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Diffstat (limited to '2003/i/buzz/src/kernel/pbus.h')
-rw-r--r--2003/i/buzz/src/kernel/pbus.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/2003/i/buzz/src/kernel/pbus.h b/2003/i/buzz/src/kernel/pbus.h
new file mode 100644
index 0000000..7b11499
--- /dev/null
+++ b/2003/i/buzz/src/kernel/pbus.h
@@ -0,0 +1,24 @@
+#ifndef _PBUS_H_
+#define _PBUS_H_
+
+#include <sys/ioctl.h>
+
+struct pbus_io
+{
+ unsigned char addr; /* Address */
+ unsigned char data; /* Data */
+ unsigned char ints; /* IRQ lines */
+};
+
+#define PBUS_DATAMASK 0x00FF
+#define PBUS_ADDRMASK 0x0F00
+#define PBUS_RnW 0x1000
+#define PBUS_CLK 0x2000
+#define PBUS_INTEN 0x4000
+
+#define PBUS_READ _IOWR('R', 1, struct pbus_io)
+#define PBUS_WRITE _IOWR('R', 2, struct pbus_io)
+#define PBUS_INTENABLE _IO('R', 3)
+
+#define CAM_SETFRAMESIZE _IOW('R', 10, unsigned long)
+#endif