1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  *  byt_cr_dpcm_rt5640.c - ASoc Machine driver for Intel Byt CR platform
4  *
5  *  Copyright (C) 2014 Intel Corp
6  *  Author: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
7  *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
8  *
9  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
10  */
11 
12 #include <linux/i2c.h>
13 #include <linux/init.h>
14 #include <linux/module.h>
15 #include <linux/moduleparam.h>
16 #include <linux/platform_device.h>
17 #include <linux/acpi.h>
18 #include <linux/clk.h>
19 #include <linux/device.h>
20 #include <linux/dmi.h>
21 #include <linux/input.h>
22 #include <linux/slab.h>
23 #include <sound/pcm.h>
24 #include <sound/pcm_params.h>
25 #include <sound/soc.h>
26 #include <sound/jack.h>
27 #include <sound/soc-acpi.h>
28 #include <dt-bindings/sound/rt5640.h>
29 #include "../../codecs/rt5640.h"
30 #include "../atom/sst-atom-controls.h"
31 #include "../common/sst-dsp.h"
32 #include "../common/soc-intel-quirks.h"
33 
34 enum {
35 	BYT_RT5640_DMIC1_MAP,
36 	BYT_RT5640_DMIC2_MAP,
37 	BYT_RT5640_IN1_MAP,
38 	BYT_RT5640_IN3_MAP,
39 };
40 
41 enum {
42 	BYT_RT5640_JD_SRC_GPIO1		= (RT5640_JD_SRC_GPIO1 << 4),
43 	BYT_RT5640_JD_SRC_JD1_IN4P	= (RT5640_JD_SRC_JD1_IN4P << 4),
44 	BYT_RT5640_JD_SRC_JD2_IN4N	= (RT5640_JD_SRC_JD2_IN4N << 4),
45 	BYT_RT5640_JD_SRC_GPIO2		= (RT5640_JD_SRC_GPIO2 << 4),
46 	BYT_RT5640_JD_SRC_GPIO3		= (RT5640_JD_SRC_GPIO3 << 4),
47 	BYT_RT5640_JD_SRC_GPIO4		= (RT5640_JD_SRC_GPIO4 << 4),
48 };
49 
50 enum {
51 	BYT_RT5640_OVCD_TH_600UA	= (6 << 8),
52 	BYT_RT5640_OVCD_TH_1500UA	= (15 << 8),
53 	BYT_RT5640_OVCD_TH_2000UA	= (20 << 8),
54 };
55 
56 enum {
57 	BYT_RT5640_OVCD_SF_0P5		= (RT5640_OVCD_SF_0P5 << 13),
58 	BYT_RT5640_OVCD_SF_0P75		= (RT5640_OVCD_SF_0P75 << 13),
59 	BYT_RT5640_OVCD_SF_1P0		= (RT5640_OVCD_SF_1P0 << 13),
60 	BYT_RT5640_OVCD_SF_1P5		= (RT5640_OVCD_SF_1P5 << 13),
61 };
62 
63 #define BYT_RT5640_MAP(quirk)		((quirk) &  GENMASK(3, 0))
64 #define BYT_RT5640_JDSRC(quirk)		(((quirk) & GENMASK(7, 4)) >> 4)
65 #define BYT_RT5640_OVCD_TH(quirk)	(((quirk) & GENMASK(12, 8)) >> 8)
66 #define BYT_RT5640_OVCD_SF(quirk)	(((quirk) & GENMASK(14, 13)) >> 13)
67 #define BYT_RT5640_JD_NOT_INV		BIT(16)
68 #define BYT_RT5640_MONO_SPEAKER		BIT(17)
69 #define BYT_RT5640_DIFF_MIC		BIT(18) /* default is single-ended */
70 #define BYT_RT5640_SSP2_AIF2		BIT(19) /* default is using AIF1  */
71 #define BYT_RT5640_SSP0_AIF1		BIT(20)
72 #define BYT_RT5640_SSP0_AIF2		BIT(21)
73 #define BYT_RT5640_MCLK_EN		BIT(22)
74 #define BYT_RT5640_MCLK_25MHZ		BIT(23)
75 
76 #define BYTCR_INPUT_DEFAULTS				\
77 	(BYT_RT5640_IN3_MAP |				\
78 	 BYT_RT5640_JD_SRC_JD1_IN4P |			\
79 	 BYT_RT5640_OVCD_TH_2000UA |			\
80 	 BYT_RT5640_OVCD_SF_0P75 |			\
81 	 BYT_RT5640_DIFF_MIC)
82 
83 /* in-diff or dmic-pin + jdsrc + ovcd-th + -sf + jd-inv + terminating entry */
84 #define MAX_NO_PROPS 6
85 
86 struct byt_rt5640_private {
87 	struct snd_soc_jack jack;
88 	struct clk *mclk;
89 };
90 static bool is_bytcr;
91 
92 static unsigned long byt_rt5640_quirk = BYT_RT5640_MCLK_EN;
93 static int quirk_override = -1;
94 module_param_named(quirk, quirk_override, int, 0444);
95 MODULE_PARM_DESC(quirk, "Board-specific quirk override");
96 
97 static void log_quirks(struct device *dev)
98 {
99 	int map;
100 	bool has_mclk = false;
101 	bool has_ssp0 = false;
102 	bool has_ssp0_aif1 = false;
103 	bool has_ssp0_aif2 = false;
104 	bool has_ssp2_aif2 = false;
105 
106 	map = BYT_RT5640_MAP(byt_rt5640_quirk);
107 	switch (map) {
108 	case BYT_RT5640_DMIC1_MAP:
109 		dev_info(dev, "quirk DMIC1_MAP enabled\n");
110 		break;
111 	case BYT_RT5640_DMIC2_MAP:
112 		dev_info(dev, "quirk DMIC2_MAP enabled\n");
113 		break;
114 	case BYT_RT5640_IN1_MAP:
115 		dev_info(dev, "quirk IN1_MAP enabled\n");
116 		break;
117 	case BYT_RT5640_IN3_MAP:
118 		dev_info(dev, "quirk IN3_MAP enabled\n");
119 		break;
120 	default:
121 		dev_err(dev, "quirk map 0x%x is not supported, microphone input will not work\n", map);
122 		break;
123 	}
124 	if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) {
125 		dev_info(dev, "quirk realtek,jack-detect-source %ld\n",
126 			 BYT_RT5640_JDSRC(byt_rt5640_quirk));
127 		dev_info(dev, "quirk realtek,over-current-threshold-microamp %ld\n",
128 			 BYT_RT5640_OVCD_TH(byt_rt5640_quirk) * 100);
129 		dev_info(dev, "quirk realtek,over-current-scale-factor %ld\n",
130 			 BYT_RT5640_OVCD_SF(byt_rt5640_quirk));
131 	}
132 	if (byt_rt5640_quirk & BYT_RT5640_JD_NOT_INV)
133 		dev_info(dev, "quirk JD_NOT_INV enabled\n");
134 	if (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER)
135 		dev_info(dev, "quirk MONO_SPEAKER enabled\n");
136 	if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC)
137 		dev_info(dev, "quirk DIFF_MIC enabled\n");
138 	if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) {
139 		dev_info(dev, "quirk SSP0_AIF1 enabled\n");
140 		has_ssp0 = true;
141 		has_ssp0_aif1 = true;
142 	}
143 	if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2) {
144 		dev_info(dev, "quirk SSP0_AIF2 enabled\n");
145 		has_ssp0 = true;
146 		has_ssp0_aif2 = true;
147 	}
148 	if (byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) {
149 		dev_info(dev, "quirk SSP2_AIF2 enabled\n");
150 		has_ssp2_aif2 = true;
151 	}
152 	if (is_bytcr && !has_ssp0)
153 		dev_err(dev, "Invalid routing, bytcr detected but no SSP0-based quirk, audio cannot work with SSP2 on bytcr\n");
154 	if (has_ssp0_aif1 && has_ssp0_aif2)
155 		dev_err(dev, "Invalid routing, SSP0 cannot be connected to both AIF1 and AIF2\n");
156 	if (has_ssp0 && has_ssp2_aif2)
