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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 | * | |
51368bf7 | 8 | * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved. |
8b4139dc | 9 | * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH |
5c58edc6 EG |
10 | * |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of version 2 of the GNU General Public License as | |
13 | * published by the Free Software Foundation. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, but | |
16 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | * General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, | |
23 | * USA | |
24 | * | |
25 | * The full GNU General Public License is included in this distribution | |
410dc5aa | 26 | * in the file called COPYING. |
5c58edc6 EG |
27 | * |
28 | * Contact Information: | |
29 | * Intel Linux Wireless <ilw@linux.intel.com> | |
30 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
31 | * | |
32 | * BSD LICENSE | |
33 | * | |
51368bf7 | 34 | * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. |
8b4139dc | 35 | * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH |
5c58edc6 EG |
36 | * All rights reserved. |
37 | * | |
38 | * Redistribution and use in source and binary forms, with or without | |
39 | * modification, are permitted provided that the following conditions | |
40 | * are met: | |
41 | * | |
42 | * * Redistributions of source code must retain the above copyright | |
43 | * notice, this list of conditions and the following disclaimer. | |
44 | * * Redistributions in binary form must reproduce the above copyright | |
45 | * notice, this list of conditions and the following disclaimer in | |
46 | * the documentation and/or other materials provided with the | |
47 | * distribution. | |
48 | * * Neither the name Intel Corporation nor the names of its | |
49 | * contributors may be used to endorse or promote products derived | |
50 | * from this software without specific prior written permission. | |
51 | * | |
52 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
53 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
54 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
55 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
56 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
57 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
58 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
59 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
60 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
61 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
62 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
63 | * | |
64 | *****************************************************************************/ | |
65 | #include <linux/completion.h> | |
15854ef9 JB |
66 | #include <linux/dma-mapping.h> |
67 | #include <linux/firmware.h> | |
68 | #include <linux/module.h> | |
83f84d7b | 69 | #include <linux/vmalloc.h> |
5c58edc6 EG |
70 | |
71 | #include "iwl-drv.h" | |
2bf65081 | 72 | #include "iwl-csr.h" |
c15797e6 | 73 | #include "iwl-debug.h" |
5c58edc6 | 74 | #include "iwl-trans.h" |
d0f76d68 | 75 | #include "iwl-op-mode.h" |
0cedacc5 | 76 | #include "iwl-agn-hw.h" |
6238b008 JB |
77 | #include "iwl-fw.h" |
78 | #include "iwl-config.h" | |
65de7e84 | 79 | #include "iwl-modparams.h" |
5c58edc6 | 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 */ | |
84b0312e | 131 | char firmware_name[32]; /* name of firmware file to load */ |
965974a6 JB |
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 | |
762533ba DS |
158 | #define IWL_DEFAULT_SCAN_CHANNELS 40 |
159 | ||
0cedacc5 DS |
160 | /* |
161 | * struct fw_sec: Just for the image parsing proccess. | |
162 | * For the fw storage we are using struct fw_desc. | |
163 | */ | |
164 | struct fw_sec { | |
165 | const void *data; /* the sec data */ | |
166 | size_t size; /* section size */ | |
167 | u32 offset; /* offset of writing in the device */ | |
168 | }; | |
169 | ||
965974a6 | 170 | static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc) |
15854ef9 | 171 | { |
83f84d7b JB |
172 | vfree(desc->data); |
173 | desc->data = NULL; | |
15854ef9 JB |
174 | desc->len = 0; |
175 | } | |
176 | ||
965974a6 | 177 | static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img) |
15854ef9 | 178 | { |
6dfa8d01 DS |
179 | int i; |
180 | for (i = 0; i < IWL_UCODE_SECTION_MAX; i++) | |
181 | iwl_free_fw_desc(drv, &img->sec[i]); | |
15854ef9 JB |
182 | } |
183 | ||
965974a6 | 184 | static void iwl_dealloc_ucode(struct iwl_drv *drv) |
15854ef9 | 185 | { |
6dfa8d01 | 186 | int i; |
490fefeb LK |
187 | |
188 | kfree(drv->fw.dbg_dest_tlv); | |
189 | for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) | |
190 | kfree(drv->fw.dbg_conf_tlv[i]); | |
191 | ||
6dfa8d01 DS |
192 | for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) |
193 | iwl_free_fw_img(drv, drv->fw.img + i); | |
15854ef9 JB |
194 | } |
195 | ||
965974a6 | 196 | static int iwl_alloc_fw_desc(struct iwl_drv *drv, struct fw_desc *desc, |
83f84d7b | 197 | struct fw_sec *sec) |
15854ef9 | 198 | { |
83f84d7b JB |
199 | void *data; |
200 | ||
201 | desc->data = NULL; | |
202 | ||
203 | if (!sec || !sec->size) | |
15854ef9 | 204 | return -EINVAL; |
15854ef9 | 205 | |
83f84d7b JB |
206 | data = vmalloc(sec->size); |
207 | if (!data) | |
15854ef9 JB |
208 | return -ENOMEM; |
209 | ||
0cedacc5 DS |
210 | desc->len = sec->size; |
211 | desc->offset = sec->offset; | |
83f84d7b JB |
212 | memcpy(data, sec->data, desc->len); |
213 | desc->data = data; | |
214 | ||
15854ef9 JB |
215 | return 0; |
216 | } | |
217 | ||
1c8e11e1 EG |
218 | static void iwl_req_fw_callback(const struct firmware *ucode_raw, |
219 | void *context); | |
15854ef9 JB |
220 | |
221 | #define UCODE_EXPERIMENTAL_INDEX 100 | |
222 | #define UCODE_EXPERIMENTAL_TAG "exp" | |
223 | ||
965974a6 | 224 | static int iwl_request_firmware(struct iwl_drv *drv, bool first) |
15854ef9 | 225 | { |
68f360dc | 226 | const char *name_pre = drv->cfg->fw_name_pre; |
15854ef9 JB |
227 | char tag[8]; |
228 | ||
229 | if (first) { | |
230 | #ifdef CONFIG_IWLWIFI_DEBUG_EXPERIMENTAL_UCODE | |
965974a6 | 231 | drv->fw_index = UCODE_EXPERIMENTAL_INDEX; |
15854ef9 | 232 | strcpy(tag, UCODE_EXPERIMENTAL_TAG); |
965974a6 | 233 | } else if (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) { |
15854ef9 | 234 | #endif |
68f360dc | 235 | drv->fw_index = drv->cfg->ucode_api_max; |
965974a6 | 236 | sprintf(tag, "%d", drv->fw_index); |
15854ef9 | 237 | } else { |
965974a6 JB |
238 | drv->fw_index--; |
239 | sprintf(tag, "%d", drv->fw_index); | |
15854ef9 JB |
240 | } |
241 | ||
68f360dc | 242 | if (drv->fw_index < drv->cfg->ucode_api_min) { |
965974a6 | 243 | IWL_ERR(drv, "no suitable firmware found!\n"); |
15854ef9 JB |
244 | return -ENOENT; |
245 | } | |
246 | ||
84b0312e LK |
247 | snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", |
248 | name_pre, tag); | |
15854ef9 | 249 | |
2bf65081 LK |
250 | /* |
251 | * Starting 8000B - FW name format has changed. This overwrites the | |
252 | * previous name and uses the new format. | |
977654b1 LK |
253 | * |
254 | * TODO: | |
255 | * Once there is only one supported step for 8000 family - delete this! | |
2bf65081 LK |
256 | */ |
257 | if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) { | |
258 | char rev_step[2] = { | |
