1 /******************************************************************************
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.
8 * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
10 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of version 2 of the GNU General Public License as
14 * published by the Free Software Foundation.
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
26 * The full GNU General Public License is included in this distribution
27 * in the file called COPYING.
29 * Contact Information:
30 * Intel Linux Wireless <linuxwifi@intel.com>
31 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
35 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
36 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
37 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
38 * All rights reserved.
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
44 * * Redistributions of source code must retain the above copyright
45 * notice, this list of conditions and the following disclaimer.
46 * * Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in
48 * the documentation and/or other materials provided with the
50 * * Neither the name Intel Corporation nor the names of its
51 * contributors may be used to endorse or promote products derived
52 * from this software without specific prior written permission.
54 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
55 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
56 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
57 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
58 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
59 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
60 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
61 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
62 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
63 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
64 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
65 *****************************************************************************/
66 #include <linux/types.h>
67 #include <linux/slab.h>
68 #include <linux/export.h>
69 #include <linux/etherdevice.h>
70 #include <linux/pci.h>
71 #include <linux/acpi.h>
73 #include "iwl-modparams.h"
74 #include "iwl-nvm-parse.h"
79 /* NVM offsets (in words) definitions */
80 enum wkp_nvm_offsets
{
81 /* NVM HW-Section offset (in words) definitions */
84 /* NVM SW-Section offset (in words) definitions */
85 NVM_SW_SECTION
= 0x1C0,
90 NVM_CHANNELS
= 0x1E0 - NVM_SW_SECTION
,
92 /* NVM calibration section offset (in words) definitions */
93 NVM_CALIB_SECTION
= 0x2B8,
94 XTAL_CALIB
= 0x316 - NVM_CALIB_SECTION
97 enum ext_nvm_offsets
{
98 /* NVM HW-Section offset (in words) definitions */
99 MAC_ADDRESS_OVERRIDE_EXT_NVM
= 1,
101 /* NVM SW-Section offset (in words) definitions */
102 NVM_VERSION_EXT_NVM
= 0,
103 RADIO_CFG_FAMILY_EXT_NVM
= 0,
105 N_HW_ADDRS_FAMILY_8000
= 3,
107 /* NVM REGULATORY -Section offset (in words) definitions */
108 NVM_CHANNELS_EXTENDED
= 0,
109 NVM_LAR_OFFSET_OLD
= 0x4C7,
110 NVM_LAR_OFFSET
= 0x507,
111 NVM_LAR_ENABLED
= 0x7,
114 /* SKU Capabilities (actual values from NVM definition) */
116 NVM_SKU_CAP_BAND_24GHZ
= BIT(0),
117 NVM_SKU_CAP_BAND_52GHZ
= BIT(1),
118 NVM_SKU_CAP_11N_ENABLE
= BIT(2),
119 NVM_SKU_CAP_11AC_ENABLE
= BIT(3),
120 NVM_SKU_CAP_MIMO_DISABLE
= BIT(5),
124 * These are the channel numbers in the order that they are stored in the NVM
126 static const u8 iwl_nvm_channels
[] = {
128 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
130 36, 40, 44 , 48, 52, 56, 60, 64,
131 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144,
132 149, 153, 157, 161, 165
135 static const u8 iwl_ext_nvm_channels
[] = {
137 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
139 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92,
140 96, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144,
