1 files changed, 70 insertions, 0 deletions
diff --git a/sys/dev/ic/smc93cx6var.h b/sys/dev/ic/smc93cx6var.h
new file mode 100644
index 00000000000..d1c7c0162cc
--- /dev/null
+++ b/sys/dev/ic/smc93cx6var.h
@@ -0,0 +1,70 @@
+/*
+ * Interface to the 93C46 serial EEPROM that is used to store BIOS
+ * settings for the aic7xxx based adaptec SCSI controllers.  It can
+ * also be used for 93C26 and 93C06 serial EEPROMS.
+ *
+ * Copyright (c) 1994, 1995 Justin T. Gibbs.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice immediately at the beginning of the file, without modification,
+ *    this list of conditions, and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Absolutely no warranty of function or purpose is made by the author
+ *    Justin T. Gibbs.
+ * 4. Modifications may be freely made to this file if the above conditions
+ *    are met.
+ *
+ *      $Id: smc93cx6var.h,v 1.1 1996/05/26 00:27:06 deraadt Exp $
+ */
+
+#include <sys/param.h>
+#if !defined(__NetBSD__)
+#include <sys/systm.h>
+#endif
+
+struct seeprom_descriptor {
+#if defined(__FreeBSD__)
+	u_long sd_iobase;
+#elif defined(__NetBSD__)
+	bus_chipset_tag_t sd_bc;
+	bus_io_handle_t sd_ioh;
+	bus_io_size_t sd_offset;
+#endif
+	u_int16_t sd_MS;
+	u_int16_t sd_RDY;
+	u_int16_t sd_CS;
+	u_int16_t sd_CK;
+	u_int16_t sd_DO;
+	u_int16_t sd_DI;
+};
+
+/*
+ * This function will read count 16-bit words from the serial EEPROM and
+ * return their value in buf.  The port address of the aic7xxx serial EEPROM
+ * control register is passed in as offset.  The following parameters are
+ * also passed in:
+ *
+ *   CS  - Chip select
+ *   CK  - Clock
+ *   DO  - Data out
+ *   DI  - Data in
+ *   RDY - SEEPROM ready
+ *   MS  - Memory port mode select
+ *
+ *  A failed read attempt returns 0, and a successful read returns 1.
+ */
+#if defined(__FreeBSD__)
+int read_seeprom __P((struct seeprom_descriptor *sd,
+    u_int16_t *buf, u_int start_addr, int count));
+#elif defined(__NetBSD__)
+int read_seeprom __P((struct seeprom_descriptor *sd,
+    u_int16_t *buf, bus_io_size_t start_addr, bus_io_size_t count));
+#endif
+int acquire_seeprom __P((struct seeprom_descriptor *sd));
+void release_seeprom __P((struct seeprom_descriptor *sd));