diff options
Diffstat (limited to 'include/asm-parisc/ide.h')
-rw-r--r-- | include/asm-parisc/ide.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/include/asm-parisc/ide.h b/include/asm-parisc/ide.h new file mode 100644 index 000000000..08d1c9408 --- /dev/null +++ b/include/asm-parisc/ide.h @@ -0,0 +1,111 @@ +/* + * linux/include/asm-parisc/ide.h + * + * Copyright (C) 1994-1996 Linus Torvalds & authors + */ + +/* + * This file contains the i386 architecture specific IDE code. + */ + +#ifndef __ASMi386_IDE_H +#define __ASMi386_IDE_H + +#ifdef __KERNEL__ + +#include <linux/config.h> + +#ifndef MAX_HWIFS +#define MAX_HWIFS 10 +#endif + +#define ide__sti() __sti() + +static __inline__ int 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 __inline__ ide_ioreg_t 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 __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; +} + +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 */ +} + +typedef union { + unsigned all : 8; /* all of the bits together */ + struct { + unsigned head : 4; /* always zeros here */ + unsigned unit : 1; /* drive select number, 0 or 1 */ + unsigned bit5 : 1; /* always 1 */ + unsigned lba : 1; /* using LBA instead of CHS */ + unsigned bit7 : 1; /* always 1 */ + } b; + } select_t; + +#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)) + +/* + * The following are not needed for the non-m68k ports + */ +#define ide_ack_intr(hwif) (1) +#define ide_fix_driveid(id) do {} while (0) +#define ide_release_lock(lock) do {} while (0) +#define ide_get_lock(lock, hdlr, data) do {} while (0) + +#endif /* __KERNEL__ */ + +#endif /* __ASMi386_IDE_H */ |