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/*
* Purpose: Definitions of various PCI specific constants and functions
*
* All drivers for PCI devices should included this file.
*/
/*
*
* This file is part of Open Sound System.
*
* Copyright (C) 4Front Technologies 1996-2008.
*
* This this source file is released under GPL v2 license (no other versions).
* See the COPYING file included in the main directory of this source
* distribution for the license terms and conditions.
*
*/
#ifndef OSS_PCI_H
#define OSS_PCI_H
#define OSS_HAVE_PCI
#define PCIBIOS_SUCCESSFUL 0x00
#define PCIBIOS_FAILED -1
#define PCI_CLASS_MULTIMEDIA_AUDIO 0x0401
#define PCI_CLASS_MULTIMEDIA_OTHER 0x0480
#define PCI_VENDOR_ID 0x00
#define PCI_REVISION_ID 0x08
#define PCI_COMMAND 0x04
#define PCI_DEVICE_ID 0x02
#define PCI_LATENCY_TIMER 0x0d
#define PCI_INTERRUPT_LINE 0x3c
#define PCI_BASE_ADDRESS_0 0x10
#define PCI_MEM_BASE_ADDRESS_0 0x10
#define PCI_MEM_BASE_ADDRESS_1 0x14
#define PCI_MEM_BASE_ADDRESS_2 0x18
#define PCI_MEM_BASE_ADDRESS_3 0x1c
#define PCI_BASE_ADDRESS_1 0x14
#define PCI_BASE_ADDRESS_2 0x18
#define PCI_BASE_ADDRESS_3 0x1c
#define PCI_BASE_ADDRESS_4 0x20
#define PCI_BASE_ADDRESS_5 0x24
#define PCI_COMMAND_IO 0x01
#define PCI_COMMAND_MEMORY 0x02
#define PCI_COMMAND_MASTER 0x04
#define PCI_COMMAND_PARITY 0x40
#define PCI_COMMAND_SERR 0x100
#define PCI_STATUS 0x06
#define PCI_SUBSYSTEM_VENDOR_ID 0x2c
#define PCI_SUBSYSTEM_ID 0x2e
extern int pci_read_config_byte (oss_device_t * osdev, offset_t where,
unsigned char *val);
extern int pci_read_config_irq (oss_device_t * osdev, offset_t where,
unsigned char *val);
extern int pci_read_config_word (oss_device_t * osdev, offset_t where,
unsigned short *val);
extern int pci_read_config_dword (oss_device_t * osdev, offset_t where,
unsigned int *val);
extern int pci_write_config_byte (oss_device_t * osdev, offset_t where,
unsigned char val);
extern int pci_write_config_word (oss_device_t * osdev, offset_t where,
unsigned short val);
extern int pci_write_config_dword (oss_device_t * osdev, offset_t where,
unsigned int val);
extern int pci_enable_msi (oss_device_t * osdev);
#endif
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