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This patch adds ARGB hardware cursor support to the DRM driver for the Marvell Armada SoCs. ARGB cursors are supported at either 32x64 or 64x32 resolutions. Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Reviewed-by: Rob Clark <robdclark@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
114 lines
3.0 KiB
C
114 lines
3.0 KiB
C
/*
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* Copyright (C) 2012 Russell King
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef ARMADA_DRM_H
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#define ARMADA_DRM_H
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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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#include <drm/drmP.h>
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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_fb_helper;
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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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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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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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/* 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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struct armada_vbl_event {
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struct list_head node;
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void *data;
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void (*fn)(struct armada_crtc *, void *);
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};
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void armada_drm_vbl_event_add(struct armada_crtc *,
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struct armada_vbl_event *);
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void armada_drm_vbl_event_remove(struct armada_crtc *,
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struct armada_vbl_event *);
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void armada_drm_vbl_event_remove_unlocked(struct armada_crtc *,
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struct armada_vbl_event *);
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#define armada_drm_vbl_event_init(_e, _f, _d) do { \
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struct armada_vbl_event *__e = _e; \
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INIT_LIST_HEAD(&__e->node); \
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__e->data = _d; \
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__e->fn = _f; \
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} while (0)
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struct armada_private;
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struct armada_variant {
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bool has_spu_adv_reg;
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uint32_t spu_adv_reg;
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int (*init)(struct armada_private *, struct device *);
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int (*crtc_init)(struct armada_crtc *);
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int (*crtc_compute_clock)(struct armada_crtc *,
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const struct drm_display_mode *,
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uint32_t *);
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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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struct armada_private {
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const struct armada_variant *variant;
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struct work_struct fb_unref_work;
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DECLARE_KFIFO(fb_unref, struct drm_framebuffer *, 8);
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struct drm_fb_helper *fbdev;
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struct armada_crtc *dcrtc[2];
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struct drm_mm linear;
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struct clk *extclk[2];
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struct drm_property *csc_yuv_prop;
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struct drm_property *csc_rgb_prop;
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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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void __armada_drm_queue_unref_work(struct drm_device *,
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struct drm_framebuffer *);
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void armada_drm_queue_unref_work(struct drm_device *,
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struct drm_framebuffer *);
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extern const struct drm_mode_config_funcs armada_drm_mode_config_funcs;
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int armada_fbdev_init(struct drm_device *);
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void armada_fbdev_fini(struct drm_device *);
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int armada_overlay_plane_create(struct drm_device *, unsigned long);
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int armada_drm_debugfs_init(struct drm_minor *);
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void armada_drm_debugfs_cleanup(struct drm_minor *);
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#endif
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