blob: f4d5bd31323390fba62d07a3d85cfe4bc11dd0cc [file] [log] [blame]
/*
* Copyright © 2018 Broadcom
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <stdio.h>
#include <sys/ioctl.h>
#include "drm-uapi/v3d_drm.h"
#include "drm-shim/drm_shim.h"
#include "v3d.h"
#include "v3d_simulator_wrapper.h"
bool drm_shim_driver_prefers_first_render_node = false;
static struct v3d_device_info devinfo;
struct v3d_shim_device v3d = {
.devinfo = &devinfo
};
struct v3d_bo *v3d_bo_lookup(struct shim_fd *shim_fd, int handle)
{
return v3d_bo(drm_shim_bo_lookup(shim_fd, handle));
}
int
v3d_ioctl_wait_bo(int fd, unsigned long request, void *arg)
{
/* No need to wait on anything yet, given that we submit
* synchronously.
*/
return 0;
}
int
v3d_ioctl_mmap_bo(int fd, unsigned long request, void *arg)
{
struct shim_fd *shim_fd = drm_shim_fd_lookup(fd);
struct drm_v3d_mmap_bo *map = arg;
struct shim_bo *bo = drm_shim_bo_lookup(shim_fd, map->handle);
map->offset = drm_shim_bo_get_mmap_offset(shim_fd, bo);
drm_shim_bo_put(bo);
return 0;
}
int
v3d_ioctl_get_bo_offset(int fd, unsigned long request, void *arg)
{
struct shim_fd *shim_fd = drm_shim_fd_lookup(fd);
struct drm_v3d_get_bo_offset *get = arg;
struct v3d_bo *bo = v3d_bo_lookup(shim_fd, get->handle);
get->offset = bo->offset;
drm_shim_bo_put(&bo->base);
return 0;
}
void
drm_shim_driver_init(void)
{
shim_device.bus_type = DRM_BUS_PLATFORM;
shim_device.driver_name = "v3d";
drm_shim_override_file("OF_FULLNAME=/rdb/v3d\n"
"OF_COMPATIBLE_N=1\n"
"OF_COMPATIBLE_0=brcm,7278-v3d\n",
"/sys/dev/char/%d:%d/device/uevent",
DRM_MAJOR, render_node_minor);
v3d.hw = v3d_hw_auto_new(NULL);
v3d.devinfo->ver = v3d_hw_get_version(v3d.hw);
if (v3d.devinfo->ver >= 42)
v3d42_drm_shim_driver_init();
else if (v3d.devinfo->ver >= 41)
v3d41_drm_shim_driver_init();
else
v3d33_drm_shim_driver_init();
}