| 1 | #ifndef PXA2XX_LIB_H
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| 2 | #define PXA2XX_LIB_H
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| 3 |
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| 4 | #include <linux/platform_device.h>
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| 5 | #include <sound/ac97_codec.h>
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| 6 |
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| 7 | /* PCM */
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| 8 |
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| 9 | struct pxa2xx_pcm_dma_params {
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| 10 | char *name; /* stream identifier */
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| 11 | u32 dcmd; /* DMA descriptor dcmd field */
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| 12 | volatile u32 *drcmr; /* the DMA request channel to use */
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| 13 | u32 dev_addr; /* device physical address for DMA */
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| 14 | };
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| 15 |
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| 16 | extern int __pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
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| 17 | struct snd_pcm_hw_params *params);
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| 18 | extern int __pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream);
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| 19 | extern int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd);
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| 20 | extern snd_pcm_uframes_t pxa2xx_pcm_pointer(struct snd_pcm_substream *substream);
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| 21 | extern int __pxa2xx_pcm_prepare(struct snd_pcm_substream *substream);
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| 22 | extern void pxa2xx_pcm_dma_irq(int dma_ch, void *dev_id);
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| 23 | extern int __pxa2xx_pcm_open(struct snd_pcm_substream *substream);
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| 24 | extern int __pxa2xx_pcm_close(struct snd_pcm_substream *substream);
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| 25 | extern int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream,
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| 26 | struct vm_area_struct *vma);
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| 27 | extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream);
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| 28 | extern void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm);
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| 29 |
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| 30 | /* AC97 */
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| 31 |
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| 32 | extern unsigned short pxa2xx_ac97_read(struct snd_ac97 *ac97, unsigned short reg);
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| 33 | extern void pxa2xx_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val);
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| 34 |
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| 35 | extern bool pxa2xx_ac97_try_warm_reset(struct snd_ac97 *ac97);
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| 36 | extern bool pxa2xx_ac97_try_cold_reset(struct snd_ac97 *ac97);
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| 37 | extern void pxa2xx_ac97_finish_reset(struct snd_ac97 *ac97);
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| 38 |
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| 39 | extern int pxa2xx_ac97_hw_suspend(void);
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| 40 | extern int pxa2xx_ac97_hw_resume(void);
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| 41 |
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| 42 | extern int pxa2xx_ac97_hw_probe(struct platform_device *dev);
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| 43 | extern void pxa2xx_ac97_hw_remove(struct platform_device *dev);
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| 44 |
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| 45 | #endif
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