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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*======================================================================
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>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090035#include <linux/slab.h>
Russell Kingd052d1b2005-10-29 19:07:23 +010036#include <linux/platform_device.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070037
Linus Torvalds1da177e2005-04-16 15:20:36 -070038#include <pcmcia/ss.h>
39
Pavel Machek77bb86a2005-10-30 23:39:02 +000040#include <asm/hardware/scoop.h>
41
Linus Torvalds1da177e2005-04-16 15:20:36 -070042#include "sa1100_generic.h"
43
Pavel Machek77bb86a2005-10-30 23:39:02 +000044int __init pcmcia_collie_init(struct device *dev);
45
Bill Pemberton21fb7672012-11-19 13:24:26 -050046static int (*sa11x0_pcmcia_hw_init[])(struct device *dev) = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070047#ifdef CONFIG_SA1100_ASSABET
48 pcmcia_assabet_init,
49#endif
50#ifdef CONFIG_SA1100_CERF
51 pcmcia_cerf_init,
52#endif
Dmitry Artamonowe7435f82009-11-27 12:13:47 +010053#if defined(CONFIG_SA1100_H3100) || defined(CONFIG_SA1100_H3600)
Linus Torvalds1da177e2005-04-16 15:20:36 -070054 pcmcia_h3600_init,
55#endif
Marcelo Roberto Jimenezfa876722010-10-18 22:41:29 +010056#ifdef CONFIG_SA1100_NANOENGINE
57 pcmcia_nanoengine_init,
58#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070059#ifdef CONFIG_SA1100_SHANNON
60 pcmcia_shannon_init,
61#endif
62#ifdef CONFIG_SA1100_SIMPAD
63 pcmcia_simpad_init,
64#endif
Pavel Machek77bb86a2005-10-30 23:39:02 +000065#ifdef CONFIG_SA1100_COLLIE
66 pcmcia_collie_init,
67#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070068};
69
Bill Pemberton34cdf252012-11-19 13:23:12 -050070static int sa11x0_drv_pcmcia_probe(struct platform_device *dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -070071{
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++) {
Ming Lei7a192ec2009-02-06 23:40:12 +080078 ret = sa11x0_pcmcia_hw_init[i](&dev->dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -070079 if (ret == 0)
80 break;
81 }
82
83 return ret;
84}
85
Ming Lei7a192ec2009-02-06 23:40:12 +080086static int sa11x0_drv_pcmcia_remove(struct platform_device *dev)
87{
Russell King - ARM Linuxbe854582009-03-26 22:21:18 +000088 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
Dmitry Eremin-Solenikov86d88bf2014-12-03 18:42:51 +010096 clk_put(sinfo->clk);
Russell King - ARM Linuxbe854582009-03-26 22:21:18 +000097 kfree(sinfo);
98 return 0;
Ming Lei7a192ec2009-02-06 23:40:12 +080099}
100
Ming Lei7a192ec2009-02-06 23:40:12 +0800101static struct platform_driver sa11x0_pcmcia_driver = {
102 .driver = {
103 .name = "sa11x0-pcmcia",
Ming Lei7a192ec2009-02-06 23:40:12 +0800104 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105 .probe = sa11x0_drv_pcmcia_probe,
Ming Lei7a192ec2009-02-06 23:40:12 +0800106 .remove = sa11x0_drv_pcmcia_remove,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700107};
108
109/* sa11x0_pcmcia_init()
110 * ^^^^^^^^^^^^^^^^^^^^
111 *
112 * This routine performs low-level PCMCIA initialization and then
113 * registers this socket driver with Card Services.
114 *
115 * Returns: 0 on success, -ve error code on failure
116 */
117static int __init sa11x0_pcmcia_init(void)
118{
Ming Lei7a192ec2009-02-06 23:40:12 +0800119 return platform_driver_register(&sa11x0_pcmcia_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120}
121
122/* sa11x0_pcmcia_exit()
123 * ^^^^^^^^^^^^^^^^^^^^
124 * Invokes the low-level kernel service to free IRQs associated with this
125 * socket controller and reset GPIO edge detection.
126 */
127static void __exit sa11x0_pcmcia_exit(void)
128{
Ming Lei7a192ec2009-02-06 23:40:12 +0800129 platform_driver_unregister(&sa11x0_pcmcia_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700130}
131
132MODULE_AUTHOR("John Dorsey <john+@cs.cmu.edu>");
133MODULE_DESCRIPTION("Linux PCMCIA Card Services: SA-11x0 Socket Controller");
134MODULE_LICENSE("Dual MPL/GPL");
135
Richard Purdief36598ae2005-09-03 19:39:25 +0100136fs_initcall(sa11x0_pcmcia_init);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700137module_exit(sa11x0_pcmcia_exit);