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5c58edc6 EG |
1 | /****************************************************************************** |
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 | * | |
8 | * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved. | |
9 | * | |
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 | |
25 | * in the file called LICENSE.GPL. | |
26 | * | |
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 | * | |
33 | * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved. | |
34 | * 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> | |
15854ef9 JB |
64 | #include <linux/dma-mapping.h> |
65 | #include <linux/firmware.h> | |
66 | #include <linux/module.h> | |
5c58edc6 EG |
67 | |
68 | #include "iwl-drv.h" | |
c15797e6 | 69 | #include "iwl-debug.h" |
5c58edc6 | 70 | #include "iwl-trans.h" |
d0f76d68 | 71 | #include "iwl-op-mode.h" |
0cedacc5 | 72 | #include "iwl-agn-hw.h" |
6238b008 JB |
73 | #include "iwl-fw.h" |
74 | #include "iwl-config.h" | |
65de7e84 | 75 | #include "iwl-modparams.h" |
5c58edc6 | 76 | |
0692fe41 | 77 | /* private includes */ |
3995deaf | 78 | #include "iwl-fw-file.h" |
0692fe41 | 79 | |
965974a6 JB |
80 | /** |
81 | * struct iwl_drv - drv common data | |
82 | * @fw: the iwl_fw structure | |
965974a6 | 83 | * @op_mode: the running op_mode |
68f360dc | 84 | * @trans: transport layer |
4b9844f5 | 85 | * @dev: for debug prints only |
68f360dc | 86 | * @cfg: configuration struct |
965974a6 JB |
87 | * @fw_index: firmware revision to try loading |
88 | * @firmware_name: composite filename of ucode file to load | |
89 | * @request_firmware_complete: the firmware has been obtained from user space | |
90 | */ | |
91 | struct iwl_drv { | |
92 | struct iwl_fw fw; | |
93 | ||
965974a6 | 94 | struct iwl_op_mode *op_mode; |
9130bab1 | 95 | struct iwl_trans *trans; |
4b9844f5 | 96 | struct device *dev; |
68f360dc | 97 | const struct iwl_cfg *cfg; |
965974a6 JB |
98 | |
99 | int fw_index; /* firmware we're trying to load */ | |
100 | char firmware_name[25]; /* name of firmware file to load */ | |
101 | ||
102 | struct completion request_firmware_complete; | |
103 | }; | |
104 | ||
105 | ||
106 | ||
0cedacc5 DS |
107 | /* |
108 | * struct fw_sec: Just for the image parsing proccess. | |
109 | * For the fw storage we are using struct fw_desc. | |
110 | */ | |
111 | struct fw_sec { | |
112 | const void *data; /* the sec data */ | |
113 | size_t size; /* section size */ | |
114 | u32 offset; /* offset of writing in the device */ | |
115 | }; | |
116 | ||
965974a6 | 117 | static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) |
15854ef9 JB |
118 | { |
119 | if (desc->v_addr) | |
93faaeea | 120 | dma_free_coherent(drv->trans->dev, desc->len, |
15854ef9 JB |
121 | desc->v_addr, desc->p_addr); |
122 | desc->v_addr = NULL; | |
123 | desc->len = 0; | |
124 | } | |
125 | ||
965974a6 | 126 | static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) |
15854ef9 | 127 | { |
6dfa8d01 DS |
128 | int i; |
129 | for (i = 0; i < IWL_UCODE_SECTION_MAX; i++) | |
130 | iwl_free_fw_desc(drv, &img->sec[i]); | |
15854ef9 JB |
131 | } |
132 | ||
965974a6 | 133 | static void iwl_dealloc_ucode(struct iwl_drv *drv) |
15854ef9 | 134 | { |
6dfa8d01 DS |
135 | int i; |
136 | for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) | |
137 | iwl_free_fw_img(drv, drv->fw.img + i); | |
15854ef9 JB |
138 | } |
139 | ||
965974a6 | 140 | static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, |
0cedacc5 | 141 | struct fw_sec *sec) |
15854ef9 | 142 | { |
0cedacc5 | 143 | if (!sec || !sec->size) { |
15854ef9 JB |
144 | desc->v_addr = NULL; |
145 | return -EINVAL; | |
146 | } | |
147 | ||
93faaeea | 148 | desc->v_addr = dma_alloc_coherent(drv->trans->dev, sec->size, |
15854ef9 JB |
149 | &desc->p_addr, GFP_KERNEL); |
150 | if (!desc->v_addr) | |
151 | return -ENOMEM; | |
152 | ||
0cedacc5 DS |
153 | desc->len = sec->size; |
154 | desc->offset = sec->offset; | |
155 | memcpy(desc->v_addr, sec->data, sec->size); | |
15854ef9 JB |
156 | return 0; |
157 | } | |
158 | ||
159 | static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context); | |
160 | ||
161 | #define UCODE_EXPERIMENTAL_INDEX 100 | |
162 | #define UCODE_EXPERIMENTAL_TAG "exp" | |
163 | ||
965974a6 | 164 | static int iwl_request_firmware(struct iwl_drv *drv, bool first) |
15854ef9 | 165 | { |
68f360dc | 166 | const char *name_pre = drv->cfg->fw_name_pre; |
15854ef9 JB |
167 | char tag[8]; |
168 | ||
169 | if (first) { | |
170 | #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE | |
965974a6 | 171 | drv->fw_index = UCODE_EXPERIMENTAL_INDEX; |
15854ef9 | 172 | strcpy(tag, UCODE_EXPERIMENTAL_TAG); |
965974a6 | 173 | } else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) { |
15854ef9 | 174 | #endif |
