xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.h (revision d9fd5a71)
1 /*
2  * Copyright 2014 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 
24 #ifndef __MXGPU_NV_H__
25 #define __MXGPU_NV_H__
26 
27 #define NV_MAILBOX_POLL_ACK_TIMEDOUT	500
28 #define NV_MAILBOX_POLL_MSG_TIMEDOUT	6000
29 #define NV_MAILBOX_POLL_FLR_TIMEDOUT	5000
30 #define NV_MAILBOX_POLL_MSG_REP_MAX	11
31 
32 enum idh_request {
33 	IDH_REQ_GPU_INIT_ACCESS = 1,
34 	IDH_REL_GPU_INIT_ACCESS,
35 	IDH_REQ_GPU_FINI_ACCESS,
36 	IDH_REL_GPU_FINI_ACCESS,
37 	IDH_REQ_GPU_RESET_ACCESS,
38 	IDH_REQ_GPU_INIT_DATA,
39 
40 	IDH_LOG_VF_ERROR       = 200,
41 };
42 
43 enum idh_event {
44 	IDH_CLR_MSG_BUF	= 0,
45 	IDH_READY_TO_ACCESS_GPU,
46 	IDH_FLR_NOTIFICATION,
47 	IDH_FLR_NOTIFICATION_CMPL,
48 	IDH_SUCCESS,
49 	IDH_FAIL,
50 	IDH_QUERY_ALIVE,
51 	IDH_REQ_GPU_INIT_DATA_READY,
52 
53 	IDH_TEXT_MESSAGE = 255,
54 };
55 
56 extern const struct amdgpu_virt_ops xgpu_nv_virt_ops;
57 
58 void xgpu_nv_mailbox_set_irq_funcs(struct amdgpu_device *adev);
59 int xgpu_nv_mailbox_add_irq_id(struct amdgpu_device *adev);
60 int xgpu_nv_mailbox_get_irq(struct amdgpu_device *adev);
61 void xgpu_nv_mailbox_put_irq(struct amdgpu_device *adev);
62 
63 #define mmMAILBOX_CONTROL 0xE5E
64 
65 #define NV_MAIBOX_CONTROL_TRN_OFFSET_BYTE (mmMAILBOX_CONTROL * 4)
66 #define NV_MAIBOX_CONTROL_RCV_OFFSET_BYTE (NV_MAIBOX_CONTROL_TRN_OFFSET_BYTE + 1)
67 
68 #define mmMAILBOX_MSGBUF_TRN_DW0 0xE56
69 #define mmMAILBOX_MSGBUF_TRN_DW1 0xE57
70 #define mmMAILBOX_MSGBUF_TRN_DW2 0xE58
71 #define mmMAILBOX_MSGBUF_TRN_DW3 0xE59
72 
73 #define mmMAILBOX_MSGBUF_RCV_DW0 0xE5A
74 #define mmMAILBOX_MSGBUF_RCV_DW1 0xE5B
75 #define mmMAILBOX_MSGBUF_RCV_DW2 0xE5C
76 #define mmMAILBOX_MSGBUF_RCV_DW3 0xE5D
77 
78 #define mmMAILBOX_INT_CNTL 0xE5F
79 
80 #endif
81