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| Rev | Author | Line No. | Line |
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| 186 | decky | 1 | /* |
| 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 | |||
| 29 | #ifndef __OFW_H__ |
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| 30 | #define __OFW_H__ |
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| 31 | |||
| 32 | #include <arch/types.h> |
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| 33 | |||
| 34 | #define MAX_OFW_ARGS 10 |
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| 35 | |||
| 36 | typedef __u32 ofw_arg_t; |
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| 37 | typedef __u32 ihandle; |
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| 191 | decky | 38 | typedef __u32 phandle; |
| 186 | decky | 39 | |
| 191 | decky | 40 | /** OpenFirmware command structure |
| 41 | * |
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| 42 | */ |
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| 43 | typedef struct { |
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| 44 | const char *service; /**< Command name */ |
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| 45 | __u32 nargs; /**< Number of in arguments */ |
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| 46 | __u32 nret; /**< Number of out arguments */ |
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| 47 | ofw_arg_t args[MAX_OFW_ARGS]; /**< List of arguments */ |
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| 48 | } ofw_args_t; |
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| 186 | decky | 49 | |
| 191 | decky | 50 | /** OpenFirmware device address range structure |
| 51 | * |
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| 52 | */ |
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| 53 | typedef struct { |
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| 54 | __u32 space; |
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| 55 | __u32 address; |
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| 56 | __u32 size; |
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| 57 | } address_range_t; |
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| 186 | decky | 58 | |
| 191 | decky | 59 | /** OpenFirmware device interrupt structure |
| 60 | * |
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| 61 | */ |
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| 62 | typedef struct { |
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| 63 | __u32 line; /**< Interrupt number */ |
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| 64 | __u32 flags; /**< Interrupt flags/logic */ |
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| 65 | } interrupt_info_t; |
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| 66 | |||
| 67 | /** OpenFirmware property structure |
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| 68 | * |
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| 69 | */ |
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| 70 | typedef struct property_t { |
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| 71 | char *name; /**< Property name */ |
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| 72 | __u32 length; /**< Value length */ |
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| 73 | char *value; /**< Property value */ |
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| 74 | struct property_t *next; /**< Next property in list */ |
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| 75 | } property_t; |
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| 76 | |||
| 77 | /** OpenFirmware device descritor |
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| 78 | * |
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| 79 | */ |
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| 80 | typedef struct device_node_t { |
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| 81 | char *name; /**< Device name */ |
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| 82 | char *type; /**< Device type */ |
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| 83 | phandle node; /**< Device handle */ |
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| 84 | |||
| 85 | __u32 n_addrs; /**< Number of address ranges */ |
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| 86 | address_range_t *addrs; /**< Address ranges list */ |
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| 87 | |||
| 88 | __u32 n_intrs; /**< Number of interrupts */ |
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| 89 | interrupt_info_t *intrs; /**< Interrupts list */ |
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| 90 | |||
| 91 | char *full_name; /**< Device full name */ |
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| 92 | |||
| 93 | property_t *properties; /**< Device properties */ |
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| 94 | |||
| 95 | struct device_node_t *parent; /**< Parent device */ |
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| 96 | struct device_node_t *child; /**< First child in tree */ |
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| 97 | struct device_node_t *sibling; /**< Next device on tree level */ |
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| 98 | struct device_node_t *next; /**< Next device of the same type */ |
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| 99 | struct device_node_t *next_all; /**< Next device in list of all nodes */ |
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| 100 | } device_node_t; |
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| 101 | |||
| 102 | typedef void (*ofw_entry)(ofw_args_t *); |
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| 103 | |||
| 186 | decky | 104 | extern ofw_entry ofw; |
| 105 | |||
| 106 | extern void ofw_init(void); |
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| 107 | extern void ofw_done(void); |
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| 108 | extern int ofw_call(const char *service, const int nargs, const int nret, ...); |
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| 109 | extern void ofw_putchar(const char ch); |
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| 191 | decky | 110 | extern phandle ofw_find_device(const char *name); |
| 111 | extern int ofw_get_property(const phandle device, const char *name, void *buf, const int buflen); |
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| 186 | decky | 112 | extern void putchar(const char ch); |
| 113 | |||
| 114 | #endif |