2 * byt_cr_dpcm_rt5640.c - ASoc Machine driver for Intel Byt CR platform
4 * Copyright (C) 2014 Intel Corp
5 * Author: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
6 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; version 2 of the License.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
20 #include <linux/i2c.h>
21 #include <linux/init.h>
22 #include <linux/module.h>
23 #include <linux/moduleparam.h>
24 #include <linux/platform_device.h>
25 #include <linux/acpi.h>
26 #include <linux/clk.h>
27 #include <linux/device.h>
28 #include <linux/dmi.h>
29 #include <linux/input.h>
30 #include <linux/slab.h>
31 #include <asm/cpu_device_id.h>
32 #include <asm/platform_sst_audio.h>
33 #include <sound/pcm.h>
34 #include <sound/pcm_params.h>
35 #include <sound/soc.h>
36 #include <sound/jack.h>
37 #include <sound/soc-acpi.h>
38 #include <dt-bindings/sound/rt5640.h>
39 #include "../../codecs/rt5640.h"
40 #include "../atom/sst-atom-controls.h"
41 #include "../common/sst-dsp.h"
51 BYT_RT5640_JD_SRC_GPIO1 = (RT5640_JD_SRC_GPIO1 << 4),
52 BYT_RT5640_JD_SRC_JD1_IN4P = (RT5640_JD_SRC_JD1_IN4P << 4),
53 BYT_RT5640_JD_SRC_JD2_IN4N = (RT5640_JD_SRC_JD2_IN4N << 4),
54 BYT_RT5640_JD_SRC_GPIO2 = (RT5640_JD_SRC_GPIO2 << 4),
55 BYT_RT5640_JD_SRC_GPIO3 = (RT5640_JD_SRC_GPIO3 << 4),
56 BYT_RT5640_JD_SRC_GPIO4 = (RT5640_JD_SRC_GPIO4 << 4),
60 BYT_RT5640_OVCD_TH_600UA = (6 << 8),
61 BYT_RT5640_OVCD_TH_1500UA = (15 << 8),
62 BYT_RT5640_OVCD_TH_2000UA = (20 << 8),
66 BYT_RT5640_OVCD_SF_0P5 = (RT5640_OVCD_SF_0P5 << 13),
67 BYT_RT5640_OVCD_SF_0P75 = (RT5640_OVCD_SF_0P75 << 13),
68 BYT_RT5640_OVCD_SF_1P0 = (RT5640_OVCD_SF_1P0 << 13),
69 BYT_RT5640_OVCD_SF_1P5 = (RT5640_OVCD_SF_1P5 << 13),
72 #define BYT_RT5640_MAP(quirk) ((quirk) & GENMASK(3, 0))
73 #define BYT_RT5640_JDSRC(quirk) (((quirk) & GENMASK(7, 4)) >> 4)
74 #define BYT_RT5640_OVCD_TH(quirk) (((quirk) & GENMASK(12, 8)) >> 8)
75 #define BYT_RT5640_OVCD_SF(quirk) (((quirk) & GENMASK(14, 13)) >> 13)
76 #define BYT_RT5640_JD_NOT_INV BIT(16)
77 #define BYT_RT5640_MONO_SPEAKER BIT(17)
78 #define BYT_RT5640_DIFF_MIC BIT(18) /* default is single-ended */
79 #define BYT_RT5640_SSP2_AIF2 BIT(19) /* default is using AIF1 */
80 #define BYT_RT5640_SSP0_AIF1 BIT(20)
81 #define BYT_RT5640_SSP0_AIF2 BIT(21)
82 #define BYT_RT5640_MCLK_EN BIT(22)
83 #define BYT_RT5640_MCLK_25MHZ BIT(23)
85 #define BYTCR_INPUT_DEFAULTS \
86 (BYT_RT5640_IN3_MAP | \
87 BYT_RT5640_JD_SRC_JD1_IN4P | \
88 BYT_RT5640_OVCD_TH_2000UA | \
89 BYT_RT5640_OVCD_SF_0P75 | \
92 /* in-diff or dmic-pin + jdsrc + ovcd-th + -sf + jd-inv + terminating entry */
93 #define MAX_NO_PROPS 6
95 struct byt_rt5640_private {
96 struct snd_soc_jack jack;
101 static unsigned long byt_rt5640_quirk = BYT_RT5640_MCLK_EN;
102 static unsigned int quirk_override;
103 module_param_named(quirk, quirk_override, uint, 0444);
104 MODULE_PARM_DESC(quirk, "Board-specific quirk override");
106 static void log_quirks(struct device *dev)
109 bool has_mclk = false;
110 bool has_ssp0 = false;
111 bool has_ssp0_aif1 = false;
112 bool has_ssp0_aif2 = false;
113 bool has_ssp2_aif2 = false;
115 map = BYT_RT5640_MAP(byt_rt5640_quirk);
117 case BYT_RT5640_DMIC1_MAP:
118 dev_info(dev, "quirk DMIC1_MAP enabled\n");
120 case BYT_RT5640_DMIC2_MAP:
121 dev_info(dev, "quirk DMIC2_MAP enabled\n");
123 case BYT_RT5640_IN1_MAP:
124 dev_info(dev, "quirk IN1_MAP enabled\n");
126 case BYT_RT5640_IN3_MAP:
127 dev_info(dev, "quirk IN3_MAP enabled\n");
130 dev_err(dev, "quirk map 0x%x is not supported, microphone input will not work\n", map);
133 if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) {
134 dev_info(dev, "quirk realtek,jack-detect-source %ld\n",
135 BYT_RT5640_JDSRC(byt_rt5640_quirk));
136 dev_info(dev, "quirk realtek,over-current-threshold-microamp %ld\n",
137 BYT_RT5640_OVCD_TH(byt_rt5640_quirk) * 100);
138 dev_info(dev, "quirk realtek,over-current-scale-factor %ld\n",
139 BYT_RT5640_OVCD_SF(byt_rt5640_quirk));
141 if (byt_rt5640_quirk & BYT_RT5640_JD_NOT_INV)
142 dev_info(dev, "quirk JD_NOT_INV enabled\n");
143 if (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER)
144 dev_info(dev, "quirk MONO_SPEAKER enabled\n");
145 if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC)
146 dev_info(dev, "quirk DIFF_MIC enabled\n");
147 if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) {
148 dev_info(dev, "quirk SSP0_AIF1 enabled\n");
150 has_ssp0_aif1 = true;
