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/*
* 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.
*
* $FreeBSD: release/9.1.0/sys/dev/ath/ath_hal/ar5212/ar5212_phy.c 191022 2009-04-13 21:01:08Z sam $
*/
#include "opt_ah.h"
#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
#define HALF IEEE80211_T_OFDM_HALF
#define QUART IEEE80211_T_OFDM_QUARTER
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_half_table = {
8, /* number of rates */
{ 0 },
{
/* short ctrl */
/* valid rateCode Preamble dot11Rate Rate */
/* 3 Mb */ { AH_TRUE, HALF, 3000, 0x0b, 0x00, (0x80|6), 0 },
/* 4.5 Mb */ { AH_TRUE, HALF, 4500, 0x0f, 0x00, 9, 0 },
/* 6 Mb */ { AH_TRUE, HALF, 6000, 0x0a, 0x00, (0x80|12), 2 },
/* 9 Mb */ { AH_TRUE, HALF, 9000, 0x0e, 0x00, 18, 2 },
/* 12 Mb */ { AH_TRUE, HALF, 12000, 0x09, 0x00, (0x80|24), 4 },
/* 18 Mb */ { AH_TRUE, HALF, 18000, 0x0d, 0x00, 36, 4 },
/* 24 Mb */ { AH_TRUE, HALF, 24000, 0x08, 0x00, 48, 4 },
/* 27 Mb */ { AH_TRUE, HALF, 27000, 0x0c, 0x00, 54, 4 }
},
};
HAL_RATE_TABLE ar5212_quarter_table = {
8, /* number of rates */
{ 0 },
{
/* short ctrl */
/* valid rateCode Preamble dot11Rate Rate */
/* 1.5 Mb */ { AH_TRUE, QUART, 1500, 0x0b, 0x00, (0x80|3), 0 },
/* 2 Mb */ { AH_TRUE, QUART, 2250, 0x0f, 0x00, 4, 0 },
/* 3 Mb */ { AH_TRUE, QUART, 3000, 0x0a, 0x00, (0x80|6), 2 },
/* 4.5 Mb */ { AH_TRUE, QUART, 4500, 0x0e, 0x00, 9, 2 },
/* 6 Mb */ { AH_TRUE, QUART, 6000, 0x09, 0x00, (0x80|12), 4 },
/* 9 Mb */ { AH_TRUE, QUART, 9000, 0x0d, 0x00, 18, 4 },
/* 12 Mb */ { AH_TRUE, QUART, 12000, 0x08, 0x00, 24, 4 },
/*13.5 Mb */ { AH_TRUE, QUART, 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, 12000, 0x0b, 0x00, (0x80|12), 0 },
/* 12 Mb */ { AH_TRUE, TURBO, 24000, 0x0a, 0x00, (0x80|24), 1 },
/* 18 Mb */ { AH_TRUE, TURBO, 36000, 0x0e, 0x00, 36, 1 },
/* 24 Mb */ { AH_TRUE, TURBO, 48000, 0x09, 0x00, (0x80|48), 2 },
/* 36 Mb */ { AH_TRUE, TURBO, 72000, 0x0d, 0x00, 72, 2 },
/* 48 Mb */ { AH_TRUE, TURBO, 96000, 0x08, 0x00, 96, 2 },
/* 54 Mb */ { AH_TRUE, TURBO, 108000, 0x0c, 0x00, 108, 2 }
},
};
HAL_RATE_TABLE ar5212_turboa_table = {
8, /* number of rates */
{ 0 },
{
/* short ctrl */
/* valid rateCode Preamble dot11Rate Rate */
/* 6 Mb */ { AH_TRUE, TURBO, 12000, 0x0b, 0x00, (0x80|12), 0 },
/* 9 Mb */ { AH_TRUE, TURBO, 18000, 0x0f, 0x00, 18, 0 },
/* 12 Mb */ { AH_TRUE, TURBO, 24000, 0x0a, 0x00, (0x80|24), 2 },
/* 18 Mb */ { AH_TRUE, TURBO, 36000, 0x0e, 0x00, 36, 2 },
/* 24 Mb */ { AH_TRUE, TURBO, 48000, 0x09, 0x00, (0x80|48), 4 },
/* 36 Mb */ { AH_TRUE, TURBO, 72000, 0x0d, 0x00, 72, 4 },
/* 48 Mb */ { AH_TRUE, TURBO, 96000, 0x08, 0x00, 96, 4 },
/* 54 Mb */ { AH_TRUE, TURBO, 108000, 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:
case HAL_MODE_11G_HALF_RATE:
rt = &ar5212_half_table;
break;
case HAL_MODE_11A_QUARTER_RATE:
case HAL_MODE_11G_QUARTER_RATE:
rt = &ar5212_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;
}