blob: 0d64d16bd264cba36507dd59f8a90b9f04c2150b [file] [log] [blame]
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -08001/*
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>
Tomas Winkler51def0b2009-07-22 14:06:56 +000061#include <linux/mmc/sdio_ids.h>
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -080062#include <linux/mmc/sdio.h>
63#include <linux/mmc/sdio_func.h>
64#include "i2400m-sdio.h"
65#include <linux/wimax/i2400m.h>
66
67#define D_SUBMODULE main
68#include "sdio-debug-levels.h"
69
70/* IOE WiMAX function timeout in seconds */
71static int ioe_timeout = 2;
72module_param(ioe_timeout, int, 0);
73
Inaky Perez-Gonzalez1039abb2009-02-28 23:42:47 +000074/* Our firmware file name list */
75static const char *i2400ms_bus_fw_names[] = {
76#define I2400MS_FW_FILE_NAME "i2400m-fw-sdio-1.3.sbcf"
77 I2400MS_FW_FILE_NAME,
78 NULL
79};
80
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -080081
Dirk Brandewie1c0b2dd2009-05-21 11:56:35 -070082static const struct i2400m_poke_table i2400ms_pokes[] = {
83 I2400M_FW_POKE(0x6BE260, 0x00000088),
84 I2400M_FW_POKE(0x080550, 0x00000005),
85 I2400M_FW_POKE(0xAE0000, 0x00000000),
86 I2400M_FW_POKE(0x000000, 0x00000000), /* MUST be 0 terminated or bad
87 * things will happen */
88};
89
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -080090/*
91 * Enable the SDIO function
92 *
93 * Tries to enable the SDIO function; might fail if it is still not
94 * ready (in some hardware, the SDIO WiMAX function is only enabled
95 * when we ask it to explicitly doing). Tries until a timeout is
96 * reached.
97 *
98 * The reverse of this is...sdio_disable_function()
99 *
100 * Returns: 0 if the SDIO function was enabled, < 0 errno code on
101 * error (-ENODEV when it was unable to enable the function).
102 */
103static
104int i2400ms_enable_function(struct sdio_func *func)
105{
106 u64 timeout;
107 int err;
108 struct device *dev = &func->dev;
109
110 d_fnstart(3, dev, "(func %p)\n", func);
111 /* Setup timeout (FIXME: This needs to read the CIS table to
112 * get a real timeout) and then wait for the device to signal
113 * it is ready */
114 timeout = get_jiffies_64() + ioe_timeout * HZ;
115 err = -ENODEV;
116 while (err != 0 && time_before64(get_jiffies_64(), timeout)) {
117 sdio_claim_host(func);
Cindy H Kaof2696fb2009-08-17 19:17:58 -0700118 /*
119 * There is a sillicon bug on the IWMC3200, where the
120 * IOE timeout will cause problems on Moorestown
121 * platforms (system hang). We explicitly overwrite
122 * func->enable_timeout here to work around the issue.
123 */
124 if (func->device == SDIO_DEVICE_ID_INTEL_IWMC3200WIMAX)
125 func->enable_timeout = IWMC3200_IOR_TIMEOUT;
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800126 err = sdio_enable_func(func);
127 if (0 == err) {
128 sdio_release_host(func);
129 d_printf(2, dev, "SDIO function enabled\n");
130 goto function_enabled;
131 }
132 d_printf(2, dev, "SDIO function failed to enable: %d\n", err);
133 sdio_disable_func(func);
134 sdio_release_host(func);
135 msleep(I2400MS_INIT_SLEEP_INTERVAL);
136 }
137 /* If timed out, device is not there yet -- get -ENODEV so
138 * the device driver core will retry later on. */
139 if (err == -ETIME) {
140 dev_err(dev, "Can't enable WiMAX function; "
141 " has the function been enabled?\n");
142 err = -ENODEV;
143 }
144function_enabled:
145 d_fnend(3, dev, "(func %p) = %d\n", func, err);
146 return err;
147}
148
149
150/*
151 * Setup driver resources needed to communicate with the device
152 *
153 * The fw needs some time to settle, and it was just uploaded,
154 * so give it a break first. I'd prefer to just wait for the device to
155 * send something, but seems the poking we do to enable SDIO stuff
156 * interferes with it, so just give it a break before starting...
