This is the include file required to compile flashrom on windows. Will be part of a separate directio for windows release. Index: directio.h =================================================================== --- directio.h (revision 0) +++ directio.h (revision 0) @@ -0,0 +1,589 @@ +#ifndef __DIRECT_IO_H__ +#define __DIRECT_IO_H__ + +int init_driver(); // returns 0 on error, 1 on success +void cleanup_driver(); // must be called after done using the driver + +void* map_physical_addr_range( unsigned long phy_addr_start, + unsigned long size ); // returns NULL on error, valid pointer on success +int unmap_physical_addr_range( void* virt_addr_start, + unsigned long size ); // must be called after done with the mapped physical memory + +unsigned long hal_pci_read_offset( unsigned long bus, unsigned long device, + unsigned long function, unsigned long offset, + unsigned char length); + +void hal_pci_write_offset( unsigned long bus, unsigned long device, + unsigned long function, unsigned long offset, + unsigned long value, unsigned char length ); + +void outb(unsigned char value, unsigned short port); +void outw(unsigned short value, unsigned short port); +void outl(unsigned long value, unsigned short port); + +unsigned char inb(unsigned short port); +unsigned short inw(unsigned short port); +unsigned long inl(unsigned short port); + +int getpagesize(void); +int iopl(int level); + +/* + * $Id: pci.h,v 1.12 2003/01/04 11:04:39 mj Exp $ + * + * The PCI Library + * + * Copyright (c) 1997--2002 Martin Mares + * + * Can be freely distributed and used under the terms of the GNU GPL. + */ + +#ifndef _PCI_LIB_H +#define _PCI_LIB_H + +/* + * $Id: header.h,v 1.9 2002/12/26 20:24:50 mj Exp $ + * + * The PCI Library -- PCI Header Structure (extracted from ) + * + * Copyright (c) 1997--2002 Martin Mares + * + * Can be freely distributed and used under the terms of the GNU GPL. + */ + +/* + * Under PCI, each device has 256 bytes of configuration address space, + * of which the first 64 bytes are standardized as follows: + */ +#define PCI_VENDOR_ID 0x00 /* 16 bits */ +#define PCI_DEVICE_ID 0x02 /* 16 bits */ +#define PCI_COMMAND 0x04 /* 16 bits */ +#define PCI_COMMAND_IO 0x1 /* Enable response in I/O space */ +#define PCI_COMMAND_MEMORY 0x2 /* Enable response in Memory space */ +#define PCI_COMMAND_MASTER 0x4 /* Enable bus mastering */ +#define PCI_COMMAND_SPECIAL 0x8 /* Enable response to special cycles */ +#define PCI_COMMAND_INVALIDATE 0x10 /* Use memory write and invalidate */ +#define PCI_COMMAND_VGA_PALETTE 0x20 /* Enable palette snooping */ +#define PCI_COMMAND_PARITY 0x40 /* Enable parity checking */ +#define PCI_COMMAND_WAIT 0x80 /* Enable address/data stepping */ +#define PCI_COMMAND_SERR 0x100 /* Enable SERR */ +#define PCI_COMMAND_FAST_BACK 0x200 /* Enable back-to-back writes */ + +#define PCI_STATUS 0x06 /* 16 bits */ +#define PCI_STATUS_CAP_LIST 0x10 /* Support Capability List */ +#define PCI_STATUS_66MHZ 0x20 /* Support 66 Mhz PCI 2.1 bus */ +#define PCI_STATUS_UDF 0x40 /* Support User Definable Features [obsolete] */ +#define PCI_STATUS_FAST_BACK 0x80 /* Accept fast-back to back */ +#define