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TOMOYO Linux Cross Reference
Linux/sound/soc/intel/boards/bytcr_rt5651.c

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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 };
 89 
 90 static const struct acpi_gpio_mapping *byt_rt5651_gpios;
 91 
 92 /* Default: jack-detect on JD1_1, internal mic on in2, headsetmic on in3 */
 93 static unsigned long byt_rt5651_quirk = BYT_RT5651_DEFAULT_QUIRKS |
 94                                         BYT_RT5651_IN2_MAP;
 95 
 96 static int quirk_override = -1;
 97 module_param_named(quirk, quirk_override, int, 0444);
 98 MODULE_PARM_DESC(quirk, "Board-specific quirk override");
 99 
100 static void log_quirks(struct device *dev)
101 {
102         if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_DMIC_MAP)
103                 dev_info(dev, "quirk DMIC_MAP enabled");
104         if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN1_MAP)
105                 dev_info(dev, "quirk IN1_MAP enabled");
106         if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN2_MAP)
107                 dev_info(dev, "quirk IN2_MAP enabled");
108         if (BYT_RT5651_MAP(byt_rt5651_quirk) == BYT_RT5651_IN1_IN2_MAP)
109                 dev_info(dev, "quirk IN1_IN2_MAP enabled");
110         if (BYT_RT5651_JDSRC(byt_rt5651_quirk)) {
111                 dev_info(dev, "quirk realtek,jack-detect-source %ld\n",
112                          BYT_RT5651_JDSRC(byt_rt5651_quirk));
113                 dev_info(dev, "quirk realtek,over-current-threshold-microamp %ld\n",
114                          BYT_RT5651_OVCD_TH(byt_rt5651_quirk) * 100);
115                 dev_info(dev, "quirk realtek,over-current-scale-factor %ld\n",
116                          BYT_RT5651_OVCD_SF(byt_rt5651_quirk));
117         }
118         if (byt_rt5651_quirk & BYT_RT5651_DMIC_EN)
119                 dev_info(dev, "quirk DMIC enabled");
120         if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN)
121                 dev_info(dev, "quirk MCLK_EN enabled");
122         if (byt_rt5651_quirk & BYT_RT5651_MCLK_25MHZ)
123                 dev_info(dev, "quirk MCLK_25MHZ enabled");
124         if (byt_rt5651_quirk & BYT_RT5651_SSP2_AIF2)
125                 dev_info(dev, "quirk SSP2_AIF2 enabled\n");
126         if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1)
127                 dev_info(dev, "quirk SSP0_AIF1 enabled\n");
128         if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)
129                 dev_info(dev, "quirk SSP0_AIF2 enabled\n");
130         if (byt_rt5651_quirk & BYT_RT5651_MONO_SPEAKER)
131                 dev_info(dev, "quirk MONO_SPEAKER enabled\n");
132         if (byt_rt5651_quirk & BYT_RT5651_JD_NOT_INV)
133                 dev_info(dev, "quirk JD_NOT_INV enabled\n");
134 }
135 
136 #define BYT_CODEC_DAI1  "rt5651-aif1"
137 #define BYT_CODEC_DAI2  "rt5651-aif2"
138 
139 static int byt_rt5651_prepare_and_enable_pll1(struct snd_soc_dai *codec_dai,
140                                               int rate, int bclk_ratio)
141 {
142         int clk_id, clk_freq, ret;
143 
144         /* Configure the PLL before selecting it */
145         if (!(byt_rt5651_quirk & BYT_RT5651_MCLK_EN)) {
146                 clk_id = RT5651_PLL1_S_BCLK1,
147                 clk_freq = rate * bclk_ratio;
148         } else {
149                 clk_id = RT5651_PLL1_S_MCLK;
150                 if (byt_rt5651_quirk & BYT_RT5651_MCLK_25MHZ)
151                         clk_freq = 25000000;
152                 else
153                         clk_freq = 19200000;
154         }
155         ret = snd_soc_dai_set_pll(codec_dai, 0, clk_id, clk_freq, rate * 512);
156         if (ret < 0) {
157                 dev_err(codec_dai->component->dev, "can't set pll: %d\n", ret);
158                 return ret;
159         }
160 
