ide: remove the legacy ide driver

The legay ide driver has been replace with libata starting in 2003 and has
been scheduled for removal for a while.  Finally kill it off so that we
can start cleaning up various bits of cruft it forced on the block layer.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 0 insertions, 234 deletions

diff --git a/drivers/ide/cy82c693.c b/drivers/ide/cy82c693.c
deleted file mode 100644
index bc01660ee8fd..000000000000
--- a/drivers/ide/cy82c693.c
+++ /dev/null
@@ -1,234 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- *  Copyright (C) 1998-2000 Andreas S. Krebs (akrebs@altavista.net), Maintainer
- *  Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org>, Integrator
- *  Copyright (C) 2007-2011 Bartlomiej Zolnierkiewicz
- *
- * CYPRESS CY82C693 chipset IDE controller
- *
- * The CY82C693 chipset is used on Digital's PC-Alpha 164SX boards.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/ide.h>
-#include <linux/init.h>
-
-#include <asm/io.h>
-
-#define DRV_NAME "cy82c693"
-
-/*
- *	NOTE: the value for busmaster timeout is tricky and I got it by
- *	trial and error!  By using a to low value will cause DMA timeouts
- *	and drop IDE performance, and by using a to high value will cause
- *	audio playback to scatter.
- *	If you know a better value or how to calc it, please let me know.
- */
-
-/* twice the value written in cy82c693ub datasheet */
-#define BUSMASTER_TIMEOUT	0x50
-/*
- * the value above was tested on my machine and it seems to work okay
- */
-
-/* here are the offset definitions for the registers */
-#define CY82_IDE_CMDREG		0x04
-#define CY82_IDE_ADDRSETUP	0x48
-#define CY82_IDE_MASTER_IOR	0x4C
-#define CY82_IDE_MASTER_IOW	0x4D
-#define CY82_IDE_SLAVE_IOR	0x4E
-#define CY82_IDE_SLAVE_IOW	0x4F
-#define CY82_IDE_MASTER_8BIT	0x50
-#define CY82_IDE_SLAVE_8BIT	0x51
-
-#define CY82_INDEX_PORT		0x22
-#define CY82_DATA_PORT		0x23
-
-#define CY82_INDEX_CHANNEL0	0x30
-#define CY82_INDEX_CHANNEL1	0x31
-#define CY82_INDEX_TIMEOUT	0x32
-
-/*
- * set DMA mode a specific channel for CY82C693
- */
-
-static void cy82c693_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
-{
-	const u8 mode = drive->dma_mode;
-	u8 single = (mode & 0x10) >> 4, index = 0, data = 0;
-
-	index = hwif->channel ? CY82_INDEX_CHANNEL1 : CY82_INDEX_CHANNEL0;
-
-	data = (mode & 3) | (single << 2);
-
-	outb(index, CY82_INDEX_PORT);
-	outb(data, CY82_DATA_PORT);
-
-	/*
-	 * note: below we set the value for Bus Master IDE TimeOut Register
-	 * I'm not absolutely sure what this does, but it solved my problem
-	 * with IDE DMA and sound, so I now can play sound and work with
-	 * my IDE driver at the same time :-)
-	 *
-	 * If you know the correct (best) value for this register please
-	 * let me know - ASK
-	 */
-
-	data = BUSMASTER_TIMEOUT;
-	outb(CY82_INDEX_TIMEOUT, CY82_INDEX_PORT);
-	outb(data, CY82_DATA_PORT);
-}
-
-static void cy82c693_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
-{
-	struct pci_dev *dev = to_pci_dev(hwif->dev);
-	int bus_speed = ide_pci_clk ? ide_pci_clk : 33;
-	const unsigned long T = 1000000 / bus_speed;
-	unsigned int addrCtrl;
-	struct ide_timing t;
-	u8 time_16, time_8;
-
-	/* select primary or secondary channel */
-	if (drive->dn > 1) {  /* drive is on the secondary channel */
-		dev = pci_get_slot(dev->bus, dev->devfn+1);
-		if (!dev) {
-			printk(KERN_ERR "%s: tune_drive: "
-				"Cannot find secondary interface!\n",
-				drive->name);
-			return;
-		}
-	}
-
-	ide_timing_compute(drive, drive->pio_mode, &t, T, 1);
-
-	time_16 = clamp_val(t.recover - 1, 0, 15) |
-		  (clamp_val(t.active - 1, 0, 15) << 4);
-	time_8 = clamp_val(t.act8b - 1, 0, 15) |
-		 (clamp_val(t.rec8b - 1, 0, 15) << 4);
-
-	/* now let's write  the clocks registers */
-	if ((drive->dn & 1) == 0) {
-		/*
-		 * set master drive
-		 * address setup control register
-		 * is 32 bit !!!
