1#ifndef HW_INTEL_HDA_H
2#define HW_INTEL_HDA_H
3
4#include "hw/qdev-core.h"
5
6/* --------------------------------------------------------------------- */
7/* hda bus */
8
9#define TYPE_HDA_CODEC_DEVICE "hda-codec"
10#define HDA_CODEC_DEVICE(obj) \
11 OBJECT_CHECK(HDACodecDevice, (obj), TYPE_HDA_CODEC_DEVICE)
12#define HDA_CODEC_DEVICE_CLASS(klass) \
13 OBJECT_CLASS_CHECK(HDACodecDeviceClass, (klass), TYPE_HDA_CODEC_DEVICE)
14#define HDA_CODEC_DEVICE_GET_CLASS(obj) \
15 OBJECT_GET_CLASS(HDACodecDeviceClass, (obj), TYPE_HDA_CODEC_DEVICE)
16
17#define TYPE_HDA_BUS "HDA"
18#define HDA_BUS(obj) OBJECT_CHECK(HDACodecBus, (obj), TYPE_HDA_BUS)
19
20typedef struct HDACodecBus HDACodecBus;
21typedef struct HDACodecDevice HDACodecDevice;
22
23typedef void (*hda_codec_response_func)(HDACodecDevice *dev,
24 bool solicited, uint32_t response);
25typedef bool (*hda_codec_xfer_func)(HDACodecDevice *dev,
26 uint32_t stnr, bool output,
27 uint8_t *buf, uint32_t len);
28
29struct HDACodecBus {
30 BusState qbus;
31 uint32_t next_cad;
32 hda_codec_response_func response;
33 hda_codec_xfer_func xfer;
34};
35
36typedef struct HDACodecDeviceClass
37{
38 DeviceClass parent_class;
39
40 int (*init)(HDACodecDevice *dev);
41 void (*exit)(HDACodecDevice *dev);
42 void (*command)(HDACodecDevice *dev, uint32_t nid, uint32_t data);
43 void (*stream)(HDACodecDevice *dev, uint32_t stnr, bool running, bool output);
44} HDACodecDeviceClass;
45
46struct HDACodecDevice {
47 DeviceState qdev;
48 uint32_t cad; /* codec address */
49};
50
51void hda_codec_bus_init(DeviceState *dev, HDACodecBus *bus, size_t bus_size,
52 hda_codec_response_func response,
53 hda_codec_xfer_func xfer);
54HDACodecDevice *hda_codec_find(HDACodecBus *bus, uint32_t cad);
55
56void hda_codec_response(HDACodecDevice *dev, bool solicited, uint32_t response);
57bool hda_codec_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
58 uint8_t *buf, uint32_t len);
59
60/* --------------------------------------------------------------------- */
61
62#define dprint(_dev, _level, _fmt, ...) \
63 do { \
64 if (_dev->debug >= _level) { \
65 fprintf(stderr, "%s: ", _dev->name); \
66 fprintf(stderr, _fmt, ## __VA_ARGS__); \
67 } \
68 } while (0)
69
70/* --------------------------------------------------------------------- */
71
72#endif
73