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am7930var.h revision 1.9 
      1 /*	$NetBSD: am7930var.h,v 1.9 2005/01/10 22:01:37 kent Exp $	*/
      2 
      3 struct am7930_softc;
      4 
      5 struct am7930_glue {
      6 	u_int8_t	(*codec_iread) __P((struct am7930_softc *sc, int));
      7 	void	(*codec_iwrite) __P((struct am7930_softc *sc, int, u_int8_t));
      8 	u_int16_t	(*codec_iread16) __P((struct am7930_softc *sc, int));
      9 	void	(*codec_iwrite16) __P((struct am7930_softc *sc, int, u_int16_t));
     10 	void	(*onopen) __P((struct am7930_softc *sc));
     11 	void	(*onclose) __P((struct am7930_softc *sc));
     12 	int	factor;
     13 	stream_filter_factory_t *input_conv;
     14 	stream_filter_factory_t *output_conv;
     15 };
     16 
     17 struct am7930_softc {
     18 	struct	device sc_dev;		/* base device */
     19 
     20 	u_int8_t	sc_rlevel;	/* record level */
     21 	u_int8_t	sc_plevel;	/* play level */
     22 	u_int8_t	sc_mlevel;	/* monitor level */
     23 	u_int8_t	sc_out_port;	/* output port */
     24 	u_int8_t	sc_mic_mute;
     25 
     26 	struct am7930_glue *sc_glue;
     27 };
     28 
     29 extern int     am7930debug;
     30 
     31 void	am7930_init __P((struct am7930_softc *, int));
     32 
     33 #define AM7930_IWRITE(x,y,z)	(*(x)->sc_glue->codec_iwrite)((x),(y),(z))
     34 #define AM7930_IREAD(x,y)	(*(x)->sc_glue->codec_iread)((x),(y))
     35 #define AM7930_IWRITE16(x,y,z)	(*(x)->sc_glue->codec_iwrite16)((x),(y),(z))
     36 #define AM7930_IREAD16(x,y)	(*(x)->sc_glue->codec_iread16)((x),(y))
     37 
     38 #define AUDIOAMD_POLL_MODE	0
     39 #define AUDIOAMD_DMA_MODE	1
     40 
     41 /*
     42  * audio channel definitions.
     43  */
     44 
     45 #define AUDIOAMD_SPEAKER_VOL	0	/* speaker volume */
     46 #define AUDIOAMD_HEADPHONES_VOL	1	/* headphones volume */
     47 #define AUDIOAMD_OUTPUT_CLASS	2
     48 
     49 #define AUDIOAMD_MONITOR_VOL	3	/* monitor input volume */
     50 #define AUDIOAMD_MONITOR_OUTPUT	4	/* output selector */
     51 #define AUDIOAMD_MONITOR_CLASS	5
     52 
     53 #define AUDIOAMD_MIC_VOL	6	/* microphone volume */
     54 #define AUDIOAMD_MIC_MUTE	7
     55 #define AUDIOAMD_INPUT_CLASS	8
     56 
     57 #define AUDIOAMD_RECORD_SOURCE	9	/* source selector */
     58 #define AUDIOAMD_RECORD_CLASS	10
     59 
     60 /*
     61  * audio(9) MI callbacks from upper-level audio layer.
     62  */
     63 
     64 struct audio_device;
     65 struct audio_encoding;
     66 struct audio_params;
     67 
     68 int	am7930_open __P((void *, int));
     69 void	am7930_close __P((void *));
     70 int	am7930_query_encoding __P((void *, struct audio_encoding *));
     71 int	am7930_set_params __P((void *, int, int, audio_params_t *,
     72 			    audio_params_t *, stream_filter_list_t *,
     73 			    stream_filter_list_t *));
     74 int	am7930_commit_settings __P((void *));
     75 int	am7930_round_blocksize __P((void *, int, int, const audio_params_t *));
     76 int	am7930_halt_output __P((void *));
     77 int	am7930_halt_input __P((void *));
     78 int	am7930_getdev __P((void *, struct audio_device *));
     79 int	am7930_get_props __P((void *));
     80 int	am7930_set_port __P((void *, mixer_ctrl_t *));
     81 int	am7930_get_port __P((void *, mixer_ctrl_t *));
     82 int	am7930_query_devinfo __P((void *, mixer_devinfo_t *));
     83