diff options
Diffstat (limited to 'drivers/net/wireless/broadcom/b43/phy_lcn.c')
| -rw-r--r-- | drivers/net/wireless/broadcom/b43/phy_lcn.c | 855 |
1 files changed, 855 insertions, 0 deletions
diff --git a/drivers/net/wireless/broadcom/b43/phy_lcn.c b/drivers/net/wireless/broadcom/b43/phy_lcn.c new file mode 100644 index 000000000000..97461ccf3e1e --- /dev/null +++ b/drivers/net/wireless/broadcom/b43/phy_lcn.c @@ -0,0 +1,855 @@ +/* + + Broadcom B43 wireless driver + IEEE 802.11n LCN-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. + + This file incorporates work covered by the following copyright and + permission notice: + + Copyright (c) 2010 Broadcom Corporation + + Permission to use, copy, modify, and/or distribute this software for any + purpose with or without fee is hereby granted, provided that the above + copyright notice and this permission notice appear in all copies. +*/ + +#include <linux/slab.h> + +#include "b43.h" +#include "phy_lcn.h" +#include "tables_phy_lcn.h" +#include "main.h" + +struct lcn_tx_gains { + u16 gm_gain; + u16 pga_gain; + u16 pad_gain; + u16 dac_gain; +}; + +struct lcn_tx_iir_filter { + u8 type; + u16 values[16]; +}; + +enum lcn_sense_type { + B43_SENSE_TEMP, + B43_SENSE_VBAT, +}; + +/************************************************** + * Radio 2064. + **************************************************/ + +/* wlc_lcnphy_radio_2064_channel_tune_4313 */ +static void b43_radio_2064_channel_setup(struct b43_wldev *dev) +{ + u16 save[2]; + + b43_radio_set(dev, 0x09d, 0x4); + b43_radio_write(dev, 0x09e, 0xf); + + /* Channel specific values in theory, in practice always the same */ + b43_radio_write(dev, 0x02a, 0xb); + b43_radio_maskset(dev, 0x030, ~0x3, 0xa); + b43_radio_maskset(dev, 0x091, ~0x3, 0); + b43_radio_maskset(dev, 0x038, ~0xf, 0x7); + b43_radio_maskset(dev, 0x030, ~0xc, 0x8); + b43_radio_maskset(dev, 0x05e, ~0xf, 0x8); + b43_radio_maskset(dev, 0x05e, ~0xf0, 0x80); + b43_radio_write(dev, 0x06c, 0x80); + + save[0] = b43_radio_read(dev, 0x044); + save[1] = b43_radio_read(dev, 0x12b); + + b43_radio_set(dev, 0x044, 0x7); + b43_radio_set(dev, 0x12b, 0xe); + + /* TODO */ + + b43_radio_write(dev, 0x040, 0xfb); + + b43_radio_write(dev, 0x041, 0x9a); + b43_radio_write(dev, 0x042, 0xa3); + b43_radio_write(dev, 0x043, 0x0c); + + /* TODO */ + + b43_radio_set(dev, 0x044, 0x0c); + udelay(1); + + b43_radio_write(dev, 0x044, save[0]); + b43_radio_write(dev, 0x12b, save[1]); + + if (dev->phy.rev == 1) { + /* brcmsmac uses outdated 0x3 for 0x038 */ + b43_radio_write(dev, 0x038, 0x0); + b43_radio_write(dev, 0x091, 0x7); + } +} + +/* wlc_radio_2064_init */ +static void b43_radio_2064_init(struct b43_wldev *dev) +{ + if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { + b43_radio_write(dev, 0x09c, 0x0020); + b43_radio_write(dev, 0x105, 0x0008); + } else { + /* TODO */ + } + b43_radio_write(dev, 0x032, 0x0062); + b43_radio_write(dev, 0x033, 0x0019); + b43_radio_write(dev, 0x090, 0x0010); + b43_radio_write(dev, 