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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 | |
cc5f7e39 DF |
80 | /****************************************************************************** |
81 | * | |
82 | * module boiler plate | |
83 | * | |
84 | ******************************************************************************/ | |
85 | ||
86 | /* | |
87 | * module name, copyright, version, etc. | |
88 | */ | |
89 | #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux" | |
90 | ||
91 | #ifdef CONFIG_IWLWIFI_DEBUG | |
92 | #define VD "d" | |
93 | #else | |
94 | #define VD | |
95 | #endif | |
96 | ||
97 | #define DRV_VERSION IWLWIFI_VERSION VD | |
98 | ||
99 | MODULE_DESCRIPTION(DRV_DESCRIPTION); | |
100 | MODULE_VERSION(DRV_VERSION); | |
101 | MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); | |
102 | MODULE_LICENSE("GPL"); | |
103 | ||
965974a6 JB |
104 | /** |
105 | * struct iwl_drv - drv common data | |
cc5f7e39 | 106 | * @list: list of drv structures using this opmode |
965974a6 | 107 | * @fw: the iwl_fw structure |
965974a6 | 108 | * @op_mode: the running op_mode |
68f360dc | 109 | * @trans: transport layer |
4b9844f5 | 110 | * @dev: for debug prints only |
68f360dc | 111 | * @cfg: configuration struct |
965974a6 JB |
112 | * @fw_index: firmware revision to try loading |
113 | * @firmware_name: composite filename of ucode file to load | |
114 | * @request_firmware_complete: the firmware has been obtained from user space | |
115 | */ | |
116 | struct iwl_drv { | |
cc5f7e39 | 117 | struct list_head list; |
965974a6 JB |
118 | struct iwl_fw fw; |
119 | ||
965974a6 | 120 | struct iwl_op_mode *op_mode; |
9130bab1 | 121 | struct iwl_trans *trans; |
4b9844f5 | 122 | struct device *dev; |
68f360dc | 123 | const struct iwl_cfg *cfg; |
965974a6 JB |
124 | |
125 | int fw_index; /* firmware we're trying to load */ | |
126 | char firmware_name[25]; /* name of firmware file to load */ | |
127 | ||
128 | struct completion request_firmware_complete; | |
129 | }; | |
130 | ||
cc5f7e39 DF |
131 | #define DVM_OP_MODE 0 |
132 | #define MVM_OP_MODE 1 | |
965974a6 | 133 | |
ff1ffb85 JB |
134 | /* Protects the table contents, i.e. the ops pointer & drv list */ |
135 | static struct mutex iwlwifi_opmode_table_mtx; | |
cc5f7e39 DF |
136 | static struct iwlwifi_opmode_table { |
137 | const char *name; /* name: iwldvm, iwlmvm, etc */ | |
138 | const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ | |
139 | struct list_head drv; /* list of devices using this op_mode */ | |
140 | } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ | |
141 | { .name = "iwldvm", .ops = NULL }, | |
142 | { .name = "iwlmvm", .ops = NULL }, | |
143 | }; | |
965974a6 | 144 | |
0cedacc5 DS |
145 | /* |
146 | * struct fw_sec: Just for the image parsing proccess. | |
147 | * For the fw storage we are using struct fw_desc. | |
148 | */ | |
149 | struct fw_sec { | |
150 | const void *data; /* the sec data */ | |
151 | size_t size; /* section size */ | |
152 | u32 offset; /* offset of writing in the device */ | |
153 | }; | |
154 | ||
965974a6 | 155 | static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) |
15854ef9 JB |
156 | { |
157 | if (desc->v_addr) | |
93faaeea | 158 | dma_free_coherent(drv->trans->dev, desc->len, |
15854ef9 JB |
159 | desc->v_addr, desc->p_addr); |
160 | desc->v_addr = NULL; | |
161 | desc->len = 0; | |
162 | } | |
163 | ||
965974a6 | 164 | static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) |
15854ef9 | 165 | { |
6dfa8d01 DS |
166 | int i; |
167 | for (i = 0; i < IWL_UCODE_SECTION_MAX; i++) | |
168 | iwl_free_fw_desc(drv, &img->sec[i]); | |
15854ef9 JB |
169 | } |
170 | ||
965974a6 | 171 | static void iwl_dealloc_ucode(struct iwl_drv *drv) |
15854ef9 | 172 | { |
6dfa8d01 DS |
173 | int i; |
174 | for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) | |
175 | iwl_free_fw_img(drv, drv->fw.img + i); | |
15854ef9 JB |
176 | } |
177 | ||
965974a6 | 178 | static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, |
0cedacc5 | 179 | struct fw_sec *sec) |
15854ef9 | 180 | { |
0cedacc5 | 181 | if (!sec || !sec->size) { |
15854ef9 JB |
182 | desc->v_addr = NULL; |
183 | return -EINVAL; | |
184 | } | |
185 | ||
93faaeea | 186 | desc->v_addr = dma_alloc_coherent(drv->trans->dev, sec->size, |
15854ef9 JB |
187 | &desc->p_addr, GFP_KERNEL); |
188 | if (!desc->v_addr) | |
189 | return -ENOMEM; | |
190 | ||
0cedacc5 DS |
191 | desc->len = sec->size; |
192 | desc->offset = sec->offset; | |
193 | memcpy(desc->v_addr, sec->data, sec->size); | |
15854ef9 JB |
194 | return 0; |
195 | } | |
196 | ||
197 | static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context); | |
198 | ||
199 | #define UCODE_EXPERIMENTAL_INDEX 100 | |
200 | #define UCODE_EXPERIMENTAL_TAG "exp" | |
201 | ||
965974a6 | 202 | static int iwl_request_firmware(struct iwl_drv *drv, bool first) |
15854ef9 | 203 | { |
68f360dc | 204 | const char *name_pre = drv->cfg->fw_name_pre; |
15854ef9 JB |
205 | char tag[8]; |
206 | ||
207 | if (first) { | |
208 | #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE | |
965974a6 | 209 | drv->fw_index = UCODE_EXPERIMENTAL_INDEX; |
15854ef9 | 210 | strcpy(tag, UCODE_EXPERIMENTAL_TAG); |
965974a6 | 211 | } else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) { |
15854ef9 | 212 | #endif |
68f360dc | 213 | drv->fw_index = drv->cfg->ucode_api_max; |
