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Btrfs: fix list transaction->pending_ordered corruption
[linux/fpc-iii.git] / sound / soc / codecs / rt286.c
blob4aa555cbcca81ce60b880d6159b1fb91777e9920
1 /*
2 * rt286.c -- RT286 ALSA SoC audio codec driver
3 *
4 * Copyright 2013 Realtek Semiconductor Corp.
5 * Author: Bard Liao <bardliao@realtek.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12 #include <linux/module.h>
13 #include <linux/moduleparam.h>
14 #include <linux/init.h>
15 #include <linux/delay.h>
16 #include <linux/pm.h>
17 #include <linux/i2c.h>
18 #include <linux/platform_device.h>
19 #include <linux/spi/spi.h>
20 #include <linux/acpi.h>
21 #include <sound/core.h>
22 #include <sound/pcm.h>
23 #include <sound/pcm_params.h>
24 #include <sound/soc.h>
25 #include <sound/soc-dapm.h>
26 #include <sound/initval.h>
27 #include <sound/tlv.h>
28 #include <sound/jack.h>
29 #include <linux/workqueue.h>
30 #include <sound/rt286.h>
31 #include <sound/hda_verbs.h>
32
33 #include "rt286.h"
34
35 #define RT286_VENDOR_ID 0x10ec0286
36
37 struct rt286_priv {
38 struct regmap *regmap;
39 struct rt286_platform_data pdata;
40 struct i2c_client *i2c;
41 struct snd_soc_jack *jack;
42 struct delayed_work jack_detect_work;
43 int sys_clk;
44 struct reg_default *index_cache;
45 };
46
47 static struct reg_default rt286_index_def[] = {
48 { 0x01, 0xaaaa },
49 { 0x02, 0x8aaa },
50 { 0x03, 0x0002 },
51 { 0x04, 0xaf01 },
52 { 0x08, 0x000d },
53 { 0x09, 0xd810 },
54 { 0x0a, 0x0120 },
55 { 0x0b, 0x0000 },
56 { 0x0d, 0x2800 },
57 { 0x0f, 0x0000 },
58 { 0x19, 0x0a17 },
59 { 0x20, 0x0020 },
60 { 0x33, 0x0208 },
61 { 0x49, 0x0004 },
62 { 0x4f, 0x50e9 },
63 { 0x50, 0x2000 },
64 { 0x63, 0x2902 },
65 { 0x67, 0x1111 },
66 { 0x68, 0x1016 },
67 { 0x69, 0x273f },
68 };
69 #define INDEX_CACHE_SIZE ARRAY_SIZE(rt286_index_def)
70
71 static const struct reg_default rt286_reg[] = {
72 { 0x00170500, 0x00000400 },
73 { 0x00220000, 0x00000031 },
74 { 0x00239000, 0x0000007f },
75 { 0x0023a000, 0x0000007f },
76 { 0x00270500, 0x00000400 },
77 { 0x00370500, 0x00000400 },
78 { 0x00870500, 0x00000400 },
79 { 0x00920000, 0x00000031 },
80 { 0x00935000, 0x000000c3 },
81 { 0x00936000, 0x000000c3 },
82 { 0x00970500, 0x00000400 },
83 { 0x00b37000, 0x00000097 },
84 { 0x00b37200, 0x00000097 },
85 { 0x00b37300, 0x00000097 },
86 { 0x00c37000, 0x00000000 },
87 { 0x00c37100, 0x00000080 },
88 { 0x01270500, 0x00000400 },
89 { 0x01370500, 0x00000400 },
90 { 0x01371f00, 0x411111f0 },
91 { 0x01439000, 0x00000080 },
92 { 0x0143a000, 0x00000080 },
93 { 0x01470700, 0x00000000 },
94 { 0x01470500, 0x00000400 },
95 { 0x01470c00, 0x00000000 },
96 { 0x01470100, 0x00000000 },
97 { 0x01837000, 0x00000000 },
98 { 0x01870500, 0x00000400 },
99 { 0x02050000, 0x00000000 },
100 { 0x02139000, 0x00000080 },
101 { 0x0213a000, 0x00000080 },
102 { 0x02170100, 0x00000000 },
103 { 0x02170500, 0x00000400 },
104 { 0x02170700, 0x00000000 },
105 { 0x02270100, 0x00000000 },
106 { 0x02370100, 0x00000000 },
107 { 0x01870700, 0x00000020 },
108 { 0x00830000, 0x000000c3 },
109 { 0x00930000, 0x000000c3 },
110 { 0x01270700, 0x00000000 },
111 };
112
113 static bool rt286_volatile_register(struct device *dev, unsigned int reg)
114 {
115 switch (reg) {
116 case 0 ... 0xff:
117 case RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
118 case RT286_GET_HP_SENSE:
119 case RT286_GET_MIC1_SENSE:
120 case RT286_PROC_COEF:
121 return true;
122 default:
123 return false;
124 }
125
126
127 }
128
129 static bool rt286_readable_register(struct device *dev, unsigned int reg)
130 {
131 switch (reg) {
132 case 0 ... 0xff:
133 case RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
134 case RT286_GET_HP_SENSE:
135 case RT286_GET_MIC1_SENSE:
136 case RT286_SET_AUDIO_POWER:
137 case RT286_SET_HPO_POWER:
138 case RT286_SET_SPK_POWER:
139 case RT286_SET_DMIC1_POWER:
140 case RT286_SPK_MUX:
141 case RT286_HPO_MUX:
142 case RT286_ADC0_MUX:
143 case RT286_ADC1_MUX:
144 case RT286_SET_MIC1:
145 case RT286_SET_PIN_HPO:
146 case RT286_SET_PIN_SPK:
147 case RT286_SET_PIN_DMIC1:
148 case RT286_SPK_EAPD:
149 case RT286_SET_AMP_GAIN_HPO:
150 case RT286_SET_DMIC2_DEFAULT:
151 case RT286_DACL_GAIN:
152 case RT286_DACR_GAIN:
