]> git.zerfleddert.de Git - usb-driver/blobdiff - usb-driver.c
add xpcu_close
[usb-driver] / usb-driver.c
index 209e1559cc1effd9c11cd2987c9eb294e2ab024a..566b10b0d8e056c49675198f0a0f0adac1f7bedb 100644 (file)
 #include <errno.h>
 #include <inttypes.h>
 #include <sys/ioctl.h>
-#include <linux/parport.h>
-#include <linux/ppdev.h>
+#include <sys/utsname.h>
+#include <bits/wordsize.h>
 #include "usb-driver.h"
+#include "config.h"
+#include "xpcu.h"
 
 static int (*ioctl_func) (int, int, void *) = NULL;
 static int windrvrfd = -1;
-static int parportfd = -1;
-static int parportnum = 0;
 static unsigned long ppbase = 0;
 static unsigned long ecpbase = 0;
-FILE *modulesfp = NULL;
+static struct parport_config *pport = NULL;
+static struct xpcu_s *xpcu = NULL;
+static FILE *modulesfp = NULL;
+static FILE *baseaddrfp = NULL;
+static int baseaddrnum = 0;
 static int modules_read = 0;
-static struct usb_bus *busses = NULL;
-static struct usb_device *usbdevice;
-static usb_dev_handle *usb_devhandle = NULL;
-static int usbinterface = -1;
 static unsigned long card_type;
 static int ints_enabled = 0;
 static pthread_mutex_t int_wait = PTHREAD_MUTEX_INITIALIZER;
 
 #define NO_WINDRVR 1
 
-#ifdef DEBUG
-#define DPRINTF(format, args...) fprintf(stderr, format, ##args)
 void hexdump(unsigned char *buf, int len) {
        int i;
 
@@ -73,266 +71,9 @@ void hexdump(unsigned char *buf, int len) {
        }
        fprintf(stderr,"\n");
 }
-#else
-#define DPRINTF(format, args...)
-#endif
-
-int usb_deviceinfo(unsigned char *buf) {
-       int i,j,k,l;
-       int len = 0;
-       WDU_CONFIGURATION **pConfigs, **pActiveConfig;
-       WDU_INTERFACE **pActiveInterface;
-
-       if (buf) {
-               struct usb_device_info *udi = (struct usb_device_info*)(buf+len);
-
-               udi->Descriptor.bLength = sizeof(WDU_DEVICE_DESCRIPTOR);
-               udi->Descriptor.bDescriptorType = usbdevice->descriptor.bDescriptorType;
-               udi->Descriptor.bcdUSB = usbdevice->descriptor.bcdUSB;
-               udi->Descriptor.bDeviceClass = usbdevice->descriptor.bDeviceClass;
-               udi->Descriptor.bDeviceSubClass = usbdevice->descriptor.bDeviceSubClass;
-               udi->Descriptor.bDeviceProtocol = usbdevice->descriptor.bDeviceProtocol;
-               udi->Descriptor.bMaxPacketSize0 = usbdevice->descriptor.bMaxPacketSize0;
-               udi->Descriptor.idVendor = usbdevice->descriptor.idVendor;
-               udi->Descriptor.idProduct = usbdevice->descriptor.idProduct;
-               udi->Descriptor.bcdDevice = usbdevice->descriptor.bcdDevice;
-               udi->Descriptor.iManufacturer = usbdevice->descriptor.iManufacturer;
-               udi->Descriptor.iProduct = usbdevice->descriptor.iProduct;
-               udi->Descriptor.iSerialNumber = usbdevice->descriptor.iSerialNumber;
-               udi->Descriptor.bNumConfigurations = usbdevice->descriptor.bNumConfigurations;
-
-               /* TODO: Fix Pipe0! */
-               udi->Pipe0.dwNumber = 0x00;
-               udi->Pipe0.dwMaximumPacketSize = usbdevice->descriptor.bMaxPacketSize0;
-               udi->Pipe0.type = 0;
-               udi->Pipe0.direction = WDU_DIR_IN_OUT;
-               udi->Pipe0.dwInterval = 0;
-
-               pConfigs = &(udi->pConfigs);
-               pActiveConfig = &(udi->pActiveConfig);
-               pActiveInterface = &(udi->pActiveInterface[0]);
-       }
-
-       len = sizeof(struct usb_device_info);
-
-       for (i=0; i<usbdevice->descriptor.bNumConfigurations; i++)
-       {
-               struct usb_config_descriptor *conf_desc = &usbdevice->config[i];
-               WDU_INTERFACE **pInterfaces;
-               WDU_ALTERNATE_SETTING **pAlternateSettings[conf_desc->bNumInterfaces];
-               WDU_ALTERNATE_SETTING **pActiveAltSetting[conf_desc->bNumInterfaces];
-
-               if (buf) {
-                       WDU_CONFIGURATION *cfg = (WDU_CONFIGURATION*)(buf+len);
-
-                       *pConfigs = cfg;
-                       *pActiveConfig = cfg;
 