965974a6 | 214 | sprintf(tag, "%d", drv->fw_index); |
15854ef9 | 215 | } else { |
965974a6 JB |
216 | drv->fw_index--; |
217 | sprintf(tag, "%d", drv->fw_index); | |
15854ef9 JB |
218 | } |
219 | ||
68f360dc | 220 | if (drv->fw_index < drv->cfg->ucode_api_min) { |
965974a6 | 221 | IWL_ERR(drv, "no suitable firmware found!\n"); |
15854ef9 JB |
222 | return -ENOENT; |
223 | } | |
224 | ||
965974a6 | 225 | sprintf(drv->firmware_name, "%s%s%s", name_pre, tag, ".ucode"); |
15854ef9 | 226 | |
965974a6 JB |
227 | IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n", |
228 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) | |
15854ef9 | 229 | ? "EXPERIMENTAL " : "", |
965974a6 | 230 | drv->firmware_name); |
15854ef9 | 231 | |
965974a6 | 232 | return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, |
93faaeea | 233 | drv->trans->dev, |
965974a6 | 234 | GFP_KERNEL, drv, iwl_ucode_callback); |
15854ef9 JB |
235 | } |
236 | ||
0cedacc5 | 237 | struct fw_img_parsing { |
6dfa8d01 | 238 | struct fw_sec sec[IWL_UCODE_SECTION_MAX]; |
0cedacc5 DS |
239 | int sec_counter; |
240 | }; | |
241 | ||
ed8c8365 DS |
242 | /* |
243 | * struct fw_sec_parsing: to extract fw section and it's offset from tlv | |
244 | */ | |
245 | struct fw_sec_parsing { | |
246 | __le32 offset; | |
247 | const u8 data[]; | |
248 | } __packed; | |
249 | ||
250 | /** | |
251 | * struct iwl_tlv_calib_data - parse the default calib data from TLV | |
252 | * | |
253 | * @ucode_type: the uCode to which the following default calib relates. | |
254 | * @calib: default calibrations. | |
255 | */ | |
256 | struct iwl_tlv_calib_data { | |
257 | __le32 ucode_type; | |
258 | __le64 calib; | |
259 | } __packed; | |
260 | ||
0cedacc5 DS |
261 | struct iwl_firmware_pieces { |
262 | struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; | |
15854ef9 JB |
263 | |
264 | u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; | |
265 | u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; | |
266 | }; | |
267 | ||
0cedacc5 DS |
268 | /* |
269 | * These functions are just to extract uCode section data from the pieces | |
270 | * structure. | |
271 | */ | |
272 | static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, | |
273 | enum iwl_ucode_type type, | |
274 | int sec) | |
275 | { | |
276 | return &pieces->img[type].sec[sec]; | |
277 | } | |
278 | ||
279 | static void set_sec_data(struct iwl_firmware_pieces *pieces, | |
280 | enum iwl_ucode_type type, | |
281 | int sec, | |
282 | const void *data) | |
283 | { | |
284 | pieces->img[type].sec[sec].data = data; | |
285 | } | |
286 | ||
287 | static void set_sec_size(struct iwl_firmware_pieces *pieces, | |
288 | enum iwl_ucode_type type, | |
289 | int sec, | |
290 | size_t size) | |
291 | { | |
292 | pieces->img[type].sec[sec].size = size; | |
293 | } | |
294 | ||
295 | static size_t get_sec_size(struct iwl_firmware_pieces *pieces, | |
296 | enum iwl_ucode_type type, | |
297 | int sec) | |
298 | { | |
299 | return pieces->img[type].sec[sec].size; | |
300 | } | |
301 | ||
302 | static void set_sec_offset(struct iwl_firmware_pieces *pieces, | |
303 | enum iwl_ucode_type type, | |
304 | int sec, | |
305 | u32 offset) | |
306 | { | |
307 | pieces->img[type].sec[sec].offset = offset; | |
308 | } | |
309 | ||
ed8c8365 DS |
310 | /* |
311 | * Gets uCode section from tlv. | |
312 | */ | |
313 | static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, | |
314 | const void *data, enum iwl_ucode_type type, | |
315 | int size) | |
316 | { | |
317 | struct fw_img_parsing *img; | |
318 | struct fw_sec *sec; | |
319 | struct fw_sec_parsing *sec_parse; | |
320 | ||
321 | if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) | |
322 | return -1; | |
323 | ||
324 | sec_parse = (struct fw_sec_parsing *)data; | |
325 | ||
326 | img = &pieces->img[type]; | |
327 | sec = &img->sec[img->sec_counter]; | |
328 | ||
329 | sec->offset = le32_to_cpu(sec_parse->offset); | |
330 | sec->data = sec_parse->data; | |
1176f431 | 331 | sec->size = size - sizeof(sec_parse->offset); |
ed8c8365 DS |
332 | |
333 | ++img->sec_counter; | |
334 | ||
335 | return 0; | |
336 | } | |
337 | ||
338 | static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) | |
339 | { | |
340 | struct iwl_tlv_calib_data *def_calib = | |
341 | (struct iwl_tlv_calib_data *)data; | |
342 | u32 ucode_type = le32_to_cpu(def_calib->ucode_type); | |
343 | if (ucode_type >= IWL_UCODE_TYPE_MAX) { | |
344 | IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", | |
345 | ucode_type); | |
346 | return -EINVAL; | |
347 | } | |
348 | drv->fw.default_calib[ucode_type] = le64_to_cpu(def_calib->calib); | |
349 | return 0; | |
350 | } | |
351 | ||
965974a6 | 352 | static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, |
0cedacc5 DS |
353 | const struct firmware *ucode_raw, |
354 | struct iwl_firmware_pieces *pieces) | |
15854ef9 JB |
355 | { |
356 | struct iwl_ucode_header *ucode = (void *)ucode_raw->data; | |
357 | u32 api_ver, hdr_size, build; | |
358 | char buildstr[25]; | |
359 | const u8 *src; | |
360 | ||
965974a6 JB |
361 | drv->fw.ucode_ver = le32_to_cpu(ucode->ver); |
362 | api_ver = IWL_UCODE_API(drv->fw.ucode_ver); | |
15854ef9 JB |
363 | |
364 | switch (api_ver) { | |
365 | default: | |
366 | hdr_size = 28; | |
367 | if (ucode_raw->size < hdr_size) { | |
965974a6 | 368 | IWL_ERR(drv, "File size too small!\n"); |
15854ef9 JB |
