[linux.git] / drivers / ide / legacy / ide-cs.c

/*======================================================================

    A driver for PCMCIA IDE/ATA disk cards

    ide-cs.c 1.3 2002/10/26 05:45:31

    The contents of this file are subject to the Mozilla Public
    License Version 1.1 (the "License"); you may not use this file
    except in compliance with the License. You may obtain a copy of
    the License at http://www.mozilla.org/MPL/

    Software distributed under the License is distributed on an "AS
    IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
    implied. See the License for the specific language governing
    rights and limitations under the License.

    The initial developer of the original code is David A. Hinds
    <[email protected]>.  Portions created by David A. Hinds
    are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.

    Alternatively, the contents of this file may be used under the
    terms of the GNU General Public License version 2 (the "GPL"), in
    which case the provisions of the GPL are applicable instead of the
    above.  If you wish to allow the use of your version of this file
    only under the terms of the GPL and not to allow others to use
    your version of this file under the MPL, indicate your decision
    by deleting the provisions above and replace them with the notice
    and other provisions required by the GPL.  If you do not delete
    the provisions above, a recipient may use your version of this
    file under either the MPL or the GPL.
    
======================================================================*/

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/ptrace.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/timer.h>
#include <linux/ioport.h>
#include <linux/ide.h>
#include <linux/hdreg.h>
#include <linux/major.h>
#include <asm/io.h>
#include <asm/system.h>

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

/*====================================================================*/

/* Module parameters */

MODULE_AUTHOR("David Hinds <[email protected]>");
MODULE_DESCRIPTION("PCMCIA ATA/IDE card driver");
MODULE_LICENSE("Dual MPL/GPL");

#define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0)

#ifdef PCMCIA_DEBUG
INT_MODULE_PARM(pc_debug, PCMCIA_DEBUG);
#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
static char *version =
"ide-cs.c 1.3 2002/10/26 05:45:31 (David Hinds)";
#else
#define DEBUG(n, args...)
#endif

/*====================================================================*/

static const char ide_major[] = {
    IDE0_MAJOR, IDE1_MAJOR, IDE2_MAJOR, IDE3_MAJOR,
    IDE4_MAJOR, IDE5_MAJOR
};

typedef struct ide_info_t {
    dev_link_t	link;
    int		ndev;
    dev_node_t	node;
    int		hd;
} ide_info_t;

static void ide_release(dev_link_t *);
static int ide_event(event_t event, int priority,
		     event_callback_args_t *args);

static dev_info_t dev_info = "ide-cs";

static dev_link_t *ide_attach(void);
static void ide_detach(dev_link_t *);

static dev_link_t *dev_list = NULL;

/*======================================================================

    ide_attach() creates an "instance" of the driver, allocating
    local data structures for one device.  The device is registered
    with Card Services.

======================================================================*/

static dev_link_t *ide_attach(void)
{
    ide_info_t *info;
    dev_link_t *link;
    client_reg_t client_reg;
    int ret;
    
    DEBUG(0, "ide_attach()\n");

    /* Create new ide device */
    info = kmalloc(sizeof(*info), GFP_KERNEL);
    if (!info) return NULL;
    memset(info, 0, sizeof(*info));
    link = &info->link; link->priv = info;

    link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
    link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
    link->io.IOAddrLines = 3;
    link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
    link->irq.IRQInfo1 = IRQ_LEVEL_ID;
    link->conf.Attributes = CONF_ENABLE_IRQ;
    link->conf.Vcc = 50;
    link->conf.IntType = INT_MEMORY_AND_IO;
    
    /* Register with Card Services */
    link->next = dev_list;
    dev_list = link;
    client_reg.dev_info = &dev_info;
    client_reg.Version = 0x0210;
    client_reg.event_callback_args.client_data = link;
    ret = pcmcia_register_client(&link->handle, &client_reg);
    if (ret != CS_SUCCESS) {
	cs_error(link->handle, RegisterClient, ret);
	ide_detach(link);
	return NULL;
    }
    
    return link;
} /* ide_attach */

/*======================================================================

    This deletes a driver "instance".  The device is de-registered
    with Card Services.  If it has been released, all local data
    structures are freed.  Otherwise, the structures will be freed
    when the device is released.