141 149, 153, 157, 161, 165, 169, 173, 177, 181
144 #define IWL_NUM_CHANNELS ARRAY_SIZE(iwl_nvm_channels)
145 #define IWL_NUM_CHANNELS_EXT ARRAY_SIZE(iwl_ext_nvm_channels)
146 #define NUM_2GHZ_CHANNELS 14
147 #define NUM_2GHZ_CHANNELS_EXT 14
148 #define FIRST_2GHZ_HT_MINUS 5
149 #define LAST_2GHZ_HT_PLUS 9
150 #define LAST_5GHZ_HT 165
151 #define LAST_5GHZ_HT_FAMILY_8000 181
152 #define N_HW_ADDR_MASK 0xF
154 /* rate data (static) */
155 static struct ieee80211_rate iwl_cfg80211_rates
[] = {
156 { .bitrate
= 1 * 10, .hw_value
= 0, .hw_value_short
= 0, },
157 { .bitrate
= 2 * 10, .hw_value
= 1, .hw_value_short
= 1,
158 .flags
= IEEE80211_RATE_SHORT_PREAMBLE
, },
159 { .bitrate
= 5.5 * 10, .hw_value
= 2, .hw_value_short
= 2,
160 .flags
= IEEE80211_RATE_SHORT_PREAMBLE
, },
161 { .bitrate
= 11 * 10, .hw_value
= 3, .hw_value_short
= 3,
162 .flags
= IEEE80211_RATE_SHORT_PREAMBLE
, },
163 { .bitrate
= 6 * 10, .hw_value
= 4, .hw_value_short
= 4, },
164 { .bitrate
= 9 * 10, .hw_value
= 5, .hw_value_short
= 5, },
165 { .bitrate
= 12 * 10, .hw_value
= 6, .hw_value_short
= 6, },
166 { .bitrate
= 18 * 10, .hw_value
= 7, .hw_value_short
= 7, },
167 { .bitrate
= 24 * 10, .hw_value
= 8, .hw_value_short
= 8, },
168 { .bitrate
= 36 * 10, .hw_value
= 9, .hw_value_short
= 9, },
169 { .bitrate
= 48 * 10, .hw_value
= 10, .hw_value_short
= 10, },
170 { .bitrate
= 54 * 10, .hw_value
= 11, .hw_value_short
= 11, },
172 #define RATES_24_OFFS 0
173 #define N_RATES_24 ARRAY_SIZE(iwl_cfg80211_rates)
174 #define RATES_52_OFFS 4
175 #define N_RATES_52 (N_RATES_24 - RATES_52_OFFS)
178 * enum iwl_nvm_channel_flags - channel flags in NVM
179 * @NVM_CHANNEL_VALID: channel is usable for this SKU/geo
180 * @NVM_CHANNEL_IBSS: usable as an IBSS channel
181 * @NVM_CHANNEL_ACTIVE: active scanning allowed
182 * @NVM_CHANNEL_RADAR: radar detection required
183 * @NVM_CHANNEL_INDOOR_ONLY: only indoor use is allowed
184 * @NVM_CHANNEL_GO_CONCURRENT: GO operation is allowed when connected to BSS
185 * on same channel on 2.4 or same UNII band on 5.2
186 * @NVM_CHANNEL_WIDE: 20 MHz channel okay (?)
187 * @NVM_CHANNEL_40MHZ: 40 MHz channel okay (?)
188 * @NVM_CHANNEL_80MHZ: 80 MHz channel okay (?)
189 * @NVM_CHANNEL_160MHZ: 160 MHz channel okay (?)
191 enum iwl_nvm_channel_flags
{
192 NVM_CHANNEL_VALID
= BIT(0),
193 NVM_CHANNEL_IBSS
= BIT(1),
194 NVM_CHANNEL_ACTIVE
= BIT(3),
195 NVM_CHANNEL_RADAR
= BIT(4),
196 NVM_CHANNEL_INDOOR_ONLY
= BIT(5),
197 NVM_CHANNEL_GO_CONCURRENT
= BIT(6),
198 NVM_CHANNEL_WIDE
= BIT(8),
199 NVM_CHANNEL_40MHZ
= BIT(9),
200 NVM_CHANNEL_80MHZ
= BIT(10),
201 NVM_CHANNEL_160MHZ
= BIT(11),
204 #define CHECK_AND_PRINT_I(x) \
205 ((ch_flags & NVM_CHANNEL_##x) ? # x " " : "")
207 static u32
iwl_get_channel_flags(u8 ch_num
, int ch_idx
, bool is_5ghz
,
208 u16 nvm_flags
, const struct iwl_cfg
*cfg
)
210 u32 flags
= IEEE80211_CHAN_NO_HT40
;
211 u32 last_5ghz_ht
= LAST_5GHZ_HT
;
214 last_5ghz_ht
= LAST_5GHZ_HT_FAMILY_8000
;
216 if (!is_5ghz
&& (nvm_flags
& NVM_CHANNEL_40MHZ
)) {
217 if (ch_num
<= LAST_2GHZ_HT_PLUS
)
218 flags
&= ~IEEE80211_CHAN_NO_HT40PLUS
;
219 if (ch_num
>= FIRST_2GHZ_HT_MINUS
)
220 flags
&= ~IEEE80211_CHAN_NO_HT40MINUS
;
221 } else if (ch_num
<= last_5ghz_ht
&& (nvm_flags
& NVM_CHANNEL_40MHZ
)) {
222 if ((ch_idx
- NUM_2GHZ_CHANNELS
) % 2 == 0)
223 flags
&= ~IEEE80211_CHAN_NO_HT40PLUS
;
225 flags
&= ~IEEE80211_CHAN_NO_HT40MINUS
;
227 if (!(nvm_flags
& NVM_CHANNEL_80MHZ
))
228 flags
|= IEEE80211_CHAN_NO_80MHZ
;
229 if (!(nvm_flags
& NVM_CHANNEL_160MHZ
))
230 flags
|= IEEE80211_CHAN_NO_160MHZ
;
232 if (!(nvm_flags
& NVM_CHANNEL_IBSS
))
233 flags
|= IEEE80211_CHAN_NO_IR
;
235 if (!(nvm_flags
& NVM_CHANNEL_ACTIVE
))
236 flags
|= IEEE80211_CHAN_NO_IR
;
238 if (nvm_flags
& NVM_CHANNEL_RADAR
)
239 flags
|= IEEE80211_CHAN_RADAR
;
241 if (nvm_flags
& NVM_CHANNEL_INDOOR_ONLY
)
242 flags
|= IEEE80211_CHAN_INDOOR_ONLY
;
244 /* Set the GO concurrent flag only in case that NO_IR is set.
