Archipelago » qemu

#ifndef HW_INTEL_HDA_H

#define HW_INTEL_HDA_H

#include "qdev.h"

/* --------------------------------------------------------------------- */

/* hda bus                                                               */

#define TYPE_HDA_CODEC_DEVICE "hda-codec"

#define HDA_CODEC_DEVICE(obj) \

     OBJECT_CHECK(HDACodecDevice, (obj), TYPE_HDA_CODEC_DEVICE)

#define HDA_CODEC_DEVICE_CLASS(klass) \

     OBJECT_CLASS_CHECK(HDACodecDeviceClass, (klass), TYPE_HDA_CODEC_DEVICE)

#define HDA_CODEC_DEVICE_GET_CLASS(obj) \

     OBJECT_GET_CLASS(HDACodecDeviceClass, (obj), TYPE_HDA_CODEC_DEVICE)

#define TYPE_HDA_BUS "HDA"

#define HDA_BUS(obj) OBJECT_CHECK(HDACodecBus, (obj), TYPE_HDA_BUS)

typedef struct HDACodecBus HDACodecBus;

typedef struct HDACodecDevice HDACodecDevice;

typedef void (*hda_codec_response_func)(HDACodecDevice *dev,

                                        bool solicited, uint32_t response);

typedef bool (*hda_codec_xfer_func)(HDACodecDevice *dev,

                                    uint32_t stnr, bool output,

                                    uint8_t *buf, uint32_t len);

struct HDACodecBus {

    BusState qbus;

    uint32_t next_cad;

    hda_codec_response_func response;

    hda_codec_xfer_func xfer;

};

typedef struct HDACodecDeviceClass

{

    DeviceClass parent_class;

    int (*init)(HDACodecDevice *dev);

    int (*exit)(HDACodecDevice *dev);

    void (*command)(HDACodecDevice *dev, uint32_t nid, uint32_t data);

    void (*stream)(HDACodecDevice *dev, uint32_t stnr, bool running, bool output);

} HDACodecDeviceClass;

struct HDACodecDevice {

    DeviceState         qdev;

    uint32_t            cad;    /* codec address */

};

void hda_codec_bus_init(DeviceState *dev, HDACodecBus *bus,

                        hda_codec_response_func response,

                        hda_codec_xfer_func xfer);

HDACodecDevice *hda_codec_find(HDACodecBus *bus, uint32_t cad);

void hda_codec_response(HDACodecDevice *dev, bool solicited, uint32_t response);

bool hda_codec_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,

                    uint8_t *buf, uint32_t len);

/* --------------------------------------------------------------------- */

#define dprint(_dev, _level, _fmt, ...)                                 \

    do {                                                                \

        if (_dev->debug >= _level) {                                    \

            fprintf(stderr, "%s: ", _dev->name);                        \

            fprintf(stderr, _fmt, ## __VA_ARGS__);                      \

        }                                                               \

    } while (0)

/* --------------------------------------------------------------------- */

#endif