diff options
Diffstat (limited to 'src/video_out/libdha/pci.c')
| -rw-r--r-- | src/video_out/libdha/pci.c | 834 |
1 files changed, 0 insertions, 834 deletions
diff --git a/src/video_out/libdha/pci.c b/src/video_out/libdha/pci.c deleted file mode 100644 index db8f4ddd5..000000000 --- a/src/video_out/libdha/pci.c +++ /dev/null @@ -1,834 +0,0 @@ -/* - (C) 2002 - library implementation by Nick Kyrshev - XFree86 3.3.3 scanpci.c, modified for GATOS/win/gfxdump by Øyvind Aabling. - */ -/* $XConsortium: scanpci.c /main/25 1996/10/27 11:48:40 kaleb $ */ -/* - * name: scanpci.c - * - * purpose: This program will scan for and print details of - * devices on the PCI bus. - - * author: Robin Cutshaw (robin@xfree86.org) - * - * supported O/S's: SVR4, UnixWare, SCO, Solaris, - * FreeBSD, NetBSD, 386BSD, BSDI BSD/386, - * Linux, Mach/386, ISC - * DOS (WATCOM 9.5 compiler) - * - * compiling: [g]cc scanpci.c -o scanpci - * for SVR4 (not Solaris), UnixWare use: - * [g]cc -DSVR4 scanpci.c -o scanpci - * for DOS, watcom 9.5: - * wcc386p -zq -omaxet -7 -4s -s -w3 -d2 name.c - * and link with PharLap or other dos extender for exe - * - */ - -/* $XFree86: xc/programs/Xserver/hw/xfree86/etc/scanpci.c,v 3.34.2.17 1998/11/10 11:55:40 dawes Exp $ */ - -/* - * Copyright 1995 by Robin Cutshaw <robin@XFree86.Org> - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the names of the above listed copyright holder(s) - * not be used in advertising or publicity pertaining to distribution of - * the software without specific, written prior permission. The above listed - * copyright holder(s) make(s) no representations about the suitability of this - * software for any purpose. It is provided "as is" without express or - * implied warranty. - * - * THE ABOVE LISTED COPYRIGHT HOLDER(S) DISCLAIM(S) ALL WARRANTIES WITH REGARD - * TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS, IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE - * LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY - * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER - * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING - * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - */ - -#include "libdha.h" -#include <errno.h> -#include <string.h> -#include <stdio.h> -#include <unistd.h> -#include <fcntl.h> -#include <sys/ioctl.h> -#include "kernelhelper/dhahelper.h" - -#ifdef __unix__ -#include <unistd.h> -#endif - -#if 0 -#if defined(__SUNPRO_C) || defined(sun) || defined(__sun) -#include <sys/psw.h> -#else -#include <sys/seg.h> -#endif -#include <sys/v86.h> -#endif - -#if defined(Lynx) && defined(__powerpc__) -/* let's mimick the Linux Alpha stuff for LynxOS so we don't have - * to change too much code - */ -#include <smem.h> - -static unsigned char *pciConfBase; - -static __inline__ unsigned long -static swapl(unsigned long val) -{ - unsigned char *p = (unsigned char *)&val; - return ((p[3] << 24) | (p[2] << 16) | (p[1] << 8) | (p[0] << 0)); -} - - -#define BUS(tag) (((tag)>>16)&0xff) -#define DFN(tag) (((tag)>>8)&0xff) - -#define PCIBIOS_DEVICE_NOT_FOUND 