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cfg80211: change GO_CONCURRENT to IR_CONCURRENT for STA
[mirror_ubuntu-bionic-kernel.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 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
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
26 * in the file called COPYING.
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 *
34 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
35 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
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 #include <linux/types.h>
65 #include <linux/slab.h>
66 #include <linux/export.h>
67 #include <linux/etherdevice.h>
68 #include <linux/pci.h>
69 #include "iwl-drv.h"
70 #include "iwl-modparams.h"
71 #include "iwl-nvm-parse.h"
72
73 /* NVM offsets (in words) definitions */
74 enum wkp_nvm_offsets {
75 /* NVM HW-Section offset (in words) definitions */
76 HW_ADDR = 0x15,
77
78 /* NVM SW-Section offset (in words) definitions */
79 NVM_SW_SECTION = 0x1C0,
80 NVM_VERSION = 0,
81 RADIO_CFG = 1,
82 SKU = 2,
83 N_HW_ADDRS = 3,
84 NVM_CHANNELS = 0x1E0 - NVM_SW_SECTION,
85
86 /* NVM calibration section offset (in words) definitions */
87 NVM_CALIB_SECTION = 0x2B8,
88 XTAL_CALIB = 0x316 - NVM_CALIB_SECTION
89 };
90
91 enum family_8000_nvm_offsets {
92 /* NVM HW-Section offset (in words) definitions */
93 HW_ADDR0_WFPM_FAMILY_8000 = 0x12,
94 HW_ADDR1_WFPM_FAMILY_8000 = 0x16,
95 HW_ADDR0_PCIE_FAMILY_8000 = 0x8A,
96 HW_ADDR1_PCIE_FAMILY_8000 = 0x8E,
97 MAC_ADDRESS_OVERRIDE_FAMILY_8000 = 1,
98
99 /* NVM SW-Section offset (in words) definitions */
100 NVM_SW_SECTION_FAMILY_8000 = 0x1C0,
101 NVM_VERSION_FAMILY_8000 = 0,
102 RADIO_CFG_FAMILY_8000 = 0,
103 SKU_FAMILY_8000 = 2,
104 N_HW_ADDRS_FAMILY_8000 = 3,
105
106 /* NVM REGULATORY -Section offset (in words) definitions */
107 NVM_CHANNELS_FAMILY_8000 = 0,
108 NVM_LAR_OFFSET_FAMILY_8000_OLD = 0x4C7,
109 NVM_LAR_OFFSET_FAMILY_8000 = 0x507,
110 NVM_LAR_ENABLED_FAMILY_8000 = 0x7,
111
112 /* NVM calibration section offset (in words) definitions */
113 NVM_CALIB_SECTION_FAMILY_8000 = 0x2B8,
114 XTAL_CALIB_FAMILY_8000 = 0x316 - NVM_CALIB_SECTION_FAMILY_8000
115 };
116
117 /* SKU Capabilities (actual values from NVM definition) */
118 enum nvm_sku_bits {
119 NVM_SKU_CAP_BAND_24GHZ = BIT(0),
120 NVM_SKU_CAP_BAND_52GHZ = BIT(1),
121 NVM_SKU_CAP_11N_ENABLE = BIT(2),
122 NVM_SKU_CAP_11AC_ENABLE = BIT(3),
123 };
124
125 /*
126 * These are the channel numbers in the order that they are stored in the NVM
127 */
128 static const u8 iwl_nvm_channels[] = {
129 /* 2.4 GHz */
130 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
131 /* 5 GHz */
132 36, 40, 44 , 48, 52, 56, 60, 64,
133 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144,
134 149, 153, 157, 161, 165
135 };
136
137 static const u8 iwl_nvm_channels_family_8000[] = {
138 /* 2.4 GHz */
139 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
140 /* 5 GHz */
