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iwlwifi: mvm: new NVM format in family 8000
[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-nvm-parse.c
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) 2008 - 2014 Intel Corporation. All rights reserved.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
13 *
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
18 *
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20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
22 * USA
23 *
24 * The full GNU General Public License is included in this distribution
25 * in the file called COPYING.
26 *
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
30 *
31 * BSD LICENSE
32 *
33 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
34 * All rights reserved.
35 *
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37 * modification, are permitted provided that the following conditions
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39 *
40 * * Redistributions of source code must retain the above copyright
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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
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55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
61 *****************************************************************************/
62 #include <linux/types.h>
63 #include <linux/slab.h>
64 #include <linux/export.h>
65 #include "iwl-drv.h"
66 #include "iwl-modparams.h"
67 #include "iwl-nvm-parse.h"
68
69 /* NVM offsets (in words) definitions */
70 enum wkp_nvm_offsets {
71 /* NVM HW-Section offset (in words) definitions */
72 HW_ADDR = 0x15,
73
74 /* NVM SW-Section offset (in words) definitions */
75 NVM_SW_SECTION = 0x1C0,
76 NVM_VERSION = 0,
77 RADIO_CFG = 1,
78 SKU = 2,
79 N_HW_ADDRS = 3,
80 NVM_CHANNELS = 0x1E0 - NVM_SW_SECTION,
81
82 /* NVM calibration section offset (in words) definitions */
83 NVM_CALIB_SECTION = 0x2B8,
84 XTAL_CALIB = 0x316 - NVM_CALIB_SECTION
85 };
86
87 enum family_8000_nvm_offsets {
88 /* NVM HW-Section offset (in words) definitions */
89 HW_ADDR0_FAMILY_8000 = 0x12,
90 HW_ADDR1_FAMILY_8000 = 0x16,
91 MAC_ADDRESS_OVERRIDE_FAMILY_8000 = 1,
92
93 /* NVM SW-Section offset (in words) definitions */
94 NVM_SW_SECTION_FAMILY_8000 = 0x1C0,
95 NVM_VERSION_FAMILY_8000 = 0,
96 RADIO_CFG_FAMILY_8000 = 2,
97 SKU_FAMILY_8000 = 4,
98 N_HW_ADDRS_FAMILY_8000 = 5,
99
100 /* NVM REGULATORY -Section offset (in words) definitions */
101 NVM_CHANNELS_FAMILY_8000 = 0,
102
103 /* NVM calibration section offset (in words) definitions */
104 NVM_CALIB_SECTION_FAMILY_8000 = 0x2B8,
105 XTAL_CALIB_FAMILY_8000 = 0x316 - NVM_CALIB_SECTION_FAMILY_8000
106 };
107
108 /* SKU Capabilities (actual values from NVM definition) */
109 enum nvm_sku_bits {
110 NVM_SKU_CAP_BAND_24GHZ = BIT(0),
111 NVM_SKU_CAP_BAND_52GHZ = BIT(1),
112 NVM_SKU_CAP_11N_ENABLE = BIT(2),
113 NVM_SKU_CAP_11AC_ENABLE = BIT(3),
114 };
115
116 /*
117 * These are the channel numbers in the order that they are stored in the NVM
118 */
119 static const u8 iwl_nvm_channels[] = {
120 /* 2.4 GHz */
121 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
122 /* 5 GHz */
123 36, 40, 44 , 48, 52, 56, 60, 64,
124 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144,
125 149, 153, 157, 161, 165
126 };
127
128 static const u8 iwl_nvm_channels_family_8000[] = {
129 /* 2.4 GHz */
130 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
131 /* 5 GHz */
