linux/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
Wojciech Dubowik 34d4fcd881 ath9k: Read noise floor calibration data from eeprom
AR9003 devices can have calibrated noise floor values
which can be used instead of hard coded one. Read them
from eeprom and save interpolated value in nf limits for
the current channel.

Signed-off-by: Wojciech Dubowik <Wojciech.Dubowik@neratec.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-01-25 07:33:36 +02:00

373 lines
11 KiB
C

/*
* Copyright (c) 2010-2011 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef AR9003_EEPROM_H
#define AR9003_EEPROM_H
#include <linux/types.h>
#define AR9300_EEP_VER 0xD000
#define AR9300_EEP_VER_MINOR_MASK 0xFFF
#define AR9300_EEP_MINOR_VER_1 0x1
#define AR9300_EEP_MINOR_VER AR9300_EEP_MINOR_VER_1
/* 16-bit offset location start of calibration struct */
#define AR9300_EEP_START_LOC 256
#define AR9300_NUM_5G_CAL_PIERS 8
#define AR9300_NUM_2G_CAL_PIERS 3
#define AR9300_NUM_5G_20_TARGET_POWERS 8
#define AR9300_NUM_5G_40_TARGET_POWERS 8
#define AR9300_NUM_2G_CCK_TARGET_POWERS 2
#define AR9300_NUM_2G_20_TARGET_POWERS 3
#define AR9300_NUM_2G_40_TARGET_POWERS 3
/* #define AR9300_NUM_CTLS 21 */
#define AR9300_NUM_CTLS_5G 9
#define AR9300_NUM_CTLS_2G 12
#define AR9300_NUM_BAND_EDGES_5G 8
#define AR9300_NUM_BAND_EDGES_2G 4
#define AR9300_EEPMISC_WOW 0x02
#define AR9300_CUSTOMER_DATA_SIZE 20
#define AR9300_MAX_CHAINS 3
#define AR9300_ANT_16S 25
#define AR9300_FUTURE_MODAL_SZ 6
#define AR9300_PAPRD_RATE_MASK 0x01ffffff
#define AR9300_PAPRD_SCALE_1 0x0e000000
#define AR9300_PAPRD_SCALE_1_S 25
#define AR9300_PAPRD_SCALE_2 0x70000000
#define AR9300_PAPRD_SCALE_2_S 28
#define AR9300_EEP_ANTDIV_CONTROL_DEFAULT_VALUE 0xc9
/* Delta from which to start power to pdadc table */
/* This offset is used in both open loop and closed loop power control
* schemes. In open loop power control, it is not really needed, but for
* the "sake of consistency" it was kept. For certain AP designs, this
* value is overwritten by the value in the flag "pwrTableOffset" just
* before writing the pdadc vs pwr into the chip registers.
*/
#define AR9300_PWR_TABLE_OFFSET 0
/* Noise power data definitions
* units are: 4 x dBm - NOISE_PWR_DATA_OFFSET
* (e.g. -25 = (-25/4 - 90) = -96.25 dBm)
* range (for 6 signed bits) is (-32 to 31) + offset => -122dBm to -59dBm
* resolution (2 bits) is 0.25dBm
*/
#define NOISE_PWR_DATA_OFFSET -90
#define NOISE_PWR_DBM_2_INT(_p) ((((_p) + 3) >> 2) + NOISE_PWR_DATA_OFFSET)
