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/* $OpenBSD: pcireg.h,v 1.2 1996/04/18 23:48:07 niklas Exp $ */
/* $NetBSD: pcireg.h,v 1.5 1996/03/04 19:30:51 cgd Exp $ */
/*
* Copyright (c) 1995, 1996 Christopher G. Demetriou. All rights reserved.
* Copyright (c) 1994 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.
*/
/*
* 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
/*
* 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_ADDR_MASK 0xfffffff0
#define PCI_MAPREG_IO_ADDR(mr) \
((mr) & PCI_MAPREG_IO_ADDR_MASK)
#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
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