152 if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2) {
153 dev_info(dev, "quirk SSP0_AIF2 enabled\n");
155 has_ssp0_aif2 = true;
157 if (byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) {
158 dev_info(dev, "quirk SSP2_AIF2 enabled\n");
159 has_ssp2_aif2 = true;
161 if (is_bytcr && !has_ssp0)
162 dev_err(dev, "Invalid routing, bytcr detected but no SSP0-based quirk, audio cannot work with SSP2 on bytcr\n");
163 if (has_ssp0_aif1 && has_ssp0_aif2)
164 dev_err(dev, "Invalid routing, SSP0 cannot be connected to both AIF1 and AIF2\n");
165 if (has_ssp0 && has_ssp2_aif2)
166 dev_err(dev, "Invalid routing, cannot have both SSP0 and SSP2 connected to codec\n");
168 if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
169 dev_info(dev, "quirk MCLK_EN enabled\n");
172 if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ) {
174 dev_info(dev, "quirk MCLK_25MHZ enabled\n");
176 dev_err(dev, "quirk MCLK_25MHZ enabled but quirk MCLK not selected, will be ignored\n");
180 static int byt_rt5640_prepare_and_enable_pll1(struct snd_soc_dai *codec_dai,
185 /* Configure the PLL before selecting it */
186 if (!(byt_rt5640_quirk & BYT_RT5640_MCLK_EN)) {
187 /* use bitclock as PLL input */
188 if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
189 (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
190 /* 2x16 bit slots on SSP0 */
191 ret = snd_soc_dai_set_pll(codec_dai, 0,
193 rate * 32, rate * 512);
195 /* 2x15 bit slots on SSP2 */
196 ret = snd_soc_dai_set_pll(codec_dai, 0,
198 rate * 50, rate * 512);
201 if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ) {
202 ret = snd_soc_dai_set_pll(codec_dai, 0,
204 25000000, rate * 512);
206 ret = snd_soc_dai_set_pll(codec_dai, 0,
208 19200000, rate * 512);
213 dev_err(codec_dai->component->dev, "can't set pll: %d\n", ret);
217 ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_PLL1,
218 rate * 512, SND_SOC_CLOCK_IN);
220 dev_err(codec_dai->component->dev, "can't set clock %d\n", ret);
227 #define BYT_CODEC_DAI1 "rt5640-aif1"
228 #define BYT_CODEC_DAI2 "rt5640-aif2"
230 static int platform_clock_control(struct snd_soc_dapm_widget *w,
231 struct snd_kcontrol *k, int event)
233 struct snd_soc_dapm_context *dapm = w->dapm;
234 struct snd_soc_card *card = dapm->card;
235 struct snd_soc_dai *codec_dai;
236 struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card);
239 codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI1);
241 codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI2);
245 "Codec dai not found; Unable to set platform clock\n");
249 if (SND_SOC_DAPM_EVENT_ON(event)) {
250 if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
251 ret = clk_prepare_enable(priv->mclk);
254 "could not configure MCLK state\n");
258 ret = byt_rt5640_prepare_and_enable_pll1(codec_dai, 48000);
261 * Set codec clock source to internal clock before
262 * turning off the platform clock. Codec needs clock
263 * for Jack detection and button press
265 ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_RCCLK,
269 if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN)
270 clk_disable_unprepare(priv->mclk);
275 dev_err(card->dev, "can't set codec sysclk: %d\n", ret);
282 static const struct snd_soc_dapm_widget byt_rt5640_widgets[] = {
283 SND_SOC_DAPM_HP("Headphone", NULL),
284 SND_SOC_DAPM_MIC("Headset Mic", NULL),
285 SND_SOC_DAPM_MIC("Internal Mic", NULL),
286 SND_SOC_DAPM_SPK("Speaker", NULL),
287 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
288 platform_clock_control, SND_SOC_DAPM_PRE_PMU |
289 SND_SOC_DAPM_POST_PMD),
293 static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = {
294 {"Headphone", NULL, "Platform Clock"},
295 {"Headset Mic", NULL, "Platform Clock"},
296 {"Internal Mic", NULL, "Platform Clock"},
297 {"Speaker", NULL, "Platform Clock"},
299 {"Headset Mic", NULL, "MICBIAS1"},
300 {"IN2P", NULL, "Headset Mic"},
301 {"Headphone", NULL, "HPOL"},
302 {"Headphone", NULL, "HPOR"},
305 static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic1_map[] = {
306 {"DMIC1", NULL, "Internal Mic"},
309 static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic2_map[] = {
310 {"DMIC2", NULL, "Internal Mic"},
313 static const struct snd_soc_dapm_route byt_rt5640_intmic_in1_map[] = {
314 {"Internal Mic", NULL, "MICBIAS1"},
315 {"IN1P", NULL, "Internal Mic"},
318 static const struct snd_soc_dapm_route byt_rt5640_intmic_in3_map[] = {
