b43: LP-PHY: Update B2062 radio init with recent spec changes
[pandora-kernel.git] / drivers / net / wireless / b43 / phy_lp.c
index ce81920..faca56f 100644 (file)
@@ -204,8 +204,62 @@ static void lpphy_table_init(struct b43_wldev *dev)
 static void lpphy_baseband_rev0_1_init(struct b43_wldev *dev)
 {
        struct ssb_bus *bus = dev->dev->bus;
+       struct b43_phy_lp *lpphy = dev->phy.lp;
        u16 tmp, tmp2;
 
+       b43_phy_mask(dev, B43_LPPHY_AFE_DAC_CTL, 0xF7FF);
+       b43_phy_write(dev, B43_LPPHY_AFE_CTL, 0);
+       b43_phy_write(dev, B43_LPPHY_AFE_CTL_OVR, 0);
+       b43_phy_write(dev, B43_LPPHY_RF_OVERRIDE_0, 0);
+       b43_phy_write(dev, B43_LPPHY_RF_OVERRIDE_2, 0);
+       b43_phy_set(dev, B43_LPPHY_AFE_DAC_CTL, 0x0004);
+       b43_phy_maskset(dev, B43_LPPHY_OFDMSYNCTHRESH0, 0xFF00, 0x0078);
+       b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0x83FF, 0x5800);
+       b43_phy_write(dev, B43_LPPHY_ADC_COMPENSATION_CTL, 0x0016);
+       b43_phy_maskset(dev, B43_LPPHY_AFE_ADC_CTL_0, 0xFFF8, 0x0004);
+       b43_phy_maskset(dev, B43_LPPHY_VERYLOWGAINDB, 0x00FF, 0x5400);
+       b43_phy_maskset(dev, B43_LPPHY_HIGAINDB, 0x00FF, 0x2400);
+       b43_phy_maskset(dev, B43_LPPHY_LOWGAINDB, 0x00FF, 0x2100);
+       b43_phy_maskset(dev, B43_LPPHY_VERYLOWGAINDB, 0xFF00, 0x0006);
+       b43_phy_mask(dev, B43_LPPHY_RX_RADIO_CTL, 0xFFFE);
+       b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0xFFE0, 0x0005);
+       b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0xFC10, 0x0180);
+       b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0x83FF, 0x3800);
+       b43_phy_maskset(dev, B43_LPPHY_GAINDIRECTMISMATCH, 0xFFF0, 0x0005);
+       b43_phy_maskset(dev, B43_LPPHY_GAIN_MISMATCH_LIMIT, 0xFFC0, 0x001A);
+       b43_phy_maskset(dev, B43_LPPHY_CRS_ED_THRESH, 0xFF00, 0x00B3);
+       b43_phy_maskset(dev, B43_LPPHY_CRS_ED_THRESH, 0x00FF, 0xAD00);
+       b43_phy_maskset(dev, B43_LPPHY_INPUT_PWRDB,
+                       0xFF00, lpphy->rx_pwr_offset);
+       if ((bus->sprom.boardflags_lo & B43_BFL_FEM) &&
+          ((b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ||
+          (bus->sprom.boardflags_hi & B43_BFH_PAREF))) {
+               /* TODO:
+                * Set the LDO voltage to 0x0028 - FIXME: What is this?
+                * Call sb_pmu_set_ldo_voltage with 4 and the LDO voltage
+                *      as arguments
+                * Call sb_pmu_paref_ldo_enable with argument TRUE
+                */
+               if (dev->phy.rev == 0) {
+                       b43_phy_maskset(dev, B43_LPPHY_LP_RF_SIGNAL_LUT,
+                                       0xFFCF, 0x0010);
+               }
+               b43_lptab_write(dev, B43_LPTAB16(11, 7), 60);
+       } else {
+               //TODO: Call ssb_pmu_paref_ldo_enable with argument FALSE
