[linux-2.6-block.git] / drivers / ata / pata_pcmcia.c

/*
 *   pata_pcmcia.c - PCMCIA PATA controller driver.
 *   Copyright 2005-2006 Red Hat Inc, all rights reserved.
 *   PCMCIA ident update Copyright 2006 Marcin Juszkiewicz
 *						<openembedded@hrw.one.pl>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; see the file COPYING.  If not, write to
 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *   Heavily based upon ide-cs.c
 *   The initial developer of the original code is David A. Hinds
 *   <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
 *   are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <scsi/scsi_host.h>
#include <linux/ata.h>
#include <linux/libata.h>

#include <pcmcia/cistpl.h>
#include <pcmcia/ds.h>
#include <pcmcia/cisreg.h>
#include <pcmcia/ciscode.h>


#define DRV_NAME "pata_pcmcia"
#define DRV_VERSION "0.3.5"

/**
 *	pcmcia_set_mode	-	PCMCIA specific mode setup
 *	@link: link
 *	@r_failed_dev: Return pointer for failed device
 *
 *	Perform the tuning and setup of the devices and timings, which
 *	for PCMCIA is the same as any other controller. We wrap it however
 *	as we need to spot hardware with incorrect or missing master/slave
 *	decode, which alas is embarrassingly common in the PC world
 */

static int pcmcia_set_mode(struct ata_link *link, struct ata_device **r_failed_dev)
{
	struct ata_device *master = &link->device[0];
	struct ata_device *slave = &link->device[1];

	if (!ata_dev_enabled(master) || !ata_dev_enabled(slave))
		return ata_do_set_mode(link, r_failed_dev);

	if (memcmp(master->id + ATA_ID_FW_REV,  slave->id + ATA_ID_FW_REV,
			   ATA_ID_FW_REV_LEN + ATA_ID_PROD_LEN) == 0) {
		/* Suspicious match, but could be two cards from
		   the same vendor - check serial */
		if (memcmp(master->id + ATA_ID_SERNO, slave->id + ATA_ID_SERNO,
			   ATA_ID_SERNO_LEN) == 0 && master->id[ATA_ID_SERNO] >> 8) {
			ata_dev_warn(slave, "is a ghost device, ignoring\n");
			ata_dev_disable(slave);
		}
	}
	return ata_do_set_mode(link, r_failed_dev);
}

/**
 *	pcmcia_set_mode_8bit	-	PCMCIA specific mode setup
 *	@link: link
 *	@r_failed_dev: Return pointer for failed device
 *
 *	For the simple emulated 8bit stuff the less we do the better.
 */

static int pcmcia_set_mode_8bit(struct ata_link *link,
				struct ata_device **r_failed_dev)
{
	return 0;
}

/**
 *	ata_data_xfer_8bit	 -	Transfer data by 8bit PIO
 *	@dev: device to target
 *	@buf: data buffer
 *	@buflen: buffer length
 *	@rw: read/write
 *
 *	Transfer data from/to the device data register by 8 bit PIO.
 *
 *	LOCKING:
 *	Inherited from caller.
 */

static unsigned int ata_data_xfer_8bit(struct ata_device *dev,
				unsigned char *buf, unsigned int buflen, int rw)
{
	struct ata_port *ap = dev->link->ap;

	if (rw == READ)
		ioread8_rep(ap->ioaddr.data_addr, buf, buflen);
	else
		iowrite8_rep(ap->ioaddr.data_addr, buf, buflen);

	return buflen;
}

/**
 *	pcmcia_8bit_drain_fifo - Stock FIFO drain logic for SFF controllers
 *	@qc: command
 *
 *	Drain the FIFO and device of any stuck data following a command
 *	failing to complete. In some cases this is necessary before a
 *	reset will recover the device.
 *
 */

static void pcmcia_8bit_drain_fifo(struct ata_queued_cmd *qc)
{
	int count;
	struct ata_port *ap;

	/* We only need to flush incoming data when a command was running */
	if (qc == NULL || qc->dma_dir == DMA_TO_DEVICE)
		return;

	ap = qc->ap;

	/* Drain up to 64K of data before we give up this recovery method */
	for (count = 0; (ap->ops->sff_check_status(ap) & ATA_DRQ)
							&& count++ < 65536;)
		ioread8(ap->ioaddr.data_addr);

	if (count)
		ata_port_warn(ap, "drained %d bytes to clear DRQ\n", count);

