Merge remote-tracking branches 'spi/fix/dt', 'spi/fix/fsl-dspi' and 'spi/fix/fsl...
[cascardo/linux.git] / drivers / net / wireless / realtek / rtlwifi / rtl8188ee / sw.c
1 /******************************************************************************
2  *
3  * Copyright(c) 2009-2013  Realtek Corporation.
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms of version 2 of the GNU General Public License as
7  * published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
12  * more details.
13  *
14  * The full GNU General Public License is included in this distribution in the
15  * file called LICENSE.
16  *
17  * Contact Information:
18  * wlanfae <wlanfae@realtek.com>
19  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
20  * Hsinchu 300, Taiwan.
21  *
22  * Larry Finger <Larry.Finger@lwfinger.net>
23  *
24  *****************************************************************************/
25
26 #include "../wifi.h"
27 #include "../core.h"
28 #include "../pci.h"
29 #include "reg.h"
30 #include "def.h"
31 #include "phy.h"
32 #include "dm.h"
33 #include "hw.h"
34 #include "sw.h"
35 #include "trx.h"
36 #include "led.h"
37 #include "table.h"
38
39 #include <linux/vmalloc.h>
40 #include <linux/module.h>
41
42 static void rtl88e_init_aspm_vars(struct ieee80211_hw *hw)
43 {
44         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
45
46         /*close ASPM for AMD defaultly */
47         rtlpci->const_amdpci_aspm = 0;
48
49         /* ASPM PS mode.
50          * 0 - Disable ASPM,
51          * 1 - Enable ASPM without Clock Req,
52          * 2 - Enable ASPM with Clock Req,
53          * 3 - Alwyas Enable ASPM with Clock Req,
54          * 4 - Always Enable ASPM without Clock Req.
55          * set defult to RTL8192CE:3 RTL8192E:2
56          */
57         rtlpci->const_pci_aspm = 3;
58
59         /*Setting for PCI-E device */
60         rtlpci->const_devicepci_aspm_setting = 0x03;
61
62         /*Setting for PCI-E bridge */
63         rtlpci->const_hostpci_aspm_setting = 0x02;
64
65         /* In Hw/Sw Radio Off situation.
66          * 0 - Default,
67          * 1 - From ASPM setting without low Mac Pwr,
68          * 2 - From ASPM setting with low Mac Pwr,
69          * 3 - Bus D3
70          * set default to RTL8192CE:0 RTL8192SE:2
71          */
72         rtlpci->const_hwsw_rfoff_d3 = 0;
73
74         /* This setting works for those device with
75          * backdoor ASPM setting such as EPHY setting.
76          * 0 - Not support ASPM,
77          * 1 - Support ASPM,
78          * 2 - According to chipset.
79          */
80         rtlpci->const_support_pciaspm = 1;
81 }
82
83 int rtl88e_init_sw_vars(struct ieee80211_hw *hw)
84 {
85         int err = 0;
86         struct rtl_priv *rtlpriv = rtl_priv(hw);
87         struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
88         u8 tid;
89
90         rtl8188ee_bt_reg_init(hw);
91         rtlpriv->dm.dm_initialgain_enable = 1;
92         rtlpriv->dm.dm_flag = 0;
93         rtlpriv->dm.disable_framebursting = 0;
94         rtlpriv->dm.thermalvalue = 0;
95         rtlpci->transmit_config = CFENDFORM | BIT(15);
96
97         /* compatible 5G band 88ce just 2.4G band & smsp */
98         rtlpriv->rtlhal.current_bandtype = BAND_ON_2_4G;
99         rtlpriv->rtlhal.bandset = BAND_ON_2_4G;
100         rtlpriv->rtlhal.macphymode = SINGLEMAC_SINGLEPHY;
101
102         rtlpci->receive_config = (RCR_APPFCS |
103                                   RCR_APP_MIC |
104                                   RCR_APP_ICV |
105                                   RCR_APP_PHYST_RXFF |
106                                   RCR_HTC_LOC_CTRL |
