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 = asoc_substream_to_rtd(substream);
384 	struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
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 	{
595 		/* MPMAN MPWIN895CL */
596 		.matches = {
597 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "MPMAN"),
598 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "MPWIN8900CL"),
599 		},
600 		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
601 					BYT_RT5640_MONO_SPEAKER |
602 					BYT_RT5640_SSP0_AIF1 |
603 					BYT_RT5640_MCLK_EN),
604 	},
605 	{	/* MSI S100 tablet */
606 		.matches = {
607 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Micro-Star International Co., Ltd."),
608 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "S100"),
609 		},
610 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
611 					BYT_RT5640_JD_SRC_JD2_IN4N |
612 					BYT_RT5640_OVCD_TH_2000UA |
613 					BYT_RT5640_OVCD_SF_0P75 |
614 					BYT_RT5640_MONO_SPEAKER |
615 					BYT_RT5640_DIFF_MIC |
616 					BYT_RT5640_MCLK_EN),
617 	},
618 	{	/* Nuvison/TMax TM800W560 */
619 		.matches = {
620 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TMAX"),
621 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TM800W560L"),
622 		},
623 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
624 					BYT_RT5640_JD_SRC_JD2_IN4N |
625 					BYT_RT5640_OVCD_TH_2000UA |
626 					BYT_RT5640_OVCD_SF_0P75 |
627 					BYT_RT5640_JD_NOT_INV |
628 					BYT_RT5640_DIFF_MIC |
629 					BYT_RT5640_SSP0_AIF1 |
630 					BYT_RT5640_MCLK_EN),
631 	},
632 	{	/* Onda v975w */
633 		.matches = {
634 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
635 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
636 			/* The above are too generic, also match BIOS info */
637 			DMI_EXACT_MATCH(DMI_BIOS_VERSION, "5.6.5"),
638 			DMI_EXACT_MATCH(DMI_BIOS_DATE, "07/25/2014"),
639 		},
640 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
641 					BYT_RT5640_JD_SRC_JD2_IN4N |
642 					BYT_RT5640_OVCD_TH_2000UA |
643 					BYT_RT5640_OVCD_SF_0P75 |
644 					BYT_RT5640_DIFF_MIC |
645 					BYT_RT5640_MCLK_EN),
646 	},
647 	{	/* Pipo W4 */
648 		.matches = {
649 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
650 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
651 			/* The above are too generic, also match BIOS info */
652 			DMI_MATCH(DMI_BIOS_VERSION, "V8L_WIN32_CHIPHD"),
653 		},
654 		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
655 					BYT_RT5640_MONO_SPEAKER |
656 					BYT_RT5640_SSP0_AIF1 |
657 					BYT_RT5640_MCLK_EN),
658 	},
659 	{	/* Point of View Mobii TAB-P800W (V2.0) */
660 		.matches = {
661 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
662 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
663 			/* The above are too generic, also match BIOS info */
664 			DMI_EXACT_MATCH(DMI_BIOS_VERSION, "3BAIR1014"),
665 			DMI_EXACT_MATCH(DMI_BIOS_DATE, "10/24/2014"),
666 		},
667 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
668 					BYT_RT5640_JD_SRC_JD2_IN4N |
669 					BYT_RT5640_OVCD_TH_2000UA |
670 					BYT_RT5640_OVCD_SF_0P75 |
671 					BYT_RT5640_MONO_SPEAKER |
672 					BYT_RT5640_DIFF_MIC |
673 					BYT_RT5640_SSP0_AIF2 |
674 					BYT_RT5640_MCLK_EN),
675 	},
676 	{	/* Point of View Mobii TAB-P800W (V2.1) */
677 		.matches = {
678 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"),
679 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "Aptio CRB"),
680 			/* The above are too generic, also match BIOS info */
