Commit | Line | Data |
---|---|---|
5129dffe TP |
1 | /* |
2 | * This file is part of wl1271 | |
3 | * | |
4 | * Copyright (C) 2009-2010 Nokia Corporation | |
5 | * | |
6 | * Contact: Luciano Coelho <luciano.coelho@nokia.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License | |
10 | * version 2 as published by the Free Software Foundation. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
20 | * 02110-1301 USA | |
21 | * | |
22 | */ | |
23 | ||
24 | #include <linux/irq.h> | |
25 | #include <linux/module.h> | |
5129dffe | 26 | #include <linux/vmalloc.h> |
025aef8f | 27 | #include <linux/platform_device.h> |
197c6283 | 28 | #include <linux/mmc/sdio.h> |
5129dffe TP |
29 | #include <linux/mmc/sdio_func.h> |
30 | #include <linux/mmc/sdio_ids.h> | |
31 | #include <linux/mmc/card.h> | |
11251e7e | 32 | #include <linux/mmc/host.h> |
19b87173 | 33 | #include <linux/gpio.h> |
09cecc34 | 34 | #include <linux/wl12xx.h> |
00cbb3c5 | 35 | #include <linux/pm_runtime.h> |
df472894 | 36 | #include <linux/printk.h> |
5ea5c518 EP |
37 | #include <linux/of.h> |
38 | #include <linux/of_irq.h> | |
5129dffe | 39 | |
c31be25a | 40 | #include "wlcore.h" |
5129dffe | 41 | #include "wl12xx_80211.h" |
00d20100 | 42 | #include "io.h" |
5129dffe | 43 | |
5129dffe TP |
44 | #ifndef SDIO_VENDOR_ID_TI |
45 | #define SDIO_VENDOR_ID_TI 0x0097 | |
46 | #endif | |
47 | ||
48 | #ifndef SDIO_DEVICE_ID_TI_WL1271 | |
49 | #define SDIO_DEVICE_ID_TI_WL1271 0x4076 | |
50 | #endif | |
51 | ||
df472894 LC |
52 | static bool dump = false; |
53 | ||
fbe936bc FB |
54 | struct wl12xx_sdio_glue { |
55 | struct device *dev; | |
025aef8f | 56 | struct platform_device *core; |
fbe936bc FB |
57 | }; |
58 | ||
b74324d1 | 59 | static const struct sdio_device_id wl1271_devices[] = { |
5129dffe TP |
60 | { SDIO_DEVICE(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271) }, |
61 | {} | |
62 | }; | |
63 | MODULE_DEVICE_TABLE(sdio, wl1271_devices); | |
64 | ||
a390e85c FB |
65 | static void wl1271_sdio_set_block_size(struct device *child, |
66 | unsigned int blksz) | |
a81159ed | 67 | { |
a390e85c FB |
68 | struct wl12xx_sdio_glue *glue = dev_get_drvdata(child->parent); |
69 | struct sdio_func *func = dev_to_sdio_func(glue->dev); | |
5129dffe | 70 | |
a390e85c FB |
71 | sdio_claim_host(func); |
72 | sdio_set_block_size(func, blksz); | |
73 | sdio_release_host(func); | |
5129dffe TP |
74 | } |
75 | ||
f1a26e63 IY |
76 | static int __must_check wl12xx_sdio_raw_read(struct device *child, int addr, |
77 | void *buf, size_t len, bool fixed) | |
5129dffe TP |
78 | { |
79 | int ret; | |
a390e85c | 80 | struct wl12xx_sdio_glue *glue = dev_get_drvdata(child->parent); |
fbe936bc | 81 | struct sdio_func *func = dev_to_sdio_func(glue->dev); |
5129dffe | 82 | |
b4748306 EP |
83 | sdio_claim_host(func); |
84 | ||
df472894 LC |
85 | if (unlikely(dump)) { |
86 | printk(KERN_DEBUG "wlcore_sdio: READ from 0x%04x\n", addr); | |
87 | print_hex_dump(KERN_DEBUG, "wlcore_sdio: READ ", | |
88 | DUMP_PREFIX_OFFSET, 16, 1, | |
