LXR linux/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 */
  19typedef 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
  29extern void pxa_set_ac97_info(pxa2xx_audio_ops_t *ops);
  30
  31#endif
  32