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1/*2 * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER20 * 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#endif82 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_new = nouveau_platform_remove,90};91