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path: root/drivers/char/pcmcia/ipwireless/main.c
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Diffstat (limited to 'drivers/char/pcmcia/ipwireless/main.c')
-rw-r--r--drivers/char/pcmcia/ipwireless/main.c347
1 files changed, 0 insertions, 347 deletions
diff --git a/drivers/char/pcmcia/ipwireless/main.c b/drivers/char/pcmcia/ipwireless/main.c
deleted file mode 100644
index 444155a305ae..000000000000
--- a/drivers/char/pcmcia/ipwireless/main.c
+++ /dev/null
@@ -1,347 +0,0 @@
1/*
2 * IPWireless 3G PCMCIA Network Driver
3 *
4 * Original code
5 * by Stephen Blackheath <stephen@blacksapphire.com>,
6 * Ben Martel <benm@symmetric.co.nz>
7 *
8 * Copyrighted as follows:
9 * Copyright (C) 2004 by Symmetric Systems Ltd (NZ)
10 *
11 * Various driver changes and rewrites, port to new kernels
12 * Copyright (C) 2006-2007 Jiri Kosina
13 *
14 * Misc code cleanups and updates
15 * Copyright (C) 2007 David Sterba
16 */
17
18#include "hardware.h"
19#include "network.h"
20#include "main.h"
21#include "tty.h"
22
23#include <linux/delay.h>
24#include <linux/init.h>
25#include <linux/io.h>
26#include <linux/kernel.h>
27#include <linux/module.h>
28#include <linux/sched.h>
29#include <linux/slab.h>
30
31#include <pcmcia/cisreg.h>
32#include <pcmcia/device_id.h>
33#include <pcmcia/ss.h>
34#include <pcmcia/ds.h>
35
36static struct pcmcia_device_id ipw_ids[] = {
37 PCMCIA_DEVICE_MANF_CARD(0x02f2, 0x0100),
38 PCMCIA_DEVICE_MANF_CARD(0x02f2, 0x0200),
39 PCMCIA_DEVICE_NULL
40};
41MODULE_DEVICE_TABLE(pcmcia, ipw_ids);
42
43static void ipwireless_detach(struct pcmcia_device *link);
44
45/*
46 * Module params
47 */
48/* Debug mode: more verbose, print sent/recv bytes */
49int ipwireless_debug;
50int ipwireless_loopback;
51int ipwireless_out_queue = 10;
52
53module_param_named(debug, ipwireless_debug, int, 0);
54module_param_named(loopback, ipwireless_loopback, int, 0);
55module_param_named(out_queue, ipwireless_out_queue, int, 0);
56MODULE_PARM_DESC(debug, "switch on debug messages [0]");
57MODULE_PARM_DESC(loopback,
58 "debug: enable ras_raw channel [0]");
59MODULE_PARM_DESC(out_queue, "debug: set size of outgoing PPP queue [10]");
60
61/* Executes in process context. */
62static void signalled_reboot_work(struct work_struct *work_reboot)
63{
64 struct ipw_dev *ipw = container_of(work_reboot, struct ipw_dev,
65 work_reboot);
66 struct pcmcia_device *link = ipw->link;
67 pcmcia_reset_card(link->socket);
68}
69
70static void signalled_reboot_callback(void *callback_data)
71{
72 struct ipw_dev *ipw = (struct ipw_dev *) callback_data;
73
74 /* Delegate to process context. */
75 schedule_work(&ipw->work_reboot);
76}
77
78static int ipwireless_probe(struct pcmcia_device *p_dev, void *priv_data)
79{
80 struct ipw_dev *ipw = priv_data;
81 int ret;
82
83 p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
84 p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
85
86 /* 0x40 causes it to generate level mode interrupts. */
87 /* 0x04 enables IREQ pin. */
88 p_dev->config_index |= 0x44;
89 p_dev->io_lines = 16;
90 ret = pcmcia_request_io(p_dev);
91 if (ret)
92 return ret;
93
94 if (!request_region(p_dev->resource[0]->start,
95 resource_size(p_dev->resource[0]),
