1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
24 * The full GNU General Public License is included in this distribution
25 * in the file called COPYING.
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
34 * All rights reserved.
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * * Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in
44 * the documentation and/or other materials provided with the
46 * * Neither the name Intel Corporation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62 *****************************************************************************/
63 #include <linux/completion.h>
64 #include <linux/dma-mapping.h>
65 #include <linux/firmware.h>
66 #include <linux/module.h>
67 #include <linux/vmalloc.h>
70 #include "iwl-debug.h"
71 #include "iwl-trans.h"
72 #include "iwl-op-mode.h"
73 #include "iwl-agn-hw.h"
75 #include "iwl-config.h"
76 #include "iwl-modparams.h"
78 /* private includes */
79 #include "iwl-fw-file.h"
81 /******************************************************************************
85 ******************************************************************************/
88 * module name, copyright, version, etc.
90 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux"
92 #ifdef CONFIG_IWLWIFI_DEBUG
98 #define DRV_VERSION IWLWIFI_VERSION VD
100 MODULE_DESCRIPTION(DRV_DESCRIPTION);
101 MODULE_VERSION(DRV_VERSION);
102 MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
103 MODULE_LICENSE("GPL");
105 #ifdef CONFIG_IWLWIFI_DEBUGFS
106 static struct dentry *iwl_dbgfs_root;
110 * struct iwl_drv - drv common data
111 * @list: list of drv structures using this opmode
112 * @fw: the iwl_fw structure
113 * @op_mode: the running op_mode
114 * @trans: transport layer
115 * @dev: for debug prints only
116 * @cfg: configuration struct
117 * @fw_index: firmware revision to try loading
118 * @firmware_name: composite filename of ucode file to load
119 * @request_firmware_complete: the firmware has been obtained from user space
122 struct list_head list;
125 struct iwl_op_mode *op_mode;
126 struct iwl_trans *trans;
128 const struct iwl_cfg *cfg;
130 int fw_index; /* firmware we're trying to load */
131 char firmware_name[32]; /* name of firmware file to load */
133 struct completion request_firmware_complete;
135 #ifdef CONFIG_IWLWIFI_DEBUGFS
136 struct dentry *dbgfs_drv;
137 struct dentry *dbgfs_trans;
138 struct dentry *dbgfs_op_mode;
147 /* Protects the table contents, i.e. the ops pointer & drv list */
148 static struct mutex iwlwifi_opmode_table_mtx;
149 static struct iwlwifi_opmode_table {
150 const char *name; /* name: iwldvm, iwlmvm, etc */
151 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */
152 struct list_head drv; /* list of devices using this op_mode */
153 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */
154 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL },
155 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL },
158 #define IWL_DEFAULT_SCAN_CHANNELS 40
161 * struct fw_sec: Just for the image parsing proccess.
162 * For the fw storage we are using struct fw_desc.
165 const void *data; /* the sec data */
166 size_t size; /* section size */
167 u32 offset; /* offset of writing in the device */
170 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc)
177 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img)
180 for (i = 0; i < IWL_UCODE_SECTION_MAX; i++)
181 iwl_free_fw_desc(drv, &img->sec[i]);
184 static void iwl_dealloc_ucode(struct iwl_drv *drv)
187 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
188 iwl_free_fw_img(drv, drv->fw.img + i);
191 static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc,
198 if (!sec || !sec->size)
201 data = vmalloc(sec->size);
205 desc->len = sec->size;
206 desc->offset = sec->offset;
207 memcpy(data, sec->data, desc->len);
213 static void iwl_req_fw_callback(const struct firmware *ucode_raw,
216 #define UCODE_EXPERIMENTAL_INDEX 100
217 #define UCODE_EXPERIMENTAL_TAG "exp"
219 static int iwl_request_firmware(struct iwl_drv *drv, bool first)
221 const char *name_pre = drv->cfg->fw_name_pre;
225 #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
226 drv->fw_index = UCODE_EXPERIMENTAL_INDEX;
227 strcpy(tag, UCODE_EXPERIMENTAL_TAG);
228 } else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) {
230 drv->fw_index = drv->cfg->ucode_api_max;
231 sprintf(tag, "%d", drv->fw_index);
234 sprintf(tag, "%d", drv->fw_index);
237 if (drv->fw_index < drv->cfg->ucode_api_min) {
238 IWL_ERR(drv, "no suitable firmware found!\n");
242 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode",
245 IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n",
246 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
247 ? "EXPERIMENTAL " : "",
250 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
252 GFP_KERNEL, drv, iwl_req_fw_callback);
255 struct fw_img_parsing {
256 struct fw_sec sec[IWL_UCODE_SECTION_MAX];
261 * struct fw_sec_parsing: to extract fw section and it's offset from tlv
263 struct fw_sec_parsing {
269 * struct iwl_tlv_calib_data - parse the default calib data from TLV
271 * @ucode_type: the uCode to which the following default calib relates.
