diff options
Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_du_drv.h')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_drv.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h b/drivers/gpu/drm/rcar-du/rcar_du_drv.h new file mode 100644 index 00000000000..193cc59d495 --- /dev/null +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h @@ -0,0 +1,66 @@ +/* + * rcar_du_drv.h -- R-Car Display Unit DRM driver + * + * Copyright (C) 2013 Renesas 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_DRV_H__ +#define __RCAR_DU_DRV_H__ + +#include <linux/kernel.h> +#include <linux/mutex.h> +#include <linux/platform_data/rcar-du.h> + +#include "rcar_du_crtc.h" +#include "rcar_du_plane.h" + +struct clk; +struct device; +struct drm_device; + +struct rcar_du_device { + struct device *dev; + const struct rcar_du_platform_data *pdata; + + void __iomem *mmio; + struct clk *clock; + unsigned int use_count; + + struct drm_device *ddev; + + struct rcar_du_crtc crtcs[2]; + unsigned int used_crtcs; + unsigned int num_crtcs; + + struct { + struct rcar_du_plane planes[RCAR_DU_NUM_SW_PLANES]; + unsigned int free; + struct mutex lock; + + struct drm_property *alpha; + struct drm_property *colorkey; + struct drm_property *zpos; + } planes; +}; + +int rcar_du_get(struct rcar_du_device *rcdu); +void rcar_du_put(struct rcar_du_device *rcdu); + +static inline u32 rcar_du_read(struct rcar_du_device *rcdu, u32 reg) +{ + return ioread32(rcdu->mmio + reg); +} + +static inline void rcar_du_write(struct rcar_du_device *rcdu, u32 reg, u32 data) +{ + iowrite32(data, rcdu->mmio + reg); +} + +#endif /* __RCAR_DU_DRV_H__ */ |