68f360dc | 175 | drv->fw_index = drv->cfg->ucode_api_max; |
965974a6 | 176 | sprintf(tag, "%d", drv->fw_index); |
15854ef9 | 177 | } else { |
965974a6 JB |
178 | drv->fw_index--; |
179 | sprintf(tag, "%d", drv->fw_index); | |
15854ef9 JB |
180 | } |
181 | ||
68f360dc | 182 | if (drv->fw_index < drv->cfg->ucode_api_min) { |
965974a6 | 183 | IWL_ERR(drv, "no suitable firmware found!\n"); |
15854ef9 JB |
184 | return -ENOENT; |
185 | } | |
186 | ||
965974a6 | 187 | sprintf(drv->firmware_name, "%s%s%s", name_pre, tag, ".ucode"); |
15854ef9 | 188 | |
965974a6 JB |
189 | IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n", |
190 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) | |
15854ef9 | 191 | ? "EXPERIMENTAL " : "", |
965974a6 | 192 | drv->firmware_name); |
15854ef9 | 193 | |
965974a6 | 194 | return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, |
93faaeea | 195 | drv->trans->dev, |
965974a6 | 196 | GFP_KERNEL, drv, iwl_ucode_callback); |
15854ef9 JB |
197 | } |
198 | ||
0cedacc5 | 199 | struct fw_img_parsing { |
6dfa8d01 | 200 | struct fw_sec sec[IWL_UCODE_SECTION_MAX]; |
0cedacc5 DS |
201 | int sec_counter; |
202 | }; | |
203 | ||
ed8c8365 DS |
204 | /* |
205 | * struct fw_sec_parsing: to extract fw section and it's offset from tlv | |
206 | */ | |
207 | struct fw_sec_parsing { | |
208 | __le32 offset; | |
209 | const u8 data[]; | |
210 | } __packed; | |
211 | ||
212 | /** | |
213 | * struct iwl_tlv_calib_data - parse the default calib data from TLV | |
214 | * | |
215 | * @ucode_type: the uCode to which the following default calib relates. | |
216 | * @calib: default calibrations. | |
217 | */ | |
218 | struct iwl_tlv_calib_data { | |
219 | __le32 ucode_type; | |
220 | __le64 calib; | |
221 | } __packed; | |
222 | ||
0cedacc5 DS |
223 | struct iwl_firmware_pieces { |
224 | struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; | |
15854ef9 JB |
225 | |
226 | u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; | |
227 | u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; | |
228 | }; | |
229 | ||
0cedacc5 DS |
230 | /* |
231 | * These functions are just to extract uCode section data from the pieces | |
232 | * structure. | |
233 | */ | |
234 | static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, | |
235 | enum iwl_ucode_type type, | |
236 | int sec) | |
237 | { | |
238 | return &pieces->img[type].sec[sec]; | |
239 | } | |
240 | ||
241 | static void set_sec_data(struct iwl_firmware_pieces *pieces, | |
242 | enum iwl_ucode_type type, | |
243 | int sec, | |
244 | const void *data) | |
245 | { | |
246 | pieces->img[type].sec[sec].data = data; | |
247 | } | |
248 | ||
249 | static void set_sec_size(struct iwl_firmware_pieces *pieces, | |
250 | enum iwl_ucode_type type, | |
251 | int sec, | |
252 | size_t size) | |
253 | { | |
254 | pieces->img[type].sec[sec].size = size; | |
255 | } | |
256 | ||
257 | static size_t get_sec_size(struct iwl_firmware_pieces *pieces, | |
258 | enum iwl_ucode_type type, | |
259 | int sec) | |
260 | { | |
261 | return pieces->img[type].sec[sec].size; | |
262 | } | |
263 | ||
264 | static void set_sec_offset(struct iwl_firmware_pieces *pieces, | |
265 | enum iwl_ucode_type type, | |
266 | int sec, | |
267 | u32 offset) | |
268 | { | |
269 | pieces->img[type].sec[sec].offset = offset; | |
270 | } | |
271 | ||
ed8c8365 DS |
272 | /* |
273 | * Gets uCode section from tlv. | |
274 | */ | |
275 | static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, | |
276 | const void *data, enum iwl_ucode_type type, | |
277 | int size) | |
278 | { | |
279 | struct fw_img_parsing *img; | |
280 | struct fw_sec *sec; | |
281 | struct fw_sec_parsing *sec_parse; | |
282 | ||
283 | if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) | |
284 | return -1; | |
285 | ||
286 | sec_parse = (struct fw_sec_parsing *)data; | |
287 | ||
288 | img = &pieces->img[type]; | |
289 | sec = &img->sec[img->sec_counter]; | |
290 | ||
291 | sec->offset = le32_to_cpu(sec_parse->offset); | |
292 | sec->data = sec_parse->data; | |
1176f431 | 293 | sec->size = size - sizeof(sec_parse->offset); |
ed8c8365 DS |
294 | |
295 | ++img->sec_counter; | |
296 | ||
297 | return 0; | |
298 | } | |
299 | ||
300 | static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) | |
301 | { | |
302 | struct iwl_tlv_calib_data *def_calib = | |
303 | (struct iwl_tlv_calib_data *)data; | |
304 | u32 ucode_type = le32_to_cpu(def_calib->ucode_type); | |
305 | if (ucode_type >= IWL_UCODE_TYPE_MAX) { | |
306 | IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", | |
307 | ucode_type); | |
308 | return -EINVAL; | |
309 | } | |
310 | drv->fw.default_calib[ucode_type] = le64_to_cpu(def_calib->calib); | |
311 | return 0; | |
312 | } | |
313 | ||
965974a6 | 314 | static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, |
