diff options
Diffstat (limited to 'drivers/net/wireless/broadcom/b43/phy_ht.c')
| -rw-r--r-- | drivers/net/wireless/broadcom/b43/phy_ht.c | 1153 |
1 files changed, 1153 insertions, 0 deletions
diff --git a/drivers/net/wireless/broadcom/b43/phy_ht.c b/drivers/net/wireless/broadcom/b43/phy_ht.c new file mode 100644 index 000000000000..bd68945965d6 --- /dev/null +++ b/drivers/net/wireless/broadcom/b43/phy_ht.c @@ -0,0 +1,1153 @@ +/* + + Broadcom B43 wireless driver + IEEE 802.11n HT-PHY support + + Copyright (c) 2011 Rafał Miłecki <zajec5@gmail.com> + + 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/slab.h> + +#include "b43.h" +#include "phy_ht.h" +#include "tables_phy_ht.h" +#include "radio_2059.h" +#include "main.h" + +/* Force values to keep compatibility with wl */ +enum ht_rssi_type { + HT_RSSI_W1 = 0, + HT_RSSI_W2 = 1, + HT_RSSI_NB = 2, + HT_RSSI_IQ = 3, + HT_RSSI_TSSI_2G = 4, + HT_RSSI_TSSI_5G = 5, + HT_RSSI_TBD = 6, +}; + +/************************************************** + * Radio 2059. + **************************************************/ + +static void b43_radio_2059_channel_setup(struct b43_wldev *dev, + const struct b43_phy_ht_channeltab_e_radio2059 *e) +{ + static const u16 routing[] = { R2059_C1, R2059_C2, R2059_C3, }; + u16 r; + int core; + + b43_radio_write(dev, 0x16, e->radio_syn16); + b43_radio_write(dev, 0x17, e->radio_syn17); + b43_radio_write(dev, 0x22, e->radio_syn22); + b43_radio_write(dev, 0x25, e->radio_syn25); + b43_radio_write(dev, 0x27, e->radio_syn27); + b43_radio_write(dev, 0x28, e->radio_syn28); + b43_radio_write(dev, 0x29, e->radio_syn29); + b43_radio_write(dev, 0x2c, e->radio_syn2c); + b43_radio_write(dev, 0x2d, e->radio_syn2d); + b43_radio_write(dev, 0x37, e->radio_syn37); + b43_radio_write(dev, 0x41, e->radio_syn41); + b43_radio_write(dev, 0x43, e->radio_syn43); + b43_radio_write(dev, 0x47, e->radio_syn47); + + for (core = 0; core < 3; core++) { + r = routing[core]; + b43_radio_write(dev, r | 0x4a, e->radio_rxtx4a); + b43_radio_write(dev, r | 0x58, e->radio_rxtx58); + b43_radio_write(dev, r | 0x5a, e->radio_rxtx5a); + b43_radio_write(dev, r | 0x6a, e->radio_rxtx6a); + b43_radio_write(dev, r | 0x6d, e->radio_rxtx6d); + b43_radio_write(dev, r | 0x6e, e->radio_rxtx6e); + b43_radio_write(dev, r | 0x92, e->radio_rxtx92); + b43_radio_write(dev, r | 0x98, e->radio_rxtx98); + } + + udelay(50); + + /* Calibration */ + b43_radio_mask(dev, R2059_RFPLL_MISC_EN, ~0x1); + b43_radio_mask(dev, R2059_RFPLL_MISC_CAL_RESETN, ~0x4); + b43_radio_set(dev, R2059_RFPLL_MISC_CAL_RESETN, 0x4); + b43_radio_set(dev, R2059_RFPLL_MISC_EN, 0x1); + + udelay(300); +} + +/* Calibrate resistors in LPF of PLL? */ +static void b43_radio_2059_rcal(struct b43_wldev *dev) +{ + /* Enable */ + b43_radio_set(dev, R2059_C3 | R2059_RCAL_CONFIG, 0x1); + usleep_range(10, 20); + + b43_radio_set(dev, R2059_C3 | 0x0BF, 0x1); + b43_radio_maskset(dev, R2059_C3 | 0x19B, 0x3, 0x2); + + /* Start */ + b43_radio_set(dev, R2059_C3 | R2059_RCAL_CONFIG, 0x2); + usleep_range(100, 200); + + /* Stop */ + b43_radio_mask(dev, R2059_C3 | R2059_RCAL_CONFIG, ~0x2); + + if (!b43_radio_wait_value(dev, R2059_C3 | R2059_RCAL_STATUS, 1, 1, 100, + 1000000)) + b43err(dev->wl, "Radio 0x2059 rcal timeout\n"); + + /* Disable */ + b43_radio_mask(dev, R2059_C3 | R2059_RCAL_CONFIG, ~0x1); + + b43_radio_set(dev, 0xa, 0x60); +} + +/* Calibrate the internal RC oscillator? */ +static void b43_radio_2057_rccal(struct b43_wldev *dev) +{ + const u16 radio_values[3][2] = { + { 0x61, 0xE9 }, { 0x69, 0xD5 }, { 0x73, 0x99 }, + }; + int i; + + for (i = 0; i < 3; i++) { + b43_radio_write(dev, R2059_RCCAL_MASTER, radio_values[i][0]); + b43_radio_write(dev, R2059_RCCAL_X1, 0x6E); + b43_radio_write(dev, R2059_RCCAL_TRC0, radio_values[i][1]); + + /* Start */ + b43_radio_write(dev, R2059_RCCAL_START_R1_Q1_P1, 0x55); + + /* Wait */ + if (!b43_radio_wait_value(dev, R2059_RCCAL_DONE_OSCCAP, 2, 2, + 500, 5000000)) + b43err(dev->wl, "Radio 0x2059 rccal timeout\n"); + + /* Stop */ + b43_radio_write(dev, R2059_RCCAL_START_R1_Q1_P1, 0x15); + } + + b43_radio_mask(dev, R2059_RCCAL_MASTER, ~0x1); +} + +static void b43_radio_2059_init_pre(struct b43_wldev *dev) +{ + b43_phy_mask(dev, B43_PHY_HT_RF_CTL_CMD, ~B43_PHY_HT_RF_CTL_CMD_CHIP0_PU); + b43_phy_set(dev, B43_PHY_HT_RF_CTL_CMD, B43_PHY_HT_RF_CTL_CMD_FORCE); + b43_phy_mask(dev, B43_PHY_HT_RF_CTL_CMD, ~B43_PHY_HT_RF_CTL_CMD_FORCE); + b43_phy_set(dev, B43_PHY_HT_RF_CTL_CMD, B43_PHY_HT_RF_CTL_CMD_CHIP0_PU); +} + +static void b43_radio_2059_init(struct b43_wldev *dev) +{ + const u16 routing[] = { R2059_C1, R2059_C2, R2059_C3 }; + int i; + + /* Prepare (reset?) radio */ + b43_radio_2059_init_pre(dev); + + r2059_upload_inittabs(dev); + + for (i = 0; i < ARRAY_SIZE(routing); i++) + b43_radio_set(dev, routing[i] | 0x146, 0x3); + + /* Post init starts below */ + + b43_radio_set(dev, R2059_RFPLL_MISC_CAL_RESETN, 0x0078); + b43_radio_set(dev, R2059_XTAL_CONFIG2, 0x0080); + msleep(2); + b43_radio_mask(dev, R2059_RFPLL_MISC_CAL_RESETN, ~0x0078); + b43_radio_mask(dev, R2059_XTAL_CONFIG2, ~0x0080); + + if (1) { /* FIXME */ + b43_radio_2059_rcal(dev); + b43_radio_2057_rccal(dev); + } + + b43_radio_mask(dev, R2059_RFPLL_MASTER, ~0x0008); +} + +/************************************************** + * RF + **************************************************/ + +static void b43_phy_ht_force_rf_sequence(struct b43_wldev *dev, u16 rf_seq) +{ + u8 i; + + u16 save_seq_mode = b43_phy_read(dev, B43_PHY_HT_RF_SEQ_MODE); + b43_phy_set(dev, B43_PHY_HT_RF_SEQ_MODE, 0x3); + + b43_phy_set(dev, B43_PHY_HT_RF_SEQ_TRIG, rf_seq); + for (i = 0; i < 200; i++) { + if (!(b43_phy_read(dev, B43_PHY_HT_RF_SEQ_STATUS) & rf_seq)) { + i = 0; + break; + } + msleep(1); + } + if (i) + b43err(dev->wl, "Forcing RF sequence timeout\n"); + + b43_phy_write(dev, B43_PHY_HT_RF_SEQ_MODE, save_seq_mode); +} + +static void b43_phy_ht_pa_override(struct b43_wldev *dev, bool enable) +{ + struct b43_phy_ht *htphy = dev->phy.ht; + static const u16 regs[3] = { B43_PHY_HT_RF_CTL_INT_C1, + B43_PHY_HT_RF_CTL_INT_C2, + B43_PHY_HT_RF_CTL_INT_C3 }; + int i; + + if (enable) { + for (i = 0; i < 3; i++) + b43_phy_write(dev, regs[i], htphy->rf_ctl_int_save[i]); + } else { + for (i = 0; i < 3; i++) + htphy->rf_ctl_int_save[i] = b43_phy_read(dev, regs[i]); + /* TODO: Does 5GHz band use different value (not 0x0400)? */ + for (i = 0; i < 3; i++) + b43_phy_write(dev, regs[i], 0x0400); + } +} + +/************************************************** + * Various PHY ops + **************************************************/ + +static u16 b43_phy_ht_classifier(struct b43_wldev *dev, u16 mask, u16 val) +{ + u16 tmp; + u16 allowed = B43_PHY_HT_CLASS_CTL_CCK_EN | + B43_PHY_HT_CLASS_CTL_OFDM_EN | + B43_PHY_HT_CLASS_CTL_WAITED_EN; + + tmp = b43_phy_read(dev, B43_PHY_HT_CLASS_CTL); + tmp &= allowed; + tmp &= ~mask; + tmp |= (val & mask); + b43_phy_maskset(dev, B43_PHY_HT_CLASS_CTL, ~allowed, tmp); + + return tmp; +} + +static void b43_phy_ht_reset_cca(struct b43_wldev *dev) +{ + u16 bbcfg; + + b43_phy_force_clock(dev, true); + bbcfg = b43_phy_read(dev, B43_PHY_HT_BBCFG); + b43_phy_write(dev, B43_PHY_HT_BBCFG, bbcfg | B43_PHY_HT_BBCFG_RSTCCA); + udelay(1); + b43_phy_write(dev, B43_PHY_HT_BBCFG, bbcfg & ~B43_PHY_HT_BBCFG_RSTCCA); + b43_phy_force_clock(dev, false); + + b43_phy_ht_force_rf_sequence(dev, B43_PHY_HT_RF_SEQ_TRIG_RST2RX); +} + +static void b43_phy_ht_zero_extg(struct b43_wldev *dev) +{ + u8 i, j; + u16 base[] = { 0x40, 0x60, 0x80 }; + + for (i = 0; i < ARRAY_SIZE(base); i++) { + for (j = 0; j < 4; j++) + b43_phy_write(dev, B43_PHY_EXTG(base[i] + j), 0); + } + + for (i = 0; i < ARRAY_SIZE(base); i++) + b43_phy_write(dev, B43_PHY_EXTG(base[i] + 0xc), 0); +} + +/* Some unknown AFE (Analog Frondned) op */ +static void b43_phy_ht_afe_unk1(struct b43_wldev *dev) +{ + u8 i; + + static const u16 ctl_regs[3][2] = { + { B43_PHY_HT_AFE_C1_OVER, B43_PHY_HT_AFE_C1 }, + { B43_PHY_HT_AFE_C2_OVER, B43_PHY_HT_AFE_C2 }, + { B43_PHY_HT_AFE_C3_OVER, B43_PHY_HT_AFE_C3}, + }; + + for (i = 0; i < 3; i++) { + /* TODO: verify masks&sets */ + b43_phy_set(dev, ctl_regs[i][1], 0x4); + b43_phy_set(dev, ctl_regs[i][0], 0x4); + b43_phy_mask(dev, ctl_regs[i][1], ~0x1); + b43_phy_set(dev, ctl_regs[i][0], 0x1); + b43_httab_write(dev, B43_HTTAB16(8, 5 + (i * 0x10)), 0); + b43_phy_mask(dev, ctl_regs[i][0], ~0x4); + } +} + +static void b43_phy_ht_read_clip_detection(struct b43_wldev *dev, u16 *clip_st) +{ + clip_st[0] = b43_phy_read(dev, B43_PHY_HT_C1_CLIP1THRES); + clip_st[1] = b43_phy_read(dev, B43_PHY_HT_C2_CLIP1THRES); + clip_st[2] = b43_phy_read(dev, B43_PHY_HT_C3_CLIP1THRES); +} + +static