linux/platform_data/asoc-pxa.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef __SOC_PXA_AUDIO_H__
0003 #define __SOC_PXA_AUDIO_H__
0004
0005 #include <sound/core.h>
0006 #include <sound/pcm.h>
0007 #include <sound/ac97_codec.h>
0008
0009 /*
0010  * @reset_gpio: AC97 reset gpio (normally gpio113 or gpio95)
0011  *              a -1 value means no gpio will be used for reset
0012  * @codec_pdata: AC97 codec platform_data
0013
0014  * reset_gpio should only be specified for pxa27x CPUs where a silicon
0015  * bug prevents correct operation of the reset line. If not specified,
0016  * the default behaviour on these CPUs is to consider gpio 113 as the
0017  * AC97 reset line, which is the default on most boards.
0018  */
0019 typedef struct {
0020     int (*startup)(struct snd_pcm_substream *, void *);
0021     void (*shutdown)(struct snd_pcm_substream *, void *);
0022     void (*suspend)(void *);
0023     void (*resume)(void *);
0024     void *priv;
0025     int reset_gpio;
0026     void *codec_pdata[AC97_BUS_MAX_DEVICES];
0027 } pxa2xx_audio_ops_t;
0028
0029 extern void pxa_set_ac97_info(pxa2xx_audio_ops_t *ops);
0030
0031 #endif