cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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armada_drm.h (2167B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright (C) 2012 Russell King
      4 */
      5#ifndef ARMADA_DRM_H
      6#define ARMADA_DRM_H
      7
      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;
     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	int (*init)(struct armada_crtc *, struct device *);
     46	int (*compute_clock)(struct armada_crtc *,
     47			     const struct drm_display_mode *,
     48			     uint32_t *);
     49	void (*disable)(struct armada_crtc *);
     50	void (*enable)(struct armada_crtc *, const struct drm_display_mode *);
     51};
     52
     53/* Variant ops */
     54extern const struct armada_variant armada510_ops;
     55
     56struct armada_private {
     57	struct drm_device	drm;
     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	*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
     72	struct dentry		*de;
     73#endif
     74};
     75
     76#define drm_to_armada_dev(dev) container_of(dev, struct armada_private, drm)
     77
     78int armada_fbdev_init(struct drm_device *);
     79void armada_fbdev_fini(struct drm_device *);
     80
     81int armada_overlay_plane_create(struct drm_device *, unsigned long);
     82
     83void armada_drm_crtc_debugfs_init(struct armada_crtc *dcrtc);
     84int armada_drm_debugfs_init(struct drm_minor *);
     85
     86#endif