63 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			63 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
| #ifndef HW_INTEL_HDA_H
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| #define HW_INTEL_HDA_H
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| 
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| #include "qdev.h"
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| 
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| /* --------------------------------------------------------------------- */
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| /* hda bus                                                               */
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| 
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| typedef struct HDACodecBus HDACodecBus;
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| typedef struct HDACodecDevice HDACodecDevice;
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| typedef struct HDACodecDeviceInfo HDACodecDeviceInfo;
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| 
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| typedef void (*hda_codec_response_func)(HDACodecDevice *dev,
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|                                         bool solicited, uint32_t response);
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| typedef bool (*hda_codec_xfer_func)(HDACodecDevice *dev,
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|                                     uint32_t stnr, bool output,
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|                                     uint8_t *buf, uint32_t len);
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| 
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| struct HDACodecBus {
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|     BusState qbus;
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|     uint32_t next_cad;
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|     hda_codec_response_func response;
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|     hda_codec_xfer_func xfer;
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| };
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| 
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| struct HDACodecDevice {
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|     DeviceState         qdev;
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|     HDACodecDeviceInfo  *info;
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|     uint32_t            cad;    /* codec address */
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| };
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| 
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| struct HDACodecDeviceInfo {
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|     DeviceInfo qdev;
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|     int (*init)(HDACodecDevice *dev);
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|     int (*exit)(HDACodecDevice *dev);
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|     void (*command)(HDACodecDevice *dev, uint32_t nid, uint32_t data);
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|     void (*stream)(HDACodecDevice *dev, uint32_t stnr, bool running);
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| };
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| 
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| void hda_codec_bus_init(DeviceState *dev, HDACodecBus *bus,
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|                         hda_codec_response_func response,
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|                         hda_codec_xfer_func xfer);
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| void hda_codec_register(HDACodecDeviceInfo *info);
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| HDACodecDevice *hda_codec_find(HDACodecBus *bus, uint32_t cad);
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| 
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| void hda_codec_response(HDACodecDevice *dev, bool solicited, uint32_t response);
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| bool hda_codec_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
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|                     uint8_t *buf, uint32_t len);
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| 
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| /* --------------------------------------------------------------------- */
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| 
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| #define dprint(_dev, _level, _fmt, ...)                                 \
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|     do {                                                                \
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|         if (_dev->debug >= _level) {                                    \
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|             fprintf(stderr, "%s: ", _dev->name);                        \
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|             fprintf(stderr, _fmt, ## __VA_ARGS__);                      \
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|         }                                                               \
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|     } while (0)
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| 
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| /* --------------------------------------------------------------------- */
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| 
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| #endif
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