Commit | Line | Data |
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a0848826 IPG |
1 | /* |
2 | * Intel Wireless WiMAX Connection 2400m | |
3 | * Linux driver model glue for the SDIO device, reset & fw upload | |
4 | * | |
5 | * | |
6 | * Copyright (C) 2007-2008 Intel Corporation <linux-wimax@intel.com> | |
7 | * Dirk Brandewie <dirk.j.brandewie@intel.com> | |
8 | * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> | |
9 | * Yanir Lubetkin <yanirx.lubetkin@intel.com> | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or | |
12 | * modify it under the terms of the GNU General Public License version | |
13 | * 2 as published by the Free Software Foundation. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
23 | * 02110-1301, USA. | |
24 | * | |
25 | * | |
26 | * See i2400m-sdio.h for a general description of this driver. | |
27 | * | |
28 | * This file implements driver model glue, and hook ups for the | |
29 | * generic driver to implement the bus-specific functions (device | |
30 | * communication setup/tear down, firmware upload and resetting). | |
31 | * | |
32 | * ROADMAP | |
33 | * | |
34 | * i2400m_probe() | |
35 | * alloc_netdev() | |
36 | * i2400ms_netdev_setup() | |
37 | * i2400ms_init() | |
38 | * i2400m_netdev_setup() | |
39 | * i2400ms_enable_function() | |
40 | * i2400m_setup() | |
41 | * | |
42 | * i2400m_remove() | |
43 | * i2400m_release() | |
44 | * free_netdev(net_dev) | |
45 | * | |
46 | * i2400ms_bus_reset() Called by i2400m->bus_reset | |
47 | * __i2400ms_reset() | |
48 | * __i2400ms_send_barker() | |
49 | * | |
50 | * i2400ms_bus_dev_start() Called by i2400m_dev_start() [who is | |
51 | * i2400ms_tx_setup() called by i2400m_setup()] | |
52 | * i2400ms_rx_setup() | |
53 | * | |
54 | * i2400ms_bus_dev_stop() Called by i2400m_dev_stop() [who is | |
55 | * i2400ms_rx_release() is called by i2400m_release()] | |
56 | * i2400ms_tx_release() | |
57 | * | |
58 | */ | |
59 | ||
60 | #include <linux/debugfs.h> | |
61 | #include <linux/mmc/sdio.h> | |
62 | #include <linux/mmc/sdio_func.h> | |
63 | #include "i2400m-sdio.h" | |
64 | #include <linux/wimax/i2400m.h> | |
65 | ||
66 | #define D_SUBMODULE main | |
67 | #include "sdio-debug-levels.h" | |
68 | ||
69 | /* IOE WiMAX function timeout in seconds */ | |
70 | static int ioe_timeout = 2; | |
71 | module_param(ioe_timeout, int, 0); | |
72 | ||
1039abbc IPG |
73 | /* Our firmware file name list */ |
74 | static const char *i2400ms_bus_fw_names[] = { | |
75 | #define I2400MS_FW_FILE_NAME "i2400m-fw-sdio-1.3.sbcf" | |
76 | I2400MS_FW_FILE_NAME, | |
77 | NULL | |
78 | }; | |
79 | ||
a0848826 | 80 | |
1c0b2dd7 DB |
81 | static const struct i2400m_poke_table i2400ms_pokes[] = { |
82 | I2400M_FW_POKE(0x6BE260, 0x00000088), | |
83 | I2400M_FW_POKE(0x080550, 0x00000005), | |
84 | I2400M_FW_POKE(0xAE0000, 0x00000000), | |
85 | I2400M_FW_POKE(0x000000, 0x00000000), /* MUST be 0 terminated or bad | |
86 | * things will happen */ | |
87 | }; | |
88 | ||
a0848826 IPG |
89 | /* |
90 | * Enable the SDIO function | |
91 | * | |
92 | * Tries to enable the SDIO function; might fail if it is still not | |
93 | * ready (in some hardware, the SDIO WiMAX function is only enabled | |
94 | * when we ask it to explicitly doing). Tries until a timeout is | |
95 | * reached. | |
96 | * | |
97 | * The reverse of this is...sdio_disable_function() | |
98 | * | |
