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 **);
95