-/* 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;
FILE *modulesfp = NULL;
+FILE *baseaddrfp = NULL;
+int baseaddrnum = 0;
static int modules_read = 0;
static struct usb_bus *busses = NULL;
static struct usb_device *usbdevice;
static pthread_mutex_t int_wait = PTHREAD_MUTEX_INITIALIZER;
#define NO_WINDRVR 1
-#undef PARPORT
#ifdef DEBUG
#define DPRINTF(format, args...) fprintf(stderr, format, ##args)
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", tr->Data.Byte);
+ 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",
switch(request & ~(0xc0000000)) {
case VERSION:
version = (struct version_struct*)(wdheader->data);
- strcpy(version->version, "WinDriver no more");
+ strcpy(version->version, "libusb-driver.so $Revision: 1.60 $");
version->versionul = 802;
DPRINTF("VERSION\n");
break;
case CARD_REGISTER_OLD:
case CARD_REGISTER:
- /* TODO: Implement for LPT-support */
-#ifdef PARPORT
+ 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
- /* TODO: Open /dev/parport, check, ... */
- cr->hCard = 1;
+ if (parportfd < 0) {
+ snprintf(ppdev, sizeof(ppdev), "/dev/parport%lu",
+ (unsigned long)cr->Card.Item[0].I.IO.dwAddr / 0x10);
+ 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
+ }
+
+ cr->hCard = parportfd;
+ ppbase = (unsigned long)cr->Card.Item[0].I.IO.dwAddr;
+ }
#endif
DPRINTF("hCard: %lu\n", cr->hCard);
}
-#endif
- DPRINTF("CARD_REGISTER\n");
break;
case USB_TRANSFER:
}
break;
+ case MULTI_TRANSFER_OLD:
case MULTI_TRANSFER:
DPRINTF("MULTI_TRANSFER\n");
{
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;
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");
ret = (*func) (path, mode);
- if (!strcmp (path, "/proc/modules")) {
+ if (!strcmp(path, "/proc/modules")) {
DPRINTF("opening /proc/modules\n");
#ifdef NO_WINDRVR
modulesfp = ret;
modules_read = 0;
#endif
}
+
+ if (ret) {
+ 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);
+ baseaddrfp = ret;
+ baseaddrnum = i;
+ }
+ }
+ }
return ret;
}
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;
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++;
}
+ } 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);
}
if (fp == modulesfp) {
modulesfp = NULL;
}
+
+ if (fp == baseaddrfp) {
+ baseaddrfp = NULL;
+ }
return (*func)(fp);
}
projects / usb-driver / blobdiff