sys/dev/ic/am7930var.h

   1 /*      $NetBSD: am7930var.h,v 1.7.28.4 2005/01/17 19:30:39 skrll Exp $ */
   2
   3 struct am7930_softc;
   4
   5 struct 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
  17 struct am7930_softc {
  18         struct  device 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
  29 extern int     am7930debug;
  30
  31 void    am7930_init(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(void *, int);
  69 void    am7930_close(void *);
  70 int     am7930_query_encoding(void *, struct audio_encoding *);
  71 int     am7930_set_params(void *, int, int, audio_params_t *,
  72             audio_params_t *, stream_filter_list_t *, stream_filter_list_t *);
  73 int     am7930_commit_settings(void *);
  74 int     am7930_round_blocksize(void *, int, int, const audio_params_t *);
  75 int     am7930_halt_output(void *);
  76 int     am7930_halt_input(void *);
  77 int     am7930_getdev(void *, struct audio_device *);
  78 int     am7930_get_props(void *);
  79 int     am7930_set_port(void *, mixer_ctrl_t *);
  80 int     am7930_get_port(void *, mixer_ctrl_t *);
  81 int     am7930_query_devinfo(void *, mixer_devinfo_t *);