1 /*---------------------------------------------------------------------------
2    FT1000 driver for Flarion Flash OFDM NIC Device
3 
4    Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
5    Copyright (C) 2002 Flarion Technologies, All rights reserved.
6    Copyright (C) 2006 Patrik Ostrihon, All rights reserved.
7    Copyright (C) 2006 ProWeb Consulting, a.s, All rights reserved.
8 
9    The initial developer of the original code is David A. Hinds
10    <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds.
11 
12    This file was modified to support the Flarion Flash OFDM NIC Device
13    by Wai Chan (w.chan@flarion.com).
14 
15    Port for kernel 2.6 created by Patrik Ostrihon (patrik.ostrihon@pwc.sk)
16 
17    This program is free software; you can redistribute it and/or modify it
18    under the terms of the GNU General Public License as published by the Free
19    Software Foundation; either version 2 of the License, or (at your option) any
20    later version. This program is distributed in the hope that it will be useful,
21    but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
22    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
23    more details. You should have received a copy of the GNU General Public
24    License along with this program; if not, write to the
25    Free Software Foundation, Inc., 59 Temple Place -
26    Suite 330, Boston, MA 02111-1307, USA.
27 -----------------------------------------------------------------------------*/
28 
29 #include <linux/kernel.h>
30 #include <linux/module.h>
31 #include <linux/init.h>
32 #include <linux/netdevice.h>
33 #include <pcmcia/cistpl.h>
34 #include <pcmcia/ds.h>
35 
36 /*====================================================================*/
37 
38 MODULE_AUTHOR("Wai Chan");
39 MODULE_DESCRIPTION("FT1000 PCMCIA driver");
40 MODULE_LICENSE("GPL");
41 
42 /*====================================================================*/
43 
44 static int ft1000_config(struct pcmcia_device *link);
45 static void ft1000_detach(struct pcmcia_device *link);
46 static int ft1000_attach(struct pcmcia_device *link);
47 
48 #include "ft1000.h"
49 
50 /*====================================================================*/
51 
ft1000_reset(struct pcmcia_device * link)52 static void ft1000_reset(struct pcmcia_device *link)
53 {
54 	pcmcia_reset_card(link->socket);
55 }
56 
ft1000_attach(struct pcmcia_device * link)57 static int ft1000_attach(struct pcmcia_device *link)
58 {
59 	link->priv = NULL;
60 	link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;
61 
62 	return ft1000_config(link);
63 }
64 
ft1000_detach(struct pcmcia_device * link)65 static void ft1000_detach(struct pcmcia_device *link)
66 {
67 	struct net_device *dev = link->priv;
68 
69 	if (dev)
70 		stop_ft1000_card(dev);
71 
72 	pcmcia_disable_device(link);
73 	free_netdev(dev);
74 }
75 
ft1000_confcheck(struct pcmcia_device * link,void * priv_data)76 static int ft1000_confcheck(struct pcmcia_device *link, void *priv_data)
77 {
78 	return pcmcia_request_io(link);
79 }
80 
81 /*======================================================================
82 
83     ft1000_config() is scheduled to run after a CARD_INSERTION event
84     is received, to configure the PCMCIA socket, and to make the
85     device available to the system.
86 
87 ======================================================================*/
88 
ft1000_config(struct pcmcia_device * link)89 static int ft1000_config(struct pcmcia_device *link)
90 {
91 	int ret;
92 
93 	dev_dbg(&link->dev, "ft1000_cs: ft1000_config(0x%p)\n", link);
94 
95 	/* setup IO window */
96 	ret = pcmcia_loop_config(link, ft1000_confcheck, NULL);
97 	if (ret) {
98 		printk(KERN_INFO "ft1000: Could not configure pcmcia\n");
99 		return -ENODEV;
100 	}
101 
102 	/* configure device */
103 	ret = pcmcia_enable_device(link);
104 	if (ret) {
105 		printk(KERN_INFO "ft1000: could not enable pcmcia\n");
106 		goto failed;
107 	}
108 
109 	link->priv = init_ft1000_card(link, &ft1000_reset);
110 	if (!link->priv) {
111 		printk(KERN_INFO "ft1000: Could not register as network device\n");
112 		goto failed;
113 	}
114 
115 	/* Finally, report what we've done */
116 
117 	return 0;
118 failed:
119 	pcmcia_disable_device(link);
120 	return -ENODEV;
121 }
122 
ft1000_suspend(struct pcmcia_device * link)123 static int ft1000_suspend(struct pcmcia_device *link)
124 {
125 	struct net_device *dev = link->priv;
126 
127 	if (link->open)
128 		netif_device_detach(dev);
129 	return 0;
130 }
131 
ft1000_resume(struct pcmcia_device * link)132 static int ft1000_resume(struct pcmcia_device *link)
133 {
134 	return 0;
135 }
136 
137 /*====================================================================*/
138 
139 static const struct pcmcia_device_id ft1000_ids[] = {
140 	PCMCIA_DEVICE_MANF_CARD(0x02cc, 0x0100),
141 	PCMCIA_DEVICE_MANF_CARD(0x02cc, 0x1000),
142 	PCMCIA_DEVICE_MANF_CARD(0x02cc, 0x1300),
143 	PCMCIA_DEVICE_NULL,
144 };
145 
146 MODULE_DEVICE_TABLE(pcmcia, ft1000_ids);
147 
148 static struct pcmcia_driver ft1000_cs_driver = {
149 	.owner		= THIS_MODULE,
150 	.name		= "ft1000_cs",
151 	.probe		= ft1000_attach,
152 	.remove		= ft1000_detach,
153 	.id_table	= ft1000_ids,
154 	.suspend	= ft1000_suspend,
155 	.resume		= ft1000_resume,
156 };
157 
init_ft1000_cs(void)158 static int __init init_ft1000_cs(void)
159 {
160 	return pcmcia_register_driver(&ft1000_cs_driver);
161 }
162 
exit_ft1000_cs(void)163 static void __exit exit_ft1000_cs(void)
164 {
165 	pcmcia_unregister_driver(&ft1000_cs_driver);
166 }
167 
168 module_init(init_ft1000_cs);
169 module_exit(exit_ft1000_cs);
170