diff options
Diffstat (limited to 'drivers/char/pcmcia/ipwireless/main.c')
-rw-r--r-- | drivers/char/pcmcia/ipwireless/main.c | 335 |
1 files changed, 0 insertions, 335 deletions
diff --git a/drivers/char/pcmcia/ipwireless/main.c b/drivers/char/pcmcia/ipwireless/main.c deleted file mode 100644 index 94b8eb4d691d..000000000000 --- a/drivers/char/pcmcia/ipwireless/main.c +++ /dev/null | |||
@@ -1,335 +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 | |||
36 | static 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 | }; | ||
41 | MODULE_DEVICE_TABLE(pcmcia, ipw_ids); | ||
42 | |||
43 | static void ipwireless_detach(struct pcmcia_device *link); | ||
44 | |||
45 | /* | ||
46 | * Module params | ||
47 | */ | ||
48 | /* Debug mode: more verbose, print sent/recv bytes */ | ||
49 | int ipwireless_debug; | ||
50 | int ipwireless_loopback; | ||
51 | int ipwireless_out_queue = 10; | ||
52 | |||
53 | module_param_named(debug, ipwireless_debug, int, 0); | ||
54 | module_param_named(loopback, ipwireless_loopback, int, 0); | ||
55 | module_param_named(out_queue, ipwireless_out_queue, int, 0); | ||
56 | MODULE_PARM_DESC(debug, "switch on debug messages [0]"); | ||
57 | MODULE_PARM_DESC(loopback, | ||
58 | "debug: enable ras_raw channel [0]"); | ||
59 | MODULE_PARM_DESC(out_queue, "debug: set size of outgoing PPP queue [10]"); | ||
60 | |||
61 | /* Executes in process context. */ | ||
62 | static 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 | |||
70 | static 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 | |||
78 | static int ipwireless_probe(struct pcmcia_device *p_dev, void *priv_data) | ||
79 | { | ||
80 | struct ipw_dev *ipw = priv_data; | ||
81 | struct resource *io_resource; | ||
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 | /* 0x40 causes it to generate level mode interrupts. */ | ||
88 | /* 0x04 enables IREQ pin. */ | ||
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 | io_resource = request_region(p_dev->resource[0]->start, | ||
96 | resource_size(p_dev->resource[0]), | ||
97 | IPWIRELESS_PCCARD_NAME); | ||
98 | |||
99 | p_dev->resource[2]->flags |= | ||
100 | WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_CM | WIN_ENABLE; | ||
101 | |||
102 | ret = pcmcia_request_window(p_dev, p_dev->resource[2], 0); | ||
103 | if (ret != 0) | ||
104 | goto exit1; | ||
105 | |||
106 | ret = pcmcia_map_mem_page(p_dev, p_dev->resource[2], p_dev->card_addr); | ||
107 | if (ret != 0) | ||
108 | goto exit2; | ||
109 | |||
110 | ipw->is_v2_card = resource_size(p_dev->resource[2]) == 0x100; | ||
111 | |||
112 | ipw->attr_memory = ioremap(p_dev->resource[2]->start, | ||
113 | resource_size(p_dev->resource[2])); | ||
114 | request_mem_region(p_dev->resource[2]->start, | ||
115 | resource_size(p_dev->resource[2]), | ||
116 | IPWIRELESS_PCCARD_NAME); | ||
117 | |||
118 | p_dev->resource[3]->flags |= WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_AM | | ||
119 | WIN_ENABLE; | ||
120 | p_dev->resource[3]->end = 0; /* this used to be 0x1000 */ | ||
121 | ret = pcmcia_request_window(p_dev, p_dev->resource[3], 0); | ||
122 | if (ret != 0) | ||
123 | goto exit2; | ||
124 | |||
125 | ret = pcmcia_map_mem_page(p_dev, p_dev->resource[3], 0); | ||
126 | if (ret != 0) | ||
127 | goto exit3; | ||
128 | |||
129 | ipw->attr_memory = ioremap(p_dev->resource[3]->start, | ||
130 | resource_size(p_dev->resource[3])); | ||
