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 
24 static 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 
46 static int nouveau_platform_remove(struct platform_device *pdev)
47 {
48 	struct drm_device *dev = platform_get_drvdata(pdev);
49 	nouveau_drm_device_remove(dev);
50 	return 0;
51 }
52 
53 #if IS_ENABLED(CONFIG_OF)
54 static const struct nvkm_device_tegra_func gk20a_platform_data = {
55 	.iommu_bit = 34,
56 	.require_vdd = true,
57 };
58 
59 static const struct nvkm_device_tegra_func gm20b_platform_data = {
60 	.iommu_bit = 34,
61 	.require_vdd = true,
62 	.require_ref_clk = true,
63 };
64 
65 static const struct nvkm_device_tegra_func gp10b_platform_data = {
66 	.iommu_bit = 36,
67 	/* power provided by generic PM domains */
68 	.require_vdd = false,
69 };
70 
71 static const struct of_device_id nouveau_platform_match[] = {
72 	{
73 		.compatible = "nvidia,gk20a",
74 		.data = &gk20a_platform_data,
75 	},
76 	{
77 		.compatible = "nvidia,gm20b",
78 		.data = &gm20b_platform_data,
79 	},
80 	{
81 		.compatible = "nvidia,gp10b",
82 		.data = &gp10b_platform_data,
83 	},
84 	{ }
85 };
86 
87 MODULE_DEVICE_TABLE(of, nouveau_platform_match);
88 #endif
89 
90 struct platform_driver nouveau_platform_driver = {
91 	.driver = {
92 		.name = "nouveau",
93 		.of_match_table = of_match_ptr(nouveau_platform_match),
94 	},
95 	.probe = nouveau_platform_probe,
96 	.remove = nouveau_platform_remove,
97 };
98 
99 #if IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC) || IS_ENABLED(CONFIG_ARCH_TEGRA_132_SOC)
100 MODULE_FIRMWARE("nvidia/gk20a/fecs_data.bin");
101 MODULE_FIRMWARE("nvidia/gk20a/fecs_inst.bin");
102 MODULE_FIRMWARE("nvidia/gk20a/gpccs_data.bin");
103 MODULE_FIRMWARE("nvidia/gk20a/gpccs_inst.bin");
104 MODULE_FIRMWARE("nvidia/gk20a/sw_bundle_init.bin");
105 MODULE_FIRMWARE("nvidia/gk20a/sw_ctx.bin");
106 MODULE_FIRMWARE("nvidia/gk20a/sw_method_init.bin");
107 MODULE_FIRMWARE("nvidia/gk20a/sw_nonctx.bin");
108 #endif
109