drivers/isdn/hisax/sedlbauer_cs.c - maze/linux - Git at Google

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

   A Sedlbauer PCMCIA client driver

   This driver is for the Sedlbauer Speed Star and Speed Star II,
   which are ISDN PCMCIA Cards.

   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
   <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
   are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.

   Modifications from dummy_cs.c are Copyright (C) 1999-2001 Marcus Niemann
   <maniemann@users.sourceforge.net>. 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/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/ptrace.h>
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/timer.h>
 #include <linux/ioport.h>
 #include <asm/io.h>

 #include <pcmcia/cistpl.h>
 #include <pcmcia/cisreg.h>
 #include <pcmcia/ds.h>
 #include "hisax_cfg.h"

 MODULE_DESCRIPTION("ISDN4Linux: PCMCIA client driver for Sedlbauer cards");
 MODULE_AUTHOR("Marcus Niemann");
 MODULE_LICENSE("Dual MPL/GPL");


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

 /* Parameters that can be set with 'insmod' */

 static int protocol = 2;        /* EURO-ISDN Default */
 module_param(protocol, int, 0);

 static int sedlbauer_config(struct pcmcia_device *link);
 static void sedlbauer_release(struct pcmcia_device *link);

 static void sedlbauer_detach(struct pcmcia_device *p_dev);

 typedef struct local_info_t {
 	struct pcmcia_device	*p_dev;
 	int			stop;
 	int			cardnr;
 } local_info_t;

 static int sedlbauer_probe(struct pcmcia_device *link)
 {
 	local_info_t *local;

 	dev_dbg(&link->dev, "sedlbauer_attach()\n");

 	/* Allocate space for private device-specific data */
 	local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
 	if (!local) return -ENOMEM;
 	local->cardnr = -1;

 	local->p_dev = link;
 	link->priv = local;

 	return sedlbauer_config(link);
 } /* sedlbauer_attach */

 static void sedlbauer_detach(struct pcmcia_device *link)
 {
 	dev_dbg(&link->dev, "sedlbauer_detach(0x%p)\n", link);

 	((local_info_t *)link->priv)->stop = 1;
 	sedlbauer_release(link);

 	/* This points to the parent local_info_t struct */
 	kfree(link->priv);
 } /* sedlbauer_detach */

 static int sedlbauer_config_check(struct pcmcia_device *p_dev, void *priv_data)
 {
 	if (p_dev->config_index == 0)
 		return -EINVAL;

 	p_dev->io_lines = 3;
 	return pcmcia_request_io(p_dev);
 }

 static int sedlbauer_config(struct pcmcia_device *link)
 {
 	int ret;
 	IsdnCard_t  icard;

 	dev_dbg(&link->dev, "sedlbauer_config(0x%p)\n", link);

 	link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_CHECK_VCC |
 		CONF_AUTO_SET_VPP | CONF_AUTO_AUDIO | CONF_AUTO_SET_IO;

 	ret = pcmcia_loop_config(link, sedlbauer_config_check, NULL);
 	if (ret)
 		goto failed;

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

 	icard.para[0] = link->irq;
 	icard.para[1] = link->resource[0]->start;
 	icard.protocol = protocol;
 	icard.typ = ISDN_CTYPE_SEDLBAUER_PCMCIA;

 	ret = hisax_init_pcmcia(link,
 				&(((local_info_t *)link->priv)->stop), &icard);
 	if (ret < 0) {
 		printk(KERN_ERR "sedlbauer_cs: failed to initialize SEDLBAUER PCMCIA %d with %pR\n",
 		       ret, link->resource[0]);
 		sedlbauer_release(link);
 		return -ENODEV;
 	} else
 		((local_info_t *)link->priv)->cardnr = ret;

 	return 0;

 failed:
 	sedlbauer_release(link);
 	return -ENODEV;

