blob: 787ebdeae31032b853e6e2fce73750f4bf5e4e91 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*======================================================================
2
3 A driver for PCMCIA parallel port adapters
4
5 (specifically, for the Quatech SPP-100 EPP card: other cards will
6 probably require driver tweaks)
7
8 parport_cs.c 1.29 2002/10/11 06:57:41
9
10 The contents of this file are subject to the Mozilla Public
11 License Version 1.1 (the "License"); you may not use this file
12 except in compliance with the License. You may obtain a copy of
13 the License at http://www.mozilla.org/MPL/
14
15 Software distributed under the License is distributed on an "AS
16 IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
17 implied. See the License for the specific language governing
18 rights and limitations under the License.
19
20 The initial developer of the original code is David A. Hinds
21 <dahinds@users.sourceforge.net>. Portions created by David A. Hinds
22 are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
23
24 Alternatively, the contents of this file may be used under the
25 terms of the GNU General Public License version 2 (the "GPL"), in
26 which case the provisions of the GPL are applicable instead of the
27 above. If you wish to allow the use of your version of this file
28 only under the terms of the GPL and not to allow others to use
29 your version of this file under the MPL, indicate your decision
30 by deleting the provisions above and replace them with the notice
31 and other provisions required by the GPL. If you do not delete
32 the provisions above, a recipient may use your version of this
33 file under either the MPL or the GPL.
34
35======================================================================*/
36
37#include <linux/kernel.h>
38#include <linux/module.h>
39#include <linux/init.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070040#include <linux/ptrace.h>
41#include <linux/slab.h>
42#include <linux/string.h>
43#include <linux/timer.h>
44#include <linux/ioport.h>
45#include <linux/major.h>
Alan Cox51dcdfe2009-04-07 15:30:57 +010046#include <linux/interrupt.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070047
48#include <linux/parport.h>
49#include <linux/parport_pc.h>
50
Linus Torvalds1da177e2005-04-16 15:20:36 -070051#include <pcmcia/cistpl.h>
52#include <pcmcia/ds.h>
53#include <pcmcia/cisreg.h>
54#include <pcmcia/ciscode.h>
55
56/*====================================================================*/
57
58/* Module parameters */
59
60MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
61MODULE_DESCRIPTION("PCMCIA parallel port card driver");
62MODULE_LICENSE("Dual MPL/GPL");
63
64#define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0)
65
66INT_MODULE_PARM(epp_mode, 1);
67
Linus Torvalds1da177e2005-04-16 15:20:36 -070068
69/*====================================================================*/
70
71#define FORCE_EPP_MODE 0x08
72
73typedef struct parport_info_t {
Dominik Brodowskifd238232006-03-05 10:45:09 +010074 struct pcmcia_device *p_dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -070075 int ndev;
Linus Torvalds1da177e2005-04-16 15:20:36 -070076 struct parport *port;
77} parport_info_t;
78
Dominik Brodowskicc3b4862005-11-14 21:23:14 +010079static void parport_detach(struct pcmcia_device *p_dev);
Dominik Brodowski15b99ac2006-03-31 17:26:06 +020080static int parport_config(struct pcmcia_device *link);
Dominik Brodowskifba395e2006-03-31 17:21:06 +020081static void parport_cs_release(struct pcmcia_device *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070082
Dominik Brodowski15b99ac2006-03-31 17:26:06 +020083static int parport_probe(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -070084{
85 parport_info_t *info;
Dominik Brodowskif8cfa612005-11-14 21:25:51 +010086
Dominik Brodowski9b44de22009-10-24 15:55:39 +020087 dev_dbg(&link->dev, "parport_attach()\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -070088
89 /* Create new parport device */
Yoann Padioleaudd00cc42007-07-19 01:49:03 -070090 info = kzalloc(sizeof(*info), GFP_KERNEL);
Dominik Brodowskif8cfa612005-11-14 21:25:51 +010091 if (!info) return -ENOMEM;
Dominik Brodowskifd238232006-03-05 10:45:09 +010092 link->priv = info;
Dominik Brodowskifba395e2006-03-31 17:21:06 +020093 info->p_dev = link;
Linus Torvalds1da177e2005-04-16 15:20:36 -070094
Dominik Brodowski00990e72010-07-30 13:13:46 +020095 link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;
Dominik Brodowskif8cfa612005-11-14 21:25:51 +010096
Dominik Brodowski15b99ac2006-03-31 17:26:06 +020097 return parport_config(link);
Linus Torvalds1da177e2005-04-16 15:20:36 -070098} /* parport_attach */
99
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200100static void parport_detach(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700101{
Dominik Brodowski9b44de22009-10-24 15:55:39 +0200102 dev_dbg(&link->dev, "parport_detach\n");
Dominik Brodowskicc3b4862005-11-14 21:23:14 +0100103
Dominik Brodowskie2d40962006-03-02 00:09:29 +0100104 parport_cs_release(link);
Dominik Brodowskicc3b4862005-11-14 21:23:14 +0100105
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106 kfree(link->priv);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700107} /* parport_detach */
