diff options
author | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
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committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/drivers/gpu/drm/rcar-du/rcar_du_group.h | |
parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/drivers/gpu/drm/rcar-du/rcar_du_group.h')
-rw-r--r-- | kernel/drivers/gpu/drm/rcar-du/rcar_du_group.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/kernel/drivers/gpu/drm/rcar-du/rcar_du_group.h b/kernel/drivers/gpu/drm/rcar-du/rcar_du_group.h new file mode 100644 index 000000000..ed36433fb --- /dev/null +++ b/kernel/drivers/gpu/drm/rcar-du/rcar_du_group.h @@ -0,0 +1,55 @@ +/* + * rcar_du_group.c -- R-Car Display Unit Planes and CRTCs Group + * + * Copyright (C) 2013-2014 Renesas Electronics Corporation + * + * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef __RCAR_DU_GROUP_H__ +#define __RCAR_DU_GROUP_H__ + +#include <linux/mutex.h> + +#include "rcar_du_plane.h" + +struct rcar_du_device; + +/* + * struct rcar_du_group - CRTCs and planes group + * @dev: the DU device + * @mmio_offset: registers offset in the device memory map + * @index: group index + * @use_count: number of users of the group (rcar_du_group_(get|put)) + * @used_crtcs: number of CRTCs currently in use + * @lock: protects the DPTSR register + * @planes: planes handled by the group + */ +struct rcar_du_group { + struct rcar_du_device *dev; + unsigned int mmio_offset; + unsigned int index; + + unsigned int use_count; + unsigned int used_crtcs; + + struct mutex lock; + + struct rcar_du_planes planes; +}; + +u32 rcar_du_group_read(struct rcar_du_group *rgrp, u32 reg); +void rcar_du_group_write(struct rcar_du_group *rgrp, u32 reg, u32 data); + +int rcar_du_group_get(struct rcar_du_group *rgrp); +void rcar_du_group_put(struct rcar_du_group *rgrp); +void rcar_du_group_start_stop(struct rcar_du_group *rgrp, bool start); +void rcar_du_group_restart(struct rcar_du_group *rgrp); +int rcar_du_group_set_routing(struct rcar_du_group *rgrp); + +#endif /* __RCAR_DU_GROUP_H__ */ |