-                       cfg->Descriptor.bLength = conf_desc->bLength;
-                       cfg->Descriptor.bDescriptorType = conf_desc->bDescriptorType;
-                       cfg->Descriptor.wTotalLength = conf_desc->wTotalLength;
-                       cfg->Descriptor.bNumInterfaces = conf_desc->bNumInterfaces;
-                       cfg->Descriptor.bConfigurationValue = conf_desc->bConfigurationValue;
-                       cfg->Descriptor.iConfiguration = conf_desc->iConfiguration;
-                       cfg->Descriptor.bmAttributes = conf_desc->bmAttributes;
-                       cfg->Descriptor.MaxPower = conf_desc->MaxPower;
-
-                       cfg->dwNumInterfaces = conf_desc->bNumInterfaces;
-
-                       pInterfaces = &(cfg->pInterfaces);
-               }
-               len += sizeof(WDU_CONFIGURATION);
-
-               if (buf) {
-                       *pInterfaces = (WDU_INTERFACE*)(buf+len);
-                       for (j=0; j<conf_desc->bNumInterfaces; j++) {
-                               WDU_INTERFACE *iface = (WDU_INTERFACE*)(buf+len);
-
-                               pActiveInterface[j] = iface;
-
-                               pAlternateSettings[j] = &(iface->pAlternateSettings);
-                               iface->dwNumAltSettings = usbdevice->config[i].interface[j].num_altsetting;
-                               pActiveAltSetting[j] = &(iface->pActiveAltSetting);
-
-                               len += sizeof(WDU_INTERFACE);
-                       }
-               } else {
-                       len += sizeof(WDU_INTERFACE) * conf_desc->bNumInterfaces;
-               }
 
