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813df5ce LC |
1 | /****************************************************************************** |
2 | * | |
3 | * This file is provided under a dual BSD/GPLv2 license. When using or | |
4 | * redistributing this file, you may do so under either license. | |
5 | * | |
6 | * GPL LICENSE SUMMARY | |
7 | * | |
8 | * Copyright(c) 2017 Intel Deutschland GmbH | |
0433ae55 | 9 | * Copyright (C) 2019 - 2020 Intel Corporation |
813df5ce LC |
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 | * | |
813df5ce LC |
20 | * The full GNU General Public License is included in this distribution |
21 | * in the file called COPYING. | |
22 | * | |
23 | * Contact Information: | |
24 | * Intel Linux Wireless <linuxwifi@intel.com> | |
25 | * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
26 | * | |
27 | * BSD LICENSE | |
28 | * | |
29 | * Copyright(c) 2017 Intel Deutschland GmbH | |
0433ae55 | 30 | * Copyright (C) 2019 - 2020 Intel Corporation |
813df5ce LC |
31 | * All rights reserved. |
32 | * | |
33 | * Redistribution and use in source and binary forms, with or without | |
34 | * modification, are permitted provided that the following conditions | |
35 | * are met: | |
36 | * | |
37 | * * Redistributions of source code must retain the above copyright | |
38 | * notice, this list of conditions and the following disclaimer. | |
39 | * * Redistributions in binary form must reproduce the above copyright | |
40 | * notice, this list of conditions and the following disclaimer in | |
41 | * the documentation and/or other materials provided with the | |
42 | * distribution. | |
43 | * * Neither the name Intel Corporation nor the names of its | |
44 | * contributors may be used to endorse or promote products derived | |
45 | * from this software without specific prior written permission. | |
46 | * | |
47 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
48 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
49 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
50 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
51 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
52 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
53 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
54 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
55 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
56 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
57 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
58 | * | |
59 | *****************************************************************************/ | |
60 | ||
61 | #include "iwl-drv.h" | |
62 | #include "iwl-debug.h" | |
63 | #include "acpi.h" | |
39c1a972 | 64 | #include "fw/runtime.h" |
813df5ce LC |
65 | |
66 | void *iwl_acpi_get_object(struct device *dev, acpi_string method) | |
67 | { | |
68 | acpi_handle root_handle; | |
69 | acpi_handle handle; | |
70 | struct acpi_buffer buf = {ACPI_ALLOCATE_BUFFER, NULL}; | |
71 | acpi_status status; | |
72 | ||
73 | root_handle = ACPI_HANDLE(dev); | |
74 | if (!root_handle) { | |
75 | IWL_DEBUG_DEV_RADIO(dev, | |
76 | "Could not retrieve root port ACPI handle\n"); | |
77 | return ERR_PTR(-ENOENT); | |
78 | } | |
79 | ||
