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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 | |
44 | int __init pcmcia_collie_init(struct device *dev); |
45 | |
46 | static int (*sa11x0_pcmcia_hw_init[])(struct device *dev) __devinitdata = { |
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 | |
70 | static int __devinit 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 | |
86 | static 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 | |
100 | static struct platform_driver sa11x0_pcmcia_driver = { |
101 | .driver = { |
102 | .name = "sa11x0-pcmcia", |
103 | .owner = THIS_MODULE, |
104 | }, |
105 | .probe = sa11x0_drv_pcmcia_probe, |
106 | .remove = sa11x0_drv_pcmcia_remove, |
107 | }; |
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 | */ |
117 | static int __init sa11x0_pcmcia_init(void) |
118 | { |
119 | return platform_driver_register(&sa11x0_pcmcia_driver); |
120 | } |
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 | */ |
127 | static void __exit sa11x0_pcmcia_exit(void) |
128 | { |
129 | platform_driver_unregister(&sa11x0_pcmcia_driver); |
130 | } |
131 | |
132 | MODULE_AUTHOR("John Dorsey <john+@cs.cmu.edu>"); |
133 | MODULE_DESCRIPTION("Linux PCMCIA Card Services: SA-11x0 Socket Controller"); |
134 | MODULE_LICENSE("Dual MPL/GPL"); |
135 | |
136 | fs_initcall(sa11x0_pcmcia_init); |
137 | module_exit(sa11x0_pcmcia_exit); |
138 |
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