======================================================================*/

static void ide_detach(dev_link_t *link)
{
    dev_link_t **linkp;
    int ret;

    DEBUG(0, "ide_detach(0x%p)\n", link);
    
    /* Locate device structure */
    for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
	if (*linkp == link) break;
    if (*linkp == NULL)
	return;

    if (link->state & DEV_CONFIG)
	ide_release(link);
    
    if (link->handle) {
	ret = pcmcia_deregister_client(link->handle);
	if (ret != CS_SUCCESS)
	    cs_error(link->handle, DeregisterClient, ret);
    }
    
    /* Unlink, free device structure */
    *linkp = link->next;
    kfree(link->priv);
    
} /* ide_detach */

static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq)
{
    hw_regs_t hw;
    memset(&hw, 0, sizeof(hw));
    ide_init_hwif_ports(&hw, io, ctl, NULL);
    hw.irq = irq;
    hw.chipset = ide_pci;
    return ide_register_hw_with_fixup(&hw, NULL, ide_undecoded_slave);
}

/*======================================================================

    ide_config() is scheduled to run after a CARD_INSERTION event
    is received, to configure the PCMCIA socket, and to make the
    ide device available to the system.

======================================================================*/

#define CS_CHECK(fn, ret) \
do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)

static void ide_config(dev_link_t *link)
{
    client_handle_t handle = link->handle;
    ide_info_t *info = link->priv;
    tuple_t tuple;
    struct {
	u_short		buf[128];
	cisparse_t	parse;
	config_info_t	conf;
	cistpl_cftable_entry_t dflt;
    } *stk = NULL;
    cistpl_cftable_entry_t *cfg;
    int i, pass, last_ret = 0, last_fn = 0, hd, is_kme = 0;
    unsigned long io_base, ctl_base;

    DEBUG(0, "ide_config(0x%p)\n", link);

    stk = kmalloc(sizeof(*stk), GFP_KERNEL);
    if (!stk) goto err_mem;
    memset(stk, 0, sizeof(*stk));
    cfg = &stk->parse.cftable_entry;

    tuple.TupleData = (cisdata_t *)&stk->buf;
    tuple.TupleOffset = 0;
    tuple.TupleDataMax = 255;
    tuple.Attributes = 0;
    tuple.DesiredTuple = CISTPL_CONFIG;
    CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
    CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
    CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &stk->parse));
    link->conf.ConfigBase = stk->parse.config.base;
    link->conf.Present = stk->parse.config.rmask[0];

    tuple.DesiredTuple = CISTPL_MANFID;
    if (!pcmcia_get_first_tuple(handle, &tuple) &&
	!pcmcia_get_tuple_data(handle, &tuple) &&
	!pcmcia_parse_tuple(handle, &tuple, &stk->parse))
	is_kme = ((stk->parse.manfid.manf == MANFID_KME) &&
		  ((stk->parse.manfid.card == PRODID_KME_KXLC005_A) ||
		   (stk->parse.manfid.card == PRODID_KME_KXLC005_B)));

    /* Configure card */
    link->state |= DEV_CONFIG;

    /* Not sure if this is right... look up the current Vcc */
    CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &stk->conf));
    link->conf.Vcc = stk->conf.Vcc;

    pass = io_base = ctl_base = 0;
    tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
    tuple.Attributes = 0;
    CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
    while (1) {
    	if (pcmcia_get_tuple_data(handle, &tuple) != 0) goto next_entry;
	if (pcmcia_parse_tuple(handle, &tuple, &stk->parse) != 0) goto next_entry;

	/* Check for matching Vcc, unless we're desperate */
	if (!pass) {
	    if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
		if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
		    goto next_entry;
	    } else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
		if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000)
		    goto next_entry;
	    }
	}

	if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
	    link->conf.Vpp1 = link->conf.Vpp2 =
		cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
	else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
	    link->conf.Vpp1 = link->conf.Vpp2 =
		stk->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;

	if ((cfg->io.nwin > 0) || (stk->dflt.io.nwin > 0)) {
	    cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &stk->dflt.io;
	    link->conf.ConfigIndex = cfg->index;
	    link->io.BasePort1 = io->win[0].base;
	    link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
	    if (!(io->flags & CISTPL_IO_16BIT))
		link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
	    if (io->nwin == 2) {
		link->io.NumPorts1 = 8;
		link->io.BasePort2 = io->win[1].base;
		link->io.NumPorts2 = (is_kme) ? 2 : 1;
		if (pcmcia_request_io(link->handle, &link->io) != 0)
			goto next_entry;
		io_base = link->io.BasePort1;
		ctl_base = link->io.BasePort2;
	    } else if ((io->nwin == 1) && (io->win[0].len >= 16)) {
		link->io.NumPorts1 = io->win[0].len;
		link->io.NumPorts2 = 0;
		if (pcmcia_request_io(link->handle, &link->io) != 0)
			goto next_entry;
		io_base = link->io.BasePort1;
		ctl_base = link->io.BasePort1 + 0x0e;
	    } else goto next_entry;
	    /* If we've got this far, we're done */
	    break;
	}

    next_entry:
	if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
	    memcpy(&stk->dflt, cfg, sizeof(stk->dflt));
	if (pass) {
	    CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple));
	} else if (pcmcia_get_next_tuple(handle, &tuple) != 0) {
	    CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
	    memset(&stk->dflt, 0, sizeof(stk->dflt));
	    pass++;
	}
    }

    CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq));
    CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));

    /* disable drive interrupts during IDE probe */
    outb(0x02, ctl_base);

    /* special setup for KXLC005 card */
    if (is_kme)
	outb(0x81, ctl_base+1);

    /* retry registration in case device is still spinning up */
    for (hd = -1, i = 0; i < 10; i++) {
	hd = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ);
	if (hd >= 0) break;
	if (link->io.NumPorts1 == 0x20) {
	    outb(0x02, ctl_base + 0x10);
	    hd = idecs_register(io_base + 0x10, ctl_base + 0x10,
				link->irq.AssignedIRQ);
	    if (hd >= 0) {
		io_base += 0x10;
		ctl_base += 0x10;
		break;
	    }
	}
	__set_current_state(TASK_UNINTERRUPTIBLE);
	schedule_timeout(HZ/10);
    }

    if (hd < 0) {
	printk(KERN_NOTICE "ide-cs: ide_register() at 0x%3lx & 0x%3lx"
	       ", irq %u failed\n", io_base, ctl_base,
	       link->irq.AssignedIRQ);
	goto failed;
    }

    info->ndev = 1;
    sprintf(info->node.dev_name, "hd%c", 'a' + (hd * 2));
    info->node.major = ide_major[hd];
    info->node.minor = 0;
    info->hd = hd;
    link->dev = &info->node;
    printk(KERN_INFO "ide-cs: %s: Vcc = %d.%d, Vpp = %d.%d\n",
	   info->node.dev_name, link->conf.Vcc / 10, link->conf.Vcc % 10,
	   link->conf.Vpp1 / 10, link->conf.Vpp1 % 10);

    link->state &= ~DEV_CONFIG_PENDING;
    kfree(stk);
    return;

err_mem:
    printk(KERN_NOTICE "ide-cs: ide_config failed memory allocation\n");
    goto failed;

cs_failed:
    cs_error(link->handle, last_fn, last_ret);
failed:
    kfree(stk);
    ide_release(link);
    link->state &= ~DEV_CONFIG_PENDING;
} /* ide_config */

/*======================================================================

    After a card is removed, ide_release() will unregister the net
    device, and release the PCMCIA configuration.  If the device is
    still open, this will be postponed until it is closed.
    
======================================================================*/

void ide_release(dev_link_t *link)
{
    ide_info_t *info = link->priv;
    
    DEBUG(0, "ide_release(0x%p)\n", link);

    if (info->ndev) {
	/* FIXME: if this fails we need to queue the cleanup somehow
	   -- need to investigate the required PCMCIA magic */
	ide_unregister(info->hd);
    }
    info->ndev = 0;
    link->dev = NULL;
    
    pcmcia_release_configuration(link->handle);
    pcmcia_release_io(link->handle, &link->io);
    pcmcia_release_irq(link->handle, &link->irq);
    
    link->state &= ~DEV_CONFIG;

} /* ide_release */

/*======================================================================

    The card status event handler.  Mostly, this schedules other
    stuff to run after an event is received.  A CARD_REMOVAL event
    also sets some flags to discourage the ide drivers from
    talking to the ports.
    
======================================================================*/

int ide_event(event_t event, int priority,
	      event_callback_args_t *args)
{
    dev_link_t *link = args->client_data;

    DEBUG(1, "ide_event(0x%06x)\n", event);
    
    switch (event) {
    case CS_EVENT_CARD_REMOVAL:
	link->state &= ~DEV_PRESENT;
	if (link->state & DEV_CONFIG)
		ide_release(link);
	break;
    case CS_EVENT_CARD_INSERTION:
	link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
	ide_config(link);
	break;
    case CS_EVENT_PM_SUSPEND:
	link->state |= DEV_SUSPEND;
	/* Fall through... */
    case CS_EVENT_RESET_PHYSICAL:
	if (link->state & DEV_CONFIG)
	    pcmcia_release_configuration(link->handle);
	break;
    case CS_EVENT_PM_RESUME:
	link->state &= ~DEV_SUSPEND;
	/* Fall through... */
    case CS_EVENT_CARD_RESET:
	if (DEV_OK(link))
	    pcmcia_request_configuration(link->handle, &link->conf);
	break;
    }
    return 0;
} /* ide_event */

