projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 4bf8e196 LP |
1 | /* |
| 2 | * rcar_du_plane.h -- R-Car Display Unit Planes | |
| 3 | * | |
| 36d50464 | 4 | * Copyright (C) 2013-2014 Renesas Electronics Corporation |
| 4bf8e196 LP |
5 | * |
| 6 | * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or modify | |
| 9 | * it under the terms of the GNU General Public License as published by | |
| 10 | * the Free Software Foundation; either version 2 of the License, or | |
| 11 | * (at your option) any later version. | |
| 12 | */ | |
| 13 | ||
| 14 | #ifndef __RCAR_DU_PLANE_H__ | |
| 15 | #define __RCAR_DU_PLANE_H__ | |
| 16 | ||
| ae425b6a LP |
17 | #include <linux/mutex.h> |
| 18 | ||
| 19 | #include <drm/drmP.h> | |
| 20 | #include <drm/drm_crtc.h> | |
| 21 | ||
| 4bf8e196 | 22 | struct rcar_du_format_info; |
| cb2025d2 | 23 | struct rcar_du_group; |
| 4bf8e196 LP |
24 | |
| 25 | /* The RCAR DU has 8 hardware planes, shared between KMS planes and CRTCs. As | |
| 26 | * using KMS planes requires at least one of the CRTCs being enabled, no more | |
| 27 | * than 7 KMS planes can be available. We thus create 7 KMS planes and | |
| 28 | * 9 software planes (one for each KMS planes and one for each CRTC). | |
| 29 | */ | |
| 30 | ||
| 31 | #define RCAR_DU_NUM_KMS_PLANES 7 | |
| 32 | #define RCAR_DU_NUM_HW_PLANES 8 | |
| 33 | #define RCAR_DU_NUM_SW_PLANES 9 | |
| 34 | ||
| 35 | struct rcar_du_plane { | |
| cb2025d2 | 36 | struct rcar_du_group *group; |
| 4bf8e196 LP |
37 | struct drm_crtc *crtc; |
| 38 | ||
| 39 | bool enabled; | |
| 40 | ||
| 41 | int hwindex; /* 0-based, -1 means unused */ | |
| 42 | unsigned int alpha; | |
| 43 | unsigned int colorkey; | |
| 44 | unsigned int zpos; | |
| 45 | ||
| 46 | const struct rcar_du_format_info *format; | |
| 47 | ||
| 48 | unsigned long dma[2]; | |
| 49 | unsigned int pitch; | |
| 50 | ||
| 51 | unsigned int width; | |
| 52 | unsigned int height; | |
| 53 | ||
| 54 | unsigned int src_x; | |
| 55 | unsigned int src_y; | |
| 56 | unsigned int dst_x; | |
| 57 | unsigned int dst_y; | |
| 58 | }; | |
| 59 | ||
| ae425b6a LP |
60 | struct rcar_du_planes { |
| 61 | struct rcar_du_plane planes[RCAR_DU_NUM_SW_PLANES]; | |
| 62 | unsigned int free; | |
| 63 | struct mutex lock; | |
| 64 | ||
| 65 | struct drm_property *alpha; | |
| 66 | struct drm_property *colorkey; | |
| 67 | struct drm_property *zpos; | |
| 68 | }; | |
| 69 | ||
| cb2025d2 LP |
70 | int rcar_du_planes_init(struct rcar_du_group *rgrp); |
| 71 | int rcar_du_planes_register(struct rcar_du_group *rgrp); | |
| 7fe99fda | 72 | |
| 4bf8e196 LP |
73 | void rcar_du_plane_setup(struct rcar_du_plane *plane); |
| 74 | void rcar_du_plane_update_base(struct rcar_du_plane *plane); | |
| 75 | void rcar_du_plane_compute_base(struct rcar_du_plane *plane, | |
| 76 | struct drm_framebuffer *fb); | |
| 77 | int rcar_du_plane_reserve(struct rcar_du_plane *plane, | |
| 78 | const struct rcar_du_format_info *format); | |
| 79 | void rcar_du_plane_release(struct rcar_du_plane *plane); | |
| 80 | ||
| 81 | #endif /* __RCAR_DU_PLANE_H__ */ |