| /* |
| |
| Broadcom B43 wireless driver |
| IEEE 802.11g LP-PHY driver |
| |
| Copyright (c) 2008-2009 Michael Buesch <mb@bu3sch.de> |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; see the file COPYING. If not, write to |
| the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, |
| Boston, MA 02110-1301, USA. |
| |
| */ |
| |
| #include "b43.h" |
| #include "main.h" |
| #include "phy_lp.h" |
| #include "phy_common.h" |
| #include "tables_lpphy.h" |
| |
| |
| static int b43_lpphy_op_allocate(struct b43_wldev *dev) |
| { |
| struct b43_phy_lp *lpphy; |
| |
| lpphy = kzalloc(sizeof(*lpphy), GFP_KERNEL); |
| if (!lpphy) |
| return -ENOMEM; |
| dev->phy.lp = lpphy; |
| |
| return 0; |
| } |
| |
| static void b43_lpphy_op_prepare_structs(struct b43_wldev *dev) |
| { |
| struct b43_phy *phy = &dev->phy; |
| struct b43_phy_lp *lpphy = phy->lp; |
| |
| memset(lpphy, 0, sizeof(*lpphy)); |
| |
| //TODO |
| } |
| |
| static void b43_lpphy_op_free(struct b43_wldev *dev) |
| { |
| struct b43_phy_lp *lpphy = dev->phy.lp; |
| |
| kfree(lpphy); |
| dev->phy.lp = NULL; |
| } |
| |
| static void lpphy_table_init(struct b43_wldev *dev) |
| { |
| //TODO |
| } |
| |
| static void lpphy_baseband_rev0_1_init(struct b43_wldev *dev) |
| { |
| struct ssb_bus *bus = dev->dev->bus; |
| u16 tmp, tmp2; |
| |
| if (dev->phy.rev == 1 && |
| (bus->sprom.boardflags_hi & B43_BFH_FEM_BT)) { |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0xFFC0, 0x000A); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0x3F00, 0x0900); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xFFC0, 0x000A); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xC0FF, 0x0B00); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xFFC0, 0x000A); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xC0FF, 0x0400); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xFFC0, 0x000A); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xC0FF, 0x0B00); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_5, 0xFFC0, 0x000A); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_5, 0xC0FF, 0x0900); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_6, 0xFFC0, 0x000A); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_6, 0xC0FF, 0x0B00); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_7, 0xFFC0, 0x000A); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_7, 0xC0FF, 0x0900); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_8, 0xFFC0, 0x000A); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_8, 0xC0FF, 0x0B00); |
| } else if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ || |
| (bus->boardinfo.type == 0x048A) || ((dev->phy.rev == 0) && |
| (bus->sprom.boardflags_lo & B43_BFL_FEM))) { |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0xFFC0, 0x0001); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0xC0FF, 0x0400); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xFFC0, 0x0001); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xC0FF, 0x0500); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xFFC0, 0x0002); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xC0FF, 0x0800); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xFFC0, 0x0002); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xC0FF, 0x0A00); |
