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20#include <linux/init.h>
21#include <linux/i2c.h>
22#include <linux/module.h>
23#include <linux/platform_device.h>
24#include <linux/property.h>
25#include <linux/acpi.h>
26#include <linux/clk.h>
27#include <linux/device.h>
28#include <linux/dmi.h>
29#include <linux/slab.h>
30#include <asm/cpu_device_id.h>
31#include <asm/platform_sst_audio.h>
32#include <sound/pcm.h>
33#include <sound/pcm_params.h>
34#include <sound/soc.h>
35#include <sound/jack.h>
36#include <sound/soc-acpi.h>
37#include "../../codecs/rt5651.h"
38#include "../atom/sst-atom-controls.h"
39
40enum {
41 BYT_RT5651_DMIC_MAP,
42 BYT_RT5651_IN1_MAP,
43 BYT_RT5651_IN2_MAP,
44 BYT_RT5651_IN1_IN2_MAP,
45 BYT_RT5651_IN1_HS_IN3_MAP,
46 BYT_RT5651_IN2_HS_IN3_MAP,
47};
48
49enum {
50 BYT_RT5651_JD_NULL = (RT5651_JD_NULL << 4),
51 BYT_RT5651_JD1_1 = (RT5651_JD1_1 << 4),
52 BYT_RT5651_JD1_2 = (RT5651_JD1_2 << 4),
53 BYT_RT5651_JD2 = (RT5651_JD2 << 4),
54};
55
56enum {
57 BYT_RT5651_OVCD_TH_600UA = (6 << 8),
58 BYT_RT5651_OVCD_TH_1500UA = (15 << 8),
59 BYT_RT5651_OVCD_TH_2000UA = (20 << 8),
60};
61
62enum {
63 BYT_RT5651_OVCD_SF_0P5 = (RT5651_OVCD_SF_0P5 << 13),
64 BYT_RT5651_OVCD_SF_0P75 = (RT5651_OVCD_SF_0P75 << 13),
65 BYT_RT5651_OVCD_SF_1P0 = (RT5651_OVCD_SF_1P0 << 13),
66 BYT_RT5651_OVCD_SF_1P5 = (RT5651_OVCD_SF_1P5 << 13),
67};
68
69#define BYT_RT5651_MAP(quirk) ((quirk) & GENMASK(3, 0))
70#define BYT_RT5651_JDSRC(quirk) (((quirk) & GENMASK(7, 4)) >> 4)
71#define BYT_RT5651_OVCD_TH(quirk) (((quirk) & GENMASK(12, 8)) >> 8)
72#define BYT_RT5651_OVCD_SF(quirk) (((quirk) & GENMASK(14, 13)) >> 13)
73#define BYT_RT5651_DMIC_EN BIT(16)
74#define BYT_RT5651_MCLK_EN BIT(17)
75#define BYT_RT5651_MCLK_25MHZ BIT(18)
76#define BYT_RT5651_SSP2_AIF2 BIT(19)
77#define BYT_RT5651_SSP0_AIF1 BIT(20)
78#define BYT_RT5651_SSP0_AIF2 BIT(21)
79
80
81#define MAX_NO_PROPS 5
82
83struct byt_rt5651_private {
84 struct clk *mclk;
85 struct snd_soc_jack jack;
86};
87
88
89static unsigned long byt_rt5651_quirk = BYT_RT5651_MCLK_EN |
90 BYT_RT5651_JD1_1 |
91 BYT_RT5651_OVCD_TH_2000UA |
92 BYT_RT5651_OVCD_SF_0P75 |
93 BYT_RT5651_IN2_HS_IN3_MAP;
94
95static void log_quirks(struct device *dev)
96{
97 if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_DMIC_MAP)
98 dev_info(dev, "quirk DMIC_MAP enabled");
99 if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN1_MAP)
100 dev_info(dev, "quirk IN1_MAP enabled");
101 if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN2_MAP)
102 dev_info(dev, "quirk IN2_MAP enabled");
103 if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN1_HS_IN3_MAP)
104 dev_info(dev, "quirk IN1_HS_IN3_MAP enabled");
105 if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN2_HS_IN3_MAP)
106 dev_info(dev, "quirk IN2_HS_IN3_MAP enabled");
107 if (BYT_RT5651_JDSRC(byt_rt5651_quirk)) {
108 dev_info(dev, "quirk realtek,jack-detect-source %ld\n",
109 BYT_RT5651_JDSRC(byt_rt5651_quirk));
110 dev_info(dev, "quirk realtek,over-current-threshold-microamp %ld\n",
111 BYT_RT5651_OVCD_TH(byt_rt5651_quirk) * 100);
112 dev_info(dev, "quirk realtek,over-current-scale-factor %ld\n",