}

static struct scsi_host_template pcmcia_sht = {
	ATA_PIO_SHT(DRV_NAME),
};

static struct ata_port_operations pcmcia_port_ops = {
	.inherits	= &ata_sff_port_ops,
	.sff_data_xfer	= ata_sff_data_xfer_noirq,
	.cable_detect	= ata_cable_40wire,
	.set_mode	= pcmcia_set_mode,
};

static struct ata_port_operations pcmcia_8bit_port_ops = {
	.inherits	= &ata_sff_port_ops,
	.sff_data_xfer	= ata_data_xfer_8bit,
	.cable_detect	= ata_cable_40wire,
	.set_mode	= pcmcia_set_mode_8bit,
	.sff_drain_fifo	= pcmcia_8bit_drain_fifo,
};


static int pcmcia_check_one_config(struct pcmcia_device *pdev, void *priv_data)
{
	int *is_kme = priv_data;

	if ((pdev->resource[0]->flags & IO_DATA_PATH_WIDTH)
	    != IO_DATA_PATH_WIDTH_8) {
		pdev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
		pdev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
	}
	pdev->resource[1]->flags &= ~IO_DATA_PATH_WIDTH;
	pdev->resource[1]->flags |= IO_DATA_PATH_WIDTH_8;

	if (pdev->resource[1]->end) {
		pdev->resource[0]->end = 8;
		pdev->resource[1]->end = (*is_kme) ? 2 : 1;
	} else {
		if (pdev->resource[0]->end < 16)
			return -ENODEV;
	}

	return pcmcia_request_io(pdev);
}

/**
 *	pcmcia_init_one		-	attach a PCMCIA interface
 *	@pdev: pcmcia device
 *
 *	Register a PCMCIA IDE interface. Such interfaces are PIO 0 and
 *	shared IRQ.
 */

static int pcmcia_init_one(struct pcmcia_device *pdev)
{
	struct ata_host *host;
	struct ata_port *ap;
	int is_kme = 0, ret = -ENOMEM, p;
	unsigned long io_base, ctl_base;
	void __iomem *io_addr, *ctl_addr;
	int n_ports = 1;
	struct ata_port_operations *ops = &pcmcia_port_ops;

	/* Set up attributes in order to probe card and get resources */
	pdev->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO |
		CONF_AUTO_SET_VPP | CONF_AUTO_CHECK_VCC;

	/* See if we have a manufacturer identifier. Use it to set is_kme for
	   vendor quirks */
	is_kme = ((pdev->manf_id == MANFID_KME) &&
		  ((pdev->card_id == PRODID_KME_KXLC005_A) ||
		   (pdev->card_id == PRODID_KME_KXLC005_B)));

	if (pcmcia_loop_config(pdev, pcmcia_check_one_config, &is_kme)) {
		pdev->config_flags &= ~CONF_AUTO_CHECK_VCC;
		if (pcmcia_loop_config(pdev, pcmcia_check_one_config, &is_kme))
			goto failed; /* No suitable config found */
	}
	io_base = pdev->resource[0]->start;
	if (pdev->resource[1]->end)
		ctl_base = pdev->resource[1]->start;
	else
		ctl_base = pdev->resource[0]->start + 0x0e;

	if (!pdev->irq)
		goto failed;

	ret = pcmcia_enable_device(pdev);
	if (ret)
		goto failed;

	/* iomap */
	ret = -ENOMEM;
	io_addr = devm_ioport_map(&pdev->dev, io_base, 8);
	ctl_addr = devm_ioport_map(&pdev->dev, ctl_base, 1);
	if (!io_addr || !ctl_addr)
		goto failed;

	/* Success. Disable the IRQ nIEN line, do quirks */
	iowrite8(0x02, ctl_addr);
	if (is_kme)
		iowrite8(0x81, ctl_addr + 0x01);

	/* FIXME: Could be more ports at base + 0x10 but we only deal with
	   one right now */
	if (resource_size(pdev->resource[0]) >= 0x20)
		n_ports = 2;

	if (pdev->manf_id == 0x0097 && pdev->card_id == 0x1620)
		ops = &pcmcia_8bit_port_ops;
	/*
	 *	Having done the PCMCIA plumbing the ATA side is relatively
	 *	sane.
	 */
	ret = -ENOMEM;
	host = ata_host_alloc(&pdev->dev, n_ports);
	if (!host)
		goto failed;

	for (p = 0; p < n_ports; p++) {
		ap = host->ports[p];

		ap->ops = ops;
		ap->pio_mask = ATA_PIO0;	/* ISA so PIO 0 cycles */
		ap->flags |= ATA_FLAG_SLAVE_POSS;
		ap->ioaddr.cmd_addr = io_addr + 0x10 * p;
		ap->ioaddr.altstatus_addr = ctl_addr + 0x10 * p;
		ap->ioaddr.ctl_addr = ctl_addr + 0x10 * p;
		ata_sff_std_ports(&ap->ioaddr);

		ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", io_base, ctl_base);
	}

	/* activate */
	ret = ata_host_activate(host, pdev->irq, ata_sff_interrupt,
				IRQF_SHARED, &pcmcia_sht);
	if (ret)
		goto failed;

	pdev->priv = host;
	return 0;

failed:
	pcmcia_disable_device(pdev);
	return ret;
}

/**
 *	pcmcia_remove_one	-	unplug an pcmcia interface
 *	@pdev: pcmcia device
 *
 *	A PCMCIA ATA device has been unplugged. Perform the needed
 *	cleanup. Also called on module unload for any active devices.
 */

static void pcmcia_remove_one(struct pcmcia_device *pdev)
{
	struct ata_host *host = pdev->priv;

	if (host)
		ata_host_detach(host);

	pcmcia_disable_device(pdev);
}

static const struct pcmcia_device_id pcmcia_devices[] = {
	PCMCIA_DEVICE_FUNC_ID(4),
	PCMCIA_DEVICE_MANF_CARD(0x0000, 0x0000),	/* Corsair */
	PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000),	/* Hitachi */
	PCMCIA_DEVICE_MANF_CARD(0x000a, 0x0000),	/* I-O Data CFA */
	PCMCIA_DEVICE_MANF_CARD(0x001c, 0x0001),	/* Mitsubishi CFA */
	PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
	PCMCIA_DEVICE_MANF_CARD(0x0032, 0x2904),
	PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401),	/* SanDisk CFA */
	PCMCIA_DEVICE_MANF_CARD(0x004f, 0x0000),	/* Kingston */
	PCMCIA_DEVICE_MANF_CARD(0x0097, 0x1620), 	/* TI emulated */
	PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000),	/* Toshiba */
	PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d),
	PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000),	/* Samsung */
	PCMCIA_DEVICE_MANF_CARD(0x0319, 0x0000),	/* Hitachi */
	PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001),
	PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0100),	/* Viking CFA */
	PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200),	/* Lexar, Viking CFA */
	PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0),
	PCMCIA_DEVICE_PROD_ID123("CDROM", "IDE", "MCD-601p", 0x1b9179ca, 0xede88951, 0x0d902f74),
	PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9),
	PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591),
	PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728),
	PCMCIA_DEVICE_PROD_ID12("CNF   ", "CD-ROM", 0x46d7db81, 0x66536591),
	PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591),
	PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4),
	PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde),
	PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf),
	PCMCIA_DEVICE_PROD_ID12("EXP   ", "CD-ROM", 0x0a5c52fd, 0x66536591),
	PCMCIA_DEVICE_PROD_ID12("EXP   ", "PnPIDE", 0x0a5c52fd, 0x0c694728),
	PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e),
	PCMCIA_DEVICE_PROD_ID12("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae),
	PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178),
	PCMCIA_DEVICE_PROD_ID12("Hyperstone", "Model1", 0x3d5b9ef5, 0xca6ab420),
	PCMCIA_DEVICE_PROD_ID12("IBM", "microdrive", 0xb569a6e5, 0xa6d76178),
	PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753),
	PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF CARD 1GB", 0x2e6d1829, 0x55d5bffb),
	PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF CARD 4GB", 0x2e6d1829, 0x531e7d10),
	PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF8GB", 0x2e6d1829, 0xacbe682e),
	PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2      ", 0x547e66dc, 0x8671043b),
	PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149),
	PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674),
	PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2      ", 0xe37be2b5, 0x8671043b),
	PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF300", 0x7ed2ad87, 0x7e9e78ee),
	PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF500", 0x7ed2ad87, 0x7a13045c),
	PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79),
	PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591),
	PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728),
	PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1),
	PCMCIA_DEVICE_PROD_ID12("SEAGATE", "ST1", 0x87c1b330, 0xe1f30883),
	PCMCIA_DEVICE_PROD_ID12("SAMSUNG", "04/05/06", 0x43d74cb4, 0x6a22777d),
	PCMCIA_DEVICE_PROD_ID12("SMI VENDOR", "SMI PRODUCT", 0x30896c92, 0x703cc5f6),
	PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003),
	PCMCIA_DEVICE_PROD_ID1("TRANSCEND    512M   ", 0xd0909443),
	PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF45", 0x709b1bf1, 0xf68b6f32),
	PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1),
	PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS2GCF120", 0x709b1bf1, 0x969aa4f2),
	PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8),
	PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF133", 0x709b1bf1, 0x7558f133),
	PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS8GCF133", 0x709b1bf1, 0xb2f89b47),
	PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852),
	PCMCIA_DEVICE_PROD_ID12("WEIDA", "TWTTI", 0xcc7cf69c, 0x212bb918),
	PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209),
	PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e),
	PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6),
	PCMCIA_DEVICE_PROD_ID2("Flash Card", 0x5a362506),
	PCMCIA_DEVICE_NULL,
};