259 | 'A' + CSR_HW_REV_STEP(drv->trans->hw_rev), 0 | |
260 | }; | |
261 | ||
262 | /* A-step doesn't have an indication */ | |
263 | if (CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_A_STEP) | |
264 | rev_step[0] = 0; | |
265 | ||
977654b1 LK |
266 | /* |
267 | * If hw_rev wasn't set yet - default as B-step. If it IS A-step | |
268 | * we'll reload that FW later instead. | |
269 | */ | |
270 | if (drv->trans->hw_rev == 0) | |
271 | rev_step[0] = 'B'; | |
272 | ||
2bf65081 LK |
273 | snprintf(drv->firmware_name, sizeof(drv->firmware_name), |
274 | "%s%s-%s.ucode", name_pre, rev_step, tag); | |
275 | } | |
276 | ||
965974a6 JB |
277 | IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n", |
278 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) | |
15854ef9 | 279 | ? "EXPERIMENTAL " : "", |
965974a6 | 280 | drv->firmware_name); |
15854ef9 | 281 | |
965974a6 | 282 | return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name, |
93faaeea | 283 | drv->trans->dev, |
1c8e11e1 | 284 | GFP_KERNEL, drv, iwl_req_fw_callback); |
15854ef9 JB |
285 | } |
286 | ||
0cedacc5 | 287 | struct fw_img_parsing { |
6dfa8d01 | 288 | struct fw_sec sec[IWL_UCODE_SECTION_MAX]; |
0cedacc5 DS |
289 | int sec_counter; |
290 | }; | |
291 | ||
ed8c8365 DS |
292 | /* |
293 | * struct fw_sec_parsing: to extract fw section and it's offset from tlv | |
294 | */ | |
295 | struct fw_sec_parsing { | |
296 | __le32 offset; | |
297 | const u8 data[]; | |
298 | } __packed; | |
299 | ||
300 | /** | |
301 | * struct iwl_tlv_calib_data - parse the default calib data from TLV | |
302 | * | |
303 | * @ucode_type: the uCode to which the following default calib relates. | |
304 | * @calib: default calibrations. | |
305 | */ | |
306 | struct iwl_tlv_calib_data { | |
307 | __le32 ucode_type; | |
aa2b1770 | 308 | struct iwl_tlv_calib_ctrl calib; |
ed8c8365 DS |
309 | } __packed; |
310 | ||
0cedacc5 DS |
311 | struct iwl_firmware_pieces { |
312 | struct fw_img_parsing img[IWL_UCODE_TYPE_MAX]; | |
15854ef9 JB |
313 | |
314 | u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr; | |
315 | u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr; | |
490fefeb LK |
316 | |
317 | /* FW debug data parsed for driver usage */ | |
318 | struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv; | |
319 | struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_MAX]; | |
320 | size_t dbg_conf_tlv_len[FW_DBG_MAX]; | |
15854ef9 JB |
321 | }; |
322 | ||
0cedacc5 DS |
323 | /* |
324 | * These functions are just to extract uCode section data from the pieces | |
325 | * structure. | |
326 | */ | |
327 | static struct fw_sec *get_sec(struct iwl_firmware_pieces *pieces, | |
328 | enum iwl_ucode_type type, | |
329 | int sec) | |
330 | { | |
331 | return &pieces->img[type].sec[sec]; | |
332 | } | |
333 | ||
334 | static void set_sec_data(struct iwl_firmware_pieces *pieces, | |
335 | enum iwl_ucode_type type, | |
336 | int sec, | |
337 | const void *data) | |
338 | { | |
339 | pieces->img[type].sec[sec].data = data; | |
340 | } | |
341 | ||
342 | static void set_sec_size(struct iwl_firmware_pieces *pieces, | |
343 | enum iwl_ucode_type type, | |
344 | int sec, | |
345 | size_t size) | |
346 | { | |
347 | pieces->img[type].sec[sec].size = size; | |
348 | } | |
349 | ||
350 | static size_t get_sec_size(struct iwl_firmware_pieces *pieces, | |
351 | enum iwl_ucode_type type, | |
352 | int sec) | |
353 | { | |
354 | return pieces->img[type].sec[sec].size; | |
355 | } | |
356 | ||
357 | static void set_sec_offset(struct iwl_firmware_pieces *pieces, | |
358 | enum iwl_ucode_type type, | |
359 | int sec, | |
360 | u32 offset) | |
361 | { | |
362 | pieces->img[type].sec[sec].offset = offset; | |
363 | } | |
364 | ||
e36e5433 MS |
365 | static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) |
366 | { | |
367 | int i, j; | |
368 | struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data; | |
369 | struct iwl_fw_cipher_scheme *fwcs; | |
370 | struct ieee80211_cipher_scheme *cs; | |
371 | u32 cipher; | |
372 | ||
373 | if (len < sizeof(*l) || | |
374 | len < sizeof(l->size) + l->size * sizeof(l->cs[0])) | |
375 | return -EINVAL; | |
376 | ||
377 | for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) { | |
378 | fwcs = &l->cs[j]; | |
379 | cipher = le32_to_cpu(fwcs->cipher); | |
380 | ||
381 | /* we skip schemes with zero cipher suite selector */ | |
382 | if (!cipher) | |
383 | continue; | |
384 | ||
385 | cs = &fw->cs[j++]; | |
386 | cs->cipher = cipher; | |
387 | cs->iftype = BIT(NL80211_IFTYPE_STATION); | |
388 | cs->hdr_len = fwcs->hdr_len; | |
389 | cs->pn_len = fwcs->pn_len; | |
390 | cs->pn_off = fwcs->pn_off; | |
391 | cs->key_idx_off = fwcs->key_idx_off; | |
392 | cs->key_idx_mask = fwcs->key_idx_mask; | |
393 | cs->key_idx_shift = fwcs->key_idx_shift; | |
394 | cs->mic_len = fwcs->mic_len; | |
395 | } | |
396 | ||
397 | return 0; | |
398 | } | |
399 | ||
ed8c8365 DS |
400 | /* |
401 | * Gets uCode section from tlv. | |
402 | */ | |
403 | static int iwl_store_ucode_sec(struct iwl_firmware_pieces *pieces, | |
404 | const void *data, enum iwl_ucode_type type, | |
405 | int size) | |
406 | { | |
407 | struct fw_img_parsing *img; | |
408 | struct fw_sec *sec; | |
409 | struct fw_sec_parsing *sec_parse; | |
410 | ||
411 | if (WARN_ON(!pieces || !data || type >= IWL_UCODE_TYPE_MAX)) | |
412 | return -1; | |
413 | ||
414 | sec_parse = (struct fw_sec_parsing *)data; | |
415 | ||
416 | img = &pieces->img[type]; | |
417 | sec = &img->sec[img->sec_counter]; | |
418 | ||
419 | sec->offset = le32_to_cpu(sec_parse->offset); | |
420 | sec->data = sec_parse->data; | |
1176f431 | 421 | sec->size = size - sizeof(sec_parse->offset); |
ed8c8365 DS |
422 | |
423 | ++img->sec_counter; | |
424 | ||
425 | return 0; | |
426 | } | |
427 | ||
428 | static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data) | |
429 | { | |
430 | struct iwl_tlv_calib_data *def_calib = | |
431 | (struct iwl_tlv_calib_data *)data; | |
432 | u32 ucode_type = le32_to_cpu(def_calib->ucode_type); | |
433 | if (ucode_type >= IWL_UCODE_TYPE_MAX) { | |
434 | IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n", | |
435 | ucode_type); | |
436 | return -EINVAL; | |
437 | } | |
aa2b1770 JB |
438 | drv->fw.default_calib[ucode_type].flow_trigger = |
439 | def_calib->calib.flow_trigger; | |
440 | drv->fw.default_calib[ucode_type].event_trigger = | |
441 | def_calib->calib.event_trigger; | |
442 | ||
ed8c8365 DS |
443 | return 0; |
444 | } | |
445 | ||
a2978b11 EH |
446 | static int iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data, |
447 | struct iwl_ucode_capabilities *capa) | |
448 | { | |
449 | const struct iwl_ucode_api *ucode_api = (void *)data; | |
450 | u32 api_index = le32_to_cpu(ucode_api->api_index); | |
451 | ||
452 | if (api_index >= IWL_API_ARRAY_SIZE) { | |
453 | IWL_ERR(drv, "api_index larger than supported by driver\n"); | |
454 | return -EINVAL; | |
455 | } | |
456 | ||
457 | capa->api[api_index] = le32_to_cpu(ucode_api->api_flags); | |
458 | ||
459 | return 0; | |
460 | } | |
461 | ||
462 | static int iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data, | |
463 | struct iwl_ucode_capabilities *capa) | |
464 | { | |
465 | const struct iwl_ucode_capa *ucode_capa = (void *)data; | |
466 | u32 api_index = le32_to_cpu(ucode_capa->api_index); | |
467 | ||
468 | if (api_index >= IWL_CAPABILITIES_ARRAY_SIZE) { | |
