/* * This file is subject to the terms and conditions of the GNU General Public * License.  See the file "COPYING" in the main directory of this archive * for more details. * * IDE routines for typical pc-like standard configurations. * * Copyright (C) 1998, 1999, 2001 by Ralf Baechle */#include <linux/sched.h>#include <linux/ide.h>#include <linux/ioport.h>#include <linux/hdreg.h>#include <asm/ptrace.h>#include <asm/hdreg.h>static int std_ide_default_irq(ide_ioreg_t base){	switch (base) {		case 0x1f0: return 14;		case 0x170: return 15;		case 0x1e8: return 11;		case 0x168: return 10;		case 0x1e0: return 8;		case 0x160: return 12;		default:			return 0;	}}static ide_ioreg_t std_ide_default_io_base(int index){	switch (index) {		case 0:	return 0x1f0;		case 1:	return 0x170;		case 2: return 0x1e8;		case 3: return 0x168;		case 4: return 0x1e0;		case 5: return 0x160;		default:			return 0;	}}static void std_ide_init_hwif_ports (hw_regs_t *hw, ide_ioreg_t data_port,                                     ide_ioreg_t ctrl_port, int *irq){	ide_ioreg_t reg = data_port;	int i;	for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {		hw->io_ports[i] = reg;		reg += 1;	}	if (ctrl_port) {		hw->io_ports[IDE_CONTROL_OFFSET] = ctrl_port;	} else {		hw->io_ports[IDE_CONTROL_OFFSET] = hw->io_ports[IDE_DATA_OFFSET] + 0x206;	}	if (irq != NULL)		*irq = 0;	hw->io_ports[IDE_IRQ_OFFSET] = 0;}static int std_ide_request_irq(unsigned int irq,                                void (*handler)(int,void *, struct pt_regs *),                                unsigned long flags, const char *device,                                void *dev_id){	return request_irq(irq, handler, flags, device, dev_id);}static void std_ide_free_irq(unsigned int irq, void *dev_id){	free_irq(irq, dev_id);}static int std_ide_check_region(ide_ioreg_t from, unsigned int extent){	return check_region(from, extent);}static void std_ide_request_region(ide_ioreg_t from, unsigned int extent,                                    const char *name){	request_region(from, extent, name);}static void std_ide_release_region(ide_ioreg_t from, unsigned int extent){	release_region(from, extent);}struct ide_ops std_ide_ops = {	&std_ide_default_irq,	&std_ide_default_io_base,	&std_ide_init_hwif_ports,	&std_ide_request_irq,	&std_ide_free_irq,	&std_ide_check_region,	&std_ide_request_region,	&std_ide_release_region};