LXR linux/drivers/gpu/drm/nouveau/nouveau

   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 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)
  54static const struct nvkm_device_tegra_func gk20a_platform_data = {
  55        .iommu_bit = 34,
  56        .require_vdd = true,
  57};
  58
  59static const struct nvkm_device_tegra_func gm20b_platform_data = {
  60        .iommu_bit = 34,
  61        .require_vdd = true,
  62        .require_ref_clk = true,
  63};
  64
  65static 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
  71static 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
  87MODULE_DEVICE_TABLE(of, nouveau_platform_match);
  88#endif
  89
  90struct 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)
 100MODULE_FIRMWARE("nvidia/gk20a/fecs_data.bin");
 101MODULE_FIRMWARE("nvidia/gk20a/fecs_inst.bin");
 102MODULE_FIRMWARE("nvidia/gk20a/gpccs_data.bin");
 103MODULE_FIRMWARE("nvidia/gk20a/gpccs_inst.bin");
 104MODULE_FIRMWARE("nvidia/gk20a/sw_bundle_init.bin");
 105MODULE_FIRMWARE("nvidia/gk20a/sw_ctx.bin");
 106MODULE_FIRMWARE("nvidia/gk20a/sw_method_init.bin");
 107MODULE_FIRMWARE("nvidia/gk20a/sw_nonctx.bin");
 108#endif
 109