xref: /freebsd/sys/dev/ath/ath_hal/ah_regdomain.h (revision ca987d4641cdcd7f27e153db17c5bf064934faf5)
1 /*
2  * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
3  * Copyright (c) 2005-2006 Atheros Communications, Inc.
4  * All rights reserved.
5  *
6  * Permission to use, copy, modify, and/or distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  *
18  * $FreeBSD$
19  */
20 #ifndef	__AH_REGDOMAIN_H__
21 #define	__AH_REGDOMAIN_H__
22 
23 /*
24  * BMLEN defines the size of the bitmask used to hold frequency
25  * band specifications.  Note this must agree with the BM macro
26  * definition that's used to setup initializers.  See also further
27  * comments below.
28  */
29 #define BMLEN 2		/* 2 x 64 bits in each channel bitmask */
30 typedef uint64_t chanbmask_t[BMLEN];
31 
32 /*
33  * The following describe the bit masks for different passive scan
34  * capability/requirements per regdomain.
35  */
36 #define	NO_PSCAN	0x0ULL			/* NB: must be zero */
37 #define	PSCAN_FCC	0x0000000000000001ULL
38 #define	PSCAN_FCC_T	0x0000000000000002ULL
39 #define	PSCAN_ETSI	0x0000000000000004ULL
40 #define	PSCAN_MKK1	0x0000000000000008ULL
41 #define	PSCAN_MKK2	0x0000000000000010ULL
42 #define	PSCAN_MKKA	0x0000000000000020ULL
43 #define	PSCAN_MKKA_G	0x0000000000000040ULL
44 #define	PSCAN_ETSIA	0x0000000000000080ULL
45 #define	PSCAN_ETSIB	0x0000000000000100ULL
46 #define	PSCAN_ETSIC	0x0000000000000200ULL
47 #define	PSCAN_WWR	0x0000000000000400ULL
48 #define	PSCAN_MKKA1	0x0000000000000800ULL
49 #define	PSCAN_MKKA1_G	0x0000000000001000ULL
50 #define	PSCAN_MKKA2	0x0000000000002000ULL
51 #define	PSCAN_MKKA2_G	0x0000000000004000ULL
52 #define	PSCAN_MKK3	0x0000000000008000ULL
53 #define	PSCAN_DEFER	0x7FFFFFFFFFFFFFFFULL
54 #define	IS_ECM_CHAN	0x8000000000000000ULL
55 
56 /*
57  * The following are flags for different requirements per reg domain.
58  * These requirements are either inhereted from the reg domain pair or
59  * from the unitary reg domain if the reg domain pair flags value is 0
60  */
61 enum {
62 	NO_REQ			= 0x00000000,	/* NB: must be zero */
63 	DISALLOW_ADHOC_11A	= 0x00000001,	/* adhoc not allowed in 5GHz */
64 	DISALLOW_ADHOC_11A_TURB	= 0x00000002,	/* not allowed w/ 5GHz turbo */
65 	NEED_NFC		= 0x00000004,	/* need noise floor check */
66 	ADHOC_PER_11D		= 0x00000008,	/* must receive 11d beacon */
67 	LIMIT_FRAME_4MS 	= 0x00000020,	/* 4msec tx burst limit */
68 	NO_HOSTAP		= 0x00000040,	/* No HOSTAP mode opereation */
69 };
70 
71 /* Bit masks for DFS per regdomain */
72 enum {
73 	NO_DFS   = 0x0000000000000000ULL,	/* NB: must be zero */
74 	DFS_FCC3 = 0x0000000000000001ULL,
75 	DFS_ETSI = 0x0000000000000002ULL,
76 	DFS_MKK4 = 0x0000000000000004ULL,
77 };
78 
79 enum {						/* conformance test limits */
80 	FCC	= 0x10,
81 	MKK	= 0x40,
82 	ETSI	= 0x30,
83 };
84 
85 /*
86  * THE following table is the mapping of regdomain pairs specified by
87  * an 8 bit regdomain value to the individual unitary reg domains
88  */
89 typedef struct regDomainPair {
90 	HAL_REG_DOMAIN regDmnEnum;	/* 16 bit reg domain pair */
91 	HAL_REG_DOMAIN regDmn5GHz;	/* 5GHz reg domain */
