linux/drivers/base/regmap/regmap-raw-ram.c

// SPDX-License-Identifier: GPL-2.0
//
// Register map access API - Memory region with raw access
//
// This is intended for testing only
//
// Copyright (c) 2023, Arm Ltd

#include <linux/clk.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include <linux/swab.h>

#include "internal.h"

static unsigned int decode_reg(enum regmap_endian endian, const void *reg)
{ … }

static int regmap_raw_ram_gather_write(void *context,
				       const void *reg, size_t reg_len,
				       const void *val, size_t val_len)
{ … }

static int regmap_raw_ram_write(void *context, const void *data, size_t count)
{ … }

static int regmap_raw_ram_read(void *context,
			       const void *reg, size_t reg_len,
			       void *val, size_t val_len)
{ … }

static void regmap_raw_ram_free_context(void *context)
{ … }

static const struct regmap_bus regmap_raw_ram = …;

struct regmap *__regmap_init_raw_ram(struct device *dev,
				     const struct regmap_config *config,
				     struct regmap_ram_data *data,
				     struct lock_class_key *lock_key,
				     const char *lock_name)
{ … }
EXPORT_SYMBOL_GPL(…);

MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;