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1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  *  bytcr_rt5651.c - ASoc Machine driver for Intel Byt CR platform
4  *  (derived from bytcr_rt5640.c)
5  *
6  *  Copyright (C) 2015 Intel Corp
7  *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
8  *
9  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
10  */
11 
12 #include <linux/init.h>
13 #include <linux/i2c.h>
14 #include <linux/module.h>
15 #include <linux/platform_device.h>
16 #include <linux/property.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/gpio/consumer.h>
23 #include <linux/gpio/machine.h>
24 #include <linux/slab.h>
25 #include <sound/pcm.h>
26 #include <sound/pcm_params.h>
27 #include <sound/soc.h>
28 #include <sound/jack.h>
29 #include <sound/soc-acpi.h>
30 #include "../../codecs/rt5651.h"
31 #include "../atom/sst-atom-controls.h"
32 #include "../common/soc-intel-quirks.h"
33 
34 enum {
35 	BYT_RT5651_DMIC_MAP,
36 	BYT_RT5651_IN1_MAP,
37 	BYT_RT5651_IN2_MAP,
38 	BYT_RT5651_IN1_IN2_MAP,
39 };
40 
41 enum {
42 	BYT_RT5651_JD_NULL	= (RT5651_JD_NULL << 4),
43 	BYT_RT5651_JD1_1	= (RT5651_JD1_1 << 4),
44 	BYT_RT5651_JD1_2	= (RT5651_JD1_2 << 4),
45 	BYT_RT5651_JD2		= (RT5651_JD2 << 4),
46 };
47 
48 enum {
49 	BYT_RT5651_OVCD_TH_600UA  = (6 << 8),
50 	BYT_RT5651_OVCD_TH_1500UA = (15 << 8),
51 	BYT_RT5651_OVCD_TH_2000UA = (20 << 8),
52 };
53 
54 enum {
55 	BYT_RT5651_OVCD_SF_0P5	= (RT5651_OVCD_SF_0P5 << 13),
56 	BYT_RT5651_OVCD_SF_0P75	= (RT5651_OVCD_SF_0P75 << 13),
57 	BYT_RT5651_OVCD_SF_1P0	= (RT5651_OVCD_SF_1P0 << 13),
58 	BYT_RT5651_OVCD_SF_1P5	= (RT5651_OVCD_SF_1P5 << 13),
59 };
60 
61 #define BYT_RT5651_MAP(quirk)		((quirk) & GENMASK(3, 0))
62 #define BYT_RT5651_JDSRC(quirk)		(((quirk) & GENMASK(7, 4)) >> 4)
63 #define BYT_RT5651_OVCD_TH(quirk)	(((quirk) & GENMASK(12, 8)) >> 8)
64 #define BYT_RT5651_OVCD_SF(quirk)	(((quirk) & GENMASK(14, 13)) >> 13)
65 #define BYT_RT5651_DMIC_EN		BIT(16)
66 #define BYT_RT5651_MCLK_EN		BIT(17)
67 #define BYT_RT5651_MCLK_25MHZ		BIT(18)
68 #define BYT_RT5651_SSP2_AIF2		BIT(19) /* default is using AIF1  */
69 #define BYT_RT5651_SSP0_AIF1		BIT(20)
70 #define BYT_RT5651_SSP0_AIF2		BIT(21)
71 #define BYT_RT5651_HP_LR_SWAPPED	BIT(22)
72 #define BYT_RT5651_MONO_SPEAKER		BIT(23)
73 #define BYT_RT5651_JD_NOT_INV		BIT(24)
74 
75 #define BYT_RT5651_DEFAULT_QUIRKS	(BYT_RT5651_MCLK_EN | \
76 					 BYT_RT5651_JD1_1   | \
77 					 BYT_RT5651_OVCD_TH_2000UA | \
78 					 BYT_RT5651_OVCD_SF_0P75)
79 
80 /* jack-detect-source + inv + dmic-en + ovcd-th + -sf + terminating entry */
81 #define MAX_NO_PROPS 6
82 
83 struct byt_rt5651_private {
84 	struct clk *mclk;
85 	struct gpio_desc *ext_amp_gpio;
86 	struct gpio_desc *hp_detect;
87 	struct snd_soc_jack jack;
88 	struct device *codec_dev;
89 };
90 
91 static const struct acpi_gpio_mapping *byt_rt5651_gpios;
92 
93 /* Default: jack-detect on JD1_1, internal mic on in2, headsetmic on in3 */
94 static unsigned long byt_rt5651_quirk = BYT_RT5651_DEFAULT_QUIRKS |
95 					BYT_RT5651_IN2_MAP;
96 
97 static int quirk_override = -1;
98 module_param_named(quirk, quirk_override, int, 0444);
99 MODULE_PARM_DESC(quirk, "Board-specific quirk override");
100 
log_quirks(struct device * dev)101 static void log_quirks(struct device *dev)
102 {
103 	if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_DMIC_MAP)
104 		dev_info(dev, "quirk DMIC_MAP enabled");
105 	if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN1_MAP)
106 		dev_info(dev, "quirk IN1_MAP enabled");
107 	if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN2_MAP)
108 		dev_info(dev, "quirk IN2_MAP enabled");
109 	if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN1_IN2_MAP)
110 		dev_info(dev, "quirk IN1_IN2_MAP enabled");
111 	if (BYT_RT5651_JDSRC(byt_rt5651_quirk)) {
112 		dev_info(dev, "quirk realtek,jack-detect-source %ld\n",
113 			 BYT_RT5651_JDSRC(byt_rt5651_quirk));
114 		dev_info(dev, "quirk realtek,over-current-threshold-microamp %ld\n",
115 			 BYT_RT5651_OVCD_TH(byt_rt5651_quirk) * 100);
116 		dev_info(dev, "quirk realtek,over-current-scale-factor %ld\n",
117 			 BYT_RT5651_OVCD_SF(byt_rt5651_quirk));
118 	}
119 	if (byt_rt5651_quirk & BYT_RT5651_DMIC_EN)
120 		dev_info(dev, "quirk DMIC enabled");
121 	if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN)
122 		dev_info(dev, "quirk MCLK_EN enabled");
123 	if (byt_rt5651_quirk & BYT_RT5651_MCLK_25MHZ)
124 		dev_info(dev, "quirk MCLK_25MHZ enabled");
125 	if (byt_rt5651_quirk & BYT_RT5651_SSP2_AIF2)
126 		dev_info(dev, "quirk SSP2_AIF2 enabled\n");
127 	if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1)
