diff options
Diffstat (limited to 'ar5212/ar5212_phy.c')
| -rw-r--r-- | ar5212/ar5212_phy.c | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/ar5212/ar5212_phy.c b/ar5212/ar5212_phy.c new file mode 100644 index 0000000..48469ad --- /dev/null +++ b/ar5212/ar5212_phy.c @@ -0,0 +1,200 @@ +/* + * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting + * Copyright (c) 2002-2008 Atheros Communications, Inc. + * + * 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. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * $Id: ar5212_phy.c,v 1.4 2008/11/10 01:19:38 sam Exp $ + */ +#include "opt_ah.h" + +#ifdef AH_SUPPORT_AR5212 + +#include "ah.h" +#include "ah_internal.h" + +#include "ar5212/ar5212.h" + +/* shorthands to compact tables for readability */ +#define OFDM IEEE80211_T_OFDM +#define CCK IEEE80211_T_CCK +#define TURBO IEEE80211_T_TURBO + +HAL_RATE_TABLE ar5212_11a_table = { + 8, /* number of rates */ + { 0 }, + { +/* short ctrl */ +/* valid rateCode Preamble dot11Rate Rate */ +/* 6 Mb */ { AH_TRUE, OFDM, 6000, 0x0b, 0x00, (0x80|12), 0 }, +/* 9 Mb */ { AH_TRUE, OFDM, 9000, 0x0f, 0x00, 18, 0 }, +/* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, (0x80|24), 2 }, +/* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 2 }, +/* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, (0x80|48), 4 }, +/* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 4 }, +/* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 4 }, +/* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 4 } + }, +}; + +HAL_RATE_TABLE ar5212_11a_half_table = { + 8, /* number of rates */ + { 0 }, + { +/* short ctrl */ +/* valid rateCode Preamble dot11Rate Rate */ +/* 6 Mb */ { AH_TRUE, OFDM, 3000, 0x0b, 0x00, (0x80|6), 0 }, +/* 9 Mb */ { AH_TRUE, OFDM, 4500, 0x0f, 0x00, 9, 0 }, +/* 12 Mb */ { AH_TRUE, OFDM, 6000, 0x0a, 0x00, (0x80|12), 2 }, +/* 18 Mb */ { AH_TRUE, OFDM, 9000, 0x0e, 0x00, 18, 2 }, +/* 24 Mb */ { AH_TRUE, OFDM, 12000, 0x09, 0x00, (0x80|24), 4 }, +/* 36 Mb */ { AH_TRUE, OFDM, 18000, 0x0d, 0x00, 36, 4 }, +/* 48 Mb */ { AH_TRUE, OFDM, 24000, 0x08, 0x00, 48, 4 }, +/* 54 Mb */ { AH_TRUE, OFDM, 27000, 0x0c, 0x00, 54, 4 } + }, +}; + +HAL_RATE_TABLE ar5212_11a_quarter_table = { + 8, /* number of rates */ + { 0 }, + { +/* short ctrl */ +/* valid rateCode Preamble dot11Rate Rate */ +/* 6 Mb */ { AH_TRUE, OFDM, 1500, 0x0b, 0x00, (0x80|3), 0 }, +/* 9 Mb */ { AH_TRUE, OFDM, 2250, 0x0f, 0x00, 4, 0 }, +/* 12 Mb */ { AH_TRUE, OFDM, 3000, 0x0a, 0x00, (0x80|6), 2 }, +/* 18 Mb */ { AH_TRUE, OFDM, 4500, 0x0e, 0x00, 9, 2 }, +/* 24 Mb */ { AH_TRUE, OFDM, 6000, 0x09, 0x00, (0x80|12), 4 }, +/* 36 Mb */ { AH_TRUE, OFDM, 9000, 0x0d, 0x00, 18, 4 }, +/* 48 Mb */ { AH_TRUE, OFDM, 12000, 0x08, 0x00, 24, 4 }, +/* 54 Mb */ { AH_TRUE, OFDM, 13500, 0x0c, 0x00, 27, 4 } + }, +}; + +HAL_RATE_TABLE ar5212_turbog_table = { + 7, /* number of rates */ + { 0 }, + { +/* short ctrl */ +/* valid rateCode Preamble dot11Rate Rate */ +/* 6 Mb */ { AH_TRUE, TURBO, 6000, 0x0b, 0x00, (0x80|12), 0 }, +/* 12 Mb */ { AH_TRUE, TURBO, 12000, 0x0a, 0x00, (0x80|24), 2 }, +/* 18 Mb */ { AH_TRUE, TURBO, 18000, 0x0e, 0x00, 36, 2 }, +/* 24 Mb */ { AH_TRUE, TURBO, 24000, 0x09, 0x00, (0x80|48), 3 }, +/* 36 Mb */ { AH_TRUE, TURBO, 