681 			DMI_EXACT_MATCH(DMI_BIOS_VERSION, "3BAIR1013"),
682 			DMI_EXACT_MATCH(DMI_BIOS_DATE, "08/22/2014"),
683 		},
684 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
685 					BYT_RT5640_JD_SRC_JD2_IN4N |
686 					BYT_RT5640_OVCD_TH_2000UA |
687 					BYT_RT5640_OVCD_SF_0P75 |
688 					BYT_RT5640_MONO_SPEAKER |
689 					BYT_RT5640_DIFF_MIC |
690 					BYT_RT5640_SSP0_AIF2 |
691 					BYT_RT5640_MCLK_EN),
692 	},
693 	{	/* Point of View Mobii TAB-P1005W-232 (V2.0) */
694 		.matches = {
695 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "POV"),
696 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "I102A"),
697 		},
698 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
699 					BYT_RT5640_JD_SRC_JD2_IN4N |
700 					BYT_RT5640_OVCD_TH_2000UA |
701 					BYT_RT5640_OVCD_SF_0P75 |
702 					BYT_RT5640_DIFF_MIC |
703 					BYT_RT5640_SSP0_AIF1 |
704 					BYT_RT5640_MCLK_EN),
705 	},
706 	{
707 		/* Prowise PT301 */
708 		.matches = {
709 			DMI_MATCH(DMI_SYS_VENDOR, "Prowise"),
710 			DMI_MATCH(DMI_PRODUCT_NAME, "PT301"),
711 		},
712 		.driver_data = (void *)(BYT_RT5640_IN1_MAP |
713 					BYT_RT5640_JD_SRC_JD2_IN4N |
714 					BYT_RT5640_OVCD_TH_2000UA |
715 					BYT_RT5640_OVCD_SF_0P75 |
716 					BYT_RT5640_DIFF_MIC |
717 					BYT_RT5640_SSP0_AIF1 |
718 					BYT_RT5640_MCLK_EN),
719 	},
720 	{
721 		/* Teclast X89 */
722 		.matches = {
723 			DMI_MATCH(DMI_BOARD_VENDOR, "TECLAST"),
724 			DMI_MATCH(DMI_BOARD_NAME, "tPAD"),
725 		},
726 		.driver_data = (void *)(BYT_RT5640_IN3_MAP |
727 					BYT_RT5640_JD_SRC_JD1_IN4P |
728 					BYT_RT5640_OVCD_TH_2000UA |
729 					BYT_RT5640_OVCD_SF_1P0 |
730 					BYT_RT5640_SSP0_AIF1 |
731 					BYT_RT5640_MCLK_EN),
732 	},
733 	{	/* Toshiba Satellite Click Mini L9W-B */
734 		.matches = {
735 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
736 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "SATELLITE Click Mini L9W-B"),
737 		},
738 		.driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
739 					BYT_RT5640_JD_SRC_JD2_IN4N |
740 					BYT_RT5640_OVCD_TH_1500UA |
741 					BYT_RT5640_OVCD_SF_0P75 |
742 					BYT_RT5640_SSP0_AIF1 |
743 					BYT_RT5640_MCLK_EN),
744 	},
745 	{	/* Toshiba Encore WT8-A */
746 		.matches = {
747 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
748 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TOSHIBA WT8-A"),
749 		},
750 		.driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
751 					BYT_RT5640_JD_SRC_JD2_IN4N |
752 					BYT_RT5640_OVCD_TH_2000UA |
753 					BYT_RT5640_OVCD_SF_0P75 |
754 					BYT_RT5640_JD_NOT_INV |
755 					BYT_RT5640_MCLK_EN),
756 	},
757 	{	/* Toshiba Encore WT10-A */
758 		.matches = {
759 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
760 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "TOSHIBA WT10-A-103"),
761 		},
762 		.driver_data = (void *)(BYT_RT5640_DMIC1_MAP |
763 					BYT_RT5640_JD_SRC_JD1_IN4P |
764 					BYT_RT5640_OVCD_TH_2000UA |
765 					BYT_RT5640_OVCD_SF_0P75 |
766 					BYT_RT5640_SSP0_AIF2 |
767 					BYT_RT5640_MCLK_EN),
768 	},
769 	{	/* Catch-all for generic Insyde tablets, must be last */
770 		.matches = {
771 			DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
772 		},
773 		.driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
774 					BYT_RT5640_MCLK_EN |
775 					BYT_RT5640_SSP0_AIF1),
776 
777 	},
778 	{}
779 };
780 
781 /*
782  * Note this MUST be called before snd_soc_register_card(), so that the props
783  * are in place before the codec component driver's probe function parses them.
