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Diffstat (limited to '')
| -rw-r--r-- | include/sound/pxa2xx-lib.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/include/sound/pxa2xx-lib.h b/include/sound/pxa2xx-lib.h new file mode 100644 index 000000000..6758fc12f --- /dev/null +++ b/include/sound/pxa2xx-lib.h @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef PXA2XX_LIB_H +#define PXA2XX_LIB_H + +#include <uapi/sound/asound.h> +#include <linux/platform_device.h> + +/* PCM */ +struct snd_pcm_substream; +struct snd_pcm_hw_params; +struct snd_soc_pcm_runtime; +struct snd_pcm; + +extern int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params); +extern int pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream); +extern int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd); +extern snd_pcm_uframes_t pxa2xx_pcm_pointer(struct snd_pcm_substream *substream); +extern int pxa2xx_pcm_prepare(struct snd_pcm_substream *substream); +extern int pxa2xx_pcm_open(struct snd_pcm_substream *substream); +extern int pxa2xx_pcm_close(struct snd_pcm_substream *substream); +extern int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream, + struct vm_area_struct *vma); +extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream); +extern void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm); +extern int pxa2xx_soc_pcm_new(struct snd_soc_pcm_runtime *rtd); +extern const struct snd_pcm_ops pxa2xx_pcm_ops; + +/* AC97 */ + +extern int pxa2xx_ac97_read(int slot, unsigned short reg); +extern int pxa2xx_ac97_write(int slot, unsigned short reg, unsigned short val); + +extern bool pxa2xx_ac97_try_warm_reset(void); +extern bool pxa2xx_ac97_try_cold_reset(void); +extern void pxa2xx_ac97_finish_reset(void); + +extern int pxa2xx_ac97_hw_suspend(void); +extern int pxa2xx_ac97_hw_resume(void); + +extern int pxa2xx_ac97_hw_probe(struct platform_device *dev); +extern void pxa2xx_ac97_hw_remove(struct platform_device *dev); + +#endif |