[deliverable/linux.git] / drivers / ide / ide-io-std.c


#include <linux/kernel.h>
#include <linux/ide.h>

#if defined(CONFIG_ARM) || defined(CONFIG_M68K) || defined(CONFIG_MIPS) || \
    defined(CONFIG_PARISC) || defined(CONFIG_PPC) || defined(CONFIG_SPARC)
#include <asm/ide.h>
#else
#include <asm-generic/ide_iops.h>
#endif

/*
 *	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 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_write_devctl(ide_hwif_t *hwif, u8 ctl)
{
	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_write_devctl);

void ide_dev_select(ide_drive_t *drive)
{
	ide_hwif_t *hwif = drive->hwif;
	u8 select = drive->select | ATA_DEVICE_OBS;

	if (hwif->host_flags & IDE_HFLAG_MMIO)
		writeb(select, (void __iomem *)hwif->io_ports.device_addr);
	else
		outb(select, hwif->io_ports.device_addr);
}
EXPORT_SYMBOL_GPL(ide_dev_select);

void ide_tf_load(ide_drive_t *drive, struct ide_cmd *cmd)
{
	ide_hwif_t *hwif = drive->hwif;
	struct ide_io_ports *io_ports = &hwif->io_ports;
	struct ide_taskfile *tf = &cmd->tf;
	void (*tf_outb)(u8 addr, unsigned long port);
	u8 valid = cmd->valid.out.hob;
	u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
	u8 HIHI = (cmd->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF;

	if (mmio)
		tf_outb = ide_mm_outb;
	else
		tf_outb = ide_outb;

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

	if (valid & IDE_VALID_FEATURE)
		tf_outb(tf->hob_feature, io_ports->feature_addr);
	if (valid & IDE_VALID_NSECT)
		tf_outb(tf->hob_nsect, io_ports->nsect_addr);
	if (valid & IDE_VALID_LBAL)
		tf_outb(tf->hob_lbal, io_ports->lbal_addr);
	if (valid & IDE_VALID_LBAM)
		tf_outb(tf->hob_lbam, io_ports->lbam_addr);
	if (valid & IDE_VALID_LBAH)
		tf_outb(tf->hob_lbah, io_ports->lbah_addr);

	valid = cmd->valid.out.tf;

	if (valid & IDE_VALID_FEATURE)
		tf_outb(tf->feature, io_ports->feature_addr);
	if (valid & IDE_VALID_NSECT)
		tf_outb(tf->nsect, io_ports->nsect_addr);
	if (valid & IDE_VALID_LBAL)
		tf_outb(tf->lbal, io_ports->lbal_addr);
	if (valid & IDE_VALID_LBAM)
		tf_outb(tf->lbam, io_ports->lbam_addr);
	if (valid & IDE_VALID_LBAH)
		tf_outb(tf->lbah, io_ports->lbah_addr);

	if (valid & IDE_VALID_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, struct ide_cmd *cmd)
{
	ide_hwif_t *hwif = drive->hwif;
	struct ide_io_ports *io_ports = &hwif->io_ports;
	struct ide_taskfile *tf = &cmd->tf;
	void (*tf_outb)(u8 addr, unsigned long port);
	u8 (*tf_inb)(unsigned long port);
	u8 valid = cmd->valid.in.tf;
	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;
	}

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

	if (valid & IDE_VALID_ERROR)
		tf->error  = tf_inb(io_ports->feature_addr);
	if (valid & IDE_VALID_NSECT)
		tf->nsect  = tf_inb(io_ports->nsect_addr);
	if (valid & IDE_VALID_LBAL)
		tf->lbal   = tf_inb(io_ports->lbal_addr);
	if (valid & IDE_VALID_LBAM)
		tf->lbam   = tf_inb(io_ports->lbam_addr);
	if (valid & IDE_VALID_LBAH)
		tf->lbah   = tf_inb(io_ports->lbah_addr);
	if (valid & IDE_VALID_DEVICE)
		tf->device = tf_inb(io_ports->device_addr);

