iwlwifi: Moving EEPROM handling in iwlcore module

/******************************************************************************

 *

 * 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 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:

 * Tomas Winkler <tomas.winkler@intel.com>

 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

 *

 * BSD LICENSE

 *

 * Copyright(c) 2005 - 2008 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,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *****************************************************************************/

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/version.h>

#include <linux/init.h>

#include <net/mac80211.h>

#include "iwl-4965-commands.h"

#include "iwl-4965.h"

#include "iwl-core.h"

#include "iwl-4965-debug.h"

#include "iwl-eeprom.h"

#include "iwl-4965-io.h"

/******************************************************************************

 *

 * EEPROM related functions

 *

******************************************************************************/

int iwlcore_eeprom_verify_signature(struct iwl4965_priv *priv)

{

	u32 gp = iwl4965_read32(priv, CSR_EEPROM_GP);

	if ((gp & CSR_EEPROM_GP_VALID_MSK) == CSR_EEPROM_GP_BAD_SIGNATURE) {

		IWL_ERROR("EEPROM not found, EEPROM_GP=0x%08x", gp);

		return -ENOENT;

	}

	return 0;

}

EXPORT_SYMBOL(iwlcore_eeprom_verify_signature);

/*

 * The device's EEPROM semaphore prevents conflicts between driver and uCode

 * when accessing the EEPROM; each access is a series of pulses to/from the

 * EEPROM chip, not a single event, so even reads could conflict if they

 * weren't arbitrated by the semaphore.

 */

int iwlcore_eeprom_acquire_semaphore(struct iwl4965_priv *priv)

{

	u16 count;

	int ret;

	for (count = 0; count < EEPROM_SEM_RETRY_LIMIT; count++) {

		/* Request semaphore */

		iwl4965_set_bit(priv, CSR_HW_IF_CONFIG_REG,

			CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM);

		/* See if we got it */

		ret = iwl4965_poll_bit(priv, CSR_HW_IF_CONFIG_REG,

					CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM,

					CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM,

					EEPROM_SEM_TIMEOUT);

		if (ret >= 0) {

			IWL_DEBUG_IO("Acquired semaphore after %d tries.\n",

				count+1);

			return ret;

		}

	}

	return ret;

}

EXPORT_SYMBOL(iwlcore_eeprom_acquire_semaphore);

void iwlcore_eeprom_release_semaphore(struct iwl4965_priv *priv)

{

	iwl4965_clear_bit(priv, CSR_HW_IF_CONFIG_REG,

		CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM);

}

EXPORT_SYMBOL(iwlcore_eeprom_release_semaphore);

/**

 * iwl_eeprom_init - read EEPROM contents

 *

 * Load the EEPROM contents from adapter into priv->eeprom

 *

 * NOTE:  This routine uses the non-debug IO access functions.

 */

int iwl_eeprom_init(struct iwl4965_priv *priv)

{

	u16 *e = (u16 *)&priv->eeprom;

	u32 gp = iwl4965_read32(priv, CSR_EEPROM_GP);

	u32 r;

	int sz = sizeof(priv->eeprom);

	int ret;

	int i;

	u16 addr;

	/* The EEPROM structure has several padding buffers within it

	 * and when adding new EEPROM maps is subject to programmer errors

	 * which may be very difficult to identify without explicitly

	 * checking the resulting size of the eeprom map. */

	BUILD_BUG_ON(sizeof(priv->eeprom) != IWL_EEPROM_IMAGE_SIZE);

	if ((gp & CSR_EEPROM_GP_VALID_MSK) == CSR_EEPROM_GP_BAD_SIGNATURE) {

		IWL_ERROR("EEPROM not found, EEPROM_GP=0x%08x", gp);

		return -ENOENT;

	}

	/* Make sure driver (instead of uCode) is allowed to read EEPROM */

	ret = priv->cfg->ops->lib->eeprom_ops.acquire_semaphore(priv);

	if (ret < 0) {

		IWL_ERROR("Failed to acquire EEPROM semaphore.\n");

		return -ENOENT;

