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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/include/linux/regmap.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/include/linux/regmap.h')
-rw-r--r--ANDROID_3.4.5/include/linux/regmap.h332
1 files changed, 0 insertions, 332 deletions
diff --git a/ANDROID_3.4.5/include/linux/regmap.h b/ANDROID_3.4.5/include/linux/regmap.h
deleted file mode 100644
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--- a/ANDROID_3.4.5/include/linux/regmap.h
+++ /dev/null
@@ -1,332 +0,0 @@
-#ifndef __LINUX_REGMAP_H
-#define __LINUX_REGMAP_H
-
-/*
- * Register map access API
- *
- * 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.
- */
-
-#include <linux/list.h>
-
-struct module;
-struct device;
-struct i2c_client;
-struct spi_device;
-struct regmap;
-
-/* An enum of all the supported cache types */
-enum regcache_type {
- REGCACHE_NONE,
- REGCACHE_RBTREE,
- REGCACHE_COMPRESSED
-};
-
-/**
- * Default value for a register. We use an array of structs rather
- * than a simple array as many modern devices have very sparse
- * register maps.
- *
- * @reg: Register address.
- * @def: Register default value.
- */
-struct reg_default {
- unsigned int reg;
- unsigned int def;
-};
-
-#ifdef CONFIG_REGMAP
-
-/**
- * Configuration for the register map of a device.
- *
- * @reg_bits: Number of bits in a register address, mandatory.
- * @pad_bits: Number of bits of padding between register and value.
- * @val_bits: Number of bits in a register value, mandatory.
- *
- * @writeable_reg: Optional callback returning true if the register
- * can be written to.
- * @readable_reg: Optional callback returning true if the register
- * can be read from.
- * @volatile_reg: Optional callback returning true if the register
- * value can't be cached.
- * @precious_reg: Optional callback returning true if the rgister
- * should not be read outside of a call from the driver
- * (eg, a clear on read interrupt status register).
- *
- * @max_register: Optional, specifies the maximum valid register index.
- * @reg_defaults: Power on reset values for registers (for use with
- * register cache support).
- * @num_reg_defaults: Number of elements in reg_defaults.
- *
- * @read_flag_mask: Mask to be set in the top byte of the register when doing
- * a read.
- * @write_flag_mask: Mask to be set in the top byte of the register when doing
- * a write. If both read_flag_mask and write_flag_mask are
- * empty the regmap_bus default masks are used.
- *
- * @cache_type: The actual cache type.
- * @reg_defaults_raw: Power on reset values for registers (for use with
- * register cache support).
- * @num_reg_defaults_raw: Number of elements in reg_defaults_raw.
- */
-struct regmap_config {
- int reg_bits;
- int pad_bits;
- int val_bits;
-
- 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);
- bool (*precious_reg)(struct device *dev, unsigned int reg);
-
- unsigned int max_register;
- const struct reg_default *reg_defaults;
- unsigned int num_reg_defaults;
- enum regcache_type cache_type;
- const void *reg_defaults_raw;
- unsigned int num_reg_defaults_raw;
-
- u8 read_flag_mask;
- u8 write_flag_mask;
-};
-
-typedef int (*regmap_hw_write)(struct device *dev, const void *data,
- size_t count);
-typedef int (*regmap_hw_gather_write)(struct device *dev,
- const void *reg, size_t reg_len,
- const void *val, size_t val_len);
-typedef int (*regmap_hw_read)(struct device *dev,
- const void *reg_buf, size_t reg_size,
- void *val_buf, size_t val_size);
-
-/**
- * Description of a hardware bus for the register map infrastructure.
- *
- * @write: Write operation.
- * @gather_write: Write operation with split register/value, return -ENOTSUPP
- * if not implemented on a given device.
- * @read: Read operation. Data is returned in the buffer used to transmit
- * data.
- * @read_flag_mask: Mask to be set in the top byte of the register when doing
- * a read.
- */
-struct regmap_bus {
- regmap_hw_write write;
- regmap_hw_gather_write gather_write;
- regmap_hw_read read;
- u8 read_flag_mask;
-};
-
-struct regmap *regmap_init(struct device *dev,
- const struct regmap_bus *bus,
- const struct regmap_config *config);
-struct regmap *regmap_init_i2c(struct i2c_client *i2c,
- const struct regmap_config *config);
-struct regmap *regmap_init_spi(struct spi_device *dev,
- const struct regmap_config *config);
-
-struct regmap *devm_regmap_init(struct device *dev,
- const struct regmap_bus *bus,
- const struct regmap_config *config);
-struct regmap *devm_regmap_init_i2c(struct i2c_client *i2c,
- const struct regmap_config *config);
-struct regmap *devm_regmap_init_spi(struct spi_device *dev,
- const struct regmap_config *config);
-
-void regmap_exit(struct regmap *map);
-int regmap_reinit_cache(struct regmap *map,
- const struct regmap_config *config);
-int regmap_write(struct regmap *map, unsigned int reg, unsigned int val);
-int regmap_raw_write(struct regmap *map, unsigned int reg,
- const void *val, size_t val_len);
-int regmap_bulk_write(struct regmap *map, unsigned int reg, const void *val,
- size_t val_count);
-int regmap_read(struct regmap *map, unsigned int reg, unsigned int *val);
-int regmap_raw_read(struct regmap *map, unsigned int reg,
- void *val, size_t val_len);
-int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val,
- size_t val_count);
-int regmap_update_bits(struct regmap *map, unsigned int reg,
- unsigned int mask, unsigned int val);
-int regmap_update_bits_check(struct regmap *map, unsigned int reg,
- unsigned int mask, unsigned int val,
- bool *change);
-int regmap_get_val_bytes(struct regmap *map);
-
-int regcache_sync(struct regmap *map);
-int regcache_sync_region(struct regmap *map, unsigned int min,
- unsigned int max);
-void regcache_cache_only(struct regmap *map, bool enable);
-void regcache_cache_bypass(struct regmap *map, bool enable);
-void regcache_mark_dirty(struct regmap *map);
-
-int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
- int num_regs);
-
-/**
- * Description of an IRQ for the generic regmap irq_chip.
