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[v2,8/9] media: v4l: uapi: Add user control base for stm32 dma2d controls

Message ID 1626341068-20253-9-git-send-email-dillon.minfei@gmail.com (mailing list archive)
State Not Applicable, archived
Headers show
Series [v2,1/9] media: admin-guide: add stm32-dma2d description | expand

Commit Message

Dillon Min July 15, 2021, 9:24 a.m. UTC 
From: Dillon Min <dillon.minfei@gmail.com>

Add a control base for stm32 controls, and reserve 16 controls.

Signed-off-by: Dillon Min <dillon.minfei@gmail.com>
---
v2: reserved 16 ioctls from v4l2-controls.h for stm32, thanks Hans

 include/uapi/linux/stm32-media.h   | 12 ++++++++++++
 include/uapi/linux/v4l2-controls.h |  5 +++++
 2 files changed, 17 insertions(+)
 create mode 100644 include/uapi/linux/stm32-media.h
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Patch

diff --git a/include/uapi/linux/stm32-media.h b/include/uapi/linux/stm32-media.h
new file mode 100644
index 000000000000..c5a05801a7a4
--- /dev/null
+++ b/include/uapi/linux/stm32-media.h
@@ -0,0 +1,12 @@ 
+/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
+/* Copyright (C) 2021 Dillon Min, <dillon.minfei@gmail.com> */
+
+#ifndef __UAPI_STM32_MEDIA_H__
+#define __UAPI_STM32_MEDIA_H__
+
+#include <linux/v4l2-controls.h>
+
+#define V4L2_CID_DMA2D_R2M_COLOR		(V4L2_CID_USER_STM32_BASE + 1)
+#define V4L2_CID_DMA2D_R2M_MODE			(V4L2_CID_USER_STM32_BASE + 2)
+
+#endif
diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h
index fdf97a6d7d18..72d0bb095732 100644
--- a/include/uapi/linux/v4l2-controls.h
+++ b/include/uapi/linux/v4l2-controls.h
@@ -212,6 +212,11 @@  enum v4l2_colorfx {
  */
 #define V4L2_CID_USER_CCS_BASE			(V4L2_CID_USER_BASE + 0x10f0)
 
+/* The base for the stm32 dma2d driver controls.
+ * We reserve 16 controls for this driver.
+ */
+#define V4L2_CID_USER_STM32_BASE		(V4L2_CID_USER_BASE + 0x1170)
+
 /* MPEG-class control IDs */
 /* The MPEG controls are applicable to all codec controls
  * and the 'MPEG' part of the define is historical */