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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" | |
69 | #include "iwl-trans.h" | |
15854ef9 | 70 | #include "iwl-shared.h" |
d0f76d68 | 71 | #include "iwl-op-mode.h" |
0cedacc5 | 72 | #include "iwl-agn-hw.h" |
5c58edc6 | 73 | |
0692fe41 | 74 | /* private includes */ |
3995deaf | 75 | #include "iwl-fw-file.h" |
0692fe41 | 76 | |
965974a6 JB |
77 | /** |
78 | * struct iwl_drv - drv common data | |
79 | * @fw: the iwl_fw structure | |
80 | * @shrd: pointer to common shared structure | |
81 | * @op_mode: the running op_mode | |
82 | * @fw_index: firmware revision to try loading | |
83 | * @firmware_name: composite filename of ucode file to load | |
84 | * @request_firmware_complete: the firmware has been obtained from user space | |
85 | */ | |
86 | struct iwl_drv { | |
87 | struct iwl_fw fw; | |
88 | ||
89 | struct iwl_shared *shrd; | |
90 | struct iwl_op_mode *op_mode; | |
91 | ||
92 | int fw_index; /* firmware we're trying to load */ | |
93 | char firmware_name[25]; /* name of firmware file to load */ | |
94 | ||
95 | struct completion request_firmware_complete; | |
96 | }; | |
97 | ||
98 | ||
99 | ||
0cedacc5 DS |
100 | /* |
101 | * struct fw_sec: Just for the image parsing proccess. | |
102 | * For the fw storage we are using struct fw_desc. | |
103 | */ | |
104 | struct fw_sec { | |
105 | const void *data; /* the sec data */ | |
106 | size_t size; /* section size */ | |
107 | u32 offset; /* offset of writing in the device */ | |
108 | }; | |
109 | ||
965974a6 | 110 | static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) |
15854ef9 JB |
111 | { |
112 | if (desc->v_addr) | |
965974a6 | 113 | dma_free_coherent(trans(drv)->dev, desc->len, |
15854ef9 JB |
114 | desc->v_addr, desc->p_addr); |
115 | desc->v_addr = NULL; | |
116 | desc->len = 0; | |
117 | } | |
118 | ||
965974a6 | 119 | static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) |
15854ef9 | 120 | { |
6dfa8d01 DS |
121 | int i; |
122 | for (i = 0; i < IWL_UCODE_SECTION_MAX; i++) | |
123 | iwl_free_fw_desc(drv, &img->sec[i]); | |
15854ef9 JB |
124 | } |
125 | ||
965974a6 | 126 | static void iwl_dealloc_ucode(struct iwl_drv *drv) |
15854ef9 | 127 | { |
6dfa8d01 DS |
128 | int i; |
129 | for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) | |
130 | iwl_free_fw_img(drv, drv->fw.img + i); | |
15854ef9 JB |
131 | } |
132 | ||
965974a6 | 133 | static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, |
0cedacc5 | 134 | struct fw_sec *sec) |
15854ef9 | 135 | { |
0cedacc5 | 136 | if (!sec || !sec->size) { |
15854ef9 JB |
137 | desc->v_addr = NULL; |
138 | return -EINVAL; | |
139 | } | |
140 | ||
0cedacc5 | 141 | desc->v_addr = dma_alloc_coherent(trans(drv)->dev, sec->size, |
15854ef9 JB |
142 | &desc->p_addr, GFP_KERNEL); |
143 | if (!desc->v_addr) | |
144 | return -ENOMEM; | |
145 | ||
0cedacc5 DS |
146 | desc->len = sec->size; |
147 | desc->offset = sec->offset; | |
148 | memcpy(desc->v_addr, sec->data, sec->size); | |
15854ef9 JB |
149 | return 0; |
150 | } | |
151 | ||
152 | static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context); | |
153 | ||
154 | #define UCODE_EXPERIMENTAL_INDEX 100 | |
155 | #define UCODE_EXPERIMENTAL_TAG "exp" | |
156 | ||
965974a6 | 157 | static int iwl_request_firmware(struct iwl_drv *drv, bool first) |
15854ef9 | 158 | { |
965974a6 | 159 | const struct iwl_cfg *cfg = cfg(drv); |
15854ef9 JB |
160 | const char *name_pre = cfg->fw_name_pre; |
161 | char tag[8]; | |
162 | ||
163 | if (first) { | |
164 | #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE | |
965974a6 | 165 | drv->fw_index = UCODE_EXPERIMENTAL_INDEX; |
15854ef9 | 166 | strcpy(tag, UCODE_EXPERIMENTAL_TAG); |
965974a6 | 167 | } else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) { |
15854ef9 | 168 | #endif |
965974a6 JB |
169 | drv->fw_index = cfg->ucode_api_max; |
170 | sprintf(tag, "%d", drv->fw_index); | |
15854ef9 | 171 | } else { |
965974a6 JB |
172 | drv->fw_index--; |
173 | sprintf(tag, "%d", drv->fw_index); | |
15854ef9 JB |
174 | } |
175 | ||
965974a6 JB |
176 | if (drv->fw_index < cfg->ucode_api_min) { |
177 | IWL_ERR(drv, "no suitable firmware found!\n"); | |
15854ef9 JB |
178 | return -ENOENT; |
179 | } | |
180 | ||
965974a6 | 181 | sprintf(drv->firmware_name, "%s%s%s", name_pre, tag, ".ucode"); |
15854ef9 | 182 | |
965974a6 JB |
183 | IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n", |
184 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) | |
