diff options
Diffstat (limited to 'drivers/gpu/drm/arc/arcpgu.h')
| -rw-r--r-- | drivers/gpu/drm/arc/arcpgu.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/gpu/drm/arc/arcpgu.h b/drivers/gpu/drm/arc/arcpgu.h new file mode 100644 index 000000000000..86574b698a78 --- /dev/null +++ b/drivers/gpu/drm/arc/arcpgu.h @@ -0,0 +1,50 @@ +/* + * 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 |