2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2005 Marius Strobl <marius@FreeBSD.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions, and the following disclaimer,
12 * without modification, immediately at the beginning of the file.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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33 #ifndef _DEV_OFW_OFW_BUS_SUBR_H_
34 #define _DEV_OFW_OFW_BUS_SUBR_H_
40 #include <dev/ofw/openfirm.h>
42 #include "ofw_bus_if.h"
45 #define ORIR_NOTFOUND 0xffffffff
47 struct ofw_bus_iinfo {
54 struct ofw_compat_data {
60 struct intr_map_data_fdt {
61 struct intr_map_data hdr;
68 #define FDTCOMPAT_PNP_DESCR "Z:compat;P:#;"
69 #define FDTCOMPAT_PNP_INFO(t, busname) \
70 MODULE_PNP_INFO(FDTCOMPAT_PNP_DESCR, busname, t, t, sizeof(t) / sizeof(t[0]));
72 #define OFWBUS_PNP_INFO(t) FDTCOMPAT_PNP_INFO(t, ofwbus)
73 #define SIMPLEBUS_PNP_INFO(t) FDTCOMPAT_PNP_INFO(t, simplebus)
75 /* Generic implementation of ofw_bus_if.m methods and helper routines */
76 int ofw_bus_gen_setup_devinfo(struct ofw_bus_devinfo *, phandle_t);
77 void ofw_bus_gen_destroy_devinfo(struct ofw_bus_devinfo *);
79 ofw_bus_get_compat_t ofw_bus_gen_get_compat;
80 ofw_bus_get_model_t ofw_bus_gen_get_model;
81 ofw_bus_get_name_t ofw_bus_gen_get_name;
82 ofw_bus_get_node_t ofw_bus_gen_get_node;
83 ofw_bus_get_type_t ofw_bus_gen_get_type;
85 /* Helper method to report interesting OF properties in pnpinfo */
86 bus_child_pnpinfo_str_t ofw_bus_gen_child_pnpinfo_str;
88 /* Routines for processing firmware interrupt maps */
89 void ofw_bus_setup_iinfo(phandle_t, struct ofw_bus_iinfo *, int);
90 int ofw_bus_lookup_imap(phandle_t, struct ofw_bus_iinfo *, void *, int,
91 void *, int, void *, int, phandle_t *);
92 int ofw_bus_search_intrmap(void *, int, void *, int, void *, int, void *,
93 void *, void *, int, phandle_t *);
95 /* Routines for processing msi maps */
96 int ofw_bus_msimap(phandle_t, uint16_t, phandle_t *, uint32_t *);
98 /* Routines for parsing device-tree data into resource lists. */
99 int ofw_bus_reg_to_rl(device_t, phandle_t, pcell_t, pcell_t,
100 struct resource_list *);
101 int ofw_bus_assigned_addresses_to_rl(device_t, phandle_t, pcell_t, pcell_t,
102 struct resource_list *);
103 int ofw_bus_intr_to_rl(device_t, phandle_t, struct resource_list *, int *);
104 int ofw_bus_intr_by_rid(device_t, phandle_t, int, phandle_t *, int *,
107 /* Helper to get device status property */
108 const char *ofw_bus_get_status(device_t dev);
109 int ofw_bus_status_okay(device_t dev);
110 int ofw_bus_node_status_okay(phandle_t node);
112 /* Helper to get node's interrupt parent */
113 phandle_t ofw_bus_find_iparent(phandle_t);
115 /* Helper routine for checking compat prop */
116 int ofw_bus_is_compatible(device_t, const char *);
117 int ofw_bus_is_compatible_strict(device_t, const char *);
118 int ofw_bus_node_is_compatible(phandle_t, const char *);
121 * Helper routine to search a list of compat properties. The table is
122 * terminated by an entry with a NULL compat-string pointer; a pointer to that
123 * table entry is returned if none of the compat strings match for the device,
124 * giving you control over the not-found value. Will not return NULL unless the
125 * provided table pointer is NULL.
127 const struct ofw_compat_data *
128 ofw_bus_search_compatible(device_t, const struct ofw_compat_data *);
130 /* Helper routine for checking existence of a prop */
131 int ofw_bus_has_prop(device_t, const char *);
133 /* Helper to search for a child with a given compat prop */
134 phandle_t ofw_bus_find_compatible(phandle_t, const char *);
136 /* Helper to search for a child with a given name */
137 phandle_t ofw_bus_find_child(phandle_t, const char *);
139 /* Helper routine to find a device_t child matching a given phandle_t */
140 device_t ofw_bus_find_child_device_by_phandle(device_t bus, phandle_t node);
142 /* Helper routines for parsing lists */
143 int ofw_bus_parse_xref_list_alloc(phandle_t node, const char *list_name,
144 const char *cells_name, int idx, phandle_t *producer, int *ncells,
146 int ofw_bus_parse_xref_list_get_length(phandle_t node, const char *list_name,
147 const char *cells_name, int *count);
148 int ofw_bus_find_string_index(phandle_t node, const char *list_name,
149 const char *name, int *idx);
150 int ofw_bus_string_list_to_array(phandle_t node, const char *list_name,
151 const char ***array);
153 #endif /* !_DEV_OFW_OFW_BUS_SUBR_H_ */