ad1848var.h revision 1.17 1 /* $NetBSD: ad1848var.h,v 1.17 1997/07/28 20:56:13 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
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 char sc_playrun; /* running in continuous mode */
66 char sc_recrun; /* running in continuous mode */
67 #define NOTRUNNING 0
68 #define DMARUNNING 1
69 #define PCMRUNNING 2
70
71 int sc_iobase; /* I/O port base address */
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
100 /*
101 * Ad1848 ports
102 */
103 #define MIC_IN_PORT 0
104 #define LINE_IN_PORT 1
105 #define AUX1_IN_PORT 2
106 #define DAC_IN_PORT 3
107
108 #ifdef _KERNEL
109 int ad1848_probe __P((struct ad1848_softc *));
110 void ad1848_attach __P((struct ad1848_softc *));
111
112 int ad1848_open __P((struct ad1848_softc *, dev_t, int));
113 void ad1848_close __P((void *));
114
115 void ad1848_forceintr __P((struct ad1848_softc *));
116
117 int ad1848_query_encoding __P((void *, struct audio_encoding *));
118 int ad1848_set_params __P((void *, int, struct audio_params *, struct audio_params *));
119
120 int ad1848_round_blocksize __P((void *, int));
121
122 int ad1848_dma_init_output __P((void *, void *, int));
123 int ad1848_dma_init_input __P((void *, void *, int));
124 int ad1848_dma_output __P((void *, void *, int, void (*)(void *), void*));
125 int ad1848_dma_input __P((void *, void *, int, void (*)(void *), void*));
126
127 int ad1848_commit_settings __P((void *));
128
129 int ad1848_halt_in_dma __P((void *));
130 int ad1848_halt_out_dma __P((void *));
131 int ad1848_cont_in_dma __P((void *));
132 int ad1848_cont_out_dma __P((void *));
133
134 int ad1848_intr __P((void *));
135
136 int ad1848_set_rec_port __P((struct ad1848_softc *, int));
137 int ad1848_get_rec_port __P((struct ad1848_softc *));
138
139 int ad1848_set_aux1_gain __P((struct ad1848_softc *, struct ad1848_volume *));
140 int ad1848_get_aux1_gain __P((struct ad1848_softc *, struct ad1848_volume *));
141 int ad1848_set_aux2_gain __P((struct ad1848_softc *, struct ad1848_volume *));
142 int ad1848_get_aux2_gain __P((struct ad1848_softc *, struct ad1848_volume *));
143 int ad1848_set_out_gain __P((struct ad1848_softc *, struct ad1848_volume *));
144 int ad1848_get_out_gain __P((struct ad1848_softc *, struct ad1848_volume *));
145 int ad1848_set_rec_gain __P((struct ad1848_softc *, struct ad1848_volume *));
146 int ad1848_get_rec_gain __P((struct ad1848_softc *, struct ad1848_volume *));
147 int ad1848_set_mon_gain __P((struct ad1848_softc *, struct ad1848_volume *));
148 int ad1848_get_mon_gain __P((struct ad1848_softc *, struct ad1848_volume *));
149 /* Note: The mic pre-MUX gain is not a variable gain, it's 20dB or 0dB */
150 int ad1848_set_mic_gain __P((struct ad1848_softc *, struct ad1848_volume *));
151 int ad1848_get_mic_gain __P((struct ad1848_softc *, struct ad1848_volume *));
152 void ad1848_mute_aux1 __P((struct ad1848_softc *, int /* onoff */));
153 void ad1848_mute_aux2 __P((struct ad1848_softc *, int /* onoff */));
154
155 void *ad1848_malloc __P((void *, unsigned long, int, int));
156 void ad1848_free __P((void *, void *, int));
157 unsigned long ad1848_round __P((void *, unsigned long));
158 int ad1848_mappage __P((void *, void *, int, int));
159
160 #endif
161