unify parallel and jtagkey interface
authormichael <michael>
Mon, 30 Apr 2007 09:23:32 +0000 (09:23 +0000)
committermichael <michael>
Mon, 30 Apr 2007 09:23:32 +0000 (09:23 +0000)
Makefile
config.h
jtagkey.c
jtagkey.h
parport.c [new file with mode: 0644]
parport.h [new file with mode: 0644]
usb-driver.c

index cc2de3e1e5d302b2b380701bc6eb4e0b3ace51b1..21cb5651d1787a5ec95bc50ca0400382cd23154a 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -12,11 +12,11 @@ SOBJECTS=libusb-driver.so libusb-driver-DEBUG.so
 
 all: $(SOBJECTS)
 
-libusb-driver.so: usb-driver.c jtagkey.c config.c usb-driver.h jtagkey.h config.h Makefile
-       gcc $(CFLAGS) usb-driver.c config.c $(JTAGKEYSRC) -o $@ -ldl -lusb -lpthread $(FTDI) -shared
+libusb-driver.so: usb-driver.c parport.c jtagkey.c config.c usb-driver.h parport.h jtagkey.h config.h Makefile
+       gcc $(CFLAGS) usb-driver.c parport.c config.c $(JTAGKEYSRC) -o $@ -ldl -lusb -lpthread $(FTDI) -shared
 
-libusb-driver-DEBUG.so: usb-driver.c jtagkey.c config.c usb-driver.h jtagkey.h config.h Makefile
-       gcc -DDEBUG $(CFLAGS) usb-driver.c config.c $(JTAGKEYSRC) -o $@ -ldl -lusb -lpthread $(FTDI) -shared
+libusb-driver-DEBUG.so: usb-driver.c parport.c jtagkey.c config.c usb-driver.h parport.h jtagkey.h config.h Makefile
+       gcc -DDEBUG $(CFLAGS) usb-driver.c parport.c config.c $(JTAGKEYSRC) -o $@ -ldl -lusb -lpthread $(FTDI) -shared
 
 clean:
        rm -f $(SOBJECTS)
index 1cacd06a86bc0d2bcd4742c47d50697972b0c32a..f238e3b5c6f1e29857147a1c6cbb5e918e0498b6 100644 (file)
--- a/config.h
+++ b/config.h
@@ -4,6 +4,7 @@ struct parport_config {
        unsigned char real;
        unsigned short usb_vid;
        unsigned short usb_pid;
+       /* TODO: function pointer */
 };
 
 unsigned char config_is_real_pport(int num);
index 2490b31e3970e6b8805b23ef7d796cd9d07ab9fb..dec0b8127e59d817768893034c84f9ff568b0f3c 100644 (file)
--- a/jtagkey.c
+++ b/jtagkey.c
@@ -2,6 +2,7 @@
 #include <ftdi.h>
 #include <unistd.h>
 #include "usb-driver.h"
+#include "config.h"
 #include "jtagkey.h"
 
 #define USBBUFSIZE 4096
@@ -10,7 +11,7 @@ static struct ftdi_context ftdic;
 static unsigned int usb_maxlen = 0;
 static unsigned char bitbang_mode;
 
-int jtagkey_init(unsigned short vid, unsigned short pid) {
+static int jtagkey_init(unsigned short vid, unsigned short pid) {
        int ret = 0;
        unsigned char c;
 
@@ -68,10 +69,23 @@ int jtagkey_init(unsigned short vid, unsigned short pid) {
        return ret;
 }
 
-void jtagkey_close() {
-       ftdi_disable_bitbang(&ftdic);
-       ftdi_usb_close(&ftdic);
-       ftdi_deinit(&ftdic);
+int jtagkey_open(int num) {
+       int ret;
+
+       ret = jtagkey_init(config_usb_vid(num), config_usb_pid(num));
+
+       if (ret >= 0)
+               ret = 0xff;
+
+       return ret;
+}
+
+void jtagkey_close(int handle) {
+       if (handle == 0xff) {
+               ftdi_disable_bitbang(&ftdic);
+               ftdi_usb_close(&ftdic);
+               ftdi_deinit(&ftdic);
+       }
 }
 
 static int jtagkey_set_bbmode(unsigned char mode) {
index 59a32e24544dbb67954598844fe531a145a7dab4..2c1326058fb5a45e5caf50d53cb9ed75f405f2d5 100644 (file)
--- a/jtagkey.h
+++ b/jtagkey.h
@@ -5,6 +5,6 @@
 #define JTAGKEY_VREF   0x20
 #define JTAGKEY_OEn    0x10
 
