blob: 847a0eded40ab351110863eaec249fe6fff5d138 [file] [log] [blame]
Emmanuel Grumbach5c58edc2012-02-07 14:18:40 +02001/******************************************************************************
2 *
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.
5 *
6 * GPL LICENSE SUMMARY
7 *
Emmanuel Grumbach51368bf2013-12-30 13:15:54 +02008 * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
Emmanuel Grumbach5c58edc2012-02-07 14:18:40 +02009 *
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.
13 *
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.
18 *
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,
22 * USA
23 *
24 * The full GNU General Public License is included in this distribution
Emmanuel Grumbach410dc5a2013-02-18 09:22:28 +020025 * in the file called COPYING.
Emmanuel Grumbach5c58edc2012-02-07 14:18:40 +020026 *
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30 *
31 * BSD LICENSE
32 *
Emmanuel Grumbach51368bf2013-12-30 13:15:54 +020033 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
Emmanuel Grumbach5c58edc2012-02-07 14:18:40 +020034 * All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 *
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
45 * distribution.
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.
49 *
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.
61 *
62 *****************************************************************************/
63#include <linux/completion.h>
Johannes Berg15854ef92012-03-05 11:24:50 -080064#include <linux/dma-mapping.h>
65#include <linux/firmware.h>
66#include <linux/module.h>
Johannes Berg83f84d72012-09-10 11:50:18 +020067#include <linux/vmalloc.h>
Emmanuel Grumbach5c58edc2012-02-07 14:18:40 +020068
69#include "iwl-drv.h"
Emmanuel Grumbachc15797e2012-04-19 10:29:58 +030070#include "iwl-debug.h"
Emmanuel Grumbach5c58edc2012-02-07 14:18:40 +020071#include "iwl-trans.h"
Emmanuel Grumbachd0f76d62012-02-09 16:08:15 +020072#include "iwl-op-mode.h"
David Spinadel0cedacc2012-03-10 13:00:12 -080073#include "iwl-agn-hw.h"
Johannes Berg6238b002012-04-02 15:04:33 +020074#include "iwl-fw.h"
75#include "iwl-config.h"
Johannes Berg65de7e82012-04-17 07:36:30 -070076#include "iwl-modparams.h"
Emmanuel Grumbach5c58edc2012-02-07 14:18:40 +020077
Johannes Berg0692fe42012-03-06 13:30:37 -080078/* private includes */
Johannes Berg3995dea2012-03-06 13:30:44 -080079#include "iwl-fw-file.h"
Johannes Berg0692fe42012-03-06 13:30:37 -080080
Don Frycc5f7e32012-05-16 22:54:27 +020081/******************************************************************************
82 *
83 * module boiler plate
84 *
85 ******************************************************************************/
86
87/*
88 * module name, copyright, version, etc.
89 */
90#define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux"
91
92#ifdef CONFIG_IWLWIFI_DEBUG
93#define VD "d"
94#else
95#define VD
96#endif
97
98#define DRV_VERSION IWLWIFI_VERSION VD
99
100MODULE_DESCRIPTION(DRV_DESCRIPTION);
101MODULE_VERSION(DRV_VERSION);
102MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
103MODULE_LICENSE("GPL");
104
Meenakshi Venkataraman9da987a2012-07-16 18:43:56 -0700105#ifdef CONFIG_IWLWIFI_DEBUGFS
106static struct dentry *iwl_dbgfs_root;
107#endif
108
Johannes Berg965974a62012-03-06 13:30:38 -0800109/**
110 * struct iwl_drv - drv common data
Don Frycc5f7e32012-05-16 22:54:27 +0200111 * @list: list of drv structures using this opmode
Johannes Berg965974a62012-03-06 13:30:38 -0800112 * @fw: the iwl_fw structure
Johannes Berg965974a62012-03-06 13:30:38 -0800113 * @op_mode: the running op_mode
Emmanuel Grumbach68f360d2012-03-22 17:51:44 +0200114 * @trans: transport layer
Emmanuel Grumbach4b9844f2012-03-22 23:59:52 +0200115 * @dev: for debug prints only
Emmanuel Grumbach68f360d2012-03-22 17:51:44 +0200116 * @cfg: configuration struct
Johannes Berg965974a62012-03-06 13:30:38 -0800117 * @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
120 */
121struct iwl_drv {
Don Frycc5f7e32012-05-16 22:54:27 +0200122 struct list_head list;
Johannes Berg965974a62012-03-06 13:30:38 -0800123 struct iwl_fw fw;
124
Johannes Berg965974a62012-03-06 13:30:38 -0800125 struct iwl_op_mode *op_mode;
Emmanuel Grumbach9130bab2012-03-26 08:51:09 -0700126 struct iwl_trans *trans;
Emmanuel Grumbach4b9844f2012-03-22 23:59:52 +0200127 struct device *dev;
Emmanuel Grumbach68f360d2012-03-22 17:51:44 +0200128 const struct iwl_cfg *cfg;
Johannes Berg965974a62012-03-06 13:30:38 -0800129
130 int fw_index; /* firmware we're trying to load */
Liad Kaufman84b03122014-01-27 16:34:23 +0200131 char firmware_name[32]; /* name of firmware file to load */
Johannes Berg965974a62012-03-06 13:30:38 -0800132
133 struct completion request_firmware_complete;
Meenakshi Venkataraman9da987a2012-07-16 18:43:56 -0700134
135#ifdef CONFIG_IWLWIFI_DEBUGFS
136 struct dentry *dbgfs_drv;
137 struct dentry *dbgfs_trans;
138 struct dentry *dbgfs_op_mode;
139#endif
Johannes Berg965974a62012-03-06 13:30:38 -0800140};
141
Johannes Berg8ca151b2013-01-24 14:25:36 +0100142enum {
143 DVM_OP_MODE = 0,
144 MVM_OP_MODE = 1,
145};
Johannes Berg965974a62012-03-06 13:30:38 -0800146
Johannes Bergff1ffb82012-06-06 09:42:57 +0200147/* Protects the table contents, i.e. the ops pointer & drv list */
148static struct mutex iwlwifi_opmode_table_mtx;
Don Frycc5f7e32012-05-16 22:54:27 +0200149static 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 */
Johannes Berg8ca151b2013-01-24 14:25:36 +0100154 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL },
155 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL },
Don Frycc5f7e32012-05-16 22:54:27 +0200156};
Johannes Berg965974a62012-03-06 13:30:38 -0800157
David Spinadel0cedacc2012-03-10 13:00:12 -0800158/*
159 * struct fw_sec: Just for the image parsing proccess.
160 * For the fw storage we are using struct fw_desc.