141 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92,
142 96, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144,
143 149, 153, 157, 161, 165, 169, 173, 177, 181
144 };
145
146 #define IWL_NUM_CHANNELS ARRAY_SIZE(iwl_nvm_channels)
147 #define IWL_NUM_CHANNELS_FAMILY_8000 ARRAY_SIZE(iwl_nvm_channels_family_8000)
148 #define NUM_2GHZ_CHANNELS 14
149 #define NUM_2GHZ_CHANNELS_FAMILY_8000 14
150 #define FIRST_2GHZ_HT_MINUS 5
151 #define LAST_2GHZ_HT_PLUS 9
152 #define LAST_5GHZ_HT 165
153 #define LAST_5GHZ_HT_FAMILY_8000 181
154 #define N_HW_ADDR_MASK 0xF
155
156 /* rate data (static) */
157 static struct ieee80211_rate iwl_cfg80211_rates[] = {
158 { .bitrate = 1 * 10, .hw_value = 0, .hw_value_short = 0, },
159 { .bitrate = 2 * 10, .hw_value = 1, .hw_value_short = 1,
160 .flags = IEEE80211_RATE_SHORT_PREAMBLE, },
161 { .bitrate = 5.5 * 10, .hw_value = 2, .hw_value_short = 2,
162 .flags = IEEE80211_RATE_SHORT_PREAMBLE, },
163 { .bitrate = 11 * 10, .hw_value = 3, .hw_value_short = 3,
164 .flags = IEEE80211_RATE_SHORT_PREAMBLE, },
165 { .bitrate = 6 * 10, .hw_value = 4, .hw_value_short = 4, },
166 { .bitrate = 9 * 10, .hw_value = 5, .hw_value_short = 5, },
167 { .bitrate = 12 * 10, .hw_value = 6, .hw_value_short = 6, },
168 { .bitrate = 18 * 10, .hw_value = 7, .hw_value_short = 7, },
169 { .bitrate = 24 * 10, .hw_value = 8, .hw_value_short = 8, },
170 { .bitrate = 36 * 10, .hw_value = 9, .hw_value_short = 9, },
171 { .bitrate = 48 * 10, .hw_value = 10, .hw_value_short = 10, },
172 { .bitrate = 54 * 10, .hw_value = 11, .hw_value_short = 11, },
173 };
174 #define RATES_24_OFFS 0
175 #define N_RATES_24 ARRAY_SIZE(iwl_cfg80211_rates)
176 #define RATES_52_OFFS 4
177 #define N_RATES_52 (N_RATES_24 - RATES_52_OFFS)
178
179 /**
180 * enum iwl_nvm_channel_flags - channel flags in NVM
181 * @NVM_CHANNEL_VALID: channel is usable for this SKU/geo
182 * @NVM_CHANNEL_IBSS: usable as an IBSS channel
183 * @NVM_CHANNEL_ACTIVE: active scanning allowed
184 * @NVM_CHANNEL_RADAR: radar detection required
185 * @NVM_CHANNEL_INDOOR_ONLY: only indoor use is allowed
186 * @NVM_CHANNEL_GO_CONCURRENT: GO operation is allowed when connected to BSS
187 * on same channel on 2.4 or same UNII band on 5.2
188 * @NVM_CHANNEL_WIDE: 20 MHz channel okay (?)
189 * @NVM_CHANNEL_40MHZ: 40 MHz channel okay (?)
190 * @NVM_CHANNEL_80MHZ: 80 MHz channel okay (?)
191 * @NVM_CHANNEL_160MHZ: 160 MHz channel okay (?)
192 */
193 enum iwl_nvm_channel_flags {
194 NVM_CHANNEL_VALID = BIT(0),
195 NVM_CHANNEL_IBSS = BIT(1),
196 NVM_CHANNEL_ACTIVE = BIT(3),
197 NVM_CHANNEL_RADAR = BIT(4),
198 NVM_CHANNEL_INDOOR_ONLY = BIT(5),
199 NVM_CHANNEL_GO_CONCURRENT = BIT(6),
200 NVM_CHANNEL_WIDE = BIT(8),
201 NVM_CHANNEL_40MHZ = BIT(9),
202 NVM_CHANNEL_80MHZ = BIT(10),
203 NVM_CHANNEL_160MHZ = BIT(11),
204 };
205
206 #define CHECK_AND_PRINT_I(x) \
207 ((ch_flags & NVM_CHANNEL_##x) ? # x " " : "")
208
209 static u32 iwl_get_channel_flags(u8 ch_num, int ch_idx, bool is_5ghz,
