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path: root/drivers/ide/via82cxxx.c
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Diffstat (limited to 'drivers/ide/via82cxxx.c')
-rw-r--r--drivers/ide/via82cxxx.c58
1 files changed, 1 insertions, 57 deletions
diff --git a/drivers/ide/via82cxxx.c b/drivers/ide/via82cxxx.c
index e65d010b708d..101f40022386 100644
--- a/drivers/ide/via82cxxx.c
+++ b/drivers/ide/via82cxxx.c
@@ -26,6 +26,7 @@
26 26
27#include <linux/module.h> 27#include <linux/module.h>
28#include <linux/kernel.h> 28#include <linux/kernel.h>
29#include <linux/slab.h>
29#include <linux/pci.h> 30#include <linux/pci.h>
30#include <linux/init.h> 31#include <linux/init.h>
31#include <linux/ide.h> 32#include <linux/ide.h>
@@ -110,7 +111,6 @@ struct via82cxxx_dev
110{ 111{
111 struct via_isa_bridge *via_config; 112 struct via_isa_bridge *via_config;
112 unsigned int via_80w; 113 unsigned int via_80w;
113 u8 cached_device[2];
114}; 114};
115 115
116/** 116/**
@@ -403,66 +403,10 @@ static const struct ide_port_ops via_port_ops = {
403 .cable_detect = via82cxxx_cable_detect, 403 .cable_detect = via82cxxx_cable_detect,
404}; 404};
405 405
406static void via_write_devctl(ide_hwif_t *hwif, u8 ctl)
407{
408 struct via82cxxx_dev *vdev = hwif->host->host_priv;
409
410 outb(ctl, hwif->io_ports.ctl_addr);
411 outb(vdev->cached_device[hwif->channel], hwif->io_ports.device_addr);
412}
413
414static void __via_dev_select(ide_drive_t *drive, u8 select)
415{
416 ide_hwif_t *hwif = drive->hwif;
417 struct via82cxxx_dev *vdev = hwif->host->host_priv;
418
419 outb(select, hwif->io_ports.device_addr);
420 vdev->cached_device[hwif->channel] = select;
421}
422
423static void via_dev_select(ide_drive_t *drive)
424{
425 __via_dev_select(drive, drive->select | ATA_DEVICE_OBS);
426}
427
428static void via_tf_load(ide_drive_t *drive, struct ide_taskfile *tf, u8 valid)
429{
430 ide_hwif_t *hwif = drive->hwif;
431 struct ide_io_ports *io_ports = &hwif->io_ports;
432
433 if (valid & IDE_VALID_FEATURE)
434 outb(tf->feature, io_ports->feature_addr);
435 if (valid & IDE_VALID_NSECT)
436 outb(tf->nsect, io_ports->nsect_addr);
437 if (valid & IDE_VALID_LBAL)
438 outb(tf->lbal, io_ports->lbal_addr);
439 if (valid & IDE_VALID_LBAM)
440 outb(tf->lbam, io_ports->lbam_addr);
441 if (valid & IDE_VALID_LBAH)
442 outb(tf->lbah, io_ports->lbah_addr);
443 if (valid & IDE_VALID_DEVICE)
444 __via_dev_select(drive, tf->device);
445}
446
447const struct ide_tp_ops via_tp_ops = {
448 .exec_command = ide_exec_command,
449 .read_status = ide_read_status,
450 .read_altstatus = ide_read_altstatus,
451 .write_devctl = via_write_devctl,
452
453 .dev_select = via_dev_select,
454 .tf_load = via_tf_load,
455 .tf_read = ide_tf_read,
456
457 .input_data = ide_input_data,
458 .output_data = ide_output_data,
459};
460
461static const struct ide_port_info via82cxxx_chipset __devinitdata = { 406static const struct ide_port_info via82cxxx_chipset __devinitdata = {
462 .name = DRV_NAME, 407 .name = DRV_NAME,
463 .init_chipset = init_chipset_via82cxxx, 408 .init_chipset = init_chipset_via82cxxx,
464 .enablebits = { { 0x40, 0x02, 0x02 }, { 0x40, 0x01, 0x01 } }, 409 .enablebits = { { 0x40, 0x02, 0x02 }, { 0x40, 0x01, 0x01 } },
465 .tp_ops = &via_tp_ops,
466 .port_ops = &via_port_ops, 410 .port_ops = &via_port_ops,
467 .host_flags = IDE_HFLAG_PIO_NO_BLACKLIST | 411 .host_flags = IDE_HFLAG_PIO_NO_BLACKLIST |
468 IDE_HFLAG_POST_SET_MODE | 412 IDE_HFLAG_POST_SET_MODE |