 } /* sedlbauer_config */

 static void sedlbauer_release(struct pcmcia_device *link)
 {
 	local_info_t *local = link->priv;
 	dev_dbg(&link->dev, "sedlbauer_release(0x%p)\n", link);

 	if (local) {
 		if (local->cardnr >= 0) {
 			/* no unregister function with hisax */
 			HiSax_closecard(local->cardnr);
 		}
 	}

 	pcmcia_disable_device(link);
 } /* sedlbauer_release */

 static int sedlbauer_suspend(struct pcmcia_device *link)
 {
 	local_info_t *dev = link->priv;

 	dev->stop = 1;

 	return 0;
 }

 static int sedlbauer_resume(struct pcmcia_device *link)
 {
 	local_info_t *dev = link->priv;

 	dev->stop = 0;

 	return 0;
 }


 static const struct pcmcia_device_id sedlbauer_ids[] = {
 	PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "speed star II", "V 3.1", 0x81fb79f5, 0xf3612e1d, 0x6b95c78a),
 	PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", "4D67", 0x81fb79f5, 0xe4e9bc12, 0x397b7e90),
 	PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", "4D98", 0x81fb79f5, 0xe4e9bc12, 0x2e5c7fce),
 	PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", " (C) 93-94 VK", 0x81fb79f5, 0xe4e9bc12, 0x8db143fe),
 	PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", " (c) 93-95 VK", 0x81fb79f5, 0xe4e9bc12, 0xb391ab4c),
 	PCMCIA_DEVICE_PROD_ID12("HST High Soft Tech GmbH", "Saphir II B", 0xd79e0b84, 0x21d083ae),
 /*	PCMCIA_DEVICE_PROD_ID1234("SEDLBAUER", 0x81fb79f5), */ /* too generic*/
 	PCMCIA_DEVICE_NULL
 };
 MODULE_DEVICE_TABLE(pcmcia, sedlbauer_ids);

 static struct pcmcia_driver sedlbauer_driver = {
 	.owner		= THIS_MODULE,
 	.name		= "sedlbauer_cs",
 	.probe		= sedlbauer_probe,
 	.remove		= sedlbauer_detach,
 	.id_table	= sedlbauer_ids,
 	.suspend	= sedlbauer_suspend,
 	.resume		= sedlbauer_resume,
 };

 static int __init init_sedlbauer_cs(void)
 {
 	return pcmcia_register_driver(&sedlbauer_driver);
 }

 static void __exit exit_sedlbauer_cs(void)
 {
 	pcmcia_unregister_driver(&sedlbauer_driver);
 }

 module_init(init_sedlbauer_cs);
 module_exit(exit_sedlbauer_cs);
	/*======================================================================

	A Sedlbauer PCMCIA client driver

	This driver is for the Sedlbauer Speed Star and Speed Star II,
	which are ISDN PCMCIA Cards.

	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
	<dahinds@users.sourceforge.net>. Portions created by David A. Hinds
	are Copyright (C) 1999 David A. Hinds. All Rights Reserved.

	Modifications from dummy_cs.c are Copyright (C) 1999-2001 Marcus Niemann
	<maniemann@users.sourceforge.net>. 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/kernel.h>
	#include <linux/module.h>
	#include <linux/init.h>
	#include <linux/ptrace.h>
	#include <linux/slab.h>
	#include <linux/string.h>
	#include <linux/timer.h>
	#include <linux/ioport.h>
	#include <asm/io.h>

	#include <pcmcia/cistpl.h>
	#include <pcmcia/cisreg.h>
	#include <pcmcia/ds.h>
	#include "hisax_cfg.h"

	MODULE_DESCRIPTION("ISDN4Linux: PCMCIA client driver for Sedlbauer cards");
	MODULE_AUTHOR("Marcus Niemann");
	MODULE_LICENSE("Dual MPL/GPL");


	/====================================================================/

	/* Parameters that can be set with 'insmod' */

	static int protocol = 2; /* EURO-ISDN Default */
	module_param(protocol, int, 0);

	static int sedlbauer_config(struct pcmcia_device *link);
	static void sedlbauer_release(struct pcmcia_device *link);

	static void sedlbauer_detach(struct pcmcia_device *p_dev);

	typedef struct local_info_t {
	struct pcmcia_device *p_dev;
	int stop;
	int cardnr;
	} local_info_t;

	static int sedlbauer_probe(struct pcmcia_device *link)
	{
	local_info_t *local;

	dev_dbg(&link->dev, "sedlbauer_attach()\n");

	/* Allocate space for private device-specific data */
	local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
	if (!local) return -ENOMEM;
	local->cardnr = -1;

	local->p_dev = link;
	link->priv = local;

	return sedlbauer_config(link);
	} /* sedlbauer_attach */

	static void sedlbauer_detach(struct pcmcia_device *link)
	{
	dev_dbg(&link->dev, "sedlbauer_detach(0x%p)\n", link);

