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 #include <drm/amd_asic_type.h>
29 #define AMD_MAX_USEC_TIMEOUT 200000 /* 200 ms */
35 AMD_ASIC_MASK = 0x0000ffffUL,
36 AMD_FLAGS_MASK = 0xffff0000UL,
37 AMD_IS_MOBILITY = 0x00010000UL,
38 AMD_IS_APU = 0x00020000UL,
39 AMD_IS_PX = 0x00040000UL,
40 AMD_EXP_HW_SUPPORT = 0x00080000UL,
43 enum amd_ip_block_type {
44 AMD_IP_BLOCK_TYPE_COMMON,
45 AMD_IP_BLOCK_TYPE_GMC,
47 AMD_IP_BLOCK_TYPE_SMC,
48 AMD_IP_BLOCK_TYPE_PSP,
49 AMD_IP_BLOCK_TYPE_DCE,
50 AMD_IP_BLOCK_TYPE_GFX,
51 AMD_IP_BLOCK_TYPE_SDMA,
52 AMD_IP_BLOCK_TYPE_UVD,
53 AMD_IP_BLOCK_TYPE_VCE,
54 AMD_IP_BLOCK_TYPE_ACP,
58 enum amd_clockgating_state {
59 AMD_CG_STATE_GATE = 0,
64 enum amd_powergating_state {
65 AMD_PG_STATE_GATE = 0,
71 #define AMD_CG_SUPPORT_GFX_MGCG (1 << 0)
72 #define AMD_CG_SUPPORT_GFX_MGLS (1 << 1)
73 #define AMD_CG_SUPPORT_GFX_CGCG (1 << 2)
74 #define AMD_CG_SUPPORT_GFX_CGLS (1 << 3)
75 #define AMD_CG_SUPPORT_GFX_CGTS (1 << 4)
76 #define AMD_CG_SUPPORT_GFX_CGTS_LS (1 << 5)
77 #define AMD_CG_SUPPORT_GFX_CP_LS (1 << 6)
78 #define AMD_CG_SUPPORT_GFX_RLC_LS (1 << 7)
79 #define AMD_CG_SUPPORT_MC_LS (1 << 8)
80 #define AMD_CG_SUPPORT_MC_MGCG (1 << 9)
81 #define AMD_CG_SUPPORT_SDMA_LS (1 << 10)
82 #define AMD_CG_SUPPORT_SDMA_MGCG (1 << 11)
83 #define AMD_CG_SUPPORT_BIF_LS (1 << 12)
84 #define AMD_CG_SUPPORT_UVD_MGCG (1 << 13)
85 #define AMD_CG_SUPPORT_VCE_MGCG (1 << 14)
86 #define AMD_CG_SUPPORT_HDP_LS (1 << 15)
87 #define AMD_CG_SUPPORT_HDP_MGCG (1 << 16)
88 #define AMD_CG_SUPPORT_ROM_MGCG (1 << 17)
89 #define AMD_CG_SUPPORT_DRM_LS (1 << 18)
90 #define AMD_CG_SUPPORT_BIF_MGCG (1 << 19)
91 #define AMD_CG_SUPPORT_GFX_3D_CGCG (1 << 20)
92 #define AMD_CG_SUPPORT_GFX_3D_CGLS (1 << 21)
93 #define AMD_CG_SUPPORT_DRM_MGCG (1 << 22)
94 #define AMD_CG_SUPPORT_DF_MGCG (1 << 23)
97 #define AMD_PG_SUPPORT_GFX_PG (1 << 0)
98 #define AMD_PG_SUPPORT_GFX_SMG (1 << 1)
99 #define AMD_PG_SUPPORT_GFX_DMG (1 << 2)
100 #define AMD_PG_SUPPORT_UVD (1 << 3)
101 #define AMD_PG_SUPPORT_VCE (1 << 4)
102 #define AMD_PG_SUPPORT_CP (1 << 5)
103 #define AMD_PG_SUPPORT_GDS (1 << 6)
104 #define AMD_PG_SUPPORT_RLC_SMU_HS (1 << 7)
105 #define AMD_PG_SUPPORT_SDMA (1 << 8)
106 #define AMD_PG_SUPPORT_ACP (1 << 9)
107 #define AMD_PG_SUPPORT_SAMU (1 << 10)
108 #define AMD_PG_SUPPORT_GFX_QUICK_MG (1 << 11)
109 #define AMD_PG_SUPPORT_GFX_PIPELINE (1 << 12)
110 #define AMD_PG_SUPPORT_MMHUB (1 << 13)
112 struct amd_ip_funcs {
113 /* Name of IP block */
115 /* sets up early driver state (pre sw_init), does not configure hw - Optional */
116 int (*early_init)(void *handle);
117 /* sets up late driver/hw state (post hw_init) - Optional */
118 int (*late_init)(void *handle);
119 /* sets up driver state, does not configure hw */
120 int (*sw_init)(void *handle);
121 /* tears down driver state, does not configure hw */
122 int (*sw_fini)(void *handle);
123 /* sets up the hw state */
124 int (*hw_init)(void *handle);
125 /* tears down the hw state */
126 int (*hw_fini)(void *handle);
127 void (*late_fini)(void *handle);
128 /* handles IP specific hw/sw changes for suspend */
129 int (*suspend)(void *handle);
130 /* handles IP specific hw/sw changes for resume */
131 int (*resume)(void *handle);
132 /* returns current IP block idle status */
133 bool (*is_idle)(void *handle);
135 int (*wait_for_idle)(void *handle);
136 /* check soft reset the IP block */
137 bool (*check_soft_reset)(void *handle);
138 /* pre soft reset the IP block */
139 int (*pre_soft_reset)(void *handle);
140 /* soft reset the IP block */
141 int (*soft_reset)(void *handle);
142 /* post soft reset the IP block */
143 int (*post_soft_reset)(void *handle);
144 /* enable/disable cg for the IP block */
145 int (*set_clockgating_state)(void *handle,
146 enum amd_clockgating_state state);
147 /* enable/disable pg for the IP block */
148 int (*set_powergating_state)(void *handle,
149 enum amd_powergating_state state);
150 /* get current clockgating status */
151 void (*get_clockgating_state)(void *handle, u32 *flags);
155 #endif /* __AMD_SHARED_H__ */