| 1 | /* |
| 2 | * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting |
| 3 | * Copyright (c) 2002-2008 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: ar5416_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 "ar5416/ar5416.h" |
| 25 | |
| 26 | /* shorthands to compact tables for readability */ |
| 27 | #define OFDM IEEE80211_T_OFDM |
| 28 | #define CCK IEEE80211_T_CCK |
| 29 | #define HT IEEE80211_T_HT |
| 30 | |
| 31 | HAL_RATE_TABLE ar5416_11ng_table = { |
| 32 | 28, /* number of rates */ |
| 33 | { 0 }, |
| 34 | { |
| 35 | /* short ctrl */ |
| 36 | /* valid rateCode Preamble dot11Rate Rate */ |
| 37 | /* 1 Mb */ { AH_TRUE, CCK, 1000, 0x1b, 0x00, (0x80| 2), 0, 0, 0 }, |
| 38 | /* 2 Mb */ { AH_TRUE, CCK, 2000, 0x1a, 0x04, (0x80| 4), 1, 0, 0 }, |
| 39 | /* 5.5 Mb */ { AH_TRUE, CCK, 5500, 0x19, 0x04, (0x80|11), 2, 0, 0 }, |
| 40 | /* 11 Mb */ { AH_TRUE, CCK, 11000, 0x18, 0x04, (0x80|22), 3, 0, 0 }, |
| 41 | /* Remove rates 6, 9 from rate ctrl */ |
| 42 | /* 6 Mb */ { AH_FALSE, OFDM, 6000, 0x0b, 0x00, 12, 4, 0, 0 }, |
| 43 | /* 9 Mb */ { AH_FALSE, OFDM, 9000, 0x0f, 0x00, 18, 4, 0, 0 }, |
| 44 | /* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, 24, 6, 0, 0 }, |
| 45 | /* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 6, 0, 0 }, |
| 46 | /* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, 48, 8, 0, 0 }, |
| 47 | /* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 8, 0, 0 }, |
| 48 | /* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 8, 0, 0 }, |
| 49 | /* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 8, 0, 0 }, |
| 50 | /* 6.5 Mb */ { AH_TRUE, HT, 6500, 0x80, 0x00, 0, 8, 0, 0 }, |
| 51 | /* 13 Mb */ { AH_TRUE, HT, 13000, 0x81, 0x00, 1, 8, 0, 0 }, |
| 52 | /*19.5 Mb */ { AH_TRUE, HT, 19500, 0x82, 0x00, 2, 8, 0, 0 }, |
| 53 | /* 26 Mb */ { AH_TRUE, HT, 26000, 0x83, 0x00, 3, 8, 0, 0 }, |
| 54 | /* 39 Mb */ { AH_TRUE, HT, 39000, 0x84, 0x00, 4, 8, 0, 0 }, |
| 55 | /* 52 Mb */ { AH_TRUE, HT, 52000, 0x85, 0x00, 5, 8, 0, 0 }, |
| 56 | /*58.5 Mb */ { AH_TRUE, HT, 58500, 0x86, 0x00, 6, 8, 0, 0 }, |
| 57 | /* 65 Mb */ { AH_TRUE, HT, 65000, 0x87, 0x00, 7, 8, 0, 0 }, |
| 58 | /* 13 Mb */ { AH_TRUE, HT, 13000, 0x88, 0x00, 8, 8, 0, 0 }, |
| 59 | /* 26 Mb */ { AH_TRUE, HT, 26000, 0x89, 0x00, 9, 8, 0, 0 }, |
| 60 | /* 39 Mb */ { AH_TRUE, HT, 39000, 0x8a, 0x00, 10, 8, 0, 0 }, |
| 61 | /* 52 Mb */ { AH_TRUE, HT, 52000, 0x8b, 0x00, 11, 8, 0, 0 }, |
| 62 | /* 78 Mb */ { AH_TRUE, HT, 78000, 0x8c, 0x00, 12, 8, 0, 0 }, |
| 63 | /* 104 Mb */ { AH_TRUE, HT, 104000, 0x8d, 0x00, 13, 8, 0, 0 }, |
| 64 | /* 117 Mb */ { AH_TRUE, HT, 117000, 0x8e, 0x00, 14, 8, 0, 0 }, |
| 65 | /* 130 Mb */ { AH_TRUE, HT, 130000, 0x8f, 0x00, 15, 8, 0, 0 }, |
| 66 | }, |
