xref: /freebsd/sys/dev/ath/ath_hal/ar5212/ar5212_phy.c (revision 95ee2897e98f5d444f26ed2334cc7c439f9c16c6)
1*6e778a7eSPedro F. Giffuni /*-
2*6e778a7eSPedro F. Giffuni  * SPDX-License-Identifier: ISC
3*6e778a7eSPedro F. Giffuni  *
414779705SSam Leffler  * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
514779705SSam Leffler  * Copyright (c) 2002-2008 Atheros Communications, Inc.
614779705SSam Leffler  *
714779705SSam Leffler  * Permission to use, copy, modify, and/or distribute this software for any
814779705SSam Leffler  * purpose with or without fee is hereby granted, provided that the above
914779705SSam Leffler  * copyright notice and this permission notice appear in all copies.
1014779705SSam Leffler  *
1114779705SSam Leffler  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
1214779705SSam Leffler  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1314779705SSam Leffler  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
1414779705SSam Leffler  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
1514779705SSam Leffler  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
1614779705SSam Leffler  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
1714779705SSam Leffler  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1814779705SSam Leffler  */
1914779705SSam Leffler #include "opt_ah.h"
2014779705SSam Leffler 
2114779705SSam Leffler #include "ah.h"
2214779705SSam Leffler #include "ah_internal.h"
2314779705SSam Leffler 
2414779705SSam Leffler #include "ar5212/ar5212.h"
2514779705SSam Leffler 
2614779705SSam Leffler /* shorthands to compact tables for readability */
2714779705SSam Leffler #define	OFDM	IEEE80211_T_OFDM
2814779705SSam Leffler #define	CCK	IEEE80211_T_CCK
2914779705SSam Leffler #define	TURBO	IEEE80211_T_TURBO
3017e45e19SSam Leffler #define	HALF	IEEE80211_T_OFDM_HALF
3117e45e19SSam Leffler #define	QUART	IEEE80211_T_OFDM_QUARTER
3214779705SSam Leffler 
3314779705SSam Leffler HAL_RATE_TABLE ar5212_11a_table = {
3414779705SSam Leffler 	8,  /* number of rates */
3514779705SSam Leffler 	{ 0 },
3614779705SSam Leffler 	{
3714779705SSam Leffler /*                                                  short            ctrl  */
3814779705SSam Leffler /*                valid                 rateCode Preamble  dot11Rate Rate */
3914779705SSam Leffler /*   6 Mb */ {  AH_TRUE, OFDM,    6000,     0x0b,    0x00, (0x80|12),   0 },
4014779705SSam Leffler /*   9 Mb */ {  AH_TRUE, OFDM,    9000,     0x0f,    0x00,        18,   0 },
4114779705SSam Leffler /*  12 Mb */ {  AH_TRUE, OFDM,   12000,     0x0a,    0x00, (0x80|24),   2 },
4214779705SSam Leffler /*  18 Mb */ {  AH_TRUE, OFDM,   18000,     0x0e,    0x00,        36,   2 },
4314779705SSam Leffler /*  24 Mb */ {  AH_TRUE, OFDM,   24000,     0x09,    0x00, (0x80|48),   4 },
4414779705SSam Leffler /*  36 Mb */ {  AH_TRUE, OFDM,   36000,     0x0d,    0x00,        72,   4 },
4514779705SSam Leffler /*  48 Mb */ {  AH_TRUE, OFDM,   48000,     0x08,    0x00,        96,   4 },
4614779705SSam Leffler /*  54 Mb */ {  AH_TRUE, OFDM,   54000,     0x0c,    0x00,       108,   4 }