	((local_info_t *)link->priv)->stop = 1;
	sedlbauer_release(link);

	/* This points to the parent local_info_t struct */
	kfree(link->priv);
	} /* sedlbauer_detach */

	static int sedlbauer_config_check(struct pcmcia_device p_dev, void priv_data)
	{
	if (p_dev->config_index == 0)
	return -EINVAL;

	p_dev->io_lines = 3;
	return pcmcia_request_io(p_dev);
	}

	static int sedlbauer_config(struct pcmcia_device *link)
	{
	int ret;
	IsdnCard_t icard;

	dev_dbg(&link->dev, "sedlbauer_config(0x%p)\n", link);

	link->config_flags \|= CONF_ENABLE_IRQ \| CONF_AUTO_CHECK_VCC \|
	CONF_AUTO_SET_VPP \| CONF_AUTO_AUDIO \| CONF_AUTO_SET_IO;

	ret = pcmcia_loop_config(link, sedlbauer_config_check, NULL);
	if (ret)
	goto failed;

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

	icard.para[0] = link->irq;
	icard.para[1] = link->resource[0]->start;
	icard.protocol = protocol;
	icard.typ = ISDN_CTYPE_SEDLBAUER_PCMCIA;

	ret = hisax_init_pcmcia(link,
	&(((local_info_t *)link->priv)->stop), &icard);
	if (ret < 0) {
	printk(KERN_ERR "sedlbauer_cs: failed to initialize SEDLBAUER PCMCIA %d with %pR\n",
	ret, link->resource[0]);
	sedlbauer_release(link);
	return -ENODEV;
	} else
	((local_info_t *)link->priv)->cardnr = ret;

	return 0;

	failed:
	sedlbauer_release(link);
	return -ENODEV;

	} /* sedlbauer_config */

	static void sedlbauer_release(struct pcmcia_device *link)
	{
	local_info_t *local = link->priv;
	dev_dbg(&link->dev, "sedlbauer_release(0x%p)\n", link);

	if (local) {
	if (local->cardnr >= 0) {
	/* no unregister function with hisax */
	HiSax_closecard(local->cardnr);
	}
	}

	pcmcia_disable_device(link);
	} /* sedlbauer_release */

	static int sedlbauer_suspend(struct pcmcia_device *link)
	{
	local_info_t *dev = link->priv;

	dev->stop = 1;

	return 0;
	}

	static int sedlbauer_resume(struct pcmcia_device *link)
	{
	local_info_t *dev = link->priv;

	dev->stop = 0;

	return 0;
	}


	static const struct pcmcia_device_id sedlbauer_ids[] = {
	PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "speed star II", "V 3.1", 0x81fb79f5, 0xf3612e1d, 0x6b95c78a),
	PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", "4D67", 0x81fb79f5, 0xe4e9bc12, 0x397b7e90),
	PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", "4D98", 0x81fb79f5, 0xe4e9bc12, 0x2e5c7fce),
	PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", " (C) 93-94 VK", 0x81fb79f5, 0xe4e9bc12, 0x8db143fe),
	PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", " (c) 93-95 VK", 0x81fb79f5, 0xe4e9bc12, 0xb391ab4c),
	PCMCIA_DEVICE_PROD_ID12("HST High Soft Tech GmbH", "Saphir II B", 0xd79e0b84, 0x21d083ae),
	/* PCMCIA_DEVICE_PROD_ID1234("SEDLBAUER", 0x81fb79f5), / / too generic*/
	PCMCIA_DEVICE_NULL
	};
	MODULE_DEVICE_TABLE(pcmcia, sedlbauer_ids);

	static struct pcmcia_driver sedlbauer_driver = {
	.owner = THIS_MODULE,
	.name = "sedlbauer_cs",
	.probe = sedlbauer_probe,
	.remove = sedlbauer_detach,
	.id_table = sedlbauer_ids,
	.suspend = sedlbauer_suspend,
	.resume = sedlbauer_resume,
	};

	static int __init init_sedlbauer_cs(void)
	{
	return pcmcia_register_driver(&sedlbauer_driver);
	}

	static void __exit exit_sedlbauer_cs(void)
	{
	pcmcia_unregister_driver(&sedlbauer_driver);
	}

	module_init(init_sedlbauer_cs);
	module_exit(exit_sedlbauer_cs);