92 	HAL_REG_DOMAIN regDmn2GHz;	/* 2GHz reg domain */
93 	uint32_t flags5GHz;		/* Requirements flags (AdHoc
94 					   disallow, noise floor cal needed,
95 					   etc) */
96 	uint32_t flags2GHz;		/* Requirements flags (AdHoc
97 					   disallow, noise floor cal needed,
98 					   etc) */
99 	uint64_t pscanMask;		/* Passive Scan flags which
100 					   can override unitary domain
101 					   passive scan flags.  This
102 					   value is used as a mask on
103 					   the unitary flags*/
104 	uint16_t singleCC;		/* Country code of single country if
105 					   a one-on-one mapping exists */
106 }  REG_DMN_PAIR_MAPPING;
107 
108 typedef struct {
109 	HAL_CTRY_CODE		countryCode;
110 	HAL_REG_DOMAIN		regDmnEnum;
111 } COUNTRY_CODE_TO_ENUM_RD;
112 
113 /*
114  * Frequency band collections are defined using bitmasks.  Each bit
115  * in a mask is the index of an entry in one of the following tables.
116  * Bitmasks are BMLEN*64 bits so if a table grows beyond that the bit
117  * vectors must be enlarged or the tables split somehow (e.g. split
118  * 1/2 and 1/4 rate channels into a separate table).
119  *
120  * Beware of ordering; the indices are defined relative to the preceding
121  * entry so if things get off there will be confusion.  A good way to
122  * check the indices is to collect them in a switch statement in a stub
123  * function so the compiler checks for duplicates.
124  */
125 typedef struct {
126 	uint16_t	lowChannel;	/* Low channel center in MHz */
127 	uint16_t	highChannel;	/* High Channel center in MHz */
128 	uint8_t		powerDfs;	/* Max power (dBm) for channel
129 					   range when using DFS */
130 	uint8_t		antennaMax;	/* Max allowed antenna gain */
131 	uint8_t		channelBW;	/* Bandwidth of the channel */
132 	uint8_t		channelSep;	/* Channel separation within
133 					   the band */
134 	uint64_t	useDfs;		/* Use DFS in the RegDomain
135 					   if corresponding bit is set */
136 	uint64_t	usePassScan;	/* Use Passive Scan in the RegDomain
137 					   if corresponding bit is set */
138 } REG_DMN_FREQ_BAND;
139 
140 typedef struct regDomain {
141 	uint16_t regDmnEnum;		/* value from EnumRd table */
142 	uint8_t conformanceTestLimit;
143 	uint32_t flags;			/* Requirement flags (AdHoc disallow,
144 					   noise floor cal needed, etc) */
145 	uint64_t dfsMask;		/* DFS bitmask for 5Ghz tables */
146 	uint64_t pscan;			/* Bitmask for passive scan */
147 	chanbmask_t chan11a;		/* 11a channels */
148 	chanbmask_t chan11a_turbo;	/* 11a static turbo channels */
149 	chanbmask_t chan11a_dyn_turbo;	/* 11a dynamic turbo channels */
150 	chanbmask_t chan11a_half;	/* 11a 1/2 width channels */
151 	chanbmask_t chan11a_quarter;	/* 11a 1/4 width channels */
152 	chanbmask_t chan11b;		/* 11b channels */
153 	chanbmask_t chan11g;		/* 11g channels */
154 	chanbmask_t chan11g_turbo;	/* 11g dynamic turbo channels */
155 	chanbmask_t chan11g_half;	/* 11g 1/2 width channels */
156 	chanbmask_t chan11g_quarter;	/* 11g 1/4 width channels */
157 } REG_DOMAIN;
158 
159 struct cmode {
160 	u_int		mode;
161 	u_int		flags;
162 	REG_DMN_FREQ_BAND *freqs;
163 };
164 #endif
165