ad1848var.h revision 1.24 1 /* $NetBSD: ad1848var.h,v 1.24 1998/06/09 00:05:44 thorpej 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 #define AD1848_NPORT 4
39
40 struct ad1848_volume {
41 u_char left;
42 u_char right;
43 };
44
45 struct ad1848_softc {
46 struct device sc_dev; /* base device */
47 struct isadev sc_id; /* ISA device */
48 void *sc_ih; /* interrupt vectoring */
49 bus_space_tag_t sc_iot; /* tag */
50 bus_space_handle_t sc_ioh; /* handle */
51 isa_chipset_tag_t sc_ic; /* ISA chipset info */
52 int sc_iooffs; /* offset from handle */
53
54 void *parent;
55
56 u_short sc_locked; /* true when doing HS DMA */
57 u_int sc_lastcc; /* size of last DMA xfer */
58 int sc_mode; /* half-duplex record/play */
59
60 #ifndef NEWCONFIG
61 int sc_dma_flags;
62 void *sc_dma_bp;
63 u_int sc_dma_cnt;
64 #endif
65
66 char sc_playrun; /* running in continuous mode */
67 char sc_recrun; /* running in continuous mode */
68 #define NOTRUNNING 0
69 #define DMARUNNING 1
70 #define PCMRUNNING 2
71
72 int sc_irq; /* interrupt */
73 int sc_drq; /* DMA */
74 int sc_recdrq; /* record/capture DMA */
75
76 /* We keep track of these */
77 struct ad1848_volume gains[6];
78
79 struct ad1848_volume rec_gain;
80
81 int rec_port; /* recording port */
82
83 /* ad1848 */
84 u_char MCE_bit;
85 char mic_gain_on; /* CS4231 only */
86 char mute[6];
87
88 char *chip_name;
89 int mode;
90
91 u_int precision; /* 8/16 bits */
92 int channels;
93
94 u_char speed_bits;
95 u_char format_bits;
96 u_char need_commit;
97
98 u_long sc_interrupts; /* number of interrupts taken */
99 void (*sc_intr)(void *); /* dma completion intr handler */
100 void *sc_arg; /* arg for sc_intr() */
101
102 /* Only used by pss XXX */
103 int sc_iobase;
104 };
105
106 #define MUTE_LEFT 1
107 #define MUTE_RIGHT 2
108 #define MUTE_ALL (MUTE_LEFT | MUTE_RIGHT)
109 #define MUTE_MONO MUTE_ALL
110
111 /* Don't change this ordering without seriously looking around.
112 These are indexes into mute[] array and into a register information
113 array */
114 #define AD1848_AUX2_CHANNEL 0
115 #define AD1848_AUX1_CHANNEL 1
116 #define AD1848_DAC_CHANNEL 2
117 #define AD1848_LINE_CHANNEL 3
118 #define AD1848_MONO_CHANNEL 4
119 #define AD1848_MONITOR_CHANNEL 5 /* Doesn't seem to be on all later chips */
120
121 /*
122 * Ad1848 ports
123 */
124 #define MIC_IN_PORT 0
125 #define LINE_IN_PORT 1
126 #define AUX1_IN_PORT 2
127 #define DAC_IN_PORT 3
128
129 #ifdef _KERNEL
130
131 #define AD1848_KIND_LVL 0
132 #define AD1848_KIND_MUTE 1
133 #define AD1848_KIND_RECORDGAIN 2
134 #define AD1848_KIND_MICGAIN 3
135 #define AD1848_KIND_RECORDSOURCE 4
136
137 typedef struct ad1848_devmap {
138 int id;
139 int kind;
140 int dev;
141 } ad1848_devmap_t;
142
143 int ad1848_mixer_get_port __P((struct ad1848_softc *, ad1848_devmap_t *, int cnt, mixer_ctrl_t *));
144 int ad1848_mixer_set_port __P((struct ad1848_softc *, ad1848_devmap_t *, int, mixer_ctrl_t *));
145 int ad1848_mapprobe __P((struct ad1848_softc *, int));
146 int ad1848_probe __P((struct ad1848_softc *));
147 void ad1848_unmap __P((struct ad1848_softc *));
148 void ad1848_attach __P((struct ad1848_softc *));
149
150 int ad1848_open __P((void *, int));
151 void ad1848_close __P((void *));
152
153 void ad1848_forceintr __P((struct ad1848_softc *));
154
155 int ad1848_query_encoding __P((void *, struct audio_encoding *));
156 int ad1848_set_params __P((void *, int, int, struct audio_params *, struct audio_params *));
157
158 int ad1848_round_blocksize __P((void *, int));
159
160 int ad1848_dma_init_output __P((void *, void *, int));
161 int ad1848_dma_init_input __P((void *, void *, int));
162 int ad1848_dma_output __P((void *, void *, int, void (*)(void *), void*));
163 int ad1848_dma_input __P((void *, void *, int, void (*)(void *), void*));
164
165 int ad1848_commit_settings __P((void *));
166
167 int ad1848_halt_in_dma __P((void *));
168 int ad1848_halt_out_dma __P((void *));
169
170 int ad1848_intr __P((void *));
171
172 int ad1848_set_rec_port __P((struct ad1848_softc *, int));
173 int ad1848_get_rec_port __P((struct ad1848_softc *));
174
175 int ad1848_set_channel_gain __P((struct ad1848_softc *, int, struct ad1848_volume *));
176 int ad1848_get_device_gain __P((struct ad1848_softc *, int, struct ad1848_volume *));
177 int ad1848_set_rec_gain __P((struct ad1848_softc *, struct ad1848_volume *));
178 int ad1848_get_rec_gain __P((struct ad1848_softc *, struct ad1848_volume *));
179 /* Note: The mic pre-MUX gain is not a variable gain, it's 20dB or 0dB */
180 int ad1848_set_mic_gain __P((struct ad1848_softc *, struct ad1848_volume *));
181 int ad1848_get_mic_gain __P((struct ad1848_softc *, struct ad1848_volume *));
182 void ad1848_mute_channel __P((struct ad1848_softc *, int device, int mute));
183 int ad1848_to_vol __P((mixer_ctrl_t *, struct ad1848_volume *));
184 int ad1848_from_vol __P((mixer_ctrl_t *, struct ad1848_volume *));
185
186 void *ad1848_malloc __P((void *, unsigned long, int, int));
187 void ad1848_free __P((void *, void *, int));
188 unsigned long ad1848_round __P((void *, unsigned long));
189 int ad1848_mappage __P((void *, void *, int, int));
190
191 int ad1848_get_props __P((void *));
192
193 #endif
194