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