131 | request_mem_region(p_dev->resource[3]->start, | ||
132 | resource_size(p_dev->resource[3]), | ||
133 | IPWIRELESS_PCCARD_NAME); | ||
134 | |||
135 | return 0; | ||
136 | |||
137 | exit3: | ||
138 | exit2: | ||
139 | if (ipw->common_memory) { | ||
140 | release_mem_region(p_dev->resource[2]->start, | ||
141 | resource_size(p_dev->resource[2])); | ||
142 | iounmap(ipw->common_memory); | ||
143 | } | ||
144 | exit1: | ||
145 | release_resource(io_resource); | ||
146 | pcmcia_disable_device(p_dev); | ||
147 | return -1; | ||
148 | } | ||
149 | |||
150 | static int config_ipwireless(struct ipw_dev *ipw) | ||
151 | { | ||
152 | struct pcmcia_device *link = ipw->link; | ||
153 | int ret = 0; | ||
154 | |||
155 | ipw->is_v2_card = 0; | ||
156 | link->config_flags |= CONF_AUTO_SET_IO | CONF_AUTO_SET_IOMEM | | ||
157 | CONF_ENABLE_IRQ; | ||
158 | |||
159 | ret = pcmcia_loop_config(link, ipwireless_probe, ipw); | ||
160 | if (ret != 0) | ||
161 | return ret; | ||
162 | |||
163 | INIT_WORK(&ipw->work_reboot, signalled_reboot_work); | ||
164 | |||
165 | ipwireless_init_hardware_v1(ipw->hardware, link->resource[0]->start, | ||
166 | ipw->attr_memory, ipw->common_memory, | ||
167 | ipw->is_v2_card, signalled_reboot_callback, | ||
168 | ipw); | ||
169 | |||
170 | ret = pcmcia_request_irq(link, ipwireless_interrupt); | ||
171 | if (ret != 0) | ||
172 | goto exit; | ||
173 | |||
174 | printk(KERN_INFO IPWIRELESS_PCCARD_NAME ": Card type %s\n", | ||
175 | ipw->is_v2_card ? "V2/V3" : "V1"); | ||
176 | printk(KERN_INFO IPWIRELESS_PCCARD_NAME | ||
177 | ": I/O ports %pR, irq %d\n", link->resource[0], | ||
178 | (unsigned int) link->irq); | ||
179 | if (ipw->attr_memory && ipw->common_memory) | ||
180 | printk(KERN_INFO IPWIRELESS_PCCARD_NAME | ||
181 | ": attr memory %pR, common memory %pR\n", | ||
182 | link->resource[3], | ||
183 | link->resource[2]); | ||
184 | |||
185 | ipw->network = ipwireless_network_create(ipw->hardware); | ||
186 | if (!ipw->network) | ||
187 | goto exit; | ||
188 | |||
189 | ipw->tty = ipwireless_tty_create(ipw->hardware, ipw->network); | ||
190 | if (!ipw->tty) | ||
191 | goto exit; | ||
192 | |||
193 | ipwireless_init_hardware_v2_v3(ipw->hardware); | ||
194 | |||
195 | /* | ||
196 | * Do the RequestConfiguration last, because it enables interrupts. | ||
197 | * Then we don't get any interrupts before we're ready for them. | ||
198 | */ | ||
199 | ret = pcmcia_enable_device(link); | ||
200 | if (ret != 0) | ||
201 | goto exit; | ||
202 | |||
203 | return 0; | ||
204 | |||
205 | exit: | ||
206 | if (ipw->common_memory) { | ||
207 | release_mem_region(link->resource[2]->start, | ||
208 | resource_size(link->resource[2])); | ||
209 | iounmap(ipw->common_memory); | ||
210 | } | ||
211 | if (ipw->attr_memory) { | ||
212 | release_mem_region(link->resource[3]->start, | ||
213 | resource_size(link->resource[3])); | ||
214 | iounmap(ipw->attr_memory); | ||
215 | } | ||
216 | pcmcia_disable_device(link); | ||
217 | return -1; | ||
218 | } | ||
219 | |||
220 | static void release_ipwireless(struct ipw_dev *ipw) | ||
221 | { | ||
222 | if (ipw->common_memory) { | ||
223 | release_mem_region(ipw->link->resource[2]->start, | ||
224 | resource_size(ipw->link->resource[2])); | ||
225 | iounmap(ipw->common_memory); | ||
226 | } | ||
227 | if (ipw->attr_memory) { | ||
228 | release_mem_region(ipw->link->resource[3]->start, | ||