272 * @calib: default calibrations.
274 struct iwl_tlv_calib_data {
276 struct iwl_tlv_calib_ctrl calib;
279 struct iwl_firmware_pieces {
280 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];
282 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
283 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
287 * These functions are just to extract uCode section data from the pieces
290 static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces,
291 enum iwl_ucode_type type,
294 return &pieces->img[type].sec[sec];
297 static void set_sec_data(struct iwl_firmware_pieces *pieces,
298 enum iwl_ucode_type type,
302 pieces->img[type].sec[sec].data = data;
305 static void set_sec_size(struct iwl_firmware_pieces *pieces,
306 enum iwl_ucode_type type,
310 pieces->img[type].sec[sec].size = size;
313 static size_t get_sec_size(struct iwl_firmware_pieces *pieces,
314 enum iwl_ucode_type type,
317 return pieces->img[type].sec[sec].size;
320 static void set_sec_offset(struct iwl_firmware_pieces *pieces,
321 enum iwl_ucode_type type,
325 pieces->img[type].sec[sec].offset = offset;
328 static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len)
331 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data;
332 struct iwl_fw_cipher_scheme *fwcs;
333 struct ieee80211_cipher_scheme *cs;
336 if (len < sizeof(*l) ||
337 len < sizeof(l->size) + l->size * sizeof(l->cs[0]))
340 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) {
342 cipher = le32_to_cpu(fwcs->cipher);
344 /* we skip schemes with zero cipher suite selector */
350 cs->iftype = BIT(NL80211_IFTYPE_STATION);
351 cs->hdr_len = fwcs->hdr_len;
352 cs->pn_len = fwcs->pn_len;
353 cs->pn_off = fwcs->pn_off;
354 cs->key_idx_off = fwcs->key_idx_off;
355 cs->key_idx_mask = fwcs->key_idx_mask;
356 cs->key_idx_shift = fwcs->key_idx_shift;
357 cs->mic_len = fwcs->mic_len;
364 * Gets uCode section from tlv.
366 static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces,
367 const void *data, enum iwl_ucode_type type,
370 struct fw_img_parsing *img;
372 struct fw_sec_parsing *sec_parse;
374 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX))
377 sec_parse = (struct fw_sec_parsing *)data;
379 img = &pieces->img[type];
380 sec = &img->sec[img->sec_counter];
382 sec->offset = le32_to_cpu(sec_parse->offset);
383 sec->data = sec_parse->data;
384 sec->size = size - sizeof(sec_parse->offset);
391 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)
393 struct iwl_tlv_calib_data *def_calib =
394 (struct iwl_tlv_calib_data *)data;
395 u32 ucode_type = le32_to_cpu(def_calib->ucode_type);
396 if (ucode_type >= IWL_UCODE_TYPE_MAX) {
397 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",
401 drv->fw.default_calib[ucode_type].flow_trigger =
402 def_calib->calib.flow_trigger;
403 drv->fw.default_calib[ucode_type].event_trigger =
404 def_calib->calib.event_trigger;
409 static int iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data,
410 struct iwl_ucode_capabilities *capa)
412 const struct iwl_ucode_api *ucode_api = (void *)data;
413 u32 api_index = le32_to_cpu(ucode_api->api_index);
415 if (api_index >= IWL_API_ARRAY_SIZE) {
416 IWL_ERR(drv, "api_index larger than supported by driver\n");
420 capa->api[api_index] = le32_to_cpu(ucode_api->api_flags);
425 static int iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data,
426 struct iwl_ucode_capabilities *capa)
428 const struct iwl_ucode_capa *ucode_capa = (void *)data;
429 u32 api_index = le32_to_cpu(ucode_capa->api_index);
431 if (api_index >= IWL_CAPABILITIES_ARRAY_SIZE) {
432 IWL_ERR(drv, "api_index larger than supported by driver\n");
436 capa->capa[api_index] = le32_to_cpu(ucode_capa->api_capa);
441 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
442 const struct firmware *ucode_raw,
443 struct iwl_firmware_pieces *pieces)
445 struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
446 u32 api_ver, hdr_size, build;
450 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
451 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
456 if (ucode_raw->size < hdr_size) {
457 IWL_ERR(drv, "File size too small!\n");
460 build = le32_to_cpu(ucode->u.v2.build);
