1
2
3
4
5#include <linux/init.h>
6#include <linux/err.h>
7#include <linux/module.h>
8#include <linux/platform_device.h>
9#include <linux/slab.h>
10#include <sound/soc.h>
11#include <sound/soc.h>
12#include <sound/soc-dapm.h>
13#include <sound/pcm.h>
14#include <asm/dma.h>
15#include <linux/dma-mapping.h>
16#include <linux/of_device.h>
17#include <sound/pcm_params.h>
18#include "q6asm.h"
19#include "q6routing.h"
20#include "q6dsp-errno.h"
21
22#define DRV_NAME "q6asm-fe-dai"
23
24#define PLAYBACK_MIN_NUM_PERIODS 2
25#define PLAYBACK_MAX_NUM_PERIODS 8
26#define PLAYBACK_MAX_PERIOD_SIZE 65536
27#define PLAYBACK_MIN_PERIOD_SIZE 128
28#define CAPTURE_MIN_NUM_PERIODS 2
29#define CAPTURE_MAX_NUM_PERIODS 8
30#define CAPTURE_MAX_PERIOD_SIZE 4096
31#define CAPTURE_MIN_PERIOD_SIZE 320
32#define SID_MASK_DEFAULT 0xF
33
34enum stream_state {
35 Q6ASM_STREAM_IDLE = 0,
36 Q6ASM_STREAM_STOPPED,
37 Q6ASM_STREAM_RUNNING,
38};
39
40struct q6asm_dai_rtd {
41 struct snd_pcm_substream *substream;
42 phys_addr_t phys;
43 unsigned int pcm_size;
44 unsigned int pcm_count;
45 unsigned int pcm_irq_pos;
46 unsigned int periods;
47 uint16_t bits_per_sample;
48 uint16_t source;
49 struct audio_client *audio_client;
50 uint16_t session_id;
51 enum stream_state state;
52};
53
54struct q6asm_dai_data {
55 long long int sid;
56};
57
58static struct snd_pcm_hardware q6asm_dai_hardware_capture = {
59 .info = (SNDRV_PCM_INFO_MMAP |
60 SNDRV_PCM_INFO_BLOCK_TRANSFER |
61 SNDRV_PCM_INFO_MMAP_VALID |
62 SNDRV_PCM_INFO_INTERLEAVED |
63 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME),
64 .formats = (SNDRV_PCM_FMTBIT_S16_LE |
65 SNDRV_PCM_FMTBIT_S24_LE),
66 .rates = SNDRV_PCM_RATE_8000_48000,
67 .rate_min = 8000,
68 .rate_max = 48000,
69 .channels_min = 1,
70 .channels_max = 4,
71 .buffer_bytes_max = CAPTURE_MAX_NUM_PERIODS *
72 CAPTURE_MAX_PERIOD_SIZE,
73 .period_bytes_min = CAPTURE_MIN_PERIOD_SIZE,
74 .period_bytes_max = CAPTURE_MAX_PERIOD_SIZE,
75 .periods_min = CAPTURE_MIN_NUM_PERIODS,
76 .periods_max = CAPTURE_MAX_NUM_PERIODS,
77 .fifo_size = 0,
78};
79
80static struct snd_pcm_hardware q6asm_dai_hardware_playback = {
81 .info = (SNDRV_PCM_INFO_MMAP |
82 SNDRV_PCM_INFO_BLOCK_TRANSFER |
83 SNDRV_PCM_INFO_MMAP_VALID |
84 SNDRV_PCM_INFO_INTERLEAVED |
85 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME),
86 .formats = (SNDRV_PCM_FMTBIT_S16_LE |
87 SNDRV_PCM_FMTBIT_S24_LE),
88 .rates = SNDRV_PCM_RATE_8000_192000,
89 .rate_min = 8000,
90 .rate_max = 192000,
91 .channels_min = 1,
92 .channels_max = 8,
93 .buffer_bytes_max = (PLAYBACK_MAX_NUM_PERIODS *
94 PLAYBACK_MAX_PERIOD_SIZE),
95 .period_bytes_min = PLAYBACK_MIN_PERIOD_SIZE,
96 .period_bytes_max = PLAYBACK_MAX_PERIOD_SIZE,
97 .periods_min = PLAYBACK_MIN_NUM_PERIODS,
98 .periods_max = PLAYBACK_MAX_NUM_PERIODS,
99 .fifo_size = 0,
100};
101
102#define Q6ASM_FEDAI_DRIVER(num) { \
103 .playback = { \
104 .stream_name = "MultiMedia"#num" Playback", \
105 .rates = (SNDRV_PCM_RATE_8000_192000| \