0x010, 0x0000); + if (dev->phy.rev == 1) { + b43_radio_write(dev, 0x060, 0x007f); + b43_radio_write(dev, 0x061, 0x0072); + b43_radio_write(dev, 0x062, 0x007f); + } + b43_radio_write(dev, 0x01d, 0x0002); + b43_radio_write(dev, 0x01e, 0x0006); + + b43_phy_write(dev, 0x4ea, 0x4688); + b43_phy_maskset(dev, 0x4eb, ~0x7, 0x2); + b43_phy_mask(dev, 0x4eb, ~0x01c0); + b43_phy_maskset(dev, 0x46a, 0xff00, 0x19); + + b43_lcntab_write(dev, B43_LCNTAB16(0x00, 0x55), 0); + + b43_radio_mask(dev, 0x05b, (u16) ~0xff02); + b43_radio_set(dev, 0x004, 0x40); + b43_radio_set(dev, 0x120, 0x10); + b43_radio_set(dev, 0x078, 0x80); + b43_radio_set(dev, 0x129, 0x2); + b43_radio_set(dev, 0x057, 0x1); + b43_radio_set(dev, 0x05b, 0x2); + + /* TODO: wait for some bit to be set */ + b43_radio_read(dev, 0x05c); + + b43_radio_mask(dev, 0x05b, (u16) ~0xff02); + b43_radio_mask(dev, 0x057, (u16) ~0xff01); + + b43_phy_write(dev, 0x933, 0x2d6b); + b43_phy_write(dev, 0x934, 0x2d6b); + b43_phy_write(dev, 0x935, 0x2d6b); + b43_phy_write(dev, 0x936, 0x2d6b); + b43_phy_write(dev, 0x937, 0x016b); + + b43_radio_mask(dev, 0x057, (u16) ~0xff02); + b43_radio_write(dev, 0x0c2, 0x006f); +} + +/************************************************** + * Various PHY ops + **************************************************/ + +/* wlc_lcnphy_toggle_afe_pwdn */ +static void b43_phy_lcn_afe_set_unset(struct b43_wldev *dev) +{ + u16 afe_ctl2 = b43_phy_read(dev, B43_PHY_LCN_AFE_CTL2); + u16 afe_ctl1 = b43_phy_read(dev, B43_PHY_LCN_AFE_CTL1); + + b43_phy_write(dev, B43_PHY_LCN_AFE_CTL2, afe_ctl2 | 0x1); + b43_phy_write(dev, B43_PHY_LCN_AFE_CTL1, afe_ctl1 | 0x1); + + b43_phy_write(dev, B43_PHY_LCN_AFE_CTL2, afe_ctl2 & ~0x1); + b43_phy_write(dev, B43_PHY_LCN_AFE_CTL1, afe_ctl1 & ~0x1); + + b43_phy_write(dev, B43_PHY_LCN_AFE_CTL2, afe_ctl2); + b43_phy_write(dev, B43_PHY_LCN_AFE_CTL1, afe_ctl1); +} + +/* wlc_lcnphy_get_pa_gain */ +static u16 b43_phy_lcn_get_pa_gain(struct b43_wldev *dev) +{ + return (b43_phy_read(dev, 0x4fb) & 0x7f00) >> 8; +} + +/* wlc_lcnphy_set_dac_gain */ +static void b43_phy_lcn_set_dac_gain(struct b43_wldev *dev, u16 dac_gain) +{ + u16 dac_ctrl; + + dac_ctrl = b43_phy_read(dev, 0x439); + dac_ctrl = dac_ctrl & 0xc7f; + dac_ctrl = dac_ctrl | (dac_gain << 7); + b43_phy_maskset(dev, 0x439, ~0xfff, dac_ctrl); +} + +/* wlc_lcnphy_set_bbmult */ +static void b43_phy_lcn_set_bbmult(struct b43_wldev *dev, u8 m0) +{ + b43_lcntab_write(dev, B43_LCNTAB16(0x00, 0x57), m0 << 8); +} + +/* wlc_lcnphy_clear_tx_power_offsets */ +static void b43_phy_lcn_clear_tx_power_offsets(struct b43_wldev *dev) +{ + u8 i; + + if (1) { /* FIXME */ + b43_phy_write(dev, B43_PHY_LCN_TABLE_ADDR, (0x7 << 10) | 0x340); + for (i = 0; i < 30; i++) { + b43_phy_write(dev, B43_PHY_LCN_TABLE_DATAHI, 0); + b43_phy_write(dev, B43_PHY_LCN_TABLE_DATALO, 0); + } + } + + b43_phy_write(dev, B43_PHY_LCN_TABLE_ADDR, (0x7 << 10) | 0x80); + for (i = 0; i < 64; i++) { + b43_phy_write(dev, B43_PHY_LCN_TABLE_DATAHI, 