diff options
author | 2015-08-28 09:58:54 +0800 | |
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committer | 2015-09-01 12:44:00 +0800 | |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/hw/audio/intel-hda.h | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/hw/audio/intel-hda.h')
-rw-r--r-- | qemu/hw/audio/intel-hda.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/qemu/hw/audio/intel-hda.h b/qemu/hw/audio/intel-hda.h new file mode 100644 index 000000000..d784bcf5f --- /dev/null +++ b/qemu/hw/audio/intel-hda.h @@ -0,0 +1,72 @@ +#ifndef HW_INTEL_HDA_H +#define HW_INTEL_HDA_H + +#include "hw/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, size_t bus_size, + 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 |