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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 | * | |
128e63ef | 8 | * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved. |
5c58edc6 EG |
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 | |
410dc5aa | 25 | * in the file called COPYING. |
5c58edc6 EG |
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 | * | |
128e63ef | 33 | * Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved. |
5c58edc6 EG |
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> | |
83f84d7b | 67 | #include <linux/vmalloc.h> |
5c58edc6 EG |
68 | |
69 | #include "iwl-drv.h" | |
c15797e6 | 70 | #include "iwl-debug.h" |
5c58edc6 | 71 | #include "iwl-trans.h" |
d0f76d68 | 72 | #include "iwl-op-mode.h" |
0cedacc5 | 73 | #include "iwl-agn-hw.h" |
6238b008 JB |
74 | #include "iwl-fw.h" |
75 | #include "iwl-config.h" | |
65de7e84 | 76 | #include "iwl-modparams.h" |
5c58edc6 | 77 | |
0692fe41 | 78 | /* private includes */ |
3995deaf | 79 | #include "iwl-fw-file.h" |
0692fe41 | 80 | |
cc5f7e39 DF |
81 | /****************************************************************************** |
82 | * | |
83 | * module boiler plate | |
84 | * | |
85 | ******************************************************************************/ | |
86 | ||
87 | /* | |
88 | * module name, copyright, version, etc. | |
89 | */ | |
90 | #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux" | |
91 | ||
92 | #ifdef CONFIG_IWLWIFI_DEBUG | |
93 | #define VD "d" | |
94 | #else | |
95 | #define VD | |
96 | #endif | |
97 | ||
98 | #define DRV_VERSION IWLWIFI_VERSION VD | |
99 | ||
100 | MODULE_DESCRIPTION(DRV_DESCRIPTION); | |
101 | MODULE_VERSION(DRV_VERSION); | |
102 | MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR); | |
103 | MODULE_LICENSE("GPL"); | |
104 | ||
9da987ac MV |
105 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
106 | static struct dentry *iwl_dbgfs_root; | |
107 | #endif | |
108 | ||
965974a6 JB |
109 | /** |
110 | * struct iwl_drv - drv common data | |
cc5f7e39 | 111 | * @list: list of drv structures using this opmode |
965974a6 | 112 | * @fw: the iwl_fw structure |
965974a6 | 113 | * @op_mode: the running op_mode |
68f360dc | 114 | * @trans: transport layer |
4b9844f5 | 115 | * @dev: for debug prints only |
68f360dc | 116 | * @cfg: configuration struct |
965974a6 JB |
117 | * @fw_index: firmware revision to try loading |
118 | * @firmware_name: composite filename of ucode file to load | |
119 | * @request_firmware_complete: the firmware has been obtained from user space | |
120 | */ | |
121 | struct iwl_drv { | |
cc5f7e39 | 122 | struct list_head list; |
965974a6 JB |
123 | struct iwl_fw fw; |
124 | ||
965974a6 | 125 | struct iwl_op_mode *op_mode; |
9130bab1 | 126 | struct iwl_trans *trans; |
4b9844f5 | 127 | struct device *dev; |
68f360dc | 128 | const struct iwl_cfg *cfg; |
965974a6 JB |
129 | |
130 | int fw_index; /* firmware we're trying to load */ | |
131 | char firmware_name[25]; /* name of firmware file to load */ | |
132 | ||
133 | struct completion request_firmware_complete; | |
9da987ac MV |
134 | |
135 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
136 | struct dentry *dbgfs_drv; | |
137 | struct dentry *dbgfs_trans; | |
138 | struct dentry *dbgfs_op_mode; | |
139 | #endif | |
965974a6 JB |
140 | }; |
141 | ||
8ca151b5 JB |
142 | enum { |
143 | DVM_OP_MODE = 0, | |
144 | MVM_OP_MODE = 1, | |
145 | }; | |
965974a6 | 146 | |
ff1ffb85 JB |
147 | /* Protects the table contents, i.e. the ops pointer & drv list */ |
148 | static struct mutex iwlwifi_opmode_table_mtx; | |
cc5f7e39 DF |
149 | static struct iwlwifi_opmode_table { |
150 | const char *name; /* name: iwldvm, iwlmvm, etc */ | |
151 | const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */ | |
152 | struct list_head drv; /* list of devices using this op_mode */ | |
153 | } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */ | |
8ca151b5 JB |
154 | [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL }, |
155 | [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL }, | |
cc5f7e39 | 156 | }; |
965974a6 | 157 | |
0cedacc5 DS |
158 | /* |
159 | * struct fw_sec: Just for the image parsing proccess. | |
160 | * For the fw storage we are using struct fw_desc. | |
161 | */ | |
162 | struct fw_sec { | |
163 | const void *data; /* the sec data */ | |
164 | size_t size; /* section size */ | |
165 | u32 offset; /* offset of writing in the device */ | |
166 | }; | |
167 | ||
965974a6 | 168 | static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) |
15854ef9 | 169 | { |
83f84d7b JB |
170 | vfree(desc->data); |
171 | desc->data = NULL; | |
15854ef9 JB |
172 | desc->len = 0; |
173 | } | |
174 | ||
965974a6 | 175 | static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) |
15854ef9 | 176 | { |
6dfa8d01 DS |
177 | int i; |
178 | for (i = 0; i < IWL_UCODE_SECTION_MAX; i++) | |
179 | iwl_free_fw_desc(drv, &img->sec[i]); | |
15854ef9 JB |
180 | } |
181 | ||
965974a6 | 182 | static void iwl_dealloc_ucode(struct iwl_drv *drv) |
15854ef9 | 183 | { |
6dfa8d01 DS |
184 | int i; |
185 | for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) | |
186 | iwl_free_fw_img(drv, drv->fw.img + i); | |
15854ef9 JB |
187 | } |
188 | ||
965974a6 | 189 | static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, |
83f84d7b | 190 | struct fw_sec *sec) |
15854ef9 | 191 | { |
83f84d7b JB |
192 | void *data; |
193 | ||
194 | desc->data = NULL; | |
195 | ||
196 | if (!sec || !sec->size) | |
15854ef9 | 197 | return -EINVAL; |
15854ef9 | 198 | |
83f84d7b JB |
199 | data = vmalloc(sec->size); |
200 | if (!data) | |
15854ef9 JB |
201 | return -ENOMEM; |
202 | ||
0cedacc5 DS |
203 | desc->len = sec->size; |
204 | desc->offset = sec->offset; | |
83f84d7b JB |
205 | memcpy(data, sec->data, desc->len); |
206 | desc->data = data; | |
207 | ||
15854ef9 JB |
208 | return 0; |
209 | } | |
210 | ||
1c8e11e1 EG |
