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
  17 #include <linux/dmaengine.h>
  18
  19 extern void s3c64xx_ac97_setup_gpio(int);
  20
  21 struct samsung_i2s {
  22 /* If the Primary DAI has 5.1 Channels */
  23 #define QUIRK_PRI_6CHAN         (1 << 0)
  24 /* If the I2S block has a Stereo Overlay Channel */
  25 #define QUIRK_SEC_DAI           (1 << 1)
  26 /*
  27  * If the I2S block has no internal prescalar or MUX (I2SMOD[10] bit)
  28  * The Machine driver must provide suitably set clock to the I2S block.
  29  */
  30 #define QUIRK_NO_MUXPSR         (1 << 2)
  31 #define QUIRK_NEED_RSTCLR       (1 << 3)
  32 #define QUIRK_SUPPORTS_TDM      (1 << 4)
  33 #define QUIRK_SUPPORTS_IDMA     (1 << 5)
  34         /* Quirks of the I2S controller */
  35         u32 quirks;
  36         dma_addr_t idma_addr;
  37 };
  38
  39 /**
  40  * struct s3c_audio_pdata - common platform data for audio device drivers
  41  * @cfg_gpio: Callback function to setup mux'ed pins in I2S/PCM/AC97 mode
  42  */
  43 struct s3c_audio_pdata {
  44         int (*cfg_gpio)(struct platform_device *);
  45         dma_filter_fn dma_filter;
  46         void *dma_playback;
  47         void *dma_capture;
  48         void *dma_play_sec;
  49         void *dma_capture_mic;
  50         union {
  51                 struct samsung_i2s i2s;
  52         } type;
  53 };