| /* |
| * 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@donpac.ru> |
| * |
| * 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/init.h> |
| #include <linux/pnp.h> |
| #include <linux/ide.h> |
| #include <linux/module.h> |
| |
| #define DRV_NAME "ide-pnp" |
| |
| /* Add your devices here :)) */ |
| static struct pnp_device_id idepnp_devices[] = { |
| /* Generic ESDI/IDE/ATA compatible hard disk controller */ |
| {.id = "PNP0600", .driver_data = 0}, |
| {.id = ""} |
| }; |
| |
| static const struct ide_port_info ide_pnp_port_info = { |
| .host_flags = IDE_HFLAG_NO_DMA, |
| .chipset = ide_generic, |
| }; |
| |
| static int idepnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id) |
| { |
| struct ide_host *host; |
| unsigned long base, ctl; |
| int rc; |
| struct ide_hw hw, *hws[] = { &hw }; |
| |
| printk(KERN_INFO DRV_NAME ": generic PnP IDE interface\n"); |
| |
| if (!(pnp_port_valid(dev, 0) && pnp_port_valid(dev, 1) && pnp_irq_valid(dev, 0))) |
| return -1; |
| |
| base = pnp_port_start(dev, 0); |
| ctl = pnp_port_start(dev, 1); |
| |
| if (!request_region(base, 8, DRV_NAME)) { |
| printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n", |
| DRV_NAME, base, base + 7); |
| return -EBUSY; |
| } |
| |
| if (!request_region(ctl, 1, DRV_NAME)) { |
| printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n", |
| DRV_NAME, ctl); |
| release_region(base, 8); |
| return -EBUSY; |
| } |
| |
| memset(&hw, 0, sizeof(hw)); |
| ide_std_init_ports(&hw, base, ctl); |
| hw.irq = pnp_irq(dev, 0); |
| |
| rc = ide_host_add(&ide_pnp_port_info, hws, 1, &host); |
| if (rc) |
| goto out; |
| |
| pnp_set_drvdata(dev, host); |
| |
| return 0; |
| out: |
| release_region(ctl, 1); |
| release_region(base, 8); |
| |
| return rc; |
| } |
| |
| static void idepnp_remove(struct pnp_dev *dev) |
| { |
| struct ide_host *host = pnp_get_drvdata(dev); |
| |
| ide_host_remove(host); |
| |
| release_region(pnp_port_start(dev, 1), 1); |
| release_region(pnp_port_start(dev, 0), 8); |
| } |
| |
| static struct pnp_driver idepnp_driver = { |
| .name = "ide", |
| .id_table = idepnp_devices, |
| .probe = idepnp_probe, |
| .remove = idepnp_remove, |
| }; |
| |
| static int __init pnpide_init(void) |
| { |
| return pnp_register_driver(&idepnp_driver); |
| } |
| |
| static void __exit pnpide_exit(void) |
| { |
| pnp_unregister_driver(&idepnp_driver); |
| } |
| |
| module_init(pnpide_init); |
| module_exit(pnpide_exit); |
| |
| MODULE_LICENSE("GPL"); |