patch-2.4.20 linux-2.4.20/include/asm-parisc/ide.h

• Lines: 187
• Date: Thu Nov 28 15:53:15 2002
• Orig file: linux-2.4.19/include/asm-parisc/ide.h
• Orig date: Fri Aug 2 17:39:45 2002

diff -urN linux-2.4.19/include/asm-parisc/ide.h linux-2.4.20/include/asm-parisc/ide.h
@@ -5,31 +5,29 @@
  */
 
 /*
- *  This file contains the i386 architecture specific IDE code.
+ *  This file contains the PARISC architecture specific IDE code.
  */
 
-#ifndef __ASMi386_IDE_H
-#define __ASMi386_IDE_H
+#ifndef __ASM_PARISC_IDE_H
+#define __ASM_PARISC_IDE_H
 
 #ifdef __KERNEL__
 
 #include <linux/config.h>
+#include <asm/superio.h>
 
 #ifndef MAX_HWIFS
-#define MAX_HWIFS	10
+#define MAX_HWIFS	2
 #endif
 
-#define ide__sti()	__sti()
-
 static __inline__ int 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;
+#ifdef CONFIG_SUPERIO
+		case 0x1f0: 
+		case 0x170:
+			return superio_get_ide_irq();
+#endif /* CONFIG_SUPERIO */
 		default:
 			return 0;
 	}
@@ -38,12 +36,10 @@
 static __inline__ ide_ioreg_t 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;
+#ifdef CONFIG_SUPERIO 
+		case 0:	return (superio_get_ide_irq() ? 0x1f0 : 0);
+		case 1:	return (superio_get_ide_irq() ? 0x170 : 0);
+#endif /* CONFIG_SUPERIO */
 		default:
 			return 0;
 	}
@@ -65,6 +61,7 @@
 	}
 	if (irq != NULL)
 		*irq = 0;
+	hw->io_ports[IDE_IRQ_OFFSET] = 0;
 }
 
 static __inline__ void ide_init_default_hwifs(void)
@@ -81,43 +78,94 @@
 #endif /* CONFIG_BLK_DEV_IDEPCI */
 }
 
-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;
-
-typedef union {
-	unsigned all			: 8;	/* all of the bits together */
-	struct {
-		unsigned bit0		: 1;
-		unsigned nIEN		: 1;	/* device INTRQ to host */
-		unsigned SRST		: 1;	/* host soft reset bit */
-		unsigned bit3		: 1;	/* ATA-2 thingy */
-		unsigned reserved456	: 3;
-		unsigned HOB		: 1;	/* 48-bit address ordering */
-	} b;
-} control_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))
 
+#define T_CHAR          (0x0000)        /* char:  don't touch  */
+#define T_SHORT         (0x4000)        /* short: 12 -> 21     */
+#define T_INT           (0x8000)        /* int:   1234 -> 4321 */
+#define T_TEXT          (0xc000)        /* text:  12 -> 21     */
+
+#define T_MASK_TYPE     (0xc000)
+#define T_MASK_COUNT    (0x3fff)
+
+#define D_CHAR(cnt)     (T_CHAR  | (cnt))
+#define D_SHORT(cnt)    (T_SHORT | (cnt))
+#define D_INT(cnt)      (T_INT   | (cnt))
+#define D_TEXT(cnt)     (T_TEXT  | (cnt))
+
+static u_short driveid_types[] = {
+	D_SHORT(10),	/* config - vendor2 */
+	D_TEXT(20),	/* serial_no */
+	D_SHORT(3),	/* buf_type - ecc_bytes */
+	D_TEXT(48),	/* fw_rev - model */
+	D_CHAR(2),	/* max_multsect - vendor3 */
+	D_SHORT(1),	/* dword_io */
+	D_CHAR(2),	/* vendor4 - capability */
+	D_SHORT(1),	/* reserved50 */
+	D_CHAR(4),	/* vendor5 - tDMA */
+	D_SHORT(4),	/* field_valid - cur_sectors */
+	D_INT(1),	/* cur_capacity */
+	D_CHAR(2),	/* multsect - multsect_valid */
+	D_INT(1),	/* lba_capacity */
+	D_SHORT(194)	/* dma_1word - reservedyy */
+};
+
+#define num_driveid_types       (sizeof(driveid_types)/sizeof(*driveid_types))
+
+static __inline__ void ide_fix_driveid(struct hd_driveid *id)
+{
+	u_char *p = (u_char *)id;
+	int i, j, cnt;
+	u_char t;
+
+	for (i = 0; i < num_driveid_types; i++) {
+		cnt = driveid_types[i] & T_MASK_COUNT;
+		switch (driveid_types[i] & T_MASK_TYPE) {
+		case T_CHAR:
+			p += cnt;
+			break;
+		case T_SHORT:
+			for (j = 0; j < cnt; j++) {
+				t = p[0];
+				p[0] = p[1];
+				p[1] = t;
+				p += 2;
+			}
+			break;
+		case T_INT:
+			for (j = 0; j < cnt; j++) {
+				t = p[0];
+				p[0] = p[3];
+				p[3] = t;
+				t = p[1];
+				p[1] = p[2];
+				p[2] = t;
+				p += 4;
+			}
+			break;
+		case T_TEXT:
+			for (j = 0; j < cnt; j += 2) {
+				t = p[0];
+				p[0] = p[1];
+				p[1] = t;
+				p += 2;
+			}
+			break;
+		};
+	}
+}
+
 /*
  * 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 /* __ASMi386_IDE_H */
+#endif /* __ASM_PARISC_IDE_H */