- *
- * @reg_offset: Offset of the status/mask register within the bank
- * @mask: Mask used to flag/control the register.
- */
-struct regmap_irq {
- unsigned int reg_offset;
- unsigned int mask;
-};
-
-/**
- * Description of a generic regmap irq_chip. This is not intended to
- * handle every possible interrupt controller, but it should handle a
- * substantial proportion of those that are found in the wild.
- *
- * @name: Descriptive name for IRQ controller.
- *
- * @status_base: Base status register address.
- * @mask_base: Base mask register address.
- * @ack_base: Base ack address. If zero then the chip is clear on read.
- *
- * @num_regs: Number of registers in each control bank.
- * @irqs: Descriptors for individual IRQs. Interrupt numbers are
- * assigned based on the index in the array of the interrupt.
- * @num_irqs: Number of descriptors.
- */
-struct regmap_irq_chip {
- const char *name;
-
- unsigned int status_base;
- unsigned int mask_base;
- unsigned int ack_base;
-
- int num_regs;
-
- const struct regmap_irq *irqs;
- int num_irqs;
-};
-
-struct regmap_irq_chip_data;
-
-int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
- int irq_base, struct regmap_irq_chip *chip,
- struct regmap_irq_chip_data **data);
-void regmap_del_irq_chip(int irq, struct regmap_irq_chip_data *data);
-int regmap_irq_chip_get_base(struct regmap_irq_chip_data *data);
-
-#else
-
-/*
- * These stubs should only ever be called by generic code which has
- * regmap based facilities, if they ever get called at runtime
- * something is going wrong and something probably needs to select
- * REGMAP.
- */
-
-static inline int regmap_write(struct regmap *map, unsigned int reg,
- unsigned int val)
-{
- WARN_ONCE(1, "regmap API is disabled");
- return -EINVAL;
-}
-
-static inline int regmap_raw_write(struct regmap *map, unsigned int reg,
- const void *val, size_t val_len)
-{
- WARN_ONCE(1, "regmap API is disabled");
- return -EINVAL;
-}
-
-static inline int regmap_bulk_write(struct regmap *map, unsigned int reg,
- const void *val, size_t val_count)
-{
- WARN_ONCE(1, "regmap API is disabled");
- return -EINVAL;
-}
-
-static inline int regmap_read(struct regmap *map, unsigned int reg,
- unsigned int *val)
-{
- WARN_ONCE(1, "regmap API is disabled");
- return -EINVAL;
-}
-
-static inline int regmap_raw_read(struct regmap *map, unsigned int reg,
- void *val, size_t val_len)
-{
- WARN_ONCE(1, "regmap API is disabled");
- return -EINVAL;
-}
-
-static inline int regmap_bulk_read(struct regmap *map, unsigned int reg,
- void *val, size_t val_count)
-{
- WARN_ONCE(1, "regmap API is disabled");
- return -EINVAL;
-}
-
-static inline int regmap_update_bits(struct regmap *map, unsigned int reg,
- unsigned int mask, unsigned int val)
-{
- WARN_ONCE(1, "regmap API is disabled");
- return -EINVAL;
-}
-
-static inline int regmap_update_bits_check(struct regmap *map,
- unsigned int reg,
- unsigned int mask, unsigned int val,
- bool *change)
-{
- WARN_ONCE(1, "regmap API is disabled");
- return -EINVAL;
-}
-
-static inline int regmap_get_val_bytes(struct regmap *map)
-{
- WARN_ONCE(1, "regmap API is disabled");
- return -EINVAL;
-}
-
-static inline int regcache_sync(struct regmap *map)
-{
- WARN_ONCE(1, "regmap API is disabled");
- return -EINVAL;
-}
-
-static inline int regcache_sync_region(struct regmap *map, unsigned int min,
- unsigned int max)
-{
- WARN_ONCE(1, "regmap API is disabled");
- return -EINVAL;
-}
-
-static inline void regcache_cache_only(struct regmap *map, bool enable)
-{
- WARN_ONCE(1, "regmap API is disabled");
-}
-
-static inline void regcache_cache_bypass(struct regmap *map, bool enable)
-{
- WARN_ONCE(1, "regmap API is disabled");
-}
-
-static inline void regcache_mark_dirty(struct regmap *map)
-{
- WARN_ONCE(1, "regmap API is disabled");
-}
-
-static inline int regmap_register_patch(struct regmap *map,
- const struct reg_default *regs,
- int num_regs)
-{
- WARN_ONCE(1, "regmap API is disabled");
- return -EINVAL;
-}
-
-#endif
-
-#endif