461 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
462 le32_to_cpu(ucode->u.v2.inst_size));
463 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
464 le32_to_cpu(ucode->u.v2.data_size));
465 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
466 le32_to_cpu(ucode->u.v2.init_size));
467 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
468 le32_to_cpu(ucode->u.v2.init_data_size));
469 src = ucode->u.v2.data;
475 if (ucode_raw->size < hdr_size) {
476 IWL_ERR(drv, "File size too small!\n");
480 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
481 le32_to_cpu(ucode->u.v1.inst_size));
482 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
483 le32_to_cpu(ucode->u.v1.data_size));
484 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
485 le32_to_cpu(ucode->u.v1.init_size));
486 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
487 le32_to_cpu(ucode->u.v1.init_data_size));
488 src = ucode->u.v1.data;
493 sprintf(buildstr, " build %u%s", build,
494 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
499 snprintf(drv->fw.fw_version,
500 sizeof(drv->fw.fw_version),
502 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
503 IWL_UCODE_MINOR(drv->fw.ucode_ver),
504 IWL_UCODE_API(drv->fw.ucode_ver),
505 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
508 /* Verify size of file vs. image size info in file's header */
510 if (ucode_raw->size != hdr_size +
511 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
512 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
513 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
514 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
517 "uCode file size %d does not match expected size\n",
518 (int)ucode_raw->size);
523 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
524 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
525 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
526 IWLAGN_RTC_INST_LOWER_BOUND);
527 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
528 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
529 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
530 IWLAGN_RTC_DATA_LOWER_BOUND);
531 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
532 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
533 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
534 IWLAGN_RTC_INST_LOWER_BOUND);
535 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
536 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
537 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
538 IWLAGN_RTC_DATA_LOWER_BOUND);
542 static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
543 const struct firmware *ucode_raw,
544 struct iwl_firmware_pieces *pieces,
545 struct iwl_ucode_capabilities *capa)
547 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
548 struct iwl_ucode_tlv *tlv;
549 size_t len = ucode_raw->size;
552 enum iwl_ucode_tlv_type tlv_type;
558 if (len < sizeof(*ucode)) {
559 IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
563 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
564 IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
565 le32_to_cpu(ucode->magic));
569 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
570 memcpy(drv->fw.human_readable, ucode->human_readable,
571 sizeof(drv->fw.human_readable));
572 build = le32_to_cpu(ucode->build);
575 sprintf(buildstr, " build %u%s", build,
576 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
581 snprintf(drv->fw.fw_version,
582 sizeof(drv->fw.fw_version),
584 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
585 IWL_UCODE_MINOR(drv->fw.ucode_ver),
586 IWL_UCODE_API(drv->fw.ucode_ver),
587 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
592 len -= sizeof(*ucode);
594 while (len >= sizeof(*tlv)) {
598 tlv_len = le32_to_cpu(tlv->length);
599 tlv_type = le32_to_cpu(tlv->type);
600 tlv_data = tlv->data;
603 IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
607 len -= ALIGN(tlv_len, 4);
608 data += sizeof(*tlv) + ALIGN(tlv_len, 4);
611 case IWL_UCODE_TLV_INST:
612 set_sec_data(pieces, IWL_UCODE_REGULAR,
613 IWL_UCODE_SECTION_INST, tlv_data);
614 set_sec_size(pieces, IWL_UCODE_REGULAR,
615 IWL_UCODE_SECTION_INST, tlv_len);
