forked from Minki/linux
51dacf2089
ARC PGU could be found on some development boards from Synopsys. This is a simple byte streamer that reads data from a framebuffer and sends data to the single encoder. Signed-off-by: Carlos Palminha <palminha@synopsys.com> Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Cc: David Airlie <airlied@linux.ie> Cc: dri-devel@lists.freedesktop.org Cc: linux-snps-arc@lists.infradead.org
51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/*
|
|
* ARC PGU DRM driver.
|
|
*
|
|
* Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com)
|
|
*
|
|
* 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.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
*/
|
|
|
|
#ifndef _ARCPGU_H_
|
|
#define _ARCPGU_H_
|
|
|
|
struct arcpgu_drm_private {
|
|
void __iomem *regs;
|
|
struct clk *clk;
|
|
struct drm_fbdev_cma *fbdev;
|
|
struct drm_framebuffer *fb;
|
|
struct list_head event_list;
|
|
struct drm_crtc crtc;
|
|
struct drm_plane *plane;
|
|
};
|
|
|
|
#define crtc_to_arcpgu_priv(x) container_of(x, struct arcpgu_drm_private, crtc)
|
|
|
|
static inline void arc_pgu_write(struct arcpgu_drm_private *arcpgu,
|
|
unsigned int reg, u32 value)
|
|
{
|
|
iowrite32(value, arcpgu->regs + reg);
|
|
}
|
|
|
|
static inline u32 arc_pgu_read(struct arcpgu_drm_private *arcpgu,
|
|
unsigned int reg)
|
|
{
|
|
return ioread32(arcpgu->regs + reg);
|
|
}
|
|
|
|
int arc_pgu_setup_crtc(struct drm_device *dev);
|
|
int arcpgu_drm_hdmi_init(struct drm_device *drm, struct device_node *np);
|
|
struct drm_fbdev_cma *arcpgu_fbdev_cma_init(struct drm_device *dev,
|
|
unsigned int preferred_bpp, unsigned int num_crtc,
|
|
unsigned int max_conn_count);
|
|
|
|
#endif
|