x86: move 8259 defines to i8259.h

[pandora-kernel.git] / include / asm-x86 / i8259.h

diff --git a/include/asm-x86/i8259.h b/include/asm-x86/i8259.h
index 29d8f9a..cabcc6c 100644 (file)
--- a/include/asm-x86/i8259.h
+++ b/include/asm-x86/i8259.h
@@ -3,10 +3,25 @@
 
 extern unsigned int cached_irq_mask;
 
-#define __byte(x,y)            (((unsigned char *) &(y))[x])
+#define __byte(x,y)            (((unsigned char *) &(y))[x])
 #define cached_master_mask     (__byte(0, cached_irq_mask))
 #define cached_slave_mask      (__byte(1, cached_irq_mask))
 
+/* i8259A PIC registers */
+#define PIC_MASTER_CMD         0x20
+#define PIC_MASTER_IMR         0x21
+#define PIC_MASTER_ISR         PIC_MASTER_CMD
+#define PIC_MASTER_POLL                PIC_MASTER_ISR
+#define PIC_MASTER_OCW3                PIC_MASTER_ISR
+#define PIC_SLAVE_CMD          0xa0
+#define PIC_SLAVE_IMR          0xa1
+
+/* i8259A PIC related value */
+#define PIC_CASCADE_IR         2
+#define MASTER_ICW4_DEFAULT    0x01
+#define SLAVE_ICW4_DEFAULT     0x01
+#define PIC_ICW4_AEOI          2
+
 extern spinlock_t i8259A_lock;
 
 extern void init_8259A(int auto_eoi);