| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #ifndef PXA2XX_LIB_H |
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| 3 | #define PXA2XX_LIB_H |
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| 4 | |
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| 5 | #include <uapi/sound/asound.h> |
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| 6 | #include <linux/platform_device.h> |
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| 7 | |
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| 8 | /* PCM */ |
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| 9 | struct snd_pcm_substream; |
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| 10 | struct snd_pcm_hw_params; |
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| 11 | struct snd_soc_pcm_runtime; |
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| 12 | struct snd_pcm; |
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| 13 | struct snd_soc_component; |
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| 14 | |
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| 15 | extern int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream, |
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| 16 | struct snd_pcm_hw_params *params); |
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| 17 | extern int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd); |
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| 18 | extern snd_pcm_uframes_t pxa2xx_pcm_pointer(struct snd_pcm_substream *substream); |
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| 19 | extern int pxa2xx_pcm_prepare(struct snd_pcm_substream *substream); |
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| 20 | extern int pxa2xx_pcm_open(struct snd_pcm_substream *substream); |
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| 21 | extern int pxa2xx_pcm_close(struct snd_pcm_substream *substream); |
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| 22 | extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm); |
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| 23 | extern int pxa2xx_soc_pcm_new(struct snd_soc_component *component, |
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| 24 | struct snd_soc_pcm_runtime *rtd); |
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| 25 | extern int pxa2xx_soc_pcm_open(struct snd_soc_component *component, |
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| 26 | struct snd_pcm_substream *substream); |
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| 27 | extern int pxa2xx_soc_pcm_close(struct snd_soc_component *component, |
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| 28 | struct snd_pcm_substream *substream); |
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| 29 | extern int pxa2xx_soc_pcm_hw_params(struct snd_soc_component *component, |
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| 30 | struct snd_pcm_substream *substream, |
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| 31 | struct snd_pcm_hw_params *params); |
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| 32 | extern int pxa2xx_soc_pcm_prepare(struct snd_soc_component *component, |
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| 33 | struct snd_pcm_substream *substream); |
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| 34 | extern int pxa2xx_soc_pcm_trigger(struct snd_soc_component *component, |
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| 35 | struct snd_pcm_substream *substream, int cmd); |
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| 36 | extern snd_pcm_uframes_t |
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| 37 | pxa2xx_soc_pcm_pointer(struct snd_soc_component *component, |
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| 38 | struct snd_pcm_substream *substream); |
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| 39 | |
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| 40 | /* AC97 */ |
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| 41 | |
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| 42 | extern int pxa2xx_ac97_read(int slot, unsigned short reg); |
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| 43 | extern int pxa2xx_ac97_write(int slot, unsigned short reg, unsigned short val); |
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| 44 | |
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| 45 | extern bool pxa2xx_ac97_try_warm_reset(void); |
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| 46 | extern bool pxa2xx_ac97_try_cold_reset(void); |
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| 47 | extern void pxa2xx_ac97_finish_reset(void); |
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| 48 | |
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| 49 | extern int pxa2xx_ac97_hw_suspend(void); |
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| 50 | extern int pxa2xx_ac97_hw_resume(void); |
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| 51 | |
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| 52 | extern int pxa2xx_ac97_hw_probe(struct platform_device *dev); |
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| 53 | extern void pxa2xx_ac97_hw_remove(struct platform_device *dev); |
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| 54 | |
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| 55 | /* modem registers, used by touchscreen driver */ |
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| 56 | u32 pxa2xx_ac97_read_modr(void); |
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| 57 | u32 pxa2xx_ac97_read_misr(void); |
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| 58 | |
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| 59 | #endif |
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| 60 | |
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