patch-2.4.21 linux-2.4.21/drivers/ide/macide.c

• Lines: 148
• Date: 1969-12-31 16:00:00.000000000 -0800
• Orig file: linux-2.4.20/drivers/ide/macide.c
• Orig date: 2001-01-04 15:25:55.000000000 -0800

diff -urN linux-2.4.20/drivers/ide/macide.c linux-2.4.21/drivers/ide/macide.c
@@ -1,147 +0,0 @@
-/*
- *  linux/drivers/ide/macide.c -- Macintosh IDE Driver
- *
- *     Copyright (C) 1998 by Michael Schmitz
- *
- *  This driver was written based on information obtained from the MacOS IDE
- *  driver binary by Mikael Forselius
- *
- *  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.
- */
-
-#include <linux/config.h>
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/interrupt.h>
-#include <linux/blkdev.h>
-#include <linux/hdreg.h>
-#include <linux/delay.h>
-#include <linux/ide.h>
-
-#include <asm/machw.h>
-#include <asm/macintosh.h>
-#include <asm/macints.h>
-#include <asm/mac_baboon.h>
-
-#define IDE_BASE 0x50F1A000	/* Base address of IDE controller */
-
-/*
- * Generic IDE registers as offsets from the base
- * 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 */
-
-/*
- * Mac-specific registers
- */
-
-/*
- * this register is odd; it doesn't seem to do much and it's
- * not word-aligned like virtually every other hardware register
- * on the Mac...
- */
-
-#define IDE_IFR		0x101	/* (0x101) IDE interrupt flags on Quadra:
-				 *
-				 * Bit 0+1: some interrupt flags
-				 * Bit 2+3: some interrupt enable
-				 * Bit 4:   ??
-				 * Bit 5:   IDE interrupt flag (any hwif)
-				 * Bit 6:   maybe IDE interrupt enable (any hwif) ??
-				 * Bit 7:   Any interrupt condition
-				 */
-
-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) {
-		*ide_ifr &= ~0x20;
-		return 1;
-	}
-	return 0;
-}
-
-#ifdef CONFIG_BLK_DEV_MAC_MEDIABAY
-static void macide_mediabay_interrupt(int irq, void *dev_id, struct pt_regs *regs)
-{
-	int state = baboon->mb_status & 0x04;
-
-	printk("macide: media bay %s detected\n", state? "removal":"insertion");
-}
-#endif
-
-/*
- * Probe for a Macintosh IDE interface
- */
-
-void macide_init(void)
-{
-	hw_regs_t hw;
-	int index = -1;
-
-	switch (macintosh_config->ide_type) {
-	case MAC_IDE_QUADRA:
-		ide_setup_ports(&hw, (ide_ioreg_t)IDE_BASE, macide_offsets,
-				0, 0, macide_ack_intr, IRQ_NUBUS_F);
-		index = ide_register_hw(&hw, NULL);
-		break;
-	case MAC_IDE_PB:
-		ide_setup_ports(&hw, (ide_ioreg_t)IDE_BASE, macide_offsets,
-				0, 0, macide_ack_intr, IRQ_NUBUS_C);
-		index = ide_register_hw(&hw, NULL);
-		break;
-	case MAC_IDE_BABOON:
-		ide_setup_ports(&hw, (ide_ioreg_t)BABOON_BASE, macide_offsets,
-				0, 0, NULL, IRQ_BABOON_1);
-		index = ide_register_hw(&hw, NULL);
-		if (index == -1) break;
-		if (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 cna't get that without	*/
-			/* probing the drive which freezes a 190.	*/
-
-			ide_drive_t *drive = &ide_hwifs[index].drives[0];
-        		drive->capacity = drive->cyl*drive->head*drive->sect;
-
-#ifdef CONFIG_BLK_DEV_MAC_MEDIABAY
-			request_irq(IRQ_BABOON_2, macide_mediabay_interrupt,
-					IRQ_FLG_FAST, "mediabay",
-					macide_mediabay_interrupt);
-#endif
-		}
-		break;
-
-	default:
-	    return;
-	}
-
-        if (index != -1) {
-		if (macintosh_config->ide_type == MAC_IDE_QUADRA)
-			printk("ide%d: Macintosh Quadra IDE interface\n", index);
-		else if (macintosh_config->ide_type == MAC_IDE_PB)
-			printk("ide%d: Macintosh Powerbook IDE interface\n", index);
-		else if (macintosh_config->ide_type == MAC_IDE_BABOON)
-			printk("ide%d: Macintosh Powerbook Baboon IDE interface\n", index);
-		else
-			printk("ide%d: Unknown Macintosh IDE interface\n", index);
-	}
-}