0x86 -#define PCIBIOS_SUCCESSFUL 0x00 - -int pciconfig_read( - unsigned char bus, - unsigned char dev, - unsigned char offset, - int len, /* unused, alway 4 */ - unsigned long *val) -{ - unsigned long _val; - unsigned long *ptr; - - dev >>= 3; - if (bus || dev >= 16) { - *val = 0xFFFFFFFF; - return PCIBIOS_DEVICE_NOT_FOUND; - } else { - ptr = (unsigned long *)(pciConfBase + ((1<<dev) | offset)); - _val = swapl(*ptr); - } - *val = _val; - return PCIBIOS_SUCCESSFUL; -} - -int pciconfig_write( - unsigned char bus, - unsigned char dev, - unsigned char offset, - int len, /* unused, alway 4 */ - unsigned long val) -{ - unsigned long _val; - unsigned long *ptr; - - dev >>= 3; - _val = swapl(val); - if (bus || dev >= 16) { - return PCIBIOS_DEVICE_NOT_FOUND; - } else { - ptr = (unsigned long *)(pciConfBase + ((1<<dev) | offset)); - *ptr = _val; - } - return PCIBIOS_SUCCESSFUL; -} -#endif - -#if !defined(__powerpc__) -struct pci_config_reg { - /* start of official PCI config space header */ - union { - unsigned long device_vendor; - struct { - unsigned short vendor; - unsigned short device; - } dv; - } dv_id; -#define _device_vendor dv_id.device_vendor -#define _vendor dv_id.dv.vendor -#define _device dv_id.dv.device - union { - unsigned long status_command; - struct { - unsigned short command; - unsigned short status; - } sc; - } stat_cmd; -#define _status_command stat_cmd.status_command -#define _command stat_cmd.sc.command -#define _status stat_cmd.sc.status - union { - unsigned long class_revision; - struct { - unsigned char rev_id; - unsigned char prog_if; - unsigned char sub_class; - unsigned char base_class; - } cr; - } class_rev; -#define _class_revision class_rev.class_revision -#define _rev_id class_rev.cr.rev_id -#define _prog_if class_rev.cr.prog_if -#define _sub_class class_rev.cr.sub_class -#define _base_class class_rev.cr.base_class - union { - unsigned long bist_header_latency_cache; - struct { - unsigned char cache_line_size; - unsigned char latency_timer; - unsigned char header_type; - unsigned char bist; - } bhlc; - } bhlc; -#define _bist_header_latency_cache bhlc.bist_header_latency_cache -#define _cache_line_size bhlc.bhlc.cache_line_size -#define _latency_timer bhlc.bhlc.latency_timer -#define _header_type bhlc.bhlc.header_type -#define _bist bhlc.bhlc.bist - union { - struct { - unsigned long dv_base0; - unsigned long dv_base1; - unsigned long dv_base2; - unsigned long dv_base3; - unsigned long dv_base4; - unsigned long dv_base5; - } dv; - struct { - unsigned long bg_rsrvd[2]; - unsigned char primary_bus_number; - unsigned char secondary_bus_number; - unsigned char subordinate_bus_number; - unsigned char secondary_latency_timer; - unsigned char io_base; - unsigned char io_limit; - unsigned short secondary_status; - unsigned short mem_base; - unsigned short mem_limit; - unsigned short prefetch_mem_base; - unsigned short prefetch_mem_limit; - } bg; - } bc; -#define _base0 bc.dv.dv_base0 -#define _base1 bc.dv.dv_base1 -#define _base2 bc.dv.dv_base2 -#define _base3 bc.dv.dv_base3 -#define _base4 bc.dv.dv_base4 -#define _base5 bc.dv.dv_base5 -#define _primary_bus_number bc.bg.primary_bus_number -#define _secondary_bus_number bc.bg.secondary_bus_number -#define _subordinate_bus_number bc.bg.subordinate_bus_number -#define _secondary_latency_timer bc.bg.secondary_latency_timer -#define _io_base bc.bg.io_base -#define _io_limit bc.bg.io_limit -#define _secondary_status bc.bg.secondary_status -#define _mem_base bc.bg.mem_base -#define _mem_limit bc.bg.mem_limit -#define _prefetch_mem_base bc.bg.prefetch_mem_base -#define _prefetch_mem_limit bc.bg.prefetch_mem_limit - unsigned long rsvd1; - unsigned long rsvd2; - unsigned long _baserom; - unsigned long rsvd3; - unsigned long rsvd4; - union { - unsigned long max_min_ipin_iline; - struct { - unsigned char int_line; - unsigned char int_pin; - unsigned char min_gnt; - unsigned char max_lat; - } mmii; - } mmii; -#define _max_min_ipin_iline mmii.max_min_ipin_iline -#define _int_line mmii.mmii.int_line -#define _int_pin mmii.mmii.int_pin -#define _min_gnt mmii.mmii.min_gnt -#define _max_lat mmii.mmii.max_lat - /* I don't know how accurate or standard this is (DHD) */ - union { - unsigned long user_config; - struct { - unsigned char user_config_0; - unsigned char user_config_1; - unsigned char user_config_2; - unsigned char user_config_3; - } uc; - } uc; -#define _user_config uc.user_config -#define _user_config_0 uc.uc.user_config_0 -#define _user_config_1 uc.uc.user_config_1 -#define _user_config_2 uc.uc.user_config_2 -#define _user_config_3 uc.uc.user_config_3 - /* end of official PCI config space header */ - unsigned long _pcibusidx; - unsigned long _pcinumbus; - unsigned long _pcibuses[16]; - unsigned short _configtype; /* config type found */ - unsigned short _ioaddr; /* config type 1 - private I/O addr */ - unsigned long _cardnum; /* config type 2 - private card number */ -}; -#else -/* ppc is big endian, swapping bytes is not quite enough - * to interpret the PCI config registers... - */ -struct pci_config_reg { - /* start of official PCI config space header */ - union { - unsigned long device_vendor; - struct { - unsigned short device; - unsigned short vendor; - } dv; - } dv_id; -#define _device_vendor dv_id.device_vendor -#define _vendor dv_id.dv.vendor -#define _device dv_id.dv.device - union { - unsigned long status_command; - struct { - unsigned short status; - unsigned short command; - } sc; - } stat_cmd; -#define _status_command stat_cmd.status_command -#define _command stat_cmd.sc.command -#define _status stat_cmd.sc.status - union { - unsigned long class_revision; - struct { - unsigned char base_class; - unsigned char sub_class; - unsigned char prog_if; - unsigned char rev_id; - } cr; - } class_rev; -#define _class_revision class_rev.class_revision -#define _rev_id class_rev.cr.rev_id -#define _prog_if class_rev.cr.prog_if -#define _sub_class class_rev.cr.sub_class -#define _base_class class_rev.cr.base_class - union { - unsigned long bist_header_latency_cache; - struct { - unsigned char bist; - unsigned char header_type; - unsigned char latency_timer; - unsigned