	}

	/* eeprom is an array of 16bit values */

	for (addr = 0; addr < sz; addr += sizeof(u16)) {

		_iwl4965_write32(priv, CSR_EEPROM_REG, addr << 1);

		_iwl4965_clear_bit(priv, CSR_EEPROM_REG, CSR_EEPROM_REG_BIT_CMD);

		for (i = 0; i < IWL_EEPROM_ACCESS_TIMEOUT;

					i += IWL_EEPROM_ACCESS_DELAY) {

			r = _iwl4965_read_direct32(priv, CSR_EEPROM_REG);

			if (r & CSR_EEPROM_REG_READ_VALID_MSK)

				break;

			udelay(IWL_EEPROM_ACCESS_DELAY);

		}

		if (!(r & CSR_EEPROM_REG_READ_VALID_MSK)) {

			IWL_ERROR("Time out reading EEPROM[%d]", addr);

			ret = -ETIMEDOUT;

			goto done;

		}

		e[addr / 2] = le16_to_cpu((__force __le16)(r >> 16));

	}

	ret = 0;

done:

	priv->cfg->ops->lib->eeprom_ops.release_semaphore(priv);

	return ret;

}

EXPORT_SYMBOL(iwl_eeprom_init);

void iwl_eeprom_get_mac(const struct iwl4965_priv *priv, u8 *mac)

{

	memcpy(mac, priv->eeprom.mac_address, 6);

}

EXPORT_SYMBOL(iwl_eeprom_get_mac);

/******************************************************************************

 *

 * 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 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:

 * Tomas Winkler <tomas.winkler@intel.com>

 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

 *

 * BSD LICENSE

 *

 * Copyright(c) 2005 - 2008 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,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (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__

struct iwl4965_priv;

/*

 * EEPROM access time values:

 *

 * Driver initiates EEPROM read by writing byte address << 1 to CSR_EEPROM_REG,

 *   then clearing (with subsequent read/modify/write) CSR_EEPROM_REG bit

 *   CSR_EEPROM_REG_BIT_CMD (0x2).

 * 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_ACCESS_DELAY		10   /* uSec */

#define IWL_EEPROM_SEM_TIMEOUT 		10   /* milliseconds */

#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 "FAT" 40 MHz channels.

 *        It only indicates that 20 MHz channel use is supported; FAT channel

 *        usage is indicated by a separate set of regulatory flags for each

 *        FAT 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 */

	EEPROM_CHANNEL_NARROW = (1 << 6),	/* 10 MHz channel (not used) */

	EEPROM_CHANNEL_DFS = (1 << 7),	/* dynamic freq selection candidate */

};

/* SKU Capabilities */

#define EEPROM_SKU_CAP_SW_RF_KILL_ENABLE                (1 << 0)

#define EEPROM_SKU_CAP_HW_RF_KILL_ENABLE                (1 << 1)

/* *regulatory* channel data format in eeprom, one for each channel.

 * There are separate entries for FAT (40 MHz) vs. normal (20 MHz) channels. */

struct iwl4965_eeprom_channel {

	u8 flags;		/* EEPROM_CHANNEL_* flags copied from EEPROM */

	s8 max_power_avg;	/* max power (dBm) on this chnl, limit 31 */

} __attribute__ ((packed));

/* 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)

#define EEPROM_4965_TX_POWER_VERSION        (2)

/* 4965 driver does not work with txpower calibration version < 5.

 * Look for this in calib_version member of struct iwl4965_eeprom. */

#define EEPROM_TX_POWER_VERSION_NEW    (5)

/*

 * 4965 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 iwl4965_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) */

} __attribute__ ((packed));

/*

 * 4965 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 iwl4965_eeprom_calib_ch_info {

	u8 ch_num;

	struct iwl4965_eeprom_calib_measure

		measurements[EEPROM_TX_POWER_TX_CHAINS]

			[EEPROM_TX_POWER_MEASUREMENTS];

} __attribute__ ((packed));

/*

 * 4965 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 iwl4965_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 iwl4965_eeprom_calib_ch_info ch1;

	struct iwl4965_eeprom_calib_ch_info ch2;

} __attribute__ ((packed));

/*

 * 4965 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 iwl4965_eeprom_calib_subband_info contains range of channels

 *     (0 if unused) for each set of data.