0cedacc5 DS |
315 | const struct firmware *ucode_raw, |
316 | struct iwl_firmware_pieces *pieces) | |
15854ef9 JB |
317 | { |
318 | struct iwl_ucode_header *ucode = (void *)ucode_raw->data; | |
319 | u32 api_ver, hdr_size, build; | |
320 | char buildstr[25]; | |
321 | const u8 *src; | |
322 | ||
965974a6 JB |
323 | drv->fw.ucode_ver = le32_to_cpu(ucode->ver); |
324 | api_ver = IWL_UCODE_API(drv->fw.ucode_ver); | |
15854ef9 JB |
325 | |
326 | switch (api_ver) { | |
327 | default: | |
328 | hdr_size = 28; | |
329 | if (ucode_raw->size < hdr_size) { | |
965974a6 | 330 | IWL_ERR(drv, "File size too small!\n"); |
15854ef9 JB |
331 | return -EINVAL; |
332 | } | |
333 | build = le32_to_cpu(ucode->u.v2.build); | |
0cedacc5 DS |
334 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, |
335 | le32_to_cpu(ucode->u.v2.inst_size)); | |
336 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
337 | le32_to_cpu(ucode->u.v2.data_size)); | |
338 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
339 | le32_to_cpu(ucode->u.v2.init_size)); | |
340 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
341 | le32_to_cpu(ucode->u.v2.init_data_size)); | |
15854ef9 JB |
342 | src = ucode->u.v2.data; |
343 | break; | |
344 | case 0: | |
345 | case 1: | |
346 | case 2: | |
347 | hdr_size = 24; | |
348 | if (ucode_raw->size < hdr_size) { | |
965974a6 | 349 | IWL_ERR(drv, "File size too small!\n"); |
15854ef9 JB |
350 | return -EINVAL; |
351 | } | |
352 | build = 0; | |
0cedacc5 DS |
353 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, |
354 | le32_to_cpu(ucode->u.v1.inst_size)); | |
355 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
356 | le32_to_cpu(ucode->u.v1.data_size)); | |
357 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
358 | le32_to_cpu(ucode->u.v1.init_size)); | |
359 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
360 | le32_to_cpu(ucode->u.v1.init_data_size)); | |
15854ef9 JB |
361 | src = ucode->u.v1.data; |
362 | break; | |
363 | } | |
364 | ||
365 | if (build) | |
366 | sprintf(buildstr, " build %u%s", build, | |
965974a6 | 367 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) |
15854ef9 JB |
368 | ? " (EXP)" : ""); |
369 | else | |
370 | buildstr[0] = '\0'; | |
371 | ||
965974a6 JB |
372 | snprintf(drv->fw.fw_version, |
373 | sizeof(drv->fw.fw_version), | |
15854ef9 | 374 | "%u.%u.%u.%u%s", |
965974a6 JB |
375 | IWL_UCODE_MAJOR(drv->fw.ucode_ver), |
376 | IWL_UCODE_MINOR(drv->fw.ucode_ver), | |
377 | IWL_UCODE_API(drv->fw.ucode_ver), | |
378 | IWL_UCODE_SERIAL(drv->fw.ucode_ver), | |
15854ef9 JB |
379 | buildstr); |
380 | ||
381 | /* Verify size of file vs. image size info in file's header */ | |
0cedacc5 DS |
382 | |
383 | if (ucode_raw->size != hdr_size + | |
384 | get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + | |
385 | get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + | |
386 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + | |
387 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { | |
15854ef9 | 388 | |
965974a6 | 389 | IWL_ERR(drv, |
15854ef9 JB |
390 | "uCode file size %d does not match expected size\n", |
391 | (int)ucode_raw->size); | |
392 | return -EINVAL; | |
393 | } | |
394 | ||
15854ef9 | 395 | |
0cedacc5 DS |
396 | set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); |
397 | src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); | |
398 | set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, | |
399 | IWLAGN_RTC_INST_LOWER_BOUND); | |
400 | set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); | |
401 | src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); | |
402 | set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
403 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
404 | set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); | |
405 | src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); | |
406 | set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
407 | IWLAGN_RTC_INST_LOWER_BOUND); | |
408 | set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); | |
409 | src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); | |
410 | set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
411 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
412 | return 0; |
413 | } | |
414 | ||
965974a6 | 415 | static int iwl_parse_tlv_firmware(struct iwl_drv *drv, |
15854ef9 | 416 | const struct firmware *ucode_raw, |
0cedacc5 | 417 | struct iwl_firmware_pieces *pieces, |
15854ef9 JB |
418 | struct iwl_ucode_capabilities *capa) |
419 | { | |
420 | struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; | |
421 | struct iwl_ucode_tlv *tlv; | |
422 | size_t len = ucode_raw->size; | |
423 | const u8 *data; | |
15854ef9 JB |
424 | u32 tlv_len; |
425 | enum iwl_ucode_tlv_type tlv_type; | |
426 | const u8 *tlv_data; | |
