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: ar5210_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 "ar5210/ar5210.h" |
25 | |
26 | /* shorthands to compact tables for readability */ |
27 | #define OFDM IEEE80211_T_OFDM |
28 | #define TURBO IEEE80211_T_TURBO |
29 | |
30 | HAL_RATE_TABLE ar5210_11a_table = { |
31 | 8, /* number of rates */ |
32 | { 0 }, |
33 | { |
34 | /* short ctrl */ |
35 | /* valid rateCode Preamble dot11Rate Rate */ |
36 | /* 6 Mb */ { AH_TRUE, OFDM, 6000, 0x0b, 0x00, (0x80|12), 0, 0, 0 }, |
37 | /* 9 Mb */ { AH_TRUE, OFDM, 9000, 0x0f, 0x00, 18, 0, 0, 0 }, |
38 | /* 12 Mb */ { AH_TRUE, OFDM, 12000, 0x0a, 0x00, (0x80|24), 2, 0, 0 }, |
39 | /* 18 Mb */ { AH_TRUE, OFDM, 18000, 0x0e, 0x00, 36, 2, 0, 0 }, |
40 | /* 24 Mb */ { AH_TRUE, OFDM, 24000, 0x09, 0x00, (0x80|48), 4, 0, 0 }, |
41 | /* 36 Mb */ { AH_TRUE, OFDM, 36000, 0x0d, 0x00, 72, 4, 0, 0 }, |
42 | /* 48 Mb */ { AH_TRUE, OFDM, 48000, 0x08, 0x00, 96, 4, 0, 0 }, |
43 | /* 54 Mb */ { AH_TRUE, OFDM, 54000, 0x0c, 0x00, 108, 4, 0, 0 } |
44 | }, |
45 | }; |
46 | |
47 | HAL_RATE_TABLE ar5210_turbo_table = { |
48 | 8, /* number of rates */ |
49 | { 0 }, |
50 | { |
51 | /* short ctrl */ |
52 | /* valid rateCode Preamble dot11Rate Rate */ |
53 | /* 6 Mb */ { AH_TRUE, TURBO, 6000, 0x0b, 0x00, (0x80|12), 0, 0, 0 }, |
54 | /* 9 Mb */ { AH_TRUE, TURBO, 9000, 0x0f, 0x00, 18, 0, 0, 0 }, |
55 | /* 12 Mb */ { AH_TRUE, TURBO, 12000, 0x0a, 0x00, (0x80|24), 2, 0, 0 }, |
56 | /* 18 Mb */ { AH_TRUE, TURBO, 18000, 0x0e, 0x00, 36, 2, 0, 0 }, |
57 | /* 24 Mb */ { AH_TRUE, TURBO, 24000, 0x09, 0x00, (0x80|48), 4, 0, 0 }, |
58 | /* 36 Mb */ { AH_TRUE, TURBO, 36000, 0x0d, 0x00, 72, 4, 0, 0 }, |
59 | /* 48 Mb */ { AH_TRUE, TURBO, 48000, 0x08, 0x00, 96, 4, 0, 0 }, |
60 | /* 54 Mb */ { AH_TRUE, TURBO, 54000, 0x0c, 0x00, 108, 4, 0, 0 } |
61 | }, |
62 | }; |
63 | |
64 | #undef OFDM |
65 | #undef TURBO |
66 | |
67 | const HAL_RATE_TABLE * |
68 | ar5210GetRateTable(struct ath_hal *ah, u_int mode) |
69 | { |
70 | HAL_RATE_TABLE *rt; |
71 | switch (mode) { |
72 | case HAL_MODE_11A: |
73 | rt = &ar5210_11a_table; |
74 | break; |
75 | case HAL_MODE_TURBO: |
76 | rt = &ar5210_turbo_table; |
77 | break; |
78 | default: |
79 | HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid mode 0x%x\n" , |
80 | __func__, mode); |
81 | return AH_NULL; |
82 | } |
83 | ath_hal_setupratetable(ah, rt); |
84 | return rt; |
85 | } |
86 | |