Tim Waugh (tim@cyberelk.demon.co.uk)
Tue, 10 Mar 1998 22:46:45 +0000 (GMT)
Hi guys,
Does any of this look right?
Tim.
*/
--- linux/drivers/misc/parport_pc.c~ Sat Mar 7 14:51:32 1998
+++ linux/drivers/misc/parport_pc.c Tue Mar 10 22:05:05 1998
@@ -134,12 +134,12 @@
void parport_pc_write_fifo(struct parport *p, unsigned char v)
{
- /* FIXME */
+ outb (v, p->base+CONFIGA);
}
unsigned char parport_pc_read_fifo(struct parport *p)
{
- return 0; /* FIXME */
+ return inb (p->base+CONFIGA);
}
void parport_pc_disable_irq(struct parport *p)
@@ -186,22 +186,34 @@
size_t parport_pc_epp_read_block(struct parport *p, void *buf, size_t length)
{
- return 0; /* FIXME */
+ size_t got = 0;
+ for (; got < length; got++) {
+ *buf++ = inb (p->base+EPPREG);
+ if (inb (p->base+STATUS) & 0x01)
+ break;
+ }
+ return got;
}
size_t parport_pc_epp_write_block(struct parport *p, void *buf, size_t length)
{
- return 0; /* FIXME */
+ size_t written = 0;
+ for (; written < length; written++) {
+ outb (*buf++, p->base+EPPREG);
+ if (inb (p->base+STATUS) & 0x01)
+ break;
+ }
+ return written;
}
int parport_pc_ecp_read_block(struct parport *p, void *buf, size_t length, void (*fn)(struct parport *, void *, size_t), void *handle)
{
- return 0; /* FIXME */
+ return -ENOSYS; /* FIXME */
}
int parport_pc_ecp_write_block(struct parport *p, void *buf, size_t length, void (*fn)(struct parport *, void *, size_t), void *handle)
{
- return 0; /* FIXME */
+ return -ENOSYS; /* FIXME */
}
int parport_pc_examine_irq(struct parport *p)
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This archive was generated by hypermail 2.0b3 on Wed 30 Dec 1998 - 10:17:32 EST