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/slab.h>
36#include <linux/platform_device.h>
37
38#include <pcmcia/ss.h>
39
40#include <asm/hardware/scoop.h>
41
42#include "sa1100_generic.h"
43
44int __init pcmcia_collie_init(struct device *dev);
45
46static int (*sa11x0_pcmcia_hw_init[])(struct device *dev) = {
47#ifdef CONFIG_SA1100_ASSABET
48	pcmcia_assabet_init,
49#endif
50#ifdef CONFIG_SA1100_CERF
51	pcmcia_cerf_init,
52#endif
53#if defined(CONFIG_SA1100_H3100) || defined(CONFIG_SA1100_H3600)
54	pcmcia_h3600_init,
55#endif
56#ifdef CONFIG_SA1100_NANOENGINE
57	pcmcia_nanoengine_init,
58#endif
59#ifdef CONFIG_SA1100_SHANNON
60	pcmcia_shannon_init,
61#endif
62#ifdef CONFIG_SA1100_SIMPAD
63	pcmcia_simpad_init,
64#endif
65#ifdef CONFIG_SA1100_COLLIE
66       pcmcia_collie_init,
67#endif
68};
69
70static int sa11x0_drv_pcmcia_probe(struct platform_device *dev)
71{
72	int i, ret = -ENODEV;
73
74	/*
75	 * Initialise any "on-board" PCMCIA sockets.
76	 */
77	for (i = 0; i < ARRAY_SIZE(sa11x0_pcmcia_hw_init); i++) {
78		ret = sa11x0_pcmcia_hw_init[i](&dev->dev);
79		if (ret == 0)
80			break;
81	}
82
83	return ret;
84}
85
86static int sa11x0_drv_pcmcia_remove(struct platform_device *dev)
87{
88	struct skt_dev_info *sinfo = platform_get_drvdata(dev);
89	int i;
90
91	platform_set_drvdata(dev, NULL);
92
93	for (i = 0; i < sinfo->nskt; i++)
94		soc_pcmcia_remove_one(&sinfo->skt[i]);
95
96	kfree(sinfo);
97	return 0;
98}
99
100static struct platform_driver sa11x0_pcmcia_driver = {
101	.driver = {
102		.name		= "sa11x0-pcmcia",
103	},
104	.probe		= sa11x0_drv_pcmcia_probe,
105	.remove		= sa11x0_drv_pcmcia_remove,
106};
107
108/* sa11x0_pcmcia_init()
109 * ^^^^^^^^^^^^^^^^^^^^
110 *
111 * This routine performs low-level PCMCIA initialization and then
112 * registers this socket driver with Card Services.
113 *
114 * Returns: 0 on success, -ve error code on failure
115 */
116static int __init sa11x0_pcmcia_init(void)
117{
118	return platform_driver_register(&sa11x0_pcmcia_driver);
119}
120
121/* sa11x0_pcmcia_exit()
122 * ^^^^^^^^^^^^^^^^^^^^
123 * Invokes the low-level kernel service to free IRQs associated with this
124 * socket controller and reset GPIO edge detection.
125 */
126static void __exit sa11x0_pcmcia_exit(void)
127{
128	platform_driver_unregister(&sa11x0_pcmcia_driver);
129}
130
131MODULE_AUTHOR("John Dorsey <john+@cs.cmu.edu>");
132MODULE_DESCRIPTION("Linux PCMCIA Card Services: SA-11x0 Socket Controller");
133MODULE_LICENSE("Dual MPL/GPL");
134
135fs_initcall(sa11x0_pcmcia_init);
136module_exit(sa11x0_pcmcia_exit);
137