/*
- * 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.
*
*
* 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.
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/init.h>
#include <linux/pnp.h>
#include <linux/ide.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 */
+ /* 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)
+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)
{
- hw_regs_t hw;
- ide_hwif_t *hwif;
- int index;
+ 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, pnp_port_start(dev, 0),
- pnp_port_start(dev, 1));
+ ide_std_init_ports(&hw, base, ctl);
hw.irq = pnp_irq(dev, 0);
- hw.dma = NO_DMA;
- index = ide_register_hw(&hw, NULL, 1, &hwif);
+ rc = ide_host_add(&ide_pnp_port_info, hws, 1, &host);
+ if (rc)
+ goto out;
- if (index != -1) {
- printk(KERN_INFO "ide%d: generic PnP IDE interface\n", index);
- pnp_set_drvdata(dev,hwif);
- return 0;
- }
+ pnp_set_drvdata(dev, host);
+
+ return 0;
+out:
+ release_region(ctl, 1);
+ release_region(base, 8);
- return -1;
+ return rc;
}
-static void idepnp_remove(struct pnp_dev * dev)
+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");
+ 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 = {
.remove = idepnp_remove,
};
-void __init pnpide_init(void)
+static int __init pnpide_init(void)
{
- pnp_register_driver(&idepnp_driver);
+ return pnp_register_driver(&idepnp_driver);
}
-void __exit pnpide_exit(void)
+static void __exit pnpide_exit(void)
{
pnp_unregister_driver(&idepnp_driver);
}
+
+module_init(pnpide_init);
+module_exit(pnpide_exit);
+
+MODULE_LICENSE("GPL");