diff options
Diffstat (limited to 'package/bcm43xx-mac80211/src/bcm43xx/bcm43xx_phy.c')
| -rw-r--r-- | package/bcm43xx-mac80211/src/bcm43xx/bcm43xx_phy.c | 4361 |
1 files changed, 0 insertions, 4361 deletions
diff --git a/package/bcm43xx-mac80211/src/bcm43xx/bcm43xx_phy.c b/package/bcm43xx-mac80211/src/bcm43xx/bcm43xx_phy.c deleted file mode 100644 index 406e0034d9..0000000000 --- a/package/bcm43xx-mac80211/src/bcm43xx/bcm43xx_phy.c +++ /dev/null @@ -1,4361 +0,0 @@ -/* - - Broadcom BCM43xx wireless driver - - Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, - Copyright (c) 2005, 2006 Stefano Brivio <st3@riseup.net> - Copyright (c) 2005, 2006 Michael Buesch <mb@bu3sch.de> - Copyright (c) 2005, 2006 Danny van Dyk <kugelfang@gentoo.org> - Copyright (c) 2005, 2006 Andreas Jaggi <andreas.jaggi@waterwave.ch> - - 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 <linux/delay.h> -#include <linux/types.h> - -#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"); -} |