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19#include "hardware.h"
20#include "network.h"
21#include "main.h"
22#include "tty.h"
23
24#include <linux/delay.h>
25#include <linux/init.h>
26#include <linux/io.h>
27#include <linux/kernel.h>
28#include <linux/module.h>
29#include <linux/sched.h>
30#include <linux/slab.h>
31
32#include <pcmcia/cisreg.h>
33#include <pcmcia/device_id.h>
34#include <pcmcia/ss.h>
35#include <pcmcia/ds.h>
36
37static const struct pcmcia_device_id ipw_ids[] = {
38 PCMCIA_DEVICE_MANF_CARD(0x02f2, 0x0100),
39 PCMCIA_DEVICE_MANF_CARD(0x02f2, 0x0200),
40 PCMCIA_DEVICE_NULL
41};
42MODULE_DEVICE_TABLE(pcmcia, ipw_ids);
43
44static void ipwireless_detach(struct pcmcia_device *link);
45
46
47
48
49
50int ipwireless_debug;
51int ipwireless_loopback;
52int ipwireless_out_queue = 10;
53
54module_param_named(debug, ipwireless_debug, int, 0);
55module_param_named(loopback, ipwireless_loopback, int, 0);
56module_param_named(out_queue, ipwireless_out_queue, int, 0);
57MODULE_PARM_DESC(debug, "switch on debug messages [0]");
58MODULE_PARM_DESC(loopback,
59 "debug: enable ras_raw channel [0]");
60MODULE_PARM_DESC(out_queue, "debug: set size of outgoing PPP queue [10]");
61
62
63static void signalled_reboot_work(struct work_struct *work_reboot)
64{
65 struct ipw_dev *ipw = container_of(work_reboot, struct ipw_dev,
66 work_reboot);
67 struct pcmcia_device *link = ipw->link;
68 pcmcia_reset_card(link->socket);
69}
70
71static void signalled_reboot_callback(void *callback_data)
72{
73 struct ipw_dev *ipw = (struct ipw_dev *) callback_data;
74
75
76 schedule_work(&ipw->work_reboot);
77}
78
79static int ipwireless_probe(struct pcmcia_device *p_dev, void *priv_data)
80{
81 struct ipw_dev *ipw = priv_data;
82 int ret;
83
84 p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
85 p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
86
87
88
89 p_dev->config_index |= 0x44;
90 p_dev->io_lines = 16;
91 ret = pcmcia_request_io(p_dev);
92 if (ret)
93 return ret;
94
95 if (!request_region(p_dev->resource[0]->start,
96 resource_size(p_dev->resource[0]),
97 IPWIRELESS_PCCARD_NAME)) {
98 ret = -EBUSY;
99 goto exit;
100 }
101
102 p_dev->resource[2]->flags |=
103 WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_CM | WIN_ENABLE;
104
105 ret = pcmcia_request_window(p_dev, p_dev->resource[2], 0);
106 if (ret != 0)
107 goto exit1;
108
109 ret = pcmcia_map_mem_page(p_dev, p_dev->resource[2], p_dev->card_addr);
110 if (ret != 0)
111 goto exit1;
112
113 ipw->is_v2_card = resource_size(p_dev->resource[2]) == 0x100;
114
115 ipw->common_memory = ioremap(p_dev->resource[2]->start,
116 resource_size(p_dev->resource[2]));
117 if (!request_mem_region(p_dev->resource[2]->start,
118 resource_size(p_dev->resource[2]),
119 IPWIRELESS_PCCARD_NAME)) {
120 ret = -EBUSY;
121 goto exit2;
122 }
123
124 p_dev->resource[3]->flags |= WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_AM |
125 WIN_ENABLE;
126 p_dev->resource[3]->end = 0;
127 ret = pcmcia_request_window(p_dev, p_dev->resource[3], 0);
128 if (ret != 0)
129 goto exit3;
130
131 ret = pcmcia_map_mem_page(p_dev, p_dev->resource[3], 0);
132 if (ret != 0)
133 goto exit3;
134
135 ipw->attr_memory = ioremap(p_dev->resource[3]->start,
136 resource_size(p_dev->resource[3]));
137 if (!request_mem_region(p_dev->resource[3]->start,
138 resource_size(p_dev->resource[3]),
139 IPWIRELESS_PCCARD_NAME)) {
140 ret = -EBUSY;
141 goto exit4;
142 }
143
144 return 0;
145
146exit4:
147 iounmap(ipw->attr_memory);
148exit3:
149 release_mem_region(p_dev->resource[2]->start,
150 resource_size(p_dev->resource[2]));
151exit2:
152 iounmap(ipw->common_memory);
153exit1:
154 release_region(p_dev->resource[0]->start,
155 resource_size(p_dev->resource[0]));
156exit:
157 pcmcia_disable_device(p_dev);
158 return ret;
159}
160
161static int config_ipwireless(struct ipw_dev *ipw)
162{
163 struct pcmcia_device *link = ipw->link;
164 int ret = 0;
165
166 ipw->is_v2_card = 0;