128 		dev_info(dev, "quirk SSP0_AIF1 enabled\n");
129 	if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)
130 		dev_info(dev, "quirk SSP0_AIF2 enabled\n");
131 	if (byt_rt5651_quirk & BYT_RT5651_MONO_SPEAKER)
132 		dev_info(dev, "quirk MONO_SPEAKER enabled\n");
133 	if (byt_rt5651_quirk & BYT_RT5651_JD_NOT_INV)
134 		dev_info(dev, "quirk JD_NOT_INV enabled\n");
135 }
136 
137 #define BYT_CODEC_DAI1	"rt5651-aif1"
138 #define BYT_CODEC_DAI2	"rt5651-aif2"
139 
byt_rt5651_prepare_and_enable_pll1(struct snd_soc_dai * codec_dai,int rate,int bclk_ratio)140 static int byt_rt5651_prepare_and_enable_pll1(struct snd_soc_dai *codec_dai,
141 					      int rate, int bclk_ratio)
142 {
143 	int clk_id, clk_freq, ret;
144 
145 	/* Configure the PLL before selecting it */
146 	if (!(byt_rt5651_quirk & BYT_RT5651_MCLK_EN)) {
147 		clk_id = RT5651_PLL1_S_BCLK1,
148 		clk_freq = rate * bclk_ratio;
149 	} else {
150 		clk_id = RT5651_PLL1_S_MCLK;
151 		if (byt_rt5651_quirk & BYT_RT5651_MCLK_25MHZ)
152 			clk_freq = 25000000;
153 		else
154 			clk_freq = 19200000;
155 	}
156 	ret = snd_soc_dai_set_pll(codec_dai, 0, clk_id, clk_freq, rate * 512);
157 	if (ret < 0) {
158 		dev_err(codec_dai->component->dev, "can't set pll: %d\n", ret);
159 		return ret;
160 	}
161 
162 	ret = snd_soc_dai_set_sysclk(codec_dai, RT5651_SCLK_S_PLL1,
163 				     rate * 512, SND_SOC_CLOCK_IN);
164 	if (ret < 0) {
165 		dev_err(codec_dai->component->dev, "can't set clock %d\n", ret);
166 		return ret;
167 	}
168 
169 	return 0;
170 }
171 
platform_clock_control(struct snd_soc_dapm_widget * w,struct snd_kcontrol * k,int event)172 static int platform_clock_control(struct snd_soc_dapm_widget *w,
173 				  struct snd_kcontrol *k, int  event)
174 {
175 	struct snd_soc_dapm_context *dapm = w->dapm;
176 	struct snd_soc_card *card = dapm->card;
177 	struct snd_soc_dai *codec_dai;
178 	struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card);
179 	int ret;
180 
181 	codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI1);
182 	if (!codec_dai)
183 		codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI2);
184 	if (!codec_dai) {
185 		dev_err(card->dev,
186 			"Codec dai not found; Unable to set platform clock\n");
187 		return -EIO;
188 	}
189 
190 	if (SND_SOC_DAPM_EVENT_ON(event)) {
191 		if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) {
192 			ret = clk_prepare_enable(priv->mclk);
193 			if (ret < 0) {
194 				dev_err(card->dev,
195 					"could not configure MCLK state");
196 				return ret;
197 			}
198 		}
199 		ret = byt_rt5651_prepare_and_enable_pll1(codec_dai, 48000, 50);
200 	} else {
201 		/*
202 		 * Set codec clock source to internal clock before
203 		 * turning off the platform clock. Codec needs clock
204 		 * for Jack detection and button press
205 		 */
206 		ret = snd_soc_dai_set_sysclk(codec_dai, RT5651_SCLK_S_RCCLK,
207 					     48000 * 512,
208 					     SND_SOC_CLOCK_IN);
209 		if (!ret)
210 			if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN)
211 				clk_disable_unprepare(priv->mclk);
212 	}
213 
214 	if (ret < 0) {
215 		dev_err(card->dev, "can't set codec sysclk: %d\n", ret);
216 		return ret;
217 	}
218 
219 	return 0;
220 }
221 
rt5651_ext_amp_power_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)222 static int rt5651_ext_amp_power_event(struct snd_soc_dapm_widget *w,
223 	struct snd_kcontrol *kcontrol, int event)
224 {
225 	struct snd_soc_card *card = w->dapm->card;
226 	struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card);
227 
228 	if (SND_SOC_DAPM_EVENT_ON(event))
229 		gpiod_set_value_cansleep(priv->ext_amp_gpio, 1);
230 	else
231 		gpiod_set_value_cansleep(priv->ext_amp_gpio, 0);
232 
233 	return 0;
234 }
235 
236 static const struct snd_soc_dapm_widget byt_rt5651_widgets[] = {
237 	SND_SOC_DAPM_HP("Headphone", NULL),
238 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
239 	SND_SOC_DAPM_MIC("Internal Mic", NULL),
240 	SND_SOC_DAPM_SPK("Speaker", NULL),
241 	SND_SOC_DAPM_LINE("Line In", NULL),
242 	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
243 			    platform_clock_control, SND_SOC_DAPM_PRE_PMU |
244 			    SND_SOC_DAPM_POST_PMD),
245 	SND_SOC_DAPM_SUPPLY("Ext Amp Power", SND_SOC_NOPM, 0, 0,
246 			    rt5651_ext_amp_power_event,
247 			    SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
248 };
249 
250 static const struct snd_soc_dapm_route byt_rt5651_audio_map[] = {
251 	{"Headphone", NULL, "Platform Clock"},
252 	{"Headset Mic", NULL, "Platform Clock"},
253 	{"Internal Mic", NULL, "Platform Clock"},
254 	{"Speaker", NULL, "Platform Clock"},
