workbench/devs/networks/atheros5000/hal/ar5210/ar5210_phy.c

   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  * $Id$
  18  */
  19 #include "opt_ah.h"
  20
  21 #ifdef AH_SUPPORT_AR5210
  22
  23 #include "ah.h"
  24 #include "ah_internal.h"
  25
  26 #include "ar5210/ar5210.h"
  27
  28 /* shorthands to compact tables for readability */
  29 #define OFDM    IEEE80211_T_OFDM
  30 #define TURBO   IEEE80211_T_TURBO
  31
  32 HAL_RATE_TABLE ar5210_11a_table = {
  33         8,  /* number of rates */
  34         { 0 },
  35         {
  36 /*                                                  short            ctrl  */
  37 /*                valid                 rateCode Preamble  dot11Rate Rate */
  38 /*   6 Mb */ {  AH_TRUE, OFDM,    6000,     0x0b,    0x00, (0x80|12),   0 },
  39 /*   9 Mb */ {  AH_TRUE, OFDM,    9000,     0x0f,    0x00,        18,   0 },
  40 /*  12 Mb */ {  AH_TRUE, OFDM,   12000,     0x0a,    0x00, (0x80|24),   2 },
  41 /*  18 Mb */ {  AH_TRUE, OFDM,   18000,     0x0e,    0x00,        36,   2 },
  42 /*  24 Mb */ {  AH_TRUE, OFDM,   24000,     0x09,    0x00, (0x80|48),   4 },
  43 /*  36 Mb */ {  AH_TRUE, OFDM,   36000,     0x0d,    0x00,        72,   4 },
  44 /*  48 Mb */ {  AH_TRUE, OFDM,   48000,     0x08,    0x00,        96,   4 },
  45 /*  54 Mb */ {  AH_TRUE, OFDM,   54000,     0x0c,    0x00,       108,   4 }
  46         },
  47 };
  48
  49 HAL_RATE_TABLE ar5210_turbo_table = {
  50         8,  /* number of rates */
  51         { 0 },
  52         {
  53 /*                                                 short            ctrl  */
  54 /*                valid                rateCode Preamble  dot11Rate Rate */
  55 /*   6 Mb */ {  AH_TRUE, TURBO,   6000,    0x0b,    0x00, (0x80|12),   0 },
  56 /*   9 Mb */ {  AH_TRUE, TURBO,   9000,    0x0f,    0x00,        18,   0 },
  57 /*  12 Mb */ {  AH_TRUE, TURBO,  12000,    0x0a,    0x00, (0x80|24),   2 },
  58 /*  18 Mb */ {  AH_TRUE, TURBO,  18000,    0x0e,    0x00,        36,   2 },
  59 /*  24 Mb */ {  AH_TRUE, TURBO,  24000,    0x09,    0x00, (0x80|48),   4 },
  60 /*  36 Mb */ {  AH_TRUE, TURBO,  36000,    0x0d,    0x00,        72,   4 },
  61 /*  48 Mb */ {  AH_TRUE, TURBO,  48000,    0x08,    0x00,        96,   4 },
  62 /*  54 Mb */ {  AH_TRUE, TURBO,  54000,    0x0c,    0x00,       108,   4 }
  63         },
  64 };
  65
  66 #undef  OFDM
  67 #undef  TURBO
  68
  69 const HAL_RATE_TABLE *
  70 ar5210GetRateTable(struct ath_hal *ah, u_int mode)
  71 {
  72         HAL_RATE_TABLE *rt;
  73         switch (mode) {
  74         case HAL_MODE_11A:
  75                 rt = &ar5210_11a_table;
  76                 break;
  77         case HAL_MODE_TURBO:
  78                 rt =  &ar5210_turbo_table;
  79                 break;
  80         default:
  81                 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid mode 0x%x\n",
  82                     __func__, mode);
  83                 return AH_NULL;
  84         }
  85         ath_hal_setupratetable(ah, rt);
  86         return rt;
  87 }
  88 #endif /* AH_SUPPORT_AR5210 */