427 | char buildstr[25]; | |
428 | u32 build; | |
429 | ||
430 | if (len < sizeof(*ucode)) { | |
965974a6 | 431 | IWL_ERR(drv, "uCode has invalid length: %zd\n", len); |
15854ef9 JB |
432 | return -EINVAL; |
433 | } | |
434 | ||
435 | if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { | |
965974a6 | 436 | IWL_ERR(drv, "invalid uCode magic: 0X%x\n", |
15854ef9 JB |
437 | le32_to_cpu(ucode->magic)); |
438 | return -EINVAL; | |
439 | } | |
440 | ||
965974a6 | 441 | drv->fw.ucode_ver = le32_to_cpu(ucode->ver); |
15854ef9 JB |
442 | build = le32_to_cpu(ucode->build); |
443 | ||
444 | if (build) | |
445 | sprintf(buildstr, " build %u%s", build, | |
965974a6 | 446 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) |
15854ef9 JB |
447 | ? " (EXP)" : ""); |
448 | else | |
449 | buildstr[0] = '\0'; | |
450 | ||
965974a6 JB |
451 | snprintf(drv->fw.fw_version, |
452 | sizeof(drv->fw.fw_version), | |
15854ef9 | 453 | "%u.%u.%u.%u%s", |
965974a6 JB |
454 | IWL_UCODE_MAJOR(drv->fw.ucode_ver), |
455 | IWL_UCODE_MINOR(drv->fw.ucode_ver), | |
456 | IWL_UCODE_API(drv->fw.ucode_ver), | |
457 | IWL_UCODE_SERIAL(drv->fw.ucode_ver), | |
15854ef9 JB |
458 | buildstr); |
459 | ||
460 | data = ucode->data; | |
461 | ||
462 | len -= sizeof(*ucode); | |
463 | ||
464 | while (len >= sizeof(*tlv)) { | |
15854ef9 JB |
465 | len -= sizeof(*tlv); |
466 | tlv = (void *)data; | |
467 | ||
468 | tlv_len = le32_to_cpu(tlv->length); | |
0479c19d | 469 | tlv_type = le32_to_cpu(tlv->type); |
15854ef9 JB |
470 | tlv_data = tlv->data; |
471 | ||
472 | if (len < tlv_len) { | |
965974a6 | 473 | IWL_ERR(drv, "invalid TLV len: %zd/%u\n", |
15854ef9 JB |
474 | len, tlv_len); |
475 | return -EINVAL; | |
476 | } | |
477 | len -= ALIGN(tlv_len, 4); | |
478 | data += sizeof(*tlv) + ALIGN(tlv_len, 4); | |
479 | ||
15854ef9 JB |
480 | switch (tlv_type) { |
481 | case IWL_UCODE_TLV_INST: | |
0cedacc5 DS |
482 | set_sec_data(pieces, IWL_UCODE_REGULAR, |
483 | IWL_UCODE_SECTION_INST, tlv_data); | |
484 | set_sec_size(pieces, IWL_UCODE_REGULAR, | |
485 | IWL_UCODE_SECTION_INST, tlv_len); | |
486 | set_sec_offset(pieces, IWL_UCODE_REGULAR, | |
487 | IWL_UCODE_SECTION_INST, | |
488 | IWLAGN_RTC_INST_LOWER_BOUND); | |
15854ef9 JB |
489 | break; |
490 | case IWL_UCODE_TLV_DATA: | |
0cedacc5 DS |
491 | set_sec_data(pieces, IWL_UCODE_REGULAR, |
492 | IWL_UCODE_SECTION_DATA, tlv_data); | |
493 | set_sec_size(pieces, IWL_UCODE_REGULAR, | |
494 | IWL_UCODE_SECTION_DATA, tlv_len); | |
495 | set_sec_offset(pieces, IWL_UCODE_REGULAR, | |
496 | IWL_UCODE_SECTION_DATA, | |
497 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
498 | break; |
499 | case IWL_UCODE_TLV_INIT: | |
0cedacc5 DS |
500 | set_sec_data(pieces, IWL_UCODE_INIT, |
501 | IWL_UCODE_SECTION_INST, tlv_data); | |
502 | set_sec_size(pieces, IWL_UCODE_INIT, | |
503 | IWL_UCODE_SECTION_INST, tlv_len); | |
504 | set_sec_offset(pieces, IWL_UCODE_INIT, | |
505 | IWL_UCODE_SECTION_INST, | |
506 | IWLAGN_RTC_INST_LOWER_BOUND); | |
15854ef9 JB |
507 | break; |
508 | case IWL_UCODE_TLV_INIT_DATA: | |
0cedacc5 DS |
509 | set_sec_data(pieces, IWL_UCODE_INIT, |
510 | IWL_UCODE_SECTION_DATA, tlv_data); | |
511 | set_sec_size(pieces, IWL_UCODE_INIT, | |
512 | IWL_UCODE_SECTION_DATA, tlv_len); | |
513 | set_sec_offset(pieces, IWL_UCODE_INIT, | |
514 | IWL_UCODE_SECTION_DATA, | |
515 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
516 | break; |
517 | case IWL_UCODE_TLV_BOOT: | |
965974a6 | 518 | IWL_ERR(drv, "Found unexpected BOOT ucode\n"); |
15854ef9 JB |
519 | break; |
520 | case IWL_UCODE_TLV_PROBE_MAX_LEN: | |
521 | if (tlv_len != sizeof(u32)) | |
522 | goto invalid_tlv_len; | |
523 | capa->max_probe_length = | |
524 | le32_to_cpup((__le32 *)tlv_data); | |
525 | break; | |
526 | case IWL_UCODE_TLV_PAN: | |
527 | if (tlv_len) | |
528 | goto invalid_tlv_len; | |
529 | capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; | |
530 | break; | |
531 | case IWL_UCODE_TLV_FLAGS: | |
532 | /* must be at least one u32 */ | |
533 | if (tlv_len < sizeof(u32)) | |
534 | goto invalid_tlv_len; | |
535 | /* and a proper number of u32s */ | |
536 | if (tlv_len % sizeof(u32)) | |
537 | goto invalid_tlv_len; | |
538 | /* | |
539 | * This driver only reads the first u32 as | |
540 | * right now no more features are defined, | |
541 | * if that changes then either the driver | |
542 | * will not work with the new firmware, or | |
543 | * it'll not take advantage of new features. | |
544 | */ | |
545 | capa->flags = le32_to_cpup((__le32 *)tlv_data); | |
546 | break; | |
547 | case IWL_UCODE_TLV_INIT_EVTLOG_PTR: | |
548 | if (tlv_len != sizeof(u32)) | |
549 | goto invalid_tlv_len; | |
550 | pieces->init_evtlog_ptr = | |
551 | le32_to_cpup((__le32 *)tlv_data); | |
552 | break; | |
553 | case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: | |
