8622e7058a
iwl4965_get_channel_info was moved to iwlcore module 4965 needs to be stripped off Signed-off-by: Assaf Krauss <assaf.krauss@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
375 lines
14 KiB
C
375 lines
14 KiB
C
/******************************************************************************
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*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2008 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
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* USA
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*
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* The full GNU General Public License is included in this distribution
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* in the file called LICENSE.GPL.
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*
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* Contact Information:
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* Tomas Winkler <tomas.winkler@intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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* BSD LICENSE
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*
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* Copyright(c) 2005 - 2008 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************/
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#ifndef __iwl_eeprom_h__
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#define __iwl_eeprom_h__
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struct iwl_priv;
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/*
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* EEPROM access time values:
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*
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* Driver initiates EEPROM read by writing byte address << 1 to CSR_EEPROM_REG,
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* then clearing (with subsequent read/modify/write) CSR_EEPROM_REG bit
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* CSR_EEPROM_REG_BIT_CMD (0x2).
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* Driver then polls CSR_EEPROM_REG for CSR_EEPROM_REG_READ_VALID_MSK (0x1).
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* When polling, wait 10 uSec between polling loops, up to a maximum 5000 uSec.
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* Driver reads 16-bit value from bits 31-16 of CSR_EEPROM_REG.
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*/
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#define IWL_EEPROM_ACCESS_TIMEOUT 5000 /* uSec */
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#define IWL_EEPROM_ACCESS_DELAY 10 /* uSec */
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#define IWL_EEPROM_SEM_TIMEOUT 10 /* milliseconds */
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#define IWL_EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
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/*
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* Regulatory channel usage flags in EEPROM struct iwl4965_eeprom_channel.flags.
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*
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* IBSS and/or AP operation is allowed *only* on those channels with
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* (VALID && IBSS && ACTIVE && !RADAR). This restriction is in place because
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* RADAR detection is not supported by the 4965 driver, but is a
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* requirement for establishing a new network for legal operation on channels
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* requiring RADAR detection or restricting ACTIVE scanning.
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*
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* NOTE: "WIDE" flag does not indicate anything about "FAT" 40 MHz channels.
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* It only indicates that 20 MHz channel use is supported; FAT channel
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* usage is indicated by a separate set of regulatory flags for each
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* FAT channel pair.
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*
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* NOTE: Using a channel inappropriately will result in a uCode error!
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*/
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#define IWL_NUM_TX_CALIB_GROUPS 5
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enum {
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EEPROM_CHANNEL_VALID = (1 << 0), /* usable for this SKU/geo */
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EEPROM_CHANNEL_IBSS = (1 << 1), /* usable as an IBSS channel */
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/* Bit 2 Reserved */
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EEPROM_CHANNEL_ACTIVE = (1 << 3), /* active scanning allowed */
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EEPROM_CHANNEL_RADAR = (1 << 4), /* radar detection required */
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EEPROM_CHANNEL_WIDE = (1 << 5), /* 20 MHz channel okay */
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EEPROM_CHANNEL_NARROW = (1 << 6), /* 10 MHz channel (not used) */
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EEPROM_CHANNEL_DFS = (1 << 7), /* dynamic freq selection candidate */
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};
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/* SKU Capabilities */
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#define EEPROM_SKU_CAP_SW_RF_KILL_ENABLE (1 << 0)
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#define EEPROM_SKU_CAP_HW_RF_KILL_ENABLE (1 << 1)
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/* *regulatory* channel data format in eeprom, one for each channel.
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* There are separate entries for FAT (40 MHz) vs. normal (20 MHz) channels. */
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struct iwl4965_eeprom_channel {
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u8 flags; /* EEPROM_CHANNEL_* flags copied from EEPROM */
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s8 max_power_avg; /* max power (dBm) on this chnl, limit 31 */
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} __attribute__ ((packed));
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/* 4965 has two radio transmitters (and 3 radio receivers) */
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#define EEPROM_TX_POWER_TX_CHAINS (2)
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/* 4965 has room for up to 8 sets of txpower calibration data */
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#define EEPROM_TX_POWER_BANDS (8)
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/* 4965 factory calibration measures txpower gain settings for
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* each of 3 target output levels */
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#define EEPROM_TX_POWER_MEASUREMENTS (3)
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#define EEPROM_4965_TX_POWER_VERSION (2)
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/* 4965 driver does not work with txpower calibration version < 5.
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* Look for this in calib_version member of struct iwl4965_eeprom. */
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#define EEPROM_TX_POWER_VERSION_NEW (5)
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/* 2.4 GHz */
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extern const u8 iwl_eeprom_band_1[14];
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/*
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* 4965 factory calibration data for one txpower level, on one channel,
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* measured on one of the 2 tx chains (radio transmitter and associated
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* antenna). EEPROM contains:
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*
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* 1) Temperature (degrees Celsius) of device when measurement was made.