-               for (j=0; j<conf_desc->bNumInterfaces; j++)
-               {
-                       struct usb_interface *interface = &usbdevice->config[i].interface[j];
-
-                       if (buf) {
-                               *pAlternateSettings[j] = (WDU_ALTERNATE_SETTING*)(buf+len);
-                               /* FIXME: */
-                               *pActiveAltSetting[j] = (WDU_ALTERNATE_SETTING*)(buf+len);
-                       }
-
-                       for(k=0; k<interface->num_altsetting; k++)
-                       {
-                               unsigned char bNumEndpoints = interface->altsetting[k].bNumEndpoints;
-                               WDU_ENDPOINT_DESCRIPTOR **pEndpointDescriptors;
-                               WDU_PIPE_INFO **pPipes;
-
-                               if (buf) {
-                                       WDU_ALTERNATE_SETTING *altset = (WDU_ALTERNATE_SETTING*)(buf+len);
-
-                                       altset->Descriptor.bLength = interface->altsetting[k].bLength;
-                                       altset->Descriptor.bDescriptorType = interface->altsetting[k].bDescriptorType;
-                                       altset->Descriptor.bInterfaceNumber = interface->altsetting[k].bInterfaceNumber;
-                                       altset->Descriptor.bAlternateSetting = interface->altsetting[k].bAlternateSetting;
-                                       altset->Descriptor.bNumEndpoints = interface->altsetting[k].bNumEndpoints;
-                                       altset->Descriptor.bInterfaceClass = interface->altsetting[k].bInterfaceClass;
-                                       altset->Descriptor.bInterfaceSubClass = interface->altsetting[k].bInterfaceSubClass;
-                                       altset->Descriptor.bInterfaceProtocol = interface->altsetting[k].bInterfaceProtocol;
-                                       altset->Descriptor.iInterface = interface->altsetting[k].iInterface;
-                                       pEndpointDescriptors = &(altset->pEndpointDescriptors);
-                                       pPipes = &(altset->pPipes);
-
-                               }
-                               len +=sizeof(WDU_ALTERNATE_SETTING);
-
-                               if (buf) {
-                                       *pEndpointDescriptors = (WDU_ENDPOINT_DESCRIPTOR*)(buf+len);
-                                       for (l = 0; l < bNumEndpoints; l++) {
-                                               WDU_ENDPOINT_DESCRIPTOR *ed = (WDU_ENDPOINT_DESCRIPTOR*)(buf+len);
-
-                                               ed->bLength = interface->altsetting[k].endpoint[l].bLength;
-                                               ed->bDescriptorType = interface->altsetting[k].endpoint[l].bDescriptorType;
-                                               ed->bEndpointAddress = interface->altsetting[k].endpoint[l].bEndpointAddress;
-                                               ed->bmAttributes = interface->altsetting[k].endpoint[l].bmAttributes;
-                                               ed->wMaxPacketSize = interface->altsetting[k].endpoint[l].wMaxPacketSize;
-                                               ed->bInterval = interface->altsetting[k].endpoint[l].bInterval;
-
-                                               len += sizeof(WDU_ENDPOINT_DESCRIPTOR);
-                                       }
-                                               
-                                       *pPipes = (WDU_PIPE_INFO*)(buf+len);
-                                       for (l = 0; l < bNumEndpoints; l++) {
-                                               WDU_PIPE_INFO *pi = (WDU_PIPE_INFO*)(buf+len);
-
-                                               pi->dwNumber = interface->altsetting[k].endpoint[l].bEndpointAddress;
-                                               pi->dwMaximumPacketSize = WDU_GET_MAX_PACKET_SIZE(interface->altsetting[k].endpoint[l].wMaxPacketSize);
-                                               pi->type = interface->altsetting[k].endpoint[l].bmAttributes & USB_ENDPOINT_TYPE_MASK;
-                                               if (pi->type == PIPE_TYPE_CONTROL)
-                                                       pi->direction = WDU_DIR_IN_OUT;
-                                               else
-                                               {
-                                                       pi->direction = interface->altsetting[k].endpoint[l].bEndpointAddress & USB_ENDPOINT_DIR_MASK ?  WDU_DIR_IN : WDU_DIR_OUT;
-                                               }
-
-                                               pi->dwInterval = interface->altsetting[k].endpoint[l].bInterval;
-
-                                               len += sizeof(WDU_PIPE_INFO);
-                                       }
-                               } else {
-                                       len +=(sizeof(WDU_ENDPOINT_DESCRIPTOR)+sizeof(WDU_PIPE_INFO))*bNumEndpoints;
-                               }
-                       }
-               }
-       }
-
-       return len;
-}
-
-int pp_transfer(WD_TRANSFER *tr, int fd, unsigned int request, unsigned char *wdioctl) {
-       int ret = 0;
-       unsigned long port = (unsigned long)tr->dwPort;
-       unsigned char val;
-
-       DPRINTF("dwPort: 0x%lx, cmdTrans: %lu, dwbytes: %ld, fautoinc: %ld, dwoptions: %ld\n",
-                       (unsigned long)tr->dwPort, tr->cmdTrans, tr->dwBytes,
-                       tr->fAutoinc, tr->dwOptions);
-
-       val = tr->Data.Byte;
-       
-#ifdef DEBUG
-       if (tr->cmdTrans == 13)
-               DPRINTF("write byte: %d\n", val);
-#endif
-
-#ifndef NO_WINDRVR
-       ret = (*ioctl_func) (fd, request, wdioctl);
-#else
-       if (parportfd < 0)
-               return ret;
-
-       if (port == ppbase + PP_DATA) {
-               DPRINTF("data port\n");
-               switch(tr->cmdTrans) {
-                       case PP_READ:
-                               ret = 0; /* We don't support reading of the data port */
-                               break;
-
-                       case PP_WRITE:
-                               ret = ioctl(parportfd, PPWDATA, &val);
-                               break;
-
-                       default:
-                               fprintf(stderr,"!!!Unsupported TRANSFER command: %lu!!!\n", tr->cmdTrans);
-                               ret = -1;
-                               break;
-               }
-       } else if (port == ppbase + PP_STATUS) {
-               DPRINTF("status port\n");
-               switch(tr->cmdTrans) {
-                       case PP_READ:
-                               ret = ioctl(parportfd, PPRSTATUS, &val);
-                               break;
-
-                       case PP_WRITE:
-                               ret = 0; /* Status Port is readonly */
-                               break;
-
-                       default:
-                               fprintf(stderr,"!!!Unsupported TRANSFER command: %lu!!!\n", tr->cmdTrans);
-                               ret = -1;
-                               break;
-               }
-       } else if (port == ppbase + PP_CONTROL) {
-               DPRINTF("control port\n");
-               switch(tr->cmdTrans) {
-                       case PP_READ:
-                               ret = ioctl(parportfd, PPRCONTROL, &val);
-                               break;
-
-                       case PP_WRITE:
-                               ret = ioctl(parportfd, PPWCONTROL, &val);
-                               break;
-
-                       default:
-                               fprintf(stderr,"!!!Unsupported TRANSFER command: %lu!!!\n", tr->cmdTrans);
-                               ret = -1;
-                               break;
-               }
-       } else if ((port == ecpbase + PP_ECP_CFGA) && ecpbase) {
-               DPRINTF("ECP_CFGA port\n");
-       } else if ((port == ecpbase + PP_ECP_CFGB) && ecpbase) {
-               DPRINTF("ECP_CFGB port\n");
-       } else if ((port == ecpbase + PP_ECP_ECR) && ecpbase) {
-               DPRINTF("ECP_ECR port\n");
-       } else {
-               DPRINTF("access to unsupported address range!\n");
-               ret = 0;
-       }
-
-       tr->Data.Byte = val;
-#endif
-
-       DPRINTF("dwPortReturn: 0x%lx, cmdTrans: %lu, dwbytes: %ld, fautoinc: %ld, dwoptions: %ld\n",
-                       (unsigned long)tr->dwPort, tr->cmdTrans, tr->dwBytes,
-                       tr->fAutoinc, tr->dwOptions);
-#ifdef DEBUG
-       if (tr->cmdTrans == 10)
-               DPRINTF("read byte: %d\n", tr->Data.Byte);
-#endif
-
-       return ret;
-}
-
-int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
+static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
        struct header_struct* wdheader = (struct header_struct*)wdioctl;
        struct version_struct *version;
        int ret = 0;
@@ -345,7 +86,7 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
        switch(request & ~(0xc0000000)) {
                case VERSION:
                        version = (struct version_struct*)(wdheader->data);
-                       strcpy(version->version, "WinDriver no more");
+                       strcpy(version->version, "libusb-driver.so version: " USB_DRIVER_VERSION);
                        version->versionul = 802;
                        DPRINTF("VERSION\n");
                        break;
@@ -359,7 +100,6 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
                        DPRINTF("CARD_REGISTER\n");
                        {
                                struct card_register* cr = (struct card_register*)(wdheader->data);
-                               char ppdev[32];
 