369 | return -EINVAL; |
370 | } | |
371 | build = le32_to_cpu(ucode->u.v2.build); | |
0cedacc5 DS |
372 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, |
373 | le32_to_cpu(ucode->u.v2.inst_size)); | |
374 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
375 | le32_to_cpu(ucode->u.v2.data_size)); | |
376 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
377 | le32_to_cpu(ucode->u.v2.init_size)); | |
378 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
379 | le32_to_cpu(ucode->u.v2.init_data_size)); | |
15854ef9 JB |
380 | src = ucode->u.v2.data; |
381 | break; | |
382 | case 0: | |
383 | case 1: | |
384 | case 2: | |
385 | hdr_size = 24; | |
386 | if (ucode_raw->size < hdr_size) { | |
965974a6 | 387 | IWL_ERR(drv, "File size too small!\n"); |
15854ef9 JB |
388 | return -EINVAL; |
389 | } | |
390 | build = 0; | |
0cedacc5 DS |
391 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, |
392 | le32_to_cpu(ucode->u.v1.inst_size)); | |
393 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
394 | le32_to_cpu(ucode->u.v1.data_size)); | |
395 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
396 | le32_to_cpu(ucode->u.v1.init_size)); | |
397 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
398 | le32_to_cpu(ucode->u.v1.init_data_size)); | |
15854ef9 JB |
399 | src = ucode->u.v1.data; |
400 | break; | |
401 | } | |
402 | ||
403 | if (build) | |
404 | sprintf(buildstr, " build %u%s", build, | |
965974a6 | 405 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) |
15854ef9 JB |
406 | ? " (EXP)" : ""); |
407 | else | |
408 | buildstr[0] = '\0'; | |
409 | ||
965974a6 JB |
410 | snprintf(drv->fw.fw_version, |
411 | sizeof(drv->fw.fw_version), | |
15854ef9 | 412 | "%u.%u.%u.%u%s", |
965974a6 JB |
413 | IWL_UCODE_MAJOR(drv->fw.ucode_ver), |
414 | IWL_UCODE_MINOR(drv->fw.ucode_ver), | |
415 | IWL_UCODE_API(drv->fw.ucode_ver), | |
416 | IWL_UCODE_SERIAL(drv->fw.ucode_ver), | |
15854ef9 JB |
417 | buildstr); |
418 | ||
419 | /* Verify size of file vs. image size info in file's header */ | |
0cedacc5 DS |
420 | |
421 | if (ucode_raw->size != hdr_size + | |
422 | get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + | |
423 | get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + | |
424 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + | |
425 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { | |
15854ef9 | 426 | |
965974a6 | 427 | IWL_ERR(drv, |
15854ef9 JB |
428 | "uCode file size %d does not match expected size\n", |
429 | (int)ucode_raw->size); | |
430 | return -EINVAL; | |
431 | } | |
432 | ||
15854ef9 | 433 | |
0cedacc5 DS |
434 | set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); |
435 | src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); | |
436 | set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, | |
437 | IWLAGN_RTC_INST_LOWER_BOUND); | |
438 | set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); | |
439 | src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); | |
440 | set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
441 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
442 | set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); | |
443 | src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); | |
444 | set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
445 | IWLAGN_RTC_INST_LOWER_BOUND); | |
446 | set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); | |
447 | src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); | |
448 | set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
449 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
450 | return 0; |
451 | } | |
452 | ||
965974a6 | 453 | static int iwl_parse_tlv_firmware(struct iwl_drv *drv, |
15854ef9 | 454 | const struct firmware *ucode_raw, |
0cedacc5 | 455 | struct iwl_firmware_pieces *pieces, |
15854ef9 JB |
456 | struct iwl_ucode_capabilities *capa) |
457 | { | |
458 | struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; | |
459 | struct iwl_ucode_tlv *tlv; | |
460 | size_t len = ucode_raw->size; | |
461 | const u8 *data; | |
15854ef9 JB |
462 | u32 tlv_len; |
463 | enum iwl_ucode_tlv_type tlv_type; | |
464 | const u8 *tlv_data; | |
465 | char buildstr[25]; | |
466 | u32 build; | |
467 | ||
468 | if (len < sizeof(*ucode)) { | |
965974a6 | 469 | IWL_ERR(drv, "uCode has invalid length: %zd\n", len); |
15854ef9 JB |
470 | return -EINVAL; |
471 | } | |
472 | ||
473 | if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { | |
965974a6 | 474 | IWL_ERR(drv, "invalid uCode magic: 0X%x\n", |
15854ef9 JB |
475 | le32_to_cpu(ucode->magic)); |
476 | return -EINVAL; | |
477 | } | |
478 | ||
965974a6 | 479 | drv->fw.ucode_ver = le32_to_cpu(ucode->ver); |
15854ef9 JB |
480 | build = le32_to_cpu(ucode->build); |
481 | ||
482 | if (build) | |
483 | sprintf(buildstr, " build %u%s", build, | |
965974a6 | 484 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) |
15854ef9 JB |
485 | ? " (EXP)" : ""); |
486 | else | |
487 | buildstr[0] = '\0'; | |
488 | ||
965974a6 JB |
489 | snprintf(drv->fw.fw_version, |
490 | sizeof(drv->fw.fw_version), | |
15854ef9 | 491 | "%u.%u.%u.%u%s", |
965974a6 JB |
492 | IWL_UCODE_MAJOR(drv->fw.ucode_ver), |
493 | IWL_UCODE_MINOR(drv->fw.ucode_ver), | |
494 | IWL_UCODE_API(drv->fw.ucode_ver), | |
495 | IWL_UCODE_SERIAL(drv->fw.ucode_ver), | |
15854ef9 JB |
496 | buildstr); |
497 | ||