211 | static void iwl_req_fw_callback(const struct firmware *ucode_raw, |
212 | void *context); | |
15854ef9 JB |
213 | |
214 | #define UCODE_EXPERIMENTAL_INDEX 100 | |
215 | #define UCODE_EXPERIMENTAL_TAG "exp" | |
216 | ||
965974a6 | 217 | static int iwl_request_firmware(struct iwl_drv *drv, bool first) |
15854ef9 | 218 | { |
68f360dc | 219 | const char *name_pre = drv->cfg->fw_name_pre; |
15854ef9 JB |
220 | char tag[8]; |
221 | ||
222 | if (first) { | |
223 | #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE | |
965974a6 | 224 | drv->fw_index = UCODE_EXPERIMENTAL_INDEX; |
15854ef9 | 225 | strcpy(tag, UCODE_EXPERIMENTAL_TAG); |
965974a6 | 226 | } else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) { |
15854ef9 | 227 | #endif |
68f360dc | 228 | drv->fw_index = drv->cfg->ucode_api_max; |
965974a6 | 229 | sprintf(tag, "%d", drv->fw_index); |
15854ef9 | 230 | } else { |
965974a6 JB |
231 | drv->fw_index--; |
232 | sprintf(tag, "%d", drv->fw_index); | |
15854ef9 JB |
233 | } |
234 | ||
68f360dc | 235 | if (drv->fw_index < drv->cfg->ucode_api_min) { |
965974a6 | 236 | IWL_ERR(drv, "no suitable firmware found!\n"); |
15854ef9 JB |
237 | return -ENOENT; |
238 | } | |
239 | ||
965974a6 | 240 | sprintf(drv->firmware_name, "%s%s%s", name_pre, tag, ".ucode"); |
15854ef9 | 241 | |
965974a6 JB |
242 | IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n", |
243 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) | |
15854ef9 | 244 | ? "EXPERIMENTAL " : "", |
965974a6 | 245 | drv->firmware_name); |
15854ef9 | 246 | |
965974a6 | 247 | return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, |
93faaeea | 248 | drv->trans->dev, |
1c8e11e1 | 249 | GFP_KERNEL, drv, iwl_req_fw_callback); |
15854ef9 JB |
250 | } |
251 | ||
0cedacc5 | 252 | struct fw_img_parsing { |
6dfa8d01 | 253 | struct fw_sec sec[IWL_UCODE_SECTION_MAX]; |
0cedacc5 DS |
254 | int sec_counter; |
255 | }; | |
256 | ||
ed8c8365 DS |
257 | /* |
258 | * struct fw_sec_parsing: to extract fw section and it's offset from tlv | |
259 | */ | |
260 | struct fw_sec_parsing { | |
261 | __le32 offset; | |
262 | const u8 data[]; | |
263 | } __packed; | |
264 | ||
265 | /** | |
266 | * struct iwl_tlv_calib_data - parse the default calib data from TLV | |
267 | * | |
268 | * @ucode_type: the uCode to which the following default calib relates. | |
269 | * @calib: default calibrations. | |
270 | */ | |
271 | struct iwl_tlv_calib_data { | |
272 | __le32 ucode_type; | |
aa2b1770 | 273 | struct iwl_tlv_calib_ctrl calib; |
ed8c8365 DS |
274 | } __packed; |
275 | ||
0cedacc5 DS |
276 | struct iwl_firmware_pieces { |
277 | struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; | |
15854ef9 JB |
278 | |
279 | u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; | |
280 | u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; | |
281 | }; | |
282 | ||
0cedacc5 DS |
283 | /* |
284 | * These functions are just to extract uCode section data from the pieces | |
285 | * structure. | |
286 | */ | |
287 | static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, | |
288 | enum iwl_ucode_type type, | |
289 | int sec) | |
290 | { | |
291 | return &pieces->img[type].sec[sec]; | |
292 | } | |
293 | ||
294 | static void set_sec_data(struct iwl_firmware_pieces *pieces, | |
295 | enum iwl_ucode_type type, | |
296 | int sec, | |
297 | const void *data) | |
298 | { | |
299 | pieces->img[type].sec[sec].data = data; | |
300 | } | |
301 | ||
302 | static void set_sec_size(struct iwl_firmware_pieces *pieces, | |
303 | enum iwl_ucode_type type, | |
304 | int sec, | |
305 | size_t size) | |
306 | { | |
307 | pieces->img[type].sec[sec].size = size; | |
308 | } | |
309 | ||
310 | static size_t get_sec_size(struct iwl_firmware_pieces *pieces, | |
311 | enum iwl_ucode_type type, | |
312 | int sec) | |
313 | { | |
314 | return pieces->img[type].sec[sec].size; | |
315 | } | |
316 | ||
317 | static void set_sec_offset(struct iwl_firmware_pieces *pieces, | |
318 | enum iwl_ucode_type type, | |
319 | int sec, | |
320 | u32 offset) | |
321 | { | |
322 | pieces->img[type].sec[sec].offset = offset; | |
323 | } | |
324 | ||
ed8c8365 DS |
325 | /* |
326 | * Gets uCode section from tlv. | |
327 | */ | |
328 | static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, | |
329 | const void *data, enum iwl_ucode_type type, | |
330 | int size) | |
331 | { | |
332 | struct fw_img_parsing *img; | |
333 | struct fw_sec *sec; | |
334 | struct fw_sec_parsing *sec_parse; | |
335 | ||
336 | if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) | |
337 | return -1; | |
338 | ||
339 | sec_parse = (struct fw_sec_parsing *)data; | |
340 | ||
341 | img = &pieces->img[type]; | |
342 | sec = &img->sec[img->sec_counter]; | |
343 | ||
344 | sec->offset = le32_to_cpu(sec_parse->offset); | |
345 | sec->data = sec_parse->data; | |
1176f431 | 346 | sec->size = size - sizeof(sec_parse->offset); |
ed8c8365 DS |
347 | |
348 | ++img->sec_counter; | |
349 | ||
350 | return 0; | |
351 | } | |
352 | ||
353 | static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) | |
354 | { | |
355 | struct iwl_tlv_calib_data *def_calib = | |
356 | (struct iwl_tlv_calib_data *)data; | |
357 | u32 ucode_type = le32_to_cpu(def_calib->ucode_type); | |
358 | if (ucode_type >= IWL_UCODE_TYPE_MAX) { | |
359 | IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", | |
360 | ucode_type); | |
361 | return -EINVAL; | |
362 | } | |
aa2b1770 JB |
363 | drv->fw.default_calib[ucode_type].flow_trigger = |
364 | def_calib->calib.flow_trigger; | |
365 | drv->fw.default_calib[ucode_type].event_trigger = | |
366 | def_calib->calib.event_trigger; | |
367 | ||
ed8c8365 DS |
368 | return 0; |
369 | } | |
370 | ||
965974a6 | 371 | static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, |
0cedacc5 DS |
372 | const struct firmware *ucode_raw, |
373 | struct iwl_firmware_pieces *pieces) | |
15854ef9 JB |
374 | { |
375 | struct iwl_ucode_header *ucode = (void *)ucode_raw->data; | |
