diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/b43/phy_lcn.c | 107 |
1 files changed, 106 insertions, 1 deletions
diff --git a/drivers/net/wireless/b43/phy_lcn.c b/drivers/net/wireless/b43/phy_lcn.c index 06d8efc2f29f..765036461204 100644 --- a/drivers/net/wireless/b43/phy_lcn.c +++ b/drivers/net/wireless/b43/phy_lcn.c @@ -37,6 +37,11 @@ #include "tables_phy_lcn.h" #include "main.h" +struct lcn_tx_iir_filter { + u8 type; + u16 values[16]; +}; + /************************************************** * Radio 2064. **************************************************/ @@ -282,6 +287,86 @@ static void b43_phy_lcn_sense_setup(struct b43_wldev *dev) b43_radio_write(dev, 0x4a4, save_radio_4a4); } +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0x921, 0x927, 0x928, 0x929, 0x922, 0x923, 0x930, + 0x931, 0x932 }; + /* Table is from brcmsmac, values for type 25 were outdated, probably + * others need updating too */ + struct lcn_tx_iir_filter tx_iir_filters_cck[] = { + { 0, { 1, 415, 1874, 64, 128, 64, 792, 1656, 64, 128, 64, 778,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; +} + /************************************************** * Channel switching ops. **************************************************/ @@ -329,6 +414,12 @@ 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); @@ -339,7 +430,21 @@ static int b43_phy_lcn_set_channel(struct b43_wldev *dev, b43_phy_lcn_afe_set_unset(dev); - /* TODO */ + 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; } |