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

		valid = cmd->valid.in.hob;

		if (valid & IDE_VALID_ERROR)
			tf->hob_error = tf_inb(io_ports->feature_addr);
		if (valid & IDE_VALID_NSECT)
			tf->hob_nsect = tf_inb(io_ports->nsect_addr);
		if (valid & IDE_VALID_LBAL)
			tf->hob_lbal  = tf_inb(io_ports->lbal_addr);
		if (valid & IDE_VALID_LBAM)
			tf->hob_lbam  = tf_inb(io_ports->lbam_addr);
		if (valid & IDE_VALID_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 ide_cmd *cmd, 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;
	unsigned int words = (len + 1) >> 1;
	u8 io_32bit = drive->io_32bit;
	u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;

	if (io_32bit) {
		unsigned long uninitialized_var(flags);

		if ((io_32bit & 2) && !mmio) {
			local_irq_save(flags);
			ata_vlb_sync(io_ports->nsect_addr);
		}

		words >>= 1;
		if (mmio)
			__ide_mm_insl((void __iomem *)data_addr, buf, words);
		else
			insl(data_addr, buf, words);

		if ((io_32bit & 2) && !mmio)
			local_irq_restore(flags);

		if (((len + 1) & 3) < 2)
			return;

		buf += len & ~3;
		words = 1;
	}

	if (mmio)
		__ide_mm_insw((void __iomem *)data_addr, buf, words);
	else
		insw(data_addr, buf, words);
}
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 ide_cmd *cmd, 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;
	unsigned int words = (len + 1) >> 1;
	u8 io_32bit = drive->io_32bit;
	u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;

	if (io_32bit) {
		unsigned long uninitialized_var(flags);

		if ((io_32bit & 2) && !mmio) {
			local_irq_save(flags);
			ata_vlb_sync(io_ports->nsect_addr);
		}

		words >>= 1;
		if (mmio)
			__ide_mm_outsl((void __iomem *)data_addr, buf, words);
		else
			outsl(data_addr, buf, words);

		if ((io_32bit & 2) && !mmio)
			local_irq_restore(flags);

		if (((len + 1) & 3) < 2)
			return;

		buf += len & ~3;
		words = 1;
	}

	if (mmio)
		__ide_mm_outsw((void __iomem *)data_addr, buf, words);
	else
		outsw(data_addr, buf, words);
}
EXPORT_SYMBOL_GPL(ide_output_data);

const struct ide_tp_ops default_tp_ops = {
	.exec_command		= ide_exec_command,
	.read_status		= ide_read_status,
	.read_altstatus		= ide_read_altstatus,
	.write_devctl		= ide_write_devctl,

	.dev_select		= ide_dev_select,
	.tf_load		= ide_tf_load,
	.tf_read		= ide_tf_read,