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*
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* 2) Gain table index used to achieve the target measurement power.
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* This refers to the "well-known" gain tables (see iwl-4965-hw.h).
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*
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* 3) Actual measured output power, in half-dBm ("34" = 17 dBm).
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*
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* 4) RF power amplifier detector level measurement (not used).
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*/
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struct iwl4965_eeprom_calib_measure {
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u8 temperature; /* Device temperature (Celsius) */
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u8 gain_idx; /* Index into gain table */
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u8 actual_pow; /* Measured RF output power, half-dBm */
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s8 pa_det; /* Power amp detector level (not used) */
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} __attribute__ ((packed));
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/*
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* 4965 measurement set for one channel. EEPROM contains:
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*
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* 1) Channel number measured
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*
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* 2) Measurements for each of 3 power levels for each of 2 radio transmitters
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* (a.k.a. "tx chains") (6 measurements altogether)
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*/
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struct iwl4965_eeprom_calib_ch_info {
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u8 ch_num;
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struct iwl4965_eeprom_calib_measure
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measurements[EEPROM_TX_POWER_TX_CHAINS]
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[EEPROM_TX_POWER_MEASUREMENTS];
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} __attribute__ ((packed));
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/*
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* 4965 txpower subband info.
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*
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* For each frequency subband, EEPROM contains the following:
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*
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* 1) First and last channels within range of the subband. "0" values
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* indicate that this sample set is not being used.
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*
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* 2) Sample measurement sets for 2 channels close to the range endpoints.
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*/
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struct iwl4965_eeprom_calib_subband_info {
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u8 ch_from; /* channel number of lowest channel in subband */
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u8 ch_to; /* channel number of highest channel in subband */
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struct iwl4965_eeprom_calib_ch_info ch1;
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struct iwl4965_eeprom_calib_ch_info ch2;
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} __attribute__ ((packed));
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/*
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* 4965 txpower calibration info. EEPROM contains:
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*
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* 1) Factory-measured saturation power levels (maximum levels at which
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* tx power amplifier can output a signal without too much distortion).
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* There is one level for 2.4 GHz band and one for 5 GHz band. These
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* values apply to all channels within each of the bands.
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*
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* 2) Factory-measured power supply voltage level. This is assumed to be
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* constant (i.e. same value applies to all channels/bands) while the
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* factory measurements are being made.
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*
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* 3) Up to 8 sets of factory-measured txpower calibration values.
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* These are for different frequency ranges, since txpower gain
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* characteristics of the analog radio circuitry vary with frequency.
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*
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* Not all sets need to be filled with data;
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* struct iwl4965_eeprom_calib_subband_info contains range of channels
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* (0 if unused) for each set of data.
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*/
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struct iwl4965_eeprom_calib_info {
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u8 saturation_power24; /* half-dBm (e.g. "34" = 17 dBm) */
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u8 saturation_power52; /* half-dBm */
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s16 voltage; /* signed */
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struct iwl4965_eeprom_calib_subband_info
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band_info[EEPROM_TX_POWER_BANDS];
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} __attribute__ ((packed));
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/*
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* 4965 EEPROM map
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*/
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struct iwl4965_eeprom {
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u8 reserved0[16];
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u16 device_id; /* abs.ofs: 16 */
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u8 reserved1[2];
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u16 pmc; /* abs.ofs: 20 */
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u8 reserved2[20];
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u8 mac_address[6]; /* abs.ofs: 42 */
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u8 reserved3[58];
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u16 board_revision; /* abs.ofs: 106 */
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u8 reserved4[11];
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u8 board_pba_number[9]; /* abs.ofs: 119 */
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u8 reserved5[8];
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u16 version; /* abs.ofs: 136 */
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u8 sku_cap; /* abs.ofs: 138 */
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u8 leds_mode; /* abs.ofs: 139 */
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u16 oem_mode;
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u16 wowlan_mode; /* abs.ofs: 142 */
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u16 leds_time_interval; /* abs.ofs: 144 */
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u8 leds_off_time; /* abs.ofs: 146 */
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u8 leds_on_time; /* abs.ofs: 147 */
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u8 almgor_m_version; /* abs.ofs: 148 */
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u8 antenna_switch_type; /* abs.ofs: 149 */
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u8 reserved6[8];
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u16 board_revision_4965; /* abs.ofs: 158 */
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u8 reserved7[13];
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u8 board_pba_number_4965[9]; /* abs.ofs: 173 */
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u8 reserved8[10];
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u8 sku_id[4]; /* abs.ofs: 192 */
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/*
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* Per-channel regulatory data.
