45 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * include/media/smiapp/smiapp-regs.h
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|  *
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|  * Generic driver for SMIA/SMIA++ compliant camera modules
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|  *
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|  * Copyright (C) 2011--2012 Nokia Corporation
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|  * Contact: Sakari Ailus <sakari.ailus@iki.fi>
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|  *
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|  * This program is free software; you can redistribute it and/or
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|  * modify it under the terms of the GNU General Public License
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|  * version 2 as published by the Free Software Foundation.
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|  *
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|  * This program is distributed in the hope that it will be useful, but
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|  * WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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|  * General Public License for more details.
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|  */
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| 
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| #ifndef SMIAPP_REGS_H
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| #define SMIAPP_REGS_H
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| 
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| #include <linux/i2c.h>
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| #include <linux/types.h>
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| 
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| #define SMIAPP_REG_ADDR(reg)		((u16)reg)
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| #define SMIAPP_REG_WIDTH(reg)		((u8)(reg >> 16))
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| #define SMIAPP_REG_FLAGS(reg)		((u8)(reg >> 24))
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| 
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| /* Use upper 8 bits of the type field for flags */
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| #define SMIAPP_REG_FLAG_FLOAT		(1 << 24)
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| 
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| #define SMIAPP_REG_8BIT			1
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| #define SMIAPP_REG_16BIT		2
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| #define SMIAPP_REG_32BIT		4
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| 
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| struct smiapp_sensor;
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| 
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| int smiapp_read_no_quirk(struct smiapp_sensor *sensor, u32 reg, u32 *val);
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| int smiapp_read(struct smiapp_sensor *sensor, u32 reg, u32 *val);
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| int smiapp_read_8only(struct smiapp_sensor *sensor, u32 reg, u32 *val);
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| int smiapp_write_no_quirk(struct smiapp_sensor *sensor, u32 reg, u32 val);
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| int smiapp_write(struct smiapp_sensor *sensor, u32 reg, u32 val);
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| 
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| #endif
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