-int jtagkey_init(unsigned short vid, unsigned short pid);
-void jtagkey_close();
 int jtagkey_transfer(WD_TRANSFER *tr, int fd, unsigned int request, int ppbase, int ecpbase, int num);
+int jtagkey_open(int num);
+void jtagkey_close(int handle);
diff --git a/parport.c b/parport.c
new file mode 100644 (file)
index 0000000..9cf35cd
--- /dev/null
+++ b/parport.c
@@ -0,0 +1,168 @@
+#include <stdio.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include <inttypes.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <linux/parport.h>
+#include <linux/ppdev.h>
+#include "usb-driver.h"
+#include "parport.h"
+
+static int parportfd = -1;
+
+int pp_transfer(WD_TRANSFER *tr, int fd, unsigned int request, int ppbase, int ecpbase, int num) {
+       int ret = 0;
+       int i;
+       unsigned long port;
+       unsigned char val;
+       static unsigned char last_pp_write = 0;
+
+       for (i = 0; i < num; i++) {
+               DPRINTF("dwPort: 0x%lx, cmdTrans: %lu, dwbytes: %ld, fautoinc: %ld, dwoptions: %ld\n",
+                               (unsigned long)tr[i].dwPort, tr[i].cmdTrans, tr[i].dwBytes,
+                               tr[i].fAutoinc, tr[i].dwOptions);
+
+               port = (unsigned long)tr[i].dwPort;
+               val = tr[i].Data.Byte;
+
+#ifdef DEBUG
+               if (tr[i].cmdTrans == 13)
+                       DPRINTF("write byte: %d\n", val);
+#endif
+
+               if (parportfd < 0)
+                       return ret;
+
+               if (port == ppbase + PP_DATA) {
+                       DPRINTF("data port\n");
+                       switch(tr[i].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[i].cmdTrans);
+                                       ret = -1;
+                                       break;
+                       }
+               } else if (port == ppbase + PP_STATUS) {
+                       DPRINTF("status port (last write: %d)\n", last_pp_write);
+                       switch(tr[i].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 */
+                                       break;
+
+                               default:
+                                       fprintf(stderr,"!!!Unsupported TRANSFER command: %lu!!!\n", tr[i].cmdTrans);
+                                       ret = -1;
+                                       break;
+                       }
+               } else if (port == ppbase + PP_CONTROL) {
+                       DPRINTF("control port\n");
+                       switch(tr[i].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[i].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[i].Data.Byte = val;
+
+               DPRINTF("dwPortReturn: 0x%lx, cmdTrans: %lu, dwbytes: %ld, fautoinc: %ld, dwoptions: %ld\n",
+                               (unsigned long)tr[i].dwPort, tr[i].cmdTrans, tr[i].dwBytes,
+                               tr[i].fAutoinc, tr[i].dwOptions);
+#ifdef DEBUG
+               if (tr[i].cmdTrans == 10)
+                       DPRINTF("read byte: %d\n", tr[i].Data.Byte);
+#endif
+       }
+
+       return ret;
+}
+
+int parport_open(int num) {
+       char ppdev[32];
+
+       if (parportfd < 0) {
+               snprintf(ppdev, sizeof(ppdev), "/dev/parport%u", 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 -1;
+
+               pmode = IEEE1284_MODE_COMPAT;
+               if (ioctl(parportfd, PPNEGOT, &pmode) == -1)
+                       return -1;
+
+#if 0
+               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 */
+                       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
+       }
+
+       return parportfd;
+}
+
+void parport_close(int handle) {
+       if (parportfd == handle && parportfd >= 0) {
+               ioctl(parportfd, PPRELEASE);
+               close(parportfd);
+               parportfd = -1;
+       }
+}
diff --git a/parport.h b/parport.h
new file mode 100644 (file)
index 0000000..d4fbaa2
--- /dev/null
+++ b/parport.h
@@ -0,0 +1,3 @@
+int pp_transfer(WD_TRANSFER *tr, int fd, unsigned int request, int ppbase, int ecpbase, int num);
+int parport_open(int num);
+void parport_close(int handle);
index b39c4fc506264e8ed5564f25e0e1bb1f7e2466fb..f2f8477a5c430cde97ebb2423c5c1257f2684302 100644 (file)
 #include <errno.h>
 #include <inttypes.h>
 #include <sys/ioctl.h>
-#include <linux/parport.h>
-#include <linux/ppdev.h>
 #include "usb-driver.h"
 #include "config.h"
+#include "parport.h"
 #ifdef JTAGKEY
 #include "jtagkey.h"
 #endif
 
