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 - 2009 Intel Corporation. All rights reserved.
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.
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.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
24 * The full GNU General Public License is included in this distribution
25 * in the file called LICENSE.GPL.
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 * Copyright(c) 2005 - 2009 Intel Corporation. All rights reserved.
34 * All rights reserved.
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * * Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in
44 * the documentation and/or other materials provided with the
46 * * Neither the name Intel Corporation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
61 *****************************************************************************/
64 #include <linux/kernel.h>
65 #include <linux/module.h>
66 #include <linux/init.h>
68 #include <net/mac80211.h>
70 #include "iwl-commands.h"
73 #include "iwl-debug.h"
74 #include "iwl-eeprom.h"
77 /************************** EEPROM BANDS ****************************
79 * The iwl_eeprom_band definitions below provide the mapping from the
80 * EEPROM contents to the specific channel number supported for each
83 * For example, iwl_priv->eeprom.band_3_channels[4] from the band_3
84 * definition below maps to physical channel 42 in the 5.2GHz spectrum.
85 * The specific geography and calibration information for that channel
86 * is contained in the eeprom map itself.
88 * During init, we copy the eeprom information and channel map
89 * information into priv->channel_info_24/52 and priv->channel_map_24/52
91 * channel_map_24/52 provides the index in the channel_info array for a
92 * given channel. We have to have two separate maps as there is channel
93 * overlap with the 2.4GHz and 5.2GHz spectrum as seen in band_1 and
96 * A value of 0xff stored in the channel_map indicates that the channel
97 * is not supported by the hardware at all.
99 * A value of 0xfe in the channel_map indicates that the channel is not
100 * valid for Tx with the current hardware. This means that
101 * while the system can tune and receive on a given channel, it may not
102 * be able to associate or transmit any frames on that
103 * channel. There is no corresponding channel information for that
106 *********************************************************************/
109 const u8 iwl_eeprom_band_1
[14] = {
110 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
114 static const u8 iwl_eeprom_band_2
[] = { /* 4915-5080MHz */
115 183, 184, 185, 187, 188, 189, 192, 196, 7, 8, 11, 12, 16
118 static const u8 iwl_eeprom_band_3
[] = { /* 5170-5320MHz */
119 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64
122 static const u8 iwl_eeprom_band_4
[] = { /* 5500-5700MHz */
123 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140
126 static const u8 iwl_eeprom_band_5
[] = { /* 5725-5825MHz */
127 145, 149, 153, 157, 161, 165
130 static const u8 iwl_eeprom_band_6
[] = { /* 2.4 FAT channel */
134 static const u8 iwl_eeprom_band_7
[] = { /* 5.2 FAT channel */
135 36, 44, 52, 60, 100, 108, 116, 124, 132, 149, 157
138 /******************************************************************************
140 * EEPROM related functions
142 ******************************************************************************/
144 int iwlcore_eeprom_verify_signature(struct iwl_priv
*priv
)
146 u32 gp
= iwl_read32(priv
, CSR_EEPROM_GP
);
147 if ((gp
& CSR_EEPROM_GP_VALID_MSK
) == CSR_EEPROM_GP_BAD_SIGNATURE
) {
148 IWL_ERR(priv
, "EEPROM not found, EEPROM_GP=0x%08x\n", gp
);
153 EXPORT_SYMBOL(iwlcore_eeprom_verify_signature
);
155 static int iwlcore_get_nvm_type(struct iwl_priv
*priv
)
160 /* OTP only valid for CP/PP and after */
161 switch (priv
->hw_rev
& CSR_HW_REV_TYPE_MSK
) {
162 case CSR_HW_REV_TYPE_3945
:
163 case CSR_HW_REV_TYPE_4965
:
164 case CSR_HW_REV_TYPE_5300
:
165 case CSR_HW_REV_TYPE_5350
:
166 case CSR_HW_REV_TYPE_5100
:
167 case CSR_HW_REV_TYPE_5150
:
168 nvm_type
= NVM_DEVICE_TYPE_EEPROM
;
171 otpgp
= iwl_read32(priv
, CSR_OTP_GP_REG
);
172 if (otpgp
& CSR_OTP_GP_REG_DEVICE_SELECT
)
173 nvm_type
= NVM_DEVICE_TYPE_OTP
;
175 nvm_type
= NVM_DEVICE_TYPE_EEPROM
;
182 * The device's EEPROM semaphore prevents conflicts between driver and uCode
183 * when accessing the EEPROM; each access is a series of pulses to/from the
184 * EEPROM chip, not a single event, so even reads could conflict if they
185 * weren't arbitrated by the semaphore.
