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