/*
* (c) Copyright 2006 Benjamin Herrenschmidt, IBM Corp.
* <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

#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 */