1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright(c) 2018 Intel Corporation.
3
4 /*
5 * Intel Kabylake I2S Machine Driver with MAX98927, MAX98373 & DA7219 Codecs
6 *
7 * Modified from:
8 * Intel Kabylake I2S Machine driver supporting MAX98927 and
9 * RT5663 codecs
10 */
11
12 #include <linux/input.h>
13 #include <linux/module.h>
14 #include <linux/platform_device.h>
15 #include <sound/core.h>
16 #include <sound/jack.h>
17 #include <sound/pcm.h>
18 #include <sound/pcm_params.h>
19 #include <sound/soc.h>
20 #include "../../codecs/da7219.h"
21 #include "../../codecs/hdac_hdmi.h"
22 #include "../../codecs/da7219-aad.h"
23
24 #define KBL_DIALOG_CODEC_DAI "da7219-hifi"
25 #define MAX98927_CODEC_DAI "max98927-aif1"
26 #define MAX98927_DEV0_NAME "i2c-MX98927:00"
27 #define MAX98927_DEV1_NAME "i2c-MX98927:01"
28
29 #define MAX98373_CODEC_DAI "max98373-aif1"
30 #define MAX98373_DEV0_NAME "i2c-MX98373:00"
31 #define MAX98373_DEV1_NAME "i2c-MX98373:01"
32
33
34 #define DUAL_CHANNEL 2
35 #define QUAD_CHANNEL 4
36 #define NAME_SIZE 32
37
38 static struct snd_soc_card *kabylake_audio_card;
39 static struct snd_soc_jack kabylake_hdmi[3];
40
41 struct kbl_hdmi_pcm {
42 struct list_head head;
43 struct snd_soc_dai *codec_dai;
44 int device;
45 };
46
47 struct kbl_codec_private {
48 struct snd_soc_jack kabylake_headset;
49 struct list_head hdmi_pcm_list;
50 };
51
52 enum {
53 KBL_DPCM_AUDIO_PB = 0,
54 KBL_DPCM_AUDIO_ECHO_REF_CP,
55 KBL_DPCM_AUDIO_REF_CP,
56 KBL_DPCM_AUDIO_DMIC_CP,
57 KBL_DPCM_AUDIO_HDMI1_PB,
58 KBL_DPCM_AUDIO_HDMI2_PB,
59 KBL_DPCM_AUDIO_HDMI3_PB,
60 KBL_DPCM_AUDIO_HS_PB,
61 KBL_DPCM_AUDIO_CP,
62 };
63
platform_clock_control(struct snd_soc_dapm_widget * w,struct snd_kcontrol * k,int event)64 static int platform_clock_control(struct snd_soc_dapm_widget *w,
65 struct snd_kcontrol *k, int event)
66 {
67 struct snd_soc_dapm_context *dapm = w->dapm;
68 struct snd_soc_card *card = dapm->card;
69 struct snd_soc_dai *codec_dai;
70 int ret = 0;
71
72 codec_dai = snd_soc_card_get_codec_dai(card, KBL_DIALOG_CODEC_DAI);
73 if (!codec_dai) {
74 dev_err(card->dev, "Codec dai not found; Unable to set/unset codec pll\n");
75 return -EIO;
76 }
77
78 /* Configure sysclk for codec */
79 ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK, 24576000,
80 SND_SOC_CLOCK_IN);
81 if (ret) {
82 dev_err(card->dev, "can't set codec sysclk configuration\n");
83 return ret;
84 }
85
86 if (SND_SOC_DAPM_EVENT_OFF(event)) {
87 ret = snd_soc_dai_set_pll(codec_dai, 0,
88 DA7219_SYSCLK_MCLK, 0, 0);
89 if (ret)
90 dev_err(card->dev, "failed to stop PLL: %d\n", ret);
91 } else if (SND_SOC_DAPM_EVENT_ON(event)) {
92 ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_PLL_SRM,
93 0, DA7219_PLL_FREQ_OUT_98304);
94 if (ret)
95 dev_err(card->dev, "failed to start PLL: %d\n", ret);
96 }
97
98 return ret;
99 }
100
101 static const struct snd_kcontrol_new kabylake_controls[] = {
102 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
103 SOC_DAPM_PIN_SWITCH("Headset Mic"),
104 SOC_DAPM_PIN_SWITCH("Left Spk"),
105 SOC_DAPM_PIN_SWITCH("Right Spk"),
106 };
107
108 static const struct snd_soc_dapm_widget kabylake_widgets[] = {
109 SND_SOC_DAPM_HP("Headphone Jack", NULL),
110 SND_SOC_DAPM_MIC("Headset Mic", NULL),
111 SND_SOC_DAPM_SPK("Left Spk", NULL),
112 SND_SOC_DAPM_SPK("Right Spk", NULL),
113 SND_SOC_DAPM_MIC("SoC DMIC", NULL),
114 SND_SOC_DAPM_SPK("HDMI1", NULL),
115 SND_SOC_DAPM_SPK("HDMI2", NULL),
116 SND_SOC_DAPM_SPK("HDMI3", NULL),
117 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
118 platform_clock_control, SND_SOC_DAPM_PRE_PMU |
119 SND_SOC_DAPM_POST_PMD),
120 };
121
122 static const struct snd_soc_dapm_route kabylake_map[] = {
123 /* speaker */
124 { "Left Spk", NULL, "Left BE_OUT" },
125 { "Right Spk", NULL, "Right BE_OUT" },
126
127 /* other jacks */
128 { "DMic", NULL, "SoC DMIC" },
129
130 {"HDMI1", NULL, "hif5-0 Output"},
131 {"HDMI2", NULL, "hif6-0 Output"},
132 {"HDMI3", NULL, "hif7-0 Output"},
133
134 /* CODEC BE connections */
135 { "Left HiFi Playback", NULL, "ssp0 Tx" },
136 { "Right HiFi Playback", NULL, "ssp0 Tx" },
137 { "ssp0 Tx", NULL, "spk_out" },
138
139 /* IV feedback path */
140 { "codec0_fb_in", NULL, "ssp0 Rx"},
141 { "ssp0 Rx", NULL, "Left HiFi Capture" },
142 { "ssp0 Rx", NULL, "Right HiFi Capture" },
143
144 /* AEC capture path */