PCI_STATUS_PARITY 0x100 /* Detected parity error */ +#define PCI_STATUS_DEVSEL_MASK 0x600 /* DEVSEL timing */ +#define PCI_STATUS_DEVSEL_FAST 0x000 +#define PCI_STATUS_DEVSEL_MEDIUM 0x200 +#define PCI_STATUS_DEVSEL_SLOW 0x400 +#define PCI_STATUS_SIG_TARGET_ABORT 0x800 /* Set on target abort */ +#define PCI_STATUS_REC_TARGET_ABORT 0x1000 /* Master ack of " */ +#define PCI_STATUS_REC_MASTER_ABORT 0x2000 /* Set on master abort */ +#define PCI_STATUS_SIG_SYSTEM_ERROR 0x4000 /* Set when we drive SERR */ +#define PCI_STATUS_DETECTED_PARITY 0x8000 /* Set on parity error */ + +#define PCI_CLASS_REVISION 0x08 /* High 24 bits are class, low 8 + revision */ +#define PCI_REVISION_ID 0x08 /* Revision ID */ +#define PCI_CLASS_PROG 0x09 /* Reg. Level Programming Interface */ +#define PCI_CLASS_DEVICE 0x0a /* Device class */ + +#define PCI_CACHE_LINE_SIZE 0x0c /* 8 bits */ +#define PCI_LATENCY_TIMER 0x0d /* 8 bits */ +#define PCI_HEADER_TYPE 0x0e /* 8 bits */ +#define PCI_HEADER_TYPE_NORMAL 0 +#define PCI_HEADER_TYPE_BRIDGE 1 +#define PCI_HEADER_TYPE_CARDBUS 2 + +#define PCI_BIST 0x0f /* 8 bits */ +#define PCI_BIST_CODE_MASK 0x0f /* Return result */ +#define PCI_BIST_START 0x40 /* 1 to start BIST, 2 secs or less */ +#define PCI_BIST_CAPABLE 0x80 /* 1 if BIST capable */ + +/* + * Base addresses specify locations in memory or I/O space. + * Decoded size can be determined by writing a value of + * 0xffffffff to the register, and reading it back. Only + * 1 bits are decoded. + */ +#define PCI_BASE_ADDRESS_0 0x10 /* 32 bits */ +#define PCI_BASE_ADDRESS_1 0x14 /* 32 bits [htype 0,1 only] */ +#define PCI_BASE_ADDRESS_2 0x18 /* 32 bits [htype 0 only] */ +#define PCI_BASE_ADDRESS_3 0x1c /* 32 bits */ +#define PCI_BASE_ADDRESS_4 0x20 /* 32 bits */ +#define PCI_BASE_ADDRESS_5 0x24 /* 32 bits */ +#define PCI_BASE_ADDRESS_SPACE 0x01 /* 0 = memory, 1 = I/O */ +#define PCI_BASE_ADDRESS_SPACE_IO 0x01 +#define PCI_BASE_ADDRESS_SPACE_MEMORY 0x00 +#define PCI_BASE_ADDRESS_MEM_TYPE_MASK 0x06 +#define PCI_BASE_ADDRESS_MEM_TYPE_32 0x00 /* 32 bit address */ +#define PCI_BASE_ADDRESS_MEM_TYPE_1M 0x02 /* Below 1M [obsolete] */ +#define PCI_BASE_ADDRESS_MEM_TYPE_64 0x04 /* 64 bit address */ +#define PCI_BASE_ADDRESS_MEM_PREFETCH 0x08 /* prefetchable? */ +#define PCI_BASE_ADDRESS_MEM_MASK (~0x0fUL) +#define PCI_BASE_ADDRESS_IO_MASK (~0x03UL) +/* bit 1 is reserved if address_space = 1 */ + +/* Header type 0 (normal devices) */ +#define PCI_CARDBUS_CIS 0x28 +#define PCI_SUBSYSTEM_VENDOR_ID 0x2c +#define PCI_SUBSYSTEM_ID 0x2e +#define PCI_ROM_ADDRESS 0x30 /* Bits 31..11 are address, 10..1 reserved */ +#define PCI_ROM_ADDRESS_ENABLE 0x01 +#define PCI_ROM_ADDRESS_MASK (~0x7ffUL) + +#define PCI_CAPABILITY_LIST 0x34 /* Offset of first capability list entry */ + +/* 0x35-0x3b are reserved */ +#define PCI_INTERRUPT_LINE 0x3c /* 8 bits */ +#define PCI_INTERRUPT_PIN 0x3d /* 8 bits */ +#define PCI_MIN_GNT 0x3e /* 8 bits */ +#define PCI_MAX_LAT 0x3f /* 8 bits */ + +/* Header type 1 (PCI-to-PCI bridges) */ +#define PCI_PRIMARY_BUS 0x18 /* Primary bus number */ +#define PCI_SECONDARY_BUS 0x19 /* Secondary bus number */ +#define PCI_SUBORDINATE_BUS 