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26#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
27
28#include <linux/slab.h>
29#include <linux/io.h>
30#include <linux/module.h>
31#include <sound/core.h>
32#include <sound/pcm.h>
33#include <sound/pcm_params.h>
34#include <sound/soc.h>
35#include <sound/compress_driver.h>
36#include "sst_platform.h"
37
38static struct sst_device *sst;
39static DEFINE_MUTEX(sst_lock);
40
41int sst_register_dsp(struct sst_device *dev)
42{
43 BUG_ON(!dev);
44 if (!try_module_get(dev->dev->driver->owner))
45 return -ENODEV;
46 mutex_lock(&sst_lock);
47 if (sst) {
48 pr_err("we already have a device %s\n", sst->name);
49 module_put(dev->dev->driver->owner);
50 mutex_unlock(&sst_lock);
51 return -EEXIST;
52 }
53 pr_debug("registering device %s\n", dev->name);
54 sst = dev;
55 mutex_unlock(&sst_lock);
56 return 0;
57}
58EXPORT_SYMBOL_GPL(sst_register_dsp);
59
60int sst_unregister_dsp(struct sst_device *dev)
61{
62 BUG_ON(!dev);
63 if (dev != sst)
64 return -EINVAL;
65
66 mutex_lock(&sst_lock);
67
68 if (!sst) {
69 mutex_unlock(&sst_lock);
70 return -EIO;
71 }
72
73 module_put(sst->dev->driver->owner);
74 pr_debug("unreg %s\n", sst->name);
75 sst = NULL;
76 mutex_unlock(&sst_lock);
77 return 0;
78}
79EXPORT_SYMBOL_GPL(sst_unregister_dsp);
80
81static struct snd_pcm_hardware sst_platform_pcm_hw = {
82 .info = (SNDRV_PCM_INFO_INTERLEAVED |
83 SNDRV_PCM_INFO_DOUBLE |
84 SNDRV_PCM_INFO_PAUSE |
85 SNDRV_PCM_INFO_RESUME |
86 SNDRV_PCM_INFO_MMAP|
87 SNDRV_PCM_INFO_MMAP_VALID |
88 SNDRV_PCM_INFO_BLOCK_TRANSFER |
89 SNDRV_PCM_INFO_SYNC_START),
90 .formats = (SNDRV_PCM_FMTBIT_S16 | SNDRV_PCM_FMTBIT_U16 |
91 SNDRV_PCM_FMTBIT_S24 | SNDRV_PCM_FMTBIT_U24 |
92 SNDRV_PCM_FMTBIT_S32 | SNDRV_PCM_FMTBIT_U32),
93 .rates = (SNDRV_PCM_RATE_8000|
94 SNDRV_PCM_RATE_44100 |
95 SNDRV_PCM_RATE_48000),
96 .rate_min = SST_MIN_RATE,
97 .rate_max = SST_MAX_RATE,
98 .channels_min = SST_MIN_CHANNEL,
99 .channels_max = SST_MAX_CHANNEL,
100 .buffer_bytes_max = SST_MAX_BUFFER,
101 .period_bytes_min = SST_MIN_PERIOD_BYTES,
102 .period_bytes_max = SST_MAX_PERIOD_BYTES,
103 .periods_min = SST_MIN_PERIODS,
104 .periods_max = SST_MAX_PERIODS,
105 .fifo_size = SST_FIFO_SIZE,
106};
107
108
109static struct snd_soc_dai_driver sst_platform_dai[] = {
110{
111 .name = "Headset-cpu-dai",
112 .id = 0,
113 .playback = {
114 .channels_min = SST_STEREO,
115 .channels_max = SST_STEREO,
116 .rates = SNDRV_PCM_RATE_48000,
117 .formats = SNDRV_PCM_FMTBIT_S24_LE,
118 },
119 .capture = {
120 .channels_min = 1,
121 .channels_max = 5,
122 .rates = SNDRV_PCM_RATE_48000,
123 .formats = SNDRV_PCM_FMTBIT_S24_LE,
124 },
125},
126{
127 .name = "Speaker-cpu-dai",
128 .id = 1,
129 .playback = {
130 .channels_min = SST_MONO,
131 .channels_max = SST_STEREO,
132 .rates = SNDRV_PCM_RATE_48000,
133 .formats = SNDRV_PCM_FMTBIT_S24_LE,
134 },
135},
136{
137 .name = "Vibra1-cpu-dai",
138 .id = 2,
139 .playback = {
140 .channels_min = SST_MONO,
141 .channels_max = SST_MONO,
142 .rates = SNDRV_PCM_RATE_48000,
143 .formats = SNDRV_PCM_FMTBIT_S24_LE,
144 },
145},
146{
147 .name = "Vibra2-cpu-dai",
148 .id = 3,
149 .playback = {
150 .channels_min = SST_MONO,
151 .channels_max = SST_STEREO,
152 .rates = SNDRV_PCM_RATE_48000,
153 .formats = SNDRV_PCM_FMTBIT_S24_LE,
154 },
155},
156{