161         ret = snd_soc_dai_set_sysclk(codec_dai, RT5651_SCLK_S_PLL1,
162                                      rate * 512, SND_SOC_CLOCK_IN);
163         if (ret < 0) {
164                 dev_err(codec_dai->component->dev, "can't set clock %d\n", ret);
165                 return ret;
166         }
167 
168         return 0;
169 }
170 
171 static int platform_clock_control(struct snd_soc_dapm_widget *w,
172                                   struct snd_kcontrol *k, int  event)
173 {
174         struct snd_soc_dapm_context *dapm = w->dapm;
175         struct snd_soc_card *card = dapm->card;
176         struct snd_soc_dai *codec_dai;
177         struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card);
178         int ret;
179 
180         codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI1);
181         if (!codec_dai)
182                 codec_dai = snd_soc_card_get_codec_dai(card, BYT_CODEC_DAI2);
183         if (!codec_dai) {
184                 dev_err(card->dev,
185                         "Codec dai not found; Unable to set platform clock\n");
186                 return -EIO;
187         }
188 
189         if (SND_SOC_DAPM_EVENT_ON(event)) {
190                 if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) {
191                         ret = clk_prepare_enable(priv->mclk);
192                         if (ret < 0) {
193                                 dev_err(card->dev,
194                                         "could not configure MCLK state");
195                                 return ret;
196                         }
197                 }
198                 ret = byt_rt5651_prepare_and_enable_pll1(codec_dai, 48000, 50);
199         } else {
200                 /*
201                  * Set codec clock source to internal clock before
202                  * turning off the platform clock. Codec needs clock
203                  * for Jack detection and button press
204                  */
205                 ret = snd_soc_dai_set_sysclk(codec_dai, RT5651_SCLK_S_RCCLK,
206                                              48000 * 512,
207                                              SND_SOC_CLOCK_IN);
208                 if (!ret)
209                         if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN)
210                                 clk_disable_unprepare(priv->mclk);
211         }
212 
213         if (ret < 0) {
214                 dev_err(card->dev, "can't set codec sysclk: %d\n", ret);
215                 return ret;
216         }
217 
218         return 0;
219 }
220 
221 static int rt5651_ext_amp_power_event(struct snd_soc_dapm_widget *w,
222         struct snd_kcontrol *kcontrol, int event)
223 {
224         struct snd_soc_card *card = w->dapm->card;
225         struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card);
226 
227         if (SND_SOC_DAPM_EVENT_ON(event))
228                 gpiod_set_value_cansleep(priv->ext_amp_gpio, 1);
229         else
230                 gpiod_set_value_cansleep(priv->ext_amp_gpio, 0);
231 
232         return 0;
233 }
234 
235 static const struct snd_soc_dapm_widget byt_rt5651_widgets[] = {
236         SND_SOC_DAPM_HP("Headphone", NULL),
237         SND_SOC_DAPM_MIC("Headset Mic", NULL),
238         SND_SOC_DAPM_MIC("Internal Mic", NULL),
239         SND_SOC_DAPM_SPK("Speaker", NULL),
240         SND_SOC_DAPM_LINE("Line In", NULL),
241         SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
242                             platform_clock_control, SND_SOC_DAPM_PRE_PMU |
243                             SND_SOC_DAPM_POST_PMD),
244         SND_SOC_DAPM_SUPPLY("Ext Amp Power", SND_SOC_NOPM, 0, 0,
245                             rt5651_ext_amp_power_event,
246                             SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
247 };
248 
249 static const struct snd_soc_dapm_route byt_rt5651_audio_map[] = {