+               b43_phy_maskset(dev, B43_LPPHY_LP_RF_SIGNAL_LUT,
+                               0xFFCF, 0x0020);
+               b43_lptab_write(dev, B43_LPTAB16(11, 7), 100);
+       }
+       tmp = lpphy->rssi_vf | lpphy->rssi_vc << 4 | 0xA000;
+       b43_phy_write(dev, B43_LPPHY_AFE_RSSI_CTL_0, tmp);
+       if (bus->sprom.boardflags_hi & B43_BFH_RSSIINV)
+               b43_phy_maskset(dev, B43_LPPHY_AFE_RSSI_CTL_1, 0xF000, 0x0AAA);
+       else
+               b43_phy_maskset(dev, B43_LPPHY_AFE_RSSI_CTL_1, 0xF000, 0x02AA);
+       b43_lptab_write(dev, B43_LPTAB16(11, 1), 24);
+       b43_phy_maskset(dev, B43_LPPHY_RX_RADIO_CTL,
+                       0xFFF9, (lpphy->bx_arch << 1));
        if (dev->phy.rev == 1 &&
           (bus->sprom.boardflags_hi & B43_BFH_FEM_BT)) {
                b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0xFFC0, 0x000A);
@@ -255,7 +309,7 @@ static void lpphy_baseband_rev0_1_init(struct b43_wldev *dev)
                b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xFFC0, 0x0006);
                b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xC0FF, 0x0700);
        }
-       if (dev->phy.rev == 1) {
+       if (dev->phy.rev == 1 && (bus->sprom.boardflags_hi & B43_BFH_PAREF)) {
                b43_phy_copy(dev, B43_LPPHY_TR_LOOKUP_5, B43_LPPHY_TR_LOOKUP_1);
                b43_phy_copy(dev, B43_LPPHY_TR_LOOKUP_6, B43_LPPHY_TR_LOOKUP_2);
                b43_phy_copy(dev, B43_LPPHY_TR_LOOKUP_7, B43_LPPHY_TR_LOOKUP_3);
@@ -267,6 +321,7 @@ static void lpphy_baseband_rev0_1_init(struct b43_wldev *dev)
                b43_phy_set(dev, B43_LPPHY_CRSGAIN_CTL, 0x0006);
                b43_phy_write(dev, B43_LPPHY_GPIO_SELECT, 0x0005);
                b43_phy_write(dev, B43_LPPHY_GPIO_OUTEN, 0xFFFF);
+               //FIXME the Broadcom driver caches & delays this HF write!
                b43_hf_write(dev, b43_hf_read(dev) | B43_HF_PR45960W);
        }
        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
@@ -384,7 +439,7 @@ static void lpphy_baseband_rev2plus_init(struct b43_wldev *dev)
        b43_phy_maskset(dev, B43_LPPHY_PWR_THRESH1, 0xFFF0, 0x9);
        b43_phy_mask(dev, B43_LPPHY_GAINDIRECTMISMATCH, ~0xF);
        b43_phy_maskset(dev, B43_LPPHY_VERYLOWGAINDB, 0x00FF, 0x5500);
-       b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0xF81F, 0xA0);
+       b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0xFC1F, 0xA0);
        b43_phy_maskset(dev, B43_LPPHY_GAINDIRECTMISMATCH, 0xE0FF, 0x300);
        b43_phy_maskset(dev, B43_LPPHY_HIGAINDB, 0x00FF, 0x2A00);
        if ((bus->chip_id == 0x4325) && (bus->chip_rev == 0)) {
@@ -405,7 +460,7 @@ static void lpphy_baseband_rev2plus_init(struct b43_wldev *dev)
        b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0xFFE0, 0x12);
        b43_phy_maskset(dev, B43_LPPHY_GAINMISMATCH, 0x0FFF, 0x9000);
 