15854ef9 | 185 | ? "EXPERIMENTAL " : "", |
965974a6 | 186 | drv->firmware_name); |
15854ef9 | 187 | |
965974a6 JB |
188 | return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, |
189 | trans(drv)->dev, | |
190 | GFP_KERNEL, drv, iwl_ucode_callback); | |
15854ef9 JB |
191 | } |
192 | ||
0cedacc5 | 193 | struct fw_img_parsing { |
6dfa8d01 | 194 | struct fw_sec sec[IWL_UCODE_SECTION_MAX]; |
0cedacc5 DS |
195 | int sec_counter; |
196 | }; | |
197 | ||
ed8c8365 DS |
198 | /* |
199 | * struct fw_sec_parsing: to extract fw section and it's offset from tlv | |
200 | */ | |
201 | struct fw_sec_parsing { | |
202 | __le32 offset; | |
203 | const u8 data[]; | |
204 | } __packed; | |
205 | ||
206 | /** | |
207 | * struct iwl_tlv_calib_data - parse the default calib data from TLV | |
208 | * | |
209 | * @ucode_type: the uCode to which the following default calib relates. | |
210 | * @calib: default calibrations. | |
211 | */ | |
212 | struct iwl_tlv_calib_data { | |
213 | __le32 ucode_type; | |
214 | __le64 calib; | |
215 | } __packed; | |
216 | ||
0cedacc5 DS |
217 | struct iwl_firmware_pieces { |
218 | struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; | |
15854ef9 JB |
219 | |
220 | u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; | |
221 | u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; | |
222 | }; | |
223 | ||
0cedacc5 DS |
224 | /* |
225 | * These functions are just to extract uCode section data from the pieces | |
226 | * structure. | |
227 | */ | |
228 | static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, | |
229 | enum iwl_ucode_type type, | |
230 | int sec) | |
231 | { | |
232 | return &pieces->img[type].sec[sec]; | |
233 | } | |
234 | ||
235 | static void set_sec_data(struct iwl_firmware_pieces *pieces, | |
236 | enum iwl_ucode_type type, | |
237 | int sec, | |
238 | const void *data) | |
239 | { | |
240 | pieces->img[type].sec[sec].data = data; | |
241 | } | |
242 | ||
243 | static void set_sec_size(struct iwl_firmware_pieces *pieces, | |
244 | enum iwl_ucode_type type, | |
245 | int sec, | |
246 | size_t size) | |
247 | { | |
248 | pieces->img[type].sec[sec].size = size; | |
249 | } | |
250 | ||
251 | static size_t get_sec_size(struct iwl_firmware_pieces *pieces, | |
252 | enum iwl_ucode_type type, | |
253 | int sec) | |
254 | { | |
255 | return pieces->img[type].sec[sec].size; | |
256 | } | |
257 | ||
258 | static void set_sec_offset(struct iwl_firmware_pieces *pieces, | |
259 | enum iwl_ucode_type type, | |
260 | int sec, | |
261 | u32 offset) | |
262 | { | |
263 | pieces->img[type].sec[sec].offset = offset; | |
264 | } | |
265 | ||
ed8c8365 DS |
266 | /* |
267 | * Gets uCode section from tlv. | |
268 | */ | |
269 | static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, | |
270 | const void *data, enum iwl_ucode_type type, | |
271 | int size) | |
272 | { | |
273 | struct fw_img_parsing *img; | |
274 | struct fw_sec *sec; | |
275 | struct fw_sec_parsing *sec_parse; | |
276 | ||
277 | if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) | |
278 | return -1; | |
279 | ||
280 | sec_parse = (struct fw_sec_parsing *)data; | |
281 | ||
282 | img = &pieces->img[type]; | |
283 | sec = &img->sec[img->sec_counter]; | |
284 | ||
285 | sec->offset = le32_to_cpu(sec_parse->offset); | |
286 | sec->data = sec_parse->data; | |
287 | ||
288 | ++img->sec_counter; | |
289 | ||
290 | return 0; | |
291 | } | |
292 | ||
293 | static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) | |
294 | { | |
295 | struct iwl_tlv_calib_data *def_calib = | |
296 | (struct iwl_tlv_calib_data *)data; | |
297 | u32 ucode_type = le32_to_cpu(def_calib->ucode_type); | |
298 | if (ucode_type >= IWL_UCODE_TYPE_MAX) { | |
299 | IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", | |
300 | ucode_type); | |
301 | return -EINVAL; | |
302 | } | |
303 | drv->fw.default_calib[ucode_type] = le64_to_cpu(def_calib->calib); | |
304 | return 0; | |
305 | } | |
306 | ||
965974a6 | 307 | static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, |
0cedacc5 DS |
308 | const struct firmware *ucode_raw, |
309 | struct iwl_firmware_pieces *pieces) | |
15854ef9 JB |
310 | { |
311 | struct iwl_ucode_header *ucode = (void *)ucode_raw->data; | |
312 | u32 api_ver, hdr_size, build; | |
313 | char buildstr[25]; | |
314 | const u8 *src; | |
315 | ||
965974a6 JB |
316 | drv->fw.ucode_ver = le32_to_cpu(ucode->ver); |
317 | api_ver = IWL_UCODE_API(drv->fw.ucode_ver); | |
15854ef9 JB |
318 | |
319 | switch (api_ver) { | |
320 | default: | |
