Statistics
| Branch: | Revision:

root / hw / intel-hda.h @ dc4b9240

History | View | Annotate | Download (2.3 kB)

1
#ifndef HW_INTEL_HDA_H
2
#define HW_INTEL_HDA_H
3

    
4
#include "qdev.h"
5

    
6
/* --------------------------------------------------------------------- */
7
/* hda bus                                                               */
8

    
9
typedef struct HDACodecBus HDACodecBus;
10
typedef struct HDACodecDevice HDACodecDevice;
11
typedef struct HDACodecDeviceInfo HDACodecDeviceInfo;
12

    
13
typedef void (*hda_codec_response_func)(HDACodecDevice *dev,
14
                                        bool solicited, uint32_t response);
15
typedef bool (*hda_codec_xfer_func)(HDACodecDevice *dev,
16
                                    uint32_t stnr, bool output,
17
                                    uint8_t *buf, uint32_t len);
18

    
19
struct HDACodecBus {
20
    BusState qbus;
21
    uint32_t next_cad;
22
    hda_codec_response_func response;
23
    hda_codec_xfer_func xfer;
24
};
25

    
26
struct HDACodecDevice {
27
    DeviceState         qdev;
28
    HDACodecDeviceInfo  *info;
29
    uint32_t            cad;    /* codec address */
30
};
31

    
32
struct HDACodecDeviceInfo {
33
    DeviceInfo qdev;
34
    int (*init)(HDACodecDevice *dev);
35
    int (*exit)(HDACodecDevice *dev);
36
    void (*command)(HDACodecDevice *dev, uint32_t nid, uint32_t data);
37
    void (*stream)(HDACodecDevice *dev, uint32_t stnr, bool running);
38
};
39

    
40
void hda_codec_bus_init(DeviceState *dev, HDACodecBus *bus,
41
                        hda_codec_response_func response,
42
                        hda_codec_xfer_func xfer);
43
void hda_codec_register(HDACodecDeviceInfo *info);
44
HDACodecDevice *hda_codec_find(HDACodecBus *bus, uint32_t cad);
45

    
46
void hda_codec_response(HDACodecDevice *dev, bool solicited, uint32_t response);
47
bool hda_codec_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
48
                    uint8_t *buf, uint32_t len);
49

    
50
/* --------------------------------------------------------------------- */
51

    
52
#define dprint(_dev, _level, _fmt, ...)                                 \
53
    do {                                                                \
54
        if (_dev->debug >= _level) {                                    \
55
            fprintf(stderr, "%s: ", _dev->name);                        \
56
            fprintf(stderr, _fmt, ## __VA_ARGS__);                      \
57
        }                                                               \
58
    } while (0)
59

    
60
/* --------------------------------------------------------------------- */
61

    
62
#endif