0); + b43_phy_write(dev, B43_PHY_LCN_TABLE_DATALO, 0); + } +} + +/* wlc_lcnphy_rev0_baseband_init */ +static void b43_phy_lcn_rev0_baseband_init(struct b43_wldev *dev) +{ + b43_radio_write(dev, 0x11c, 0); + + b43_phy_write(dev, 0x43b, 0); + b43_phy_write(dev, 0x43c, 0); + b43_phy_write(dev, 0x44c, 0); + b43_phy_write(dev, 0x4e6, 0); + b43_phy_write(dev, 0x4f9, 0); + b43_phy_write(dev, 0x4b0, 0); + b43_phy_write(dev, 0x938, 0); + b43_phy_write(dev, 0x4b0, 0); + b43_phy_write(dev, 0x44e, 0); + + b43_phy_set(dev, 0x567, 0x03); + + b43_phy_set(dev, 0x44a, 0x44); + b43_phy_write(dev, 0x44a, 0x80); + + if (!(dev->dev->bus_sprom->boardflags_lo & B43_BFL_FEM)) + ; /* TODO */ + b43_phy_maskset(dev, 0x634, ~0xff, 0xc); + if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_FEM) { + b43_phy_maskset(dev, 0x634, ~0xff, 0xa); + b43_phy_write(dev, 0x910, 0x1); + } + + b43_phy_write(dev, 0x910, 0x1); + + b43_phy_maskset(dev, 0x448, ~0x300, 0x100); + b43_phy_maskset(dev, 0x608, ~0xff, 0x17); + b43_phy_maskset(dev, 0x604, ~0x7ff, 0x3ea); +} + +/* wlc_lcnphy_bu_tweaks */ +static void b43_phy_lcn_bu_tweaks(struct b43_wldev *dev) +{ + b43_phy_set(dev, 0x805, 0x1); + + b43_phy_maskset(dev, 0x42f, ~0x7, 0x3); + b43_phy_maskset(dev, 0x030, ~0x7, 0x3); + + b43_phy_write(dev, 0x414, 0x1e10); + b43_phy_write(dev, 0x415, 0x0640); + + b43_phy_maskset(dev, 0x4df, (u16) ~0xff00, 0xf700); + + b43_phy_set(dev, 0x44a, 0x44); + b43_phy_write(dev, 0x44a, 0x80); + + b43_phy_maskset(dev, 0x434, ~0xff, 0xfd); + b43_phy_maskset(dev, 0x420, ~0xff, 0x10); + + if (dev->dev->bus_sprom->board_rev >= 0x1204) + b43_radio_set(dev, 0x09b, 0xf0); + + b43_phy_write(dev, 0x7d6, 0x0902); + + b43_phy_maskset(dev, 0x429, ~0xf, 0x9); + b43_phy_maskset(dev, 0x429, ~(0x3f << 4), 0xe << 4); + + if (dev->phy.rev == 1) { + b43_phy_maskset(dev, 0x423, ~0xff, 0x46); + b43_phy_maskset(dev, 0x411, ~0xff, 1); + b43_phy_set(dev, 0x434, 0xff); /* FIXME: update to wl */ + + /* TODO: wl operates on PHY 0x416, brcmsmac is outdated here */ + + b43_phy_maskset(dev, 0x656, ~0xf, 2); + b43_phy_set(dev, 0x44d, 4); + + b43_radio_set(dev, 0x0f7, 0x4); + b43_radio_mask(dev, 0x0f1, ~0x3); + b43_radio_maskset(dev, 0x0f2, ~0xf8, 0x90); + b43_radio_maskset(dev, 0x0f3, ~0x3, 0x2); + b43_radio_maskset(dev, 0x0f3, ~0xf0, 0xa0); + + b43_radio_set(dev, 0x11f, 0x2); + + b43_phy_lcn_clear_tx_power_offsets(dev); + + /* TODO: something more? */ + } +} + +/* wlc_lcnphy_vbat_temp_sense_setup */ +static void b43_phy_lcn_sense_setup(struct b43_wldev *dev, + enum lcn_sense_type sense_type) +{ + u8 auxpga_vmidcourse, auxpga_vmidfine, auxpga_gain; + u16 auxpga_vmid; + u8 tx_pwr_idx; + u8 i; + + u16 save_radio_regs[6][2] = { + { 0x007, 0 }, { 0x0ff, 0 }, { 0x11f, 0 }, { 0x005, 0 }, + { 0x025, 0 }, { 0x112, 0 }, + }; + u16 save_phy_regs[14][2] = { + { 0x503, 0 }, { 0x4a4, 0 }, { 0x4d0, 0 }, { 0x4d9, 0 }, + { 0x4da, 0 }, { 0x4a6, 0 }, { 0x938, 0 }, { 0x939, 0 }, + { 0x4d8, 0 }, { 0x4d0, 0 }, { 0x4d7, 0 }, { 0x4a5, 0 }, + { 