469 | IWL_ERR(drv, "api_index larger than supported by driver\n"); | |
470 | return -EINVAL; | |
471 | } | |
472 | ||
473 | capa->capa[api_index] = le32_to_cpu(ucode_capa->api_capa); | |
474 | ||
475 | return 0; | |
476 | } | |
477 | ||
965974a6 | 478 | static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv, |
0cedacc5 DS |
479 | const struct firmware *ucode_raw, |
480 | struct iwl_firmware_pieces *pieces) | |
15854ef9 JB |
481 | { |
482 | struct iwl_ucode_header *ucode = (void *)ucode_raw->data; | |
483 | u32 api_ver, hdr_size, build; | |
484 | char buildstr[25]; | |
485 | const u8 *src; | |
486 | ||
965974a6 JB |
487 | drv->fw.ucode_ver = le32_to_cpu(ucode->ver); |
488 | api_ver = IWL_UCODE_API(drv->fw.ucode_ver); | |
15854ef9 JB |
489 | |
490 | switch (api_ver) { | |
491 | default: | |
492 | hdr_size = 28; | |
493 | if (ucode_raw->size < hdr_size) { | |
965974a6 | 494 | IWL_ERR(drv, "File size too small!\n"); |
15854ef9 JB |
495 | return -EINVAL; |
496 | } | |
497 | build = le32_to_cpu(ucode->u.v2.build); | |
0cedacc5 DS |
498 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, |
499 | le32_to_cpu(ucode->u.v2.inst_size)); | |
500 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
501 | le32_to_cpu(ucode->u.v2.data_size)); | |
502 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
503 | le32_to_cpu(ucode->u.v2.init_size)); | |
504 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
505 | le32_to_cpu(ucode->u.v2.init_data_size)); | |
15854ef9 JB |
506 | src = ucode->u.v2.data; |
507 | break; | |
508 | case 0: | |
509 | case 1: | |
510 | case 2: | |
511 | hdr_size = 24; | |
512 | if (ucode_raw->size < hdr_size) { | |
965974a6 | 513 | IWL_ERR(drv, "File size too small!\n"); |
15854ef9 JB |
514 | return -EINVAL; |
515 | } | |
516 | build = 0; | |
0cedacc5 DS |
517 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, |
518 | le32_to_cpu(ucode->u.v1.inst_size)); | |
519 | set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
520 | le32_to_cpu(ucode->u.v1.data_size)); | |
521 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
522 | le32_to_cpu(ucode->u.v1.init_size)); | |
523 | set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
524 | le32_to_cpu(ucode->u.v1.init_data_size)); | |
15854ef9 JB |
525 | src = ucode->u.v1.data; |
526 | break; | |
527 | } | |
528 | ||
529 | if (build) | |
530 | sprintf(buildstr, " build %u%s", build, | |
965974a6 | 531 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) |
15854ef9 JB |
532 | ? " (EXP)" : ""); |
533 | else | |
534 | buildstr[0] = '\0'; | |
535 | ||
965974a6 JB |
536 | snprintf(drv->fw.fw_version, |
537 | sizeof(drv->fw.fw_version), | |
15854ef9 | 538 | "%u.%u.%u.%u%s", |
965974a6 JB |
539 | IWL_UCODE_MAJOR(drv->fw.ucode_ver), |
540 | IWL_UCODE_MINOR(drv->fw.ucode_ver), | |
541 | IWL_UCODE_API(drv->fw.ucode_ver), | |
542 | IWL_UCODE_SERIAL(drv->fw.ucode_ver), | |
15854ef9 JB |
543 | buildstr); |
544 | ||
545 | /* Verify size of file vs. image size info in file's header */ | |
0cedacc5 DS |
546 | |
547 | if (ucode_raw->size != hdr_size + | |
548 | get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) + | |
549 | get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) + | |
550 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) + | |
551 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) { | |
15854ef9 | 552 | |
965974a6 | 553 | IWL_ERR(drv, |
15854ef9 JB |
554 | "uCode file size %d does not match expected size\n", |
555 | (int)ucode_raw->size); | |
556 | return -EINVAL; | |
557 | } | |
558 | ||
15854ef9 | 559 | |
0cedacc5 DS |
560 | set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src); |
561 | src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST); | |
562 | set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, | |
563 | IWLAGN_RTC_INST_LOWER_BOUND); | |
564 | set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src); | |
565 | src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA); | |
566 | set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, | |
567 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
568 | set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src); | |
569 | src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST); | |
570 | set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, | |
571 | IWLAGN_RTC_INST_LOWER_BOUND); | |
572 | set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src); | |
573 | src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA); | |
574 | set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, | |
575 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
576 | return 0; |
577 | } | |
578 | ||
965974a6 | 579 | static int iwl_parse_tlv_firmware(struct iwl_drv *drv, |
15854ef9 | 580 | const struct firmware *ucode_raw, |
0cedacc5 | 581 | struct iwl_firmware_pieces *pieces, |
15854ef9 JB |
582 | struct iwl_ucode_capabilities *capa) |
583 | { | |
584 | struct iwl_tlv_ucode_header *ucode = (void *)ucode_raw->data; | |
585 | struct iwl_ucode_tlv *tlv; | |
586 | size_t len = ucode_raw->size; | |
587 | const u8 *data; | |
15854ef9 JB |
588 | u32 tlv_len; |
589 | enum iwl_ucode_tlv_type tlv_type; | |
590 | const u8 *tlv_data; | |
591 | char buildstr[25]; | |
592 | u32 build; | |
e2d6f4e7 | 593 | int num_of_cpus; |
15854ef9 JB |
594 | |
595 | if (len < sizeof(*ucode)) { | |
965974a6 | 596 | IWL_ERR(drv, "uCode has invalid length: %zd\n", len); |
15854ef9 JB |
597 | return -EINVAL; |
598 | } | |
599 | ||
600 | if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) { | |
965974a6 | 601 | IWL_ERR(drv, "invalid uCode magic: 0X%x\n", |
15854ef9 JB |
602 | le32_to_cpu(ucode->magic)); |
603 | return -EINVAL; | |
604 | } | |
605 | ||
965974a6 | 606 | drv->fw.ucode_ver = le32_to_cpu(ucode->ver); |
06ddbf5a EG |
607 | memcpy(drv->fw.human_readable, ucode->human_readable, |
608 | sizeof(drv->fw.human_readable)); | |
15854ef9 JB |
609 | build = le32_to_cpu(ucode->build); |
610 | ||
611 | if (build) | |
612 | sprintf(buildstr, " build %u%s", build, | |
965974a6 | 613 | (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) |
15854ef9 JB |
614 | ? " (EXP)" : ""); |
615 | else | |
616 | buildstr[0] = '\0'; | |
617 | ||
965974a6 JB |
618 | snprintf(drv->fw.fw_version, |
619 | sizeof(drv->fw.fw_version), | |
15854ef9 | 620 | "%u.%u.%u.%u%s", |
965974a6 JB |
621 | IWL_UCODE_MAJOR(drv->fw.ucode_ver), |
622 | IWL_UCODE_MINOR(drv->fw.ucode_ver), | |
623 | IWL_UCODE_API(drv->fw.ucode_ver), | |
624 | IWL_UCODE_SERIAL(drv->fw.ucode_ver), | |
15854ef9 JB |
625 | buildstr); |
626 | ||
627 | data = ucode->data; | |
628 | ||
629 | len -= sizeof(*ucode); | |
630 | ||
631 | while (len >= sizeof(*tlv)) { | |
15854ef9 JB |
632 | len -= sizeof(*tlv); |
633 | tlv = (void *)data; | |
634 | ||
635 | tlv_len = le32_to_cpu(tlv->length); | |
0479c19d | 636 | tlv_type = le32_to_cpu(tlv->type); |
15854ef9 JB |
637 | tlv_data = tlv->data; |
638 | ||
639 | if (len < tlv_len) { | |
965974a6 | 640 | IWL_ERR(drv, "invalid TLV len: %zd/%u\n", |
15854ef9 JB |
641 | len, tlv_len); |
642 | return -EINVAL; | |
643 | } | |
644 | len -= ALIGN(tlv_len, 4); | |
645 | data += sizeof(*tlv) + ALIGN(tlv_len, 4); | |
646 | ||
15854ef9 JB |
647 | switch (tlv_type) { |
648 | case IWL_UCODE_TLV_INST: | |
0cedacc5 DS |
649 | set_sec_data(pieces, IWL_UCODE_REGULAR, |
650 | IWL_UCODE_SECTION_INST, tlv_data); | |
