| Julius Werner | 898a8df | 2019-06-05 12:40:35 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2020, Google LLC. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #ifndef SPMI_ARB_H |
| 8 | #define SPMI_ARB_H |
| 9 | |
| 10 | #include <stdint.h> |
| 11 | |
| 12 | /******************************************************************************* |
| 13 | * WARNING: This driver does not arbitrate access with the kernel. These APIs |
| 14 | * must only be called when the kernel is known to be quiesced (such as before |
| 15 | * boot or while the system is shutting down). |
| 16 | ******************************************************************************/ |
| 17 | |
| 18 | /* 32-bit addresses combine (U)SID, PID and register address. */ |
| 19 | |
| 20 | int spmi_arb_read8(uint32_t addr); |
| 21 | int spmi_arb_write8(uint32_t addr, uint8_t data); |
| 22 | |
| 23 | #endif /* SPMI_ARB_H */ |