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authorLen Brown <len.brown@intel.com>2006-01-07 03:50:18 -0500
committerLen Brown <len.brown@intel.com>2006-01-07 03:50:18 -0500
commited03f430cdc8c802652467e9097606fedc2c7abc (patch)
tree30941ec1e6f93e99358fefe18175e5dd800a4379 /drivers/ide
parented349a8a0a780ed27e2a765f16cee54d9b63bfee (diff)
parent6f957eaf79356a32e838f5f262ee9a60544b1d5b (diff)
Pull pnpacpi into acpica branch
Diffstat (limited to 'drivers/ide')
-rw-r--r--drivers/ide/Kconfig10
-rw-r--r--drivers/ide/ide-cd.c12
-rw-r--r--drivers/ide/ide-cd.h1
-rw-r--r--drivers/ide/ide-disk.c142
-rw-r--r--drivers/ide/ide-dma.c15
-rw-r--r--drivers/ide/ide-floppy.c1
-rw-r--r--drivers/ide/ide-io.c11
-rw-r--r--drivers/ide/ide-tape.c1
-rw-r--r--drivers/ide/ide.c60
-rw-r--r--drivers/ide/legacy/ide-cs.c132
-rw-r--r--drivers/ide/mips/Makefile3
-rw-r--r--drivers/ide/mips/au1xxx-ide.c1498
-rw-r--r--drivers/ide/pci/sgiioc4.c8
-rw-r--r--drivers/ide/pci/via82cxxx.c1
14 files changed, 723 insertions, 1172 deletions
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index 31e649a9ff71..1c81174595b3 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -807,14 +807,6 @@ config BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
807 depends on SOC_AU1200 && BLK_DEV_IDE_AU1XXX 807 depends on SOC_AU1200 && BLK_DEV_IDE_AU1XXX
808endchoice 808endchoice
809 809
810config BLK_DEV_IDE_AU1XXX_BURSTABLE_ON
811 bool "Enable burstable Mode on DbDMA"
812 default false
813 depends BLK_DEV_IDE_AU1XXX
814 help
815 This option enable the burstable Flag on DbDMA controller
816 (cf. "AMD Alchemy 'Au1200' Processor Data Book - PRELIMINARY").
817
818config BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ 810config BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ
819 int "Maximum transfer size (KB) per request (up to 128)" 811 int "Maximum transfer size (KB) per request (up to 128)"
820 default "128" 812 default "128"
@@ -940,7 +932,7 @@ config BLK_DEV_Q40IDE
940 932
941config BLK_DEV_MPC8xx_IDE 933config BLK_DEV_MPC8xx_IDE
942 bool "MPC8xx IDE support" 934 bool "MPC8xx IDE support"
943 depends on 8xx 935 depends on 8xx && IDE=y && BLK_DEV_IDE=y
944 help 936 help
945 This option provides support for IDE on Motorola MPC8xx Systems. 937 This option provides support for IDE on Motorola MPC8xx Systems.
946 Please see 'Type of MPC8xx IDE interface' for details. 938 Please see 'Type of MPC8xx IDE interface' for details.
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 9455e42abb23..d31117eb95aa 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -614,7 +614,7 @@ static void cdrom_end_request (ide_drive_t *drive, int uptodate)
614 */ 614 */
615 spin_lock_irqsave(&ide_lock, flags); 615 spin_lock_irqsave(&ide_lock, flags);
616 end_that_request_chunk(failed, 0, failed->data_len); 616 end_that_request_chunk(failed, 0, failed->data_len);
617 end_that_request_last(failed); 617 end_that_request_last(failed, 0);
618 spin_unlock_irqrestore(&ide_lock, flags); 618 spin_unlock_irqrestore(&ide_lock, flags);
619 } 619 }
620 620
@@ -1292,7 +1292,6 @@ static ide_startstop_t cdrom_start_seek (ide_drive_t *drive, unsigned int block)
1292 struct cdrom_info *info = drive->driver_data; 1292 struct cdrom_info *info = drive->driver_data;
1293 1293
1294 info->dma = 0; 1294 info->dma = 0;
1295 info->cmd = 0;
1296 info->start_seek = jiffies; 1295 info->start_seek = jiffies;
1297 return cdrom_start_packet_command(drive, 0, cdrom_start_seek_continuation); 1296 return cdrom_start_packet_command(drive, 0, cdrom_start_seek_continuation);
1298} 1297}
@@ -1344,8 +1343,6 @@ static ide_startstop_t cdrom_start_read (ide_drive_t *drive, unsigned int block)
1344 (rq->nr_sectors & (sectors_per_frame - 1))) 1343 (rq->nr_sectors & (sectors_per_frame - 1)))
1345 info->dma = 0; 1344 info->dma = 0;
1346 1345
1347 info->cmd = READ;
1348
1349 /* Start sending the read request to the drive. */ 1346 /* Start sending the read request to the drive. */
1350 return cdrom_start_packet_command(drive, 32768, cdrom_start_read_continuation); 1347 return cdrom_start_packet_command(drive, 32768, cdrom_start_read_continuation);
1351} 1348}
@@ -1484,7 +1481,6 @@ static ide_startstop_t cdrom_do_packet_command (ide_drive_t *drive)
1484 struct cdrom_info *info = drive->driver_data; 1481 struct cdrom_info *info = drive->driver_data;
1485 1482
1486 info->dma = 0; 1483 info->dma = 0;
1487 info->cmd = 0;
1488 rq->flags &= ~REQ_FAILED; 1484 rq->flags &= ~REQ_FAILED;
1489 len = rq->data_len; 1485 len = rq->data_len;
1490 1486
@@ -1739,7 +1735,7 @@ end_request:
1739 1735
1740 spin_lock_irqsave(&ide_lock, flags); 1736 spin_lock_irqsave(&ide_lock, flags);
1741 blkdev_dequeue_request(rq); 1737 blkdev_dequeue_request(rq);
1742 end_that_request_last(rq); 1738 end_that_request_last(rq, 1);
1743 HWGROUP(drive)->rq = NULL; 1739 HWGROUP(drive)->rq = NULL;
1744 spin_unlock_irqrestore(&ide_lock, flags); 1740 spin_unlock_irqrestore(&ide_lock, flags);
1745 return ide_stopped; 1741 return ide_stopped;
@@ -1891,7 +1887,6 @@ static ide_startstop_t cdrom_start_write(ide_drive_t *drive, struct request *rq)
1891 /* use dma, if possible. we don't need to check more, since we 1887 /* use dma, if possible. we don't need to check more, since we
1892 * know that the transfer is always (at least!) frame aligned */ 1888 * know that the transfer is always (at least!) frame aligned */
1893 info->dma = drive->using_dma ? 1 : 0; 1889 info->dma = drive->using_dma ? 1 : 0;
1894 info->cmd = WRITE;
1895 1890
1896 info->devinfo.media_written = 1; 1891 info->devinfo.media_written = 1;
1897 1892
@@ -1916,7 +1911,6 @@ static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
1916 rq->flags |= REQ_QUIET; 1911 rq->flags |= REQ_QUIET;
1917 1912
1918 info->dma = 0; 1913 info->dma = 0;
1919 info->cmd = 0;
1920 1914
1921 /* 1915 /*
1922 * sg request 1916 * sg request
@@ -1925,7 +1919,6 @@ static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
1925 int mask = drive->queue->dma_alignment; 1919 int mask = drive->queue->dma_alignment;
1926 unsigned long addr = (unsigned long) page_address(bio_page(rq->bio)); 1920 unsigned long addr = (unsigned long) page_address(bio_page(rq->bio));
1927 1921
1928 info->cmd = rq_data_dir(rq);
1929 info->dma = drive->using_dma; 1922 info->dma = drive->using_dma;
1930 1923
1931 /* 1924 /*
@@ -3516,6 +3509,7 @@ static int __init ide_cdrom_init(void)
3516 return driver_register(&ide_cdrom_driver.gen_driver); 3509 return driver_register(&ide_cdrom_driver.gen_driver);
3517} 3510}
3518 3511
3512MODULE_ALIAS("ide:*m-cdrom*");
3519module_init(ide_cdrom_init); 3513module_init(ide_cdrom_init);
3520module_exit(ide_cdrom_exit); 3514module_exit(ide_cdrom_exit);
3521MODULE_LICENSE("GPL"); 3515MODULE_LICENSE("GPL");
diff --git a/drivers/ide/ide-cd.h b/drivers/ide/ide-cd.h
index 7ca3e5afc665..ad1f2ed14a37 100644
--- a/drivers/ide/ide-cd.h
+++ b/drivers/ide/ide-cd.h
@@ -480,7 +480,6 @@ struct cdrom_info {
480 480
481 struct request request_sense_request; 481 struct request request_sense_request;
482 int dma; 482 int dma;
483 int cmd;
484 unsigned long last_block; 483 unsigned long last_block;
485 unsigned long start_seek; 484 unsigned long start_seek;
486 /* Buffer to hold mechanism status and changer slot table. */ 485 /* Buffer to hold mechanism status and changer slot table. */
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index f4e3d3527b0e..4b441720b6ba 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -681,50 +681,9 @@ static ide_proc_entry_t idedisk_proc[] = {
681 681
682#endif /* CONFIG_PROC_FS */ 682#endif /* CONFIG_PROC_FS */
683 683
684static void idedisk_end_flush(request_queue_t *q, struct request *flush_rq) 684static void idedisk_prepare_flush(request_queue_t *q, struct request *rq)
685{ 685{
686 ide_drive_t *drive = q->queuedata; 686 ide_drive_t *drive = q->queuedata;
687 struct request *rq = flush_rq->end_io_data;
688 int good_sectors = rq->hard_nr_sectors;
689 int bad_sectors;
690 sector_t sector;
691
692 if (flush_rq->errors & ABRT_ERR) {
693 printk(KERN_ERR "%s: barrier support doesn't work\n", drive->name);
694 blk_queue_ordered(drive->queue, QUEUE_ORDERED_NONE);
695 blk_queue_issue_flush_fn(drive->queue, NULL);
696 good_sectors = 0;
697 } else if (flush_rq->errors) {
698 good_sectors = 0;
699 if (blk_barrier_preflush(rq)) {
700 sector = ide_get_error_location(drive,flush_rq->buffer);
701 if ((sector >= rq->hard_sector) &&
702 (sector < rq->hard_sector + rq->hard_nr_sectors))
703 good_sectors = sector - rq->hard_sector;
704 }
705 }
706
707 if (flush_rq->errors)
708 printk(KERN_ERR "%s: failed barrier write: "
709 "sector=%Lx(good=%d/bad=%d)\n",
710 drive->name, (unsigned long long)rq->sector,
711 good_sectors,
712 (int) (rq->hard_nr_sectors-good_sectors));
713
714 bad_sectors = rq->hard_nr_sectors - good_sectors;
715
716 if (good_sectors)
717 __ide_end_request(drive, rq, 1, good_sectors);
718 if (bad_sectors)
719 __ide_end_request(drive, rq, 0, bad_sectors);
720}
721
722static int idedisk_prepare_flush(request_queue_t *q, struct request *rq)
723{
724 ide_drive_t *drive = q->queuedata;
725
726 if (!drive->wcache)
727 return 0;
728 687
729 memset(rq->cmd, 0, sizeof(rq->cmd)); 688 memset(rq->cmd, 0, sizeof(rq->cmd));
730 689
@@ -735,9 +694,8 @@ static int idedisk_prepare_flush(request_queue_t *q, struct request *rq)
735 rq->cmd[0] = WIN_FLUSH_CACHE; 694 rq->cmd[0] = WIN_FLUSH_CACHE;
736 695
737 696
738 rq->flags |= REQ_DRIVE_TASK | REQ_SOFTBARRIER; 697 rq->flags |= REQ_DRIVE_TASK;
739 rq->buffer = rq->cmd; 698 rq->buffer = rq->cmd;
740 return 1;
741} 699}
742 700
743static int idedisk_issue_flush(request_queue_t *q, struct gendisk *disk, 701static int idedisk_issue_flush(request_queue_t *q, struct gendisk *disk,
@@ -794,27 +752,64 @@ static int set_nowerr(ide_drive_t *drive, int arg)
794 return 0; 752 return 0;
795} 753}
796 754
755static void update_ordered(ide_drive_t *drive)
756{
757 struct hd_driveid *id = drive->id;
758 unsigned ordered = QUEUE_ORDERED_NONE;
759 prepare_flush_fn *prep_fn = NULL;
760 issue_flush_fn *issue_fn = NULL;
761
762 if (drive->wcache) {
763 unsigned long long capacity;
764 int barrier;
765 /*
766 * We must avoid issuing commands a drive does not
767 * understand or we may crash it. We check flush cache
768 * is supported. We also check we have the LBA48 flush
769 * cache if the drive capacity is too large. By this
770 * time we have trimmed the drive capacity if LBA48 is
771 * not available so we don't need to recheck that.
772 */
773 capacity = idedisk_capacity(drive);
774 barrier = ide_id_has_flush_cache(id) &&
775 (drive->addressing == 0 || capacity <= (1ULL << 28) ||
776 ide_id_has_flush_cache_ext(id));
777
778 printk(KERN_INFO "%s: cache flushes %ssupported\n",
779 drive->name, barrier ? "" : "not");
780
781 if (barrier) {
782 ordered = QUEUE_ORDERED_DRAIN_FLUSH;
783 prep_fn = idedisk_prepare_flush;
784 issue_fn = idedisk_issue_flush;
785 }
786 } else
787 ordered = QUEUE_ORDERED_DRAIN;
788
789 blk_queue_ordered(drive->queue, ordered, prep_fn);
790 blk_queue_issue_flush_fn(drive->queue, issue_fn);
791}
792
797static int write_cache(ide_drive_t *drive, int arg) 793static int write_cache(ide_drive_t *drive, int arg)
798{ 794{
799 ide_task_t args; 795 ide_task_t args;
800 int err; 796 int err = 1;
801
802 if (!ide_id_has_flush_cache(drive->id))
803 return 1;
804 797
805 memset(&args, 0, sizeof(ide_task_t)); 798 if (ide_id_has_flush_cache(drive->id)) {
806 args.tfRegister[IDE_FEATURE_OFFSET] = (arg) ? 799 memset(&args, 0, sizeof(ide_task_t));
800 args.tfRegister[IDE_FEATURE_OFFSET] = (arg) ?