void b43_phy_ht_bphy_init(struct b43_wldev *dev) +{ + unsigned int i; + u16 val; + + val = 0x1E1F; + for (i = 0; i < 16; i++) { + b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val); + val -= 0x202; + } + val = 0x3E3F; + for (i = 0; i < 16; i++) { + b43_phy_write(dev, B43_PHY_N_BMODE(0x98 + i), val); + val -= 0x202; + } + b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668); +} + +static void b43_phy_ht_bphy_reset(struct b43_wldev *dev, bool reset) +{ + u16 tmp; + + tmp = b43_read16(dev, B43_MMIO_PSM_PHY_HDR); + b43_write16(dev, B43_MMIO_PSM_PHY_HDR, + tmp | B43_PSM_HDR_MAC_PHY_FORCE_CLK); + + /* Put BPHY in or take it out of the reset */ + if (reset) + b43_phy_set(dev, B43_PHY_B_BBCFG, + B43_PHY_B_BBCFG_RSTCCA | B43_PHY_B_BBCFG_RSTRX); + else + b43_phy_mask(dev, B43_PHY_B_BBCFG, + (u16)~(B43_PHY_B_BBCFG_RSTCCA | + B43_PHY_B_BBCFG_RSTRX)); + + b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp); +} + +/************************************************** + * Samples + **************************************************/ + +static void b43_phy_ht_stop_playback(struct b43_wldev *dev) +{ + struct b43_phy_ht *phy_ht = dev->phy.ht; + u16 tmp; + int i; + + tmp = b43_phy_read(dev, B43_PHY_HT_SAMP_STAT); + if (tmp & 0x1) + b43_phy_set(dev, B43_PHY_HT_SAMP_CMD, B43_PHY_HT_SAMP_CMD_STOP); + else if (tmp & 0x2) + b43_phy_mask(dev, B43_PHY_HT_IQLOCAL_CMDGCTL, 0x7FFF); + + b43_phy_mask(dev, B43_PHY_HT_SAMP_CMD, ~0x0004); + + for (i = 0; i < 3; i++) { + if (phy_ht->bb_mult_save[i] >= 0) { + b43_httab_write(dev, B43_HTTAB16(13, 0x63 + i * 4), + phy_ht->bb_mult_save[i]); + b43_httab_write(dev, B43_HTTAB16(13, 0x67 + i * 4), + phy_ht->bb_mult_save[i]); + } + } +} + +static u16 b43_phy_ht_load_samples(struct b43_wldev *dev) +{ + int i; + u16 len = 20 << 3; + + b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, 0x4400); + + for (i = 0; i < len; i++) { + b43_phy_write(dev, B43_PHY_HT_TABLE_DATAHI, 0); + b43_phy_write(dev, B43_PHY_HT_TABLE_DATALO, 0); + } + + return len; +} + +static void b43_phy_ht_run_samples(struct b43_wldev *dev, u16 samps, u16 loops, + u16 wait) +{ + struct b43_phy_ht *phy_ht = dev->phy.ht; + u16 save_seq_mode; + int i; + + for (i = 0; i < 3; i++) { + if (phy_ht->bb_mult_save[i] < 0) + phy_ht->bb_mult_save[i] = b43_httab_read(dev, B43_HTTAB16(13, 0x63 + i * 4)); + } + + b43_phy_write(dev, B43_PHY_HT_SAMP_DEP_CNT, samps - 1); + if (loops != 0xFFFF) + loops--; + b43_phy_write(dev, B43_PHY_HT_SAMP_LOOP_CNT, loops); + b43_phy_write(dev, B43_PHY_HT_SAMP_WAIT_CNT, wait); + + save_seq_mode = b43_phy_read(dev, B43_PHY_HT_RF_SEQ_MODE); + b43_phy_set(dev, B43_PHY_HT_RF_SEQ_MODE, + B43_PHY_HT_RF_SEQ_MODE_CA_OVER); + + /* TODO: find out mask bits! Do we need more function arguments? */ + b43_phy_mask(dev, B43_PHY_HT_SAMP_CMD, ~0); + b43_phy_mask(dev, B43_PHY_HT_SAMP_CMD, ~0); + b43_phy_mask(dev, B43_PHY_HT_IQLOCAL_CMDGCTL, ~0); + b43_phy_set(dev, B43_PHY_HT_SAMP_CMD, 0x1); + + for (i = 0; i < 100; i++) { + if (!(b43_phy_read(dev, B43_PHY_HT_RF_SEQ_STATUS) & 1)) { + i = 0; + break; + } + udelay(10); + } + if (i) + b43err(dev->wl, "run samples timeout\n"); + + b43_phy_write(dev, B43_PHY_HT_RF_SEQ_MODE, save_seq_mode); +} + +static void b43_phy_ht_tx_tone(struct b43_wldev *dev) +{ + u16 samp; + + samp = b43_phy_ht_load_samples(dev); + b43_phy_ht_run_samples(dev, samp, 0xFFFF, 0); +} + +/************************************************** + * RSSI + **************************************************/ + +static void b43_phy_ht_rssi_select(struct b43_wldev *dev, u8 core_sel, + enum ht_rssi_type rssi_type) +{ + static const u16 ctl_regs[3][2] = { + { B43_PHY_HT_AFE_C1, B43_PHY_HT_AFE_C1_OVER, }, + { B43_PHY_HT_AFE_C2, B43_PHY_HT_AFE_C2_OVER, }, + { B43_PHY_HT_AFE_C3, B43_PHY_HT_AFE_C3_OVER, }, + }; + static const u16 radio_r[] = { R2059_C1, R2059_C2, R2059_C3, }; + int core; + + if (core_sel == 0) { + b43err(dev->wl, "RSSI selection for core off not implemented yet\n"); + } else { + for (core = 0; core < 3; core++) { + /* Check if caller requested a one specific core */ + if ((core_sel == 1 && core != 0) || + (core_sel == 2 && core != 1) || + (core_sel == 3 && core != 2)) + continue; + + switch (rssi_type) { + case