Merge tag 'please-pull-fix-ia64-warnings' of git://git.kernel.org/pub/scm/linux/kerne...
[cascardo/linux.git] / drivers / net / wireless / rt2x00 / rt2800lib.c
1 /*
2         Copyright (C) 2010 Willow Garage <http://www.willowgarage.com>
3         Copyright (C) 2010 Ivo van Doorn <IvDoorn@gmail.com>
4         Copyright (C) 2009 Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
5         Copyright (C) 2009 Gertjan van Wingerde <gwingerde@gmail.com>
6
7         Based on the original rt2800pci.c and rt2800usb.c.
8           Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com>
9           Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
10           Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com>
11           Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
12           Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com>
13           Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
14           <http://rt2x00.serialmonkey.com>
15
16         This program is free software; you can redistribute it and/or modify
17         it under the terms of the GNU General Public License as published by
18         the Free Software Foundation; either version 2 of the License, or
19         (at your option) any later version.
20
21         This program is distributed in the hope that it will be useful,
22         but WITHOUT ANY WARRANTY; without even the implied warranty of
23         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24         GNU General Public License for more details.
25
26         You should have received a copy of the GNU General Public License
27         along with this program; if not, write to the
28         Free Software Foundation, Inc.,
29         59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
30  */
31
32 /*
33         Module: rt2800lib
34         Abstract: rt2800 generic device routines.
35  */
36
37 #include <linux/crc-ccitt.h>
38 #include <linux/kernel.h>
39 #include <linux/module.h>
40 #include <linux/slab.h>
41
42 #include "rt2x00.h"
43 #include "rt2800lib.h"
44 #include "rt2800.h"
45
46 /*
47  * Register access.
48  * All access to the CSR registers will go through the methods
49  * rt2800_register_read and rt2800_register_write.
50  * BBP and RF register require indirect register access,
51  * and use the CSR registers BBPCSR and RFCSR to achieve this.
52  * These indirect registers work with busy bits,
53  * and we will try maximal REGISTER_BUSY_COUNT times to access
54  * the register while taking a REGISTER_BUSY_DELAY us delay
55  * between each attampt. When the busy bit is still set at that time,
56  * the access attempt is considered to have failed,
57  * and we will print an error.
58  * The _lock versions must be used if you already hold the csr_mutex
59  */
60 #define WAIT_FOR_BBP(__dev, __reg) \
61         rt2800_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg))
62 #define WAIT_FOR_RFCSR(__dev, __reg) \
63         rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg))
64 #define WAIT_FOR_RF(__dev, __reg) \
65         rt2800_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg))
66 #define WAIT_FOR_MCU(__dev, __reg) \
67         rt2800_regbusy_read((__dev), H2M_MAILBOX_CSR, \
68                             H2M_MAILBOX_CSR_OWNER, (__reg))
69
70 static inline bool rt2800_is_305x_soc(struct rt2x00_dev *rt2x00dev)
71 {
72         /* check for rt2872 on SoC */
73         if (!rt2x00_is_soc(rt2x00dev) ||
74             !rt2x00_rt(rt2x00dev, RT2872))
75                 return false;
76
77         /* we know for sure that these rf chipsets are used on rt305x boards */
78         if (rt2x00_rf(rt2x00dev, RF3020) ||
79             rt2x00_rf(rt2x00dev, RF3021) ||
80             rt2x00_rf(rt2x00dev, RF3022))
81                 return true;
82
83         rt2x00_warn(rt2x00dev, "Unknown RF chipset on rt305x\n");
84         return false;
85 }
86
87 static void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
88                              const unsigned int word, const u8 value)
89 {
90         u32 reg;
91
92         mutex_lock(&rt2x00dev->csr_mutex);
93
94         /*
95          * Wait until the BBP becomes available, afterwards we
96          * can safely write the new data into the register.
97          */
98         if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
99                 reg = 0;
100                 rt2x00_set_field32(&reg, BBP_CSR_CFG_VALUE, value);
101                 rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
102                 rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
103                 rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 0);
104                 rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
105
106                 rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
107         }
108
109         mutex_unlock(&rt2x00dev->csr_mutex);
110 }
111
112 static void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev,
113                             const unsigned int word, u8 *value)
114 {
115         u32 reg;
116
117         mutex_lock(&rt2x00dev->csr_mutex);
118
119         /*
120          * Wait until the BBP becomes available, afterwards we
121          * can safely write the read request into the register.
122          * After the data has been written, we wait until hardware
123          * returns the correct value, if at any time the register
124          * doesn't become available in time, reg will be 0xffffffff
125          * which means we return 0xff to the caller.
126          */
127         if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
128                 reg = 0;
129                 rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
130                 rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
131                 rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 1);
132                 rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
133
134                 rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
135
136                 WAIT_FOR_BBP(rt2x00dev, &reg);
137         }
138
139         *value = rt2x00_get_field32(reg, BBP_CSR_CFG_VALUE);
140
141         mutex_unlock(&rt2x00dev->csr_mutex);
142 }
143
144 static void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev,
145                                const unsigned int word, const u8 value)
146 {
147         u32 reg;
148
149         mutex_lock(&rt2x00dev->csr_mutex);
150
151         /*
152          * Wait until the RFCSR becomes available, afterwards we
153          * can safely write the new data into the register.
154          */
155         if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
156                 reg = 0;
157                 rt2x00_set_field32(&reg, RF_CSR_CFG_DATA, value);
158                 rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
159                 rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 1);
160                 rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
161
162                 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
163         }
164
165         mutex_unlock(&rt2x00dev->csr_mutex);
166 }
167
168 static void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
169                               const unsigned int word, u8 *value)
170 {
171         u32 reg;
172
173         mutex_lock(&rt2x00dev->csr_mutex);
174
175         /*
176          * Wait until the RFCSR becomes available, afterwards we
177          * can safely write the read request into the register.
178          * After the data has been written, we wait until hardware
179          * returns the correct value, if at any time the register
180          * doesn't become available in time, reg will be 0xffffffff
181          * which means we return 0xff to the caller.
182          */
183         if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
184                 reg = 0;
185                 rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
186                 rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 0);
187                 rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
188
189                 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
190
191                 WAIT_FOR_RFCSR(rt2x00dev, &reg);
192         }
193
194         *value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA);
195
196         mutex_unlock(&rt2x00dev->csr_mutex);
197 }
198
199 static void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
200                             const unsigned int word, const u32 value)
201 {
202         u32 reg;
203
204         mutex_lock(&rt2x00dev->csr_mutex);
205
206         /*
207          * Wait until the RF becomes available, afterwards we
208          * can safely write the new data into the register.
209          */
210         if (WAIT_FOR_RF(rt2x00dev, &reg)) {
211                 reg = 0;
212                 rt2x00_set_field32(&reg, RF_CSR_CFG0_REG_VALUE_BW, value);
213                 rt2x00_set_field32(&reg, RF_CSR_CFG0_STANDBYMODE, 0);
214                 rt2x00_set_field32(&reg, RF_CSR_CFG0_SEL, 0);
215                 rt2x00_set_field32(&reg, RF_CSR_CFG0_BUSY, 1);
216
217                 rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg);
218                 rt2x00_rf_write(rt2x00dev, word, value);
219         }
220
221         mutex_unlock(&rt2x00dev->csr_mutex);
222 }
223
224 static int rt2800_enable_wlan_rt3290(struct rt2x00_dev *rt2x00dev)
225 {
226         u32 reg;
227         int i, count;
228
229         rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, &reg);
230         if (rt2x00_get_field32(reg, WLAN_EN))
231                 return 0;
232
233         rt2x00_set_field32(&reg, WLAN_GPIO_OUT_OE_BIT_ALL, 0xff);
234         rt2x00_set_field32(&reg, FRC_WL_ANT_SET, 1);
235         rt2x00_set_field32(&reg, WLAN_CLK_EN, 0);
236         rt2x00_set_field32(&reg, WLAN_EN, 1);
237         rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
238
239         udelay(REGISTER_BUSY_DELAY);
240
241         count = 0;
242         do {
243                 /*
244                  * Check PLL_LD & XTAL_RDY.
245                  */
246                 for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
247                         rt2800_register_read(rt2x00dev, CMB_CTRL, &reg);
248                         if (rt2x00_get_field32(reg, PLL_LD) &&
249                             rt2x00_get_field32(reg, XTAL_RDY))
250                                 break;
251                         udelay(REGISTER_BUSY_DELAY);
252                 }
253
254                 if (i >= REGISTER_BUSY_COUNT) {
255
256                         if (count >= 10)
257                                 return -EIO;
258
259                         rt2800_register_write(rt2x00dev, 0x58, 0x018);
260                         udelay(REGISTER_BUSY_DELAY);
261                         rt2800_register_write(rt2x00dev, 0x58, 0x418);
262                         udelay(REGISTER_BUSY_DELAY);
263                         rt2800_register_write(rt2x00dev, 0x58, 0x618);
264                         udelay(REGISTER_BUSY_DELAY);
265                         count++;
266                 } else {
267                         count = 0;
268                 }
269
270                 rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, &reg);
271                 rt2x00_set_field32(&reg, PCIE_APP0_CLK_REQ, 0);
272                 rt2x00_set_field32(&reg, WLAN_CLK_EN, 1);
273                 rt2x00_set_field32(&reg, WLAN_RESET, 1);
274                 rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
275                 udelay(10);
276                 rt2x00_set_field32(&reg, WLAN_RESET, 0);
277                 rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
278                 udelay(10);
279                 rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, 0x7fffffff);
280         } while (count != 0);
281
282         return 0;
283 }
284
285 void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
286                         const u8 command, const u8 token,
287                         const u8 arg0, const u8 arg1)
288 {
289         u32 reg;
290
291         /*
292          * SOC devices don't support MCU requests.
293          */
294         if (rt2x00_is_soc(rt2x00dev))
295                 return;
296
297         mutex_lock(&rt2x00dev->csr_mutex);
298
299         /*
300          * Wait until the MCU becomes available, afterwards we
301          * can safely write the new data into the register.
302          */
303         if (WAIT_FOR_MCU(rt2x00dev, &reg)) {
304                 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_OWNER, 1);
305                 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_CMD_TOKEN, token);
306                 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG0, arg0);
307                 rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG1, arg1);
308                 rt2800_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg);
309
310                 reg = 0;
311                 rt2x00_set_field32(&reg, HOST_CMD_CSR_HOST_COMMAND, command);
312                 rt2800_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg);
313         }
314
315         mutex_unlock(&rt2x00dev->csr_mutex);
316 }
317 EXPORT_SYMBOL_GPL(rt2800_mcu_request);
318
319 int rt2800_wait_csr_ready(struct rt2x00_dev *rt2x00dev)
320 {
321         unsigned int i = 0;
322         u32 reg;
323
324         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
325                 rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
326                 if (reg && reg != ~0)
327                         return 0;
328                 msleep(1);
329         }
330
331         rt2x00_err(rt2x00dev, "Unstable hardware\n");
332         return -EBUSY;
333 }
334 EXPORT_SYMBOL_GPL(rt2800_wait_csr_ready);
335
336 int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
337 {
338         unsigned int i;
339         u32 reg;
340
341         /*
342          * Some devices are really slow to respond here. Wait a whole second
343          * before timing out.
344          */
345         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
346                 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
347                 if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
348                     !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
349                         return 0;
350
351                 msleep(10);
352         }
353
354         rt2x00_err(rt2x00dev, "WPDMA TX/RX busy [0x%08x]\n", reg);
355         return -EACCES;
356 }
357 EXPORT_SYMBOL_GPL(rt2800_wait_wpdma_ready);
358
359 void rt2800_disable_wpdma(struct rt2x00_dev *rt2x00dev)
360 {
361         u32 reg;
362
363         rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
364         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
365         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
366         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
367         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
368         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
369         rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
370 }
371 EXPORT_SYMBOL_GPL(rt2800_disable_wpdma);
372
373 static bool rt2800_check_firmware_crc(const u8 *data, const size_t len)
374 {
375         u16 fw_crc;
376         u16 crc;
377
378         /*
379          * The last 2 bytes in the firmware array are the crc checksum itself,
380          * this means that we should never pass those 2 bytes to the crc
381          * algorithm.
382          */
383         fw_crc = (data[len - 2] << 8 | data[len - 1]);
384
385         /*
386          * Use the crc ccitt algorithm.
387          * This will return the same value as the legacy driver which
388          * used bit ordering reversion on the both the firmware bytes
389          * before input input as well as on the final output.
390          * Obviously using crc ccitt directly is much more efficient.
391          */
392         crc = crc_ccitt(~0, data, len - 2);
393
394         /*
395          * There is a small difference between the crc-itu-t + bitrev and
396          * the crc-ccitt crc calculation. In the latter method the 2 bytes
397          * will be swapped, use swab16 to convert the crc to the correct
398          * value.
399          */
400         crc = swab16(crc);
401
402         return fw_crc == crc;
403 }
404
405 int rt2800_check_firmware(struct rt2x00_dev *rt2x00dev,
406                           const u8 *data, const size_t len)
407 {
408         size_t offset = 0;
409         size_t fw_len;
410         bool multiple;
411
412         /*
413          * PCI(e) & SOC devices require firmware with a length
414          * of 8kb. USB devices require firmware files with a length
415          * of 4kb. Certain USB chipsets however require different firmware,
416          * which Ralink only provides attached to the original firmware
417          * file. Thus for USB devices, firmware files have a length
418          * which is a multiple of 4kb. The firmware for rt3290 chip also
419          * have a length which is a multiple of 4kb.
420          */
421         if (rt2x00_is_usb(rt2x00dev) || rt2x00_rt(rt2x00dev, RT3290))
422                 fw_len = 4096;
423         else
424                 fw_len = 8192;
425
426         multiple = true;
427         /*
428          * Validate the firmware length
429          */
430         if (len != fw_len && (!multiple || (len % fw_len) != 0))
431                 return FW_BAD_LENGTH;
432
433         /*
434          * Check if the chipset requires one of the upper parts
435          * of the firmware.
436          */
437         if (rt2x00_is_usb(rt2x00dev) &&
438             !rt2x00_rt(rt2x00dev, RT2860) &&
439             !rt2x00_rt(rt2x00dev, RT2872) &&
440             !rt2x00_rt(rt2x00dev, RT3070) &&
441             ((len / fw_len) == 1))
442                 return FW_BAD_VERSION;
443
444         /*
445          * 8kb firmware files must be checked as if it were
446          * 2 separate firmware files.
447          */
448         while (offset < len) {
449                 if (!rt2800_check_firmware_crc(data + offset, fw_len))
450                         return FW_BAD_CRC;
451
452                 offset += fw_len;
453         }
454
455         return FW_OK;
456 }
457 EXPORT_SYMBOL_GPL(rt2800_check_firmware);
458
459 int rt2800_load_firmware(struct rt2x00_dev *rt2x00dev,
460                          const u8 *data, const size_t len)
461 {
462         unsigned int i;
463         u32 reg;
464         int retval;
465
466         if (rt2x00_rt(rt2x00dev, RT3290)) {
467                 retval = rt2800_enable_wlan_rt3290(rt2x00dev);
468                 if (retval)
469                         return -EBUSY;
470         }
471
472         /*
473          * If driver doesn't wake up firmware here,
474          * rt2800_load_firmware will hang forever when interface is up again.
475          */
476         rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000);
477
478         /*
479          * Wait for stable hardware.
480          */
481         if (rt2800_wait_csr_ready(rt2x00dev))
482                 return -EBUSY;
483
484         if (rt2x00_is_pci(rt2x00dev)) {
485                 if (rt2x00_rt(rt2x00dev, RT3290) ||
486                     rt2x00_rt(rt2x00dev, RT3572) ||
487                     rt2x00_rt(rt2x00dev, RT5390) ||
488                     rt2x00_rt(rt2x00dev, RT5392)) {
489                         rt2800_register_read(rt2x00dev, AUX_CTRL, &reg);
490                         rt2x00_set_field32(&reg, AUX_CTRL_FORCE_PCIE_CLK, 1);
491                         rt2x00_set_field32(&reg, AUX_CTRL_WAKE_PCIE_EN, 1);
492                         rt2800_register_write(rt2x00dev, AUX_CTRL, reg);
493                 }
494                 rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000002);
495         }
496
497         rt2800_disable_wpdma(rt2x00dev);
498
499         /*
500          * Write firmware to the device.
501          */
502         rt2800_drv_write_firmware(rt2x00dev, data, len);
503
504         /*
505          * Wait for device to stabilize.
506          */
507         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
508                 rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
509                 if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY))
510                         break;
511                 msleep(1);
512         }
513
514         if (i == REGISTER_BUSY_COUNT) {
515                 rt2x00_err(rt2x00dev, "PBF system register not ready\n");
516                 return -EBUSY;
517         }
518
519         /*
520          * Disable DMA, will be reenabled later when enabling
521          * the radio.
522          */
523         rt2800_disable_wpdma(rt2x00dev);
524
525         /*
526          * Initialize firmware.
527          */
528         rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
529         rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
530         if (rt2x00_is_usb(rt2x00dev)) {
531                 rt2800_register_write(rt2x00dev, H2M_INT_SRC, 0);
532                 rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
533         }
534         msleep(1);
535
536         return 0;
537 }
538 EXPORT_SYMBOL_GPL(rt2800_load_firmware);
539
540 void rt2800_write_tx_data(struct queue_entry *entry,
541                           struct txentry_desc *txdesc)
542 {
543         __le32 *txwi = rt2800_drv_get_txwi(entry);
544         u32 word;
545         int i;
546
547         /*
548          * Initialize TX Info descriptor
549          */
550         rt2x00_desc_read(txwi, 0, &word);
551         rt2x00_set_field32(&word, TXWI_W0_FRAG,
552                            test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
553         rt2x00_set_field32(&word, TXWI_W0_MIMO_PS,
554                            test_bit(ENTRY_TXD_HT_MIMO_PS, &txdesc->flags));
555         rt2x00_set_field32(&word, TXWI_W0_CF_ACK, 0);
556         rt2x00_set_field32(&word, TXWI_W0_TS,
557                            test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
558         rt2x00_set_field32(&word, TXWI_W0_AMPDU,
559                            test_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags));
560         rt2x00_set_field32(&word, TXWI_W0_MPDU_DENSITY,
561                            txdesc->u.ht.mpdu_density);
562         rt2x00_set_field32(&word, TXWI_W0_TX_OP, txdesc->u.ht.txop);
563         rt2x00_set_field32(&word, TXWI_W0_MCS, txdesc->u.ht.mcs);
564         rt2x00_set_field32(&word, TXWI_W0_BW,
565                            test_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags));
566         rt2x00_set_field32(&word, TXWI_W0_SHORT_GI,
567                            test_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags));
568         rt2x00_set_field32(&word, TXWI_W0_STBC, txdesc->u.ht.stbc);
569         rt2x00_set_field32(&word, TXWI_W0_PHYMODE, txdesc->rate_mode);
570         rt2x00_desc_write(txwi, 0, word);
571
572         rt2x00_desc_read(txwi, 1, &word);
573         rt2x00_set_field32(&word, TXWI_W1_ACK,
574                            test_bit(ENTRY_TXD_ACK, &txdesc->flags));
575         rt2x00_set_field32(&word, TXWI_W1_NSEQ,
576                            test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags));
577         rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->u.ht.ba_size);
578         rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID,
579                            test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ?
580                            txdesc->key_idx : txdesc->u.ht.wcid);
581         rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT,
582                            txdesc->length);
583         rt2x00_set_field32(&word, TXWI_W1_PACKETID_QUEUE, entry->queue->qid);
584         rt2x00_set_field32(&word, TXWI_W1_PACKETID_ENTRY, (entry->entry_idx % 3) + 1);
585         rt2x00_desc_write(txwi, 1, word);
586
587         /*
588          * Always write 0 to IV/EIV fields (word 2 and 3), hardware will insert
589          * the IV from the IVEIV register when TXD_W3_WIV is set to 0.
590          * When TXD_W3_WIV is set to 1 it will use the IV data
591          * from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which
592          * crypto entry in the registers should be used to encrypt the frame.
593          *
594          * Nulify all remaining words as well, we don't know how to program them.
595          */
596         for (i = 2; i < entry->queue->winfo_size / sizeof(__le32); i++)
597                 _rt2x00_desc_write(txwi, i, 0);
598 }
599 EXPORT_SYMBOL_GPL(rt2800_write_tx_data);
600
601 static int rt2800_agc_to_rssi(struct rt2x00_dev *rt2x00dev, u32 rxwi_w2)
602 {
603         s8 rssi0 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI0);
604         s8 rssi1 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI1);
605         s8 rssi2 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI2);
606         u16 eeprom;
607         u8 offset0;
608         u8 offset1;
609         u8 offset2;
610
611         if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
612                 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &eeprom);
613                 offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET0);
614                 offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET1);
615                 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
616                 offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_OFFSET2);
617         } else {
618                 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &eeprom);
619                 offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET0);
620                 offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET1);
621                 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
622                 offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_OFFSET2);
623         }
624
625         /*
626          * Convert the value from the descriptor into the RSSI value
627          * If the value in the descriptor is 0, it is considered invalid
628          * and the default (extremely low) rssi value is assumed
629          */
630         rssi0 = (rssi0) ? (-12 - offset0 - rt2x00dev->lna_gain - rssi0) : -128;
631         rssi1 = (rssi1) ? (-12 - offset1 - rt2x00dev->lna_gain - rssi1) : -128;
632         rssi2 = (rssi2) ? (-12 - offset2 - rt2x00dev->lna_gain - rssi2) : -128;
633
634         /*
635          * mac80211 only accepts a single RSSI value. Calculating the
636          * average doesn't deliver a fair answer either since -60:-60 would
637          * be considered equally good as -50:-70 while the second is the one
638          * which gives less energy...
639          */
640         rssi0 = max(rssi0, rssi1);
641         return (int)max(rssi0, rssi2);
642 }
643
644 void rt2800_process_rxwi(struct queue_entry *entry,
645                          struct rxdone_entry_desc *rxdesc)
646 {
647         __le32 *rxwi = (__le32 *) entry->skb->data;
648         u32 word;
649
650         rt2x00_desc_read(rxwi, 0, &word);
651
652         rxdesc->cipher = rt2x00_get_field32(word, RXWI_W0_UDF);
653         rxdesc->size = rt2x00_get_field32(word, RXWI_W0_MPDU_TOTAL_BYTE_COUNT);
654
655         rt2x00_desc_read(rxwi, 1, &word);
656
657         if (rt2x00_get_field32(word, RXWI_W1_SHORT_GI))
658                 rxdesc->flags |= RX_FLAG_SHORT_GI;
659
660         if (rt2x00_get_field32(word, RXWI_W1_BW))
661                 rxdesc->flags |= RX_FLAG_40MHZ;
662
663         /*
664          * Detect RX rate, always use MCS as signal type.
665          */
666         rxdesc->dev_flags |= RXDONE_SIGNAL_MCS;
667         rxdesc->signal = rt2x00_get_field32(word, RXWI_W1_MCS);
668         rxdesc->rate_mode = rt2x00_get_field32(word, RXWI_W1_PHYMODE);
669
670         /*
671          * Mask of 0x8 bit to remove the short preamble flag.
672          */
673         if (rxdesc->rate_mode == RATE_MODE_CCK)
674                 rxdesc->signal &= ~0x8;
675
676         rt2x00_desc_read(rxwi, 2, &word);
677
678         /*
679          * Convert descriptor AGC value to RSSI value.
680          */
681         rxdesc->rssi = rt2800_agc_to_rssi(entry->queue->rt2x00dev, word);
682         /*
683          * Remove RXWI descriptor from start of the buffer.
684          */
685         skb_pull(entry->skb, entry->queue->winfo_size);
686 }
687 EXPORT_SYMBOL_GPL(rt2800_process_rxwi);
688
689 void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi)
690 {
691         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
692         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
693         struct txdone_entry_desc txdesc;
694         u32 word;
695         u16 mcs, real_mcs;
696         int aggr, ampdu;
697
698         /*
699          * Obtain the status about this packet.
700          */
701         txdesc.flags = 0;
702         rt2x00_desc_read(txwi, 0, &word);
703
704         mcs = rt2x00_get_field32(word, TXWI_W0_MCS);
705         ampdu = rt2x00_get_field32(word, TXWI_W0_AMPDU);
706
707         real_mcs = rt2x00_get_field32(status, TX_STA_FIFO_MCS);
708         aggr = rt2x00_get_field32(status, TX_STA_FIFO_TX_AGGRE);
709
710         /*
711          * If a frame was meant to be sent as a single non-aggregated MPDU
712          * but ended up in an aggregate the used tx rate doesn't correlate
713          * with the one specified in the TXWI as the whole aggregate is sent
714          * with the same rate.
715          *
716          * For example: two frames are sent to rt2x00, the first one sets
717          * AMPDU=1 and requests MCS7 whereas the second frame sets AMDPU=0
718          * and requests MCS15. If the hw aggregates both frames into one
719          * AMDPU the tx status for both frames will contain MCS7 although
720          * the frame was sent successfully.
721          *
722          * Hence, replace the requested rate with the real tx rate to not
723          * confuse the rate control algortihm by providing clearly wrong
724          * data.
725          */
726         if (unlikely(aggr == 1 && ampdu == 0 && real_mcs != mcs)) {
727                 skbdesc->tx_rate_idx = real_mcs;
728                 mcs = real_mcs;
729         }
730
731         if (aggr == 1 || ampdu == 1)
732                 __set_bit(TXDONE_AMPDU, &txdesc.flags);
733
734         /*
735          * Ralink has a retry mechanism using a global fallback
736          * table. We setup this fallback table to try the immediate
737          * lower rate for all rates. In the TX_STA_FIFO, the MCS field
738          * always contains the MCS used for the last transmission, be
739          * it successful or not.
740          */
741         if (rt2x00_get_field32(status, TX_STA_FIFO_TX_SUCCESS)) {
742                 /*
743                  * Transmission succeeded. The number of retries is
744                  * mcs - real_mcs
745                  */
746                 __set_bit(TXDONE_SUCCESS, &txdesc.flags);
747                 txdesc.retry = ((mcs > real_mcs) ? mcs - real_mcs : 0);
748         } else {
749                 /*
750                  * Transmission failed. The number of retries is
751                  * always 7 in this case (for a total number of 8
752                  * frames sent).
753                  */
754                 __set_bit(TXDONE_FAILURE, &txdesc.flags);
755                 txdesc.retry = rt2x00dev->long_retry;
756         }
757
758         /*
759          * the frame was retried at least once
760          * -> hw used fallback rates
761          */
762         if (txdesc.retry)
763                 __set_bit(TXDONE_FALLBACK, &txdesc.flags);
764
765         rt2x00lib_txdone(entry, &txdesc);
766 }
767 EXPORT_SYMBOL_GPL(rt2800_txdone_entry);
768
769 void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc)
770 {
771         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
772         struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
773         unsigned int beacon_base;
774         unsigned int padding_len;
775         u32 orig_reg, reg;
776         const int txwi_desc_size = entry->queue->winfo_size;
777
778         /*
779          * Disable beaconing while we are reloading the beacon data,
780          * otherwise we might be sending out invalid data.
781          */
782         rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
783         orig_reg = reg;
784         rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
785         rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
786
787         /*
788          * Add space for the TXWI in front of the skb.
789          */
790         memset(skb_push(entry->skb, txwi_desc_size), 0, txwi_desc_size);
791
792         /*
793          * Register descriptor details in skb frame descriptor.
794          */
795         skbdesc->flags |= SKBDESC_DESC_IN_SKB;
796         skbdesc->desc = entry->skb->data;
797         skbdesc->desc_len = txwi_desc_size;
798
799         /*
800          * Add the TXWI for the beacon to the skb.
801          */
802         rt2800_write_tx_data(entry, txdesc);
803
804         /*
805          * Dump beacon to userspace through debugfs.
806          */
807         rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb);
808
809         /*
810          * Write entire beacon with TXWI and padding to register.
811          */
812         padding_len = roundup(entry->skb->len, 4) - entry->skb->len;
813         if (padding_len && skb_pad(entry->skb, padding_len)) {
814                 rt2x00_err(rt2x00dev, "Failure padding beacon, aborting\n");
815                 /* skb freed by skb_pad() on failure */
816                 entry->skb = NULL;
817                 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg);
818                 return;
819         }
820
821         beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
822         rt2800_register_multiwrite(rt2x00dev, beacon_base, entry->skb->data,
823                                    entry->skb->len + padding_len);
824
825         /*
826          * Enable beaconing again.
827          */
828         rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
829         rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
830
831         /*
832          * Clean up beacon skb.
833          */
834         dev_kfree_skb_any(entry->skb);
835         entry->skb = NULL;
836 }
837 EXPORT_SYMBOL_GPL(rt2800_write_beacon);
838
839 static inline void rt2800_clear_beacon_register(struct rt2x00_dev *rt2x00dev,
840                                                 unsigned int beacon_base)
841 {
842         int i;
843         const int txwi_desc_size = rt2x00dev->bcn->winfo_size;
844
845         /*
846          * For the Beacon base registers we only need to clear
847          * the whole TXWI which (when set to 0) will invalidate
848          * the entire beacon.
849          */
850         for (i = 0; i < txwi_desc_size; i += sizeof(__le32))
851                 rt2800_register_write(rt2x00dev, beacon_base + i, 0);
852 }
853
854 void rt2800_clear_beacon(struct queue_entry *entry)
855 {
856         struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
857         u32 reg;
858
859         /*
860          * Disable beaconing while we are reloading the beacon data,
861          * otherwise we might be sending out invalid data.
862          */
863         rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
864         rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
865         rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
866
867         /*
868          * Clear beacon.
869          */
870         rt2800_clear_beacon_register(rt2x00dev,
871                                      HW_BEACON_OFFSET(entry->entry_idx));
872
873         /*
874          * Enabled beaconing again.
875          */
876         rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
877         rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
878 }
879 EXPORT_SYMBOL_GPL(rt2800_clear_beacon);
880
881 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
882 const struct rt2x00debug rt2800_rt2x00debug = {
883         .owner  = THIS_MODULE,
884         .csr    = {
885                 .read           = rt2800_register_read,
886                 .write          = rt2800_register_write,
887                 .flags          = RT2X00DEBUGFS_OFFSET,
888                 .word_base      = CSR_REG_BASE,
889                 .word_size      = sizeof(u32),
890                 .word_count     = CSR_REG_SIZE / sizeof(u32),
891         },
892         .eeprom = {
893                 .read           = rt2x00_eeprom_read,
894                 .write          = rt2x00_eeprom_write,
895                 .word_base      = EEPROM_BASE,
896                 .word_size      = sizeof(u16),
897                 .word_count     = EEPROM_SIZE / sizeof(u16),
898         },
899         .bbp    = {
900                 .read           = rt2800_bbp_read,
901                 .write          = rt2800_bbp_write,
902                 .word_base      = BBP_BASE,
903                 .word_size      = sizeof(u8),
904                 .word_count     = BBP_SIZE / sizeof(u8),
905         },
906         .rf     = {
907                 .read           = rt2x00_rf_read,
908                 .write          = rt2800_rf_write,
909                 .word_base      = RF_BASE,
910                 .word_size      = sizeof(u32),
911                 .word_count     = RF_SIZE / sizeof(u32),
912         },
913         .rfcsr  = {
914                 .read           = rt2800_rfcsr_read,
915                 .write          = rt2800_rfcsr_write,
916                 .word_base      = RFCSR_BASE,
917                 .word_size      = sizeof(u8),
918                 .word_count     = RFCSR_SIZE / sizeof(u8),
919         },
920 };
921 EXPORT_SYMBOL_GPL(rt2800_rt2x00debug);
922 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
923
924 int rt2800_rfkill_poll(struct rt2x00_dev *rt2x00dev)
925 {
926         u32 reg;
927
928         if (rt2x00_rt(rt2x00dev, RT3290)) {
929                 rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, &reg);
930                 return rt2x00_get_field32(reg, WLAN_GPIO_IN_BIT0);
931         } else {
932                 rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
933                 return rt2x00_get_field32(reg, GPIO_CTRL_VAL2);
934         }
935 }
936 EXPORT_SYMBOL_GPL(rt2800_rfkill_poll);
937
938 #ifdef CONFIG_RT2X00_LIB_LEDS
939 static void rt2800_brightness_set(struct led_classdev *led_cdev,
940                                   enum led_brightness brightness)
941 {
942         struct rt2x00_led *led =
943             container_of(led_cdev, struct rt2x00_led, led_dev);
944         unsigned int enabled = brightness != LED_OFF;
945         unsigned int bg_mode =
946             (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
947         unsigned int polarity =
948                 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
949                                    EEPROM_FREQ_LED_POLARITY);
950         unsigned int ledmode =
951                 rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
952                                    EEPROM_FREQ_LED_MODE);
953         u32 reg;
954
955         /* Check for SoC (SOC devices don't support MCU requests) */
956         if (rt2x00_is_soc(led->rt2x00dev)) {
957                 rt2800_register_read(led->rt2x00dev, LED_CFG, &reg);
958
959                 /* Set LED Polarity */
960                 rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, polarity);
961
962                 /* Set LED Mode */
963                 if (led->type == LED_TYPE_RADIO) {
964                         rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE,
965                                            enabled ? 3 : 0);
966                 } else if (led->type == LED_TYPE_ASSOC) {
967                         rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE,
968                                            enabled ? 3 : 0);
969                 } else if (led->type == LED_TYPE_QUALITY) {
970                         rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE,
971                                            enabled ? 3 : 0);
972                 }
973
974                 rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
975
976         } else {
977                 if (led->type == LED_TYPE_RADIO) {
978                         rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
979                                               enabled ? 0x20 : 0);
980                 } else if (led->type == LED_TYPE_ASSOC) {
981                         rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
982                                               enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
983                 } else if (led->type == LED_TYPE_QUALITY) {
984                         /*
985                          * The brightness is divided into 6 levels (0 - 5),
986                          * The specs tell us the following levels:
987                          *      0, 1 ,3, 7, 15, 31
988                          * to determine the level in a simple way we can simply
989                          * work with bitshifting:
990                          *      (1 << level) - 1
991                          */
992                         rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
993                                               (1 << brightness / (LED_FULL / 6)) - 1,
994                                               polarity);
995                 }
996         }
997 }
998
999 static void rt2800_init_led(struct rt2x00_dev *rt2x00dev,
1000                      struct rt2x00_led *led, enum led_type type)
1001 {
1002         led->rt2x00dev = rt2x00dev;
1003         led->type = type;
1004         led->led_dev.brightness_set = rt2800_brightness_set;
1005         led->flags = LED_INITIALIZED;
1006 }
1007 #endif /* CONFIG_RT2X00_LIB_LEDS */
1008
1009 /*
1010  * Configuration handlers.
