X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=drivers%2Fnet%2Fwireless%2Fath%2Fath9k%2Frecv.c;h=70dc8ecdad4d7994caf7083dbe7e2cc1a9101f5b;hp=07e35e59c9e31fa8d9dbb1c6b086c4027e13e2c6;hb=951cc93a7493a81a47e20231441bc6cf17c98a37;hpb=1102c660dd35725a11c7ca9365c237f2f42f6b30

diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 07e35e59c9e3..70dc8ecdad4d 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 */