250         {"Headphone", NULL, "Platform Clock"},
251         {"Headset Mic", NULL, "Platform Clock"},
252         {"Internal Mic", NULL, "Platform Clock"},
253         {"Speaker", NULL, "Platform Clock"},
254         {"Speaker", NULL, "Ext Amp Power"},
255         {"Line In", NULL, "Platform Clock"},
256 
257         {"Headset Mic", NULL, "micbias1"}, /* lowercase for rt5651 */
258         {"Headphone", NULL, "HPOL"},
259         {"Headphone", NULL, "HPOR"},
260         {"Speaker", NULL, "LOUTL"},
261         {"Speaker", NULL, "LOUTR"},
262         {"IN2P", NULL, "Line In"},
263         {"IN2N", NULL, "Line In"},
264 
265 };
266 
267 static const struct snd_soc_dapm_route byt_rt5651_intmic_dmic_map[] = {
268         {"DMIC L1", NULL, "Internal Mic"},
269         {"DMIC R1", NULL, "Internal Mic"},
270         {"IN2P", NULL, "Headset Mic"},
271 };
272 
273 static const struct snd_soc_dapm_route byt_rt5651_intmic_in1_map[] = {
274         {"Internal Mic", NULL, "micbias1"},
275         {"IN1P", NULL, "Internal Mic"},
276         {"IN3P", NULL, "Headset Mic"},
277 };
278 
279 static const struct snd_soc_dapm_route byt_rt5651_intmic_in2_map[] = {
280         {"Internal Mic", NULL, "micbias1"},
281         {"IN2P", NULL, "Internal Mic"},
282         {"IN3P", NULL, "Headset Mic"},
283 };
284 
285 static const struct snd_soc_dapm_route byt_rt5651_intmic_in1_in2_map[] = {
286         {"Internal Mic", NULL, "micbias1"},
287         {"IN1P", NULL, "Internal Mic"},
288         {"IN2P", NULL, "Internal Mic"},
289         {"IN3P", NULL, "Headset Mic"},
290 };
291 
292 static const struct snd_soc_dapm_route byt_rt5651_ssp0_aif1_map[] = {
293         {"ssp0 Tx", NULL, "modem_out"},
294         {"modem_in", NULL, "ssp0 Rx"},
295 
296         {"AIF1 Playback", NULL, "ssp0 Tx"},
297         {"ssp0 Rx", NULL, "AIF1 Capture"},
298 };
299 
300 static const struct snd_soc_dapm_route byt_rt5651_ssp0_aif2_map[] = {
301         {"ssp0 Tx", NULL, "modem_out"},
302         {"modem_in", NULL, "ssp0 Rx"},
303 
304         {"AIF2 Playback", NULL, "ssp0 Tx"},
305         {"ssp0 Rx", NULL, "AIF2 Capture"},
306 };
307 
308 static const struct snd_soc_dapm_route byt_rt5651_ssp2_aif1_map[] = {
309         {"ssp2 Tx", NULL, "codec_out0"},
310         {"ssp2 Tx", NULL, "codec_out1"},
311         {"codec_in0", NULL, "ssp2 Rx"},
312         {"codec_in1", NULL, "ssp2 Rx"},
313 
314         {"AIF1 Playback", NULL, "ssp2 Tx"},
315         {"ssp2 Rx", NULL, "AIF1 Capture"},
316 };
317 
318 static const struct snd_soc_dapm_route byt_rt5651_ssp2_aif2_map[] = {
319         {"ssp2 Tx", NULL, "codec_out0"},
320         {"ssp2 Tx", NULL, "codec_out1"},
321         {"codec_in0", NULL, "ssp2 Rx"},
322         {"codec_in1", NULL, "ssp2 Rx"},
323 
324         {"AIF2 Playback", NULL, "ssp2 Tx"},
325         {"ssp2 Rx", NULL, "AIF2 Capture"},
326 };
327 
328 static const struct snd_kcontrol_new byt_rt5651_controls[] = {
329         SOC_DAPM_PIN_SWITCH("Headphone"),
330         SOC_DAPM_PIN_SWITCH("Headset Mic"),
331         SOC_DAPM_PIN_SWITCH("Internal Mic"),
332         SOC_DAPM_PIN_SWITCH("Speaker"),
333         SOC_DAPM_PIN_SWITCH("Line In"),
334 };
335 
336 static struct snd_soc_jack_pin bytcr_jack_pins[] = {
337         {
338                 .pin    = "Headphone",
339                 .mask   = SND_JACK_HEADPHONE,
340         },
341         {
342                 .pin    = "Headset Mic",
343                 .mask   = SND_JACK_MICROPHONE,
344         },
345 };
346 
347 static int byt_rt5651_aif1_hw_params(struct snd_pcm_substream *substream,
348                                         struct snd_pcm_hw_params *params)
349 {
350         struct snd_soc_pcm_runtime *rtd = substream->private_data;
351         struct snd_soc_dai *codec_dai = rtd->codec_dai;
352         snd_pcm_format_t format = params_format(params);
353         int rate = params_rate(params);
354         int bclk_ratio;
