3 #include <linux/module.h>
5 #include <linux/init.h>
6 #include <linux/sched.h>
7 #include <linux/kernel.h> /* printk() */
8 #include <linux/fs.h> /* everything... */
9 #include <linux/errno.h> /* error codes */
10 #include <linux/slab.h>
12 #include <pcmcia/cs_types.h>
13 #include <pcmcia/cs.h>
14 #include <pcmcia/cistpl.h>
15 #include <pcmcia/ds.h>
20 * PCMCIA service support for Quicknet cards
24 static int pc_debug = PCMCIA_DEBUG;
25 module_param(pc_debug, int, 0644);
26 #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
28 #define DEBUG(n, args...)
31 typedef struct ixj_info_t {
37 static dev_link_t *ixj_attach(void);
38 static void ixj_detach(struct pcmcia_device *p_dev);
39 static void ixj_config(dev_link_t * link);
40 static void ixj_cs_release(dev_link_t * link);
41 static int ixj_event(event_t event, int priority, event_callback_args_t * args);
42 static dev_info_t dev_info = "ixj_cs";
43 static dev_link_t *dev_list = NULL;
45 static dev_link_t *ixj_attach(void)
47 client_reg_t client_reg;
50 DEBUG(0, "ixj_attach()\n");
51 /* Create new ixj device */
52 link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL);
55 memset(link, 0, sizeof(struct dev_link_t));
56 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
57 link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
58 link->io.IOAddrLines = 3;
60 link->conf.IntType = INT_MEMORY_AND_IO;
61 link->priv = kmalloc(sizeof(struct ixj_info_t), GFP_KERNEL);
66 memset(link->priv, 0, sizeof(struct ixj_info_t));
67 /* Register with Card Services */
68 link->next = dev_list;
70 client_reg.dev_info = &dev_info;
71 client_reg.Version = 0x0210;
72 client_reg.event_callback_args.client_data = link;
73 ret = pcmcia_register_client(&link->handle, &client_reg);
74 if (ret != CS_SUCCESS) {
75 cs_error(link->handle, RegisterClient, ret);
76 ixj_detach(link->handle);
82 static void ixj_detach(struct pcmcia_device *p_dev)
84 dev_link_t *link = dev_to_instance(p_dev);
87 DEBUG(0, "ixj_detach(0x%p)\n", link);
88 for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
93 link->state &= ~DEV_RELEASE_PENDING;
94 if (link->state & DEV_CONFIG)
97 /* Unlink device structure, free bits */
103 #define CS_CHECK(fn, ret) \
104 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
106 static void ixj_get_serial(dev_link_t * link, IXJ * j)
108 client_handle_t handle;
112 int last_ret, last_fn, i, place;
113 handle = link->handle;
114 DEBUG(0, "ixj_get_serial(0x%p)\n", link);
115 tuple.TupleData = (cisdata_t *) buf;
116 tuple.TupleOffset = 0;
117 tuple.TupleDataMax = 80;
118 tuple.Attributes = 0;
119 tuple.DesiredTuple = CISTPL_VERS_1;
120 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
121 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
123 printk("PCMCIA Version %d.%d\n", str[0], str[1]);
126 str = str + strlen(str) + 1;
128 str = str + strlen(str) + 1;
130 for (i = strlen(str) - 1; i >= 0; i--) {
142 j->serial += (str[i] - 48) * place;
150 j->serial += (str[i] - 55) * place;
158 j->serial += (str[i] - 87) * place;
161 place = place * 0x10;
163 str = str + strlen(str) + 1;
164 printk(" version %s\n", str);
169 static void ixj_config(dev_link_t * link)
172 client_handle_t handle;
178 cistpl_cftable_entry_t *cfg = &parse.cftable_entry;
179 cistpl_cftable_entry_t dflt =
183 int last_ret, last_fn;
184 handle = link->handle;
186 DEBUG(0, "ixj_config(0x%p)\n", link);
187 tuple.TupleData = (cisdata_t *) buf;
188 tuple.TupleOffset = 0;
189 tuple.TupleDataMax = 255;
190 tuple.Attributes = 0;
191 tuple.DesiredTuple = CISTPL_CONFIG;
192 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
193 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
194 CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
195 link->conf.ConfigBase = parse.config.base;
196 link->conf.Present = parse.config.rmask[0];
197 link->state |= DEV_CONFIG;
198 CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &conf));
199 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
200 tuple.Attributes = 0;
201 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
203 if (pcmcia_get_tuple_data(handle, &tuple) != 0 ||
204 pcmcia_parse_tuple(handle, &tuple, &parse) != 0)
206 if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
207 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
208 link->conf.ConfigIndex = cfg->index;
209 link->io.BasePort1 = io->win[0].base;
210 link->io.NumPorts1 = io->win[0].len;
212 link->io.BasePort2 = io->win[1].base;
213 link->io.NumPorts2 = io->win[1].len;
215 if (pcmcia_request_io(link->handle, &link->io) != 0)
217 /* If we've got this far, we're done */
221 if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
223 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple));
226 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
229 * Register the card with the core.
231 j=ixj_pcmcia_probe(link->io.BasePort1,link->io.BasePort1 + 0x10);
234 info->node.major = PHONE_MAJOR;
235 link->dev = &info->node;
236 ixj_get_serial(link, j);
237 link->state &= ~DEV_CONFIG_PENDING;
240 cs_error(link->handle, last_fn, last_ret);
241 ixj_cs_release(link);
244 static void ixj_cs_release(dev_link_t *link)
246 ixj_info_t *info = link->priv;
247 DEBUG(0, "ixj_cs_release(0x%p)\n", link);
250 pcmcia_release_configuration(link->handle);
251 pcmcia_release_io(link->handle, &link->io);
252 link->state &= ~DEV_CONFIG;
255 static int ixj_suspend(struct pcmcia_device *dev)
257 dev_link_t *link = dev_to_instance(dev);
259 link->state |= DEV_SUSPEND;
260 if (link->state & DEV_CONFIG)
261 pcmcia_release_configuration(link->handle);
266 static int ixj_resume(struct pcmcia_device *dev)
268 dev_link_t *link = dev_to_instance(dev);
270 link->state &= ~DEV_SUSPEND;
272 pcmcia_request_configuration(link->handle, &link->conf);
277 static int ixj_event(event_t event, int priority, event_callback_args_t * args)
279 dev_link_t *link = args->client_data;
280 DEBUG(1, "ixj_event(0x%06x)\n", event);
282 case CS_EVENT_CARD_INSERTION:
283 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
290 static struct pcmcia_device_id ixj_ids[] = {
291 PCMCIA_DEVICE_MANF_CARD(0x0257, 0x0600),
294 MODULE_DEVICE_TABLE(pcmcia, ixj_ids);
296 static struct pcmcia_driver ixj_driver = {
297 .owner = THIS_MODULE,
301 .attach = ixj_attach,
303 .remove = ixj_detach,
305 .suspend = ixj_suspend,
306 .resume = ixj_resume,
309 static int __init ixj_pcmcia_init(void)
311 return pcmcia_register_driver(&ixj_driver);
314 static void ixj_pcmcia_exit(void)
316 pcmcia_unregister_driver(&ixj_driver);
317 BUG_ON(dev_list != NULL);
320 module_init(ixj_pcmcia_init);
321 module_exit(ixj_pcmcia_exit);
323 MODULE_LICENSE("GPL");