89 | buf, len, false); | |
90 | } | |
91 | ||
00782136 | 92 | if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG)) { |
5129dffe | 93 | ((u8 *)buf)[0] = sdio_f0_readb(func, addr, &ret); |
3c4d3868 LC |
94 | dev_dbg(child->parent, "sdio read 52 addr 0x%x, byte 0x%02x\n", |
95 | addr, ((u8 *)buf)[0]); | |
5129dffe TP |
96 | } else { |
97 | if (fixed) | |
98 | ret = sdio_readsb(func, buf, addr, len); | |
99 | else | |
100 | ret = sdio_memcpy_fromio(func, buf, addr, len); | |
101 | ||
3c4d3868 LC |
102 | dev_dbg(child->parent, "sdio read 53 addr 0x%x, %zu bytes\n", |
103 | addr, len); | |
5129dffe TP |
104 | } |
105 | ||
b4748306 EP |
106 | sdio_release_host(func); |
107 | ||
02eb1d9d | 108 | if (WARN_ON(ret)) |
3c4d3868 | 109 | dev_err(child->parent, "sdio read failed (%d)\n", ret); |
02eb1d9d IY |
110 | |
111 | return ret; | |
5129dffe TP |
112 | } |
113 | ||
f1a26e63 IY |
114 | static int __must_check wl12xx_sdio_raw_write(struct device *child, int addr, |
115 | void *buf, size_t len, bool fixed) | |
5129dffe TP |
116 | { |
117 | int ret; | |
a390e85c | 118 | struct wl12xx_sdio_glue *glue = dev_get_drvdata(child->parent); |
fbe936bc | 119 | struct sdio_func *func = dev_to_sdio_func(glue->dev); |
5129dffe | 120 | |
b4748306 EP |
121 | sdio_claim_host(func); |
122 | ||
df472894 LC |
123 | if (unlikely(dump)) { |
124 | printk(KERN_DEBUG "wlcore_sdio: WRITE to 0x%04x\n", addr); | |
125 | print_hex_dump(KERN_DEBUG, "wlcore_sdio: WRITE ", | |
126 | DUMP_PREFIX_OFFSET, 16, 1, | |
127 | buf, len, false); | |
128 | } | |
129 | ||
00782136 | 130 | if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG)) { |
5129dffe | 131 | sdio_f0_writeb(func, ((u8 *)buf)[0], addr, &ret); |
3c4d3868 LC |
132 | dev_dbg(child->parent, "sdio write 52 addr 0x%x, byte 0x%02x\n", |
133 | addr, ((u8 *)buf)[0]); | |
5129dffe | 134 | } else { |
3c4d3868 LC |
135 | dev_dbg(child->parent, "sdio write 53 addr 0x%x, %zu bytes\n", |
136 | addr, len); | |
5129dffe TP |
137 | |
138 | if (fixed) | |
139 | ret = sdio_writesb(func, addr, buf, len); | |
140 | else | |
141 | ret = sdio_memcpy_toio(func, addr, buf, len); | |
142 | } | |
49063a0d | 143 | |
b4748306 EP |
144 | sdio_release_host(func); |
145 | ||
02eb1d9d | 146 | if (WARN_ON(ret)) |
3c4d3868 | 147 | dev_err(child->parent, "sdio write failed (%d)\n", ret); |
02eb1d9d IY |
148 | |
149 | return ret; | |
49063a0d OBC |
150 | } |
151 | ||
a390e85c | 152 | static int wl12xx_sdio_power_on(struct wl12xx_sdio_glue *glue) |
49063a0d | 153 | { |
00cbb3c5 | 154 | int ret; |
fbe936bc | 155 | struct sdio_func *func = dev_to_sdio_func(glue->dev); |
645865fc IY |
156 | struct mmc_card *card = func->card; |
157 | ||
158 | ret = pm_runtime_get_sync(&card->dev); | |
159 | if (ret) { | |
160 | /* | |
161 | * Runtime PM might be temporarily disabled, or the device | |
162 | * might have a positive reference counter. Make sure it is | |
163 | * really powered on. | |
164 | */ | |
165 | ret = mmc_power_restore_host(card->host); | |
166 | if (ret < 0) { | |
