[PATCH v3 4/9] media: uapi: Add a control for HANTRO driver
From: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Date: 2021-02-22 12:58:23
Also in:
linux-devicetree, linux-media, linux-rockchip, lkml
Subsystem:
media input infrastructure (v4l/dvb), the rest · Maintainers:
Mauro Carvalho Chehab, Linus Torvalds
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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