2 * linux/include/asm-i386/ide.h
4 * Copyright (C) 1994-1996 Linus Torvalds & authors
8 * This file contains the i386 architecture specific IDE code.
11 #ifndef __ASMi386_IDE_H
12 #define __ASMi386_IDE_H
16 #include <linux/config.h>
19 # ifdef CONFIG_BLK_DEV_IDEPCI
26 static __inline__ int ide_default_irq(ide_ioreg_t base)
29 case 0x1f0: return 14;
30 case 0x170: return 15;
31 case 0x1e8: return 11;
32 case 0x168: return 10;
34 case 0x160: return 12;
40 static __inline__ ide_ioreg_t ide_default_io_base(int index)
54 static __inline__ void ide_init_hwif_ports(hw_regs_t *hw, ide_ioreg_t data_port, ide_ioreg_t ctrl_port, int *irq)
56 ide_ioreg_t reg = data_port;
59 for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
60 hw->io_ports[i] = reg;
64 hw->io_ports[IDE_CONTROL_OFFSET] = ctrl_port;
66 hw->io_ports[IDE_CONTROL_OFFSET] = hw->io_ports[IDE_DATA_OFFSET] + 0x206;
70 hw->io_ports[IDE_IRQ_OFFSET] = 0;
73 static __inline__ void ide_init_default_hwifs(void)
75 #ifndef CONFIG_BLK_DEV_IDEPCI
79 for(index = 0; index < MAX_HWIFS; index++) {
80 memset(&hw, 0, sizeof hw);
81 ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, NULL);
82 hw.irq = ide_default_irq(ide_default_io_base(index));
83 ide_register_hw(&hw, NULL);
85 #endif /* CONFIG_BLK_DEV_IDEPCI */
88 #include <asm-generic/ide_iops.h>
90 #endif /* __KERNEL__ */
92 #endif /* __ASMi386_IDE_H */