210 u16 nvm_flags, const struct iwl_cfg *cfg)
211 {
212 u32 flags = IEEE80211_CHAN_NO_HT40;
213 u32 last_5ghz_ht = LAST_5GHZ_HT;
214
215 if (cfg->device_family == IWL_DEVICE_FAMILY_8000)
216 last_5ghz_ht = LAST_5GHZ_HT_FAMILY_8000;
217
218 if (!is_5ghz && (nvm_flags & NVM_CHANNEL_40MHZ)) {
219 if (ch_num <= LAST_2GHZ_HT_PLUS)
220 flags &= ~IEEE80211_CHAN_NO_HT40PLUS;
221 if (ch_num >= FIRST_2GHZ_HT_MINUS)
222 flags &= ~IEEE80211_CHAN_NO_HT40MINUS;
223 } else if (ch_num <= last_5ghz_ht && (nvm_flags & NVM_CHANNEL_40MHZ)) {
224 if ((ch_idx - NUM_2GHZ_CHANNELS) % 2 == 0)
225 flags &= ~IEEE80211_CHAN_NO_HT40PLUS;
226 else
227 flags &= ~IEEE80211_CHAN_NO_HT40MINUS;
228 }
229 if (!(nvm_flags & NVM_CHANNEL_80MHZ))
230 flags |= IEEE80211_CHAN_NO_80MHZ;
231 if (!(nvm_flags & NVM_CHANNEL_160MHZ))
232 flags |= IEEE80211_CHAN_NO_160MHZ;
233
234 if (!(nvm_flags & NVM_CHANNEL_IBSS))
235 flags |= IEEE80211_CHAN_NO_IR;
236
237 if (!(nvm_flags & NVM_CHANNEL_ACTIVE))
238 flags |= IEEE80211_CHAN_NO_IR;
239
240 if (nvm_flags & NVM_CHANNEL_RADAR)
241 flags |= IEEE80211_CHAN_RADAR;
242
243 if (nvm_flags & NVM_CHANNEL_INDOOR_ONLY)
244 flags |= IEEE80211_CHAN_INDOOR_ONLY;
245
246 /* Set the GO concurrent flag only in case that NO_IR is set.
247 * Otherwise it is meaningless
248 */
249 if ((nvm_flags & NVM_CHANNEL_GO_CONCURRENT) &&
250 (flags & IEEE80211_CHAN_NO_IR))
251 flags |= IEEE80211_CHAN_IR_CONCURRENT;
252
253 return flags;
254 }
255
256 static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg,
257 struct iwl_nvm_data *data,
258 const __le16 * const nvm_ch_flags,
259 bool lar_supported)
260 {
261 int ch_idx;
262 int n_channels = 0;
263 struct ieee80211_channel *channel;
264 u16 ch_flags;
265 bool is_5ghz;
266 int num_of_ch, num_2ghz_channels;
267 const u8 *nvm_chan;
268
269 if (cfg->device_family != IWL_DEVICE_FAMILY_8000) {
270 num_of_ch = IWL_NUM_CHANNELS;
271 nvm_chan = &iwl_nvm_channels[0];
272 num_2ghz_channels = NUM_2GHZ_CHANNELS;
273 } else {
274 num_of_ch = IWL_NUM_CHANNELS_FAMILY_8000;
275 nvm_chan = &iwl_nvm_channels_family_8000[0];
276 num_2ghz_channels = NUM_2GHZ_CHANNELS_FAMILY_8000;
277 }
278
279 for (ch_idx = 0; ch_idx < num_of_ch; ch_idx++) {
280 ch_flags = __le16_to_cpup(nvm_ch_flags + ch_idx);
281
282 if (ch_idx >= num_2ghz_channels &&
283 !data->sku_cap_band_52GHz_enable)
284 continue;
285
286 if (!lar_supported && !(ch_flags & NVM_CHANNEL_VALID)) {
287 /*
288 * Channels might become valid later if lar is
289 * supported, hence we still want to add them to
290 * the list of supported channels to cfg80211.
291 */
292 IWL_DEBUG_EEPROM(dev,
293 "Ch. %d Flags %x [%sGHz] - No traffic\n",
294 nvm_chan[ch_idx],
295 ch_flags,
296 (ch_idx >= num_2ghz_channels) ?
297 "5.2" : "2.4");
298 continue;
299 }
300
301 channel = &data->channels[n_channels];
302 n_channels++;
303
304 channel->hw_value = nvm_chan[ch_idx];
305 channel->band = (ch_idx < num_2ghz_channels) ?