107                                   RCR_AMF |
108                                   RCR_ACF |
109                                   RCR_ADF |
110                                   RCR_AICV |
111                                   RCR_ACRC32 |
112                                   RCR_AB |
113                                   RCR_AM |
114                                   RCR_APM |
115                                   0);
116
117         rtlpci->irq_mask[0] =
118                                 (u32)(IMR_PSTIMEOUT     |
119                                 IMR_HSISR_IND_ON_INT    |
120                                 IMR_C2HCMD              |
121                                 IMR_HIGHDOK             |
122                                 IMR_MGNTDOK             |
123                                 IMR_BKDOK               |
124                                 IMR_BEDOK               |
125                                 IMR_VIDOK               |
126                                 IMR_VODOK               |
127                                 IMR_RDU                 |
128                                 IMR_ROK                 |
129                                 0);
130         rtlpci->irq_mask[1] = (u32) (IMR_RXFOVW | 0);
131         rtlpci->sys_irq_mask = (u32) (HSIMR_PDN_INT_EN | HSIMR_RON_INT_EN);
132
133         /* for debug level */
134         rtlpriv->dbg.global_debuglevel = rtlpriv->cfg->mod_params->debug;
135         /* for LPS & IPS */
136         rtlpriv->psc.inactiveps = rtlpriv->cfg->mod_params->inactiveps;
137         rtlpriv->psc.swctrl_lps = rtlpriv->cfg->mod_params->swctrl_lps;
138         rtlpriv->psc.fwctrl_lps = rtlpriv->cfg->mod_params->fwctrl_lps;
139         rtlpci->msi_support = rtlpriv->cfg->mod_params->msi_support;
140         rtlpriv->cfg->mod_params->sw_crypto =
141                 rtlpriv->cfg->mod_params->sw_crypto;
142         rtlpriv->cfg->mod_params->disable_watchdog =
143                 rtlpriv->cfg->mod_params->disable_watchdog;
144         if (rtlpriv->cfg->mod_params->disable_watchdog)
145                 pr_info("watchdog disabled\n");
146         if (!rtlpriv->psc.inactiveps)
147                 pr_info("rtl8188ee: Power Save off (module option)\n");
148         if (!rtlpriv->psc.fwctrl_lps)
149                 pr_info("rtl8188ee: FW Power Save off (module option)\n");
150         rtlpriv->psc.reg_fwctrl_lps = 3;
151         rtlpriv->psc.reg_max_lps_awakeintvl = 5;
152         /* for ASPM, you can close aspm through
153          * set const_support_pciaspm = 0
154          */
155         rtl88e_init_aspm_vars(hw);
156
157         if (rtlpriv->psc.reg_fwctrl_lps == 1)
158                 rtlpriv->psc.fwctrl_psmode = FW_PS_MIN_MODE;
159         else if (rtlpriv->psc.reg_fwctrl_lps == 2)
160                 rtlpriv->psc.fwctrl_psmode = FW_PS_MAX_MODE;
161         else if (rtlpriv->psc.reg_fwctrl_lps == 3)
162                 rtlpriv->psc.fwctrl_psmode = FW_PS_DTIM_MODE;
163
164         /* for firmware buf */
165         rtlpriv->rtlhal.pfirmware = vzalloc(0x8000);
166         if (!rtlpriv->rtlhal.pfirmware) {
167                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
168                          "Can't alloc buffer for fw.\n");
169                 return 1;
170         }
171
172         rtlpriv->cfg->fw_name = "rtlwifi/rtl8188efw.bin";
173         rtlpriv->max_fw_size = 0x8000;
174         pr_info("Using firmware %s\n", rtlpriv->cfg->fw_name);
175         err = request_firmware_nowait(THIS_MODULE, 1, rtlpriv->cfg->fw_name,
176                                       rtlpriv->io.dev, GFP_KERNEL, hw,
177                                       rtl_fw_cb);
