diff options
Diffstat (limited to 'drivers/ide/ide-pnp.c')
| -rw-r--r-- | drivers/ide/ide-pnp.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/ide/ide-pnp.c b/drivers/ide/ide-pnp.c new file mode 100644 index 00000000000..df7d1504f84 --- /dev/null +++ b/drivers/ide/ide-pnp.c @@ -0,0 +1,75 @@ +/* + * linux/drivers/ide/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@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; + int index; + + 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); + hw.dma = NO_DMA; + + index = ide_register_hw(&hw, &hwif); + + if (index != -1) { + printk(KERN_INFO "ide%d: generic PnP IDE interface\n", index); + pnp_set_drvdata(dev,hwif); + 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); + } 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, +}; + +void __init pnpide_init(void) +{ + pnp_register_driver(&idepnp_driver); +} |