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path: root/drivers/ide/ide-taskfile.c
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Diffstat (limited to 'drivers/ide/ide-taskfile.c')
-rw-r--r--drivers/ide/ide-taskfile.c70
1 files changed, 16 insertions, 54 deletions
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index 9f9ad9fb6b89..9a846a0cd5a4 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -33,60 +33,18 @@
33#include <asm/uaccess.h> 33#include <asm/uaccess.h>
34#include <asm/io.h> 34#include <asm/io.h>
35 35
36void ide_tf_load(ide_drive_t *drive, ide_task_t *task) 36void ide_tf_dump(const char *s, struct ide_taskfile *tf)
37{ 37{
38 ide_hwif_t *hwif = drive->hwif;
39 struct ide_io_ports *io_ports = &hwif->io_ports;
40 struct ide_taskfile *tf = &task->tf;
41 u8 HIHI = (task->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF;
42
43 if (task->tf_flags & IDE_TFLAG_FLAGGED)
44 HIHI = 0xFF;
45
46#ifdef DEBUG 38#ifdef DEBUG
47 printk("%s: tf: feat 0x%02x nsect 0x%02x lbal 0x%02x " 39 printk("%s: tf: feat 0x%02x nsect 0x%02x lbal 0x%02x "
48 "lbam 0x%02x lbah 0x%02x dev 0x%02x cmd 0x%02x\n", 40 "lbam 0x%02x lbah 0x%02x dev 0x%02x cmd 0x%02x\n",
49 drive->name, tf->feature, tf->nsect, tf->lbal, 41 s, tf->feature, tf->nsect, tf->lbal,
50 tf->lbam, tf->lbah, tf->device, tf->command); 42 tf->lbam, tf->lbah, tf->device, tf->command);
51 printk("%s: hob: nsect 0x%02x lbal 0x%02x " 43 printk("%s: hob: nsect 0x%02x lbal 0x%02x "
52 "lbam 0x%02x lbah 0x%02x\n", 44 "lbam 0x%02x lbah 0x%02x\n",
53 drive->name, tf->hob_nsect, tf->hob_lbal, 45 s, tf->hob_nsect, tf->hob_lbal,
54 tf->hob_lbam, tf->hob_lbah); 46 tf->hob_lbam, tf->hob_lbah);
55#endif 47#endif
56
57 ide_set_irq(drive, 1);
58
59 if ((task->tf_flags & IDE_TFLAG_NO_SELECT_MASK) == 0)
60 SELECT_MASK(drive, 0);
61
62 if (task->tf_flags & IDE_TFLAG_OUT_DATA)
63 hwif->OUTW((tf->hob_data << 8) | tf->data, io_ports->data_addr);
64
65 if (task->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE)
66 hwif->OUTB(tf->hob_feature, io_ports->feature_addr);
67 if (task->tf_flags & IDE_TFLAG_OUT_HOB_NSECT)
68 hwif->OUTB(tf->hob_nsect, io_ports->nsect_addr);
69 if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAL)
70 hwif->OUTB(tf->hob_lbal, io_ports->lbal_addr);
71 if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAM)
72 hwif->OUTB(tf->hob_lbam, io_ports->lbam_addr);
73 if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAH)
74 hwif->OUTB(tf->hob_lbah, io_ports->lbah_addr);
75
76 if (task->tf_flags & IDE_TFLAG_OUT_FEATURE)
77 hwif->OUTB(tf->feature, io_ports->feature_addr);
78 if (task->tf_flags & IDE_TFLAG_OUT_NSECT)
79 hwif->OUTB(tf->nsect, io_ports->nsect_addr);
80 if (task->tf_flags & IDE_TFLAG_OUT_LBAL)
81 hwif->OUTB(tf->lbal, io_ports->lbal_addr);
82 if (task->tf_flags & IDE_TFLAG_OUT_LBAM)
83 hwif->OUTB(tf->lbam, io_ports->lbam_addr);
84 if (task->tf_flags & IDE_TFLAG_OUT_LBAH)
85 hwif->OUTB(tf->lbah, io_ports->lbah_addr);
86
87 if (task->tf_flags & IDE_TFLAG_OUT_DEVICE)
88 hwif->OUTB((tf->device & HIHI) | drive->select.all,
89 io_ports->device_addr);