157 		dev_err(dev, "Invalid routing, cannot have both SSP0 and SSP2 connected to codec\n");
158 
159 	if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
160 		dev_info(dev, "quirk MCLK_EN enabled\n");
161 		has_mclk = true;
162 	}
163 	if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ) {
164 		if (has_mclk)
165 			dev_info(dev, "quirk MCLK_25MHZ enabled\n");
166 		else
167 			dev_err(dev, "quirk MCLK_25MHZ enabled but quirk MCLK not selected, will be ignored\n");
168 	}
169 }
170 
171 static int byt_rt5640_prepare_and_enable_pll1(struct snd_soc_dai *codec_dai,
172 					      int rate)
173 {
174 	int ret;
175 
176 	/* Configure the PLL before selecting it */
177 	if (!(byt_rt5640_quirk & BYT_RT5640_MCLK_EN)) {
178 		/* use bitclock as PLL input */
179 		if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
180 		    (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
181 			/* 2x16 bit slots on SSP0 */
182 			ret = snd_soc_dai_set_pll(codec_dai, 0,
183 						  RT5640_PLL1_S_BCLK1,
184 						  rate * 32, rate * 512);
185 		} else {
186 			/* 2x15 bit slots on SSP2 */
187 			ret = snd_soc_dai_set_pll(codec_dai, 0,
188 						  RT5640_PLL1_S_BCLK1,
189 						  rate * 50, rate * 512);
190 		}
191 	} else {
192 		if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ) {
193 			ret = snd_soc_dai_set_pll(codec_dai, 0,
194 						  RT5640_PLL1_S_MCLK,
195 						  25000000, rate * 512);
196 		} else {
197 			ret = snd_soc_dai_set_pll(codec_dai, 0,
198 						  RT5640_PLL1_S_MCLK,
199 						  19200000, rate * 512);
200 		}
201 	}
202 
203 	if (ret < 0) {
204 		dev_err(codec_dai->component->dev, "can't set pll: %d\n", ret);
205 		return ret;
206 	}
207 
208 	ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_PLL1,
209 				     rate * 512, SND_SOC_CLOCK_IN);
210 	if (ret < 0) {
211 		dev_err(codec_dai->component->dev, "can't set clock %d\n", ret);
212 		return ret;
213 	}
214 
215 	return 0;
216 }
217 
218 #define BYT_CODEC_DAI1	"rt5640-aif1"
219 #define BYT_CODEC_DAI2	"rt5640-aif2"
220 
221 static int platform_clock_control(struct snd_soc_dapm_widget *w,
222 				  struct snd_kcontrol *k, int  event)
223 {
224 	struct snd_soc_dapm_context *dapm = w->dapm;
225 	struct snd_soc_card *card = dapm->card;
226 	struct snd_soc_dai *codec_dai;
227 	struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card);
228 	int ret;
229 
230 	codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI1);
231 	if (!codec_dai)
232 		codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI2);
233 
234 	if (!codec_dai) {
235 		dev_err(card->dev,
236 			"Codec dai not found; Unable to set platform clock\n");
237 		return -EIO;
238 	}
239 
240 	if (SND_SOC_DAPM_EVENT_ON(event)) {
241 		if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
242 			ret = clk_prepare_enable(priv->mclk);
243 			if (ret < 0) {
244 				dev_err(card->dev,
245 					"could not configure MCLK state\n");
246 				return ret;
247 			}
248 		}
249 		ret = byt_rt5640_prepare_and_enable_pll1(codec_dai, 48000);
250 	} else {
251 		/*
252 		 * Set codec clock source to internal clock before
253 		 * turning off the platform clock. Codec needs clock
254 		 * for Jack detection and button press
255 		 */
256 		ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_RCCLK,
257 					     48000 * 512,
258 					     SND_SOC_CLOCK_IN);
259 		if (!ret) {
260 			if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN)
261 				clk_disable_unprepare(priv->mclk);
262 		}
263 	}
264 
265 	if (ret < 0) {
266 		dev_err(card->dev, "can't set codec sysclk: %d\n", ret);
267 		return ret;
268 	}
269 
270 	return 0;
271 }
272 
273 static const struct snd_soc_dapm_widget byt_rt5640_widgets[] = {
274 	SND_SOC_DAPM_HP("Headphone", NULL),
275 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
276 	SND_SOC_DAPM_MIC("Internal Mic", NULL),
277 	SND_SOC_DAPM_SPK("Speaker", NULL),
278 	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
279 			    platform_clock_control, SND_SOC_DAPM_PRE_PMU |
280 			    SND_SOC_DAPM_POST_PMD),
281 
282 };
283 
284 static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = {
285 	{"Headphone", NULL, "Platform Clock"},
286 	{"Headset Mic", NULL, "Platform Clock"},
287 	{"Internal Mic", NULL, "Platform Clock"},
288 	{"Speaker", NULL, "Platform Clock"},
289 
290 	{"Headset Mic", NULL, "MICBIAS1"},
291 	{"IN2P", NULL, "Headset Mic"},
292 	{"Headphone", NULL, "HPOL"},
293 	{"Headphone", NULL, "HPOR"},
294 };
295 
296 static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic1_map[] = {
297 	{"DMIC1", NULL, "Internal Mic"},
298 };
299 
300 static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic2_map[] = {
301 	{"DMIC2", NULL, "Internal Mic"},
302 };
303 
304 static const struct snd_soc_dapm_route byt_rt5640_intmic_in1_map[] = {
305 	{"Internal Mic", NULL, "MICBIAS1"},
306 	{"IN1P", NULL, "Internal Mic"},
307 };
308 
309 static const struct snd_soc_dapm_route byt_rt5640_intmic_in3_map[] = {
310 	{"Internal Mic", NULL, "MICBIAS1"},
311 	{"IN3P", NULL, "Internal Mic"},
312 };
313 
314 static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif1_map[] = {
315 	{"ssp2 Tx", NULL, "codec_out0"},
316 	{"ssp2 Tx", NULL, "codec_out1"},
317 	{"codec_in0", NULL, "ssp2 Rx"},
318 	{"codec_in1", NULL, "ssp2 Rx"},
319 
320 	{"AIF1 Playback", NULL, "ssp2 Tx"},
321 	{"ssp2 Rx", NULL, "AIF1 Capture"},
322 };
323 
324 static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif2_map[] = {
325 	{"ssp2 Tx", NULL, "codec_out0"},
326 	{"ssp2 Tx", NULL, "codec_out1"},
327 	{"codec_in0", NULL, "ssp2 Rx"},
328 	{"codec_in1", NULL, "ssp2 Rx"},
329 
330 	{"AIF2 Playback", NULL, "ssp2 Tx"},
331 	{"ssp2 Rx", NULL, "AIF2 Capture"},
332 };
