--- a/me8100.h	Thu Jan 17 20:25:34 2002 +0100
+++ b/me8100.h	Fri Jan 18 20:22:52 2002 +0100
@@ -135,6 +135,7 @@
 #define ME8100_CTRL_IRQ_MASK		0x60
 
 #define ME8100_CTRL_REG		       0x00	  //( ,w)
+#define ME8100_MASK_REG		       0x02	  //(r, )
 #define ME8100_DI_REG		       0x04	  //(r, )
 #define ME8100_DO_REG		       0x06	  //( ,w)
 
@@ -171,19 +172,19 @@
 #define LOCAL_INT1_EN             0x01  // local interrupt 1 enabled  (r,w)
 #define LOCAL_INT1_POL            0x02  // local interrupt 1 polarity (r,w)
 #define LOCAL_INT1_STATE          0x04  // local interrupt 1 state    (r, )
+
 #define LOCAL_INT2_EN             0x08  // local interrupt 2 enabled  (r,w)
 #define LOCAL_INT2_POL            0x10  // local interrupt 2 polarity (r,w)
 #define LOCAL_INT2_STATE          0x20  // local interrupt 2 state    (r, )
+
+/* Sould be shifted left by 3 if it's used for device B */
+#define LOCAL_INT_EN		  0x01
+#define LOCAL_INT_POL		  0x02
+#define LOCAL_INT_STATE		  0x04
+
 #define PCI_INT_EN                0x40  // PCI interrupt enable       (r,w)
 #define SOFT_INT                  0x80  // Software interrupt         (r,w)
 
-
-typedef enum {  
-  ME8100_A, 
-  ME8100_B
-} me8100_version_enum_type; 
-
-
 typedef struct{
   int int1;
   int int2;
@@ -191,9 +192,19 @@
 
 #ifdef __KERNEL__
 
+typedef enum {  
+  ME8100_A, 
+  ME8100_B
+} me8100_version_enum_type; 
+
+struct me8100_private_data {
+  unsigned long last_read;		  /* jiffies */
+};
+
 struct me8100_subinfo {
   unsigned int regbase;
   unsigned short ctrl_reg;
+  unsigned long last_change;
   int num_writer;
 };
 
@@ -217,7 +228,6 @@
   int int_count_1;                  /* Count of interrupt 1                  */
   int int_count_2;                  /* Count of interrupt 2                  */
   int board_in_use;                 /* Indicates if board is already in use  */
-  spinlock_t use_lock;              /* Guards board in use                   */
   struct file *file_ptr;            /* Pointer to file structure of path     */
   struct fasync_struct *fasync_ptr; /* .hs */
   struct me8100_subinfo subinfo[2];   /* .hs */