4714779705SSam Leffler 	},
4814779705SSam Leffler };
4914779705SSam Leffler 
5014779705SSam Leffler HAL_RATE_TABLE ar5212_half_table = {
5114779705SSam Leffler 	8,  /* number of rates */
5214779705SSam Leffler 	{ 0 },
5314779705SSam Leffler 	{
5414779705SSam Leffler /*                                                  short            ctrl  */
5514779705SSam Leffler /*                valid                 rateCode Preamble  dot11Rate Rate */
5617e45e19SSam Leffler /*   3 Mb */ {  AH_TRUE, HALF,    3000,     0x0b,    0x00, (0x80|6),   0 },
5717e45e19SSam Leffler /* 4.5 Mb */ {  AH_TRUE, HALF,    4500,     0x0f,    0x00,        9,   0 },
5817e45e19SSam Leffler /*   6 Mb */ {  AH_TRUE, HALF,    6000,     0x0a,    0x00, (0x80|12),  2 },
5917e45e19SSam Leffler /*   9 Mb */ {  AH_TRUE, HALF,    9000,     0x0e,    0x00,       18,   2 },
6017e45e19SSam Leffler /*  12 Mb */ {  AH_TRUE, HALF,   12000,     0x09,    0x00, (0x80|24),  4 },
6117e45e19SSam Leffler /*  18 Mb */ {  AH_TRUE, HALF,   18000,     0x0d,    0x00,       36,   4 },
6217e45e19SSam Leffler /*  24 Mb */ {  AH_TRUE, HALF,   24000,     0x08,    0x00,       48,   4 },
6317e45e19SSam Leffler /*  27 Mb */ {  AH_TRUE, HALF,   27000,     0x0c,    0x00,       54,   4 }
6414779705SSam Leffler 	},
6514779705SSam Leffler };
6614779705SSam Leffler 
6714779705SSam Leffler HAL_RATE_TABLE ar5212_quarter_table = {
6814779705SSam Leffler 	8,  /* number of rates */
6914779705SSam Leffler 	{ 0 },
7014779705SSam Leffler 	{
7114779705SSam Leffler /*                                                  short            ctrl  */
7214779705SSam Leffler /*                valid                 rateCode Preamble  dot11Rate Rate */
7317e45e19SSam Leffler /* 1.5 Mb */ {  AH_TRUE, QUART,   1500,     0x0b,    0x00, (0x80|3),   0 },
7417e45e19SSam Leffler /*   2 Mb */ {  AH_TRUE, QUART,   2250,     0x0f,    0x00,        4,   0 },
7517e45e19SSam Leffler /*   3 Mb */ {  AH_TRUE, QUART,   3000,     0x0a,    0x00, (0x80|6),   2 },
7617e45e19SSam Leffler /* 4.5 Mb */ {  AH_TRUE, QUART,   4500,     0x0e,    0x00,        9,   2 },
7717e45e19SSam Leffler /*   6 Mb */ {  AH_TRUE, QUART,   6000,     0x09,    0x00, (0x80|12),  4 },
7817e45e19SSam Leffler /*   9 Mb */ {  AH_TRUE, QUART,   9000,     0x0d,    0x00,       18,   4 },
7917e45e19SSam Leffler /*  12 Mb */ {  AH_TRUE, QUART,  12000,     0x08,    0x00,       24,   4 },
8017e45e19SSam Leffler /*13.5 Mb */ {  AH_TRUE, QUART,  13500,     0x0c,    0x00,       27,   4 }
8114779705SSam Leffler 	},
8214779705SSam Leffler };
8314779705SSam Leffler 
8414779705SSam Leffler HAL_RATE_TABLE ar5212_turbog_table = {
8514779705SSam Leffler 	7,  /* number of rates */
8614779705SSam Leffler 	{ 0 },
8714779705SSam Leffler 	{
8814779705SSam Leffler /*                                                 short            ctrl  */
8914779705SSam Leffler /*                valid                rateCode Preamble  dot11Rate Rate */
9019ea87c4SSam Leffler /*   6 Mb */ {  AH_TRUE, TURBO,  12000,    0x0b,    0x00, (0x80|12),   0 },
