patch-2.4.0-test6 linux/arch/sh/kernel/io.c

• Lines: 203
• Date: Wed Aug 9 13:59:04 2000
• Orig file: v2.4.0-test5/linux/arch/sh/kernel/io.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.0-test5/linux/arch/sh/kernel/io.c linux/arch/sh/kernel/io.c
@@ -0,0 +1,202 @@
+/*
+ * linux/arch/sh/kernel/io_generic.c
+ *
+ * Copyright (C) 2000  Stuart Menefy
+ *
+ * Provide real functions which expand to whatever the header file defined.
+ * Also definitions of machine independant IO functions.
+ */
+
+#include <linux/config.h>
+#include <asm/io.h>
+
+unsigned int _inb(unsigned long port)
+{
+	return __inb(port);
+}
+
+unsigned int _inw(unsigned long port)
+{
+	return __inw(port);
+}
+
+unsigned int _inl(unsigned long port)
+{
+	return __inl(port);
+}
+
+void _outb(unsigned char b, unsigned long port)
+{
+	__outb(b, port);
+}
+
+void _outw(unsigned short b, unsigned long port)
+{
+	__outw(b, port);
+}
+
+void _outl(unsigned int b, unsigned long port)
+{
+	__outl(b, port);
+}
+
+unsigned int _inb_p(unsigned long port)
+{
+	return __inb_p(port);
+}
+
+unsigned int _inw_p(unsigned long port)
+{
+	return __inw_p(port);
+}
+
+void _outb_p(unsigned char b, unsigned long port)
+{
+	__outb_p(b, port);
+}
+
+void _outw_p(unsigned short b, unsigned long port)
+{
+	__outw_p(b, port);
+}
+
+void _insb(unsigned long port, void *buffer, unsigned long count)
+{
+	return __insb(port, buffer, count);
+}
+
+void _insw(unsigned long port, void *buffer, unsigned long count)
+{
+	__insw(port, buffer, count);
+}
+
+void _insl(unsigned long port, void *buffer, unsigned long count)
+{
+	__insl(port, buffer, count);
+}
+
+void _outsb(unsigned long port, const void *buffer, unsigned long count)
+{
+	__outsb(port, buffer, count);
+}
+
+void _outsw(unsigned long port, const void *buffer, unsigned long count)
+{
+	__outsw(port, buffer, count);
+}
+
+void _outsl(unsigned long port, const void *buffer, unsigned long count)
+{
+	__outsl(port, buffer, count);
+
+}
+
+unsigned long ___raw_readb(unsigned long addr)
+{
+	return __readb(addr);
+}
+
+unsigned long ___raw_readw(unsigned long addr)
+{
+	return __readw(addr);
+}
+
+unsigned long ___raw_readl(unsigned long addr)
+{
+	return __readl(addr);
+}
+
+unsigned long _readb(unsigned long addr)
+{
+	unsigned long r = __readb(addr);
+	mb();
+	return r;
+}
+
+unsigned long _readw(unsigned long addr)
+{
+	unsigned long r = __readw(addr);
+	mb();
+	return r;
+}
+
+unsigned long _readl(unsigned long addr)
+{
+	unsigned long r = __readl(addr);
+	mb();
+	return r;
+}
+
+void ___raw_writeb(unsigned char b, unsigned long addr)
+{
+	__writeb(b, addr);
+}
+
+void ___raw_writew(unsigned short b, unsigned long addr)
+{
+	__writew(b, addr);
+}
+
+void ___raw_writel(unsigned int b, unsigned long addr)
+{
+	__writel(b, addr);
+}
+
+void _writeb(unsigned char b, unsigned long addr)
+{
+	__writeb(b, addr);
+	mb();
+}
+
+void _writew(unsigned short b, unsigned long addr)
+{
+	__writew(b, addr);
+	mb();
+}
+
+void _writel(unsigned int b, unsigned long addr)
+{
+	__writel(b, addr);
+	mb();
+}
+
+/*
+ * Copy data from IO memory space to "real" memory space.
+ * This needs to be optimized.
+ */
+void  memcpy_fromio(void * to, unsigned long from, unsigned long count)
+{
+        while (count) {
+                count--;
+                *(char *) to = readb(from);
+                ((char *) to)++;
+                from++;
+        }
+}
+ 
+/*
+ * Copy data from "real" memory space to IO memory space.
+ * This needs to be optimized.
+ */
+void  memcpy_toio(unsigned long to, const void * from, unsigned long count)
+{
+        while (count) {
+                count--;
+                writeb(*(char *) from, to);
+                ((char *) from)++;
+                to++;
+        }
+}
+ 
+/*
+ * "memset" on IO memory space.
+ * This needs to be optimized.
+ */
+void  memset_io(unsigned long dst, int c, unsigned long count)
+{
+        while (count) {
+                count--;
+                writeb(c, dst);
+                dst++;
+        }
+}