306 IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
307 channel->center_freq =
308 ieee80211_channel_to_frequency(
309 channel->hw_value, channel->band);
310
311 /* Initialize regulatory-based run-time data */
312
313 /*
314 * Default value - highest tx power value. max_power
315 * is not used in mvm, and is used for backwards compatibility
316 */
317 channel->max_power = IWL_DEFAULT_MAX_TX_POWER;
318 is_5ghz = channel->band == IEEE80211_BAND_5GHZ;
319
320 /* don't put limitations in case we're using LAR */
321 if (!lar_supported)
322 channel->flags = iwl_get_channel_flags(nvm_chan[ch_idx],
323 ch_idx, is_5ghz,
324 ch_flags, cfg);
325 else
326 channel->flags = 0;
327
328 IWL_DEBUG_EEPROM(dev,
329 "Ch. %d [%sGHz] %s%s%s%s%s%s%s(0x%02x %ddBm): Ad-Hoc %ssupported\n",
330 channel->hw_value,
331 is_5ghz ? "5.2" : "2.4",
332 CHECK_AND_PRINT_I(VALID),
333 CHECK_AND_PRINT_I(IBSS),
334 CHECK_AND_PRINT_I(ACTIVE),
335 CHECK_AND_PRINT_I(RADAR),
336 CHECK_AND_PRINT_I(WIDE),
337 CHECK_AND_PRINT_I(INDOOR_ONLY),
338 CHECK_AND_PRINT_I(GO_CONCURRENT),
339 ch_flags,
340 channel->max_power,
341 ((ch_flags & NVM_CHANNEL_IBSS) &&
342 !(ch_flags & NVM_CHANNEL_RADAR))
343 ? "" : "not ");
344 }
345
346 return n_channels;
347 }
348
349 static void iwl_init_vht_hw_capab(const struct iwl_cfg *cfg,
350 struct iwl_nvm_data *data,
351 struct ieee80211_sta_vht_cap *vht_cap,
352 u8 tx_chains, u8 rx_chains)
353 {
354 int num_rx_ants = num_of_ant(rx_chains);
355 int num_tx_ants = num_of_ant(tx_chains);
356 unsigned int max_ampdu_exponent = (cfg->max_vht_ampdu_exponent ?:
357 IEEE80211_VHT_MAX_AMPDU_1024K);
358
359 vht_cap->vht_supported = true;
360
361 vht_cap->cap = IEEE80211_VHT_CAP_SHORT_GI_80 |
362 IEEE80211_VHT_CAP_RXSTBC_1 |
363 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
364 3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT |
365 max_ampdu_exponent <<
366 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
367
368 if (cfg->ht_params->ldpc)
369 vht_cap->cap |= IEEE80211_VHT_CAP_RXLDPC;
370
371 if (num_tx_ants > 1)
372 vht_cap->cap |= IEEE80211_VHT_CAP_TXSTBC;
373 else
374 vht_cap->cap |= IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN;
375
376 if (iwlwifi_mod_params.amsdu_size_8K)
377 vht_cap->cap |= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991;
378
379 vht_cap->vht_mcs.rx_mcs_map =
380 cpu_to_le16(IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
381 IEEE80211_VHT_MCS_SUPPORT_0_9 << 2 |
382 IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
383 IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
384 IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
385 IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
386 IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
387 IEEE80211_VHT_MCS_NOT_SUPPORTED << 14);
388
389 if (num_rx_ants == 1 || cfg->rx_with_siso_diversity) {
390 vht_cap->cap |= IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN;
391 /* this works because NOT_SUPPORTED == 3 */
392 vht_cap->vht_mcs.rx_mcs_map |=
393 cpu_to_le16(IEEE80211_VHT_MCS_NOT_SUPPORTED << 2);
394 }
395
396 vht_cap->vht_mcs.tx_mcs_map = vht_cap->vht_mcs.rx_mcs_map;
397 }
398
399 static void iwl_init_sbands(struct device *dev, const struct iwl_cfg *cfg,
400 struct iwl_nvm_data *data,
401 const __le16 *ch_section,
402 u8 tx_chains, u8 rx_chains, bool lar_supported)
403 {
404 int n_channels;
405 int n_used = 0;
406 struct ieee80211_supported_band *sband;
407
408 if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
409 n_channels = iwl_init_channel_map(
410 dev, cfg, data,
411 &ch_section[NVM_CHANNELS], lar_supported);
412 else
413 n_channels = iwl_init_channel_map(