498 | data = ucode->data; | |
499 | ||
500 | len -= sizeof(*ucode); | |
501 | ||
502 | while (len >= sizeof(*tlv)) { | |
15854ef9 JB |
503 | len -= sizeof(*tlv); |
504 | tlv = (void *)data; | |
505 | ||
506 | tlv_len = le32_to_cpu(tlv->length); | |
0479c19d | 507 | tlv_type = le32_to_cpu(tlv->type); |
15854ef9 JB |
508 | tlv_data = tlv->data; |
509 | ||
510 | if (len < tlv_len) { | |
965974a6 | 511 | IWL_ERR(drv, "invalid TLV len: %zd/%u\n", |
15854ef9 JB |
512 | len, tlv_len); |
513 | return -EINVAL; | |
514 | } | |
515 | len -= ALIGN(tlv_len, 4); | |
516 | data += sizeof(*tlv) + ALIGN(tlv_len, 4); | |
517 | ||
15854ef9 JB |
518 | switch (tlv_type) { |
519 | case IWL_UCODE_TLV_INST: | |
0cedacc5 DS |
520 | set_sec_data(pieces, IWL_UCODE_REGULAR, |
521 | IWL_UCODE_SECTION_INST, tlv_data); | |
522 | set_sec_size(pieces, IWL_UCODE_REGULAR, | |
523 | IWL_UCODE_SECTION_INST, tlv_len); | |
524 | set_sec_offset(pieces, IWL_UCODE_REGULAR, | |
525 | IWL_UCODE_SECTION_INST, | |
526 | IWLAGN_RTC_INST_LOWER_BOUND); | |
15854ef9 JB |
527 | break; |
528 | case IWL_UCODE_TLV_DATA: | |
0cedacc5 DS |
529 | set_sec_data(pieces, IWL_UCODE_REGULAR, |
530 | IWL_UCODE_SECTION_DATA, tlv_data); | |
531 | set_sec_size(pieces, IWL_UCODE_REGULAR, | |
532 | IWL_UCODE_SECTION_DATA, tlv_len); | |
533 | set_sec_offset(pieces, IWL_UCODE_REGULAR, | |
534 | IWL_UCODE_SECTION_DATA, | |
535 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
536 | break; |
537 | case IWL_UCODE_TLV_INIT: | |
0cedacc5 DS |
538 | set_sec_data(pieces, IWL_UCODE_INIT, |
539 | IWL_UCODE_SECTION_INST, tlv_data); | |
540 | set_sec_size(pieces, IWL_UCODE_INIT, | |
541 | IWL_UCODE_SECTION_INST, tlv_len); | |
542 | set_sec_offset(pieces, IWL_UCODE_INIT, | |
543 | IWL_UCODE_SECTION_INST, | |
544 | IWLAGN_RTC_INST_LOWER_BOUND); | |
15854ef9 JB |
545 | break; |
546 | case IWL_UCODE_TLV_INIT_DATA: | |
0cedacc5 DS |
547 | set_sec_data(pieces, IWL_UCODE_INIT, |
548 | IWL_UCODE_SECTION_DATA, tlv_data); | |
549 | set_sec_size(pieces, IWL_UCODE_INIT, | |
550 | IWL_UCODE_SECTION_DATA, tlv_len); | |
551 | set_sec_offset(pieces, IWL_UCODE_INIT, | |
552 | IWL_UCODE_SECTION_DATA, | |
553 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
554 | break; |
555 | case IWL_UCODE_TLV_BOOT: | |
965974a6 | 556 | IWL_ERR(drv, "Found unexpected BOOT ucode\n"); |
15854ef9 JB |
557 | break; |
558 | case IWL_UCODE_TLV_PROBE_MAX_LEN: | |
559 | if (tlv_len != sizeof(u32)) | |
560 | goto invalid_tlv_len; | |
561 | capa->max_probe_length = | |
562 | le32_to_cpup((__le32 *)tlv_data); | |
563 | break; | |
564 | case IWL_UCODE_TLV_PAN: | |
565 | if (tlv_len) | |
566 | goto invalid_tlv_len; | |
567 | capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; | |
568 | break; | |
569 | case IWL_UCODE_TLV_FLAGS: | |
570 | /* must be at least one u32 */ | |
571 | if (tlv_len < sizeof(u32)) | |
572 | goto invalid_tlv_len; | |
573 | /* and a proper number of u32s */ | |
574 | if (tlv_len % sizeof(u32)) | |
575 | goto invalid_tlv_len; | |
576 | /* | |
577 | * This driver only reads the first u32 as | |
578 | * right now no more features are defined, | |
579 | * if that changes then either the driver | |
580 | * will not work with the new firmware, or | |
581 | * it'll not take advantage of new features. | |
582 | */ | |
583 | capa->flags = le32_to_cpup((__le32 *)tlv_data); | |
584 | break; | |
585 | case IWL_UCODE_TLV_INIT_EVTLOG_PTR: | |
586 | if (tlv_len != sizeof(u32)) | |
587 | goto invalid_tlv_len; | |
588 | pieces->init_evtlog_ptr = | |
589 | le32_to_cpup((__le32 *)tlv_data); | |
590 | break; | |
591 | case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: | |
592 | if (tlv_len != sizeof(u32)) | |
593 | goto invalid_tlv_len; | |
594 | pieces->init_evtlog_size = | |
595 | le32_to_cpup((__le32 *)tlv_data); | |
596 | break; | |
597 | case IWL_UCODE_TLV_INIT_ERRLOG_PTR: | |
598 | if (tlv_len != sizeof(u32)) | |
599 | goto invalid_tlv_len; | |
600 | pieces->init_errlog_ptr = | |
601 | le32_to_cpup((__le32 *)tlv_data); | |
602 | break; | |
603 | case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: | |
604 | if (tlv_len != sizeof(u32)) | |
605 | goto invalid_tlv_len; | |
606 | pieces->inst_evtlog_ptr = | |
607 | le32_to_cpup((__le32 *)tlv_data); | |
608 | break; | |
609 | case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: | |
610 | if (tlv_len != sizeof(u32)) | |
611 | goto invalid_tlv_len; | |
612 | pieces->inst_evtlog_size = | |
613 | le32_to_cpup((__le32 *)tlv_data); | |
614 | break; | |
615 | case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: | |
616 | if (tlv_len != sizeof(u32)) | |
617 | goto invalid_tlv_len; | |
618 | pieces->inst_errlog_ptr = | |
619 | le32_to_cpup((__le32 *)tlv_data); | |
620 | break; | |
621 | case IWL_UCODE_TLV_ENHANCE_SENS_TBL: | |
622 | if (tlv_len) | |
623 | goto invalid_tlv_len; | |
965974a6 | 624 | drv->fw.enhance_sensitivity_table = true; |
15854ef9 JB |
625 | break; |
626 | case IWL_UCODE_TLV_WOWLAN_INST: | |
0cedacc5 DS |
627 | set_sec_data(pieces, IWL_UCODE_WOWLAN, |
628 | IWL_UCODE_SECTION_INST, tlv_data); | |
629 | set_sec_size(pieces, IWL_UCODE_WOWLAN, | |
630 | IWL_UCODE_SECTION_INST, tlv_len); | |
631 | set_sec_offset(pieces, IWL_UCODE_WOWLAN, | |
632 | IWL_UCODE_SECTION_INST, | |
633 | IWLAGN_RTC_INST_LOWER_BOUND); | |
15854ef9 JB |
634 | break; |
635 | case IWL_UCODE_TLV_WOWLAN_DATA: | |
0cedacc5 DS |
