37 lines
930 B
C
37 lines
930 B
C
/* 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 */
|
|
|
|
|