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885 | 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 | |||
1789 | jermar | 29 | #ifndef BOOT_OFW_H_ |
30 | #define BOOT_OFW_H_ |
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885 | decky | 31 | |
1771 | jermar | 32 | #include <types.h> |
33 | #include <stdarg.h> |
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885 | decky | 34 | |
1771 | jermar | 35 | #define BUF_SIZE 1024 |
885 | decky | 36 | |
1771 | jermar | 37 | #define MEMMAP_MAX_RECORDS 32 |
885 | decky | 38 | |
1783 | jermar | 39 | #define MAX_OFW_ARGS 12 |
40 | |||
1789 | jermar | 41 | typedef unative_t ofw_arg_t; |
1783 | jermar | 42 | typedef unsigned int ihandle; |
43 | typedef unsigned int phandle; |
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44 | |||
45 | /** OpenFirmware command structure |
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46 | * |
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47 | */ |
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964 | decky | 48 | typedef struct { |
1790 | jermar | 49 | ofw_arg_t service; /**< Command name. */ |
50 | ofw_arg_t nargs; /**< Number of in arguments. */ |
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51 | ofw_arg_t nret; /**< Number of out arguments. */ |
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52 | ofw_arg_t args[MAX_OFW_ARGS]; /**< List of arguments. */ |
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1783 | jermar | 53 | } ofw_args_t; |
54 | |||
55 | typedef struct { |
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964 | decky | 56 | void *start; |
1790 | jermar | 57 | uint32_t size; |
964 | decky | 58 | } memzone_t; |
885 | decky | 59 | |
60 | typedef struct { |
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1790 | jermar | 61 | uint32_t total; |
62 | uint32_t count; |
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964 | decky | 63 | memzone_t zones[MEMMAP_MAX_RECORDS]; |
64 | } memmap_t; |
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885 | decky | 65 | |
1130 | decky | 66 | typedef struct { |
1789 | jermar | 67 | void *addr; |
1790 | jermar | 68 | uint32_t width; |
69 | uint32_t height; |
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70 | uint32_t bpp; |
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71 | uint32_t scanline; |
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1130 | decky | 72 | } screen_t; |
885 | decky | 73 | |
1620 | decky | 74 | typedef struct { |
1789 | jermar | 75 | void *addr; |
1790 | jermar | 76 | uint32_t size; |
1620 | decky | 77 | } keyboard_t; |
1130 | decky | 78 | |
1771 | jermar | 79 | typedef struct { |
1790 | jermar | 80 | uint32_t info; |
81 | uint32_t addr_hi; |
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82 | uint32_t addr_lo; |
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1771 | jermar | 83 | } pci_addr_t; |
1620 | decky | 84 | |
1771 | jermar | 85 | typedef struct { |
86 | pci_addr_t addr; |
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1790 | jermar | 87 | uint32_t size_hi; |
88 | uint32_t size_lo; |
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1771 | jermar | 89 | } pci_reg_t; |
90 | |||
1783 | jermar | 91 | extern uintptr_t ofw_cif; |
1771 | jermar | 92 | |
1881 | jermar | 93 | extern phandle ofw_chosen; |
94 | extern ihandle ofw_stdout; |
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95 | extern phandle ofw_root; |
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96 | extern ihandle ofw_mmu; |
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97 | extern phandle ofw_memory; |
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1771 | jermar | 98 | extern phandle ofw_aliases; |
99 | |||
1789 | jermar | 100 | extern void ofw_init(void); |
1881 | jermar | 101 | |
885 | decky | 102 | extern void ofw_write(const char *str, const int len); |
953 | decky | 103 | |
1895 | jermar | 104 | extern int ofw_get_property(const phandle device, const char *name, void *buf, const int buflen); |
1893 | jermar | 105 | extern int ofw_get_proplen(const phandle device, const char *name); |
106 | extern int ofw_next_property(const phandle device, char *previous, char *buf); |
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1881 | jermar | 107 | |
108 | extern phandle ofw_get_child_node(const phandle node); |
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109 | extern phandle ofw_get_peer_node(const phandle node); |
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1771 | jermar | 110 | extern phandle ofw_find_device(const char *name); |
111 | |||
1895 | jermar | 112 | extern int ofw_package_to_path(const phandle device, char *buf, const int buflen); |
113 | |||
1783 | jermar | 114 | extern int ofw(ofw_args_t *arg); |
1899 | jermar | 115 | extern unsigned long ofw_call(const char *service, const int nargs, const int nret, ofw_arg_t *rets, ...); |
1789 | jermar | 116 | extern unsigned int ofw_get_address_cells(const phandle device); |
117 | extern unsigned int ofw_get_size_cells(const phandle device); |
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953 | decky | 118 | extern void *ofw_translate(const void *virt); |
1783 | jermar | 119 | extern int ofw_translate_failed(ofw_arg_t flag); |
120 | extern void *ofw_claim(const void *virt, const int len); |
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1075 | decky | 121 | extern int ofw_map(const void *phys, const void *virt, const int size, const int mode); |
964 | decky | 122 | extern int ofw_memmap(memmap_t *map); |
1130 | decky | 123 | extern int ofw_screen(screen_t *screen); |
1620 | decky | 124 | extern int ofw_keyboard(keyboard_t *keyboard); |
885 | decky | 125 | |
126 | #endif |