157 .name = "Compress-cpu-dai",
158 .compress_dai = 1,
159 .playback = {
160 .channels_min = SST_STEREO,
161 .channels_max = SST_STEREO,
162 .rates = SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000,
163 .formats = SNDRV_PCM_FMTBIT_S16_LE,
164 },
165},
166};
167
168
169static inline void sst_set_stream_status(struct sst_runtime_stream *stream,
170 int state)
171{
172 unsigned long flags;
173 spin_lock_irqsave(&stream->status_lock, flags);
174 stream->stream_status = state;
175 spin_unlock_irqrestore(&stream->status_lock, flags);
176}
177
178static inline int sst_get_stream_status(struct sst_runtime_stream *stream)
179{
180 int state;
181 unsigned long flags;
182
183 spin_lock_irqsave(&stream->status_lock, flags);
184 state = stream->stream_status;
185 spin_unlock_irqrestore(&stream->status_lock, flags);
186 return state;
187}
188
189static void sst_fill_pcm_params(struct snd_pcm_substream *substream,
190 struct sst_pcm_params *param)
191{
192
193 param->codec = SST_CODEC_TYPE_PCM;
194 param->num_chan = (u8) substream->runtime->channels;
195 param->pcm_wd_sz = substream->runtime->sample_bits;
196 param->reserved = 0;
197 param->sfreq = substream->runtime->rate;
198 param->ring_buffer_size = snd_pcm_lib_buffer_bytes(substream);
199 param->period_count = substream->runtime->period_size;
200 param->ring_buffer_addr = virt_to_phys(substream->dma_buffer.area);
201 pr_debug("period_cnt = %d\n", param->period_count);
202 pr_debug("sfreq= %d, wd_sz = %d\n", param->sfreq, param->pcm_wd_sz);
203}
204
205static int sst_platform_alloc_stream(struct snd_pcm_substream *substream)
206{
207 struct sst_runtime_stream *stream =
208 substream->runtime->private_data;
209 struct sst_pcm_params param = {0};
210 struct sst_stream_params str_params = {0};
211 int ret_val;
212
213
214 sst_fill_pcm_params(substream, ¶m);
215 substream->runtime->dma_area = substream->dma_buffer.area;
216 str_params.sparams = param;
217 str_params.codec = param.codec;
218 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
219 str_params.ops = STREAM_OPS_PLAYBACK;
220 str_params.device_type = substream->pcm->device + 1;
221 pr_debug("Playbck stream,Device %d\n",
222 substream->pcm->device);
223 } else {
224 str_params.ops = STREAM_OPS_CAPTURE;
225 str_params.device_type = SND_SST_DEVICE_CAPTURE;
226 pr_debug("Capture stream,Device %d\n",
227 substream->pcm->device);
228 }
229 ret_val = stream->ops->open(&str_params);
230 pr_debug("SST_SND_PLAY/CAPTURE ret_val = %x\n", ret_val);
231 if (ret_val < 0)
232 return ret_val;
233
234 stream->stream_info.str_id = ret_val;
235 pr_debug("str id : %d\n", stream->stream_info.str_id);
236 return ret_val;
237}
238
239static void sst_period_elapsed(void *mad_substream)
240{
241 struct snd_pcm_substream *substream = mad_substream;
242 struct sst_runtime_stream *stream;
243 int status;
244
245 if (!substream || !substream->runtime)
246 return;
247 stream = substream->runtime->private_data;
248 if (!stream)
249 return;
250 status = sst_get_stream_status(stream);
251 if (status != SST_PLATFORM_RUNNING)
252 return;
253 snd_pcm_period_elapsed(substream);
254}
255
256static int sst_platform_init_stream(struct snd_pcm_substream *substream)
257{
258 struct sst_runtime_stream *stream =
259 substream->runtime->private_data;
260 int ret_val;
261
262 pr_debug("setting buffer ptr param\n");
