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drm: zte: move CSC register definitions into a common header 

The CSC (Color Space Conversion) block in VOU is used by not only
Graphic Layer (plane) but also channel (CRTC) module.  Let's move
its register definitions into a common header, so that CRTC driver can
include it when needed.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1491490870-6330-3-git-send-email-shawnguo@kernel.org
This commit is contained in:
Shawn Guo 2017-04-06 23:01:08 +08:00
parent 893898f583
commit 9e42b263e8
3 changed files with 32 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
drivers/gpu/drm/zte/zx_common_regs.h Normal file
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@ -0,0 +1,31 @@
/*
* Copyright (C) 2017 Sanechips Technology Co., Ltd.
* Copyright 2017 Linaro Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ZX_COMMON_REGS_H__
#define __ZX_COMMON_REGS_H__
/* CSC registers */
#define CSC_CTRL0 0x30
#define CSC_COV_MODE_SHIFT 16
#define CSC_COV_MODE_MASK (0xffff << CSC_COV_MODE_SHIFT)
#define CSC_BT601_IMAGE_RGB2YCBCR 0
#define CSC_BT601_IMAGE_YCBCR2RGB 1
#define CSC_BT601_VIDEO_RGB2YCBCR 2
#define CSC_BT601_VIDEO_YCBCR2RGB 3
#define CSC_BT709_IMAGE_RGB2YCBCR 4
#define CSC_BT709_IMAGE_YCBCR2RGB 5
#define CSC_BT709_VIDEO_RGB2YCBCR 6
#define CSC_BT709_VIDEO_YCBCR2RGB 7
#define CSC_BT2020_IMAGE_RGB2YCBCR 8
#define CSC_BT2020_IMAGE_YCBCR2RGB 9
#define CSC_BT2020_VIDEO_RGB2YCBCR 10
#define CSC_BT2020_VIDEO_YCBCR2RGB 11
#define CSC_WORK_ENABLE BIT(0)
#endif /* __ZX_COMMON_REGS_H__ */

1
drivers/gpu/drm/zte/zx_plane.c
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@ -16,6 +16,7 @@
#include <drm/drm_plane_helper.h>
#include <drm/drmP.h>
#include "zx_common_regs.h"
#include "zx_drm_drv.h"
#include "zx_plane.h"
#include "zx_plane_regs.h"

18
drivers/gpu/drm/zte/zx_plane_regs.h
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@ -77,24 +77,6 @@
#define LUMA_STRIDE(x) (((x) << LUMA_STRIDE_SHIFT) & LUMA_STRIDE_MASK)
#define CHROMA_STRIDE(x) (((x) << CHROMA_STRIDE_SHIFT) & CHROMA_STRIDE_MASK)
/* CSC registers */
#define CSC_CTRL0 0x30
#define CSC_COV_MODE_SHIFT 16
#define CSC_COV_MODE_MASK (0xffff << CSC_COV_MODE_SHIFT)
#define CSC_BT601_IMAGE_RGB2YCBCR 0
#define CSC_BT601_IMAGE_YCBCR2RGB 1
#define CSC_BT601_VIDEO_RGB2YCBCR 2
#define CSC_BT601_VIDEO_YCBCR2RGB 3
#define CSC_BT709_IMAGE_RGB2YCBCR 4
#define CSC_BT709_IMAGE_YCBCR2RGB 5
#define CSC_BT709_VIDEO_RGB2YCBCR 6
#define CSC_BT709_VIDEO_YCBCR2RGB 7
#define CSC_BT2020_IMAGE_RGB2YCBCR 8
#define CSC_BT2020_IMAGE_YCBCR2RGB 9
#define CSC_BT2020_VIDEO_RGB2YCBCR 10
#define CSC_BT2020_VIDEO_YCBCR2RGB 11
#define CSC_WORK_ENABLE BIT(0)
/* RSZ registers */
#define RSZ_SRC_CFG 0x00
#define RSZ_DEST_CFG 0x04