554 | if (tlv_len != sizeof(u32)) | |
555 | goto invalid_tlv_len; | |
556 | pieces->init_evtlog_size = | |
557 | le32_to_cpup((__le32 *)tlv_data); | |
558 | break; | |
559 | case IWL_UCODE_TLV_INIT_ERRLOG_PTR: | |
560 | if (tlv_len != sizeof(u32)) | |
561 | goto invalid_tlv_len; | |
562 | pieces->init_errlog_ptr = | |
563 | le32_to_cpup((__le32 *)tlv_data); | |
564 | break; | |
565 | case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: | |
566 | if (tlv_len != sizeof(u32)) | |
567 | goto invalid_tlv_len; | |
568 | pieces->inst_evtlog_ptr = | |
569 | le32_to_cpup((__le32 *)tlv_data); | |
570 | break; | |
571 | case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: | |
572 | if (tlv_len != sizeof(u32)) | |
573 | goto invalid_tlv_len; | |
574 | pieces->inst_evtlog_size = | |
575 | le32_to_cpup((__le32 *)tlv_data); | |
576 | break; | |
577 | case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: | |
578 | if (tlv_len != sizeof(u32)) | |
579 | goto invalid_tlv_len; | |
580 | pieces->inst_errlog_ptr = | |
581 | le32_to_cpup((__le32 *)tlv_data); | |
582 | break; | |
583 | case IWL_UCODE_TLV_ENHANCE_SENS_TBL: | |
584 | if (tlv_len) | |
585 | goto invalid_tlv_len; | |
965974a6 | 586 | drv->fw.enhance_sensitivity_table = true; |
15854ef9 JB |
587 | break; |
588 | case IWL_UCODE_TLV_WOWLAN_INST: | |
0cedacc5 DS |
589 | set_sec_data(pieces, IWL_UCODE_WOWLAN, |
590 | IWL_UCODE_SECTION_INST, tlv_data); | |
591 | set_sec_size(pieces, IWL_UCODE_WOWLAN, | |
592 | IWL_UCODE_SECTION_INST, tlv_len); | |
593 | set_sec_offset(pieces, IWL_UCODE_WOWLAN, | |
594 | IWL_UCODE_SECTION_INST, | |
595 | IWLAGN_RTC_INST_LOWER_BOUND); | |
15854ef9 JB |
596 | break; |
597 | case IWL_UCODE_TLV_WOWLAN_DATA: | |
0cedacc5 DS |
598 | set_sec_data(pieces, IWL_UCODE_WOWLAN, |
599 | IWL_UCODE_SECTION_DATA, tlv_data); | |
600 | set_sec_size(pieces, IWL_UCODE_WOWLAN, | |
601 | IWL_UCODE_SECTION_DATA, tlv_len); | |
602 | set_sec_offset(pieces, IWL_UCODE_WOWLAN, | |
603 | IWL_UCODE_SECTION_DATA, | |
604 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
605 | break; |
606 | case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: | |
607 | if (tlv_len != sizeof(u32)) | |
608 | goto invalid_tlv_len; | |
609 | capa->standard_phy_calibration_size = | |
610 | le32_to_cpup((__le32 *)tlv_data); | |
611 | break; | |
ed8c8365 DS |
612 | case IWL_UCODE_TLV_SEC_RT: |
613 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, | |
614 | tlv_len); | |
4db2c9ae | 615 | drv->fw.mvm_fw = true; |
ed8c8365 DS |
616 | break; |
617 | case IWL_UCODE_TLV_SEC_INIT: | |
618 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, | |
619 | tlv_len); | |
4db2c9ae | 620 | drv->fw.mvm_fw = true; |
ed8c8365 DS |
621 | break; |
622 | case IWL_UCODE_TLV_SEC_WOWLAN: | |
623 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, | |
624 | tlv_len); | |
4db2c9ae | 625 | drv->fw.mvm_fw = true; |
ed8c8365 DS |
626 | break; |
627 | case IWL_UCODE_TLV_DEF_CALIB: | |
628 | if (tlv_len != sizeof(struct iwl_tlv_calib_data)) | |
629 | goto invalid_tlv_len; | |
630 | if (iwl_set_default_calib(drv, tlv_data)) | |
631 | goto tlv_error; | |
632 | break; | |
633 | case IWL_UCODE_TLV_PHY_SKU: | |
634 | if (tlv_len != sizeof(u32)) | |
635 | goto invalid_tlv_len; | |
636 | drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); | |
637 | break; | |
15854ef9 | 638 | default: |
965974a6 | 639 | IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); |
15854ef9 JB |
640 | break; |
641 | } | |
642 | } | |
643 | ||
644 | if (len) { | |
965974a6 JB |
645 | IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); |
646 | iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); | |
15854ef9 JB |
647 | return -EINVAL; |
648 | } | |
649 | ||
650 | return 0; | |
651 | ||
652 | invalid_tlv_len: | |
965974a6 | 653 | IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); |
ed8c8365 | 654 | tlv_error: |
965974a6 | 655 | iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); |
15854ef9 JB |
656 | |
657 | return -EINVAL; | |
658 | } | |
659 | ||
75813bde JB |
660 | static int iwl_alloc_ucode(struct iwl_drv *drv, |
661 | struct iwl_firmware_pieces *pieces, | |
662 | enum iwl_ucode_type type) | |
6dfa8d01 DS |
663 | { |
664 | int i; | |
665 | for (i = 0; | |
666 | i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i); | |
667 | i++) | |
668 | if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]), | |
75813bde JB |
669 | get_sec(pieces, type, i))) |
670 | return -ENOMEM; | |
6dfa8d01 DS |
671 | return 0; |
672 | } | |
673 | ||
674 | static int validate_sec_sizes(struct iwl_drv *drv, | |
675 | struct iwl_firmware_pieces *pieces, | |
676 | const struct iwl_cfg *cfg) | |
677 | { | |
678 | IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n", | |
