b43: N-PHY: add PHY rev7+ workarounds
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linux-mtd at lists.infradead.org
Sat Sep 29 10:59:14 EDT 2012
Gitweb: http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=d11d354b7b02aac09a20a8157bf990670f169f6f
Commit: d11d354b7b02aac09a20a8157bf990670f169f6f
Parent: fa0f2b38607e19a77096173a8d592cff6f10b32e
Author: Rafał Miłecki <zajec5 at gmail.com>
AuthorDate: Tue Jul 24 19:18:20 2012 +0200
Committer: John W. Linville <linville at tuxdriver.com>
CommitDate: Mon Aug 6 14:56:32 2012 -0400
b43: N-PHY: add PHY rev7+ workarounds
Signed-off-by: Rafał Miłecki <zajec5 at gmail.com>
Signed-off-by: John W. Linville <linville at tuxdriver.com>
---
drivers/net/wireless/b43/phy_n.c | 328 +++++++++++++++++++++++++++++++++++++-
1 files changed, 326 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index 40bb63d..e49d847 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -1860,12 +1860,334 @@ static void b43_nphy_gain_ctl_workarounds_rev1_2(struct b43_wldev *dev)
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/WorkaroundsGainCtrl */
static void b43_nphy_gain_ctl_workarounds(struct b43_wldev *dev)
{
- if (dev->phy.rev >= 3)
+ if (dev->phy.rev >= 7)
+ ; /* TODO */
+ else if (dev->phy.rev >= 3)
b43_nphy_gain_ctl_workarounds_rev3plus(dev);
else
b43_nphy_gain_ctl_workarounds_rev1_2(dev);
}
+/* http://bcm-v4.sipsolutions.net/PHY/N/Read_Lpf_Bw_Ctl */
+static u16 b43_nphy_read_lpf_ctl(struct b43_wldev *dev, u16 offset)
+{
+ if (!offset)
+ offset = (dev->phy.is_40mhz) ? 0x159 : 0x154;
+ return b43_ntab_read(dev, B43_NTAB16(7, offset)) & 0x7;
+}
+
+static void b43_nphy_workarounds_rev7plus(struct b43_wldev *dev)
+{
+ struct ssb_sprom *sprom = dev->dev->bus_sprom;
+ struct b43_phy *phy = &dev->phy;
+
+ u8 rx2tx_events_ipa[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0xF, 0x3,
+ 0x1F };
+ u8 rx2tx_delays_ipa[9] = { 8, 6, 6, 4, 4, 16, 43, 1, 1 };
+
+ u16 ntab7_15e_16e[] = { 0x10f, 0x10f };
+ u8 ntab7_138_146[] = { 0x11, 0x11 };
+ u8 ntab7_133[] = { 0x77, 0x11, 0x11 };
+
+ u16 lpf_20, lpf_40, lpf_11b;
+ u16 bcap_val, bcap_val_11b, bcap_val_11n_20, bcap_val_11n_40;
+ u16 scap_val, scap_val_11b, scap_val_11n_20, scap_val_11n_40;
+ bool rccal_ovrd = false;
+
+ u16 rx2tx_lut_20_11b, rx2tx_lut_20_11n, rx2tx_lut_40_11n;
+ u16 bias, conv, filt;
+
+ u32 tmp32;
+ u8 core;
+
+ if (phy->rev == 7) {
+ b43_phy_set(dev, B43_NPHY_FINERX2_CGC, 0x10);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN0, 0xFF80, 0x0020);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN0, 0x80FF, 0x2700);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN1, 0xFF80, 0x002E);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN1, 0x80FF, 0x3300);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN2, 0xFF80, 0x0037);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN2, 0x80FF, 0x3A00);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN3, 0xFF80, 0x003C);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN3, 0x80FF, 