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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
16struct armada_crtc;
17struct armada_gem_object;
18struct clk;
19struct drm_fb_helper;
20
21static inline void
22armada_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
32static 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
41struct armada_private;
42
43struct armada_variant {
44 bool has_spu_adv_reg;
45 uint32_t spu_adv_reg;
46 int (*init)(struct armada_crtc *, struct device *);
47 int (*compute_clock)(struct armada_crtc *,
48 const struct drm_display_mode *,
49 uint32_t *);
50};
51
52/* Variant ops */
53extern const struct armada_variant armada510_ops;
54
55struct armada_private {
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; /* protected by linear_lock */
61 struct mutex linear_lock;
62 struct drm_property *csc_yuv_prop;
63 struct drm_property *csc_rgb_prop;
64 struct drm_property *colorkey_prop;
65 struct drm_property *colorkey_min_prop;
66 struct drm_property *colorkey_max_prop;
67 struct drm_property *colorkey_val_prop;
68 struct drm_property *colorkey_alpha_prop;
69 struct drm_property *colorkey_mode_prop;
70 struct drm_property *brightness_prop;
71 struct drm_property *contrast_prop;
72 struct drm_property *saturation_prop;
73#ifdef CONFIG_DEBUG_FS
74 struct dentry *de;
75#endif
76};
77
78void __armada_drm_queue_unref_work(struct drm_device *,
79 struct drm_framebuffer *);
80void armada_drm_queue_unref_work(struct drm_device *,
81 struct drm_framebuffer *);
82
83extern const struct drm_mode_config_funcs armada_drm_mode_config_funcs;
84
85int armada_fbdev_init(struct drm_device *);
86void armada_fbdev_lastclose(struct drm_device *);
87void armada_fbdev_fini(struct drm_device *);
88
89int armada_overlay_plane_create(struct drm_device *, unsigned long);
90
91int armada_drm_debugfs_init(struct drm_minor *);
92void armada_drm_debugfs_cleanup(struct drm_minor *);
93
94#endif
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
16struct armada_crtc;
17struct armada_gem_object;
18struct clk;
19struct drm_fb_helper;
20
21static inline void
22armada_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
32static 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
40struct armada_vbl_event {
41 struct list_head node;
42 void *data;
43 void (*fn)(struct armada_crtc *, void *);
44};
45void armada_drm_vbl_event_add(struct armada_crtc *,
46 struct armada_vbl_event *);
47void armada_drm_vbl_event_remove(struct armada_crtc *,
48 struct armada_vbl_event *);
49void 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
59struct armada_private;
60
61struct armada_variant {
62 bool has_spu_adv_reg;
63 uint32_t spu_adv_reg;
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 */
72extern const struct armada_variant armada510_ops;
73
74struct 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
98void __armada_drm_queue_unref_work(struct drm_device *,
99 struct drm_framebuffer *);
100void armada_drm_queue_unref_work(struct drm_device *,
101 struct drm_framebuffer *);
102
103extern const struct drm_mode_config_funcs armada_drm_mode_config_funcs;
104
105int armada_fbdev_init(struct drm_device *);
106void armada_fbdev_lastclose(struct drm_device *);
107void armada_fbdev_fini(struct drm_device *);
108
109int armada_overlay_plane_create(struct drm_device *, unsigned long);
110
111int armada_drm_debugfs_init(struct drm_minor *);
112void armada_drm_debugfs_cleanup(struct drm_minor *);
113
114#endif