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Merge branches 'regmap/irq' and 'regmap/cache' into regmap-next

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This commit is contained in:
Mark Brown 2011-11-08 14:16:06 +00:00
commit 81bf58eb3c
8 changed files with 361 additions and 3 deletions
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50
include/linux/regmap.h
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@ -25,7 +25,7 @@ enum regcache_type {
REGCACHE_NONE,
REGCACHE_INDEXED,
REGCACHE_RBTREE,
REGCACHE_LZO
REGCACHE_COMPRESSED
};
/**
@ -143,5 +143,53 @@ int regmap_update_bits(struct regmap *map, unsigned int reg,
int regcache_sync(struct regmap *map);
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);
/**
* 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);
#endif