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

   1#ifndef HW_INTEL_HDA_H
   2#define HW_INTEL_HDA_H
   3
   4#include "hw/qdev-core.h"
   5#include "qom/object.h"
   6
   7/* --------------------------------------------------------------------- */
   8/* hda bus                                                               */
   9
  10#define TYPE_HDA_CODEC_DEVICE "hda-codec"
  11OBJECT_DECLARE_TYPE(HDACodecDevice, HDACodecDeviceClass,
  12                    HDA_CODEC_DEVICE)
  13
  14#define TYPE_HDA_BUS "HDA"
  15OBJECT_DECLARE_SIMPLE_TYPE(HDACodecBus, HDA_BUS)
  16
  17
  18typedef void (*hda_codec_response_func)(HDACodecDevice *dev,
  19                                        bool solicited, uint32_t response);
  20typedef bool (*hda_codec_xfer_func)(HDACodecDevice *dev,
  21                                    uint32_t stnr, bool output,
  22                                    uint8_t *buf, uint32_t len);
  23
  24struct HDACodecBus {
  25    BusState qbus;
  26    uint32_t next_cad;
  27    hda_codec_response_func response;
  28    hda_codec_xfer_func xfer;
  29};
  30
  31struct HDACodecDeviceClass {
  32    DeviceClass parent_class;
  33
  34    int (*init)(HDACodecDevice *dev);
  35    void (*exit)(HDACodecDevice *dev);
  36    void (*command)(HDACodecDevice *dev, uint32_t nid, uint32_t data);
  37    void (*stream)(HDACodecDevice *dev, uint32_t stnr, bool running, bool output);
  38};
  39
  40struct HDACodecDevice {
  41    DeviceState         qdev;
  42    uint32_t            cad;    /* codec address */
  43};
  44
  45void hda_codec_bus_init(DeviceState *dev, HDACodecBus *bus, size_t bus_size,
  46                        hda_codec_response_func response,
  47                        hda_codec_xfer_func xfer);
  48HDACodecDevice *hda_codec_find(HDACodecBus *bus, uint32_t cad);
  49
  50void hda_codec_response(HDACodecDevice *dev, bool solicited, uint32_t response);
  51bool hda_codec_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
  52                    uint8_t *buf, uint32_t len);
  53
  54/* --------------------------------------------------------------------- */
  55
  56#define dprint(_dev, _level, _fmt, ...)                                 \
  57    do {                                                                \
  58        if (_dev->debug >= _level) {                                    \
  59            fprintf(stderr, "%s: ", _dev->name);                        \
  60            fprintf(stderr, _fmt, ## __VA_ARGS__);                      \
  61        }                                                               \
  62    } while (0)
  63
  64/* --------------------------------------------------------------------- */
  65
  66#endif
  67