263 sst_set_stream_status(stream, SST_PLATFORM_INIT);
264 stream->stream_info.period_elapsed = sst_period_elapsed;
265 stream->stream_info.mad_substream = substream;
266 stream->stream_info.buffer_ptr = 0;
267 stream->stream_info.sfreq = substream->runtime->rate;
268 ret_val = stream->ops->device_control(
269 SST_SND_STREAM_INIT, &stream->stream_info);
270 if (ret_val)
271 pr_err("control_set ret error %d\n", ret_val);
272 return ret_val;
273
274}
275
276
277static int sst_platform_open(struct snd_pcm_substream *substream)
278{
279 struct snd_pcm_runtime *runtime = substream->runtime;
280 struct sst_runtime_stream *stream;
281 int ret_val;
282
283 pr_debug("sst_platform_open called\n");
284
285 snd_soc_set_runtime_hwparams(substream, &sst_platform_pcm_hw);
286 ret_val = snd_pcm_hw_constraint_integer(runtime,
287 SNDRV_PCM_HW_PARAM_PERIODS);
288 if (ret_val < 0)
289 return ret_val;
290
291 stream = kzalloc(sizeof(*stream), GFP_KERNEL);
292 if (!stream)
293 return -ENOMEM;
294 spin_lock_init(&stream->status_lock);
295
296
297 mutex_lock(&sst_lock);
298 if (!sst) {
299 pr_err("no device available to run\n");
300 mutex_unlock(&sst_lock);
301 kfree(stream);
302 return -ENODEV;
303 }
304 if (!try_module_get(sst->dev->driver->owner)) {
305 mutex_unlock(&sst_lock);
306 kfree(stream);
307 return -ENODEV;
308 }
309 stream->ops = sst->ops;
310 mutex_unlock(&sst_lock);
311
312 stream->stream_info.str_id = 0;
313 sst_set_stream_status(stream, SST_PLATFORM_INIT);
314 stream->stream_info.mad_substream = substream;
315
316 runtime->private_data = stream;
317
318 return 0;
319}
320
321static int sst_platform_close(struct snd_pcm_substream *substream)
322{
323 struct sst_runtime_stream *stream;
324 int ret_val = 0, str_id;
325
326 pr_debug("sst_platform_close called\n");
327 stream = substream->runtime->private_data;
328 str_id = stream->stream_info.str_id;
329 if (str_id)
330 ret_val = stream->ops->close(str_id);
331 module_put(sst->dev->driver->owner);
332 kfree(stream);
333 return ret_val;
334}
335
336static int sst_platform_pcm_prepare(struct snd_pcm_substream *substream)
337{
338 struct sst_runtime_stream *stream;
339 int ret_val = 0, str_id;
340
341 pr_debug("sst_platform_pcm_prepare called\n");
342 stream = substream->runtime->private_data;
343 str_id = stream->stream_info.str_id;
344 if (stream->stream_info.str_id) {
345 ret_val = stream->ops->device_control(
346 SST_SND_DROP, &str_id);
347 return ret_val;
348 }
349
350 ret_val = sst_platform_alloc_stream(substream);
351 if (ret_val < 0)
352 return ret_val;
353 snprintf(substream->pcm->id, sizeof(substream->pcm->id),
354 "%d", stream->stream_info.str_id);
355
356 ret_val = sst_platform_init_stream(substream);
357 if (ret_val)
358 return ret_val;
359 substream->runtime->hw.info = SNDRV_PCM_INFO_BLOCK_TRANSFER;
360 return ret_val;
361}
362
363static int sst_platform_pcm_trigger(struct snd_pcm_substream *substream,
364 int cmd)
365{
366 int ret_val = 0, str_id;
367 struct sst_runtime_stream *stream;
368 int str_cmd, status;
369
370 pr_debug("sst_platform_pcm_trigger called\n");
371 stream = substream->runtime->private_data;
372 str_id = stream->stream_info.str_id;
373 switch (cmd) {
374 case SNDRV_PCM_TRIGGER_START:
375 pr_debug("sst: Trigger Start\n");
376 str_cmd = SST_SND_START;
