| yanyang1 | 5fc3aee | 2015-05-22 14:39:35 -0400 | [diff] [blame] | 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 | enum amd_ip_block_type { |
| 27 | AMD_IP_BLOCK_TYPE_COMMON, |
| 28 | AMD_IP_BLOCK_TYPE_GMC, |
| 29 | AMD_IP_BLOCK_TYPE_IH, |
| 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, |
| 36 | }; |
| 37 | |
| 38 | enum amd_clockgating_state { |
| 39 | AMD_CG_STATE_GATE = 0, |
| 40 | AMD_CG_STATE_UNGATE, |
| 41 | }; |
| 42 | |
| 43 | enum amd_powergating_state { |
| 44 | AMD_PG_STATE_GATE = 0, |
| 45 | AMD_PG_STATE_UNGATE, |
| 46 | }; |
| 47 | |
| 48 | struct amd_ip_funcs { |
| 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); |
| 67 | /* poll for idle */ |
| 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); |
| 79 | }; |
| 80 | |
| 81 | #endif /* __AMD_SHARED_H__ */ |