	.input_data		= ide_input_data,
	.output_data		= ide_output_data,
};
Commit	Line	Data
1574cf6c BZ	1
	2	#include <linux/kernel.h>
	3	#include <linux/ide.h>
	4
15a453a9 BZ	5	#if defined(CONFIG_ARM) \|\| defined(CONFIG_M68K) \|\| defined(CONFIG_MIPS) \|\| \
	6	defined(CONFIG_PARISC) \|\| defined(CONFIG_PPC) \|\| defined(CONFIG_SPARC)
	7	#include <asm/ide.h>
	8	#else
	9	#include <asm-generic/ide_iops.h>
	10	#endif
	11
1574cf6c BZ	12	/*
	13	* Conventional PIO operations for ATA devices
	14	*/
	15
	16	static u8 ide_inb(unsigned long port)
	17	{
	18	return (u8) inb(port);
	19	}
	20
	21	static void ide_outb(u8 val, unsigned long port)
	22	{
	23	outb(val, port);
	24	}
	25
	26	/*
	27	* MMIO operations, typically used for SATA controllers
	28	*/
	29
	30	static u8 ide_mm_inb(unsigned long port)
	31	{
	32	return (u8) readb((void __iomem *) port);
	33	}
	34
	35	static void ide_mm_outb(u8 value, unsigned long port)
	36	{
	37	writeb(value, (void __iomem *) port);
	38	}
	39
	40	void ide_exec_command(ide_hwif_t *hwif, u8 cmd)
	41	{
	42	if (hwif->host_flags & IDE_HFLAG_MMIO)
	43	writeb(cmd, (void __iomem *)hwif->io_ports.command_addr);
	44	else
	45	outb(cmd, hwif->io_ports.command_addr);
	46	}
	47	EXPORT_SYMBOL_GPL(ide_exec_command);
	48
	49	u8 ide_read_status(ide_hwif_t *hwif)
	50	{
	51	if (hwif->host_flags & IDE_HFLAG_MMIO)
	52	return readb((void __iomem *)hwif->io_ports.status_addr);
	53	else
	54	return inb(hwif->io_ports.status_addr);
	55	}
	56	EXPORT_SYMBOL_GPL(ide_read_status);
	57
	58	u8 ide_read_altstatus(ide_hwif_t *hwif)
	59	{
	60	if (hwif->host_flags & IDE_HFLAG_MMIO)
	61	return readb((void __iomem *)hwif->io_ports.ctl_addr);
	62	else
	63	return inb(hwif->io_ports.ctl_addr);
	64	}
	65	EXPORT_SYMBOL_GPL(ide_read_altstatus);
	66
ecf3a31d	67	void ide_write_devctl(ide_hwif_t *hwif, u8 ctl)
1574cf6c	68	{
1574cf6c BZ	69	if (hwif->host_flags & IDE_HFLAG_MMIO)
	70	writeb(ctl, (void __iomem *)hwif->io_ports.ctl_addr);
	71	else
	72	outb(ctl, hwif->io_ports.ctl_addr);
	73	}
ecf3a31d	74	EXPORT_SYMBOL_GPL(ide_write_devctl);
1574cf6c	75
abb596b2 SS	76	void ide_dev_select(ide_drive_t *drive)
	77	{
	78	ide_hwif_t *hwif = drive->hwif;
	79	u8 select = drive->select \| ATA_DEVICE_OBS;
	80
	81	if (hwif->host_flags & IDE_HFLAG_MMIO)
	82	writeb(select, (void __iomem *)hwif->io_ports.device_addr);
	83	else
	84	outb(select, hwif->io_ports.device_addr);
	85	}
	86	EXPORT_SYMBOL_GPL(ide_dev_select);
	87
22aa4b32	88	void ide_tf_load(ide_drive_t drive, struct ide_cmd cmd)
1574cf6c BZ	89	{
	90	ide_hwif_t *hwif = drive->hwif;
	91	struct ide_io_ports *io_ports = &hwif->io_ports;
22aa4b32	92	struct ide_taskfile *tf = &cmd->tf;
1574cf6c	93	void (*tf_outb)(u8 addr, unsigned long port);
60f85019	94	u8 valid = cmd->valid.out.hob;
1574cf6c	95	u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
22aa4b32	96	u8 HIHI = (cmd->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF;
1574cf6c BZ	97
	98	if (mmio)
	99	tf_outb = ide_mm_outb;
	100	else
	101	tf_outb = ide_outb;
	102
22aa4b32	103	if (cmd->ftf_flags & IDE_FTFLAG_FLAGGED)
1574cf6c BZ	104	HIHI = 0xFF;
1574cf6c BZ	105
60f85019	106	if (valid & IDE_VALID_FEATURE)
1574cf6c	107	tf_outb(tf->hob_feature, io_ports->feature_addr);
60f85019	108	if (valid & IDE_VALID_NSECT)
1574cf6c	109	tf_outb(tf->hob_nsect, io_ports->nsect_addr);
60f85019	110	if (valid & IDE_VALID_LBAL)
1574cf6c	111	tf_outb(tf->hob_lbal, io_ports->lbal_addr);
