drm/amdgpu/virt: implement VI virt operation interfaces

VI has asic specific virt support, which including mailbox and
golden registers init.

Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Signed-off-by: shaoyunl <Shaoyun.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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