319 {"Internal Mic", NULL, "MICBIAS1"},
320 {"IN3P", NULL, "Internal Mic"},
323 static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif1_map[] = {
324 {"ssp2 Tx", NULL, "codec_out0"},
325 {"ssp2 Tx", NULL, "codec_out1"},
326 {"codec_in0", NULL, "ssp2 Rx"},
327 {"codec_in1", NULL, "ssp2 Rx"},
329 {"AIF1 Playback", NULL, "ssp2 Tx"},
330 {"ssp2 Rx", NULL, "AIF1 Capture"},
333 static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif2_map[] = {
334 {"ssp2 Tx", NULL, "codec_out0"},
335 {"ssp2 Tx", NULL, "codec_out1"},
336 {"codec_in0", NULL, "ssp2 Rx"},
337 {"codec_in1", NULL, "ssp2 Rx"},
339 {"AIF2 Playback", NULL, "ssp2 Tx"},
340 {"ssp2 Rx", NULL, "AIF2 Capture"},
343 static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif1_map[] = {
344 {"ssp0 Tx", NULL, "modem_out"},
345 {"modem_in", NULL, "ssp0 Rx"},
347 {"AIF1 Playback", NULL, "ssp0 Tx"},
348 {"ssp0 Rx", NULL, "AIF1 Capture"},
351 static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif2_map[] = {
352 {"ssp0 Tx", NULL, "modem_out"},
353 {"modem_in", NULL, "ssp0 Rx"},
355 {"AIF2 Playback", NULL, "ssp0 Tx"},
356 {"ssp0 Rx", NULL, "AIF2 Capture"},
359 static const struct snd_soc_dapm_route byt_rt5640_stereo_spk_map[] = {
360 {"Speaker", NULL, "SPOLP"},
361 {"Speaker", NULL, "SPOLN"},
362 {"Speaker", NULL, "SPORP"},
363 {"Speaker", NULL, "SPORN"},
366 static const struct snd_soc_dapm_route byt_rt5640_mono_spk_map[] = {
367 {"Speaker", NULL, "SPOLP"},
368 {"Speaker", NULL, "SPOLN"},
371 static const struct snd_kcontrol_new byt_rt5640_controls[] = {
372 SOC_DAPM_PIN_SWITCH("Headphone"),
373 SOC_DAPM_PIN_SWITCH("Headset Mic"),
374 SOC_DAPM_PIN_SWITCH("Internal Mic"),
375 SOC_DAPM_PIN_SWITCH("Speaker"),
378 static struct snd_soc_jack_pin rt5640_pins[] = {
381 .mask = SND_JACK_HEADPHONE,
384 .pin = "Headset Mic",
385 .mask = SND_JACK_MICROPHONE,
389 static int byt_rt5640_aif1_hw_params(struct snd_pcm_substream *substream,
390 struct snd_pcm_hw_params *params)
392 struct snd_soc_pcm_runtime *rtd = substream->private_data;
393 struct snd_soc_dai *dai = rtd->codec_dai;
395 return byt_rt5640_prepare_and_enable_pll1(dai, params_rate(params));
398 /* Please keep this list alphabetically sorted */
399 static const struct dmi_system_id byt_rt5640_quirk_table[] = {
400 { /* Acer Iconia Tab 8 W1-810 */
402 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
403 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Iconia W1-810"),
405 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
406 BYT_RT5640_JD_SRC_JD1_IN4P |
407 BYT_RT5640_OVCD_TH_1500UA |
408 BYT_RT5640_OVCD_SF_0P75 |
409 BYT_RT5640_SSP0_AIF1 |
414 DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
415 DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"),
417 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
419 BYT_RT5640_SSP0_AIF1),
424 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ARCHOS"),
425 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ARCHOS 80 Cesium"),
427 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
428 BYT_RT5640_MONO_SPEAKER |
429 BYT_RT5640_SSP0_AIF1 |
434 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
435 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TA"),
437 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
438 BYT_RT5640_JD_SRC_JD2_IN4N |
439 BYT_RT5640_OVCD_TH_2000UA |
440 BYT_RT5640_OVCD_SF_0P75 |
445 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
446 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TAF"),
448 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
449 BYT_RT5640_MONO_SPEAKER |
450 BYT_RT5640_DIFF_MIC |
451 BYT_RT5640_SSP0_AIF2 |
454 { /* Chuwi Vi8 (CWI506) */
456 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"),
457 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "i86"),
458 /* The above are too generic, also match BIOS info */
459 DMI_MATCH(DMI_BIOS_VERSION, "CHUWI.D86JLBNR"),
461 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
462 BYT_RT5640_MONO_SPEAKER |
463 BYT_RT5640_SSP0_AIF1 |
467 /* Chuwi Vi10 (CWI505) */
469 DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"),
470 DMI_MATCH(DMI_BOARD_NAME, "BYT-PF02"),
471 DMI_MATCH(DMI_SYS_VENDOR, "ilife"),
472 DMI_MATCH(DMI_PRODUCT_NAME, "S165"),
474 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
475 BYT_RT5640_JD_SRC_JD2_IN4N |
476 BYT_RT5640_OVCD_TH_2000UA |
477 BYT_RT5640_OVCD_SF_0P75 |
478 BYT_RT5640_DIFF_MIC |
