/* Broadcom BCM43xx wireless driver Copyright (c) 2005 Martin Langer , Copyright (c) 2005, 2006 Stefano Brivio Copyright (c) 2005, 2006 Michael Buesch Copyright (c) 2005, 2006 Danny van Dyk Copyright (c) 2005, 2006 Andreas Jaggi 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 #include #include "bcm43xx.h" #include "bcm43xx_phy.h" #include "bcm43xx_main.h" #include "bcm43xx_tables.h" #include "bcm43xx_power.h" #include "bcm43xx_lo.h" static const s8 bcm43xx_tssi2dbm_b_table[] = { 0x4D, 0x4C, 0x4B, 0x4A, 0x4A, 0x49, 0x48, 0x47, 0x47, 0x46, 0x45, 0x45, 0x44, 0x43, 0x42, 0x42, 0x41, 0x40, 0x3F, 0x3E, 0x3D, 0x3C, 0x3B, 0x3A, 0x39, 0x38, 0x37, 0x36, 0x35, 0x34, 0x32, 0x31, 0x30, 0x2F, 0x2D, 0x2C, 0x2B, 0x29, 0x28, 0x26, 0x25, 0x23, 0x21, 0x1F, 0x1D, 0x1A, 0x17, 0x14, 0x10, 0x0C, 0x06, 0x00, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, -7, }; static const s8 bcm43xx_tssi2dbm_g_table[] = { 77, 77, 77, 76, 76, 76, 75, 75, 74, 74, 73, 73, 73, 72, 72, 71, 71, 70, 70, 69, 68, 68, 67, 67, 66, 65, 65, 64, 63, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 50, 49, 47, 45, 43, 40, 37, 33, 28, 22, 14, 5, -7, -20, -20, -20, -20, -20, -20, -20, -20, -20, -20, }; const u8 bcm43xx_radio_channel_codes_bg[] = { 12, 17, 22, 27, 32, 37, 42, 47, 52, 57, 62, 67, 72, 84, }; static void bcm43xx_phy_initg(struct bcm43xx_wldev *dev); /* Reverse the bits of a 4bit value. * Example: 1101 is flipped 1011 */ static u16 flip_4bit(u16 value) { u16 flipped = 0x0000; assert((value & ~0x000F) == 0x0000); flipped |= (value & 0x0001) << 3; flipped |= (value & 0x0002) << 1; flipped |= (value & 0x0004) >> 1; flipped |= (value & 0x0008) >> 3; return flipped; } static void generate_rfatt_list(struct bcm43xx_wldev *dev, struct bcm43xx_rfatt_list *list) { struct bcm43xx_phy *phy = &dev->phy; /* APHY.rev < 5 || GPHY.rev < 6 */ static const struct bcm43xx_rfatt rfatt_0[] = { { .att = 3, .with_padmix = 0, }, { .att = 1, .with_padmix = 0, }, { .att = 5, .with_padmix = 0, }, { .att = 7, .with_padmix = 0, }, { .att = 9, .with_padmix = 0, }, { .att = 2, .with_padmix = 0, }, { .att = 0, .with_padmix = 0, }, { .att = 4, .with_padmix = 0, }, { .att = 6, .with_padmix = 0, }, { .att = 8, .with_padmix = 0, }, { .att = 1, .with_padmix = 1, }, { .att = 2, .with_padmix = 1, }, { .att = 3, .with_padmix = 1, }, { .att = 4, .with_padmix = 1, }, }; /* Radio.rev == 8 && Radio.version == 0x2050 */ static const struct bcm43xx_rfatt rfatt_1[] = { { .att = 2, .with_padmix = 1, }, { .att = 4, .with_padmix = 1, }, { .att = 6, .with_padmix = 1, }, { .att = 8, .with_padmix = 1, }, { .att = 10, .with_padmix = 1, }, { .att = 12, .with_padmix = 1, }, { .att = 14, .with_padmix = 1, }, }; /* Otherwise */ static const struct bcm43xx_rfatt rfatt_2[] = { { .att = 0, .with_padmix = 1, }, { .att = 2, .with_padmix = 1, }, { .att = 4, .with_padmix = 1, }, { .att = 6, .with_padmix = 1, }, { .att = 8, .with_padmix = 1, }, { .att = 9, .with_padmix = 1, }, { .att = 9, .with_padmix = 1, }, }; if ((phy->type == BCM43xx_PHYTYPE_A && phy->rev < 5) || (phy->type == BCM43xx_PHYTYPE_G && phy->rev < 6)) { /* Software pctl */ list->list = rfatt_0; list->len = ARRAY_SIZE(rfatt_0); list->min_val = 0; list->max_val = 9; return; } if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) { /* Hardware pctl */ list->list = rfatt_1; list->len = ARRAY_SIZE(rfatt_1); list->min_val = 2; list->max_val = 14; return; } /* Hardware pctl */ list->list = rfatt_2; list->len = ARRAY_SIZE(rfatt_2); list->min_val = 0; list->max_val = 9; } static void generate_bbatt_list(struct bcm43xx_wldev *dev, struct bcm43xx_bbatt_list *list) { static const struct bcm43xx_bbatt bbatt_0[] = { { .att = 0, }, { .att = 1, }, { .att = 2, }, { .att = 3, }, { .att = 4, }, { .att = 5, }, { .att = 6, }, { .att = 7, }, { .att = 8, }, }; list->list = bbatt_0; list->len = ARRAY_SIZE(bbatt_0); list->min_val = 0; list->max_val = 8; } static void bcm43xx_shm_clear_tssi(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; switch (phy->type) { case BCM43xx_PHYTYPE_A: bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, 0x0068, 0x7F7F); bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, 0x006a, 0x7F7F); break; case BCM43xx_PHYTYPE_B: case BCM43xx_PHYTYPE_G: bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, 0x0058, 0x7F7F); bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, 0x005a, 0x7F7F); bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, 0x0070, 0x7F7F); bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, 0x0072, 0x7F7F); break; } } void bcm43xx_raw_phy_lock(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; assert(irqs_disabled()); if (bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD) == 0) { phy->locked = 0; return; } if (dev->dev->id.revision < 3) { bcm43xx_mac_suspend(dev); spin_lock(&phy->lock); } else { if (!bcm43xx_is_mode(dev->wl, IEEE80211_IF_TYPE_AP)) bcm43xx_power_saving_ctl_bits(dev, -1, 1); } phy->locked = 1; } void bcm43xx_raw_phy_unlock(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; assert(irqs_disabled()); if (dev->dev->id.revision < 3) { if (phy->locked) { spin_unlock(&phy->lock); bcm43xx_mac_enable(dev); } } else { if (!bcm43xx_is_mode(dev->wl, IEEE80211_IF_TYPE_AP)) bcm43xx_power_saving_ctl_bits(dev, -1, -1); } phy->locked = 0; } /* Different PHYs require different register routing flags. * This adjusts (and does sanity checks on) the routing flags. */ static inline u16 adjust_phyreg_for_phytype(struct bcm43xx_phy *phy, u16 offset) { if (phy->type == BCM43xx_PHYTYPE_A) { /* OFDM registers are base-registers for the A-PHY. */ offset &= ~BCM43xx_PHYROUTE_OFDM_GPHY; } if (offset & BCM43xx_PHYROUTE_EXT_GPHY) { /* Ext-G registers are only available on G-PHYs */ if (phy->type != BCM43xx_PHYTYPE_G) { dprintk(KERN_ERR PFX "EXT-G PHY access at " "0x%04X on %u type PHY\n", offset, phy->type); } } return offset; } u16 bcm43xx_phy_read(struct bcm43xx_wldev *dev, u16 offset) { struct bcm43xx_phy *phy = &dev->phy; offset = adjust_phyreg_for_phytype(phy, offset); bcm43xx_write16(dev, BCM43xx_MMIO_PHY_CONTROL, offset); return bcm43xx_read16(dev, BCM43xx_MMIO_PHY_DATA); } void bcm43xx_phy_write(struct bcm43xx_wldev *dev, u16 offset, u16 val) { struct bcm43xx_phy *phy = &dev->phy; offset = adjust_phyreg_for_phytype(phy, offset); bcm43xx_write16(dev, BCM43xx_MMIO_PHY_CONTROL, offset); mmiowb(); bcm43xx_write16(dev, BCM43xx_MMIO_PHY_DATA, val); } static void bcm43xx_radio_set_txpower_a(struct bcm43xx_wldev *dev, u16 txpower); /* Adjust the transmission power output (G-PHY) */ void bcm43xx_set_txpower_g(struct bcm43xx_wldev *dev, const struct bcm43xx_bbatt *bbatt, const struct bcm43xx_rfatt *rfatt, u8 tx_control) { struct bcm43xx_phy *phy = &dev->phy; struct bcm43xx_txpower_lo_control *lo = phy->lo_control; u16 bb, rf; u16 tx_bias, tx_magn; bb = bbatt->att; rf = rfatt->att; tx_bias = lo->tx_bias; tx_magn = lo->tx_magn; if (unlikely(tx_bias == 0xFF)) tx_bias = 0; /* Save the values for later */ phy->tx_control = tx_control; memcpy(&phy->rfatt, rfatt, sizeof(*rfatt)); memcpy(&phy->bbatt, bbatt, sizeof(*bbatt)); if (bcm43xx_debug(dev, BCM43xx_DBG_XMITPOWER)) { dprintk(KERN_DEBUG PFX "Tuning TX-power to bbatt(%u), " "rfatt(%u), tx_control(0x%02X), " "tx_bias(0x%02X), tx_magn(0x%02X)\n", bb, rf, tx_control, tx_bias, tx_magn); } bcm43xx_phy_set_baseband_attenuation(dev, bb); bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, BCM43xx_SHM_SH_RFATT, rf); if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) { bcm43xx_radio_write16(dev, 0x43, (rf & 0x000F) | (tx_control & 0x0070)); } else { bcm43xx_radio_write16(dev, 0x43, (bcm43xx_radio_read16(dev, 0x43) & 0xFFF0) | (rf & 0x000F)); bcm43xx_radio_write16(dev, 0x52, (bcm43xx_radio_read16(dev, 0x52) & ~0x0070) | (tx_control & 0x0070)); } if (has_tx_magnification(phy)) { bcm43xx_radio_write16(dev, 0x52, tx_magn | tx_bias); } else { bcm43xx_radio_write16(dev, 0x52, (bcm43xx_radio_read16(dev, 0x52) & 0xFFF0) | (tx_bias & 0x000F)); } if (phy->type == BCM43xx_PHYTYPE_G) bcm43xx_lo_g_adjust(dev); } static void default_baseband_attenuation(struct bcm43xx_wldev *dev, struct bcm43xx_bbatt *bb) { struct bcm43xx_phy *phy = &dev->phy; if (phy->radio_ver == 0x2050 && phy->radio_rev < 6) bb->att = 0; else bb->att = 2; } static void default_radio_attenuation(struct bcm43xx_wldev *dev, struct bcm43xx_rfatt *rf) { struct ssb_bus *bus = dev->dev->bus; struct bcm43xx_phy *phy = &dev->phy; rf->with_padmix = 0; if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM && bus->boardinfo.type == SSB_BOARD_BCM4309G) { if (bus->boardinfo.rev < 0x43) { rf->att = 2; return; } else if (bus->boardinfo.rev < 0x51) { rf->att = 3; return; } } if (phy->type == BCM43xx_PHYTYPE_A) { rf->att = 0x60; return; } switch (phy->radio_ver) { case 0x2053: switch (phy->radio_rev) { case 1: rf->att = 6; return; } break; case 0x2050: switch (phy->radio_rev) { case 0: rf->att = 5; return; case 1: if (phy->type == BCM43xx_PHYTYPE_G) { if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM && bus->boardinfo.type == SSB_BOARD_BCM4309G && bus->boardinfo.rev >= 30) rf->att = 3; else if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM && bus->boardinfo.type == SSB_BOARD_BU4306) rf->att = 3; else rf->att = 1; } else { if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM && bus->boardinfo.type == SSB_BOARD_BCM4309G && bus->boardinfo.rev >= 30) rf->att = 7; else rf->att = 6; } return; case 2: if (phy->type == BCM43xx_PHYTYPE_G) { if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM && bus->boardinfo.type == SSB_BOARD_BCM4309G && bus->boardinfo.rev >= 30) rf->att = 3; else if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM && bus->boardinfo.type == SSB_BOARD_BU4306) rf->att = 5; else if (bus->chip_id == 0x4320) rf->att = 4; else rf->att = 3; } else rf->att = 6; return; case 3: rf->att = 5; return; case 4: case 5: rf->att = 1; return; case 6: case 7: rf->att = 5; return; case 8: rf->att = 0xA; rf->with_padmix = 1; return; case 9: default: rf->att = 5; return; } } rf->att = 5; } static u16 default_tx_control(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; if (phy->radio_ver != 0x2050) return 0; if (phy->radio_rev == 1) return BCM43xx_TXCTL_PA2DB | BCM43xx_TXCTL_TXMIX; if (phy->radio_rev < 6) return BCM43xx_TXCTL_PA2DB; if (phy->radio_rev == 8) return BCM43xx_TXCTL_TXMIX; return 0; } /* This func is called "PHY calibrate" in the specs... */ void bcm43xx_phy_early_init(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; struct bcm43xx_txpower_lo_control *lo = phy->lo_control; default_baseband_attenuation(dev, &phy->bbatt); default_radio_attenuation(dev, &phy->rfatt); phy->tx_control = (default_tx_control(dev) << 4); bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD); /* Dummy read. */ if (phy->type == BCM43xx_PHYTYPE_B || phy->type == BCM43xx_PHYTYPE_G) { generate_rfatt_list(dev, &lo->rfatt_list); generate_bbatt_list(dev, &lo->bbatt_list); } if (phy->type == BCM43xx_PHYTYPE_G && phy->rev == 1) { /* Workaround: Temporarly disable gmode through the early init * phase, as the gmode stuff is not needed for phy rev 1 */ phy->gmode = 0; bcm43xx_wireless_core_reset(dev, 0); bcm43xx_phy_initg(dev); phy->gmode = 1; bcm43xx_wireless_core_reset(dev, BCM43xx_TMSLOW_GMODE); } } /* GPHY_TSSI_Power_Lookup_Table_Init */ static void bcm43xx_gphy_tssi_power_lt_init(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; int i; u16 value; for (i = 0; i < 32; i++) bcm43xx_ofdmtab_write16(dev, 0x3C20, i, phy->tssi2dbm[i]); for (i = 32; i < 64; i++) bcm43xx_ofdmtab_write16(dev, 0x3C00, i - 32, phy->tssi2dbm[i]); for (i = 0; i < 64; i += 2) { value = (u16)phy->tssi2dbm[i]; value |= ((u16)phy->tssi2dbm[i + 1]) << 8; bcm43xx_phy_write(dev, 0x380 + (i / 2), value); } } /* GPHY_Gain_Lookup_Table_Init */ static void bcm43xx_gphy_gain_lt_init(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; struct bcm43xx_txpower_lo_control *lo = phy->lo_control; u16 nr_written = 0; u16 tmp; u8 rf, bb; if (!lo->lo_measured) { bcm43xx_phy_write(dev, 0x3FF, 0); return; } for (rf = 0; rf < lo->rfatt_list.len; rf++) { for (bb = 0; bb < lo->bbatt_list.len; bb++) { if (nr_written >= 0x40) return; tmp = lo->bbatt_list.list[bb].att; tmp <<= 8; if (phy->radio_rev == 8) tmp |= 0x50; else tmp |= 0x40; tmp |= lo->rfatt_list.list[rf].att; bcm43xx_phy_write(dev, 0x3C0 + nr_written, tmp); nr_written++; } } } /* GPHY_DC_Lookup_Table */ void bcm43xx_gphy_dc_lt_init(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; struct bcm43xx_txpower_lo_control *lo = phy->lo_control; struct bcm43xx_loctl *loctl0; struct bcm43xx_loctl *loctl1; int i; int rf_offset, bb_offset; u16 tmp; for (i = 0; i < lo->rfatt_list.len + lo->bbatt_list.len; i += 2) { rf_offset = i / lo->rfatt_list.len; bb_offset = i % lo->rfatt_list.len; loctl0 = bcm43xx_get_lo_g_ctl(dev, &lo->rfatt_list.list[rf_offset], &lo->bbatt_list.list[bb_offset]); if (i + 1 < lo->rfatt_list.len * lo->bbatt_list.len) { rf_offset = (i + 1) / lo->rfatt_list.len; bb_offset = (i + 1) % lo->rfatt_list.len; loctl1 = bcm43xx_get_lo_g_ctl(dev, &lo->rfatt_list.list[rf_offset], &lo->bbatt_list.list[bb_offset]); } else loctl1 = loctl0; tmp = ((u16)loctl0->q & 0xF); tmp |= ((u16)loctl0->i & 0xF) << 4; tmp |= ((u16)loctl1->q & 0xF) << 8; tmp |= ((u16)loctl1->i & 0xF) << 12;//FIXME? bcm43xx_phy_write(dev, 0x3A0 + (i / 2), tmp); } } static void hardware_pctl_init_aphy(struct bcm43xx_wldev *dev) { //TODO } static void hardware_pctl_init_gphy(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; bcm43xx_phy_write(dev, 0x0036, (bcm43xx_phy_read(dev, 0x0036) & 0xFFC0) | (phy->tgt_idle_tssi - phy->cur_idle_tssi)); bcm43xx_phy_write(dev, 0x0478, (bcm43xx_phy_read(dev, 0x0478) & 0xFF00) | (phy->tgt_idle_tssi - phy->cur_idle_tssi)); bcm43xx_gphy_tssi_power_lt_init(dev); bcm43xx_gphy_gain_lt_init(dev); bcm43xx_phy_write(dev, 0x0060, bcm43xx_phy_read(dev, 0x0060) & 0xFFBF); bcm43xx_phy_write(dev, 0x0014, 0x0000); assert(phy->rev >= 6); bcm43xx_phy_write(dev, 0x0478, bcm43xx_phy_read(dev, 0x0478) | 0x0800); bcm43xx_phy_write(dev, 0x0478, bcm43xx_phy_read(dev, 0x0478) & 0xFEFF); bcm43xx_phy_write(dev, 0x0801, bcm43xx_phy_read(dev, 0x0801) & 0xFFBF); bcm43xx_gphy_dc_lt_init(dev); } /* HardwarePowerControl for A and G PHY. * This does nothing, if the card does not have HW PCTL */ static void bcm43xx_hardware_pctl_init(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; if (!has_hardware_pctl(phy)) return; if (phy->type == BCM43xx_PHYTYPE_A) { hardware_pctl_init_aphy(dev); return; } if (phy->type == BCM43xx_PHYTYPE_G) { hardware_pctl_init_gphy(dev); return; } assert(0); } static void bcm43xx_hardware_pctl_early_init(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; if (!has_hardware_pctl(phy)) { bcm43xx_phy_write(dev, 0x047A, 0xC111); return; } bcm43xx_phy_write(dev, 0x0036, bcm43xx_phy_read(dev, 0x0036) & 0xFEFF); bcm43xx_phy_write(dev, 0x002F, 0x0202); bcm43xx_phy_write(dev, 