80 | /* Get the method's handle */ | |
81 | status = acpi_get_handle(root_handle, method, &handle); | |
82 | if (ACPI_FAILURE(status)) { | |
83 | IWL_DEBUG_DEV_RADIO(dev, "%s method not found\n", method); | |
84 | return ERR_PTR(-ENOENT); | |
85 | } | |
86 | ||
87 | /* Call the method with no arguments */ | |
88 | status = acpi_evaluate_object(handle, NULL, NULL, &buf); | |
89 | if (ACPI_FAILURE(status)) { | |
90 | IWL_DEBUG_DEV_RADIO(dev, "%s invocation failed (0x%x)\n", | |
91 | method, status); | |
92 | return ERR_PTR(-ENOENT); | |
93 | } | |
94 | ||
95 | return buf.pointer; | |
96 | } | |
97 | IWL_EXPORT_SYMBOL(iwl_acpi_get_object); | |
2fa388cf LC |
98 | |
99 | union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev, | |
100 | union acpi_object *data, | |
0c3d7282 | 101 | int data_size, int *tbl_rev) |
2fa388cf LC |
102 | { |
103 | int i; | |
104 | union acpi_object *wifi_pkg; | |
105 | ||
106 | /* | |
107 | * We need at least one entry in the wifi package that | |
108 | * describes the domain, and one more entry, otherwise there's | |
109 | * no point in reading it. | |
110 | */ | |
111 | if (WARN_ON_ONCE(data_size < 2)) | |
112 | return ERR_PTR(-EINVAL); | |
113 | ||
114 | /* | |
115 | * We need at least two packages, one for the revision and one | |
116 | * for the data itself. Also check that the revision is valid | |
0c3d7282 HD |
117 | * (i.e. it is an integer smaller than 2, as we currently support only |
118 | * 2 revisions). | |
2fa388cf LC |
119 | */ |
120 | if (data->type != ACPI_TYPE_PACKAGE || | |
121 | data->package.count < 2 || | |
122 | data->package.elements[0].type != ACPI_TYPE_INTEGER || | |
0c3d7282 | 123 | data->package.elements[0].integer.value > 1) { |
2fa388cf LC |
124 | IWL_DEBUG_DEV_RADIO(dev, "Unsupported packages structure\n"); |
125 | return ERR_PTR(-EINVAL); | |
126 | } | |
127 | ||
0c3d7282 HD |
128 | *tbl_rev = data->package.elements[0].integer.value; |
129 | ||
2fa388cf LC |
130 | /* loop through all the packages to find the one for WiFi */ |
131 | for (i = 1; i < data->package.count; i++) { | |
132 | union acpi_object *domain; | |
133 | ||
134 | wifi_pkg = &data->package.elements[i]; | |
135 | ||
136 | /* skip entries that are not a package with the right size */ | |
137 | if (wifi_pkg->type != ACPI_TYPE_PACKAGE || | |
138 | wifi_pkg->package.count != data_size) | |
139 | continue; | |
140 | ||
141 | domain = &wifi_pkg->package.elements[0]; | |
142 | if (domain->type == ACPI_TYPE_INTEGER && | |
143 | domain->integer.value == ACPI_WIFI_DOMAIN) | |
144 | goto found; | |
145 | } | |
146 | ||
147 | return ERR_PTR(-ENOENT); | |
148 | ||
149 | found: | |
150 | return wifi_pkg; | |
151 | } | |
152 | IWL_EXPORT_SYMBOL(iwl_acpi_get_wifi_pkg); | |
45f65569 LC |
153 | |
154 | int iwl_acpi_get_mcc(struct device *dev, char *mcc) | |
155 | { | |
156 | union acpi_object *wifi_pkg, *data; | |
157 | u32 mcc_val; | |
0c3d7282 | 158 | int ret, tbl_rev; |
45f65569 LC |
159 | |
160 | data = iwl_acpi_get_object(dev, ACPI_WRDD_METHOD); | |
161 | if (IS_ERR(data)) | |
162 | return PTR_ERR(data); | |
163 | ||
0c3d7282 HD |
164 | wifi_pkg = iwl_acpi_get_wifi_pkg(dev, data, ACPI_WRDD_WIFI_DATA_SIZE, |
165 | &tbl_rev); | |
3ed83da3 | 166 | if (IS_ERR(wifi_pkg)) { |