132 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92,
133 96, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144,
134 149, 153, 157, 161, 165, 169, 173, 177, 181
135 };
136
137 #define IWL_NUM_CHANNELS ARRAY_SIZE(iwl_nvm_channels)
138 #define IWL_NUM_CHANNELS_FAMILY_8000 ARRAY_SIZE(iwl_nvm_channels_family_8000)
139 #define NUM_2GHZ_CHANNELS 14
140 #define FIRST_2GHZ_HT_MINUS 5
141 #define LAST_2GHZ_HT_PLUS 9
142 #define LAST_5GHZ_HT 161
143
144 #define DEFAULT_MAX_TX_POWER 16
145
146 /* rate data (static) */
147 static struct ieee80211_rate iwl_cfg80211_rates[] = {
148 { .bitrate = 1 * 10, .hw_value = 0, .hw_value_short = 0, },
149 { .bitrate = 2 * 10, .hw_value = 1, .hw_value_short = 1,
150 .flags = IEEE80211_RATE_SHORT_PREAMBLE, },
151 { .bitrate = 5.5 * 10, .hw_value = 2, .hw_value_short = 2,
152 .flags = IEEE80211_RATE_SHORT_PREAMBLE, },
153 { .bitrate = 11 * 10, .hw_value = 3, .hw_value_short = 3,
154 .flags = IEEE80211_RATE_SHORT_PREAMBLE, },
155 { .bitrate = 6 * 10, .hw_value = 4, .hw_value_short = 4, },
156 { .bitrate = 9 * 10, .hw_value = 5, .hw_value_short = 5, },
157 { .bitrate = 12 * 10, .hw_value = 6, .hw_value_short = 6, },
158 { .bitrate = 18 * 10, .hw_value = 7, .hw_value_short = 7, },
159 { .bitrate = 24 * 10, .hw_value = 8, .hw_value_short = 8, },
160 { .bitrate = 36 * 10, .hw_value = 9, .hw_value_short = 9, },
161 { .bitrate = 48 * 10, .hw_value = 10, .hw_value_short = 10, },
162 { .bitrate = 54 * 10, .hw_value = 11, .hw_value_short = 11, },
163 };
164 #define RATES_24_OFFS 0
165 #define N_RATES_24 ARRAY_SIZE(iwl_cfg80211_rates)
166 #define RATES_52_OFFS 4
167 #define N_RATES_52 (N_RATES_24 - RATES_52_OFFS)
168
169 /**
170 * enum iwl_nvm_channel_flags - channel flags in NVM
171 * @NVM_CHANNEL_VALID: channel is usable for this SKU/geo
172 * @NVM_CHANNEL_IBSS: usable as an IBSS channel
173 * @NVM_CHANNEL_ACTIVE: active scanning allowed
174 * @NVM_CHANNEL_RADAR: radar detection required
175 * @NVM_CHANNEL_DFS: dynamic freq selection candidate
176 * @NVM_CHANNEL_WIDE: 20 MHz channel okay (?)
177 * @NVM_CHANNEL_40MHZ: 40 MHz channel okay (?)
178 * @NVM_CHANNEL_80MHZ: 80 MHz channel okay (?)
179 * @NVM_CHANNEL_160MHZ: 160 MHz channel okay (?)
180 */
181 enum iwl_nvm_channel_flags {
182 NVM_CHANNEL_VALID = BIT(0),
183 NVM_CHANNEL_IBSS = BIT(1),
184 NVM_CHANNEL_ACTIVE = BIT(3),
185 NVM_CHANNEL_RADAR = BIT(4),
186 NVM_CHANNEL_DFS = BIT(7),
187 NVM_CHANNEL_WIDE = BIT(8),
188 NVM_CHANNEL_40MHZ = BIT(9),
189 NVM_CHANNEL_80MHZ = BIT(10),
190 NVM_CHANNEL_160MHZ = BIT(11),
191 };
192
193 #define CHECK_AND_PRINT_I(x) \
194 ((ch_flags & NVM_CHANNEL_##x) ? # x " " : "")
195
196 static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
197 struct iwl_nvm_data *data,
198 const __le16 * const nvm_ch_flags)
199 {
200 int ch_idx;
201 int n_channels = 0;
202 struct ieee80211_channel *channel;
203 u16 ch_flags;
204 bool is_5ghz;
205 int num_of_ch;
206 const u8 *nvm_chan;
207
208 if (cfg->device_family != IWL_DEVICE_FAMILY_8000) {
209 num_of_ch = IWL_NUM_CHANNELS;
210 nvm_chan = &iwl_nvm_channels[0];
211 } else {
212 num_of_ch = IWL_NUM_CHANNELS_FAMILY_8000;
213 nvm_chan = &iwl_nvm_channels_family_8000[0];
214 }
215
216 for (ch_idx = 0; ch_idx < num_of_ch; ch_idx++) {
217 ch_flags = __le16_to_cpup(nvm_ch_flags + ch_idx);
218 if (!(ch_flags & NVM_CHANNEL_VALID)) {
219 IWL_DEBUG_EEPROM(dev,
220 "Ch. %d Flags %x [%sGHz] - No traffic\n",
221 nvm_chan[ch_idx],
222 ch_flags,
223 (ch_idx >= NUM_2GHZ_CHANNELS) ?