106 SNDRV_PCM_RATE_KNOT), \
107 .formats = (SNDRV_PCM_FMTBIT_S16_LE | \
108 SNDRV_PCM_FMTBIT_S24_LE), \
109 .channels_min = 1, \
110 .channels_max = 8, \
111 .rate_min = 8000, \
112 .rate_max = 192000, \
113 }, \
114 .capture = { \
115 .stream_name = "MultiMedia"#num" Capture", \
116 .rates = (SNDRV_PCM_RATE_8000_48000| \
117 SNDRV_PCM_RATE_KNOT), \
118 .formats = (SNDRV_PCM_FMTBIT_S16_LE | \
119 SNDRV_PCM_FMTBIT_S24_LE), \
120 .channels_min = 1, \
121 .channels_max = 4, \
122 .rate_min = 8000, \
123 .rate_max = 48000, \
124 }, \
125 .name = "MultiMedia"#num, \
126 .probe = fe_dai_probe, \
127 .id = MSM_FRONTEND_DAI_MULTIMEDIA##num, \
128 }
129
130
131static unsigned int supported_sample_rates[] = {
132 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000,
133 88200, 96000, 176400, 192000
134};
135
136static struct snd_pcm_hw_constraint_list constraints_sample_rates = {
137 .count = ARRAY_SIZE(supported_sample_rates),
138 .list = supported_sample_rates,
139 .mask = 0,
140};
141
142static void event_handler(uint32_t opcode, uint32_t token,
143 uint32_t *payload, void *priv)
144{
145 struct q6asm_dai_rtd *prtd = priv;
146 struct snd_pcm_substream *substream = prtd->substream;
147
148 switch (opcode) {
149 case ASM_CLIENT_EVENT_CMD_RUN_DONE:
150 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
151 q6asm_write_async(prtd->audio_client,
152 prtd->pcm_count, 0, 0, NO_TIMESTAMP);
153 break;
154 case ASM_CLIENT_EVENT_CMD_EOS_DONE:
155 prtd->state = Q6ASM_STREAM_STOPPED;
156 break;
157 case ASM_CLIENT_EVENT_DATA_WRITE_DONE: {
158 prtd->pcm_irq_pos += prtd->pcm_count;
159 snd_pcm_period_elapsed(substream);
160 if (prtd->state == Q6ASM_STREAM_RUNNING)
161 q6asm_write_async(prtd->audio_client,
162 prtd->pcm_count, 0, 0, NO_TIMESTAMP);
163
164 break;
165 }
166 case ASM_CLIENT_EVENT_DATA_READ_DONE:
167 prtd->pcm_irq_pos += prtd->pcm_count;
168 snd_pcm_period_elapsed(substream);
169 if (prtd->state == Q6ASM_STREAM_RUNNING)
170 q6asm_read(prtd->audio_client);
171
172 break;
173 default:
174 break;
175 }
176}
177
178static int q6asm_dai_prepare(struct snd_pcm_substream *substream)
179{
180 struct snd_pcm_runtime *runtime = substream->runtime;
181 struct snd_soc_pcm_runtime *soc_prtd = substream->private_data;
182 struct q6asm_dai_rtd *prtd = runtime->private_data;
183 struct snd_soc_component *c = snd_soc_rtdcom_lookup(soc_prtd, DRV_NAME);
184 struct q6asm_dai_data *pdata;
185 int ret, i;
186
187 pdata = snd_soc_component_get_drvdata(c);
188 if (!pdata)
189 return -EINVAL;
190
191 if (!prtd || !prtd->audio_client) {
192 pr_err("%s: private data null or audio client freed\n",
193 __func__);
194 return -EINVAL;
195 }
196
197 prtd->pcm_count = snd_pcm_lib_period_bytes(substream);
198 prtd->pcm_irq_pos = 0;
199
200 if (prtd->state) {
201
202 q6asm_cmd(prtd->audio_client, CMD_CLOSE);
203 q6asm_unmap_memory_regions(substream->stream,
204 prtd->audio_client);
205 q6routing_stream_close(soc_prtd->dai_link->id,
206 substream->stream);
