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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> | |
35 | #include <linux/config.h> | |
36 | ||
1da177e4 LT |
37 | #include <pcmcia/cs_types.h> |
38 | #include <pcmcia/cs.h> | |
39 | #include <pcmcia/ss.h> | |
40 | ||
41 | #include "sa1100_generic.h" | |
42 | ||
43 | static int (*sa11x0_pcmcia_hw_init[])(struct device *dev) = { | |
44 | #ifdef CONFIG_SA1100_ASSABET | |
45 | pcmcia_assabet_init, | |
46 | #endif | |
47 | #ifdef CONFIG_SA1100_CERF | |
48 | pcmcia_cerf_init, | |
49 | #endif | |
50 | #ifdef CONFIG_SA1100_H3600 | |
51 | pcmcia_h3600_init, | |
52 | #endif | |
53 | #ifdef CONFIG_SA1100_SHANNON | |
54 | pcmcia_shannon_init, | |
55 | #endif | |
56 | #ifdef CONFIG_SA1100_SIMPAD | |
57 | pcmcia_simpad_init, | |
58 | #endif | |
59 | }; | |
60 | ||
61 | static int sa11x0_drv_pcmcia_probe(struct device *dev) | |
62 | { | |
63 | int i, ret = -ENODEV; | |
64 | ||
65 | /* | |
66 | * Initialise any "on-board" PCMCIA sockets. | |
67 | */ | |
68 | for (i = 0; i < ARRAY_SIZE(sa11x0_pcmcia_hw_init); i++) { | |
69 | ret = sa11x0_pcmcia_hw_init[i](dev); | |
70 | if (ret == 0) | |
71 | break; | |
72 | } | |
73 | ||
74 | return ret; | |
75 | } | |
76 | ||
8bf28030 | 77 | static int sa11x0_drv_pcmcia_suspend(struct device *dev, pm_message_t state, u32 level) |
1da177e4 LT |
78 | { |
79 | int ret = 0; | |
80 | if (level == SUSPEND_SAVE_STATE) | |
81 | ret = pcmcia_socket_dev_suspend(dev, state); | |
82 | return ret; | |
83 | } | |
84 | ||
85 | static int sa11x0_drv_pcmcia_resume(struct device *dev, u32 level) | |
86 | { | |
87 | int ret = 0; | |
88 | if (level == RESUME_RESTORE_STATE) | |
89 | ret = pcmcia_socket_dev_resume(dev); | |
90 | return ret; | |
91 | } | |
92 | ||
93 | static struct device_driver sa11x0_pcmcia_driver = { | |
94 | .probe = sa11x0_drv_pcmcia_probe, | |
95 | .remove = soc_common_drv_pcmcia_remove, | |
96 | .name = "sa11x0-pcmcia", | |
97 | .bus = &platform_bus_type, | |
98 | .suspend = sa11x0_drv_pcmcia_suspend, | |
99 | .resume = sa11x0_drv_pcmcia_resume, | |
100 | }; | |
101 | ||
102 | /* sa11x0_pcmcia_init() | |
103 | * ^^^^^^^^^^^^^^^^^^^^ | |
104 | * | |
105 | * This routine performs low-level PCMCIA initialization and then | |
106 | * registers this socket driver with Card Services. | |
107 | * | |
108 | * Returns: 0 on success, -ve error code on failure | |
109 | */ | |
110 | static int __init sa11x0_pcmcia_init(void) | |
111 | { | |
112 | return driver_register(&sa11x0_pcmcia_driver); | |
113 | } | |
114 | ||
115 | /* sa11x0_pcmcia_exit() | |
116 | * ^^^^^^^^^^^^^^^^^^^^ | |
117 | * Invokes the low-level kernel service to free IRQs associated with this | |
118 | * socket controller and reset GPIO edge detection. | |
119 | */ | |
120 | static void __exit sa11x0_pcmcia_exit(void) | |
121 | { | |
122 | driver_unregister(&sa11x0_pcmcia_driver); | |
123 | } | |
124 | ||
125 | MODULE_AUTHOR("John Dorsey <john+@cs.cmu.edu>"); | |
126 | MODULE_DESCRIPTION("Linux PCMCIA Card Services: SA-11x0 Socket Controller"); | |
127 | MODULE_LICENSE("Dual MPL/GPL"); | |
128 | ||
f36598ae | 129 | fs_initcall(sa11x0_pcmcia_init); |
1da177e4 | 130 | module_exit(sa11x0_pcmcia_exit); |