1
2
3
4
5
6
7
8#include <linux/delay.h>
9#include <linux/gpio/consumer.h>
10#include <linux/i2c.h>
11#include <linux/module.h>
12#include <linux/of_device.h>
13#include <linux/of_gpio.h>
14#include <linux/pm_runtime.h>
15#include <linux/slab.h>
16#include <sound/initval.h>
17#include <sound/pcm_params.h>
18#include <sound/soc.h>
19#include <sound/soc-dapm.h>
20#include <sound/tlv.h>
21
22#include "ak4458.h"
23
24
25struct ak4458_priv {
26 struct device *dev;
27 struct regmap *regmap;
28 struct gpio_desc *reset_gpiod;
29 struct gpio_desc *mute_gpiod;
30 int digfil;
31 int fs;
32 int fmt;
33 int slots;
34 int slot_width;
35};
36
37static const struct reg_default ak4458_reg_defaults[] = {
38 { 0x00, 0x0C },
39 { 0x01, 0x22 },
40 { 0x02, 0x00 },
41 { 0x03, 0xFF },
42 { 0x04, 0xFF },
43 { 0x05, 0x00 },
44 { 0x06, 0x00 },
45 { 0x07, 0x03 },
46 { 0x08, 0x00 },
47 { 0x09, 0x00 },
48 { 0x0A, 0x0D },
49 { 0x0B, 0x0C },
50 { 0x0C, 0x00 },
51 { 0x0D, 0x00 },
52 { 0x0E, 0x50 },
53 { 0x0F, 0xFF },
54 { 0x10, 0xFF },
55 { 0x11, 0xFF },
56 { 0x12, 0xFF },
57 { 0x13, 0xFF },
58 { 0x14, 0xFF },
59};
60
61
62
63
64
65static DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1);
66
67
68
69
70
71
72
73
74static const char * const ak4458_dem_select_texts[] = {
75 "44.1kHz", "OFF", "48kHz", "32kHz"
76};
77
78
79
80
81
82
83
84
85
86static const char * const ak4458_digfil_select_texts[] = {
87 "Sharp Roll-Off Filter",
88 "Slow Roll-Off Filter",
89 "Short delay Sharp Roll-Off Filter",
90 "Short delay Slow Roll-Off Filter",
91 "Super Slow Roll-Off Filter"
92};
93
94
95
96
97
98
99static const char * const ak4458_dzfb_select_texts[] = {"H", "L"};
100
101
102
103
104
105
106
107
108static const char * const ak4458_sc_select_texts[] = {
109 "Sound Mode 0", "Sound Mode 1", "Sound Mode 2"
110};
111
112
113static const char * const ak4458_fir_select_texts[] = {
114 "Mode 0", "Mode 1", "Mode 2", "Mode 3",
115 "Mode 4", "Mode 5", "Mode 6", "Mode 7",
116};
117
118
119static const char * const ak4458_ats_select_texts[] = {
120 "4080/fs", "2040/fs", "510/fs", "255/fs",
121};
122
123
124static const char * const ak4458_dif_select_texts[] = {"32fs,48fs", "64fs",};
125
126static const struct soc_enum ak4458_dac1_dem_enum =
127 SOC_ENUM_SINGLE(AK4458_01_CONTROL2, 1,
128 ARRAY_SIZE(ak4458_dem_select_texts),
129 ak4458_dem_select_texts);
130static const struct soc_enum ak4458_dac2_dem_enum =
131 SOC_ENUM_SINGLE(AK4458_0A_CONTROL6, 0,
132 ARRAY_SIZE(ak4458_dem_select_texts),
133 ak4458_dem_select_texts);
134static const struct soc_enum ak4458_dac3_dem_enum =
135 SOC_ENUM_SINGLE(AK4458_0E_CONTROL10, 4,
136 ARRAY_SIZE(ak4458_dem_select_texts),
137 ak4458_dem_select_texts);
138static const struct soc_enum ak4458_dac4_dem_enum =
139 SOC_ENUM_SINGLE(AK4458_0E_CONTROL10, 6,
140 ARRAY_SIZE(ak4458_dem_select_texts),
141 ak4458_dem_select_texts);
142static const struct soc_enum ak4458_digfil_enum =
143 SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(ak4458_digfil_select_texts),