1011  */
1012 static void rt2800_config_wcid(struct rt2x00_dev *rt2x00dev,
1013                                const u8 *address,
1014                                int wcid)
1015 {
1016         struct mac_wcid_entry wcid_entry;
1017         u32 offset;
1018
1019         offset = MAC_WCID_ENTRY(wcid);
1020
1021         memset(&wcid_entry, 0xff, sizeof(wcid_entry));
1022         if (address)
1023                 memcpy(wcid_entry.mac, address, ETH_ALEN);
1024
1025         rt2800_register_multiwrite(rt2x00dev, offset,
1026                                       &wcid_entry, sizeof(wcid_entry));
1027 }
1028
1029 static void rt2800_delete_wcid_attr(struct rt2x00_dev *rt2x00dev, int wcid)
1030 {
1031         u32 offset;
1032         offset = MAC_WCID_ATTR_ENTRY(wcid);
1033         rt2800_register_write(rt2x00dev, offset, 0);
1034 }
1035
1036 static void rt2800_config_wcid_attr_bssidx(struct rt2x00_dev *rt2x00dev,
1037                                            int wcid, u32 bssidx)
1038 {
1039         u32 offset = MAC_WCID_ATTR_ENTRY(wcid);
1040         u32 reg;
1041
1042         /*
1043          * The BSS Idx numbers is split in a main value of 3 bits,
1044          * and a extended field for adding one additional bit to the value.
1045          */
1046         rt2800_register_read(rt2x00dev, offset, &reg);
1047         rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX, (bssidx & 0x7));
1048         rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX_EXT,
1049                            (bssidx & 0x8) >> 3);
1050         rt2800_register_write(rt2x00dev, offset, reg);
1051 }
1052
1053 static void rt2800_config_wcid_attr_cipher(struct rt2x00_dev *rt2x00dev,
1054                                            struct rt2x00lib_crypto *crypto,
1055                                            struct ieee80211_key_conf *key)
1056 {
1057         struct mac_iveiv_entry iveiv_entry;
1058         u32 offset;
1059         u32 reg;
1060
1061         offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx);
1062
1063         if (crypto->cmd == SET_KEY) {
1064                 rt2800_register_read(rt2x00dev, offset, &reg);
1065                 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB,
1066                                    !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
1067                 /*
1068                  * Both the cipher as the BSS Idx numbers are split in a main
1069                  * value of 3 bits, and a extended field for adding one additional
1070                  * bit to the value.
1071                  */
1072                 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER,
1073                                    (crypto->cipher & 0x7));
1074                 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER_EXT,
1075                                    (crypto->cipher & 0x8) >> 3);
1076                 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
1077                 rt2800_register_write(rt2x00dev, offset, reg);
1078         } else {
1079                 /* Delete the cipher without touching the bssidx */
1080                 rt2800_register_read(rt2x00dev, offset, &reg);
1081                 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB, 0);
1082                 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER, 0);
1083                 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER_EXT, 0);
1084                 rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, 0);
1085                 rt2800_register_write(rt2x00dev, offset, reg);
1086         }
1087
1088         offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
1089
1090         memset(&iveiv_entry, 0, sizeof(iveiv_entry));
1091         if ((crypto->cipher == CIPHER_TKIP) ||
1092             (crypto->cipher == CIPHER_TKIP_NO_MIC) ||
1093             (crypto->cipher == CIPHER_AES))
1094                 iveiv_entry.iv[3] |= 0x20;
1095         iveiv_entry.iv[3] |= key->keyidx << 6;
1096         rt2800_register_multiwrite(rt2x00dev, offset,
1097                                       &iveiv_entry, sizeof(iveiv_entry));
1098 }
1099
1100 int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev,
1101                              struct rt2x00lib_crypto *crypto,
1102                              struct ieee80211_key_conf *key)
1103 {
1104         struct hw_key_entry key_entry;
1105         struct rt2x00_field32 field;
1106         u32 offset;
1107         u32 reg;
1108
1109         if (crypto->cmd == SET_KEY) {
1110                 key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx;
1111
1112                 memcpy(key_entry.key, crypto->key,
1113                        sizeof(key_entry.key));
1114                 memcpy(key_entry.tx_mic, crypto->tx_mic,
1115                        sizeof(key_entry.tx_mic));
1116                 memcpy(key_entry.rx_mic, crypto->rx_mic,
1117                        sizeof(key_entry.rx_mic));
1118
1119                 offset = SHARED_KEY_ENTRY(key->hw_key_idx);
1120                 rt2800_register_multiwrite(rt2x00dev, offset,
1121                                               &key_entry, sizeof(key_entry));
1122         }
1123
1124         /*
1125          * The cipher types are stored over multiple registers
1126          * starting with SHARED_KEY_MODE_BASE each word will have
1127          * 32 bits and contains the cipher types for 2 bssidx each.
1128          * Using the correct defines correctly will cause overhead,
1129          * so just calculate the correct offset.
1130          */
1131         field.bit_offset = 4 * (key->hw_key_idx % 8);
1132         field.bit_mask = 0x7 << field.bit_offset;
1133
1134         offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
1135
1136         rt2800_register_read(rt2x00dev, offset, &reg);
1137         rt2x00_set_field32(&reg, field,
1138                            (crypto->cmd == SET_KEY) * crypto->cipher);
1139         rt2800_register_write(rt2x00dev, offset, reg);
1140
1141         /*
1142          * Update WCID information
1143          */
1144         rt2800_config_wcid(rt2x00dev, crypto->address, key->hw_key_idx);
1145         rt2800_config_wcid_attr_bssidx(rt2x00dev, key->hw_key_idx,
1146                                        crypto->bssidx);
1147         rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key);
1148
1149         return 0;
1150 }
1151 EXPORT_SYMBOL_GPL(rt2800_config_shared_key);
1152
1153 static inline int rt2800_find_wcid(struct rt2x00_dev *rt2x00dev)
1154 {
1155         struct mac_wcid_entry wcid_entry;
1156         int idx;
1157         u32 offset;
1158
1159         /*
1160          * Search for the first free WCID entry and return the corresponding
1161          * index.
1162          *
1163          * Make sure the WCID starts _after_ the last possible shared key
1164          * entry (>32).
1165          *
1166          * Since parts of the pairwise key table might be shared with
1167          * the beacon frame buffers 6 & 7 we should only write into the
1168          * first 222 entries.
1169          */
1170         for (idx = 33; idx <= 222; idx++) {
1171                 offset = MAC_WCID_ENTRY(idx);
1172                 rt2800_register_multiread(rt2x00dev, offset, &wcid_entry,
1173                                           sizeof(wcid_entry));
1174                 if (is_broadcast_ether_addr(wcid_entry.mac))
1175                         return idx;
1176         }
1177
1178         /*
1179          * Use -1 to indicate that we don't have any more space in the WCID
1180          * table.
1181          */
1182         return -1;
1183 }
1184
1185 int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
1186                                struct rt2x00lib_crypto *crypto,
1187                                struct ieee80211_key_conf *key)
1188 {
1189         struct hw_key_entry key_entry;
1190         u32 offset;
1191
1192         if (crypto->cmd == SET_KEY) {
1193                 /*
1194                  * Allow key configuration only for STAs that are
1195                  * known by the hw.
1196                  */
1197                 if (crypto->wcid < 0)
1198                         return -ENOSPC;
1199                 key->hw_key_idx = crypto->wcid;
1200
1201                 memcpy(key_entry.key, crypto->key,
1202                        sizeof(key_entry.key));
1203                 memcpy(key_entry.tx_mic, crypto->tx_mic,
1204                        sizeof(key_entry.tx_mic));
1205                 memcpy(key_entry.rx_mic, crypto->rx_mic,
1206                        sizeof(key_entry.rx_mic));
1207
1208                 offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
1209                 rt2800_register_multiwrite(rt2x00dev, offset,
1210                                               &key_entry, sizeof(key_entry));
1211         }
1212
1213         /*
1214          * Update WCID information
1215          */
1216         rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key);
1217
1218         return 0;
1219 }
1220 EXPORT_SYMBOL_GPL(rt2800_config_pairwise_key);
1221
1222 int rt2800_sta_add(struct rt2x00_dev *rt2x00dev, struct ieee80211_vif *vif,
1223                    struct ieee80211_sta *sta)
1224 {
1225         int wcid;
1226         struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta);
1227
1228         /*
1229          * Find next free WCID.
1230          */
1231         wcid = rt2800_find_wcid(rt2x00dev);
1232
1233         /*
1234          * Store selected wcid even if it is invalid so that we can
1235          * later decide if the STA is uploaded into the hw.
1236          */
1237         sta_priv->wcid = wcid;
1238
1239         /*
1240          * No space left in the device, however, we can still communicate
1241          * with the STA -> No error.
1242          */
1243         if (wcid < 0)
1244                 return 0;
1245
1246         /*
1247          * Clean up WCID attributes and write STA address to the device.
1248          */
1249         rt2800_delete_wcid_attr(rt2x00dev, wcid);
1250         rt2800_config_wcid(rt2x00dev, sta->addr, wcid);
1251         rt2800_config_wcid_attr_bssidx(rt2x00dev, wcid,
1252                                        rt2x00lib_get_bssidx(rt2x00dev, vif));
1253         return 0;
1254 }
1255 EXPORT_SYMBOL_GPL(rt2800_sta_add);
1256
1257 int rt2800_sta_remove(struct rt2x00_dev *rt2x00dev, int wcid)
1258 {
1259         /*
1260          * Remove WCID entry, no need to clean the attributes as they will
1261          * get renewed when the WCID is reused.
1262          */
1263         rt2800_config_wcid(rt2x00dev, NULL, wcid);
1264
1265         return 0;
1266 }
1267 EXPORT_SYMBOL_GPL(rt2800_sta_remove);
1268
1269 void rt2800_config_filter(struct rt2x00_dev *rt2x00dev,
1270                           const unsigned int filter_flags)
1271 {
1272         u32 reg;
1273
1274         /*
1275          * Start configuration steps.
1276          * Note that the version error will always be dropped
1277          * and broadcast frames will always be accepted since
1278          * there is no filter for it at this time.
1279          */
1280         rt2800_register_read(rt2x00dev, RX_FILTER_CFG, &reg);
1281         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CRC_ERROR,
1282                            !(filter_flags & FIF_FCSFAIL));
1283         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PHY_ERROR,
1284                            !(filter_flags & FIF_PLCPFAIL));
1285         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_TO_ME,
1286                            !(filter_flags & FIF_PROMISC_IN_BSS));
1287         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0);
1288         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_VER_ERROR, 1);
1289         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_MULTICAST,
1290                            !(filter_flags & FIF_ALLMULTI));
1291         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BROADCAST, 0);
1292         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_DUPLICATE, 1);
1293         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END_ACK,
1294                            !(filter_flags & FIF_CONTROL));
1295         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END,
1296                            !(filter_flags & FIF_CONTROL));
1297         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_ACK,
1298                            !(filter_flags & FIF_CONTROL));
1299         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CTS,
1300                            !(filter_flags & FIF_CONTROL));
1301         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_RTS,
1302                            !(filter_flags & FIF_CONTROL));
1303         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PSPOLL,
1304                            !(filter_flags & FIF_PSPOLL));
1305         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BA, 0);
1306         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BAR,
1307                            !(filter_flags & FIF_CONTROL));
1308         rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CNTL,
1309                            !(filter_flags & FIF_CONTROL));
1310         rt2800_register_write(rt2x00dev, RX_FILTER_CFG, reg);
1311 }
1312 EXPORT_SYMBOL_GPL(rt2800_config_filter);
1313
1314 void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf,
1315                         struct rt2x00intf_conf *conf, const unsigned int flags)
1316 {
1317         u32 reg;
1318         bool update_bssid = false;
1319
1320         if (flags & CONFIG_UPDATE_TYPE) {
1321                 /*
1322                  * Enable synchronisation.
1323                  */
1324                 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
1325                 rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, conf->sync);
1326                 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1327
1328                 if (conf->sync == TSF_SYNC_AP_NONE) {
1329                         /*
1330                          * Tune beacon queue transmit parameters for AP mode
1331                          */
1332                         rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG, &reg);
1333                         rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_CWMIN, 0);
1334                         rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_AIFSN, 1);
1335                         rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
1336                         rt2x00_set_field32(&reg, TBTT_SYNC_CFG_TBTT_ADJUST, 0);
1337                         rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
1338                 } else {
1339                         rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG, &reg);
1340                         rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_CWMIN, 4);
1341                         rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_AIFSN, 2);
1342                         rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
1343                         rt2x00_set_field32(&reg, TBTT_SYNC_CFG_TBTT_ADJUST, 16);
1344                         rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
1345                 }
1346         }
1347
1348         if (flags & CONFIG_UPDATE_MAC) {
1349                 if (flags & CONFIG_UPDATE_TYPE &&
1350                     conf->sync == TSF_SYNC_AP_NONE) {
1351                         /*
1352                          * The BSSID register has to be set to our own mac
1353                          * address in AP mode.
1354                          */
1355                         memcpy(conf->bssid, conf->mac, sizeof(conf->mac));
1356                         update_bssid = true;
1357                 }
1358
1359                 if (!is_zero_ether_addr((const u8 *)conf->mac)) {
1360                         reg = le32_to_cpu(conf->mac[1]);
1361                         rt2x00_set_field32(&reg, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
1362                         conf->mac[1] = cpu_to_le32(reg);
1363                 }
1364
1365                 rt2800_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
1366                                               conf->mac, sizeof(conf->mac));
1367         }
1368
1369         if ((flags & CONFIG_UPDATE_BSSID) || update_bssid) {
1370                 if (!is_zero_ether_addr((const u8 *)conf->bssid)) {
1371                         reg = le32_to_cpu(conf->bssid[1]);
1372                         rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_ID_MASK, 3);
1373                         rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_BCN_NUM, 7);
1374                         conf->bssid[1] = cpu_to_le32(reg);
1375                 }
1376
1377                 rt2800_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
1378                                               conf->bssid, sizeof(conf->bssid));
1379         }
1380 }
1381 EXPORT_SYMBOL_GPL(rt2800_config_intf);
1382
1383 static void rt2800_config_ht_opmode(struct rt2x00_dev *rt2x00dev,
1384                                     struct rt2x00lib_erp *erp)
1385 {
1386         bool any_sta_nongf = !!(erp->ht_opmode &
1387                                 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
1388         u8 protection = erp->ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION;
1389         u8 mm20_mode, mm40_mode, gf20_mode, gf40_mode;
1390         u16 mm20_rate, mm40_rate, gf20_rate, gf40_rate;
1391         u32 reg;
1392
1393         /* default protection rate for HT20: OFDM 24M */
1394         mm20_rate = gf20_rate = 0x4004;
1395
1396         /* default protection rate for HT40: duplicate OFDM 24M */
1397         mm40_rate = gf40_rate = 0x4084;
1398
1399         switch (protection) {
1400         case IEEE80211_HT_OP_MODE_PROTECTION_NONE:
1401                 /*
1402                  * All STAs in this BSS are HT20/40 but there might be
1403                  * STAs not supporting greenfield mode.
1404                  * => Disable protection for HT transmissions.
1405                  */
1406                 mm20_mode = mm40_mode = gf20_mode = gf40_mode = 0;
1407
1408                 break;
1409         case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ:
1410                 /*
1411                  * All STAs in this BSS are HT20 or HT20/40 but there
1412                  * might be STAs not supporting greenfield mode.
1413                  * => Protect all HT40 transmissions.
1414                  */
1415                 mm20_mode = gf20_mode = 0;
1416                 mm40_mode = gf40_mode = 2;
1417
1418                 break;
1419         case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER:
1420                 /*
1421                  * Nonmember protection:
1422                  * According to 802.11n we _should_ protect all
1423                  * HT transmissions (but we don't have to).
1424                  *
1425                  * But if cts_protection is enabled we _shall_ protect
1426                  * all HT transmissions using a CCK rate.
1427                  *
1428                  * And if any station is non GF we _shall_ protect
1429                  * GF transmissions.
1430                  *
1431                  * We decide to protect everything
1432                  * -> fall through to mixed mode.
1433                  */
1434         case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED:
1435                 /*
1436                  * Legacy STAs are present
1437                  * => Protect all HT transmissions.
1438                  */
1439                 mm20_mode = mm40_mode = gf20_mode = gf40_mode = 2;
1440
1441                 /*
1442                  * If erp protection is needed we have to protect HT
1443                  * transmissions with CCK 11M long preamble.
1444                  */
1445                 if (erp->cts_protection) {
1446                         /* don't duplicate RTS/CTS in CCK mode */
1447                         mm20_rate = mm40_rate = 0x0003;
1448                         gf20_rate = gf40_rate = 0x0003;
1449                 }
1450                 break;
1451         }
1452
1453         /* check for STAs not supporting greenfield mode */
1454         if (any_sta_nongf)
1455                 gf20_mode = gf40_mode = 2;
1456
1457         /* Update HT protection config */
1458         rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
1459         rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, mm20_rate);
1460         rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, mm20_mode);
1461         rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
1462
1463         rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
1464         rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, mm40_rate);
1465         rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, mm40_mode);
1466         rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
1467
1468         rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
1469         rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, gf20_rate);
1470         rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, gf20_mode);
1471         rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
1472
1473         rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
1474         rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, gf40_rate);
1475         rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, gf40_mode);
1476         rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
1477 }
1478
1479 void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp,
1480                        u32 changed)
1481 {
1482         u32 reg;
1483
1484         if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1485                 rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
1486                 rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY,
1487                                    !!erp->short_preamble);
1488                 rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE,
1489                                    !!erp->short_preamble);
1490                 rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
1491         }
1492
1493         if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1494                 rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
1495                 rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL,
1496                                    erp->cts_protection ? 2 : 0);
1497                 rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
1498         }
1499
1500         if (changed & BSS_CHANGED_BASIC_RATES) {
1501                 rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE,
1502                                          erp->basic_rates);
1503                 rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
1504         }
1505
1506         if (changed & BSS_CHANGED_ERP_SLOT) {
1507                 rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
1508                 rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME,
1509                                    erp->slot_time);
1510                 rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
1511
1512                 rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
1513                 rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, erp->eifs);
1514                 rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
1515         }
1516
1517         if (changed & BSS_CHANGED_BEACON_INT) {
1518                 rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
1519                 rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
1520                                    erp->beacon_int * 16);
1521                 rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1522         }
1523
1524         if (changed & BSS_CHANGED_HT)
1525                 rt2800_config_ht_opmode(rt2x00dev, erp);
1526 }
1527 EXPORT_SYMBOL_GPL(rt2800_config_erp);
1528
1529 static void rt2800_config_3572bt_ant(struct rt2x00_dev *rt2x00dev)
1530 {
1531         u32 reg;
1532         u16 eeprom;
1533         u8 led_ctrl, led_g_mode, led_r_mode;
1534
1535         rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
1536         if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
1537                 rt2x00_set_field32(&reg, GPIO_SWITCH_0, 1);
1538                 rt2x00_set_field32(&reg, GPIO_SWITCH_1, 1);
1539         } else {
1540                 rt2x00_set_field32(&reg, GPIO_SWITCH_0, 0);
1541                 rt2x00_set_field32(&reg, GPIO_SWITCH_1, 0);
1542         }
1543         rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
1544
1545         rt2800_register_read(rt2x00dev, LED_CFG, &reg);
1546         led_g_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 3 : 0;
1547         led_r_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 0 : 3;
1548         if (led_g_mode != rt2x00_get_field32(reg, LED_CFG_G_LED_MODE) ||
1549             led_r_mode != rt2x00_get_field32(reg, LED_CFG_R_LED_MODE)) {
1550                 rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
1551                 led_ctrl = rt2x00_get_field16(eeprom, EEPROM_FREQ_LED_MODE);
1552                 if (led_ctrl == 0 || led_ctrl > 0x40) {
1553                         rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, led_g_mode);
1554                         rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, led_r_mode);
1555                         rt2800_register_write(rt2x00dev, LED_CFG, reg);
1556                 } else {
1557                         rt2800_mcu_request(rt2x00dev, MCU_BAND_SELECT, 0xff,
1558                                            (led_g_mode << 2) | led_r_mode, 1);
1559                 }
1560         }
1561 }
1562
1563 static void rt2800_set_ant_diversity(struct rt2x00_dev *rt2x00dev,
1564                                      enum antenna ant)
1565 {
1566         u32 reg;
1567         u8 eesk_pin = (ant == ANTENNA_A) ? 1 : 0;
1568         u8 gpio_bit3 = (ant == ANTENNA_A) ? 0 : 1;
1569
1570         if (rt2x00_is_pci(rt2x00dev)) {
1571                 rt2800_register_read(rt2x00dev, E2PROM_CSR, &reg);
1572                 rt2x00_set_field32(&reg, E2PROM_CSR_DATA_CLOCK, eesk_pin);
1573                 rt2800_register_write(rt2x00dev, E2PROM_CSR, reg);
1574         } else if (rt2x00_is_usb(rt2x00dev))
1575                 rt2800_mcu_request(rt2x00dev, MCU_ANT_SELECT, 0xff,
1576                                    eesk_pin, 0);
1577
1578         rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
1579         rt2x00_set_field32(&reg, GPIO_CTRL_DIR3, 0);
1580         rt2x00_set_field32(&reg, GPIO_CTRL_VAL3, gpio_bit3);
1581         rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
1582 }
1583
1584 void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant)
1585 {
1586         u8 r1;
1587         u8 r3;
1588         u16 eeprom;
1589
1590         rt2800_bbp_read(rt2x00dev, 1, &r1);
1591         rt2800_bbp_read(rt2x00dev, 3, &r3);
1592
1593         if (rt2x00_rt(rt2x00dev, RT3572) &&
1594             test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags))
1595                 rt2800_config_3572bt_ant(rt2x00dev);
1596
1597         /*
1598          * Configure the TX antenna.
1599          */
1600         switch (ant->tx_chain_num) {
1601         case 1:
1602                 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
1603                 break;
1604         case 2:
1605                 if (rt2x00_rt(rt2x00dev, RT3572) &&
1606                     test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags))
1607                         rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 1);
1608                 else
1609                         rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
1610                 break;
1611         case 3:
1612                 rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
1613                 break;
1614         }
1615
1616         /*
1617          * Configure the RX antenna.
1618          */
1619         switch (ant->rx_chain_num) {
1620         case 1:
1621                 if (rt2x00_rt(rt2x00dev, RT3070) ||
1622                     rt2x00_rt(rt2x00dev, RT3090) ||
1623                     rt2x00_rt(rt2x00dev, RT3352) ||
1624                     rt2x00_rt(rt2x00dev, RT3390)) {
1625                         rt2x00_eeprom_read(rt2x00dev,
1626                                            EEPROM_NIC_CONF1, &eeprom);
1627                         if (rt2x00_get_field16(eeprom,
1628                                                 EEPROM_NIC_CONF1_ANT_DIVERSITY))
1629                                 rt2800_set_ant_diversity(rt2x00dev,
1630                                                 rt2x00dev->default_ant.rx);
1631                 }
1632                 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
1633                 break;
1634         case 2:
1635                 if (rt2x00_rt(rt2x00dev, RT3572) &&
1636                     test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
1637                         rt2x00_set_field8(&r3, BBP3_RX_ADC, 1);
1638                         rt2x00_set_field8(&r3, BBP3_RX_ANTENNA,
1639                                 rt2x00dev->curr_band == IEEE80211_BAND_5GHZ);
1640                         rt2800_set_ant_diversity(rt2x00dev, ANTENNA_B);
1641                 } else {
1642                         rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1);
1643                 }
1644                 break;
1645         case 3:
1646                 rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2);
1647                 break;
1648         }
1649
1650         rt2800_bbp_write(rt2x00dev, 3, r3);
1651         rt2800_bbp_write(rt2x00dev, 1, r1);
1652 }
1653 EXPORT_SYMBOL_GPL(rt2800_config_ant);
1654
1655 static void rt2800_config_lna_gain(struct rt2x00_dev *rt2x00dev,
1656                                    struct rt2x00lib_conf *libconf)
1657 {
1658         u16 eeprom;
1659         short lna_gain;
1660
1661         if (libconf->rf.channel <= 14) {
1662                 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
1663                 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG);
1664         } else if (libconf->rf.channel <= 64) {
1665                 rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
1666                 lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0);
1667         } else if (libconf->rf.channel <= 128) {
1668                 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
1669                 lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_LNA_A1);
1670         } else {
1671                 rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
1672                 lna_gain = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_LNA_A2);
1673         }
1674
1675         rt2x00dev->lna_gain = lna_gain;
1676 }
1677
1678 static void rt2800_config_channel_rf2xxx(struct rt2x00_dev *rt2x00dev,
1679                                          struct ieee80211_conf *conf,
1680                                          struct rf_channel *rf,
1681                                          struct channel_info *info)
1682 {
1683         rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
1684
1685         if (rt2x00dev->default_ant.tx_chain_num == 1)
1686                 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1);
1687
1688         if (rt2x00dev->default_ant.rx_chain_num == 1) {
1689                 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1);
1690                 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
1691         } else if (rt2x00dev->default_ant.rx_chain_num == 2)
1692                 rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
1693
1694         if (rf->channel > 14) {
1695                 /*
1696                  * When TX power is below 0, we should increase it by 7 to
1697                  * make it a positive value (Minimum value is -7).
1698                  * However this means that values between 0 and 7 have
1699                  * double meaning, and we should set a 7DBm boost flag.
