2 * Copyright 2015 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.
23 #ifndef __AMD_SHARED_H__
24 #define __AMD_SHARED_H__
26 enum amd_ip_block_type {
27 AMD_IP_BLOCK_TYPE_COMMON,
28 AMD_IP_BLOCK_TYPE_GMC,
30 AMD_IP_BLOCK_TYPE_SMC,
31 AMD_IP_BLOCK_TYPE_DCE,
32 AMD_IP_BLOCK_TYPE_GFX,
33 AMD_IP_BLOCK_TYPE_SDMA,
34 AMD_IP_BLOCK_TYPE_UVD,
35 AMD_IP_BLOCK_TYPE_VCE,
38 enum amd_clockgating_state {
39 AMD_CG_STATE_GATE = 0,
43 enum amd_powergating_state {
44 AMD_PG_STATE_GATE = 0,
49 /* sets up early driver state (pre sw_init), does not configure hw - Optional */
50 int (*early_init)(void *handle);
51 /* sets up late driver/hw state (post hw_init) - Optional */
52 int (*late_init)(void *handle);
53 /* sets up driver state, does not configure hw */
54 int (*sw_init)(void *handle);
55 /* tears down driver state, does not configure hw */
56 int (*sw_fini)(void *handle);
57 /* sets up the hw state */
58 int (*hw_init)(void *handle);
59 /* tears down the hw state */
60 int (*hw_fini)(void *handle);
61 /* handles IP specific hw/sw changes for suspend */
62 int (*suspend)(void *handle);
63 /* handles IP specific hw/sw changes for resume */
64 int (*resume)(void *handle);
65 /* returns current IP block idle status */
66 bool (*is_idle)(void *handle);
68 int (*wait_for_idle)(void *handle);
69 /* soft reset the IP block */
70 int (*soft_reset)(void *handle);
71 /* dump the IP block status registers */
72 void (*print_status)(void *handle);
73 /* enable/disable cg for the IP block */
74 int (*set_clockgating_state)(void *handle,
75 enum amd_clockgating_state state);
76 /* enable/disable pg for the IP block */
77 int (*set_powergating_state)(void *handle,
78 enum amd_powergating_state state);
81 #endif /* __AMD_SHARED_H__ */