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
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.
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.
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,
25 * The full GNU General Public License is included in this distribution
26 * in the file called COPYING.
28 * Contact Information:
29 * Intel Linux Wireless <ilw@linux.intel.com>
30 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
34 * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
35 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
36 * All rights reserved.
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
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
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.
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>
70 #include "iwl-modparams.h"
71 #include "iwl-nvm-parse.h"
73 /* NVM offsets (in words) definitions */
74 enum wkp_nvm_offsets
{
75 /* NVM HW-Section offset (in words) definitions */
78 /* NVM SW-Section offset (in words) definitions */
79 NVM_SW_SECTION
= 0x1C0,
84 NVM_CHANNELS
= 0x1E0 - NVM_SW_SECTION
,
86 /* NVM calibration section offset (in words) definitions */
87 NVM_CALIB_SECTION
= 0x2B8,
88 XTAL_CALIB
= 0x316 - NVM_CALIB_SECTION
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,
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,
104 N_HW_ADDRS_FAMILY_8000
= 3,
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,
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
117 /* SKU Capabilities (actual values from NVM definition) */
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 NVM_SKU_CAP_MIMO_DISABLE
= BIT(5),
127 * These are the channel numbers in the order that they are stored in the NVM
129 static const u8 iwl_nvm_channels
[] = {
131 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
133 36, 40, 44 , 48, 52, 56, 60, 64,
134 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144,
135 149, 153, 157, 161, 165
138 static const u8 iwl_nvm_channels_family_8000
[] = {
140 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
142 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92,
143 96, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144,
144 149, 153, 157, 161, 165, 169, 173, 177, 181
147 #define IWL_NUM_CHANNELS ARRAY_SIZE(iwl_nvm_channels)
148 #define IWL_NUM_CHANNELS_FAMILY_8000 ARRAY_SIZE(iwl_nvm_channels_family_8000)
149 #define NUM_2GHZ_CHANNELS 14
150 #define NUM_2GHZ_CHANNELS_FAMILY_8000 14
151 #define FIRST_2GHZ_HT_MINUS 5
152 #define LAST_2GHZ_HT_PLUS 9
153 #define LAST_5GHZ_HT 165
154 #define LAST_5GHZ_HT_FAMILY_8000 181
155 #define N_HW_ADDR_MASK 0xF
157 /* rate data (static) */
158 static struct ieee80211_rate iwl_cfg80211_rates
[] = {
159 { .bitrate
= 1 * 10, .hw_value
= 0, .hw_value_short
= 0, },
160 { .bitrate
= 2 * 10, .hw_value
= 1, .hw_value_short
= 1,
161 .flags
= IEEE80211_RATE_SHORT_PREAMBLE
, },
162 { .bitrate
= 5.5 * 10, .hw_value
= 2, .hw_value_short
= 2,
163 .flags
= IEEE80211_RATE_SHORT_PREAMBLE
, },
164 { .bitrate
= 11 * 10, .hw_value
= 3, .hw_value_short
= 3,
165 .flags
= IEEE80211_RATE_SHORT_PREAMBLE
, },
166 { .bitrate
= 6 * 10, .hw_value
= 4, .hw_value_short
= 4, },
167 { .bitrate
= 9 * 10, .hw_value
= 5, .hw_value_short
= 5, },
168 { .bitrate
= 12 * 10, .hw_value
= 6, .hw_value_short
= 6, },
169 { .bitrate
= 18 * 10, .hw_value
= 7, .hw_value_short
= 7, },
170 { .bitrate
= 24 * 10, .hw_value
= 8, .hw_value_short
= 8, },
171 { .bitrate
= 36 * 10, .hw_value
= 9, .hw_value_short
= 9, },
172 { .bitrate
= 48 * 10, .hw_value
= 10, .hw_value_short
= 10, },
173 { .bitrate
= 54 * 10, .hw_value
= 11, .hw_value_short
= 11, },
175 #define RATES_24_OFFS 0
176 #define N_RATES_24 ARRAY_SIZE(iwl_cfg80211_rates)
177 #define RATES_52_OFFS 4
178 #define N_RATES_52 (N_RATES_24 - RATES_52_OFFS)
181 * enum iwl_nvm_channel_flags - channel flags in NVM
182 * @NVM_CHANNEL_VALID: channel is usable for this SKU/geo
183 * @NVM_CHANNEL_IBSS: usable as an IBSS channel
184 * @NVM_CHANNEL_ACTIVE: active scanning allowed
185 * @NVM_CHANNEL_RADAR: radar detection required
186 * @NVM_CHANNEL_INDOOR_ONLY: only indoor use is allowed
187 * @NVM_CHANNEL_GO_CONCURRENT: GO operation is allowed when connected to BSS
188 * on same channel on 2.4 or same UNII band on 5.2
189 * @NVM_CHANNEL_WIDE: 20 MHz channel okay (?)
