diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvif/device.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvif/device.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvif/device.c b/drivers/gpu/drm/nouveau/nvif/device.c new file mode 100644 index 0000000000..8c3d883f33 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvif/device.c @@ -0,0 +1,64 @@ +/* + * Copyright 2014 Red Hat Inc. + * + * 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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. + * + * Authors: Ben Skeggs <bskeggs@redhat.com> + */ + +#include <nvif/device.h> + +u64 +nvif_device_time(struct nvif_device *device) +{ + if (!device->user.func) { + struct nv_device_time_v0 args = {}; + int ret = nvif_object_mthd(&device->object, NV_DEVICE_V0_TIME, + &args, sizeof(args)); + WARN_ON_ONCE(ret != 0); + return args.time; + } + + return device->user.func->time(&device->user); +} + +void +nvif_device_dtor(struct nvif_device *device) +{ + nvif_user_dtor(device); + kfree(device->runlist); + device->runlist = NULL; + nvif_object_dtor(&device->object); +} + +int +nvif_device_ctor(struct nvif_object *parent, const char *name, u32 handle, + s32 oclass, void *data, u32 size, struct nvif_device *device) +{ + int ret = nvif_object_ctor(parent, name ? name : "nvifDevice", handle, + oclass, data, size, &device->object); + device->runlist = NULL; + device->user.func = NULL; + if (ret == 0) { + device->info.version = 0; + ret = nvif_object_mthd(&device->object, NV_DEVICE_V0_INFO, + &device->info, sizeof(device->info)); + } + return ret; +} |