drivers/gpu/drm/nouveau/include/nvkm/subdev/secboot.h

   1 /*
   2  * Copyright (c) 2016, 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
  23 #ifndef __NVKM_SECURE_BOOT_H__
  24 #define __NVKM_SECURE_BOOT_H__
  25
  26 #include <core/subdev.h>
  27
  28 enum nvkm_secboot_falcon {
  29         NVKM_SECBOOT_FALCON_PMU = 0,
  30         NVKM_SECBOOT_FALCON_RESERVED = 1,
  31         NVKM_SECBOOT_FALCON_FECS = 2,
  32         NVKM_SECBOOT_FALCON_GPCCS = 3,
  33         NVKM_SECBOOT_FALCON_END = 4,
  34         NVKM_SECBOOT_FALCON_INVALID = 0xffffffff,
  35 };
  36
  37 /**
  38  * @base:               base IO address of the falcon performing secure boot
  39  * @irq_mask:           IRQ mask of the falcon performing secure boot
  40  * @enable_mask:        enable mask of the falcon performing secure boot
  41 */
  42 struct nvkm_secboot {
  43         const struct nvkm_secboot_func *func;
  44         struct nvkm_subdev subdev;
  45
  46         enum nvkm_devidx devidx;
  47         u32 base;
  48         u32 enable_mask;
  49 };
  50 #define nvkm_secboot(p) container_of((p), struct nvkm_secboot, subdev)
  51
  52 bool nvkm_secboot_is_managed(struct nvkm_secboot *, enum nvkm_secboot_falcon);
  53 int nvkm_secboot_reset(struct nvkm_secboot *, u32 falcon);
  54 int nvkm_secboot_start(struct nvkm_secboot *, u32 falcon);
  55
  56 int gm200_secboot_new(struct nvkm_device *, int, struct nvkm_secboot **);
  57 int gm20b_secboot_new(struct nvkm_device *, int, struct nvkm_secboot **);
  58
  59 #endif