xref: /linux/drivers/gpu/drm/nouveau/include/nvhw/class/cl006c.h (revision 4b4193256c8d3bc3a5397b5cd9494c2ad386317d)
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