1700                  */
1701                 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST,
1702                                    (info->default_power1 >= 0));
1703
1704                 if (info->default_power1 < 0)
1705                         info->default_power1 += 7;
1706
1707                 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A, info->default_power1);
1708
1709                 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST,
1710                                    (info->default_power2 >= 0));
1711
1712                 if (info->default_power2 < 0)
1713                         info->default_power2 += 7;
1714
1715                 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A, info->default_power2);
1716         } else {
1717                 rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G, info->default_power1);
1718                 rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G, info->default_power2);
1719         }
1720
1721         rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
1722
1723         rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1724         rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1725         rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
1726         rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1727
1728         udelay(200);
1729
1730         rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1731         rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1732         rt2800_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
1733         rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1734
1735         udelay(200);
1736
1737         rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1738         rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1739         rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
1740         rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1741 }
1742
1743 static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev,
1744                                          struct ieee80211_conf *conf,
1745                                          struct rf_channel *rf,
1746                                          struct channel_info *info)
1747 {
1748         struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
1749         u8 rfcsr, calib_tx, calib_rx;
1750
1751         rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
1752
1753         rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
1754         rt2x00_set_field8(&rfcsr, RFCSR3_K, rf->rf3);
1755         rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
1756
1757         rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
1758         rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
1759         rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
1760
1761         rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
1762         rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER, info->default_power1);
1763         rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
1764
1765         rt2800_rfcsr_read(rt2x00dev, 13, &rfcsr);
1766         rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER, info->default_power2);
1767         rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
1768
1769         rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
1770         rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
1771         rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD,
1772                           rt2x00dev->default_ant.rx_chain_num <= 1);
1773         rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD,
1774                           rt2x00dev->default_ant.rx_chain_num <= 2);
1775         rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
1776         rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD,
1777                           rt2x00dev->default_ant.tx_chain_num <= 1);
1778         rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD,
1779                           rt2x00dev->default_ant.tx_chain_num <= 2);
1780         rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
1781
1782         rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
1783         rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
1784         rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1785         msleep(1);
1786         rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
1787         rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1788
1789         rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
1790         rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
1791         rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
1792
1793         if (rt2x00_rt(rt2x00dev, RT3390)) {
1794                 calib_tx = conf_is_ht40(conf) ? 0x68 : 0x4f;
1795                 calib_rx = conf_is_ht40(conf) ? 0x6f : 0x4f;
1796         } else {
1797                 if (conf_is_ht40(conf)) {
1798                         calib_tx = drv_data->calibration_bw40;
1799                         calib_rx = drv_data->calibration_bw40;
1800                 } else {
1801                         calib_tx = drv_data->calibration_bw20;
1802                         calib_rx = drv_data->calibration_bw20;
1803                 }
1804         }
1805
1806         rt2800_rfcsr_read(rt2x00dev, 24, &rfcsr);
1807         rt2x00_set_field8(&rfcsr, RFCSR24_TX_CALIB, calib_tx);
1808         rt2800_rfcsr_write(rt2x00dev, 24, rfcsr);
1809
1810         rt2800_rfcsr_read(rt2x00dev, 31, &rfcsr);
1811         rt2x00_set_field8(&rfcsr, RFCSR31_RX_CALIB, calib_rx);
1812         rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
1813
1814         rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
1815         rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
1816         rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
1817
1818         rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
1819         rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
1820         rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1821         msleep(1);
1822         rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
1823         rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
1824 }
1825
1826 static void rt2800_config_channel_rf3052(struct rt2x00_dev *rt2x00dev,
1827                                          struct ieee80211_conf *conf,
1828                                          struct rf_channel *rf,
1829                                          struct channel_info *info)
1830 {
1831         struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
1832         u8 rfcsr;
1833         u32 reg;
1834
1835         if (rf->channel <= 14) {
1836                 rt2800_bbp_write(rt2x00dev, 25, drv_data->bbp25);
1837                 rt2800_bbp_write(rt2x00dev, 26, drv_data->bbp26);
1838         } else {
1839                 rt2800_bbp_write(rt2x00dev, 25, 0x09);
1840                 rt2800_bbp_write(rt2x00dev, 26, 0xff);
1841         }
1842
1843         rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
1844         rt2800_rfcsr_write(rt2x00dev, 3, rf->rf3);
1845
1846         rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
1847         rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
1848         if (rf->channel <= 14)
1849                 rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 2);
1850         else
1851                 rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 1);
1852         rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
1853
1854         rt2800_rfcsr_read(rt2x00dev, 5, &rfcsr);
1855         if (rf->channel <= 14)
1856                 rt2x00_set_field8(&rfcsr, RFCSR5_R1, 1);
1857         else
1858                 rt2x00_set_field8(&rfcsr, RFCSR5_R1, 2);
1859         rt2800_rfcsr_write(rt2x00dev, 5, rfcsr);
1860
1861         rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
1862         if (rf->channel <= 14) {
1863                 rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 3);
1864                 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
1865                                   info->default_power1);
1866         } else {
1867                 rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 7);
1868                 rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
1869                                 (info->default_power1 & 0x3) |
1870                                 ((info->default_power1 & 0xC) << 1));
1871         }
1872         rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
1873
1874         rt2800_rfcsr_read(rt2x00dev, 13, &rfcsr);
1875         if (rf->channel <= 14) {
1876                 rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 3);
1877                 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
1878                                   info->default_power2);
1879         } else {
1880                 rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 7);
1881                 rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
1882                                 (info->default_power2 & 0x3) |
1883                                 ((info->default_power2 & 0xC) << 1));
1884         }
1885         rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
1886
1887         rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
1888         rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
1889         rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
1890         rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
1891         rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
1892         rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
1893         rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
1894         if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
1895                 if (rf->channel <= 14) {
1896                         rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
1897                         rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
1898                 }
1899                 rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
1900                 rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
1901         } else {
1902                 switch (rt2x00dev->default_ant.tx_chain_num) {
1903                 case 1:
1904                         rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
1905                 case 2:
1906                         rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
1907                         break;
1908                 }
1909
1910                 switch (rt2x00dev->default_ant.rx_chain_num) {
1911                 case 1:
1912                         rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
1913                 case 2:
1914                         rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
1915                         break;
1916                 }
1917         }
1918         rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
1919
1920         rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
1921         rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
1922         rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
1923
1924         if (conf_is_ht40(conf)) {
1925                 rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw40);
1926                 rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw40);
1927         } else {
1928                 rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw20);
1929                 rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw20);
1930         }
1931
1932         if (rf->channel <= 14) {
1933                 rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
1934                 rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
1935                 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
1936                 rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
1937                 rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
1938                 rfcsr = 0x4c;
1939                 rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN,
1940                                   drv_data->txmixer_gain_24g);
1941                 rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
1942                 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
1943                 rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
1944                 rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
1945                 rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
1946                 rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
1947                 rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
1948                 rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
1949         } else {
1950                 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
1951                 rt2x00_set_field8(&rfcsr, RFCSR7_BIT2, 1);
1952                 rt2x00_set_field8(&rfcsr, RFCSR7_BIT3, 0);
1953                 rt2x00_set_field8(&rfcsr, RFCSR7_BIT4, 1);
1954                 rt2x00_set_field8(&rfcsr, RFCSR7_BITS67, 0);
1955                 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
1956                 rt2800_rfcsr_write(rt2x00dev, 9, 0xc0);
1957                 rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
1958                 rt2800_rfcsr_write(rt2x00dev, 11, 0x00);
1959                 rt2800_rfcsr_write(rt2x00dev, 15, 0x43);
1960                 rfcsr = 0x7a;
1961                 rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN,
1962                                   drv_data->txmixer_gain_5g);
1963                 rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
1964                 rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
1965                 if (rf->channel <= 64) {
1966                         rt2800_rfcsr_write(rt2x00dev, 19, 0xb7);
1967                         rt2800_rfcsr_write(rt2x00dev, 20, 0xf6);
1968                         rt2800_rfcsr_write(rt2x00dev, 25, 0x3d);
1969                 } else if (rf->channel <= 128) {
1970                         rt2800_rfcsr_write(rt2x00dev, 19, 0x74);
1971                         rt2800_rfcsr_write(rt2x00dev, 20, 0xf4);
1972                         rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
1973                 } else {
1974                         rt2800_rfcsr_write(rt2x00dev, 19, 0x72);
1975                         rt2800_rfcsr_write(rt2x00dev, 20, 0xf3);
1976                         rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
1977                 }
1978                 rt2800_rfcsr_write(rt2x00dev, 26, 0x87);
1979                 rt2800_rfcsr_write(rt2x00dev, 27, 0x01);
1980                 rt2800_rfcsr_write(rt2x00dev, 29, 0x9f);
1981         }
1982
1983         rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
1984         rt2x00_set_field32(&reg, GPIO_CTRL_DIR7, 0);
1985         if (rf->channel <= 14)
1986                 rt2x00_set_field32(&reg, GPIO_CTRL_VAL7, 1);
1987         else
1988                 rt2x00_set_field32(&reg, GPIO_CTRL_VAL7, 0);
1989         rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
1990
1991         rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
1992         rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
1993         rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
1994 }
1995
1996 #define POWER_BOUND             0x27
1997 #define POWER_BOUND_5G          0x2b
1998 #define FREQ_OFFSET_BOUND       0x5f
1999
2000 static void rt2800_adjust_freq_offset(struct rt2x00_dev *rt2x00dev)
2001 {
2002         u8 rfcsr;
2003
2004         rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
2005         if (rt2x00dev->freq_offset > FREQ_OFFSET_BOUND)
2006                 rt2x00_set_field8(&rfcsr, RFCSR17_CODE, FREQ_OFFSET_BOUND);
2007         else
2008                 rt2x00_set_field8(&rfcsr, RFCSR17_CODE, rt2x00dev->freq_offset);
2009         rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
2010 }
2011
2012 static void rt2800_config_channel_rf3290(struct rt2x00_dev *rt2x00dev,
2013                                          struct ieee80211_conf *conf,
2014                                          struct rf_channel *rf,
2015                                          struct channel_info *info)
2016 {
2017         u8 rfcsr;
2018
2019         rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2020         rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
2021         rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
2022         rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf2);
2023         rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2024
2025         rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr);
2026         if (info->default_power1 > POWER_BOUND)
2027                 rt2x00_set_field8(&rfcsr, RFCSR49_TX, POWER_BOUND);
2028         else
2029                 rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
2030         rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2031
2032         rt2800_adjust_freq_offset(rt2x00dev);
2033
2034         if (rf->channel <= 14) {
2035                 if (rf->channel == 6)
2036                         rt2800_bbp_write(rt2x00dev, 68, 0x0c);
2037                 else
2038                         rt2800_bbp_write(rt2x00dev, 68, 0x0b);
2039
2040                 if (rf->channel >= 1 && rf->channel <= 6)
2041                         rt2800_bbp_write(rt2x00dev, 59, 0x0f);
2042                 else if (rf->channel >= 7 && rf->channel <= 11)
2043                         rt2800_bbp_write(rt2x00dev, 59, 0x0e);
2044                 else if (rf->channel >= 12 && rf->channel <= 14)
2045                         rt2800_bbp_write(rt2x00dev, 59, 0x0d);
2046         }
2047 }
2048
2049 static void rt2800_config_channel_rf3322(struct rt2x00_dev *rt2x00dev,
2050                                          struct ieee80211_conf *conf,
2051                                          struct rf_channel *rf,
2052                                          struct channel_info *info)
2053 {
2054         u8 rfcsr;
2055
2056         rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2057         rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
2058
2059         rt2800_rfcsr_write(rt2x00dev, 11, 0x42);
2060         rt2800_rfcsr_write(rt2x00dev, 12, 0x1c);
2061         rt2800_rfcsr_write(rt2x00dev, 13, 0x00);
2062
2063         if (info->default_power1 > POWER_BOUND)
2064                 rt2800_rfcsr_write(rt2x00dev, 47, POWER_BOUND);
2065         else
2066                 rt2800_rfcsr_write(rt2x00dev, 47, info->default_power1);
2067
2068         if (info->default_power2 > POWER_BOUND)
2069                 rt2800_rfcsr_write(rt2x00dev, 48, POWER_BOUND);
2070         else
2071                 rt2800_rfcsr_write(rt2x00dev, 48, info->default_power2);
2072
2073         rt2800_adjust_freq_offset(rt2x00dev);
2074
2075         rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2076         rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2077         rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2078
2079         if ( rt2x00dev->default_ant.tx_chain_num == 2 )
2080                 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2081         else
2082                 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
2083
2084         if ( rt2x00dev->default_ant.rx_chain_num == 2 )
2085                 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2086         else
2087                 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
2088
2089         rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
2090         rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
2091
2092         rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2093
2094         rt2800_rfcsr_write(rt2x00dev, 31, 80);
2095 }
2096
2097 static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
2098                                          struct ieee80211_conf *conf,
2099                                          struct rf_channel *rf,
2100                                          struct channel_info *info)
2101 {
2102         u8 rfcsr;
2103
2104         rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2105         rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
2106         rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
2107         rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf2);
2108         rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2109
2110         rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr);
2111         if (info->default_power1 > POWER_BOUND)
2112                 rt2x00_set_field8(&rfcsr, RFCSR49_TX, POWER_BOUND);
2113         else
2114                 rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
2115         rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2116
2117         if (rt2x00_rt(rt2x00dev, RT5392)) {
2118                 rt2800_rfcsr_read(rt2x00dev, 50, &rfcsr);
2119                 if (info->default_power1 > POWER_BOUND)
2120                         rt2x00_set_field8(&rfcsr, RFCSR50_TX, POWER_BOUND);
2121                 else
2122                         rt2x00_set_field8(&rfcsr, RFCSR50_TX,
2123                                           info->default_power2);
2124                 rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
2125         }
2126
2127         rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2128         if (rt2x00_rt(rt2x00dev, RT5392)) {
2129                 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2130                 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2131         }
2132         rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
2133         rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
2134         rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2135         rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2136         rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2137
2138         rt2800_adjust_freq_offset(rt2x00dev);
2139
2140         if (rf->channel <= 14) {
2141                 int idx = rf->channel-1;
2142
2143                 if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
2144                         if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
2145                                 /* r55/r59 value array of channel 1~14 */
2146                                 static const char r55_bt_rev[] = {0x83, 0x83,
2147                                         0x83, 0x73, 0x73, 0x63, 0x53, 0x53,
2148                                         0x53, 0x43, 0x43, 0x43, 0x43, 0x43};
2149                                 static const char r59_bt_rev[] = {0x0e, 0x0e,
2150                                         0x0e, 0x0e, 0x0e, 0x0b, 0x0a, 0x09,
2151                                         0x07, 0x07, 0x07, 0x07, 0x07, 0x07};
2152
2153                                 rt2800_rfcsr_write(rt2x00dev, 55,
2154                                                    r55_bt_rev[idx]);
2155                                 rt2800_rfcsr_write(rt2x00dev, 59,
2156                                                    r59_bt_rev[idx]);
2157                         } else {
2158                                 static const char r59_bt[] = {0x8b, 0x8b, 0x8b,
2159                                         0x8b, 0x8b, 0x8b, 0x8b, 0x8a, 0x89,
2160                                         0x88, 0x88, 0x86, 0x85, 0x84};
2161
2162                                 rt2800_rfcsr_write(rt2x00dev, 59, r59_bt[idx]);
2163                         }
2164                 } else {
2165                         if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
2166                                 static const char r55_nonbt_rev[] = {0x23, 0x23,
2167                                         0x23, 0x23, 0x13, 0x13, 0x03, 0x03,
2168                                         0x03, 0x03, 0x03, 0x03, 0x03, 0x03};
2169                                 static const char r59_nonbt_rev[] = {0x07, 0x07,
2170                                         0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
2171                                         0x07, 0x07, 0x06, 0x05, 0x04, 0x04};
2172
2173                                 rt2800_rfcsr_write(rt2x00dev, 55,
2174                                                    r55_nonbt_rev[idx]);
2175                                 rt2800_rfcsr_write(rt2x00dev, 59,
2176                                                    r59_nonbt_rev[idx]);
2177                         } else if (rt2x00_rt(rt2x00dev, RT5390) ||
2178                                    rt2x00_rt(rt2x00dev, RT5392)) {
2179                                 static const char r59_non_bt[] = {0x8f, 0x8f,
2180                                         0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8d,
2181                                         0x8a, 0x88, 0x88, 0x87, 0x87, 0x86};
2182
2183                                 rt2800_rfcsr_write(rt2x00dev, 59,
2184                                                    r59_non_bt[idx]);
2185                         }
2186                 }
2187         }
2188 }
2189
2190 static void rt2800_config_channel_rf55xx(struct rt2x00_dev *rt2x00dev,
2191                                          struct ieee80211_conf *conf,
2192                                          struct rf_channel *rf,
2193                                          struct channel_info *info)
2194 {
2195         u8 rfcsr, ep_reg;
2196         u32 reg;
2197         int power_bound;
2198
2199         /* TODO */
2200         const bool is_11b = false;
2201         const bool is_type_ep = false;
2202
2203         rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
2204         rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL,
2205                            (rf->channel > 14 || conf_is_ht40(conf)) ? 5 : 0);
2206         rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
2207
2208         /* Order of values on rf_channel entry: N, K, mod, R */
2209         rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1 & 0xff);
2210
2211         rt2800_rfcsr_read(rt2x00dev,  9, &rfcsr);
2212         rt2x00_set_field8(&rfcsr, RFCSR9_K, rf->rf2 & 0xf);
2213         rt2x00_set_field8(&rfcsr, RFCSR9_N, (rf->rf1 & 0x100) >> 8);
2214         rt2x00_set_field8(&rfcsr, RFCSR9_MOD, ((rf->rf3 - 8) & 0x4) >> 2);
2215         rt2800_rfcsr_write(rt2x00dev, 9, rfcsr);
2216
2217         rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
2218         rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf4 - 1);
2219         rt2x00_set_field8(&rfcsr, RFCSR11_MOD, (rf->rf3 - 8) & 0x3);
2220         rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2221
2222         if (rf->channel <= 14) {
2223                 rt2800_rfcsr_write(rt2x00dev, 10, 0x90);
2224                 /* FIXME: RF11 owerwrite ? */
2225                 rt2800_rfcsr_write(rt2x00dev, 11, 0x4A);
2226                 rt2800_rfcsr_write(rt2x00dev, 12, 0x52);
2227                 rt2800_rfcsr_write(rt2x00dev, 13, 0x42);
2228                 rt2800_rfcsr_write(rt2x00dev, 22, 0x40);
2229                 rt2800_rfcsr_write(rt2x00dev, 24, 0x4A);
2230                 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
2231                 rt2800_rfcsr_write(rt2x00dev, 27, 0x42);
2232                 rt2800_rfcsr_write(rt2x00dev, 36, 0x80);
2233                 rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
2234                 rt2800_rfcsr_write(rt2x00dev, 38, 0x89);
2235                 rt2800_rfcsr_write(rt2x00dev, 39, 0x1B);
2236                 rt2800_rfcsr_write(rt2x00dev, 40, 0x0D);
2237                 rt2800_rfcsr_write(rt2x00dev, 41, 0x9B);
2238                 rt2800_rfcsr_write(rt2x00dev, 42, 0xD5);
2239                 rt2800_rfcsr_write(rt2x00dev, 43, 0x72);
2240                 rt2800_rfcsr_write(rt2x00dev, 44, 0x0E);
2241                 rt2800_rfcsr_write(rt2x00dev, 45, 0xA2);
2242                 rt2800_rfcsr_write(rt2x00dev, 46, 0x6B);
2243                 rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
2244                 rt2800_rfcsr_write(rt2x00dev, 51, 0x3E);
2245                 rt2800_rfcsr_write(rt2x00dev, 52, 0x48);
2246                 rt2800_rfcsr_write(rt2x00dev, 54, 0x38);
2247                 rt2800_rfcsr_write(rt2x00dev, 56, 0xA1);
2248                 rt2800_rfcsr_write(rt2x00dev, 57, 0x00);
2249                 rt2800_rfcsr_write(rt2x00dev, 58, 0x39);
2250                 rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
2251                 rt2800_rfcsr_write(rt2x00dev, 61, 0x91);
2252                 rt2800_rfcsr_write(rt2x00dev, 62, 0x39);
2253
2254                 /* TODO RF27 <- tssi */
2255
2256                 rfcsr = rf->channel <= 10 ? 0x07 : 0x06;
2257                 rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
2258                 rt2800_rfcsr_write(rt2x00dev, 59, rfcsr);
2259
2260                 if (is_11b) {
2261                         /* CCK */
2262                         rt2800_rfcsr_write(rt2x00dev, 31, 0xF8);
2263                         rt2800_rfcsr_write(rt2x00dev, 32, 0xC0);
2264                         if (is_type_ep)
2265                                 rt2800_rfcsr_write(rt2x00dev, 55, 0x06);
2266                         else
2267                                 rt2800_rfcsr_write(rt2x00dev, 55, 0x47);
2268                 } else {
2269                         /* OFDM */
2270                         if (is_type_ep)
2271                                 rt2800_rfcsr_write(rt2x00dev, 55, 0x03);
2272                         else
2273                                 rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
2274                 }
2275
2276                 power_bound = POWER_BOUND;
2277                 ep_reg = 0x2;
2278         } else {
2279                 rt2800_rfcsr_write(rt2x00dev, 10, 0x97);
2280                 /* FIMXE: RF11 overwrite */
2281                 rt2800_rfcsr_write(rt2x00dev, 11, 0x40);
2282                 rt2800_rfcsr_write(rt2x00dev, 25, 0xBF);
2283                 rt2800_rfcsr_write(rt2x00dev, 27, 0x42);
2284                 rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
2285                 rt2800_rfcsr_write(rt2x00dev, 37, 0x04);
2286                 rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
2287                 rt2800_rfcsr_write(rt2x00dev, 40, 0x42);
2288                 rt2800_rfcsr_write(rt2x00dev, 41, 0xBB);
2289                 rt2800_rfcsr_write(rt2x00dev, 42, 0xD7);
2290                 rt2800_rfcsr_write(rt2x00dev, 45, 0x41);
2291                 rt2800_rfcsr_write(rt2x00dev, 48, 0x00);
2292                 rt2800_rfcsr_write(rt2x00dev, 57, 0x77);
2293                 rt2800_rfcsr_write(rt2x00dev, 60, 0x05);
2294                 rt2800_rfcsr_write(rt2x00dev, 61, 0x01);
2295
2296                 /* TODO RF27 <- tssi */
2297
2298                 if (rf->channel >= 36 && rf->channel <= 64) {
2299
2300                         rt2800_rfcsr_write(rt2x00dev, 12, 0x2E);
2301                         rt2800_rfcsr_write(rt2x00dev, 13, 0x22);
2302                         rt2800_rfcsr_write(rt2x00dev, 22, 0x60);
2303                         rt2800_rfcsr_write(rt2x00dev, 23, 0x7F);
2304                         if (rf->channel <= 50)
2305                                 rt2800_rfcsr_write(rt2x00dev, 24, 0x09);
2306                         else if (rf->channel >= 52)
2307                                 rt2800_rfcsr_write(rt2x00dev, 24, 0x07);
2308                         rt2800_rfcsr_write(rt2x00dev, 39, 0x1C);
2309                         rt2800_rfcsr_write(rt2x00dev, 43, 0x5B);
2310                         rt2800_rfcsr_write(rt2x00dev, 44, 0X40);
2311                         rt2800_rfcsr_write(rt2x00dev, 46, 0X00);
2312                         rt2800_rfcsr_write(rt2x00dev, 51, 0xFE);
2313                         rt2800_rfcsr_write(rt2x00dev, 52, 0x0C);
2314                         rt2800_rfcsr_write(rt2x00dev, 54, 0xF8);
2315                         if (rf->channel <= 50) {
2316                                 rt2800_rfcsr_write(rt2x00dev, 55, 0x06),
2317                                 rt2800_rfcsr_write(rt2x00dev, 56, 0xD3);
2318                         } else if (rf->channel >= 52) {
2319                                 rt2800_rfcsr_write(rt2x00dev, 55, 0x04);
2320                                 rt2800_rfcsr_write(rt2x00dev, 56, 0xBB);
2321                         }
2322
2323                         rt2800_rfcsr_write(rt2x00dev, 58, 0x15);
2324                         rt2800_rfcsr_write(rt2x00dev, 59, 0x7F);
2325                         rt2800_rfcsr_write(rt2x00dev, 62, 0x15);
2326
2327                 } else if (rf->channel >= 100 && rf->channel <= 165) {
2328
2329                         rt2800_rfcsr_write(rt2x00dev, 12, 0x0E);
2330                         rt2800_rfcsr_write(rt2x00dev, 13, 0x42);
2331                         rt2800_rfcsr_write(rt2x00dev, 22, 0x40);
2332                         if (rf->channel <= 153) {
2333                                 rt2800_rfcsr_write(rt2x00dev, 23, 0x3C);
2334                                 rt2800_rfcsr_write(rt2x00dev, 24, 0x06);
2335                         } else if (rf->channel >= 155) {
2336                                 rt2800_rfcsr_write(rt2x00dev, 23, 0x38);
2337                                 rt2800_rfcsr_write(rt2x00dev, 24, 0x05);
2338                         }
2339                         if (rf->channel <= 138) {
2340                                 rt2800_rfcsr_write(rt2x00dev, 39, 0x1A);
2341                                 rt2800_rfcsr_write(rt2x00dev, 43, 0x3B);
2342                                 rt2800_rfcsr_write(rt2x00dev, 44, 0x20);
2343                                 rt2800_rfcsr_write(rt2x00dev, 46, 0x18);
2344                         } else if (rf->channel >= 140) {
2345                                 rt2800_rfcsr_write(rt2x00dev, 39, 0x18);
2346                                 rt2800_rfcsr_write(rt2x00dev, 43, 0x1B);
2347                                 rt2800_rfcsr_write(rt2x00dev, 44, 0x10);
2348                                 rt2800_rfcsr_write(rt2x00dev, 46, 0X08);
2349                         }
2350                         if (rf->channel <= 124)
2351                                 rt2800_rfcsr_write(rt2x00dev, 51, 0xFC);
2352                         else if (rf->channel >= 126)
2353                                 rt2800_rfcsr_write(rt2x00dev, 51, 0xEC);
2354                         if (rf->channel <= 138)
2355                                 rt2800_rfcsr_write(rt2x00dev, 52, 0x06);
2356                         else if (rf->channel >= 140)
2357                                 rt2800_rfcsr_write(rt2x00dev, 52, 0x06);
2358                         rt2800_rfcsr_write(rt2x00dev, 54, 0xEB);
2359                         if (rf->channel <= 138)
2360                                 rt2800_rfcsr_write(rt2x00dev, 55, 0x01);
2361                         else if (rf->channel >= 140)
2362                                 rt2800_rfcsr_write(rt2x00dev, 55, 0x00);
2363                         if (rf->channel <= 128)
2364                                 rt2800_rfcsr_write(rt2x00dev, 56, 0xBB);
2365                         else if (rf->channel >= 130)
2366                                 rt2800_rfcsr_write(rt2x00dev, 56, 0xAB);
2367                         if (rf->channel <= 116)
2368                                 rt2800_rfcsr_write(rt2x00dev, 58, 0x1D);
2369                         else if (rf->channel >= 118)
2370                                 rt2800_rfcsr_write(rt2x00dev, 58, 0x15);
2371                         if (rf->channel <= 138)
2372                                 rt2800_rfcsr_write(rt2x00dev, 59, 0x3F);
2373                         else if (rf->channel >= 140)
2374                                 rt2800_rfcsr_write(rt2x00dev, 59, 0x7C);
2375                         if (rf->channel <= 116)
2376                                 rt2800_rfcsr_write(rt2x00dev, 62, 0x1D);
2377                         else if (rf->channel >= 118)
2378                                 rt2800_rfcsr_write(rt2x00dev, 62, 0x15);
2379                 }
2380
2381                 power_bound = POWER_BOUND_5G;
2382                 ep_reg = 0x3;
2383         }
2384
2385         rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr);
2386         if (info->default_power1 > power_bound)
2387                 rt2x00_set_field8(&rfcsr, RFCSR49_TX, power_bound);
2388         else
2389                 rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
2390         if (is_type_ep)
2391                 rt2x00_set_field8(&rfcsr, RFCSR49_EP, ep_reg);
2392         rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2393
2394         rt2800_rfcsr_read(rt2x00dev, 50, &rfcsr);
2395         if (info->default_power2 > power_bound)
2396                 rt2x00_set_field8(&rfcsr, RFCSR50_TX, power_bound);
2397         else
2398                 rt2x00_set_field8(&rfcsr, RFCSR50_TX, info->default_power2);
2399         if (is_type_ep)
2400                 rt2x00_set_field8(&rfcsr, RFCSR50_EP, ep_reg);
2401         rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
2402
2403         rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2404         rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
2405         rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
2406
2407         rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD,
2408                           rt2x00dev->default_ant.tx_chain_num >= 1);
2409         rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD,
2410                           rt2x00dev->default_ant.tx_chain_num == 2);
2411         rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
2412
2413         rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD,
2414                           rt2x00dev->default_ant.rx_chain_num >= 1);
2415         rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD,
2416                           rt2x00dev->default_ant.rx_chain_num == 2);
2417         rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
2418
2419         rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2420         rt2800_rfcsr_write(rt2x00dev, 6, 0xe4);
2421
2422         if (conf_is_ht40(conf))
2423                 rt2800_rfcsr_write(rt2x00dev, 30, 0x16);
2424         else
2425                 rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
2426
2427         if (!is_11b) {
2428                 rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
2429                 rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
2430         }
2431
2432         /* TODO proper frequency adjustment */
2433         rt2800_adjust_freq_offset(rt2x00dev);
2434
2435         /* TODO merge with others */
2436         rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
2437         rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
2438         rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
2439
2440         /* BBP settings */
2441         rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
2442         rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
2443         rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
2444
2445         rt2800_bbp_write(rt2x00dev, 79, (rf->channel <= 14) ? 0x1C : 0x18);
2446         rt2800_bbp_write(rt2x00dev, 80, (rf->channel <= 14) ? 0x0E : 0x08);
2447         rt2800_bbp_write(rt2x00dev, 81, (rf->channel <= 14) ? 0x3A : 0x38);
2448         rt2800_bbp_write(rt2x00dev, 82, (rf->channel <= 14) ? 0x62 : 0x92);
2449
2450         /* GLRT band configuration */
2451         rt2800_bbp_write(rt2x00dev, 195, 128);
2452         rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0xE0 : 0xF0);
2453         rt2800_bbp_write(rt2x00dev, 195, 129);
2454         rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x1F : 0x1E);
2455         rt2800_bbp_write(rt2x00dev, 195, 130);
2456         rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x38 : 0x28);
2457         rt2800_bbp_write(rt2x00dev, 195, 131);
2458         rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x32 : 0x20);
2459         rt2800_bbp_write(rt2x00dev, 195, 133);
2460         rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x28 : 0x7F);
2461         rt2800_bbp_write(rt2x00dev, 195, 124);
2462         rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x19 : 0x7F);
2463 }
2464
2465 static void rt2800_bbp_write_with_rx_chain(struct rt2x00_dev *rt2x00dev,
2466                                            const unsigned int word,
2467                                            const u8 value)
2468 {
2469         u8 chain, reg;
2470
2471         for (chain = 0; chain < rt2x00dev->default_ant.rx_chain_num; chain++) {
2472                 rt2800_bbp_read(rt2x00dev, 27, &reg);
2473                 rt2x00_set_field8(&reg,  BBP27_RX_CHAIN_SEL, chain);
2474                 rt2800_bbp_write(rt2x00dev, 27, reg);
2475
2476                 rt2800_bbp_write(rt2x00dev, word, value);
2477         }
2478 }
2479
2480 static void rt2800_iq_calibrate(struct rt2x00_dev *rt2x00dev, int channel)
2481 {
2482         u8 cal;
2483
2484         /* TX0 IQ Gain */
2485         rt2800_bbp_write(rt2x00dev, 158, 0x2c);
2486         if (channel <= 14)
2487                 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX0_2G);
2488         else if (channel >= 36 && channel <= 64)
2489                 cal = rt2x00_eeprom_byte(rt2x00dev,
2490                                          EEPROM_IQ_GAIN_CAL_TX0_CH36_TO_CH64_5G);
2491         else if (channel >= 100 && channel <= 138)
2492                 cal = rt2x00_eeprom_byte(rt2x00dev,
2493                                          EEPROM_IQ_GAIN_CAL_TX0_CH100_TO_CH138_5G);
2494         else if (channel >= 140 && channel <= 165)
2495                 cal = rt2x00_eeprom_byte(rt2x00dev,
2496                                          EEPROM_IQ_GAIN_CAL_TX0_CH140_TO_CH165_5G);
2497         else
2498                 cal = 0;
2499         rt2800_bbp_write(rt2x00dev, 159, cal);
2500
2501         /* TX0 IQ Phase */
2502         rt2800_bbp_write(rt2x00dev, 158, 0x2d);
2503         if (channel <= 14)
2504                 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX0_2G);
2505         else if (channel >= 36 && channel <= 64)
2506                 cal = rt2x00_eeprom_byte(rt2x00dev,
2507                                          EEPROM_IQ_PHASE_CAL_TX0_CH36_TO_CH64_5G);
2508         else if (channel >= 100 && channel <= 138)
2509                 cal = rt2x00_eeprom_byte(rt2x00dev,
2510                                          EEPROM_IQ_PHASE_CAL_TX0_CH100_TO_CH138_5G);
2511         else if (channel >= 140 && channel <= 165)
2512                 cal = rt2x00_eeprom_byte(rt2x00dev,
2513                                          EEPROM_IQ_PHASE_CAL_TX0_CH140_TO_CH165_5G);
2514         else
2515                 cal = 0;
2516         rt2800_bbp_write(rt2x00dev, 159, cal);
2517
2518         /* TX1 IQ Gain */
2519         rt2800_bbp_write(rt2x00dev, 158, 0x4a);
2520         if (channel <= 14)
2521                 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX1_2G);
2522         else if (channel >= 36 && channel <= 64)
2523                 cal = rt2x00_eeprom_byte(rt2x00dev,
2524                                          EEPROM_IQ_GAIN_CAL_TX1_CH36_TO_CH64_5G);
2525         else if (channel >= 100 && channel <= 138)
2526                 cal = rt2x00_eeprom_byte(rt2x00dev,
2527                                          EEPROM_IQ_GAIN_CAL_TX1_CH100_TO_CH138_5G);
2528         else if (channel >= 140 && channel <= 165)
2529                 cal = rt2x00_eeprom_byte(rt2x00dev,
2530                                          EEPROM_IQ_GAIN_CAL_TX1_CH140_TO_CH165_5G);
2531         else
2532                 cal = 0;
2533         rt2800_bbp_write(rt2x00dev, 159, cal);
2534
2535         /* TX1 IQ Phase */
2536         rt2800_bbp_write(rt2x00dev, 158, 0x4b);
2537         if (channel <= 14)
2538                 cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX1_2G);
2539         else if (channel >= 36 && channel <= 64)
2540                 cal = rt2x00_eeprom_byte(rt2x00dev,
2541                                          EEPROM_IQ_PHASE_CAL_TX1_CH36_TO_CH64_5G);
2542         else if (channel >= 100 && channel <= 138)
2543                 cal = rt2x00_eeprom_byte(rt2x00dev,
2544                                          EEPROM_IQ_PHASE_CAL_TX1_CH100_TO_CH138_5G);
2545         else if (channel >= 140 && channel <= 165)
2546                 cal = rt2x00_eeprom_byte(rt2x00dev,
2547                                          EEPROM_IQ_PHASE_CAL_TX1_CH140_TO_CH165_5G);
2548         else
2549                 cal = 0;
2550         rt2800_bbp_write(rt2x00dev, 159, cal);
2551
2552         /* FIXME: possible RX0, RX1 callibration ? */
2553
2554         /* RF IQ compensation control */
2555         rt2800_bbp_write(rt2x00dev, 158, 0x04);
2556         cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_RF_IQ_COMPENSATION_CONTROL);
2557         rt2800_bbp_write(rt2x00dev, 159, cal != 0xff ? cal : 0);
2558
2559         /* RF IQ imbalance compensation control */
2560         rt2800_bbp_write(rt2x00dev, 158, 0x03);
2561         cal = rt2x00_eeprom_byte(rt2x00dev,
2562                                  EEPROM_RF_IQ_IMBALANCE_COMPENSATION_CONTROL);
2563         rt2800_bbp_write(rt2x00dev, 159, cal != 0xff ? cal : 0);
2564 }
2565
2566 static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
2567                                   struct ieee80211_conf *conf,
2568                                   struct rf_channel *rf,
2569                                   struct channel_info *info)
2570 {
2571         u32 reg;
2572         unsigned int tx_pin;
2573         u8 bbp, rfcsr;
2574
2575         if (rf->channel <= 14) {
2576                 info->default_power1 = TXPOWER_G_TO_DEV(info->default_power1);
2577                 info->default_power2 = TXPOWER_G_TO_DEV(info->default_power2);
2578         } else {
2579                 info->default_power1 = TXPOWER_A_TO_DEV(info->default_power1);
2580                 info->default_power2 = TXPOWER_A_TO_DEV(info->default_power2);
2581         }
2582
2583         switch (rt2x00dev->chip.rf) {
2584         case RF2020:
2585         case RF3020:
2586         case RF3021:
2587         case RF3022:
2588         case RF3320:
2589                 rt2800_config_channel_rf3xxx(rt2x00dev, conf, rf, info);
2590                 break;
2591         case RF3052:
2592                 rt2800_config_channel_rf3052(rt2x00dev, conf, rf, info);
2593                 break;
2594         case RF3290:
2595                 rt2800_config_channel_rf3290(rt2x00dev, conf, rf, info);
2596                 break;
2597         case RF3322:
2598                 rt2800_config_channel_rf3322(rt2x00dev, conf, rf, info);
2599                 break;
2600         case RF5360:
2601         case RF5370:
2602         case RF5372:
2603         case RF5390:
2604         case RF5392:
2605                 rt2800_config_channel_rf53xx(rt2x00dev, conf, rf, info);
2606                 break;
2607         case RF5592:
2608                 rt2800_config_channel_rf55xx(rt2x00dev, conf, rf, info);
2609                 break;
2610         default:
2611                 rt2800_config_channel_rf2xxx(rt2x00dev, conf, rf, info);
2612         }
2613
2614         if (rt2x00_rf(rt2x00dev, RF3290) ||
2615             rt2x00_rf(rt2x00dev, RF3322) ||
2616             rt2x00_rf(rt2x00dev, RF5360) ||
2617             rt2x00_rf(rt2x00dev, RF5370) ||
2618             rt2x00_rf(rt2x00dev, RF5372) ||
2619             rt2x00_rf(rt2x00dev, RF5390) ||
2620             rt2x00_rf(rt2x00dev, RF5392)) {
2621                 rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
2622                 rt2x00_set_field8(&rfcsr, RFCSR30_TX_H20M, 0);
2623                 rt2x00_set_field8(&rfcsr, RFCSR30_RX_H20M, 0);
2624                 rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2625
2626                 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
2627                 rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
2628                 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
2629         }
2630
2631         /*
2632          * Change BBP settings
2633          */
2634         if (rt2x00_rt(rt2x00dev, RT3352)) {
2635                 rt2800_bbp_write(rt2x00dev, 27, 0x0);
2636                 rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain);
2637                 rt2800_bbp_write(rt2x00dev, 27, 0x20);
2638                 rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain);
2639         } else {
2640                 rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
2641                 rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
2642                 rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
2643                 rt2800_bbp_write(rt2x00dev, 86, 0);
2644         }
2645
2646         if (rf->channel <= 14) {
2647                 if (!rt2x00_rt(rt2x00dev, RT5390) &&
2648                     !rt2x00_rt(rt2x00dev, RT5392)) {
2649                         if (test_bit(CAPABILITY_EXTERNAL_LNA_BG,
2650                                      &rt2x00dev->cap_flags)) {
2651                                 rt2800_bbp_write(rt2x00dev, 82, 0x62);
2652                                 rt2800_bbp_write(rt2x00dev, 75, 0x46);
2653                         } else {
2654                                 rt2800_bbp_write(rt2x00dev, 82, 0x84);
2655                                 rt2800_bbp_write(rt2x00dev, 75, 0x50);
2656                         }
2657                 }
2658         } else {
2659                 if (rt2x00_rt(rt2x00dev, RT3572))
2660                         rt2800_bbp_write(rt2x00dev, 82, 0x94);
2661                 else
2662                         rt2800_bbp_write(rt2x00dev, 82, 0xf2);
2663
2664                 if (test_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags))
2665                         rt2800_bbp_write(rt2x00dev, 75, 0x46);
2666                 else
2667                         rt2800_bbp_write(rt2x00dev, 75, 0x50);
2668         }
2669
2670         rt2800_register_read(rt2x00dev, TX_BAND_CFG, &reg);
2671         rt2x00_set_field32(&reg, TX_BAND_CFG_HT40_MINUS, conf_is_ht40_minus(conf));
2672         rt2x00_set_field32(&reg, TX_BAND_CFG_A, rf->channel > 14);
2673         rt2x00_set_field32(&reg, TX_BAND_CFG_BG, rf->channel <= 14);
2674         rt2800_register_write(rt2x00dev, TX_BAND_CFG, reg);
2675
2676         if (rt2x00_rt(rt2x00dev, RT3572))
2677                 rt2800_rfcsr_write(rt2x00dev, 8, 0);
2678
2679         tx_pin = 0;
2680
2681         switch (rt2x00dev->default_ant.tx_chain_num) {
2682         case 3:
2683                 /* Turn on tertiary PAs */
2684                 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A2_EN,
2685                                    rf->channel > 14);
2686                 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G2_EN,
2687                                    rf->channel <= 14);
2688                 /* fall-through */
2689         case 2:
2690                 /* Turn on secondary PAs */
2691                 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN,
2692                                    rf->channel > 14);
2693                 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN,
2694                                    rf->channel <= 14);
2695                 /* fall-through */
2696         case 1:
2697                 /* Turn on primary PAs */
2698                 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN,
2699                                    rf->channel > 14);
2700                 if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags))
2701                         rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
2702                 else
2703                         rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN,
2704                                            rf->channel <= 14);
2705                 break;
2706         }
2707
2708         switch (rt2x00dev->default_ant.rx_chain_num) {
2709         case 3:
2710                 /* Turn on tertiary LNAs */
2711                 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A2_EN, 1);
2712                 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G2_EN, 1);
2713                 /* fall-through */
2714         case 2:
2715                 /* Turn on secondary LNAs */
2716                 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
2717                 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
2718                 /* fall-through */
2719         case 1:
2720                 /* Turn on primary LNAs */
2721                 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
2722                 rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
2723                 break;
2724         }
2725
2726         rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
2727         rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
2728
2729         rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
2730
2731         if (rt2x00_rt(rt2x00dev, RT3572))
2732                 rt2800_rfcsr_write(rt2x00dev, 8, 0x80);
2733
2734         if (rt2x00_rt(rt2x00dev, RT5592)) {
2735                 rt2800_bbp_write(rt2x00dev, 195, 141);
2736                 rt2800_bbp_write(rt2x00dev, 196, conf_is_ht40(conf) ? 0x10 : 0x1a);
2737
2738                 /* AGC init */
2739                 reg = (rf->channel <= 14 ? 0x1c : 0x24) + 2 * rt2x00dev->lna_gain;
2740                 rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
2741
2742                 rt2800_iq_calibrate(rt2x00dev, rf->channel);
2743         }
2744
2745         rt2800_bbp_read(rt2x00dev, 4, &bbp);
2746         rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
2747         rt2800_bbp_write(rt2x00dev, 4, bbp);
2748
2749         rt2800_bbp_read(rt2x00dev, 3, &bbp);
2750         rt2x00_set_field8(&bbp, BBP3_HT40_MINUS, conf_is_ht40_minus(conf));
2751         rt2800_bbp_write(rt2x00dev, 3, bbp);
2752
2753         if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
2754                 if (conf_is_ht40(conf)) {
2755                         rt2800_bbp_write(rt2x00dev, 69, 0x1a);
2756                         rt2800_bbp_write(rt2x00dev, 70, 0x0a);
2757                         rt2800_bbp_write(rt2x00dev, 73, 0x16);
2758                 } else {
2759                         rt2800_bbp_write(rt2x00dev, 69, 0x16);
2760                         rt2800_bbp_write(rt2x00dev, 70, 0x08);
2761                         rt2800_bbp_write(rt2x00dev, 73, 0x11);
2762                 }
2763         }
2764
2765         msleep(1);
2766
2767         /*
2768          * Clear channel statistic counters
2769          */
2770         rt2800_register_read(rt2x00dev, CH_IDLE_STA, &reg);
2771         rt2800_register_read(rt2x00dev, CH_BUSY_STA, &reg);
2772         rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC, &reg);
2773
2774         /*
2775          * Clear update flag
2776          */
2777         if (rt2x00_rt(rt2x00dev, RT3352)) {
2778                 rt2800_bbp_read(rt2x00dev, 49, &bbp);
2779                 rt2x00_set_field8(&bbp, BBP49_UPDATE_FLAG, 0);
2780                 rt2800_bbp_write(rt2x00dev, 49, bbp);
2781         }
2782 }
2783
2784 static int rt2800_get_gain_calibration_delta(struct rt2x00_dev *rt2x00dev)
2785 {
2786         u8 tssi_bounds[9];
2787         u8 current_tssi;
2788         u16 eeprom;
2789         u8 step;
2790         int i;
2791
2792         /*
2793          * Read TSSI boundaries for temperature compensation from
2794          * the EEPROM.
