ar5211_phy.c revision 185377 
1/*
2 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
3 * Copyright (c) 2002-2006 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: ar5211_phy.c,v 1.3 2008/11/10 01:19:37 sam Exp $
18 */
19#include "opt_ah.h"
20
21#ifdef AH_SUPPORT_AR5211
22
23#include "ah.h"
24#include "ah_internal.h"
25
26#include "ar5211/ar5211.h"
27
28/* shorthands to compact tables for readability */
29#define	OFDM	IEEE80211_T_OFDM
30#define	CCK	IEEE80211_T_CCK
31#define	TURBO	IEEE80211_T_TURBO
32
33HAL_RATE_TABLE ar5211_11a_table = {
34	8,  /* number of rates */
35	{ 0 },
36	{
37/*                                                  short            ctrl  */
38/*                valid                 rateCode Preamble  dot11Rate Rate */
39/*   6 Mb */ {  AH_TRUE, OFDM,    6000,     0x0b,    0x00, (0x80|12),   0 },
40/*   9 Mb */ {  AH_TRUE, OFDM,    9000,     0x0f,    0x00,        18,   0 },
41/*  12 Mb */ {  AH_TRUE, OFDM,   12000,     0x0a,    0x00, (0x80|24),   2 },
42/*  18 Mb */ {  AH_TRUE, OFDM,   18000,     0x0e,    0x00,        36,   2 },
43/*  24 Mb */ {  AH_TRUE, OFDM,   24000,     0x09,    0x00, (0x80|48),   4 },
44/*  36 Mb */ {  AH_TRUE, OFDM,   36000,     0x0d,    0x00,        72,   4 },
45/*  48 Mb */ {  AH_TRUE, OFDM,   48000,     0x08,    0x00,        96,   4 },
46/*  54 Mb */ {  AH_TRUE, OFDM,   54000,     0x0c,    0x00,       108,   4 }
47	},
48};
49
50HAL_RATE_TABLE ar5211_turbo_table = {
51	8,  /* number of rates */
52	{ 0 },
53	{
54/*                                                 short            ctrl  */
55/*                valid                rateCode Preamble  dot11Rate Rate */
56/*   6 Mb */ {  AH_TRUE, TURBO,   6000,    0x0b,    0x00, (0x80|12),   0 },
57/*   9 Mb */ {  AH_TRUE, TURBO,   9000,    0x0f,    0x00,        18,   0 },
58/*  12 Mb */ {  AH_TRUE, TURBO,  12000,    0x0a,    0x00, (0x80|24),   2 },
59/*  18 Mb */ {  AH_TRUE, TURBO,  18000,    0x0e,    0x00,        36,   2 },
60/*  24 Mb */ {  AH_TRUE, TURBO,  24000,    0x09,    0x00, (0x80|48),   4 },
61/*  36 Mb */ {  AH_TRUE, TURBO,  36000,    0x0d,    0x00,        72,   4 },
62/*  48 Mb */ {  AH_TRUE, TURBO,  48000,    0x08,    0x00,        96,   4 },
63/*  54 Mb */ {  AH_TRUE, TURBO,  54000,    0x0c,    0x00,       108,   4 }
64	},
65};
66
67HAL_RATE_TABLE ar5211_11b_table = {
68	4,  /* number of rates */
69	{ 0 },
70	{
71/*                                                 short            ctrl  */
72/*                valid                rateCode Preamble  dot11Rate Rate */
73/*   1 Mb */ {  AH_TRUE,  CCK,    1000,    0x0b,    0x00, (0x80| 2),   0 },
74/*   2 Mb */ {  AH_TRUE,  CCK,    2000,    0x0a,    0x04, (0x80| 4),   1 },
75/* 5.5 Mb */ {  AH_TRUE,  CCK,    5500,    0x09,    0x04, (0x80|11),   1 },
76/*  11 Mb */ {  AH_TRUE,  CCK,   11000,    0x08,    0x04, (0x80|22),   1 }
77	},
78};
79
80#undef	OFDM
81#undef	CCK
82#undef	TURBO
83
84
85const HAL_RATE_TABLE *
86ar5211GetRateTable(struct ath_hal *ah, u_int mode)
87{
88	HAL_RATE_TABLE *rt;
89	switch (mode) {
90	case HAL_MODE_11A:
91		rt = &ar5211_11a_table;
92		break;
93	case HAL_MODE_11B:
94		rt = &ar5211_11b_table;
95		break;
96	case HAL_MODE_TURBO:
97		rt =  &ar5211_turbo_table;
98		break;
99	default:
100		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid mode 0x%x\n",
101		    __func__, mode);
102		return AH_NULL;
103	}
104	ath_hal_setupratetable(ah, rt);
105	return rt;
106}
107#endif /* AH_SUPPORT_AR5211 */
108