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 */
36
37 #ifndef _BWI_RF_H
38 #define _BWI_RF_H
39
40 int bwi_rf_attach(struct bwi_mac *);
41 void bwi_rf_clear_state(struct bwi_rf *);
42
43 int bwi_rf_map_txpower(struct bwi_mac *);
44 void bwi_rf_lo_adjust(struct bwi_mac *, const struct bwi_tpctl *);
45 void bwi_rf_set_chan(struct bwi_mac *, u_int, int);
46 void bwi_rf_get_gains(struct bwi_mac *);
47 void bwi_rf_init(struct bwi_mac *);
48 void bwi_rf_init_bcm2050(struct bwi_mac *);
49 void bwi_rf_init_hw_nrssi_table(struct bwi_mac *, uint16_t);
50 void bwi_rf_set_ant_mode(struct bwi_mac *, int);
51
52 void bwi_rf_clear_tssi(struct bwi_mac *);
53 int bwi_rf_get_latest_tssi(struct bwi_mac *, int8_t[], uint16_t);
54 int bwi_rf_tssi2dbm(struct bwi_mac *, int8_t, int8_t *);
55
56 void bwi_rf_write(struct bwi_mac *, uint16_t, uint16_t);
57 uint16_t bwi_rf_read(struct bwi_mac *, uint16_t);
58
59 static __inline void
60 bwi_rf_off(struct bwi_mac *_mac)
61 {
62 _mac->mac_rf.rf_off(_mac);
63 /* TODO:LED */
64
65 _mac->mac_rf.rf_flags &= ~BWI_RF_F_ON;
66 }
67
68 static __inline void
69 bwi_rf_on(struct bwi_mac *_mac)
70 {
71 if (_mac->mac_rf.rf_flags & BWI_RF_F_ON)
72 return;
73
74 _mac->mac_rf.rf_on(_mac);
75 /* TODO: LED */
76
77 _mac->mac_rf.rf_flags |= BWI_RF_F_ON;
78 }
79
80 static __inline void
81 bwi_rf_calc_nrssi_slope(struct bwi_mac *_mac)
82 {
83 _mac->mac_rf.rf_calc_nrssi_slope(_mac);
84 }
85
86 static __inline void
87 bwi_rf_set_nrssi_thr(struct bwi_mac *_mac)
88 {
89 _mac->mac_rf.rf_set_nrssi_thr(_mac);
90 }
91
92 static __inline int
93 bwi_rf_calc_rssi(struct bwi_mac *_mac, const struct bwi_rxbuf_hdr *_hdr)
94 {
95 return _mac->mac_rf.rf_calc_rssi(_mac, _hdr);
96 }
97
98 static __inline void
99 bwi_rf_lo_update(struct bwi_mac *_mac)
100 {
101 return _mac->mac_rf.rf_lo_update(_mac);
102 }
103
104 #define RF_WRITE(mac, ofs, val) bwi_rf_write((mac), (ofs), (val))
105 #define RF_READ(mac, ofs) bwi_rf_read((mac), (ofs))
106
107 #define RF_SETBITS(mac, ofs, bits) \
108 RF_WRITE((mac), (ofs), RF_READ((mac), (ofs)) | (bits))
109 #define RF_CLRBITS(mac, ofs, bits) \
110 RF_WRITE((mac), (ofs), RF_READ((mac), (ofs)) & ~(bits))
111 #define RF_FILT_SETBITS(mac, ofs, filt, bits) \
112 RF_WRITE((mac), (ofs), (RF_READ((mac), (ofs)) & (filt)) | (bits))
113
114 #define BWI_RFR_ATTEN 0x43
115
116 #define BWI_RFR_TXPWR 0x52
117 #define BWI_RFR_TXPWR1_MASK __BITS(6, 4)
118
119 #define BWI_RFR_BBP_ATTEN 0x60
120 #define BWI_RFR_BBP_ATTEN_CALIB_BIT __BIT(0)
121 #define BWI_RFR_BBP_ATTEN_CALIB_IDX __BITS(4, 1)
122
123 /*
124 * TSSI -- TX power maps
125 */
126 /*
127 * http://bcm-specs.sipsolutions.net/TSSI_to_DBM_Table
128 * B PHY
129 */
130 #define BWI_TXPOWER_MAP_11B \
131 0x4d, 0x4c, 0x4b, 0x4a, 0x4a, 0x49, 0x48, 0x47, \
132 0x47, 0x46, 0x45, 0x45, 0x44, 0x43, 0x42, 0x42, \
133 0x41, 0x40, 0x3f, 0x3e, 0x3d, 0x3c, 0x3b, 0x3a, \
134 0x39, 0x38, 0x37, 0x36, 0x35, 0x34, 0x32, 0x31, \
135 0x30, 0x2f, 0x2d, 0x2c, 0x2b, 0x29, 0x28, 0x26, \
136 0x25, 0x23, 0x21, 0x1f, 0x1d, 0x1a, 0x17, 0x14, \
137 0x10, 0x0c, 0x06, 0x00, -7, -7, -7, -7, \
138 -7, -7, -7, -7, -7, -7, -7, -7
139 /*
140 * http://bcm-specs.sipsolutions.net/TSSI_to_DBM_Table
141 * G PHY
142 */
143 #define BWI_TXPOWER_MAP_11G \
144 77, 77, 77, 76, 76, 76, 75, 75, \
145 74, 74, 73, 73, 73, 72, 72, 71, \
146 71, 70, 70, 69, 68, 68, 67, 67, \
147 66, 65, 65, 64, 63, 63, 62, 61, \
148 60, 59, 58, 57, 56, 55, 54, 53, \
149 52, 50, 49, 47, 45, 43, 40, 37, \
150 33, 28, 22, 14, 5, -7, -20, -20, \
151 -20, -20, -20, -20, -20, -20, -20, -20
152
153 #endif /* !_BWI_RF_H */
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