0x1a /* Highest bus number behind the bridge */ +#define PCI_SEC_LATENCY_TIMER 0x1b /* Latency timer for secondary interface */ +#define PCI_IO_BASE 0x1c /* I/O range behind the bridge */ +#define PCI_IO_LIMIT 0x1d +#define PCI_IO_RANGE_TYPE_MASK 0x0f /* I/O bridging type */ +#define PCI_IO_RANGE_TYPE_16 0x00 +#define PCI_IO_RANGE_TYPE_32 0x01 +#define PCI_IO_RANGE_MASK ~0x0f +#define PCI_SEC_STATUS 0x1e /* Secondary status register, only bit 14 used */ +#define PCI_MEMORY_BASE 0x20 /* Memory range behind */ +#define PCI_MEMORY_LIMIT 0x22 +#define PCI_MEMORY_RANGE_TYPE_MASK 0x0f +#define PCI_MEMORY_RANGE_MASK ~0x0f +#define PCI_PREF_MEMORY_BASE 0x24 /* Prefetchable memory range behind */ +#define PCI_PREF_MEMORY_LIMIT 0x26 +#define PCI_PREF_RANGE_TYPE_MASK 0x0f +#define PCI_PREF_RANGE_TYPE_32 0x00 +#define PCI_PREF_RANGE_TYPE_64 0x01 +#define PCI_PREF_RANGE_MASK ~0x0f +#define PCI_PREF_BASE_UPPER32 0x28 /* Upper half of prefetchable memory range */ +#define PCI_PREF_LIMIT_UPPER32 0x2c +#define PCI_IO_BASE_UPPER16 0x30 /* Upper half of I/O addresses */ +#define PCI_IO_LIMIT_UPPER16 0x32 +/* 0x34 same as for htype 0 */ +/* 0x35-0x3b is reserved */ +#define PCI_ROM_ADDRESS1 0x38 /* Same as PCI_ROM_ADDRESS, but for htype 1 */ +/* 0x3c-0x3d are same as for htype 0 */ +#define PCI_BRIDGE_CONTROL 0x3e +#define PCI_BRIDGE_CTL_PARITY 0x01 /* Enable parity detection on secondary interface */ +#define PCI_BRIDGE_CTL_SERR 0x02 /* The same for SERR forwarding */ +#define PCI_BRIDGE_CTL_NO_ISA 0x04 /* Disable bridging of ISA ports */ +#define PCI_BRIDGE_CTL_VGA 0x08 /* Forward VGA addresses */ +#define PCI_BRIDGE_CTL_MASTER_ABORT 0x20 /* Report master aborts */ +#define PCI_BRIDGE_CTL_BUS_RESET 0x40 /* Secondary bus reset */ +#define PCI_BRIDGE_CTL_FAST_BACK 0x80 /* Fast Back2Back enabled on secondary interface */ + +/* Header type 2 (CardBus bridges) */ +/* 0x14-0x15 reserved */ +#define PCI_CB_SEC_STATUS 0x16 /* Secondary status */ +#define PCI_CB_PRIMARY_BUS 0x18 /* PCI bus number */ +#define PCI_CB_CARD_BUS 0x19 /* CardBus bus number */ +#define PCI_CB_SUBORDINATE_BUS 0x1a /* Subordinate bus number */ +#define PCI_CB_LATENCY_TIMER 0x1b /* CardBus latency timer */ +#define PCI_CB_MEMORY_BASE_0 0x1c +#define PCI_CB_MEMORY_LIMIT_0 0x20 +#define PCI_CB_MEMORY_BASE_1 0x24 +#define PCI_CB_MEMORY_LIMIT_1 0x28 +#define PCI_CB_IO_BASE_0 0x2c +#define PCI_CB_IO_BASE_0_HI 0x2e +#define PCI_CB_IO_LIMIT_0 0x30 +#define PCI_CB_IO_LIMIT_0_HI 0x32 +#define PCI_CB_IO_BASE_1 0x34 +#define PCI_CB_IO_BASE_1_HI 0x36 +#define PCI_CB_IO_LIMIT_1 0x38 +#define PCI_CB_IO_LIMIT_1_HI 0x3a +#define PCI_CB_IO_RANGE_MASK ~0x03 +/* 0x3c-0x3d are same as for htype 0 */ +#define PCI_CB_BRIDGE_CONTROL 0x3e +#define PCI_CB_BRIDGE_CTL_PARITY 0x01 /* Similar to standard bridge control register */ +#define PCI_CB_BRIDGE_CTL_SERR 0x02 +#define PCI_CB_BRIDGE_CTL_ISA 0x04 +#define PCI_CB_BRIDGE_CTL_VGA 0x08 +#define PCI_CB_BRIDGE_CTL_MASTER_ABORT 0x20 +#define PCI_CB_BRIDGE_CTL_CB_RESET 0x40 /* CardBus reset */ +#define PCI_CB_BRIDGE_CTL_16BIT_INT 0x80 /* Enable interrupt for 16-bit cards */ +#define PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 