113 BYT_RT5651_OVCD_SF(byt_rt5651_quirk));
114 }
115 if (byt_rt5651_quirk & BYT_RT5651_DMIC_EN)
116 dev_info(dev, "quirk DMIC enabled");
117 if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN)
118 dev_info(dev, "quirk MCLK_EN enabled");
119 if (byt_rt5651_quirk & BYT_RT5651_MCLK_25MHZ)
120 dev_info(dev, "quirk MCLK_25MHZ enabled");
121 if (byt_rt5651_quirk & BYT_RT5651_SSP2_AIF2)
122 dev_info(dev, "quirk SSP2_AIF2 enabled\n");
123 if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1)
124 dev_info(dev, "quirk SSP0_AIF1 enabled\n");
125 if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)
126 dev_info(dev, "quirk SSP0_AIF2 enabled\n");
127}
128
129#define BYT_CODEC_DAI1 "rt5651-aif1"
130#define BYT_CODEC_DAI2 "rt5651-aif2"
131
132static int byt_rt5651_prepare_and_enable_pll1(struct snd_soc_dai *codec_dai,
133 int rate, int bclk_ratio)
134{
135 int clk_id, clk_freq, ret;
136
137
138 if (!(byt_rt5651_quirk & BYT_RT5651_MCLK_EN)) {
139 clk_id = RT5651_PLL1_S_BCLK1,
140 clk_freq = rate * bclk_ratio;
141 } else {
142 clk_id = RT5651_PLL1_S_MCLK;
143 if (byt_rt5651_quirk & BYT_RT5651_MCLK_25MHZ)
144 clk_freq = 25000000;
145 else
146 clk_freq = 19200000;
147 }
148 ret = snd_soc_dai_set_pll(codec_dai, 0, clk_id, clk_freq, rate * 512);
149 if (ret < 0) {
150 dev_err(codec_dai->component->dev, "can't set pll: %d\n", ret);
151 return ret;
152 }
153
154 ret = snd_soc_dai_set_sysclk(codec_dai, RT5651_SCLK_S_PLL1,
155 rate * 512, SND_SOC_CLOCK_IN);
156 if (ret < 0) {
157 dev_err(codec_dai->component->dev, "can't set clock %d\n", ret);
158 return ret;
159 }
160
161 return 0;
162}
163
164static int platform_clock_control(struct snd_soc_dapm_widget *w,
165 struct snd_kcontrol *k, int event)
166{
167 struct snd_soc_dapm_context *dapm = w->dapm;
168 struct snd_soc_card *card = dapm->card;
169 struct snd_soc_dai *codec_dai;
170 struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card);
171 int ret;
172
173 codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI1);
174 if (!codec_dai)
175 codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI2);
176 if (!codec_dai) {
177 dev_err(card->dev,
178 "Codec dai not found; Unable to set platform clock\n");
179 return -EIO;
180 }
181
182 if (SND_SOC_DAPM_EVENT_ON(event)) {
183 if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) {
184 ret = clk_prepare_enable(priv->mclk);
185 if (ret < 0) {
186 dev_err(card->dev,
187 "could not configure MCLK state");
188 return ret;
189 }
190 }
191 ret = byt_rt5651_prepare_and_enable_pll1(codec_dai, 48000, 50);
192 } else {
193
194
195
196
197
198 ret = snd_soc_dai_set_sysclk(codec_dai, RT5651_SCLK_S_RCCLK,
199 48000 * 512,
200 SND_SOC_CLOCK_IN);
201 if (!ret)
202 if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN)
203 clk_disable_unprepare(priv->mclk);
204 }
205
206 if (ret < 0) {
207 dev_err(card->dev, "can't set codec sysclk: %d\n", ret);
208 return ret;
209 }
210
211 return 0;
212}
213
214static const struct snd_soc_dapm_widget byt_rt5651_widgets[] = {
215 SND_SOC_DAPM_HP("Headphone", NULL),
216 SND_SOC_DAPM_MIC("Headset Mic", NULL),
217 SND_SOC_DAPM_MIC("Internal Mic", NULL),