178         if (err) {
179                 RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
180                          "Failed to request firmware!\n");
181                 return 1;
182         }
183
184         /* for early mode */
185         rtlpriv->rtlhal.earlymode_enable = false;
186         rtlpriv->rtlhal.max_earlymode_num = 10;
187         for (tid = 0; tid < 8; tid++)
188                 skb_queue_head_init(&rtlpriv->mac80211.skb_waitq[tid]);
189
190         /*low power */
191         rtlpriv->psc.low_power_enable = false;
192         if (rtlpriv->psc.low_power_enable) {
193                 init_timer(&rtlpriv->works.fw_clockoff_timer);
194                 setup_timer(&rtlpriv->works.fw_clockoff_timer,
195                             rtl88ee_fw_clk_off_timer_callback,
196                             (unsigned long)hw);
197         }
198
199         init_timer(&rtlpriv->works.fast_antenna_training_timer);
200         setup_timer(&rtlpriv->works.fast_antenna_training_timer,
201                     rtl88e_dm_fast_antenna_training_callback,
202                         (unsigned long)hw);
203         return err;
204 }
205
206 void rtl88e_deinit_sw_vars(struct ieee80211_hw *hw)
207 {
208         struct rtl_priv *rtlpriv = rtl_priv(hw);
209
210         if (rtlpriv->rtlhal.pfirmware) {
211                 vfree(rtlpriv->rtlhal.pfirmware);
212                 rtlpriv->rtlhal.pfirmware = NULL;
213         }
214
215         if (rtlpriv->psc.low_power_enable)
216                 del_timer_sync(&rtlpriv->works.fw_clockoff_timer);
217
218         del_timer_sync(&rtlpriv->works.fast_antenna_training_timer);
219 }
220
221 /* get bt coexist status */
222 bool rtl88e_get_btc_status(void)
223 {
224         return false;
225 }
226
227 static struct rtl_hal_ops rtl8188ee_hal_ops = {
228         .init_sw_vars = rtl88e_init_sw_vars,
229         .deinit_sw_vars = rtl88e_deinit_sw_vars,
230         .read_eeprom_info = rtl88ee_read_eeprom_info,
231         .interrupt_recognized = rtl88ee_interrupt_recognized,/*need check*/
232         .hw_init = rtl88ee_hw_init,
233         .hw_disable = rtl88ee_card_disable,
234         .hw_suspend = rtl88ee_suspend,
235         .hw_resume = rtl88ee_resume,
236         .enable_interrupt = rtl88ee_enable_interrupt,
237         .disable_interrupt = rtl88ee_disable_interrupt,
238         .set_network_type = rtl88ee_set_network_type,
239         .set_chk_bssid = rtl88ee_set_check_bssid,
240         .set_qos = rtl88ee_set_qos,
241         .set_bcn_reg = rtl88ee_set_beacon_related_registers,
242         .set_bcn_intv = rtl88ee_set_beacon_interval,
243         .update_interrupt_mask = rtl88ee_update_interrupt_mask,
244         .get_hw_reg = rtl88ee_get_hw_reg,
245         .set_hw_reg = rtl88ee_set_hw_reg,
246         .update_rate_tbl = rtl88ee_update_hal_rate_tbl,
247         .fill_tx_desc = rtl88ee_tx_fill_desc,
248         .fill_tx_cmddesc = rtl88ee_tx_fill_cmddesc,
249         .query_rx_desc = rtl88ee_rx_query_desc,
250         .set_channel_access = rtl88ee_update_channel_access_setting,
251         .radio_onoff_checking = rtl88ee_gpio_radio_on_off_checking,
252         .set_bw_mode = rtl88e_phy_set_bw_mode,
253         .switch_channel = rtl88e_phy_sw_chnl,
254         .dm_watchdog = rtl88e_dm_watchdog,
255         .scan_operation_backup = rtl88e_phy_scan_operation_backup,
256         .set_rf_power_state = rtl88e_phy_set_rf_power_state,
257         .led_control = rtl88ee_led_control,
258         .set_desc = rtl88ee_set_desc,
259         .get_desc = rtl88ee_get_desc,
260         .is_tx_desc_closed = rtl88ee_is_tx_desc_closed,
261         .tx_polling = rtl88ee_tx_polling,