| } else if (dev->phy.rev == 1 || |
| (bus->sprom.boardflags_lo & B43_BFL_FEM)) { |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0xFFC0, 0x0004); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0xC0FF, 0x0800); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xFFC0, 0x0004); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xC0FF, 0x0C00); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xFFC0, 0x0002); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xC0FF, 0x0100); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xFFC0, 0x0002); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xC0FF, 0x0300); |
| } else { |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0xFFC0, 0x000A); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0xC0FF, 0x0900); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xFFC0, 0x000A); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xC0FF, 0x0B00); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xFFC0, 0x0006); |
| b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xC0FF, 0x0500); |
| 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) { |
| 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); |
| b43_phy_copy(dev, B43_LPPHY_TR_LOOKUP_8, B43_LPPHY_TR_LOOKUP_4); |
| } |
| if ((bus->sprom.boardflags_hi & B43_BFH_FEM_BT) && |
| (bus->chip_id == 0x5354) && |
| (bus->chip_package == SSB_CHIPPACK_BCM4712S)) { |
| 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); |
| b43_hf_write(dev, b43_hf_read(dev) | 0x0800ULL << 32); |
| } |
| if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { |
| b43_phy_set(dev, B43_LPPHY_LP_PHY_CTL, 0x8000); |
| b43_phy_set(dev, B43_LPPHY_CRSGAIN_CTL, 0x0040); |
| b43_phy_maskset(dev, B43_LPPHY_MINPWR_LEVEL, 0x00FF, 0xA400); |
| b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xF0FF, 0x0B00); |
| b43_phy_maskset(dev, B43_LPPHY_SYNCPEAKCNT, 0xFFF8, 0x0007); |
| b43_phy_maskset(dev, B43_LPPHY_DSSS_CONFIRM_CNT, 0xFFF8, 0x0003); |
| b43_phy_maskset(dev, B43_LPPHY_DSSS_CONFIRM_CNT, 0xFFC7, 0x0020); |
| b43_phy_mask(dev, B43_LPPHY_IDLEAFTERPKTRXTO, 0x00FF); |
| } else { /* 5GHz */ |
| b43_phy_mask(dev, B43_LPPHY_LP_PHY_CTL, 0x7FFF); |
| b43_phy_mask(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFBF); |
| } |
| if (dev->phy.rev == 1) { |
| tmp = b43_phy_read(dev, B43_LPPHY_CLIPCTRTHRESH); |
| tmp2 = (tmp & 0x03E0) >> 5; |
| tmp2 |= tmp << 5; |
| b43_phy_write(dev, B43_LPPHY_4C3, tmp2); |
| tmp = b43_phy_read(dev, B43_LPPHY_OFDMSYNCTHRESH0); |
| tmp2 = (tmp & 0x1F00) >> 8; |
| tmp2 |= tmp << 5; |
| b43_phy_write(dev, B43_LPPHY_4C4, tmp2); |
| tmp = b43_phy_read(dev, B43_LPPHY_VERYLOWGAINDB); |
| tmp2 = tmp & 0x00FF; |
| tmp2 |= tmp << 8; |
| b43_phy_write(dev, B43_LPPHY_4C5, tmp2); |
| } |
| } |
| |
| static void lpphy_baseband_rev2plus_init(struct b43_wldev *dev) |
| { |
| struct ssb_bus *bus = dev->dev->bus; |