HT_RSSI_TSSI_2G: + b43_phy_set(dev, ctl_regs[core][0], 0x3 << 8); + b43_phy_set(dev, ctl_regs[core][0], 0x3 << 10); + b43_phy_set(dev, ctl_regs[core][1], 0x1 << 9); + b43_phy_set(dev, ctl_regs[core][1], 0x1 << 10); + + b43_radio_set(dev, R2059_C3 | 0xbf, 0x1); + b43_radio_write(dev, radio_r[core] | 0x159, + 0x11); + break; + default: + b43err(dev->wl, "RSSI selection for type %d not implemented yet\n", + rssi_type); + } + } + } +} + +static void b43_phy_ht_poll_rssi(struct b43_wldev *dev, enum ht_rssi_type type, + s32 *buf, u8 nsamp) +{ + u16 phy_regs_values[12]; + static const u16 phy_regs_to_save[] = { + B43_PHY_HT_AFE_C1, B43_PHY_HT_AFE_C1_OVER, + 0x848, 0x841, + B43_PHY_HT_AFE_C2, B43_PHY_HT_AFE_C2_OVER, + 0x868, 0x861, + B43_PHY_HT_AFE_C3, B43_PHY_HT_AFE_C3_OVER, + 0x888, 0x881, + }; + u16 tmp[3]; + int i; + + for (i = 0; i < 12; i++) + phy_regs_values[i] = b43_phy_read(dev, phy_regs_to_save[i]); + + b43_phy_ht_rssi_select(dev, 5, type); + + for (i = 0; i < 6; i++) + buf[i] = 0; + + for (i = 0; i < nsamp; i++) { + tmp[0] = b43_phy_read(dev, B43_PHY_HT_RSSI_C1); + tmp[1] = b43_phy_read(dev, B43_PHY_HT_RSSI_C2); + tmp[2] = b43_phy_read(dev, B43_PHY_HT_RSSI_C3); + + buf[0] += ((s8)((tmp[0] & 0x3F) << 2)) >> 2; + buf[1] += ((s8)(((tmp[0] >> 8) & 0x3F) << 2)) >> 2; + buf[2] += ((s8)((tmp[1] & 0x3F) << 2)) >> 2; + buf[3] += ((s8)(((tmp[1] >> 8) & 0x3F) << 2)) >> 2; + buf[4] += ((s8)((tmp[2] & 0x3F) << 2)) >> 2; + buf[5] += ((s8)(((tmp[2] >> 8) & 0x3F) << 2)) >> 2; + } + + for (i = 0; i < 12; i++) + b43_phy_write(dev, phy_regs_to_save[i], phy_regs_values[i]); +} + +/************************************************** + * Tx/Rx + **************************************************/ + +static void b43_phy_ht_tx_power_fix(struct b43_wldev *dev) +{ + int i; + + for (i = 0; i < 3; i++) { + u16 mask; + u32 tmp = b43_httab_read(dev, B43_HTTAB32(26, 0xE8)); + + if (0) /* FIXME */ + mask = 0x2 << (i * 4); + else + mask = 0; + b43_phy_mask(dev, B43_PHY_EXTG(0x108), mask); + + b43_httab_write(dev, B43_HTTAB16(7, 0x110 + i), tmp >> 16); + b43_httab_write(dev, B43_HTTAB8(13, 0x63 + (i * 4)), + tmp & 0xFF); + b43_httab_write(dev, B43_HTTAB8(13, 0x73 + (i * 4)), + tmp & 0xFF); + } +} + +static void b43_phy_ht_tx_power_ctl(struct b43_wldev *dev, bool enable) +{ + struct b43_phy_ht *phy_ht = dev->phy.ht; + u16 en_bits = B43_PHY_HT_TXPCTL_CMD_C1_COEFF | + B43_PHY_HT_TXPCTL_CMD_C1_HWPCTLEN | + B43_PHY_HT_TXPCTL_CMD_C1_PCTLEN; + static const u16 cmd_regs[3] = { B43_PHY_HT_TXPCTL_CMD_C1, + B43_PHY_HT_TXPCTL_CMD_C2, + B43_PHY_HT_TXPCTL_CMD_C3 }; + static const u16 status_regs[3] = { B43_PHY_HT_TX_PCTL_STATUS_C1, + B43_PHY_HT_TX_PCTL_STATUS_C2, + B43_PHY_HT_TX_PCTL_STATUS_C3 }; + int i; + + if (!enable) { + if (b43_phy_read(dev, B43_PHY_HT_TXPCTL_CMD_C1) & en_bits) { + /* We disable enabled TX pwr ctl, save it's state */ + for (i = 0; i < 3; i++) + phy_ht->tx_pwr_idx[i] = + b43_phy_read(dev, status_regs[i]); + } + b43_phy_mask(dev, B43_PHY_HT_TXPCTL_CMD_C1, ~en_bits); + } else { + b43_phy_set(dev, B43_PHY_HT_TXPCTL_CMD_C1, en_bits); + + if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) { + for (i = 0; i < 3; i++) + b43_phy_write(dev, cmd_regs[i], 0x32); + } + + for (i = 0; i < 3; i++) + if (phy_ht->tx_pwr_idx[i] <= + B43_PHY_HT_TXPCTL_CMD_C1_INIT) + b43_phy_write(dev, cmd_regs[i], + phy_ht->tx_pwr_idx[i]); + } + + phy_ht->tx_pwr_ctl = enable; +} + +static void b43_phy_ht_tx_power_ctl_idle_tssi(struct b43_wldev *dev) +{ + struct b43_phy_ht *phy_ht = dev->phy.ht; + static const u16 base[] = { 0x840, 0x860, 0x880 }; + u16 save_regs[3][3]; + s32 rssi_buf[6]; + int core; + + for (core = 0; core < 3; core++) { + save_regs[core][1] = b43_phy_read(dev, base[core] + 6); + save_regs[core][2] = b43_phy_read(dev, base[core] + 7); + save_regs[core][0] = b43_phy_read(dev, base[core] + 0); + + b43_phy_write(dev, base[core] + 6, 0); + b43_phy_mask(dev, base[core] + 7, ~0xF); /* 0xF? Or just 0x6? */ + b43_phy_set(dev, base[core] + 0, 0x0400); + b43_phy_set(dev, base[core] + 0, 0x1000); + } + + b43_phy_ht_tx_tone(dev); + udelay(20); + b43_phy_ht_poll_rssi(dev, HT_RSSI_TSSI_2G, rssi_buf, 1); + b43_phy_ht_stop_playback(dev); + b43_phy_ht_reset_cca(dev); + + phy_ht->idle_tssi[0] = rssi_buf[0] & 0xff; + phy_ht->idle_tssi[1] = rssi_buf[2] & 