0x40d, 0 }, { 0x4a2, 0 }, + }; + u16 save_radio_4a4; + + msleep(1); + + /* Save */ + for (i = 0; i < 6; i++) + save_radio_regs[i][1] = b43_radio_read(dev, + save_radio_regs[i][0]); + for (i = 0; i < 14; i++) + save_phy_regs[i][1] = b43_phy_read(dev, save_phy_regs[i][0]); + b43_mac_suspend(dev); + save_radio_4a4 = b43_radio_read(dev, 0x4a4); + /* wlc_lcnphy_set_tx_pwr_ctrl(pi, LCNPHY_TX_PWR_CTRL_OFF); */ + tx_pwr_idx = dev->phy.lcn->tx_pwr_curr_idx; + + /* Setup */ + /* TODO: wlc_lcnphy_set_tx_pwr_by_index(pi, 127); */ + b43_radio_set(dev, 0x007, 0x1); + b43_radio_set(dev, 0x0ff, 0x10); + b43_radio_set(dev, 0x11f, 0x4); + + b43_phy_mask(dev, 0x503, ~0x1); + b43_phy_mask(dev, 0x503, ~0x4); + b43_phy_mask(dev, 0x4a4, ~0x4000); + b43_phy_mask(dev, 0x4a4, (u16) ~0x8000); + b43_phy_mask(dev, 0x4d0, ~0x20); + b43_phy_set(dev, 0x4a5, 0xff); + b43_phy_maskset(dev, 0x4a5, ~0x7000, 0x5000); + b43_phy_mask(dev, 0x4a5, ~0x700); + b43_phy_maskset(dev, 0x40d, ~0xff, 64); + b43_phy_maskset(dev, 0x40d, ~0x700, 0x600); + b43_phy_maskset(dev, 0x4a2, ~0xff, 64); + b43_phy_maskset(dev, 0x4a2, ~0x700, 0x600); + b43_phy_maskset(dev, 0x4d9, ~0x70, 0x20); + b43_phy_maskset(dev, 0x4d9, ~0x700, 0x300); + b43_phy_maskset(dev, 0x4d9, ~0x7000, 0x1000); + b43_phy_mask(dev, 0x4da, ~0x1000); + b43_phy_set(dev, 0x4da, 0x2000); + b43_phy_set(dev, 0x4a6, 0x8000); + + b43_radio_write(dev, 0x025, 0xc); + b43_radio_set(dev, 0x005, 0x8); + b43_phy_set(dev, 0x938, 0x4); + b43_phy_set(dev, 0x939, 0x4); + b43_phy_set(dev, 0x4a4, 0x1000); + + /* FIXME: don't hardcode */ + b43_lcntab_write(dev, B43_LCNTAB16(0x8, 0x6), 0x640); + + switch (sense_type) { + case B43_SENSE_TEMP: + b43_phy_set(dev, 0x4d7, 0x8); + b43_phy_maskset(dev, 0x4d7, ~0x7000, 0x1000); + auxpga_vmidcourse = 8; + auxpga_vmidfine = 0x4; + auxpga_gain = 2; + b43_radio_set(dev, 0x082, 0x20); + break; + case B43_SENSE_VBAT: + b43_phy_set(dev, 0x4d7, 0x8); + b43_phy_maskset(dev, 0x4d7, ~0x7000, 0x3000); + auxpga_vmidcourse = 7; + auxpga_vmidfine = 0xa; + auxpga_gain = 2; + break; + } + auxpga_vmid = (0x200 | (auxpga_vmidcourse << 4) | auxpga_vmidfine); + + b43_phy_set(dev, 0x4d8, 0x1); + b43_phy_maskset(dev, 0x4d8, ~(0x3ff << 2), auxpga_vmid << 2); + b43_phy_set(dev, 0x4d8, 0x2); + b43_phy_maskset(dev, 0x4d8, ~(0x7 << 12), auxpga_gain << 12); + b43_phy_set(dev, 0x4d0, 0x20); + b43_radio_write(dev, 0x112, 0x6); + + b43_dummy_transmission(dev, true, false); + /* Wait if not done */ + if (!(b43_phy_read(dev, 0x476) & 0x8000)) + udelay(10); + + /* Restore */ + for (i = 0; i < 6; i++) + b43_radio_write(dev, save_radio_regs[i][0], + save_radio_regs[i][1]); + for (i = 0; i < 14; i++) + b43_phy_write(dev, save_phy_regs[i][0], save_phy_regs[i][1]); + /* TODO: wlc_lcnphy_set_tx_pwr_by_index(tx_pwr_idx) */ + b43_radio_write(dev, 0x4a4, save_radio_4a4); + + b43_mac_enable(dev); + + msleep(1); +} + +static bool b43_phy_lcn_load_tx_iir_cck_filter(struct b43_wldev *dev, + u8 filter_type) +{ + int i, j; + u16 phy_regs[] = { 