255 	{"Speaker", NULL, "Ext Amp Power"},
256 	{"Line In", NULL, "Platform Clock"},
257 
258 	{"Headset Mic", NULL, "micbias1"}, /* lowercase for rt5651 */
259 	{"Headphone", NULL, "HPOL"},
260 	{"Headphone", NULL, "HPOR"},
261 	{"Speaker", NULL, "LOUTL"},
262 	{"Speaker", NULL, "LOUTR"},
263 	{"IN2P", NULL, "Line In"},
264 	{"IN2N", NULL, "Line In"},
265 
266 };
267 
268 static const struct snd_soc_dapm_route byt_rt5651_intmic_dmic_map[] = {
269 	{"DMIC L1", NULL, "Internal Mic"},
270 	{"DMIC R1", NULL, "Internal Mic"},
271 	{"IN2P", NULL, "Headset Mic"},
272 };
273 
274 static const struct snd_soc_dapm_route byt_rt5651_intmic_in1_map[] = {
275 	{"Internal Mic", NULL, "micbias1"},
276 	{"IN1P", NULL, "Internal Mic"},
277 	{"IN3P", NULL, "Headset Mic"},
278 };
279 
280 static const struct snd_soc_dapm_route byt_rt5651_intmic_in2_map[] = {
281 	{"Internal Mic", NULL, "micbias1"},
282 	{"IN2P", NULL, "Internal Mic"},
283 	{"IN3P", NULL, "Headset Mic"},
284 };
285 
286 static const struct snd_soc_dapm_route byt_rt5651_intmic_in1_in2_map[] = {
287 	{"Internal Mic", NULL, "micbias1"},
288 	{"IN1P", NULL, "Internal Mic"},
289 	{"IN2P", NULL, "Internal Mic"},
290 	{"IN3P", NULL, "Headset Mic"},
291 };
292 
293 static const struct snd_soc_dapm_route byt_rt5651_ssp0_aif1_map[] = {
294 	{"ssp0 Tx", NULL, "modem_out"},
295 	{"modem_in", NULL, "ssp0 Rx"},
296 
297 	{"AIF1 Playback", NULL, "ssp0 Tx"},
298 	{"ssp0 Rx", NULL, "AIF1 Capture"},
299 };
300 
301 static const struct snd_soc_dapm_route byt_rt5651_ssp0_aif2_map[] = {
302 	{"ssp0 Tx", NULL, "modem_out"},
303 	{"modem_in", NULL, "ssp0 Rx"},
304 
305 	{"AIF2 Playback", NULL, "ssp0 Tx"},
306 	{"ssp0 Rx", NULL, "AIF2 Capture"},
307 };
308 
309 static const struct snd_soc_dapm_route byt_rt5651_ssp2_aif1_map[] = {
310 	{"ssp2 Tx", NULL, "codec_out0"},
311 	{"ssp2 Tx", NULL, "codec_out1"},
312 	{"codec_in0", NULL, "ssp2 Rx"},
313 	{"codec_in1", NULL, "ssp2 Rx"},
314 
315 	{"AIF1 Playback", NULL, "ssp2 Tx"},
316 	{"ssp2 Rx", NULL, "AIF1 Capture"},
317 };
318 
319 static const struct snd_soc_dapm_route byt_rt5651_ssp2_aif2_map[] = {
320 	{"ssp2 Tx", NULL, "codec_out0"},
321 	{"ssp2 Tx", NULL, "codec_out1"},
322 	{"codec_in0", NULL, "ssp2 Rx"},
323 	{"codec_in1", NULL, "ssp2 Rx"},
324 
325 	{"AIF2 Playback", NULL, "ssp2 Tx"},
326 	{"ssp2 Rx", NULL, "AIF2 Capture"},
327 };
328 
329 static const struct snd_kcontrol_new byt_rt5651_controls[] = {
330 	SOC_DAPM_PIN_SWITCH("Headphone"),
331 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
332 	SOC_DAPM_PIN_SWITCH("Internal Mic"),
333 	SOC_DAPM_PIN_SWITCH("Speaker"),
334 	SOC_DAPM_PIN_SWITCH("Line In"),
335 };
336 
337 static struct snd_soc_jack_pin bytcr_jack_pins[] = {
338 	{
339 		.pin	= "Headphone",
340 		.mask	= SND_JACK_HEADPHONE,
341 	},
342 	{
343 		.pin	= "Headset Mic",
344 		.mask	= SND_JACK_MICROPHONE,
345 	},
346 };
347 
byt_rt5651_aif1_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)348 static int byt_rt5651_aif1_hw_params(struct snd_pcm_substream *substream,
349 					struct snd_pcm_hw_params *params)
350 {
351 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
352 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
353 	snd_pcm_format_t format = params_format(params);
354 	int rate = params_rate(params);
355 	int bclk_ratio;
356 
357 	if (format == SNDRV_PCM_FORMAT_S16_LE)
358 		bclk_ratio = 32;
359 	else
360 		bclk_ratio = 50;
361 
362 	return byt_rt5651_prepare_and_enable_pll1(codec_dai, rate, bclk_ratio);
363 }
364 
365 static const struct acpi_gpio_params pov_p1006w_hp_detect = { 1, 0, false };
366 static const struct acpi_gpio_params pov_p1006w_ext_amp_en = { 2, 0, true };
367 
368 static const struct acpi_gpio_mapping byt_rt5651_pov_p1006w_gpios[] = {
369 	{ "hp-detect-gpios", &pov_p1006w_hp_detect, 1, },
370 	{ "ext-amp-enable-gpios", &pov_p1006w_ext_amp_en, 1, },
371 	{ },
372 };
373 
byt_rt5651_pov_p1006w_quirk_cb(const struct dmi_system_id * id)374 static int byt_rt5651_pov_p1006w_quirk_cb(const struct dmi_system_id *id)
375 {
376 	byt_rt5651_quirk = (unsigned long)id->driver_data;
377 	byt_rt5651_gpios = byt_rt5651_pov_p1006w_gpios;
378 	return 1;
379 }
380 
byt_rt5651_quirk_cb(const struct dmi_system_id * id)381 static int byt_rt5651_quirk_cb(const struct dmi_system_id *id)
382 {
383 	byt_rt5651_quirk = (unsigned long)id->driver_data;
384 	return 1;
385 }
386 
387 static const struct dmi_system_id byt_rt5651_quirk_table[] = {
388 	{
389 		/* Chuwi Hi8 Pro (CWI513) */
390 		.callback = byt_rt5651_quirk_cb,
391 		.matches = {
392 			DMI_MATCH(DMI_SYS_VENDOR, "Hampoo"),
393 			DMI_MATCH(DMI_PRODUCT_NAME, "X1D3_C806N"),