636 | set_sec_data(pieces, IWL_UCODE_WOWLAN, |
637 | IWL_UCODE_SECTION_DATA, tlv_data); | |
638 | set_sec_size(pieces, IWL_UCODE_WOWLAN, | |
639 | IWL_UCODE_SECTION_DATA, tlv_len); | |
640 | set_sec_offset(pieces, IWL_UCODE_WOWLAN, | |
641 | IWL_UCODE_SECTION_DATA, | |
642 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
643 | break; |
644 | case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: | |
645 | if (tlv_len != sizeof(u32)) | |
646 | goto invalid_tlv_len; | |
647 | capa->standard_phy_calibration_size = | |
648 | le32_to_cpup((__le32 *)tlv_data); | |
649 | break; | |
ed8c8365 DS |
650 | case IWL_UCODE_TLV_SEC_RT: |
651 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, | |
652 | tlv_len); | |
4db2c9ae | 653 | drv->fw.mvm_fw = true; |
ed8c8365 DS |
654 | break; |
655 | case IWL_UCODE_TLV_SEC_INIT: | |
656 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, | |
657 | tlv_len); | |
4db2c9ae | 658 | drv->fw.mvm_fw = true; |
ed8c8365 DS |
659 | break; |
660 | case IWL_UCODE_TLV_SEC_WOWLAN: | |
661 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, | |
662 | tlv_len); | |
4db2c9ae | 663 | drv->fw.mvm_fw = true; |
ed8c8365 DS |
664 | break; |
665 | case IWL_UCODE_TLV_DEF_CALIB: | |
666 | if (tlv_len != sizeof(struct iwl_tlv_calib_data)) | |
667 | goto invalid_tlv_len; | |
668 | if (iwl_set_default_calib(drv, tlv_data)) | |
669 | goto tlv_error; | |
670 | break; | |
671 | case IWL_UCODE_TLV_PHY_SKU: | |
672 | if (tlv_len != sizeof(u32)) | |
673 | goto invalid_tlv_len; | |
674 | drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); | |
675 | break; | |
15854ef9 | 676 | default: |
965974a6 | 677 | IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); |
15854ef9 JB |
678 | break; |
679 | } | |
680 | } | |
681 | ||
682 | if (len) { | |
965974a6 JB |
683 | IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); |
684 | iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); | |
15854ef9 JB |
685 | return -EINVAL; |
686 | } | |
687 | ||
688 | return 0; | |
689 | ||
690 | invalid_tlv_len: | |
965974a6 | 691 | IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); |
ed8c8365 | 692 | tlv_error: |
965974a6 | 693 | iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); |
15854ef9 JB |
694 | |
695 | return -EINVAL; | |
696 | } | |
697 | ||
75813bde JB |
698 | static int iwl_alloc_ucode(struct iwl_drv *drv, |
699 | struct iwl_firmware_pieces *pieces, | |
700 | enum iwl_ucode_type type) | |
6dfa8d01 DS |
701 | { |
702 | int i; | |
703 | for (i = 0; | |
704 | i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i); | |
705 | i++) | |
706 | if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]), | |
75813bde JB |
707 | get_sec(pieces, type, i))) |
708 | return -ENOMEM; | |
6dfa8d01 DS |
709 | return 0; |
710 | } | |
711 | ||
712 | static int validate_sec_sizes(struct iwl_drv *drv, | |
713 | struct iwl_firmware_pieces *pieces, | |
714 | const struct iwl_cfg *cfg) | |
715 | { | |
716 | IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n", | |
717 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
718 | IWL_UCODE_SECTION_INST)); | |
719 | IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n", | |
720 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
721 | IWL_UCODE_SECTION_DATA)); | |
722 | IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n", | |
723 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); | |
724 | IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n", | |
725 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); | |
726 | ||
727 | /* Verify that uCode images will fit in card's SRAM. */ | |
728 | if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > | |
729 | cfg->max_inst_size) { | |
730 | IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n", | |
731 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
732 | IWL_UCODE_SECTION_INST)); | |
733 | return -1; | |
734 | } | |
735 | ||
736 | if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > | |
737 | cfg->max_data_size) { | |
738 | IWL_ERR(drv, "uCode data len %Zd too large to fit in\n", | |
739 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
740 | IWL_UCODE_SECTION_DATA)); | |
741 | return -1; | |
742 | } | |
743 | ||
744 | if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > | |
745 | cfg->max_inst_size) { | |
746 | IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n", | |
747 | get_sec_size(pieces, IWL_UCODE_INIT, | |
748 | IWL_UCODE_SECTION_INST)); | |
749 | return -1; | |
750 | } | |
751 | ||
752 | if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > | |
753 | cfg->max_data_size) { | |
754 | IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n", | |
755 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
756 | IWL_UCODE_SECTION_DATA)); | |
757 | return -1; | |
758 | } | |
759 | return 0; | |
760 | } | |
761 | ||
15854ef9 JB |
762 | /** |
763 | * iwl_ucode_callback - callback when firmware was loaded | |
764 | * | |
765 | * If loaded successfully, copies the firmware into buffers | |
766 | * for the card to fetch (via DMA). | |
767 | */ | |
768 | static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) | |
769 | { | |
965974a6 | 770 | struct iwl_drv *drv = context; |
965974a6 | 771 | struct iwl_fw *fw = &drv->fw; |
15854ef9 | 772 | struct iwl_ucode_header *ucode; |
cc5f7e39 | 773 | struct iwlwifi_opmode_table *op; |
15854ef9 | 774 | int err; |
