patch-2.1.48 linux/include/asm-ppc/ide.h

• Lines: 154
• Date: Thu Jul 31 13:09:18 1997
• Orig file: v2.1.47/linux/include/asm-ppc/ide.h
• Orig date: Wed Dec 18 00:54:09 1996

diff -u --recursive --new-file v2.1.47/linux/include/asm-ppc/ide.h linux/include/asm-ppc/ide.h
@@ -1,5 +1,5 @@
 /*
- *  linux/include/asm-i386/ide.h
+ *  linux/include/asm-ppc/ide.h
  *
  *  Copyright (C) 1994-1996  Linus Torvalds & authors
  */
@@ -13,7 +13,7 @@
 
 #ifdef __KERNEL__
 
-typedef unsigned short ide_ioreg_t;
+#include <linux/config.h>
 
 #ifndef MAX_HWIFS
 #define MAX_HWIFS	4
@@ -21,11 +21,15 @@
 
 #define ide_sti()	sti()
 
+#ifdef CONFIG_PREP
+
+typedef unsigned short ide_ioreg_t;
+
 static __inline__ int ide_default_irq(ide_ioreg_t base)
 {
 	switch (base) {
-		case 0x1f0: return 14;
-		case 0x170: return 15;
+		case 0x1f0: return 13;
+		case 0x170: return 13;
 		case 0x1e8: return 11;
 		case 0x168: return 10;
 		default:
@@ -66,18 +70,7 @@
 		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 request_irq(irq, handler, flags, device, dev_id);
-}			
-
-static __inline__ void ide_free_irq(unsigned int irq, void *dev_id)
-{
-	free_irq(irq, dev_id);
-}
+} select_t;
 
 static __inline__ int ide_check_region (ide_ioreg_t from, unsigned int extent)
 {
@@ -94,25 +87,91 @@
 	release_region(from, extent);
 }
 
-/*
- * The following are not needed for the non-m68k ports
- */
-static __inline__ int ide_ack_intr (ide_ioreg_t base_port, ide_ioreg_t irq_port)
+#define ide_fix_driveid(id)		do {} while (0)
+
+#endif
+
+#ifdef CONFIG_PMAC
+
+#include <asm/io.h>		/* so we can redefine insw/outsw */
+
+typedef unsigned long ide_ioreg_t;
+
+static __inline__ int ide_default_irq(ide_ioreg_t base)
+{
+	return 0;
+}
+
+extern __inline__ ide_ioreg_t ide_default_io_base(int index)
+{
+	return index;
+}
+
+extern void ide_init_hwif_ports(ide_ioreg_t *p, ide_ioreg_t base, int *irq);
+
+typedef union {
+	unsigned all			: 8;	/* all of the bits together */
+	struct {
+		unsigned bit7		: 1;	/* always 1 */
+		unsigned lba		: 1;	/* using LBA instead of CHS */
+		unsigned bit5		: 1;	/* always 1 */
+		unsigned unit		: 1;	/* drive select number, 0/1 */
+		unsigned head		: 4;	/* always zeros here */
+	} b;
+} select_t;
+
+#undef	SUPPORT_SLOW_DATA_PORTS
+#define	SUPPORT_SLOW_DATA_PORTS	0
+#undef	SUPPORT_VLB_SYNC
+#define SUPPORT_VLB_SYNC	0
+
+static __inline__ int ide_check_region (ide_ioreg_t from, unsigned int extent)
 {
-	return(1);
+	return 0;
 }
 
-static __inline__ void ide_fix_driveid(struct hd_driveid *id)
+static __inline__ void ide_request_region (ide_ioreg_t from, unsigned int extent, const char *name)
 {
 }
 
-static __inline__ void ide_release_lock (int *ide_lock)
+static __inline__ void ide_release_region (ide_ioreg_t from, unsigned int extent)
 {
 }
 
-static __inline__ void ide_get_lock (int *ide_lock, void (*handler)(int, void *, struct pt_regs *), void *data)
+#undef insw
+#undef outsw
+#define insw(port, buf, ns)	ide_insw((port), (buf), (ns))
+#define outsw(port, buf, ns)	ide_outsw((port), (buf), (ns))
+
+void ide_insw(ide_ioreg_t port, void *buf, int ns);
+void ide_outsw(ide_ioreg_t port, void *buf, int ns);
+
+#define ide_fix_driveid(id)	do {			\
+	int nh;						\
+	unsigned short *p = (unsigned short *) id;	\
+	for (nh = SECTOR_WORDS * 2; nh != 0; --nh, ++p)	\
+		*p = (*p << 8) + (*p >> 8);		\
+} while (0)
+
+#endif
+
+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 request_irq(irq, handler, flags, device, dev_id);
+}			
+
+static __inline__ void ide_free_irq(unsigned int irq, void *dev_id)
+{
+	free_irq(irq, dev_id);
 }
+
+/*
+ * The following are not needed for the non-m68k ports
+ */
+#define ide_ack_intr(base, irq)		(1)
+#define ide_release_lock(lock)		do {} while (0)
+#define ide_get_lock(lock, hdlr, data)	do {} while (0)
 
 #endif /* __KERNEL__ */