                                DPRINTF("Items: %lu, Addr: 0x%lx, bytes: %lu, bar: %lu\n",
                                cr->Card.dwItems,
@@ -375,45 +115,22 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 #ifndef NO_WINDRVR
                                ret = (*ioctl_func) (fd, request, wdioctl);
 #else
-                               if (parportfd < 0) {
-                                       snprintf(ppdev, sizeof(ppdev), "/dev/parport%d", parportnum);
-                                       DPRINTF("opening %s\n", ppdev);
-                                       parportfd = open(ppdev, O_RDWR|O_EXCL);
-                                       parportnum++;
-
-                                       if (parportfd < 0)
-                                               fprintf(stderr,"Can't open %s: %s\n", ppdev, strerror(errno));
-                               }
 
-                               if (parportfd >= 0) {
-                                       int pmode;
-
-                                       if (ioctl(parportfd, PPCLAIM) == -1)
-                                               return ret;
-
-                                       ecpbase = 0;
-                                       pmode = IEEE1284_MODE_COMPAT;
-                                       if (ioctl(parportfd, PPNEGOT, &pmode) == -1)
-                                               return ret;
-                                       
-                                       if (cr->Card.dwItems > 1 && cr->Card.Item[1].I.IO.dwAddr) {
-                                               DPRINTF("ECP mode requested\n");
-                                               ecpbase = (unsigned long)cr->Card.Item[1].I.IO.dwAddr;
-                                               /* TODO: Implement ECP mode */
-#if 0
-                                               pmode = IEEE1284_MODE_ECP;
-
-                                               if (ioctl(parportfd, PPNEGOT, &pmode) == -1) {
-                                                       ecpbase = 0;
-                                                       pmode = IEEE1284_MODE_COMPAT;
-                                                       if (ioctl(parportfd, PPNEGOT, &pmode) == -1)
-                                                               return ret;
-                                               }
-#endif
-                                       }
+                               pport = config_get((unsigned long)cr->Card.Item[0].I.IO.dwAddr / 0x10);
+                               if (!pport)
+                                       break;
+
+                               ret = pport->open((unsigned long)cr->Card.Item[0].I.IO.dwAddr / 0x10);
+
+                               ppbase = (unsigned long)cr->Card.Item[0].I.IO.dwAddr;
 
