diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
---|---|---|
committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/gpu/drm/nouveau/nvif/device.c |
Initial import
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvif/device.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvif/device.c | 78 |
1 files changed, 78 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 000000000..6f72244c5 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvif/device.c @@ -0,0 +1,78 @@ +/* + * 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> + +void +nvif_device_fini(struct nvif_device *device) +{ + nvif_object_fini(&device->base); +} + +int +nvif_device_init(struct nvif_object *parent, void (*dtor)(struct nvif_device *), + u32 handle, u32 oclass, void *data, u32 size, + struct nvif_device *device) +{ + int ret = nvif_object_init(parent, (void *)dtor, handle, oclass, + data, size, &device->base); + if (ret == 0) { + device->object = &device->base; + device->info.version = 0; + ret = nvif_object_mthd(&device->base, NV_DEVICE_V0_INFO, + &device->info, sizeof(device->info)); + } + return ret; +} + +static void +nvif_device_del(struct nvif_device *device) +{ + nvif_device_fini(device); + kfree(device); +} + +int +nvif_device_new(struct nvif_object *parent, u32 handle, u32 oclass, + void *data, u32 size, struct nvif_device **pdevice) +{ + struct nvif_device *device = kzalloc(sizeof(*device), GFP_KERNEL); + if (device) { + int ret = nvif_device_init(parent, nvif_device_del, handle, + oclass, data, size, device); + if (ret) { + kfree(device); + device = NULL; + } + *pdevice = device; + return ret; + } + return -ENOMEM; +} + +void +nvif_device_ref(struct nvif_device *device, struct nvif_device **pdevice) +{ + nvif_object_ref(&device->base, (struct nvif_object **)pdevice); +} |