145 { "echo_ref_out", NULL, "ssp0 Rx" },
146
147 /* DMIC */
148 { "dmic01_hifi", NULL, "DMIC01 Rx" },
149 { "DMIC01 Rx", NULL, "DMIC AIF" },
150
151 { "hifi1", NULL, "iDisp1 Tx" },
152 { "iDisp1 Tx", NULL, "iDisp1_out" },
153 { "hifi2", NULL, "iDisp2 Tx" },
154 { "iDisp2 Tx", NULL, "iDisp2_out" },
155 { "hifi3", NULL, "iDisp3 Tx"},
156 { "iDisp3 Tx", NULL, "iDisp3_out"},
157 };
158
159 static const struct snd_soc_dapm_route kabylake_ssp1_map[] = {
160 { "Headphone Jack", NULL, "HPL" },
161 { "Headphone Jack", NULL, "HPR" },
162
163 /* other jacks */
164 { "MIC", NULL, "Headset Mic" },
165
166 /* CODEC BE connections */
167 { "Playback", NULL, "ssp1 Tx" },
168 { "ssp1 Tx", NULL, "codec1_out" },
169
170 { "hs_in", NULL, "ssp1 Rx" },
171 { "ssp1 Rx", NULL, "Capture" },
172
173 { "Headphone Jack", NULL, "Platform Clock" },
174 { "Headset Mic", NULL, "Platform Clock" },
175 };
176
kabylake_ssp0_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)177 static int kabylake_ssp0_hw_params(struct snd_pcm_substream *substream,
178 struct snd_pcm_hw_params *params)
179 {
180 struct snd_soc_pcm_runtime *runtime = asoc_substream_to_rtd(substream);
181 struct snd_soc_dai *codec_dai;
182 int ret, j;
183
184 for_each_rtd_codec_dais(runtime, j, codec_dai) {
185
186 if (!strcmp(codec_dai->component->name, MAX98927_DEV0_NAME)) {
187 ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x30, 3, 8, 16);
188 if (ret < 0) {
189 dev_err(runtime->dev, "DEV0 TDM slot err:%d\n", ret);
190 return ret;
191 }
192 }
193 if (!strcmp(codec_dai->component->name, MAX98927_DEV1_NAME)) {
194 ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xC0, 3, 8, 16);
195 if (ret < 0) {
196 dev_err(runtime->dev, "DEV1 TDM slot err:%d\n", ret);
197 return ret;
198 }
199 }
200 if (!strcmp(codec_dai->component->name, MAX98373_DEV0_NAME)) {
201 ret = snd_soc_dai_set_tdm_slot(codec_dai,
202 0x30, 3, 8, 16);
203 if (ret < 0) {
204 dev_err(runtime->dev,
205 "DEV0 TDM slot err:%d\n", ret);
206 return ret;
207 }
208 }
209 if (!strcmp(codec_dai->component->name, MAX98373_DEV1_NAME)) {
210 ret = snd_soc_dai_set_tdm_slot(codec_dai,
211 0xC0, 3, 8, 16);
212 if (ret < 0) {
213 dev_err(runtime->dev,
214 "DEV1 TDM slot err:%d\n", ret);
215 return ret;
216 }
217 }
218 }
219
220 return 0;
221 }
222
kabylake_ssp0_trigger(struct snd_pcm_substream * substream,int cmd)223 static int kabylake_ssp0_trigger(struct snd_pcm_substream *substream, int cmd)
224 {
225 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
226 struct snd_soc_dai *codec_dai;
227 int j, ret;
228
229 for_each_rtd_codec_dais(rtd, j, codec_dai) {
230 const char *name = codec_dai->component->name;
231 struct snd_soc_component *component = codec_dai->component;
232 struct snd_soc_dapm_context *dapm =
233 snd_soc_component_get_dapm(component);
234 char pin_name[20];
235
236 if (strcmp(name, MAX98927_DEV0_NAME) &&
237 strcmp(name, MAX98927_DEV1_NAME) &&
238 strcmp(name, MAX98373_DEV0_NAME) &&
239 strcmp(name, MAX98373_DEV1_NAME))
240 continue;
241
242 snprintf(pin_name, ARRAY_SIZE(pin_name), "%s Spk",
243 codec_dai->component->name_prefix);
244
245 switch (cmd) {
246 case SNDRV_PCM_TRIGGER_START:
247 case SNDRV_PCM_TRIGGER_RESUME:
248 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
249 ret = snd_soc_dapm_enable_pin(dapm, pin_name);
250 if (ret) {
251 dev_err(rtd->dev, "failed to enable %s: %d\n",
252 pin_name, ret);
253 return ret;
254 }
255 snd_soc_dapm_sync(dapm);
256 break;
257 case SNDRV_PCM_TRIGGER_STOP:
258 case SNDRV_PCM_TRIGGER_SUSPEND:
259 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
260 ret = snd_soc_dapm_disable_pin(dapm, pin_name);
261 if (ret) {
262 dev_err(rtd->dev, "failed to disable %s: %d\n",
263 pin_name, ret);
264 return ret;
265 }
266 snd_soc_dapm_sync(dapm);
267 break;
268 }
269 }
270
271 return 0;
272 }
273
274 static struct snd_soc_ops kabylake_ssp0_ops = {
275 .hw_params = kabylake_ssp0_hw_params,
276 .trigger = kabylake_ssp0_trigger,
277 };
278
kabylake_ssp_fixup(struct snd_soc_pcm_runtime * rtd,struct snd_pcm_hw_params * params)279 static int kabylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
280 struct snd_pcm_hw_params *params)
281 {
282 struct snd_interval *rate = hw_param_interval(params,
283 SNDRV_PCM_HW_PARAM_RATE);
284 struct snd_interval *chan = hw_param_interval(params,
