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

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __ASM_ARCH_AUDIO_H__
   3 #define __ASM_ARCH_AUDIO_H__
   4
   5 #include <sound/core.h>
   6 #include <sound/pcm.h>
   7 #include <sound/ac97_codec.h>
   8
   9 /*
  10  * @reset_gpio: AC97 reset gpio (normally gpio113 or gpio95)
  11  *              a -1 value means no gpio will be used for reset
  12  * @codec_pdata: AC97 codec platform_data
  13
  14  * reset_gpio should only be specified for pxa27x CPUs where a silicon
  15  * bug prevents correct operation of the reset line. If not specified,
  16  * the default behaviour on these CPUs is to consider gpio 113 as the
  17  * AC97 reset line, which is the default on most boards.
  18  */
  19 typedef struct {
  20         int (*startup)(struct snd_pcm_substream *, void *);
  21         void (*shutdown)(struct snd_pcm_substream *, void *);
  22         void (*suspend)(void *);
  23         void (*resume)(void *);
  24         void *priv;
  25         int reset_gpio;
  26         void *codec_pdata[AC97_BUS_MAX_DEVICES];
  27 } pxa2xx_audio_ops_t;
  28
  29 extern void pxa_set_ac97_info(pxa2xx_audio_ops_t *ops);
  30
  31 #endif