diff options
Diffstat (limited to 'include/linux/regmap.h')
| -rw-r--r-- | include/linux/regmap.h | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/include/linux/regmap.h b/include/linux/regmap.h index 4d10790adeb0..c2b9cc5db824 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -46,12 +46,20 @@ struct sdw_slave; #define REGMAP_MDIO_C45_DEVAD_MASK GENMASK(20, 16) #define REGMAP_MDIO_C45_REGNUM_MASK GENMASK(15, 0) +/* + * regmap.reg_shift indicates by how much we must shift registers prior to + * performing any operation. It's a signed value, positive numbers means + * downshifting the register's address, while negative numbers means upshifting. + */ +#define REGMAP_UPSHIFT(s) (-(s)) +#define REGMAP_DOWNSHIFT(s) (s) + /* An enum of all the supported cache types */ enum regcache_type { REGCACHE_NONE, REGCACHE_RBTREE, - REGCACHE_COMPRESSED, REGCACHE_FLAT, + REGCACHE_MAPLE, }; /** @@ -246,8 +254,9 @@ typedef void (*regmap_unlock)(void *); * @reg_stride: The register address stride. Valid register addresses are a * multiple of this value. If set to 0, a value of 1 will be * used. - * @reg_downshift: The number of bits to downshift the register before - * performing any operations. + * @reg_shift: The number of bits to shift the register before performing any + * operations. Any positive number will be downshifted, and negative + * values will be upshifted * @reg_base: Value to be added to every register address before performing any * operation. * @pad_bits: Number of bits of padding between register and value. @@ -381,7 +390,7 @@ struct regmap_config { int reg_bits; int reg_stride; - int reg_downshift; + int reg_shift; unsigned int reg_base; int pad_bits; int val_bits; @@ -1551,6 +1560,7 @@ struct regmap_irq_chip_data; * @use_ack: Use @ack register even if it is zero. * @ack_invert: Inverted ack register: cleared bits for ack. * @clear_ack: Use this to set 1 and 0 or vice-versa to clear interrupts. + * @status_invert: Inverted status register: cleared bits are active interrupts. * @wake_invert: Inverted wake register: cleared bits are wake enabled. * @type_in_mask: Use the mask registers for controlling irq type. Use this if * the hardware provides separate bits for rising/falling edge @@ -1560,18 +1570,20 @@ struct regmap_irq_chip_data; * @clear_on_unmask: For chips with interrupts cleared on read: read the status * registers before unmasking interrupts to clear any bits * set when they were masked. + * @runtime_pm: Hold a runtime PM lock on the device when accessing it. * @not_fixed_stride: Used when chip peripherals are not laid out with fixed * stride. Must be used with sub_reg_offsets containing the * offsets to each peripheral. Deprecated; the same thing * can be accomplished with a @get_irq_reg callback, without * the need for a @sub_reg_offsets table. - * @status_invert: Inverted status register: cleared bits are active interrupts. - * @runtime_pm: Hold a runtime PM lock on the device when accessing it. + * @no_status: No status register: all interrupts assumed generated by device. * * @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. + * * @num_type_reg: Number of type registers. Deprecated, use config registers * instead. * @num_virt_regs: Number of non-standard irq configuration registers. @@ -1579,6 +1591,7 @@ struct regmap_irq_chip_data; * instead. * @num_config_bases: Number of config base registers. * @num_config_regs: Number of config registers for each config base register. + * * @handle_pre_irq: Driver specific callback to handle interrupt from device * before regmap_irq_handler process the interrupts. * @handle_post_irq: Driver specific callback to handle interrupt from device @@ -1625,12 +1638,13 @@ struct regmap_irq_chip { unsigned int use_ack:1; unsigned int ack_invert:1; unsigned int clear_ack:1; + unsigned int status_invert:1; unsigned int wake_invert:1; - unsigned int runtime_pm:1; unsigned int type_in_mask:1; unsigned int clear_on_unmask:1; + unsigned int runtime_pm:1; unsigned int not_fixed_stride:1; - unsigned int status_invert:1; + unsigned int no_status:1; int num_regs; @@ -1650,7 +1664,8 @@ struct regmap_irq_chip { int (*set_type_virt)(unsigned int **buf, unsigned int type, unsigned long hwirq, int reg); int (*set_type_config)(unsigned int **buf, unsigned int type, - const struct regmap_irq *irq_data, int idx); + const struct regmap_irq *irq_data, int idx, + void *irq_drv_data); unsigned int (*get_irq_reg)(struct regmap_irq_chip_data *data, unsigned int base, int index); void *irq_drv_data; @@ -1659,7 +1674,8 @@ struct regmap_irq_chip { unsigned int regmap_irq_get_irq_reg_linear(struct regmap_irq_chip_data *data, unsigned int base, int index); int regmap_irq_set_type_config_simple(unsigned int **buf, unsigned int type, - const struct regmap_irq *irq_data, int idx); + const struct regmap_irq *irq_data, + int idx, void *irq_drv_data); int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags, int irq_base, const struct regmap_irq_chip *chip, |