arch/arm/mach-pxa/include/mach/audio.h

   1 #ifndef __ASM_ARCH_AUDIO_H__
   2 #define __ASM_ARCH_AUDIO_H__
   3
   4 #include <sound/core.h>
   5 #include <sound/pcm.h>
   6 #include <sound/ac97_codec.h>
   7
   8 /*
   9  * @reset_gpio: AC97 reset gpio (normally gpio113 or gpio95)
  10  *              a -1 value means no gpio will be used for reset
  11  * @codec_pdata: AC97 codec platform_data
  12
  13  * reset_gpio should only be specified for pxa27x CPUs where a silicon
  14  * bug prevents correct operation of the reset line. If not specified,
  15  * the default behaviour on these CPUs is to consider gpio 113 as the
  16  * AC97 reset line, which is the default on most boards.
  17  */
  18 typedef struct {
  19         int (*startup)(struct snd_pcm_substream *, void *);
  20         void (*shutdown)(struct snd_pcm_substream *, void *);
  21         void (*suspend)(void *);
  22         void (*resume)(void *);
  23         void *priv;
  24         int reset_gpio;
  25         void *codec_pdata[AC97_BUS_MAX_DEVICES];
  26 } pxa2xx_audio_ops_t;
  27
  28 extern void pxa_set_ac97_info(pxa2xx_audio_ops_t *ops);
  29
  30 #endif