224 "5.2" : "2.4");
225 continue;
226 }
227
228 channel = &data->channels[n_channels];
229 n_channels++;
230
231 channel->hw_value = nvm_chan[ch_idx];
232 channel->band = (ch_idx < NUM_2GHZ_CHANNELS) ?
233 IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
234 channel->center_freq =
235 ieee80211_channel_to_frequency(
236 channel->hw_value, channel->band);
237
238 /* TODO: Need to be dependent to the NVM */
239 channel->flags = IEEE80211_CHAN_NO_HT40;
240 if (ch_idx < NUM_2GHZ_CHANNELS &&
241 (ch_flags & NVM_CHANNEL_40MHZ)) {
242 if (nvm_chan[ch_idx] <= LAST_2GHZ_HT_PLUS)
243 channel->flags &= ~IEEE80211_CHAN_NO_HT40PLUS;
244 if (nvm_chan[ch_idx] >= FIRST_2GHZ_HT_MINUS)
245 channel->flags &= ~IEEE80211_CHAN_NO_HT40MINUS;
246 } else if (nvm_chan[ch_idx] <= LAST_5GHZ_HT &&
247 (ch_flags & NVM_CHANNEL_40MHZ)) {
248 if ((ch_idx - NUM_2GHZ_CHANNELS) % 2 == 0)
249 channel->flags &= ~IEEE80211_CHAN_NO_HT40PLUS;
250 else
251 channel->flags &= ~IEEE80211_CHAN_NO_HT40MINUS;
252 }
253 if (!(ch_flags & NVM_CHANNEL_80MHZ))
254 channel->flags |= IEEE80211_CHAN_NO_80MHZ;
255 if (!(ch_flags & NVM_CHANNEL_160MHZ))
256 channel->flags |= IEEE80211_CHAN_NO_160MHZ;
257
258 if (!(ch_flags & NVM_CHANNEL_IBSS))
259 channel->flags |= IEEE80211_CHAN_NO_IR;
260
261 if (!(ch_flags & NVM_CHANNEL_ACTIVE))
262 channel->flags |= IEEE80211_CHAN_NO_IR;
263
264 if (ch_flags & NVM_CHANNEL_RADAR)
265 channel->flags |= IEEE80211_CHAN_RADAR;
266
267 /* Initialize regulatory-based run-time data */
268
269 /*
270 * Default value - highest tx power value. max_power
271 * is not used in mvm, and is used for backwards compatibility
272 */
273 channel->max_power = DEFAULT_MAX_TX_POWER;
274 is_5ghz = channel->band == IEEE80211_BAND_5GHZ;
275 IWL_DEBUG_EEPROM(dev,
276 "Ch. %d [%sGHz] %s%s%s%s%s%s(0x%02x %ddBm): Ad-Hoc %ssupported\n",
277 channel->hw_value,
278 is_5ghz ? "5.2" : "2.4",
279 CHECK_AND_PRINT_I(VALID),
280 CHECK_AND_PRINT_I(IBSS),
281 CHECK_AND_PRINT_I(ACTIVE),
282 CHECK_AND_PRINT_I(RADAR),
283 CHECK_AND_PRINT_I(WIDE),
284 CHECK_AND_PRINT_I(DFS),
285 ch_flags,
286 channel->max_power,
287 ((ch_flags & NVM_CHANNEL_IBSS) &&
288 !(ch_flags & NVM_CHANNEL_RADAR))
289 ? "" : "not ");
290 }
291
292 return n_channels;
293 }
294
295 static void iwl_init_vht_hw_capab(const struct iwl_cfg *cfg,
296 struct iwl_nvm_data *data,
297 struct ieee80211_sta_vht_cap *vht_cap)
298 {
299 int num_ants = num_of_ant(data->valid_rx_ant);
300
301 vht_cap->vht_supported = true;
302
303 vht_cap->cap = IEEE80211_VHT_CAP_SHORT_GI_80 |
304 IEEE80211_VHT_CAP_RXSTBC_1 |
305 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
306 3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT |
307 7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
