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ath9k_hw: add TX/RX gain register initialization for AR9003

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This is done depending on what the EEPROM settings indicates.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Luis R. Rodriguez 2010-04-15 17:39:21 -04:00 committed by John W. Linville
parent ec83903e67
commit c14a85dad4
3 changed files with 69 additions and 0 deletions
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14
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
View file

@ -1827,6 +1827,20 @@ static u16 ath9k_hw_ar9300_get_spur_channel(struct ath_hw *ah,
return AR_NO_SPUR;
}
s32 ar9003_hw_get_tx_gain_idx(struct ath_hw *ah)
{
struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
return (eep->baseEepHeader.txrxgain >> 4) & 0xf; /* bits 7:4 */
}
s32 ar9003_hw_get_rx_gain_idx(struct ath_hw *ah)
{
struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
return (eep->baseEepHeader.txrxgain) & 0xf; /* bits 3:0 */
}
const struct eeprom_ops eep_ar9300_ops = {
.check_eeprom = ath9k_hw_ar9300_check_eeprom,
.get_eeprom = ath9k_hw_ar9300_get_eeprom,

4
drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
View file

@ -316,4 +316,8 @@ struct ar9300_eeprom {
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);
#endif

51
drivers/net/wireless/ath/ath9k/ar9003_hw.c
View file

@ -105,6 +105,56 @@ static void ar9003_hw_init_mode_regs(struct ath_hw *ah)
3);
}
static void ar9003_tx_gain_table_apply(struct ath_hw *ah)
{
switch (ar9003_hw_get_tx_gain_idx(ah)) {
case 0:
default:
INIT_INI_ARRAY(&ah->iniModesTxGain,
ar9300Modes_lowest_ob_db_tx_gain_table_2p0,
ARRAY_SIZE(ar9300Modes_lowest_ob_db_tx_gain_table_2p0),
5);
break;
case 1:
INIT_INI_ARRAY(&ah->iniModesTxGain,
ar9300Modes_high_ob_db_tx_gain_table_2p0,
ARRAY_SIZE(ar9300Modes_high_ob_db_tx_gain_table_2p0),
5);
break;
case 2:
INIT_INI_ARRAY(&ah->iniModesTxGain,
ar9300Modes_low_ob_db_tx_gain_table_2p0,
ARRAY_SIZE(ar9300Modes_low_ob_db_tx_gain_table_2p0),
5);
break;
}
}
static void ar9003_rx_gain_table_apply(struct ath_hw *ah)
{
switch (ar9003_hw_get_rx_gain_idx(ah)) {
case 0:
default:
INIT_INI_ARRAY(&ah->iniModesRxGain, ar9300Common_rx_gain_table_2p0,
ARRAY_SIZE(ar9300Common_rx_gain_table_2p0),
2);
break;
case 1:
INIT_INI_ARRAY(&ah->iniModesRxGain,
ar9300Common_wo_xlna_rx_gain_table_2p0,
ARRAY_SIZE(ar9300Common_wo_xlna_rx_gain_table_2p0),
2);
break;
}
}
/* set gain table pointers according to values read from the eeprom */
static void ar9003_hw_init_mode_gain_regs(struct ath_hw *ah)
{
ar9003_tx_gain_table_apply(ah);
ar9003_rx_gain_table_apply(ah);
}
/*
* Helper for ASPM support.
*
@ -143,6 +193,7 @@ void ar9003_hw_attach_ops(struct ath_hw *ah)
struct ath_hw_ops *ops = ath9k_hw_ops(ah);
priv_ops->init_mode_regs = ar9003_hw_init_mode_regs;
priv_ops->init_mode_gain_regs = ar9003_hw_init_mode_gain_regs;
priv_ops->macversion_supported = ar9003_hw_macversion_supported;
ops->config_pci_powersave = ar9003_hw_configpcipowersave;