229 | resource_size(ipw->link->resource[3])); | ||
230 | iounmap(ipw->attr_memory); | ||
231 | } | ||
232 | pcmcia_disable_device(ipw->link); | ||
233 | } | ||
234 | |||
235 | /* | ||
236 | * ipwireless_attach() creates an "instance" of the driver, allocating | ||
237 | * local data structures for one device (one interface). The device | ||
238 | * is registered with Card Services. | ||
239 | * | ||
240 | * The pcmcia_device structure is initialized, but we don't actually | ||
241 | * configure the card at this point -- we wait until we receive a | ||
242 | * card insertion event. | ||
243 | */ | ||
244 | static int ipwireless_attach(struct pcmcia_device *link) | ||
245 | { | ||
246 | struct ipw_dev *ipw; | ||
247 | int ret; | ||
248 | |||
249 | ipw = kzalloc(sizeof(struct ipw_dev), GFP_KERNEL); | ||
250 | if (!ipw) | ||
251 | return -ENOMEM; | ||
252 | |||
253 | ipw->link = link; | ||
254 | link->priv = ipw; | ||
255 | |||
256 | ipw->hardware = ipwireless_hardware_create(); | ||
257 | if (!ipw->hardware) { | ||
258 | kfree(ipw); | ||
259 | return -ENOMEM; | ||
260 | } | ||
261 | /* RegisterClient will call config_ipwireless */ | ||
262 | |||
263 | ret = config_ipwireless(ipw); | ||
264 | |||
265 | if (ret != 0) { | ||
266 | ipwireless_detach(link); | ||
267 | return ret; | ||
268 | } | ||
269 | |||
270 | return 0; | ||
271 | } | ||
272 | |||
273 | /* | ||
274 | * This deletes a driver "instance". The device is de-registered with | ||
275 | * Card Services. If it has been released, all local data structures | ||
276 | * are freed. Otherwise, the structures will be freed when the device | ||
277 | * is released. | ||
278 | */ | ||
279 | static void ipwireless_detach(struct pcmcia_device *link) | ||
280 | { | ||
281 | struct ipw_dev *ipw = link->priv; | ||
282 | |||
283 | release_ipwireless(ipw); | ||
284 | |||
285 | if (ipw->tty != NULL) | ||
286 | ipwireless_tty_free(ipw->tty); | ||
287 | if (ipw->network != NULL) | ||
288 | ipwireless_network_free(ipw->network); | ||
289 | if (ipw->hardware != NULL) | ||
290 | ipwireless_hardware_free(ipw->hardware); | ||
291 | kfree(ipw); | ||
292 | } | ||
293 | |||
294 | static struct pcmcia_driver me = { | ||
295 | .owner = THIS_MODULE, | ||
296 | .probe = ipwireless_attach, | ||
297 | .remove = ipwireless_detach, | ||
298 | .name = IPWIRELESS_PCCARD_NAME, | ||
299 | .id_table = ipw_ids | ||
300 | }; | ||
301 | |||
302 | /* | ||
303 | * Module insertion : initialisation of the module. | ||
304 | * Register the card with cardmgr... | ||
305 | */ | ||
306 | static int __init init_ipwireless(void) | ||
307 | { | ||
308 | int ret; | ||
309 | |||
310 | ret = ipwireless_tty_init(); | ||
311 | if (ret != 0) | ||
312 | return ret; | ||
313 | |||
314 | ret = pcmcia_register_driver(&me); | ||
315 | if (ret != 0) | ||
316 | ipwireless_tty_release(); | ||
317 | |||
318 | return ret; | ||
319 | } | ||
320 | |||
321 | /* | ||
322 | * Module removal | ||
323 | */ | ||
324 | static void __exit exit_ipwireless(void) | ||
325 | { | ||
326 | pcmcia_unregister_driver(&me); | ||
327 | ipwireless_tty_release(); | ||
328 | } | ||
329 | |||
330 | module_init(init_ipwireless); | ||
331 | module_exit(exit_ipwireless); | ||
332 | |||
333 | MODULE_AUTHOR(IPWIRELESS_PCMCIA_AUTHOR); | ||
334 | MODULE_DESCRIPTION(IPWIRELESS_PCCARD_NAME " " IPWIRELESS_PCMCIA_VERSION); | ||
335 | MODULE_LICENSE("GPL"); | ||