144 ak4458_digfil_select_texts);
145static const struct soc_enum ak4458_dzfb_enum =
146 SOC_ENUM_SINGLE(AK4458_02_CONTROL3, 2,
147 ARRAY_SIZE(ak4458_dzfb_select_texts),
148 ak4458_dzfb_select_texts);
149static const struct soc_enum ak4458_sm_enum =
150 SOC_ENUM_SINGLE(AK4458_08_SOUND_CONTROL, 0,
151 ARRAY_SIZE(ak4458_sc_select_texts),
152 ak4458_sc_select_texts);
153static const struct soc_enum ak4458_fir_enum =
154 SOC_ENUM_SINGLE(AK4458_0C_CONTROL8, 0,
155 ARRAY_SIZE(ak4458_fir_select_texts),
156 ak4458_fir_select_texts);
157static const struct soc_enum ak4458_ats_enum =
158 SOC_ENUM_SINGLE(AK4458_0B_CONTROL7, 6,
159 ARRAY_SIZE(ak4458_ats_select_texts),
160 ak4458_ats_select_texts);
161static const struct soc_enum ak4458_dif_enum =
162 SOC_ENUM_SINGLE(AK4458_00_CONTROL1, 3,
163 ARRAY_SIZE(ak4458_dif_select_texts),
164 ak4458_dif_select_texts);
165
166static int get_digfil(struct snd_kcontrol *kcontrol,
167 struct snd_ctl_elem_value *ucontrol)
168{
169 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
170 struct ak4458_priv *ak4458 = snd_soc_component_get_drvdata(component);
171
172 ucontrol->value.enumerated.item[0] = ak4458->digfil;
173
174 return 0;
175}
176
177static int set_digfil(struct snd_kcontrol *kcontrol,
178 struct snd_ctl_elem_value *ucontrol)
179{
180 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
181 struct ak4458_priv *ak4458 = snd_soc_component_get_drvdata(component);
182 int num;
183
184 num = ucontrol->value.enumerated.item[0];
185 if (num > 4)
186 return -EINVAL;
187
188 ak4458->digfil = num;
189
190
191 snd_soc_component_update_bits(component, AK4458_01_CONTROL2,
192 AK4458_SD_MASK,
193 ((ak4458->digfil & 0x02) << 4));
194
195
196 snd_soc_component_update_bits(component, AK4458_02_CONTROL3,
197 AK4458_SLOW_MASK,
198 (ak4458->digfil & 0x01));
199
200
201 snd_soc_component_update_bits(component, AK4458_05_CONTROL4,
202 AK4458_SSLOW_MASK,
203 ((ak4458->digfil & 0x04) >> 2));
204
205 return 0;
206}
207
208static const struct snd_kcontrol_new ak4458_snd_controls[] = {
209 SOC_DOUBLE_R_TLV("DAC1 Playback Volume", AK4458_03_LCHATT,
210 AK4458_04_RCHATT, 0, 0xFF, 0, dac_tlv),
211 SOC_DOUBLE_R_TLV("DAC2 Playback Volume", AK4458_0F_L2CHATT,
212 AK4458_10_R2CHATT, 0, 0xFF, 0, dac_tlv),
213 SOC_DOUBLE_R_TLV("DAC3 Playback Volume", AK4458_11_L3CHATT,
214 AK4458_12_R3CHATT, 0, 0xFF, 0, dac_tlv),
215 SOC_DOUBLE_R_TLV("DAC4 Playback Volume", AK4458_13_L4CHATT,
216 AK4458_14_R4CHATT, 0, 0xFF, 0, dac_tlv),
217 SOC_ENUM("AK4458 De-emphasis Response DAC1", ak4458_dac1_dem_enum),
218 SOC_ENUM("AK4458 De-emphasis Response DAC2", ak4458_dac2_dem_enum),
219 SOC_ENUM("AK4458 De-emphasis Response DAC3", ak4458_dac3_dem_enum),
220 SOC_ENUM("AK4458 De-emphasis Response DAC4", ak4458_dac4_dem_enum),
221 SOC_ENUM_EXT("AK4458 Digital Filter Setting", ak4458_digfil_enum,
222 get_digfil, set_digfil),
223 SOC_ENUM("AK4458 Inverting Enable of DZFB", ak4458_dzfb_enum),