153 case RT286_ADCL_GAIN:
154 case RT286_ADCR_GAIN:
155 case RT286_MIC_GAIN:
156 case RT286_SPOL_GAIN:
157 case RT286_SPOR_GAIN:
158 case RT286_HPOL_GAIN:
159 case RT286_HPOR_GAIN:
160 case RT286_F_DAC_SWITCH:
161 case RT286_F_RECMIX_SWITCH:
162 case RT286_REC_MIC_SWITCH:
163 case RT286_REC_I2S_SWITCH:
164 case RT286_REC_LINE_SWITCH:
165 case RT286_REC_BEEP_SWITCH:
166 case RT286_DAC_FORMAT:
167 case RT286_ADC_FORMAT:
168 case RT286_COEF_INDEX:
169 case RT286_PROC_COEF:
170 case RT286_SET_AMP_GAIN_ADC_IN1:
171 case RT286_SET_AMP_GAIN_ADC_IN2:
172 case RT286_SET_POWER(RT286_DAC_OUT1):
173 case RT286_SET_POWER(RT286_DAC_OUT2):
174 case RT286_SET_POWER(RT286_ADC_IN1):
175 case RT286_SET_POWER(RT286_ADC_IN2):
176 case RT286_SET_POWER(RT286_DMIC2):
177 case RT286_SET_POWER(RT286_MIC1):
178 return true;
179 default:
180 return false;
181 }
182 }
183
184 static int rt286_hw_write(void *context, unsigned int reg, unsigned int value)
185 {
186 struct i2c_client *client = context;
187 struct rt286_priv *rt286 = i2c_get_clientdata(client);
188 u8 data[4];
189 int ret, i;
190
191 /*handle index registers*/
192 if (reg <= 0xff) {
193 rt286_hw_write(client, RT286_COEF_INDEX, reg);
194 for (i = 0; i < INDEX_CACHE_SIZE; i++) {
195 if (reg == rt286->index_cache[i].reg) {
196 rt286->index_cache[i].def = value;
197 break;
198 }
199
200 }
201 reg = RT286_PROC_COEF;
202 }
203
204 data[0] = (reg >> 24) & 0xff;
205 data[1] = (reg >> 16) & 0xff;
206 /*
207 * 4 bit VID: reg should be 0
208 * 12 bit VID: value should be 0
209 * So we use an OR operator to handle it rather than use if condition.
210 */
211 data[2] = ((reg >> 8) & 0xff) | ((value >> 8) & 0xff);
212 data[3] = value & 0xff;
213
214 ret = i2c_master_send(client, data, 4);
215
216 if (ret == 4)
217 return 0;
218 else
219 pr_err("ret=%d\n", ret);
220 if (ret < 0)
221 return ret;
222 else
223 return -EIO;
224 }
225
226 static int rt286_hw_read(void *context, unsigned int reg, unsigned int *value)
227 {
228 struct i2c_client *client = context;
229 struct i2c_msg xfer[2];
230 int ret;
231 __be32 be_reg;
232 unsigned int index, vid, buf = 0x0;
233
234 /*handle index registers*/
235 if (reg <= 0xff) {
236 rt286_hw_write(client, RT286_COEF_INDEX, reg);
237 reg = RT286_PROC_COEF;
238 }
239
240 reg = reg | 0x80000;
241 vid = (reg >> 8) & 0xfff;
242
243 if (AC_VERB_GET_AMP_GAIN_MUTE == (vid & 0xf00)) {
244 index = (reg >> 8) & 0xf;
245 reg = (reg & ~0xf0f) | index;
246 }
247 be_reg = cpu_to_be32(reg);
248
249 /* Write register */
250 xfer[0].addr = client->addr;
251 xfer[0].flags = 0;
252 xfer[0].len = 4;
253 xfer[0].buf = (u8 *)&be_reg;
254
255 /* Read data */
256 xfer[1].addr = client->addr;
257 xfer[1].flags = I2C_M_RD;
258 xfer[1].len = 4;
259 xfer[1].buf = (u8 *)&buf;
260
261 ret = i2c_transfer(client->adapter, xfer, 2);
262 if (ret < 0)
263 return ret;
264 else if (ret != 2)
265 return -EIO;
266
267 *value = be32_to_cpu(buf);
268
269 return 0;
270 }
271
272 #ifdef CONFIG_PM
273 static void rt286_index_sync(struct snd_soc_codec *codec)
274 {
275 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
276 int i;
277
278 for (i = 0; i < INDEX_CACHE_SIZE; i++) {
279 snd_soc_write(codec, rt286->index_cache[i].reg,
280 rt286->index_cache[i].def);
281 }
282 }
283 #endif
284
285 static int rt286_support_power_controls[] = {
286 RT286_DAC_OUT1,
287 RT286_DAC_OUT2,
288 RT286_ADC_IN1,
289 RT286_ADC_IN2,
290 RT286_MIC1,
291 RT286_DMIC1,
292 RT286_DMIC2,
293 RT286_SPK_OUT,
294 RT286_HP_OUT,
295 };
296 #define RT286_POWER_REG_LEN ARRAY_SIZE(rt286_support_power_controls)
297
298 static int rt286_jack_detect(struct rt286_priv *rt286, bool *hp, bool *mic)
299 {
300 unsigned int val, buf;
301 int i;
302
303 *hp = false;
304 *mic = false;
305
306 if (rt286->pdata.cbj_en) {
307 regmap_read(rt286->regmap, RT286_GET_HP_SENSE, &buf);
308 *hp = buf & 0x80000000;
309 if (*hp) {
310 /* power on HV,VERF */
311 regmap_update_bits(rt286->regmap,
312 RT286_POWER_CTRL1, 0x1001, 0x0);
313 /* power LDO1 */
314 regmap_update_bits(rt286->regmap,
315 RT286_POWER_CTRL2, 0x4, 0x4);
316 regmap_write(rt286->regmap, RT286_SET_MIC1, 0x24);
317 regmap_read(rt286->regmap, RT286_CBJ_CTRL2, &val);
318
319 msleep(200);
320 i = 40;