161 */
162struct fw_sec {
163 const void *data; /* the sec data */
164 size_t size; /* section size */
165 u32 offset; /* offset of writing in the device */
166};
167
Johannes Berg965974a62012-03-06 13:30:38 -0800168static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc)
Johannes Berg15854ef92012-03-05 11:24:50 -0800169{
Johannes Berg83f84d72012-09-10 11:50:18 +0200170 vfree(desc->data);
171 desc->data = NULL;
Johannes Berg15854ef92012-03-05 11:24:50 -0800172 desc->len = 0;
173}
174
Johannes Berg965974a62012-03-06 13:30:38 -0800175static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img)
Johannes Berg15854ef92012-03-05 11:24:50 -0800176{
David Spinadel6dfa8d02012-03-10 13:00:14 -0800177 int i;
178 for (i = 0; i < IWL_UCODE_SECTION_MAX; i++)
179 iwl_free_fw_desc(drv, &img->sec[i]);
Johannes Berg15854ef92012-03-05 11:24:50 -0800180}
181
Johannes Berg965974a62012-03-06 13:30:38 -0800182static void iwl_dealloc_ucode(struct iwl_drv *drv)
Johannes Berg15854ef92012-03-05 11:24:50 -0800183{
David Spinadel6dfa8d02012-03-10 13:00:14 -0800184 int i;
185 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
186 iwl_free_fw_img(drv, drv->fw.img + i);
Johannes Berg15854ef92012-03-05 11:24:50 -0800187}
188
Johannes Berg965974a62012-03-06 13:30:38 -0800189static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc,
Johannes Berg83f84d72012-09-10 11:50:18 +0200190 struct fw_sec *sec)
Johannes Berg15854ef92012-03-05 11:24:50 -0800191{
Johannes Berg83f84d72012-09-10 11:50:18 +0200192 void *data;
Johannes Berg15854ef92012-03-05 11:24:50 -0800193
Johannes Berg83f84d72012-09-10 11:50:18 +0200194 desc->data = NULL;
195
196 if (!sec || !sec->size)
197 return -EINVAL;
198
199 data = vmalloc(sec->size);
200 if (!data)
Johannes Berg15854ef92012-03-05 11:24:50 -0800201 return -ENOMEM;
202
David Spinadel0cedacc2012-03-10 13:00:12 -0800203 desc->len = sec->size;
204 desc->offset = sec->offset;
Johannes Berg83f84d72012-09-10 11:50:18 +0200205 memcpy(data, sec->data, desc->len);
206 desc->data = data;
207
Johannes Berg15854ef92012-03-05 11:24:50 -0800208 return 0;
209}
210
Emmanuel Grumbach1c8e11e2012-07-16 12:31:28 +0300211static void iwl_req_fw_callback(const struct firmware *ucode_raw,
212 void *context);
Johannes Berg15854ef92012-03-05 11:24:50 -0800213
214#define UCODE_EXPERIMENTAL_INDEX 100
215#define UCODE_EXPERIMENTAL_TAG "exp"
216
Johannes Berg965974a62012-03-06 13:30:38 -0800217static int iwl_request_firmware(struct iwl_drv *drv, bool first)
Johannes Berg15854ef92012-03-05 11:24:50 -0800218{
Emmanuel Grumbach68f360d2012-03-22 17:51:44 +0200219 const char *name_pre = drv->cfg->fw_name_pre;
Johannes Berg15854ef92012-03-05 11:24:50 -0800220 char tag[8];
221
222 if (first) {
223#ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
Johannes Berg965974a62012-03-06 13:30:38 -0800224 drv->fw_index = UCODE_EXPERIMENTAL_INDEX;
Johannes Berg15854ef92012-03-05 11:24:50 -0800225 strcpy(tag, UCODE_EXPERIMENTAL_TAG);
Johannes Berg965974a62012-03-06 13:30:38 -0800226 } else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) {
Johannes Berg15854ef92012-03-05 11:24:50 -0800227#endif
Emmanuel Grumbach68f360d2012-03-22 17:51:44 +0200228 drv->fw_index = drv->cfg->ucode_api_max;
Johannes Berg965974a62012-03-06 13:30:38 -0800229 sprintf(tag, "%d", drv->fw_index);
Johannes Berg15854ef92012-03-05 11:24:50 -0800230 } else {
Johannes Berg965974a62012-03-06 13:30:38 -0800231 drv->fw_index--;
232 sprintf(tag, "%d", drv->fw_index);
Johannes Berg15854ef92012-03-05 11:24:50 -0800233 }
234
Emmanuel Grumbach68f360d2012-03-22 17:51:44 +0200235 if (drv->fw_index < drv->cfg->ucode_api_min) {
Johannes Berg965974a62012-03-06 13:30:38 -0800236 IWL_ERR(drv, "no suitable firmware found!\n");
Johannes Berg15854ef92012-03-05 11:24:50 -0800237 return -ENOENT;
238 }
239
Liad Kaufman84b03122014-01-27 16:34:23 +0200240 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode",
241 name_pre, tag);
Johannes Berg15854ef92012-03-05 11:24:50 -0800242
Johannes Berg965974a62012-03-06 13:30:38 -0800243 IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n",
244 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
Johannes Berg15854ef92012-03-05 11:24:50 -0800245 ? "EXPERIMENTAL " : "",
Johannes Berg965974a62012-03-06 13:30:38 -0800246 drv->firmware_name);
Johannes Berg15854ef92012-03-05 11:24:50 -0800247
Johannes Berg965974a62012-03-06 13:30:38 -0800248 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
Emmanuel Grumbach93faaee2012-03-22 17:51:44 +0200249 drv->trans->dev,
Emmanuel Grumbach1c8e11e2012-07-16 12:31:28 +0300250 GFP_KERNEL, drv, iwl_req_fw_callback);
Johannes Berg15854ef92012-03-05 11:24:50 -0800251}
252
David Spinadel0cedacc2012-03-10 13:00:12 -0800253struct fw_img_parsing {
David Spinadel6dfa8d02012-03-10 13:00:14 -0800254 struct fw_sec sec[IWL_UCODE_SECTION_MAX];
David Spinadel0cedacc2012-03-10 13:00:12 -0800255 int sec_counter;
256};
257
David Spinadeled8c8362012-03-10 13:00:13 -0800258/*
259 * struct fw_sec_parsing: to extract fw section and it's offset from tlv
260 */
261struct fw_sec_parsing {
262 __le32 offset;
263 const u8 data[];
264} __packed;
265
266/**
267 * struct iwl_tlv_calib_data - parse the default calib data from TLV
268 *
269 * @ucode_type: the uCode to which the following default calib relates.
270 * @calib: default calibrations.
271 */
272struct iwl_tlv_calib_data {
273 __le32 ucode_type;
Johannes Bergaa2b1772013-01-24 14:12:07 +0100274 struct iwl_tlv_calib_ctrl calib;
David Spinadeled8c8362012-03-10 13:00:13 -0800275} __packed;
276
David Spinadel0cedacc2012-03-10 13:00:12 -0800277struct iwl_firmware_pieces {
278 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];
Johannes Berg15854ef92012-03-05 11:24:50 -0800279
280 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
281 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
282};
283
David Spinadel0cedacc2012-03-10 13:00:12 -0800284/*
285 * These functions are just to extract uCode section data from the pieces
286 * structure.
287 */
288static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces,
289 enum iwl_ucode_type type,
290 int sec)
291{
292 return &pieces->img[type].sec[sec];
293}
294
295static void set_sec_data(struct iwl_firmware_pieces *pieces,
296 enum iwl_ucode_type type,
297 int sec,
298 const void *data)
299{
300 pieces->img[type].sec[sec].data = data;
301}
302
303static void set_sec_size(struct iwl_firmware_pieces *pieces,
304 enum iwl_ucode_type type,
305 int sec,
306 size_t size)
307{
308 pieces->img[type].sec[sec].size = size;
309}
310
311static size_t get_sec_size(struct iwl_firmware_pieces *pieces,
312 enum iwl_ucode_type type,
313 int sec)
314{
315 return pieces->img[type].sec[sec].size;
316}
317
318static void set_sec_offset(struct iwl_firmware_pieces *pieces,
319 enum iwl_ucode_type type,
320 int sec,
321 u32 offset)
322{
323 pieces->img[type].sec[sec].offset = offset;
324}
325
Max Stepanove36e5432013-08-27 19:56:13 +0300326static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len)
327{
328 int i, j;
329 struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data;
330 struct iwl_fw_cipher_scheme *fwcs;
331 struct ieee80211_cipher_scheme *cs;
332 u32 cipher;
333
334 if (len < sizeof(*l) ||
335 len < sizeof(l->size) + l->size * sizeof(l->cs[0]))
336 return -EINVAL;
337
338 for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) {
339 fwcs = &l->cs[j];
340 cipher = le32_to_cpu(fwcs->cipher);
341
342 /* we skip schemes with zero cipher suite selector */
343 if (!cipher)
344 continue;
345
346 cs = &fw->cs[j++];
347 cs->cipher = cipher;
348 cs->iftype = BIT(NL80211_IFTYPE_STATION);
349 cs->hdr_len = fwcs->hdr_len;
350 cs->pn_len = fwcs->pn_len;
351 cs->pn_off = fwcs->pn_off;
352 cs->key_idx_off = fwcs->key_idx_off;
353 cs->key_idx_mask = fwcs->key_idx_mask;
354 cs->key_idx_shift = fwcs->key_idx_shift;
355 cs->mic_len = fwcs->mic_len;
356 }
357
358 return 0;
359}
360
David Spinadeled8c8362012-03-10 13:00:13 -0800361/*
362 * Gets uCode section from tlv.
