mirror of https://gitee.com/openkylin/qemu.git
73 lines
2.7 KiB
C
73 lines
2.7 KiB
C
#ifndef HW_INTEL_HDA_H
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#define HW_INTEL_HDA_H
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#include "hw/qdev.h"
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/* --------------------------------------------------------------------- */
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/* hda bus */
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#define TYPE_HDA_CODEC_DEVICE "hda-codec"
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#define HDA_CODEC_DEVICE(obj) \
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OBJECT_CHECK(HDACodecDevice, (obj), TYPE_HDA_CODEC_DEVICE)
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#define HDA_CODEC_DEVICE_CLASS(klass) \
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OBJECT_CLASS_CHECK(HDACodecDeviceClass, (klass), TYPE_HDA_CODEC_DEVICE)
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#define HDA_CODEC_DEVICE_GET_CLASS(obj) \
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OBJECT_GET_CLASS(HDACodecDeviceClass, (obj), TYPE_HDA_CODEC_DEVICE)
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#define TYPE_HDA_BUS "HDA"
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#define HDA_BUS(obj) OBJECT_CHECK(HDACodecBus, (obj), TYPE_HDA_BUS)
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typedef struct HDACodecBus HDACodecBus;
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typedef struct HDACodecDevice HDACodecDevice;
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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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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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typedef struct HDACodecDeviceClass
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{
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DeviceClass parent_class;
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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, bool output);
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} HDACodecDeviceClass;
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struct HDACodecDevice {
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DeviceState qdev;
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uint32_t cad; /* codec address */
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};
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void hda_codec_bus_init(DeviceState *dev, HDACodecBus *bus, size_t bus_size,
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hda_codec_response_func response,
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hda_codec_xfer_func xfer);
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HDACodecDevice *hda_codec_find(HDACodecBus *bus, uint32_t cad);
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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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#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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#endif
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