[mirror_ubuntu-bionic-kernel.git] / drivers / gpu / drm / nouveau / nouveau_platform.c

/*
 * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */
#include "nouveau_platform.h"

static int nouveau_platform_probe(struct platform_device *pdev)
{
	struct nvkm_device *device;
	struct drm_device *drm;
	int ret;

	drm = nouveau_platform_device_create(pdev, &device);
	if (IS_ERR(drm))
		return PTR_ERR(drm);

	ret = drm_dev_register(drm, 0);
	if (ret < 0) {
		drm_dev_unref(drm);
		return ret;
	}

	return 0;
}

static int nouveau_platform_remove(struct platform_device *pdev)
{
	struct drm_device *dev = platform_get_drvdata(pdev);
	nouveau_drm_device_remove(dev);
	return 0;
}

#if IS_ENABLED(CONFIG_OF)
static const struct of_device_id nouveau_platform_match[] = {
	{ .compatible = "nvidia,gk20a" },
	{ .compatible = "nvidia,gm20b" },
	{ }
};

MODULE_DEVICE_TABLE(of, nouveau_platform_match);
#endif

struct platform_driver nouveau_platform_driver = {
	.driver = {
		.name = "nouveau",
		.of_match_table = of_match_ptr(nouveau_platform_match),
	},
	.probe = nouveau_platform_probe,
	.remove = nouveau_platform_remove,
};
Commit	Line	Data
8ba9ff11 AC	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	*/
8ba9ff11 AC	22	#include "nouveau_platform.h"
8ba9ff11 AC	23
8ba9ff11 AC	24	static int nouveau_platform_probe(struct platform_device *pdev)
8ba9ff11 AC	25	{
47b2505e	26	struct nvkm_device *device;
8ba9ff11	27	struct drm_device *drm;
43a70661	28	int ret;
8ba9ff11 AC	29
8ba9ff11 AC	30	drm = nouveau_platform_device_create(pdev, &device);
43a70661 BS	31	if (IS_ERR(drm))
43a70661 BS	32	return PTR_ERR(drm);
8ba9ff11	33
43a70661 BS	34	ret = drm_dev_register(drm, 0);
	35	if (ret < 0) {
	36	drm_dev_unref(drm);
	37	return ret;
	38	}
8ba9ff11 AC	39
8ba9ff11 AC	40	return 0;
8ba9ff11 AC	41	}
	42
	43	static int nouveau_platform_remove(struct platform_device *pdev)
	44	{
43a70661 BS	45	struct drm_device *dev = platform_get_drvdata(pdev);
	46	nouveau_drm_device_remove(dev);
	47	return 0;
8ba9ff11 AC	48	}
	49
	50	#if IS_ENABLED(CONFIG_OF)
	51	static const struct of_device_id nouveau_platform_match[] = {
	52	{ .compatible = "nvidia,gk20a" },
970fee29	53	{ .compatible = "nvidia,gm20b" },
8ba9ff11 AC	54	{ }
	55	};
	56
	57	MODULE_DEVICE_TABLE(of, nouveau_platform_match);
	58	#endif
	59
	60	struct platform_driver nouveau_platform_driver = {
	61	.driver = {
	62	.name = "nouveau",
	63	.of_match_table = of_match_ptr(nouveau_platform_match),
	64	},
	65	.probe = nouveau_platform_probe,
	66	.remove = nouveau_platform_remove,
	67	};