784  */
785 static int byt_rt5640_add_codec_device_props(const char *i2c_dev_name)
786 {
787 	struct property_entry props[MAX_NO_PROPS] = {};
788 	struct device *i2c_dev;
789 	int ret, cnt = 0;
790 
791 	i2c_dev = bus_find_device_by_name(&i2c_bus_type, NULL, i2c_dev_name);
792 	if (!i2c_dev)
793 		return -EPROBE_DEFER;
794 
795 	switch (BYT_RT5640_MAP(byt_rt5640_quirk)) {
796 	case BYT_RT5640_DMIC1_MAP:
797 		props[cnt++] = PROPERTY_ENTRY_U32("realtek,dmic1-data-pin",
798 						  RT5640_DMIC1_DATA_PIN_IN1P);
799 		break;
800 	case BYT_RT5640_DMIC2_MAP:
801 		props[cnt++] = PROPERTY_ENTRY_U32("realtek,dmic2-data-pin",
802 						  RT5640_DMIC2_DATA_PIN_IN1N);
803 		break;
804 	case BYT_RT5640_IN1_MAP:
805 		if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC)
806 			props[cnt++] =
807 				PROPERTY_ENTRY_BOOL("realtek,in1-differential");
808 		break;
809 	case BYT_RT5640_IN3_MAP:
810 		if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC)
811 			props[cnt++] =
812 				PROPERTY_ENTRY_BOOL("realtek,in3-differential");
813 		break;
814 	}
815 
816 	if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) {
817 		props[cnt++] = PROPERTY_ENTRY_U32(
818 				    "realtek,jack-detect-source",
819 				    BYT_RT5640_JDSRC(byt_rt5640_quirk));
820 
821 		props[cnt++] = PROPERTY_ENTRY_U32(
822 				    "realtek,over-current-threshold-microamp",
823 				    BYT_RT5640_OVCD_TH(byt_rt5640_quirk) * 100);
824 
825 		props[cnt++] = PROPERTY_ENTRY_U32(
826 				    "realtek,over-current-scale-factor",
827 				    BYT_RT5640_OVCD_SF(byt_rt5640_quirk));
828 	}
829 
830 	if (byt_rt5640_quirk & BYT_RT5640_JD_NOT_INV)
831 		props[cnt++] = PROPERTY_ENTRY_BOOL("realtek,jack-detect-not-inverted");
832 
833 	ret = device_add_properties(i2c_dev, props);
834 	put_device(i2c_dev);
835 
836 	return ret;
837 }
838 
839 static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime)
840 {
841 	struct snd_soc_card *card = runtime->card;
842 	struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card);
843 	struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component;
844 	const struct snd_soc_dapm_route *custom_map;
845 	int num_routes;
846 	int ret;
847 
848 	card->dapm.idle_bias_off = true;
849 
850 	/* Start with RC clk for jack-detect (we disable MCLK below) */
851 	if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN)
852 		snd_soc_component_update_bits(component, RT5640_GLB_CLK,
853 			RT5640_SCLK_SRC_MASK, RT5640_SCLK_SRC_RCCLK);
854 
855 	rt5640_sel_asrc_clk_src(component,
856 				RT5640_DA_STEREO_FILTER |
857 				RT5640_DA_MONO_L_FILTER	|
858 				RT5640_DA_MONO_R_FILTER	|
859 				RT5640_AD_STEREO_FILTER	|
860 				RT5640_AD_MONO_L_FILTER	|
861 				RT5640_AD_MONO_R_FILTER,
862 				RT5640_CLK_SEL_ASRC);
863 
864 	ret = snd_soc_add_card_controls(card, byt_rt5640_controls,
865 					ARRAY_SIZE(byt_rt5640_controls));
866 	if (ret) {
867 		dev_err(card->dev, "unable to add card controls\n");
868 		return ret;
869 	}
870 
871 	switch (BYT_RT5640_MAP(byt_rt5640_quirk)) {
872 	case BYT_RT5640_IN1_MAP:
873 		custom_map = byt_rt5640_intmic_in1_map;
874 		num_routes = ARRAY_SIZE(byt_rt5640_intmic_in1_map);
875 		break;
876 	case BYT_RT5640_IN3_MAP:
877 		custom_map = byt_rt5640_intmic_in3_map;
878 		num_routes = ARRAY_SIZE(byt_rt5640_intmic_in3_map);
