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1 | /* |
1 | /* |
2 | * Copyright (C) 2005 Martin Decky |
2 | * Copyright (C) 2005 Martin Decky |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | #ifndef __ppc32_OFW_H__ |
29 | #ifndef __ppc32_OFW_H__ |
30 | #define __ppc32_OFW_H__ |
30 | #define __ppc32_OFW_H__ |
31 | 31 | ||
32 | #include <arch/types.h> |
32 | #include <arch/types.h> |
33 | 33 | ||
34 | #define MAX_OFW_ARGS 10 |
34 | #define MAX_OFW_ARGS 10 |
35 | 35 | ||
36 | typedef __u32 ofw_arg_t; |
36 | typedef __u32 ofw_arg_t; |
37 | typedef __u32 ihandle; |
37 | typedef __u32 ihandle; |
38 | typedef __u32 phandle; |
38 | typedef __u32 phandle; |
39 | 39 | ||
40 | /** OpenFirmware command structure |
40 | /** OpenFirmware command structure |
41 | * |
41 | * |
42 | */ |
42 | */ |
43 | typedef struct { |
43 | typedef struct { |
44 | const char *service; /**< Command name */ |
44 | const char *service; /**< Command name */ |
45 | __u32 nargs; /**< Number of in arguments */ |
45 | __u32 nargs; /**< Number of in arguments */ |
46 | __u32 nret; /**< Number of out arguments */ |
46 | __u32 nret; /**< Number of out arguments */ |
47 | ofw_arg_t args[MAX_OFW_ARGS]; /**< List of arguments */ |
47 | ofw_arg_t args[MAX_OFW_ARGS]; /**< List of arguments */ |
48 | } ofw_args_t; |
48 | } ofw_args_t; |
49 | 49 | ||
50 | typedef void (*ofw_entry)(ofw_args_t *); |
50 | typedef void (*ofw_entry)(ofw_args_t *); |
51 | 51 | ||
52 | extern ofw_entry ofw; |
52 | extern ofw_entry ofw; |
53 | 53 | ||
54 | extern void ofw_init(void); |
54 | extern void ofw_init(void); |
55 | extern void ofw_done(void); |
55 | extern void ofw_done(void); |
56 | extern int ofw_call(const char *service, const int nargs, const int nret, ...); |
56 | extern __address ofw_call(const char *service, const int nargs, const int nret, ...); |
57 | extern void ofw_putchar(const char ch); |
57 | extern void ofw_putchar(const char ch); |
58 | extern phandle ofw_find_device(const char *name); |
58 | extern phandle ofw_find_device(const char *name); |
59 | extern int ofw_get_property(const phandle device, const char *name, void *buf, const int buflen); |
59 | extern int ofw_get_property(const phandle device, const char *name, void *buf, const int buflen); |
60 | extern void *ofw_claim(const void *addr, const int size, const int align); |
60 | extern void *ofw_claim(const void *addr, const int size, const int align); |
61 | extern void putchar(const char ch); |
61 | extern void putchar(const char ch); |
62 | 62 | ||
63 | #endif |
63 | #endif |
64 | 64 |