| struct b43_phy_lp *lpphy = dev->phy.lp; |
| |
| b43_phy_write(dev, B43_LPPHY_AFE_DAC_CTL, 0x50); |
| b43_phy_write(dev, B43_LPPHY_AFE_CTL, 0x8800); |
| b43_phy_write(dev, B43_LPPHY_AFE_CTL_OVR, 0); |
| b43_phy_write(dev, B43_LPPHY_AFE_CTL_OVRVAL, 0); |
| b43_phy_write(dev, B43_LPPHY_RF_OVERRIDE_0, 0); |
| b43_phy_write(dev, B43_LPPHY_RF_OVERRIDE_2, 0); |
| b43_phy_write(dev, B43_PHY_OFDM(0xF9), 0); |
| b43_phy_write(dev, B43_LPPHY_TR_LOOKUP_1, 0); |
| b43_phy_set(dev, B43_LPPHY_ADC_COMPENSATION_CTL, 0x10); |
| b43_phy_maskset(dev, B43_LPPHY_OFDMSYNCTHRESH0, 0xFF00, 0x78); |
| b43_phy_maskset(dev, B43_LPPHY_DCOFFSETTRANSIENT, 0xF8FF, 0x200); |
| b43_phy_maskset(dev, B43_LPPHY_DCOFFSETTRANSIENT, 0xFF00, 0x7F); |
| b43_phy_maskset(dev, B43_LPPHY_GAINDIRECTMISMATCH, 0xFF0F, 0x40); |
| b43_phy_maskset(dev, B43_LPPHY_PREAMBLECONFIRMTO, 0xFF00, 0x2); |
| b43_phy_mask(dev, B43_LPPHY_CRSGAIN_CTL, ~0x4000); |
| b43_phy_mask(dev, B43_LPPHY_CRSGAIN_CTL, ~0x2000); |
| b43_phy_set(dev, B43_PHY_OFDM(0x10A), 0x1); |
| b43_phy_maskset(dev, B43_PHY_OFDM(0x10A), 0xFF01, 0x10); |
| b43_phy_maskset(dev, B43_PHY_OFDM(0xDF), 0xFF00, 0xF4); |
| b43_phy_maskset(dev, B43_PHY_OFDM(0xDF), 0x00FF, 0xF100); |
| b43_phy_write(dev, B43_LPPHY_CLIPTHRESH, 0x48); |
| b43_phy_maskset(dev, B43_LPPHY_HIGAINDB, 0xFF00, 0x46); |
| b43_phy_maskset(dev, B43_PHY_OFDM(0xE4), 0xFF00, 0x10); |
| 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_GAINDIRECTMISMATCH, 0xE0FF, 0x300); |
| b43_phy_maskset(dev, B43_LPPHY_HIGAINDB, 0x00FF, 0x2A00); |
| if ((bus->chip_id == 0x4325) && (bus->chip_rev == 0)) { |
| b43_phy_maskset(dev, B43_LPPHY_LOWGAINDB, 0x00FF, 0x2100); |
| b43_phy_maskset(dev, B43_LPPHY_VERYLOWGAINDB, 0xFF00, 0xA); |
| } else { |
| b43_phy_maskset(dev, B43_LPPHY_LOWGAINDB, 0x00FF, 0x1E00); |
| b43_phy_maskset(dev, B43_LPPHY_VERYLOWGAINDB, 0xFF00, 0xD); |
| } |
| b43_phy_maskset(dev, B43_PHY_OFDM(0xFE), 0xFFE0, 0x1F); |
| b43_phy_maskset(dev, B43_PHY_OFDM(0xFF), 0xFFE0, 0xC); |
| b43_phy_maskset(dev, B43_PHY_OFDM(0x100), 0xFF00, 0x19); |
| b43_phy_maskset(dev, B43_PHY_OFDM(0xFF), 0x03FF, 0x3C00); |
| b43_phy_maskset(dev, B43_PHY_OFDM(0xFE), 0xFC1F, 0x3E0); |
| b43_phy_maskset(dev, B43_PHY_OFDM(0xFF), 0xFFE0, 0xC); |
| b43_phy_maskset(dev, B43_PHY_OFDM(0x100), 0x00FF, 0x1900); |
| b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0x83FF, 0x5800); |
| b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0xFFE0, 0x12); |
| b43_phy_maskset(dev, B43_LPPHY_GAINMISMATCH, 0x0FFF, 0x9000); |
| |
| b43_lptab_write(dev, B43_LPTAB16(0x08, 0x14), 0); |
| b43_lptab_write(dev, B43_LPTAB16(0x08, 0x12), 0x40); |
| |
| if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { |
| b43_phy_set(dev, B43_LPPHY_CRSGAIN_CTL, 0x40); |
| b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xF0FF, 0xB00); |
| 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); |
| } else /* 5GHz */ |
| b43_phy_mask(dev, B43_LPPHY_CRSGAIN_CTL, ~0x40); |
| |
| b43_phy_maskset(dev, B43_LPPHY_CRS_ED_THRESH, 0xFF00, 0xB3); |
| b43_phy_maskset(dev, B43_LPPHY_CRS_ED_THRESH, 0x00FF, 0xAD00); |