36000, 0x0d, 0x00, 72, 3 }, +/* 48 Mb */ { AH_TRUE, TURBO, 48000, 0x08, 0x00, 96, 3 }, +/* 54 Mb */ { AH_TRUE, TURBO, 54000, 0x0c, 0x00, 108, 3 } + }, +}; + +HAL_RATE_TABLE ar5212_turboa_table = { + 8, /* number of rates */ + { 0 }, + { +/* short ctrl */ +/* valid rateCode Preamble dot11Rate Rate */ +/* 6 Mb */ { AH_TRUE, TURBO, 6000, 0x0b, 0x00, (0x80|12), 0 }, +/* 9 Mb */ { AH_TRUE, TURBO, 9000, 0x0f, 0x00, 18, 0 }, +/* 12 Mb */ { AH_TRUE, TURBO, 12000, 0x0a, 0x00, (0x80|24), 2 }, +/* 18 Mb */ { AH_TRUE, TURBO, 18000, 0x0e, 0x00, 36, 2 }, +/* 24 Mb */ { AH_TRUE, TURBO, 24000, 0x09, 0x00, (0x80|48), 4 }, +/* 36 Mb */ { AH_TRUE, TURBO, 36000, 0x0d, 0x00, 72, 4 }, +/* 48 Mb */ { AH_TRUE, TURBO, 48000, 0x08, 0x00, 96, 4 }, +/* 54 Mb */ { AH_TRUE, TURBO, 54000, 0x0c, 0x00, 108, 4 } + }, +}; + +HAL_RATE_TABLE ar5212_11b_table = { + 4, /* number of rates */ + { 0 }, + { +/* short ctrl */ +/* valid rateCode Preamble dot11Rate Rate */ +/* 1 Mb */ { AH_TRUE, CCK, 1000, 0x1b, 0x00, (0x80| 2), 0 }, +/* 2 Mb */ { AH_TRUE, CCK, 2000, 0x1a, 0x04, (0x80| 4), 1 }, +/* 5.5 Mb */ { AH_TRUE, CCK, 5500, 0x19, 0x04, (0x80|11), 1 }, +/* 11 Mb */ { AH_TRUE, CCK, 11000, 0x18, 0x04, (0x80|22), 1 } + }, +}; + + +/* Venice TODO: roundUpRate() is broken when the rate table does not represent rates + * in increasing order e.g. 5.5, 11, 6, 9. + * An average rate of 6 Mbps will currently map to 11 Mbps. + */ +HAL_RATE_TABLE ar5212_11g_table = { + 12, /* number of rates */ + { 0 }, + { +/* short ctrl */ +/* valid rateCode Preamble dot11Rate Rate */ +/* 1 Mb */ { AH_TRUE, CCK, 1000, 0x1b, 0x00, (0x80| 2), 0 }, +/* 2 Mb */ { AH_TRUE, CCK, 2000, 0x1a, 0x04, (0x80| 4), 1 }, +/* 5.5 Mb */ { AH_TRUE, CCK, 5500, 0x19, 0x04, (0x80|11), 2 }, +/* 11 Mb */ { AH_TRUE, CCK, 11000, 0x18, 0x04, (0x80|22), 3 }, +/* remove rates 6, 9 from rate ctrl */ +/* 6 Mb */ { AH_FALSE, OFDM, 6000, 0x0b, 0x00, 12, 4 }, +/* 9 Mb */ { AH_FALSE, OFDM, 9000, 0x0f, 0x00, 18, 4 }, +/* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, 24, 6 }, +/* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 6 }, +/* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, 48, 8 }, +/* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 8 }, +/* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 8 }, +/* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 8 } + }, +}; + +#undef OFDM +#undef CCK +#undef TURBO +#undef XR + +const HAL_RATE_TABLE * +ar5212GetRateTable(struct ath_hal *ah, u_int mode) +{ + HAL_RATE_TABLE *rt; + switch (mode) { + case HAL_MODE_11A: + rt = &ar5212_11a_table; + break; + case HAL_MODE_11B: + rt = &ar5212_11b_table; + break; + case HAL_MODE_11G: +#ifdef notdef + case HAL_MODE_PUREG: +#endif + rt = &ar5212_11g_table; + break; + case HAL_MODE_108A: + case HAL_MODE_TURBO: + rt = &ar5212_turboa_table; + break; + case HAL_MODE_108G: + rt = &ar5212_turbog_table; + break; + case HAL_MODE_11A_HALF_RATE: + rt = &ar5212_11a_half_table; + break; + case HAL_MODE_11A_QUARTER_RATE: + rt = &ar5212_11a_quarter_table; + break; + default: + HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid mode 0x%x\n", + __func__, mode); + return AH_NULL; + } + ath_hal_setupratetable(ah, rt); + return rt; +} +#endif /* AH_SUPPORT_AR5212 */ |
