xref: /freebsd/sys/dev/bwi/bwirf.h (revision fcb560670601b2a4d87bb31d7531c8dcc37ee71b)
1 /*
2  * Copyright (c) 2007 The DragonFly Project.  All rights reserved.
3  *
4  * This code is derived from software contributed to The DragonFly Project
5  * by Sepherosa Ziehau <sepherosa@gmail.com>
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  *
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in
15  *    the documentation and/or other materials provided with the
16  *    distribution.
17  * 3. Neither the name of The DragonFly Project nor the names of its
18  *    contributors may be used to endorse or promote products derived
19  *    from this software without specific, prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  * $DragonFly: src/sys/dev/netif/bwi/bwirf.h,v 1.3 2007/10/03 04:53:19 sephe Exp $
35  * $FreeBSD$
36  */
37 
38 #ifndef _BWI_RF_H
39 #define _BWI_RF_H
40 
41 int		bwi_rf_attach(struct bwi_mac *);
42 void		bwi_rf_clear_state(struct bwi_rf *);
43 
44 int		bwi_rf_map_txpower(struct bwi_mac *);
45 void		bwi_rf_lo_adjust(struct bwi_mac *, const struct bwi_tpctl *);
46 void		bwi_rf_set_chan(struct bwi_mac *, u_int, int);
47 void		bwi_rf_get_gains(struct bwi_mac *);
48 void		bwi_rf_init(struct bwi_mac *);
49 void		bwi_rf_init_bcm2050(struct bwi_mac *);
50 void		bwi_rf_init_hw_nrssi_table(struct bwi_mac *, uint16_t);
51 void		bwi_rf_set_ant_mode(struct bwi_mac *, int);
52 
53 void		bwi_rf_clear_tssi(struct bwi_mac *);
54 int		bwi_rf_get_latest_tssi(struct bwi_mac *, int8_t[], uint16_t);
55 int		bwi_rf_tssi2dbm(struct bwi_mac *, int8_t, int8_t *);
56 
57 void		bwi_rf_write(struct bwi_mac *, uint16_t, uint16_t);
58 uint16_t	bwi_rf_read(struct bwi_mac *, uint16_t);
59 
60 static __inline void
61 bwi_rf_off(struct bwi_mac *_mac)
62 {
63 	_mac->mac_rf.rf_off(_mac);
64 	/* TODO:LED */
65 
66 	_mac->mac_rf.rf_flags &= ~BWI_RF_F_ON;
67 }
68 
69 static __inline void
70 bwi_rf_on(struct bwi_mac *_mac)
71 {
72 	if (_mac->mac_rf.rf_flags & BWI_RF_F_ON)
73 		return;
74 
75 	_mac->mac_rf.rf_on(_mac);
76 	/* TODO: LED */
77 
78 	_mac->mac_rf.rf_flags |= BWI_RF_F_ON;
79 }
80 
81 static __inline void
82 bwi_rf_calc_nrssi_slope(struct bwi_mac *_mac)
83 {
84 	_mac->mac_rf.rf_calc_nrssi_slope(_mac);
85 }
86 
87 static __inline void
88 bwi_rf_set_nrssi_thr(struct bwi_mac *_mac)
89 {
90 	_mac->mac_rf.rf_set_nrssi_thr(_mac);
91 }
92 
93 static __inline int
94 bwi_rf_calc_rssi(struct bwi_mac *_mac, const struct bwi_rxbuf_hdr *_hdr)
95 {
96 	return _mac->mac_rf.rf_calc_rssi(_mac, _hdr);
97 }
98 
99 static __inline int
100 bwi_rf_calc_noise(struct bwi_mac *_mac)
101 {
102 	return _mac->mac_rf.rf_calc_noise(_mac);
103 }
104 
105 static __inline void
106 bwi_rf_lo_update(struct bwi_mac *_mac)
107 {
108 	return _mac->mac_rf.rf_lo_update(_mac);
109 }
110 
111 #define RF_WRITE(mac, ofs, val)		bwi_rf_write((mac), (ofs), (val))
112 #define RF_READ(mac, ofs)		bwi_rf_read((mac), (ofs))
113 
114 #define RF_SETBITS(mac, ofs, bits)		\
115 	RF_WRITE((mac), (ofs), RF_READ((mac), (ofs)) | (bits))
116 #define RF_CLRBITS(mac, ofs, bits)		\
117 	RF_WRITE((mac), (ofs), RF_READ((mac), (ofs)) & ~(bits))
118 #define RF_FILT_SETBITS(mac, ofs, filt, bits)	\
119 	RF_WRITE((mac), (ofs), (RF_READ((mac), (ofs)) & (filt)) | (bits))
120 
121 #define BWI_RFR_ATTEN			0x43
122 
123 #define BWI_RFR_TXPWR			0x52
124 #define BWI_RFR_TXPWR1_MASK		__BITS(6, 4)
125 
126 #define BWI_RFR_BBP_ATTEN		0x60
127 #define BWI_RFR_BBP_ATTEN_CALIB_BIT	__BIT(0)
128 #define BWI_RFR_BBP_ATTEN_CALIB_IDX	__BITS(4, 1)
129 
130 /*
131  * TSSI -- TX power maps
132  */
133 /*
134  * http://bcm-specs.sipsolutions.net/TSSI_to_DBM_Table
135  * B PHY
136  */
137 #define BWI_TXPOWER_MAP_11B \
138 	0x4d,	0x4c,	0x4b,	0x4a,	0x4a,	0x49,	0x48,	0x47,	\
139 	0x47,	0x46,	0x45,	0x45,	0x44,	0x43,	0x42,	0x42,	\
140 	0x41,	0x40,	0x3f,	0x3e,	0x3d,	0x3c,	0x3b,	0x3a,	\
141 	0x39,	0x38,	0x37,	0x36,	0x35,	0x34,	0x32,	0x31,	\
142 	0x30,	0x2f,	0x2d,	0x2c,	0x2b,	0x29,	0x28,	0x26,	\
143 	0x25,	0x23,	0x21,	0x1f,	0x1d,	0x1a,	0x17,	0x14,	\
144 	0x10,	0x0c,	0x06,	0x00,	-7,	-7,	-7,	-7, 	\
145 	-7,	-7,	-7,	-7,	-7,	-7,	-7,	-7
146 /*
147  * http://bcm-specs.sipsolutions.net/TSSI_to_DBM_Table
148  * G PHY
149  */
150 #define BWI_TXPOWER_MAP_11G \
151 	77,	77,	77,	76,	76,	76,	75,	75,	\
152 	74,	74,	73,	73,	73,	72,	72,	71,	\
153 	71,	70,	70,	69,	68,	68,	67,	67,	\
154 	66,	65,	65,	64,	63,	63,	62,	61,	\
155 	60,	59,	58,	57,	56,	55,	54,	53,	\
156 	52,	50,	49,	47,	45,	43,	40,	37,	\
157 	33,	28,	22,	14,	5,	-7,	-20,	-20,	\
158 	-20,	-20,	-20,	-20,	-20,	-20,	-20,	-20
159 
160 #endif	/* !_BWI_RF_H */
161