1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __SOC_PXA_AUDIO_H__
3 #define __SOC_PXA_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 extern void pxa27x_configure_ac97reset(int reset_gpio, bool to_gpio);
31
32 #endif
33
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