616 set_sec_offset(pieces, IWL_UCODE_REGULAR,
617 IWL_UCODE_SECTION_INST,
618 IWLAGN_RTC_INST_LOWER_BOUND);
620 case IWL_UCODE_TLV_DATA:
621 set_sec_data(pieces, IWL_UCODE_REGULAR,
622 IWL_UCODE_SECTION_DATA, tlv_data);
623 set_sec_size(pieces, IWL_UCODE_REGULAR,
624 IWL_UCODE_SECTION_DATA, tlv_len);
625 set_sec_offset(pieces, IWL_UCODE_REGULAR,
626 IWL_UCODE_SECTION_DATA,
627 IWLAGN_RTC_DATA_LOWER_BOUND);
629 case IWL_UCODE_TLV_INIT:
630 set_sec_data(pieces, IWL_UCODE_INIT,
631 IWL_UCODE_SECTION_INST, tlv_data);
632 set_sec_size(pieces, IWL_UCODE_INIT,
633 IWL_UCODE_SECTION_INST, tlv_len);
634 set_sec_offset(pieces, IWL_UCODE_INIT,
635 IWL_UCODE_SECTION_INST,
636 IWLAGN_RTC_INST_LOWER_BOUND);
638 case IWL_UCODE_TLV_INIT_DATA:
639 set_sec_data(pieces, IWL_UCODE_INIT,
640 IWL_UCODE_SECTION_DATA, tlv_data);
641 set_sec_size(pieces, IWL_UCODE_INIT,
642 IWL_UCODE_SECTION_DATA, tlv_len);
643 set_sec_offset(pieces, IWL_UCODE_INIT,
644 IWL_UCODE_SECTION_DATA,
645 IWLAGN_RTC_DATA_LOWER_BOUND);
647 case IWL_UCODE_TLV_BOOT:
648 IWL_ERR(drv, "Found unexpected BOOT ucode\n");
650 case IWL_UCODE_TLV_PROBE_MAX_LEN:
651 if (tlv_len != sizeof(u32))
652 goto invalid_tlv_len;
653 capa->max_probe_length =
654 le32_to_cpup((__le32 *)tlv_data);
656 case IWL_UCODE_TLV_PAN:
658 goto invalid_tlv_len;
659 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
661 case IWL_UCODE_TLV_FLAGS:
662 /* must be at least one u32 */
663 if (tlv_len < sizeof(u32))
664 goto invalid_tlv_len;
665 /* and a proper number of u32s */
666 if (tlv_len % sizeof(u32))
667 goto invalid_tlv_len;
669 * This driver only reads the first u32 as
670 * right now no more features are defined,
671 * if that changes then either the driver
672 * will not work with the new firmware, or
673 * it'll not take advantage of new features.
675 capa->flags = le32_to_cpup((__le32 *)tlv_data);
677 case IWL_UCODE_TLV_API_CHANGES_SET:
678 if (tlv_len != sizeof(struct iwl_ucode_api))
679 goto invalid_tlv_len;
680 if (iwl_set_ucode_api_flags(drv, tlv_data, capa))
683 case IWL_UCODE_TLV_ENABLED_CAPABILITIES:
684 if (tlv_len != sizeof(struct iwl_ucode_capa))
685 goto invalid_tlv_len;
686 if (iwl_set_ucode_capabilities(drv, tlv_data, capa))
689 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
690 if (tlv_len != sizeof(u32))
691 goto invalid_tlv_len;
692 pieces->init_evtlog_ptr =
693 le32_to_cpup((__le32 *)tlv_data);
695 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
696 if (tlv_len != sizeof(u32))
697 goto invalid_tlv_len;
698 pieces->init_evtlog_size =
699 le32_to_cpup((__le32 *)tlv_data);
701 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
702 if (tlv_len != sizeof(u32))
703 goto invalid_tlv_len;
704 pieces->init_errlog_ptr =
705 le32_to_cpup((__le32 *)tlv_data);
707 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
708 if (tlv_len != sizeof(u32))
709 goto invalid_tlv_len;
710 pieces->inst_evtlog_ptr =
711 le32_to_cpup((__le32 *)tlv_data);
713 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
714 if (tlv_len != sizeof(u32))
715 goto invalid_tlv_len;
716 pieces->inst_evtlog_size =
717 le32_to_cpup((__le32 *)tlv_data);
719 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
720 if (tlv_len != sizeof(u32))
721 goto invalid_tlv_len;
722 pieces->inst_errlog_ptr =
723 le32_to_cpup((__le32 *)tlv_data);
725 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
727 goto invalid_tlv_len;
728 drv->fw.enhance_sensitivity_table = true;
730 case IWL_UCODE_TLV_WOWLAN_INST:
731 set_sec_data(pieces, IWL_UCODE_WOWLAN,
732 IWL_UCODE_SECTION_INST, tlv_data);
733 set_sec_size(pieces, IWL_UCODE_WOWLAN,
734 IWL_UCODE_SECTION_INST, tlv_len);
735 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
736 IWL_UCODE_SECTION_INST,
737 IWLAGN_RTC_INST_LOWER_BOUND);
739 case IWL_UCODE_TLV_WOWLAN_DATA:
740 set_sec_data(pieces, IWL_UCODE_WOWLAN,
741 IWL_UCODE_SECTION_DATA, tlv_data);
742 set_sec_size(pieces, IWL_UCODE_WOWLAN,
743 IWL_UCODE_SECTION_DATA, tlv_len);
744 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
745 IWL_UCODE_SECTION_DATA,
746 IWLAGN_RTC_DATA_LOWER_BOUND);
748 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
749 if (tlv_len != sizeof(u32))
750 goto invalid_tlv_len;
