1/*	$NetBSD$	*/
2
3struct am7930_softc;
4
5struct am7930_glue {
6	uint8_t	(*codec_iread)(struct am7930_softc *sc, int);
7	void	(*codec_iwrite)(struct am7930_softc *sc, int, uint8_t);
8	uint16_t	(*codec_iread16)(struct am7930_softc *sc, int);
9	void	(*codec_iwrite16)(struct am7930_softc *sc, int, uint16_t);
10	void	(*onopen)(struct am7930_softc *sc);
11	void	(*onclose)(struct am7930_softc *sc);
12	int	factor;
13	stream_filter_factory_t *input_conv;
14	stream_filter_factory_t *output_conv;
15};
16
17struct am7930_softc {
18	device_t sc_dev;	/* base device */
19
20	uint8_t	sc_rlevel;	/* record level */
21	uint8_t	sc_plevel;	/* play level */
22	uint8_t	sc_mlevel;	/* monitor level */
23	uint8_t	sc_out_port;	/* output port */
24	uint8_t	sc_mic_mute;
25
26	struct am7930_glue *sc_glue;
27
28	kmutex_t sc_lock;
29	kmutex_t sc_intr_lock;
30};
31
32extern int     am7930debug;
33
34void	am7930_init(struct am7930_softc *, int);
35
36#define AM7930_IWRITE(x,y,z)	(*(x)->sc_glue->codec_iwrite)((x),(y),(z))
37#define AM7930_IREAD(x,y)	(*(x)->sc_glue->codec_iread)((x),(y))
38#define AM7930_IWRITE16(x,y,z)	(*(x)->sc_glue->codec_iwrite16)((x),(y),(z))
39#define AM7930_IREAD16(x,y)	(*(x)->sc_glue->codec_iread16)((x),(y))
40
41#define AUDIOAMD_POLL_MODE	0
42#define AUDIOAMD_DMA_MODE	1
43
44/*
45 * audio channel definitions.
46 */
47
48#define AUDIOAMD_SPEAKER_VOL	0	/* speaker volume */
49#define AUDIOAMD_HEADPHONES_VOL	1	/* headphones volume */
50#define AUDIOAMD_OUTPUT_CLASS	2
51
52#define AUDIOAMD_MONITOR_VOL	3	/* monitor input volume */
53#define AUDIOAMD_MONITOR_OUTPUT	4	/* output selector */
54#define AUDIOAMD_MONITOR_CLASS	5
55
56#define AUDIOAMD_MIC_VOL	6	/* microphone volume */
57#define AUDIOAMD_MIC_MUTE	7
58#define AUDIOAMD_INPUT_CLASS	8
59
60#define AUDIOAMD_RECORD_SOURCE	9	/* source selector */
61#define AUDIOAMD_RECORD_CLASS	10
62
63/*
64 * audio(9) MI callbacks from upper-level audio layer.
65 */
66
67struct audio_device;
68struct audio_encoding;
69struct audio_params;
70
71int	am7930_open(void *, int);
72void	am7930_close(void *);
73int	am7930_query_encoding(void *, struct audio_encoding *);
74int	am7930_set_params(void *, int, int, audio_params_t *,
75	    audio_params_t *, stream_filter_list_t *, stream_filter_list_t *);
76int	am7930_commit_settings(void *);
77int	am7930_round_blocksize(void *, int, int, const audio_params_t *);
78int	am7930_halt_output(void *);
79int	am7930_halt_input(void *);
80int	am7930_getdev(void *, struct audio_device *);
81int	am7930_get_props(void *);
82int	am7930_set_port(void *, mixer_ctrl_t *);
83int	am7930_get_port(void *, mixer_ctrl_t *);
84int	am7930_query_devinfo(void *, mixer_devinfo_t *);
85