157 */
158static
159int i2400ms_bus_dev_start(struct i2400m *i2400m)
160{
161 int result;
162 struct i2400ms *i2400ms = container_of(i2400m, struct i2400ms, i2400m);
163 struct sdio_func *func = i2400ms->func;
164 struct device *dev = &func->dev;
165
166 d_fnstart(3, dev, "(i2400m %p)\n", i2400m);
167 msleep(200);
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800168 result = i2400ms_tx_setup(i2400ms);
169 if (result < 0)
170 goto error_tx_setup;
171 d_fnend(3, dev, "(i2400m %p) = %d\n", i2400m, result);
172 return result;
173
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800174error_tx_setup:
Inaky Perez-Gonzalez16820c12009-05-07 01:02:39 -0700175 i2400ms_tx_release(i2400ms);
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800176 d_fnend(3, dev, "(i2400m %p) = void\n", i2400m);
177 return result;
178}
179
180
181static
182void i2400ms_bus_dev_stop(struct i2400m *i2400m)
183{
184 struct i2400ms *i2400ms = container_of(i2400m, struct i2400ms, i2400m);
185 struct sdio_func *func = i2400ms->func;
186 struct device *dev = &func->dev;
187
188 d_fnstart(3, dev, "(i2400m %p)\n", i2400m);
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800189 i2400ms_tx_release(i2400ms);
190 d_fnend(3, dev, "(i2400m %p) = void\n", i2400m);
191}
192
193
194/*
195 * Sends a barker buffer to the device
196 *
197 * This helper will allocate a kmalloced buffer and use it to transmit
198 * (then free it). Reason for this is that the SDIO host controller
199 * expects alignment (unknown exactly which) which the stack won't
200 * really provide and certain arches/host-controller combinations
201 * cannot use stack/vmalloc/text areas for DMA transfers.
202 */
203static
204int __i2400ms_send_barker(struct i2400ms *i2400ms,
205 const __le32 *barker, size_t barker_size)
206{
207 int ret;
208 struct sdio_func *func = i2400ms->func;
209 struct device *dev = &func->dev;
210 void *buffer;
211
212 ret = -ENOMEM;
213 buffer = kmalloc(I2400MS_BLK_SIZE, GFP_KERNEL);
214 if (buffer == NULL)
215 goto error_kzalloc;
216
217 memcpy(buffer, barker, barker_size);
218 sdio_claim_host(func);
219 ret = sdio_memcpy_toio(func, 0, buffer, I2400MS_BLK_SIZE);
220 sdio_release_host(func);
221
222 if (ret < 0)
223 d_printf(0, dev, "E: barker error: %d\n", ret);
224
225 kfree(buffer);
226error_kzalloc:
227 return ret;
228}
229
230
231/*
232 * Reset a device at different levels (warm, cold or bus)
233 *
234 * @i2400ms: device descriptor
235 * @reset_type: soft, warm or bus reset (I2400M_RT_WARM/SOFT/BUS)
236 *
237 * FIXME: not tested -- need to confirm expected effects
238 *
239 * Warm and cold resets get an SDIO reset if they fail (unimplemented)
240 *
241 * Warm reset:
242 *
243 * The device will be fully reset internally, but won't be
Dirk Brandewie81b182a2009-07-24 09:04:33 -0700244 * disconnected from the bus (so no reenumeration will
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800245 * happen). Firmware upload will be neccessary.
246 *
Dirk Brandewie81b182a2009-07-24 09:04:33 -0700247 * The device will send a reboot barker that will trigger the driver
248 * to reinitialize the state via __i2400m_dev_reset_handle.
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800249 *
Dirk Brandewie81b182a2009-07-24 09:04:33 -0700250 *
251 * Cold and bus reset:
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800252 *
253 * The device will be fully reset internally, disconnected from the
Dirk Brandewie81b182a2009-07-24 09:04:33 -0700254 * bus an a reenumeration will happen. Firmware upload will be
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800255 * neccessary. Thus, we don't do any locking or struct
256 * reinitialization, as we are going to be fully disconnected and
257 * reenumerated.
258 *
259 * Note we need to return -ENODEV if a warm reset was requested and we
260 * had to resort to a bus reset. See i2400m_op_reset(), wimax_reset()
261 * and wimax_dev->op_reset.