9119ea87c4SSam Leffler /*  12 Mb */ {  AH_TRUE, TURBO,  24000,    0x0a,    0x00, (0x80|24),   1 },
9219ea87c4SSam Leffler /*  18 Mb */ {  AH_TRUE, TURBO,  36000,    0x0e,    0x00,        36,   1 },
9319ea87c4SSam Leffler /*  24 Mb */ {  AH_TRUE, TURBO,  48000,    0x09,    0x00, (0x80|48),   2 },
9419ea87c4SSam Leffler /*  36 Mb */ {  AH_TRUE, TURBO,  72000,    0x0d,    0x00,        72,   2 },
9519ea87c4SSam Leffler /*  48 Mb */ {  AH_TRUE, TURBO,  96000,    0x08,    0x00,        96,   2 },
9619ea87c4SSam Leffler /*  54 Mb */ {  AH_TRUE, TURBO, 108000,    0x0c,    0x00,       108,   2 }
9714779705SSam Leffler 	},
9814779705SSam Leffler };
9914779705SSam Leffler 
10014779705SSam Leffler HAL_RATE_TABLE ar5212_turboa_table = {
10114779705SSam Leffler 	8,  /* number of rates */
10214779705SSam Leffler 	{ 0 },
10314779705SSam Leffler 	{
10414779705SSam Leffler /*                                                 short            ctrl  */
10514779705SSam Leffler /*                valid                rateCode Preamble  dot11Rate Rate */
10619ea87c4SSam Leffler /*   6 Mb */ {  AH_TRUE, TURBO,  12000,    0x0b,    0x00, (0x80|12),   0 },
10719ea87c4SSam Leffler /*   9 Mb */ {  AH_TRUE, TURBO,  18000,    0x0f,    0x00,        18,   0 },
10819ea87c4SSam Leffler /*  12 Mb */ {  AH_TRUE, TURBO,  24000,    0x0a,    0x00, (0x80|24),   2 },
10919ea87c4SSam Leffler /*  18 Mb */ {  AH_TRUE, TURBO,  36000,    0x0e,    0x00,        36,   2 },
11019ea87c4SSam Leffler /*  24 Mb */ {  AH_TRUE, TURBO,  48000,    0x09,    0x00, (0x80|48),   4 },
11119ea87c4SSam Leffler /*  36 Mb */ {  AH_TRUE, TURBO,  72000,    0x0d,    0x00,        72,   4 },
11219ea87c4SSam Leffler /*  48 Mb */ {  AH_TRUE, TURBO,  96000,    0x08,    0x00,        96,   4 },
11319ea87c4SSam Leffler /*  54 Mb */ {  AH_TRUE, TURBO, 108000,    0x0c,    0x00,       108,   4 }
11414779705SSam Leffler 	},
11514779705SSam Leffler };
11614779705SSam Leffler 
11714779705SSam Leffler HAL_RATE_TABLE ar5212_11b_table = {
11814779705SSam Leffler 	4,  /* number of rates */
11914779705SSam Leffler 	{ 0 },
12014779705SSam Leffler 	{
12114779705SSam Leffler /*                                                 short            ctrl  */
12214779705SSam Leffler /*                valid                rateCode Preamble  dot11Rate Rate */
12314779705SSam Leffler /*   1 Mb */ {  AH_TRUE,  CCK,    1000,    0x1b,    0x00, (0x80| 2),   0 },
12414779705SSam Leffler /*   2 Mb */ {  AH_TRUE,  CCK,    2000,    0x1a,    0x04, (0x80| 4),   1 },
12514779705SSam Leffler /* 5.5 Mb */ {  AH_TRUE,  CCK,    5500,    0x19,    0x04, (0x80|11),   1 },
12614779705SSam Leffler /*  11 Mb */ {  AH_TRUE,  CCK,   11000,    0x18,    0x04, (0x80|22),   1 }
12714779705SSam Leffler 	},
12814779705SSam Leffler };
12914779705SSam Leffler 
13014779705SSam Leffler /* Venice TODO: roundUpRate() is broken when the rate table does not represent rates
13114779705SSam Leffler  * in increasing order  e.g.  5.5, 11, 6, 9.
13214779705SSam Leffler  * An average rate of 6 Mbps will currently map to 11 Mbps.
