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TOMOYO Linux Cross Reference
Linux/arch/arm/plat-omap/include/plat/mcbsp.h

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  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         int (*set_clk_src)(struct device *dev, struct clk *clk, const char *src);
 51         int (*mux_signal)(struct device *dev, const char *signal, const char *src);
 52 };
 53 
 54 /**
 55  * omap_mcbsp_dev_attr - OMAP McBSP device attributes for omap_hwmod
 56  * @sidetone: name of the sidetone device
 57  */
 58 struct omap_mcbsp_dev_attr {
 59         const char *sidetone;
 60 };
 61 
 62 #endif
 63 

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