diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h b/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h new file mode 100644 index 000000000000..fd6216efd2b0 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h @@ -0,0 +1,55 @@ +/* + * Copyright 2017 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 __MXGPU_VI_H__ +#define __MXGPU_VI_H__ + +#define VI_MAILBOX_TIMEDOUT 150 +#define VI_MAILBOX_RESET_TIME 12 + +/* VI mailbox messages request */ +enum idh_request { + IDH_REQ_GPU_INIT_ACCESS = 1, + IDH_REL_GPU_INIT_ACCESS, + IDH_REQ_GPU_FINI_ACCESS, + IDH_REL_GPU_FINI_ACCESS, + IDH_REQ_GPU_RESET_ACCESS +}; + +/* VI mailbox messages data */ +enum idh_event { + IDH_CLR_MSG_BUF = 0, + IDH_READY_TO_ACCESS_GPU, + IDH_FLR_NOTIFICATION, + IDH_FLR_NOTIFICATION_CMPL, + IDH_EVENT_MAX +}; + +extern const struct amdgpu_virt_ops xgpu_vi_virt_ops; + +void xgpu_vi_init_golden_registers(struct amdgpu_device *adev); +void xgpu_vi_mailbox_set_irq_funcs(struct amdgpu_device *adev); +int xgpu_vi_mailbox_add_irq_id(struct amdgpu_device *adev); +int xgpu_vi_mailbox_get_irq(struct amdgpu_device *adev); +void xgpu_vi_mailbox_put_irq(struct amdgpu_device *adev); + +#endif |