376 | u32 api_ver, hdr_size, build; | |
377 | char buildstr[25]; | |
378 | const u8 *src; | |
379 | ||
965974a6 JB |
380 | drv->fw.ucode_ver = le32_to_cpu(ucode->ver); |
381 | api_ver = IWL_UCODE_API(drv->fw.ucode_ver); | |
15854ef9 JB |
382 | |
383 | switch (api_ver) { | |
384 | default: | |
385 | hdr_size = 28; | |
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 = le32_to_cpu(ucode->u.v2.build); | |
0cedacc5 DS |
391 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, |
392 | le32_to_cpu(ucode->u.v2.inst_size)); | |
393 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
394 | le32_to_cpu(ucode->u.v2.data_size)); | |
395 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
396 | le32_to_cpu(ucode->u.v2.init_size)); | |
397 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
398 | le32_to_cpu(ucode->u.v2.init_data_size)); | |
15854ef9 JB |
399 | src = ucode->u.v2.data; |
400 | break; | |
401 | case 0: | |
402 | case 1: | |
403 | case 2: | |
404 | hdr_size = 24; | |
405 | if (ucode_raw->size < hdr_size) { | |
965974a6 | 406 | IWL_ERR(drv, "File size too small!\n"); |
15854ef9 JB |
407 | return -EINVAL; |
408 | } | |
409 | build = 0; | |
0cedacc5 DS |
410 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, |
411 | le32_to_cpu(ucode->u.v1.inst_size)); | |
412 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
413 | le32_to_cpu(ucode->u.v1.data_size)); | |
414 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
415 | le32_to_cpu(ucode->u.v1.init_size)); | |
416 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
417 | le32_to_cpu(ucode->u.v1.init_data_size)); | |
15854ef9 JB |
418 | src = ucode->u.v1.data; |
419 | break; | |
420 | } | |
421 | ||
422 | if (build) | |
423 | sprintf(buildstr, " build %u%s", build, | |
965974a6 | 424 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) |
15854ef9 JB |
425 | ? " (EXP)" : ""); |
426 | else | |
427 | buildstr[0] = '\0'; | |
428 | ||
965974a6 JB |
429 | snprintf(drv->fw.fw_version, |
430 | sizeof(drv->fw.fw_version), | |
15854ef9 | 431 | "%u.%u.%u.%u%s", |
965974a6 JB |
432 | IWL_UCODE_MAJOR(drv->fw.ucode_ver), |
433 | IWL_UCODE_MINOR(drv->fw.ucode_ver), | |
434 | IWL_UCODE_API(drv->fw.ucode_ver), | |
435 | IWL_UCODE_SERIAL(drv->fw.ucode_ver), | |
15854ef9 JB |
436 | buildstr); |
437 | ||
438 | /* Verify size of file vs. image size info in file's header */ | |
0cedacc5 DS |
439 | |
440 | if (ucode_raw->size != hdr_size + | |
441 | get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + | |
442 | get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + | |
443 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + | |
444 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { | |
15854ef9 | 445 | |
965974a6 | 446 | IWL_ERR(drv, |
15854ef9 JB |
447 | "uCode file size %d does not match expected size\n", |
448 | (int)ucode_raw->size); | |
449 | return -EINVAL; | |
450 | } | |
451 | ||
15854ef9 | 452 | |
0cedacc5 DS |
453 | set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); |
454 | src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); | |
455 | set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, | |
456 | IWLAGN_RTC_INST_LOWER_BOUND); | |
457 | set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); | |
458 | src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); | |
459 | set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
460 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
461 | set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); | |
462 | src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); | |
463 | set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
464 | IWLAGN_RTC_INST_LOWER_BOUND); | |
465 | set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); | |
466 | src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); | |
467 | set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
468 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
469 | return 0; |
470 | } | |
471 | ||
965974a6 | 472 | static int iwl_parse_tlv_firmware(struct iwl_drv *drv, |
15854ef9 | 473 | const struct firmware *ucode_raw, |
0cedacc5 | 474 | struct iwl_firmware_pieces *pieces, |
15854ef9 JB |
475 | struct iwl_ucode_capabilities *capa) |
476 | { | |
477 | struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; | |
478 | struct iwl_ucode_tlv *tlv; | |
479 | size_t len = ucode_raw->size; | |
480 | const u8 *data; | |
15854ef9 JB |
481 | u32 tlv_len; |
482 | enum iwl_ucode_tlv_type tlv_type; | |
483 | const u8 *tlv_data; | |
484 | char buildstr[25]; | |
485 | u32 build; | |
486 | ||
487 | if (len < sizeof(*ucode)) { | |
965974a6 | 488 | IWL_ERR(drv, "uCode has invalid length: %zd\n", len); |
15854ef9 JB |
489 | return -EINVAL; |
490 | } | |
491 | ||
492 | if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { | |
965974a6 | 493 | IWL_ERR(drv, "invalid uCode magic: 0X%x\n", |
15854ef9 JB |
494 | le32_to_cpu(ucode->magic)); |
495 | return -EINVAL; | |
496 | } | |
497 | ||
965974a6 | 498 | drv->fw.ucode_ver = le32_to_cpu(ucode->ver); |
15854ef9 JB |
499 | build = le32_to_cpu(ucode->build); |
500 | ||
501 | if (build) | |
502 | sprintf(buildstr, " build %u%s", build, | |
965974a6 | 503 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) |
15854ef9 JB |
504 | ? " (EXP)" : ""); |
505 | else | |
506 | buildstr[0] = '\0'; | |
507 | ||
965974a6 JB |
508 | snprintf(drv->fw.fw_version, |
509 | sizeof(drv->fw.fw_version), | |
15854ef9 | 510 | "%u.%u.%u.%u%s", |
965974a6 JB |
511 | IWL_UCODE_MAJOR(drv->fw.ucode_ver), |
512 | IWL_UCODE_MINOR(drv->fw.ucode_ver), | |
513 | IWL_UCODE_API(drv->fw.ucode_ver), | |
514 | IWL_UCODE_SERIAL(drv->fw.ucode_ver), | |
15854ef9 JB |
515 | buildstr); |
516 | ||
517 | data = ucode->data; | |
518 | ||
519 | len -= sizeof(*ucode); | |
520 | ||
521 | while (len >= sizeof(*tlv)) { | |
15854ef9 JB |
522 | len -= sizeof(*tlv); |
523 | tlv = (void *)data; | |