479 BYT_RT5640_SSP0_AIF1 |
484 DMI_MATCH(DMI_SYS_VENDOR, "Circuitco"),
485 DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Max B3 PLATFORM"),
487 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP),
489 { /* Connect Tablet 9 */
491 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Connect"),
492 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Tablet 9"),
494 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
495 BYT_RT5640_MONO_SPEAKER |
496 BYT_RT5640_SSP0_AIF1 |
501 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
502 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Venue 8 Pro 5830"),
504 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
505 BYT_RT5640_JD_SRC_JD2_IN4N |
506 BYT_RT5640_OVCD_TH_2000UA |
507 BYT_RT5640_OVCD_SF_0P75 |
508 BYT_RT5640_MONO_SPEAKER |
513 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
514 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP ElitePad 1000 G2"),
516 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
519 { /* HP Pavilion x2 10-n000nd */
521 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
522 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP Pavilion x2 Detachable"),
524 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
525 BYT_RT5640_JD_SRC_JD2_IN4N |
526 BYT_RT5640_OVCD_TH_1500UA |
527 BYT_RT5640_OVCD_SF_0P75 |
528 BYT_RT5640_SSP0_AIF1 |
533 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
534 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP Stream 7 Tablet"),
536 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
537 BYT_RT5640_MONO_SPEAKER |
538 BYT_RT5640_JD_NOT_INV |
539 BYT_RT5640_SSP0_AIF1 |
542 { /* I.T.Works TW891 */
544 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."),
545 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TW891"),
546 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."),
547 DMI_EXACT_MATCH(DMI_BOARD_NAME, "TW891"),
549 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
550 BYT_RT5640_MONO_SPEAKER |
551 BYT_RT5640_SSP0_AIF1 |
554 { /* Lamina I8270 / T701BR.SE */
556 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Lamina"),
557 DMI_EXACT_MATCH(DMI_BOARD_NAME, "T701BR.SE"),
559 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
560 BYT_RT5640_MONO_SPEAKER |
561 BYT_RT5640_JD_NOT_INV |
562 BYT_RT5640_SSP0_AIF1 |
565 { /* Lenovo Miix 2 8 */
567 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
568 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "20326"),
569 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Hiking"),
571 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
572 BYT_RT5640_JD_SRC_JD2_IN4N |
573 BYT_RT5640_OVCD_TH_2000UA |
574 BYT_RT5640_OVCD_SF_0P75 |
575 BYT_RT5640_MONO_SPEAKER |
578 { /* MSI S100 tablet */
580 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Micro-Star International Co., Ltd."),
581 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "S100"),
583 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
584 BYT_RT5640_JD_SRC_JD2_IN4N |
585 BYT_RT5640_OVCD_TH_2000UA |
586 BYT_RT5640_OVCD_SF_0P75 |
587 BYT_RT5640_MONO_SPEAKER |
588 BYT_RT5640_DIFF_MIC |
591 { /* Nuvison/TMax TM800W560 */
593 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TMAX"),
594 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TM800W560L"),
596 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
597 BYT_RT5640_JD_SRC_JD2_IN4N |
598 BYT_RT5640_OVCD_TH_2000UA |
599 BYT_RT5640_OVCD_SF_0P75 |
600 BYT_RT5640_JD_NOT_INV |
601 BYT_RT5640_DIFF_MIC |
602 BYT_RT5640_SSP0_AIF1 |
607 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
608 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
609 /* The above are too generic, also match BIOS info */
610 DMI_MATCH(DMI_BIOS_VERSION, "V8L_WIN32_CHIPHD"),
612 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
613 BYT_RT5640_MONO_SPEAKER |
614 BYT_RT5640_SSP0_AIF1 |
617 { /* Point of View Mobii TAB-P800W (V2.0) */
619 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
620 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
621 /* The above are too generic, also match BIOS info */
622 DMI_EXACT_MATCH(DMI_BIOS_VERSION, "3BAIR1014"),
623 DMI_EXACT_MATCH(DMI_BIOS_DATE, "10/24/2014"),
625 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
626 BYT_RT5640_JD_SRC_JD2_IN4N |
627 BYT_RT5640_OVCD_TH_2000UA |
628 BYT_RT5640_OVCD_SF_0P75 |
629 BYT_RT5640_MONO_SPEAKER |
630 BYT_RT5640_DIFF_MIC |
