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; }