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