321 | hdr_size = 28; | |
322 | if (ucode_raw->size < hdr_size) { | |
965974a6 | 323 | IWL_ERR(drv, "File size too small!\n"); |
15854ef9 JB |
324 | return -EINVAL; |
325 | } | |
326 | build = le32_to_cpu(ucode->u.v2.build); | |
0cedacc5 DS |
327 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, |
328 | le32_to_cpu(ucode->u.v2.inst_size)); | |
329 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
330 | le32_to_cpu(ucode->u.v2.data_size)); | |
331 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
332 | le32_to_cpu(ucode->u.v2.init_size)); | |
333 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
334 | le32_to_cpu(ucode->u.v2.init_data_size)); | |
15854ef9 JB |
335 | src = ucode->u.v2.data; |
336 | break; | |
337 | case 0: | |
338 | case 1: | |
339 | case 2: | |
340 | hdr_size = 24; | |
341 | if (ucode_raw->size < hdr_size) { | |
965974a6 | 342 | IWL_ERR(drv, "File size too small!\n"); |
15854ef9 JB |
343 | return -EINVAL; |
344 | } | |
345 | build = 0; | |
0cedacc5 DS |
346 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, |
347 | le32_to_cpu(ucode->u.v1.inst_size)); | |
348 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
349 | le32_to_cpu(ucode->u.v1.data_size)); | |
350 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
351 | le32_to_cpu(ucode->u.v1.init_size)); | |
352 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
353 | le32_to_cpu(ucode->u.v1.init_data_size)); | |
15854ef9 JB |
354 | src = ucode->u.v1.data; |
355 | break; | |
356 | } | |
357 | ||
358 | if (build) | |
359 | sprintf(buildstr, " build %u%s", build, | |
965974a6 | 360 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) |
15854ef9 JB |
361 | ? " (EXP)" : ""); |
362 | else | |
363 | buildstr[0] = '\0'; | |
364 | ||
965974a6 JB |
365 | snprintf(drv->fw.fw_version, |
366 | sizeof(drv->fw.fw_version), | |
15854ef9 | 367 | "%u.%u.%u.%u%s", |
965974a6 JB |
368 | IWL_UCODE_MAJOR(drv->fw.ucode_ver), |
369 | IWL_UCODE_MINOR(drv->fw.ucode_ver), | |
370 | IWL_UCODE_API(drv->fw.ucode_ver), | |
371 | IWL_UCODE_SERIAL(drv->fw.ucode_ver), | |
15854ef9 JB |
372 | buildstr); |
373 | ||
374 | /* Verify size of file vs. image size info in file's header */ | |
0cedacc5 DS |
375 | |
376 | if (ucode_raw->size != hdr_size + | |
377 | get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + | |
378 | get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + | |
379 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + | |
380 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { | |
15854ef9 | 381 | |
965974a6 | 382 | IWL_ERR(drv, |
15854ef9 JB |
383 | "uCode file size %d does not match expected size\n", |
384 | (int)ucode_raw->size); | |
385 | return -EINVAL; | |
386 | } | |
387 | ||
15854ef9 | 388 | |
0cedacc5 DS |
389 | set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); |
390 | src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); | |
391 | set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, | |
392 | IWLAGN_RTC_INST_LOWER_BOUND); | |
393 | set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); | |
394 | src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); | |
395 | set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
396 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
397 | set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); | |
398 | src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); | |
399 | set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
400 | IWLAGN_RTC_INST_LOWER_BOUND); | |
401 | set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); | |
402 | src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); | |
403 | set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
404 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
405 | return 0; |
406 | } | |
407 | ||
965974a6 | 408 | static int iwl_parse_tlv_firmware(struct iwl_drv *drv, |
15854ef9 | 409 | const struct firmware *ucode_raw, |
0cedacc5 | 410 | struct iwl_firmware_pieces *pieces, |
15854ef9 JB |
411 | struct iwl_ucode_capabilities *capa) |
412 | { | |
413 | struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; | |
414 | struct iwl_ucode_tlv *tlv; | |
415 | size_t len = ucode_raw->size; | |
416 | const u8 *data; | |
417 | int wanted_alternative = iwlagn_mod_params.wanted_ucode_alternative; | |
418 | int tmp; | |
419 | u64 alternatives; | |
420 | u32 tlv_len; | |
421 | enum iwl_ucode_tlv_type tlv_type; | |
422 | const u8 *tlv_data; | |
423 | char buildstr[25]; | |
424 | u32 build; | |
425 | ||