187 int iwlcore_eeprom_acquire_semaphore(struct iwl_priv
*priv
)
192 for (count
= 0; count
< EEPROM_SEM_RETRY_LIMIT
; count
++) {
193 /* Request semaphore */
194 iwl_set_bit(priv
, CSR_HW_IF_CONFIG_REG
,
195 CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM
);
197 /* See if we got it */
198 ret
= iwl_poll_direct_bit(priv
, CSR_HW_IF_CONFIG_REG
,
199 CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM
,
202 IWL_DEBUG_IO(priv
, "Acquired semaphore after %d tries.\n",
210 EXPORT_SYMBOL(iwlcore_eeprom_acquire_semaphore
);
212 void iwlcore_eeprom_release_semaphore(struct iwl_priv
*priv
)
214 iwl_clear_bit(priv
, CSR_HW_IF_CONFIG_REG
,
215 CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM
);
218 EXPORT_SYMBOL(iwlcore_eeprom_release_semaphore
);
220 const u8
*iwlcore_eeprom_query_addr(const struct iwl_priv
*priv
, size_t offset
)
222 BUG_ON(offset
>= priv
->cfg
->eeprom_size
);
223 return &priv
->eeprom
[offset
];
225 EXPORT_SYMBOL(iwlcore_eeprom_query_addr
);
227 static int iwl_init_otp_access(struct iwl_priv
*priv
)
231 /* Enable 40MHz radio clock */
232 _iwl_write32(priv
, CSR_GP_CNTRL
,
233 _iwl_read32(priv
, CSR_GP_CNTRL
) |
234 CSR_GP_CNTRL_REG_FLAG_INIT_DONE
);
236 /* wait for clock to be ready */
237 ret
= iwl_poll_direct_bit(priv
, CSR_GP_CNTRL
,
238 CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY
,
241 IWL_ERR(priv
, "Time out access OTP\n");
243 iwl_set_bits_prph(priv
, APMG_PS_CTRL_REG
,
244 APMG_PS_CTRL_VAL_RESET_REQ
);
246 iwl_clear_bits_prph(priv
, APMG_PS_CTRL_REG
,
247 APMG_PS_CTRL_VAL_RESET_REQ
);
253 * iwl_eeprom_init - read EEPROM contents
255 * Load the EEPROM contents from adapter into priv->eeprom
257 * NOTE: This routine uses the non-debug IO access functions.
259 int iwl_eeprom_init(struct iwl_priv
*priv
)
262 u32 gp
= iwl_read32(priv
, CSR_EEPROM_GP
);
268 priv
->nvm_device_type
= iwlcore_get_nvm_type(priv
);
270 /* allocate eeprom */
271 if (priv
->nvm_device_type
== NVM_DEVICE_TYPE_OTP
)
272 priv
->cfg
->eeprom_size
=
273 OTP_BLOCK_SIZE
* OTP_LOWER_BLOCKS_TOTAL
;
274 sz
= priv
->cfg
->eeprom_size
;
275 priv
->eeprom
= kzalloc(sz
, GFP_KERNEL
);
280 e
= (u16
*)priv
->eeprom
;
282 ret
= priv
->cfg
->ops
->lib
->eeprom_ops
.verify_signature(priv
);
284 IWL_ERR(priv
, "EEPROM not found, EEPROM_GP=0x%08x\n", gp
);
289 /* Make sure driver (instead of uCode) is allowed to read EEPROM */
290 ret
= priv
->cfg
->ops
->lib
->eeprom_ops
.acquire_semaphore(priv
);
292 IWL_ERR(priv
, "Failed to acquire EEPROM semaphore.\n");
296 if (priv
->nvm_device_type
== NVM_DEVICE_TYPE_OTP
) {
297 ret
= iwl_init_otp_access(priv
);
299 IWL_ERR(priv
, "Failed to initialize OTP access.\n");
303 _iwl_write32(priv
, CSR_EEPROM_GP
,
304 iwl_read32(priv
, CSR_EEPROM_GP
) &
305 ~CSR_EEPROM_GP_IF_OWNER_MSK
);