807 SETFEATURES_EN_WCACHE : SETFEATURES_DIS_WCACHE; 801 SETFEATURES_EN_WCACHE : SETFEATURES_DIS_WCACHE;
808 args.tfRegister[IDE_COMMAND_OFFSET] = WIN_SETFEATURES; 802 args.tfRegister[IDE_COMMAND_OFFSET] = WIN_SETFEATURES;
809 args.command_type = IDE_DRIVE_TASK_NO_DATA; 803 args.command_type = IDE_DRIVE_TASK_NO_DATA;
810 args.handler = &task_no_data_intr; 804 args.handler = &task_no_data_intr;
805 err = ide_raw_taskfile(drive, &args, NULL);
806 if (err == 0)
807 drive->wcache = arg;
808 }
811 809
812 err = ide_raw_taskfile(drive, &args, NULL); 810 update_ordered(drive);
813 if (err)
814 return err;
815 811
816 drive->wcache = arg; 812 return err;
817 return 0;
818} 813}
819 814
820static int do_idedisk_flushcache (ide_drive_t *drive) 815static int do_idedisk_flushcache (ide_drive_t *drive)
@@ -888,7 +883,6 @@ static void idedisk_setup (ide_drive_t *drive)
888{ 883{
889 struct hd_driveid *id = drive->id; 884 struct hd_driveid *id = drive->id;
890 unsigned long long capacity; 885 unsigned long long capacity;
891 int barrier;
892 886
893 idedisk_add_settings(drive); 887 idedisk_add_settings(drive);
894 888
@@ -992,31 +986,6 @@ static void idedisk_setup (ide_drive_t *drive)
992 drive->wcache = 1; 986 drive->wcache = 1;
993 987
994 write_cache(drive, 1); 988 write_cache(drive, 1);
995
996 /*
997 * We must avoid issuing commands a drive does not understand
998 * or we may crash it. We check flush cache is supported. We also
999 * check we have the LBA48 flush cache if the drive capacity is
1000 * too large. By this time we have trimmed the drive capacity if
1001 * LBA48 is not available so we don't need to recheck that.
1002 */
1003 barrier = 0;
1004 if (ide_id_has_flush_cache(id))
1005 barrier = 1;
1006 if (drive->addressing == 1) {
1007 /* Can't issue the correct flush ? */
1008 if (capacity > (1ULL << 28) && !ide_id_has_flush_cache_ext(id))
1009 barrier = 0;
1010 }
1011
1012 printk(KERN_INFO "%s: cache flushes %ssupported\n",
1013 drive->name, barrier ? "" : "not ");
1014 if (barrier) {
1015 blk_queue_ordered(drive->queue, QUEUE_ORDERED_FLUSH);
1016 drive->queue->prepare_flush_fn = idedisk_prepare_flush;
1017 drive->queue->end_flush_fn = idedisk_end_flush;
1018 blk_queue_issue_flush_fn(drive->queue, idedisk_issue_flush);
1019 }
1020} 989}
1021 990
1022static void ide_cacheflush_p(ide_drive_t *drive) 991static void ide_cacheflush_p(ide_drive_t *drive)
@@ -1034,12 +1003,12 @@ static int ide_disk_remove(struct device *dev)
1034 struct ide_disk_obj *idkp = drive->driver_data; 1003 struct ide_disk_obj *idkp = drive->driver_data;
1035 struct gendisk *g = idkp->disk; 1004 struct gendisk *g = idkp->disk;
1036 1005
1037 ide_cacheflush_p(drive);
1038
1039 ide_unregister_subdriver(drive, idkp->driver); 1006 ide_unregister_subdriver(drive, idkp->driver);
1040 1007
1041 del_gendisk(g); 1008 del_gendisk(g);
1042 1009
1010 ide_cacheflush_p(drive);
1011
1043 ide_disk_put(idkp); 1012 ide_disk_put(idkp);
1044 1013
1045 return 0; 1014 return 0;
@@ -1271,6 +1240,7 @@ static int __init idedisk_init(void)
1271 return driver_register(&idedisk_driver.gen_driver); 1240 return driver_register(&idedisk_driver.gen_driver);
1272} 1241}
1273 1242
1243MODULE_ALIAS("ide:*m-disk*");
1274module_init(idedisk_init); 1244module_init(idedisk_init);
1275module_exit(idedisk_exit); 1245module_exit(idedisk_exit);
1276MODULE_LICENSE("GPL"); 1246MODULE_LICENSE("GPL");
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 1e1531334c25..0523da77425a 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -90,11 +90,6 @@
90#include <asm/io.h> 90#include <asm/io.h>
91#include <asm/irq.h> 91#include <asm/irq.h>
92 92
93struct drive_list_entry {
94 const char *id_model;
95 const char *id_firmware;
96};
97
98static const struct drive_list_entry drive_whitelist [] = { 93static const struct drive_list_entry drive_whitelist [] = {
99 94
100 { "Micropolis 2112A" , "ALL" }, 95 { "Micropolis 2112A" , "ALL" },
@@ -139,7 +134,7 @@ static const struct drive_list_entry drive_blacklist [] = {
139}; 134};
140 135
141/** 136/**
142 * in_drive_list - look for drive in black/white list 137 * ide_in_drive_list - look for drive in black/white list
143 * @id: drive identifier 138 * @id: drive identifier
144 * @drive_table: list to inspect 139 * @drive_table: list to inspect
145 * 140 *
@@ -147,7 +142,7 @@ static const struct drive_list_entry drive_blacklist [] = {
147 * Returns 1 if the drive is found in the table. 142 * Returns 1 if the drive is found in the table.
148 */ 143 */
149 144
150static int in_drive_list(struct hd_driveid *id, const struct drive_list_entry *drive_table) 145int ide_in_drive_list(struct hd_driveid *id, const struct drive_list_entry *drive_table)
151{ 146{
152 for ( ; drive_table->id_model ; drive_table++) 147 for ( ; drive_table->id_model ; drive_table++)
153 if ((!strcmp(drive_table->id_model, id->model)) && 148 if ((!strcmp(drive_table->id_model, id->model)) &&
@@ -157,6 +152,8 @@ static int in_drive_list(struct hd_driveid *id, const struct drive_list_entry *d
157 return 0; 152 return 0;
158} 153}
159 154
155EXPORT_SYMBOL_GPL(ide_in_drive_list);
156
160/** 157/**
161 * ide_dma_intr - IDE DMA interrupt handler 158 * ide_dma_intr - IDE DMA interrupt handler
162 * @drive: the drive the interrupt is for 159 * @drive: the drive the interrupt is for
@@ -663,7 +660,7 @@ int __ide_dma_bad_drive (ide_drive_t *drive)
663{ 660{
664 struct hd_driveid *id = drive->id; 661 struct hd_driveid *id = drive->id;
665 662
666 int blacklist = in_drive_list(id, drive_blacklist); 663 int blacklist = ide_in_drive_list(id, drive_blacklist);
667 if (blacklist) { 664 if (blacklist) {
668 printk(KERN_WARNING "%s: Disabling (U)DMA for %s (blacklisted)\n", 665 printk(KERN_WARNING "%s: Disabling (U)DMA for %s (blacklisted)\n",
669 drive->name, id->model); 666 drive->name, id->model);
@@ -677,7 +674,7 @@ EXPORT_SYMBOL(__ide_dma_bad_drive);
677int __ide_dma_good_drive (ide_drive_t *drive) 674int __ide_dma_good_drive (ide_drive_t *drive)
678{ 675{
679 struct hd_driveid *id = drive->id; 676 struct hd_driveid *id = drive->id;
680 return in_drive_list(id, drive_whitelist); 677 return ide_in_drive_list(id, drive_whitelist);
681} 678}
682 679
683EXPORT_SYMBOL(__ide_dma_good_drive); 680EXPORT_SYMBOL(__ide_dma_good_drive);
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 9e293c8063dc..fba3fffc2d66 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -2197,6 +2197,7 @@ static int __init idefloppy_init(void)
2197 return driver_register(&idefloppy_driver.gen_driver); 2197 return driver_register(&idefloppy_driver.gen_driver);
2198} 2198}
2199 2199
2200MODULE_ALIAS("ide:*m-floppy*");
2200module_init(idefloppy_init); 2201module_init(idefloppy_init);
2201module_exit(idefloppy_exit); 2202module_exit(idefloppy_exit);
2202MODULE_LICENSE("GPL"); 2203MODULE_LICENSE("GPL");
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index ecfafcdafea4..b5dc6df8e67d 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -89,7 +89,7 @@ int __ide_end_request(ide_drive_t *drive, struct request *rq, int uptodate,
89 89
90 blkdev_dequeue_request(rq); 90 blkdev_dequeue_request(rq);
91 HWGROUP(drive)->rq = NULL; 91 HWGROUP(drive)->rq = NULL;
92 end_that_request_last(rq); 92 end_that_request_last(rq, uptodate);
93 ret = 0; 93 ret = 0;
94 } 94 }
95 return ret; 95 return ret;
@@ -119,10 +119,7 @@ int ide_end_request (ide_drive_t *drive, int uptodate, int nr_sectors)
119 if (!nr_sectors) 119 if (!nr_sectors)
120 nr_sectors = rq->hard_cur_sectors; 120 nr_sectors = rq->hard_cur_sectors;
121 121
122 if (blk_complete_barrier_rq_locked(drive->queue, rq, nr_sectors)) 122 ret = __ide_end_request(drive, rq, uptodate, nr_sectors);
123 ret = rq->nr_sectors != 0;
124 else
125 ret = __ide_end_request(drive, rq, uptodate, nr_sectors);
126 123
127 spin_unlock_irqrestore(&ide_lock, flags); 124 spin_unlock_irqrestore(&ide_lock, flags);
128 return ret; 125 return ret;
@@ -247,7 +244,7 @@ static void ide_complete_pm_request (ide_drive_t *drive, struct request *rq)
247 } 244 }
248 blkdev_dequeue_request(rq); 245 blkdev_dequeue_request(rq);
249 HWGROUP(drive)->rq = NULL; 246 HWGROUP(drive)->rq = NULL;
250 end_that_request_last(rq); 247 end_that_request_last(rq, 1);
251 spin_unlock_irqrestore(&ide_lock, flags); 248 spin_unlock_irqrestore(&ide_lock, flags);
252} 249}
253 250
@@ -379,7 +376,7 @@ void ide_end_drive_cmd (ide_drive_t *drive, u8 stat, u8 err)
379 blkdev_dequeue_request(rq); 376 blkdev_dequeue_request(rq);
380 HWGROUP(drive)->rq = NULL; 377 HWGROUP(drive)->rq = NULL;
381 rq->errors = err; 378 rq->errors = err;
382 end_that_request_last(rq); 379 end_that_request_last(rq, !rq->errors);
383 spin_unlock_irqrestore(&ide_lock, flags); 380 spin_unlock_irqrestore(&ide_lock, flags);
384} 381}
385 382
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 7d7944ed4158..fab9b2b02504 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -4947,6 +4947,7 @@ out:
4947 return error; 4947 return error;
4948} 4948}
4949 4949
4950MODULE_ALIAS("ide:*m-tape*");
4950module_init(idetape_init); 4951module_init(idetape_init);
4951module_exit(idetape_exit); 4952module_exit(idetape_exit);
4952MODULE_ALIAS_CHARDEV_MAJOR(IDETAPE_MAJOR); 4953MODULE_ALIAS_CHARDEV_MAJOR(IDETAPE_MAJOR);
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 8af179b531c3..4b524f6b3ecd 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -1904,9 +1904,69 @@ static int ide_bus_match(struct device *dev, struct device_driver *drv)
1904 return 1; 1904 return 1;
1905} 1905}
1906 1906
1907static char *media_string(ide_drive_t *drive)
1908{
1909 switch (drive->media) {
1910 case ide_disk:
1911 return "disk";
1912 case ide_cdrom:
1913 return "cdrom";
1914 case ide_tape:
1915 return "tape";
1916 case ide_floppy:
1917 return "floppy";
1918 default:
1919 return "UNKNOWN";
1920 }
1921}
1922
1923static ssize_t media_show(struct device *dev, struct device_attribute *attr, char *buf)
1924{
1925 ide_drive_t *drive = to_ide_device(dev);
1926 return sprintf(buf, "%s\n", media_string(drive));
1927}
1928
1929static ssize_t drivename_show(struct device *dev, struct device_attribute *attr, char *buf)
1930{
1931 ide_drive_t *drive = to_ide_device(dev);
1932 return sprintf(buf, "%s\n", drive->name);
1933}
1934
1935static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, char *buf)
1936{
1937 ide_drive_t *drive = to_ide_device(dev);
1938 return sprintf(buf, "ide:m-%s\n", media_string(drive));
1939}
1940
1941static struct device_attribute ide_dev_attrs[] = {
1942 __ATTR_RO(media),
1943 __ATTR_RO(drivename),
1944 __ATTR_RO(modalias),
1945 __ATTR_NULL
1946};
1947
1948static int ide_uevent(struct device *dev, char **envp, int num_envp,
1949 char *buffer, int buffer_size)
1950{
1951 ide_drive_t *drive = to_ide_device(dev);
1952 int i = 0;
1953 int length = 0;
1954
1955 add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length,