-       if ((bus->chip_id == 0x4325) && (bus->chip_rev == 1)) {
+       if ((bus->chip_id == 0x4325) && (bus->chip_rev == 0)) {
                b43_lptab_write(dev, B43_LPTAB16(0x08, 0x14), 0);
                b43_lptab_write(dev, B43_LPTAB16(0x08, 0x12), 0x40);
        }
@@ -416,6 +471,7 @@ static void lpphy_baseband_rev2plus_init(struct b43_wldev *dev)
                b43_phy_maskset(dev, B43_LPPHY_SYNCPEAKCNT, 0xFFF8, 0x6);
                b43_phy_maskset(dev, B43_LPPHY_MINPWR_LEVEL, 0x00FF, 0x9D00);
                b43_phy_maskset(dev, B43_LPPHY_MINPWR_LEVEL, 0xFF00, 0xA1);
+               b43_phy_mask(dev, B43_LPPHY_IDLEAFTERPKTRXTO, 0x00FF);
        } else /* 5GHz */
                b43_phy_mask(dev, B43_LPPHY_CRSGAIN_CTL, ~0x40);
 
@@ -481,10 +537,15 @@ static void lpphy_2062_init(struct b43_wldev *dev)
        b43_radio_write(dev, B2062_N_TX_CTL3, 0);
        b43_radio_write(dev, B2062_N_TX_CTL4, 0);
        b43_radio_write(dev, B2062_N_TX_CTL5, 0);
+       b43_radio_write(dev, B2062_N_TX_CTL6, 0);
        b43_radio_write(dev, B2062_N_PDN_CTL0, 0x40);
        b43_radio_write(dev, B2062_N_PDN_CTL0, 0);
        b43_radio_write(dev, B2062_N_CALIB_TS, 0x10);
        b43_radio_write(dev, B2062_N_CALIB_TS, 0);
+       if (dev->phy.rev > 0) {
+               b43_radio_write(dev, B2062_S_BG_CTL1,
+                       (b43_radio_read(dev, B2062_N_COMM2) >> 1) | 0x80);
+       }
        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
                b43_radio_set(dev, B2062_N_TSSI_CTL0, 0x1);
        else
@@ -496,7 +557,7 @@ static void lpphy_2062_init(struct b43_wldev *dev)
        B43_WARN_ON(!(bus->chipco.capabilities & SSB_CHIPCO_CAP_PMU));
        B43_WARN_ON(crystalfreq == 0);
 
-       if (crystalfreq >= 30000000) {
+       if (crystalfreq <= 30000000) {
                lpphy->pdiv = 1;
                b43_radio_mask(dev, B2062_S_RFPLL_CTL1, 0xFFFB);
        } else {
@@ -504,14 +565,16 @@ static void lpphy_2062_init(struct b43_wldev *dev)
                b43_radio_set(dev, B2062_S_RFPLL_CTL1, 0x4);
        }
 
-       tmp = (800000000 * lpphy->pdiv + crystalfreq) /
-             (32000000 * lpphy->pdiv);
-       tmp = (tmp - 1) & 0xFF;
+       tmp = (((800000000 * lpphy->pdiv + crystalfreq) /
+             (2 * crystalfreq)) - 8) & 0xFF;
+       b43_radio_write(dev, B2062_S_RFPLL_CTL7, tmp);
+
+       tmp = (((100 * crystalfreq + 16000000 * lpphy->pdiv) /
+             (32000000 * lpphy->pdiv)) - 1) & 0xFF;
        b43_radio_write(dev, B2062_S_RFPLL_CTL18, tmp);
 
-       tmp = (2 * crystalfreq + 1000000 * lpphy->pdiv) /
-             (2000000 * lpphy->pdiv);
-       tmp = ((tmp & 0xFF) - 1) & 0xFFFF;
+       tmp = (((2 * crystalfreq + 1000000 * lpphy->pdiv) /
+             (2000000 * lpphy->pdiv)) - 1) & 0xFF;
        b43_radio_write(dev, B2062_S_RFPLL_CTL19, tmp);
 
        ref = (1000 * lpphy->pdiv + 2 * crystalfreq) / (2000 * lpphy->pdiv);
@@ -615,7 +678,7 @@ static void lpphy_radio_init(struct b43_wldev *dev)
        b43_phy_mask(dev, B43_LPPHY_FOURWIRE_CTL, 0xFFFD);
        udelay(1);
 
-       if (dev->phy.rev < 2) {
+       if (dev->phy.radio_ver == 0x2062) {
                lpphy_2062_init(dev);
        } else {
                lpphy_2063_init(dev);
@@ -632,11 +695,18 @@ struct lpphy_iq_est { u32 iq_prod, i_pwr, q_pwr; };
 
 static void lpphy_set_rc_cap(struct b43_wldev *dev)
 {
-       u8 rc_cap = dev->phy.lp->rc_cap;
+       struct b43_phy_lp *lpphy = dev->phy.lp;
+
+       u8 rc_cap = (lpphy->rc_cap & 0x1F) >> 1;
+
+       if (dev->phy.rev == 1) //FIXME check channel 14!
+               rc_cap = max_t(u8, rc_cap + 5, 15);
 
