diff options
Diffstat (limited to 'include/linux/regmap.h')
| -rw-r--r-- | include/linux/regmap.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/regmap.h b/include/linux/regmap.h index 0258bcd6258..56af22ec9ab 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -76,6 +76,9 @@ struct reg_default { * @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. + * @use_single_rw: If set, converts the bulk read and write operations into + * a series of single read and write operations. This is useful + * for device that does not support bulk read and write. * * @cache_type: The actual cache type. * @reg_defaults_raw: Power on reset values for registers (for use with @@ -104,6 +107,8 @@ struct regmap_config { u8 read_flag_mask; u8 write_flag_mask; + + bool use_single_rw; }; typedef int (*regmap_hw_write)(void *context, const void *data, @@ -165,6 +170,7 @@ struct regmap *devm_regmap_init_mmio(struct device *dev, void regmap_exit(struct regmap *map); int regmap_reinit_cache(struct regmap *map, const struct regmap_config *config); +struct regmap *dev_get_regmap(struct device *dev, const char *name); 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); @@ -213,6 +219,7 @@ struct regmap_irq { * @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. + * @irq_reg_stride: Stride to use for chips where registers are not contiguous. * * @num_regs: Number of registers in each control bank. * @irqs: Descriptors for individual IRQs. Interrupt numbers are @@ -225,6 +232,7 @@ struct regmap_irq_chip { unsigned int status_base; unsigned int mask_base; unsigned int ack_base; + unsigned int irq_reg_stride; int num_regs; @@ -239,6 +247,7 @@ int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags, 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); +int regmap_irq_get_virq(struct regmap_irq_chip_data *data, int irq); #else @@ -349,6 +358,13 @@ static inline int regmap_register_patch(struct regmap *map, return -EINVAL; } +static inline struct regmap *dev_get_regmap(struct device *dev, + const char *name) +{ + WARN_ONCE(1, "regmap API is disabled"); + return NULL; +} + #endif #endif |