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1da177e4 LT |
1 | #include "ixj-ver.h" |
2 | ||
3 | #include <linux/module.h> | |
4 | ||
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> | |
11 | ||
1da177e4 LT |
12 | #include <pcmcia/cs_types.h> |
13 | #include <pcmcia/cs.h> | |
14 | #include <pcmcia/cistpl.h> | |
15 | #include <pcmcia/ds.h> | |
16 | ||
17 | #include "ixj.h" | |
18 | ||
19 | /* | |
20 | * PCMCIA service support for Quicknet cards | |
21 | */ | |
22 | ||
23 | #ifdef PCMCIA_DEBUG | |
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) | |
27 | #else | |
28 | #define DEBUG(n, args...) | |
29 | #endif | |
30 | ||
31 | typedef struct ixj_info_t { | |
32 | int ndev; | |
33 | dev_node_t node; | |
34 | struct ixj *port; | |
35 | } ixj_info_t; | |
36 | ||
37 | static dev_link_t *ixj_attach(void); | |
38 | static void ixj_detach(dev_link_t *); | |
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; | |
44 | ||
45 | static dev_link_t *ixj_attach(void) | |
46 | { | |
47 | client_reg_t client_reg; | |
48 | dev_link_t *link; | |
49 | int ret; | |
50 | DEBUG(0, "ixj_attach()\n"); | |
51 | /* Create new ixj device */ | |
52 | link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL); | |
53 | if (!link) | |
54 | return NULL; | |
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; | |
59 | link->conf.Vcc = 50; | |
60 | link->conf.IntType = INT_MEMORY_AND_IO; | |
61 | link->priv = kmalloc(sizeof(struct ixj_info_t), GFP_KERNEL); | |
62 | if (!link->priv) { | |
63 | kfree(link); | |
64 | return NULL; | |
65 | } | |
66 | memset(link->priv, 0, sizeof(struct ixj_info_t)); | |
67 | /* Register with Card Services */ | |
68 | link->next = dev_list; | |
69 | dev_list = link; | |
70 | client_reg.dev_info = &dev_info; | |
1da177e4 LT |
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); | |
77 | return NULL; | |
78 | } | |
79 | return link; | |
80 | } | |
81 | ||
82 | static void ixj_detach(dev_link_t * link) | |
83 | { | |
84 | dev_link_t **linkp; | |
85 | int ret; | |
86 | DEBUG(0, "ixj_detach(0x%p)\n", link); | |
87 | for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) | |
88 | if (*linkp == link) | |
89 | break; | |
90 | if (*linkp == NULL) | |
91 | return; | |
92 | link->state &= ~DEV_RELEASE_PENDING; | |
93 | if (link->state & DEV_CONFIG) | |
94 | ixj_cs_release(link); | |
95 | if (link->handle) { | |
96 | ret = pcmcia_deregister_client(link->handle); | |
97 | if (ret != CS_SUCCESS) | |
98 | cs_error(link->handle, DeregisterClient, ret); | |
99 | } | |
100 | /* Unlink device structure, free bits */ | |
101 | *linkp = link->next; | |
102 | kfree(link->priv); | |
103 | kfree(link); | |
104 | } | |
105 | ||
106 | #define CS_CHECK(fn, ret) \ | |
107 | do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) | |
108 | ||
109 | static void ixj_get_serial(dev_link_t * link, IXJ * j) | |
110 | { | |
111 | client_handle_t handle; | |
112 | tuple_t tuple; | |
113 | u_short buf[128]; | |
114 | char *str; | |
115 | int last_ret, last_fn, i, place; | |
116 | handle = link->handle; | |
117 | DEBUG(0, "ixj_get_serial(0x%p)\n", link); | |
118 | tuple.TupleData = (cisdata_t *) buf; | |
119 | tuple.TupleOffset = 0; | |
120 | tuple.TupleDataMax = 80; | |
121 | tuple.Attributes = 0; | |
122 | tuple.DesiredTuple = CISTPL_VERS_1; | |
123 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); | |
