sound/soc/davinci/davinci-mcasp.h

   1 /*
   2  * ALSA SoC McASP Audio Layer for TI DAVINCI processor
   3  *
   4  * MCASP related definitions
   5  *
   6  * Author: Nirmal Pandey <n-pandey@ti.com>,
   7  *         Suresh Rajashekara <suresh.r@ti.com>
   8  *         Steve Chen <schen@.mvista.com>
   9  *
  10  * Copyright:   (C) 2009 MontaVista Software, Inc., <source@mvista.com>
  11  * Copyright:   (C) 2009  Texas Instruments, India
  12  *
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License version 2 as
  15  * published by the Free Software Foundation.
  16  */
  17
  18 #ifndef DAVINCI_MCASP_H
  19 #define DAVINCI_MCASP_H
  20
  21 #include <linux/io.h>
  22 #include <linux/platform_data/davinci_asp.h>
  23
  24 #include "davinci-pcm.h"
  25
  26 #define DAVINCI_MCASP_RATES     SNDRV_PCM_RATE_8000_192000
  27 #define DAVINCI_MCASP_I2S_DAI   0
  28 #define DAVINCI_MCASP_DIT_DAI   1
  29
  30 struct davinci_audio_dev {
  31         struct davinci_pcm_dma_params dma_params[2];
  32         void __iomem *base;
  33         struct device *dev;
  34
  35         /* McASP specific data */
  36         int     tdm_slots;
  37         u8      op_mode;
  38         u8      num_serializer;
  39         u8      *serial_dir;
  40         u8      version;
  41         u16     bclk_lrclk_ratio;
  42
  43         /* McASP FIFO related */
  44         u8      txnumevt;
  45         u8      rxnumevt;
  46
  47 #ifdef CONFIG_PM_SLEEP
  48         struct {
  49                 u32     txfmtctl;
  50                 u32     rxfmtctl;
  51                 u32     txfmt;
  52                 u32     rxfmt;
  53                 u32     aclkxctl;
  54                 u32     aclkrctl;
  55                 u32     pdir;
  56         } context;
  57 #endif
  58 };
  59
  60 #endif  /* DAVINCI_MCASP_H */