1
0
Fork 0
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

411 lines
9.4 KiB

/*************************************************
* Copyright (C) 2018 Fuzhou Rockchip Electronics Co.Ltd.
*
* Modification based on code covered by the Apache License, Version 2.0 (the "License").
* You may not use this software except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS TO YOU ON AN "AS IS" BASIS
* AND ANY AND ALL WARRANTIES AND REPRESENTATIONS WITH RESPECT TO SUCH SOFTWARE, WHETHER EXPRESS,
* IMPLIED, STATUTORY OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY IMPLIED WARRANTIES OF TITLE,
* NON-INFRINGEMENT, MERCHANTABILITY, SATISFACTROY QUALITY, ACCURACY OR FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.
*
* Author:
* libin <bin.li@rock-chips.com>
* Date:
* 2020-01-09
* Description:
* Output display content by calling libdrm interface.
*
**************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <sys/ioctl.h>
#include "drm.h"
#include "drm_fourcc.h"
#include "libdrm_macros.h"
#include <xf86drm.h>
#include <xf86drmMode.h>
#include "display/vop_buffers.h"
struct drm_rockchip_gem_phys {
uint32_t handle;
uint32_t phy_addr;
};
#define DRM_ROCKCHIP_GEM_GET_PHYS 0x04
#define DRM_IOCTL_ROCKCHIP_GEM_GET_PHYS DRM_IOWR(DRM_COMMAND_BASE + \
DRM_ROCKCHIP_GEM_GET_PHYS, struct drm_rockchip_gem_phys)
/* -----------------------------------------------------------------------------
* Buffers management
*/
static struct bo *
bo_create_dumb(int fd, unsigned int width, unsigned int height, unsigned int bpp, unsigned int flags)
{
struct drm_mode_create_dumb arg;
struct bo *bo;
int ret;
bo = calloc(1, sizeof(*bo));
if (bo == NULL) {
fprintf(stderr, "failed to allocate buffer object\n");
return NULL;
}
memset(&arg, 0, sizeof(arg));
arg.bpp = bpp;
arg.width = width;
arg.height = height;
arg.flags = flags;
ret = drmIoctl(fd, DRM_IOCTL_MODE_CREATE_DUMB, &arg);
if (ret) {
fprintf(stderr, "failed to create dumb buffer: %s\n",
strerror(errno));
free(bo);
return NULL;
}
bo->fd = fd;
bo->handle = arg.handle;
bo->size = arg.size;
bo->pitch = arg.pitch;
return bo;
}
static int bo_map(struct bo *bo, void **out)
{
struct drm_mode_map_dumb arg;
void *map;
int ret;
memset(&arg, 0, sizeof(arg));
arg.handle = bo->handle;
ret = drmIoctl(bo->fd, DRM_IOCTL_MODE_MAP_DUMB, &arg);
if (ret)
return ret;
map = drm_mmap(0, bo->size, PROT_READ | PROT_WRITE, MAP_SHARED,
bo->fd, arg.offset);
if (map == MAP_FAILED)
return -EINVAL;
bo->ptr = map;
*out = map;
return 0;
}
static void bo_unmap(struct bo *bo)
{
if (!bo->ptr)
return;
drm_munmap(bo->ptr, bo->size);
bo->ptr = NULL;
}
unsigned int get_phy_addr(int fd, struct bo *bo)
{
struct drm_rockchip_gem_phys arg;
int ret = 0;
arg.handle = bo->handle;
