![Tejun Heo](/assets/img/avatar_default.png)
Add sff_ prefix to SFF specific port ops. This rename is in preparation of separating SFF support out of libata core layer. This patch strictly renames ops and doesn't introduce any behavior difference. Signed-off-by: Tejun Heo <htejun@gmail.com>
467 lines
15 KiB
C
467 lines
15 KiB
C
/*
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* pata_pcmcia.c - PCMCIA PATA controller driver.
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* Copyright 2005-2006 Red Hat Inc <alan@redhat.com>, all rights reserved.
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* PCMCIA ident update Copyright 2006 Marcin Juszkiewicz
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* <openembedded@hrw.one.pl>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* Heavily based upon ide-cs.c
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* The initial developer of the original code is David A. Hinds
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* <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
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* are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/blkdev.h>
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#include <linux/delay.h>
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#include <scsi/scsi_host.h>
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#include <linux/ata.h>
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#include <linux/libata.h>
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#include <pcmcia/cs_types.h>
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#include <pcmcia/cs.h>
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#include <pcmcia/cistpl.h>
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#include <pcmcia/ds.h>
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#include <pcmcia/cisreg.h>
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#include <pcmcia/ciscode.h>
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#define DRV_NAME "pata_pcmcia"
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#define DRV_VERSION "0.3.3"
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/*
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* Private data structure to glue stuff together
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*/
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struct ata_pcmcia_info {
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struct pcmcia_device *pdev;
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int ndev;
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dev_node_t node;
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};
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/**
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* pcmcia_set_mode - PCMCIA specific mode setup
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* @link: link
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* @r_failed_dev: Return pointer for failed device
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*
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* Perform the tuning and setup of the devices and timings, which
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* for PCMCIA is the same as any other controller. We wrap it however
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* as we need to spot hardware with incorrect or missing master/slave
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* decode, which alas is embarrassingly common in the PC world
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*/
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static int pcmcia_set_mode(struct ata_link *link, struct ata_device **r_failed_dev)
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{
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struct ata_device *master = &link->device[0];
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struct ata_device *slave = &link->device[1];
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if (!ata_dev_enabled(master) || !ata_dev_enabled(slave))
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return ata_do_set_mode(link, r_failed_dev);
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if (memcmp(master->id + ATA_ID_FW_REV, slave->id + ATA_ID_FW_REV,
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ATA_ID_FW_REV_LEN + ATA_ID_PROD_LEN) == 0) {
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/* Suspicious match, but could be two cards from
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the same vendor - check serial */
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if (memcmp(master->id + ATA_ID_SERNO, slave->id + ATA_ID_SERNO,
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ATA_ID_SERNO_LEN) == 0 && master->id[ATA_ID_SERNO] >> 8) {
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ata_dev_printk(slave, KERN_WARNING, "is a ghost device, ignoring.\n");
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ata_dev_disable(slave);
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}
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}
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return ata_do_set_mode(link, r_failed_dev);
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}
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/**
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* pcmcia_set_mode_8bit - PCMCIA specific mode setup
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* @link: link
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* @r_failed_dev: Return pointer for failed device
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*
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* For the simple emulated 8bit stuff the less we do the better.
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*/
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static int pcmcia_set_mode_8bit(struct ata_link *link,
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struct ata_device **r_failed_dev)
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{
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return 0;
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}
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/**
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* ata_data_xfer_8bit - Transfer data by 8bit PIO
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* @dev: device to target
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* @buf: data buffer
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* @buflen: buffer length
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* @rw: read/write
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*
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* Transfer data from/to the device data register by 8 bit PIO.
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*
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* LOCKING:
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* Inherited from caller.