363 */
364static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces,
365 const void *data, enum iwl_ucode_type type,
366 int size)
367{
368 struct fw_img_parsing *img;
369 struct fw_sec *sec;
370 struct fw_sec_parsing *sec_parse;
371
372 if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX))
373 return -1;
374
375 sec_parse = (struct fw_sec_parsing *)data;
376
377 img = &pieces->img[type];
378 sec = &img->sec[img->sec_counter];
379
380 sec->offset = le32_to_cpu(sec_parse->offset);
381 sec->data = sec_parse->data;
David Spinadel1176f432012-03-13 14:32:48 +0200382 sec->size = size - sizeof(sec_parse->offset);
David Spinadeled8c8362012-03-10 13:00:13 -0800383
384 ++img->sec_counter;
385
386 return 0;
387}
388
389static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)
390{
391 struct iwl_tlv_calib_data *def_calib =
392 (struct iwl_tlv_calib_data *)data;
393 u32 ucode_type = le32_to_cpu(def_calib->ucode_type);
394 if (ucode_type >= IWL_UCODE_TYPE_MAX) {
395 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",
396 ucode_type);
397 return -EINVAL;
398 }
Johannes Bergaa2b1772013-01-24 14:12:07 +0100399 drv->fw.default_calib[ucode_type].flow_trigger =
400 def_calib->calib.flow_trigger;
401 drv->fw.default_calib[ucode_type].event_trigger =
402 def_calib->calib.event_trigger;
403
David Spinadeled8c8362012-03-10 13:00:13 -0800404 return 0;
405}
406
Eran Hararya2978b12014-02-20 11:00:01 +0200407static int iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data,
408 struct iwl_ucode_capabilities *capa)
409{
410 const struct iwl_ucode_api *ucode_api = (void *)data;
411 u32 api_index = le32_to_cpu(ucode_api->api_index);
412
413 if (api_index >= IWL_API_ARRAY_SIZE) {
414 IWL_ERR(drv, "api_index larger than supported by driver\n");
415 return -EINVAL;
416 }
417
418 capa->api[api_index] = le32_to_cpu(ucode_api->api_flags);
419
420 return 0;
421}
422
423static int iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data,
424 struct iwl_ucode_capabilities *capa)
425{
426 const struct iwl_ucode_capa *ucode_capa = (void *)data;
427 u32 api_index = le32_to_cpu(ucode_capa->api_index);
428
429 if (api_index >= IWL_CAPABILITIES_ARRAY_SIZE) {
430 IWL_ERR(drv, "api_index larger than supported by driver\n");
431 return -EINVAL;
432 }
433
434 capa->capa[api_index] = le32_to_cpu(ucode_capa->api_capa);
435
436 return 0;
437}
438
Johannes Berg965974a62012-03-06 13:30:38 -0800439static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
David Spinadel0cedacc2012-03-10 13:00:12 -0800440 const struct firmware *ucode_raw,
441 struct iwl_firmware_pieces *pieces)
Johannes Berg15854ef92012-03-05 11:24:50 -0800442{
443 struct iwl_ucode_header *ucode = (void *)ucode_raw->data;
444 u32 api_ver, hdr_size, build;
445 char buildstr[25];
446 const u8 *src;
447
Johannes Berg965974a62012-03-06 13:30:38 -0800448 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
449 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
Johannes Berg15854ef92012-03-05 11:24:50 -0800450
451 switch (api_ver) {
452 default:
453 hdr_size = 28;
454 if (ucode_raw->size < hdr_size) {
Johannes Berg965974a62012-03-06 13:30:38 -0800455 IWL_ERR(drv, "File size too small!\n");
Johannes Berg15854ef92012-03-05 11:24:50 -0800456 return -EINVAL;
457 }
458 build = le32_to_cpu(ucode->u.v2.build);
David Spinadel0cedacc2012-03-10 13:00:12 -0800459 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
460 le32_to_cpu(ucode->u.v2.inst_size));
461 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
462 le32_to_cpu(ucode->u.v2.data_size));
463 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
464 le32_to_cpu(ucode->u.v2.init_size));
465 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
466 le32_to_cpu(ucode->u.v2.init_data_size));
Johannes Berg15854ef92012-03-05 11:24:50 -0800467 src = ucode->u.v2.data;
468 break;
469 case 0:
470 case 1:
471 case 2:
472 hdr_size = 24;
473 if (ucode_raw->size < hdr_size) {
Johannes Berg965974a62012-03-06 13:30:38 -0800474 IWL_ERR(drv, "File size too small!\n");
Johannes Berg15854ef92012-03-05 11:24:50 -0800475 return -EINVAL;
476 }
477 build = 0;
David Spinadel0cedacc2012-03-10 13:00:12 -0800478 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
479 le32_to_cpu(ucode->u.v1.inst_size));
480 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
481 le32_to_cpu(ucode->u.v1.data_size));
482 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
483 le32_to_cpu(ucode->u.v1.init_size));
484 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
485 le32_to_cpu(ucode->u.v1.init_data_size));
Johannes Berg15854ef92012-03-05 11:24:50 -0800486 src = ucode->u.v1.data;
487 break;
488 }
489
490 if (build)
491 sprintf(buildstr, " build %u%s", build,
Johannes Berg965974a62012-03-06 13:30:38 -0800492 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
Johannes Berg15854ef92012-03-05 11:24:50 -0800493 ? " (EXP)" : "");
494 else
495 buildstr[0] = '\0';
496
Johannes Berg965974a62012-03-06 13:30:38 -0800497 snprintf(drv->fw.fw_version,
498 sizeof(drv->fw.fw_version),
Johannes Berg15854ef92012-03-05 11:24:50 -0800499 "%u.%u.%u.%u%s",
Johannes Berg965974a62012-03-06 13:30:38 -0800500 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
501 IWL_UCODE_MINOR(drv->fw.ucode_ver),
502 IWL_UCODE_API(drv->fw.ucode_ver),
503 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
Johannes Berg15854ef92012-03-05 11:24:50 -0800504 buildstr);
505
506 /* Verify size of file vs. image size info in file's header */
David Spinadel0cedacc2012-03-10 13:00:12 -0800507
508 if (ucode_raw->size != hdr_size +
509 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
510 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
511 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
512 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
Johannes Berg15854ef92012-03-05 11:24:50 -0800513
Johannes Berg965974a62012-03-06 13:30:38 -0800514 IWL_ERR(drv,
Johannes Berg15854ef92012-03-05 11:24:50 -0800515 "uCode file size %d does not match expected size\n",
516 (int)ucode_raw->size);
517 return -EINVAL;
518 }
519
Johannes Berg15854ef92012-03-05 11:24:50 -0800520
David Spinadel0cedacc2012-03-10 13:00:12 -0800521 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
522 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
523 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
524 IWLAGN_RTC_INST_LOWER_BOUND);
525 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
526 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
527 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
528 IWLAGN_RTC_DATA_LOWER_BOUND);
529 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
530 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
531 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
532 IWLAGN_RTC_INST_LOWER_BOUND);
533 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
534 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
535 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
536 IWLAGN_RTC_DATA_LOWER_BOUND);
Johannes Berg15854ef92012-03-05 11:24:50 -0800537 return 0;
538}
539
Johannes Berg965974a62012-03-06 13:30:38 -0800540static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
Johannes Berg15854ef92012-03-05 11:24:50 -0800541 const struct firmware *ucode_raw,
David Spinadel0cedacc2012-03-10 13:00:12 -0800542 struct iwl_firmware_pieces *pieces,
Johannes Berg15854ef92012-03-05 11:24:50 -0800543 struct iwl_ucode_capabilities *capa)
544{
545 struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data;
546 struct iwl_ucode_tlv *tlv;
547 size_t len = ucode_raw->size;
548 const u8 *data;
Johannes Berg15854ef92012-03-05 11:24:50 -0800549 u32 tlv_len;
550 enum iwl_ucode_tlv_type tlv_type;