char cache_line_size; - } bhlc; - } bhlc; -#define _bist_header_latency_cache bhlc.bist_header_latency_cache -#define _cache_line_size bhlc.bhlc.cache_line_size -#define _latency_timer bhlc.bhlc.latency_timer -#define _header_type bhlc.bhlc.header_type -#define _bist bhlc.bhlc.bist - union { - struct { - unsigned long dv_base0; - unsigned long dv_base1; - unsigned long dv_base2; - unsigned long dv_base3; - unsigned long dv_base4; - unsigned long dv_base5; - } dv; -/* ?? */ - struct { - unsigned long bg_rsrvd[2]; - - unsigned char secondary_latency_timer; - unsigned char subordinate_bus_number; - unsigned char secondary_bus_number; - unsigned char primary_bus_number; - - unsigned short secondary_status; - unsigned char io_limit; - unsigned char io_base; - - unsigned short mem_limit; - unsigned short mem_base; - - unsigned short prefetch_mem_limit; - unsigned short prefetch_mem_base; - } bg; - } bc; -#define _base0 bc.dv.dv_base0 -#define _base1 bc.dv.dv_base1 -#define _base2 bc.dv.dv_base2 -#define _base3 bc.dv.dv_base3 -#define _base4 bc.dv.dv_base4 -#define _base5 bc.dv.dv_base5 -#define _primary_bus_number bc.bg.primary_bus_number -#define _secondary_bus_number bc.bg.secondary_bus_number -#define _subordinate_bus_number bc.bg.subordinate_bus_number -#define _secondary_latency_timer bc.bg.secondary_latency_timer -#define _io_base bc.bg.io_base -#define _io_limit bc.bg.io_limit -#define _secondary_status bc.bg.secondary_status -#define _mem_base bc.bg.mem_base -#define _mem_limit bc.bg.mem_limit -#define _prefetch_mem_base bc.bg.prefetch_mem_base -#define _prefetch_mem_limit bc.bg.prefetch_mem_limit - unsigned long rsvd1; - unsigned long rsvd2; - unsigned long _baserom; - unsigned long rsvd3; - unsigned long rsvd4; - union { - unsigned long max_min_ipin_iline; - struct { - unsigned char max_lat; - unsigned char min_gnt; - unsigned char int_pin; - unsigned char int_line; - } mmii; - } mmii; -#define _max_min_ipin_iline mmii.max_min_ipin_iline -#define _int_line mmii.mmii.int_line -#define _int_pin mmii.mmii.int_pin -#define _min_gnt mmii.mmii.min_gnt -#define _max_lat mmii.mmii.max_lat - /* I don't know how accurate or standard this is (DHD) */ - union { - unsigned long user_config; - struct { - unsigned char user_config_3; - unsigned char user_config_2; - unsigned char user_config_1; - unsigned char user_config_0; - } uc; - } uc; -#define _user_config uc.user_config -#define _user_config_0 uc.uc.user_config_0 -#define _user_config_1 uc.uc.user_config_1 -#define _user_config_2 uc.uc.user_config_2 -#define _user_config_3 uc.uc.user_config_3 - /* end of official PCI config space header */ - unsigned long _pcibusidx; - unsigned long _pcinumbus; - unsigned long _pcibuses[16]; - unsigned short _ioaddr; /* config type 1 - private I/O addr */ - unsigned short _configtype; /* config type found */ - unsigned long _cardnum; /* config type 2 - private card number */ -}; -#endif - -#define MAX_DEV_PER_VENDOR_CFG1 64 -#define MAX_PCI_DEVICES_PER_BUS 32 -#define MAX_PCI_DEVICES 64 -#define NF ((void (*)())NULL), { 0.0, 0, 