651 | set_sec_size(pieces, IWL_UCODE_REGULAR, | |
652 | IWL_UCODE_SECTION_INST, tlv_len); | |
653 | set_sec_offset(pieces, IWL_UCODE_REGULAR, | |
654 | IWL_UCODE_SECTION_INST, | |
655 | IWLAGN_RTC_INST_LOWER_BOUND); | |
15854ef9 JB |
656 | break; |
657 | case IWL_UCODE_TLV_DATA: | |
0cedacc5 DS |
658 | set_sec_data(pieces, IWL_UCODE_REGULAR, |
659 | IWL_UCODE_SECTION_DATA, tlv_data); | |
660 | set_sec_size(pieces, IWL_UCODE_REGULAR, | |
661 | IWL_UCODE_SECTION_DATA, tlv_len); | |
662 | set_sec_offset(pieces, IWL_UCODE_REGULAR, | |
663 | IWL_UCODE_SECTION_DATA, | |
664 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
665 | break; |
666 | case IWL_UCODE_TLV_INIT: | |
0cedacc5 DS |
667 | set_sec_data(pieces, IWL_UCODE_INIT, |
668 | IWL_UCODE_SECTION_INST, tlv_data); | |
669 | set_sec_size(pieces, IWL_UCODE_INIT, | |
670 | IWL_UCODE_SECTION_INST, tlv_len); | |
671 | set_sec_offset(pieces, IWL_UCODE_INIT, | |
672 | IWL_UCODE_SECTION_INST, | |
673 | IWLAGN_RTC_INST_LOWER_BOUND); | |
15854ef9 JB |
674 | break; |
675 | case IWL_UCODE_TLV_INIT_DATA: | |
0cedacc5 DS |
676 | set_sec_data(pieces, IWL_UCODE_INIT, |
677 | IWL_UCODE_SECTION_DATA, tlv_data); | |
678 | set_sec_size(pieces, IWL_UCODE_INIT, | |
679 | IWL_UCODE_SECTION_DATA, tlv_len); | |
680 | set_sec_offset(pieces, IWL_UCODE_INIT, | |
681 | IWL_UCODE_SECTION_DATA, | |
682 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
683 | break; |
684 | case IWL_UCODE_TLV_BOOT: | |
965974a6 | 685 | IWL_ERR(drv, "Found unexpected BOOT ucode\n"); |
15854ef9 JB |
686 | break; |
687 | case IWL_UCODE_TLV_PROBE_MAX_LEN: | |
688 | if (tlv_len != sizeof(u32)) | |
689 | goto invalid_tlv_len; | |
690 | capa->max_probe_length = | |
691 | le32_to_cpup((__le32 *)tlv_data); | |
692 | break; | |
693 | case IWL_UCODE_TLV_PAN: | |
694 | if (tlv_len) | |
695 | goto invalid_tlv_len; | |
696 | capa->flags |= IWL_UCODE_TLV_FLAGS_PAN; | |
697 | break; | |
698 | case IWL_UCODE_TLV_FLAGS: | |
699 | /* must be at least one u32 */ | |
700 | if (tlv_len < sizeof(u32)) | |
701 | goto invalid_tlv_len; | |
702 | /* and a proper number of u32s */ | |
703 | if (tlv_len % sizeof(u32)) | |
704 | goto invalid_tlv_len; | |
705 | /* | |
706 | * This driver only reads the first u32 as | |
707 | * right now no more features are defined, | |
708 | * if that changes then either the driver | |
709 | * will not work with the new firmware, or | |
710 | * it'll not take advantage of new features. | |
711 | */ | |
712 | capa->flags = le32_to_cpup((__le32 *)tlv_data); | |
713 | break; | |
a2978b11 EH |
714 | case IWL_UCODE_TLV_API_CHANGES_SET: |
715 | if (tlv_len != sizeof(struct iwl_ucode_api)) | |
716 | goto invalid_tlv_len; | |
717 | if (iwl_set_ucode_api_flags(drv, tlv_data, capa)) | |
718 | goto tlv_error; | |
719 | break; | |
720 | case IWL_UCODE_TLV_ENABLED_CAPABILITIES: | |
721 | if (tlv_len != sizeof(struct iwl_ucode_capa)) | |
722 | goto invalid_tlv_len; | |
723 | if (iwl_set_ucode_capabilities(drv, tlv_data, capa)) | |
724 | goto tlv_error; | |
725 | break; | |
15854ef9 JB |
726 | case IWL_UCODE_TLV_INIT_EVTLOG_PTR: |
727 | if (tlv_len != sizeof(u32)) | |
728 | goto invalid_tlv_len; | |
729 | pieces->init_evtlog_ptr = | |
730 | le32_to_cpup((__le32 *)tlv_data); | |
731 | break; | |
732 | case IWL_UCODE_TLV_INIT_EVTLOG_SIZE: | |
733 | if (tlv_len != sizeof(u32)) | |
734 | goto invalid_tlv_len; | |
735 | pieces->init_evtlog_size = | |
736 | le32_to_cpup((__le32 *)tlv_data); | |
737 | break; | |
738 | case IWL_UCODE_TLV_INIT_ERRLOG_PTR: | |
739 | if (tlv_len != sizeof(u32)) | |
740 | goto invalid_tlv_len; | |
741 | pieces->init_errlog_ptr = | |
742 | le32_to_cpup((__le32 *)tlv_data); | |
743 | break; | |
744 | case IWL_UCODE_TLV_RUNT_EVTLOG_PTR: | |
745 | if (tlv_len != sizeof(u32)) | |
746 | goto invalid_tlv_len; | |
747 | pieces->inst_evtlog_ptr = | |
748 | le32_to_cpup((__le32 *)tlv_data); | |
749 | break; | |
750 | case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE: | |
751 | if (tlv_len != sizeof(u32)) | |
752 | goto invalid_tlv_len; | |
753 | pieces->inst_evtlog_size = | |
754 | le32_to_cpup((__le32 *)tlv_data); | |
755 | break; | |
756 | case IWL_UCODE_TLV_RUNT_ERRLOG_PTR: | |
757 | if (tlv_len != sizeof(u32)) | |
758 | goto invalid_tlv_len; | |
759 | pieces->inst_errlog_ptr = | |
760 | le32_to_cpup((__le32 *)tlv_data); | |
761 | break; | |
762 | case IWL_UCODE_TLV_ENHANCE_SENS_TBL: | |
763 | if (tlv_len) | |
764 | goto invalid_tlv_len; | |
965974a6 | 765 | drv->fw.enhance_sensitivity_table = true; |
15854ef9 JB |
766 | break; |
767 | case IWL_UCODE_TLV_WOWLAN_INST: | |
0cedacc5 DS |
768 | set_sec_data(pieces, IWL_UCODE_WOWLAN, |
769 | IWL_UCODE_SECTION_INST, tlv_data); | |
770 | set_sec_size(pieces, IWL_UCODE_WOWLAN, | |
771 | IWL_UCODE_SECTION_INST, tlv_len); | |
772 | set_sec_offset(pieces, IWL_UCODE_WOWLAN, | |
773 | IWL_UCODE_SECTION_INST, | |
774 | IWLAGN_RTC_INST_LOWER_BOUND); | |
15854ef9 JB |
775 | break; |
776 | case IWL_UCODE_TLV_WOWLAN_DATA: | |
0cedacc5 DS |
777 | set_sec_data(pieces, IWL_UCODE_WOWLAN, |
778 | IWL_UCODE_SECTION_DATA, tlv_data); | |
779 | set_sec_size(pieces, IWL_UCODE_WOWLAN, | |
780 | IWL_UCODE_SECTION_DATA, tlv_len); | |
781 | set_sec_offset(pieces, IWL_UCODE_WOWLAN, | |
782 | IWL_UCODE_SECTION_DATA, | |
783 | IWLAGN_RTC_DATA_LOWER_BOUND); | |
15854ef9 JB |
784 | break; |
785 | case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE: | |
786 | if (tlv_len != sizeof(u32)) | |
787 | goto invalid_tlv_len; | |
788 | capa->standard_phy_calibration_size = | |
789 | le32_to_cpup((__le32 *)tlv_data); | |
790 | break; | |
ed8c8365 DS |
791 | case IWL_UCODE_TLV_SEC_RT: |
792 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, | |
793 | tlv_len); | |
4db2c9ae | 794 | drv->fw.mvm_fw = true; |
ed8c8365 DS |
795 | break; |
796 | case IWL_UCODE_TLV_SEC_INIT: | |
797 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, | |
798 | tlv_len); | |
4db2c9ae | 799 | drv->fw.mvm_fw = true; |
ed8c8365 DS |
800 | break; |
801 | case IWL_UCODE_TLV_SEC_WOWLAN: | |
802 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, | |
803 | tlv_len); | |
4db2c9ae | 804 | drv->fw.mvm_fw = true; |
ed8c8365 DS |
805 | break; |
806 | case IWL_UCODE_TLV_DEF_CALIB: | |
807 | if (tlv_len != sizeof(struct iwl_tlv_calib_data)) | |
808 | goto invalid_tlv_len; | |
809 | if (iwl_set_default_calib(drv, tlv_data)) | |
810 | goto tlv_error; | |
811 | break; | |
812 | case IWL_UCODE_TLV_PHY_SKU: | |
813 | if (tlv_len != sizeof(u32)) | |
814 | goto invalid_tlv_len; | |
815 | drv->fw.phy_config = le32_to_cpup((__le32 *)tlv_data); | |
77db0a3c EH |
816 | drv->fw.valid_tx_ant = (drv->fw.phy_config & |
817 | FW_PHY_CFG_TX_CHAIN) >> | |
818 | FW_PHY_CFG_TX_CHAIN_POS; | |
819 | drv->fw.valid_rx_ant = (drv->fw.phy_config & | |
820 | FW_PHY_CFG_RX_CHAIN) >> | |
821 | FW_PHY_CFG_RX_CHAIN_POS; | |
ed8c8365 | 822 | break; |
e2d6f4e7 EH |
823 | case IWL_UCODE_TLV_SECURE_SEC_RT: |
824 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, | |
825 | tlv_len); | |
826 | drv->fw.mvm_fw = true; | |
e2d6f4e7 EH |
827 | break; |
828 | case IWL_UCODE_TLV_SECURE_SEC_INIT: | |
829 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, | |
830 | tlv_len); | |
831 | drv->fw.mvm_fw = true; | |
e2d6f4e7 EH |
832 | break; |
833 | case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: | |
834 | iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, | |
