diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_aic.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_aic.c | 79 |
1 files changed, 40 insertions, 39 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_aic.c b/drivers/net/wireless/ath/ath9k/ar9003_aic.c index 1db119d77783..547cd46da260 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_aic.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_aic.c @@ -53,19 +53,19 @@ static bool ar9003_hw_is_aic_enabled(struct ath_hw *ah) return true; } -static int16_t ar9003_aic_find_valid(struct ath_aic_sram_info *cal_sram, +static int16_t ar9003_aic_find_valid(bool *cal_sram_valid, bool dir, u8 index) { int16_t i; if (dir) { for (i = index + 1; i < ATH_AIC_MAX_BT_CHANNEL; i++) { - if (cal_sram[i].valid) + if (cal_sram_valid[i]) break; } } else { for (i = index - 1; i >= 0; i--) { - if (cal_sram[i].valid) + if (cal_sram_valid[i]) break; } } @@ -264,7 +264,7 @@ static u8 ar9003_aic_cal_start(struct ath_hw *ah, u8 min_valid_count) static bool ar9003_aic_cal_post_process(struct ath_hw *ah) { struct ath9k_hw_aic *aic = &ah->btcoex_hw.aic; - struct ath_aic_sram_info cal_sram[ATH_AIC_MAX_BT_CHANNEL]; + bool cal_sram_valid[ATH_AIC_MAX_BT_CHANNEL]; struct ath_aic_out_info aic_sram[ATH_AIC_MAX_BT_CHANNEL]; u32 dir_path_gain_idx, quad_path_gain_idx, value; u32 fixed_com_att_db; @@ -272,33 +272,34 @@ static bool ar9003_aic_cal_post_process(struct ath_hw *ah) int16_t i; bool ret = true; - memset(&cal_sram, 0, sizeof(cal_sram)); + memset(&cal_sram_valid, 0, sizeof(cal_sram_valid)); memset(&aic_sram, 0, sizeof(aic_sram)); for (i = 0; i < ATH_AIC_MAX_BT_CHANNEL; i++) { + struct ath_aic_sram_info sram; value = aic->aic_sram[i]; - cal_sram[i].valid = + cal_sram_valid[i] = sram.valid = MS(value, AR_PHY_AIC_SRAM_VALID); - cal_sram[i].rot_quad_att_db = + sram.rot_quad_att_db = MS(value, AR_PHY_AIC_SRAM_ROT_QUAD_ATT_DB); - cal_sram[i].vga_quad_sign = + sram.vga_quad_sign = MS(value, AR_PHY_AIC_SRAM_VGA_QUAD_SIGN); - cal_sram[i].rot_dir_att_db = + sram.rot_dir_att_db = MS(value, AR_PHY_AIC_SRAM_ROT_DIR_ATT_DB); - cal_sram[i].vga_dir_sign = + sram.vga_dir_sign = MS(value, AR_PHY_AIC_SRAM_VGA_DIR_SIGN); - cal_sram[i].com_att_6db = + sram.com_att_6db = MS(value, AR_PHY_AIC_SRAM_COM_ATT_6DB); - if (cal_sram[i].valid) { - dir_path_gain_idx = cal_sram[i].rot_dir_att_db + - com_att_db_table[cal_sram[i].com_att_6db]; - quad_path_gain_idx = cal_sram[i].rot_quad_att_db + - com_att_db_table[cal_sram[i].com_att_6db]; + if (sram.valid) { + dir_path_gain_idx = sram.rot_dir_att_db + + com_att_db_table[sram.com_att_6db]; + quad_path_gain_idx = sram.rot_quad_att_db + + com_att_db_table[sram.com_att_6db]; - dir_path_sign = (cal_sram[i].vga_dir_sign) ? 1 : -1; - quad_path_sign = (cal_sram[i].vga_quad_sign) ? 1 : -1; + dir_path_sign = (sram.vga_dir_sign) ? 1 : -1; + quad_path_sign = (sram.vga_quad_sign) ? 