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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.c370
1 files changed, 0 insertions, 370 deletions
diff --git a/drivers/char/pcmcia/ipwireless/main.c b/drivers/char/pcmcia/ipwireless/main.c
deleted file mode 100644
index 67bdb05798b1..000000000000
--- a/drivers/char/pcmcia/ipwireless/main.c
+++ /dev/null
@@ -1,370 +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#include <pcmcia/cs.h>
36
37static 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 * Module params
48 */
49/* Debug mode: more verbose, print sent/recv bytes */
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/* Executes in process context. */
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 /* Delegate to process context. */
76 schedule_work(&ipw->work_reboot);
77}
78
79static int ipwireless_probe(struct pcmcia_device *p_dev,
80 cistpl_cftable_entry_t *cfg,
81 cistpl_cftable_entry_t *dflt,
82 unsigned int vcc,
83 void *priv_data)
84{
85 struct ipw_dev *ipw = priv_data;
86 struct resource *io_resource;
87 int ret;
88
89 p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
90 p_dev->resource[0]->start = cfg->io.win[0].base;
91 p_dev->resource[0]->end = cfg->io.win[0].len;
92
93 /* 0x40 causes it to generate level mode interrupts. */
94 /* 0x04 enables IREQ pin. */
95 p_dev->conf.ConfigIndex = cfg->index | 0x44;
96 p_dev->io_lines = 16;
97 ret = pcmcia_request_io(p_dev);
98 if (ret)
99 return ret;
100
101 io_resource = request_region(p_dev->resource[0]->start,
102 resource_size(p_dev->resource[0]),
103 IPWIRELESS_PCCARD_NAME);
104
105 if (cfg->mem.nwin == 0)
106 return 0;
107
108 ipw->request_common_memory.Attributes =
109 WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_CM | WIN_ENABLE;
110 ipw->request_common_memory.Base = cfg->mem.win[0].host_addr;
111 ipw->request_common_memory.Size = cfg->mem.win[0].len;
112 if (ipw->request_common_memory.Size < 0x1000)
113 ipw->request_common_memory.Size = 0x1000;
114 ipw->request_common_memory.AccessSpeed = 0;
115
116 ret = pcmcia_request_window(p_dev, &ipw->request_common_memory,
117 &ipw->handle_common_memory);
118
119 if (ret != 0)
120 goto exit1;
121
122 ret = pcmcia_map_mem_page(p_dev, ipw->handle_common_memory,
123 cfg->mem.win[0].card_addr);
124
125 if (ret != 0)
126 goto exit2;
127
128 ipw->is_v2_card = cfg->mem.win[0].len == 0x100;
129
130 ipw->common_memory = ioremap(ipw->request_common_memory.Base,
131 ipw->request_common_memory.Size);
132 request_mem_region(ipw->request_common_memory.Base,
133 ipw->request_common_memory.Size,
134 IPWIRELESS_PCCARD_NAME);
135
136 ipw->request_attr_memory.Attributes =
137 WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_AM | WIN_ENABLE;
138 ipw->request_attr_memory.Base = 0;
139 ipw->request_attr_memory.Size = 0; /* this used to be 0x1000 */
140 ipw->request_attr_memory.AccessSpeed = 0;
141
142 ret = pcmcia_request_window(p_dev, &ipw->request_attr_memory,
143 &ipw->handle_attr_memory);
144
145 if (ret != 0)
146 goto exit2;
147
148 ret = pcmcia_map_mem_page(p_dev, ipw->handle_attr_memory, 0);
149 if (ret != 0)
150 goto exit3;
151
152 ipw->attr_memory = ioremap(ipw->request_attr_memory.Base,
153 ipw->request_attr_memory.Size);
154 request_mem_region(ipw->request_attr_memory.Base,
155 ipw->request_attr_memory.Size, IPWIRELESS_PCCARD_NAME);
156
157 return 0;
158
159exit3:
160exit2:
161 if (ipw->common_memory) {
162 release_mem_region(ipw->request_common_memory.Base,
163 ipw->request_common_memory.Size);
164 iounmap(ipw->common_memory);
165 }
166exit1:
167 release_resource(io_resource);
168 pcmcia_disable_device(p_dev);
169 return -1;
170}
171
172static int config_ipwireless(struct ipw_dev *ipw)
173{
174 struct pcmcia_device *link = ipw->link;
175 int ret = 0;
176
177 ipw->is_v2_card = 0;
178
179 ret = pcmcia_loop_config(link, ipwireless_probe, ipw);
180 if (ret != 0)
181 return ret;
182
183 link->conf.Attributes = CONF_ENABLE_IRQ;
184 link->conf.IntType = INT_MEMORY_AND_IO;
185
186 INIT_WORK(&ipw->work_reboot, signalled_reboot_work);
187
188 ipwireless_init_hardware_v1(ipw->hardware, link->resource[0]->start,
189 ipw->attr_memory, ipw->common_memory,
190 ipw->is_v2_card, signalled_reboot_callback,
191 ipw);
192
193 ret = pcmcia_request_irq(link, ipwireless_interrupt);
194 if (ret != 0)
195 goto exit;
196
197 printk(KERN_INFO IPWIRELESS_PCCARD_NAME ": Card type %s\n",
198 ipw->is_v2_card ? "V2/V3" : "V1");
199 printk(KERN_INFO IPWIRELESS_PCCARD_NAME
200 ": I/O ports %pR, irq %d\n", link->resource[0],
201 (unsigned int) link->irq);
202 if (ipw->attr_memory && ipw->common_memory)
203 printk(KERN_INFO IPWIRELESS_PCCARD_NAME
204 ": attr memory 0x%08lx-0x%08lx, common memory 0x%08lx-0x%08lx\n",
205 ipw->request_attr_memory.Base,
206 ipw->request_attr_memory.Base
207 + ipw->request_attr_memory.Size - 1,
208 ipw->request_common_memory.Base,
209 ipw->request_common_memory.Base
210 + ipw->request_common_memory.Size - 1);
211
212 ipw->network = ipwireless_network_create(ipw->hardware);
213 if (!ipw->network)
214 goto exit;
215
216 ipw->tty = ipwireless_tty_create(ipw->hardware, ipw->network);
217 if (!ipw->tty)
218 goto exit;
219
220 ipwireless_init_hardware_v2_v3(ipw->hardware);
221
222 /*
223 * Do the RequestConfiguration last, because it enables interrupts.