60f85019	112	if (valid & IDE_VALID_LBAM)
1574cf6c	113	tf_outb(tf->hob_lbam, io_ports->lbam_addr);
60f85019	114	if (valid & IDE_VALID_LBAH)
1574cf6c BZ	115	tf_outb(tf->hob_lbah, io_ports->lbah_addr);
1574cf6c BZ	116
60f85019 SS	117	valid = cmd->valid.out.tf;
	118
	119	if (valid & IDE_VALID_FEATURE)
1574cf6c	120	tf_outb(tf->feature, io_ports->feature_addr);
60f85019	121	if (valid & IDE_VALID_NSECT)
1574cf6c	122	tf_outb(tf->nsect, io_ports->nsect_addr);
60f85019	123	if (valid & IDE_VALID_LBAL)
1574cf6c	124	tf_outb(tf->lbal, io_ports->lbal_addr);
60f85019	125	if (valid & IDE_VALID_LBAM)
1574cf6c	126	tf_outb(tf->lbam, io_ports->lbam_addr);
60f85019	127	if (valid & IDE_VALID_LBAH)
1574cf6c BZ	128	tf_outb(tf->lbah, io_ports->lbah_addr);
1574cf6c BZ	129
60f85019	130	if (valid & IDE_VALID_DEVICE)
1574cf6c BZ	131	tf_outb((tf->device & HIHI) \| drive->select,
	132	io_ports->device_addr);
	133	}
	134	EXPORT_SYMBOL_GPL(ide_tf_load);
	135
22aa4b32	136	void ide_tf_read(ide_drive_t drive, struct ide_cmd cmd)
1574cf6c BZ	137	{
	138	ide_hwif_t *hwif = drive->hwif;
	139	struct ide_io_ports *io_ports = &hwif->io_ports;
22aa4b32	140	struct ide_taskfile *tf = &cmd->tf;
1574cf6c BZ	141	void (*tf_outb)(u8 addr, unsigned long port);
1574cf6c BZ	142	u8 (*tf_inb)(unsigned long port);
60f85019	143	u8 valid = cmd->valid.in.tf;
1574cf6c BZ	144	u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
	145
	146	if (mmio) {
	147	tf_outb = ide_mm_outb;
	148	tf_inb = ide_mm_inb;
	149	} else {
	150	tf_outb = ide_outb;
	151	tf_inb = ide_inb;
	152	}
	153
1574cf6c	154	/* be sure we're looking at the low order bits */
4d74c3fc	155	tf_outb(ATA_DEVCTL_OBS, io_ports->ctl_addr);
1574cf6c	156
60f85019	157	if (valid & IDE_VALID_ERROR)
67625119	158	tf->error = tf_inb(io_ports->feature_addr);
60f85019	159	if (valid & IDE_VALID_NSECT)
1574cf6c	160	tf->nsect = tf_inb(io_ports->nsect_addr);
60f85019	161	if (valid & IDE_VALID_LBAL)
1574cf6c	162	tf->lbal = tf_inb(io_ports->lbal_addr);
60f85019	163	if (valid & IDE_VALID_LBAM)
1574cf6c	164	tf->lbam = tf_inb(io_ports->lbam_addr);
60f85019	165	if (valid & IDE_VALID_LBAH)
1574cf6c	166	tf->lbah = tf_inb(io_ports->lbah_addr);
60f85019	167	if (valid & IDE_VALID_DEVICE)
1574cf6c BZ	168	tf->device = tf_inb(io_ports->device_addr);
1574cf6c BZ	169
22aa4b32	170	if (cmd->tf_flags & IDE_TFLAG_LBA48) {
4d74c3fc	171	tf_outb(ATA_HOB \| ATA_DEVCTL_OBS, io_ports->ctl_addr);
1574cf6c	172
60f85019 SS	173	valid = cmd->valid.in.hob;
	174
	175	if (valid & IDE_VALID_ERROR)
67625119	176	tf->hob_error = tf_inb(io_ports->feature_addr);
60f85019	177	if (valid & IDE_VALID_NSECT)
67625119	178	tf->hob_nsect = tf_inb(io_ports->nsect_addr);
60f85019	179	if (valid & IDE_VALID_LBAL)
67625119	180	tf->hob_lbal = tf_inb(io_ports->lbal_addr);
60f85019	181	if (valid & IDE_VALID_LBAM)
67625119	182	tf->hob_lbam = tf_inb(io_ports->lbam_addr);
60f85019	183	if (valid & IDE_VALID_LBAH)
67625119	184	tf->hob_lbah = tf_inb(io_ports->lbah_addr);
1574cf6c BZ	185	}
	186	}
	187	EXPORT_SYMBOL_GPL(ide_tf_read);
	188
	189	/*
	190	* Some localbus EIDE interfaces require a special access sequence
	191	* when using 32-bit I/O instructions to transfer data. We call this
	192	* the "vlb_sync" sequence, which consists of three successive reads
	193	* of the sector count register location, with interrupts disabled
	194	* to ensure that the reads all happen together.