2795          *
2796          * Array idx               0    1    2    3    4    5    6    7    8
2797          * Matching Delta value   -4   -3   -2   -1    0   +1   +2   +3   +4
2798          * Example TSSI bounds  0xF0 0xD0 0xB5 0xA0 0x88 0x45 0x25 0x15 0x00
2799          */
2800         if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
2801                 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG1, &eeprom);
2802                 tssi_bounds[0] = rt2x00_get_field16(eeprom,
2803                                         EEPROM_TSSI_BOUND_BG1_MINUS4);
2804                 tssi_bounds[1] = rt2x00_get_field16(eeprom,
2805                                         EEPROM_TSSI_BOUND_BG1_MINUS3);
2806
2807                 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG2, &eeprom);
2808                 tssi_bounds[2] = rt2x00_get_field16(eeprom,
2809                                         EEPROM_TSSI_BOUND_BG2_MINUS2);
2810                 tssi_bounds[3] = rt2x00_get_field16(eeprom,
2811                                         EEPROM_TSSI_BOUND_BG2_MINUS1);
2812
2813                 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG3, &eeprom);
2814                 tssi_bounds[4] = rt2x00_get_field16(eeprom,
2815                                         EEPROM_TSSI_BOUND_BG3_REF);
2816                 tssi_bounds[5] = rt2x00_get_field16(eeprom,
2817                                         EEPROM_TSSI_BOUND_BG3_PLUS1);
2818
2819                 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG4, &eeprom);
2820                 tssi_bounds[6] = rt2x00_get_field16(eeprom,
2821                                         EEPROM_TSSI_BOUND_BG4_PLUS2);
2822                 tssi_bounds[7] = rt2x00_get_field16(eeprom,
2823                                         EEPROM_TSSI_BOUND_BG4_PLUS3);
2824
2825                 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG5, &eeprom);
2826                 tssi_bounds[8] = rt2x00_get_field16(eeprom,
2827                                         EEPROM_TSSI_BOUND_BG5_PLUS4);
2828
2829                 step = rt2x00_get_field16(eeprom,
2830                                           EEPROM_TSSI_BOUND_BG5_AGC_STEP);
2831         } else {
2832                 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A1, &eeprom);
2833                 tssi_bounds[0] = rt2x00_get_field16(eeprom,
2834                                         EEPROM_TSSI_BOUND_A1_MINUS4);
2835                 tssi_bounds[1] = rt2x00_get_field16(eeprom,
2836                                         EEPROM_TSSI_BOUND_A1_MINUS3);
2837
2838                 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A2, &eeprom);
2839                 tssi_bounds[2] = rt2x00_get_field16(eeprom,
2840                                         EEPROM_TSSI_BOUND_A2_MINUS2);
2841                 tssi_bounds[3] = rt2x00_get_field16(eeprom,
2842                                         EEPROM_TSSI_BOUND_A2_MINUS1);
2843
2844                 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A3, &eeprom);
2845                 tssi_bounds[4] = rt2x00_get_field16(eeprom,
2846                                         EEPROM_TSSI_BOUND_A3_REF);
2847                 tssi_bounds[5] = rt2x00_get_field16(eeprom,
2848                                         EEPROM_TSSI_BOUND_A3_PLUS1);
2849
2850                 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A4, &eeprom);
2851                 tssi_bounds[6] = rt2x00_get_field16(eeprom,
2852                                         EEPROM_TSSI_BOUND_A4_PLUS2);
2853                 tssi_bounds[7] = rt2x00_get_field16(eeprom,
2854                                         EEPROM_TSSI_BOUND_A4_PLUS3);
2855
2856                 rt2x00_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A5, &eeprom);
2857                 tssi_bounds[8] = rt2x00_get_field16(eeprom,
2858                                         EEPROM_TSSI_BOUND_A5_PLUS4);
2859
2860                 step = rt2x00_get_field16(eeprom,
2861                                           EEPROM_TSSI_BOUND_A5_AGC_STEP);
2862         }
2863
2864         /*
2865          * Check if temperature compensation is supported.
2866          */
2867         if (tssi_bounds[4] == 0xff || step == 0xff)
2868                 return 0;
2869
2870         /*
2871          * Read current TSSI (BBP 49).
2872          */
2873         rt2800_bbp_read(rt2x00dev, 49, &current_tssi);
2874
2875         /*
2876          * Compare TSSI value (BBP49) with the compensation boundaries
2877          * from the EEPROM and increase or decrease tx power.
2878          */
2879         for (i = 0; i <= 3; i++) {
2880                 if (current_tssi > tssi_bounds[i])
2881                         break;
2882         }
2883
2884         if (i == 4) {
2885                 for (i = 8; i >= 5; i--) {
2886                         if (current_tssi < tssi_bounds[i])
2887                                 break;
2888                 }
2889         }
2890
2891         return (i - 4) * step;
2892 }
2893
2894 static int rt2800_get_txpower_bw_comp(struct rt2x00_dev *rt2x00dev,
2895                                       enum ieee80211_band band)
2896 {
2897         u16 eeprom;
2898         u8 comp_en;
2899         u8 comp_type;
2900         int comp_value = 0;
2901
2902         rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_DELTA, &eeprom);
2903
2904         /*
2905          * HT40 compensation not required.
2906          */
2907         if (eeprom == 0xffff ||
2908             !test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
2909                 return 0;
2910
2911         if (band == IEEE80211_BAND_2GHZ) {
2912                 comp_en = rt2x00_get_field16(eeprom,
2913                                  EEPROM_TXPOWER_DELTA_ENABLE_2G);
2914                 if (comp_en) {
2915                         comp_type = rt2x00_get_field16(eeprom,
2916                                            EEPROM_TXPOWER_DELTA_TYPE_2G);
2917                         comp_value = rt2x00_get_field16(eeprom,
2918                                             EEPROM_TXPOWER_DELTA_VALUE_2G);
2919                         if (!comp_type)
2920                                 comp_value = -comp_value;
2921                 }
2922         } else {
2923                 comp_en = rt2x00_get_field16(eeprom,
2924                                  EEPROM_TXPOWER_DELTA_ENABLE_5G);
2925                 if (comp_en) {
2926                         comp_type = rt2x00_get_field16(eeprom,
2927                                            EEPROM_TXPOWER_DELTA_TYPE_5G);
2928                         comp_value = rt2x00_get_field16(eeprom,
2929                                             EEPROM_TXPOWER_DELTA_VALUE_5G);
2930                         if (!comp_type)
2931                                 comp_value = -comp_value;
2932                 }
2933         }
2934
2935         return comp_value;
2936 }
2937
2938 static int rt2800_get_txpower_reg_delta(struct rt2x00_dev *rt2x00dev,
2939                                         int power_level, int max_power)
2940 {
2941         int delta;
2942
2943         if (test_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags))
2944                 return 0;
2945
2946         /*
2947          * XXX: We don't know the maximum transmit power of our hardware since
2948          * the EEPROM doesn't expose it. We only know that we are calibrated
2949          * to 100% tx power.
2950          *
2951          * Hence, we assume the regulatory limit that cfg80211 calulated for
2952          * the current channel is our maximum and if we are requested to lower
2953          * the value we just reduce our tx power accordingly.
2954          */
2955         delta = power_level - max_power;
2956         return min(delta, 0);
2957 }
2958
2959 static u8 rt2800_compensate_txpower(struct rt2x00_dev *rt2x00dev, int is_rate_b,
2960                                    enum ieee80211_band band, int power_level,
2961                                    u8 txpower, int delta)
2962 {
2963         u16 eeprom;
2964         u8 criterion;
2965         u8 eirp_txpower;
2966         u8 eirp_txpower_criterion;
2967         u8 reg_limit;
2968
2969         if (test_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags)) {
2970                 /*
2971                  * Check if eirp txpower exceed txpower_limit.
2972                  * We use OFDM 6M as criterion and its eirp txpower
2973                  * is stored at EEPROM_EIRP_MAX_TX_POWER.
2974                  * .11b data rate need add additional 4dbm
2975                  * when calculating eirp txpower.
2976                  */
2977                 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_BYRATE + 1,
2978                                    &eeprom);
2979                 criterion = rt2x00_get_field16(eeprom,
2980                                                EEPROM_TXPOWER_BYRATE_RATE0);
2981
2982                 rt2x00_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER,
2983                                    &eeprom);
2984
2985                 if (band == IEEE80211_BAND_2GHZ)
2986                         eirp_txpower_criterion = rt2x00_get_field16(eeprom,
2987                                                  EEPROM_EIRP_MAX_TX_POWER_2GHZ);
2988                 else
2989                         eirp_txpower_criterion = rt2x00_get_field16(eeprom,
2990                                                  EEPROM_EIRP_MAX_TX_POWER_5GHZ);
2991
2992                 eirp_txpower = eirp_txpower_criterion + (txpower - criterion) +
2993                                (is_rate_b ? 4 : 0) + delta;
2994
2995                 reg_limit = (eirp_txpower > power_level) ?
2996                                         (eirp_txpower - power_level) : 0;
2997         } else
2998                 reg_limit = 0;
2999
3000         txpower = max(0, txpower + delta - reg_limit);
3001         return min_t(u8, txpower, 0xc);
3002 }
3003
3004 /*
3005  * We configure transmit power using MAC TX_PWR_CFG_{0,...,N} registers and
3006  * BBP R1 register. TX_PWR_CFG_X allow to configure per rate TX power values,
3007  * 4 bits for each rate (tune from 0 to 15 dBm). BBP_R1 controls transmit power
3008  * for all rates, but allow to set only 4 discrete values: -12, -6, 0 and 6 dBm.
3009  * Reference per rate transmit power values are located in the EEPROM at
3010  * EEPROM_TXPOWER_BYRATE offset. We adjust them and BBP R1 settings according to
3011  * current conditions (i.e. band, bandwidth, temperature, user settings).
3012  */
3013 static void rt2800_config_txpower(struct rt2x00_dev *rt2x00dev,
3014                                   struct ieee80211_channel *chan,
3015                                   int power_level)
3016 {
3017         u8 txpower, r1;
3018         u16 eeprom;
3019         u32 reg, offset;
3020         int i, is_rate_b, delta, power_ctrl;
3021         enum ieee80211_band band = chan->band;
3022
3023         /*
3024          * Calculate HT40 compensation. For 40MHz we need to add or subtract
3025          * value read from EEPROM (different for 2GHz and for 5GHz).
3026          */
3027         delta = rt2800_get_txpower_bw_comp(rt2x00dev, band);
3028
3029         /*
3030          * Calculate temperature compensation. Depends on measurement of current
3031          * TSSI (Transmitter Signal Strength Indication) we know TX power (due
3032          * to temperature or maybe other factors) is smaller or bigger than
3033          * expected. We adjust it, based on TSSI reference and boundaries values
3034          * provided in EEPROM.
3035          */
3036         delta += rt2800_get_gain_calibration_delta(rt2x00dev);
3037
3038         /*
3039          * Decrease power according to user settings, on devices with unknown
3040          * maximum tx power. For other devices we take user power_level into
3041          * consideration on rt2800_compensate_txpower().
3042          */
3043         delta += rt2800_get_txpower_reg_delta(rt2x00dev, power_level,
3044                                               chan->max_power);
3045
3046         /*
3047          * BBP_R1 controls TX power for all rates, it allow to set the following
3048          * gains -12, -6, 0, +6 dBm by setting values 2, 1, 0, 3 respectively.
3049          *
3050          * TODO: we do not use +6 dBm option to do not increase power beyond
3051          * regulatory limit, however this could be utilized for devices with
3052          * CAPABILITY_POWER_LIMIT.
3053          *
3054          * TODO: add different temperature compensation code for RT3290 & RT5390
3055          * to allow to use BBP_R1 for those chips.
3056          */
3057         if (!rt2x00_rt(rt2x00dev, RT3290) &&
3058             !rt2x00_rt(rt2x00dev, RT5390)) {
3059                 rt2800_bbp_read(rt2x00dev, 1, &r1);
3060                 if (delta <= -12) {
3061                         power_ctrl = 2;
3062                         delta += 12;
3063                 } else if (delta <= -6) {
3064                         power_ctrl = 1;
3065                         delta += 6;
3066                 } else {
3067                         power_ctrl = 0;
3068                 }
3069                 rt2x00_set_field8(&r1, BBP1_TX_POWER_CTRL, power_ctrl);
3070                 rt2800_bbp_write(rt2x00dev, 1, r1);
3071         }
3072
3073         offset = TX_PWR_CFG_0;
3074
3075         for (i = 0; i < EEPROM_TXPOWER_BYRATE_SIZE; i += 2) {
3076                 /* just to be safe */
3077                 if (offset > TX_PWR_CFG_4)
3078                         break;
3079
3080                 rt2800_register_read(rt2x00dev, offset, &reg);
3081
3082                 /* read the next four txpower values */
3083                 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_BYRATE + i,
3084                                    &eeprom);
3085
3086                 is_rate_b = i ? 0 : 1;
3087                 /*
3088                  * TX_PWR_CFG_0: 1MBS, TX_PWR_CFG_1: 24MBS,
3089                  * TX_PWR_CFG_2: MCS4, TX_PWR_CFG_3: MCS12,
3090                  * TX_PWR_CFG_4: unknown
3091                  */
3092                 txpower = rt2x00_get_field16(eeprom,
3093                                              EEPROM_TXPOWER_BYRATE_RATE0);
3094                 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
3095                                              power_level, txpower, delta);
3096                 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE0, txpower);
3097
3098                 /*
3099                  * TX_PWR_CFG_0: 2MBS, TX_PWR_CFG_1: 36MBS,
3100                  * TX_PWR_CFG_2: MCS5, TX_PWR_CFG_3: MCS13,
3101                  * TX_PWR_CFG_4: unknown
3102                  */
3103                 txpower = rt2x00_get_field16(eeprom,
3104                                              EEPROM_TXPOWER_BYRATE_RATE1);
3105                 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
3106                                              power_level, txpower, delta);
3107                 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE1, txpower);
3108
3109                 /*
3110                  * TX_PWR_CFG_0: 5.5MBS, TX_PWR_CFG_1: 48MBS,
3111                  * TX_PWR_CFG_2: MCS6,  TX_PWR_CFG_3: MCS14,
3112                  * TX_PWR_CFG_4: unknown
3113                  */
3114                 txpower = rt2x00_get_field16(eeprom,
3115                                              EEPROM_TXPOWER_BYRATE_RATE2);
3116                 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
3117                                              power_level, txpower, delta);
3118                 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE2, txpower);
3119
3120                 /*
3121                  * TX_PWR_CFG_0: 11MBS, TX_PWR_CFG_1: 54MBS,
3122                  * TX_PWR_CFG_2: MCS7,  TX_PWR_CFG_3: MCS15,
3123                  * TX_PWR_CFG_4: unknown
3124                  */
3125                 txpower = rt2x00_get_field16(eeprom,
3126                                              EEPROM_TXPOWER_BYRATE_RATE3);
3127                 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
3128                                              power_level, txpower, delta);
3129                 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE3, txpower);
3130
3131                 /* read the next four txpower values */
3132                 rt2x00_eeprom_read(rt2x00dev, EEPROM_TXPOWER_BYRATE + i + 1,
3133                                    &eeprom);
3134
3135                 is_rate_b = 0;
3136                 /*
3137                  * TX_PWR_CFG_0: 6MBS, TX_PWR_CFG_1: MCS0,
3138                  * TX_PWR_CFG_2: MCS8, TX_PWR_CFG_3: unknown,
3139                  * TX_PWR_CFG_4: unknown
3140                  */
3141                 txpower = rt2x00_get_field16(eeprom,
3142                                              EEPROM_TXPOWER_BYRATE_RATE0);
3143                 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
3144                                              power_level, txpower, delta);
3145                 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE4, txpower);
3146
3147                 /*
3148                  * TX_PWR_CFG_0: 9MBS, TX_PWR_CFG_1: MCS1,
3149                  * TX_PWR_CFG_2: MCS9, TX_PWR_CFG_3: unknown,
3150                  * TX_PWR_CFG_4: unknown
3151                  */
3152                 txpower = rt2x00_get_field16(eeprom,
3153                                              EEPROM_TXPOWER_BYRATE_RATE1);
3154                 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
3155                                              power_level, txpower, delta);
3156                 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE5, txpower);
3157
3158                 /*
3159                  * TX_PWR_CFG_0: 12MBS, TX_PWR_CFG_1: MCS2,
3160                  * TX_PWR_CFG_2: MCS10, TX_PWR_CFG_3: unknown,
3161                  * TX_PWR_CFG_4: unknown
3162                  */
3163                 txpower = rt2x00_get_field16(eeprom,
3164                                              EEPROM_TXPOWER_BYRATE_RATE2);
3165                 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
3166                                              power_level, txpower, delta);
3167                 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE6, txpower);
3168
3169                 /*
3170                  * TX_PWR_CFG_0: 18MBS, TX_PWR_CFG_1: MCS3,
3171                  * TX_PWR_CFG_2: MCS11, TX_PWR_CFG_3: unknown,
3172                  * TX_PWR_CFG_4: unknown
3173                  */
3174                 txpower = rt2x00_get_field16(eeprom,
3175                                              EEPROM_TXPOWER_BYRATE_RATE3);
3176                 txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
3177                                              power_level, txpower, delta);
3178                 rt2x00_set_field32(&reg, TX_PWR_CFG_RATE7, txpower);
3179
3180                 rt2800_register_write(rt2x00dev, offset, reg);
3181
3182                 /* next TX_PWR_CFG register */
3183                 offset += 4;
3184         }
3185 }
3186
3187 void rt2800_gain_calibration(struct rt2x00_dev *rt2x00dev)
3188 {
3189         rt2800_config_txpower(rt2x00dev, rt2x00dev->hw->conf.chandef.chan,
3190                               rt2x00dev->tx_power);
3191 }
3192 EXPORT_SYMBOL_GPL(rt2800_gain_calibration);
3193
3194 void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev)
3195 {
3196         u32     tx_pin;
3197         u8      rfcsr;
3198
3199         /*
3200          * A voltage-controlled oscillator(VCO) is an electronic oscillator
3201          * designed to be controlled in oscillation frequency by a voltage
3202          * input. Maybe the temperature will affect the frequency of
3203          * oscillation to be shifted. The VCO calibration will be called
3204          * periodically to adjust the frequency to be precision.
3205         */
3206
3207         rt2800_register_read(rt2x00dev, TX_PIN_CFG, &tx_pin);
3208         tx_pin &= TX_PIN_CFG_PA_PE_DISABLE;
3209         rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
3210
3211         switch (rt2x00dev->chip.rf) {
3212         case RF2020:
3213         case RF3020:
3214         case RF3021:
3215         case RF3022:
3216         case RF3320:
3217         case RF3052:
3218                 rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
3219                 rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
3220                 rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
3221                 break;
3222         case RF3290:
3223         case RF5360:
3224         case RF5370:
3225         case RF5372:
3226         case RF5390:
3227         case RF5392:
3228                 rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
3229                 rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
3230                 rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
3231                 break;
3232         default:
3233                 return;
3234         }
3235
3236         mdelay(1);
3237
3238         rt2800_register_read(rt2x00dev, TX_PIN_CFG, &tx_pin);
3239         if (rt2x00dev->rf_channel <= 14) {
3240                 switch (rt2x00dev->default_ant.tx_chain_num) {
3241                 case 3:
3242                         rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G2_EN, 1);
3243                         /* fall through */
3244                 case 2:
3245                         rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
3246                         /* fall through */
3247                 case 1:
3248                 default:
3249                         rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
3250                         break;
3251                 }
3252         } else {
3253                 switch (rt2x00dev->default_ant.tx_chain_num) {
3254                 case 3:
3255                         rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A2_EN, 1);
3256                         /* fall through */
3257                 case 2:
3258                         rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1);
3259                         /* fall through */
3260                 case 1:
3261                 default:
3262                         rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, 1);
3263                         break;
3264                 }
3265         }
3266         rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
3267
3268 }
3269 EXPORT_SYMBOL_GPL(rt2800_vco_calibration);
3270
3271 static void rt2800_config_retry_limit(struct rt2x00_dev *rt2x00dev,
3272                                       struct rt2x00lib_conf *libconf)
3273 {
3274         u32 reg;
3275
3276         rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
3277         rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT,
3278                            libconf->conf->short_frame_max_tx_count);
3279         rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT,
3280                            libconf->conf->long_frame_max_tx_count);
3281         rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
3282 }
3283
3284 static void rt2800_config_ps(struct rt2x00_dev *rt2x00dev,
3285                              struct rt2x00lib_conf *libconf)
3286 {
3287         enum dev_state state =
3288             (libconf->conf->flags & IEEE80211_CONF_PS) ?
3289                 STATE_SLEEP : STATE_AWAKE;
3290         u32 reg;
3291
3292         if (state == STATE_SLEEP) {
3293                 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
3294
3295                 rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
3296                 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5);
3297                 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE,
3298                                    libconf->conf->listen_interval - 1);
3299                 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 1);
3300                 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
3301
3302                 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
3303         } else {
3304                 rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
3305                 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0);
3306                 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0);
3307                 rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 0);
3308                 rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
3309
3310                 rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
3311         }
3312 }
3313
3314 void rt2800_config(struct rt2x00_dev *rt2x00dev,
3315                    struct rt2x00lib_conf *libconf,
3316                    const unsigned int flags)
3317 {
3318         /* Always recalculate LNA gain before changing configuration */
3319         rt2800_config_lna_gain(rt2x00dev, libconf);
3320
3321         if (flags & IEEE80211_CONF_CHANGE_CHANNEL) {
3322                 rt2800_config_channel(rt2x00dev, libconf->conf,
3323                                       &libconf->rf, &libconf->channel);
3324                 rt2800_config_txpower(rt2x00dev, libconf->conf->chandef.chan,
3325                                       libconf->conf->power_level);
3326         }
3327         if (flags & IEEE80211_CONF_CHANGE_POWER)
3328                 rt2800_config_txpower(rt2x00dev, libconf->conf->chandef.chan,
3329                                       libconf->conf->power_level);
3330         if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
3331                 rt2800_config_retry_limit(rt2x00dev, libconf);
3332         if (flags & IEEE80211_CONF_CHANGE_PS)
3333                 rt2800_config_ps(rt2x00dev, libconf);
3334 }
3335 EXPORT_SYMBOL_GPL(rt2800_config);
3336
3337 /*
3338  * Link tuning
3339  */
3340 void rt2800_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
3341 {
3342         u32 reg;
3343
3344         /*
3345          * Update FCS error count from register.
3346          */
3347         rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
3348         qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR);
3349 }
3350 EXPORT_SYMBOL_GPL(rt2800_link_stats);
3351
3352 static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
3353 {
3354         u8 vgc;
3355
3356         if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
3357                 if (rt2x00_rt(rt2x00dev, RT3070) ||
3358                     rt2x00_rt(rt2x00dev, RT3071) ||
3359                     rt2x00_rt(rt2x00dev, RT3090) ||
3360                     rt2x00_rt(rt2x00dev, RT3290) ||
3361                     rt2x00_rt(rt2x00dev, RT3390) ||
3362                     rt2x00_rt(rt2x00dev, RT3572) ||
3363                     rt2x00_rt(rt2x00dev, RT5390) ||
3364                     rt2x00_rt(rt2x00dev, RT5392) ||
3365                     rt2x00_rt(rt2x00dev, RT5592))
3366                         vgc = 0x1c + (2 * rt2x00dev->lna_gain);
3367                 else
3368                         vgc = 0x2e + rt2x00dev->lna_gain;
3369         } else { /* 5GHZ band */
3370                 if (rt2x00_rt(rt2x00dev, RT3572))
3371                         vgc = 0x22 + (rt2x00dev->lna_gain * 5) / 3;
3372                 else if (rt2x00_rt(rt2x00dev, RT5592))
3373                         vgc = 0x24 + (2 * rt2x00dev->lna_gain);
3374                 else {
3375                         if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
3376                                 vgc = 0x32 + (rt2x00dev->lna_gain * 5) / 3;
3377                         else
3378                                 vgc = 0x3a + (rt2x00dev->lna_gain * 5) / 3;
3379                 }
3380         }
3381
3382         return vgc;
3383 }
3384
3385 static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev,
3386                                   struct link_qual *qual, u8 vgc_level)
3387 {
3388         if (qual->vgc_level != vgc_level) {
3389                 if (rt2x00_rt(rt2x00dev, RT5592)) {
3390                         rt2800_bbp_write(rt2x00dev, 83, qual->rssi > -65 ? 0x4a : 0x7a);
3391                         rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, vgc_level);
3392                 } else
3393                         rt2800_bbp_write(rt2x00dev, 66, vgc_level);
3394                 qual->vgc_level = vgc_level;
3395                 qual->vgc_level_reg = vgc_level;
3396         }
3397 }
3398
3399 void rt2800_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
3400 {
3401         rt2800_set_vgc(rt2x00dev, qual, rt2800_get_default_vgc(rt2x00dev));
3402 }
3403 EXPORT_SYMBOL_GPL(rt2800_reset_tuner);
3404
3405 void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
3406                        const u32 count)
3407 {
3408         u8 vgc;
3409
3410         if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C))
3411                 return;
3412         /*
3413          * When RSSI is better then -80 increase VGC level with 0x10, except
3414          * for rt5592 chip.
