patch-2.1.101 linux/arch/mips/lib/ide-std.c

• Lines: 92
• Date: Fri May 8 00:13:24 1998
• Orig file: v2.1.100/linux/arch/mips/lib/ide-std.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.100/linux/arch/mips/lib/ide-std.c linux/arch/mips/lib/ide-std.c
@@ -0,0 +1,91 @@
+/*
+ * include/asm-mips/types.h
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * IDE routines for typical pc-like standard configurations.
+ *
+ * Copyright (C) 1998 by Ralf Baechle
+ */
+#include <linux/hdreg.h>
+#include <asm/ptrace.h>
+#include <asm/ide.h>
+
+static int std_ide_default_irq(ide_ioreg_t base)
+{
+	switch (base) {
+		case 0x1f0: return 14;
+		case 0x170: return 15;
+		case 0x1e8: return 11;
+		case 0x168: return 10;
+		default:
+			return 0;
+	}
+}
+
+static ide_ioreg_t std_ide_default_io_base(int index)
+{
+	switch (index) {
+		case 0:	return 0x1f0;
+		case 1:	return 0x170;
+		case 2: return 0x1e8;
+		case 3: return 0x168;
+		default:
+			return 0;
+	}
+}
+
+static void std_ide_init_hwif_ports(ide_ioreg_t *p, ide_ioreg_t base,
+                                     int *irq)
+{
+	ide_ioreg_t port = base;
+	int i = 8;
+
+	while (i--)
+		*p++ = port++;
+	*p++ = base + 0x206;
+	if (irq != NULL)
+		*irq = 0;
+}
+
+static int std_ide_request_irq(unsigned int irq,
+                                void (*handler)(int,void *, struct pt_regs *),
+                                unsigned long flags, const char *device,
+                                void *dev_id)
+{
+	return request_irq(irq, handler, flags, device, dev_id);
+}			
+
+static void std_ide_free_irq(unsigned int irq, void *dev_id)
+{
+	free_irq(irq, dev_id);
+}
+
+static int std_ide_check_region(ide_ioreg_t from, unsigned int extent)
+{
+	return check_region(from, extent);
+}
+
+static void std_ide_request_region(ide_ioreg_t from, unsigned int extent,
+                                    const char *name)
+{
+	request_region(from, extent, name);
+}
+
+static void std_ide_release_region(ide_ioreg_t from, unsigned int extent)
+{
+	release_region(from, extent);
+}
+
+struct ide_ops std_ide_ops = {
+	&std_ide_default_irq,
+	&std_ide_default_io_base,
+	&std_ide_init_hwif_ports,
+	&std_ide_request_irq,
+	&std_ide_free_irq,
+	&std_ide_check_region,
+	&std_ide_request_region,
+	&std_ide_release_region
+};