751 capa->standard_phy_calibration_size =
752 le32_to_cpup((__le32 *)tlv_data);
754 case IWL_UCODE_TLV_SEC_RT:
755 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
757 drv->fw.mvm_fw = true;
759 case IWL_UCODE_TLV_SEC_INIT:
760 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
762 drv->fw.mvm_fw = true;
764 case IWL_UCODE_TLV_SEC_WOWLAN:
765 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
767 drv->fw.mvm_fw = true;
769 case IWL_UCODE_TLV_DEF_CALIB:
770 if (tlv_len != sizeof(struct iwl_tlv_calib_data))
771 goto invalid_tlv_len;
772 if (iwl_set_default_calib(drv, tlv_data))
775 case IWL_UCODE_TLV_PHY_SKU:
776 if (tlv_len != sizeof(u32))
777 goto invalid_tlv_len;
778 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data);
779 drv->fw.valid_tx_ant = (drv->fw.phy_config &
780 FW_PHY_CFG_TX_CHAIN) >>
781 FW_PHY_CFG_TX_CHAIN_POS;
782 drv->fw.valid_rx_ant = (drv->fw.phy_config &
783 FW_PHY_CFG_RX_CHAIN) >>
784 FW_PHY_CFG_RX_CHAIN_POS;
786 case IWL_UCODE_TLV_SECURE_SEC_RT:
787 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
789 drv->fw.mvm_fw = true;
790 drv->fw.img[IWL_UCODE_REGULAR].is_secure = true;
792 case IWL_UCODE_TLV_SECURE_SEC_INIT:
793 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
795 drv->fw.mvm_fw = true;
796 drv->fw.img[IWL_UCODE_INIT].is_secure = true;
798 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:
799 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
801 drv->fw.mvm_fw = true;
802 drv->fw.img[IWL_UCODE_WOWLAN].is_secure = true;
804 case IWL_UCODE_TLV_NUM_OF_CPU:
805 if (tlv_len != sizeof(u32))
806 goto invalid_tlv_len;
808 le32_to_cpup((__le32 *)tlv_data);
810 if (num_of_cpus == 2) {
811 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus =
813 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus =
815 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus =
817 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) {
818 IWL_ERR(drv, "Driver support upto 2 CPUs\n");
822 case IWL_UCODE_TLV_CSCHEME:
823 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len))
824 goto invalid_tlv_len;
826 case IWL_UCODE_TLV_N_SCAN_CHANNELS:
827 if (tlv_len != sizeof(u32))
828 goto invalid_tlv_len;
829 capa->n_scan_channels =
830 le32_to_cpup((__le32 *)tlv_data);
833 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
839 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
840 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len);
847 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
849 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
854 static int iwl_alloc_ucode(struct iwl_drv *drv,
855 struct iwl_firmware_pieces *pieces,
856 enum iwl_ucode_type type)
860 i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i);
862 if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]),
863 get_sec(pieces, type, i)))
868 static int validate_sec_sizes(struct iwl_drv *drv,
869 struct iwl_firmware_pieces *pieces,
870 const struct iwl_cfg *cfg)
872 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n",
873 get_sec_size(pieces, IWL_UCODE_REGULAR,
874 IWL_UCODE_SECTION_INST));
875 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n",
876 get_sec_size(pieces, IWL_UCODE_REGULAR,
877 IWL_UCODE_SECTION_DATA));
878 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n",
879 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
880 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n",
881 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
883 /* Verify that uCode images will fit in card's SRAM. */
884 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
885 cfg->max_inst_size) {
886 IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n",
887 get_sec_size(pieces, IWL_UCODE_REGULAR,
888 IWL_UCODE_SECTION_INST));
892 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
893 cfg->max_data_size) {
894 IWL_ERR(drv, "uCode data len %Zd too large to fit in\n",
895 get_sec_size(pieces, IWL_UCODE_REGULAR,
896 IWL_UCODE_SECTION_DATA));
900 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
901 cfg->max_inst_size) {
902 IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n",
903 get_sec_size(pieces, IWL_UCODE_INIT,
904 IWL_UCODE_SECTION_INST));