551 const u8 *tlv_data;
552 char buildstr[25];
553 u32 build;
Eran Hararye2d6f4e2013-10-02 13:53:40 +0300554 int num_of_cpus;
Johannes Berg15854ef92012-03-05 11:24:50 -0800555
556 if (len < sizeof(*ucode)) {
Johannes Berg965974a62012-03-06 13:30:38 -0800557 IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
Johannes Berg15854ef92012-03-05 11:24:50 -0800558 return -EINVAL;
559 }
560
561 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
Johannes Berg965974a62012-03-06 13:30:38 -0800562 IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
Johannes Berg15854ef92012-03-05 11:24:50 -0800563 le32_to_cpu(ucode->magic));
564 return -EINVAL;
565 }
566
Johannes Berg965974a62012-03-06 13:30:38 -0800567 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
Johannes Berg15854ef92012-03-05 11:24:50 -0800568 build = le32_to_cpu(ucode->build);
569
570 if (build)
571 sprintf(buildstr, " build %u%s", build,
Johannes Berg965974a62012-03-06 13:30:38 -0800572 (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
Johannes Berg15854ef92012-03-05 11:24:50 -0800573 ? " (EXP)" : "");
574 else
575 buildstr[0] = '\0';
576
Johannes Berg965974a62012-03-06 13:30:38 -0800577 snprintf(drv->fw.fw_version,
578 sizeof(drv->fw.fw_version),
Johannes Berg15854ef92012-03-05 11:24:50 -0800579 "%u.%u.%u.%u%s",
Johannes Berg965974a62012-03-06 13:30:38 -0800580 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
581 IWL_UCODE_MINOR(drv->fw.ucode_ver),
582 IWL_UCODE_API(drv->fw.ucode_ver),
583 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
Johannes Berg15854ef92012-03-05 11:24:50 -0800584 buildstr);
585
586 data = ucode->data;
587
588 len -= sizeof(*ucode);
589
590 while (len >= sizeof(*tlv)) {
Johannes Berg15854ef92012-03-05 11:24:50 -0800591 len -= sizeof(*tlv);
592 tlv = (void *)data;
593
594 tlv_len = le32_to_cpu(tlv->length);
Johannes Berg0479c192012-03-09 09:16:35 +0100595 tlv_type = le32_to_cpu(tlv->type);
Johannes Berg15854ef92012-03-05 11:24:50 -0800596 tlv_data = tlv->data;
597
598 if (len < tlv_len) {
Johannes Berg965974a62012-03-06 13:30:38 -0800599 IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
Johannes Berg15854ef92012-03-05 11:24:50 -0800600 len, tlv_len);
601 return -EINVAL;
602 }
603 len -= ALIGN(tlv_len, 4);
604 data += sizeof(*tlv) + ALIGN(tlv_len, 4);
605
Johannes Berg15854ef92012-03-05 11:24:50 -0800606 switch (tlv_type) {
607 case IWL_UCODE_TLV_INST:
David Spinadel0cedacc2012-03-10 13:00:12 -0800608 set_sec_data(pieces, IWL_UCODE_REGULAR,
609 IWL_UCODE_SECTION_INST, tlv_data);
610 set_sec_size(pieces, IWL_UCODE_REGULAR,
611 IWL_UCODE_SECTION_INST, tlv_len);
612 set_sec_offset(pieces, IWL_UCODE_REGULAR,
613 IWL_UCODE_SECTION_INST,
614 IWLAGN_RTC_INST_LOWER_BOUND);
Johannes Berg15854ef92012-03-05 11:24:50 -0800615 break;
616 case IWL_UCODE_TLV_DATA:
David Spinadel0cedacc2012-03-10 13:00:12 -0800617 set_sec_data(pieces, IWL_UCODE_REGULAR,
618 IWL_UCODE_SECTION_DATA, tlv_data);
619 set_sec_size(pieces, IWL_UCODE_REGULAR,
620 IWL_UCODE_SECTION_DATA, tlv_len);
621 set_sec_offset(pieces, IWL_UCODE_REGULAR,
622 IWL_UCODE_SECTION_DATA,
623 IWLAGN_RTC_DATA_LOWER_BOUND);
Johannes Berg15854ef92012-03-05 11:24:50 -0800624 break;
625 case IWL_UCODE_TLV_INIT:
David Spinadel0cedacc2012-03-10 13:00:12 -0800626 set_sec_data(pieces, IWL_UCODE_INIT,
627 IWL_UCODE_SECTION_INST, tlv_data);
628 set_sec_size(pieces, IWL_UCODE_INIT,
629 IWL_UCODE_SECTION_INST, tlv_len);
630 set_sec_offset(pieces, IWL_UCODE_INIT,
631 IWL_UCODE_SECTION_INST,
632 IWLAGN_RTC_INST_LOWER_BOUND);
Johannes Berg15854ef92012-03-05 11:24:50 -0800633 break;
634 case IWL_UCODE_TLV_INIT_DATA:
David Spinadel0cedacc2012-03-10 13:00:12 -0800635 set_sec_data(pieces, IWL_UCODE_INIT,
636 IWL_UCODE_SECTION_DATA, tlv_data);
637 set_sec_size(pieces, IWL_UCODE_INIT,
638 IWL_UCODE_SECTION_DATA, tlv_len);
639 set_sec_offset(pieces, IWL_UCODE_INIT,
640 IWL_UCODE_SECTION_DATA,
641 IWLAGN_RTC_DATA_LOWER_BOUND);
Johannes Berg15854ef92012-03-05 11:24:50 -0800642 break;
643 case IWL_UCODE_TLV_BOOT:
Johannes Berg965974a62012-03-06 13:30:38 -0800644 IWL_ERR(drv, "Found unexpected BOOT ucode\n");
Johannes Berg15854ef92012-03-05 11:24:50 -0800645 break;
646 case IWL_UCODE_TLV_PROBE_MAX_LEN:
647 if (tlv_len != sizeof(u32))
648 goto invalid_tlv_len;
649 capa->max_probe_length =
650 le32_to_cpup((__le32 *)tlv_data);
651 break;
652 case IWL_UCODE_TLV_PAN:
653 if (tlv_len)
654 goto invalid_tlv_len;
655 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
656 break;
657 case IWL_UCODE_TLV_FLAGS:
658 /* must be at least one u32 */
659 if (tlv_len < sizeof(u32))
660 goto invalid_tlv_len;
661 /* and a proper number of u32s */
662 if (tlv_len % sizeof(u32))
663 goto invalid_tlv_len;
664 /*
665 * This driver only reads the first u32 as
666 * right now no more features are defined,
667 * if that changes then either the driver
668 * will not work with the new firmware, or
669 * it'll not take advantage of new features.
670 */
671 capa->flags = le32_to_cpup((__le32 *)tlv_data);
672 break;
Eran Hararya2978b12014-02-20 11:00:01 +0200673 case IWL_UCODE_TLV_API_CHANGES_SET:
674 if (tlv_len != sizeof(struct iwl_ucode_api))
675 goto invalid_tlv_len;
676 if (iwl_set_ucode_api_flags(drv, tlv_data, capa))
677 goto tlv_error;
678 break;
679 case IWL_UCODE_TLV_ENABLED_CAPABILITIES:
680 if (tlv_len != sizeof(struct iwl_ucode_capa))
681 goto invalid_tlv_len;
682 if (iwl_set_ucode_capabilities(drv, tlv_data, capa))
683 goto tlv_error;
684 break;
Johannes Berg15854ef92012-03-05 11:24:50 -0800685 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
686 if (tlv_len != sizeof(u32))
687 goto invalid_tlv_len;
688 pieces->init_evtlog_ptr =
689 le32_to_cpup((__le32 *)tlv_data);
690 break;
691 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
692 if (tlv_len != sizeof(u32))
693 goto invalid_tlv_len;
694 pieces->init_evtlog_size =
695 le32_to_cpup((__le32 *)tlv_data);
696 break;
697 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
698 if (tlv_len != sizeof(u32))
699 goto invalid_tlv_len;
700 pieces->init_errlog_ptr =
701 le32_to_cpup((__le32 *)tlv_data);
702 break;
703 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
704 if (tlv_len != sizeof(u32))
705 goto invalid_tlv_len;
706 pieces->inst_evtlog_ptr =
707 le32_to_cpup((__le32 *)tlv_data);
708 break;
709 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
710 if (tlv_len != sizeof(u32))
711 goto invalid_tlv_len;
712 pieces->inst_evtlog_size =
713 le32_to_cpup((__le32 *)tlv_data);
714 break;
715 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
716 if (tlv_len != sizeof(u32))
717 goto invalid_tlv_len;
718 pieces->inst_errlog_ptr =
719 le32_to_cpup((__le32 *)tlv_data);
720 break;
721 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
722 if (tlv_len)
723 goto invalid_tlv_len;
Johannes Berg965974a62012-03-06 13:30:38 -0800724 drv->fw.enhance_sensitivity_table = true;
Johannes Berg15854ef92012-03-05 11:24:50 -0800725 break;
726 case IWL_UCODE_TLV_WOWLAN_INST:
David Spinadel0cedacc2012-03-10 13:00:12 -0800727 set_sec_data(pieces, IWL_UCODE_WOWLAN,
728 IWL_UCODE_SECTION_INST, tlv_data);
729 set_sec_size(pieces, IWL_UCODE_WOWLAN,
730 IWL_UCODE_SECTION_INST, tlv_len);
731 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
732 IWL_UCODE_SECTION_INST,
733 IWLAGN_RTC_INST_LOWER_BOUND);
Johannes Berg15854ef92012-03-05 11:24:50 -0800734 break;
735 case IWL_UCODE_TLV_WOWLAN_DATA:
David Spinadel0cedacc2012-03-10 13:00:12 -0800736 set_sec_data(pieces, IWL_UCODE_WOWLAN,
737 IWL_UCODE_SECTION_DATA, tlv_data);
738 set_sec_size(pieces, IWL_UCODE_WOWLAN,
739 IWL_UCODE_SECTION_DATA, tlv_len);
740 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
741 IWL_UCODE_SECTION_DATA,
742 IWLAGN_RTC_DATA_LOWER_BOUND);