167 | pm_runtime_put_sync(&card->dev); | |
b5d6e5f6 | 168 | goto out; |
645865fc | 169 | } |
86046da4 | 170 | } |
5129dffe | 171 | |
49063a0d OBC |
172 | sdio_claim_host(func); |
173 | sdio_enable_func(func); | |
b4748306 | 174 | sdio_release_host(func); |
2cc78ff7 | 175 | |
00cbb3c5 OBC |
176 | out: |
177 | return ret; | |
49063a0d OBC |
178 | } |
179 | ||
a390e85c | 180 | static int wl12xx_sdio_power_off(struct wl12xx_sdio_glue *glue) |
49063a0d | 181 | { |
11251e7e | 182 | int ret; |
fbe936bc | 183 | struct sdio_func *func = dev_to_sdio_func(glue->dev); |
645865fc | 184 | struct mmc_card *card = func->card; |
49063a0d | 185 | |
b4748306 | 186 | sdio_claim_host(func); |
49063a0d OBC |
187 | sdio_disable_func(func); |
188 | sdio_release_host(func); | |
2cc78ff7 | 189 | |
645865fc IY |
190 | /* Power off the card manually in case it wasn't powered off above */ |
191 | ret = mmc_power_save_host(card->host); | |
11251e7e | 192 | if (ret < 0) |
645865fc | 193 | goto out; |
11251e7e | 194 | |
645865fc IY |
195 | /* Let runtime PM know the card is powered off */ |
196 | pm_runtime_put_sync(&card->dev); | |
86046da4 | 197 | |
645865fc | 198 | out: |
86046da4 | 199 | return ret; |
5129dffe TP |
200 | } |
201 | ||
a390e85c | 202 | static int wl12xx_sdio_set_power(struct device *child, bool enable) |
becd551c | 203 | { |
a390e85c FB |
204 | struct wl12xx_sdio_glue *glue = dev_get_drvdata(child->parent); |
205 | ||
49063a0d | 206 | if (enable) |
a390e85c | 207 | return wl12xx_sdio_power_on(glue); |
49063a0d | 208 | else |
a390e85c | 209 | return wl12xx_sdio_power_off(glue); |
becd551c TP |
210 | } |
211 | ||
5129dffe | 212 | static struct wl1271_if_operations sdio_ops = { |
a390e85c FB |
213 | .read = wl12xx_sdio_raw_read, |
214 | .write = wl12xx_sdio_raw_write, | |
215 | .power = wl12xx_sdio_set_power, | |
a81159ed | 216 | .set_block_size = wl1271_sdio_set_block_size, |
5129dffe TP |
217 | }; |
218 | ||
5ea5c518 EP |
219 | #ifdef CONFIG_OF |
220 | static const struct of_device_id wlcore_sdio_of_match_table[] = { | |
221 | { .compatible = "ti,wl1271" }, | |
222 | { .compatible = "ti,wl1273" }, | |
223 | { .compatible = "ti,wl1281" }, | |
224 | { .compatible = "ti,wl1283" }, | |
225 | { .compatible = "ti,wl1801" }, | |
226 | { .compatible = "ti,wl1805" }, | |
227 | { .compatible = "ti,wl1807" }, | |
228 | { .compatible = "ti,wl1831" }, | |
229 | { .compatible = "ti,wl1835" }, | |
230 | { .compatible = "ti,wl1837" }, | |
231 | { } | |
232 | }; | |
233 | ||
234 | static struct wl12xx_platform_data *wlcore_probe_of(struct device *dev) | |
235 | { | |
236 | struct device_node *np = dev->of_node; | |
237 | struct wl12xx_platform_data *pdata; | |
238 | ||
239 | if (!np || !of_match_node(wlcore_sdio_of_match_table, np)) | |
240 | return NULL; | |
241 | ||
242 | pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); | |
243 | if (!pdata) | |
244 | return NULL; | |
245 | ||
246 | pdata->irq = irq_of_parse_and_map(np, 0); | |
247 | if (!pdata->irq) { | |
248 | dev_err(dev, "No irq in platform data\n"); | |
