/* $NetBSD: pcireg.h,v 1.11 1996/08/10 15:42:33 mycroft Exp $ */ /* * Copyright (c) 1995, 1996 Christopher G. Demetriou. All rights reserved. * Copyright (c) 1994, 1996 Charles Hannum. 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. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Charles Hannum. * 4. The name of the author 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 ``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 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. */ #ifndef _DEV_PCI_PCIREG_H_ #define _DEV_PCI_PCIREG_H_ /* * Standardized PCI configuration information * * XXX This is not complete. */ /* * Device identification register; contains a vendor ID and a device ID. */ #define PCI_ID_REG 0x00 typedef u_int16_t pci_vendor_id_t; typedef u_int16_t pci_product_id_t; #define PCI_VENDOR_SHIFT 0 #define PCI_VENDOR_MASK 0xffff #define PCI_VENDOR(id) \ (((id) >> PCI_VENDOR_SHIFT) & PCI_VENDOR_MASK) #define PCI_PRODUCT_SHIFT 16 #define PCI_PRODUCT_MASK 0xffff #define PCI_PRODUCT(id) \ (((id) >> PCI_PRODUCT_SHIFT) & PCI_PRODUCT_MASK) /* * Command and status register. */ #define PCI_COMMAND_STATUS_REG 0x04 #define PCI_COMMAND_IO_ENABLE 0x00000001 #define PCI_COMMAND_MEM_ENABLE 0x00000002 #define PCI_COMMAND_MASTER_ENABLE 0x00000004 #define PCI_COMMAND_SPECIAL_ENABLE 0x00000008 #define PCI_COMMAND_INVALIDATE_ENABLE 0x00000010 #define PCI_COMMAND_PALETTE_ENABLE 0x00000020 #define PCI_COMMAND_PARITY_ENABLE 0x00000040 #define PCI_COMMAND_STEPPING_ENABLE 0x00000080 #define PCI_COMMAND_SERR_ENABLE 0x00000100 #define PCI_COMMAND_BACKTOBACK_ENABLE 0x00000200 #define PCI_STATUS_BACKTOBACK_OKAY 0x00800000 #define PCI_STATUS_PARITY_ERROR 0x01000000 #define PCI_STATUS_DEVSEL_FAST 0x00000000 #define PCI_STATUS_DEVSEL_MEDIUM 0x02000000 #define PCI_STATUS_DEVSEL_SLOW 0x04000000 #define PCI_STATUS_DEVSEL_MASK 0x06000000 #define PCI_STATUS_TARGET_TARGET_ABORT 0x08000000 #define PCI_STATUS_MASTER_TARGET_ABORT 0x10000000 #define PCI_STATUS_MASTER_ABORT 0x20000000 #define PCI_STATUS_SPECIAL_ERROR 0x40000000 #define PCI_STATUS_PARITY_DETECT 0x80000000 /* * PCI Class and Revision Register; defines type and revision of device. */ #define PCI_CLASS_REG 0x08 typedef u_int8_t pci_class_t; typedef u_int8_t pci_subclass_t; typedef u_int8_t pci_interface_t; typedef u_int8_t pci_revision_t; #define PCI_CLASS_SHIFT 24 #define PCI_CLASS_MASK 0xff #define PCI_CLASS(cr) \ (((cr) >> PCI_CLASS_SHIFT) & PCI_CLASS_MASK) #define PCI_SUBCLASS_SHIFT 16 #define PCI_SUBCLASS_MASK 0xff #define PCI_SUBCLASS(cr) \ (((cr) >> PCI_SUBCLASS_SHIFT) & PCI_SUBCLASS_MASK) #define PCI_INTERFACE_SHIFT 8 #define PCI_INTERFACE_MASK 0xff #define PCI_INTERFACE(cr) \ (((cr) >> PCI_INTERFACE_SHIFT) & PCI_INTERFACE_MASK) #define PCI_REVISION_SHIFT 0 #define PCI_REVISION_MASK 0xff #define PCI_REVISION(cr) \ (((cr) >> PCI_REVISION_SHIFT) & PCI_REVISION_MASK) /* base classes */ #define PCI_CLASS_PREHISTORIC 0x00 #define PCI_CLASS_MASS_STORAGE 0x01 #define PCI_CLASS_NETWORK 0x02 #define PCI_CLASS_DISPLAY 0x03 #define PCI_CLASS_MULTIMEDIA 0x04 #define PCI_CLASS_MEMORY 0x05 #define PCI_CLASS_BRIDGE 0x06 #define PCI_CLASS_UNDEFINED 0xff /* 0x00 prehistoric subclasses */ #define PCI_SUBCLASS_PREHISTORIC_MISC 0x00 #define PCI_SUBCLASS_PREHISTORIC_VGA 0x01 /* 0x01 mass storage subclasses */ #define PCI_SUBCLASS_MASS_STORAGE_SCSI 0x00 #define PCI_SUBCLASS_MASS_STORAGE_IDE 0x01 #define PCI_SUBCLASS_MASS_STORAGE_FLOPPY 0x02 #define PCI_SUBCLASS_MASS_STORAGE_IPI 