218 SND_SOC_DAPM_SPK("Speaker", NULL),
219 SND_SOC_DAPM_LINE("Line In", NULL),
220 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
221 platform_clock_control, SND_SOC_DAPM_PRE_PMU |
222 SND_SOC_DAPM_POST_PMD),
223
224};
225
226static const struct snd_soc_dapm_route byt_rt5651_audio_map[] = {
227 {"Headphone", NULL, "Platform Clock"},
228 {"Headset Mic", NULL, "Platform Clock"},
229 {"Internal Mic", NULL, "Platform Clock"},
230 {"Speaker", NULL, "Platform Clock"},
231 {"Line In", NULL, "Platform Clock"},
232
233 {"Headset Mic", NULL, "micbias1"},
234 {"Headphone", NULL, "HPOL"},
235 {"Headphone", NULL, "HPOR"},
236 {"Speaker", NULL, "LOUTL"},
237 {"Speaker", NULL, "LOUTR"},
238 {"IN2P", NULL, "Line In"},
239 {"IN2N", NULL, "Line In"},
240
241};
242
243static const struct snd_soc_dapm_route byt_rt5651_intmic_dmic_map[] = {
244 {"IN2P", NULL, "Headset Mic"},
245 {"DMIC L1", NULL, "Internal Mic"},
246 {"DMIC R1", NULL, "Internal Mic"},
247};
248
249static const struct snd_soc_dapm_route byt_rt5651_intmic_in1_map[] = {
250 {"Internal Mic", NULL, "micbias1"},
251 {"IN1P", NULL, "Internal Mic"},
252 {"IN2P", NULL, "Headset Mic"},
253};
254
255static const struct snd_soc_dapm_route byt_rt5651_intmic_in2_map[] = {
256 {"Internal Mic", NULL, "micbias1"},
257 {"IN1P", NULL, "Headset Mic"},
258 {"IN2P", NULL, "Internal Mic"},
259};
260
261static const struct snd_soc_dapm_route byt_rt5651_intmic_in1_in2_map[] = {
262 {"Internal Mic", NULL, "micbias1"},
263 {"IN1P", NULL, "Internal Mic"},
264 {"IN2P", NULL, "Internal Mic"},
265 {"IN3P", NULL, "Headset Mic"},
266};
267
268static const struct snd_soc_dapm_route byt_rt5651_intmic_in1_hs_in3_map[] = {
269 {"Internal Mic", NULL, "micbias1"},
270 {"IN1P", NULL, "Internal Mic"},
271 {"IN3P", NULL, "Headset Mic"},
272};
273
274static const struct snd_soc_dapm_route byt_rt5651_intmic_in2_hs_in3_map[] = {
275 {"Internal Mic", NULL, "micbias1"},
276 {"IN2P", NULL, "Internal Mic"},
277 {"IN3P", NULL, "Headset Mic"},
278};
279
280static const struct snd_soc_dapm_route byt_rt5651_ssp0_aif1_map[] = {
281 {"ssp0 Tx", NULL, "modem_out"},
282 {"modem_in", NULL, "ssp0 Rx"},
283
284 {"AIF1 Playback", NULL, "ssp0 Tx"},
285 {"ssp0 Rx", NULL, "AIF1 Capture"},
286};
287
288static const struct snd_soc_dapm_route byt_rt5651_ssp0_aif2_map[] = {
289 {"ssp0 Tx", NULL, "modem_out"},
290 {"modem_in", NULL, "ssp0 Rx"},
291
292 {"AIF2 Playback", NULL, "ssp0 Tx"},
293 {"ssp0 Rx", NULL, "AIF2 Capture"},
294};
295
296static const struct snd_soc_dapm_route byt_rt5651_ssp2_aif1_map[] = {
297 {"ssp2 Tx", NULL, "codec_out0"},
298 {"ssp2 Tx", NULL, "codec_out1"},
299 {"codec_in0", NULL, "ssp2 Rx"},
300 {"codec_in1", NULL, "ssp2 Rx"},
301
302 {"AIF1 Playback", NULL, "ssp2 Tx"},
303 {"ssp2 Rx", NULL, "AIF1 Capture"},
304};
305
306static const struct snd_soc_dapm_route byt_rt5651_ssp2_aif2_map[] = {
307 {"ssp2 Tx", NULL, "codec_out0"},
308 {"ssp2 Tx", NULL, "codec_out1"},
309 {"codec_in0", NULL, "ssp2 Rx"},
310 {"codec_in1", NULL, "ssp2 Rx"},
311
312 {"AIF2 Playback", NULL, "ssp2 Tx"},
313 {"ssp2 Rx", NULL, "AIF2 Capture"},
314};
315
316static const struct snd_kcontrol_new byt_rt5651_controls[] = {