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*/
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static unsigned int ata_data_xfer_8bit(struct ata_device *dev,
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unsigned char *buf, unsigned int buflen, int rw)
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{
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struct ata_port *ap = dev->link->ap;
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if (rw == READ)
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ioread8_rep(ap->ioaddr.data_addr, buf, buflen);
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else
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iowrite8_rep(ap->ioaddr.data_addr, buf, buflen);
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return buflen;
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}
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static struct scsi_host_template pcmcia_sht = {
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ATA_PIO_SHT(DRV_NAME),
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};
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static struct ata_port_operations pcmcia_port_ops = {
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.inherits = &ata_sff_port_ops,
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.sff_data_xfer = ata_sff_data_xfer_noirq,
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.cable_detect = ata_cable_40wire,
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.set_mode = pcmcia_set_mode,
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};
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static struct ata_port_operations pcmcia_8bit_port_ops = {
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.inherits = &ata_sff_port_ops,
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.sff_data_xfer = ata_data_xfer_8bit,
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.cable_detect = ata_cable_40wire,
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.set_mode = pcmcia_set_mode_8bit,
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};
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#define CS_CHECK(fn, ret) \
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do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
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/**
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* pcmcia_init_one - attach a PCMCIA interface
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* @pdev: pcmcia device
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*
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* Register a PCMCIA IDE interface. Such interfaces are PIO 0 and
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* shared IRQ.
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*/
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static int pcmcia_init_one(struct pcmcia_device *pdev)
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{
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struct ata_host *host;
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struct ata_port *ap;
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struct ata_pcmcia_info *info;
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tuple_t tuple;
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struct {
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unsigned short buf[128];
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cisparse_t parse;
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config_info_t conf;
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cistpl_cftable_entry_t dflt;
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} *stk = NULL;
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cistpl_cftable_entry_t *cfg;
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int pass, last_ret = 0, last_fn = 0, is_kme = 0, ret = -ENOMEM, p;
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unsigned long io_base, ctl_base;
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void __iomem *io_addr, *ctl_addr;
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int n_ports = 1;
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struct ata_port_operations *ops = &pcmcia_port_ops;
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info = kzalloc(sizeof(*info), GFP_KERNEL);
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if (info == NULL)
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return -ENOMEM;
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/* Glue stuff together. FIXME: We may be able to get rid of info with care */
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info->pdev = pdev;
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pdev->priv = info;
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/* Set up attributes in order to probe card and get resources */
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pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
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pdev->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
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pdev->io.IOAddrLines = 3;
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pdev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
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pdev->irq.IRQInfo1 = IRQ_LEVEL_ID;
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pdev->conf.Attributes = CONF_ENABLE_IRQ;
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pdev->conf.IntType = INT_MEMORY_AND_IO;
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/* Allocate resoure probing structures */
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stk = kzalloc(sizeof(*stk), GFP_KERNEL);
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if (!stk)
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goto out1;
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cfg = &stk->parse.cftable_entry;
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/* Tuples we are walking */
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tuple.TupleData = (cisdata_t *)&stk->buf;
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tuple.TupleOffset = 0;
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tuple.TupleDataMax = 255;
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tuple.Attributes = 0;
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/* See if we have a manufacturer identifier. Use it to set is_kme for
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vendor quirks */
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is_kme = ((pdev->manf_id == MANFID_KME) &&
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((pdev->card_id == PRODID_KME_KXLC005_A) ||
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(pdev->card_id == PRODID_KME_KXLC005_B)));
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/* Not sure if this is right... look up the current Vcc */
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CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(pdev, &stk->conf));
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/* link->conf.Vcc = stk->conf.Vcc; */
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pass = io_base = ctl_base = 0;
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tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
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tuple.Attributes = 0;
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CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple));
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/* Now munch the resources looking for a suitable set */
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while (1) {
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if (pcmcia_get_tuple_data(pdev, &tuple) != 0)
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goto next_entry;
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if (pcmcia_parse_tuple(pdev, &tuple, &stk->parse) != 0)
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goto next_entry;
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/* Check for matching Vcc, unless we're desperate */
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if (!pass) {
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if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
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if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
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goto next_entry;
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} else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
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if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000)