-       b43_radio_write(dev, B2062_N_RXBB_CALIB2, max_t(u8, rc_cap-4, 0x80));
-       b43_radio_write(dev, B2062_N_TX_CTL_A, ((rc_cap & 0x1F) >> 1) | 0x80);
-       b43_radio_write(dev, B2062_S_RXG_CNT16, ((rc_cap & 0x1F) >> 2) | 0x80);
+       b43_radio_write(dev, B2062_N_RXBB_CALIB2,
+                       max_t(u8, lpphy->rc_cap - 4, 0x80));
+       b43_radio_write(dev, B2062_N_TX_CTL_A, rc_cap | 0x80);
+       b43_radio_write(dev, B2062_S_RXG_CNT16,
+                       ((lpphy->rc_cap & 0x1F) >> 2) | 0x80);
 }
 
 static u8 lpphy_get_bb_mult(struct b43_wldev *dev)
@@ -747,7 +817,7 @@ static void lpphy_set_tx_gains(struct b43_wldev *dev,
                b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFF7F, 1 << 7);
                b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2, 0xBFFF, 1 << 14);
        }
-       b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFFBF, 1 << 4);
+       b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFFBF, 1 << 6);
 }
 
 static void lpphy_rev0_1_set_rx_gain(struct b43_wldev *dev, u32 gain)
@@ -1045,6 +1115,9 @@ static void lpphy_set_tx_power_control(struct b43_wldev *dev,
        lpphy_write_tx_pctl_mode_to_hardware(dev);
 }
 
+static int b43_lpphy_op_switch_channel(struct b43_wldev *dev,
+                                      unsigned int new_channel);
+
 static void lpphy_rev0_1_rc_calib(struct b43_wldev *dev)
 {
        struct b43_phy_lp *lpphy = dev->phy.lp;
@@ -1059,13 +1132,19 @@ static void lpphy_rev0_1_rc_calib(struct b43_wldev *dev)
        bool old_txg_ovr;
        u8 old_bbmult;
        u16 old_rf_ovr, old_rf_ovrval, old_afe_ovr, old_afe_ovrval,
-           old_rf2_ovr, old_rf2_ovrval, old_phy_ctl, old_txpctl;
+           old_rf2_ovr, old_rf2_ovrval, old_phy_ctl;
+       enum b43_lpphy_txpctl_mode old_txpctl;
        u32 normal_pwr, ideal_pwr, mean_sq_pwr, tmp = 0, mean_sq_pwr_min = 0;
-       int loopback, i, j, inner_sum;
+       int loopback, i, j, inner_sum, err;
 
        memset(&iq_est, 0, sizeof(iq_est));
 
-       b43_switch_channel(dev, 7);
+       err = b43_lpphy_op_switch_channel(dev, 7);
+       if (err) {
+               b43dbg(dev->wl,
+                      "RC calib: Failed to switch to channel 7, error = %d",
+                      err);
+       }
        old_txg_ovr = (b43_phy_read(dev, B43_LPPHY_AFE_CTL_OVR) >> 6) & 1;
        old_bbmult = lpphy_get_bb_mult(dev);
        if (old_txg_ovr)
@@ -1077,8 +1156,8 @@ static void lpphy_rev0_1_rc_calib(struct b43_wldev *dev)
        old_rf2_ovr = b43_phy_read(dev, B43_LPPHY_RF_OVERRIDE_2);
        old_rf2_ovrval = b43_phy_read(dev, B43_LPPHY_RF_OVERRIDE_2_VAL);
        old_phy_ctl = b43_phy_read(dev, B43_LPPHY_LP_PHY_CTL);
-       old_txpctl = b43_phy_read(dev, B43_LPPHY_TX_PWR_CTL_CMD) &
-                                       B43_LPPHY_TX_PWR_CTL_CMD_MODE;
+       lpphy_read_tx_pctl_mode_from_hardware(dev);
+       old_txpctl = lpphy->txpctl_mode;
 