524 | ||
525 | tlv_len = le32_to_cpu(tlv->length); | |
0479c19d | 526 | tlv_type = le32_to_cpu(tlv->type); |
15854ef9 JB |
527 | tlv_data = tlv->data; |
528 | ||
529 | if (len < tlv_len) { | |
965974a6 | 530 | IWL_ERR(drv, "invalid TLV len: %zd/%u\n", |
15854ef9 JB |
531 | len, tlv_len); |
532 | return -EINVAL; | |
533 | } | |
534 | len -= ALIGN(tlv_len, 4); | |
535 | data += sizeof(*tlv) + ALIGN(tlv_len, 4); | |
536 | ||
15854ef9 JB |
537 | switch (tlv_type) { |
538 | case IWL_UCODE_TLV_INST: | |
0cedacc5 DS |
539 | set_sec_data(pieces, IWL_UCODE_REGULAR, |
540 | IWL_UCODE_SECTION_INST, tlv_data); | |
541 | set_sec_size(pieces, IWL_UCODE_REGULAR, | |
542 | IWL_UCODE_SECTION_INST, tlv_len); | |
543 | set_sec_offset(pieces, IWL_UCODE_REGULAR, | |
544 | IWL_UCODE_SECTION_INST, | |
545 | IWLAGN_RTC_INST_LOWER_BOUND); | |
15854ef9 JB |
546 | break; |
547 | case IWL_UCODE_TLV_DATA: | |
0cedacc5 DS |
548 | set_sec_data(pieces, IWL_UCODE_REGULAR, |
549 | IWL_UCODE_SECTION_DATA, tlv_data); | |
550 | set_sec_size(pieces, IWL_UCODE_REGULAR, | |
551 | IWL_UCODE_SECTION_DATA, tlv_len); | |
552 | set_sec_offset(pieces, IWL_UCODE_REGULAR, | |
553 | IWL_UCODE_SECTION_DATA, | |
554 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
555 | break; |
556 | case IWL_UCODE_TLV_INIT: | |
0cedacc5 DS |
557 | set_sec_data(pieces, IWL_UCODE_INIT, |
558 | IWL_UCODE_SECTION_INST, tlv_data); | |
559 | set_sec_size(pieces, IWL_UCODE_INIT, | |
560 | IWL_UCODE_SECTION_INST, tlv_len); | |
561 | set_sec_offset(pieces, IWL_UCODE_INIT, | |
562 | IWL_UCODE_SECTION_INST, | |
563 | IWLAGN_RTC_INST_LOWER_BOUND); | |
15854ef9 JB |
564 | break; |
565 | case IWL_UCODE_TLV_INIT_DATA: | |
0cedacc5 DS |
566 | set_sec_data(pieces, IWL_UCODE_INIT, |
567 | IWL_UCODE_SECTION_DATA, tlv_data); | |
568 | set_sec_size(pieces, IWL_UCODE_INIT, | |
569 | IWL_UCODE_SECTION_DATA, tlv_len); | |
570 | set_sec_offset(pieces, IWL_UCODE_INIT, | |
571 | IWL_UCODE_SECTION_DATA, | |
572 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
573 | break; |
574 | case IWL_UCODE_TLV_BOOT: | |
965974a6 | 575 | IWL_ERR(drv, "Found unexpected BOOT ucode\n"); |
15854ef9 JB |
576 | break; |
577 | case IWL_UCODE_TLV_PROBE_MAX_LEN: | |
578 | if (tlv_len != sizeof(u32)) | |
579 | goto invalid_tlv_len; | |
580 | capa->max_probe_length = | |
581 | le32_to_cpup((__le32 *)tlv_data); | |
582 | break; | |
583 | case IWL_UCODE_TLV_PAN: | |
584 | if (tlv_len) | |
585 | goto invalid_tlv_len; | |
586 | capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; | |
587 | break; | |
588 | case IWL_UCODE_TLV_FLAGS: | |
589 | /* must be at least one u32 */ | |
590 | if (tlv_len < sizeof(u32)) | |
591 | goto invalid_tlv_len; | |
592 | /* and a proper number of u32s */ | |
593 | if (tlv_len % sizeof(u32)) | |
594 | goto invalid_tlv_len; | |
595 | /* | |
596 | * This driver only reads the first u32 as | |
597 | * right now no more features are defined, | |
598 | * if that changes then either the driver | |
599 | * will not work with the new firmware, or | |
600 | * it'll not take advantage of new features. | |
601 | */ | |
602 | capa->flags = le32_to_cpup((__le32 *)tlv_data); | |
603 | break; | |
604 | case IWL_UCODE_TLV_INIT_EVTLOG_PTR: | |
605 | if (tlv_len != sizeof(u32)) | |
606 | goto invalid_tlv_len; | |
607 | pieces->init_evtlog_ptr = | |
608 | le32_to_cpup((__le32 *)tlv_data); | |
609 | break; | |
610 | case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: | |
611 | if (tlv_len != sizeof(u32)) | |
612 | goto invalid_tlv_len; | |
613 | pieces->init_evtlog_size = | |
614 | le32_to_cpup((__le32 *)tlv_data); | |
615 | break; | |
616 | case IWL_UCODE_TLV_INIT_ERRLOG_PTR: | |
617 | if (tlv_len != sizeof(u32)) | |
618 | goto invalid_tlv_len; | |
619 | pieces->init_errlog_ptr = | |
620 | le32_to_cpup((__le32 *)tlv_data); | |
621 | break; | |
622 | case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: | |
623 | if (tlv_len != sizeof(u32)) | |
624 | goto invalid_tlv_len; | |
625 | pieces->inst_evtlog_ptr = | |
626 | le32_to_cpup((__le32 *)tlv_data); | |
627 | break; | |
628 | case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: | |
629 | if (tlv_len != sizeof(u32)) | |
630 | goto invalid_tlv_len; | |
631 | pieces->inst_evtlog_size = | |
632 | le32_to_cpup((__le32 *)tlv_data); | |
633 | break; | |
634 | case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: | |
635 | if (tlv_len != sizeof(u32)) | |
636 | goto invalid_tlv_len; | |
637 | pieces->inst_errlog_ptr = | |
638 | le32_to_cpup((__le32 *)tlv_data); | |
639 | break; | |
640 | case IWL_UCODE_TLV_ENHANCE_SENS_TBL: | |
641 | if (tlv_len) | |
642 | goto invalid_tlv_len; | |
965974a6 | 643 | drv->fw.enhance_sensitivity_table = true; |
15854ef9 JB |
644 | break; |
645 | case IWL_UCODE_TLV_WOWLAN_INST: | |
0cedacc5 DS |
646 | set_sec_data(pieces, IWL_UCODE_WOWLAN, |
647 | IWL_UCODE_SECTION_INST, tlv_data); | |
648 | set_sec_size(pieces, IWL_UCODE_WOWLAN, | |
649 | IWL_UCODE_SECTION_INST, tlv_len); | |
650 | set_sec_offset(pieces, IWL_UCODE_WOWLAN, | |
651 | IWL_UCODE_SECTION_INST, | |
652 | IWLAGN_RTC_INST_LOWER_BOUND); | |
15854ef9 JB |
653 | break; |
654 | case IWL_UCODE_TLV_WOWLAN_DATA: | |
0cedacc5 DS |
655 | set_sec_data(pieces, IWL_UCODE_WOWLAN, |
656 | IWL_UCODE_SECTION_DATA, tlv_data); | |
657 | set_sec_size(pieces, IWL_UCODE_WOWLAN, | |
658 | IWL_UCODE_SECTION_DATA, tlv_len); | |
659 | set_sec_offset(pieces, IWL_UCODE_WOWLAN, | |
660 | IWL_UCODE_SECTION_DATA, | |
661 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
662 | break; |
663 | case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: | |
664 | if (tlv_len != sizeof(u32)) | |
665 | goto invalid_tlv_len; | |
666 | capa->standard_phy_calibration_size = | |
667 | le32_to_cpup((__le32 *)tlv_data); | |
668 | break; | |
ed8c8365 DS |
669 | case IWL_UCODE_TLV_SEC_RT: |
670 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, | |
671 | tlv_len); | |