879 		break;
880 	case BYT_RT5640_DMIC2_MAP:
881 		custom_map = byt_rt5640_intmic_dmic2_map;
882 		num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic2_map);
883 		break;
884 	default:
885 		custom_map = byt_rt5640_intmic_dmic1_map;
886 		num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic1_map);
887 	}
888 
889 	ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
890 	if (ret)
891 		return ret;
892 
893 	if (byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) {
894 		ret = snd_soc_dapm_add_routes(&card->dapm,
895 					byt_rt5640_ssp2_aif2_map,
896 					ARRAY_SIZE(byt_rt5640_ssp2_aif2_map));
897 	} else if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) {
898 		ret = snd_soc_dapm_add_routes(&card->dapm,
899 					byt_rt5640_ssp0_aif1_map,
900 					ARRAY_SIZE(byt_rt5640_ssp0_aif1_map));
901 	} else if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2) {
902 		ret = snd_soc_dapm_add_routes(&card->dapm,
903 					byt_rt5640_ssp0_aif2_map,
904 					ARRAY_SIZE(byt_rt5640_ssp0_aif2_map));
905 	} else {
906 		ret = snd_soc_dapm_add_routes(&card->dapm,
907 					byt_rt5640_ssp2_aif1_map,
908 					ARRAY_SIZE(byt_rt5640_ssp2_aif1_map));
909 	}
910 	if (ret)
911 		return ret;
912 
913 	if (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) {
914 		ret = snd_soc_dapm_add_routes(&card->dapm,
915 					byt_rt5640_mono_spk_map,
916 					ARRAY_SIZE(byt_rt5640_mono_spk_map));
917 	} else {
918 		ret = snd_soc_dapm_add_routes(&card->dapm,
919 					byt_rt5640_stereo_spk_map,
920 					ARRAY_SIZE(byt_rt5640_stereo_spk_map));
921 	}
922 	if (ret)
923 		return ret;
924 
925 	if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
926 		/*
927 		 * The firmware might enable the clock at
928 		 * boot (this information may or may not
929 		 * be reflected in the enable clock register).
930 		 * To change the rate we must disable the clock
931 		 * first to cover these cases. Due to common
932 		 * clock framework restrictions that do not allow
933 		 * to disable a clock that has not been enabled,
934 		 * we need to enable the clock first.
935 		 */
936 		ret = clk_prepare_enable(priv->mclk);
937 		if (!ret)
938 			clk_disable_unprepare(priv->mclk);
939 
940 		if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ)
941 			ret = clk_set_rate(priv->mclk, 25000000);
942 		else
943 			ret = clk_set_rate(priv->mclk, 19200000);
944 
945 		if (ret) {
946 			dev_err(card->dev, "unable to set MCLK rate\n");
947 			return ret;
948 		}
949 	}
950 
951 	if (BYT_RT5640_JDSRC(byt_rt5640_quirk)) {
952 		ret = snd_soc_card_jack_new(card, "Headset",
953 					    SND_JACK_HEADSET | SND_JACK_BTN_0,
954 					    &priv->jack, rt5640_pins,
955 					    ARRAY_SIZE(rt5640_pins));
956 		if (ret) {
957 			dev_err(card->dev, "Jack creation failed %d\n", ret);
958 			return ret;
959 		}
960 		snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0,
961 				 KEY_PLAYPAUSE);
962 		snd_soc_component_set_jack(component, &priv->jack, NULL);
963 	}
964 
965 	return 0;
966 }
967 
968 static int byt_rt5640_codec_fixup(struct snd_soc_pcm_runtime *rtd,
969 			    struct snd_pcm_hw_params *params)
970 {
971 	struct snd_interval *rate = hw_param_interval(params,
972 			SNDRV_PCM_HW_PARAM_RATE);
973 	struct snd_interval *channels = hw_param_interval(params,