285 SNDRV_PCM_HW_PARAM_CHANNELS);
286 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
287 struct snd_soc_dpcm *dpcm, *rtd_dpcm = NULL;
288
289 /*
290 * The following loop will be called only for playback stream
291 * In this platform, there is only one playback device on every SSP
292 */
293 for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_PLAYBACK, dpcm) {
294 rtd_dpcm = dpcm;
295 break;
296 }
297
298 /*
299 * This following loop will be called only for capture stream
300 * In this platform, there is only one capture device on every SSP
301 */
302 for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_CAPTURE, dpcm) {
303 rtd_dpcm = dpcm;
304 break;
305 }
306
307 if (!rtd_dpcm)
308 return -EINVAL;
309
310 /*
311 * The above 2 loops are mutually exclusive based on the stream direction,
312 * thus rtd_dpcm variable will never be overwritten
313 */
314
315 /*
316 * The ADSP will convert the FE rate to 48k, stereo, 24 bit
317 */
318 if (!strcmp(rtd_dpcm->fe->dai_link->name, "Kbl Audio Port") ||
319 !strcmp(rtd_dpcm->fe->dai_link->name, "Kbl Audio Headset Playback") ||
320 !strcmp(rtd_dpcm->fe->dai_link->name, "Kbl Audio Capture Port")) {
321 rate->min = rate->max = 48000;
322 chan->min = chan->max = 2;
323 snd_mask_none(fmt);
324 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
325 }
326
327 /*
328 * The speaker on the SSP0 supports S16_LE and not S24_LE.
329 * thus changing the mask here
330 */
331 if (!strcmp(rtd_dpcm->be->dai_link->name, "SSP0-Codec"))
332 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
333
334 return 0;
335 }
336
kabylake_da7219_codec_init(struct snd_soc_pcm_runtime * rtd)337 static int kabylake_da7219_codec_init(struct snd_soc_pcm_runtime *rtd)
338 {
339 struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card);
340 struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
341 struct snd_soc_jack *jack;
342 struct snd_soc_card *card = rtd->card;
343 int ret;
344
345
346 ret = snd_soc_dapm_add_routes(&card->dapm,
347 kabylake_ssp1_map,
348 ARRAY_SIZE(kabylake_ssp1_map));
349
350 if (ret)
351 return ret;
352
353 /*
354 * Headset buttons map to the google Reference headset.
355 * These can be configured by userspace.
356 */
357 ret = snd_soc_card_jack_new(kabylake_audio_card, "Headset Jack",
358 SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
359 SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_LINEOUT,
360 &ctx->kabylake_headset, NULL, 0);
361 if (ret) {
362 dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);
363 return ret;
364 }
365
366 jack = &ctx->kabylake_headset;
367 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
368 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
369 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
370 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
371
372 da7219_aad_jack_det(component, &ctx->kabylake_headset);
373
374 return 0;
375 }
376
kabylake_dmic_init(struct snd_soc_pcm_runtime * rtd)377 static int kabylake_dmic_init(struct snd_soc_pcm_runtime *rtd)
378 {
379 int ret;
380 ret = snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
381 if (ret)
382 dev_err(rtd->dev, "SoC DMIC - Ignore suspend failed %d\n", ret);
383
384 return ret;
385 }
386
kabylake_hdmi_init(struct snd_soc_pcm_runtime * rtd,int device)387 static int kabylake_hdmi_init(struct snd_soc_pcm_runtime *rtd, int device)
388 {
389 struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card);
390 struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
391 struct kbl_hdmi_pcm *pcm;
392
393 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
394 if (!pcm)
395 return -ENOMEM;
396
397 pcm->device = device;
398 pcm->codec_dai = dai;
399
400 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
401
402 return 0;
403 }
404
kabylake_hdmi1_init(struct snd_soc_pcm_runtime * rtd)405 static int kabylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
406 {
407 return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI1_PB);
408 }
409
kabylake_hdmi2_init(struct snd_soc_pcm_runtime * rtd)410 static int kabylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
411 {
412 return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI2_PB);
413 }
414
kabylake_hdmi3_init(struct snd_soc_pcm_runtime * rtd)415 static int kabylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
