2005-04-17 05:20:36 +07:00
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/* $Id: teles_cs.c,v 1.1.2.2 2004/01/25 15:07:06 keil Exp $ */
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/*======================================================================
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2012-02-20 10:52:38 +07:00
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A teles S0 PCMCIA client driver
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2005-04-17 05:20:36 +07:00
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2012-02-20 10:52:38 +07:00
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Based on skeleton by David Hinds, dhinds@allegro.stanford.edu
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Written by Christof Petig, christof.petig@wtal.de
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2005-04-17 05:20:36 +07:00
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2012-02-20 10:52:38 +07:00
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Also inspired by ELSA PCMCIA driver
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by Klaus Lichtenwalder <Lichtenwalder@ACM.org>
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2005-04-17 05:20:36 +07:00
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2012-02-20 10:52:38 +07:00
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Extensions to new hisax_pcmcia by Karsten Keil
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minor changes to be compatible with kernel 2.4.x
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by Jan.Schubert@GMX.li
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======================================================================*/
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2005-04-17 05:20:36 +07:00
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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/ptrace.h>
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#include <linux/slab.h>
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#include <linux/string.h>
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#include <linux/timer.h>
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#include <linux/ioport.h>
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#include <asm/io.h>
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#include <pcmcia/cistpl.h>
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#include <pcmcia/cisreg.h>
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#include <pcmcia/ds.h>
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#include "hisax_cfg.h"
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MODULE_DESCRIPTION("ISDN4Linux: PCMCIA client driver for Teles PCMCIA cards");
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MODULE_AUTHOR("Christof Petig, christof.petig@wtal.de, Karsten Keil, kkeil@suse.de");
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MODULE_LICENSE("GPL");
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/*====================================================================*/
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/* Parameters that can be set with 'insmod' */
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static int protocol = 2; /* EURO-ISDN Default */
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module_param(protocol, int, 0);
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2012-12-22 04:13:05 +07:00
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static int teles_cs_config(struct pcmcia_device *link);
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2006-03-31 22:21:06 +07:00
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static void teles_cs_release(struct pcmcia_device *link);
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2012-12-22 04:13:05 +07:00
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static void teles_detach(struct pcmcia_device *p_dev);
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2005-04-17 05:20:36 +07:00
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typedef struct local_info_t {
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2006-03-05 16:45:09 +07:00
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struct pcmcia_device *p_dev;
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2012-02-20 10:52:38 +07:00
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int busy;
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int cardnr;
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2005-04-17 05:20:36 +07:00
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} local_info_t;
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2012-12-22 04:13:05 +07:00
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static int teles_probe(struct pcmcia_device *link)
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2005-04-17 05:20:36 +07:00
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{
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2012-02-20 10:52:38 +07:00
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local_info_t *local;
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2005-04-17 05:20:36 +07:00
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2012-02-20 10:52:38 +07:00
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dev_dbg(&link->dev, "teles_attach()\n");
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2005-04-17 05:20:36 +07:00
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2012-02-20 10:52:38 +07:00
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/* Allocate space for private device-specific data */
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local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
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if (!local) return -ENOMEM;
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local->cardnr = -1;
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2006-03-05 16:45:09 +07:00
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2012-02-20 10:52:38 +07:00
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local->p_dev = link;
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link->priv = local;
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2005-04-17 05:20:36 +07:00
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2012-02-20 10:52:38 +07:00
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link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;
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2005-04-17 05:20:36 +07:00
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2012-02-20 10:52:38 +07:00
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return teles_cs_config(link);
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2005-04-17 05:20:36 +07:00
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} /* teles_attach */
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2012-12-22 04:13:05 +07:00
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static void teles_detach(struct pcmcia_device *link)
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2005-04-17 05:20:36 +07:00
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{
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2006-03-02 06:09:29 +07:00
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local_info_t *info = link->priv;
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2005-04-17 05:20:36 +07:00
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2009-10-24 20:50:13 +07:00
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dev_dbg(&link->dev, "teles_detach(0x%p)\n", link);
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2005-04-17 05:20:36 +07:00
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2006-03-02 06:09:29 +07:00
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info->busy = 1;
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teles_cs_release(link);
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2005-04-17 05:20:36 +07:00
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2006-03-02 06:09:29 +07:00
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kfree(info);
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2005-04-17 05:20:36 +07:00
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} /* teles_detach */
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2010-07-30 18:13:46 +07:00
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static int teles_cs_configcheck(struct pcmcia_device *p_dev, void *priv_data)
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2005-04-17 05:20:36 +07:00
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{
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2008-07-29 13:38:55 +07:00
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int j;
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2010-07-24 22:23:51 +07:00
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p_dev->io_lines = 5;
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2010-07-30 18:13:46 +07:00
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p_dev->resource[0]->end = 96;
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p_dev->resource[0]->flags &= IO_DATA_PATH_WIDTH;
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p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
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2010-07-24 22:23:51 +07:00
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2010-07-30 18:13:46 +07:00
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if ((p_dev->resource[0]->end) && p_dev->resource[0]->start) {
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2008-07-29 13:38:55 +07:00
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printk(KERN_INFO "(teles_cs: looks like the 96 model)\n");