631 BYT_RT5640_SSP0_AIF2 |
634 { /* Point of View Mobii TAB-P800W (V2.1) */
636 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
637 DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
638 /* The above are too generic, also match BIOS info */
639 DMI_EXACT_MATCH(DMI_BIOS_VERSION, "3BAIR1013"),
640 DMI_EXACT_MATCH(DMI_BIOS_DATE, "08/22/2014"),
642 .driver_data = (void *)(BYT_RT5640_IN1_MAP |
643 BYT_RT5640_JD_SRC_JD2_IN4N |
644 BYT_RT5640_OVCD_TH_2000UA |
645 BYT_RT5640_OVCD_SF_0P75 |
646 BYT_RT5640_MONO_SPEAKER |
647 BYT_RT5640_DIFF_MIC |
648 BYT_RT5640_SSP0_AIF2 |
653 DMI_MATCH(DMI_BOARD_VENDOR, "TECLAST"),
654 DMI_MATCH(DMI_BOARD_NAME, "tPAD"),
656 .driver_data = (void *)(BYT_RT5640_IN3_MAP |
658 BYT_RT5640_SSP0_AIF1),
660 { /* Toshiba Satellite Click Mini L9W-B */
662 DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
663 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SATELLITE Click Mini L9W-B"),
665 .driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
666 BYT_RT5640_JD_SRC_JD2_IN4N |
667 BYT_RT5640_OVCD_TH_1500UA |
668 BYT_RT5640_OVCD_SF_0P75 |
669 BYT_RT5640_SSP0_AIF1 |
672 { /* Catch-all for generic Insyde tablets, must be last */
674 DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
676 .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
678 BYT_RT5640_SSP0_AIF1),
685 * Note this MUST be called before snd_soc_register_card(), so that the props
686 * are in place before the codec component driver's probe function parses them.
688 static int byt_rt5640_add_codec_device_props(const char *i2c_dev_name)
690 struct property_entry props[MAX_NO_PROPS] = {};
691 struct device *i2c_dev;
694 i2c_dev = bus_find_device_by_name(&i2c_bus_type, NULL, i2c_dev_name);
696 return -EPROBE_DEFER;
698 switch (BYT_RT5640_MAP(byt_rt5640_quirk)) {
699 case BYT_RT5640_DMIC1_MAP:
700 props[cnt++] = PROPERTY_ENTRY_U32("realtek,dmic1-data-pin",
701 RT5640_DMIC1_DATA_PIN_IN1P);
703 case BYT_RT5640_DMIC2_MAP:
704 props[cnt++] = PROPERTY_ENTRY_U32("realtek,dmic2-data-pin",
705 RT5640_DMIC2_DATA_PIN_IN1N);
707 case BYT_RT5640_IN1_MAP:
708 if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC)
710 PROPERTY_ENTRY_BOOL("realtek,in1-differential");
712 case BYT_RT5640_IN3_MAP:
713 if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC)
715 PROPERTY_ENTRY_BOOL("realtek,in3-differential");
719 if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) {
720 props[cnt++] = PROPERTY_ENTRY_U32(
721 "realtek,jack-detect-source",
722 BYT_RT5640_JDSRC(byt_rt5640_quirk));
724 props[cnt++] = PROPERTY_ENTRY_U32(
725 "realtek,over-current-threshold-microamp",
726 BYT_RT5640_OVCD_TH(byt_rt5640_quirk) * 100);
728 props[cnt++] = PROPERTY_ENTRY_U32(
729 "realtek,over-current-scale-factor",
730 BYT_RT5640_OVCD_SF(byt_rt5640_quirk));
733 if (byt_rt5640_quirk & BYT_RT5640_JD_NOT_INV)
734 props[cnt++] = PROPERTY_ENTRY_BOOL("realtek,jack-detect-not-inverted");
736 ret = device_add_properties(i2c_dev, props);
742 static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime)
744 struct snd_soc_card *card = runtime->card;
745 struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card);
746 struct snd_soc_component *component = runtime->codec_dai->component;
747 const struct snd_soc_dapm_route *custom_map;
751 card->dapm.idle_bias_off = true;
753 /* Start with RC clk for jack-detect (we disable MCLK below) */
754 if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN)
755 snd_soc_component_update_bits(component, RT5640_GLB_CLK,
756 RT5640_SCLK_SRC_MASK, RT5640_SCLK_SRC_RCCLK);
758 rt5640_sel_asrc_clk_src(component,
759 RT5640_DA_STEREO_FILTER |
760 RT5640_DA_MONO_L_FILTER |
761 RT5640_DA_MONO_R_FILTER |
762 RT5640_AD_STEREO_FILTER |
763 RT5640_AD_MONO_L_FILTER |
764 RT5640_AD_MONO_R_FILTER,
765 RT5640_CLK_SEL_ASRC);
767 ret = snd_soc_add_card_controls(card, byt_rt5640_controls,
768 ARRAY_SIZE(byt_rt5640_controls));
770 dev_err(card->dev, "unable to add card controls\n");
774 switch (BYT_RT5640_MAP(byt_rt5640_quirk)) {
775 case BYT_RT5640_IN1_MAP:
776 custom_map = byt_rt5640_intmic_in1_map;
777 num_routes = ARRAY_SIZE(byt_rt5640_intmic_in1_map);
779 case BYT_RT5640_IN3_MAP:
780 custom_map = byt_rt5640_intmic_in3_map;
781 num_routes = ARRAY_SIZE(byt_rt5640_intmic_in3_map);
783 case BYT_RT5640_DMIC2_MAP:
784 custom_map = byt_rt5640_intmic_dmic2_map;
785 num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic2_map);
