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