2 * Copyright 2014 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
24 #ifndef __AMDGPU_IH_H__
25 #define __AMDGPU_IH_H__
32 struct amdgpu_ih_ring
{
33 struct amdgpu_bo
*ring_obj
;
34 volatile uint32_t *ring
;
46 dma_addr_t rb_dma_addr
; /* only used when use_bus_addr = true */
49 struct amdgpu_iv_entry
{
55 const uint32_t *iv_entry
;
58 int amdgpu_ih_ring_init(struct amdgpu_device
*adev
, unsigned ring_size
,
60 void amdgpu_ih_ring_fini(struct amdgpu_device
*adev
);
61 int amdgpu_ih_process(struct amdgpu_device
*adev
);