}
return got;
}
- if ((flags & PARPORT_EPP_FAST) && (length > 1)) {
- if (!(((long)buf | length) & 0x03))
+ if ((length > 1) && ((flags & PARPORT_EPP_FAST_32)
+ || flags & PARPORT_EPP_FAST_16
+ || flags & PARPORT_EPP_FAST_8)) {
+ if ((flags & PARPORT_EPP_FAST_32)
+ && !(((long)buf | length) & 0x03))
insl(EPPDATA(port), buf, (length >> 2));
+ else if ((flags & PARPORT_EPP_FAST_16)
+ && !(((long)buf | length) & 0x01))
+ insw(EPPDATA(port), buf, length >> 1);
else
insb(EPPDATA(port), buf, length);
if (inb(STATUS(port)) & 0x01) {
{
size_t written = 0;
- if ((flags & PARPORT_EPP_FAST) && (length > 1)) {
- if (!(((long)buf | length) & 0x03))
+ if ((length > 1) && ((flags & PARPORT_EPP_FAST_32)
+ || flags & PARPORT_EPP_FAST_16
+ || flags & PARPORT_EPP_FAST_8)) {
+ if ((flags & PARPORT_EPP_FAST_32)
+ && !(((long)buf | length) & 0x03))
outsl(EPPDATA(port), buf, (length >> 2));
+ else if ((flags & PARPORT_EPP_FAST_16)
+ && !(((long)buf | length) & 0x01))
+ outsw(EPPDATA(port), buf, length >> 1);
else
outsb(EPPDATA(port), buf, length);
if (inb(STATUS(port)) & 0x01) {
/* Flags for block transfer operations. */
#define PARPORT_EPP_FAST (1<<0) /* Unreliable counts. */
#define PARPORT_W91284PIC (1<<1) /* have a Warp9 w91284pic in the device */
+#define PARPORT_EPP_FAST_32 PARPORT_EPP_FAST /* 32-bit EPP transfers */
+#define PARPORT_EPP_FAST_16 (1<<2) /* 16-bit EPP transfers */
+#define PARPORT_EPP_FAST_8 (1<<3) /* 8-bit EPP transfers */
/* The rest is for the kernel only */
#endif /* _UAPI_PARPORT_H_ */