linux/drivers/gpu/drm/nouveau/include/nvhw/class/cl006c.h
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   1/*******************************************************************************
   2    Copyright (c) 2020, 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 _cl006c_h_
  24#define _cl006c_h_
  25
  26/* fields and values */
  27#define NV06C_PUT                                                  (0x00000040)
  28#define NV06C_PUT_PTR                                              31:2
  29#define NV06C_GET                                                  (0x00000044)
  30#define NV06C_GET_PTR                                              31:2
  31
  32/* dma method descriptor format */
  33#define NV06C_METHOD_ADDRESS                                       12:2
  34#define NV06C_METHOD_SUBCHANNEL                                    15:13
  35#define NV06C_METHOD_COUNT                                         28:18
  36#define NV06C_OPCODE                                               31:29
  37#define NV06C_OPCODE_METHOD                                        (0x00000000)
  38#define NV06C_OPCODE_NONINC_METHOD                                 (0x00000002)
  39
  40/* dma data format */
  41#define NV06C_DATA                                                 31:0
  42
  43/* dma jump format */
  44#define NV06C_OPCODE_JUMP                                          (0x00000001)
  45#define NV06C_JUMP_OFFSET                                          28:2
  46#endif /* _cl006c_h_ */
  47