void ftape_detach_drive(void)
{
TRACE_FUN(8, "ftape_detach_drive");
TRACE(5, "disabling tape drive and fdc");
ftape_put_drive_to_sleep(drive_type);
fdc_catch_stray_interrupts(1); /* one always comes */
fdc_disable();
fdc_release_irq_and_dma();
TRACE_EXIT;
}
void ftape_detach_drive(void)
{
TRACE_FUN(ft_t_any);
TRACE(ft_t_flow, "disabling tape drive and fdc");
ftape_put_drive_to_sleep(ft_drive_type.wake_up);
fdc_catch_stray_interrupts(1); /* one always comes */
fdc_disable();
fdc_release_irq_and_dma();
fdc_release_regions();
TRACE_EXIT;
}
/* OPEN routine called by kernel-interface code
*/
int _ftape_open(void)
{
TRACE_FUN(8, "_ftape_open");
int result;
static int new_tape = 1;
result = fdc_init();
if (result >= 0) {
result = ftape_activate_drive(&drive_type);
if (result < 0) {
fdc_disable();
fdc_release_irq_and_dma();
} else {
result = ftape_get_drive_status(&new_tape, &no_tape, &write_protected);
if (result < 0) {
ftape_detach_drive();
} else {
if (drive_type.vendor_id == UNKNOWN_VENDOR) {
ftape_log_vendor_id();
}
if (no_tape) {
ftape_offline = 1;
} else if (new_tape) {
ftape_offline = 0;
init_drive_needed = 1;
read_only = 0; /* enable writes again */
}
if (!ftape_offline && init_drive_needed) {
result = ftape_init_drive(&formatted);
if (result >= 0) {
new_tape = 0;
} else {
ftape_detach_drive();
}
}
if (result >= 0) {
clear_history();
}
}
}
}
TRACE_EXIT;
return result;
}