From 5e3d963bcb6112d798f674b876b167c633ff6b59 Mon Sep 17 00:00:00 2001 From: michael Date: Mon, 30 Apr 2007 09:23:32 +0000 Subject: [PATCH] unify parallel and jtagkey interface --- Makefile | 8 +-- config.h | 1 + jtagkey.c | 24 +++++-- jtagkey.h | 4 +- parport.c | 168 ++++++++++++++++++++++++++++++++++++++++++++ parport.h | 3 + usb-driver.c | 193 ++++++--------------------------------------------- 7 files changed, 217 insertions(+), 184 deletions(-) create mode 100644 parport.c create mode 100644 parport.h diff --git a/Makefile b/Makefile index cc2de3e..21cb565 100644 --- 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) diff --git a/config.h b/config.h index 1cacd06..f238e3b 100644 --- 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); diff --git a/jtagkey.c b/jtagkey.c index 2490b31..dec0b81 100644 --- a/jtagkey.c +++ b/jtagkey.c @@ -2,6 +2,7 @@ #include #include #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) { diff --git a/jtagkey.h b/jtagkey.h index 59a32e2..2c13260 100644 --- 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 index 0000000..9cf35cd --- /dev/null +++ b/parport.c @@ -0,0 +1,168 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#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 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); diff --git a/usb-driver.c b/usb-driver.c index b39c4fc..f2f8477 100644 --- a/usb-driver.c +++ b/usb-driver.c @@ -39,17 +39,15 @@ #include #include #include -#include -#include #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; -- 2.39.2