0x047C, bcm43xx_phy_read(dev, 0x047C) | 0x0002); bcm43xx_phy_write(dev, 0x047A, bcm43xx_phy_read(dev, 0x047A) | 0xF000); if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) { bcm43xx_phy_write(dev, 0x047A, (bcm43xx_phy_read(dev, 0x047A) & 0xFF0F) | 0x0010); bcm43xx_phy_write(dev, 0x005D, bcm43xx_phy_read(dev, 0x005D) | 0x8000); bcm43xx_phy_write(dev, 0x004E, (bcm43xx_phy_read(dev, 0x004E) & 0xFFC0) | 0x0010); bcm43xx_phy_write(dev, 0x002E, 0xC07F); bcm43xx_phy_write(dev, 0x0036, bcm43xx_phy_read(dev, 0x0036) | 0x0400); } else { bcm43xx_phy_write(dev, 0x0036, bcm43xx_phy_read(dev, 0x0036) | 0x0200); bcm43xx_phy_write(dev, 0x0036, bcm43xx_phy_read(dev, 0x0036) | 0x0400); bcm43xx_phy_write(dev, 0x005D, bcm43xx_phy_read(dev, 0x005D) & 0x7FFF); bcm43xx_phy_write(dev, 0x004F, bcm43xx_phy_read(dev, 0x004F) & 0xFFFE); bcm43xx_phy_write(dev, 0x004E, (bcm43xx_phy_read(dev, 0x004E) & 0xFFC0) | 0x0010); bcm43xx_phy_write(dev, 0x002E, 0xC07F); bcm43xx_phy_write(dev, 0x047A, (bcm43xx_phy_read(dev, 0x047A) & 0xFF0F) | 0x0010); } } /* Intialize B/G PHY power control * as described in http://bcm-specs.sipsolutions.net/InitPowerControl */ static void bcm43xx_phy_init_pctl(struct bcm43xx_wldev *dev) { struct ssb_bus *bus = dev->dev->bus; struct bcm43xx_phy *phy = &dev->phy; struct bcm43xx_rfatt old_rfatt; struct bcm43xx_bbatt old_bbatt; u8 old_tx_control = 0; if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) && (bus->boardinfo.type == SSB_BOARD_BU4306)) return; bcm43xx_phy_write(dev, 0x0028, 0x8018); /* This does something with the Analog... */ bcm43xx_write16(dev, BCM43xx_MMIO_PHY0, bcm43xx_read16(dev, BCM43xx_MMIO_PHY0) & 0xFFDF); if (phy->type == BCM43xx_PHYTYPE_G && !phy->gmode) return; bcm43xx_hardware_pctl_early_init(dev); if (phy->cur_idle_tssi == 0) { if (phy->radio_ver == 0x2050 && phy->analog == 0) { bcm43xx_radio_write16(dev, 0x0076, (bcm43xx_radio_read16(dev, 0x0076) & 0x00F7) | 0x0084); } else { struct bcm43xx_rfatt rfatt; struct bcm43xx_bbatt bbatt; memcpy(&old_rfatt, &phy->rfatt, sizeof(old_rfatt)); memcpy(&old_bbatt, &phy->bbatt, sizeof(old_bbatt)); old_tx_control = phy->tx_control; bbatt.att = 11; if (phy->radio_rev == 8) { rfatt.att = 15; rfatt.with_padmix = 1; } else { rfatt.att = 9; rfatt.with_padmix = 0; } bcm43xx_set_txpower_g(dev, &bbatt, &rfatt, 0); } bcm43xx_dummy_transmission(dev); phy->cur_idle_tssi = bcm43xx_phy_read(dev, BCM43xx_PHY_ITSSI); if (BCM43xx_DEBUG) { /* Current-Idle-TSSI sanity check. */ if (abs(phy->cur_idle_tssi - phy->tgt_idle_tssi) >= 20) { dprintk(KERN_ERR PFX "!WARNING! Idle-TSSI phy->cur_idle_tssi " "measuring failed. (cur=%d, tgt=%d). Disabling TX power " "adjustment.\n", phy->cur_idle_tssi, phy->tgt_idle_tssi); phy->cur_idle_tssi = 0; } } if (phy->radio_ver == 0x2050 && phy->analog == 0) { bcm43xx_radio_write16(dev, 0x0076, bcm43xx_radio_read16(dev, 0x0076) & 0xFF7B); } else { bcm43xx_set_txpower_g(dev, &old_bbatt, &old_rfatt, old_tx_control); } } bcm43xx_hardware_pctl_init(dev); bcm43xx_shm_clear_tssi(dev); } static void bcm43xx_phy_agcsetup(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; u16 offset = 0x0000; if (phy->rev == 1) offset = 0x4C00; bcm43xx_ofdmtab_write16(dev, offset, 0, 0x00FE); bcm43xx_ofdmtab_write16(dev, offset, 1, 0x000D); bcm43xx_ofdmtab_write16(dev, offset, 2, 0x0013); bcm43xx_ofdmtab_write16(dev, offset, 3, 0x0019); if (phy->rev == 1) { bcm43xx_ofdmtab_write16(dev, 0x1800, 0, 0x2710); bcm43xx_ofdmtab_write16(dev, 0x1801, 0, 0x9B83); bcm43xx_ofdmtab_write16(dev, 0x1802, 0, 0x9B83); bcm43xx_ofdmtab_write16(dev, 0x1803, 0, 0x0F8D); bcm43xx_phy_write(dev, 0x0455, 0x0004); } bcm43xx_phy_write(dev, 0x04A5, (bcm43xx_phy_read(dev, 0x04A5) & 0x00FF) | 0x5700); bcm43xx_phy_write(dev, 0x041A, (bcm43xx_phy_read(dev, 0x041A) & 0xFF80) | 0x000F); bcm43xx_phy_write(dev, 0x041A, (bcm43xx_phy_read(dev, 0x041A) & 0xC07F) | 0x2B80); bcm43xx_phy_write(dev, 0x048C, (bcm43xx_phy_read(dev, 0x048C) & 0xF0FF) | 0x0300); bcm43xx_radio_write16(dev, 0x007A, bcm43xx_radio_read16(dev, 0x007A) | 0x0008); bcm43xx_phy_write(dev, 0x04A0, (bcm43xx_phy_read(dev, 0x04A0) & 0xFFF0) | 0x0008); bcm43xx_phy_write(dev, 0x04A1, (bcm43xx_phy_read(dev, 0x04A1) & 0xF0FF) | 0x0600); bcm43xx_phy_write(dev, 0x04A2, (bcm43xx_phy_read(dev, 0x04A2) & 0xF0FF) | 0x0700); bcm43xx_phy_write(dev, 0x04A0, (bcm43xx_phy_read(dev, 0x04A0) & 0xF0FF) | 0x0100); if (phy->rev == 1) { bcm43xx_phy_write(dev, 0x04A2, (bcm43xx_phy_read(dev, 0x04A2) & 0xFFF0) | 0x0007); } bcm43xx_phy_write(dev, 0x0488, (bcm43xx_phy_read(dev, 0x0488) & 0xFF00) | 0x001C); bcm43xx_phy_write(dev, 0x0488, (bcm43xx_phy_read(dev, 0x0488) & 0xC0FF) | 0x0200); bcm43xx_phy_write(dev, 0x0496, (bcm43xx_phy_read(dev, 0x0496) & 0xFF00) | 0x001C); bcm43xx_phy_write(dev, 0x0489, (bcm43xx_phy_read(dev, 0x0489) & 0xFF00) | 0x0020); bcm43xx_phy_write(dev, 0x0489, (bcm43xx_phy_read(dev, 0x0489) & 0xC0FF) | 0x0200); bcm43xx_phy_write(dev, 0x0482, (bcm43xx_phy_read(dev, 0x0482) & 0xFF00) | 0x002E); bcm43xx_phy_write(dev, 0x0496, (bcm43xx_phy_read(dev, 0x0496) & 0x00FF) | 0x1A00); bcm43xx_phy_write(dev, 0x0481, (bcm43xx_phy_read(dev, 0x0481) & 0xFF00) | 0x0028); bcm43xx_phy_write(dev, 0x0481, (bcm43xx_phy_read(dev, 0x0481) & 0x00FF) | 0x2C00); if (phy->rev == 1) { bcm43xx_phy_write(dev, 0x0430, 0x092B); bcm43xx_phy_write(dev, 0x041B, (bcm43xx_phy_read(dev, 0x041B) & 0xFFE1) | 0x0002); } else { bcm43xx_phy_write(dev, 0x041B, bcm43xx_phy_read(dev, 0x041B) & 0xFFE1); bcm43xx_phy_write(dev, 0x041F, 0x287A); bcm43xx_phy_write(dev, 0x0420, (bcm43xx_phy_read(dev, 0x0420) & 0xFFF0) | 0x0004); } if (phy->rev >= 6) { bcm43xx_phy_write(dev, 0x0422, 0x287A); bcm43xx_phy_write(dev, 0x0420, (bcm43xx_phy_read(dev, 0x0420) & 0x0FFF) | 0x3000); } bcm43xx_phy_write(dev, 0x04A8, (bcm43xx_phy_read(dev, 0x04A8) & 0x8080) | 0x7874); bcm43xx_phy_write(dev, 0x048E, 0x1C00); offset = 0x0800; if (phy->rev == 1) { offset = 0x5400; bcm43xx_phy_write(dev, 0x04AB, (bcm43xx_phy_read(dev, 0x04AB) & 0xF0FF) | 0x0600); bcm43xx_phy_write(dev, 0x048B, 0x005E); bcm43xx_phy_write(dev, 0x048C, (bcm43xx_phy_read(dev, 0x048C) & 0xFF00) | 0x001E); bcm43xx_phy_write(dev, 0x048D, 0x0002); } bcm43xx_ofdmtab_write16(dev, offset, 0, 0x00); bcm43xx_ofdmtab_write16(dev, offset, 1, 0x07); bcm43xx_ofdmtab_write16(dev, offset, 2, 0x10); bcm43xx_ofdmtab_write16(dev, offset, 3, 0x1C); if (phy->rev >= 6) { bcm43xx_phy_write(dev, 0x0426, bcm43xx_phy_read(dev, 0x0426) & 0xFFFC); bcm43xx_phy_write(dev, 0x0426, bcm43xx_phy_read(dev, 0x0426) & 0xEFFF); } } static void bcm43xx_phy_setupg(struct bcm43xx_wldev *dev) { struct ssb_bus *bus = dev->dev->bus; struct bcm43xx_phy *phy = &dev->phy; u16 i; assert(phy->type == BCM43xx_PHYTYPE_G); if (phy->rev == 1) { bcm43xx_phy_write(dev, 0x0406, 0x4F19); bcm43xx_phy_write(dev, BCM43xx_PHY_G_CRS, (bcm43xx_phy_read(dev, BCM43xx_PHY_G_CRS) & 0xFC3F) | 0x0340); bcm43xx_phy_write(dev, 0x042C, 0x005A); bcm43xx_phy_write(dev, 0x0427, 0x001A); for (i = 0; i < BCM43xx_TAB_FINEFREQG_SIZE; i++) bcm43xx_ofdmtab_write16(dev, 0x5800, i, bcm43xx_tab_finefreqg[i]); for (i = 0; i < BCM43xx_TAB_NOISEG1_SIZE; i++) bcm43xx_ofdmtab_write16(dev, 0x1800, i, bcm43xx_tab_noiseg1[i]); for (i = 0; i < BCM43xx_TAB_ROTOR_SIZE; i++) bcm43xx_ofdmtab_write16(dev, 0x2000, i, bcm43xx_tab_rotor[i]); } else { /* nrssi values are signed 6-bit values. Not sure why we write 0x7654 here... */ bcm43xx_nrssi_hw_write(dev, 0xBA98, (s16)0x7654); if (phy->rev == 2) { bcm43xx_phy_write(dev, 0x04C0, 0x1861); bcm43xx_phy_write(dev, 0x04C1, 0x0271); } else if (phy->rev > 2) { bcm43xx_phy_write(dev, 0x04C0, 0x0098); bcm43xx_phy_write(dev, 0x04C1, 0x0070); bcm43xx_phy_write(dev, 0x04C9, 0x0080); } bcm43xx_phy_write(dev, 0x042B, bcm43xx_phy_read(dev, 0x042B) | 0x800); for (i = 0; i < 64; i++) bcm43xx_ofdmtab_write16(dev, 0x4000, i, i); for (i = 0; i < BCM43xx_TAB_NOISEG2_SIZE; i++) bcm43xx_ofdmtab_write16(dev, 0x1800, i, bcm43xx_tab_noiseg2[i]); } if (phy->rev <= 2) for (i = 0; i < BCM43xx_TAB_NOISESCALEG_SIZE; i++) bcm43xx_ofdmtab_write16(dev, 0x1400, i, bcm43xx_tab_noisescaleg1[i]); else if ((phy->rev >= 7) && (bcm43xx_phy_read(dev, 0x0449) & 0x0200)) for (i = 0; i < BCM43xx_TAB_NOISESCALEG_SIZE; i++) bcm43xx_ofdmtab_write16(dev, 0x1400, i, bcm43xx_tab_noisescaleg3[i]); else for (i = 0; i < BCM43xx_TAB_NOISESCALEG_SIZE; i++) bcm43xx_ofdmtab_write16(dev, 0x1400, i, bcm43xx_tab_noisescaleg2[i]); if (phy->rev == 2) for (i = 0; i < BCM43xx_TAB_SIGMASQR_SIZE; i++) bcm43xx_ofdmtab_write16(dev, 0x5000, i, bcm43xx_tab_sigmasqr1[i]); else if ((phy->rev > 2) && (phy->rev <= 8)) for (i = 0; i < BCM43xx_TAB_SIGMASQR_SIZE; i++) bcm43xx_ofdmtab_write16(dev, 0x5000, i, bcm43xx_tab_sigmasqr2[i]); if (phy->rev == 1) { for (i = 0; i < BCM43xx_TAB_RETARD_SIZE; i++) bcm43xx_ofdmtab_write32(dev, 0x2400, i, bcm43xx_tab_retard[i]); for (i = 4; i < 20; i++) bcm43xx_ofdmtab_write16(dev, 0x5400, i, 0x0020); bcm43xx_phy_agcsetup(dev); if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) && (bus->boardinfo.type == SSB_BOARD_BU4306) && (bus->boardinfo.rev == 0x17)) return; bcm43xx_ofdmtab_write16(dev, 0x5001, 0, 0x0002); bcm43xx_ofdmtab_write16(dev, 0x5002, 0, 0x0001); } else { for (i = 0; i < 0x20; i++) bcm43xx_ofdmtab_write16(dev, 0x1000, i, 0x0820); bcm43xx_phy_agcsetup(dev); bcm43xx_phy_read(dev, 0x0400); /* dummy read */ bcm43xx_phy_write(dev, 0x0403, 0x1000); bcm43xx_ofdmtab_write16(dev, 0x3C02, 0, 0x000F); bcm43xx_ofdmtab_write16(dev, 0x3C03, 0, 0x0014); if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) && (bus->boardinfo.type == SSB_BOARD_BU4306) && (bus->boardinfo.rev == 0x17)) return; bcm43xx_ofdmtab_write16(dev, 0x0401, 0, 0x0002); bcm43xx_ofdmtab_write16(dev, 0x0402, 0, 0x0001); } } /* Initialize the noisescaletable for APHY */ static void bcm43xx_phy_init_noisescaletbl(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; int i; for (i = 0; i < 12; i++) { if (phy->rev == 2) bcm43xx_ofdmtab_write16(dev, 0x1400, i, 0x6767); else bcm43xx_ofdmtab_write16(dev, 0x1400, i, 0x2323); } if (phy->rev == 2) bcm43xx_ofdmtab_write16(dev, 0x1400, i, 0x6700); else bcm43xx_ofdmtab_write16(dev, 0x1400, i, 0x2300); for (i = 0; i < 11; i++) { if (phy->rev == 2) bcm43xx_ofdmtab_write16(dev, 0x1400, i, 0x6767); else bcm43xx_ofdmtab_write16(dev, 0x1400, i, 0x2323); } if (phy->rev == 2) bcm43xx_ofdmtab_write16(dev, 0x1400, i, 0x0067); else bcm43xx_ofdmtab_write16(dev, 0x1400, i, 0x0023); } static void bcm43xx_phy_setupa(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; u16 i; assert(phy->type == BCM43xx_PHYTYPE_A); switch (phy->rev) { case 2: bcm43xx_phy_write(dev, 0x008E, 0x3800); bcm43xx_phy_write(dev, 0x0035, 0x03FF); bcm43xx_phy_write(dev, 0x0036, 0x0400); bcm43xx_ofdmtab_write16(dev, 0x3807, 0, 0x0051); bcm43xx_phy_write(dev, 0x001C, 0x0FF9); bcm43xx_phy_write(dev, 0x0020, bcm43xx_phy_read(dev, 0x0020) & 0xFF0F); bcm43xx_ofdmtab_write16(dev, 0x3C0C, 0, 0x07BF); bcm43xx_radio_write16(dev, 0x0002, 0x07BF); bcm43xx_phy_write(dev, 0x0024, 0x4680); bcm43xx_phy_write(dev, 0x0020, 0x0003); bcm43xx_phy_write(dev, 0x001D, 0x0F40); bcm43xx_phy_write(dev, 0x001F, 0x1C00); bcm43xx_phy_write(dev, 0x002A, (bcm43xx_phy_read(dev, 0x002A) & 0x00FF) | 0x0400); bcm43xx_phy_write(dev, 0x002B, bcm43xx_phy_read(dev, 0x002B) & 0xFBFF); bcm43xx_phy_write(dev, 0x008E, 0x58C1); bcm43xx_ofdmtab_write16(dev, 0x0803, 0, 0x000F); bcm43xx_ofdmtab_write16(dev, 0x0804, 0, 0x001F); bcm43xx_ofdmtab_write16(dev, 0x0805, 0, 0x002A); bcm43xx_ofdmtab_write16(dev, 0x0805, 0, 0x0030); bcm43xx_ofdmtab_write16(dev, 0x0807, 0, 0x003A); bcm43xx_ofdmtab_write16(dev, 0x0000, 0, 0x0013); bcm43xx_ofdmtab_write16(dev, 0x0000, 1, 0x0013); bcm43xx_ofdmtab_write16(dev, 0x0000, 2, 0x0013); bcm43xx_ofdmtab_write16(dev, 0x0000, 3, 0x0013); bcm43xx_ofdmtab_write16(dev, 0x0000, 4, 0x0015); bcm43xx_ofdmtab_write16(dev, 0x0000, 5, 0x0015); bcm43xx_ofdmtab_write16(dev, 0x0000, 6, 0x0019); bcm43xx_ofdmtab_write16(dev, 0x0404, 0, 0x0003); bcm43xx_ofdmtab_write16(dev, 0x0405, 0, 0x0003); bcm43xx_ofdmtab_write16(dev, 0x0406, 0, 0x0007); for (i = 0; i < 16; i++) bcm43xx_ofdmtab_write16(dev, 0x4000, i, (0x8 + i) & 0x000F); bcm43xx_ofdmtab_write16(dev, 0x3003, 0, 0x1044); bcm43xx_ofdmtab_write16(dev, 0x3004, 0, 0x7201); bcm43xx_ofdmtab_write16(dev, 0x3006, 0, 0x0040); bcm43xx_ofdmtab_write16(dev, 0x3001, 0, (bcm43xx_ofdmtab_read16(dev, 0x3001, 0) & 0x0010) | 0x0008); for (i = 0; i < BCM43xx_TAB_FINEFREQA_SIZE; i++) bcm43xx_ofdmtab_write16(dev, 0x5800, i, bcm43xx_tab_finefreqa[i]); for (i = 0; i < BCM43xx_TAB_NOISEA2_SIZE; i++) bcm43xx_ofdmtab_write16(dev, 0x1800, i, bcm43xx_tab_noisea2[i]); for (i = 0; i < BCM43xx_TAB_ROTOR_SIZE; i++) bcm43xx_ofdmtab_write32(dev, 0x2000, i, bcm43xx_tab_rotor[i]); bcm43xx_phy_init_noisescaletbl(dev); for (i = 0; i < BCM43xx_TAB_RETARD_SIZE; i++) bcm43xx_ofdmtab_write32(dev, 0x2400, i, bcm43xx_tab_retard[i]); break; case 3: for (i = 0; i < 64; i++) bcm43xx_ofdmtab_write16(dev, 0x4000, i, i); bcm43xx_ofdmtab_write16(dev, 0x3807, 0, 0x0051); bcm43xx_phy_write(dev, 0x001C, 0x0FF9); bcm43xx_phy_write(dev, 0x0020, bcm43xx_phy_read(dev, 0x0020) & 0xFF0F); bcm43xx_radio_write16(dev, 0x0002, 0x07BF); bcm43xx_phy_write(dev, 0x0024, 0x4680); bcm43xx_phy_write(dev, 0x0020, 0x0003); bcm43xx_phy_write(dev, 0x001D, 0x0F40); bcm43xx_phy_write(dev, 0x001F, 0x1C00); bcm43xx_phy_write(dev, 0x002A, (bcm43xx_phy_read(dev, 0x002A) & 0x00FF) | 0x0400); bcm43xx_ofdmtab_write16(dev, 0x3000, 1, (bcm43xx_ofdmtab_read16(dev, 0x3000, 1) & 0x0010) | 0x0008); for (i = 0; i < BCM43xx_TAB_NOISEA3_SIZE; i++) { bcm43xx_ofdmtab_write16(dev, 0x1800, i, bcm43xx_tab_noisea3[i]); } bcm43xx_phy_init_noisescaletbl(dev); for (i = 0; i < BCM43xx_TAB_SIGMASQR_SIZE; i++) { bcm43xx_ofdmtab_write16(dev, 0x5000, i, bcm43xx_tab_sigmasqr1[i]); } bcm43xx_phy_write(dev, 0x0003, 0x1808); bcm43xx_ofdmtab_write16(dev, 0x0803, 0, 0x000F); bcm43xx_ofdmtab_write16(dev, 0x0804, 0, 0x001F); bcm43xx_ofdmtab_write16(dev, 0x0805, 0, 0x002A); bcm43xx_ofdmtab_write16(dev, 0x0805, 0, 0x0030); bcm43xx_ofdmtab_write16(dev, 0x0807, 0, 0x003A); bcm43xx_ofdmtab_write16(dev, 0x0000, 0, 0x0013); bcm43xx_ofdmtab_write16(dev, 0x0001, 0, 0x0013); bcm43xx_ofdmtab_write16(dev, 0x0002, 0, 0x0013); bcm43xx_ofdmtab_write16(dev, 0x0003, 0, 0x0013); bcm43xx_ofdmtab_write16(dev, 0x0004, 0, 0x0015); bcm43xx_ofdmtab_write16(dev, 0x0005, 0, 0x0015); bcm43xx_ofdmtab_write16(dev, 0x0006, 0, 0x0019); bcm43xx_ofdmtab_write16(dev, 0x0404, 0, 0x0003); bcm43xx_ofdmtab_write16(dev, 0x0405, 0, 0x0003); bcm43xx_ofdmtab_write16(dev, 0x0406, 0, 0x0007); bcm43xx_ofdmtab_write16(dev, 0x3C02, 0, 0x000F); bcm43xx_ofdmtab_write16(dev, 0x3C03, 0, 0x0014); break; default: assert(0); } } /* Initialize APHY. This is also called for the GPHY in some cases. */ static void bcm43xx_phy_inita(struct bcm43xx_wldev *dev) { struct ssb_bus *bus = dev->dev->bus; struct bcm43xx_phy *phy = &dev->phy; u16 tval; might_sleep(); if (phy->type == BCM43xx_PHYTYPE_A) { bcm43xx_phy_setupa(dev); } else { bcm43xx_phy_setupg(dev); if (phy->gmode && (dev->dev->bus->sprom.r1.boardflags_lo & BCM43xx_BFL_PACTRL)) bcm43xx_phy_write(dev, 0x046E, 0x03CF); return; } bcm43xx_phy_write(dev, BCM43xx_PHY_A_CRS, (bcm43xx_phy_read(dev, BCM43xx_PHY_A_CRS) & 0xF83C) | 0x0340); bcm43xx_phy_write(dev, 0x0034, 0x0001); TODO();//TODO: RSSI AGC bcm43xx_phy_write(dev, BCM43xx_PHY_A_CRS, bcm43xx_phy_read(dev, BCM43xx_PHY_A_CRS) | (1 << 14)); bcm43xx_radio_init2060(dev); if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) && ((bus->boardinfo.type == SSB_BOARD_BU4306) || (bus->boardinfo.type == SSB_BOARD_BU4309))) { if (phy->lofcal == 0xFFFF) { TODO();//TODO: LOF Cal bcm43xx_radio_set_tx_iq(dev); } else bcm43xx_radio_write16(dev, 0x001E, phy->lofcal); } bcm43xx_phy_write(dev, 0x007A, 0xF111); if (phy->cur_idle_tssi == 0) { bcm43xx_radio_write16(dev, 0x0019, 0x0000); bcm43xx_radio_write16(dev, 0x0017, 0x0020); tval = bcm43xx_ofdmtab_read16(dev, 0x3001, 0); if (phy->rev == 1) { bcm43xx_ofdmtab_write16(dev, 0x3001, 0, (bcm43xx_ofdmtab_read16(dev, 0x3001, 0) & 0xFF87) | 0x0058); } else { bcm43xx_ofdmtab_write16(dev, 0x3001, 0, (bcm43xx_ofdmtab_read16(dev, 0x3001, 0) & 0xFFC3) | 0x002C); } bcm43xx_dummy_transmission(dev); phy->cur_idle_tssi = bcm43xx_phy_read(dev, BCM43xx_PHY_A_PCTL); bcm43xx_ofdmtab_write16(dev, 0x3001, 0, tval); bcm43xx_radio_set_txpower_a(dev, 0x0018); } bcm43xx_shm_clear_tssi(dev); } static void bcm43xx_phy_initb2(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; u16 offset, val; bcm43xx_write16(dev, 0x03EC, 0x3F22); bcm43xx_phy_write(dev, 0x0020, 0x301C); bcm43xx_phy_write(dev, 0x0026, 0x0000); bcm43xx_phy_write(dev, 0x0030, 0x00C6); bcm43xx_phy_write(dev, 0x0088, 0x3E00); val = 0x3C3D; for (offset = 0x0089; offset < 0x00A7; offset++) { bcm43xx_phy_write(dev, offset, val); val -= 0x0202; } bcm43xx_phy_write(dev, 0x03E4, 0x3000); if (phy->channel == 0xFF) bcm43xx_radio_selectchannel(dev, BCM43xx_DEFAULT_CHANNEL_BG, 0); else bcm43xx_radio_selectchannel(dev, phy->channel, 0); if (phy->radio_ver != 0x2050) { bcm43xx_radio_write16(dev, 0x0075, 0x0080); bcm43xx_radio_write16(dev, 0x0079, 0x0081); } bcm43xx_radio_write16(dev, 0x0050, 0x0020); bcm43xx_radio_write16(dev, 0x0050, 0x0023); if (phy->radio_ver == 0x2050) { bcm43xx_radio_write16(dev, 0x0050, 0x0020); bcm43xx_radio_write16(dev, 0x005A, 0x0070); bcm43xx_radio_write16(dev, 0x005B, 0x007B); bcm43xx_radio_write16(dev, 0x005C, 0x00B0); bcm43xx_radio_write16(dev, 0x007A, 0x000F); bcm43xx_phy_write(dev, 0x0038, 0x0677); bcm43xx_radio_init2050(dev); } bcm43xx_phy_write(dev, 0x0014, 0x0080); bcm43xx_phy_write(dev, 0x0032, 0x00CA); bcm43xx_phy_write(dev, 0x0032, 0x00CC); bcm43xx_phy_write(dev, 0x0035, 0x07C2); bcm43xx_lo_b_measure(dev); bcm43xx_phy_write(dev, 0x0026, 0xCC00); if (phy->radio_ver != 0x2050) bcm43xx_phy_write(dev, 0x0026, 0xCE00); bcm43xx_write16(dev, BCM43xx_MMIO_CHANNEL_EXT, 0x1000); bcm43xx_phy_write(dev, 0x002A, 0x88A3); if (phy->radio_ver != 0x2050) bcm43xx_phy_write(dev, 0x002A, 0x88C2); bcm43xx_set_txpower_g(dev, &phy->bbatt, &phy->rfatt, phy->tx_control); bcm43xx_phy_init_pctl(dev); } static void bcm43xx_phy_initb4(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; u16 offset, val; bcm43xx_write16(dev, 0x03EC, 0x3F22); bcm43xx_phy_write(dev, 0x0020, 0x301C); bcm43xx_phy_write(dev, 0x0026, 0x0000); bcm43xx_phy_write(dev, 0x0030, 0x00C6); bcm43xx_phy_write(dev, 0x0088, 0x3E00); val = 0x3C3D; for (offset = 0x0089; offset < 0x00A7; offset++) { bcm43xx_phy_write(dev, offset, val); val -= 0x0202; } bcm43xx_phy_write(dev, 0x03E4, 0x3000); if (phy->channel == 0xFF) bcm43xx_radio_selectchannel(dev, BCM43xx_DEFAULT_CHANNEL_BG, 0); else bcm43xx_radio_selectchannel(dev, phy->channel, 0); if (phy->radio_ver != 0x2050) { bcm43xx_radio_write16(dev, 0x0075, 0x0080); bcm43xx_radio_write16(dev, 0x0079, 0x0081); } bcm43xx_radio_write16(dev, 0x0050, 0x0020); bcm43xx_radio_write16(dev, 0x0050, 0x0023); if (phy->radio_ver == 0x2050) { bcm43xx_radio_write16(dev, 0x0050, 0x0020); bcm43xx_radio_write16(dev, 0x005A, 0x0070); bcm43xx_radio_write16(dev, 0x005B, 0x007B); bcm43xx_radio_write16(dev, 0x005C, 0x00B0); bcm43xx_radio_write16(dev, 0x007A, 0x000F); bcm43xx_phy_write(dev, 0x0038, 0x0677); bcm43xx_radio_init2050(dev); } bcm43xx_phy_write(dev, 0x0014, 0x0080); bcm43xx_phy_write(dev, 0x0032, 0x00CA); if (phy->radio_ver == 0x2050) bcm43xx_phy_write(dev, 0x0032, 0x00E0); bcm43xx_phy_write(dev, 0x0035, 0x07C2); bcm43xx_lo_b_measure(dev); bcm43xx_phy_write(dev, 0x0026, 0xCC00); if (phy->radio_ver == 0x2050) bcm43xx_phy_write(dev, 0x0026, 0xCE00); bcm43xx_write16(dev, BCM43xx_MMIO_CHANNEL_EXT, 0x1100); bcm43xx_phy_write(dev, 0x002A, 0x88A3); if (phy->radio_ver == 0x2050) bcm43xx_phy_write(dev, 0x002A, 0x88C2); bcm43xx_set_txpower_g(dev, &phy->bbatt, &phy->rfatt, phy->tx_control); if (dev->dev->bus->sprom.r1.boardflags_lo & BCM43xx_BFL_RSSI) { bcm43xx_calc_nrssi_slope(dev); bcm43xx_calc_nrssi_threshold(dev); } bcm43xx_phy_init_pctl(dev); } static void bcm43xx_phy_initb5(struct bcm43xx_wldev *dev) { struct ssb_bus *bus = dev->dev->bus; struct bcm43xx_phy *phy = &dev->phy; u16 offset, value; u8 old_channel; if (phy->analog == 1) { bcm43xx_radio_write16(dev, 0x007A, bcm43xx_radio_read16(dev, 0x007A) | 0x0050); } if ((bus->boardinfo.vendor != SSB_BOARDVENDOR_BCM) && (bus->boardinfo.type != SSB_BOARD_BU4306)) { value = 0x2120; for (offset = 0x00A8 ; offset < 0x00C7; offset++) { bcm43xx_phy_write(dev, offset, value); value += 0x202; } } bcm43xx_phy_write(dev, 0x0035, (bcm43xx_phy_read(dev, 0x0035) & 0xF0FF) | 0x0700); if (phy->radio_ver == 0x2050) bcm43xx_phy_write(dev, 0x0038, 0x0667); if (phy->gmode || phy->rev >= 2) { if (phy->radio_ver == 0x2050) { bcm43xx_radio_write16(dev, 0x007A, bcm43xx_radio_read16(dev, 0x007A) | 0x0020); bcm43xx_radio_write16(dev, 0x0051, bcm43xx_radio_read16(dev, 0x0051) | 0x0004); } bcm43xx_write16(dev, BCM43xx_MMIO_PHY_RADIO, 0x0000); bcm43xx_phy_write(dev, 0x0802, bcm43xx_phy_read(dev, 0x0802) | 0x0100); bcm43xx_phy_write(dev, 0x042B, bcm43xx_phy_read(dev, 0x042B) | 0x2000); bcm43xx_phy_write(dev, 0x001C, 0x186A); bcm43xx_phy_write(dev, 0x0013, (bcm43xx_phy_read(dev, 0x0013) & 0x00FF) | 0x1900); bcm43xx_phy_write(dev, 0x0035, (bcm43xx_phy_read(dev, 0x0035) & 0xFFC0) | 0x0064); bcm43xx_phy_write(dev, 0x005D, (bcm43xx_phy_read(dev, 0x005D) & 0xFF80) | 0x000A); } if (dev->bad_frames_preempt) { bcm43xx_phy_write(dev, BCM43xx_PHY_RADIO_BITFIELD, bcm43xx_phy_read(dev, BCM43xx_PHY_RADIO_BITFIELD) | (1 << 11)); } if (phy->analog == 1) { bcm43xx_phy_write(dev, 0x0026, 0xCE00); bcm43xx_phy_write(dev, 0x0021, 0x3763); bcm43xx_phy_write(dev, 0x0022, 0x1BC3); bcm43xx_phy_write(dev, 0x0023, 0x06F9); bcm43xx_phy_write(dev, 0x0024, 0x037E); } else bcm43xx_phy_write(dev, 0x0026, 0xCC00); bcm43xx_phy_write(dev, 0x0030, 0x00C6); bcm43xx_write16(dev, 0x03EC, 0x3F22); if (phy->analog == 1) bcm43xx_phy_write(dev, 0x0020, 0x3E1C); else bcm43xx_phy_write(dev, 0x0020, 0x301C); if (phy->analog == 0) bcm43xx_write16(dev, 0x03E4, 0x3000); old_channel = phy->channel; /* Force to channel 7, even if not supported. */ bcm43xx_radio_selectchannel(dev, 7, 0); if (phy->radio_ver != 0x2050) { bcm43xx_radio_write16(dev, 0x0075, 0x0080); bcm43xx_radio_write16(dev, 0x0079, 0x0081); } bcm43xx_radio_write16(dev, 0x0050, 0x0020); bcm43xx_radio_write16(dev, 0x0050, 0x0023); if (phy->radio_ver == 0x2050) { bcm43xx_radio_write16(dev, 0x0050, 0x0020); bcm43xx_radio_write16(dev, 0x005A, 0x0070); } bcm43xx_radio_write16(dev, 0x005B, 0x007B); bcm43xx_radio_write16(dev, 0x005C, 0x00B0); bcm43xx_radio_write16(dev, 0x007A, bcm43xx_radio_read16(dev, 0x007A) | 0x0007); bcm43xx_radio_selectchannel(dev, old_channel, 0); bcm43xx_phy_write(dev, 0x0014, 0x0080); bcm43xx_phy_write(dev, 0x0032, 0x00CA); bcm43xx_phy_write(dev, 0x002A, 0x88A3); bcm43xx_set_txpower_g(dev, &phy->bbatt, &phy->rfatt, phy->tx_control); if (phy->radio_ver == 0x2050) bcm43xx_radio_write16(dev, 0x005D, 0x000D); bcm43xx_write16(dev, 0x03E4, (bcm43xx_read16(dev, 0x03E4) & 0xFFC0) | 0x0004); } static void bcm43xx_phy_initb6(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; u16 offset, val; u8 old_channel; bcm43xx_phy_write(dev, 0x003E, 0x817A); bcm43xx_radio_write16(dev, 0x007A, (bcm43xx_radio_read16(dev, 0x007A) | 0x0058)); if (phy->radio_rev == 4 || phy->radio_rev == 5) { bcm43xx_radio_write16(dev, 0x51, 0x37); bcm43xx_radio_write16(dev, 0x52, 0x70); bcm43xx_radio_write16(dev, 0x53, 0xB3); bcm43xx_radio_write16(dev, 0x54, 0x9B); bcm43xx_radio_write16(dev, 0x5A, 0x88); bcm43xx_radio_write16(dev, 0x5B, 0x88); bcm43xx_radio_write16(dev, 0x5D, 0x88); bcm43xx_radio_write16(dev, 0x5E, 0x88); bcm43xx_radio_write16(dev, 0x7D, 0x88); bcm43xx_hf_write(dev, bcm43xx_hf_read(dev) | BCM43xx_HF_TSSIRPSMW); } assert(phy->radio_rev != 6 && phy->radio_rev != 7); /* We had code for these revs here...*/ if (phy->radio_rev == 8) { bcm43xx_radio_write16(dev, 0x51, 0); bcm43xx_radio_write16(dev, 0x52, 0x40); bcm43xx_radio_write16(dev, 0x53, 0xB7); bcm43xx_radio_write16(dev, 0x54, 0x98); bcm43xx_radio_write16(dev, 0x5A, 0x88); bcm43xx_radio_write16(dev, 0x5B, 0x6B); bcm43xx_radio_write16(dev, 0x5C, 0x0F); if (dev->dev->bus->sprom.r1.boardflags_lo & BCM43xx_BFL_ALTIQ) { bcm43xx_radio_write16(dev, 0x5D, 0xFA); bcm43xx_radio_write16(dev, 0x5E, 0xD8); } else { bcm43xx_radio_write16(dev, 0x5D, 0xF5); bcm43xx_radio_write16(dev, 0x5E, 0xB8); } bcm43xx_radio_write16(dev, 0x0073, 0x0003); bcm43xx_radio_write16(dev, 0x007D, 0x00A8); bcm43xx_radio_write16(dev, 0x007C, 0x0001); bcm43xx_radio_write16(dev, 0x007E, 0x0008); } val = 0x1E1F; for (offset = 0x0088; offset < 0x0098; offset++) { bcm43xx_phy_write(dev, offset, val); val -= 0x0202; } val = 0x3E3F; for (offset = 0x0098; offset < 0x00A8; offset++) { bcm43xx_phy_write(dev, offset, val); val -= 0x0202; } val = 0x2120; for (offset = 0x00A8; offset < 0x00C8; offset++) { bcm43xx_phy_write(dev, offset, (val & 0x3F3F)); val += 0x0202; } if (phy->type == BCM43xx_PHYTYPE_G) { bcm43xx_radio_write16(dev, 0x007A, bcm43xx_radio_read16(dev, 0x007A) | 0x0020); bcm43xx_radio_write16(dev, 0x0051, bcm43xx_radio_read16(dev, 0x0051) | 0x0004); bcm43xx_phy_write(dev, 0x0802, bcm43xx_phy_read(dev, 0x0802) | 0x0100); bcm43xx_phy_write(dev, 0x042B, bcm43xx_phy_read(dev, 0x042B) | 0x2000); bcm43xx_phy_write(dev, 0x5B, 0); bcm43xx_phy_write(dev, 0x5C, 0); } old_channel = phy->channel; if (old_channel >= 8) bcm43xx_radio_selectchannel(dev, 1, 0); else bcm43xx_radio_selectchannel(dev, 13, 0); bcm43xx_radio_write16(dev, 0x0050, 0x0020); bcm43xx_radio_write16(dev, 0x0050, 0x0023); udelay(40); if (phy->radio_rev < 6 || phy->radio_rev == 8) { bcm43xx_radio_write16(dev, 0x7C, (bcm43xx_radio_read16(dev, 0x7C) | 0x0002)); bcm43xx_radio_write16(dev, 0x50, 0x20); } if (phy->radio_rev <= 2) { bcm43xx_radio_write16(dev, 0x7C, 0x20); bcm43xx_radio_write16(dev, 0x5A, 0x70); bcm43xx_radio_write16(dev, 0x5B, 0x7B); bcm43xx_radio_write16(dev, 0x5C, 0xB0); } bcm43xx_radio_write16(dev, 0x007A, (bcm43xx_radio_read16(dev, 0x007A) & 0x00F8) | 0x0007); bcm43xx_radio_selectchannel(dev, old_channel, 0); bcm43xx_phy_write(dev, 0x0014, 0x0200); if (phy->radio_rev >= 6) bcm43xx_phy_write(dev, 0x2A, 0x88C2); else bcm43xx_phy_write(dev, 0x2A, 0x8AC0); bcm43xx_phy_write(dev, 0x0038, 0x0668); bcm43xx_set_txpower_g(dev, &phy->bbatt, &phy->rfatt, phy->tx_control); if (phy->radio_rev <= 5) { bcm43xx_phy_write(dev, 0x5D, (bcm43xx_phy_read(dev, 0x5D) & 0xFF80) | 0x0003); } if (phy->radio_rev <= 2) bcm43xx_radio_write16(dev, 0x005D, 0x000D); if (phy->analog == 4) { bcm43xx_write16(dev, 0x3E4, 9); bcm43xx_phy_write(dev, 0x61, bcm43xx_phy_read(dev, 0x61) & 0x0FFF); } else { bcm43xx_phy_write(dev, 0x0002, (bcm43xx_phy_read(dev, 0x0002) & 0xFFC0) | 0x0004); } if (phy->type == BCM43xx_PHYTYPE_B) { bcm43xx_write16(dev, 0x03E6, 0x8140); bcm43xx_phy_write(dev, 0x0016, 0x0410); bcm43xx_phy_write(dev, 0x0017, 0x0820); bcm43xx_phy_write(dev, 0x0062, 0x0007); bcm43xx_radio_init2050(dev); bcm43xx_lo_g_measure(dev); if (dev->dev->bus->sprom.r1.boardflags_lo & BCM43xx_BFL_RSSI) { bcm43xx_calc_nrssi_slope(dev); bcm43xx_calc_nrssi_threshold(dev); } bcm43xx_phy_init_pctl(dev); } else if (phy->type == BCM43xx_PHYTYPE_G) bcm43xx_write16(dev, 0x03E6, 0x0); } static void bcm43xx_calc_loopback_gain(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; u16 backup_phy[16] = {0}; u16 backup_radio[3]; u16 backup_bband; u16 i, j, loop_i_max; u16 trsw_rx; u16 loop1_outer_done, loop1_inner_done; backup_phy[0] = bcm43xx_phy_read(dev, BCM43xx_PHY_CRS0); backup_phy[1] = bcm43xx_phy_read(dev, BCM43xx_PHY_CCKBBANDCFG); backup_phy[2] = bcm43xx_phy_read(dev, BCM43xx_PHY_RFOVER); backup_phy[3] = bcm43xx_phy_read(dev, BCM43xx_PHY_RFOVERVAL); if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ backup_phy[4] = bcm43xx_phy_read(dev, BCM43xx_PHY_ANALOGOVER); backup_phy[5] = bcm43xx_phy_read(dev, BCM43xx_PHY_ANALOGOVERVAL); } backup_phy[6] = bcm43xx_phy_read(dev, BCM43xx_PHY_BASE(0x5A)); backup_phy[7] = bcm43xx_phy_read(dev, BCM43xx_PHY_BASE(0x59)); backup_phy[8] = bcm43xx_phy_read(dev, BCM43xx_PHY_BASE(0x58)); backup_phy[9] = bcm43xx_phy_read(dev, BCM43xx_PHY_BASE(0x0A)); backup_phy[10] = bcm43xx_phy_read(dev, BCM43xx_PHY_BASE(0x03)); backup_phy[11] = bcm43xx_phy_read(dev, BCM43xx_PHY_LO_MASK); backup_phy[12] = bcm43xx_phy_read(dev, BCM43xx_PHY_LO_CTL); backup_phy[13] = bcm43xx_phy_read(dev, BCM43xx_PHY_BASE(0x2B)); backup_phy[14] = bcm43xx_phy_read(dev, BCM43xx_PHY_PGACTL); backup_phy[15] = bcm43xx_phy_read(dev, BCM43xx_PHY_LO_LEAKAGE); backup_bband = phy->bbatt.att; backup_radio[0] = bcm43xx_radio_read16(dev, 0x52); backup_radio[1] = bcm43xx_radio_read16(dev, 0x43); backup_radio[2] = bcm43xx_radio_read16(dev, 0x7A); bcm43xx_phy_write(dev, BCM43xx_PHY_CRS0, bcm43xx_phy_read(dev, BCM43xx_PHY_CRS0) & 0x3FFF); bcm43xx_phy_write(dev, BCM43xx_PHY_CCKBBANDCFG, bcm43xx_phy_read(dev, BCM43xx_PHY_CCKBBANDCFG) | 0x8000); bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVER, bcm43xx_phy_read(dev, BCM43xx_PHY_RFOVER) | 0x0002); bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVERVAL, bcm43xx_phy_read(dev, BCM43xx_PHY_RFOVERVAL) & 0xFFFD); bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVER, bcm43xx_phy_read(dev, BCM43xx_PHY_RFOVER) | 0x0001); bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVERVAL, bcm43xx_phy_read(dev, BCM43xx_PHY_RFOVERVAL) & 0xFFFE); if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ bcm43xx_phy_write(dev, BCM43xx_PHY_ANALOGOVER, bcm43xx_phy_read(dev, BCM43xx_PHY_ANALOGOVER) | 0x0001); bcm43xx_phy_write(dev, BCM43xx_PHY_ANALOGOVERVAL, bcm43xx_phy_read(dev, BCM43xx_PHY_ANALOGOVERVAL) & 0xFFFE); bcm43xx_phy_write(dev, BCM43xx_PHY_ANALOGOVER, bcm43xx_phy_read(dev, BCM43xx_PHY_ANALOGOVER) | 0x0002); bcm43xx_phy_write(dev, BCM43xx_PHY_ANALOGOVERVAL, bcm43xx_phy_read(dev, BCM43xx_PHY_ANALOGOVERVAL) & 