974 						SNDRV_PCM_HW_PARAM_CHANNELS);
975 	int ret, bits;
976 
977 	/* The DSP will covert the FE rate to 48k, stereo */
978 	rate->min = rate->max = 48000;
979 	channels->min = channels->max = 2;
980 
981 	if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
982 	    (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
983 		/* set SSP0 to 16-bit */
984 		params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
985 		bits = 16;
986 	} else {
987 		/* set SSP2 to 24-bit */
988 		params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
989 		bits = 24;
990 	}
991 
992 	/*
993 	 * Default mode for SSP configuration is TDM 4 slot, override config
994 	 * with explicit setting to I2S 2ch. The word length is set with
995 	 * dai_set_tdm_slot() since there is no other API exposed
996 	 */
997 	ret = snd_soc_dai_set_fmt(asoc_rtd_to_cpu(rtd, 0),
998 				  SND_SOC_DAIFMT_I2S     |
999 				  SND_SOC_DAIFMT_NB_NF   |
1000 				  SND_SOC_DAIFMT_CBS_CFS);
1001 	if (ret < 0) {
1002 		dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
1003 		return ret;
1004 	}
1005 
1006 	ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 2, bits);
1007 	if (ret < 0) {
1008 		dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
1009 		return ret;
1010 	}
1011 
1012 	return 0;
1013 }
1014 
1015 static int byt_rt5640_aif1_startup(struct snd_pcm_substream *substream)
1016 {
1017 	return snd_pcm_hw_constraint_single(substream->runtime,
1018 			SNDRV_PCM_HW_PARAM_RATE, 48000);
1019 }
1020 
1021 static const struct snd_soc_ops byt_rt5640_aif1_ops = {
1022 	.startup = byt_rt5640_aif1_startup,
1023 };
1024 
1025 static const struct snd_soc_ops byt_rt5640_be_ssp2_ops = {
1026 	.hw_params = byt_rt5640_aif1_hw_params,
1027 };
1028 
1029 SND_SOC_DAILINK_DEF(dummy,
1030 	DAILINK_COMP_ARRAY(COMP_DUMMY()));
1031 
1032 SND_SOC_DAILINK_DEF(media,
1033 	DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
1034 
1035 SND_SOC_DAILINK_DEF(deepbuffer,
1036 	DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
1037 
1038 SND_SOC_DAILINK_DEF(ssp2_port,
1039 	/* overwritten for ssp0 routing */
1040 	DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
1041 SND_SOC_DAILINK_DEF(ssp2_codec,
1042 	DAILINK_COMP_ARRAY(COMP_CODEC(
1043 	/* overwritten with HID */ "i2c-10EC5640:00",
1044 	/* changed w/ quirk */	"rt5640-aif1")));
1045 
1046 SND_SOC_DAILINK_DEF(platform,
1047 	DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
1048 
1049 static struct snd_soc_dai_link byt_rt5640_dais[] = {
1050 	[MERR_DPCM_AUDIO] = {
1051 		.name = "Baytrail Audio Port",
1052 		.stream_name = "Baytrail Audio",
1053 		.nonatomic = true,
1054 		.dynamic = 1,
1055 		.dpcm_playback = 1,
1056 		.dpcm_capture = 1,
1057 		.ops = &byt_rt5640_aif1_ops,
1058 		SND_SOC_DAILINK_REG(media, dummy, platform),
1059 	},
1060 	[MERR_DPCM_DEEP_BUFFER] = {
1061 		.name = "Deep-Buffer Audio Port",
1062 		.stream_name = "Deep-Buffer Audio",
1063 		.nonatomic = true,
1064 		.dynamic = 1,
1065 		.dpcm_playback = 1,
1066 		.ops = &byt_rt5640_aif1_ops,
1067 		SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
1068 	},
1069 		/* back ends */
1070 	{
1071 		.name = "SSP2-Codec",
1072 		.id = 0,
1073 		.no_pcm = 1,
1074 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
1075 						| SND_SOC_DAIFMT_CBS_CFS,
