am7930var.h

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    1 /*      $NetBSD: am7930var.h,v 1.15 2020/09/12 05:19:16 isaki Exp $     */
    2 
    3 struct am7930_softc;
    4 
    5 struct am7930_glue {
    6         uint8_t (*codec_dread)(struct am7930_softc *sc, int);
    7         void    (*codec_dwrite)(struct am7930_softc *sc, int, uint8_t);
    8 };
    9 
   10 struct am7930_buf {
   11         uint8_t *start;
   12         uint8_t *end;
   13         uint8_t *data;
   14         uint8_t *blkend;
   15         uint blksize;
   16 
   17         void (*intr)(void *);
   18         void *arg;
   19         uint intr_pending;
   20 };
   21 
   22 struct am7930_softc {
   23         device_t sc_dev;        /* base device */
   24 
   25         uint8_t sc_rlevel;      /* record level */
   26         uint8_t sc_plevel;      /* play level */
   27         uint8_t sc_mlevel;      /* monitor level */
   28         uint8_t sc_out_port;    /* output port */
   29         uint8_t sc_mic_mute;
   30 
   31         struct am7930_glue *sc_glue;
   32         struct am7930_buf sc_p; /* for play */
   33         struct am7930_buf sc_r; /* for rec */
   34 
   35         kmutex_t sc_lock;
   36         kmutex_t sc_intr_lock;
   37         void *sc_sicookie;              /* softint(9) cookie */
   38         struct evcnt sc_intrcnt;        /* statistics */
   39 };
   40 
   41 extern int     am7930debug;
   42 
   43 void    am7930_init(struct am7930_softc *, int);
   44 int     am7930_hwintr(void *);
   45 void    am7930_swintr(void *);
   46 
   47 /* direct access functions */
   48 #define AM7930_DWRITE(x,y,z)    (*(x)->sc_glue->codec_dwrite)((x),(y),(z))
   49 #define AM7930_DREAD(x,y)       (*(x)->sc_glue->codec_dread)((x),(y))
   50 
   51 
   52 #define AUDIOAMD_POLL_MODE      0
   53 #define AUDIOAMD_DMA_MODE       1
   54 
   55 /*
   56  * audio channel definitions.
   57  */
   58 
   59 #define AUDIOAMD_SPEAKER_VOL    0       /* speaker volume */
   60 #define AUDIOAMD_HEADPHONES_VOL 1       /* headphones volume */
   61 #define AUDIOAMD_OUTPUT_CLASS   2
   62 
   63 #define AUDIOAMD_MONITOR_VOL    3       /* monitor input volume */
   64 #define AUDIOAMD_MONITOR_OUTPUT 4       /* output selector */
   65 #define AUDIOAMD_MONITOR_CLASS  5
   66 
   67 #define AUDIOAMD_MIC_VOL        6       /* microphone volume */
   68 #define AUDIOAMD_MIC_MUTE       7
   69 #define AUDIOAMD_INPUT_CLASS    8
   70 
   71 #define AUDIOAMD_RECORD_SOURCE  9       /* source selector */
   72 #define AUDIOAMD_RECORD_CLASS   10
   73 
   74 /*
   75  * audio(9) MI callbacks from upper-level audio layer.
   76  */
   77 
   78 int     am7930_query_format(void *, audio_format_query_t *);
   79 int     am7930_set_format(void *, int,
   80             const audio_params_t *, const audio_params_t *,
   81             audio_filter_reg_t *, audio_filter_reg_t *);
   82 int     am7930_commit_settings(void *);
   83 int     am7930_trigger_output(void *, void *, void *, int, void (*)(void *),
   84             void *, const audio_params_t *);
   85 int     am7930_trigger_input(void *, void *, void *, int, void (*)(void *),
   86             void *, const audio_params_t *);
   87 int     am7930_halt_output(void *);
   88 int     am7930_halt_input(void *);
   89 int     am7930_getdev(void *, struct audio_device *);
   90 int     am7930_get_props(void *);
   91 int     am7930_set_port(void *, mixer_ctrl_t *);
   92 int     am7930_get_port(void *, mixer_ctrl_t *);
   93 int     am7930_query_devinfo(void *, mixer_devinfo_t *);
   94 void    am7930_get_locks(void *, kmutex_t **, kmutex_t **);

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FreeBSD/Linux Kernel Cross Reference sys/dev/ic/am7930var.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/am7930var.h