245 * Otherwise it is meaningless
247 if ((nvm_flags
& NVM_CHANNEL_GO_CONCURRENT
) &&
248 (flags
& IEEE80211_CHAN_NO_IR
))
249 flags
|= IEEE80211_CHAN_IR_CONCURRENT
;
254 static int iwl_init_channel_map(struct device
*dev
, const struct iwl_cfg
*cfg
,
255 struct iwl_nvm_data
*data
,
256 const __le16
* const nvm_ch_flags
,
261 struct ieee80211_channel
*channel
;
264 int num_of_ch
, num_2ghz_channels
;
268 num_of_ch
= IWL_NUM_CHANNELS
;
269 nvm_chan
= &iwl_nvm_channels
[0];
270 num_2ghz_channels
= NUM_2GHZ_CHANNELS
;
272 num_of_ch
= IWL_NUM_CHANNELS_EXT
;
273 nvm_chan
= &iwl_ext_nvm_channels
[0];
274 num_2ghz_channels
= NUM_2GHZ_CHANNELS_EXT
;
277 for (ch_idx
= 0; ch_idx
< num_of_ch
; ch_idx
++) {
278 ch_flags
= __le16_to_cpup(nvm_ch_flags
+ ch_idx
);
280 if (ch_idx
>= num_2ghz_channels
&&
281 !data
->sku_cap_band_52GHz_enable
)
284 if (ch_flags
& NVM_CHANNEL_160MHZ
)
285 data
->vht160_supported
= true;
287 if (!lar_supported
&& !(ch_flags
& NVM_CHANNEL_VALID
)) {
289 * Channels might become valid later if lar is
290 * supported, hence we still want to add them to
291 * the list of supported channels to cfg80211.
293 IWL_DEBUG_EEPROM(dev
,
294 "Ch. %d Flags %x [%sGHz] - No traffic\n",
297 (ch_idx
>= num_2ghz_channels
) ?
302 channel
= &data
->channels
[n_channels
];
305 channel
->hw_value
= nvm_chan
[ch_idx
];
306 channel
->band
= (ch_idx
< num_2ghz_channels
) ?
307 NL80211_BAND_2GHZ
: NL80211_BAND_5GHZ
;
308 channel
->center_freq
=
309 ieee80211_channel_to_frequency(
310 channel
->hw_value
, channel
->band
);
312 /* Initialize regulatory-based run-time data */
315 * Default value - highest tx power value. max_power
316 * is not used in mvm, and is used for backwards compatibility
318 channel
->max_power
= IWL_DEFAULT_MAX_TX_POWER
;
319 is_5ghz
= channel
->band
== NL80211_BAND_5GHZ
;
321 /* don't put limitations in case we're using LAR */
323 channel
->flags
= iwl_get_channel_flags(nvm_chan
[ch_idx
],
329 IWL_DEBUG_EEPROM(dev
,
330 "Ch. %d [%sGHz] flags 0x%x %s%s%s%s%s%s%s%s%s%s(%ddBm): Ad-Hoc %ssupported\n",
332 is_5ghz
? "5.2" : "2.4",
334 CHECK_AND_PRINT_I(VALID
),
335 CHECK_AND_PRINT_I(IBSS
),
336 CHECK_AND_PRINT_I(ACTIVE
),
337 CHECK_AND_PRINT_I(RADAR
),
338 CHECK_AND_PRINT_I(INDOOR_ONLY
),
339 CHECK_AND_PRINT_I(GO_CONCURRENT
),
340 CHECK_AND_PRINT_I(WIDE
),
341 CHECK_AND_PRINT_I(40MHZ
),
342 CHECK_AND_PRINT_I(80MHZ
),
343 CHECK_AND_PRINT_I(160MHZ
),
345 ((ch_flags
& NVM_CHANNEL_IBSS
) &&
346 !(ch_flags
& NVM_CHANNEL_RADAR
))
353 static void iwl_init_vht_hw_capab(const struct iwl_cfg
*cfg
,
354 struct iwl_nvm_data
*data
,
355 struct ieee80211_sta_vht_cap
*vht_cap
,
356 u8 tx_chains
, u8 rx_chains
)
358 int num_rx_ants
= num_of_ant(rx_chains
);
359 int num_tx_ants
= num_of_ant(tx_chains
);
360 unsigned int max_ampdu_exponent
= (cfg
->max_vht_ampdu_exponent
?:
361 IEEE80211_VHT_MAX_AMPDU_1024K
);
363 vht_cap
->vht_supported
= true;
365 vht_cap
->cap
= IEEE80211_VHT_CAP_SHORT_GI_80
|
366 IEEE80211_VHT_CAP_RXSTBC_1
|
367 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE
|
368 3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT
|
369 max_ampdu_exponent
<<
370 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT
;