108
Dominik Brodowski00990e72010-07-30 13:13:46 +0200109static int parport_config_check(struct pcmcia_device *p_dev, void *priv_data)
Dominik Brodowski84e2d342008-07-29 08:38:55 +0200110{
Dominik Brodowski00990e72010-07-30 13:13:46 +0200111 p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
112 p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8;
113 p_dev->resource[1]->flags &= ~IO_DATA_PATH_WIDTH;
114 p_dev->resource[1]->flags |= IO_DATA_PATH_WIDTH_8;
115
116 return pcmcia_request_io(p_dev);
Dominik Brodowski84e2d342008-07-29 08:38:55 +0200117}
118
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200119static int parport_config(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700121 parport_info_t *info = link->priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122 struct parport *p;
Dominik Brodowski9b44de22009-10-24 15:55:39 +0200123 int ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700124
Dominik Brodowski9b44de22009-10-24 15:55:39 +0200125 dev_dbg(&link->dev, "parport_config\n");
Dominik Brodowski84e2d342008-07-29 08:38:55 +0200126
Dominik Brodowski00990e72010-07-30 13:13:46 +0200127 if (epp_mode)
128 link->config_index |= FORCE_EPP_MODE;
129
Dominik Brodowski9b44de22009-10-24 15:55:39 +0200130 ret = pcmcia_loop_config(link, parport_config_check, NULL);
131 if (ret)
Dominik Brodowski84e2d342008-07-29 08:38:55 +0200132 goto failed;
Dominik Brodowski84e2d342008-07-29 08:38:55 +0200133
Dominik Brodowskieb141202010-03-07 12:21:16 +0100134 if (!link->irq)
Dominik Brodowski9b44de22009-10-24 15:55:39 +0200135 goto failed;
Dominik Brodowski1ac71e52010-07-29 19:27:09 +0200136 ret = pcmcia_enable_device(link);
Dominik Brodowski9b44de22009-10-24 15:55:39 +0200137 if (ret)
138 goto failed;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700139
Dominik Brodowski9a017a92010-07-24 15:58:54 +0200140 p = parport_pc_probe_port(link->resource[0]->start,
141 link->resource[1]->start,
Dominik Brodowskieb141202010-03-07 12:21:16 +0100142 link->irq, PARPORT_DMA_NONE,
Alan Cox51dcdfe2009-04-07 15:30:57 +0100143 &link->dev, IRQF_SHARED);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144 if (p == NULL) {
145 printk(KERN_NOTICE "parport_cs: parport_pc_probe_port() at "
Dominik Brodowski9a017a92010-07-24 15:58:54 +0200146 "0x%3x, irq %u failed\n",
147 (unsigned int) link->resource[0]->start,
Dominik Brodowskieb141202010-03-07 12:21:16 +0100148 link->irq);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700149 goto failed;
150 }
151
152 p->modes |= PARPORT_MODE_PCSPP;
153 if (epp_mode)
154 p->modes |= PARPORT_MODE_TRISTATE | PARPORT_MODE_EPP;
155 info->ndev = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700156 info->port = p;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700157
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200158 return 0;
159
Linus Torvalds1da177e2005-04-16 15:20:36 -0700160failed:
161 parport_cs_release(link);
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200162 return -ENODEV;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700163} /* parport_config */
164
Adrian Bunk23d5f962008-07-25 19:46:22 -0700165static void parport_cs_release(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700166{
Dominik Brodowski5f2a71f2006-01-15 09:32:39 +0100167 parport_info_t *info = link->priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700168
Dominik Brodowski9b44de22009-10-24 15:55:39 +0200169 dev_dbg(&link->dev, "parport_release\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700170
Dominik Brodowski5f2a71f2006-01-15 09:32:39 +0100171 if (info->ndev) {
172 struct parport *p = info->port;
173 parport_pc_unregister_port(p);
174 }
175 info->ndev = 0;
176
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200177 pcmcia_disable_device(link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700178} /* parport_cs_release */
179
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100180
Dominik Brodowski476835a2005-06-27 16:28:29 -0700181static struct pcmcia_device_id parport_ids[] = {
182 PCMCIA_DEVICE_FUNC_ID(3),
Tony Olech44e5e332006-11-29 08:54:51 +0000183 PCMCIA_MFC_DEVICE_PROD_ID12(1,"Elan","Serial+Parallel Port: SP230",0x3beb8cf2,0xdb9e58bc),
Dominik Brodowski476835a2005-06-27 16:28:29 -0700184 PCMCIA_DEVICE_MANF_CARD(0x0137, 0x0003),
185 PCMCIA_DEVICE_NULL
186};
187MODULE_DEVICE_TABLE(pcmcia, parport_ids);
188
Linus Torvalds1da177e2005-04-16 15:20:36 -0700189static struct pcmcia_driver parport_cs_driver = {
190 .owner = THIS_MODULE,
Dominik Brodowski2e9b9812010-08-08 11:36:26 +0200191 .name = "parport_cs",
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200192 .probe = parport_probe,
Dominik Brodowskicc3b4862005-11-14 21:23:14 +0100193 .remove = parport_detach,
Dominik Brodowski476835a2005-06-27 16:28:29 -0700194 .id_table = parport_ids,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195};
196
197static int __init init_parport_cs(void)
198{
199 return pcmcia_register_driver(&parport_cs_driver);
200}
201
202static void __exit exit_parport_cs(void)
203{
204 pcmcia_unregister_driver(&parport_cs_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700205}
206
207module_init(init_parport_cs);
208module_exit(exit_parport_cs);