1956 "MEDIA=%s", media_string(drive));
1957 add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length,
1958 "DRIVENAME=%s", drive->name);
1959 add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length,
1960 "MODALIAS=ide:m-%s", media_string(drive));
1961 envp[i] = NULL;
1962 return 0;
1963}
1964
1907struct bus_type ide_bus_type = { 1965struct bus_type ide_bus_type = {
1908 .name = "ide", 1966 .name = "ide",
1909 .match = ide_bus_match, 1967 .match = ide_bus_match,
1968 .uevent = ide_uevent,
1969 .dev_attrs = ide_dev_attrs,
1910 .suspend = generic_ide_suspend, 1970 .suspend = generic_ide_suspend,
1911 .resume = generic_ide_resume, 1971 .resume = generic_ide_resume,
1912}; 1972};
diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c
index ef79805218e4..4c2af9020905 100644
--- a/drivers/ide/legacy/ide-cs.c
+++ b/drivers/ide/legacy/ide-cs.c
@@ -88,15 +88,12 @@ typedef struct ide_info_t {
88} ide_info_t; 88} ide_info_t;
89 89
90static void ide_release(dev_link_t *); 90static void ide_release(dev_link_t *);
91static int ide_event(event_t event, int priority, 91static void ide_config(dev_link_t *);
92 event_callback_args_t *args); 92
93static void ide_detach(struct pcmcia_device *p_dev);
93 94
94static dev_info_t dev_info = "ide-cs";
95 95
96static dev_link_t *ide_attach(void);
97static void ide_detach(dev_link_t *);
98 96
99static dev_link_t *dev_list = NULL;
100 97
101/*====================================================================== 98/*======================================================================
102 99
@@ -106,18 +103,17 @@ static dev_link_t *dev_list = NULL;
106 103
107======================================================================*/ 104======================================================================*/
108 105
109static dev_link_t *ide_attach(void) 106static int ide_attach(struct pcmcia_device *p_dev)
110{ 107{
111 ide_info_t *info; 108 ide_info_t *info;
112 dev_link_t *link; 109 dev_link_t *link;
113 client_reg_t client_reg; 110
114 int ret;
115
116 DEBUG(0, "ide_attach()\n"); 111 DEBUG(0, "ide_attach()\n");
117 112
118 /* Create new ide device */ 113 /* Create new ide device */
119 info = kzalloc(sizeof(*info), GFP_KERNEL); 114 info = kzalloc(sizeof(*info), GFP_KERNEL);
120 if (!info) return NULL; 115 if (!info)
116 return -ENOMEM;
121 link = &info->link; link->priv = info; 117 link = &info->link; link->priv = info;
122 118
123 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; 119 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
@@ -128,21 +124,14 @@ static dev_link_t *ide_attach(void)
128 link->conf.Attributes = CONF_ENABLE_IRQ; 124 link->conf.Attributes = CONF_ENABLE_IRQ;
129 link->conf.Vcc = 50; 125 link->conf.Vcc = 50;
130 link->conf.IntType = INT_MEMORY_AND_IO; 126 link->conf.IntType = INT_MEMORY_AND_IO;
131 127
132 /* Register with Card Services */ 128 link->handle = p_dev;
133 link->next = dev_list; 129 p_dev->instance = link;
134 dev_list = link; 130
135 client_reg.dev_info = &dev_info; 131 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
136 client_reg.Version = 0x0210; 132 ide_config(link);
137 client_reg.event_callback_args.client_data = link; 133
138 ret = pcmcia_register_client(&link->handle, &client_reg); 134 return 0;
139 if (ret != CS_SUCCESS) {
140 cs_error(link->handle, RegisterClient, ret);
141 ide_detach(link);
142 return NULL;
143 }
144
145 return link;
146} /* ide_attach */ 135} /* ide_attach */
147 136
148/*====================================================================== 137/*======================================================================
@@ -154,32 +143,16 @@ static dev_link_t *ide_attach(void)
154 143
155======================================================================*/ 144======================================================================*/
156 145
157static void ide_detach(dev_link_t *link) 146static void ide_detach(struct pcmcia_device *p_dev)
158{ 147{
159 dev_link_t **linkp; 148 dev_link_t *link = dev_to_instance(p_dev);
160 int ret;
161 149
162 DEBUG(0, "ide_detach(0x%p)\n", link); 150 DEBUG(0, "ide_detach(0x%p)\n", link);
163
164 /* Locate device structure */
165 for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
166 if (*linkp == link) break;
167 if (*linkp == NULL)
168 return;
169 151
170 if (link->state & DEV_CONFIG) 152 if (link->state & DEV_CONFIG)
171 ide_release(link); 153 ide_release(link);
172 154
173 if (link->handle) {
174 ret = pcmcia_deregister_client(link->handle);
175 if (ret != CS_SUCCESS)
176 cs_error(link->handle, DeregisterClient, ret);
177 }
178
179 /* Unlink, free device structure */
180 *linkp = link->next;
181 kfree(link->priv); 155 kfree(link->priv);
182
183} /* ide_detach */ 156} /* ide_detach */
184 157
185static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq, struct pcmcia_device *handle) 158static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq, struct pcmcia_device *handle)
@@ -406,6 +379,28 @@ void ide_release(dev_link_t *link)
406 379
407} /* ide_release */ 380} /* ide_release */
408 381
382static int ide_suspend(struct pcmcia_device *dev)
383{
384 dev_link_t *link = dev_to_instance(dev);
385
386 link->state |= DEV_SUSPEND;
387 if (link->state & DEV_CONFIG)
388 pcmcia_release_configuration(link->handle);
389
390 return 0;
391}
392
393static int ide_resume(struct pcmcia_device *dev)
394{
395 dev_link_t *link = dev_to_instance(dev);
396
397 link->state &= ~DEV_SUSPEND;
398 if (DEV_OK(link))
399 pcmcia_request_configuration(link->handle, &link->conf);
400
401 return 0;
402}
403
409/*====================================================================== 404/*======================================================================
410 405
411 The card status event handler. Mostly, this schedules other 406 The card status event handler. Mostly, this schedules other
@@ -415,48 +410,15 @@ void ide_release(dev_link_t *link)
415 410
416======================================================================*/ 411======================================================================*/
417 412
418int ide_event(event_t event, int priority,
419 event_callback_args_t *args)
420{
421 dev_link_t *link = args->client_data;
422
423 DEBUG(1, "ide_event(0x%06x)\n", event);
424
425 switch (event) {
426 case CS_EVENT_CARD_REMOVAL:
427 link->state &= ~DEV_PRESENT;
428 if (link->state & DEV_CONFIG)
429 ide_release(link);
430 break;
431 case CS_EVENT_CARD_INSERTION:
432 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
433 ide_config(link);
434 break;
435 case CS_EVENT_PM_SUSPEND:
436 link->state |= DEV_SUSPEND;
437 /* Fall through... */
438 case CS_EVENT_RESET_PHYSICAL:
439 if (link->state & DEV_CONFIG)
440 pcmcia_release_configuration(link->handle);
441 break;
442 case CS_EVENT_PM_RESUME:
443 link->state &= ~DEV_SUSPEND;
444 /* Fall through... */
445 case CS_EVENT_CARD_RESET:
446 if (DEV_OK(link))
447 pcmcia_request_configuration(link->handle, &link->conf);
448 break;
449 }
450 return 0;
451} /* ide_event */
452
453static struct pcmcia_device_id ide_ids[] = { 413static struct pcmcia_device_id ide_ids[] = {
454 PCMCIA_DEVICE_FUNC_ID(4), 414 PCMCIA_DEVICE_FUNC_ID(4),
415 PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000), /* Hitachi */
455 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704), 416 PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
456 PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401), 417 PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401),
457 PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */ 418 PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */
458 PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d), 419 PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d),
459 PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */ 420 PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */
421 PCMCIA_DEVICE_MANF_CARD(0x0319, 0x0000), /* Hitachi */
460 PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001), 422 PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001),
461 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar */ 423 PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar */
462 PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0), 424 PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0),
@@ -471,6 +433,8 @@ static struct pcmcia_device_id ide_ids[] = {
471 PCMCIA_DEVICE_PROD_ID12("EXP ", "CD-ROM", 0x0a5c52fd, 0x66536591), 433 PCMCIA_DEVICE_PROD_ID12("EXP ", "CD-ROM", 0x0a5c52fd, 0x66536591),
472 PCMCIA_DEVICE_PROD_ID12("EXP ", "PnPIDE", 0x0a5c52fd, 0x0c694728), 434 PCMCIA_DEVICE_PROD_ID12("EXP ", "PnPIDE", 0x0a5c52fd, 0x0c694728),
473 PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e), 435 PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e),
436 PCMCIA_DEVICE_PROD_ID12("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae),
437 PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178),
474 PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753), 438 PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753),
475 PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b), 439 PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b),
476 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149), 440 PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149),
@@ -494,10 +458,11 @@ static struct pcmcia_driver ide_cs_driver = {
494 .drv = { 458 .drv = {
495 .name = "ide-cs", 459 .name = "ide-cs",
496 }, 460 },
497 .attach = ide_attach, 461 .probe = ide_attach,
498 .event = ide_event, 462 .remove = ide_detach,
499 .detach = ide_detach,
500 .id_table = ide_ids, 463 .id_table = ide_ids,
464 .suspend = ide_suspend,
465 .resume = ide_resume,
501}; 466};
502 467
503static int __init init_ide_cs(void) 468static int __init init_ide_cs(void)
@@ -508,7 +473,6 @@ static int __init init_ide_cs(void)
508static void __exit exit_ide_cs(void) 473static void __exit exit_ide_cs(void)
509{ 474{
510 pcmcia_unregister_driver(&ide_cs_driver); 475 pcmcia_unregister_driver(&ide_cs_driver);
511 BUG_ON(dev_list != NULL);
512} 476}
513 477
514late_initcall(init_ide_cs); 478late_initcall(init_ide_cs);
diff --git a/drivers/ide/mips/Makefile b/drivers/ide/mips/Makefile
index 578e52a59588..677c7b2bac92 100644
--- a/drivers/ide/mips/Makefile
+++ b/drivers/ide/mips/Makefile
@@ -1 +1,4 @@
1obj-$(CONFIG_BLK_DEV_IDE_SWARM) += swarm.o 1obj-$(CONFIG_BLK_DEV_IDE_SWARM) += swarm.o
2obj-$(CONFIG_BLK_DEV_IDE_AU1XXX) += au1xxx-ide.o
3
4EXTRA_CFLAGS := -Idrivers/ide
diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c
index 2b6327c576b9..32431dcf5d8e 100644
--- a/drivers/ide/mips/au1xxx-ide.c
+++ b/drivers/ide/mips/au1xxx-ide.c
@@ -31,865 +31,638 @@
31 */ 31 */
32#undef REALLY_SLOW_IO /* most systems can safely undef this */ 32#undef REALLY_SLOW_IO /* most systems can safely undef this */