394 		},
395 		.driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
396 					BYT_RT5651_IN2_MAP |
397 					BYT_RT5651_HP_LR_SWAPPED |
398 					BYT_RT5651_MONO_SPEAKER),
399 	},
400 	{
401 		/* Chuwi Vi8 Plus (CWI519) */
402 		.callback = byt_rt5651_quirk_cb,
403 		.matches = {
404 			DMI_MATCH(DMI_SYS_VENDOR, "Hampoo"),
405 			DMI_MATCH(DMI_PRODUCT_NAME, "D2D3_Vi8A1"),
406 		},
407 		.driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
408 					BYT_RT5651_IN2_MAP |
409 					BYT_RT5651_HP_LR_SWAPPED |
410 					BYT_RT5651_MONO_SPEAKER),
411 	},
412 	{
413 		/* Complet Electro Serv MY8307 */
414 		.callback = byt_rt5651_quirk_cb,
415 		.matches = {
416 			DMI_MATCH(DMI_SYS_VENDOR, "Complet Electro Serv"),
417 			DMI_MATCH(DMI_PRODUCT_NAME, "MY8307"),
418 		},
419 		.driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
420 					BYT_RT5651_IN2_MAP |
421 					BYT_RT5651_MONO_SPEAKER |
422 					BYT_RT5651_JD_NOT_INV),
423 	},
424 	{
425 		/* I.T.Works TW701, Ployer Momo7w and Trekstor ST70416-6
426 		 * (these all use the same mainboard) */
427 		.callback = byt_rt5651_quirk_cb,
428 		.matches = {
429 			DMI_MATCH(DMI_BIOS_VENDOR, "INSYDE Corp."),
430 			/* Partial match for all of itWORKS.G.WI71C.JGBMRBA,
431 			 * TREK.G.WI71C.JGBMRBA0x and MOMO.G.WI71C.MABMRBA02 */
432 			DMI_MATCH(DMI_BIOS_VERSION, ".G.WI71C."),
433 		},
434 		.driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
435 					BYT_RT5651_IN2_MAP |
436 					BYT_RT5651_SSP0_AIF1 |
437 					BYT_RT5651_MONO_SPEAKER),
438 	},
439 	{
440 		/* Jumper EZpad 7 */
441 		.callback = byt_rt5651_quirk_cb,
442 		.matches = {
443 			DMI_MATCH(DMI_SYS_VENDOR, "Jumper"),
444 			DMI_MATCH(DMI_PRODUCT_NAME, "EZpad"),
445 			/* Jumper12x.WJ2012.bsBKRCP05 with the version dropped */
446 			DMI_MATCH(DMI_BIOS_VERSION, "Jumper12x.WJ2012.bsBKRCP"),
447 		},
448 		.driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
449 					BYT_RT5651_IN2_MAP |
450 					BYT_RT5651_JD_NOT_INV),
451 	},
452 	{
453 		/* KIANO SlimNote 14.2 */
454 		.callback = byt_rt5651_quirk_cb,
455 		.matches = {
456 			DMI_MATCH(DMI_SYS_VENDOR, "KIANO"),
457 			DMI_MATCH(DMI_PRODUCT_NAME, "KIANO SlimNote 14.2"),
458 		},
459 		.driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
460 					BYT_RT5651_IN1_IN2_MAP),
461 	},
462 	{
463 		/* Minnowboard Max B3 */
464 		.callback = byt_rt5651_quirk_cb,
465 		.matches = {
466 			DMI_MATCH(DMI_SYS_VENDOR, "Circuitco"),
467 			DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Max B3 PLATFORM"),
468 		},
469 		.driver_data = (void *)(BYT_RT5651_IN1_MAP),
470 	},
471 	{
472 		/* Minnowboard Turbot */
473 		.callback = byt_rt5651_quirk_cb,
474 		.matches = {
475 			DMI_MATCH(DMI_SYS_VENDOR, "ADI"),
476 			DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Turbot"),
477 		},
478 		.driver_data = (void *)(BYT_RT5651_MCLK_EN |
479 					BYT_RT5651_IN1_MAP),
480 	},
481 	{
482 		/* Point of View mobii wintab p1006w (v1.0) */
483 		.callback = byt_rt5651_pov_p1006w_quirk_cb,
484 		.matches = {
485 			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"),
486 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "BayTrail"),
487 			/* Note 105b is Foxcon's USB/PCI vendor id */
488 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "105B"),
489 			DMI_EXACT_MATCH(DMI_BOARD_NAME, "0E57"),
490 		},
491 		.driver_data = (void *)(BYT_RT5651_DMIC_MAP |
492 					BYT_RT5651_OVCD_TH_2000UA |
493 					BYT_RT5651_OVCD_SF_0P75 |
494 					BYT_RT5651_DMIC_EN |
495 					BYT_RT5651_MCLK_EN |
496 					BYT_RT5651_SSP0_AIF1),
497 	},
498 	{
499 		/* VIOS LTH17 */
500 		.callback = byt_rt5651_quirk_cb,
501 		.matches = {
502 			DMI_MATCH(DMI_SYS_VENDOR, "VIOS"),
503 			DMI_MATCH(DMI_PRODUCT_NAME, "LTH17"),
504 		},
505 		.driver_data = (void *)(BYT_RT5651_IN1_IN2_MAP |
506 					BYT_RT5651_JD1_1 |
507 					BYT_RT5651_OVCD_TH_2000UA |
508 					BYT_RT5651_OVCD_SF_1P0 |
509 					BYT_RT5651_MCLK_EN),
510 	},
511 	{
512 		/* Yours Y8W81 (and others using the same mainboard) */
513 		.callback = byt_rt5651_quirk_cb,
514 		.matches = {
515 			DMI_MATCH(DMI_BIOS_VENDOR, "INSYDE Corp."),
516 			/* Partial match for all devs with a W86C mainboard */
517 			DMI_MATCH(DMI_BIOS_VERSION, ".F.W86C."),
518 		},
519 		.driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
520 					BYT_RT5651_IN2_MAP |
521 					BYT_RT5651_SSP0_AIF1 |
522 					BYT_RT5651_MONO_SPEAKER),
523 	},
524 	{}
525 };
526 
527 /*
528  * Note this MUST be called before snd_soc_register_card(), so that the props
529  * are in place before the codec component driver's probe function parses them.