190 * @NVM_CHANNEL_40MHZ: 40 MHz channel okay (?)
191 * @NVM_CHANNEL_80MHZ: 80 MHz channel okay (?)
192 * @NVM_CHANNEL_160MHZ: 160 MHz channel okay (?)
194 enum iwl_nvm_channel_flags
{
195 NVM_CHANNEL_VALID
= BIT(0),
196 NVM_CHANNEL_IBSS
= BIT(1),
197 NVM_CHANNEL_ACTIVE
= BIT(3),
198 NVM_CHANNEL_RADAR
= BIT(4),
199 NVM_CHANNEL_INDOOR_ONLY
= BIT(5),
200 NVM_CHANNEL_GO_CONCURRENT
= BIT(6),
201 NVM_CHANNEL_WIDE
= BIT(8),
202 NVM_CHANNEL_40MHZ
= BIT(9),
203 NVM_CHANNEL_80MHZ
= BIT(10),
204 NVM_CHANNEL_160MHZ
= BIT(11),
207 #define CHECK_AND_PRINT_I(x) \
208 ((ch_flags & NVM_CHANNEL_##x) ? # x " " : "")
210 static u32
iwl_get_channel_flags(u8 ch_num
, int ch_idx
, bool is_5ghz
,
211 u16 nvm_flags
, const struct iwl_cfg
*cfg
)
213 u32 flags
= IEEE80211_CHAN_NO_HT40
;
214 u32 last_5ghz_ht
= LAST_5GHZ_HT
;
216 if (cfg
->device_family
== IWL_DEVICE_FAMILY_8000
)
217 last_5ghz_ht
= LAST_5GHZ_HT_FAMILY_8000
;
219 if (!is_5ghz
&& (nvm_flags
& NVM_CHANNEL_40MHZ
)) {
220 if (ch_num
<= LAST_2GHZ_HT_PLUS
)
221 flags
&= ~IEEE80211_CHAN_NO_HT40PLUS
;
222 if (ch_num
>= FIRST_2GHZ_HT_MINUS
)
223 flags
&= ~IEEE80211_CHAN_NO_HT40MINUS
;
224 } else if (ch_num
<= last_5ghz_ht
&& (nvm_flags
& NVM_CHANNEL_40MHZ
)) {
225 if ((ch_idx
- NUM_2GHZ_CHANNELS
) % 2 == 0)
226 flags
&= ~IEEE80211_CHAN_NO_HT40PLUS
;
228 flags
&= ~IEEE80211_CHAN_NO_HT40MINUS
;
230 if (!(nvm_flags
& NVM_CHANNEL_80MHZ
))
231 flags
|= IEEE80211_CHAN_NO_80MHZ
;
232 if (!(nvm_flags
& NVM_CHANNEL_160MHZ
))
233 flags
|= IEEE80211_CHAN_NO_160MHZ
;
235 if (!(nvm_flags
& NVM_CHANNEL_IBSS
))
236 flags
|= IEEE80211_CHAN_NO_IR
;
238 if (!(nvm_flags
& NVM_CHANNEL_ACTIVE
))
239 flags
|= IEEE80211_CHAN_NO_IR
;
241 if (nvm_flags
& NVM_CHANNEL_RADAR
)
242 flags
|= IEEE80211_CHAN_RADAR
;
244 if (nvm_flags
& NVM_CHANNEL_INDOOR_ONLY
)
245 flags
|= IEEE80211_CHAN_INDOOR_ONLY
;
247 /* Set the GO concurrent flag only in case that NO_IR is set.