0x3E00);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN4, 0xFF80, 0x003E);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN4, 0x80FF, 0x3F00);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN5, 0xFF80, 0x0040);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN5, 0x80FF, 0x4000);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN6, 0xFF80, 0x0040);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN6, 0x80FF, 0x4000);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN7, 0xFF80, 0x0040);
+ b43_phy_maskset(dev, B43_NPHY_FREQGAIN7, 0x80FF, 0x4000);
+ }
+ if (phy->rev <= 8) {
+ b43_phy_write(dev, 0x23F, 0x1B0);
+ b43_phy_write(dev, 0x240, 0x1B0);
+ }
+ if (phy->rev >= 8)
+ b43_phy_maskset(dev, B43_NPHY_TXTAILCNT, ~0xFF, 0x72);
+
+ b43_ntab_write(dev, B43_NTAB16(8, 0x00), 2);
+ b43_ntab_write(dev, B43_NTAB16(8, 0x10), 2);
+ tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0));
+ tmp32 &= 0xffffff;
+ b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32);
+ b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x15e), 2, ntab7_15e_16e);
+ b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x16e), 2, ntab7_15e_16e);
+
+ if (b43_nphy_ipa(dev))
+ b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa,
+ rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa));
+
+ b43_phy_maskset(dev, 0x299, 0x3FFF, 0x4000);
+ b43_phy_maskset(dev, 0x29D, 0x3FFF, 0x4000);
+
+ lpf_20 = b43_nphy_read_lpf_ctl(dev, 0x154);
+ lpf_40 = b43_nphy_read_lpf_ctl(dev, 0x159);
+ lpf_11b = b43_nphy_read_lpf_ctl(dev, 0x152);
+ if (b43_nphy_ipa(dev)) {
+ if ((phy->radio_rev == 5 && phy->is_40mhz) ||
+ phy->radio_rev == 7 || phy->radio_rev == 8) {
+ bcap_val = b43_radio_read(dev, 0x16b);
+ scap_val = b43_radio_read(dev, 0x16a);
+ scap_val_11b = scap_val;
+ bcap_val_11b = bcap_val;
+ if (phy->radio_rev == 5 && phy->is_40mhz) {
+ scap_val_11n_20 = scap_val;
+ bcap_val_11n_20 = bcap_val;
+ scap_val_11n_40 = bcap_val_11n_40 = 0xc;
+ rccal_ovrd = true;
+ } else { /* Rev 7/8 */
+ lpf_20 = 4;
+ lpf_11b = 1;
+ if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
+ scap_val_11n_20 = 0xc;
+ bcap_val_11n_20 = 0xc;
+ scap_val_11n_40 = 0xa;
+ bcap_val_11n_40 = 0xa;
+ } else {
+ scap_val_11n_20 = 0x14;
+ bcap_val_11n_20 = 0x14;
+ scap_val_11n_40 = 0xf;
+ bcap_val_11n_40 = 0xf;
+ }
+ rccal_ovrd = true;
+ }
+ }
+ } else {
+ if (phy->radio_rev == 5) {
+ lpf_20 = 1;
+ lpf_40 = 3;
+ bcap_val = b43_radio_read(dev, 0x16b);
+ scap_val = b43_radio_read(dev, 0x16a);
+ scap_val_11b = scap_val;
+ bcap_val_11b = bcap_val;
+ scap_val_11n_20 = 0x11;
+ scap_val_11n_40 = 0x11;
+ bcap_val_11n_20 = 0x13;
+ bcap_val_11n_40 = 0x13;
+ rccal_ovrd = true;
+ }
+ }
+ if (rccal_ovrd) {
+ rx2tx_lut_20_11b = (bcap_val_11b << 8) |
+ (scap_val_11b << 3) |
+ lpf_11b;
+ rx2tx_lut_20_11n = (bcap_val_11n_20 << 8) |
+ (scap_val_11n_20 << 3) |
+ lpf_20;
+ rx2tx_lut_40_11n = (bcap_val_11n_40 << 8) |
+ (scap_val_11n_40 << 3) |
+ lpf_40;
+ for (core = 0; core < 2; core++) {
+ b43_ntab_write(dev, B43_NTAB16(7, 0x152 + core * 16),