static struct pcmcia_device_id ide_ids[] = {
	PCMCIA_DEVICE_FUNC_ID(4),
	PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
	PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401),
	PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000),	/* Toshiba */
	PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d),
	PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000),	/* Samsung */
	PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001),
	PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200),	/* Lexar */
	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-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("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753),
	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(" ", "NinjaATA-", 0x3b6e20c8, 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("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003),
	PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852),
	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, ide_ids);

static struct pcmcia_driver ide_cs_driver = {
	.owner		= THIS_MODULE,
	.drv		= {
		.name	= "ide-cs",
	},
	.attach		= ide_attach,
	.event		= ide_event,
	.detach		= ide_detach,
	.id_table       = ide_ids,
};

static int __init init_ide_cs(void)
{
	return pcmcia_register_driver(&ide_cs_driver);
}

static void __exit exit_ide_cs(void)
{
	pcmcia_unregister_driver(&ide_cs_driver);
	BUG_ON(dev_list != NULL);
}

late_initcall(init_ide_cs);
module_exit(exit_ide_cs);
Commit	Line	Data
1da177e4 LT	1	/*======================================================================
	2
	3	A driver for PCMCIA IDE/ATA disk cards
	4
	5	ide-cs.c 1.3 2002/10/26 05:45:31
	6
	7	The contents of this file are subject to the Mozilla Public
	8	License Version 1.1 (the "License"); you may not use this file
	9	except in compliance with the License. You may obtain a copy of
	10	the License at http://www.mozilla.org/MPL/
	11
	12	Software distributed under the License is distributed on an "AS
	13	IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
	14	implied. See the License for the specific language governing
	15	rights and limitations under the License.
	16
	17	The initial developer of the original code is David A. Hinds
	18	<[email protected]>. Portions created by David A. Hinds
	19	are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
	20
	21	Alternatively, the contents of this file may be used under the
	22	terms of the GNU General Public License version 2 (the "GPL"), in
	23	which case the provisions of the GPL are applicable instead of the
	24	above. If you wish to allow the use of your version of this file
	25	only under the terms of the GPL and not to allow others to use
	26	your version of this file under the MPL, indicate your decision
	27	by deleting the provisions above and replace them with the notice
	28	and other provisions required by the GPL. If you do not delete
	29	the provisions above, a recipient may use your version of this
	30	file under either the MPL or the GPL.
	31
	32	======================================================================*/
	33
	34	#include <linux/module.h>
	35	#include <linux/kernel.h>
	36	#include <linux/init.h>
	37	#include <linux/sched.h>
	38	#include <linux/ptrace.h>
	39	#include <linux/slab.h>
	40	#include <linux/string.h>
	41	#include <linux/timer.h>
	42	#include <linux/ioport.h>
	43	#include <linux/ide.h>
	44	#include <linux/hdreg.h>
	45	#include <linux/major.h>
	46	#include <asm/io.h>
	47	#include <asm/system.h>
	48
1da177e4 LT	49	#include <pcmcia/cs_types.h>
	50	#include <pcmcia/cs.h>
	51	#include <pcmcia/cistpl.h>
	52	#include <pcmcia/ds.h>
	53	#include <pcmcia/cisreg.h>
	54	#include <pcmcia/ciscode.h>
	55
	56	/====================================================================/
	57
	58	/* Module parameters */
	59
	60	MODULE_AUTHOR("David Hinds <[email protected]>");
	61	MODULE_DESCRIPTION("PCMCIA ATA/IDE card driver");
	62	MODULE_LICENSE("Dual MPL/GPL");
	63