0xff; + phy_ht->idle_tssi[2] = rssi_buf[4] & 0xff; + + for (core = 0; core < 3; core++) { + b43_phy_write(dev, base[core] + 0, save_regs[core][0]); + b43_phy_write(dev, base[core] + 6, save_regs[core][1]); + b43_phy_write(dev, base[core] + 7, save_regs[core][2]); + } +} + +static void b43_phy_ht_tssi_setup(struct b43_wldev *dev) +{ + static const u16 routing[] = { R2059_C1, R2059_C2, R2059_C3, }; + int core; + + /* 0x159 is probably TX_SSI_MUX or TSSIG (by comparing to N-PHY) */ + for (core = 0; core < 3; core++) { + b43_radio_set(dev, 0x8bf, 0x1); + b43_radio_write(dev, routing[core] | 0x0159, 0x0011); + } +} + +static void b43_phy_ht_tx_power_ctl_setup(struct b43_wldev *dev) +{ + struct b43_phy_ht *phy_ht = dev->phy.ht; + struct ssb_sprom *sprom = dev->dev->bus_sprom; + + u8 *idle = phy_ht->idle_tssi; + u8 target[3]; + s16 a1[3], b0[3], b1[3]; + + u16 freq = dev->phy.chandef->chan->center_freq; + int i, c; + + if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { + for (c = 0; c < 3; c++) { + target[c] = sprom->core_pwr_info[c].maxpwr_2g; + a1[c] = sprom->core_pwr_info[c].pa_2g[0]; + b0[c] = sprom->core_pwr_info[c].pa_2g[1]; + b1[c] = sprom->core_pwr_info[c].pa_2g[2]; + } + } else if (freq >= 4900 && freq < 5100) { + for (c = 0; c < 3; c++) { + target[c] = sprom->core_pwr_info[c].maxpwr_5gl; + a1[c] = sprom->core_pwr_info[c].pa_5gl[0]; + b0[c] = sprom->core_pwr_info[c].pa_5gl[1]; + b1[c] = sprom->core_pwr_info[c].pa_5gl[2]; + } + } else if (freq >= 5100 && freq < 5500) { + for (c = 0; c < 3; c++) { + target[c] = sprom->core_pwr_info[c].maxpwr_5g; + a1[c] = sprom->core_pwr_info[c].pa_5g[0]; + b0[c] = sprom->core_pwr_info[c].pa_5g[1]; + b1[c] = sprom->core_pwr_info[c].pa_5g[2]; + } + } else if (freq >= 5500) { + for (c = 0; c < 3; c++) { + target[c] = sprom->core_pwr_info[c].maxpwr_5gh; + a1[c] = sprom->core_pwr_info[c].pa_5gh[0]; + b0[c] = sprom->core_pwr_info[c].pa_5gh[1]; + b1[c] = sprom->core_pwr_info[c].pa_5gh[2]; + } + } else { + target[0] = target[1] = target[2] = 52; + a1[0] = a1[1] = a1[2] = -424; + b0[0] = b0[1] = b0[2] = 5612; + b1[0] = b1[1] = b1[2] = -1393; + } + + b43_phy_set(dev, B43_PHY_HT_TSSIMODE, B43_PHY_HT_TSSIMODE_EN); + b43_phy_mask(dev, B43_PHY_HT_TXPCTL_CMD_C1, + ~B43_PHY_HT_TXPCTL_CMD_C1_PCTLEN & 0xFFFF); + + /* TODO: Does it depend on sprom->fem.ghz2.tssipos? */ + b43_phy_set(dev, B43_PHY_HT_TXPCTL_IDLE_TSSI, 0x4000); + + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_CMD_C1, + ~B43_PHY_HT_TXPCTL_CMD_C1_INIT, 0x19); + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_CMD_C2, + ~B43_PHY_HT_TXPCTL_CMD_C2_INIT, 0x19); + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_CMD_C3, + ~B43_PHY_HT_TXPCTL_CMD_C3_INIT, 0x19); + + b43_phy_set(dev, B43_PHY_HT_TXPCTL_IDLE_TSSI, + B43_PHY_HT_TXPCTL_IDLE_TSSI_BINF); + + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_IDLE_TSSI, + ~B43_PHY_HT_TXPCTL_IDLE_TSSI_C1, + idle[0] << B43_PHY_HT_TXPCTL_IDLE_TSSI_C1_SHIFT); + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_IDLE_TSSI, + ~B43_PHY_HT_TXPCTL_IDLE_TSSI_C2, + idle[1] << B43_PHY_HT_TXPCTL_IDLE_TSSI_C2_SHIFT); + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_IDLE_TSSI2, + ~B43_PHY_HT_TXPCTL_IDLE_TSSI2_C3, + idle[2] << B43_PHY_HT_TXPCTL_IDLE_TSSI2_C3_SHIFT); + + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_N, ~B43_PHY_HT_TXPCTL_N_TSSID, + 0xf0); + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_N, ~B43_PHY_HT_TXPCTL_N_NPTIL2, + 0x3 << B43_PHY_HT_TXPCTL_N_NPTIL2_SHIFT); +#if 0 + /* TODO: what to mask/set? */ + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_CMD_C1, 0x800, 0) + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_CMD_C1, 0x400, 0) +#endif + + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_TARG_PWR, + ~B43_PHY_HT_TXPCTL_TARG_PWR_C1, + target[0] << B43_PHY_HT_TXPCTL_TARG_PWR_C1_SHIFT); + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_TARG_PWR, + ~B43_PHY_HT_TXPCTL_TARG_PWR_C2 & 0xFFFF, + target[1] << B43_PHY_HT_TXPCTL_TARG_PWR_C2_SHIFT); + b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_TARG_PWR2, + ~B43_PHY_HT_TXPCTL_TARG_PWR2_C3, + target[2] << B43_PHY_HT_TXPCTL_TARG_PWR2_C3_SHIFT); + + for (c = 0; c < 3; c++) { + s32 num, den, pwr; + u32 regval[64]; + + for (i = 0; i < 64; i++) { + num = 8 * (16 * b0[c] + b1[c] * i); + den = 32768 + a1[c] * i; + pwr = max((4 * num + den / 2) / den, -8); + regval[i] = pwr; + } + b43_httab_write_bulk(dev, B43_HTTAB16(26 + c, 0), 64, regval); + } +} + +/************************************************** + * Channel switching ops. + **************************************************/ + +static void b43_phy_ht_spur_avoid(struct b43_wldev *dev, + struct ieee80211_channel *new_channel) +{ + struct bcma_device *core = dev->dev->bdev; + int spuravoid = 0; + + /* Check for 13 and 14 is just a guess, we don't have enough logs. */ + if (new_channel->hw_value == 13 || new_channel->hw_value == 14) + spuravoid = 1; + bcma_core_pll_ctl(core, B43_BCMA_CLKCTLST_PHY_PLL_REQ, 0, false); + bcma_pmu_spuravoid_pllupdate(&core->bus->drv_cc, spuravoid); + bcma_core_pll_ctl(core, + B43_BCMA_CLKCTLST_80211_PLL_REQ | + B43_BCMA_CLKCTLST_PHY_PLL_REQ, + B43_BCMA_CLKCTLST_80211_PLL_ST | + B43_BCMA_CLKCTLST_PHY_PLL_ST, false); + + b43_mac_switch_freq(dev, spuravoid); + + b43_wireless_core_phy_pll_reset(dev); + + if (spuravoid) + b43_phy_set(dev, B43_PHY_HT_BBCFG, B43_PHY_HT_BBCFG_RSTRX); + else + b43_phy_mask(dev, B43_PHY_HT_BBCFG, + ~B43_PHY_HT_BBCFG_RSTRX & 0xFFFF); + + b43_phy_ht_reset_cca(dev); +} + +static void b43_phy_ht_channel_setup(struct b43_wldev *dev, + const struct b43_phy_ht_channeltab_e_phy *e, + struct ieee80211_channel *new_channel) +{ + if (new_channel->band == IEEE80211_BAND_5GHZ) { + /* Switch to 2 GHz for a moment to access B-PHY regs */ + b43_phy_mask(dev, B43_PHY_HT_BANDCTL, ~B43_PHY_HT_BANDCTL_5GHZ); + + b43_phy_ht_bphy_reset(dev, true); + + /* Switch to 5 GHz */ + b43_phy_set(dev, B43_PHY_HT_BANDCTL, B43_PHY_HT_BANDCTL_5GHZ); + } else { + /* Switch to 2 GHz */ + b43_phy_mask(dev, B43_PHY_HT_BANDCTL, ~B43_PHY_HT_BANDCTL_5GHZ); + + b43_phy_ht_bphy_reset(dev, false); + } + + b43_phy_write(dev, B43_PHY_HT_BW1, e->bw1); + b43_phy_write(dev, B43_PHY_HT_BW2, e->bw2); + b43_phy_write(dev, B43_PHY_HT_BW3, e->bw3); + b43_phy_write(dev, B43_PHY_HT_BW4, e->bw4); + b43_phy_write(dev, B43_PHY_HT_BW5, e->bw5); + b43_phy_write(dev, B43_PHY_HT_BW6, e->bw6); + + if (new_channel->hw_value == 14) { + b43_phy_ht_classifier(dev, B43_PHY_HT_CLASS_CTL_OFDM_EN, 0); + b43_phy_set(dev, B43_PHY_HT_TEST, 0x0800); + } else { + b43_phy_ht_classifier(dev, B43_PHY_HT_CLASS_CTL_OFDM_EN, + B43_PHY_HT_CLASS_CTL_OFDM_EN); + if (new_channel->band == IEEE80211_BAND_2GHZ) + b43_phy_mask(dev, B43_PHY_HT_TEST, ~0x840); + } + + if (1) /* TODO: On N it's for early devices only, what about HT? */ + b43_phy_ht_tx_power_fix(dev); + + b43_phy_ht_spur_avoid(dev, new_channel); + + b43_phy_write(dev, 0x017e, 0x3830); +} + +static int b43_phy_ht_set_channel(struct b43_wldev *dev, + struct ieee80211_channel *channel, + enum nl80211_channel_type channel_type) +{ + struct b43_phy *phy = &dev->phy; + + const struct b43_phy_ht_channeltab_e_radio2059 *chent_r2059 = NULL; + + if (phy->radio_ver == 0x2059) { + chent_r2059 = b43_phy_ht_get_channeltab_e_r2059(dev, + channel->center_freq); + if (!chent_r2059) + return -ESRCH; + } else { + return -ESRCH; + } + + /* TODO: In case of N-PHY some bandwidth switching goes here */ + + if (phy->radio_ver == 0x2059) { + b43_radio_2059_channel_setup(dev, chent_r2059); + b43_phy_ht_channel_setup(dev, &(chent_r2059->phy_regs), + channel); + } else { + return -ESRCH; + } + + return 0; +} + +/************************************************** + * Basic PHY ops. + **************************************************/ + +static int b43_phy_ht_op_allocate(struct b43_wldev *dev) +{ + struct b43_phy_ht *phy_ht; + + phy_ht = kzalloc(sizeof(*phy_ht), GFP_KERNEL); + if (!phy_ht) + return -ENOMEM; + dev->phy.ht = phy_ht; + + return 0; +} + +static void b43_phy_ht_op_prepare_structs(struct b43_wldev *dev) +{ + struct b43_phy *phy = &dev->phy; + struct b43_phy_ht *phy_ht = phy->ht; + int i; + + memset(phy_ht, 0, sizeof(*phy_ht)); + + phy_ht->tx_pwr_ctl = true; + for (i = 0; i < 3; i++) + phy_ht->tx_pwr_idx[i] = B43_PHY_HT_TXPCTL_CMD_C1_INIT + 1; + + for (i = 0; i < 3; i++) + phy_ht->bb_mult_save[i] = -1; +} + +static int b43_phy_ht_op_init(struct b43_wldev *dev) +{ + struct b43_phy_ht *phy_ht = dev->phy.ht; + u16 tmp; + u16 clip_state[3]; + bool saved_tx_pwr_ctl; + + if (dev->dev->bus_type != B43_BUS_BCMA) { + b43err(dev->wl, "HT-PHY is supported only on BCMA bus!