333 
334 static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif1_map[] = {
335 	{"ssp0 Tx", NULL, "modem_out"},
336 	{"modem_in", NULL, "ssp0 Rx"},
337 
338 	{"AIF1 Playback", NULL, "ssp0 Tx"},
339 	{"ssp0 Rx", NULL, "AIF1 Capture"},
340 };
341 
342 static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif2_map[] = {
343 	{"ssp0 Tx", NULL, "modem_out"},
344 	{"modem_in", NULL, "ssp0 Rx"},
345 
346 	{"AIF2 Playback", NULL, "ssp0 Tx"},
347 	{"ssp0 Rx", NULL, "AIF2 Capture"},
348 };
349 
350 static const struct snd_soc_dapm_route byt_rt5640_stereo_spk_map[] = {
351 	{"Speaker", NULL, "SPOLP"},
352 	{"Speaker", NULL, "SPOLN"},
353 	{"Speaker", NULL, "SPORP"},
354 	{"Speaker", NULL, "SPORN"},
355 };
356 
357 static const struct snd_soc_dapm_route byt_rt5640_mono_spk_map[] = {
358 	{"Speaker", NULL, "SPOLP"},
359 	{"Speaker", NULL, "SPOLN"},
360 };
361 
362 static const struct snd_kcontrol_new byt_rt5640_controls[] = {
363 	SOC_DAPM_PIN_SWITCH("Headphone"),
364 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
365 	SOC_DAPM_PIN_SWITCH("Internal Mic"),
366 	SOC_DAPM_PIN_SWITCH("Speaker"),
367 };
368 
369 static struct snd_soc_jack_pin rt5640_pins[] = {
370 	{
371 		.pin	= "Headphone",
372 		.mask	= SND_JACK_HEADPHONE,
373 	},
374 	{
375 		.pin	= "Headset Mic",
376 		.mask	= SND_JACK_MICROPHONE,
377 	},
378 };
379 
380 static int byt_rt5640_aif1_hw_params(struct snd_pcm_substream *substream,
381 					struct snd_pcm_hw_params *params)
382 {
383 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
384 	struct snd_soc_dai *dai = rtd->codec_dai;
385 
386 	return byt_rt5640_prepare_and_enable_pll1(dai, params_rate(params));
387 }
388 
389 /* Please keep this list alphabetically sorted */
390 static const struct dmi_system_id byt_rt5640_quirk_table[] = {
391 	{	/* Acer Iconia Tab 8 W1-810 */
392 		.matches = {
393 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
394 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Iconia W1-810"),
395 		},
396 		.driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
397 					BYT_RT5640_JD_SRC_JD1_IN4P |
398 					BYT_RT5640_OVCD_TH_1500UA |
399 					BYT_RT5640_OVCD_SF_0P75 |
400 					BYT_RT5640_SSP0_AIF1 |
401 					BYT_RT5640_MCLK_EN),
402 	},
403 	{
404 		.matches = {
405 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
406 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"),
407 		},
408 		.driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
409 					BYT_RT5640_JD_SRC_JD2_IN4N |
410 					BYT_RT5640_OVCD_TH_2000UA |
411 					BYT_RT5640_OVCD_SF_0P75 |
412 					BYT_RT5640_SSP0_AIF1 |
413 					BYT_RT5640_MCLK_EN),
414 	},
415 	{
416 		.matches = {
417 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ARCHOS"),
418 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ARCHOS 80 Cesium"),
419 		},
420 		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
421 					BYT_RT5640_MONO_SPEAKER |
422 					BYT_RT5640_SSP0_AIF1 |
423 					BYT_RT5640_MCLK_EN),
424 	},
425 	{
426 		.matches = {
427 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
428 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ME176C"),
429 		},
430 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
431 					BYT_RT5640_JD_SRC_JD2_IN4N |
432 					BYT_RT5640_OVCD_TH_2000UA |
433 					BYT_RT5640_OVCD_SF_0P75 |
434 					BYT_RT5640_SSP0_AIF1 |
435 					BYT_RT5640_MCLK_EN),
436 	},
437 	{
438 		.matches = {
439 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
440 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TA"),
441 		},
442 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
443 					BYT_RT5640_JD_SRC_JD2_IN4N |
444 					BYT_RT5640_OVCD_TH_2000UA |
445 					BYT_RT5640_OVCD_SF_0P75 |
446 					BYT_RT5640_MCLK_EN),
447 	},
448 	{
449 		.matches = {
450 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
451 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TAF"),
452 		},
453 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
454 					BYT_RT5640_MONO_SPEAKER |
455 					BYT_RT5640_DIFF_MIC |
456 					BYT_RT5640_SSP0_AIF2 |
457 					BYT_RT5640_MCLK_EN),
458 	},
459 	{	/* Chuwi Vi8 (CWI506) */
460 		.matches = {
461 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"),
462 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "i86"),
463 			/* The above are too generic, also match BIOS info */
464 			DMI_MATCH(DMI_BIOS_VERSION, "CHUWI.D86JLBNR"),
465 		},
466 		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
467 					BYT_RT5640_MONO_SPEAKER |
468 					BYT_RT5640_SSP0_AIF1 |
469 					BYT_RT5640_MCLK_EN),
470 	},
471 	{
472 		/* Chuwi Vi10 (CWI505) */
473 		.matches = {
474 			DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"),
475 			DMI_MATCH(DMI_BOARD_NAME, "BYT-PF02"),
476 			DMI_MATCH(DMI_SYS_VENDOR, "ilife"),
477 			DMI_MATCH(DMI_PRODUCT_NAME, "S165"),
478 		},
479 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
480 					BYT_RT5640_JD_SRC_JD2_IN4N |
481 					BYT_RT5640_OVCD_TH_2000UA |
482 					BYT_RT5640_OVCD_SF_0P75 |
483 					BYT_RT5640_DIFF_MIC |
484 					BYT_RT5640_SSP0_AIF1 |
485 					BYT_RT5640_MCLK_EN),
486 	},
487 	{
488 		.matches = {
489 			DMI_MATCH(DMI_SYS_VENDOR, "Circuitco"),
490 			DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Max B3 PLATFORM"),
491 		},
492 		.driver_data = (void *)(BYT_RT5640_DMIC1_MAP),
493 	},
494 	{	/* Connect Tablet 9 */
495 		.matches = {
496 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Connect"),
497 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Tablet 9"),
498 		},
499 		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
500 					BYT_RT5640_MONO_SPEAKER |
501 					BYT_RT5640_SSP0_AIF1 |
502 					BYT_RT5640_MCLK_EN),
