linux/drivers/input/serio/i8042-sparcio.h

117 lines
2.5 KiB
C

#ifndef _I8042_SPARCIO_H
#define _I8042_SPARCIO_H
#include <linux/config.h>
#include <asm/io.h>
#ifdef CONFIG_PCI
#include <asm/oplib.h>
#include <asm/ebus.h>
#endif
static int i8042_kbd_irq = -1;
static int i8042_aux_irq = -1;
#define I8042_KBD_IRQ i8042_kbd_irq
#define I8042_AUX_IRQ i8042_aux_irq
#define I8042_KBD_PHYS_DESC "sparcps2/serio0"
#define I8042_AUX_PHYS_DESC "sparcps2/serio1"
#define I8042_MUX_PHYS_DESC "sparcps2/serio%d"
static void __iomem *kbd_iobase;
#define I8042_COMMAND_REG (kbd_iobase + 0x64UL)
#define I8042_DATA_REG (kbd_iobase + 0x60UL)
static inline int i8042_read_data(void)
{
return readb(kbd_iobase + 0x60UL);
}
static inline int i8042_read_status(void)
{
return readb(kbd_iobase + 0x64UL);
}
static inline void i8042_write_data(int val)
{
writeb(val, kbd_iobase + 0x60UL);
}
static inline void i8042_write_command(int val)
{
writeb(val, kbd_iobase + 0x64UL);
}
#define OBP_PS2KBD_NAME1 "kb_ps2"
#define OBP_PS2KBD_NAME2 "keyboard"
#define OBP_PS2MS_NAME1 "kdmouse"
#define OBP_PS2MS_NAME2 "mouse"
static int __init i8042_platform_init(void)
{
#ifndef CONFIG_PCI
return -ENODEV;
#else
char prop[128];
int len;
len = prom_getproperty(prom_root_node, "name", prop, sizeof(prop));
if (len < 0) {
printk("i8042: Cannot get name property of root OBP node.\n");
return -ENODEV;
}
if (strncmp(prop, "SUNW,JavaStation-1", len) == 0) {
/* Hardcoded values for MrCoffee. */
i8042_kbd_irq = i8042_aux_irq = 13 | 0x20;
kbd_iobase = ioremap(0x71300060, 8);
if (!kbd_iobase)
return -ENODEV;
} else {
struct linux_ebus *ebus;
struct linux_ebus_device *edev;
struct linux_ebus_child *child;
for_each_ebus(ebus) {
for_each_ebusdev(edev, ebus) {
if (!strcmp(edev->prom_name, "8042"))
goto edev_found;
}
}
return -ENODEV;
edev_found:
for_each_edevchild(edev, child) {
if (!strcmp(child->prom_name, OBP_PS2KBD_NAME1) ||
!strcmp(child->prom_name, OBP_PS2KBD_NAME2)) {
i8042_kbd_irq = child->irqs[0];
kbd_iobase =
ioremap(child->resource[0].start, 8);
}
if (!strcmp(child->prom_name, OBP_PS2MS_NAME1) ||
!strcmp(child->prom_name, OBP_PS2MS_NAME2))
i8042_aux_irq = child->irqs[0];
}
if (i8042_kbd_irq == -1 ||
i8042_aux_irq == -1) {
printk("i8042: Error, 8042 device lacks both kbd and "
"mouse nodes.\n");
return -ENODEV;
}
}
i8042_reset = 1;
return 0;
#endif /* CONFIG_PCI */
}
static inline void i8042_platform_exit(void)
{
#ifdef CONFIG_PCI
iounmap(kbd_iobase);
#endif
}
#endif /* _I8042_SPARCIO_H */