Signed-off-by: Rafał Miłecki <zajec5@xxxxxxxxx> --- drivers/net/wireless/b43/phy_n.c | 217 +++++++++++++++++++++++++++++++++++++- drivers/net/wireless/b43/phy_n.h | 1 + 2 files changed, 217 insertions(+), 1 deletions(-) diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index c5cb0f4..15a0b79 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -2420,6 +2420,221 @@ static void b43_nphy_tx_power_ctl_idle_tssi(struct b43_wldev *dev) nphy->pwr_ctl_info[1].idle_tssi_2g = (tmp >> 8) & 0xFF; } +/* http://bcm-v4.sipsolutions.net/PHY/N/TxPwrLimitToTbl */ +static void b43_nphy_tx_prepare_adjusted_power_table(struct b43_wldev *dev) +{ + struct b43_phy_n *nphy = dev->phy.n; + + u8 idx, delta; + u8 i, stf_mode; + + for (i = 0; i < 4; i++) + nphy->adj_pwr_tbl[i] = nphy->tx_power_offset[i]; + + for (stf_mode = 0; stf_mode < 4; stf_mode++) { + delta = 0; + switch (stf_mode) { + case 0: + if (dev->phy.is_40mhz && dev->phy.rev >= 5) { + idx = 68; + } else { + delta = 1; + idx = dev->phy.is_40mhz ? 52 : 4; + } + break; + case 1: + idx = dev->phy.is_40mhz ? 76 : 28; + break; + case 2: + idx = dev->phy.is_40mhz ? 84 : 36; + break; + case 3: + idx = dev->phy.is_40mhz ? 92 : 44; + break; + } + + for (i = 0; i < 20; i++) { + nphy->adj_pwr_tbl[4 + 4 * i + stf_mode] = + nphy->tx_power_offset[idx]; + if (i == 0) + idx += delta; + if (i == 14) + idx += 1 - delta; + if (i == 3 || i == 4 || i == 7 || i == 8 || i == 11 || + i == 13) + idx += 1; + } + } +} + +/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlSetup */ +static void b43_nphy_tx_power_ctl_setup(struct b43_wldev *dev) +{ + struct b43_phy_n *nphy = dev->phy.n; + struct ssb_sprom *sprom = dev->dev->bus_sprom; + + s16 a1[2], b0[2], b1[2]; + u8 idle[2]; + s8 target[2]; + s32 num, den, pwr; + u32 regval[64]; + + u16 freq = dev->phy.channel_freq; + u16 tmp; + u16 r; /* routing */ + u8 i, c; + + if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) { + b43_maskset32(dev, B43_MMIO_MACCTL, ~0, 0x200000); + b43_read32(dev, B43_MMIO_MACCTL); + udelay(1); + } + + if (nphy->hang_avoid) + b43_nphy_stay_in_carrier_search(dev, true); + + b43_phy_set(dev, B43_NPHY_TSSIMODE, B43_NPHY_TSSIMODE_EN); + if (dev->phy.rev >= 3) + b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD, + ~B43_NPHY_TXPCTL_CMD_PCTLEN & 0xFFFF); + else + b43_phy_set(dev, B43_NPHY_TXPCTL_CMD, + B43_NPHY_TXPCTL_CMD_PCTLEN); + + if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) + b43_maskset32(dev, B43_MMIO_MACCTL, ~0x200000, 0); + + if (sprom->revision < 4) { + idle[0] = nphy->pwr_ctl_info[0].idle_tssi_2g; + idle[1] = nphy->pwr_ctl_info[1].idle_tssi_2g; + target[0] = target[1] = 52; + a1[0] = a1[1] = -424; + b0[0] = b0[1] = 5612; + b1[0] = b1[1] = -1393; + } else { + if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { + for (c = 0; c < 2; c++) { + idle[c] = nphy->pwr_ctl_info[c].idle_tssi_2g; + target[c] = sprom->core_pwr_info[c].maxpwr_2g; + a1[c] = sprom->core_pwr_info[c].pa_2g[0]; + b0[c] = sprom->core_pwr_info[c].pa_2g[1]; + b1[c] = sprom->core_pwr_info[c].pa_2g[2]; + } + } else if (freq >= 4900 && freq < 5100) { + for (c = 0; c < 2; c++) { + idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g; + target[c] = sprom->core_pwr_info[c].maxpwr_5gl; + a1[c] = sprom->core_pwr_info[c].pa_5gl[0]; + b0[c] = sprom->core_pwr_info[c].pa_5gl[1]; + b1[c] = sprom->core_pwr_info[c].pa_5gl[2]; + } + } else if (freq >= 5100 && freq < 5500) { + for (c = 0; c < 2; c++) { + idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g; + target[c] = sprom->core_pwr_info[c].maxpwr_5g; + a1[c] = sprom->core_pwr_info[c].pa_5g[0]; + b0[c] = sprom->core_pwr_info[c].pa_5g[1]; + b1[c] = sprom->core_pwr_info[c].pa_5g[2]; + } + } else if (freq >= 5500) { + for (c = 0; c < 