ad1848var.h revision 1.22 1 /* $NetBSD: ad1848var.h,v 1.22 1998/01/19 22:18:26 augustss 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 int sc_iooffs; /* offset from handle */
52
53 void *parent;
54 struct device *sc_isa; /* ISA bus's device */
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 rec_gain, aux1_gain, aux2_gain, out_gain, mon_gain, line_gain, mono_gain;
78
79 int rec_port; /* recording port */
80
81 /* ad1848 */
82 u_char MCE_bit;
83 char mic_gain_on; /* CS4231 only */
84 char mono_mute, aux1_mute, aux2_mute, line_mute, mon_mute;
85 char *chip_name;
86 int mode;
87
88 u_int precision; /* 8/16 bits */
89 int channels;
90
91 u_char speed_bits;
92 u_char format_bits;
93 u_char need_commit;
94
95 u_long sc_interrupts; /* number of interrupts taken */
96 void (*sc_intr)(void *); /* dma completion intr handler */
97 void *sc_arg; /* arg for sc_intr() */
98
99 /* Only used by pss XXX */
100 int sc_iobase;
101 };
102
103 /*
104 * Ad1848 ports
105 */
106 #define MIC_IN_PORT 0
107 #define LINE_IN_PORT 1
108 #define AUX1_IN_PORT 2
109 #define DAC_IN_PORT 3
110
111 #ifdef _KERNEL
112 int ad1848_mapprobe __P((struct ad1848_softc *, int));
113 int ad1848_probe __P((struct ad1848_softc *));
114 void ad1848_unmap __P((struct ad1848_softc *));
115 void ad1848_attach __P((struct ad1848_softc *));
116
117 int ad1848_open __P((void *, int));
118 void ad1848_close __P((void *));
119
120 void ad1848_forceintr __P((struct ad1848_softc *));
121
122 int ad1848_query_encoding __P((void *, struct audio_encoding *));
123 int ad1848_set_params __P((void *, int, int, struct audio_params *, struct audio_params *));
124
125 int ad1848_round_blocksize __P((void *, int));
126
127 int ad1848_dma_init_output __P((void *, void *, int));
128 int ad1848_dma_init_input __P((void *, void *, int));
129 int ad1848_dma_output __P((void *, void *, int, void (*)(void *), void*));
130 int ad1848_dma_input __P((void *, void *, int, void (*)(void *), void*));
131
132 int ad1848_commit_settings __P((void *));
133
134 int ad1848_halt_in_dma __P((void *));
135 int ad1848_halt_out_dma __P((void *));
136
137 int ad1848_intr __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_aux1_gain __P((struct ad1848_softc *, struct ad1848_volume *));
143 int ad1848_get_aux1_gain __P((struct ad1848_softc *, struct ad1848_volume *));
144 int ad1848_set_aux2_gain __P((struct ad1848_softc *, struct ad1848_volume *));
145 int ad1848_get_aux2_gain __P((struct ad1848_softc *, struct ad1848_volume *));
146 int ad1848_set_out_gain __P((struct ad1848_softc *, struct ad1848_volume *));
147 int ad1848_get_out_gain __P((struct ad1848_softc *, struct ad1848_volume *));
148 int ad1848_set_rec_gain __P((struct ad1848_softc *, struct ad1848_volume *));
149 int ad1848_get_rec_gain __P((struct ad1848_softc *, struct ad1848_volume *));
150 int ad1848_set_mon_gain __P((struct ad1848_softc *, struct ad1848_volume *));
151 int ad1848_get_mon_gain __P((struct ad1848_softc *, struct ad1848_volume *));
152 /* Note: The mic pre-MUX gain is not a variable gain, it's 20dB or 0dB */
153 int ad1848_set_mic_gain __P((struct ad1848_softc *, struct ad1848_volume *));
154 int ad1848_get_mic_gain __P((struct ad1848_softc *, struct ad1848_volume *));
155 void ad1848_mute_aux1 __P((struct ad1848_softc *, int /* onoff */));
156 void ad1848_mute_aux2 __P((struct ad1848_softc *, int /* onoff */));
157
158 void *ad1848_malloc __P((void *, unsigned long, int, int));
159 void ad1848_free __P((void *, void *, int));
160 unsigned long ad1848_round __P((void *, unsigned long));
161 int ad1848_mappage __P((void *, void *, int, int));
162
163 int ad1848_get_props __P((void *));
164
165 #endif
166