1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * (C) COPYRIGHT 2018 ARM Limited. All rights reserved.
 4 * Author: James.Qian.Wang <james.qian.wang@arm.com>
 5 *
 6 */
 7#ifndef _KOMEDA_FRAMEBUFFER_H_
 8#define _KOMEDA_FRAMEBUFFER_H_
 9
10#include <drm/drm_framebuffer.h>
11#include "komeda_format_caps.h"
12
13/**
14 * struct komeda_fb - Entending drm_framebuffer with komeda attribute
15 */
16struct komeda_fb {
17	/** @base: &drm_framebuffer */
18	struct drm_framebuffer base;
19	/**
20	 * @format_caps:
21	 * extends drm_format_info for komeda specific information
22	 */
23	const struct komeda_format_caps *format_caps;
24	/** @is_va: if smmu is enabled, it will be true */
25	bool is_va;
26	/** @aligned_w: aligned frame buffer width */
27	u32 aligned_w;
28	/** @aligned_h: aligned frame buffer height */
29	u32 aligned_h;
30	/** @afbc_size: minimum size of afbc */
31	u32 afbc_size;
32	/** @offset_payload: start of afbc body buffer */
33	u32 offset_payload;
34};
35
36#define to_kfb(dfb)	container_of(dfb, struct komeda_fb, base)
37
38struct drm_framebuffer *
39komeda_fb_create(struct drm_device *dev, struct drm_file *file,
40		const struct drm_mode_fb_cmd2 *mode_cmd);
41int komeda_fb_check_src_coords(const struct komeda_fb *kfb,
42			       u32 src_x, u32 src_y, u32 src_w, u32 src_h);
43dma_addr_t
44komeda_fb_get_pixel_addr(struct komeda_fb *kfb, int x, int y, int plane);
45bool komeda_fb_is_layer_supported(struct komeda_fb *kfb, u32 layer_type,
46		u32 rot);
47
48#endif