4db2c9ae | 672 | drv->fw.mvm_fw = true; |
ed8c8365 DS |
673 | break; |
674 | case IWL_UCODE_TLV_SEC_INIT: | |
675 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, | |
676 | tlv_len); | |
4db2c9ae | 677 | drv->fw.mvm_fw = true; |
ed8c8365 DS |
678 | break; |
679 | case IWL_UCODE_TLV_SEC_WOWLAN: | |
680 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, | |
681 | tlv_len); | |
4db2c9ae | 682 | drv->fw.mvm_fw = true; |
ed8c8365 DS |
683 | break; |
684 | case IWL_UCODE_TLV_DEF_CALIB: | |
685 | if (tlv_len != sizeof(struct iwl_tlv_calib_data)) | |
686 | goto invalid_tlv_len; | |
687 | if (iwl_set_default_calib(drv, tlv_data)) | |
688 | goto tlv_error; | |
689 | break; | |
690 | case IWL_UCODE_TLV_PHY_SKU: | |
691 | if (tlv_len != sizeof(u32)) | |
692 | goto invalid_tlv_len; | |
693 | drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); | |
694 | break; | |
15854ef9 | 695 | default: |
965974a6 | 696 | IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); |
15854ef9 JB |
697 | break; |
698 | } | |
699 | } | |
700 | ||
701 | if (len) { | |
965974a6 JB |
702 | IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); |
703 | iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); | |
15854ef9 JB |
704 | return -EINVAL; |
705 | } | |
706 | ||
707 | return 0; | |
708 | ||
709 | invalid_tlv_len: | |
965974a6 | 710 | IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); |
ed8c8365 | 711 | tlv_error: |
965974a6 | 712 | iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); |
15854ef9 JB |
713 | |
714 | return -EINVAL; | |
715 | } | |
716 | ||
75813bde JB |
717 | static int iwl_alloc_ucode(struct iwl_drv *drv, |
718 | struct iwl_firmware_pieces *pieces, | |
719 | enum iwl_ucode_type type) | |
6dfa8d01 DS |
720 | { |
721 | int i; | |
722 | for (i = 0; | |
723 | i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i); | |
724 | i++) | |
725 | if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]), | |
75813bde JB |
726 | get_sec(pieces, type, i))) |
727 | return -ENOMEM; | |
6dfa8d01 DS |
728 | return 0; |
729 | } | |
730 | ||
731 | static int validate_sec_sizes(struct iwl_drv *drv, | |
732 | struct iwl_firmware_pieces *pieces, | |
733 | const struct iwl_cfg *cfg) | |
734 | { | |
735 | IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n", | |
736 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
737 | IWL_UCODE_SECTION_INST)); | |
738 | IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n", | |
739 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
740 | IWL_UCODE_SECTION_DATA)); | |
741 | IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n", | |
742 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); | |
743 | IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n", | |
744 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); | |
745 | ||
746 | /* Verify that uCode images will fit in card's SRAM. */ | |
747 | if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > | |
748 | cfg->max_inst_size) { | |
749 | IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n", | |
750 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
751 | IWL_UCODE_SECTION_INST)); | |
752 | return -1; | |
753 | } | |
754 | ||
755 | if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > | |
756 | cfg->max_data_size) { | |
757 | IWL_ERR(drv, "uCode data len %Zd too large to fit in\n", | |
758 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
759 | IWL_UCODE_SECTION_DATA)); | |
760 | return -1; | |
761 | } | |
762 | ||
763 | if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > | |
764 | cfg->max_inst_size) { | |
765 | IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n", | |
766 | get_sec_size(pieces, IWL_UCODE_INIT, | |
767 | IWL_UCODE_SECTION_INST)); | |
768 | return -1; | |
769 | } | |
770 | ||
771 | if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > | |
772 | cfg->max_data_size) { | |
773 | IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n", | |
774 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
775 | IWL_UCODE_SECTION_DATA)); | |
776 | return -1; | |
777 | } | |
778 | return 0; | |
779 | } | |
780 | ||
9da987ac MV |
781 | static struct iwl_op_mode * |
782 | _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) | |
783 | { | |
784 | const struct iwl_op_mode_ops *ops = op->ops; | |
785 | struct dentry *dbgfs_dir = NULL; | |
786 | struct iwl_op_mode *op_mode = NULL; | |
787 | ||
788 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
789 | drv->dbgfs_op_mode = debugfs_create_dir(op->name, | |
790 | drv->dbgfs_drv); | |
791 | if (!drv->dbgfs_op_mode) { | |
792 | IWL_ERR(drv, | |
793 | "failed to create opmode debugfs directory\n"); | |
794 | return op_mode; | |
795 | } | |
796 | dbgfs_dir = drv->dbgfs_op_mode; | |
797 | #endif | |
798 | ||
799 | op_mode = ops->start(drv->trans, drv->cfg, &drv->fw, dbgfs_dir); | |
800 | ||
801 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
802 | if (!op_mode) { | |
803 | debugfs_remove_recursive(drv->dbgfs_op_mode); | |
804 | drv->dbgfs_op_mode = NULL; | |
805 | } | |
806 | #endif | |
807 | ||
808 | return op_mode; | |
809 | } | |
810 | ||
811 | static void _iwl_op_mode_stop(struct iwl_drv *drv) | |
812 | { | |
813 | /* op_mode can be NULL if its start failed */ | |
814 | if (drv->op_mode) { | |
815 | iwl_op_mode_stop(drv->op_mode); | |
816 | drv->op_mode = NULL; | |
817 | ||
818 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
819 | debugfs_remove_recursive(drv->dbgfs_op_mode); | |
820 | drv->dbgfs_op_mode = NULL; | |
821 | #endif | |
822 | } | |
823 | } | |
824 | ||
15854ef9 | 825 | /** |
1c8e11e1 | 826 | * iwl_req_fw_callback - callback when firmware was loaded |
15854ef9 JB |
827 | * |
828 | * If loaded successfully, copies the firmware into buffers | |
829 | * for the card to fetch (via DMA). | |
830 | */ | |
1c8e11e1 | 831 | static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) |
15854ef9 | 832 | { |
