| /* |
| * 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" |
| |
| 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.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(); |
| } |