1/*
2 * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21 */
22
23#ifndef __NOUVEAU_PLATFORM_H__
24#define __NOUVEAU_PLATFORM_H__
25
26#include "core/device.h"
27#include "core/mm.h"
28
29struct reset_control;
30struct clk;
31struct regulator;
32struct iommu_domain;
33struct platform_driver;
34
35struct nouveau_platform_gpu {
36	struct reset_control *rst;
37	struct clk *clk;
38	struct clk *clk_pwr;
39
40	struct regulator *vdd;
41
42	struct {
43		/*
44		 * Protects accesses to mm from subsystems
45		 */
46		struct mutex mutex;
47
48		struct nvkm_mm _mm;
49		/*
50		 * Just points to _mm. We need this to avoid embedding
51		 * struct nvkm_mm in os.h
52		 */
53		struct nvkm_mm *mm;
54		struct iommu_domain *domain;
55		unsigned long pgshift;
56	} iommu;
57};
58
59struct nouveau_platform_device {
60	struct nvkm_device device;
61
62	struct nouveau_platform_gpu *gpu;
63
64	int gpu_speedo;
65};
66
67#define nv_device_to_platform(d)                                               \
68	container_of(d, struct nouveau_platform_device, device)
69
70extern struct platform_driver nouveau_platform_driver;
71
72#endif
73