0x100 /* Prefetch enable for both memory regions */ +#define PCI_CB_BRIDGE_CTL_PREFETCH_MEM1 0x200 +#define PCI_CB_BRIDGE_CTL_POST_WRITES 0x400 +#define PCI_CB_SUBSYSTEM_VENDOR_ID 0x40 +#define PCI_CB_SUBSYSTEM_ID 0x42 +#define PCI_CB_LEGACY_MODE_BASE 0x44 /* 16-bit PC Card legacy mode base address (ExCa) */ +/* 0x48-0x7f reserved */ + +/* Capability lists */ + +#define PCI_CAP_LIST_ID 0 /* Capability ID */ +#define PCI_CAP_ID_PM 0x01 /* Power Management */ +#define PCI_CAP_ID_AGP 0x02 /* Accelerated Graphics Port */ +#define PCI_CAP_ID_VPD 0x03 /* Vital Product Data */ +#define PCI_CAP_ID_SLOTID 0x04 /* Slot Identification */ +#define PCI_CAP_ID_MSI 0x05 /* Message Signalled Interrupts */ +#define PCI_CAP_ID_CHSWP 0x06 /* CompactPCI HotSwap */ +#define PCI_CAP_ID_PCIX 0x07 /* PCI-X */ +#define PCI_CAP_LIST_NEXT 1 /* Next capability in the list */ +#define PCI_CAP_FLAGS 2 /* Capability defined flags (16 bits) */ +#define PCI_CAP_SIZEOF 4 + +/* Power Management Registers */ + +#define PCI_PM_CAP_VER_MASK 0x0007 /* Version (2=PM1.1) */ +#define PCI_PM_CAP_PME_CLOCK 0x0008 /* Clock required for PME generation */ +#define PCI_PM_CAP_DSI 0x0020 /* Device specific initialization required */ +#define PCI_PM_CAP_AUX_C_MASK 0x01c0 /* Maximum aux current required in D3cold */ +#define PCI_PM_CAP_D1 0x0200 /* D1 power state support */ +#define PCI_PM_CAP_D2 0x0400 /* D2 power state support */ +#define PCI_PM_CAP_PME_D0 0x0800 /* PME can be asserted from D0 */ +#define PCI_PM_CAP_PME_D1 0x1000 /* PME can be asserted from D1 */ +#define PCI_PM_CAP_PME_D2 0x2000 /* PME can be asserted from D2 */ +#define PCI_PM_CAP_PME_D3_HOT 0x4000 /* PME can be asserted from D3hot */ +#define PCI_PM_CAP_PME_D3_COLD 0x8000 /* PME can be asserted from D3cold */ +#define PCI_PM_CTRL 4 /* PM control and status register */ +#define PCI_PM_CTRL_STATE_MASK 0x0003 /* Current power state (D0 to D3) */ +#define PCI_PM_CTRL_PME_ENABLE 0x0100 /* PME pin enable */ +#define PCI_PM_CTRL_DATA_SEL_MASK 0x1e00 /* PM table data index */ +#define PCI_PM_CTRL_DATA_SCALE_MASK 0x6000 /* PM table data scaling factor */ +#define PCI_PM_CTRL_PME_STATUS 0x8000 /* PME pin status */ +#define PCI_PM_PPB_EXTENSIONS 6 /* PPB support extensions */ +#define PCI_PM_PPB_B2_B3 0x40 /* If bridge enters D3hot, bus enters: 0=B3, 1=B2 */ +#define PCI_PM_BPCC_ENABLE 0x80 /* Secondary bus is power managed */ +#define PCI_PM_DATA_REGISTER 7 /* PM table contents read here */ +#define PCI_PM_SIZEOF 8 + +/* AGP registers */ + +#define PCI_AGP_VERSION 2 /* BCD version number */ +#define PCI_AGP_RFU 3 /* Rest of capability flags */ +#define PCI_AGP_STATUS 4 /* Status register */ +#define PCI_AGP_STATUS_RQ_MASK 0xff000000 /* Maximum number of requests - 1 */ +#define PCI_AGP_STATUS_ISOCH 0x10000 /* Isochronous transactions supported */ +#define PCI_AGP_STATUS_ARQSZ_MASK 0xe000 /* log2(optimum async req size in bytes) - 4 */ +#define PCI_AGP_STATUS_CAL_MASK 0x1c00 /* Calibration cycle timing */ +#define PCI_AGP_STATUS_SBA 0x0200 /* Sideband addressing supported */ +#define PCI_AGP_STATUS_ITA_COH 0x0100 /* In-aperture accesses always coherent */ +#define