/* $OpenBSD: pcibiosvar.h,v 1.17 2007/03/19 05:32:05 deraadt Exp $ */ /* $NetBSD: pcibios.h,v 1.2 2000/04/28 17:15:16 uch Exp $ */ /* * Copyright (c) 1999, by UCHIYAMA Yasushi * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. The name of the developer may NOT be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Data structure definitions for the PCI BIOS interface. */ #define PCIBIOS_ADDR_FIXUP 0x001 #define PCIBIOS_BUS_FIXUP 0x002 #define PCIBIOS_INTR_FIXUP 0x004 #define PCIBIOS_INTR_GUESS 0x008 #define PCIBIOS_VERBOSE 0x010 #define PCIBIOS_INTRDEBUG 0x020 #define PCIBIOS_FIXUP_FORCE 0x040 /* * PCI BIOS return codes. */ #define PCIBIOS_SUCCESS 0x00 #define PCIBIOS_SERVICE_NOT_PRESENT 0x80 #define PCIBIOS_FUNCTION_NOT_SUPPORTED 0x81 #define PCIBIOS_BAD_VENDOR_ID 0x83 #define PCIBIOS_DEVICE_NOT_FOUND 0x86 #define PCIBIOS_BAD_REGISTER_NUMBER 0x87 #define PCIBIOS_SET_FAILED 0x88 #define PCIBIOS_BUFFER_TOO_SMALL 0x89 struct pcibios_softc { struct device sc_dev; int max_bus; /* address fixup guts */ struct extent *extent_mem; struct extent *extent_port; bus_addr_t mem_alloc_start; bus_addr_t port_alloc_start; int nbogus; }; /* * PCI IRQ Routing Table definitions. */ /* * Slot entry (per PCI 2.1) */ struct pcibios_linkmap { u_int8_t link; u_int16_t bitmap; } __packed; struct pcibios_intr_routing { u_int8_t bus; u_int8_t device; struct pcibios_linkmap linkmap[4]; /* INT[A:D]# */ u_int8_t slot; u_int8_t reserved; } __packed; /* * $PIR header. Reference: * * http://www.microsoft.com/whdc/archive/pciirq.mspx */ struct pcibios_pir_header { u_int32_t signature; /* $PIR */ u_int16_t version; u_int16_t tablesize; u_int8_t router_bus; u_int8_t router_devfunc; u_int16_t exclusive_irq; u_int32_t compat_router; /* PCI vendor/product */ u_int32_t miniport; u_int8_t reserved[11]; u_int8_t checksum; } __packed; #define PIR_DEVFUNC_DEVICE(devfunc) (((devfunc) >> 3) & 0x1f) #define PIR_DEVFUNC_FUNCTION(devfunc) ((devfunc) & 7) #define PIR_DEVFUNC_COMPOSE(dev,func) ((((dev) &0x1f) << 3) | ((func) & 7)) void pcibios_init(void); extern struct pcibios_pir_header pcibios_pir_header; extern struct pcibios_intr_routing *pcibios_pir_table; extern int pcibios_pir_table_nentries; extern int pcibios_flags; typedef void *pciintr_icu_handle_t; struct pciintr_icu { int (*pi_getclink)(pciintr_icu_handle_t, int, int *); int (*pi_get_intr)(pciintr_icu_handle_t, int, int *); int (*pi_set_intr)(pciintr_icu_handle_t, int, int); int (*pi_get_trigger)(pciintr_icu_handle_t, int, int *); int (*pi_set_trigger)(pciintr_icu_handle_t, int, int); }; typedef const struct pciintr_icu *pciintr_icu_tag_t; #define pciintr_icu_getclink(t, h, link, pirqp) \ (*(t)->pi_getclink)((h), (link), (pirqp)) #define pciintr_icu_get_intr(t, h, pirq, irqp) \ (*(t)->pi_get_intr)((h), (pirq), (irqp)) #define pciintr_icu_set_intr(t, h, pirq, irq) \ (*(t)->pi_set_intr)((h), (pirq), (irq)) #define pciintr_icu_get_trigger(t, h, irq, triggerp) \ (*(t)->pi_get_trigger)((h), (irq), (triggerp)) #define pciintr_icu_set_trigger(t, h, irq, trigger) \ (*(t)->pi_set_trigger)((h), (irq), (trigger)) #define PCIBIOS_PRINTV(arg) \ do { \ if (pcibios_flags & PCIBIOS_VERBOSE) \ printf arg; \ } while (0) #define PCIADDR_SEARCH_IO 0 #define PCIADDR_SEARCH_MEM 1 struct extent *pciaddr_search(int, bus_addr_t *, bus_size_t); #define PCI_INT_VIA_ISA 0x20000000 /* XXX see APIC_INT_VIA_APIC */ int pci_intr_fixup(struct pcibios_softc *, pci_chipset_tag_t, bus_space_tag_t); int pci_bus_fixup(pci_chipset_tag_t, int); void pci_addr_fixup(struct pcibios_softc *, pci_chipset_tag_t, int); void pci_device_foreach(struct pcibios_softc *, pci_chipset_tag_t, int, void (*)(struct pcibios_softc *, pci_chipset_tag_t, pcitag_t)); int pci_intr_header_fixup(pci_chipset_tag_t, pcitag_t, pci_intr_handle_t *); int pci_intr_route_link(pci_chipset_tag_t, pci_intr_handle_t *); int pci_intr_post_fixup(void); /* * Init functions for our known PCI ICUs. */ int piix_init(pci_chipset_tag_t, bus_space_tag_t, pcitag_t, pciintr_icu_tag_t *, pciintr_icu_handle_t *); int opti82c558_init(pci_chipset_tag_t, bus_space_tag_t, pcitag_t, pciintr_icu_tag_t *, pciintr_icu_handle_t *); int opti82c700_init(pci_chipset_tag_t, bus_space_tag_t, pcitag_t, pciintr_icu_tag_t *, pciintr_icu_handle_t *); int via82c586_init(pci_chipset_tag_t, bus_space_tag_t, pcitag_t, pciintr_icu_tag_t *, pciintr_icu_handle_t *); int via8231_init(pci_chipset_tag_t, bus_space_tag_t, pcitag_t, pciintr_icu_tag_t *, pciintr_icu_handle_t *); int sis85c503_init(pci_chipset_tag_t, bus_space_tag_t, pcitag_t, pciintr_icu_tag_t *, pciintr_icu_handle_t *); int amd756_init(pci_chipset_tag_t, bus_space_tag_t, pcitag_t, pciintr_icu_tag_t *, pciintr_icu_handle_t *); int ali1543_init(pci_chipset_tag_t, bus_space_tag_t, pcitag_t, pciintr_icu_tag_t *, pciintr_icu_handle_t *); int osb4_init(pci_chipset_tag_t, bus_space_tag_t, pcitag_t, pciintr_icu_tag_t *, pciintr_icu_handle_t *);