307 _iwl_write32(priv
, CSR_OTP_GP_REG
,
308 iwl_read32(priv
, CSR_OTP_GP_REG
) |
309 CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK
|
310 CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK
);
312 for (addr
= 0; addr
< sz
; addr
+= sizeof(u16
)) {
315 _iwl_write32(priv
, CSR_EEPROM_REG
,
316 CSR_EEPROM_REG_MSK_ADDR
& (addr
<< 1));
318 ret
= iwl_poll_direct_bit(priv
, CSR_EEPROM_REG
,
319 CSR_EEPROM_REG_READ_VALID_MSK
,
320 IWL_EEPROM_ACCESS_TIMEOUT
);
322 IWL_ERR(priv
, "Time out reading OTP[%d]\n", addr
);
325 r
= _iwl_read_direct32(priv
, CSR_EEPROM_REG
);
326 /* check for ECC errors: */
327 otpgp
= iwl_read32(priv
, CSR_OTP_GP_REG
);
328 if (otpgp
& CSR_OTP_GP_REG_ECC_UNCORR_STATUS_MSK
) {
329 /* stop in this case */
330 IWL_ERR(priv
, "Uncorrectable OTP ECC error, Abort OTP read\n");
333 if (otpgp
& CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK
) {
334 /* continue in this case */
335 _iwl_write32(priv
, CSR_OTP_GP_REG
,
336 iwl_read32(priv
, CSR_OTP_GP_REG
) |
337 CSR_OTP_GP_REG_ECC_CORR_STATUS_MSK
);
338 IWL_ERR(priv
, "Correctable OTP ECC error, continue read\n");
340 e
[addr
/ 2] = le16_to_cpu((__force __le16
)(r
>> 16));
343 /* eeprom is an array of 16bit values */
344 for (addr
= 0; addr
< sz
; addr
+= sizeof(u16
)) {
347 _iwl_write32(priv
, CSR_EEPROM_REG
,
348 CSR_EEPROM_REG_MSK_ADDR
& (addr
<< 1));
350 ret
= iwl_poll_direct_bit(priv
, CSR_EEPROM_REG
,
351 CSR_EEPROM_REG_READ_VALID_MSK
,
352 IWL_EEPROM_ACCESS_TIMEOUT
);
354 IWL_ERR(priv
, "Time out reading EEPROM[%d]\n", addr
);
357 r
= _iwl_read_direct32(priv
, CSR_EEPROM_REG
);
358 e
[addr
/ 2] = le16_to_cpu((__force __le16
)(r
>> 16));
363 priv
->cfg
->ops
->lib
->eeprom_ops
.release_semaphore(priv
);
366 iwl_eeprom_free(priv
);
370 EXPORT_SYMBOL(iwl_eeprom_init
);
372 void iwl_eeprom_free(struct iwl_priv
*priv
)
377 EXPORT_SYMBOL(iwl_eeprom_free
);
379 int iwl_eeprom_check_version(struct iwl_priv
*priv
)
384 eeprom_ver
= iwl_eeprom_query16(priv
, EEPROM_VERSION
);
385 calib_ver
= priv
->cfg
->ops
->lib
->eeprom_ops
.calib_version(priv
);
387 if (eeprom_ver
< priv
->cfg
->eeprom_ver
||
388 calib_ver
< priv
->cfg
->eeprom_calib_ver
)
393 IWL_ERR(priv
, "Unsupported (too old) EEPROM VER=0x%x < 0x%x CALIB=0x%x < 0x%x\n",
394 eeprom_ver
, priv
->cfg
->eeprom_ver
,
395 calib_ver
, priv
->cfg
->eeprom_calib_ver
);
399 EXPORT_SYMBOL(iwl_eeprom_check_version
);
401 const u8
*iwl_eeprom_query_addr(const struct iwl_priv
*priv
, size_t offset
)
403 return priv
->cfg
->ops
->lib
->eeprom_ops
.query_addr(priv
, offset
);
405 EXPORT_SYMBOL(iwl_eeprom_query_addr
);
407 u16
iwl_eeprom_query16(const struct iwl_priv
*priv
, size_t offset
)
411 return (u16
)priv
->eeprom
[offset
] | ((u16
)priv
->eeprom
[offset
+ 1] << 8);
413 EXPORT_SYMBOL(iwl_eeprom_query16
);