0cedacc5 | 775 | struct iwl_firmware_pieces pieces; |
68f360dc EG |
776 | const unsigned int api_max = drv->cfg->ucode_api_max; |
777 | unsigned int api_ok = drv->cfg->ucode_api_ok; | |
778 | const unsigned int api_min = drv->cfg->ucode_api_min; | |
15854ef9 | 779 | u32 api_ver; |
6dfa8d01 | 780 | int i; |
d4b10483 | 781 | bool load_module = false; |
15854ef9 JB |
782 | |
783 | fw->ucode_capa.max_probe_length = 200; | |
784 | fw->ucode_capa.standard_phy_calibration_size = | |
785 | IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; | |
786 | ||
787 | if (!api_ok) | |
788 | api_ok = api_max; | |
789 | ||
790 | memset(&pieces, 0, sizeof(pieces)); | |
791 | ||
792 | if (!ucode_raw) { | |
965974a6 JB |
793 | if (drv->fw_index <= api_ok) |
794 | IWL_ERR(drv, | |
15854ef9 | 795 | "request for firmware file '%s' failed.\n", |
965974a6 | 796 | drv->firmware_name); |
15854ef9 JB |
797 | goto try_again; |
798 | } | |
799 | ||
965974a6 JB |
800 | IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", |
801 | drv->firmware_name, ucode_raw->size); | |
15854ef9 JB |
802 | |
803 | /* Make sure that we got at least the API version number */ | |
804 | if (ucode_raw->size < 4) { | |
965974a6 | 805 | IWL_ERR(drv, "File size way too small!\n"); |
15854ef9 JB |
806 | goto try_again; |
807 | } | |
808 | ||
809 | /* Data from ucode file: header followed by uCode images */ | |
810 | ucode = (struct iwl_ucode_header *)ucode_raw->data; | |
811 | ||
812 | if (ucode->ver) | |
965974a6 | 813 | err = iwl_parse_v1_v2_firmware(drv, ucode_raw, &pieces); |
15854ef9 | 814 | else |
965974a6 | 815 | err = iwl_parse_tlv_firmware(drv, ucode_raw, &pieces, |
15854ef9 JB |
816 | &fw->ucode_capa); |
817 | ||
818 | if (err) | |
819 | goto try_again; | |
820 | ||
965974a6 | 821 | api_ver = IWL_UCODE_API(drv->fw.ucode_ver); |
15854ef9 JB |
822 | |
823 | /* | |
824 | * api_ver should match the api version forming part of the | |
825 | * firmware filename ... but we don't check for that and only rely | |
826 | * on the API version read from firmware header from here on forward | |
827 | */ | |
828 | /* no api version check required for experimental uCode */ | |
965974a6 | 829 | if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) { |
15854ef9 | 830 | if (api_ver < api_min || api_ver > api_max) { |
965974a6 | 831 | IWL_ERR(drv, |
15854ef9 JB |
832 | "Driver unable to support your firmware API. " |
833 | "Driver supports v%u, firmware is v%u.\n", | |
834 | api_max, api_ver); | |
835 | goto try_again; | |
836 | } | |
837 | ||
838 | if (api_ver < api_ok) { | |
839 | if (api_ok != api_max) | |
965974a6 | 840 | IWL_ERR(drv, "Firmware has old API version, " |
15854ef9 JB |
841 | "expected v%u through v%u, got v%u.\n", |
842 | api_ok, api_max, api_ver); | |
843 | else | |
965974a6 | 844 | IWL_ERR(drv, "Firmware has old API version, " |
15854ef9 JB |
845 | "expected v%u, got v%u.\n", |
846 | api_max, api_ver); | |
965974a6 | 847 | IWL_ERR(drv, "New firmware can be obtained from " |
15854ef9 JB |
848 | "http://www.intellinuxwireless.org/.\n"); |
849 | } | |
850 | } | |
851 | ||
965974a6 | 852 | IWL_INFO(drv, "loaded firmware version %s", drv->fw.fw_version); |
15854ef9 | 853 | |
4db2c9ae DS |
854 | /* |
855 | * In mvm uCode there is no difference between data and instructions | |
856 | * sections. | |
857 | */ | |
68f360dc | 858 | if (!fw->mvm_fw && validate_sec_sizes(drv, &pieces, drv->cfg)) |
15854ef9 | 859 | goto try_again; |
15854ef9 JB |
860 | |
861 | /* Allocate ucode buffers for card's bus-master loading ... */ | |
862 | ||
863 | /* Runtime instructions and 2 copies of data: | |
864 | * 1) unmodified from disk | |
865 | * 2) backup cache for save/restore during power-downs */ | |
6dfa8d01 | 866 | for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) |
75813bde JB |
867 | if (iwl_alloc_ucode(drv, &pieces, i)) |
868 | goto out_free_fw; | |
15854ef9 JB |
869 | |
870 | /* Now that we can no longer fail, copy information */ | |
871 | ||
872 | /* | |
873 | * The (size - 16) / 12 formula is based on the information recorded | |
874 | * for each event, which is of mode 1 (including timestamp) for all | |
875 | * new microcodes that include this information. | |
876 | */ | |
0692fe41 | 877 | fw->init_evtlog_ptr = pieces.init_evtlog_ptr; |
15854ef9 | 878 | if (pieces.init_evtlog_size) |
0692fe41 | 879 | fw->init_evtlog_size = (pieces.init_evtlog_size - 16)/12; |
15854ef9 | 880 | else |
0692fe41 | 881 | fw->init_evtlog_size = |
68f360dc | 882 | drv->cfg->base_params->max_event_log_size; |
0692fe41 JB |
883 | fw->init_errlog_ptr = pieces.init_errlog_ptr; |
884 | fw->inst_evtlog_ptr = pieces.inst_evtlog_ptr; | |
15854ef9 | 885 | if (pieces.inst_evtlog_size) |
0692fe41 | 886 | fw->inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12; |
15854ef9 | 887 | else |
0692fe41 | 888 | fw->inst_evtlog_size = |
68f360dc | 889 | drv->cfg->base_params->max_event_log_size; |
0692fe41 | 890 | fw->inst_errlog_ptr = pieces.inst_errlog_ptr; |
15854ef9 JB |
891 | |
892 | /* | |
893 | * figure out the offset of chain noise reset and gain commands | |
894 | * base on the size of standard phy calibration commands table size | |
895 | */ | |
896 | if (fw->ucode_capa.standard_phy_calibration_size > | |
897 | IWL_MAX_PHY_CALIBRATE_TBL_SIZE) | |
898 | fw->ucode_capa.standard_phy_calibration_size = | |
899 | IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; | |