| b43_phy_maskset(dev, B43_LPPHY_INPUT_PWRDB, 0xFF00, lpphy->rx_pwr_offset); |
| b43_phy_set(dev, B43_LPPHY_RESET_CTL, 0x44); |
| b43_phy_write(dev, B43_LPPHY_RESET_CTL, 0x80); |
| b43_phy_write(dev, B43_LPPHY_AFE_RSSI_CTL_0, 0xA954); |
| b43_phy_write(dev, B43_LPPHY_AFE_RSSI_CTL_1, |
| 0x2000 | ((u16)lpphy->rssi_gs << 10) | |
| ((u16)lpphy->rssi_vc << 4) | lpphy->rssi_vf); |
| } |
| |
| static void lpphy_baseband_init(struct b43_wldev *dev) |
| { |
| lpphy_table_init(dev); |
| if (dev->phy.rev >= 2) |
| lpphy_baseband_rev2plus_init(dev); |
| else |
| lpphy_baseband_rev0_1_init(dev); |
| } |
| |
| struct b2062_freqdata { |
| u16 freq; |
| u8 data[6]; |
| }; |
| |
| /* Initialize the 2062 radio. */ |
| static void lpphy_2062_init(struct b43_wldev *dev) |
| { |
| struct ssb_bus *bus = dev->dev->bus; |
| u32 crystalfreq, pdiv, tmp, ref; |
| unsigned int i; |
| const struct b2062_freqdata *fd = NULL; |
| |
| static const struct b2062_freqdata freqdata_tab[] = { |
| { .freq = 12000, .data[0] = 6, .data[1] = 6, .data[2] = 6, |
| .data[3] = 6, .data[4] = 10, .data[5] = 6, }, |
| { .freq = 13000, .data[0] = 4, .data[1] = 4, .data[2] = 4, |
| .data[3] = 4, .data[4] = 11, .data[5] = 7, }, |
| { .freq = 14400, .data[0] = 3, .data[1] = 3, .data[2] = 3, |
| .data[3] = 3, .data[4] = 12, .data[5] = 7, }, |
| { .freq = 16200, .data[0] = 3, .data[1] = 3, .data[2] = 3, |
| .data[3] = 3, .data[4] = 13, .data[5] = 8, }, |
| { .freq = 18000, .data[0] = 2, .data[1] = 2, .data[2] = 2, |
| .data[3] = 2, .data[4] = 14, .data[5] = 8, }, |
| { .freq = 19200, .data[0] = 1, .data[1] = 1, .data[2] = 1, |
| .data[3] = 1, .data[4] = 14, .data[5] = 9, }, |
| }; |
| |
| b2062_upload_init_table(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_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 (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) |
| b43_radio_set(dev, B2062_N_TSSI_CTL0, 0x1); |
| else |
| b43_radio_mask(dev, B2062_N_TSSI_CTL0, ~0x1); |
| |
| /* Get the crystal freq, in Hz. */ |
| crystalfreq = bus->chipco.pmu.crystalfreq * 1000; |
| |
| B43_WARN_ON(!(bus->chipco.capabilities & SSB_CHIPCO_CAP_PMU)); |
| B43_WARN_ON(crystalfreq == 0); |
| |
| if (crystalfreq >= 30000000) { |
| pdiv = 1; |
| b43_radio_mask(dev, B2062_S_RFPLL_CTL1, 0xFFFB); |
| } else { |
| pdiv = 2; |
| b43_radio_set(dev, B2062_S_RFPLL_CTL1, 0x4); |
| } |
| |
| tmp = (800000000 * pdiv + crystalfreq) / (32000000 * pdiv); |
| tmp = (tmp - 1) & 0xFF; |
| b43_radio_write(dev, B2062_S_RFPLL_CTL18, tmp); |
| |
| tmp = (2 * crystalfreq + 1000000 * pdiv) / (2000000 * pdiv); |
| tmp = ((tmp & 0xFF) - 1) & 0xFFFF; |
| b43_radio_write(dev, B2062_S_RFPLL_CTL19, tmp); |
| |
| ref = (1000 * pdiv + 2 * crystalfreq) / (2000 * pdiv); |
| ref &= 0xFFFF; |
| for (i = 0; i < ARRAY_SIZE(freqdata_tab); i++) { |
| if (ref < freqdata_tab[i].freq) { |
| fd = &freqdata_tab[i]; |
| break; |
| } |
| } |
| if (!fd) |
| fd = &freqdata_tab[ARRAY_SIZE(freqdata_tab) - 1]; |
| b43dbg(dev->wl, "b2062: Using crystal tab entry %u kHz.\n", |