679 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
680 | IWL_UCODE_SECTION_INST)); | |
681 | IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n", | |
682 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
683 | IWL_UCODE_SECTION_DATA)); | |
684 | IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n", | |
685 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); | |
686 | IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n", | |
687 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); | |
688 | ||
689 | /* Verify that uCode images will fit in card's SRAM. */ | |
690 | if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > | |
691 | cfg->max_inst_size) { | |
692 | IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n", | |
693 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
694 | IWL_UCODE_SECTION_INST)); | |
695 | return -1; | |
696 | } | |
697 | ||
698 | if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > | |
699 | cfg->max_data_size) { | |
700 | IWL_ERR(drv, "uCode data len %Zd too large to fit in\n", | |
701 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
702 | IWL_UCODE_SECTION_DATA)); | |
703 | return -1; | |
704 | } | |
705 | ||
706 | if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > | |
707 | cfg->max_inst_size) { | |
708 | IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n", | |
709 | get_sec_size(pieces, IWL_UCODE_INIT, | |
710 | IWL_UCODE_SECTION_INST)); | |
711 | return -1; | |
712 | } | |
713 | ||
714 | if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > | |
715 | cfg->max_data_size) { | |
716 | IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n", | |
717 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
718 | IWL_UCODE_SECTION_DATA)); | |
719 | return -1; | |
720 | } | |
721 | return 0; | |
722 | } | |
723 | ||
724 | ||
15854ef9 JB |
725 | /** |
726 | * iwl_ucode_callback - callback when firmware was loaded | |
727 | * | |
728 | * If loaded successfully, copies the firmware into buffers | |
729 | * for the card to fetch (via DMA). | |
730 | */ | |
731 | static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) | |
732 | { | |
965974a6 | 733 | struct iwl_drv *drv = context; |
965974a6 | 734 | struct iwl_fw *fw = &drv->fw; |
15854ef9 JB |
735 | struct iwl_ucode_header *ucode; |
736 | int err; | |
0cedacc5 | 737 | struct iwl_firmware_pieces pieces; |
68f360dc EG |
738 | const unsigned int api_max = drv->cfg->ucode_api_max; |
739 | unsigned int api_ok = drv->cfg->ucode_api_ok; | |
740 | const unsigned int api_min = drv->cfg->ucode_api_min; | |
15854ef9 | 741 | u32 api_ver; |
6dfa8d01 | 742 | int i; |
15854ef9 JB |
743 | |
744 | fw->ucode_capa.max_probe_length = 200; | |
745 | fw->ucode_capa.standard_phy_calibration_size = | |
746 | IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; | |
747 | ||
748 | if (!api_ok) | |
749 | api_ok = api_max; | |
750 | ||
751 | memset(&pieces, 0, sizeof(pieces)); | |
752 | ||
753 | if (!ucode_raw) { | |
965974a6 JB |
754 | if (drv->fw_index <= api_ok) |
755 | IWL_ERR(drv, | |
15854ef9 | 756 | "request for firmware file '%s' failed.\n", |
965974a6 | 757 | drv->firmware_name); |
15854ef9 JB |
758 | goto try_again; |
759 | } | |
760 | ||
965974a6 JB |
761 | IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", |
762 | drv->firmware_name, ucode_raw->size); | |
15854ef9 JB |
763 | |
764 | /* Make sure that we got at least the API version number */ | |
765 | if (ucode_raw->size < 4) { | |
965974a6 | 766 | IWL_ERR(drv, "File size way too small!\n"); |
15854ef9 JB |
767 | goto try_again; |
768 | } | |
769 | ||
770 | /* Data from ucode file: header followed by uCode images */ | |
771 | ucode = (struct iwl_ucode_header *)ucode_raw->data; | |
772 | ||
773 | if (ucode->ver) | |
965974a6 | 774 | err = iwl_parse_v1_v2_firmware(drv, ucode_raw, &pieces); |
15854ef9 | 775 | else |
965974a6 | 776 | err = iwl_parse_tlv_firmware(drv, ucode_raw, &pieces, |
15854ef9 JB |
777 | &fw->ucode_capa); |
778 | ||
779 | if (err) | |
780 | goto try_again; | |
781 | ||
965974a6 | 782 | api_ver = IWL_UCODE_API(drv->fw.ucode_ver); |
15854ef9 JB |
783 | |
784 | /* | |
785 | * api_ver should match the api version forming part of the | |
786 | * firmware filename ... but we don't check for that and only rely | |
787 | * on the API version read from firmware header from here on forward | |
788 | */ | |
789 | /* no api version check required for experimental uCode */ | |
965974a6 | 790 | if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) { |
15854ef9 | 791 | if (api_ver < api_min || api_ver > api_max) { |
965974a6 | 792 | IWL_ERR(drv, |
15854ef9 JB |
793 | "Driver unable to support your firmware API. " |
794 | "Driver supports v%u, firmware is v%u.\n", | |
795 | api_max, api_ver); | |
796 | goto try_again; | |
797 | } | |
798 | ||