414 dev, cfg, data,
415 &ch_section[NVM_CHANNELS_FAMILY_8000],
416 lar_supported);
417
418 sband = &data->bands[IEEE80211_BAND_2GHZ];
419 sband->band = IEEE80211_BAND_2GHZ;
420 sband->bitrates = &iwl_cfg80211_rates[RATES_24_OFFS];
421 sband->n_bitrates = N_RATES_24;
422 n_used += iwl_init_sband_channels(data, sband, n_channels,
423 IEEE80211_BAND_2GHZ);
424 iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_2GHZ,
425 tx_chains, rx_chains);
426
427 sband = &data->bands[IEEE80211_BAND_5GHZ];
428 sband->band = IEEE80211_BAND_5GHZ;
429 sband->bitrates = &iwl_cfg80211_rates[RATES_52_OFFS];
430 sband->n_bitrates = N_RATES_52;
431 n_used += iwl_init_sband_channels(data, sband, n_channels,
432 IEEE80211_BAND_5GHZ);
433 iwl_init_ht_hw_capab(cfg, data, &sband->ht_cap, IEEE80211_BAND_5GHZ,
434 tx_chains, rx_chains);
435 if (data->sku_cap_11ac_enable)
436 iwl_init_vht_hw_capab(cfg, data, &sband->vht_cap,
437 tx_chains, rx_chains);
438
439 if (n_channels != n_used)
440 IWL_ERR_DEV(dev, "NVM: used only %d of %d channels\n",
441 n_used, n_channels);
442 }
443
444 static int iwl_get_sku(const struct iwl_cfg *cfg, const __le16 *nvm_sw,
445 const __le16 *phy_sku)
446 {
447 if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
448 return le16_to_cpup(nvm_sw + SKU);
449
450 return le32_to_cpup((__le32 *)(phy_sku + SKU_FAMILY_8000));
451 }
452
453 static int iwl_get_nvm_version(const struct iwl_cfg *cfg, const __le16 *nvm_sw)
454 {
455 if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
456 return le16_to_cpup(nvm_sw + NVM_VERSION);
457 else
458 return le32_to_cpup((__le32 *)(nvm_sw +
459 NVM_VERSION_FAMILY_8000));
460 }
461
462 static int iwl_get_radio_cfg(const struct iwl_cfg *cfg, const __le16 *nvm_sw,
463 const __le16 *phy_sku)
464 {
465 if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
466 return le16_to_cpup(nvm_sw + RADIO_CFG);
467
468 return le32_to_cpup((__le32 *)(nvm_sw + RADIO_CFG_FAMILY_8000));
469
470 }
471
472 static int iwl_get_n_hw_addrs(const struct iwl_cfg *cfg, const __le16 *nvm_sw)
473 {
474 int n_hw_addr;
475
476 if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
477 return le16_to_cpup(nvm_sw + N_HW_ADDRS);
478
479 n_hw_addr = le32_to_cpup((__le32 *)(nvm_sw + N_HW_ADDRS_FAMILY_8000));
480
481 return n_hw_addr & N_HW_ADDR_MASK;
482 }
483
484 static void iwl_set_radio_cfg(const struct iwl_cfg *cfg,
485 struct iwl_nvm_data *data,
486 u32 radio_cfg)
487 {
488 if (cfg->device_family != IWL_DEVICE_FAMILY_8000) {
489 data->radio_cfg_type = NVM_RF_CFG_TYPE_MSK(radio_cfg);
490 data->radio_cfg_step = NVM_RF_CFG_STEP_MSK(radio_cfg);
491 data->radio_cfg_dash = NVM_RF_CFG_DASH_MSK(radio_cfg);
492 data->radio_cfg_pnum = NVM_RF_CFG_PNUM_MSK(radio_cfg);
493 return;
494 }
495
496 /* set the radio configuration for family 8000 */
497 data->radio_cfg_type = NVM_RF_CFG_TYPE_MSK_FAMILY_8000(radio_cfg);
498 data->radio_cfg_step = NVM_RF_CFG_STEP_MSK_FAMILY_8000(radio_cfg);
499 data->radio_cfg_dash = NVM_RF_CFG_DASH_MSK_FAMILY_8000(radio_cfg);
500 data->radio_cfg_pnum = NVM_RF_CFG_FLAVOR_MSK_FAMILY_8000(radio_cfg);
501 data->valid_tx_ant = NVM_RF_CFG_TX_ANT_MSK_FAMILY_8000(radio_cfg);
502 data->valid_rx_ant = NVM_RF_CFG_RX_ANT_MSK_FAMILY_8000(radio_cfg);
503 }
504
505 static void iwl_set_hw_address(const struct iwl_cfg *cfg,
506 struct iwl_nvm_data *data,
507 const __le16 *nvm_sec)
508 {
509 const u8 *hw_addr = (const u8 *)(nvm_sec + HW_ADDR);
510
511 /* The byte order is little endian 16 bit, meaning 214365 */
512 data->hw_addr[0] = hw_addr[1];
513 data->hw_addr[1] = hw_addr[0];
514 data->hw_addr[2] = hw_addr[3];
515 data->hw_addr[3] = hw_addr[2];
516 data->hw_addr[4] = hw_addr[5];
