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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 | ||
40 | struct armada_vbl_event { | |
41 | struct list_head node; | |
42 | void *data; | |
43 | void (*fn)(struct armada_crtc *, void *); | |
44 | }; | |
45 | void armada_drm_vbl_event_add(struct armada_crtc *, | |
46 | struct armada_vbl_event *); | |
47 | void armada_drm_vbl_event_remove(struct armada_crtc *, | |
48 | struct armada_vbl_event *); | |
49 | void armada_drm_vbl_event_remove_unlocked(struct armada_crtc *, | |
50 | struct armada_vbl_event *); | |
51 | #define armada_drm_vbl_event_init(_e, _f, _d) do { \ | |
52 | struct armada_vbl_event *__e = _e; \ | |
53 | INIT_LIST_HEAD(&__e->node); \ | |
54 | __e->data = _d; \ | |
55 | __e->fn = _f; \ | |
56 | } while (0) | |
57 | ||
58 | ||
59 | struct armada_private; | |
60 | ||
61 | struct armada_variant { | |
62 | bool has_spu_adv_reg; | |
662af0d8 | 63 | uint32_t spu_adv_reg; |
96f60e37 RK |
64 | int (*init)(struct armada_private *, struct device *); |
65 | int (*crtc_init)(struct armada_crtc *); | |
66 | int (*crtc_compute_clock)(struct armada_crtc *, | |
67 | const struct drm_display_mode *, | |
68 | uint32_t *); | |
69 | }; | |
70 | ||
71 | /* Variant ops */ | |
72 | extern const struct armada_variant armada510_ops; | |
73 | ||
74 | struct armada_private { | |
75 | const struct armada_variant *variant; | |
76 | struct work_struct fb_unref_work; | |
77 | DECLARE_KFIFO(fb_unref, struct drm_framebuffer *, 8); | |
78 | struct drm_fb_helper *fbdev; | |
79 | struct armada_crtc *dcrtc[2]; | |
80 | struct drm_mm linear; | |
81 | struct clk *extclk[2]; | |
82 | struct drm_property *csc_yuv_prop; | |
83 | struct drm_property *csc_rgb_prop; | |
84 | struct drm_property *colorkey_prop; | |
85 | struct drm_property *colorkey_min_prop; | |
86 | struct drm_property *colorkey_max_prop; | |
87 | struct drm_property *colorkey_val_prop; | |
88 | struct drm_property *colorkey_alpha_prop; | |
89 | struct drm_property *colorkey_mode_prop; | |
90 | struct drm_property *brightness_prop; | |
91 | struct drm_property *contrast_prop; | |
92 | struct drm_property *saturation_prop; | |
93 | #ifdef CONFIG_DEBUG_FS | |
94 | struct dentry *de; | |
95 | #endif | |
96 | }; | |
97 | ||
98 | void __armada_drm_queue_unref_work(struct drm_device *, | |
99 | struct drm_framebuffer *); | |
100 | void armada_drm_queue_unref_work(struct drm_device *, | |
101 | struct drm_framebuffer *); | |
102 | ||
103 | extern const struct drm_mode_config_funcs armada_drm_mode_config_funcs; | |
104 | ||
105 | int armada_fbdev_init(struct drm_device *); | |
2f5ae490 | 106 | void armada_fbdev_lastclose(struct drm_device *); |
96f60e37 RK |
107 | void armada_fbdev_fini(struct drm_device *); |
108 | ||
109 | int armada_overlay_plane_create(struct drm_device *, unsigned long); | |
110 | ||
111 | int armada_drm_debugfs_init(struct drm_minor *); | |
112 | void armada_drm_debugfs_cleanup(struct drm_minor *); | |
113 | ||
114 | #endif |