503 	},
504 	{
505 		.matches = {
506 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
507 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Venue 8 Pro 5830"),
508 		},
509 		.driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
510 					BYT_RT5640_JD_SRC_JD2_IN4N |
511 					BYT_RT5640_OVCD_TH_2000UA |
512 					BYT_RT5640_OVCD_SF_0P75 |
513 					BYT_RT5640_MONO_SPEAKER |
514 					BYT_RT5640_MCLK_EN),
515 	},
516 	{
517 		.matches = {
518 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
519 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP ElitePad 1000 G2"),
520 		},
521 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
522 					BYT_RT5640_MCLK_EN),
523 	},
524 	{	/* HP Pavilion x2 10-n000nd */
525 		.matches = {
526 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
527 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP Pavilion x2 Detachable"),
528 		},
529 		.driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
530 					BYT_RT5640_JD_SRC_JD2_IN4N |
531 					BYT_RT5640_OVCD_TH_1500UA |
532 					BYT_RT5640_OVCD_SF_0P75 |
533 					BYT_RT5640_SSP0_AIF1 |
534 					BYT_RT5640_MCLK_EN),
535 	},
536 	{	/* HP Stream 7 */
537 		.matches = {
538 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
539 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP Stream 7 Tablet"),
540 		},
541 		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
542 					BYT_RT5640_MONO_SPEAKER |
543 					BYT_RT5640_JD_NOT_INV |
544 					BYT_RT5640_SSP0_AIF1 |
545 					BYT_RT5640_MCLK_EN),
546 	},
547 	{	/* I.T.Works TW891 */
548 		.matches = {
549 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."),
550 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TW891"),
551 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."),
552 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "TW891"),
553 		},
554 		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
555 					BYT_RT5640_MONO_SPEAKER |
556 					BYT_RT5640_SSP0_AIF1 |
557 					BYT_RT5640_MCLK_EN),
558 	},
559 	{	/* Lamina I8270 / T701BR.SE */
560 		.matches = {
561 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Lamina"),
562 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "T701BR.SE"),
563 		},
564 		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
565 					BYT_RT5640_MONO_SPEAKER |
566 					BYT_RT5640_JD_NOT_INV |
567 					BYT_RT5640_SSP0_AIF1 |
568 					BYT_RT5640_MCLK_EN),
569 	},
570 	{	/* Lenovo Miix 2 8 */
571 		.matches = {
572 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
573 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "20326"),
574 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "Hiking"),
575 		},
576 		.driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
577 					BYT_RT5640_JD_SRC_JD2_IN4N |
578 					BYT_RT5640_OVCD_TH_2000UA |
579 					BYT_RT5640_OVCD_SF_0P75 |
580 					BYT_RT5640_MONO_SPEAKER |
581 					BYT_RT5640_MCLK_EN),
582 	},
583 	{	/* Linx Linx7 tablet */
584 		.matches = {
585 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LINX"),
586 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "LINX7"),
587 		},
588 		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
589 					BYT_RT5640_MONO_SPEAKER |
590 					BYT_RT5640_JD_NOT_INV |
591 					BYT_RT5640_SSP0_AIF1 |
592 					BYT_RT5640_MCLK_EN),
593 	},
594 	{	/* MSI S100 tablet */
595 		.matches = {
596 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Micro-Star International Co., Ltd."),
597 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "S100"),
598 		},
599 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
600 					BYT_RT5640_JD_SRC_JD2_IN4N |
601 					BYT_RT5640_OVCD_TH_2000UA |
602 					BYT_RT5640_OVCD_SF_0P75 |
603 					BYT_RT5640_MONO_SPEAKER |
604 					BYT_RT5640_DIFF_MIC |
605 					BYT_RT5640_MCLK_EN),
606 	},
607 	{	/* Nuvison/TMax TM800W560 */
608 		.matches = {
609 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TMAX"),
610 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TM800W560L"),
611 		},
612 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
613 					BYT_RT5640_JD_SRC_JD2_IN4N |
614 					BYT_RT5640_OVCD_TH_2000UA |
615 					BYT_RT5640_OVCD_SF_0P75 |
616 					BYT_RT5640_JD_NOT_INV |
617 					BYT_RT5640_DIFF_MIC |
618 					BYT_RT5640_SSP0_AIF1 |
619 					BYT_RT5640_MCLK_EN),
620 	},
621 	{	/* Onda v975w */
622 		.matches = {
623 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
624 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
625 			/* The above are too generic, also match BIOS info */
626 			DMI_EXACT_MATCH(DMI_BIOS_VERSION, "5.6.5"),
627 			DMI_EXACT_MATCH(DMI_BIOS_DATE, "07/25/2014"),
628 		},
629 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
630 					BYT_RT5640_JD_SRC_JD2_IN4N |
631 					BYT_RT5640_OVCD_TH_2000UA |
632 					BYT_RT5640_OVCD_SF_0P75 |
633 					BYT_RT5640_DIFF_MIC |
634 					BYT_RT5640_MCLK_EN),
635 	},
636 	{	/* Pipo W4 */
637 		.matches = {
638 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
639 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
640 			/* The above are too generic, also match BIOS info */
641 			DMI_MATCH(DMI_BIOS_VERSION, "V8L_WIN32_CHIPHD"),
642 		},
643 		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
644 					BYT_RT5640_MONO_SPEAKER |
645 					BYT_RT5640_SSP0_AIF1 |
646 					BYT_RT5640_MCLK_EN),
647 	},
648 	{	/* Point of View Mobii TAB-P800W (V2.0) */
649 		.matches = {
650 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
651 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
652 			/* The above are too generic, also match BIOS info */
653 			DMI_EXACT_MATCH(DMI_BIOS_VERSION, "3BAIR1014"),
654 			DMI_EXACT_MATCH(DMI_BIOS_DATE, "10/24/2014"),
