bool regcache_set_val(void *base, unsigned int idx,
unsigned int val, unsigned int word_size);
int regcache_lookup_reg(struct regmap *map, unsigned int reg);
-int regcache_insert_reg(struct regmap *map, unsigned int reg,
- unsigned int val);
-extern struct regcache_ops regcache_indexed_ops;
extern struct regcache_ops regcache_rbtree_ops;
extern struct regcache_ops regcache_lzo_ops;
+++ /dev/null
-/*
- * Register cache access API - indexed caching support
- *
- * Copyright 2011 Wolfson Microelectronics plc
- *
- * Author: Dimitris Papastamos <dp@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.
- */
-
-#include <linux/slab.h>
-
-#include "internal.h"
-
-static int regcache_indexed_read(struct regmap *map, unsigned int reg,
- unsigned int *value)
-{
- int ret;
-
- ret = regcache_lookup_reg(map, reg);
- if (ret >= 0)
- *value = map->reg_defaults[ret].def;
-
- return ret;
-}
-
-static int regcache_indexed_write(struct regmap *map, unsigned int reg,
- unsigned int value)
-{
- int ret;
-
- ret = regcache_lookup_reg(map, reg);
- if (ret < 0)
- return regcache_insert_reg(map, reg, value);
- map->reg_defaults[ret].def = value;
- return 0;
-}
-
-static int regcache_indexed_sync(struct regmap *map)
-{
- unsigned int i;
- int ret;
-
- for (i = 0; i < map->num_reg_defaults; i++) {
- ret = _regmap_write(map, map->reg_defaults[i].reg,
- map->reg_defaults[i].def);
- if (ret < 0)
- return ret;
- dev_dbg(map->dev, "Synced register %#x, value %#x\n",
- map->reg_defaults[i].reg,
- map->reg_defaults[i].def);
- }
- return 0;
-}
-
-struct regcache_ops regcache_indexed_ops = {
- .type = REGCACHE_INDEXED,
- .name = "indexed",
- .read = regcache_indexed_read,
- .write = regcache_indexed_write,
- .sync = regcache_indexed_sync
-};
#include "internal.h"
static const struct regcache_ops *cache_types[] = {
- ®cache_indexed_ops,
®cache_rbtree_ops,
®cache_lzo_ops,
};
else
return -ENOENT;
}
-
-int regcache_insert_reg(struct regmap *map, unsigned int reg,
- unsigned int val)
-{
- void *tmp;
-
- tmp = krealloc(map->reg_defaults,
- (map->num_reg_defaults + 1) * sizeof(struct reg_default),
- GFP_KERNEL);
- if (!tmp)
- return -ENOMEM;
- map->reg_defaults = tmp;
- map->num_reg_defaults++;
- map->reg_defaults[map->num_reg_defaults - 1].reg = reg;
- map->reg_defaults[map->num_reg_defaults - 1].def = val;
- sort(map->reg_defaults, map->num_reg_defaults,
- sizeof(struct reg_default), regcache_default_cmp, NULL);
- return 0;
-}