]> err.no Git - linux-2.6/blobdiff - drivers/ide/ide-taskfile.c
Merge branch 'for-2.6.26' of master.kernel.org:/pub/scm/linux/kernel/git/jwboyer...
[linux-2.6] / drivers / ide / ide-taskfile.c
index 4c86a8d84b4ccd02d8567b6b00f51429e5f9c82a..0c908ca3ff79654ac3d0bf8fe500f32658d84016 100644 (file)
 #include <asm/uaccess.h>
 #include <asm/io.h>
 
-void ide_tf_load(ide_drive_t *drive, ide_task_t *task)
+void ide_tf_dump(const char *s, struct ide_taskfile *tf)
 {
-       ide_hwif_t *hwif = drive->hwif;
-       struct ide_taskfile *tf = &task->tf;
-       u8 HIHI = (task->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF;
-
-       if (task->tf_flags & IDE_TFLAG_FLAGGED)
-               HIHI = 0xFF;
-
 #ifdef DEBUG
        printk("%s: tf: feat 0x%02x nsect 0x%02x lbal 0x%02x "
                "lbam 0x%02x lbah 0x%02x dev 0x%02x cmd 0x%02x\n",
-               drive->name, tf->feature, tf->nsect, tf->lbal,
+               s, tf->feature, tf->nsect, tf->lbal,
                tf->lbam, tf->lbah, tf->device, tf->command);
        printk("%s: hob: nsect 0x%02x lbal 0x%02x "
                "lbam 0x%02x lbah 0x%02x\n",
-               drive->name, tf->hob_nsect, tf->hob_lbal,
+               s, tf->hob_nsect, tf->hob_lbal,
                tf->hob_lbam, tf->hob_lbah);
 #endif
-
-       ide_set_irq(drive, 1);
-
-       if ((task->tf_flags & IDE_TFLAG_NO_SELECT_MASK) == 0)
-               SELECT_MASK(drive, 0);
-
-       if (task->tf_flags & IDE_TFLAG_OUT_DATA)
-               hwif->OUTW((tf->hob_data << 8) | tf->data, IDE_DATA_REG);
-
-       if (task->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE)
-               hwif->OUTB(tf->hob_feature, IDE_FEATURE_REG);
-       if (task->tf_flags & IDE_TFLAG_OUT_HOB_NSECT)
-               hwif->OUTB(tf->hob_nsect, IDE_NSECTOR_REG);
-       if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAL)
-               hwif->OUTB(tf->hob_lbal, IDE_SECTOR_REG);
-       if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAM)
-               hwif->OUTB(tf->hob_lbam, IDE_LCYL_REG);
-       if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAH)
-               hwif->OUTB(tf->hob_lbah, IDE_HCYL_REG);
-
-       if (task->tf_flags & IDE_TFLAG_OUT_FEATURE)
-               hwif->OUTB(tf->feature, IDE_FEATURE_REG);
-       if (task->tf_flags & IDE_TFLAG_OUT_NSECT)
-               hwif->OUTB(tf->nsect, IDE_NSECTOR_REG);
-       if (task->tf_flags & IDE_TFLAG_OUT_LBAL)
-               hwif->OUTB(tf->lbal, IDE_SECTOR_REG);
-       if (task->tf_flags & IDE_TFLAG_OUT_LBAM)
-               hwif->OUTB(tf->lbam, IDE_LCYL_REG);
-       if (task->tf_flags & IDE_TFLAG_OUT_LBAH)
-               hwif->OUTB(tf->lbah, IDE_HCYL_REG);
-
-       if (task->tf_flags & IDE_TFLAG_OUT_DEVICE)
-               hwif->OUTB((tf->device & HIHI) | drive->select.all, IDE_SELECT_REG);
 }
 
 int taskfile_lib_get_identify (ide_drive_t *drive, u8 *buf)
@@ -133,6 +93,7 @@ ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task)
        ide_hwif_t *hwif        = HWIF(drive);
        struct ide_taskfile *tf = &task->tf;
        ide_handler_t *handler = NULL;
+       const struct ide_dma_ops *dma_ops = hwif->dma_ops;
 
        if (task->data_phase == TASKFILE_MULTI_IN ||
            task->data_phase == TASKFILE_MULTI_OUT) {
@@ -146,13 +107,15 @@ ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task)
        if (task->tf_flags & IDE_TFLAG_FLAGGED)
                task->tf_flags |= IDE_TFLAG_FLAGGED_SET_IN_FLAGS;
 
-       if ((task->tf_flags & IDE_TFLAG_DMA_PIO_FALLBACK) == 0)
-               ide_tf_load(drive, task);
+       if ((task->tf_flags & IDE_TFLAG_DMA_PIO_FALLBACK) == 0) {
+               ide_tf_dump(drive->name, tf);
+               hwif->tf_load(drive, task);
+       }
 
        switch (task->data_phase) {
        case TASKFILE_MULTI_OUT:
        case TASKFILE_OUT:
-               hwif->OUTBSYNC(drive, tf->command, IDE_COMMAND_REG);
+               hwif->OUTBSYNC(drive, tf->command, hwif->io_ports.command_addr);
                ndelay(400);    /* FIXME */
                return pre_task_out_intr(drive, task->rq);
        case TASKFILE_MULTI_IN:
@@ -175,10 +138,10 @@ ide_startstop_t do_rw_taskfile (ide_drive_t *drive, ide_task_t *task)
                return ide_started;
        default:
                if (task_dma_ok(task) == 0 || drive->using_dma == 0 ||
-                   hwif->dma_setup(drive))
+                   dma_ops->dma_setup(drive))
                        return ide_stopped;
-               hwif->dma_exec_cmd(drive, tf->command);
-               hwif->dma_start(drive);
+               dma_ops->dma_exec_cmd(drive, tf->command);
+               dma_ops->dma_start(drive);
                return ide_started;
        }
 }
@@ -280,7 +243,8 @@ static u8 wait_drive_not_busy(ide_drive_t *drive)
        return stat;
 }
 