+ rx2tx_lut_20_11b);
+ b43_ntab_write(dev, B43_NTAB16(7, 0x153 + core * 16),
+ rx2tx_lut_20_11n);
+ b43_ntab_write(dev, B43_NTAB16(7, 0x154 + core * 16),
+ rx2tx_lut_20_11n);
+ b43_ntab_write(dev, B43_NTAB16(7, 0x155 + core * 16),
+ rx2tx_lut_40_11n);
+ b43_ntab_write(dev, B43_NTAB16(7, 0x156 + core * 16),
+ rx2tx_lut_40_11n);
+ b43_ntab_write(dev, B43_NTAB16(7, 0x157 + core * 16),
+ rx2tx_lut_40_11n);
+ b43_ntab_write(dev, B43_NTAB16(7, 0x158 + core * 16),
+ rx2tx_lut_40_11n);
+ b43_ntab_write(dev, B43_NTAB16(7, 0x159 + core * 16),
+ rx2tx_lut_40_11n);
+ }
+ /* b43_nphy_rf_control_override_rev7(dev, 16, 1, 3, 0, 2); */
+ }
+ b43_phy_write(dev, 0x32F, 0x3);
+ if (phy->radio_rev == 4 || phy->radio_rev == 6)
+ ; /* b43_nphy_rf_control_override_rev7(dev, 4, 1, 3, 0, 0); */
+
+ if (phy->radio_rev == 3 || phy->radio_rev == 4 || phy->radio_rev == 6) {
+ if (sprom->revision &&
+ sprom->boardflags2_hi & B43_BFH2_IPALVLSHIFT_3P3) {
+ b43_radio_write(dev, 0x5, 0x05);
+ b43_radio_write(dev, 0x6, 0x30);
+ b43_radio_write(dev, 0x7, 0x00);
+ b43_radio_set(dev, 0x4f, 0x1);
+ b43_radio_set(dev, 0xd4, 0x1);
+ bias = 0x1f;
+ conv = 0x6f;
+ filt = 0xaa;
+ } else {
+ bias = 0x2b;
+ conv = 0x7f;
+ filt = 0xee;
+ }
+ if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
+ for (core = 0; core < 2; core++) {
+ if (core == 0) {
+ b43_radio_write(dev, 0x5F, bias);
+ b43_radio_write(dev, 0x64, conv);
+ b43_radio_write(dev, 0x66, filt);
+ } else {
+ b43_radio_write(dev, 0xE8, bias);
+ b43_radio_write(dev, 0xE9, conv);
+ b43_radio_write(dev, 0xEB, filt);
+ }
+ }
+ }
+ }
+
+ if (b43_nphy_ipa(dev)) {
+ if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
+ if (phy->radio_rev == 3 || phy->radio_rev == 4 ||
+ phy->radio_rev == 6) {
+ for (core = 0; core < 2; core++) {
+ if (core == 0)
+ b43_radio_write(dev, 0x51,
+ 0x7f);
+ else
+ b43_radio_write(dev, 0xd6,
+ 0x7f);
+ }
+ }
+ if (phy->radio_rev == 3) {
+ for (core = 0; core < 2; core++) {
+ if (core == 0) {
+ b43_radio_write(dev, 0x64,
+ 0x13);
+ b43_radio_write(dev, 0x5F,
+ 0x1F);
+ b43_radio_write(dev, 0x66,
+ 0xEE);
+ b43_radio_write(dev, 0x59,
+ 0x8A);
+ b43_radio_write(dev, 0x80,
+ 0x3E);
+ } else {
+ b43_radio_write(dev, 0x69,
+ 0x13);
+ b43_radio_write(dev, 0xE8,
+ 0x1F);
+ b43_radio_write(dev, 0xEB,
+ 0xEE);
+ b43_radio_write(dev, 0xDE,
+ 0x8A);
+ b43_radio_write(dev, 0x105,
+ 0x3E);
+ }
+ }
+ } else if (phy->radio_rev == 7 || phy->radio_rev == 8) {
+ if (!phy->is_40mhz) {
+ b43_radio_write(dev, 0x5F, 0x14);
+ b43_radio_write(dev, 0xE8, 0x12);
+ } else {
+ b43_radio_write(dev, 0x5F, 0x16);
+ b43_radio_write(dev, 0xE8, 0x16);
+ }
+ }
+ } else {
+ u16 freq = phy->channel_freq;
+ if ((freq >= 5180 && freq <= 5230) ||
+ (freq >= 5745 && freq <= 5805)) {
+ b43_radio_write(dev, 0x7D, 0xFF);
+ b43_radio_write(dev, 0xFE, 0xFF);
+ }
+ }
+ } else {
+ if (phy->radio_rev != 5) {
+ for (core = 0; core < 2; core++) {
+ if (core == 0) {
+ b43_radio_write(dev, 0x5c, 0x61);
+ b43_radio_write(dev, 0x51, 0x70);
+ } else {
+ b43_radio_write(dev, 0xe1, 0x61);
