1 /* $NetBSD: openfirm.h,v 1.1 1998/05/15 10:16:00 tsubai Exp $ */ 2 3 /*- 4 * Copyright (C) 1995, 1996 Wolfgang Solfrank. 5 * Copyright (C) 1995, 1996 TooLs GmbH. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by TooLs GmbH. 19 * 4. The name of TooLs GmbH may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 /* 34 * Copyright (C) 2000 Benno Rice. 35 * All rights reserved. 36 * 37 * Redistribution and use in source and binary forms, with or without 38 * modification, are permitted provided that the following conditions 39 * are met: 40 * 1. Redistributions of source code must retain the above copyright 41 * notice, this list of conditions and the following disclaimer. 42 * 2. Redistributions in binary form must reproduce the above copyright 43 * notice, this list of conditions and the following disclaimer in the 44 * documentation and/or other materials provided with the distribution. 45 * 46 * THIS SOFTWARE IS PROVIDED BY Benno Rice ``AS IS'' AND ANY EXPRESS OR 47 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 48 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 49 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 50 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 51 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 52 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 53 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 54 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 55 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 56 * 57 * $FreeBSD$ 58 */ 59 60 #ifndef _DEV_OPENFIRM_H_ 61 #define _DEV_OPENFIRM_H_ 62 63 #include <sys/types.h> 64 65 /* 66 * Prototypes for Open Firmware Interface Routines 67 */ 68 69 typedef uint32_t ihandle_t; 70 typedef uint32_t phandle_t; 71 typedef uint32_t pcell_t; 72 73 #ifdef _KERNEL 74 #include <sys/malloc.h> 75 76 #include <machine/ofw_machdep.h> 77 78 MALLOC_DECLARE(M_OFWPROP); 79 80 /* 81 * Open Firmware interface initialization. OF_install installs the named 82 * interface as the Open Firmware access mechanism, OF_init initializes it. 83 */ 84 85 boolean_t OF_install(char *name, int prio); 86 int OF_init(void *cookie); 87 88 /* 89 * Known Open Firmware interface names 90 */ 91 92 #define OFW_STD_DIRECT "ofw_std" /* Standard OF interface */ 93 #define OFW_STD_REAL "ofw_real" /* Real-mode OF interface */ 94 #define OFW_STD_32BIT "ofw_32bit" /* 32-bit OF interface */ 95 #define OFW_FDT "ofw_fdt" /* Flattened Device Tree */ 96 97 /* Generic functions */ 98 int OF_test(const char *name); 99 void OF_printf(const char *fmt, ...); 100 101 /* Device tree functions */ 102 phandle_t OF_peer(phandle_t node); 103 phandle_t OF_child(phandle_t node); 104 phandle_t OF_parent(phandle_t node); 105 ssize_t OF_getproplen(phandle_t node, const char *propname); 106 ssize_t OF_getprop(phandle_t node, const char *propname, void *buf, 107 size_t len); 108 int OF_hasprop(phandle_t node, const char *propname); 109 ssize_t OF_searchprop(phandle_t node, const char *propname, void *buf, 110 size_t len); 111 ssize_t OF_getprop_alloc(phandle_t node, const char *propname, 112 int elsz, void **buf); 113 int OF_nextprop(phandle_t node, const char *propname, char *buf, 114 size_t len); 115 int OF_setprop(phandle_t node, const char *name, const void *buf, 116 size_t len); 117 ssize_t OF_canon(const char *path, char *buf, size_t len); 118 phandle_t OF_finddevice(const char *path); 119 ssize_t OF_package_to_path(phandle_t node, char *buf, size_t len); 120 121 /* Device I/O functions */ 122 ihandle_t OF_open(const char *path); 123 void OF_close(ihandle_t instance); 124 ssize_t OF_read(ihandle_t instance, void *buf, size_t len); 125 ssize_t OF_write(ihandle_t instance, const void *buf, size_t len); 126 int OF_seek(ihandle_t instance, uint64_t where); 127 128 phandle_t OF_instance_to_package(ihandle_t instance); 129 ssize_t OF_instance_to_path(ihandle_t instance, char *buf, size_t len); 130 int OF_call_method(const char *method, ihandle_t instance, 131 int nargs, int nreturns, ...); 132 133 /* Memory functions */ 134 void *OF_claim(void *virtrequest, size_t size, u_int align); 135 void OF_release(void *virt, size_t size); 136 137 /* Control transfer functions */ 138 void OF_enter(void); 139 void OF_exit(void) __attribute__((noreturn)); 140 141 /* User interface functions */ 142 int OF_interpret(const char *cmd, int nreturns, ...); 143 144 #endif /* _KERNEL */ 145 #endif /* _DEV_OPENFIRM_H_ */ 146