45f65569 LC |
167 | ret = PTR_ERR(wifi_pkg); |
168 | goto out_free; | |
169 | } | |
170 | ||
3ed83da3 LC |
171 | if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER || |
172 | tbl_rev != 0) { | |
45f65569 LC |
173 | ret = -EINVAL; |
174 | goto out_free; | |
175 | } | |
176 | ||
177 | mcc_val = wifi_pkg->package.elements[1].integer.value; | |
178 | ||
179 | mcc[0] = (mcc_val >> 8) & 0xff; | |
180 | mcc[1] = mcc_val & 0xff; | |
181 | mcc[2] = '\0'; | |
182 | ||
183 | ret = 0; | |
184 | out_free: | |
185 | kfree(data); | |
186 | return ret; | |
187 | } | |
188 | IWL_EXPORT_SYMBOL(iwl_acpi_get_mcc); | |
1184611e LC |
189 | |
190 | u64 iwl_acpi_get_pwr_limit(struct device *dev) | |
191 | { | |
192 | union acpi_object *data, *wifi_pkg; | |
193 | u64 dflt_pwr_limit; | |
0c3d7282 | 194 | int tbl_rev; |
1184611e LC |
195 | |
196 | data = iwl_acpi_get_object(dev, ACPI_SPLC_METHOD); | |
197 | if (IS_ERR(data)) { | |
198 | dflt_pwr_limit = 0; | |
199 | goto out; | |
200 | } | |
201 | ||
202 | wifi_pkg = iwl_acpi_get_wifi_pkg(dev, data, | |
0c3d7282 HD |
203 | ACPI_SPLC_WIFI_DATA_SIZE, &tbl_rev); |
204 | if (IS_ERR(wifi_pkg) || tbl_rev != 0 || | |
1184611e LC |
205 | wifi_pkg->package.elements[1].integer.value != ACPI_TYPE_INTEGER) { |
206 | dflt_pwr_limit = 0; | |
207 | goto out_free; | |
208 | } | |
209 | ||
210 | dflt_pwr_limit = wifi_pkg->package.elements[1].integer.value; | |
211 | out_free: | |
212 | kfree(data); | |
213 | out: | |
214 | return dflt_pwr_limit; | |
215 | } | |
216 | IWL_EXPORT_SYMBOL(iwl_acpi_get_pwr_limit); | |
48e775e6 HD |
217 | |
218 | int iwl_acpi_get_eckv(struct device *dev, u32 *extl_clk) | |
219 | { | |
220 | union acpi_object *wifi_pkg, *data; | |
0c3d7282 | 221 | int ret, tbl_rev; |
48e775e6 HD |
222 | |
223 | data = iwl_acpi_get_object(dev, ACPI_ECKV_METHOD); | |
224 | if (IS_ERR(data)) | |
225 | return PTR_ERR(data); | |
226 | ||
0c3d7282 HD |
227 | wifi_pkg = iwl_acpi_get_wifi_pkg(dev, data, ACPI_ECKV_WIFI_DATA_SIZE, |
228 | &tbl_rev); | |
3ed83da3 | 229 | if (IS_ERR(wifi_pkg)) { |
48e775e6 HD |
230 | ret = PTR_ERR(wifi_pkg); |
231 | goto out_free; | |
232 | } | |
233 | ||
3ed83da3 LC |
234 | if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER || |
235 | tbl_rev != 0) { | |
48e775e6 HD |
236 | ret = -EINVAL; |
237 | goto out_free; | |
238 | } | |
239 | ||
240 | *extl_clk = wifi_pkg->package.elements[1].integer.value; | |
241 | ||
242 | ret = 0; | |
243 | ||
244 | out_free: | |
245 | kfree(data); | |
246 | return ret; | |
247 | } | |
248 | IWL_EXPORT_SYMBOL(iwl_acpi_get_eckv); | |
39c1a972 IZ |
249 | |
250 | int iwl_sar_set_profile(union acpi_object *table, | |
251 | struct iwl_sar_profile *profile, | |
252 | bool enabled) | |
253 | { | |
254 | int i; | |
255 | ||
256 | profile->enabled = enabled; | |
257 | ||
258 | for (i = 0; i < ACPI_SAR_TABLE_SIZE; i++) { | |
259 | if (table[i].type != ACPI_TYPE_INTEGER || | |
260 | table[i].integer.value > U8_MAX) | |
261 | return -EINVAL; | |
262 | ||
263 | profile->table[i] = table[i].integer.value; | |
264 | } | |
265 | ||
266 | return 0; | |
267 | } | |
268 | IWL_EXPORT_SYMBOL(iwl_sar_set_profile); | |
269 | ||
270 | int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt, | |
