patch-2.1.19 linux/include/asm-sparc64/io.h

• Lines: 63
• Date: Mon Dec 30 12:00:03 1996
• Orig file: v2.1.18/linux/include/asm-sparc64/io.h
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v2.1.18/linux/include/asm-sparc64/io.h linux/include/asm-sparc64/io.h
@@ -0,0 +1,62 @@
+/* $Id: io.h,v 1.1 1996/12/26 13:25:21 davem Exp $ */
+#ifndef __SPARC64_IO_H
+#define __SPARC64_IO_H
+
+#include <linux/kernel.h>
+
+#include <asm/page.h>      /* IO address mapping routines need this */
+#include <asm/system.h>
+
+extern void sun4c_mapioaddr(unsigned long, unsigned long, int bus_type, int rdonly);
+extern void srmmu_mapioaddr(unsigned long, unsigned long, int bus_type, int rdonly);
+
+extern __inline__ void mapioaddr(unsigned long physaddr, unsigned long virt_addr,
+				 int bus, int rdonly)
+{
+	switch(sparc_cpu_model) {
+	case sun4c:
+		sun4c_mapioaddr(physaddr, virt_addr, bus, rdonly);
+		break;
+	case sun4m:
+	case sun4d:
+	case sun4e:
+		srmmu_mapioaddr(physaddr, virt_addr, bus, rdonly);
+		break;
+	default:
+		printk("mapioaddr: Trying to map IO space for unsupported machine.\n");
+		printk("mapioaddr: sparc_cpu_model = %d\n", sparc_cpu_model);
+		printk("mapioaddr: Halting...\n");
+		halt();
+	};
+	return;
+}
+
+extern void srmmu_unmapioaddr(unsigned long virt);
+extern void sun4c_unmapioaddr(unsigned long virt);
+
+extern __inline__ void unmapioaddr(unsigned long virt_addr)
+{
+	switch(sparc_cpu_model) {
+	case sun4c:
+		sun4c_unmapioaddr(virt_addr);
+		break;
+	case sun4m:
+	case sun4d:
+	case sun4e:
+		srmmu_unmapioaddr(virt_addr);
+		break;
+	default:
+		printk("unmapioaddr: sparc_cpu_model = %d, halt...\n", sparc_cpu_model);
+		halt();
+	};
+	return;
+}
+
+extern void *sparc_alloc_io (void *, void *, int, char *, int, int);
+extern void sparc_free_io (void *, int);
+extern void *sparc_dvma_malloc (int, char *);
+
+#define virt_to_phys(x) __pa((unsigned long)(x))
+#define phys_to_virt(x) __va((unsigned long)(x))
+
+#endif /* !(__SPARC64_IO_H) */