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/soc-intel-quirks.h"
32 
33 enum {
34 	BYT_RT5640_DMIC1_MAP,
35 	BYT_RT5640_DMIC2_MAP,
36 	BYT_RT5640_IN1_MAP,
37 	BYT_RT5640_IN3_MAP,
38 };
39 
40 enum {
41 	BYT_RT5640_JD_SRC_GPIO1		= (RT5640_JD_SRC_GPIO1 << 4),
42 	BYT_RT5640_JD_SRC_JD1_IN4P	= (RT5640_JD_SRC_JD1_IN4P << 4),
43 	BYT_RT5640_JD_SRC_JD2_IN4N	= (RT5640_JD_SRC_JD2_IN4N << 4),
44 	BYT_RT5640_JD_SRC_GPIO2		= (RT5640_JD_SRC_GPIO2 << 4),
45 	BYT_RT5640_JD_SRC_GPIO3		= (RT5640_JD_SRC_GPIO3 << 4),
46 	BYT_RT5640_JD_SRC_GPIO4		= (RT5640_JD_SRC_GPIO4 << 4),
47 };
48 
49 enum {
50 	BYT_RT5640_OVCD_TH_600UA	= (6 << 8),
51 	BYT_RT5640_OVCD_TH_1500UA	= (15 << 8),
52 	BYT_RT5640_OVCD_TH_2000UA	= (20 << 8),
53 };
54 
55 enum {
56 	BYT_RT5640_OVCD_SF_0P5		= (RT5640_OVCD_SF_0P5 << 13),
57 	BYT_RT5640_OVCD_SF_0P75		= (RT5640_OVCD_SF_0P75 << 13),
58 	BYT_RT5640_OVCD_SF_1P0		= (RT5640_OVCD_SF_1P0 << 13),
59 	BYT_RT5640_OVCD_SF_1P5		= (RT5640_OVCD_SF_1P5 << 13),
60 };
61 
62 #define BYT_RT5640_MAP(quirk)		((quirk) &  GENMASK(3, 0))
63 #define BYT_RT5640_JDSRC(quirk)		(((quirk) & GENMASK(7, 4)) >> 4)
64 #define BYT_RT5640_OVCD_TH(quirk)	(((quirk) & GENMASK(12, 8)) >> 8)
65 #define BYT_RT5640_OVCD_SF(quirk)	(((quirk) & GENMASK(14, 13)) >> 13)
66 #define BYT_RT5640_JD_NOT_INV		BIT(16)
67 #define BYT_RT5640_MONO_SPEAKER		BIT(17)
68 #define BYT_RT5640_DIFF_MIC		BIT(18) /* default is single-ended */
69 #define BYT_RT5640_SSP2_AIF2		BIT(19) /* default is using AIF1  */
70 #define BYT_RT5640_SSP0_AIF1		BIT(20)
71 #define BYT_RT5640_SSP0_AIF2		BIT(21)
72 #define BYT_RT5640_MCLK_EN		BIT(22)
73 #define BYT_RT5640_MCLK_25MHZ		BIT(23)
74 
75 #define BYTCR_INPUT_DEFAULTS				\
76 	(BYT_RT5640_IN3_MAP |				\
77 	 BYT_RT5640_JD_SRC_JD1_IN4P |			\
78 	 BYT_RT5640_OVCD_TH_2000UA |			\
79 	 BYT_RT5640_OVCD_SF_0P75 |			\
80 	 BYT_RT5640_DIFF_MIC)
81 
82 /* in-diff or dmic-pin + jdsrc + ovcd-th + -sf + jd-inv + terminating entry */
83 #define MAX_NO_PROPS 6
84 
85 struct byt_rt5640_private {
86 	struct snd_soc_jack jack;
87 	struct clk *mclk;
88 };
89 static bool is_bytcr;
90 
91 static unsigned long byt_rt5640_quirk = BYT_RT5640_MCLK_EN;
92 static int quirk_override = -1;
93 module_param_named(quirk, quirk_override, int, 0444);
94 MODULE_PARM_DESC(quirk, "Board-specific quirk override");
95 
96 static void log_quirks(struct device *dev)
97 {
98 	int map;
99 	bool has_mclk = false;
100 	bool has_ssp0 = false;
101 	bool has_ssp0_aif1 = false;
102 	bool has_ssp0_aif2 = false;
103 	bool has_ssp2_aif2 = false;
104 
105 	map = BYT_RT5640_MAP(byt_rt5640_quirk);
106 	switch (map) {
107 	case BYT_RT5640_DMIC1_MAP:
108 		dev_info(dev, "quirk DMIC1_MAP enabled\n");
109 		break;
110 	case BYT_RT5640_DMIC2_MAP:
111 		dev_info(dev, "quirk DMIC2_MAP enabled\n");
112 		break;
113 	case BYT_RT5640_IN1_MAP:
114 		dev_info(dev, "quirk IN1_MAP enabled\n");
115 		break;
116 	case BYT_RT5640_IN3_MAP:
117 		dev_info(dev, "quirk IN3_MAP enabled\n");
118 		break;
119 	default:
120 		dev_err(dev, "quirk map 0x%x is not supported, microphone input will not work\n", map);
121 		break;
122 	}
123 	if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) {
124 		dev_info(dev, "quirk realtek,jack-detect-source %ld\n",
125 			 BYT_RT5640_JDSRC(byt_rt5640_quirk));
126 		dev_info(dev, "quirk realtek,over-current-threshold-microamp %ld\n",
127 			 BYT_RT5640_OVCD_TH(byt_rt5640_quirk) * 100);
128 		dev_info(dev, "quirk realtek,over-current-scale-factor %ld\n",
129 			 BYT_RT5640_OVCD_SF(byt_rt5640_quirk));
130 	}
131 	if (byt_rt5640_quirk & BYT_RT5640_JD_NOT_INV)
132 		dev_info(dev, "quirk JD_NOT_INV enabled\n");
133 	if (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER)
134 		dev_info(dev, "quirk MONO_SPEAKER enabled\n");
135 	if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC)
136 		dev_info(dev, "quirk DIFF_MIC enabled\n");
137 	if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) {
138 		dev_info(dev, "quirk SSP0_AIF1 enabled\n");
139 		has_ssp0 = true;
140 		has_ssp0_aif1 = true;
141 	}
142 	if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2) {
143 		dev_info(dev, "quirk SSP0_AIF2 enabled\n");
144 		has_ssp0 = true;
145 		has_ssp0_aif2 = true;
146 	}
147 	if (byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) {
148 		dev_info(dev, "quirk SSP2_AIF2 enabled\n");
149 		has_ssp2_aif2 = true;
150 	}
151 	if (is_bytcr && !has_ssp0)
152 		dev_err(dev, "Invalid routing, bytcr detected but no SSP0-based quirk, audio cannot work with SSP2 on bytcr\n");
153 	if (has_ssp0_aif1 && has_ssp0_aif2)
154 		dev_err(dev, "Invalid routing, SSP0 cannot be connected to both AIF1 and AIF2\n");
155 	if (has_ssp0 && has_ssp2_aif2)
156 		dev_err(dev, "Invalid routing, cannot have both SSP0 and SSP2 connected to codec\n");
157 
158 	if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
159 		dev_info(dev, "quirk MCLK_EN enabled\n");
160 		has_mclk = true;
161 	}
162 	if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ) {
163 		if (has_mclk)
164 			dev_info(dev, "quirk MCLK_25MHZ enabled\n");
165 		else
166 			dev_err(dev, "quirk MCLK_25MHZ enabled but quirk MCLK not selected, will be ignored\n");
167 	}
168 }
169 
170 static int byt_rt5640_prepare_and_enable_pll1(struct snd_soc_dai *codec_dai,
171 					      int rate)
172 {
173 	int ret;
174 
175 	/* Configure the PLL before selecting it */
176 	if (!(byt_rt5640_quirk & BYT_RT5640_MCLK_EN)) {
177 		/* use bitclock as PLL input */
178 		if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
179 		    (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
180 			/* 2x16 bit slots on SSP0 */
181 			ret = snd_soc_dai_set_pll(codec_dai, 0,
182 						  RT5640_PLL1_S_BCLK1,
183 						  rate * 32, rate * 512);
184 		} else {
185 			/* 2x15 bit slots on SSP2 */
186 			ret = snd_soc_dai_set_pll(codec_dai, 0,