| fd->freq); /* FIXME: Keep this printk until the code is fully debugged. */ |
| |
| b43_radio_write(dev, B2062_S_RFPLL_CTL8, |
| ((u16)(fd->data[1]) << 4) | fd->data[0]); |
| b43_radio_write(dev, B2062_S_RFPLL_CTL9, |
| ((u16)(fd->data[3]) << 4) | fd->data[2]); |
| b43_radio_write(dev, B2062_S_RFPLL_CTL10, fd->data[4]); |
| b43_radio_write(dev, B2062_S_RFPLL_CTL11, fd->data[5]); |
| } |
| |
| /* Initialize the 2063 radio. */ |
| static void lpphy_2063_init(struct b43_wldev *dev) |
| { |
| //TODO |
| } |
| |
| static void lpphy_sync_stx(struct b43_wldev *dev) |
| { |
| //TODO |
| } |
| |
| static void lpphy_radio_init(struct b43_wldev *dev) |
| { |
| /* The radio is attached through the 4wire bus. */ |
| b43_phy_set(dev, B43_LPPHY_FOURWIRE_CTL, 0x2); |
| udelay(1); |
| b43_phy_mask(dev, B43_LPPHY_FOURWIRE_CTL, 0xFFFD); |
| udelay(1); |
| |
| if (dev->phy.rev < 2) { |
| lpphy_2062_init(dev); |
| } else { |
| lpphy_2063_init(dev); |
| lpphy_sync_stx(dev); |
| b43_phy_write(dev, B43_PHY_OFDM(0xF0), 0x5F80); |
| b43_phy_write(dev, B43_PHY_OFDM(0xF1), 0); |
| //TODO Do something on the backplane |
| } |
| } |
| |
| /* Read the TX power control mode from hardware. */ |
| static void lpphy_read_tx_pctl_mode_from_hardware(struct b43_wldev *dev) |
| { |
| struct b43_phy_lp *lpphy = dev->phy.lp; |
| u16 ctl; |
| |
| ctl = b43_phy_read(dev, B43_LPPHY_TX_PWR_CTL_CMD); |
| switch (ctl & B43_LPPHY_TX_PWR_CTL_CMD_MODE) { |
| case B43_LPPHY_TX_PWR_CTL_CMD_MODE_OFF: |
| lpphy->txpctl_mode = B43_LPPHY_TXPCTL_OFF; |
| break; |
| case B43_LPPHY_TX_PWR_CTL_CMD_MODE_SW: |
| lpphy->txpctl_mode = B43_LPPHY_TXPCTL_SW; |
| break; |
| case B43_LPPHY_TX_PWR_CTL_CMD_MODE_HW: |
| lpphy->txpctl_mode = B43_LPPHY_TXPCTL_HW; |
| break; |
| default: |
| lpphy->txpctl_mode = B43_LPPHY_TXPCTL_UNKNOWN; |
| B43_WARN_ON(1); |
| break; |
| } |
| } |
| |
| /* Set the TX power control mode in hardware. */ |
| static void lpphy_write_tx_pctl_mode_to_hardware(struct b43_wldev *dev) |
| { |
| struct b43_phy_lp *lpphy = dev->phy.lp; |
| u16 ctl; |
| |
| switch (lpphy->txpctl_mode) { |
| case B43_LPPHY_TXPCTL_OFF: |
| ctl = B43_LPPHY_TX_PWR_CTL_CMD_MODE_OFF; |
| break; |
| case B43_LPPHY_TXPCTL_HW: |
| ctl = B43_LPPHY_TX_PWR_CTL_CMD_MODE_HW; |
| break; |
| case B43_LPPHY_TXPCTL_SW: |
| ctl = B43_LPPHY_TX_PWR_CTL_CMD_MODE_SW; |
| break; |
| default: |
| ctl = 0; |
| B43_WARN_ON(1); |
| } |
| b43_phy_maskset(dev, B43_LPPHY_TX_PWR_CTL_CMD, |
| (u16)~B43_LPPHY_TX_PWR_CTL_CMD_MODE, ctl); |
| } |
| |
| static void lpphy_set_tx_power_control(struct b43_wldev *dev, |
| enum b43_lpphy_txpctl_mode mode) |
| { |
| struct b43_phy_lp *lpphy = dev->phy.lp; |
| enum b43_lpphy_txpctl_mode oldmode; |
| |
| oldmode = lpphy->txpctl_mode; |
| lpphy_read_tx_pctl_mode_from_hardware(dev); |
| if (lpphy->txpctl_mode == mode) |
| return; |
| lpphy->txpctl_mode = mode; |
| |
| if (oldmode == B43_LPPHY_TXPCTL_HW) { |
| //TODO Update TX Power NPT |
| //TODO Clear all TX Power offsets |
| } else { |
| if (mode == B43_LPPHY_TXPCTL_HW) { |
| //TODO Recalculate target TX power |
