/* * 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> /* 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 int idepnp_probe(struct pnp_dev * dev, const struct pnp_device_id *dev_id) { hw_regs_t hw; ide_hwif_t *hwif; if (!(pnp_port_valid(dev, 0) && pnp_port_valid(dev, 1) && pnp_irq_valid(dev, 0))) return -1; memset(&hw, 0, sizeof(hw)); ide_std_init_ports(&hw, pnp_port_start(dev, 0), pnp_port_start(dev, 1)); hw.irq = pnp_irq(dev, 0); hwif = ide_find_port(hw.io_ports[IDE_DATA_OFFSET]); if (hwif) { u8 index = hwif->index; u8 idx[4] = { index, 0xff, 0xff, 0xff }; ide_init_port_data(hwif, index); ide_init_port_hw(hwif, &hw); printk(KERN_INFO "ide%d: generic PnP IDE interface\n", index); pnp_set_drvdata(dev,hwif); ide_device_add(idx, NULL); return 0; } return -1; } static void idepnp_remove(struct pnp_dev * dev) { ide_hwif_t *hwif = pnp_get_drvdata(dev); if (hwif) ide_unregister(hwif->index, 0, 0); else printk(KERN_ERR "idepnp: Unable to remove device, please report.\n"); } 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);