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goto next_entry;
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}
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}
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if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
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pdev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
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else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
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pdev->conf.Vpp = stk->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
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if ((cfg->io.nwin > 0) || (stk->dflt.io.nwin > 0)) {
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cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &stk->dflt.io;
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pdev->conf.ConfigIndex = cfg->index;
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pdev->io.BasePort1 = io->win[0].base;
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pdev->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
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if (!(io->flags & CISTPL_IO_16BIT))
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pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
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if (io->nwin == 2) {
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pdev->io.NumPorts1 = 8;
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pdev->io.BasePort2 = io->win[1].base;
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pdev->io.NumPorts2 = (is_kme) ? 2 : 1;
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if (pcmcia_request_io(pdev, &pdev->io) != 0)
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goto next_entry;
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io_base = pdev->io.BasePort1;
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ctl_base = pdev->io.BasePort2;
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} else if ((io->nwin == 1) && (io->win[0].len >= 16)) {
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pdev->io.NumPorts1 = io->win[0].len;
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pdev->io.NumPorts2 = 0;
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if (pcmcia_request_io(pdev, &pdev->io) != 0)
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goto next_entry;
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io_base = pdev->io.BasePort1;
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ctl_base = pdev->io.BasePort1 + 0x0e;
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} else
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goto next_entry;
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/* If we've got this far, we're done */
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break;
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}
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next_entry:
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if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
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memcpy(&stk->dflt, cfg, sizeof(stk->dflt));
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if (pass) {
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CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(pdev, &tuple));
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} else if (pcmcia_get_next_tuple(pdev, &tuple) != 0) {
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CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple));
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memset(&stk->dflt, 0, sizeof(stk->dflt));
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pass++;
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}
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}
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CS_CHECK(RequestIRQ, pcmcia_request_irq(pdev, &pdev->irq));
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CS_CHECK(RequestConfiguration, pcmcia_request_configuration(pdev, &pdev->conf));
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/* iomap */
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ret = -ENOMEM;
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io_addr = devm_ioport_map(&pdev->dev, io_base, 8);
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ctl_addr = devm_ioport_map(&pdev->dev, ctl_base, 1);
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if (!io_addr || !ctl_addr)
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goto failed;
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/* Success. Disable the IRQ nIEN line, do quirks */
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iowrite8(0x02, ctl_addr);
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if (is_kme)
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iowrite8(0x81, ctl_addr + 0x01);
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/* FIXME: Could be more ports at base + 0x10 but we only deal with
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one right now */
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if (pdev->io.NumPorts1 >= 0x20)
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n_ports = 2;
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if (pdev->manf_id == 0x0097 && pdev->card_id == 0x1620)
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ops = &pcmcia_8bit_port_ops;
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/*
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* Having done the PCMCIA plumbing the ATA side is relatively
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* sane.
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*/
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ret = -ENOMEM;
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host = ata_host_alloc(&pdev->dev, n_ports);
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if (!host)
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goto failed;
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for (p = 0; p < n_ports; p++) {
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ap = host->ports[p];
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ap->ops = ops;
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ap->pio_mask = 1; /* ISA so PIO 0 cycles */
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ap->flags |= ATA_FLAG_SLAVE_POSS;
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ap->ioaddr.cmd_addr = io_addr + 0x10 * p;
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ap->ioaddr.altstatus_addr = ctl_addr + 0x10 * p;
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ap->ioaddr.ctl_addr = ctl_addr + 0x10 * p;
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ata_sff_std_ports(&ap->ioaddr);
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ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", io_base, ctl_base);
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}
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/* activate */
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ret = ata_host_activate(host, pdev->irq.AssignedIRQ, ata_sff_interrupt,
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IRQF_SHARED, &pcmcia_sht);
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if (ret)
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goto failed;
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info->ndev = 1;
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kfree(stk);
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return 0;
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cs_failed:
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cs_error(pdev, last_fn, last_ret);
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failed:
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kfree(stk);
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info->ndev = 0;
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pcmcia_disable_device(pdev);
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out1:
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kfree(info);
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return ret;
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}
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/**
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* pcmcia_remove_one - unplug an pcmcia interface
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* @pdev: pcmcia device
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*
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* A PCMCIA ATA device has been unplugged. Perform the needed
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* cleanup. Also called on module unload for any active devices.
