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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Copyright (C) 2012 Russell King4 */5#ifndef ARMADA_DRM_H6#define ARMADA_DRM_H7 8#include <linux/kfifo.h>9#include <linux/io.h>10#include <linux/workqueue.h>11 12#include <drm/drm_device.h>13#include <drm/drm_mm.h>14 15struct armada_crtc;16struct armada_gem_object;17struct clk;18struct drm_display_mode;19 20static inline void21armada_updatel(uint32_t val, uint32_t mask, void __iomem *ptr)22{23 uint32_t ov, v;24 25 ov = v = readl_relaxed(ptr);26 v = (v & ~mask) | val;27 if (ov != v)28 writel_relaxed(v, ptr);29}30 31static inline uint32_t armada_pitch(uint32_t width, uint32_t bpp)32{33 uint32_t pitch = bpp != 4 ? width * ((bpp + 7) / 8) : width / 2;34 35 /* 88AP510 spec recommends pitch be a multiple of 128 */36 return ALIGN(pitch, 128);37}38 39 40struct armada_private;41 42struct armada_variant {43 bool has_spu_adv_reg;44 int (*init)(struct armada_crtc *, struct device *);45 int (*compute_clock)(struct armada_crtc *,46 const struct drm_display_mode *,47 uint32_t *);48 void (*disable)(struct armada_crtc *);49 void (*enable)(struct armada_crtc *, const struct drm_display_mode *);50};51 52/* Variant ops */53extern const struct armada_variant armada510_ops;54 55struct armada_private {56 struct drm_device drm;57 struct armada_crtc *dcrtc[2];58 struct drm_mm linear; /* protected by linear_lock */59 struct mutex linear_lock;60 struct drm_property *colorkey_prop;61 struct drm_property *colorkey_min_prop;62 struct drm_property *colorkey_max_prop;63 struct drm_property *colorkey_val_prop;64 struct drm_property *colorkey_alpha_prop;65 struct drm_property *colorkey_mode_prop;66 struct drm_property *brightness_prop;67 struct drm_property *contrast_prop;68 struct drm_property *saturation_prop;69#ifdef CONFIG_DEBUG_FS70 struct dentry *de;71#endif72};73 74#define drm_to_armada_dev(dev) container_of(dev, struct armada_private, drm)75 76#if defined(CONFIG_DRM_FBDEV_EMULATION)77void armada_fbdev_setup(struct drm_device *dev);78#else79static inline void armada_fbdev_setup(struct drm_device *dev)80{ }81#endif82 83int armada_overlay_plane_create(struct drm_device *, unsigned long);84 85void armada_drm_crtc_debugfs_init(struct armada_crtc *dcrtc);86int armada_drm_debugfs_init(struct drm_minor *);87 88#endif89