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/version.h>
13 #include <pcmcia/cs_types.h>
14 #include <pcmcia/cs.h>
15 #include <pcmcia/cistpl.h>
16 #include <pcmcia/ds.h>
21 * PCMCIA service support for Quicknet cards
25 static int pc_debug = PCMCIA_DEBUG;
26 MODULE_PARM(pc_debug, "i");
27 #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
29 #define DEBUG(n, args...)
32 typedef struct ixj_info_t {
38 static dev_link_t *ixj_attach(void);
39 static void ixj_detach(dev_link_t *);
40 static void ixj_config(dev_link_t * link);
41 static void ixj_cs_release(dev_link_t * link);
42 static int ixj_event(event_t event, int priority, event_callback_args_t * args);
43 static dev_info_t dev_info = "ixj_cs";
44 static dev_link_t *dev_list = NULL;
46 static dev_link_t *ixj_attach(void)
48 client_reg_t client_reg;
51 DEBUG(0, "ixj_attach()\n");
52 /* Create new ixj device */
53 link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL);
56 memset(link, 0, sizeof(struct dev_link_t));
57 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
58 link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
59 link->io.IOAddrLines = 3;
61 link->conf.IntType = INT_MEMORY_AND_IO;
62 link->priv = kmalloc(sizeof(struct ixj_info_t), GFP_KERNEL);
67 memset(link->priv, 0, sizeof(struct ixj_info_t));
68 /* Register with Card Services */
69 link->next = dev_list;
71 client_reg.dev_info = &dev_info;
72 client_reg.Attributes = INFO_IO_CLIENT | INFO_CARD_SHARE;
73 client_reg.EventMask =
74 CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL |
75 CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET |
76 CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME;
77 client_reg.event_handler = &ixj_event;
78 client_reg.Version = 0x0210;
79 client_reg.event_callback_args.client_data = link;
80 ret = pcmcia_register_client(&link->handle, &client_reg);
81 if (ret != CS_SUCCESS) {
82 cs_error(link->handle, RegisterClient, ret);
89 static void ixj_detach(dev_link_t * link)
93 DEBUG(0, "ixj_detach(0x%p)\n", link);
94 for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
99 link->state &= ~DEV_RELEASE_PENDING;
100 if (link->state & DEV_CONFIG)
101 ixj_cs_release(link);
103 ret = pcmcia_deregister_client(link->handle);
104 if (ret != CS_SUCCESS)
105 cs_error(link->handle, DeregisterClient, ret);
107 /* Unlink device structure, free bits */
113 #define CS_CHECK(fn, ret) \
114 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
116 static void ixj_get_serial(dev_link_t * link, IXJ * j)
118 client_handle_t handle;
122 int last_ret, last_fn, i, place;
123 handle = link->handle;
124 DEBUG(0, "ixj_get_serial(0x%p)\n", link);
125 tuple.TupleData = (cisdata_t *) buf;
126 tuple.TupleOffset = 0;
127 tuple.TupleDataMax = 80;
128 tuple.Attributes = 0;
129 tuple.DesiredTuple = CISTPL_VERS_1;
130 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
131 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
133 printk("PCMCIA Version %d.%d\n", str[0], str[1]);
136 str = str + strlen(str) + 1;
138 str = str + strlen(str) + 1;
140 for (i = strlen(str) - 1; i >= 0; i--) {
152 j->serial += (str[i] - 48) * place;
160 j->serial += (str[i] - 55) * place;
168 j->serial += (str[i] - 87) * place;
171 place = place * 0x10;
173 str = str + strlen(str) + 1;
174 printk(" version %s\n", str);
179 static void ixj_config(dev_link_t * link)
182 client_handle_t handle;
188 cistpl_cftable_entry_t *cfg = &parse.cftable_entry;
189 cistpl_cftable_entry_t dflt =
193 int last_ret, last_fn;
194 handle = link->handle;
196 DEBUG(0, "ixj_config(0x%p)\n", link);
197 tuple.TupleData = (cisdata_t *) buf;
198 tuple.TupleOffset = 0;
199 tuple.TupleDataMax = 255;
200 tuple.Attributes = 0;
201 tuple.DesiredTuple = CISTPL_CONFIG;
202 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
203 CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
204 CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
205 link->conf.ConfigBase = parse.config.base;
206 link->conf.Present = parse.config.rmask[0];
207 link->state |= DEV_CONFIG;
208 CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &conf));
209 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
210 tuple.Attributes = 0;
211 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
213 if (pcmcia_get_tuple_data(handle, &tuple) != 0 ||
214 pcmcia_parse_tuple(handle, &tuple, &parse) != 0)
216 if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
217 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
218 link->conf.ConfigIndex = cfg->index;
219 link->io.BasePort1 = io->win[0].base;
220 link->io.NumPorts1 = io->win[0].len;
222 link->io.BasePort2 = io->win[1].base;
223 link->io.NumPorts2 = io->win[1].len;
225 if (pcmcia_request_io(link->handle, &link->io) != 0)
227 /* If we've got this far, we're done */
231 if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
233 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple));
236 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
239 * Register the card with the core.
241 j=ixj_pcmcia_probe(link->io.BasePort1,link->io.BasePort1 + 0x10);
244 info->node.major = PHONE_MAJOR;
245 link->dev = &info->node;
246 ixj_get_serial(link, j);
247 link->state &= ~DEV_CONFIG_PENDING;
250 cs_error(link->handle, last_fn, last_ret);
251 ixj_cs_release(link);
254 static void ixj_cs_release(dev_link_t *link)
256 ixj_info_t *info = link->priv;
257 DEBUG(0, "ixj_cs_release(0x%p)\n", link);
260 pcmcia_release_configuration(link->handle);
261 pcmcia_release_io(link->handle, &link->io);
262 link->state &= ~DEV_CONFIG;
265 static int ixj_event(event_t event, int priority, event_callback_args_t * args)
267 dev_link_t *link = args->client_data;
268 DEBUG(1, "ixj_event(0x%06x)\n", event);
270 case CS_EVENT_CARD_REMOVAL:
271 link->state &= ~DEV_PRESENT;
272 if (link->state & DEV_CONFIG) {
273 link->state |= DEV_RELEASE_PENDING;
274 ixj_cs_release(link);
277 case CS_EVENT_CARD_INSERTION:
278 link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
281 case CS_EVENT_PM_SUSPEND:
282 link->state |= DEV_SUSPEND;
283 /* Fall through... */
284 case CS_EVENT_RESET_PHYSICAL:
285 if (link->state & DEV_CONFIG)
286 pcmcia_release_configuration(link->handle);
288 case CS_EVENT_PM_RESUME:
289 link->state &= ~DEV_SUSPEND;
290 /* Fall through... */
291 case CS_EVENT_CARD_RESET:
293 pcmcia_request_configuration(link->handle, &link->conf);
299 static struct pcmcia_driver ixj_driver = {
300 .owner = THIS_MODULE,
304 .attach = ixj_attach,
305 .detach = ixj_detach,
308 static int __init ixj_pcmcia_init(void)
310 return pcmcia_register_driver(&ixj_driver);
313 static void ixj_pcmcia_exit(void)
315 pcmcia_unregister_driver(&ixj_driver);
317 /* XXX: this really needs to move into generic code.. */
318 while (dev_list != NULL)
319 ixj_detach(dev_list);
322 module_init(ixj_pcmcia_init);
323 module_exit(ixj_pcmcia_exit);
325 MODULE_LICENSE("GPL");