317 SOC_DAPM_PIN_SWITCH("Headphone"),
318 SOC_DAPM_PIN_SWITCH("Headset Mic"),
319 SOC_DAPM_PIN_SWITCH("Internal Mic"),
320 SOC_DAPM_PIN_SWITCH("Speaker"),
321 SOC_DAPM_PIN_SWITCH("Line In"),
322};
323
324static struct snd_soc_jack_pin bytcr_jack_pins[] = {
325 {
326 .pin = "Headphone",
327 .mask = SND_JACK_HEADPHONE,
328 },
329 {
330 .pin = "Headset Mic",
331 .mask = SND_JACK_MICROPHONE,
332 },
333};
334
335static int byt_rt5651_aif1_hw_params(struct snd_pcm_substream *substream,
336 struct snd_pcm_hw_params *params)
337{
338 struct snd_soc_pcm_runtime *rtd = substream->private_data;
339 struct snd_soc_dai *codec_dai = rtd->codec_dai;
340 snd_pcm_format_t format = params_format(params);
341 int rate = params_rate(params);
342 int bclk_ratio;
343
344 if (format == SNDRV_PCM_FORMAT_S16_LE)
345 bclk_ratio = 32;
346 else
347 bclk_ratio = 50;
348
349 return byt_rt5651_prepare_and_enable_pll1(codec_dai, rate, bclk_ratio);
350}
351
352static int byt_rt5651_quirk_cb(const struct dmi_system_id *id)
353{
354 byt_rt5651_quirk = (unsigned long)id->driver_data;
355 return 1;
356}
357
358static const struct dmi_system_id byt_rt5651_quirk_table[] = {
359 {
360 .callback = byt_rt5651_quirk_cb,
361 .matches = {
362 DMI_MATCH(DMI_SYS_VENDOR, "Circuitco"),
363 DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Max B3 PLATFORM"),
364 },
365 .driver_data = (void *)(BYT_RT5651_IN1_HS_IN3_MAP),
366 },
367 {
368 .callback = byt_rt5651_quirk_cb,
369 .matches = {
370 DMI_MATCH(DMI_SYS_VENDOR, "ADI"),
371 DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Turbot"),
372 },
373 .driver_data = (void *)(BYT_RT5651_MCLK_EN |
374 BYT_RT5651_IN1_HS_IN3_MAP),
375 },
376 {
377 .callback = byt_rt5651_quirk_cb,
378 .matches = {
379 DMI_MATCH(DMI_SYS_VENDOR, "KIANO"),
380 DMI_MATCH(DMI_PRODUCT_NAME, "KIANO SlimNote 14.2"),
381 },
382 .driver_data = (void *)(BYT_RT5651_MCLK_EN |
383 BYT_RT5651_JD1_1 |
384 BYT_RT5651_OVCD_TH_2000UA |
385 BYT_RT5651_OVCD_SF_0P75 |
386 BYT_RT5651_IN1_IN2_MAP),
387 },
388 {
389
390 .callback = byt_rt5651_quirk_cb,
391 .matches = {
392 DMI_MATCH(DMI_SYS_VENDOR, "Hampoo"),
393 DMI_MATCH(DMI_PRODUCT_NAME, "D2D3_Vi8A1"),
394 },
395 .driver_data = (void *)(BYT_RT5651_MCLK_EN |
396 BYT_RT5651_JD1_1 |
397 BYT_RT5651_OVCD_TH_2000UA |
398 BYT_RT5651_OVCD_SF_0P75 |
399 BYT_RT5651_IN2_HS_IN3_MAP),
400 },
401 {
402
403 .callback = byt_rt5651_quirk_cb,
404 .matches = {
405 DMI_MATCH(DMI_SYS_VENDOR, "VIOS"),
406 DMI_MATCH(DMI_PRODUCT_NAME, "LTH17"),
407 },
408 .driver_data = (void *)(BYT_RT5651_MCLK_EN |
409 BYT_RT5651_JD1_1 |
410 BYT_RT5651_OVCD_TH_2000UA |
411 BYT_RT5651_OVCD_SF_1P0 |
412 BYT_RT5651_IN1_IN2_MAP),
413 },
414 {}
415};
416
417
418
419
420
421static int byt_rt5651_add_codec_device_props(const char *i2c_dev_name)
422{
423 struct property_entry props[MAX_NO_PROPS] = {};
424 struct device *i2c_dev;
425 int ret, cnt = 0;
426
427 i2c_dev = bus_find_device_by_name(&i2c_bus_type, NULL, i2c_dev_name);
428 if (!i2c_dev)
429 return -EPROBE_DEFER;
430
431 props[cnt++] = PROPERTY_ENTRY_U32("realtek,jack-detect-source",
432 BYT_RT5651_JDSRC(byt_rt5651_quirk));
433