248 * Otherwise it is meaningless
250 if ((nvm_flags
& NVM_CHANNEL_GO_CONCURRENT
) &&
251 (flags
& IEEE80211_CHAN_NO_IR
))
252 flags
|= IEEE80211_CHAN_IR_CONCURRENT
;
257 static int iwl_init_channel_map(struct device
*dev
, const struct iwl_cfg
*cfg
,
258 struct iwl_nvm_data
*data
,
259 const __le16
* const nvm_ch_flags
,
264 struct ieee80211_channel
*channel
;
267 int num_of_ch
, num_2ghz_channels
;
270 if (cfg
->device_family
!= IWL_DEVICE_FAMILY_8000
) {
271 num_of_ch
= IWL_NUM_CHANNELS
;
272 nvm_chan
= &iwl_nvm_channels
[0];
273 num_2ghz_channels
= NUM_2GHZ_CHANNELS
;
275 num_of_ch
= IWL_NUM_CHANNELS_FAMILY_8000
;
276 nvm_chan
= &iwl_nvm_channels_family_8000
[0];
277 num_2ghz_channels
= NUM_2GHZ_CHANNELS_FAMILY_8000
;
280 for (ch_idx
= 0; ch_idx
< num_of_ch
; ch_idx
++) {
281 ch_flags
= __le16_to_cpup(nvm_ch_flags
+ ch_idx
);
283 if (ch_idx
>= num_2ghz_channels
&&
284 !data
->sku_cap_band_52GHz_enable
)
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 IEEE80211_BAND_2GHZ
: IEEE80211_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
== IEEE80211_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] %s%s%s%s%s%s%s(0x%02x %ddBm): Ad-Hoc %ssupported\n",
332 is_5ghz
? "5.2" : "2.4",
333 CHECK_AND_PRINT_I(VALID
),
334 CHECK_AND_PRINT_I(IBSS
),
335 CHECK_AND_PRINT_I(ACTIVE
),
336 CHECK_AND_PRINT_I(RADAR
),
337 CHECK_AND_PRINT_I(WIDE
),
338 CHECK_AND_PRINT_I(INDOOR_ONLY
),
339 CHECK_AND_PRINT_I(GO_CONCURRENT
),
342 ((ch_flags
& NVM_CHANNEL_IBSS
) &&
343 !(ch_flags
& NVM_CHANNEL_RADAR
))
350 static void iwl_init_vht_hw_capab(const struct iwl_cfg
*cfg
,
351 struct iwl_nvm_data
*data
,
352 struct ieee80211_sta_vht_cap
*vht_cap
,
353 u8 tx_chains
, u8 rx_chains
)
355 int num_rx_ants
= num_of_ant(rx_chains
);
356 int num_tx_ants
= num_of_ant(tx_chains
);
357 unsigned int max_ampdu_exponent
= (cfg
->max_vht_ampdu_exponent
?:
358 IEEE80211_VHT_MAX_AMPDU_1024K
);
360 vht_cap
->vht_supported
= true;
362 vht_cap
->cap
= IEEE80211_VHT_CAP_SHORT_GI_80
|
363 IEEE80211_VHT_CAP_RXSTBC_1
|
364 IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE
|
365 3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT
|
366 max_ampdu_exponent
<<
367 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT
;
369 if (cfg
->ht_params
->ldpc
)
370 vht_cap
->cap
|= IEEE80211_VHT_CAP_RXLDPC
;
372 if (data
->sku_cap_mimo_disabled
) {
378 vht_cap
->cap
|= IEEE80211_VHT_CAP_TXSTBC
;
380 vht_cap
->cap
|= IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN
;
382 if (iwlwifi_mod_params
.amsdu_size_8K
)
383 vht_cap
->cap
|= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991
;
385 vht_cap
->vht_mcs
.rx_mcs_map
=
386 cpu_to_le16(IEEE80211_VHT_MCS_SUPPORT_0_9
<< 0 |
