68 lines
2.2 KiB
C

/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
/*
* Copyright (c) 2022 Rockchip Electronics Co., Ltd.
* Author: Sandy Huang <hjc@rock-chips.com>
*/
#ifndef ROCKCHIP_DRM_DIRECT_SHOW_H
#define ROCKCHIP_DRM_DIRECT_SHOW_H
#include <linux/dma-direction.h>
#include <linux/memblock.h>
#include <drm/drm_atomic_uapi.h>
#include <drm/drm_drv.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_of.h>
#include <drm/drm_probe_helper.h>
#include "rockchip_drm_drv.h"
#include "rockchip_drm_fb.h"
#include "rockchip_drm_gem.h"
struct rockchip_drm_direct_show_buffer {
/* input */
u32 width;
u32 height;
u32 pixel_format;
u32 flag; /* default 0 is scattered buffer, set ROCKCHIP_BO_CONTIG is continue CMA buffer */
/* output */
u32 bpp; /* bits num per pixel */
u32 pitch[3]; /* byte num for each line */
void *vir_addr[3]; /* kernel virtual address, default use vir_addr[0] for RGB format */
dma_addr_t phy_addr[3]; /* physical address when alloc continue cma buffer or secure buffer */
struct rockchip_gem_object *rk_gem_obj;
struct drm_framebuffer *fb;
int dmabuf_fd; /* export dmabuf_fd used by other module */
};
struct rockchip_drm_direct_show_commit_info {
struct drm_crtc *crtc;
struct drm_plane *plane;
struct rockchip_drm_direct_show_buffer *buffer;
u32 src_x;
u32 src_y;
u32 src_w;
u32 src_h;
u32 dst_x;
u32 dst_y;
u32 dst_w;
u32 dst_h;
bool top_zpos;
};
struct drm_device *rockchip_drm_get_dev(void);
int rockchip_drm_direct_show_alloc_buffer(struct drm_device *drm,
struct rockchip_drm_direct_show_buffer *buffer);
void rockchip_drm_direct_show_free_buffer(struct drm_device *drm,
struct rockchip_drm_direct_show_buffer *buffer);
struct drm_crtc *rockchip_drm_direct_show_get_crtc(struct drm_device *drm, const char *name);
struct drm_plane *rockchip_drm_direct_show_get_plane(struct drm_device *drm, const char *name);
int rockchip_drm_direct_show_commit(struct drm_device *drm,
struct rockchip_drm_direct_show_commit_info *commit_info);
int rockchip_drm_direct_show_disable_plane(struct drm_device *drm, struct drm_plane *plane);
int rockchip_drm_direct_show_buf_begin_cpu_access(struct rockchip_drm_direct_show_buffer *buffer);
int rockchip_drm_direct_show_buf_end_cpu_access(struct rockchip_drm_direct_show_buffer *buffer);
#endif