33 33
34#include <linux/config.h> /* for CONFIG_BLK_DEV_IDEPCI */
35#include <linux/types.h> 34#include <linux/types.h>
36#include <linux/module.h> 35#include <linux/module.h>
37#include <linux/kernel.h> 36#include <linux/kernel.h>
38#include <linux/delay.h> 37#include <linux/delay.h>
39#include <linux/timer.h> 38#include <linux/platform_device.h>
40#include <linux/mm.h> 39
41#include <linux/ioport.h>
42#include <linux/hdreg.h>
43#include <linux/init.h> 40#include <linux/init.h>
44#include <linux/ide.h> 41#include <linux/ide.h>
45#include <linux/sysdev.h> 42#include <linux/sysdev.h>
46 43
47#include <linux/dma-mapping.h> 44#include <linux/dma-mapping.h>
48 45
46#include "ide-timing.h"
47
49#include <asm/io.h> 48#include <asm/io.h>
50#include <asm/mach-au1x00/au1xxx.h> 49#include <asm/mach-au1x00/au1xxx.h>
51#include <asm/mach-au1x00/au1xxx_dbdma.h> 50#include <asm/mach-au1x00/au1xxx_dbdma.h>
52 51
53#if CONFIG_PM
54#include <asm/mach-au1x00/au1xxx_pm.h>
55#endif
56
57#include <asm/mach-au1x00/au1xxx_ide.h> 52#include <asm/mach-au1x00/au1xxx_ide.h>
58 53
59#define DRV_NAME "au1200-ide" 54#define DRV_NAME "au1200-ide"
60#define DRV_VERSION "1.0" 55#define DRV_VERSION "1.0"
61#define DRV_AUTHOR "AMD PCS / Pete Popov <ppopov@embeddedalley.com>" 56#define DRV_AUTHOR "Enrico Walther <enrico.walther@amd.com> / Pete Popov <ppopov@embeddedalley.com>"
62#define DRV_DESC "Au1200 IDE"
63
64static _auide_hwif auide_hwif;
65static spinlock_t ide_tune_drive_spin_lock = SPIN_LOCK_UNLOCKED;
66static spinlock_t ide_tune_chipset_spin_lock = SPIN_LOCK_UNLOCKED;
67static int dbdma_init_done = 0;
68
69/*
70 * local I/O functions
71 */
72u8 auide_inb(unsigned long port)
73{
74 return (au_readb(port));
75}
76 57
77u16 auide_inw(unsigned long port) 58/* enable the burstmode in the dbdma */
78{ 59#define IDE_AU1XXX_BURSTMODE 1
79 return (au_readw(port));
80}
81 60
82u32 auide_inl(unsigned long port) 61static _auide_hwif auide_hwif;
83{ 62static int dbdma_init_done;
84 return (au_readl(port));
85}
86 63
87void auide_insw(unsigned long port, void *addr, u32 count)
88{
89#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA) 64#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA)
90 65
91 _auide_hwif *ahwif = &auide_hwif; 66void auide_insw(unsigned long port, void *addr, u32 count)
92 chan_tab_t *ctp;
93 au1x_ddma_desc_t *dp;
94
95 if(!put_dest_flags(ahwif->rx_chan, (void*)addr, count << 1,
96 DDMA_FLAGS_NOIE)) {
97 printk(KERN_ERR "%s failed %d\n", __FUNCTION__, __LINE__);
98 return;
99 }
100 ctp = *((chan_tab_t **)ahwif->rx_chan);
101 dp = ctp->cur_ptr;
102 while (dp->dscr_cmd0 & DSCR_CMD0_V)
103 ;
104 ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp);
105#else
106 while (count--)
107 {
108 *(u16 *)addr = au_readw(port);
109 addr +=2 ;
110 }
111#endif
112}
113
114void auide_insl(unsigned long port, void *addr, u32 count)
115{
116 while (count--)
117 {
118 *(u32 *)addr = au_readl(port);
119 /* NOTE: For IDE interfaces over PCMCIA,
120 * 32-bit access does not work
121 */
122 addr += 4;
123 }
124}
125
126void auide_outb(u8 addr, unsigned long port)
127{ 67{
128 return (au_writeb(addr, port)); 68 _auide_hwif *ahwif = &auide_hwif;
129} 69 chan_tab_t *ctp;
70 au1x_ddma_desc_t *dp;
130 71
131void auide_outbsync(ide_drive_t *drive, u8 addr, unsigned long port) 72 if(!put_dest_flags(ahwif->rx_chan, (void*)addr, count << 1,
132{ 73 DDMA_FLAGS_NOIE)) {
133 return (au_writeb(addr, port)); 74 printk(KERN_ERR "%s failed %d\n", __FUNCTION__, __LINE__);
75 return;
76 }
77 ctp = *((chan_tab_t **)ahwif->rx_chan);
78 dp = ctp->cur_ptr;
79 while (dp->dscr_cmd0 & DSCR_CMD0_V)
80 ;
81 ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp);
134} 82}
135 83
136void auide_outw(u16 addr, unsigned long port) 84void auide_outsw(unsigned long port, void *addr, u32 count)
137{ 85{
138 return (au_writew(addr, port)); 86 _auide_hwif *ahwif = &auide_hwif;
139} 87 chan_tab_t *ctp;
88 au1x_ddma_desc_t *dp;
140 89
141void auide_outl(u32 addr, unsigned long port) 90 if(!put_source_flags(ahwif->tx_chan, (void*)addr,
142{ 91 count << 1, DDMA_FLAGS_NOIE)) {
143 return (au_writel(addr, port)); 92 printk(KERN_ERR "%s failed %d\n", __FUNCTION__, __LINE__);
93 return;
94 }
95 ctp = *((chan_tab_t **)ahwif->tx_chan);
96 dp = ctp->cur_ptr;
97 while (dp->dscr_cmd0 & DSCR_CMD0_V)
98 ;
99 ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp);
144} 100}
145 101
146void auide_outsw(unsigned long port, void *addr, u32 count)
147{
148#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA)
149 _auide_hwif *ahwif = &auide_hwif;
150 chan_tab_t *ctp;
151 au1x_ddma_desc_t *dp;
152
153 if(!put_source_flags(ahwif->tx_chan, (void*)addr,
154 count << 1, DDMA_FLAGS_NOIE)) {
155 printk(KERN_ERR "%s failed %d\n", __FUNCTION__, __LINE__);
156 return;
157 }
158 ctp = *((chan_tab_t **)ahwif->tx_chan);
159 dp = ctp->cur_ptr;
160 while (dp->dscr_cmd0 & DSCR_CMD0_V)
161 ;
162 ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp);
163#else
164 while (count--)
165 {
166 au_writew(*(u16 *)addr, port);
167 addr += 2;
168 }
169#endif 102#endif
170}
171
172void auide_outsl(unsigned long port, void *addr, u32 count)
173{
174 while (count--)
175 {
176 au_writel(*(u32 *)addr, port);
177 /* NOTE: For IDE interfaces over PCMCIA,
178 * 32-bit access does not work
179 */
180 addr += 4;
181 }
182}
183 103
184static void auide_tune_drive(ide_drive_t *drive, byte pio) 104static void auide_tune_drive(ide_drive_t *drive, byte pio)
185{ 105{
186 int mem_sttime; 106 int mem_sttime;
187 int mem_stcfg; 107 int mem_stcfg;
188 unsigned long flags; 108 u8 speed;
189 u8 speed; 109
190 110 /* get the best pio mode for the drive */
191 /* get the best pio mode for the drive */ 111 pio = ide_get_best_pio_mode(drive, pio, 4, NULL);
192 pio = ide_get_best_pio_mode(drive, pio, 4, NULL); 112
193 113 printk(KERN_INFO "%s: setting Au1XXX IDE to PIO mode%d\n",
194 printk("%s: setting Au1XXX IDE to PIO mode%d\n", 114 drive->name, pio);
195 drive->name, pio); 115
196 116 mem_sttime = 0;
197 spin_lock_irqsave(&ide_tune_drive_spin_lock, flags); 117 mem_stcfg = au_readl(MEM_STCFG2);
198 118
199 mem_sttime = 0; 119 /* set pio mode! */
200 mem_stcfg = au_readl(MEM_STCFG2); 120 switch(pio) {
201 121 case 0:
202 /* set pio mode! */ 122 mem_sttime = SBC_IDE_TIMING(PIO0);
203 switch(pio) { 123
204 case 0: 124 /* set configuration for RCS2# */
205 /* set timing parameters for RCS2# */ 125 mem_stcfg |= TS_MASK;
206 mem_sttime = SBC_IDE_PIO0_TWCS 126 mem_stcfg &= ~TCSOE_MASK;
207 | SBC_IDE_PIO0_TCSH 127 mem_stcfg &= ~TOECS_MASK;
208 | SBC_IDE_PIO0_TCSOFF 128 mem_stcfg |= SBC_IDE_PIO0_TCSOE | SBC_IDE_PIO0_TOECS;
209 | SBC_IDE_PIO0_TWP 129 break;
210 | SBC_IDE_PIO0_TCSW 130
211 | SBC_IDE_PIO0_TPM 131 case 1:
212 | SBC_IDE_PIO0_TA; 132 mem_sttime = SBC_IDE_TIMING(PIO1);
213 /* set configuration for RCS2# */ 133
214 mem_stcfg |= TS_MASK; 134 /* set configuration for RCS2# */
215 mem_stcfg &= ~TCSOE_MASK; 135 mem_stcfg |= TS_MASK;
216 mem_stcfg &= ~TOECS_MASK; 136 mem_stcfg &= ~TCSOE_MASK;
217 mem_stcfg |= SBC_IDE_PIO0_TCSOE | SBC_IDE_PIO0_TOECS; 137 mem_stcfg &= ~TOECS_MASK;
218 138 mem_stcfg |= SBC_IDE_PIO1_TCSOE | SBC_IDE_PIO1_TOECS;
219 au_writel(mem_sttime,MEM_STTIME2); 139 break;
220 au_writel(mem_stcfg,MEM_STCFG2); 140
221 break; 141 case 2:
222 142 mem_sttime = SBC_IDE_TIMING(PIO2);
223 case 1: 143
224 /* set timing parameters for RCS2# */ 144 /* set configuration for RCS2# */
225 mem_sttime = SBC_IDE_PIO1_TWCS 145 mem_stcfg &= ~TS_MASK;
226 | SBC_IDE_PIO1_TCSH 146 mem_stcfg &= ~TCSOE_MASK;
227 | SBC_IDE_PIO1_TCSOFF 147 mem_stcfg &= ~TOECS_MASK;
228 | SBC_IDE_PIO1_TWP 148 mem_stcfg |= SBC_IDE_PIO2_TCSOE | SBC_IDE_PIO2_TOECS;
229 | SBC_IDE_PIO1_TCSW 149 break;
230 | SBC_IDE_PIO1_TPM 150
231 | SBC_IDE_PIO1_TA; 151 case 3:
232 /* set configuration for RCS2# */ 152 mem_sttime = SBC_IDE_TIMING(PIO3);
233 mem_stcfg |= TS_MASK; 153
234 mem_stcfg &= ~TCSOE_MASK; 154 /* set configuration for RCS2# */
235 mem_stcfg &= ~TOECS_MASK; 155 mem_stcfg &= ~TS_MASK;
236 mem_stcfg |= SBC_IDE_PIO1_TCSOE | SBC_IDE_PIO1_TOECS; 156 mem_stcfg &= ~TCSOE_MASK;
237 break; 157 mem_stcfg &= ~TOECS_MASK;
238 158 mem_stcfg |= SBC_IDE_PIO3_TCSOE | SBC_IDE_PIO3_TOECS;
239 case 2: 159
240 /* set timing parameters for RCS2# */ 160 break;
241 mem_sttime = SBC_IDE_PIO2_TWCS 161
242 | SBC_IDE_PIO2_TCSH 162 case 4:
243 | SBC_IDE_PIO2_TCSOFF 163 mem_sttime = SBC_IDE_TIMING(PIO4);
244 | SBC_IDE_PIO2_TWP 164
245 | SBC_IDE_PIO2_TCSW 165 /* set configuration for RCS2# */
246 | SBC_IDE_PIO2_TPM 166 mem_stcfg &= ~TS_MASK;
247 | SBC_IDE_PIO2_TA; 167 mem_stcfg &= ~TCSOE_MASK;
248 /* set configuration for RCS2# */ 168 mem_stcfg &= ~TOECS_MASK;
249 mem_stcfg &= ~TS_MASK; 169 mem_stcfg |= SBC_IDE_PIO4_TCSOE | SBC_IDE_PIO4_TOECS;
250 mem_stcfg &= ~TCSOE_MASK; 170 break;
251 mem_stcfg &= ~TOECS_MASK; 171 }
252 mem_stcfg |= SBC_IDE_PIO2_TCSOE | SBC_IDE_PIO2_TOECS; 172
253 break; 173 au_writel(mem_sttime,MEM_STTIME2);
254 174 au_writel(mem_stcfg,MEM_STCFG2);
255 case 3: 175
256 /* set timing parameters for RCS2# */ 176 speed = pio + XFER_PIO_0;
257 mem_sttime = SBC_IDE_PIO3_TWCS 177 ide_config_drive_speed(drive, speed);
258 | SBC_IDE_PIO3_TCSH
259 | SBC_IDE_PIO3_TCSOFF
260 | SBC_IDE_PIO3_TWP
261 | SBC_IDE_PIO3_TCSW
262 | SBC_IDE_PIO3_TPM
263 | SBC_IDE_PIO3_TA;
264 /* set configuration for RCS2# */
265 mem_stcfg |= TS_MASK;
266 mem_stcfg &= ~TS_MASK;
267 mem_stcfg &= ~TCSOE_MASK;
268 mem_stcfg &= ~TOECS_MASK;
269 mem_stcfg |= SBC_IDE_PIO3_TCSOE | SBC_IDE_PIO3_TOECS;
270
271 break;
272
273 case 4:
274 /* set timing parameters for RCS2# */
275 mem_sttime = SBC_IDE_PIO4_TWCS
276 | SBC_IDE_PIO4_TCSH
277 | SBC_IDE_PIO4_TCSOFF
278 | SBC_IDE_PIO4_TWP
279 | SBC_IDE_PIO4_TCSW
280 | SBC_IDE_PIO4_TPM
281 | SBC_IDE_PIO4_TA;
282 /* set configuration for RCS2# */
283 mem_stcfg &= ~TS_MASK;
284 mem_stcfg &= ~TCSOE_MASK;
285 mem_stcfg &= ~TOECS_MASK;
286 mem_stcfg |= SBC_IDE_PIO4_TCSOE | SBC_IDE_PIO4_TOECS;
287 break;
288 }
289
290 au_writel(mem_sttime,MEM_STTIME2);
291 au_writel(mem_stcfg,MEM_STCFG2);
292
293 spin_unlock_irqrestore(&ide_tune_drive_spin_lock, flags);
294
295 speed = pio + XFER_PIO_0;
296 ide_config_drive_speed(drive, speed);
297} 178}
298 179
299static int auide_tune_chipset (ide_drive_t *drive, u8 speed) 180static int auide_tune_chipset (ide_drive_t *drive, u8 speed)
300{ 181{
301 u8 mode = 0; 182 int mem_sttime;
302 int mem_sttime; 183 int mem_stcfg;
303 int mem_stcfg; 184 unsigned long mode;
304 unsigned long flags; 185
305#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA 186#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
306 struct hd_driveid *id = drive->id; 187 if (ide_use_dma(drive))
307 188 mode = ide_dma_speed(drive, 0);
308 /*
309 * Now see what the current drive is capable of,
310 * selecting UDMA only if the mate said it was ok.