224 SOC_ENUM("AK4458 Sound Mode", ak4458_sm_enum),
225 SOC_ENUM("AK4458 FIR Filter Mode Setting", ak4458_fir_enum),
226 SOC_ENUM("AK4458 Attenuation transition Time Setting",
227 ak4458_ats_enum),
228 SOC_ENUM("AK4458 BICK fs Setting", ak4458_dif_enum),
229};
230
231
232static const struct snd_soc_dapm_widget ak4458_dapm_widgets[] = {
233 SND_SOC_DAPM_DAC("AK4458 DAC1", NULL, AK4458_0A_CONTROL6, 2, 0),
234 SND_SOC_DAPM_AIF_IN("AK4458 SDTI", "Playback", 0, SND_SOC_NOPM, 0, 0),
235 SND_SOC_DAPM_OUTPUT("AK4458 AOUTA"),
236
237 SND_SOC_DAPM_DAC("AK4458 DAC2", NULL, AK4458_0A_CONTROL6, 3, 0),
238 SND_SOC_DAPM_OUTPUT("AK4458 AOUTB"),
239
240 SND_SOC_DAPM_DAC("AK4458 DAC3", NULL, AK4458_0B_CONTROL7, 2, 0),
241 SND_SOC_DAPM_OUTPUT("AK4458 AOUTC"),
242
243 SND_SOC_DAPM_DAC("AK4458 DAC4", NULL, AK4458_0B_CONTROL7, 3, 0),
244 SND_SOC_DAPM_OUTPUT("AK4458 AOUTD"),
245};
246
247static const struct snd_soc_dapm_route ak4458_intercon[] = {
248 {"AK4458 DAC1", NULL, "AK4458 SDTI"},
249 {"AK4458 AOUTA", NULL, "AK4458 DAC1"},
250
251 {"AK4458 DAC2", NULL, "AK4458 SDTI"},
252 {"AK4458 AOUTB", NULL, "AK4458 DAC2"},
253
254 {"AK4458 DAC3", NULL, "AK4458 SDTI"},
255 {"AK4458 AOUTC", NULL, "AK4458 DAC3"},
256
257 {"AK4458 DAC4", NULL, "AK4458 SDTI"},
258 {"AK4458 AOUTD", NULL, "AK4458 DAC4"},
259};
260
261static int ak4458_rstn_control(struct snd_soc_component *component, int bit)
262{
263 int ret;
264
265 if (bit)
266 ret = snd_soc_component_update_bits(component,
267 AK4458_00_CONTROL1,
268 AK4458_RSTN_MASK,
269 0x1);
270 else
271 ret = snd_soc_component_update_bits(component,
272 AK4458_00_CONTROL1,
273 AK4458_RSTN_MASK,
274 0x0);
275 return ret;
276}
277
278static int ak4458_hw_params(struct snd_pcm_substream *substream,
279 struct snd_pcm_hw_params *params,
280 struct snd_soc_dai *dai)
281{
282 struct snd_soc_component *component = dai->component;
283 struct ak4458_priv *ak4458 = snd_soc_component_get_drvdata(component);
284 int pcm_width = max(params_physical_width(params), ak4458->slot_width);
285 int nfs1;
286 u8 format;
287
288 nfs1 = params_rate(params);
289 ak4458->fs = nfs1;
290
291
292 snd_soc_component_update_bits(component, AK4458_00_CONTROL1, 0x80, 0x80);
293
294 switch (pcm_width) {
295 case 16:
296 if (ak4458->fmt == SND_SOC_DAIFMT_I2S)
297 format = AK4458_DIF_24BIT_I2S;
298 else
299 format = AK4458_DIF_16BIT_LSB;
300 break;
301 case 32:
302 switch (ak4458->fmt) {
303 case SND_SOC_DAIFMT_I2S:
304 format = AK4458_DIF_32BIT_I2S;
305 break;
306 case SND_SOC_DAIFMT_LEFT_J:
307 format = AK4458_DIF_32BIT_MSB;
308 break;
309 case SND_SOC_DAIFMT_RIGHT_J:
310 format = AK4458_DIF_32BIT_LSB;
311 break;
312 case SND_SOC_DAIFMT_DSP_B:
313 format = AK4458_DIF_32BIT_MSB;
314 break;
315 default:
316 return -EINVAL;
317 }
318 break;
319 default:
320 return -EINVAL;
321 }
322
323 snd_soc_component_update_bits(component, AK4458_00_CONTROL1,
324 AK4458_DIF_MASK, format);
325
326 ak4458_rstn_control(component, 0);
