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    Subject[PATCH v3 4/9] media: uapi: Add a control for HANTRO driver
    Date
    The HEVC HANTRO driver needs to know the number of bits to skip at
    the beginning of the slice header.
    That is a hardware specific requirement so create a dedicated control
    that this purpose.

    Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
    ---
    version 3:
    - Fix typo in field name

    include/uapi/linux/hantro-v4l2-controls.h | 20 ++++++++++++++++++++
    include/uapi/linux/v4l2-controls.h | 5 +++++
    2 files changed, 25 insertions(+)
    create mode 100644 include/uapi/linux/hantro-v4l2-controls.h

    diff --git a/include/uapi/linux/hantro-v4l2-controls.h b/include/uapi/linux/hantro-v4l2-controls.h
    new file mode 100644
    index 000000000000..a8dfd6b1a2a9
    --- /dev/null
    +++ b/include/uapi/linux/hantro-v4l2-controls.h
    @@ -0,0 +1,20 @@
    +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
    +
    +#ifndef __UAPI_HANTRO_V4L2_CONYTROLS_H__
    +#define __UAPI_HANTRO_V4L2_CONYTROLS_H__
    +
    +#include <linux/v4l2-controls.h>
    +#include <media/hevc-ctrls.h>
    +
    +#define V4L2_CID_HANTRO_HEVC_EXTRA_DECODE_PARAMS (V4L2_CID_USER_HANTRO_BASE + 0)
    +
    +/**
    + * struct hantro_hevc_extra_decode_params - extra decode parameters for hantro driver
    + * @hevc_hdr_skip_length: header first bits offset
    + */
    +struct hantro_hevc_extra_decode_params {
    + __u32 hevc_hdr_skip_length;
    + __u8 padding[4];
    +};
    +
    +#endif
    diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h
    index 039c0d7add1b..ced7486c7f46 100644
    --- a/include/uapi/linux/v4l2-controls.h
    +++ b/include/uapi/linux/v4l2-controls.h
    @@ -209,6 +209,11 @@ enum v4l2_colorfx {
    * We reserve 128 controls for this driver.
    */
    #define V4L2_CID_USER_CCS_BASE (V4L2_CID_USER_BASE + 0x10f0)
    +/*
    + * The base for HANTRO driver controls.
    + * We reserve 32 controls for this driver.
    + */
    +#define V4L2_CID_USER_HANTRO_BASE (V4L2_CID_USER_BASE + 0x1170)

    /* MPEG-class control IDs */
    /* The MPEG controls are applicable to all codec controls
    --
    2.25.1
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