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-rw-r--r--include/linux/regmap.h77
1 files changed, 71 insertions, 6 deletions
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index a10380bfbeac..3e1a2e4a92ad 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -23,6 +23,7 @@ struct device;
struct i2c_client;
struct irq_domain;
struct spi_device;
+struct spmi_device;
struct regmap;
struct regmap_range_cfg;
struct regmap_field;
@@ -70,6 +71,8 @@ struct regmap_range {
unsigned int range_max;
};
+#define regmap_reg_range(low, high) { .range_min = low, .range_max = high, }
+
/*
* A table of ranges including some yes ranges and some no ranges.
* If a register belongs to a no_range, the corresponding check function
@@ -119,9 +122,9 @@ typedef void (*regmap_unlock)(void *);
* volatile_table (see below) is not, the check is performed on
* such table (a register is volatile if it belongs to one of
* the ranges specified by volatile_table).
- * @precious_reg: Optional callback returning true if the rgister
+ * @precious_reg: Optional callback returning true if the register
* should not be read outside of a call from the driver
- * (eg, a clear on read interrupt status register). If this
+ * (e.g., a clear on read interrupt status register). If this
* field is NULL but precious_table (see below) is not, the
* check is performed on such table (a register is precious if
* it belongs to one of the ranges specified by precious_table).
@@ -133,9 +136,9 @@ typedef void (*regmap_unlock)(void *);
* are not overridden).
* @reg_read: Optional callback that if filled will be used to perform
* all the reads from the registers. Should only be provided for
- * devices whos read operation cannot be represented as a simple read
- * operation on a bus such as SPI, I2C, etc. Most of the devices do
- * not need this.
+ * devices whose read operation cannot be represented as a simple
+ * read operation on a bus such as SPI, I2C, etc. Most of the
+ * devices do not need this.
* @reg_write: Same as above for writing.
* @fast_io: Register IO is fast. Use a spinlock instead of a mutex
* to perform locking. This field is ignored if custom lock/unlock
@@ -318,6 +321,8 @@ 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 *regmap_init_spmi(struct spmi_device *dev,
+ const struct regmap_config *config);
struct regmap *regmap_init_mmio_clk(struct device *dev, const char *clk_id,
void __iomem *regs,
const struct regmap_config *config);
@@ -330,6 +335,8 @@ 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);
+struct regmap *devm_regmap_init_spmi(struct spmi_device *dev,
+ const struct regmap_config *config);
struct regmap *devm_regmap_init_mmio_clk(struct device *dev, const char *clk_id,
void __iomem *regs,
const struct regmap_config *config);
@@ -374,10 +381,13 @@ 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_write_async(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_multi_reg_write(struct regmap *map, struct reg_default *regs,
+ int num_regs);
int regmap_raw_write_async(struct regmap *map, unsigned int reg,
const void *val, size_t val_len);
int regmap_read(struct regmap *map, unsigned int reg, unsigned int *val);
@@ -387,9 +397,14 @@ 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_async(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_update_bits_check_async(struct regmap *map, unsigned int reg,
+ unsigned int mask, unsigned int val,
+ bool *change);
int regmap_get_val_bytes(struct regmap *map);
int regmap_async_complete(struct regmap *map);
bool regmap_can_raw_write(struct regmap *map);
@@ -408,6 +423,8 @@ bool regmap_check_range_table(struct regmap *map, unsigned int reg,
int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
int num_regs);
+int regmap_parse_val(struct regmap *map, const void *buf,
+ unsigned int *val);
static inline bool regmap_reg_in_range(unsigned int reg,
const struct regmap_range *range)
@@ -425,11 +442,15 @@ bool regmap_reg_in_ranges(unsigned int reg,
* @reg: Offset of the register within the regmap bank
* @lsb: lsb of the register field.
* @reg: msb of the register field.
+ * @id_size: port size if it has some ports
+ * @id_offset: address offset for each ports
*/
struct reg_field {
unsigned int reg;
unsigned int lsb;
unsigned int msb;
+ unsigned int id_size;
+ unsigned int id_offset;
};
#define REG_FIELD(_reg, _lsb, _msb) { \
@@ -448,6 +469,15 @@ void devm_regmap_field_free(struct device *dev, struct regmap_field *field);
int regmap_field_read(struct regmap_field *field, unsigned int *val);
int regmap_field_write(struct regmap_field *field, unsigned int val);
+int regmap_field_update_bits(struct regmap_field *field,
+ unsigned int mask, unsigned int val);
+
+int regmap_fields_write(struct regmap_field *field, unsigned int id,
+ unsigned int val);
+int regmap_fields_read(struct regmap_field *field, unsigned int id,
+ unsigned int *val);
+int regmap_fields_update_bits(struct regmap_field *field, unsigned int id,
+ unsigned int mask, unsigned int val);
/**
* Description of an IRQ for the generic regmap irq_chip.
@@ -469,11 +499,13 @@ 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.
+ * @ack_base: Base ack address. If zero then the chip is clear on read.
+ * Using zero value is possible with @use_ack bit.
* @wake_base: Base address for wake enables. If zero unsupported.
* @irq_reg_stride: Stride to use for chips where registers are not contiguous.
* @init_ack_masked: Ack all masked interrupts once during initalization.
* @mask_invert: Inverted mask register: cleared bits are masked out.
+ * @use_ack: Use @ack register even if it is zero.
* @wake_invert: Inverted wake register: cleared bits are wake enabled.
* @runtime_pm: Hold a runtime PM lock on the device when accessing it.
*
@@ -492,6 +524,7 @@ struct regmap_irq_chip {
unsigned int irq_reg_stride;
bool init_ack_masked:1;
bool mask_invert:1;
+ bool use_ack:1;
bool wake_invert:1;
bool runtime_pm:1;
@@ -527,6 +560,13 @@ static inline int regmap_write(struct regmap *map, unsigned int reg,
return -EINVAL;
}
+static inline int regmap_write_async(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)
{
@@ -576,6 +616,14 @@ static inline int regmap_update_bits(struct regmap *map, unsigned int reg,
return -EINVAL;
}
+static inline int regmap_update_bits_async(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,
@@ -585,6 +633,16 @@ static inline int regmap_update_bits_check(struct regmap *map,
return -EINVAL;
}
+static inline int regmap_update_bits_check_async(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");
@@ -639,6 +697,13 @@ static inline int regmap_register_patch(struct regmap *map,
return -EINVAL;
}
+static inline int regmap_parse_val(struct regmap *map, const void *buf,
+ unsigned int *val)
+{
+ WARN_ONCE(1, "regmap API is disabled");
+ return -EINVAL;
+}
+
static inline struct regmap *dev_get_regmap(struct device *dev,
const char *name)
{