Johannes Berg15854ef92012-03-05 11:24:50 -0800743 break;
744 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
745 if (tlv_len != sizeof(u32))
746 goto invalid_tlv_len;
747 capa->standard_phy_calibration_size =
748 le32_to_cpup((__le32 *)tlv_data);
749 break;
David Spinadeled8c8362012-03-10 13:00:13 -0800750 case IWL_UCODE_TLV_SEC_RT:
751 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
752 tlv_len);
David Spinadel4db2c9a2012-03-10 13:00:15 -0800753 drv->fw.mvm_fw = true;
David Spinadeled8c8362012-03-10 13:00:13 -0800754 break;
755 case IWL_UCODE_TLV_SEC_INIT:
756 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
757 tlv_len);
David Spinadel4db2c9a2012-03-10 13:00:15 -0800758 drv->fw.mvm_fw = true;
David Spinadeled8c8362012-03-10 13:00:13 -0800759 break;
760 case IWL_UCODE_TLV_SEC_WOWLAN:
761 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
762 tlv_len);
David Spinadel4db2c9a2012-03-10 13:00:15 -0800763 drv->fw.mvm_fw = true;
David Spinadeled8c8362012-03-10 13:00:13 -0800764 break;
765 case IWL_UCODE_TLV_DEF_CALIB:
766 if (tlv_len != sizeof(struct iwl_tlv_calib_data))
767 goto invalid_tlv_len;
768 if (iwl_set_default_calib(drv, tlv_data))
769 goto tlv_error;
770 break;
771 case IWL_UCODE_TLV_PHY_SKU:
772 if (tlv_len != sizeof(u32))
773 goto invalid_tlv_len;
774 drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data);
Eran Harary77db0a32014-02-04 14:21:38 +0200775 drv->fw.valid_tx_ant = (drv->fw.phy_config &
776 FW_PHY_CFG_TX_CHAIN) >>
777 FW_PHY_CFG_TX_CHAIN_POS;
778 drv->fw.valid_rx_ant = (drv->fw.phy_config &
779 FW_PHY_CFG_RX_CHAIN) >>
780 FW_PHY_CFG_RX_CHAIN_POS;
David Spinadeled8c8362012-03-10 13:00:13 -0800781 break;
Eran Hararye2d6f4e2013-10-02 13:53:40 +0300782 case IWL_UCODE_TLV_SECURE_SEC_RT:
783 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR,
784 tlv_len);
785 drv->fw.mvm_fw = true;
786 drv->fw.img[IWL_UCODE_REGULAR].is_secure = true;
787 break;
788 case IWL_UCODE_TLV_SECURE_SEC_INIT:
789 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT,
790 tlv_len);
791 drv->fw.mvm_fw = true;
792 drv->fw.img[IWL_UCODE_INIT].is_secure = true;
793 break;
794 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:
795 iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN,
796 tlv_len);
797 drv->fw.mvm_fw = true;
798 drv->fw.img[IWL_UCODE_WOWLAN].is_secure = true;
799 break;
800 case IWL_UCODE_TLV_NUM_OF_CPU:
801 if (tlv_len != sizeof(u32))
802 goto invalid_tlv_len;
803 num_of_cpus =
804 le32_to_cpup((__le32 *)tlv_data);
805
806 if (num_of_cpus == 2) {
807 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus =
808 true;
809 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus =
810 true;
811 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus =
812 true;
813 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) {
814 IWL_ERR(drv, "Driver support upto 2 CPUs\n");
815 return -EINVAL;
816 }
817 break;
Max Stepanove36e5432013-08-27 19:56:13 +0300818 case IWL_UCODE_TLV_CSCHEME:
819 if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len))
820 goto invalid_tlv_len;
821 break;
Johannes Berg15854ef92012-03-05 11:24:50 -0800822 default:
Johannes Berg965974a62012-03-06 13:30:38 -0800823 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
Johannes Berg15854ef92012-03-05 11:24:50 -0800824 break;
825 }
826 }
827
828 if (len) {
Johannes Berg965974a62012-03-06 13:30:38 -0800829 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
830 iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len);
Johannes Berg15854ef92012-03-05 11:24:50 -0800831 return -EINVAL;
832 }
833
834 return 0;
835
836 invalid_tlv_len:
Johannes Berg965974a62012-03-06 13:30:38 -0800837 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
David Spinadeled8c8362012-03-10 13:00:13 -0800838 tlv_error:
Johannes Berg965974a62012-03-06 13:30:38 -0800839 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
Johannes Berg15854ef92012-03-05 11:24:50 -0800840
841 return -EINVAL;
842}
843
Johannes Berg75813bd2012-05-16 22:49:49 +0200844static int iwl_alloc_ucode(struct iwl_drv *drv,
845 struct iwl_firmware_pieces *pieces,
846 enum iwl_ucode_type type)
David Spinadel6dfa8d02012-03-10 13:00:14 -0800847{
848 int i;
849 for (i = 0;
850 i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i);
851 i++)
852 if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]),
Johannes Berg75813bd2012-05-16 22:49:49 +0200853 get_sec(pieces, type, i)))
854 return -ENOMEM;
David Spinadel6dfa8d02012-03-10 13:00:14 -0800855 return 0;
856}
857
858static int validate_sec_sizes(struct iwl_drv *drv,
859 struct iwl_firmware_pieces *pieces,
860 const struct iwl_cfg *cfg)
861{
862 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n",
863 get_sec_size(pieces, IWL_UCODE_REGULAR,
864 IWL_UCODE_SECTION_INST));
865 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n",
866 get_sec_size(pieces, IWL_UCODE_REGULAR,
867 IWL_UCODE_SECTION_DATA));
868 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n",
869 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
870 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n",
871 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
872
873 /* Verify that uCode images will fit in card's SRAM. */
874 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
875 cfg->max_inst_size) {
876 IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n",
877 get_sec_size(pieces, IWL_UCODE_REGULAR,
878 IWL_UCODE_SECTION_INST));
879 return -1;
880 }
881
882 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
883 cfg->max_data_size) {
884 IWL_ERR(drv, "uCode data len %Zd too large to fit in\n",
885 get_sec_size(pieces, IWL_UCODE_REGULAR,
886 IWL_UCODE_SECTION_DATA));
887 return -1;
888 }
889
890 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
891 cfg->max_inst_size) {
892 IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n",
893 get_sec_size(pieces, IWL_UCODE_INIT,
894 IWL_UCODE_SECTION_INST));
895 return -1;
896 }
897
898 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
899 cfg->max_data_size) {
900 IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n",
901 get_sec_size(pieces, IWL_UCODE_REGULAR,
902 IWL_UCODE_SECTION_DATA));
903 return -1;
904 }
905 return 0;
906}
907
Meenakshi Venkataraman9da987a2012-07-16 18:43:56 -0700908static struct iwl_op_mode *
909_iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
910{
911 const struct iwl_op_mode_ops *ops = op->ops;
912 struct dentry *dbgfs_dir = NULL;
913 struct iwl_op_mode *op_mode = NULL;
914
915#ifdef CONFIG_IWLWIFI_DEBUGFS
916 drv->dbgfs_op_mode = debugfs_create_dir(op->name,
917 drv->dbgfs_drv);
918 if (!drv->dbgfs_op_mode) {
919 IWL_ERR(drv,
920 "failed to create opmode debugfs directory\n");
921 return op_mode;
922 }
923 dbgfs_dir = drv->dbgfs_op_mode;
924#endif
925
926 op_mode = ops->start(drv->trans, drv->cfg, &drv->fw, dbgfs_dir);
927
928#ifdef CONFIG_IWLWIFI_DEBUGFS
929 if (!op_mode) {
930 debugfs_remove_recursive(drv->dbgfs_op_mode);
931 drv->dbgfs_op_mode = NULL;
932 }
933#endif
934
935 return op_mode;
936}
937
938static void _iwl_op_mode_stop(struct iwl_drv *drv)
939{
940 /* op_mode can be NULL if its start failed */
941 if (drv->op_mode) {
942 iwl_op_mode_stop(drv->op_mode);
943 drv->op_mode = NULL;
944
945#ifdef CONFIG_IWLWIFI_DEBUGFS
946 debugfs_remove_recursive(drv->dbgfs_op_mode);
947 drv->dbgfs_op_mode = NULL;
948#endif
949 }
950}
951
Johannes Berg15854ef92012-03-05 11:24:50 -0800952/**
Emmanuel Grumbach1c8e11e2012-07-16 12:31:28 +0300953 * iwl_req_fw_callback - callback when firmware was loaded
Johannes Berg15854ef92012-03-05 11:24:50 -0800954 *
955 * If loaded successfully, copies the firmware into buffers
956 * for the card to fetch (via DMA).