530  */
byt_rt5651_add_codec_device_props(struct device * i2c_dev)531 static int byt_rt5651_add_codec_device_props(struct device *i2c_dev)
532 {
533 	struct property_entry props[MAX_NO_PROPS] = {};
534 	int cnt = 0;
535 
536 	props[cnt++] = PROPERTY_ENTRY_U32("realtek,jack-detect-source",
537 				BYT_RT5651_JDSRC(byt_rt5651_quirk));
538 
539 	props[cnt++] = PROPERTY_ENTRY_U32("realtek,over-current-threshold-microamp",
540 				BYT_RT5651_OVCD_TH(byt_rt5651_quirk) * 100);
541 
542 	props[cnt++] = PROPERTY_ENTRY_U32("realtek,over-current-scale-factor",
543 				BYT_RT5651_OVCD_SF(byt_rt5651_quirk));
544 
545 	if (byt_rt5651_quirk & BYT_RT5651_DMIC_EN)
546 		props[cnt++] = PROPERTY_ENTRY_BOOL("realtek,dmic-en");
547 
548 	if (byt_rt5651_quirk & BYT_RT5651_JD_NOT_INV)
549 		props[cnt++] = PROPERTY_ENTRY_BOOL("realtek,jack-detect-not-inverted");
550 
551 	return device_add_properties(i2c_dev, props);
552 }
553 
byt_rt5651_init(struct snd_soc_pcm_runtime * runtime)554 static int byt_rt5651_init(struct snd_soc_pcm_runtime *runtime)
555 {
556 	struct snd_soc_card *card = runtime->card;
557 	struct snd_soc_component *codec = asoc_rtd_to_codec(runtime, 0)->component;
558 	struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card);
559 	const struct snd_soc_dapm_route *custom_map;
560 	int num_routes;
561 	int report;
562 	int ret;
563 
564 	card->dapm.idle_bias_off = true;
565 
566 	/* Start with RC clk for jack-detect (we disable MCLK below) */
567 	if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN)
568 		snd_soc_component_update_bits(codec, RT5651_GLB_CLK,
569 			RT5651_SCLK_SRC_MASK, RT5651_SCLK_SRC_RCCLK);
570 
571 	switch (BYT_RT5651_MAP(byt_rt5651_quirk)) {
572 	case BYT_RT5651_IN1_MAP:
573 		custom_map = byt_rt5651_intmic_in1_map;
574 		num_routes = ARRAY_SIZE(byt_rt5651_intmic_in1_map);
575 		break;
576 	case BYT_RT5651_IN2_MAP:
577 		custom_map = byt_rt5651_intmic_in2_map;
578 		num_routes = ARRAY_SIZE(byt_rt5651_intmic_in2_map);
579 		break;
580 	case BYT_RT5651_IN1_IN2_MAP:
581 		custom_map = byt_rt5651_intmic_in1_in2_map;
582 		num_routes = ARRAY_SIZE(byt_rt5651_intmic_in1_in2_map);
583 		break;
584 	default:
585 		custom_map = byt_rt5651_intmic_dmic_map;
586 		num_routes = ARRAY_SIZE(byt_rt5651_intmic_dmic_map);
587 	}
588 	ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
589 	if (ret)
590 		return ret;
591 
592 	if (byt_rt5651_quirk & BYT_RT5651_SSP2_AIF2) {
593 		ret = snd_soc_dapm_add_routes(&card->dapm,
594 					byt_rt5651_ssp2_aif2_map,
595 					ARRAY_SIZE(byt_rt5651_ssp2_aif2_map));
596 	} else if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) {
597 		ret = snd_soc_dapm_add_routes(&card->dapm,
598 					byt_rt5651_ssp0_aif1_map,
599 					ARRAY_SIZE(byt_rt5651_ssp0_aif1_map));
600 	} else if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2) {
601 		ret = snd_soc_dapm_add_routes(&card->dapm,
602 					byt_rt5651_ssp0_aif2_map,
603 					ARRAY_SIZE(byt_rt5651_ssp0_aif2_map));
604 	} else {
605 		ret = snd_soc_dapm_add_routes(&card->dapm,
606 					byt_rt5651_ssp2_aif1_map,
607 					ARRAY_SIZE(byt_rt5651_ssp2_aif1_map));
608 	}
609 	if (ret)
610 		return ret;
611 
612 	ret = snd_soc_add_card_controls(card, byt_rt5651_controls,
613 					ARRAY_SIZE(byt_rt5651_controls));
614 	if (ret) {
615 		dev_err(card->dev, "unable to add card controls\n");
616 		return ret;
617 	}
618 
619 	if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) {
620 		/*
621 		 * The firmware might enable the clock at
622 		 * boot (this information may or may not
623 		 * be reflected in the enable clock register).
624 		 * To change the rate we must disable the clock
625 		 * first to cover these cases. Due to common
626 		 * clock framework restrictions that do not allow
627 		 * to disable a clock that has not been enabled,
628 		 * we need to enable the clock first.
