patch-2.1.106 linux/drivers/net/hplance.h

• Lines: 32
• Date: Sat Jun 13 13:28:34 1998
• Orig file: v2.1.105/linux/drivers/net/hplance.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.105/linux/drivers/net/hplance.h linux/drivers/net/hplance.h
@@ -0,0 +1,31 @@
+/* Random defines and structures for the HP Lance driver.
+ * Copyright (C) 05/1998 Peter Maydell <pmaydell@chiark.greenend.org.uk>
+ * Based on the Sun Lance driver and the NetBSD HP Lance driver
+ */
+
+/* Registers */
+struct hplance_reg
+{
+        u_char pad0;
+        volatile u_char id;                       /* DIO register: ID byte */
+        u_char pad1;
+        volatile u_char status;                   /* DIO register: interrupt enable */
+};
+
+/* Control and status bits for the hplance->status register */
+#define LE_IE 0x80                                /* interrupt enable */
+#define LE_IR 0x40                                /* interrupt requested */
+#define LE_LOCK 0x08                              /* lock status register */
+#define LE_ACK 0x04                               /* ack of lock */
+#define LE_JAB 0x02                               /* loss of tx clock (???) */
+/* We can also extract the IPL from the status register with the standard
+ * DIO_IPL(hplance) macro, or using dio_scodetoipl()
+ */
+
+/* These are the offsets for the DIO regs (hplance_reg), lance_ioreg,
+ * memory and NVRAM:
+ */
+#define HPLANCE_IDOFF 0                           /* board baseaddr, struct hplance_reg */
+#define HPLANCE_REGOFF 0x4000                     /* struct lance_regs */
+#define HPLANCE_MEMOFF 0x8000                     /* struct lance_init_block */
+#define HPLANCE_NVRAMOFF 0xC008                   /* etheraddress as one *nibble* per byte */