| /* |
| * Copyright (C) 2012 Russell King |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| #ifndef ARMADA_DRM_H |
| #define ARMADA_DRM_H |
| |
| #include <linux/kfifo.h> |
| #include <linux/io.h> |
| #include <linux/workqueue.h> |
| #include <drm/drmP.h> |
| |
| struct armada_crtc; |
| struct armada_gem_object; |
| struct clk; |
| struct drm_fb_helper; |
| |
| 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_vbl_event { |
| struct list_head node; |
| void *data; |
| void (*fn)(struct armada_crtc *, void *); |
| }; |
| void armada_drm_vbl_event_add(struct armada_crtc *, |
| struct armada_vbl_event *); |
| void armada_drm_vbl_event_remove(struct armada_crtc *, |
| struct armada_vbl_event *); |
| void armada_drm_vbl_event_remove_unlocked(struct armada_crtc *, |
| struct armada_vbl_event *); |
| #define armada_drm_vbl_event_init(_e, _f, _d) do { \ |
| struct armada_vbl_event *__e = _e; \ |
| INIT_LIST_HEAD(&__e->node); \ |
| __e->data = _d; \ |
| __e->fn = _f; \ |
| } while (0) |
| |
| |
| struct armada_private; |
| |
| struct armada_variant { |
| bool has_spu_adv_reg; |
| uint32_t spu_adv_reg; |
| int (*init)(struct armada_crtc *, struct device *); |
| int (*compute_clock)(struct armada_crtc *, |
| const struct drm_display_mode *, |
| uint32_t *); |
| }; |
| |
| /* Variant ops */ |
| extern const struct armada_variant armada510_ops; |
| |
| struct armada_private { |
| struct work_struct fb_unref_work; |
| DECLARE_KFIFO(fb_unref, struct drm_framebuffer *, 8); |
| struct drm_fb_helper *fbdev; |
| struct armada_crtc *dcrtc[2]; |
| struct drm_mm linear; |
| struct drm_property *csc_yuv_prop; |
| struct drm_property *csc_rgb_prop; |
| 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 |
| }; |
| |
| void __armada_drm_queue_unref_work(struct drm_device *, |
| struct drm_framebuffer *); |
| void armada_drm_queue_unref_work(struct drm_device *, |
| struct drm_framebuffer *); |
| |
| extern const struct drm_mode_config_funcs armada_drm_mode_config_funcs; |
| |
| int armada_fbdev_init(struct drm_device *); |
| void armada_fbdev_lastclose(struct drm_device *); |
| void armada_fbdev_fini(struct drm_device *); |
| |
| int armada_overlay_plane_create(struct drm_device *, unsigned long); |
| |
| int armada_drm_debugfs_init(struct drm_minor *); |
| void armada_drm_debugfs_cleanup(struct drm_minor *); |
| |
| #endif |