96 IPWIRELESS_PCCARD_NAME)) {
97 ret = -EBUSY;
98 goto exit;
99 }
100
101 p_dev->resource[2]->flags |=
102 WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_CM | WIN_ENABLE;
103
104 ret = pcmcia_request_window(p_dev, p_dev->resource[2], 0);
105 if (ret != 0)
106 goto exit1;
107
108 ret = pcmcia_map_mem_page(p_dev, p_dev->resource[2], p_dev->card_addr);
109 if (ret != 0)
110 goto exit1;
111
112 ipw->is_v2_card = resource_size(p_dev->resource[2]) == 0x100;
113
114 ipw->common_memory = ioremap(p_dev->resource[2]->start,
115 resource_size(p_dev->resource[2]));
116 if (!request_mem_region(p_dev->resource[2]->start,
117 resource_size(p_dev->resource[2]),
118 IPWIRELESS_PCCARD_NAME)) {
119 ret = -EBUSY;
120 goto exit2;
121 }
122
123 p_dev->resource[3]->flags |= WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_AM |
124 WIN_ENABLE;
125 p_dev->resource[3]->end = 0; /* this used to be 0x1000 */
126 ret = pcmcia_request_window(p_dev, p_dev->resource[3], 0);
127 if (ret != 0)
128 goto exit3;
129
130 ret = pcmcia_map_mem_page(p_dev, p_dev->resource[3], 0);
131 if (ret != 0)
132 goto exit3;
133
134 ipw->attr_memory = ioremap(p_dev->resource[3]->start,
135 resource_size(p_dev->resource[3]));
136 if (!request_mem_region(p_dev->resource[3]->start,
137 resource_size(p_dev->resource[3]),
138 IPWIRELESS_PCCARD_NAME)) {
139 ret = -EBUSY;
140 goto exit4;
141 }
142
143 return 0;
144
145exit4:
146 iounmap(ipw->attr_memory);
147exit3:
148 release_mem_region(p_dev->resource[2]->start,
149 resource_size(p_dev->resource[2]));
150exit2:
151 iounmap(ipw->common_memory);
152exit1:
153 release_region(p_dev->resource[0]->start,
154 resource_size(p_dev->resource[0]));
155exit:
156 pcmcia_disable_device(p_dev);
157 return ret;
158}
159
160static int config_ipwireless(struct ipw_dev *ipw)
161{
162 struct pcmcia_device *link = ipw->link;
163 int ret = 0;
164
165 ipw->is_v2_card = 0;
166 link->config_flags |= CONF_AUTO_SET_IO | CONF_AUTO_SET_IOMEM |
167 CONF_ENABLE_IRQ;
168
169 ret = pcmcia_loop_config(link, ipwireless_probe, ipw);
170 if (ret != 0)
171 return ret;
172
173 INIT_WORK(&ipw->work_reboot, signalled_reboot_work);
174
175 ipwireless_init_hardware_v1(ipw->hardware, link->resource[0]->start,
176 ipw->attr_memory, ipw->common_memory,
177 ipw->is_v2_card, signalled_reboot_callback,
178 ipw);
179
180 ret = pcmcia_request_irq(link, ipwireless_interrupt);
181 if (ret != 0)
182 goto exit;
183
184 printk(KERN_INFO IPWIRELESS_PCCARD_NAME ": Card type %s\n",
185 ipw->is_v2_card ? "V2/V3" : "V1");
186 printk(KERN_INFO IPWIRELESS_PCCARD_NAME
187 ": I/O ports %pR, irq %d\n", link->resource[0],
188 (unsigned int) link->irq);
189 if (ipw->attr_memory && ipw->common_memory)
190 printk(KERN_INFO IPWIRELESS_PCCARD_NAME
191 ": attr memory %pR, common memory %pR\n",
192 link->resource[3],
193 link->resource[2]);
194
195 ipw->network = ipwireless_network_create(ipw->hardware);
196 if (!ipw->network)
197 goto exit;
198
199 ipw->tty = ipwireless_tty_create(ipw->hardware, ipw->network);
200 if (!ipw->tty)
201 goto exit;
202
203 ipwireless_init_hardware_v2_v3(ipw->hardware);
204
205 /*
206 * Do the RequestConfiguration last, because it enables interrupts.
207 * Then we don't get any interrupts before we're ready for them.