99 | * Returns: 0 if the SDIO function was enabled, < 0 errno code on | |
100 | * error (-ENODEV when it was unable to enable the function). | |
101 | */ | |
102 | static | |
103 | int i2400ms_enable_function(struct sdio_func *func) | |
104 | { | |
105 | u64 timeout; | |
106 | int err; | |
107 | struct device *dev = &func->dev; | |
108 | ||
109 | d_fnstart(3, dev, "(func %p)\n", func); | |
110 | /* Setup timeout (FIXME: This needs to read the CIS table to | |
111 | * get a real timeout) and then wait for the device to signal | |
112 | * it is ready */ | |
113 | timeout = get_jiffies_64() + ioe_timeout * HZ; | |
114 | err = -ENODEV; | |
115 | while (err != 0 && time_before64(get_jiffies_64(), timeout)) { | |
116 | sdio_claim_host(func); | |
117 | err = sdio_enable_func(func); | |
118 | if (0 == err) { | |
119 | sdio_release_host(func); | |
120 | d_printf(2, dev, "SDIO function enabled\n"); | |
121 | goto function_enabled; | |
122 | } | |
123 | d_printf(2, dev, "SDIO function failed to enable: %d\n", err); | |
124 | sdio_disable_func(func); | |
125 | sdio_release_host(func); | |
126 | msleep(I2400MS_INIT_SLEEP_INTERVAL); | |
127 | } | |
128 | /* If timed out, device is not there yet -- get -ENODEV so | |
129 | * the device driver core will retry later on. */ | |
130 | if (err == -ETIME) { | |
131 | dev_err(dev, "Can't enable WiMAX function; " | |
132 | " has the function been enabled?\n"); | |
133 | err = -ENODEV; | |
134 | } | |
135 | function_enabled: | |
136 | d_fnend(3, dev, "(func %p) = %d\n", func, err); | |
137 | return err; | |
138 | } | |
139 | ||
140 | ||
141 | /* | |
142 | * Setup driver resources needed to communicate with the device | |
143 | * | |
144 | * The fw needs some time to settle, and it was just uploaded, | |
145 | * so give it a break first. I'd prefer to just wait for the device to | |
146 | * send something, but seems the poking we do to enable SDIO stuff | |
147 | * interferes with it, so just give it a break before starting... | |
148 | */ | |
149 | static | |
150 | int i2400ms_bus_dev_start(struct i2400m *i2400m) | |
151 | { | |
152 | int result; | |
153 | struct i2400ms *i2400ms = container_of(i2400m, struct i2400ms, i2400m); | |
154 | struct sdio_func *func = i2400ms->func; | |
155 | struct device *dev = &func->dev; | |
156 | ||
157 | d_fnstart(3, dev, "(i2400m %p)\n", i2400m); | |
158 | msleep(200); | |
a0848826 IPG |
159 | result = i2400ms_tx_setup(i2400ms); |
160 | if (result < 0) | |
161 | goto error_tx_setup; | |
162 | d_fnend(3, dev, "(i2400m %p) = %d\n", i2400m, result); | |
163 | return result; | |
164 | ||
a0848826 | 165 | error_tx_setup: |
16820c16 | 166 | i2400ms_tx_release(i2400ms); |
a0848826 IPG |
167 | d_fnend(3, dev, "(i2400m %p) = void\n", i2400m); |
168 | return result; | |
169 | } | |
170 | ||
171 | ||
172 | static | |
173 | void i2400ms_bus_dev_stop(struct i2400m *i2400m) | |
174 | { | |
175 | struct i2400ms *i2400ms = container_of(i2400m, struct i2400ms, i2400m); | |
176 | struct sdio_func *func = i2400ms->func; | |
177 | struct device *dev = &func->dev; | |
178 | ||
179 | d_fnstart(3, dev, "(i2400m %p)\n", i2400m); | |
a0848826 IPG |
180 | i2400ms_tx_release(i2400ms); |
181 | d_fnend(3, dev, "(i2400m %p) = void\n", i2400m); | |
182 | } | |
183 | ||
184 | ||
185 | /* | |
186 | * Sends a barker buffer to the device | |
187 | * | |
188 | * This helper will allocate a kmalloced buffer and use it to transmit | |