ret = drmIoctl(fd, DRM_IOCTL_ROCKCHIP_GEM_GET_PHYS, &arg);
if (ret) {
fprintf(stderr, "failed to get phy addr: %s\n",
strerror(errno));
return 0;
}
return arg.phy_addr;
}
struct bo *
bo_create(int fd, unsigned int format,
unsigned int width, unsigned int height,
unsigned int handles[4], unsigned int pitches[4],
unsigned int offsets[4], enum util_fill_pattern pattern,
struct file_arg *file_args)
{
unsigned int virtual_height;
struct bo *bo;
unsigned int bpp;
void *planes[3] = { 0, };
void *virtual = 0;
int ret = 0;
switch (format) {
case DRM_FORMAT_NV12:
case DRM_FORMAT_NV21:
case DRM_FORMAT_NV16:
case DRM_FORMAT_NV61:
case DRM_FORMAT_YUV420:
case DRM_FORMAT_YVU420:
bpp = 8;
break;
case DRM_FORMAT_ARGB4444:
case DRM_FORMAT_XRGB4444:
case DRM_FORMAT_ABGR4444:
case DRM_FORMAT_XBGR4444:
case DRM_FORMAT_RGBA4444:
case DRM_FORMAT_RGBX4444:
case DRM_FORMAT_BGRA4444:
case DRM_FORMAT_BGRX4444:
case DRM_FORMAT_ARGB1555:
case DRM_FORMAT_XRGB1555:
case DRM_FORMAT_ABGR1555:
case DRM_FORMAT_XBGR1555:
case DRM_FORMAT_RGBA5551:
case DRM_FORMAT_RGBX5551:
case DRM_FORMAT_BGRA5551:
case DRM_FORMAT_BGRX5551:
case DRM_FORMAT_RGB565:
case DRM_FORMAT_BGR565:
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
case DRM_FORMAT_YUYV:
case DRM_FORMAT_YVYU:
bpp = 16;
break;
case DRM_FORMAT_BGR888:
case DRM_FORMAT_RGB888:
bpp = 24;
break;
case DRM_FORMAT_ARGB8888:
case DRM_FORMAT_XRGB8888:
case DRM_FORMAT_ABGR8888:
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_RGBA8888:
case DRM_FORMAT_RGBX8888:
case DRM_FORMAT_BGRA8888:
case DRM_FORMAT_BGRX8888:
case DRM_FORMAT_ARGB2101010:
case DRM_FORMAT_XRGB2101010:
case DRM_FORMAT_ABGR2101010:
case DRM_FORMAT_XBGR2101010:
case DRM_FORMAT_RGBA1010102:
case DRM_FORMAT_RGBX1010102:
case DRM_FORMAT_BGRA1010102:
case DRM_FORMAT_BGRX1010102:
bpp = 32;
break;
default:
fprintf(stderr, "unsupported format 0x%08x\n", format);
return NULL;
}
switch (format) {
case DRM_FORMAT_NV12:
case DRM_FORMAT_NV21:
case DRM_FORMAT_YUV420:
case DRM_FORMAT_YVU420:
virtual_height = height * 3 / 2;
break;
case DRM_FORMAT_NV16:
case DRM_FORMAT_NV61:
virtual_height = height * 2;
break;
default:
virtual_height = height;
break;
}
bo = bo_create_dumb(fd, width, virtual_height, bpp, file_args->flags);
if (!bo)
return NULL;
file_args->size = bo->size;
if(file_args->flags & ROCKCHIP_BO_CONTIG || file_args->flags & ROCKCHIP_BO_SECURE){
file_args->phy_addr = (void*)(intptr_t)get_phy_addr(fd, bo);
fprintf(stderr, "get phy addr:0x%x\n",file_args->phy_addr);
}
if((file_args->flags & ROCKCHIP_BO_SECURE) == 0){
ret = bo_map(bo, &virtual);
if (ret) {
fprintf(stderr, "failed to map buffer: %s\n",
strerror(-errno));
bo_destroy(bo);
return NULL;
}
}
/* just testing a limited # of formats to test single
* and multi-planar path.. would be nice to add more..
