include/linux/platform_data/asoc-ti-mcbsp.h

   1 /*
   2  * Defines for Multi-Channel Buffered Serial Port
   3  *
   4  * Copyright (C) 2002 RidgeRun, Inc.
   5  * Author: Steve Johnson
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  20  *
  21  */
  22 #ifndef __ASOC_TI_MCBSP_H
  23 #define __ASOC_TI_MCBSP_H
  24
  25 #include <linux/spinlock.h>
  26 #include <linux/clk.h>
  27
  28 #define MCBSP_CONFIG_TYPE2      0x2
  29 #define MCBSP_CONFIG_TYPE3      0x3
  30 #define MCBSP_CONFIG_TYPE4      0x4
  31
  32 /* Platform specific configuration */
  33 struct omap_mcbsp_ops {
  34         void (*request)(unsigned int);
  35         void (*free)(unsigned int);
  36 };
  37
  38 struct omap_mcbsp_platform_data {
  39         struct omap_mcbsp_ops *ops;
  40         u16 buffer_size;
  41         u8 reg_size;
  42         u8 reg_step;
  43
  44         /* McBSP platform and instance specific features */
  45         bool has_wakeup; /* Wakeup capability */
  46         bool has_ccr; /* Transceiver has configuration control registers */
  47         int (*force_ick_on)(struct clk *clk, bool force_on);
  48 };
  49
  50 /**
  51  * omap_mcbsp_dev_attr - OMAP McBSP device attributes for omap_hwmod
  52  * @sidetone: name of the sidetone device
  53  */
  54 struct omap_mcbsp_dev_attr {
  55         const char *sidetone;
  56 };
  57
  58 void omap3_mcbsp_init_pdata_callback(struct omap_mcbsp_platform_data *pdata);
  59
  60 #endif