372 if (data
->vht160_supported
)
373 vht_cap
->cap
|= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ
|
374 IEEE80211_VHT_CAP_SHORT_GI_160
;
376 if (cfg
->vht_mu_mimo_supported
)
377 vht_cap
->cap
|= IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE
;
379 if (cfg
->ht_params
->ldpc
)
380 vht_cap
->cap
|= IEEE80211_VHT_CAP_RXLDPC
;
382 if (data
->sku_cap_mimo_disabled
) {
388 vht_cap
->cap
|= IEEE80211_VHT_CAP_TXSTBC
;
390 vht_cap
->cap
|= IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN
;
392 switch (iwlwifi_mod_params
.amsdu_size
) {
394 if (cfg
->mq_rx_supported
)
396 IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454
;
398 vht_cap
->cap
|= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895
;
401 vht_cap
->cap
|= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895
;
404 vht_cap
->cap
|= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991
;
407 vht_cap
->cap
|= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454
;
413 vht_cap
->vht_mcs
.rx_mcs_map
=
414 cpu_to_le16(IEEE80211_VHT_MCS_SUPPORT_0_9
<< 0 |
415 IEEE80211_VHT_MCS_SUPPORT_0_9
<< 2 |
416 IEEE80211_VHT_MCS_NOT_SUPPORTED
<< 4 |
417 IEEE80211_VHT_MCS_NOT_SUPPORTED
<< 6 |
418 IEEE80211_VHT_MCS_NOT_SUPPORTED
<< 8 |
419 IEEE80211_VHT_MCS_NOT_SUPPORTED
<< 10 |
420 IEEE80211_VHT_MCS_NOT_SUPPORTED
<< 12 |
421 IEEE80211_VHT_MCS_NOT_SUPPORTED
<< 14);
423 if (num_rx_ants
== 1 || cfg
->rx_with_siso_diversity
) {
424 vht_cap
->cap
|= IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN
;
425 /* this works because NOT_SUPPORTED == 3 */
426 vht_cap
->vht_mcs
.rx_mcs_map
|=
427 cpu_to_le16(IEEE80211_VHT_MCS_NOT_SUPPORTED
<< 2);
430 vht_cap
->vht_mcs
.tx_mcs_map
= vht_cap
->vht_mcs
.rx_mcs_map
;
433 void iwl_init_sbands(struct device
*dev
, const struct iwl_cfg
*cfg
,
434 struct iwl_nvm_data
*data
, const __le16
*nvm_ch_flags
,
435 u8 tx_chains
, u8 rx_chains
, bool lar_supported
)
439 struct ieee80211_supported_band
*sband
;
441 n_channels
= iwl_init_channel_map(dev
, cfg
, data
, nvm_ch_flags
,
443 sband
= &data
->bands
[NL80211_BAND_2GHZ
];
444 sband
->band
= NL80211_BAND_2GHZ
;
445 sband
->bitrates
= &iwl_cfg80211_rates
[RATES_24_OFFS
];
446 sband
->n_bitrates
= N_RATES_24
;
447 n_used
+= iwl_init_sband_channels(data
, sband
, n_channels
,
449 iwl_init_ht_hw_capab(cfg
, data
, &sband
->ht_cap
, NL80211_BAND_2GHZ
,
450 tx_chains
, rx_chains
);
452 sband
= &data
->bands
[NL80211_BAND_5GHZ
];
453 sband
->band
= NL80211_BAND_5GHZ
;
454 sband
->bitrates
= &iwl_cfg80211_rates
[RATES_52_OFFS
];
455 sband
->n_bitrates
= N_RATES_52
;
456 n_used
+= iwl_init_sband_channels(data
, sband
, n_channels
,
458 iwl_init_ht_hw_capab(cfg
, data
, &sband
->ht_cap
, NL80211_BAND_5GHZ
,
459 tx_chains
, rx_chains
);
460 if (data
->sku_cap_11ac_enable
&& !iwlwifi_mod_params
.disable_11ac
)
461 iwl_init_vht_hw_capab(cfg
, data
, &sband
->vht_cap
,
462 tx_chains
, rx_chains
);
464 if (n_channels
!= n_used
)
465 IWL_ERR_DEV(dev
, "NVM: used only %d of %d channels\n",
468 IWL_EXPORT_SYMBOL(iwl_init_sbands
);
470 static int iwl_get_sku(const struct iwl_cfg
*cfg
, const __le16
*nvm_sw
,
471 const __le16
*phy_sku
)
474 return le16_to_cpup(nvm_sw
+ SKU
);