957 */
Emmanuel Grumbach1c8e11e2012-07-16 12:31:28 +0300958static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
Johannes Berg15854ef92012-03-05 11:24:50 -0800959{
Johannes Berg965974a62012-03-06 13:30:38 -0800960 struct iwl_drv *drv = context;
Johannes Berg965974a62012-03-06 13:30:38 -0800961 struct iwl_fw *fw = &drv->fw;
Johannes Berg15854ef92012-03-05 11:24:50 -0800962 struct iwl_ucode_header *ucode;
Don Frycc5f7e32012-05-16 22:54:27 +0200963 struct iwlwifi_opmode_table *op;
Johannes Berg15854ef92012-03-05 11:24:50 -0800964 int err;
David Spinadel0cedacc2012-03-10 13:00:12 -0800965 struct iwl_firmware_pieces pieces;
Emmanuel Grumbach68f360d2012-03-22 17:51:44 +0200966 const unsigned int api_max = drv->cfg->ucode_api_max;
967 unsigned int api_ok = drv->cfg->ucode_api_ok;
968 const unsigned int api_min = drv->cfg->ucode_api_min;
Johannes Berg15854ef92012-03-05 11:24:50 -0800969 u32 api_ver;
David Spinadel6dfa8d02012-03-10 13:00:14 -0800970 int i;
Johannes Bergd4b10482012-06-12 19:50:43 +0200971 bool load_module = false;
Johannes Berg15854ef92012-03-05 11:24:50 -0800972
Luciano Coelho66140ad2013-08-12 19:30:21 +0300973 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;
Johannes Berg15854ef92012-03-05 11:24:50 -0800974 fw->ucode_capa.standard_phy_calibration_size =
975 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
976
977 if (!api_ok)
978 api_ok = api_max;
979
980 memset(&pieces, 0, sizeof(pieces));
981
982 if (!ucode_raw) {
Johannes Berg965974a62012-03-06 13:30:38 -0800983 if (drv->fw_index <= api_ok)
984 IWL_ERR(drv,
Johannes Berg15854ef92012-03-05 11:24:50 -0800985 "request for firmware file '%s' failed.\n",
Johannes Berg965974a62012-03-06 13:30:38 -0800986 drv->firmware_name);
Johannes Berg15854ef92012-03-05 11:24:50 -0800987 goto try_again;
988 }
989
Johannes Berg965974a62012-03-06 13:30:38 -0800990 IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
991 drv->firmware_name, ucode_raw->size);
Johannes Berg15854ef92012-03-05 11:24:50 -0800992
993 /* Make sure that we got at least the API version number */
994 if (ucode_raw->size < 4) {
Johannes Berg965974a62012-03-06 13:30:38 -0800995 IWL_ERR(drv, "File size way too small!\n");
Johannes Berg15854ef92012-03-05 11:24:50 -0800996 goto try_again;
997 }
998
999 /* Data from ucode file: header followed by uCode images */
1000 ucode = (struct iwl_ucode_header *)ucode_raw->data;
1001
1002 if (ucode->ver)
Johannes Berg965974a62012-03-06 13:30:38 -08001003 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, &pieces);
Johannes Berg15854ef92012-03-05 11:24:50 -08001004 else
Johannes Berg965974a62012-03-06 13:30:38 -08001005 err = iwl_parse_tlv_firmware(drv, ucode_raw, &pieces,
Johannes Berg15854ef92012-03-05 11:24:50 -08001006 &fw->ucode_capa);
1007
1008 if (err)
1009 goto try_again;
1010
Johannes Berg965974a62012-03-06 13:30:38 -08001011 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
Johannes Berg15854ef92012-03-05 11:24:50 -08001012
1013 /*
1014 * api_ver should match the api version forming part of the
1015 * firmware filename ... but we don't check for that and only rely
1016 * on the API version read from firmware header from here on forward
1017 */
1018 /* no api version check required for experimental uCode */
Johannes Berg965974a62012-03-06 13:30:38 -08001019 if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) {
Johannes Berg15854ef92012-03-05 11:24:50 -08001020 if (api_ver < api_min || api_ver > api_max) {
Johannes Berg965974a62012-03-06 13:30:38 -08001021 IWL_ERR(drv,
Johannes Berg15854ef92012-03-05 11:24:50 -08001022 "Driver unable to support your firmware API. "
1023 "Driver supports v%u, firmware is v%u.\n",
1024 api_max, api_ver);
1025 goto try_again;
1026 }
1027
1028 if (api_ver < api_ok) {
1029 if (api_ok != api_max)
Johannes Berg965974a62012-03-06 13:30:38 -08001030 IWL_ERR(drv, "Firmware has old API version, "
Johannes Berg15854ef92012-03-05 11:24:50 -08001031 "expected v%u through v%u, got v%u.\n",
1032 api_ok, api_max, api_ver);
1033 else
Johannes Berg965974a62012-03-06 13:30:38 -08001034 IWL_ERR(drv, "Firmware has old API version, "
Johannes Berg15854ef92012-03-05 11:24:50 -08001035 "expected v%u, got v%u.\n",
1036 api_max, api_ver);
Johannes Berg965974a62012-03-06 13:30:38 -08001037 IWL_ERR(drv, "New firmware can be obtained from "
Johannes Berg15854ef92012-03-05 11:24:50 -08001038 "http://www.intellinuxwireless.org/.\n");
1039 }
1040 }
1041
Johannes Berg15854ef92012-03-05 11:24:50 -08001042 /*
David Spinadel4db2c9a2012-03-10 13:00:15 -08001043 * In mvm uCode there is no difference between data and instructions
1044 * sections.
1045 */
Emmanuel Grumbach68f360d2012-03-22 17:51:44 +02001046 if (!fw->mvm_fw && validate_sec_sizes(drv, &pieces, drv->cfg))
Johannes Berg15854ef92012-03-05 11:24:50 -08001047 goto try_again;
Johannes Berg15854ef92012-03-05 11:24:50 -08001048
1049 /* Allocate ucode buffers for card's bus-master loading ... */
1050
1051 /* Runtime instructions and 2 copies of data:
1052 * 1) unmodified from disk
1053 * 2) backup cache for save/restore during power-downs */
David Spinadel6dfa8d02012-03-10 13:00:14 -08001054 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
Johannes Berg75813bd2012-05-16 22:49:49 +02001055 if (iwl_alloc_ucode(drv, &pieces, i))
1056 goto out_free_fw;
Johannes Berg15854ef92012-03-05 11:24:50 -08001057
1058 /* Now that we can no longer fail, copy information */
1059
1060 /*
1061 * The (size - 16) / 12 formula is based on the information recorded
1062 * for each event, which is of mode 1 (including timestamp) for all
1063 * new microcodes that include this information.
1064 */
Johannes Berg0692fe42012-03-06 13:30:37 -08001065 fw->init_evtlog_ptr = pieces.init_evtlog_ptr;
Johannes Berg15854ef92012-03-05 11:24:50 -08001066 if (pieces.init_evtlog_size)
Johannes Berg0692fe42012-03-06 13:30:37 -08001067 fw->init_evtlog_size = (pieces.init_evtlog_size - 16)/12;
Johannes Berg15854ef92012-03-05 11:24:50 -08001068 else
Johannes Berg0692fe42012-03-06 13:30:37 -08001069 fw->init_evtlog_size =
Emmanuel Grumbach68f360d2012-03-22 17:51:44 +02001070 drv->cfg->base_params->max_event_log_size;
Johannes Berg0692fe42012-03-06 13:30:37 -08001071 fw->init_errlog_ptr = pieces.init_errlog_ptr;
1072 fw->inst_evtlog_ptr = pieces.inst_evtlog_ptr;
Johannes Berg15854ef92012-03-05 11:24:50 -08001073 if (pieces.inst_evtlog_size)
Johannes Berg0692fe42012-03-06 13:30:37 -08001074 fw->inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12;
Johannes Berg15854ef92012-03-05 11:24:50 -08001075 else
Johannes Berg0692fe42012-03-06 13:30:37 -08001076 fw->inst_evtlog_size =
Emmanuel Grumbach68f360d2012-03-22 17:51:44 +02001077 drv->cfg->base_params->max_event_log_size;
Johannes Berg0692fe42012-03-06 13:30:37 -08001078 fw->inst_errlog_ptr = pieces.inst_errlog_ptr;
Johannes Berg15854ef92012-03-05 11:24:50 -08001079
1080 /*
1081 * figure out the offset of chain noise reset and gain commands
1082 * base on the size of standard phy calibration commands table size
1083 */
1084 if (fw->ucode_capa.standard_phy_calibration_size >
1085 IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
1086 fw->ucode_capa.standard_phy_calibration_size =
1087 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1088
1089 /* We have our copies now, allow OS release its copies */
1090 release_firmware(ucode_raw);
Johannes Berg15854ef92012-03-05 11:24:50 -08001091
Johannes Bergff1ffb82012-06-06 09:42:57 +02001092 mutex_lock(&iwlwifi_opmode_table_mtx);
Johannes Berg8ca151b2013-01-24 14:25:36 +01001093 if (fw->mvm_fw)
1094 op = &iwlwifi_opmode_table[MVM_OP_MODE];
1095 else
1096 op = &iwlwifi_opmode_table[DVM_OP_MODE];
Johannes Berg15854ef92012-03-05 11:24:50 -08001097
Johannes Berg2b2719c2013-03-26 11:41:51 +01001098 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",
1099 drv->fw.fw_version, op->name);
1100
Don Frycc5f7e32012-05-16 22:54:27 +02001101 /* add this device to the list of devices using this op_mode */
1102 list_add_tail(&drv->list, &op->drv);
1103
1104 if (op->ops) {
Meenakshi Venkataraman9da987a2012-07-16 18:43:56 -07001105 drv->op_mode = _iwl_op_mode_start(drv, op);
John W. Linville7c9c46c2012-06-06 14:40:06 -04001106
Dan Carpenterdaf67ce2012-06-14 21:35:26 +03001107 if (!drv->op_mode) {
1108 mutex_unlock(&iwlwifi_opmode_table_mtx);
John W. Linville7c9c46c2012-06-06 14:40:06 -04001109 goto out_unbind;
Dan Carpenterdaf67ce2012-06-14 21:35:26 +03001110 }
Don Frycc5f7e32012-05-16 22:54:27 +02001111 } else {
Johannes Bergd4b10482012-06-12 19:50:43 +02001112 load_module = true;
Don Frycc5f7e32012-05-16 22:54:27 +02001113 }
Johannes Bergff1ffb82012-06-06 09:42:57 +02001114 mutex_unlock(&iwlwifi_opmode_table_mtx);
Johannes Berg15854ef92012-03-05 11:24:50 -08001115
Johannes Bergf69a23b2012-06-05 19:56:06 +02001116 /*
1117 * Complete the firmware request last so that
1118 * a driver unbind (stop) doesn't run while we
1119 * are doing the start() above.
