LXR linux/drivers/gpu/drm/arm/display/komeda/komeda

   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
  49