2; c++) { + idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g; + target[c] = sprom->core_pwr_info[c].maxpwr_5gh; + a1[c] = sprom->core_pwr_info[c].pa_5gh[0]; + b0[c] = sprom->core_pwr_info[c].pa_5gh[1]; + b1[c] = sprom->core_pwr_info[c].pa_5gh[2]; + } + } else { + idle[0] = nphy->pwr_ctl_info[0].idle_tssi_5g; + idle[1] = nphy->pwr_ctl_info[1].idle_tssi_5g; + target[0] = target[1] = 52; + a1[0] = a1[1] = -424; + b0[0] = b0[1] = 5612; + b1[0] = b1[1] = -1393; + } + } + /* target[0] = target[1] = nphy->tx_power_max; */ + + if (dev->phy.rev >= 3) { + if (sprom->fem.ghz2.tssipos) + b43_phy_set(dev, B43_NPHY_TXPCTL_ITSSI, 0x4000); + if (dev->phy.rev >= 7) { + for (c = 0; c < 2; c++) { + r = c ? 0x190 : 0x170; + if (b43_nphy_ipa(dev)) + b43_radio_write(dev, r + 0x9, (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ? 0xE : 0xC); + } + } else { + if (b43_nphy_ipa(dev)) { + tmp = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 0xC : 0xE; + b43_radio_write(dev, + B2056_TX0 | B2056_TX_TX_SSI_MUX, tmp); + b43_radio_write(dev, + B2056_TX1 | B2056_TX_TX_SSI_MUX, tmp); + } else { + b43_radio_write(dev, + B2056_TX0 | B2056_TX_TX_SSI_MUX, 0x11); + b43_radio_write(dev, + B2056_TX1 | B2056_TX_TX_SSI_MUX, 0x11); + } + } + } + + if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) { + b43_maskset32(dev, B43_MMIO_MACCTL, ~0, 0x200000); + b43_read32(dev, B43_MMIO_MACCTL); + udelay(1); + } + + if (dev->phy.rev >= 7) { + b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, + ~B43_NPHY_TXPCTL_CMD_INIT, 0x19); + b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT, + ~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x19); + } else { + b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, + ~B43_NPHY_TXPCTL_CMD_INIT, 0x40); + if (dev->phy.rev > 1) + b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT, + ~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x40); + } + + if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) + b43_maskset32(dev, B43_MMIO_MACCTL, ~0x200000, 0); + + b43_phy_write(dev, B43_NPHY_TXPCTL_N, + 0xF0 << B43_NPHY_TXPCTL_N_TSSID_SHIFT | + 3 << B43_NPHY_TXPCTL_N_NPTIL2_SHIFT); + b43_phy_write(dev, B43_NPHY_TXPCTL_ITSSI, + idle[0] << B43_NPHY_TXPCTL_ITSSI_0_SHIFT | + idle[1] << B43_NPHY_TXPCTL_ITSSI_1_SHIFT | + B43_NPHY_TXPCTL_ITSSI_BINF); + b43_phy_write(dev, B43_NPHY_TXPCTL_TPWR, + target[0] << B43_NPHY_TXPCTL_TPWR_0_SHIFT | + target[1] << B43_NPHY_TXPCTL_TPWR_1_SHIFT); + + for (c = 0; c < 2; c++) { + for (i = 0; i < 64; i++) { + num = 8 * (16 * b0[c] + b1[c] * i); + den = 32768 + a1[c] * i; + pwr = max((4 * num + den / 2) / den, -8); + if (dev->phy.rev < 3 && (i <= (31 - idle[c] + 1))) + pwr = max(pwr, target[c] + 1); + regval[i] = pwr; + } + b43_ntab_write_bulk(dev, B43_NTAB32(26 + c, 0), 64, regval); + } + + b43_nphy_tx_prepare_adjusted_power_table(dev); + /* + b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84, nphy->adj_pwr_tbl); + b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84, nphy->adj_pwr_tbl); + */ + + if (nphy->hang_avoid) + b43_nphy_stay_in_carrier_search(dev, false); +} + static void b43_nphy_tx_gain_table_upload(struct b43_wldev *dev) { struct b43_phy *phy = &dev->phy; @@ -4107,7 +4322,7 @@ int b43_phy_initn(struct b43_wldev *dev) b43_nphy_tx_power_ctrl(dev, false); b43_nphy_tx_power_fix(dev); b43_nphy_tx_power_ctl_idle_tssi(dev); - /* TODO N PHY TX Power Control Setup */ + b43_nphy_tx_power_ctl_setup(dev); b43_nphy_tx_gain_table_upload(dev); if (nphy->phyrxchain != 3) diff --git a/drivers/net/wireless/b43/phy_n.h b/drivers/net/wireless/b43/phy_n.h index 5de8f74..fd12b38 100644 --- a/drivers/net/wireless/b43/phy_n.h +++ b/drivers/net/wireless/b43/phy_n.h @@ -798,6 +798,7 @@ struct b43_phy_n { bool txpwrctrl; bool pwg_gain_5ghz; u8 tx_pwr_idx[2]; + s8 tx_power_offset[101]; u16 adj_pwr_tbl[84]; u16 txcal_bbmult; u16 txiqlocal_bestc[11]; -- 1.7.3.4 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
