Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history 
yaml
---
r: 247671
b: refs/heads/master
c: 3e9a212
h: refs/heads/master
i:
  247669: d67eedb
  247667: dc4197b
  247663: e671bba
v: v3
  • Loading branch information
Mohammed Shafi Shajakhan authored and John W. Linville committed May 16, 2011
1 parent fef0deb commit 2275ddd
Show file tree
Hide file tree
Showing 2 changed files with 132 additions and 44 deletions.
2 changes: 1 addition & 1 deletion [refs]
View file
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: b85c5734f00886ee0f33ef4d0038ed9a278eefce
refs/heads/master: 3e9a212a9e21266115bad2982016950fb2bf29c2
174 changes: 131 additions & 43 deletions trunk/drivers/net/wireless/ath/ath9k/recv.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -1317,49 +1317,138 @@ static void ath_select_ant_div_from_quick_scan(struct ath_ant_comb *antcomb,
}
}

static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf)
static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf,
struct ath_ant_comb *antcomb, int alt_ratio)
{
/* 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 = 0x3b;
break;
case (0x02): /* A-B LNA1 */
ant_conf->fast_div_bias = 0x3d;
break;
case (0x03): /* A-B A+B */
ant_conf->fast_div_bias = 0x1;
break;
case (0x10): /* LNA2 A-B */
ant_conf->fast_div_bias = 0x7;
break;
case (0x12): /* LNA2 LNA1 */
ant_conf->fast_div_bias = 0x2;
break;
case (0x13): /* LNA2 A+B */
ant_conf->fast_div_bias = 0x7;
break;
case (0x20): /* LNA1 A-B */
ant_conf->fast_div_bias = 0x6;
break;
case (0x21): /* LNA1 LNA2 */
ant_conf->fast_div_bias = 0x0;
break;
case (0x23): /* LNA1 A+B */
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 = 0x3b;
break;
case (0x32): /* A+B LNA1 */
ant_conf->fast_div_bias = 0x3d;
break;
default:
break;
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) |
ant_conf->alt_lna_conf) {
case (0x01): /* A-B LNA2 */
ant_conf->fast_div_bias = 0x3b;
break;
case (0x02): /* A-B LNA1 */
ant_conf->fast_div_bias = 0x3d;
break;
case (0x03): /* A-B A+B */
ant_conf->fast_div_bias = 0x1;
break;
case (0x10): /* LNA2 A-B */
ant_conf->fast_div_bias = 0x7;
break;
case (0x12): /* LNA2 LNA1 */
ant_conf->fast_div_bias = 0x2;
break;
case (0x13): /* LNA2 A+B */
ant_conf->fast_div_bias = 0x7;
break;
case (0x20): /* LNA1 A-B */
ant_conf->fast_div_bias = 0x6;
break;
case (0x21): /* LNA1 LNA2 */
ant_conf->fast_div_bias = 0x0;
break;
case (0x23): /* LNA1 A+B */
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 = 0x3b;
break;
case (0x32): /* A+B LNA1 */
ant_conf->fast_div_bias = 0x3d;
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 */
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 = 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) &&
(alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO))
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) &&
(alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO))
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) &&
(alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO))
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;
}

}

}

/* Antenna diversity and combining */
Expand Down Expand Up @@ -1585,8 +1674,7 @@ static void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs)
antcomb->quick_scan_cnt++;

div_comb_done:
ath_ant_div_conf_fast_divbias(&div_ant_conf);

ath_ant_div_conf_fast_divbias(&div_ant_conf, antcomb, alt_ratio);
ath9k_hw_antdiv_comb_conf_set(sc->sc_ah, &div_ant_conf);

antcomb->scan_start_time = jiffies;
Expand Down

0 comments on commit 2275ddd

Please sign in to comment.