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