416 {
417 return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI3_PB);
418 }
419
kabylake_da7219_fe_init(struct snd_soc_pcm_runtime * rtd)420 static int kabylake_da7219_fe_init(struct snd_soc_pcm_runtime *rtd)
421 {
422 struct snd_soc_dapm_context *dapm;
423 struct snd_soc_component *component = asoc_rtd_to_cpu(rtd, 0)->component;
424
425 dapm = snd_soc_component_get_dapm(component);
426 snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
427
428 return 0;
429 }
430
431 static const unsigned int rates[] = {
432 48000,
433 };
434
435 static const struct snd_pcm_hw_constraint_list constraints_rates = {
436 .count = ARRAY_SIZE(rates),
437 .list = rates,
438 .mask = 0,
439 };
440
441 static const unsigned int channels[] = {
442 DUAL_CHANNEL,
443 };
444
445 static const struct snd_pcm_hw_constraint_list constraints_channels = {
446 .count = ARRAY_SIZE(channels),
447 .list = channels,
448 .mask = 0,
449 };
450
451 static unsigned int channels_quad[] = {
452 QUAD_CHANNEL,
453 };
454
455 static struct snd_pcm_hw_constraint_list constraints_channels_quad = {
456 .count = ARRAY_SIZE(channels_quad),
457 .list = channels_quad,
458 .mask = 0,
459 };
460
kbl_fe_startup(struct snd_pcm_substream * substream)461 static int kbl_fe_startup(struct snd_pcm_substream *substream)
462 {
463 struct snd_pcm_runtime *runtime = substream->runtime;
464
465 /*
466 * On this platform for PCM device we support,
467 * 48Khz
468 * stereo
469 * 16 bit audio
470 */
471
472 runtime->hw.channels_max = DUAL_CHANNEL;
473 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
474 &constraints_channels);
475
476 runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
477 snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
478
479 snd_pcm_hw_constraint_list(runtime, 0,
480 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
481
482 return 0;
483 }
484
485 static const struct snd_soc_ops kabylake_da7219_fe_ops = {
486 .startup = kbl_fe_startup,
487 };
488
kabylake_dmic_fixup(struct snd_soc_pcm_runtime * rtd,struct snd_pcm_hw_params * params)489 static int kabylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
490 struct snd_pcm_hw_params *params)
491 {
492 struct snd_interval *chan = hw_param_interval(params,
493 SNDRV_PCM_HW_PARAM_CHANNELS);
494
495 /*
496 * set BE channel constraint as user FE channels
497 */
498
499 if (params_channels(params) == 2)
500 chan->min = chan->max = 2;
501 else
502 chan->min = chan->max = 4;
503
504 return 0;
505 }
506
kabylake_dmic_startup(struct snd_pcm_substream * substream)507 static int kabylake_dmic_startup(struct snd_pcm_substream *substream)
508 {
509 struct snd_pcm_runtime *runtime = substream->runtime;
510
511 runtime->hw.channels_min = runtime->hw.channels_max = QUAD_CHANNEL;
512 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
513 &constraints_channels_quad);
514
515 return snd_pcm_hw_constraint_list(substream->runtime, 0,
516 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
517 }
518
519 static struct snd_soc_ops kabylake_dmic_ops = {
520 .startup = kabylake_dmic_startup,
521 };
522
523 static const unsigned int rates_16000[] = {
524 16000,
525 };
526
527 static const struct snd_pcm_hw_constraint_list constraints_16000 = {
528 .count = ARRAY_SIZE(rates_16000),
529 .list = rates_16000,
530 };
531
532 static const unsigned int ch_mono[] = {
533 1,
534 };
535 static const struct snd_pcm_hw_constraint_list constraints_refcap = {
536 .count = ARRAY_SIZE(ch_mono),
537 .list = ch_mono,
538 };
539
kabylake_refcap_startup(struct snd_pcm_substream * substream)540 static int kabylake_refcap_startup(struct snd_pcm_substream *substream)
541 {
542 substream->runtime->hw.channels_max = 1;
543 snd_pcm_hw_constraint_list(substream->runtime, 0,
544 SNDRV_PCM_HW_PARAM_CHANNELS,
545 &constraints_refcap);
546
547 return snd_pcm_hw_constraint_list(substream->runtime, 0,
548 SNDRV_PCM_HW_PARAM_RATE,
549 &constraints_16000);
550 }
551
552
553 static struct snd_soc_ops skylake_refcap_ops = {
554 .startup = kabylake_refcap_startup,
555 };
556
557 static struct snd_soc_codec_conf max98927_codec_conf[] = {
558
559 {
560 .dlc = COMP_CODEC_CONF(MAX98927_DEV0_NAME),
561 .name_prefix = "Right",
562 },
563
564 {
565 .dlc = COMP_CODEC_CONF(MAX98927_DEV1_NAME),
566 .name_prefix = "Left",
567 },
568 };
569
570 static struct snd_soc_codec_conf max98373_codec_conf[] = {
