diff options
Diffstat (limited to 'drivers/net/wireless/b43/phy_ht.c')
| -rw-r--r-- | drivers/net/wireless/b43/phy_ht.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/phy_ht.c b/drivers/net/wireless/b43/phy_ht.c index ae9cd2978060..5e098b844a60 100644 --- a/drivers/net/wireless/b43/phy_ht.c +++ b/drivers/net/wireless/b43/phy_ht.c @@ -557,6 +557,114 @@ static void b43_phy_ht_tx_power_ctl_idle_tssi(struct b43_wldev *dev) /* TODO */ } + +static void b43_phy_ht_tx_power_ctl_setup(struct b43_wldev *dev) +{ + struct b43_phy_ht *phy_ht = dev->phy.ht; + struct ssb_sprom *sprom = dev->dev->bus_sprom; + + u8 *idle = phy_ht->idle_tssi; + u8 target[3]; + s16 a1[3], b0[3], b1[3]; + + u16 freq = dev->phy.channel_freq; + int i, c; + + if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { + for (c = 0; c < 3; c++) { + 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 < 3; c++) { + 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 < 3; c++) { + 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 < 3; c++) { + 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 { + target[0] = target[1] = target[2] = 52; + a1[0] = a1[1] = a1[2] = -424; + b0[0] = b0[1] = b0[2] = 5612; + b1[0] = b1[1] = b1[2] = -1393; + } + + b43_phy_set(dev, B43_PHY_HT_TSSIMODE, B43_PHY_HT_TSSIMODE_EN); + b43_phy_mask(dev, B43_PHY_HT_TXPCTL_CMD_C1, + ~B43_PHY_HT_TXPCTL_CMD_C1_PCTLEN & 0xFFFF); + + /* TODO: Does it depend on sprom->fem.ghz2.tssipos? */ + b43_phy_set(dev, B43_PHY_HT_TXPCTL_IDLE_TSSI, 0x4000); + + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_CMD_C1, + ~B43_PHY_HT_TXPCTL_CMD_C1_INIT, 0x19); + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_CMD_C2, + ~B43_PHY_HT_TXPCTL_CMD_C2_INIT, 0x19); + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_CMD_C3, + ~B43_PHY_HT_TXPCTL_CMD_C3_INIT, 0x19); + + b43_phy_set(dev, B43_PHY_HT_TXPCTL_IDLE_TSSI, + B43_PHY_HT_TXPCTL_IDLE_TSSI_BINF); + + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_IDLE_TSSI, + ~B43_PHY_HT_TXPCTL_IDLE_TSSI_C1, + idle[0] << B43_PHY_HT_TXPCTL_IDLE_TSSI_C1_SHIFT); + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_IDLE_TSSI, + ~B43_PHY_HT_TXPCTL_IDLE_TSSI_C2, + idle[1] << B43_PHY_HT_TXPCTL_IDLE_TSSI_C2_SHIFT); + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_IDLE_TSSI2, + ~B43_PHY_HT_TXPCTL_IDLE_TSSI2_C3, + idle[2] << B43_PHY_HT_TXPCTL_IDLE_TSSI2_C3_SHIFT); + + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_N, ~B43_PHY_HT_TXPCTL_N_TSSID, + 0xf0); + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_N, ~B43_PHY_HT_TXPCTL_N_NPTIL2, + 0x3 << B43_PHY_HT_TXPCTL_N_NPTIL2_SHIFT); +#if 0 + /* TODO: what to mask/set? */ + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_CMD_C1, 0x800, 0) + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_CMD_C1, 0x400, 0) +#endif + + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_TARG_PWR, + ~B43_PHY_HT_TXPCTL_TARG_PWR_C1, + target[0] << B43_PHY_HT_TXPCTL_TARG_PWR_C1_SHIFT); + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_TARG_PWR, + ~B43_PHY_HT_TXPCTL_TARG_PWR_C2 & 0xFFFF, + target[1] << B43_PHY_HT_TXPCTL_TARG_PWR_C2_SHIFT); + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_TARG_PWR2, + ~B43_PHY_HT_TXPCTL_TARG_PWR2_C3, + target[2] << B43_PHY_HT_TXPCTL_TARG_PWR2_C3_SHIFT); + + for (c = 0; c < 3; c++) { + s32 num, den, pwr; + u32 regval[64]; + + 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); + regval[i] = pwr; + } + b43_httab_write_bulk(dev, B43_HTTAB16(26 + c, 0), 64, regval); + } +} #endif /************************************************** @@ -844,6 +952,7 @@ static int b43_phy_ht_op_init(struct b43_wldev *dev) #if 0 b43_phy_ht_tx_power_ctl(dev, false); b43_phy_ht_tx_power_ctl_idle_tssi(dev); + b43_phy_ht_tx_power_ctl_setup(dev); /* TODO */ b43_phy_ht_tx_power_ctl(dev, saved_tx_pwr_ctl); #endif |
