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  * The machine init code calls s5p*_spdif_setup_gpio with
  21  * one of these defines in order to select appropriate bank
  22  * of GPIO for S/PDIF pins
  23  */
  24 #define S5PC100_SPDIF_GPD  0
  25 #define S5PC100_SPDIF_GPG3 1
  26 extern void s5pc100_spdif_setup_gpio(int);
  27
  28 struct samsung_i2s {
  29 /* If the Primary DAI has 5.1 Channels */
  30 #define QUIRK_PRI_6CHAN         (1 << 0)
  31 /* If the I2S block has a Stereo Overlay Channel */
  32 #define QUIRK_SEC_DAI           (1 << 1)
  33 /*
  34  * If the I2S block has no internal prescalar or MUX (I2SMOD[10] bit)
  35  * The Machine driver must provide suitably set clock to the I2S block.
  36  */
  37 #define QUIRK_NO_MUXPSR         (1 << 2)
  38 #define QUIRK_NEED_RSTCLR       (1 << 3)
  39         /* Quirks of the I2S controller */
  40         u32 quirks;
  41
  42         /*
  43          * Array of clock names that can be used to generate I2S signals.
  44          * Also corresponds to clocks of I2SMOD[10]
  45          */
  46         const char **src_clk;
  47         dma_addr_t idma_addr;
  48 };
  49
  50 /**
  51  * struct s3c_audio_pdata - common platform data for audio device drivers
  52  * @cfg_gpio: Callback function to setup mux'ed pins in I2S/PCM/AC97 mode
  53  */
  54 struct s3c_audio_pdata {
  55         int (*cfg_gpio)(struct platform_device *);
  56         union {
  57                 struct samsung_i2s i2s;
  58         } type;
  59 };