*/
switch (format) {
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
case DRM_FORMAT_YUYV:
case DRM_FORMAT_YVYU:
offsets[0] = 0;
handles[0] = bo->handle;
pitches[0] = bo->pitch;
planes[0] = virtual;
break;
case DRM_FORMAT_NV12:
case DRM_FORMAT_NV21:
case DRM_FORMAT_NV16:
case DRM_FORMAT_NV61:
offsets[0] = 0;
handles[0] = bo->handle;
pitches[0] = bo->pitch;
pitches[1] = pitches[0];
offsets[1] = pitches[0] * height;
handles[1] = bo->handle;
planes[0] = virtual;
planes[1] = virtual + offsets[1];
break;
case DRM_FORMAT_YUV420:
case DRM_FORMAT_YVU420:
offsets[0] = 0;
handles[0] = bo->handle;
pitches[0] = bo->pitch;
pitches[1] = pitches[0] / 2;
offsets[1] = pitches[0] * height;
handles[1] = bo->handle;
pitches[2] = pitches[1];
offsets[2] = offsets[1] + pitches[1] * height / 2;
handles[2] = bo->handle;
planes[0] = virtual;
planes[1] = virtual + offsets[1];
planes[2] = virtual + offsets[2];
break;
case DRM_FORMAT_ARGB4444:
case DRM_FORMAT_XRGB4444:
case DRM_FORMAT_ABGR4444:
case DRM_FORMAT_XBGR4444:
case DRM_FORMAT_RGBA4444:
case DRM_FORMAT_RGBX4444:
case DRM_FORMAT_BGRA4444:
case DRM_FORMAT_BGRX4444:
case DRM_FORMAT_ARGB1555:
case DRM_FORMAT_XRGB1555:
case DRM_FORMAT_ABGR1555:
case DRM_FORMAT_XBGR1555:
case DRM_FORMAT_RGBA5551:
case DRM_FORMAT_RGBX5551:
case DRM_FORMAT_BGRA5551:
case DRM_FORMAT_BGRX5551:
case DRM_FORMAT_RGB565:
case DRM_FORMAT_BGR565:
case DRM_FORMAT_BGR888:
case DRM_FORMAT_RGB888:
case DRM_FORMAT_ARGB8888:
case DRM_FORMAT_XRGB8888:
case DRM_FORMAT_ABGR8888:
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_RGBA8888:
case DRM_FORMAT_RGBX8888:
case DRM_FORMAT_BGRA8888:
case DRM_FORMAT_BGRX8888:
case DRM_FORMAT_ARGB2101010:
case DRM_FORMAT_XRGB2101010:
case DRM_FORMAT_ABGR2101010:
case DRM_FORMAT_XBGR2101010:
case DRM_FORMAT_RGBA1010102:
case DRM_FORMAT_RGBX1010102:
case DRM_FORMAT_BGRA1010102:
case DRM_FORMAT_BGRX1010102:
offsets[0] = 0;
handles[0] = bo->handle;
pitches[0] = bo->pitch;
planes[0] = virtual;
break;
}
if((file_args->flags & ROCKCHIP_BO_SECURE) == 0){
if(file_args->file_path[0] == 'y'){
util_fill_pattern(format, pattern, planes, width, height, pitches[0]);
}else{
memset(planes[0],0x80,bo->size);
}
}
return bo;
}
void bo_destroy(struct bo *bo)
{
struct drm_mode_destroy_dumb arg;
int ret;
if(bo->ptr != NULL){
bo_unmap(bo);
bo->ptr = NULL;
}
memset(&arg, 0, sizeof(arg));
arg.handle = bo->handle;
ret = drmIoctl(bo->fd, DRM_IOCTL_MODE_DESTROY_DUMB, &arg);
if (ret)
fprintf(stderr, "failed to destroy dumb buffer: %s\n",
strerror(errno));
free(bo);
bo = NULL;
}
struct bo *initial_win_buffer(struct drm_resource *drm_res,struct file_arg *file_args,uint32_t *fb_id)
{
uint32_t handles[4] = {0}, pitches[4] = {0}, offsets[4] = {0};
struct bo * win_bo;
int ret;
int drm_res_fd = drm_res->fd;
uint64_t cap = 0;
ret = drmGetCap(drm_res_fd, DRM_CAP_DUMB_BUFFER, &cap);
if (ret || cap == 0) {
fprintf(stderr, "driver doesn't support the dumb buffer API\n");
return NULL;
}
win_bo = bo_create(drm_res_fd, file_args->fourcc, file_args->w, file_args->h, handles,
pitches, offsets, UTIL_PATTERN_SMPTE, file_args);
if (win_bo == NULL)
return NULL;
file_args->virtual_addr = win_bo->ptr;
ret = drmModeAddFB2(drm_res_fd, file_args->w, file_args->h, file_args->fourcc, handles,
pitches, offsets, fb_id, 0);
if (ret)
fprintf(stderr, "failed to create fb_id %d\n", ret);
return win_bo;
}