grml...

[seabios.git] / src / pic.h

diff --git a/src/pic.h b/src/pic.h
index 8775191abf44f9eafa7cf04d36eb49b20c22ff34..c75af3e665d08efffc93db87f4ad5099689cdf14 100644 (file)
--- a/src/pic.h
+++ b/src/pic.h
@@ -3,12 +3,12 @@
 // Copyright (C) 2008  Kevin O'Connor <kevin@koconnor.net>
 // Copyright (C) 2002  MandrakeSoft S.A.
 //
-// This file may be distributed under the terms of the GNU GPLv3 license.
+// This file may be distributed under the terms of the GNU LGPLv3 license.
 #ifndef __PIC_H
 #define __PIC_H
 
 #include "ioport.h" // PORT_PIC*
-#include "util.h" // dprintf
+#include "biosvar.h" // SET_IVT
 
 // PORT_PIC1 bitdefs
 #define PIC1_IRQ0  (1<<0)
@@ -23,14 +23,14 @@
 #define PIC2_IRQ14 (1<<6)
 
 static inline void
-eoi_pic1()
+eoi_pic1(void)
 {
     // Send eoi (select OCW2 + eoi)
     outb(0x20, PORT_PIC1_CMD);
 }
 
 static inline void
-eoi_pic2()
+eoi_pic2(void)
 {
     // Send eoi (select OCW2 + eoi)
     outb(0x20, PORT_PIC2_CMD);
@@ -62,7 +62,7 @@ mask_pic2(u8 irq)
 }
 
 static inline u8
-get_pic1_isr()
+get_pic1_isr(void)
 {
     // 0x0b == select OCW1 + read ISR
     outb(0x0b, PORT_PIC1_CMD);
@@ -70,13 +70,28 @@ get_pic1_isr()
 }
 
 static inline u8
-get_pic2_isr()
+get_pic2_isr(void)
 {
     // 0x0b == select OCW1 + read ISR
     outb(0x0b, PORT_PIC2_CMD);
     return inb(PORT_PIC2_CMD);
 }
 
-void pic_setup();
+static inline void
+enable_hwirq(int hwirq, struct segoff_s func)
+{
+    int vector;
+    if (hwirq < 8) {
+        unmask_pic1(1 << hwirq);
+        vector = 0x08 + hwirq;
+    } else {
+        unmask_pic2(1 << (hwirq - 8));
+        vector = 0x70 + hwirq - 8;
+    }
+    SET_IVT(vector, func);
+}
+
+void set_pics(u8 irq0, u8 irq8);
+void pic_setup(void);
 
 #endif // pic.h