0xFFFD); } bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVER, bcm43xx_phy_read(dev, BCM43xx_PHY_RFOVER) | 0x000C); bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVERVAL, bcm43xx_phy_read(dev, BCM43xx_PHY_RFOVERVAL) | 0x000C); bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVER, bcm43xx_phy_read(dev, BCM43xx_PHY_RFOVER) | 0x0030); bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVERVAL, (bcm43xx_phy_read(dev, BCM43xx_PHY_RFOVERVAL) & 0xFFCF) | 0x10); bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x5A), 0x0780); bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x59), 0xC810); bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x58), 0x000D); bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x0A), bcm43xx_phy_read(dev, BCM43xx_PHY_BASE(0x0A)) | 0x2000); if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ bcm43xx_phy_write(dev, BCM43xx_PHY_ANALOGOVER, bcm43xx_phy_read(dev, BCM43xx_PHY_ANALOGOVER) | 0x0004); bcm43xx_phy_write(dev, BCM43xx_PHY_ANALOGOVERVAL, bcm43xx_phy_read(dev, BCM43xx_PHY_ANALOGOVERVAL) & 0xFFFB); } bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x03), (bcm43xx_phy_read(dev, BCM43xx_PHY_BASE(0x03)) & 0xFF9F) | 0x40); if (phy->radio_rev == 8) { bcm43xx_radio_write16(dev, 0x43, 0x000F); } else { bcm43xx_radio_write16(dev, 0x52, 0); bcm43xx_radio_write16(dev, 0x43, (bcm43xx_radio_read16(dev, 0x43) & 0xFFF0) | 0x9); } bcm43xx_phy_set_baseband_attenuation(dev, 11); if (phy->rev >= 3) bcm43xx_phy_write(dev, BCM43xx_PHY_LO_MASK, 0xC020); else bcm43xx_phy_write(dev, BCM43xx_PHY_LO_MASK, 0x8020); bcm43xx_phy_write(dev, BCM43xx_PHY_LO_CTL, 0); bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x2B), (bcm43xx_phy_read(dev, BCM43xx_PHY_BASE(0x2B)) & 0xFFC0) | 0x01); bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x2B), (bcm43xx_phy_read(dev, BCM43xx_PHY_BASE(0x2B)) & 0xC0FF) | 0x800); bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVER, bcm43xx_phy_read(dev, BCM43xx_PHY_RFOVER) | 0x0100); bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVERVAL, bcm43xx_phy_read(dev, BCM43xx_PHY_RFOVERVAL) & 0xCFFF); if (dev->dev->bus->sprom.r1.boardflags_lo & BCM43xx_BFL_EXTLNA) { if (phy->rev >= 7) { bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVER, bcm43xx_phy_read(dev, BCM43xx_PHY_RFOVER) | 0x0800); bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVERVAL, bcm43xx_phy_read(dev, BCM43xx_PHY_RFOVERVAL) | 0x8000); } } bcm43xx_radio_write16(dev, 0x7A, bcm43xx_radio_read16(dev, 0x7A) & 0x00F7); j = 0; loop_i_max = (phy->radio_rev == 8) ? 15 : 9; for (i = 0; i < loop_i_max; i++) { for (j = 0; j < 16; j++) { bcm43xx_radio_write16(dev, 0x43, i); bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVERVAL, (bcm43xx_phy_read(dev, BCM43xx_PHY_RFOVERVAL) & 0xF0FF) | (j << 8)); bcm43xx_phy_write(dev, BCM43xx_PHY_PGACTL, (bcm43xx_phy_read(dev, BCM43xx_PHY_PGACTL) & 0x0FFF) | 0xA000); bcm43xx_phy_write(dev, BCM43xx_PHY_PGACTL, bcm43xx_phy_read(dev, BCM43xx_PHY_PGACTL) | 0xF000); udelay(20); if (bcm43xx_phy_read(dev, BCM43xx_PHY_LO_LEAKAGE) >= 0xDFC) goto exit_loop1; } } exit_loop1: loop1_outer_done = i; loop1_inner_done = j; if (j >= 8) { bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVERVAL, bcm43xx_phy_read(dev, BCM43xx_PHY_RFOVERVAL) | 0x30); trsw_rx = 0x1B; for (j = j - 8; j < 16; j++) { bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVERVAL, (bcm43xx_phy_read(dev, BCM43xx_PHY_RFOVERVAL) & 0xF0FF) | (j << 8)); bcm43xx_phy_write(dev, BCM43xx_PHY_PGACTL, (bcm43xx_phy_read(dev, BCM43xx_PHY_PGACTL) & 0x0FFF) | 0xA000); bcm43xx_phy_write(dev, BCM43xx_PHY_PGACTL, bcm43xx_phy_read(dev, BCM43xx_PHY_PGACTL) | 0xF000); udelay(20); trsw_rx -= 3; if (bcm43xx_phy_read(dev, BCM43xx_PHY_LO_LEAKAGE) >= 0xDFC) goto exit_loop2; } } else trsw_rx = 0x18; exit_loop2: if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ bcm43xx_phy_write(dev, BCM43xx_PHY_ANALOGOVER, backup_phy[4]); bcm43xx_phy_write(dev, BCM43xx_PHY_ANALOGOVERVAL, backup_phy[5]); } bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x5A), backup_phy[6]); bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x59), backup_phy[7]); bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x58), backup_phy[8]); bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x0A), backup_phy[9]); bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x03), backup_phy[10]); bcm43xx_phy_write(dev, BCM43xx_PHY_LO_MASK, backup_phy[11]); bcm43xx_phy_write(dev, BCM43xx_PHY_LO_CTL, backup_phy[12]); bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x2B), backup_phy[13]); bcm43xx_phy_write(dev, BCM43xx_PHY_PGACTL, backup_phy[14]); bcm43xx_phy_set_baseband_attenuation(dev, backup_bband); bcm43xx_radio_write16(dev, 0x52, backup_radio[0]); bcm43xx_radio_write16(dev, 0x43, backup_radio[1]); bcm43xx_radio_write16(dev, 0x7A, backup_radio[2]); bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVER, backup_phy[2] | 0x0003); udelay(10); bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVER, backup_phy[2]); bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVERVAL, backup_phy[3]); bcm43xx_phy_write(dev, BCM43xx_PHY_CRS0, backup_phy[0]); bcm43xx_phy_write(dev, BCM43xx_PHY_CCKBBANDCFG, backup_phy[1]); phy->max_lb_gain = ((loop1_inner_done * 6) - (loop1_outer_done * 4)) - 11; phy->trsw_rx_gain = trsw_rx * 2; } static void bcm43xx_phy_initg(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; u16 tmp; if (phy->rev == 1) bcm43xx_phy_initb5(dev); else bcm43xx_phy_initb6(dev); if (phy->rev >= 2 || phy->gmode) bcm43xx_phy_inita(dev); if (phy->rev >= 2) { bcm43xx_phy_write(dev, BCM43xx_PHY_ANALOGOVER, 0); bcm43xx_phy_write(dev, BCM43xx_PHY_ANALOGOVERVAL, 0); } if (phy->rev == 2) { bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVER, 0); bcm43xx_phy_write(dev, BCM43xx_PHY_PGACTL, 0xC0); } if (phy->rev > 5) { bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVER, 0x400); bcm43xx_phy_write(dev, BCM43xx_PHY_PGACTL, 0xC0); } if (phy->gmode || phy->rev >= 2) { tmp = bcm43xx_phy_read(dev, BCM43xx_PHY_VERSION_OFDM); tmp &= BCM43xx_PHYVER_VERSION; if (tmp == 3 || tmp == 5) { bcm43xx_phy_write(dev, BCM43xx_PHY_OFDM(0xC2), 0x1816); bcm43xx_phy_write(dev, BCM43xx_PHY_OFDM(0xC3), 0x8006); } if (tmp == 5) { bcm43xx_phy_write(dev, BCM43xx_PHY_OFDM(0xCC), (bcm43xx_phy_read(dev, BCM43xx_PHY_OFDM(0xCC)) & 0x00FF) | 0x1F00); } } if ((phy->rev <= 2 && phy->gmode) || phy->rev >= 2) bcm43xx_phy_write(dev, BCM43xx_PHY_OFDM(0x7E), 0x78); if (phy->radio_rev == 8) { bcm43xx_phy_write(dev, BCM43xx_PHY_EXTG(0x01), bcm43xx_phy_read(dev, BCM43xx_PHY_EXTG(0x01)) | 0x80); bcm43xx_phy_write(dev, BCM43xx_PHY_OFDM(0x3E), bcm43xx_phy_read(dev, BCM43xx_PHY_OFDM(0x3E)) | 0x4); } if (has_loopback_gain(phy)) bcm43xx_calc_loopback_gain(dev); if (phy->radio_rev != 8) { if (phy->initval == 0xFFFF) phy->initval = bcm43xx_radio_init2050(dev); else bcm43xx_radio_write16(dev, 0x0078, phy->initval); } if (phy->lo_control->tx_bias == 0xFF) { bcm43xx_lo_g_measure(dev); } else { if (has_tx_magnification(phy)) { bcm43xx_radio_write16(dev, 0x52, (bcm43xx_radio_read16(dev, 0x52) & 0xFF00) | phy->lo_control->tx_bias | phy->lo_control->tx_magn); } else { bcm43xx_radio_write16(dev, 0x52, (bcm43xx_radio_read16(dev, 0x52) & 0xFFF0) | phy->lo_control->tx_bias); } if (phy->rev >= 6) { bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x36), (bcm43xx_phy_read(dev, BCM43xx_PHY_BASE(0x36)) & 0x0FFF) | (phy->lo_control->tx_bias << 12)); } if (dev->dev->bus->sprom.r1.boardflags_lo & BCM43xx_BFL_PACTRL) bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x2E), 0x8075); else bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x2E), 0x807F); if (phy->rev < 2) bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x2F), 0x101); else bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x2F), 0x202); } if (phy->gmode || phy->rev >= 2) { bcm43xx_lo_g_adjust(dev); bcm43xx_phy_write(dev, BCM43xx_PHY_LO_MASK, 0x8078); } if (!(dev->dev->bus->sprom.r1.boardflags_lo & BCM43xx_BFL_RSSI)) { /* The specs state to update the NRSSI LT with * the value 0x7FFFFFFF here. I think that is some weird * compiler optimization in the original driver. * Essentially, what we do here is resetting all NRSSI LT * entries to -32 (see the limit_value() in nrssi_hw_update()) */ bcm43xx_nrssi_hw_update(dev, 0xFFFF);//FIXME? bcm43xx_calc_nrssi_threshold(dev); } else if (phy->gmode || phy->rev >= 2) { if (phy->nrssi[0] == -1000) { assert(phy->nrssi[1] == -1000); bcm43xx_calc_nrssi_slope(dev); } else bcm43xx_calc_nrssi_threshold(dev); } if (phy->radio_rev == 8) bcm43xx_phy_write(dev, BCM43xx_PHY_EXTG(0x05), 0x3230); bcm43xx_phy_init_pctl(dev); /* FIXME: The spec says in the following if, the 0 should be replaced 'if OFDM may not be used in the current locale' but OFDM is legal everywhere */ if ((dev->dev->bus->chip_id == 0x4306 && dev->dev->bus->chip_package == 2) || 0) { bcm43xx_phy_write(dev, BCM43xx_PHY_CRS0, bcm43xx_phy_read(dev, BCM43xx_PHY_CRS0) & 0xBFFF); bcm43xx_phy_write(dev, BCM43xx_PHY_OFDM(0xC3), bcm43xx_phy_read(dev, BCM43xx_PHY_OFDM(0xC3)) & 0x7FFF); } } /* Set the baseband attenuation value on chip. */ void bcm43xx_phy_set_baseband_attenuation(struct bcm43xx_wldev *dev, u16 baseband_attenuation) { struct bcm43xx_phy *phy = &dev->phy; if (phy->analog == 0) { bcm43xx_write16(dev, BCM43xx_MMIO_PHY0, (bcm43xx_read16(dev, BCM43xx_MMIO_PHY0) & 0xFFF0) | baseband_attenuation); } else if (phy->analog == 1) { bcm43xx_phy_write(dev, BCM43xx_PHY_DACCTL, (bcm43xx_phy_read(dev, BCM43xx_PHY_DACCTL) & 0xFFC3) | (baseband_attenuation << 2)); } else { bcm43xx_phy_write(dev, BCM43xx_PHY_DACCTL, (bcm43xx_phy_read(dev, BCM43xx_PHY_DACCTL) & 0xFF87) | (baseband_attenuation << 3)); } } /* http://bcm-specs.sipsolutions.net/EstimatePowerOut * This function converts a TSSI value to dBm in Q5.2 */ static s8 bcm43xx_phy_estimate_power_out(struct bcm43xx_wldev *dev, s8 tssi) { struct bcm43xx_phy *phy = &dev->phy; s8 dbm = 0; s32 tmp; tmp = (phy->tgt_idle_tssi - phy->cur_idle_tssi + tssi); switch (phy->type) { case BCM43xx_PHYTYPE_A: tmp += 0x80; tmp = limit_value(tmp, 0x00, 0xFF); dbm = phy->tssi2dbm[tmp]; TODO(); //TODO: There's a FIXME on the specs break; case BCM43xx_PHYTYPE_B: case BCM43xx_PHYTYPE_G: tmp = limit_value(tmp, 0x00, 0x3F); dbm = phy->tssi2dbm[tmp]; break; default: assert(0); } return dbm; } void bcm43xx_put_attenuation_into_ranges(struct bcm43xx_wldev *dev, int *_bbatt, int *_rfatt) { int rfatt = *_rfatt; int bbatt = *_bbatt; struct bcm43xx_txpower_lo_control *lo = dev->phy.lo_control; /* Get baseband and radio attenuation values into their permitted ranges. * Radio attenuation affects power level 4 times as much as baseband. */ /* Range constants */ const int rf_min = lo->rfatt_list.min_val; const int rf_max = lo->rfatt_list.max_val; const int bb_min = lo->bbatt_list.min_val; const int bb_max = lo->bbatt_list.max_val; while (1) { if (rfatt > rf_max && bbatt > bb_max - 4) break; /* Can not get it into ranges */ if (rfatt < rf_min && bbatt < bb_min + 4) break; /* Can not get it into ranges */ if (bbatt > bb_max && rfatt > rf_max - 1) break; /* Can not get it into ranges */ if (bbatt < bb_min && rfatt < rf_min + 1) break; /* Can not get it into ranges */ if (bbatt > bb_max) { bbatt -= 4; rfatt += 1; continue; } if (bbatt < bb_min) { bbatt += 4; rfatt -= 1; continue; } if (rfatt > rf_max) { rfatt -= 1; bbatt += 4; continue; } if (rfatt < rf_min) { rfatt += 1; bbatt -= 4; continue; } break; } *_rfatt = limit_value(rfatt, rf_min, rf_max); *_bbatt = limit_value(bbatt, bb_min, bb_max); } /* http://bcm-specs.sipsolutions.net/RecalculateTransmissionPower */ void bcm43xx_phy_xmitpower(struct bcm43xx_wldev *dev) { struct ssb_bus *bus = dev->dev->bus; struct bcm43xx_phy *phy = &dev->phy; if (phy->cur_idle_tssi == 0) return; if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) && (bus->boardinfo.type == SSB_BOARD_BU4306)) return; #ifdef CONFIG_BCM43XX_MAC80211_DEBUG if (phy->manual_txpower_control) return; #endif switch (phy->type) { case BCM43xx_PHYTYPE_A: { TODO(); //TODO: Nothing for A PHYs yet :-/ break; } case BCM43xx_PHYTYPE_B: case BCM43xx_PHYTYPE_G: { u16 tmp; s8 v0, v1, v2, v3; s8 average; int max_pwr; int desired_pwr, estimated_pwr, pwr_adjust; int rfatt_delta, bbatt_delta; int rfatt, bbatt; u8 tx_control; unsigned long phylock_flags; tmp = bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, 0x0058); v0 = (s8)(tmp & 0x00FF); v1 = (s8)((tmp & 0xFF00) >> 8); tmp = bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, 0x005A); v2 = (s8)(tmp & 0x00FF); v3 = (s8)((tmp & 0xFF00) >> 8); tmp = 0; if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F || v3 == 0x7F) { tmp = bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, 0x0070); v0 = (s8)(tmp & 0x00FF); v1 = (s8)((tmp & 0xFF00) >> 8); tmp = bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, 0x0072); v2 = (s8)(tmp & 0x00FF); v3 = (s8)((tmp & 0xFF00) >> 8); if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F || v3 == 0x7F) return; v0 = (v0 + 0x20) & 0x3F; v1 = (v1 + 0x20) & 0x3F; v2 = (v2 + 0x20) & 0x3F; v3 = (v3 + 0x20) & 0x3F; tmp = 1; } bcm43xx_shm_clear_tssi(dev); average = (v0 + v1 + v2 + v3 + 2) / 4; if (tmp && (bcm43xx_shm_read16(dev, BCM43xx_SHM_SHARED, 0x005E) & 0x8)) average -= 13; estimated_pwr = bcm43xx_phy_estimate_power_out(dev, average); max_pwr = dev->dev->bus->sprom.r1.maxpwr_bg; if ((dev->dev->bus->sprom.r1.boardflags_lo & BCM43xx_BFL_PACTRL) && (phy->type == BCM43xx_PHYTYPE_G)) max_pwr -= 0x3; if (unlikely(max_pwr <= 0)) { printk(KERN_ERR PFX "Invalid max-TX-power value in SPROM.