ad1848var.h revision 1.1 1 /* $NetBSD: ad1848var.h,v 1.1 1998/08/25 22:36:40 pk Exp $ */
2
3 /*
4 * Copyright (c) 1994 John Brezak
5 * Copyright (c) 1991-1993 Regents of the University of California.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
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 the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the Computer Systems
19 * Engineering Group at Lawrence Berkeley Laboratory.
20 * 4. Neither the name of the University nor of the Laboratory may be used
21 * to endorse or promote products derived from this software without
22 * specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 */
37
38
39 struct ad1848_volume {
40 u_char left;
41 u_char right;
42 };
43
44 struct ad1848_softc {
45 struct device sc_dev; /* base device */
46 bus_space_tag_t sc_iot; /* tag */
47 bus_space_handle_t sc_ioh; /* handle */
48
49 int (*sc_readreg)__P((struct ad1848_softc *, int));
50 void (*sc_writereg)__P((struct ad1848_softc *, int, int));
51 #define ADREAD(sc, index) (*(sc)->sc_readreg)(sc, index)
52 #define ADWRITE(sc, index, data) (*(sc)->sc_writereg)(sc, index, data)
53
54 void *parent;
55
56 u_short sc_locked; /* true when doing HS DMA */
57 int sc_mode; /* half-duplex record/play */
58
59 /* We keep track of these */
60 struct ad1848_volume gains[6];
61
62 struct ad1848_volume rec_gain;
63
64 int rec_port; /* recording port */
65
66 /* ad1848 */
67 u_char MCE_bit;
68 char mic_gain_on; /* CS4231 only */
69 char mute[6];
70
71 char *chip_name;
72 int mode;
73
74 u_int precision; /* 8/16 bits */
75 int channels;
76
77 u_char speed_bits;
78 u_char format_bits;
79 u_char need_commit;
80 };
81
82 #define MUTE_LEFT 1
83 #define MUTE_RIGHT 2
84 #define MUTE_ALL (MUTE_LEFT | MUTE_RIGHT)
85 #define MUTE_MONO MUTE_ALL
86
87 /* Don't change this ordering without seriously looking around.
88 These are indexes into mute[] array and into a register information
89 array */
90 #define AD1848_AUX2_CHANNEL 0
91 #define AD1848_AUX1_CHANNEL 1
92 #define AD1848_DAC_CHANNEL 2
93 #define AD1848_LINE_CHANNEL 3
94 #define AD1848_MONO_CHANNEL 4
95 #define AD1848_MONITOR_CHANNEL 5 /* Doesn't seem to be on all later chips */
96
97 /*
98 * Ad1848 ports
99 */
100 #define MIC_IN_PORT 0
101 #define LINE_IN_PORT 1
102 #define AUX1_IN_PORT 2
103 #define DAC_IN_PORT 3
104
105 #ifdef _KERNEL
106
107 #define AD1848_KIND_LVL 0
108 #define AD1848_KIND_MUTE 1
109 #define AD1848_KIND_RECORDGAIN 2
110 #define AD1848_KIND_MICGAIN 3
111 #define AD1848_KIND_RECORDSOURCE 4
112
113 typedef struct ad1848_devmap {
114 int id;
115 int kind;
116 int dev;
117 } ad1848_devmap_t;
118
119 int ad_read __P((struct ad1848_softc *, int));
120 void ad_write __P((struct ad1848_softc *, int, int));
121
122 int ad1848_mixer_get_port __P((struct ad1848_softc *, ad1848_devmap_t *, int cnt, mixer_ctrl_t *));
123 int ad1848_mixer_set_port __P((struct ad1848_softc *, ad1848_devmap_t *, int, mixer_ctrl_t *));
124 void ad1848_attach __P((struct ad1848_softc *));
125
126 int ad1848_open __P((void *, int));
127 void ad1848_close __P((void *));
128
129 int ad1848_query_encoding __P((void *, struct audio_encoding *));
130 int ad1848_set_params __P((void *, int, int, struct audio_params *, struct audio_params *));
131
132 int ad1848_round_blocksize __P((void *, int));
133
134 int ad1848_commit_settings __P((void *));
135
136 int ad1848_halt_in __P((void *));
137 int ad1848_halt_out __P((void *));
138
139 int ad1848_set_rec_port __P((struct ad1848_softc *, int));
140 int ad1848_get_rec_port __P((struct ad1848_softc *));
141
142 int ad1848_set_channel_gain __P((struct ad1848_softc *, int, struct ad1848_volume *));
143 int ad1848_get_device_gain __P((struct ad1848_softc *, int, struct ad1848_volume *));
144 int ad1848_set_rec_gain __P((struct ad1848_softc *, struct ad1848_volume *));
145 int ad1848_get_rec_gain __P((struct ad1848_softc *, struct ad1848_volume *));
146 /* Note: The mic pre-MUX gain is not a variable gain, it's 20dB or 0dB */
147 int ad1848_set_mic_gain __P((struct ad1848_softc *, struct ad1848_volume *));
148 int ad1848_get_mic_gain __P((struct ad1848_softc *, struct ad1848_volume *));
149 void ad1848_mute_channel __P((struct ad1848_softc *, int device, int mute));
150 int ad1848_to_vol __P((mixer_ctrl_t *, struct ad1848_volume *));
151 int ad1848_from_vol __P((mixer_ctrl_t *, struct ad1848_volume *));
152
153 unsigned long ad1848_round __P((void *, unsigned long));
154 int ad1848_mappage __P((void *, void *, int, int));
155
156 #ifdef AUDIO_DEBUG
157 void ad1848_dump_regs __P((struct ad1848_softc *));
158 #endif
159
160 #endif
161