434 props[cnt++] = PROPERTY_ENTRY_U32("realtek,over-current-threshold-microamp",
435 BYT_RT5651_OVCD_TH(byt_rt5651_quirk) * 100);
436
437 props[cnt++] = PROPERTY_ENTRY_U32("realtek,over-current-scale-factor",
438 BYT_RT5651_OVCD_SF(byt_rt5651_quirk));
439
440 if (byt_rt5651_quirk & BYT_RT5651_DMIC_EN)
441 props[cnt++] = PROPERTY_ENTRY_BOOL("realtek,dmic-en");
442
443 ret = device_add_properties(i2c_dev, props);
444 put_device(i2c_dev);
445
446 return ret;
447}
448
449static int byt_rt5651_init(struct snd_soc_pcm_runtime *runtime)
450{
451 struct snd_soc_card *card = runtime->card;
452 struct snd_soc_component *codec = runtime->codec_dai->component;
453 struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card);
454 const struct snd_soc_dapm_route *custom_map;
455 int num_routes;
456 int ret;
457
458 card->dapm.idle_bias_off = true;
459
460
461 if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN)
462 snd_soc_component_update_bits(codec, RT5651_GLB_CLK,
463 RT5651_SCLK_SRC_MASK, RT5651_SCLK_SRC_RCCLK);
464
465 switch (BYT_RT5651_MAP(byt_rt5651_quirk)) {
466 case BYT_RT5651_IN1_MAP:
467 custom_map = byt_rt5651_intmic_in1_map;
468 num_routes = ARRAY_SIZE(byt_rt5651_intmic_in1_map);
469 break;
470 case BYT_RT5651_IN2_MAP:
471 custom_map = byt_rt5651_intmic_in2_map;
472 num_routes = ARRAY_SIZE(byt_rt5651_intmic_in2_map);
473 break;
474 case BYT_RT5651_IN1_IN2_MAP:
475 custom_map = byt_rt5651_intmic_in1_in2_map;
476 num_routes = ARRAY_SIZE(byt_rt5651_intmic_in1_in2_map);
477 break;
478 case BYT_RT5651_IN1_HS_IN3_MAP:
479 custom_map = byt_rt5651_intmic_in1_hs_in3_map;
480 num_routes = ARRAY_SIZE(byt_rt5651_intmic_in1_hs_in3_map);
481 break;
482 case BYT_RT5651_IN2_HS_IN3_MAP:
483 custom_map = byt_rt5651_intmic_in2_hs_in3_map;
484 num_routes = ARRAY_SIZE(byt_rt5651_intmic_in2_hs_in3_map);
485 break;
486 default:
487 custom_map = byt_rt5651_intmic_dmic_map;
488 num_routes = ARRAY_SIZE(byt_rt5651_intmic_dmic_map);
489 }
490 ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
491 if (ret)
492 return ret;
493
494 if (byt_rt5651_quirk & BYT_RT5651_SSP2_AIF2) {
495 ret = snd_soc_dapm_add_routes(&card->dapm,
496 byt_rt5651_ssp2_aif2_map,
497 ARRAY_SIZE(byt_rt5651_ssp2_aif2_map));
498 } else if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) {
499 ret = snd_soc_dapm_add_routes(&card->dapm,
500 byt_rt5651_ssp0_aif1_map,
501 ARRAY_SIZE(byt_rt5651_ssp0_aif1_map));
502 } else if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2) {
503 ret = snd_soc_dapm_add_routes(&card->dapm,
504 byt_rt5651_ssp0_aif2_map,
505 ARRAY_SIZE(byt_rt5651_ssp0_aif2_map));
506 } else {
507 ret = snd_soc_dapm_add_routes(&card->dapm,
508 byt_rt5651_ssp2_aif1_map,
509 ARRAY_SIZE(byt_rt5651_ssp2_aif1_map));
510 }
511 if (ret)
512 return ret;
513
514 ret = snd_soc_add_card_controls(card, byt_rt5651_controls,
515 ARRAY_SIZE(byt_rt5651_controls));
516 if (ret) {
517 dev_err(card->dev, "unable to add card controls\n");
518 return ret;
519 }
520 snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone");
521 snd_soc_dapm_ignore_suspend(&card->dapm, "Speaker");
522
523 if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) {
