patch-2.3.48 linux/include/asm-mips64/ide.h

• Lines: 133
• Date: Thu Feb 24 22:53:35 2000
• Orig file: v2.3.47/linux/include/asm-mips64/ide.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.47/linux/include/asm-mips64/ide.h linux/include/asm-mips64/ide.h
@@ -0,0 +1,132 @@
+/* $Id: ide.h,v 1.1 1999/08/21 22:19:17 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.
+ *
+ *  This file contains the MIPS architecture specific IDE code.
+ *
+ * Copyright (C) 1994-1996  Linus Torvalds & authors
+ */
+
+#ifndef _ASM_IDE_H
+#define _ASM_IDE_H
+
+#ifdef __KERNEL__
+
+#ifndef MAX_HWIFS
+#define MAX_HWIFS	6
+#endif
+
+#define ide__sti()	__sti()
+
+struct ide_ops {
+	int (*ide_default_irq)(ide_ioreg_t base);
+	ide_ioreg_t (*ide_default_io_base)(int index);
+	void (*ide_init_hwif_ports)(hw_regs_t *hw, ide_ioreg_t data_port,
+	                            ide_ioreg_t ctrl_port, int *irq);
+	int (*ide_request_irq)(unsigned int irq, void (*handler)(int, void *,
+	                       struct pt_regs *), unsigned long flags,
+	                       const char *device, void *dev_id);
+	void (*ide_free_irq)(unsigned int irq, void *dev_id);
+	int (*ide_check_region) (ide_ioreg_t from, unsigned int extent);
+	void (*ide_request_region)(ide_ioreg_t from, unsigned int extent,
+	                        const char *name);
+	void (*ide_release_region)(ide_ioreg_t from, unsigned int extent);
+};
+
+extern struct ide_ops *ide_ops;
+
+static inline int
+ide_default_irq(ide_ioreg_t base)
+{
+	return ide_ops->ide_default_irq(base);
+}
+
+static inline ide_ioreg_t
+ide_default_io_base(int index)
+{
+	return ide_ops->ide_default_io_base(index);
+}
+
+static inline void
+ide_init_hwif_ports(hw_regs_t *hw, ide_ioreg_t data_port,
+                    ide_ioreg_t ctrl_port, int *irq)
+{
+	ide_ops->ide_init_hwif_ports(hw, data_port, ctrl_port, &hw->irq);
+
+	hw->irq = ide_ops->ide_default_irq(data_port);
+}
+
+/*
+ * This registers the standard ports for this architecture with the IDE
+ * driver.
+ */
+static inline void ide_init_default_hwifs(void)
+{
+#ifdef __DO_I_NEED_THIS
+	hw_regs_t hw;
+	int index;
+
+	for (index = 0; index < MAX_HWIFS; index++) {
+		ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, 0);
+		hw.irq = ide_default_irq(ide_default_io_base(index));
+		ide_register_hw(&hw, NULL);
+	}
+#endif /* __DO_I_NEED_THIS */
+}
+
+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;
+
+static inline int
+ide_request_irq(unsigned int irq,
+                void (*handler)(int,void *, struct pt_regs *),
+                unsigned long flags, const char *device, void *dev_id)
+{
+	return ide_ops->ide_request_irq(irq, handler, flags, device, dev_id);
+}
+
+static inline void
+ide_free_irq(unsigned int irq, void *dev_id)
+{
+	ide_ops->ide_free_irq(irq, dev_id);
+}
+
+static inline int
+ide_check_region(ide_ioreg_t from, unsigned int extent)
+{
+	return ide_ops->ide_check_region(from, extent);
+}
+
+static inline void
+ide_request_region(ide_ioreg_t from, unsigned int extent, const char *name)
+{
+	ide_ops->ide_request_region(from, extent, name);
+}
+
+static inline void
+ide_release_region(ide_ioreg_t from, unsigned int extent)
+{
+	ide_ops->ide_release_region(from, extent);
+}
+
+/*
+ * The following are not needed for the non-m68k ports
+ */
+#define ide_ack_intr(hwif)		(1)
+#define ide_fix_driveid(id)		do {} while (0)
+#define ide_release_lock(lock)		do {} while (0)
+#define ide_get_lock(lock, hdlr, data)	do {} while (0)
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_IDE_H */