387 IEEE80211_VHT_MCS_SUPPORT_0_9
<< 2 |
388 IEEE80211_VHT_MCS_NOT_SUPPORTED
<< 4 |
389 IEEE80211_VHT_MCS_NOT_SUPPORTED
<< 6 |
390 IEEE80211_VHT_MCS_NOT_SUPPORTED
<< 8 |
391 IEEE80211_VHT_MCS_NOT_SUPPORTED
<< 10 |
392 IEEE80211_VHT_MCS_NOT_SUPPORTED
<< 12 |
393 IEEE80211_VHT_MCS_NOT_SUPPORTED
<< 14);
395 if (num_rx_ants
== 1 || cfg
->rx_with_siso_diversity
) {
396 vht_cap
->cap
|= IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN
;
397 /* this works because NOT_SUPPORTED == 3 */
398 vht_cap
->vht_mcs
.rx_mcs_map
|=
399 cpu_to_le16(IEEE80211_VHT_MCS_NOT_SUPPORTED
<< 2);
402 vht_cap
->vht_mcs
.tx_mcs_map
= vht_cap
->vht_mcs
.rx_mcs_map
;
405 static void iwl_init_sbands(struct device
*dev
, const struct iwl_cfg
*cfg
,
406 struct iwl_nvm_data
*data
,
407 const __le16
*ch_section
,
408 u8 tx_chains
, u8 rx_chains
, bool lar_supported
)
412 struct ieee80211_supported_band
*sband
;
414 if (cfg
->device_family
!= IWL_DEVICE_FAMILY_8000
)
415 n_channels
= iwl_init_channel_map(
417 &ch_section
[NVM_CHANNELS
], lar_supported
);
419 n_channels
= iwl_init_channel_map(
421 &ch_section
[NVM_CHANNELS_FAMILY_8000
],
424 sband
= &data
->bands
[IEEE80211_BAND_2GHZ
];
425 sband
->band
= IEEE80211_BAND_2GHZ
;
426 sband
->bitrates
= &iwl_cfg80211_rates
[RATES_24_OFFS
];
427 sband
->n_bitrates
= N_RATES_24
;
428 n_used
+= iwl_init_sband_channels(data
, sband
, n_channels
,
429 IEEE80211_BAND_2GHZ
);
430 iwl_init_ht_hw_capab(cfg
, data
, &sband
->ht_cap
, IEEE80211_BAND_2GHZ
,
431 tx_chains
, rx_chains
);
433 sband
= &data
->bands
[IEEE80211_BAND_5GHZ
];
434 sband
->band
= IEEE80211_BAND_5GHZ
;
435 sband
->bitrates
= &iwl_cfg80211_rates
[RATES_52_OFFS
];
436 sband
->n_bitrates
= N_RATES_52
;
437 n_used
+= iwl_init_sband_channels(data
, sband
, n_channels
,
438 IEEE80211_BAND_5GHZ
);
439 iwl_init_ht_hw_capab(cfg
, data
, &sband
->ht_cap
, IEEE80211_BAND_5GHZ
,
440 tx_chains
, rx_chains
);
441 if (data
->sku_cap_11ac_enable
)
442 iwl_init_vht_hw_capab(cfg
, data
, &sband
->vht_cap
,
443 tx_chains
, rx_chains
);
445 if (n_channels
!= n_used
)
446 IWL_ERR_DEV(dev
, "NVM: used only %d of %d channels\n",
450 static int iwl_get_sku(const struct iwl_cfg
*cfg
, const __le16
*nvm_sw
,
451 const __le16
*phy_sku
)
453 if (cfg
->device_family
!= IWL_DEVICE_FAMILY_8000
)
454 return le16_to_cpup(nvm_sw
+ SKU
);
456 return le32_to_cpup((__le32
*)(phy_sku
+ SKU_FAMILY_8000
));
459 static int iwl_get_nvm_version(const struct iwl_cfg
*cfg
, const __le16
*nvm_sw
)
461 if (cfg
->device_family
!= IWL_DEVICE_FAMILY_8000
)
462 return le16_to_cpup(nvm_sw
+ NVM_VERSION
);
464 return le32_to_cpup((__le32
*)(nvm_sw
+
465 NVM_VERSION_FAMILY_8000
));
468 static int iwl_get_radio_cfg(const struct iwl_cfg
*cfg