3415          */
3416
3417         vgc = rt2800_get_default_vgc(rt2x00dev);
3418
3419         if (rt2x00_rt(rt2x00dev, RT5592) && qual->rssi > -65)
3420                 vgc += 0x20;
3421         else if (qual->rssi > -80)
3422                 vgc += 0x10;
3423
3424         rt2800_set_vgc(rt2x00dev, qual, vgc);
3425 }
3426 EXPORT_SYMBOL_GPL(rt2800_link_tuner);
3427
3428 /*
3429  * Initialization functions.
3430  */
3431 static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
3432 {
3433         u32 reg;
3434         u16 eeprom;
3435         unsigned int i;
3436         int ret;
3437
3438         rt2800_disable_wpdma(rt2x00dev);
3439
3440         ret = rt2800_drv_init_registers(rt2x00dev);
3441         if (ret)
3442                 return ret;
3443
3444         rt2800_register_read(rt2x00dev, BCN_OFFSET0, &reg);
3445         rt2x00_set_field32(&reg, BCN_OFFSET0_BCN0, 0xe0); /* 0x3800 */
3446         rt2x00_set_field32(&reg, BCN_OFFSET0_BCN1, 0xe8); /* 0x3a00 */
3447         rt2x00_set_field32(&reg, BCN_OFFSET0_BCN2, 0xf0); /* 0x3c00 */
3448         rt2x00_set_field32(&reg, BCN_OFFSET0_BCN3, 0xf8); /* 0x3e00 */
3449         rt2800_register_write(rt2x00dev, BCN_OFFSET0, reg);
3450
3451         rt2800_register_read(rt2x00dev, BCN_OFFSET1, &reg);
3452         rt2x00_set_field32(&reg, BCN_OFFSET1_BCN4, 0xc8); /* 0x3200 */
3453         rt2x00_set_field32(&reg, BCN_OFFSET1_BCN5, 0xd0); /* 0x3400 */
3454         rt2x00_set_field32(&reg, BCN_OFFSET1_BCN6, 0x77); /* 0x1dc0 */
3455         rt2x00_set_field32(&reg, BCN_OFFSET1_BCN7, 0x6f); /* 0x1bc0 */
3456         rt2800_register_write(rt2x00dev, BCN_OFFSET1, reg);
3457
3458         rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
3459         rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
3460
3461         rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
3462
3463         rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
3464         rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 1600);
3465         rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
3466         rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, 0);
3467         rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
3468         rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
3469         rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
3470         rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
3471
3472         rt2800_config_filter(rt2x00dev, FIF_ALLMULTI);
3473
3474         rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
3475         rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME, 9);
3476         rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
3477         rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
3478
3479         if (rt2x00_rt(rt2x00dev, RT3290)) {
3480                 rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, &reg);
3481                 if (rt2x00_get_field32(reg, WLAN_EN) == 1) {
3482                         rt2x00_set_field32(&reg, PCIE_APP0_CLK_REQ, 1);
3483                         rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
3484                 }
3485
3486                 rt2800_register_read(rt2x00dev, CMB_CTRL, &reg);
3487                 if (!(rt2x00_get_field32(reg, LDO0_EN) == 1)) {
3488                         rt2x00_set_field32(&reg, LDO0_EN, 1);
3489                         rt2x00_set_field32(&reg, LDO_BGSEL, 3);
3490                         rt2800_register_write(rt2x00dev, CMB_CTRL, reg);
3491                 }
3492
3493                 rt2800_register_read(rt2x00dev, OSC_CTRL, &reg);
3494                 rt2x00_set_field32(&reg, OSC_ROSC_EN, 1);
3495                 rt2x00_set_field32(&reg, OSC_CAL_REQ, 1);
3496                 rt2x00_set_field32(&reg, OSC_REF_CYCLE, 0x27);
3497                 rt2800_register_write(rt2x00dev, OSC_CTRL, reg);
3498
3499                 rt2800_register_read(rt2x00dev, COEX_CFG0, &reg);
3500                 rt2x00_set_field32(&reg, COEX_CFG_ANT, 0x5e);
3501                 rt2800_register_write(rt2x00dev, COEX_CFG0, reg);
3502
3503                 rt2800_register_read(rt2x00dev, COEX_CFG2, &reg);
3504                 rt2x00_set_field32(&reg, BT_COEX_CFG1, 0x00);
3505                 rt2x00_set_field32(&reg, BT_COEX_CFG0, 0x17);
3506                 rt2x00_set_field32(&reg, WL_COEX_CFG1, 0x93);
3507                 rt2x00_set_field32(&reg, WL_COEX_CFG0, 0x7f);
3508                 rt2800_register_write(rt2x00dev, COEX_CFG2, reg);
3509
3510                 rt2800_register_read(rt2x00dev, PLL_CTRL, &reg);
3511                 rt2x00_set_field32(&reg, PLL_CONTROL, 1);
3512                 rt2800_register_write(rt2x00dev, PLL_CTRL, reg);
3513         }
3514
3515         if (rt2x00_rt(rt2x00dev, RT3071) ||
3516             rt2x00_rt(rt2x00dev, RT3090) ||
3517             rt2x00_rt(rt2x00dev, RT3290) ||
3518             rt2x00_rt(rt2x00dev, RT3390)) {
3519
3520                 if (rt2x00_rt(rt2x00dev, RT3290))
3521                         rt2800_register_write(rt2x00dev, TX_SW_CFG0,
3522                                               0x00000404);
3523                 else
3524                         rt2800_register_write(rt2x00dev, TX_SW_CFG0,
3525                                               0x00000400);
3526
3527                 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
3528                 if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
3529                     rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
3530                     rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
3531                         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
3532                         if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST))
3533                                 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
3534                                                       0x0000002c);
3535                         else
3536                                 rt2800_register_write(rt2x00dev, TX_SW_CFG2,
3537                                                       0x0000000f);
3538                 } else {
3539                         rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
3540                 }
3541         } else if (rt2x00_rt(rt2x00dev, RT3070)) {
3542                 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
3543
3544                 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
3545                         rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
3546                         rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000002c);
3547                 } else {
3548                         rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
3549                         rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
3550                 }
3551         } else if (rt2800_is_305x_soc(rt2x00dev)) {
3552                 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
3553                 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
3554                 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000030);
3555         } else if (rt2x00_rt(rt2x00dev, RT3352)) {
3556                 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000402);
3557                 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
3558                 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
3559         } else if (rt2x00_rt(rt2x00dev, RT3572)) {
3560                 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
3561                 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
3562         } else if (rt2x00_rt(rt2x00dev, RT5390) ||
3563                    rt2x00_rt(rt2x00dev, RT5392) ||
3564                    rt2x00_rt(rt2x00dev, RT5592)) {
3565                 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404);
3566                 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
3567                 rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
3568         } else {
3569                 rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
3570                 rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
3571         }
3572
3573         rt2800_register_read(rt2x00dev, TX_LINK_CFG, &reg);
3574         rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
3575         rt2x00_set_field32(&reg, TX_LINK_CFG_MFB_ENABLE, 0);
3576         rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
3577         rt2x00_set_field32(&reg, TX_LINK_CFG_TX_MRQ_EN, 0);
3578         rt2x00_set_field32(&reg, TX_LINK_CFG_TX_RDG_EN, 0);
3579         rt2x00_set_field32(&reg, TX_LINK_CFG_TX_CF_ACK_EN, 1);
3580         rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB, 0);
3581         rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFS, 0);
3582         rt2800_register_write(rt2x00dev, TX_LINK_CFG, reg);
3583
3584         rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
3585         rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
3586         rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 32);
3587         rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
3588         rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
3589
3590         rt2800_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
3591         rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
3592         if (rt2x00_rt_rev_gte(rt2x00dev, RT2872, REV_RT2872E) ||
3593             rt2x00_rt(rt2x00dev, RT2883) ||
3594             rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070E))
3595                 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 2);
3596         else
3597                 rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 1);
3598         rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_PSDU, 0);
3599         rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_MPDU, 0);
3600         rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg);
3601
3602         rt2800_register_read(rt2x00dev, LED_CFG, &reg);
3603         rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, 70);
3604         rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, 30);
3605         rt2x00_set_field32(&reg, LED_CFG_SLOW_BLINK_PERIOD, 3);
3606         rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, 3);
3607         rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 3);
3608         rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE, 3);
3609         rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, 1);
3610         rt2800_register_write(rt2x00dev, LED_CFG, reg);
3611
3612         rt2800_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
3613
3614         rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
3615         rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT, 15);
3616         rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT, 31);
3617         rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_THRE, 2000);
3618         rt2x00_set_field32(&reg, TX_RTY_CFG_NON_AGG_RTY_MODE, 0);
3619         rt2x00_set_field32(&reg, TX_RTY_CFG_AGG_RTY_MODE, 0);
3620         rt2x00_set_field32(&reg, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1);
3621         rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
3622
3623         rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
3624         rt2x00_set_field32(&reg, AUTO_RSP_CFG_AUTORESPONDER, 1);
3625         rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY, 1);
3626         rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MMODE, 0);
3627         rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MREF, 0);
3628         rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE, 1);
3629         rt2x00_set_field32(&reg, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
3630         rt2x00_set_field32(&reg, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
3631         rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
3632
3633         rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
3634         rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_RATE, 3);
3635         rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_CTRL, 0);
3636         rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_NAV_SHORT, 1);
3637         rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1);
3638         rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
3639         rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1);
3640         rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 0);
3641         rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
3642         rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 0);
3643         rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, 1);
3644         rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
3645
3646         rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
3647         rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_RATE, 3);
3648         rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL, 0);
3649         rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_NAV_SHORT, 1);
3650         rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1);
3651         rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
3652         rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1);
3653         rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 0);
3654         rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
3655         rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 0);
3656         rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, 1);
3657         rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
3658
3659         rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
3660         rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
3661         rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, 0);
3662         rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_NAV_SHORT, 1);
3663         rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
3664         rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
3665         rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
3666         rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
3667         rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
3668         rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
3669         rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, 0);
3670         rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
3671
3672         rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
3673         rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
3674         rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, 0);
3675         rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_NAV_SHORT, 1);
3676         rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
3677         rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
3678         rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
3679         rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
3680         rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
3681         rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
3682         rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, 0);
3683         rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
3684
3685         rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
3686         rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
3687         rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, 0);
3688         rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_NAV_SHORT, 1);
3689         rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
3690         rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
3691         rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
3692         rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
3693         rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
3694         rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
3695         rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, 0);
3696         rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
3697
3698         rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
3699         rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
3700         rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, 0);
3701         rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_NAV_SHORT, 1);
3702         rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
3703         rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
3704         rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
3705         rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
3706         rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
3707         rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
3708         rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, 0);
3709         rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
3710
3711         if (rt2x00_is_usb(rt2x00dev)) {
3712                 rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006);
3713
3714                 rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
3715                 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
3716                 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
3717                 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
3718                 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
3719                 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3);
3720                 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0);
3721                 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_BIG_ENDIAN, 0);
3722                 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0);
3723                 rt2x00_set_field32(&reg, WPDMA_GLO_CFG_HDR_SEG_LEN, 0);
3724                 rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
3725         }
3726
3727         /*
3728          * The legacy driver also sets TXOP_CTRL_CFG_RESERVED_TRUN_EN to 1
3729          * although it is reserved.
3730          */
3731         rt2800_register_read(rt2x00dev, TXOP_CTRL_CFG, &reg);
3732         rt2x00_set_field32(&reg, TXOP_CTRL_CFG_TIMEOUT_TRUN_EN, 1);
3733         rt2x00_set_field32(&reg, TXOP_CTRL_CFG_AC_TRUN_EN, 1);
3734         rt2x00_set_field32(&reg, TXOP_CTRL_CFG_TXRATEGRP_TRUN_EN, 1);
3735         rt2x00_set_field32(&reg, TXOP_CTRL_CFG_USER_MODE_TRUN_EN, 1);
3736         rt2x00_set_field32(&reg, TXOP_CTRL_CFG_MIMO_PS_TRUN_EN, 1);
3737         rt2x00_set_field32(&reg, TXOP_CTRL_CFG_RESERVED_TRUN_EN, 1);
3738         rt2x00_set_field32(&reg, TXOP_CTRL_CFG_LSIG_TXOP_EN, 0);
3739         rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CCA_EN, 0);
3740         rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CCA_DLY, 88);
3741         rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CWMIN, 0);
3742         rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, reg);
3743
3744         reg = rt2x00_rt(rt2x00dev, RT5592) ? 0x00000082 : 0x00000002;
3745         rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, reg);
3746
3747         rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
3748         rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32);
3749         rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,
3750                            IEEE80211_MAX_RTS_THRESHOLD);
3751         rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_FBK_EN, 0);
3752         rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
3753
3754         rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
3755
3756         /*
3757          * Usually the CCK SIFS time should be set to 10 and the OFDM SIFS
3758          * time should be set to 16. However, the original Ralink driver uses
3759          * 16 for both and indeed using a value of 10 for CCK SIFS results in
3760          * connection problems with 11g + CTS protection. Hence, use the same
3761          * defaults as the Ralink driver: 16 for both, CCK and OFDM SIFS.
3762          */
3763         rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
3764         rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, 16);
3765         rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, 16);
3766         rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4);
3767         rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, 314);
3768         rt2x00_set_field32(&reg, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
3769         rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
3770
3771         rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
3772
3773         /*
3774          * ASIC will keep garbage value after boot, clear encryption keys.
3775          */
3776         for (i = 0; i < 4; i++)
3777                 rt2800_register_write(rt2x00dev,
3778                                          SHARED_KEY_MODE_ENTRY(i), 0);
3779
3780         for (i = 0; i < 256; i++) {
3781                 rt2800_config_wcid(rt2x00dev, NULL, i);
3782                 rt2800_delete_wcid_attr(rt2x00dev, i);
3783                 rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
3784         }
3785
3786         /*
3787          * Clear all beacons
3788          */
3789         rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE0);
3790         rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE1);
3791         rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE2);
3792         rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE3);
3793         rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE4);
3794         rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE5);
3795         rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE6);
3796         rt2800_clear_beacon_register(rt2x00dev, HW_BEACON_BASE7);
3797
3798         if (rt2x00_is_usb(rt2x00dev)) {
3799                 rt2800_register_read(rt2x00dev, US_CYC_CNT, &reg);
3800                 rt2x00_set_field32(&reg, US_CYC_CNT_CLOCK_CYCLE, 30);
3801                 rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
3802         } else if (rt2x00_is_pcie(rt2x00dev)) {
3803                 rt2800_register_read(rt2x00dev, US_CYC_CNT, &reg);
3804                 rt2x00_set_field32(&reg, US_CYC_CNT_CLOCK_CYCLE, 125);
3805                 rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
3806         }
3807
3808         rt2800_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
3809         rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS0FBK, 0);
3810         rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS1FBK, 0);
3811         rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS2FBK, 1);
3812         rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS3FBK, 2);
3813         rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS4FBK, 3);
3814         rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS5FBK, 4);
3815         rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS6FBK, 5);
3816         rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS7FBK, 6);
3817         rt2800_register_write(rt2x00dev, HT_FBK_CFG0, reg);
3818
3819         rt2800_register_read(rt2x00dev, HT_FBK_CFG1, &reg);
3820         rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS8FBK, 8);
3821         rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS9FBK, 8);
3822         rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS10FBK, 9);
3823         rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS11FBK, 10);
3824         rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS12FBK, 11);
3825         rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS13FBK, 12);
3826         rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS14FBK, 13);
3827         rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS15FBK, 14);
3828         rt2800_register_write(rt2x00dev, HT_FBK_CFG1, reg);
3829
3830         rt2800_register_read(rt2x00dev, LG_FBK_CFG0, &reg);
3831         rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS0FBK, 8);
3832         rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS1FBK, 8);
3833         rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS2FBK, 9);
3834         rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS3FBK, 10);
3835         rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS4FBK, 11);
3836         rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS5FBK, 12);
3837         rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS6FBK, 13);
3838         rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS7FBK, 14);
3839         rt2800_register_write(rt2x00dev, LG_FBK_CFG0, reg);
3840
3841         rt2800_register_read(rt2x00dev, LG_FBK_CFG1, &reg);
3842         rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS0FBK, 0);
3843         rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS1FBK, 0);
3844         rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS2FBK, 1);
3845         rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS3FBK, 2);
3846         rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg);
3847
3848         /*
3849          * Do not force the BA window size, we use the TXWI to set it
3850          */
3851         rt2800_register_read(rt2x00dev, AMPDU_BA_WINSIZE, &reg);
3852         rt2x00_set_field32(&reg, AMPDU_BA_WINSIZE_FORCE_WINSIZE_ENABLE, 0);
3853         rt2x00_set_field32(&reg, AMPDU_BA_WINSIZE_FORCE_WINSIZE, 0);
3854         rt2800_register_write(rt2x00dev, AMPDU_BA_WINSIZE, reg);
3855
3856         /*
3857          * We must clear the error counters.
3858          * These registers are cleared on read,
3859          * so we may pass a useless variable to store the value.
3860          */
3861         rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
3862         rt2800_register_read(rt2x00dev, RX_STA_CNT1, &reg);
3863         rt2800_register_read(rt2x00dev, RX_STA_CNT2, &reg);
3864         rt2800_register_read(rt2x00dev, TX_STA_CNT0, &reg);
3865         rt2800_register_read(rt2x00dev, TX_STA_CNT1, &reg);
3866         rt2800_register_read(rt2x00dev, TX_STA_CNT2, &reg);
3867
3868         /*
3869          * Setup leadtime for pre tbtt interrupt to 6ms
3870          */
3871         rt2800_register_read(rt2x00dev, INT_TIMER_CFG, &reg);
3872         rt2x00_set_field32(&reg, INT_TIMER_CFG_PRE_TBTT_TIMER, 6 << 4);
3873         rt2800_register_write(rt2x00dev, INT_TIMER_CFG, reg);
3874
3875         /*
3876          * Set up channel statistics timer
3877          */
3878         rt2800_register_read(rt2x00dev, CH_TIME_CFG, &reg);
3879         rt2x00_set_field32(&reg, CH_TIME_CFG_EIFS_BUSY, 1);
3880         rt2x00_set_field32(&reg, CH_TIME_CFG_NAV_BUSY, 1);
3881         rt2x00_set_field32(&reg, CH_TIME_CFG_RX_BUSY, 1);
3882         rt2x00_set_field32(&reg, CH_TIME_CFG_TX_BUSY, 1);
3883         rt2x00_set_field32(&reg, CH_TIME_CFG_TMR_EN, 1);
3884         rt2800_register_write(rt2x00dev, CH_TIME_CFG, reg);
3885
3886         return 0;
3887 }
3888
3889 static int rt2800_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
3890 {
3891         unsigned int i;
3892         u32 reg;
3893
3894         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
3895                 rt2800_register_read(rt2x00dev, MAC_STATUS_CFG, &reg);
3896                 if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
3897                         return 0;
3898
3899                 udelay(REGISTER_BUSY_DELAY);
3900         }
3901
3902         rt2x00_err(rt2x00dev, "BBP/RF register access failed, aborting\n");
3903         return -EACCES;
3904 }
3905
3906 static int rt2800_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
3907 {
3908         unsigned int i;
3909         u8 value;
3910
3911         /*
3912          * BBP was enabled after firmware was loaded,
3913          * but we need to reactivate it now.
3914          */
3915         rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
3916         rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
3917         msleep(1);
3918
3919         for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
3920                 rt2800_bbp_read(rt2x00dev, 0, &value);
3921                 if ((value != 0xff) && (value != 0x00))
3922                         return 0;
3923                 udelay(REGISTER_BUSY_DELAY);
3924         }
3925
3926         rt2x00_err(rt2x00dev, "BBP register access failed, aborting\n");
3927         return -EACCES;
3928 }
3929
3930 static void rt2800_bbp4_mac_if_ctrl(struct rt2x00_dev *rt2x00dev)
3931 {
3932         u8 value;
3933
3934         rt2800_bbp_read(rt2x00dev, 4, &value);
3935         rt2x00_set_field8(&value, BBP4_MAC_IF_CTRL, 1);
3936         rt2800_bbp_write(rt2x00dev, 4, value);
3937 }
3938
3939 static void rt2800_init_freq_calibration(struct rt2x00_dev *rt2x00dev)
3940 {
3941         rt2800_bbp_write(rt2x00dev, 142, 1);
3942         rt2800_bbp_write(rt2x00dev, 143, 57);
3943 }
3944
3945 static void rt2800_init_bbp_5592_glrt(struct rt2x00_dev *rt2x00dev)
3946 {
3947         const u8 glrt_table[] = {
3948                 0xE0, 0x1F, 0X38, 0x32, 0x08, 0x28, 0x19, 0x0A, 0xFF, 0x00, /* 128 ~ 137 */
3949                 0x16, 0x10, 0x10, 0x0B, 0x36, 0x2C, 0x26, 0x24, 0x42, 0x36, /* 138 ~ 147 */
3950                 0x30, 0x2D, 0x4C, 0x46, 0x3D, 0x40, 0x3E, 0x42, 0x3D, 0x40, /* 148 ~ 157 */
3951                 0X3C, 0x34, 0x2C, 0x2F, 0x3C, 0x35, 0x2E, 0x2A, 0x49, 0x41, /* 158 ~ 167 */
3952                 0x36, 0x31, 0x30, 0x30, 0x0E, 0x0D, 0x28, 0x21, 0x1C, 0x16, /* 168 ~ 177 */
3953                 0x50, 0x4A, 0x43, 0x40, 0x10, 0x10, 0x10, 0x10, 0x00, 0x00, /* 178 ~ 187 */
3954                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 188 ~ 197 */
3955                 0x00, 0x00, 0x7D, 0x14, 0x32, 0x2C, 0x36, 0x4C, 0x43, 0x2C, /* 198 ~ 207 */
3956                 0x2E, 0x36, 0x30, 0x6E,                                     /* 208 ~ 211 */
3957         };
3958         int i;
3959
3960         for (i = 0; i < ARRAY_SIZE(glrt_table); i++) {
3961                 rt2800_bbp_write(rt2x00dev, 195, 128 + i);
3962                 rt2800_bbp_write(rt2x00dev, 196, glrt_table[i]);
3963         }
3964 };
3965
3966 static void rt2800_init_bbp_early(struct rt2x00_dev *rt2x00dev)
3967 {
3968         rt2800_bbp_write(rt2x00dev, 65, 0x2C);
3969         rt2800_bbp_write(rt2x00dev, 66, 0x38);
3970         rt2800_bbp_write(rt2x00dev, 68, 0x0B);
3971         rt2800_bbp_write(rt2x00dev, 69, 0x12);
3972         rt2800_bbp_write(rt2x00dev, 70, 0x0a);
3973         rt2800_bbp_write(rt2x00dev, 73, 0x10);
3974         rt2800_bbp_write(rt2x00dev, 81, 0x37);
3975         rt2800_bbp_write(rt2x00dev, 82, 0x62);
3976         rt2800_bbp_write(rt2x00dev, 83, 0x6A);
3977         rt2800_bbp_write(rt2x00dev, 84, 0x99);
3978         rt2800_bbp_write(rt2x00dev, 86, 0x00);
3979         rt2800_bbp_write(rt2x00dev, 91, 0x04);
3980         rt2800_bbp_write(rt2x00dev, 92, 0x00);
3981         rt2800_bbp_write(rt2x00dev, 103, 0x00);
3982         rt2800_bbp_write(rt2x00dev, 105, 0x05);
3983         rt2800_bbp_write(rt2x00dev, 106, 0x35);
3984 }
3985
3986 static void rt2800_disable_unused_dac_adc(struct rt2x00_dev *rt2x00dev)
3987 {
3988         u16 eeprom;
3989         u8 value;
3990
3991         rt2800_bbp_read(rt2x00dev, 138, &value);
3992         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
3993         if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
3994                 value |= 0x20;
3995         if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
3996                 value &= ~0x02;
3997         rt2800_bbp_write(rt2x00dev, 138, value);
3998 }
3999
4000 static void rt2800_init_bbp_305x_soc(struct rt2x00_dev *rt2x00dev)
4001 {
4002         rt2800_bbp_write(rt2x00dev, 31, 0x08);
4003
4004         rt2800_bbp_write(rt2x00dev, 65, 0x2c);
4005         rt2800_bbp_write(rt2x00dev, 66, 0x38);
4006
4007         rt2800_bbp_write(rt2x00dev, 69, 0x12);
4008         rt2800_bbp_write(rt2x00dev, 73, 0x10);
4009
4010         rt2800_bbp_write(rt2x00dev, 70, 0x0a);
4011
4012         rt2800_bbp_write(rt2x00dev, 78, 0x0e);
4013         rt2800_bbp_write(rt2x00dev, 80, 0x08);
4014
4015         rt2800_bbp_write(rt2x00dev, 82, 0x62);
4016
4017         rt2800_bbp_write(rt2x00dev, 83, 0x6a);
4018
4019         rt2800_bbp_write(rt2x00dev, 84, 0x99);
4020
4021         rt2800_bbp_write(rt2x00dev, 86, 0x00);
4022
4023         rt2800_bbp_write(rt2x00dev, 91, 0x04);
4024
4025         rt2800_bbp_write(rt2x00dev, 92, 0x00);
4026
4027         rt2800_bbp_write(rt2x00dev, 103, 0xc0);
4028
4029         rt2800_bbp_write(rt2x00dev, 105, 0x01);
4030
4031         rt2800_bbp_write(rt2x00dev, 106, 0x35);
4032 }
4033
4034 static void rt2800_init_bbp_28xx(struct rt2x00_dev *rt2x00dev)
4035 {
4036         rt2800_bbp_write(rt2x00dev, 65, 0x2c);
4037         rt2800_bbp_write(rt2x00dev, 66, 0x38);
4038
4039         if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
4040                 rt2800_bbp_write(rt2x00dev, 69, 0x16);
4041                 rt2800_bbp_write(rt2x00dev, 73, 0x12);
4042         } else {
4043                 rt2800_bbp_write(rt2x00dev, 69, 0x12);
4044                 rt2800_bbp_write(rt2x00dev, 73, 0x10);
4045         }
4046
4047         rt2800_bbp_write(rt2x00dev, 70, 0x0a);
4048
4049         rt2800_bbp_write(rt2x00dev, 81, 0x37);
4050
4051         rt2800_bbp_write(rt2x00dev, 82, 0x62);
4052
4053         rt2800_bbp_write(rt2x00dev, 83, 0x6a);
4054
4055         if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860D))
4056                 rt2800_bbp_write(rt2x00dev, 84, 0x19);
4057         else
4058                 rt2800_bbp_write(rt2x00dev, 84, 0x99);
4059
4060         rt2800_bbp_write(rt2x00dev, 86, 0x00);
4061
4062         rt2800_bbp_write(rt2x00dev, 91, 0x04);
4063
4064         rt2800_bbp_write(rt2x00dev, 92, 0x00);
4065
4066         rt2800_bbp_write(rt2x00dev, 103, 0x00);
4067
4068         rt2800_bbp_write(rt2x00dev, 105, 0x05);
4069
4070         rt2800_bbp_write(rt2x00dev, 106, 0x35);
4071 }
4072
4073 static void rt2800_init_bbp_30xx(struct rt2x00_dev *rt2x00dev)
4074 {
4075         rt2800_bbp_write(rt2x00dev, 65, 0x2c);
4076         rt2800_bbp_write(rt2x00dev, 66, 0x38);
4077
4078         rt2800_bbp_write(rt2x00dev, 69, 0x12);
4079         rt2800_bbp_write(rt2x00dev, 73, 0x10);
4080
4081         rt2800_bbp_write(rt2x00dev, 70, 0x0a);
4082
4083         rt2800_bbp_write(rt2x00dev, 79, 0x13);
4084         rt2800_bbp_write(rt2x00dev, 80, 0x05);
4085         rt2800_bbp_write(rt2x00dev, 81, 0x33);
4086
4087         rt2800_bbp_write(rt2x00dev, 82, 0x62);
4088
4089         rt2800_bbp_write(rt2x00dev, 83, 0x6a);
4090
4091         rt2800_bbp_write(rt2x00dev, 84, 0x99);
4092
4093         rt2800_bbp_write(rt2x00dev, 86, 0x00);
4094
4095         rt2800_bbp_write(rt2x00dev, 91, 0x04);
4096
4097         rt2800_bbp_write(rt2x00dev, 92, 0x00);
4098
4099         if (rt2x00_rt_rev_gte(rt2x00dev, RT3070, REV_RT3070F) ||
4100             rt2x00_rt_rev_gte(rt2x00dev, RT3071, REV_RT3071E) ||
4101             rt2x00_rt_rev_gte(rt2x00dev, RT3090, REV_RT3090E))
4102                 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
4103         else
4104                 rt2800_bbp_write(rt2x00dev, 103, 0x00);
4105
4106         rt2800_bbp_write(rt2x00dev, 105, 0x05);
4107
4108         rt2800_bbp_write(rt2x00dev, 106, 0x35);
4109
4110         if (rt2x00_rt(rt2x00dev, RT3071) ||
4111             rt2x00_rt(rt2x00dev, RT3090))
4112                 rt2800_disable_unused_dac_adc(rt2x00dev);
4113 }
4114
4115 static void rt2800_init_bbp_3290(struct rt2x00_dev *rt2x00dev)
4116 {
4117         u8 value;
4118
4119         rt2800_bbp4_mac_if_ctrl(rt2x00dev);
4120
4121         rt2800_bbp_write(rt2x00dev, 31, 0x08);
4122
4123         rt2800_bbp_write(rt2x00dev, 65, 0x2c);
4124         rt2800_bbp_write(rt2x00dev, 66, 0x38);
4125
4126         rt2800_bbp_write(rt2x00dev, 68, 0x0b);
4127
4128         rt2800_bbp_write(rt2x00dev, 69, 0x12);
4129         rt2800_bbp_write(rt2x00dev, 73, 0x13);
4130         rt2800_bbp_write(rt2x00dev, 75, 0x46);
4131         rt2800_bbp_write(rt2x00dev, 76, 0x28);
4132
4133         rt2800_bbp_write(rt2x00dev, 77, 0x58);
4134
4135         rt2800_bbp_write(rt2x00dev, 70, 0x0a);