-                                       cr->hCard = parportfd;
-                                       ppbase = (unsigned long)cr->Card.Item[0].I.IO.dwAddr;
+                               if (cr->Card.dwItems > 1 && cr->Card.Item[1].I.IO.dwAddr)
+                                       ecpbase = (unsigned long)cr->Card.Item[1].I.IO.dwAddr;
+
+                               if (ret >= 0) {
+                                       cr->hCard = ret;
+                               } else {
+                                       cr->hCard = 0;
                                }
 #endif
                                DPRINTF("hCard: %lu\n", cr->hCard);
@@ -429,8 +146,10 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
                                DPRINTF(" unique: %lu, pipe: %lu, read: %lu, options: %lx, size: %lu, timeout: %lx\n",
                                ut->dwUniqueID, ut->dwPipeNum, ut->fRead,
                                ut->dwOptions, ut->dwBufferSize, ut->dwTimeout);
-                               DPRINTF("setup packet: ");
-                               hexdump(ut->SetupPacket, 8);
+                               if (ut->dwPipeNum == 0) {
+                                       DPRINTF("setup packet: ");
+                                       hexdump(ut->SetupPacket, 8);
+                               }
 
                                if (!ut->fRead && ut->dwBufferSize)
                                {
@@ -441,31 +160,7 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 #ifndef NO_WINDRVR
                                ret = (*ioctl_func) (fd, request, wdioctl);
 #else
-                               /* http://www.jungo.com/support/documentation/windriver/802/wdusb_man_mhtml/node55.html#SECTION001213000000000000000 */
-                               if (ut->dwPipeNum == 0) { /* control pipe */
-                                       int requesttype, request, value, index, size;
-                                       requesttype = ut->SetupPacket[0];
-                                       request = ut->SetupPacket[1];
-                                       value = ut->SetupPacket[2] | (ut->SetupPacket[3] << 8);
-                                       index = ut->SetupPacket[4] | (ut->SetupPacket[5] << 8);
-                                       size = ut->SetupPacket[6] | (ut->SetupPacket[7] << 8);
-                                       DPRINTF("requesttype: %x, request: %x, value: %u, index: %u, size: %u\n", requesttype, request, value, index, size);
-                                       ret = usb_control_msg(usb_devhandle, requesttype, request, value, index, ut->pBuffer, size, ut->dwTimeout);
-                               } else {
-                                       if (ut->fRead) {
-                                               ret = usb_bulk_read(usb_devhandle, ut->dwPipeNum, ut->pBuffer, ut->dwBufferSize, ut->dwTimeout);
-
-                                       } else {
-                                               ret = usb_bulk_write(usb_devhandle, ut->dwPipeNum, ut->pBuffer, ut->dwBufferSize, ut->dwTimeout);
-                                       }
-                               }
-
-                               if (ret < 0) {
-                                       fprintf(stderr, "usb_transfer: %d (%s)\n", ret, usb_strerror());
-                               } else {
-                                       ut->dwBytesTransferred = ret;
-                                       ret = 0;
-                               }
+                               xpcu_transfer(xpcu, ut);
 #endif
 