, const __le16
*nvm_sw
,
469 const __le16
*phy_sku
)
471 if (cfg
->device_family
!= IWL_DEVICE_FAMILY_8000
)
472 return le16_to_cpup(nvm_sw
+ RADIO_CFG
);
474 return le32_to_cpup((__le32
*)(phy_sku
+ RADIO_CFG_FAMILY_8000
));
478 static int iwl_get_n_hw_addrs(const struct iwl_cfg
*cfg
, const __le16
*nvm_sw
)
482 if (cfg
->device_family
!= IWL_DEVICE_FAMILY_8000
)
483 return le16_to_cpup(nvm_sw
+ N_HW_ADDRS
);
485 n_hw_addr
= le32_to_cpup((__le32
*)(nvm_sw
+ N_HW_ADDRS_FAMILY_8000
));
487 return n_hw_addr
& N_HW_ADDR_MASK
;
490 static void iwl_set_radio_cfg(const struct iwl_cfg
*cfg
,
491 struct iwl_nvm_data
*data
,
494 if (cfg
->device_family
!= IWL_DEVICE_FAMILY_8000
) {
495 data
->radio_cfg_type
= NVM_RF_CFG_TYPE_MSK(radio_cfg
);
496 data
->radio_cfg_step
= NVM_RF_CFG_STEP_MSK(radio_cfg
);
497 data
->radio_cfg_dash
= NVM_RF_CFG_DASH_MSK(radio_cfg
);
498 data
->radio_cfg_pnum
= NVM_RF_CFG_PNUM_MSK(radio_cfg
);
502 /* set the radio configuration for family 8000 */
503 data
->radio_cfg_type
= NVM_RF_CFG_TYPE_MSK_FAMILY_8000(radio_cfg
);
504 data
->radio_cfg_step
= NVM_RF_CFG_STEP_MSK_FAMILY_8000(radio_cfg
);
505 data
->radio_cfg_dash
= NVM_RF_CFG_DASH_MSK_FAMILY_8000(radio_cfg
);
506 data
->radio_cfg_pnum
= NVM_RF_CFG_FLAVOR_MSK_FAMILY_8000(radio_cfg
);
507 data
->valid_tx_ant
= NVM_RF_CFG_TX_ANT_MSK_FAMILY_8000(radio_cfg
);
508 data
->valid_rx_ant
= NVM_RF_CFG_RX_ANT_MSK_FAMILY_8000(radio_cfg
);
511 static void iwl_set_hw_address(const struct iwl_cfg
*cfg
,
512 struct iwl_nvm_data
*data
,
513 const __le16
*nvm_sec
)
515 const u8
*hw_addr
= (const u8
*)(nvm_sec
+ HW_ADDR
);
517 /* The byte order is little endian 16 bit, meaning 214365 */
518 data
->hw_addr
[0] = hw_addr
[1];
519 data
->hw_addr
[1] = hw_addr
[0];
520 data
->hw_addr
[2] = hw_addr
[3];
521 data
->hw_addr
[3] = hw_addr
[2];
522 data
->hw_addr
[4] = hw_addr
[5];
523 data
->hw_addr
[5] = hw_addr
[4];
526 static void iwl_set_hw_address_family_8000(struct device
*dev
,
527 const struct iwl_cfg
*cfg
,
528 struct iwl_nvm_data
*data
,
529 const __le16
*mac_override
,
530 const __le16
*nvm_hw
,
531 u32 mac_addr0
, u32 mac_addr1
)
536 static const u8 reserved_mac
[] = {
537 0x02, 0xcc, 0xaa, 0xff, 0xee, 0x00
540 hw_addr
= (const u8
*)(mac_override
+
541 MAC_ADDRESS_OVERRIDE_FAMILY_8000
);
543 /* The byte order is little endian 16 bit, meaning 214365 */
544 data
->hw_addr
[0] = hw_addr
[1];
545 data
->hw_addr
[1] = hw_addr
[0];
546 data
->hw_addr
[2] = hw_addr
[3];
547 data
->hw_addr
[3] = hw_addr
[2];
548 data
->hw_addr
[4] = hw_addr
[5];
549 data
->hw_addr
[5] = hw_addr
[4];
552 * Force the use of the OTP MAC address in case of reserved MAC
553 * address in the NVM, or if address is given but invalid.