321 while (((val & 0x0800) == 0) && (i > 0)) {
322 regmap_read(rt286->regmap,
323 RT286_CBJ_CTRL2, &val);
324 i--;
325 msleep(20);
326 }
327
328 if (0x0400 == (val & 0x0700)) {
329 *mic = false;
330
331 regmap_write(rt286->regmap,
332 RT286_SET_MIC1, 0x20);
333 /* power off HV,VERF */
334 regmap_update_bits(rt286->regmap,
335 RT286_POWER_CTRL1, 0x1001, 0x1001);
336 regmap_update_bits(rt286->regmap,
337 RT286_A_BIAS_CTRL3, 0xc000, 0x0000);
338 regmap_update_bits(rt286->regmap,
339 RT286_CBJ_CTRL1, 0x0030, 0x0000);
340 regmap_update_bits(rt286->regmap,
341 RT286_A_BIAS_CTRL2, 0xc000, 0x0000);
342 } else if ((0x0200 == (val & 0x0700)) ||
343 (0x0100 == (val & 0x0700))) {
344 *mic = true;
345 regmap_update_bits(rt286->regmap,
346 RT286_A_BIAS_CTRL3, 0xc000, 0x8000);
347 regmap_update_bits(rt286->regmap,
348 RT286_CBJ_CTRL1, 0x0030, 0x0020);
349 regmap_update_bits(rt286->regmap,
350 RT286_A_BIAS_CTRL2, 0xc000, 0x8000);
351 } else {
352 *mic = false;
353 }
354
355 regmap_update_bits(rt286->regmap,
356 RT286_MISC_CTRL1,
357 0x0060, 0x0000);
358 } else {
359 regmap_update_bits(rt286->regmap,
360 RT286_MISC_CTRL1,
361 0x0060, 0x0020);
362 regmap_update_bits(rt286->regmap,
363 RT286_A_BIAS_CTRL3,
364 0xc000, 0x8000);
365 regmap_update_bits(rt286->regmap,
366 RT286_CBJ_CTRL1,
367 0x0030, 0x0020);
368 regmap_update_bits(rt286->regmap,
369 RT286_A_BIAS_CTRL2,
370 0xc000, 0x8000);
371
372 *mic = false;
373 }
374 } else {
375 regmap_read(rt286->regmap, RT286_GET_HP_SENSE, &buf);
376 *hp = buf & 0x80000000;
377 regmap_read(rt286->regmap, RT286_GET_MIC1_SENSE, &buf);
378 *mic = buf & 0x80000000;
379 }
380
381 return 0;
382 }
383
384 static void rt286_jack_detect_work(struct work_struct *work)
385 {
386 struct rt286_priv *rt286 =
387 container_of(work, struct rt286_priv, jack_detect_work.work);
388 int status = 0;
389 bool hp = false;
390 bool mic = false;
391
392 rt286_jack_detect(rt286, &hp, &mic);
393
394 if (hp == true)
395 status |= SND_JACK_HEADPHONE;
396
397 if (mic == true)
398 status |= SND_JACK_MICROPHONE;
399
400 snd_soc_jack_report(rt286->jack, status,
401 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
402 }
403
404 int rt286_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack)
405 {
406 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
407
408 rt286->jack = jack;
409
410 /* Send an initial empty report */
411 snd_soc_jack_report(rt286->jack, 0,
412 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
413
414 return 0;
415 }
416 EXPORT_SYMBOL_GPL(rt286_mic_detect);
417
418 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
419 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
420
421 static const struct snd_kcontrol_new rt286_snd_controls[] = {
422 SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT286_DACL_GAIN,
423 RT286_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
424 SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT286_ADCL_GAIN,
425 RT286_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
426 SOC_SINGLE_TLV("AMIC Volume", RT286_MIC_GAIN,
427 0, 0x3, 0, mic_vol_tlv),
428 SOC_DOUBLE_R("Speaker Playback Switch", RT286_SPOL_GAIN,
429 RT286_SPOR_GAIN, RT286_MUTE_SFT, 1, 1),
430 };
431
432 /* Digital Mixer */
433 static const struct snd_kcontrol_new rt286_front_mix[] = {
434 SOC_DAPM_SINGLE("DAC Switch", RT286_F_DAC_SWITCH,
435 RT286_MUTE_SFT, 1, 1),
436 SOC_DAPM_SINGLE("RECMIX Switch", RT286_F_RECMIX_SWITCH,
437 RT286_MUTE_SFT, 1, 1),
438 };
439
440 /* Analog Input Mixer */
441 static const struct snd_kcontrol_new rt286_rec_mix[] = {
442 SOC_DAPM_SINGLE("Mic1 Switch", RT286_REC_MIC_SWITCH,
443 RT286_MUTE_SFT, 1, 1),
444 SOC_DAPM_SINGLE("I2S Switch", RT286_REC_I2S_SWITCH,
445 RT286_MUTE_SFT, 1, 1),
446 SOC_DAPM_SINGLE("Line1 Switch", RT286_REC_LINE_SWITCH,
447 RT286_MUTE_SFT, 1, 1),
448 SOC_DAPM_SINGLE("Beep Switch", RT286_REC_BEEP_SWITCH,
449 RT286_MUTE_SFT, 1, 1),
450 };
451
452 static const struct snd_kcontrol_new spo_enable_control =
453 SOC_DAPM_SINGLE("Switch", RT286_SET_PIN_SPK,
454 RT286_SET_PIN_SFT, 1, 0);
455
456 static const struct snd_kcontrol_new hpol_enable_control =
457 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT286_HPOL_GAIN,
458 RT286_MUTE_SFT, 1, 1);
