redonkable/alistair23-linux
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regmap: Use a local header for API internals

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Allowing the implementation to be multi-file.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2011-07-20 22:35:37 +01:00
parent 7330478127
commit 93de91245b
2 changed files with 46 additions and 28 deletions
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45
drivers/base/regmap/internal.h Normal file
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@ -0,0 +1,45 @@
/*
* Register map access API internal header
*
* Copyright 2011 Wolfson Microelectronics plc
*
* Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _REGMAP_INTERNAL_H
#define _REGMAP_INTERNAL_H
#include <linux/regmap.h>
struct regmap;
struct regmap_format {
size_t buf_size;
size_t reg_bytes;
size_t val_bytes;
void (*format_write)(struct regmap *map,
unsigned int reg, unsigned int val);
void (*format_reg)(void *buf, unsigned int reg);
void (*format_val)(void *buf, unsigned int val);
unsigned int (*parse_val)(void *buf);
};
struct regmap {
struct mutex lock;
struct device *dev; /* Device we do I/O on */
void *work_buf; /* Scratch buffer used to format I/O */
struct regmap_format format; /* Buffer format */
const struct regmap_bus *bus;
unsigned int max_register;
bool (*writeable_reg)(struct device *dev, unsigned int reg);
bool (*readable_reg)(struct device *dev, unsigned int reg);
bool (*volatile_reg)(struct device *dev, unsigned int reg);
};
#endif

29
drivers/base/regmap/regmap.c
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@ -15,37 +15,10 @@
#include <linux/mutex.h>
#include <linux/err.h>
#include <linux/regmap.h>
#define CREATE_TRACE_POINTS
#include <trace/events/regmap.h>
struct regmap;
struct regmap_format {
size_t buf_size;
size_t reg_bytes;
size_t val_bytes;
void (*format_write)(struct regmap *map,
unsigned int reg, unsigned int val);
void (*format_reg)(void *buf, unsigned int reg);
void (*format_val)(void *buf, unsigned int val);
unsigned int (*parse_val)(void *buf);
};
struct regmap {
struct mutex lock;
struct device *dev; /* Device we do I/O on */
void *work_buf; /* Scratch buffer used to format I/O */
struct regmap_format format; /* Buffer format */
const struct regmap_bus *bus;
unsigned int max_register;
bool (*writeable_reg)(struct device *dev, unsigned int reg);
bool (*readable_reg)(struct device *dev, unsigned int reg);
bool (*volatile_reg)(struct device *dev, unsigned int reg);
};
#include "internal.h"
static void regmap_format_4_12_write(struct regmap *map,
unsigned int reg, unsigned int val)