799 | if (api_ver < api_ok) { | |
800 | if (api_ok != api_max) | |
965974a6 | 801 | IWL_ERR(drv, "Firmware has old API version, " |
15854ef9 JB |
802 | "expected v%u through v%u, got v%u.\n", |
803 | api_ok, api_max, api_ver); | |
804 | else | |
965974a6 | 805 | IWL_ERR(drv, "Firmware has old API version, " |
15854ef9 JB |
806 | "expected v%u, got v%u.\n", |
807 | api_max, api_ver); | |
965974a6 | 808 | IWL_ERR(drv, "New firmware can be obtained from " |
15854ef9 JB |
809 | "http://www.intellinuxwireless.org/.\n"); |
810 | } | |
811 | } | |
812 | ||
965974a6 | 813 | IWL_INFO(drv, "loaded firmware version %s", drv->fw.fw_version); |
15854ef9 | 814 | |
4db2c9ae DS |
815 | /* |
816 | * In mvm uCode there is no difference between data and instructions | |
817 | * sections. | |
818 | */ | |
68f360dc | 819 | if (!fw->mvm_fw && validate_sec_sizes(drv, &pieces, drv->cfg)) |
15854ef9 | 820 | goto try_again; |
15854ef9 JB |
821 | |
822 | /* Allocate ucode buffers for card's bus-master loading ... */ | |
823 | ||
824 | /* Runtime instructions and 2 copies of data: | |
825 | * 1) unmodified from disk | |
826 | * 2) backup cache for save/restore during power-downs */ | |
6dfa8d01 | 827 | for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) |
75813bde JB |
828 | if (iwl_alloc_ucode(drv, &pieces, i)) |
829 | goto out_free_fw; | |
15854ef9 JB |
830 | |
831 | /* Now that we can no longer fail, copy information */ | |
832 | ||
833 | /* | |
834 | * The (size - 16) / 12 formula is based on the information recorded | |
835 | * for each event, which is of mode 1 (including timestamp) for all | |
836 | * new microcodes that include this information. | |
837 | */ | |
0692fe41 | 838 | fw->init_evtlog_ptr = pieces.init_evtlog_ptr; |
15854ef9 | 839 | if (pieces.init_evtlog_size) |
0692fe41 | 840 | fw->init_evtlog_size = (pieces.init_evtlog_size - 16)/12; |
15854ef9 | 841 | else |
0692fe41 | 842 | fw->init_evtlog_size = |
68f360dc | 843 | drv->cfg->base_params->max_event_log_size; |
0692fe41 JB |
844 | fw->init_errlog_ptr = pieces.init_errlog_ptr; |
845 | fw->inst_evtlog_ptr = pieces.inst_evtlog_ptr; | |
15854ef9 | 846 | if (pieces.inst_evtlog_size) |
0692fe41 | 847 | fw->inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12; |
15854ef9 | 848 | else |
0692fe41 | 849 | fw->inst_evtlog_size = |
68f360dc | 850 | drv->cfg->base_params->max_event_log_size; |
0692fe41 | 851 | fw->inst_errlog_ptr = pieces.inst_errlog_ptr; |
15854ef9 JB |
852 | |
853 | /* | |
854 | * figure out the offset of chain noise reset and gain commands | |
855 | * base on the size of standard phy calibration commands table size | |
856 | */ | |
857 | if (fw->ucode_capa.standard_phy_calibration_size > | |
858 | IWL_MAX_PHY_CALIBRATE_TBL_SIZE) | |
859 | fw->ucode_capa.standard_phy_calibration_size = | |
860 | IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; | |
861 | ||
862 | /* We have our copies now, allow OS release its copies */ | |
863 | release_firmware(ucode_raw); | |
15854ef9 | 864 | |
68f360dc | 865 | drv->op_mode = iwl_dvm_ops.start(drv->trans, drv->cfg, &drv->fw); |
15854ef9 | 866 | |
965974a6 | 867 | if (!drv->op_mode) |
f69a23b7 | 868 | goto out_unbind; |
15854ef9 | 869 | |
f69a23b7 JB |
870 | /* |
871 | * Complete the firmware request last so that | |
872 | * a driver unbind (stop) doesn't run while we | |
873 | * are doing the start() above. | |
874 | */ | |
875 | complete(&drv->request_firmware_complete); | |
15854ef9 JB |
876 | return; |
877 | ||
878 | try_again: | |
879 | /* try next, if any */ | |
880 | release_firmware(ucode_raw); | |
965974a6 | 881 | if (iwl_request_firmware(drv, false)) |
15854ef9 JB |
882 | goto out_unbind; |
883 | return; | |
884 | ||
75813bde | 885 | out_free_fw: |
965974a6 JB |
886 | IWL_ERR(drv, "failed to allocate pci memory\n"); |
887 | iwl_dealloc_ucode(drv); | |
15854ef9 JB |
888 | release_firmware(ucode_raw); |
889 | out_unbind: | |
965974a6 | 890 | complete(&drv->request_firmware_complete); |
93faaeea | 891 | device_release_driver(drv->trans->dev); |
15854ef9 JB |
892 | } |
893 | ||
87ce05a2 | 894 | struct iwl_drv *iwl_drv_start(struct iwl_trans *trans, |
9130bab1 | 895 | const struct iwl_cfg *cfg) |
5c58edc6 | 896 | { |
965974a6 | 897 | struct iwl_drv *drv; |
5c58edc6 EG |
898 | int ret; |
899 | ||
965974a6 | 900 | drv = kzalloc(sizeof(*drv), GFP_KERNEL); |
c15797e6 | 901 | if (!drv) |
9130bab1 | 902 | return NULL; |
c15797e6 | 903 | |
9130bab1 | 904 | drv->trans = trans; |
4b9844f5 | 905 | drv->dev = trans->dev; |
68f360dc | 906 | drv->cfg = cfg; |
5c58edc6 | 907 | |
965974a6 | 908 | init_completion(&drv->request_firmware_complete); |
5c58edc6 | 909 | |
965974a6 | 910 | ret = iwl_request_firmware(drv, true); |
5c58edc6 EG |
911 | |
912 | if (ret) { | |
c15797e6 | 913 | IWL_ERR(trans, "Couldn't request the fw\n"); |
