linux/drivers/base/regmap/regmap-mmio.c

// SPDX-License-Identifier: GPL-2.0
//
// Register map access API - MMIO support
//
// Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.

#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"

struct regmap_mmio_context { … };

static int regmap_mmio_regbits_check(size_t reg_bits)
{ … }

static int regmap_mmio_get_min_stride(size_t val_bits)
{ … }

static void regmap_mmio_write8(struct regmap_mmio_context *ctx,
				unsigned int reg,
				unsigned int val)
{ … }

static void regmap_mmio_write8_relaxed(struct regmap_mmio_context *ctx,
				unsigned int reg,
				unsigned int val)
{ … }

static void regmap_mmio_iowrite8(struct regmap_mmio_context *ctx,
				 unsigned int reg, unsigned int val)
{ … }

static void regmap_mmio_write16le(struct regmap_mmio_context *ctx,
				  unsigned int reg,
				  unsigned int val)
{ … }

static void regmap_mmio_write16le_relaxed(struct regmap_mmio_context *ctx,
				  unsigned int reg,
				  unsigned int val)
{ … }

static void regmap_mmio_iowrite16le(struct regmap_mmio_context *ctx,
				    unsigned int reg, unsigned int val)
{ … }

static void regmap_mmio_write16be(struct regmap_mmio_context *ctx,
				  unsigned int reg,
				  unsigned int val)
{ … }

static void regmap_mmio_iowrite16be(struct regmap_mmio_context *ctx,
				    unsigned int reg, unsigned int val)
{ … }

static void regmap_mmio_write32le(struct regmap_mmio_context *ctx,
				  unsigned int reg,
				  unsigned int val)
{ … }

static void regmap_mmio_write32le_relaxed(struct regmap_mmio_context *ctx,
				  unsigned int reg,
				  unsigned int val)
{ … }

static void regmap_mmio_iowrite32le(struct regmap_mmio_context *ctx,
				    unsigned int reg, unsigned int val)
{ … }

static void regmap_mmio_write32be(struct regmap_mmio_context *ctx,
				  unsigned int reg,
				  unsigned int val)
{ … }

static void regmap_mmio_iowrite32be(struct regmap_mmio_context *ctx,
				    unsigned int reg, unsigned int val)
{ … }

static int regmap_mmio_write(void *context, unsigned int reg, unsigned int val)
{ … }

static int regmap_mmio_noinc_write(void *context, unsigned int reg,
				   const void *val, size_t val_count)
{ … }

static unsigned int regmap_mmio_read8(struct regmap_mmio_context *ctx,
				      unsigned int reg)
{ … }

static unsigned int regmap_mmio_read8_relaxed(struct regmap_mmio_context *ctx,
				      unsigned int reg)
{ … }

static unsigned int regmap_mmio_ioread8(struct regmap_mmio_context *ctx,
					unsigned int reg)
{ … }

static unsigned int regmap_mmio_read16le(struct regmap_mmio_context *ctx,
				         unsigned int reg)
{ … }

static unsigned int regmap_mmio_read16le_relaxed(struct regmap_mmio_context *ctx,
						 unsigned int reg)
{ … }

static unsigned int regmap_mmio_ioread16le(struct regmap_mmio_context *ctx,
					   unsigned int reg)
{ … }

static unsigned int regmap_mmio_read16be(struct regmap_mmio_context *ctx,
				         unsigned int reg)
{ … }

static unsigned int regmap_mmio_ioread16be(struct regmap_mmio_context *ctx,
					   unsigned int reg)
{ … }

static unsigned int regmap_mmio_read32le(struct regmap_mmio_context *ctx,
				         unsigned int reg)
{ … }

static unsigned int regmap_mmio_read32le_relaxed(struct regmap_mmio_context *ctx,
						 unsigned int reg)
{ … }

static unsigned int regmap_mmio_ioread32le(struct regmap_mmio_context *ctx,
					   unsigned int reg)
{ … }

static unsigned int regmap_mmio_read32be(struct regmap_mmio_context *ctx,
				         unsigned int reg)
{ … }

static unsigned int regmap_mmio_ioread32be(struct regmap_mmio_context *ctx,
					   unsigned int reg)
{ … }

static int regmap_mmio_read(void *context, unsigned int reg, unsigned int *val)
{ … }

static int regmap_mmio_noinc_read(void *context, unsigned int reg,
				  void *val, size_t val_count)
{ … }


static void regmap_mmio_free_context(void *context)
{ … }

static const struct regmap_bus regmap_mmio = …;

static struct regmap_mmio_context *regmap_mmio_gen_context(struct device *dev,
					const char *clk_id,
					void __iomem *regs,
					const struct regmap_config *config)
{ … }

struct regmap *__regmap_init_mmio_clk(struct device *dev, const char *clk_id,
				      void __iomem *regs,
				      const struct regmap_config *config,
				      struct lock_class_key *lock_key,
				      const char *lock_name)
{ … }
EXPORT_SYMBOL_GPL(…);

struct regmap *__devm_regmap_init_mmio_clk(struct device *dev,
					   const char *clk_id,
					   void __iomem *regs,
					   const struct regmap_config *config,
					   struct lock_class_key *lock_key,
					   const char *lock_name)
{ … }
EXPORT_SYMBOL_GPL(…);

int regmap_mmio_attach_clk(struct regmap *map, struct clk *clk)
{ … }
EXPORT_SYMBOL_GPL(…);

void regmap_mmio_detach_clk(struct regmap *map)
{ … }
EXPORT_SYMBOL_GPL(…);

MODULE_LICENSE(…) …;