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1da177e4 LT |
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> | |
d052d1be | 35 | #include <linux/platform_device.h> |
1da177e4 | 36 | |
1da177e4 LT |
37 | #include <pcmcia/cs_types.h> |
38 | #include <pcmcia/cs.h> | |
39 | #include <pcmcia/ss.h> | |
40 | ||
77bb86a1 PM |
41 | #include <asm/hardware/scoop.h> |
42 | ||
1da177e4 LT |
43 | #include "sa1100_generic.h" |
44 | ||
77bb86a1 PM |
45 | int __init pcmcia_collie_init(struct device *dev); |
46 | ||
1da177e4 LT |
47 | static 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 | |
77bb86a1 PM |
63 | #ifdef CONFIG_SA1100_COLLIE |
64 | pcmcia_collie_init, | |
65 | #endif | |
1da177e4 LT |
66 | }; |
67 | ||
7a192ec3 | 68 | static int sa11x0_drv_pcmcia_probe(struct platform_device *dev) |
1da177e4 LT |
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++) { | |
7a192ec3 | 76 | ret = sa11x0_pcmcia_hw_init[i](&dev->dev); |
1da177e4 LT |
77 | if (ret == 0) |
78 | break; | |
79 | } | |
80 | ||
81 | return ret; | |
82 | } | |
83 | ||
7a192ec3 ML |
84 | static int sa11x0_drv_pcmcia_remove(struct platform_device *dev) |
85 | { | |
be85458e RKAL |
86 | struct skt_dev_info *sinfo = platform_get_drvdata(dev); |
87 | int i; | |
88 | ||
89 | platform_set_drvdata(dev, NULL); | |
90 | ||
91 | for (i = 0; i < sinfo->nskt; i++) | |
92 | soc_pcmcia_remove_one(&sinfo->skt[i]); | |
93 | ||
94 | kfree(sinfo); | |
95 | return 0; | |
7a192ec3 ML |
96 | } |
97 | ||
98 | static int sa11x0_drv_pcmcia_suspend(struct platform_device *dev, | |
99 | pm_message_t state) | |
100 | { | |
827b4649 | 101 | return pcmcia_socket_dev_suspend(&dev->dev); |
7a192ec3 ML |
102 | } |
103 | ||
104 | static int sa11x0_drv_pcmcia_resume(struct platform_device *dev) | |
105 | { | |
106 | return pcmcia_socket_dev_resume(&dev->dev); | |
107 | } | |
108 | ||
109 | static struct platform_driver sa11x0_pcmcia_driver = { | |
110 | .driver = { | |
111 | .name = "sa11x0-pcmcia", | |
112 | .owner = THIS_MODULE, | |
113 | }, | |
1da177e4 | 114 | .probe = sa11x0_drv_pcmcia_probe, |
7a192ec3 ML |
115 | .remove = sa11x0_drv_pcmcia_remove, |
116 | .suspend = sa11x0_drv_pcmcia_suspend, | |
117 | .resume = sa11x0_drv_pcmcia_resume, | |
1da177e4 LT |
118 | }; |
119 | ||
120 | /* sa11x0_pcmcia_init() | |
121 | * ^^^^^^^^^^^^^^^^^^^^ | |
122 | * | |
123 | * This routine performs low-level PCMCIA initialization and then | |
124 | * registers this socket driver with Card Services. | |
125 | * | |
126 | * Returns: 0 on success, -ve error code on failure | |
127 | */ | |
128 | static int __init sa11x0_pcmcia_init(void) | |
129 | { | |
7a192ec3 | 130 | return platform_driver_register(&sa11x0_pcmcia_driver); |
1da177e4 LT |
131 | } |
132 | ||
133 | /* sa11x0_pcmcia_exit() | |
134 | * ^^^^^^^^^^^^^^^^^^^^ | |
135 | * Invokes the low-level kernel service to free IRQs associated with this | |
136 | * socket controller and reset GPIO edge detection. | |
137 | */ | |
138 | static void __exit sa11x0_pcmcia_exit(void) | |
139 | { | |
7a192ec3 | 140 | platform_driver_unregister(&sa11x0_pcmcia_driver); |
1da177e4 LT |
141 | } |
142 | ||
143 | MODULE_AUTHOR("John Dorsey <john+@cs.cmu.edu>"); | |
144 | MODULE_DESCRIPTION("Linux PCMCIA Card Services: SA-11x0 Socket Controller"); | |
145 | MODULE_LICENSE("Dual MPL/GPL"); | |
146 | ||
f36598ae | 147 | fs_initcall(sa11x0_pcmcia_init); |
1da177e4 | 148 | module_exit(sa11x0_pcmcia_exit); |