426 | if (len < sizeof(*ucode)) { | |
965974a6 | 427 | IWL_ERR(drv, "uCode has invalid length: %zd\n", len); |
15854ef9 JB |
428 | return -EINVAL; |
429 | } | |
430 | ||
431 | if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { | |
965974a6 | 432 | IWL_ERR(drv, "invalid uCode magic: 0X%x\n", |
15854ef9 JB |
433 | le32_to_cpu(ucode->magic)); |
434 | return -EINVAL; | |
435 | } | |
436 | ||
437 | /* | |
438 | * Check which alternatives are present, and "downgrade" | |
439 | * when the chosen alternative is not present, warning | |
440 | * the user when that happens. Some files may not have | |
441 | * any alternatives, so don't warn in that case. | |
442 | */ | |
443 | alternatives = le64_to_cpu(ucode->alternatives); | |
444 | tmp = wanted_alternative; | |
445 | if (wanted_alternative > 63) | |
446 | wanted_alternative = 63; | |
447 | while (wanted_alternative && !(alternatives & BIT(wanted_alternative))) | |
448 | wanted_alternative--; | |
449 | if (wanted_alternative && wanted_alternative != tmp) | |
965974a6 | 450 | IWL_WARN(drv, |
15854ef9 JB |
451 | "uCode alternative %d not available, choosing %d\n", |
452 | tmp, wanted_alternative); | |
453 | ||
965974a6 | 454 | drv->fw.ucode_ver = le32_to_cpu(ucode->ver); |
15854ef9 JB |
455 | build = le32_to_cpu(ucode->build); |
456 | ||
457 | if (build) | |
458 | sprintf(buildstr, " build %u%s", build, | |
965974a6 | 459 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) |
15854ef9 JB |
460 | ? " (EXP)" : ""); |
461 | else | |
462 | buildstr[0] = '\0'; | |
463 | ||
965974a6 JB |
464 | snprintf(drv->fw.fw_version, |
465 | sizeof(drv->fw.fw_version), | |
15854ef9 | 466 | "%u.%u.%u.%u%s", |
965974a6 JB |
467 | IWL_UCODE_MAJOR(drv->fw.ucode_ver), |
468 | IWL_UCODE_MINOR(drv->fw.ucode_ver), | |
469 | IWL_UCODE_API(drv->fw.ucode_ver), | |
470 | IWL_UCODE_SERIAL(drv->fw.ucode_ver), | |
15854ef9 JB |
471 | buildstr); |
472 | ||
473 | data = ucode->data; | |
474 | ||
475 | len -= sizeof(*ucode); | |
476 | ||
477 | while (len >= sizeof(*tlv)) { | |
478 | u16 tlv_alt; | |
479 | ||
480 | len -= sizeof(*tlv); | |
481 | tlv = (void *)data; | |
482 | ||
483 | tlv_len = le32_to_cpu(tlv->length); | |
484 | tlv_type = le16_to_cpu(tlv->type); | |
485 | tlv_alt = le16_to_cpu(tlv->alternative); | |
486 | tlv_data = tlv->data; | |
487 | ||
488 | if (len < tlv_len) { | |
965974a6 | 489 | IWL_ERR(drv, "invalid TLV len: %zd/%u\n", |
15854ef9 JB |
490 | len, tlv_len); |
491 | return -EINVAL; | |
492 | } | |
493 | len -= ALIGN(tlv_len, 4); | |
494 | data += sizeof(*tlv) + ALIGN(tlv_len, 4); | |
495 | ||
496 | /* | |
497 | * Alternative 0 is always valid. | |
498 | * | |
499 | * Skip alternative TLVs that are not selected. | |
500 | */ | |
501 | if (tlv_alt != 0 && tlv_alt != wanted_alternative) | |
502 | continue; | |
503 | ||
504 | switch (tlv_type) { | |
505 | case IWL_UCODE_TLV_INST: | |
0cedacc5 DS |
506 | set_sec_data(pieces, IWL_UCODE_REGULAR, |
507 | IWL_UCODE_SECTION_INST, tlv_data); | |
508 | set_sec_size(pieces, IWL_UCODE_REGULAR, | |
509 | IWL_UCODE_SECTION_INST, tlv_len); | |
510 | set_sec_offset(pieces, IWL_UCODE_REGULAR, | |
511 | IWL_UCODE_SECTION_INST, | |
512 | IWLAGN_RTC_INST_LOWER_BOUND); | |
15854ef9 JB |
513 | break; |
514 | case IWL_UCODE_TLV_DATA: | |
0cedacc5 DS |
515 | set_sec_data(pieces, IWL_UCODE_REGULAR, |
516 | IWL_UCODE_SECTION_DATA, tlv_data); | |
517 | set_sec_size(pieces, IWL_UCODE_REGULAR, | |
518 | IWL_UCODE_SECTION_DATA, tlv_len); | |
519 | set_sec_offset(pieces, IWL_UCODE_REGULAR, | |
520 | IWL_UCODE_SECTION_DATA, | |
521 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
522 | break; |
523 | case IWL_UCODE_TLV_INIT: | |
0cedacc5 DS |
524 | set_sec_data(pieces, IWL_UCODE_INIT, |
525 | IWL_UCODE_SECTION_INST, tlv_data); | |
526 | set_sec_size(pieces, IWL_UCODE_INIT, | |
527 | IWL_UCODE_SECTION_INST, tlv_len); | |
528 | set_sec_offset(pieces, IWL_UCODE_INIT, | |
529 | IWL_UCODE_SECTION_INST, | |
530 | IWLAGN_RTC_INST_LOWER_BOUND); | |
15854ef9 JB |
531 | break; |
532 | case IWL_UCODE_TLV_INIT_DATA: | |
0cedacc5 DS |
533 | set_sec_data(pieces, IWL_UCODE_INIT, |
534 | IWL_UCODE_SECTION_DATA, tlv_data); | |
535 | set_sec_size(pieces, IWL_UCODE_INIT, | |
536 | IWL_UCODE_SECTION_DATA, tlv_len); | |
537 | set_sec_offset(pieces, IWL_UCODE_INIT, | |
538 | IWL_UCODE_SECTION_DATA, | |
539 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
540 | break; |
541 | case IWL_UCODE_TLV_BOOT: | |
965974a6 | 542 | IWL_ERR(drv, "Found unexpected BOOT ucode\n"); |
15854ef9 JB |
543 | break; |