249 | kfree(pdata); | |
250 | return NULL; | |
251 | } | |
252 | ||
253 | pdata->irq_trigger = | |
254 | irqd_get_trigger_type(irq_get_irq_data(pdata->irq)); | |
255 | ||
256 | /* optional clock frequency params */ | |
257 | of_property_read_u32(np, "ref-clock-frequency", | |
258 | &pdata->ref_clock_freq); | |
259 | of_property_read_u32(np, "tcxo-clock-frequency", | |
260 | &pdata->tcxo_clock_freq); | |
261 | ||
262 | return pdata; | |
263 | } | |
264 | #else | |
265 | static struct wl12xx_platform_data *wlcore_probe_of(struct device *dev) | |
266 | { | |
267 | return NULL; | |
268 | } | |
269 | #endif | |
270 | ||
271 | static struct wl12xx_platform_data * | |
272 | wlcore_get_platform_data(struct device *dev) | |
273 | { | |
274 | struct wl12xx_platform_data *pdata; | |
275 | ||
276 | /* first, look for DT data */ | |
277 | pdata = wlcore_probe_of(dev); | |
278 | if (pdata) | |
279 | return pdata; | |
280 | ||
281 | /* if not found - fallback to static platform data */ | |
282 | pdata = wl12xx_get_platform_data(); | |
283 | if (!IS_ERR(pdata)) | |
284 | return kmemdup(pdata, sizeof(*pdata), GFP_KERNEL); | |
285 | ||
286 | dev_err(dev, "No platform data set\n"); | |
287 | return NULL; | |
288 | } | |
289 | ||
290 | static void wlcore_del_platform_data(struct wl12xx_platform_data *pdata) | |
291 | { | |
292 | kfree(pdata); | |
293 | } | |
294 | ||
b74324d1 | 295 | static int wl1271_probe(struct sdio_func *func, |
5129dffe TP |
296 | const struct sdio_device_id *id) |
297 | { | |
4c104162 | 298 | struct wlcore_platdev_data pdev_data; |
fbe936bc | 299 | struct wl12xx_sdio_glue *glue; |
025aef8f | 300 | struct resource res[1]; |
f795ea8b | 301 | mmc_pm_flag_t mmcflags; |
fbe936bc | 302 | int ret = -ENOMEM; |
197c6283 | 303 | const char *chip_family; |
5129dffe TP |
304 | |
305 | /* We are only able to handle the wlan function */ | |
306 | if (func->num != 0x02) | |
307 | return -ENODEV; | |
308 | ||
4c104162 CE |
309 | memset(&pdev_data, 0x00, sizeof(pdev_data)); |
310 | pdev_data.if_ops = &sdio_ops; | |
afb43e6d | 311 | |
fbe936bc FB |
312 | glue = kzalloc(sizeof(*glue), GFP_KERNEL); |
313 | if (!glue) { | |
3c4d3868 | 314 | dev_err(&func->dev, "can't allocate glue\n"); |
4c104162 | 315 | goto out; |
fbe936bc FB |
316 | } |
317 | ||
fbe936bc | 318 | glue->dev = &func->dev; |
5129dffe | 319 | |
5129dffe TP |
320 | /* Grab access to FN0 for ELP reg. */ |
321 | func->card->quirks |= MMC_QUIRK_LENIENT_FN0; | |
322 | ||
1d732e8c AN |
323 | /* Use block mode for transferring over one block size of data */ |
324 | func->card->quirks |= MMC_QUIRK_BLKSZ_FOR_BYTE_MODE; | |
325 | ||
5ea5c518 EP |
326 | pdev_data.pdata = wlcore_get_platform_data(&func->dev); |
327 | if (!pdev_data.pdata) | |
a390e85c | 328 | goto out_free_glue; |
5129dffe | 329 | |
a390e85c FB |
330 | /* if sdio can keep power while host is suspended, enable wow */ |
331 | mmcflags = sdio_get_host_pm_caps(func); | |
3c4d3868 | 332 | dev_dbg(glue->dev, "sdio PM caps = 0x%x\n", mmcflags); |
