xref: /freebsd/sys/dev/ath/ath_hal/ar5416/ar5416_phy.c (revision c697fb7f)
1 /*-
2  * SPDX-License-Identifier: ISC
3  *
4  * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
5  * Copyright (c) 2002-2008 Atheros Communications, Inc.
6  *
7  * Permission to use, copy, modify, and/or distribute this software for any
8  * purpose with or without fee is hereby granted, provided that the above
9  * copyright notice and this permission notice appear in all copies.
10  *
11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18  *
19  * $FreeBSD$
20  */
21 #include "opt_ah.h"
22 
23 #include "ah.h"
24 #include "ah_internal.h"
25 
26 #include "ar5416/ar5416.h"
27 
28 /* shorthands to compact tables for readability */
29 #define	OFDM	IEEE80211_T_OFDM
30 #define	CCK	IEEE80211_T_CCK
31 #define HT      IEEE80211_T_HT
32 
33 HAL_RATE_TABLE ar5416_11ng_table = {
34     28,  /* number of rates */
35     { 0 },
36     {
37 /*                                                 short            ctrl  */
38 /*                valid                rateCode Preamble  dot11Rate Rate */
39 /*   1 Mb */ {  AH_TRUE, CCK,     1000,    0x1b,    0x00, (0x80| 2),   0 },
40 /*   2 Mb */ {  AH_TRUE, CCK,     2000,    0x1a,    0x04, (0x80| 4),   1 },
41 /* 5.5 Mb */ {  AH_TRUE, CCK,     5500,    0x19,    0x04, (0x80|11),   2 },
42 /*  11 Mb */ {  AH_TRUE, CCK,    11000,    0x18,    0x04, (0x80|22),   3 },
43 /* Remove rates 6, 9 from rate ctrl */
44 /*   6 Mb */ { AH_FALSE, OFDM,    6000,    0x0b,    0x00,        12,   4 },
45 /*   9 Mb */ { AH_FALSE, OFDM,    9000,    0x0f,    0x00,        18,   4 },
46 /*  12 Mb */ {  AH_TRUE, OFDM,   12000,    0x0a,    0x00,        24,   6 },
47 /*  18 Mb */ {  AH_TRUE, OFDM,   18000,    0x0e,    0x00,        36,   6 },
48 /*  24 Mb */ {  AH_TRUE, OFDM,   24000,    0x09,    0x00,        48,   8 },
49 /*  36 Mb */ {  AH_TRUE, OFDM,   36000,    0x0d,    0x00,        72,   8 },
50 /*  48 Mb */ {  AH_TRUE, OFDM,   48000,    0x08,    0x00,        96,   8 },
51 /*  54 Mb */ {  AH_TRUE, OFDM,   54000,    0x0c,    0x00,       108,   8 },
52 /* 6.5 Mb */ {  AH_TRUE, HT,      6500,    0x80,    0x00,      	  0,   8 },
53 /*  13 Mb */ {  AH_TRUE, HT,  	 13000,    0x81,    0x00,      	  1,   8 },
54 /*19.5 Mb */ {  AH_TRUE, HT,     19500,    0x82,    0x00,         2,   8 },
55 /*  26 Mb */ {  AH_TRUE, HT,  	 26000,    0x83,    0x00,         3,   8 },
56 /*  39 Mb */ {  AH_TRUE, HT,  	 39000,    0x84,    0x00,         4,   8 },
57 /*  52 Mb */ {  AH_TRUE, HT,   	 52000,    0x85,    0x00,         5,   8 },
58 /*58.5 Mb */ {  AH_TRUE, HT,  	 58500,    0x86,    0x00,         6,   8 },
59 /*  65 Mb */ {  AH_TRUE, HT,  	 65000,    0x87,    0x00,         7,   8 },
60 /*  13 Mb */ {  AH_TRUE, HT,  	 13000,    0x88,    0x00,         8,   8 },
61 /*  26 Mb */ {  AH_TRUE, HT,  	 26000,    0x89,    0x00,         9,   8 },
62 /*  39 Mb */ {  AH_TRUE, HT,  	 39000,    0x8a,    0x00,        10,   8 },
63 /*  52 Mb */ {  AH_TRUE, HT,  	 52000,    0x8b,    0x00,        11,   8 },