4136
4137         rt2800_bbp_write(rt2x00dev, 74, 0x0b);
4138         rt2800_bbp_write(rt2x00dev, 79, 0x18);
4139         rt2800_bbp_write(rt2x00dev, 80, 0x09);
4140         rt2800_bbp_write(rt2x00dev, 81, 0x33);
4141
4142         rt2800_bbp_write(rt2x00dev, 82, 0x62);
4143
4144         rt2800_bbp_write(rt2x00dev, 83, 0x7a);
4145
4146         rt2800_bbp_write(rt2x00dev, 84, 0x9a);
4147
4148         rt2800_bbp_write(rt2x00dev, 86, 0x38);
4149
4150         rt2800_bbp_write(rt2x00dev, 91, 0x04);
4151
4152         rt2800_bbp_write(rt2x00dev, 92, 0x02);
4153
4154         rt2800_bbp_write(rt2x00dev, 103, 0xc0);
4155
4156         rt2800_bbp_write(rt2x00dev, 104, 0x92);
4157
4158         rt2800_bbp_write(rt2x00dev, 105, 0x1c);
4159
4160         rt2800_bbp_write(rt2x00dev, 106, 0x03);
4161
4162         rt2800_bbp_write(rt2x00dev, 128, 0x12);
4163
4164         rt2800_bbp_write(rt2x00dev, 67, 0x24);
4165         rt2800_bbp_write(rt2x00dev, 143, 0x04);
4166         rt2800_bbp_write(rt2x00dev, 142, 0x99);
4167         rt2800_bbp_write(rt2x00dev, 150, 0x30);
4168         rt2800_bbp_write(rt2x00dev, 151, 0x2e);
4169         rt2800_bbp_write(rt2x00dev, 152, 0x20);
4170         rt2800_bbp_write(rt2x00dev, 153, 0x34);
4171         rt2800_bbp_write(rt2x00dev, 154, 0x40);
4172         rt2800_bbp_write(rt2x00dev, 155, 0x3b);
4173         rt2800_bbp_write(rt2x00dev, 253, 0x04);
4174
4175         rt2800_bbp_read(rt2x00dev, 47, &value);
4176         rt2x00_set_field8(&value, BBP47_TSSI_ADC6, 1);
4177         rt2800_bbp_write(rt2x00dev, 47, value);
4178
4179         /* Use 5-bit ADC for Acquisition and 8-bit ADC for data */
4180         rt2800_bbp_read(rt2x00dev, 3, &value);
4181         rt2x00_set_field8(&value, BBP3_ADC_MODE_SWITCH, 1);
4182         rt2x00_set_field8(&value, BBP3_ADC_INIT_MODE, 1);
4183         rt2800_bbp_write(rt2x00dev, 3, value);
4184 }
4185
4186 static void rt2800_init_bbp_3352(struct rt2x00_dev *rt2x00dev)
4187 {
4188         rt2800_bbp_write(rt2x00dev, 3, 0x00);
4189         rt2800_bbp_write(rt2x00dev, 4, 0x50);
4190
4191         rt2800_bbp_write(rt2x00dev, 31, 0x08);
4192
4193         rt2800_bbp_write(rt2x00dev, 47, 0x48);
4194
4195         rt2800_bbp_write(rt2x00dev, 65, 0x2c);
4196         rt2800_bbp_write(rt2x00dev, 66, 0x38);
4197
4198         rt2800_bbp_write(rt2x00dev, 68, 0x0b);
4199
4200         rt2800_bbp_write(rt2x00dev, 69, 0x12);
4201         rt2800_bbp_write(rt2x00dev, 73, 0x13);
4202         rt2800_bbp_write(rt2x00dev, 75, 0x46);
4203         rt2800_bbp_write(rt2x00dev, 76, 0x28);
4204
4205         rt2800_bbp_write(rt2x00dev, 77, 0x59);
4206
4207         rt2800_bbp_write(rt2x00dev, 70, 0x0a);
4208
4209         rt2800_bbp_write(rt2x00dev, 78, 0x0e);
4210         rt2800_bbp_write(rt2x00dev, 80, 0x08);
4211         rt2800_bbp_write(rt2x00dev, 81, 0x37);
4212
4213         rt2800_bbp_write(rt2x00dev, 82, 0x62);
4214
4215         rt2800_bbp_write(rt2x00dev, 83, 0x6a);
4216
4217         rt2800_bbp_write(rt2x00dev, 84, 0x99);
4218
4219         rt2800_bbp_write(rt2x00dev, 86, 0x38);
4220
4221         rt2800_bbp_write(rt2x00dev, 88, 0x90);
4222
4223         rt2800_bbp_write(rt2x00dev, 91, 0x04);
4224
4225         rt2800_bbp_write(rt2x00dev, 92, 0x02);
4226
4227         rt2800_bbp_write(rt2x00dev, 103, 0xc0);
4228
4229         rt2800_bbp_write(rt2x00dev, 104, 0x92);
4230
4231         rt2800_bbp_write(rt2x00dev, 105, 0x34);
4232
4233         rt2800_bbp_write(rt2x00dev, 106, 0x05);
4234
4235         rt2800_bbp_write(rt2x00dev, 120, 0x50);
4236
4237         rt2800_bbp_write(rt2x00dev, 137, 0x0f);
4238
4239         rt2800_bbp_write(rt2x00dev, 163, 0xbd);
4240         /* Set ITxBF timeout to 0x9c40=1000msec */
4241         rt2800_bbp_write(rt2x00dev, 179, 0x02);
4242         rt2800_bbp_write(rt2x00dev, 180, 0x00);
4243         rt2800_bbp_write(rt2x00dev, 182, 0x40);
4244         rt2800_bbp_write(rt2x00dev, 180, 0x01);
4245         rt2800_bbp_write(rt2x00dev, 182, 0x9c);
4246         rt2800_bbp_write(rt2x00dev, 179, 0x00);
4247         /* Reprogram the inband interface to put right values in RXWI */
4248         rt2800_bbp_write(rt2x00dev, 142, 0x04);
4249         rt2800_bbp_write(rt2x00dev, 143, 0x3b);
4250         rt2800_bbp_write(rt2x00dev, 142, 0x06);
4251         rt2800_bbp_write(rt2x00dev, 143, 0xa0);
4252         rt2800_bbp_write(rt2x00dev, 142, 0x07);
4253         rt2800_bbp_write(rt2x00dev, 143, 0xa1);
4254         rt2800_bbp_write(rt2x00dev, 142, 0x08);
4255         rt2800_bbp_write(rt2x00dev, 143, 0xa2);
4256
4257         rt2800_bbp_write(rt2x00dev, 148, 0xc8);
4258 }
4259
4260 static void rt2800_init_bbp_3390(struct rt2x00_dev *rt2x00dev)
4261 {
4262         rt2800_bbp_write(rt2x00dev, 65, 0x2c);
4263         rt2800_bbp_write(rt2x00dev, 66, 0x38);
4264
4265         rt2800_bbp_write(rt2x00dev, 69, 0x12);
4266         rt2800_bbp_write(rt2x00dev, 73, 0x10);
4267
4268         rt2800_bbp_write(rt2x00dev, 70, 0x0a);
4269
4270         rt2800_bbp_write(rt2x00dev, 79, 0x13);
4271         rt2800_bbp_write(rt2x00dev, 80, 0x05);
4272         rt2800_bbp_write(rt2x00dev, 81, 0x33);
4273
4274         rt2800_bbp_write(rt2x00dev, 82, 0x62);
4275
4276         rt2800_bbp_write(rt2x00dev, 83, 0x6a);
4277
4278         rt2800_bbp_write(rt2x00dev, 84, 0x99);
4279
4280         rt2800_bbp_write(rt2x00dev, 86, 0x00);
4281
4282         rt2800_bbp_write(rt2x00dev, 91, 0x04);
4283
4284         rt2800_bbp_write(rt2x00dev, 92, 0x00);
4285
4286         if (rt2x00_rt_rev_gte(rt2x00dev, RT3390, REV_RT3390E))
4287                 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
4288         else
4289                 rt2800_bbp_write(rt2x00dev, 103, 0x00);
4290
4291         rt2800_bbp_write(rt2x00dev, 105, 0x05);
4292
4293         rt2800_bbp_write(rt2x00dev, 106, 0x35);
4294
4295         rt2800_disable_unused_dac_adc(rt2x00dev);
4296 }
4297
4298 static void rt2800_init_bbp_3572(struct rt2x00_dev *rt2x00dev)
4299 {
4300         rt2800_bbp_write(rt2x00dev, 31, 0x08);
4301
4302         rt2800_bbp_write(rt2x00dev, 65, 0x2c);
4303         rt2800_bbp_write(rt2x00dev, 66, 0x38);
4304
4305         rt2800_bbp_write(rt2x00dev, 69, 0x12);
4306         rt2800_bbp_write(rt2x00dev, 73, 0x10);
4307
4308         rt2800_bbp_write(rt2x00dev, 70, 0x0a);
4309
4310         rt2800_bbp_write(rt2x00dev, 79, 0x13);
4311         rt2800_bbp_write(rt2x00dev, 80, 0x05);
4312         rt2800_bbp_write(rt2x00dev, 81, 0x33);
4313
4314         rt2800_bbp_write(rt2x00dev, 82, 0x62);
4315
4316         rt2800_bbp_write(rt2x00dev, 83, 0x6a);
4317
4318         rt2800_bbp_write(rt2x00dev, 84, 0x99);
4319
4320         rt2800_bbp_write(rt2x00dev, 86, 0x00);
4321
4322         rt2800_bbp_write(rt2x00dev, 91, 0x04);
4323
4324         rt2800_bbp_write(rt2x00dev, 92, 0x00);
4325
4326         rt2800_bbp_write(rt2x00dev, 103, 0xc0);
4327
4328         rt2800_bbp_write(rt2x00dev, 105, 0x05);
4329
4330         rt2800_bbp_write(rt2x00dev, 106, 0x35);
4331
4332         rt2800_disable_unused_dac_adc(rt2x00dev);
4333 }
4334
4335 static void rt2800_init_bbp_53xx(struct rt2x00_dev *rt2x00dev)
4336 {
4337         int ant, div_mode;
4338         u16 eeprom;
4339         u8 value;
4340
4341         rt2800_bbp4_mac_if_ctrl(rt2x00dev);
4342
4343         rt2800_bbp_write(rt2x00dev, 31, 0x08);
4344
4345         rt2800_bbp_write(rt2x00dev, 65, 0x2c);
4346         rt2800_bbp_write(rt2x00dev, 66, 0x38);
4347
4348         rt2800_bbp_write(rt2x00dev, 68, 0x0b);
4349
4350         rt2800_bbp_write(rt2x00dev, 69, 0x12);
4351         rt2800_bbp_write(rt2x00dev, 73, 0x13);
4352         rt2800_bbp_write(rt2x00dev, 75, 0x46);
4353         rt2800_bbp_write(rt2x00dev, 76, 0x28);
4354
4355         rt2800_bbp_write(rt2x00dev, 77, 0x59);
4356
4357         rt2800_bbp_write(rt2x00dev, 70, 0x0a);
4358
4359         rt2800_bbp_write(rt2x00dev, 79, 0x13);
4360         rt2800_bbp_write(rt2x00dev, 80, 0x05);
4361         rt2800_bbp_write(rt2x00dev, 81, 0x33);
4362
4363         rt2800_bbp_write(rt2x00dev, 82, 0x62);
4364
4365         rt2800_bbp_write(rt2x00dev, 83, 0x7a);
4366
4367         rt2800_bbp_write(rt2x00dev, 84, 0x9a);
4368
4369         rt2800_bbp_write(rt2x00dev, 86, 0x38);
4370
4371         if (rt2x00_rt(rt2x00dev, RT5392))
4372                 rt2800_bbp_write(rt2x00dev, 88, 0x90);
4373
4374         rt2800_bbp_write(rt2x00dev, 91, 0x04);
4375
4376         rt2800_bbp_write(rt2x00dev, 92, 0x02);
4377
4378         if (rt2x00_rt(rt2x00dev, RT5392)) {
4379                 rt2800_bbp_write(rt2x00dev, 95, 0x9a);
4380                 rt2800_bbp_write(rt2x00dev, 98, 0x12);
4381         }
4382
4383         rt2800_bbp_write(rt2x00dev, 103, 0xc0);
4384
4385         rt2800_bbp_write(rt2x00dev, 104, 0x92);
4386
4387         rt2800_bbp_write(rt2x00dev, 105, 0x3c);
4388
4389         if (rt2x00_rt(rt2x00dev, RT5390))
4390                 rt2800_bbp_write(rt2x00dev, 106, 0x03);
4391         else if (rt2x00_rt(rt2x00dev, RT5392))
4392                 rt2800_bbp_write(rt2x00dev, 106, 0x12);
4393         else
4394                 WARN_ON(1);
4395
4396         rt2800_bbp_write(rt2x00dev, 128, 0x12);
4397
4398         if (rt2x00_rt(rt2x00dev, RT5392)) {
4399                 rt2800_bbp_write(rt2x00dev, 134, 0xd0);
4400                 rt2800_bbp_write(rt2x00dev, 135, 0xf6);
4401         }
4402
4403         rt2800_disable_unused_dac_adc(rt2x00dev);
4404
4405         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
4406         div_mode = rt2x00_get_field16(eeprom,
4407                                       EEPROM_NIC_CONF1_ANT_DIVERSITY);
4408         ant = (div_mode == 3) ? 1 : 0;
4409
4410         /* check if this is a Bluetooth combo card */
4411         if (test_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags)) {
4412                 u32 reg;
4413
4414                 rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
4415                 rt2x00_set_field32(&reg, GPIO_CTRL_DIR3, 0);
4416                 rt2x00_set_field32(&reg, GPIO_CTRL_DIR6, 0);
4417                 rt2x00_set_field32(&reg, GPIO_CTRL_VAL3, 0);
4418                 rt2x00_set_field32(&reg, GPIO_CTRL_VAL6, 0);
4419                 if (ant == 0)
4420                         rt2x00_set_field32(&reg, GPIO_CTRL_VAL3, 1);
4421                 else if (ant == 1)
4422                         rt2x00_set_field32(&reg, GPIO_CTRL_VAL6, 1);
4423                 rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
4424         }
4425
4426         /* This chip has hardware antenna diversity*/
4427         if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390R)) {
4428                 rt2800_bbp_write(rt2x00dev, 150, 0); /* Disable Antenna Software OFDM */
4429                 rt2800_bbp_write(rt2x00dev, 151, 0); /* Disable Antenna Software CCK */
4430                 rt2800_bbp_write(rt2x00dev, 154, 0); /* Clear previously selected antenna */
4431         }
4432
4433         rt2800_bbp_read(rt2x00dev, 152, &value);
4434         if (ant == 0)
4435                 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1);
4436         else
4437                 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0);
4438         rt2800_bbp_write(rt2x00dev, 152, value);
4439
4440         rt2800_init_freq_calibration(rt2x00dev);
4441 }
4442
4443 static void rt2800_init_bbp_5592(struct rt2x00_dev *rt2x00dev)
4444 {
4445         int ant, div_mode;
4446         u16 eeprom;
4447         u8 value;
4448
4449         rt2800_init_bbp_early(rt2x00dev);
4450
4451         rt2800_bbp_read(rt2x00dev, 105, &value);
4452         rt2x00_set_field8(&value, BBP105_MLD,
4453                           rt2x00dev->default_ant.rx_chain_num == 2);
4454         rt2800_bbp_write(rt2x00dev, 105, value);
4455
4456         rt2800_bbp4_mac_if_ctrl(rt2x00dev);
4457
4458         rt2800_bbp_write(rt2x00dev, 20, 0x06);
4459         rt2800_bbp_write(rt2x00dev, 31, 0x08);
4460         rt2800_bbp_write(rt2x00dev, 65, 0x2C);
4461         rt2800_bbp_write(rt2x00dev, 68, 0xDD);
4462         rt2800_bbp_write(rt2x00dev, 69, 0x1A);
4463         rt2800_bbp_write(rt2x00dev, 70, 0x05);
4464         rt2800_bbp_write(rt2x00dev, 73, 0x13);
4465         rt2800_bbp_write(rt2x00dev, 74, 0x0F);
4466         rt2800_bbp_write(rt2x00dev, 75, 0x4F);
4467         rt2800_bbp_write(rt2x00dev, 76, 0x28);
4468         rt2800_bbp_write(rt2x00dev, 77, 0x59);
4469         rt2800_bbp_write(rt2x00dev, 84, 0x9A);
4470         rt2800_bbp_write(rt2x00dev, 86, 0x38);
4471         rt2800_bbp_write(rt2x00dev, 88, 0x90);
4472         rt2800_bbp_write(rt2x00dev, 91, 0x04);
4473         rt2800_bbp_write(rt2x00dev, 92, 0x02);
4474         rt2800_bbp_write(rt2x00dev, 95, 0x9a);
4475         rt2800_bbp_write(rt2x00dev, 98, 0x12);
4476         rt2800_bbp_write(rt2x00dev, 103, 0xC0);
4477         rt2800_bbp_write(rt2x00dev, 104, 0x92);
4478         /* FIXME BBP105 owerwrite */
4479         rt2800_bbp_write(rt2x00dev, 105, 0x3C);
4480         rt2800_bbp_write(rt2x00dev, 106, 0x35);
4481         rt2800_bbp_write(rt2x00dev, 128, 0x12);
4482         rt2800_bbp_write(rt2x00dev, 134, 0xD0);
4483         rt2800_bbp_write(rt2x00dev, 135, 0xF6);
4484         rt2800_bbp_write(rt2x00dev, 137, 0x0F);
4485
4486         /* Initialize GLRT (Generalized Likehood Radio Test) */
4487         rt2800_init_bbp_5592_glrt(rt2x00dev);
4488
4489         rt2800_bbp4_mac_if_ctrl(rt2x00dev);
4490
4491         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
4492         div_mode = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_ANT_DIVERSITY);
4493         ant = (div_mode == 3) ? 1 : 0;
4494         rt2800_bbp_read(rt2x00dev, 152, &value);
4495         if (ant == 0) {
4496                 /* Main antenna */
4497                 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1);
4498         } else {
4499                 /* Auxiliary antenna */
4500                 rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0);
4501         }
4502         rt2800_bbp_write(rt2x00dev, 152, value);
4503
4504         if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C)) {
4505                 rt2800_bbp_read(rt2x00dev, 254, &value);
4506                 rt2x00_set_field8(&value, BBP254_BIT7, 1);
4507                 rt2800_bbp_write(rt2x00dev, 254, value);
4508         }
4509
4510         rt2800_init_freq_calibration(rt2x00dev);
4511
4512         rt2800_bbp_write(rt2x00dev, 84, 0x19);
4513         if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C))
4514                 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
4515 }
4516
4517 static void rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
4518 {
4519         unsigned int i;
4520         u16 eeprom;
4521         u8 reg_id;
4522         u8 value;
4523
4524         if (rt2800_is_305x_soc(rt2x00dev))
4525                 rt2800_init_bbp_305x_soc(rt2x00dev);
4526
4527         switch (rt2x00dev->chip.rt) {
4528         case RT2860:
4529         case RT2872:
4530         case RT2883:
4531                 rt2800_init_bbp_28xx(rt2x00dev);
4532                 break;
4533         case RT3070:
4534         case RT3071:
4535         case RT3090:
4536                 rt2800_init_bbp_30xx(rt2x00dev);
4537                 break;
4538         case RT3290:
4539                 rt2800_init_bbp_3290(rt2x00dev);
4540                 break;
4541         case RT3352:
4542                 rt2800_init_bbp_3352(rt2x00dev);
4543                 break;
4544         case RT3390:
4545                 rt2800_init_bbp_3390(rt2x00dev);
4546                 break;
4547         case RT3572:
4548                 rt2800_init_bbp_3572(rt2x00dev);
4549                 break;
4550         case RT5390:
4551         case RT5392:
4552                 rt2800_init_bbp_53xx(rt2x00dev);
4553                 break;
4554         case RT5592:
4555                 rt2800_init_bbp_5592(rt2x00dev);
4556                 return;
4557         }
4558
4559         for (i = 0; i < EEPROM_BBP_SIZE; i++) {
4560                 rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
4561
4562                 if (eeprom != 0xffff && eeprom != 0x0000) {
4563                         reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
4564                         value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
4565                         rt2800_bbp_write(rt2x00dev, reg_id, value);
4566                 }
4567         }
4568 }
4569
4570 static void rt2800_led_open_drain_enable(struct rt2x00_dev *rt2x00dev)
4571 {
4572         u32 reg;
4573
4574         rt2800_register_read(rt2x00dev, OPT_14_CSR, &reg);
4575         rt2x00_set_field32(&reg, OPT_14_CSR_BIT0, 1);
4576         rt2800_register_write(rt2x00dev, OPT_14_CSR, reg);
4577 }
4578
4579 static u8 rt2800_init_rx_filter(struct rt2x00_dev *rt2x00dev, bool bw40,
4580                                 u8 filter_target)
4581 {
4582         unsigned int i;
4583         u8 bbp;
4584         u8 rfcsr;
4585         u8 passband;
4586         u8 stopband;
4587         u8 overtuned = 0;
4588         u8 rfcsr24 = (bw40) ? 0x27 : 0x07;
4589
4590         rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
4591
4592         rt2800_bbp_read(rt2x00dev, 4, &bbp);
4593         rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
4594         rt2800_bbp_write(rt2x00dev, 4, bbp);
4595
4596         rt2800_rfcsr_read(rt2x00dev, 31, &rfcsr);
4597         rt2x00_set_field8(&rfcsr, RFCSR31_RX_H20M, bw40);
4598         rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
4599
4600         rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
4601         rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
4602         rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
4603
4604         /*
4605          * Set power & frequency of passband test tone
4606          */
4607         rt2800_bbp_write(rt2x00dev, 24, 0);
4608
4609         for (i = 0; i < 100; i++) {
4610                 rt2800_bbp_write(rt2x00dev, 25, 0x90);
4611                 msleep(1);
4612
4613                 rt2800_bbp_read(rt2x00dev, 55, &passband);
4614                 if (passband)
4615                         break;
4616         }
4617
4618         /*
4619          * Set power & frequency of stopband test tone
4620          */
4621         rt2800_bbp_write(rt2x00dev, 24, 0x06);
4622
4623         for (i = 0; i < 100; i++) {
4624                 rt2800_bbp_write(rt2x00dev, 25, 0x90);
4625                 msleep(1);
4626
4627                 rt2800_bbp_read(rt2x00dev, 55, &stopband);
4628
4629                 if ((passband - stopband) <= filter_target) {
4630                         rfcsr24++;
4631                         overtuned += ((passband - stopband) == filter_target);
4632                 } else
4633                         break;
4634
4635                 rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
4636         }
4637
4638         rfcsr24 -= !!overtuned;
4639
4640         rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
4641         return rfcsr24;
4642 }
4643
4644 static void rt2800_rf_init_calibration(struct rt2x00_dev *rt2x00dev,
4645                                        const unsigned int rf_reg)
4646 {
4647         u8 rfcsr;
4648
4649         rt2800_rfcsr_read(rt2x00dev, rf_reg, &rfcsr);
4650         rt2x00_set_field8(&rfcsr, FIELD8(0x80), 1);
4651         rt2800_rfcsr_write(rt2x00dev, rf_reg, rfcsr);
4652         msleep(1);
4653         rt2x00_set_field8(&rfcsr, FIELD8(0x80), 0);
4654         rt2800_rfcsr_write(rt2x00dev, rf_reg, rfcsr);
4655 }
4656
4657 static void rt2800_rx_filter_calibration(struct rt2x00_dev *rt2x00dev)
4658 {
4659         struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
4660         u8 filter_tgt_bw20;
4661         u8 filter_tgt_bw40;
4662         u8 rfcsr, bbp;
4663
4664         /*
4665          * TODO: sync filter_tgt values with vendor driver
4666          */
4667         if (rt2x00_rt(rt2x00dev, RT3070)) {
4668                 filter_tgt_bw20 = 0x16;
4669                 filter_tgt_bw40 = 0x19;
4670         } else {
4671                 filter_tgt_bw20 = 0x13;
4672                 filter_tgt_bw40 = 0x15;
4673         }
4674
4675         drv_data->calibration_bw20 =
4676                 rt2800_init_rx_filter(rt2x00dev, false, filter_tgt_bw20);
4677         drv_data->calibration_bw40 =
4678                 rt2800_init_rx_filter(rt2x00dev, true, filter_tgt_bw40);
4679
4680         /*
4681          * Save BBP 25 & 26 values for later use in channel switching (for 3052)
4682          */
4683         rt2800_bbp_read(rt2x00dev, 25, &drv_data->bbp25);
4684         rt2800_bbp_read(rt2x00dev, 26, &drv_data->bbp26);
4685
4686         /*
4687          * Set back to initial state
4688          */
4689         rt2800_bbp_write(rt2x00dev, 24, 0);
4690
4691         rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
4692         rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
4693         rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
4694
4695         /*
4696          * Set BBP back to BW20
4697          */
4698         rt2800_bbp_read(rt2x00dev, 4, &bbp);
4699         rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
4700         rt2800_bbp_write(rt2x00dev, 4, bbp);
4701 }
4702
4703 static void rt2800_normal_mode_setup_3xxx(struct rt2x00_dev *rt2x00dev)
4704 {
4705         struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
4706         u8 min_gain, rfcsr, bbp;
4707         u16 eeprom;
4708
4709         rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
4710
4711         rt2x00_set_field8(&rfcsr, RFCSR17_TX_LO1_EN, 0);
4712         if (rt2x00_rt(rt2x00dev, RT3070) ||
4713             rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
4714             rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
4715             rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
4716                 if (!test_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags))
4717                         rt2x00_set_field8(&rfcsr, RFCSR17_R, 1);
4718         }
4719
4720         min_gain = rt2x00_rt(rt2x00dev, RT3070) ? 1 : 2;
4721         if (drv_data->txmixer_gain_24g >= min_gain) {
4722                 rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN,
4723                                   drv_data->txmixer_gain_24g);
4724         }
4725
4726         rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
4727
4728         if (rt2x00_rt(rt2x00dev, RT3090)) {
4729                 /*  Turn off unused DAC1 and ADC1 to reduce power consumption */
4730                 rt2800_bbp_read(rt2x00dev, 138, &bbp);
4731                 rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
4732                 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
4733                         rt2x00_set_field8(&bbp, BBP138_RX_ADC1, 0);
4734                 if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
4735                         rt2x00_set_field8(&bbp, BBP138_TX_DAC1, 1);
4736                 rt2800_bbp_write(rt2x00dev, 138, bbp);
4737         }
4738
4739         if (rt2x00_rt(rt2x00dev, RT3070)) {
4740                 rt2800_rfcsr_read(rt2x00dev, 27, &rfcsr);
4741                 if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F))
4742                         rt2x00_set_field8(&rfcsr, RFCSR27_R1, 3);
4743                 else
4744                         rt2x00_set_field8(&rfcsr, RFCSR27_R1, 0);
4745                 rt2x00_set_field8(&rfcsr, RFCSR27_R2, 0);
4746                 rt2x00_set_field8(&rfcsr, RFCSR27_R3, 0);
4747                 rt2x00_set_field8(&rfcsr, RFCSR27_R4, 0);
4748                 rt2800_rfcsr_write(rt2x00dev, 27, rfcsr);
4749         } else if (rt2x00_rt(rt2x00dev, RT3071) ||
4750                    rt2x00_rt(rt2x00dev, RT3090) ||
4751                    rt2x00_rt(rt2x00dev, RT3390)) {
4752                 rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
4753                 rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
4754                 rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
4755                 rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
4756                 rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
4757                 rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
4758                 rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
4759
4760                 rt2800_rfcsr_read(rt2x00dev, 15, &rfcsr);
4761                 rt2x00_set_field8(&rfcsr, RFCSR15_TX_LO2_EN, 0);
4762                 rt2800_rfcsr_write(rt2x00dev, 15, rfcsr);
4763
4764                 rt2800_rfcsr_read(rt2x00dev, 20, &rfcsr);
4765                 rt2x00_set_field8(&rfcsr, RFCSR20_RX_LO1_EN, 0);
4766                 rt2800_rfcsr_write(rt2x00dev, 20, rfcsr);
4767
4768                 rt2800_rfcsr_read(rt2x00dev, 21, &rfcsr);
4769                 rt2x00_set_field8(&rfcsr, RFCSR21_RX_LO2_EN, 0);
4770                 rt2800_rfcsr_write(rt2x00dev, 21, rfcsr);
4771         }
4772 }
4773
4774 static void rt2800_normal_mode_setup_5xxx(struct rt2x00_dev *rt2x00dev)
4775 {
4776         u8 reg;
4777         u16 eeprom;
4778
4779         /*  Turn off unused DAC1 and ADC1 to reduce power consumption */
4780         rt2800_bbp_read(rt2x00dev, 138, &reg);
4781         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
4782         if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
4783                 rt2x00_set_field8(&reg, BBP138_RX_ADC1, 0);
4784         if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
4785                 rt2x00_set_field8(&reg, BBP138_TX_DAC1, 1);
4786         rt2800_bbp_write(rt2x00dev, 138, reg);
4787
4788         rt2800_rfcsr_read(rt2x00dev, 38, &reg);
4789         rt2x00_set_field8(&reg, RFCSR38_RX_LO1_EN, 0);
4790         rt2800_rfcsr_write(rt2x00dev, 38, reg);
4791
4792         rt2800_rfcsr_read(rt2x00dev, 39, &reg);
4793         rt2x00_set_field8(&reg, RFCSR39_RX_LO2_EN, 0);
4794         rt2800_rfcsr_write(rt2x00dev, 39, reg);
4795
4796         rt2800_bbp4_mac_if_ctrl(rt2x00dev);
4797
4798         rt2800_rfcsr_read(rt2x00dev, 30, &reg);
4799         rt2x00_set_field8(&reg, RFCSR30_RX_VCM, 2);
4800         rt2800_rfcsr_write(rt2x00dev, 30, reg);
4801 }
4802
4803 static void rt2800_init_rfcsr_305x_soc(struct rt2x00_dev *rt2x00dev)
4804 {
4805         rt2800_rf_init_calibration(rt2x00dev, 30);
4806
4807         rt2800_rfcsr_write(rt2x00dev, 0, 0x50);
4808         rt2800_rfcsr_write(rt2x00dev, 1, 0x01);
4809         rt2800_rfcsr_write(rt2x00dev, 2, 0xf7);
4810         rt2800_rfcsr_write(rt2x00dev, 3, 0x75);
4811         rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
4812         rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
4813         rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
4814         rt2800_rfcsr_write(rt2x00dev, 7, 0x50);
4815         rt2800_rfcsr_write(rt2x00dev, 8, 0x39);
4816         rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
4817         rt2800_rfcsr_write(rt2x00dev, 10, 0x60);
4818         rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
4819         rt2800_rfcsr_write(rt2x00dev, 12, 0x75);
4820         rt2800_rfcsr_write(rt2x00dev, 13, 0x75);
4821         rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
4822         rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
4823         rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
4824         rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
4825         rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
4826         rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
4827         rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
4828         rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
4829         rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
4830         rt2800_rfcsr_write(rt2x00dev, 23, 0x31);
4831         rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
4832         rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
4833         rt2800_rfcsr_write(rt2x00dev, 26, 0x25);
4834         rt2800_rfcsr_write(rt2x00dev, 27, 0x23);
4835         rt2800_rfcsr_write(rt2x00dev, 28, 0x13);
4836         rt2800_rfcsr_write(rt2x00dev, 29, 0x83);
4837         rt2800_rfcsr_write(rt2x00dev, 30, 0x00);
4838         rt2800_rfcsr_write(rt2x00dev, 31, 0x00);
4839 }
4840
4841 static void rt2800_init_rfcsr_30xx(struct rt2x00_dev *rt2x00dev)
4842 {
4843         u8 rfcsr;
4844         u16 eeprom;
4845         u32 reg;
4846
4847         /* XXX vendor driver do this only for 3070 */
4848         rt2800_rf_init_calibration(rt2x00dev, 30);
4849
4850         rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
4851         rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
4852         rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
4853         rt2800_rfcsr_write(rt2x00dev, 7, 0x60);
4854         rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
4855         rt2800_rfcsr_write(rt2x00dev, 10, 0x41);
4856         rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
4857         rt2800_rfcsr_write(rt2x00dev, 12, 0x7b);
4858         rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
4859         rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
4860         rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
4861         rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
4862         rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
4863         rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
4864         rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
4865         rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
4866         rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
4867         rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
4868         rt2800_rfcsr_write(rt2x00dev, 29, 0x1f);
4869
4870         if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
4871                 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
4872                 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
4873                 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
4874                 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
4875         } else if (rt2x00_rt(rt2x00dev, RT3071) ||
4876                    rt2x00_rt(rt2x00dev, RT3090)) {
4877                 rt2800_rfcsr_write(rt2x00dev, 31, 0x14);
4878
4879                 rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
4880                 rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
4881                 rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
4882
4883                 rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
4884                 rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
4885                 if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
4886                     rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E)) {
4887                         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
4888                         if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST))
4889                                 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
4890                         else
4891                                 rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
4892                 }
4893                 rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
4894
4895                 rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
4896                 rt2x00_set_field32(&reg, GPIO_SWITCH_5, 0);
4897                 rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
4898         }
4899
4900         rt2800_rx_filter_calibration(rt2x00dev);
4901
4902         if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F) ||
4903             rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
4904             rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E))
4905                 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
4906
4907         rt2800_led_open_drain_enable(rt2x00dev);
4908         rt2800_normal_mode_setup_3xxx(rt2x00dev);
4909 }
4910
4911 static void rt2800_init_rfcsr_3290(struct rt2x00_dev *rt2x00dev)
4912 {
4913         u8 rfcsr;
4914
4915         rt2800_rf_init_calibration(rt2x00dev, 2);
4916
4917         rt2800_rfcsr_write(rt2x00dev, 1, 0x0f);
4918         rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
4919         rt2800_rfcsr_write(rt2x00dev, 3, 0x08);
4920         rt2800_rfcsr_write(rt2x00dev, 4, 0x00);
4921         rt2800_rfcsr_write(rt2x00dev, 6, 0xa0);
4922         rt2800_rfcsr_write(rt2x00dev, 8, 0xf3);
4923         rt2800_rfcsr_write(rt2x00dev, 9, 0x02);
4924         rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
4925         rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
4926         rt2800_rfcsr_write(rt2x00dev, 12, 0x46);
4927         rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
4928         rt2800_rfcsr_write(rt2x00dev, 18, 0x02);
4929         rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
4930         rt2800_rfcsr_write(rt2x00dev, 25, 0x83);
4931         rt2800_rfcsr_write(rt2x00dev, 26, 0x82);
4932         rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
4933         rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
4934         rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
4935         rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
4936         rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
4937         rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
4938         rt2800_rfcsr_write(rt2x00dev, 34, 0x05);
4939         rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
4940         rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
4941         rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
4942         rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
4943         rt2800_rfcsr_write(rt2x00dev, 40, 0x0b);
4944         rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
4945         rt2800_rfcsr_write(rt2x00dev, 42, 0xd5);
4946         rt2800_rfcsr_write(rt2x00dev, 43, 0x7b);
4947         rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
4948         rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
4949         rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
4950         rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
4951         rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
4952         rt2800_rfcsr_write(rt2x00dev, 49, 0x98);
4953         rt2800_rfcsr_write(rt2x00dev, 52, 0x38);
4954         rt2800_rfcsr_write(rt2x00dev, 53, 0x00);
4955         rt2800_rfcsr_write(rt2x00dev, 54, 0x78);
4956         rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
4957         rt2800_rfcsr_write(rt2x00dev, 56, 0x02);
4958         rt2800_rfcsr_write(rt2x00dev, 57, 0x80);
4959         rt2800_rfcsr_write(rt2x00dev, 58, 0x7f);
4960         rt2800_rfcsr_write(rt2x00dev, 59, 0x09);
4961         rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
4962         rt2800_rfcsr_write(rt2x00dev, 61, 0xc1);
4963
4964         rt2800_rfcsr_read(rt2x00dev, 29, &rfcsr);
4965         rt2x00_set_field8(&rfcsr, RFCSR29_RSSI_GAIN, 3);
4966         rt2800_rfcsr_write(rt2x00dev, 29, rfcsr);
4967
4968         rt2800_led_open_drain_enable(rt2x00dev);
4969         rt2800_normal_mode_setup_3xxx(rt2x00dev);
4970 }
4971
4972 static void rt2800_init_rfcsr_3352(struct rt2x00_dev *rt2x00dev)
4973 {
4974         rt2800_rf_init_calibration(rt2x00dev, 30);
4975
4976         rt2800_rfcsr_write(rt2x00dev, 0, 0xf0);
4977         rt2800_rfcsr_write(rt2x00dev, 1, 0x23);
4978         rt2800_rfcsr_write(rt2x00dev, 2, 0x50);
4979         rt2800_rfcsr_write(rt2x00dev, 3, 0x18);
4980         rt2800_rfcsr_write(rt2x00dev, 4, 0x00);
4981         rt2800_rfcsr_write(rt2x00dev, 5, 0x00);
4982         rt2800_rfcsr_write(rt2x00dev, 6, 0x33);
4983         rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
4984         rt2800_rfcsr_write(rt2x00dev, 8, 0xf1);
4985         rt2800_rfcsr_write(rt2x00dev, 9, 0x02);
4986         rt2800_rfcsr_write(rt2x00dev, 10, 0xd2);
4987         rt2800_rfcsr_write(rt2x00dev, 11, 0x42);
4988         rt2800_rfcsr_write(rt2x00dev, 12, 0x1c);
4989         rt2800_rfcsr_write(rt2x00dev, 13, 0x00);
4990         rt2800_rfcsr_write(rt2x00dev, 14, 0x5a);
4991         rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
4992         rt2800_rfcsr_write(rt2x00dev, 16, 0x01);
4993         rt2800_rfcsr_write(rt2x00dev, 18, 0x45);
4994         rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