524
525
526
527
528
529
530
531
532
533
534 ret = clk_prepare_enable(priv->mclk);
535 if (!ret)
536 clk_disable_unprepare(priv->mclk);
537
538 if (byt_rt5651_quirk & BYT_RT5651_MCLK_25MHZ)
539 ret = clk_set_rate(priv->mclk, 25000000);
540 else
541 ret = clk_set_rate(priv->mclk, 19200000);
542
543 if (ret)
544 dev_err(card->dev, "unable to set MCLK rate\n");
545 }
546
547 if (BYT_RT5651_JDSRC(byt_rt5651_quirk)) {
548 ret = snd_soc_card_jack_new(runtime->card, "Headset",
549 SND_JACK_HEADSET, &priv->jack,
550 bytcr_jack_pins, ARRAY_SIZE(bytcr_jack_pins));
551 if (ret) {
552 dev_err(runtime->dev, "jack creation failed %d\n", ret);
553 return ret;
554 }
555
556 ret = snd_soc_component_set_jack(codec, &priv->jack, NULL);
557 if (ret)
558 return ret;
559 }
560
561 return 0;
562}
563
564static const struct snd_soc_pcm_stream byt_rt5651_dai_params = {
565 .formats = SNDRV_PCM_FMTBIT_S24_LE,
566 .rate_min = 48000,
567 .rate_max = 48000,
568 .channels_min = 2,
569 .channels_max = 2,
570};
571
572static int byt_rt5651_codec_fixup(struct snd_soc_pcm_runtime *rtd,
573 struct snd_pcm_hw_params *params)
574{
575 struct snd_interval *rate = hw_param_interval(params,
576 SNDRV_PCM_HW_PARAM_RATE);
577 struct snd_interval *channels = hw_param_interval(params,
578 SNDRV_PCM_HW_PARAM_CHANNELS);
579 int ret, bits;
580
581
582 rate->min = rate->max = 48000;
583 channels->min = channels->max = 2;
584
585 if ((byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) ||
586 (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)) {
587
588 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
589 bits = 16;
590 } else {
591
592 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
593 bits = 24;
594 }
595
596
597
598
599
600
601 ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
602 SND_SOC_DAIFMT_I2S |
603 SND_SOC_DAIFMT_NB_NF |
604 SND_SOC_DAIFMT_CBS_CFS
605 );
606
607 if (ret < 0) {
608 dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
609 return ret;
610 }
611
612 ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, bits);
613 if (ret < 0) {
614 dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
615 return ret;
616 }
617
618 return 0;
619}
620
621static const unsigned int rates_48000[] = {
622 48000,
623};
624
625static const struct snd_pcm_hw_constraint_list constraints_48000 = {
626 .count = ARRAY_SIZE(rates_48000),
627 .list = rates_48000,
628};
629
630static int byt_rt5651_aif1_startup(struct snd_pcm_substream *substream)
631{
632 return snd_pcm_hw_constraint_list(substream->runtime, 0,
633 SNDRV_PCM_HW_PARAM_RATE,
634 &constraints_48000);
635}
636
637static const struct snd_soc_ops byt_rt5651_aif1_ops = {
638 .startup = byt_rt5651_aif1_startup,
639};
640
641static const struct snd_soc_ops byt_rt5651_be_ssp2_ops = {
642 .hw_params = byt_rt5651_aif1_hw_params,
643};
644
645static struct snd_soc_dai_link byt_rt5651_dais[] = {
646 [MERR_DPCM_AUDIO] = {
647 .name = "Audio Port",
648 .stream_name = "Audio",
649 .cpu_dai_name = "media-cpu-dai",
650 .codec_dai_name = "snd-soc-dummy-dai",
651 .codec_name = "snd-soc-dummy",
652 .platform_name = "sst-mfld-platform",
653 .nonatomic = true,