262         .enable_hw_sec = rtl88ee_enable_hw_security_config,
263         .set_key = rtl88ee_set_key,
264         .init_sw_leds = rtl88ee_init_sw_leds,
265         .get_bbreg = rtl88e_phy_query_bb_reg,
266         .set_bbreg = rtl88e_phy_set_bb_reg,
267         .get_rfreg = rtl88e_phy_query_rf_reg,
268         .set_rfreg = rtl88e_phy_set_rf_reg,
269         .get_btc_status = rtl88e_get_btc_status,
270         .rx_command_packet = rtl88ee_rx_command_packet,
271
272 };
273
274 static struct rtl_mod_params rtl88ee_mod_params = {
275         .sw_crypto = false,
276         .inactiveps = false,
277         .swctrl_lps = false,
278         .fwctrl_lps = false,
279         .msi_support = true,
280         .debug = DBG_EMERG,
281 };
282
283 static const struct rtl_hal_cfg rtl88ee_hal_cfg = {
284         .bar_id = 2,
285         .write_readback = true,
286         .name = "rtl88e_pci",
287         .fw_name = "rtlwifi/rtl8188efw.bin",
288         .ops = &rtl8188ee_hal_ops,
289         .mod_params = &rtl88ee_mod_params,
290
291         .maps[SYS_ISO_CTRL] = REG_SYS_ISO_CTRL,
292         .maps[SYS_FUNC_EN] = REG_SYS_FUNC_EN,
293         .maps[SYS_CLK] = REG_SYS_CLKR,
294         .maps[MAC_RCR_AM] = AM,
295         .maps[MAC_RCR_AB] = AB,
296         .maps[MAC_RCR_ACRC32] = ACRC32,
297         .maps[MAC_RCR_ACF] = ACF,
298         .maps[MAC_RCR_AAP] = AAP,
299         .maps[MAC_HIMR] = REG_HIMR,
300         .maps[MAC_HIMRE] = REG_HIMRE,
301         .maps[MAC_HSISR] = REG_HSISR,
302
303         .maps[EFUSE_ACCESS] = REG_EFUSE_ACCESS,
304
305         .maps[EFUSE_TEST] = REG_EFUSE_TEST,
306         .maps[EFUSE_CTRL] = REG_EFUSE_CTRL,
307         .maps[EFUSE_CLK] = 0,
308         .maps[EFUSE_CLK_CTRL] = REG_EFUSE_CTRL,
309         .maps[EFUSE_PWC_EV12V] = PWC_EV12V,
310         .maps[EFUSE_FEN_ELDR] = FEN_ELDR,
311         .maps[EFUSE_LOADER_CLK_EN] = LOADER_CLK_EN,
312         .maps[EFUSE_ANA8M] = ANA8M,
313         .maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE,
314         .maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
315         .maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
316         .maps[EFUSE_OOB_PROTECT_BYTES_LEN] = EFUSE_OOB_PROTECT_BYTES,
317
318         .maps[RWCAM] = REG_CAMCMD,
319         .maps[WCAMI] = REG_CAMWRITE,
320         .maps[RCAMO] = REG_CAMREAD,
321         .maps[CAMDBG] = REG_CAMDBG,
322         .maps[SECR] = REG_SECCFG,
323         .maps[SEC_CAM_NONE] = CAM_NONE,
324         .maps[SEC_CAM_WEP40] = CAM_WEP40,
325         .maps[SEC_CAM_TKIP] = CAM_TKIP,
326         .maps[SEC_CAM_AES] = CAM_AES,
327         .maps[SEC_CAM_WEP104] = CAM_WEP104,
328
329         .maps[RTL_IMR_BCNDMAINT6] = IMR_BCNDMAINT6,
330         .maps[RTL_IMR_BCNDMAINT5] = IMR_BCNDMAINT5,
331         .maps[RTL_IMR_BCNDMAINT4] = IMR_BCNDMAINT4,
332         .maps[RTL_IMR_BCNDMAINT3] = IMR_BCNDMAINT3,
333         .maps[RTL_IMR_BCNDMAINT2] = IMR_BCNDMAINT2,
334         .maps[RTL_IMR_BCNDMAINT1] = IMR_BCNDMAINT1,
335 /*      .maps[RTL_IMR_BCNDOK8] = IMR_BCNDOK8,     */   /*need check*/
336         .maps[RTL_IMR_BCNDOK7] = IMR_BCNDOK7,
337         .maps[RTL_IMR_BCNDOK6] = IMR_BCNDOK6,
338         .maps[RTL_IMR_BCNDOK5] = IMR_BCNDOK5,
339         .maps[RTL_IMR_BCNDOK4] = IMR_BCNDOK4,
340         .maps[RTL_IMR_BCNDOK3] = IMR_BCNDOK3,
341         .maps[RTL_IMR_BCNDOK2] = IMR_BCNDOK2,
342         .maps[RTL_IMR_BCNDOK1] = IMR_BCNDOK1,
343 /*      .maps[RTL_IMR_TIMEOUT2] = IMR_TIMEOUT2,*/
344 /*      .maps[RTL_IMR_TIMEOUT1] = IMR_TIMEOUT1,*/
345
346         .maps[RTL_IMR_TXFOVW] = IMR_TXFOVW,
347         .maps[RTL_IMR_PSTIMEOUT] = IMR_PSTIMEOUT,
