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 | |
20 | typedef struct HDACodecBus HDACodecBus; |
21 | typedef struct HDACodecDevice HDACodecDevice; |
22 | |
23 | typedef void (*hda_codec_response_func)(HDACodecDevice *dev, |
24 | bool solicited, uint32_t response); |
25 | typedef bool (*hda_codec_xfer_func)(HDACodecDevice *dev, |
26 | uint32_t stnr, bool output, |
27 | uint8_t *buf, uint32_t len); |
28 | |
29 | struct HDACodecBus { |
30 | BusState qbus; |
31 | uint32_t next_cad; |
32 | hda_codec_response_func response; |
33 | hda_codec_xfer_func xfer; |
34 | }; |
35 | |
36 | typedef 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 | |
46 | struct HDACodecDevice { |
47 | DeviceState qdev; |
48 | uint32_t cad; /* codec address */ |
49 | }; |
50 | |
51 | void hda_codec_bus_init(DeviceState *dev, HDACodecBus *bus, size_t bus_size, |
52 | hda_codec_response_func response, |
53 | hda_codec_xfer_func xfer); |
54 | HDACodecDevice *hda_codec_find(HDACodecBus *bus, uint32_t cad); |
55 | |
56 | void hda_codec_response(HDACodecDevice *dev, bool solicited, uint32_t response); |
57 | bool 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 | |