#define N2DBM(_p) NOISE_PWR_DBM_2_INT(_p)
/* byte addressable */
#define AR9300_EEPROM_SIZE (16*1024)
#define AR9300_BASE_ADDR_4K 0xfff
#define AR9300_BASE_ADDR 0x3ff
#define AR9300_BASE_ADDR_512 0x1ff
/* AR5416_EEPMISC_BIG_ENDIAN not set indicates little endian */
#define AR9300_EEPMISC_LITTLE_ENDIAN 0
#define AR9300_OTP_BASE \
((AR_SREV_9340(ah) || AR_SREV_9550(ah)) ? 0x30000 : 0x14000)
#define AR9300_OTP_STATUS \
((AR_SREV_9340(ah) || AR_SREV_9550(ah)) ? 0x31018 : 0x15f18)
#define AR9300_OTP_STATUS_TYPE 0x7
#define AR9300_OTP_STATUS_VALID 0x4
#define AR9300_OTP_STATUS_ACCESS_BUSY 0x2
#define AR9300_OTP_STATUS_SM_BUSY 0x1
#define AR9300_OTP_READ_DATA \
((AR_SREV_9340(ah) || AR_SREV_9550(ah)) ? 0x3101c : 0x15f1c)
enum targetPowerHTRates {
HT_TARGET_RATE_0_8_16,
HT_TARGET_RATE_1_3_9_11_17_19,
HT_TARGET_RATE_4,
HT_TARGET_RATE_5,
HT_TARGET_RATE_6,
HT_TARGET_RATE_7,
HT_TARGET_RATE_12,
HT_TARGET_RATE_13,
HT_TARGET_RATE_14,
HT_TARGET_RATE_15,
HT_TARGET_RATE_20,
HT_TARGET_RATE_21,
HT_TARGET_RATE_22,
HT_TARGET_RATE_23
};
enum targetPowerLegacyRates {
LEGACY_TARGET_RATE_6_24,
LEGACY_TARGET_RATE_36,
LEGACY_TARGET_RATE_48,
LEGACY_TARGET_RATE_54
};
enum targetPowerCckRates {
LEGACY_TARGET_RATE_1L_5L,
LEGACY_TARGET_RATE_5S,
LEGACY_TARGET_RATE_11L,
LEGACY_TARGET_RATE_11S
};
enum ar9300_Rates {
ALL_TARGET_LEGACY_6_24,
ALL_TARGET_LEGACY_36,
ALL_TARGET_LEGACY_48,
ALL_TARGET_LEGACY_54,
ALL_TARGET_LEGACY_1L_5L,
ALL_TARGET_LEGACY_5S,
ALL_TARGET_LEGACY_11L,
ALL_TARGET_LEGACY_11S,
ALL_TARGET_HT20_0_8_16,
ALL_TARGET_HT20_1_3_9_11_17_19,
ALL_TARGET_HT20_4,
ALL_TARGET_HT20_5,
ALL_TARGET_HT20_6,
ALL_TARGET_HT20_7,
ALL_TARGET_HT20_12,
ALL_TARGET_HT20_13,
ALL_TARGET_HT20_14,
ALL_TARGET_HT20_15,
ALL_TARGET_HT20_20,
ALL_TARGET_HT20_21,
ALL_TARGET_HT20_22,
ALL_TARGET_HT20_23,
ALL_TARGET_HT40_0_8_16,
ALL_TARGET_HT40_1_3_9_11_17_19,
ALL_TARGET_HT40_4,
ALL_TARGET_HT40_5,
ALL_TARGET_HT40_6,
ALL_TARGET_HT40_7,
ALL_TARGET_HT40_12,
ALL_TARGET_HT40_13,
ALL_TARGET_HT40_14,
ALL_TARGET_HT40_15,
ALL_TARGET_HT40_20,
ALL_TARGET_HT40_21,
ALL_TARGET_HT40_22,
ALL_TARGET_HT40_23,
ar9300RateSize,
};
struct eepFlags {
u8 opFlags;
u8 eepMisc;
} __packed;
enum CompressAlgorithm {
_CompressNone = 0,
_CompressLzma,
_CompressPairs,
_CompressBlock,
_Compress4,
_Compress5,
_Compress6,
_Compress7,
};
struct ar9300_base_eep_hdr {
__le16 regDmn[2];
/* 4 bits tx and 4 bits rx */
u8 txrxMask;
struct eepFlags opCapFlags;
u8 rfSilent;
u8 blueToothOptions;
u8 deviceCap;
/* takes lower byte in eeprom location */
