X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/usb-driver/blobdiff_plain/501f1c2134564edacc35526b86968703d5485bcd..cc424c9bea54daee69205227bea3974572ad9b25:/usb-driver.c diff --git a/usb-driver.c b/usb-driver.c index 0383d12..264366b 100644 --- a/usb-driver.c +++ b/usb-driver.c @@ -33,23 +33,24 @@ #include #include #include -#include #include #include #include #include #include #include +#include +#include #include "usb-driver.h" #include "config.h" #include "xpcu.h" static int (*ioctl_func) (int, int, void *) = NULL; -static int windrvrfd = -1; +static int *windrvrfds = NULL; +static int windrvrfds_count = 0; static unsigned long ppbase = 0; static unsigned long ecpbase = 0; static struct parport_config *pport = NULL; -static struct xpcu_s *xpcu = NULL; static FILE *modulesfp = NULL; static FILE *baseaddrfp = NULL; static int baseaddrnum = 0; @@ -57,13 +58,14 @@ static int modules_read = 0; #define NO_WINDRVR 1 -void hexdump(unsigned char *buf, int len) { +void hexdump(unsigned char *buf, int len, char *prefix) { int i; + fprintf(stderr, "%s ", prefix); for(i=0; idwUniqueID, ut->dwPipeNum, ut->fRead, ut->dwOptions, ut->dwBufferSize, ut->dwTimeout); if (ut->dwPipeNum == 0) { - DPRINTF("-> setup packet: "); - hexdump(ut->SetupPacket, 8); + DPRINTF("-> setup packet:"); + hexdump(ut->SetupPacket, 8, ""); } if (!ut->fRead && ut->dwBufferSize) { - hexdump(ut->pBuffer, ut->dwBufferSize); + hexdump(ut->pBuffer, ut->dwBufferSize, "->"); } #endif #ifndef NO_WINDRVR ret = (*ioctl_func) (fd, request, wdioctl); #else - xpcu_transfer(xpcu, ut); + ret = xpcu_transfer(ut); #endif #ifdef DEBUG DPRINTF("Transferred: %lu (%s)\n",ut->dwBytesTransferred, (ut->fRead?"read":"write")); if (ut->fRead && ut->dwBytesTransferred) { - DPRINTF("<- Read: "); - hexdump(ut->pBuffer, ut->dwBytesTransferred); + hexdump(ut->pBuffer, ut->dwBytesTransferred, "<-"); } #endif } @@ -184,7 +185,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { #ifndef NO_WINDRVR ret = (*ioctl_func) (fd, request, wdioctl); #else - xpcu_int_state(xpcu, it, ENABLE_INTERRUPT); + ret = xpcu_int_state(it, ENABLE_INTERRUPT); #endif DPRINTF("<- Handle: 0x%lx, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n", @@ -207,7 +208,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { #ifndef NO_WINDRVR ret = (*ioctl_func) (fd, request, wdioctl); #else - xpcu_int_state(xpcu, it, DISABLE_INTERRUPT); + ret = xpcu_int_state(it, DISABLE_INTERRUPT); #endif DPRINTF("<- Handle: 0x%lx, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n", it->hInterrupt, it->dwOptions, @@ -227,7 +228,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { #ifndef NO_WINDRVR ret = (*ioctl_func) (fd, request, wdioctl); #else - xpcu_set_interface(xpcu, usi); + ret = xpcu_set_interface(usi); #endif DPRINTF("<- unique: 0x%lx, interfacenum: %lu, alternatesetting: %lu, options: %lx\n", usi->dwUniqueID, usi->dwInterfaceNum, @@ -245,7 +246,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { ugdd->dwUniqueID, ugdd->dwBytes, ugdd->dwOptions); - ugdd->dwBytes = xpcu_deviceinfo(xpcu, ugdd); + ret = xpcu_deviceinfo(ugdd); } break; @@ -271,7 +272,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { #ifndef NO_WINDRVR ret = (*ioctl_func) (fd, request, wdioctl); #else - xpcu = xpcu_find(e); + ret = xpcu_find(e); #endif #ifdef DEBUG @@ -333,7 +334,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { #ifndef NO_WINDRVR ret = (*ioctl_func) (fd, request, wdioctl); #else - xpcu_close(xpcu, e); + ret = xpcu_close(e); #endif } break; @@ -351,7 +352,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { #ifndef NO_WINDRVR ret = (*ioctl_func) (fd, request, wdioctl); #else - xpcu_int_wait(xpcu, it); + ret = xpcu_int_wait(it); #endif DPRINTF("<- INT_WAIT_RETURN: Handle: 0x%lx, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n", @@ -413,7 +414,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { #ifndef NO_WINDRVR ret = (*ioctl_func) (fd, request, wdioctl); #else - xpcu_found(xpcu, e); + ret = xpcu_found(e); #endif #ifdef DEBUG @@ -453,7 +454,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { int ioctl(int fd, unsigned long int request, ...) { va_list args; void *argp; - int ret; + int i; if (!ioctl_func) ioctl_func = (int (*) (int, int, void *)) dlsym (RTLD_NEXT, "ioctl"); @@ -462,12 +463,12 @@ int ioctl(int fd, unsigned long int request, ...) { argp = va_arg (args, void *); va_end (args); - if (fd == windrvrfd) - ret = do_wdioctl(fd, request, argp); - else - ret = (*ioctl_func) (fd, request, argp); + for (i = 0; i < windrvrfds_count; i++) { + if (fd == windrvrfds[i]) + return do_wdioctl(fd, request, argp); + } - return ret; + return (*ioctl_func) (fd, request, argp); } int open (const char *pathname, int flags, ...) { @@ -486,11 +487,15 @@ int open (const char *pathname, int flags, ...) { } if (!strcmp (pathname, "/dev/windrvr6")) { - DPRINTF("opening windrvr6\n"); + DPRINTF("opening windrvr6 (%d)\n", windrvrfds_count); + windrvrfds = realloc(windrvrfds, sizeof(int) * (++windrvrfds_count)); + if (!windrvrfds) + return -ENOMEM; + #ifdef NO_WINDRVR - windrvrfd = fd = (*func) ("/dev/null", flags, mode); + windrvrfds[windrvrfds_count-1] = fd = (*func) ("/dev/null", flags, mode); #else - windrvrfd = fd = (*func) (pathname, flags, mode); + windrvrfds[windrvrfds_count-1] = fd = (*func) (pathname, flags, mode); #endif return fd; @@ -501,15 +506,22 @@ int open (const char *pathname, int flags, ...) { int close(int fd) { static int (*func) (int) = NULL; + int i; if (!func) func = (int (*) (int)) dlsym(RTLD_NEXT, "close"); - if (fd == windrvrfd && windrvrfd >= 0) { - DPRINTF("close windrvrfd\n"); - - xpcu = NULL; - windrvrfd = -1; + for (i = 0; i < windrvrfds_count; i++) { + if (fd == windrvrfds[i] && windrvrfds[i] >= 0) { + int remaining = windrvrfds_count - (i + 1); + DPRINTF("close windrvr6 (%d)\n", i); + if (remaining) + memmove(&(windrvrfds[i]), &(windrvrfds[i+1]), remaining * sizeof(int)); + windrvrfds = realloc(windrvrfds, sizeof(int) * --windrvrfds_count); + if (!windrvrfds_count) + windrvrfds = NULL; + break; + } } return (*func) (fd); @@ -547,6 +559,12 @@ FILE *fopen(const char *path, const char *mode) { if (!strcmp(path, "/proc/modules")) { DPRINTF("opening /proc/modules\n"); + if (!ret && errno == ENOENT) { + /* Hmm.. there appears to be no /proc/modules file + * fake it then */ + ret = (*func)("/dev/null", mode); + DPRINTF("No /proc/modules -- faking\n"); + } #ifdef NO_WINDRVR modulesfp = ret; modules_read = 0; @@ -614,6 +632,29 @@ int access(const char *pathname, int mode) { } } +#if 0 +/* USB cable sharing needs to overload semop, TODO! */ +int semop (int __semid, struct sembuf *__sops, size_t __nsops) { + static int (*func) (int, struct sembuf*, size_t) = NULL; + int i; + + if (!func) + func = (int (*) (int, struct sembuf*, size_t)) dlsym(RTLD_NEXT, "semop"); + + fprintf(stderr,"semop: semid: 0x%X, elements: %d\n", __semid, __nsops); + for (i = 0; i < __nsops; i++) { + fprintf(stderr, " num: %u, op: %d, flg: %d\n", __sops[i].sem_num, __sops[i].sem_op, __sops[i].sem_flg); + if (__sops[i].sem_op < 0) { + fprintf(stderr, "SEMAPHORE LOCK\n"); + } else { + fprintf(stderr, "SEMAPHORE UNLOCK\n"); + } + } + + return (*func)(__semid, __sops, __nsops); +} +#endif + #if __WORDSIZE == 32 int uname (struct utsname *__name) { static int (*func) (struct utsname*);