788 custom_map = byt_rt5640_intmic_dmic1_map;
789 num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic1_map);
792 ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
796 if (byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) {
797 ret = snd_soc_dapm_add_routes(&card->dapm,
798 byt_rt5640_ssp2_aif2_map,
799 ARRAY_SIZE(byt_rt5640_ssp2_aif2_map));
800 } else if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) {
801 ret = snd_soc_dapm_add_routes(&card->dapm,
802 byt_rt5640_ssp0_aif1_map,
803 ARRAY_SIZE(byt_rt5640_ssp0_aif1_map));
804 } else if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2) {
805 ret = snd_soc_dapm_add_routes(&card->dapm,
806 byt_rt5640_ssp0_aif2_map,
807 ARRAY_SIZE(byt_rt5640_ssp0_aif2_map));
809 ret = snd_soc_dapm_add_routes(&card->dapm,
810 byt_rt5640_ssp2_aif1_map,
811 ARRAY_SIZE(byt_rt5640_ssp2_aif1_map));
816 if (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) {
817 ret = snd_soc_dapm_add_routes(&card->dapm,
818 byt_rt5640_mono_spk_map,
819 ARRAY_SIZE(byt_rt5640_mono_spk_map));
821 ret = snd_soc_dapm_add_routes(&card->dapm,
822 byt_rt5640_stereo_spk_map,
823 ARRAY_SIZE(byt_rt5640_stereo_spk_map));
828 snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone");
829 snd_soc_dapm_ignore_suspend(&card->dapm, "Speaker");
831 if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
833 * The firmware might enable the clock at
834 * boot (this information may or may not
835 * be reflected in the enable clock register).
836 * To change the rate we must disable the clock
837 * first to cover these cases. Due to common
838 * clock framework restrictions that do not allow
839 * to disable a clock that has not been enabled,
840 * we need to enable the clock first.
842 ret = clk_prepare_enable(priv->mclk);
844 clk_disable_unprepare(priv->mclk);
846 if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ)
847 ret = clk_set_rate(priv->mclk, 25000000);
849 ret = clk_set_rate(priv->mclk, 19200000);
852 dev_err(card->dev, "unable to set MCLK rate\n");
857 if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) {
858 ret = snd_soc_card_jack_new(card, "Headset",
859 SND_JACK_HEADSET | SND_JACK_BTN_0,
860 &priv->jack, rt5640_pins,
861 ARRAY_SIZE(rt5640_pins));
863 dev_err(card->dev, "Jack creation failed %d\n", ret);
866 snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0,
868 snd_soc_component_set_jack(component, &priv->jack, NULL);
874 static const struct snd_soc_pcm_stream byt_rt5640_dai_params = {
875 .formats = SNDRV_PCM_FMTBIT_S24_LE,
882 static int byt_rt5640_codec_fixup(struct snd_soc_pcm_runtime *rtd,
883 struct snd_pcm_hw_params *params)
885 struct snd_interval *rate = hw_param_interval(params,
886 SNDRV_PCM_HW_PARAM_RATE);
887 struct snd_interval *channels = hw_param_interval(params,
888 SNDRV_PCM_HW_PARAM_CHANNELS);
891 /* The DSP will covert the FE rate to 48k, stereo */
892 rate->min = rate->max = 48000;
893 channels->min = channels->max = 2;
895 if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
896 (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
898 /* set SSP0 to 16-bit */
899 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
902 * Default mode for SSP configuration is TDM 4 slot, override config
903 * with explicit setting to I2S 2ch 16-bit. The word length is set with
904 * dai_set_tdm_slot() since there is no other API exposed
906 ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
908 SND_SOC_DAIFMT_NB_NF |
909 SND_SOC_DAIFMT_CBS_CFS
912 dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
916 ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 16);
918 dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
924 /* set SSP2 to 24-bit */
925 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
928 * Default mode for SSP configuration is TDM 4 slot, override config
929 * with explicit setting to I2S 2ch 24-bit. The word length is set with
930 * dai_set_tdm_slot() since there is no other API exposed
932 ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
934 SND_SOC_DAIFMT_NB_NF |
935 SND_SOC_DAIFMT_CBS_CFS
938 dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
942 ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 24);
944 dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
951 static int byt_rt5640_aif1_startup(struct snd_pcm_substream *substream)
953 return snd_pcm_hw_constraint_single(substream->runtime,
954 SNDRV_PCM_HW_PARAM_RATE, 48000);