\n"); + return -EOPNOTSUPP; + } + + b43_phy_ht_tables_init(dev); + + b43_phy_mask(dev, 0x0be, ~0x2); + b43_phy_set(dev, 0x23f, 0x7ff); + b43_phy_set(dev, 0x240, 0x7ff); + b43_phy_set(dev, 0x241, 0x7ff); + + b43_phy_ht_zero_extg(dev); + + b43_phy_mask(dev, B43_PHY_EXTG(0), ~0x3); + + b43_phy_write(dev, B43_PHY_HT_AFE_C1_OVER, 0); + b43_phy_write(dev, B43_PHY_HT_AFE_C2_OVER, 0); + b43_phy_write(dev, B43_PHY_HT_AFE_C3_OVER, 0); + + b43_phy_write(dev, B43_PHY_EXTG(0x103), 0x20); + b43_phy_write(dev, B43_PHY_EXTG(0x101), 0x20); + b43_phy_write(dev, 0x20d, 0xb8); + b43_phy_write(dev, B43_PHY_EXTG(0x14f), 0xc8); + b43_phy_write(dev, 0x70, 0x50); + b43_phy_write(dev, 0x1ff, 0x30); + + if (0) /* TODO: condition */ + ; /* TODO: PHY op on reg 0x217 */ + + if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) + b43_phy_ht_classifier(dev, B43_PHY_HT_CLASS_CTL_CCK_EN, 0); + else + b43_phy_ht_classifier(dev, B43_PHY_HT_CLASS_CTL_CCK_EN, + B43_PHY_HT_CLASS_CTL_CCK_EN); + + b43_phy_set(dev, 0xb1, 0x91); + b43_phy_write(dev, 0x32f, 0x0003); + b43_phy_write(dev, 0x077, 0x0010); + b43_phy_write(dev, 0x0b4, 0x0258); + b43_phy_mask(dev, 0x17e, ~0x4000); + + b43_phy_write(dev, 0x0b9, 0x0072); + + b43_httab_write_few(dev, B43_HTTAB16(7, 0x14e), 2, 0x010f, 0x010f); + b43_httab_write_few(dev, B43_HTTAB16(7, 0x15e), 2, 0x010f, 0x010f); + b43_httab_write_few(dev, B43_HTTAB16(7, 0x16e), 2, 0x010f, 0x010f); + + b43_phy_ht_afe_unk1(dev); + + b43_httab_write_few(dev, B43_HTTAB16(7, 0x130), 9, 0x777, 0x111, 0x111, + 0x777, 0x111, 0x111, 0x777, 0x111, 0x111); + + b43_httab_write(dev, B43_HTTAB16(7, 0x120), 0x0777); + b43_httab_write(dev, B43_HTTAB16(7, 0x124), 0x0777); + + b43_httab_write(dev, B43_HTTAB16(8, 0x00), 0x02); + b43_httab_write(dev, B43_HTTAB16(8, 0x10), 0x02); + b43_httab_write(dev, B43_HTTAB16(8, 0x20), 0x02); + + b43_httab_write_few(dev, B43_HTTAB16(8, 0x08), 4, + 0x8e, 0x96, 0x96, 0x96); + b43_httab_write_few(dev, B43_HTTAB16(8, 0x18), 4, + 0x8f, 0x9f, 0x9f, 0x9f); + b43_httab_write_few(dev, B43_HTTAB16(8, 0x28), 4, + 0x8f, 0x9f, 0x9f, 0x9f); + + b43_httab_write_few(dev, B43_HTTAB16(8, 0x0c), 4, 0x2, 0x2, 0x2, 0x2); + b43_httab_write_few(dev, B43_HTTAB16(8, 0x1c), 4, 0x2, 0x2, 0x2, 0x2); + b43_httab_write_few(dev, B43_HTTAB16(8, 0x2c), 4, 0x2, 0x2, 0x2, 0x2); + + b43_phy_maskset(dev, 0x0280, 0xff00, 0x3e); + b43_phy_maskset(dev, 0x0283, 0xff00, 0x3e); + b43_phy_maskset(dev, B43_PHY_OFDM(0x0141), 0xff00, 0x46); + b43_phy_maskset(dev, 0x0283, 0xff00, 0x40); + + b43_httab_write_few(dev, B43_HTTAB16(00, 0x8), 4, + 0x09, 0x0e, 0x13, 0x18); + b43_httab_write_few(dev, B43_HTTAB16(01, 0x8), 4, + 0x09, 0x0e, 0x13, 0x18); + /* TODO: Did wl mean 2 instead of 40? */ + b43_httab_write_few(dev, B43_HTTAB16(40, 0x8), 4, + 0x09, 0x0e, 0x13, 0x18); + + b43_phy_maskset(dev, B43_PHY_OFDM(0x24), 0x3f, 0xd); + b43_phy_maskset(dev, B43_PHY_OFDM(0x64), 0x3f, 0xd); + b43_phy_maskset(dev, B43_PHY_OFDM(0xa4), 0x3f, 0xd); + + b43_phy_set(dev, B43_PHY_EXTG(0x060), 0x1); + b43_phy_set(dev, B43_PHY_EXTG(0x064), 0x1); + b43_phy_set(dev, B43_PHY_EXTG(0x080), 0x1); + b43_phy_set(dev, B43_PHY_EXTG(0x084), 0x1); + + /* Copy some tables entries */ + tmp = b43_httab_read(dev, B43_HTTAB16(7, 0x144)); + b43_httab_write(dev, B43_HTTAB16(7, 0x14a), tmp); + tmp = b43_httab_read(dev, B43_HTTAB16(7, 0x154)); + b43_httab_write(dev, B43_HTTAB16(7, 0x15a), tmp); + tmp = b43_httab_read(dev, B43_HTTAB16(7, 0x164)); + b43_httab_write(dev, B43_HTTAB16(7, 0x16a), tmp); + + /* Reset CCA */ + b43_phy_force_clock(dev, true); + tmp = b43_phy_read(dev, B43_PHY_HT_BBCFG); + b43_phy_write(dev, B43_PHY_HT_BBCFG, tmp | B43_PHY_HT_BBCFG_RSTCCA); + b43_phy_write(dev, B43_PHY_HT_BBCFG, tmp & ~B43_PHY_HT_BBCFG_RSTCCA); + b43_phy_force_clock(dev, false); + + b43_mac_phy_clock_set(dev, true); + + b43_phy_ht_pa_override(dev, false); + b43_phy_ht_force_rf_sequence(dev, B43_PHY_HT_RF_SEQ_TRIG_RX2TX); + b43_phy_ht_force_rf_sequence(dev, B43_PHY_HT_RF_SEQ_TRIG_RST2RX); + b43_phy_ht_pa_override(dev, true); + + /* TODO: Should we restore it? Or store it in global PHY info? */ + b43_phy_ht_classifier(dev, 0, 0); + b43_phy_ht_read_clip_detection(dev, clip_state); + + if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) + b43_phy_ht_bphy_init(dev); + + b43_httab_write_bulk(dev, B43_HTTAB32(0x1a, 