diff options
Diffstat (limited to 'drivers/gpu/drm/armada/armada_drm.h')
-rw-r--r-- | drivers/gpu/drm/armada/armada_drm.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/drivers/gpu/drm/armada/armada_drm.h b/drivers/gpu/drm/armada/armada_drm.h new file mode 100644 index 0000000000..c303e8c7ff --- /dev/null +++ b/drivers/gpu/drm/armada/armada_drm.h @@ -0,0 +1,88 @@ +/* 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/drm_device.h> +#include <drm/drm_mm.h> + +struct armada_crtc; +struct armada_gem_object; +struct clk; +struct drm_display_mode; + +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 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 +}; + +#define drm_to_armada_dev(dev) container_of(dev, struct armada_private, drm) + +#if defined(CONFIG_DRM_FBDEV_EMULATION) +void armada_fbdev_setup(struct drm_device *dev); +#else +static inline void armada_fbdev_setup(struct drm_device *dev) +{ } +#endif + +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 |