555 if (is_valid_ether_addr(data
->hw_addr
) &&
556 memcmp(reserved_mac
, hw_addr
, ETH_ALEN
) != 0)
560 "mac address from nvm override section is not valid\n");
564 /* read the MAC address from HW resisters */
565 hw_addr
= (const u8
*)&mac_addr0
;
566 data
->hw_addr
[0] = hw_addr
[3];
567 data
->hw_addr
[1] = hw_addr
[2];
568 data
->hw_addr
[2] = hw_addr
[1];
569 data
->hw_addr
[3] = hw_addr
[0];
571 hw_addr
= (const u8
*)&mac_addr1
;
572 data
->hw_addr
[4] = hw_addr
[1];
573 data
->hw_addr
[5] = hw_addr
[0];
575 if (!is_valid_ether_addr(data
->hw_addr
))
577 "mac address from hw section is not valid\n");
582 IWL_ERR_DEV(dev
, "mac address is not found\n");
585 struct iwl_nvm_data
*
586 iwl_parse_nvm_data(struct device
*dev
, const struct iwl_cfg
*cfg
,
587 const __le16
*nvm_hw
, const __le16
*nvm_sw
,
588 const __le16
*nvm_calib
, const __le16
*regulatory
,
589 const __le16
*mac_override
, const __le16
*phy_sku
,
590 u8 tx_chains
, u8 rx_chains
, bool lar_fw_supported
,
591 u32 mac_addr0
, u32 mac_addr1
)
593 struct iwl_nvm_data
*data
;
598 if (cfg
->device_family
!= IWL_DEVICE_FAMILY_8000
)
599 data
= kzalloc(sizeof(*data
) +
600 sizeof(struct ieee80211_channel
) *
604 data
= kzalloc(sizeof(*data
) +
605 sizeof(struct ieee80211_channel
) *
606 IWL_NUM_CHANNELS_FAMILY_8000
,
611 data
->nvm_version
= iwl_get_nvm_version(cfg
, nvm_sw
);
613 radio_cfg
= iwl_get_radio_cfg(cfg
, nvm_sw
, phy_sku
);
614 iwl_set_radio_cfg(cfg
, data
, radio_cfg
);
615 if (data
->valid_tx_ant
)
616 tx_chains
&= data
->valid_tx_ant
;
617 if (data
->valid_rx_ant
)
618 rx_chains
&= data
->valid_rx_ant
;
620 sku
= iwl_get_sku(cfg
, nvm_sw
, phy_sku
);
621 data
->sku_cap_band_24GHz_enable
= sku
& NVM_SKU_CAP_BAND_24GHZ
;
622 data
->sku_cap_band_52GHz_enable
= sku
& NVM_SKU_CAP_BAND_52GHZ
;
623 data
->sku_cap_11n_enable
= sku
& NVM_SKU_CAP_11N_ENABLE
;
624 if (iwlwifi_mod_params
.disable_11n
& IWL_DISABLE_HT_ALL
)
625 data
->sku_cap_11n_enable
= false;
626 data
->sku_cap_11ac_enable
= data
->sku_cap_11n_enable
&&
627 (sku
& NVM_SKU_CAP_11AC_ENABLE
);
628 data
->sku_cap_mimo_disabled
= sku
& NVM_SKU_CAP_MIMO_DISABLE
;
630 data
->n_hw_addrs
= iwl_get_n_hw_addrs(cfg
, nvm_sw
);
632 if (cfg
->device_family
!= IWL_DEVICE_FAMILY_8000
) {
633 /* Checking for required sections */
636 "Can't parse empty Calib NVM sections\n");
640 /* in family 8000 Xtal calibration values moved to OTP */
641 data
->xtal_calib
[0] = *(nvm_calib
+ XTAL_CALIB
);
642 data
->xtal_calib
[1] = *(nvm_calib
+ XTAL_CALIB
+ 1);
645 if (cfg
->device_family
!= IWL_DEVICE_FAMILY_8000
) {
646 iwl_set_hw_address(cfg
, data
, nvm_hw
);
648 iwl_init_sbands(dev
, cfg
, data
, nvm_sw
,
649 tx_chains
, rx_chains
, lar_fw_supported
);
651 u16 lar_offset
= data
->nvm_version
< 0xE39 ?