459
460 static const struct snd_kcontrol_new hpor_enable_control =
461 SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT286_HPOR_GAIN,
462 RT286_MUTE_SFT, 1, 1);
463
464 /* ADC0 source */
465 static const char * const rt286_adc_src[] = {
466 "Mic", "RECMIX", "Dmic"
467 };
468
469 static const int rt286_adc_values[] = {
470 0, 4, 5,
471 };
472
473 static SOC_VALUE_ENUM_SINGLE_DECL(
474 rt286_adc0_enum, RT286_ADC0_MUX, RT286_ADC_SEL_SFT,
475 RT286_ADC_SEL_MASK, rt286_adc_src, rt286_adc_values);
476
477 static const struct snd_kcontrol_new rt286_adc0_mux =
478 SOC_DAPM_ENUM("ADC 0 source", rt286_adc0_enum);
479
480 static SOC_VALUE_ENUM_SINGLE_DECL(
481 rt286_adc1_enum, RT286_ADC1_MUX, RT286_ADC_SEL_SFT,
482 RT286_ADC_SEL_MASK, rt286_adc_src, rt286_adc_values);
483
484 static const struct snd_kcontrol_new rt286_adc1_mux =
485 SOC_DAPM_ENUM("ADC 1 source", rt286_adc1_enum);
486
487 static const char * const rt286_dac_src[] = {
488 "Front", "Surround"
489 };
490 /* HP-OUT source */
491 static SOC_ENUM_SINGLE_DECL(rt286_hpo_enum, RT286_HPO_MUX,
492 0, rt286_dac_src);
493
494 static const struct snd_kcontrol_new rt286_hpo_mux =
495 SOC_DAPM_ENUM("HPO source", rt286_hpo_enum);
496
497 /* SPK-OUT source */
498 static SOC_ENUM_SINGLE_DECL(rt286_spo_enum, RT286_SPK_MUX,
499 0, rt286_dac_src);
500
501 static const struct snd_kcontrol_new rt286_spo_mux =
502 SOC_DAPM_ENUM("SPO source", rt286_spo_enum);
503
504 static int rt286_spk_event(struct snd_soc_dapm_widget *w,
505 struct snd_kcontrol *kcontrol, int event)
506 {
507 struct snd_soc_codec *codec = w->codec;
508
509 switch (event) {
510 case SND_SOC_DAPM_POST_PMU:
511 snd_soc_write(codec,
512 RT286_SPK_EAPD, RT286_SET_EAPD_HIGH);
513 break;
514 case SND_SOC_DAPM_PRE_PMD:
515 snd_soc_write(codec,
516 RT286_SPK_EAPD, RT286_SET_EAPD_LOW);
517 break;
518
519 default:
520 return 0;
521 }
522
523 return 0;
524 }
525
526 static int rt286_set_dmic1_event(struct snd_soc_dapm_widget *w,
527 struct snd_kcontrol *kcontrol, int event)
528 {
529 struct snd_soc_codec *codec = w->codec;
530
531 switch (event) {
532 case SND_SOC_DAPM_POST_PMU:
533 snd_soc_write(codec, RT286_SET_PIN_DMIC1, 0x20);
534 break;
535 case SND_SOC_DAPM_PRE_PMD:
536 snd_soc_write(codec, RT286_SET_PIN_DMIC1, 0);
537 break;
538 default:
539 return 0;
540 }
541
542 return 0;
543 }
544
545 static int rt286_adc_event(struct snd_soc_dapm_widget *w,
546 struct snd_kcontrol *kcontrol, int event)
547 {
548 struct snd_soc_codec *codec = w->codec;
549 unsigned int nid;
550
551 nid = (w->reg >> 20) & 0xff;
552
553 switch (event) {
554 case SND_SOC_DAPM_POST_PMU:
555 snd_soc_update_bits(codec,
556 VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
557 0x7080, 0x7000);
558 break;
559 case SND_SOC_DAPM_PRE_PMD:
560 snd_soc_update_bits(codec,
561 VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
562 0x7080, 0x7080);
563 break;
564 default:
565 return 0;
566 }
567
568 return 0;
569 }
570
571 static const struct snd_soc_dapm_widget rt286_dapm_widgets[] = {
572 /* Input Lines */
573 SND_SOC_DAPM_INPUT("DMIC1 Pin"),
574 SND_SOC_DAPM_INPUT("DMIC2 Pin"),
575 SND_SOC_DAPM_INPUT("MIC1"),
576 SND_SOC_DAPM_INPUT("LINE1"),
577 SND_SOC_DAPM_INPUT("Beep"),
578
579 /* DMIC */
580 SND_SOC_DAPM_PGA_E("DMIC1", RT286_SET_POWER(RT286_DMIC1), 0, 1,
581 NULL, 0, rt286_set_dmic1_event,
582 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
583 SND_SOC_DAPM_PGA("DMIC2", RT286_SET_POWER(RT286_DMIC2), 0, 1,
584 NULL, 0),
585 SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
586 0, 0, NULL, 0),
587
588 /* REC Mixer */
589 SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
590 rt286_rec_mix, ARRAY_SIZE(rt286_rec_mix)),
591
592 /* ADCs */
593 SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
594 SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),
595
596 /* ADC Mux */
597 SND_SOC_DAPM_MUX_E("ADC 0 Mux", RT286_SET_POWER(RT286_ADC_IN1), 0, 1,
598 &rt286_adc0_mux, rt286_adc_event, SND_SOC_DAPM_PRE_PMD |
599 SND_SOC_DAPM_POST_PMU),
600 SND_SOC_DAPM_MUX_E("ADC 1 Mux", RT286_SET_POWER(RT286_ADC_IN2), 0, 1,
601 &rt286_adc1_mux, rt286_adc_event, SND_SOC_DAPM_PRE_PMD |
602 SND_SOC_DAPM_POST_PMU),
603
604 /* Audio Interface */
