-/* libusb connector for XILINX impact
+/* libusb/ppdev connector for XILINX impact
*
* Copyright (c) 2007 Michael Gernoth <michael@gernoth.net>
*
#include <pthread.h>
#include <errno.h>
#include <inttypes.h>
+#include <sys/ioctl.h>
+#include <linux/parport.h>
+#include <linux/ppdev.h>
#include "usb-driver.h"
static int (*ioctl_func) (int, int, void *) = NULL;
static int windrvrfd = -1;
+static int parportfd = -1;
+static unsigned long ppbase = 0;
+static unsigned long ecpbase = 0;
+static struct pports *pplist = NULL;
FILE *modulesfp = NULL;
static int modules_read = 0;
static struct usb_bus *busses = NULL;
static struct usb_device *usbdevice;
static usb_dev_handle *usb_devhandle = NULL;
-static uint32_t card_type;
+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
-#undef DEBUG
#ifdef DEBUG
#define DPRINTF(format, args...) fprintf(stderr, format, ##args)
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;
+ static int last_pp_write = 0;
+
+ 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);
+ last_pp_write = val;
+ break;
+
+ default:
+ fprintf(stderr,"!!!Unsupported TRANSFER command: %lu!!!\n", tr->cmdTrans);
+ ret = -1;
+ break;
+ }
+ } else if (port == ppbase + PP_STATUS) {
+ DPRINTF("status port (last write: %d)\n", last_pp_write);
+ switch(tr->cmdTrans) {
+ case PP_READ:
+ ret = ioctl(parportfd, PPRSTATUS, &val);
+#ifdef FORCE_PC3_IDENT
+ val &= 95;
+ if (last_pp_write & 64)
+ val |= 32;
+ else
+ val |= 128;
+#endif
+ 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) {
struct header_struct* wdheader = (struct header_struct*)wdioctl;
struct version_struct *version;
return (*ioctl_func) (fd, request, wdioctl);
}
- switch(request) {
+ switch(request & ~(0xc0000000)) {
case VERSION:
version = (struct version_struct*)(wdheader->data);
- strcpy(version->version, "WinDriver no more");
+ strcpy(version->version, "libusb-driver.so $Revision: 1.59 $");
version->versionul = 802;
DPRINTF("VERSION\n");
break;
DPRINTF("LICENSE\n");
break;
+ case CARD_REGISTER_OLD:
case CARD_REGISTER:
- /* TODO: Implement for LPT-support */
-#if 0
+ 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,
+ (unsigned long)cr->Card.Item[0].I.IO.dwAddr,
+ cr->Card.Item[0].I.IO.dwBytes,
+ cr->Card.Item[0].I.IO.dwBar);
+
+ DPRINTF("Items: %lu, Addr: 0x%lx, bytes: %lu, bar: %lu\n",
+ cr->Card.dwItems,
+ (unsigned long)cr->Card.Item[1].I.IO.dwAddr,
+ cr->Card.Item[1].I.IO.dwBytes,
+ cr->Card.Item[1].I.IO.dwBar);
+#ifndef NO_WINDRVR
+ ret = (*ioctl_func) (fd, request, wdioctl);
+#else
+ if (parportfd < 0) {
+ int max = -1;
+ struct pports **port = &pplist;
+
+ while (*port) {
+ DPRINTF("Looking up parallel port in linked list, entry: %d\n", (*port)->num);
+ if (max < (*port)->num)
+ max = (*port)->num;
+
+ if ((*port)->base == (unsigned long)cr->Card.Item[0].I.IO.dwAddr) {
+ break;
+ }
+
+ port = &((*port)->next);
+ }
+
+ if (!(*port)) { /* not found */
+ (*port) = malloc(sizeof(struct pports));
+ if (!(*port)) {
+ perror("malloc");
+ exit(EXIT_FAILURE);
+ }
+
+ (*port)->base = (unsigned long)cr->Card.Item[0].I.IO.dwAddr;
+ (*port)->num = max+1;
+ (*port)->next = NULL;
+
+ DPRINTF("parallel port not in linked list, new entry: %d\n", (*port)->num);
+ }
+
+ snprintf(ppdev, sizeof(ppdev), "/dev/parport%d", (*port)->num);
+ DPRINTF("opening %s\n", ppdev);
+ parportfd = open(ppdev, O_RDWR|O_EXCL);
+
+ 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
- DPRINTF("CARD_REGISTER\n");
+ }
+
+ cr->hCard = parportfd;
+ ppbase = (unsigned long)cr->Card.Item[0].I.IO.dwAddr;
+ }
+#endif
+ DPRINTF("hCard: %lu\n", cr->hCard);
+ }
break;
case USB_TRANSFER:
}
break;
+ case INT_ENABLE_OLD:
case INT_ENABLE:
DPRINTF("INT_ENABLE\n");
{
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);
}
break;
+ case USB_GET_DEVICE_DATA_OLD:
case USB_GET_DEVICE_DATA:
DPRINTF("USB_GET_DEVICE_DATA\n");
{
}
break;
+ case EVENT_REGISTER_OLD:
case EVENT_REGISTER:
DPRINTF("EVENT_REGISTER\n");
{
}
break;
+ case TRANSFER_OLD:
case TRANSFER:
DPRINTF("TRANSFER\n");
+ {
+ WD_TRANSFER *tr = (WD_TRANSFER*)(wdheader->data);
+
+ ret = pp_transfer(tr, fd, request, wdioctl);
+ }
+ break;
+
+ case MULTI_TRANSFER_OLD:
+ case MULTI_TRANSFER:
+ DPRINTF("MULTI_TRANSFER\n");
+ {
+ 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
- ret = (*ioctl_func) (fd, request, wdioctl);
+ 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;
#endif
+
+ return ret;
+ }
break;
case EVENT_UNREGISTER:
case CARD_UNREGISTER:
DPRINTF("CARD_UNREGISTER\n");
+ {
+ struct card_register* cr = (struct card_register*)(wdheader->data);
+
+ DPRINTF("Addr: 0x%lx, bytes: %lu, bar: %lu\n",
+ (unsigned long)cr->Card.Item[0].I.IO.dwAddr,
+ cr->Card.Item[0].I.IO.dwBytes,
+ cr->Card.Item[0].I.IO.dwBar);
+
+ DPRINTF("hCard: %lu\n", cr->hCard);
+
#ifndef NO_WINDRVR
- ret = (*ioctl_func) (fd, request, wdioctl);
+ ret = (*ioctl_func) (fd, request, wdioctl);
+#else
+ if (parportfd == cr->hCard && parportfd >= 0) {
+ ioctl(parportfd, PPRELEASE);
+ close(parportfd);
+ parportfd = -1;
+ }
#endif
+ }
break;
case EVENT_PULL:
return ret;
}
-int ioctl(int fd, int request, ...) {
+int ioctl(int fd, unsigned long int request, ...) {
va_list args;
void *argp;
int ret;
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);
+
+ usb_devhandle = NULL;
+ usbinterface = -1;
windrvrfd = -1;
}
func = (char* (*) (char*, int, FILE*)) dlsym(RTLD_NEXT, "fgets");
if (modulesfp == stream) {
- if (modules_read < sizeof(modules)) {
+ if (modules_read < sizeof(modules) / sizeof(modules[0])) {
strcpy(s, modules[modules_read]);
ret = s;
modules_read++;
projects / usb-driver / blobdiff