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) = { 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 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 return 0; 97 } 98 99 static struct platform_driver sa11x0_pcmcia_driver = { 100 .driver = { 101 .name = "sa11x0-pcmcia", 102 }, 103 .probe = sa11x0_drv_pcmcia_probe, 104 .remove = sa11x0_drv_pcmcia_remove, 105 }; 106 107 /* sa11x0_pcmcia_init() 108 * ^^^^^^^^^^^^^^^^^^^^ 109 * 110 * This routine performs low-level PCMCIA initialization and then 111 * registers this socket driver with Card Services. 112 * 113 * Returns: 0 on success, -ve error code on failure 114 */ 115 static int __init sa11x0_pcmcia_init(void) 116 { 117 return platform_driver_register(&sa11x0_pcmcia_driver); 118 } 119 120 /* sa11x0_pcmcia_exit() 121 * ^^^^^^^^^^^^^^^^^^^^ 122 * Invokes the low-level kernel service to free IRQs associated with this 123 * socket controller and reset GPIO edge detection. 124 */ 125 static void __exit sa11x0_pcmcia_exit(void) 126 { 127 platform_driver_unregister(&sa11x0_pcmcia_driver); 128 } 129 130 MODULE_AUTHOR("John Dorsey <john+@cs.cmu.edu>"); 131 MODULE_DESCRIPTION("Linux PCMCIA Card Services: SA-11x0 Socket Controller"); 132 MODULE_LICENSE("Dual MPL/GPL"); 133 134 fs_initcall(sa11x0_pcmcia_init); 135 module_exit(sa11x0_pcmcia_exit); 136