	64	#define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0)
	65
	66	#ifdef PCMCIA_DEBUG
	67	INT_MODULE_PARM(pc_debug, PCMCIA_DEBUG);
	68	#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
	69	static char *version =
	70	"ide-cs.c 1.3 2002/10/26 05:45:31 (David Hinds)";
	71	#else
	72	#define DEBUG(n, args...)
	73	#endif
	74
	75	/====================================================================/
	76
	77	static const char ide_major[] = {
	78	IDE0_MAJOR, IDE1_MAJOR, IDE2_MAJOR, IDE3_MAJOR,
	79	IDE4_MAJOR, IDE5_MAJOR
	80	};
	81
	82	typedef struct ide_info_t {
	83	dev_link_t link;
	84	int ndev;
	85	dev_node_t node;
	86	int hd;
	87	} ide_info_t;
	88
	89	static void ide_release(dev_link_t *);
	90	static int ide_event(event_t event, int priority,
	91	event_callback_args_t *args);
	92
	93	static dev_info_t dev_info = "ide-cs";
	94
	95	static dev_link_t *ide_attach(void);
	96	static void ide_detach(dev_link_t *);
	97
	98	static dev_link_t *dev_list = NULL;
	99
	100	/*======================================================================
	101
	102	ide_attach() creates an "instance" of the driver, allocating
	103	local data structures for one device. The device is registered
	104	with Card Services.
	105
	106	======================================================================*/
	107
	108	static dev_link_t *ide_attach(void)
	109	{
	110	ide_info_t *info;
	111	dev_link_t *link;
	112	client_reg_t client_reg;
113	int ret;
114
115	DEBUG(0, "ide_attach()\n");
116
117	/* Create new ide device */
118	info = kmalloc(sizeof(*info), GFP_KERNEL);
119	if (!info) return NULL;
120	memset(info, 0, sizeof(*info));
121	link = &info->link; link->priv = info;
122
123	link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
124	link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
125	link->io.IOAddrLines = 3;
126	link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
127	link->irq.IRQInfo1 = IRQ_LEVEL_ID;
128	link->conf.Attributes = CONF_ENABLE_IRQ;
129	link->conf.Vcc = 50;
130	link->conf.IntType = INT_MEMORY_AND_IO;
131
132	/* Register with Card Services */
133	link->next = dev_list;
134	dev_list = link;
135	client_reg.dev_info = &dev_info;
1da177e4 LT	136	client_reg.Version = 0x0210;
	137	client_reg.event_callback_args.client_data = link;
	138	ret = pcmcia_register_client(&link->handle, &client_reg);
	139	if (ret != CS_SUCCESS) {
	140	cs_error(link->handle, RegisterClient, ret);
	141	ide_detach(link);
	142	return NULL;
	143	}
	144
	145	return link;
	146	} /* ide_attach */
	147
	148	/*======================================================================
	149
	150	This deletes a driver "instance". The device is de-registered
	151	with Card Services. If it has been released, all local data
	152	structures are freed. Otherwise, the structures will be freed
	153	when the device is released.
	154
	155	======================================================================*/
	156
	157	static void ide_detach(dev_link_t *link)
	158	{
	159	dev_link_t **linkp;
	160	int ret;
	161
	162	DEBUG(0, "ide_detach(0x%p)\n", link);
	163
	164	/* Locate device structure */
	165	for (linkp = &dev_list; linkp; linkp = &(linkp)->next)
	166	if (*linkp == link) break;
	167	if (*linkp == NULL)
	168	return;
	169
	170	if (link->state & DEV_CONFIG)
	171	ide_release(link);
	172
	173	if (link->handle) {
	174	ret = pcmcia_deregister_client(link->handle);
	175	if (ret != CS_SUCCESS)
	176	cs_error(link->handle, DeregisterClient, ret);
	177	}
	178
	179	/* Unlink, free device structure */
	180	*linkp = link->next;
	181	kfree(link->priv);
	182
	183	} /* ide_detach */
	184
	185	static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq)
	186	{
	187	hw_regs_t hw;
	188	memset(&hw, 0, sizeof(hw));
	189	ide_init_hwif_ports(&hw, io, ctl, NULL);
	190	hw.irq = irq;
	191	hw.chipset = ide_pci;
	192	return ide_register_hw_with_fixup(&hw, NULL, ide_undecoded_slave);
	193	}
	194
	195	/*======================================================================
	196