\n"); max_pwr = 60; /* fake it */ dev->dev->bus->sprom.r1.maxpwr_bg = max_pwr; } /*TODO: max_pwr = min(REG - dev->dev->bus->sprom.antennagain_bgphy - 0x6, max_pwr) where REG is the max power as per the regulatory domain */ desired_pwr = phy->power_level; /* Convert the desired_pwr to Q5.2 and limit it. */ desired_pwr = limit_value((desired_pwr << 2), 0, max_pwr); if (bcm43xx_debug(dev, BCM43xx_DBG_XMITPOWER)) { dprintk(KERN_DEBUG PFX "Current TX power output: " Q52_FMT " dBm, " "Desired TX power output: " Q52_FMT " dBm\n", Q52_ARG(estimated_pwr), Q52_ARG(desired_pwr)); } pwr_adjust = desired_pwr - estimated_pwr; rfatt_delta = -((pwr_adjust + 7) >> 3); bbatt_delta = (-(pwr_adjust >> 1)) - (4 * rfatt_delta); if ((rfatt_delta == 0) && (bbatt_delta == 0)) { bcm43xx_lo_g_ctl_mark_cur_used(dev); return; } /* Calculate the new attenuation values. */ bbatt = phy->bbatt.att; bbatt += bbatt_delta; rfatt = phy->rfatt.att; rfatt += rfatt_delta; bcm43xx_put_attenuation_into_ranges(dev, &bbatt, &rfatt); tx_control = phy->tx_control; if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 2)) { if (rfatt <= 1) { if (tx_control == 0) { tx_control = BCM43xx_TXCTL_PA2DB | BCM43xx_TXCTL_TXMIX; rfatt += 2; bbatt += 2; } else if (dev->dev->bus->sprom.r1.boardflags_lo & BCM43xx_BFL_PACTRL) { bbatt += 4 * (rfatt - 2); rfatt = 2; } } else if (rfatt > 4 && tx_control) { tx_control = 0; if (bbatt < 3) { rfatt -= 3; bbatt += 2; } else { rfatt -= 2; bbatt -= 2; } } } phy->tx_control = tx_control; bcm43xx_put_attenuation_into_ranges(dev, &bbatt, &rfatt); bcm43xx_phy_lock(dev, phylock_flags); bcm43xx_radio_lock(dev); bcm43xx_set_txpower_g(dev, &phy->bbatt, &phy->rfatt, phy->tx_control); bcm43xx_lo_g_ctl_mark_cur_used(dev); bcm43xx_radio_unlock(dev); bcm43xx_phy_unlock(dev, phylock_flags); break; } default: assert(0); } } static inline s32 bcm43xx_tssi2dbm_ad(s32 num, s32 den) { if (num < 0) return num/den; else return (num+den/2)/den; } static inline s8 bcm43xx_tssi2dbm_entry(s8 entry [], u8 index, s16 pab0, s16 pab1, s16 pab2) { s32 m1, m2, f = 256, q, delta; s8 i = 0; m1 = bcm43xx_tssi2dbm_ad(16 * pab0 + index * pab1, 32); m2 = max(bcm43xx_tssi2dbm_ad(32768 + index * pab2, 256), 1); do { if (i > 15) return -EINVAL; q = bcm43xx_tssi2dbm_ad(f * 4096 - bcm43xx_tssi2dbm_ad(m2 * f, 16) * f, 2048); delta = abs(q - f); f = q; i++; } while (delta >= 2); entry[index] = limit_value(bcm43xx_tssi2dbm_ad(m1 * f, 8192), -127, 128); return 0; } /* http://bcm-specs.sipsolutions.net/TSSI_to_DBM_Table */ int bcm43xx_phy_init_tssi2dbm_table(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; s16 pab0, pab1, pab2; u8 idx; s8 *dyn_tssi2dbm; if (phy->type == BCM43xx_PHYTYPE_A) { pab0 = (s16)(dev->dev->bus->sprom.r1.pa1b0); pab1 = (s16)(dev->dev->bus->sprom.r1.pa1b1); pab2 = (s16)(dev->dev->bus->sprom.r1.pa1b2); } else { pab0 = (s16)(dev->dev->bus->sprom.r1.pa0b0); pab1 = (s16)(dev->dev->bus->sprom.r1.pa0b1); pab2 = (s16)(dev->dev->bus->sprom.r1.pa0b2); } if ((dev->dev->bus->chip_id == 0x4301) && (phy->radio_ver != 0x2050)) { phy->tgt_idle_tssi = 0x34; phy->tssi2dbm = bcm43xx_tssi2dbm_b_table; return 0; } if (pab0 != 0 && pab1 != 0 && pab2 != 0 && pab0 != -1 && pab1 != -1 && pab2 != -1) { /* The pabX values are set in SPROM. Use them. */ if (phy->type == BCM43xx_PHYTYPE_A) { if ((s8)dev->dev->bus->sprom.r1.itssi_a != 0 && (s8)dev->dev->bus->sprom.r1.itssi_a != -1) phy->tgt_idle_tssi = (s8)(dev->dev->bus->sprom.r1.itssi_a); else phy->tgt_idle_tssi = 62; } else { if ((s8)dev->dev->bus->sprom.r1.itssi_bg != 0 && (s8)dev->dev->bus->sprom.r1.itssi_bg != -1) phy->tgt_idle_tssi = (s8)(dev->dev->bus->sprom.r1.itssi_bg); else phy->tgt_idle_tssi = 62; } dyn_tssi2dbm = kmalloc(64, GFP_KERNEL); if (dyn_tssi2dbm == NULL) { printk(KERN_ERR PFX "Could not allocate memory" "for tssi2dbm table\n"); return -ENOMEM; } for (idx = 0; idx < 64; idx++) if (bcm43xx_tssi2dbm_entry(dyn_tssi2dbm, idx, pab0, pab1, pab2)) { phy->tssi2dbm = NULL; printk(KERN_ERR PFX "Could not generate " "tssi2dBm table\n"); kfree(dyn_tssi2dbm); return -ENODEV; } phy->tssi2dbm = dyn_tssi2dbm; phy->dyn_tssi_tbl = 1; } else { /* pabX values not set in SPROM. */ switch (phy->type) { case BCM43xx_PHYTYPE_A: /* APHY needs a generated table. */ phy->tssi2dbm = NULL; printk(KERN_ERR PFX "Could not generate tssi2dBm " "table (wrong SPROM info)!\n"); return -ENODEV; case BCM43xx_PHYTYPE_B: phy->tgt_idle_tssi = 0x34; phy->tssi2dbm = bcm43xx_tssi2dbm_b_table; break; case BCM43xx_PHYTYPE_G: phy->tgt_idle_tssi = 0x34; phy->tssi2dbm = bcm43xx_tssi2dbm_g_table; break; } } return 0; } int bcm43xx_phy_init(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; int err = -ENODEV; switch (phy->type) { case BCM43xx_PHYTYPE_A: if (phy->rev == 2 || phy->rev == 3) { bcm43xx_phy_inita(dev); err = 0; } break; case BCM43xx_PHYTYPE_B: switch (phy->rev) { case 2: bcm43xx_phy_initb2(dev); err = 0; break; case 4: bcm43xx_phy_initb4(dev); err = 0; break; case 5: bcm43xx_phy_initb5(dev); err = 0; break; case 6: bcm43xx_phy_initb6(dev); err = 0; break; } break; case BCM43xx_PHYTYPE_G: bcm43xx_phy_initg(dev); err = 0; break; } if (err) printk(KERN_WARNING PFX "Unknown PHYTYPE found!\n"); return err; } void bcm43xx_set_rx_antenna(struct bcm43xx_wldev *dev, int antenna) { struct bcm43xx_phy *phy = &dev->phy; u32 hf; u16 tmp; int autodiv = 0; if (antenna == BCM43xx_ANTENNA_AUTO0 || antenna == BCM43xx_ANTENNA_AUTO1) autodiv = 1; hf = bcm43xx_hf_read(dev); hf &= ~BCM43xx_HF_ANTDIVHELP; bcm43xx_hf_write(dev, hf); switch (phy->type) { case BCM43xx_PHYTYPE_A: case BCM43xx_PHYTYPE_G: tmp = bcm43xx_phy_read(dev, BCM43xx_PHY_BBANDCFG); tmp &= ~BCM43xx_PHY_BBANDCFG_RXANT; tmp |= (autodiv ? BCM43xx_ANTENNA_AUTO0 : antenna) << BCM43xx_PHY_BBANDCFG_RXANT_SHIFT; bcm43xx_phy_write(dev, BCM43xx_PHY_BBANDCFG, tmp); if (autodiv) { tmp = bcm43xx_phy_read(dev, BCM43xx_PHY_ANTDWELL); if (antenna == BCM43xx_ANTENNA_AUTO0) tmp &= ~BCM43xx_PHY_ANTDWELL_AUTODIV1; else tmp |= BCM43xx_PHY_ANTDWELL_AUTODIV1; bcm43xx_phy_write(dev, BCM43xx_PHY_ANTDWELL, tmp); } if (phy->type == BCM43xx_PHYTYPE_G) { tmp = bcm43xx_phy_read(dev, BCM43xx_PHY_ANTWRSETT); if (autodiv) tmp |= BCM43xx_PHY_ANTWRSETT_ARXDIV; else tmp &= ~BCM43xx_PHY_ANTWRSETT_ARXDIV; bcm43xx_phy_write(dev, BCM43xx_PHY_ANTWRSETT, tmp); if (phy->rev >= 2) { tmp = bcm43xx_phy_read(dev, BCM43xx_PHY_OFDM61); tmp |= BCM43xx_PHY_OFDM61_10; bcm43xx_phy_write(dev, BCM43xx_PHY_OFDM61, tmp); tmp = bcm43xx_phy_read(dev, BCM43xx_PHY_DIVSRCHGAINBACK); tmp = (tmp & 0xFF00) | 0x15; bcm43xx_phy_write(dev, BCM43xx_PHY_DIVSRCHGAINBACK, tmp); if (phy->rev == 2) { bcm43xx_phy_write(dev, BCM43xx_PHY_ADIVRELATED, 8); } else { tmp = bcm43xx_phy_read(dev, BCM43xx_PHY_ADIVRELATED); tmp = (tmp & 0xFF00) | 8; bcm43xx_phy_write(dev, BCM43xx_PHY_ADIVRELATED, tmp); } } if (phy->rev >= 6) bcm43xx_phy_write(dev, BCM43xx_PHY_OFDM9B, 0xDC); } else { if (phy->rev < 3) { tmp = bcm43xx_phy_read(dev, BCM43xx_PHY_ANTDWELL); tmp = (tmp & 0xFF00) | 0x24; bcm43xx_phy_write(dev, BCM43xx_PHY_ANTDWELL, tmp); } else { tmp = bcm43xx_phy_read(dev, BCM43xx_PHY_OFDM61); tmp |= 0x10; bcm43xx_phy_write(dev, BCM43xx_PHY_OFDM61, tmp); if (phy->analog == 3) { bcm43xx_phy_write(dev, BCM43xx_PHY_CLIPPWRDOWNT, 0x1D); bcm43xx_phy_write(dev, BCM43xx_PHY_ADIVRELATED, 8); } else { bcm43xx_phy_write(dev, BCM43xx_PHY_CLIPPWRDOWNT, 0x3A); tmp = bcm43xx_phy_read(dev, BCM43xx_PHY_ADIVRELATED); tmp = (tmp & 0xFF00) | 8; bcm43xx_phy_write(dev, BCM43xx_PHY_ADIVRELATED, tmp); } } } break; case BCM43xx_PHYTYPE_B: tmp = bcm43xx_phy_read(dev, BCM43xx_PHY_CCKBBANDCFG); tmp &= ~BCM43xx_PHY_BBANDCFG_RXANT; tmp |= (autodiv ? BCM43xx_ANTENNA_AUTO0 : antenna) << BCM43xx_PHY_BBANDCFG_RXANT_SHIFT; bcm43xx_phy_write(dev, BCM43xx_PHY_CCKBBANDCFG, tmp); break; default: assert(0); } hf |= BCM43xx_HF_ANTDIVHELP; bcm43xx_hf_write(dev, hf); } /* Get the freq, as it has to be written to the device. */ static inline u16 channel2freq_bg(u8 channel) { assert(channel >= 1 && channel <= 14); return bcm43xx_radio_channel_codes_bg[channel - 1]; } /* Get the freq, as it has to be written to the device. */ static inline u16 channel2freq_a(u8 channel) { assert(channel <= 200); return (5000 + 5 * channel); } void bcm43xx_radio_lock(struct bcm43xx_wldev *dev) { u32 status; status = bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD); status |= BCM43xx_SBF_RADIOREG_LOCK; bcm43xx_write32(dev, BCM43xx_MMIO_STATUS_BITFIELD, status); mmiowb(); udelay(10); } void bcm43xx_radio_unlock(struct bcm43xx_wldev *dev) { u32 status; bcm43xx_read16(dev, BCM43xx_MMIO_PHY_VER); /* dummy read */ status = bcm43xx_read32(dev, BCM43xx_MMIO_STATUS_BITFIELD); status &= ~BCM43xx_SBF_RADIOREG_LOCK; bcm43xx_write32(dev, BCM43xx_MMIO_STATUS_BITFIELD, status); mmiowb(); } u16 bcm43xx_radio_read16(struct bcm43xx_wldev *dev, u16 offset) { struct bcm43xx_phy *phy = &dev->phy; switch (phy->type) { case BCM43xx_PHYTYPE_A: offset |= 0x0040; break; case BCM43xx_PHYTYPE_B: if (phy->radio_ver == 0x2053) { if (offset < 0x70) offset += 0x80; else if (offset < 0x80) offset += 0x70; } else if (phy->radio_ver == 0x2050) { offset |= 0x80; } else assert(0); break; case BCM43xx_PHYTYPE_G: offset |= 0x80; break; } bcm43xx_write16(dev, BCM43xx_MMIO_RADIO_CONTROL, offset); return bcm43xx_read16(dev, BCM43xx_MMIO_RADIO_DATA_LOW); } void bcm43xx_radio_write16(struct bcm43xx_wldev *dev, u16 offset, u16 val) { bcm43xx_write16(dev, BCM43xx_MMIO_RADIO_CONTROL, offset); mmiowb(); bcm43xx_write16(dev, BCM43xx_MMIO_RADIO_DATA_LOW, val); } static void bcm43xx_set_all_gains(struct bcm43xx_wldev *dev, s16 first, s16 second, s16 third) { struct bcm43xx_phy *phy = &dev->phy; u16 i; u16 start = 0x08, end = 0x18; u16 tmp; u16 table; if (phy->rev <= 1) { start = 0x10; end = 0x20; } table = BCM43xx_OFDMTAB_GAINX; if (phy->rev <= 1) table = BCM43xx_OFDMTAB_GAINX_R1; for (i = 0; i < 4; i++) bcm43xx_ofdmtab_write16(dev, table, i, first); for (i = start; i < end; i++) bcm43xx_ofdmtab_write16(dev, table, i, second); if (third != -1) { tmp = ((u16)third << 14) | ((u16)third << 6); bcm43xx_phy_write(dev, 0x04A0, (bcm43xx_phy_read(dev, 0x04A0) & 0xBFBF) | tmp); bcm43xx_phy_write(dev, 0x04A1, (bcm43xx_phy_read(dev, 0x04A1) & 0xBFBF) | tmp); bcm43xx_phy_write(dev, 0x04A2, (bcm43xx_phy_read(dev, 0x04A2) & 0xBFBF) | tmp); } bcm43xx_dummy_transmission(dev); } static void bcm43xx_set_original_gains(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; u16 i, tmp; u16 table; u16 start = 0x0008, end = 0x0018; if (phy->rev <= 1) { start = 0x0010; end = 0x0020; } table = BCM43xx_OFDMTAB_GAINX; if (phy->rev <= 1) table = BCM43xx_OFDMTAB_GAINX_R1; for (i = 0; i < 4; i++) { tmp = (i & 0xFFFC); tmp |= (i & 0x0001) << 1; tmp |= (i & 0x0002) >> 1; bcm43xx_ofdmtab_write16(dev, table, i, tmp); } for (i = start; i < end; i++) bcm43xx_ofdmtab_write16(dev, table, i, i - start); bcm43xx_phy_write(dev, 0x04A0, (bcm43xx_phy_read(dev, 0x04A0) & 0xBFBF) | 0x4040); bcm43xx_phy_write(dev, 0x04A1, (bcm43xx_phy_read(dev, 0x04A1) & 0xBFBF) | 0x4040); bcm43xx_phy_write(dev, 0x04A2, (bcm43xx_phy_read(dev, 0x04A2) & 0xBFBF) | 0x4000); bcm43xx_dummy_transmission(dev); } /* Synthetic PU workaround */ static void bcm43xx_synth_pu_workaround(struct bcm43xx_wldev *dev, u8 channel) { struct bcm43xx_phy *phy = &dev->phy; might_sleep(); if (phy->radio_ver != 0x2050 || phy->radio_rev >= 6) { /* We do not need the workaround. */ return; } if (channel <= 10) { bcm43xx_write16(dev, BCM43xx_MMIO_CHANNEL, channel2freq_bg(channel + 4)); } else { bcm43xx_write16(dev, BCM43xx_MMIO_CHANNEL, channel2freq_bg(1)); } msleep(1); bcm43xx_write16(dev, BCM43xx_MMIO_CHANNEL, channel2freq_bg(channel)); } u8 bcm43xx_radio_aci_detect(struct bcm43xx_wldev *dev, u8 channel) { struct bcm43xx_phy *phy = &dev->phy; u8 ret = 0; u16 saved, rssi, temp; int i, j = 0; saved = bcm43xx_phy_read(dev, 0x0403); bcm43xx_radio_selectchannel(dev, channel, 0); bcm43xx_phy_write(dev, 0x0403, (saved & 0xFFF8) | 5); if (phy->aci_hw_rssi) rssi = bcm43xx_phy_read(dev, 0x048A) & 0x3F; else rssi = saved & 0x3F; /* clamp temp to signed 5bit */ if (rssi > 32) rssi -= 64; for (i = 0;i < 100; i++) { temp = (bcm43xx_phy_read(dev, 0x047F) >> 8) & 0x3F; if (temp > 32) temp -= 64; if (temp < rssi) j++; if (j >= 20) ret = 1; } bcm43xx_phy_write(dev, 0x0403, saved); return ret; } u8 bcm43xx_radio_aci_scan(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; u8 ret[13]; unsigned int channel = phy->channel; unsigned int i, j, start, end; unsigned long phylock_flags; if (!((phy->type == BCM43xx_PHYTYPE_G) && (phy->rev > 0))) return 0; bcm43xx_phy_lock(dev, phylock_flags); bcm43xx_radio_lock(dev); bcm43xx_phy_write(dev, 0x0802, bcm43xx_phy_read(dev, 0x0802) & 0xFFFC); bcm43xx_phy_write(dev, BCM43xx_PHY_G_CRS, bcm43xx_phy_read(dev, BCM43xx_PHY_G_CRS) & 0x7FFF); bcm43xx_set_all_gains(dev, 3, 8, 1); start = (channel - 5 > 0) ? channel - 5 : 1; end = (channel + 5 < 14) ? channel + 5 : 13; for (i = start; i <= end; i++) { if (abs(channel - i) > 2) ret[i-1] = bcm43xx_radio_aci_detect(dev, i); } bcm43xx_radio_selectchannel(dev, channel, 0); bcm43xx_phy_write(dev, 0x0802, (bcm43xx_phy_read(dev, 0x0802) & 0xFFFC) | 0x0003); bcm43xx_phy_write(dev, 0x0403, bcm43xx_phy_read(dev, 0x0403) & 0xFFF8); bcm43xx_phy_write(dev, BCM43xx_PHY_G_CRS, bcm43xx_phy_read(dev, BCM43xx_PHY_G_CRS) | 0x8000); bcm43xx_set_original_gains(dev); for (i = 0; i < 13; i++) { if (!ret[i]) continue; end = (i + 5 < 13) ? i + 5 : 13; for (j = i; j < end; j++) ret[j] = 1; } bcm43xx_radio_unlock(dev); bcm43xx_phy_unlock(dev, phylock_flags); return ret[channel - 1]; } /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ void bcm43xx_nrssi_hw_write(struct bcm43xx_wldev *dev, u16 offset, s16 val) { bcm43xx_phy_write(dev, BCM43xx_PHY_NRSSILT_CTRL, offset); mmiowb(); bcm43xx_phy_write(dev, BCM43xx_PHY_NRSSILT_DATA, (u16)val); } /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ s16 bcm43xx_nrssi_hw_read(struct bcm43xx_wldev *dev, u16 offset) { u16 val; bcm43xx_phy_write(dev, BCM43xx_PHY_NRSSILT_CTRL, offset); val = bcm43xx_phy_read(dev, BCM43xx_PHY_NRSSILT_DATA); return (s16)val; } /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ void bcm43xx_nrssi_hw_update(struct bcm43xx_wldev *dev, u16 val) { u16 i; s16 tmp; for (i = 0; i < 64; i++) { tmp = bcm43xx_nrssi_hw_read(dev, i); tmp -= val; tmp = limit_value(tmp, -32, 31); bcm43xx_nrssi_hw_write(dev, i, tmp); } } /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ void bcm43xx_nrssi_mem_update(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; s16 i, delta; s32 tmp; delta = 0x1F - phy->nrssi[0]; for (i = 0; i < 64; i++) { tmp = (i - delta) * phy->nrssislope; tmp /= 0x10000; tmp += 0x3A; tmp = limit_value(tmp, 0, 0x3F); phy->nrssi_lt[i] = tmp; } } static void bcm43xx_calc_nrssi_offset(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; u16 backup[20] = { 0 }; s16 v47F; u16 i; u16 saved = 0xFFFF; backup[0] = bcm43xx_phy_read(dev, 0x0001); backup[1] = bcm43xx_phy_read(dev, 0x0811); backup[2] = bcm43xx_phy_read(dev, 0x0812); if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ backup[3] = bcm43xx_phy_read(dev, 0x0814); backup[4] = bcm43xx_phy_read(dev, 0x0815); } backup[5] = bcm43xx_phy_read(dev, 0x005A); backup[6] = bcm43xx_phy_read(dev, 0x0059); backup[7] = bcm43xx_phy_read(dev, 0x0058); backup[8] = bcm43xx_phy_read(dev, 0x000A); backup[9] = bcm43xx_phy_read(dev, 0x0003); backup[10] = bcm43xx_radio_read16(dev, 0x007A); backup[11] = bcm43xx_radio_read16(dev, 0x0043); bcm43xx_phy_write(dev, 0x0429, bcm43xx_phy_read(dev, 0x0429) & 0x7FFF); bcm43xx_phy_write(dev, 0x0001, (bcm43xx_phy_read(dev, 0x0001) & 0x3FFF) | 0x4000); bcm43xx_phy_write(dev, 0x0811, bcm43xx_phy_read(dev, 0x0811) | 0x000C); bcm43xx_phy_write(dev, 0x0812, (bcm43xx_phy_read(dev, 0x0812) & 0xFFF3) | 0x0004); bcm43xx_phy_write(dev, 0x0802, bcm43xx_phy_read(dev, 0x0802) & ~(0x1 | 0x2)); if (phy->rev >= 6) { backup[12] = bcm43xx_phy_read(dev, 0x002E); backup[13] = bcm43xx_phy_read(dev, 0x002F); backup[14] = bcm43xx_phy_read(dev, 0x080F); backup[15] = bcm43xx_phy_read(dev, 0x0810); backup[16] = bcm43xx_phy_read(dev, 0x0801); backup[17] = bcm43xx_phy_read(dev, 0x0060); backup[18] = bcm43xx_phy_read(dev, 0x0014); backup[19] = bcm43xx_phy_read(dev, 0x0478); bcm43xx_phy_write(dev, 0x002E, 0); bcm43xx_phy_write(dev, 