jackcartersmith/xilinx-usb-driver
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pass MULTI_TRANSFER to jtagkey_transfer, so it can be optimized there

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(which will hopefully increase performance by much)
This commit is contained in:
michael 2007-04-29 00:58:10 +00:00
parent bccac33bca
commit 1dac51954a
1 changed files with 26 additions and 24 deletions
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50
usb-driver.c
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@ -238,18 +238,12 @@ int usb_deviceinfo(unsigned char *buf) {
return len;
}
int pp_transfer(WD_TRANSFER *tr, int fd, unsigned int request, unsigned char *wdioctl) {
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;
#ifdef JTAGKEY
/* FIXME: Config file and mor intelligent mapping! */
if (ppbase == 0x30)
return jtagkey_transfer(tr, fd, request, ppbase, ecpbase, 1);
#endif
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);
@ -261,9 +255,6 @@ int pp_transfer(WD_TRANSFER *tr, int fd, unsigned int request, unsigned char *wd
DPRINTF("write byte: %d\n", val);
#endif
#ifndef NO_WINDRVR
ret = (*ioctl_func) (fd, request, wdioctl);
#else
if (parportfd < 0)
return ret;
@ -335,7 +326,6 @@ int pp_transfer(WD_TRANSFER *tr, int fd, unsigned int request, unsigned char *wd
}
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,
@ -361,7 +351,7 @@ 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: 1.62 $");
strcpy(version->version, "libusb-driver.so $Revision: 1.63 $");
version->versionul = 802;
DPRINTF("VERSION\n");
break;
@ -715,7 +705,18 @@ int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
{
WD_TRANSFER *tr = (WD_TRANSFER*)(wdheader->data);
ret = pp_transfer(tr, fd, request, wdioctl);
#ifndef NO_WINDRVR
ret = (*ioctl_func) (fd, request, wdioctl);
#else
#ifdef JTAGKEY
if (ppbase == 0x30) {
ret = jtagkey_transfer(tr, fd, request, ppbase, ecpbase, 1);
break;
}
#endif /* JTAGKEY */
ret = pp_transfer(tr, fd, request);
#endif
}
break;
@ -726,22 +727,23 @@ 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
#ifdef JTAGKEY
/* FIXME: Config file and mor intelligent mapping! */
if (ppbase == 0x30) {
ret = jtagkey_transfer(tr, fd, request, ppbase, ecpbase, num);
break;
}
#endif /* JTAGKEY */
for (i = 0; i < num; i++) {
DPRINTF("Transfer %d:\n", i+1);
#ifndef NO_WINDRVR
wdheader->size = sizeof(WD_TRANSFER);
request = TRANSFER;
wdheader->data = tr + i;
#endif
ret = pp_transfer(tr + i, fd, request, wdioctl);
ret = pp_transfer(tr + i, fd, request);
}
#ifndef NO_WINDRVR
wdheader->data = tr;
#endif
return ret;
}
break;