MODULE_DEVICE_TABLE(pcmcia, pcmcia_devices);

static struct pcmcia_driver pcmcia_driver = {
	.owner		= THIS_MODULE,
	.name		= DRV_NAME,
	.id_table	= pcmcia_devices,
	.probe		= pcmcia_init_one,
	.remove		= pcmcia_remove_one,
};
module_pcmcia_driver(pcmcia_driver);

MODULE_AUTHOR("Alan Cox");
MODULE_DESCRIPTION("low-level driver for PCMCIA ATA");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
Commit	Line	Data
669a5db4 JG	1	/*
669a5db4 JG	2	* pata_pcmcia.c - PCMCIA PATA controller driver.
ab771630	3	* Copyright 2005-2006 Red Hat Inc, all rights reserved.
85cd7251	4	* PCMCIA ident update Copyright 2006 Marcin Juszkiewicz
669a5db4 JG	5	* <openembedded@hrw.one.pl>
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2, or (at your option)
	10	* any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; see the file COPYING. If not, write to
	19	* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
	20	*
	21	* Heavily based upon ide-cs.c
	22	* The initial developer of the original code is David A. Hinds
	23	* <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
	24	* are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
	25	*/
	26
	27	#include <linux/kernel.h>
	28	#include <linux/module.h>
669a5db4 JG	29	#include <linux/blkdev.h>
669a5db4 JG	30	#include <linux/delay.h>
5a0e3ad6	31	#include <linux/slab.h>
669a5db4 JG	32	#include <scsi/scsi_host.h>
	33	#include <linux/ata.h>
	34	#include <linux/libata.h>
	35
669a5db4 JG	36	#include <pcmcia/cistpl.h>
	37	#include <pcmcia/ds.h>
	38	#include <pcmcia/cisreg.h>
	39	#include <pcmcia/ciscode.h>
	40
	41
	42	#define DRV_NAME "pata_pcmcia"
3d47aa8e	43	#define DRV_VERSION "0.3.5"
669a5db4	44
4dc5200d A	45	/**
4dc5200d A	46	* pcmcia_set_mode - PCMCIA specific mode setup
0260731f	47	* @link: link
4dc5200d A	48	* @r_failed_dev: Return pointer for failed device
	49	*
	50	* Perform the tuning and setup of the devices and timings, which
	51	* for PCMCIA is the same as any other controller. We wrap it however
	52	* as we need to spot hardware with incorrect or missing master/slave
	53	* decode, which alas is embarrassingly common in the PC world
	54	*/
	55
0260731f	56	static int pcmcia_set_mode(struct ata_link link, struct ata_device *r_failed_dev)
4dc5200d	57	{
0260731f TH	58	struct ata_device *master = &link->device[0];
0260731f TH	59	struct ata_device *slave = &link->device[1];
4dc5200d A	60
4dc5200d A	61	if (!ata_dev_enabled(master) \|\| !ata_dev_enabled(slave))
0260731f	62	return ata_do_set_mode(link, r_failed_dev);
4dc5200d A	63
4dc5200d A	64	if (memcmp(master->id + ATA_ID_FW_REV, slave->id + ATA_ID_FW_REV,
5796d1c4	65	ATA_ID_FW_REV_LEN + ATA_ID_PROD_LEN) == 0) {
4dc5200d A	66	/* Suspicious match, but could be two cards from
	67	the same vendor - check serial */
	68	if (memcmp(master->id + ATA_ID_SERNO, slave->id + ATA_ID_SERNO,
	69	ATA_ID_SERNO_LEN) == 0 && master->id[ATA_ID_SERNO] >> 8) {
a9a79dfe	70	ata_dev_warn(slave, "is a ghost device, ignoring\n");
4dc5200d A	71	ata_dev_disable(slave);
	72	}
	73	}
0260731f	74	return ata_do_set_mode(link, r_failed_dev);
4dc5200d A	75	}
4dc5200d A	76
a5df2eab AC	77	/**
	78	* pcmcia_set_mode_8bit - PCMCIA specific mode setup
	79	* @link: link
	80	* @r_failed_dev: Return pointer for failed device
	81	*
	82	* For the simple emulated 8bit stuff the less we do the better.
	83	*/
	84
