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 * $Id: ar5416_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 "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
31HAL_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, 0, 0 },
38/* 2 Mb */ { AH_TRUE, CCK, 2000, 0x1a, 0x04, (0x80| 4), 1, 0, 0 },
39/* 5.5 Mb */ { AH_TRUE, CCK, 5500, 0x19, 0x04, (0x80|11), 2, 0, 0 },
40/* 11 Mb */ { AH_TRUE, CCK, 11000, 0x18, 0x04, (0x80|22), 3, 0, 0 },
41/* Remove rates 6, 9 from rate ctrl */
42/* 6 Mb */ { AH_FALSE, OFDM, 6000, 0x0b, 0x00, 12, 4, 0, 0 },
43/* 9 Mb */ { AH_FALSE, OFDM, 9000, 0x0f, 0x00, 18, 4, 0, 0 },
44/* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, 24, 6, 0, 0 },
45/* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 6, 0, 0 },
46/* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, 48, 8, 0, 0 },
47/* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 8, 0, 0 },
48/* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 8, 0, 0 },
49/* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 8, 0, 0 },
50/* 6.5 Mb */ { AH_TRUE, HT, 6500, 0x80, 0x00, 0, 8, 0, 0 },
51/* 13 Mb */ { AH_TRUE, HT, 13000, 0x81, 0x00, 1, 8, 0, 0 },
52/*19.5 Mb */ { AH_TRUE, HT, 19500, 0x82, 0x00, 2, 8, 0, 0 },
53/* 26 Mb */ { AH_TRUE, HT, 26000, 0x83, 0x00, 3, 8, 0, 0 },
54/* 39 Mb */ { AH_TRUE, HT, 39000, 0x84, 0x00, 4, 8, 0, 0 },
55/* 52 Mb */ { AH_TRUE, HT, 52000, 0x85, 0x00, 5, 8, 0, 0 },
56/*58.5 Mb */ { AH_TRUE, HT, 58500, 0x86, 0x00, 6, 8, 0, 0 },
57/* 65 Mb */ { AH_TRUE, HT, 65000, 0x87, 0x00, 7, 8, 0, 0 },
58/* 13 Mb */ { AH_TRUE, HT, 13000, 0x88, 0x00, 8, 8, 0, 0 },
59/* 26 Mb */ { AH_TRUE, HT, 26000, 0x89, 0x00, 9, 8, 0, 0 },
60/* 39 Mb */ { AH_TRUE, HT, 39000, 0x8a, 0x00, 10, 8, 0, 0 },
61/* 52 Mb */ { AH_TRUE, HT, 52000, 0x8b, 0x00, 11, 8, 0, 0 },
62/* 78 Mb */ { AH_TRUE, HT, 78000, 0x8c, 0x00, 12, 8, 0, 0 },
63/* 104 Mb */ { AH_TRUE, HT, 104000, 0x8d, 0x00, 13, 8, 0, 0 },
64/* 117 Mb */ { AH_TRUE, HT, 117000, 0x8e, 0x00, 14, 8, 0, 0 },
65/* 130 Mb */ { AH_TRUE, HT, 130000, 0x8f, 0x00, 15, 8, 0, 0 },
66 },
67};
68
69static 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, 0, 0 },
76/* 9 Mb */ { AH_TRUE, OFDM, 9000, 0x0f, 0x00, 18, 0, 0, 0 },
77/* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, (0x80|24), 2, 0, 0 },
78/* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 2, 0, 0 },
79/* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, (0x80|48), 4, 0, 0 },
80/* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 8, 0, 0 },
81/* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 8, 0, 0 },
82/* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 8, 0, 0 },
83/* 6.5 Mb */ { AH_TRUE, HT, 6500, 0x80, 0x00, 0, 8, 0, 0 },
84/* 13 Mb */ { AH_TRUE, HT, 13000, 0x81, 0x00, 1, 8, 0, 0 },
85/*19.5 Mb */ { AH_TRUE, HT, 19500, 0x82, 0x00, 2, 8, 0, 0 },
86/* 26 Mb */ { AH_TRUE, HT, 26000, 0x83, 0x00, 3, 8, 0, 0 },
87/* 39 Mb */ { AH_TRUE, HT, 39000, 0x84, 0x00, 4, 8, 0, 0 },
88/* 52 Mb */ { AH_TRUE, HT, 52000, 0x85, 0x00, 5, 8, 0, 0 },
89/*58.5 Mb */ { AH_TRUE, HT, 58500, 0x86, 0x00, 6, 8, 0, 0 },
90/* 65 Mb */ { AH_TRUE, HT, 65000, 0x87, 0x00, 7, 8, 0, 0 },
91/* 13 Mb */ { AH_TRUE, HT, 13000, 0x88, 0x00, 8, 8, 0, 0 },
92/* 26 Mb */ { AH_TRUE, HT, 26000, 0x89, 0x00, 9, 8, 0, 0 },
93/* 39 Mb */ { AH_TRUE, HT, 39000, 0x8a, 0x00, 10, 8, 0, 0 },
94/* 52 Mb */ { AH_TRUE, HT, 52000, 0x8b, 0x00, 11, 8, 0, 0 },
95/* 78 Mb */ { AH_TRUE, HT, 78000, 0x8c, 0x00, 12, 8, 0, 0 },
96/* 104 Mb */ { AH_TRUE, HT, 104000, 0x8d, 0x00, 13, 8, 0, 0 },
97/* 117 Mb */ { AH_TRUE, HT, 117000, 0x8e, 0x00, 14, 8, 0, 0 },
98/* 130 Mb */ { AH_TRUE, HT, 130000, 0x8f, 0x00, 15, 8, 0, 0 },
99 },
100};
101
102#undef OFDM
103#undef CCK
104#undef HT
105
106const HAL_RATE_TABLE *
107ar5416GetRateTable(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}
127