コード例 #1
0
static int __scc_dma_end(ide_drive_t *drive)
{
	ide_hwif_t *hwif = drive->hwif;
	u8 dma_stat, dma_cmd;

	/* get DMA command mode */
	dma_cmd = scc_ide_inb(hwif->dma_base);
	/* stop DMA */
	scc_ide_outb(dma_cmd & ~1, hwif->dma_base);
	/* get DMA status */
	dma_stat = scc_dma_sff_read_status(hwif);
	/* clear the INTR & ERROR bits */
	scc_ide_outb(dma_stat | 6, hwif->dma_base + 4);
	/* verify good DMA status */
	return (dma_stat & 7) != 4 ? (0x10 | dma_stat) : 0;
}
コード例 #2
0
static void scc_dma_start(ide_drive_t *drive)
{
	ide_hwif_t *hwif = drive->hwif;
	u8 dma_cmd = scc_ide_inb(hwif->dma_base);

	/* start DMA */
	scc_ide_outb(dma_cmd | 1, hwif->dma_base);
}
コード例 #3
0
static int __scc_dma_end(ide_drive_t *drive)
{
	ide_hwif_t *hwif = drive->hwif;
	u8 dma_stat, dma_cmd;

	drive->waiting_for_dma = 0;
	/* get DMA command mode */
	dma_cmd = scc_ide_inb(hwif->dma_base);
	/* stop DMA */
	scc_ide_outb(dma_cmd & ~1, hwif->dma_base);
	/* get DMA status */
	dma_stat = scc_ide_inb(hwif->dma_base + 4);
	/* clear the INTR & ERROR bits */
	scc_ide_outb(dma_stat | 6, hwif->dma_base + 4);
	/* purge DMA mappings */
	ide_destroy_dmatable(drive);
	/* verify good DMA status */
	hwif->dma = 0;
	wmb();
	return (dma_stat & 7) != 4 ? (0x10 | dma_stat) : 0;
}
コード例 #4
0
static void scc_dma_host_set(ide_drive_t *drive, int on)
{
	ide_hwif_t *hwif = drive->hwif;
	u8 unit = (drive->select.b.unit & 0x01);
	u8 dma_stat = scc_ide_inb(hwif->dma_base + 4);

	if (on)
		dma_stat |= (1 << (5 + unit));
	else
		dma_stat &= ~(1 << (5 + unit));

	scc_ide_outb(dma_stat, hwif->dma_base + 4);
}
コード例 #5
0
ファイル: scc_pata.c プロジェクト: mecke/linux-2.6
static void scc_dma_host_set(ide_drive_t *drive, int on)
{
	ide_hwif_t *hwif = drive->hwif;
	u8 unit = drive->dn & 1;
	u8 dma_stat = scc_dma_sff_read_status(hwif);

	if (on)
		dma_stat |= (1 << (5 + unit));
	else
		dma_stat &= ~(1 << (5 + unit));

	scc_ide_outb(dma_stat, hwif->dma_base + 4);
}
コード例 #6
0
ファイル: scc_pata.c プロジェクト: mecke/linux-2.6
static void scc_tf_read(ide_drive_t *drive, struct ide_cmd *cmd)
{
	struct ide_io_ports *io_ports = &drive->hwif->io_ports;
	struct ide_taskfile *tf = &cmd->tf;

	/* be sure we're looking at the low order bits */
	scc_ide_outb(ATA_DEVCTL_OBS, io_ports->ctl_addr);

	if (cmd->tf_flags & IDE_TFLAG_IN_ERROR)
		tf->error  = scc_ide_inb(io_ports->feature_addr);
	if (cmd->tf_flags & IDE_TFLAG_IN_NSECT)
		tf->nsect  = scc_ide_inb(io_ports->nsect_addr);
	if (cmd->tf_flags & IDE_TFLAG_IN_LBAL)
		tf->lbal   = scc_ide_inb(io_ports->lbal_addr);
	if (cmd->tf_flags & IDE_TFLAG_IN_LBAM)
		tf->lbam   = scc_ide_inb(io_ports->lbam_addr);
	if (cmd->tf_flags & IDE_TFLAG_IN_LBAH)
		tf->lbah   = scc_ide_inb(io_ports->lbah_addr);
	if (cmd->tf_flags & IDE_TFLAG_IN_DEVICE)
		tf->device = scc_ide_inb(io_ports->device_addr);

	if (cmd->tf_flags & IDE_TFLAG_LBA48) {
		scc_ide_outb(ATA_HOB | ATA_DEVCTL_OBS, io_ports->ctl_addr);

		if (cmd->tf_flags & IDE_TFLAG_IN_HOB_ERROR)
			tf->hob_error = scc_ide_inb(io_ports->feature_addr);
		if (cmd->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
			tf->hob_nsect = scc_ide_inb(io_ports->nsect_addr);
		if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
			tf->hob_lbal  = scc_ide_inb(io_ports->lbal_addr);
		if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
			tf->hob_lbam  = scc_ide_inb(io_ports->lbam_addr);
		if (cmd->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
			tf->hob_lbah  = scc_ide_inb(io_ports->lbah_addr);
	}
}
コード例 #7
0
static void scc_tf_load(ide_drive_t *drive, struct ide_taskfile *tf, u8 valid)
{
	struct ide_io_ports *io_ports = &drive->hwif->io_ports;