544 | case IWL_UCODE_TLV_PROBE_MAX_LEN: | |
545 | if (tlv_len != sizeof(u32)) | |
546 | goto invalid_tlv_len; | |
547 | capa->max_probe_length = | |
548 | le32_to_cpup((__le32 *)tlv_data); | |
549 | break; | |
550 | case IWL_UCODE_TLV_PAN: | |
551 | if (tlv_len) | |
552 | goto invalid_tlv_len; | |
553 | capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; | |
554 | break; | |
555 | case IWL_UCODE_TLV_FLAGS: | |
556 | /* must be at least one u32 */ | |
557 | if (tlv_len < sizeof(u32)) | |
558 | goto invalid_tlv_len; | |
559 | /* and a proper number of u32s */ | |
560 | if (tlv_len % sizeof(u32)) | |
561 | goto invalid_tlv_len; | |
562 | /* | |
563 | * This driver only reads the first u32 as | |
564 | * right now no more features are defined, | |
565 | * if that changes then either the driver | |
566 | * will not work with the new firmware, or | |
567 | * it'll not take advantage of new features. | |
568 | */ | |
569 | capa->flags = le32_to_cpup((__le32 *)tlv_data); | |
570 | break; | |
571 | case IWL_UCODE_TLV_INIT_EVTLOG_PTR: | |
572 | if (tlv_len != sizeof(u32)) | |
573 | goto invalid_tlv_len; | |
574 | pieces->init_evtlog_ptr = | |
575 | le32_to_cpup((__le32 *)tlv_data); | |
576 | break; | |
577 | case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: | |
578 | if (tlv_len != sizeof(u32)) | |
579 | goto invalid_tlv_len; | |
580 | pieces->init_evtlog_size = | |
581 | le32_to_cpup((__le32 *)tlv_data); | |
582 | break; | |
583 | case IWL_UCODE_TLV_INIT_ERRLOG_PTR: | |
584 | if (tlv_len != sizeof(u32)) | |
585 | goto invalid_tlv_len; | |
586 | pieces->init_errlog_ptr = | |
587 | le32_to_cpup((__le32 *)tlv_data); | |
588 | break; | |
589 | case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: | |
590 | if (tlv_len != sizeof(u32)) | |
591 | goto invalid_tlv_len; | |
592 | pieces->inst_evtlog_ptr = | |
593 | le32_to_cpup((__le32 *)tlv_data); | |
594 | break; | |
595 | case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: | |
596 | if (tlv_len != sizeof(u32)) | |
597 | goto invalid_tlv_len; | |
598 | pieces->inst_evtlog_size = | |
599 | le32_to_cpup((__le32 *)tlv_data); | |
600 | break; | |
601 | case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: | |
602 | if (tlv_len != sizeof(u32)) | |
603 | goto invalid_tlv_len; | |
604 | pieces->inst_errlog_ptr = | |
605 | le32_to_cpup((__le32 *)tlv_data); | |
606 | break; | |
607 | case IWL_UCODE_TLV_ENHANCE_SENS_TBL: | |
608 | if (tlv_len) | |
609 | goto invalid_tlv_len; | |
965974a6 | 610 | drv->fw.enhance_sensitivity_table = true; |
15854ef9 JB |
611 | break; |
612 | case IWL_UCODE_TLV_WOWLAN_INST: | |
0cedacc5 DS |
613 | set_sec_data(pieces, IWL_UCODE_WOWLAN, |
614 | IWL_UCODE_SECTION_INST, tlv_data); | |
615 | set_sec_size(pieces, IWL_UCODE_WOWLAN, | |
616 | IWL_UCODE_SECTION_INST, tlv_len); | |
617 | set_sec_offset(pieces, IWL_UCODE_WOWLAN, | |
618 | IWL_UCODE_SECTION_INST, | |
619 | IWLAGN_RTC_INST_LOWER_BOUND); | |
15854ef9 JB |
620 | break; |
621 | case IWL_UCODE_TLV_WOWLAN_DATA: | |
0cedacc5 DS |
622 | set_sec_data(pieces, IWL_UCODE_WOWLAN, |
623 | IWL_UCODE_SECTION_DATA, tlv_data); | |
624 | set_sec_size(pieces, IWL_UCODE_WOWLAN, | |
625 | IWL_UCODE_SECTION_DATA, tlv_len); | |
626 | set_sec_offset(pieces, IWL_UCODE_WOWLAN, | |
627 | IWL_UCODE_SECTION_DATA, | |
628 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
629 | break; |
630 | case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: | |
631 | if (tlv_len != sizeof(u32)) | |
632 | goto invalid_tlv_len; | |
633 | capa->standard_phy_calibration_size = | |
634 | le32_to_cpup((__le32 *)tlv_data); | |
635 | break; | |
ed8c8365 DS |
636 | case IWL_UCODE_TLV_SEC_RT: |
637 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, | |
638 | tlv_len); | |
4db2c9ae | 639 | drv->fw.mvm_fw = true; |
ed8c8365 DS |
640 | break; |
641 | case IWL_UCODE_TLV_SEC_INIT: | |
642 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, | |
643 | tlv_len); | |
4db2c9ae | 644 | drv->fw.mvm_fw = true; |
ed8c8365 DS |
645 | break; |
646 | case IWL_UCODE_TLV_SEC_WOWLAN: | |
647 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, | |
648 | tlv_len); | |
4db2c9ae | 649 | drv->fw.mvm_fw = true; |
ed8c8365 DS |
650 | break; |
651 | case IWL_UCODE_TLV_DEF_CALIB: | |
652 | if (tlv_len != sizeof(struct iwl_tlv_calib_data)) | |
653 | goto invalid_tlv_len; | |
654 | if (iwl_set_default_calib(drv, tlv_data)) | |
655 | goto tlv_error; | |
656 | break; | |
657 | case IWL_UCODE_TLV_PHY_SKU: | |
658 | if (tlv_len != sizeof(u32)) | |
