| 1 | /*
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| 2 | * Copyright (C) 2005 Martin Decky
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup genarch
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | */
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| 34 |
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| 35 | #ifndef KERN_OFW_H_
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| 36 | #define KERN_OFW_H_
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| 37 |
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| 38 | #include <arch/types.h>
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| 39 |
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| 40 | #define MAX_OFW_ARGS 12
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| 41 |
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| 42 | typedef unative_t ofw_arg_t;
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| 43 | typedef unsigned int ihandle;
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| 44 | typedef unsigned int phandle;
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| 45 |
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| 46 | /** OpenFirmware command structure
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| 47 | *
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| 48 | */
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| 49 | typedef struct {
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| 50 | const char *service; /**< Command name */
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| 51 | unative_t nargs; /**< Number of in arguments */
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| 52 | unative_t nret; /**< Number of out arguments */
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| 53 | ofw_arg_t args[MAX_OFW_ARGS]; /**< Buffer for in and out arguments */
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| 54 | } ofw_args_t;
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| 55 |
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| 56 | extern int ofw(ofw_args_t *); /**< OpenFirmware Client Interface entry point. */
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| 57 |
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| 58 | extern void ofw_init(void);
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| 59 | extern void ofw_done(void);
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| 60 | extern ofw_arg_t ofw_call(const char *service, const int nargs, const int nret, ofw_arg_t *rets, ...);
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| 61 | extern void ofw_putchar(const char ch);
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| 62 | extern phandle ofw_find_device(const char *name);
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| 63 | extern int ofw_get_property(const phandle device, const char *name, const void *buf, const int buflen);
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| 64 | extern void *ofw_translate(const void *addr);
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| 65 | extern void *ofw_claim(const void *addr, const int size, const int align);
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| 66 |
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| 67 | #endif
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| 68 |
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| 69 | /** @}
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| 70 | */
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