ide: remove useless subdirs from drivers/ide/

Suggested-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 131 insertions, 0 deletions

diff --git a/drivers/ide/macide.c b/drivers/ide/macide.c
new file mode 100644
index 000000000000..43f97cc1d30e
--- /dev/null
+++ b/drivers/ide/macide.c
@@ -0,0 +1,131 @@
+/*
+ *  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/types.h>
+#include <linux/mm.h>
+#include <linux/interrupt.h>
+#include <linux/blkdev.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_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);
+
+int macide_ack_intr(ide_hwif_t* hwif)
+{
+        if (*ide_ifr & 0x20) {
+                *ide_ifr &= ~0x20;
+                return 1;
+        }
+        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_array[i] = base + i * 4;
+
+        hw->io_ports.ctl_addr = base + IDE_CONTROL;
+
+        hw->irq = irq;
+        hw->ack_intr = ack_intr;
+
+        hw->chipset = ide_generic;
+}
+
+static const char *mac_ide_name[] =
+        { "Quadra", "Powerbook", "Powerbook Baboon" };
+
+/*
+ * Probe for a Macintosh IDE interface
+ */
+
+static int __init macide_init(void)
+{
+        ide_ack_intr_t *ack_intr;
+        unsigned long base;
+        int irq;
+        hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
+
+        if (!MACH_IS_MAC)
+                return -ENODEV;
+
+        switch (macintosh_config->ide_type) {
+        case MAC_IDE_QUADRA:
+                base = IDE_BASE;
+                ack_intr = macide_ack_intr;
+                irq = IRQ_NUBUS_F;
+                break;
+        case MAC_IDE_PB:
+                base = IDE_BASE;
+                ack_intr = macide_ack_intr;
+                irq = IRQ_NUBUS_C;
+                break;
+        case MAC_IDE_BABOON:
+                base = BABOON_BASE;
+                ack_intr = NULL;
+                irq = IRQ_BABOON_1;
+                break;
+        default:
+                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);
+
+        return ide_host_add(NULL, hws, NULL);
+}
+
+module_init(macide_init);
+
+MODULE_LICENSE("GPL");