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50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
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/*
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* (c) Copyright 2006 Benjamin Herrenschmidt, IBM Corp.
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* <benh@kernel.crashing.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _ASM_POWERPC_DCR_GENERIC_H
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#define _ASM_POWERPC_DCR_GENERIC_H
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#ifdef __KERNEL__
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#ifndef __ASSEMBLY__
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enum host_type_t {DCR_HOST_MMIO, DCR_HOST_NATIVE, DCR_HOST_INVALID};
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typedef struct {
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enum host_type_t type;
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union {
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dcr_host_mmio_t mmio;
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dcr_host_native_t native;
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} host;
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} dcr_host_t;
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extern bool dcr_map_ok_generic(dcr_host_t host);
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extern dcr_host_t dcr_map_generic(struct device_node *dev, unsigned int dcr_n,
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unsigned int dcr_c);
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extern void dcr_unmap_generic(dcr_host_t host, unsigned int dcr_c);
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extern u32 dcr_read_generic(dcr_host_t host, unsigned int dcr_n);
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extern void dcr_write_generic(dcr_host_t host, unsigned int dcr_n, u32 value);
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#endif /* __ASSEMBLY__ */
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#endif /* __KERNEL__ */
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#endif /* _ASM_POWERPC_DCR_GENERIC_H */
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