1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2012 Russell King
8 #include <linux/kfifo.h>
10 #include <linux/workqueue.h>
12 #include <drm/drm_device.h>
13 #include <drm/drm_mm.h>
16 struct armada_gem_object;
18 struct drm_display_mode;
20 struct drm_fb_helper_surface_size;
23 armada_updatel(uint32_t val, uint32_t mask, void __iomem *ptr)
27 ov = v = readl_relaxed(ptr);
28 v = (v & ~mask) | val;
30 writel_relaxed(v, ptr);
33 static inline uint32_t armada_pitch(uint32_t width, uint32_t bpp)
35 uint32_t pitch = bpp != 4 ? width * ((bpp + 7) / 8) : width / 2;
37 /* 88AP510 spec recommends pitch be a multiple of 128 */
38 return ALIGN(pitch, 128);
42 struct armada_private;
44 struct armada_variant {
46 int (*init)(struct armada_crtc *, struct device *);
47 int (*compute_clock)(struct armada_crtc *,
48 const struct drm_display_mode *,
50 void (*disable)(struct armada_crtc *);
51 void (*enable)(struct armada_crtc *, const struct drm_display_mode *);
55 extern const struct armada_variant armada510_ops;
57 struct armada_private {
58 struct drm_device drm;
59 struct armada_crtc *dcrtc[2];
60 struct drm_mm linear; /* protected by linear_lock */
61 struct mutex linear_lock;
62 struct drm_property *colorkey_prop;
63 struct drm_property *colorkey_min_prop;
64 struct drm_property *colorkey_max_prop;
65 struct drm_property *colorkey_val_prop;
66 struct drm_property *colorkey_alpha_prop;
67 struct drm_property *colorkey_mode_prop;
68 struct drm_property *brightness_prop;
69 struct drm_property *contrast_prop;
70 struct drm_property *saturation_prop;
71 #ifdef CONFIG_DEBUG_FS
76 #define drm_to_armada_dev(dev) container_of(dev, struct armada_private, drm)
78 #if defined(CONFIG_DRM_FBDEV_EMULATION)
79 int armada_fbdev_driver_fbdev_probe(struct drm_fb_helper *fbh,
80 struct drm_fb_helper_surface_size *sizes);
81 #define ARMADA_FBDEV_DRIVER_OPS \
82 .fbdev_probe = armada_fbdev_driver_fbdev_probe
84 #define ARMADA_FBDEV_DRIVER_OPS \
88 int armada_overlay_plane_create(struct drm_device *, unsigned long);
90 void armada_drm_crtc_debugfs_init(struct armada_crtc *dcrtc);
91 int armada_drm_debugfs_init(struct drm_minor *);