224 * Then we don't get any interrupts before we're ready for them.
225 */
226 ret = pcmcia_request_configuration(link, &link->conf);
227
228 if (ret != 0)
229 goto exit;
230
231 return 0;
232
233exit:
234 if (ipw->attr_memory) {
235 release_mem_region(ipw->request_attr_memory.Base,
236 ipw->request_attr_memory.Size);
237 iounmap(ipw->attr_memory);
238
239 }
240 if (ipw->common_memory) {
241 release_mem_region(ipw->request_common_memory.Base,
242 ipw->request_common_memory.Size);
243 iounmap(ipw->common_memory);
244 }
245 pcmcia_disable_device(link);
246 return -1;
247}
248
249static void release_ipwireless(struct ipw_dev *ipw)
250{
251 if (ipw->common_memory) {
252 release_mem_region(ipw->request_common_memory.Base,
253 ipw->request_common_memory.Size);
254 iounmap(ipw->common_memory);
255 }
256 if (ipw->attr_memory) {
257 release_mem_region(ipw->request_attr_memory.Base,
258 ipw->request_attr_memory.Size);
259 iounmap(ipw->attr_memory);
260 }
261 pcmcia_disable_device(ipw->link);
262}
263
264/*
265 * ipwireless_attach() creates an "instance" of the driver, allocating
266 * local data structures for one device (one interface). The device
267 * is registered with Card Services.
268 *
269 * The pcmcia_device structure is initialized, but we don't actually
270 * configure the card at this point -- we wait until we receive a
271 * card insertion event.
272 */
273static int ipwireless_attach(struct pcmcia_device *link)
274{
275 struct ipw_dev *ipw;
276 int ret;
277
278 ipw = kzalloc(sizeof(struct ipw_dev), GFP_KERNEL);
279 if (!ipw)
280 return -ENOMEM;
281
282 ipw->link = link;
283 link->priv = ipw;
284
285 ipw->hardware = ipwireless_hardware_create();
286 if (!ipw->hardware) {
287 kfree(ipw);
288 return -ENOMEM;
289 }
290 /* RegisterClient will call config_ipwireless */
291
292 ret = config_ipwireless(ipw);
293
294 if (ret != 0) {
295 ipwireless_detach(link);
296 return ret;
297 }
298
299 return 0;
300}
301
302/*
303 * This deletes a driver "instance". The device is de-registered with
304 * Card Services. If it has been released, all local data structures
305 * are freed. Otherwise, the structures will be freed when the device
306 * is released.
307 */
308static void ipwireless_detach(struct pcmcia_device *link)
309{
310 struct ipw_dev *ipw = link->priv;
311
312 release_ipwireless(ipw);
313
314 if (ipw->tty != NULL)
315 ipwireless_tty_free(ipw->tty);
316 if (ipw->network != NULL)
317 ipwireless_network_free(ipw->network);
318 if (ipw->hardware != NULL)
319 ipwireless_hardware_free(ipw->hardware);
320 kfree(ipw);
321}
322
323static struct pcmcia_driver me = {
324 .owner = THIS_MODULE,
325 .probe = ipwireless_attach,
326 .remove = ipwireless_detach,
327 .drv = { .name = IPWIRELESS_PCCARD_NAME },
328 .id_table = ipw_ids
329};
330
331/*
332 * Module insertion : initialisation of the module.
333 * Register the card with cardmgr...
334 */
335static int __init init_ipwireless(void)
336{
337 int ret;
338
339 printk(KERN_INFO IPWIRELESS_PCCARD_NAME " "
340 IPWIRELESS_PCMCIA_VERSION " by " IPWIRELESS_PCMCIA_AUTHOR "\n");
341
342 ret = ipwireless_tty_init();
343 if (ret != 0)
344 return ret;
345
346 ret = pcmcia_register_driver(&me);
347 if (ret != 0)
348 ipwireless_tty_release();
349
350 return ret;
351}
352
353/*
354 * Module removal
355 */
356static void __exit exit_ipwireless(void)
357{
358 printk(KERN_INFO IPWIRELESS_PCCARD_NAME " "
359 IPWIRELESS_PCMCIA_VERSION " removed\n");
360
361 pcmcia_unregister_driver(&me);
362 ipwireless_tty_release();
363}
364
365module_init(init_ipwireless);
366module_exit(exit_ipwireless);
367
368MODULE_AUTHOR(IPWIRELESS_PCMCIA_AUTHOR);
369MODULE_DESCRIPTION(IPWIRELESS_PCCARD_NAME " " IPWIRELESS_PCMCIA_VERSION);
370MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2025-04-11 06:10:16 -0400