13314779705SSam Leffler  */
13414779705SSam Leffler HAL_RATE_TABLE ar5212_11g_table = {
13514779705SSam Leffler 	12,  /* number of rates */
13614779705SSam Leffler 	{ 0 },
13714779705SSam Leffler 	{
13814779705SSam Leffler /*                                                 short            ctrl  */
13914779705SSam Leffler /*                valid                rateCode Preamble  dot11Rate Rate */
14014779705SSam Leffler /*   1 Mb */ {  AH_TRUE, CCK,     1000,    0x1b,    0x00, (0x80| 2),   0 },
14114779705SSam Leffler /*   2 Mb */ {  AH_TRUE, CCK,     2000,    0x1a,    0x04, (0x80| 4),   1 },
14214779705SSam Leffler /* 5.5 Mb */ {  AH_TRUE, CCK,     5500,    0x19,    0x04, (0x80|11),   2 },
14314779705SSam Leffler /*  11 Mb */ {  AH_TRUE, CCK,    11000,    0x18,    0x04, (0x80|22),   3 },
14414779705SSam Leffler /* remove rates 6, 9 from rate ctrl */
14514779705SSam Leffler /*   6 Mb */ { AH_FALSE, OFDM,    6000,    0x0b,    0x00,        12,   4 },
14614779705SSam Leffler /*   9 Mb */ { AH_FALSE, OFDM,    9000,    0x0f,    0x00,        18,   4 },
14714779705SSam Leffler /*  12 Mb */ {  AH_TRUE, OFDM,   12000,    0x0a,    0x00,        24,   6 },
14814779705SSam Leffler /*  18 Mb */ {  AH_TRUE, OFDM,   18000,    0x0e,    0x00,        36,   6 },
14914779705SSam Leffler /*  24 Mb */ {  AH_TRUE, OFDM,   24000,    0x09,    0x00,        48,   8 },
15014779705SSam Leffler /*  36 Mb */ {  AH_TRUE, OFDM,   36000,    0x0d,    0x00,        72,   8 },
15114779705SSam Leffler /*  48 Mb */ {  AH_TRUE, OFDM,   48000,    0x08,    0x00,        96,   8 },
15214779705SSam Leffler /*  54 Mb */ {  AH_TRUE, OFDM,   54000,    0x0c,    0x00,       108,   8 }
15314779705SSam Leffler 	},
15414779705SSam Leffler };
15514779705SSam Leffler 
15614779705SSam Leffler #undef	OFDM
15714779705SSam Leffler #undef	CCK
15814779705SSam Leffler #undef	TURBO
15914779705SSam Leffler #undef	XR
16014779705SSam Leffler 
16114779705SSam Leffler const HAL_RATE_TABLE *
ar5212GetRateTable(struct ath_hal * ah,u_int mode)16214779705SSam Leffler ar5212GetRateTable(struct ath_hal *ah, u_int mode)
16314779705SSam Leffler {
16414779705SSam Leffler 	HAL_RATE_TABLE *rt;
16514779705SSam Leffler 	switch (mode) {
16614779705SSam Leffler 	case HAL_MODE_11A:
16714779705SSam Leffler 		rt = &ar5212_11a_table;
16814779705SSam Leffler 		break;
16914779705SSam Leffler 	case HAL_MODE_11B:
17014779705SSam Leffler 		rt = &ar5212_11b_table;
17114779705SSam Leffler 		break;
17214779705SSam Leffler 	case HAL_MODE_11G:
17314779705SSam Leffler #ifdef notdef
17414779705SSam Leffler 	case HAL_MODE_PUREG:
17514779705SSam Leffler #endif
17614779705SSam Leffler 		rt =  &ar5212_11g_table;
17714779705SSam Leffler 		break;
17814779705SSam Leffler 	case HAL_MODE_108A:
17914779705SSam Leffler 	case HAL_MODE_TURBO:
18014779705SSam Leffler 		rt =  &ar5212_turboa_table;
18114779705SSam Leffler 		break;
18214779705SSam Leffler 	case HAL_MODE_108G:
18314779705SSam Leffler 		rt =  &ar5212_turbog_table;
18414779705SSam Leffler 		break;
18514779705SSam Leffler 	case HAL_MODE_11A_HALF_RATE:
18614779705SSam Leffler 	case HAL_MODE_11G_HALF_RATE:
18714779705SSam Leffler 		rt = &ar5212_half_table;
18814779705SSam Leffler 		break;
18914779705SSam Leffler 	case HAL_MODE_11A_QUARTER_RATE:
19014779705SSam Leffler 	case HAL_MODE_11G_QUARTER_RATE:
19114779705SSam Leffler 		rt = &ar5212_quarter_table;
19214779705SSam Leffler 		break;
19314779705SSam Leffler 	default:
19414779705SSam Leffler 		HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid mode 0x%x\n",
19514779705SSam Leffler 		    __func__, mode);
19614779705SSam Leffler 		return AH_NULL;
19714779705SSam Leffler 	}
19814779705SSam Leffler 	ath_hal_setupratetable(ah, rt);
19914779705SSam Leffler 	return rt;
20014779705SSam Leffler }
201