965974a6 | 833 | struct iwl_drv *drv = context; |
965974a6 | 834 | struct iwl_fw *fw = &drv->fw; |
15854ef9 | 835 | struct iwl_ucode_header *ucode; |
cc5f7e39 | 836 | struct iwlwifi_opmode_table *op; |
15854ef9 | 837 | int err; |
0cedacc5 | 838 | struct iwl_firmware_pieces pieces; |
68f360dc EG |
839 | const unsigned int api_max = drv->cfg->ucode_api_max; |
840 | unsigned int api_ok = drv->cfg->ucode_api_ok; | |
841 | const unsigned int api_min = drv->cfg->ucode_api_min; | |
15854ef9 | 842 | u32 api_ver; |
6dfa8d01 | 843 | int i; |
d4b10483 | 844 | bool load_module = false; |
15854ef9 | 845 | |
66140adc | 846 | fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; |
15854ef9 JB |
847 | fw->ucode_capa.standard_phy_calibration_size = |
848 | IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; | |
849 | ||
850 | if (!api_ok) | |
851 | api_ok = api_max; | |
852 | ||
853 | memset(&pieces, 0, sizeof(pieces)); | |
854 | ||
855 | if (!ucode_raw) { | |
965974a6 JB |
856 | if (drv->fw_index <= api_ok) |
857 | IWL_ERR(drv, | |
15854ef9 | 858 | "request for firmware file '%s' failed.\n", |
965974a6 | 859 | drv->firmware_name); |
15854ef9 JB |
860 | goto try_again; |
861 | } | |
862 | ||
965974a6 JB |
863 | IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", |
864 | drv->firmware_name, ucode_raw->size); | |
15854ef9 JB |
865 | |
866 | /* Make sure that we got at least the API version number */ | |
867 | if (ucode_raw->size < 4) { | |
965974a6 | 868 | IWL_ERR(drv, "File size way too small!\n"); |
15854ef9 JB |
869 | goto try_again; |
870 | } | |
871 | ||
872 | /* Data from ucode file: header followed by uCode images */ | |
873 | ucode = (struct iwl_ucode_header *)ucode_raw->data; | |
874 | ||
875 | if (ucode->ver) | |
965974a6 | 876 | err = iwl_parse_v1_v2_firmware(drv, ucode_raw, &pieces); |
15854ef9 | 877 | else |
965974a6 | 878 | err = iwl_parse_tlv_firmware(drv, ucode_raw, &pieces, |
15854ef9 JB |
879 | &fw->ucode_capa); |
880 | ||
881 | if (err) | |
882 | goto try_again; | |
883 | ||
965974a6 | 884 | api_ver = IWL_UCODE_API(drv->fw.ucode_ver); |
15854ef9 JB |
885 | |
886 | /* | |
887 | * api_ver should match the api version forming part of the | |
888 | * firmware filename ... but we don't check for that and only rely | |
889 | * on the API version read from firmware header from here on forward | |
890 | */ | |
891 | /* no api version check required for experimental uCode */ | |
965974a6 | 892 | if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) { |
15854ef9 | 893 | if (api_ver < api_min || api_ver > api_max) { |
965974a6 | 894 | IWL_ERR(drv, |
15854ef9 JB |
895 | "Driver unable to support your firmware API. " |
896 | "Driver supports v%u, firmware is v%u.\n", | |
897 | api_max, api_ver); | |
898 | goto try_again; | |
899 | } | |
900 | ||
901 | if (api_ver < api_ok) { | |
902 | if (api_ok != api_max) | |
965974a6 | 903 | IWL_ERR(drv, "Firmware has old API version, " |
15854ef9 JB |
904 | "expected v%u through v%u, got v%u.\n", |
905 | api_ok, api_max, api_ver); | |
906 | else | |
965974a6 | 907 | IWL_ERR(drv, "Firmware has old API version, " |
15854ef9 JB |
908 | "expected v%u, got v%u.\n", |
909 | api_max, api_ver); | |
965974a6 | 910 | IWL_ERR(drv, "New firmware can be obtained from " |
15854ef9 JB |
911 | "http://www.intellinuxwireless.org/.\n"); |
912 | } | |
913 | } | |
914 | ||
4db2c9ae DS |
915 | /* |
916 | * In mvm uCode there is no difference between data and instructions | |
917 | * sections. | |
918 | */ | |
68f360dc | 919 | if (!fw->mvm_fw && validate_sec_sizes(drv, &pieces, drv->cfg)) |
15854ef9 | 920 | goto try_again; |
15854ef9 JB |
921 | |
922 | /* Allocate ucode buffers for card's bus-master loading ... */ | |
923 | ||
924 | /* Runtime instructions and 2 copies of data: | |
925 | * 1) unmodified from disk | |
926 | * 2) backup cache for save/restore during power-downs */ | |
6dfa8d01 | 927 | for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) |
75813bde JB |
928 | if (iwl_alloc_ucode(drv, &pieces, i)) |
929 | goto out_free_fw; | |
15854ef9 JB |
930 | |
931 | /* Now that we can no longer fail, copy information */ | |
932 | ||
933 | /* | |
934 | * The (size - 16) / 12 formula is based on the information recorded | |
935 | * for each event, which is of mode 1 (including timestamp) for all | |
936 | * new microcodes that include this information. | |
937 | */ | |
0692fe41 | 938 | fw->init_evtlog_ptr = pieces.init_evtlog_ptr; |
15854ef9 | 939 | if (pieces.init_evtlog_size) |
0692fe41 | 940 | fw->init_evtlog_size = (pieces.init_evtlog_size - 16)/12; |
15854ef9 | 941 | else |
0692fe41 | 942 | fw->init_evtlog_size = |
68f360dc | 943 | drv->cfg->base_params->max_event_log_size; |
0692fe41 JB |
944 | fw->init_errlog_ptr = pieces.init_errlog_ptr; |
945 | fw->inst_evtlog_ptr = pieces.inst_evtlog_ptr; | |
15854ef9 | 946 | if (pieces.inst_evtlog_size) |
0692fe41 | 947 | fw->inst_evtlog_size = (pieces.inst_evtlog_size - 16)/12; |
15854ef9 | 948 | else |
0692fe41 | 949 | fw->inst_evtlog_size = |
68f360dc | 950 | drv->cfg->base_params->max_event_log_size; |
0692fe41 | 951 | fw->inst_errlog_ptr = pieces.inst_errlog_ptr; |
15854ef9 JB |
952 | |
953 | /* | |
954 | * figure out the offset of chain noise reset and gain commands | |
955 | * base on the size of standard phy calibration commands table size | |
956 | */ | |
957 | if (fw->ucode_capa.standard_phy_calibration_size > | |
958 | IWL_MAX_PHY_CALIBRATE_TBL_SIZE) | |
959 | fw->ucode_capa.standard_phy_calibration_size = | |
960 | IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; | |
961 | ||
962 | /* We have our copies now, allow OS release its copies */ | |
963 | release_firmware(ucode_raw); | |
15854ef9 | 964 | |
ff1ffb85 | 965 | mutex_lock(&iwlwifi_opmode_table_mtx); |
8ca151b5 JB |
966 | if (fw->mvm_fw) |
967 | op = &iwlwifi_opmode_table[MVM_OP_MODE]; | |
968 | else | |
969 | op = &iwlwifi_opmode_table[DVM_OP_MODE]; | |
15854ef9 | 970 | |
2b2719c7 JB |