517 data->hw_addr[5] = hw_addr[4];
518 }
519
520 static void iwl_set_hw_address_family_8000(struct device *dev,
521 const struct iwl_cfg *cfg,
522 struct iwl_nvm_data *data,
523 const __le16 *mac_override,
524 const __le16 *nvm_hw,
525 u32 mac_addr0, u32 mac_addr1)
526 {
527 const u8 *hw_addr;
528
529 if (mac_override) {
530 hw_addr = (const u8 *)(mac_override +
531 MAC_ADDRESS_OVERRIDE_FAMILY_8000);
532
533 /* The byte order is little endian 16 bit, meaning 214365 */
534 data->hw_addr[0] = hw_addr[1];
535 data->hw_addr[1] = hw_addr[0];
536 data->hw_addr[2] = hw_addr[3];
537 data->hw_addr[3] = hw_addr[2];
538 data->hw_addr[4] = hw_addr[5];
539 data->hw_addr[5] = hw_addr[4];
540
541 if (is_valid_ether_addr(data->hw_addr))
542 return;
543
544 IWL_ERR_DEV(dev,
545 "mac address from nvm override section is not valid\n");
546 }
547
548 if (nvm_hw) {
549 /* read the MAC address from HW resisters */
550 hw_addr = (const u8 *)&mac_addr0;
551 data->hw_addr[0] = hw_addr[3];
552 data->hw_addr[1] = hw_addr[2];
553 data->hw_addr[2] = hw_addr[1];
554 data->hw_addr[3] = hw_addr[0];
555
556 hw_addr = (const u8 *)&mac_addr1;
557 data->hw_addr[4] = hw_addr[1];
558 data->hw_addr[5] = hw_addr[0];
559
560 if (!is_valid_ether_addr(data->hw_addr))
561 IWL_ERR_DEV(dev,
562 "mac address from hw section is not valid\n");
563
564 return;
565 }
566
567 IWL_ERR_DEV(dev, "mac address is not found\n");
568 }
569
570 struct iwl_nvm_data *
571 iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg,
572 const __le16 *nvm_hw, const __le16 *nvm_sw,
573 const __le16 *nvm_calib, const __le16 *regulatory,
574 const __le16 *mac_override, const __le16 *phy_sku,
575 u8 tx_chains, u8 rx_chains, bool lar_fw_supported,
576 u32 mac_addr0, u32 mac_addr1)
577 {
578 struct iwl_nvm_data *data;
579 u32 sku;
580 u32 radio_cfg;
581 u16 lar_config;
582
583 if (cfg->device_family != IWL_DEVICE_FAMILY_8000)
584 data = kzalloc(sizeof(*data) +
585 sizeof(struct ieee80211_channel) *
586 IWL_NUM_CHANNELS,
587 GFP_KERNEL);
588 else
589 data = kzalloc(sizeof(*data) +
590 sizeof(struct ieee80211_channel) *
591 IWL_NUM_CHANNELS_FAMILY_8000,
592 GFP_KERNEL);
593 if (!data)
594 return NULL;
595
596 data->nvm_version = iwl_get_nvm_version(cfg, nvm_sw);
597
598 radio_cfg = iwl_get_radio_cfg(cfg, nvm_sw, phy_sku);
599 iwl_set_radio_cfg(cfg, data, radio_cfg);
600 if (data->valid_tx_ant)
601 tx_chains &= data->valid_tx_ant;
602 if (data->valid_rx_ant)
603 rx_chains &= data->valid_rx_ant;
604
605 sku = iwl_get_sku(cfg, nvm_sw, phy_sku);
606 data->sku_cap_band_24GHz_enable = sku & NVM_SKU_CAP_BAND_24GHZ;
607 data->sku_cap_band_52GHz_enable = sku & NVM_SKU_CAP_BAND_52GHZ;
608 data->sku_cap_11n_enable = sku & NVM_SKU_CAP_11N_ENABLE;
609 if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_ALL)
610 data->sku_cap_11n_enable = false;
611 data->sku_cap_11ac_enable = data->sku_cap_11n_enable &&
612 (sku & NVM_SKU_CAP_11AC_ENABLE);
613
614 data->n_hw_addrs = iwl_get_n_hw_addrs(cfg, nvm_sw);
615
616 if (cfg->device_family != IWL_DEVICE_FAMILY_8000) {
617 /* Checking for required sections */
618 if (!nvm_calib) {
619 IWL_ERR_DEV(dev,
620 "Can't parse empty Calib NVM sections\n");
621 kfree(data);
622 return NULL;
623 }
624 /* in family 8000 Xtal calibration values moved to OTP */
625 data->xtal_calib[0] = *(nvm_calib + XTAL_CALIB);
626 data->xtal_calib[1] = *(nvm_calib + XTAL_CALIB + 1);
627 }
628
629 if (cfg->device_family != IWL_DEVICE_FAMILY_8000) {
630 iwl_set_hw_address(cfg, data, nvm_hw);
631
632 iwl_init_sbands(dev, cfg, data, nvm_sw,
633 tx_chains, rx_chains, lar_fw_supported);
634 } else {
635 u16 lar_offset = data->nvm_version < 0xE39 ?
