95 lines
2.6 KiB
C
95 lines
2.6 KiB
C
/* $NetBSD: am7930var.h,v 1.15 2020/09/12 05:19:16 isaki Exp $ */
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struct am7930_softc;
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struct am7930_glue {
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uint8_t (*codec_dread)(struct am7930_softc *sc, int);
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void (*codec_dwrite)(struct am7930_softc *sc, int, uint8_t);
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};
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struct am7930_buf {
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uint8_t *start;
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uint8_t *end;
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uint8_t *data;
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uint8_t *blkend;
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uint blksize;
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void (*intr)(void *);
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void *arg;
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uint intr_pending;
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};
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struct am7930_softc {
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device_t sc_dev; /* base device */
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uint8_t sc_rlevel; /* record level */
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uint8_t sc_plevel; /* play level */
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uint8_t sc_mlevel; /* monitor level */
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uint8_t sc_out_port; /* output port */
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uint8_t sc_mic_mute;
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struct am7930_glue *sc_glue;
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struct am7930_buf sc_p; /* for play */
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struct am7930_buf sc_r; /* for rec */
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kmutex_t sc_lock;
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kmutex_t sc_intr_lock;
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void *sc_sicookie; /* softint(9) cookie */
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struct evcnt sc_intrcnt; /* statistics */
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};
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extern int am7930debug;
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void am7930_init(struct am7930_softc *, int);
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int am7930_hwintr(void *);
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void am7930_swintr(void *);
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/* direct access functions */
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#define AM7930_DWRITE(x,y,z) (*(x)->sc_glue->codec_dwrite)((x),(y),(z))
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#define AM7930_DREAD(x,y) (*(x)->sc_glue->codec_dread)((x),(y))
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#define AUDIOAMD_POLL_MODE 0
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#define AUDIOAMD_DMA_MODE 1
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/*
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* audio channel definitions.
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*/
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#define AUDIOAMD_SPEAKER_VOL 0 /* speaker volume */
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#define AUDIOAMD_HEADPHONES_VOL 1 /* headphones volume */
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#define AUDIOAMD_OUTPUT_CLASS 2
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#define AUDIOAMD_MONITOR_VOL 3 /* monitor input volume */
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#define AUDIOAMD_MONITOR_OUTPUT 4 /* output selector */
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#define AUDIOAMD_MONITOR_CLASS 5
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#define AUDIOAMD_MIC_VOL 6 /* microphone volume */
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#define AUDIOAMD_MIC_MUTE 7
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#define AUDIOAMD_INPUT_CLASS 8
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#define AUDIOAMD_RECORD_SOURCE 9 /* source selector */
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#define AUDIOAMD_RECORD_CLASS 10
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/*
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* audio(9) MI callbacks from upper-level audio layer.
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*/
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int am7930_query_format(void *, audio_format_query_t *);
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int am7930_set_format(void *, int,
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const audio_params_t *, const audio_params_t *,
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audio_filter_reg_t *, audio_filter_reg_t *);
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int am7930_commit_settings(void *);
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int am7930_trigger_output(void *, void *, void *, int, void (*)(void *),
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void *, const audio_params_t *);
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int am7930_trigger_input(void *, void *, void *, int, void (*)(void *),
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void *, const audio_params_t *);
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int am7930_halt_output(void *);
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int am7930_halt_input(void *);
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int am7930_getdev(void *, struct audio_device *);
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int am7930_get_props(void *);
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int am7930_set_port(void *, mixer_ctrl_t *);
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int am7930_get_port(void *, mixer_ctrl_t *);
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int am7930_query_devinfo(void *, mixer_devinfo_t *);
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void am7930_get_locks(void *, kmutex_t **, kmutex_t **);
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