476 return le32_to_cpup((__le32
*)(phy_sku
+ SKU_FAMILY_8000
));
479 static int iwl_get_nvm_version(const struct iwl_cfg
*cfg
, const __le16
*nvm_sw
)
482 return le16_to_cpup(nvm_sw
+ NVM_VERSION
);
484 return le32_to_cpup((__le32
*)(nvm_sw
+
485 NVM_VERSION_EXT_NVM
));
488 static int iwl_get_radio_cfg(const struct iwl_cfg
*cfg
, const __le16
*nvm_sw
,
489 const __le16
*phy_sku
)
492 return le16_to_cpup(nvm_sw
+ RADIO_CFG
);
494 return le32_to_cpup((__le32
*)(phy_sku
+ RADIO_CFG_FAMILY_EXT_NVM
));
498 static int iwl_get_n_hw_addrs(const struct iwl_cfg
*cfg
, const __le16
*nvm_sw
)
503 return le16_to_cpup(nvm_sw
+ N_HW_ADDRS
);
505 n_hw_addr
= le32_to_cpup((__le32
*)(nvm_sw
+ N_HW_ADDRS_FAMILY_8000
));
507 return n_hw_addr
& N_HW_ADDR_MASK
;
510 static void iwl_set_radio_cfg(const struct iwl_cfg
*cfg
,
511 struct iwl_nvm_data
*data
,
515 data
->radio_cfg_type
= NVM_RF_CFG_TYPE_MSK(radio_cfg
);
516 data
->radio_cfg_step
= NVM_RF_CFG_STEP_MSK(radio_cfg
);
517 data
->radio_cfg_dash
= NVM_RF_CFG_DASH_MSK(radio_cfg
);
518 data
->radio_cfg_pnum
= NVM_RF_CFG_PNUM_MSK(radio_cfg
);
522 /* set the radio configuration for family 8000 */
523 data
->radio_cfg_type
= EXT_NVM_RF_CFG_TYPE_MSK(radio_cfg
);
524 data
->radio_cfg_step
= EXT_NVM_RF_CFG_STEP_MSK(radio_cfg
);
525 data
->radio_cfg_dash
= EXT_NVM_RF_CFG_DASH_MSK(radio_cfg
);
526 data
->radio_cfg_pnum
= EXT_NVM_RF_CFG_FLAVOR_MSK(radio_cfg
);
527 data
->valid_tx_ant
= EXT_NVM_RF_CFG_TX_ANT_MSK(radio_cfg
);
528 data
->valid_rx_ant
= EXT_NVM_RF_CFG_RX_ANT_MSK(radio_cfg
);
531 static void iwl_flip_hw_address(__le32 mac_addr0
, __le32 mac_addr1
, u8
*dest
)
535 hw_addr
= (const u8
*)&mac_addr0
;
536 dest
[0] = hw_addr
[3];
537 dest
[1] = hw_addr
[2];
538 dest
[2] = hw_addr
[1];
539 dest
[3] = hw_addr
[0];
541 hw_addr
= (const u8
*)&mac_addr1
;
542 dest
[4] = hw_addr
[1];
543 dest
[5] = hw_addr
[0];
546 void iwl_set_hw_address_from_csr(struct iwl_trans
*trans
,
547 struct iwl_nvm_data
*data
)
549 __le32 mac_addr0
= cpu_to_le32(iwl_read32(trans
, CSR_MAC_ADDR0_STRAP
));
550 __le32 mac_addr1
= cpu_to_le32(iwl_read32(trans
, CSR_MAC_ADDR1_STRAP
));
552 iwl_flip_hw_address(mac_addr0
, mac_addr1
, data
->hw_addr
);
554 * If the OEM fused a valid address, use it instead of the one in the
557 if (is_valid_ether_addr(data
->hw_addr
))
560 mac_addr0
= cpu_to_le32(iwl_read32(trans
, CSR_MAC_ADDR0_OTP
));
561 mac_addr1
= cpu_to_le32(iwl_read32(trans
, CSR_MAC_ADDR1_OTP
));
563 iwl_flip_hw_address(mac_addr0
, mac_addr1
, data
->hw_addr
);
565 IWL_EXPORT_SYMBOL(iwl_set_hw_address_from_csr
);
567 static void iwl_set_hw_address_family_8000(struct iwl_trans
*trans
,
568 const struct iwl_cfg
*cfg
,
569 struct iwl_nvm_data
*data
,
570 const __le16
*mac_override
,
571 const __le16
*nvm_hw
)
576 static const u8 reserved_mac
[] = {
577 0x02, 0xcc, 0xaa, 0xff, 0xee, 0x00
580 hw_addr
= (const u8
*)(mac_override
+
581 MAC_ADDRESS_OVERRIDE_EXT_NVM
);
584 * Store the MAC address from MAO section.
585 * No byte swapping is required in MAO section
587 memcpy(data
->hw_addr
, hw_addr
, ETH_ALEN
);
590 * Force the use of the OTP MAC address in case of reserved MAC
591 * address in the NVM, or if address is given but invalid.