262 *
263 * WARNING: no driver state saved/fixed
264 */
265static
266int i2400ms_bus_reset(struct i2400m *i2400m, enum i2400m_reset_type rt)
267{
Dirk Brandewie10b1de62009-05-12 07:54:00 -0700268 int result = 0;
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800269 struct i2400ms *i2400ms =
270 container_of(i2400m, struct i2400ms, i2400m);
271 struct device *dev = i2400m_dev(i2400m);
272 static const __le32 i2400m_WARM_BOOT_BARKER[4] = {
Harvey Harrisonee437772009-02-01 00:43:54 -0800273 cpu_to_le32(I2400M_WARM_RESET_BARKER),
274 cpu_to_le32(I2400M_WARM_RESET_BARKER),
275 cpu_to_le32(I2400M_WARM_RESET_BARKER),
276 cpu_to_le32(I2400M_WARM_RESET_BARKER),
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800277 };
278 static const __le32 i2400m_COLD_BOOT_BARKER[4] = {
Harvey Harrisonee437772009-02-01 00:43:54 -0800279 cpu_to_le32(I2400M_COLD_RESET_BARKER),
280 cpu_to_le32(I2400M_COLD_RESET_BARKER),
281 cpu_to_le32(I2400M_COLD_RESET_BARKER),
282 cpu_to_le32(I2400M_COLD_RESET_BARKER),
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800283 };
284
285 if (rt == I2400M_RT_WARM)
286 result = __i2400ms_send_barker(i2400ms, i2400m_WARM_BOOT_BARKER,
287 sizeof(i2400m_WARM_BOOT_BARKER));
288 else if (rt == I2400M_RT_COLD)
289 result = __i2400ms_send_barker(i2400ms, i2400m_COLD_BOOT_BARKER,
290 sizeof(i2400m_COLD_BOOT_BARKER));
291 else if (rt == I2400M_RT_BUS) {
292do_bus_reset:
Dirk Brandewie10b1de62009-05-12 07:54:00 -0700293 /* call netif_tx_disable() before sending IOE disable,
294 * so that all the tx from network layer are stopped
295 * while IOE is being reset. Make sure it is called
296 * only after register_netdev() was issued.
297 */
298 if (i2400m->wimax_dev.net_dev->reg_state == NETREG_REGISTERED)
299 netif_tx_disable(i2400m->wimax_dev.net_dev);
300
Inaky Perez-Gonzalez16820c12009-05-07 01:02:39 -0700301 i2400ms_rx_release(i2400ms);
Dirk Brandewie10b1de62009-05-12 07:54:00 -0700302 sdio_claim_host(i2400ms->func);
303 sdio_disable_func(i2400ms->func);
304 sdio_release_host(i2400ms->func);
305
306 /* Wait for the device to settle */
307 msleep(40);
308
309 result = i2400ms_enable_function(i2400ms->func);
Inaky Perez-Gonzalez16820c12009-05-07 01:02:39 -0700310 if (result >= 0)
311 i2400ms_rx_setup(i2400ms);
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800312 } else
313 BUG();
314 if (result < 0 && rt != I2400M_RT_BUS) {
315 dev_err(dev, "%s reset failed (%d); trying SDIO reset\n",
316 rt == I2400M_RT_WARM ? "warm" : "cold", result);
317 rt = I2400M_RT_BUS;
318 goto do_bus_reset;
319 }
320 return result;
321}
322
323
324static
325void i2400ms_netdev_setup(struct net_device *net_dev)
326{
327 struct i2400m *i2400m = net_dev_to_i2400m(net_dev);
328 struct i2400ms *i2400ms = container_of(i2400m, struct i2400ms, i2400m);
329 i2400ms_init(i2400ms);
330 i2400m_netdev_setup(net_dev);
331}
332
333
334/*
335 * Debug levels control; see debug.h
336 */
337struct d_level D_LEVEL[] = {
338 D_SUBMODULE_DEFINE(main),
339 D_SUBMODULE_DEFINE(tx),
340 D_SUBMODULE_DEFINE(rx),
341 D_SUBMODULE_DEFINE(fw),
342};
343size_t D_LEVEL_SIZE = ARRAY_SIZE(D_LEVEL);
344
345
346#define __debugfs_register(prefix, name, parent) \
347do { \
348 result = d_level_register_debugfs(prefix, name, parent); \
349 if (result < 0) \
350 goto error; \
351} while (0)
352
353
354static
355int i2400ms_debugfs_add(struct i2400ms *i2400ms)
356{
357 int result;
358 struct dentry *dentry = i2400ms->i2400m.wimax_dev.debugfs_dentry;
359
360 dentry = debugfs_create_dir("i2400m-usb", dentry);
361 result = PTR_ERR(dentry);
362 if (IS_ERR(dentry)) {
363 if (result == -ENODEV)
364 result = 0; /* No debugfs support */
365 goto error;
366 }
367 i2400ms->debugfs_dentry = dentry;
368 __debugfs_register("dl_", main, dentry);
369 __debugfs_register("dl_", tx, dentry);
370 __debugfs_register("dl_", rx, dentry);
371 __debugfs_register("dl_", fw, dentry);
372
373 return 0;
374
375error:
376 debugfs_remove_recursive(i2400ms->debugfs_dentry);
377 return result;
378}
379
380
Marcel Holtmann384912e2009-08-31 21:08:19 +0000381static struct device_type i2400ms_type = {
382 .name = "wimax",
383};
384
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800385/*
386 * Probe a i2400m interface and register it
387 *
388 * @func: SDIO function
389 * @id: SDIO device ID
390 * @returns: 0 if ok, < 0 errno code on error.