-		 */
-		pci_read_config_dword(dev, CY82_IDE_ADDRSETUP, &addrCtrl);
-
-		addrCtrl &= (~0xF);
-		addrCtrl |= clamp_val(t.setup - 1, 0, 15);
-		pci_write_config_dword(dev, CY82_IDE_ADDRSETUP, addrCtrl);
-
-		/* now let's set the remaining registers */
-		pci_write_config_byte(dev, CY82_IDE_MASTER_IOR, time_16);
-		pci_write_config_byte(dev, CY82_IDE_MASTER_IOW, time_16);
-		pci_write_config_byte(dev, CY82_IDE_MASTER_8BIT, time_8);
-	} else {
-		/*
-		 * set slave drive
-		 * address setup control register
-		 * is 32 bit !!!
-		 */
-		pci_read_config_dword(dev, CY82_IDE_ADDRSETUP, &addrCtrl);
-
-		addrCtrl &= (~0xF0);
-		addrCtrl |= (clamp_val(t.setup - 1, 0, 15) << 4);
-		pci_write_config_dword(dev, CY82_IDE_ADDRSETUP, addrCtrl);
-
-		/* now let's set the remaining registers */
-		pci_write_config_byte(dev, CY82_IDE_SLAVE_IOR, time_16);
-		pci_write_config_byte(dev, CY82_IDE_SLAVE_IOW, time_16);
-		pci_write_config_byte(dev, CY82_IDE_SLAVE_8BIT, time_8);
-	}
-	if (drive->dn > 1)
-		pci_dev_put(dev);
-}
-
-static void init_iops_cy82c693(ide_hwif_t *hwif)
-{
-	static ide_hwif_t *primary;
-	struct pci_dev *dev = to_pci_dev(hwif->dev);
-
-	if (PCI_FUNC(dev->devfn) == 1)
-		primary = hwif;
-	else {
-		hwif->mate = primary;
-		hwif->channel = 1;
-	}
-}
-
-static const struct ide_port_ops cy82c693_port_ops = {
-	.set_pio_mode		= cy82c693_set_pio_mode,
-	.set_dma_mode		= cy82c693_set_dma_mode,
-};
-
-static const struct ide_port_info cy82c693_chipset = {
-	.name		= DRV_NAME,
-	.init_iops	= init_iops_cy82c693,
-	.port_ops	= &cy82c693_port_ops,
-	.host_flags	= IDE_HFLAG_SINGLE,
-	.pio_mask	= ATA_PIO4,
-	.swdma_mask	= ATA_SWDMA2,
-	.mwdma_mask	= ATA_MWDMA2,
-};
-
-static int cy82c693_init_one(struct pci_dev *dev,
-			     const struct pci_device_id *id)
-{
-	struct pci_dev *dev2;
-	int ret = -ENODEV;
-
-	/* CY82C693 is more than only a IDE controller.
-	   Function 1 is primary IDE channel, function 2 - secondary. */
-	if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE &&
-	    PCI_FUNC(dev->devfn) == 1) {
-		dev2 = pci_get_slot(dev->bus, dev->devfn + 1);
-		ret = ide_pci_init_two(dev, dev2, &cy82c693_chipset, NULL);
-		if (ret)
-			pci_dev_put(dev2);
-	}
-	return ret;
-}
-
-static void cy82c693_remove(struct pci_dev *dev)
-{
-	struct ide_host *host = pci_get_drvdata(dev);
-	struct pci_dev *dev2 = host->dev[1] ? to_pci_dev(host->dev[1]) : NULL;
-
-	ide_pci_remove(dev);
-	pci_dev_put(dev2);
-}
-
-static const struct pci_device_id cy82c693_pci_tbl[] = {
-	{ PCI_VDEVICE(CONTAQ, PCI_DEVICE_ID_CONTAQ_82C693), 0 },
-	{ 0, },
-};
-MODULE_DEVICE_TABLE(pci, cy82c693_pci_tbl);
-
-static struct pci_driver cy82c693_pci_driver = {
-	.name		= "Cypress_IDE",
-	.id_table	= cy82c693_pci_tbl,
-	.probe		= cy82c693_init_one,
-	.remove		= cy82c693_remove,
-	.suspend	= ide_pci_suspend,
-	.resume		= ide_pci_resume,
-};
-
-static int __init cy82c693_ide_init(void)
-{
-	return ide_pci_register_driver(&cy82c693_pci_driver);
-}
-
-static void __exit cy82c693_ide_exit(void)
-{
-	pci_unregister_driver(&cy82c693_pci_driver);
-}
-
-module_init(cy82c693_ide_init);
-module_exit(cy82c693_ide_exit);
-
-MODULE_AUTHOR("Andreas Krebs, Andre Hedrick, Bartlomiej Zolnierkiewicz");
-MODULE_DESCRIPTION("PCI driver module for the Cypress CY82C693 IDE");
-MODULE_LICENSE("GPL");