187 						  RT5640_PLL1_S_BCLK1,
188 						  rate * 50, rate * 512);
189 		}
190 	} else {
191 		if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ) {
192 			ret = snd_soc_dai_set_pll(codec_dai, 0,
193 						  RT5640_PLL1_S_MCLK,
194 						  25000000, rate * 512);
195 		} else {
196 			ret = snd_soc_dai_set_pll(codec_dai, 0,
197 						  RT5640_PLL1_S_MCLK,
198 						  19200000, rate * 512);
199 		}
200 	}
201 
202 	if (ret < 0) {
203 		dev_err(codec_dai->component->dev, "can't set pll: %d\n", ret);
204 		return ret;
205 	}
206 
207 	ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_PLL1,
208 				     rate * 512, SND_SOC_CLOCK_IN);
209 	if (ret < 0) {
210 		dev_err(codec_dai->component->dev, "can't set clock %d\n", ret);
211 		return ret;
212 	}
213 
214 	return 0;
215 }
216 
217 #define BYT_CODEC_DAI1	"rt5640-aif1"
218 #define BYT_CODEC_DAI2	"rt5640-aif2"
219 
220 static int platform_clock_control(struct snd_soc_dapm_widget *w,
221 				  struct snd_kcontrol *k, int  event)
222 {
223 	struct snd_soc_dapm_context *dapm = w->dapm;
224 	struct snd_soc_card *card = dapm->card;
225 	struct snd_soc_dai *codec_dai;
226 	struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card);
227 	int ret;
228 
229 	codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI1);
230 	if (!codec_dai)
231 		codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI2);
232 
233 	if (!codec_dai) {
234 		dev_err(card->dev,
235 			"Codec dai not found; Unable to set platform clock\n");
236 		return -EIO;
237 	}
238 
239 	if (SND_SOC_DAPM_EVENT_ON(event)) {
240 		if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
241 			ret = clk_prepare_enable(priv->mclk);
242 			if (ret < 0) {
243 				dev_err(card->dev,
244 					"could not configure MCLK state\n");
245 				return ret;
246 			}
247 		}
248 		ret = byt_rt5640_prepare_and_enable_pll1(codec_dai, 48000);
249 	} else {
250 		/*
251 		 * Set codec clock source to internal clock before
252 		 * turning off the platform clock. Codec needs clock
253 		 * for Jack detection and button press
254 		 */
255 		ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_RCCLK,
256 					     48000 * 512,
257 					     SND_SOC_CLOCK_IN);
258 		if (!ret) {
259 			if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN)
260 				clk_disable_unprepare(priv->mclk);
261 		}
262 	}
263 
264 	if (ret < 0) {
265 		dev_err(card->dev, "can't set codec sysclk: %d\n", ret);
266 		return ret;
267 	}
268 
269 	return 0;
270 }
271 
272 static const struct snd_soc_dapm_widget byt_rt5640_widgets[] = {
273 	SND_SOC_DAPM_HP("Headphone", NULL),
274 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
275 	SND_SOC_DAPM_MIC("Internal Mic", NULL),
276 	SND_SOC_DAPM_SPK("Speaker", NULL),
277 	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
278 			    platform_clock_control, SND_SOC_DAPM_PRE_PMU |
279 			    SND_SOC_DAPM_POST_PMD),
280 
281 };
282 
283 static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = {
284 	{"Headphone", NULL, "Platform Clock"},
285 	{"Headset Mic", NULL, "Platform Clock"},
286 	{"Internal Mic", NULL, "Platform Clock"},
287 	{"Speaker", NULL, "Platform Clock"},
288 
289 	{"Headset Mic", NULL, "MICBIAS1"},
290 	{"IN2P", NULL, "Headset Mic"},
291 	{"Headphone", NULL, "HPOL"},
292 	{"Headphone", NULL, "HPOR"},
293 };
294 
295 static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic1_map[] = {
296 	{"DMIC1", NULL, "Internal Mic"},
297 };
298 
299 static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic2_map[] = {
300 	{"DMIC2", NULL, "Internal Mic"},
301 };
302 
303 static const struct snd_soc_dapm_route byt_rt5640_intmic_in1_map[] = {
304 	{"Internal Mic", NULL, "MICBIAS1"},
305 	{"IN1P", NULL, "Internal Mic"},
306 };
307 
308 static const struct snd_soc_dapm_route byt_rt5640_intmic_in3_map[] = {
309 	{"Internal Mic", NULL, "MICBIAS1"},
310 	{"IN3P", NULL, "Internal Mic"},
311 };
312 
313 static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif1_map[] = {
314 	{"ssp2 Tx", NULL, "codec_out0"},
315 	{"ssp2 Tx", NULL, "codec_out1"},
316 	{"codec_in0", NULL, "ssp2 Rx"},
317 	{"codec_in1", NULL, "ssp2 Rx"},
318 
319 	{"AIF1 Playback", NULL, "ssp2 Tx"},
320 	{"ssp2 Rx", NULL, "AIF1 Capture"},
321 };
322 
323 static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif2_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"},
328 
329 	{"AIF2 Playback", NULL, "ssp2 Tx"},
330 	{"ssp2 Rx", NULL, "AIF2 Capture"},
331 };
332 
333 static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif1_map[] = {
334 	{"ssp0 Tx", NULL, "modem_out"},
335 	{"modem_in", NULL, "ssp0 Rx"},
336 
337 	{"AIF1 Playback", NULL, "ssp0 Tx"},
338 	{"ssp0 Rx", NULL, "AIF1 Capture"},
339 };
340 
341 static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif2_map[] = {
342 	{"ssp0 Tx", NULL, "modem_out"},
343 	{"modem_in", NULL, "ssp0 Rx"},
344 
345 	{"AIF2 Playback", NULL, "ssp0 Tx"},
346 	{"ssp0 Rx", NULL, "AIF2 Capture"},
347 };
348 
349 static const struct snd_soc_dapm_route byt_rt5640_stereo_spk_map[] = {
350 	{"Speaker", NULL, "SPOLP"},
351 	{"Speaker", NULL, "SPOLN"},
352 	{"Speaker", NULL, "SPORP"},
353 	{"Speaker", NULL, "SPORN"},
354 };
355 
356 static const struct snd_soc_dapm_route byt_rt5640_mono_spk_map[] = {
357 	{"Speaker", NULL, "SPOLP"},
358 	{"Speaker", NULL, "SPOLN"},
359 };
360 
361 static const struct snd_kcontrol_new byt_rt5640_controls[] = {
362 	SOC_DAPM_PIN_SWITCH("Headphone"),
363 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
364 	SOC_DAPM_PIN_SWITCH("Internal Mic"),
365 	SOC_DAPM_PIN_SWITCH("Speaker"),
366 };
367 
368 static struct snd_soc_jack_pin rt5640_pins[] = {
369 	{
370 		.pin	= "Headphone",
371 		.mask	= SND_JACK_HEADPHONE,
372 	},
373 	{
374 		.pin	= "Headset Mic",
375 		.mask	= SND_JACK_MICROPHONE,
376 	},
377 };
378 