+ b43_radio_write(dev, 0xd6, 0x70);
+ }
+ }
+ }
+ }
+
+ if (phy->radio_rev == 4) {
+ b43_ntab_write(dev, B43_NTAB16(8, 0x05), 0x20);
+ b43_ntab_write(dev, B43_NTAB16(8, 0x15), 0x20);
+ for (core = 0; core < 2; core++) {
+ if (core == 0) {
+ b43_radio_write(dev, 0x1a1, 0x00);
+ b43_radio_write(dev, 0x1a2, 0x3f);
+ b43_radio_write(dev, 0x1a6, 0x3f);
+ } else {
+ b43_radio_write(dev, 0x1a7, 0x00);
+ b43_radio_write(dev, 0x1ab, 0x3f);
+ b43_radio_write(dev, 0x1ac, 0x3f);
+ }
+ }
+ } else {
+ b43_phy_set(dev, B43_NPHY_AFECTL_C1, 0x4);
+ b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x4);
+ b43_phy_set(dev, B43_NPHY_AFECTL_C2, 0x4);
+ b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4);
+
+ b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x1);
+ b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x1);
+ b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x1);
+ b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x1);
+ b43_ntab_write(dev, B43_NTAB16(8, 0x05), 0x20);
+ b43_ntab_write(dev, B43_NTAB16(8, 0x15), 0x20);
+
+ b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x4);
+ b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, ~0x4);
+ b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x4);
+ b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x4);
+ }
+
+ b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, 0x2);
+
+ b43_ntab_write(dev, B43_NTAB32(16, 0x100), 20);
+ b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x138), 2, ntab7_138_146);
+ b43_ntab_write(dev, B43_NTAB16(7, 0x141), 0x77);
+ b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x133), 3, ntab7_133);
+ b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x146), 2, ntab7_138_146);
+ b43_ntab_write(dev, B43_NTAB16(7, 0x123), 0x77);
+ b43_ntab_write(dev, B43_NTAB16(7, 0x12A), 0x77);
+
+ if (!phy->is_40mhz) {
+ b43_ntab_write(dev, B43_NTAB32(16, 0x03), 0x18D);
+ b43_ntab_write(dev, B43_NTAB32(16, 0x7F), 0x18D);
+ } else {
+ b43_ntab_write(dev, B43_NTAB32(16, 0x03), 0x14D);
+ b43_ntab_write(dev, B43_NTAB32(16, 0x7F), 0x14D);
+ }
+
+ b43_nphy_gain_ctl_workarounds(dev);
+
+ /* TODO
+ b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x08), 4,
+ aux_adc_vmid_rev7_core0);
+ b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x18), 4,
+ aux_adc_vmid_rev7_core1);
+ b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x0C), 4,
+ aux_adc_gain_rev7);
+ b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x1C), 4,
+ aux_adc_gain_rev7);
+ */
+}
+
static void b43_nphy_workarounds_rev3plus(struct b43_wldev *dev)
{
struct b43_phy_n *nphy = dev->phy.n;
@@ -2097,7 +2419,9 @@ static void b43_nphy_workarounds(struct b43_wldev *dev)
b43_phy_set(dev, B43_NPHY_IQFLIP,
B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);
- if (dev->phy.rev >= 3)
+ if (dev->phy.rev >= 7)
+ b43_nphy_workarounds_rev7plus(dev);
+ else if (dev->phy.rev >= 3)
b43_nphy_workarounds_rev3plus(dev);
else
b43_nphy_workarounds_rev1_2(dev);
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