1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 1999 Doug Rabson 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 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 20 * FOR 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 26 * SUCH DAMAGE. 27 */ 28 29 /* 30 * Parts of the ISA bus implementation common to all architectures. 31 * 32 * Drivers must not depend on information in this file as it can change 33 * without notice. 34 */ 35 36 /* 37 * PNP configurations are kept in a tailq. 38 */ 39 TAILQ_HEAD(isa_config_list, isa_config_entry); 40 struct isa_config_entry { 41 TAILQ_ENTRY(isa_config_entry) ice_link; 42 int ice_priority; 43 struct isa_config ice_config; 44 }; 45 46 /* 47 * The structure used to attach devices to the isa bus. 48 */ 49 struct isa_device { 50 struct resource_list id_resources; 51 uint32_t id_vendorid; /* pnp vendor id */ 52 uint32_t id_serial; /* pnp serial */ 53 uint32_t id_logicalid; /* pnp logical device id */ 54 uint32_t id_compatid; /* pnp compat device id */ 55 struct isa_config_list id_configs; /* pnp config alternatives */ 56 isa_config_cb *id_config_cb; /* callback function */ 57 void *id_config_arg; /* callback argument */ 58 int id_config_attr; /* pnp config attributes */ 59 int id_pnpbios_handle; /* pnp handle, if any */ 60 int id_pnp_csn; /* pnp Card Number */ 61 int id_pnp_ldn; /* pnp Logical device on card */ 62 int id_order; 63 }; 64 65 #define DEVTOISA(dev) ((struct isa_device *) device_get_ivars(dev)) 66 67 /* 68 * These functions are architecture dependent. 69 */ 70 extern void isa_init(device_t dev); 71 extern struct resource *isa_alloc_resource(device_t bus, device_t child, 72 int type, int *rid, rman_res_t start, rman_res_t end, rman_res_t count, 73 u_int flags); 74 extern int isa_release_resource(device_t bus, device_t child, 75 int type, int rid, struct resource *r); 76 77 extern driver_t isa_driver; 78