linux/drivers/pcmcia/sa1100_generic.c
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   1/*======================================================================
   2
   3    Device driver for the PCMCIA control functionality of StrongARM
   4    SA-1100 microprocessors.
   5
   6    The contents of this file are subject to the Mozilla Public
   7    License Version 1.1 (the "License"); you may not use this file
   8    except in compliance with the License. You may obtain a copy of
   9    the License at http://www.mozilla.org/MPL/
  10
  11    Software distributed under the License is distributed on an "AS
  12    IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
  13    implied. See the License for the specific language governing
  14    rights and limitations under the License.
  15
  16    The initial developer of the original code is John G. Dorsey
  17    <john+@cs.cmu.edu>.  Portions created by John G. Dorsey are
  18    Copyright (C) 1999 John G. Dorsey.  All Rights Reserved.
  19
  20    Alternatively, the contents of this file may be used under the
  21    terms of the GNU Public License version 2 (the "GPL"), in which
  22    case the provisions of the GPL are applicable instead of the
  23    above.  If you wish to allow the use of your version of this file
  24    only under the terms of the GPL and not to allow others to use
  25    your version of this file under the MPL, indicate your decision
  26    by deleting the provisions above and replace them with the notice
  27    and other provisions required by the GPL.  If you do not delete
  28    the provisions above, a recipient may use your version of this
  29    file under either the MPL or the GPL.
  30    
  31======================================================================*/
  32
  33#include <linux/module.h>
  34#include <linux/init.h>
  35#include <linux/platform_device.h>
  36
  37#include <pcmcia/cs_types.h>
  38#include <pcmcia/cs.h>
  39#include <pcmcia/ss.h>
  40
  41#include <asm/hardware/scoop.h>
  42
  43#include "sa1100_generic.h"
  44
  45int __init pcmcia_collie_init(struct device *dev);
  46
  47static int (*sa11x0_pcmcia_hw_init[])(struct device *dev) = {
  48#ifdef CONFIG_SA1100_ASSABET
  49        pcmcia_assabet_init,
  50#endif
  51#ifdef CONFIG_SA1100_CERF
  52        pcmcia_cerf_init,
  53#endif
  54#ifdef CONFIG_SA1100_H3600
  55        pcmcia_h3600_init,
  56#endif
  57#ifdef CONFIG_SA1100_SHANNON
  58        pcmcia_shannon_init,
  59#endif
  60#ifdef CONFIG_SA1100_SIMPAD
  61        pcmcia_simpad_init,
  62#endif
  63#ifdef CONFIG_SA1100_COLLIE
  64       pcmcia_collie_init,
  65#endif
  66};
  67
  68static int sa11x0_drv_pcmcia_probe(struct device *dev)
  69{
  70        int i, ret = -ENODEV;
  71
  72        /*
  73         * Initialise any "on-board" PCMCIA sockets.
  74         */
  75        for (i = 0; i < ARRAY_SIZE(sa11x0_pcmcia_hw_init); i++) {
  76                ret = sa11x0_pcmcia_hw_init[i](dev);
  77                if (ret == 0)
  78                        break;
  79        }
  80
  81        return ret;
  82}
  83
  84static struct device_driver sa11x0_pcmcia_driver = {
  85        .probe          = sa11x0_drv_pcmcia_probe,
  86        .remove         = soc_common_drv_pcmcia_remove,
  87        .name           = "sa11x0-pcmcia",
  88        .bus            = &platform_bus_type,
  89        .suspend        = pcmcia_socket_dev_suspend,
  90        .resume         = pcmcia_socket_dev_resume,
  91};
  92
  93/* sa11x0_pcmcia_init()
  94 * ^^^^^^^^^^^^^^^^^^^^
  95 *
  96 * This routine performs low-level PCMCIA initialization and then
  97 * registers this socket driver with Card Services.
  98 *
  99 * Returns: 0 on success, -ve error code on failure
 100 */
 101static int __init sa11x0_pcmcia_init(void)
 102{
 103        return driver_register(&sa11x0_pcmcia_driver);
 104}
 105
 106/* sa11x0_pcmcia_exit()
 107 * ^^^^^^^^^^^^^^^^^^^^
 108 * Invokes the low-level kernel service to free IRQs associated with this
 109 * socket controller and reset GPIO edge detection.
 110 */
 111static void __exit sa11x0_pcmcia_exit(void)
 112{
 113        driver_unregister(&sa11x0_pcmcia_driver);
 114}
 115
 116MODULE_AUTHOR("John Dorsey <john+@cs.cmu.edu>");
 117MODULE_DESCRIPTION("Linux PCMCIA Card Services: SA-11x0 Socket Controller");
 118MODULE_LICENSE("Dual MPL/GPL");
 119
 120fs_initcall(sa11x0_pcmcia_init);
 121module_exit(sa11x0_pcmcia_exit);
 122