1#include "ixj-ver.h"
2
3#include <linux/module.h>
4
5#include <linux/init.h>
6#include <linux/kernel.h>	/* printk() */
7#include <linux/fs.h>		/* everything... */
8#include <linux/errno.h>	/* error codes */
9#include <linux/slab.h>
10
11#include <pcmcia/cs_types.h>
12#include <pcmcia/cs.h>
13#include <pcmcia/cistpl.h>
14#include <pcmcia/ds.h>
15
16#include "ixj.h"
17
18/*
19 *	PCMCIA service support for Quicknet cards
20 */
21
22#ifdef PCMCIA_DEBUG
23static int pc_debug = PCMCIA_DEBUG;
24module_param(pc_debug, int, 0644);
25#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
26#else
27#define DEBUG(n, args...)
28#endif
29
30typedef struct ixj_info_t {
31	int ndev;
32	dev_node_t node;
33	struct ixj *port;
34} ixj_info_t;
35
36static void ixj_detach(struct pcmcia_device *p_dev);
37static int ixj_config(struct pcmcia_device * link);
38static void ixj_cs_release(struct pcmcia_device * link);
39
40static int ixj_probe(struct pcmcia_device *p_dev)
41{
42	DEBUG(0, "ixj_attach()\n");
43	/* Create new ixj device */
44	p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
45	p_dev->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
46	p_dev->io.IOAddrLines = 3;
47	p_dev->conf.IntType = INT_MEMORY_AND_IO;
48	p_dev->priv = kmalloc(sizeof(struct ixj_info_t), GFP_KERNEL);
49	if (!p_dev->priv) {
50		return -ENOMEM;
51	}
52	memset(p_dev->priv, 0, sizeof(struct ixj_info_t));
53
54	return ixj_config(p_dev);
55}
56
57static void ixj_detach(struct pcmcia_device *link)
58{
59	DEBUG(0, "ixj_detach(0x%p)\n", link);
60
61	ixj_cs_release(link);
62
63        kfree(link->priv);
64}
65
66#define CS_CHECK(fn, ret) \
67do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
68
69static void ixj_get_serial(struct pcmcia_device * link, IXJ * j)
70{
71	char *str;
72	int i, place;
73	DEBUG(0, "ixj_get_serial(0x%p)\n", link);
74
75	str = link->prod_id[0];
76	if (!str)
77		goto cs_failed;
78	printk("%s", str);
79	str = link->prod_id[1];
80	if (!str)
81		goto cs_failed;
82	printk(" %s", str);
83	str = link->prod_id[2];
84	if (!str)
85		goto cs_failed;
86	place = 1;
87	for (i = strlen(str) - 1; i >= 0; i--) {
88		switch (str[i]) {
89		case '0':
90		case '1':
91		case '2':
92		case '3':
93		case '4':
94		case '5':
95		case '6':
96		case '7':
97		case '8':
98		case '9':
99			j->serial += (str[i] - 48) * place;
100			break;
101		case 'A':
102		case 'B':
103		case 'C':
104		case 'D':
105		case 'E':
106		case 'F':
107			j->serial += (str[i] - 55) * place;
108			break;
109		case 'a':
110		case 'b':
111		case 'c':
112		case 'd':
113		case 'e':
114		case 'f':
115			j->serial += (str[i] - 87) * place;
116			break;
117		}
118		place = place * 0x10;
119	}
120	str = link->prod_id[3];
121	if (!str)
122		goto cs_failed;
123	printk(" version %s\n", str);
124      cs_failed:
125	return;
126}
127
128static int ixj_config(struct pcmcia_device * link)
129{
130	IXJ *j;
131	ixj_info_t *info;
132	tuple_t tuple;
133	u_short buf[128];
134	cisparse_t parse;
135	cistpl_cftable_entry_t *cfg = &parse.cftable_entry;
136	cistpl_cftable_entry_t dflt =
137	{
138		0
139	};
140	int last_ret, last_fn;
141	info = link->priv;
142	DEBUG(0, "ixj_config(0x%p)\n", link);
143	tuple.TupleData = (cisdata_t *) buf;
144	tuple.TupleOffset = 0;
145	tuple.TupleDataMax = 255;
146	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
147	tuple.Attributes = 0;
148	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
149	while (1) {
150		if (pcmcia_get_tuple_data(link, &tuple) != 0 ||
151				pcmcia_parse_tuple(link, &tuple, &parse) != 0)
152			goto next_entry;
153		if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
154			cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
155			link->conf.ConfigIndex = cfg->index;
156			link->io.BasePort1 = io->win[0].base;
157			link->io.NumPorts1 = io->win[0].len;
158			if (io->nwin == 2) {
159				link->io.BasePort2 = io->win[1].base;
160				link->io.NumPorts2 = io->win[1].len;
161			}
162			if (pcmcia_request_io(link, &link->io) != 0)
163				goto next_entry;
164			/* If we've got this far, we're done */
165			break;
166		}
167	      next_entry:
168		if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
169			dflt = *cfg;
170		CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
171	}
172
173	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
174
175	/*
176 	 *	Register the card with the core.
177 	 */
178	j=ixj_pcmcia_probe(link->io.BasePort1,link->io.BasePort1 + 0x10);
179
180	info->ndev = 1;
181	info->node.major = PHONE_MAJOR;
182	link->dev_node = &info->node;
183	ixj_get_serial(link, j);
184	return 0;
185      cs_failed:
186	cs_error(link, last_fn, last_ret);
187	ixj_cs_release(link);
188	return -ENODEV;
189}
190
191static void ixj_cs_release(struct pcmcia_device *link)
192{
193	ixj_info_t *info = link->priv;
194	DEBUG(0, "ixj_cs_release(0x%p)\n", link);
195	info->ndev = 0;
196	pcmcia_disable_device(link);
197}
198
199static struct pcmcia_device_id ixj_ids[] = {
200	PCMCIA_DEVICE_MANF_CARD(0x0257, 0x0600),
201	PCMCIA_DEVICE_NULL
202};
203MODULE_DEVICE_TABLE(pcmcia, ixj_ids);
204
205static struct pcmcia_driver ixj_driver = {
206	.owner		= THIS_MODULE,
207	.drv		= {
208		.name	= "ixj_cs",
209	},
210	.probe		= ixj_probe,
211	.remove		= ixj_detach,
212	.id_table	= ixj_ids,
213};
214
215static int __init ixj_pcmcia_init(void)
216{
217	return pcmcia_register_driver(&ixj_driver);
218}
219
220static void ixj_pcmcia_exit(void)
221{
222	pcmcia_unregister_driver(&ixj_driver);
223}
224
225module_init(ixj_pcmcia_init);
226module_exit(ixj_pcmcia_exit);
227
228MODULE_LICENSE("GPL");
229