0xc0), + B43_HTTAB_1A_C0_LATE_SIZE, b43_httab_0x1a_0xc0_late); + + saved_tx_pwr_ctl = phy_ht->tx_pwr_ctl; + b43_phy_ht_tx_power_fix(dev); + b43_phy_ht_tx_power_ctl(dev, false); + b43_phy_ht_tx_power_ctl_idle_tssi(dev); + b43_phy_ht_tx_power_ctl_setup(dev); + b43_phy_ht_tssi_setup(dev); + b43_phy_ht_tx_power_ctl(dev, saved_tx_pwr_ctl); + + return 0; +} + +static void b43_phy_ht_op_free(struct b43_wldev *dev) +{ + struct b43_phy *phy = &dev->phy; + struct b43_phy_ht *phy_ht = phy->ht; + + kfree(phy_ht); + phy->ht = NULL; +} + +/* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */ +static void b43_phy_ht_op_software_rfkill(struct b43_wldev *dev, + bool blocked) +{ + if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED) + b43err(dev->wl, "MAC not suspended\n"); + + if (blocked) { + b43_phy_mask(dev, B43_PHY_HT_RF_CTL_CMD, + ~B43_PHY_HT_RF_CTL_CMD_CHIP0_PU); + } else { + if (dev->phy.radio_ver == 0x2059) + b43_radio_2059_init(dev); + else + B43_WARN_ON(1); + + b43_switch_channel(dev, dev->phy.channel); + } +} + +static void b43_phy_ht_op_switch_analog(struct b43_wldev *dev, bool on) +{ + if (on) { + b43_phy_write(dev, B43_PHY_HT_AFE_C1, 0x00cd); + b43_phy_write(dev, B43_PHY_HT_AFE_C1_OVER, 0x0000); + b43_phy_write(dev, B43_PHY_HT_AFE_C2, 0x00cd); + b43_phy_write(dev, B43_PHY_HT_AFE_C2_OVER, 0x0000); + b43_phy_write(dev, B43_PHY_HT_AFE_C3, 0x00cd); + b43_phy_write(dev, B43_PHY_HT_AFE_C3_OVER, 0x0000); + } else { + b43_phy_write(dev, B43_PHY_HT_AFE_C1_OVER, 0x07ff); + b43_phy_write(dev, B43_PHY_HT_AFE_C1, 0x00fd); + b43_phy_write(dev, B43_PHY_HT_AFE_C2_OVER, 0x07ff); + b43_phy_write(dev, B43_PHY_HT_AFE_C2, 0x00fd); + b43_phy_write(dev, B43_PHY_HT_AFE_C3_OVER, 0x07ff); + b43_phy_write(dev, B43_PHY_HT_AFE_C3, 0x00fd); + } +} + +static int b43_phy_ht_op_switch_channel(struct b43_wldev *dev, + unsigned int new_channel) +{ + struct ieee80211_channel *channel = dev->wl->hw->conf.chandef.chan; + enum nl80211_channel_type channel_type = + cfg80211_get_chandef_type(&dev->wl->hw->conf.chandef); + + if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { + if ((new_channel < 1) || (new_channel > 14)) + return -EINVAL; + } else { + return -EINVAL; + } + + return b43_phy_ht_set_channel(dev, channel, channel_type); +} + +static unsigned int b43_phy_ht_op_get_default_chan(struct b43_wldev *dev) +{ + if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) + return 11; + return 36; +} + +/************************************************** + * R/W ops. + **************************************************/ + +static void b43_phy_ht_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask, + u16 set) +{ + b43_write16f(dev, B43_MMIO_PHY_CONTROL, reg); + b43_write16(dev, B43_MMIO_PHY_DATA, + (b43_read16(dev, B43_MMIO_PHY_DATA) & mask) | set); +} + +static u16 b43_phy_ht_op_radio_read(struct b43_wldev *dev, u16 reg) +{ + /* HT-PHY needs 0x200 for read access */ + reg |= 0x200; + + b43_write16f(dev, B43_MMIO_RADIO24_CONTROL, reg); + return b43_read16(dev, B43_MMIO_RADIO24_DATA); +} + +static void b43_phy_ht_op_radio_write(struct b43_wldev *dev, u16 reg, + u16 value) +{ + b43_write16f(dev, B43_MMIO_RADIO24_CONTROL, reg); + b43_write16(dev, B43_MMIO_RADIO24_DATA, value); +} + +static enum b43_txpwr_result +b43_phy_ht_op_recalc_txpower(struct b43_wldev *dev, bool ignore_tssi) +{ + return B43_TXPWR_RES_DONE; +} + +static void b43_phy_ht_op_adjust_txpower(struct b43_wldev *dev) +{ +} + +/************************************************** + * PHY ops struct. + **************************************************/ + +const struct b43_phy_operations b43_phyops_ht = { + .allocate = b43_phy_ht_op_allocate, + .free = b43_phy_ht_op_free, + .prepare_structs = b43_phy_ht_op_prepare_structs, + .init = b43_phy_ht_op_init, + .phy_maskset = b43_phy_ht_op_maskset, + .radio_read = b43_phy_ht_op_radio_read, + .radio_write = b43_phy_ht_op_radio_write, + .software_rfkill = b43_phy_ht_op_software_rfkill, + .switch_analog = b43_phy_ht_op_switch_analog, + .switch_channel = b43_phy_ht_op_switch_channel, + .get_default_chan = b43_phy_ht_op_get_default_chan, + .recalc_txpower = b43_phy_ht_op_recalc_txpower, + .adjust_txpower = b43_phy_ht_op_adjust_txpower, +}; |