415 void iwl_eeprom_get_mac(const struct iwl_priv
*priv
, u8
*mac
)
417 const u8
*addr
= priv
->cfg
->ops
->lib
->eeprom_ops
.query_addr(priv
,
419 memcpy(mac
, addr
, ETH_ALEN
);
421 EXPORT_SYMBOL(iwl_eeprom_get_mac
);
423 static void iwl_init_band_reference(const struct iwl_priv
*priv
,
424 int eep_band
, int *eeprom_ch_count
,
425 const struct iwl_eeprom_channel
**eeprom_ch_info
,
426 const u8
**eeprom_ch_index
)
428 u32 offset
= priv
->cfg
->ops
->lib
->
429 eeprom_ops
.regulatory_bands
[eep_band
- 1];
431 case 1: /* 2.4GHz band */
432 *eeprom_ch_count
= ARRAY_SIZE(iwl_eeprom_band_1
);
433 *eeprom_ch_info
= (struct iwl_eeprom_channel
*)
434 iwl_eeprom_query_addr(priv
, offset
);
435 *eeprom_ch_index
= iwl_eeprom_band_1
;
437 case 2: /* 4.9GHz band */
438 *eeprom_ch_count
= ARRAY_SIZE(iwl_eeprom_band_2
);
439 *eeprom_ch_info
= (struct iwl_eeprom_channel
*)
440 iwl_eeprom_query_addr(priv
, offset
);
441 *eeprom_ch_index
= iwl_eeprom_band_2
;
443 case 3: /* 5.2GHz band */
444 *eeprom_ch_count
= ARRAY_SIZE(iwl_eeprom_band_3
);
445 *eeprom_ch_info
= (struct iwl_eeprom_channel
*)
446 iwl_eeprom_query_addr(priv
, offset
);
447 *eeprom_ch_index
= iwl_eeprom_band_3
;
449 case 4: /* 5.5GHz band */
450 *eeprom_ch_count
= ARRAY_SIZE(iwl_eeprom_band_4
);
451 *eeprom_ch_info
= (struct iwl_eeprom_channel
*)
452 iwl_eeprom_query_addr(priv
, offset
);
453 *eeprom_ch_index
= iwl_eeprom_band_4
;
455 case 5: /* 5.7GHz band */
456 *eeprom_ch_count
= ARRAY_SIZE(iwl_eeprom_band_5
);
457 *eeprom_ch_info
= (struct iwl_eeprom_channel
*)
458 iwl_eeprom_query_addr(priv
, offset
);
459 *eeprom_ch_index
= iwl_eeprom_band_5
;
461 case 6: /* 2.4GHz FAT channels */
462 *eeprom_ch_count
= ARRAY_SIZE(iwl_eeprom_band_6
);
463 *eeprom_ch_info
= (struct iwl_eeprom_channel
*)
464 iwl_eeprom_query_addr(priv
, offset
);
465 *eeprom_ch_index
= iwl_eeprom_band_6
;
467 case 7: /* 5 GHz FAT channels */
468 *eeprom_ch_count
= ARRAY_SIZE(iwl_eeprom_band_7
);
469 *eeprom_ch_info
= (struct iwl_eeprom_channel
*)
470 iwl_eeprom_query_addr(priv
, offset
);
471 *eeprom_ch_index
= iwl_eeprom_band_7
;
479 #define CHECK_AND_PRINT(x) ((eeprom_ch->flags & EEPROM_CHANNEL_##x) \
483 * iwl_set_fat_chan_info - Copy fat channel info into driver's priv.
485 * Does not set up a command, or touch hardware.
487 static int iwl_set_fat_chan_info(struct iwl_priv
*priv
,
488 enum ieee80211_band band
, u16 channel
,
489 const struct iwl_eeprom_channel
*eeprom_ch
,
490 u8 fat_extension_channel
)
492 struct iwl_channel_info
*ch_info
;
494 ch_info
= (struct iwl_channel_info
*)
495 iwl_get_channel_info(priv
, band
, channel
);
497 if (!is_channel_valid(ch_info
))
500 IWL_DEBUG_INFO(priv
, "FAT Ch. %d [%sGHz] %s%s%s%s%s(0x%02x %ddBm):"
501 " Ad-Hoc %ssupported\n",
503 is_channel_a_band(ch_info
) ?
