| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/drivers/ide/ide-pnp.c |
| 3 | * |
| 4 | * This file provides autodetection for ISA PnP IDE interfaces. |
| 5 | * It was tested with "ESS ES1868 Plug and Play AudioDrive" IDE interface. |
| 6 | * |
| 7 | * Copyright (C) 2000 Andrey Panin <pazke@donpac.ru> |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2, or (at your option) |
| 12 | * any later version. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * (for example /usr/src/linux/COPYING); if not, write to the Free |
| 16 | * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 17 | */ |
| 18 | |
| 19 | #include <linux/init.h> |
| 20 | #include <linux/pnp.h> |
| 21 | #include <linux/ide.h> |
| 22 | |
| 23 | /* Add your devices here :)) */ |
| 24 | static struct pnp_device_id idepnp_devices[] = { |
| 25 | /* Generic ESDI/IDE/ATA compatible hard disk controller */ |
| 26 | {.id = "PNP0600", .driver_data = 0}, |
| 27 | {.id = ""} |
| 28 | }; |
| 29 | |
| 30 | static int idepnp_probe(struct pnp_dev * dev, const struct pnp_device_id *dev_id) |
| 31 | { |
| 32 | hw_regs_t hw; |
| 33 | ide_hwif_t *hwif; |
| 34 | int index; |
| 35 | |
| 36 | if (!(pnp_port_valid(dev, 0) && pnp_port_valid(dev, 1) && pnp_irq_valid(dev, 0))) |
| 37 | return -1; |
| 38 | |
| 39 | memset(&hw, 0, sizeof(hw)); |
| 40 | ide_std_init_ports(&hw, pnp_port_start(dev, 0), |
| 41 | pnp_port_start(dev, 1)); |
| 42 | hw.irq = pnp_irq(dev, 0); |
| 43 | hw.dma = NO_DMA; |
| 44 | |
| 45 | index = ide_register_hw(&hw, &hwif); |
| 46 | |
| 47 | if (index != -1) { |
| 48 | printk(KERN_INFO "ide%d: generic PnP IDE interface\n", index); |
| 49 | pnp_set_drvdata(dev,hwif); |
| 50 | return 0; |
| 51 | } |
| 52 | |
| 53 | return -1; |
| 54 | } |
| 55 | |
| 56 | static void idepnp_remove(struct pnp_dev * dev) |
| 57 | { |
| 58 | ide_hwif_t *hwif = pnp_get_drvdata(dev); |
| 59 | if (hwif) { |
| 60 | ide_unregister(hwif->index); |
| 61 | } else |
| 62 | printk(KERN_ERR "idepnp: Unable to remove device, please report.\n"); |
| 63 | } |
| 64 | |
| 65 | static struct pnp_driver idepnp_driver = { |
| 66 | .name = "ide", |
| 67 | .id_table = idepnp_devices, |
| 68 | .probe = idepnp_probe, |
| 69 | .remove = idepnp_remove, |
| 70 | }; |
| 71 | |
| 72 | void __init pnpide_init(void) |
| 73 | { |
| 74 | pnp_register_driver(&idepnp_driver); |
| 75 | } |