391 *
392 * Alloc a net device, initialize the bus-specific details and then
393 * calls the bus-generic initialization routine. That will register
394 * the wimax and netdev devices, upload the firmware [using
395 * _bus_bm_*()], call _bus_dev_start() to finalize the setup of the
396 * communication with the device and then will start to talk to it to
397 * finnish setting it up.
398 *
399 * Initialization is tricky; some instances of the hw are packed with
400 * others in a way that requires a third driver that enables the WiMAX
401 * function. In those cases, we can't enable the SDIO function and
402 * we'll return with -ENODEV. When the driver that enables the WiMAX
403 * function does its thing, it has to do a bus_rescan_devices() on the
404 * SDIO bus so this driver is called again to enumerate the WiMAX
405 * function.
406 */
407static
408int i2400ms_probe(struct sdio_func *func,
409 const struct sdio_device_id *id)
410{
411 int result;
412 struct net_device *net_dev;
413 struct device *dev = &func->dev;
414 struct i2400m *i2400m;
415 struct i2400ms *i2400ms;
416
417 /* Allocate instance [calls i2400m_netdev_setup() on it]. */
418 result = -ENOMEM;
419 net_dev = alloc_netdev(sizeof(*i2400ms), "wmx%d",
420 i2400ms_netdev_setup);
421 if (net_dev == NULL) {
422 dev_err(dev, "no memory for network device instance\n");
423 goto error_alloc_netdev;
424 }
425 SET_NETDEV_DEV(net_dev, dev);
Marcel Holtmann384912e2009-08-31 21:08:19 +0000426 SET_NETDEV_DEVTYPE(net_dev, &i2400ms_type);
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800427 i2400m = net_dev_to_i2400m(net_dev);
428 i2400ms = container_of(i2400m, struct i2400ms, i2400m);
429 i2400m->wimax_dev.net_dev = net_dev;
430 i2400ms->func = func;
431 sdio_set_drvdata(func, i2400ms);
432
433 i2400m->bus_tx_block_size = I2400MS_BLK_SIZE;
434 i2400m->bus_pl_size_max = I2400MS_PL_SIZE_MAX;
435 i2400m->bus_dev_start = i2400ms_bus_dev_start;
436 i2400m->bus_dev_stop = i2400ms_bus_dev_stop;
437 i2400m->bus_tx_kick = i2400ms_bus_tx_kick;
438 i2400m->bus_reset = i2400ms_bus_reset;
Inaky Perez-Gonzalezecddfd52009-06-03 16:13:14 +0800439 /* The iwmc3200-wimax sometimes requires the driver to try
440 * hard when we paint it into a corner. */
Dirk Brandewiec3083652009-08-13 13:48:29 -0700441 i2400m->bus_bm_retries = I2400M_SDIO_BOOT_RETRIES;
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800442 i2400m->bus_bm_cmd_send = i2400ms_bus_bm_cmd_send;
443 i2400m->bus_bm_wait_for_ack = i2400ms_bus_bm_wait_for_ack;
Inaky Perez-Gonzalez1039abb2009-02-28 23:42:47 +0000444 i2400m->bus_fw_names = i2400ms_bus_fw_names;
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800445 i2400m->bus_bm_mac_addr_impaired = 1;
Dirk Brandewie1c0b2dd2009-05-21 11:56:35 -0700446 i2400m->bus_bm_pokes_table = &i2400ms_pokes[0];
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800447
Inaky Perez-Gonzaleza0a4c4c2009-04-30 14:39:21 -0700448 sdio_claim_host(func);
449 result = sdio_set_block_size(func, I2400MS_BLK_SIZE);
450 sdio_release_host(func);
451 if (result < 0) {
452 dev_err(dev, "Failed to set block size: %d\n", result);
453 goto error_set_blk_size;
454 }
455
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800456 result = i2400ms_enable_function(i2400ms->func);
457 if (result < 0) {
458 dev_err(dev, "Cannot enable SDIO function: %d\n", result);
459 goto error_func_enable;
460 }
461
Dirk Brandewiea134fd62009-08-18 08:51:52 -0700462 /*
463 * Before we are enabling the device interrupt register, make
464 * sure the buffer used during bootmode operation is setup so
465 * when the first D2H data interrupt comes, the memory is
466 * available for copying the D2H data.