208 */
209 ret = pcmcia_enable_device(link);
210 if (ret != 0)
211 goto exit;
212
213 return 0;
214
215exit:
216 if (ipw->common_memory) {
217 release_mem_region(link->resource[2]->start,
218 resource_size(link->resource[2]));
219 iounmap(ipw->common_memory);
220 }
221 if (ipw->attr_memory) {
222 release_mem_region(link->resource[3]->start,
223 resource_size(link->resource[3]));
224 iounmap(ipw->attr_memory);
225 }
226 pcmcia_disable_device(link);
227 return -1;
228}
229
230static void release_ipwireless(struct ipw_dev *ipw)
231{
232 release_region(ipw->link->resource[0]->start,
233 resource_size(ipw->link->resource[0]));
234 if (ipw->common_memory) {
235 release_mem_region(ipw->link->resource[2]->start,
236 resource_size(ipw->link->resource[2]));
237 iounmap(ipw->common_memory);
238 }
239 if (ipw->attr_memory) {
240 release_mem_region(ipw->link->resource[3]->start,
241 resource_size(ipw->link->resource[3]));
242 iounmap(ipw->attr_memory);
243 }
244 pcmcia_disable_device(ipw->link);
245}
246
247/*
248 * ipwireless_attach() creates an "instance" of the driver, allocating
249 * local data structures for one device (one interface). The device
250 * is registered with Card Services.
251 *
252 * The pcmcia_device structure is initialized, but we don't actually
253 * configure the card at this point -- we wait until we receive a
254 * card insertion event.
255 */
256static int ipwireless_attach(struct pcmcia_device *link)
257{
258 struct ipw_dev *ipw;
259 int ret;
260
261 ipw = kzalloc(sizeof(struct ipw_dev), GFP_KERNEL);
262 if (!ipw)
263 return -ENOMEM;
264
265 ipw->link = link;
266 link->priv = ipw;
267
268 ipw->hardware = ipwireless_hardware_create();
269 if (!ipw->hardware) {
270 kfree(ipw);
271 return -ENOMEM;
272 }
273 /* RegisterClient will call config_ipwireless */
274
275 ret = config_ipwireless(ipw);
276
277 if (ret != 0) {
278 ipwireless_detach(link);
279 return ret;
280 }
281
282 return 0;
283}
284
285/*
286 * This deletes a driver "instance". The device is de-registered with
287 * Card Services. If it has been released, all local data structures
288 * are freed. Otherwise, the structures will be freed when the device
289 * is released.
290 */
291static void ipwireless_detach(struct pcmcia_device *link)
292{
293 struct ipw_dev *ipw = link->priv;
294
295 release_ipwireless(ipw);
296
297 if (ipw->tty != NULL)
298 ipwireless_tty_free(ipw->tty);
299 if (ipw->network != NULL)
300 ipwireless_network_free(ipw->network);
301 if (ipw->hardware != NULL)
302 ipwireless_hardware_free(ipw->hardware);
303 kfree(ipw);
304}
305
306static struct pcmcia_driver me = {
307 .owner = THIS_MODULE,
308 .probe = ipwireless_attach,
309 .remove = ipwireless_detach,
310 .name = IPWIRELESS_PCCARD_NAME,
311 .id_table = ipw_ids
312};
313
314/*
315 * Module insertion : initialisation of the module.
316 * Register the card with cardmgr...
317 */
318static int __init init_ipwireless(void)
319{
320 int ret;
321
322 ret = ipwireless_tty_init();
323 if (ret != 0)
324 return ret;
325
326 ret = pcmcia_register_driver(&me);
327 if (ret != 0)
328 ipwireless_tty_release();
329
330 return ret;
331}
332
333/*
334 * Module removal
335 */
336static void __exit exit_ipwireless(void)
337{
338 pcmcia_unregister_driver(&me);
339 ipwireless_tty_release();
340}
341
342module_init(init_ipwireless);
343module_exit(exit_ipwireless);
344
345MODULE_AUTHOR(IPWIRELESS_PCMCIA_AUTHOR);
346MODULE_DESCRIPTION(IPWIRELESS_PCCARD_NAME " " IPWIRELESS_PCMCIA_VERSION);
347MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-24 07:18:33 -0500