| XiaoDong Huang | dcf89f3 | 2023-06-26 16:43:30 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2024, Rockchip, Inc. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #ifndef PLAT_PM_HELPERS_H |
| 8 | #define PLAT_PM_HELPERS_H |
| 9 | |
| 10 | #include <stdint.h> |
| 11 | |
| 12 | /** |
| 13 | * Use this macro to define a register region. |
| 14 | * start: start offset from the base address. |
| 15 | * end: end offset from the base address. |
| 16 | * stride: stride of registers in region. |
| 17 | * base: base address of registers in region. |
| 18 | * wmsk: write mask of registers in region. |
| 19 | */ |
| 20 | #define REG_REGION(_start, _end, _stride, _base, _wmsk) \ |
| 21 | { \ |
| 22 | .start = (_base) + (_start), \ |
| 23 | .end = (_base) + (_end), \ |
| 24 | .stride = _stride, \ |
| 25 | .wmsk = _wmsk \ |
| 26 | } |
| 27 | |
| 28 | struct reg_region { |
| 29 | /* Start address of region */ |
| 30 | uint32_t start; |
| 31 | /* End address of region */ |
| 32 | uint32_t end; |
| 33 | /* Stride of registers in region */ |
| 34 | uint32_t stride; |
| 35 | /* Write mask of registers in region */ |
| 36 | uint32_t wmsk; |
| 37 | /* Buffer to save/restore registers in region */ |
| 38 | uint32_t *buf; |
| 39 | }; |
| 40 | |
| 41 | void rockchip_alloc_region_mem(struct reg_region *rgns, uint32_t rgn_num); |
| 42 | void rockchip_reg_rgn_save(struct reg_region *rgns, uint32_t rgn_num); |
| 43 | void rockchip_reg_rgn_restore(struct reg_region *rgns, uint32_t rgn_num); |
| 44 | void rockchip_reg_rgn_restore_reverse(struct reg_region *rgns, uint32_t rgn_num); |
| 45 | void rockchip_regs_dump(uint32_t base, |
| 46 | uint32_t start_offset, |
| 47 | uint32_t end_offset, |
| 48 | uint32_t stride); |
| 49 | void rockchip_dump_reg_rgns(struct reg_region *rgns, uint32_t rgn_num); |
| 50 | |
| 51 | #endif /* PLAT_PM_HELPERS_H */ |