593 if (is_valid_ether_addr(data
->hw_addr
) &&
594 memcmp(reserved_mac
, hw_addr
, ETH_ALEN
) != 0)
598 "mac address from nvm override section is not valid\n");
602 /* read the mac address from WFMP registers */
603 __le32 mac_addr0
= cpu_to_le32(iwl_trans_read_prph(trans
,
605 __le32 mac_addr1
= cpu_to_le32(iwl_trans_read_prph(trans
,
608 iwl_flip_hw_address(mac_addr0
, mac_addr1
, data
->hw_addr
);
613 IWL_ERR(trans
, "mac address is not found\n");
616 static int iwl_set_hw_address(struct iwl_trans
*trans
,
617 const struct iwl_cfg
*cfg
,
618 struct iwl_nvm_data
*data
, const __le16
*nvm_hw
,
619 const __le16
*mac_override
)
621 if (cfg
->mac_addr_from_csr
) {
622 iwl_set_hw_address_from_csr(trans
, data
);
623 } else if (!cfg
->ext_nvm
) {
624 const u8
*hw_addr
= (const u8
*)(nvm_hw
+ HW_ADDR
);
626 /* The byte order is little endian 16 bit, meaning 214365 */
627 data
->hw_addr
[0] = hw_addr
[1];
628 data
->hw_addr
[1] = hw_addr
[0];
629 data
->hw_addr
[2] = hw_addr
[3];
630 data
->hw_addr
[3] = hw_addr
[2];
631 data
->hw_addr
[4] = hw_addr
[5];
632 data
->hw_addr
[5] = hw_addr
[4];
634 iwl_set_hw_address_family_8000(trans
, cfg
, data
,
635 mac_override
, nvm_hw
);
638 if (!is_valid_ether_addr(data
->hw_addr
)) {
639 IWL_ERR(trans
, "no valid mac address was found\n");
643 IWL_INFO(trans
, "base HW address: %pM\n", data
->hw_addr
);
648 struct iwl_nvm_data
*
649 iwl_parse_nvm_data(struct iwl_trans
*trans
, const struct iwl_cfg
*cfg
,
650 const __le16
*nvm_hw
, const __le16
*nvm_sw
,
651 const __le16
*nvm_calib
, const __le16
*regulatory
,
652 const __le16
*mac_override
, const __le16
*phy_sku
,
653 u8 tx_chains
, u8 rx_chains
, bool lar_fw_supported
)
655 struct device
*dev
= trans
->dev
;
656 struct iwl_nvm_data
*data
;
660 const __le16
*ch_section
;
663 data
= kzalloc(sizeof(*data
) +
664 sizeof(struct ieee80211_channel
) *
668 data
= kzalloc(sizeof(*data
) +
669 sizeof(struct ieee80211_channel
) *
670 IWL_NUM_CHANNELS_EXT
,
675 data
->nvm_version
= iwl_get_nvm_version(cfg
, nvm_sw
);
677 radio_cfg
= iwl_get_radio_cfg(cfg
, nvm_sw
, phy_sku
);
678 iwl_set_radio_cfg(cfg
, data
, radio_cfg
);
679 if (data
->valid_tx_ant
)
680 tx_chains
&= data
->valid_tx_ant
;
681 if (data
->valid_rx_ant
)
682 rx_chains
&= data
->valid_rx_ant
;
684 sku
= iwl_get_sku(cfg
, nvm_sw
, phy_sku
);
685 data
->sku_cap_band_24GHz_enable
= sku
& NVM_SKU_CAP_BAND_24GHZ
;
686 data
->sku_cap_band_52GHz_enable
= sku
& NVM_SKU_CAP_BAND_52GHZ
;
687 data
->sku_cap_11n_enable
= sku
& NVM_SKU_CAP_11N_ENABLE
;
688 if (iwlwifi_mod_params
.disable_11n
& IWL_DISABLE_HT_ALL
)
689 data
->sku_cap_11n_enable
= false;
690 data
->sku_cap_11ac_enable
= data
->sku_cap_11n_enable
&&
691 (sku
& NVM_SKU_CAP_11AC_ENABLE
);
692 data
->sku_cap_mimo_disabled
= sku
& NVM_SKU_CAP_MIMO_DISABLE
;
694 data
->n_hw_addrs
= iwl_get_n_hw_addrs(cfg
, nvm_sw
);
697 /* Checking for required sections */
700 "Can't parse empty Calib NVM sections\n");
704 /* in family 8000 Xtal calibration values moved to OTP */
705 data
->xtal_calib
[0] = *(nvm_calib
+ XTAL_CALIB
);
706 data
->xtal_calib
[1] = *(nvm_calib
+ XTAL_CALIB
+ 1);
708 ch_section
= &nvm_sw
[NVM_CHANNELS
];
710 u16 lar_offset
= data
->nvm_version
< 0xE39 ?