835 | tlv_len); | |
836 | drv->fw.mvm_fw = true; | |
e2d6f4e7 EH |
837 | break; |
838 | case IWL_UCODE_TLV_NUM_OF_CPU: | |
839 | if (tlv_len != sizeof(u32)) | |
840 | goto invalid_tlv_len; | |
841 | num_of_cpus = | |
842 | le32_to_cpup((__le32 *)tlv_data); | |
843 | ||
844 | if (num_of_cpus == 2) { | |
845 | drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus = | |
846 | true; | |
847 | drv->fw.img[IWL_UCODE_INIT].is_dual_cpus = | |
848 | true; | |
849 | drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus = | |
850 | true; | |
851 | } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) { | |
852 | IWL_ERR(drv, "Driver support upto 2 CPUs\n"); | |
853 | return -EINVAL; | |
854 | } | |
855 | break; | |
e36e5433 MS |
856 | case IWL_UCODE_TLV_CSCHEME: |
857 | if (iwl_store_cscheme(&drv->fw, tlv_data, tlv_len)) | |
858 | goto invalid_tlv_len; | |
859 | break; | |
762533ba DS |
860 | case IWL_UCODE_TLV_N_SCAN_CHANNELS: |
861 | if (tlv_len != sizeof(u32)) | |
862 | goto invalid_tlv_len; | |
863 | capa->n_scan_channels = | |
864 | le32_to_cpup((__le32 *)tlv_data); | |
865 | break; | |
490fefeb LK |
866 | case IWL_UCODE_TLV_FW_DBG_DEST: { |
867 | struct iwl_fw_dbg_dest_tlv *dest = (void *)tlv_data; | |
868 | ||
869 | if (pieces->dbg_dest_tlv) { | |
870 | IWL_ERR(drv, | |
871 | "dbg destination ignored, already exists\n"); | |
872 | break; | |
873 | } | |
874 | ||
875 | pieces->dbg_dest_tlv = dest; | |
876 | IWL_INFO(drv, "Found debug destination: %s\n", | |
877 | get_fw_dbg_mode_string(dest->monitor_mode)); | |
878 | ||
879 | drv->fw.dbg_dest_reg_num = | |
880 | tlv_len - offsetof(struct iwl_fw_dbg_dest_tlv, | |
881 | reg_ops); | |
882 | drv->fw.dbg_dest_reg_num /= | |
883 | sizeof(drv->fw.dbg_dest_tlv->reg_ops[0]); | |
884 | ||
885 | break; | |
886 | } | |
887 | case IWL_UCODE_TLV_FW_DBG_CONF: { | |
888 | struct iwl_fw_dbg_conf_tlv *conf = (void *)tlv_data; | |
889 | ||
890 | if (!pieces->dbg_dest_tlv) { | |
891 | IWL_ERR(drv, | |
892 | "Ignore dbg config %d - no destination configured\n", | |
893 | conf->id); | |
894 | break; | |
895 | } | |
896 | ||
897 | if (conf->id >= ARRAY_SIZE(drv->fw.dbg_conf_tlv)) { | |
898 | IWL_ERR(drv, | |
899 | "Skip unknown configuration: %d\n", | |
900 | conf->id); | |
901 | break; | |
902 | } | |
903 | ||
904 | if (pieces->dbg_conf_tlv[conf->id]) { | |
905 | IWL_ERR(drv, | |
906 | "Ignore duplicate dbg config %d\n", | |
907 | conf->id); | |
908 | break; | |
909 | } | |
910 | ||
911 | IWL_INFO(drv, "Found debug configuration: %d\n", | |
912 | conf->id); | |
913 | ||
914 | pieces->dbg_conf_tlv[conf->id] = conf; | |
915 | pieces->dbg_conf_tlv_len[conf->id] = tlv_len; | |
916 | break; | |
917 | } | |
15854ef9 | 918 | default: |
965974a6 | 919 | IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); |
15854ef9 JB |
920 | break; |
921 | } | |
922 | } | |
923 | ||
924 | if (len) { | |
965974a6 JB |
925 | IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len); |
926 | iwl_print_hex_dump(drv, IWL_DL_FW, (u8 *)data, len); | |
15854ef9 JB |
927 | return -EINVAL; |
928 | } | |
929 | ||
930 | return 0; | |
931 | ||
932 | invalid_tlv_len: | |
965974a6 | 933 | IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len); |
ed8c8365 | 934 | tlv_error: |
965974a6 | 935 | iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len); |
15854ef9 JB |
936 | |
937 | return -EINVAL; | |
938 | } | |
939 | ||
75813bde JB |
940 | static int iwl_alloc_ucode(struct iwl_drv *drv, |
941 | struct iwl_firmware_pieces *pieces, | |
942 | enum iwl_ucode_type type) | |
6dfa8d01 DS |
943 | { |
944 | int i; | |
945 | for (i = 0; | |
946 | i < IWL_UCODE_SECTION_MAX && get_sec_size(pieces, type, i); | |
947 | i++) | |
948 | if (iwl_alloc_fw_desc(drv, &(drv->fw.img[type].sec[i]), | |
75813bde JB |
949 | get_sec(pieces, type, i))) |
950 | return -ENOMEM; | |
6dfa8d01 DS |
951 | return 0; |
952 | } | |
953 | ||
954 | static int validate_sec_sizes(struct iwl_drv *drv, | |
955 | struct iwl_firmware_pieces *pieces, | |
956 | const struct iwl_cfg *cfg) | |
957 | { | |
958 | IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %Zd\n", | |
959 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
960 | IWL_UCODE_SECTION_INST)); | |
961 | IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %Zd\n", | |
962 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
963 | IWL_UCODE_SECTION_DATA)); | |
964 | IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %Zd\n", | |
965 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST)); | |
966 | IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %Zd\n", | |
967 | get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)); | |
968 | ||
969 | /* Verify that uCode images will fit in card's SRAM. */ | |
970 | if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) > | |
971 | cfg->max_inst_size) { | |
972 | IWL_ERR(drv, "uCode instr len %Zd too large to fit in\n", | |
973 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
974 | IWL_UCODE_SECTION_INST)); | |
975 | return -1; | |
976 | } | |
977 | ||
978 | if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) > | |
979 | cfg->max_data_size) { | |
980 | IWL_ERR(drv, "uCode data len %Zd too large to fit in\n", | |
981 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
982 | IWL_UCODE_SECTION_DATA)); | |
983 | return -1; | |
984 | } | |
985 | ||
986 | if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) > | |
987 | cfg->max_inst_size) { | |
988 | IWL_ERR(drv, "uCode init instr len %Zd too large to fit in\n", | |
989 | get_sec_size(pieces, IWL_UCODE_INIT, | |
990 | IWL_UCODE_SECTION_INST)); | |
991 | return -1; | |
992 | } | |
993 | ||
994 | if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) > | |
995 | cfg->max_data_size) { | |
996 | IWL_ERR(drv, "uCode init data len %Zd too large to fit in\n", | |
997 | get_sec_size(pieces, IWL_UCODE_REGULAR, | |
998 | IWL_UCODE_SECTION_DATA)); | |
999 | return -1; | |
1000 | } | |
1001 | return 0; | |
1002 | } | |
1003 | ||
9da987ac MV |
1004 | static struct iwl_op_mode * |
1005 | _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op) | |
1006 | { | |
1007 | const struct iwl_op_mode_ops *ops = op->ops; | |
1008 | struct dentry *dbgfs_dir = NULL; | |
1009 | struct iwl_op_mode *op_mode = NULL; | |
1010 | ||
1011 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1012 | drv->dbgfs_op_mode = debugfs_create_dir(op->name, | |
1013 | drv->dbgfs_drv); | |
1014 | if (!drv->dbgfs_op_mode) { | |
1015 | IWL_ERR(drv, | |
1016 | "failed to create opmode debugfs directory\n"); | |
1017 | return op_mode; | |
1018 | } | |
1019 | dbgfs_dir = drv->dbgfs_op_mode; | |
1020 | #endif | |
1021 | ||
1022 | op_mode = ops->start(drv->trans, drv->cfg, &drv->fw, dbgfs_dir); | |
1023 | ||
1024 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1025 | if (!op_mode) { | |
1026 | debugfs_remove_recursive(drv->dbgfs_op_mode); | |
1027 | drv->dbgfs_op_mode = NULL; | |
1028 | } | |
1029 | #endif | |
1030 | ||
1031 | return op_mode; | |
1032 | } | |
1033 | ||
1034 | static void _iwl_op_mode_stop(struct iwl_drv *drv) | |
1035 | { | |
1036 | /* op_mode can be NULL if its start failed */ | |
1037 | if (drv->op_mode) { | |
1038 | iwl_op_mode_stop(drv->op_mode); | |
1039 | drv->op_mode = NULL; | |
1040 | ||
1041 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1042 | debugfs_remove_recursive(drv->dbgfs_op_mode); | |