189 | * (then free it). Reason for this is that the SDIO host controller | |
190 | * expects alignment (unknown exactly which) which the stack won't | |
191 | * really provide and certain arches/host-controller combinations | |
192 | * cannot use stack/vmalloc/text areas for DMA transfers. | |
193 | */ | |
194 | static | |
195 | int __i2400ms_send_barker(struct i2400ms *i2400ms, | |
196 | const __le32 *barker, size_t barker_size) | |
197 | { | |
198 | int ret; | |
199 | struct sdio_func *func = i2400ms->func; | |
200 | struct device *dev = &func->dev; | |
201 | void *buffer; | |
202 | ||
203 | ret = -ENOMEM; | |
204 | buffer = kmalloc(I2400MS_BLK_SIZE, GFP_KERNEL); | |
205 | if (buffer == NULL) | |
206 | goto error_kzalloc; | |
207 | ||
208 | memcpy(buffer, barker, barker_size); | |
209 | sdio_claim_host(func); | |
210 | ret = sdio_memcpy_toio(func, 0, buffer, I2400MS_BLK_SIZE); | |
211 | sdio_release_host(func); | |
212 | ||
213 | if (ret < 0) | |
214 | d_printf(0, dev, "E: barker error: %d\n", ret); | |
215 | ||
216 | kfree(buffer); | |
217 | error_kzalloc: | |
218 | return ret; | |
219 | } | |
220 | ||
221 | ||
222 | /* | |
223 | * Reset a device at different levels (warm, cold or bus) | |
224 | * | |
225 | * @i2400ms: device descriptor | |
226 | * @reset_type: soft, warm or bus reset (I2400M_RT_WARM/SOFT/BUS) | |
227 | * | |
228 | * FIXME: not tested -- need to confirm expected effects | |
229 | * | |
230 | * Warm and cold resets get an SDIO reset if they fail (unimplemented) | |
231 | * | |
232 | * Warm reset: | |
233 | * | |
234 | * The device will be fully reset internally, but won't be | |
235 | * disconnected from the USB bus (so no reenumeration will | |
236 | * happen). Firmware upload will be neccessary. | |
237 | * | |
238 | * The device will send a reboot barker in the notification endpoint | |
239 | * that will trigger the driver to reinitialize the state | |
240 | * automatically from notif.c:i2400m_notification_grok() into | |
241 | * i2400m_dev_bootstrap_delayed(). | |
242 | * | |
243 | * Cold and bus (USB) reset: | |
244 | * | |
245 | * The device will be fully reset internally, disconnected from the | |
246 | * USB bus an a reenumeration will happen. Firmware upload will be | |
247 | * neccessary. Thus, we don't do any locking or struct | |
248 | * reinitialization, as we are going to be fully disconnected and | |
249 | * reenumerated. | |
250 | * | |
251 | * Note we need to return -ENODEV if a warm reset was requested and we | |
252 | * had to resort to a bus reset. See i2400m_op_reset(), wimax_reset() | |
253 | * and wimax_dev->op_reset. | |
254 | * | |
255 | * WARNING: no driver state saved/fixed | |
256 | */ | |
257 | static | |
258 | int i2400ms_bus_reset(struct i2400m *i2400m, enum i2400m_reset_type rt) | |
259 | { | |
10b1de6b | 260 | int result = 0; |
a0848826 IPG |
261 | struct i2400ms *i2400ms = |
262 | container_of(i2400m, struct i2400ms, i2400m); | |
263 | struct device *dev = i2400m_dev(i2400m); | |
264 | static const __le32 i2400m_WARM_BOOT_BARKER[4] = { | |
ee437770 HH |
265 | cpu_to_le32(I2400M_WARM_RESET_BARKER), |
266 | cpu_to_le32(I2400M_WARM_RESET_BARKER), | |
267 | cpu_to_le32(I2400M_WARM_RESET_BARKER), | |
268 | cpu_to_le32(I2400M_WARM_RESET_BARKER), | |
a0848826 IPG |
269 | }; |
270 | static const __le32 i2400m_COLD_BOOT_BARKER[4] = { | |
ee437770 HH |
271 | cpu_to_le32(I2400M_COLD_RESET_BARKER), |
