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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-parisc/] [ide.h] - Rev 1774
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/* * linux/include/asm-parisc/ide.h * * Copyright (C) 1994-1996 Linus Torvalds & authors */ /* * This file contains the PARISC architecture specific IDE code. */ #ifndef __ASM_PARISC_IDE_H #define __ASM_PARISC_IDE_H #ifdef __KERNEL__ #include <linux/config.h> #include <asm/superio.h> #ifndef MAX_HWIFS #define MAX_HWIFS 2 #endif static __inline__ int ide_default_irq(ide_ioreg_t base) { switch (base) { #ifdef CONFIG_SUPERIO case 0x1f0: case 0x170: return superio_get_ide_irq(); #endif /* CONFIG_SUPERIO */ default: return 0; } } static __inline__ ide_ioreg_t ide_default_io_base(int index) { switch (index) { #ifdef CONFIG_SUPERIO case 0: return (superio_get_ide_irq() ? 0x1f0 : 0); case 1: return (superio_get_ide_irq() ? 0x170 : 0); #endif /* CONFIG_SUPERIO */ default: return 0; } } static __inline__ void 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 __inline__ void ide_init_default_hwifs(void) { #ifndef CONFIG_BLK_DEV_IDEPCI hw_regs_t hw; int index; for(index = 0; index < MAX_HWIFS; index++) { ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, NULL); hw.irq = ide_default_irq(ide_default_io_base(index)); ide_register_hw(&hw, NULL); } #endif /* CONFIG_BLK_DEV_IDEPCI */ } #include <asm-generic/ide_iops.h> #endif /* __KERNEL__ */ #endif /* __ASM_PARISC_IDE_H */
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