311 */
312 if (id && (id->capability & 1) && drive->autodma &&
313 !__ide_dma_bad_drive(drive)) {
314 if (!mode && (id->field_valid & 2) && (id->dma_mword & 7)) {
315 if (id->dma_mword & 4)
316 mode = XFER_MW_DMA_2;
317 else if (id->dma_mword & 2)
318 mode = XFER_MW_DMA_1;
319 else if (id->dma_mword & 1)
320 mode = XFER_MW_DMA_0;
321 }
322 }
323#endif 189#endif
324 190
325 spin_lock_irqsave(&ide_tune_chipset_spin_lock, flags); 191 mem_sttime = 0;
192 mem_stcfg = au_readl(MEM_STCFG2);
326 193
327 mem_sttime = 0; 194 if (speed >= XFER_PIO_0 && speed <= XFER_PIO_4) {
328 mem_stcfg = au_readl(MEM_STCFG2); 195 auide_tune_drive(drive, speed - XFER_PIO_0);
329 196 return 0;
330 switch(speed) { 197 }
331 case XFER_PIO_4: 198
332 case XFER_PIO_3: 199 switch(speed) {
333 case XFER_PIO_2:
334 case XFER_PIO_1:
335 case XFER_PIO_0:
336 auide_tune_drive(drive, (speed - XFER_PIO_0));
337 break;
338#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA 200#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
339 case XFER_MW_DMA_2: 201 case XFER_MW_DMA_2:
340 /* set timing parameters for RCS2# */ 202 mem_sttime = SBC_IDE_TIMING(MDMA2);
341 mem_sttime = SBC_IDE_MDMA2_TWCS 203
342 | SBC_IDE_MDMA2_TCSH 204 /* set configuration for RCS2# */
343 | SBC_IDE_MDMA2_TCSOFF 205 mem_stcfg &= ~TS_MASK;
344 | SBC_IDE_MDMA2_TWP 206 mem_stcfg &= ~TCSOE_MASK;
345 | SBC_IDE_MDMA2_TCSW 207 mem_stcfg &= ~TOECS_MASK;
346 | SBC_IDE_MDMA2_TPM 208 mem_stcfg |= SBC_IDE_MDMA2_TCSOE | SBC_IDE_MDMA2_TOECS;
347 | SBC_IDE_MDMA2_TA; 209
348 /* set configuration for RCS2# */ 210 mode = XFER_MW_DMA_2;
349 mem_stcfg &= ~TS_MASK; 211 break;
350 mem_stcfg &= ~TCSOE_MASK; 212 case XFER_MW_DMA_1:
351 mem_stcfg &= ~TOECS_MASK; 213 mem_sttime = SBC_IDE_TIMING(MDMA1);
352 mem_stcfg |= SBC_IDE_MDMA2_TCSOE | SBC_IDE_MDMA2_TOECS; 214
353 215 /* set configuration for RCS2# */
354 mode = XFER_MW_DMA_2; 216 mem_stcfg &= ~TS_MASK;
355 break; 217 mem_stcfg &= ~TCSOE_MASK;
356 case XFER_MW_DMA_1: 218 mem_stcfg &= ~TOECS_MASK;
357 /* set timing parameters for RCS2# */ 219 mem_stcfg |= SBC_IDE_MDMA1_TCSOE | SBC_IDE_MDMA1_TOECS;
358 mem_sttime = SBC_IDE_MDMA1_TWCS 220
359 | SBC_IDE_MDMA1_TCSH 221 mode = XFER_MW_DMA_1;
360 | SBC_IDE_MDMA1_TCSOFF 222 break;
361 | SBC_IDE_MDMA1_TWP 223 case XFER_MW_DMA_0:
362 | SBC_IDE_MDMA1_TCSW 224 mem_sttime = SBC_IDE_TIMING(MDMA0);
363 | SBC_IDE_MDMA1_TPM 225
364 | SBC_IDE_MDMA1_TA; 226 /* set configuration for RCS2# */
365 /* set configuration for RCS2# */ 227 mem_stcfg |= TS_MASK;
366 mem_stcfg &= ~TS_MASK; 228 mem_stcfg &= ~TCSOE_MASK;
367 mem_stcfg &= ~TCSOE_MASK; 229 mem_stcfg &= ~TOECS_MASK;
368 mem_stcfg &= ~TOECS_MASK; 230 mem_stcfg |= SBC_IDE_MDMA0_TCSOE | SBC_IDE_MDMA0_TOECS;
369 mem_stcfg |= SBC_IDE_MDMA1_TCSOE | SBC_IDE_MDMA1_TOECS; 231
370 232 mode = XFER_MW_DMA_0;
371 mode = XFER_MW_DMA_1; 233 break;
372 break;
373 case XFER_MW_DMA_0:
374 /* set timing parameters for RCS2# */
375 mem_sttime = SBC_IDE_MDMA0_TWCS
376 | SBC_IDE_MDMA0_TCSH
377 | SBC_IDE_MDMA0_TCSOFF
378 | SBC_IDE_MDMA0_TWP
379 | SBC_IDE_MDMA0_TCSW
380 | SBC_IDE_MDMA0_TPM
381 | SBC_IDE_MDMA0_TA;
382 /* set configuration for RCS2# */
383 mem_stcfg |= TS_MASK;
384 mem_stcfg &= ~TCSOE_MASK;
385 mem_stcfg &= ~TOECS_MASK;
386 mem_stcfg |= SBC_IDE_MDMA0_TCSOE | SBC_IDE_MDMA0_TOECS;
387
388 mode = XFER_MW_DMA_0;
389 break;
390#endif 234#endif
391 default: 235 default:
392 return 1; 236 return 1;
393 } 237 }
394 238
395 /* 239 if (ide_config_drive_speed(drive, mode))
396 * Tell the drive to switch to the new mode; abort on failure. 240 return 1;
397 */
398 if (!mode || ide_config_drive_speed(drive, mode))
399 {
400 return 1; /* failure */
401 }
402
403
404 au_writel(mem_sttime,MEM_STTIME2);
405 au_writel(mem_stcfg,MEM_STCFG2);
406 241
407 spin_unlock_irqrestore(&ide_tune_chipset_spin_lock, flags); 242 au_writel(mem_sttime,MEM_STTIME2);
243 au_writel(mem_stcfg,MEM_STCFG2);
408 244
409 return 0; 245 return 0;
410} 246}
411 247
412/* 248/*
413 * Multi-Word DMA + DbDMA functions 249 * Multi-Word DMA + DbDMA functions
414 */ 250 */
415#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
416 251
417static int in_drive_list(struct hd_driveid *id, 252#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
418 const struct drive_list_entry *drive_table)
419{
420 for ( ; drive_table->id_model ; drive_table++){
421 if ((!strcmp(drive_table->id_model, id->model)) &&
422 ((strstr(drive_table->id_firmware, id->fw_rev)) ||
423 (!strcmp(drive_table->id_firmware, "ALL")))
424 )
425 return 1;
426 }
427 return 0;
428}
429 253
430static int auide_build_sglist(ide_drive_t *drive, struct request *rq) 254static int auide_build_sglist(ide_drive_t *drive, struct request *rq)
431{ 255{
432 ide_hwif_t *hwif = drive->hwif; 256 ide_hwif_t *hwif = drive->hwif;
433 _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data; 257 _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data;
434 struct scatterlist *sg = hwif->sg_table; 258 struct scatterlist *sg = hwif->sg_table;
435 259
436 ide_map_sg(drive, rq); 260 ide_map_sg(drive, rq);
437 261
438 if (rq_data_dir(rq) == READ) 262 if (rq_data_dir(rq) == READ)
439 hwif->sg_dma_direction = DMA_FROM_DEVICE; 263 hwif->sg_dma_direction = DMA_FROM_DEVICE;
440 else 264 else
441 hwif->sg_dma_direction = DMA_TO_DEVICE; 265 hwif->sg_dma_direction = DMA_TO_DEVICE;
442 266
443 return dma_map_sg(ahwif->dev, sg, hwif->sg_nents, 267 return dma_map_sg(ahwif->dev, sg, hwif->sg_nents,
444 hwif->sg_dma_direction); 268 hwif->sg_dma_direction);
445} 269}
446 270
447static int auide_build_dmatable(ide_drive_t *drive) 271static int auide_build_dmatable(ide_drive_t *drive)
448{ 272{
449 int i, iswrite, count = 0; 273 int i, iswrite, count = 0;
450 ide_hwif_t *hwif = HWIF(drive); 274 ide_hwif_t *hwif = HWIF(drive);
451 275
452 struct request *rq = HWGROUP(drive)->rq; 276 struct request *rq = HWGROUP(drive)->rq;
453 277
454 _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data; 278 _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data;
455 struct scatterlist *sg; 279 struct scatterlist *sg;
456 280
457 iswrite = (rq_data_dir(rq) == WRITE); 281 iswrite = (rq_data_dir(rq) == WRITE);
458 /* Save for interrupt context */ 282 /* Save for interrupt context */
459 ahwif->drive = drive; 283 ahwif->drive = drive;
460 284
461 /* Build sglist */ 285 /* Build sglist */
462 hwif->sg_nents = i = auide_build_sglist(drive, rq); 286 hwif->sg_nents = i = auide_build_sglist(drive, rq);
463 287
464 if (!i) 288 if (!i)
465 return 0; 289 return 0;
466 290
467 /* fill the descriptors */ 291 /* fill the descriptors */
468 sg = hwif->sg_table; 292 sg = hwif->sg_table;
469 while (i && sg_dma_len(sg)) { 293 while (i && sg_dma_len(sg)) {
470 u32 cur_addr; 294 u32 cur_addr;
471 u32 cur_len; 295 u32 cur_len;
472 296
473 cur_addr = sg_dma_address(sg); 297 cur_addr = sg_dma_address(sg);
474 cur_len = sg_dma_len(sg); 298 cur_len = sg_dma_len(sg);
475 299
476 while (cur_len) { 300 while (cur_len) {
477 u32 flags = DDMA_FLAGS_NOIE; 301 u32 flags = DDMA_FLAGS_NOIE;
478 unsigned int tc = (cur_len < 0xfe00)? cur_len: 0xfe00; 302 unsigned int tc = (cur_len < 0xfe00)? cur_len: 0xfe00;
479 303
480 if (++count >= PRD_ENTRIES) { 304 if (++count >= PRD_ENTRIES) {
481 printk(KERN_WARNING "%s: DMA table too small\n", 305 printk(KERN_WARNING "%s: DMA table too small\n",
482 drive->name); 306 drive->name);
483 goto use_pio_instead; 307 goto use_pio_instead;
484 } 308 }
485 309
486 /* Lets enable intr for the last descriptor only */ 310 /* Lets enable intr for the last descriptor only */
487 if (1==i) 311 if (1==i)
488 flags = DDMA_FLAGS_IE; 312 flags = DDMA_FLAGS_IE;
489 else 313 else
490 flags = DDMA_FLAGS_NOIE; 314 flags = DDMA_FLAGS_NOIE;
491 315
492 if (iswrite) { 316 if (iswrite) {
493 if(!put_source_flags(ahwif->tx_chan, 317 if(!put_source_flags(ahwif->tx_chan,
494 (void*)(page_address(sg->page) 318 (void*)(page_address(sg->page)
495 + sg->offset), 319 + sg->offset),
496 tc, flags)) { 320 tc, flags)) {
497 printk(KERN_ERR "%s failed %d\n", 321 printk(KERN_ERR "%s failed %d\n",
498 __FUNCTION__, __LINE__); 322 __FUNCTION__, __LINE__);
499 } 323 }
500 } else 324 } else
501 { 325 {
502 if(!put_dest_flags(ahwif->rx_chan, 326 if(!put_dest_flags(ahwif->rx_chan,
503 (void*)(page_address(sg->page) 327 (void*)(page_address(sg->page)
504 + sg->offset), 328 + sg->offset),
505 tc, flags)) { 329 tc, flags)) {
506 printk(KERN_ERR "%s failed %d\n", 330 printk(KERN_ERR "%s failed %d\n",
507 __FUNCTION__, __LINE__); 331 __FUNCTION__, __LINE__);
508 } 332 }
509 } 333 }
510 334
511 cur_addr += tc; 335 cur_addr += tc;
512 cur_len -= tc; 336 cur_len -= tc;
513 } 337 }
514 sg++; 338 sg++;
515 i--; 339 i--;
516 } 340 }
517 341
518 if (count) 342 if (count)
519 return 1; 343 return 1;
520 344
521use_pio_instead: 345 use_pio_instead:
522 dma_unmap_sg(ahwif->dev, 346 dma_unmap_sg(ahwif->dev,
523 hwif->sg_table, 347 hwif->sg_table,
524 hwif->sg_nents, 348 hwif->sg_nents,
525 hwif->sg_dma_direction); 349 hwif->sg_dma_direction);
526 350
527 return 0; /* revert to PIO for this request */ 351 return 0; /* revert to PIO for this request */
528} 352}
529 353
530static int auide_dma_end(ide_drive_t *drive) 354static int auide_dma_end(ide_drive_t *drive)
531{ 355{
532 ide_hwif_t *hwif = HWIF(drive); 356 ide_hwif_t *hwif = HWIF(drive);
533 _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data; 357 _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data;
534 358
535 if (hwif->sg_nents) { 359 if (hwif->sg_nents) {
536 dma_unmap_sg(ahwif->dev, hwif->sg_table, hwif->sg_nents, 360 dma_unmap_sg(ahwif->dev, hwif->sg_table, hwif->sg_nents,
537 hwif->sg_dma_direction); 361 hwif->sg_dma_direction);
538 hwif->sg_nents = 0; 362 hwif->sg_nents = 0;
539 } 363 }
540 364
541 return 0; 365 return 0;
542} 366}
543 367
544static void auide_dma_start(ide_drive_t *drive ) 368static void auide_dma_start(ide_drive_t *drive )
545{ 369{
546// printk("%s\n", __FUNCTION__);
547} 370}
548 371
549ide_startstop_t auide_dma_intr(ide_drive_t *drive)
550{
551 //printk("%s\n", __FUNCTION__);
552
553 u8 stat = 0, dma_stat = 0;
554
555 dma_stat = HWIF(drive)->ide_dma_end(drive);
556 stat = HWIF(drive)->INB(IDE_STATUS_REG); /* get drive status */
557 if (OK_STAT(stat,DRIVE_READY,drive->bad_wstat|DRQ_STAT)) {
558 if (!dma_stat) {
559 struct request *rq = HWGROUP(drive)->rq;
560
561 ide_end_request(drive, 1, rq->nr_sectors);
562 return ide_stopped;
563 }
564 printk(KERN_ERR "%s: dma_intr: bad DMA status (dma_stat=%x)\n",
565 drive->name, dma_stat);
566 }
567 return ide_error(drive, "dma_intr", stat);
568}
569 372
570static void auide_dma_exec_cmd(ide_drive_t *drive, u8 command) 373static void auide_dma_exec_cmd(ide_drive_t *drive, u8 command)
571{ 374{
572 //printk("%s\n", __FUNCTION__); 375 /* issue cmd to drive */