659 | goto invalid_tlv_len; | |
660 | drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); | |
661 | break; | |
15854ef9 | 662 | default: |
965974a6 | 663 | IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); |
15854ef9 JB |
664 | break; |
665 | } | |
666 | } | |
667 | ||
668 | if (len) { | |
965974a6 JB |
669 | IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); |
670 | iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); | |
15854ef9 JB |
671 | return -EINVAL; |
672 | } | |
673 | ||
674 | return 0; | |
675 | ||
676 | invalid_tlv_len: | |
965974a6 | 677 | IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); |
ed8c8365 | 678 | tlv_error: |
965974a6 | 679 | iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); |
15854ef9 JB |
680 | |
681 | return -EINVAL; | |
682 | } | |
683 | ||
6dfa8d01 DS |
684 | static int alloc_pci_desc(struct iwl_drv *drv, |
685 | struct iwl_firmware_pieces *pieces, | |
686 | enum iwl_ucode_type type) | |
687 | { | |
688 | int i; | |
689 | for (i = 0; | |
690 | i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i); | |
691 | i++) | |
692 | if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]), | |
693 | get_sec(pieces, type, i))) | |
694 | return -1; | |
695 | return 0; | |
696 | } | |
697 | ||
698 | static int validate_sec_sizes(struct iwl_drv *drv, | |
699 | struct iwl_firmware_pieces *pieces, | |
700 | const struct iwl_cfg *cfg) | |
701 | { | |
702 | IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n", | |
703 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
704 | IWL_UCODE_SECTION_INST)); | |
705 | IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n", | |
706 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
707 | IWL_UCODE_SECTION_DATA)); | |
708 | IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n", | |
709 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); | |
710 | IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n", | |
711 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); | |
712 | ||
713 | /* Verify that uCode images will fit in card's SRAM. */ | |
714 | if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > | |
715 | cfg->max_inst_size) { | |
716 | IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n", | |
717 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
718 | IWL_UCODE_SECTION_INST)); | |
719 | return -1; | |
720 | } | |
721 | ||
722 | if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > | |
723 | cfg->max_data_size) { | |
724 | IWL_ERR(drv, "uCode data len %Zd too large to fit in\n", | |
725 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
726 | IWL_UCODE_SECTION_DATA)); | |
727 | return -1; | |
728 | } | |
729 | ||
730 | if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > | |
731 | cfg->max_inst_size) { | |
732 | IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n", | |
733 | get_sec_size(pieces, IWL_UCODE_INIT, | |
734 | IWL_UCODE_SECTION_INST)); | |
735 | return -1; | |
736 | } | |
737 | ||
738 | if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > | |
739 | cfg->max_data_size) { | |
740 | IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n", | |
741 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
742 | IWL_UCODE_SECTION_DATA)); | |
743 | return -1; | |
744 | } | |
745 | return 0; | |
746 | } | |
747 | ||
748 | ||
15854ef9 JB |
749 | /** |
750 | * iwl_ucode_callback - callback when firmware was loaded | |
751 | * | |
752 | * If loaded successfully, copies the firmware into buffers | |
753 | * for the card to fetch (via DMA). | |
754 | */ | |
755 | static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) | |
756 | { | |
965974a6 JB |
757 | struct iwl_drv *drv = context; |
758 | const struct iwl_cfg *cfg = cfg(drv); | |
759 | struct iwl_fw *fw = &drv->fw; | |
15854ef9 JB |
760 | struct iwl_ucode_header *ucode; |
761 | int err; | |
0cedacc5 | 762 | struct iwl_firmware_pieces pieces; |
15854ef9 JB |
763 | const unsigned int api_max = cfg->ucode_api_max; |
764 | unsigned int api_ok = cfg->ucode_api_ok; | |
765 | const unsigned int api_min = cfg->ucode_api_min; | |
766 | u32 api_ver; | |
6dfa8d01 | 767 | int i; |
15854ef9 JB |
768 | |
769 | fw->ucode_capa.max_probe_length = 200; | |
770 | fw->ucode_capa.standard_phy_calibration_size = | |
771 | IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; | |
772 | ||
773 | if (!api_ok) | |
774 | api_ok = api_max; | |
775 | ||
776 | memset(&pieces, 0, sizeof(pieces)); | |
777 | ||
778 | if (!ucode_raw) { | |
965974a6 JB |