271 | __le16 per_chain_restriction[][IWL_NUM_SUB_BANDS], | |
272 | int prof_a, int prof_b) | |
273 | { | |
274 | int i, j, idx; | |
275 | int profs[ACPI_SAR_NUM_CHAIN_LIMITS] = { prof_a, prof_b }; | |
276 | ||
277 | BUILD_BUG_ON(ACPI_SAR_NUM_CHAIN_LIMITS < 2); | |
278 | BUILD_BUG_ON(ACPI_SAR_NUM_CHAIN_LIMITS * ACPI_SAR_NUM_SUB_BANDS != | |
279 | ACPI_SAR_TABLE_SIZE); | |
280 | ||
281 | for (i = 0; i < ACPI_SAR_NUM_CHAIN_LIMITS; i++) { | |
282 | struct iwl_sar_profile *prof; | |
283 | ||
284 | /* don't allow SAR to be disabled (profile 0 means disable) */ | |
285 | if (profs[i] == 0) | |
286 | return -EPERM; | |
287 | ||
288 | /* we are off by one, so allow up to ACPI_SAR_PROFILE_NUM */ | |
289 | if (profs[i] > ACPI_SAR_PROFILE_NUM) | |
290 | return -EINVAL; | |
291 | ||
292 | /* profiles go from 1 to 4, so decrement to access the array */ | |
293 | prof = &fwrt->sar_profiles[profs[i] - 1]; | |
294 | ||
295 | /* if the profile is disabled, do nothing */ | |
296 | if (!prof->enabled) { | |
297 | IWL_DEBUG_RADIO(fwrt, "SAR profile %d is disabled.\n", | |
298 | profs[i]); | |
1edd56e6 LC |
299 | /* |
300 | * if one of the profiles is disabled, we | |
301 | * ignore all of them and return 1 to | |
302 | * differentiate disabled from other failures. | |
303 | */ | |
304 | return 1; | |
39c1a972 | 305 | } |
1edd56e6 | 306 | |
39c1a972 IZ |
307 | IWL_DEBUG_INFO(fwrt, |
308 | "SAR EWRD: chain %d profile index %d\n", | |
309 | i, profs[i]); | |
310 | IWL_DEBUG_RADIO(fwrt, " Chain[%d]:\n", i); | |
311 | for (j = 0; j < ACPI_SAR_NUM_SUB_BANDS; j++) { | |
312 | idx = (i * ACPI_SAR_NUM_SUB_BANDS) + j; | |
313 | per_chain_restriction[i][j] = | |
314 | cpu_to_le16(prof->table[idx]); | |
315 | IWL_DEBUG_RADIO(fwrt, " Band[%d] = %d * .125dBm\n", | |
316 | j, prof->table[idx]); | |
317 | } | |
318 | } | |
319 | ||
320 | return 0; | |
321 | } | |
322 | IWL_EXPORT_SYMBOL(iwl_sar_select_profile); | |
323 | ||
324 | int iwl_sar_get_wrds_table(struct iwl_fw_runtime *fwrt) | |
325 | { | |
326 | union acpi_object *wifi_pkg, *table, *data; | |
327 | bool enabled; | |
328 | int ret, tbl_rev; | |
329 | ||
330 | data = iwl_acpi_get_object(fwrt->dev, ACPI_WRDS_METHOD); | |
331 | if (IS_ERR(data)) | |
332 | return PTR_ERR(data); | |
333 | ||
334 | wifi_pkg = iwl_acpi_get_wifi_pkg(fwrt->dev, data, | |
335 | ACPI_WRDS_WIFI_DATA_SIZE, &tbl_rev); | |
336 | if (IS_ERR(wifi_pkg) || tbl_rev != 0) { | |
337 | ret = PTR_ERR(wifi_pkg); | |
338 | goto out_free; | |
339 | } | |
340 | ||
341 | if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) { | |
342 | ret = -EINVAL; | |
343 | goto out_free; | |
344 | } | |
345 | ||
346 | enabled = !!(wifi_pkg->package.elements[1].integer.value); | |
347 | ||
348 | /* position of the actual table */ | |
349 | table = &wifi_pkg->package.elements[2]; | |
350 | ||
351 | /* The profile from WRDS is officially profile 1, but goes | |
352 | * into sar_profiles[0] (because we don't have a profile 0). | |
353 | */ | |
354 | ret = iwl_sar_set_profile(table, &fwrt->sar_profiles[0], enabled); | |
355 | out_free: | |
356 | kfree(data); | |
357 | return ret; | |
358 | } | |
359 | IWL_EXPORT_SYMBOL(iwl_sar_get_wrds_table); | |
360 | ||
361 | int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt) | |
362 | { | |
