1 /* $NetBSD: pci_machdep.h,v 1.7 2011/06/22 18:06:34 matt Exp $ */ 2 3 /* 4 * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. 5 * Copyright (c) 1994 Charles M. Hannum. 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 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Charles M. Hannum. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * Machine-specific definitions for PCI autoconfiguration. 35 */ 36 37 #define __HAVE_PCI_CONF_HOOK 38 39 #include <dev/pci/pcivar.h> 40 #include <powerpc/pci_machdep.h> 41 42 /* 43 * Forward declarations. 44 */ 45 struct pci_attach_args; 46 47 /* 48 * ibm4xx-specific PCI structure and type definitions. 49 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 50 * 51 * Configuration tag; created from a {bus,device,function} triplet by 52 * pci_make_tag(), and passed to pci_conf_read() and pci_conf_write(). 53 * We could instead always pass the {bus,device,function} triplet to 54 * the read and write routines, but this would cause extra overhead. 55 */ 56 57 /* 58 * Functions provided to machine-independent PCI code. 59 */ 60 void ibm4xx_pci_attach_hook(device_t, device_t, 61 struct pcibus_attach_args *); 62 int ibm4xx_pci_bus_maxdevs(void *, int); 63 pcitag_t ibm4xx_pci_make_tag(void *, int, int, int); 64 void ibm4xx_pci_decompose_tag(void *, pcitag_t, int *, int *, int *); 65 pcireg_t ibm4xx_pci_conf_read(void *, pcitag_t, int); 66 void ibm4xx_pci_conf_write(void *, pcitag_t, int, pcireg_t); 67 68 int ibm4xx_pci_intr_map(const struct pci_attach_args *, 69 pci_intr_handle_t *); 70 int ibm4xx_pci_intr_setattr(void *, pci_intr_handle_t *, 71 int, uint64_t); 72 73 void ibm4xx_pci_conf_interrupt(void *, int, int, int, int, int *); 74 int ibm4xx_pci_conf_hook(void *, int, int, int, pcireg_t); 75 76 void ibm4xx_pci_machdep_init(void); 77 pci_chipset_tag_t 78 ibm4xx_get_pci_chipset_tag(void); 79 80 81 /* 82 * Internal functions. 83 */ 84 void ibm4xx_pci_init(int); 85