355 
356         if (format == SNDRV_PCM_FORMAT_S16_LE)
357                 bclk_ratio = 32;
358         else
359                 bclk_ratio = 50;
360 
361         return byt_rt5651_prepare_and_enable_pll1(codec_dai, rate, bclk_ratio);
362 }
363 
364 static const struct acpi_gpio_params pov_p1006w_hp_detect = { 1, 0, false };
365 static const struct acpi_gpio_params pov_p1006w_ext_amp_en = { 2, 0, true };
366 
367 static const struct acpi_gpio_mapping byt_rt5651_pov_p1006w_gpios[] = {
368         { "hp-detect-gpios", &pov_p1006w_hp_detect, 1, },
369         { "ext-amp-enable-gpios", &pov_p1006w_ext_amp_en, 1, },
370         { },
371 };
372 
373 static int byt_rt5651_pov_p1006w_quirk_cb(const struct dmi_system_id *id)
374 {
375         byt_rt5651_quirk = (unsigned long)id->driver_data;
376         byt_rt5651_gpios = byt_rt5651_pov_p1006w_gpios;
377         return 1;
378 }
379 
380 static int byt_rt5651_quirk_cb(const struct dmi_system_id *id)
381 {
382         byt_rt5651_quirk = (unsigned long)id->driver_data;
383         return 1;
384 }
385 
386 static const struct dmi_system_id byt_rt5651_quirk_table[] = {
387         {
388                 /* Chuwi Hi8 Pro (CWI513) */
389                 .callback = byt_rt5651_quirk_cb,
390                 .matches = {
391                         DMI_MATCH(DMI_SYS_VENDOR, "Hampoo"),
392                         DMI_MATCH(DMI_PRODUCT_NAME, "X1D3_C806N"),
393                 },
394                 .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
395                                         BYT_RT5651_IN2_MAP |
396                                         BYT_RT5651_HP_LR_SWAPPED |
397                                         BYT_RT5651_MONO_SPEAKER),
398         },
399         {
400                 /* Chuwi Vi8 Plus (CWI519) */
401                 .callback = byt_rt5651_quirk_cb,
402                 .matches = {
403                         DMI_MATCH(DMI_SYS_VENDOR, "Hampoo"),
404                         DMI_MATCH(DMI_PRODUCT_NAME, "D2D3_Vi8A1"),
405                 },
406                 .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
407                                         BYT_RT5651_IN2_MAP |
408                                         BYT_RT5651_HP_LR_SWAPPED |
409                                         BYT_RT5651_MONO_SPEAKER),
410         },
411         {
412                 /* Complet Electro Serv MY8307 */
413                 .callback = byt_rt5651_quirk_cb,
414                 .matches = {
415                         DMI_MATCH(DMI_SYS_VENDOR, "Complet Electro Serv"),
416                         DMI_MATCH(DMI_PRODUCT_NAME, "MY8307"),
417                 },
418                 .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
419                                         BYT_RT5651_IN2_MAP |
420                                         BYT_RT5651_MONO_SPEAKER |
421                                         BYT_RT5651_JD_NOT_INV),
422         },
423         {
424                 /* I.T.Works TW701, Ployer Momo7w and Trekstor ST70416-6
425                  * (these all use the same mainboard) */
426                 .callback = byt_rt5651_quirk_cb,
427                 .matches = {
428                         DMI_MATCH(DMI_BIOS_VENDOR, "INSYDE Corp."),
429                         /* Partial match for all of itWORKS.G.WI71C.JGBMRBA,
430                          * TREK.G.WI71C.JGBMRBA0x and MOMO.G.WI71C.MABMRBA02 */
431                         DMI_MATCH(DMI_BIOS_VERSION, ".G.WI71C."),
432                 },
433                 .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
434                                         BYT_RT5651_IN2_MAP |
435                                         BYT_RT5651_SSP0_AIF1 |
436                                         BYT_RT5651_MONO_SPEAKER),
437         },
438         {
439                 /* KIANO SlimNote 14.2 */
