patch-2.3.99-pre1 linux/drivers/block/ide-pnp.c
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- Lines: 160
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
v2.3.51/linux/drivers/block/ide-pnp.c
- Orig date:
Fri Mar 10 16:40:42 2000
diff -u --recursive --new-file v2.3.51/linux/drivers/block/ide-pnp.c linux/drivers/block/ide-pnp.c
@@ -1,158 +0,0 @@
-/*
- * linux/drivers/block/ide-pnp.c
- *
- * This file provides autodetection for ISA PnP IDE interfaces.
- * It was tested with "ESS ES1868 Plug and Play AudioDrive" IDE interface.
- *
- * Copyright (C) 2000 Andrey Panin <pazke@orbita.don.sitek.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * You should have received a copy of the GNU General Public License
- * (for example /usr/src/linux/COPYING); if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/ide.h>
-#include <linux/isapnp.h>
-
-#ifndef PREPARE_FUNC
-#define PREPARE_FUNC(dev) (dev->prepare)
-#define ACTIVATE_FUNC(dev) (dev->activate)
-#define DEACTIVATE_FUNC(dev) (dev->deactivate)
-#endif
-
-#define DEV_IO(dev, index) (dev->resource[index].start)
-#define DEV_IRQ(dev, index) (dev->irq_resource[index].start)
-
-#define DEV_NAME(dev) (dev->bus->name ? dev->bus->name : "ISA PnP")
-
-#define GENERIC_HD_DATA 0
-#define GENERIC_HD_ERROR 1
-#define GENERIC_HD_NSECTOR 2
-#define GENERIC_HD_SECTOR 3
-#define GENERIC_HD_LCYL 4
-#define GENERIC_HD_HCYL 5
-#define GENERIC_HD_SELECT 6
-#define GENERIC_HD_STATUS 7
-
-static int generic_ide_offsets[IDE_NR_PORTS] __initdata = {
- GENERIC_HD_DATA, GENERIC_HD_ERROR, GENERIC_HD_NSECTOR,
- GENERIC_HD_SECTOR, GENERIC_HD_LCYL, GENERIC_HD_HCYL,
- GENERIC_HD_SELECT, GENERIC_HD_STATUS, -1, -1
-};
-
-/* ISA PnP device table entry */
-struct pnp_dev_t {
- unsigned int vendor, device;
- int (*init_fn)(struct pci_dev *dev, int enable);
-};
-
-/* Generic initialisation function for ISA PnP IDE interface */
-static int __init pnpide_generic_init(struct pci_dev *dev, int enable)
-{
- hw_regs_t hw;
- int index;
-
- if (!enable)
- return 0;
-
- if (!(DEV_IO(dev, 0) && DEV_IO(dev, 1) && DEV_IRQ(dev, 0)))
- return 1;
-
- ide_setup_ports(&hw, (ide_ioreg_t) DEV_IO(dev, 0),
- generic_ide_offsets, (ide_ioreg_t) DEV_IO(dev, 1),
- 0, NULL, DEV_IRQ(dev, 0));
-
- index = ide_register_hw(&hw, NULL);
-
- if (index != -1) {
- printk("ide%d: %s IDE interface\n", index, DEV_NAME(dev));
- return 0;
- }
-
- return 1;
-}
-
-/* Add your devices here :)) */
-struct pnp_dev_t idepnp_devices[] __initdata = {
- /* Generic ESDI/IDE/ATA compatible hard disk controller
*/
- { ISAPNP_VENDOR('P', 'N', 'P'), ISAPNP_DEVICE(0x0600),
- pnpide_generic_init },
- { 0 }
-};
-
-#ifdef MODULE
-#define NR_PNP_DEVICES 8
-struct pnp_dev_inst {
- struct pci_dev *dev;
- struct pnp_dev_t *dev_type;
-};
-static struct pnp_dev_inst devices[NR_PNP_DEVICES];
-static int pnp_ide_dev_idx = 0;
-#endif
-
-/*
- * Probe for ISA PnP IDE interfaces.
- */
-void pnpide_init(int enable)
-{
- struct pci_dev *dev = NULL;
- struct pnp_dev_t *dev_type;
-
- if (!isapnp_present())
- return;
-
-#ifdef MODULE
- /* Module unload, deactivate all registered devices. */
- if (!enable) {
- int i;
- for (i = 0; i < pnp_ide_dev_idx; i++) {
- devices[i].dev_type->init_fn(dev, 0);
-
- if (DEACTIVATE_FUNC(devices[i].dev))
- DEACTIVATE_FUNC(devices[i].dev)(devices[i].dev);
- }
- return;
- }
-#endif
- for (dev_type = idepnp_devices; dev_type->vendor; dev_type++) {
- while ((dev = isapnp_find_dev(NULL, dev_type->vendor,
- dev_type->device, dev))) {
-
- if (dev->active)
- continue;
-
- if (PREPARE_FUNC(dev) && (PREPARE_FUNC(dev))(dev) < 0) {
- printk("ide: %s prepare failed\n", DEV_NAME(dev));
- continue;
- }
-
- if (ACTIVATE_FUNC(dev) && (ACTIVATE_FUNC(dev))(dev) < 0) {
- printk("ide: %s activate failed\n", DEV_NAME(dev));
- continue;
- }
-
- /* Call device initialization function */
- if (dev_type->init_fn(dev, 1)) {
- if (DEACTIVATE_FUNC(dev))
- DEACTIVATE_FUNC(dev)(dev);
- } else {
-#ifdef MODULE
- /*
- * Register device in the array to
- * deactivate it on a module unload.
- */
- if (pnp_ide_dev_idx >= NR_PNP_DEVICES)
- return;
- devices[pnp_ide_dev_idx].dev = dev;
- devices[pnp_ide_dev_idx].dev_type = dev_type;
- pnp_ide_dev_idx++;
-#endif
- }
- }
- }
-}
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