PCI_AGP_STATUS_GART64 0x0080 /* 64-bit GART entries supported */ +#define PCI_AGP_STATUS_HTRANS 0x0040 /* If 0, core logic can xlate host CPU accesses thru aperture */ +#define PCI_AGP_STATUS_64BIT 0x0020 /* 64-bit addressing cycles supported */ +#define PCI_AGP_STATUS_FW 0x0010 /* Fast write transfers supported */ +#define PCI_AGP_STATUS_AGP3 0x0008 /* AGP3 mode supported */ +#define PCI_AGP_STATUS_RATE4 0x0004 /* 4x transfer rate supported (RFU in AGP3 mode) */ +#define PCI_AGP_STATUS_RATE2 0x0002 /* 2x transfer rate supported (8x in AGP3 mode) */ +#define PCI_AGP_STATUS_RATE1 0x0001 /* 1x transfer rate supported (4x in AGP3 mode) */ +#define PCI_AGP_COMMAND 8 /* Control register */ +#define PCI_AGP_COMMAND_RQ_MASK 0xff000000 /* Master: Maximum number of requests */ +#define PCI_AGP_COMMAND_ARQSZ_MASK 0xe000 /* log2(optimum async req size in bytes) - 4 */ +#define PCI_AGP_COMMAND_CAL_MASK 0x1c00 /* Calibration cycle timing */ +#define PCI_AGP_COMMAND_SBA 0x0200 /* Sideband addressing enabled */ +#define PCI_AGP_COMMAND_AGP 0x0100 /* Allow processing of AGP transactions */ +#define PCI_AGP_COMMAND_GART64 0x0080 /* 64-bit GART entries enabled */ +#define PCI_AGP_COMMAND_64BIT 0x0020 /* Allow generation of 64-bit addr cycles */ +#define PCI_AGP_COMMAND_FW 0x0010 /* Enable FW transfers */ +#define PCI_AGP_COMMAND_RATE4 0x0004 /* Use 4x rate (RFU in AGP3 mode) */ +#define PCI_AGP_COMMAND_RATE2 0x0002 /* Use 2x rate (8x in AGP3 mode) */ +#define PCI_AGP_COMMAND_RATE1 0x0001 /* Use 1x rate (4x in AGP3 mode) */ +#define PCI_AGP_SIZEOF 12 + +/* Slot Identification */ + +#define PCI_SID_ESR 2 /* Expansion Slot Register */ +#define PCI_SID_ESR_NSLOTS 0x1f /* Number of expansion slots available */ +#define PCI_SID_ESR_FIC 0x20 /* First In Chassis Flag */ +#define PCI_SID_CHASSIS_NR 3 /* Chassis Number */ + +/* Message Signalled Interrupts registers */ + +#define PCI_MSI_FLAGS 2 /* Various flags */ +#define PCI_MSI_FLAGS_64BIT 0x80 /* 64-bit addresses allowed */ +#define PCI_MSI_FLAGS_QSIZE 0x70 /* Message queue size configured */ +#define PCI_MSI_FLAGS_QMASK 0x0e /* Maximum queue size available */ +#define PCI_MSI_FLAGS_ENABLE 0x01 /* MSI feature enabled */ +#define PCI_MSI_RFU 3 /* Rest of capability flags */ +#define PCI_MSI_ADDRESS_LO 4 /* Lower 32 bits */ +#define PCI_MSI_ADDRESS_HI 8 /* Upper 32 bits (if PCI_MSI_FLAGS_64BIT set) */ +#define PCI_MSI_DATA_32 8 /* 16 bits of data for 32-bit devices */ +#define PCI_MSI_DATA_64 12 /* 16 bits of data for 64-bit devices */ + +/* PCI-X */ +#define PCI_PCIX_COMMAND 2 /* Command register offset */ +#define PCI_PCIX_COMMAND_DPERE 0x0001 /* Data Parity Error Recover Enable */ +#define PCI_PCIX_COMMAND_ERO 0x0002 /* Enable Relaxed Ordering */ +#define PCI_PCIX_COMMAND_MAX_MEM_READ_BYTE_COUNT 0x000c /* Maximum Memory Read Byte Count */ +#define PCI_PCIX_COMMAND_MAX_OUTSTANDING_SPLIT_TRANS 0x0070 +#define PCI_PCIX_COMMAND_RESERVED 0xf80 +#define PCI_PCIX_STATUS 4 /* Status register offset */ +#define PCI_PCIX_STATUS_FUNCTION 0x00000007 +#define PCI_PCIX_STATUS_DEVICE 0x000000f8 +#define PCI_PCIX_STATUS_BUS 0x0000ff00 +#define PCI_PCIX_STATUS_64BIT 0x00010000 +#define