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| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2013-06-19 13:54:11 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2013-06-27 10:08:04 +1000 |
| commit | 4bf8e1962f91eed5dbee168d2348983dda0a518f (patch) | |
| tree | 0abd2388e0dee111b0823a73bfca29a234053e83 /drivers/gpu/drm/rcar-du/rcar_du_plane.h | |
| parent | 0ab3691fa8ac15ed94f9e2fa7c2958ab41d2e3f5 (diff) | |
| download | linux-stable-4bf8e1962f91eed5dbee168d2348983dda0a518f.tar.gz linux-stable-4bf8e1962f91eed5dbee168d2348983dda0a518f.tar.bz2 linux-stable-4bf8e1962f91eed5dbee168d2348983dda0a518f.zip | |
drm: Renesas R-Car Display Unit DRM driver
The R-Car Display Unit (DU) DRM driver supports both superposition
processors and all eight planes in RGB and YUV formats with alpha
blending.
Only VGA and LVDS encoders and connectors are currently supported.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_du_plane.h')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_plane.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.h b/drivers/gpu/drm/rcar-du/rcar_du_plane.h new file mode 100644 index 000000000000..5397dba2fe57 --- /dev/null +++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.h @@ -0,0 +1,67 @@ +/* + * rcar_du_plane.h -- R-Car Display Unit Planes + * + * 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_PLANE_H__ +#define __RCAR_DU_PLANE_H__ + +struct drm_crtc; +struct drm_framebuffer; +struct rcar_du_device; +struct rcar_du_format_info; + +/* The RCAR DU has 8 hardware planes, shared between KMS planes and CRTCs. As + * using KMS planes requires at least one of the CRTCs being enabled, no more + * than 7 KMS planes can be available. We thus create 7 KMS planes and + * 9 software planes (one for each KMS planes and one for each CRTC). + */ + +#define RCAR_DU_NUM_KMS_PLANES 7 +#define RCAR_DU_NUM_HW_PLANES 8 +#define RCAR_DU_NUM_SW_PLANES 9 + +struct rcar_du_plane { + struct rcar_du_device *dev; + struct drm_crtc *crtc; + + bool enabled; + + int hwindex; /* 0-based, -1 means unused */ + unsigned int alpha; + unsigned int colorkey; + unsigned int zpos; + + const struct rcar_du_format_info *format; + + unsigned long dma[2]; + unsigned int pitch; + + unsigned int width; + unsigned int height; + + unsigned int src_x; + unsigned int src_y; + unsigned int dst_x; + unsigned int dst_y; +}; + +int rcar_du_plane_init(struct rcar_du_device *rcdu); +int rcar_du_plane_register(struct rcar_du_device *rcdu); +void rcar_du_plane_setup(struct rcar_du_plane *plane); +void rcar_du_plane_update_base(struct rcar_du_plane *plane); +void rcar_du_plane_compute_base(struct rcar_du_plane *plane, + struct drm_framebuffer *fb); +int rcar_du_plane_reserve(struct rcar_du_plane *plane, + const struct rcar_du_format_info *format); +void rcar_du_plane_release(struct rcar_du_plane *plane); + +#endif /* __RCAR_DU_PLANE_H__ */ |