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linux/drivers/net/wireless/iwlwifi/iwl-eeprom.h
Wey-Yi Guy fa57980e40 iwlagn: add 2000 series EEPROM version 
Adding EEPROM version for 2000 series devices

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-01-21 15:28:55 -08:00

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/******************************************************************************
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2008 - 2010 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
* USA
*
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
* BSD LICENSE
*
* Copyright(c) 2005 - 2010 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
#ifndef __iwl_eeprom_h__
#define __iwl_eeprom_h__
#include <net/mac80211.h>
struct iwl_priv;
/*
* EEPROM access time values:
*
* Driver initiates EEPROM read by writing byte address << 1 to CSR_EEPROM_REG.
* Driver then polls CSR_EEPROM_REG for CSR_EEPROM_REG_READ_VALID_MSK (0x1).
* When polling, wait 10 uSec between polling loops, up to a maximum 5000 uSec.
* Driver reads 16-bit value from bits 31-16 of CSR_EEPROM_REG.
*/
#define IWL_EEPROM_ACCESS_TIMEOUT 5000 /* uSec */
#define IWL_EEPROM_SEM_TIMEOUT 10 /* microseconds */
#define IWL_EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
/*
* Regulatory channel usage flags in EEPROM struct iwl4965_eeprom_channel.flags.
*
* IBSS and/or AP operation is allowed *only* on those channels with
* (VALID && IBSS && ACTIVE && !RADAR). This restriction is in place because
* RADAR detection is not supported by the 4965 driver, but is a
* requirement for establishing a new network for legal operation on channels
* requiring RADAR detection or restricting ACTIVE scanning.
*
* NOTE: "WIDE" flag does not indicate anything about "HT40" 40 MHz channels.
* It only indicates that 20 MHz channel use is supported; HT40 channel
* usage is indicated by a separate set of regulatory flags for each
* HT40 channel pair.
*
* NOTE: Using a channel inappropriately will result in a uCode error!
*/
#define IWL_NUM_TX_CALIB_GROUPS 5
enum {
EEPROM_CHANNEL_VALID = (1 << 0), /* usable for this SKU/geo */
EEPROM_CHANNEL_IBSS = (1 << 1), /* usable as an IBSS channel */
/* Bit 2 Reserved */
EEPROM_CHANNEL_ACTIVE = (1 << 3), /* active scanning allowed */
EEPROM_CHANNEL_RADAR = (1 << 4), /* radar detection required */
EEPROM_CHANNEL_WIDE = (1 << 5), /* 20 MHz channel okay */
/* Bit 6 Reserved (was Narrow Channel) */
EEPROM_CHANNEL_DFS = (1 << 7), /* dynamic freq selection candidate */
};
/* SKU Capabilities */
/* 3945 only */
#define EEPROM_SKU_CAP_SW_RF_KILL_ENABLE (1 << 0)
#define EEPROM_SKU_CAP_HW_RF_KILL_ENABLE (1 << 1)
/* 5000 and up */
#define EEPROM_SKU_CAP_BAND_POS (4)
#define EEPROM_SKU_CAP_BAND_SELECTION \
(3 << EEPROM_SKU_CAP_BAND_POS)
#define EEPROM_SKU_CAP_11N_ENABLE (1 << 6)
#define EEPROM_SKU_CAP_AMT_ENABLE (1 << 7)
#define EEPROM_SKU_CAP_IPAN_ENABLE (1 << 8)
/* *regulatory* channel data format in eeprom, one for each channel.
