X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/usb-driver/blobdiff_plain/bdc65937d68c5091b701d8f70ab10b66f68a771c..0dca330e46ffe5fe5dc5973af026f83b4d06be01:/usb-driver.c diff --git a/usb-driver.c b/usb-driver.c index 890e494..bdf3350 100644 --- 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 * @@ -38,11 +38,19 @@ #include #include #include +#include +#include +#include #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; @@ -230,6 +238,110 @@ int usb_deviceinfo(unsigned char *buf) { return len; } +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", 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", + (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; @@ -243,7 +355,7 @@ 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: 1.60 $"); version->versionul = 802; DPRINTF("VERSION\n"); break; @@ -254,13 +366,68 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { case CARD_REGISTER_OLD: case CARD_REGISTER: - /* TODO: Implement for LPT-support */ -#if 0 + 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 + 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 - DPRINTF("CARD_REGISTER\n"); + } + + cr->hCard = parportfd; + ppbase = (unsigned long)cr->Card.Item[0].I.IO.dwAddr; + } +#endif + DPRINTF("hCard: %lu\n", cr->hCard); + } break; case USB_TRANSFER: @@ -523,9 +690,38 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { case TRANSFER_OLD: case TRANSFER: DPRINTF("TRANSFER\n"); + { + WD_TRANSFER *tr = (WD_TRANSFER*)(wdheader->data); + + ret = pp_transfer(tr, fd, request, wdioctl); + } + 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; + + + for (i = 0; i < num; i++) { + DPRINTF("Transfer %d:\n", i+1); #ifndef NO_WINDRVR - ret = (*ioctl_func) (fd, request, wdioctl); + wdheader->size = sizeof(WD_TRANSFER); + request = TRANSFER; + wdheader->data = tr + i; +#endif + ret = pp_transfer(tr + i, fd, request, wdioctl); + } + +#ifndef NO_WINDRVR + wdheader->data = tr; #endif + + return ret; + } break; case EVENT_UNREGISTER: @@ -570,9 +766,26 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { 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: @@ -655,7 +868,7 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { return ret; } -int ioctl(int fd, int request, ...) { +int ioctl(int fd, unsigned long int request, ...) { va_list args; void *argp; int ret; @@ -736,19 +949,32 @@ 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); - 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; } @@ -756,6 +982,7 @@ 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; @@ -763,11 +990,16 @@ char *fgets(char *s, int size, FILE *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++; } + } 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); } @@ -784,6 +1016,10 @@ int fclose(FILE *fp) { if (fp == modulesfp) { modulesfp = NULL; } + + if (fp == baseaddrfp) { + baseaddrfp = NULL; + } return (*func)(fp); }