377 status = SST_PLATFORM_RUNNING;
378 stream->stream_info.mad_substream = substream;
379 break;
380 case SNDRV_PCM_TRIGGER_STOP:
381 pr_debug("sst: in stop\n");
382 str_cmd = SST_SND_DROP;
383 status = SST_PLATFORM_DROPPED;
384 break;
385 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
386 pr_debug("sst: in pause\n");
387 str_cmd = SST_SND_PAUSE;
388 status = SST_PLATFORM_PAUSED;
389 break;
390 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
391 pr_debug("sst: in pause release\n");
392 str_cmd = SST_SND_RESUME;
393 status = SST_PLATFORM_RUNNING;
394 break;
395 default:
396 return -EINVAL;
397 }
398 ret_val = stream->ops->device_control(str_cmd, &str_id);
399 if (!ret_val)
400 sst_set_stream_status(stream, status);
401
402 return ret_val;
403}
404
405
406static snd_pcm_uframes_t sst_platform_pcm_pointer
407 (struct snd_pcm_substream *substream)
408{
409 struct sst_runtime_stream *stream;
410 int ret_val, status;
411 struct pcm_stream_info *str_info;
412
413 stream = substream->runtime->private_data;
414 status = sst_get_stream_status(stream);
415 if (status == SST_PLATFORM_INIT)
416 return 0;
417 str_info = &stream->stream_info;
418 ret_val = stream->ops->device_control(
419 SST_SND_BUFFER_POINTER, str_info);
420 if (ret_val) {
421 pr_err("sst: error code = %d\n", ret_val);
422 return ret_val;
423 }
424 return stream->stream_info.buffer_ptr;
425}
426
427static int sst_platform_pcm_hw_params(struct snd_pcm_substream *substream,
428 struct snd_pcm_hw_params *params)
429{
430 snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
431 memset(substream->runtime->dma_area, 0, params_buffer_bytes(params));
432
433 return 0;
434}
435
436static int sst_platform_pcm_hw_free(struct snd_pcm_substream *substream)
437{
438 return snd_pcm_lib_free_pages(substream);
439}
440
441static struct snd_pcm_ops sst_platform_ops = {
442 .open = sst_platform_open,
443 .close = sst_platform_close,
444 .ioctl = snd_pcm_lib_ioctl,
445 .prepare = sst_platform_pcm_prepare,
446 .trigger = sst_platform_pcm_trigger,
447 .pointer = sst_platform_pcm_pointer,
448 .hw_params = sst_platform_pcm_hw_params,
449 .hw_free = sst_platform_pcm_hw_free,
450};
451
452static void sst_pcm_free(struct snd_pcm *pcm)
453{
454 pr_debug("sst_pcm_free called\n");
455 snd_pcm_lib_preallocate_free_for_all(pcm);
456}
457
458static int sst_pcm_new(struct snd_soc_pcm_runtime *rtd)
459{
460 struct snd_pcm *pcm = rtd->pcm;
461 int retval = 0;
462
463 pr_debug("sst_pcm_new called\n");
464 if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream ||
465 pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {
466 retval = snd_pcm_lib_preallocate_pages_for_all(pcm,
467 SNDRV_DMA_TYPE_CONTINUOUS,
468 snd_dma_continuous_data(GFP_KERNEL),
469 SST_MIN_BUFFER, SST_MAX_BUFFER);
470 if (retval) {
471 pr_err("dma buffer allocationf fail\n");
472 return retval;
473 }
474 }
475 return retval;
476}
477
478
479static void sst_compr_fragment_elapsed(void *arg)
480{
481 struct snd_compr_stream *cstream = (struct snd_compr_stream *)arg;
482
483 pr_debug("fragment elapsed by driver\n");
484 if (cstream)
485 snd_compr_fragment_elapsed(cstream);
486}
487
488static int sst_platform_compr_open(struct snd_compr_stream *cstream)
489{
490
491 int ret_val = 0;
492 struct snd_compr_runtime *runtime = cstream->runtime;
