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Linux/drivers/isdn/hisax/sedlbauer_cs.c

  1 /*======================================================================
  2 
  3   A Sedlbauer PCMCIA client driver
  4 
  5   This driver is for the Sedlbauer Speed Star and Speed Star II,
  6   which are ISDN PCMCIA Cards.
  7 
  8   The contents of this file are subject to the Mozilla Public
  9   License Version 1.1 (the "License"); you may not use this file
 10   except in compliance with the License. You may obtain a copy of
 11   the License at http://www.mozilla.org/MPL/
 12 
 13   Software distributed under the License is distributed on an "AS
 14   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 15   implied. See the License for the specific language governing
 16   rights and limitations under the License.
 17 
 18   The initial developer of the original code is David A. Hinds
 19   <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
 20   are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
 21 
 22   Modifications from dummy_cs.c are Copyright (C) 1999-2001 Marcus Niemann
 23   <maniemann@users.sourceforge.net>. All Rights Reserved.
 24 
 25   Alternatively, the contents of this file may be used under the
 26   terms of the GNU General Public License version 2 (the "GPL"), in
 27   which case the provisions of the GPL are applicable instead of the
 28   above.  If you wish to allow the use of your version of this file
 29   only under the terms of the GPL and not to allow others to use
 30   your version of this file under the MPL, indicate your decision
 31   by deleting the provisions above and replace them with the notice
 32   and other provisions required by the GPL.  If you do not delete
 33   the provisions above, a recipient may use your version of this
 34   file under either the MPL or the GPL.
 35 
 36   ======================================================================*/
 37 
 38 #include <linux/kernel.h>
 39 #include <linux/module.h>
 40 #include <linux/init.h>
 41 #include <linux/ptrace.h>
 42 #include <linux/slab.h>
 43 #include <linux/string.h>
 44 #include <linux/timer.h>
 45 #include <linux/ioport.h>
 46 #include <asm/io.h>
 47 
 48 #include <pcmcia/cistpl.h>
 49 #include <pcmcia/cisreg.h>
 50 #include <pcmcia/ds.h>
 51 #include "hisax_cfg.h"
 52 
 53 MODULE_DESCRIPTION("ISDN4Linux: PCMCIA client driver for Sedlbauer cards");
 54 MODULE_AUTHOR("Marcus Niemann");
 55 MODULE_LICENSE("Dual MPL/GPL");
 56 
 57 
 58 /*====================================================================*/
 59 
 60 /* Parameters that can be set with 'insmod' */
 61 
 62 static int protocol = 2;        /* EURO-ISDN Default */
 63 module_param(protocol, int, 0);
 64 
 65 static int sedlbauer_config(struct pcmcia_device *link);
 66 static void sedlbauer_release(struct pcmcia_device *link);
 67 
 68 static void sedlbauer_detach(struct pcmcia_device *p_dev);
 69 
 70 typedef struct local_info_t {
 71         struct pcmcia_device    *p_dev;
 72         int                     stop;
 73         int                     cardnr;
 74 } local_info_t;
 75 
 76 static int sedlbauer_probe(struct pcmcia_device *link)
 77 {
 78         local_info_t *local;
 79 
 80         dev_dbg(&link->dev, "sedlbauer_attach()\n");
 81 
 82         /* Allocate space for private device-specific data */
 83         local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
 84         if (!local) return -ENOMEM;
 85         local->cardnr = -1;
 86 
 87         local->p_dev = link;
 88         link->priv = local;
 89 
 90         return sedlbauer_config(link);
 91 } /* sedlbauer_attach */
 92 
 93 static void sedlbauer_detach(struct pcmcia_device *link)
 94 {
 95         dev_dbg(&link->dev, "sedlbauer_detach(0x%p)\n", link);
 96 
 97         ((local_info_t *)link->priv)->stop = 1;
 98         sedlbauer_release(link);
 99 
100         /* This points to the parent local_info_t struct */
101         kfree(link->priv);