655 		},
656 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
657 					BYT_RT5640_JD_SRC_JD2_IN4N |
658 					BYT_RT5640_OVCD_TH_2000UA |
659 					BYT_RT5640_OVCD_SF_0P75 |
660 					BYT_RT5640_MONO_SPEAKER |
661 					BYT_RT5640_DIFF_MIC |
662 					BYT_RT5640_SSP0_AIF2 |
663 					BYT_RT5640_MCLK_EN),
664 	},
665 	{	/* Point of View Mobii TAB-P800W (V2.1) */
666 		.matches = {
667 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
668 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
669 			/* The above are too generic, also match BIOS info */
670 			DMI_EXACT_MATCH(DMI_BIOS_VERSION, "3BAIR1013"),
671 			DMI_EXACT_MATCH(DMI_BIOS_DATE, "08/22/2014"),
672 		},
673 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
674 					BYT_RT5640_JD_SRC_JD2_IN4N |
675 					BYT_RT5640_OVCD_TH_2000UA |
676 					BYT_RT5640_OVCD_SF_0P75 |
677 					BYT_RT5640_MONO_SPEAKER |
678 					BYT_RT5640_DIFF_MIC |
679 					BYT_RT5640_SSP0_AIF2 |
680 					BYT_RT5640_MCLK_EN),
681 	},
682 	{	/* Point of View Mobii TAB-P1005W-232 (V2.0) */
683 		.matches = {
684 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "POV"),
685 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "I102A"),
686 		},
687 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
688 					BYT_RT5640_JD_SRC_JD2_IN4N |
689 					BYT_RT5640_OVCD_TH_2000UA |
690 					BYT_RT5640_OVCD_SF_0P75 |
691 					BYT_RT5640_DIFF_MIC |
692 					BYT_RT5640_SSP0_AIF1 |
693 					BYT_RT5640_MCLK_EN),
694 	},
695 	{
696 		/* Prowise PT301 */
697 		.matches = {
698 			DMI_MATCH(DMI_SYS_VENDOR, "Prowise"),
699 			DMI_MATCH(DMI_PRODUCT_NAME, "PT301"),
700 		},
701 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
702 					BYT_RT5640_JD_SRC_JD2_IN4N |
703 					BYT_RT5640_OVCD_TH_2000UA |
704 					BYT_RT5640_OVCD_SF_0P75 |
705 					BYT_RT5640_DIFF_MIC |
706 					BYT_RT5640_SSP0_AIF1 |
707 					BYT_RT5640_MCLK_EN),
708 	},
709 	{
710 		/* Teclast X89 */
711 		.matches = {
712 			DMI_MATCH(DMI_BOARD_VENDOR, "TECLAST"),
713 			DMI_MATCH(DMI_BOARD_NAME, "tPAD"),
714 		},
715 		.driver_data = (void *)(BYT_RT5640_IN3_MAP |
716 					BYT_RT5640_JD_SRC_JD1_IN4P |
717 					BYT_RT5640_OVCD_TH_2000UA |
718 					BYT_RT5640_OVCD_SF_1P0 |
719 					BYT_RT5640_SSP0_AIF1 |
720 					BYT_RT5640_MCLK_EN),
721 	},
722 	{	/* Toshiba Satellite Click Mini L9W-B */
723 		.matches = {
724 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
725 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SATELLITE Click Mini L9W-B"),
726 		},
727 		.driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
728 					BYT_RT5640_JD_SRC_JD2_IN4N |
729 					BYT_RT5640_OVCD_TH_1500UA |
730 					BYT_RT5640_OVCD_SF_0P75 |
731 					BYT_RT5640_SSP0_AIF1 |
732 					BYT_RT5640_MCLK_EN),
733 	},
734 	{	/* Catch-all for generic Insyde tablets, must be last */
735 		.matches = {
736 			DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
737 		},
738 		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
739 					BYT_RT5640_MCLK_EN |
740 					BYT_RT5640_SSP0_AIF1),
741 
742 	},
743 	{}
744 };
745 
746 /*
747  * Note this MUST be called before snd_soc_register_card(), so that the props
748  * are in place before the codec component driver's probe function parses them.
749  */
750 static int byt_rt5640_add_codec_device_props(const char *i2c_dev_name)
751 {
752 	struct property_entry props[MAX_NO_PROPS] = {};
753 	struct device *i2c_dev;
754 	int ret, cnt = 0;
755 
756 	i2c_dev = bus_find_device_by_name(&i2c_bus_type, NULL, i2c_dev_name);
757 	if (!i2c_dev)
758 		return -EPROBE_DEFER;
759 
760 	switch (BYT_RT5640_MAP(byt_rt5640_quirk)) {
761 	case BYT_RT5640_DMIC1_MAP:
762 		props[cnt++] = PROPERTY_ENTRY_U32("realtek,dmic1-data-pin",
763 						  RT5640_DMIC1_DATA_PIN_IN1P);
764 		break;
765 	case BYT_RT5640_DMIC2_MAP:
766 		props[cnt++] = PROPERTY_ENTRY_U32("realtek,dmic2-data-pin",
767 						  RT5640_DMIC2_DATA_PIN_IN1N);
768 		break;
769 	case BYT_RT5640_IN1_MAP:
770 		if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC)
771 			props[cnt++] =
772 				PROPERTY_ENTRY_BOOL("realtek,in1-differential");
773 		break;
774 	case BYT_RT5640_IN3_MAP:
775 		if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC)
776 			props[cnt++] =
777 				PROPERTY_ENTRY_BOOL("realtek,in3-differential");
778 		break;
779 	}
780 
781 	if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) {
782 		props[cnt++] = PROPERTY_ENTRY_U32(
783 				    "realtek,jack-detect-source",
784 				    BYT_RT5640_JDSRC(byt_rt5640_quirk));
785 
786 		props[cnt++] = PROPERTY_ENTRY_U32(
787 				    "realtek,over-current-threshold-microamp",
788 				    BYT_RT5640_OVCD_TH(byt_rt5640_quirk) * 100);
789 
790 		props[cnt++] = PROPERTY_ENTRY_U32(
791 				    "realtek,over-current-scale-factor",
792 				    BYT_RT5640_OVCD_SF(byt_rt5640_quirk));
793 	}
794 
795 	if (byt_rt5640_quirk & BYT_RT5640_JD_NOT_INV)
796 		props[cnt++] = PROPERTY_ENTRY_BOOL("realtek,jack-detect-not-inverted");
797 
798 	ret = device_add_properties(i2c_dev, props);
799 	put_device(i2c_dev);
800 
801 	return ret;
802 }
803 
804 static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime)
805 {
806 	struct snd_soc_card *card = runtime->card;
807 	struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card);
808 	struct snd_soc_component *component = runtime->codec_dai->component;
809 	const struct snd_soc_dapm_route *custom_map;
810 	int num_routes;
811 	int ret;
812 
813 	card->dapm.idle_bias_off = true;
814 
815 	/* Start with RC clk for jack-detect (we disable MCLK below) */
816 	if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN)
817 		snd_soc_component_update_bits(component, RT5640_GLB_CLK,