571
572 {
573 .dlc = COMP_CODEC_CONF(MAX98373_DEV0_NAME),
574 .name_prefix = "Right",
575 },
576
577 {
578 .dlc = COMP_CODEC_CONF(MAX98373_DEV1_NAME),
579 .name_prefix = "Left",
580 },
581 };
582
583 static struct snd_soc_dai_link_component max98373_ssp0_codec_components[] = {
584 { /* Left */
585 .name = MAX98373_DEV0_NAME,
586 .dai_name = MAX98373_CODEC_DAI,
587 },
588
589 { /* For Right */
590 .name = MAX98373_DEV1_NAME,
591 .dai_name = MAX98373_CODEC_DAI,
592 },
593
594 };
595
596 SND_SOC_DAILINK_DEF(dummy,
597 DAILINK_COMP_ARRAY(COMP_DUMMY()));
598
599 SND_SOC_DAILINK_DEF(system,
600 DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
601
602 SND_SOC_DAILINK_DEF(echoref,
603 DAILINK_COMP_ARRAY(COMP_CPU("Echoref Pin")));
604
605 SND_SOC_DAILINK_DEF(reference,
606 DAILINK_COMP_ARRAY(COMP_CPU("Reference Pin")));
607
608 SND_SOC_DAILINK_DEF(dmic,
609 DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin")));
610
611 SND_SOC_DAILINK_DEF(hdmi1,
612 DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin")));
613
614 SND_SOC_DAILINK_DEF(hdmi2,
615 DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin")));
616
617 SND_SOC_DAILINK_DEF(hdmi3,
618 DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin")));
619
620 SND_SOC_DAILINK_DEF(system2,
621 DAILINK_COMP_ARRAY(COMP_CPU("System Pin2")));
622
623 SND_SOC_DAILINK_DEF(ssp0_pin,
624 DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
625 SND_SOC_DAILINK_DEF(ssp0_codec,
626 DAILINK_COMP_ARRAY(
627 /* Left */ COMP_CODEC(MAX98927_DEV0_NAME, MAX98927_CODEC_DAI),
628 /* For Right */ COMP_CODEC(MAX98927_DEV1_NAME, MAX98927_CODEC_DAI)));
629
630 SND_SOC_DAILINK_DEF(ssp1_pin,
631 DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin")));
632 SND_SOC_DAILINK_DEF(ssp1_codec,
633 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-DLGS7219:00",
634 KBL_DIALOG_CODEC_DAI)));
635
636 SND_SOC_DAILINK_DEF(dmic_pin,
637 DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
638 SND_SOC_DAILINK_DEF(dmic_codec,
639 DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
640
641 SND_SOC_DAILINK_DEF(idisp1_pin,
642 DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
643 SND_SOC_DAILINK_DEF(idisp1_codec,
644 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
645
646 SND_SOC_DAILINK_DEF(idisp2_pin,
647 DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
648 SND_SOC_DAILINK_DEF(idisp2_codec,
649 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
650
651 SND_SOC_DAILINK_DEF(idisp3_pin,
652 DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
653 SND_SOC_DAILINK_DEF(idisp3_codec,
654 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
655
656 SND_SOC_DAILINK_DEF(platform,
657 DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
658
659 /* kabylake digital audio interface glue - connects codec <--> CPU */
660 static struct snd_soc_dai_link kabylake_dais[] = {
661 /* Front End DAI links */
662 [KBL_DPCM_AUDIO_PB] = {
663 .name = "Kbl Audio Port",
664 .stream_name = "Audio",
665 .dynamic = 1,
666 .nonatomic = 1,
667 .init = kabylake_da7219_fe_init,
668 .trigger = {
669 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
670 .dpcm_playback = 1,
671 .ops = &kabylake_da7219_fe_ops,
672 SND_SOC_DAILINK_REG(system, dummy, platform),
673 },
674 [KBL_DPCM_AUDIO_ECHO_REF_CP] = {
675 .name = "Kbl Audio Echo Reference cap",
676 .stream_name = "Echoreference Capture",
677 .init = NULL,
678 .dpcm_capture = 1,
679 .nonatomic = 1,
680 SND_SOC_DAILINK_REG(echoref, dummy, platform),
681 },
682 [KBL_DPCM_AUDIO_REF_CP] = {
683 .name = "Kbl Audio Reference cap",
684 .stream_name = "Wake on Voice",
685 .init = NULL,
686 .dpcm_capture = 1,
687 .nonatomic = 1,
688 .dynamic = 1,
689 .ops = &skylake_refcap_ops,
690 SND_SOC_DAILINK_REG(reference, dummy, platform),
691 },
692 [KBL_DPCM_AUDIO_DMIC_CP] = {
693 .name = "Kbl Audio DMIC cap",
694 .stream_name = "dmiccap",
695 .init = NULL,
696 .dpcm_capture = 1,
697 .nonatomic = 1,
698 .dynamic = 1,
699 .ops = &kabylake_dmic_ops,
700 SND_SOC_DAILINK_REG(dmic, dummy, platform),
701 },
702 [KBL_DPCM_AUDIO_HDMI1_PB] = {
703 .name = "Kbl HDMI Port1",
704 .stream_name = "Hdmi1",
705 .dpcm_playback = 1,
706 .init = NULL,
707 .trigger = {
708 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
709 .nonatomic = 1,
710 .dynamic = 1,