308
309 if (num_ants > 1)
310 vht_cap->cap |= IEEE80211_VHT_CAP_TXSTBC;
311
312 if (iwlwifi_mod_params.amsdu_size_8K)
313 vht_cap->cap |= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991;
314
315 vht_cap->vht_mcs.rx_mcs_map =
316 cpu_to_le16(IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
317 IEEE80211_VHT_MCS_SUPPORT_0_9 << 2 |
318 IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
319 IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
320 IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
321 IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
322 IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
323 IEEE80211_VHT_MCS_NOT_SUPPORTED << 14);
324
325 if (num_ants == 1 ||
326 cfg->rx_with_siso_diversity) {
327 vht_cap->cap |= IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN |
328 IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN;
329 /* this works because NOT_SUPPORTED == 3 */
330 vht_cap->vht_mcs.rx_mcs_map |=
331 cpu_to_le16(IEEE80211_VHT_MCS_NOT_SUPPORTED << 2);
332 }
333
334 vht_cap->vht_mcs.tx_mcs_map = vht_cap->vht_mcs.rx_mcs_map;
335 }
336
337 static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
338 struct iwl_nvm_data *data,
339 const __le16 *ch_section, bool enable_vht,
340 u8 tx_chains, u8 rx_chains)
341 {
342 int n_channels;
343 int n_used = 0;
344 struct ieee80211_supported_band *sband;
345
346 if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
347 n_channels = iwl_init_channel_map(
348 dev, cfg, data,
349 &ch_section[NVM_CHANNELS]);
350 else
351 n_channels = iwl_init_channel_map(
352 dev, cfg, data,
353 &ch_section[NVM_CHANNELS_FAMILY_8000]);
354
355 sband = &data->bands[IEEE80211_BAND_2GHZ];
356 sband->band = IEEE80211_BAND_2GHZ;
357 sband->bitrates = &iwl_cfg80211_rates[RATES_24_OFFS];
358 sband->n_bitrates = N_RATES_24;
359 n_used += iwl_init_sband_channels(data, sband, n_channels,
360 IEEE80211_BAND_2GHZ);
361 iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_2GHZ,
362 tx_chains, rx_chains);
363
364 sband = &data->bands[IEEE80211_BAND_5GHZ];
365 sband->band = IEEE80211_BAND_5GHZ;
366 sband->bitrates = &iwl_cfg80211_rates[RATES_52_OFFS];
367 sband->n_bitrates = N_RATES_52;
368 n_used += iwl_init_sband_channels(data, sband, n_channels,
369 IEEE80211_BAND_5GHZ);
370 iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_5GHZ,
371 tx_chains, rx_chains);
372 if (enable_vht)
373 iwl_init_vht_hw_capab(cfg, data, &sband->vht_cap);
374
375 if (n_channels != n_used)
376 IWL_ERR_DEV(dev, "NVM: used only %d of %d channels\n",
377 n_used, n_channels);
378 }
379
380 static int iwl_get_sku(const struct iwl_cfg *cfg,
381 const __le16 *nvm_sw)
382 {
383 if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