605 SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
606 SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
607 SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
608 SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
609
610 /* Output Side */
611 /* DACs */
612 SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
613 SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),
614
615 /* Output Mux */
616 SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt286_spo_mux),
617 SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt286_hpo_mux),
618
619 SND_SOC_DAPM_SUPPLY("HP Power", RT286_SET_PIN_HPO,
620 RT286_SET_PIN_SFT, 0, NULL, 0),
621
622 /* Output Mixer */
623 SND_SOC_DAPM_MIXER("Front", RT286_SET_POWER(RT286_DAC_OUT1), 0, 1,
624 rt286_front_mix, ARRAY_SIZE(rt286_front_mix)),
625 SND_SOC_DAPM_PGA("Surround", RT286_SET_POWER(RT286_DAC_OUT2), 0, 1,
626 NULL, 0),
627
628 /* Output Pga */
629 SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
630 &spo_enable_control, rt286_spk_event,
631 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
632 SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
633 &hpol_enable_control),
634 SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
635 &hpor_enable_control),
636
637 /* Output Lines */
638 SND_SOC_DAPM_OUTPUT("SPOL"),
639 SND_SOC_DAPM_OUTPUT("SPOR"),
640 SND_SOC_DAPM_OUTPUT("HPO Pin"),
641 SND_SOC_DAPM_OUTPUT("SPDIF"),
642 };
643
644 static const struct snd_soc_dapm_route rt286_dapm_routes[] = {
645 {"DMIC1", NULL, "DMIC1 Pin"},
646 {"DMIC2", NULL, "DMIC2 Pin"},
647 {"DMIC1", NULL, "DMIC Receiver"},
648 {"DMIC2", NULL, "DMIC Receiver"},
649
650 {"RECMIX", "Beep Switch", "Beep"},
651 {"RECMIX", "Line1 Switch", "LINE1"},
652 {"RECMIX", "Mic1 Switch", "MIC1"},
653
654 {"ADC 0 Mux", "Dmic", "DMIC1"},
655 {"ADC 0 Mux", "RECMIX", "RECMIX"},
656 {"ADC 0 Mux", "Mic", "MIC1"},
657 {"ADC 1 Mux", "Dmic", "DMIC2"},
658 {"ADC 1 Mux", "RECMIX", "RECMIX"},
659 {"ADC 1 Mux", "Mic", "MIC1"},
660
661 {"ADC 0", NULL, "ADC 0 Mux"},
662 {"ADC 1", NULL, "ADC 1 Mux"},
663
664 {"AIF1TX", NULL, "ADC 0"},
665 {"AIF2TX", NULL, "ADC 1"},
666
667 {"DAC 0", NULL, "AIF1RX"},
668 {"DAC 1", NULL, "AIF2RX"},
669
670 {"Front", "DAC Switch", "DAC 0"},
671 {"Front", "RECMIX Switch", "RECMIX"},
672
673 {"Surround", NULL, "DAC 1"},
674
675 {"SPK Mux", "Front", "Front"},
676 {"SPK Mux", "Surround", "Surround"},
677
678 {"HPO Mux", "Front", "Front"},
679 {"HPO Mux", "Surround", "Surround"},
680
681 {"SPO", "Switch", "SPK Mux"},
682 {"HPO L", "Switch", "HPO Mux"},
683 {"HPO R", "Switch", "HPO Mux"},
684 {"HPO L", NULL, "HP Power"},
685 {"HPO R", NULL, "HP Power"},
686
687 {"SPOL", NULL, "SPO"},
688 {"SPOR", NULL, "SPO"},
689 {"HPO Pin", NULL, "HPO L"},
690 {"HPO Pin", NULL, "HPO R"},
691 };
692
693 static int rt286_hw_params(struct snd_pcm_substream *substream,
694 struct snd_pcm_hw_params *params,
695 struct snd_soc_dai *dai)
696 {
697 struct snd_soc_codec *codec = dai->codec;
698 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
699 unsigned int val = 0;
700 int d_len_code;
701
702 switch (params_rate(params)) {
703 /* bit 14 0:48K 1:44.1K */
704 case 44100:
705 val |= 0x4000;
706 break;
707 case 48000:
708 break;
709 default:
710 dev_err(codec->dev, "Unsupported sample rate %d\n",
711 params_rate(params));
712 return -EINVAL;
713 }
714 switch (rt286->sys_clk) {
715 case 12288000:
716 case 24576000:
717 if (params_rate(params) != 48000) {
718 dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
719 params_rate(params), rt286->sys_clk);
720 return -EINVAL;
721 }
722 break;
723 case 11289600:
724 case 22579200:
725 if (params_rate(params) != 44100) {
726 dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
727 params_rate(params), rt286->sys_clk);
728 return -EINVAL;
729 }
730 break;
731 }
732
733 if (params_channels(params) <= 16) {
734 /* bit 3:0 Number of Channel */
735 val |= (params_channels(params) - 1);
736 } else {
737 dev_err(codec->dev, "Unsupported channels %d\n",
738 params_channels(params));
739 return -EINVAL;
740 }
741
742 d_len_code = 0;
743 switch (params_width(params)) {
744 /* bit 6:4 Bits per Sample */
745 case 16:
746 d_len_code = 0;
747 val |= (0x1 << 4);
