| 1 | /* |
| 2 | * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting |
| 3 | * Copyright (c) 2002-2004 Atheros Communications, Inc. |
| 4 | * |
| 5 | * Permission to use, copy, modify, and/or distribute this software for any |
| 6 | * purpose with or without fee is hereby granted, provided that the above |
| 7 | * copyright notice and this permission notice appear in all copies. |
| 8 | * |
| 9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 16 | * |
| 17 | * $Id: ar5210_phy.c,v 1.2 2008/12/11 05:30:29 alc Exp $ |
| 18 | */ |
| 19 | #include "opt_ah.h" |
| 20 | |
| 21 | #include "ah.h" |
| 22 | #include "ah_internal.h" |
| 23 | |
| 24 | #include "ar5210/ar5210.h" |
| 25 | |
| 26 | /* shorthands to compact tables for readability */ |
| 27 | #define OFDM IEEE80211_T_OFDM |
| 28 | #define TURBO IEEE80211_T_TURBO |
| 29 | |
| 30 | HAL_RATE_TABLE ar5210_11a_table = { |
| 31 | 8, /* number of rates */ |
| 32 | { 0 }, |
| 33 | { |
| 34 | /* short ctrl */ |
| 35 | /* valid rateCode Preamble dot11Rate Rate */ |
| 36 | /* 6 Mb */ { AH_TRUE, OFDM, 6000, 0x0b, 0x00, (0x80|12), 0, 0, 0 }, |
| 37 | /* 9 Mb */ { AH_TRUE, OFDM, 9000, 0x0f, 0x00, 18, 0, 0, 0 }, |
| 38 | /* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, (0x80|24), 2, 0, 0 }, |
| 39 | /* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 2, 0, 0 }, |
| 40 | /* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, (0x80|48), 4, 0, 0 }, |
| 41 | /* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 4, 0, 0 }, |
| 42 | /* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 4, 0, 0 }, |
| 43 | /* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 4, 0, 0 } |
| 44 | }, |
| 45 | }; |
| 46 | |
| 47 | HAL_RATE_TABLE ar5210_turbo_table = { |
| 48 | 8, /* number of rates */ |
| 49 | { 0 }, |
| 50 | { |
| 51 | /* short ctrl */ |
| 52 | /* valid rateCode Preamble dot11Rate Rate */ |
| 53 | /* 6 Mb */ { AH_TRUE, TURBO, 6000, 0x0b, 0x00, (0x80|12), 0, 0, 0 }, |
| 54 | /* 9 Mb */ { AH_TRUE, TURBO, 9000, 0x0f, 0x00, 18, 0, 0, 0 }, |
| 55 | /* 12 Mb */ { AH_TRUE, TURBO, 12000, 0x0a, 0x00, (0x80|24), 2, 0, 0 }, |
| 56 | /* 18 Mb */ { AH_TRUE, TURBO, 18000, 0x0e, 0x00, 36, 2, 0, 0 }, |
| 57 | /* 24 Mb */ { AH_TRUE, TURBO, 24000, 0x09, 0x00, (0x80|48), 4, 0, 0 }, |
| 58 | /* 36 Mb */ { AH_TRUE, TURBO, 36000, 0x0d, 0x00, 72, 4, 0, 0 }, |
| 59 | /* 48 Mb */ { AH_TRUE, TURBO, 48000, 0x08, 0x00, 96, 4, 0, 0 }, |
| 60 | /* 54 Mb */ { AH_TRUE, TURBO, 54000, 0x0c, 0x00, 108, 4, 0, 0 } |
| 61 | }, |
| 62 | }; |
| 63 | |
| 64 | #undef OFDM |
| 65 | #undef TURBO |
| 66 | |
| 67 | const HAL_RATE_TABLE * |
| 68 | ar5210GetRateTable(struct ath_hal *ah, u_int mode) |
| 69 | { |
| 70 | HAL_RATE_TABLE *rt; |
| 71 | switch (mode) { |
| 72 | case HAL_MODE_11A: |
| 73 | rt = &ar5210_11a_table; |
| 74 | break; |
| 75 | case HAL_MODE_TURBO: |
| 76 | rt = &ar5210_turbo_table; |
| 77 | break; |
| 78 | default: |
| 79 | HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid mode 0x%x\n" , |
| 80 | __func__, mode); |
| 81 | return AH_NULL; |
| 82 | } |
| 83 | ath_hal_setupratetable(ah, rt); |
| 84 | return rt; |
| 85 | } |
| 86 | |