	197	ide_config() is scheduled to run after a CARD_INSERTION event
	198	is received, to configure the PCMCIA socket, and to make the
	199	ide device available to the system.
200
201	======================================================================*/
202
203	#define CS_CHECK(fn, ret) \
204	do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
205
206	static void ide_config(dev_link_t *link)
207	{
208	client_handle_t handle = link->handle;
209	ide_info_t *info = link->priv;
210	tuple_t tuple;
211	struct {
212	u_short buf[128];
213	cisparse_t parse;
214	config_info_t conf;
215	cistpl_cftable_entry_t dflt;
216	} *stk = NULL;
217	cistpl_cftable_entry_t *cfg;
218	int i, pass, last_ret = 0, last_fn = 0, hd, is_kme = 0;
219	unsigned long io_base, ctl_base;
220
221	DEBUG(0, "ide_config(0x%p)\n", link);
222
223	stk = kmalloc(sizeof(*stk), GFP_KERNEL);
224	if (!stk) goto err_mem;
225	memset(stk, 0, sizeof(*stk));
226	cfg = &stk->parse.cftable_entry;
227
228	tuple.TupleData = (cisdata_t *)&stk->buf;
229	tuple.TupleOffset = 0;
230	tuple.TupleDataMax = 255;
231	tuple.Attributes = 0;
232	tuple.DesiredTuple = CISTPL_CONFIG;
233	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
234	CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
235	CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &stk->parse));
236	link->conf.ConfigBase = stk->parse.config.base;
237	link->conf.Present = stk->parse.config.rmask[0];
238
239	tuple.DesiredTuple = CISTPL_MANFID;
240	if (!pcmcia_get_first_tuple(handle, &tuple) &&
241	!pcmcia_get_tuple_data(handle, &tuple) &&
242	!pcmcia_parse_tuple(handle, &tuple, &stk->parse))
243	is_kme = ((stk->parse.manfid.manf == MANFID_KME) &&
244	((stk->parse.manfid.card == PRODID_KME_KXLC005_A) \|\|
245	(stk->parse.manfid.card == PRODID_KME_KXLC005_B)));
246
247	/* Configure card */
248	link->state \|= DEV_CONFIG;
249
250	/* Not sure if this is right... look up the current Vcc */
251	CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &stk->conf));
252	link->conf.Vcc = stk->conf.Vcc;
253
254	pass = io_base = ctl_base = 0;
255	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
256	tuple.Attributes = 0;
257	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
258	while (1) {
259	if (pcmcia_get_tuple_data(handle, &tuple) != 0) goto next_entry;
260	if (pcmcia_parse_tuple(handle, &tuple, &stk->parse) != 0) goto next_entry;
261
262	/* Check for matching Vcc, unless we're desperate */
263	if (!pass) {
264	if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
265	if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
266	goto next_entry;
267	} else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
268	if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000)
269	goto next_entry;
270	}
271	}
272
273	if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM))
274	link->conf.Vpp1 = link->conf.Vpp2 =
275	cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
276	else if (stk->dflt.vpp1.present & (1 << CISTPL_POWER_VNOM))
277	link->conf.Vpp1 = link->conf.Vpp2 =
278	stk->dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
279
280	if ((cfg->io.nwin > 0) \|\| (stk->dflt.io.nwin > 0)) {
281	cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &stk->dflt.io;
282	link->conf.ConfigIndex = cfg->index;
283	link->io.BasePort1 = io->win[0].base;
284	link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
285	if (!(io->flags & CISTPL_IO_16BIT))
286	link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
287	if (io->nwin == 2) {
288	link->io.NumPorts1 = 8;
289	link->io.BasePort2 = io->win[1].base;
290	link->io.NumPorts2 = (is_kme) ? 2 : 1;
291	if (pcmcia_request_io(link->handle, &link->io) != 0)
292	goto next_entry;
293	io_base = link->io.BasePort1;
294	ctl_base = link->io.BasePort2;
295	} else if ((io->nwin == 1) && (io->win[0].len >= 16)) {
296	link->io.NumPorts1 = io->win[0].len;
297	link->io.NumPorts2 = 0;
298	if (pcmcia_request_io(link->handle, &link->io) != 0)
299	goto next_entry;