u8 deviceType;
/* offset in dB to be added to beginning
* of pdadc table in calibration
*/
int8_t pwrTableOffset;
u8 params_for_tuning_caps[2];
/*
* bit0 - enable tx temp comp
* bit1 - enable tx volt comp
* bit2 - enable fastClock - default to 1
* bit3 - enable doubling - default to 1
* bit4 - enable internal regulator - default to 1
*/
u8 featureEnable;
/* misc flags: bit0 - turn down drivestrength */
u8 miscConfiguration;
u8 eepromWriteEnableGpio;
u8 wlanDisableGpio;
u8 wlanLedGpio;
u8 rxBandSelectGpio;
u8 txrxgain;
/* SW controlled internal regulator fields */
__le32 swreg;
} __packed;
struct ar9300_modal_eep_header {
/* 4 idle, t1, t2, b (4 bits per setting) */
__le32 antCtrlCommon;
/* 4 ra1l1, ra2l1, ra1l2, ra2l2, ra12 */
__le32 antCtrlCommon2;
/* 6 idle, t, r, rx1, rx12, b (2 bits each) */
__le16 antCtrlChain[AR9300_MAX_CHAINS];
/* 3 xatten1_db for AR9280 (0xa20c/b20c 5:0) */
u8 xatten1DB[AR9300_MAX_CHAINS];
/* 3 xatten1_margin for merlin (0xa20c/b20c 16:12 */
u8 xatten1Margin[AR9300_MAX_CHAINS];
int8_t tempSlope;
int8_t voltSlope;
/* spur channels in usual fbin coding format */
u8 spurChans[AR_EEPROM_MODAL_SPURS];
/* 3 Check if the register is per chain */
int8_t noiseFloorThreshCh[AR9300_MAX_CHAINS];
u8 reserved[11];
int8_t quick_drop;
u8 xpaBiasLvl;
u8 txFrameToDataStart;
u8 txFrameToPaOn;
u8 txClip;
int8_t antennaGain;
u8 switchSettling;
int8_t adcDesiredSize;
u8 txEndToXpaOff;
u8 txEndToRxOn;
u8 txFrameToXpaOn;
u8 thresh62;
__le32 papdRateMaskHt20;
__le32 papdRateMaskHt40;
__le16 switchcomspdt;
u8 xlna_bias_strength;
u8 futureModal[7];
} __packed;
struct ar9300_cal_data_per_freq_op_loop {
int8_t refPower;
/* pdadc voltage at power measurement */
u8 voltMeas;
/* pcdac used for power measurement */
u8 tempMeas;
/* range is -60 to -127 create a mapping equation 1db resolution */
int8_t rxNoisefloorCal;
/*range is same as noisefloor */
int8_t rxNoisefloorPower;
/* temp measured when noisefloor cal was performed */
u8 rxTempMeas;
} __packed;
struct cal_tgt_pow_legacy {
u8 tPow2x[4];
} __packed;
struct cal_tgt_pow_ht {
u8 tPow2x[14];
} __packed;
struct cal_ctl_data_2g {
u8 ctlEdges[AR9300_NUM_BAND_EDGES_2G];
} __packed;
struct cal_ctl_data_5g {
u8 ctlEdges[AR9300_NUM_BAND_EDGES_5G];
} __packed;
#define MAX_BASE_EXTENSION_FUTURE 2
struct ar9300_BaseExtension_1 {
u8 ant_div_control;
u8 future[MAX_BASE_EXTENSION_FUTURE];
/*
* misc_enable:
*
* BIT 0 - TX Gain Cap enable.
* BIT 1 - Uncompressed Checksum enable.
* BIT 2/3 - MinCCApwr enable 2g/5g.