714 lar_config
= le16_to_cpup(regulatory
+ lar_offset
);
715 data
->lar_enabled
= !!(lar_config
&
717 lar_enabled
= data
->lar_enabled
;
718 ch_section
= ®ulatory
[NVM_CHANNELS_EXTENDED
];
721 /* If no valid mac address was found - bail out */
722 if (iwl_set_hw_address(trans
, cfg
, data
, nvm_hw
, mac_override
)) {
727 iwl_init_sbands(dev
, cfg
, data
, ch_section
, tx_chains
, rx_chains
,
728 lar_fw_supported
&& lar_enabled
);
729 data
->calib_version
= 255;
733 IWL_EXPORT_SYMBOL(iwl_parse_nvm_data
);
735 static u32
iwl_nvm_get_regdom_bw_flags(const u8
*nvm_chan
,
736 int ch_idx
, u16 nvm_flags
,
737 const struct iwl_cfg
*cfg
)
739 u32 flags
= NL80211_RRF_NO_HT40
;
740 u32 last_5ghz_ht
= LAST_5GHZ_HT
;
743 last_5ghz_ht
= LAST_5GHZ_HT_FAMILY_8000
;
745 if (ch_idx
< NUM_2GHZ_CHANNELS
&&
746 (nvm_flags
& NVM_CHANNEL_40MHZ
)) {
747 if (nvm_chan
[ch_idx
] <= LAST_2GHZ_HT_PLUS
)
748 flags
&= ~NL80211_RRF_NO_HT40PLUS
;
749 if (nvm_chan
[ch_idx
] >= FIRST_2GHZ_HT_MINUS
)
750 flags
&= ~NL80211_RRF_NO_HT40MINUS
;
751 } else if (nvm_chan
[ch_idx
] <= last_5ghz_ht
&&
752 (nvm_flags
& NVM_CHANNEL_40MHZ
)) {
753 if ((ch_idx
- NUM_2GHZ_CHANNELS
) % 2 == 0)
754 flags
&= ~NL80211_RRF_NO_HT40PLUS
;
756 flags
&= ~NL80211_RRF_NO_HT40MINUS
;
759 if (!(nvm_flags
& NVM_CHANNEL_80MHZ
))
760 flags
|= NL80211_RRF_NO_80MHZ
;
761 if (!(nvm_flags
& NVM_CHANNEL_160MHZ
))
762 flags
|= NL80211_RRF_NO_160MHZ
;
764 if (!(nvm_flags
& NVM_CHANNEL_ACTIVE
))
765 flags
|= NL80211_RRF_NO_IR
;
767 if (nvm_flags
& NVM_CHANNEL_RADAR
)
768 flags
|= NL80211_RRF_DFS
;
770 if (nvm_flags
& NVM_CHANNEL_INDOOR_ONLY
)
771 flags
|= NL80211_RRF_NO_OUTDOOR
;
773 /* Set the GO concurrent flag only in case that NO_IR is set.
774 * Otherwise it is meaningless
776 if ((nvm_flags
& NVM_CHANNEL_GO_CONCURRENT
) &&
777 (flags
& NL80211_RRF_NO_IR
))
778 flags
|= NL80211_RRF_GO_CONCURRENT
;
783 struct ieee80211_regdomain
*
784 iwl_parse_nvm_mcc_info(struct device
*dev
, const struct iwl_cfg
*cfg
,
785 int num_of_ch
, __le32
*channels
, u16 fw_mcc
)
789 u32 reg_rule_flags
, prev_reg_rule_flags
= 0;
790 const u8
*nvm_chan
= cfg
->ext_nvm
?
791 iwl_ext_nvm_channels
: iwl_nvm_channels
;
792 struct ieee80211_regdomain
*regd
;
794 struct ieee80211_reg_rule
*rule
;
795 enum nl80211_band band
;
796 int center_freq
, prev_center_freq
= 0;
799 int max_num_ch
= cfg
->ext_nvm
?
800 IWL_NUM_CHANNELS_EXT
: IWL_NUM_CHANNELS
;
802 if (WARN_ON_ONCE(num_of_ch
> NL80211_MAX_SUPP_REG_RULES
))
803 return ERR_PTR(-EINVAL
);
805 if (WARN_ON(num_of_ch
> max_num_ch
))
806 num_of_ch
= max_num_ch
;
808 IWL_DEBUG_DEV(dev
, IWL_DL_LAR
, "building regdom for %d channels\n",
811 /* build a regdomain rule for every valid channel */
813 sizeof(struct ieee80211_regdomain
) +
814 num_of_ch
* sizeof(struct ieee80211_reg_rule
);
816 regd
= kzalloc(size_of_regd
, GFP_KERNEL
);
818 return ERR_PTR(-ENOMEM
);
820 for (ch_idx
= 0; ch_idx
< num_of_ch
; ch_idx
++) {
821 ch_flags
= (u16
)__le32_to_cpup(channels
+ ch_idx
);
822 band
= (ch_idx
< NUM_2GHZ_CHANNELS
) ?
823 NL80211_BAND_2GHZ
: NL80211_BAND_5GHZ
;
824 center_freq
= ieee80211_channel_to_frequency(nvm_chan
[ch_idx
],
828 if (!(ch_flags
& NVM_CHANNEL_VALID
)) {
829 IWL_DEBUG_DEV(dev
, IWL_DL_LAR
,
830 "Ch. %d Flags %x [%sGHz] - No traffic\n",
833 (ch_idx
>= NUM_2GHZ_CHANNELS
) ?
