/*
* This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
+ * under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*/
#ifdef __alpha__
# define I8042_KBD_IRQ 1
# define I8042_AUX_IRQ (RTC_PORT(0) == 0x170 ? 9 : 12) /* Jensen is special */
-#elif defined(__ia64__)
-# define I8042_KBD_IRQ isa_irq_to_vector(1)
-# define I8042_AUX_IRQ isa_irq_to_vector(12)
#elif defined(__arm__)
/* defined in include/asm-arm/arch-xxx/irqs.h */
#include <asm/irq.h>
+#elif defined(CONFIG_SUPERH64)
+#include <asm/irq.h>
#else
# define I8042_KBD_IRQ 1
# define I8042_AUX_IRQ 12
#endif
+
/*
* Register numbers.
*/
-#define I8042_COMMAND_REG 0x64
-#define I8042_STATUS_REG 0x64
+#define I8042_COMMAND_REG 0x64
+#define I8042_STATUS_REG 0x64
#define I8042_DATA_REG 0x60
static inline int i8042_read_data(void)
static inline void i8042_write_data(int val)
{
outb(val, I8042_DATA_REG);
- return;
}
static inline void i8042_write_command(int val)
{
outb(val, I8042_COMMAND_REG);
- return;
}
static inline int i8042_platform_init(void)
{
/*
- * On ix86 platforms touching the i8042 data register region can do really
- * bad things. Because of this the region is always reserved on ix86 boxes.
+ * On some platforms touching the i8042 data register region can do really
+ * bad things. Because of this the region is always reserved on such boxes.
*/
-#if !defined(__i386__) && !defined(__sh__) && !defined(__alpha__) && !defined(__x86_64__) && !defined(__mips__)
+#if defined(CONFIG_PPC_MERGE)
+ if (check_legacy_ioport(I8042_DATA_REG))
+ return -ENODEV;
+#endif
+#if !defined(__sh__) && !defined(__alpha__) && !defined(__mips__)
if (!request_region(I8042_DATA_REG, 16, "i8042"))
- return -1;
+ return -EBUSY;
#endif
-#if !defined(__i386__) && !defined(__x86_64__)
- i8042_reset = 1;
-#endif
+ i8042_reset = 1;
return 0;
}
static inline void i8042_platform_exit(void)
{
-#if !defined(__i386__) && !defined(__sh__) && !defined(__alpha__) && !defined(__x86_64__)
+#if !defined(__sh__) && !defined(__alpha__)
release_region(I8042_DATA_REG, 16);
#endif
}