0x03 #define PCI_SUBCLASS_MASS_STORAGE_MISC 0x80 /* 0x02 network subclasses */ #define PCI_SUBCLASS_NETWORK_ETHERNET 0x00 #define PCI_SUBCLASS_NETWORK_TOKENRING 0x01 #define PCI_SUBCLASS_NETWORK_FDDI 0x02 #define PCI_SUBCLASS_NETWORK_MISC 0x80 /* 0x03 display subclasses */ #define PCI_SUBCLASS_DISPLAY_VGA 0x00 #define PCI_SUBCLASS_DISPLAY_XGA 0x01 #define PCI_SUBCLASS_DISPLAY_MISC 0x80 /* 0x04 multimedia subclasses */ #define PCI_SUBCLASS_MULTIMEDIA_VIDEO 0x00 #define PCI_SUBCLASS_MULTIMEDIA_AUDIO 0x01 #define PCI_SUBCLASS_MULTIMEDIA_MISC 0x80 /* 0x05 memory subclasses */ #define PCI_SUBCLASS_MEMORY_RAM 0x00 #define PCI_SUBCLASS_MEMORY_FLASH 0x01 #define PCI_SUBCLASS_MEMORY_MISC 0x80 /* 0x06 bridge subclasses */ #define PCI_SUBCLASS_BRIDGE_HOST 0x00 #define PCI_SUBCLASS_BRIDGE_ISA 0x01 #define PCI_SUBCLASS_BRIDGE_EISA 0x02 #define PCI_SUBCLASS_BRIDGE_MC 0x03 #define PCI_SUBCLASS_BRIDGE_PCI 0x04 #define PCI_SUBCLASS_BRIDGE_PCMCIA 0x05 #define PCI_SUBCLASS_BRIDGE_MISC 0x80 /* * PCI BIST/Header Type/Latency Timer/Cache Line Size Register. */ #define PCI_BHLC_REG 0x0c #define PCI_BIST_SHIFT 24 #define PCI_BIST_MASK 0xff #define PCI_BIST(bhlcr) \ (((bhlcr) >> PCI_BIST_SHIFT) & PCI_BIST_MASK) #define PCI_HDRTYPE_SHIFT 24 #define PCI_HDRTYPE_MASK 0xff #define PCI_HDRTYPE(bhlcr) \ (((bhlcr) >> PCI_HDRTYPE_SHIFT) & PCI_HDRTYPE_MASK) #define PCI_HDRTYPE_MULTIFN(bhlcr) \ ((PCI_HDRTYPE(bhlcr) & 0x80) != 0) #define PCI_LATTIMER_SHIFT 24 #define PCI_LATTIMER_MASK 0xff #define PCI_LATTIMER(bhlcr) \ (((bhlcr) >> PCI_LATTIMER_SHIFT) & PCI_LATTIMER_MASK) #define PCI_CACHELINE_SHIFT 24 #define PCI_CACHELINE_MASK 0xff #define PCI_CACHELINE(bhlcr) \ (((bhlcr) >> PCI_CACHELINE_SHIFT) & PCI_CACHELINE_MASK) /* * Mapping registers */ #define PCI_MAPREG_START 0x10 #define PCI_MAPREG_END 0x28 #define PCI_MAPREG_TYPE(mr) \ ((mr) & PCI_MAPREG_TYPE_MASK) #define PCI_MAPREG_TYPE_MASK 0x00000001 #define PCI_MAPREG_TYPE_MEM 0x00000000 #define PCI_MAPREG_TYPE_IO 0x00000001 #define PCI_MAPREG_MEM_TYPE(mr) \ ((mr) & PCI_MAPREG_MEM_TYPE_MASK) #define PCI_MAPREG_MEM_TYPE_MASK 0x00000006 #define PCI_MAPREG_MEM_TYPE_32BIT 0x00000000 #define PCI_MAPREG_MEM_TYPE_32BIT_1M 0x00000002 #define PCI_MAPREG_MEM_TYPE_64BIT 0x00000004 #define PCI_MAPREG_MEM_CACHEABLE(mr) \ (((mr) & PCI_MAPREG_MEM_CACHEABLE_MASK) != 0) #define PCI_MAPREG_MEM_CACHEABLE_MASK 0x00000008 #define PCI_MAPREG_MEM_ADDR(mr) \ ((mr) & PCI_MAPREG_MEM_ADDR_MASK) #define PCI_MAPREG_MEM_SIZE(mr) \ (PCI_MAPREG_MEM_ADDR(mr) & -PCI_MAPREG_MEM_ADDR(mr)) #define PCI_MAPREG_MEM_ADDR_MASK 0xfffffff0 #define PCI_MAPREG_IO_ADDR(mr) \ ((mr) & PCI_MAPREG_IO_ADDR_MASK) #define PCI_MAPREG_IO_SIZE(mr) \ (PCI_MAPREG_IO_ADDR(mr) & -PCI_MAPREG_IO_ADDR(mr)) #define PCI_MAPREG_IO_ADDR_MASK 0xfffffffe /* * Interrupt Configuration Register; contains interrupt pin and line. */ #define PCI_INTERRUPT_REG 0x3c typedef u_int8_t pci_intr_pin_t; typedef u_int8_t pci_intr_line_t; #define PCI_INTERRUPT_PIN_SHIFT 8 #define PCI_INTERRUPT_PIN_MASK 0xff #define PCI_INTERRUPT_PIN(icr) \ (((icr) >> PCI_INTERRUPT_PIN_SHIFT) & PCI_INTERRUPT_PIN_MASK) #define PCI_INTERRUPT_LINE_SHIFT 0 #define PCI_INTERRUPT_LINE_MASK 0xff #define PCI_INTERRUPT_LINE(icr) \ (((icr) >> PCI_INTERRUPT_LINE_SHIFT) & PCI_INTERRUPT_LINE_MASK) #define PCI_INTERRUPT_PIN_NONE 0x00 #define PCI_INTERRUPT_PIN_A 0x01 #define PCI_INTERRUPT_PIN_B 0x02 #define PCI_INTERRUPT_PIN_C 0x03 #define PCI_INTERRUPT_PIN_D 0x04 #endif /* _DEV_PCI_PCIREG_H_ */