0x910, 0x91e, 0x91f, 0x924, 0x925, 0x926, 0x920, + 0x921, 0x927, 0x928, 0x929, 0x922, 0x923, 0x930, + 0x931, 0x932 }; + /* Table is from brcmsmac, values for type 25 were outdated, probably + * others need updating too */ + struct lcn_tx_iir_filter tx_iir_filters_cck[] = { + { 0, { 1, 415, 1874, 64, 128, 64, 792, 1656, 64, 128, 64, 778, + 1582, 64, 128, 64 } }, + { 1, { 1, 402, 1847, 259, 59, 259, 671, 1794, 68, 54, 68, 608, + 1863, 93, 167, 93 } }, + { 2, { 1, 415, 1874, 64, 128, 64, 792, 1656, 192, 384, 192, + 778, 1582, 64, 128, 64 } }, + { 3, { 1, 302, 1841, 129, 258, 129, 658, 1720, 205, 410, 205, + 754, 1760, 170, 340, 170 } }, + { 20, { 1, 360, 1884, 242, 1734, 242, 752, 1720, 205, 1845, 205, + 767, 1760, 256, 185, 256 } }, + { 21, { 1, 360, 1884, 149, 1874, 149, 752, 1720, 205, 1883, 205, + 767, 1760, 256, 273, 256 } }, + { 22, { 1, 360, 1884, 98, 1948, 98, 752, 1720, 205, 1924, 205, + 767, 1760, 256, 352, 256 } }, + { 23, { 1, 350, 1884, 116, 1966, 116, 752, 1720, 205, 2008, 205, + 767, 1760, 128, 233, 128 } }, + { 24, { 1, 325, 1884, 32, 40, 32, 756, 1720, 256, 471, 256, 766, + 1760, 256, 1881, 256 } }, + { 25, { 1, 299, 1884, 51, 64, 51, 736, 1720, 256, 471, 256, 765, + 1760, 262, 1878, 262 } }, + /* brcmsmac version { 25, { 1, 299, 1884, 51, 64, 51, 736, 1720, + * 256, 471, 256, 765, 1760, 256, 1881, 256 } }, */ + { 26, { 1, 277, 1943, 39, 117, 88, 637, 1838, 64, 192, 144, 614, + 1864, 128, 384, 288 } }, + { 27, { 1, 245, 1943, 49, 147, 110, 626, 1838, 256, 768, 576, + 613, 1864, 128, 384, 288 } }, + { 30, { 1, 302, 1841, 61, 122, 61, 658, 1720, 205, 410, 205, + 754, 1760, 170, 340, 170 } }, + }; + + for (i = 0; i < ARRAY_SIZE(tx_iir_filters_cck); i++) { + if (tx_iir_filters_cck[i].type == filter_type) { + for (j = 0; j < 16; j++) + b43_phy_write(dev, phy_regs[j], + tx_iir_filters_cck[i].values[j]); + return true; + } + } + + return false; +} + +static bool b43_phy_lcn_load_tx_iir_ofdm_filter(struct b43_wldev *dev, + u8 filter_type) +{ + int i, j; + u16 phy_regs[] = { 0x90f, 0x900, 0x901, 0x906, 0x907, 0x908, 0x902, + 0x903, 0x909, 0x90a, 0x90b, 0x904, 0x905, 0x90c, + 0x90d, 0x90e }; + struct lcn_tx_iir_filter tx_iir_filters_ofdm[] = { + { 0, { 0, 0xa2, 0x0, 0x100, 0x100, 0x0, 0x0, 0x0, 0x100, 0x0, + 0x0, 0x278, 0xfea0, 0x80, 0x100, 0x80 } }, + { 1, { 0, 374, 0xFF79, 16, 32, 16, 799, 0xFE74, 50, 32, 50, 750, + 0xFE2B, 212, 0xFFCE, 212 } }, + { 2, { 0, 375, 0xFF16, 37, 76, 37, 799, 0xFE74, 32, 20, 32, 748, + 0xFEF2, 128, 0xFFE2, 128 } }, + }; + + for (i = 0; i < ARRAY_SIZE(tx_iir_filters_ofdm); i++) { + if (tx_iir_filters_ofdm[i].type == filter_type) { + for (j = 0; j < 16; j++) + b43_phy_write(dev, phy_regs[j], + tx_iir_filters_ofdm[i].values[j]); + return true; + } + } + + return false; +} + +/* wlc_lcnphy_set_tx_gain_override */ +static void b43_phy_lcn_set_tx_gain_override(struct b43_wldev *dev, bool enable) +{ + b43_phy_maskset(dev, 0x4b0, ~(0x1 << 7), enable << 7); + b43_phy_maskset(dev, 0x4b0, ~(0x1 << 