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/cistpl.h>
 12#include <pcmcia/ds.h>
 13
 14#include "ixj.h"
 15
 16/*
 17 *	PCMCIA service support for Quicknet cards
 18 */
 19 
 20
 21typedef struct ixj_info_t {
 22	int ndev;
 23	struct ixj *port;
 24} ixj_info_t;
 25
 26static void ixj_detach(struct pcmcia_device *p_dev);
 27static int ixj_config(struct pcmcia_device * link);
 28static void ixj_cs_release(struct pcmcia_device * link);
 29
 30static int ixj_probe(struct pcmcia_device *p_dev)
 31{
 32	dev_dbg(&p_dev->dev, "ixj_attach()\n");
 33	/* Create new ixj device */
 34	p_dev->priv = kzalloc(sizeof(struct ixj_info_t), GFP_KERNEL);
 35	if (!p_dev->priv) {
 36		return -ENOMEM;
 37	}
 38
 39	return ixj_config(p_dev);
 40}
 41
 42static void ixj_detach(struct pcmcia_device *link)
 43{
 44	dev_dbg(&link->dev, "ixj_detach\n");
 45
 46	ixj_cs_release(link);
 47
 48        kfree(link->priv);
 49}
 50
 51static void ixj_get_serial(struct pcmcia_device * link, IXJ * j)
 52{
 53	char *str;
 54	int i, place;
 55	dev_dbg(&link->dev, "ixj_get_serial\n");
 56
 57	str = link->prod_id[0];
 58	if (!str)
 59		goto failed;
 60	printk("%s", str);
 61	str = link->prod_id[1];
 62	if (!str)
 63		goto failed;
 64	printk(" %s", str);
 65	str = link->prod_id[2];
 66	if (!str)
 67		goto failed;
 68	place = 1;
 69	for (i = strlen(str) - 1; i >= 0; i--) {
 70		switch (str[i]) {
 71		case '0':
 72		case '1':
 73		case '2':
 74		case '3':
 75		case '4':
 76		case '5':
 77		case '6':
 78		case '7':
 79		case '8':
 80		case '9':
 81			j->serial += (str[i] - 48) * place;
 82			break;
 83		case 'A':
 84		case 'B':
 85		case 'C':
 86		case 'D':
 87		case 'E':
 88		case 'F':
 89			j->serial += (str[i] - 55) * place;
 90			break;
 91		case 'a':
 92		case 'b':
 93		case 'c':
 94		case 'd':
 95		case 'e':
 96		case 'f':
 97			j->serial += (str[i] - 87) * place;
 98			break;
 99		}
100		place = place * 0x10;
101	}
102	str = link->prod_id[3];
103	if (!str)
104		goto failed;
105	printk(" version %s\n", str);
106failed:
107	return;
108}
109
110static int ixj_config_check(struct pcmcia_device *p_dev, void *priv_data)
111{
112	p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
113	p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8;
114	p_dev->resource[1]->flags &= ~IO_DATA_PATH_WIDTH;
115	p_dev->resource[1]->flags |= IO_DATA_PATH_WIDTH_8;
116	p_dev->io_lines = 3;
117
118	return pcmcia_request_io(p_dev);
119}
120
121static int ixj_config(struct pcmcia_device * link)
122{
123	IXJ *j;
124	ixj_info_t *info;
125
126	info = link->priv;
127	dev_dbg(&link->dev, "ixj_config\n");
128
129	link->config_flags = CONF_AUTO_SET_IO;
130
131	if (pcmcia_loop_config(link, ixj_config_check, NULL))
132		goto failed;
133
134	if (pcmcia_enable_device(link))
135		goto failed;
136
137	/*
138 	 *	Register the card with the core.
139	 */
140	j = ixj_pcmcia_probe(link->resource[0]->start,
141			     link->resource[0]->start + 0x10);
142
143	info->ndev = 1;
144	ixj_get_serial(link, j);
145	return 0;
146
147failed:
148	ixj_cs_release(link);
149	return -ENODEV;
150}
151
152static void ixj_cs_release(struct pcmcia_device *link)
153{
154	ixj_info_t *info = link->priv;
155	dev_dbg(&link->dev, "ixj_cs_release\n");
156	info->ndev = 0;
157	pcmcia_disable_device(link);
158}
159
160static const struct pcmcia_device_id ixj_ids[] = {
161	PCMCIA_DEVICE_MANF_CARD(0x0257, 0x0600),
162	PCMCIA_DEVICE_NULL
163};
164MODULE_DEVICE_TABLE(pcmcia, ixj_ids);
165
166static struct pcmcia_driver ixj_driver = {
167	.owner		= THIS_MODULE,
168	.name		= "ixj_cs",
169	.probe		= ixj_probe,
170	.remove		= ixj_detach,
171	.id_table	= ixj_ids,
172};
173
174static int __init ixj_pcmcia_init(void)
175{
176	return pcmcia_register_driver(&ixj_driver);
177}
178
179static void ixj_pcmcia_exit(void)
180{
181	pcmcia_unregister_driver(&ixj_driver);
182}
183
184module_init(ixj_pcmcia_init);
185module_exit(ixj_pcmcia_exit);
186
187MODULE_LICENSE("GPL");