272 | cpu_to_le32(I2400M_COLD_RESET_BARKER), | |
273 | cpu_to_le32(I2400M_COLD_RESET_BARKER), | |
274 | cpu_to_le32(I2400M_COLD_RESET_BARKER), | |
a0848826 IPG |
275 | }; |
276 | ||
277 | if (rt == I2400M_RT_WARM) | |
278 | result = __i2400ms_send_barker(i2400ms, i2400m_WARM_BOOT_BARKER, | |
279 | sizeof(i2400m_WARM_BOOT_BARKER)); | |
280 | else if (rt == I2400M_RT_COLD) | |
281 | result = __i2400ms_send_barker(i2400ms, i2400m_COLD_BOOT_BARKER, | |
282 | sizeof(i2400m_COLD_BOOT_BARKER)); | |
283 | else if (rt == I2400M_RT_BUS) { | |
284 | do_bus_reset: | |
10b1de6b DB |
285 | /* call netif_tx_disable() before sending IOE disable, |
286 | * so that all the tx from network layer are stopped | |
287 | * while IOE is being reset. Make sure it is called | |
288 | * only after register_netdev() was issued. | |
289 | */ | |
290 | if (i2400m->wimax_dev.net_dev->reg_state == NETREG_REGISTERED) | |
291 | netif_tx_disable(i2400m->wimax_dev.net_dev); | |
292 | ||
16820c16 | 293 | i2400ms_rx_release(i2400ms); |
10b1de6b DB |
294 | sdio_claim_host(i2400ms->func); |
295 | sdio_disable_func(i2400ms->func); | |
296 | sdio_release_host(i2400ms->func); | |
297 | ||
298 | /* Wait for the device to settle */ | |
299 | msleep(40); | |
300 | ||
301 | result = i2400ms_enable_function(i2400ms->func); | |
16820c16 IPG |
302 | if (result >= 0) |
303 | i2400ms_rx_setup(i2400ms); | |
a0848826 IPG |
304 | } else |
305 | BUG(); | |
306 | if (result < 0 && rt != I2400M_RT_BUS) { | |
307 | dev_err(dev, "%s reset failed (%d); trying SDIO reset\n", | |
308 | rt == I2400M_RT_WARM ? "warm" : "cold", result); | |
309 | rt = I2400M_RT_BUS; | |
310 | goto do_bus_reset; | |
311 | } | |
312 | return result; | |
313 | } | |
314 | ||
315 | ||
316 | static | |
317 | void i2400ms_netdev_setup(struct net_device *net_dev) | |
318 | { | |
319 | struct i2400m *i2400m = net_dev_to_i2400m(net_dev); | |
320 | struct i2400ms *i2400ms = container_of(i2400m, struct i2400ms, i2400m); | |
321 | i2400ms_init(i2400ms); | |
322 | i2400m_netdev_setup(net_dev); | |
323 | } | |
324 | ||
325 | ||
326 | /* | |
327 | * Debug levels control; see debug.h | |
328 | */ | |
329 | struct d_level D_LEVEL[] = { | |
330 | D_SUBMODULE_DEFINE(main), | |
331 | D_SUBMODULE_DEFINE(tx), | |
332 | D_SUBMODULE_DEFINE(rx), | |
333 | D_SUBMODULE_DEFINE(fw), | |
334 | }; | |
335 | size_t D_LEVEL_SIZE = ARRAY_SIZE(D_LEVEL); | |
336 | ||
337 | ||
338 | #define __debugfs_register(prefix, name, parent) \ | |
339 | do { \ | |
340 | result = d_level_register_debugfs(prefix, name, parent); \ | |
341 | if (result < 0) \ | |
342 | goto error; \ | |
343 | } while (0) | |
344 | ||
345 | ||
346 | static | |
347 | int i2400ms_debugfs_add(struct i2400ms *i2400ms) | |
348 | { | |
349 | int result; | |
350 | struct dentry *dentry = i2400ms->i2400m.wimax_dev.debugfs_dentry; | |
351 | ||
352 | dentry = debugfs_create_dir("i2400m-usb", dentry); | |
353 | result = PTR_ERR(dentry); | |
354 | if (IS_ERR(dentry)) { | |
355 | if (result == -ENODEV) | |
356 | result = 0; /* No debugfs support */ | |
357 | goto error; | |
358 | } | |
359 | i2400ms->debugfs_dentry = dentry; | |
360 | __debugfs_register("dl_", main, dentry); | |
361 | __debugfs_register("dl_", tx, dentry); | |
362 | __debugfs_register("dl_", rx, dentry); | |
363 | __debugfs_register("dl_", fw, dentry); | |
364 | ||
365 | return 0; | |
366 | ||
367 | error: | |