1076 		.be_hw_params_fixup = byt_rt5640_codec_fixup,
1077 		.nonatomic = true,
1078 		.dpcm_playback = 1,
1079 		.dpcm_capture = 1,
1080 		.init = byt_rt5640_init,
1081 		.ops = &byt_rt5640_be_ssp2_ops,
1082 		SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform),
1083 	},
1084 };
1085 
1086 /* SoC card */
1087 static char byt_rt5640_codec_name[SND_ACPI_I2C_ID_LEN];
1088 #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES)
1089 static char byt_rt5640_long_name[40]; /* = "bytcr-rt5640-*-spk-*-mic" */
1090 #endif
1091 static char byt_rt5640_components[32]; /* = "cfg-spk:* cfg-mic:*" */
1092 
1093 static int byt_rt5640_suspend(struct snd_soc_card *card)
1094 {
1095 	struct snd_soc_component *component;
1096 
1097 	if (!BYT_RT5640_JDSRC(byt_rt5640_quirk))
1098 		return 0;
1099 
1100 	for_each_card_components(card, component) {
1101 		if (!strcmp(component->name, byt_rt5640_codec_name)) {
1102 			dev_dbg(component->dev, "disabling jack detect before suspend\n");
1103 			snd_soc_component_set_jack(component, NULL, NULL);
1104 			break;
1105 		}
1106 	}
1107 
1108 	return 0;
1109 }
1110 
1111 static int byt_rt5640_resume(struct snd_soc_card *card)
1112 {
1113 	struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card);
1114 	struct snd_soc_component *component;
1115 
1116 	if (!BYT_RT5640_JDSRC(byt_rt5640_quirk))
1117 		return 0;
1118 
1119 	for_each_card_components(card, component) {
1120 		if (!strcmp(component->name, byt_rt5640_codec_name)) {
1121 			dev_dbg(component->dev, "re-enabling jack detect after resume\n");
1122 			snd_soc_component_set_jack(component, &priv->jack, NULL);
1123 			break;
1124 		}
1125 	}
1126 
1127 	return 0;
1128 }
1129 
1130 #if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
1131 /* use space before codec name to simplify card ID, and simplify driver name */
1132 #define CARD_NAME "bytcht rt5640" /* card name will be 'sof-bytcht rt5640' */
1133 #define DRIVER_NAME "SOF"
1134 #else
1135 #define CARD_NAME "bytcr-rt5640"
1136 #define DRIVER_NAME NULL /* card name will be used for driver name */
1137 #endif
1138 
1139 static struct snd_soc_card byt_rt5640_card = {
1140 	.name = CARD_NAME,
1141 	.driver_name = DRIVER_NAME,
1142 	.owner = THIS_MODULE,
1143 	.dai_link = byt_rt5640_dais,
1144 	.num_links = ARRAY_SIZE(byt_rt5640_dais),
1145 	.dapm_widgets = byt_rt5640_widgets,
1146 	.num_dapm_widgets = ARRAY_SIZE(byt_rt5640_widgets),
1147 	.dapm_routes = byt_rt5640_audio_map,
1148 	.num_dapm_routes = ARRAY_SIZE(byt_rt5640_audio_map),
1149 	.fully_routed = true,
1150 	.suspend_pre = byt_rt5640_suspend,
1151 	.resume_post = byt_rt5640_resume,
1152 };
1153 
1154 struct acpi_chan_package {   /* ACPICA seems to require 64 bit integers */
1155 	u64 aif_value;       /* 1: AIF1, 2: AIF2 */
1156 	u64 mclock_value;    /* usually 25MHz (0x17d7940), ignored */
1157 };
1158 
1159 static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
1160 {
1161 	static const char * const map_name[] = { "dmic1", "dmic2", "in1", "in3" };
1162 	const struct dmi_system_id *dmi_id;
1163 	struct byt_rt5640_private *priv;
1164 	struct snd_soc_acpi_mach *mach;
1165 	const char *platform_name;
1166 	struct acpi_device *adev;
1167 	int ret_val = 0;
1168 	int dai_index = 0;
1169 	int i;
1170 
1171 	is_bytcr = false;
