1 files changed, 81 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h
new file mode 100644
index 000000000000..5bdf1b4397a0
--- /dev/null
+++ b/drivers/gpu/drm/amd/include/amd_shared.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2015 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 __AMD_SHARED_H__
+#define __AMD_SHARED_H__
+
+enum amd_ip_block_type {
+        AMD_IP_BLOCK_TYPE_COMMON,
+        AMD_IP_BLOCK_TYPE_GMC,
+        AMD_IP_BLOCK_TYPE_IH,
+        AMD_IP_BLOCK_TYPE_SMC,
+        AMD_IP_BLOCK_TYPE_DCE,
+        AMD_IP_BLOCK_TYPE_GFX,
+        AMD_IP_BLOCK_TYPE_SDMA,
+        AMD_IP_BLOCK_TYPE_UVD,
+        AMD_IP_BLOCK_TYPE_VCE,
+};
+
+enum amd_clockgating_state {
+        AMD_CG_STATE_GATE = 0,
+        AMD_CG_STATE_UNGATE,
+};
+
+enum amd_powergating_state {
+        AMD_PG_STATE_GATE = 0,
+        AMD_PG_STATE_UNGATE,
+};
+
+struct amd_ip_funcs {
+        /* sets up early driver state (pre sw_init), does not configure hw - Optional */
+        int (*early_init)(void *handle);
+        /* sets up late driver/hw state (post hw_init) - Optional */
+        int (*late_init)(void *handle);
+        /* sets up driver state, does not configure hw */
+        int (*sw_init)(void *handle);
+        /* tears down driver state, does not configure hw */
+        int (*sw_fini)(void *handle);
+        /* sets up the hw state */
+        int (*hw_init)(void *handle);
+        /* tears down the hw state */
+        int (*hw_fini)(void *handle);
+        /* handles IP specific hw/sw changes for suspend */
+        int (*suspend)(void *handle);
+        /* handles IP specific hw/sw changes for resume */
+        int (*resume)(void *handle);
+        /* returns current IP block idle status */
+        bool (*is_idle)(void *handle);
+        /* poll for idle */
+        int (*wait_for_idle)(void *handle);
+        /* soft reset the IP block */
+        int (*soft_reset)(void *handle);
+        /* dump the IP block status registers */
+        void (*print_status)(void *handle);
+        /* enable/disable cg for the IP block */
+        int (*set_clockgating_state)(void *handle,
+                                     enum amd_clockgating_state state);
+        /* enable/disable pg for the IP block */
+        int (*set_powergating_state)(void *handle,
+                                     enum amd_powergating_state state);
+};
+
+#endif /* __AMD_SHARED_H__ */