748 break;
749 case 32:
750 d_len_code = 2;
751 val |= (0x4 << 4);
752 break;
753 case 20:
754 d_len_code = 1;
755 val |= (0x2 << 4);
756 break;
757 case 24:
758 d_len_code = 2;
759 val |= (0x3 << 4);
760 break;
761 case 8:
762 d_len_code = 3;
763 break;
764 default:
765 return -EINVAL;
766 }
767
768 snd_soc_update_bits(codec,
769 RT286_I2S_CTRL1, 0x0018, d_len_code << 3);
770 dev_dbg(codec->dev, "format val = 0x%x\n", val);
771
772 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
773 snd_soc_update_bits(codec, RT286_DAC_FORMAT, 0x407f, val);
774 else
775 snd_soc_update_bits(codec, RT286_ADC_FORMAT, 0x407f, val);
776
777 return 0;
778 }
779
780 static int rt286_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
781 {
782 struct snd_soc_codec *codec = dai->codec;
783
784 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
785 case SND_SOC_DAIFMT_CBM_CFM:
786 snd_soc_update_bits(codec,
787 RT286_I2S_CTRL1, 0x800, 0x800);
788 break;
789 case SND_SOC_DAIFMT_CBS_CFS:
790 snd_soc_update_bits(codec,
791 RT286_I2S_CTRL1, 0x800, 0x0);
792 break;
793 default:
794 return -EINVAL;
795 }
796
797 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
798 case SND_SOC_DAIFMT_I2S:
799 snd_soc_update_bits(codec,
800 RT286_I2S_CTRL1, 0x300, 0x0);
801 break;
802 case SND_SOC_DAIFMT_LEFT_J:
803 snd_soc_update_bits(codec,
804 RT286_I2S_CTRL1, 0x300, 0x1 << 8);
805 break;
806 case SND_SOC_DAIFMT_DSP_A:
807 snd_soc_update_bits(codec,
808 RT286_I2S_CTRL1, 0x300, 0x2 << 8);
809 break;
810 case SND_SOC_DAIFMT_DSP_B:
811 snd_soc_update_bits(codec,
812 RT286_I2S_CTRL1, 0x300, 0x3 << 8);
813 break;
814 default:
815 return -EINVAL;
816 }
817 /* bit 15 Stream Type 0:PCM 1:Non-PCM */
818 snd_soc_update_bits(codec, RT286_DAC_FORMAT, 0x8000, 0);
819 snd_soc_update_bits(codec, RT286_ADC_FORMAT, 0x8000, 0);
820
821 return 0;
822 }
823
824 static int rt286_set_dai_sysclk(struct snd_soc_dai *dai,
825 int clk_id, unsigned int freq, int dir)
826 {
827 struct snd_soc_codec *codec = dai->codec;
828 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
829
830 dev_dbg(codec->dev, "%s freq=%d\n", __func__, freq);
831
832 if (RT286_SCLK_S_MCLK == clk_id) {
833 snd_soc_update_bits(codec,
834 RT286_I2S_CTRL2, 0x0100, 0x0);
835 snd_soc_update_bits(codec,
836 RT286_PLL_CTRL1, 0x20, 0x20);
837 } else {
838 snd_soc_update_bits(codec,
839 RT286_I2S_CTRL2, 0x0100, 0x0100);
840 snd_soc_update_bits(codec,
841 RT286_PLL_CTRL, 0x4, 0x4);
842 snd_soc_update_bits(codec,
843 RT286_PLL_CTRL1, 0x20, 0x0);
844 }
845
846 switch (freq) {
847 case 19200000:
848 if (RT286_SCLK_S_MCLK == clk_id) {
849 dev_err(codec->dev, "Should not use MCLK\n");
850 return -EINVAL;
851 }
852 snd_soc_update_bits(codec,
853 RT286_I2S_CTRL2, 0x40, 0x40);
854 break;
855 case 24000000:
856 if (RT286_SCLK_S_MCLK == clk_id) {
857 dev_err(codec->dev, "Should not use MCLK\n");
858 return -EINVAL;
859 }
860 snd_soc_update_bits(codec,
861 RT286_I2S_CTRL2, 0x40, 0x0);
862 break;
863 case 12288000:
864 case 11289600:
865 snd_soc_update_bits(codec,
866 RT286_I2S_CTRL2, 0x8, 0x0);
867 snd_soc_update_bits(codec,
868 RT286_CLK_DIV, 0xfc1e, 0x0004);
869 break;
870 case 24576000:
871 case 22579200:
872 snd_soc_update_bits(codec,
873 RT286_I2S_CTRL2, 0x8, 0x8);
874 snd_soc_update_bits(codec,
875 RT286_CLK_DIV, 0xfc1e, 0x5406);
876 break;
877 default:
878 dev_err(codec->dev, "Unsupported system clock\n");
879 return -EINVAL;
880 }
881
882 rt286->sys_clk = freq;
883
884 return 0;
885 }
886
887 static int rt286_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
888 {
889 struct snd_soc_codec *codec = dai->codec;
890
891 dev_dbg(codec->dev, "%s ratio=%d\n", __func__, ratio);
892 if (50 == ratio)
893 snd_soc_update_bits(codec,
894 RT286_I2S_CTRL1, 0x1000, 0x1000);
895 else
896 snd_soc_update_bits(codec,
897 RT286_I2S_CTRL1, 0x1000, 0x0);
898
899
900 return 0;
901 }
902
903 static int rt286_set_bias_level(struct snd_soc_codec *codec,
904 enum snd_soc_bias_level level)
905 {
906 switch (level) {
907 case SND_SOC_BIAS_PREPARE:
908 if (SND_SOC_BIAS_STANDBY == codec->dapm.bias_level) {
909 snd_soc_write(codec,
910 RT286_SET_AUDIO_POWER, AC_PWRST_D0);
911 snd_soc_update_bits(codec,
912 RT286_DC_GAIN, 0x200, 0x200);
