/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2012 Russell King */ #ifndef ARMADA_DRM_H #define ARMADA_DRM_H #include <linux/kfifo.h> #include <linux/io.h> #include <linux/workqueue.h> #include <drm/drmP.h> struct armada_crtc; struct armada_gem_object; struct clk; struct drm_fb_helper; static inline void armada_updatel(uint32_t val, uint32_t mask, void __iomem *ptr) { uint32_t ov, v; ov = v = readl_relaxed(ptr); v = (v & ~mask) | val; if (ov != v) writel_relaxed(v, ptr); } static inline uint32_t armada_pitch(uint32_t width, uint32_t bpp) { uint32_t pitch = bpp != 4 ? width * ((bpp + 7) / 8) : width / 2; /* 88AP510 spec recommends pitch be a multiple of 128 */ return ALIGN(pitch, 128); } struct armada_private; struct armada_variant { bool has_spu_adv_reg; int (*init)(struct armada_crtc *, struct device *); int (*compute_clock)(struct armada_crtc *, const struct drm_display_mode *, uint32_t *); void (*disable)(struct armada_crtc *); void (*enable)(struct armada_crtc *, const struct drm_display_mode *); }; /* Variant ops */ extern const struct armada_variant armada510_ops; struct armada_private { struct drm_device drm; struct drm_fb_helper *fbdev; struct armada_crtc *dcrtc[2]; struct drm_mm linear; /* protected by linear_lock */ struct mutex linear_lock; struct drm_property *colorkey_prop; struct drm_property *colorkey_min_prop; struct drm_property *colorkey_max_prop; struct drm_property *colorkey_val_prop; struct drm_property *colorkey_alpha_prop; struct drm_property *colorkey_mode_prop; struct drm_property *brightness_prop; struct drm_property *contrast_prop; struct drm_property *saturation_prop; #ifdef CONFIG_DEBUG_FS struct dentry *de; #endif }; int armada_fbdev_init(struct drm_device *); void armada_fbdev_fini(struct drm_device *); int armada_overlay_plane_create(struct drm_device *, unsigned long); void armada_drm_crtc_debugfs_init(struct armada_crtc *dcrtc); int armada_drm_debugfs_init(struct drm_minor *); #endif