629 		 */
630 		ret = clk_prepare_enable(priv->mclk);
631 		if (!ret)
632 			clk_disable_unprepare(priv->mclk);
633 
634 		if (byt_rt5651_quirk & BYT_RT5651_MCLK_25MHZ)
635 			ret = clk_set_rate(priv->mclk, 25000000);
636 		else
637 			ret = clk_set_rate(priv->mclk, 19200000);
638 
639 		if (ret)
640 			dev_err(card->dev, "unable to set MCLK rate\n");
641 	}
642 
643 	report = 0;
644 	if (BYT_RT5651_JDSRC(byt_rt5651_quirk))
645 		report = SND_JACK_HEADSET | SND_JACK_BTN_0;
646 	else if (priv->hp_detect)
647 		report = SND_JACK_HEADSET;
648 
649 	if (report) {
650 		ret = snd_soc_card_jack_new(runtime->card, "Headset",
651 				    report, &priv->jack, bytcr_jack_pins,
652 				    ARRAY_SIZE(bytcr_jack_pins));
653 		if (ret) {
654 			dev_err(runtime->dev, "jack creation failed %d\n", ret);
655 			return ret;
656 		}
657 
658 		if (report & SND_JACK_BTN_0)
659 			snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0,
660 					 KEY_PLAYPAUSE);
661 
662 		ret = snd_soc_component_set_jack(codec, &priv->jack,
663 						 priv->hp_detect);
664 		if (ret)
665 			return ret;
666 	}
667 
668 	return 0;
669 }
670 
byt_rt5651_codec_fixup(struct snd_soc_pcm_runtime * rtd,struct snd_pcm_hw_params * params)671 static int byt_rt5651_codec_fixup(struct snd_soc_pcm_runtime *rtd,
672 			    struct snd_pcm_hw_params *params)
673 {
674 	struct snd_interval *rate = hw_param_interval(params,
675 			SNDRV_PCM_HW_PARAM_RATE);
676 	struct snd_interval *channels = hw_param_interval(params,
677 						SNDRV_PCM_HW_PARAM_CHANNELS);
678 	int ret, bits;
679 
680 	/* The DSP will covert the FE rate to 48k, stereo */
681 	rate->min = rate->max = 48000;
682 	channels->min = channels->max = 2;
683 
684 	if ((byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) ||
685 	    (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)) {
686 		/* set SSP0 to 16-bit */
687 		params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
688 		bits = 16;
689 	} else {
690 		/* set SSP2 to 24-bit */
691 		params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
692 		bits = 24;
693 	}
694 
695 	/*
696 	 * Default mode for SSP configuration is TDM 4 slot, override config
697 	 * with explicit setting to I2S 2ch. The word length is set with
698 	 * dai_set_tdm_slot() since there is no other API exposed
699 	 */
700 	ret = snd_soc_dai_set_fmt(asoc_rtd_to_cpu(rtd, 0),
701 				  SND_SOC_DAIFMT_I2S     |
702 				  SND_SOC_DAIFMT_NB_NF   |
703 				  SND_SOC_DAIFMT_CBS_CFS
704 				  );
705 
706 	if (ret < 0) {
707 		dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
708 		return ret;
709 	}
710 
711 	ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 2, bits);
712 	if (ret < 0) {
713 		dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
714 		return ret;
715 	}
716 
717 	return 0;
718 }
719 
720 static const unsigned int rates_48000[] = {
721 	48000,
722 };
723 
724 static const struct snd_pcm_hw_constraint_list constraints_48000 = {
725 	.count = ARRAY_SIZE(rates_48000),
726 	.list  = rates_48000,
727 };
728 
byt_rt5651_aif1_startup(struct snd_pcm_substream * substream)729 static int byt_rt5651_aif1_startup(struct snd_pcm_substream *substream)
730 {
731 	return snd_pcm_hw_constraint_list(substream->runtime, 0,
732 			SNDRV_PCM_HW_PARAM_RATE,
733 			&constraints_48000);
734 }
735 
736 static const struct snd_soc_ops byt_rt5651_aif1_ops = {
737 	.startup = byt_rt5651_aif1_startup,
738 };
739 
740 static const struct snd_soc_ops byt_rt5651_be_ssp2_ops = {
741 	.hw_params = byt_rt5651_aif1_hw_params,
742 };
743 
744 SND_SOC_DAILINK_DEF(dummy,
745 	DAILINK_COMP_ARRAY(COMP_DUMMY()));
746 
747 SND_SOC_DAILINK_DEF(media,
748 	DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
749 
750 SND_SOC_DAILINK_DEF(deepbuffer,
751 	DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
752 
753 SND_SOC_DAILINK_DEF(ssp2_port,
754 	DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
755 SND_SOC_DAILINK_DEF(ssp2_codec,
756 	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5651:00", "rt5651-aif1")));
757 
758 SND_SOC_DAILINK_DEF(platform,
759 	DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
760 
761 static struct snd_soc_dai_link byt_rt5651_dais[] = {
762 	[MERR_DPCM_AUDIO] = {
763 		.name = "Audio Port",
764 		.stream_name = "Audio",
765 		.nonatomic = true,
766 		.dynamic = 1,
767 		.dpcm_playback = 1,
768 		.dpcm_capture = 1,
769 		.ops = &byt_rt5651_aif1_ops,
770 		SND_SOC_DAILINK_REG(media, dummy, platform),
771 	},
772 	[MERR_DPCM_DEEP_BUFFER] = {
773 		.name = "Deep-Buffer Audio Port",
774 		.stream_name = "Deep-Buffer Audio",
775 		.nonatomic = true,
776 		.dynamic = 1,
777 		.dpcm_playback = 1,
778 		.ops = &byt_rt5651_aif1_ops,
779 		SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
780 	},
781 	/* CODEC<->CODEC link */
782 	/* back ends */
783 	{
784 		.name = "SSP2-Codec",
785 		.id = 0,
786 		.no_pcm = 1,
787 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
788 						| SND_SOC_DAIFMT_CBS_CFS,
789 		.be_hw_params_fixup = byt_rt5651_codec_fixup,
790 		.nonatomic = true,
791 		.dpcm_playback = 1,
792 		.dpcm_capture = 1,
793 		.init = byt_rt5651_init,
794 		.ops = &byt_rt5651_be_ssp2_ops,
795 		SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform),
796 	},
797 };
798 
799 /* SoC card */
800 static char byt_rt5651_codec_name[SND_ACPI_I2C_ID_LEN];
801 #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES)
802 static char byt_rt5651_long_name[50]; /* = "bytcr-rt5651-*-spk-*-mic[-swapped-hp]" */
803 #endif
804 static char byt_rt5651_components[50]; /* = "cfg-spk:* cfg-mic:*" */
805 
byt_rt5651_suspend(struct snd_soc_card * card)806 static int byt_rt5651_suspend(struct snd_soc_card *card)
807 {
808 	struct snd_soc_component *component;
809 
810 	if (!BYT_RT5651_JDSRC(byt_rt5651_quirk))
811 		return 0;
812 
813 	for_each_card_components(card, component) {
814 		if (!strcmp(component->name, byt_rt5651_codec_name)) {
815 			dev_dbg(component->dev, "disabling jack detect before suspend\n");
816 			snd_soc_component_set_jack(component, NULL, NULL);
817 			break;
818 		}
819 	}
820 
821 	return 0;
822 }
823 
byt_rt5651_resume(struct snd_soc_card * card)824 static int byt_rt5651_resume(struct snd_soc_card *card)
825 {
826 	struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card);
827 	struct snd_soc_component *component;
828 
829 	if (!BYT_RT5651_JDSRC(byt_rt5651_quirk))
830 		return 0;
831 
832 	for_each_card_components(card, component) {
833 		if (!strcmp(component->name, byt_rt5651_codec_name)) {
834 			dev_dbg(component->dev, "re-enabling jack detect after resume\n");
835 			snd_soc_component_set_jack(component, &priv->jack,
836 						   priv->hp_detect);
837 			break;
838 		}
839 	}
840 
841 	return 0;
842 }
843 
844 #if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
845 /* use space before codec name to simplify card ID, and simplify driver name */
846 #define CARD_NAME "bytcht rt5651" /* card name will be 'sof-bytcht rt5651' */
847 #define DRIVER_NAME "SOF"
848 #else
849 #define CARD_NAME "bytcr-rt5651"
850 #define DRIVER_NAME NULL /* card name will be used for driver name */
851 #endif
852 
853 static struct snd_soc_card byt_rt5651_card = {
854 	.name = CARD_NAME,
855 	.driver_name = DRIVER_NAME,
856 	.owner = THIS_MODULE,
857 	.dai_link = byt_rt5651_dais,
858 	.num_links = ARRAY_SIZE(byt_rt5651_dais),
859 	.dapm_widgets = byt_rt5651_widgets,
860 	.num_dapm_widgets = ARRAY_SIZE(byt_rt5651_widgets),
861 	.dapm_routes = byt_rt5651_audio_map,
862 	.num_dapm_routes = ARRAY_SIZE(byt_rt5651_audio_map),
863 	.fully_routed = true,
864 	.suspend_pre = byt_rt5651_suspend,
865 	.resume_post = byt_rt5651_resume,
866 };
867 
868 static const struct acpi_gpio_params ext_amp_enable_gpios = { 0, 0, false };
869 
870 static const struct acpi_gpio_mapping cht_rt5651_gpios[] = {
871 	/*
872 	 * Some boards have I2cSerialBusV2, GpioIo, GpioInt as ACPI resources,
873 	 * other boards may  have I2cSerialBusV2, GpioInt, GpioIo instead.