207 }
208
209 ret = q6asm_map_memory_regions(substream->stream, prtd->audio_client,
210 prtd->phys,
211 (prtd->pcm_size / prtd->periods),
212 prtd->periods);
213
214 if (ret < 0) {
215 pr_err("Audio Start: Buffer Allocation failed rc = %d\n",
216 ret);
217 return -ENOMEM;
218 }
219
220 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
221 ret = q6asm_open_write(prtd->audio_client, FORMAT_LINEAR_PCM,
222 prtd->bits_per_sample);
223 } else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
224 ret = q6asm_open_read(prtd->audio_client, FORMAT_LINEAR_PCM,
225 prtd->bits_per_sample);
226 }
227
228 if (ret < 0) {
229 pr_err("%s: q6asm_open_write failed\n", __func__);
230 q6asm_audio_client_free(prtd->audio_client);
231 prtd->audio_client = NULL;
232 return -ENOMEM;
233 }
234
235 prtd->session_id = q6asm_get_session_id(prtd->audio_client);
236 ret = q6routing_stream_open(soc_prtd->dai_link->id, LEGACY_PCM_MODE,
237 prtd->session_id, substream->stream);
238 if (ret) {
239 pr_err("%s: stream reg failed ret:%d\n", __func__, ret);
240 return ret;
241 }
242
243 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
244 ret = q6asm_media_format_block_multi_ch_pcm(
245 prtd->audio_client, runtime->rate,
246 runtime->channels, NULL,
247 prtd->bits_per_sample);
248 } else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
249 ret = q6asm_enc_cfg_blk_pcm_format_support(prtd->audio_client,
250 runtime->rate, runtime->channels,
251 prtd->bits_per_sample);
252
253
254 for (i = 0; i < runtime->periods; i++)
255 q6asm_read(prtd->audio_client);
256
257 }
258 if (ret < 0)
259 pr_info("%s: CMD Format block failed\n", __func__);
260
261 prtd->state = Q6ASM_STREAM_RUNNING;
262
263 return 0;
264}
265
266static int q6asm_dai_trigger(struct snd_pcm_substream *substream, int cmd)
267{
268 int ret = 0;
269 struct snd_pcm_runtime *runtime = substream->runtime;
270 struct q6asm_dai_rtd *prtd = runtime->private_data;
271
272 switch (cmd) {
273 case SNDRV_PCM_TRIGGER_START:
274 case SNDRV_PCM_TRIGGER_RESUME:
275 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
276 ret = q6asm_run_nowait(prtd->audio_client, 0, 0, 0);
277 break;
278 case SNDRV_PCM_TRIGGER_STOP:
279 prtd->state = Q6ASM_STREAM_STOPPED;
280 ret = q6asm_cmd_nowait(prtd->audio_client, CMD_EOS);
281 break;
282 case SNDRV_PCM_TRIGGER_SUSPEND:
283 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
284 ret = q6asm_cmd_nowait(prtd->audio_client, CMD_PAUSE);
285 break;
286 default:
287 ret = -EINVAL;
288 break;
289 }
290
291 return ret;
292}
293
294static int q6asm_dai_open(struct snd_pcm_substream *substream)
295{
296 struct snd_pcm_runtime *runtime = substream->runtime;
297 struct snd_soc_pcm_runtime *soc_prtd = substream->private_data;
298 struct snd_soc_dai *cpu_dai = soc_prtd->cpu_dai;
299 struct snd_soc_component *c = snd_soc_rtdcom_lookup(soc_prtd, DRV_NAME);
300 struct q6asm_dai_rtd *prtd;
301 struct q6asm_dai_data *pdata;
302 struct device *dev = c->dev;
