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| author | Takashi Iwai <tiwai@suse.de> | 2012-09-21 05:29:13 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-11-28 08:47:03 +0100 |
| commit | 1d1a4564d8e0a05d56a95df08c6c411bea704bec (patch) | |
| tree | 19bfbe4c00fe3c14d3cc2696731495bb2a28c3ce /sound/pci/hda/hda_codec.h | |
| parent | Linux 3.7-rc6 (diff) | |
| download | linux-1d1a4564d8e0a05d56a95df08c6c411bea704bec.tar.xz linux-1d1a4564d8e0a05d56a95df08c6c411bea704bec.zip | |
ALSA: hda - Add new DSP loader callback routines
Pass DMA buffer pointers in calls to setup_bdle().
Add DSP loader callback routines to controller.
Add new DSP loader switch to Kconfig to turn off DSP firmware.
Signed-off-by: Ian Minett <ian_minett@creativelabs.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda/hda_codec.h')
| -rw-r--r-- | sound/pci/hda/hda_codec.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index 507fe8a917b6..c218bf41261a 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -618,6 +618,17 @@ struct hda_bus_ops { /* notify power-up/down from codec to controller */ void (*pm_notify)(struct hda_bus *bus, bool power_up); #endif +#ifdef CONFIG_SND_HDA_DSP_LOADER + /* prepare DSP transfer */ + int (*load_dsp_prepare)(struct hda_bus *bus, unsigned int format, + unsigned int byte_size, + struct snd_dma_buffer *bufp); + /* start/stop DSP transfer */ + void (*load_dsp_trigger)(struct hda_bus *bus, bool start); + /* clean up DSP transfer */ + void (*load_dsp_cleanup)(struct hda_bus *bus, + struct snd_dma_buffer *dmab); +#endif }; /* template to pass to the bus constructor */ @@ -1129,6 +1140,40 @@ static inline void snd_hda_power_sync(struct hda_codec *codec) int snd_hda_load_patch(struct hda_bus *bus, size_t size, const void *buf); #endif +#ifdef CONFIG_SND_HDA_DSP_LOADER +static inline int +snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format, + unsigned int size, + struct snd_dma_buffer *bufp) +{ + return codec->bus->ops.load_dsp_prepare(codec->bus, format, size, bufp); +} +static inline void +snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start) +{ + return codec->bus->ops.load_dsp_trigger(codec->bus, start); +} +static inline void +snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec, + struct snd_dma_buffer *dmab) +{ + return codec->bus->ops.load_dsp_cleanup(codec->bus, dmab); +} +#else +static inline int +snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format, + unsigned int size, + struct snd_dma_buffer *bufp) +{ + return 0; +} +static inline void +snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start) {} +static inline void +snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec, + struct snd_dma_buffer *dmab) {} +#endif + /* * Codec modularization */ |