xref: /openbmc/linux/drivers/gpu/drm/amd/include/amd_shared.h (revision 781095f903f398148cd0b646d3984234a715f29e)
1 /*
2  * Copyright 2015 Advanced Micro Devices, Inc.
3  *
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:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
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.
21  */
22 
23 #ifndef __AMD_SHARED_H__
24 #define __AMD_SHARED_H__
25 
26 #define AMD_MAX_USEC_TIMEOUT		100000  /* 100 ms */
27 
28 /*
29 * Supported GPU families (aligned with amdgpu_drm.h)
30 */
31 #define AMD_FAMILY_UNKNOWN              0
32 #define AMD_FAMILY_CI                   120 /* Bonaire, Hawaii */
33 #define AMD_FAMILY_KV                   125 /* Kaveri, Kabini, Mullins */
34 #define AMD_FAMILY_VI                   130 /* Iceland, Tonga */
35 #define AMD_FAMILY_CZ                   135 /* Carrizo */
36 
37 /*
38  * Supported ASIC types
39  */
40 enum amd_asic_type {
41 	CHIP_BONAIRE = 0,
42 	CHIP_KAVERI,
43 	CHIP_KABINI,
44 	CHIP_HAWAII,
45 	CHIP_MULLINS,
46 	CHIP_TOPAZ,
47 	CHIP_TONGA,
48 	CHIP_FIJI,
49 	CHIP_CARRIZO,
50 	CHIP_STONEY,
51 	CHIP_LAST,
52 };
53 
54 /*
55  * Chip flags
56  */
57 enum amd_chip_flags {
58 	AMD_ASIC_MASK = 0x0000ffffUL,
59 	AMD_FLAGS_MASK  = 0xffff0000UL,
60 	AMD_IS_MOBILITY = 0x00010000UL,
61 	AMD_IS_APU      = 0x00020000UL,
62 	AMD_IS_PX       = 0x00040000UL,
63 	AMD_EXP_HW_SUPPORT = 0x00080000UL,
64 };
65 
66 enum amd_ip_block_type {
67 	AMD_IP_BLOCK_TYPE_COMMON,
68 	AMD_IP_BLOCK_TYPE_GMC,
69 	AMD_IP_BLOCK_TYPE_IH,
70 	AMD_IP_BLOCK_TYPE_SMC,
71 	AMD_IP_BLOCK_TYPE_DCE,
72 	AMD_IP_BLOCK_TYPE_GFX,
73 	AMD_IP_BLOCK_TYPE_SDMA,
74 	AMD_IP_BLOCK_TYPE_UVD,
75 	AMD_IP_BLOCK_TYPE_VCE,
76 	AMD_IP_BLOCK_TYPE_ACP,
77 };
78 
79 enum amd_clockgating_state {
80 	AMD_CG_STATE_GATE = 0,
81 	AMD_CG_STATE_UNGATE,
82 };
83 
84 enum amd_powergating_state {
85 	AMD_PG_STATE_GATE = 0,
86 	AMD_PG_STATE_UNGATE,
87 };
88 
89 enum amd_pm_state_type {
90 	/* not used for dpm */
91 	POWER_STATE_TYPE_DEFAULT,
92 	POWER_STATE_TYPE_POWERSAVE,
93 	/* user selectable states */
94 	POWER_STATE_TYPE_BATTERY,
95 	POWER_STATE_TYPE_BALANCED,
96 	POWER_STATE_TYPE_PERFORMANCE,
97 	/* internal states */
98 	POWER_STATE_TYPE_INTERNAL_UVD,
99 	POWER_STATE_TYPE_INTERNAL_UVD_SD,
100 	POWER_STATE_TYPE_INTERNAL_UVD_HD,
101 	POWER_STATE_TYPE_INTERNAL_UVD_HD2,
102 	POWER_STATE_TYPE_INTERNAL_UVD_MVC,
103 	POWER_STATE_TYPE_INTERNAL_BOOT,
104 	POWER_STATE_TYPE_INTERNAL_THERMAL,
105 	POWER_STATE_TYPE_INTERNAL_ACPI,
106 	POWER_STATE_TYPE_INTERNAL_ULV,
107 	POWER_STATE_TYPE_INTERNAL_3DPERF,
108 };
109 
110 struct amd_ip_funcs {
111 	/* sets up early driver state (pre sw_init), does not configure hw - Optional */
112 	int (*early_init)(void *handle);
113 	/* sets up late driver/hw state (post hw_init) - Optional */
114 	int (*late_init)(void *handle);
115 	/* sets up driver state, does not configure hw */
116 	int (*sw_init)(void *handle);
117 	/* tears down driver state, does not configure hw */
118 	int (*sw_fini)(void *handle);
119 	/* sets up the hw state */
120 	int (*hw_init)(void *handle);
121 	/* tears down the hw state */
122 	int (*hw_fini)(void *handle);
123 	/* handles IP specific hw/sw changes for suspend */
124 	int (*suspend)(void *handle);
125 	/* handles IP specific hw/sw changes for resume */
126 	int (*resume)(void *handle);
127 	/* returns current IP block idle status */
128 	bool (*is_idle)(void *handle);
129 	/* poll for idle */
130 	int (*wait_for_idle)(void *handle);
131 	/* soft reset the IP block */
132 	int (*soft_reset)(void *handle);
133 	/* dump the IP block status registers */
134 	void (*print_status)(void *handle);
135 	/* enable/disable cg for the IP block */
136 	int (*set_clockgating_state)(void *handle,
137 				     enum amd_clockgating_state state);
138 	/* enable/disable pg for the IP block */
139 	int (*set_powergating_state)(void *handle,
140 				     enum amd_powergating_state state);
141 };
142 
143 #endif /* __AMD_SHARED_H__ */
144