	85	static int pcmcia_set_mode_8bit(struct ata_link *link,
	86	struct ata_device **r_failed_dev)
	87	{
	88	return 0;
	89	}
	90
	91	/**
	92	* ata_data_xfer_8bit - Transfer data by 8bit PIO
f885521f	93	* @dev: device to target
a5df2eab AC	94	* @buf: data buffer
a5df2eab AC	95	* @buflen: buffer length
f885521f	96	* @rw: read/write
a5df2eab AC	97	*
	98	* Transfer data from/to the device data register by 8 bit PIO.
	99	*
	100	* LOCKING:
	101	* Inherited from caller.
	102	*/
	103
f885521f TH	104	static unsigned int ata_data_xfer_8bit(struct ata_device *dev,
f885521f TH	105	unsigned char *buf, unsigned int buflen, int rw)
a5df2eab	106	{
f885521f TH	107	struct ata_port *ap = dev->link->ap;
	108
	109	if (rw == READ)
a5df2eab	110	ioread8_rep(ap->ioaddr.data_addr, buf, buflen);
f885521f TH	111	else
	112	iowrite8_rep(ap->ioaddr.data_addr, buf, buflen);
	113
	114	return buflen;
a5df2eab AC	115	}
a5df2eab AC	116
3d47aa8e AC	117	/**
	118	* pcmcia_8bit_drain_fifo - Stock FIFO drain logic for SFF controllers
	119	* @qc: command
	120	*
	121	* Drain the FIFO and device of any stuck data following a command
3ad2f3fb	122	* failing to complete. In some cases this is necessary before a
3d47aa8e AC	123	* reset will recover the device.
	124	*
	125	*/
4fca377f	126
9ffc5da5	127	static void pcmcia_8bit_drain_fifo(struct ata_queued_cmd *qc)
3d47aa8e AC	128	{
	129	int count;
	130	struct ata_port *ap;
	131
	132	/* We only need to flush incoming data when a command was running */
	133	if (qc == NULL \|\| qc->dma_dir == DMA_TO_DEVICE)
	134	return;
	135
	136	ap = qc->ap;
	137
	138	/* Drain up to 64K of data before we give up this recovery method */
	139	for (count = 0; (ap->ops->sff_check_status(ap) & ATA_DRQ)
	140	&& count++ < 65536;)
	141	ioread8(ap->ioaddr.data_addr);
	142
	143	if (count)
a9a79dfe	144	ata_port_warn(ap, "drained %d bytes to clear DRQ\n", count);
3d47aa8e AC	145
3d47aa8e AC	146	}
a5df2eab	147
669a5db4	148	static struct scsi_host_template pcmcia_sht = {
68d1d07b	149	ATA_PIO_SHT(DRV_NAME),
669a5db4 JG	150	};
	151
	152	static struct ata_port_operations pcmcia_port_ops = {
029cfd6b	153	.inherits = &ata_sff_port_ops,
5682ed33	154	.sff_data_xfer = ata_sff_data_xfer_noirq,
029cfd6b TH	155	.cable_detect = ata_cable_40wire,
029cfd6b TH	156	.set_mode = pcmcia_set_mode,
669a5db4 JG	157	};
669a5db4 JG	158
a5df2eab	159	static struct ata_port_operations pcmcia_8bit_port_ops = {
029cfd6b	160	.inherits = &ata_sff_port_ops,
5682ed33	161	.sff_data_xfer = ata_data_xfer_8bit,
029cfd6b TH	162	.cable_detect = ata_cable_40wire,
029cfd6b TH	163	.set_mode = pcmcia_set_mode_8bit,
8244cd05	164	.sff_drain_fifo = pcmcia_8bit_drain_fifo,
a5df2eab AC	165	};
a5df2eab AC	166
0bac660a	167
00990e7c	168	static int pcmcia_check_one_config(struct pcmcia_device pdev, void priv_data)
0bac660a	169	{
00990e7c DB	170	int *is_kme = priv_data;
00990e7c DB	171
b08f5bc4 JL	172	if ((pdev->resource[0]->flags & IO_DATA_PATH_WIDTH)
b08f5bc4 JL	173	!= IO_DATA_PATH_WIDTH_8) {
00990e7c DB	174	pdev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
	175	pdev->resource[0]->flags \|= IO_DATA_PATH_WIDTH_AUTO;
	176	}
	177	pdev->resource[1]->flags &= ~IO_DATA_PATH_WIDTH;
	178	pdev->resource[1]->flags \|= IO_DATA_PATH_WIDTH_8;
	179
	180	if (pdev->resource[1]->end) {
	181	pdev->resource[0]->end = 8;
	182	pdev->resource[1]->end = (*is_kme) ? 2 : 1;
