-static int logibm_used = 0;
-
-static irqreturn_t logibm_interrupt(int irq, void *dev_id, struct pt_regs *regs);
-
-static int logibm_open(struct input_dev *dev)
-{
- if (logibm_used++)
- return 0;
- if (request_irq(logibm_irq, logibm_interrupt, 0, "logibm", NULL)) {
- logibm_used--;
- printk(KERN_ERR "logibm.c: Can't allocate irq %d\n", logibm_irq);
- return -EBUSY;
- }
- outb(LOGIBM_ENABLE_IRQ, LOGIBM_CONTROL_PORT);
- return 0;
-}
-
-static void logibm_close(struct input_dev *dev)
-{
- if (--logibm_used)
- return;
- outb(LOGIBM_DISABLE_IRQ, LOGIBM_CONTROL_PORT);
- free_irq(logibm_irq, NULL);
-}
-
-static struct input_dev logibm_dev = {
- .evbit = { BIT(EV_KEY) | BIT(EV_REL) },
- .keybit = { [LONG(BTN_LEFT)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT) },
- .relbit = { BIT(REL_X) | BIT(REL_Y) },
- .open = logibm_open,
- .close = logibm_close,
- .name = "Logitech bus mouse",
- .phys = "isa023c/input0",
- .id = {
- .bustype = BUS_ISA,
- .vendor = 0x0003,
- .product = 0x0001,
- .version = 0x0100,
- },
-};