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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-03-24 23:22:46 +0100
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-03-24 23:22:46 +0100
commit1574cf6cb4800525be769ee6023c567113fa2d18 (patch)
tree402ba6391dbc71d7a143ddba6cf998845530c77c /drivers/ide/ide-iops.c
parent0d6a9754c06e173552b0ad5fad45f69786b6de99 (diff)
downloadlinux-1574cf6cb4800525be769ee6023c567113fa2d18.tar.gz
ide: move standard I/O code to ide-io-std.c
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide-iops.c')
-rw-r--r--drivers/ide/ide-iops.c313
1 files changed, 0 insertions, 313 deletions
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index d24add692129..91a49b543bd5 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -27,34 +27,6 @@
 #include <asm/uaccess.h>
 #include <asm/io.h>
 
-/*
- *	Conventional PIO operations for ATA devices
- */
-
-static u8 ide_inb (unsigned long port)
-{
-	return (u8) inb(port);
-}
-
-static void ide_outb (u8 val, unsigned long port)
-{
-	outb(val, port);
-}
-
-/*
- *	MMIO operations, typically used for SATA controllers
- */
-
-static u8 ide_mm_inb (unsigned long port)
-{
-	return (u8) readb((void __iomem *) port);
-}
-
-static void ide_mm_outb (u8 value, unsigned long port)
-{
-	writeb(value, (void __iomem *) port);
-}
-
 void SELECT_DRIVE (ide_drive_t *drive)
 {
 	ide_hwif_t *hwif = drive->hwif;
@@ -78,277 +50,6 @@ void SELECT_MASK(ide_drive_t *drive, int mask)
 		port_ops->maskproc(drive, mask);
 }
 
-void ide_exec_command(ide_hwif_t *hwif, u8 cmd)
-{
-	if (hwif->host_flags & IDE_HFLAG_MMIO)
-		writeb(cmd, (void __iomem *)hwif->io_ports.command_addr);
-	else
-		outb(cmd, hwif->io_ports.command_addr);
-}
-EXPORT_SYMBOL_GPL(ide_exec_command);
-
-u8 ide_read_status(ide_hwif_t *hwif)
-{
-	if (hwif->host_flags & IDE_HFLAG_MMIO)
-		return readb((void __iomem *)hwif->io_ports.status_addr);
-	else
-		return inb(hwif->io_ports.status_addr);
-}
-EXPORT_SYMBOL_GPL(ide_read_status);
-
-u8 ide_read_altstatus(ide_hwif_t *hwif)
-{
-	if (hwif->host_flags & IDE_HFLAG_MMIO)
-		return readb((void __iomem *)hwif->io_ports.ctl_addr);
-	else
-		return inb(hwif->io_ports.ctl_addr);
-}
-EXPORT_SYMBOL_GPL(ide_read_altstatus);
-
-void ide_set_irq(ide_hwif_t *hwif, int on)
-{
-	u8 ctl = ATA_DEVCTL_OBS;
-
-	if (on == 4) { /* hack for SRST */
-		ctl |= 4;
-		on &= ~4;
-	}
-
-	ctl |= on ? 0 : 2;
-
-	if (hwif->host_flags & IDE_HFLAG_MMIO)
-		writeb(ctl, (void __iomem *)hwif->io_ports.ctl_addr);
-	else
-		outb(ctl, hwif->io_ports.ctl_addr);
-}
-EXPORT_SYMBOL_GPL(ide_set_irq);
-
-void ide_tf_load(ide_drive_t *drive, ide_task_t *task)
-{
-	ide_hwif_t *hwif = drive->hwif;
-	struct ide_io_ports *io_ports = &hwif->io_ports;
-	struct ide_taskfile *tf = &task->tf;
-	void (*tf_outb)(u8 addr, unsigned long port);
-	u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
-	u8 HIHI = (task->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF;
-
-	if (mmio)
-		tf_outb = ide_mm_outb;
-	else
-		tf_outb = ide_outb;
-
-	if (task->tf_flags & IDE_TFLAG_FLAGGED)
-		HIHI = 0xFF;
-
-	if (task->tf_flags & IDE_TFLAG_OUT_DATA) {
-		u16 data = (tf->hob_data << 8) | tf->data;
-
-		if (mmio)
-			writew(data, (void __iomem *)io_ports->data_addr);
-		else
-			outw(data, io_ports->data_addr);
-	}
-
-	if (task->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE)
-		tf_outb(tf->hob_feature, io_ports->feature_addr);