303 int ret = 0;
304 int stream_id;
305
306 stream_id = cpu_dai->driver->id;
307
308 pdata = snd_soc_component_get_drvdata(c);
309 if (!pdata) {
310 pr_err("Drv data not found ..\n");
311 return -EINVAL;
312 }
313
314 prtd = kzalloc(sizeof(struct q6asm_dai_rtd), GFP_KERNEL);
315 if (prtd == NULL)
316 return -ENOMEM;
317
318 prtd->substream = substream;
319 prtd->audio_client = q6asm_audio_client_alloc(dev,
320 (q6asm_cb)event_handler, prtd, stream_id,
321 LEGACY_PCM_MODE);
322 if (!prtd->audio_client) {
323 pr_info("%s: Could not allocate memory\n", __func__);
324 kfree(prtd);
325 return -ENOMEM;
326 }
327
328 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
329 runtime->hw = q6asm_dai_hardware_playback;
330 else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
331 runtime->hw = q6asm_dai_hardware_capture;
332
333 ret = snd_pcm_hw_constraint_list(runtime, 0,
334 SNDRV_PCM_HW_PARAM_RATE,
335 &constraints_sample_rates);
336 if (ret < 0)
337 pr_info("snd_pcm_hw_constraint_list failed\n");
338
339 ret = snd_pcm_hw_constraint_integer(runtime,
340 SNDRV_PCM_HW_PARAM_PERIODS);
341 if (ret < 0)
342 pr_info("snd_pcm_hw_constraint_integer failed\n");
343
344 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
345 ret = snd_pcm_hw_constraint_minmax(runtime,
346 SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
347 PLAYBACK_MIN_NUM_PERIODS * PLAYBACK_MIN_PERIOD_SIZE,
348 PLAYBACK_MAX_NUM_PERIODS * PLAYBACK_MAX_PERIOD_SIZE);
349 if (ret < 0) {
350 pr_err("constraint for buffer bytes min max ret = %d\n",
351 ret);
352 }
353 }
354
355 ret = snd_pcm_hw_constraint_step(runtime, 0,
356 SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32);
357 if (ret < 0) {
358 pr_err("constraint for period bytes step ret = %d\n",
359 ret);
360 }
361 ret = snd_pcm_hw_constraint_step(runtime, 0,
362 SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 32);
363 if (ret < 0) {
364 pr_err("constraint for buffer bytes step ret = %d\n",
365 ret);
366 }
367
368 runtime->private_data = prtd;
369
370 snd_soc_set_runtime_hwparams(substream, &q6asm_dai_hardware_playback);
371
372 runtime->dma_bytes = q6asm_dai_hardware_playback.buffer_bytes_max;
373
374
375 if (pdata->sid < 0)
376 prtd->phys = substream->dma_buffer.addr;
377 else
378 prtd->phys = substream->dma_buffer.addr | (pdata->sid << 32);
379
380 snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
381
382 return 0;
383}
384
385static int q6asm_dai_close(struct snd_pcm_substream *substream)
386{
387 struct snd_pcm_runtime *runtime = substream->runtime;
388 struct snd_soc_pcm_runtime *soc_prtd = substream->private_data;
389 struct q6asm_dai_rtd *prtd = runtime->private_data;
390
391 if (prtd->audio_client) {
392 if (prtd->state)
393 q6asm_cmd(prtd->audio_client, CMD_CLOSE);
394
395 q6asm_unmap_memory_regions(substream->stream,
396 prtd->audio_client);
397 q6asm_audio_client_free(prtd->audio_client);
398 prtd->audio_client = NULL;
399 }
400 q6routing_stream_close(soc_prtd->dai_link->id,