	183	} else {
	184	if (pdev->resource[0]->end < 16)
8e2fc39d	185	return -ENODEV;
0bac660a	186	}
00990e7c DB	187
00990e7c DB	188	return pcmcia_request_io(pdev);
0bac660a DB	189	}
0bac660a DB	190
669a5db4 JG	191	/**
	192	* pcmcia_init_one - attach a PCMCIA interface
	193	* @pdev: pcmcia device
	194	*
	195	* Register a PCMCIA IDE interface. Such interfaces are PIO 0 and
	196	* shared IRQ.
	197	*/
	198
	199	static int pcmcia_init_one(struct pcmcia_device *pdev)
	200	{
5d728824 TH	201	struct ata_host *host;
5d728824 TH	202	struct ata_port *ap;
444486a5	203	int is_kme = 0, ret = -ENOMEM, p;
669a5db4	204	unsigned long io_base, ctl_base;
0d5ff566	205	void __iomem io_addr, ctl_addr;
d7b17450	206	int n_ports = 1;
a5df2eab AC	207	struct ata_port_operations *ops = &pcmcia_port_ops;
a5df2eab AC	208
669a5db4	209	/* Set up attributes in order to probe card and get resources */
00990e7c DB	210	pdev->config_flags \|= CONF_ENABLE_IRQ \| CONF_AUTO_SET_IO \|
00990e7c DB	211	CONF_AUTO_SET_VPP \| CONF_AUTO_CHECK_VCC;
669a5db4	212
669a5db4 JG	213	/* See if we have a manufacturer identifier. Use it to set is_kme for
669a5db4 JG	214	vendor quirks */
efd50585 DB	215	is_kme = ((pdev->manf_id == MANFID_KME) &&
	216	((pdev->card_id == PRODID_KME_KXLC005_A) \|\|
	217	(pdev->card_id == PRODID_KME_KXLC005_B)));
669a5db4	218
00990e7c	219	if (pcmcia_loop_config(pdev, pcmcia_check_one_config, &is_kme)) {
440eed43	220	pdev->config_flags &= ~CONF_AUTO_CHECK_VCC;
00990e7c	221	if (pcmcia_loop_config(pdev, pcmcia_check_one_config, &is_kme))
0bac660a	222	goto failed; /* No suitable config found */
669a5db4	223	}
9a017a91	224	io_base = pdev->resource[0]->start;
00990e7c DB	225	if (pdev->resource[1]->end)
	226	ctl_base = pdev->resource[1]->start;
	227	else
	228	ctl_base = pdev->resource[0]->start + 0x0e;
	229
eb14120f	230	if (!pdev->irq)
444486a5 DB	231	goto failed;
444486a5 DB	232
1ac71e5a	233	ret = pcmcia_enable_device(pdev);
444486a5 DB	234	if (ret)
444486a5 DB	235	goto failed;
669a5db4	236
0d5ff566 TH	237	/* iomap */
	238	ret = -ENOMEM;
	239	io_addr = devm_ioport_map(&pdev->dev, io_base, 8);
	240	ctl_addr = devm_ioport_map(&pdev->dev, ctl_base, 1);
	241	if (!io_addr \|\| !ctl_addr)
	242	goto failed;
	243
669a5db4	244	/* Success. Disable the IRQ nIEN line, do quirks */
0d5ff566	245	iowrite8(0x02, ctl_addr);
669a5db4	246	if (is_kme)
0d5ff566	247	iowrite8(0x81, ctl_addr + 0x01);
669a5db4 JG	248
	249	/* FIXME: Could be more ports at base + 0x10 but we only deal with
	250	one right now */
9a017a91	251	if (resource_size(pdev->resource[0]) >= 0x20)
d7b17450	252	n_ports = 2;
669a5db4	253
a5df2eab AC	254	if (pdev->manf_id == 0x0097 && pdev->card_id == 0x1620)
a5df2eab AC	255	ops = &pcmcia_8bit_port_ops;
669a5db4	256	/*
5796d1c4 JG	257	* Having done the PCMCIA plumbing the ATA side is relatively
5796d1c4 JG	258	* sane.
669a5db4	259	*/
5d728824	260	ret = -ENOMEM;
d7b17450	261	host = ata_host_alloc(&pdev->dev, n_ports);
5d728824 TH	262	if (!host)
5d728824 TH	263	goto failed;
5d728824	264
d7b17450 AC	265	for (p = 0; p < n_ports; p++) {
d7b17450 AC	266	ap = host->ports[p];
5d728824	267
d7b17450	268	ap->ops = ops;
14bdef98	269	ap->pio_mask = ATA_PIO0; /* ISA so PIO 0 cycles */
d7b17450 AC	270	ap->flags \|= ATA_FLAG_SLAVE_POSS;
	271	ap->ioaddr.cmd_addr = io_addr + 0x10 * p;
	272	ap->ioaddr.altstatus_addr = ctl_addr + 0x10 * p;
