| /****************************************************************************** |
| * |
| * 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 - 2011 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 - 2011 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 |
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| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| *****************************************************************************/ |
| |
| #ifndef __iwl_legacy_eeprom_h__ |
| #define __iwl_legacy_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) |
| |
| /* *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; |
| |
| /* 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 */ |
| |
| /* 2.4 GHz */ |
| extern const u8 iwlegacy_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; |
| |
| |
| /* 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 |
| |
| /* |
| * 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); |
| }; |
| |
| |
| int iwl_legacy_eeprom_init(struct iwl_priv *priv); |
| void iwl_legacy_eeprom_free(struct iwl_priv *priv); |
| const u8 *iwl_legacy_eeprom_query_addr(const struct iwl_priv *priv, |
| size_t offset); |
| u16 iwl_legacy_eeprom_query16(const struct iwl_priv *priv, size_t offset); |
| int iwl_legacy_init_channel_map(struct iwl_priv *priv); |
| void iwl_legacy_free_channel_map(struct iwl_priv *priv); |
| const struct iwl_channel_info *iwl_legacy_get_channel_info( |
| const struct iwl_priv *priv, |
| enum ieee80211_band band, u16 channel); |
| |
| #endif /* __iwl_legacy_eeprom_h__ */ |