384 return le16_to_cpup(nvm_sw + SKU);
385 else
386 return le32_to_cpup((__le32 *)(nvm_sw + SKU_FAMILY_8000));
387 }
388
389 static int iwl_get_nvm_version(const struct iwl_cfg *cfg,
390 const __le16 *nvm_sw)
391 {
392 if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
393 return le16_to_cpup(nvm_sw + NVM_VERSION);
394 else
395 return le32_to_cpup((__le32 *)(nvm_sw +
396 NVM_VERSION_FAMILY_8000));
397 }
398
399 static int iwl_get_radio_cfg(const struct iwl_cfg *cfg,
400 const __le16 *nvm_sw)
401 {
402 if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
403 return le16_to_cpup(nvm_sw + RADIO_CFG);
404 else
405 return le32_to_cpup((__le32 *)(nvm_sw + RADIO_CFG_FAMILY_8000));
406 }
407
408 #define N_HW_ADDRS_MASK_FAMILY_8000 0xF
409 static int iwl_get_n_hw_addrs(const struct iwl_cfg *cfg,
410 const __le16 *nvm_sw)
411 {
412 if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
413 return le16_to_cpup(nvm_sw + N_HW_ADDRS);
414 else
415 return le32_to_cpup((__le32 *)(nvm_sw + N_HW_ADDRS_FAMILY_8000))
416 & N_HW_ADDRS_MASK_FAMILY_8000;
417 }
418
419 static void iwl_set_radio_cfg(const struct iwl_cfg *cfg,
420 struct iwl_nvm_data *data,
421 u32 radio_cfg)
422 {
423 if (cfg->device_family != IWL_DEVICE_FAMILY_8000) {
424 data->radio_cfg_type = NVM_RF_CFG_TYPE_MSK(radio_cfg);
425 data->radio_cfg_step = NVM_RF_CFG_STEP_MSK(radio_cfg);
426 data->radio_cfg_dash = NVM_RF_CFG_DASH_MSK(radio_cfg);
427 data->radio_cfg_pnum = NVM_RF_CFG_PNUM_MSK(radio_cfg);
428 data->valid_tx_ant = NVM_RF_CFG_TX_ANT_MSK(radio_cfg);
429 data->valid_rx_ant = NVM_RF_CFG_RX_ANT_MSK(radio_cfg);
430 return;
431 }
432
433 /* set the radio configuration for family 8000 */
434 data->radio_cfg_type = NVM_RF_CFG_TYPE_MSK_FAMILY_8000(radio_cfg);
435 data->radio_cfg_step = NVM_RF_CFG_STEP_MSK_FAMILY_8000(radio_cfg);
436 data->radio_cfg_dash = NVM_RF_CFG_DASH_MSK_FAMILY_8000(radio_cfg);
437 data->radio_cfg_pnum = NVM_RF_CFG_FLAVOR_MSK_FAMILY_8000(radio_cfg);
438 data->valid_tx_ant = NVM_RF_CFG_TX_ANT_MSK_FAMILY_8000(radio_cfg);
439 data->valid_rx_ant = NVM_RF_CFG_RX_ANT_MSK_FAMILY_8000(radio_cfg);
440 }
441
442 static void iwl_set_hw_address(const struct iwl_cfg *cfg,
443 struct iwl_nvm_data *data,
444 const __le16 *nvm_sec)
445 {
446 u8 hw_addr[ETH_ALEN];
447
448 if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
449 memcpy(hw_addr, nvm_sec + HW_ADDR, ETH_ALEN);
450 else
451 memcpy(hw_addr, nvm_sec + MAC_ADDRESS_OVERRIDE_FAMILY_8000,
452 ETH_ALEN);
453
454 /* The byte order is little endian 16 bit, meaning 214365 */
455 data->hw_addr[0] = hw_addr[1];
456 data->hw_addr[1] = hw_addr[0];
457 data->hw_addr[2] = hw_addr[3];
458 data->hw_addr[3] = hw_addr[2];
459 data->hw_addr[4] = hw_addr[5];