	273	ap->ioaddr.ctl_addr = ctl_addr + 0x10 * p;
9363c382	274	ata_sff_std_ports(&ap->ioaddr);
d7b17450 AC	275
	276	ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", io_base, ctl_base);
	277	}
cbcdd875	278
5d728824	279	/* activate */
eb14120f	280	ret = ata_host_activate(host, pdev->irq, ata_sff_interrupt,
5d728824 TH	281	IRQF_SHARED, &pcmcia_sht);
5d728824 TH	282	if (ret)
669a5db4 JG	283	goto failed;
669a5db4 JG	284
a371b37c	285	pdev->priv = host;
669a5db4 JG	286	return 0;
669a5db4 JG	287
669a5db4	288	failed:
669a5db4	289	pcmcia_disable_device(pdev);
669a5db4 JG	290	return ret;
	291	}
	292
	293	/**
	294	* pcmcia_remove_one - unplug an pcmcia interface
	295	* @pdev: pcmcia device
	296	*
	297	* A PCMCIA ATA device has been unplugged. Perform the needed
	298	* cleanup. Also called on module unload for any active devices.
	299	*/
	300
	301	static void pcmcia_remove_one(struct pcmcia_device *pdev)
	302	{
a371b37c DB	303	struct ata_host *host = pdev->priv;
	304
	305	if (host)
	306	ata_host_detach(host);
	307
669a5db4	308	pcmcia_disable_device(pdev);
669a5db4 JG	309	}
669a5db4 JG	310
25f8f54f	311	static const struct pcmcia_device_id pcmcia_devices[] = {
669a5db4	312	PCMCIA_DEVICE_FUNC_ID(4),
77ec15cc	313	PCMCIA_DEVICE_MANF_CARD(0x0000, 0x0000), /* Corsair */
669a5db4	314	PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000), /* Hitachi */
ed2a6e4a MD	315	PCMCIA_DEVICE_MANF_CARD(0x000a, 0x0000), /* I-O Data CFA */
ed2a6e4a MD	316	PCMCIA_DEVICE_MANF_CARD(0x001c, 0x0001), /* Mitsubishi CFA */
669a5db4	317	PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
7871e74a	318	PCMCIA_DEVICE_MANF_CARD(0x0032, 0x2904),
ed2a6e4a	319	PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401), /* SanDisk CFA */
795659ef	320	PCMCIA_DEVICE_MANF_CARD(0x004f, 0x0000), /* Kingston */
a5df2eab	321	PCMCIA_DEVICE_MANF_CARD(0x0097, 0x1620), /* TI emulated */
669a5db4 JG	322	PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */
	323	PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d),
	324	PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */
5796d1c4	325	PCMCIA_DEVICE_MANF_CARD(0x0319, 0x0000), /* Hitachi */
669a5db4	326	PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001),
ed2a6e4a MD	327	PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0100), /* Viking CFA */
ed2a6e4a MD	328	PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar, Viking CFA */
669a5db4 JG	329	PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0),
	330	PCMCIA_DEVICE_PROD_ID123("CDROM", "IDE", "MCD-601p", 0x1b9179ca, 0xede88951, 0x0d902f74),
	331	PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9),
	332	PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591),
	333	PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728),
044dcc82	334	PCMCIA_DEVICE_PROD_ID12("CNF ", "CD-ROM", 0x46d7db81, 0x66536591),
669a5db4 JG	335	PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591),
	336	PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4),
	337	PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde),
	338	PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf),
	339	PCMCIA_DEVICE_PROD_ID12("EXP ", "CD-ROM", 0x0a5c52fd, 0x66536591),
	340	PCMCIA_DEVICE_PROD_ID12("EXP ", "PnPIDE", 0x0a5c52fd, 0x0c694728),
	341	PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e),
