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| #include <linux/kernel.h>
| #include <linux/export.h>
| #include <linux/ide.h>
|
| static void ide_legacy_init_one(struct ide_hw **hws, struct ide_hw *hw,
| u8 port_no, const struct ide_port_info *d,
| unsigned long config)
| {
| unsigned long base, ctl;
| int irq;
|
| if (port_no == 0) {
| base = 0x1f0;
| ctl = 0x3f6;
| irq = 14;
| } else {
| base = 0x170;
| ctl = 0x376;
| irq = 15;
| }
|
| if (!request_region(base, 8, d->name)) {
| printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n",
| d->name, base, base + 7);
| return;
| }
|
| if (!request_region(ctl, 1, d->name)) {
| printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n",
| d->name, ctl);
| release_region(base, 8);
| return;
| }
|
| ide_std_init_ports(hw, base, ctl);
| hw->irq = irq;
| hw->config = config;
|
| hws[port_no] = hw;
| }
|
| int ide_legacy_device_add(const struct ide_port_info *d, unsigned long config)
| {
| struct ide_hw hw[2], *hws[] = { NULL, NULL };
|
| memset(&hw, 0, sizeof(hw));
|
| if ((d->host_flags & IDE_HFLAG_QD_2ND_PORT) == 0)
| ide_legacy_init_one(hws, &hw[0], 0, d, config);
| ide_legacy_init_one(hws, &hw[1], 1, d, config);
|
| if (hws[0] == NULL && hws[1] == NULL &&
| (d->host_flags & IDE_HFLAG_SINGLE))
| return -ENOENT;
|
| return ide_host_add(d, hws, 2, NULL);
| }
| EXPORT_SYMBOL_GPL(ide_legacy_device_add);
|
|
