start of configuration infrastructure

[usb-driver] / usb-driver.c

diff --git a/usb-driver.c b/usb-driver.c
index 5a5a1479d1afc66e8231a4be24b67234fcbf3ec0..b39c4fc506264e8ed5564f25e0e1bb1f7e2466fb 100644 (file)
--- a/usb-driver.c
+++ b/usb-driver.c
@@ -1,4 +1,4 @@
-/* libusb connector for XILINX impact
+/* libusb/ppdev connector for XILINX impact

  *
  * Copyright (c) 2007 Michael Gernoth <michael@gernoth.net>
  *
  *
  * Copyright (c) 2007 Michael Gernoth <michael@gernoth.net>
  *


@@ -38,23 +38,34 @@
 #include <pthread.h>
 #include <errno.h>
 #include <inttypes.h>
 #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"
 #include "usb-driver.h"

+#include "config.h"
+#ifdef JTAGKEY
+#include "jtagkey.h"
+#endif

 
 static int (*ioctl_func) (int, int, void *) = NULL;
 static int windrvrfd = -1;
 
 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 *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 usb_dev_handle *usb_devhandle = 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 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
 
 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;
 
 void hexdump(unsigned char *buf, int len) {
        int i;
 


@@ -65,9 +76,6 @@ void hexdump(unsigned char *buf, int len) {
        }
        fprintf(stderr,"\n");
 }
        }
        fprintf(stderr,"\n");
 }

-#else
-#define DPRINTF(format, args...)
-#endif

 
 int usb_deviceinfo(unsigned char *buf) {
        int i,j,k,l;
 
 int usb_deviceinfo(unsigned char *buf) {
        int i,j,k,l;


@@ -229,6 +237,106 @@ int usb_deviceinfo(unsigned char *buf) {
        return len;
 }
 
        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;
 int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
        struct header_struct* wdheader = (struct header_struct*)wdioctl;
        struct version_struct *version;


@@ -239,10 +347,10 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
                return (*ioctl_func) (fd, request, wdioctl);
        }
 
                return (*ioctl_func) (fd, request, wdioctl);
        }
 

-       switch(request) {
+       switch(request & ~(0xc0000000)) {

                case VERSION:
                        version = (struct version_struct*)(wdheader->data);
                case VERSION:
                        version = (struct version_struct*)(wdheader->data);

-                       strcpy(version->version, "WinDriver no more");
+                       strcpy(version->version, "libusb-driver.so $Revision: 1.66 $");

                        version->versionul = 802;
                        DPRINTF("VERSION\n");
                        break;
                        version->versionul = 802;
                        DPRINTF("VERSION\n");
                        break;


@@ -251,14 +359,88 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
                        DPRINTF("LICENSE\n");
                        break;
 
                        DPRINTF("LICENSE\n");
                        break;
 

+               case CARD_REGISTER_OLD:

                case CARD_REGISTER:
                case CARD_REGISTER:

-                       /* TODO: Implement for LPT-support */
-#if 0
+                       DPRINTF("CARD_REGISTER\n");

                        {
                                struct card_register* cr = (struct card_register*)(wdheader->data);
                        {
                                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
+                               
+#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;
+                               }

 #endif
 #endif

-                       DPRINTF("CARD_REGISTER\n");
+
+                               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;
+                               if (ret < 0)
+                                       cr->hCard = 0;
+#endif
+                               DPRINTF("hCard: %lu\n", cr->hCard);
+                       }

                        break;
 
                case USB_TRANSFER:
                        break;
 
                case USB_TRANSFER:


@@ -320,6 +502,7 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
                        }
                        break;
 
                        }
                        break;
 

+               case INT_ENABLE_OLD:

                case INT_ENABLE:
                        DPRINTF("INT_ENABLE\n");
                        {
                case INT_ENABLE:
                        DPRINTF("INT_ENABLE\n");
                        {


@@ -382,6 +565,7 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
                                        ret = usb_claim_interface(usb_devhandle, usbdevice->config[0].interface[usi->dwInterfaceNum].altsetting[usi->dwAlternateSetting].bInterfaceNumber);
                                        if (!ret) {
                                                if(!ret) {
                                        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);
                                                        ret = usb_set_altinterface(usb_devhandle, usi->dwAlternateSetting);
                                                        if (ret)
                                                                fprintf(stderr, "usb_set_altinterface: %d\n", ret);


@@ -401,6 +585,7 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
                        }
                        break;
 
                        }
                        break;
 

+               case USB_GET_DEVICE_DATA_OLD:

                case USB_GET_DEVICE_DATA:
                        DPRINTF("USB_GET_DEVICE_DATA\n");
                        {
                case USB_GET_DEVICE_DATA:
                        DPRINTF("USB_GET_DEVICE_DATA\n");
                        {


@@ -422,6 +607,7 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
                        }
                        break;
 