1043 | drv->dbgfs_op_mode = NULL; | |
1044 | #endif | |
1045 | } | |
1046 | } | |
1047 | ||
15854ef9 | 1048 | /** |
1c8e11e1 | 1049 | * iwl_req_fw_callback - callback when firmware was loaded |
15854ef9 JB |
1050 | * |
1051 | * If loaded successfully, copies the firmware into buffers | |
1052 | * for the card to fetch (via DMA). | |
1053 | */ | |
1c8e11e1 | 1054 | static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) |
15854ef9 | 1055 | { |
965974a6 | 1056 | struct iwl_drv *drv = context; |
965974a6 | 1057 | struct iwl_fw *fw = &drv->fw; |
15854ef9 | 1058 | struct iwl_ucode_header *ucode; |
cc5f7e39 | 1059 | struct iwlwifi_opmode_table *op; |
15854ef9 | 1060 | int err; |
490fefeb | 1061 | struct iwl_firmware_pieces *pieces; |
68f360dc EG |
1062 | const unsigned int api_max = drv->cfg->ucode_api_max; |
1063 | unsigned int api_ok = drv->cfg->ucode_api_ok; | |
1064 | const unsigned int api_min = drv->cfg->ucode_api_min; | |
15854ef9 | 1065 | u32 api_ver; |
6dfa8d01 | 1066 | int i; |
d4b10483 | 1067 | bool load_module = false; |
977654b1 | 1068 | u32 hw_rev = drv->trans->hw_rev; |
15854ef9 | 1069 | |
66140adc | 1070 | fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH; |
15854ef9 JB |
1071 | fw->ucode_capa.standard_phy_calibration_size = |
1072 | IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE; | |
762533ba | 1073 | fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS; |
15854ef9 JB |
1074 | |
1075 | if (!api_ok) | |
1076 | api_ok = api_max; | |
1077 | ||
490fefeb LK |
1078 | pieces = kzalloc(sizeof(*pieces), GFP_KERNEL); |
1079 | if (!pieces) | |
1080 | return; | |
15854ef9 JB |
1081 | |
1082 | if (!ucode_raw) { | |
965974a6 JB |
1083 | if (drv->fw_index <= api_ok) |
1084 | IWL_ERR(drv, | |
15854ef9 | 1085 | "request for firmware file '%s' failed.\n", |
965974a6 | 1086 | drv->firmware_name); |
15854ef9 JB |
1087 | goto try_again; |
1088 | } | |
1089 | ||
965974a6 JB |
1090 | IWL_DEBUG_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n", |
1091 | drv->firmware_name, ucode_raw->size); | |
15854ef9 JB |
1092 | |
1093 | /* Make sure that we got at least the API version number */ | |
1094 | if (ucode_raw->size < 4) { | |
965974a6 | 1095 | IWL_ERR(drv, "File size way too small!\n"); |
15854ef9 JB |
1096 | goto try_again; |
1097 | } | |
1098 | ||
1099 | /* Data from ucode file: header followed by uCode images */ | |
1100 | ucode = (struct iwl_ucode_header *)ucode_raw->data; | |
1101 | ||
1102 | if (ucode->ver) | |
490fefeb | 1103 | err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces); |
15854ef9 | 1104 | else |
490fefeb LK |
1105 | err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces, |
1106 | &fw->ucode_capa); | |
15854ef9 JB |
1107 | |
1108 | if (err) | |
1109 | goto try_again; | |
1110 | ||
965974a6 | 1111 | api_ver = IWL_UCODE_API(drv->fw.ucode_ver); |
15854ef9 JB |
1112 | |
1113 | /* | |
1114 | * api_ver should match the api version forming part of the | |
1115 | * firmware filename ... but we don't check for that and only rely | |
1116 | * on the API version read from firmware header from here on forward | |
1117 | */ | |
1118 | /* no api version check required for experimental uCode */ | |
965974a6 | 1119 | if (drv->fw_index != UCODE_EXPERIMENTAL_INDEX) { |
15854ef9 | 1120 | if (api_ver < api_min || api_ver > api_max) { |
965974a6 | 1121 | IWL_ERR(drv, |
15854ef9 JB |
1122 | "Driver unable to support your firmware API. " |
1123 | "Driver supports v%u, firmware is v%u.\n", | |
1124 | api_max, api_ver); | |
1125 | goto try_again; | |
1126 | } | |
1127 | ||
1128 | if (api_ver < api_ok) { | |
1129 | if (api_ok != api_max) | |
965974a6 | 1130 | IWL_ERR(drv, "Firmware has old API version, " |
15854ef9 JB |
1131 | "expected v%u through v%u, got v%u.\n", |
1132 | api_ok, api_max, api_ver); | |
1133 | else | |
965974a6 | 1134 | IWL_ERR(drv, "Firmware has old API version, " |
15854ef9 JB |
1135 | "expected v%u, got v%u.\n", |
1136 | api_max, api_ver); | |
965974a6 | 1137 | IWL_ERR(drv, "New firmware can be obtained from " |
15854ef9 JB |
1138 | "http://www.intellinuxwireless.org/.\n"); |
1139 | } | |
1140 | } | |
1141 | ||
4db2c9ae DS |
1142 | /* |
1143 | * In mvm uCode there is no difference between data and instructions | |
1144 | * sections. | |
1145 | */ | |
490fefeb | 1146 | if (!fw->mvm_fw && validate_sec_sizes(drv, pieces, drv->cfg)) |
15854ef9 | 1147 | goto try_again; |
15854ef9 JB |
1148 | |
1149 | /* Allocate ucode buffers for card's bus-master loading ... */ | |
1150 | ||
1151 | /* Runtime instructions and 2 copies of data: | |
1152 | * 1) unmodified from disk | |
1153 | * 2) backup cache for save/restore during power-downs */ | |
6dfa8d01 | 1154 | for (i = 0; i < IWL_UCODE_TYPE_MAX; i++) |
490fefeb | 1155 | if (iwl_alloc_ucode(drv, pieces, i)) |
75813bde | 1156 | goto out_free_fw; |
15854ef9 | 1157 | |
490fefeb LK |
1158 | if (pieces->dbg_dest_tlv) { |
1159 | drv->fw.dbg_dest_tlv = | |
1160 | kmemdup(pieces->dbg_dest_tlv, | |
1161 | sizeof(*pieces->dbg_dest_tlv) + | |
1162 | sizeof(pieces->dbg_dest_tlv->reg_ops[0]) * | |
1163 | drv->fw.dbg_dest_reg_num, GFP_KERNEL); | |
1164 | ||
1165 | if (!drv->fw.dbg_dest_tlv) | |
1166 | goto out_free_fw; | |
1167 | } | |
1168 | ||
1169 | for (i = 0; i < ARRAY_SIZE(drv->fw.dbg_conf_tlv); i++) { | |
1170 | if (pieces->dbg_conf_tlv[i]) { | |
1171 | drv->fw.dbg_conf_tlv_len[i] = | |
1172 | pieces->dbg_conf_tlv_len[i]; | |
1173 | drv->fw.dbg_conf_tlv[i] = | |
1174 | kmemdup(pieces->dbg_conf_tlv[i], | |
1175 | drv->fw.dbg_conf_tlv_len[i], | |
1176 | GFP_KERNEL); | |
1177 | if (!drv->fw.dbg_conf_tlv[i]) | |
1178 | goto out_free_fw; | |
1179 | } | |
1180 | } | |
1181 | ||
15854ef9 JB |
1182 | /* Now that we can no longer fail, copy information */ |
1183 | ||
1184 | /* | |
1185 | * The (size - 16) / 12 formula is based on the information recorded | |
1186 | * for each event, which is of mode 1 (including timestamp) for all | |
1187 | * new microcodes that include this information. | |
1188 | */ | |
490fefeb LK |
1189 | fw->init_evtlog_ptr = pieces->init_evtlog_ptr; |
1190 | if (pieces->init_evtlog_size) | |
1191 | fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12; | |
15854ef9 | 1192 | else |
0692fe41 | 1193 | fw->init_evtlog_size = |
68f360dc | 1194 | drv->cfg->base_params->max_event_log_size; |
490fefeb LK |
1195 | fw->init_errlog_ptr = pieces->init_errlog_ptr; |
1196 | fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr; | |
1197 | if (pieces->inst_evtlog_size) | |
1198 | fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12; | |
15854ef9 | 1199 | else |
0692fe41 | 1200 | fw->inst_evtlog_size = |
68f360dc | 1201 | drv->cfg->base_params->max_event_log_size; |
490fefeb | 1202 | fw->inst_errlog_ptr = pieces->inst_errlog_ptr; |
15854ef9 JB |
1203 | |
1204 | /* | |
1205 | * figure out the offset of chain noise reset and gain commands | |
1206 | * base on the size of standard phy calibration commands table size | |
1207 | */ | |
1208 | if (fw->ucode_capa.standard_phy_calibration_size > | |
1209 | IWL_MAX_PHY_CALIBRATE_TBL_SIZE) | |
1210 | fw->ucode_capa.standard_phy_calibration_size = | |
1211 | IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE; | |
1212 | ||
1213 | /* We have our copies now, allow OS release its copies */ | |
1214 | release_firmware(ucode_raw); | |
15854ef9 | 1215 | |