908 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
909 cfg->max_data_size) {
910 IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n",
911 get_sec_size(pieces, IWL_UCODE_REGULAR,
912 IWL_UCODE_SECTION_DATA));
918 static struct iwl_op_mode *
919 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
921 const struct iwl_op_mode_ops *ops = op->ops;
922 struct dentry *dbgfs_dir = NULL;
923 struct iwl_op_mode *op_mode = NULL;
925 #ifdef CONFIG_IWLWIFI_DEBUGFS
926 drv->dbgfs_op_mode = debugfs_create_dir(op->name,
928 if (!drv->dbgfs_op_mode) {
930 "failed to create opmode debugfs directory\n");
933 dbgfs_dir = drv->dbgfs_op_mode;
936 op_mode = ops->start(drv->trans, drv->cfg, &drv->fw, dbgfs_dir);
938 #ifdef CONFIG_IWLWIFI_DEBUGFS
940 debugfs_remove_recursive(drv->dbgfs_op_mode);
941 drv->dbgfs_op_mode = NULL;
948 static void _iwl_op_mode_stop(struct iwl_drv *drv)
950 /* op_mode can be NULL if its start failed */
952 iwl_op_mode_stop(drv->op_mode);
955 #ifdef CONFIG_IWLWIFI_DEBUGFS
956 debugfs_remove_recursive(drv->dbgfs_op_mode);
957 drv->dbgfs_op_mode = NULL;
963 * iwl_req_fw_callback - callback when firmware was loaded
965 * If loaded successfully, copies the firmware into buffers
966 * for the card to fetch (via DMA).
968 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
970 struct iwl_drv *drv = context;
971 struct iwl_fw *fw = &drv->fw;
972 struct iwl_ucode_header *ucode;
973 struct iwlwifi_opmode_table *op;
975 struct iwl_firmware_pieces pieces;
976 const unsigned int api_max = drv->cfg->ucode_api_max;
977 unsigned int api_ok = drv->cfg->ucode_api_ok;
978 const unsigned int api_min = drv->cfg->ucode_api_min;
981 bool load_module = false;
983 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;
984 fw->ucode_capa.standard_phy_calibration_size =
985 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
986 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS;
991 memset(&pieces, 0, sizeof(pieces));
994 if (drv->fw_index <= api_ok)
996 "request for firmware file '%s' failed.\n",
1001 IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
1002 drv->firmware_name, ucode_raw->size);
1004 /* Make sure that we got at least the API version number */
1005 if (ucode_raw->size < 4) {
1006 IWL_ERR(drv, "File size way too small!\n");
1010 /* Data from ucode file: header followed by uCode images */
1011 ucode = (struct iwl_ucode_header *)ucode_raw->data;
1014 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, &pieces);
1016 err = iwl_parse_tlv_firmware(drv, ucode_raw, &pieces,
1022 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
1025 * api_ver should match the api version forming part of the
1026 * firmware filename ... but we don't check for that and only rely
1027 * on the API version read from firmware header from here on forward
1029 /* no api version check required for experimental uCode */
1030 if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) {
1031 if (api_ver < api_min || api_ver > api_max) {
1033 "Driver unable to support your firmware API. "
1034 "Driver supports v%u, firmware is v%u.\n",
1039 if (api_ver < api_ok) {
1040 if (api_ok != api_max)
1041 IWL_ERR(drv, "Firmware has old API version, "
1042 "expected v%u through v%u, got v%u.\n",
1043 api_ok, api_max, api_ver);
1045 IWL_ERR(drv, "Firmware has old API version, "
1046 "expected v%u, got v%u.\n",
1048 IWL_ERR(drv, "New firmware can be obtained from "
1049 "http://www.intellinuxwireless.org/.\n");
1054 * In mvm uCode there is no difference between data and instructions
1057 if (!fw->mvm_fw && validate_sec_sizes(drv, &pieces, drv->cfg))
1060 /* Allocate ucode buffers for card's bus-master loading ... */
1062 /* Runtime instructions and 2 copies of data:
1063 * 1) unmodified from disk
1064 * 2) backup cache for save/restore during power-downs */
1065 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
1066 if (iwl_alloc_ucode(drv, &pieces, i))
1069 /* Now that we can no longer fail, copy information */
1072 * The (size - 16) / 12 formula is based on the information recorded
1073 * for each event, which is of mode 1 (including timestamp) for all
1074 * new microcodes that include this information.