-	if (task->tf_flags & IDE_TFLAG_OUT_HOB_NSECT)
-		tf_outb(tf->hob_nsect, io_ports->nsect_addr);
-	if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAL)
-		tf_outb(tf->hob_lbal, io_ports->lbal_addr);
-	if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAM)
-		tf_outb(tf->hob_lbam, io_ports->lbam_addr);
-	if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAH)
-		tf_outb(tf->hob_lbah, io_ports->lbah_addr);
-
-	if (task->tf_flags & IDE_TFLAG_OUT_FEATURE)
-		tf_outb(tf->feature, io_ports->feature_addr);
-	if (task->tf_flags & IDE_TFLAG_OUT_NSECT)
-		tf_outb(tf->nsect, io_ports->nsect_addr);
-	if (task->tf_flags & IDE_TFLAG_OUT_LBAL)
-		tf_outb(tf->lbal, io_ports->lbal_addr);
-	if (task->tf_flags & IDE_TFLAG_OUT_LBAM)
-		tf_outb(tf->lbam, io_ports->lbam_addr);
-	if (task->tf_flags & IDE_TFLAG_OUT_LBAH)
-		tf_outb(tf->lbah, io_ports->lbah_addr);
-
-	if (task->tf_flags & IDE_TFLAG_OUT_DEVICE)
-		tf_outb((tf->device & HIHI) | drive->select,
-			 io_ports->device_addr);
-}
-EXPORT_SYMBOL_GPL(ide_tf_load);
-
-void ide_tf_read(ide_drive_t *drive, ide_task_t *task)
-{
-	ide_hwif_t *hwif = drive->hwif;
-	struct ide_io_ports *io_ports = &hwif->io_ports;
-	struct ide_taskfile *tf = &task->tf;
-	void (*tf_outb)(u8 addr, unsigned long port);
-	u8 (*tf_inb)(unsigned long port);
-	u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
-
-	if (mmio) {
-		tf_outb = ide_mm_outb;
-		tf_inb  = ide_mm_inb;
-	} else {
-		tf_outb = ide_outb;
-		tf_inb  = ide_inb;
-	}
-
-	if (task->tf_flags & IDE_TFLAG_IN_DATA) {
-		u16 data;
-
-		if (mmio)
-			data = readw((void __iomem *)io_ports->data_addr);
-		else
-			data = inw(io_ports->data_addr);
-
-		tf->data = data & 0xff;
-		tf->hob_data = (data >> 8) & 0xff;
-	}
-
-	/* be sure we're looking at the low order bits */
-	tf_outb(ATA_DEVCTL_OBS & ~0x80, io_ports->ctl_addr);
-
-	if (task->tf_flags & IDE_TFLAG_IN_FEATURE)
-		tf->feature = tf_inb(io_ports->feature_addr);
-	if (task->tf_flags & IDE_TFLAG_IN_NSECT)
-		tf->nsect  = tf_inb(io_ports->nsect_addr);
-	if (task->tf_flags & IDE_TFLAG_IN_LBAL)
-		tf->lbal   = tf_inb(io_ports->lbal_addr);
-	if (task->tf_flags & IDE_TFLAG_IN_LBAM)
-		tf->lbam   = tf_inb(io_ports->lbam_addr);
-	if (task->tf_flags & IDE_TFLAG_IN_LBAH)
-		tf->lbah   = tf_inb(io_ports->lbah_addr);
-	if (task->tf_flags & IDE_TFLAG_IN_DEVICE)
-		tf->device = tf_inb(io_ports->device_addr);
-
-	if (task->tf_flags & IDE_TFLAG_LBA48) {
-		tf_outb(ATA_DEVCTL_OBS | 0x80, io_ports->ctl_addr);
-
-		if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE)
-			tf->hob_feature = tf_inb(io_ports->feature_addr);
-		if (task->tf_flags & IDE_TFLAG_IN_HOB_NSECT)
-			tf->hob_nsect   = tf_inb(io_ports->nsect_addr);
-		if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAL)
-			tf->hob_lbal    = tf_inb(io_ports->lbal_addr);
-		if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAM)
-			tf->hob_lbam    = tf_inb(io_ports->lbam_addr);
-		if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAH)
-			tf->hob_lbah    = tf_inb(io_ports->lbah_addr);
-	}
-}
-EXPORT_SYMBOL_GPL(ide_tf_read);
-
-/*
- * Some localbus EIDE interfaces require a special access sequence
- * when using 32-bit I/O instructions to transfer data.  We call this
- * the "vlb_sync" sequence, which consists of three successive reads
- * of the sector count register location, with interrupts disabled
- * to ensure that the reads all happen together.
