xref: /openbsd/sys/dev/ic/am7930var.h (revision cc5bdd41)
1 /*	$OpenBSD: am7930var.h,v 1.6 2022/10/26 20:19:07 kn Exp $	*/
2 /*	$NetBSD: am7930var.h,v 1.10 2005/01/15 15:19:52 kent Exp $	*/
3 
4 /*
5  * Copyright (c) 1992, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * This software was developed by the Computer Systems Engineering group
9  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
10  * contributed to Berkeley.
11  *
12  * All advertising materials mentioning features or use of this software
13  * must display the following acknowledgement:
14  *	This product includes software developed by the University of
15  *	California, Lawrence Berkeley Laboratory.
16  *
17  * Redistribution and use in source and binary forms, with or without
18  * modification, are permitted provided that the following conditions
19  * are met:
20  * 1. Redistributions of source code must retain the above copyright
21  *    notice, this list of conditions and the following disclaimer.
22  * 2. Redistributions in binary form must reproduce the above copyright
23  *    notice, this list of conditions and the following disclaimer in the
24  *    documentation and/or other materials provided with the distribution.
25  * 3. Neither the name of the University nor the names of its contributors
26  *    may be used to endorse or promote products derived from this software
27  *    without specific prior written permission.
28  *
29  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
30  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
33  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
38  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39  * SUCH DAMAGE.
40  *
41  *	@(#)bsd_audiovar.h	8.1 (Berkeley) 6/11/93
42  */
43 
44 struct am7930_softc;
45 
46 struct am7930_glue {
47 	uint8_t	(*codec_iread)(struct am7930_softc *sc, int);
48 	void	(*codec_iwrite)(struct am7930_softc *sc, int, uint8_t);
49 	uint16_t	(*codec_iread16)(struct am7930_softc *sc, int);
50 	void	(*codec_iwrite16)(struct am7930_softc *sc, int, uint16_t);
51 	void	(*onopen)(struct am7930_softc *sc);
52 	void	(*onclose)(struct am7930_softc *sc);
53 	int	precision;
54 };
55 
56 struct am7930_softc {
57 	struct device sc_dev;	/* base device */
58 	int	sc_open;
59 	int	sc_locked;
60 
61 	uint8_t	sc_rlevel;	/* record level */
62 	uint8_t	sc_plevel;	/* play level */
63 	uint8_t	sc_mlevel;	/* monitor level */
64 	uint8_t	sc_out_port;	/* output port */
65 	uint8_t	sc_mic_mute;
66 
67 	struct am7930_glue *sc_glue;
68 };
69 
70 extern int     am7930debug;
71 
72 void	am7930_init(struct am7930_softc *, int);
73 
74 #define AM7930_IWRITE(x,y,z)	(*(x)->sc_glue->codec_iwrite)((x),(y),(z))
75 #define AM7930_IREAD(x,y)	(*(x)->sc_glue->codec_iread)((x),(y))
76 #define AM7930_IWRITE16(x,y,z)	(*(x)->sc_glue->codec_iwrite16)((x),(y),(z))
77 #define AM7930_IREAD16(x,y)	(*(x)->sc_glue->codec_iread16)((x),(y))
78 
79 #define AUDIOAMD_POLL_MODE	0
80 #define AUDIOAMD_DMA_MODE	1
81 
82 /*
83  * audio channel definitions.
84  */
85 
86 #define AUDIOAMD_SPEAKER_VOL	0	/* speaker volume */
87 #define AUDIOAMD_HEADPHONES_VOL	1	/* headphones volume */
88 #define AUDIOAMD_OUTPUT_CLASS	2
89 
90 #define AUDIOAMD_MONITOR_VOL	3	/* monitor input volume */
91 #define AUDIOAMD_MONITOR_OUTPUT	4	/* output selector */
92 #define AUDIOAMD_MONITOR_CLASS	5
93 
94 #define AUDIOAMD_MIC_VOL	6	/* microphone volume */
95 #define AUDIOAMD_MIC_MUTE	7
96 #define AUDIOAMD_INPUT_CLASS	8
97 
98 #define AUDIOAMD_RECORD_SOURCE	9	/* source selector */
99 #define AUDIOAMD_RECORD_CLASS	10
100 
101 /*
102  * audio(9) MI callbacks from upper-level audio layer.
103  */
104 
105 struct audio_params;
106 
107 int	am7930_open(void *, int);
108 void	am7930_close(void *);
109 int	am7930_set_params(void *, int, int, struct audio_params *,
110 	    struct audio_params *);
111 int	am7930_commit_settings(void *);
112 int	am7930_round_blocksize(void *, int);
113 int	am7930_halt_output(void *);
114 int	am7930_halt_input(void *);
115 int	am7930_set_port(void *, mixer_ctrl_t *);
116 int	am7930_get_port(void *, mixer_ctrl_t *);
117 int	am7930_query_devinfo(void *, mixer_devinfo_t *);
118