package/bcm43xx-mac80211/src/bcm43xx/bcm43xx_pcmcia.c

   1 /*
   2
   3   Broadcom BCM43xx wireless driver
   4
   5   Copyright (c) 2007 Michael Buesch <mb@bu3sch.de>
   6
   7   This program is free software; you can redistribute it and/or modify
   8   it under the terms of the GNU General Public License as published by
   9   the Free Software Foundation; either version 2 of the License, or
  10   (at your option) any later version.
  11
  12   This program is distributed in the hope that it will be useful,
  13   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15   GNU General Public License for more details.
  16
  17   You should have received a copy of the GNU General Public License
  18   along with this program; see the file COPYING.  If not, write to
  19   the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
  20   Boston, MA 02110-1301, USA.
  21
  22 */
  23
  24 #include <linux/ssb/ssb.h>
  25
  26 #include <pcmcia/cs_types.h>
  27 #include <pcmcia/cs.h>
  28 #include <pcmcia/cistpl.h>
  29 #include <pcmcia/ciscode.h>
  30 #include <pcmcia/ds.h>
  31 #include <pcmcia/cisreg.h>
  32
  33
  34 static /*const*/ struct pcmcia_device_id bcm43xx_pcmcia_tbl[] = {
  35         PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x448),
  36         PCMCIA_DEVICE_NULL,
  37 };
  38 MODULE_DEVICE_TABLE(pcmcia, bcm43xx_pcmcia_tbl);
  39
  40
  41 #ifdef CONFIG_PM
  42 static int bcm43xx_pcmcia_suspend(struct pcmcia_device *dev)
  43 {
  44         //TODO
  45         return 0;
  46 }
  47
  48 static int bcm43xx_pcmcia_resume(struct pcmcia_device *dev)
  49 {
  50         //TODO
  51         return 0;
  52 }
  53 #else /* CONFIG_PM */
  54 # define bcm43xx_pcmcia_suspend         NULL
  55 # define bcm43xx_pcmcia_resume          NULL
  56 #endif /* CONFIG_PM */
  57
  58 static int __devinit bcm43xx_pcmcia_probe(struct pcmcia_device *dev)
  59 {
  60         struct ssb_bus *ssb;
  61         win_req_t win;
  62         memreq_t mem;
  63         tuple_t tuple;
  64         cisparse_t parse;
  65         int err = -ENOMEM;
  66         int res;
  67         unsigned char buf[64];
  68
  69         ssb = kzalloc(sizeof(*ssb), GFP_KERNEL);
  70         if (!ssb)
  71                 goto out;
  72
  73         err = -ENODEV;
  74         tuple.DesiredTuple = CISTPL_CONFIG;
  75         tuple.Attributes = 0;
  76         tuple.TupleData = buf;
  77         tuple.TupleDataMax = sizeof(buf);
  78         tuple.TupleOffset = 0;
  79
  80         res = pcmcia_get_first_tuple(dev, &tuple);
  81         if (res != CS_SUCCESS)
  82                 goto err_kfree_ssb;
  83         res = pcmcia_get_tuple_data(dev, &tuple);
  84         if (res != CS_SUCCESS)
  85                 goto err_kfree_ssb;
  86         res = pcmcia_parse_tuple(dev, &tuple, &parse);
  87         if (res != CS_SUCCESS)
  88                 goto err_kfree_ssb;
  89
  90         dev->conf.ConfigBase = parse.config.base;
  91         dev->conf.Present = parse.config.rmask[0];
  92
  93         dev->io.BasePort2 = 0;
  94         dev->io.NumPorts2 = 0;
  95         dev->io.Attributes2 = 0;
  96
  97         win.Attributes = WIN_MEMORY_TYPE_CM | WIN_ENABLE | WIN_USE_WAIT;
  98         win.Base = 0;
  99         win.Size = SSB_CORE_SIZE;
 100         win.AccessSpeed = 1000;
 101         res = pcmcia_request_window(&dev, &win, &dev->win);
 102         if (res != CS_SUCCESS)
 103                 goto err_kfree_ssb;
 104
 105         mem.CardOffset = 0;
 106         mem.Page = 0;
 107         res = pcmcia_map_mem_page(dev->win, &mem);
 108         if (res != CS_SUCCESS)
 109                 goto err_kfree_ssb;
 110
 111         res = pcmcia_request_configuration(dev, &dev->conf);
 112         if (res != CS_SUCCESS)
 113                 goto err_disable;
 114
 115         err = ssb_bus_pcmciabus_register(ssb, dev, win.Base);
 116         dev->priv = ssb;
 117
 118 out:
 119         return err;
 120 err_disable:
 121         pcmcia_disable_device(dev);
 122 err_kfree_ssb:
 123         kfree(ssb);
 124         return err;
 125 }
 126
 127 static void __devexit bcm43xx_pcmcia_remove(struct pcmcia_device *dev)
 128 {
 129         struct ssb_bus *ssb = dev->priv;
 130
 131         ssb_bus_unregister(ssb);
 132         pcmcia_release_window(dev->win);
 133         pcmcia_disable_device(dev);
 134         kfree(ssb);
 135         dev->priv = NULL;
 136 }
 137
 138 static struct pcmcia_driver bcm43xx_pcmcia_driver = {
 139         .owner          = THIS_MODULE,
 140         .drv            = {
 141                 .name   = "bcm43xx-pcmcia",
 142         },
 143         .id_table       = bcm43xx_pcmcia_tbl,
 144         .probe          = bcm43xx_pcmcia_probe,
 145         .remove         = bcm43xx_pcmcia_remove,
 146         .suspend        = bcm43xx_pcmcia_suspend,
 147         .resume         = bcm43xx_pcmcia_resume,
 148 };
 149
 150 int bcm43xx_pcmcia_init(void)
 151 {
 152         return pcmcia_register_driver(&bcm43xx_pcmcia_driver);
 153 }
 154
 155 void bcm43xx_pcmcia_exit(void)
 156 {
 157         pcmcia_unregister_driver(&bcm43xx_pcmcia_driver);
 158 }