467 */
468 result = i2400m_bm_buf_alloc(i2400m);
469 if (result < 0) {
470 dev_err(dev, "cannot allocate SDIO bootmode buffer\n");
471 goto error_bootmode_buf_setup;
472 }
473
Inaky Perez-Gonzalez16820c12009-05-07 01:02:39 -0700474 result = i2400ms_rx_setup(i2400ms);
475 if (result < 0)
476 goto error_rx_setup;
477
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800478 result = i2400m_setup(i2400m, I2400M_BRI_NO_REBOOT);
479 if (result < 0) {
480 dev_err(dev, "cannot setup device: %d\n", result);
481 goto error_setup;
482 }
483
484 result = i2400ms_debugfs_add(i2400ms);
485 if (result < 0) {
486 dev_err(dev, "cannot create SDIO debugfs: %d\n",
487 result);
488 goto error_debugfs_add;
489 }
490 return 0;
491
492error_debugfs_add:
493 i2400m_release(i2400m);
494error_setup:
Inaky Perez-Gonzalez16820c12009-05-07 01:02:39 -0700495 i2400ms_rx_release(i2400ms);
496error_rx_setup:
Dirk Brandewiea134fd62009-08-18 08:51:52 -0700497 i2400m_bm_buf_free(i2400m);
498error_bootmode_buf_setup:
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800499 sdio_claim_host(func);
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800500 sdio_disable_func(func);
501 sdio_release_host(func);
502error_func_enable:
Inaky Perez-Gonzaleza0a4c4c2009-04-30 14:39:21 -0700503error_set_blk_size:
504 sdio_set_drvdata(func, NULL);
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800505 free_netdev(net_dev);
506error_alloc_netdev:
507 return result;
508}
509
510
511static
512void i2400ms_remove(struct sdio_func *func)
513{
514 struct device *dev = &func->dev;
515 struct i2400ms *i2400ms = sdio_get_drvdata(func);
516 struct i2400m *i2400m = &i2400ms->i2400m;
517 struct net_device *net_dev = i2400m->wimax_dev.net_dev;
518
519 d_fnstart(3, dev, "SDIO func %p\n", func);
520 debugfs_remove_recursive(i2400ms->debugfs_dentry);
Inaky Perez-Gonzalez16820c12009-05-07 01:02:39 -0700521 i2400ms_rx_release(i2400ms);
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800522 i2400m_release(i2400m);
523 sdio_set_drvdata(func, NULL);
524 sdio_claim_host(func);
525 sdio_disable_func(func);
526 sdio_release_host(func);
527 free_netdev(net_dev);
528 d_fnend(3, dev, "SDIO func %p\n", func);
529}
530
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800531static
532const struct sdio_device_id i2400ms_sdio_ids[] = {
Tomas Winkler51def0b2009-07-22 14:06:56 +0000533 /* Intel: i2400m WiMAX (iwmc3200) over SDIO */
534 { SDIO_DEVICE(SDIO_VENDOR_ID_INTEL,
535 SDIO_DEVICE_ID_INTEL_IWMC3200WIMAX) },
536 { /* end: all zeroes */ },
Inaky Perez-Gonzaleza0848822008-12-20 16:57:55 -0800537};
538MODULE_DEVICE_TABLE(sdio, i2400ms_sdio_ids);
539
540
541static
542struct sdio_driver i2400m_sdio_driver = {
543 .name = KBUILD_MODNAME,
544 .probe = i2400ms_probe,
545 .remove = i2400ms_remove,
546 .id_table = i2400ms_sdio_ids,
547};
548
549
550static
551int __init i2400ms_driver_init(void)
552{
553 return sdio_register_driver(&i2400m_sdio_driver);
554}
555module_init(i2400ms_driver_init);
556
557
558static
559void __exit i2400ms_driver_exit(void)
560{
561 flush_scheduled_work(); /* for the stuff we schedule */
562 sdio_unregister_driver(&i2400m_sdio_driver);
563}
564module_exit(i2400ms_driver_exit);
565
566
567MODULE_AUTHOR("Intel Corporation <linux-wimax@intel.com>");
568MODULE_DESCRIPTION("Intel 2400M WiMAX networking for SDIO");
569MODULE_LICENSE("GPL");
570MODULE_FIRMWARE(I2400MS_FW_FILE_NAME);