 */

struct iwl4965_eeprom_calib_info {

	u8 saturation_power24;	/* half-dBm (e.g. "34" = 17 dBm) */

	u8 saturation_power52;	/* half-dBm */

	s16 voltage;		/* signed */

	struct iwl4965_eeprom_calib_subband_info

		band_info[EEPROM_TX_POWER_BANDS];

} __attribute__ ((packed));

/*

 * 4965 EEPROM map

 */

struct iwl4965_eeprom {

	u8 reserved0[16];

#define EEPROM_DEVICE_ID                    (2*0x08)	/* 2 bytes */

	u16 device_id;		/* abs.ofs: 16 */

	u8 reserved1[2];

#define EEPROM_PMC                          (2*0x0A)	/* 2 bytes */

	u16 pmc;		/* abs.ofs: 20 */

	u8 reserved2[20];

#define EEPROM_MAC_ADDRESS                  (2*0x15)	/* 6  bytes */

	u8 mac_address[6];	/* abs.ofs: 42 */

	u8 reserved3[58];

#define EEPROM_BOARD_REVISION               (2*0x35)	/* 2  bytes */

	u16 board_revision;	/* abs.ofs: 106 */

	u8 reserved4[11];

#define EEPROM_BOARD_PBA_NUMBER             (2*0x3B+1)	/* 9  bytes */

	u8 board_pba_number[9];	/* abs.ofs: 119 */

	u8 reserved5[8];

#define EEPROM_VERSION                      (2*0x44)	/* 2  bytes */

	u16 version;		/* abs.ofs: 136 */

#define EEPROM_SKU_CAP                      (2*0x45)	/* 1  bytes */

	u8 sku_cap;		/* abs.ofs: 138 */

#define EEPROM_LEDS_MODE                    (2*0x45+1)	/* 1  bytes */

	u8 leds_mode;		/* abs.ofs: 139 */

#define EEPROM_OEM_MODE                     (2*0x46)	/* 2  bytes */

	u16 oem_mode;

#define EEPROM_WOWLAN_MODE                  (2*0x47)	/* 2  bytes */

	u16 wowlan_mode;	/* abs.ofs: 142 */

#define EEPROM_LEDS_TIME_INTERVAL           (2*0x48)	/* 2  bytes */

	u16 leds_time_interval;	/* abs.ofs: 144 */

#define EEPROM_LEDS_OFF_TIME                (2*0x49)	/* 1  bytes */

	u8 leds_off_time;	/* abs.ofs: 146 */

#define EEPROM_LEDS_ON_TIME                 (2*0x49+1)	/* 1  bytes */

	u8 leds_on_time;	/* abs.ofs: 147 */

#define EEPROM_ALMGOR_M_VERSION             (2*0x4A)	/* 1  bytes */

	u8 almgor_m_version;	/* abs.ofs: 148 */

#define EEPROM_ANTENNA_SWITCH_TYPE          (2*0x4A+1)	/* 1  bytes */

	u8 antenna_switch_type;	/* abs.ofs: 149 */

	u8 reserved6[8];

#define EEPROM_4965_BOARD_REVISION          (2*0x4F)	/* 2 bytes */

	u16 board_revision_4965;	/* abs.ofs: 158 */

	u8 reserved7[13];

#define EEPROM_4965_BOARD_PBA               (2*0x56+1)	/* 9 bytes */

	u8 board_pba_number_4965[9];	/* abs.ofs: 173 */

	u8 reserved8[10];

#define EEPROM_REGULATORY_SKU_ID            (2*0x60)	/* 4  bytes */

	u8 sku_id[4];		/* abs.ofs: 192 */

/*

 * Per-channel regulatory data.