327 ak4458_rstn_control(component, 1);
328
329 return 0;
330}
331
332static int ak4458_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
333{
334 struct snd_soc_component *component = dai->component;
335 struct ak4458_priv *ak4458 = snd_soc_component_get_drvdata(component);
336
337 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
338 case SND_SOC_DAIFMT_CBS_CFS:
339 break;
340 case SND_SOC_DAIFMT_CBM_CFM:
341 case SND_SOC_DAIFMT_CBS_CFM:
342 case SND_SOC_DAIFMT_CBM_CFS:
343 default:
344 dev_err(component->dev, "Master mode unsupported\n");
345 return -EINVAL;
346 }
347
348 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
349 case SND_SOC_DAIFMT_I2S:
350 case SND_SOC_DAIFMT_LEFT_J:
351 case SND_SOC_DAIFMT_RIGHT_J:
352 case SND_SOC_DAIFMT_DSP_B:
353 ak4458->fmt = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
354 break;
355 default:
356 dev_err(component->dev, "Audio format 0x%02X unsupported\n",
357 fmt & SND_SOC_DAIFMT_FORMAT_MASK);
358 return -EINVAL;
359 }
360
361 ak4458_rstn_control(component, 0);
362 ak4458_rstn_control(component, 1);
363
364 return 0;
365}
366
367static const int att_speed[] = { 4080, 2040, 510, 255 };
368
369static int ak4458_set_dai_mute(struct snd_soc_dai *dai, int mute)
370{
371 struct snd_soc_component *component = dai->component;
372 struct ak4458_priv *ak4458 = snd_soc_component_get_drvdata(component);
373 int nfs, ndt, ret, reg;
374 int ats;
375
376 nfs = ak4458->fs;
377
378 reg = snd_soc_component_read32(component, AK4458_0B_CONTROL7);
379 ats = (reg & AK4458_ATS_MASK) >> AK4458_ATS_SHIFT;
380
381 ndt = att_speed[ats] / (nfs / 1000);
382
383 if (mute) {
384 ret = snd_soc_component_update_bits(component, AK4458_01_CONTROL2, 0x01, 1);
385 mdelay(ndt);
386 if (ak4458->mute_gpiod)
387 gpiod_set_value_cansleep(ak4458->mute_gpiod, 1);
388 } else {
389 if (ak4458->mute_gpiod)
390 gpiod_set_value_cansleep(ak4458->mute_gpiod, 0);
391 ret = snd_soc_component_update_bits(component, AK4458_01_CONTROL2, 0x01, 0);
392 mdelay(ndt);
393 }
394
395 return 0;
396}
397
398static int ak4458_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
399 unsigned int rx_mask, int slots, int slot_width)
400{
401 struct snd_soc_component *component = dai->component;
402 struct ak4458_priv *ak4458 = snd_soc_component_get_drvdata(component);
403 int mode;
404
405 ak4458->slots = slots;
406 ak4458->slot_width = slot_width;
407
408 switch (slots * slot_width) {
409 case 128:
410 mode = AK4458_MODE_TDM128;
411 break;
412 case 256:
413 mode = AK4458_MODE_TDM256;
414 break;
415 case 512:
416 mode = AK4458_MODE_TDM512;
417 break;
418 default:
419 mode = AK4458_MODE_NORMAL;
420 break;
421 }
422
423 snd_soc_component_update_bits(component, AK4458_0A_CONTROL6,
424 AK4458_MODE_MASK,
425 mode);
426
427 return 0;
428}
429
430#define AK4458_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
431 SNDRV_PCM_FMTBIT_S24_LE |\
432 SNDRV_PCM_FMTBIT_S32_LE)
433
434static const unsigned int ak4458_rates[] = {