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*/
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static void pcmcia_remove_one(struct pcmcia_device *pdev)
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{
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struct ata_pcmcia_info *info = pdev->priv;
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struct device *dev = &pdev->dev;
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if (info != NULL) {
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/* If we have attached the device to the ATA layer, detach it */
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if (info->ndev) {
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struct ata_host *host = dev_get_drvdata(dev);
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ata_host_detach(host);
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}
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info->ndev = 0;
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pdev->priv = NULL;
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}
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pcmcia_disable_device(pdev);
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kfree(info);
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}
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static struct pcmcia_device_id pcmcia_devices[] = {
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PCMCIA_DEVICE_FUNC_ID(4),
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PCMCIA_DEVICE_MANF_CARD(0x0000, 0x0000), /* Corsair */
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PCMCIA_DEVICE_MANF_CARD(0x0007, 0x0000), /* Hitachi */
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PCMCIA_DEVICE_MANF_CARD(0x000a, 0x0000), /* I-O Data CFA */
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PCMCIA_DEVICE_MANF_CARD(0x001c, 0x0001), /* Mitsubishi CFA */
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PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
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PCMCIA_DEVICE_MANF_CARD(0x0032, 0x2904),
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PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401), /* SanDisk CFA */
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PCMCIA_DEVICE_MANF_CARD(0x0097, 0x1620), /* TI emulated */
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PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */
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PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d),
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PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */
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PCMCIA_DEVICE_MANF_CARD(0x0319, 0x0000), /* Hitachi */
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PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001),
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PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0100), /* Viking CFA */
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PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar, Viking CFA */
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PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0),
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PCMCIA_DEVICE_PROD_ID123("CDROM", "IDE", "MCD-601p", 0x1b9179ca, 0xede88951, 0x0d902f74),
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PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9),
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PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591),
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PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728),
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PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591),
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PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4),
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PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde),
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PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf),
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PCMCIA_DEVICE_PROD_ID12("EXP ", "CD-ROM", 0x0a5c52fd, 0x66536591),
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PCMCIA_DEVICE_PROD_ID12("EXP ", "PnPIDE", 0x0a5c52fd, 0x0c694728),
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PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e),
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PCMCIA_DEVICE_PROD_ID12("Hyperstone", "Model1", 0x3d5b9ef5, 0xca6ab420),
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PCMCIA_DEVICE_PROD_ID12("HITACHI", "FLASH", 0xf4f43949, 0x9eb86aae),
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PCMCIA_DEVICE_PROD_ID12("HITACHI", "microdrive", 0xf4f43949, 0xa6d76178),
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PCMCIA_DEVICE_PROD_ID12("IBM", "microdrive", 0xb569a6e5, 0xa6d76178),
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PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753),
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PCMCIA_DEVICE_PROD_ID12("KINGSTON", "CF8GB", 0x2e6d1829, 0xacbe682e),
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PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b),
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|
PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149),
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|
PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674),
|
|
PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2 ", 0xe37be2b5, 0x8671043b),
|
|
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", "TS1GCF80", 0x709b1bf1, 0x2a54d4b1),
|
|
PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS2GCF120", 0x709b1bf1, 0x969aa4f2),
|
|
PCMCIA_DEVICE_PROD_ID12("TRANSCEND", "TS4GCF120", 0x709b1bf1, 0xf54a91c8),
|
|
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_NULL,
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(pcmcia, pcmcia_devices);
|
|
|
|
static struct pcmcia_driver pcmcia_driver = {
|
|
.owner = THIS_MODULE,
|
|
.drv = {
|
|
.name = DRV_NAME,
|
|
},
|
|
.id_table = pcmcia_devices,
|
|
.probe = pcmcia_init_one,
|
|
.remove = pcmcia_remove_one,
|
|
};
|
|
|
|
static int __init pcmcia_init(void)
|
|
{
|
|
return pcmcia_register_driver(&pcmcia_driver);
|
|
}
|
|
|
|
static void __exit pcmcia_exit(void)
|
|
{
|
|
pcmcia_unregister_driver(&pcmcia_driver);
|
|
}
|
|
|
|
MODULE_AUTHOR("Alan Cox");
|
|
MODULE_DESCRIPTION("low-level driver for PCMCIA ATA");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_VERSION(DRV_VERSION);
|
|
|
|
module_init(pcmcia_init);
|
|
module_exit(pcmcia_exit);
|