- */
-static void ata_vlb_sync(unsigned long port)
-{
-	(void)inb(port);
-	(void)inb(port);
-	(void)inb(port);
-}
-
-/*
- * This is used for most PIO data transfers *from* the IDE interface
- *
- * These routines will round up any request for an odd number of bytes,
- * so if an odd len is specified, be sure that there's at least one
- * extra byte allocated for the buffer.
- */
-void ide_input_data(ide_drive_t *drive, struct request *rq, void *buf,
-		    unsigned int len)
-{
-	ide_hwif_t *hwif = drive->hwif;
-	struct ide_io_ports *io_ports = &hwif->io_ports;
-	unsigned long data_addr = io_ports->data_addr;
-	u8 io_32bit = drive->io_32bit;
-	u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
-
-	len++;
-
-	if (io_32bit) {
-		unsigned long uninitialized_var(flags);
-
-		if ((io_32bit & 2) && !mmio) {
-			local_irq_save(flags);
-			ata_vlb_sync(io_ports->nsect_addr);
-		}
-
-		if (mmio)
-			__ide_mm_insl((void __iomem *)data_addr, buf, len / 4);
-		else
-			insl(data_addr, buf, len / 4);
-
-		if ((io_32bit & 2) && !mmio)
-			local_irq_restore(flags);
-
-		if ((len & 3) >= 2) {
-			if (mmio)
-				__ide_mm_insw((void __iomem *)data_addr,
-						(u8 *)buf + (len & ~3), 1);
-			else
-				insw(data_addr, (u8 *)buf + (len & ~3), 1);
-		}
-	} else {
-		if (mmio)
-			__ide_mm_insw((void __iomem *)data_addr, buf, len / 2);
-		else
-			insw(data_addr, buf, len / 2);
-	}
-}
-EXPORT_SYMBOL_GPL(ide_input_data);
-
-/*
- * This is used for most PIO data transfers *to* the IDE interface
- */
-void ide_output_data(ide_drive_t *drive, struct request *rq, void *buf,
-		     unsigned int len)
-{
-	ide_hwif_t *hwif = drive->hwif;
-	struct ide_io_ports *io_ports = &hwif->io_ports;
-	unsigned long data_addr = io_ports->data_addr;
-	u8 io_32bit = drive->io_32bit;
-	u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
-
-	len++;
-
-	if (io_32bit) {
-		unsigned long uninitialized_var(flags);
-
-		if ((io_32bit & 2) && !mmio) {
-			local_irq_save(flags);
-			ata_vlb_sync(io_ports->nsect_addr);
-		}
-
-		if (mmio)
-			__ide_mm_outsl((void __iomem *)data_addr, buf, len / 4);
-		else
-			outsl(data_addr, buf, len / 4);
-
-		if ((io_32bit & 2) && !mmio)
-			local_irq_restore(flags);
-
-		if ((len & 3) >= 2) {
-			if (mmio)
-				__ide_mm_outsw((void __iomem *)data_addr,
-						 (u8 *)buf + (len & ~3), 1);
-			else
-				outsw(data_addr, (u8 *)buf + (len & ~3), 1);
-		}
-	} else {
-		if (mmio)
-			__ide_mm_outsw((void __iomem *)data_addr, buf, len / 2);
-		else
-			outsw(data_addr, buf, len / 2);
-	}
-}
-EXPORT_SYMBOL_GPL(ide_output_data);
-
 u8 ide_read_error(ide_drive_t *drive)
 {
 	ide_task_t task;
@@ -362,20 +63,6 @@ u8 ide_read_error(ide_drive_t *drive)
 }
 EXPORT_SYMBOL_GPL(ide_read_error);
 
-const struct ide_tp_ops default_tp_ops = {
-	.exec_command		= ide_exec_command,
-	.read_status		= ide_read_status,
-	.read_altstatus		= ide_read_altstatus,
-
-	.set_irq		= ide_set_irq,
-
-	.tf_load		= ide_tf_load,
-	.tf_read		= ide_tf_read,
-
-	.input_data		= ide_input_data,
-	.output_data		= ide_output_data,
-};
-
 void ide_fix_driveid(u16 *id)
 {
 #ifndef __LITTLE_ENDIAN