957 static const struct snd_soc_ops byt_rt5640_aif1_ops = {
958 .startup = byt_rt5640_aif1_startup,
961 static const struct snd_soc_ops byt_rt5640_be_ssp2_ops = {
962 .hw_params = byt_rt5640_aif1_hw_params,
965 static struct snd_soc_dai_link byt_rt5640_dais[] = {
966 [MERR_DPCM_AUDIO] = {
967 .name = "Baytrail Audio Port",
968 .stream_name = "Baytrail Audio",
969 .cpu_dai_name = "media-cpu-dai",
970 .codec_dai_name = "snd-soc-dummy-dai",
971 .codec_name = "snd-soc-dummy",
972 .platform_name = "sst-mfld-platform",
977 .ops = &byt_rt5640_aif1_ops,
979 [MERR_DPCM_DEEP_BUFFER] = {
980 .name = "Deep-Buffer Audio Port",
981 .stream_name = "Deep-Buffer Audio",
982 .cpu_dai_name = "deepbuffer-cpu-dai",
983 .codec_dai_name = "snd-soc-dummy-dai",
984 .codec_name = "snd-soc-dummy",
985 .platform_name = "sst-mfld-platform",
989 .ops = &byt_rt5640_aif1_ops,
993 .name = "SSP2-Codec",
995 .cpu_dai_name = "ssp2-port", /* overwritten for ssp0 routing */
996 .platform_name = "sst-mfld-platform",
998 .codec_dai_name = "rt5640-aif1", /* changed w/ quirk */
999 .codec_name = "i2c-10EC5640:00", /* overwritten with HID */
1000 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
1001 | SND_SOC_DAIFMT_CBS_CFS,
1002 .be_hw_params_fixup = byt_rt5640_codec_fixup,
1003 .ignore_suspend = 1,
1007 .init = byt_rt5640_init,
1008 .ops = &byt_rt5640_be_ssp2_ops,
1013 static char byt_rt5640_codec_name[SND_ACPI_I2C_ID_LEN];
1014 static char byt_rt5640_codec_aif_name[12]; /* = "rt5640-aif[1|2]" */
1015 static char byt_rt5640_cpu_dai_name[10]; /* = "ssp[0|2]-port" */
1016 static char byt_rt5640_long_name[40]; /* = "bytcr-rt5640-*-spk-*-mic" */
1018 static int byt_rt5640_suspend(struct snd_soc_card *card)
1020 struct snd_soc_component *component;
1022 if (!BYT_RT5640_JDSRC(byt_rt5640_quirk))
1025 list_for_each_entry(component, &card->component_dev_list, card_list) {
1026 if (!strcmp(component->name, byt_rt5640_codec_name)) {
1027 dev_dbg(component->dev, "disabling jack detect before suspend\n");
1028 snd_soc_component_set_jack(component, NULL, NULL);
1036 static int byt_rt5640_resume(struct snd_soc_card *card)
1038 struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card);
1039 struct snd_soc_component *component;
1041 if (!BYT_RT5640_JDSRC(byt_rt5640_quirk))
1044 list_for_each_entry(component, &card->component_dev_list, card_list) {
1045 if (!strcmp(component->name, byt_rt5640_codec_name)) {
1046 dev_dbg(component->dev, "re-enabling jack detect after resume\n");
1047 snd_soc_component_set_jack(component, &priv->jack, NULL);
1055 static struct snd_soc_card byt_rt5640_card = {
1056 .name = "bytcr-rt5640",
1057 .owner = THIS_MODULE,
1058 .dai_link = byt_rt5640_dais,
1059 .num_links = ARRAY_SIZE(byt_rt5640_dais),
1060 .dapm_widgets = byt_rt5640_widgets,
1061 .num_dapm_widgets = ARRAY_SIZE(byt_rt5640_widgets),
1062 .dapm_routes = byt_rt5640_audio_map,
1063 .num_dapm_routes = ARRAY_SIZE(byt_rt5640_audio_map),
1064 .fully_routed = true,
1065 .suspend_pre = byt_rt5640_suspend,
1066 .resume_post = byt_rt5640_resume,
1069 static bool is_valleyview(void)
1071 static const struct x86_cpu_id cpu_ids[] = {
1072 { X86_VENDOR_INTEL, 6, 55 }, /* Valleyview, Bay Trail */
1076 if (!x86_match_cpu(cpu_ids))
1081 struct acpi_chan_package { /* ACPICA seems to require 64 bit integers */
1082 u64 aif_value; /* 1: AIF1, 2: AIF2 */
1083 u64 mclock_value; /* usually 25MHz (0x17d7940), ignored */
1086 static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
1088 const char * const map_name[] = { "dmic1", "dmic2", "in1", "in3" };
1089 const struct dmi_system_id *dmi_id;
1090 struct byt_rt5640_private *priv;
1091 struct snd_soc_acpi_mach *mach;
1092 const char *i2c_name = NULL;
1098 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
1102 /* register the soc card */
1103 byt_rt5640_card.dev = &pdev->dev;
1104 mach = byt_rt5640_card.dev->platform_data;
1105 snd_soc_card_set_drvdata(&byt_rt5640_card, priv);
1107 /* fix index of codec dai */
1108 for (i = 0; i < ARRAY_SIZE(byt_rt5640_dais); i++) {
1109 if (!strcmp(byt_rt5640_dais[i].codec_name, "i2c-10EC5640:00")) {
1115 /* fixup codec name based on HID */
1116 i2c_name = acpi_dev_get_first_match_name(mach->id, NULL, -1);
1118 snprintf(byt_rt5640_codec_name, sizeof(byt_rt5640_codec_name),
1119 "%s%s", "i2c-", i2c_name);
1121 byt_rt5640_dais[dai_index].codec_name = byt_rt5640_codec_name;
1125 * swap SSP0 if bytcr is detected