 *

 * Each channel that *might* be supported by 3945 or 4965 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.  FAT (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_BAND_1            (2*0x62)	/* 2  bytes */

	u16 band_1_count;	/* abs.ofs: 196 */

#define EEPROM_REGULATORY_BAND_1_CHANNELS   (2*0x63)	/* 28 bytes */

	struct iwl4965_eeprom_channel band_1_channels[14]; /* abs.ofs: 196 */

/*

 * 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 */

	u16 band_2_count;	/* abs.ofs: 226 */

#define EEPROM_REGULATORY_BAND_2_CHANNELS   (2*0x72)	/* 26 bytes */

	struct iwl4965_eeprom_channel band_2_channels[13]; /* abs.ofs: 228 */

/*

 * 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 */

	u16 band_3_count;	/* abs.ofs: 254 */

#define EEPROM_REGULATORY_BAND_3_CHANNELS   (2*0x80)	/* 24 bytes */

	struct iwl4965_eeprom_channel band_3_channels[12]; /* abs.ofs: 256 */

/*

 * 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 */

	u16 band_4_count;	/* abs.ofs: 280 */

#define EEPROM_REGULATORY_BAND_4_CHANNELS   (2*0x8D)	/* 22 bytes */

	struct iwl4965_eeprom_channel band_4_channels[11]; /* abs.ofs: 282 */

/*

 * 5.7 GHz channels 145, 149, 153, 157, 161, 165

 * (5725-5825MHz)

 */

#define EEPROM_REGULATORY_BAND_5            (2*0x98)	/* 2  bytes */

	u16 band_5_count;	/* abs.ofs: 304 */

#define EEPROM_REGULATORY_BAND_5_CHANNELS   (2*0x99)	/* 12 bytes */

	struct iwl4965_eeprom_channel band_5_channels[6]; /* abs.ofs: 306 */

	u8 reserved10[2];

/*

 * 2.4 GHz FAT 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 FAT channel is centered 4 channels (20 MHz) away

 * from the lower half; e.g. the upper half of FAT channel 1 is channel 5,

 * and the overall FAT 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 FAT channel.

 *

 * NOTE:  4965 does not support FAT channels on 2.4 GHz.

 */

#define EEPROM_REGULATORY_BAND_24_FAT_CHANNELS (2*0xA0)	/* 14 bytes */

	struct iwl4965_eeprom_channel band_24_channels[7]; /* abs.ofs: 320 */

	u8 reserved11[2];

/*

 * 5.2 GHz FAT 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_REGULATORY_BAND_52_FAT_CHANNELS (2*0xA8)	/* 22 bytes */

	struct iwl4965_eeprom_channel band_52_channels[11]; /* abs.ofs: 336 */

	u8 reserved12[6];

/*

 * 4965 driver requires txpower calibration format version 5 or greater.

 * Driver does not work with txpower calibration version < 5.

 * This value is simply a 16-bit number, no major/minor versions here.

 */

#define EEPROM_CALIB_VERSION_OFFSET            (2*0xB6)	/* 2 bytes */

	u16 calib_version;	/* abs.ofs: 364 */

	u8 reserved13[2];

	u8 reserved14[96];	/* abs.ofs: 368 */

/*

 * 4965 Txpower calibration data.

 */

#define EEPROM_IWL_CALIB_TXPOWER_OFFSET        (2*0xE8)	/* 48  bytes */

	struct iwl4965_eeprom_calib_info calib_info;	/* abs.ofs: 464 */

	u8 reserved16[140];	/* fill out to full 1024 byte block */

} __attribute__ ((packed));

#define IWL_EEPROM_IMAGE_SIZE 1024

/* End of EEPROM */

struct iwl_eeprom_ops {

	int (*verify_signature) (struct iwl4965_priv *priv);

	int (*acquire_semaphore) (struct iwl4965_priv *priv);

	void (*release_semaphore) (struct iwl4965_priv *priv);

};

void iwl_eeprom_get_mac(const struct iwl4965_priv *priv, u8 *mac);

int iwl_eeprom_init(struct iwl4965_priv *priv);

int iwlcore_eeprom_verify_signature(struct iwl4965_priv *priv);

int iwlcore_eeprom_acquire_semaphore(struct iwl4965_priv *priv);

void iwlcore_eeprom_release_semaphore(struct iwl4965_priv *priv);

#endif  /* __iwl_eeprom_h__ */