        lpphy_set_tx_power_control(dev, B43_LPPHY_TX_PWR_CTL_CMD_MODE_OFF);
        lpphy_disable_crs(dev);
@@ -1824,14 +1903,14 @@ static int lpphy_b2062_tune(struct b43_wldev *dev,
 {
        struct b43_phy_lp *lpphy = dev->phy.lp;
        struct ssb_bus *bus = dev->dev->bus;
-       static const struct b206x_channel *chandata = NULL;
+       const struct b206x_channel *chandata = NULL;
        u32 crystal_freq = bus->chipco.pmu.crystalfreq * 1000;
        u32 tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7, tmp8, tmp9;
        int i, err = 0;
 
-       for (i = 0; i < ARRAY_SIZE(b2063_chantbl); i++) {
-               if (b2063_chantbl[i].channel == channel) {
-                       chandata = &b2063_chantbl[i];
+       for (i = 0; i < ARRAY_SIZE(b2062_chantbl); i++) {
+               if (b2062_chantbl[i].channel == channel) {
+                       chandata = &b2062_chantbl[i];
                        break;
                }
        }
@@ -1865,6 +1944,10 @@ static int lpphy_b2062_tune(struct b43_wldev *dev,
        tmp5 = tmp7 * 0x100;
        tmp6 = tmp5 / tmp4;
        tmp7 = tmp5 % tmp4;
+       b43_radio_write(dev, B2062_S_RFPLL_CTL27, tmp6);
+       tmp5 = tmp7 * 0x100;
+       tmp6 = tmp5 / tmp4;
+       tmp7 = tmp5 % tmp4;
        b43_radio_write(dev, B2062_S_RFPLL_CTL28, tmp6);
        tmp5 = tmp7 * 0x100;
        tmp6 = tmp5 / tmp4;
@@ -1872,7 +1955,7 @@ static int lpphy_b2062_tune(struct b43_wldev *dev,
        b43_radio_write(dev, B2062_S_RFPLL_CTL29, tmp6 + ((2 * tmp7) / tmp4));
        tmp8 = b43_phy_read(dev, B2062_S_RFPLL_CTL19);
        tmp9 = ((2 * tmp3 * (tmp8 + 1)) + (3 * tmp1)) / (6 * tmp1);
-       b43_radio_write(dev, B2062_S_RFPLL_CTL23, tmp9 >> 8);
+       b43_radio_write(dev, B2062_S_RFPLL_CTL23, (tmp9 >> 8) + 16);
        b43_radio_write(dev, B2062_S_RFPLL_CTL24, tmp9 & 0xFF);
 
        lpphy_b2062_vco_calib(dev);
@@ -1882,7 +1965,7 @@ static int lpphy_b2062_tune(struct b43_wldev *dev,
                lpphy_b2062_reset_pll_bias(dev);
                lpphy_b2062_vco_calib(dev);
                if (b43_radio_read(dev, B2062_S_RFPLL_CTL3) & 0x10)
-                       err = -EINVAL;
+                       err = -EIO;
        }
 
        b43_radio_mask(dev, B2062_S_RFPLL_CTL14, ~0x04);
@@ -2067,11 +2150,18 @@ static int b43_lpphy_op_switch_channel(struct b43_wldev *dev,
 
 static int b43_lpphy_op_init(struct b43_wldev *dev)
 {
+       int err;
+
        lpphy_read_band_sprom(dev); //FIXME should this be in prepare_structs?
        lpphy_baseband_init(dev);
        lpphy_radio_init(dev);
        lpphy_calibrate_rc(dev);
-       b43_lpphy_op_switch_channel(dev, b43_lpphy_op_get_default_chan(dev));
+       err = b43_lpphy_op_switch_channel(dev,
+                               b43_lpphy_op_get_default_chan(dev));
+       if (err) {
+               b43dbg(dev->wl, "Switch to init channel failed, error = %d.\n",
+                      err);
+       }
        lpphy_tx_pctl_init(dev);
        lpphy_calibration(dev);
        //TODO ACI init