ff1ffb85 | 1216 | mutex_lock(&iwlwifi_opmode_table_mtx); |
8ca151b5 JB |
1217 | if (fw->mvm_fw) |
1218 | op = &iwlwifi_opmode_table[MVM_OP_MODE]; | |
1219 | else | |
1220 | op = &iwlwifi_opmode_table[DVM_OP_MODE]; | |
15854ef9 | 1221 | |
2b2719c7 JB |
1222 | IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", |
1223 | drv->fw.fw_version, op->name); | |
1224 | ||
cc5f7e39 DF |
1225 | /* add this device to the list of devices using this op_mode */ |
1226 | list_add_tail(&drv->list, &op->drv); | |
1227 | ||
1228 | if (op->ops) { | |
9da987ac | 1229 | drv->op_mode = _iwl_op_mode_start(drv, op); |
7c9c46c1 | 1230 | |
daf67ce8 DC |
1231 | if (!drv->op_mode) { |
1232 | mutex_unlock(&iwlwifi_opmode_table_mtx); | |
7c9c46c1 | 1233 | goto out_unbind; |
daf67ce8 | 1234 | } |
cc5f7e39 | 1235 | } else { |
d4b10483 | 1236 | load_module = true; |
cc5f7e39 | 1237 | } |
ff1ffb85 | 1238 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
15854ef9 | 1239 | |
f69a23b7 JB |
1240 | /* |
1241 | * Complete the firmware request last so that | |
1242 | * a driver unbind (stop) doesn't run while we | |
1243 | * are doing the start() above. | |
1244 | */ | |
1245 | complete(&drv->request_firmware_complete); | |
d4b10483 JB |
1246 | |
1247 | /* | |
1248 | * Load the module last so we don't block anything | |
1249 | * else from proceeding if the module fails to load | |
1250 | * or hangs loading. | |
1251 | */ | |
1618b2b0 JB |
1252 | if (load_module) { |
1253 | err = request_module("%s", op->name); | |
8edf3fd6 | 1254 | #ifdef CONFIG_IWLWIFI_OPMODE_MODULAR |
1618b2b0 JB |
1255 | if (err) |
1256 | IWL_ERR(drv, | |
1257 | "failed to load module %s (error %d), is dynamic loading enabled?\n", | |
1258 | op->name, err); | |
8edf3fd6 | 1259 | #endif |
1618b2b0 | 1260 | } |
977654b1 LK |
1261 | |
1262 | /* | |
1263 | * We may have loaded the wrong FW file in 8000 HW family if it is an | |
1264 | * A-step card, and if drv->trans->hw_rev wasn't properly read when | |
1265 | * the FW file had been loaded. (This might happen in SDIO.) In such a | |
1266 | * case - unload and reload the correct file. | |
1267 | * | |
1268 | * TODO: | |
1269 | * Once there is only one supported step for 8000 family - delete this! | |
1270 | */ | |
1271 | if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000 && | |
1272 | CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_A_STEP && | |
1273 | drv->trans->hw_rev != hw_rev) { | |
1274 | char firmware_name[32]; | |
1275 | ||
1276 | /* Free previous FW resources */ | |
1277 | if (drv->op_mode) | |
1278 | _iwl_op_mode_stop(drv); | |
1279 | iwl_dealloc_ucode(drv); | |
1280 | ||
1281 | /* Build name of correct-step FW */ | |
1282 | snprintf(firmware_name, sizeof(firmware_name), | |
1283 | strrchr(drv->firmware_name, '-')); | |
1284 | snprintf(drv->firmware_name, sizeof(drv->firmware_name), | |
1285 | "%s%s", drv->cfg->fw_name_pre, firmware_name); | |
1286 | ||
1287 | /* Clear data before loading correct FW */ | |
1288 | list_del(&drv->list); | |
1289 | ||
1290 | /* Request correct FW file this time */ | |
1291 | IWL_DEBUG_INFO(drv, "attempting to load A-step FW %s\n", | |
1292 | drv->firmware_name); | |
1293 | err = request_firmware(&ucode_raw, drv->firmware_name, | |
1294 | drv->trans->dev); | |
1295 | if (err) { | |
1296 | IWL_ERR(drv, "Failed swapping FW!\n"); | |
1297 | goto out_unbind; | |
1298 | } | |
1299 | ||
1300 | /* Redo callback function - this time with right FW */ | |
1301 | iwl_req_fw_callback(ucode_raw, context); | |
1302 | } | |
1303 | ||
490fefeb | 1304 | kfree(pieces); |
15854ef9 JB |
1305 | return; |
1306 | ||
1307 | try_again: | |
1308 | /* try next, if any */ | |
490fefeb | 1309 | kfree(pieces); |
15854ef9 | 1310 | release_firmware(ucode_raw); |
965974a6 | 1311 | if (iwl_request_firmware(drv, false)) |
15854ef9 JB |
1312 | goto out_unbind; |
1313 | return; | |
1314 | ||
75813bde | 1315 | out_free_fw: |
965974a6 JB |
1316 | IWL_ERR(drv, "failed to allocate pci memory\n"); |
1317 | iwl_dealloc_ucode(drv); | |
15854ef9 JB |
1318 | release_firmware(ucode_raw); |
1319 | out_unbind: | |
490fefeb | 1320 | kfree(pieces); |
965974a6 | 1321 | complete(&drv->request_firmware_complete); |
93faaeea | 1322 | device_release_driver(drv->trans->dev); |
15854ef9 JB |
1323 | } |
1324 | ||
87ce05a2 | 1325 | struct iwl_drv *iwl_drv_start(struct iwl_trans *trans, |
9130bab1 | 1326 | const struct iwl_cfg *cfg) |
5c58edc6 | 1327 | { |
965974a6 | 1328 | struct iwl_drv *drv; |
5c58edc6 EG |
1329 | int ret; |
1330 | ||
965974a6 | 1331 | drv = kzalloc(sizeof(*drv), GFP_KERNEL); |
eafe25e0 LC |
1332 | if (!drv) { |
1333 | ret = -ENOMEM; | |
1334 | goto err; | |
1335 | } | |
c15797e6 | 1336 | |
9130bab1 | 1337 | drv->trans = trans; |
4b9844f5 | 1338 | drv->dev = trans->dev; |
68f360dc | 1339 | drv->cfg = cfg; |
5c58edc6 | 1340 | |
965974a6 | 1341 | init_completion(&drv->request_firmware_complete); |
ff1ffb85 | 1342 | INIT_LIST_HEAD(&drv->list); |
5c58edc6 | 1343 | |
9da987ac MV |
1344 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
1345 | /* Create the device debugfs entries. */ | |
1346 | drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev), | |
1347 | iwl_dbgfs_root); | |
1348 | ||
1349 | if (!drv->dbgfs_drv) { | |
1350 | IWL_ERR(drv, "failed to create debugfs directory\n"); | |
59f547ac | 1351 | ret = -ENOMEM; |
9da987ac MV |
1352 | goto err_free_drv; |
1353 | } | |
1354 | ||
1355 | /* Create transport layer debugfs dir */ | |
1356 | drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv); | |
1357 | ||
1358 | if (!drv->trans->dbgfs_dir) { | |
1359 | IWL_ERR(drv, "failed to create transport debugfs directory\n"); | |
59f547ac | 1360 | ret = -ENOMEM; |
9da987ac MV |
1361 | goto err_free_dbgfs; |
1362 | } | |
1363 | #endif | |
1364 | ||
965974a6 | 1365 | ret = iwl_request_firmware(drv, true); |
5c58edc6 | 1366 | if (ret) { |
c15797e6 | 1367 | IWL_ERR(trans, "Couldn't request the fw\n"); |
9da987ac | 1368 | goto err_fw; |
5c58edc6 EG |
1369 | } |
1370 | ||
9da987ac MV |
1371 | return drv; |
1372 | ||
1373 | err_fw: | |
1374 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1375 | err_free_dbgfs: | |
1376 | debugfs_remove_recursive(drv->dbgfs_drv); | |
1377 | err_free_drv: | |
1378 | #endif | |
1379 | kfree(drv); | |
eafe25e0 | 1380 | err: |
59f547ac | 1381 | return ERR_PTR(ret); |
5c58edc6 EG |
1382 | } |
1383 | ||
9130bab1 | 1384 | void iwl_drv_stop(struct iwl_drv *drv) |
07590f08 | 1385 | { |
965974a6 | 1386 | wait_for_completion(&drv->request_firmware_complete); |
2e7eb117 | 1387 | |
9da987ac | 1388 | _iwl_op_mode_stop(drv); |
07590f08 | 1389 | |
965974a6 | 1390 | iwl_dealloc_ucode(drv); |
7db5b989 | 1391 | |
ff1ffb85 JB |
1392 | mutex_lock(&iwlwifi_opmode_table_mtx); |
1393 | /* | |
1394 | * List is empty (this item wasn't added) | |
1395 | * when firmware loading failed -- in that | |
1396 | * case we can't remove it from any list. | |
1397 | */ | |
1398 | if (!list_empty(&drv->list)) | |
1399 | list_del(&drv->list); | |
1400 | mutex_unlock(&iwlwifi_opmode_table_mtx); | |
1401 | ||
9da987ac MV |
1402 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
1403 | debugfs_remove_recursive(drv->dbgfs_drv); | |
1404 | #endif | |
1405 | ||
965974a6 | 1406 | kfree(drv); |
07590f08 | 1407 | } |
65de7e84 JB |
1408 | |
1409 | ||
1410 | /* shared module parameters */ | |
1411 | struct iwl_mod_params iwlwifi_mod_params = { | |
