/****************************************************************************** * * 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 * 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 iwl_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) /* 2.4 GHz */ extern const u8 iwl_eeprom_band_1[14]; /* * 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]; u16 device_id; /* abs.ofs: 16 */ u8 reserved1[2]; u16 pmc; /* abs.ofs: 20 */ u8 reserved2[20]; u8 mac_address[6]; /* abs.ofs: 42 */ u8 reserved3[58]; u16 board_revision; /* abs.ofs: 106 */ u8 reserved4[11]; u8 board_pba_number[9]; /* abs.ofs: 119 */ u8 reserved5[8]; u16 version; /* abs.ofs: 136 */ u8 sku_cap; /* abs.ofs: 138 */ u8 leds_mode; /* abs.ofs: 139 */ u16 oem_mode; u16 wowlan_mode; /* abs.ofs: 142 */ u16 leds_time_interval; /* abs.ofs: 144 */ u8 leds_off_time; /* abs.ofs: 146 */ u8 leds_on_time; /* abs.ofs: 147 */ u8 almgor_m_version; /* abs.ofs: 148 */ u8 antenna_switch_type; /* abs.ofs: 149 */ u8 reserved6[8]; u16 board_revision_4965; /* abs.ofs: 158 */ u8 reserved7[13]; u8 board_pba_number_4965[9]; /* abs.ofs: 173 */ u8 reserved8[10]; 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 */ u16 band_1_count; /* abs.ofs: 196 */ 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) */ u16 band_2_count; /* abs.ofs: 226 */ 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) */ u16 band_3_count; /* abs.ofs: 254 */ 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) */ u16 band_4_count; /* abs.ofs: 280 */ struct iwl4965_eeprom_channel band_4_channels[11]; /* abs.ofs: 282 */ /* * 5.7 GHz channels 145, 149, 153, 157, 161, 165 * (5725-5825MHz) */ u16 band_5_count; /* abs.ofs: 304 */ 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. */ 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) */ 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. */ u16 calib_version; /* abs.ofs: 364 */ u8 reserved13[2]; u8 reserved14[96]; /* abs.ofs: 368 */ /* * 4965 Txpower calibration data. */ 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 iwl_priv *priv); int (*acquire_semaphore) (struct iwl_priv *priv); void (*release_semaphore) (struct iwl_priv *priv); }; void iwl_eeprom_get_mac(const struct iwl_priv *priv, u8 *mac); int iwl_eeprom_init(struct iwl_priv *priv); int iwlcore_eeprom_verify_signature(struct iwl_priv *priv); int iwlcore_eeprom_acquire_semaphore(struct iwl_priv *priv); void iwlcore_eeprom_release_semaphore(struct iwl_priv *priv); 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__ */