| /* |
| * 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 */ |