0x002F, 0); bcm43xx_phy_write(dev, 0x080F, 0); bcm43xx_phy_write(dev, 0x0810, 0); bcm43xx_phy_write(dev, 0x0478, bcm43xx_phy_read(dev, 0x0478) | 0x0100); bcm43xx_phy_write(dev, 0x0801, bcm43xx_phy_read(dev, 0x0801) | 0x0040); bcm43xx_phy_write(dev, 0x0060, bcm43xx_phy_read(dev, 0x0060) | 0x0040); bcm43xx_phy_write(dev, 0x0014, bcm43xx_phy_read(dev, 0x0014) | 0x0200); } bcm43xx_radio_write16(dev, 0x007A, bcm43xx_radio_read16(dev, 0x007A) | 0x0070); bcm43xx_radio_write16(dev, 0x007A, bcm43xx_radio_read16(dev, 0x007A) | 0x0080); udelay(30); v47F = (s16)((bcm43xx_phy_read(dev, 0x047F) >> 8) & 0x003F); if (v47F >= 0x20) v47F -= 0x40; if (v47F == 31) { for (i = 7; i >= 4; i--) { bcm43xx_radio_write16(dev, 0x007B, i); udelay(20); v47F = (s16)((bcm43xx_phy_read(dev, 0x047F) >> 8) & 0x003F); if (v47F >= 0x20) v47F -= 0x40; if (v47F < 31 && saved == 0xFFFF) saved = i; } if (saved == 0xFFFF) saved = 4; } else { bcm43xx_radio_write16(dev, 0x007A, bcm43xx_radio_read16(dev, 0x007A) & 0x007F); if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ bcm43xx_phy_write(dev, 0x0814, bcm43xx_phy_read(dev, 0x0814) | 0x0001); bcm43xx_phy_write(dev, 0x0815, bcm43xx_phy_read(dev, 0x0815) & 0xFFFE); } bcm43xx_phy_write(dev, 0x0811, bcm43xx_phy_read(dev, 0x0811) | 0x000C); bcm43xx_phy_write(dev, 0x0812, bcm43xx_phy_read(dev, 0x0812) | 0x000C); bcm43xx_phy_write(dev, 0x0811, bcm43xx_phy_read(dev, 0x0811) | 0x0030); bcm43xx_phy_write(dev, 0x0812, bcm43xx_phy_read(dev, 0x0812) | 0x0030); bcm43xx_phy_write(dev, 0x005A, 0x0480); bcm43xx_phy_write(dev, 0x0059, 0x0810); bcm43xx_phy_write(dev, 0x0058, 0x000D); if (phy->rev == 0) { bcm43xx_phy_write(dev, 0x0003, 0x0122); } else { bcm43xx_phy_write(dev, 0x000A, bcm43xx_phy_read(dev, 0x000A) | 0x2000); } if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ bcm43xx_phy_write(dev, 0x0814, bcm43xx_phy_read(dev, 0x0814) | 0x0004); bcm43xx_phy_write(dev, 0x0815, bcm43xx_phy_read(dev, 0x0815) & 0xFFFB); } bcm43xx_phy_write(dev, 0x0003, (bcm43xx_phy_read(dev, 0x0003) & 0xFF9F) | 0x0040); bcm43xx_radio_write16(dev, 0x007A, bcm43xx_radio_read16(dev, 0x007A) | 0x000F); bcm43xx_set_all_gains(dev, 3, 0, 1); bcm43xx_radio_write16(dev, 0x0043, (bcm43xx_radio_read16(dev, 0x0043) & 0x00F0) | 0x000F); udelay(30); v47F = (s16)((bcm43xx_phy_read(dev, 0x047F) >> 8) & 0x003F); if (v47F >= 0x20) v47F -= 0x40; if (v47F == -32) { for (i = 0; i < 4; i++) { bcm43xx_radio_write16(dev, 0x007B, i); udelay(20); v47F = (s16)((bcm43xx_phy_read(dev, 0x047F) >> 8) & 0x003F); if (v47F >= 0x20) v47F -= 0x40; if (v47F > -31 && saved == 0xFFFF) saved = i; } if (saved == 0xFFFF) saved = 3; } else saved = 0; } bcm43xx_radio_write16(dev, 0x007B, saved); if (phy->rev >= 6) { bcm43xx_phy_write(dev, 0x002E, backup[12]); bcm43xx_phy_write(dev, 0x002F, backup[13]); bcm43xx_phy_write(dev, 0x080F, backup[14]); bcm43xx_phy_write(dev, 0x0810, backup[15]); } if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ bcm43xx_phy_write(dev, 0x0814, backup[3]); bcm43xx_phy_write(dev, 0x0815, backup[4]); } bcm43xx_phy_write(dev, 0x005A, backup[5]); bcm43xx_phy_write(dev, 0x0059, backup[6]); bcm43xx_phy_write(dev, 0x0058, backup[7]); bcm43xx_phy_write(dev, 0x000A, backup[8]); bcm43xx_phy_write(dev, 0x0003, backup[9]); bcm43xx_radio_write16(dev, 0x0043, backup[11]); bcm43xx_radio_write16(dev, 0x007A, backup[10]); bcm43xx_phy_write(dev, 0x0802, bcm43xx_phy_read(dev, 0x0802) | 0x1 | 0x2); bcm43xx_phy_write(dev, 0x0429, bcm43xx_phy_read(dev, 0x0429) | 0x8000); bcm43xx_set_original_gains(dev); if (phy->rev >= 6) { bcm43xx_phy_write(dev, 0x0801, backup[16]); bcm43xx_phy_write(dev, 0x0060, backup[17]); bcm43xx_phy_write(dev, 0x0014, backup[18]); bcm43xx_phy_write(dev, 0x0478, backup[19]); } bcm43xx_phy_write(dev, 0x0001, backup[0]); bcm43xx_phy_write(dev, 0x0812, backup[2]); bcm43xx_phy_write(dev, 0x0811, backup[1]); } void bcm43xx_calc_nrssi_slope(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; u16 backup[18] = { 0 }; u16 tmp; s16 nrssi0, nrssi1; switch (phy->type) { case BCM43xx_PHYTYPE_B: backup[0] = bcm43xx_radio_read16(dev, 0x007A); backup[1] = bcm43xx_radio_read16(dev, 0x0052); backup[2] = bcm43xx_radio_read16(dev, 0x0043); backup[3] = bcm43xx_phy_read(dev, 0x0030); backup[4] = bcm43xx_phy_read(dev, 0x0026); backup[5] = bcm43xx_phy_read(dev, 0x0015); backup[6] = bcm43xx_phy_read(dev, 0x002A); backup[7] = bcm43xx_phy_read(dev, 0x0020); backup[8] = bcm43xx_phy_read(dev, 0x005A); backup[9] = bcm43xx_phy_read(dev, 0x0059); backup[10] = bcm43xx_phy_read(dev, 0x0058); backup[11] = bcm43xx_read16(dev, 0x03E2); backup[12] = bcm43xx_read16(dev, 0x03E6); backup[13] = bcm43xx_read16(dev, BCM43xx_MMIO_CHANNEL_EXT); tmp = bcm43xx_radio_read16(dev, 0x007A); tmp &= (phy->rev >= 5) ? 0x007F : 0x000F; bcm43xx_radio_write16(dev, 0x007A, tmp); bcm43xx_phy_write(dev, 0x0030, 0x00FF); bcm43xx_write16(dev, 0x03EC, 0x7F7F); bcm43xx_phy_write(dev, 0x0026, 0x0000); bcm43xx_phy_write(dev, 0x0015, bcm43xx_phy_read(dev, 0x0015) | 0x0020); bcm43xx_phy_write(dev, 0x002A, 0x08A3); bcm43xx_radio_write16(dev, 0x007A, bcm43xx_radio_read16(dev, 0x007A) | 0x0080); nrssi0 = (s16)bcm43xx_phy_read(dev, 0x0027); bcm43xx_radio_write16(dev, 0x007A, bcm43xx_radio_read16(dev, 0x007A) & 0x007F); if (phy->rev >= 2) { bcm43xx_write16(dev, 0x03E6, 0x0040); } else if (phy->rev == 0) { bcm43xx_write16(dev, 0x03E6, 0x0122); } else { bcm43xx_write16(dev, BCM43xx_MMIO_CHANNEL_EXT, bcm43xx_read16(dev, BCM43xx_MMIO_CHANNEL_EXT) & 0x2000); } bcm43xx_phy_write(dev, 0x0020, 0x3F3F); bcm43xx_phy_write(dev, 0x0015, 0xF330); bcm43xx_radio_write16(dev, 0x005A, 0x0060); bcm43xx_radio_write16(dev, 0x0043, bcm43xx_radio_read16(dev, 0x0043) & 0x00F0); bcm43xx_phy_write(dev, 0x005A, 0x0480); bcm43xx_phy_write(dev, 0x0059, 0x0810); bcm43xx_phy_write(dev, 0x0058, 0x000D); udelay(20); nrssi1 = (s16)bcm43xx_phy_read(dev, 0x0027); bcm43xx_phy_write(dev, 0x0030, backup[3]); bcm43xx_radio_write16(dev, 0x007A, backup[0]); bcm43xx_write16(dev, 0x03E2, backup[11]); bcm43xx_phy_write(dev, 0x0026, backup[4]); bcm43xx_phy_write(dev, 0x0015, backup[5]); bcm43xx_phy_write(dev, 0x002A, backup[6]); bcm43xx_synth_pu_workaround(dev, phy->channel); if (phy->rev != 0) bcm43xx_write16(dev, 0x03F4, backup[13]); bcm43xx_phy_write(dev, 0x0020, backup[7]); bcm43xx_phy_write(dev, 0x005A, backup[8]); bcm43xx_phy_write(dev, 0x0059, backup[9]); bcm43xx_phy_write(dev, 0x0058, backup[10]); bcm43xx_radio_write16(dev, 0x0052, backup[1]); bcm43xx_radio_write16(dev, 0x0043, backup[2]); if (nrssi0 == nrssi1) phy->nrssislope = 0x00010000; else phy->nrssislope = 0x00400000 / (nrssi0 - nrssi1); if (nrssi0 <= -4) { phy->nrssi[0] = nrssi0; phy->nrssi[1] = nrssi1; } break; case BCM43xx_PHYTYPE_G: if (phy->radio_rev >= 9) return; if (phy->radio_rev == 8) bcm43xx_calc_nrssi_offset(dev); bcm43xx_phy_write(dev, BCM43xx_PHY_G_CRS, bcm43xx_phy_read(dev, BCM43xx_PHY_G_CRS) & 0x7FFF); bcm43xx_phy_write(dev, 0x0802, bcm43xx_phy_read(dev, 0x0802) & 0xFFFC); backup[7] = bcm43xx_read16(dev, 0x03E2); bcm43xx_write16(dev, 0x03E2, bcm43xx_read16(dev, 0x03E2) | 0x8000); backup[0] = bcm43xx_radio_read16(dev, 0x007A); backup[1] = bcm43xx_radio_read16(dev, 0x0052); backup[2] = bcm43xx_radio_read16(dev, 0x0043); backup[3] = bcm43xx_phy_read(dev, 0x0015); backup[4] = bcm43xx_phy_read(dev, 0x005A); backup[5] = bcm43xx_phy_read(dev, 0x0059); backup[6] = bcm43xx_phy_read(dev, 0x0058); backup[8] = bcm43xx_read16(dev, 0x03E6); backup[9] = bcm43xx_read16(dev, BCM43xx_MMIO_CHANNEL_EXT); if (phy->rev >= 3) { backup[10] = bcm43xx_phy_read(dev, 0x002E); backup[11] = bcm43xx_phy_read(dev, 0x002F); backup[12] = bcm43xx_phy_read(dev, 0x080F); backup[13] = bcm43xx_phy_read(dev, BCM43xx_PHY_G_LO_CONTROL); backup[14] = bcm43xx_phy_read(dev, 0x0801); backup[15] = bcm43xx_phy_read(dev, 0x0060); backup[16] = bcm43xx_phy_read(dev, 0x0014); backup[17] = bcm43xx_phy_read(dev, 0x0478); bcm43xx_phy_write(dev, 0x002E, 0); bcm43xx_phy_write(dev, BCM43xx_PHY_G_LO_CONTROL, 0); switch (phy->rev) { case 4: case 6: case 7: bcm43xx_phy_write(dev, 0x0478, bcm43xx_phy_read(dev, 0x0478) | 0x0100); bcm43xx_phy_write(dev, 0x0801, bcm43xx_phy_read(dev, 0x0801) | 0x0040); break; case 3: case 5: bcm43xx_phy_write(dev, 0x0801, bcm43xx_phy_read(dev, 0x0801) & 0xFFBF); break; } bcm43xx_phy_write(dev, 0x0060, bcm43xx_phy_read(dev, 0x0060) | 0x0040); bcm43xx_phy_write(dev, 0x0014, bcm43xx_phy_read(dev, 0x0014) | 0x0200); } bcm43xx_radio_write16(dev, 0x007A, bcm43xx_radio_read16(dev, 0x007A) | 0x0070); bcm43xx_set_all_gains(dev, 0, 8, 0); bcm43xx_radio_write16(dev, 0x007A, bcm43xx_radio_read16(dev, 0x007A) & 0x00F7); if (phy->rev >= 2) { bcm43xx_phy_write(dev, 0x0811, (bcm43xx_phy_read(dev, 0x0811) & 0xFFCF) | 0x0030); bcm43xx_phy_write(dev, 0x0812, (bcm43xx_phy_read(dev, 0x0812) & 0xFFCF) | 0x0010); } bcm43xx_radio_write16(dev, 0x007A, bcm43xx_radio_read16(dev, 0x007A) | 0x0080); udelay(20); nrssi0 = (s16)((bcm43xx_phy_read(dev, 0x047F) >> 8) & 0x003F); if (nrssi0 >= 0x0020) nrssi0 -= 0x0040; bcm43xx_radio_write16(dev, 0x007A, bcm43xx_radio_read16(dev, 0x007A) & 0x007F); if (phy->rev >= 2) { bcm43xx_phy_write(dev, 0x0003, (bcm43xx_phy_read(dev, 0x0003) & 0xFF9F) | 0x0040); } bcm43xx_write16(dev, BCM43xx_MMIO_CHANNEL_EXT, bcm43xx_read16(dev, BCM43xx_MMIO_CHANNEL_EXT) | 0x2000); bcm43xx_radio_write16(dev, 0x007A, bcm43xx_radio_read16(dev, 0x007A) | 0x000F); bcm43xx_phy_write(dev, 0x0015, 0xF330); if (phy->rev >= 2) { bcm43xx_phy_write(dev, 0x0812, (bcm43xx_phy_read(dev, 0x0812) & 0xFFCF) | 0x0020); bcm43xx_phy_write(dev, 0x0811, (bcm43xx_phy_read(dev, 0x0811) & 0xFFCF) | 0x0020); } bcm43xx_set_all_gains(dev, 3, 0, 1); if (phy->radio_rev == 8) { bcm43xx_radio_write16(dev, 0x0043, 0x001F); } else { tmp = bcm43xx_radio_read16(dev, 0x0052) & 0xFF0F; bcm43xx_radio_write16(dev, 0x0052, tmp | 0x0060); tmp = bcm43xx_radio_read16(dev, 0x0043) & 0xFFF0; bcm43xx_radio_write16(dev, 0x0043, tmp | 0x0009); } bcm43xx_phy_write(dev, 0x005A, 0x0480); bcm43xx_phy_write(dev, 0x0059, 0x0810); bcm43xx_phy_write(dev, 0x0058, 0x000D); udelay(20); nrssi1 = (s16)((bcm43xx_phy_read(dev, 0x047F) >> 8) & 0x003F); if (nrssi1 >= 0x0020) nrssi1 -= 0x0040; if (nrssi0 == nrssi1) phy->nrssislope = 0x00010000; else phy->nrssislope = 0x00400000 / (nrssi0 - nrssi1); if (nrssi0 >= -4) { phy->nrssi[0] = nrssi1; phy->nrssi[1] = nrssi0; } if (phy->rev >= 3) { bcm43xx_phy_write(dev, 0x002E, backup[10]); bcm43xx_phy_write(dev, 0x002F, backup[11]); bcm43xx_phy_write(dev, 0x080F, backup[12]); bcm43xx_phy_write(dev, BCM43xx_PHY_G_LO_CONTROL, backup[13]); } if (phy->rev >= 2) { bcm43xx_phy_write(dev, 0x0812, bcm43xx_phy_read(dev, 0x0812) & 0xFFCF); bcm43xx_phy_write(dev, 0x0811, bcm43xx_phy_read(dev, 0x0811) & 0xFFCF); } bcm43xx_radio_write16(dev, 0x007A, backup[0]); bcm43xx_radio_write16(dev, 0x0052, backup[1]); bcm43xx_radio_write16(dev, 0x0043, backup[2]); bcm43xx_write16(dev, 0x03E2, backup[7]); bcm43xx_write16(dev, 0x03E6, backup[8]); bcm43xx_write16(dev, BCM43xx_MMIO_CHANNEL_EXT, backup[9]); bcm43xx_phy_write(dev, 0x0015, backup[3]); bcm43xx_phy_write(dev, 0x005A, backup[4]); bcm43xx_phy_write(dev, 0x0059, backup[5]); bcm43xx_phy_write(dev, 0x0058, backup[6]); bcm43xx_synth_pu_workaround(dev, phy->channel); bcm43xx_phy_write(dev, 0x0802, bcm43xx_phy_read(dev, 0x0802) | (0x0001 | 0x0002)); bcm43xx_set_original_gains(dev); bcm43xx_phy_write(dev, BCM43xx_PHY_G_CRS, bcm43xx_phy_read(dev, BCM43xx_PHY_G_CRS) | 0x8000); if (phy->rev >= 3) { bcm43xx_phy_write(dev, 0x0801, backup[14]); bcm43xx_phy_write(dev, 0x0060, backup[15]); bcm43xx_phy_write(dev, 0x0014, backup[16]); bcm43xx_phy_write(dev, 0x0478, backup[17]); } bcm43xx_nrssi_mem_update(dev); bcm43xx_calc_nrssi_threshold(dev); break; default: assert(0); } } void bcm43xx_calc_nrssi_threshold(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; s32 threshold; s32 a, b; s16 tmp16; u16 tmp_u16; switch (phy->type) { case BCM43xx_PHYTYPE_B: { if (phy->radio_ver != 0x2050) return; if (!(dev->dev->bus->sprom.r1.boardflags_lo & BCM43xx_BFL_RSSI)) return; if (phy->radio_rev >= 6) { threshold = (phy->nrssi[1] - phy->nrssi[0]) * 32; threshold += 20 * (phy->nrssi[0] + 1); threshold /= 40; } else threshold = phy->nrssi[1] - 5; threshold = limit_value(threshold, 0, 0x3E); bcm43xx_phy_read(dev, 0x0020); /* dummy read */ bcm43xx_phy_write(dev, 0x0020, (((u16)threshold) << 8) | 0x001C); if (phy->radio_rev >= 6) { bcm43xx_phy_write(dev, 0x0087, 0x0E0D); bcm43xx_phy_write(dev, 0x0086, 0x0C0B); bcm43xx_phy_write(dev, 0x0085, 0x0A09); bcm43xx_phy_write(dev, 0x0084, 0x0808); bcm43xx_phy_write(dev, 0x0083, 0x0808); bcm43xx_phy_write(dev, 0x0082, 0x0604); bcm43xx_phy_write(dev, 0x0081, 0x0302); bcm43xx_phy_write(dev, 0x0080, 0x0100); } break; } case BCM43xx_PHYTYPE_G: if (!phy->gmode || !