                        }
                        break;
 

+               case EVENT_REGISTER_OLD:

                case EVENT_REGISTER:
                        DPRINTF("EVENT_REGISTER\n");
                        {
                case EVENT_REGISTER:
                        DPRINTF("EVENT_REGISTER\n");
                        {


@@ -514,11 +700,51 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
                        }
                        break;
 
                        }
                        break;
 

+               case TRANSFER_OLD:

                case TRANSFER:
                        DPRINTF("TRANSFER\n");
                case TRANSFER:
                        DPRINTF("TRANSFER\n");

+                       {
+                               WD_TRANSFER *tr = (WD_TRANSFER*)(wdheader->data);
+

 #ifndef NO_WINDRVR
 #ifndef NO_WINDRVR

-                       ret = (*ioctl_func) (fd, request, wdioctl);
+                               ret = (*ioctl_func) (fd, request, wdioctl);
+#else
+
+#ifdef JTAGKEY
+                               if (!config_is_real_pport(ppbase / 0x10)) {
+                                       ret = jtagkey_transfer(tr, fd, request, ppbase, ecpbase, 1);
+                                       break;
+                               }
+#endif /* JTAGKEY */
+                               ret = pp_transfer(tr, fd, request);
+#endif
+                       }
+                       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;
+#ifndef NO_WINDRVR
+                               ret = (*ioctl_func) (fd, request, wdioctl);
+#else
+
+#ifdef JTAGKEY
+                               if (!config_is_real_pport(ppbase / 0x10)) {
+                                       ret = jtagkey_transfer(tr, fd, request, ppbase, ecpbase, num);
+                                       break;
+                               }
+#endif /* JTAGKEY */
+
+                               for (i = 0; i < num; i++) {
+                                       DPRINTF("Transfer %d:\n", i+1);
+                                       ret = pp_transfer(tr + i, fd, request);
+                               }

 #endif
 #endif

+                       }

                        break;
 
                case EVENT_UNREGISTER:
                        break;
 
                case EVENT_UNREGISTER:


@@ -563,9 +789,31 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
 
                case CARD_UNREGISTER:
                        DPRINTF("CARD_UNREGISTER\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
 #ifndef NO_WINDRVR

-                       ret = (*ioctl_func) (fd, request, wdioctl);
+                               ret = (*ioctl_func) (fd, request, wdioctl);
+#else
+#ifdef JTAGKEY
+                               if (cr->hCard == 0xff)
+                                       jtagkey_close();
+#endif
+
+                               if (parportfd == cr->hCard && parportfd >= 0) {
+                                       ioctl(parportfd, PPRELEASE);
+                                       close(parportfd);
+                                       parportfd = -1;
+                               }

 #endif
 #endif

+                       }

                        break;
 
                case EVENT_PULL:
                        break;
 
                case EVENT_PULL:


@@ -648,7 +896,7 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
        return ret;
 }
 
        return ret;
 }
 

-int ioctl(int fd, int request, ...) {
+int ioctl(int fd, unsigned long int request, ...) {

        va_list args;
        void *argp;
        int ret;
        va_list args;
        void *argp;
        int ret;


@@ -712,6 +960,14 @@ int close(int fd) {
        
        if (fd == windrvrfd && windrvrfd >= 0) {
                DPRINTF("close windrvrfd\n");
        
        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;
        }
 
                windrvrfd = -1;
        }
 


@@ -721,13 +977,34 @@ int close(int fd) {
 FILE *fopen(const char *path, const char *mode) {
        FILE *ret;
        static FILE* (*func) (const char*, const char*) = NULL;
 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");
 
 
        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);
 
        ret = (*func) (path, mode);
 

-       if (!strcmp (path, "/proc/modules")) {
+       if (!strcmp(path, "/proc/modules")) {

                DPRINTF("opening /proc/modules\n");
 #ifdef NO_WINDRVR
                modulesfp = ret;
                DPRINTF("opening /proc/modules\n");
 #ifdef NO_WINDRVR
                modulesfp = ret;


@@ -741,6 +1018,7 @@ 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 *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;
 
 
        char *ret = NULL;
 
 


@@ -748,11 +1026,16 @@ char *fgets(char *s, int size, FILE *stream) {
                func = (char* (*) (char*, int, FILE*)) dlsym(RTLD_NEXT, "fgets");
        
        if (modulesfp == stream) {
                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++;
                }
                        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);
        }
        } else {
                ret = (*func)(s,size,stream);
        }


@@ -769,6 +1052,10 @@ int fclose(FILE *fp) {
        if (fp == modulesfp) {
                modulesfp = NULL;
        }
        if (fp == modulesfp) {
                modulesfp = NULL;
        }

+
+       if (fp == baseaddrfp) {
+               baseaddrfp = NULL;
+       }

        
        return (*func)(fp);
 }
        
        return (*func)(fp);
 }