-static void ide_pio_sector(ide_drive_t *drive, unsigned int write)
+static void ide_pio_sector(ide_drive_t *drive, struct request *rq,
+                          unsigned int write)
 {
        ide_hwif_t *hwif = drive->hwif;
        struct scatterlist *sg = hwif->sg_table;
@@ -320,9 +284,9 @@ static void ide_pio_sector(ide_drive_t *drive, unsigned int write)
 
        /* do the actual data transfer */
        if (write)
-               hwif->ata_output_data(drive, buf, SECTOR_WORDS);
+               hwif->output_data(drive, rq, buf, SECTOR_SIZE);
        else
-               hwif->ata_input_data(drive, buf, SECTOR_WORDS);
+               hwif->input_data(drive, rq, buf, SECTOR_SIZE);
 
        kunmap_atomic(buf, KM_BIO_SRC_IRQ);
 #ifdef CONFIG_HIGHMEM
@@ -330,13 +294,14 @@ static void ide_pio_sector(ide_drive_t *drive, unsigned int write)
 #endif
 }
 
-static void ide_pio_multi(ide_drive_t *drive, unsigned int write)
+static void ide_pio_multi(ide_drive_t *drive, struct request *rq,
+                         unsigned int write)
 {
        unsigned int nsect;
 
        nsect = min_t(unsigned int, drive->hwif->nleft, drive->mult_count);
        while (nsect--)
-               ide_pio_sector(drive, write);
+               ide_pio_sector(drive, rq, write);
 }
 
 static void ide_pio_datablock(ide_drive_t *drive, struct request *rq,
@@ -359,10 +324,10 @@ static void ide_pio_datablock(ide_drive_t *drive, struct request *rq,
        switch (drive->hwif->data_phase) {
        case TASKFILE_MULTI_IN:
        case TASKFILE_MULTI_OUT:
-               ide_pio_multi(drive, write);
+               ide_pio_multi(drive, rq, write);
                break;
        default:
-               ide_pio_sector(drive, write);
+               ide_pio_sector(drive, rq, write);
                break;
        }
 
@@ -452,7 +417,7 @@ static ide_startstop_t task_in_intr(ide_drive_t *drive)
 
        /* Error? */
        if (stat & ERR_STAT)
-               return task_error(drive, rq, __FUNCTION__, stat);
+               return task_error(drive, rq, __func__, stat);
 
        /* Didn't want any data? Odd. */
        if (!(stat & DRQ_STAT))
@@ -464,7 +429,7 @@ static ide_startstop_t task_in_intr(ide_drive_t *drive)
        if (!hwif->nleft) {
                stat = wait_drive_not_busy(drive);
                if (!OK_STAT(stat, 0, BAD_STAT))
-                       return task_error(drive, rq, __FUNCTION__, stat);
+                       return task_error(drive, rq, __func__, stat);
                task_end_request(drive, rq, stat);
                return ide_stopped;
        }
@@ -485,11 +450,11 @@ static ide_startstop_t task_out_intr (ide_drive_t *drive)
        u8 stat = ide_read_status(drive);
 
        if (!OK_STAT(stat, DRIVE_READY, drive->bad_wstat))
-               return task_error(drive, rq, __FUNCTION__, stat);
+               return task_error(drive, rq, __func__, stat);
 
        /* Deal with unexpected ATA data phase. */
        if (((stat & DRQ_STAT) == 0) ^ !hwif->nleft)
-               return task_error(drive, rq, __FUNCTION__, stat);
+               return task_error(drive, rq, __func__, stat);
 
        if (!hwif->nleft) {
                task_end_request(drive, rq, stat);
@@ -529,8 +494,7 @@ int ide_raw_taskfile(ide_drive_t *drive, ide_task_t *task, u8 *buf, u16 nsect)
 {
        struct request rq;
 
-       memset(&rq, 0, sizeof(rq));
-       rq.ref_count = 1;
+       blk_rq_init(NULL, &rq);
        rq.cmd_type = REQ_TYPE_ATA_TASKFILE;
        rq.buffer = buf;
 
@@ -672,7 +636,7 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
                                /* (hs): give up if multcount is not set */
                                printk(KERN_ERR "%s: %s Multimode Write " \
                                        "multcount is not set\n",
-                                       drive->name, __FUNCTION__);
+                                       drive->name, __func__);
                                err = -EPERM;
                                goto abort;
                        }
@@ -689,7 +653,7 @@ int ide_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
                                /* (hs): give up if multcount is not set */
                                printk(KERN_ERR "%s: %s Multimode Read failure " \
                                        "multcount is not set\n",
-                                       drive->name, __FUNCTION__);
+                                       drive->name, __func__);
                                err = -EPERM;
                                goto abort;
                        }