505 CHECK_AND_PRINT(IBSS
),
506 CHECK_AND_PRINT(ACTIVE
),
507 CHECK_AND_PRINT(RADAR
),
508 CHECK_AND_PRINT(WIDE
),
509 CHECK_AND_PRINT(DFS
),
511 eeprom_ch
->max_power_avg
,
512 ((eeprom_ch
->flags
& EEPROM_CHANNEL_IBSS
)
513 && !(eeprom_ch
->flags
& EEPROM_CHANNEL_RADAR
)) ?
516 ch_info
->fat_eeprom
= *eeprom_ch
;
517 ch_info
->fat_max_power_avg
= eeprom_ch
->max_power_avg
;
518 ch_info
->fat_curr_txpow
= eeprom_ch
->max_power_avg
;
519 ch_info
->fat_min_power
= 0;
520 ch_info
->fat_scan_power
= eeprom_ch
->max_power_avg
;
521 ch_info
->fat_flags
= eeprom_ch
->flags
;
522 ch_info
->fat_extension_channel
= fat_extension_channel
;
527 #define CHECK_AND_PRINT_I(x) ((eeprom_ch_info[ch].flags & EEPROM_CHANNEL_##x) \
531 * iwl_init_channel_map - Set up driver's info for all possible channels
533 int iwl_init_channel_map(struct iwl_priv
*priv
)
535 int eeprom_ch_count
= 0;
536 const u8
*eeprom_ch_index
= NULL
;
537 const struct iwl_eeprom_channel
*eeprom_ch_info
= NULL
;
539 struct iwl_channel_info
*ch_info
;
541 if (priv
->channel_count
) {
542 IWL_DEBUG_INFO(priv
, "Channel map already initialized.\n");
546 IWL_DEBUG_INFO(priv
, "Initializing regulatory info from EEPROM\n");
548 priv
->channel_count
=
549 ARRAY_SIZE(iwl_eeprom_band_1
) +
550 ARRAY_SIZE(iwl_eeprom_band_2
) +
551 ARRAY_SIZE(iwl_eeprom_band_3
) +
552 ARRAY_SIZE(iwl_eeprom_band_4
) +
553 ARRAY_SIZE(iwl_eeprom_band_5
);
555 IWL_DEBUG_INFO(priv
, "Parsing data for %d channels.\n", priv
->channel_count
);
557 priv
->channel_info
= kzalloc(sizeof(struct iwl_channel_info
) *
558 priv
->channel_count
, GFP_KERNEL
);
559 if (!priv
->channel_info
) {
560 IWL_ERR(priv
, "Could not allocate channel_info\n");
561 priv
->channel_count
= 0;
565 ch_info
= priv
->channel_info
;
567 /* Loop through the 5 EEPROM bands adding them in order to the
568 * channel map we maintain (that contains additional information than
569 * what just in the EEPROM) */
570 for (band
= 1; band
<= 5; band
++) {
572 iwl_init_band_reference(priv
, band
, &eeprom_ch_count
,
573 &eeprom_ch_info
, &eeprom_ch_index
);
575 /* Loop through each band adding each of the channels */
576 for (ch
= 0; ch
< eeprom_ch_count
; ch
++) {
577 ch_info
->channel
= eeprom_ch_index
[ch
];
578 ch_info
->band
= (band
== 1) ? IEEE80211_BAND_2GHZ
:
581 /* permanently store EEPROM's channel regulatory flags
582 * and max power in channel info database. */
583 ch_info
->eeprom
= eeprom_ch_info
[ch
];
585 /* Copy the run-time flags so they are there even on
586 * invalid channels */
587 ch_info
->flags
= eeprom_ch_info
[ch
].flags
;
588 /* First write that fat is not enabled, and then enable
590 ch_info
->fat_extension_channel
=
591 (IEEE80211_CHAN_NO_HT40PLUS
|
592 IEEE80211_CHAN_NO_HT40MINUS
);
594 if (!(is_channel_valid(ch_info
))) {
595 IWL_DEBUG_INFO(priv
, "Ch. %d Flags %x [%sGHz] - "
599 is_channel_a_band(ch_info
) ?
