tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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/cs_types.h>
39#include <pcmcia/cs.h>
40#include <pcmcia/ss.h>
41
42#include <asm/hardware/scoop.h>
43
44#include "sa1100_generic.h"
45
46int __init pcmcia_collie_init(struct device *dev);
47
48static int (*sa11x0_pcmcia_hw_init[])(struct device *dev) = {
49#ifdef CONFIG_SA1100_ASSABET
50 pcmcia_assabet_init,
51#endif
52#ifdef CONFIG_SA1100_CERF
53 pcmcia_cerf_init,
54#endif
55#if defined(CONFIG_SA1100_H3100) || defined(CONFIG_SA1100_H3600)
56 pcmcia_h3600_init,
57#endif
58#ifdef CONFIG_SA1100_SHANNON
59 pcmcia_shannon_init,
60#endif
61#ifdef CONFIG_SA1100_SIMPAD
62 pcmcia_simpad_init,
63#endif
64#ifdef CONFIG_SA1100_COLLIE
65 pcmcia_collie_init,
66#endif
67};
68
69static int sa11x0_drv_pcmcia_probe(struct platform_device *dev)
70{
71 int i, ret = -ENODEV;
72
73 /*
74 * Initialise any "on-board" PCMCIA sockets.
75 */
76 for (i = 0; i < ARRAY_SIZE(sa11x0_pcmcia_hw_init); i++) {
77 ret = sa11x0_pcmcia_hw_init[i](&dev->dev);
78 if (ret == 0)
79 break;
80 }
81
82 return ret;
83}
84
85static int sa11x0_drv_pcmcia_remove(struct platform_device *dev)
86{
87 struct skt_dev_info *sinfo = platform_get_drvdata(dev);
88 int i;
89
90 platform_set_drvdata(dev, NULL);
91
92 for (i = 0; i < sinfo->nskt; i++)
93 soc_pcmcia_remove_one(&sinfo->skt[i]);
94
95 kfree(sinfo);
96 return 0;
97}
98
99static struct platform_driver sa11x0_pcmcia_driver = {
100 .driver = {
101 .name = "sa11x0-pcmcia",
102 .owner = THIS_MODULE,
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);