release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/plat-samsung/include/plat/audio.h

   1 /* arch/arm/plat-samsung/include/plat/audio.h
   2  *
   3  * Copyright (c) 2009 Samsung Electronics Co. Ltd
   4  * Author: Jaswinder Singh <jassi.brar@samsung.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 /* The machine init code calls s3c*_ac97_setup_gpio with
  12  * one of these defines in order to select appropriate bank
  13  * of GPIO for AC97 pins
  14  */
  15 #define S3C64XX_AC97_GPD  0
  16 #define S3C64XX_AC97_GPE  1
  17 extern void s3c64xx_ac97_setup_gpio(int);
  18
  19 /**
  20  * struct s3c_audio_pdata - common platform data for audio device drivers
  21  * @cfg_gpio: Callback function to setup mux'ed pins in I2S/PCM/AC97 mode
  22  */
  23 struct s3c_audio_pdata {
  24         int (*cfg_gpio)(struct platform_device *);
  25 };