sys/dev/netif/ath/hal/ath_hal/ar5416/ar5416_phy.c

   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  * $FreeBSD: head/sys/dev/ath/ath_hal/ar5416/ar5416_phy.c 203158 2010-01-29 10:07:17Z rpaulo $
  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 },
  38 /*   2 Mb */ {  AH_TRUE, CCK,     2000,    0x1a,    0x04, (0x80| 4),   1 },
  39 /* 5.5 Mb */ {  AH_TRUE, CCK,     5500,    0x19,    0x04, (0x80|11),   2 },
  40 /*  11 Mb */ {  AH_TRUE, CCK,    11000,    0x18,    0x04, (0x80|22),   3 },
  41 /* Remove rates 6, 9 from rate ctrl */
  42 /*   6 Mb */ { AH_FALSE, OFDM,    6000,    0x0b,    0x00,        12,   4 },
  43 /*   9 Mb */ { AH_FALSE, OFDM,    9000,    0x0f,    0x00,        18,   4 },
  44 /*  12 Mb */ {  AH_TRUE, OFDM,   12000,    0x0a,    0x00,        24,   6 },
  45 /*  18 Mb */ {  AH_TRUE, OFDM,   18000,    0x0e,    0x00,        36,   6 },
  46 /*  24 Mb */ {  AH_TRUE, OFDM,   24000,    0x09,    0x00,        48,   8 },
  47 /*  36 Mb */ {  AH_TRUE, OFDM,   36000,    0x0d,    0x00,        72,   8 },
  48 /*  48 Mb */ {  AH_TRUE, OFDM,   48000,    0x08,    0x00,        96,   8 },
  49 /*  54 Mb */ {  AH_TRUE, OFDM,   54000,    0x0c,    0x00,       108,   8 },
  50 /* 6.5 Mb */ {  AH_TRUE, HT,      6500,    0x80,    0x00,         0,   8 },
  51 /*  13 Mb */ {  AH_TRUE, HT,     13000,    0x81,    0x00,         1,   8 },
  52 /*19.5 Mb */ {  AH_TRUE, HT,     19500,    0x82,    0x00,         2,   8 },
  53 /*  26 Mb */ {  AH_TRUE, HT,     26000,    0x83,    0x00,         3,   8 },
  54 /*  39 Mb */ {  AH_TRUE, HT,     39000,    0x84,    0x00,         4,   8 },
  55 /*  52 Mb */ {  AH_TRUE, HT,     52000,    0x85,    0x00,         5,   8 },
  56 /*58.5 Mb */ {  AH_TRUE, HT,     58500,    0x86,    0x00,         6,   8 },
  57 /*  65 Mb */ {  AH_TRUE, HT,     65000,    0x87,    0x00,         7,   8 },
  58 /*  13 Mb */ {  AH_TRUE, HT,     13000,    0x88,    0x00,         8,   8 },
  59 /*  26 Mb */ {  AH_TRUE, HT,     26000,    0x89,    0x00,         9,   8 },
  60 /*  39 Mb */ {  AH_TRUE, HT,     39000,    0x8a,    0x00,        10,   8 },
  61 /*  52 Mb */ {  AH_TRUE, HT,     52000,    0x8b,    0x00,        11,   8 },
  62 /*  78 Mb */ {  AH_TRUE, HT,     78000,    0x8c,    0x00,        12,   8 },
  63 /* 104 Mb */ {  AH_TRUE, HT,    104000,    0x8d,    0x00,        13,   8 },
  64 /* 117 Mb */ {  AH_TRUE, HT,    117000,    0x8e,    0x00,        14,   8 },
  65 /* 130 Mb */ {  AH_TRUE, HT,    130000,    0x8f,    0x00,        15,   8 },
  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 },
  76 /*   9 Mb */ {  AH_TRUE, OFDM,    9000,    0x0f,    0x00,        18,   0 },
  77 /*  12 Mb */ {  AH_TRUE, OFDM,   12000,    0x0a,    0x00, (0x80|24),   2 },
  78 /*  18 Mb */ {  AH_TRUE, OFDM,   18000,    0x0e,    0x00,        36,   2 },
  79 /*  24 Mb */ {  AH_TRUE, OFDM,   24000,    0x09,    0x00, (0x80|48),   4 },
  80 /*  36 Mb */ {  AH_TRUE, OFDM,   36000,    0x0d,    0x00,        72,   8 },
  81 /*  48 Mb */ {  AH_TRUE, OFDM,   48000,    0x08,    0x00,        96,   8 },
  82 /*  54 Mb */ {  AH_TRUE, OFDM,   54000,    0x0c,    0x00,       108,   8 },
  83 /* 6.5 Mb */ {  AH_TRUE, HT,      6500,    0x80,    0x00,         0,   8 },
  84 /*  13 Mb */ {  AH_TRUE, HT,     13000,    0x81,    0x00,         1,   8 },
  85 /*19.5 Mb */ {  AH_TRUE, HT,     19500,    0x82,    0x00,         2,   8 },
  86 /*  26 Mb */ {  AH_TRUE, HT,     26000,    0x83,    0x00,         3,   8 },
  87 /*  39 Mb */ {  AH_TRUE, HT,     39000,    0x84,    0x00,         4,   8 },
  88 /*  52 Mb */ {  AH_TRUE, HT,     52000,    0x85,    0x00,         5,   8 },
  89 /*58.5 Mb */ {  AH_TRUE, HT,     58500,    0x86,    0x00,         6,   8 },
  90 /*  65 Mb */ {  AH_TRUE, HT,     65000,    0x87,    0x00,         7,   8 },
  91 /*  13 Mb */ {  AH_TRUE, HT,     13000,    0x88,    0x00,         8,   8 },
  92 /*  26 Mb */ {  AH_TRUE, HT,     26000,    0x89,    0x00,         9,   8 },
  93 /*  39 Mb */ {  AH_TRUE, HT,     39000,    0x8a,    0x00,        10,   8 },
  94 /*  52 Mb */ {  AH_TRUE, HT,     52000,    0x8b,    0x00,        11,   8 },
  95 /*  78 Mb */ {  AH_TRUE, HT,     78000,    0x8c,    0x00,        12,   8 },
  96 /* 104 Mb */ {  AH_TRUE, HT,    104000,    0x8d,    0x00,        13,   8 },
  97 /* 117 Mb */ {  AH_TRUE, HT,    117000,    0x8e,    0x00,        14,   8 },
  98 /* 130 Mb */ {  AH_TRUE, HT,    130000,    0x8f,    0x00,        15,   8 },
  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 }