1120 */
1121 complete(&drv->request_firmware_complete);
Johannes Bergd4b10482012-06-12 19:50:43 +02001122
1123 /*
1124 * Load the module last so we don't block anything
1125 * else from proceeding if the module fails to load
1126 * or hangs loading.
1127 */
Johannes Berg1618b2b2013-04-04 10:35:23 +02001128 if (load_module) {
1129 err = request_module("%s", op->name);
Johannes Berg8edf3fd2013-05-28 21:32:47 +02001130#ifdef CONFIG_IWLWIFI_OPMODE_MODULAR
Johannes Berg1618b2b2013-04-04 10:35:23 +02001131 if (err)
1132 IWL_ERR(drv,
1133 "failed to load module %s (error %d), is dynamic loading enabled?\n",
1134 op->name, err);
Johannes Berg8edf3fd2013-05-28 21:32:47 +02001135#endif
Johannes Berg1618b2b2013-04-04 10:35:23 +02001136 }
Johannes Berg15854ef92012-03-05 11:24:50 -08001137 return;
1138
1139 try_again:
1140 /* try next, if any */
1141 release_firmware(ucode_raw);
Johannes Berg965974a62012-03-06 13:30:38 -08001142 if (iwl_request_firmware(drv, false))
Johannes Berg15854ef92012-03-05 11:24:50 -08001143 goto out_unbind;
1144 return;
1145
Johannes Berg75813bd2012-05-16 22:49:49 +02001146 out_free_fw:
Johannes Berg965974a62012-03-06 13:30:38 -08001147 IWL_ERR(drv, "failed to allocate pci memory\n");
1148 iwl_dealloc_ucode(drv);
Johannes Berg15854ef92012-03-05 11:24:50 -08001149 release_firmware(ucode_raw);
1150 out_unbind:
Johannes Berg965974a62012-03-06 13:30:38 -08001151 complete(&drv->request_firmware_complete);
Emmanuel Grumbach93faaee2012-03-22 17:51:44 +02001152 device_release_driver(drv->trans->dev);
Johannes Berg15854ef92012-03-05 11:24:50 -08001153}
1154
Emmanuel Grumbach87ce05a2012-03-26 09:03:18 -07001155struct iwl_drv *iwl_drv_start(struct iwl_trans *trans,
Emmanuel Grumbach9130bab2012-03-26 08:51:09 -07001156 const struct iwl_cfg *cfg)
Emmanuel Grumbach5c58edc2012-02-07 14:18:40 +02001157{
Johannes Berg965974a62012-03-06 13:30:38 -08001158 struct iwl_drv *drv;
Emmanuel Grumbach5c58edc2012-02-07 14:18:40 +02001159 int ret;
1160
Johannes Berg965974a62012-03-06 13:30:38 -08001161 drv = kzalloc(sizeof(*drv), GFP_KERNEL);
Luciano Coelhoeafe25e2013-08-13 10:34:55 +03001162 if (!drv) {
1163 ret = -ENOMEM;
1164 goto err;
1165 }
Emmanuel Grumbachc15797e2012-04-19 10:29:58 +03001166
Emmanuel Grumbach9130bab2012-03-26 08:51:09 -07001167 drv->trans = trans;
Emmanuel Grumbach4b9844f2012-03-22 23:59:52 +02001168 drv->dev = trans->dev;
Emmanuel Grumbach68f360d2012-03-22 17:51:44 +02001169 drv->cfg = cfg;
Emmanuel Grumbach5c58edc2012-02-07 14:18:40 +02001170
Johannes Berg965974a62012-03-06 13:30:38 -08001171 init_completion(&drv->request_firmware_complete);
Johannes Bergff1ffb82012-06-06 09:42:57 +02001172 INIT_LIST_HEAD(&drv->list);
Emmanuel Grumbach5c58edc2012-02-07 14:18:40 +02001173
Meenakshi Venkataraman9da987a2012-07-16 18:43:56 -07001174#ifdef CONFIG_IWLWIFI_DEBUGFS
1175 /* Create the device debugfs entries. */
1176 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
1177 iwl_dbgfs_root);
1178
1179 if (!drv->dbgfs_drv) {
1180 IWL_ERR(drv, "failed to create debugfs directory\n");
Emmanuel Grumbach59f547a2012-11-28 16:42:09 +02001181 ret = -ENOMEM;
Meenakshi Venkataraman9da987a2012-07-16 18:43:56 -07001182 goto err_free_drv;
1183 }
1184
1185 /* Create transport layer debugfs dir */
1186 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
1187
1188 if (!drv->trans->dbgfs_dir) {
1189 IWL_ERR(drv, "failed to create transport debugfs directory\n");
Emmanuel Grumbach59f547a2012-11-28 16:42:09 +02001190 ret = -ENOMEM;
Meenakshi Venkataraman9da987a2012-07-16 18:43:56 -07001191 goto err_free_dbgfs;
1192 }
1193#endif
1194
Johannes Berg965974a62012-03-06 13:30:38 -08001195 ret = iwl_request_firmware(drv, true);
Emmanuel Grumbach5c58edc2012-02-07 14:18:40 +02001196 if (ret) {
Emmanuel Grumbachc15797e2012-04-19 10:29:58 +03001197 IWL_ERR(trans, "Couldn't request the fw\n");
Meenakshi Venkataraman9da987a2012-07-16 18:43:56 -07001198 goto err_fw;
Emmanuel Grumbach5c58edc2012-02-07 14:18:40 +02001199 }
1200
Emmanuel Grumbach9130bab2012-03-26 08:51:09 -07001201 return drv;
Meenakshi Venkataraman9da987a2012-07-16 18:43:56 -07001202
1203err_fw:
1204#ifdef CONFIG_IWLWIFI_DEBUGFS
1205err_free_dbgfs:
1206 debugfs_remove_recursive(drv->dbgfs_drv);
1207err_free_drv:
1208#endif
1209 kfree(drv);
Luciano Coelhoeafe25e2013-08-13 10:34:55 +03001210err:
Emmanuel Grumbach59f547a2012-11-28 16:42:09 +02001211 return ERR_PTR(ret);
Emmanuel Grumbach5c58edc2012-02-07 14:18:40 +02001212}
1213
Emmanuel Grumbach9130bab2012-03-26 08:51:09 -07001214void iwl_drv_stop(struct iwl_drv *drv)
Emmanuel Grumbach07590f02012-02-07 14:27:31 +02001215{
Johannes Berg965974a62012-03-06 13:30:38 -08001216 wait_for_completion(&drv->request_firmware_complete);
Johannes Berg2e7eb112012-03-05 11:24:51 -08001217
Meenakshi Venkataraman9da987a2012-07-16 18:43:56 -07001218 _iwl_op_mode_stop(drv);
Emmanuel Grumbach07590f02012-02-07 14:27:31 +02001219
Johannes Berg965974a62012-03-06 13:30:38 -08001220 iwl_dealloc_ucode(drv);
Johannes Berg7db5b982012-03-05 11:24:48 -08001221
Johannes Bergff1ffb82012-06-06 09:42:57 +02001222 mutex_lock(&iwlwifi_opmode_table_mtx);
1223 /*
1224 * List is empty (this item wasn't added)
1225 * when firmware loading failed -- in that
1226 * case we can't remove it from any list.
