mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-22 18:32:14 +07:00
d38ceaf99e
This adds the non-asic specific core driver code. v2: remove extra kconfig option v3: implement minor fixes from Fengguang Wu v4: fix cast in amdgpu_ucode.c Acked-by: Christian König <christian.koenig@amd.com> Acked-by: Jammy Zhou <Jammy.Zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
/*
|
|
* Copyright 2014 Advanced Micro Devices, Inc.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
|
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
|
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
* OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
*/
|
|
|
|
#ifndef __AMDGPU_IH_H__
|
|
#define __AMDGPU_IH_H__
|
|
|
|
struct amdgpu_device;
|
|
|
|
/*
|
|
* R6xx+ IH ring
|
|
*/
|
|
struct amdgpu_ih_ring {
|
|
struct amdgpu_bo *ring_obj;
|
|
volatile uint32_t *ring;
|
|
unsigned rptr;
|
|
unsigned ring_size;
|
|
uint64_t gpu_addr;
|
|
uint32_t ptr_mask;
|
|
atomic_t lock;
|
|
bool enabled;
|
|
unsigned wptr_offs;
|
|
unsigned rptr_offs;
|
|
u32 doorbell_index;
|
|
bool use_doorbell;
|
|
bool use_bus_addr;
|
|
dma_addr_t rb_dma_addr; /* only used when use_bus_addr = true */
|
|
};
|
|
|
|
struct amdgpu_iv_entry {
|
|
unsigned src_id;
|
|
unsigned src_data;
|
|
unsigned ring_id;
|
|
unsigned vm_id;
|
|
unsigned pas_id;
|
|
};
|
|
|
|
int amdgpu_ih_ring_init(struct amdgpu_device *adev, unsigned ring_size,
|
|
bool use_bus_addr);
|
|
void amdgpu_ih_ring_fini(struct amdgpu_device *adev);
|
|
int amdgpu_ih_process(struct amdgpu_device *adev);
|
|
|
|
#endif
|