900 | ||
901 | /* We have our copies now, allow OS release its copies */ | |
902 | release_firmware(ucode_raw); | |
15854ef9 | 903 | |
ff1ffb85 | 904 | mutex_lock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 | 905 | op = &iwlwifi_opmode_table[DVM_OP_MODE]; |
15854ef9 | 906 | |
cc5f7e39 DF |
907 | /* add this device to the list of devices using this op_mode */ |
908 | list_add_tail(&drv->list, &op->drv); | |
909 | ||
910 | if (op->ops) { | |
911 | const struct iwl_op_mode_ops *ops = op->ops; | |
912 | drv->op_mode = ops->start(drv->trans, drv->cfg, &drv->fw); | |
7c9c46c1 | 913 | |
daf67ce8 DC |
914 | if (!drv->op_mode) { |
915 | mutex_unlock(&iwlwifi_opmode_table_mtx); | |
7c9c46c1 | 916 | goto out_unbind; |
daf67ce8 | 917 | } |
cc5f7e39 | 918 | } else { |
d4b10483 | 919 | load_module = true; |
cc5f7e39 | 920 | } |
ff1ffb85 | 921 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
15854ef9 | 922 | |
f69a23b7 JB |
923 | /* |
924 | * Complete the firmware request last so that | |
925 | * a driver unbind (stop) doesn't run while we | |
926 | * are doing the start() above. | |
927 | */ | |
928 | complete(&drv->request_firmware_complete); | |
d4b10483 JB |
929 | |
930 | /* | |
931 | * Load the module last so we don't block anything | |
932 | * else from proceeding if the module fails to load | |
933 | * or hangs loading. | |
934 | */ | |
935 | if (load_module) | |
936 | request_module("%s", op->name); | |
15854ef9 JB |
937 | return; |
938 | ||
939 | try_again: | |
940 | /* try next, if any */ | |
941 | release_firmware(ucode_raw); | |
965974a6 | 942 | if (iwl_request_firmware(drv, false)) |
15854ef9 JB |
943 | goto out_unbind; |
944 | return; | |
945 | ||
75813bde | 946 | out_free_fw: |
965974a6 JB |
947 | IWL_ERR(drv, "failed to allocate pci memory\n"); |
948 | iwl_dealloc_ucode(drv); | |
15854ef9 JB |
949 | release_firmware(ucode_raw); |
950 | out_unbind: | |
965974a6 | 951 | complete(&drv->request_firmware_complete); |
93faaeea | 952 | device_release_driver(drv->trans->dev); |
15854ef9 JB |
953 | } |
954 | ||
87ce05a2 | 955 | struct iwl_drv *iwl_drv_start(struct iwl_trans *trans, |
9130bab1 | 956 | const struct iwl_cfg *cfg) |
5c58edc6 | 957 | { |
965974a6 | 958 | struct iwl_drv *drv; |
5c58edc6 EG |
959 | int ret; |
960 | ||
965974a6 | 961 | drv = kzalloc(sizeof(*drv), GFP_KERNEL); |
c15797e6 | 962 | if (!drv) |
9130bab1 | 963 | return NULL; |
c15797e6 | 964 | |
9130bab1 | 965 | drv->trans = trans; |
4b9844f5 | 966 | drv->dev = trans->dev; |
68f360dc | 967 | drv->cfg = cfg; |
5c58edc6 | 968 | |
965974a6 | 969 | init_completion(&drv->request_firmware_complete); |
ff1ffb85 | 970 | INIT_LIST_HEAD(&drv->list); |
5c58edc6 | 971 | |
965974a6 | 972 | ret = iwl_request_firmware(drv, true); |
5c58edc6 EG |
973 | |
974 | if (ret) { | |
c15797e6 | 975 | IWL_ERR(trans, "Couldn't request the fw\n"); |
965974a6 | 976 | kfree(drv); |
9130bab1 | 977 | drv = NULL; |
5c58edc6 EG |
978 | } |
979 | ||
9130bab1 | 980 | return drv; |
5c58edc6 EG |
981 | } |
982 | ||
9130bab1 | 983 | void iwl_drv_stop(struct iwl_drv *drv) |
07590f08 | 984 | { |
965974a6 | 985 | wait_for_completion(&drv->request_firmware_complete); |
2e7eb117 | 986 | |
d0f76d68 | 987 | /* op_mode can be NULL if its start failed */ |
965974a6 JB |
988 | if (drv->op_mode) |
989 | iwl_op_mode_stop(drv->op_mode); | |
07590f08 | 990 | |
965974a6 | 991 | iwl_dealloc_ucode(drv); |
7db5b989 | 992 | |
ff1ffb85 JB |
993 | mutex_lock(&iwlwifi_opmode_table_mtx); |
994 | /* | |
995 | * List is empty (this item wasn't added) | |
996 | * when firmware loading failed -- in that | |
997 | * case we can't remove it from any list. | |
998 | */ | |
999 | if (!list_empty(&drv->list)) | |
1000 | list_del(&drv->list); | |
1001 | mutex_unlock(&iwlwifi_opmode_table_mtx); | |
1002 | ||
965974a6 | 1003 | kfree(drv); |
07590f08 | 1004 | } |
65de7e84 JB |
1005 | |
1006 | ||
1007 | /* shared module parameters */ | |
1008 | struct iwl_mod_params iwlwifi_mod_params = { | |
1009 | .amsdu_size_8K = 1, | |
1010 | .restart_fw = 1, | |
1011 | .plcp_check = true, | |
1012 | .bt_coex_active = true, | |
1013 | .power_level = IWL_POWER_INDEX_1, | |
1014 | .bt_ch_announce = true, | |
1015 | .auto_agg = true, | |
020c8767 | 1016 | .wd_disable = true, |
65de7e84 JB |
1017 | /* the rest are 0 by default */ |
1018 | }; | |
cc5f7e39 DF |
1019 | EXPORT_SYMBOL_GPL(iwlwifi_mod_params); |
1020 | ||
1021 | int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) | |
1022 | { | |
1023 | int i; | |
1024 | struct iwl_drv *drv; | |
1025 | ||
ff1ffb85 | 1026 | mutex_lock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 DF |
1027 | for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { |
1028 | if (strcmp(iwlwifi_opmode_table[i].name, name)) | |
1029 | continue; | |
1030 | iwlwifi_opmode_table[i].ops = ops; | |
1031 | list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) | |
1032 | drv->op_mode = ops->start(drv->trans, drv->cfg, | |
1033 | &drv->fw); | |
ff1ffb85 | 1034 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 DF |
1035 | return 0; |
1036 | } | |
ff1ffb85 | 1037 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 DF |
1038 | return -EIO; |
1039 | } | |
1040 | EXPORT_SYMBOL_GPL(iwl_opmode_register); | |
1041 | ||
1042 | void iwl_opmode_deregister(const char *name) | |
1043 | { | |
1044 | int i; | |
1045 | struct iwl_drv *drv; | |
1046 | ||