* There are separate entries for HT40 (40 MHz) vs. normal (20 MHz) channels. */
struct iwl_eeprom_channel {
u8 flags; /* EEPROM_CHANNEL_* flags copied from EEPROM */
s8 max_power_avg; /* max power (dBm) on this chnl, limit 31 */
} __packed;
enum iwl_eeprom_enhanced_txpwr_flags {
IWL_EEPROM_ENH_TXP_FL_VALID = BIT(0),
IWL_EEPROM_ENH_TXP_FL_BAND_52G = BIT(1),
IWL_EEPROM_ENH_TXP_FL_OFDM = BIT(2),
IWL_EEPROM_ENH_TXP_FL_40MHZ = BIT(3),
IWL_EEPROM_ENH_TXP_FL_HT_AP = BIT(4),
IWL_EEPROM_ENH_TXP_FL_RES1 = BIT(5),
IWL_EEPROM_ENH_TXP_FL_RES2 = BIT(6),
IWL_EEPROM_ENH_TXP_FL_COMMON_TYPE = BIT(7),
};
/**
* iwl_eeprom_enhanced_txpwr structure
* This structure presents the enhanced regulatory tx power limit layout
* in eeprom image
* Enhanced regulatory tx power portion of eeprom image can be broken down
* into individual structures; each one is 8 bytes in size and contain the
* following information
* @flags: entry flags
* @channel: channel number
* @chain_a_max_pwr: chain a max power in 1/2 dBm
* @chain_b_max_pwr: chain b max power in 1/2 dBm
* @chain_c_max_pwr: chain c max power in 1/2 dBm
* @delta_20_in_40: 20-in-40 deltas (hi/lo)
* @mimo2_max_pwr: mimo2 max power in 1/2 dBm
* @mimo3_max_pwr: mimo3 max power in 1/2 dBm
*
*/
struct iwl_eeprom_enhanced_txpwr {
u8 flags;
u8 channel;
s8 chain_a_max;
s8 chain_b_max;
s8 chain_c_max;
u8 delta_20_in_40;
s8 mimo2_max;
s8 mimo3_max;
} __packed;
/* 3945 Specific */
#define EEPROM_3945_EEPROM_VERSION (0x2f)
/* 4965 has two radio transmitters (and 3 radio receivers) */
#define EEPROM_TX_POWER_TX_CHAINS (2)
/* 4965 has room for up to 8 sets of txpower calibration data */
#define EEPROM_TX_POWER_BANDS (8)
/* 4965 factory calibration measures txpower gain settings for
* each of 3 target output levels */
#define EEPROM_TX_POWER_MEASUREMENTS (3)
/* 4965 Specific */
/* 4965 driver does not work with txpower calibration version < 5 */
#define EEPROM_4965_TX_POWER_VERSION (5)
#define EEPROM_4965_EEPROM_VERSION (0x2f)
#define EEPROM_4965_CALIB_VERSION_OFFSET (2*0xB6) /* 2 bytes */
#define EEPROM_4965_CALIB_TXPOWER_OFFSET (2*0xE8) /* 48 bytes */
#define EEPROM_4965_BOARD_REVISION (2*0x4F) /* 2 bytes */
#define EEPROM_4965_BOARD_PBA (2*0x56+1) /* 9 bytes */
/* 5000 Specific */
#define EEPROM_5000_TX_POWER_VERSION (4)
#define EEPROM_5000_EEPROM_VERSION (0x11A)
/* 5000 and up calibration */
#define EEPROM_CALIB_ALL (INDIRECT_ADDRESS | INDIRECT_CALIBRATION)
#define EEPROM_XTAL ((2*0x128) | EEPROM_CALIB_ALL)
/* 5000 temperature */
#define EEPROM_5000_TEMPERATURE ((2*0x12A) | EEPROM_CALIB_ALL)
/* agn links */
#define EEPROM_LINK_HOST (2*0x64)
#define EEPROM_LINK_GENERAL (2*0x65)
#define EEPROM_LINK_REGULATORY (2*0x66)
#define EEPROM_LINK_CALIBRATION (2*0x67)
#define EEPROM_LINK_PROCESS_ADJST (2*0x68)
#define EEPROM_LINK_OTHERS (2*0x69)
#define EEPROM_LINK_TXP_LIMIT (2*0x6a)
#define EEPROM_LINK_TXP_LIMIT_SIZE (2*0x6b)
/* agn regulatory - indirect access */
#define EEPROM_REG_BAND_1_CHANNELS ((0x08)\
| INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 28 bytes */
#define EEPROM_REG_BAND_2_CHANNELS ((0x26)\
| INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 26 bytes */
#define EEPROM_REG_BAND_3_CHANNELS ((0x42)\
| INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 24 bytes */
#define EEPROM_REG_BAND_4_CHANNELS ((0x5C)\
| INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 22 bytes */
#define EEPROM_REG_BAND_5_CHANNELS ((0x74)\
| INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 12 bytes */
#define EEPROM_REG_BAND_24_HT40_CHANNELS ((0x82)\
| INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 14 bytes */
#define EEPROM_REG_BAND_52_HT40_CHANNELS ((0x92)\
| INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 22 bytes */
/* 6000 regulatory - indirect access */
#define EEPROM_6000_REG_BAND_24_HT40_CHANNELS ((0x80)\
| INDIRECT_ADDRESS | INDIRECT_REGULATORY) /* 14 bytes */
/* 5050 Specific */
#define EEPROM_5050_TX_POWER_VERSION (4)
#define EEPROM_5050_EEPROM_VERSION (0x21E)
/* 1000 Specific */
#define EEPROM_1000_TX_POWER_VERSION (4)
#define EEPROM_1000_EEPROM_VERSION (0x15C)
/* 6x00 Specific */
#define EEPROM_6000_TX_POWER_VERSION (4)
#define EEPROM_6000_EEPROM_VERSION (0x434)
/* 6x50 Specific */
#define EEPROM_6050_TX_POWER_VERSION (4)
#define EEPROM_6050_EEPROM_VERSION (0x532)
/* 6150 Specific */
#define EEPROM_6150_TX_POWER_VERSION (6)
#define EEPROM_6150_EEPROM_VERSION (0x553)
/* 6x05 Specific */
#define EEPROM_6005_TX_POWER_VERSION (6)
#define EEPROM_6005_EEPROM_VERSION (0x709)
/* 6x30 Specific */
#define EEPROM_6030_TX_POWER_VERSION (6)
#define EEPROM_6030_EEPROM_VERSION (0x709)
/* 2x00 Specific */
#define EEPROM_2000_TX_POWER_VERSION (6)
#define EEPROM_2000_EEPROM_VERSION (0x805)
/* 6x35 Specific */
#define EEPROM_6035_TX_POWER_VERSION (6)
#define EEPROM_6035_EEPROM_VERSION (0x753)
/* OTP */
/* lower blocks contain EEPROM image and calibration data */
#define OTP_LOW_IMAGE_SIZE (2 * 512 * sizeof(u16)) /* 2 KB */
/* high blocks contain PAPD data */
#define OTP_HIGH_IMAGE_SIZE_6x00 (6 * 512 * sizeof(u16)) /* 6 KB */
#define OTP_HIGH_IMAGE_SIZE_1000 (0x200 * sizeof(u16)) /* 1024 bytes */
#define OTP_MAX_LL_ITEMS_1000 (3) /* OTP blocks for 1000 */
#define OTP_MAX_LL_ITEMS_6x00 (4) /* OTP blocks for 6x00 */
#define OTP_MAX_LL_ITEMS_6x50 (7) /* OTP blocks for 6x50 */
#define OTP_MAX_LL_ITEMS_2x00 (4) /* OTP blocks for 2x00 */
/* 2.4 GHz */
extern const u8 iwl_eeprom_band_1[14];
/*
* factory calibration data for one txpower level, on one channel,
* measured on one of the 2 tx chains (radio transmitter and associated
* antenna). EEPROM contains:
*
* 1) Temperature (degrees Celsius) of device when measurement was made.
*
* 2) Gain table index used to achieve the target measurement power.
* This refers to the "well-known" gain tables (see iwl-4965-hw.h).
*
* 3) Actual measured output power, in half-dBm ("34" = 17 dBm).
*
* 4) RF power amplifier detector level measurement (not used).
*/
struct iwl_eeprom_calib_measure {
u8 temperature; /* Device temperature (Celsius) */
u8 gain_idx; /* Index into gain table */
u8 actual_pow; /* Measured RF output power, half-dBm */
s8 pa_det; /* Power amp detector level (not used) */
} __packed;
/*
* measurement set for one channel. EEPROM contains:
*
* 1) Channel number measured
*
* 2) Measurements for each of 3 power levels for each of 2 radio transmitters
* (a.k.a. "tx chains") (6 measurements altogether)
*/
struct iwl_eeprom_calib_ch_info {
u8 ch_num;
struct iwl_eeprom_calib_measure
measurements[EEPROM_TX_POWER_TX_CHAINS]
[EEPROM_TX_POWER_MEASUREMENTS];
} __packed;
/*
* txpower subband info.
*
* For each frequency subband, EEPROM contains the following:
*
* 1) First and last channels within range of the subband. "0" values
* indicate that this sample set is not being used.
*
* 2) Sample measurement sets for 2 channels close to the range endpoints.
*/
struct iwl_eeprom_calib_subband_info {
u8 ch_from; /* channel number of lowest channel in subband */
u8 ch_to; /* channel number of highest channel in subband */
struct iwl_eeprom_calib_ch_info ch1;
struct iwl_eeprom_calib_ch_info ch2;
} __packed;
/*
* txpower calibration info. EEPROM contains:
*
* 1) Factory-measured saturation power levels (maximum levels at which
* tx power amplifier can output a signal without too much distortion).
