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ath5k: Add tx power calibration support

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* Add tx power calibration support
* Add a few tx power limits
* Hardcode default power to 12.5dB
* Disable TPC for now

v2: Address Jiri's comments

Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Nick Kossifidis
2009-03-15 22:20:35 +02:00
committed by John W. Linville
parent 6d5eaafa55
commit 8f655dde24
7 changed files with 1177 additions and 94 deletions
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35
drivers/net/wireless/ath5k/ath5k.h
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@@ -204,9 +204,9 @@
#define AR5K_TUNE_CWMAX_11B 1023
#define AR5K_TUNE_CWMAX_XR 7
#define AR5K_TUNE_NOISE_FLOOR -72
#define AR5K_TUNE_MAX_TXPOWER 60
#define AR5K_TUNE_DEFAULT_TXPOWER 30
#define AR5K_TUNE_TPC_TXPOWER true
#define AR5K_TUNE_MAX_TXPOWER 63
#define AR5K_TUNE_DEFAULT_TXPOWER 25
#define AR5K_TUNE_TPC_TXPOWER false
#define AR5K_TUNE_ANT_DIVERSITY true
#define AR5K_TUNE_HWTXTRIES 4
@@ -551,11 +551,11 @@ enum ath5k_pkt_type {
*/
#define AR5K_TXPOWER_OFDM(_r, _v) ( \
((0 & 1) << ((_v) + 6)) | \
(((ah->ah_txpower.txp_rates[(_r)]) & 0x3f) << (_v)) \
(((ah->ah_txpower.txp_rates_power_table[(_r)]) & 0x3f) << (_v)) \
)
#define AR5K_TXPOWER_CCK(_r, _v) ( \
(ah->ah_txpower.txp_rates[(_r)] & 0x3f) << (_v) \
(ah->ah_txpower.txp_rates_power_table[(_r)] & 0x3f) << (_v) \
)
/*
@@ -1085,13 +1085,25 @@ struct ath5k_hw {
struct ath5k_gain ah_gain;
u8 ah_offset[AR5K_MAX_RF_BANKS];
struct {
u16 txp_pcdac[AR5K_EEPROM_POWER_TABLE_SIZE];
u16 txp_rates[AR5K_MAX_RATES];
s16 txp_min;
s16 txp_max;
/* Temporary tables used for interpolation */
u8 tmpL[AR5K_EEPROM_N_PD_GAINS]
[AR5K_EEPROM_POWER_TABLE_SIZE];
u8 tmpR[AR5K_EEPROM_N_PD_GAINS]
[AR5K_EEPROM_POWER_TABLE_SIZE];
u8 txp_pd_table[AR5K_EEPROM_POWER_TABLE_SIZE * 2];
u16 txp_rates_power_table[AR5K_MAX_RATES];
u8 txp_min_idx;
bool txp_tpc;
/* Values in 0.25dB units */
s16 txp_min_pwr;
s16 txp_max_pwr;
s16 txp_offset;
s16 txp_ofdm;
/* Values in dB units */
s16 txp_cck_ofdm_pwr_delta;
s16 txp_cck_ofdm_gainf_delta;
} ah_txpower;
struct {
@@ -1161,6 +1173,7 @@ extern void ath5k_hw_update_mib_counters(struct ath5k_hw *ah, struct ieee80211_l
/* EEPROM access functions */
extern int ath5k_eeprom_init(struct ath5k_hw *ah);
extern void ath5k_eeprom_detach(struct ath5k_hw *ah);
extern int ath5k_eeprom_read_mac(struct ath5k_hw *ah, u8 *mac);
extern bool ath5k_eeprom_is_hb63(struct ath5k_hw *ah);
@@ -1256,8 +1269,8 @@ extern void ath5k_hw_set_def_antenna(struct ath5k_hw *ah, unsigned int ant);
extern unsigned int ath5k_hw_get_def_antenna(struct ath5k_hw *ah);
extern int ath5k_hw_phy_disable(struct ath5k_hw *ah);
/* TX power setup */
extern int ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel, unsigned int txpower);
extern int ath5k_hw_set_txpower_limit(struct ath5k_hw *ah, unsigned int power);
extern int ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel, u8 ee_mode, u8 txpower);
extern int ath5k_hw_set_txpower_limit(struct ath5k_hw *ah, u8 ee_mode, u8 txpower);
/*
* Functions used internaly