2 * Copyright (c) 2005 Marius Strobl <marius@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions, and the following disclaimer,
10 * without modification, immediately at the beginning of the file.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #ifndef _DEV_OFW_OFW_BUS_SUBR_H_
32 #define _DEV_OFW_OFW_BUS_SUBR_H_
36 #include <dev/ofw/openfirm.h>
38 #include "ofw_bus_if.h"
41 #define ORIR_NOTFOUND 0xffffffff
43 struct ofw_bus_iinfo {
50 struct ofw_compat_data {
55 #define SIMPLEBUS_PNP_DESCR "Z:compat;P:private;"
56 #define SIMPLEBUS_PNP_INFO(t) \
57 MODULE_PNP_INFO(SIMPLEBUS_PNP_DESCR, simplebus, t, t, sizeof(t[0]), sizeof(t) / sizeof(t[0]));
59 /* Generic implementation of ofw_bus_if.m methods and helper routines */
60 int ofw_bus_gen_setup_devinfo(struct ofw_bus_devinfo *, phandle_t);
61 void ofw_bus_gen_destroy_devinfo(struct ofw_bus_devinfo *);
63 ofw_bus_get_compat_t ofw_bus_gen_get_compat;
64 ofw_bus_get_model_t ofw_bus_gen_get_model;
65 ofw_bus_get_name_t ofw_bus_gen_get_name;
66 ofw_bus_get_node_t ofw_bus_gen_get_node;
67 ofw_bus_get_type_t ofw_bus_gen_get_type;
69 /* Helper method to report interesting OF properties in pnpinfo */
70 bus_child_pnpinfo_str_t ofw_bus_gen_child_pnpinfo_str;
72 /* Routines for processing firmware interrupt maps */
73 void ofw_bus_setup_iinfo(phandle_t, struct ofw_bus_iinfo *, int);
74 int ofw_bus_lookup_imap(phandle_t, struct ofw_bus_iinfo *, void *, int,
75 void *, int, void *, int, phandle_t *);
76 int ofw_bus_search_intrmap(void *, int, void *, int, void *, int, void *,
77 void *, void *, int, phandle_t *);
79 /* Routines for parsing device-tree data into resource lists. */
80 int ofw_bus_reg_to_rl(device_t, phandle_t, pcell_t, pcell_t,
81 struct resource_list *);
82 int ofw_bus_intr_to_rl(device_t, phandle_t, struct resource_list *, int *);
84 /* Helper to get device status property */
85 const char *ofw_bus_get_status(device_t dev);
86 int ofw_bus_status_okay(device_t dev);
88 /* Helper to get node's interrupt parent */
89 phandle_t ofw_bus_find_iparent(phandle_t);
91 /* Helper routine for checking compat prop */
92 int ofw_bus_is_compatible(device_t, const char *);
93 int ofw_bus_is_compatible_strict(device_t, const char *);
96 * Helper routine to search a list of compat properties. The table is
97 * terminated by an entry with a NULL compat-string pointer; a pointer to that
98 * table entry is returned if none of the compat strings match for the device,
99 * giving you control over the not-found value. Will not return NULL unless the
100 * provided table pointer is NULL.
102 const struct ofw_compat_data *
103 ofw_bus_search_compatible(device_t, const struct ofw_compat_data *);
105 /* Helper routine for checking existence of a prop */
106 int ofw_bus_has_prop(device_t, const char *);
108 /* Helper to search for a child with a given compat prop */
109 phandle_t ofw_bus_find_compatible(phandle_t, const char *);
111 /* Helper to search for a child with a given name */
112 phandle_t ofw_bus_find_child(phandle_t, const char *);
114 /* Helper routine to find a device_t child matchig a given phandle_t */
115 device_t ofw_bus_find_child_device_by_phandle(device_t bus, phandle_t node);
117 /* Helper routines for parsing lists */
118 int ofw_bus_parse_xref_list_alloc(phandle_t node, const char *list_name,
119 const char *cells_name, int idx, phandle_t *producer, int *ncells,
121 int ofw_bus_find_string_index(phandle_t node, const char *list_name,
122 const char *name, int *idx);
123 int ofw_bus_string_list_to_array(phandle_t node, const char *list_name,
124 const char ***array);
126 #endif /* !_DEV_OFW_OFW_BUS_SUBR_H_ */