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96f60e37 RK |
1 | /* |
2 | * Copyright (C) 2012 Russell King | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License version 2 as | |
6 | * published by the Free Software Foundation. | |
7 | */ | |
8 | #ifndef ARMADA_DRM_H | |
9 | #define ARMADA_DRM_H | |
10 | ||
11 | #include <linux/kfifo.h> | |
12 | #include <linux/io.h> | |
13 | #include <linux/workqueue.h> | |
14 | #include <drm/drmP.h> | |
15 | ||
16 | struct armada_crtc; | |
17 | struct armada_gem_object; | |
18 | struct clk; | |
19 | struct drm_fb_helper; | |
20 | ||
21 | static inline void | |
22 | armada_updatel(uint32_t val, uint32_t mask, void __iomem *ptr) | |
23 | { | |
24 | uint32_t ov, v; | |
25 | ||
26 | ov = v = readl_relaxed(ptr); | |
27 | v = (v & ~mask) | val; | |
28 | if (ov != v) | |
29 | writel_relaxed(v, ptr); | |
30 | } | |
31 | ||
32 | static inline uint32_t armada_pitch(uint32_t width, uint32_t bpp) | |
33 | { | |
34 | uint32_t pitch = bpp != 4 ? width * ((bpp + 7) / 8) : width / 2; | |
35 | ||
36 | /* 88AP510 spec recommends pitch be a multiple of 128 */ | |
37 | return ALIGN(pitch, 128); | |
38 | } | |
39 | ||
96f60e37 RK |
40 | |
41 | struct armada_private; | |
42 | ||
43 | struct armada_variant { | |
3ecea269 | 44 | bool has_spu_adv_reg; |
662af0d8 | 45 | uint32_t spu_adv_reg; |
42e62ba7 RK |
46 | int (*init)(struct armada_crtc *, struct device *); |
47 | int (*compute_clock)(struct armada_crtc *, | |
48 | const struct drm_display_mode *, | |
49 | uint32_t *); | |
96f60e37 RK |
50 | }; |
51 | ||
52 | /* Variant ops */ | |
53 | extern const struct armada_variant armada510_ops; | |
54 | ||
55 | struct armada_private { | |
96f60e37 RK |
56 | struct work_struct fb_unref_work; |
57 | DECLARE_KFIFO(fb_unref, struct drm_framebuffer *, 8); | |
58 | struct drm_fb_helper *fbdev; | |
59 | struct armada_crtc *dcrtc[2]; | |
60 | struct drm_mm linear; | |
96f60e37 RK |
61 | struct drm_property *csc_yuv_prop; |
62 | struct drm_property *csc_rgb_prop; | |
63 | struct drm_property *colorkey_prop; | |
64 | struct drm_property *colorkey_min_prop; | |
65 | struct drm_property *colorkey_max_prop; | |
66 | struct drm_property *colorkey_val_prop; | |
67 | struct drm_property *colorkey_alpha_prop; | |
68 | struct drm_property *colorkey_mode_prop; | |
69 | struct drm_property *brightness_prop; | |
70 | struct drm_property *contrast_prop; | |
71 | struct drm_property *saturation_prop; | |
72 | #ifdef CONFIG_DEBUG_FS | |
73 | struct dentry *de; | |
74 | #endif | |
75 | }; | |
76 | ||
77 | void __armada_drm_queue_unref_work(struct drm_device *, | |
78 | struct drm_framebuffer *); | |
79 | void armada_drm_queue_unref_work(struct drm_device *, | |
80 | struct drm_framebuffer *); | |
81 | ||
82 | extern const struct drm_mode_config_funcs armada_drm_mode_config_funcs; | |
83 | ||
84 | int armada_fbdev_init(struct drm_device *); | |
2f5ae490 | 85 | void armada_fbdev_lastclose(struct drm_device *); |
96f60e37 RK |
86 | void armada_fbdev_fini(struct drm_device *); |
87 | ||
88 | int armada_overlay_plane_create(struct drm_device *, unsigned long); | |
89 | ||
90 | int armada_drm_debugfs_init(struct drm_minor *); | |
91 | void armada_drm_debugfs_cleanup(struct drm_minor *); | |
92 | ||
93 | #endif |