static int __init lirc_parallel_init(void)
{
pport = parport_find_base(io);
if (pport == NULL) {
printk(KERN_NOTICE "%s: no port at %x found\n",
LIRC_DRIVER_NAME, io);
return -ENXIO;
}
ppdevice = parport_register_device(pport, LIRC_DRIVER_NAME,
pf, kf, irq_handler, 0, NULL);
parport_put_port(pport);
if (ppdevice == NULL) {
printk(KERN_NOTICE "%s: parport_register_device() failed\n",
LIRC_DRIVER_NAME);
return -ENXIO;
}
if (parport_claim(ppdevice) != 0)
goto skip_init;
is_claimed = 1;
out(LIRC_LP_CONTROL, LP_PSELECP|LP_PINITP);
#ifdef LIRC_TIMER
if (debug)
out(LIRC_PORT_DATA, tx_mask);
timer = init_lirc_timer();
#if 0 /* continue even if device is offline */
if (timer == 0) {
is_claimed = 0;
parport_release(pport);
parport_unregister_device(ppdevice);
return -EIO;
}
#endif
if (debug)
out(LIRC_PORT_DATA, 0);
#endif
is_claimed = 0;
parport_release(ppdevice);
skip_init:
driver.minor = lirc_register_driver(&driver);
if (driver.minor < 0) {
printk(KERN_NOTICE "%s: register_chrdev() failed\n",
LIRC_DRIVER_NAME);
parport_unregister_device(ppdevice);
return -EIO;
}
printk(KERN_INFO "%s: installed using port 0x%04x irq %d\n",
LIRC_DRIVER_NAME, io, irq);
return 0;
}
static int pcan_dongle_probe(struct pcandev *dev) // probe for type
{
struct parport *p;
DPRINTK(KERN_DEBUG "%s: pcan_dongle_probe() - PARPORT_SUBSYSTEM\n", DEVICE_NAME);
// probe does not probe for the sja1000 device here - this is done at sja1000_open()
p = parport_find_base(dev->port.dng.dwPort);
if (!p)
{
DPRINTK(KERN_DEBUG "found no parport\n");
return -ENXIO;
}
else
{
// register my device at the parport in no realtime
PARPORT_REGISTER_DEVICE();
}
return 0;
}
static int __init ks0108_init(void)
{
int result;
int ret = -EINVAL;
ks0108_parport = parport_find_base(ks0108_port);
if (ks0108_parport == NULL) {
printk(KERN_ERR KS0108_NAME ": ERROR: "
"parport didn't find %i port\n", ks0108_port);
goto none;
}
ks0108_pardevice = parport_register_device(ks0108_parport, KS0108_NAME,
NULL, NULL, NULL, PARPORT_DEV_EXCL, NULL);
if (ks0108_pardevice == NULL) {
printk(KERN_ERR KS0108_NAME ": ERROR: "
"parport didn't register new device\n");
goto none;
}
result = parport_claim(ks0108_pardevice);
if (result != 0) {
printk(KERN_ERR KS0108_NAME ": ERROR: "
"can't claim %i parport, maybe in use\n", ks0108_port);
ret = result;
goto registered;
}
ks0108_inited = 1;
return 0;
registered:
parport_unregister_device(ks0108_pardevice);
none:
return ret;
}
static int __init lirc_parallel_init(void)
{
int result;
result = platform_driver_register(&lirc_parallel_driver);
if (result) {
pr_notice("platform_driver_register returned %d\n", result);
return result;
}
lirc_parallel_dev = platform_device_alloc(LIRC_DRIVER_NAME, 0);
if (!lirc_parallel_dev) {
result = -ENOMEM;
goto exit_driver_unregister;
}
result = platform_device_add(lirc_parallel_dev);
if (result)
goto exit_device_put;
pport = parport_find_base(io);
if (pport == NULL) {
pr_notice("no port at %x found\n", io);
result = -ENXIO;
goto exit_device_put;
}
ppdevice = parport_register_device(pport, LIRC_DRIVER_NAME,
pf, kf, lirc_lirc_irq_handler, 0,
NULL);
parport_put_port(pport);
if (ppdevice == NULL) {
pr_notice("parport_register_device() failed\n");
result = -ENXIO;
goto exit_device_put;
}
if (parport_claim(ppdevice) != 0)
goto skip_init;
is_claimed = 1;
out(LIRC_LP_CONTROL, LP_PSELECP|LP_PINITP);
#ifdef LIRC_TIMER
if (debug)
out(LIRC_PORT_DATA, tx_mask);
timer = init_lirc_timer();
#if 0 /* continue even if device is offline */
if (timer == 0) {
is_claimed = 0;
parport_release(pport);
parport_unregister_device(ppdevice);
result = -EIO;
goto exit_device_put;
}
#endif
if (debug)
out(LIRC_PORT_DATA, 0);
#endif
is_claimed = 0;
parport_release(ppdevice);
skip_init:
driver.dev = &lirc_parallel_dev->dev;
driver.minor = lirc_register_driver(&driver);
if (driver.minor < 0) {
pr_notice("register_chrdev() failed\n");
parport_unregister_device(ppdevice);
result = -EIO;
goto exit_device_put;
}
pr_info("installed using port 0x%04x irq %d\n", io, irq);
return 0;
exit_device_put:
platform_device_put(lirc_parallel_dev);
exit_driver_unregister:
platform_driver_unregister(&lirc_parallel_driver);
return result;
}
