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authorThomas Zimmermann <tzimmermann@suse.de>2022-06-20 18:21:25 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2022-06-20 18:21:25 +0200
commit2b1333b80885b896807ffb6ccf4bc21d29aa65e0 (patch)
tree51cc2d13d65603383db82c87f01a0aa93bd26010 /include/linux/regmap.h
parentcad564ca557f8d3bb3b1fa965d9a2b3f6490ec69 (diff)
parent0f95ee9a0c579ebed0309657f6918673927189f2 (diff)
Merge drm/drm-next into drm-misc-next
Backmerging to get new regmap APIs of v5.19-rc1. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'include/linux/regmap.h')
-rw-r--r--include/linux/regmap.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index de81a94d7b30..8952fa3d0d59 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -299,6 +299,12 @@ typedef void (*regmap_unlock)(void *);
* if the function require special handling with lock and reg
* handling and the operation cannot be represented as a simple
* update_bits operation on a bus such as SPI, I2C, etc.
+ * @read: Optional callback that if filled will be used to perform all the
+ * bulk reads from the registers. Data is returned in the buffer used
+ * to transmit data.
+ * @write: Same as above for writing.
+ * @max_raw_read: Max raw read size that can be used on the device.
+ * @max_raw_write: Max raw write size that can be used on the device.
* @fast_io: Register IO is fast. Use a spinlock instead of a mutex
* to perform locking. This field is ignored if custom lock/unlock
* functions are used (see fields lock/unlock of struct regmap_config).
@@ -385,6 +391,12 @@ struct regmap_config {
int (*reg_write)(void *context, unsigned int reg, unsigned int val);
int (*reg_update_bits)(void *context, unsigned int reg,
unsigned int mask, unsigned int val);
+ /* Bulk read/write */
+ int (*read)(void *context, const void *reg_buf, size_t reg_size,
+ void *val_buf, size_t val_size);
+ int (*write)(void *context, const void *data, size_t count);
+ size_t max_raw_read;
+ size_t max_raw_write;
bool fast_io;