363 | union acpi_object *wifi_pkg, *data; | |
364 | bool enabled; | |
fb3c06cf LC |
365 | int i, n_profiles, tbl_rev, pos; |
366 | int ret = 0; | |
39c1a972 IZ |
367 | |
368 | data = iwl_acpi_get_object(fwrt->dev, ACPI_EWRD_METHOD); | |
369 | if (IS_ERR(data)) | |
370 | return PTR_ERR(data); | |
371 | ||
372 | wifi_pkg = iwl_acpi_get_wifi_pkg(fwrt->dev, data, | |
373 | ACPI_EWRD_WIFI_DATA_SIZE, &tbl_rev); | |
374 | if (IS_ERR(wifi_pkg) || tbl_rev != 0) { | |
375 | ret = PTR_ERR(wifi_pkg); | |
376 | goto out_free; | |
377 | } | |
378 | ||
379 | if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER || | |
380 | wifi_pkg->package.elements[2].type != ACPI_TYPE_INTEGER) { | |
381 | ret = -EINVAL; | |
382 | goto out_free; | |
383 | } | |
384 | ||
385 | enabled = !!(wifi_pkg->package.elements[1].integer.value); | |
386 | n_profiles = wifi_pkg->package.elements[2].integer.value; | |
387 | ||
388 | /* | |
389 | * Check the validity of n_profiles. The EWRD profiles start | |
390 | * from index 1, so the maximum value allowed here is | |
391 | * ACPI_SAR_PROFILES_NUM - 1. | |
392 | */ | |
393 | if (n_profiles <= 0 || n_profiles >= ACPI_SAR_PROFILE_NUM) { | |
394 | ret = -EINVAL; | |
395 | goto out_free; | |
396 | } | |
397 | ||
fb3c06cf LC |
398 | /* the tables start at element 3 */ |
399 | pos = 3; | |
39c1a972 | 400 | |
fb3c06cf | 401 | for (i = 0; i < n_profiles; i++) { |
39c1a972 IZ |
402 | /* The EWRD profiles officially go from 2 to 4, but we |
403 | * save them in sar_profiles[1-3] (because we don't | |
404 | * have profile 0). So in the array we start from 1. | |
405 | */ | |
406 | ret = iwl_sar_set_profile(&wifi_pkg->package.elements[pos], | |
407 | &fwrt->sar_profiles[i + 1], | |
408 | enabled); | |
409 | if (ret < 0) | |
410 | break; | |
411 | ||
412 | /* go to the next table */ | |
413 | pos += ACPI_SAR_TABLE_SIZE; | |
414 | } | |
415 | ||
416 | out_free: | |
417 | kfree(data); | |
418 | return ret; | |
419 | } | |
420 | IWL_EXPORT_SYMBOL(iwl_sar_get_ewrd_table); | |
421 | ||
422 | int iwl_sar_get_wgds_table(struct iwl_fw_runtime *fwrt) | |
423 | { | |
424 | union acpi_object *wifi_pkg, *data; | |
425 | int i, j, ret, tbl_rev; | |
426 | int idx = 1; | |
427 | ||
428 | data = iwl_acpi_get_object(fwrt->dev, ACPI_WGDS_METHOD); | |
429 | if (IS_ERR(data)) | |
430 | return PTR_ERR(data); | |
431 | ||
432 | wifi_pkg = iwl_acpi_get_wifi_pkg(fwrt->dev, data, | |
433 | ACPI_WGDS_WIFI_DATA_SIZE, &tbl_rev); | |
434 | if (IS_ERR(wifi_pkg) || tbl_rev > 1) { | |
435 | ret = PTR_ERR(wifi_pkg); | |
436 | goto out_free; | |
437 | } | |
438 | ||
439 | fwrt->geo_rev = tbl_rev; | |
440 | for (i = 0; i < ACPI_NUM_GEO_PROFILES; i++) { | |
441 | for (j = 0; j < ACPI_GEO_TABLE_SIZE; j++) { | |
442 | union acpi_object *entry; | |
443 | ||
444 | entry = &wifi_pkg->package.elements[idx++]; | |
445 | if (entry->type != ACPI_TYPE_INTEGER || | |
446 | entry->integer.value > U8_MAX) { | |
447 | ret = -EINVAL; | |
448 | goto out_free; | |
449 | } | |
450 | ||
451 | fwrt->geo_profiles[i].values[j] = entry->integer.value; | |
452 | } | |
453 | } | |
454 | ret = 0; | |
455 | out_free: | |
456 | kfree(data); | |
457 | return ret; | |
458 | } | |
459 | IWL_EXPORT_SYMBOL(iwl_sar_get_wgds_table); | |
460 | ||