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2010-07-24 22:23:51 +07:00
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if (!pcmcia_request_io(p_dev))
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2008-07-29 13:38:55 +07:00
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return 0;
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} else {
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printk(KERN_INFO "(teles_cs: looks like the 97 model)\n");
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for (j = 0x2f0; j > 0x100; j -= 0x10) {
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2010-07-24 22:23:51 +07:00
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p_dev->resource[0]->start = j;
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if (!pcmcia_request_io(p_dev))
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2008-07-29 13:38:55 +07:00
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return 0;
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}
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}
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return -ENODEV;
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2005-04-17 05:20:36 +07:00
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}
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2012-12-22 04:13:05 +07:00
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static int teles_cs_config(struct pcmcia_device *link)
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2005-04-17 05:20:36 +07:00
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{
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2012-02-20 10:52:38 +07:00
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int i;
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IsdnCard_t icard;
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dev_dbg(&link->dev, "teles_config(0x%p)\n", link);
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i = pcmcia_loop_config(link, teles_cs_configcheck, NULL);
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if (i != 0)
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goto cs_failed;
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if (!link->irq)
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goto cs_failed;
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i = pcmcia_enable_device(link);
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if (i != 0)
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goto cs_failed;
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2006-03-31 22:26:06 +07:00
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2012-02-20 10:52:38 +07:00
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icard.para[0] = link->irq;
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icard.para[1] = link->resource[0]->start;
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icard.protocol = protocol;
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icard.typ = ISDN_CTYPE_TELESPCMCIA;
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i = hisax_init_pcmcia(link, &(((local_info_t *)link->priv)->busy), &icard);
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if (i < 0) {
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printk(KERN_ERR "teles_cs: failed to initialize Teles PCMCIA %d at i/o %#x\n",
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i, (unsigned int) link->resource[0]->start);
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teles_cs_release(link);
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return -ENODEV;
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}
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((local_info_t *)link->priv)->cardnr = i;
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return 0;
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2005-04-17 05:20:36 +07:00
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cs_failed:
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2012-02-20 10:52:38 +07:00
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teles_cs_release(link);
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return -ENODEV;
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2005-04-17 05:20:36 +07:00
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} /* teles_cs_config */
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2006-03-31 22:21:06 +07:00
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static void teles_cs_release(struct pcmcia_device *link)
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2005-04-17 05:20:36 +07:00
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{
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2012-02-20 10:52:38 +07:00
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local_info_t *local = link->priv;
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2005-04-17 05:20:36 +07:00
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2012-02-20 10:52:38 +07:00
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dev_dbg(&link->dev, "teles_cs_release(0x%p)\n", link);
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2005-04-17 05:20:36 +07:00
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2012-02-20 10:52:38 +07:00
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if (local) {
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if (local->cardnr >= 0) {
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/* no unregister function with hisax */
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HiSax_closecard(local->cardnr);
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}
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2005-04-17 05:20:36 +07:00
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}
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2006-01-15 15:32:39 +07:00
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2012-02-20 10:52:38 +07:00
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pcmcia_disable_device(link);
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2005-04-17 05:20:36 +07:00
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} /* teles_cs_release */
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2006-03-31 22:21:06 +07:00
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static int teles_suspend(struct pcmcia_device *link)
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2005-11-15 03:21:18 +07:00
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{
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local_info_t *dev = link->priv;
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2012-02-20 10:52:38 +07:00
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dev->busy = 1;
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2005-11-15 03:21:18 +07:00
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return 0;
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}
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2006-03-31 22:21:06 +07:00
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static int teles_resume(struct pcmcia_device *link)
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2005-11-15 03:21:18 +07:00
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{
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local_info_t *dev = link->priv;
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2012-02-20 10:52:38 +07:00
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dev->busy = 0;
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2005-11-15 03:21:18 +07:00
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return 0;
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}
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2005-04-17 05:20:36 +07:00
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2011-05-04 09:29:01 +07:00
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static const struct pcmcia_device_id teles_ids[] = {
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2005-06-28 06:28:24 +07:00
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PCMCIA_DEVICE_PROD_ID12("TELES", "S0/PC", 0x67b50eae, 0xe9e70119),
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PCMCIA_DEVICE_NULL,
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};
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MODULE_DEVICE_TABLE(pcmcia, teles_ids);
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2005-04-17 05:20:36 +07:00
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static struct pcmcia_driver teles_cs_driver = {
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.owner = THIS_MODULE,
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2010-08-08 16:36:26 +07:00
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.name = "teles_cs",
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2006-03-31 22:26:06 +07:00
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.probe = teles_probe,
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2012-12-22 04:13:05 +07:00
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.remove = teles_detach,
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2005-06-28 06:28:24 +07:00
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.id_table = teles_ids,
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2005-11-15 03:21:18 +07:00
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.suspend = teles_suspend,
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.resume = teles_resume,
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2005-04-17 05:20:36 +07:00
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};
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2013-03-07 01:26:50 +07:00
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module_pcmcia_driver(teles_cs_driver);
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