493 struct sst_runtime_stream *stream;
494
495 stream = kzalloc(sizeof(*stream), GFP_KERNEL);
496 if (!stream)
497 return -ENOMEM;
498
499 spin_lock_init(&stream->status_lock);
500
501
502 if (!sst || !try_module_get(sst->dev->driver->owner)) {
503 pr_err("no device available to run\n");
504 ret_val = -ENODEV;
505 goto out_ops;
506 }
507 stream->compr_ops = sst->compr_ops;
508
509 stream->id = 0;
510 sst_set_stream_status(stream, SST_PLATFORM_INIT);
511 runtime->private_data = stream;
512 return 0;
513out_ops:
514 kfree(stream);
515 return ret_val;
516}
517
518static int sst_platform_compr_free(struct snd_compr_stream *cstream)
519{
520 struct sst_runtime_stream *stream;
521 int ret_val = 0, str_id;
522
523 stream = cstream->runtime->private_data;
524
525 str_id = stream->id;
526 if (str_id)
527 ret_val = stream->compr_ops->close(str_id);
528 module_put(sst->dev->driver->owner);
529 kfree(stream);
530 pr_debug("%s: %d\n", __func__, ret_val);
531 return 0;
532}
533
534static int sst_platform_compr_set_params(struct snd_compr_stream *cstream,
535 struct snd_compr_params *params)
536{
537 struct sst_runtime_stream *stream;
538 int retval;
539 struct snd_sst_params str_params;
540 struct sst_compress_cb cb;
541
542 stream = cstream->runtime->private_data;
543
544 memset(&str_params, 0, sizeof(str_params));
545
546 str_params.ops = STREAM_OPS_PLAYBACK;
547 str_params.stream_type = SST_STREAM_TYPE_MUSIC;
548 str_params.device_type = SND_SST_DEVICE_COMPRESS;
549
550 switch (params->codec.id) {
551 case SND_AUDIOCODEC_MP3: {
552 str_params.codec = SST_CODEC_TYPE_MP3;
553 str_params.sparams.uc.mp3_params.codec = SST_CODEC_TYPE_MP3;
554 str_params.sparams.uc.mp3_params.num_chan = params->codec.ch_in;
555 str_params.sparams.uc.mp3_params.pcm_wd_sz = 16;
556 break;
557 }
558
559 case SND_AUDIOCODEC_AAC: {
560 str_params.codec = SST_CODEC_TYPE_AAC;
561 str_params.sparams.uc.aac_params.codec = SST_CODEC_TYPE_AAC;
562 str_params.sparams.uc.aac_params.num_chan = params->codec.ch_in;
563 str_params.sparams.uc.aac_params.pcm_wd_sz = 16;
564 if (params->codec.format == SND_AUDIOSTREAMFORMAT_MP4ADTS)
565 str_params.sparams.uc.aac_params.bs_format =
566 AAC_BIT_STREAM_ADTS;
567 else if (params->codec.format == SND_AUDIOSTREAMFORMAT_RAW)
568 str_params.sparams.uc.aac_params.bs_format =
569 AAC_BIT_STREAM_RAW;
570 else {
571 pr_err("Undefined format%d\n", params->codec.format);
572 return -EINVAL;
573 }
574 str_params.sparams.uc.aac_params.externalsr =
575 params->codec.sample_rate;
576 break;
577 }
578
579 default:
580 pr_err("codec not supported, id =%d\n", params->codec.id);
581 return -EINVAL;
582 }
583
584 str_params.aparams.ring_buf_info[0].addr =
585 virt_to_phys(cstream->runtime->buffer);
586 str_params.aparams.ring_buf_info[0].size =
587 cstream->runtime->buffer_size;
588 str_params.aparams.sg_count = 1;
589 str_params.aparams.frag_size = cstream->runtime->fragment_size;
590
591 cb.param = cstream;
592 cb.compr_cb = sst_compr_fragment_elapsed;
593
594 retval = stream->compr_ops->open(&str_params, &cb);
595 if (retval < 0) {
596 pr_err("stream allocation failed %d\n", retval);
597 return retval;
598 }
599
600 stream->id = retval;
601 return 0;
602}
603
604static int sst_platform_compr_trigger(struct snd_compr_stream *cstream, int cmd)
605{
606 struct sst_runtime_stream *stream =