300	io_base = link->io.BasePort1;
301	ctl_base = link->io.BasePort1 + 0x0e;
302	} else goto next_entry;
303	/* If we've got this far, we're done */
304	break;
305	}
306
307	next_entry:
308	if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
309	memcpy(&stk->dflt, cfg, sizeof(stk->dflt));
310	if (pass) {
311	CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple));
312	} else if (pcmcia_get_next_tuple(handle, &tuple) != 0) {
313	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
314	memset(&stk->dflt, 0, sizeof(stk->dflt));
315	pass++;
316	}
317	}
318
319	CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq));
320	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
321
322	/* disable drive interrupts during IDE probe */
323	outb(0x02, ctl_base);
324
325	/* special setup for KXLC005 card */
326	if (is_kme)
327	outb(0x81, ctl_base+1);
328
329	/* retry registration in case device is still spinning up */
330	for (hd = -1, i = 0; i < 10; i++) {
331	hd = idecs_register(io_base, ctl_base, link->irq.AssignedIRQ);
332	if (hd >= 0) break;
333	if (link->io.NumPorts1 == 0x20) {
334	outb(0x02, ctl_base + 0x10);
335	hd = idecs_register(io_base + 0x10, ctl_base + 0x10,
336	link->irq.AssignedIRQ);
337	if (hd >= 0) {
338	io_base += 0x10;
339	ctl_base += 0x10;
340	break;
341	}
342	}
343	__set_current_state(TASK_UNINTERRUPTIBLE);
344	schedule_timeout(HZ/10);
345	}
346
347	if (hd < 0) {
348	printk(KERN_NOTICE "ide-cs: ide_register() at 0x%3lx & 0x%3lx"
349	", irq %u failed\n", io_base, ctl_base,
350	link->irq.AssignedIRQ);
351	goto failed;
352	}
353
354	info->ndev = 1;
355	sprintf(info->node.dev_name, "hd%c", 'a' + (hd * 2));
356	info->node.major = ide_major[hd];
357	info->node.minor = 0;
358	info->hd = hd;
359	link->dev = &info->node;
360	printk(KERN_INFO "ide-cs: %s: Vcc = %d.%d, Vpp = %d.%d\n",
361	info->node.dev_name, link->conf.Vcc / 10, link->conf.Vcc % 10,
362	link->conf.Vpp1 / 10, link->conf.Vpp1 % 10);
363
364	link->state &= ~DEV_CONFIG_PENDING;
365	kfree(stk);
366	return;
367
368	err_mem:
369	printk(KERN_NOTICE "ide-cs: ide_config failed memory allocation\n");
370	goto failed;
371
372	cs_failed:
373	cs_error(link->handle, last_fn, last_ret);
374	failed:
375	kfree(stk);
376	ide_release(link);
377	link->state &= ~DEV_CONFIG_PENDING;
378	} /* ide_config */
379
380	/*======================================================================
381
382	After a card is removed, ide_release() will unregister the net
383	device, and release the PCMCIA configuration. If the device is
384	still open, this will be postponed until it is closed.
385
386	======================================================================*/
387
388	void ide_release(dev_link_t *link)
389	{
390	ide_info_t *info = link->priv;
391
392	DEBUG(0, "ide_release(0x%p)\n", link);
393
394	if (info->ndev) {
395	/* FIXME: if this fails we need to queue the cleanup somehow
396	-- need to investigate the required PCMCIA magic */
397	ide_unregister(info->hd);
398	}
399	info->ndev = 0;
400	link->dev = NULL;
401
402	pcmcia_release_configuration(link->handle);
403	pcmcia_release_io(link->handle, &link->io);
404	pcmcia_release_irq(link->handle, &link->irq);
405
406	link->state &= ~DEV_CONFIG;
407
408	} /* ide_release */
409
410	/*======================================================================
411
412	The card status event handler. Mostly, this schedules other
413	stuff to run after an event is received. A CARD_REMOVAL event
414	also sets some flags to discourage the ide drivers from
415	talking to the ports.
416
417	======================================================================*/
418
419	int ide_event(event_t event, int priority,
420	event_callback_args_t *args)
421	{
422	dev_link_t *link = args->client_data;
423
424	DEBUG(1, "ide_event(0x%06x)\n", event);
425
426	switch (event) {
427	case CS_EVENT_CARD_REMOVAL:
428	link->state &= ~DEV_PRESENT;
429	if (link->state & DEV_CONFIG)
430	ide_release(link);
431	break;
432	case CS_EVENT_CARD_INSERTION:
