Viewing file:  dcr-generic.h (930 B) -rw-r--r--
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/* 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 */
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