874 	 * We want the GpioIo one for the ext-amp-enable-gpio.
875 	 */
876 	{ "ext-amp-enable-gpios", &ext_amp_enable_gpios, 1, ACPI_GPIO_QUIRK_ONLY_GPIOIO },
877 	{ },
878 };
879 
880 struct acpi_chan_package {   /* ACPICA seems to require 64 bit integers */
881 	u64 aif_value;       /* 1: AIF1, 2: AIF2 */
882 	u64 mclock_value;    /* usually 25MHz (0x17d7940), ignored */
883 };
884 
snd_byt_rt5651_mc_probe(struct platform_device * pdev)885 static int snd_byt_rt5651_mc_probe(struct platform_device *pdev)
886 {
887 	static const char * const mic_name[] = { "dmic", "in1", "in2", "in12" };
888 	struct byt_rt5651_private *priv;
889 	struct snd_soc_acpi_mach *mach;
890 	const char *platform_name;
891 	struct acpi_device *adev;
892 	struct device *codec_dev;
893 	bool is_bytcr = false;
894 	int ret_val = 0;
895 	int dai_index = 0;
896 	int i;
897 
898 	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
899 	if (!priv)
900 		return -ENOMEM;
901 
902 	/* register the soc card */
903 	byt_rt5651_card.dev = &pdev->dev;
904 
905 	mach = byt_rt5651_card.dev->platform_data;
906 	snd_soc_card_set_drvdata(&byt_rt5651_card, priv);
907 
908 	/* fix index of codec dai */
909 	for (i = 0; i < ARRAY_SIZE(byt_rt5651_dais); i++) {
910 		if (!strcmp(byt_rt5651_dais[i].codecs->name,
911 			    "i2c-10EC5651:00")) {
912 			dai_index = i;
913 			break;
914 		}
915 	}
916 
917 	/* fixup codec name based on HID */
918 	adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1);
919 	if (adev) {
920 		snprintf(byt_rt5651_codec_name, sizeof(byt_rt5651_codec_name),
921 			 "i2c-%s", acpi_dev_name(adev));
922 		byt_rt5651_dais[dai_index].codecs->name = byt_rt5651_codec_name;
923 	} else {
924 		dev_err(&pdev->dev, "Error cannot find '%s' dev\n", mach->id);
925 		return -ENODEV;
926 	}
927 
928 	codec_dev = acpi_get_first_physical_node(adev);
929 	acpi_dev_put(adev);
930 	if (!codec_dev)
931 		return -EPROBE_DEFER;
932 	priv->codec_dev = get_device(codec_dev);
933 
934 	/*
935 	 * swap SSP0 if bytcr is detected
936 	 * (will be overridden if DMI quirk is detected)
937 	 */
938 	if (soc_intel_is_byt()) {
939 		if (mach->mach_params.acpi_ipc_irq_index == 0)
940 			is_bytcr = true;
941 	}
942 
943 	if (is_bytcr) {
944 		/*
945 		 * Baytrail CR platforms may have CHAN package in BIOS, try
946 		 * to find relevant routing quirk based as done on Windows
947 		 * platforms. We have to read the information directly from the
948 		 * BIOS, at this stage the card is not created and the links
949 		 * with the codec driver/pdata are non-existent
950 		 */
951 
952 		struct acpi_chan_package chan_package;
953 
954 		/* format specified: 2 64-bit integers */
955 		struct acpi_buffer format = {sizeof("NN"), "NN"};
956 		struct acpi_buffer state = {0, NULL};
957 		struct snd_soc_acpi_package_context pkg_ctx;
958 		bool pkg_found = false;
959 
960 		state.length = sizeof(chan_package);
961 		state.pointer = &chan_package;
962 
963 		pkg_ctx.name = "CHAN";
964 		pkg_ctx.length = 2;
965 		pkg_ctx.format = &format;
966 		pkg_ctx.state = &state;
967 		pkg_ctx.data_valid = false;
968 
969 		pkg_found = snd_soc_acpi_find_package_from_hid(mach->id,
970 							       &pkg_ctx);
971 		if (pkg_found) {
972 			if (chan_package.aif_value == 1) {
973 				dev_info(&pdev->dev, "BIOS Routing: AIF1 connected\n");
974 				byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF1;
975 			} else  if (chan_package.aif_value == 2) {
976 				dev_info(&pdev->dev, "BIOS Routing: AIF2 connected\n");
977 				byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF2;
978 			} else {
979 				dev_info(&pdev->dev, "BIOS Routing isn't valid, ignored\n");
980 				pkg_found = false;
981 			}
982 		}
983 
984 		if (!pkg_found) {
985 			/* no BIOS indications, assume SSP0-AIF2 connection */
986 			byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF2;
987 		}
988 	}
989 
990 	/* check quirks before creating card */
991 	dmi_check_system(byt_rt5651_quirk_table);
992 
993 	if (quirk_override != -1) {
994 		dev_info(&pdev->dev, "Overriding quirk 0x%lx => 0x%x\n",
995 			 byt_rt5651_quirk, quirk_override);
996 		byt_rt5651_quirk = quirk_override;
997 	}
998 
999 	/* Must be called before register_card, also see declaration comment. */
1000 	ret_val = byt_rt5651_add_codec_device_props(codec_dev);
1001 	if (ret_val)
1002 		goto err;
1003 
1004 	/* Cherry Trail devices use an external amplifier enable gpio */
1005 	if (soc_intel_is_cht() && !byt_rt5651_gpios)
1006 		byt_rt5651_gpios = cht_rt5651_gpios;
1007 
1008 	if (byt_rt5651_gpios) {
1009 		devm_acpi_dev_add_driver_gpios(codec_dev, byt_rt5651_gpios);
