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