379 static int byt_rt5640_aif1_hw_params(struct snd_pcm_substream *substream,
380 					struct snd_pcm_hw_params *params)
381 {
382 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
383 	struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
384 
385 	return byt_rt5640_prepare_and_enable_pll1(dai, params_rate(params));
386 }
387 
388 /* Please keep this list alphabetically sorted */
389 static const struct dmi_system_id byt_rt5640_quirk_table[] = {
390 	{	/* Acer Iconia Tab 8 W1-810 */
391 		.matches = {
392 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Acer"),
393 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Iconia W1-810"),
394 		},
395 		.driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
396 					BYT_RT5640_JD_SRC_JD1_IN4P |
397 					BYT_RT5640_OVCD_TH_1500UA |
398 					BYT_RT5640_OVCD_SF_0P75 |
399 					BYT_RT5640_SSP0_AIF1 |
400 					BYT_RT5640_MCLK_EN),
401 	},
402 	{
403 		.matches = {
404 			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
405 			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"),
406 		},
407 		.driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
408 					BYT_RT5640_JD_SRC_JD2_IN4N |
409 					BYT_RT5640_OVCD_TH_2000UA |
410 					BYT_RT5640_OVCD_SF_0P75 |
411 					BYT_RT5640_SSP0_AIF1 |
412 					BYT_RT5640_MCLK_EN),
413 	},
414 	{
415 		.matches = {
416 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ARCHOS"),
417 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ARCHOS 80 Cesium"),
418 		},
419 		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
420 					BYT_RT5640_MONO_SPEAKER |
421 					BYT_RT5640_SSP0_AIF1 |
422 					BYT_RT5640_MCLK_EN),
423 	},
424 	{
425 		.matches = {
426 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
427 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ME176C"),
428 		},
429 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
430 					BYT_RT5640_JD_SRC_JD2_IN4N |
431 					BYT_RT5640_OVCD_TH_2000UA |
432 					BYT_RT5640_OVCD_SF_0P75 |
433 					BYT_RT5640_SSP0_AIF1 |
434 					BYT_RT5640_MCLK_EN),
435 	},
436 	{
437 		.matches = {
438 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
439 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TA"),
440 		},
441 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
442 					BYT_RT5640_JD_SRC_JD2_IN4N |
443 					BYT_RT5640_OVCD_TH_2000UA |
444 					BYT_RT5640_OVCD_SF_0P75 |
445 					BYT_RT5640_MCLK_EN),
446 	},
447 	{
448 		.matches = {
449 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
450 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TAF"),
451 		},
452 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
453 					BYT_RT5640_MONO_SPEAKER |
454 					BYT_RT5640_DIFF_MIC |
455 					BYT_RT5640_SSP0_AIF2 |
456 					BYT_RT5640_MCLK_EN),
457 	},
458 	{	/* Chuwi Vi8 (CWI506) */
459 		.matches = {
460 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"),
461 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "i86"),
462 			/* The above are too generic, also match BIOS info */
463 			DMI_MATCH(DMI_BIOS_VERSION, "CHUWI.D86JLBNR"),
464 		},
465 		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
466 					BYT_RT5640_MONO_SPEAKER |
467 					BYT_RT5640_SSP0_AIF1 |
468 					BYT_RT5640_MCLK_EN),
469 	},
470 	{
471 		/* Chuwi Vi10 (CWI505) */
472 		.matches = {
473 			DMI_MATCH(DMI_BOARD_VENDOR, "Hampoo"),
474 			DMI_MATCH(DMI_BOARD_NAME, "BYT-PF02"),
475 			DMI_MATCH(DMI_SYS_VENDOR, "ilife"),
476 			DMI_MATCH(DMI_PRODUCT_NAME, "S165"),
477 		},
478 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
479 					BYT_RT5640_JD_SRC_JD2_IN4N |
480 					BYT_RT5640_OVCD_TH_2000UA |
481 					BYT_RT5640_OVCD_SF_0P75 |
482 					BYT_RT5640_DIFF_MIC |
483 					BYT_RT5640_SSP0_AIF1 |
484 					BYT_RT5640_MCLK_EN),
485 	},
486 	{
487 		.matches = {
488 			DMI_MATCH(DMI_SYS_VENDOR, "Circuitco"),
489 			DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Max B3 PLATFORM"),
490 		},
491 		.driver_data = (void *)(BYT_RT5640_DMIC1_MAP),
492 	},
493 	{	/* Connect Tablet 9 */
494 		.matches = {
495 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Connect"),
496 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Tablet 9"),
497 		},
498 		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
499 					BYT_RT5640_MONO_SPEAKER |
500 					BYT_RT5640_SSP0_AIF1 |
501 					BYT_RT5640_MCLK_EN),
502 	},
503 	{
504 		.matches = {
505 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
506 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Venue 8 Pro 5830"),
507 		},
508 		.driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
509 					BYT_RT5640_JD_SRC_JD2_IN4N |
510 					BYT_RT5640_OVCD_TH_2000UA |
511 					BYT_RT5640_OVCD_SF_0P75 |
512 					BYT_RT5640_MONO_SPEAKER |
513 					BYT_RT5640_MCLK_EN),
514 	},
515 	{
516 		.matches = {
517 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
518 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP ElitePad 1000 G2"),
519 		},
520 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
521 					BYT_RT5640_MCLK_EN),
522 	},
523 	{	/* HP Pavilion x2 10-k0XX, 10-n0XX */
524 		.matches = {
525 			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
526 			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion x2 Detachable"),
527 		},
528 		.driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
529 					BYT_RT5640_JD_SRC_JD2_IN4N |
530 					BYT_RT5640_OVCD_TH_1500UA |
531 					BYT_RT5640_OVCD_SF_0P75 |
532 					BYT_RT5640_SSP0_AIF1 |
533 					BYT_RT5640_MCLK_EN),
534 	},
535 	{	/* HP Pavilion x2 10-p0XX */
536 		.matches = {
537 			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
538 			DMI_MATCH(DMI_PRODUCT_NAME, "HP x2 Detachable 10-p0XX"),
539 		},
540 		.driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
541 					BYT_RT5640_JD_SRC_JD1_IN4P |
542 					BYT_RT5640_OVCD_TH_1500UA |
543 					BYT_RT5640_OVCD_SF_0P75 |