* There is one level for 2.4 GHz band and one for 5 GHz band. These
* values apply to all channels within each of the bands.
*
* 2) Factory-measured power supply voltage level. This is assumed to be
* constant (i.e. same value applies to all channels/bands) while the
* factory measurements are being made.
*
* 3) Up to 8 sets of factory-measured txpower calibration values.
* These are for different frequency ranges, since txpower gain
* characteristics of the analog radio circuitry vary with frequency.
*
* Not all sets need to be filled with data;
* struct iwl_eeprom_calib_subband_info contains range of channels
* (0 if unused) for each set of data.
*/
struct iwl_eeprom_calib_info {
u8 saturation_power24; /* half-dBm (e.g. "34" = 17 dBm) */
u8 saturation_power52; /* half-dBm */
__le16 voltage; /* signed */
struct iwl_eeprom_calib_subband_info
band_info[EEPROM_TX_POWER_BANDS];
} __packed;
#define ADDRESS_MSK 0x0000FFFF
#define INDIRECT_TYPE_MSK 0x000F0000
#define INDIRECT_HOST 0x00010000
#define INDIRECT_GENERAL 0x00020000
#define INDIRECT_REGULATORY 0x00030000
#define INDIRECT_CALIBRATION 0x00040000
#define INDIRECT_PROCESS_ADJST 0x00050000
#define INDIRECT_OTHERS 0x00060000
#define INDIRECT_TXP_LIMIT 0x00070000
#define INDIRECT_TXP_LIMIT_SIZE 0x00080000
#define INDIRECT_ADDRESS 0x00100000
/* General */
#define EEPROM_DEVICE_ID (2*0x08) /* 2 bytes */
#define EEPROM_MAC_ADDRESS (2*0x15) /* 6 bytes */
#define EEPROM_BOARD_REVISION (2*0x35) /* 2 bytes */
#define EEPROM_BOARD_PBA_NUMBER (2*0x3B+1) /* 9 bytes */
#define EEPROM_VERSION (2*0x44) /* 2 bytes */
#define EEPROM_SKU_CAP (2*0x45) /* 2 bytes */
#define EEPROM_OEM_MODE (2*0x46) /* 2 bytes */
#define EEPROM_WOWLAN_MODE (2*0x47) /* 2 bytes */
#define EEPROM_RADIO_CONFIG (2*0x48) /* 2 bytes */
#define EEPROM_NUM_MAC_ADDRESS (2*0x4C) /* 2 bytes */
/* The following masks are to be applied on EEPROM_RADIO_CONFIG */
#define EEPROM_RF_CFG_TYPE_MSK(x) (x & 0x3) /* bits 0-1 */
#define EEPROM_RF_CFG_STEP_MSK(x) ((x >> 2) & 0x3) /* bits 2-3 */
#define EEPROM_RF_CFG_DASH_MSK(x) ((x >> 4) & 0x3) /* bits 4-5 */
#define EEPROM_RF_CFG_PNUM_MSK(x) ((x >> 6) & 0x3) /* bits 6-7 */
#define EEPROM_RF_CFG_TX_ANT_MSK(x) ((x >> 8) & 0xF) /* bits 8-11 */
#define EEPROM_RF_CFG_RX_ANT_MSK(x) ((x >> 12) & 0xF) /* bits 12-15 */
#define EEPROM_3945_RF_CFG_TYPE_MAX 0x0
#define EEPROM_4965_RF_CFG_TYPE_MAX 0x1
/* Radio Config for 5000 and up */
#define EEPROM_RF_CONFIG_TYPE_R3x3 0x0
#define EEPROM_RF_CONFIG_TYPE_R2x2 0x1
#define EEPROM_RF_CONFIG_TYPE_R1x2 0x2
#define EEPROM_RF_CONFIG_TYPE_MAX 0x3
/*
* Per-channel regulatory data.
*
* Each channel that *might* be supported by iwl has a fixed location
* in EEPROM containing EEPROM_CHANNEL_* usage flags (LSB) and max regulatory
* txpower (MSB).
*
* Entries immediately below are for 20 MHz channel width. HT40 (40 MHz)
* channels (only for 4965, not supported by 3945) appear later in the EEPROM.