*/
u8 misc_enable;
int8_t tempslopextension[8];
int8_t quick_drop_low;
int8_t quick_drop_high;
} __packed;
struct ar9300_BaseExtension_2 {
int8_t tempSlopeLow;
int8_t tempSlopeHigh;
u8 xatten1DBLow[AR9300_MAX_CHAINS];
u8 xatten1MarginLow[AR9300_MAX_CHAINS];
u8 xatten1DBHigh[AR9300_MAX_CHAINS];
u8 xatten1MarginHigh[AR9300_MAX_CHAINS];
} __packed;
struct ar9300_eeprom {
u8 eepromVersion;
u8 templateVersion;
u8 macAddr[6];
u8 custData[AR9300_CUSTOMER_DATA_SIZE];
struct ar9300_base_eep_hdr baseEepHeader;
struct ar9300_modal_eep_header modalHeader2G;
struct ar9300_BaseExtension_1 base_ext1;
u8 calFreqPier2G[AR9300_NUM_2G_CAL_PIERS];
struct ar9300_cal_data_per_freq_op_loop
calPierData2G[AR9300_MAX_CHAINS][AR9300_NUM_2G_CAL_PIERS];
u8 calTarget_freqbin_Cck[AR9300_NUM_2G_CCK_TARGET_POWERS];
u8 calTarget_freqbin_2G[AR9300_NUM_2G_20_TARGET_POWERS];
u8 calTarget_freqbin_2GHT20[AR9300_NUM_2G_20_TARGET_POWERS];
u8 calTarget_freqbin_2GHT40[AR9300_NUM_2G_40_TARGET_POWERS];
struct cal_tgt_pow_legacy
calTargetPowerCck[AR9300_NUM_2G_CCK_TARGET_POWERS];
struct cal_tgt_pow_legacy
calTargetPower2G[AR9300_NUM_2G_20_TARGET_POWERS];
struct cal_tgt_pow_ht
calTargetPower2GHT20[AR9300_NUM_2G_20_TARGET_POWERS];
struct cal_tgt_pow_ht
calTargetPower2GHT40[AR9300_NUM_2G_40_TARGET_POWERS];
u8 ctlIndex_2G[AR9300_NUM_CTLS_2G];
u8 ctl_freqbin_2G[AR9300_NUM_CTLS_2G][AR9300_NUM_BAND_EDGES_2G];
struct cal_ctl_data_2g ctlPowerData_2G[AR9300_NUM_CTLS_2G];
struct ar9300_modal_eep_header modalHeader5G;
struct ar9300_BaseExtension_2 base_ext2;
u8 calFreqPier5G[AR9300_NUM_5G_CAL_PIERS];
struct ar9300_cal_data_per_freq_op_loop
calPierData5G[AR9300_MAX_CHAINS][AR9300_NUM_5G_CAL_PIERS];
u8 calTarget_freqbin_5G[AR9300_NUM_5G_20_TARGET_POWERS];
u8 calTarget_freqbin_5GHT20[AR9300_NUM_5G_20_TARGET_POWERS];
u8 calTarget_freqbin_5GHT40[AR9300_NUM_5G_40_TARGET_POWERS];
struct cal_tgt_pow_legacy
calTargetPower5G[AR9300_NUM_5G_20_TARGET_POWERS];
struct cal_tgt_pow_ht
calTargetPower5GHT20[AR9300_NUM_5G_20_TARGET_POWERS];
struct cal_tgt_pow_ht
calTargetPower5GHT40[AR9300_NUM_5G_40_TARGET_POWERS];
u8 ctlIndex_5G[AR9300_NUM_CTLS_5G];
u8 ctl_freqbin_5G[AR9300_NUM_CTLS_5G][AR9300_NUM_BAND_EDGES_5G];
struct cal_ctl_data_5g ctlPowerData_5G[AR9300_NUM_CTLS_5G];
} __packed;
s32 ar9003_hw_get_tx_gain_idx(struct ath_hw *ah);
s32 ar9003_hw_get_rx_gain_idx(struct ath_hw *ah);
u32 ar9003_hw_ant_ctrl_common_get(struct ath_hw *ah, bool is2ghz);
u32 ar9003_hw_ant_ctrl_common_2_get(struct ath_hw *ah, bool is2ghz);
u8 *ar9003_get_spur_chan_ptr(struct ath_hw *ah, bool is_2ghz);
unsigned int ar9003_get_paprd_scale_factor(struct ath_hw *ah,
struct ath9k_channel *chan);
void ar9003_hw_internal_regulator_apply(struct ath_hw *ah);
int ar9003_hw_tx_power_regwrite(struct ath_hw *ah, u8 * pPwrArray);
#endif