652 NVM_LAR_OFFSET_FAMILY_8000_OLD
:
653 NVM_LAR_OFFSET_FAMILY_8000
;
655 lar_config
= le16_to_cpup(regulatory
+ lar_offset
);
656 data
->lar_enabled
= !!(lar_config
&
657 NVM_LAR_ENABLED_FAMILY_8000
);
659 /* MAC address in family 8000 */
660 iwl_set_hw_address_family_8000(dev
, cfg
, data
, mac_override
,
661 nvm_hw
, mac_addr0
, mac_addr1
);
663 iwl_init_sbands(dev
, cfg
, data
, regulatory
,
664 tx_chains
, rx_chains
,
665 lar_fw_supported
&& data
->lar_enabled
);
668 data
->calib_version
= 255;
672 IWL_EXPORT_SYMBOL(iwl_parse_nvm_data
);
674 static u32
iwl_nvm_get_regdom_bw_flags(const u8
*nvm_chan
,
675 int ch_idx
, u16 nvm_flags
,
676 const struct iwl_cfg
*cfg
)
678 u32 flags
= NL80211_RRF_NO_HT40
;
679 u32 last_5ghz_ht
= LAST_5GHZ_HT
;
681 if (cfg
->device_family
== IWL_DEVICE_FAMILY_8000
)
682 last_5ghz_ht
= LAST_5GHZ_HT_FAMILY_8000
;
684 if (ch_idx
< NUM_2GHZ_CHANNELS
&&
685 (nvm_flags
& NVM_CHANNEL_40MHZ
)) {
686 if (nvm_chan
[ch_idx
] <= LAST_2GHZ_HT_PLUS
)
687 flags
&= ~NL80211_RRF_NO_HT40PLUS
;
688 if (nvm_chan
[ch_idx
] >= FIRST_2GHZ_HT_MINUS
)
689 flags
&= ~NL80211_RRF_NO_HT40MINUS
;
690 } else if (nvm_chan
[ch_idx
] <= last_5ghz_ht
&&
691 (nvm_flags
& NVM_CHANNEL_40MHZ
)) {
692 if ((ch_idx
- NUM_2GHZ_CHANNELS
) % 2 == 0)
693 flags
&= ~NL80211_RRF_NO_HT40PLUS
;
695 flags
&= ~NL80211_RRF_NO_HT40MINUS
;
698 if (!(nvm_flags
& NVM_CHANNEL_80MHZ
))
699 flags
|= NL80211_RRF_NO_80MHZ
;
700 if (!(nvm_flags
& NVM_CHANNEL_160MHZ
))
701 flags
|= NL80211_RRF_NO_160MHZ
;
703 if (!(nvm_flags
& NVM_CHANNEL_ACTIVE
))
704 flags
|= NL80211_RRF_NO_IR
;
706 if (nvm_flags
& NVM_CHANNEL_RADAR
)
707 flags
|= NL80211_RRF_DFS
;
709 if (nvm_flags
& NVM_CHANNEL_INDOOR_ONLY
)
710 flags
|= NL80211_RRF_NO_OUTDOOR
;
712 /* Set the GO concurrent flag only in case that NO_IR is set.
713 * Otherwise it is meaningless
715 if ((nvm_flags
& NVM_CHANNEL_GO_CONCURRENT
) &&
716 (flags
& NL80211_RRF_NO_IR
))
717 flags
|= NL80211_RRF_GO_CONCURRENT
;
722 struct ieee80211_regdomain
*
723 iwl_parse_nvm_mcc_info(struct device
*dev
, const struct iwl_cfg
*cfg
,
724 int num_of_ch
, __le32
*channels
, u16 fw_mcc
)
727 u16 ch_flags
, prev_ch_flags
= 0;
728 const u8
*nvm_chan
= cfg
->device_family
== IWL_DEVICE_FAMILY_8000
?
729 iwl_nvm_channels_family_8000
: iwl_nvm_channels
;
730 struct ieee80211_regdomain
*regd
;
732 struct ieee80211_reg_rule
*rule
;
733 enum ieee80211_band band
;
734 int center_freq
, prev_center_freq
= 0;
737 int max_num_ch
= cfg
->device_family
== IWL_DEVICE_FAMILY_8000
?