440                 .callback = byt_rt5651_quirk_cb,
441                 .matches = {
442                         DMI_MATCH(DMI_SYS_VENDOR, "KIANO"),
443                         DMI_MATCH(DMI_PRODUCT_NAME, "KIANO SlimNote 14.2"),
444                 },
445                 .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
446                                         BYT_RT5651_IN1_IN2_MAP),
447         },
448         {
449                 /* Minnowboard Max B3 */
450                 .callback = byt_rt5651_quirk_cb,
451                 .matches = {
452                         DMI_MATCH(DMI_SYS_VENDOR, "Circuitco"),
453                         DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Max B3 PLATFORM"),
454                 },
455                 .driver_data = (void *)(BYT_RT5651_IN1_MAP),
456         },
457         {
458                 /* Minnowboard Turbot */
459                 .callback = byt_rt5651_quirk_cb,
460                 .matches = {
461                         DMI_MATCH(DMI_SYS_VENDOR, "ADI"),
462                         DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Turbot"),
463                 },
464                 .driver_data = (void *)(BYT_RT5651_MCLK_EN |
465                                         BYT_RT5651_IN1_MAP),
466         },
467         {
468                 /* Point of View mobii wintab p1006w (v1.0) */
469                 .callback = byt_rt5651_pov_p1006w_quirk_cb,
470                 .matches = {
471                         DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Insyde"),
472                         DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "BayTrail"),
473                         /* Note 105b is Foxcon's USB/PCI vendor id */
474                         DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "105B"),
475                         DMI_EXACT_MATCH(DMI_BOARD_NAME, "0E57"),
476                 },
477                 .driver_data = (void *)(BYT_RT5651_DMIC_MAP |
478                                         BYT_RT5651_OVCD_TH_2000UA |
479                                         BYT_RT5651_OVCD_SF_0P75 |
480                                         BYT_RT5651_DMIC_EN |
481                                         BYT_RT5651_MCLK_EN |
482                                         BYT_RT5651_SSP0_AIF1),
483         },
484         {
485                 /* VIOS LTH17 */
486                 .callback = byt_rt5651_quirk_cb,
487                 .matches = {
488                         DMI_MATCH(DMI_SYS_VENDOR, "VIOS"),
489                         DMI_MATCH(DMI_PRODUCT_NAME, "LTH17"),
490                 },
491                 .driver_data = (void *)(BYT_RT5651_IN1_IN2_MAP |
492                                         BYT_RT5651_JD1_1 |
493                                         BYT_RT5651_OVCD_TH_2000UA |
494                                         BYT_RT5651_OVCD_SF_1P0 |
495                                         BYT_RT5651_MCLK_EN),
496         },
497         {
498                 /* Yours Y8W81 (and others using the same mainboard) */
499                 .callback = byt_rt5651_quirk_cb,
500                 .matches = {
501                         DMI_MATCH(DMI_BIOS_VENDOR, "INSYDE Corp."),
502                         /* Partial match for all devs with a W86C mainboard */
503                         DMI_MATCH(DMI_BIOS_VERSION, ".F.W86C."),
504                 },
505                 .driver_data = (void *)(BYT_RT5651_DEFAULT_QUIRKS |
506                                         BYT_RT5651_IN2_MAP |
507                                         BYT_RT5651_SSP0_AIF1 |
508                                         BYT_RT5651_MONO_SPEAKER),
509         },
510         {}
511 };
512 
513 /*
514  * Note this MUST be called before snd_soc_register_card(), so that the props
515  * are in place before the codec component driver's probe function parses them.