1076 fw->init_evtlog_ptr = pieces.init_evtlog_ptr;
1077 if (pieces.init_evtlog_size)
1078 fw->init_evtlog_size = (pieces.init_evtlog_size - 16)/12;
1080 fw->init_evtlog_size =
1081 drv->cfg->base_params->max_event_log_size;
1082 fw->init_errlog_ptr = pieces.init_errlog_ptr;
1083 fw->inst_evtlog_ptr = pieces.inst_evtlog_ptr;
1084 if (pieces.inst_evtlog_size)
1085 fw->inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12;
1087 fw->inst_evtlog_size =
1088 drv->cfg->base_params->max_event_log_size;
1089 fw->inst_errlog_ptr = pieces.inst_errlog_ptr;
1092 * figure out the offset of chain noise reset and gain commands
1093 * base on the size of standard phy calibration commands table size
1095 if (fw->ucode_capa.standard_phy_calibration_size >
1096 IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
1097 fw->ucode_capa.standard_phy_calibration_size =
1098 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1100 /* We have our copies now, allow OS release its copies */
1101 release_firmware(ucode_raw);
1103 mutex_lock(&iwlwifi_opmode_table_mtx);
1105 op = &iwlwifi_opmode_table[MVM_OP_MODE];
1107 op = &iwlwifi_opmode_table[DVM_OP_MODE];
1109 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",
1110 drv->fw.fw_version, op->name);
1112 /* add this device to the list of devices using this op_mode */
1113 list_add_tail(&drv->list, &op->drv);
1116 drv->op_mode = _iwl_op_mode_start(drv, op);
1118 if (!drv->op_mode) {
1119 mutex_unlock(&iwlwifi_opmode_table_mtx);
1125 mutex_unlock(&iwlwifi_opmode_table_mtx);
1128 * Complete the firmware request last so that
1129 * a driver unbind (stop) doesn't run while we
1130 * are doing the start() above.
1132 complete(&drv->request_firmware_complete);
1135 * Load the module last so we don't block anything
1136 * else from proceeding if the module fails to load
1140 err = request_module("%s", op->name);
1141 #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
1144 "failed to load module %s (error %d), is dynamic loading enabled?\n",
1151 /* try next, if any */
1152 release_firmware(ucode_raw);
1153 if (iwl_request_firmware(drv, false))
1158 IWL_ERR(drv, "failed to allocate pci memory\n");
1159 iwl_dealloc_ucode(drv);
1160 release_firmware(ucode_raw);
1162 complete(&drv->request_firmware_complete);
1163 device_release_driver(drv->trans->dev);
1166 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans,
1167 const struct iwl_cfg *cfg)
1169 struct iwl_drv *drv;
1172 drv = kzalloc(sizeof(*drv), GFP_KERNEL);
1179 drv->dev = trans->dev;
1182 init_completion(&drv->request_firmware_complete);
1183 INIT_LIST_HEAD(&drv->list);
1185 #ifdef CONFIG_IWLWIFI_DEBUGFS
1186 /* Create the device debugfs entries. */
1187 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
1190 if (!drv->dbgfs_drv) {
1191 IWL_ERR(drv, "failed to create debugfs directory\n");
1196 /* Create transport layer debugfs dir */
1197 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
1199 if (!drv->trans->dbgfs_dir) {
1200 IWL_ERR(drv, "failed to create transport debugfs directory\n");
1202 goto err_free_dbgfs;
1206 ret = iwl_request_firmware(drv, true);
1208 IWL_ERR(trans, "Couldn't request the fw\n");
1215 #ifdef CONFIG_IWLWIFI_DEBUGFS
1217 debugfs_remove_recursive(drv->dbgfs_drv);
1222 return ERR_PTR(ret);
1225 void iwl_drv_stop(struct iwl_drv *drv)
1227 wait_for_completion(&drv->request_firmware_complete);
1229 _iwl_op_mode_stop(drv);
1231 iwl_dealloc_ucode(drv);
1233 mutex_lock(&iwlwifi_opmode_table_mtx);
1235 * List is empty (this item wasn't added)
1236 * when firmware loading failed -- in that
1237 * case we can't remove it from any list.