965974a6 | 914 | kfree(drv); |
9130bab1 | 915 | drv = NULL; |
5c58edc6 EG |
916 | } |
917 | ||
9130bab1 | 918 | return drv; |
5c58edc6 EG |
919 | } |
920 | ||
9130bab1 | 921 | void iwl_drv_stop(struct iwl_drv *drv) |
07590f08 | 922 | { |
965974a6 | 923 | wait_for_completion(&drv->request_firmware_complete); |
2e7eb117 | 924 | |
d0f76d68 | 925 | /* op_mode can be NULL if its start failed */ |
965974a6 JB |
926 | if (drv->op_mode) |
927 | iwl_op_mode_stop(drv->op_mode); | |
07590f08 | 928 | |
965974a6 | 929 | iwl_dealloc_ucode(drv); |
7db5b989 | 930 | |
965974a6 | 931 | kfree(drv); |
07590f08 | 932 | } |
65de7e84 JB |
933 | |
934 | ||
935 | /* shared module parameters */ | |
936 | struct iwl_mod_params iwlwifi_mod_params = { | |
937 | .amsdu_size_8K = 1, | |
938 | .restart_fw = 1, | |
939 | .plcp_check = true, | |
940 | .bt_coex_active = true, | |
941 | .power_level = IWL_POWER_INDEX_1, | |
942 | .bt_ch_announce = true, | |
943 | .auto_agg = true, | |
944 | /* the rest are 0 by default */ | |
945 | }; | |
946 | ||
947 | #ifdef CONFIG_IWLWIFI_DEBUG | |
948 | module_param_named(debug, iwlwifi_mod_params.debug_level, uint, | |
949 | S_IRUGO | S_IWUSR); | |
950 | MODULE_PARM_DESC(debug, "debug output mask"); | |
951 | #endif | |
952 | ||
953 | module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO); | |
954 | MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); | |
955 | module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO); | |
956 | MODULE_PARM_DESC(11n_disable, | |
957 | "disable 11n functionality, bitmap: 1: full, 2: agg TX, 4: agg RX"); | |
958 | module_param_named(amsdu_size_8K, iwlwifi_mod_params.amsdu_size_8K, | |
959 | int, S_IRUGO); | |
960 | MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size"); | |
961 | module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, int, S_IRUGO); | |
962 | MODULE_PARM_DESC(fw_restart, "restart firmware in case of error"); | |
963 | ||
964 | module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling, | |
965 | int, S_IRUGO); | |
966 | MODULE_PARM_DESC(antenna_coupling, | |
967 | "specify antenna coupling in dB (defualt: 0 dB)"); | |
968 | ||
969 | module_param_named(bt_ch_inhibition, iwlwifi_mod_params.bt_ch_announce, | |
970 | bool, S_IRUGO); | |
971 | MODULE_PARM_DESC(bt_ch_inhibition, | |
972 | "Enable BT channel inhibition (default: enable)"); | |
973 | ||
974 | module_param_named(plcp_check, iwlwifi_mod_params.plcp_check, bool, S_IRUGO); | |
975 | MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])"); | |
976 | ||
977 | module_param_named(wd_disable, iwlwifi_mod_params.wd_disable, int, S_IRUGO); | |
978 | MODULE_PARM_DESC(wd_disable, | |
979 | "Disable stuck queue watchdog timer 0=system default, " | |
980 | "1=disable, 2=enable (default: 0)"); | |
981 | ||
982 | /* | |
983 | * set bt_coex_active to true, uCode will do kill/defer | |
984 | * every time the priority line is asserted (BT is sending signals on the | |
985 | * priority line in the PCIx). | |
986 | * set bt_coex_active to false, uCode will ignore the BT activity and | |
987 | * perform the normal operation | |
988 | * | |
989 | * User might experience transmit issue on some platform due to WiFi/BT | |
990 | * co-exist problem. The possible behaviors are: | |
991 | * Able to scan and finding all the available AP | |
992 | * Not able to associate with any AP | |
993 | * On those platforms, WiFi communication can be restored by set | |
994 | * "bt_coex_active" module parameter to "false" | |
995 | * | |
996 | * default: bt_coex_active = true (BT_COEX_ENABLE) | |
997 | */ | |
998 | module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, | |
999 | bool, S_IRUGO); | |
1000 | MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); | |
1001 | ||
1002 | module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO); | |
1003 | MODULE_PARM_DESC(led_mode, "0=system default, " | |
1004 | "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); | |
1005 | ||
1006 | module_param_named(power_save, iwlwifi_mod_params.power_save, | |
1007 | bool, S_IRUGO); | |
1008 | MODULE_PARM_DESC(power_save, | |
1009 | "enable WiFi power management (default: disable)"); | |
1010 | ||
1011 | module_param_named(power_level, iwlwifi_mod_params.power_level, | |
1012 | int, S_IRUGO); | |
1013 | MODULE_PARM_DESC(power_level, | |
1014 | "default power save level (range from 1 - 5, default: 1)"); | |
1015 | ||
1016 | module_param_named(auto_agg, iwlwifi_mod_params.auto_agg, | |
1017 | bool, S_IRUGO); | |
1018 | MODULE_PARM_DESC(auto_agg, | |
1019 | "enable agg w/o check traffic load (default: enable)"); | |
f6b11546 SG |
1020 | |
1021 | module_param_named(5ghz_disable, iwlwifi_mod_params.disable_5ghz, | |
1022 | bool, S_IRUGO); | |
1023 | MODULE_PARM_DESC(5ghz_disable, "disable 5GHz band (default: 0 [enabled])"); |