patch-2.1.79 linux/include/asm-sparc64/ns87303.h

• Lines: 85
• Date: Mon Jan 12 15:15:58 1998
• Orig file: v2.1.78/linux/include/asm-sparc64/ns87303.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.78/linux/include/asm-sparc64/ns87303.h linux/include/asm-sparc64/ns87303.h
@@ -0,0 +1,84 @@
+/* $Id: ns87303.h,v 1.1 1997/10/14 13:30:37 ecd Exp $
+ * ns87303.h: Configuration Register Description for the
+ *            National Semiconductor PC87303 (SuperIO).
+ *
+ * Copyright (C) 1997  Eddie C. Dost  (ecd@skynet.be)
+ */
+
+#ifndef _SPARC_NS87303_H
+#define _SPARC_NS87303_H 1
+
+/*
+ * Controll Register Index Values
+ */
+#define FER	0x00
+#define FAR	0x01
+#define PTR	0x02
+#define FCR	0x03
+#define PCR	0x04
+#define KRR	0x05
+#define PMC	0x06
+#define TUP	0x07
+#define SID	0x08
+#define ASC	0x09
+#define CS0CF0	0x0a
+#define CS0CF1	0x0b
+#define CS1CF0	0x0c
+#define CS1CF1	0x0d
+
+/* Function Address Register (FAR) bits */
+#define FAR_LPT_MASK	0x03
+#define FAR_LPTB	0x00
+#define FAR_LPTA	0x01
+#define FAR_LPTC	0x02
+
+/* Power and Test Register (PTR) bits */
+#define PTR_LPTB_IRQ7	0x08
+#define PTR_LEVEL_IRQ	0x80	/* When not ECP/EPP: Use level IRQ           */
+#define PTR_LPT_REG_DIR	0x80	/* When ECP/EPP: LPT CTR controlls direction */
+				/*               of the parallel port	     */
+
+/* Function Control Register (FCR) bits */
+#define FCR_ZWS_ENA	0x20	/* Enable short host read/write in ECP/EPP   */
+
+/* Printer Controll Register (PCR) bits */
+#define PCR_EPP_ENABLE	0x01
+#define PCR_EPP_IEEE	0x02	/* Enable EPP Version 1.9 (IEEE 1284)        */
+#define PCR_ECP_ENABLE	0x04
+#define PCR_ECP_CLK_ENA	0x08	/* If 0 ECP Clock is stopped on Power down   */
+#define PCR_IRQ_POLAR	0x20	/* If 0 IRQ is level high or negative pulse, */
+				/* if 1 polarity is inverted                 */
+#define PCR_IRQ_ODRAIN	0x40	/* If 1, IRQ is open drain                   */
+
+/* Tape UARTs and Parallel Port Config Register (TUP) bits */
+#define TUP_EPP_TIMO	0x02	/* Enable EPP timeout IRQ                    */
+
+/* Advanced SuperIO Config Register (ASC) bits */
+#define ASC_LPT_IRQ7	0x01	/* Allways use IRQ7 for LPT                  */
+
+#ifdef __KERNEL__
+
+#include <asm/system.h>
+#include <asm/io.h>
+
+static __inline__ void ns87303_writeb(unsigned long port, int index,
+				     unsigned char value)
+{
+	unsigned long flags;
+
+	save_flags(flags); cli();
+	outb(index, port);
+	outb(value, port + 1);
+	outb(value, port + 1);
+	restore_flags(flags);
+}
+
+static __inline__ unsigned char ns87303_readb(unsigned long port, int index)
+{
+	outb(index, port);
+	return inb(port + 1);
+}
+
+#endif /* __KERNEL__ */
+
+#endif /* !(_SPARC_NS87303_H) */