X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fide%2Flegacy%2Fmacide.c;h=eaf5dbe58bc24eeca32e09349348ff29dc35cbc1;hb=2304dc6481f9d4fb4f0cb5b72497dfe1694cef9c;hp=1840fede5216e5c458dd05a98d743875393e7c80;hpb=cbb010c180294a5242a7681555c28737d9dd26ab;p=safe%2Fjmp%2Flinux-2.6

diff --git a/drivers/ide/legacy/macide.c b/drivers/ide/legacy/macide.c
index 1840fed..eaf5dbe 100644
--- a/drivers/ide/legacy/macide.c
+++ b/drivers/ide/legacy/macide.c
@@ -1,5 +1,5 @@
 /*
- *  linux/drivers/ide/legacy/macide.c -- Macintosh IDE Driver
+ *  Macintosh IDE Driver
  *
  *     Copyright (C) 1998 by Michael Schmitz
  *
@@ -31,14 +31,6 @@
  * These match MkLinux so they should be correct.
  */
 
-#define IDE_DATA	0x00
-#define IDE_ERROR	0x04	/* see err-bits */
-#define IDE_NSECTOR	0x08	/* nr of sectors to read/write */
-#define IDE_SECTOR	0x0c	/* starting sector */
-#define IDE_LCYL	0x10	/* starting cylinder */
-#define IDE_HCYL	0x14	/* high byte of starting cyl */
-#define IDE_SELECT	0x18	/* 101dhhhh , d=drive, hhhh=head */
-#define IDE_STATUS	0x1c	/* see status-bits */
 #define IDE_CONTROL	0x38	/* control/altstatus */
 
 /*
@@ -63,11 +55,6 @@
 
 volatile unsigned char *ide_ifr = (unsigned char *) (IDE_BASE + IDE_IFR);
 
-static int macide_offsets[IDE_NR_PORTS] = {
-    IDE_DATA, IDE_ERROR,  IDE_NSECTOR, IDE_SECTOR, IDE_LCYL,
-    IDE_HCYL, IDE_SELECT, IDE_STATUS,  IDE_CONTROL
-};
-
 int macide_ack_intr(ide_hwif_t* hwif)
 {
 	if (*ide_ifr & 0x20) {
@@ -77,63 +64,78 @@ int macide_ack_intr(ide_hwif_t* hwif)
 	return 0;
 }
 
+static void __init macide_setup_ports(hw_regs_t *hw, unsigned long base,
+				      int irq, ide_ack_intr_t *ack_intr)
+{
+	int i;
+
+	memset(hw, 0, sizeof(*hw));
+
+	for (i = 0; i < 8; i++)
+		hw->io_ports[i] = base + i * 4;
+
+	hw->io_ports[IDE_CONTROL_OFFSET] = base + IDE_CONTROL;
+
+	hw->irq = irq;
+	hw->ack_intr = ack_intr;
+}
+
+static const char *mac_ide_name[] =
+	{ "Quadra", "Powerbook", "Powerbook Baboon" };
+
 /*
  * Probe for a Macintosh IDE interface
  */
 
-void __init macide_init(void)
+static int __init macide_init(void)
 {
-	hw_regs_t hw;
 	ide_hwif_t *hwif;
+	ide_ack_intr_t *ack_intr;
+	unsigned long base;
+	int irq;
+	hw_regs_t hw;
 
 	switch (macintosh_config->ide_type) {
 	case MAC_IDE_QUADRA:
-		ide_setup_ports(&hw, IDE_BASE, macide_offsets,
-				0, 0, macide_ack_intr,
-//				quadra_ide_iops,
-				IRQ_NUBUS_F);
+		base = IDE_BASE;
+		ack_intr = macide_ack_intr;
+		irq = IRQ_NUBUS_F;
 		break;
 	case MAC_IDE_PB:
-		ide_setup_ports(&hw, IDE_BASE, macide_offsets,
-				0, 0, macide_ack_intr,
-//				macide_pb_iops,
-				IRQ_NUBUS_C);
+		base = IDE_BASE;
+		ack_intr = macide_ack_intr;
+		irq = IRQ_NUBUS_C;
 		break;
 	case MAC_IDE_BABOON:
-		ide_setup_ports(&hw, BABOON_BASE, macide_offsets,
-				0, 0, NULL,
-//				macide_baboon_iops,
-				IRQ_BABOON_1);
+		base = BABOON_BASE;
+		ack_intr = NULL;
+		irq = IRQ_BABOON_1;
 		break;
 	default:
-		return;
+		return -ENODEV;
 	}
 
+	printk(KERN_INFO "ide: Macintosh %s IDE controller\n",
+			 mac_ide_name[macintosh_config->ide_type - 1]);
+
+	macide_setup_ports(&hw, base, irq, ack_intr);
+
 	hwif = ide_find_port(hw.io_ports[IDE_DATA_OFFSET]);
 	if (hwif) {
 		u8 index = hwif->index;
+		u8 idx[4] = { index, 0xff, 0xff, 0xff };
 
 		ide_init_port_data(hwif, index);
 		ide_init_port_hw(hwif, &hw);
 
-		if (macintosh_config->ide_type == MAC_IDE_BABOON &&
-		    macintosh_config->ident == MAC_MODEL_PB190) {
-			/* Fix breakage in ide-disk.c: drive capacity	*/
-			/* is not initialized for drives without a 	*/
-			/* hardware ID, and we can't get that without	*/
-			/* probing the drive which freezes a 190.	*/
-			ide_drive_t *drive = &hwif->drives[0];
-			drive->capacity64 = drive->cyl*drive->head*drive->sect;
-		}
-
 		hwif->mmio = 1;
-		if (macintosh_config->ide_type == MAC_IDE_QUADRA)
-			printk(KERN_INFO "ide%d: Macintosh Quadra IDE interface\n", index);
-		else if (macintosh_config->ide_type == MAC_IDE_PB)
-			printk(KERN_INFO "ide%d: Macintosh Powerbook IDE interface\n", index);
-		else if (macintosh_config->ide_type == MAC_IDE_BABOON)
-			printk(KERN_INFO "ide%d: Macintosh Powerbook Baboon IDE interface\n", index);
-		else
-			printk(KERN_INFO "ide%d: Unknown Macintosh IDE interface\n", index);
+
+		ide_device_add(idx, NULL);
 	}
+
+	return 0;
 }
+
+module_init(macide_init);
+
+MODULE_LICENSE("GPL");