544 					BYT_RT5640_MCLK_EN),
545 	},
546 	{	/* HP Stream 7 */
547 		.matches = {
548 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
549 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP Stream 7 Tablet"),
550 		},
551 		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
552 					BYT_RT5640_MONO_SPEAKER |
553 					BYT_RT5640_JD_NOT_INV |
554 					BYT_RT5640_SSP0_AIF1 |
555 					BYT_RT5640_MCLK_EN),
556 	},
557 	{	/* I.T.Works TW891 */
558 		.matches = {
559 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."),
560 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TW891"),
561 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."),
562 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "TW891"),
563 		},
564 		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
565 					BYT_RT5640_MONO_SPEAKER |
566 					BYT_RT5640_SSP0_AIF1 |
567 					BYT_RT5640_MCLK_EN),
568 	},
569 	{	/* Lamina I8270 / T701BR.SE */
570 		.matches = {
571 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Lamina"),
572 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "T701BR.SE"),
573 		},
574 		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
575 					BYT_RT5640_MONO_SPEAKER |
576 					BYT_RT5640_JD_NOT_INV |
577 					BYT_RT5640_SSP0_AIF1 |
578 					BYT_RT5640_MCLK_EN),
579 	},
580 	{	/* Lenovo Miix 2 8 */
581 		.matches = {
582 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
583 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "20326"),
584 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "Hiking"),
585 		},
586 		.driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
587 					BYT_RT5640_JD_SRC_JD2_IN4N |
588 					BYT_RT5640_OVCD_TH_2000UA |
589 					BYT_RT5640_OVCD_SF_0P75 |
590 					BYT_RT5640_MONO_SPEAKER |
591 					BYT_RT5640_MCLK_EN),
592 	},
593 	{	/* Linx Linx7 tablet */
594 		.matches = {
595 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LINX"),
596 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "LINX7"),
597 		},
598 		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
599 					BYT_RT5640_MONO_SPEAKER |
600 					BYT_RT5640_JD_NOT_INV |
601 					BYT_RT5640_SSP0_AIF1 |
602 					BYT_RT5640_MCLK_EN),
603 	},
604 	{	/* MPMAN Converter 9, similar hw as the I.T.Works TW891 2-in-1 */
605 		.matches = {
606 			DMI_MATCH(DMI_SYS_VENDOR, "MPMAN"),
607 			DMI_MATCH(DMI_PRODUCT_NAME, "Converter9"),
608 		},
609 		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
610 					BYT_RT5640_MONO_SPEAKER |
611 					BYT_RT5640_SSP0_AIF1 |
612 					BYT_RT5640_MCLK_EN),
613 	},
614 	{
615 		/* MPMAN MPWIN895CL */
616 		.matches = {
617 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "MPMAN"),
618 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "MPWIN8900CL"),
619 		},
620 		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
621 					BYT_RT5640_MONO_SPEAKER |
622 					BYT_RT5640_SSP0_AIF1 |
623 					BYT_RT5640_MCLK_EN),
624 	},
625 	{	/* MSI S100 tablet */
626 		.matches = {
627 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Micro-Star International Co., Ltd."),
628 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "S100"),
629 		},
630 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
631 					BYT_RT5640_JD_SRC_JD2_IN4N |
632 					BYT_RT5640_OVCD_TH_2000UA |
633 					BYT_RT5640_OVCD_SF_0P75 |
634 					BYT_RT5640_MONO_SPEAKER |
635 					BYT_RT5640_DIFF_MIC |
636 					BYT_RT5640_MCLK_EN),
637 	},
638 	{	/* Nuvison/TMax TM800W560 */
639 		.matches = {
640 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TMAX"),
641 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TM800W560L"),
642 		},
643 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
644 					BYT_RT5640_JD_SRC_JD2_IN4N |
645 					BYT_RT5640_OVCD_TH_2000UA |
646 					BYT_RT5640_OVCD_SF_0P75 |
647 					BYT_RT5640_JD_NOT_INV |
648 					BYT_RT5640_DIFF_MIC |
649 					BYT_RT5640_SSP0_AIF1 |
650 					BYT_RT5640_MCLK_EN),
651 	},
652 	{	/* Onda v975w */
653 		.matches = {
654 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
655 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
656 			/* The above are too generic, also match BIOS info */
657 			DMI_EXACT_MATCH(DMI_BIOS_VERSION, "5.6.5"),
658 			DMI_EXACT_MATCH(DMI_BIOS_DATE, "07/25/2014"),
659 		},
660 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
661 					BYT_RT5640_JD_SRC_JD2_IN4N |
662 					BYT_RT5640_OVCD_TH_2000UA |
663 					BYT_RT5640_OVCD_SF_0P75 |
664 					BYT_RT5640_DIFF_MIC |
665 					BYT_RT5640_MCLK_EN),
666 	},
667 	{	/* Pipo W4 */
668 		.matches = {
669 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
670 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
671 			/* The above are too generic, also match BIOS info */
672 			DMI_MATCH(DMI_BIOS_VERSION, "V8L_WIN32_CHIPHD"),
673 		},
674 		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
675 					BYT_RT5640_MONO_SPEAKER |
676 					BYT_RT5640_SSP0_AIF1 |
677 					BYT_RT5640_MCLK_EN),
678 	},
679 	{	/* Point of View Mobii TAB-P800W (V2.0) */
680 		.matches = {
681 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
682 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
683 			/* The above are too generic, also match BIOS info */
684 			DMI_EXACT_MATCH(DMI_BIOS_VERSION, "3BAIR1014"),
685 			DMI_EXACT_MATCH(DMI_BIOS_DATE, "10/24/2014"),
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_MONO_SPEAKER |
692 					BYT_RT5640_DIFF_MIC |
693 					BYT_RT5640_SSP0_AIF2 |
694 					BYT_RT5640_MCLK_EN),
695 	},
696 	{	/* Point of View Mobii TAB-P800W (V2.1) */
697 		.matches = {
698 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
699 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
700 			/* The above are too generic, also match BIOS info */
701 			DMI_EXACT_MATCH(DMI_BIOS_VERSION, "3BAIR1013"),
702 			DMI_EXACT_MATCH(DMI_BIOS_DATE, "08/22/2014"),