64 /*  78 Mb */ {  AH_TRUE, HT,  	 78000,    0x8c,    0x00,        12,   8 },
65 /* 104 Mb */ {  AH_TRUE, HT, 	104000,    0x8d,    0x00,        13,   8 },
66 /* 117 Mb */ {  AH_TRUE, HT, 	117000,    0x8e,    0x00,        14,   8 },
67 /* 130 Mb */ {  AH_TRUE, HT, 	130000,    0x8f,    0x00,        15,   8 },
68 	},
69 };
70 
71 static HAL_RATE_TABLE ar5416_11na_table = {
72     24,  /* number of rates */
73     { 0 },
74     {
75 /*                                                 short            ctrl  */
76 /*                valid                rateCode Preamble  dot11Rate Rate */
77 /*   6 Mb */ {  AH_TRUE, OFDM,    6000,    0x0b,    0x00, (0x80|12),   0 },
78 /*   9 Mb */ {  AH_TRUE, OFDM,    9000,    0x0f,    0x00,        18,   0 },
79 /*  12 Mb */ {  AH_TRUE, OFDM,   12000,    0x0a,    0x00, (0x80|24),   2 },
80 /*  18 Mb */ {  AH_TRUE, OFDM,   18000,    0x0e,    0x00,        36,   2 },
81 /*  24 Mb */ {  AH_TRUE, OFDM,   24000,    0x09,    0x00, (0x80|48),   4 },
82 /*  36 Mb */ {  AH_TRUE, OFDM,   36000,    0x0d,    0x00,        72,   4 },
83 /*  48 Mb */ {  AH_TRUE, OFDM,   48000,    0x08,    0x00,        96,   4 },
84 /*  54 Mb */ {  AH_TRUE, OFDM,   54000,    0x0c,    0x00,       108,   4 },
85 /* 6.5 Mb */ {  AH_TRUE, HT,      6500,    0x80,    0x00,         0,   4 },
86 /*  13 Mb */ {  AH_TRUE, HT,  	 13000,    0x81,    0x00,         1,   4 },
87 /*19.5 Mb */ {  AH_TRUE, HT,     19500,    0x82,    0x00,         2,   4 },
88 /*  26 Mb */ {  AH_TRUE, HT,  	 26000,    0x83,    0x00,         3,   4 },
89 /*  39 Mb */ {  AH_TRUE, HT,  	 39000,    0x84,    0x00,         4,   4 },
90 /*  52 Mb */ {  AH_TRUE, HT,   	 52000,    0x85,    0x00,         5,   4 },
91 /*58.5 Mb */ {  AH_TRUE, HT,  	 58500,    0x86,    0x00,         6,   4 },
92 /*  65 Mb */ {  AH_TRUE, HT,  	 65000,    0x87,    0x00,         7,   4 },
93 /*  13 Mb */ {  AH_TRUE, HT,  	 13000,    0x88,    0x00,         8,   4 },
94 /*  26 Mb */ {  AH_TRUE, HT,  	 26000,    0x89,    0x00,         9,   4 },
95 /*  39 Mb */ {  AH_TRUE, HT,  	 39000,    0x8a,    0x00,        10,   4 },
96 /*  52 Mb */ {  AH_TRUE, HT,  	 52000,    0x8b,    0x00,        11,   4 },
97 /*  78 Mb */ {  AH_TRUE, HT,  	 78000,    0x8c,    0x00,        12,   4 },
98 /* 104 Mb */ {  AH_TRUE, HT, 	104000,    0x8d,    0x00,        13,   4 },
99 /* 117 Mb */ {  AH_TRUE, HT, 	117000,    0x8e,    0x00,        14,   4 },
100 /* 130 Mb */ {  AH_TRUE, HT, 	130000,    0x8f,    0x00,        15,   4 },
101 	},
102 };
103 
104 #undef	OFDM
105 #undef	CCK
106 #undef	HT
107 
108 const HAL_RATE_TABLE *
109 ar5416GetRateTable(struct ath_hal *ah, u_int mode)
110 {
111 	HAL_RATE_TABLE *rt;
112 	switch (mode) {
113 	case HAL_MODE_11NG_HT20:
114 	case HAL_MODE_11NG_HT40PLUS:
115 	case HAL_MODE_11NG_HT40MINUS:
116 		rt = &ar5416_11ng_table;
117 		break;
118 	case HAL_MODE_11NA_HT20:
119 	case HAL_MODE_11NA_HT40PLUS:
120 	case HAL_MODE_11NA_HT40MINUS:
121 		rt = &ar5416_11na_table;
122 		break;
123 	default:
124 		return ar5212GetRateTable(ah, mode);
125 	}
126 	ath_hal_setupratetable(ah, rt);
127 	return rt;
128 }
129