14), enable << 14); + b43_phy_maskset(dev, 0x43b, ~(0x1 << 6), enable << 6); +} + +/* wlc_lcnphy_set_tx_gain */ +static void b43_phy_lcn_set_tx_gain(struct b43_wldev *dev, + struct lcn_tx_gains *target_gains) +{ + u16 pa_gain = b43_phy_lcn_get_pa_gain(dev); + + b43_phy_write(dev, 0x4b5, + (target_gains->gm_gain | (target_gains->pga_gain << 8))); + b43_phy_maskset(dev, 0x4fb, ~0x7fff, + (target_gains->pad_gain | (pa_gain << 8))); + b43_phy_write(dev, 0x4fc, + (target_gains->gm_gain | (target_gains->pga_gain << 8))); + b43_phy_maskset(dev, 0x4fd, ~0x7fff, + (target_gains->pad_gain | (pa_gain << 8))); + + b43_phy_lcn_set_dac_gain(dev, target_gains->dac_gain); + b43_phy_lcn_set_tx_gain_override(dev, true); +} + +/* wlc_lcnphy_tx_pwr_ctrl_init */ +static void b43_phy_lcn_tx_pwr_ctl_init(struct b43_wldev *dev) +{ + struct lcn_tx_gains tx_gains; + u8 bbmult; + + b43_mac_suspend(dev); + + if (!dev->phy.lcn->hw_pwr_ctl_capable) { + if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { + tx_gains.gm_gain = 4; + tx_gains.pga_gain = 12; + tx_gains.pad_gain = 12; + tx_gains.dac_gain = 0; + bbmult = 150; + } else { + tx_gains.gm_gain = 7; + tx_gains.pga_gain = 15; + tx_gains.pad_gain = 14; + tx_gains.dac_gain = 0; + bbmult = 150; + } + b43_phy_lcn_set_tx_gain(dev, &tx_gains); + b43_phy_lcn_set_bbmult(dev, bbmult); + b43_phy_lcn_sense_setup(dev, B43_SENSE_TEMP); + } else { + b43err(dev->wl, "TX power control not supported for this HW\n"); + } + + b43_mac_enable(dev); +} + +/* wlc_lcnphy_txrx_spur_avoidance_mode */ +static void b43_phy_lcn_txrx_spur_avoidance_mode(struct b43_wldev *dev, + bool enable) +{ + if (enable) { + b43_phy_write(dev, 0x942, 0x7); + b43_phy_write(dev, 0x93b, ((1 << 13) + 23)); + b43_phy_write(dev, 0x93c, ((1 << 13) + 1989)); + + b43_phy_write(dev, 0x44a, 0x084); + b43_phy_write(dev, 0x44a, 0x080); + b43_phy_write(dev, 0x6d3, 0x2222); + b43_phy_write(dev, 0x6d3, 0x2220); + } else { + b43_phy_write(dev, 0x942, 0x0); + b43_phy_write(dev, 0x93b, ((0 << 13) + 23)); + b43_phy_write(dev, 0x93c, ((0 << 13) + 1989)); + } + b43_mac_switch_freq(dev, enable); +} + +/************************************************** + * Channel switching ops. + **************************************************/ + +/* wlc_lcnphy_set_chanspec_tweaks */ +static void b43_phy_lcn_set_channel_tweaks(struct b43_wldev *dev, int channel) +{ + struct bcma_drv_cc *cc = &dev->dev->bdev->bus->drv_cc; + + b43_phy_maskset(dev, 0x448, ~0x300, (channel == 14) ? 0x200 : 0x100); + + if (channel == 1 || channel == 2 || channel == 3 || channel == 4 || + channel == 9 || channel == 10 || channel == 11 || channel == 12) { + bcma_chipco_pll_write(cc, 0x2, 0x03000c04); + bcma_chipco_pll_maskset(cc, 0x3, 0x00ffffff, 0x0); + bcma_chipco_pll_write(cc, 0x4, 0x200005c0); + + bcma_cc_set32(cc, BCMA_CC_PMU_CTL, 0x400); + + b43_phy_write(dev, 0x942, 0); + + b43_phy_lcn_txrx_spur_avoidance_mode(dev, false); + b43_phy_maskset(dev, 0x424, (u16) ~0xff00, 0x1b00); + b43_phy_write(dev, 