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_format_info *info,
41 const struct drm_mode_fb_cmd2 *mode_cmd);
42int komeda_fb_check_src_coords(const struct komeda_fb *kfb,
43 u32 src_x, u32 src_y, u32 src_w, u32 src_h);
44dma_addr_t
45komeda_fb_get_pixel_addr(struct komeda_fb *kfb, int x, int y, int plane);
46bool komeda_fb_is_layer_supported(struct komeda_fb *kfb, u32 layer_type,
47 u32 rot);
48
49#endif
50

source code of linux/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.h