1227 */
1228 if (!list_empty(&drv->list))
1229 list_del(&drv->list);
1230 mutex_unlock(&iwlwifi_opmode_table_mtx);
1231
Meenakshi Venkataraman9da987a2012-07-16 18:43:56 -07001232#ifdef CONFIG_IWLWIFI_DEBUGFS
1233 debugfs_remove_recursive(drv->dbgfs_drv);
1234#endif
1235
Johannes Berg965974a62012-03-06 13:30:38 -08001236 kfree(drv);
Emmanuel Grumbach07590f02012-02-07 14:27:31 +02001237}
Johannes Berg65de7e82012-04-17 07:36:30 -07001238
1239
1240/* shared module parameters */
1241struct iwl_mod_params iwlwifi_mod_params = {
Emmanuel Grumbach490953a2013-03-04 08:53:07 +02001242 .restart_fw = true,
Johannes Berg65de7e82012-04-17 07:36:30 -07001243 .bt_coex_active = true,
1244 .power_level = IWL_POWER_INDEX_1,
Emmanuel Grumbach020c8762012-06-24 15:51:59 +03001245 .wd_disable = true,
Johannes Berg65de7e82012-04-17 07:36:30 -07001246 /* the rest are 0 by default */
1247};
Johannes Berg48e29342013-03-01 00:13:33 +01001248IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
Don Frycc5f7e32012-05-16 22:54:27 +02001249
1250int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
1251{
1252 int i;
1253 struct iwl_drv *drv;
Meenakshi Venkataraman9da987a2012-07-16 18:43:56 -07001254 struct iwlwifi_opmode_table *op;
Don Frycc5f7e32012-05-16 22:54:27 +02001255
Johannes Bergff1ffb82012-06-06 09:42:57 +02001256 mutex_lock(&iwlwifi_opmode_table_mtx);
Don Frycc5f7e32012-05-16 22:54:27 +02001257 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
Meenakshi Venkataraman9da987a2012-07-16 18:43:56 -07001258 op = &iwlwifi_opmode_table[i];
1259 if (strcmp(op->name, name))
Don Frycc5f7e32012-05-16 22:54:27 +02001260 continue;
Meenakshi Venkataraman9da987a2012-07-16 18:43:56 -07001261 op->ops = ops;
1262 /* TODO: need to handle exceptional case */
1263 list_for_each_entry(drv, &op->drv, list)
1264 drv->op_mode = _iwl_op_mode_start(drv, op);
1265
Johannes Bergff1ffb82012-06-06 09:42:57 +02001266 mutex_unlock(&iwlwifi_opmode_table_mtx);
Don Frycc5f7e32012-05-16 22:54:27 +02001267 return 0;
1268 }
Johannes Bergff1ffb82012-06-06 09:42:57 +02001269 mutex_unlock(&iwlwifi_opmode_table_mtx);
Don Frycc5f7e32012-05-16 22:54:27 +02001270 return -EIO;
1271}
Johannes Berg48e29342013-03-01 00:13:33 +01001272IWL_EXPORT_SYMBOL(iwl_opmode_register);
Don Frycc5f7e32012-05-16 22:54:27 +02001273
1274void iwl_opmode_deregister(const char *name)
1275{
1276 int i;
1277 struct iwl_drv *drv;
1278
Johannes Bergff1ffb82012-06-06 09:42:57 +02001279 mutex_lock(&iwlwifi_opmode_table_mtx);
Don Frycc5f7e32012-05-16 22:54:27 +02001280 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
1281 if (strcmp(iwlwifi_opmode_table[i].name, name))
1282 continue;
1283 iwlwifi_opmode_table[i].ops = NULL;
1284
1285 /* call the stop routine for all devices */
Meenakshi Venkataraman9da987a2012-07-16 18:43:56 -07001286 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
1287 _iwl_op_mode_stop(drv);
1288
Johannes Bergff1ffb82012-06-06 09:42:57 +02001289 mutex_unlock(&iwlwifi_opmode_table_mtx);
Don Frycc5f7e32012-05-16 22:54:27 +02001290 return;
1291 }
Johannes Bergff1ffb82012-06-06 09:42:57 +02001292 mutex_unlock(&iwlwifi_opmode_table_mtx);
Don Frycc5f7e32012-05-16 22:54:27 +02001293}
Johannes Berg48e29342013-03-01 00:13:33 +01001294IWL_EXPORT_SYMBOL(iwl_opmode_deregister);
Don Frycc5f7e32012-05-16 22:54:27 +02001295
1296static int __init iwl_drv_init(void)
1297{
1298 int i;
1299
Johannes Bergff1ffb82012-06-06 09:42:57 +02001300 mutex_init(&iwlwifi_opmode_table_mtx);
1301
Don Frycc5f7e32012-05-16 22:54:27 +02001302 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
1303 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
1304
1305 pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n");
1306 pr_info(DRV_COPYRIGHT "\n");
1307
Meenakshi Venkataraman9da987a2012-07-16 18:43:56 -07001308#ifdef CONFIG_IWLWIFI_DEBUGFS
1309 /* Create the root of iwlwifi debugfs subsystem. */
1310 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
1311
1312 if (!iwl_dbgfs_root)
1313 return -EFAULT;
1314#endif
1315
Don Frycc5f7e32012-05-16 22:54:27 +02001316 return iwl_pci_register_driver();
1317}
1318module_init(iwl_drv_init);
1319
1320static void __exit iwl_drv_exit(void)
1321{
1322 iwl_pci_unregister_driver();
Meenakshi Venkataraman9da987a2012-07-16 18:43:56 -07001323
1324#ifdef CONFIG_IWLWIFI_DEBUGFS
1325 debugfs_remove_recursive(iwl_dbgfs_root);
1326#endif
Don Frycc5f7e32012-05-16 22:54:27 +02001327}
1328module_exit(iwl_drv_exit);
Johannes Berg65de7e82012-04-17 07:36:30 -07001329
1330#ifdef CONFIG_IWLWIFI_DEBUG
1331module_param_named(debug, iwlwifi_mod_params.debug_level, uint,
1332 S_IRUGO | S_IWUSR);
1333MODULE_PARM_DESC(debug, "debug output mask");
1334#endif
1335
1336module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO);
1337MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
1338module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO);
1339MODULE_PARM_DESC(11n_disable,
1340 "disable 11n functionality, bitmap: 1: full, 2: agg TX, 4: agg RX");
1341module_param_named(amsdu_size_8K, iwlwifi_mod_params.amsdu_size_8K,
1342 int, S_IRUGO);
Emmanuel Grumbachaed7d9a2013-02-20 11:33:00 +02001343MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size (default 0)");
Emmanuel Grumbach490953a2013-03-04 08:53:07 +02001344module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO);
1345MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
Johannes Berg65de7e82012-04-17 07:36:30 -07001346
1347module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling,
1348 int, S_IRUGO);
1349MODULE_PARM_DESC(antenna_coupling,
1350 "specify antenna coupling in dB (defualt: 0 dB)");
1351
Johannes Berg65de7e82012-04-17 07:36:30 -07001352module_param_named(wd_disable, iwlwifi_mod_params.wd_disable, int, S_IRUGO);
1353MODULE_PARM_DESC(wd_disable,
Eliad Peller82b715c2014-02-11 16:54:42 +02001354 "Disable stuck queue watchdog timer 0=system default, 1=disable (default: 1)");
Johannes Berg65de7e82012-04-17 07:36:30 -07001355
Eran Harary12147552013-05-09 08:07:59 +03001356module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO);
1357MODULE_PARM_DESC(nvm_file, "NVM file name");
1358
Johannes Berg65de7e82012-04-17 07:36:30 -07001359/*
1360 * set bt_coex_active to true, uCode will do kill/defer
1361 * every time the priority line is asserted (BT is sending signals on the
1362 * priority line in the PCIx).
1363 * set bt_coex_active to false, uCode will ignore the BT activity and
1364 * perform the normal operation
1365 *
1366 * User might experience transmit issue on some platform due to WiFi/BT
1367 * co-exist problem. The possible behaviors are:
1368 * Able to scan and finding all the available AP
1369 * Not able to associate with any AP
1370 * On those platforms, WiFi communication can be restored by set
1371 * "bt_coex_active" module parameter to "false"
1372 *
1373 * default: bt_coex_active = true (BT_COEX_ENABLE)
1374 */
1375module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,
1376 bool, S_IRUGO);
1377MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
1378
1379module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO);
1380MODULE_PARM_DESC(led_mode, "0=system default, "
1381 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
1382
1383module_param_named(power_save, iwlwifi_mod_params.power_save,
1384 bool, S_IRUGO);
1385MODULE_PARM_DESC(power_save,
1386 "enable WiFi power management (default: disable)");
1387
1388module_param_named(power_level, iwlwifi_mod_params.power_level,
1389 int, S_IRUGO);
1390MODULE_PARM_DESC(power_level,
1391 "default power save level (range from 1 - 5, default: 1)");