1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2000,2001 Jonathan Chen. All rights reserved. 5 * Copyright (c) 2008 M. Warner Losh <imp@FreeBSD.org> 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 * Structure definitions for the Cardbus Bus driver 31 */ 32 33 /* 34 * Static copy of the CIS buffer. Technically, you aren't supposed 35 * to do this. In practice, however, it works well. 36 */ 37 struct cis_buffer 38 { 39 size_t len; /* Actual length of the CIS */ 40 uint8_t buffer[2040]; /* small enough to be 2k */ 41 }; 42 43 /* 44 * Per child information for the PCI device. Cardbus layers on some 45 * additional data. 46 */ 47 struct cardbus_devinfo 48 { 49 struct pci_devinfo pci; 50 uint8_t mprefetchable; /* bit mask of prefetchable BARs */ 51 uint8_t mbelow1mb; /* bit mask of BARs which require below 1Mb */ 52 uint16_t mfrid; /* manufacturer id */ 53 uint16_t prodid; /* product id */ 54 u_int funcid; /* function id */ 55 union { 56 struct { 57 uint8_t nid[6]; /* MAC address */ 58 } lan; 59 } funce; 60 uint32_t fepresent; /* bit mask of funce values present */ 61 struct cdev *sc_cisdev; 62 struct cis_buffer sc_cis; 63 }; 64 65 /* 66 * Per cardbus soft info. Not sure why we even keep this around... 67 */ 68 struct cardbus_softc 69 { 70 device_t sc_dev; 71 #ifdef PCI_RES_BUS 72 struct resource *sc_bus; 73 #endif 74 }; 75 76 /* 77 * Per node callback structures. 78 */ 79 struct tuple_callbacks; 80 typedef int (tuple_cb) (device_t cbdev, device_t child, int id, int len, 81 uint8_t *tupledata, uint32_t start, uint32_t *off, 82 struct tuple_callbacks *info, void *); 83 struct tuple_callbacks { 84 int id; 85 char *name; 86 tuple_cb *func; 87 }; 88 89 int cardbus_device_create(struct cardbus_softc *sc, 90 struct cardbus_devinfo *devi, device_t parent, device_t child); 91 int cardbus_device_destroy(struct cardbus_devinfo *devi); 92 int cardbus_parse_cis(device_t cbdev, device_t child, 93 struct tuple_callbacks *callbacks, void *); 94