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path: root/drivers/net/wireless/ath/ath9k/recv.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/recv.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/recv.c147
1 files changed, 115 insertions, 32 deletions
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 07e35e59c9e..70dc8ecdad4 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -14,6 +14,7 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
+#include <linux/dma-mapping.h>
#include "ath9k.h"
#include "ar9003_mac.h"
@@ -39,6 +40,7 @@ static inline bool ath_ant_div_comb_alt_check(u8 div_group, int alt_ratio,
result = true;
break;
case 1:
+ case 2:
if ((((curr_main_set == ATH_ANT_DIV_COMB_LNA2) &&
(curr_alt_set == ATH_ANT_DIV_COMB_LNA1) &&
(alt_rssi_avg >= (main_rssi_avg - 5))) ||
@@ -1075,39 +1077,39 @@ static void ath_lnaconf_alt_good_scan(struct ath_ant_comb *antcomb,
antcomb->rssi_lna1 = main_rssi_avg;
switch ((ant_conf.main_lna_conf << 4) | ant_conf.alt_lna_conf) {
- case (0x10): /* LNA2 A-B */
+ case 0x10: /* LNA2 A-B */
antcomb->main_conf = ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2;
antcomb->first_quick_scan_conf =
ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2;
antcomb->second_quick_scan_conf = ATH_ANT_DIV_COMB_LNA1;
break;
- case (0x20): /* LNA1 A-B */
+ case 0x20: /* LNA1 A-B */
antcomb->main_conf = ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2;
antcomb->first_quick_scan_conf =
ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2;
antcomb->second_quick_scan_conf = ATH_ANT_DIV_COMB_LNA2;
break;
- case (0x21): /* LNA1 LNA2 */
+ case 0x21: /* LNA1 LNA2 */
antcomb->main_conf = ATH_ANT_DIV_COMB_LNA2;
antcomb->first_quick_scan_conf =
ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2;
antcomb->second_quick_scan_conf =
ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2;
break;
- case (0x12): /* LNA2 LNA1 */
+ case 0x12: /* LNA2 LNA1 */
antcomb->main_conf = ATH_ANT_DIV_COMB_LNA1;
antcomb->first_quick_scan_conf =
ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2;
antcomb->second_quick_scan_conf =
ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2;
break;
- case (0x13): /* LNA2 A+B */
+ case 0x13: /* LNA2 A+B */
antcomb->main_conf = ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2;
antcomb->first_quick_scan_conf =
ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2;
antcomb->second_quick_scan_conf = ATH_ANT_DIV_COMB_LNA1;
break;
- case (0x23): /* LNA1 A+B */
+ case 0x23: /* LNA1 A+B */
antcomb->main_conf = ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2;
antcomb->first_quick_scan_conf =
ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2;
@@ -1324,65 +1326,148 @@ static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf,
/* Adjust the fast_div_bias based on main and alt lna conf */
switch ((ant_conf->main_lna_conf << 4) |
ant_conf->alt_lna_conf) {
- case (0x01): /* A-B LNA2 */
+ case 0x01: /* A-B LNA2 */
ant_conf->fast_div_bias = 0x3b;
break;
- case (0x02): /* A-B LNA1 */
+ case 0x02: /* A-B LNA1 */