401 substream->stream);
402 kfree(prtd);
403 return 0;
404}
405
406static snd_pcm_uframes_t q6asm_dai_pointer(struct snd_pcm_substream *substream)
407{
408
409 struct snd_pcm_runtime *runtime = substream->runtime;
410 struct q6asm_dai_rtd *prtd = runtime->private_data;
411
412 if (prtd->pcm_irq_pos >= prtd->pcm_size)
413 prtd->pcm_irq_pos = 0;
414
415 return bytes_to_frames(runtime, (prtd->pcm_irq_pos));
416}
417
418static int q6asm_dai_mmap(struct snd_pcm_substream *substream,
419 struct vm_area_struct *vma)
420{
421
422 struct snd_pcm_runtime *runtime = substream->runtime;
423 struct snd_soc_pcm_runtime *soc_prtd = substream->private_data;
424 struct snd_soc_component *c = snd_soc_rtdcom_lookup(soc_prtd, DRV_NAME);
425 struct device *dev = c->dev;
426
427 return dma_mmap_coherent(dev, vma,
428 runtime->dma_area, runtime->dma_addr,
429 runtime->dma_bytes);
430}
431
432static int q6asm_dai_hw_params(struct snd_pcm_substream *substream,
433 struct snd_pcm_hw_params *params)
434{
435 struct snd_pcm_runtime *runtime = substream->runtime;
436 struct q6asm_dai_rtd *prtd = runtime->private_data;
437
438 prtd->pcm_size = params_buffer_bytes(params);
439 prtd->periods = params_periods(params);
440
441 switch (params_format(params)) {
442 case SNDRV_PCM_FORMAT_S16_LE:
443 prtd->bits_per_sample = 16;
444 break;
445 case SNDRV_PCM_FORMAT_S24_LE:
446 prtd->bits_per_sample = 24;
447 break;
448 }
449
450 return 0;
451}
452
453static struct snd_pcm_ops q6asm_dai_ops = {
454 .open = q6asm_dai_open,
455 .hw_params = q6asm_dai_hw_params,
456 .close = q6asm_dai_close,
457 .ioctl = snd_pcm_lib_ioctl,
458 .prepare = q6asm_dai_prepare,
459 .trigger = q6asm_dai_trigger,
460 .pointer = q6asm_dai_pointer,
461 .mmap = q6asm_dai_mmap,
462};
463
464static int q6asm_dai_pcm_new(struct snd_soc_pcm_runtime *rtd)
465{
466 struct snd_pcm_substream *psubstream, *csubstream;
467 struct snd_soc_component *c = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
468 struct snd_pcm *pcm = rtd->pcm;
469 struct device *dev;
470 int size, ret;
471
472 dev = c->dev;
473 size = q6asm_dai_hardware_playback.buffer_bytes_max;
474 psubstream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
475 if (psubstream) {
476 ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, dev, size,
477 &psubstream->dma_buffer);
478 if (ret) {
479 dev_err(dev, "Cannot allocate buffer(s)\n");
480 return ret;
481 }
482 }
483
484 csubstream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream;
485 if (csubstream) {
486 ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, dev, size,
487 &csubstream->dma_buffer);
488 if (ret) {
489 dev_err(dev, "Cannot allocate buffer(s)\n");
490 if (psubstream)
491 snd_dma_free_pages(&psubstream->dma_buffer);
492 return ret;
493 }
494 }
495
496 return ret;
497}
498
499static void q6asm_dai_pcm_free(struct snd_pcm *pcm)
500{
501 struct snd_pcm_substream *substream;
502 int i;
503
504 for (i = 0; i < ARRAY_SIZE(pcm->streams); i++) {
