| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | * (c) Copyright 2006 Benjamin Herrenschmidt, IBM Corp. |
| 4 | * <benh@kernel.crashing.org> |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 5 | */ |
| 6 | |
| 7 | #ifndef _ASM_POWERPC_DCR_GENERIC_H |
| 8 | #define _ASM_POWERPC_DCR_GENERIC_H |
| 9 | #ifdef __KERNEL__ |
| 10 | #ifndef __ASSEMBLY__ |
| 11 | |
| 12 | enum host_type_t {DCR_HOST_MMIO, DCR_HOST_NATIVE, DCR_HOST_INVALID}; |
| 13 | |
| 14 | typedef struct { |
| 15 | enum host_type_t type; |
| 16 | union { |
| 17 | dcr_host_mmio_t mmio; |
| 18 | dcr_host_native_t native; |
| 19 | } host; |
| 20 | } dcr_host_t; |
| 21 | |
| 22 | extern bool dcr_map_ok_generic(dcr_host_t host); |
| 23 | |
| 24 | extern dcr_host_t dcr_map_generic(struct device_node *dev, unsigned int dcr_n, |
| 25 | unsigned int dcr_c); |
| 26 | extern void dcr_unmap_generic(dcr_host_t host, unsigned int dcr_c); |
| 27 | |
| 28 | extern u32 dcr_read_generic(dcr_host_t host, unsigned int dcr_n); |
| 29 | |
| 30 | extern void dcr_write_generic(dcr_host_t host, unsigned int dcr_n, u32 value); |
| 31 | |
| 32 | #endif /* __ASSEMBLY__ */ |
| 33 | #endif /* __KERNEL__ */ |
| 34 | #endif /* _ASM_POWERPC_DCR_GENERIC_H */ |
| 35 | |
| 36 | |