patch-2.3.48 linux/arch/mips64/lib/ide-std.c

• Lines: 104
• Date: Thu Feb 24 22:53:35 2000
• Orig file: v2.3.47/linux/arch/mips64/lib/ide-std.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.47/linux/arch/mips64/lib/ide-std.c linux/arch/mips64/lib/ide-std.c
@@ -0,0 +1,103 @@
+/* $Id: ide-std.c,v 1.2 1999/12/04 03:59:00 ralf Exp $
+ *
+ * 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, 1999 by Ralf Baechle
+ */
+#include <linux/sched.h>
+#include <linux/ide.h>
+#include <linux/ioport.h>
+#include <linux/hdreg.h>
+#include <asm/ptrace.h>
+#include <asm/hdreg.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;
+		case 0x1e0: return 8;
+		case 0x160: return 12;
+		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;
+		case 4: return 0x1e0;
+		case 5: return 0x160;
+		default:
+			return 0;
+	}
+}
+
+static void std_ide_init_hwif_ports (hw_regs_t *hw, ide_ioreg_t data_port,
+                                     ide_ioreg_t ctrl_port, int *irq)
+{
+	ide_ioreg_t reg = data_port;
+	int i;
+
+	for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
+		hw->io_ports[i] = reg;
+		reg += 1;
+	}
+	if (ctrl_port) {
+		hw->io_ports[IDE_CONTROL_OFFSET] = ctrl_port;
+	} else {
+		hw->io_ports[IDE_CONTROL_OFFSET] = hw->io_ports[IDE_DATA_OFFSET] + 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
+};