516  */
517 static int byt_rt5651_add_codec_device_props(struct device *i2c_dev)
518 {
519         struct property_entry props[MAX_NO_PROPS] = {};
520         int cnt = 0;
521 
522         props[cnt++] = PROPERTY_ENTRY_U32("realtek,jack-detect-source",
523                                 BYT_RT5651_JDSRC(byt_rt5651_quirk));
524 
525         props[cnt++] = PROPERTY_ENTRY_U32("realtek,over-current-threshold-microamp",
526                                 BYT_RT5651_OVCD_TH(byt_rt5651_quirk) * 100);
527 
528         props[cnt++] = PROPERTY_ENTRY_U32("realtek,over-current-scale-factor",
529                                 BYT_RT5651_OVCD_SF(byt_rt5651_quirk));
530 
531         if (byt_rt5651_quirk & BYT_RT5651_DMIC_EN)
532                 props[cnt++] = PROPERTY_ENTRY_BOOL("realtek,dmic-en");
533 
534         if (byt_rt5651_quirk & BYT_RT5651_JD_NOT_INV)
535                 props[cnt++] = PROPERTY_ENTRY_BOOL("realtek,jack-detect-not-inverted");
536 
537         return device_add_properties(i2c_dev, props);
538 }
539 
540 static int byt_rt5651_init(struct snd_soc_pcm_runtime *runtime)
541 {
542         struct snd_soc_card *card = runtime->card;
543         struct snd_soc_component *codec = runtime->codec_dai->component;
544         struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card);
545         const struct snd_soc_dapm_route *custom_map;
546         int num_routes;
547         int report;
548         int ret;
549 
550         card->dapm.idle_bias_off = true;
551 
552         /* Start with RC clk for jack-detect (we disable MCLK below) */
553         if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN)
554                 snd_soc_component_update_bits(codec, RT5651_GLB_CLK,
555                         RT5651_SCLK_SRC_MASK, RT5651_SCLK_SRC_RCCLK);
556 
557         switch (BYT_RT5651_MAP(byt_rt5651_quirk)) {
558         case BYT_RT5651_IN1_MAP:
559                 custom_map = byt_rt5651_intmic_in1_map;
560                 num_routes = ARRAY_SIZE(byt_rt5651_intmic_in1_map);
561                 break;
562         case BYT_RT5651_IN2_MAP:
563                 custom_map = byt_rt5651_intmic_in2_map;
564                 num_routes = ARRAY_SIZE(byt_rt5651_intmic_in2_map);
565                 break;
566         case BYT_RT5651_IN1_IN2_MAP:
567                 custom_map = byt_rt5651_intmic_in1_in2_map;
568                 num_routes = ARRAY_SIZE(byt_rt5651_intmic_in1_in2_map);
569                 break;
570         default:
571                 custom_map = byt_rt5651_intmic_dmic_map;
572                 num_routes = ARRAY_SIZE(byt_rt5651_intmic_dmic_map);
573         }
574         ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
575         if (ret)
576                 return ret;
577 
578         if (byt_rt5651_quirk & BYT_RT5651_SSP2_AIF2) {
579                 ret = snd_soc_dapm_add_routes(&card->dapm,
580                                         byt_rt5651_ssp2_aif2_map,
581                                         ARRAY_SIZE(byt_rt5651_ssp2_aif2_map));
582         } else if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) {
583                 ret = snd_soc_dapm_add_routes(&card->dapm,
584                                         byt_rt5651_ssp0_aif1_map,
585                                         ARRAY_SIZE(byt_rt5651_ssp0_aif1_map));
586         } else if (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2) {
587                 ret = snd_soc_dapm_add_routes(&card->dapm,
588                                         byt_rt5651_ssp0_aif2_map,
589                                         ARRAY_SIZE(byt_rt5651_ssp0_aif2_map));
590         } else {
591                 ret = snd_soc_dapm_add_routes(&card->dapm,
592                                         byt_rt5651_ssp2_aif1_map,
593                                         ARRAY_SIZE(byt_rt5651_ssp2_aif1_map));
594         }
595         if (ret)
596                 return ret;
597 
598         ret = snd_soc_add_card_controls(card, byt_rt5651_controls,
599                                         ARRAY_SIZE(byt_rt5651_controls));
600         if (ret) {
601                 dev_err(card->dev, "unable to add card controls\n");
602                 return ret;
603         }
604         snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone");
605         snd_soc_dapm_ignore_suspend(&card->dapm, "Speaker");
606 
607         if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) {
608                 /*
609                  * The firmware might enable the clock at
610                  * boot (this information may or may not
611                  * be reflected in the enable clock register).