460 data->hw_addr[5] = hw_addr[4];
461 }
462
463 struct iwl_nvm_data *
464 iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg,
465 const __le16 *nvm_hw, const __le16 *nvm_sw,
466 const __le16 *nvm_calib, const __le16 *regulatory,
467 const __le16 *mac_override, u8 tx_chains, u8 rx_chains)
468 {
469 struct iwl_nvm_data *data;
470 u32 sku;
471 u32 radio_cfg;
472
473 if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
474 data = kzalloc(sizeof(*data) +
475 sizeof(struct ieee80211_channel) *
476 IWL_NUM_CHANNELS,
477 GFP_KERNEL);
478 else
479 data = kzalloc(sizeof(*data) +
480 sizeof(struct ieee80211_channel) *
481 IWL_NUM_CHANNELS_FAMILY_8000,
482 GFP_KERNEL);
483 if (!data)
484 return NULL;
485
486 data->nvm_version = iwl_get_nvm_version(cfg, nvm_sw);
487
488 radio_cfg = iwl_get_radio_cfg(cfg, nvm_sw);
489 iwl_set_radio_cfg(cfg, data, radio_cfg);
490
491 sku = iwl_get_sku(cfg, nvm_sw);
492 data->sku_cap_band_24GHz_enable = sku & NVM_SKU_CAP_BAND_24GHZ;
493 data->sku_cap_band_52GHz_enable = sku & NVM_SKU_CAP_BAND_52GHZ;
494 data->sku_cap_11n_enable = sku & NVM_SKU_CAP_11N_ENABLE;
495 data->sku_cap_11ac_enable = sku & NVM_SKU_CAP_11AC_ENABLE;
496 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_ALL)
497 data->sku_cap_11n_enable = false;
498
499 /* check overrides (some devices have wrong NVM) */
500 if (cfg->valid_tx_ant)
501 data->valid_tx_ant = cfg->valid_tx_ant;
502 if (cfg->valid_rx_ant)
503 data->valid_rx_ant = cfg->valid_rx_ant;
504
505 if (!data->valid_tx_ant || !data->valid_rx_ant) {
506 IWL_ERR_DEV(dev, "invalid antennas (0x%x, 0x%x)\n",
507 data->valid_tx_ant, data->valid_rx_ant);
508 kfree(data);
509 return NULL;
510 }
511
512 data->n_hw_addrs = iwl_get_n_hw_addrs(cfg, nvm_sw);
513
514 if (cfg->device_family != IWL_DEVICE_FAMILY_8000) {
515 /* Checking for required sections */
516 if (!nvm_calib) {
517 IWL_ERR_DEV(dev,
518 "Can't parse empty Calib NVM sections\n");
519 return NULL;
520 }
521 /* in family 8000 Xtal calibration values moved to OTP */
522 data->xtal_calib[0] = *(nvm_calib + XTAL_CALIB);
523 data->xtal_calib[1] = *(nvm_calib + XTAL_CALIB + 1);
524 }
525
526 if (cfg->device_family != IWL_DEVICE_FAMILY_8000) {
527 iwl_set_hw_address(cfg, data, nvm_hw);
528
529 iwl_init_sbands(dev, cfg, data, nvm_sw,
530 sku & NVM_SKU_CAP_11AC_ENABLE, tx_chains,
531 rx_chains);
532 } else {
533 /* MAC address in family 8000 */
534 iwl_set_hw_address(cfg, data, mac_override);
535
536 iwl_init_sbands(dev, cfg, data, regulatory,
537 sku & NVM_SKU_CAP_11AC_ENABLE, tx_chains,
538 rx_chains);
539 }
540
541 data->calib_version = 255;
542
543 return data;
544 }
545 IWL_EXPORT_SYMBOL(iwl_parse_nvm_data);
Linux kernel - Deliverables
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