ff1ffb85 | 1047 | mutex_lock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 DF |
1048 | for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { |
1049 | if (strcmp(iwlwifi_opmode_table[i].name, name)) | |
1050 | continue; | |
1051 | iwlwifi_opmode_table[i].ops = NULL; | |
1052 | ||
1053 | /* call the stop routine for all devices */ | |
1054 | list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) { | |
1055 | if (drv->op_mode) { | |
1056 | iwl_op_mode_stop(drv->op_mode); | |
1057 | drv->op_mode = NULL; | |
1058 | } | |
1059 | } | |
ff1ffb85 | 1060 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 DF |
1061 | return; |
1062 | } | |
ff1ffb85 | 1063 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 DF |
1064 | } |
1065 | EXPORT_SYMBOL_GPL(iwl_opmode_deregister); | |
1066 | ||
1067 | static int __init iwl_drv_init(void) | |
1068 | { | |
1069 | int i; | |
1070 | ||
ff1ffb85 JB |
1071 | mutex_init(&iwlwifi_opmode_table_mtx); |
1072 | ||
cc5f7e39 DF |
1073 | for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) |
1074 | INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); | |
1075 | ||
1076 | pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n"); | |
1077 | pr_info(DRV_COPYRIGHT "\n"); | |
1078 | ||
1079 | return iwl_pci_register_driver(); | |
1080 | } | |
1081 | module_init(iwl_drv_init); | |
1082 | ||
1083 | static void __exit iwl_drv_exit(void) | |
1084 | { | |
1085 | iwl_pci_unregister_driver(); | |
1086 | } | |
1087 | module_exit(iwl_drv_exit); | |
65de7e84 JB |
1088 | |
1089 | #ifdef CONFIG_IWLWIFI_DEBUG | |
1090 | module_param_named(debug, iwlwifi_mod_params.debug_level, uint, | |
1091 | S_IRUGO | S_IWUSR); | |
1092 | MODULE_PARM_DESC(debug, "debug output mask"); | |
1093 | #endif | |
1094 | ||
1095 | module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO); | |
1096 | MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); | |
1097 | module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO); | |
1098 | MODULE_PARM_DESC(11n_disable, | |
1099 | "disable 11n functionality, bitmap: 1: full, 2: agg TX, 4: agg RX"); | |
1100 | module_param_named(amsdu_size_8K, iwlwifi_mod_params.amsdu_size_8K, | |
1101 | int, S_IRUGO); | |
1102 | MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size"); | |
1103 | module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, int, S_IRUGO); | |
1104 | MODULE_PARM_DESC(fw_restart, "restart firmware in case of error"); | |
1105 | ||
1106 | module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling, | |
1107 | int, S_IRUGO); | |
1108 | MODULE_PARM_DESC(antenna_coupling, | |
1109 | "specify antenna coupling in dB (defualt: 0 dB)"); | |
1110 | ||
1111 | module_param_named(bt_ch_inhibition, iwlwifi_mod_params.bt_ch_announce, | |
1112 | bool, S_IRUGO); | |
1113 | MODULE_PARM_DESC(bt_ch_inhibition, | |
1114 | "Enable BT channel inhibition (default: enable)"); | |
1115 | ||
1116 | module_param_named(plcp_check, iwlwifi_mod_params.plcp_check, bool, S_IRUGO); | |
1117 | MODULE_PARM_DESC(plcp_check, "Check plcp health (default: 1 [enabled])"); | |
1118 | ||
1119 | module_param_named(wd_disable, iwlwifi_mod_params.wd_disable, int, S_IRUGO); | |
1120 | MODULE_PARM_DESC(wd_disable, | |
1121 | "Disable stuck queue watchdog timer 0=system default, " | |
1122 | "1=disable, 2=enable (default: 0)"); | |
1123 | ||
1124 | /* | |
1125 | * set bt_coex_active to true, uCode will do kill/defer | |
1126 | * every time the priority line is asserted (BT is sending signals on the | |
1127 | * priority line in the PCIx). | |
1128 | * set bt_coex_active to false, uCode will ignore the BT activity and | |
1129 | * perform the normal operation | |
1130 | * | |
1131 | * User might experience transmit issue on some platform due to WiFi/BT | |
1132 | * co-exist problem. The possible behaviors are: | |
1133 | * Able to scan and finding all the available AP | |
1134 | * Not able to associate with any AP | |
1135 | * On those platforms, WiFi communication can be restored by set | |
1136 | * "bt_coex_active" module parameter to "false" | |
1137 | * | |
1138 | * default: bt_coex_active = true (BT_COEX_ENABLE) | |
1139 | */ | |
1140 | module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, | |
1141 | bool, S_IRUGO); | |
1142 | MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); | |
1143 | ||
1144 | module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO); | |
1145 | MODULE_PARM_DESC(led_mode, "0=system default, " | |
1146 | "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); | |
1147 | ||
1148 | module_param_named(power_save, iwlwifi_mod_params.power_save, | |
1149 | bool, S_IRUGO); | |
1150 | MODULE_PARM_DESC(power_save, | |
1151 | "enable WiFi power management (default: disable)"); | |
1152 | ||
1153 | module_param_named(power_level, iwlwifi_mod_params.power_level, | |
1154 | int, S_IRUGO); | |
1155 | MODULE_PARM_DESC(power_level, | |
1156 | "default power save level (range from 1 - 5, default: 1)"); | |
1157 | ||
1158 | module_param_named(auto_agg, iwlwifi_mod_params.auto_agg, | |
1159 | bool, S_IRUGO); | |
1160 | MODULE_PARM_DESC(auto_agg, | |
1161 | "enable agg w/o check traffic load (default: enable)"); | |
f6b11546 SG |
1162 | |
1163 | module_param_named(5ghz_disable, iwlwifi_mod_params.disable_5ghz, | |
1164 | bool, S_IRUGO); | |
1165 | MODULE_PARM_DESC(5ghz_disable, "disable 5GHz band (default: 0 [enabled])"); |