913 }
914 break;
915
916 case SND_SOC_BIAS_ON:
917 mdelay(10);
918 break;
919
920 case SND_SOC_BIAS_STANDBY:
921 snd_soc_write(codec,
922 RT286_SET_AUDIO_POWER, AC_PWRST_D3);
923 snd_soc_update_bits(codec,
924 RT286_DC_GAIN, 0x200, 0x0);
925 break;
926
927 default:
928 break;
929 }
930 codec->dapm.bias_level = level;
931
932 return 0;
933 }
934
935 static irqreturn_t rt286_irq(int irq, void *data)
936 {
937 struct rt286_priv *rt286 = data;
938 bool hp = false;
939 bool mic = false;
940 int status = 0;
941
942 rt286_jack_detect(rt286, &hp, &mic);
943
944 /* Clear IRQ */
945 regmap_update_bits(rt286->regmap, RT286_IRQ_CTRL, 0x1, 0x1);
946
947 if (hp == true)
948 status |= SND_JACK_HEADPHONE;
949
950 if (mic == true)
951 status |= SND_JACK_MICROPHONE;
952
953 snd_soc_jack_report(rt286->jack, status,
954 SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
955
956 pm_wakeup_event(&rt286->i2c->dev, 300);
957
958 return IRQ_HANDLED;
959 }
960
961 static int rt286_probe(struct snd_soc_codec *codec)
962 {
963 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
964
965 codec->dapm.bias_level = SND_SOC_BIAS_OFF;
966
967 if (rt286->i2c->irq) {
968 regmap_update_bits(rt286->regmap,
969 RT286_IRQ_CTRL, 0x2, 0x2);
970
971 INIT_DELAYED_WORK(&rt286->jack_detect_work,
972 rt286_jack_detect_work);
973 schedule_delayed_work(&rt286->jack_detect_work,
974 msecs_to_jiffies(1250));
975 }
976
977 return 0;
978 }
979
980 static int rt286_remove(struct snd_soc_codec *codec)
981 {
982 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
983
984 cancel_delayed_work_sync(&rt286->jack_detect_work);
985
986 return 0;
987 }
988
989 #ifdef CONFIG_PM
990 static int rt286_suspend(struct snd_soc_codec *codec)
991 {
992 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
993
994 regcache_cache_only(rt286->regmap, true);
995 regcache_mark_dirty(rt286->regmap);
996
997 return 0;
998 }
999
1000 static int rt286_resume(struct snd_soc_codec *codec)
1001 {
1002 struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
1003
1004 regcache_cache_only(rt286->regmap, false);
1005 rt286_index_sync(codec);
1006 regcache_sync(rt286->regmap);
1007
1008 return 0;
1009 }
1010 #else
1011 #define rt286_suspend NULL
1012 #define rt286_resume NULL
1013 #endif
1014
1015 #define RT286_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
1016 #define RT286_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1017 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1018
1019 static const struct snd_soc_dai_ops rt286_aif_dai_ops = {
1020 .hw_params = rt286_hw_params,
1021 .set_fmt = rt286_set_dai_fmt,
1022 .set_sysclk = rt286_set_dai_sysclk,
1023 .set_bclk_ratio = rt286_set_bclk_ratio,
1024 };
1025
1026 static struct snd_soc_dai_driver rt286_dai[] = {
1027 {
1028 .name = "rt286-aif1",
1029 .id = RT286_AIF1,
1030 .playback = {
1031 .stream_name = "AIF1 Playback",
1032 .channels_min = 1,
1033 .channels_max = 2,
1034 .rates = RT286_STEREO_RATES,
1035 .formats = RT286_FORMATS,
1036 },
1037 .capture = {
1038 .stream_name = "AIF1 Capture",
1039 .channels_min = 1,
1040 .channels_max = 2,
1041 .rates = RT286_STEREO_RATES,
1042 .formats = RT286_FORMATS,
1043 },
1044 .ops = &rt286_aif_dai_ops,
1045 .symmetric_rates = 1,
1046 },
1047 {
1048 .name = "rt286-aif2",
1049 .id = RT286_AIF2,
1050 .playback = {
1051 .stream_name = "AIF2 Playback",
1052 .channels_min = 1,
1053 .channels_max = 2,
1054 .rates = RT286_STEREO_RATES,
1055 .formats = RT286_FORMATS,
1056 },
1057 .capture = {
1058 .stream_name = "AIF2 Capture",
1059 .channels_min = 1,
1060 .channels_max = 2,
1061 .rates = RT286_STEREO_RATES,
1062 .formats = RT286_FORMATS,
1063 },
1064 .ops = &rt286_aif_dai_ops,
1065 .symmetric_rates = 1,
1066 },
1067
1068 };
1069
1070 static struct snd_soc_codec_driver soc_codec_dev_rt286 = {
1071 .probe = rt286_probe,
1072 .remove = rt286_remove,
1073 .suspend = rt286_suspend,
1074 .resume = rt286_resume,
1075 .set_bias_level = rt286_set_bias_level,
1076 .idle_bias_off = true,
1077 .controls = rt286_snd_controls,
1078 .num_controls = ARRAY_SIZE(rt286_snd_controls),
1079 .dapm_widgets = rt286_dapm_widgets,
1080 .num_dapm_widgets = ARRAY_SIZE(rt286_dapm_widgets),
1081 .dapm_routes = rt286_dapm_routes,