612                  * To change the rate we must disable the clock
613                  * first to cover these cases. Due to common
614                  * clock framework restrictions that do not allow
615                  * to disable a clock that has not been enabled,
616                  * we need to enable the clock first.
617                  */
618                 ret = clk_prepare_enable(priv->mclk);
619                 if (!ret)
620                         clk_disable_unprepare(priv->mclk);
621 
622                 if (byt_rt5651_quirk & BYT_RT5651_MCLK_25MHZ)
623                         ret = clk_set_rate(priv->mclk, 25000000);
624                 else
625                         ret = clk_set_rate(priv->mclk, 19200000);
626 
627                 if (ret)
628                         dev_err(card->dev, "unable to set MCLK rate\n");
629         }
630 
631         report = 0;
632         if (BYT_RT5651_JDSRC(byt_rt5651_quirk))
633                 report = SND_JACK_HEADSET | SND_JACK_BTN_0;
634         else if (priv->hp_detect)
635                 report = SND_JACK_HEADSET;
636 
637         if (report) {
638                 ret = snd_soc_card_jack_new(runtime->card, "Headset",
639                                     report, &priv->jack, bytcr_jack_pins,
640                                     ARRAY_SIZE(bytcr_jack_pins));
641                 if (ret) {
642                         dev_err(runtime->dev, "jack creation failed %d\n", ret);
643                         return ret;
644                 }
645 
646                 if (report & SND_JACK_BTN_0)
647                         snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0,
648                                          KEY_PLAYPAUSE);
649 
650                 ret = snd_soc_component_set_jack(codec, &priv->jack,
651                                                  priv->hp_detect);
652                 if (ret)
653                         return ret;
654         }
655 
656         return 0;
657 }
658 
659 static const struct snd_soc_pcm_stream byt_rt5651_dai_params = {
660         .formats = SNDRV_PCM_FMTBIT_S24_LE,
661         .rate_min = 48000,
662         .rate_max = 48000,
663         .channels_min = 2,
664         .channels_max = 2,
665 };
666 
667 static int byt_rt5651_codec_fixup(struct snd_soc_pcm_runtime *rtd,
668                             struct snd_pcm_hw_params *params)
669 {
670         struct snd_interval *rate = hw_param_interval(params,
671                         SNDRV_PCM_HW_PARAM_RATE);
672         struct snd_interval *channels = hw_param_interval(params,
673                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
674         int ret, bits;
675 
676         /* The DSP will covert the FE rate to 48k, stereo */
677         rate->min = rate->max = 48000;
678         channels->min = channels->max = 2;
679 
680         if ((byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) ||
681             (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)) {
682                 /* set SSP0 to 16-bit */
683                 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
684                 bits = 16;
685         } else {
686                 /* set SSP2 to 24-bit */
687                 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
688                 bits = 24;
689         }
690 
691         /*
692          * Default mode for SSP configuration is TDM 4 slot, override config
693          * with explicit setting to I2S 2ch. The word length is set with
694          * dai_set_tdm_slot() since there is no other API exposed
695          */
696         ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
697                                   SND_SOC_DAIFMT_I2S     |
698                                   SND_SOC_DAIFMT_NB_NF   |
699                                   SND_SOC_DAIFMT_CBS_CFS
700                                   );
701 
702         if (ret < 0) {
703                 dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
704                 return ret;
705         }
706 
707         ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, bits);
708         if (ret < 0) {