	195	*/
	196	static void ata_vlb_sync(unsigned long port)
	197	{
	198	(void)inb(port);
	199	(void)inb(port);
	200	(void)inb(port);
	201	}
	202
	203	/*
	204	* This is used for most PIO data transfers from the IDE interface
	205	*
	206	* These routines will round up any request for an odd number of bytes,
	207	* so if an odd len is specified, be sure that there's at least one
	208	* extra byte allocated for the buffer.
	209	*/
adb1af98	210	void ide_input_data(ide_drive_t drive, struct ide_cmd cmd, void *buf,
1574cf6c BZ	211	unsigned int len)
	212	{
	213	ide_hwif_t *hwif = drive->hwif;
	214	struct ide_io_ports *io_ports = &hwif->io_ports;
	215	unsigned long data_addr = io_ports->data_addr;
deae17fd	216	unsigned int words = (len + 1) >> 1;
1574cf6c BZ	217	u8 io_32bit = drive->io_32bit;
	218	u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
	219
1574cf6c BZ	220	if (io_32bit) {
	221	unsigned long uninitialized_var(flags);
	222
	223	if ((io_32bit & 2) && !mmio) {
	224	local_irq_save(flags);
	225	ata_vlb_sync(io_ports->nsect_addr);
	226	}
	227
deae17fd	228	words >>= 1;
1574cf6c	229	if (mmio)
deae17fd	230	__ide_mm_insl((void __iomem *)data_addr, buf, words);
1574cf6c	231	else
deae17fd	232	insl(data_addr, buf, words);
1574cf6c BZ	233
	234	if ((io_32bit & 2) && !mmio)
	235	local_irq_restore(flags);
	236
deae17fd SS	237	if (((len + 1) & 3) < 2)
	238	return;
	239
	240	buf += len & ~3;
	241	words = 1;
1574cf6c	242	}
deae17fd SS	243
	244	if (mmio)
	245	__ide_mm_insw((void __iomem *)data_addr, buf, words);
	246	else
	247	insw(data_addr, buf, words);
1574cf6c BZ	248	}
	249	EXPORT_SYMBOL_GPL(ide_input_data);
	250
	251	/*
	252	* This is used for most PIO data transfers to the IDE interface
	253	*/
adb1af98	254	void ide_output_data(ide_drive_t drive, struct ide_cmd cmd, void *buf,
1574cf6c BZ	255	unsigned int len)
	256	{
	257	ide_hwif_t *hwif = drive->hwif;
	258	struct ide_io_ports *io_ports = &hwif->io_ports;
	259	unsigned long data_addr = io_ports->data_addr;
deae17fd	260	unsigned int words = (len + 1) >> 1;
1574cf6c BZ	261	u8 io_32bit = drive->io_32bit;
	262	u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
	263
1574cf6c BZ	264	if (io_32bit) {
	265	unsigned long uninitialized_var(flags);
	266
	267	if ((io_32bit & 2) && !mmio) {
	268	local_irq_save(flags);
	269	ata_vlb_sync(io_ports->nsect_addr);
	270	}
	271
deae17fd	272	words >>= 1;
1574cf6c	273	if (mmio)
deae17fd	274	__ide_mm_outsl((void __iomem *)data_addr, buf, words);
1574cf6c	275	else
deae17fd	276	outsl(data_addr, buf, words);
1574cf6c BZ	277
	278	if ((io_32bit & 2) && !mmio)
	279	local_irq_restore(flags);
	280
deae17fd SS	281	if (((len + 1) & 3) < 2)
	282	return;
	283
	284	buf += len & ~3;
	285	words = 1;
1574cf6c	286	}
deae17fd SS	287
	288	if (mmio)
	289	__ide_mm_outsw((void __iomem *)data_addr, buf, words);
	290	else
	291	outsw(data_addr, buf, words);
1574cf6c BZ	292	}
	293	EXPORT_SYMBOL_GPL(ide_output_data);
	294
	295	const struct ide_tp_ops default_tp_ops = {
	296	.exec_command = ide_exec_command,
	297	.read_status = ide_read_status,
	298	.read_altstatus = ide_read_altstatus,
ecf3a31d	299	.write_devctl = ide_write_devctl,
1574cf6c	300
abb596b2	301	.dev_select = ide_dev_select,
1574cf6c BZ	302	.tf_load = ide_tf_load,
	303	.tf_read = ide_tf_read,
	304
	305	.input_data = ide_input_data,
	306	.output_data = ide_output_data,
	307	};