779 | if (drv->fw_index <= api_ok) |
780 | IWL_ERR(drv, | |
15854ef9 | 781 | "request for firmware file '%s' failed.\n", |
965974a6 | 782 | drv->firmware_name); |
15854ef9 JB |
783 | goto try_again; |
784 | } | |
785 | ||
965974a6 JB |
786 | IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", |
787 | drv->firmware_name, ucode_raw->size); | |
15854ef9 JB |
788 | |
789 | /* Make sure that we got at least the API version number */ | |
790 | if (ucode_raw->size < 4) { | |
965974a6 | 791 | IWL_ERR(drv, "File size way too small!\n"); |
15854ef9 JB |
792 | goto try_again; |
793 | } | |
794 | ||
795 | /* Data from ucode file: header followed by uCode images */ | |
796 | ucode = (struct iwl_ucode_header *)ucode_raw->data; | |
797 | ||
798 | if (ucode->ver) | |
965974a6 | 799 | err = iwl_parse_v1_v2_firmware(drv, ucode_raw, &pieces); |
15854ef9 | 800 | else |
965974a6 | 801 | err = iwl_parse_tlv_firmware(drv, ucode_raw, &pieces, |
15854ef9 JB |
802 | &fw->ucode_capa); |
803 | ||
804 | if (err) | |
805 | goto try_again; | |
806 | ||
965974a6 | 807 | api_ver = IWL_UCODE_API(drv->fw.ucode_ver); |
15854ef9 JB |
808 | |
809 | /* | |
810 | * api_ver should match the api version forming part of the | |
811 | * firmware filename ... but we don't check for that and only rely | |
812 | * on the API version read from firmware header from here on forward | |
813 | */ | |
814 | /* no api version check required for experimental uCode */ | |
965974a6 | 815 | if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) { |
15854ef9 | 816 | if (api_ver < api_min || api_ver > api_max) { |
965974a6 | 817 | IWL_ERR(drv, |
15854ef9 JB |
818 | "Driver unable to support your firmware API. " |
819 | "Driver supports v%u, firmware is v%u.\n", | |
820 | api_max, api_ver); | |
821 | goto try_again; | |
822 | } | |
823 | ||
824 | if (api_ver < api_ok) { | |
825 | if (api_ok != api_max) | |
965974a6 | 826 | IWL_ERR(drv, "Firmware has old API version, " |
15854ef9 JB |
827 | "expected v%u through v%u, got v%u.\n", |
828 | api_ok, api_max, api_ver); | |
829 | else | |
965974a6 | 830 | IWL_ERR(drv, "Firmware has old API version, " |
15854ef9 JB |
831 | "expected v%u, got v%u.\n", |
832 | api_max, api_ver); | |
965974a6 | 833 | IWL_ERR(drv, "New firmware can be obtained from " |
15854ef9 JB |
834 | "http://www.intellinuxwireless.org/.\n"); |
835 | } | |
836 | } | |
837 | ||
965974a6 | 838 | IWL_INFO(drv, "loaded firmware version %s", drv->fw.fw_version); |
15854ef9 JB |
839 | |
840 | /* | |
841 | * For any of the failures below (before allocating pci memory) | |
842 | * we will try to load a version with a smaller API -- maybe the | |
843 | * user just got a corrupted version of the latest API. | |
844 | */ | |
845 | ||
965974a6 JB |
846 | IWL_DEBUG_INFO(drv, "f/w package hdr ucode version raw = 0x%x\n", |
847 | drv->fw.ucode_ver); | |
848 | IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n", | |
0cedacc5 DS |
849 | get_sec_size(&pieces, IWL_UCODE_REGULAR, |
850 | IWL_UCODE_SECTION_INST)); | |
965974a6 | 851 | IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n", |
0cedacc5 DS |
852 | get_sec_size(&pieces, IWL_UCODE_REGULAR, |
853 | IWL_UCODE_SECTION_DATA)); | |
965974a6 | 854 | IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n", |
0cedacc5 | 855 | get_sec_size(&pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); |
965974a6 | 856 | IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n", |
0cedacc5 | 857 | get_sec_size(&pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); |
15854ef9 JB |
858 | |
859 | /* Verify that uCode images will fit in card's SRAM */ | |
0cedacc5 DS |
860 | if (get_sec_size(&pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > |
861 | cfg->max_inst_size) { | |
965974a6 | 862 | IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n", |
0cedacc5 DS |
863 | get_sec_size(&pieces, IWL_UCODE_REGULAR, |
864 | IWL_UCODE_SECTION_INST)); | |
15854ef9 JB |
865 | goto try_again; |
866 | } | |
867 | ||
0cedacc5 DS |
868 | if (get_sec_size(&pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > |
869 | cfg->max_data_size) { | |
965974a6 | 870 | IWL_ERR(drv, "uCode data len %Zd too large to fit in\n", |
0cedacc5 DS |
871 | get_sec_size(&pieces, IWL_UCODE_REGULAR, |
872 | IWL_UCODE_SECTION_DATA)); | |
15854ef9 JB |
873 | goto try_again; |
874 | } | |
875 | ||
4db2c9ae DS |
876 | /* |
877 | * In mvm uCode there is no difference between data and instructions | |
878 | * sections. | |
879 | */ | |