0, NULL } -#define PCI_MULTIFUNC_DEV 0x80 -#define PCI_ID_REG 0x00 -#define PCI_CMD_STAT_REG 0x04 -#define PCI_CLASS_REG 0x08 -#define PCI_HEADER_MISC 0x0C -#define PCI_MAP_REG_START 0x10 -#define PCI_MAP_ROM_REG 0x30 -#define PCI_INTERRUPT_REG 0x3C -#define PCI_INTERRUPT_PIN 0x3D /* 8 bits */ -#define PCI_MIN_GNT 0x3E /* 8 bits */ -#define PCI_MAX_LAT 0x3F /* 8 bits */ -#define PCI_REG_USERCONFIG 0x40 - -static int pcibus=-1, pcicard=-1, pcifunc=-1 ; -/*static struct pci_device *pcidev=NULL ;*/ - -#if defined(__alpha__) -#define PCI_EN 0x00000000 -#else -#define PCI_EN 0x80000000 -#endif - -#define PCI_MODE1_ADDRESS_REG 0xCF8 -#define PCI_MODE1_DATA_REG 0xCFC - -#define PCI_MODE2_ENABLE_REG 0xCF8 -#ifdef PC98 -#define PCI_MODE2_FORWARD_REG 0xCF9 -#else -#define PCI_MODE2_FORWARD_REG 0xCFA -#endif - -/* cpu depended stuff */ -#if defined(__alpha__) -#include "sysdep/pci_alpha.c" -#elif defined(__ia64__) -#include "sysdep/pci_ia64.c" -#elif defined(__sparc__) -#include "sysdep/pci_sparc.c" -#elif defined( __arm32__ ) -#include "sysdep/pci_arm32.c" -#elif defined(__powerpc__) -#include "sysdep/pci_powerpc.c" -#elif defined( __i386__ ) -#include "sysdep/pci_x86.c" -#else -#include "sysdep/pci_generic_cpu.c" -#endif - -static int pcicards=0 ; -static pciinfo_t *pci_lst; - -static void identify_card(struct pci_config_reg *pcr) -{ - - if (pcicards>=MAX_PCI_DEVICES) return ; - - pci_lst[pcicards].bus = pcibus ; - pci_lst[pcicards].card = pcicard ; - pci_lst[pcicards].func = pcifunc ; - pci_lst[pcicards].vendor = pcr->_vendor ; - pci_lst[pcicards].device = pcr->_device ; - pci_lst[pcicards].base0 = 0xFFFFFFFF ; - pci_lst[pcicards].base1 = 0xFFFFFFFF ; - pci_lst[pcicards].base2 = 0xFFFFFFFF ; - pci_lst[pcicards].base3 = 0xFFFFFFFF ; - pci_lst[pcicards].base4 = 0xFFFFFFFF ; - pci_lst[pcicards].base5 = 0xFFFFFFFF ; - pci_lst[pcicards].baserom = 0x000C0000 ; - if (pcr->_base0) pci_lst[pcicards].base0 = pcr->_base0 & - ((pcr->_base0&0x1) ? 0xFFFFFFFC : 0xFFFFFFF0) ; - if (pcr->_base1) pci_lst[pcicards].base1 = pcr->_base1 & - ((pcr->_base1&0x1) ? 0xFFFFFFFC : 0xFFFFFFF0) ; - if (pcr->_base2) pci_lst[pcicards].base2 = pcr->_base2 & - ((pcr->_base2&0x1) ? 0xFFFFFFFC : 0xFFFFFFF0) ; - if (pcr->_base3) pci_lst[pcicards].base3 = pcr->_base3 & - ((pcr->_base0&0x1) ? 0xFFFFFFFC : 0xFFFFFFF0) ; - if (pcr->_base4) pci_lst[pcicards].base4 = pcr->_base4 & - ((pcr->_base1&0x1) ? 0xFFFFFFFC : 0xFFFFFFF0) ; - if (pcr->_base5) pci_lst[pcicards].base5 = pcr->_base5 & - ((pcr->_base2&0x1) ? 0xFFFFFFFC : 0xFFFFFFF0) ; - if (pcr->_baserom) pci_lst[pcicards].baserom = pcr->_baserom ; - pci_lst[pcicards].irq = pcr->_int_line; - pci_lst[pcicards].ipin= pcr->_int_pin; - pci_lst[pcicards].gnt = pcr->_min_gnt; - pci_lst[pcicards].lat = pcr->_max_lat; - - pcicards++; -} - -/*main(int argc, char *argv[])*/ -static int __pci_scan(pciinfo_t *pci_list,unsigned *num_pci) -{ - unsigned int idx; - struct pci_config_reg pcr; - int do_mode1_scan = 0, do_mode2_scan = 0; - int func, hostbridges=0; - int ret = -1; - - pci_lst = pci_list; - pcicards = 0; - - ret = enable_app_io(); - if (ret != 0) - return(ret); - - if((pcr._configtype = pci_config_type()) == 0xFFFF) return ENODEV; - - /* Try pci config 1 probe first */ - - if ((pcr._configtype == 1) || do_mode1_scan) { - /*printf("\nPCI probing configuration type 1\n");*/ - - pcr._ioaddr = 0xFFFF; - - pcr._pcibuses[0] = 0; - pcr._pcinumbus = 1; - pcr._pcibusidx = 0; - idx = 0; - - do { - /*printf("Probing for devices on PCI bus %d:\n\n", pcr._pcibusidx);*/ - - for (pcr._cardnum = 0x0; pcr._cardnum < MAX_PCI_DEVICES_PER_BUS; - pcr._cardnum += 0x1) { - func = 0; - do { /* loop over the different functions, if present */ - pcr._device_vendor = pci_get_vendor(pcr._pcibuses[pcr._pcibusidx], pcr._cardnum, - func); - if ((pcr._vendor == 0xFFFF) || (pcr._device == 0xFFFF)) - break; /* nothing there */ - - /*printf("\npci bus 0x%x cardnum 0x%02x function 0x%04x: vendor 0x%04x device 0x%04x\n", - pcr._pcibuses[pcr._pcibusidx], pcr._cardnum, func, - pcr._vendor, pcr._device);*/ - pcibus = pcr._pcibuses[pcr._pcibusidx]; - pcicard = pcr._cardnum; - pcifunc = func; - - pcr._status_command = pci_config_read_long(pcr._pcibuses[pcr._pcibusidx], - pcr._cardnum,func,PCI_CMD_STAT_REG); - pcr._class_revision = pci_config_read_long(pcr._pcibuses[pcr._pcibusidx], - pcr._cardnum,func,PCI_CLASS_REG); - pcr._bist_header_latency_cache = pci_config_read_long(pcr._pcibuses[pcr._pcibusidx], - pcr._cardnum,func,PCI_HEADER_MISC); - pcr._base0 = pci_config_read_long(pcr._pcibuses[pcr._pcibusidx], - pcr._cardnum,func,PCI_MAP_REG_START); - pcr._base1 = pci_config_read_long(pcr._pcibuses[pcr._pcibusidx], - pcr._cardnum,func,PCI_MAP_REG_START+4); - pcr._base2 = pci_config_read_long(pcr._pcibuses[pcr._pcibusidx], - pcr._cardnum,func,PCI_MAP_REG_START+8); - pcr._base3 = pci_config_read_long(pcr._pcibuses[pcr._pcibusidx], - pcr._cardnum,func,PCI_MAP_REG_START+0x0C); - pcr._base4 = pci_config_read_long(pcr._pcibuses[pcr._pcibusidx], - pcr._cardnum,func,PCI_MAP_REG_START+0x10); - pcr._base5 = pci_config_read_long(pcr._pcibuses[pcr._pcibusidx], - pcr._cardnum,func,PCI_MAP_REG_START+0x14); - pcr._baserom = pci_config_read_long(pcr._pcibuses[pcr._pcibusidx], - pcr._cardnum,func,PCI_MAP_ROM_REG); -#if 0 - pcr._int_pin = pci_config_read_byte(pcr._pcibuses[pcr._pcibusidx], - pcr._cardnum,func,PCI_INTERRUPT_PIN); - pcr._int_line = pci_config_read_byte(pcr._pcibuses[pcr._pcibusidx], - pcr._cardnum,func,PCI_INTERRUPT_REG); - pcr._min_gnt = pci_config_read_byte(pcr._pcibuses[pcr._pcibusidx], - pcr._cardnum,func,PCI_MIN_GNT); - pcr._max_lat = pci_config_read_byte(pcr._pcibuses[pcr._pcibusidx], - pcr._cardnum,func,PCI_MAX_LAT); -#else - pcr._max_min_ipin_iline = pci_config_read_long(pcr._pcibuses[pcr._pcibusidx], - pcr._cardnum,func,PCI_INTERRUPT_REG); -#endif - pcr._user_config = pci_config_read_long(pcr._pcibuses[pcr._pcibusidx], - pcr._cardnum,func,PCI_REG_USERCONFIG); - /* check for pci-pci bridges */ -#define PCI_CLASS_MASK 0xff000000 -#define PCI_SUBCLASS_MASK 0x00ff0000 -#define PCI_CLASS_BRIDGE 0x06000000 -#define PCI_SUBCLASS_BRIDGE_PCI 0x00040000 - switch(pcr._class_revision & (PCI_CLASS_MASK|PCI_SUBCLASS_MASK)) { - case PCI_CLASS_BRIDGE|PCI_SUBCLASS_BRIDGE_PCI: - if (pcr._secondary_bus_number > 0) { - pcr._pcibuses[pcr._pcinumbus++] = pcr._secondary_bus_number; - } - break; - case PCI_CLASS_BRIDGE: - if ( ++hostbridges > 1) { - pcr._pcibuses[pcr._pcinumbus] = pcr._pcinumbus; - pcr._pcinumbus++; - } - break; - default: - break; - } - if((func==0) && ((pcr._header_type & PCI_MULTIFUNC_DEV) == 0)) { - /* not a multi function device */ - func = 8; - } else { - func++; - } - - if (idx++ >= MAX_PCI_DEVICES) - continue; - - identify_card(&pcr); - } while( func < 8 ); - } - } while (++pcr._pcibusidx < pcr._pcinumbus); - } - -#if !defined(__alpha__) && !defined(__powerpc__) - /* Now try pci config 2 probe (deprecated) */ - - if ((pcr._configtype == 2) || do_mode2_scan) { - OUTPORT8(PCI_MODE2_ENABLE_REG, 0xF1); - OUTPORT8(PCI_MODE2_FORWARD_REG, 0x00); /* bus 0 for now */ - - /*printf("\nPCI probing configuration type 2\n");*/ - - pcr._pcibuses[0] = 0; - pcr._pcinumbus = 1; - pcr._pcibusidx = 0; - idx = 0; - - do { - for (pcr._ioaddr = 0xC000; pcr._ioaddr < 0xD000; pcr._ioaddr += 0x0100){ - OUTPORT8(PCI_MODE2_FORWARD_REG, pcr._pcibuses[pcr._pcibusidx]); /* bus 0 for now */ - pcr._device_vendor = INPORT32(pcr._ioaddr); - OUTPORT8(PCI_MODE2_FORWARD_REG, 0x00); /* bus 0 for now */ - - if ((pcr._vendor == 0xFFFF) || (pcr._device == 0xFFFF)) - continue; - if ((pcr._vendor == 0xF0F0) || (pcr._device == 0xF0F0)) - continue; /* catch ASUS P55TP4XE motherboards */ - - /*printf("\npci bus 0x%x slot at 0x%04x, vendor 0x%04x device 0x%04x\n", - pcr._pcibuses[pcr._pcibusidx], pcr._ioaddr, pcr._vendor, - pcr._device);*/ - pcibus = pcr._pcibuses[pcr._pcibusidx] ; - pcicard = pcr._ioaddr ; pcifunc = 0 ; - - OUTPORT8(PCI_MODE2_FORWARD_REG, pcr._pcibuses[pcr._pcibusidx]); /* bus 0 for now */ - pcr._status_command = INPORT32(pcr._ioaddr + 0x04); - pcr._class_revision = INPORT32(pcr._ioaddr + 0x08); - pcr._bist_header_latency_cache = INPORT32(pcr._ioaddr + 0x0C); - pcr._base0 = INPORT32(pcr._ioaddr + 0x10); - pcr._base1 = INPORT32(pcr._ioaddr + 0x14); - pcr._base2 = INPORT32(pcr._ioaddr + 0x18); - pcr._base3 = INPORT32(pcr._ioaddr + 0x1C); - pcr._base4 = INPORT32(pcr._ioaddr + 0x20); - pcr._base5 = INPORT32(pcr._ioaddr + 0x24); - pcr._baserom = INPORT32(pcr._ioaddr + 0x30); - pcr._max_min_ipin_iline = INPORT8(pcr._ioaddr + 0x3C); - pcr._user_config = INPORT32(pcr._ioaddr + 0x40); - OUTPORT8(PCI_MODE2_FORWARD_REG, 0x00); /* bus 0 for now */ - - /* check for pci-pci bridges (currently we only know Digital) */ - if ((pcr._vendor == 0x1011) && (pcr._device == 0x0001)) - if (pcr._secondary_bus_number > 0) - pcr._pcibuses[pcr._pcinumbus++] = pcr._secondary_bus_number; - - if (idx++ >= MAX_PCI_DEVICES) - continue; - - identify_card(&pcr); - } - } while (++pcr._pcibusidx < pcr._pcinumbus); - - OUTPORT8(PCI_MODE2_ENABLE_REG, 0x00); - } - -#endif /* __alpha__ */ - - disable_app_io(); - *num_pci = pcicards; - - return 0 ; - -} - -#if !defined(ENOTSUP) -#if defined(EOPNOTSUPP) -#define ENOTSUP EOPNOTSUPP -#else -#warning "ENOTSUP nor EOPNOTSUPP defined!" -#endif -#endif - -int pci_scan(pciinfo_t *pci_list,unsigned *num_pci) -{ - int libdha_fd; - if ( (libdha_fd = open("/dev/dhahelper",O_RDWR)) < 0) - { - return __pci_scan(pci_list,num_pci); - } - else - { - dhahelper_pci_device_t pci_dev; - unsigned idx; - idx = 0; - while(ioctl(libdha_fd, DHAHELPER_PCI_FIND, &pci_dev)==0) - { - pci_list[idx].bus = pci_dev.bus; - pci_list[idx].card = pci_dev.card; - pci_list[idx].func = pci_dev.func; - pci_list[idx].vendor = pci_dev.vendor; - pci_list[idx].device = pci_dev.device; - pci_list[idx].base0 = pci_dev.base0?pci_dev.base0:0xFFFFFFFF; - pci_list[idx].base1 = pci_dev.base1?pci_dev.base1:0xFFFFFFFF; - pci_list[idx].base2 = pci_dev.base2?pci_dev.base2:0xFFFFFFFF; - pci_list[idx].baserom = pci_dev.baserom?pci_dev.baserom:0x000C0000; - pci_list[idx].base3 = pci_dev.base3?pci_dev.base3:0xFFFFFFFF; - pci_list[idx].base4 = pci_dev.base4?pci_dev.base4:0xFFFFFFFF; - pci_list[idx].base5 = pci_dev.base5?pci_dev.base5:0xFFFFFFFF; - pci_list[idx].irq = pci_dev.irq; - pci_list[idx].ipin = pci_dev.ipin; - pci_list[idx].gnt = pci_dev.gnt; - pci_list[idx].lat = pci_dev.lat; - idx++; - } - *num_pci=idx; - close(libdha_fd); - } - return 0; -} - -int pci_config_read(unsigned char bus, unsigned char dev, unsigned char func, - unsigned char cmd, int len, unsigned long *val) -{ - int ret; - int dhahelper_fd; - if ( (dhahelper_fd = open("/dev/dhahelper",O_RDWR)) > 0) - { - int retval; - dhahelper_pci_config_t pcic; - pcic.operation = PCI_OP_READ; - pcic.bus = bus; - pcic.dev = dev; - pcic.func = func; - pcic.cmd = cmd; - pcic.size = len; - retval = ioctl(dhahelper_fd, DHAHELPER_PCI_CONFIG, &pcic); - close(dhahelper_fd); - *val = pcic.ret; - return retval; - } - ret = enable_app_io(); - if (ret != 0) - return(ret); - switch(len) - { - case 4: - ret = pci_config_read_long(bus, dev, func, cmd); - break; - case 2: - ret = pci_config_read_word(bus, dev, func, cmd); - break; - case 1: - ret = pci_config_read_byte(bus, dev, func, cmd); - break; - default: - printf("libdha_pci: wrong length to read: %u\n",len); - } - disable_app_io(); - - *val = ret; - return(0); -} - -int pci_config_write(unsigned char bus, unsigned char dev, unsigned char func, - unsigned char cmd, int len, unsigned long val) -{ - int ret; - - int dhahelper_fd; - if ( (dhahelper_fd = open("/dev/dhahelper",O_RDWR)) > 0) - { - int retval; - dhahelper_pci_config_t pcic; - pcic.operation = PCI_OP_WRITE; - pcic.bus = bus; - pcic.dev = dev; - pcic.func = func; - pcic.cmd = cmd; - pcic.size = len; - pcic.ret = val; - retval = ioctl(dhahelper_fd, DHAHELPER_PCI_CONFIG, &pcic); - close(dhahelper_fd); - return retval; - } - ret = enable_app_io(); - if (ret != 0) - return ret; - switch(len) - { - case 4: - pci_config_write_long(bus, dev, func, cmd, val); - break; - case 2: - pci_config_write_word(bus, dev, func, cmd, val); - break; - case 1: - pci_config_write_byte(bus, dev, func, cmd, val); - break; - default: - printf("libdha_pci: wrong length to read: %u\n",len); - } - disable_app_io(); - - return 0; -} |