| b43_phy_maskset(dev, B43_LPPHY_TX_PWR_CTL_CMD, |
| 0xFF80, lpphy->tssi_idx); |
| b43_phy_maskset(dev, B43_LPPHY_TX_PWR_CTL_NNUM, |
| 0x8FFF, ((u16)lpphy->tssi_npt << 16)); |
| //TODO Set "TSSI Transmit Count" variable to total transmitted frame count |
| //TODO Disable TX gain override |
| lpphy->tx_pwr_idx_over = -1; |
| } |
| } |
| if (dev->phy.rev >= 2) { |
| if (mode == B43_LPPHY_TXPCTL_HW) |
| b43_phy_maskset(dev, B43_PHY_OFDM(0xD0), 0xFD, 0x2); |
| else |
| b43_phy_maskset(dev, B43_PHY_OFDM(0xD0), 0xFD, 0); |
| } |
| lpphy_write_tx_pctl_mode_to_hardware(dev); |
| } |
| |
| static void lpphy_set_tx_power_by_index(struct b43_wldev *dev, u8 index) |
| { |
| struct b43_phy_lp *lpphy = dev->phy.lp; |
| |
| lpphy->tx_pwr_idx_over = index; |
| if (lpphy->txpctl_mode != B43_LPPHY_TXPCTL_OFF) |
| lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_SW); |
| |
| //TODO |
| } |
| |
| static void lpphy_btcoex_override(struct b43_wldev *dev) |
| { |
| b43_write16(dev, B43_MMIO_BTCOEX_CTL, 0x3); |
| b43_write16(dev, B43_MMIO_BTCOEX_TXCTL, 0xFF); |
| } |
| |
| static void lpphy_pr41573_workaround(struct b43_wldev *dev) |
| { |
| struct b43_phy_lp *lpphy = dev->phy.lp; |
| u32 *saved_tab; |
| const unsigned int saved_tab_size = 256; |
| enum b43_lpphy_txpctl_mode txpctl_mode; |
| s8 tx_pwr_idx_over; |
| u16 tssi_npt, tssi_idx; |
| |
| saved_tab = kcalloc(saved_tab_size, sizeof(saved_tab[0]), GFP_KERNEL); |
| if (!saved_tab) { |
| b43err(dev->wl, "PR41573 failed. Out of memory!\n"); |
| return; |
| } |
| |
| lpphy_read_tx_pctl_mode_from_hardware(dev); |
| txpctl_mode = lpphy->txpctl_mode; |
| tx_pwr_idx_over = lpphy->tx_pwr_idx_over; |
| tssi_npt = lpphy->tssi_npt; |
| tssi_idx = lpphy->tssi_idx; |
| |
| if (dev->phy.rev < 2) { |
| b43_lptab_read_bulk(dev, B43_LPTAB32(10, 0x140), |
| saved_tab_size, saved_tab); |
| } else { |
| b43_lptab_read_bulk(dev, B43_LPTAB32(7, 0x140), |
| saved_tab_size, saved_tab); |
| } |
| //TODO |
| |
| kfree(saved_tab); |
| } |
| |
| static void lpphy_calibration(struct b43_wldev *dev) |
| { |
| struct b43_phy_lp *lpphy = dev->phy.lp; |
| enum b43_lpphy_txpctl_mode saved_pctl_mode; |
| |
| b43_mac_suspend(dev); |
| |
| lpphy_btcoex_override(dev); |
| lpphy_read_tx_pctl_mode_from_hardware(dev); |
| saved_pctl_mode = lpphy->txpctl_mode; |
| lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_OFF); |
| //TODO Perform transmit power table I/Q LO calibration |
| if ((dev->phy.rev == 0) && (saved_pctl_mode != B43_LPPHY_TXPCTL_OFF)) |
| lpphy_pr41573_workaround(dev); |
| //TODO If a full calibration has not been performed on this channel yet, perform PAPD TX-power calibration |
| lpphy_set_tx_power_control(dev, saved_pctl_mode); |
| //TODO Perform I/Q calibration with a single control value set |
| |
| b43_mac_enable(dev); |
| } |
| |
| /* Initialize TX power control */ |
| static void lpphy_tx_pctl_init(struct b43_wldev *dev) |
| { |
| if (0/*FIXME HWPCTL capable */) { |
| //TODO |
| } else { /* This device is only software TX power control capable. */ |
| if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { |
| //TODO |
| } else { |
| //TODO |
| } |
| //TODO set BB multiplier to 0x0096 |
| } |
| } |
| |
| static int b43_lpphy_op_init(struct b43_wldev *dev) |
| { |
| /* TODO: band SPROM */ |
| lpphy_baseband_init(dev); |
| lpphy_radio_init(dev); |
| //TODO calibrate RC |
| //TODO set channel |
| lpphy_tx_pctl_init(dev); |
| //TODO full calib |
| |
| return 0; |
| } |
| |
| static u16 b43_lpphy_op_read(struct b43_wldev *dev, u16 reg) |
| { |
| b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); |
| return b43_read16(dev, B43_MMIO_PHY_DATA); |
| } |
| |
| static void b43_lpphy_op_write(struct b43_wldev *dev, u16 reg, u16 value) |
| { |
| b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); |
| b43_write16(dev, B43_MMIO_PHY_DATA, value); |
| } |
| |
| static u16 b43_lpphy_op_radio_read(struct b43_wldev *dev, u16 reg) |
| { |
| /* Register 1 is a 32-bit register. */ |
| B43_WARN_ON(reg == 1); |
| /* LP-PHY needs a special bit set for read access */ |
| if (dev->phy.rev < 2) { |
| if (reg != 0x4001) |
| reg |= 0x100; |
| } else |
| reg |= 0x200; |
| |
| b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg); |
| return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW); |
| } |
| |
| static void b43_lpphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value) |
| { |
| /* Register 1 is a 32-bit register. */ |
| B43_WARN_ON(reg == 1); |
| |
| b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg); |
| b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value); |
| } |
| |
| static void b43_lpphy_op_software_rfkill(struct b43_wldev *dev, |
| bool blocked) |
| { |
| //TODO |
| } |
| |
| static int b43_lpphy_op_switch_channel(struct b43_wldev *dev, |
| unsigned int new_channel) |
| { |
| //TODO |
| return 0; |
| } |
| |
| static unsigned int b43_lpphy_op_get_default_chan(struct b43_wldev *dev) |
| { |
| if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) |
| return 1; |
| return 36; |
| } |
| |
| static void b43_lpphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna) |
| { |
| //TODO |
| } |
| |
| static void b43_lpphy_op_adjust_txpower(struct b43_wldev *dev) |
| { |
| //TODO |
| } |
| |
| static enum b43_txpwr_result b43_lpphy_op_recalc_txpower(struct b43_wldev *dev, |
| bool ignore_tssi) |
| { |
| //TODO |
| return B43_TXPWR_RES_DONE; |
| } |
| |
| |
| const struct b43_phy_operations b43_phyops_lp = { |
| .allocate = b43_lpphy_op_allocate, |
| .free = b43_lpphy_op_free, |
| .prepare_structs = b43_lpphy_op_prepare_structs, |
| .init = b43_lpphy_op_init, |
| .phy_read = b43_lpphy_op_read, |
| .phy_write = b43_lpphy_op_write, |
| .radio_read = b43_lpphy_op_radio_read, |
| .radio_write = b43_lpphy_op_radio_write, |
| .software_rfkill = b43_lpphy_op_software_rfkill, |
| .switch_analog = b43_phyop_switch_analog_generic, |
| .switch_channel = b43_lpphy_op_switch_channel, |
| .get_default_chan = b43_lpphy_op_get_default_chan, |
| .set_rx_antenna = b43_lpphy_op_set_rx_antenna, |
| .recalc_txpower = b43_lpphy_op_recalc_txpower, |
| .adjust_txpower = b43_lpphy_op_adjust_txpower, |
| }; |