1 #ifndef HW_INTEL_HDA_H 2 #define HW_INTEL_HDA_H 3 4 #include "hw/qdev-core.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 67