818 			RT5640_SCLK_SRC_MASK, RT5640_SCLK_SRC_RCCLK);
819 
820 	rt5640_sel_asrc_clk_src(component,
821 				RT5640_DA_STEREO_FILTER |
822 				RT5640_DA_MONO_L_FILTER	|
823 				RT5640_DA_MONO_R_FILTER	|
824 				RT5640_AD_STEREO_FILTER	|
825 				RT5640_AD_MONO_L_FILTER	|
826 				RT5640_AD_MONO_R_FILTER,
827 				RT5640_CLK_SEL_ASRC);
828 
829 	ret = snd_soc_add_card_controls(card, byt_rt5640_controls,
830 					ARRAY_SIZE(byt_rt5640_controls));
831 	if (ret) {
832 		dev_err(card->dev, "unable to add card controls\n");
833 		return ret;
834 	}
835 
836 	switch (BYT_RT5640_MAP(byt_rt5640_quirk)) {
837 	case BYT_RT5640_IN1_MAP:
838 		custom_map = byt_rt5640_intmic_in1_map;
839 		num_routes = ARRAY_SIZE(byt_rt5640_intmic_in1_map);
840 		break;
841 	case BYT_RT5640_IN3_MAP:
842 		custom_map = byt_rt5640_intmic_in3_map;
843 		num_routes = ARRAY_SIZE(byt_rt5640_intmic_in3_map);
844 		break;
845 	case BYT_RT5640_DMIC2_MAP:
846 		custom_map = byt_rt5640_intmic_dmic2_map;
847 		num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic2_map);
848 		break;
849 	default:
850 		custom_map = byt_rt5640_intmic_dmic1_map;
851 		num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic1_map);
852 	}
853 
854 	ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
855 	if (ret)
856 		return ret;
857 
858 	if (byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) {
859 		ret = snd_soc_dapm_add_routes(&card->dapm,
860 					byt_rt5640_ssp2_aif2_map,
861 					ARRAY_SIZE(byt_rt5640_ssp2_aif2_map));
862 	} else if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) {
863 		ret = snd_soc_dapm_add_routes(&card->dapm,
864 					byt_rt5640_ssp0_aif1_map,
865 					ARRAY_SIZE(byt_rt5640_ssp0_aif1_map));
866 	} else if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2) {
867 		ret = snd_soc_dapm_add_routes(&card->dapm,
868 					byt_rt5640_ssp0_aif2_map,
869 					ARRAY_SIZE(byt_rt5640_ssp0_aif2_map));
870 	} else {
871 		ret = snd_soc_dapm_add_routes(&card->dapm,
872 					byt_rt5640_ssp2_aif1_map,
873 					ARRAY_SIZE(byt_rt5640_ssp2_aif1_map));
874 	}
875 	if (ret)
876 		return ret;
877 
878 	if (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) {
879 		ret = snd_soc_dapm_add_routes(&card->dapm,
880 					byt_rt5640_mono_spk_map,
881 					ARRAY_SIZE(byt_rt5640_mono_spk_map));
882 	} else {
883 		ret = snd_soc_dapm_add_routes(&card->dapm,
884 					byt_rt5640_stereo_spk_map,
885 					ARRAY_SIZE(byt_rt5640_stereo_spk_map));
886 	}
887 	if (ret)
888 		return ret;
889 
890 	snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone");
891 	snd_soc_dapm_ignore_suspend(&card->dapm, "Speaker");
892 
893 	if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
894 		/*
895 		 * The firmware might enable the clock at
896 		 * boot (this information may or may not
897 		 * be reflected in the enable clock register).
898 		 * To change the rate we must disable the clock
899 		 * first to cover these cases. Due to common
900 		 * clock framework restrictions that do not allow
901 		 * to disable a clock that has not been enabled,
902 		 * we need to enable the clock first.
903 		 */
904 		ret = clk_prepare_enable(priv->mclk);
905 		if (!ret)
906 			clk_disable_unprepare(priv->mclk);
907 
908 		if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ)
909 			ret = clk_set_rate(priv->mclk, 25000000);
910 		else
911 			ret = clk_set_rate(priv->mclk, 19200000);
912 
913 		if (ret) {
914 			dev_err(card->dev, "unable to set MCLK rate\n");
915 			return ret;
916 		}
917 	}
918 
919 	if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) {
920 		ret = snd_soc_card_jack_new(card, "Headset",
921 					    SND_JACK_HEADSET | SND_JACK_BTN_0,
922 					    &priv->jack, rt5640_pins,
923 					    ARRAY_SIZE(rt5640_pins));
924 		if (ret) {
925 			dev_err(card->dev, "Jack creation failed %d\n", ret);
926 			return ret;
927 		}
928 		snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0,
929 				 KEY_PLAYPAUSE);
930 		snd_soc_component_set_jack(component, &priv->jack, NULL);
931 	}
932 
933 	return 0;
934 }
935 
936 static int byt_rt5640_codec_fixup(struct snd_soc_pcm_runtime *rtd,
937 			    struct snd_pcm_hw_params *params)
938 {
939 	struct snd_interval *rate = hw_param_interval(params,
940 			SNDRV_PCM_HW_PARAM_RATE);
941 	struct snd_interval *channels = hw_param_interval(params,
942 						SNDRV_PCM_HW_PARAM_CHANNELS);
943 	int ret, bits;
944 
945 	/* The DSP will covert the FE rate to 48k, stereo */
946 	rate->min = rate->max = 48000;
947 	channels->min = channels->max = 2;
948 
949 	if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
950 	    (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
951 		/* set SSP0 to 16-bit */
952 		params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
953 		bits = 16;
954 	} else {
955 		/* set SSP2 to 24-bit */
956 		params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
957 		bits = 24;
958 	}
959 
960 	/*
961 	 * Default mode for SSP configuration is TDM 4 slot, override config
962 	 * with explicit setting to I2S 2ch. The word length is set with
963 	 * dai_set_tdm_slot() since there is no other API exposed
964 	 */
965 	ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
966 				  SND_SOC_DAIFMT_I2S     |
967 				  SND_SOC_DAIFMT_NB_NF   |
968 				  SND_SOC_DAIFMT_CBS_CFS);
969 	if (ret < 0) {
970 		dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
971 		return ret;
972 	}
973 
974 	ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, bits);
975 	if (ret < 0) {
976 		dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
977 		return ret;
978 	}
979 
980 	return 0;
981 }
982 
983 static int byt_rt5640_aif1_startup(struct snd_pcm_substream *substream)