971 | IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", |
972 | drv->fw.fw_version, op->name); | |
973 | ||
cc5f7e39 DF |
974 | /* add this device to the list of devices using this op_mode */ |
975 | list_add_tail(&drv->list, &op->drv); | |
976 | ||
977 | if (op->ops) { | |
9da987ac | 978 | drv->op_mode = _iwl_op_mode_start(drv, op); |
7c9c46c1 | 979 | |
daf67ce8 DC |
980 | if (!drv->op_mode) { |
981 | mutex_unlock(&iwlwifi_opmode_table_mtx); | |
7c9c46c1 | 982 | goto out_unbind; |
daf67ce8 | 983 | } |
cc5f7e39 | 984 | } else { |
d4b10483 | 985 | load_module = true; |
cc5f7e39 | 986 | } |
ff1ffb85 | 987 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
15854ef9 | 988 | |
f69a23b7 JB |
989 | /* |
990 | * Complete the firmware request last so that | |
991 | * a driver unbind (stop) doesn't run while we | |
992 | * are doing the start() above. | |
993 | */ | |
994 | complete(&drv->request_firmware_complete); | |
d4b10483 JB |
995 | |
996 | /* | |
997 | * Load the module last so we don't block anything | |
998 | * else from proceeding if the module fails to load | |
999 | * or hangs loading. | |
1000 | */ | |
1618b2b0 JB |
1001 | if (load_module) { |
1002 | err = request_module("%s", op->name); | |
8edf3fd6 | 1003 | #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR |
1618b2b0 JB |
1004 | if (err) |
1005 | IWL_ERR(drv, | |
1006 | "failed to load module %s (error %d), is dynamic loading enabled?\n", | |
1007 | op->name, err); | |
8edf3fd6 | 1008 | #endif |
1618b2b0 | 1009 | } |
15854ef9 JB |
1010 | return; |
1011 | ||
1012 | try_again: | |
1013 | /* try next, if any */ | |
1014 | release_firmware(ucode_raw); | |
965974a6 | 1015 | if (iwl_request_firmware(drv, false)) |
15854ef9 JB |
1016 | goto out_unbind; |
1017 | return; | |
1018 | ||
75813bde | 1019 | out_free_fw: |
965974a6 JB |
1020 | IWL_ERR(drv, "failed to allocate pci memory\n"); |
1021 | iwl_dealloc_ucode(drv); | |
15854ef9 JB |
1022 | release_firmware(ucode_raw); |
1023 | out_unbind: | |
965974a6 | 1024 | complete(&drv->request_firmware_complete); |
93faaeea | 1025 | device_release_driver(drv->trans->dev); |
15854ef9 JB |
1026 | } |
1027 | ||
87ce05a2 | 1028 | struct iwl_drv *iwl_drv_start(struct iwl_trans *trans, |
9130bab1 | 1029 | const struct iwl_cfg *cfg) |
5c58edc6 | 1030 | { |
965974a6 | 1031 | struct iwl_drv *drv; |
5c58edc6 EG |
1032 | int ret; |
1033 | ||
965974a6 | 1034 | drv = kzalloc(sizeof(*drv), GFP_KERNEL); |
eafe25e0 LC |
1035 | if (!drv) { |
1036 | ret = -ENOMEM; | |
1037 | goto err; | |
1038 | } | |
c15797e6 | 1039 | |
9130bab1 | 1040 | drv->trans = trans; |
4b9844f5 | 1041 | drv->dev = trans->dev; |
68f360dc | 1042 | drv->cfg = cfg; |
5c58edc6 | 1043 | |
965974a6 | 1044 | init_completion(&drv->request_firmware_complete); |
ff1ffb85 | 1045 | INIT_LIST_HEAD(&drv->list); |
5c58edc6 | 1046 | |
9da987ac MV |
1047 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
1048 | /* Create the device debugfs entries. */ | |
1049 | drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), | |
1050 | iwl_dbgfs_root); | |
1051 | ||
1052 | if (!drv->dbgfs_drv) { | |
1053 | IWL_ERR(drv, "failed to create debugfs directory\n"); | |
59f547ac | 1054 | ret = -ENOMEM; |
9da987ac MV |
1055 | goto err_free_drv; |
1056 | } | |
1057 | ||
1058 | /* Create transport layer debugfs dir */ | |
1059 | drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); | |
1060 | ||
1061 | if (!drv->trans->dbgfs_dir) { | |
1062 | IWL_ERR(drv, "failed to create transport debugfs directory\n"); | |
59f547ac | 1063 | ret = -ENOMEM; |
9da987ac MV |
1064 | goto err_free_dbgfs; |
1065 | } | |
1066 | #endif | |
1067 | ||
965974a6 | 1068 | ret = iwl_request_firmware(drv, true); |
5c58edc6 | 1069 | if (ret) { |
c15797e6 | 1070 | IWL_ERR(trans, "Couldn't request the fw\n"); |
9da987ac | 1071 | goto err_fw; |
5c58edc6 EG |
1072 | } |
1073 | ||
9da987ac MV |
1074 | return drv; |
1075 | ||
1076 | err_fw: | |
1077 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1078 | err_free_dbgfs: | |
1079 | debugfs_remove_recursive(drv->dbgfs_drv); | |
1080 | err_free_drv: | |
1081 | #endif | |
1082 | kfree(drv); | |
eafe25e0 | 1083 | err: |
59f547ac | 1084 | return ERR_PTR(ret); |
5c58edc6 EG |
1085 | } |
1086 | ||
9130bab1 | 1087 | void iwl_drv_stop(struct iwl_drv *drv) |
07590f08 | 1088 | { |
965974a6 | 1089 | wait_for_completion(&drv->request_firmware_complete); |
2e7eb117 | 1090 | |
9da987ac | 1091 | _iwl_op_mode_stop(drv); |
07590f08 | 1092 | |
965974a6 | 1093 | iwl_dealloc_ucode(drv); |
7db5b989 | 1094 | |
ff1ffb85 JB |
1095 | mutex_lock(&iwlwifi_opmode_table_mtx); |
1096 | /* | |
1097 | * List is empty (this item wasn't added) | |
1098 | * when firmware loading failed -- in that | |
1099 | * case we can't remove it from any list. | |
1100 | */ | |
1101 | if (!list_empty(&drv->list)) | |
1102 | list_del(&drv->list); | |
1103 | mutex_unlock(&iwlwifi_opmode_table_mtx); | |
1104 | ||
9da987ac MV |
1105 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
1106 | debugfs_remove_recursive(drv->dbgfs_drv); | |
1107 | #endif | |
1108 | ||
965974a6 | 1109 | kfree(drv); |
07590f08 | 1110 | } |
65de7e84 JB |
1111 | |
1112 | ||
1113 | /* shared module parameters */ | |
1114 | struct iwl_mod_params iwlwifi_mod_params = { | |
490953ac | 1115 | .restart_fw = true, |
65de7e84 JB |
1116 | .bt_coex_active = true, |
1117 | .power_level = IWL_POWER_INDEX_1, | |
020c8767 | 1118 | .wd_disable = true, |
65de7e84 JB |
1119 | /* the rest are 0 by default */ |
1120 | }; | |
48e29340 | 1121 | IWL_EXPORT_SYMBOL(iwlwifi_mod_params); |
cc5f7e39 DF |
1122 | |
1123 | int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) | |
1124 | { | |
1125 | int i; | |
1126 | struct iwl_drv *drv; | |
9da987ac | 1127 | struct iwlwifi_opmode_table *op; |
cc5f7e39 | 1128 | |
ff1ffb85 | 1129 | mutex_lock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 | 1130 | for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { |
