ad1848var.h revision 1.15 1 /* $NetBSD: ad1848var.h,v 1.15 1997/06/06 23:43:46 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
52 void *parent;
53 struct device *sc_isa; /* ISA bus's device */
54
55 u_short sc_locked; /* true when doing HS DMA */
56 u_int sc_lastcc; /* size of last DMA xfer */
57 int sc_mode; /* half-duplex record/play */
58
59 #ifndef NEWCONFIG
60 int sc_dma_flags;
61 void *sc_dma_bp;
62 u_int sc_dma_cnt;
63 #endif
64
65 int sc_iobase; /* I/O port base address */
66 int sc_irq; /* interrupt */
67 int sc_drq; /* DMA */
68 int sc_recdrq; /* record/capture DMA */
69
70 /* We keep track of these */
71 struct ad1848_volume rec_gain, aux1_gain, aux2_gain, out_gain, mon_gain, line_gain, mono_gain;
72
73 int rec_port; /* recording port */
74
75 /* ad1848 */
76 u_char MCE_bit;
77 char mic_gain_on; /* CS4231 only */
78 char mono_mute, aux1_mute, aux2_mute, line_mute, mon_mute;
79 char *chip_name;
80 int mode;
81
82 u_int precision; /* 8/16 bits */
83 int channels;
84
85 u_char speed_bits;
86 u_char format_bits;
87 u_char need_commit;
88
89 u_long sc_interrupts; /* number of interrupts taken */
90 void (*sc_intr)(void *); /* dma completion intr handler */
91 void *sc_arg; /* arg for sc_intr() */
92 };
93
94 /*
95 * Ad1848 ports
96 */
97 #define MIC_IN_PORT 0
98 #define LINE_IN_PORT 1
99 #define AUX1_IN_PORT 2
100 #define DAC_IN_PORT 3
101
102 #ifdef _KERNEL
103 int ad1848_probe __P((struct ad1848_softc *));
104 void ad1848_attach __P((struct ad1848_softc *));
105
106 int ad1848_open __P((struct ad1848_softc *, dev_t, int));
107 void ad1848_close __P((void *));
108
109 void ad1848_forceintr __P((struct ad1848_softc *));
110
111 int ad1848_query_encoding __P((void *, struct audio_encoding *));
112 int ad1848_set_params __P((void *, int, struct audio_params *, struct audio_params *));
113
114 int ad1848_round_blocksize __P((void *, int));
115
116 int ad1848_dma_output __P((void *, void *, int, void (*)(void *), void*));
117 int ad1848_dma_input __P((void *, void *, int, void (*)(void *), void*));
118
119 int ad1848_commit_settings __P((void *));
120
121 int ad1848_halt_in_dma __P((void *));
122 int ad1848_halt_out_dma __P((void *));
123 int ad1848_cont_in_dma __P((void *));
124 int ad1848_cont_out_dma __P((void *));
125
126 int ad1848_intr __P((void *));
127
128 int ad1848_set_rec_port __P((struct ad1848_softc *, int));
129 int ad1848_get_rec_port __P((struct ad1848_softc *));
130
131 int ad1848_set_aux1_gain __P((struct ad1848_softc *, struct ad1848_volume *));
132 int ad1848_get_aux1_gain __P((struct ad1848_softc *, struct ad1848_volume *));
133 int ad1848_set_aux2_gain __P((struct ad1848_softc *, struct ad1848_volume *));
134 int ad1848_get_aux2_gain __P((struct ad1848_softc *, struct ad1848_volume *));
135 int ad1848_set_out_gain __P((struct ad1848_softc *, struct ad1848_volume *));
136 int ad1848_get_out_gain __P((struct ad1848_softc *, struct ad1848_volume *));
137 int ad1848_set_rec_gain __P((struct ad1848_softc *, struct ad1848_volume *));
138 int ad1848_get_rec_gain __P((struct ad1848_softc *, struct ad1848_volume *));
139 int ad1848_set_mon_gain __P((struct ad1848_softc *, struct ad1848_volume *));
140 int ad1848_get_mon_gain __P((struct ad1848_softc *, struct ad1848_volume *));
141 /* Note: The mic pre-MUX gain is not a variable gain, it's 20dB or 0dB */
142 int ad1848_set_mic_gain __P((struct ad1848_softc *, struct ad1848_volume *));
143 int ad1848_get_mic_gain __P((struct ad1848_softc *, struct ad1848_volume *));
144 void ad1848_mute_aux1 __P((struct ad1848_softc *, int /* onoff */));
145 void ad1848_mute_aux2 __P((struct ad1848_softc *, int /* onoff */));
146 #endif
147