2c0f2463 | 333 | |
a390e85c | 334 | if (mmcflags & MMC_PM_KEEP_POWER) |
4c104162 | 335 | pdev_data.pdata->pwr_in_suspend = true; |
f795ea8b | 336 | |
fbe936bc | 337 | sdio_set_drvdata(func, glue); |
49d7f6d8 | 338 | |
00cbb3c5 OBC |
339 | /* Tell PM core that we don't need the card to be powered now */ |
340 | pm_runtime_put_noidle(&func->dev); | |
341 | ||
197c6283 LC |
342 | /* |
343 | * Due to a hardware bug, we can't differentiate wl18xx from | |
344 | * wl12xx, because both report the same device ID. The only | |
345 | * way to differentiate is by checking the SDIO revision, | |
346 | * which is 3.00 on the wl18xx chips. | |
347 | */ | |
348 | if (func->card->cccr.sdio_vsn == SDIO_SDIO_REV_3_00) | |
349 | chip_family = "wl18xx"; | |
350 | else | |
351 | chip_family = "wl12xx"; | |
352 | ||
06ab4058 | 353 | glue->core = platform_device_alloc(chip_family, PLATFORM_DEVID_AUTO); |
025aef8f | 354 | if (!glue->core) { |
3c4d3868 | 355 | dev_err(glue->dev, "can't allocate platform_device"); |
025aef8f | 356 | ret = -ENOMEM; |
5ea5c518 | 357 | goto out_free_pdata; |
025aef8f FB |
358 | } |
359 | ||
360 | glue->core->dev.parent = &func->dev; | |
361 | ||
362 | memset(res, 0x00, sizeof(res)); | |
363 | ||
4c104162 | 364 | res[0].start = pdev_data.pdata->irq; |
6f921fab | 365 | res[0].flags = IORESOURCE_IRQ | pdev_data.pdata->irq_trigger; |
025aef8f FB |
366 | res[0].name = "irq"; |
367 | ||
368 | ret = platform_device_add_resources(glue->core, res, ARRAY_SIZE(res)); | |
369 | if (ret) { | |
3c4d3868 | 370 | dev_err(glue->dev, "can't add resources\n"); |
025aef8f FB |
371 | goto out_dev_put; |
372 | } | |
373 | ||
4c104162 CE |
374 | ret = platform_device_add_data(glue->core, &pdev_data, |
375 | sizeof(pdev_data)); | |
025aef8f | 376 | if (ret) { |
3c4d3868 | 377 | dev_err(glue->dev, "can't add platform data\n"); |
025aef8f FB |
378 | goto out_dev_put; |
379 | } | |
380 | ||
381 | ret = platform_device_add(glue->core); | |
382 | if (ret) { | |
3c4d3868 | 383 | dev_err(glue->dev, "can't add platform device\n"); |
025aef8f FB |
384 | goto out_dev_put; |
385 | } | |
5129dffe TP |
386 | return 0; |
387 | ||
025aef8f FB |
388 | out_dev_put: |
389 | platform_device_put(glue->core); | |
390 | ||
5ea5c518 EP |
391 | out_free_pdata: |
392 | wlcore_del_platform_data(pdev_data.pdata); | |
393 | ||
fbe936bc FB |
394 | out_free_glue: |
395 | kfree(glue); | |
a390e85c | 396 | |
fbe936bc | 397 | out: |
5129dffe TP |
398 | return ret; |
399 | } | |
400 | ||
b74324d1 | 401 | static void wl1271_remove(struct sdio_func *func) |
5129dffe | 402 | { |
fbe936bc | 403 | struct wl12xx_sdio_glue *glue = sdio_get_drvdata(func); |
5ea5c518 EP |
404 | struct wlcore_platdev_data *pdev_data = glue->core->dev.platform_data; |
405 | struct wl12xx_platform_data *pdata = pdev_data->pdata; | |
5129dffe | 406 | |
00cbb3c5 OBC |
407 | /* Undo decrement done above in wl1271_probe */ |
408 | pm_runtime_get_noresume(&func->dev); | |
409 | ||
200e9326 | 410 | platform_device_unregister(glue->core); |
