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media: v4l: cci: Add driver-private bit definitions

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Provide a few bits for drivers to store private information on register
definitions.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Sakari Ailus 2023-11-07 11:31:13 +02:00 committed by Hans Verkuil
parent eba5058633
commit 94ed00981b
1 changed files with 5 additions and 0 deletions
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5
include/media/v4l2-cci.h
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@ -33,6 +33,11 @@ struct cci_reg_sequence {
#define CCI_REG_ADDR_MASK GENMASK(15, 0)
#define CCI_REG_WIDTH_SHIFT 16
#define CCI_REG_WIDTH_MASK GENMASK(19, 16)
/*
* Private CCI register flags, for the use of drivers.
*/
#define CCI_REG_PRIVATE_SHIFT 28U
#define CCI_REG_PRIVATE_MASK GENMASK(31U, CCI_REG_PRIVATE_SHIFT)
#define CCI_REG8(x) ((1 << CCI_REG_WIDTH_SHIFT) | (x))
#define CCI_REG16(x) ((2 << CCI_REG_WIDTH_SHIFT) | (x))