368 | debugfs_remove_recursive(i2400ms->debugfs_dentry); | |
369 | return result; | |
370 | } | |
371 | ||
372 | ||
373 | /* | |
374 | * Probe a i2400m interface and register it | |
375 | * | |
376 | * @func: SDIO function | |
377 | * @id: SDIO device ID | |
378 | * @returns: 0 if ok, < 0 errno code on error. | |
379 | * | |
380 | * Alloc a net device, initialize the bus-specific details and then | |
381 | * calls the bus-generic initialization routine. That will register | |
382 | * the wimax and netdev devices, upload the firmware [using | |
383 | * _bus_bm_*()], call _bus_dev_start() to finalize the setup of the | |
384 | * communication with the device and then will start to talk to it to | |
385 | * finnish setting it up. | |
386 | * | |
387 | * Initialization is tricky; some instances of the hw are packed with | |
388 | * others in a way that requires a third driver that enables the WiMAX | |
389 | * function. In those cases, we can't enable the SDIO function and | |
390 | * we'll return with -ENODEV. When the driver that enables the WiMAX | |
391 | * function does its thing, it has to do a bus_rescan_devices() on the | |
392 | * SDIO bus so this driver is called again to enumerate the WiMAX | |
393 | * function. | |
394 | */ | |
395 | static | |
396 | int i2400ms_probe(struct sdio_func *func, | |
397 | const struct sdio_device_id *id) | |
398 | { | |
399 | int result; | |
400 | struct net_device *net_dev; | |
401 | struct device *dev = &func->dev; | |
402 | struct i2400m *i2400m; | |
403 | struct i2400ms *i2400ms; | |
404 | ||
405 | /* Allocate instance [calls i2400m_netdev_setup() on it]. */ | |
406 | result = -ENOMEM; | |
407 | net_dev = alloc_netdev(sizeof(*i2400ms), "wmx%d", | |
408 | i2400ms_netdev_setup); | |
409 | if (net_dev == NULL) { | |
410 | dev_err(dev, "no memory for network device instance\n"); | |
411 | goto error_alloc_netdev; | |
412 | } | |
413 | SET_NETDEV_DEV(net_dev, dev); | |
414 | i2400m = net_dev_to_i2400m(net_dev); | |
415 | i2400ms = container_of(i2400m, struct i2400ms, i2400m); | |
416 | i2400m->wimax_dev.net_dev = net_dev; | |
417 | i2400ms->func = func; | |
418 | sdio_set_drvdata(func, i2400ms); | |
419 | ||
420 | i2400m->bus_tx_block_size = I2400MS_BLK_SIZE; | |
421 | i2400m->bus_pl_size_max = I2400MS_PL_SIZE_MAX; | |
422 | i2400m->bus_dev_start = i2400ms_bus_dev_start; | |
423 | i2400m->bus_dev_stop = i2400ms_bus_dev_stop; | |
424 | i2400m->bus_tx_kick = i2400ms_bus_tx_kick; | |
425 | i2400m->bus_reset = i2400ms_bus_reset; | |
ecddfd5e IPG |
426 | /* The iwmc3200-wimax sometimes requires the driver to try |
427 | * hard when we paint it into a corner. */ | |
428 | i2400m->bus_bm_retries = I3200_BOOT_RETRIES; | |
a0848826 IPG |
429 | i2400m->bus_bm_cmd_send = i2400ms_bus_bm_cmd_send; |
430 | i2400m->bus_bm_wait_for_ack = i2400ms_bus_bm_wait_for_ack; | |
1039abbc | 431 | i2400m->bus_fw_names = i2400ms_bus_fw_names; |
a0848826 | 432 | i2400m->bus_bm_mac_addr_impaired = 1; |
1c0b2dd7 | 433 | i2400m->bus_bm_pokes_table = &i2400ms_pokes[0]; |
a0848826 | 434 | |
a0848826 IPG |
435 | sdio_claim_host(func); |
436 | result = sdio_set_block_size(func, I2400MS_BLK_SIZE); | |
a0a4c4c9 | 437 | sdio_release_host(func); |
a0848826 IPG |
438 | if (result < 0) { |
439 | dev_err(dev, "Failed to set block size: %d\n", result); | |
440 | goto error_set_blk_size; | |
441 | } | |
a0a4c4c9 IPG |
442 | |