124 | CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); | |
125 | str = (char *) buf; | |
126 | printk("PCMCIA Version %d.%d\n", str[0], str[1]); | |
127 | str += 2; | |
128 | printk("%s", str); | |
129 | str = str + strlen(str) + 1; | |
130 | printk(" %s", str); | |
131 | str = str + strlen(str) + 1; | |
132 | place = 1; | |
133 | for (i = strlen(str) - 1; i >= 0; i--) { | |
134 | switch (str[i]) { | |
135 | case '0': | |
136 | case '1': | |
137 | case '2': | |
138 | case '3': | |
139 | case '4': | |
140 | case '5': | |
141 | case '6': | |
142 | case '7': | |
143 | case '8': | |
144 | case '9': | |
145 | j->serial += (str[i] - 48) * place; | |
146 | break; | |
147 | case 'A': | |
148 | case 'B': | |
149 | case 'C': | |
150 | case 'D': | |
151 | case 'E': | |
152 | case 'F': | |
153 | j->serial += (str[i] - 55) * place; | |
154 | break; | |
155 | case 'a': | |
156 | case 'b': | |
157 | case 'c': | |
158 | case 'd': | |
159 | case 'e': | |
160 | case 'f': | |
161 | j->serial += (str[i] - 87) * place; | |
162 | break; | |
163 | } | |
164 | place = place * 0x10; | |
165 | } | |
166 | str = str + strlen(str) + 1; | |
167 | printk(" version %s\n", str); | |
168 | cs_failed: | |
169 | return; | |
170 | } | |
171 | ||
172 | static void ixj_config(dev_link_t * link) | |
173 | { | |
174 | IXJ *j; | |
175 | client_handle_t handle; | |
176 | ixj_info_t *info; | |
177 | tuple_t tuple; | |
178 | u_short buf[128]; | |
179 | cisparse_t parse; | |
180 | config_info_t conf; | |
181 | cistpl_cftable_entry_t *cfg = &parse.cftable_entry; | |
182 | cistpl_cftable_entry_t dflt = | |
183 | { | |
184 | 0 | |
185 | }; | |
186 | int last_ret, last_fn; | |
187 | handle = link->handle; | |
188 | info = link->priv; | |
189 | DEBUG(0, "ixj_config(0x%p)\n", link); | |
190 | tuple.TupleData = (cisdata_t *) buf; | |
191 | tuple.TupleOffset = 0; | |
192 | tuple.TupleDataMax = 255; | |
193 | tuple.Attributes = 0; | |
194 | tuple.DesiredTuple = CISTPL_CONFIG; | |
195 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); | |
196 | CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); | |
197 | CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); | |
198 | link->conf.ConfigBase = parse.config.base; | |
199 | link->conf.Present = parse.config.rmask[0]; | |
200 | link->state |= DEV_CONFIG; | |
201 | CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &conf)); | |
202 | tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; | |
203 | tuple.Attributes = 0; | |
204 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); | |
205 | while (1) { | |
206 | if (pcmcia_get_tuple_data(handle, &tuple) != 0 || | |
207 | pcmcia_parse_tuple(handle, &tuple, &parse) != 0) | |
208 | goto next_entry; | |
209 | if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) { | |
210 | cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io; | |
211 | link->conf.ConfigIndex = cfg->index; | |
212 | link->io.BasePort1 = io->win[0].base; | |
213 | link->io.NumPorts1 = io->win[0].len; | |
214 | if (io->nwin == 2) { | |
215 | link->io.BasePort2 = io->win[1].base; | |
216 | link->io.NumPorts2 = io->win[1].len; | |
217 | } | |
218 | if (pcmcia_request_io(link->handle, &link->io) != 0) | |
219 | goto next_entry; | |
220 | /* If we've got this far, we're done */ | |
221 | break; | |
222 | } | |
223 | next_entry: | |
224 | if (cfg->flags & CISTPL_CFTABLE_DEFAULT) | |
225 | dflt = *cfg; | |
