1 1.10 nonaka /* $NetBSD: pci_machdep.h,v 1.10 2016/10/19 00:08:42 nonaka Exp $ */ 2 1.1 briggs 3 1.1 briggs /* 4 1.1 briggs * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. 5 1.1 briggs * Copyright (c) 1994 Charles M. Hannum. All rights reserved. 6 1.1 briggs * 7 1.1 briggs * Redistribution and use in source and binary forms, with or without 8 1.1 briggs * modification, are permitted provided that the following conditions 9 1.1 briggs * are met: 10 1.1 briggs * 1. Redistributions of source code must retain the above copyright 11 1.1 briggs * notice, this list of conditions and the following disclaimer. 12 1.1 briggs * 2. Redistributions in binary form must reproduce the above copyright 13 1.1 briggs * notice, this list of conditions and the following disclaimer in the 14 1.1 briggs * documentation and/or other materials provided with the distribution. 15 1.1 briggs * 3. All advertising materials mentioning features or use of this software 16 1.1 briggs * must display the following acknowledgement: 17 1.1 briggs * This product includes software developed by Charles M. Hannum. 18 1.1 briggs * 4. The name of the author may not be used to endorse or promote products 19 1.1 briggs * derived from this software without specific prior written permission. 20 1.1 briggs * 21 1.1 briggs * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 1.1 briggs * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 1.1 briggs * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 1.1 briggs * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 1.1 briggs * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 1.1 briggs * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 1.1 briggs * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 1.1 briggs * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 1.1 briggs * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 1.1 briggs * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 1.1 briggs */ 32 1.1 briggs 33 1.1 briggs /* 34 1.1 briggs * Machine-specific definitions for PCI autoconfiguration. 35 1.1 briggs */ 36 1.1 briggs 37 1.6 garbled #define __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH 38 1.10 nonaka #define __HAVE_PCI_MSI_MSIX 39 1.6 garbled 40 1.1 briggs /* 41 1.1 briggs * be-specific PCI structure and type definitions. 42 1.1 briggs * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE. 43 1.1 briggs * 44 1.1 briggs * Configuration tag; created from a {bus,device,function} triplet by 45 1.1 briggs * pci_make_tag(), and passed to pci_conf_read() and pci_conf_write(). 46 1.1 briggs * We could instead always pass the {bus,device,function} triplet to 47 1.1 briggs * the read and write routines, but this would cause extra overhead. 48 1.1 briggs */ 49 1.1 briggs 50 1.1 briggs struct pci_attach_args; /* Forward declaration */ 51 1.1 briggs 52 1.1 briggs /* 53 1.1 briggs * Types provided to machine-independent PCI code 54 1.1 briggs */ 55 1.1 briggs typedef void *pci_chipset_tag_t; 56 1.1 briggs typedef int pcitag_t; 57 1.1 briggs typedef int pci_intr_handle_t; 58 1.2 briggs extern struct powerpc_bus_dma_tag pci_bus_dma_tag; 59 1.1 briggs 60 1.10 nonaka typedef enum { 61 1.10 nonaka PCI_INTR_TYPE_INTX = 0, 62 1.10 nonaka PCI_INTR_TYPE_MSI, 63 1.10 nonaka PCI_INTR_TYPE_MSIX, 64 1.10 nonaka PCI_INTR_TYPE_SIZE, 65 1.10 nonaka } pci_intr_type_t; 66 1.10 nonaka 67 1.1 briggs /* 68 1.1 briggs * Functions provided to machine-independent PCI code. 69 1.1 briggs */ 70 1.8 matt void pci_attach_hook(device_t, device_t, 71 1.1 briggs struct pcibus_attach_args *); 72 1.1 briggs int pci_bus_maxdevs(pci_chipset_tag_t, int); 73 1.1 briggs pcitag_t pci_make_tag(pci_chipset_tag_t, int, int, int); 74 1.1 briggs void pci_decompose_tag(pci_chipset_tag_t, pcitag_t, 75 1.1 briggs int *, int *, int *); 76 1.1 briggs pcireg_t pci_conf_read(pci_chipset_tag_t, pcitag_t, int); 77 1.1 briggs void pci_conf_write(pci_chipset_tag_t, pcitag_t, int, 78 1.1 briggs pcireg_t); 79 1.7 dyoung int pci_intr_map(const struct pci_attach_args *, 80 1.7 dyoung pci_intr_handle_t *); 81 1.9 christos const char *pci_intr_string(pci_chipset_tag_t, pci_intr_handle_t, 82 1.9 christos char *, size_t); 83 1.1 briggs const struct evcnt *pci_intr_evcnt(pci_chipset_tag_t, pci_intr_handle_t); 84 1.1 briggs void *pci_intr_establish(pci_chipset_tag_t, pci_intr_handle_t, 85 1.1 briggs int, int (*)(void *), void *); 86 1.10 nonaka void *pci_intr_establish_xname(pci_chipset_tag_t, pci_intr_handle_t, 87 1.10 nonaka int, int (*)(void *), void *, const char *); 88 1.1 briggs void pci_intr_disestablish(pci_chipset_tag_t, void *); 89 1.10 nonaka 90 1.10 nonaka pci_intr_type_t pci_intr_type(pci_chipset_tag_t, pci_intr_handle_t); 91 1.10 nonaka int pci_intr_alloc(const struct pci_attach_args *, 92 1.10 nonaka pci_intr_handle_t **, int *, pci_intr_type_t); 93 1.10 nonaka void pci_intr_release(pci_chipset_tag_t, pci_intr_handle_t *, int); 94 1.10 nonaka int pci_intx_alloc(const struct pci_attach_args *, 95 1.10 nonaka pci_intr_handle_t **); 96 1.10 nonaka 97 1.10 nonaka /* experimental MSI support */ 98 1.10 nonaka int pci_msi_alloc(const struct pci_attach_args *, 99 1.10 nonaka pci_intr_handle_t **, int *); 100 1.10 nonaka int pci_msi_alloc_exact(const struct pci_attach_args *, 101 1.10 nonaka pci_intr_handle_t **, int); 102 1.10 nonaka 103 1.10 nonaka /* experimental MSI-X support */ 104 1.10 nonaka int pci_msix_alloc(const struct pci_attach_args *, 105 1.10 nonaka pci_intr_handle_t **, int *); 106 1.10 nonaka int pci_msix_alloc_exact(const struct pci_attach_args *, 107 1.10 nonaka pci_intr_handle_t **, int); 108 1.10 nonaka int pci_msix_alloc_map(const struct pci_attach_args *, 109 1.10 nonaka pci_intr_handle_t **, u_int *, int); 110 1.10 nonaka 111 1.10 nonaka void pci_conf_interrupt(pci_chipset_tag_t, int, int, int, 112 1.10 nonaka int, int *); 113 1.10 nonaka int pci_conf_hook(pci_chipset_tag_t, int, int, int, pcireg_t); 114