1010 		priv->ext_amp_gpio = devm_fwnode_gpiod_get(&pdev->dev,
1011 							   codec_dev->fwnode,
1012 							   "ext-amp-enable",
1013 							   GPIOD_OUT_LOW,
1014 							   "speaker-amp");
1015 		if (IS_ERR(priv->ext_amp_gpio)) {
1016 			ret_val = PTR_ERR(priv->ext_amp_gpio);
1017 			switch (ret_val) {
1018 			case -ENOENT:
1019 				priv->ext_amp_gpio = NULL;
1020 				break;
1021 			default:
1022 				dev_err(&pdev->dev, "Failed to get ext-amp-enable GPIO: %d\n",
1023 					ret_val);
1024 				fallthrough;
1025 			case -EPROBE_DEFER:
1026 				goto err;
1027 			}
1028 		}
1029 		priv->hp_detect = devm_fwnode_gpiod_get(&pdev->dev,
1030 							codec_dev->fwnode,
1031 							"hp-detect",
1032 							GPIOD_IN,
1033 							"hp-detect");
1034 		if (IS_ERR(priv->hp_detect)) {
1035 			ret_val = PTR_ERR(priv->hp_detect);
1036 			switch (ret_val) {
1037 			case -ENOENT:
1038 				priv->hp_detect = NULL;
1039 				break;
1040 			default:
1041 				dev_err(&pdev->dev, "Failed to get hp-detect GPIO: %d\n",
1042 					ret_val);
1043 				fallthrough;
1044 			case -EPROBE_DEFER:
1045 				goto err;
1046 			}
1047 		}
1048 	}
1049 
1050 	log_quirks(&pdev->dev);
1051 
1052 	if ((byt_rt5651_quirk & BYT_RT5651_SSP2_AIF2) ||
1053 	    (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2))
1054 		byt_rt5651_dais[dai_index].codecs->dai_name = "rt5651-aif2";
1055 
1056 	if ((byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) ||
1057 	    (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2))
1058 		byt_rt5651_dais[dai_index].cpus->dai_name = "ssp0-port";
1059 
1060 	if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) {
1061 		priv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
1062 		if (IS_ERR(priv->mclk)) {
1063 			ret_val = PTR_ERR(priv->mclk);
1064 			dev_err(&pdev->dev,
1065 				"Failed to get MCLK from pmc_plt_clk_3: %d\n",
1066 				ret_val);
1067 			/*
1068 			 * Fall back to bit clock usage for -ENOENT (clock not
1069 			 * available likely due to missing dependencies), bail
1070 			 * for all other errors, including -EPROBE_DEFER
1071 			 */
1072 			if (ret_val != -ENOENT)
1073 				goto err;
1074 			byt_rt5651_quirk &= ~BYT_RT5651_MCLK_EN;
1075 		}
1076 	}
1077 
1078 	snprintf(byt_rt5651_components, sizeof(byt_rt5651_components),
1079 		 "cfg-spk:%s cfg-mic:%s%s",
1080 		 (byt_rt5651_quirk & BYT_RT5651_MONO_SPEAKER) ? "1" : "2",
1081 		 mic_name[BYT_RT5651_MAP(byt_rt5651_quirk)],
1082 		 (byt_rt5651_quirk & BYT_RT5651_HP_LR_SWAPPED) ?
1083 			" cfg-hp:lrswap" : "");
1084 	byt_rt5651_card.components = byt_rt5651_components;
1085 #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES)
1086 	snprintf(byt_rt5651_long_name, sizeof(byt_rt5651_long_name),
1087 		 "bytcr-rt5651-%s-spk-%s-mic%s",
1088 		 (byt_rt5651_quirk & BYT_RT5651_MONO_SPEAKER) ?
1089 			"mono" : "stereo",
1090 		 mic_name[BYT_RT5651_MAP(byt_rt5651_quirk)],
1091 		 (byt_rt5651_quirk & BYT_RT5651_HP_LR_SWAPPED) ?
1092 			"-hp-swapped" : "");
1093 	byt_rt5651_card.long_name = byt_rt5651_long_name;
1094 #endif
1095 
1096 	/* override plaform name, if required */
1097 	platform_name = mach->mach_params.platform;
1098 
1099 	ret_val = snd_soc_fixup_dai_links_platform_name(&byt_rt5651_card,
1100 							platform_name);
1101 	if (ret_val)
1102 		goto err;
1103 
1104 	ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5651_card);
1105 
1106 	if (ret_val) {
1107 		dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n",
1108 			ret_val);
1109 		goto err;
1110 	}
1111 	platform_set_drvdata(pdev, &byt_rt5651_card);
1112 	return ret_val;
1113 
1114 err:
1115 	put_device(priv->codec_dev);
1116 	return ret_val;
1117 }
1118 
snd_byt_rt5651_mc_remove(struct platform_device * pdev)1119 static int snd_byt_rt5651_mc_remove(struct platform_device *pdev)
1120 {
1121 	struct snd_soc_card *card = platform_get_drvdata(pdev);
1122 	struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card);
1123 
1124 	put_device(priv->codec_dev);
1125 	return 0;
1126 }
1127 
1128 static struct platform_driver snd_byt_rt5651_mc_driver = {
1129 	.driver = {
1130 		.name = "bytcr_rt5651",
1131 #if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
1132 		.pm = &snd_soc_pm_ops,
1133 #endif
1134 	},
1135 	.probe = snd_byt_rt5651_mc_probe,
1136 	.remove = snd_byt_rt5651_mc_remove,
1137 };
1138 
1139 module_platform_driver(snd_byt_rt5651_mc_driver);
1140 
1141 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver for RT5651");
1142 MODULE_AUTHOR("Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>");
1143 MODULE_LICENSE("GPL v2");
1144 MODULE_ALIAS("platform:bytcr_rt5651");
1145