LXR qemu/hw/audio/intel-hda.h

   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
  20typedef struct HDACodecBus HDACodecBus;
  21typedef struct HDACodecDevice HDACodecDevice;
  22
  23typedef void (*hda_codec_response_func)(HDACodecDevice *dev,
  24                                        bool solicited, uint32_t response);
  25typedef bool (*hda_codec_xfer_func)(HDACodecDevice *dev,
  26                                    uint32_t stnr, bool output,
  27                                    uint8_t *buf, uint32_t len);
  28
  29struct HDACodecBus {
  30    BusState qbus;
  31    uint32_t next_cad;
  32    hda_codec_response_func response;
  33    hda_codec_xfer_func xfer;
  34};
  35
  36typedef 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
  46struct HDACodecDevice {
  47    DeviceState         qdev;
  48    uint32_t            cad;    /* codec address */
  49};
  50
  51void hda_codec_bus_init(DeviceState *dev, HDACodecBus *bus, size_t bus_size,
  52                        hda_codec_response_func response,
  53                        hda_codec_xfer_func xfer);
  54HDACodecDevice *hda_codec_find(HDACodecBus *bus, uint32_t cad);
  55
  56void hda_codec_response(HDACodecDevice *dev, bool solicited, uint32_t response);
  57bool 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