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

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