diff options
Diffstat (limited to 'drivers/net/wireless/b43/phy_lcn.c')
| -rw-r--r-- | drivers/net/wireless/b43/phy_lcn.c | 855 |
1 files changed, 0 insertions, 855 deletions
diff --git a/drivers/net/wireless/b43/phy_lcn.c b/drivers/net/wireless/b43/phy_lcn.c deleted file mode 100644 index 97461ccf3..000000000 --- a/drivers/net/wireless/b43/phy_lcn.c +++ /dev/null @@ -1,855 +0,0 @@ -/* - - 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, -}; |