703 		},
704 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
705 					BYT_RT5640_JD_SRC_JD2_IN4N |
706 					BYT_RT5640_OVCD_TH_2000UA |
707 					BYT_RT5640_OVCD_SF_0P75 |
708 					BYT_RT5640_MONO_SPEAKER |
709 					BYT_RT5640_DIFF_MIC |
710 					BYT_RT5640_SSP0_AIF2 |
711 					BYT_RT5640_MCLK_EN),
712 	},
713 	{	/* Point of View Mobii TAB-P1005W-232 (V2.0) */
714 		.matches = {
715 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "POV"),
716 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "I102A"),
717 		},
718 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
719 					BYT_RT5640_JD_SRC_JD2_IN4N |
720 					BYT_RT5640_OVCD_TH_2000UA |
721 					BYT_RT5640_OVCD_SF_0P75 |
722 					BYT_RT5640_DIFF_MIC |
723 					BYT_RT5640_SSP0_AIF1 |
724 					BYT_RT5640_MCLK_EN),
725 	},
726 	{
727 		/* Prowise PT301 */
728 		.matches = {
729 			DMI_MATCH(DMI_SYS_VENDOR, "Prowise"),
730 			DMI_MATCH(DMI_PRODUCT_NAME, "PT301"),
731 		},
732 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
733 					BYT_RT5640_JD_SRC_JD2_IN4N |
734 					BYT_RT5640_OVCD_TH_2000UA |
735 					BYT_RT5640_OVCD_SF_0P75 |
736 					BYT_RT5640_DIFF_MIC |
737 					BYT_RT5640_SSP0_AIF1 |
738 					BYT_RT5640_MCLK_EN),
739 	},
740 	{
741 		/* Teclast X89 */
742 		.matches = {
743 			DMI_MATCH(DMI_BOARD_VENDOR, "TECLAST"),
744 			DMI_MATCH(DMI_BOARD_NAME, "tPAD"),
745 		},
746 		.driver_data = (void *)(BYT_RT5640_IN3_MAP |
747 					BYT_RT5640_JD_SRC_JD1_IN4P |
748 					BYT_RT5640_OVCD_TH_2000UA |
749 					BYT_RT5640_OVCD_SF_1P0 |
750 					BYT_RT5640_SSP0_AIF1 |
751 					BYT_RT5640_MCLK_EN),
752 	},
753 	{	/* Toshiba Satellite Click Mini L9W-B */
754 		.matches = {
755 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
756 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SATELLITE Click Mini L9W-B"),
757 		},
758 		.driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
759 					BYT_RT5640_JD_SRC_JD2_IN4N |
760 					BYT_RT5640_OVCD_TH_1500UA |
761 					BYT_RT5640_OVCD_SF_0P75 |
762 					BYT_RT5640_SSP0_AIF1 |
763 					BYT_RT5640_MCLK_EN),
764 	},
765 	{	/* Toshiba Encore WT8-A */
766 		.matches = {
767 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
768 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TOSHIBA WT8-A"),
769 		},
770 		.driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
771 					BYT_RT5640_JD_SRC_JD2_IN4N |
772 					BYT_RT5640_OVCD_TH_2000UA |
773 					BYT_RT5640_OVCD_SF_0P75 |
774 					BYT_RT5640_JD_NOT_INV |
775 					BYT_RT5640_MCLK_EN),
776 	},
777 	{	/* Toshiba Encore WT10-A */
778 		.matches = {
779 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
780 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TOSHIBA WT10-A-103"),
781 		},
782 		.driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
783 					BYT_RT5640_JD_SRC_JD1_IN4P |
784 					BYT_RT5640_OVCD_TH_2000UA |
785 					BYT_RT5640_OVCD_SF_0P75 |
786 					BYT_RT5640_SSP0_AIF2 |
787 					BYT_RT5640_MCLK_EN),
788 	},
789 	{	/* Catch-all for generic Insyde tablets, must be last */
790 		.matches = {
791 			DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
792 		},
793 		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
794 					BYT_RT5640_MCLK_EN |
795 					BYT_RT5640_SSP0_AIF1),
796 
797 	},
798 	{}
799 };
800 
801 /*
802  * Note this MUST be called before snd_soc_register_card(), so that the props
803  * are in place before the codec component driver's probe function parses them.
804  */
805 static int byt_rt5640_add_codec_device_props(const char *i2c_dev_name)
806 {
807 	struct property_entry props[MAX_NO_PROPS] = {};
808 	struct device *i2c_dev;
809 	int ret, cnt = 0;
810 
811 	i2c_dev = bus_find_device_by_name(&i2c_bus_type, NULL, i2c_dev_name);
812 	if (!i2c_dev)
813 		return -EPROBE_DEFER;
814 
815 	switch (BYT_RT5640_MAP(byt_rt5640_quirk)) {
816 	case BYT_RT5640_DMIC1_MAP:
817 		props[cnt++] = PROPERTY_ENTRY_U32("realtek,dmic1-data-pin",
818 						  RT5640_DMIC1_DATA_PIN_IN1P);
819 		break;
820 	case BYT_RT5640_DMIC2_MAP:
821 		props[cnt++] = PROPERTY_ENTRY_U32("realtek,dmic2-data-pin",
822 						  RT5640_DMIC2_DATA_PIN_IN1N);
823 		break;
824 	case BYT_RT5640_IN1_MAP:
825 		if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC)
826 			props[cnt++] =
827 				PROPERTY_ENTRY_BOOL("realtek,in1-differential");
828 		break;
829 	case BYT_RT5640_IN3_MAP:
830 		if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC)
831 			props[cnt++] =
832 				PROPERTY_ENTRY_BOOL("realtek,in3-differential");
833 		break;
834 	}
835 
836 	if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) {
837 		props[cnt++] = PROPERTY_ENTRY_U32(
838 				    "realtek,jack-detect-source",
839 				    BYT_RT5640_JDSRC(byt_rt5640_quirk));
840 
841 		props[cnt++] = PROPERTY_ENTRY_U32(
842 				    "realtek,over-current-threshold-microamp",
843 				    BYT_RT5640_OVCD_TH(byt_rt5640_quirk) * 100);
844 
845 		props[cnt++] = PROPERTY_ENTRY_U32(
846 				    "realtek,over-current-scale-factor",
847 				    BYT_RT5640_OVCD_SF(byt_rt5640_quirk));
848 	}
849 
850 	if (byt_rt5640_quirk & BYT_RT5640_JD_NOT_INV)
851 		props[cnt++] = PROPERTY_ENTRY_BOOL("realtek,jack-detect-not-inverted");
852 
853 	ret = device_add_properties(i2c_dev, props);
854 	put_device(i2c_dev);
855 
856 	return ret;
857 }
858 
859 static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime)
860 {
861 	struct snd_soc_card *card = runtime->card;
862 	struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card);
863 	struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component;
864 	const struct snd_soc_dapm_route *custom_map;
865 	int num_routes;
866 	int ret;
867 
868 	card->dapm.idle_bias_off = true;
869 
870 	/* Start with RC clk for jack-detect (we disable MCLK below) */
871 	if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN)
