d61a4ce8f0
This patch adds three devices to qemu: intel-hda Intel HD Audio Controller, the PCI device. Provides a HDA bus. Emulates ICH6 at the moment. Adding a ICH9 PCIE variant shouldn't be hard. hda-duplex HDA Codec. Attaches to the HDA bus. Supports 16bit stereo, rates 16k -> 96k, playback, recording and volume control (with CONFIG_MIXEMU=y). hda-output HDA Codec without recording support. Subset of the hda-duplex codec. Use this if you don't want your guests access your mic. Usage: add '-device intel-hda -device hda-duplex' to your command line. Tested guests: * Linux works. * Win7 works. * DOS (mpxplay) works. * WinXP doesn't work. [ v2 changes ] * Fixed endianess, big endian hosts work now. * Fixed some emulation bugs. * Added immediate command emulation. * Added vmstate support. * Make it behave like all other sound card drivers: - can be configured via '--audio-card-list=hda' - can be added to a VM using '-soundhw hda' * Code style fixups. * Zapped guest-triggerable asserts. * Handle partial reads/writes of audio data correctly. Cc: malc <av1474@comtv.ru> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: malc <av1474@comtv.ru>
62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
#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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void (*command)(HDACodecDevice *dev, uint32_t nid, uint32_t data);
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void (*stream)(HDACodecDevice *dev, uint32_t stnr, bool running);
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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
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