ant_conf->fast_div_bias = 0x3d;
break;
- case (0x03): /* A-B A+B */
+ case 0x03: /* A-B A+B */
ant_conf->fast_div_bias = 0x1;
break;
- case (0x10): /* LNA2 A-B */
+ case 0x10: /* LNA2 A-B */
ant_conf->fast_div_bias = 0x7;
break;
- case (0x12): /* LNA2 LNA1 */
+ case 0x12: /* LNA2 LNA1 */
ant_conf->fast_div_bias = 0x2;
break;
- case (0x13): /* LNA2 A+B */
+ case 0x13: /* LNA2 A+B */
ant_conf->fast_div_bias = 0x7;
break;
- case (0x20): /* LNA1 A-B */
+ case 0x20: /* LNA1 A-B */
ant_conf->fast_div_bias = 0x6;
break;
- case (0x21): /* LNA1 LNA2 */
+ case 0x21: /* LNA1 LNA2 */
ant_conf->fast_div_bias = 0x0;
break;
- case (0x23): /* LNA1 A+B */
+ case 0x23: /* LNA1 A+B */
ant_conf->fast_div_bias = 0x6;
break;
- case (0x30): /* A+B A-B */
+ case 0x30: /* A+B A-B */
ant_conf->fast_div_bias = 0x1;
break;
- case (0x31): /* A+B LNA2 */
+ case 0x31: /* A+B LNA2 */
ant_conf->fast_div_bias = 0x3b;
break;
- case (0x32): /* A+B LNA1 */
+ case 0x32: /* A+B LNA1 */
ant_conf->fast_div_bias = 0x3d;
break;
default:
break;
}
+ } else if (ant_conf->div_group == 1) {
+ /* Adjust the fast_div_bias based on main and alt_lna_conf */
+ switch ((ant_conf->main_lna_conf << 4) |
+ ant_conf->alt_lna_conf) {
+ case 0x01: /* A-B LNA2 */
+ ant_conf->fast_div_bias = 0x1;
+ ant_conf->main_gaintb = 0;
+ ant_conf->alt_gaintb = 0;
+ break;
+ case 0x02: /* A-B LNA1 */
+ ant_conf->fast_div_bias = 0x1;
+ ant_conf->main_gaintb = 0;
+ ant_conf->alt_gaintb = 0;
+ break;
+ case 0x03: /* A-B A+B */
+ ant_conf->fast_div_bias = 0x1;
+ ant_conf->main_gaintb = 0;
+ ant_conf->alt_gaintb = 0;
+ break;
+ case 0x10: /* LNA2 A-B */
+ if (!(antcomb->scan) &&
+ (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO))
+ ant_conf->fast_div_bias = 0x3f;
+ else
+ ant_conf->fast_div_bias = 0x1;
+ ant_conf->main_gaintb = 0;
+ ant_conf->alt_gaintb = 0;
+ break;
+ case 0x12: /* LNA2 LNA1 */
+ ant_conf->fast_div_bias = 0x1;
+ ant_conf->main_gaintb = 0;
+ ant_conf->alt_gaintb = 0;
+ break;
+ case 0x13: /* LNA2 A+B */
+ if (!(antcomb->scan) &&
+ (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO))
+ ant_conf->fast_div_bias = 0x3f;
+ else
+ ant_conf->fast_div_bias = 0x1;
+ ant_conf->main_gaintb = 0;
+ ant_conf->alt_gaintb = 0;
+ break;
+ case 0x20: /* LNA1 A-B */
+ if (!(antcomb->scan) &&
+ (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO))
+ ant_conf->fast_div_bias = 0x3f;
+ else
+ ant_conf->fast_div_bias = 0x1;
+ ant_conf->main_gaintb = 0;
+ ant_conf->alt_gaintb = 0;
+ break;
+ case 0x21: /* LNA1 LNA2 */
+ ant_conf->fast_div_bias = 0x1;
+ ant_conf->main_gaintb = 0;
+ ant_conf->alt_gaintb = 0;
+ break;
+ case 0x23: /* LNA1 A+B */
+ if (!(antcomb->scan) &&
+ (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO))
+ ant_conf->fast_div_bias = 0x3f;
+ else
+ ant_conf->fast_div_bias = 0x1;
+ ant_conf->main_gaintb = 0;
+ ant_conf->alt_gaintb = 0;
+ break;
+ case 0x30: /* A+B A-B */
+ ant_conf->fast_div_bias = 0x1;
+ ant_conf->main_gaintb = 0;
+ ant_conf->alt_gaintb = 0;
+ break;
+ case 0x31: /* A+B LNA2 */
+ ant_conf->fast_div_bias = 0x1;