738 IWL_NUM_CHANNELS_FAMILY_8000
: IWL_NUM_CHANNELS
;
740 if (WARN_ON_ONCE(num_of_ch
> NL80211_MAX_SUPP_REG_RULES
))
741 return ERR_PTR(-EINVAL
);
743 if (WARN_ON(num_of_ch
> max_num_ch
))
744 num_of_ch
= max_num_ch
;
746 IWL_DEBUG_DEV(dev
, IWL_DL_LAR
, "building regdom for %d channels\n",
749 /* build a regdomain rule for every valid channel */
751 sizeof(struct ieee80211_regdomain
) +
752 num_of_ch
* sizeof(struct ieee80211_reg_rule
);
754 regd
= kzalloc(size_of_regd
, GFP_KERNEL
);
756 return ERR_PTR(-ENOMEM
);
758 for (ch_idx
= 0; ch_idx
< num_of_ch
; ch_idx
++) {
759 ch_flags
= (u16
)__le32_to_cpup(channels
+ ch_idx
);
760 band
= (ch_idx
< NUM_2GHZ_CHANNELS
) ?
761 IEEE80211_BAND_2GHZ
: IEEE80211_BAND_5GHZ
;
762 center_freq
= ieee80211_channel_to_frequency(nvm_chan
[ch_idx
],
766 if (!(ch_flags
& NVM_CHANNEL_VALID
)) {
767 IWL_DEBUG_DEV(dev
, IWL_DL_LAR
,
768 "Ch. %d Flags %x [%sGHz] - No traffic\n",
771 (ch_idx
>= NUM_2GHZ_CHANNELS
) ?
776 /* we can't continue the same rule */
777 if (ch_idx
== 0 || prev_ch_flags
!= ch_flags
||
778 center_freq
- prev_center_freq
> 20) {
783 rule
= ®d
->reg_rules
[valid_rules
- 1];
786 rule
->freq_range
.start_freq_khz
=
787 MHZ_TO_KHZ(center_freq
- 10);
789 rule
->freq_range
.end_freq_khz
= MHZ_TO_KHZ(center_freq
+ 10);
791 /* this doesn't matter - not used by FW */
792 rule
->power_rule
.max_antenna_gain
= DBI_TO_MBI(6);
793 rule
->power_rule
.max_eirp
=
794 DBM_TO_MBM(IWL_DEFAULT_MAX_TX_POWER
);
796 rule
->flags
= iwl_nvm_get_regdom_bw_flags(nvm_chan
, ch_idx
,
799 /* rely on auto-calculation to merge BW of contiguous chans */
800 rule
->flags
|= NL80211_RRF_AUTO_BW
;
801 rule
->freq_range
.max_bandwidth_khz
= 0;
803 prev_ch_flags
= ch_flags
;
804 prev_center_freq
= center_freq
;
806 IWL_DEBUG_DEV(dev
, IWL_DL_LAR
,
807 "Ch. %d [%sGHz] %s%s%s%s%s%s%s%s%s(0x%02x): Ad-Hoc %ssupported\n",
809 band
== IEEE80211_BAND_5GHZ
? "5.2" : "2.4",
810 CHECK_AND_PRINT_I(VALID
),
811 CHECK_AND_PRINT_I(ACTIVE
),
812 CHECK_AND_PRINT_I(RADAR
),
813 CHECK_AND_PRINT_I(WIDE
),
814 CHECK_AND_PRINT_I(40MHZ
),
815 CHECK_AND_PRINT_I(80MHZ
),
816 CHECK_AND_PRINT_I(160MHZ
),
817 CHECK_AND_PRINT_I(INDOOR_ONLY
),
818 CHECK_AND_PRINT_I(GO_CONCURRENT
),
820 ((ch_flags
& NVM_CHANNEL_ACTIVE
) &&
821 !(ch_flags
& NVM_CHANNEL_RADAR
))
825 regd
->n_reg_rules
= valid_rules
;
827 /* set alpha2 from FW. */
828 regd
->alpha2
[0] = fw_mcc
>> 8;
829 regd
->alpha2
[1] = fw_mcc
& 0xff;
833 IWL_EXPORT_SYMBOL(iwl_parse_nvm_mcc_info
);