xref: /linux/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h (revision e65e175b07bef5974045cc42238de99057669ca7)
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	12000
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 	IDH_LOG_VF_ERROR       = 200,
38 };
39 
40 /* VI mailbox messages data */
41 enum idh_event {
42 	IDH_CLR_MSG_BUF = 0,
43 	IDH_READY_TO_ACCESS_GPU,
44 	IDH_FLR_NOTIFICATION,
45 	IDH_FLR_NOTIFICATION_CMPL,
46 
47 	IDH_TEXT_MESSAGE = 255
48 };
49 
50 extern const struct amdgpu_virt_ops xgpu_vi_virt_ops;
51 
52 void xgpu_vi_init_golden_registers(struct amdgpu_device *adev);
53 void xgpu_vi_mailbox_set_irq_funcs(struct amdgpu_device *adev);
54 int xgpu_vi_mailbox_add_irq_id(struct amdgpu_device *adev);
55 int xgpu_vi_mailbox_get_irq(struct amdgpu_device *adev);
56 void xgpu_vi_mailbox_put_irq(struct amdgpu_device *adev);
57 
58 #endif
59