xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.h (revision f8e17c17)
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	12000
29 #define NV_MAILBOX_POLL_FLR_TIMEDOUT	500
30 
31 extern const struct amdgpu_virt_ops xgpu_nv_virt_ops;
32 
33 void xgpu_nv_mailbox_set_irq_funcs(struct amdgpu_device *adev);
34 int xgpu_nv_mailbox_add_irq_id(struct amdgpu_device *adev);
35 int xgpu_nv_mailbox_get_irq(struct amdgpu_device *adev);
36 void xgpu_nv_mailbox_put_irq(struct amdgpu_device *adev);
37 
38 #define NV_MAIBOX_CONTROL_TRN_OFFSET_BYTE (SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_MAILBOX_CONTROL) * 4)
39 #define NV_MAIBOX_CONTROL_RCV_OFFSET_BYTE (SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_MAILBOX_CONTROL) * 4 + 1)
40 
41 #endif
42