+ ant_conf->main_gaintb = 0;
+ ant_conf->alt_gaintb = 0;
+ break;
+ case 0x32: /* A+B LNA1 */
+ ant_conf->fast_div_bias = 0x1;
+ ant_conf->main_gaintb = 0;
+ ant_conf->alt_gaintb = 0;
+ break;
+ default:
+ break;
+ }
} else if (ant_conf->div_group == 2) {
/* Adjust the fast_div_bias based on main and alt_lna_conf */
switch ((ant_conf->main_lna_conf << 4) |
ant_conf->alt_lna_conf) {
- case (0x01): /* A-B LNA2 */
+ case 0x01: /* A-B LNA2 */
ant_conf->fast_div_bias = 0x1;
ant_conf->main_gaintb = 0;
ant_conf->alt_gaintb = 0;
break;
- case (0x02): /* A-B LNA1 */
+ case 0x02: /* A-B LNA1 */
ant_conf->fast_div_bias = 0x1;
ant_conf->main_gaintb = 0;
ant_conf->alt_gaintb = 0;
break;
- case (0x03): /* A-B A+B */
+ case 0x03: /* A-B A+B */
ant_conf->fast_div_bias = 0x1;
ant_conf->main_gaintb = 0;
ant_conf->alt_gaintb = 0;
break;
- case (0x10): /* LNA2 A-B */
+ case 0x10: /* LNA2 A-B */
if (!(antcomb->scan) &&
(alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO))
ant_conf->fast_div_bias = 0x1;
@@ -1391,12 +1476,12 @@ static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf,
ant_conf->main_gaintb = 0;
ant_conf->alt_gaintb = 0;
break;
- case (0x12): /* LNA2 LNA1 */
+ case 0x12: /* LNA2 LNA1 */
ant_conf->fast_div_bias = 0x1;
ant_conf->main_gaintb = 0;
ant_conf->alt_gaintb = 0;
break;
- case (0x13): /* LNA2 A+B */
+ case 0x13: /* LNA2 A+B */
if (!(antcomb->scan) &&
(alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO))
ant_conf->fast_div_bias = 0x1;
@@ -1405,7 +1490,7 @@ static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf,
ant_conf->main_gaintb = 0;
ant_conf->alt_gaintb = 0;
break;
- case (0x20): /* LNA1 A-B */
+ case 0x20: /* LNA1 A-B */
if (!(antcomb->scan) &&
(alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO))
ant_conf->fast_div_bias = 0x1;
@@ -1414,12 +1499,12 @@ static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf,
ant_conf->main_gaintb = 0;
ant_conf->alt_gaintb = 0;
break;
- case (0x21): /* LNA1 LNA2 */
+ case 0x21: /* LNA1 LNA2 */
ant_conf->fast_div_bias = 0x1;
ant_conf->main_gaintb = 0;
ant_conf->alt_gaintb = 0;
break;
- case (0x23): /* LNA1 A+B */
+ case 0x23: /* LNA1 A+B */
if (!(antcomb->scan) &&
(alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO))
ant_conf->fast_div_bias = 0x1;
@@ -1428,17 +1513,17 @@ static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf,
ant_conf->main_gaintb = 0;
ant_conf->alt_gaintb = 0;
break;
- case (0x30): /* A+B A-B */
+ case 0x30: /* A+B A-B */
ant_conf->fast_div_bias = 0x1;
ant_conf->main_gaintb = 0;
ant_conf->alt_gaintb = 0;
break;
- case (0x31): /* A+B LNA2 */
+ case 0x31: /* A+B LNA2 */
ant_conf->fast_div_bias = 0x1;
ant_conf->main_gaintb = 0;
ant_conf->alt_gaintb = 0;
break;
- case (0x32): /* A+B LNA1 */
+ case 0x32: /* A+B LNA1 */
ant_conf->fast_div_bias = 0x1;
ant_conf->main_gaintb = 0;
ant_conf->alt_gaintb = 0;
@@ -1446,9 +1531,7 @@ static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf,
default:
break;
}
-
}
-
}
/* Antenna diversity and combining */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 04:00:38 +0000