654 .dynamic = 1,
655 .dpcm_playback = 1,
656 .dpcm_capture = 1,
657 .ops = &byt_rt5651_aif1_ops,
658 },
659 [MERR_DPCM_DEEP_BUFFER] = {
660 .name = "Deep-Buffer Audio Port",
661 .stream_name = "Deep-Buffer Audio",
662 .cpu_dai_name = "deepbuffer-cpu-dai",
663 .codec_dai_name = "snd-soc-dummy-dai",
664 .codec_name = "snd-soc-dummy",
665 .platform_name = "sst-mfld-platform",
666 .nonatomic = true,
667 .dynamic = 1,
668 .dpcm_playback = 1,
669 .ops = &byt_rt5651_aif1_ops,
670 },
671
672
673 {
674 .name = "SSP2-Codec",
675 .id = 0,
676 .cpu_dai_name = "ssp2-port",
677 .platform_name = "sst-mfld-platform",
678 .no_pcm = 1,
679 .codec_dai_name = "rt5651-aif1",
680 .codec_name = "i2c-10EC5651:00",
681 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
682 | SND_SOC_DAIFMT_CBS_CFS,
683 .be_hw_params_fixup = byt_rt5651_codec_fixup,
684 .ignore_suspend = 1,
685 .nonatomic = true,
686 .dpcm_playback = 1,
687 .dpcm_capture = 1,
688 .init = byt_rt5651_init,
689 .ops = &byt_rt5651_be_ssp2_ops,
690 },
691};
692
693
694static struct snd_soc_card byt_rt5651_card = {
695 .name = "bytcr-rt5651",
696 .owner = THIS_MODULE,
697 .dai_link = byt_rt5651_dais,
698 .num_links = ARRAY_SIZE(byt_rt5651_dais),
699 .dapm_widgets = byt_rt5651_widgets,
700 .num_dapm_widgets = ARRAY_SIZE(byt_rt5651_widgets),
701 .dapm_routes = byt_rt5651_audio_map,
702 .num_dapm_routes = ARRAY_SIZE(byt_rt5651_audio_map),
703 .fully_routed = true,
704};
705
706static char byt_rt5651_codec_name[SND_ACPI_I2C_ID_LEN];
707static char byt_rt5651_codec_aif_name[12];
708static char byt_rt5651_cpu_dai_name[10];
709
710static bool is_valleyview(void)
711{
712 static const struct x86_cpu_id cpu_ids[] = {
713 { X86_VENDOR_INTEL, 6, 55 },
714 {}
715 };
716
717 if (!x86_match_cpu(cpu_ids))
718 return false;
719 return true;
720}
721
722struct acpi_chan_package {
723 u64 aif_value;
724 u64 mclock_value;
725};
726
727static int snd_byt_rt5651_mc_probe(struct platform_device *pdev)
728{
729 struct byt_rt5651_private *priv;
730 struct snd_soc_acpi_mach *mach;
731 const char *i2c_name = NULL;
732 bool is_bytcr = false;
733 int ret_val = 0;
734 int dai_index = 0;
735 int i;
736
737 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_ATOMIC);
738 if (!priv)
739 return -ENOMEM;
740
741
742 byt_rt5651_card.dev = &pdev->dev;
743
744 mach = byt_rt5651_card.dev->platform_data;
745 snd_soc_card_set_drvdata(&byt_rt5651_card, priv);
746
747
748 for (i = 0; i < ARRAY_SIZE(byt_rt5651_dais); i++) {
749 if (!strcmp(byt_rt5651_dais[i].codec_name, "i2c-10EC5651:00")) {
750 dai_index = i;
751 break;
752 }
753 }
754
755
756 i2c_name = acpi_dev_get_first_match_name(mach->id, NULL, -1);
757 if (!i2c_name) {
758 dev_err(&pdev->dev, "Error cannot find '%s' dev\n", mach->id);
759 return -ENODEV;
760 }
761 snprintf(byt_rt5651_codec_name, sizeof(byt_rt5651_codec_name),
762 "%s%s", "i2c-", i2c_name);
763 byt_rt5651_dais[dai_index].codec_name = byt_rt5651_codec_name;
764
765
766
767
768
769 if (is_valleyview()) {
770 struct sst_platform_info *p_info = mach->pdata;
771 const struct sst_res_info *res_info = p_info->res_info;
772
773 if (res_info->acpi_ipc_irq_index == 0)
