static inline void check_ioclear(void)
{
if (ioready()) {
do {
(void) readl(bus_xfer);
DELAY();
} while (ioready());
}
}
static inline void check_ioclear(void)
{
if (ioready()) {
pr_debug("ioclear: initially busy\n");
do {
(void) readl(bus_xfer);
DELAY();
} while (ioready());
pr_debug("ioclear: cleared busy\n");
}
}
long internal_Bconstat( int dev )
{
int fd;
/* Cannot read from printer... (and don't open device for this!) */
if (dev == BIOS_DEV_PRT)
return 0;
if ((fd = get_biosdev_fd( dev, 1 )) < 0)
return 0; /* open error -> no char available */
return ioready( fd, O_RDONLY );
}
long internal_Bcostat( int dev )
{
int fd;
/* MIDI and IKBD are swapped for this function! */
if (dev == BIOS_DEV_MIDI)
dev = BIOS_DEV_IKBD;
else if (dev == BIOS_DEV_IKBD)
dev = BIOS_DEV_MIDI;
if ((fd = get_biosdev_fd( dev, 0 )) < 0)
return 0; /* open error -> cannot send */
return ioready( fd, O_WRONLY );
}
static inline void wait_ioclear(void)
{
do { } while (ioready());
}
static inline void wait_ioready(void)
{
do { } while (!ioready());
}