984 {
985 	return snd_pcm_hw_constraint_single(substream->runtime,
986 			SNDRV_PCM_HW_PARAM_RATE, 48000);
987 }
988 
989 static const struct snd_soc_ops byt_rt5640_aif1_ops = {
990 	.startup = byt_rt5640_aif1_startup,
991 };
992 
993 static const struct snd_soc_ops byt_rt5640_be_ssp2_ops = {
994 	.hw_params = byt_rt5640_aif1_hw_params,
995 };
996 
997 SND_SOC_DAILINK_DEF(dummy,
998 	DAILINK_COMP_ARRAY(COMP_DUMMY()));
999 
1000 SND_SOC_DAILINK_DEF(media,
1001 	DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
1002 
1003 SND_SOC_DAILINK_DEF(deepbuffer,
1004 	DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
1005 
1006 SND_SOC_DAILINK_DEF(ssp2_port,
1007 	/* overwritten for ssp0 routing */
1008 	DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
1009 SND_SOC_DAILINK_DEF(ssp2_codec,
1010 	DAILINK_COMP_ARRAY(COMP_CODEC(
1011 	/* overwritten with HID */ "i2c-10EC5640:00",
1012 	/* changed w/ quirk */	"rt5640-aif1")));
1013 
1014 SND_SOC_DAILINK_DEF(platform,
1015 	DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
1016 
1017 static struct snd_soc_dai_link byt_rt5640_dais[] = {
1018 	[MERR_DPCM_AUDIO] = {
1019 		.name = "Baytrail Audio Port",
1020 		.stream_name = "Baytrail Audio",
1021 		.nonatomic = true,
1022 		.dynamic = 1,
1023 		.dpcm_playback = 1,
1024 		.dpcm_capture = 1,
1025 		.ops = &byt_rt5640_aif1_ops,
1026 		SND_SOC_DAILINK_REG(media, dummy, platform),
1027 	},
1028 	[MERR_DPCM_DEEP_BUFFER] = {
1029 		.name = "Deep-Buffer Audio Port",
1030 		.stream_name = "Deep-Buffer Audio",
1031 		.nonatomic = true,
1032 		.dynamic = 1,
1033 		.dpcm_playback = 1,
1034 		.ops = &byt_rt5640_aif1_ops,
1035 		SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
1036 	},
1037 		/* back ends */
1038 	{
1039 		.name = "SSP2-Codec",
1040 		.id = 0,
1041 		.no_pcm = 1,
1042 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
1043 						| SND_SOC_DAIFMT_CBS_CFS,
1044 		.be_hw_params_fixup = byt_rt5640_codec_fixup,
1045 		.ignore_suspend = 1,
1046 		.nonatomic = true,
1047 		.dpcm_playback = 1,
1048 		.dpcm_capture = 1,
1049 		.init = byt_rt5640_init,
1050 		.ops = &byt_rt5640_be_ssp2_ops,
1051 		SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform),
1052 	},
1053 };
1054 
1055 /* SoC card */
1056 static char byt_rt5640_codec_name[SND_ACPI_I2C_ID_LEN];
1057 #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES)
1058 static char byt_rt5640_long_name[40]; /* = "bytcr-rt5640-*-spk-*-mic" */
1059 #endif
1060 static char byt_rt5640_components[32]; /* = "cfg-spk:* cfg-mic:*" */
1061 
1062 static int byt_rt5640_suspend(struct snd_soc_card *card)
1063 {
1064 	struct snd_soc_component *component;
1065 
1066 	if (!BYT_RT5640_JDSRC(byt_rt5640_quirk))
1067 		return 0;
1068 
1069 	for_each_card_components(card, component) {
1070 		if (!strcmp(component->name, byt_rt5640_codec_name)) {
1071 			dev_dbg(component->dev, "disabling jack detect before suspend\n");
1072 			snd_soc_component_set_jack(component, NULL, NULL);
1073 			break;
1074 		}
1075 	}
1076 
1077 	return 0;
1078 }
1079 
1080 static int byt_rt5640_resume(struct snd_soc_card *card)
1081 {
1082 	struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card);
1083 	struct snd_soc_component *component;
1084 
1085 	if (!BYT_RT5640_JDSRC(byt_rt5640_quirk))
1086 		return 0;
1087 
1088 	for_each_card_components(card, component) {
1089 		if (!strcmp(component->name, byt_rt5640_codec_name)) {
1090 			dev_dbg(component->dev, "re-enabling jack detect after resume\n");
1091 			snd_soc_component_set_jack(component, &priv->jack, NULL);
1092 			break;
1093 		}
1094 	}
1095 
1096 	return 0;
1097 }
1098 
1099 static struct snd_soc_card byt_rt5640_card = {
1100 	.name = "bytcr-rt5640",
1101 	.owner = THIS_MODULE,
1102 	.dai_link = byt_rt5640_dais,
1103 	.num_links = ARRAY_SIZE(byt_rt5640_dais),
1104 	.dapm_widgets = byt_rt5640_widgets,
1105 	.num_dapm_widgets = ARRAY_SIZE(byt_rt5640_widgets),
1106 	.dapm_routes = byt_rt5640_audio_map,
1107 	.num_dapm_routes = ARRAY_SIZE(byt_rt5640_audio_map),
1108 	.fully_routed = true,
1109 	.suspend_pre = byt_rt5640_suspend,
1110 	.resume_post = byt_rt5640_resume,
1111 };
1112 
1113 struct acpi_chan_package {   /* ACPICA seems to require 64 bit integers */
1114 	u64 aif_value;       /* 1: AIF1, 2: AIF2 */
1115 	u64 mclock_value;    /* usually 25MHz (0x17d7940), ignored */
1116 };
1117 
1118 static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
1119 {
1120 	static const char * const map_name[] = { "dmic1", "dmic2", "in1", "in3" };
1121 	const struct dmi_system_id *dmi_id;
1122 	struct byt_rt5640_private *priv;
1123 	struct snd_soc_acpi_mach *mach;
1124 	const char *platform_name;
1125 	struct acpi_device *adev;
1126 	int ret_val = 0;
1127 	int dai_index = 0;
1128 	int i;
1129 
1130 	is_bytcr = false;
1131 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
1132 	if (!priv)
1133 		return -ENOMEM;
1134 
1135 	/* register the soc card */
1136 	byt_rt5640_card.dev = &pdev->dev;
1137 	mach = byt_rt5640_card.dev->platform_data;
1138 	snd_soc_card_set_drvdata(&byt_rt5640_card, priv);
1139 
1140 	/* fix index of codec dai */
1141 	for (i = 0; i < ARRAY_SIZE(byt_rt5640_dais); i++) {
1142 		if (!strcmp(byt_rt5640_dais[i].codecs->name,
1143 			    "i2c-10EC5640:00")) {
1144 			dai_index = i;
1145 			break;
1146 		}
1147 	}
1148 
1149 	/* fixup codec name based on HID */
1150 	adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1);
1151 	if (adev) {
1152 		snprintf(byt_rt5640_codec_name, sizeof(byt_rt5640_codec_name),
1153 			 "i2c-%s", acpi_dev_name(adev));
1154 		put_device(&adev->dev);
1155 		byt_rt5640_dais[dai_index].codecs->name = byt_rt5640_codec_name;