102 } /* sedlbauer_detach */
103 
104 static int sedlbauer_config_check(struct pcmcia_device *p_dev, void *priv_data)
105 {
106         if (p_dev->config_index == 0)
107                 return -EINVAL;
108 
109         p_dev->io_lines = 3;
110         return pcmcia_request_io(p_dev);
111 }
112 
113 static int sedlbauer_config(struct pcmcia_device *link)
114 {
115         int ret;
116         IsdnCard_t  icard;
117 
118         dev_dbg(&link->dev, "sedlbauer_config(0x%p)\n", link);
119 
120         link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_CHECK_VCC |
121                 CONF_AUTO_SET_VPP | CONF_AUTO_AUDIO | CONF_AUTO_SET_IO;
122 
123         ret = pcmcia_loop_config(link, sedlbauer_config_check, NULL);
124         if (ret)
125                 goto failed;
126 
127         ret = pcmcia_enable_device(link);
128         if (ret)
129                 goto failed;
130 
131         icard.para[0] = link->irq;
132         icard.para[1] = link->resource[0]->start;
133         icard.protocol = protocol;
134         icard.typ = ISDN_CTYPE_SEDLBAUER_PCMCIA;
135 
136         ret = hisax_init_pcmcia(link,
137                                 &(((local_info_t *)link->priv)->stop), &icard);
138         if (ret < 0) {
139                 printk(KERN_ERR "sedlbauer_cs: failed to initialize SEDLBAUER PCMCIA %d with %pR\n",
140                        ret, link->resource[0]);
141                 sedlbauer_release(link);
142                 return -ENODEV;
143         } else
144                 ((local_info_t *)link->priv)->cardnr = ret;
145 
146         return 0;
147 
148 failed:
149         sedlbauer_release(link);
150         return -ENODEV;
151 
152 } /* sedlbauer_config */
153 
154 static void sedlbauer_release(struct pcmcia_device *link)
155 {
156         local_info_t *local = link->priv;
157         dev_dbg(&link->dev, "sedlbauer_release(0x%p)\n", link);
158 
159         if (local) {
160                 if (local->cardnr >= 0) {
161                         /* no unregister function with hisax */
162                         HiSax_closecard(local->cardnr);
163                 }
164         }
165 
166         pcmcia_disable_device(link);
167 } /* sedlbauer_release */
168 
169 static int sedlbauer_suspend(struct pcmcia_device *link)
170 {
171         local_info_t *dev = link->priv;
172 
173         dev->stop = 1;
174 
175         return 0;
176 }
177 
178 static int sedlbauer_resume(struct pcmcia_device *link)
179 {
180         local_info_t *dev = link->priv;
181 
182         dev->stop = 0;
183 
184         return 0;
185 }
186 
187 
188 static const struct pcmcia_device_id sedlbauer_ids[] = {
189         PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "speed star II", "V 3.1", 0x81fb79f5, 0xf3612e1d, 0x6b95c78a),
190         PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", "4D67", 0x81fb79f5, 0xe4e9bc12, 0x397b7e90),
191         PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", "4D98", 0x81fb79f5, 0xe4e9bc12, 0x2e5c7fce),
192         PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", " (C) 93-94 VK", 0x81fb79f5, 0xe4e9bc12, 0x8db143fe),
193         PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", " (c) 93-95 VK", 0x81fb79f5, 0xe4e9bc12, 0xb391ab4c),
194         PCMCIA_DEVICE_PROD_ID12("HST High Soft Tech GmbH", "Saphir II B", 0xd79e0b84, 0x21d083ae),
195 /*      PCMCIA_DEVICE_PROD_ID1234("SEDLBAUER", 0x81fb79f5), */ /* too generic*/
196         PCMCIA_DEVICE_NULL
197 };
198 MODULE_DEVICE_TABLE(pcmcia, sedlbauer_ids);
199 
200 static struct pcmcia_driver sedlbauer_driver = {
201         .owner          = THIS_MODULE,
202         .name           = "sedlbauer_cs",
203         .probe          = sedlbauer_probe,
204         .remove         = sedlbauer_detach,
205         .id_table       = sedlbauer_ids,
206         .suspend        = sedlbauer_suspend,
207         .resume         = sedlbauer_resume,
208 };
209 module_pcmcia_driver(sedlbauer_driver);
210 

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