636 NVM_LAR_OFFSET_FAMILY_8000_OLD :
637 NVM_LAR_OFFSET_FAMILY_8000;
638
639 lar_config = le16_to_cpup(regulatory + lar_offset);
640 data->lar_enabled = !!(lar_config &
641 NVM_LAR_ENABLED_FAMILY_8000);
642
643 /* MAC address in family 8000 */
644 iwl_set_hw_address_family_8000(dev, cfg, data, mac_override,
645 nvm_hw, mac_addr0, mac_addr1);
646
647 iwl_init_sbands(dev, cfg, data, regulatory,
648 tx_chains, rx_chains,
649 lar_fw_supported && data->lar_enabled);
650 }
651
652 data->calib_version = 255;
653
654 return data;
655 }
656 IWL_EXPORT_SYMBOL(iwl_parse_nvm_data);
657
658 static u32 iwl_nvm_get_regdom_bw_flags(const u8 *nvm_chan,
659 int ch_idx, u16 nvm_flags,
660 const struct iwl_cfg *cfg)
661 {
662 u32 flags = NL80211_RRF_NO_HT40;
663 u32 last_5ghz_ht = LAST_5GHZ_HT;
664
665 if (cfg->device_family == IWL_DEVICE_FAMILY_8000)
666 last_5ghz_ht = LAST_5GHZ_HT_FAMILY_8000;
667
668 if (ch_idx < NUM_2GHZ_CHANNELS &&
669 (nvm_flags & NVM_CHANNEL_40MHZ)) {
670 if (nvm_chan[ch_idx] <= LAST_2GHZ_HT_PLUS)
671 flags &= ~NL80211_RRF_NO_HT40PLUS;
672 if (nvm_chan[ch_idx] >= FIRST_2GHZ_HT_MINUS)
673 flags &= ~NL80211_RRF_NO_HT40MINUS;
674 } else if (nvm_chan[ch_idx] <= last_5ghz_ht &&
675 (nvm_flags & NVM_CHANNEL_40MHZ)) {
676 if ((ch_idx - NUM_2GHZ_CHANNELS) % 2 == 0)
677 flags &= ~NL80211_RRF_NO_HT40PLUS;
678 else
679 flags &= ~NL80211_RRF_NO_HT40MINUS;
680 }
681
682 if (!(nvm_flags & NVM_CHANNEL_80MHZ))
683 flags |= NL80211_RRF_NO_80MHZ;
684 if (!(nvm_flags & NVM_CHANNEL_160MHZ))
685 flags |= NL80211_RRF_NO_160MHZ;
686
687 if (!(nvm_flags & NVM_CHANNEL_ACTIVE))
688 flags |= NL80211_RRF_NO_IR;
689
690 if (nvm_flags & NVM_CHANNEL_RADAR)
691 flags |= NL80211_RRF_DFS;
692
693 if (nvm_flags & NVM_CHANNEL_INDOOR_ONLY)
694 flags |= NL80211_RRF_NO_OUTDOOR;
695
696 /* Set the GO concurrent flag only in case that NO_IR is set.
697 * Otherwise it is meaningless
698 */
699 if ((nvm_flags & NVM_CHANNEL_GO_CONCURRENT) &&
700 (flags & NL80211_RRF_NO_IR))
701 flags |= NL80211_RRF_GO_CONCURRENT;
702
703 return flags;
704 }
705
706 struct ieee80211_regdomain *
707 iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg,
708 int num_of_ch, __le32 *channels, u16 fw_mcc)
709 {
710 int ch_idx;
711 u16 ch_flags, prev_ch_flags = 0;
712 const u8 *nvm_chan = cfg->device_family == IWL_DEVICE_FAMILY_8000 ?
713 iwl_nvm_channels_family_8000 : iwl_nvm_channels;
714 struct ieee80211_regdomain *regd;
715 int size_of_regd;
716 struct ieee80211_reg_rule *rule;
717 enum ieee80211_band band;
718 int center_freq, prev_center_freq = 0;
719 int valid_rules = 0;
720 bool new_rule;
721 int max_num_ch = cfg->device_family == IWL_DEVICE_FAMILY_8000 ?