711 SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
712 },
713 [KBL_DPCM_AUDIO_HDMI2_PB] = {
714 .name = "Kbl HDMI Port2",
715 .stream_name = "Hdmi2",
716 .dpcm_playback = 1,
717 .init = NULL,
718 .trigger = {
719 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
720 .nonatomic = 1,
721 .dynamic = 1,
722 SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
723 },
724 [KBL_DPCM_AUDIO_HDMI3_PB] = {
725 .name = "Kbl HDMI Port3",
726 .stream_name = "Hdmi3",
727 .trigger = {
728 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
729 .dpcm_playback = 1,
730 .init = NULL,
731 .nonatomic = 1,
732 .dynamic = 1,
733 SND_SOC_DAILINK_REG(hdmi3, dummy, platform),
734 },
735 [KBL_DPCM_AUDIO_HS_PB] = {
736 .name = "Kbl Audio Headset Playback",
737 .stream_name = "Headset Audio",
738 .dpcm_playback = 1,
739 .nonatomic = 1,
740 .dynamic = 1,
741 .init = kabylake_da7219_fe_init,
742 .trigger = {
743 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
744 .ops = &kabylake_da7219_fe_ops,
745 SND_SOC_DAILINK_REG(system2, dummy, platform),
746 },
747 [KBL_DPCM_AUDIO_CP] = {
748 .name = "Kbl Audio Capture Port",
749 .stream_name = "Audio Record",
750 .dynamic = 1,
751 .nonatomic = 1,
752 .trigger = {
753 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
754 .dpcm_capture = 1,
755 .ops = &kabylake_da7219_fe_ops,
756 SND_SOC_DAILINK_REG(system, dummy, platform),
757 },
758
759 /* Back End DAI links */
760 {
761 /* SSP0 - Codec */
762 .name = "SSP0-Codec",
763 .id = 0,
764 .no_pcm = 1,
765 .dai_fmt = SND_SOC_DAIFMT_DSP_B |
766 SND_SOC_DAIFMT_NB_NF |
767 SND_SOC_DAIFMT_CBS_CFS,
768 .dpcm_playback = 1,
769 .dpcm_capture = 1,
770 .ignore_pmdown_time = 1,
771 .be_hw_params_fixup = kabylake_ssp_fixup,
772 .ops = &kabylake_ssp0_ops,
773 SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
774 },
775 {
776 /* SSP1 - Codec */
777 .name = "SSP1-Codec",
778 .id = 1,
779 .no_pcm = 1,
780 .init = kabylake_da7219_codec_init,
781 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
782 SND_SOC_DAIFMT_CBS_CFS,
783 .ignore_pmdown_time = 1,
784 .be_hw_params_fixup = kabylake_ssp_fixup,
785 .dpcm_playback = 1,
786 .dpcm_capture = 1,
787 SND_SOC_DAILINK_REG(ssp1_pin, ssp1_codec, platform),
788 },
789 {
790 .name = "dmic01",
791 .id = 2,
792 .init = kabylake_dmic_init,
793 .be_hw_params_fixup = kabylake_dmic_fixup,
794 .ignore_suspend = 1,
795 .dpcm_capture = 1,
796 .no_pcm = 1,
797 SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
798 },
799 {
800 .name = "iDisp1",
801 .id = 3,
802 .dpcm_playback = 1,
803 .init = kabylake_hdmi1_init,
804 .no_pcm = 1,
805 SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
806 },
807 {
808 .name = "iDisp2",
809 .id = 4,
810 .init = kabylake_hdmi2_init,
811 .dpcm_playback = 1,
812 .no_pcm = 1,
813 SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
814 },
815 {
816 .name = "iDisp3",
817 .id = 5,
818 .init = kabylake_hdmi3_init,
819 .dpcm_playback = 1,
820 .no_pcm = 1,
821 SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
822 },
823 };
824
825 /* kabylake digital audio interface glue - connects codec <--> CPU */
826 static struct snd_soc_dai_link kabylake_max98_927_373_dais[] = {
827 /* Front End DAI links */
828 [KBL_DPCM_AUDIO_PB] = {
829 .name = "Kbl Audio Port",
830 .stream_name = "Audio",
831 .dynamic = 1,
832 .nonatomic = 1,
833 .init = kabylake_da7219_fe_init,
834 .trigger = {
835 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
836 .dpcm_playback = 1,
837 .ops = &kabylake_da7219_fe_ops,
838 SND_SOC_DAILINK_REG(system, dummy, platform),
839 },
840 [KBL_DPCM_AUDIO_ECHO_REF_CP] = {
841 .name = "Kbl Audio Echo Reference cap",
842 .stream_name = "Echoreference Capture",
843 .init = NULL,
844 .dpcm_capture = 1,
845 .nonatomic = 1,
846 SND_SOC_DAILINK_REG(echoref, dummy, platform),
847 },
848 [KBL_DPCM_AUDIO_REF_CP] = {
849 .name = "Kbl Audio Reference cap",
850 .stream_name = "Wake on Voice",
851 .init = NULL,
852 .dpcm_capture = 1,
853 .nonatomic = 1,
854 .dynamic = 1,
855 .ops = &skylake_refcap_ops,
856 SND_SOC_DAILINK_REG(reference, dummy, platform),
857 },
858 [KBL_DPCM_AUDIO_DMIC_CP] = {
859 .name = "Kbl Audio DMIC cap",
860 .stream_name = "dmiccap",
861 .init = NULL,
862 .dpcm_capture = 1,
863 .nonatomic = 1,
864 .dynamic = 1,
865 .ops = &kabylake_dmic_ops,
866 SND_SOC_DAILINK_REG(dmic, dummy, platform),
