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4bf8e196 LP |
1 | /* |
2 | * rcar_du_drv.h -- R-Car Display Unit DRM driver | |
3 | * | |
4 | * Copyright (C) 2013 Renesas Corporation | |
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_DRV_H__ | |
15 | #define __RCAR_DU_DRV_H__ | |
16 | ||
17 | #include <linux/kernel.h> | |
18 | #include <linux/mutex.h> | |
19 | #include <linux/platform_data/rcar-du.h> | |
20 | ||
21 | #include "rcar_du_crtc.h" | |
22 | #include "rcar_du_plane.h" | |
23 | ||
24 | struct clk; | |
25 | struct device; | |
26 | struct drm_device; | |
27 | ||
28 | struct rcar_du_device { | |
29 | struct device *dev; | |
30 | const struct rcar_du_platform_data *pdata; | |
31 | ||
32 | void __iomem *mmio; | |
33 | struct clk *clock; | |
34 | unsigned int use_count; | |
35 | ||
36 | struct drm_device *ddev; | |
37 | ||
38 | struct rcar_du_crtc crtcs[2]; | |
39 | unsigned int used_crtcs; | |
40 | unsigned int num_crtcs; | |
41 | ||
42 | struct { | |
43 | struct rcar_du_plane planes[RCAR_DU_NUM_SW_PLANES]; | |
44 | unsigned int free; | |
45 | struct mutex lock; | |
46 | ||
47 | struct drm_property *alpha; | |
48 | struct drm_property *colorkey; | |
49 | struct drm_property *zpos; | |
50 | } planes; | |
51 | }; | |
52 | ||
53 | int rcar_du_get(struct rcar_du_device *rcdu); | |
54 | void rcar_du_put(struct rcar_du_device *rcdu); | |
55 | ||
56 | static inline u32 rcar_du_read(struct rcar_du_device *rcdu, u32 reg) | |
57 | { | |
58 | return ioread32(rcdu->mmio + reg); | |
59 | } | |
60 | ||
61 | static inline void rcar_du_write(struct rcar_du_device *rcdu, u32 reg, u32 data) | |
62 | { | |
63 | iowrite32(data, rcdu->mmio + reg); | |
64 | } | |
65 | ||
66 | #endif /* __RCAR_DU_DRV_H__ */ |