838 reg_rule_flags
= iwl_nvm_get_regdom_bw_flags(nvm_chan
, ch_idx
,
841 /* we can't continue the same rule */
842 if (ch_idx
== 0 || prev_reg_rule_flags
!= reg_rule_flags
||
843 center_freq
- prev_center_freq
> 20) {
848 rule
= ®d
->reg_rules
[valid_rules
- 1];
851 rule
->freq_range
.start_freq_khz
=
852 MHZ_TO_KHZ(center_freq
- 10);
854 rule
->freq_range
.end_freq_khz
= MHZ_TO_KHZ(center_freq
+ 10);
856 /* this doesn't matter - not used by FW */
857 rule
->power_rule
.max_antenna_gain
= DBI_TO_MBI(6);
858 rule
->power_rule
.max_eirp
=
859 DBM_TO_MBM(IWL_DEFAULT_MAX_TX_POWER
);
861 rule
->flags
= reg_rule_flags
;
863 /* rely on auto-calculation to merge BW of contiguous chans */
864 rule
->flags
|= NL80211_RRF_AUTO_BW
;
865 rule
->freq_range
.max_bandwidth_khz
= 0;
867 prev_center_freq
= center_freq
;
868 prev_reg_rule_flags
= reg_rule_flags
;
870 IWL_DEBUG_DEV(dev
, IWL_DL_LAR
,
871 "Ch. %d [%sGHz] %s%s%s%s%s%s%s%s%s(0x%02x) reg_flags 0x%x: %s\n",
873 band
== NL80211_BAND_5GHZ
? "5.2" : "2.4",
874 CHECK_AND_PRINT_I(VALID
),
875 CHECK_AND_PRINT_I(ACTIVE
),
876 CHECK_AND_PRINT_I(RADAR
),
877 CHECK_AND_PRINT_I(WIDE
),
878 CHECK_AND_PRINT_I(40MHZ
),
879 CHECK_AND_PRINT_I(80MHZ
),
880 CHECK_AND_PRINT_I(160MHZ
),
881 CHECK_AND_PRINT_I(INDOOR_ONLY
),
882 CHECK_AND_PRINT_I(GO_CONCURRENT
),
883 ch_flags
, reg_rule_flags
,
884 ((ch_flags
& NVM_CHANNEL_ACTIVE
) &&
885 !(ch_flags
& NVM_CHANNEL_RADAR
))
889 regd
->n_reg_rules
= valid_rules
;
891 /* set alpha2 from FW. */
892 regd
->alpha2
[0] = fw_mcc
>> 8;
893 regd
->alpha2
[1] = fw_mcc
& 0xff;
897 IWL_EXPORT_SYMBOL(iwl_parse_nvm_mcc_info
);
900 #define WRDD_METHOD "WRDD"
901 #define WRDD_WIFI (0x07)
902 #define WRDD_WIGIG (0x10)
904 static u32
iwl_wrdd_get_mcc(struct device
*dev
, union acpi_object
*wrdd
)
906 union acpi_object
*mcc_pkg
, *domain_type
, *mcc_value
;
909 if (wrdd
->type
!= ACPI_TYPE_PACKAGE
||
910 wrdd
->package
.count
< 2 ||
911 wrdd
->package
.elements
[0].type
!= ACPI_TYPE_INTEGER
||
912 wrdd
->package
.elements
[0].integer
.value
!= 0) {
913 IWL_DEBUG_EEPROM(dev
, "Unsupported wrdd structure\n");
917 for (i
= 1 ; i
< wrdd
->package
.count
; ++i
) {
918 mcc_pkg
= &wrdd
->package
.elements
[i
];
920 if (mcc_pkg
->type
!= ACPI_TYPE_PACKAGE
||
921 mcc_pkg
->package
.count
< 2 ||
922 mcc_pkg
->package
.elements
[0].type
!= ACPI_TYPE_INTEGER
||
923 mcc_pkg
->package
.elements
[1].type
!= ACPI_TYPE_INTEGER
) {
928 domain_type
= &mcc_pkg
->package
.elements
[0];
929 if (domain_type
->integer
.value
== WRDD_WIFI
)
936 mcc_value
= &mcc_pkg
->package
.elements
[1];
937 return mcc_value
->integer
.value
;
943 int iwl_get_bios_mcc(struct device
*dev
, char *mcc
)
945 acpi_handle root_handle
;
947 struct acpi_buffer wrdd
= {ACPI_ALLOCATE_BUFFER
, NULL
};
951 root_handle
= ACPI_HANDLE(dev
);
953 IWL_DEBUG_EEPROM(dev
,
954 "Could not retrieve root port ACPI handle\n");
958 /* Get the method's handle */
959 status
= acpi_get_handle(root_handle
, (acpi_string
)WRDD_METHOD
,
961 if (ACPI_FAILURE(status
)) {
962 IWL_DEBUG_EEPROM(dev
, "WRD method not found\n");
966 /* Call WRDD with no arguments */
967 status
= acpi_evaluate_object(handle
, NULL
, NULL
, &wrdd
);
968 if (ACPI_FAILURE(status
)) {
969 IWL_DEBUG_EEPROM(dev
, "WRDC invocation failed (0x%x)\n",
974 mcc_val
= iwl_wrdd_get_mcc(dev
, wrdd
.pointer
);
979 mcc
[0] = (mcc_val
>> 8) & 0xff;
980 mcc
[1] = mcc_val
& 0xff;
984 IWL_EXPORT_SYMBOL(iwl_get_bios_mcc
);