patch-2.4.19 linux-2.4.19/include/asm-ppc64/ide.h

• Lines: 83
• Date: Fri Aug 2 17:39:45 2002
• Orig file: linux-2.4.18/include/asm-ppc64/ide.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/include/asm-ppc64/ide.h linux-2.4.19/include/asm-ppc64/ide.h
@@ -0,0 +1,82 @@
+/*
+ *  linux/include/asm-ppc/ide.h
+ *
+ *  Copyright (C) 1994-1996 Linus Torvalds & authors
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */ 
+
+/*
+ *  This file contains the ppc64 architecture specific IDE code.
+ */
+
+#ifndef __ASMPPC64_IDE_H
+#define __ASMPPC64_IDE_H
+
+#ifdef __KERNEL__
+
+#ifndef MAX_HWIFS
+#define MAX_HWIFS	4
+#endif
+
+#define ide__sti()	__sti()
+
+void ppc64_ide_fix_driveid(struct hd_driveid *id);
+#define ide_fix_driveid(id)	ppc64_ide_fix_driveid((id))
+
+static __inline__ int ide_default_irq(ide_ioreg_t base) { return 0; }
+static __inline__ ide_ioreg_t ide_default_io_base(int index) { return 0; }
+
+static __inline__ void 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;
+	hw->io_ports[IDE_IRQ_OFFSET] = 0;
+}
+
+static __inline__ void ide_init_default_hwifs(void)
+{
+}
+
+typedef union {
+	unsigned all			: 8;	/* all of the bits together */
+	struct {
+		unsigned head		: 4;	/* always zeros here */
+		unsigned unit		: 1;	/* drive select number, 0 or 1 */
+		unsigned bit5		: 1;	/* always 1 */
+		unsigned lba		: 1;	/* using LBA instead of CHS */
+		unsigned bit7		: 1;	/* always 1 */
+	} b;
+	} select_t;
+
+#define ide_request_irq(irq,hand,flg,dev,id)	request_irq((irq),(hand),(flg),(dev),(id))
+#define ide_free_irq(irq,dev_id)		free_irq((irq), (dev_id))
+#define ide_check_region(from,extent)		check_region((from), (extent))
+#define ide_request_region(from,extent,name)	request_region((from), (extent), (name))
+#define ide_release_region(from,extent)		release_region((from), (extent))
+
+/*
+ * The following are not needed for the non-m68k ports
+ */
+#define ide_ack_intr(hwif)		(1)
+#define ide_release_lock(lock)		do {} while (0)
+#define ide_get_lock(lock, hdlr, data)	do {} while (0)
+
+#endif /* __KERNEL__ */
+
+#endif /* __ASMPPC64_IDE_H */