4995         rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
4996         rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
4997         rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
4998         rt2800_rfcsr_write(rt2x00dev, 23, 0x00);
4999         rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
5000         rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
5001         rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
5002         rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
5003         rt2800_rfcsr_write(rt2x00dev, 28, 0x03);
5004         rt2800_rfcsr_write(rt2x00dev, 29, 0x00);
5005         rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
5006         rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
5007         rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
5008         rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
5009         rt2800_rfcsr_write(rt2x00dev, 34, 0x01);
5010         rt2800_rfcsr_write(rt2x00dev, 35, 0x03);
5011         rt2800_rfcsr_write(rt2x00dev, 36, 0xbd);
5012         rt2800_rfcsr_write(rt2x00dev, 37, 0x3c);
5013         rt2800_rfcsr_write(rt2x00dev, 38, 0x5f);
5014         rt2800_rfcsr_write(rt2x00dev, 39, 0xc5);
5015         rt2800_rfcsr_write(rt2x00dev, 40, 0x33);
5016         rt2800_rfcsr_write(rt2x00dev, 41, 0x5b);
5017         rt2800_rfcsr_write(rt2x00dev, 42, 0x5b);
5018         rt2800_rfcsr_write(rt2x00dev, 43, 0xdb);
5019         rt2800_rfcsr_write(rt2x00dev, 44, 0xdb);
5020         rt2800_rfcsr_write(rt2x00dev, 45, 0xdb);
5021         rt2800_rfcsr_write(rt2x00dev, 46, 0xdd);
5022         rt2800_rfcsr_write(rt2x00dev, 47, 0x0d);
5023         rt2800_rfcsr_write(rt2x00dev, 48, 0x14);
5024         rt2800_rfcsr_write(rt2x00dev, 49, 0x00);
5025         rt2800_rfcsr_write(rt2x00dev, 50, 0x2d);
5026         rt2800_rfcsr_write(rt2x00dev, 51, 0x7f);
5027         rt2800_rfcsr_write(rt2x00dev, 52, 0x00);
5028         rt2800_rfcsr_write(rt2x00dev, 53, 0x52);
5029         rt2800_rfcsr_write(rt2x00dev, 54, 0x1b);
5030         rt2800_rfcsr_write(rt2x00dev, 55, 0x7f);
5031         rt2800_rfcsr_write(rt2x00dev, 56, 0x00);
5032         rt2800_rfcsr_write(rt2x00dev, 57, 0x52);
5033         rt2800_rfcsr_write(rt2x00dev, 58, 0x1b);
5034         rt2800_rfcsr_write(rt2x00dev, 59, 0x00);
5035         rt2800_rfcsr_write(rt2x00dev, 60, 0x00);
5036         rt2800_rfcsr_write(rt2x00dev, 61, 0x00);
5037         rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
5038         rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
5039
5040         rt2800_rx_filter_calibration(rt2x00dev);
5041         rt2800_led_open_drain_enable(rt2x00dev);
5042         rt2800_normal_mode_setup_3xxx(rt2x00dev);
5043 }
5044
5045 static void rt2800_init_rfcsr_3390(struct rt2x00_dev *rt2x00dev)
5046 {
5047         u32 reg;
5048
5049         rt2800_rf_init_calibration(rt2x00dev, 30);
5050
5051         rt2800_rfcsr_write(rt2x00dev, 0, 0xa0);
5052         rt2800_rfcsr_write(rt2x00dev, 1, 0xe1);
5053         rt2800_rfcsr_write(rt2x00dev, 2, 0xf1);
5054         rt2800_rfcsr_write(rt2x00dev, 3, 0x62);
5055         rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
5056         rt2800_rfcsr_write(rt2x00dev, 5, 0x8b);
5057         rt2800_rfcsr_write(rt2x00dev, 6, 0x42);
5058         rt2800_rfcsr_write(rt2x00dev, 7, 0x34);
5059         rt2800_rfcsr_write(rt2x00dev, 8, 0x00);
5060         rt2800_rfcsr_write(rt2x00dev, 9, 0xc0);
5061         rt2800_rfcsr_write(rt2x00dev, 10, 0x61);
5062         rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
5063         rt2800_rfcsr_write(rt2x00dev, 12, 0x3b);
5064         rt2800_rfcsr_write(rt2x00dev, 13, 0xe0);
5065         rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
5066         rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
5067         rt2800_rfcsr_write(rt2x00dev, 16, 0xe0);
5068         rt2800_rfcsr_write(rt2x00dev, 17, 0x94);
5069         rt2800_rfcsr_write(rt2x00dev, 18, 0x5c);
5070         rt2800_rfcsr_write(rt2x00dev, 19, 0x4a);
5071         rt2800_rfcsr_write(rt2x00dev, 20, 0xb2);
5072         rt2800_rfcsr_write(rt2x00dev, 21, 0xf6);
5073         rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
5074         rt2800_rfcsr_write(rt2x00dev, 23, 0x14);
5075         rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
5076         rt2800_rfcsr_write(rt2x00dev, 25, 0x3d);
5077         rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
5078         rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
5079         rt2800_rfcsr_write(rt2x00dev, 28, 0x41);
5080         rt2800_rfcsr_write(rt2x00dev, 29, 0x8f);
5081         rt2800_rfcsr_write(rt2x00dev, 30, 0x20);
5082         rt2800_rfcsr_write(rt2x00dev, 31, 0x0f);
5083
5084         rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
5085         rt2x00_set_field32(&reg, GPIO_SWITCH_5, 0);
5086         rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
5087
5088         rt2800_rx_filter_calibration(rt2x00dev);
5089
5090         if (rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E))
5091                 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
5092
5093         rt2800_led_open_drain_enable(rt2x00dev);
5094         rt2800_normal_mode_setup_3xxx(rt2x00dev);
5095 }
5096
5097 static void rt2800_init_rfcsr_3572(struct rt2x00_dev *rt2x00dev)
5098 {
5099         u8 rfcsr;
5100         u32 reg;
5101
5102         rt2800_rf_init_calibration(rt2x00dev, 30);
5103
5104         rt2800_rfcsr_write(rt2x00dev, 0, 0x70);
5105         rt2800_rfcsr_write(rt2x00dev, 1, 0x81);
5106         rt2800_rfcsr_write(rt2x00dev, 2, 0xf1);
5107         rt2800_rfcsr_write(rt2x00dev, 3, 0x02);
5108         rt2800_rfcsr_write(rt2x00dev, 4, 0x4c);
5109         rt2800_rfcsr_write(rt2x00dev, 5, 0x05);
5110         rt2800_rfcsr_write(rt2x00dev, 6, 0x4a);
5111         rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
5112         rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
5113         rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
5114         rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
5115         rt2800_rfcsr_write(rt2x00dev, 12, 0x70);
5116         rt2800_rfcsr_write(rt2x00dev, 13, 0x65);
5117         rt2800_rfcsr_write(rt2x00dev, 14, 0xa0);
5118         rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
5119         rt2800_rfcsr_write(rt2x00dev, 16, 0x4c);
5120         rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
5121         rt2800_rfcsr_write(rt2x00dev, 18, 0xac);
5122         rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
5123         rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
5124         rt2800_rfcsr_write(rt2x00dev, 21, 0xd0);
5125         rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
5126         rt2800_rfcsr_write(rt2x00dev, 23, 0x3c);
5127         rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
5128         rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
5129         rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
5130         rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
5131         rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
5132         rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
5133         rt2800_rfcsr_write(rt2x00dev, 30, 0x09);
5134         rt2800_rfcsr_write(rt2x00dev, 31, 0x10);
5135
5136         rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
5137         rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
5138         rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
5139
5140         rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
5141         rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
5142         rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
5143         rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
5144         msleep(1);
5145         rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
5146         rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
5147         rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
5148         rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
5149
5150         rt2800_rx_filter_calibration(rt2x00dev);
5151         rt2800_led_open_drain_enable(rt2x00dev);
5152         rt2800_normal_mode_setup_3xxx(rt2x00dev);
5153 }
5154
5155 static void rt2800_init_rfcsr_5390(struct rt2x00_dev *rt2x00dev)
5156 {
5157         rt2800_rf_init_calibration(rt2x00dev, 2);
5158
5159         rt2800_rfcsr_write(rt2x00dev, 1, 0x0f);
5160         rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
5161         rt2800_rfcsr_write(rt2x00dev, 3, 0x88);
5162         rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
5163         if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
5164                 rt2800_rfcsr_write(rt2x00dev, 6, 0xe0);
5165         else
5166                 rt2800_rfcsr_write(rt2x00dev, 6, 0xa0);
5167         rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
5168         rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
5169         rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
5170         rt2800_rfcsr_write(rt2x00dev, 12, 0xc6);
5171         rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
5172         rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
5173         rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
5174         rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
5175         rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
5176         rt2800_rfcsr_write(rt2x00dev, 19, 0x00);
5177
5178         rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
5179         rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
5180         rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
5181         rt2800_rfcsr_write(rt2x00dev, 23, 0x00);
5182         rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
5183         if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
5184                 rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
5185         else
5186                 rt2800_rfcsr_write(rt2x00dev, 25, 0xc0);
5187         rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
5188         rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
5189         rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
5190         rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
5191
5192         rt2800_rfcsr_write(rt2x00dev, 30, 0x00);
5193         rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
5194         rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
5195         rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
5196         rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
5197         rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
5198         rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
5199         rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
5200         rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
5201         rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
5202
5203         if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
5204                 rt2800_rfcsr_write(rt2x00dev, 40, 0x0b);
5205         else
5206                 rt2800_rfcsr_write(rt2x00dev, 40, 0x4b);
5207         rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
5208         rt2800_rfcsr_write(rt2x00dev, 42, 0xd2);
5209         rt2800_rfcsr_write(rt2x00dev, 43, 0x9a);
5210         rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
5211         rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
5212         if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
5213                 rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
5214         else
5215                 rt2800_rfcsr_write(rt2x00dev, 46, 0x7b);
5216         rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
5217         rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
5218         rt2800_rfcsr_write(rt2x00dev, 49, 0x94);
5219
5220         rt2800_rfcsr_write(rt2x00dev, 52, 0x38);
5221         if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
5222                 rt2800_rfcsr_write(rt2x00dev, 53, 0x00);
5223         else
5224                 rt2800_rfcsr_write(rt2x00dev, 53, 0x84);
5225         rt2800_rfcsr_write(rt2x00dev, 54, 0x78);
5226         rt2800_rfcsr_write(rt2x00dev, 55, 0x44);
5227         rt2800_rfcsr_write(rt2x00dev, 56, 0x22);
5228         rt2800_rfcsr_write(rt2x00dev, 57, 0x80);
5229         rt2800_rfcsr_write(rt2x00dev, 58, 0x7f);
5230         rt2800_rfcsr_write(rt2x00dev, 59, 0x63);
5231
5232         rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
5233         if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
5234                 rt2800_rfcsr_write(rt2x00dev, 61, 0xd1);
5235         else
5236                 rt2800_rfcsr_write(rt2x00dev, 61, 0xdd);
5237         rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
5238         rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
5239
5240         rt2800_normal_mode_setup_5xxx(rt2x00dev);
5241
5242         rt2800_led_open_drain_enable(rt2x00dev);
5243 }
5244
5245 static void rt2800_init_rfcsr_5392(struct rt2x00_dev *rt2x00dev)
5246 {
5247         rt2800_rf_init_calibration(rt2x00dev, 2);
5248
5249         rt2800_rfcsr_write(rt2x00dev, 1, 0x17);
5250         rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
5251         rt2800_rfcsr_write(rt2x00dev, 3, 0x88);
5252         rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
5253         rt2800_rfcsr_write(rt2x00dev, 6, 0xe0);
5254         rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
5255         rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
5256         rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
5257         rt2800_rfcsr_write(rt2x00dev, 12, 0x46);
5258         rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
5259         rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
5260         rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
5261         rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
5262         rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
5263         rt2800_rfcsr_write(rt2x00dev, 19, 0x4d);
5264         rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
5265         rt2800_rfcsr_write(rt2x00dev, 21, 0x8d);
5266         rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
5267         rt2800_rfcsr_write(rt2x00dev, 23, 0x0b);
5268         rt2800_rfcsr_write(rt2x00dev, 24, 0x44);
5269         rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
5270         rt2800_rfcsr_write(rt2x00dev, 26, 0x82);
5271         rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
5272         rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
5273         rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
5274         rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
5275         rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
5276         rt2800_rfcsr_write(rt2x00dev, 32, 0x20);
5277         rt2800_rfcsr_write(rt2x00dev, 33, 0xC0);
5278         rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
5279         rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
5280         rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
5281         rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
5282         rt2800_rfcsr_write(rt2x00dev, 38, 0x89);
5283         rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
5284         rt2800_rfcsr_write(rt2x00dev, 40, 0x0f);
5285         rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
5286         rt2800_rfcsr_write(rt2x00dev, 42, 0xd5);
5287         rt2800_rfcsr_write(rt2x00dev, 43, 0x9b);
5288         rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
5289         rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
5290         rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
5291         rt2800_rfcsr_write(rt2x00dev, 47, 0x0c);
5292         rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
5293         rt2800_rfcsr_write(rt2x00dev, 49, 0x94);
5294         rt2800_rfcsr_write(rt2x00dev, 50, 0x94);
5295         rt2800_rfcsr_write(rt2x00dev, 51, 0x3a);
5296         rt2800_rfcsr_write(rt2x00dev, 52, 0x48);
5297         rt2800_rfcsr_write(rt2x00dev, 53, 0x44);
5298         rt2800_rfcsr_write(rt2x00dev, 54, 0x38);
5299         rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
5300         rt2800_rfcsr_write(rt2x00dev, 56, 0xa1);
5301         rt2800_rfcsr_write(rt2x00dev, 57, 0x00);
5302         rt2800_rfcsr_write(rt2x00dev, 58, 0x39);
5303         rt2800_rfcsr_write(rt2x00dev, 59, 0x07);
5304         rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
5305         rt2800_rfcsr_write(rt2x00dev, 61, 0x91);
5306         rt2800_rfcsr_write(rt2x00dev, 62, 0x39);
5307         rt2800_rfcsr_write(rt2x00dev, 63, 0x07);
5308
5309         rt2800_normal_mode_setup_5xxx(rt2x00dev);
5310
5311         rt2800_led_open_drain_enable(rt2x00dev);
5312 }
5313
5314 static void rt2800_init_rfcsr_5592(struct rt2x00_dev *rt2x00dev)
5315 {
5316         rt2800_rf_init_calibration(rt2x00dev, 30);
5317
5318         rt2800_rfcsr_write(rt2x00dev, 1, 0x3F);
5319         rt2800_rfcsr_write(rt2x00dev, 3, 0x08);
5320         rt2800_rfcsr_write(rt2x00dev, 3, 0x08);
5321         rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
5322         rt2800_rfcsr_write(rt2x00dev, 6, 0xE4);
5323         rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
5324         rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
5325         rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
5326         rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
5327         rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
5328         rt2800_rfcsr_write(rt2x00dev, 19, 0x4D);
5329         rt2800_rfcsr_write(rt2x00dev, 20, 0x10);
5330         rt2800_rfcsr_write(rt2x00dev, 21, 0x8D);
5331         rt2800_rfcsr_write(rt2x00dev, 26, 0x82);
5332         rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
5333         rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
5334         rt2800_rfcsr_write(rt2x00dev, 33, 0xC0);
5335         rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
5336         rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
5337         rt2800_rfcsr_write(rt2x00dev, 47, 0x0C);
5338         rt2800_rfcsr_write(rt2x00dev, 53, 0x22);
5339         rt2800_rfcsr_write(rt2x00dev, 63, 0x07);
5340
5341         rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
5342         msleep(1);
5343
5344         rt2800_adjust_freq_offset(rt2x00dev);
5345
5346         /* Enable DC filter */
5347         if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C))
5348                 rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5349
5350         rt2800_normal_mode_setup_5xxx(rt2x00dev);
5351
5352         if (rt2x00_rt_rev_lt(rt2x00dev, RT5592, REV_RT5592C))
5353                 rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
5354
5355         rt2800_led_open_drain_enable(rt2x00dev);
5356 }
5357
5358 static void rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
5359 {
5360         if (rt2800_is_305x_soc(rt2x00dev)) {
5361                 rt2800_init_rfcsr_305x_soc(rt2x00dev);
5362                 return;
5363         }
5364
5365         switch (rt2x00dev->chip.rt) {
5366         case RT3070:
5367         case RT3071:
5368         case RT3090:
5369                 rt2800_init_rfcsr_30xx(rt2x00dev);
5370                 break;
5371         case RT3290:
5372                 rt2800_init_rfcsr_3290(rt2x00dev);
5373                 break;
5374         case RT3352:
5375                 rt2800_init_rfcsr_3352(rt2x00dev);
5376                 break;
5377         case RT3390:
5378                 rt2800_init_rfcsr_3390(rt2x00dev);
5379                 break;
5380         case RT3572:
5381                 rt2800_init_rfcsr_3572(rt2x00dev);
5382                 break;
5383         case RT5390:
5384                 rt2800_init_rfcsr_5390(rt2x00dev);
5385                 break;
5386         case RT5392:
5387                 rt2800_init_rfcsr_5392(rt2x00dev);
5388                 break;
5389         case RT5592:
5390                 rt2800_init_rfcsr_5592(rt2x00dev);
5391                 break;
5392         }
5393 }
5394
5395 int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev)
5396 {
5397         u32 reg;
5398         u16 word;
5399
5400         /*
5401          * Initialize all registers.
5402          */
5403         if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
5404                      rt2800_init_registers(rt2x00dev)))
5405                 return -EIO;
5406
5407         /*
5408          * Send signal to firmware during boot time.
5409          */
5410         rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
5411         rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
5412         if (rt2x00_is_usb(rt2x00dev)) {
5413                 rt2800_register_write(rt2x00dev, H2M_INT_SRC, 0);
5414                 rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
5415         }
5416         msleep(1);
5417
5418         if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev) ||
5419                      rt2800_wait_bbp_ready(rt2x00dev)))
5420                 return -EIO;
5421
5422         rt2800_init_bbp(rt2x00dev);
5423         rt2800_init_rfcsr(rt2x00dev);
5424
5425         if (rt2x00_is_usb(rt2x00dev) &&
5426             (rt2x00_rt(rt2x00dev, RT3070) ||
5427              rt2x00_rt(rt2x00dev, RT3071) ||
5428              rt2x00_rt(rt2x00dev, RT3572))) {
5429                 udelay(200);
5430                 rt2800_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0);
5431                 udelay(10);
5432         }
5433
5434         /*
5435          * Enable RX.
5436          */
5437         rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
5438         rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
5439         rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
5440         rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
5441
5442         udelay(50);
5443
5444         rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
5445         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
5446         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
5447         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 2);
5448         rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
5449         rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
5450
5451         rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
5452         rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
5453         rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
5454         rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
5455
5456         /*
5457          * Initialize LED control
5458          */
5459         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED_AG_CONF, &word);
5460         rt2800_mcu_request(rt2x00dev, MCU_LED_AG_CONF, 0xff,
5461                            word & 0xff, (word >> 8) & 0xff);
5462
5463         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED_ACT_CONF, &word);
5464         rt2800_mcu_request(rt2x00dev, MCU_LED_ACT_CONF, 0xff,
5465                            word & 0xff, (word >> 8) & 0xff);
5466
5467         rt2x00_eeprom_read(rt2x00dev, EEPROM_LED_POLARITY, &word);
5468         rt2800_mcu_request(rt2x00dev, MCU_LED_LED_POLARITY, 0xff,
5469                            word & 0xff, (word >> 8) & 0xff);
5470
5471         return 0;
5472 }
5473 EXPORT_SYMBOL_GPL(rt2800_enable_radio);
5474
5475 void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev)
5476 {
5477         u32 reg;
5478
5479         rt2800_disable_wpdma(rt2x00dev);
5480
5481         /* Wait for DMA, ignore error */
5482         rt2800_wait_wpdma_ready(rt2x00dev);
5483
5484         rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
5485         rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 0);
5486         rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
5487         rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
5488 }
5489 EXPORT_SYMBOL_GPL(rt2800_disable_radio);
5490
5491 int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev)
5492 {
5493         u32 reg;
5494         u16 efuse_ctrl_reg;
5495
5496         if (rt2x00_rt(rt2x00dev, RT3290))
5497                 efuse_ctrl_reg = EFUSE_CTRL_3290;
5498         else
5499                 efuse_ctrl_reg = EFUSE_CTRL;
5500
5501         rt2800_register_read(rt2x00dev, efuse_ctrl_reg, &reg);
5502         return rt2x00_get_field32(reg, EFUSE_CTRL_PRESENT);
5503 }
5504 EXPORT_SYMBOL_GPL(rt2800_efuse_detect);
5505
5506 static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i)
5507 {
5508         u32 reg;
5509         u16 efuse_ctrl_reg;
5510         u16 efuse_data0_reg;
5511         u16 efuse_data1_reg;
5512         u16 efuse_data2_reg;
5513         u16 efuse_data3_reg;
5514
5515         if (rt2x00_rt(rt2x00dev, RT3290)) {
5516                 efuse_ctrl_reg = EFUSE_CTRL_3290;
5517                 efuse_data0_reg = EFUSE_DATA0_3290;
5518                 efuse_data1_reg = EFUSE_DATA1_3290;
5519                 efuse_data2_reg = EFUSE_DATA2_3290;
5520                 efuse_data3_reg = EFUSE_DATA3_3290;
5521         } else {
5522                 efuse_ctrl_reg = EFUSE_CTRL;
5523                 efuse_data0_reg = EFUSE_DATA0;
5524                 efuse_data1_reg = EFUSE_DATA1;
5525                 efuse_data2_reg = EFUSE_DATA2;
5526                 efuse_data3_reg = EFUSE_DATA3;
5527         }
5528         mutex_lock(&rt2x00dev->csr_mutex);
5529
5530         rt2800_register_read_lock(rt2x00dev, efuse_ctrl_reg, &reg);
5531         rt2x00_set_field32(&reg, EFUSE_CTRL_ADDRESS_IN, i);
5532         rt2x00_set_field32(&reg, EFUSE_CTRL_MODE, 0);
5533         rt2x00_set_field32(&reg, EFUSE_CTRL_KICK, 1);
5534         rt2800_register_write_lock(rt2x00dev, efuse_ctrl_reg, reg);
5535
5536         /* Wait until the EEPROM has been loaded */
5537         rt2800_regbusy_read(rt2x00dev, efuse_ctrl_reg, EFUSE_CTRL_KICK, &reg);
5538         /* Apparently the data is read from end to start */
5539         rt2800_register_read_lock(rt2x00dev, efuse_data3_reg, &reg);
5540         /* The returned value is in CPU order, but eeprom is le */
5541         *(u32 *)&rt2x00dev->eeprom[i] = cpu_to_le32(reg);
5542         rt2800_register_read_lock(rt2x00dev, efuse_data2_reg, &reg);
5543         *(u32 *)&rt2x00dev->eeprom[i + 2] = cpu_to_le32(reg);
5544         rt2800_register_read_lock(rt2x00dev, efuse_data1_reg, &reg);
5545         *(u32 *)&rt2x00dev->eeprom[i + 4] = cpu_to_le32(reg);
5546         rt2800_register_read_lock(rt2x00dev, efuse_data0_reg, &reg);
5547         *(u32 *)&rt2x00dev->eeprom[i + 6] = cpu_to_le32(reg);
5548
5549         mutex_unlock(&rt2x00dev->csr_mutex);
5550 }
5551
5552 int rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
5553 {
5554         unsigned int i;
5555
5556         for (i = 0; i < EEPROM_SIZE / sizeof(u16); i += 8)
5557                 rt2800_efuse_read(rt2x00dev, i);
5558
5559         return 0;
5560 }
5561 EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse);
5562
5563 static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
5564 {
5565         struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
5566         u16 word;
5567         u8 *mac;
5568         u8 default_lna_gain;
5569         int retval;
5570
5571         /*
5572          * Read the EEPROM.
5573          */
5574         retval = rt2800_read_eeprom(rt2x00dev);
5575         if (retval)
5576                 return retval;
5577
5578         /*
5579          * Start validation of the data that has been read.
5580          */
5581         mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
5582         if (!is_valid_ether_addr(mac)) {
5583                 eth_random_addr(mac);
5584                 rt2x00_eeprom_dbg(rt2x00dev, "MAC: %pM\n", mac);
5585         }
5586
5587         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &word);
5588         if (word == 0xffff) {
5589                 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2);
5590                 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_TXPATH, 1);
5591                 rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RF_TYPE, RF2820);
5592                 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word);
5593                 rt2x00_eeprom_dbg(rt2x00dev, "Antenna: 0x%04x\n", word);
5594         } else if (rt2x00_rt(rt2x00dev, RT2860) ||
5595                    rt2x00_rt(rt2x00dev, RT2872)) {
5596                 /*
5597                  * There is a max of 2 RX streams for RT28x0 series
5598                  */
5599                 if (rt2x00_get_field16(word, EEPROM_NIC_CONF0_RXPATH) > 2)
5600                         rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2);
5601                 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word);
5602         }
5603
5604         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &word);
5605         if (word == 0xffff) {
5606                 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_HW_RADIO, 0);
5607                 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_TX_ALC, 0);
5608                 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G, 0);
5609                 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G, 0);
5610                 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_CARDBUS_ACCEL, 0);
5611                 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_2G, 0);
5612                 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_5G, 0);
5613                 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_WPS_PBC, 0);
5614                 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_2G, 0);
5615                 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_5G, 0);
5616                 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BROADBAND_EXT_LNA, 0);
5617                 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_ANT_DIVERSITY, 0);
5618                 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_INTERNAL_TX_ALC, 0);
5619                 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BT_COEXIST, 0);
5620                 rt2x00_set_field16(&word, EEPROM_NIC_CONF1_DAC_TEST, 0);
5621                 rt2x00_eeprom_write(rt2x00dev, EEPROM_NIC_CONF1, word);
5622                 rt2x00_eeprom_dbg(rt2x00dev, "NIC: 0x%04x\n", word);
5623         }
5624
5625         rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
5626         if ((word & 0x00ff) == 0x00ff) {
5627                 rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
5628                 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
5629                 rt2x00_eeprom_dbg(rt2x00dev, "Freq: 0x%04x\n", word);
5630         }
5631         if ((word & 0xff00) == 0xff00) {
5632                 rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE,
5633                                    LED_MODE_TXRX_ACTIVITY);
5634                 rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0);
5635                 rt2x00_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
5636                 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED_AG_CONF, 0x5555);
5637                 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED_ACT_CONF, 0x2221);
5638                 rt2x00_eeprom_write(rt2x00dev, EEPROM_LED_POLARITY, 0xa9f8);
5639                 rt2x00_eeprom_dbg(rt2x00dev, "Led Mode: 0x%04x\n", word);
5640         }
5641
5642         /*
5643          * During the LNA validation we are going to use
5644          * lna0 as correct value. Note that EEPROM_LNA
5645          * is never validated.
5646          */
5647         rt2x00_eeprom_read(rt2x00dev, EEPROM_LNA, &word);
5648         default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0);
5649
5650         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &word);
5651         if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10)
5652                 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0);
5653         if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10)
5654                 rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
5655         rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
5656
5657         rt2x00_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG, &word);
5658         if ((word & 0x00ff) != 0x00ff) {
5659                 drv_data->txmixer_gain_24g =
5660                         rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_BG_VAL);
5661         } else {
5662                 drv_data->txmixer_gain_24g = 0;
5663         }
5664
5665         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word);
5666         if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
5667                 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
5668         if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
5669             rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
5670                 rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
5671                                    default_lna_gain);
5672         rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
5673
5674         rt2x00_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_A, &word);
5675         if ((word & 0x00ff) != 0x00ff) {
5676                 drv_data->txmixer_gain_5g =
5677                         rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_A_VAL);
5678         } else {
5679                 drv_data->txmixer_gain_5g = 0;
5680         }
5681
5682         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word);
5683         if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
5684                 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0);
5685         if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10)
5686                 rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0);
5687         rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word);
5688
5689         rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &word);
5690         if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
5691                 rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
5692         if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
5693             rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
5694                 rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
5695                                    default_lna_gain);
5696         rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
5697
5698         return 0;
5699 }
5700
5701 static int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
5702 {
5703         u16 value;
5704         u16 eeprom;
5705         u16 rf;
5706
5707         /*
5708          * Read EEPROM word for configuration.
5709          */
5710         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
5711
5712         /*
5713          * Identify RF chipset by EEPROM value
5714          * RT28xx/RT30xx: defined in "EEPROM_NIC_CONF0_RF_TYPE" field
5715          * RT53xx: defined in "EEPROM_CHIP_ID" field
5716          */
5717         if (rt2x00_rt(rt2x00dev, RT3290) ||
5718             rt2x00_rt(rt2x00dev, RT5390) ||
5719             rt2x00_rt(rt2x00dev, RT5392))
5720                 rt2x00_eeprom_read(rt2x00dev, EEPROM_CHIP_ID, &rf);
5721         else
5722                 rf = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RF_TYPE);
5723
5724         switch (rf) {
5725         case RF2820:
5726         case RF2850:
5727         case RF2720:
5728         case RF2750:
5729         case RF3020:
5730         case RF2020:
5731         case RF3021:
5732         case RF3022:
5733         case RF3052:
5734         case RF3290:
5735         case RF3320:
5736         case RF3322:
5737         case RF5360:
5738         case RF5370:
5739         case RF5372:
5740         case RF5390:
5741         case RF5392:
5742         case RF5592:
5743                 break;
5744         default:
5745                 rt2x00_err(rt2x00dev, "Invalid RF chipset 0x%04x detected\n",
5746                            rf);
5747                 return -ENODEV;
5748         }
5749
5750         rt2x00_set_rf(rt2x00dev, rf);
5751
5752         /*
5753          * Identify default antenna configuration.