	if (valid & IDE_VALID_FEATURE)
		scc_ide_outb(tf->feature, io_ports->feature_addr);
	if (valid & IDE_VALID_NSECT)
		scc_ide_outb(tf->nsect, io_ports->nsect_addr);
	if (valid & IDE_VALID_LBAL)
		scc_ide_outb(tf->lbal, io_ports->lbal_addr);
	if (valid & IDE_VALID_LBAM)
		scc_ide_outb(tf->lbam, io_ports->lbam_addr);
	if (valid & IDE_VALID_LBAH)
		scc_ide_outb(tf->lbah, io_ports->lbah_addr);
	if (valid & IDE_VALID_DEVICE)
		scc_ide_outb(tf->device, io_ports->device_addr);
}
コード例 #8
0
static void scc_tf_load(ide_drive_t *drive, ide_task_t *task)
{
	struct ide_io_ports *io_ports = &drive->hwif->io_ports;
	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;

	if (task->tf_flags & IDE_TFLAG_OUT_DATA)
		out_be32((void *)io_ports->data_addr,
			 (tf->hob_data << 8) | tf->data);

	if (task->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE)
		scc_ide_outb(tf->hob_feature, io_ports->feature_addr);
	if (task->tf_flags & IDE_TFLAG_OUT_HOB_NSECT)
		scc_ide_outb(tf->hob_nsect, io_ports->nsect_addr);
	if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAL)
		scc_ide_outb(tf->hob_lbal, io_ports->lbal_addr);
	if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAM)
		scc_ide_outb(tf->hob_lbam, io_ports->lbam_addr);
	if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAH)
		scc_ide_outb(tf->hob_lbah, io_ports->lbah_addr);

	if (task->tf_flags & IDE_TFLAG_OUT_FEATURE)
		scc_ide_outb(tf->feature, io_ports->feature_addr);
	if (task->tf_flags & IDE_TFLAG_OUT_NSECT)
		scc_ide_outb(tf->nsect, io_ports->nsect_addr);
	if (task->tf_flags & IDE_TFLAG_OUT_LBAL)
		scc_ide_outb(tf->lbal, io_ports->lbal_addr);
	if (task->tf_flags & IDE_TFLAG_OUT_LBAM)
		scc_ide_outb(tf->lbam, io_ports->lbam_addr);
	if (task->tf_flags & IDE_TFLAG_OUT_LBAH)
		scc_ide_outb(tf->lbah, io_ports->lbah_addr);

	if (task->tf_flags & IDE_TFLAG_OUT_DEVICE)
		scc_ide_outb((tf->device & HIHI) | drive->select.all,
			     io_ports->device_addr);
}
コード例 #9
0
ファイル: scc_pata.c プロジェクト: mecke/linux-2.6
static void scc_tf_load(ide_drive_t *drive, struct ide_cmd *cmd)
{
	struct ide_io_ports *io_ports = &drive->hwif->io_ports;
	struct ide_taskfile *tf = &cmd->tf;
	u8 HIHI = (cmd->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF;

	if (cmd->ftf_flags & IDE_FTFLAG_FLAGGED)
		HIHI = 0xFF;

	if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE)
		scc_ide_outb(tf->hob_feature, io_ports->feature_addr);
	if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_NSECT)
		scc_ide_outb(tf->hob_nsect, io_ports->nsect_addr);
	if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_LBAL)
		scc_ide_outb(tf->hob_lbal, io_ports->lbal_addr);
	if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_LBAM)
		scc_ide_outb(tf->hob_lbam, io_ports->lbam_addr);
	if (cmd->tf_flags & IDE_TFLAG_OUT_HOB_LBAH)
		scc_ide_outb(tf->hob_lbah, io_ports->lbah_addr);

	if (cmd->tf_flags & IDE_TFLAG_OUT_FEATURE)
		scc_ide_outb(tf->feature, io_ports->feature_addr);
	if (cmd->tf_flags & IDE_TFLAG_OUT_NSECT)
		scc_ide_outb(tf->nsect, io_ports->nsect_addr);
	if (cmd->tf_flags & IDE_TFLAG_OUT_LBAL)
		scc_ide_outb(tf->lbal, io_ports->lbal_addr);
	if (cmd->tf_flags & IDE_TFLAG_OUT_LBAM)
		scc_ide_outb(tf->lbam, io_ports->lbam_addr);
	if (cmd->tf_flags & IDE_TFLAG_OUT_LBAH)
		scc_ide_outb(tf->lbah, io_ports->lbah_addr);

	if (cmd->tf_flags & IDE_TFLAG_OUT_DEVICE)
		scc_ide_outb((tf->device & HIHI) | drive->select,
			     io_ports->device_addr);
}