348         .maps[RTL_IMR_BCNINT] = IMR_BCNDMAINT0,
349         .maps[RTL_IMR_RXFOVW] = IMR_RXFOVW,
350         .maps[RTL_IMR_RDU] = IMR_RDU,
351         .maps[RTL_IMR_ATIMEND] = IMR_ATIMEND,
352         .maps[RTL_IMR_BDOK] = IMR_BCNDOK0,
353         .maps[RTL_IMR_MGNTDOK] = IMR_MGNTDOK,
354         .maps[RTL_IMR_TBDER] = IMR_TBDER,
355         .maps[RTL_IMR_HIGHDOK] = IMR_HIGHDOK,
356         .maps[RTL_IMR_TBDOK] = IMR_TBDOK,
357         .maps[RTL_IMR_BKDOK] = IMR_BKDOK,
358         .maps[RTL_IMR_BEDOK] = IMR_BEDOK,
359         .maps[RTL_IMR_VIDOK] = IMR_VIDOK,
360         .maps[RTL_IMR_VODOK] = IMR_VODOK,
361         .maps[RTL_IMR_ROK] = IMR_ROK,
362         .maps[RTL_IMR_HSISR_IND] = IMR_HSISR_IND_ON_INT,
363         .maps[RTL_IBSS_INT_MASKS] = (IMR_BCNDMAINT0 | IMR_TBDOK | IMR_TBDER),
364
365         .maps[RTL_RC_CCK_RATE1M] = DESC92C_RATE1M,
366         .maps[RTL_RC_CCK_RATE2M] = DESC92C_RATE2M,
367         .maps[RTL_RC_CCK_RATE5_5M] = DESC92C_RATE5_5M,
368         .maps[RTL_RC_CCK_RATE11M] = DESC92C_RATE11M,
369         .maps[RTL_RC_OFDM_RATE6M] = DESC92C_RATE6M,
370         .maps[RTL_RC_OFDM_RATE9M] = DESC92C_RATE9M,
371         .maps[RTL_RC_OFDM_RATE12M] = DESC92C_RATE12M,
372         .maps[RTL_RC_OFDM_RATE18M] = DESC92C_RATE18M,
373         .maps[RTL_RC_OFDM_RATE24M] = DESC92C_RATE24M,
374         .maps[RTL_RC_OFDM_RATE36M] = DESC92C_RATE36M,
375         .maps[RTL_RC_OFDM_RATE48M] = DESC92C_RATE48M,
376         .maps[RTL_RC_OFDM_RATE54M] = DESC92C_RATE54M,
377
378         .maps[RTL_RC_HT_RATEMCS7] = DESC92C_RATEMCS7,
379         .maps[RTL_RC_HT_RATEMCS15] = DESC92C_RATEMCS15,
380 };
381
382 static struct pci_device_id rtl88ee_pci_ids[] = {
383         {RTL_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8179, rtl88ee_hal_cfg)},
384         {},
385 };
386
387 MODULE_DEVICE_TABLE(pci, rtl88ee_pci_ids);
388
389 MODULE_AUTHOR("zhiyuan_yang     <zhiyuan_yang@realsil.com.cn>");
390 MODULE_AUTHOR("Realtek WlanFAE  <wlanfae@realtek.com>");
391 MODULE_AUTHOR("Larry Finger     <Larry.Finger@lwfinger.net>");
392 MODULE_LICENSE("GPL");
393 MODULE_DESCRIPTION("Realtek 8188E 802.11n PCI wireless");
394 MODULE_FIRMWARE("rtlwifi/rtl8188efw.bin");
395
396 module_param_named(swenc, rtl88ee_mod_params.sw_crypto, bool, 0444);
397 module_param_named(debug, rtl88ee_mod_params.debug, int, 0444);
398 module_param_named(ips, rtl88ee_mod_params.inactiveps, bool, 0444);
399 module_param_named(swlps, rtl88ee_mod_params.swctrl_lps, bool, 0444);
400 module_param_named(fwlps, rtl88ee_mod_params.fwctrl_lps, bool, 0444);
401 module_param_named(msi, rtl88ee_mod_params.msi_support, bool, 0444);
402 module_param_named(disable_watchdog, rtl88ee_mod_params.disable_watchdog,
403                    bool, 0444);
404 MODULE_PARM_DESC(swenc, "Set to 1 for software crypto (default 0)\n");
405 MODULE_PARM_DESC(ips, "Set to 0 to not use link power save (default 1)\n");
406 MODULE_PARM_DESC(swlps, "Set to 1 to use SW control power save (default 0)\n");
407 MODULE_PARM_DESC(fwlps, "Set to 1 to use FW control power save (default 1)\n");
408 MODULE_PARM_DESC(msi, "Set to 1 to use MSI interrupts mode (default 1)\n");
409 MODULE_PARM_DESC(debug, "Set debug level (0-5) (default 0)");
410 MODULE_PARM_DESC(disable_watchdog, "Set to 1 to disable the watchdog (default 0)\n");
411
412 static SIMPLE_DEV_PM_OPS(rtlwifi_pm_ops, rtl_pci_suspend, rtl_pci_resume);
413
414 static struct pci_driver rtl88ee_driver = {
415         .name = KBUILD_MODNAME,
416         .id_table = rtl88ee_pci_ids,
417         .probe = rtl_pci_probe,
418         .remove = rtl_pci_disconnect,
419         .driver.pm = &rtlwifi_pm_ops,
420 };
421
422 module_pci_driver(rtl88ee_driver);