1156 	}
1157 
1158 	/*
1159 	 * swap SSP0 if bytcr is detected
1160 	 * (will be overridden if DMI quirk is detected)
1161 	 */
1162 	if (soc_intel_is_byt()) {
1163 		if (mach->mach_params.acpi_ipc_irq_index == 0)
1164 			is_bytcr = true;
1165 	}
1166 
1167 	if (is_bytcr) {
1168 		/*
1169 		 * Baytrail CR platforms may have CHAN package in BIOS, try
1170 		 * to find relevant routing quirk based as done on Windows
1171 		 * platforms. We have to read the information directly from the
1172 		 * BIOS, at this stage the card is not created and the links
1173 		 * with the codec driver/pdata are non-existent
1174 		 */
1175 
1176 		struct acpi_chan_package chan_package;
1177 
1178 		/* format specified: 2 64-bit integers */
1179 		struct acpi_buffer format = {sizeof("NN"), "NN"};
1180 		struct acpi_buffer state = {0, NULL};
1181 		struct snd_soc_acpi_package_context pkg_ctx;
1182 		bool pkg_found = false;
1183 
1184 		state.length = sizeof(chan_package);
1185 		state.pointer = &chan_package;
1186 
1187 		pkg_ctx.name = "CHAN";
1188 		pkg_ctx.length = 2;
1189 		pkg_ctx.format = &format;
1190 		pkg_ctx.state = &state;
1191 		pkg_ctx.data_valid = false;
1192 
1193 		pkg_found = snd_soc_acpi_find_package_from_hid(mach->id,
1194 							       &pkg_ctx);
1195 		if (pkg_found) {
1196 			if (chan_package.aif_value == 1) {
1197 				dev_info(&pdev->dev, "BIOS Routing: AIF1 connected\n");
1198 				byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF1;
1199 			} else  if (chan_package.aif_value == 2) {
1200 				dev_info(&pdev->dev, "BIOS Routing: AIF2 connected\n");
1201 				byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF2;
1202 			} else {
1203 				dev_info(&pdev->dev, "BIOS Routing isn't valid, ignored\n");
1204 				pkg_found = false;
1205 			}
1206 		}
1207 
1208 		if (!pkg_found) {
1209 			/* no BIOS indications, assume SSP0-AIF2 connection */
1210 			byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF2;
1211 		}
1212 
1213 		/* change defaults for Baytrail-CR capture */
1214 		byt_rt5640_quirk |= BYTCR_INPUT_DEFAULTS;
1215 	} else {
1216 		byt_rt5640_quirk |= BYT_RT5640_DMIC1_MAP |
1217 				    BYT_RT5640_JD_SRC_JD2_IN4N |
1218 				    BYT_RT5640_OVCD_TH_2000UA |
1219 				    BYT_RT5640_OVCD_SF_0P75;
1220 	}
1221 
1222 	/* check quirks before creating card */
1223 	dmi_id = dmi_first_match(byt_rt5640_quirk_table);
1224 	if (dmi_id)
1225 		byt_rt5640_quirk = (unsigned long)dmi_id->driver_data;
1226 	if (quirk_override != -1) {
1227 		dev_info(&pdev->dev, "Overriding quirk 0x%x => 0x%x\n",
1228 			 (unsigned int)byt_rt5640_quirk, quirk_override);
1229 		byt_rt5640_quirk = quirk_override;
1230 	}
1231 
1232 	/* Must be called before register_card, also see declaration comment. */
1233 	ret_val = byt_rt5640_add_codec_device_props(byt_rt5640_codec_name);
1234 	if (ret_val)
1235 		return ret_val;
1236 
1237 	log_quirks(&pdev->dev);
1238 
1239 	if ((byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) ||
1240 	    (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2))
1241 		byt_rt5640_dais[dai_index].codecs->dai_name = "rt5640-aif2";
1242 
1243 	if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
1244 	    (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2))
1245 		byt_rt5640_dais[dai_index].cpus->dai_name = "ssp0-port";
1246 
1247 	if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
1248 		priv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
1249 		if (IS_ERR(priv->mclk)) {
1250 			ret_val = PTR_ERR(priv->mclk);
1251 
1252 			dev_err(&pdev->dev,
1253 				"Failed to get MCLK from pmc_plt_clk_3: %d\n",
1254 				ret_val);
1255 
1256 			/*
1257 			 * Fall back to bit clock usage for -ENOENT (clock not
1258 			 * available likely due to missing dependencies), bail
1259 			 * for all other errors, including -EPROBE_DEFER
1260 			 */
1261 			if (ret_val != -ENOENT)
1262 				return ret_val;
1263 			byt_rt5640_quirk &= ~BYT_RT5640_MCLK_EN;
1264 		}
1265 	}
1266 
1267 	snprintf(byt_rt5640_components, sizeof(byt_rt5640_components),
1268 		 "cfg-spk:%s cfg-mic:%s",
1269 		 (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) ? "1" : "2",
1270 		 map_name[BYT_RT5640_MAP(byt_rt5640_quirk)]);
1271 	byt_rt5640_card.components = byt_rt5640_components;
1272 #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES)
1273 	snprintf(byt_rt5640_long_name, sizeof(byt_rt5640_long_name),
1274 		 "bytcr-rt5640-%s-spk-%s-mic",
1275 		 (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) ?
1276 			"mono" : "stereo",
1277 		 map_name[BYT_RT5640_MAP(byt_rt5640_quirk)]);
1278 	byt_rt5640_card.long_name = byt_rt5640_long_name;
1279 #endif
1280 
1281 	/* override plaform name, if required */
1282 	platform_name = mach->mach_params.platform;
1283 
1284 	ret_val = snd_soc_fixup_dai_links_platform_name(&byt_rt5640_card,
1285 							platform_name);
1286 	if (ret_val)
1287 		return ret_val;
1288 
1289 	ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5640_card);
1290 
1291 	if (ret_val) {
1292 		dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n",
1293 			ret_val);
1294 		return ret_val;
1295 	}
1296 	platform_set_drvdata(pdev, &byt_rt5640_card);
1297 	return ret_val;
1298 }
1299 
1300 static struct platform_driver snd_byt_rt5640_mc_driver = {
1301 	.driver = {
1302 		.name = "bytcr_rt5640",
1303 	},
1304 	.probe = snd_byt_rt5640_mc_probe,
1305 };
1306 
1307 module_platform_driver(snd_byt_rt5640_mc_driver);
1308 
1309 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver");
1310 MODULE_AUTHOR("Subhransu S. Prusty <subhransu.s.prusty@intel.com>");
1311 MODULE_LICENSE("GPL v2");
1312 MODULE_ALIAS("platform:bytcr_rt5640");
1313