diff options
Diffstat (limited to 'drivers/ide/legacy/falconide.c')
| -rw-r--r-- | drivers/ide/legacy/falconide.c | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/drivers/ide/legacy/falconide.c b/drivers/ide/legacy/falconide.c deleted file mode 100644 index af11028b479..00000000000 --- a/drivers/ide/legacy/falconide.c +++ /dev/null @@ -1,131 +0,0 @@ -/* - * Atari Falcon IDE Driver - * - * Created 12 Jul 1997 by Geert Uytterhoeven - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive for - * more details. - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/mm.h> -#include <linux/interrupt.h> -#include <linux/blkdev.h> -#include <linux/hdreg.h> -#include <linux/ide.h> -#include <linux/init.h> - -#include <asm/setup.h> -#include <asm/atarihw.h> -#include <asm/atariints.h> -#include <asm/atari_stdma.h> - -#define DRV_NAME "falconide" - - /* - * Base of the IDE interface - */ - -#define ATA_HD_BASE 0xfff00000 - - /* - * Offsets from the above base - */ - -#define ATA_HD_CONTROL 0x39 - - /* - * falconide_intr_lock is used to obtain access to the IDE interrupt, - * which is shared between several drivers. - */ - -int falconide_intr_lock; -EXPORT_SYMBOL(falconide_intr_lock); - -static void falconide_input_data(ide_drive_t *drive, struct request *rq, - void *buf, unsigned int len) -{ - unsigned long data_addr = drive->hwif->io_ports.data_addr; - - if (drive->media == ide_disk && rq && rq->cmd_type == REQ_TYPE_FS) - return insw(data_addr, buf, (len + 1) / 2); - - insw_swapw(data_addr, buf, (len + 1) / 2); -} - -static void falconide_output_data(ide_drive_t *drive, struct request *rq, - void *buf, unsigned int len) -{ - unsigned long data_addr = drive->hwif->io_ports.data_addr; - - if (drive->media == ide_disk && rq && rq->cmd_type == REQ_TYPE_FS) - return outsw(data_addr, buf, (len + 1) / 2); - - outsw_swapw(data_addr, buf, (len + 1) / 2); -} - -static void __init falconide_setup_ports(hw_regs_t *hw) -{ - int i; - - memset(hw, 0, sizeof(*hw)); - - hw->io_ports.data_addr = ATA_HD_BASE; - - for (i = 1; i < 8; i++) - hw->io_ports_array[i] = ATA_HD_BASE + 1 + i * 4; - - hw->io_ports.ctl_addr = ATA_HD_BASE + ATA_HD_CONTROL; - - hw->irq = IRQ_MFP_IDE; - hw->ack_intr = NULL; - - hw->chipset = ide_generic; -} - - /* - * Probe for a Falcon IDE interface - */ - -static int __init falconide_init(void) -{ - hw_regs_t hw; - ide_hwif_t *hwif; - - if (!MACH_IS_ATARI || !ATARIHW_PRESENT(IDE)) - return 0; - - printk(KERN_INFO "ide: Falcon IDE controller\n"); - - if (!request_mem_region(ATA_HD_BASE, 0x40, DRV_NAME)) { - printk(KERN_ERR "%s: resources busy\n", DRV_NAME); - return -EBUSY; - } - - falconide_setup_ports(&hw); - - hwif = ide_find_port(); - if (hwif) { - u8 index = hwif->index; - u8 idx[4] = { index, 0xff, 0xff, 0xff }; - - ide_init_port_data(hwif, index); - ide_init_port_hw(hwif, &hw); - - /* Atari has a byte-swapped IDE interface */ - hwif->input_data = falconide_input_data; - hwif->output_data = falconide_output_data; - - ide_get_lock(NULL, NULL); - ide_device_add(idx, NULL); - ide_release_lock(); - } - - return 0; -} - -module_init(falconide_init); - -MODULE_LICENSE("GPL"); |
