diff options
Diffstat (limited to 'vidix/pci.c')
| -rw-r--r-- | vidix/pci.c | 112 |
1 files changed, 56 insertions, 56 deletions
diff --git a/vidix/pci.c b/vidix/pci.c index 64d2a6c8b3..92eda06016 100644 --- a/vidix/pci.c +++ b/vidix/pci.c @@ -8,7 +8,7 @@ * * 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, @@ -24,9 +24,9 @@ * 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> * @@ -50,7 +50,7 @@ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * */ - + #include "dha.h" #include <errno.h> #include <string.h> @@ -100,23 +100,23 @@ * 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, @@ -126,7 +126,7 @@ int pciconfig_read( { unsigned long _val; unsigned long *ptr; - + dev >>= 3; if (bus || dev >= 16) { *val = 0xFFFFFFFF; @@ -138,7 +138,7 @@ int pciconfig_read( *val = _val; return PCIBIOS_SUCCESSFUL; } - + int pciconfig_write( unsigned char bus, unsigned char dev, @@ -148,7 +148,7 @@ int pciconfig_write( { unsigned long _val; unsigned long *ptr; - + dev >>= 3; _val = swapl(val); if (bus || dev >= 16) { @@ -160,7 +160,7 @@ int pciconfig_write( return PCIBIOS_SUCCESSFUL; } #endif /* defined(Lynx) && defined(__powerpc__) */ - + #if !defined(__powerpc__) struct pci_config_reg { /* start of official PCI config space header */ @@ -361,19 +361,19 @@ struct pci_config_reg { /* ?? */ 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; @@ -449,19 +449,19 @@ struct pci_config_reg { #define PCI_MAP_ROM_REG 0x30 #define PCI_INTERRUPT_REG 0x3C #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 @@ -487,14 +487,14 @@ static int pcibus=-1, pcicard=-1, pcifunc=-1 ; #include "sysdep/pci_x86.c" #endif #endif /*CONFIG_SVGAHELPER */ - + static pciinfo_t *pci_lst; - + static void identify_card(struct pci_config_reg *pcr, int idx) { - /* local overflow test */ + /* local overflow test */ if (idx>=MAX_PCI_DEVICES) return ; - + pci_lst[idx].bus = pcibus ; pci_lst[idx].card = pcicard ; pci_lst[idx].func = pcifunc ; @@ -525,30 +525,30 @@ int pci_scan(pciinfo_t *pci_list,unsigned *num_pci) #endif int func, hostbridges=0; int ret = -1; - + pci_lst = pci_list; *num_pci = 0; - + ret = enable_os_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; - + 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; @@ -557,14 +557,14 @@ int pci_scan(pciinfo_t *pci_list,unsigned *num_pci) 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], @@ -615,10 +615,10 @@ int pci_scan(pciinfo_t *pci_list,unsigned *num_pci) } else { func++; } - + if (idx++ >= MAX_PCI_DEVICES) continue; - + identify_card(&pcr, (*num_pci)++); } while( func < 8 ); } @@ -627,35 +627,35 @@ int pci_scan(pciinfo_t *pci_list,unsigned *num_pci) #if !defined(__alpha__) && !defined(__powerpc__) && !defined(__sh__) /* Now try pci config 2 probe (deprecated) */ - + if ((pcr._configtype == 2) || do_mode2_scan) { outb(PCI_MODE2_ENABLE_REG, 0xF1); outb(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){ outb(PCI_MODE2_FORWARD_REG, pcr._pcibuses[pcr._pcibusidx]); /* bus 0 for now */ pcr._device_vendor = inl(pcr._ioaddr); outb(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 ; - + outb(PCI_MODE2_FORWARD_REG, pcr._pcibuses[pcr._pcibusidx]); /* bus 0 for now */ pcr._status_command = inl(pcr._ioaddr + 0x04); pcr._class_revision = inl(pcr._ioaddr + 0x08); @@ -670,28 +670,28 @@ int pci_scan(pciinfo_t *pci_list,unsigned *num_pci) pcr._max_min_ipin_iline = inl(pcr._ioaddr + 0x3C); pcr._user_config = inl(pcr._ioaddr + 0x40); outb(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, (*num_pci)++); } } while (++pcr._pcibusidx < pcr._pcinumbus); - + outb(PCI_MODE2_ENABLE_REG, 0x00); } - + #endif /* !__alpha__ && !__powerpc__ && !__sh__ */ - + disable_os_io(); - + return 0 ; - + } #if !defined(ENOTSUP) @@ -706,13 +706,13 @@ int pci_config_read(unsigned char bus, unsigned char dev, unsigned char func, unsigned char cmd, int len, unsigned long *val) { int ret; - + if (len != 4) { fprintf(stderr,"pci_config_read: Reading non-dword not supported!\n"); return ENOTSUP; } - + ret = enable_os_io(); if (ret != 0) return ret; @@ -725,7 +725,7 @@ int pci_config_read(unsigned char bus, unsigned char dev, unsigned char func, int enable_app_io( void ) { - return enable_os_io(); + return enable_os_io(); } int disable_app_io( void ) |