pci_machdep.c revision 1.3
1 1.3 cgd /* $NetBSD: pci_machdep.c,v 1.3 1995/11/23 02:38:07 cgd Exp $ */ 2 1.1 cgd 3 1.1 cgd /* 4 1.3 cgd * Copyright (c) 1995 Carnegie-Mellon University. 5 1.3 cgd * All rights reserved. 6 1.1 cgd * 7 1.3 cgd * Author: Chris G. Demetriou 8 1.3 cgd * 9 1.3 cgd * Permission to use, copy, modify and distribute this software and 10 1.3 cgd * its documentation is hereby granted, provided that both the copyright 11 1.3 cgd * notice and this permission notice appear in all copies of the 12 1.3 cgd * software, derivative works or modified versions, and any portions 13 1.3 cgd * thereof, and that both notices appear in supporting documentation. 14 1.3 cgd * 15 1.3 cgd * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 16 1.3 cgd * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 17 1.3 cgd * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 18 1.3 cgd * 19 1.3 cgd * Carnegie Mellon requests users of this software to return to 20 1.1 cgd * 21 1.3 cgd * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU 22 1.3 cgd * School of Computer Science 23 1.3 cgd * Carnegie Mellon University 24 1.3 cgd * Pittsburgh PA 15213-3890 25 1.3 cgd * 26 1.3 cgd * any improvements or extensions that they make and grant Carnegie the 27 1.3 cgd * rights to redistribute these changes. 28 1.1 cgd */ 29 1.1 cgd 30 1.1 cgd /* 31 1.1 cgd * Machine-specific functions for PCI autoconfiguration. 32 1.1 cgd */ 33 1.1 cgd 34 1.1 cgd #include <sys/types.h> 35 1.1 cgd #include <sys/param.h> 36 1.1 cgd #include <sys/time.h> 37 1.1 cgd #include <sys/systm.h> 38 1.1 cgd #include <sys/errno.h> 39 1.1 cgd #include <sys/device.h> 40 1.1 cgd 41 1.1 cgd #include <vm/vm.h> 42 1.1 cgd 43 1.1 cgd #include <dev/isa/isavar.h> 44 1.3 cgd #include <dev/pci/pcireg.h> 45 1.1 cgd #include <dev/pci/pcivar.h> 46 1.2 cgd #include <dev/pci/pcidevs.h> 47 1.1 cgd 48 1.2 cgd #include "pcivga.h" 49 1.3 cgd #if NPCIVGA 50 1.3 cgd #include <alpha/pci/pcivgavar.h> 51 1.3 cgd #endif 52 1.3 cgd 53 1.2 cgd #include "tga.h" 54 1.3 cgd #if NTGA 55 1.3 cgd #include <alpha/pci/tgavar.h> 56 1.3 cgd #endif 57 1.1 cgd 58 1.1 cgd void 59 1.3 cgd pci_display_console(pcf, pcfa, pmf, pmfa, ppf, ppfa, bus, device, function) 60 1.3 cgd __const struct pci_conf_fns *pcf; 61 1.3 cgd __const struct pci_mem_fns *pmf; 62 1.3 cgd __const struct pci_pio_fns *ppf; 63 1.3 cgd void *pcfa, *pmfa, *ppfa; 64 1.3 cgd pci_bus_t bus; 65 1.3 cgd pci_device_t device; 66 1.3 cgd pci_function_t function; 67 1.1 cgd { 68 1.3 cgd pci_conftag_t tag; 69 1.3 cgd pci_confreg_t id, class; 70 1.1 cgd 71 1.3 cgd tag = PCI_MAKE_TAG(bus, device, function); 72 1.3 cgd id = PCI_CONF_READ(pcf, pcfa, tag, PCI_ID_REG); 73 1.2 cgd if (id == 0 || id == 0xffffffff) 74 1.2 cgd panic("pci_display_console: no device at %d/%d/%d", 75 1.2 cgd bus, device, function); 76 1.3 cgd class = PCI_CONF_READ(pcf, pcfa, tag, PCI_CLASS_REG); 77 1.2 cgd 78 1.2 cgd #if NPCIVGA 79 1.3 cgd if (DEVICE_IS_PCIVGA(class, id)) { 80 1.3 cgd pcivga_console(pcf, pcfa, pmf, pmfa, ppf, ppfa, bus, 81 1.3 cgd device, function); 82 1.2 cgd return; 83 1.2 cgd } 84 1.3 cgd #endif 85 1.2 cgd 86 1.2 cgd #if NTGA 87 1.3 cgd if (DEVICE_IS_TGA(class, id)) { 88 1.3 cgd tga_console(pcf, pcfa, pmf, pmfa, ppf, ppfa, bus, 89 1.3 cgd device, function); 90 1.2 cgd return; 91 1.2 cgd } 92 1.3 cgd #endif 93 1.2 cgd 94 1.3 cgd panic("pci_display_console: unconfigured device at %d/%d/%d", 95 1.2 cgd bus, device, function); 96 1.1 cgd } 97
Indexes created Mon Sep 29 21:09:56 GMT 2025