5754          */
5755         rt2x00dev->default_ant.tx_chain_num =
5756             rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH);
5757         rt2x00dev->default_ant.rx_chain_num =
5758             rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH);
5759
5760         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
5761
5762         if (rt2x00_rt(rt2x00dev, RT3070) ||
5763             rt2x00_rt(rt2x00dev, RT3090) ||
5764             rt2x00_rt(rt2x00dev, RT3352) ||
5765             rt2x00_rt(rt2x00dev, RT3390)) {
5766                 value = rt2x00_get_field16(eeprom,
5767                                 EEPROM_NIC_CONF1_ANT_DIVERSITY);
5768                 switch (value) {
5769                 case 0:
5770                 case 1:
5771                 case 2:
5772                         rt2x00dev->default_ant.tx = ANTENNA_A;
5773                         rt2x00dev->default_ant.rx = ANTENNA_A;
5774                         break;
5775                 case 3:
5776                         rt2x00dev->default_ant.tx = ANTENNA_A;
5777                         rt2x00dev->default_ant.rx = ANTENNA_B;
5778                         break;
5779                 }
5780         } else {
5781                 rt2x00dev->default_ant.tx = ANTENNA_A;
5782                 rt2x00dev->default_ant.rx = ANTENNA_A;
5783         }
5784
5785         if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390R)) {
5786                 rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY; /* Unused */
5787                 rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY; /* Unused */
5788         }
5789
5790         /*
5791          * Determine external LNA informations.
5792          */
5793         if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G))
5794                 __set_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags);
5795         if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G))
5796                 __set_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags);
5797
5798         /*
5799          * Detect if this device has an hardware controlled radio.
5800          */
5801         if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_HW_RADIO))
5802                 __set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags);
5803
5804         /*
5805          * Detect if this device has Bluetooth co-existence.
5806          */
5807         if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_BT_COEXIST))
5808                 __set_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags);
5809
5810         /*
5811          * Read frequency offset and RF programming sequence.
5812          */
5813         rt2x00_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
5814         rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
5815
5816         /*
5817          * Store led settings, for correct led behaviour.
5818          */
5819 #ifdef CONFIG_RT2X00_LIB_LEDS
5820         rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
5821         rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
5822         rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
5823
5824         rt2x00dev->led_mcu_reg = eeprom;
5825 #endif /* CONFIG_RT2X00_LIB_LEDS */
5826
5827         /*
5828          * Check if support EIRP tx power limit feature.
5829          */
5830         rt2x00_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER, &eeprom);
5831
5832         if (rt2x00_get_field16(eeprom, EEPROM_EIRP_MAX_TX_POWER_2GHZ) <
5833                                         EIRP_MAX_TX_POWER_LIMIT)
5834                 __set_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags);
5835
5836         return 0;
5837 }
5838
5839 /*
5840  * RF value list for rt28xx
5841  * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
5842  */
5843 static const struct rf_channel rf_vals[] = {
5844         { 1,  0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b },
5845         { 2,  0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f },
5846         { 3,  0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b },
5847         { 4,  0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f },
5848         { 5,  0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b },
5849         { 6,  0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f },
5850         { 7,  0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b },
5851         { 8,  0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f },
5852         { 9,  0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b },
5853         { 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f },
5854         { 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b },
5855         { 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f },
5856         { 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b },
5857         { 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 },
5858
5859         /* 802.11 UNI / HyperLan 2 */
5860         { 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 },
5861         { 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 },
5862         { 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 },
5863         { 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 },
5864         { 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b },
5865         { 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b },
5866         { 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 },
5867         { 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 },
5868         { 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b },
5869         { 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 },
5870         { 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 },
5871         { 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 },
5872
5873         /* 802.11 HyperLan 2 */
5874         { 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 },
5875         { 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 },
5876         { 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 },
5877         { 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 },
5878         { 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 },
5879         { 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b },
5880         { 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 },
5881         { 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 },
5882         { 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 },
5883         { 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 },
5884         { 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b },
5885         { 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 },
5886         { 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b },
5887         { 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 },
5888         { 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b },
5889         { 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 },
5890
5891         /* 802.11 UNII */
5892         { 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 },
5893         { 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 },
5894         { 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f },
5895         { 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f },
5896         { 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 },
5897         { 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 },
5898         { 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 },
5899         { 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f },
5900         { 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 },
5901         { 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 },
5902         { 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f },
5903
5904         /* 802.11 Japan */
5905         { 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b },
5906         { 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 },
5907         { 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b },
5908         { 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 },
5909         { 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 },
5910         { 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b },
5911         { 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 },
5912 };
5913
5914 /*
5915  * RF value list for rt3xxx
5916  * Supports: 2.4 GHz (all) & 5.2 GHz (RF3052)
5917  */
5918 static const struct rf_channel rf_vals_3x[] = {
5919         {1,  241, 2, 2 },
5920         {2,  241, 2, 7 },
5921         {3,  242, 2, 2 },
5922         {4,  242, 2, 7 },
5923         {5,  243, 2, 2 },
5924         {6,  243, 2, 7 },
5925         {7,  244, 2, 2 },
5926         {8,  244, 2, 7 },
5927         {9,  245, 2, 2 },
5928         {10, 245, 2, 7 },
5929         {11, 246, 2, 2 },
5930         {12, 246, 2, 7 },
5931         {13, 247, 2, 2 },
5932         {14, 248, 2, 4 },
5933
5934         /* 802.11 UNI / HyperLan 2 */
5935         {36, 0x56, 0, 4},
5936         {38, 0x56, 0, 6},
5937         {40, 0x56, 0, 8},
5938         {44, 0x57, 0, 0},
5939         {46, 0x57, 0, 2},
5940         {48, 0x57, 0, 4},
5941         {52, 0x57, 0, 8},
5942         {54, 0x57, 0, 10},
5943         {56, 0x58, 0, 0},
5944         {60, 0x58, 0, 4},
5945         {62, 0x58, 0, 6},
5946         {64, 0x58, 0, 8},
5947
5948         /* 802.11 HyperLan 2 */
5949         {100, 0x5b, 0, 8},
5950         {102, 0x5b, 0, 10},
5951         {104, 0x5c, 0, 0},
5952         {108, 0x5c, 0, 4},
5953         {110, 0x5c, 0, 6},
5954         {112, 0x5c, 0, 8},
5955         {116, 0x5d, 0, 0},
5956         {118, 0x5d, 0, 2},
5957         {120, 0x5d, 0, 4},
5958         {124, 0x5d, 0, 8},
5959         {126, 0x5d, 0, 10},
5960         {128, 0x5e, 0, 0},
5961         {132, 0x5e, 0, 4},
5962         {134, 0x5e, 0, 6},
5963         {136, 0x5e, 0, 8},
5964         {140, 0x5f, 0, 0},
5965
5966         /* 802.11 UNII */
5967         {149, 0x5f, 0, 9},
5968         {151, 0x5f, 0, 11},
5969         {153, 0x60, 0, 1},
5970         {157, 0x60, 0, 5},
5971         {159, 0x60, 0, 7},
5972         {161, 0x60, 0, 9},
5973         {165, 0x61, 0, 1},
5974         {167, 0x61, 0, 3},
5975         {169, 0x61, 0, 5},
5976         {171, 0x61, 0, 7},
5977         {173, 0x61, 0, 9},
5978 };
5979
5980 static const struct rf_channel rf_vals_5592_xtal20[] = {
5981         /* Channel, N, K, mod, R */
5982         {1, 482, 4, 10, 3},
5983         {2, 483, 4, 10, 3},
5984         {3, 484, 4, 10, 3},
5985         {4, 485, 4, 10, 3},
5986         {5, 486, 4, 10, 3},
5987         {6, 487, 4, 10, 3},
5988         {7, 488, 4, 10, 3},
5989         {8, 489, 4, 10, 3},
5990         {9, 490, 4, 10, 3},
5991         {10, 491, 4, 10, 3},
5992         {11, 492, 4, 10, 3},
5993         {12, 493, 4, 10, 3},
5994         {13, 494, 4, 10, 3},
5995         {14, 496, 8, 10, 3},
5996         {36, 172, 8, 12, 1},
5997         {38, 173, 0, 12, 1},
5998         {40, 173, 4, 12, 1},
5999         {42, 173, 8, 12, 1},
6000         {44, 174, 0, 12, 1},
6001         {46, 174, 4, 12, 1},
6002         {48, 174, 8, 12, 1},
6003         {50, 175, 0, 12, 1},
6004         {52, 175, 4, 12, 1},
6005         {54, 175, 8, 12, 1},
6006         {56, 176, 0, 12, 1},
6007         {58, 176, 4, 12, 1},
6008         {60, 176, 8, 12, 1},
6009         {62, 177, 0, 12, 1},
6010         {64, 177, 4, 12, 1},
6011         {100, 183, 4, 12, 1},
6012         {102, 183, 8, 12, 1},
6013         {104, 184, 0, 12, 1},
6014         {106, 184, 4, 12, 1},
6015         {108, 184, 8, 12, 1},
6016         {110, 185, 0, 12, 1},
6017         {112, 185, 4, 12, 1},
6018         {114, 185, 8, 12, 1},
6019         {116, 186, 0, 12, 1},
6020         {118, 186, 4, 12, 1},
6021         {120, 186, 8, 12, 1},
6022         {122, 187, 0, 12, 1},
6023         {124, 187, 4, 12, 1},
6024         {126, 187, 8, 12, 1},
6025         {128, 188, 0, 12, 1},
6026         {130, 188, 4, 12, 1},
6027         {132, 188, 8, 12, 1},
6028         {134, 189, 0, 12, 1},
6029         {136, 189, 4, 12, 1},
6030         {138, 189, 8, 12, 1},
6031         {140, 190, 0, 12, 1},
6032         {149, 191, 6, 12, 1},
6033         {151, 191, 10, 12, 1},
6034         {153, 192, 2, 12, 1},
6035         {155, 192, 6, 12, 1},
6036         {157, 192, 10, 12, 1},
6037         {159, 193, 2, 12, 1},
6038         {161, 193, 6, 12, 1},
6039         {165, 194, 2, 12, 1},
6040         {184, 164, 0, 12, 1},
6041         {188, 164, 4, 12, 1},
6042         {192, 165, 8, 12, 1},
6043         {196, 166, 0, 12, 1},
6044 };
6045
6046 static const struct rf_channel rf_vals_5592_xtal40[] = {
6047         /* Channel, N, K, mod, R */
6048         {1, 241, 2, 10, 3},
6049         {2, 241, 7, 10, 3},
6050         {3, 242, 2, 10, 3},
6051         {4, 242, 7, 10, 3},
6052         {5, 243, 2, 10, 3},
6053         {6, 243, 7, 10, 3},
6054         {7, 244, 2, 10, 3},
6055         {8, 244, 7, 10, 3},
6056         {9, 245, 2, 10, 3},
6057         {10, 245, 7, 10, 3},
6058         {11, 246, 2, 10, 3},
6059         {12, 246, 7, 10, 3},
6060         {13, 247, 2, 10, 3},
6061         {14, 248, 4, 10, 3},
6062         {36, 86, 4, 12, 1},
6063         {38, 86, 6, 12, 1},
6064         {40, 86, 8, 12, 1},
6065         {42, 86, 10, 12, 1},
6066         {44, 87, 0, 12, 1},
6067         {46, 87, 2, 12, 1},
6068         {48, 87, 4, 12, 1},
6069         {50, 87, 6, 12, 1},
6070         {52, 87, 8, 12, 1},
6071         {54, 87, 10, 12, 1},
6072         {56, 88, 0, 12, 1},
6073         {58, 88, 2, 12, 1},
6074         {60, 88, 4, 12, 1},
6075         {62, 88, 6, 12, 1},
6076         {64, 88, 8, 12, 1},
6077         {100, 91, 8, 12, 1},
6078         {102, 91, 10, 12, 1},
6079         {104, 92, 0, 12, 1},
6080         {106, 92, 2, 12, 1},
6081         {108, 92, 4, 12, 1},
6082         {110, 92, 6, 12, 1},
6083         {112, 92, 8, 12, 1},
6084         {114, 92, 10, 12, 1},
6085         {116, 93, 0, 12, 1},
6086         {118, 93, 2, 12, 1},
6087         {120, 93, 4, 12, 1},
6088         {122, 93, 6, 12, 1},
6089         {124, 93, 8, 12, 1},
6090         {126, 93, 10, 12, 1},
6091         {128, 94, 0, 12, 1},
6092         {130, 94, 2, 12, 1},
6093         {132, 94, 4, 12, 1},
6094         {134, 94, 6, 12, 1},
6095         {136, 94, 8, 12, 1},
6096         {138, 94, 10, 12, 1},
6097         {140, 95, 0, 12, 1},
6098         {149, 95, 9, 12, 1},
6099         {151, 95, 11, 12, 1},
6100         {153, 96, 1, 12, 1},
6101         {155, 96, 3, 12, 1},
6102         {157, 96, 5, 12, 1},
6103         {159, 96, 7, 12, 1},
6104         {161, 96, 9, 12, 1},
6105         {165, 97, 1, 12, 1},
6106         {184, 82, 0, 12, 1},
6107         {188, 82, 4, 12, 1},
6108         {192, 82, 8, 12, 1},
6109         {196, 83, 0, 12, 1},
6110 };
6111
6112 static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
6113 {
6114         struct hw_mode_spec *spec = &rt2x00dev->spec;
6115         struct channel_info *info;
6116         char *default_power1;
6117         char *default_power2;
6118         unsigned int i;
6119         u16 eeprom;
6120         u32 reg;
6121
6122         /*
6123          * Disable powersaving as default on PCI devices.
6124          */
6125         if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev))
6126                 rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
6127
6128         /*
6129          * Initialize all hw fields.
6130          */
6131         rt2x00dev->hw->flags =
6132             IEEE80211_HW_SIGNAL_DBM |
6133             IEEE80211_HW_SUPPORTS_PS |
6134             IEEE80211_HW_PS_NULLFUNC_STACK |
6135             IEEE80211_HW_AMPDU_AGGREGATION |
6136             IEEE80211_HW_REPORTS_TX_ACK_STATUS;
6137
6138         /*
6139          * Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING for USB devices
6140          * unless we are capable of sending the buffered frames out after the
6141          * DTIM transmission using rt2x00lib_beacondone. This will send out
6142          * multicast and broadcast traffic immediately instead of buffering it
6143          * infinitly and thus dropping it after some time.
6144          */
6145         if (!rt2x00_is_usb(rt2x00dev))
6146                 rt2x00dev->hw->flags |=
6147                         IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
6148
6149         SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
6150         SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
6151                                 rt2x00_eeprom_addr(rt2x00dev,
6152                                                    EEPROM_MAC_ADDR_0));
6153
6154         /*
6155          * As rt2800 has a global fallback table we cannot specify
6156          * more then one tx rate per frame but since the hw will
6157          * try several rates (based on the fallback table) we should
6158          * initialize max_report_rates to the maximum number of rates
6159          * we are going to try. Otherwise mac80211 will truncate our
6160          * reported tx rates and the rc algortihm will end up with
6161          * incorrect data.
6162          */
6163         rt2x00dev->hw->max_rates = 1;
6164         rt2x00dev->hw->max_report_rates = 7;
6165         rt2x00dev->hw->max_rate_tries = 1;
6166
6167         rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
6168
6169         /*
6170          * Initialize hw_mode information.
6171          */
6172         spec->supported_bands = SUPPORT_BAND_2GHZ;
6173         spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
6174
6175         if (rt2x00_rf(rt2x00dev, RF2820) ||
6176             rt2x00_rf(rt2x00dev, RF2720)) {
6177                 spec->num_channels = 14;
6178                 spec->channels = rf_vals;
6179         } else if (rt2x00_rf(rt2x00dev, RF2850) ||
6180                    rt2x00_rf(rt2x00dev, RF2750)) {
6181                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
6182                 spec->num_channels = ARRAY_SIZE(rf_vals);
6183                 spec->channels = rf_vals;
6184         } else if (rt2x00_rf(rt2x00dev, RF3020) ||
6185                    rt2x00_rf(rt2x00dev, RF2020) ||
6186                    rt2x00_rf(rt2x00dev, RF3021) ||
6187                    rt2x00_rf(rt2x00dev, RF3022) ||
6188                    rt2x00_rf(rt2x00dev, RF3290) ||
6189                    rt2x00_rf(rt2x00dev, RF3320) ||
6190                    rt2x00_rf(rt2x00dev, RF3322) ||
6191                    rt2x00_rf(rt2x00dev, RF5360) ||
6192                    rt2x00_rf(rt2x00dev, RF5370) ||
6193                    rt2x00_rf(rt2x00dev, RF5372) ||
6194                    rt2x00_rf(rt2x00dev, RF5390) ||
6195                    rt2x00_rf(rt2x00dev, RF5392)) {
6196                 spec->num_channels = 14;
6197                 spec->channels = rf_vals_3x;
6198         } else if (rt2x00_rf(rt2x00dev, RF3052)) {
6199                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
6200                 spec->num_channels = ARRAY_SIZE(rf_vals_3x);
6201                 spec->channels = rf_vals_3x;
6202         } else if (rt2x00_rf(rt2x00dev, RF5592)) {
6203                 spec->supported_bands |= SUPPORT_BAND_5GHZ;
6204
6205                 rt2800_register_read(rt2x00dev, MAC_DEBUG_INDEX, &reg);
6206                 if (rt2x00_get_field32(reg, MAC_DEBUG_INDEX_XTAL)) {
6207                         spec->num_channels = ARRAY_SIZE(rf_vals_5592_xtal40);
6208                         spec->channels = rf_vals_5592_xtal40;
6209                 } else {
6210                         spec->num_channels = ARRAY_SIZE(rf_vals_5592_xtal20);
6211                         spec->channels = rf_vals_5592_xtal20;
6212                 }
6213         }
6214
6215         if (WARN_ON_ONCE(!spec->channels))
6216                 return -ENODEV;
6217
6218         /*
6219          * Initialize HT information.
6220          */
6221         if (!rt2x00_rf(rt2x00dev, RF2020))
6222                 spec->ht.ht_supported = true;
6223         else
6224                 spec->ht.ht_supported = false;
6225
6226         spec->ht.cap =
6227             IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
6228             IEEE80211_HT_CAP_GRN_FLD |
6229             IEEE80211_HT_CAP_SGI_20 |
6230             IEEE80211_HT_CAP_SGI_40;
6231
6232         if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) >= 2)
6233                 spec->ht.cap |= IEEE80211_HT_CAP_TX_STBC;
6234
6235         spec->ht.cap |=
6236             rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) <<
6237                 IEEE80211_HT_CAP_RX_STBC_SHIFT;
6238
6239         spec->ht.ampdu_factor = 3;
6240         spec->ht.ampdu_density = 4;
6241         spec->ht.mcs.tx_params =
6242             IEEE80211_HT_MCS_TX_DEFINED |
6243             IEEE80211_HT_MCS_TX_RX_DIFF |
6244             ((rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) - 1) <<
6245                 IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
6246
6247         switch (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH)) {
6248         case 3:
6249                 spec->ht.mcs.rx_mask[2] = 0xff;
6250         case 2:
6251                 spec->ht.mcs.rx_mask[1] = 0xff;
6252         case 1:
6253                 spec->ht.mcs.rx_mask[0] = 0xff;
6254                 spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */
6255                 break;
6256         }
6257
6258         /*
6259          * Create channel information array
6260          */
6261         info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
6262         if (!info)
6263                 return -ENOMEM;
6264
6265         spec->channels_info = info;
6266
6267         default_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
6268         default_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
6269
6270         for (i = 0; i < 14; i++) {
6271                 info[i].default_power1 = default_power1[i];
6272                 info[i].default_power2 = default_power2[i];
6273         }
6274
6275         if (spec->num_channels > 14) {
6276                 default_power1 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A1);
6277                 default_power2 = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A2);
6278
6279                 for (i = 14; i < spec->num_channels; i++) {
6280                         info[i].default_power1 = default_power1[i - 14];
6281                         info[i].default_power2 = default_power2[i - 14];
6282                 }
6283         }
6284
6285         switch (rt2x00dev->chip.rf) {
6286         case RF2020:
6287         case RF3020:
6288         case RF3021:
6289         case RF3022:
6290         case RF3320:
6291         case RF3052:
6292         case RF3290:
6293         case RF5360:
6294         case RF5370:
6295         case RF5372:
6296         case RF5390:
6297         case RF5392:
6298                 __set_bit(CAPABILITY_VCO_RECALIBRATION, &rt2x00dev->cap_flags);
6299                 break;
6300         }
6301
6302         return 0;
6303 }
6304
6305 static int rt2800_probe_rt(struct rt2x00_dev *rt2x00dev)
6306 {
6307         u32 reg;
6308         u32 rt;
6309         u32 rev;
6310
6311         if (rt2x00_rt(rt2x00dev, RT3290))
6312                 rt2800_register_read(rt2x00dev, MAC_CSR0_3290, &reg);
6313         else
6314                 rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
6315
6316         rt = rt2x00_get_field32(reg, MAC_CSR0_CHIPSET);
6317         rev = rt2x00_get_field32(reg, MAC_CSR0_REVISION);
6318
6319         switch (rt) {
6320         case RT2860:
6321         case RT2872:
6322         case RT2883:
6323         case RT3070:
6324         case RT3071:
6325         case RT3090:
6326         case RT3290:
6327         case RT3352:
6328         case RT3390:
6329         case RT3572:
6330         case RT5390:
6331         case RT5392:
6332         case RT5592:
6333                 break;
6334         default:
6335                 rt2x00_err(rt2x00dev, "Invalid RT chipset 0x%04x, rev %04x detected\n",
6336                            rt, rev);
6337                 return -ENODEV;
6338         }
6339
6340         rt2x00_set_rt(rt2x00dev, rt, rev);
6341
6342         return 0;
6343 }
6344
6345 int rt2800_probe_hw(struct rt2x00_dev *rt2x00dev)
6346 {
6347         int retval;
6348         u32 reg;
6349
6350         retval = rt2800_probe_rt(rt2x00dev);
6351         if (retval)
6352                 return retval;
6353
6354         /*
6355          * Allocate eeprom data.
6356          */
6357         retval = rt2800_validate_eeprom(rt2x00dev);
6358         if (retval)
6359                 return retval;
6360
6361         retval = rt2800_init_eeprom(rt2x00dev);
6362         if (retval)
6363                 return retval;
6364
6365         /*
6366          * Enable rfkill polling by setting GPIO direction of the
6367          * rfkill switch GPIO pin correctly.
6368          */
6369         rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
6370         rt2x00_set_field32(&reg, GPIO_CTRL_DIR2, 1);
6371         rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
6372
6373         /*
6374          * Initialize hw specifications.
6375          */
6376         retval = rt2800_probe_hw_mode(rt2x00dev);
6377         if (retval)
6378                 return retval;
6379
6380         /*
6381          * Set device capabilities.
6382          */
6383         __set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
6384         __set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
6385         if (!rt2x00_is_usb(rt2x00dev))
6386                 __set_bit(CAPABILITY_PRE_TBTT_INTERRUPT, &rt2x00dev->cap_flags);
6387
6388         /*
6389          * Set device requirements.
6390          */
6391         if (!rt2x00_is_soc(rt2x00dev))
6392                 __set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
6393         __set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
6394         __set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
6395         if (!rt2800_hwcrypt_disabled(rt2x00dev))
6396                 __set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
6397         __set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
6398         __set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
6399         if (rt2x00_is_usb(rt2x00dev))
6400                 __set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags);
6401         else {
6402                 __set_bit(REQUIRE_DMA, &rt2x00dev->cap_flags);
6403                 __set_bit(REQUIRE_TASKLET_CONTEXT, &rt2x00dev->cap_flags);
6404         }
6405
6406         /*
6407          * Set the rssi offset.
6408          */
6409         rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
6410
6411         return 0;
6412 }
6413 EXPORT_SYMBOL_GPL(rt2800_probe_hw);
6414
6415 /*
6416  * IEEE80211 stack callback functions.
6417  */
6418 void rt2800_get_tkip_seq(struct ieee80211_hw *hw, u8 hw_key_idx, u32 *iv32,
6419                          u16 *iv16)
6420 {
6421         struct rt2x00_dev *rt2x00dev = hw->priv;
6422         struct mac_iveiv_entry iveiv_entry;
6423         u32 offset;
6424
6425         offset = MAC_IVEIV_ENTRY(hw_key_idx);
6426         rt2800_register_multiread(rt2x00dev, offset,
6427                                       &iveiv_entry, sizeof(iveiv_entry));
6428
6429         memcpy(iv16, &iveiv_entry.iv[0], sizeof(*iv16));
6430         memcpy(iv32, &iveiv_entry.iv[4], sizeof(*iv32));
6431 }
6432 EXPORT_SYMBOL_GPL(rt2800_get_tkip_seq);
6433
6434 int rt2800_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
6435 {
6436         struct rt2x00_dev *rt2x00dev = hw->priv;
6437         u32 reg;
6438         bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
6439
6440         rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
6441         rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES, value);
6442         rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
6443
6444         rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
6445         rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, enabled);
6446         rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
6447
6448         rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
6449         rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, enabled);
6450         rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
6451
6452         rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
6453         rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, enabled);
6454         rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
6455
6456         rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
6457         rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, enabled);
6458         rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
6459
6460         rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
6461         rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, enabled);
6462         rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
6463
6464         rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
6465         rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, enabled);
6466         rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
6467
6468         return 0;
6469 }
6470 EXPORT_SYMBOL_GPL(rt2800_set_rts_threshold);
6471
6472 int rt2800_conf_tx(struct ieee80211_hw *hw,
6473                    struct ieee80211_vif *vif, u16 queue_idx,
6474                    const struct ieee80211_tx_queue_params *params)
6475 {
6476         struct rt2x00_dev *rt2x00dev = hw->priv;
6477         struct data_queue *queue;
6478         struct rt2x00_field32 field;
6479         int retval;
6480         u32 reg;
6481         u32 offset;
6482
6483         /*
6484          * First pass the configuration through rt2x00lib, that will
6485          * update the queue settings and validate the input. After that
6486          * we are free to update the registers based on the value
6487          * in the queue parameter.
6488          */
6489         retval = rt2x00mac_conf_tx(hw, vif, queue_idx, params);
6490         if (retval)
6491                 return retval;
6492
6493         /*
6494          * We only need to perform additional register initialization
6495          * for WMM queues/
6496          */
6497         if (queue_idx >= 4)
6498                 return 0;
6499
6500         queue = rt2x00queue_get_tx_queue(rt2x00dev, queue_idx);
6501
6502         /* Update WMM TXOP register */
6503         offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2)));
6504         field.bit_offset = (queue_idx & 1) * 16;
6505         field.bit_mask = 0xffff << field.bit_offset;
6506
6507         rt2800_register_read(rt2x00dev, offset, &reg);
6508         rt2x00_set_field32(&reg, field, queue->txop);
6509         rt2800_register_write(rt2x00dev, offset, reg);
6510
6511         /* Update WMM registers */
6512         field.bit_offset = queue_idx * 4;
6513         field.bit_mask = 0xf << field.bit_offset;
6514
6515         rt2800_register_read(rt2x00dev, WMM_AIFSN_CFG, &reg);
6516         rt2x00_set_field32(&reg, field, queue->aifs);
6517         rt2800_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
6518
6519         rt2800_register_read(rt2x00dev, WMM_CWMIN_CFG, &reg);
6520         rt2x00_set_field32(&reg, field, queue->cw_min);
6521         rt2800_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
6522
6523         rt2800_register_read(rt2x00dev, WMM_CWMAX_CFG, &reg);
6524         rt2x00_set_field32(&reg, field, queue->cw_max);
6525         rt2800_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
6526
6527         /* Update EDCA registers */
6528         offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
6529
6530         rt2800_register_read(rt2x00dev, offset, &reg);
6531         rt2x00_set_field32(&reg, EDCA_AC0_CFG_TX_OP, queue->txop);
6532         rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
6533         rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
6534         rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
6535         rt2800_register_write(rt2x00dev, offset, reg);
6536
6537         return 0;
6538 }
6539 EXPORT_SYMBOL_GPL(rt2800_conf_tx);
6540
6541 u64 rt2800_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
6542 {
6543         struct rt2x00_dev *rt2x00dev = hw->priv;
6544         u64 tsf;
6545         u32 reg;
6546
6547         rt2800_register_read(rt2x00dev, TSF_TIMER_DW1, &reg);
6548         tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
6549         rt2800_register_read(rt2x00dev, TSF_TIMER_DW0, &reg);
6550         tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
6551
6552         return tsf;
6553 }
6554 EXPORT_SYMBOL_GPL(rt2800_get_tsf);
6555
6556 int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
6557                         enum ieee80211_ampdu_mlme_action action,
6558                         struct ieee80211_sta *sta, u16 tid, u16 *ssn,
6559                         u8 buf_size)
6560 {
6561         struct rt2x00_sta *sta_priv = (struct rt2x00_sta *)sta->drv_priv;
6562         int ret = 0;
6563
6564         /*
6565          * Don't allow aggregation for stations the hardware isn't aware
6566          * of because tx status reports for frames to an unknown station
6567          * always contain wcid=255 and thus we can't distinguish between
6568          * multiple stations which leads to unwanted situations when the
6569          * hw reorders frames due to aggregation.
6570          */
6571         if (sta_priv->wcid < 0)
6572                 return 1;
6573
6574         switch (action) {
6575         case IEEE80211_AMPDU_RX_START:
6576         case IEEE80211_AMPDU_RX_STOP:
6577                 /*
6578                  * The hw itself takes care of setting up BlockAck mechanisms.
6579                  * So, we only have to allow mac80211 to nagotiate a BlockAck
6580                  * agreement. Once that is done, the hw will BlockAck incoming
6581                  * AMPDUs without further setup.
6582                  */
6583                 break;
6584         case IEEE80211_AMPDU_TX_START:
6585                 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
6586                 break;
6587         case IEEE80211_AMPDU_TX_STOP_CONT:
6588         case IEEE80211_AMPDU_TX_STOP_FLUSH:
6589         case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
6590                 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
6591                 break;
6592         case IEEE80211_AMPDU_TX_OPERATIONAL:
6593                 break;
6594         default:
6595                 rt2x00_warn((struct rt2x00_dev *)hw->priv,
6596                             "Unknown AMPDU action\n");
6597         }
6598
6599         return ret;
6600 }
6601 EXPORT_SYMBOL_GPL(rt2800_ampdu_action);
6602
6603 int rt2800_get_survey(struct ieee80211_hw *hw, int idx,
6604                       struct survey_info *survey)
6605 {
6606         struct rt2x00_dev *rt2x00dev = hw->priv;
6607         struct ieee80211_conf *conf = &hw->conf;
6608         u32 idle, busy, busy_ext;
6609
6610         if (idx != 0)
6611                 return -ENOENT;
6612
6613         survey->channel = conf->chandef.chan;
6614
6615         rt2800_register_read(rt2x00dev, CH_IDLE_STA, &idle);
6616         rt2800_register_read(rt2x00dev, CH_BUSY_STA, &busy);
6617         rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC, &busy_ext);
6618
6619         if (idle || busy) {
6620                 survey->filled = SURVEY_INFO_CHANNEL_TIME |
6621                                  SURVEY_INFO_CHANNEL_TIME_BUSY |
6622                                  SURVEY_INFO_CHANNEL_TIME_EXT_BUSY;
6623
6624                 survey->channel_time = (idle + busy) / 1000;
6625                 survey->channel_time_busy = busy / 1000;
6626                 survey->channel_time_ext_busy = busy_ext / 1000;
6627         }
6628
6629         if (!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL))
6630                 survey->filled |= SURVEY_INFO_IN_USE;
6631
6632         return 0;
6633
6634 }
6635 EXPORT_SYMBOL_GPL(rt2800_get_survey);
6636
6637 MODULE_AUTHOR(DRV_PROJECT ", Bartlomiej Zolnierkiewicz");
6638 MODULE_VERSION(DRV_VERSION);
6639 MODULE_DESCRIPTION("Ralink RT2800 library");
6640 MODULE_LICENSE("GPL");