drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h

   1 /*
   2  * Copyright 2017 Advanced Micro Devices, Inc.
   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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  */
  22
  23 #ifndef __MXGPU_VI_H__
  24 #define __MXGPU_VI_H__
  25
  26 #define VI_MAILBOX_TIMEDOUT     5000
  27 #define VI_MAILBOX_RESET_TIME   12
  28
  29 /* VI mailbox messages request */
  30 enum idh_request {
  31         IDH_REQ_GPU_INIT_ACCESS = 1,
  32         IDH_REL_GPU_INIT_ACCESS,
  33         IDH_REQ_GPU_FINI_ACCESS,
  34         IDH_REL_GPU_FINI_ACCESS,
  35         IDH_REQ_GPU_RESET_ACCESS
  36 };
  37
  38 /* VI mailbox messages data */
  39 enum idh_event {
  40         IDH_CLR_MSG_BUF = 0,
  41         IDH_READY_TO_ACCESS_GPU,
  42         IDH_FLR_NOTIFICATION,
  43         IDH_FLR_NOTIFICATION_CMPL,
  44         IDH_EVENT_MAX
  45 };
  46
  47 extern const struct amdgpu_virt_ops xgpu_vi_virt_ops;
  48
  49 void xgpu_vi_init_golden_registers(struct amdgpu_device *adev);
  50 void xgpu_vi_mailbox_set_irq_funcs(struct amdgpu_device *adev);
  51 int xgpu_vi_mailbox_add_irq_id(struct amdgpu_device *adev);
  52 int xgpu_vi_mailbox_get_irq(struct amdgpu_device *adev);
  53 void xgpu_vi_mailbox_put_irq(struct amdgpu_device *adev);
  54
  55 #endif