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Diffstat (limited to 'include/linux/regmap.h')
-rw-r--r--include/linux/regmap.h31
1 files changed, 27 insertions, 4 deletions
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 379505a53722..a367d59c301d 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -268,6 +268,13 @@ typedef void (*regmap_unlock)(void *);
* 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).
+ * @writeable_noinc_reg: Optional callback returning true if the register
+ * supports multiple write operations without incrementing
+ * the register number. If this field is NULL but
+ * wr_noinc_table (see below) is not, the check is
+ * performed on such table (a register is no increment
+ * writeable if it belongs to one of the ranges specified
+ * by wr_noinc_table).
* @readable_noinc_reg: Optional callback returning true if the register
* supports multiple read operations without incrementing
* the register number. If this field is NULL but
@@ -302,6 +309,7 @@ typedef void (*regmap_unlock)(void *);
* @rd_table: As above, for read access.
* @volatile_table: As above, for volatile registers.
* @precious_table: As above, for precious registers.
+ * @wr_noinc_table: As above, for no increment writeable registers.
* @rd_noinc_table: As above, for no increment readable registers.
* @reg_defaults: Power on reset values for registers (for use with
* register cache support).
@@ -315,9 +323,12 @@ typedef void (*regmap_unlock)(void *);
* masks are used.
* @zero_flag_mask: If set, read_flag_mask and write_flag_mask are used even
* if they are both empty.
- * @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.
+ * @use_single_read: If set, converts the bulk read operation into a series of
+ * single read operations. This is useful for a device that
+ * does not support bulk read.
+ * @use_single_write: If set, converts the bulk write operation into a series of
+ * single write operations. This is useful for a device that
+ * does not support bulk write.
* @can_multi_write: If set, the device supports the multi write mode of bulk
* write operations, if clear multi write requests will be
* split into individual write operations
@@ -352,6 +363,7 @@ struct regmap_config {
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);
+ bool (*writeable_noinc_reg)(struct device *dev, unsigned int reg);
bool (*readable_noinc_reg)(struct device *dev, unsigned int reg);
bool disable_locking;
@@ -369,6 +381,7 @@ struct regmap_config {
const struct regmap_access_table *rd_table;
const struct regmap_access_table *volatile_table;
const struct regmap_access_table *precious_table;
+ const struct regmap_access_table *wr_noinc_table;
const struct regmap_access_table *rd_noinc_table;
const struct reg_default *reg_defaults;
unsigned int num_reg_defaults;
@@ -380,7 +393,8 @@ struct regmap_config {
unsigned long write_flag_mask;
bool zero_flag_mask;
- bool use_single_rw;
+ bool use_single_read;
+ bool use_single_write;
bool can_multi_write;
enum regmap_endian reg_format_endian;
@@ -979,6 +993,8 @@ 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_noinc_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, const struct reg_sequence *regs,
@@ -1222,6 +1238,13 @@ static inline int regmap_raw_write_async(struct regmap *map, unsigned int reg,
return -EINVAL;
}
+static inline int regmap_noinc_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)
{