 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;
@@ -237,106 +235,6 @@ int usb_deviceinfo(unsigned char *buf) {
        return len;
 }
 
-int pp_transfer(WD_TRANSFER *tr, int fd, unsigned int request) {
-       int ret = 0;
-       unsigned long port = (unsigned long)tr->dwPort;
-       unsigned char val;
-       static unsigned char 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
-
-       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 &= 0x5f;
-                               if (last_pp_write & 0x40)
-                                       val |= 0x20;
-                               else
-                                       val |= 0x80;
-#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;
-
-       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;
@@ -350,7 +248,7 @@ 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, "libusb-driver.so $Revision: 1.66 $");
+                       strcpy(version->version, "libusb-driver.so $Revision: 1.67 $");
                        version->versionul = 802;
                        DPRINTF("VERSION\n");
                        break;
@@ -364,7 +262,6 @@ 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,
@@ -380,64 +277,24 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 #ifndef NO_WINDRVR
                                ret = (*ioctl_func) (fd, request, wdioctl);
 #else
-                               
-#ifdef JTAGKEY
-                               if (!config_is_real_pport((unsigned long)cr->Card.Item[0].I.IO.dwAddr / 0x10)) {
-                                       int num = (unsigned long)cr->Card.Item[0].I.IO.dwAddr / 0x10;
-
-                                       ret=jtagkey_init(config_usb_vid(num), config_usb_pid(num));
-                                       cr->hCard = 0xff;
-                                       ppbase = (unsigned long)cr->Card.Item[0].I.IO.dwAddr;
-                                       if (ret < 0)
-                                               cr->hCard = 0;
 
-                                       break;
-                               }
+#ifdef JTAGKEY
+                               if (!config_is_real_pport((unsigned long)cr->Card.Item[0].I.IO.dwAddr / 0x10))
+                                       ret = jtagkey_open((unsigned long)cr->Card.Item[0].I.IO.dwAddr / 0x10);
+                               else
 #endif
+                                       ret = parport_open((unsigned long)cr->Card.Item[0].I.IO.dwAddr / 0x10);
 
-                               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));
-                               }
+                               ppbase = (unsigned long)cr->Card.Item[0].I.IO.dwAddr;
 
-                               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
-                                       }
+                               if (cr->Card.dwItems > 1 && cr->Card.Item[1].I.IO.dwAddr)
+                                       ecpbase = (unsigned long)cr->Card.Item[1].I.IO.dwAddr;
 
-                                       cr->hCard = parportfd;
-                               }
-
-                               ppbase = (unsigned long)cr->Card.Item[0].I.IO.dwAddr;
-                               if (ret < 0)
+                               if (ret >= 0) {
+                                       cr->hCard = ret;
+                               } else {
                                        cr->hCard = 0;
+                               }
 #endif
                                DPRINTF("hCard: %lu\n", cr->hCard);
                        }
@@ -716,7 +573,7 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
                                        break;
                                }
 #endif /* JTAGKEY */
-                               ret = pp_transfer(tr, fd, request);
+                               ret = pp_transfer(tr, fd, request, ppbase, ecpbase, 1);
 #endif
                        }
                        break;
@@ -727,7 +584,6 @@ 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;
 #ifndef NO_WINDRVR
                                ret = (*ioctl_func) (fd, request, wdioctl);
 #else
@@ -735,14 +591,9 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 #ifdef JTAGKEY
                                if (!config_is_real_pport(ppbase / 0x10)) {
                                        ret = jtagkey_transfer(tr, fd, request, ppbase, ecpbase, num);
-                                       break;
-                               }
+                               } else
 #endif /* JTAGKEY */
-
-                               for (i = 0; i < num; i++) {
-                                       DPRINTF("Transfer %d:\n", i+1);
-                                       ret = pp_transfer(tr + i, fd, request);
-                               }
+                                       ret = pp_transfer(tr, fd, request, ppbase, ecpbase, num);
 #endif
                        }
                        break;
@@ -804,14 +655,10 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 #else
 #ifdef JTAGKEY
                                if (cr->hCard == 0xff)
-                                       jtagkey_close();
+                                       jtagkey_close(cr->hCard);
+                               else
 #endif
-
-                               if (parportfd == cr->hCard && parportfd >= 0) {
-                                       ioctl(parportfd, PPRELEASE);
-                                       close(parportfd);
-                                       parportfd = -1;
-                               }
+                                       parport_close(cr->hCard);
 #endif
                        }
                        break;
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