pci.h revision 1.1.2.4
1 1.1.2.1 riastrad /* $NetBSD: pci.h,v 1.1.2.4 2013/07/24 03:01:09 riastradh Exp $ */ 2 1.1.2.1 riastrad 3 1.1.2.1 riastrad /*- 4 1.1.2.1 riastrad * Copyright (c) 2013 The NetBSD Foundation, Inc. 5 1.1.2.1 riastrad * All rights reserved. 6 1.1.2.1 riastrad * 7 1.1.2.1 riastrad * This code is derived from software contributed to The NetBSD Foundation 8 1.1.2.1 riastrad * by Taylor R. Campbell. 9 1.1.2.1 riastrad * 10 1.1.2.1 riastrad * Redistribution and use in source and binary forms, with or without 11 1.1.2.1 riastrad * modification, are permitted provided that the following conditions 12 1.1.2.1 riastrad * are met: 13 1.1.2.1 riastrad * 1. Redistributions of source code must retain the above copyright 14 1.1.2.1 riastrad * notice, this list of conditions and the following disclaimer. 15 1.1.2.1 riastrad * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.2.1 riastrad * notice, this list of conditions and the following disclaimer in the 17 1.1.2.1 riastrad * documentation and/or other materials provided with the distribution. 18 1.1.2.1 riastrad * 19 1.1.2.1 riastrad * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1.2.1 riastrad * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1.2.1 riastrad * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1.2.1 riastrad * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1.2.1 riastrad * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1.2.1 riastrad * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1.2.1 riastrad * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1.2.1 riastrad * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1.2.1 riastrad * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1.2.1 riastrad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1.2.1 riastrad * POSSIBILITY OF SUCH DAMAGE. 30 1.1.2.1 riastrad */ 31 1.1.2.1 riastrad 32 1.1.2.1 riastrad #ifndef _LINUX_PCI_H_ 33 1.1.2.1 riastrad #define _LINUX_PCI_H_ 34 1.1.2.1 riastrad 35 1.1.2.4 riastrad #include <sys/types.h> 36 1.1.2.4 riastrad #include <sys/bus.h> 37 1.1.2.4 riastrad #include <sys/systm.h> 38 1.1.2.4 riastrad 39 1.1.2.2 riastrad #include <dev/pci/pcivar.h> 40 1.1.2.2 riastrad 41 1.1.2.4 riastrad #include <linux/ioport.h> 42 1.1.2.4 riastrad 43 1.1.2.4 riastrad struct pci_bus; 44 1.1.2.2 riastrad struct pci_device_id; 45 1.1.2.2 riastrad 46 1.1.2.2 riastrad struct pci_dev { 47 1.1.2.4 riastrad struct pci_bus *bus; 48 1.1.2.2 riastrad struct pci_attach_args pd_pa; 49 1.1.2.2 riastrad }; 50 1.1.2.2 riastrad 51 1.1.2.2 riastrad #define PCI_CAP_ID_AGP PCI_CAP_AGP 52 1.1.2.2 riastrad 53 1.1.2.2 riastrad static inline int 54 1.1.2.2 riastrad pci_find_capability(struct pci_dev *pdev, int cap) 55 1.1.2.2 riastrad { 56 1.1.2.2 riastrad return pci_get_capability(pdev->pd_pa.pa_pc, pdev->pd_pa.pa_tag, cap, 57 1.1.2.2 riastrad NULL, NULL); 58 1.1.2.2 riastrad } 59 1.1.2.2 riastrad 60 1.1.2.3 riastrad static inline void 61 1.1.2.4 riastrad pci_read_config_dword(struct pci_dev *pdev, int reg, uint32_t *valuep) 62 1.1.2.3 riastrad { 63 1.1.2.3 riastrad *valuep = pci_conf_read(pdev->pd_pa.pa_pc, pdev->pd_pa.pa_tag, reg); 64 1.1.2.3 riastrad } 65 1.1.2.3 riastrad 66 1.1.2.3 riastrad static inline void 67 1.1.2.4 riastrad pci_write_config_dword(struct pci_dev *pdev, int reg, uint32_t value) 68 1.1.2.3 riastrad { 69 1.1.2.3 riastrad pci_conf_write(pdev->pd_pa.pa_pc, pdev->pd_pa.pa_tag, reg, value); 70 1.1.2.3 riastrad } 71 1.1.2.3 riastrad 72 1.1.2.4 riastrad #define PCIBIOS_MIN_MEM 0 /* XXX bogus x86 kludge bollocks */ 73 1.1.2.4 riastrad 74 1.1.2.4 riastrad static inline bus_addr_t 75 1.1.2.4 riastrad pcibios_align_resource(void *p, const struct resource *resource, 76 1.1.2.4 riastrad bus_addr_t addr, bus_size_t size) 77 1.1.2.4 riastrad { 78 1.1.2.4 riastrad panic("pcibios_align_resource has accessed unaligned neurons!"); 79 1.1.2.4 riastrad } 80 1.1.2.4 riastrad 81 1.1.2.4 riastrad static inline int 82 1.1.2.4 riastrad pci_bus_alloc_resource(struct pci_bus *bus, struct resource *resource, 83 1.1.2.4 riastrad bus_size_t size, bus_size_t align, bus_addr_t start, int type __unused, 84 1.1.2.4 riastrad bus_addr_t (*align_fn)(void *, const struct resource *, bus_addr_t, 85 1.1.2.4 riastrad bus_size_t) __unused, 86 1.1.2.4 riastrad struct pci_dev *pdev) 87 1.1.2.4 riastrad { 88 1.1.2.4 riastrad const struct pci_attach_args *const pa = &pdev->pd_pa; 89 1.1.2.4 riastrad bus_space_tag_t bst; 90 1.1.2.4 riastrad int error; 91 1.1.2.4 riastrad 92 1.1.2.4 riastrad switch (resource->flags) { 93 1.1.2.4 riastrad case IORESOURCE_MEM: 94 1.1.2.4 riastrad bst = pa->pa_memt; 95 1.1.2.4 riastrad break; 96 1.1.2.4 riastrad 97 1.1.2.4 riastrad case IORESOURCE_IO: 98 1.1.2.4 riastrad bst = pa->pa_iot; 99 1.1.2.4 riastrad break; 100 1.1.2.4 riastrad 101 1.1.2.4 riastrad default: 102 1.1.2.4 riastrad panic("I don't know what kind of resource you want!"); 103 1.1.2.4 riastrad } 104 1.1.2.4 riastrad 105 1.1.2.4 riastrad resource->r_bst = bst; 106 1.1.2.4 riastrad error = bus_space_alloc(bst, start, 0xffffffffffffffffULL /* XXX */, 107 1.1.2.4 riastrad size, align, 0, 0, &resource->start, &resource->r_bsh); 108 1.1.2.4 riastrad if (error) 109 1.1.2.4 riastrad return error; 110 1.1.2.4 riastrad 111 1.1.2.4 riastrad resource->size = size; 112 1.1.2.4 riastrad return 0; 113 1.1.2.4 riastrad } 114 1.1.2.4 riastrad 115 1.1.2.1 riastrad #endif /* _LINUX_PCI_H_ */ 116
Indexes created Wed Oct 01 07:09:59 GMT 2025