872 		snd_soc_component_update_bits(component, RT5640_GLB_CLK,
873 			RT5640_SCLK_SRC_MASK, RT5640_SCLK_SRC_RCCLK);
874 
875 	rt5640_sel_asrc_clk_src(component,
876 				RT5640_DA_STEREO_FILTER |
877 				RT5640_DA_MONO_L_FILTER	|
878 				RT5640_DA_MONO_R_FILTER	|
879 				RT5640_AD_STEREO_FILTER	|
880 				RT5640_AD_MONO_L_FILTER	|
881 				RT5640_AD_MONO_R_FILTER,
882 				RT5640_CLK_SEL_ASRC);
883 
884 	ret = snd_soc_add_card_controls(card, byt_rt5640_controls,
885 					ARRAY_SIZE(byt_rt5640_controls));
886 	if (ret) {
887 		dev_err(card->dev, "unable to add card controls\n");
888 		return ret;
889 	}
890 
891 	switch (BYT_RT5640_MAP(byt_rt5640_quirk)) {
892 	case BYT_RT5640_IN1_MAP:
893 		custom_map = byt_rt5640_intmic_in1_map;
894 		num_routes = ARRAY_SIZE(byt_rt5640_intmic_in1_map);
895 		break;
896 	case BYT_RT5640_IN3_MAP:
897 		custom_map = byt_rt5640_intmic_in3_map;
898 		num_routes = ARRAY_SIZE(byt_rt5640_intmic_in3_map);
899 		break;
900 	case BYT_RT5640_DMIC2_MAP:
901 		custom_map = byt_rt5640_intmic_dmic2_map;
902 		num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic2_map);
903 		break;
904 	default:
905 		custom_map = byt_rt5640_intmic_dmic1_map;
906 		num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic1_map);
907 	}
908 
909 	ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
910 	if (ret)
911 		return ret;
912 
913 	if (byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) {
914 		ret = snd_soc_dapm_add_routes(&card->dapm,
915 					byt_rt5640_ssp2_aif2_map,
916 					ARRAY_SIZE(byt_rt5640_ssp2_aif2_map));
917 	} else if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) {
918 		ret = snd_soc_dapm_add_routes(&card->dapm,
919 					byt_rt5640_ssp0_aif1_map,
920 					ARRAY_SIZE(byt_rt5640_ssp0_aif1_map));
921 	} else if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2) {
922 		ret = snd_soc_dapm_add_routes(&card->dapm,
923 					byt_rt5640_ssp0_aif2_map,
924 					ARRAY_SIZE(byt_rt5640_ssp0_aif2_map));
925 	} else {
926 		ret = snd_soc_dapm_add_routes(&card->dapm,
927 					byt_rt5640_ssp2_aif1_map,
928 					ARRAY_SIZE(byt_rt5640_ssp2_aif1_map));
929 	}
930 	if (ret)
931 		return ret;
932 
933 	if (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) {
934 		ret = snd_soc_dapm_add_routes(&card->dapm,
935 					byt_rt5640_mono_spk_map,
936 					ARRAY_SIZE(byt_rt5640_mono_spk_map));
937 	} else {
938 		ret = snd_soc_dapm_add_routes(&card->dapm,
939 					byt_rt5640_stereo_spk_map,
940 					ARRAY_SIZE(byt_rt5640_stereo_spk_map));
941 	}
942 	if (ret)
943 		return ret;
944 
945 	if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
946 		/*
947 		 * The firmware might enable the clock at
948 		 * boot (this information may or may not
949 		 * be reflected in the enable clock register).
950 		 * To change the rate we must disable the clock
951 		 * first to cover these cases. Due to common
952 		 * clock framework restrictions that do not allow
953 		 * to disable a clock that has not been enabled,
954 		 * we need to enable the clock first.
955 		 */
956 		ret = clk_prepare_enable(priv->mclk);
957 		if (!ret)
958 			clk_disable_unprepare(priv->mclk);
959 
960 		if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ)
961 			ret = clk_set_rate(priv->mclk, 25000000);
962 		else
963 			ret = clk_set_rate(priv->mclk, 19200000);
964 
965 		if (ret) {
966 			dev_err(card->dev, "unable to set MCLK rate\n");
967 			return ret;
968 		}
969 	}
970 
971 	if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) {
972 		ret = snd_soc_card_jack_new(card, "Headset",
973 					    SND_JACK_HEADSET | SND_JACK_BTN_0,
974 					    &priv->jack, rt5640_pins,
975 					    ARRAY_SIZE(rt5640_pins));
976 		if (ret) {
977 			dev_err(card->dev, "Jack creation failed %d\n", ret);
978 			return ret;
979 		}
980 		snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0,
981 				 KEY_PLAYPAUSE);
982 		snd_soc_component_set_jack(component, &priv->jack, NULL);
983 	}
984 
985 	return 0;
986 }
987 
988 static int byt_rt5640_codec_fixup(struct snd_soc_pcm_runtime *rtd,
989 			    struct snd_pcm_hw_params *params)
990 {
991 	struct snd_interval *rate = hw_param_interval(params,
992 			SNDRV_PCM_HW_PARAM_RATE);
993 	struct snd_interval *channels = hw_param_interval(params,
994 						SNDRV_PCM_HW_PARAM_CHANNELS);
995 	int ret, bits;
996 
997 	/* The DSP will covert the FE rate to 48k, stereo */
998 	rate->min = rate->max = 48000;
999 	channels->min = channels->max = 2;
1000 
1001 	if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
1002 	    (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
1003 		/* set SSP0 to 16-bit */
1004 		params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
1005 		bits = 16;
1006 	} else {
1007 		/* set SSP2 to 24-bit */
1008 		params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
1009 		bits = 24;
1010 	}
1011 
1012 	/*
1013 	 * Default mode for SSP configuration is TDM 4 slot, override config
1014 	 * with explicit setting to I2S 2ch. The word length is set with
1015 	 * dai_set_tdm_slot() since there is no other API exposed
1016 	 */
1017 	ret = snd_soc_dai_set_fmt(asoc_rtd_to_cpu(rtd, 0),
1018 				  SND_SOC_DAIFMT_I2S     |
1019 				  SND_SOC_DAIFMT_NB_NF   |
1020 				  SND_SOC_DAIFMT_CBS_CFS);
1021 	if (ret < 0) {
1022 		dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
1023 		return ret;
1024 	}
1025 
1026 	ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 2, bits);
1027 	if (ret < 0) {
1028 		dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
1029 		return ret;
1030 	}
1031 
1032 	return 0;
1033 }
1034 
1035 static int byt_rt5640_aif1_startup(struct snd_pcm_substream *substream)
1036 {
1037 	return snd_pcm_hw_constraint_single(substream->runtime,
1038 			SNDRV_PCM_HW_PARAM_RATE, 48000);
1039 }
1040 
1041 static const struct snd_soc_ops byt_rt5640_aif1_ops = {