 #ifdef DEBUG
@@ -534,26 +229,19 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 #ifndef NO_WINDRVR
                                ret = (*ioctl_func) (fd, request, wdioctl);
 #else
-                               if (usbdevice) {
-                                       if (!usb_devhandle)
-                                               usb_devhandle = usb_open(usbdevice);
-
-                                       /* FIXME: Select right interface! */
-                                       ret = usb_claim_interface(usb_devhandle, usbdevice->config[0].interface[usi->dwInterfaceNum].altsetting[usi->dwAlternateSetting].bInterfaceNumber);
-                                       if (!ret) {
-                                               if(!ret) {
-                                                       usbinterface = usbdevice->config[0].interface[usi->dwInterfaceNum].altsetting[usi->dwAlternateSetting].bInterfaceNumber;
-                                                       ret = usb_set_altinterface(usb_devhandle, usi->dwAlternateSetting);
-                                                       if (ret)
-                                                               fprintf(stderr, "usb_set_altinterface: %d\n", ret);
-                                               } else {
-                                                       fprintf(stderr, "usb_set_configuration: %d (%s)\n", ret, usb_strerror());
+                               if (xpcu->dev) {
+                                       if (!xpcu->handle) {
+                                               xpcu->handle = usb_open(xpcu->dev);
+#ifndef NO_USB_RESET
+                                               if (xpcu->handle) {
+                                                       usb_reset(xpcu->handle);
+                                                       xpcu->handle = usb_open(xpcu->dev);
                                                }
-                                       } else {
-                                               fprintf(stderr, "usb_claim_interface: %d -> %d (%s)\n",
-                                               usbdevice->config[0].interface[usi->dwInterfaceNum].altsetting[usi->dwAlternateSetting].bInterfaceNumber,
-                                               ret, usb_strerror());
+#endif
                                        }
+
+                                       xpcu->interface = xpcu->dev->config[0].interface[usi->dwInterfaceNum].altsetting[usi->dwAlternateSetting].bInterfaceNumber;
+                                       xpcu->alternate = usi->dwAlternateSetting;
                                }
 #endif
                                DPRINTF("unique: %lu, interfacenum: %lu, alternatesetting: %lu, options: %lx\n",
@@ -575,11 +263,11 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 
                                pSize = ugdd->dwBytes;
                                if (!ugdd->dwBytes) {
-                                       if (usbdevice) {
-                                               ugdd->dwBytes = usb_deviceinfo(NULL);
+                                       if (xpcu->dev) {
+                                               ugdd->dwBytes = xpcu_deviceinfo(xpcu, NULL);
                                        }
                                } else {
-                                       usb_deviceinfo((unsigned char*)ugdd->pBuf);
+                                       xpcu_deviceinfo(xpcu, (unsigned char*)ugdd->pBuf);
                                }
                        }
                        break;
@@ -590,6 +278,8 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
                        {
                                struct event *e = (struct event*)(wdheader->data);
                                struct usb_bus *bus;
+                               char* devpos;
+                               int busnum = -1, devnum = -1;
                                int i;
 
                                DPRINTF("handle: %lu, action: %lu, status: %lu, eventid: %lu, cardtype: %lu, kplug: %lu, options: %lu, dev: %lx:%lx, unique: %lu, ver: %lu, nummatch: %lu\n",
@@ -601,6 +291,37 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
                                e->u.Usb.dwUniqueID, e->dwEventVer,
                                e->dwNumMatchTables);
 
+                               devpos = getenv("XILINX_USB_DEV");
+                               if (devpos != NULL) {
+                                       int j;
+                                       char *devstr = NULL, *remainder;
+
+                                       DPRINTF("XILINX_USB_DEV=%s\n", devpos);
+
+                                       for (j = 0; j < strlen(devpos) && devpos[j] != 0; j++) {
+                                               if (devpos[j] == ':') {
+                                                       devpos[j] = 0;
+                                                       devstr = &(devpos[j+1]);
+                                               }
+                                       }
+
+                                       if (devstr && strlen(devstr) > 0) {
+                                               busnum = strtol(devpos, &remainder, 10);
+                                               if (devpos == remainder) {
+                                                       busnum = -1;
+                                               } else {
+                                                       devnum = strtol(devstr, &remainder, 10);
+                                                       if (devstr == remainder) {
+                                                               busnum = -1;
+                                                               devnum = -1;
+                                                       } else {
+                                                               fprintf(stderr,"Using XILINX platform cable USB at %03d:%03d\n",
+                                                               busnum, devnum);
+                                                       }
+                                               }
+                                       }
+                               }
+
                                for (i = 0; i < e->dwNumMatchTables; i++) {
 
                                        DPRINTF("match: dev: %04x:%04x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n",
@@ -612,16 +333,20 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
                                        e->matchTables[i].bInterfaceSubClass,
                                        e->matchTables[i].bInterfaceProtocol);
 
-                                       for (bus = busses; bus; bus = bus->next) {
+                                       for (bus = xpcu->busses; bus; bus = bus->next) {
                                                struct usb_device *dev;
 
+                                               if ((devnum != -1) && (strtol(bus->dirname, NULL, 10) != busnum))
+                                                       continue;
+
                                                for (dev = bus->devices; dev; dev = dev->next) {
                                                        struct usb_device_descriptor *desc = &(dev->descriptor);
 