505 substream = pcm->streams[i].substream;
506 if (substream) {
507 snd_dma_free_pages(&substream->dma_buffer);
508 substream->dma_buffer.area = NULL;
509 substream->dma_buffer.addr = 0;
510 }
511 }
512}
513
514static const struct snd_soc_dapm_route afe_pcm_routes[] = {
515 {"MM_DL1", NULL, "MultiMedia1 Playback" },
516 {"MM_DL2", NULL, "MultiMedia2 Playback" },
517 {"MM_DL3", NULL, "MultiMedia3 Playback" },
518 {"MM_DL4", NULL, "MultiMedia4 Playback" },
519 {"MM_DL5", NULL, "MultiMedia5 Playback" },
520 {"MM_DL6", NULL, "MultiMedia6 Playback" },
521 {"MM_DL7", NULL, "MultiMedia7 Playback" },
522 {"MM_DL7", NULL, "MultiMedia8 Playback" },
523 {"MultiMedia1 Capture", NULL, "MM_UL1"},
524 {"MultiMedia2 Capture", NULL, "MM_UL2"},
525 {"MultiMedia3 Capture", NULL, "MM_UL3"},
526 {"MultiMedia4 Capture", NULL, "MM_UL4"},
527 {"MultiMedia5 Capture", NULL, "MM_UL5"},
528 {"MultiMedia6 Capture", NULL, "MM_UL6"},
529 {"MultiMedia7 Capture", NULL, "MM_UL7"},
530 {"MultiMedia8 Capture", NULL, "MM_UL8"},
531
532};
533
534static int fe_dai_probe(struct snd_soc_dai *dai)
535{
536 struct snd_soc_dapm_context *dapm;
537
538 dapm = snd_soc_component_get_dapm(dai->component);
539 snd_soc_dapm_add_routes(dapm, afe_pcm_routes,
540 ARRAY_SIZE(afe_pcm_routes));
541
542 return 0;
543}
544
545
546static const struct snd_soc_component_driver q6asm_fe_dai_component = {
547 .name = DRV_NAME,
548 .ops = &q6asm_dai_ops,
549 .pcm_new = q6asm_dai_pcm_new,
550 .pcm_free = q6asm_dai_pcm_free,
551
552};
553
554static struct snd_soc_dai_driver q6asm_fe_dais[] = {
555 Q6ASM_FEDAI_DRIVER(1),
556 Q6ASM_FEDAI_DRIVER(2),
557 Q6ASM_FEDAI_DRIVER(3),
558 Q6ASM_FEDAI_DRIVER(4),
559 Q6ASM_FEDAI_DRIVER(5),
560 Q6ASM_FEDAI_DRIVER(6),
561 Q6ASM_FEDAI_DRIVER(7),
562 Q6ASM_FEDAI_DRIVER(8),
563};
564
565static int q6asm_dai_probe(struct platform_device *pdev)
566{
567 struct device *dev = &pdev->dev;
568 struct device_node *node = dev->of_node;
569 struct of_phandle_args args;
570 struct q6asm_dai_data *pdata;
571 int rc;
572
573 pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
574 if (!pdata)
575 return -ENOMEM;
576
577 rc = of_parse_phandle_with_fixed_args(node, "iommus", 1, 0, &args);
578 if (rc < 0)
579 pdata->sid = -1;
580 else
581 pdata->sid = args.args[0] & SID_MASK_DEFAULT;
582
583 dev_set_drvdata(dev, pdata);
584
585 return devm_snd_soc_register_component(dev, &q6asm_fe_dai_component,
586 q6asm_fe_dais,
587 ARRAY_SIZE(q6asm_fe_dais));
588}
589
590static const struct of_device_id q6asm_dai_device_id[] = {
591 { .compatible = "qcom,q6asm-dais" },
592 {},
593};
594MODULE_DEVICE_TABLE(of, q6asm_dai_device_id);
595
596static struct platform_driver q6asm_dai_platform_driver = {
597 .driver = {
598 .name = "q6asm-dai",
599 .of_match_table = of_match_ptr(q6asm_dai_device_id),
600 },
601 .probe = q6asm_dai_probe,
602};
603module_platform_driver(q6asm_dai_platform_driver);
604
605MODULE_DESCRIPTION("Q6ASM dai driver");
606MODULE_LICENSE("GPL v2");
607