| 67 | }; |
| 68 | |
| 69 | static HAL_RATE_TABLE ar5416_11na_table = { |
| 70 | 24, /* number of rates */ |
| 71 | { 0 }, |
| 72 | { |
| 73 | /* short ctrl */ |
| 74 | /* valid rateCode Preamble dot11Rate Rate */ |
| 75 | /* 6 Mb */ { AH_TRUE, OFDM, 6000, 0x0b, 0x00, (0x80|12), 0, 0, 0 }, |
| 76 | /* 9 Mb */ { AH_TRUE, OFDM, 9000, 0x0f, 0x00, 18, 0, 0, 0 }, |
| 77 | /* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, (0x80|24), 2, 0, 0 }, |
| 78 | /* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 2, 0, 0 }, |
| 79 | /* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, (0x80|48), 4, 0, 0 }, |
| 80 | /* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 8, 0, 0 }, |
| 81 | /* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 8, 0, 0 }, |
| 82 | /* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 8, 0, 0 }, |
| 83 | /* 6.5 Mb */ { AH_TRUE, HT, 6500, 0x80, 0x00, 0, 8, 0, 0 }, |
| 84 | /* 13 Mb */ { AH_TRUE, HT, 13000, 0x81, 0x00, 1, 8, 0, 0 }, |
| 85 | /*19.5 Mb */ { AH_TRUE, HT, 19500, 0x82, 0x00, 2, 8, 0, 0 }, |
| 86 | /* 26 Mb */ { AH_TRUE, HT, 26000, 0x83, 0x00, 3, 8, 0, 0 }, |
| 87 | /* 39 Mb */ { AH_TRUE, HT, 39000, 0x84, 0x00, 4, 8, 0, 0 }, |
| 88 | /* 52 Mb */ { AH_TRUE, HT, 52000, 0x85, 0x00, 5, 8, 0, 0 }, |
| 89 | /*58.5 Mb */ { AH_TRUE, HT, 58500, 0x86, 0x00, 6, 8, 0, 0 }, |
| 90 | /* 65 Mb */ { AH_TRUE, HT, 65000, 0x87, 0x00, 7, 8, 0, 0 }, |
| 91 | /* 13 Mb */ { AH_TRUE, HT, 13000, 0x88, 0x00, 8, 8, 0, 0 }, |
| 92 | /* 26 Mb */ { AH_TRUE, HT, 26000, 0x89, 0x00, 9, 8, 0, 0 }, |
| 93 | /* 39 Mb */ { AH_TRUE, HT, 39000, 0x8a, 0x00, 10, 8, 0, 0 }, |
| 94 | /* 52 Mb */ { AH_TRUE, HT, 52000, 0x8b, 0x00, 11, 8, 0, 0 }, |
| 95 | /* 78 Mb */ { AH_TRUE, HT, 78000, 0x8c, 0x00, 12, 8, 0, 0 }, |
| 96 | /* 104 Mb */ { AH_TRUE, HT, 104000, 0x8d, 0x00, 13, 8, 0, 0 }, |
| 97 | /* 117 Mb */ { AH_TRUE, HT, 117000, 0x8e, 0x00, 14, 8, 0, 0 }, |
| 98 | /* 130 Mb */ { AH_TRUE, HT, 130000, 0x8f, 0x00, 15, 8, 0, 0 }, |
| 99 | }, |
| 100 | }; |
| 101 | |
| 102 | #undef OFDM |
| 103 | #undef CCK |
| 104 | #undef HT |
| 105 | |
| 106 | const HAL_RATE_TABLE * |
| 107 | ar5416GetRateTable(struct ath_hal *ah, u_int mode) |
| 108 | { |
| 109 | HAL_RATE_TABLE *rt; |
| 110 | switch (mode) { |
| 111 | case HAL_MODE_11NG_HT20: |
| 112 | case HAL_MODE_11NG_HT40PLUS: |
| 113 | case HAL_MODE_11NG_HT40MINUS: |
| 114 | rt = &ar5416_11ng_table; |
| 115 | break; |
| 116 | case HAL_MODE_11NA_HT20: |
| 117 | case HAL_MODE_11NA_HT40PLUS: |
| 118 | case HAL_MODE_11NA_HT40MINUS: |
| 119 | rt = &ar5416_11na_table; |
| 120 | break; |
| 121 | default: |
| 122 | return ar5212GetRateTable(ah, mode); |
| 123 | } |
| 124 | ath_hal_setupratetable(ah, rt); |
| 125 | return rt; |
| 126 | } |
| 127 | |