722 IWL_NUM_CHANNELS_FAMILY_8000 : IWL_NUM_CHANNELS;
723
724 if (WARN_ON_ONCE(num_of_ch > NL80211_MAX_SUPP_REG_RULES))
725 return ERR_PTR(-EINVAL);
726
727 if (WARN_ON(num_of_ch > max_num_ch))
728 num_of_ch = max_num_ch;
729
730 IWL_DEBUG_DEV(dev, IWL_DL_LAR, "building regdom for %d channels\n",
731 num_of_ch);
732
733 /* build a regdomain rule for every valid channel */
734 size_of_regd =
735 sizeof(struct ieee80211_regdomain) +
736 num_of_ch * sizeof(struct ieee80211_reg_rule);
737
738 regd = kzalloc(size_of_regd, GFP_KERNEL);
739 if (!regd)
740 return ERR_PTR(-ENOMEM);
741
742 for (ch_idx = 0; ch_idx < num_of_ch; ch_idx++) {
743 ch_flags = (u16)__le32_to_cpup(channels + ch_idx);
744 band = (ch_idx < NUM_2GHZ_CHANNELS) ?
745 IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
746 center_freq = ieee80211_channel_to_frequency(nvm_chan[ch_idx],
747 band);
748 new_rule = false;
749
750 if (!(ch_flags & NVM_CHANNEL_VALID)) {
751 IWL_DEBUG_DEV(dev, IWL_DL_LAR,
752 "Ch. %d Flags %x [%sGHz] - No traffic\n",
753 nvm_chan[ch_idx],
754 ch_flags,
755 (ch_idx >= NUM_2GHZ_CHANNELS) ?
756 "5.2" : "2.4");
757 continue;
758 }
759
760 /* we can't continue the same rule */
761 if (ch_idx == 0 || prev_ch_flags != ch_flags ||
762 center_freq - prev_center_freq > 20) {
763 valid_rules++;
764 new_rule = true;
765 }
766
767 rule = &regd->reg_rules[valid_rules - 1];
768
769 if (new_rule)
770 rule->freq_range.start_freq_khz =
771 MHZ_TO_KHZ(center_freq - 10);
772
773 rule->freq_range.end_freq_khz = MHZ_TO_KHZ(center_freq + 10);
774
775 /* this doesn't matter - not used by FW */
776 rule->power_rule.max_antenna_gain = DBI_TO_MBI(6);
777 rule->power_rule.max_eirp =
778 DBM_TO_MBM(IWL_DEFAULT_MAX_TX_POWER);
779
780 rule->flags = iwl_nvm_get_regdom_bw_flags(nvm_chan, ch_idx,
781 ch_flags, cfg);
782
783 /* rely on auto-calculation to merge BW of contiguous chans */
784 rule->flags |= NL80211_RRF_AUTO_BW;
785 rule->freq_range.max_bandwidth_khz = 0;
786
787 prev_ch_flags = ch_flags;
788 prev_center_freq = center_freq;
789
790 IWL_DEBUG_DEV(dev, IWL_DL_LAR,
791 "Ch. %d [%sGHz] %s%s%s%s%s%s%s%s%s(0x%02x): Ad-Hoc %ssupported\n",
792 center_freq,
793 band == IEEE80211_BAND_5GHZ ? "5.2" : "2.4",
794 CHECK_AND_PRINT_I(VALID),
795 CHECK_AND_PRINT_I(ACTIVE),
796 CHECK_AND_PRINT_I(RADAR),
797 CHECK_AND_PRINT_I(WIDE),
798 CHECK_AND_PRINT_I(40MHZ),
799 CHECK_AND_PRINT_I(80MHZ),
800 CHECK_AND_PRINT_I(160MHZ),
801 CHECK_AND_PRINT_I(INDOOR_ONLY),
802 CHECK_AND_PRINT_I(GO_CONCURRENT),
803 ch_flags,
804 ((ch_flags & NVM_CHANNEL_ACTIVE) &&
805 !(ch_flags & NVM_CHANNEL_RADAR))
806 ? "" : "not ");
807 }
808
809 regd->n_reg_rules = valid_rules;
810
811 /* set alpha2 from FW. */
812 regd->alpha2[0] = fw_mcc >> 8;
813 regd->alpha2[1] = fw_mcc & 0xff;
814
815 return regd;
816 }
817 IWL_EXPORT_SYMBOL(iwl_parse_nvm_mcc_info);
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