1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 2007 The DragonFly Project. All rights reserved.
5 *
6 * This code is derived from software contributed to The DragonFly Project
7 * by Sepherosa Ziehau <sepherosa@gmail.com>
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 * 3. Neither the name of The DragonFly Project nor the names of its
20 * contributors may be used to endorse or promote products derived
21 * from this software without specific, prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
26 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
27 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
28 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
29 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
30 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
31 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
33 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * $DragonFly: src/sys/dev/netif/bwi/bwirf.h,v 1.3 2007/10/03 04:53:19 sephe Exp $
37 */
38
39 #ifndef _BWI_RF_H
40 #define _BWI_RF_H
41
42 int bwi_rf_attach(struct bwi_mac *);
43 void bwi_rf_clear_state(struct bwi_rf *);
44
45 int bwi_rf_map_txpower(struct bwi_mac *);
46 void bwi_rf_lo_adjust(struct bwi_mac *, const struct bwi_tpctl *);
47 void bwi_rf_set_chan(struct bwi_mac *, u_int, int);
48 void bwi_rf_get_gains(struct bwi_mac *);
49 void bwi_rf_init(struct bwi_mac *);
50 void bwi_rf_init_bcm2050(struct bwi_mac *);
51 void bwi_rf_init_hw_nrssi_table(struct bwi_mac *, uint16_t);
52 void bwi_rf_set_ant_mode(struct bwi_mac *, int);
53
54 void bwi_rf_clear_tssi(struct bwi_mac *);
55 int bwi_rf_get_latest_tssi(struct bwi_mac *, int8_t[], uint16_t);
56 int bwi_rf_tssi2dbm(struct bwi_mac *, int8_t, int8_t *);
57
58 void bwi_rf_write(struct bwi_mac *, uint16_t, uint16_t);
59 uint16_t bwi_rf_read(struct bwi_mac *, uint16_t);
60
61 static __inline void
bwi_rf_off(struct bwi_mac * _mac)62 bwi_rf_off(struct bwi_mac *_mac)
63 {
64 _mac->mac_rf.rf_off(_mac);
65 /* TODO:LED */
66
67 _mac->mac_rf.rf_flags &= ~BWI_RF_F_ON;
68 }
69
70 static __inline void
bwi_rf_on(struct bwi_mac * _mac)71 bwi_rf_on(struct bwi_mac *_mac)
72 {
73 if (_mac->mac_rf.rf_flags & BWI_RF_F_ON)
74 return;
75
76 _mac->mac_rf.rf_on(_mac);
77 /* TODO: LED */
78
79 _mac->mac_rf.rf_flags |= BWI_RF_F_ON;
80 }
81
82 static __inline void
bwi_rf_calc_nrssi_slope(struct bwi_mac * _mac)83 bwi_rf_calc_nrssi_slope(struct bwi_mac *_mac)
84 {
85 _mac->mac_rf.rf_calc_nrssi_slope(_mac);
86 }
87
88 static __inline void
bwi_rf_set_nrssi_thr(struct bwi_mac * _mac)89 bwi_rf_set_nrssi_thr(struct bwi_mac *_mac)
90 {
91 _mac->mac_rf.rf_set_nrssi_thr(_mac);
92 }
93
94 static __inline int
bwi_rf_calc_rssi(struct bwi_mac * _mac,const struct bwi_rxbuf_hdr * _hdr)95 bwi_rf_calc_rssi(struct bwi_mac *_mac, const struct bwi_rxbuf_hdr *_hdr)
96 {
97 return _mac->mac_rf.rf_calc_rssi(_mac, _hdr);
98 }
99
100 static __inline int
bwi_rf_calc_noise(struct bwi_mac * _mac)101 bwi_rf_calc_noise(struct bwi_mac *_mac)
102 {
103 return _mac->mac_rf.rf_calc_noise(_mac);
104 }
105
106 static __inline void
bwi_rf_lo_update(struct bwi_mac * _mac)107 bwi_rf_lo_update(struct bwi_mac *_mac)
108 {
109 return _mac->mac_rf.rf_lo_update(_mac);
110 }
111
112 #define RF_WRITE(mac, ofs, val) bwi_rf_write((mac), (ofs), (val))
113 #define RF_READ(mac, ofs) bwi_rf_read((mac), (ofs))
114
115 #define RF_SETBITS(mac, ofs, bits) \
116 RF_WRITE((mac), (ofs), RF_READ((mac), (ofs)) | (bits))
117 #define RF_CLRBITS(mac, ofs, bits) \
118 RF_WRITE((mac), (ofs), RF_READ((mac), (ofs)) & ~(bits))
119 #define RF_FILT_SETBITS(mac, ofs, filt, bits) \
120 RF_WRITE((mac), (ofs), (RF_READ((mac), (ofs)) & (filt)) | (bits))
121
122 #define BWI_RFR_ATTEN 0x43
123
124 #define BWI_RFR_TXPWR 0x52
125 #define BWI_RFR_TXPWR1_MASK __BITS(6, 4)
126
127 #define BWI_RFR_BBP_ATTEN 0x60
128 #define BWI_RFR_BBP_ATTEN_CALIB_BIT __BIT(0)
129 #define BWI_RFR_BBP_ATTEN_CALIB_IDX __BITS(4, 1)
130
131 /*
132 * TSSI -- TX power maps
133 */
134 /*
135 * http://bcm-specs.sipsolutions.net/TSSI_to_DBM_Table
136 * B PHY
137 */
138 #define BWI_TXPOWER_MAP_11B \
139 0x4d, 0x4c, 0x4b, 0x4a, 0x4a, 0x49, 0x48, 0x47, \
140 0x47, 0x46, 0x45, 0x45, 0x44, 0x43, 0x42, 0x42, \
141 0x41, 0x40, 0x3f, 0x3e, 0x3d, 0x3c, 0x3b, 0x3a, \
142 0x39, 0x38, 0x37, 0x36, 0x35, 0x34, 0x32, 0x31, \
143 0x30, 0x2f, 0x2d, 0x2c, 0x2b, 0x29, 0x28, 0x26, \
144 0x25, 0x23, 0x21, 0x1f, 0x1d, 0x1a, 0x17, 0x14, \
145 0x10, 0x0c, 0x06, 0x00, -7, -7, -7, -7, \
146 -7, -7, -7, -7, -7, -7, -7, -7
147 /*
148 * http://bcm-specs.sipsolutions.net/TSSI_to_DBM_Table
149 * G PHY
150 */
151 #define BWI_TXPOWER_MAP_11G \
152 77, 77, 77, 76, 76, 76, 75, 75, \
153 74, 74, 73, 73, 73, 72, 72, 71, \
154 71, 70, 70, 69, 68, 68, 67, 67, \
155 66, 65, 65, 64, 63, 63, 62, 61, \
156 60, 59, 58, 57, 56, 55, 54, 53, \
157 52, 50, 49, 47, 45, 43, 40, 37, \
158 33, 28, 22, 14, 5, -7, -20, -20, \
159 -20, -20, -20, -20, -20, -20, -20, -20
160
161 #endif /* !_BWI_RF_H */
162