PCI_PCIX_STATUS_133MHZ 0x00020000 +#define PCI_PCIX_STATUS_SC_DISCARDED 0x00040000 /* Split Completion Discarded */ +#define PCI_PCIX_STATUS_UNEXPECTED_SC 0x00080000 /* Unexpected Split Completion */ +#define PCI_PCIX_STATUS_DEVICE_COMPLEXITY 0x00100000 /* 0 = simple device, 1 = bridge device */ +#define PCI_PCIX_STATUS_DESIGNED_MAX_MEM_READ_BYTE_COUNT 0x00600000 /* 0 = 512 bytes, 1 = 1024, 2 = 2048, 3 = 4096 */ +#define PCI_PCIX_STATUS_DESIGNED_MAX_OUTSTANDING_SPLIT_TRANS 0x03800000 +#define PCI_PCIX_STATUS_DESIGNED_MAX_CUMULATIVE_READ_SIZE 0x1c000000 +#define PCI_PCIX_STATUS_RCVD_SC_ERR_MESS 0x20000000 /* Received Split Completion Error Message */ +#define PCI_PCIX_STATUS_RESERVED 0xc0000000 +#define PCI_PCIX_SIZEOF 4 + +/* PCI-X Bridges */ +#define PCI_PCIX_BRIDGE_SEC_STATUS 2 /* Secondary bus status register offset */ +#define PCI_PCIX_BRIDGE_SEC_STATUS_64BIT 0x0001 +#define PCI_PCIX_BRIDGE_SEC_STATUS_133MHZ 0x0002 +#define PCI_PCIX_BRIDGE_SEC_STATUS_SC_DISCARDED 0x0004 /* Split Completion Discarded on secondary bus */ +#define PCI_PCIX_BRIDGE_SEC_STATUS_UNEXPECTED_SC 0x0008 /* Unexpected Split Completion on secondary bus */ +#define PCI_PCIX_BRIDGE_SEC_STATUS_SC_OVERRUN 0x0010 /* Split Completion Overrun on secondary bus */ +#define PCI_PCIX_BRIDGE_SEC_STATUS_SPLIT_REQUEST_DELAYED 0x0020 +#define PCI_PCIX_BRIDGE_SEC_STATUS_CLOCK_FREQ 0x01c0 +#define PCI_PCIX_BRIDGE_SEC_STATUS_RESERVED 0xfe00 +#define PCI_PCIX_BRIDGE_STATUS 4 /* Primary bus status register offset */ +#define PCI_PCIX_BRIDGE_STATUS_FUNCTION 0x00000007 +#define PCI_PCIX_BRIDGE_STATUS_DEVICE 0x000000f8 +#define PCI_PCIX_BRIDGE_STATUS_BUS 0x0000ff00 +#define PCI_PCIX_BRIDGE_STATUS_64BIT 0x00010000 +#define PCI_PCIX_BRIDGE_STATUS_133MHZ 0x00020000 +#define PCI_PCIX_BRIDGE_STATUS_SC_DISCARDED 0x00040000 /* Split Completion Discarded */ +#define PCI_PCIX_BRIDGE_STATUS_UNEXPECTED_SC 0x00080000 /* Unexpected Split Completion */ +#define PCI_PCIX_BRIDGE_STATUS_SC_OVERRUN 0x00100000 /* Split Completion Overrun */ +#define PCI_PCIX_BRIDGE_STATUS_SPLIT_REQUEST_DELAYED 0x00200000 +#define PCI_PCIX_BRIDGE_STATUS_RESERVED 0xffc00000 +#define PCI_PCIX_BRIDGE_UPSTREAM_SPLIT_TRANS_CTRL 8 /* Upstream Split Transaction Register offset */ +#define PCI_PCIX_BRIDGE_DOWNSTREAM_SPLIT_TRANS_CTRL 12 /* Downstream Split Transaction Register offset */ +#define PCI_PCIX_BRIDGE_STR_CAPACITY 0x0000ffff +#define PCI_PCIX_BRIDGE_STR_COMMITMENT_LIMIT 0xffff0000 +#define PCI_PCIX_BRIDGE_SIZEOF 12 + +/* + * The PCI interface treats multi-function devices as independent + * devices. The slot/function address of each device is encoded + * in a single byte as follows: + * + * 7:3 = slot + * 2:0 = function + */ +#define PCI_DEVFN(slot,func) ((((slot) & 0x1f) << 3) | ((func) & 0x07)) +#define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f) +#define PCI_FUNC(devfn) ((devfn) & 0x07) + +/* Device classes and subclasses */ + +#define PCI_CLASS_NOT_DEFINED 0x0000 +#define PCI_CLASS_NOT_DEFINED_VGA 0x0001 + +#define PCI_BASE_CLASS_STORAGE 0x01 +#define PCI_CLASS_STORAGE_SCSI 0x0100 +#define PCI_CLASS_STORAGE_IDE 0x0101 +#define PCI_CLASS_STORAGE_FLOPPY 0x0102 +#define PCI_CLASS_STORAGE_IPI 0x0103 +#define PCI_CLASS_STORAGE_RAID 0x0104 +#define PCI_CLASS_STORAGE_OTHER 0x0180 + +#define PCI_BASE_CLASS_NETWORK 0x02 +#define PCI_CLASS_NETWORK_ETHERNET 0x0200 +#define PCI_CLASS_NETWORK_TOKEN_RING 0x0201 +#define PCI_CLASS_NETWORK_FDDI 0x0202 +#define PCI_CLASS_NETWORK_ATM 0x0203 +#define PCI_CLASS_NETWORK_OTHER 0x0280 + +#define PCI_BASE_CLASS_DISPLAY 0x03 +#define PCI_CLASS_DISPLAY_VGA 0x0300 +#define PCI_CLASS_DISPLAY_XGA 0x0301 +#define PCI_CLASS_DISPLAY_OTHER 0x0380 + +#define PCI_BASE_CLASS_MULTIMEDIA 0x04 +#define PCI_CLASS_MULTIMEDIA_VIDEO 0x0400 +#define PCI_CLASS_MULTIMEDIA_AUDIO 0x0401 +#define PCI_CLASS_MULTIMEDIA_OTHER 0x0480 + +#define PCI_BASE_CLASS_MEMORY 0x05 +#define PCI_CLASS_MEMORY_RAM 0x0500 +#define PCI_CLASS_MEMORY_FLASH 0x0501 +#define PCI_CLASS_MEMORY_OTHER 0x0580 + +#define PCI_BASE_CLASS_BRIDGE 0x06 +#define PCI_CLASS_BRIDGE_HOST 0x0600 +#define PCI_CLASS_BRIDGE_ISA 0x0601 +#define PCI_CLASS_BRIDGE_EISA 0x0602 +#define PCI_CLASS_BRIDGE_MC 0x0603 +#define PCI_CLASS_BRIDGE_PCI 0x0604 +#define PCI_CLASS_BRIDGE_PCMCIA 0x0605 +#define PCI_CLASS_BRIDGE_NUBUS 0x0606 +#define PCI_CLASS_BRIDGE_CARDBUS 0x0607 +#define PCI_CLASS_BRIDGE_OTHER 0x0680 + +#define PCI_BASE_CLASS_COMMUNICATION 0x07 +#define PCI_CLASS_COMMUNICATION_SERIAL 0x0700 +#define PCI_CLASS_COMMUNICATION_PARALLEL 0x0701 +#define PCI_CLASS_COMMUNICATION_OTHER 0x0780 + +#define PCI_BASE_CLASS_SYSTEM 0x08 +#define PCI_CLASS_SYSTEM_PIC 0x0800 +#define PCI_CLASS_SYSTEM_DMA 0x0801 +#define PCI_CLASS_SYSTEM_TIMER 0x0802 +#define PCI_CLASS_SYSTEM_RTC 0x0803 +#define PCI_CLASS_SYSTEM_OTHER 0x0880 + +#define PCI_BASE_CLASS_INPUT 0x09 +#define PCI_CLASS_INPUT_KEYBOARD 0x0900 +#define PCI_CLASS_INPUT_PEN 0x0901 +#define PCI_CLASS_INPUT_MOUSE 0x0902 +#define PCI_CLASS_INPUT_OTHER 0x0980 + +#define PCI_BASE_CLASS_DOCKING 0x0a +#define PCI_CLASS_DOCKING_GENERIC 0x0a00 +#define PCI_CLASS_DOCKING_OTHER 0x0a01 + +#define PCI_BASE_CLASS_PROCESSOR 0x0b +#define PCI_CLASS_PROCESSOR_386 0x0b00 +#define PCI_CLASS_PROCESSOR_486 0x0b01 +#define PCI_CLASS_PROCESSOR_PENTIUM 0x0b02 +#define PCI_CLASS_PROCESSOR_ALPHA 0x0b10 +#define PCI_CLASS_PROCESSOR_POWERPC 0x0b20 +#define PCI_CLASS_PROCESSOR_CO 0x0b40 + +#define PCI_BASE_CLASS_SERIAL 0x0c +#define PCI_CLASS_SERIAL_FIREWIRE 0x0c00 +#define PCI_CLASS_SERIAL_ACCESS 0x0c01 +#define PCI_CLASS_SERIAL_SSA 0x0c02 +#define PCI_CLASS_SERIAL_USB 0x0c03 +#define PCI_CLASS_SERIAL_FIBER 0x0c04 + +#define PCI_CLASS_OTHERS 0xff + +/* Several ID's we need in the library */ + +#define PCI_VENDOR_ID_INTEL 0x8086 +#define PCI_VENDOR_ID_COMPAQ 0x0e11 +/* + * Types + */ + +typedef unsigned char byte; +typedef unsigned char u8; +typedef unsigned short word; +typedef unsigned short u16; +typedef unsigned long u32; + +typedef unsigned long pciaddr_t; + +/* + * PCI Access Structure + */ + +struct pci_methods; + +enum pci_access_type { + /* Known access methods, remember to update access.c as well */ + PCI_ACCESS_WINDOWS_HAL, /* Windows Hardware Abstraction Layer */ + PCI_ACCESS_I386_TYPE1, /* i386 ports, type 1 (params: none) */ + PCI_ACCESS_I386_TYPE2, /* i386 