diff options
Diffstat (limited to 'drivers/ide/legacy/q40ide.c')
| -rw-r--r-- | drivers/ide/legacy/q40ide.c | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/drivers/ide/legacy/q40ide.c b/drivers/ide/legacy/q40ide.c deleted file mode 100644 index 8ff6e2d2083..00000000000 --- a/drivers/ide/legacy/q40ide.c +++ /dev/null @@ -1,163 +0,0 @@ -/* - * Q40 I/O port IDE Driver - * - * (c) Richard Zidlicky - * - * 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/types.h> -#include <linux/mm.h> -#include <linux/interrupt.h> -#include <linux/blkdev.h> -#include <linux/hdreg.h> - -#include <linux/ide.h> - - /* - * Bases of the IDE interfaces - */ - -#define Q40IDE_NUM_HWIFS 2 - -#define PCIDE_BASE1 0x1f0 -#define PCIDE_BASE2 0x170 -#define PCIDE_BASE3 0x1e8 -#define PCIDE_BASE4 0x168 -#define PCIDE_BASE5 0x1e0 -#define PCIDE_BASE6 0x160 - -static const unsigned long pcide_bases[Q40IDE_NUM_HWIFS] = { - PCIDE_BASE1, PCIDE_BASE2, /* PCIDE_BASE3, PCIDE_BASE4 , PCIDE_BASE5, - PCIDE_BASE6 */ -}; - -static int q40ide_default_irq(unsigned long base) -{ - switch (base) { - case 0x1f0: return 14; - case 0x170: return 15; - case 0x1e8: return 11; - default: - return 0; - } -} - - -/* - * Addresses are pretranslated for Q40 ISA access. - */ -static void q40_ide_setup_ports(hw_regs_t *hw, unsigned long base, - ide_ack_intr_t *ack_intr, - int irq) -{ - memset(hw, 0, sizeof(hw_regs_t)); - /* BIG FAT WARNING: - assumption: only DATA port is ever used in 16 bit mode */ - hw->io_ports.data_addr = Q40_ISA_IO_W(base); - hw->io_ports.error_addr = Q40_ISA_IO_B(base + 1); - hw->io_ports.nsect_addr = Q40_ISA_IO_B(base + 2); - hw->io_ports.lbal_addr = Q40_ISA_IO_B(base + 3); - hw->io_ports.lbam_addr = Q40_ISA_IO_B(base + 4); - hw->io_ports.lbah_addr = Q40_ISA_IO_B(base + 5); - hw->io_ports.device_addr = Q40_ISA_IO_B(base + 6); - hw->io_ports.status_addr = Q40_ISA_IO_B(base + 7); - hw->io_ports.ctl_addr = Q40_ISA_IO_B(base + 0x206); - - hw->irq = irq; - hw->ack_intr = ack_intr; - - hw->chipset = ide_generic; -} - -static void q40ide_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 q40ide_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); -} - -/* - * the static array is needed to have the name reported in /proc/ioports, - * hwif->name unfortunately isn't available yet - */ -static const char *q40_ide_names[Q40IDE_NUM_HWIFS]={ - "ide0", "ide1" -}; - -/* - * Probe for Q40 IDE interfaces - */ - -static int __init q40ide_init(void) -{ - int i; - ide_hwif_t *hwif; - const char *name; - u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; - - if (!MACH_IS_Q40) - return -ENODEV; - - printk(KERN_INFO "ide: Q40 IDE controller\n"); - - for (i = 0; i < Q40IDE_NUM_HWIFS; i++) { - hw_regs_t hw; - - name = q40_ide_names[i]; - if (!request_region(pcide_bases[i], 8, name)) { - printk("could not reserve ports %lx-%lx for %s\n", - pcide_bases[i],pcide_bases[i]+8,name); - continue; - } - if (!request_region(pcide_bases[i]+0x206, 1, name)) { - printk("could not reserve port %lx for %s\n", - pcide_bases[i]+0x206,name); - release_region(pcide_bases[i], 8); - continue; - } - q40_ide_setup_ports(&hw, pcide_bases[i], - NULL, -// m68kide_iops, - q40ide_default_irq(pcide_bases[i])); - - hwif = ide_find_port(); - if (hwif) { - ide_init_port_data(hwif, hwif->index); - ide_init_port_hw(hwif, &hw); - - /* Q40 has a byte-swapped IDE interface */ - hwif->input_data = q40ide_input_data; - hwif->output_data = q40ide_output_data; - - idx[i] = hwif->index; - } - } - - ide_device_add(idx, NULL); - - return 0; -} - -module_init(q40ide_init); - -MODULE_LICENSE("GPL"); |