forked from Minki/linux
7f2da3d76b
Now with the recent addition of WC buffer allocation support, we can use the standard PCM buffer allocation helpers for pxa2xx drivers. This allows us to remove lots of superfluous code. Cc: Daniel Mack <daniel@zonque.org> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Acked-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20210802072815.13551-6-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
56 lines
2.1 KiB
C
56 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef PXA2XX_LIB_H
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#define PXA2XX_LIB_H
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#include <uapi/sound/asound.h>
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#include <linux/platform_device.h>
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/* PCM */
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struct snd_pcm_substream;
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struct snd_pcm_hw_params;
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struct snd_soc_pcm_runtime;
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struct snd_pcm;
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struct snd_soc_component;
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extern int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params);
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extern int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd);
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extern snd_pcm_uframes_t pxa2xx_pcm_pointer(struct snd_pcm_substream *substream);
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extern int pxa2xx_pcm_prepare(struct snd_pcm_substream *substream);
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extern int pxa2xx_pcm_open(struct snd_pcm_substream *substream);
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extern int pxa2xx_pcm_close(struct snd_pcm_substream *substream);
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extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm);
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extern int pxa2xx_soc_pcm_new(struct snd_soc_component *component,
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struct snd_soc_pcm_runtime *rtd);
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extern int pxa2xx_soc_pcm_open(struct snd_soc_component *component,
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struct snd_pcm_substream *substream);
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extern int pxa2xx_soc_pcm_close(struct snd_soc_component *component,
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struct snd_pcm_substream *substream);
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extern int pxa2xx_soc_pcm_hw_params(struct snd_soc_component *component,
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struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params);
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extern int pxa2xx_soc_pcm_prepare(struct snd_soc_component *component,
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struct snd_pcm_substream *substream);
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extern int pxa2xx_soc_pcm_trigger(struct snd_soc_component *component,
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struct snd_pcm_substream *substream, int cmd);
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extern snd_pcm_uframes_t
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pxa2xx_soc_pcm_pointer(struct snd_soc_component *component,
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struct snd_pcm_substream *substream);
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/* AC97 */
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extern int pxa2xx_ac97_read(int slot, unsigned short reg);
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extern int pxa2xx_ac97_write(int slot, unsigned short reg, unsigned short val);
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extern bool pxa2xx_ac97_try_warm_reset(void);
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extern bool pxa2xx_ac97_try_cold_reset(void);
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extern void pxa2xx_ac97_finish_reset(void);
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extern int pxa2xx_ac97_hw_suspend(void);
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extern int pxa2xx_ac97_hw_resume(void);
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extern int pxa2xx_ac97_hw_probe(struct platform_device *dev);
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extern void pxa2xx_ac97_hw_remove(struct platform_device *dev);
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#endif
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