573 376 ide_execute_command(drive, command, &ide_dma_intr,
574 /* issue cmd to drive */ 377 (2*WAIT_CMD), NULL);
575 ide_execute_command(drive, command, &auide_dma_intr,
576 (2*WAIT_CMD), NULL);
577} 378}
578 379
579static int auide_dma_setup(ide_drive_t *drive) 380static int auide_dma_setup(ide_drive_t *drive)
580{ 381{
581// printk("%s\n", __FUNCTION__); 382 struct request *rq = HWGROUP(drive)->rq;
582
583 if (drive->media != ide_disk)
584 return 1;
585
586 if (!auide_build_dmatable(drive))
587 /* try PIO instead of DMA */
588 return 1;
589 383
590 drive->waiting_for_dma = 1; 384 if (!auide_build_dmatable(drive)) {
385 ide_map_sg(drive, rq);
386 return 1;
387 }
591 388
592 return 0; 389 drive->waiting_for_dma = 1;
390 return 0;
593} 391}
594 392
595static int auide_dma_check(ide_drive_t *drive) 393static int auide_dma_check(ide_drive_t *drive)
596{ 394{
597// printk("%s\n", __FUNCTION__); 395 u8 speed;
598 396
599#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA 397#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
600 if( !dbdma_init_done ){ 398
601 auide_hwif.white_list = in_drive_list(drive->id, 399 if( dbdma_init_done == 0 ){
602 dma_white_list); 400 auide_hwif.white_list = ide_in_drive_list(drive->id,
603 auide_hwif.black_list = in_drive_list(drive->id, 401 dma_white_list);
604 dma_black_list); 402 auide_hwif.black_list = ide_in_drive_list(drive->id,
605 auide_hwif.drive = drive; 403 dma_black_list);
606 auide_ddma_init(&auide_hwif); 404 auide_hwif.drive = drive;
607 dbdma_init_done = 1; 405 auide_ddma_init(&auide_hwif);
608 } 406 dbdma_init_done = 1;
407 }
609#endif 408#endif
610 409
611 /* Is the drive in our DMA black list? */ 410 /* Is the drive in our DMA black list? */
612 if ( auide_hwif.black_list ) { 411
613 drive->using_dma = 0; 412 if ( auide_hwif.black_list ) {
614 printk("%s found in dma_blacklist[]! Disabling DMA.\n", 413 drive->using_dma = 0;
615 drive->id->model); 414
616 } 415 /* Borrowed the warning message from ide-dma.c */
617 else
618 drive->using_dma = 1;
619 416
620 return HWIF(drive)->ide_dma_host_on(drive); 417 printk(KERN_WARNING "%s: Disabling DMA for %s (blacklisted)\n",
418 drive->name, drive->id->model);
419 }
420 else
421 drive->using_dma = 1;
422
423 speed = ide_find_best_mode(drive, XFER_PIO | XFER_MWDMA);
424
425 if (drive->autodma && (speed & XFER_MODE) != XFER_PIO)
426 return HWIF(drive)->ide_dma_on(drive);
427
428 return HWIF(drive)->ide_dma_off_quietly(drive);
621} 429}
622 430
623static int auide_dma_test_irq(ide_drive_t *drive) 431static int auide_dma_test_irq(ide_drive_t *drive)
624{ 432{
625// printk("%s\n", __FUNCTION__); 433 if (drive->waiting_for_dma == 0)
626 434 printk(KERN_WARNING "%s: ide_dma_test_irq \
627 if (!drive->waiting_for_dma)
628 printk(KERN_WARNING "%s: ide_dma_test_irq \
629 called while not waiting\n", drive->name); 435 called while not waiting\n", drive->name);
630 436
631 /* If dbdma didn't execute the STOP command yet, the 437 /* If dbdma didn't execute the STOP command yet, the
632 * active bit is still set 438 * active bit is still set
633 */ 439 */
634 drive->waiting_for_dma++; 440 drive->waiting_for_dma++;
635 if (drive->waiting_for_dma >= DMA_WAIT_TIMEOUT) { 441 if (drive->waiting_for_dma >= DMA_WAIT_TIMEOUT) {
636 printk(KERN_WARNING "%s: timeout waiting for ddma to \ 442 printk(KERN_WARNING "%s: timeout waiting for ddma to \
637 complete\n", drive->name); 443 complete\n", drive->name);
638 return 1; 444 return 1;
639 } 445 }
640 udelay(10); 446 udelay(10);
641 return 0; 447 return 0;
642} 448}
643 449
644static int auide_dma_host_on(ide_drive_t *drive) 450static int auide_dma_host_on(ide_drive_t *drive)
645{ 451{
646// printk("%s\n", __FUNCTION__); 452 return 0;
647 return 0;
648} 453}
649 454
650static int auide_dma_on(ide_drive_t *drive) 455static int auide_dma_on(ide_drive_t *drive)
651{ 456{
652// printk("%s\n", __FUNCTION__); 457 drive->using_dma = 1;
653 drive->using_dma = 1; 458 return auide_dma_host_on(drive);
654 return auide_dma_host_on(drive);
655} 459}
656 460
657 461
658static int auide_dma_host_off(ide_drive_t *drive) 462static int auide_dma_host_off(ide_drive_t *drive)
659{ 463{
660// printk("%s\n", __FUNCTION__); 464 return 0;
661 return 0;
662} 465}
663 466
664static int auide_dma_off_quietly(ide_drive_t *drive) 467static int auide_dma_off_quietly(ide_drive_t *drive)
665{ 468{
666// printk("%s\n", __FUNCTION__); 469 drive->using_dma = 0;
667 drive->using_dma = 0; 470 return auide_dma_host_off(drive);
668 return auide_dma_host_off(drive);
669} 471}
670 472
671static int auide_dma_lostirq(ide_drive_t *drive) 473static int auide_dma_lostirq(ide_drive_t *drive)
672{ 474{
673// printk("%s\n", __FUNCTION__); 475 printk(KERN_ERR "%s: IRQ lost\n", drive->name);
674 476 return 0;
675 printk(KERN_ERR "%s: IRQ lost\n", drive->name);
676 return 0;
677} 477}
678 478
679static void auide_ddma_tx_callback(int irq, void *param, struct pt_regs *regs) 479static void auide_ddma_tx_callback(int irq, void *param, struct pt_regs *regs)
680{ 480{
681// printk("%s\n", __FUNCTION__); 481 _auide_hwif *ahwif = (_auide_hwif*)param;
682 482 ahwif->drive->waiting_for_dma = 0;
683 _auide_hwif *ahwif = (_auide_hwif*)param;
684 ahwif->drive->waiting_for_dma = 0;
685 return;
686} 483}
687 484
688static void auide_ddma_rx_callback(int irq, void *param, struct pt_regs *regs) 485static void auide_ddma_rx_callback(int irq, void *param, struct pt_regs *regs)
689{ 486{
690// printk("%s\n", __FUNCTION__); 487 _auide_hwif *ahwif = (_auide_hwif*)param;
488 ahwif->drive->waiting_for_dma = 0;
489}
490
491#endif /* end CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */
691 492
692 _auide_hwif *ahwif = (_auide_hwif*)param; 493static void auide_init_dbdma_dev(dbdev_tab_t *dev, u32 dev_id, u32 tsize, u32 devwidth, u32 flags)
693 ahwif->drive->waiting_for_dma = 0; 494{
694 return; 495 dev->dev_id = dev_id;
496 dev->dev_physaddr = (u32)AU1XXX_ATA_PHYS_ADDR;
497 dev->dev_intlevel = 0;
498 dev->dev_intpolarity = 0;
499 dev->dev_tsize = tsize;
500 dev->dev_devwidth = devwidth;
501 dev->dev_flags = flags;
695} 502}
503
504#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
696 505
697static int auide_dma_timeout(ide_drive_t *drive) 506static int auide_dma_timeout(ide_drive_t *drive)
698{ 507{
699// printk("%s\n", __FUNCTION__); 508// printk("%s\n", __FUNCTION__);
700 509
701 printk(KERN_ERR "%s: DMA timeout occurred: ", drive->name); 510 printk(KERN_ERR "%s: DMA timeout occurred: ", drive->name);
702 511
703 if (HWIF(drive)->ide_dma_test_irq(drive)) 512 if (HWIF(drive)->ide_dma_test_irq(drive))
704 return 0; 513 return 0;
705 514
706 return HWIF(drive)->ide_dma_end(drive); 515 return HWIF(drive)->ide_dma_end(drive);
707} 516}
708#endif /* end CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */ 517
709 518
519static int auide_ddma_init(_auide_hwif *auide) {
520
521 dbdev_tab_t source_dev_tab, target_dev_tab;
522 u32 dev_id, tsize, devwidth, flags;
523 ide_hwif_t *hwif = auide->hwif;
710 524
711static int auide_ddma_init( _auide_hwif *auide ) 525 dev_id = AU1XXX_ATA_DDMA_REQ;
712{
713// printk("%s\n", __FUNCTION__);
714 526
715 dbdev_tab_t source_dev_tab; 527 if (auide->white_list || auide->black_list) {
716#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA) 528 tsize = 8;
717 dbdev_tab_t target_dev_tab; 529 devwidth = 32;
718 ide_hwif_t *hwif = auide->hwif; 530 }
719 char warning_output [2][80]; 531 else {
720 int i; 532 tsize = 1;
721#endif 533 devwidth = 16;
534
535 printk(KERN_ERR "au1xxx-ide: %s is not on ide driver whitelist.\n",auide_hwif.drive->id->model);
536 printk(KERN_ERR " please read 'Documentation/mips/AU1xxx_IDE.README'");
537 }
722 538
723 /* Add our custom device to DDMA device table */ 539#ifdef IDE_AU1XXX_BURSTMODE
724 /* Create our new device entries in the table */ 540 flags = DEV_FLAGS_SYNC | DEV_FLAGS_BURSTABLE;
725#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
726 source_dev_tab.dev_id = AU1XXX_ATA_DDMA_REQ;
727
728 if( auide->white_list || auide->black_list ){
729 source_dev_tab.dev_tsize = 8;
730 source_dev_tab.dev_devwidth = 32;
731 source_dev_tab.dev_physaddr = (u32)AU1XXX_ATA_PHYS_ADDR;
732 source_dev_tab.dev_intlevel = 0;
733 source_dev_tab.dev_intpolarity = 0;
734
735 /* init device table for target - static bus controller - */
736 target_dev_tab.dev_id = DSCR_CMD0_ALWAYS;
737 target_dev_tab.dev_tsize = 8;
738 target_dev_tab.dev_devwidth = 32;
739 target_dev_tab.dev_physaddr = (u32)AU1XXX_ATA_PHYS_ADDR;
740 target_dev_tab.dev_intlevel = 0;
741 target_dev_tab.dev_intpolarity = 0;
742 target_dev_tab.dev_flags = DEV_FLAGS_ANYUSE;
743 }
744 else{
745 source_dev_tab.dev_tsize = 1;
746 source_dev_tab.dev_devwidth = 16;
747 source_dev_tab.dev_physaddr = (u32)AU1XXX_ATA_PHYS_ADDR;
748 source_dev_tab.dev_intlevel = 0;
749 source_dev_tab.dev_intpolarity = 0;
750
751 /* init device table for target - static bus controller - */
752 target_dev_tab.dev_id = DSCR_CMD0_ALWAYS;
753 target_dev_tab.dev_tsize = 1;
754 target_dev_tab.dev_devwidth = 16;
755 target_dev_tab.dev_physaddr = (u32)AU1XXX_ATA_PHYS_ADDR;
756 target_dev_tab.dev_intlevel = 0;
757 target_dev_tab.dev_intpolarity = 0;
758 target_dev_tab.dev_flags = DEV_FLAGS_ANYUSE;
759
760 sprintf(&warning_output[0][0],
761 "%s is not on ide driver white list.",
762 auide_hwif.drive->id->model);
763 for ( i=strlen(&warning_output[0][0]) ; i<76; i++ ){
764 sprintf(&warning_output[0][i]," ");
765 }
766
767 sprintf(&warning_output[1][0],
768 "To add %s please read 'Documentation/mips/AU1xxx_IDE.README'.",
769 auide_hwif.drive->id->model);
770 for ( i=strlen(&warning_output[1][0]) ; i<76; i++ ){
771 sprintf(&warning_output[1][i]," ");
772 }
773
774 printk("\n****************************************");
775 printk("****************************************\n");
776 printk("* %s *\n",&warning_output[0][0]);
777 printk("* Switch to safe MWDMA Mode! ");
778 printk(" *\n");
779 printk("* %s *\n",&warning_output[1][0]);
780 printk("****************************************");
781 printk("****************************************\n\n");
782 }
783#else 541#else
784 source_dev_tab.dev_id = DSCR_CMD0_ALWAYS; 542 flags = DEV_FLAGS_SYNC;
785 source_dev_tab.dev_tsize = 8;
786 source_dev_tab.dev_devwidth = 32;
787 source_dev_tab.dev_physaddr = (u32)AU1XXX_ATA_PHYS_ADDR;
788 source_dev_tab.dev_intlevel = 0;
789 source_dev_tab.dev_intpolarity = 0;
790#endif 543#endif
791 544
792#if CONFIG_BLK_DEV_IDE_AU1XXX_BURSTABLE_ON 545 /* setup dev_tab for tx channel */
793 /* set flags for tx channel */ 546 auide_init_dbdma_dev( &source_dev_tab,
794 source_dev_tab.dev_flags = DEV_FLAGS_OUT 547 dev_id,
795 | DEV_FLAGS_SYNC 548 tsize, devwidth, DEV_FLAGS_OUT | flags);
796 | DEV_FLAGS_BURSTABLE; 549 auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