774 is_bytcr = true;
775 }
776
777 if (is_bytcr) {
778
779
780
781
782
783
784
785
786 struct acpi_chan_package chan_package;
787
788
789 struct acpi_buffer format = {sizeof("NN"), "NN"};
790 struct acpi_buffer state = {0, NULL};
791 struct snd_soc_acpi_package_context pkg_ctx;
792 bool pkg_found = false;
793
794 state.length = sizeof(chan_package);
795 state.pointer = &chan_package;
796
797 pkg_ctx.name = "CHAN";
798 pkg_ctx.length = 2;
799 pkg_ctx.format = &format;
800 pkg_ctx.state = &state;
801 pkg_ctx.data_valid = false;
802
803 pkg_found = snd_soc_acpi_find_package_from_hid(mach->id,
804 &pkg_ctx);
805 if (pkg_found) {
806 if (chan_package.aif_value == 1) {
807 dev_info(&pdev->dev, "BIOS Routing: AIF1 connected\n");
808 byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF1;
809 } else if (chan_package.aif_value == 2) {
810 dev_info(&pdev->dev, "BIOS Routing: AIF2 connected\n");
811 byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF2;
812 } else {
813 dev_info(&pdev->dev, "BIOS Routing isn't valid, ignored\n");
814 pkg_found = false;
815 }
816 }
817
818 if (!pkg_found) {
819
820 byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF2;
821 }
822 }
823
824
825 dmi_check_system(byt_rt5651_quirk_table);
826
827
828 ret_val = byt_rt5651_add_codec_device_props(byt_rt5651_codec_name);
829 if (ret_val)
830 return ret_val;
831
832 log_quirks(&pdev->dev);
833
834 if ((byt_rt5651_quirk & BYT_RT5651_SSP2_AIF2) ||
835 (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)) {
836
837 snprintf(byt_rt5651_codec_aif_name,
838 sizeof(byt_rt5651_codec_aif_name),
839 "%s", "rt5651-aif2");
840
841 byt_rt5651_dais[dai_index].codec_dai_name =
842 byt_rt5651_codec_aif_name;
843 }
844
845 if ((byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) ||
846 (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)) {
847
848 snprintf(byt_rt5651_cpu_dai_name,
849 sizeof(byt_rt5651_cpu_dai_name),
850 "%s", "ssp0-port");
851
852 byt_rt5651_dais[dai_index].cpu_dai_name =
853 byt_rt5651_cpu_dai_name;
854 }
855
856 if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) {
857 priv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
858 if (IS_ERR(priv->mclk)) {
859 dev_err(&pdev->dev,
860 "Failed to get MCLK from pmc_plt_clk_3: %ld\n",
861 PTR_ERR(priv->mclk));
862
863
864
865
866
867 if (ret_val != -ENOENT)
868 return ret_val;
869 byt_rt5651_quirk &= ~BYT_RT5651_MCLK_EN;
870 }
871 }
872
873 ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5651_card);
874
875 if (ret_val) {
876 dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n",
877 ret_val);
878 return ret_val;
879 }
880 platform_set_drvdata(pdev, &byt_rt5651_card);
881 return ret_val;
882}
883
884static struct platform_driver snd_byt_rt5651_mc_driver = {
885 .driver = {
886 .name = "bytcr_rt5651",
887 },
888 .probe = snd_byt_rt5651_mc_probe,
889};
890
891module_platform_driver(snd_byt_rt5651_mc_driver);
892
893MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver for RT5651");
894MODULE_AUTHOR("Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>");
895MODULE_LICENSE("GPL v2");
896MODULE_ALIAS("platform:bytcr_rt5651");
897