	342	PCMCIA_DEVICE_PROD_ID12("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae),
	343	PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178),
795659ef	344	PCMCIA_DEVICE_PROD_ID12("Hyperstone", "Model1", 0x3d5b9ef5, 0xca6ab420),
669a5db4 JG	345	PCMCIA_DEVICE_PROD_ID12("IBM", "microdrive", 0xb569a6e5, 0xa6d76178),
669a5db4 JG	346	PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753),
85ea2d3f	347	PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF CARD 1GB", 0x2e6d1829, 0x55d5bffb),
f25798ed	348	PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF CARD 4GB", 0x2e6d1829, 0x531e7d10),
363f7e42	349	PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF8GB", 0x2e6d1829, 0xacbe682e),
669a5db4 JG	350	PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b),
	351	PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149),
	352	PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674),
	353	PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2 ", 0xe37be2b5, 0x8671043b),
74e23386	354	PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF300", 0x7ed2ad87, 0x7e9e78ee),
669a5db4 JG	355	PCMCIA_DEVICE_PROD_ID12("M-Systems", "CF500", 0x7ed2ad87, 0x7a13045c),
	356	PCMCIA_DEVICE_PROD_ID2("NinjaATA-", 0xebe0bd79),
	357	PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591),
	358	PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728),
	359	PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1),
	360	PCMCIA_DEVICE_PROD_ID12("SEAGATE", "ST1", 0x87c1b330, 0xe1f30883),
	361	PCMCIA_DEVICE_PROD_ID12("SAMSUNG", "04/05/06", 0x43d74cb4, 0x6a22777d),
	362	PCMCIA_DEVICE_PROD_ID12("SMI VENDOR", "SMI PRODUCT", 0x30896c92, 0x703cc5f6),
	363	PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003),
a0a00cbf	364	PCMCIA_DEVICE_PROD_ID1("TRANSCEND 512M ", 0xd0909443),
a17bf220	365	PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF45", 0x709b1bf1, 0xf68b6f32),
bf4e1829	366	PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1),
48aaae7a	367	PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS2GCF120", 0x709b1bf1, 0x969aa4f2),
a0a00cbf	368	PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8),
85ea2d3f	369	PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF133", 0x709b1bf1, 0x7558f133),
f25798ed	370	PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS8GCF133", 0x709b1bf1, 0xb2f89b47),
669a5db4	371	PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852),
0517793f	372	PCMCIA_DEVICE_PROD_ID12("WEIDA", "TWTTI", 0xcc7cf69c, 0x212bb918),
669a5db4 JG	373	PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209),
	374	PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e),
	375	PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6),
a12d6c9a	376	PCMCIA_DEVICE_PROD_ID2("Flash Card", 0x5a362506),
669a5db4 JG	377	PCMCIA_DEVICE_NULL,
	378	};
	379
	380	MODULE_DEVICE_TABLE(pcmcia, pcmcia_devices);
	381
	382	static struct pcmcia_driver pcmcia_driver = {
	383	.owner = THIS_MODULE,
2e9b981a	384	.name = DRV_NAME,
669a5db4 JG	385	.id_table = pcmcia_devices,
	386	.probe = pcmcia_init_one,
	387	.remove = pcmcia_remove_one,
	388	};
46060485	389	module_pcmcia_driver(pcmcia_driver);
669a5db4 JG	390
	391	MODULE_AUTHOR("Alan Cox");
	392	MODULE_DESCRIPTION("low-level driver for PCMCIA ATA");
	393	MODULE_LICENSE("GPL");
	394	MODULE_VERSION(DRV_VERSION);