0x425, 0x5907); + } else { + bcma_chipco_pll_write(cc, 0x2, 0x03140c04); + bcma_chipco_pll_maskset(cc, 0x3, 0x00ffffff, 0x333333); + bcma_chipco_pll_write(cc, 0x4, 0x202c2820); + + bcma_cc_set32(cc, BCMA_CC_PMU_CTL, 0x400); + + b43_phy_write(dev, 0x942, 0); + + b43_phy_lcn_txrx_spur_avoidance_mode(dev, true); + b43_phy_maskset(dev, 0x424, (u16) ~0xff00, 0x1f00); + b43_phy_write(dev, 0x425, 0x590a); + } + + b43_phy_set(dev, 0x44a, 0x44); + b43_phy_write(dev, 0x44a, 0x80); +} + +/* wlc_phy_chanspec_set_lcnphy */ +static int b43_phy_lcn_set_channel(struct b43_wldev *dev, + struct ieee80211_channel *channel, + enum nl80211_channel_type channel_type) +{ + static const u16 sfo_cfg[14][2] = { + {965, 1087}, {967, 1085}, {969, 1082}, {971, 1080}, {973, 1078}, + {975, 1076}, {977, 1073}, {979, 1071}, {981, 1069}, {983, 1067}, + {985, 1065}, {987, 1063}, {989, 1060}, {994, 1055}, + }; + + b43_phy_lcn_set_channel_tweaks(dev, channel->hw_value); + + b43_phy_set(dev, 0x44a, 0x44); + b43_phy_write(dev, 0x44a, 0x80); + + b43_radio_2064_channel_setup(dev); + mdelay(1); + + b43_phy_lcn_afe_set_unset(dev); + + b43_phy_write(dev, 0x657, sfo_cfg[channel->hw_value - 1][0]); + b43_phy_write(dev, 0x658, sfo_cfg[channel->hw_value - 1][1]); + + if (channel->hw_value == 14) { + b43_phy_maskset(dev, 0x448, ~(0x3 << 8), (2) << 8); + b43_phy_lcn_load_tx_iir_cck_filter(dev, 3); + } else { + b43_phy_maskset(dev, 0x448, ~(0x3 << 8), (1) << 8); + /* brcmsmac uses filter_type 2, we follow wl with 25 */ + b43_phy_lcn_load_tx_iir_cck_filter(dev, 25); + } + /* brcmsmac uses filter_type 2, we follow wl with 0 */ + b43_phy_lcn_load_tx_iir_ofdm_filter(dev, 0); + + b43_phy_maskset(dev, 0x4eb, ~(0x7 << 3), 0x1 << 3); + + return 0; +} + +/************************************************** + * Basic PHY ops. + **************************************************/ + +static int b43_phy_lcn_op_allocate(struct b43_wldev *dev) +{ + struct b43_phy_lcn *phy_lcn; + + phy_lcn = kzalloc(sizeof(*phy_lcn), GFP_KERNEL); + if (!phy_lcn) + return -ENOMEM; + dev->phy.lcn = phy_lcn; + + return 0; +} + +static void b43_phy_lcn_op_free(struct b43_wldev *dev) +{ + struct b43_phy *phy = &dev->phy; + struct b43_phy_lcn *phy_lcn = phy->lcn; + + kfree(phy_lcn); + phy->lcn = NULL; +} + +static void b43_phy_lcn_op_prepare_structs(struct b43_wldev *dev) +{ + struct b43_phy *phy = &dev->phy; + struct b43_phy_lcn *phy_lcn = phy->lcn; + + memset(phy_lcn, 0, sizeof(*phy_lcn)); +} + +/* wlc_phy_init_lcnphy */ +static int b43_phy_lcn_op_init(struct b43_wldev *dev) +{ + struct bcma_drv_cc *cc = &dev->dev->bdev->bus->drv_cc; + + b43_phy_set(dev, 0x44a, 0x80); + b43_phy_mask(dev, 0x44a, 0x7f); + b43_phy_set(dev, 0x6d1, 0x80); + b43_phy_write(dev, 0x6d0, 0x7); + + b43_phy_lcn_afe_set_unset(dev); + + b43_phy_write(dev, 0x60a, 0xa0); + b43_phy_write(dev, 0x46a, 0x19); + b43_phy_maskset(dev, 0x663, 0xFF00, 0x64); + + b43_phy_lcn_tables_init(dev); + + b43_phy_lcn_rev0_baseband_init(dev); + b43_phy_lcn_bu_tweaks(dev); + + if (dev->phy.radio_ver == 0x2064) + b43_radio_2064_init(dev); + else + B43_WARN_ON(1); + + if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) + b43_phy_lcn_tx_pwr_ctl_init(dev); + + b43_switch_channel(dev, dev->phy.channel); + + bcma_chipco_regctl_maskset(cc, 0, 0xf, 0x9); + bcma_chipco_chipctl_maskset(cc, 0, 0, 0x03cddddd); + + /* TODO */ + + b43_phy_set(dev, 0x448, 0x4000); + udelay(100); + b43_phy_mask(dev, 0x448, ~0x4000); + + /* TODO */ + + return 0; +} + +static void b43_phy_lcn_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_LCN_RF_CTL2, ~0x7c00); + b43_phy_set(dev, B43_PHY_LCN_RF_CTL1, 0x1f00); + + b43_phy_mask(dev, B43_PHY_LCN_RF_CTL5, ~0x7f00); + b43_phy_mask(dev, B43_PHY_LCN_RF_CTL4, ~0x2); + b43_phy_set(dev, B43_PHY_LCN_RF_CTL3, 0x808); + + b43_phy_mask(dev, B43_PHY_LCN_RF_CTL7, ~0x8); + b43_phy_set(dev, B43_PHY_LCN_RF_CTL6, 0x8); + } else { + b43_phy_mask(dev, B43_PHY_LCN_RF_CTL1, ~0x1f00); + b43_phy_mask(dev, B43_PHY_LCN_RF_CTL3, ~0x808); + b43_phy_mask(dev, B43_PHY_LCN_RF_CTL6, ~0x8); + } +} + +static void b43_phy_lcn_op_switch_analog(struct b43_wldev *dev, bool on) +{ + if (on) { + b43_phy_mask(dev, B43_PHY_LCN_AFE_CTL1, ~0x7); + } else { + b43_phy_set(dev, B43_PHY_LCN_AFE_CTL2, 0x7); + b43_phy_set(dev, B43_PHY_LCN_AFE_CTL1, 0x7); + } +} + +static int b43_phy_lcn_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_lcn_set_channel(dev, channel, channel_type); +} + +static unsigned int b43_phy_lcn_op_get_default_chan(struct b43_wldev *dev) +{ + if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) + return 1; + return 36; +} + +static enum b43_txpwr_result +b43_phy_lcn_op_recalc_txpower(struct b43_wldev *dev, bool ignore_tssi) +{ + return B43_TXPWR_RES_DONE; +} + +static void b43_phy_lcn_op_adjust_txpower(struct b43_wldev *dev) +{ +} + +/************************************************** + * R/W ops. + **************************************************/ + +static void b43_phy_lcn_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_lcn_op_radio_read(struct b43_wldev *dev, u16 reg) +{ + /* LCN-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_lcn_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); +} + +/************************************************** + * PHY ops struct. + **************************************************/ + +const struct b43_phy_operations b43_phyops_lcn = { + .allocate = b43_phy_lcn_op_allocate, + .free = b43_phy_lcn_op_free, + .prepare_structs = b43_phy_lcn_op_prepare_structs, + .init = b43_phy_lcn_op_init, + .phy_maskset = b43_phy_lcn_op_maskset, + .radio_read = b43_phy_lcn_op_radio_read, + .radio_write = b43_phy_lcn_op_radio_write, + .software_rfkill = b43_phy_lcn_op_software_rfkill, + .switch_analog = b43_phy_lcn_op_switch_analog, + .switch_channel = b43_phy_lcn_op_switch_channel, + .get_default_chan = b43_phy_lcn_op_get_default_chan, + .recalc_txpower = b43_phy_lcn_op_recalc_txpower, + .adjust_txpower = b43_phy_lcn_op_adjust_txpower, +}; |