867 },
868 [KBL_DPCM_AUDIO_HDMI1_PB] = {
869 .name = "Kbl HDMI Port1",
870 .stream_name = "Hdmi1",
871 .dpcm_playback = 1,
872 .init = NULL,
873 .trigger = {
874 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
875 .nonatomic = 1,
876 .dynamic = 1,
877 SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
878 },
879 [KBL_DPCM_AUDIO_HDMI2_PB] = {
880 .name = "Kbl HDMI Port2",
881 .stream_name = "Hdmi2",
882 .dpcm_playback = 1,
883 .init = NULL,
884 .trigger = {
885 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
886 .nonatomic = 1,
887 .dynamic = 1,
888 SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
889 },
890 [KBL_DPCM_AUDIO_HDMI3_PB] = {
891 .name = "Kbl HDMI Port3",
892 .stream_name = "Hdmi3",
893 .trigger = {
894 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
895 .dpcm_playback = 1,
896 .init = NULL,
897 .nonatomic = 1,
898 .dynamic = 1,
899 SND_SOC_DAILINK_REG(hdmi3, dummy, platform),
900 },
901
902 /* Back End DAI links */
903 {
904 /* SSP0 - Codec */
905 .name = "SSP0-Codec",
906 .id = 0,
907 .no_pcm = 1,
908 .dai_fmt = SND_SOC_DAIFMT_DSP_B |
909 SND_SOC_DAIFMT_NB_NF |
910 SND_SOC_DAIFMT_CBS_CFS,
911 .dpcm_playback = 1,
912 .dpcm_capture = 1,
913 .ignore_pmdown_time = 1,
914 .be_hw_params_fixup = kabylake_ssp_fixup,
915 .ops = &kabylake_ssp0_ops,
916 SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec),
917 },
918 {
919 .name = "dmic01",
920 .id = 1,
921 .init = kabylake_dmic_init,
922 .be_hw_params_fixup = kabylake_dmic_fixup,
923 .ignore_suspend = 1,
924 .dpcm_capture = 1,
925 .no_pcm = 1,
926 SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
927 },
928 {
929 .name = "iDisp1",
930 .id = 2,
931 .dpcm_playback = 1,
932 .init = kabylake_hdmi1_init,
933 .no_pcm = 1,
934 SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
935 },
936 {
937 .name = "iDisp2",
938 .id = 3,
939 .init = kabylake_hdmi2_init,
940 .dpcm_playback = 1,
941 .no_pcm = 1,
942 SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
943 },
944 {
945 .name = "iDisp3",
946 .id = 4,
947 .init = kabylake_hdmi3_init,
948 .dpcm_playback = 1,
949 .no_pcm = 1,
950 SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
951 },
952 };
953
kabylake_card_late_probe(struct snd_soc_card * card)954 static int kabylake_card_late_probe(struct snd_soc_card *card)
955 {
956 struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(card);
957 struct kbl_hdmi_pcm *pcm;
958 struct snd_soc_dapm_context *dapm = &card->dapm;
959 struct snd_soc_component *component = NULL;
960 int err, i = 0;
961 char jack_name[NAME_SIZE];
962
963 list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
964 component = pcm->codec_dai->component;
965 snprintf(jack_name, sizeof(jack_name),
966 "HDMI/DP, pcm=%d Jack", pcm->device);
967 err = snd_soc_card_jack_new(card, jack_name,
968 SND_JACK_AVOUT, &kabylake_hdmi[i],
969 NULL, 0);
970
971 if (err)
972 return err;
973
974 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
975 &kabylake_hdmi[i]);
976 if (err < 0)
977 return err;
978
979 i++;
980 }
981
982 if (!component)
983 return -EINVAL;
984
985
986 err = hdac_hdmi_jack_port_init(component, &card->dapm);
987
988 if (err < 0)
989 return err;
990
991 err = snd_soc_dapm_disable_pin(dapm, "Left Spk");
992 if (err) {
993 dev_err(card->dev, "failed to disable Left Spk: %d\n", err);
994 return err;
995 }
996
997 err = snd_soc_dapm_disable_pin(dapm, "Right Spk");
998 if (err) {
999 dev_err(card->dev, "failed to disable Right Spk: %d\n", err);
1000 return err;
1001 }
1002
1003 return snd_soc_dapm_sync(dapm);
1004 }
1005
1006 /* kabylake audio machine driver for SPT + DA7219 */
1007 static struct snd_soc_card kbl_audio_card_da7219_m98927 = {
1008 .name = "kblda7219m98927",
1009 .owner = THIS_MODULE,
1010 .dai_link = kabylake_dais,
1011 .num_links = ARRAY_SIZE(kabylake_dais),
1012 .controls = kabylake_controls,
1013 .num_controls = ARRAY_SIZE(kabylake_controls),
1014 .dapm_widgets = kabylake_widgets,
1015 .num_dapm_widgets = ARRAY_SIZE(kabylake_widgets),
1016 .dapm_routes = kabylake_map,
1017 .num_dapm_routes = ARRAY_SIZE(kabylake_map),
1018 .codec_conf = max98927_codec_conf,
1019 .num_configs = ARRAY_SIZE(max98927_codec_conf),
1020 .fully_routed = true,
1021 .late_probe = kabylake_card_late_probe,
1022 };
1023
1024 /* kabylake audio machine driver for Maxim98927 */
