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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/include/linux/regmap.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
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.h | 332 |
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 index a90abb6b..00000000 --- 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 |