1126 * (will be overridden if DMI quirk is detected)
1128 if (is_valleyview()) {
1129 struct sst_platform_info *p_info = mach->pdata;
1130 const struct sst_res_info *res_info = p_info->res_info;
1132 if (res_info->acpi_ipc_irq_index == 0)
1138 * Baytrail CR platforms may have CHAN package in BIOS, try
1139 * to find relevant routing quirk based as done on Windows
1140 * platforms. We have to read the information directly from the
1141 * BIOS, at this stage the card is not created and the links
1142 * with the codec driver/pdata are non-existent
1145 struct acpi_chan_package chan_package;
1147 /* format specified: 2 64-bit integers */
1148 struct acpi_buffer format = {sizeof("NN"), "NN"};
1149 struct acpi_buffer state = {0, NULL};
1150 struct snd_soc_acpi_package_context pkg_ctx;
1151 bool pkg_found = false;
1153 state.length = sizeof(chan_package);
1154 state.pointer = &chan_package;
1156 pkg_ctx.name = "CHAN";
1158 pkg_ctx.format = &format;
1159 pkg_ctx.state = &state;
1160 pkg_ctx.data_valid = false;
1162 pkg_found = snd_soc_acpi_find_package_from_hid(mach->id,
1165 if (chan_package.aif_value == 1) {
1166 dev_info(&pdev->dev, "BIOS Routing: AIF1 connected\n");
1167 byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF1;
1168 } else if (chan_package.aif_value == 2) {
1169 dev_info(&pdev->dev, "BIOS Routing: AIF2 connected\n");
1170 byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF2;
1172 dev_info(&pdev->dev, "BIOS Routing isn't valid, ignored\n");
1178 /* no BIOS indications, assume SSP0-AIF2 connection */
1179 byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF2;
1182 /* change defaults for Baytrail-CR capture */
1183 byt_rt5640_quirk |= BYTCR_INPUT_DEFAULTS;
1185 byt_rt5640_quirk |= BYT_RT5640_DMIC1_MAP |
1186 BYT_RT5640_JD_SRC_JD2_IN4N |
1187 BYT_RT5640_OVCD_TH_2000UA |
1188 BYT_RT5640_OVCD_SF_0P75;
1191 /* check quirks before creating card */
1192 dmi_id = dmi_first_match(byt_rt5640_quirk_table);
1194 byt_rt5640_quirk = (unsigned long)dmi_id->driver_data;
1195 if (quirk_override) {
1196 dev_info(&pdev->dev, "Overriding quirk 0x%x => 0x%x\n",
1197 (unsigned int)byt_rt5640_quirk, quirk_override);
1198 byt_rt5640_quirk = quirk_override;
1201 /* Must be called before register_card, also see declaration comment. */
1202 ret_val = byt_rt5640_add_codec_device_props(byt_rt5640_codec_name);
1206 log_quirks(&pdev->dev);
1208 if ((byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) ||
1209 (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
1211 /* fixup codec aif name */
1212 snprintf(byt_rt5640_codec_aif_name,
1213 sizeof(byt_rt5640_codec_aif_name),
1214 "%s", "rt5640-aif2");
1216 byt_rt5640_dais[dai_index].codec_dai_name =
1217 byt_rt5640_codec_aif_name;
1220 if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
1221 (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
1223 /* fixup cpu dai name name */
1224 snprintf(byt_rt5640_cpu_dai_name,
1225 sizeof(byt_rt5640_cpu_dai_name),
1228 byt_rt5640_dais[dai_index].cpu_dai_name =
1229 byt_rt5640_cpu_dai_name;
1232 if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
1233 priv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
1234 if (IS_ERR(priv->mclk)) {
1235 ret_val = PTR_ERR(priv->mclk);
1238 "Failed to get MCLK from pmc_plt_clk_3: %d\n",
1242 * Fall back to bit clock usage for -ENOENT (clock not
1243 * available likely due to missing dependencies), bail
1244 * for all other errors, including -EPROBE_DEFER
1246 if (ret_val != -ENOENT)
1248 byt_rt5640_quirk &= ~BYT_RT5640_MCLK_EN;
1252 snprintf(byt_rt5640_long_name, sizeof(byt_rt5640_long_name),
1253 "bytcr-rt5640-%s-spk-%s-mic",
1254 (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) ?
1256 map_name[BYT_RT5640_MAP(byt_rt5640_quirk)]);
1257 byt_rt5640_card.long_name = byt_rt5640_long_name;
1259 ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5640_card);
1262 dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n",
1266 platform_set_drvdata(pdev, &byt_rt5640_card);
1270 static struct platform_driver snd_byt_rt5640_mc_driver = {
1272 .name = "bytcr_rt5640",
1274 .probe = snd_byt_rt5640_mc_probe,
1277 module_platform_driver(snd_byt_rt5640_mc_driver);
1279 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver");
1280 MODULE_AUTHOR("Subhransu S. Prusty <subhransu.s.prusty@intel.com>");
1281 MODULE_LICENSE("GPL v2");
1282 MODULE_ALIAS("platform:bytcr_rt5640");