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