9da987ac MV |
1131 | op = &iwlwifi_opmode_table[i]; |
1132 | if (strcmp(op->name, name)) | |
cc5f7e39 | 1133 | continue; |
9da987ac MV |
1134 | op->ops = ops; |
1135 | /* TODO: need to handle exceptional case */ | |
1136 | list_for_each_entry(drv, &op->drv, list) | |
1137 | drv->op_mode = _iwl_op_mode_start(drv, op); | |
1138 | ||
ff1ffb85 | 1139 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 DF |
1140 | return 0; |
1141 | } | |
ff1ffb85 | 1142 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 DF |
1143 | return -EIO; |
1144 | } | |
48e29340 | 1145 | IWL_EXPORT_SYMBOL(iwl_opmode_register); |
cc5f7e39 DF |
1146 | |
1147 | void iwl_opmode_deregister(const char *name) | |
1148 | { | |
1149 | int i; | |
1150 | struct iwl_drv *drv; | |
1151 | ||
ff1ffb85 | 1152 | mutex_lock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 DF |
1153 | for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { |
1154 | if (strcmp(iwlwifi_opmode_table[i].name, name)) | |
1155 | continue; | |
1156 | iwlwifi_opmode_table[i].ops = NULL; | |
1157 | ||
1158 | /* call the stop routine for all devices */ | |
9da987ac MV |
1159 | list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) |
1160 | _iwl_op_mode_stop(drv); | |
1161 | ||
ff1ffb85 | 1162 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 DF |
1163 | return; |
1164 | } | |
ff1ffb85 | 1165 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 | 1166 | } |
48e29340 | 1167 | IWL_EXPORT_SYMBOL(iwl_opmode_deregister); |
cc5f7e39 DF |
1168 | |
1169 | static int __init iwl_drv_init(void) | |
1170 | { | |
1171 | int i; | |
1172 | ||
ff1ffb85 JB |
1173 | mutex_init(&iwlwifi_opmode_table_mtx); |
1174 | ||
cc5f7e39 DF |
1175 | for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) |
1176 | INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); | |
1177 | ||
1178 | pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n"); | |
1179 | pr_info(DRV_COPYRIGHT "\n"); | |
1180 | ||
9da987ac MV |
1181 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
1182 | /* Create the root of iwlwifi debugfs subsystem. */ | |
1183 | iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); | |
1184 | ||
1185 | if (!iwl_dbgfs_root) | |
1186 | return -EFAULT; | |
1187 | #endif | |
1188 | ||
cc5f7e39 DF |
1189 | return iwl_pci_register_driver(); |
1190 | } | |
1191 | module_init(iwl_drv_init); | |
1192 | ||
1193 | static void __exit iwl_drv_exit(void) | |
1194 | { | |
1195 | iwl_pci_unregister_driver(); | |
9da987ac MV |
1196 | |
1197 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1198 | debugfs_remove_recursive(iwl_dbgfs_root); | |
1199 | #endif | |
cc5f7e39 DF |
1200 | } |
1201 | module_exit(iwl_drv_exit); | |
65de7e84 JB |
1202 | |
1203 | #ifdef CONFIG_IWLWIFI_DEBUG | |
1204 | module_param_named(debug, iwlwifi_mod_params.debug_level, uint, | |
1205 | S_IRUGO | S_IWUSR); | |
1206 | MODULE_PARM_DESC(debug, "debug output mask"); | |
1207 | #endif | |
1208 | ||
1209 | module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO); | |
1210 | MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); | |
1211 | module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO); | |
1212 | MODULE_PARM_DESC(11n_disable, | |
1213 | "disable 11n functionality, bitmap: 1: full, 2: agg TX, 4: agg RX"); | |
1214 | module_param_named(amsdu_size_8K, iwlwifi_mod_params.amsdu_size_8K, | |
1215 | int, S_IRUGO); | |
aed7d9ac | 1216 | MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size (default 0)"); |
490953ac EG |
1217 | module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO); |
1218 | MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); | |
65de7e84 JB |
1219 | |
1220 | module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling, | |
1221 | int, S_IRUGO); | |
1222 | MODULE_PARM_DESC(antenna_coupling, | |
1223 | "specify antenna coupling in dB (defualt: 0 dB)"); | |
1224 | ||
65de7e84 JB |
1225 | module_param_named(wd_disable, iwlwifi_mod_params.wd_disable, int, S_IRUGO); |
1226 | MODULE_PARM_DESC(wd_disable, | |
1227 | "Disable stuck queue watchdog timer 0=system default, " | |
1228 | "1=disable, 2=enable (default: 0)"); | |
1229 | ||
1214755c EH |
1230 | module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO); |
1231 | MODULE_PARM_DESC(nvm_file, "NVM file name"); | |
1232 | ||
65de7e84 JB |
1233 | /* |
1234 | * set bt_coex_active to true, uCode will do kill/defer | |
1235 | * every time the priority line is asserted (BT is sending signals on the | |
1236 | * priority line in the PCIx). | |
1237 | * set bt_coex_active to false, uCode will ignore the BT activity and | |
1238 | * perform the normal operation | |
1239 | * | |
1240 | * User might experience transmit issue on some platform due to WiFi/BT | |
1241 | * co-exist problem. The possible behaviors are: | |
1242 | * Able to scan and finding all the available AP | |
1243 | * Not able to associate with any AP | |
1244 | * On those platforms, WiFi communication can be restored by set | |
1245 | * "bt_coex_active" module parameter to "false" | |
1246 | * | |
1247 | * default: bt_coex_active = true (BT_COEX_ENABLE) | |
1248 | */ | |
1249 | module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, | |
1250 | bool, S_IRUGO); | |
1251 | MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); | |
1252 | ||
1253 | module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO); | |
1254 | MODULE_PARM_DESC(led_mode, "0=system default, " | |
1255 | "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); | |
1256 | ||
1257 | module_param_named(power_save, iwlwifi_mod_params.power_save, | |
1258 | bool, S_IRUGO); | |
1259 | MODULE_PARM_DESC(power_save, | |
1260 | "enable WiFi power management (default: disable)"); | |
1261 | ||
1262 | module_param_named(power_level, iwlwifi_mod_params.power_level, | |
1263 | int, S_IRUGO); | |
1264 | MODULE_PARM_DESC(power_level, | |
1265 | "default power save level (range from 1 - 5, default: 1)"); |