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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_PCI
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);
}
#endif
}
#define ide_request_irq(irq,hand,flg,dev,id) request_irq((irq),(hand),(flg),(dev),(id))
#define ide_free_irq(irq,dev_id) free_irq((irq), (dev_id))
#define ide_check_region(from,extent) check_region((from), (extent))
#define ide_request_region(from,extent,name) request_region((from), (extent), (name))
#define ide_release_region(from,extent) release_region((from), (extent))
/* Generic I/O and MEMIO string operations. */
#define __ide_insw insw
#define __ide_insl insl
#define __ide_outsw outsw
#define __ide_outsl outsl
static __inline__ void __ide_mm_insw(unsigned long port, void *addr, u32 count)
{
while (count--) {
*(u16 *)addr = readw(port);
addr += 2;
}
}
static __inline__ void __ide_mm_insl(unsigned long port, void *addr, u32 count)
{
while (count--) {
*(u32 *)addr = readl(port);
addr += 4;
}
}
static __inline__ void __ide_mm_outsw(unsigned long port, void *addr, u32 count)
{
while (count--) {
writew(*(u16 *)addr, port);
addr += 2;
}
}
static __inline__ void __ide_mm_outsl(unsigned long port, void *addr, u32 count)
{
while (count--) {
writel(*(u32 *)addr, port);
addr += 4;
}
}
#endif /* __KERNEL__ */
#endif /* __ASM_PARISC_IDE_H */
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