1042 	.startup = byt_rt5640_aif1_startup,
1043 };
1044 
1045 static const struct snd_soc_ops byt_rt5640_be_ssp2_ops = {
1046 	.hw_params = byt_rt5640_aif1_hw_params,
1047 };
1048 
1049 SND_SOC_DAILINK_DEF(dummy,
1050 	DAILINK_COMP_ARRAY(COMP_DUMMY()));
1051 
1052 SND_SOC_DAILINK_DEF(media,
1053 	DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
1054 
1055 SND_SOC_DAILINK_DEF(deepbuffer,
1056 	DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
1057 
1058 SND_SOC_DAILINK_DEF(ssp2_port,
1059 	/* overwritten for ssp0 routing */
1060 	DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
1061 SND_SOC_DAILINK_DEF(ssp2_codec,
1062 	DAILINK_COMP_ARRAY(COMP_CODEC(
1063 	/* overwritten with HID */ "i2c-10EC5640:00",
1064 	/* changed w/ quirk */	"rt5640-aif1")));
1065 
1066 SND_SOC_DAILINK_DEF(platform,
1067 	DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
1068 
1069 static struct snd_soc_dai_link byt_rt5640_dais[] = {
1070 	[MERR_DPCM_AUDIO] = {
1071 		.name = "Baytrail Audio Port",
1072 		.stream_name = "Baytrail Audio",
1073 		.nonatomic = true,
1074 		.dynamic = 1,
1075 		.dpcm_playback = 1,
1076 		.dpcm_capture = 1,
1077 		.ops = &byt_rt5640_aif1_ops,
1078 		SND_SOC_DAILINK_REG(media, dummy, platform),
1079 	},
1080 	[MERR_DPCM_DEEP_BUFFER] = {
1081 		.name = "Deep-Buffer Audio Port",
1082 		.stream_name = "Deep-Buffer Audio",
1083 		.nonatomic = true,
1084 		.dynamic = 1,
1085 		.dpcm_playback = 1,
1086 		.ops = &byt_rt5640_aif1_ops,
1087 		SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
1088 	},
1089 		/* back ends */
1090 	{
1091 		.name = "SSP2-Codec",
1092 		.id = 0,
1093 		.no_pcm = 1,
1094 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
1095 						| SND_SOC_DAIFMT_CBS_CFS,
1096 		.be_hw_params_fixup = byt_rt5640_codec_fixup,
1097 		.nonatomic = true,
1098 		.dpcm_playback = 1,
1099 		.dpcm_capture = 1,
1100 		.init = byt_rt5640_init,
1101 		.ops = &byt_rt5640_be_ssp2_ops,
1102 		SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform),
1103 	},
1104 };
1105 
1106 /* SoC card */
1107 static char byt_rt5640_codec_name[SND_ACPI_I2C_ID_LEN];
1108 #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES)
1109 static char byt_rt5640_long_name[40]; /* = "bytcr-rt5640-*-spk-*-mic" */
1110 #endif
1111 static char byt_rt5640_components[32]; /* = "cfg-spk:* cfg-mic:*" */
1112 
1113 static int byt_rt5640_suspend(struct snd_soc_card *card)
1114 {
1115 	struct snd_soc_component *component;
1116 
1117 	if (!BYT_RT5640_JDSRC(byt_rt5640_quirk))
1118 		return 0;
1119 
1120 	for_each_card_components(card, component) {
1121 		if (!strcmp(component->name, byt_rt5640_codec_name)) {
1122 			dev_dbg(component->dev, "disabling jack detect before suspend\n");
1123 			snd_soc_component_set_jack(component, NULL, NULL);
1124 			break;
1125 		}
1126 	}
1127 
1128 	return 0;
1129 }
1130 
1131 static int byt_rt5640_resume(struct snd_soc_card *card)
1132 {
1133 	struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card);
1134 	struct snd_soc_component *component;
1135 
1136 	if (!BYT_RT5640_JDSRC(byt_rt5640_quirk))
1137 		return 0;
1138 
1139 	for_each_card_components(card, component) {
1140 		if (!strcmp(component->name, byt_rt5640_codec_name)) {
1141 			dev_dbg(component->dev, "re-enabling jack detect after resume\n");
1142 			snd_soc_component_set_jack(component, &priv->jack, NULL);
1143 			break;
1144 		}
1145 	}
1146 
1147 	return 0;
1148 }
1149 
1150 #if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
1151 /* use space before codec name to simplify card ID, and simplify driver name */
1152 #define CARD_NAME "bytcht rt5640" /* card name will be 'sof-bytcht rt5640' */
1153 #define DRIVER_NAME "SOF"
1154 #else
1155 #define CARD_NAME "bytcr-rt5640"
1156 #define DRIVER_NAME NULL /* card name will be used for driver name */
1157 #endif
1158 
1159 static struct snd_soc_card byt_rt5640_card = {
1160 	.name = CARD_NAME,
1161 	.driver_name = DRIVER_NAME,
1162 	.owner = THIS_MODULE,
1163 	.dai_link = byt_rt5640_dais,
1164 	.num_links = ARRAY_SIZE(byt_rt5640_dais),
1165 	.dapm_widgets = byt_rt5640_widgets,
1166 	.num_dapm_widgets = ARRAY_SIZE(byt_rt5640_widgets),
1167 	.dapm_routes = byt_rt5640_audio_map,
1168 	.num_dapm_routes = ARRAY_SIZE(byt_rt5640_audio_map),
1169 	.fully_routed = true,
1170 	.suspend_pre = byt_rt5640_suspend,
1171 	.resume_post = byt_rt5640_resume,
1172 };
1173 
1174 struct acpi_chan_package {   /* ACPICA seems to require 64 bit integers */
1175 	u64 aif_value;       /* 1: AIF1, 2: AIF2 */
1176 	u64 mclock_value;    /* usually 25MHz (0x17d7940), ignored */
1177 };
1178 
1179 static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
1180 {
1181 	static const char * const map_name[] = { "dmic1", "dmic2", "in1", "in3" };
1182 	const struct dmi_system_id *dmi_id;
1183 	struct byt_rt5640_private *priv;
1184 	struct snd_soc_acpi_mach *mach;
1185 	const char *platform_name;
1186 	struct acpi_device *adev;
1187 	int ret_val = 0;
1188 	int dai_index = 0;
1189 	int i;
1190 
1191 	is_bytcr = false;
1192 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
1193 	if (!priv)
1194 		return -ENOMEM;
1195 
1196 	/* register the soc card */
1197 	byt_rt5640_card.dev = &pdev->dev;
1198 	mach = byt_rt5640_card.dev->platform_data;
1199 	snd_soc_card_set_drvdata(&byt_rt5640_card, priv);
1200 
1201 	/* fix index of codec dai */
1202 	for (i = 0; i < ARRAY_SIZE(byt_rt5640_dais); i++) {
1203 		if (!strcmp(byt_rt5640_dais[i].codecs->name,
1204 			    "i2c-10EC5640:00")) {
1205 			dai_index = i;
1206 			break;
1207 		}
1208 	}
1209 
1210 	/* fixup codec name based on HID */
1211 	adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1);
1212 	if (adev) {
1213 		snprintf(byt_rt5640_codec_name, sizeof(byt_rt5640_codec_name),
1214 			 "i2c-%s", acpi_dev_name(adev));
1215 		put_device(&adev->dev);