                                                        if((desc->idVendor == e->matchTables[i].VendorId) &&
                                                           (desc->idProduct == e->matchTables[i].ProductId) &&
                                                           (desc->bDeviceClass == e->matchTables[i].bDeviceClass) &&
-                                                          (desc->bDeviceSubClass == e->matchTables[i].bDeviceSubClass)) {
+                                                          (desc->bDeviceSubClass == e->matchTables[i].bDeviceSubClass) &&
+                                                          ((devnum == -1) || (strtol(dev->filename, NULL, 10) == devnum)) ) {
                                                                   int ac;
                                                                   for (ac = 0; ac < desc->bNumConfigurations; ac++) {
                                                                           struct usb_interface *interface = dev->config[ac].interface;
@@ -638,7 +363,7 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
                                                                                                   (interface->altsetting[ai].bInterfaceProtocol == e->matchTables[i].bInterfaceProtocol)){
                                                                                           /* TODO: check interfaceClass! */
                                                                                           DPRINTF("found device with libusb\n");
-                                                                                          usbdevice = dev;
+                                                                                          xpcu->dev = dev;
                                                                                           card_type = e->dwCardType;
                                                                                   }
                                                                           }
@@ -683,7 +408,11 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
                        {
                                WD_TRANSFER *tr = (WD_TRANSFER*)(wdheader->data);
 
-                               ret = pp_transfer(tr, fd, request, wdioctl);
+#ifndef NO_WINDRVR
+                               ret = (*ioctl_func) (fd, request, wdioctl);
+#else
+                               ret = pport->transfer(tr, fd, request, ppbase, ecpbase, 1);
+#endif
                        }
                        break;
 
@@ -693,24 +422,11 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
                        {
                                WD_TRANSFER *tr = (WD_TRANSFER*)(wdheader->data);
                                unsigned long num = wdheader->size/sizeof(WD_TRANSFER);
-                               int i;
-
-
-                               for (i = 0; i < num; i++) {
-                                       DPRINTF("Transfer %d:\n", i+1);
 #ifndef NO_WINDRVR
-                                       wdheader->size = sizeof(WD_TRANSFER);
-                                       request = TRANSFER;
-                                       wdheader->data = tr + i;
-#endif
-                                       ret = pp_transfer(tr + i, fd, request, wdioctl);
-                               }
-
-#ifndef NO_WINDRVR
-                               wdheader->data = tr;
+                               ret = (*ioctl_func) (fd, request, wdioctl);
+#else
+                               ret = pport->transfer(tr, fd, request, ppbase, ecpbase, num);
 #endif
-
-                               return ret;
                        }
                        break;
 
@@ -734,7 +450,7 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 #ifndef NO_WINDRVR
                                ret = (*ioctl_func) (fd, request, wdioctl);
 #else
-                               if (usbdevice) {
+                               if (xpcu->dev) {
                                        if (it->dwCounter == 0) {
                                                it->dwCounter = 1;
                                        } else {
@@ -769,12 +485,10 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 #ifndef NO_WINDRVR
                                ret = (*ioctl_func) (fd, request, wdioctl);
 #else
-                               if (parportfd == cr->hCard && parportfd >= 0) {
-                                       ioctl(parportfd, PPRELEASE);
-                                       close(parportfd);
-                                       parportfd = -1;
-                                       parportnum--;
-                               }
+                               if (pport)
+                                       pport->close(cr->hCard);
+
+                               pport = NULL;
 #endif
                        }
                        break;
@@ -808,17 +522,17 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 #ifndef NO_WINDRVR
                                ret = (*ioctl_func) (fd, request, wdioctl);
 #else
-                               if (usbdevice) {
-                                       struct usb_interface *interface = usbdevice->config->interface;
+                               if (xpcu->dev) {
+                                       struct usb_interface *interface = xpcu->dev->config->interface;
 
                                        e->dwCardType = card_type;
                                        e->dwAction = 1;
                                        e->dwEventId = 109;
                                        e->u.Usb.dwUniqueID = 110;
-                                       e->matchTables[0].VendorId = usbdevice->descriptor.idVendor;
-                                       e->matchTables[0].ProductId = usbdevice->descriptor.idProduct;
-                                       e->matchTables[0].bDeviceClass = usbdevice->descriptor.bDeviceClass;
-                                       e->matchTables[0].bDeviceSubClass = usbdevice->descriptor.bDeviceSubClass;
+                                       e->matchTables[0].VendorId = xpcu->dev->descriptor.idVendor;
+                                       e->matchTables[0].ProductId = xpcu->dev->descriptor.idProduct;
+                                       e->matchTables[0].bDeviceClass = xpcu->dev->descriptor.bDeviceClass;
+                                       e->matchTables[0].bDeviceSubClass = xpcu->dev->descriptor.bDeviceSubClass;
                                        e->matchTables[0].bInterfaceClass = interface->altsetting[0].bInterfaceClass;
                                        e->matchTables[0].bInterfaceSubClass = interface->altsetting[0].bInterfaceSubClass;
                                        e->matchTables[0].bInterfaceProtocol = interface->altsetting[0].bInterfaceProtocol;
@@ -901,13 +615,8 @@ int open (const char *pathname, int flags, ...) {
 #else
                windrvrfd = fd = (*func) (pathname, flags, mode);
 #endif
-               if (!busses) {
-                       usb_init();
-                       usb_find_busses();
-                       usb_find_devices();
-
-                       busses = usb_get_busses();
-               }
+               if (!xpcu)
+                       xpcu = xpcu_open();
 
