LXR linux/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
  30struct 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 */
  61