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#include "nouveau_platform.h"
23
24static int nouveau_platform_probe(struct platform_device *pdev)
25{
26	const struct nvkm_device_tegra_func *func;
27	struct nvkm_device *device = NULL;
28	struct drm_device *drm;
 
29
30	func = of_device_get_match_data(&pdev->dev);
31
32	drm = nouveau_platform_device_create(func, pdev, &device);
33	if (IS_ERR(drm))
34		return PTR_ERR(drm);
35
 
 
 
 
 
 
36	return 0;
37}
38
39static void nouveau_platform_remove(struct platform_device *pdev)
40{
41	struct nouveau_drm *drm = platform_get_drvdata(pdev);
42
43	nouveau_drm_device_remove(drm);
44}
45
46#if IS_ENABLED(CONFIG_OF)
47static const struct nvkm_device_tegra_func gk20a_platform_data = {
48	.iommu_bit = 34,
49	.require_vdd = true,
50};
51
52static const struct nvkm_device_tegra_func gm20b_platform_data = {
53	.iommu_bit = 34,
54	.require_vdd = true,
55	.require_ref_clk = true,
56};
57
58static const struct nvkm_device_tegra_func gp10b_platform_data = {
59	.iommu_bit = 36,
60	/* power provided by generic PM domains */
61	.require_vdd = false,
62};
63
64static const struct of_device_id nouveau_platform_match[] = {
65	{
66		.compatible = "nvidia,gk20a",
67		.data = &gk20a_platform_data,
68	},
69	{
70		.compatible = "nvidia,gm20b",
71		.data = &gm20b_platform_data,
72	},
73	{
74		.compatible = "nvidia,gp10b",
75		.data = &gp10b_platform_data,
76	},
77	{ }
78};
79
80MODULE_DEVICE_TABLE(of, nouveau_platform_match);
81#endif
82
83struct platform_driver nouveau_platform_driver = {
84	.driver = {
85		.name = "nouveau",
86		.of_match_table = of_match_ptr(nouveau_platform_match),
87	},
88	.probe = nouveau_platform_probe,
89	.remove = nouveau_platform_remove,
90};

 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#include "nouveau_platform.h"
23
24static int nouveau_platform_probe(struct platform_device *pdev)
25{
26	const struct nvkm_device_tegra_func *func;
27	struct nvkm_device *device = NULL;
28	struct drm_device *drm;
29	int ret;
30
31	func = of_device_get_match_data(&pdev->dev);
32
33	drm = nouveau_platform_device_create(func, pdev, &device);
34	if (IS_ERR(drm))
35		return PTR_ERR(drm);
36
37	ret = drm_dev_register(drm, 0);
38	if (ret < 0) {
39		drm_dev_put(drm);
40		return ret;
41	}
42
43	return 0;
44}
45
46static void nouveau_platform_remove(struct platform_device *pdev)
47{
48	struct drm_device *dev = platform_get_drvdata(pdev);
49	nouveau_drm_device_remove(dev);
 
50}
51
52#if IS_ENABLED(CONFIG_OF)
53static const struct nvkm_device_tegra_func gk20a_platform_data = {
54	.iommu_bit = 34,
55	.require_vdd = true,
56};
57
58static const struct nvkm_device_tegra_func gm20b_platform_data = {
59	.iommu_bit = 34,
60	.require_vdd = true,
61	.require_ref_clk = true,
62};
63
64static const struct nvkm_device_tegra_func gp10b_platform_data = {
65	.iommu_bit = 36,
66	/* power provided by generic PM domains */
67	.require_vdd = false,
68};
69
70static const struct of_device_id nouveau_platform_match[] = {
71	{
72		.compatible = "nvidia,gk20a",
73		.data = &gk20a_platform_data,
74	},
75	{
76		.compatible = "nvidia,gm20b",
77		.data = &gm20b_platform_data,
78	},
79	{
80		.compatible = "nvidia,gp10b",
81		.data = &gp10b_platform_data,
82	},
83	{ }
84};
85
86MODULE_DEVICE_TABLE(of, nouveau_platform_match);
87#endif
88
89struct platform_driver nouveau_platform_driver = {
90	.driver = {
91		.name = "nouveau",
92		.of_match_table = of_match_ptr(nouveau_platform_match),
93	},
94	.probe = nouveau_platform_probe,
95	.remove_new = nouveau_platform_remove,
96};