797 auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab ); 550
798 /* set flags for rx channel */ 551 auide_init_dbdma_dev( &source_dev_tab,
799 source_dev_tab.dev_flags = DEV_FLAGS_IN 552 dev_id,
800 | DEV_FLAGS_SYNC 553 tsize, devwidth, DEV_FLAGS_IN | flags);
801 | DEV_FLAGS_BURSTABLE; 554 auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
802 auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab ); 555
556 /* We also need to add a target device for the DMA */
557 auide_init_dbdma_dev( &target_dev_tab,
558 (u32)DSCR_CMD0_ALWAYS,
559 tsize, devwidth, DEV_FLAGS_ANYUSE);
560 auide->target_dev_id = au1xxx_ddma_add_device(&target_dev_tab);
561
562 /* Get a channel for TX */
563 auide->tx_chan = au1xxx_dbdma_chan_alloc(auide->target_dev_id,
564 auide->tx_dev_id,
565 auide_ddma_tx_callback,
566 (void*)auide);
567
568 /* Get a channel for RX */
569 auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id,
570 auide->target_dev_id,
571 auide_ddma_rx_callback,
572 (void*)auide);
573
574 auide->tx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->tx_chan,
575 NUM_DESCRIPTORS);
576 auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan,
577 NUM_DESCRIPTORS);
578
579 hwif->dmatable_cpu = dma_alloc_coherent(auide->dev,
580 PRD_ENTRIES * PRD_BYTES, /* 1 Page */
581 &hwif->dmatable_dma, GFP_KERNEL);
582
583 au1xxx_dbdma_start( auide->tx_chan );
584 au1xxx_dbdma_start( auide->rx_chan );
585
586 return 0;
587}
803#else 588#else
804 /* set flags for tx channel */ 589
805 source_dev_tab.dev_flags = DEV_FLAGS_OUT | DEV_FLAGS_SYNC; 590static int auide_ddma_init( _auide_hwif *auide )
806 auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab ); 591{
807 /* set flags for rx channel */ 592 dbdev_tab_t source_dev_tab;
808 source_dev_tab.dev_flags = DEV_FLAGS_IN | DEV_FLAGS_SYNC; 593 int flags;
809 auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
810#endif
811 594
812#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA) 595#ifdef IDE_AU1XXX_BURSTMODE
813 596 flags = DEV_FLAGS_SYNC | DEV_FLAGS_BURSTABLE;
814 auide->target_dev_id = au1xxx_ddma_add_device(&target_dev_tab); 597#else
815 598 flags = DEV_FLAGS_SYNC;
816 /* Get a channel for TX */
817 auide->tx_chan = au1xxx_dbdma_chan_alloc(auide->target_dev_id,
818 auide->tx_dev_id,
819 auide_ddma_tx_callback,
820 (void*)auide);
821 /* Get a channel for RX */
822 auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id,
823 auide->target_dev_id,
824 auide_ddma_rx_callback,
825 (void*)auide);
826#else /* CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA */
827 /*
828 * Note: if call back is not enabled, update ctp->cur_ptr manually
829 */
830 auide->tx_chan = au1xxx_dbdma_chan_alloc(DSCR_CMD0_ALWAYS,
831 auide->tx_dev_id,
832 NULL,
833 (void*)auide);
834 auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id,
835 DSCR_CMD0_ALWAYS,
836 NULL,
837 (void*)auide);
838#endif 599#endif
839 auide->tx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->tx_chan,
840 NUM_DESCRIPTORS);
841 auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan,
842 NUM_DESCRIPTORS);
843 600
844#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA) 601 /* setup dev_tab for tx channel */
845 hwif->dmatable_cpu = dma_alloc_coherent(auide->dev, 602 auide_init_dbdma_dev( &source_dev_tab,
846 PRD_ENTRIES * PRD_BYTES, /* 1 Page */ 603 (u32)DSCR_CMD0_ALWAYS,
847 &hwif->dmatable_dma, GFP_KERNEL); 604 8, 32, DEV_FLAGS_OUT | flags);
848 605 auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
849 auide->sg_table = kmalloc(sizeof(struct scatterlist) * PRD_ENTRIES, 606
850 GFP_KERNEL|GFP_DMA); 607 auide_init_dbdma_dev( &source_dev_tab,
851 if (auide->sg_table == NULL) { 608 (u32)DSCR_CMD0_ALWAYS,
852 return -ENOMEM; 609 8, 32, DEV_FLAGS_IN | flags);
853 } 610 auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
854#endif 611
855 au1xxx_dbdma_start( auide->tx_chan ); 612 /* Get a channel for TX */
856 au1xxx_dbdma_start( auide->rx_chan ); 613 auide->tx_chan = au1xxx_dbdma_chan_alloc(DSCR_CMD0_ALWAYS,
857 return 0; 614 auide->tx_dev_id,
615 NULL,
616 (void*)auide);
617
618 /* Get a channel for RX */
619 auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id,
620 DSCR_CMD0_ALWAYS,
621 NULL,
622 (void*)auide);
623
624 auide->tx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->tx_chan,
625 NUM_DESCRIPTORS);
626 auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan,
627 NUM_DESCRIPTORS);
628
629 au1xxx_dbdma_start( auide->tx_chan );
630 au1xxx_dbdma_start( auide->rx_chan );
631
632 return 0;
858} 633}
634#endif
859 635
860static void auide_setup_ports(hw_regs_t *hw, _auide_hwif *ahwif) 636static void auide_setup_ports(hw_regs_t *hw, _auide_hwif *ahwif)
861{ 637{
862 int i; 638 int i;
863#define ide_ioreg_t unsigned long 639 unsigned long *ata_regs = hw->io_ports;
864 ide_ioreg_t *ata_regs = hw->io_ports; 640
865 641 /* FIXME? */
866 /* fixme */ 642 for (i = 0; i < IDE_CONTROL_OFFSET; i++) {
867 for (i = 0; i < IDE_CONTROL_OFFSET; i++) { 643 *ata_regs++ = ahwif->regbase + (i << AU1XXX_ATA_REG_OFFSET);
868 *ata_regs++ = (ide_ioreg_t) ahwif->regbase 644 }
869 + (ide_ioreg_t)(i << AU1XXX_ATA_REG_OFFSET); 645
870 } 646 /* set the Alternative Status register */
871 647 *ata_regs = ahwif->regbase + (14 << AU1XXX_ATA_REG_OFFSET);
872 /* set the Alternative Status register */
873 *ata_regs = (ide_ioreg_t) ahwif->regbase
874 + (ide_ioreg_t)(14 << AU1XXX_ATA_REG_OFFSET);
875} 648}
876 649
877static int au_ide_probe(struct device *dev) 650static int au_ide_probe(struct device *dev)
878{ 651{
879 struct platform_device *pdev = to_platform_device(dev); 652 struct platform_device *pdev = to_platform_device(dev);
880 _auide_hwif *ahwif = &auide_hwif; 653 _auide_hwif *ahwif = &auide_hwif;
881 ide_hwif_t *hwif; 654 ide_hwif_t *hwif;
882 struct resource *res; 655 struct resource *res;
883 int ret = 0; 656 int ret = 0;
884 657
885#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA) 658#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
886 char *mode = "MWDMA2"; 659 char *mode = "MWDMA2";
887#elif defined(CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA) 660#elif defined(CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA)
888 char *mode = "PIO+DDMA(offload)"; 661 char *mode = "PIO+DDMA(offload)";
889#endif 662#endif
890 663
891 memset(&auide_hwif, 0, sizeof(_auide_hwif)); 664 memset(&auide_hwif, 0, sizeof(_auide_hwif));
892 auide_hwif.dev = 0; 665 auide_hwif.dev = 0;
893 666
894 ahwif->dev = dev; 667 ahwif->dev = dev;
895 ahwif->irq = platform_get_irq(pdev, 0); 668 ahwif->irq = platform_get_irq(pdev, 0);
@@ -902,11 +675,11 @@ static int au_ide_probe(struct device *dev)
902 goto out; 675 goto out;
903 } 676 }
904 677
905 if (!request_mem_region (res->start, res->end-res->start, pdev->name)) { 678 if (!request_mem_region (res->start, res->end-res->start, pdev->name)) {
906 pr_debug("%s: request_mem_region failed\n", DRV_NAME); 679 pr_debug("%s: request_mem_region failed\n", DRV_NAME);
907 ret = -EBUSY; 680 ret = -EBUSY;
908 goto out; 681 goto out;
909 } 682 }
910 683
911 ahwif->regbase = (u32)ioremap(res->start, res->end-res->start); 684 ahwif->regbase = (u32)ioremap(res->start, res->end-res->start);
912 if (ahwif->regbase == 0) { 685 if (ahwif->regbase == 0) {
@@ -914,130 +687,92 @@ static int au_ide_probe(struct device *dev)
914 goto out; 687 goto out;
915 } 688 }
916 689
917 hwif = &ide_hwifs[pdev->id]; 690 /* FIXME: This might possibly break PCMCIA IDE devices */
691
692 hwif = &ide_hwifs[pdev->id];
918 hw_regs_t *hw = &hwif->hw; 693 hw_regs_t *hw = &hwif->hw;
919 hwif->irq = hw->irq = ahwif->irq; 694 hwif->irq = hw->irq = ahwif->irq;
920 hwif->chipset = ide_au1xxx; 695 hwif->chipset = ide_au1xxx;
921 696
922 auide_setup_ports(hw, ahwif); 697 auide_setup_ports(hw, ahwif);
923 memcpy(hwif->io_ports, hw->io_ports, sizeof(hwif->io_ports)); 698 memcpy(hwif->io_ports, hw->io_ports, sizeof(hwif->io_ports));
924 699
925#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ 700 hwif->ultra_mask = 0x0; /* Disable Ultra DMA */
926 hwif->rqsize = CONFIG_BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ;
927 hwif->rqsize = ((hwif->rqsize > AU1XXX_ATA_RQSIZE)
928 || (hwif->rqsize < 32)) ? AU1XXX_ATA_RQSIZE : hwif->rqsize;
929#else /* if kernel config is not set */
930 hwif->rqsize = AU1XXX_ATA_RQSIZE;
931#endif
932
933 hwif->ultra_mask = 0x0; /* Disable Ultra DMA */
934#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA 701#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
935 hwif->mwdma_mask = 0x07; /* Multimode-2 DMA */ 702 hwif->mwdma_mask = 0x07; /* Multimode-2 DMA */
936 hwif->swdma_mask = 0x07; 703 hwif->swdma_mask = 0x00;
937#else 704#else
938 hwif->mwdma_mask = 0x0; 705 hwif->mwdma_mask = 0x0;
939 hwif->swdma_mask = 0x0; 706 hwif->swdma_mask = 0x0;
707#endif
708
709 hwif->noprobe = 0;
710 hwif->drives[0].unmask = 1;
711 hwif->drives[1].unmask = 1;
712
713 /* hold should be on in all cases */
714 hwif->hold = 1;
715 hwif->mmio = 2;
716
717 /* If the user has selected DDMA assisted copies,
718 then set up a few local I/O function entry points
719 */
720
721#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA
722 hwif->INSW = auide_insw;
723 hwif->OUTSW = auide_outsw;
940#endif 724#endif
941 //hwif->noprobe = !hwif->io_ports[IDE_DATA_OFFSET]; 725
942 hwif->noprobe = 0; 726 hwif->tuneproc = &auide_tune_drive;
943 hwif->drives[0].unmask = 1; 727 hwif->speedproc = &auide_tune_chipset;
944 hwif->drives[1].unmask = 1;
945
946 /* hold should be on in all cases */
947 hwif->hold = 1;
948 hwif->mmio = 2;
949
950 /* set up local I/O function entry points */
951 hwif->INB = auide_inb;
952 hwif->INW = auide_inw;
953 hwif->INL = auide_inl;
954 hwif->INSW = auide_insw;
955 hwif->INSL = auide_insl;
956 hwif->OUTB = auide_outb;
957 hwif->OUTBSYNC = auide_outbsync;
958 hwif->OUTW = auide_outw;
959 hwif->OUTL = auide_outl;
960 hwif->OUTSW = auide_outsw;
961 hwif->OUTSL = auide_outsl;
962
963 hwif->tuneproc = &auide_tune_drive;
964 hwif->speedproc = &auide_tune_chipset;
965 728
966#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA 729#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
967 hwif->ide_dma_off_quietly = &auide_dma_off_quietly; 730 hwif->ide_dma_off_quietly = &auide_dma_off_quietly;
968 hwif->ide_dma_timeout = &auide_dma_timeout; 731 hwif->ide_dma_timeout = &auide_dma_timeout;
969 732
970 hwif->ide_dma_check = &auide_dma_check; 733 hwif->ide_dma_check = &auide_dma_check;
971 hwif->dma_exec_cmd = &auide_dma_exec_cmd; 734 hwif->dma_exec_cmd = &auide_dma_exec_cmd;
972 hwif->dma_start = &auide_dma_start; 735 hwif->dma_start = &auide_dma_start;
973 hwif->ide_dma_end = &auide_dma_end; 736 hwif->ide_dma_end = &auide_dma_end;
974 hwif->dma_setup = &auide_dma_setup; 737 hwif->dma_setup = &auide_dma_setup;
