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      1 /*	$NetBSD: nouveau_nvif_device.c,v 1.3 2021/12/18 23:45:33 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2014 Red Hat Inc.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included in
     14  * all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22  * OTHER DEALINGS IN THE SOFTWARE.
     23  *
     24  * Authors: Ben Skeggs <bskeggs (at) redhat.com>
     25  */
     26 
     27 #include <sys/cdefs.h>
     28 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvif_device.c,v 1.3 2021/12/18 23:45:33 riastradh Exp $");
     29 
     30 #include <nvif/device.h>
     31 
     32 u64
     33 nvif_device_time(struct nvif_device *device)
     34 {
     35 	struct nv_device_time_v0 args = {};
     36 	int ret = nvif_object_mthd(&device->object, NV_DEVICE_V0_TIME,
     37 				   &args, sizeof(args));
     38 	WARN_ON_ONCE(ret != 0);
     39 	return args.time;
     40 }
     41 
     42 void
     43 nvif_device_fini(struct nvif_device *device)
     44 {
     45 	nvif_user_fini(device);
     46 	kfree(device->runlist);
     47 	device->runlist = NULL;
     48 	nvif_object_fini(&device->object);
     49 }
     50 
     51 int
     52 nvif_device_init(struct nvif_object *parent, u32 handle, s32 oclass,
     53 		 void *data, u32 size, struct nvif_device *device)
     54 {
     55 	int ret = nvif_object_init(parent, handle, oclass, data, size,
     56 				   &device->object);
     57 	device->runlist = NULL;
     58 	device->user.func = NULL;
     59 	if (ret == 0) {
     60 		device->info.version = 0;
     61 		ret = nvif_object_mthd(&device->object, NV_DEVICE_V0_INFO,
     62 				       &device->info, sizeof(device->info));
     63 	}
     64 	return ret;
     65 }
     66