include/sound/pxa2xx-lib.h

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