1025 static struct snd_soc_card kbl_audio_card_max98927 = {
1026 .name = "kblmax98927",
1027 .owner = THIS_MODULE,
1028 .dai_link = kabylake_max98_927_373_dais,
1029 .num_links = ARRAY_SIZE(kabylake_max98_927_373_dais),
1030 .controls = kabylake_controls,
1031 .num_controls = ARRAY_SIZE(kabylake_controls),
1032 .dapm_widgets = kabylake_widgets,
1033 .num_dapm_widgets = ARRAY_SIZE(kabylake_widgets),
1034 .dapm_routes = kabylake_map,
1035 .num_dapm_routes = ARRAY_SIZE(kabylake_map),
1036 .codec_conf = max98927_codec_conf,
1037 .num_configs = ARRAY_SIZE(max98927_codec_conf),
1038 .fully_routed = true,
1039 .late_probe = kabylake_card_late_probe,
1040 };
1041
1042 static struct snd_soc_card kbl_audio_card_da7219_m98373 = {
1043 .name = "kblda7219m98373",
1044 .owner = THIS_MODULE,
1045 .dai_link = kabylake_dais,
1046 .num_links = ARRAY_SIZE(kabylake_dais),
1047 .controls = kabylake_controls,
1048 .num_controls = ARRAY_SIZE(kabylake_controls),
1049 .dapm_widgets = kabylake_widgets,
1050 .num_dapm_widgets = ARRAY_SIZE(kabylake_widgets),
1051 .dapm_routes = kabylake_map,
1052 .num_dapm_routes = ARRAY_SIZE(kabylake_map),
1053 .codec_conf = max98373_codec_conf,
1054 .num_configs = ARRAY_SIZE(max98373_codec_conf),
1055 .fully_routed = true,
1056 .late_probe = kabylake_card_late_probe,
1057 };
1058
1059 static struct snd_soc_card kbl_audio_card_max98373 = {
1060 .name = "kblmax98373",
1061 .owner = THIS_MODULE,
1062 .dai_link = kabylake_max98_927_373_dais,
1063 .num_links = ARRAY_SIZE(kabylake_max98_927_373_dais),
1064 .controls = kabylake_controls,
1065 .num_controls = ARRAY_SIZE(kabylake_controls),
1066 .dapm_widgets = kabylake_widgets,
1067 .num_dapm_widgets = ARRAY_SIZE(kabylake_widgets),
1068 .dapm_routes = kabylake_map,
1069 .num_dapm_routes = ARRAY_SIZE(kabylake_map),
1070 .codec_conf = max98373_codec_conf,
1071 .num_configs = ARRAY_SIZE(max98373_codec_conf),
1072 .fully_routed = true,
1073 .late_probe = kabylake_card_late_probe,
1074 };
1075
kabylake_audio_probe(struct platform_device * pdev)1076 static int kabylake_audio_probe(struct platform_device *pdev)
1077 {
1078 struct kbl_codec_private *ctx;
1079 struct snd_soc_dai_link *kbl_dai_link;
1080 struct snd_soc_dai_link_component **codecs;
1081 int i;
1082
1083 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
1084 if (!ctx)
1085 return -ENOMEM;
1086
1087 INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
1088
1089 kabylake_audio_card =
1090 (struct snd_soc_card *)pdev->id_entry->driver_data;
1091
1092 kbl_dai_link = kabylake_audio_card->dai_link;
1093
1094 /* Update codecs for SSP0 with max98373 codec info */
1095 if (!strcmp(pdev->name, "kbl_da7219_max98373") ||
1096 (!strcmp(pdev->name, "kbl_max98373"))) {
1097 for (i = 0; i < kabylake_audio_card->num_links; ++i) {
1098 if (strcmp(kbl_dai_link[i].name, "SSP0-Codec"))
1099 continue;
1100
1101 codecs = &(kbl_dai_link[i].codecs);
1102 *codecs = max98373_ssp0_codec_components;
1103 kbl_dai_link[i].num_codecs =
1104 ARRAY_SIZE(max98373_ssp0_codec_components);
1105 break;
1106 }
1107 }
1108 kabylake_audio_card->dev = &pdev->dev;
1109 snd_soc_card_set_drvdata(kabylake_audio_card, ctx);
1110
1111 return devm_snd_soc_register_card(&pdev->dev, kabylake_audio_card);
1112 }
1113
1114 static const struct platform_device_id kbl_board_ids[] = {
1115 {
1116 .name = "kbl_da7219_max98927",
1117 .driver_data =
1118 (kernel_ulong_t)&kbl_audio_card_da7219_m98927,
1119 },
1120 {
1121 .name = "kbl_max98927",
1122 .driver_data =
1123 (kernel_ulong_t)&kbl_audio_card_max98927,
1124 },
1125 {
1126 .name = "kbl_da7219_max98373",
1127 .driver_data =
1128 (kernel_ulong_t)&kbl_audio_card_da7219_m98373,
1129 },
1130 {
1131 .name = "kbl_max98373",
1132 .driver_data =
1133 (kernel_ulong_t)&kbl_audio_card_max98373,
1134 },
1135 { }
1136 };
1137 MODULE_DEVICE_TABLE(platform, kbl_board_ids);
1138
1139 static struct platform_driver kabylake_audio = {
1140 .probe = kabylake_audio_probe,
1141 .driver = {
1142 .name = "kbl_da7219_max98_927_373",
1143 .pm = &snd_soc_pm_ops,
1144 },
1145 .id_table = kbl_board_ids,
1146 };
1147
1148 module_platform_driver(kabylake_audio)
1149
1150 /* Module information */
1151 MODULE_DESCRIPTION("Audio KabyLake Machine driver for MAX98927/MAX98373 & DA7219");
1152 MODULE_AUTHOR("Mac Chiang <mac.chiang@intel.com>");
1153 MODULE_LICENSE("GPL v2");
1154