605 /* Initialize regulatory-based run-time data */
606 ch_info
->max_power_avg
= ch_info
->curr_txpow
=
607 eeprom_ch_info
[ch
].max_power_avg
;
608 ch_info
->scan_power
= eeprom_ch_info
[ch
].max_power_avg
;
609 ch_info
->min_power
= 0;
611 IWL_DEBUG_INFO(priv
, "Ch. %d [%sGHz] %s%s%s%s%s%s(0x%02x %ddBm):"
612 " Ad-Hoc %ssupported\n",
614 is_channel_a_band(ch_info
) ?
616 CHECK_AND_PRINT_I(VALID
),
617 CHECK_AND_PRINT_I(IBSS
),
618 CHECK_AND_PRINT_I(ACTIVE
),
619 CHECK_AND_PRINT_I(RADAR
),
620 CHECK_AND_PRINT_I(WIDE
),
621 CHECK_AND_PRINT_I(DFS
),
622 eeprom_ch_info
[ch
].flags
,
623 eeprom_ch_info
[ch
].max_power_avg
,
624 ((eeprom_ch_info
[ch
].
625 flags
& EEPROM_CHANNEL_IBSS
)
626 && !(eeprom_ch_info
[ch
].
627 flags
& EEPROM_CHANNEL_RADAR
))
630 /* Set the tx_power_user_lmt to the highest power
631 * supported by any channel */
632 if (eeprom_ch_info
[ch
].max_power_avg
>
633 priv
->tx_power_user_lmt
)
634 priv
->tx_power_user_lmt
=
635 eeprom_ch_info
[ch
].max_power_avg
;
641 /* Check if we do have FAT channels */
642 if (priv
->cfg
->ops
->lib
->eeprom_ops
.regulatory_bands
[5] ==
643 EEPROM_REGULATORY_BAND_NO_FAT
&&
644 priv
->cfg
->ops
->lib
->eeprom_ops
.regulatory_bands
[6] ==
645 EEPROM_REGULATORY_BAND_NO_FAT
)
648 /* Two additional EEPROM bands for 2.4 and 5 GHz FAT channels */
649 for (band
= 6; band
<= 7; band
++) {
650 enum ieee80211_band ieeeband
;
651 u8 fat_extension_chan
;
653 iwl_init_band_reference(priv
, band
, &eeprom_ch_count
,
654 &eeprom_ch_info
, &eeprom_ch_index
);
656 /* EEPROM band 6 is 2.4, band 7 is 5 GHz */
658 (band
== 6) ? IEEE80211_BAND_2GHZ
: IEEE80211_BAND_5GHZ
;
660 /* Loop through each band adding each of the channels */
661 for (ch
= 0; ch
< eeprom_ch_count
; ch
++) {
664 ((eeprom_ch_index
[ch
] == 5) ||
665 (eeprom_ch_index
[ch
] == 6) ||
666 (eeprom_ch_index
[ch
] == 7)))
667 /* both are allowed: above and below */
668 fat_extension_chan
= 0;
671 IEEE80211_CHAN_NO_HT40MINUS
;
673 /* Set up driver's info for lower half */
674 iwl_set_fat_chan_info(priv
, ieeeband
,
676 &(eeprom_ch_info
[ch
]),
679 /* Set up driver's info for upper half */
680 iwl_set_fat_chan_info(priv
, ieeeband
,
681 (eeprom_ch_index
[ch
] + 4),
682 &(eeprom_ch_info
[ch
]),
683 IEEE80211_CHAN_NO_HT40PLUS
);
689 EXPORT_SYMBOL(iwl_init_channel_map
);
692 * iwl_free_channel_map - undo allocations in iwl_init_channel_map
694 void iwl_free_channel_map(struct iwl_priv
*priv
)
696 kfree(priv
->channel_info
);
697 priv
->channel_count
= 0;
699 EXPORT_SYMBOL(iwl_free_channel_map
);
702 * iwl_get_channel_info - Find driver's private channel info
704 * Based on band and channel number.
706 const struct iwl_channel_info
*iwl_get_channel_info(const struct iwl_priv
*priv
,
707 enum ieee80211_band band
, u16 channel
)
712 case IEEE80211_BAND_5GHZ
:
713 for (i
= 14; i
< priv
->channel_count
; i
++) {
714 if (priv
->channel_info
[i
].channel
== channel
)
715 return &priv
->channel_info
[i
];
718 case IEEE80211_BAND_2GHZ
:
719 if (channel
>= 1 && channel
<= 14)
720 return &priv
->channel_info
[channel
- 1];
728 EXPORT_SYMBOL(iwl_get_channel_info
);