880 | if (!fw->mvm_fw && validate_sec_sizes(drv, &pieces, cfg)) | |
15854ef9 | 881 | goto try_again; |
15854ef9 JB |
882 | |
883 | /* Allocate ucode buffers for card's bus-master loading ... */ | |
884 | ||
885 | /* Runtime instructions and 2 copies of data: | |
886 | * 1) unmodified from disk | |
887 | * 2) backup cache for save/restore during power-downs */ | |
6dfa8d01 DS |
888 | for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) |
889 | if (alloc_pci_desc(drv, &pieces, i)) | |
15854ef9 | 890 | goto err_pci_alloc; |
15854ef9 JB |
891 | |
892 | /* Now that we can no longer fail, copy information */ | |
893 | ||
894 | /* | |
895 | * The (size - 16) / 12 formula is based on the information recorded | |
896 | * for each event, which is of mode 1 (including timestamp) for all | |
897 | * new microcodes that include this information. | |
898 | */ | |
0692fe41 | 899 | fw->init_evtlog_ptr = pieces.init_evtlog_ptr; |
15854ef9 | 900 | if (pieces.init_evtlog_size) |
0692fe41 | 901 | fw->init_evtlog_size = (pieces.init_evtlog_size - 16)/12; |
15854ef9 | 902 | else |
0692fe41 | 903 | fw->init_evtlog_size = |
15854ef9 | 904 | cfg->base_params->max_event_log_size; |
0692fe41 JB |
905 | fw->init_errlog_ptr = pieces.init_errlog_ptr; |
906 | fw->inst_evtlog_ptr = pieces.inst_evtlog_ptr; | |
15854ef9 | 907 | if (pieces.inst_evtlog_size) |
0692fe41 | 908 | fw->inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12; |
15854ef9 | 909 | else |
0692fe41 | 910 | fw->inst_evtlog_size = |
15854ef9 | 911 | cfg->base_params->max_event_log_size; |
0692fe41 | 912 | fw->inst_errlog_ptr = pieces.inst_errlog_ptr; |
15854ef9 JB |
913 | |
914 | /* | |
915 | * figure out the offset of chain noise reset and gain commands | |
916 | * base on the size of standard phy calibration commands table size | |
917 | */ | |
918 | if (fw->ucode_capa.standard_phy_calibration_size > | |
919 | IWL_MAX_PHY_CALIBRATE_TBL_SIZE) | |
920 | fw->ucode_capa.standard_phy_calibration_size = | |
921 | IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; | |
922 | ||
923 | /* We have our copies now, allow OS release its copies */ | |
924 | release_firmware(ucode_raw); | |
965974a6 | 925 | complete(&drv->request_firmware_complete); |
15854ef9 | 926 | |
965974a6 | 927 | drv->op_mode = iwl_dvm_ops.start(drv->shrd->trans, &drv->fw); |
15854ef9 | 928 | |
965974a6 | 929 | if (!drv->op_mode) |
15854ef9 JB |
930 | goto out_unbind; |
931 | ||
932 | return; | |
933 | ||
934 | try_again: | |
935 | /* try next, if any */ | |
936 | release_firmware(ucode_raw); | |
965974a6 | 937 | if (iwl_request_firmware(drv, false)) |
15854ef9 JB |
938 | goto out_unbind; |
939 | return; | |
940 | ||
941 | err_pci_alloc: | |
965974a6 JB |
942 | IWL_ERR(drv, "failed to allocate pci memory\n"); |
943 | iwl_dealloc_ucode(drv); | |
15854ef9 JB |
944 | release_firmware(ucode_raw); |
945 | out_unbind: | |
965974a6 JB |
946 | complete(&drv->request_firmware_complete); |
947 | device_release_driver(trans(drv)->dev); | |
15854ef9 JB |
948 | } |
949 | ||
5c58edc6 | 950 | int iwl_drv_start(struct iwl_shared *shrd, |
706c4ff6 | 951 | struct iwl_trans *trans, const struct iwl_cfg *cfg) |
5c58edc6 | 952 | { |
965974a6 | 953 | struct iwl_drv *drv; |
5c58edc6 EG |
954 | int ret; |
955 | ||
956 | shrd->cfg = cfg; | |
957 | ||
965974a6 JB |
958 | drv = kzalloc(sizeof(*drv), GFP_KERNEL); |
959 | if (!drv) { | |
960 | dev_printk(KERN_ERR, trans->dev, "Couldn't allocate iwl_drv"); | |
5c58edc6 EG |
961 | return -ENOMEM; |
962 | } | |
965974a6 JB |
963 | drv->shrd = shrd; |
964 | shrd->drv = drv; | |
5c58edc6 | 965 | |
965974a6 | 966 | init_completion(&drv->request_firmware_complete); |
5c58edc6 | 967 | |
965974a6 | 968 | ret = iwl_request_firmware(drv, true); |
5c58edc6 EG |
969 | |
970 | if (ret) { | |
971 | dev_printk(KERN_ERR, trans->dev, "Couldn't request the fw"); | |
965974a6 JB |
972 | kfree(drv); |
973 | shrd->drv = NULL; | |
5c58edc6 EG |
974 | } |
975 | ||
976 | return ret; | |
977 | } | |
978 | ||
07590f08 EG |
979 | void iwl_drv_stop(struct iwl_shared *shrd) |
980 | { | |
965974a6 | 981 | struct iwl_drv *drv = shrd->drv; |
0692fe41 | 982 | |
965974a6 | 983 | wait_for_completion(&drv->request_firmware_complete); |
2e7eb117 | 984 | |
d0f76d68 | 985 | /* op_mode can be NULL if its start failed */ |
965974a6 JB |
986 | if (drv->op_mode) |
987 | iwl_op_mode_stop(drv->op_mode); | |
07590f08 | 988 | |
965974a6 | 989 | iwl_dealloc_ucode(drv); |
7db5b989 | 990 | |
965974a6 JB |
991 | kfree(drv); |
992 | shrd->drv = NULL; | |
07590f08 | 993 | } |