The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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

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    1 /*      $NetBSD: am7930var.h,v 1.7 2000/05/02 06:30:51 augustss 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         void    (*input_conv) __P((void *, u_int8_t *, int));
   14         void    (*output_conv) __P((void *, u_int8_t *, int));
   15 };
   16 
   17 struct am7930_softc {
   18         struct  device sc_dev;          /* base device */
   19 
   20         int     sc_open;                /* single use device */
   21         int     sc_locked;              /* true when transfering data */
   22 
   23         u_int8_t        sc_rlevel;      /* record level */
   24         u_int8_t        sc_plevel;      /* play level */
   25         u_int8_t        sc_mlevel;      /* monitor level */
   26         u_int8_t        sc_out_port;    /* output port */
   27         u_int8_t        sc_mic_mute;
   28 
   29         struct am7930_glue *sc_glue;
   30 };
   31 
   32 extern int     am7930debug;
   33 
   34 void    am7930_init __P((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 
   67 struct audio_device;
   68 struct audio_encoding;
   69 struct audio_params;
   70 
   71 int     am7930_open __P((void *, int));
   72 void    am7930_close __P((void *));
   73 int     am7930_query_encoding __P((void *, struct audio_encoding *));
   74 int     am7930_set_params __P((void *, int, int, struct audio_params *,
   75                             struct audio_params *));
   76 int     am7930_commit_settings __P((void *));
   77 int     am7930_round_blocksize __P((void *, int));
   78 int     am7930_halt_output __P((void *));
   79 int     am7930_halt_input __P((void *));
   80 int     am7930_getdev __P((void *, struct audio_device *));
   81 int     am7930_get_props __P((void *));
   82 int     am7930_set_port __P((void *, mixer_ctrl_t *));
   83 int     am7930_get_port __P((void *, mixer_ctrl_t *));
   84 int     am7930_query_devinfo __P((void *, mixer_devinfo_t *));

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