                return fd;
        }
@@ -923,14 +632,11 @@ int close(int fd) {
        
        if (fd == windrvrfd && windrvrfd >= 0) {
                DPRINTF("close windrvrfd\n");
-               if (usbinterface >= 0)
-                       usb_release_interface(usb_devhandle, usbinterface);
 
-               if (usb_devhandle)
-                       usb_close(usb_devhandle);
+               if (xpcu)
+                       xpcu_close(xpcu);
 
-               usb_devhandle = NULL;
-               usbinterface = -1;
+               xpcu = NULL;
                windrvrfd = -1;
        }
 
@@ -940,13 +646,34 @@ int close(int fd) {
 FILE *fopen(const char *path, const char *mode) {
        FILE *ret;
        static FILE* (*func) (const char*, const char*) = NULL;
+       char buf[256];
+       int i;
 
        if (!func)
                func = (FILE* (*) (const char*, const char*)) dlsym(RTLD_NEXT, "fopen");
 
+       for (i = 0; i < 4; i++) {
+               snprintf(buf, sizeof(buf), "/proc/sys/dev/parport/parport%d/base-addr", i);
+               if (!strcmp(path, buf)) {
+                       DPRINTF("open base-addr of parport%d\n", i);
+                       if (config_is_real_pport(i)) {
+                               ret = (*func) (path, mode);
+                       } else {
+                               ret = (*func) ("/dev/null", mode);
+                       }
+
+                       if (ret) {
+                               baseaddrfp = ret;
+                               baseaddrnum = i;
+                       }
+
+                       return ret;
+               }
+       }
+
        ret = (*func) (path, mode);
 
-       if (!strcmp (path, "/proc/modules")) {
+       if (!strcmp(path, "/proc/modules")) {
                DPRINTF("opening /proc/modules\n");
 #ifdef NO_WINDRVR
                modulesfp = ret;
@@ -960,6 +687,7 @@ FILE *fopen(const char *path, const char *mode) {
 char *fgets(char *s, int size, FILE *stream) {
         static char* (*func) (char*, int, FILE*) = NULL;
        const char modules[][256] = {"windrvr6 1 0 - Live 0xdeadbeef\n", "parport_pc 1 0 - Live 0xdeadbeef\n"};
+       char buf[256];
        char *ret = NULL;
 
 
@@ -972,6 +700,11 @@ char *fgets(char *s, int size, FILE *stream) {
                        ret = s;
                        modules_read++;
                }
+       } else if (baseaddrfp == stream) {
+               snprintf(s, sizeof(buf), "%d\t%d\n",
+                       (baseaddrnum) * 0x10,
+                       ((baseaddrnum) * 0x10) + 0x400);
+               ret = s;
        } else {
                ret = (*func)(s,size,stream);
        }
@@ -988,6 +721,10 @@ int fclose(FILE *fp) {
        if (fp == modulesfp) {
                modulesfp = NULL;
        }
+
+       if (fp == baseaddrfp) {
+               baseaddrfp = NULL;
+       }
        
        return (*func)(fp);
 }
@@ -997,10 +734,28 @@ int access(const char *pathname, int mode) {
 
        if (!func)
                func = (int (*) (const char*, int)) dlsym(RTLD_NEXT, "access");
-       
-       if (!strcmp(pathname, "/dev/windrvr6")) {
+
+       if (pathname && !strcmp(pathname, "/dev/windrvr6")) {
                return 0;
        } else {
                return (*func)(pathname, mode);
        }
 }
+
+#if __WORDSIZE == 32
+int uname (struct utsname *__name) {
+       static int (*func) (struct utsname*);
+       int ret;
+
+       if (!func)
+               func = (int (*) (struct utsname*)) dlsym(RTLD_NEXT, "uname");
+       
+       ret = (*func)(__name);
+
+       if (ret == 0 && (!strcmp(__name->machine, "x86_64"))) {
+               strcpy(__name->machine, "i686");
+       }
+       
+       return ret;
+}
+#endif
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