*
* 2.4 GHz channels 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
*/
#define EEPROM_REGULATORY_SKU_ID (2*0x60) /* 4 bytes */
#define EEPROM_REGULATORY_BAND_1 (2*0x62) /* 2 bytes */
#define EEPROM_REGULATORY_BAND_1_CHANNELS (2*0x63) /* 28 bytes */
/*
* 4.9 GHz channels 183, 184, 185, 187, 188, 189, 192, 196,
* 5.0 GHz channels 7, 8, 11, 12, 16
* (4915-5080MHz) (none of these is ever supported)
*/
#define EEPROM_REGULATORY_BAND_2 (2*0x71) /* 2 bytes */
#define EEPROM_REGULATORY_BAND_2_CHANNELS (2*0x72) /* 26 bytes */
/*
* 5.2 GHz channels 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64
* (5170-5320MHz)
*/
#define EEPROM_REGULATORY_BAND_3 (2*0x7F) /* 2 bytes */
#define EEPROM_REGULATORY_BAND_3_CHANNELS (2*0x80) /* 24 bytes */
/*
* 5.5 GHz channels 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140
* (5500-5700MHz)
*/
#define EEPROM_REGULATORY_BAND_4 (2*0x8C) /* 2 bytes */
#define EEPROM_REGULATORY_BAND_4_CHANNELS (2*0x8D) /* 22 bytes */
/*
* 5.7 GHz channels 145, 149, 153, 157, 161, 165
* (5725-5825MHz)
*/
#define EEPROM_REGULATORY_BAND_5 (2*0x98) /* 2 bytes */
#define EEPROM_REGULATORY_BAND_5_CHANNELS (2*0x99) /* 12 bytes */
/*
* 2.4 GHz HT40 channels 1 (5), 2 (6), 3 (7), 4 (8), 5 (9), 6 (10), 7 (11)
*
* The channel listed is the center of the lower 20 MHz half of the channel.
* The overall center frequency is actually 2 channels (10 MHz) above that,
* and the upper half of each HT40 channel is centered 4 channels (20 MHz) away
* from the lower half; e.g. the upper half of HT40 channel 1 is channel 5,
* and the overall HT40 channel width centers on channel 3.
*
* NOTE: The RXON command uses 20 MHz channel numbers to specify the
* control channel to which to tune. RXON also specifies whether the
* control channel is the upper or lower half of a HT40 channel.
*
* NOTE: 4965 does not support HT40 channels on 2.4 GHz.
*/
#define EEPROM_4965_REGULATORY_BAND_24_HT40_CHANNELS (2*0xA0) /* 14 bytes */
/*
* 5.2 GHz HT40 channels 36 (40), 44 (48), 52 (56), 60 (64),
* 100 (104), 108 (112), 116 (120), 124 (128), 132 (136), 149 (153), 157 (161)
*/
#define EEPROM_4965_REGULATORY_BAND_52_HT40_CHANNELS (2*0xA8) /* 22 bytes */
#define EEPROM_REGULATORY_BAND_NO_HT40 (0)
struct iwl_eeprom_ops {
const u32 regulatory_bands[7];
int (*acquire_semaphore) (struct iwl_priv *priv);
void (*release_semaphore) (struct iwl_priv *priv);
u16 (*calib_version) (struct iwl_priv *priv);
const u8* (*query_addr) (const struct iwl_priv *priv, size_t offset);
void (*update_enhanced_txpower) (struct iwl_priv *priv);
};
int iwl_eeprom_init(struct iwl_priv *priv);
void iwl_eeprom_free(struct iwl_priv *priv);
int iwl_eeprom_check_version(struct iwl_priv *priv);
int iwl_eeprom_check_sku(struct iwl_priv *priv);
const u8 *iwl_eeprom_query_addr(const struct iwl_priv *priv, size_t offset);
int iwlcore_eeprom_verify_signature(struct iwl_priv *priv);
u16 iwl_eeprom_query16(const struct iwl_priv *priv, size_t offset);
const u8 *iwlcore_eeprom_query_addr(const struct iwl_priv *priv, size_t offset);
int iwl_init_channel_map(struct iwl_priv *priv);
void iwl_free_channel_map(struct iwl_priv *priv);
const struct iwl_channel_info *iwl_get_channel_info(
const struct iwl_priv *priv,
enum ieee80211_band band, u16 channel);
#endif /* __iwl_eeprom_h__ */
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