90} 48}
91 49
92int taskfile_lib_get_identify (ide_drive_t *drive, u8 *buf) 50int taskfile_lib_get_identify (ide_drive_t *drive, u8 *buf)
@@ -149,8 +107,10 @@ ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task)
149 if (task->tf_flags & IDE_TFLAG_FLAGGED) 107 if (task->tf_flags & IDE_TFLAG_FLAGGED)
150 task->tf_flags |= IDE_TFLAG_FLAGGED_SET_IN_FLAGS; 108 task->tf_flags |= IDE_TFLAG_FLAGGED_SET_IN_FLAGS;
151 109
152 if ((task->tf_flags & IDE_TFLAG_DMA_PIO_FALLBACK) == 0) 110 if ((task->tf_flags & IDE_TFLAG_DMA_PIO_FALLBACK) == 0) {
153 ide_tf_load(drive, task); 111 ide_tf_dump(drive->name, tf);
112 hwif->tf_load(drive, task);
113 }
154 114
155 switch (task->data_phase) { 115 switch (task->data_phase) {
156 case TASKFILE_MULTI_OUT: 116 case TASKFILE_MULTI_OUT:
@@ -283,7 +243,8 @@ static u8 wait_drive_not_busy(ide_drive_t *drive)
283 return stat; 243 return stat;
284} 244}
285 245
286static void ide_pio_sector(ide_drive_t *drive, unsigned int write) 246static void ide_pio_sector(ide_drive_t *drive, struct request *rq,
247 unsigned int write)
287{ 248{
288 ide_hwif_t *hwif = drive->hwif; 249 ide_hwif_t *hwif = drive->hwif;
289 struct scatterlist *sg = hwif->sg_table; 250 struct scatterlist *sg = hwif->sg_table;
@@ -323,9 +284,9 @@ static void ide_pio_sector(ide_drive_t *drive, unsigned int write)
323 284
324 /* do the actual data transfer */ 285 /* do the actual data transfer */
325 if (write) 286 if (write)
326 hwif->ata_output_data(drive, buf, SECTOR_WORDS); 287 hwif->output_data(drive, rq, buf, SECTOR_SIZE);
327 else 288 else
328 hwif->ata_input_data(drive, buf, SECTOR_WORDS); 289 hwif->input_data(drive, rq, buf, SECTOR_SIZE);
329 290
330 kunmap_atomic(buf, KM_BIO_SRC_IRQ); 291 kunmap_atomic(buf, KM_BIO_SRC_IRQ);
331#ifdef CONFIG_HIGHMEM 292#ifdef CONFIG_HIGHMEM
@@ -333,13 +294,14 @@ static void ide_pio_sector(ide_drive_t *drive, unsigned int write)
333#endif 294#endif
334} 295}
335 296
336static void ide_pio_multi(ide_drive_t *drive, unsigned int write) 297static void ide_pio_multi(ide_drive_t *drive, struct request *rq,
298 unsigned int write)
337{ 299{
338 unsigned int nsect; 300 unsigned int nsect;
339 301
340 nsect = min_t(unsigned int, drive->hwif->nleft, drive->mult_count); 302 nsect = min_t(unsigned int, drive->hwif->nleft, drive->mult_count);
341 while (nsect--) 303 while (nsect--)
342 ide_pio_sector(drive, write); 304 ide_pio_sector(drive, rq, write);
343} 305}
344 306
345static void ide_pio_datablock(ide_drive_t *drive, struct request *rq, 307static void ide_pio_datablock(ide_drive_t *drive, struct request *rq,
@@ -362,10 +324,10 @@ static void ide_pio_datablock(ide_drive_t *drive, struct request *rq,
362 switch (drive->hwif->data_phase) { 324 switch (drive->hwif->data_phase) {
363 case TASKFILE_MULTI_IN: 325 case TASKFILE_MULTI_IN:
364 case TASKFILE_MULTI_OUT: 326 case TASKFILE_MULTI_OUT:
365 ide_pio_multi(drive, write); 327 ide_pio_multi(drive, rq, write);
366 break; 328 break;
367 default: 329 default:
368 ide_pio_sector(drive, write); 330 ide_pio_sector(drive, rq, write);
369 break; 331 break;
370 } 332 }
371 333