167 link->config_flags |= CONF_AUTO_SET_IO | CONF_AUTO_SET_IOMEM |
168 CONF_ENABLE_IRQ;
169
170 ret = pcmcia_loop_config(link, ipwireless_probe, ipw);
171 if (ret != 0)
172 return ret;
173
174 INIT_WORK(&ipw->work_reboot, signalled_reboot_work);
175
176 ipwireless_init_hardware_v1(ipw->hardware, link->resource[0]->start,
177 ipw->attr_memory, ipw->common_memory,
178 ipw->is_v2_card, signalled_reboot_callback,
179 ipw);
180
181 ret = pcmcia_request_irq(link, ipwireless_interrupt);
182 if (ret != 0)
183 goto exit;
184
185 printk(KERN_INFO IPWIRELESS_PCCARD_NAME ": Card type %s\n",
186 ipw->is_v2_card ? "V2/V3" : "V1");
187 printk(KERN_INFO IPWIRELESS_PCCARD_NAME
188 ": I/O ports %pR, irq %d\n", link->resource[0],
189 (unsigned int) link->irq);
190 if (ipw->attr_memory && ipw->common_memory)
191 printk(KERN_INFO IPWIRELESS_PCCARD_NAME
192 ": attr memory %pR, common memory %pR\n",
193 link->resource[3],
194 link->resource[2]);
195
196 ipw->network = ipwireless_network_create(ipw->hardware);
197 if (!ipw->network)
198 goto exit;
199
200 ipw->tty = ipwireless_tty_create(ipw->hardware, ipw->network);
201 if (!ipw->tty)
202 goto exit;
203
204 ipwireless_init_hardware_v2_v3(ipw->hardware);
205
206
207
208
209
210 ret = pcmcia_enable_device(link);
211 if (ret != 0)
212 goto exit;
213
214 return 0;
215
216exit:
217 if (ipw->common_memory) {
218 release_mem_region(link->resource[2]->start,
219 resource_size(link->resource[2]));
220 iounmap(ipw->common_memory);
221 }
222 if (ipw->attr_memory) {
223 release_mem_region(link->resource[3]->start,
224 resource_size(link->resource[3]));
225 iounmap(ipw->attr_memory);
226 }
227 pcmcia_disable_device(link);
228 return -1;
229}
230
231static void release_ipwireless(struct ipw_dev *ipw)
232{
233 release_region(ipw->link->resource[0]->start,
234 resource_size(ipw->link->resource[0]));
235 if (ipw->common_memory) {
236 release_mem_region(ipw->link->resource[2]->start,
237 resource_size(ipw->link->resource[2]));
238 iounmap(ipw->common_memory);
239 }
240 if (ipw->attr_memory) {
241 release_mem_region(ipw->link->resource[3]->start,
242 resource_size(ipw->link->resource[3]));
243 iounmap(ipw->attr_memory);
244 }
245 pcmcia_disable_device(ipw->link);
246}
247
248
249
250
251
252
253
254
255
256
257static int ipwireless_attach(struct pcmcia_device *link)
258{
259 struct ipw_dev *ipw;
260 int ret;
261
262 ipw = kzalloc(sizeof(struct ipw_dev), GFP_KERNEL);
263 if (!ipw)
264 return -ENOMEM;
265
266 ipw->link = link;
267 link->priv = ipw;
268
269 ipw->hardware = ipwireless_hardware_create();
270 if (!ipw->hardware) {
271 kfree(ipw);
272 return -ENOMEM;
273 }
274
275
276 ret = config_ipwireless(ipw);
277
278 if (ret != 0) {
279 ipwireless_detach(link);
280 return ret;
281 }
282
283 return 0;
284}
285
286
287
288
289
290
291
292static void ipwireless_detach(struct pcmcia_device *link)
293{
294 struct ipw_dev *ipw = link->priv;
295
296 release_ipwireless(ipw);
297
298 if (ipw->tty != NULL)
299 ipwireless_tty_free(ipw->tty);
300 if (ipw->network != NULL)
301 ipwireless_network_free(ipw->network);
302 if (ipw->hardware != NULL)
303 ipwireless_hardware_free(ipw->hardware);
304 kfree(ipw);
305}
306
307static struct pcmcia_driver me = {
308 .owner = THIS_MODULE,
309 .probe = ipwireless_attach,
310 .remove = ipwireless_detach,
311 .name = IPWIRELESS_PCCARD_NAME,
312 .id_table = ipw_ids
313};
314
315
316
317
318
319static int __init init_ipwireless(void)
320{
321 int ret;
322
323 ret = ipwireless_tty_init();
324 if (ret != 0)
325 return ret;
326
327 ret = pcmcia_register_driver(&me);
328 if (ret != 0)
329 ipwireless_tty_release();
330
331 return ret;
332}
333
334
335
336
337static void __exit exit_ipwireless(void)
338{
339 pcmcia_unregister_driver(&me);
340 ipwireless_tty_release();
341}
342
343module_init(init_ipwireless);
344module_exit(exit_ipwireless);
345
346MODULE_AUTHOR(IPWIRELESS_PCMCIA_AUTHOR);
347MODULE_DESCRIPTION(IPWIRELESS_PCCARD_NAME " " IPWIRELESS_PCMCIA_VERSION);
348MODULE_LICENSE("GPL");
349