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*
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* Each channel that *might* be supported by 3945 or 4965 has a fixed location
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* in EEPROM containing EEPROM_CHANNEL_* usage flags (LSB) and max regulatory
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* txpower (MSB).
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*
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* Entries immediately below are for 20 MHz channel width. FAT (40 MHz)
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* channels (only for 4965, not supported by 3945) appear later in the EEPROM.
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*
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* 2.4 GHz channels 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
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*/
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u16 band_1_count; /* abs.ofs: 196 */
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struct iwl4965_eeprom_channel band_1_channels[14]; /* abs.ofs: 196 */
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/*
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* 4.9 GHz channels 183, 184, 185, 187, 188, 189, 192, 196,
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* 5.0 GHz channels 7, 8, 11, 12, 16
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* (4915-5080MHz) (none of these is ever supported)
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*/
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u16 band_2_count; /* abs.ofs: 226 */
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struct iwl4965_eeprom_channel band_2_channels[13]; /* abs.ofs: 228 */
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/*
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* 5.2 GHz channels 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64
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* (5170-5320MHz)
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*/
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u16 band_3_count; /* abs.ofs: 254 */
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struct iwl4965_eeprom_channel band_3_channels[12]; /* abs.ofs: 256 */
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/*
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* 5.5 GHz channels 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140
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* (5500-5700MHz)
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*/
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u16 band_4_count; /* abs.ofs: 280 */
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struct iwl4965_eeprom_channel band_4_channels[11]; /* abs.ofs: 282 */
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/*
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* 5.7 GHz channels 145, 149, 153, 157, 161, 165
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* (5725-5825MHz)
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*/
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u16 band_5_count; /* abs.ofs: 304 */
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struct iwl4965_eeprom_channel band_5_channels[6]; /* abs.ofs: 306 */
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u8 reserved10[2];
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/*
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* 2.4 GHz FAT channels 1 (5), 2 (6), 3 (7), 4 (8), 5 (9), 6 (10), 7 (11)
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*
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* The channel listed is the center of the lower 20 MHz half of the channel.
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* The overall center frequency is actually 2 channels (10 MHz) above that,
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* and the upper half of each FAT channel is centered 4 channels (20 MHz) away
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* from the lower half; e.g. the upper half of FAT channel 1 is channel 5,
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* and the overall FAT channel width centers on channel 3.
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*
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* NOTE: The RXON command uses 20 MHz channel numbers to specify the
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* control channel to which to tune. RXON also specifies whether the
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* control channel is the upper or lower half of a FAT channel.
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*
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* NOTE: 4965 does not support FAT channels on 2.4 GHz.
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*/
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struct iwl4965_eeprom_channel band_24_channels[7]; /* abs.ofs: 320 */
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u8 reserved11[2];
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/*
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* 5.2 GHz FAT channels 36 (40), 44 (48), 52 (56), 60 (64),
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* 100 (104), 108 (112), 116 (120), 124 (128), 132 (136), 149 (153), 157 (161)
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*/
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struct iwl4965_eeprom_channel band_52_channels[11]; /* abs.ofs: 336 */
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u8 reserved12[6];
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/*
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* 4965 driver requires txpower calibration format version 5 or greater.
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* Driver does not work with txpower calibration version < 5.
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* This value is simply a 16-bit number, no major/minor versions here.
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*/
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u16 calib_version; /* abs.ofs: 364 */
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u8 reserved13[2];
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u8 reserved14[96]; /* abs.ofs: 368 */
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/*
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* 4965 Txpower calibration data.
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*/
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struct iwl4965_eeprom_calib_info calib_info; /* abs.ofs: 464 */
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u8 reserved16[140]; /* fill out to full 1024 byte block */
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} __attribute__ ((packed));
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#define IWL_EEPROM_IMAGE_SIZE 1024
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/* End of EEPROM */
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struct iwl_eeprom_ops {
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int (*verify_signature) (struct iwl_priv *priv);
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int (*acquire_semaphore) (struct iwl_priv *priv);
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void (*release_semaphore) (struct iwl_priv *priv);
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};
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void iwl_eeprom_get_mac(const struct iwl_priv *priv, u8 *mac);
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int iwl_eeprom_init(struct iwl_priv *priv);
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int iwlcore_eeprom_verify_signature(struct iwl_priv *priv);
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int iwlcore_eeprom_acquire_semaphore(struct iwl_priv *priv);
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void iwlcore_eeprom_release_semaphore(struct iwl_priv *priv);
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int iwl_init_channel_map(struct iwl_priv *priv);
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void iwl_free_channel_map(struct iwl_priv *priv);
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const struct iwl_channel_info *iwl_get_channel_info(
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const struct iwl_priv *priv,
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enum ieee80211_band band, u16 channel);
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#endif /* __iwl_eeprom_h__ */
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