1 /*======================================================================
3 Device driver for the PCMCIA control functionality of StrongARM
4 SA-1100 microprocessors.
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/
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.
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.
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.
31 ======================================================================*/
33 #include <linux/module.h>
34 #include <linux/init.h>
35 #include <linux/config.h>
37 #include <pcmcia/cs_types.h>
38 #include <pcmcia/cs.h>
39 #include <pcmcia/ss.h>
41 #include "sa1100_generic.h"
43 static int (*sa11x0_pcmcia_hw_init[])(struct device *dev) = {
44 #ifdef CONFIG_SA1100_ASSABET
47 #ifdef CONFIG_SA1100_CERF
50 #ifdef CONFIG_SA1100_H3600
53 #ifdef CONFIG_SA1100_SHANNON
56 #ifdef CONFIG_SA1100_SIMPAD
61 static int sa11x0_drv_pcmcia_probe(struct device *dev)
66 * Initialise any "on-board" PCMCIA sockets.
68 for (i = 0; i < ARRAY_SIZE(sa11x0_pcmcia_hw_init); i++) {
69 ret = sa11x0_pcmcia_hw_init[i](dev);
77 static int sa11x0_drv_pcmcia_suspend(struct device *dev, pm_message_t state, u32 level)
80 if (level == SUSPEND_SAVE_STATE)
81 ret = pcmcia_socket_dev_suspend(dev, state);
85 static int sa11x0_drv_pcmcia_resume(struct device *dev, u32 level)
88 if (level == RESUME_RESTORE_STATE)
89 ret = pcmcia_socket_dev_resume(dev);
93 static struct device_driver sa11x0_pcmcia_driver = {
94 .probe = sa11x0_drv_pcmcia_probe,
95 .remove = soc_common_drv_pcmcia_remove,
96 .name = "sa11x0-pcmcia",
97 .bus = &platform_bus_type,
98 .suspend = sa11x0_drv_pcmcia_suspend,
99 .resume = sa11x0_drv_pcmcia_resume,
102 /* sa11x0_pcmcia_init()
103 * ^^^^^^^^^^^^^^^^^^^^
105 * This routine performs low-level PCMCIA initialization and then
106 * registers this socket driver with Card Services.
108 * Returns: 0 on success, -ve error code on failure
110 static int __init sa11x0_pcmcia_init(void)
112 return driver_register(&sa11x0_pcmcia_driver);
115 /* sa11x0_pcmcia_exit()
116 * ^^^^^^^^^^^^^^^^^^^^
117 * Invokes the low-level kernel service to free IRQs associated with this
118 * socket controller and reset GPIO edge detection.
120 static void __exit sa11x0_pcmcia_exit(void)
122 driver_unregister(&sa11x0_pcmcia_driver);
125 MODULE_AUTHOR("John Dorsey <john+@cs.cmu.edu>");
126 MODULE_DESCRIPTION("Linux PCMCIA Card Services: SA-11x0 Socket Controller");
127 MODULE_LICENSE("Dual MPL/GPL");
129 module_init(sa11x0_pcmcia_init);
130 module_exit(sa11x0_pcmcia_exit);