607 cstream->runtime->private_data;
608
609 return stream->compr_ops->control(cmd, stream->id);
610}
611
612static int sst_platform_compr_pointer(struct snd_compr_stream *cstream,
613 struct snd_compr_tstamp *tstamp)
614{
615 struct sst_runtime_stream *stream;
616
617 stream = cstream->runtime->private_data;
618 stream->compr_ops->tstamp(stream->id, tstamp);
619 tstamp->byte_offset = tstamp->copied_total %
620 (u32)cstream->runtime->buffer_size;
621 pr_debug("calc bytes offset/copied bytes as %d\n", tstamp->byte_offset);
622 return 0;
623}
624
625static int sst_platform_compr_ack(struct snd_compr_stream *cstream,
626 size_t bytes)
627{
628 struct sst_runtime_stream *stream;
629
630 stream = cstream->runtime->private_data;
631 stream->compr_ops->ack(stream->id, (unsigned long)bytes);
632 stream->bytes_written += bytes;
633
634 return 0;
635}
636
637static int sst_platform_compr_get_caps(struct snd_compr_stream *cstream,
638 struct snd_compr_caps *caps)
639{
640 struct sst_runtime_stream *stream =
641 cstream->runtime->private_data;
642
643 return stream->compr_ops->get_caps(caps);
644}
645
646static int sst_platform_compr_get_codec_caps(struct snd_compr_stream *cstream,
647 struct snd_compr_codec_caps *codec)
648{
649 struct sst_runtime_stream *stream =
650 cstream->runtime->private_data;
651
652 return stream->compr_ops->get_codec_caps(codec);
653}
654
655static struct snd_compr_ops sst_platform_compr_ops = {
656
657 .open = sst_platform_compr_open,
658 .free = sst_platform_compr_free,
659 .set_params = sst_platform_compr_set_params,
660 .trigger = sst_platform_compr_trigger,
661 .pointer = sst_platform_compr_pointer,
662 .ack = sst_platform_compr_ack,
663 .get_caps = sst_platform_compr_get_caps,
664 .get_codec_caps = sst_platform_compr_get_codec_caps,
665};
666
667static struct snd_soc_platform_driver sst_soc_platform_drv = {
668 .ops = &sst_platform_ops,
669 .compr_ops = &sst_platform_compr_ops,
670 .pcm_new = sst_pcm_new,
671 .pcm_free = sst_pcm_free,
672};
673
674static int sst_platform_probe(struct platform_device *pdev)
675{
676 int ret;
677
678 pr_debug("sst_platform_probe called\n");
679 sst = NULL;
680 ret = snd_soc_register_platform(&pdev->dev, &sst_soc_platform_drv);
681 if (ret) {
682 pr_err("registering soc platform failed\n");
683 return ret;
684 }
685
686 ret = snd_soc_register_dais(&pdev->dev,
687 sst_platform_dai, ARRAY_SIZE(sst_platform_dai));
688 if (ret) {
689 pr_err("registering cpu dais failed\n");
690 snd_soc_unregister_platform(&pdev->dev);
691 }
692 return ret;
693}
694
695static int sst_platform_remove(struct platform_device *pdev)
696{
697
698 snd_soc_unregister_dais(&pdev->dev, ARRAY_SIZE(sst_platform_dai));
699 snd_soc_unregister_platform(&pdev->dev);
700 pr_debug("sst_platform_remove success\n");
701 return 0;
702}
703
704static struct platform_driver sst_platform_driver = {
705 .driver = {
706 .name = "sst-platform",
707 .owner = THIS_MODULE,
708 },
709 .probe = sst_platform_probe,
710 .remove = sst_platform_remove,
711};
712
713module_platform_driver(sst_platform_driver);
714
715MODULE_DESCRIPTION("ASoC Intel(R) MID Platform driver");
716MODULE_AUTHOR("Vinod Koul <vinod.koul@intel.com>");
717MODULE_AUTHOR("Harsha Priya <priya.harsha@intel.com>");
718MODULE_LICENSE("GPL v2");
719MODULE_ALIAS("platform:sst-platform");
720