(dev->dev->bus->sprom.r1.boardflags_lo & BCM43xx_BFL_RSSI)) { tmp16 = bcm43xx_nrssi_hw_read(dev, 0x20); if (tmp16 >= 0x20) tmp16 -= 0x40; if (tmp16 < 3) { bcm43xx_phy_write(dev, 0x048A, (bcm43xx_phy_read(dev, 0x048A) & 0xF000) | 0x09EB); } else { bcm43xx_phy_write(dev, 0x048A, (bcm43xx_phy_read(dev, 0x048A) & 0xF000) | 0x0AED); } } else { if (phy->interfmode == BCM43xx_INTERFMODE_NONWLAN) { a = 0xE; b = 0xA; } else if (!phy->aci_wlan_automatic && phy->aci_enable) { a = 0x13; b = 0x12; } else { a = 0xE; b = 0x11; } a = a * (phy->nrssi[1] - phy->nrssi[0]); a += (phy->nrssi[0] << 6); if (a < 32) a += 31; else a += 32; a = a >> 6; a = limit_value(a, -31, 31); b = b * (phy->nrssi[1] - phy->nrssi[0]); b += (phy->nrssi[0] << 6); if (b < 32) b += 31; else b += 32; b = b >> 6; b = limit_value(b, -31, 31); tmp_u16 = bcm43xx_phy_read(dev, 0x048A) & 0xF000; tmp_u16 |= ((u32)b & 0x0000003F); tmp_u16 |= (((u32)a & 0x0000003F) << 6); bcm43xx_phy_write(dev, 0x048A, tmp_u16); } break; default: assert(0); } } /* Stack implementation to save/restore values from the * interference mitigation code. * It is save to restore values in random order. */ static void _stack_save(u32 *_stackptr, size_t *stackidx, u8 id, u16 offset, u16 value) { u32 *stackptr = &(_stackptr[*stackidx]); assert((offset & 0xF000) == 0x0000); assert((id & 0xF0) == 0x00); *stackptr = offset; *stackptr |= ((u32)id) << 12; *stackptr |= ((u32)value) << 16; (*stackidx)++; assert(*stackidx < BCM43xx_INTERFSTACK_SIZE); } static u16 _stack_restore(u32 *stackptr, u8 id, u16 offset) { size_t i; assert((offset & 0xF000) == 0x0000); assert((id & 0xF0) == 0x00); for (i = 0; i < BCM43xx_INTERFSTACK_SIZE; i++, stackptr++) { if ((*stackptr & 0x00000FFF) != offset) continue; if (((*stackptr & 0x0000F000) >> 12) != id) continue; return ((*stackptr & 0xFFFF0000) >> 16); } assert(0); return 0; } #define phy_stacksave(offset) \ do { \ _stack_save(stack, &stackidx, 0x1, (offset), \ bcm43xx_phy_read(dev, (offset))); \ } while (0) #define phy_stackrestore(offset) \ do { \ bcm43xx_phy_write(dev, (offset), \ _stack_restore(stack, 0x1, \ (offset))); \ } while (0) #define radio_stacksave(offset) \ do { \ _stack_save(stack, &stackidx, 0x2, (offset), \ bcm43xx_radio_read16(dev, (offset))); \ } while (0) #define radio_stackrestore(offset) \ do { \ bcm43xx_radio_write16(dev, (offset), \ _stack_restore(stack, 0x2, \ (offset))); \ } while (0) #define ofdmtab_stacksave(table, offset) \ do { \ _stack_save(stack, &stackidx, 0x3, (offset)|(table), \ bcm43xx_ofdmtab_read16(dev, (table), (offset))); \ } while (0) #define ofdmtab_stackrestore(table, offset) \ do { \ bcm43xx_ofdmtab_write16(dev, (table), (offset), \ _stack_restore(stack, 0x3, \ (offset)|(table))); \ } while (0) static void bcm43xx_radio_interference_mitigation_enable(struct bcm43xx_wldev *dev, int mode) { struct bcm43xx_phy *phy = &dev->phy; u16 tmp, flipped; size_t stackidx = 0; u32 *stack = phy->interfstack; switch (mode) { case BCM43xx_INTERFMODE_NONWLAN: if (phy->rev != 1) { bcm43xx_phy_write(dev, 0x042B, bcm43xx_phy_read(dev, 0x042B) | 0x0800); bcm43xx_phy_write(dev, BCM43xx_PHY_G_CRS, bcm43xx_phy_read(dev, BCM43xx_PHY_G_CRS) & ~0x4000); break; } radio_stacksave(0x0078); tmp = (bcm43xx_radio_read16(dev, 0x0078) & 0x001E); flipped = flip_4bit(tmp); if (flipped < 10 && flipped >= 8) flipped = 7; else if (flipped >= 10) flipped -= 3; flipped = flip_4bit(flipped); flipped = (flipped << 1) | 0x0020; bcm43xx_radio_write16(dev, 0x0078, flipped); bcm43xx_calc_nrssi_threshold(dev); phy_stacksave(0x0406); bcm43xx_phy_write(dev, 0x0406, 0x7E28); bcm43xx_phy_write(dev, 0x042B, bcm43xx_phy_read(dev, 0x042B) | 0x0800); bcm43xx_phy_write(dev, BCM43xx_PHY_RADIO_BITFIELD, bcm43xx_phy_read(dev, BCM43xx_PHY_RADIO_BITFIELD) | 0x1000); phy_stacksave(0x04A0); bcm43xx_phy_write(dev, 0x04A0, (bcm43xx_phy_read(dev, 0x04A0) & 0xC0C0) | 0x0008); phy_stacksave(0x04A1); bcm43xx_phy_write(dev, 0x04A1, (bcm43xx_phy_read(dev, 0x04A1) & 0xC0C0) | 0x0605); phy_stacksave(0x04A2); bcm43xx_phy_write(dev, 0x04A2, (bcm43xx_phy_read(dev, 0x04A2) & 0xC0C0) | 0x0204); phy_stacksave(0x04A8); bcm43xx_phy_write(dev, 0x04A8, (bcm43xx_phy_read(dev, 0x04A8) & 0xC0C0) | 0x0803); phy_stacksave(0x04AB); bcm43xx_phy_write(dev, 0x04AB, (bcm43xx_phy_read(dev, 0x04AB) & 0xC0C0) | 0x0605); phy_stacksave(0x04A7); bcm43xx_phy_write(dev, 0x04A7, 0x0002); phy_stacksave(0x04A3); bcm43xx_phy_write(dev, 0x04A3, 0x287A); phy_stacksave(0x04A9); bcm43xx_phy_write(dev, 0x04A9, 0x2027); phy_stacksave(0x0493); bcm43xx_phy_write(dev, 0x0493, 0x32F5); phy_stacksave(0x04AA); bcm43xx_phy_write(dev, 0x04AA, 0x2027); phy_stacksave(0x04AC); bcm43xx_phy_write(dev, 0x04AC, 0x32F5); break; case BCM43xx_INTERFMODE_MANUALWLAN: if (bcm43xx_phy_read(dev, 0x0033) & 0x0800) break; phy->aci_enable = 1; phy_stacksave(BCM43xx_PHY_RADIO_BITFIELD); phy_stacksave(BCM43xx_PHY_G_CRS); if (phy->rev < 2) { phy_stacksave(0x0406); } else { phy_stacksave(0x04C0); phy_stacksave(0x04C1); } phy_stacksave(0x0033); phy_stacksave(0x04A7); phy_stacksave(0x04A3); phy_stacksave(0x04A9); phy_stacksave(0x04AA); phy_stacksave(0x04AC); phy_stacksave(0x0493); phy_stacksave(0x04A1); phy_stacksave(0x04A0); phy_stacksave(0x04A2); phy_stacksave(0x048A); phy_stacksave(0x04A8); phy_stacksave(0x04AB); if (phy->rev == 2) { phy_stacksave(0x04AD); phy_stacksave(0x04AE); } else if (phy->rev >= 3) { phy_stacksave(0x04AD); phy_stacksave(0x0415); phy_stacksave(0x0416); phy_stacksave(0x0417); ofdmtab_stacksave(0x1A00, 0x2); ofdmtab_stacksave(0x1A00, 0x3); } phy_stacksave(0x042B); phy_stacksave(0x048C); bcm43xx_phy_write(dev, BCM43xx_PHY_RADIO_BITFIELD, bcm43xx_phy_read(dev, BCM43xx_PHY_RADIO_BITFIELD) & ~0x1000); bcm43xx_phy_write(dev, BCM43xx_PHY_G_CRS, (bcm43xx_phy_read(dev, BCM43xx_PHY_G_CRS) & 0xFFFC) | 0x0002); bcm43xx_phy_write(dev, 0x0033, 0x0800); bcm43xx_phy_write(dev, 0x04A3, 0x2027); bcm43xx_phy_write(dev, 0x04A9, 0x1CA8); bcm43xx_phy_write(dev, 0x0493, 0x287A); bcm43xx_phy_write(dev, 0x04AA, 0x1CA8); bcm43xx_phy_write(dev, 0x04AC, 0x287A); bcm43xx_phy_write(dev, 0x04A0, (bcm43xx_phy_read(dev, 0x04A0) & 0xFFC0) | 0x001A); bcm43xx_phy_write(dev, 0x04A7, 0x000D); if (phy->rev < 2) { bcm43xx_phy_write(dev, 0x0406, 0xFF0D); } else if (phy->rev == 2) { bcm43xx_phy_write(dev, 0x04C0, 0xFFFF); bcm43xx_phy_write(dev, 0x04C1, 0x00A9); } else { bcm43xx_phy_write(dev, 0x04C0, 0x00C1); bcm43xx_phy_write(dev, 0x04C1, 0x0059); } bcm43xx_phy_write(dev, 0x04A1, (bcm43xx_phy_read(dev, 0x04A1) & 0xC0FF) | 0x1800); bcm43xx_phy_write(dev, 0x04A1, (bcm43xx_phy_read(dev, 0x04A1) & 0xFFC0) | 0x0015); bcm43xx_phy_write(dev, 0x04A8, (bcm43xx_phy_read(dev, 0x04A8) & 0xCFFF) | 0x1000); bcm43xx_phy_write(dev, 0x04A8, (bcm43xx_phy_read(dev, 0x04A8) & 0xF0FF) | 0x0A00); bcm43xx_phy_write(dev, 0x04AB, (bcm43xx_phy_read(dev, 0x04AB) & 0xCFFF) | 0x1000); bcm43xx_phy_write(dev, 0x04AB, (bcm43xx_phy_read(dev, 0x04AB) & 0xF0FF) | 0x0800); bcm43xx_phy_write(dev, 0x04AB, (bcm43xx_phy_read(dev, 0x04AB) & 0xFFCF) | 0x0010); bcm43xx_phy_write(dev, 0x04AB, (bcm43xx_phy_read(dev, 0x04AB) & 0xFFF0) | 0x0005); bcm43xx_phy_write(dev, 0x04A8, (bcm43xx_phy_read(dev, 0x04A8) & 0xFFCF) | 0x0010); bcm43xx_phy_write(dev, 0x04A8, (bcm43xx_phy_read(dev, 0x04A8) & 0xFFF0) | 0x0006); bcm43xx_phy_write(dev, 0x04A2, (bcm43xx_phy_read(dev, 0x04A2) & 0xF0FF) | 0x0800); bcm43xx_phy_write(dev, 0x04A0, (bcm43xx_phy_read(dev, 0x04A0) & 0xF0FF) | 0x0500); bcm43xx_phy_write(dev, 0x04A2, (bcm43xx_phy_read(dev, 0x04A2) & 0xFFF0) | 0x000B); if (phy->rev >= 3) { bcm43xx_phy_write(dev, 0x048A, bcm43xx_phy_read(dev, 0x048A) & ~0x8000); bcm43xx_phy_write(dev, 0x0415, (bcm43xx_phy_read(dev, 0x0415) & 0x8000) | 0x36D8); bcm43xx_phy_write(dev, 0x0416, (bcm43xx_phy_read(dev, 0x0416) & 0x8000) | 0x36D8); bcm43xx_phy_write(dev, 0x0417, (bcm43xx_phy_read(dev, 0x0417) & 0xFE00) | 0x016D); } else { bcm43xx_phy_write(dev, 0x048A, bcm43xx_phy_read(dev, 0x048A) | 0x1000); bcm43xx_phy_write(dev, 0x048A, (bcm43xx_phy_read(dev, 0x048A) & 0x9FFF) | 0x2000); bcm43xx_hf_write(dev, bcm43xx_hf_read(dev) | BCM43xx_HF_ACIW); } if (phy->rev >= 2) { bcm43xx_phy_write(dev, 0x042B, bcm43xx_phy_read(dev, 0x042B) | 0x0800); } bcm43xx_phy_write(dev, 0x048C, (bcm43xx_phy_read(dev, 0x048C) & 0xF0FF) | 0x0200); if (phy->rev == 2) { bcm43xx_phy_write(dev, 0x04AE, (bcm43xx_phy_read(dev, 0x04AE) & 0xFF00) | 0x007F); bcm43xx_phy_write(dev, 0x04AD, (bcm43xx_phy_read(dev, 0x04AD) & 0x00FF) | 0x1300); } else if (phy->rev >= 6) { bcm43xx_ofdmtab_write16(dev, 0x1A00, 0x3, 0x007F); bcm43xx_ofdmtab_write16(dev, 0x1A00, 0x2, 0x007F); bcm43xx_phy_write(dev, 0x04AD, bcm43xx_phy_read(dev, 0x04AD) & 0x00FF); } bcm43xx_calc_nrssi_slope(dev); break; default: assert(0); } } static void bcm43xx_radio_interference_mitigation_disable(struct bcm43xx_wldev *dev, int mode) { struct bcm43xx_phy *phy = &dev->phy; u32 *stack = phy->interfstack; switch (mode) { case BCM43xx_INTERFMODE_NONWLAN: if (phy->rev != 1) { bcm43xx_phy_write(dev, 0x042B, bcm43xx_phy_read(dev, 0x042B) & ~0x0800); bcm43xx_phy_write(dev, BCM43xx_PHY_G_CRS, bcm43xx_phy_read(dev, BCM43xx_PHY_G_CRS) | 0x4000); break; } radio_stackrestore(0x0078); bcm43xx_calc_nrssi_threshold(dev); phy_stackrestore(0x0406); bcm43xx_phy_write(dev, 0x042B, bcm43xx_phy_read(dev, 0x042B) & ~0x0800); if (!dev->bad_frames_preempt) { bcm43xx_phy_write(dev, BCM43xx_PHY_RADIO_BITFIELD, bcm43xx_phy_read(dev, BCM43xx_PHY_RADIO_BITFIELD) & ~(1 << 11)); } bcm43xx_phy_write(dev, BCM43xx_PHY_G_CRS, bcm43xx_phy_read(dev, BCM43xx_PHY_G_CRS) | 0x4000); phy_stackrestore(0x04A0); phy_stackrestore(0x04A1); phy_stackrestore(0x04A2); phy_stackrestore(0x04A8); phy_stackrestore(0x04AB); phy_stackrestore(0x04A7); phy_stackrestore(0x04A3); phy_stackrestore(0x04A9); phy_stackrestore(0x0493); phy_stackrestore(0x04AA); phy_stackrestore(0x04AC); break; case BCM43xx_INTERFMODE_MANUALWLAN: if (!(bcm43xx_phy_read(dev, 0x0033) & 0x0800)) break; phy->aci_enable = 0; phy_stackrestore(BCM43xx_PHY_RADIO_BITFIELD); phy_stackrestore(BCM43xx_PHY_G_CRS); phy_stackrestore(0x0033); phy_stackrestore(0x04A3); phy_stackrestore(0x04A9); phy_stackrestore(0x0493); phy_stackrestore(0x04AA); phy_stackrestore(0x04AC); phy_stackrestore(0x04A0); phy_stackrestore(0x04A7); if (phy->rev >= 2) { phy_stackrestore(0x04C0); phy_stackrestore(0x04C1); } else phy_stackrestore(0x0406); phy_stackrestore(0x04A1); phy_stackrestore(0x04AB); phy_stackrestore(0x04A8); if (phy->rev == 2) { phy_stackrestore(0x04AD); phy_stackrestore(0x04AE); } else if (phy->rev >= 3) { phy_stackrestore(0x04AD); phy_stackrestore(0x0415); phy_stackrestore(0x0416); phy_stackrestore(0x0417); ofdmtab_stackrestore(0x1A00, 0x2); ofdmtab_stackrestore(0x1A00, 0x3); } phy_stackrestore(0x04A2); phy_stackrestore(0x048A); phy_stackrestore(0x042B); phy_stackrestore(0x048C); bcm43xx_hf_write(dev, bcm43xx_hf_read(dev) & ~BCM43xx_HF_ACIW); bcm43xx_calc_nrssi_slope(dev); break; default: assert(0); } } #undef phy_stacksave #undef phy_stackrestore #undef radio_stacksave #undef radio_stackrestore #undef ofdmtab_stacksave #undef ofdmtab_stackrestore int bcm43xx_radio_set_interference_mitigation(struct bcm43xx_wldev *dev, int mode) { struct bcm43xx_phy *phy = &dev->phy; int currentmode; if ((phy->type != BCM43xx_PHYTYPE_G) || (phy->rev == 0) || (!phy->gmode)) return -ENODEV; phy->aci_wlan_automatic = 0; switch (mode) { case BCM43xx_INTERFMODE_AUTOWLAN: phy->aci_wlan_automatic = 1; if (phy->aci_enable) mode = BCM43xx_INTERFMODE_MANUALWLAN; else mode = BCM43xx_INTERFMODE_NONE; break; case BCM43xx_INTERFMODE_NONE: case BCM43xx_INTERFMODE_NONWLAN: case BCM43xx_INTERFMODE_MANUALWLAN: break; default: return -EINVAL; } currentmode = phy->interfmode; if (currentmode == mode) return 0; if (currentmode != BCM43xx_INTERFMODE_NONE) bcm43xx_radio_interference_mitigation_disable(dev, currentmode); if (mode == BCM43xx_INTERFMODE_NONE) { phy->aci_enable = 0; phy->aci_hw_rssi = 0; } else bcm43xx_radio_interference_mitigation_enable(dev, mode); phy->interfmode = mode; return 0; } static u16 bcm43xx_radio_core_calibration_value(struct bcm43xx_wldev *dev) { u16 reg, index, ret; static const u8 rcc_table[] = { 0x02, 0x03, 0x01, 0x0F, 0x06, 0x07, 0x05, 0x0F, 0x0A, 0x0B, 0x09, 0x0F, 0x0E, 0x0F, 0x0D, 0x0F, }; reg = bcm43xx_radio_read16(dev, 0x60); index = (reg & 0x001E) >> 1; ret = rcc_table[index] << 1; ret |= (reg & 0x0001); ret |= 0x0020; return ret; } #define LPD(L, P, D) (((L) << 2) | ((P) << 1) | ((D) << 0)) static u16 radio2050_rfover_val(struct bcm43xx_wldev *dev, u16 phy_register, unsigned int lpd) { struct bcm43xx_phy *phy = &dev->phy; struct ssb_sprom *sprom = &(dev->dev->bus->sprom); if (!phy->gmode) return 0; if (has_loopback_gain(phy)) { int max_lb_gain = phy->max_lb_gain; u16 extlna; u16 i; if (phy->radio_rev == 8) max_lb_gain += 0x3E; else max_lb_gain += 0x26; if (max_lb_gain >= 0x46) { extlna = 0x3000; max_lb_gain -= 0x46; } else if (max_lb_gain >= 0x3A) { extlna = 0x1000; max_lb_gain -= 0x3A; } else if (max_lb_gain >= 0x2E) { extlna = 0x2000; max_lb_gain -= 0x2E; } else { extlna = 0; max_lb_gain -= 0x10; } for (i = 0; i < 16; i++) { max_lb_gain -= (i * 6); if (max_lb_gain < 6) break; } if ((phy->rev < 7) || !(sprom->r1.boardflags_lo & BCM43xx_BFL_EXTLNA)) { if (phy_register == BCM43xx_PHY_RFOVER) { return 0x1B3; } else if (phy_register == BCM43xx_PHY_RFOVERVAL) { extlna |= (i << 8); switch (lpd) { case LPD(0, 1, 1): return 0x0F92; case LPD(0, 0, 1): case LPD(1, 0, 1): return (0x0092 | extlna); case LPD(1, 0, 0): return (0x0093 | extlna); } assert(0); } assert(0); } else { if (phy_register == BCM43xx_PHY_RFOVER) { return 0x9B3; } else if (phy_register == BCM43xx_PHY_RFOVERVAL) { if (extlna) extlna |= 0x8000; extlna |= (i << 8); switch (lpd) { case LPD(0, 1, 1): return 0x8F92; case LPD(0, 0, 1): return (0x8092 | extlna); case LPD(1, 0, 1): return (0x2092 | extlna); case LPD(1, 0, 0): return (0x2093 | extlna); } assert(0); } assert(0); } } else { if ((phy->rev < 7) || !(sprom->r1.boardflags_lo & BCM43xx_BFL_EXTLNA)) { if (phy_register == BCM43xx_PHY_RFOVER) { return 0x1B3; } else if (phy_register == BCM43xx_PHY_RFOVERVAL) { switch (lpd) { case LPD(0, 1, 1): return 0x0FB2; case LPD(0, 0, 1): return 0x00B2; case LPD(1, 0, 1): return 0x30B2; case LPD(1, 0, 0): return 0x30B3; } assert(0); } assert(0); } else { if (phy_register == BCM43xx_PHY_RFOVER) { return 0x9B3; } else if (phy_register == BCM43xx_PHY_RFOVERVAL) { switch (lpd) { case LPD(0, 1, 1): return 0x8FB2; case LPD(0, 0, 1): return 0x80B2; case LPD(1, 0, 1): return 0x20B2; case LPD(1, 0, 0): return 0x20B3; } assert(0); } assert(0); } } return 0; } struct init2050_saved_values { /* Core registers */ u16 reg_3EC; u16 reg_3E6; u16 reg_3F4; /* Radio registers */ u16 radio_43; u16 radio_51; u16 radio_52; /* PHY registers */ u16 phy_pgactl; u16 phy_base_5A; u16 phy_base_59; u16 phy_base_58; u16 phy_base_30; u16 phy_rfover; u16 phy_rfoverval; u16 phy_analogover; u16 phy_analogoverval; u16 phy_crs0; u16 phy_classctl; u16 phy_lo_mask; u16 phy_lo_ctl; u16 phy_syncctl; }; u16 bcm43xx_radio_init2050(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; struct init2050_saved_values sav; u16 rcc; u16 radio78; u16 ret; u16 i, j; u32 tmp1 = 0, tmp2 = 0; memset(&sav, 0, sizeof(sav)); /* get rid of "may be used uninitialized..." */ sav.radio_43 = bcm43xx_radio_read16(dev, 0x43); sav.radio_51 = bcm43xx_radio_read16(dev, 0x51); sav.radio_52 = bcm43xx_radio_read16(dev, 0x52); sav.phy_pgactl = bcm43xx_phy_read(dev, BCM43xx_PHY_PGACTL); sav.phy_base_5A = bcm43xx_phy_read(dev, BCM43xx_PHY_BASE(0x5A)); sav.phy_base_59 = bcm43xx_phy_read(dev, BCM43xx_PHY_BASE(0x59)); sav.phy_base_58 = bcm43xx_phy_read(dev, BCM43xx_PHY_BASE(0x58)); if (phy->type == BCM43xx_PHYTYPE_B) { sav.phy_base_30 = bcm43xx_phy_read(dev, BCM43xx_PHY_BASE(0x30)); sav.reg_3EC = bcm43xx_read16(dev, 0x3EC); bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x30), 0xFF); bcm43xx_write16(dev, 0x3EC, 0x3F3F); } else if (phy->gmode || phy->rev >= 2) { sav.phy_rfover = bcm43xx_phy_read(dev, BCM43xx_PHY_RFOVER); sav.phy_rfoverval = bcm43xx_phy_read(dev, BCM43xx_PHY_RFOVERVAL); sav.phy_analogover = bcm43xx_phy_read(dev, BCM43xx_PHY_ANALOGOVER); sav.phy_analogoverval = bcm43xx_phy_read(dev, BCM43xx_PHY_ANALOGOVERVAL); sav.phy_crs0 = bcm43xx_phy_read(dev, BCM43xx_PHY_CRS0); sav.phy_classctl = bcm43xx_phy_read(dev, BCM43xx_PHY_CLASSCTL); bcm43xx_phy_write(dev, BCM43xx_PHY_ANALOGOVER, bcm43xx_phy_read(dev, BCM43xx_PHY_ANALOGOVER) | 0x0003); bcm43xx_phy_write(dev, BCM43xx_PHY_ANALOGOVERVAL, bcm43xx_phy_read(dev, BCM43xx_PHY_ANALOGOVERVAL) & 0xFFFC); bcm43xx_phy_write(dev, BCM43xx_PHY_CRS0, bcm43xx_phy_read(dev, BCM43xx_PHY_CRS0) & 0x7FFF); bcm43xx_phy_write(dev, BCM43xx_PHY_CLASSCTL, bcm43xx_phy_read(dev, BCM43xx_PHY_CLASSCTL) & 0xFFFC); if (has_loopback_gain(phy)) { sav.phy_lo_mask = bcm43xx_phy_read(dev, BCM43xx_PHY_LO_MASK); sav.phy_lo_ctl = bcm43xx_phy_read(dev, BCM43xx_PHY_LO_CTL); if (phy->rev >= 3) bcm43xx_phy_write(dev, BCM43xx_PHY_LO_MASK, 0xC020); else bcm43xx_phy_write(dev, BCM43xx_PHY_LO_MASK, 0x8020); bcm43xx_phy_write(dev, BCM43xx_PHY_LO_CTL, 0); } bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVERVAL, radio2050_rfover_val(dev, BCM43xx_PHY_RFOVERVAL, LPD(0, 1, 1))); bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVER, radio2050_rfover_val(dev, BCM43xx_PHY_RFOVER, 0)); } bcm43xx_write16(dev, 0x3E2, bcm43xx_read16(dev, 0x3E2) | 0x8000); sav.phy_syncctl = bcm43xx_phy_read(dev, BCM43xx_PHY_SYNCCTL); bcm43xx_phy_write(dev, BCM43xx_PHY_SYNCCTL, bcm43xx_phy_read(dev, BCM43xx_PHY_SYNCCTL) & 0xFF7F); sav.reg_3E6 = bcm43xx_read16(dev, 0x3E6); sav.reg_3F4 = bcm43xx_read16(dev, 0x3F4); if (phy->analog == 0) { bcm43xx_write16(dev, 0x03E6, 0x0122); } else { if (phy->analog >= 2) { bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x03), (bcm43xx_phy_read(dev, BCM43xx_PHY_BASE(0x03)) & 0xFFBF) | 0x40); } bcm43xx_write16(dev, BCM43xx_MMIO_CHANNEL_EXT, (bcm43xx_read16(dev, BCM43xx_MMIO_CHANNEL_EXT) | 0x2000)); } rcc = bcm43xx_radio_core_calibration_value(dev); if (phy->type == BCM43xx_PHYTYPE_B) bcm43xx_radio_write16(dev, 0x78, 0x26); if (phy->gmode || phy->rev >= 2) { bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVERVAL, radio2050_rfover_val(dev, BCM43xx_PHY_RFOVERVAL, LPD(0, 1, 1))); } bcm43xx_phy_write(dev, BCM43xx_PHY_PGACTL, 0xBFAF); bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x2B), 0x1403); if (phy->gmode || phy->rev >= 2) { bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVERVAL, radio2050_rfover_val(dev, BCM43xx_PHY_RFOVERVAL, LPD(0, 0, 1))); } bcm43xx_phy_write(dev, BCM43xx_PHY_PGACTL, 0xBFA0); bcm43xx_radio_write16(dev, 0x51, bcm43xx_radio_read16(dev, 0x51) | 0x0004); if (phy->radio_rev == 8) { bcm43xx_radio_write16(dev, 0x43, 0x1F); } else { bcm43xx_radio_write16(dev, 0x52, 0); bcm43xx_radio_write16(dev, 0x43, (bcm43xx_radio_read16(dev, 0x43) & 0xFFF0) | 0x0009); } bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x58), 0); for (i = 0; i < 16; i++) { bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x5A), 0x0480); bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x59), 0xC810); bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x58), 0x000D); if (phy->gmode || phy->rev >= 2) { bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVERVAL, radio2050_rfover_val(dev, BCM43xx_PHY_RFOVERVAL, LPD(1, 0, 1))); } bcm43xx_phy_write(dev, BCM43xx_PHY_PGACTL, 0xAFB0); udelay(10); if (phy->gmode || phy->rev >= 2) { bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVERVAL, radio2050_rfover_val(dev, BCM43xx_PHY_RFOVERVAL, LPD(1, 0, 1))); } bcm43xx_phy_write(dev, BCM43xx_PHY_PGACTL, 0xEFB0); udelay(10); if (phy->gmode || phy->rev >= 2) { bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVERVAL, radio2050_rfover_val(dev, BCM43xx_PHY_RFOVERVAL, LPD(1, 0, 0))); } bcm43xx_phy_write(dev, BCM43xx_PHY_PGACTL, 0xFFF0); udelay(20); tmp1 += bcm43xx_phy_read(dev, BCM43xx_PHY_LO_LEAKAGE); bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x58), 0); if (phy->gmode || phy->rev >= 2) { bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVERVAL, radio2050_rfover_val(dev, BCM43xx_PHY_RFOVERVAL, LPD(1, 0, 1))); } bcm43xx_phy_write(dev, BCM43xx_PHY_PGACTL, 0xAFB0); } udelay(10); bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x58), 0); tmp1++; tmp1 >>= 9; for (i = 0; i < 16; i++) { radio78 = ((flip_4bit(i) << 1) | 0x20); bcm43xx_radio_write16(dev, 0x78, radio78); udelay(10); for (j = 0; j < 16; j++) { bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x5A), 0x0D80); bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x59), 0xC810); bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x58), 0x000D); if (phy->gmode || phy->rev >= 2) { bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVERVAL, radio2050_rfover_val(dev, BCM43xx_PHY_RFOVERVAL, LPD(1, 0, 1))); } bcm43xx_phy_write(dev, BCM43xx_PHY_PGACTL, 0xAFB0); udelay(10); if (phy->gmode || phy->rev >= 2) { bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVERVAL, radio2050_rfover_val(dev, BCM43xx_PHY_RFOVERVAL, LPD(1, 0, 1))); } bcm43xx_phy_write(dev, BCM43xx_PHY_PGACTL, 0xEFB0); udelay(10); if (phy->gmode || phy->rev >= 2) { bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVERVAL, radio2050_rfover_val(dev, BCM43xx_PHY_RFOVERVAL, LPD(1, 0, 0))); } bcm43xx_phy_write(dev, BCM43xx_PHY_PGACTL, 0xFFF0); udelay(10); tmp2 += bcm43xx_phy_read(dev, BCM43xx_PHY_LO_LEAKAGE); bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x58), 0); if (phy->gmode || phy->rev >= 2) { bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVERVAL, radio2050_rfover_val(dev, BCM43xx_PHY_RFOVERVAL, LPD(1, 0, 1))); } bcm43xx_phy_write(dev, BCM43xx_PHY_PGACTL, 0xAFB0); } tmp2++; tmp2 >>= 8; if (tmp1 < tmp2) break; } /* Restore the registers */ bcm43xx_phy_write(dev, BCM43xx_PHY_PGACTL, sav.phy_pgactl); bcm43xx_radio_write16(dev, 0x51, sav.radio_51); bcm43xx_radio_write16(dev, 0x52, sav.radio_52); bcm43xx_radio_write16(dev, 0x43, sav.radio_43); bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x5A), sav.phy_base_5A); bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x59), sav.phy_base_59); bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x58), sav.phy_base_58); bcm43xx_write16(dev, 0x3E6, sav.reg_3E6); if (phy->analog != 0) bcm43xx_write16(dev, 0x3F4, sav.reg_3F4); bcm43xx_phy_write(dev, BCM43xx_PHY_SYNCCTL, sav.phy_syncctl); bcm43xx_synth_pu_workaround(dev, phy->channel); if (phy->type == BCM43xx_PHYTYPE_B) { bcm43xx_phy_write(dev, BCM43xx_PHY_BASE(0x30), sav.phy_base_30); bcm43xx_write16(dev, 0x3EC, sav.reg_3EC); } else if (phy->gmode) { bcm43xx_write16(dev, BCM43xx_MMIO_PHY_RADIO, bcm43xx_read16(dev, BCM43xx_MMIO_PHY_RADIO) & 0x7FFF); bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVER, sav.phy_rfover); bcm43xx_phy_write(dev, BCM43xx_PHY_RFOVERVAL, sav.phy_rfoverval); bcm43xx_phy_write(dev, BCM43xx_PHY_ANALOGOVER, sav.phy_analogover); bcm43xx_phy_write(dev, BCM43xx_PHY_ANALOGOVERVAL, sav.phy_analogoverval); bcm43xx_phy_write(dev, BCM43xx_PHY_CRS0, sav.phy_crs0); bcm43xx_phy_write(dev, BCM43xx_PHY_CLASSCTL, sav.phy_classctl); if (has_loopback_gain(phy)) { bcm43xx_phy_write(dev, BCM43xx_PHY_LO_MASK, sav.phy_lo_mask); bcm43xx_phy_write(dev, BCM43xx_PHY_LO_CTL, sav.phy_lo_ctl); } } if (i > 15) ret = radio78; else ret = rcc; return ret; } void bcm43xx_radio_init2060(struct bcm43xx_wldev *dev) { int err; bcm43xx_radio_write16(dev, 0x0004, 0x00C0); bcm43xx_radio_write16(dev, 0x0005, 0x0008); bcm43xx_radio_write16(dev, 0x0009, 0x0040); bcm43xx_radio_write16(dev, 0x0005, 0x00AA); bcm43xx_radio_write16(dev, 0x0032, 0x008F); bcm43xx_radio_write16(dev, 0x0006, 0x008F); bcm43xx_radio_write16(dev, 0x0034, 0x008F); bcm43xx_radio_write16(dev, 0x002C, 0x0007); bcm43xx_radio_write16(dev, 0x0082, 0x0080); bcm43xx_radio_write16(dev, 0x0080, 0x0000); bcm43xx_radio_write16(dev, 0x003F, 0x00DA); bcm43xx_radio_write16(dev, 0x0005, bcm43xx_radio_read16(dev, 0x0005) & ~0x0008); bcm43xx_radio_write16(dev, 0x0081, bcm43xx_radio_read16(dev, 0x0081) & ~0x0010); bcm43xx_radio_write16(dev, 0x0081, bcm43xx_radio_read16(dev, 0x0081) & ~0x0020); bcm43xx_radio_write16(dev, 0x0081, bcm43xx_radio_read16(dev, 0x0081) & ~0x0020); msleep(1); /* delay 400usec */ bcm43xx_radio_write16(dev, 0x0081, (bcm43xx_radio_read16(dev, 0x0081) & ~0x0020) | 0x0010); msleep(1); /* delay 400usec */ bcm43xx_radio_write16(dev, 0x0005, (bcm43xx_radio_read16(dev, 0x0005) & ~0x0008) | 0x0008); bcm43xx_radio_write16(dev, 0x0085, bcm43xx_radio_read16(dev, 0x0085) & ~0x0010); bcm43xx_radio_write16(dev, 0x0005, bcm43xx_radio_read16(dev, 0x0005) & ~0x0008); bcm43xx_radio_write16(dev, 0x0081, bcm43xx_radio_read16(dev, 0x0081) & ~0x0040); bcm43xx_radio_write16(dev, 0x0081, (bcm43xx_radio_read16(dev, 0x0081) & ~0x0040) | 0x0040); bcm43xx_radio_write16(dev, 0x0005, (bcm43xx_radio_read16(dev, 0x0081) & ~0x0008) | 0x0008); bcm43xx_phy_write(dev, 0x0063, 0xDDC6); bcm43xx_phy_write(dev, 0x0069, 0x07BE); bcm43xx_phy_write(dev, 0x006A, 0x0000); err = bcm43xx_radio_selectchannel(dev, BCM43xx_DEFAULT_CHANNEL_A, 0); assert(err == 0); msleep(1); } static inline u16 freq_r3A_value(u16 frequency) { u16 value; if (frequency < 5091) value = 0x0040; else if (frequency < 5321) value = 0x0000; else if (frequency < 5806) value = 0x0080; else value = 0x0040; return value; } void bcm43xx_radio_set_tx_iq(struct bcm43xx_wldev *dev) { static const u8 data_high[5] = { 0x00, 0x40, 0x80, 0x90, 0xD0 }; static const u8 data_low[5] = { 0x00, 0x01, 0x05, 0x06, 0x0A }; u16 tmp = bcm43xx_radio_read16(dev, 0x001E); int i, j; for (i = 0; i < 5; i++) { for (j = 0; j < 5; j++) { if (tmp == (data_high[i] << 4 | data_low[j])) { bcm43xx_phy_write(dev, 0x0069, (i - j) << 8 | 0x00C0); return; } } } } int bcm43xx_radio_selectchannel(struct bcm43xx_wldev *dev, u8 channel, int synthetic_pu_workaround) { struct bcm43xx_phy *phy = &dev->phy; u16 r8, tmp; u16 freq; u16 channelcookie; /* First we set the channel radio code to prevent the * firmware from sending ghost packets. */ channelcookie = channel; if (phy->type == BCM43xx_PHYTYPE_A) channelcookie |= 0x100; bcm43xx_shm_write16(dev, BCM43xx_SHM_SHARED, BCM43xx_SHM_SH_CHAN, channelcookie); if (phy->type == BCM43xx_PHYTYPE_A) { if (channel > 200) return -EINVAL; freq = channel2freq_a(channel); r8 = bcm43xx_radio_read16(dev, 0x0008); bcm43xx_write16(dev, 0x03F0, freq); bcm43xx_radio_write16(dev, 0x0008, r8); TODO();//TODO: write max channel TX power? to Radio 0x2D tmp = bcm43xx_radio_read16(dev, 0x002E); tmp &= 0x0080; TODO();//TODO: OR tmp with the Power out estimation for this channel? bcm43xx_radio_write16(dev, 0x002E, tmp); if (freq >= 4920 && freq <= 5500) { /* * r8 = (((freq * 15 * 0xE1FC780F) >> 32) / 29) & 0x0F; * = (freq * 0.025862069 */ r8 = 3 * freq / 116; /* is equal to r8 = freq * 0.025862 */ } bcm43xx_radio_write16(dev, 0x0007, (r8 << 4) | r8); bcm43xx_radio_write16(dev, 0x0020, (r8 << 4) | r8); bcm43xx_radio_write16(dev, 0x0021, (r8 << 4) | r8); bcm43xx_radio_write16(dev, 0x0022, (bcm43xx_radio_read16(dev, 0x0022) & 0x000F) | (r8 << 4)); bcm43xx_radio_write16(dev, 0x002A, (r8 << 4)); bcm43xx_radio_write16(dev, 0x002B, (r8 << 4)); bcm43xx_radio_write16(dev, 0x0008, (bcm43xx_radio_read16(dev, 0x0008) & 0x00F0) | (r8 << 4)); bcm43xx_radio_write16(dev, 0x0029, (bcm43xx_radio_read16(dev, 0x0029) & 0xFF0F) | 0x00B0); bcm43xx_radio_write16(dev, 0x0035, 0x00AA); bcm43xx_radio_write16(dev, 0x0036, 0x0085); bcm43xx_radio_write16(dev, 0x003A, (bcm43xx_radio_read16(dev, 0x003A) & 0xFF20) | freq_r3A_value(freq)); bcm43xx_radio_write16(dev, 0x003D, bcm43xx_radio_read16(dev, 0x003D) & 0x00FF); bcm43xx_radio_write16(dev, 0x0081, (bcm43xx_radio_read16(dev, 0x0081) & 0xFF7F) | 0x0080); bcm43xx_radio_write16(dev, 0x0035, bcm43xx_radio_read16(dev, 0x0035) & 0xFFEF); bcm43xx_radio_write16(dev, 0x0035, (bcm43xx_radio_read16(dev, 0x0035) & 0xFFEF) | 0x0010); bcm43xx_radio_set_tx_iq(dev); TODO(); //TODO: TSSI2dbm workaround bcm43xx_phy_xmitpower(dev);//FIXME correct? } else { if ((channel < 1) || (channel > 14)) return -EINVAL; if (synthetic_pu_workaround) bcm43xx_synth_pu_workaround(dev, channel); bcm43xx_write16(dev, BCM43xx_MMIO_CHANNEL, channel2freq_bg(channel)); if (channel == 14) { if (dev->dev->bus->sprom.r1.country_code == SSB_SPROM1CCODE_JAPAN) bcm43xx_hf_write(dev, bcm43xx_hf_read(dev) & ~BCM43xx_HF_ACPR); else bcm43xx_hf_write(dev, bcm43xx_hf_read(dev) | BCM43xx_HF_ACPR); bcm43xx_write16(dev, BCM43xx_MMIO_CHANNEL_EXT, bcm43xx_read16(dev, BCM43xx_MMIO_CHANNEL_EXT) | (1 << 11)); } else { bcm43xx_write16(dev, BCM43xx_MMIO_CHANNEL_EXT, bcm43xx_read16(dev, BCM43xx_MMIO_CHANNEL_EXT) & 0xF7BF); } } phy->channel = channel; /* Wait for the radio to tune to the channel and stabilize. */ msleep(8); return 0; } /* http://bcm-specs.sipsolutions.net/TX_Gain_Base_Band */ static u16 bcm43xx_get_txgain_base_band(u16 txpower) { u16 ret; assert(txpower <= 63); if (txpower >= 54) ret = 2; else if (txpower >= 49) ret = 4; else if (txpower >= 44) ret = 5; else ret = 6; return ret; } /* http://bcm-specs.sipsolutions.net/TX_Gain_Radio_Frequency_Power_Amplifier */ static u16 bcm43xx_get_txgain_freq_power_amp(u16 txpower) { u16 ret; assert(txpower <= 63); if (txpower >= 32) ret = 0; else if (txpower >= 25) ret = 1; else if (txpower >= 20) ret = 2; else if (txpower >= 12) ret = 3; else ret = 4; return ret; } /* http://bcm-specs.sipsolutions.net/TX_Gain_Digital_Analog_Converter */ static u16 bcm43xx_get_txgain_dac(u16 txpower) { u16 ret; assert(txpower <= 63); if (txpower >= 54) ret = txpower - 53; else if (txpower >= 49) ret = txpower - 42; else if (txpower >= 44) ret = txpower - 37; else if (txpower >= 32) ret = txpower - 32; else if (txpower >= 25) ret = txpower - 20; else if (txpower >= 20) ret = txpower - 13; else if (txpower >= 12) ret = txpower - 8; else ret = txpower; return ret; } static void bcm43xx_radio_set_txpower_a(struct bcm43xx_wldev *dev, u16 txpower) { struct bcm43xx_phy *phy = &dev->phy; u16 pamp, base, dac, t; txpower = limit_value(txpower, 0, 63); pamp = bcm43xx_get_txgain_freq_power_amp(txpower); pamp <<= 5; pamp &= 0x00E0; bcm43xx_phy_write(dev, 0x0019, pamp); base = bcm43xx_get_txgain_base_band(txpower); base &= 0x000F; bcm43xx_phy_write(dev, 0x0017, base | 0x0020); t = bcm43xx_ofdmtab_read16(dev, 0x3000, 1); t &= 0x0007; dac = bcm43xx_get_txgain_dac(txpower); dac <<= 3; dac |= t; bcm43xx_ofdmtab_write16(dev, 0x3000, 1, dac); phy->txpwr_offset = txpower; TODO(); //TODO: FuncPlaceholder (Adjust BB loft cancel) } void bcm43xx_radio_turn_on(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; int err; might_sleep(); if (phy->radio_on) return; switch (phy->type) { case BCM43xx_PHYTYPE_A: bcm43xx_radio_write16(dev, 0x0004, 0x00C0); bcm43xx_radio_write16(dev, 0x0005, 0x0008); bcm43xx_phy_write(dev, 0x0010, bcm43xx_phy_read(dev, 0x0010) & 0xFFF7); bcm43xx_phy_write(dev, 0x0011, bcm43xx_phy_read(dev, 0x0011) & 0xFFF7); bcm43xx_radio_init2060(dev); break; case BCM43xx_PHYTYPE_B: case BCM43xx_PHYTYPE_G: bcm43xx_phy_write(dev, 0x0015, 0x8000); bcm43xx_phy_write(dev, 0x0015, 0xCC00); bcm43xx_phy_write(dev, 0x0015, (phy->gmode ? 0x00C0 : 0x0000)); err = bcm43xx_radio_selectchannel(dev, BCM43xx_DEFAULT_CHANNEL_BG, 1); assert(err == 0); break; default: assert(0); } phy->radio_on = 1; dprintk(KERN_INFO PFX "Radio turned on\n"); } void bcm43xx_radio_turn_off(struct bcm43xx_wldev *dev) { struct bcm43xx_phy *phy = &dev->phy; if (phy->type == BCM43xx_PHYTYPE_A) { bcm43xx_radio_write16(dev, 0x0004, 0x00FF); bcm43xx_radio_write16(dev, 0x0005, 0x00FB); bcm43xx_phy_write(dev, 0x0010, bcm43xx_phy_read(dev, 0x0010) | 0x0008); bcm43xx_phy_write(dev, 0x0011, bcm43xx_phy_read(dev, 0x0011) | 0x0008); } if (phy->type == BCM43xx_PHYTYPE_G && dev->dev->id.revision >= 5) { bcm43xx_phy_write(dev, 0x0811, bcm43xx_phy_read(dev, 0x0811) | 0x008C); bcm43xx_phy_write(dev, 0x0812, bcm43xx_phy_read(dev, 0x0812) & 0xFF73); } else bcm43xx_phy_write(dev, 0x0015, 0xAA00); phy->radio_on = 0; dprintk(KERN_INFO PFX "Radio turned off\n"); }