include/linux/platform_data/asoc-s3c.h

   1 /*
   2  * Copyright (c) 2009 Samsung Electronics Co. Ltd
   3  * Author: Jaswinder Singh <jassi.brar@samsung.com>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  */
   9
  10 /* The machine init code calls s3c*_ac97_setup_gpio with
  11  * one of these defines in order to select appropriate bank
  12  * of GPIO for AC97 pins
  13  */
  14 #define S3C64XX_AC97_GPD  0
  15 #define S3C64XX_AC97_GPE  1
  16 extern void s3c64xx_ac97_setup_gpio(int);
  17
  18 struct samsung_i2s {
  19 /* If the Primary DAI has 5.1 Channels */
  20 #define QUIRK_PRI_6CHAN         (1 << 0)
  21 /* If the I2S block has a Stereo Overlay Channel */
  22 #define QUIRK_SEC_DAI           (1 << 1)
  23 /*
  24  * If the I2S block has no internal prescalar or MUX (I2SMOD[10] bit)
  25  * The Machine driver must provide suitably set clock to the I2S block.
  26  */
  27 #define QUIRK_NO_MUXPSR         (1 << 2)
  28 #define QUIRK_NEED_RSTCLR       (1 << 3)
  29 #define QUIRK_SUPPORTS_TDM      (1 << 4)
  30 #define QUIRK_SUPPORTS_IDMA     (1 << 5)
  31         /* Quirks of the I2S controller */
  32         u32 quirks;
  33         dma_addr_t idma_addr;
  34 };
  35
  36 /**
  37  * struct s3c_audio_pdata - common platform data for audio device drivers
  38  * @cfg_gpio: Callback function to setup mux'ed pins in I2S/PCM/AC97 mode
  39  */
  40 struct s3c_audio_pdata {
  41         int (*cfg_gpio)(struct platform_device *);
  42         union {
  43                 struct samsung_i2s i2s;
  44         } type;
  45 };