1 : -1; aic_sram[i].dir_path_gain_lin = dir_path_sign * aic_lin_table[dir_path_gain_idx]; @@ -310,16 +311,16 @@ static bool ar9003_aic_cal_post_process(struct ath_hw *ah) for (i = 0; i < ATH_AIC_MAX_BT_CHANNEL; i++) { int16_t start_idx, end_idx; - if (cal_sram[i].valid) + if (cal_sram_valid[i]) continue; - start_idx = ar9003_aic_find_valid(cal_sram, 0, i); - end_idx = ar9003_aic_find_valid(cal_sram, 1, i); + start_idx = ar9003_aic_find_valid(cal_sram_valid, 0, i); + end_idx = ar9003_aic_find_valid(cal_sram_valid, 1, i); if (start_idx < 0) { /* extrapolation */ start_idx = end_idx; - end_idx = ar9003_aic_find_valid(cal_sram, 1, start_idx); + end_idx = ar9003_aic_find_valid(cal_sram_valid, 1, start_idx); if (end_idx < 0) { ret = false; @@ -342,7 +343,7 @@ static bool ar9003_aic_cal_post_process(struct ath_hw *ah) if (end_idx < 0) { /* extrapolation */ - end_idx = ar9003_aic_find_valid(cal_sram, 0, start_idx); + end_idx = ar9003_aic_find_valid(cal_sram_valid, 0, start_idx); if (end_idx < 0) { ret = false; @@ -378,19 +379,21 @@ static bool ar9003_aic_cal_post_process(struct ath_hw *ah) } /* From dir/quad_path_gain_lin to sram. */ - i = ar9003_aic_find_valid(cal_sram, 1, 0); + i = ar9003_aic_find_valid(cal_sram_valid, 1, 0); if (i < 0) { i = 0; ret = false; } - fixed_com_att_db = com_att_db_table[cal_sram[i].com_att_6db]; + fixed_com_att_db = com_att_db_table[MS(aic->aic_sram[i], + AR_PHY_AIC_SRAM_COM_ATT_6DB)]; for (i = 0; i < ATH_AIC_MAX_BT_CHANNEL; i++) { int16_t rot_dir_path_att_db, rot_quad_path_att_db; + struct ath_aic_sram_info sram; - aic_sram[i].sram.vga_dir_sign = + sram.vga_dir_sign = (aic_sram[i].dir_path_gain_lin >= 0) ? 1 : 0; - aic_sram[i].sram.vga_quad_sign= + sram.vga_quad_sign = (aic_sram[i].quad_path_gain_lin >= 0) ? 1 : 0; rot_dir_path_att_db = @@ -400,33 +403,31 @@ static bool ar9003_aic_cal_post_process(struct ath_hw *ah) ar9003_aic_find_index(0, abs(aic_sram[i].quad_path_gain_lin)) - fixed_com_att_db; - aic_sram[i].sram.com_att_6db = + sram.com_att_6db = ar9003_aic_find_index(1, fixed_com_att_db); - aic_sram[i].sram.valid = 1; + sram.valid = 1; - aic_sram[i].sram.rot_dir_att_db = + sram.rot_dir_att_db = min(max(rot_dir_path_att_db, (int16_t)ATH_AIC_MIN_ROT_DIR_ATT_DB), ATH_AIC_MAX_ROT_DIR_ATT_DB); - aic_sram[i].sram.rot_quad_att_db = + sram.rot_quad_att_db = min(max(rot_quad_path_att_db, (int16_t)ATH_AIC_MIN_ROT_QUAD_ATT_DB), ATH_AIC_MAX_ROT_QUAD_ATT_DB); - } - for (i = 0; i < ATH_AIC_MAX_BT_CHANNEL; i++) { - aic->aic_sram[i] = (SM(aic_sram[i].sram.vga_dir_sign, + aic->aic_sram[i] = (SM(sram.vga_dir_sign, AR_PHY_AIC_SRAM_VGA_DIR_SIGN) | - SM(aic_sram[i].sram.vga_quad_sign, + SM(sram.vga_quad_sign, AR_PHY_AIC_SRAM_VGA_QUAD_SIGN) | - SM(aic_sram[i].sram.com_att_6db, + SM(sram.com_att_6db, AR_PHY_AIC_SRAM_COM_ATT_6DB) | - SM(aic_sram[i].sram.valid, + SM(sram.valid, AR_PHY_AIC_SRAM_VALID) | - SM(aic_sram[i].sram.rot_dir_att_db, + SM(sram.rot_dir_att_db, AR_PHY_AIC_SRAM_ROT_DIR_ATT_DB) | - SM(aic_sram[i].sram.rot_quad_att_db, + SM(sram.rot_quad_att_db, AR_PHY_AIC_SRAM_ROT_QUAD_ATT_DB)); } |