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Viewing changes to hw/intel-hda.h

  • Committer: Al Stone
  • Date: 2012-02-09 01:17:20 UTC
  • Revision ID: albert.stone@canonical.com-20120209011720-tztl7ik3qayz80p4
first commit to bzr for qemu

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hw/intel-hda.h
 
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#ifndef HW_INTEL_HDA_H
 
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#define HW_INTEL_HDA_H
 
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#include "qdev.h"
 
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/* --------------------------------------------------------------------- */
 
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/* hda bus                                                               */
 
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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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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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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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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, bool output);
 
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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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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