1082 .num_dapm_routes = ARRAY_SIZE(rt286_dapm_routes),
1083 };
1084
1085 static const struct regmap_config rt286_regmap = {
1086 .reg_bits = 32,
1087 .val_bits = 32,
1088 .max_register = 0x02370100,
1089 .volatile_reg = rt286_volatile_register,
1090 .readable_reg = rt286_readable_register,
1091 .reg_write = rt286_hw_write,
1092 .reg_read = rt286_hw_read,
1093 .cache_type = REGCACHE_RBTREE,
1094 .reg_defaults = rt286_reg,
1095 .num_reg_defaults = ARRAY_SIZE(rt286_reg),
1096 };
1097
1098 static const struct i2c_device_id rt286_i2c_id[] = {
1099 {"rt286", 0},
1100 {}
1101 };
1102 MODULE_DEVICE_TABLE(i2c, rt286_i2c_id);
1103
1104 static const struct acpi_device_id rt286_acpi_match[] = {
1105 { "INT343A", 0 },
1106 {},
1107 };
1108 MODULE_DEVICE_TABLE(acpi, rt286_acpi_match);
1109
1110 static int rt286_i2c_probe(struct i2c_client *i2c,
1111 const struct i2c_device_id *id)
1112 {
1113 struct rt286_platform_data *pdata = dev_get_platdata(&i2c->dev);
1114 struct rt286_priv *rt286;
1115 int i, ret;
1116
1117 rt286 = devm_kzalloc(&i2c->dev, sizeof(*rt286),
1118 GFP_KERNEL);
1119 if (NULL == rt286)
1120 return -ENOMEM;
1121
1122 rt286->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt286_regmap);
1123 if (IS_ERR(rt286->regmap)) {
1124 ret = PTR_ERR(rt286->regmap);
1125 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1126 ret);
1127 return ret;
1128 }
1129
1130 regmap_read(rt286->regmap,
1131 RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &ret);
1132 if (ret != RT286_VENDOR_ID) {
1133 dev_err(&i2c->dev,
1134 "Device with ID register %x is not rt286\n", ret);
1135 return -ENODEV;
1136 }
1137
1138 rt286->index_cache = rt286_index_def;
1139 rt286->i2c = i2c;
1140 i2c_set_clientdata(i2c, rt286);
1141
1142 if (pdata)
1143 rt286->pdata = *pdata;
1144
1145 regmap_write(rt286->regmap, RT286_SET_AUDIO_POWER, AC_PWRST_D3);
1146
1147 for (i = 0; i < RT286_POWER_REG_LEN; i++)
1148 regmap_write(rt286->regmap,
1149 RT286_SET_POWER(rt286_support_power_controls[i]),
1150 AC_PWRST_D1);
1151
1152 if (!rt286->pdata.cbj_en) {
1153 regmap_write(rt286->regmap, RT286_CBJ_CTRL2, 0x0000);
1154 regmap_write(rt286->regmap, RT286_MIC1_DET_CTRL, 0x0816);
1155 regmap_write(rt286->regmap, RT286_MISC_CTRL1, 0x0000);
1156 regmap_update_bits(rt286->regmap,
1157 RT286_CBJ_CTRL1, 0xf000, 0xb000);
1158 } else {
1159 regmap_update_bits(rt286->regmap,
1160 RT286_CBJ_CTRL1, 0xf000, 0x5000);
1161 }
1162
1163 mdelay(10);
1164
1165 if (!rt286->pdata.gpio2_en)
1166 regmap_write(rt286->regmap, RT286_SET_DMIC2_DEFAULT, 0x4000);
1167 else
1168 regmap_write(rt286->regmap, RT286_SET_DMIC2_DEFAULT, 0);
1169
1170 mdelay(10);
1171
1172 /*Power down LDO2*/
1173 regmap_update_bits(rt286->regmap, RT286_POWER_CTRL2, 0x8, 0x0);
1174
1175 /*Set depop parameter*/
1176 regmap_update_bits(rt286->regmap, RT286_DEPOP_CTRL2, 0x403a, 0x401a);
1177 regmap_update_bits(rt286->regmap, RT286_DEPOP_CTRL3, 0xf777, 0x4737);
1178 regmap_update_bits(rt286->regmap, RT286_DEPOP_CTRL4, 0x00ff, 0x003f);
1179
1180 if (rt286->i2c->irq) {
1181 ret = request_threaded_irq(rt286->i2c->irq, NULL, rt286_irq,
1182 IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt286", rt286);
1183 if (ret != 0) {
1184 dev_err(&i2c->dev,
1185 "Failed to reguest IRQ: %d\n", ret);
1186 return ret;
1187 }
1188 }
1189
1190 ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt286,
1191 rt286_dai, ARRAY_SIZE(rt286_dai));
1192
1193 return ret;
1194 }
1195
1196 static int rt286_i2c_remove(struct i2c_client *i2c)
1197 {
1198 struct rt286_priv *rt286 = i2c_get_clientdata(i2c);
1199
1200 if (i2c->irq)
1201 free_irq(i2c->irq, rt286);
1202 snd_soc_unregister_codec(&i2c->dev);
1203
1204 return 0;
1205 }
1206
1207
1208 static struct i2c_driver rt286_i2c_driver = {
1209 .driver = {
1210 .name = "rt286",
1211 .owner = THIS_MODULE,
1212 .acpi_match_table = ACPI_PTR(rt286_acpi_match),
1213 },
1214 .probe = rt286_i2c_probe,
1215 .remove = rt286_i2c_remove,
1216 .id_table = rt286_i2c_id,
1217 };
1218
1219 module_i2c_driver(rt286_i2c_driver);
1220
1221 MODULE_DESCRIPTION("ASoC RT286 driver");
1222 MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1223 MODULE_LICENSE("GPL");
Linux with added FPC-III support