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