443 | result = i2400ms_enable_function(i2400ms->func); | |
444 | if (result < 0) { | |
445 | dev_err(dev, "Cannot enable SDIO function: %d\n", result); | |
446 | goto error_func_enable; | |
447 | } | |
a0848826 | 448 | |
16820c16 IPG |
449 | result = i2400ms_rx_setup(i2400ms); |
450 | if (result < 0) | |
451 | goto error_rx_setup; | |
452 | ||
a0848826 IPG |
453 | result = i2400m_setup(i2400m, I2400M_BRI_NO_REBOOT); |
454 | if (result < 0) { | |
455 | dev_err(dev, "cannot setup device: %d\n", result); | |
456 | goto error_setup; | |
457 | } | |
458 | ||
459 | result = i2400ms_debugfs_add(i2400ms); | |
460 | if (result < 0) { | |
461 | dev_err(dev, "cannot create SDIO debugfs: %d\n", | |
462 | result); | |
463 | goto error_debugfs_add; | |
464 | } | |
465 | return 0; | |
466 | ||
467 | error_debugfs_add: | |
468 | i2400m_release(i2400m); | |
469 | error_setup: | |
16820c16 IPG |
470 | i2400ms_rx_release(i2400ms); |
471 | error_rx_setup: | |
a0848826 | 472 | sdio_claim_host(func); |
a0848826 IPG |
473 | sdio_disable_func(func); |
474 | sdio_release_host(func); | |
475 | error_func_enable: | |
a0a4c4c9 IPG |
476 | error_set_blk_size: |
477 | sdio_set_drvdata(func, NULL); | |
a0848826 IPG |
478 | free_netdev(net_dev); |
479 | error_alloc_netdev: | |
480 | return result; | |
481 | } | |
482 | ||
483 | ||
484 | static | |
485 | void i2400ms_remove(struct sdio_func *func) | |
486 | { | |
487 | struct device *dev = &func->dev; | |
488 | struct i2400ms *i2400ms = sdio_get_drvdata(func); | |
489 | struct i2400m *i2400m = &i2400ms->i2400m; | |
490 | struct net_device *net_dev = i2400m->wimax_dev.net_dev; | |
491 | ||
492 | d_fnstart(3, dev, "SDIO func %p\n", func); | |
493 | debugfs_remove_recursive(i2400ms->debugfs_dentry); | |
16820c16 | 494 | i2400ms_rx_release(i2400ms); |
a0848826 IPG |
495 | i2400m_release(i2400m); |
496 | sdio_set_drvdata(func, NULL); | |
497 | sdio_claim_host(func); | |
498 | sdio_disable_func(func); | |
499 | sdio_release_host(func); | |
500 | free_netdev(net_dev); | |
501 | d_fnend(3, dev, "SDIO func %p\n", func); | |
502 | } | |
503 | ||
504 | enum { | |
505 | I2400MS_INTEL_VID = 0x89, | |
506 | }; | |
507 | ||
508 | static | |
509 | const struct sdio_device_id i2400ms_sdio_ids[] = { | |
510 | /* Intel: i2400m WiMAX over SDIO */ | |
511 | { SDIO_DEVICE(I2400MS_INTEL_VID, 0x1402) }, | |
512 | { }, /* end: all zeroes */ | |
513 | }; | |
514 | MODULE_DEVICE_TABLE(sdio, i2400ms_sdio_ids); | |
515 | ||
516 | ||
517 | static | |
518 | struct sdio_driver i2400m_sdio_driver = { | |
519 | .name = KBUILD_MODNAME, | |
520 | .probe = i2400ms_probe, | |
521 | .remove = i2400ms_remove, | |
522 | .id_table = i2400ms_sdio_ids, | |
523 | }; | |
524 | ||
525 | ||
526 | static | |
527 | int __init i2400ms_driver_init(void) | |
528 | { | |
529 | return sdio_register_driver(&i2400m_sdio_driver); | |
530 | } | |
531 | module_init(i2400ms_driver_init); | |
532 | ||
533 | ||
534 | static | |
535 | void __exit i2400ms_driver_exit(void) | |
536 | { | |
537 | flush_scheduled_work(); /* for the stuff we schedule */ | |
538 | sdio_unregister_driver(&i2400m_sdio_driver); | |
539 | } | |
540 | module_exit(i2400ms_driver_exit); | |
541 | ||
542 | ||
543 | MODULE_AUTHOR("Intel Corporation <linux-wimax@intel.com>"); | |
544 | MODULE_DESCRIPTION("Intel 2400M WiMAX networking for SDIO"); | |
545 | MODULE_LICENSE("GPL"); | |
546 | MODULE_FIRMWARE(I2400MS_FW_FILE_NAME); |