]> git.zerfleddert.de Git - usb-driver/blobdiff - usb-driver.c
preliminary support for amontec jtagkey.
[usb-driver] / usb-driver.c
index cd9807a9017d5391df1e650abf50c1e80b0426b0..d1d59303a148f5c6f6b5a5d6210b5c4ebf9e8547 100644 (file)
 #include <linux/parport.h>
 #include <linux/ppdev.h>
 #include "usb-driver.h"
+#ifdef JTAGKEY
+#include "jtagkey.h"
+#endif
 
 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;
+FILE *baseaddrfp = NULL;
+int baseaddrnum = 0;
 static int modules_read = 0;
 static struct usb_bus *busses = NULL;
 static struct usb_device *usbdevice;
@@ -62,7 +66,6 @@ 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;
 
@@ -73,8 +76,6 @@ void hexdump(unsigned char *buf, int len) {
        }
        fprintf(stderr,"\n");
 }
-#else
-#define DPRINTF(format, args...)
 #endif
 
 int usb_deviceinfo(unsigned char *buf) {
@@ -239,7 +240,15 @@ int usb_deviceinfo(unsigned char *buf) {
 
 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 unsigned char last_pp_write = 0;
+
+#ifdef JTAGKEY
+       /* FIXME: Config file and mor intelligent mapping! */
+       if (ppbase == 0x30)
+               return jtagkey_transfer(tr, fd, request, ppbase, ecpbase, 1);
+#endif
 
        DPRINTF("dwPort: 0x%lx, cmdTrans: %lu, dwbytes: %ld, fautoinc: %ld, dwoptions: %ld\n",
                        (unsigned long)tr->dwPort, tr->cmdTrans, tr->dwBytes,
@@ -258,33 +267,71 @@ int pp_transfer(WD_TRANSFER *tr, int fd, unsigned int request, unsigned char *wd
        if (parportfd < 0)
                return ret;
 
-       switch(tr->cmdTrans) {
-               case 10: /* Read Byte */
-                       if ((unsigned long)tr->dwPort == ppbase) { /* Data Port */
+       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 */
-                       } else if ((unsigned long)tr->dwPort == ppbase + 1) { /* Status Port */
-                               DPRINTF("status port\n");
-                               ret = ioctl(parportfd, PPRSTATUS, &val);
-                       } else if ((unsigned long)tr->dwPort == ppbase + 2) { /* Control Port */
-                               DPRINTF("control port\n");
-                               ret = ioctl(parportfd, PPRCONTROL, &val);
-                       }
-                       break;
-               case 13: /* Write Byte */
-                       if ((unsigned long)tr->dwPort == ppbase) { /* Data Port */
-                               DPRINTF("data port\n");
+                               break;
+
+                       case PP_WRITE:
                                ret = ioctl(parportfd, PPWDATA, &val);
-                       } else if ((unsigned long)tr->dwPort == ppbase + 1) { /* Status Port */
+                               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 &= 0x5f;
+                               if (last_pp_write & 0x40)
+                                       val |= 0x20;
+                               else
+                                       val |= 0x80;
+#endif
+                               break;
+
+                       case PP_WRITE:
                                ret = 0; /* Status Port is readonly */
-                       } else if ((unsigned long)tr->dwPort == ppbase + 2) { /* Control Port */
-                               DPRINTF("control port\n");
+                               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;
+                               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;
@@ -314,7 +361,7 @@ 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 $Revision: 1.61 $");
                        version->versionul = 802;
                        DPRINTF("VERSION\n");
                        break;
@@ -344,43 +391,61 @@ 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));
-                               }
+                               
+                               /* FIXME: Ugly hack which maps amontec JtagKey to 4. parallel port */
+#ifdef JTAGKEY
+                               if ((unsigned long)cr->Card.Item[0].I.IO.dwAddr != 0x30)
+#endif
+                               {
+                                       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 (parportfd >= 0) {
+                                               int pmode;
 
-                                       if (ioctl(parportfd, PPCLAIM) == -1)
-                                               return ret;
+                                               if (ioctl(parportfd, PPCLAIM) == -1)
+                                                       return ret;
 
-                                       pmode = IEEE1284_MODE_COMPAT;
-                                       if (ioctl(parportfd, PPNEGOT, &pmode) == -1)
-                                               return ret;
-                                       
-                                       if (cr->Card.dwItems > 1) {
-                                               ecpbase = cr->Card.Item[1].I.IO.dwBytes;
-                                               /* TODO: Implement ECP mode */
+                                               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;
+                                                       pmode = IEEE1284_MODE_ECP;
 
-                                               if (ioctl(parportfd, PPNEGOT, &pmode) == -1) {
-                                                       pmode = IEEE1284_MODE_COMPAT;
-                                                       if (ioctl(parportfd, PPNEGOT, &pmode) == -1)
-                                                               return ret;
-                                               }
+                                                       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;
+                                               cr->hCard = parportfd;
+                                       }
+#ifdef JTAGKEY
+                               } else {
+                                       ret=jtagkey_init(0x0403, 0xcff8); /* I need a config file... */
+                                       cr->hCard = 0xff;
+#endif
                                }
+
+                               ppbase = (unsigned long)cr->Card.Item[0].I.IO.dwAddr;
+                               if (ret < 0)
+                                       cr->hCard = 0;
 #endif
                                DPRINTF("hCard: %lu\n", cr->hCard);
                        }
@@ -661,7 +726,6 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
                                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
@@ -739,7 +803,6 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
                                        ioctl(parportfd, PPRELEASE);
                                        close(parportfd);
                                        parportfd = -1;
-                                       parportnum--;
                                }
 #endif
                        }
@@ -906,19 +969,38 @@ 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");
 
-       ret = (*func) (path, mode);
+#ifdef JTAGKEY
+       /* FIXME: Hack for parport mapping */
+       if (!strcmp(path, "/proc/sys/dev/parport/parport3/base-addr")) {
+               ret = (*func) ("/dev/null", mode);
+       } else
+#endif
+               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;
 }
@@ -926,6 +1008,7 @@ 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;
 
 
@@ -938,6 +1021,11 @@ 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);
        }
@@ -954,6 +1042,10 @@ int fclose(FILE *fp) {
        if (fp == modulesfp) {
                modulesfp = NULL;
        }
+
+       if (fp == baseaddrfp) {
+               baseaddrfp = NULL;
+       }
        
        return (*func)(fp);
 }
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