1216 		byt_rt5640_dais[dai_index].codecs->name = byt_rt5640_codec_name;
1217 	}
1218 
1219 	/*
1220 	 * swap SSP0 if bytcr is detected
1221 	 * (will be overridden if DMI quirk is detected)
1222 	 */
1223 	if (soc_intel_is_byt()) {
1224 		if (mach->mach_params.acpi_ipc_irq_index == 0)
1225 			is_bytcr = true;
1226 	}
1227 
1228 	if (is_bytcr) {
1229 		/*
1230 		 * Baytrail CR platforms may have CHAN package in BIOS, try
1231 		 * to find relevant routing quirk based as done on Windows
1232 		 * platforms. We have to read the information directly from the
1233 		 * BIOS, at this stage the card is not created and the links
1234 		 * with the codec driver/pdata are non-existent
1235 		 */
1236 
1237 		struct acpi_chan_package chan_package;
1238 
1239 		/* format specified: 2 64-bit integers */
1240 		struct acpi_buffer format = {sizeof("NN"), "NN"};
1241 		struct acpi_buffer state = {0, NULL};
1242 		struct snd_soc_acpi_package_context pkg_ctx;
1243 		bool pkg_found = false;
1244 
1245 		state.length = sizeof(chan_package);
1246 		state.pointer = &chan_package;
1247 
1248 		pkg_ctx.name = "CHAN";
1249 		pkg_ctx.length = 2;
1250 		pkg_ctx.format = &format;
1251 		pkg_ctx.state = &state;
1252 		pkg_ctx.data_valid = false;
1253 
1254 		pkg_found = snd_soc_acpi_find_package_from_hid(mach->id,
1255 							       &pkg_ctx);
1256 		if (pkg_found) {
1257 			if (chan_package.aif_value == 1) {
1258 				dev_info(&pdev->dev, "BIOS Routing: AIF1 connected\n");
1259 				byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF1;
1260 			} else  if (chan_package.aif_value == 2) {
1261 				dev_info(&pdev->dev, "BIOS Routing: AIF2 connected\n");
1262 				byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF2;
1263 			} else {
1264 				dev_info(&pdev->dev, "BIOS Routing isn't valid, ignored\n");
1265 				pkg_found = false;
1266 			}
1267 		}
1268 
1269 		if (!pkg_found) {
1270 			/* no BIOS indications, assume SSP0-AIF2 connection */
1271 			byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF2;
1272 		}
1273 
1274 		/* change defaults for Baytrail-CR capture */
1275 		byt_rt5640_quirk |= BYTCR_INPUT_DEFAULTS;
1276 	} else {
1277 		byt_rt5640_quirk |= BYT_RT5640_DMIC1_MAP |
1278 				    BYT_RT5640_JD_SRC_JD2_IN4N |
1279 				    BYT_RT5640_OVCD_TH_2000UA |
1280 				    BYT_RT5640_OVCD_SF_0P75;
1281 	}
1282 
1283 	/* check quirks before creating card */
1284 	dmi_id = dmi_first_match(byt_rt5640_quirk_table);
1285 	if (dmi_id)
1286 		byt_rt5640_quirk = (unsigned long)dmi_id->driver_data;
1287 	if (quirk_override != -1) {
1288 		dev_info(&pdev->dev, "Overriding quirk 0x%lx => 0x%x\n",
1289 			 byt_rt5640_quirk, quirk_override);
1290 		byt_rt5640_quirk = quirk_override;
1291 	}
1292 
1293 	/* Must be called before register_card, also see declaration comment. */
1294 	ret_val = byt_rt5640_add_codec_device_props(byt_rt5640_codec_name);
1295 	if (ret_val)
1296 		return ret_val;
1297 
1298 	log_quirks(&pdev->dev);
1299 
1300 	if ((byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) ||
1301 	    (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2))
1302 		byt_rt5640_dais[dai_index].codecs->dai_name = "rt5640-aif2";
1303 
1304 	if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
1305 	    (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2))
1306 		byt_rt5640_dais[dai_index].cpus->dai_name = "ssp0-port";
1307 
1308 	if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
1309 		priv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
1310 		if (IS_ERR(priv->mclk)) {
1311 			ret_val = PTR_ERR(priv->mclk);
1312 
1313 			dev_err(&pdev->dev,
1314 				"Failed to get MCLK from pmc_plt_clk_3: %d\n",
1315 				ret_val);
1316 
1317 			/*
1318 			 * Fall back to bit clock usage for -ENOENT (clock not
1319 			 * available likely due to missing dependencies), bail
1320 			 * for all other errors, including -EPROBE_DEFER
1321 			 */
1322 			if (ret_val != -ENOENT)
1323 				return ret_val;
1324 			byt_rt5640_quirk &= ~BYT_RT5640_MCLK_EN;
1325 		}
1326 	}
1327 
1328 	snprintf(byt_rt5640_components, sizeof(byt_rt5640_components),
1329 		 "cfg-spk:%s cfg-mic:%s",
1330 		 (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) ? "1" : "2",
1331 		 map_name[BYT_RT5640_MAP(byt_rt5640_quirk)]);
1332 	byt_rt5640_card.components = byt_rt5640_components;
1333 #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES)
1334 	snprintf(byt_rt5640_long_name, sizeof(byt_rt5640_long_name),
1335 		 "bytcr-rt5640-%s-spk-%s-mic",
1336 		 (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) ?
1337 			"mono" : "stereo",
1338 		 map_name[BYT_RT5640_MAP(byt_rt5640_quirk)]);
1339 	byt_rt5640_card.long_name = byt_rt5640_long_name;
1340 #endif
1341 
1342 	/* override plaform name, if required */
1343 	platform_name = mach->mach_params.platform;
1344 
1345 	ret_val = snd_soc_fixup_dai_links_platform_name(&byt_rt5640_card,
1346 							platform_name);
1347 	if (ret_val)
1348 		return ret_val;
1349 
1350 	ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5640_card);
1351 
1352 	if (ret_val) {
1353 		dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n",
1354 			ret_val);
1355 		return ret_val;
1356 	}
1357 	platform_set_drvdata(pdev, &byt_rt5640_card);
1358 	return ret_val;
1359 }
1360 
1361 static struct platform_driver snd_byt_rt5640_mc_driver = {
1362 	.driver = {
1363 		.name = "bytcr_rt5640",
1364 #if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
1365 		.pm = &snd_soc_pm_ops,
1366 #endif
1367 	},
1368 	.probe = snd_byt_rt5640_mc_probe,
1369 };
1370 
1371 module_platform_driver(snd_byt_rt5640_mc_driver);
1372 
1373 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver");
1374 MODULE_AUTHOR("Subhransu S. Prusty <subhransu.s.prusty@intel.com>");
1375 MODULE_LICENSE("GPL v2");
1376 MODULE_ALIAS("platform:bytcr_rt5640");
1377