435 8000, 11025, 16000, 22050,
436 32000, 44100, 48000, 88200,
437 96000, 176400, 192000, 352800,
438 384000, 705600, 768000, 1411200,
439 2822400,
440};
441
442static const struct snd_pcm_hw_constraint_list ak4458_rate_constraints = {
443 .count = ARRAY_SIZE(ak4458_rates),
444 .list = ak4458_rates,
445};
446
447static int ak4458_startup(struct snd_pcm_substream *substream,
448 struct snd_soc_dai *dai)
449{
450 int ret;
451
452 ret = snd_pcm_hw_constraint_list(substream->runtime, 0,
453 SNDRV_PCM_HW_PARAM_RATE,
454 &ak4458_rate_constraints);
455
456 return ret;
457}
458
459static struct snd_soc_dai_ops ak4458_dai_ops = {
460 .startup = ak4458_startup,
461 .hw_params = ak4458_hw_params,
462 .set_fmt = ak4458_set_dai_fmt,
463 .digital_mute = ak4458_set_dai_mute,
464 .set_tdm_slot = ak4458_set_tdm_slot,
465};
466
467static struct snd_soc_dai_driver ak4458_dai = {
468 .name = "ak4458-aif",
469 .playback = {
470 .stream_name = "Playback",
471 .channels_min = 1,
472 .channels_max = 8,
473 .rates = SNDRV_PCM_RATE_KNOT,
474 .formats = AK4458_FORMATS,
475 },
476 .ops = &ak4458_dai_ops,
477};
478
479static void ak4458_power_off(struct ak4458_priv *ak4458)
480{
481 if (ak4458->reset_gpiod) {
482 gpiod_set_value_cansleep(ak4458->reset_gpiod, 0);
483 usleep_range(1000, 2000);
484 }
485}
486
487static void ak4458_power_on(struct ak4458_priv *ak4458)
488{
489 if (ak4458->reset_gpiod) {
490 gpiod_set_value_cansleep(ak4458->reset_gpiod, 1);
491 usleep_range(1000, 2000);
492 }
493}
494
495static void ak4458_init(struct snd_soc_component *component)
496{
497 struct ak4458_priv *ak4458 = snd_soc_component_get_drvdata(component);
498
499
500 if (ak4458->mute_gpiod)
501 gpiod_set_value_cansleep(ak4458->mute_gpiod, 1);
502
503 ak4458_power_on(ak4458);
504
505 snd_soc_component_update_bits(component, AK4458_00_CONTROL1,
506 0x80, 0x80);
507
508 ak4458_rstn_control(component, 1);
509}
510
511static int ak4458_probe(struct snd_soc_component *component)
512{
513 struct ak4458_priv *ak4458 = snd_soc_component_get_drvdata(component);
514
515 ak4458_init(component);
516
517 ak4458->fs = 48000;
518
519 return 0;
520}
521
522static void ak4458_remove(struct snd_soc_component *component)
523{
524 struct ak4458_priv *ak4458 = snd_soc_component_get_drvdata(component);
525
526 ak4458_power_off(ak4458);
527}
528
529#ifdef CONFIG_PM
530static int __maybe_unused ak4458_runtime_suspend(struct device *dev)
531{
532 struct ak4458_priv *ak4458 = dev_get_drvdata(dev);
533
534 regcache_cache_only(ak4458->regmap, true);
535
536 ak4458_power_off(ak4458);
537
538 if (ak4458->mute_gpiod)
539 gpiod_set_value_cansleep(ak4458->mute_gpiod, 0);
540
541 return 0;
542}
543
544static int __maybe_unused ak4458_runtime_resume(struct device *dev)
545{
546 struct ak4458_priv *ak4458 = dev_get_drvdata(dev);
547
548 if (ak4458->mute_gpiod)
549 gpiod_set_value_cansleep(ak4458->mute_gpiod, 1);
550
551 ak4458_power_off(ak4458);
552 ak4458_power_on(ak4458);