490953ac | 1412 | .restart_fw = true, |
65de7e84 JB |
1413 | .bt_coex_active = true, |
1414 | .power_level = IWL_POWER_INDEX_1, | |
020c8767 | 1415 | .wd_disable = true, |
d6ca18de JB |
1416 | #ifndef CONFIG_IWLWIFI_UAPSD |
1417 | .uapsd_disable = true, | |
1418 | #endif /* CONFIG_IWLWIFI_UAPSD */ | |
65de7e84 JB |
1419 | /* the rest are 0 by default */ |
1420 | }; | |
48e29340 | 1421 | IWL_EXPORT_SYMBOL(iwlwifi_mod_params); |
cc5f7e39 DF |
1422 | |
1423 | int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops) | |
1424 | { | |
1425 | int i; | |
1426 | struct iwl_drv *drv; | |
9da987ac | 1427 | struct iwlwifi_opmode_table *op; |
cc5f7e39 | 1428 | |
ff1ffb85 | 1429 | mutex_lock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 | 1430 | for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { |
9da987ac MV |
1431 | op = &iwlwifi_opmode_table[i]; |
1432 | if (strcmp(op->name, name)) | |
cc5f7e39 | 1433 | continue; |
9da987ac MV |
1434 | op->ops = ops; |
1435 | /* TODO: need to handle exceptional case */ | |
1436 | list_for_each_entry(drv, &op->drv, list) | |
1437 | drv->op_mode = _iwl_op_mode_start(drv, op); | |
1438 | ||
ff1ffb85 | 1439 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 DF |
1440 | return 0; |
1441 | } | |
ff1ffb85 | 1442 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 DF |
1443 | return -EIO; |
1444 | } | |
48e29340 | 1445 | IWL_EXPORT_SYMBOL(iwl_opmode_register); |
cc5f7e39 DF |
1446 | |
1447 | void iwl_opmode_deregister(const char *name) | |
1448 | { | |
1449 | int i; | |
1450 | struct iwl_drv *drv; | |
1451 | ||
ff1ffb85 | 1452 | mutex_lock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 DF |
1453 | for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) { |
1454 | if (strcmp(iwlwifi_opmode_table[i].name, name)) | |
1455 | continue; | |
1456 | iwlwifi_opmode_table[i].ops = NULL; | |
1457 | ||
1458 | /* call the stop routine for all devices */ | |
9da987ac MV |
1459 | list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list) |
1460 | _iwl_op_mode_stop(drv); | |
1461 | ||
ff1ffb85 | 1462 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 DF |
1463 | return; |
1464 | } | |
ff1ffb85 | 1465 | mutex_unlock(&iwlwifi_opmode_table_mtx); |
cc5f7e39 | 1466 | } |
48e29340 | 1467 | IWL_EXPORT_SYMBOL(iwl_opmode_deregister); |
cc5f7e39 DF |
1468 | |
1469 | static int __init iwl_drv_init(void) | |
1470 | { | |
1471 | int i; | |
1472 | ||
ff1ffb85 JB |
1473 | mutex_init(&iwlwifi_opmode_table_mtx); |
1474 | ||
cc5f7e39 DF |
1475 | for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) |
1476 | INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv); | |
1477 | ||
1478 | pr_info(DRV_DESCRIPTION ", " DRV_VERSION "\n"); | |
1479 | pr_info(DRV_COPYRIGHT "\n"); | |
1480 | ||
9da987ac MV |
1481 | #ifdef CONFIG_IWLWIFI_DEBUGFS |
1482 | /* Create the root of iwlwifi debugfs subsystem. */ | |
1483 | iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL); | |
1484 | ||
1485 | if (!iwl_dbgfs_root) | |
1486 | return -EFAULT; | |
1487 | #endif | |
1488 | ||
cc5f7e39 DF |
1489 | return iwl_pci_register_driver(); |
1490 | } | |
1491 | module_init(iwl_drv_init); | |
1492 | ||
1493 | static void __exit iwl_drv_exit(void) | |
1494 | { | |
1495 | iwl_pci_unregister_driver(); | |
9da987ac MV |
1496 | |
1497 | #ifdef CONFIG_IWLWIFI_DEBUGFS | |
1498 | debugfs_remove_recursive(iwl_dbgfs_root); | |
1499 | #endif | |
cc5f7e39 DF |
1500 | } |
1501 | module_exit(iwl_drv_exit); | |
65de7e84 JB |
1502 | |
1503 | #ifdef CONFIG_IWLWIFI_DEBUG | |
1504 | module_param_named(debug, iwlwifi_mod_params.debug_level, uint, | |
1505 | S_IRUGO | S_IWUSR); | |
1506 | MODULE_PARM_DESC(debug, "debug output mask"); | |
1507 | #endif | |
1508 | ||
1509 | module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO); | |
1510 | MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); | |
1511 | module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO); | |
1512 | MODULE_PARM_DESC(11n_disable, | |
205e2210 | 1513 | "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); |
65de7e84 JB |
1514 | module_param_named(amsdu_size_8K, iwlwifi_mod_params.amsdu_size_8K, |
1515 | int, S_IRUGO); | |
aed7d9ac | 1516 | MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size (default 0)"); |
490953ac EG |
1517 | module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO); |
1518 | MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); | |
65de7e84 JB |
1519 | |
1520 | module_param_named(antenna_coupling, iwlwifi_mod_params.ant_coupling, | |
1521 | int, S_IRUGO); | |
1522 | MODULE_PARM_DESC(antenna_coupling, | |
ad25c1ee | 1523 | "specify antenna coupling in dB (default: 0 dB)"); |
65de7e84 | 1524 | |
65de7e84 JB |
1525 | module_param_named(wd_disable, iwlwifi_mod_params.wd_disable, int, S_IRUGO); |
1526 | MODULE_PARM_DESC(wd_disable, | |
82b715c2 | 1527 | "Disable stuck queue watchdog timer 0=system default, 1=disable (default: 1)"); |
65de7e84 | 1528 | |
1214755c EH |
1529 | module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, S_IRUGO); |
1530 | MODULE_PARM_DESC(nvm_file, "NVM file name"); | |
1531 | ||
1504f48d MC |
1532 | module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, |
1533 | bool, S_IRUGO); | |
d6ca18de | 1534 | #ifdef CONFIG_IWLWIFI_UAPSD |
1504f48d | 1535 | MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: N)"); |
d6ca18de JB |
1536 | #else |
1537 | MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: Y)"); | |
1538 | #endif | |
1504f48d | 1539 | |
65de7e84 JB |
1540 | /* |
1541 | * set bt_coex_active to true, uCode will do kill/defer | |
1542 | * every time the priority line is asserted (BT is sending signals on the | |
1543 | * priority line in the PCIx). | |
1544 | * set bt_coex_active to false, uCode will ignore the BT activity and | |
1545 | * perform the normal operation | |
1546 | * | |
1547 | * User might experience transmit issue on some platform due to WiFi/BT | |
1548 | * co-exist problem. The possible behaviors are: | |
1549 | * Able to scan and finding all the available AP | |
1550 | * Not able to associate with any AP | |
1551 | * On those platforms, WiFi communication can be restored by set | |
1552 | * "bt_coex_active" module parameter to "false" | |
1553 | * | |
1554 | * default: bt_coex_active = true (BT_COEX_ENABLE) | |
1555 | */ | |
1556 | module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active, | |
1557 | bool, S_IRUGO); | |
1558 | MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)"); | |
1559 | ||
1560 | module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, S_IRUGO); | |
1561 | MODULE_PARM_DESC(led_mode, "0=system default, " | |
1562 | "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)"); | |
1563 | ||
1564 | module_param_named(power_save, iwlwifi_mod_params.power_save, | |
1565 | bool, S_IRUGO); | |
1566 | MODULE_PARM_DESC(power_save, | |
1567 | "enable WiFi power management (default: disable)"); | |
1568 | ||
1569 | module_param_named(power_level, iwlwifi_mod_params.power_level, | |
1570 | int, S_IRUGO); | |
1571 | MODULE_PARM_DESC(power_level, | |
1572 | "default power save level (range from 1 - 5, default: 1)"); | |
c2d20201 EG |
1573 | |
1574 | module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, S_IRUGO); | |
6d6a4751 | 1575 | MODULE_PARM_DESC(fw_monitor, |
c2d20201 | 1576 | "firmware monitor - to debug FW (default: false - needs lots of memory)"); |