static int __init nwbutton_init(void)
{
if (!machine_is_netwinder())
return -ENODEV;
printk (KERN_INFO "NetWinder Button Driver Version %s (C) Alex Holden "
"<*****@*****.**> 1998.\n", VERSION);
if (misc_register (&button_misc_device)) {
printk (KERN_WARNING "nwbutton: Couldn't register device 10, "
"%d.\n", BUTTON_MINOR);
return -EBUSY;
}
if (request_irq (IRQ_NETWINDER_BUTTON, button_handler, IRQF_DISABLED,
"nwbutton", NULL)) {
printk (KERN_WARNING "nwbutton: IRQ %d is not free.\n",
IRQ_NETWINDER_BUTTON);
misc_deregister (&button_misc_device);
return -EIO;
}
return 0;
}
static int wdt977_set_timeout(int t)
{
int tmrval;
/* */
tmrval = (t + 59) / 60;
if (machine_is_netwinder()) {
/*
*/
tmrval += tmrval;
}
if (tmrval < 1 || tmrval > 255)
return -EINVAL;
/*
*/
timeout = t;
timeoutM = tmrval;
return 0;
}
static int wdt977_set_timeout(int t)
{
int tmrval;
/* convert seconds to minutes, rounding up */
tmrval = (t + 59) / 60;
if (machine_is_netwinder()) {
/* we have a hw bug somewhere, so each 977 minute is actually
* only 30sec. This limits the max timeout to half of device
* max of 255 minutes...
*/
tmrval += tmrval;
}
if (tmrval < 1 || tmrval > 255)
return -EINVAL;
/* timeout is the timeout in seconds, timeoutM is
the timeout in minutes) */
timeout = t;
timeoutM = tmrval;
return 0;
}
static void dc21285_write32(struct map_info *map, map_word d, unsigned long adr)
{
if (machine_is_netwinder())
nw_en_write();
*(uint32_t*)(map->map_priv_1 + adr) = d.x[0];
}
void __init isa_init_irq(unsigned int host_irq)
{
unsigned int irq;
/*
* Setup, and then probe for an ISA PIC
* If the PIC is not there, then we
* ignore the PIC.
*/
outb(0x11, PIC_LO);
outb(_ISA_IRQ(0), PIC_MASK_LO); /* IRQ number */
outb(0x04, PIC_MASK_LO); /* Slave on Ch2 */
outb(0x01, PIC_MASK_LO); /* x86 */
outb(0xf5, PIC_MASK_LO); /* pattern: 11110101 */
outb(0x11, PIC_HI);
outb(_ISA_IRQ(8), PIC_MASK_HI); /* IRQ number */
outb(0x02, PIC_MASK_HI); /* Slave on Ch1 */
outb(0x01, PIC_MASK_HI); /* x86 */
outb(0xfa, PIC_MASK_HI); /* pattern: 11111010 */
outb(0x0b, PIC_LO);
outb(0x0b, PIC_HI);
if (inb(PIC_MASK_LO) == 0xf5 && inb(PIC_MASK_HI) == 0xfa) {
outb(0xff, PIC_MASK_LO);/* mask all IRQs */
outb(0xff, PIC_MASK_HI);/* mask all IRQs */
} else {
printk(KERN_INFO "IRQ: ISA PIC not found\n");
host_irq = (unsigned int)-1;
}
if (host_irq != (unsigned int)-1) {
for (irq = _ISA_IRQ(0); irq < _ISA_IRQ(8); irq++) {
irq_set_chip_and_handler(irq, &isa_lo_chip,
handle_level_irq);
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
}
for (irq = _ISA_IRQ(8); irq < _ISA_IRQ(16); irq++) {
irq_set_chip_and_handler(irq, &isa_hi_chip,
handle_level_irq);
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
}
request_resource(&ioport_resource, &pic1_resource);
request_resource(&ioport_resource, &pic2_resource);
setup_irq(IRQ_ISA_CASCADE, &irq_cascade);
irq_set_chained_handler(host_irq, isa_irq_handler);
/*
* On the NetWinder, don't automatically
* enable ISA IRQ11 when it is requested.
* There appears to be a missing pull-up
* resistor on this line.
*/
if (machine_is_netwinder())
set_irq_flags(_ISA_IRQ(11), IRQF_VALID |
IRQF_PROBE | IRQF_NOAUTOEN);
}
}
static int __init netwinder_pci_init(void)
{
if (machine_is_netwinder())
pci_common_init(&netwinder_pci);
return 0;
}