5ea5c518 | 411 | wlcore_del_platform_data(pdata); |
fbe936bc | 412 | kfree(glue); |
5129dffe TP |
413 | } |
414 | ||
f634a4e7 | 415 | #ifdef CONFIG_PM |
674f3058 OBC |
416 | static int wl1271_suspend(struct device *dev) |
417 | { | |
418 | /* Tell MMC/SDIO core it's OK to power down the card | |
419 | * (if it isn't already), but not to remove it completely */ | |
039bdb14 | 420 | struct sdio_func *func = dev_to_sdio_func(dev); |
b6932894 ES |
421 | struct wl12xx_sdio_glue *glue = sdio_get_drvdata(func); |
422 | struct wl1271 *wl = platform_get_drvdata(glue->core); | |
039bdb14 EP |
423 | mmc_pm_flag_t sdio_flags; |
424 | int ret = 0; | |
425 | ||
3c4d3868 LC |
426 | dev_dbg(dev, "wl1271 suspend. wow_enabled: %d\n", |
427 | wl->wow_enabled); | |
039bdb14 EP |
428 | |
429 | /* check whether sdio should keep power */ | |
430 | if (wl->wow_enabled) { | |
431 | sdio_flags = sdio_get_host_pm_caps(func); | |
432 | ||
433 | if (!(sdio_flags & MMC_PM_KEEP_POWER)) { | |
3c4d3868 LC |
434 | dev_err(dev, "can't keep power while host " |
435 | "is suspended\n"); | |
039bdb14 EP |
436 | ret = -EINVAL; |
437 | goto out; | |
438 | } | |
439 | ||
440 | /* keep power while host suspended */ | |
441 | ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER); | |
442 | if (ret) { | |
3c4d3868 | 443 | dev_err(dev, "error while trying to keep power\n"); |
039bdb14 EP |
444 | goto out; |
445 | } | |
446 | } | |
447 | out: | |
448 | return ret; | |
674f3058 OBC |
449 | } |
450 | ||
451 | static int wl1271_resume(struct device *dev) | |
452 | { | |
3c4d3868 | 453 | dev_dbg(dev, "wl1271 resume\n"); |
f44e5868 | 454 | |
674f3058 OBC |
455 | return 0; |
456 | } | |
457 | ||
458 | static const struct dev_pm_ops wl1271_sdio_pm_ops = { | |
459 | .suspend = wl1271_suspend, | |
460 | .resume = wl1271_resume, | |
461 | }; | |
f634a4e7 | 462 | #endif |
674f3058 | 463 | |
5129dffe | 464 | static struct sdio_driver wl1271_sdio_driver = { |
f4b5d8d8 | 465 | .name = "wl1271_sdio", |
5129dffe TP |
466 | .id_table = wl1271_devices, |
467 | .probe = wl1271_probe, | |
b74324d1 | 468 | .remove = wl1271_remove, |
f634a4e7 | 469 | #ifdef CONFIG_PM |
674f3058 OBC |
470 | .drv = { |
471 | .pm = &wl1271_sdio_pm_ops, | |
472 | }, | |
f634a4e7 | 473 | #endif |
5129dffe TP |
474 | }; |
475 | ||
476 | static int __init wl1271_init(void) | |
477 | { | |
6bdaf796 | 478 | return sdio_register_driver(&wl1271_sdio_driver); |
5129dffe TP |
479 | } |
480 | ||
481 | static void __exit wl1271_exit(void) | |
482 | { | |
483 | sdio_unregister_driver(&wl1271_sdio_driver); | |
5129dffe TP |
484 | } |
485 | ||
486 | module_init(wl1271_init); | |
487 | module_exit(wl1271_exit); | |
488 | ||
df472894 LC |
489 | module_param(dump, bool, S_IRUSR | S_IWUSR); |
490 | MODULE_PARM_DESC(dump, "Enable sdio read/write dumps."); | |
491 | ||
5129dffe | 492 | MODULE_LICENSE("GPL"); |
5245e3a9 | 493 | MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>"); |
5129dffe | 494 | MODULE_AUTHOR("Juuso Oikarinen <juuso.oikarinen@nokia.com>"); |