226 | CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple)); | |
227 | } | |
228 | ||
229 | CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf)); | |
230 | ||
231 | /* | |
232 | * Register the card with the core. | |
233 | */ | |
234 | j=ixj_pcmcia_probe(link->io.BasePort1,link->io.BasePort1 + 0x10); | |
235 | ||
236 | info->ndev = 1; | |
237 | info->node.major = PHONE_MAJOR; | |
238 | link->dev = &info->node; | |
239 | ixj_get_serial(link, j); | |
240 | link->state &= ~DEV_CONFIG_PENDING; | |
241 | return; | |
242 | cs_failed: | |
243 | cs_error(link->handle, last_fn, last_ret); | |
244 | ixj_cs_release(link); | |
245 | } | |
246 | ||
247 | static void ixj_cs_release(dev_link_t *link) | |
248 | { | |
249 | ixj_info_t *info = link->priv; | |
250 | DEBUG(0, "ixj_cs_release(0x%p)\n", link); | |
251 | info->ndev = 0; | |
252 | link->dev = NULL; | |
253 | pcmcia_release_configuration(link->handle); | |
254 | pcmcia_release_io(link->handle, &link->io); | |
255 | link->state &= ~DEV_CONFIG; | |
256 | } | |
257 | ||
98e4c28b DB |
258 | static int ixj_suspend(struct pcmcia_device *dev) |
259 | { | |
260 | dev_link_t *link = dev_to_instance(dev); | |
261 | ||
262 | link->state |= DEV_SUSPEND; | |
263 | if (link->state & DEV_CONFIG) | |
264 | pcmcia_release_configuration(link->handle); | |
265 | ||
266 | return 0; | |
267 | } | |
268 | ||
269 | static int ixj_resume(struct pcmcia_device *dev) | |
270 | { | |
271 | dev_link_t *link = dev_to_instance(dev); | |
272 | ||
273 | link->state &= ~DEV_SUSPEND; | |
274 | if (DEV_OK(link)) | |
275 | pcmcia_request_configuration(link->handle, &link->conf); | |
276 | ||
277 | return 0; | |
278 | } | |
279 | ||
1da177e4 LT |
280 | static int ixj_event(event_t event, int priority, event_callback_args_t * args) |
281 | { | |
282 | dev_link_t *link = args->client_data; | |
283 | DEBUG(1, "ixj_event(0x%06x)\n", event); | |
284 | switch (event) { | |
285 | case CS_EVENT_CARD_REMOVAL: | |
286 | link->state &= ~DEV_PRESENT; | |
287 | if (link->state & DEV_CONFIG) { | |
288 | link->state |= DEV_RELEASE_PENDING; | |
289 | ixj_cs_release(link); | |
290 | } | |
291 | break; | |
292 | case CS_EVENT_CARD_INSERTION: | |
293 | link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; | |
294 | ixj_config(link); | |
295 | break; | |
1da177e4 LT |
296 | } |
297 | return 0; | |
298 | } | |
299 | ||
07081273 DB |
300 | static struct pcmcia_device_id ixj_ids[] = { |
301 | PCMCIA_DEVICE_MANF_CARD(0x0257, 0x0600), | |
302 | PCMCIA_DEVICE_NULL | |
303 | }; | |
304 | MODULE_DEVICE_TABLE(pcmcia, ixj_ids); | |
305 | ||
1da177e4 LT |
306 | static struct pcmcia_driver ixj_driver = { |
307 | .owner = THIS_MODULE, | |
308 | .drv = { | |
309 | .name = "ixj_cs", | |
310 | }, | |
311 | .attach = ixj_attach, | |
1e212f36 | 312 | .event = ixj_event, |
1da177e4 | 313 | .detach = ixj_detach, |
07081273 | 314 | .id_table = ixj_ids, |
98e4c28b DB |
315 | .suspend = ixj_suspend, |
316 | .resume = ixj_resume, | |
1da177e4 LT |
317 | }; |
318 | ||
319 | static int __init ixj_pcmcia_init(void) | |
320 | { | |
321 | return pcmcia_register_driver(&ixj_driver); | |
322 | } | |
323 | ||
324 | static void ixj_pcmcia_exit(void) | |
325 | { | |
326 | pcmcia_unregister_driver(&ixj_driver); | |
327 | BUG_ON(dev_list != NULL); | |
328 | } | |
329 | ||
330 | module_init(ixj_pcmcia_init); | |
331 | module_exit(ixj_pcmcia_exit); | |
332 | ||
333 | MODULE_LICENSE("GPL"); |