1/*
2 * Copyright 2015 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Ben Skeggs <bskeggs@redhat.com>
23 */
24#include "priv.h"
25
26static void
27nvkm_bus_intr(struct nvkm_subdev *subdev)
28{
29	struct nvkm_bus *bus = nvkm_bus(subdev);
30	bus->func->intr(bus);
31}
32
33static int
34nvkm_bus_init(struct nvkm_subdev *subdev)
35{
36	struct nvkm_bus *bus = nvkm_bus(subdev);
37	bus->func->init(bus);
38	return 0;
39}
40
41static void *
42nvkm_bus_dtor(struct nvkm_subdev *subdev)
43{
44	return nvkm_bus(subdev);
45}
46
47static const struct nvkm_subdev_func
48nvkm_bus = {
49	.dtor = nvkm_bus_dtor,
50	.init = nvkm_bus_init,
51	.intr = nvkm_bus_intr,
52};
53
54int
55nvkm_bus_new_(const struct nvkm_bus_func *func, struct nvkm_device *device,
56	      enum nvkm_subdev_type type, int inst, struct nvkm_bus **pbus)
57{
58	struct nvkm_bus *bus;
59	if (!(bus = *pbus = kzalloc(sizeof(*bus), GFP_KERNEL)))
60		return -ENOMEM;
61	nvkm_subdev_ctor(&nvkm_bus, device, type, inst, &bus->subdev);
62	bus->func = func;
63	return 0;
64}
65