553
554 regcache_cache_only(ak4458->regmap, false);
555 regcache_mark_dirty(ak4458->regmap);
556
557 return regcache_sync(ak4458->regmap);
558}
559#endif
560
561struct snd_soc_component_driver soc_codec_dev_ak4458 = {
562 .probe = ak4458_probe,
563 .remove = ak4458_remove,
564 .controls = ak4458_snd_controls,
565 .num_controls = ARRAY_SIZE(ak4458_snd_controls),
566 .dapm_widgets = ak4458_dapm_widgets,
567 .num_dapm_widgets = ARRAY_SIZE(ak4458_dapm_widgets),
568 .dapm_routes = ak4458_intercon,
569 .num_dapm_routes = ARRAY_SIZE(ak4458_intercon),
570 .idle_bias_on = 1,
571 .use_pmdown_time = 1,
572 .endianness = 1,
573 .non_legacy_dai_naming = 1,
574};
575
576static const struct regmap_config ak4458_regmap = {
577 .reg_bits = 8,
578 .val_bits = 8,
579
580 .max_register = AK4458_14_R4CHATT,
581 .reg_defaults = ak4458_reg_defaults,
582 .num_reg_defaults = ARRAY_SIZE(ak4458_reg_defaults),
583 .cache_type = REGCACHE_RBTREE,
584};
585
586static const struct dev_pm_ops ak4458_pm = {
587 SET_RUNTIME_PM_OPS(ak4458_runtime_suspend, ak4458_runtime_resume, NULL)
588 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
589 pm_runtime_force_resume)
590};
591
592static int ak4458_i2c_probe(struct i2c_client *i2c)
593{
594 struct ak4458_priv *ak4458;
595 int ret;
596
597 ak4458 = devm_kzalloc(&i2c->dev, sizeof(*ak4458), GFP_KERNEL);
598 if (!ak4458)
599 return -ENOMEM;
600
601 ak4458->regmap = devm_regmap_init_i2c(i2c, &ak4458_regmap);
602 if (IS_ERR(ak4458->regmap))
603 return PTR_ERR(ak4458->regmap);
604
605 i2c_set_clientdata(i2c, ak4458);
606 ak4458->dev = &i2c->dev;
607
608 ak4458->reset_gpiod = devm_gpiod_get_optional(ak4458->dev, "reset",
609 GPIOD_OUT_LOW);
610 if (IS_ERR(ak4458->reset_gpiod))
611 return PTR_ERR(ak4458->reset_gpiod);
612
613 ak4458->mute_gpiod = devm_gpiod_get_optional(ak4458->dev, "mute",
614 GPIOD_OUT_LOW);
615 if (IS_ERR(ak4458->mute_gpiod))
616 return PTR_ERR(ak4458->mute_gpiod);
617
618 ret = devm_snd_soc_register_component(ak4458->dev, &soc_codec_dev_ak4458,
619 &ak4458_dai, 1);
620 if (ret < 0) {
621 dev_err(ak4458->dev, "Failed to register CODEC: %d\n", ret);
622 return ret;
623 }
624
625 pm_runtime_enable(&i2c->dev);
626
627 return 0;
628}
629
630static int ak4458_i2c_remove(struct i2c_client *i2c)
631{
632 pm_runtime_disable(&i2c->dev);
633
634 return 0;
635}
636
637static const struct of_device_id ak4458_of_match[] = {
638 { .compatible = "asahi-kasei,ak4458", },
639 { },
640};
641
642static struct i2c_driver ak4458_i2c_driver = {
643 .driver = {
644 .name = "ak4458",
645 .pm = &ak4458_pm,
646 .of_match_table = ak4458_of_match,
647 },
648 .probe_new = ak4458_i2c_probe,
649 .remove = ak4458_i2c_remove,
650};
651
652module_i2c_driver(ak4458_i2c_driver);
653
654MODULE_AUTHOR("Junichi Wakasugi <wakasugi.jb@om.asahi-kasei.co.jp>");
655MODULE_AUTHOR("Mihai Serban <mihai.serban@nxp.com>");
656MODULE_DESCRIPTION("ASoC AK4458 DAC driver");
657MODULE_LICENSE("GPL v2");
658