975 hwif->ide_dma_test_irq = &auide_dma_test_irq; 738 hwif->ide_dma_test_irq = &auide_dma_test_irq;
976 hwif->ide_dma_host_off = &auide_dma_host_off; 739 hwif->ide_dma_host_off = &auide_dma_host_off;
977 hwif->ide_dma_host_on = &auide_dma_host_on; 740 hwif->ide_dma_host_on = &auide_dma_host_on;
978 hwif->ide_dma_lostirq = &auide_dma_lostirq; 741 hwif->ide_dma_lostirq = &auide_dma_lostirq;
979 hwif->ide_dma_on = &auide_dma_on; 742 hwif->ide_dma_on = &auide_dma_on;
980 743
981 hwif->autodma = 1; 744 hwif->autodma = 1;
982 hwif->drives[0].autodma = hwif->autodma; 745 hwif->drives[0].autodma = hwif->autodma;
983 hwif->drives[1].autodma = hwif->autodma; 746 hwif->drives[1].autodma = hwif->autodma;
984 hwif->atapi_dma = 1; 747 hwif->atapi_dma = 1;
985 hwif->drives[0].using_dma = 1; 748
986 hwif->drives[1].using_dma = 1;
987#else /* !CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */ 749#else /* !CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */
988 hwif->autodma = 0; 750 hwif->autodma = 0;
989 hwif->channel = 0; 751 hwif->channel = 0;
990 hwif->hold = 1; 752 hwif->hold = 1;
991 hwif->select_data = 0; /* no chipset-specific code */ 753 hwif->select_data = 0; /* no chipset-specific code */
992 hwif->config_data = 0; /* no chipset-specific code */ 754 hwif->config_data = 0; /* no chipset-specific code */
993 755
994 hwif->drives[0].autodma = 0; 756 hwif->drives[0].autodma = 0;
995 hwif->drives[0].drive_data = 0; /* no drive data */ 757 hwif->drives[0].autotune = 1; /* 1=autotune, 2=noautotune, 0=default */
996 hwif->drives[0].using_dma = 0;
997 hwif->drives[0].waiting_for_dma = 0;
998 hwif->drives[0].autotune = 1; /* 1=autotune, 2=noautotune, 0=default */
999 /* secondary hdd not supported */
1000 hwif->drives[1].autodma = 0;
1001
1002 hwif->drives[1].drive_data = 0;
1003 hwif->drives[1].using_dma = 0;
1004 hwif->drives[1].waiting_for_dma = 0;
1005 hwif->drives[1].autotune = 2; /* 1=autotune, 2=noautotune, 0=default */
1006#endif
1007 hwif->drives[0].io_32bit = 0; /* 0=16-bit, 1=32-bit, 2/3=32bit+sync */
1008 hwif->drives[1].io_32bit = 0; /* 0=16-bit, 1=32-bit, 2/3=32bit+sync */
1009
1010 /*Register Driver with PM Framework*/
1011#ifdef CONFIG_PM
1012 auide_hwif.pm.lock = SPIN_LOCK_UNLOCKED;
1013 auide_hwif.pm.stopped = 0;
1014
1015 auide_hwif.pm.dev = new_au1xxx_power_device( "ide",
1016 &au1200ide_pm_callback,
1017 NULL);
1018 if ( auide_hwif.pm.dev == NULL )
1019 printk(KERN_INFO "Unable to create a power management \
1020 device entry for the au1200-IDE.\n");
1021 else
1022 printk(KERN_INFO "Power management device entry for the \
1023 au1200-IDE loaded.\n");
1024#endif 758#endif
759 hwif->drives[0].no_io_32bit = 1;
1025 760
1026 auide_hwif.hwif = hwif; 761 auide_hwif.hwif = hwif;
1027 hwif->hwif_data = &auide_hwif; 762 hwif->hwif_data = &auide_hwif;
1028 763
1029#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA 764#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA
1030 auide_ddma_init(&auide_hwif); 765 auide_ddma_init(&auide_hwif);
1031 dbdma_init_done = 1; 766 dbdma_init_done = 1;
1032#endif 767#endif
1033 768
1034 probe_hwif_init(hwif); 769 probe_hwif_init(hwif);
1035 dev_set_drvdata(dev, hwif); 770 dev_set_drvdata(dev, hwif);
1036 771
1037 printk(KERN_INFO "Au1xxx IDE(builtin) configured for %s\n", mode ); 772 printk(KERN_INFO "Au1xxx IDE(builtin) configured for %s\n", mode );
1038 773
1039out: 774 out:
1040 return ret; 775 return ret;
1041} 776}
1042 777
1043static int au_ide_remove(struct device *dev) 778static int au_ide_remove(struct device *dev)
@@ -1045,7 +780,7 @@ static int au_ide_remove(struct device *dev)
1045 struct platform_device *pdev = to_platform_device(dev); 780 struct platform_device *pdev = to_platform_device(dev);
1046 struct resource *res; 781 struct resource *res;
1047 ide_hwif_t *hwif = dev_get_drvdata(dev); 782 ide_hwif_t *hwif = dev_get_drvdata(dev);
1048 _auide_hwif *ahwif = &auide_hwif; 783 _auide_hwif *ahwif = &auide_hwif;
1049 784
1050 ide_unregister(hwif - ide_hwifs); 785 ide_unregister(hwif - ide_hwifs);
1051 786
@@ -1069,180 +804,11 @@ static int __init au_ide_init(void)
1069 return driver_register(&au1200_ide_driver); 804 return driver_register(&au1200_ide_driver);
1070} 805}
1071 806
1072static void __init au_ide_exit(void) 807static void __exit au_ide_exit(void)
1073{ 808{
1074 driver_unregister(&au1200_ide_driver); 809 driver_unregister(&au1200_ide_driver);
1075} 810}
1076 811
1077#ifdef CONFIG_PM
1078int au1200ide_pm_callback( au1xxx_power_dev_t *dev,\
1079 au1xxx_request_t request, void *data) {
1080
1081 unsigned int d, err = 0;
1082 unsigned long flags;
1083
1084 spin_lock_irqsave(auide_hwif.pm.lock, flags);
1085
1086 switch (request){
1087 case AU1XXX_PM_SLEEP:
1088 err = au1xxxide_pm_sleep(dev);
1089 break;
1090 case AU1XXX_PM_WAKEUP:
1091 d = *((unsigned int*)data);
1092 if ( d > 0 && d <= 99) {
1093 err = au1xxxide_pm_standby(dev);
1094 }
1095 else {
1096 err = au1xxxide_pm_resume(dev);
1097 }
1098 break;
1099 case AU1XXX_PM_GETSTATUS:
1100 err = au1xxxide_pm_getstatus(dev);
1101 break;
1102 case AU1XXX_PM_ACCESS:
1103 err = au1xxxide_pm_access(dev);
1104 break;
1105 case AU1XXX_PM_IDLE:
1106 err = au1xxxide_pm_idle(dev);
1107 break;
1108 case AU1XXX_PM_CLEANUP:
1109 err = au1xxxide_pm_cleanup(dev);
1110 break;
1111 default:
1112 err = -1;
1113 break;
1114 }
1115
1116 spin_unlock_irqrestore(auide_hwif.pm.lock, flags);
1117
1118 return err;
1119}
1120
1121static int au1xxxide_pm_standby( au1xxx_power_dev_t *dev ) {
1122 return 0;
1123}
1124
1125static int au1xxxide_pm_sleep( au1xxx_power_dev_t *dev ) {
1126
1127 int retval;
1128 ide_hwif_t *hwif = auide_hwif.hwif;
1129 struct request rq;
1130 struct request_pm_state rqpm;
1131 ide_task_t args;
1132
1133 if(auide_hwif.pm.stopped)
1134 return -1;
1135
1136 /*
1137 * wait until hard disc is ready
1138 */
1139 if ( wait_for_ready(&hwif->drives[0], 35000) ) {
1140 printk("Wait for drive sleep timeout!\n");
1141 retval = -1;
1142 }
1143
1144 /*
1145 * sequenz to tell the high level ide driver that pm is resuming
1146 */
1147 memset(&rq, 0, sizeof(rq));
1148 memset(&rqpm, 0, sizeof(rqpm));
1149 memset(&args, 0, sizeof(args));
1150 rq.flags = REQ_PM_SUSPEND;
1151 rq.special = &args;
1152 rq.pm = &rqpm;
1153 rqpm.pm_step = ide_pm_state_start_suspend;
1154 rqpm.pm_state = PMSG_SUSPEND;
1155
1156 retval = ide_do_drive_cmd(&hwif->drives[0], &rq, ide_wait);
1157
1158 if (wait_for_ready (&hwif->drives[0], 35000)) {
1159 printk("Wait for drive sleep timeout!\n");
1160 retval = -1;
1161 }
1162
1163 /*
1164 * stop dbdma channels
1165 */
1166 au1xxx_dbdma_reset(auide_hwif.tx_chan);
1167 au1xxx_dbdma_reset(auide_hwif.rx_chan);
1168
1169 auide_hwif.pm.stopped = 1;
1170
1171 return retval;
1172}
1173
1174static int au1xxxide_pm_resume( au1xxx_power_dev_t *dev ) {
1175
1176 int retval;
1177 ide_hwif_t *hwif = auide_hwif.hwif;
1178 struct request rq;
1179 struct request_pm_state rqpm;
1180 ide_task_t args;
1181
1182 if(!auide_hwif.pm.stopped)
1183 return -1;
1184
1185 /*
1186 * start dbdma channels
1187 */
1188 au1xxx_dbdma_start(auide_hwif.tx_chan);
1189 au1xxx_dbdma_start(auide_hwif.rx_chan);
1190
1191 /*
1192 * wait until hard disc is ready
1193 */
1194 if (wait_for_ready ( &hwif->drives[0], 35000)) {
1195 printk("Wait for drive wake up timeout!\n");
1196 retval = -1;
1197 }
1198
1199 /*
1200 * sequenz to tell the high level ide driver that pm is resuming
1201 */
1202 memset(&rq, 0, sizeof(rq));
1203 memset(&rqpm, 0, sizeof(rqpm));
1204 memset(&args, 0, sizeof(args));
1205 rq.flags = REQ_PM_RESUME;
1206 rq.special = &args;
1207 rq.pm = &rqpm;
1208 rqpm.pm_step = ide_pm_state_start_resume;
1209 rqpm.pm_state = PMSG_ON;
1210
1211 retval = ide_do_drive_cmd(&hwif->drives[0], &rq, ide_head_wait);
1212
1213 /*
1214 * wait for hard disc
1215 */
1216 if ( wait_for_ready(&hwif->drives[0], 35000) ) {
1217 printk("Wait for drive wake up timeout!\n");
1218 retval = -1;
1219 }
1220
1221 auide_hwif.pm.stopped = 0;
1222
1223 return retval;
1224}
1225
1226static int au1xxxide_pm_getstatus( au1xxx_power_dev_t *dev ) {
1227 return dev->cur_state;
1228}
1229
1230static int au1xxxide_pm_access( au1xxx_power_dev_t *dev ) {
1231 if (dev->cur_state != AWAKE_STATE)
1232 return 0;
1233 else
1234 return -1;
1235}
1236
1237static int au1xxxide_pm_idle( au1xxx_power_dev_t *dev ) {
1238 return 0;
1239}
1240
1241static int au1xxxide_pm_cleanup( au1xxx_power_dev_t *dev ) {
1242 return 0;
1243}
1244#endif /* CONFIG_PM */
1245
1246MODULE_LICENSE("GPL"); 812MODULE_LICENSE("GPL");
1247MODULE_DESCRIPTION("AU1200 IDE driver"); 813MODULE_DESCRIPTION("AU1200 IDE driver");
1248 814
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index af526b671c4e..4ee597d08797 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -622,12 +622,18 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev, ide_pci_device_t * d)
622 ide_hwif_t *hwif; 622 ide_hwif_t *hwif;
623 int h; 623 int h;
624 624
625 /*
626 * Find an empty HWIF; if none available, return -ENOMEM.
627 */
625 for (h = 0; h < MAX_HWIFS; ++h) { 628 for (h = 0; h < MAX_HWIFS; ++h) {
626 hwif = &ide_hwifs[h]; 629 hwif = &ide_hwifs[h];
627 /* Find an empty HWIF */
628 if (hwif->chipset == ide_unknown) 630 if (hwif->chipset == ide_unknown)
629 break; 631 break;
630 } 632 }
633 if (h == MAX_HWIFS) {
634 printk(KERN_ERR "%s: too many IDE interfaces, no room in table\n", d->name);
635 return -ENOMEM;
636 }
631 637
632 /* Get the CmdBlk and CtrlBlk Base Registers */ 638 /* Get the CmdBlk and CtrlBlk Base Registers */
633 base = pci_resource_start(dev, 0) + IOC4_CMD_OFFSET; 639 base = pci_resource_start(dev, 0) + IOC4_CMD_OFFSET;
diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c
index 7161ce0ef5aa..86fb1e0286d3 100644
--- a/drivers/ide/pci/via82cxxx.c
+++ b/drivers/ide/pci/via82cxxx.c
@@ -80,6 +80,7 @@ static struct via_isa_bridge {
80 u16 flags; 80 u16 flags;
81} via_isa_bridges[] = { 81} via_isa_bridges[] = {
82 { "vt6410", PCI_DEVICE_ID_VIA_6410, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, 82 { "vt6410", PCI_DEVICE_ID_VIA_6410, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
83 { "vt8251", PCI_DEVICE_ID_VIA_8251, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
83 { "vt8237", PCI_DEVICE_ID_VIA_8237, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, 84 { "vt8237", PCI_DEVICE_ID_VIA_8237, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
84 { "vt8235", PCI_DEVICE_ID_VIA_8235, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, 85 { "vt8235", PCI_DEVICE_ID_VIA_8235, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
85 { "vt8233a", PCI_DEVICE_ID_VIA_8233A, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, 86 { "vt8233a", PCI_DEVICE_ID_VIA_8233A, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-13 08:02:36 -0500