1172 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
1173 	if (!priv)
1174 		return -ENOMEM;
1175 
1176 	/* register the soc card */
1177 	byt_rt5640_card.dev = &pdev->dev;
1178 	mach = byt_rt5640_card.dev->platform_data;
1179 	snd_soc_card_set_drvdata(&byt_rt5640_card, priv);
1180 
1181 	/* fix index of codec dai */
1182 	for (i = 0; i < ARRAY_SIZE(byt_rt5640_dais); i++) {
1183 		if (!strcmp(byt_rt5640_dais[i].codecs->name,
1184 			    "i2c-10EC5640:00")) {
1185 			dai_index = i;
1186 			break;
1187 		}
1188 	}
1189 
1190 	/* fixup codec name based on HID */
1191 	adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1);
1192 	if (adev) {
1193 		snprintf(byt_rt5640_codec_name, sizeof(byt_rt5640_codec_name),
1194 			 "i2c-%s", acpi_dev_name(adev));
1195 		put_device(&adev->dev);
1196 		byt_rt5640_dais[dai_index].codecs->name = byt_rt5640_codec_name;
1197 	}
1198 
1199 	/*
1200 	 * swap SSP0 if bytcr is detected
1201 	 * (will be overridden if DMI quirk is detected)
1202 	 */
1203 	if (soc_intel_is_byt()) {
1204 		if (mach->mach_params.acpi_ipc_irq_index == 0)
1205 			is_bytcr = true;
1206 	}
1207 
1208 	if (is_bytcr) {
1209 		/*
1210 		 * Baytrail CR platforms may have CHAN package in BIOS, try
1211 		 * to find relevant routing quirk based as done on Windows
1212 		 * platforms. We have to read the information directly from the
1213 		 * BIOS, at this stage the card is not created and the links
1214 		 * with the codec driver/pdata are non-existent
1215 		 */
1216 
1217 		struct acpi_chan_package chan_package;
1218 
1219 		/* format specified: 2 64-bit integers */
1220 		struct acpi_buffer format = {sizeof("NN"), "NN"};
1221 		struct acpi_buffer state = {0, NULL};
1222 		struct snd_soc_acpi_package_context pkg_ctx;
1223 		bool pkg_found = false;
1224 
1225 		state.length = sizeof(chan_package);
1226 		state.pointer = &chan_package;
1227 
1228 		pkg_ctx.name = "CHAN";
1229 		pkg_ctx.length = 2;
1230 		pkg_ctx.format = &format;
1231 		pkg_ctx.state = &state;
1232 		pkg_ctx.data_valid = false;
1233 
1234 		pkg_found = snd_soc_acpi_find_package_from_hid(mach->id,
1235 							       &pkg_ctx);
1236 		if (pkg_found) {
1237 			if (chan_package.aif_value == 1) {
1238 				dev_info(&pdev->dev, "BIOS Routing: AIF1 connected\n");
1239 				byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF1;
1240 			} else  if (chan_package.aif_value == 2) {
1241 				dev_info(&pdev->dev, "BIOS Routing: AIF2 connected\n");
1242 				byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF2;
1243 			} else {
1244 				dev_info(&pdev->dev, "BIOS Routing isn't valid, ignored\n");
1245 				pkg_found = false;
1246 			}
1247 		}
1248 
1249 		if (!pkg_found) {
1250 			/* no BIOS indications, assume SSP0-AIF2 connection */
1251 			byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF2;
1252 		}
1253 
1254 		/* change defaults for Baytrail-CR capture */
1255 		byt_rt5640_quirk |= BYTCR_INPUT_DEFAULTS;
1256 	} else {
1257 		byt_rt5640_quirk |= BYT_RT5640_DMIC1_MAP |
1258 				    BYT_RT5640_JD_SRC_JD2_IN4N |
1259 				    BYT_RT5640_OVCD_TH_2000UA |
1260 				    BYT_RT5640_OVCD_SF_0P75;
1261 	}
1262 
1263 	/* check quirks before creating card */
1264 	dmi_id = dmi_first_match(byt_rt5640_quirk_table);
1265 	if (dmi_id)
1266 		byt_rt5640_quirk = (unsigned long)dmi_id->driver_data;