1239 if (!list_empty(&drv->list))
1240 list_del(&drv->list);
1241 mutex_unlock(&iwlwifi_opmode_table_mtx);
1243 #ifdef CONFIG_IWLWIFI_DEBUGFS
1244 debugfs_remove_recursive(drv->dbgfs_drv);
1251 /* shared module parameters */
1252 struct iwl_mod_params iwlwifi_mod_params = {
1254 .bt_coex_active = true,
1255 .power_level = IWL_POWER_INDEX_1,
1257 .uapsd_disable = false,
1258 /* the rest are 0 by default */
1260 IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
1262 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
1265 struct iwl_drv *drv;
1266 struct iwlwifi_opmode_table *op;
1268 mutex_lock(&iwlwifi_opmode_table_mtx);
1269 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1270 op = &iwlwifi_opmode_table[i];
1271 if (strcmp(op->name, name))
1274 /* TODO: need to handle exceptional case */
1275 list_for_each_entry(drv, &op->drv, list)
1276 drv->op_mode = _iwl_op_mode_start(drv, op);
1278 mutex_unlock(&iwlwifi_opmode_table_mtx);
1281 mutex_unlock(&iwlwifi_opmode_table_mtx);
1284 IWL_EXPORT_SYMBOL(iwl_opmode_register);
1286 void iwl_opmode_deregister(const char *name)
1289 struct iwl_drv *drv;
1291 mutex_lock(&iwlwifi_opmode_table_mtx);
1292 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1293 if (strcmp(iwlwifi_opmode_table[i].name, name))
1295 iwlwifi_opmode_table[i].ops = NULL;
1297 /* call the stop routine for all devices */
1298 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
1299 _iwl_op_mode_stop(drv);
1301 mutex_unlock(&iwlwifi_opmode_table_mtx);
1304 mutex_unlock(&iwlwifi_opmode_table_mtx);
1306 IWL_EXPORT_SYMBOL(iwl_opmode_deregister);
1308 static int __init iwl_drv_init(void)
1312 mutex_init(&iwlwifi_opmode_table_mtx);
1314 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
1315 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
1317 pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n");
1318 pr_info(DRV_COPYRIGHT "\n");
1320 #ifdef CONFIG_IWLWIFI_DEBUGFS
1321 /* Create the root of iwlwifi debugfs subsystem. */
1322 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
1324 if (!iwl_dbgfs_root)
1328 return iwl_pci_register_driver();
1330 module_init(iwl_drv_init);
1332 static void __exit iwl_drv_exit(void)
1334 iwl_pci_unregister_driver();
1336 #ifdef CONFIG_IWLWIFI_DEBUGFS
1337 debugfs_remove_recursive(iwl_dbgfs_root);
1340 module_exit(iwl_drv_exit);
1342 #ifdef CONFIG_IWLWIFI_DEBUG
1343 module_param_named(debug, iwlwifi_mod_params.debug_level, uint,
1345 MODULE_PARM_DESC(debug, "debug output mask");
1348 module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO);
1349 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
1350 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO);
1351 MODULE_PARM_DESC(11n_disable,
1352 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
1353 module_param_named(amsdu_size_8K, iwlwifi_mod_params.amsdu_size_8K,
1355 MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size (default 0)");
1356 module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO);
1357 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
1359 module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling,
1361 MODULE_PARM_DESC(antenna_coupling,
1362 "specify antenna coupling in dB (defualt: 0 dB)");
1364 module_param_named(wd_disable, iwlwifi_mod_params.wd_disable, int, S_IRUGO);
1365 MODULE_PARM_DESC(wd_disable,
1366 "Disable stuck queue watchdog timer 0=system default, 1=disable (default: 1)");
1368 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO);
1369 MODULE_PARM_DESC(nvm_file, "NVM file name");
1371 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable,
1373 MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: N)");
1376 * set bt_coex_active to true, uCode will do kill/defer
1377 * every time the priority line is asserted (BT is sending signals on the
1378 * priority line in the PCIx).
1379 * set bt_coex_active to false, uCode will ignore the BT activity and
1380 * perform the normal operation
1382 * User might experience transmit issue on some platform due to WiFi/BT
1383 * co-exist problem. The possible behaviors are:
1384 * Able to scan and finding all the available AP
1385 * Not able to associate with any AP
1386 * On those platforms, WiFi communication can be restored by set
1387 * "bt_coex_active" module parameter to "false"
1389 * default: bt_coex_active = true (BT_COEX_ENABLE)
1391 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,
1393 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
1395 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO);
1396 MODULE_PARM_DESC(led_mode, "0=system default, "
1397 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1399 module_param_named(power_save, iwlwifi_mod_params.power_save,
1401 MODULE_PARM_DESC(power_save,
1402 "enable WiFi power management (default: disable)");
1404 module_param_named(power_level, iwlwifi_mod_params.power_level,
1406 MODULE_PARM_DESC(power_level,
1407 "default power save level (range from 1 - 5, default: 1)");
1409 module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, S_IRUGO);
1410 MODULE_PARM_DESC(fw_monitor,
1411 "firmware monitor - to debug FW (default: false - needs lots of memory)");