461 | bool iwl_sar_geo_support(struct iwl_fw_runtime *fwrt) | |
462 | { | |
463 | /* | |
464 | * The GEO_TX_POWER_LIMIT command is not supported on earlier | |
465 | * firmware versions. Unfortunately, we don't have a TLV API | |
466 | * flag to rely on, so rely on the major version which is in | |
467 | * the first byte of ucode_ver. This was implemented | |
468 | * initially on version 38 and then backported to 17. It was | |
469 | * also backported to 29, but only for 7265D devices. The | |
470 | * intention was to have it in 36 as well, but not all 8000 | |
471 | * family got this feature enabled. The 8000 family is the | |
472 | * only one using version 36, so skip this version entirely. | |
473 | */ | |
474 | return IWL_UCODE_SERIAL(fwrt->fw->ucode_ver) >= 38 || | |
475 | IWL_UCODE_SERIAL(fwrt->fw->ucode_ver) == 17 || | |
476 | (IWL_UCODE_SERIAL(fwrt->fw->ucode_ver) == 29 && | |
477 | ((fwrt->trans->hw_rev & CSR_HW_REV_TYPE_MSK) == | |
478 | CSR_HW_REV_TYPE_7265D)); | |
479 | } | |
480 | IWL_EXPORT_SYMBOL(iwl_sar_geo_support); | |
481 | ||
482 | int iwl_validate_sar_geo_profile(struct iwl_fw_runtime *fwrt, | |
483 | struct iwl_host_cmd *cmd) | |
484 | { | |
485 | struct iwl_geo_tx_power_profiles_resp *resp; | |
486 | int ret; | |
487 | ||
488 | resp = (void *)cmd->resp_pkt->data; | |
489 | ret = le32_to_cpu(resp->profile_idx); | |
490 | if (WARN_ON(ret > ACPI_NUM_GEO_PROFILES)) { | |
491 | ret = -EIO; | |
492 | IWL_WARN(fwrt, "Invalid geographic profile idx (%d)\n", ret); | |
493 | } | |
494 | ||
495 | return ret; | |
496 | } | |
497 | IWL_EXPORT_SYMBOL(iwl_validate_sar_geo_profile); | |
498 | ||
0433ae55 GBA |
499 | int iwl_sar_geo_init(struct iwl_fw_runtime *fwrt, |
500 | struct iwl_per_chain_offset_group *table) | |
39c1a972 IZ |
501 | { |
502 | int ret, i, j; | |
503 | ||
504 | if (!iwl_sar_geo_support(fwrt)) | |
0433ae55 | 505 | return -EOPNOTSUPP; |
39c1a972 IZ |
506 | |
507 | ret = iwl_sar_get_wgds_table(fwrt); | |
508 | if (ret < 0) { | |
509 | IWL_DEBUG_RADIO(fwrt, | |
510 | "Geo SAR BIOS table invalid or unavailable. (%d)\n", | |
511 | ret); | |
512 | /* we don't fail if the table is not available */ | |
0433ae55 | 513 | return -ENOENT; |
39c1a972 IZ |
514 | } |
515 | ||
516 | BUILD_BUG_ON(ACPI_NUM_GEO_PROFILES * ACPI_WGDS_NUM_BANDS * | |
517 | ACPI_WGDS_TABLE_SIZE + 1 != ACPI_WGDS_WIFI_DATA_SIZE); | |
518 | ||
519 | BUILD_BUG_ON(ACPI_NUM_GEO_PROFILES > IWL_NUM_GEO_PROFILES); | |
520 | ||
521 | for (i = 0; i < ACPI_NUM_GEO_PROFILES; i++) { | |
522 | struct iwl_per_chain_offset *chain = | |
523 | (struct iwl_per_chain_offset *)&table[i]; | |
524 | ||
525 | for (j = 0; j < ACPI_WGDS_NUM_BANDS; j++) { | |
526 | u8 *value; | |
527 | ||
528 | value = &fwrt->geo_profiles[i].values[j * | |
529 | ACPI_GEO_PER_CHAIN_SIZE]; | |
530 | chain[j].max_tx_power = cpu_to_le16(value[0]); | |
531 | chain[j].chain_a = value[1]; | |
532 | chain[j].chain_b = value[2]; | |
533 | IWL_DEBUG_RADIO(fwrt, | |
534 | "SAR geographic profile[%d] Band[%d]: chain A = %d chain B = %d max_tx_power = %d\n", | |
535 | i, j, value[1], value[2], value[0]); | |
536 | } | |
537 | } | |
0433ae55 GBA |
538 | |
539 | return 0; | |
39c1a972 IZ |
540 | } |
541 | IWL_EXPORT_SYMBOL(iwl_sar_geo_init); |