1267 	if (quirk_override != -1) {
1268 		dev_info(&pdev->dev, "Overriding quirk 0x%lx => 0x%x\n",
1269 			 byt_rt5640_quirk, quirk_override);
1270 		byt_rt5640_quirk = quirk_override;
1271 	}
1272 
1273 	/* Must be called before register_card, also see declaration comment. */
1274 	ret_val = byt_rt5640_add_codec_device_props(byt_rt5640_codec_name);
1275 	if (ret_val)
1276 		return ret_val;
1277 
1278 	log_quirks(&pdev->dev);
1279 
1280 	if ((byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) ||
1281 	    (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2))
1282 		byt_rt5640_dais[dai_index].codecs->dai_name = "rt5640-aif2";
1283 
1284 	if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
1285 	    (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2))
1286 		byt_rt5640_dais[dai_index].cpus->dai_name = "ssp0-port";
1287 
1288 	if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN) {
1289 		priv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
1290 		if (IS_ERR(priv->mclk)) {
1291 			ret_val = PTR_ERR(priv->mclk);
1292 
1293 			dev_err(&pdev->dev,
1294 				"Failed to get MCLK from pmc_plt_clk_3: %d\n",
1295 				ret_val);
1296 
1297 			/*
1298 			 * Fall back to bit clock usage for -ENOENT (clock not
1299 			 * available likely due to missing dependencies), bail
1300 			 * for all other errors, including -EPROBE_DEFER
1301 			 */
1302 			if (ret_val != -ENOENT)
1303 				return ret_val;
1304 			byt_rt5640_quirk &= ~BYT_RT5640_MCLK_EN;
1305 		}
1306 	}
1307 
1308 	snprintf(byt_rt5640_components, sizeof(byt_rt5640_components),
1309 		 "cfg-spk:%s cfg-mic:%s",
1310 		 (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) ? "1" : "2",
1311 		 map_name[BYT_RT5640_MAP(byt_rt5640_quirk)]);
1312 	byt_rt5640_card.components = byt_rt5640_components;
1313 #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES)
1314 	snprintf(byt_rt5640_long_name, sizeof(byt_rt5640_long_name),
1315 		 "bytcr-rt5640-%s-spk-%s-mic",
1316 		 (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) ?
1317 			"mono" : "stereo",
1318 		 map_name[BYT_RT5640_MAP(byt_rt5640_quirk)]);
1319 	byt_rt5640_card.long_name = byt_rt5640_long_name;
1320 #endif
1321 
1322 	/* override plaform name, if required */
1323 	platform_name = mach->mach_params.platform;
1324 
1325 	ret_val = snd_soc_fixup_dai_links_platform_name(&byt_rt5640_card,
1326 							platform_name);
1327 	if (ret_val)
1328 		return ret_val;
1329 
1330 	ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5640_card);
1331 
1332 	if (ret_val) {
1333 		dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n",
1334 			ret_val);
1335 		return ret_val;
1336 	}
1337 	platform_set_drvdata(pdev, &byt_rt5640_card);
1338 	return ret_val;
1339 }
1340 
1341 static struct platform_driver snd_byt_rt5640_mc_driver = {
1342 	.driver = {
1343 		.name = "bytcr_rt5640",
1344 #if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
1345 		.pm = &snd_soc_pm_ops,
1346 #endif
1347 	},
1348 	.probe = snd_byt_rt5640_mc_probe,
1349 };
1350 
1351 module_platform_driver(snd_byt_rt5640_mc_driver);
1352 
1353 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver");
1354 MODULE_AUTHOR("Subhransu S. Prusty <subhransu.s.prusty@intel.com>");
1355 MODULE_LICENSE("GPL v2");
1356 MODULE_ALIAS("platform:bytcr_rt5640");
1357