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authorRafał Miłecki <zajec5@gmail.com>2014-07-19 12:52:45 +0200
committerJohn W. Linville <linville@tuxdriver.com>2014-07-22 19:53:18 +0200
commit8b343c3d6b42a649c6f970cad503367896276b9d (patch)
treef15d2f65d428b5b35a324bde3849bb2d0ac762c3 /drivers/net/wireless/b43/phy_n.c
parentb43: N-PHY: allow applying separated workarounds per core (diff)
downloadlinux-8b343c3d6b42a649c6f970cad503367896276b9d.tar.xz
linux-8b343c3d6b42a649c6f970cad503367896276b9d.zip
b43: N-PHY: add rev7+ workarounds for radio revs 9 and 14
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/b43/phy_n.c')
-rw-r--r--drivers/net/wireless/b43/phy_n.c79
1 files changed, 77 insertions, 2 deletions
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index 376dcf955579..1052540c97f8 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -2722,9 +2722,9 @@ static void b43_nphy_workarounds_rev7plus(struct b43_wldev *dev)
u16 lpf_ofdm_20mhz[2], lpf_ofdm_40mhz[2], lpf_11b[2];
u16 bcap_val;
- u16 bcap_val_11b[2], bcap_val_11n_20[2], bcap_val_11n_40[2];
+ s16 bcap_val_11b[2], bcap_val_11n_20[2], bcap_val_11n_40[2];
u16 scap_val;
- u16 scap_val_11b[2], scap_val_11n_20[2], scap_val_11n_40[2];
+ s16 scap_val_11b[2], scap_val_11n_20[2], scap_val_11n_40[2];
bool rccal_ovrd = false;
u16 bias, conv, filt;
@@ -2799,6 +2799,8 @@ static void b43_nphy_workarounds_rev7plus(struct b43_wldev *dev)
scap_val = b43_radio_read(dev, R2057_RCCAL_SCAP_VAL);
if (b43_nphy_ipa(dev)) {
+ bool ghz2 = b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ;
+
switch (phy->radio_rev) {
case 5:
/* Check radio version (to be 0) by PHY rev for now */
@@ -2840,6 +2842,58 @@ static void b43_nphy_workarounds_rev7plus(struct b43_wldev *dev)
rccal_ovrd = true;
break;
+ case 9:
+ for (core = 0; core < 2; core++) {
+ bcap_val_11b[core] = bcap_val;
+ scap_val_11b[core] = scap_val;
+ lpf_11b[core] = 1;
+
+ if (ghz2) {
+ bcap_val_11n_20[core] = bcap_val + 13;
+ scap_val_11n_20[core] = scap_val + 15;
+ } else {
+ bcap_val_11n_20[core] = bcap_val + 14;
+ scap_val_11n_20[core] = scap_val + 15;
+ }
+ lpf_ofdm_20mhz[core] = 4;
+
+ if (ghz2) {
+ bcap_val_11n_40[core] = bcap_val - 7;
+ scap_val_11n_40[core] = scap_val - 5;
+ } else {
+ bcap_val_11n_40[core] = bcap_val + 2;
+ scap_val_11n_40[core] = scap_val + 4;
+ }
+ lpf_ofdm_40mhz[core] = 4;
+ }
+
+ rccal_ovrd = true;
+ break;
+ case 14:
+ for (core = 0; core < 2; core++) {
+ bcap_val_11b[core] = bcap_val;
+ scap_val_11b[core] = scap_val;
+ lpf_11b[core] = 1;
+ }
+
+ bcap_val_11n_20[0] = bcap_val + 20;
+ scap_val_11n_20[0] = scap_val + 20;
+ lpf_ofdm_20mhz[0] = 3;
+
+ bcap_val_11n_20[1] = bcap_val + 16;
+ scap_val_11n_20[1] = scap_val + 16;
+ lpf_ofdm_20mhz[1] = 3;
+
+ bcap_val_11n_40[0] = bcap_val + 20;
+ scap_val_11n_40[0] = scap_val + 20;
+ lpf_ofdm_40mhz[0] = 4;
+
+ bcap_val_11n_40[1] = bcap_val + 10;
+ scap_val_11n_40[1] = scap_val + 10;
+ lpf_ofdm_40mhz[1] = 4;
+
+ rccal_ovrd = true;
+ break;
}
} else {
if (phy->radio_rev == 5) {
@@ -2862,6 +2916,13 @@ static void b43_nphy_workarounds_rev7plus(struct b43_wldev *dev)
u8 rx2tx_lut_extra = 1;
for (core = 0; core < 2; core++) {
+ bcap_val_11b[core] = clamp_val(bcap_val_11b[core], 0, 0x1f);
+ scap_val_11b[core] = clamp_val(scap_val_11b[core], 0, 0x1f);
+ bcap_val_11n_20[core] = clamp_val(bcap_val_11n_20[core], 0, 0x1f);
+ scap_val_11n_20[core] = clamp_val(scap_val_11n_20[core], 0, 0x1f);
+ bcap_val_11n_40[core] = clamp_val(bcap_val_11n_40[core], 0, 0x1f);
+ scap_val_11n_40[core] = clamp_val(scap_val_11n_40[core], 0, 0x1f);
+
rx2tx_lut_20_11b[core] = (rx2tx_lut_extra << 13) |
(bcap_val_11b[core] << 8) |
(scap_val_11b[core] << 3) |
@@ -2982,6 +3043,20 @@ static void b43_nphy_workarounds_rev7plus(struct b43_wldev *dev)
b43_radio_write(dev, 0xE8, 0x16);
}
break;
+ case 14:
+ for (core = 0; core < 2; core++) {
+ int o = core ? 0x85 : 0;
+
+ b43_radio_write(dev, o + R2057_IPA2G_CASCONV_CORE0, 0x13);
+ b43_radio_write(dev, o + R2057_TXMIX2G_TUNE_BOOST_PU_CORE0, 0x21);
+ b43_radio_write(dev, o + R2057_IPA2G_BIAS_FILTER_CORE0, 0xff);
+ b43_radio_write(dev, o + R2057_PAD2G_IDACS_CORE0, 0x88);
+ b43_radio_write(dev, o + R2057_PAD2G_TUNE_PUS_CORE0, 0x23);
+ b43_radio_write(dev, o + R2057_IPA2G_IMAIN_CORE0, 0x16);
+ b43_radio_write(dev, o + R2057_PAD_BIAS_FILTER_BWS_CORE0, 0x3e);
+ b43_radio_write(dev, o + R2057_BACKUP1_CORE0, 0x10);
+ }
+ break;
}
} else {
u16 freq = phy->chandef->chan->center_freq;