ports, type 2 (params: none) */ + PCI_ACCESS_MAX +}; + +struct pci_access { + /* Options you can change: */ + unsigned int method; /* Access method */ + char *method_params[PCI_ACCESS_MAX]; /* Parameters for the methods */ + int buscentric; /* Bus-centric view of the world */ + + /* Functions you can override: */ + void (*error)(char *msg, ...); /* Write error message and quit */ + void (*warning)(char *msg, ...); /* Write a warning message */ + void (*debug)(char *msg, ...); /* Write a debugging message */ + + struct pci_dev *devices; /* Devices found on this bus */ + + /* Fields used internally: */ + struct pci_methods *methods; +}; + +/* Initialize PCI access */ +struct pci_access *pci_alloc(void); +void pci_init(struct pci_access *); +void pci_cleanup(struct pci_access *); + +/* Scanning of devices */ +void pci_scan_bus(struct pci_access *acc); +struct pci_dev *pci_get_dev(struct pci_access *acc, word bus, byte dev, byte func); /* Raw access to specified device */ +void pci_free_dev(struct pci_dev *); + +/* + * Devices + */ + +struct pci_dev { + struct pci_dev *next; /* Next device in the chain */ + word bus; /* Higher byte can select host bridges */ + byte dev, func; /* Device and function */ + + /* These fields are set by pci_fill_info() */ + int known_fields; /* Set of info fields already known */ + word vendor_id, device_id; /* Identity of the device */ + int irq; /* IRQ number */ + pciaddr_t base_addr[6]; /* Base addresses */ + pciaddr_t size[6]; /* Region sizes */ + pciaddr_t rom_base_addr; /* Expansion ROM base address */ + pciaddr_t rom_size; /* Expansion ROM size */ + + /* Fields used internally: */ + struct pci_access *access; + struct pci_methods *methods; + int hdrtype; /* Direct methods: header type */ + void *aux; /* Auxillary data */ +}; + +#define PCI_ADDR_IO_MASK (~(pciaddr_t) 0x3) +#define PCI_ADDR_MEM_MASK (~(pciaddr_t) 0xf) + +byte pci_read_byte(struct pci_dev *, int pos); /* Access to configuration space */ +word pci_read_word(struct pci_dev *, int pos); +u32 pci_read_long(struct pci_dev *, int pos); +int pci_read_block(struct pci_dev *, int pos, byte *buf, int len); +int pci_write_byte(struct pci_dev *, int pos, byte data); +int pci_write_word(struct pci_dev *, int pos, word data); +int pci_write_long(struct pci_dev *, int pos, u32 data); +int pci_write_block(struct pci_dev *, int pos, byte *buf, int len); + +int pci_fill_info(struct pci_dev *, int flags); /* Fill in device information */ + +#define PCI_FILL_IDENT 1 +#define PCI_FILL_IRQ 2 +#define PCI_FILL_BASES 4 +#define PCI_FILL_ROM_BASE 8 +#define PCI_FILL_SIZES 16 +#define PCI_FILL_RESCAN 0x10000 + + +/* + * Filters + */ + +struct pci_filter { + int bus, slot, func; /* -1 = ANY */ + int vendor, device; +}; + +void pci_filter_init(struct pci_access *, struct pci_filter *); +char *pci_filter_parse_slot(struct pci_filter *, char *); +int pci_filter_match(struct pci_filter *, struct pci_dev *); + +#define PCI_LOOKUP_VENDOR 1 +#define PCI_LOOKUP_DEVICE 2 +#define PCI_LOOKUP_CLASS 4 +#define PCI_LOOKUP_SUBSYSTEM 8 +#define PCI_LOOKUP_PROGIF 16 +#define PCI_LOOKUP_NUMERIC 0x10000 + +#endif + + + +#endif //__DIRECT_IO_H__