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path: root/drivers/net/wireless/ath/ath9k/antenna.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/antenna.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/antenna.c117
1 files changed, 69 insertions, 48 deletions
diff --git a/drivers/net/wireless/ath/ath9k/antenna.c b/drivers/net/wireless/ath/ath9k/antenna.c
index bbcfeb3b2a6..664844c5d3d 100644
--- a/drivers/net/wireless/ath/ath9k/antenna.c
+++ b/drivers/net/wireless/ath/ath9k/antenna.c
@@ -311,6 +311,9 @@ static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf,
struct ath_ant_comb *antcomb,
int alt_ratio)
{
+ ant_conf->main_gaintb = 0;
+ ant_conf->alt_gaintb = 0;
+
if (ant_conf->div_group == 0) {
/* Adjust the fast_div_bias based on main and alt lna conf */
switch ((ant_conf->main_lna_conf << 4) |
@@ -360,18 +363,12 @@ static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf,
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) &&
@@ -379,13 +376,9 @@ static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf,
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) &&
@@ -393,8 +386,6 @@ static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf,
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) &&
@@ -402,13 +393,9 @@ static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf,
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) &&
@@ -416,23 +403,15 @@ static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf,
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;
@@ -443,18 +422,12 @@ static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf,
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) &&
@@ -462,13 +435,9 @@ static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf,
ant_conf->fast_div_bias = 0x1;
else
ant_conf->fast_div_bias = 0x2;
- 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) &&
@@ -476,8 +445,6 @@ static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf,
ant_conf->fast_div_bias = 0x1;
else
ant_conf->fast_div_bias = 0x2;
- ant_conf->main_gaintb = 0;
- ant_conf->alt_gaintb = 0;
break;
case 0x20: /* LNA1 A-B */
if (!(antcomb->scan) &&
@@ -485,13 +452,9 @@ static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf,
ant_conf->fast_div_bias = 0x1;
else
ant_conf->fast_div_bias = 0x2;
- 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) &&
@@ -499,23 +462,77 @@ static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf,
ant_conf->fast_div_bias = 0x1;
else
ant_conf->fast_div_bias = 0x2;
- 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 == 3) {
+ switch ((ant_conf->main_lna_conf << 4) |
+ ant_conf->alt_lna_conf) {
+ case 0x01: /* A-B LNA2 */
+ ant_conf->fast_div_bias = 0x1;
+ break;
+ case 0x02: /* A-B LNA1 */
+ ant_conf->fast_div_bias = 0x39;
+ break;
+ case 0x03: /* A-B A+B */
+ ant_conf->fast_div_bias = 0x1;
+ break;
+ case 0x10: /* LNA2 A-B */
+ if ((antcomb->scan == 0) &&
+ (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) {
+ ant_conf->fast_div_bias = 0x3f;
+ } else {
+ ant_conf->fast_div_bias = 0x1;
+ }
+ break;
+ case 0x12: /* LNA2 LNA1 */
+ ant_conf->fast_div_bias = 0x39;
+ break;
+ case 0x13: /* LNA2 A+B */
+ if ((antcomb->scan == 0) &&
+ (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) {
+ ant_conf->fast_div_bias = 0x3f;
+ } else {
+ ant_conf->fast_div_bias = 0x1;
+ }
+ break;
+ case 0x20: /* LNA1 A-B */
+ if ((antcomb->scan == 0) &&
+ (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) {
+ ant_conf->fast_div_bias = 0x3f;
+ } else {
+ ant_conf->fast_div_bias = 0x4;
+ }
+ break;
+ case 0x21: /* LNA1 LNA2 */
+ ant_conf->fast_div_bias = 0x6;
+ break;
+ case 0x23: /* LNA1 A+B */
+ if ((antcomb->scan == 0) &&
+ (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) {
+ ant_conf->fast_div_bias = 0x3f;
+ } else {
+ ant_conf->fast_div_bias = 0x6;
+ }
+ break;
+ case 0x30: /* A+B A-B */
+ ant_conf->fast_div_bias = 0x1;
+ break;
+ case 0x31: /* A+B LNA2 */
+ ant_conf->fast_div_bias = 0x6;
+ break;
+ case 0x32: /* A+B LNA1 */
+ ant_conf->fast_div_bias = 0x1;
break;
default:
break;
@@ -759,6 +776,7 @@ div_comb_done:
void ath_ant_comb_update(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
struct ath_hw_antcomb_conf div_ant_conf;
u8 lna_conf;
@@ -773,4 +791,7 @@ void ath_ant_comb_update(struct ath_softc *sc)
div_ant_conf.alt_lna_conf = lna_conf;
ath9k_hw_antdiv_comb_conf_set(ah, &div_ant_conf);
+
+ if (common->antenna_diversity)
+ ath9k_hw_antctrl_shared_chain_lnadiv(ah, true);
}
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 05:56:30 +0000