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
42int		bwi_rf_attach(struct bwi_mac *);
43void		bwi_rf_clear_state(struct bwi_rf *);
44
45int		bwi_rf_map_txpower(struct bwi_mac *);
46void		bwi_rf_lo_adjust(struct bwi_mac *, const struct bwi_tpctl *);
47void		bwi_rf_set_chan(struct bwi_mac *, u_int, int);
48void		bwi_rf_get_gains(struct bwi_mac *);
49void		bwi_rf_init(struct bwi_mac *);
50void		bwi_rf_init_bcm2050(struct bwi_mac *);
51void		bwi_rf_init_hw_nrssi_table(struct bwi_mac *, uint16_t);
52void		bwi_rf_set_ant_mode(struct bwi_mac *, int);
53
54void		bwi_rf_clear_tssi(struct bwi_mac *);
55int		bwi_rf_get_latest_tssi(struct bwi_mac *, int8_t[], uint16_t);
56int		bwi_rf_tssi2dbm(struct bwi_mac *, int8_t, int8_t *);
57
58void		bwi_rf_write(struct bwi_mac *, uint16_t, uint16_t);
59uint16_t	bwi_rf_read(struct bwi_mac *, uint16_t);
60
61static __inline void
62bwi_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
70static __inline void
71bwi_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
82static __inline void
83bwi_rf_calc_nrssi_slope(struct bwi_mac *_mac)
84{
85	_mac->mac_rf.rf_calc_nrssi_slope(_mac);
86}
87
88static __inline void
89bwi_rf_set_nrssi_thr(struct bwi_mac *_mac)
90{
91	_mac->mac_rf.rf_set_nrssi_thr(_mac);
92}
93
94static __inline int
95bwi_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
100static __inline int
101bwi_rf_calc_noise(struct bwi_mac *_mac)
102{
103	return _mac->mac_rf.rf_calc_noise(_mac);
104}
105
106static __inline void
107bwi_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