433	link->state \|= DEV_PRESENT \| DEV_CONFIG_PENDING;
434	ide_config(link);
435	break;
436	case CS_EVENT_PM_SUSPEND:
437	link->state \|= DEV_SUSPEND;
438	/* Fall through... */
439	case CS_EVENT_RESET_PHYSICAL:
440	if (link->state & DEV_CONFIG)
441	pcmcia_release_configuration(link->handle);
442	break;
443	case CS_EVENT_PM_RESUME:
444	link->state &= ~DEV_SUSPEND;
445	/* Fall through... */
446	case CS_EVENT_CARD_RESET:
447	if (DEV_OK(link))
448	pcmcia_request_configuration(link->handle, &link->conf);
449	break;
450	}
451	return 0;
452	} /* ide_event */
453
f70b7d40 DB	454	static struct pcmcia_device_id ide_ids[] = {
	455	PCMCIA_DEVICE_FUNC_ID(4),
	456	PCMCIA_DEVICE_MANF_CARD(0x0032, 0x0704),
d3feb184 DB	457	PCMCIA_DEVICE_MANF_CARD(0x0045, 0x0401),
d3feb184 DB	458	PCMCIA_DEVICE_MANF_CARD(0x0098, 0x0000), /* Toshiba */
f70b7d40	459	PCMCIA_DEVICE_MANF_CARD(0x00a4, 0x002d),
d3feb184	460	PCMCIA_DEVICE_MANF_CARD(0x00ce, 0x0000), /* Samsung */
f70b7d40	461	PCMCIA_DEVICE_MANF_CARD(0x2080, 0x0001),
d3feb184	462	PCMCIA_DEVICE_MANF_CARD(0x4e01, 0x0200), /* Lexar */
f70b7d40 DB	463	PCMCIA_DEVICE_PROD_ID123("Caravelle", "PSC-IDE ", "PSC000", 0x8c36137c, 0xd0693ab8, 0x2768a9f0),
	464	PCMCIA_DEVICE_PROD_ID123("CDROM", "IDE", "MCD-601p", 0x1b9179ca, 0xede88951, 0x0d902f74),
	465	PCMCIA_DEVICE_PROD_ID123("PCMCIA", "IDE CARD", "F1", 0x281f1c5d, 0x1907960c, 0xf7fde8b9),
	466	PCMCIA_DEVICE_PROD_ID12("ARGOSY", "CD-ROM", 0x78f308dc, 0x66536591),
	467	PCMCIA_DEVICE_PROD_ID12("ARGOSY", "PnPIDE", 0x78f308dc, 0x0c694728),
	468	PCMCIA_DEVICE_PROD_ID12("CNF CD-M", "CD-ROM", 0x7d93b852, 0x66536591),
	469	PCMCIA_DEVICE_PROD_ID12("Creative Technology Ltd.", "PCMCIA CD-ROM Interface Card", 0xff8c8a45, 0xfe8020c4),
	470	PCMCIA_DEVICE_PROD_ID12("Digital Equipment Corporation.", "Digital Mobile Media CD-ROM", 0x17692a66, 0xef1dcbde),
d277ad0e	471	PCMCIA_DEVICE_PROD_ID12("EXP", "CD+GAME", 0x6f58c983, 0x63c13aaf),
f70b7d40 DB	472	PCMCIA_DEVICE_PROD_ID12("EXP ", "CD-ROM", 0x0a5c52fd, 0x66536591),
	473	PCMCIA_DEVICE_PROD_ID12("EXP ", "PnPIDE", 0x0a5c52fd, 0x0c694728),
	474	PCMCIA_DEVICE_PROD_ID12("FREECOM", "PCCARD-IDE", 0x5714cbf7, 0x48e0ab8e),
	475	PCMCIA_DEVICE_PROD_ID12("IBM", "IBM17JSSFP20", 0xb569a6e5, 0xf2508753),
	476	PCMCIA_DEVICE_PROD_ID12("IO DATA", "CBIDE2 ", 0x547e66dc, 0x8671043b),
	477	PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDE", 0x547e66dc, 0x5c5ab149),
	478	PCMCIA_DEVICE_PROD_ID12("IO DATA", "PCIDEII", 0x547e66dc, 0xb3662674),
	479	PCMCIA_DEVICE_PROD_ID12("LOOKMEET", "CBIDE2 ", 0xe37be2b5, 0x8671043b),
	480	PCMCIA_DEVICE_PROD_ID12(" ", "NinjaATA-", 0x3b6e20c8, 0xebe0bd79),
	481	PCMCIA_DEVICE_PROD_ID12("PCMCIA", "CD-ROM", 0x281f1c5d, 0x66536591),
	482	PCMCIA_DEVICE_PROD_ID12("PCMCIA", "PnPIDE", 0x281f1c5d, 0x0c694728),
	483	PCMCIA_DEVICE_PROD_ID12("SHUTTLE TECHNOLOGY LTD.", "PCCARD-IDE/ATAPI Adapter", 0x4a3f0ba0, 0x322560e1),
	484	PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "MK2001MPL", 0xb4585a1a, 0x3489e003),
	485	PCMCIA_DEVICE_PROD_ID12("WIT", "IDE16", 0x244e5994, 0x3e232852),
	486	PCMCIA_DEVICE_PROD_ID1("STI Flash", 0xe4a13209),
d3feb184	487	PCMCIA_DEVICE_PROD_ID12("STI", "Flash 5.0", 0xbf2df18d, 0x8cb57a0e),
698e22c4	488	PCMCIA_MFC_DEVICE_PROD_ID12(1, "SanDisk", "ConnectPlus", 0x7a954bd9, 0x74be00c6),
f70b7d40 DB	489	PCMCIA_DEVICE_NULL,
	490	};
	491	MODULE_DEVICE_TABLE(pcmcia, ide_ids);
	492
1da177e4 LT	493	static struct pcmcia_driver ide_cs_driver = {
	494	.owner = THIS_MODULE,
	495	.drv = {
	496	.name = "ide-cs",
	497	},
	498	.attach = ide_attach,
1e212f36	499	.event = ide_event,
1da177e4	500	.detach = ide_detach,
f70b7d40	501	.id_table = ide_ids,
1da177e4 LT	502	};
	503
	504	static int __init init_ide_cs(void)
	505	{
	506	return pcmcia_register_driver(&ide_cs_driver);
	507	}
	508
	509	static void __exit exit_ide_cs(void)
	510	{
	511	pcmcia_unregister_driver(&ide_cs_driver);
	512	BUG_ON(dev_list != NULL);
	513	}
	514
2b8d4669	515	late_initcall(init_ide_cs);
1da177e4	516	module_exit(exit_ide_cs);