709                 dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
710                 return ret;
711         }
712 
713         return 0;
714 }
715 
716 static const unsigned int rates_48000[] = {
717         48000,
718 };
719 
720 static const struct snd_pcm_hw_constraint_list constraints_48000 = {
721         .count = ARRAY_SIZE(rates_48000),
722         .list  = rates_48000,
723 };
724 
725 static int byt_rt5651_aif1_startup(struct snd_pcm_substream *substream)
726 {
727         return snd_pcm_hw_constraint_list(substream->runtime, 0,
728                         SNDRV_PCM_HW_PARAM_RATE,
729                         &constraints_48000);
730 }
731 
732 static const struct snd_soc_ops byt_rt5651_aif1_ops = {
733         .startup = byt_rt5651_aif1_startup,
734 };
735 
736 static const struct snd_soc_ops byt_rt5651_be_ssp2_ops = {
737         .hw_params = byt_rt5651_aif1_hw_params,
738 };
739 
740 SND_SOC_DAILINK_DEF(dummy,
741         DAILINK_COMP_ARRAY(COMP_DUMMY()));
742 
743 SND_SOC_DAILINK_DEF(media,
744         DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
745 
746 SND_SOC_DAILINK_DEF(deepbuffer,
747         DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
748 
749 SND_SOC_DAILINK_DEF(ssp2_port,
750         DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
751 SND_SOC_DAILINK_DEF(ssp2_codec,
752         DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5651:00", "rt5651-aif1")));
753 
754 SND_SOC_DAILINK_DEF(platform,
755         DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
756 
757 static struct snd_soc_dai_link byt_rt5651_dais[] = {
758         [MERR_DPCM_AUDIO] = {
759                 .name = "Audio Port",
760                 .stream_name = "Audio",
761                 .nonatomic = true,
762                 .dynamic = 1,
763                 .dpcm_playback = 1,
764                 .dpcm_capture = 1,
765                 .ops = &byt_rt5651_aif1_ops,
766                 SND_SOC_DAILINK_REG(media, dummy, platform),
767         },
768         [MERR_DPCM_DEEP_BUFFER] = {
769                 .name = "Deep-Buffer Audio Port",
770                 .stream_name = "Deep-Buffer Audio",
771                 .nonatomic = true,
772                 .dynamic = 1,
773                 .dpcm_playback = 1,
774                 .ops = &byt_rt5651_aif1_ops,
775                 SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
776         },
777         /* CODEC<->CODEC link */
778         /* back ends */
779         {
780                 .name = "SSP2-Codec",
781                 .id = 0,
782                 .no_pcm = 1,
783                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
784                                                 | SND_SOC_DAIFMT_CBS_CFS,
785                 .be_hw_params_fixup = byt_rt5651_codec_fixup,
786                 .ignore_suspend = 1,
787                 .nonatomic = true,
788                 .dpcm_playback = 1,
789                 .dpcm_capture = 1,
790                 .init = byt_rt5651_init,
791                 .ops = &byt_rt5651_be_ssp2_ops,
792                 SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform),
793         },
794 };
795 
796 /* SoC card */
797 static char byt_rt5651_codec_name[SND_ACPI_I2C_ID_LEN];
798 static char byt_rt5651_codec_aif_name[12]; /*  = "rt5651-aif[1|2]" */
799 static char byt_rt5651_cpu_dai_name[10]; /*  = "ssp[0|2]-port" */
800 static char byt_rt5651_long_name[50]; /* = "bytcr-rt5651-*-spk-*-mic[-swapped-hp]" */
801 
802 static int byt_rt5651_suspend(struct snd_soc_card *card)
803 {
804         struct snd_soc_component *component;
805 
806         if (!BYT_RT5651_JDSRC(byt_rt5651_quirk))
807                 return 0;
808 
809         for_each_card_components(card, component) {
810                 if (!strcmp(component->name, byt_rt5651_codec_name)) {
811                         dev_dbg(component->dev, "disabling jack detect before suspend\n");
812                         snd_soc_component_set_jack(component, NULL, NULL);
813                         break;
814                 }
815         }
816 
817         return 0;
818 }
819 
820 static int byt_rt5651_resume(struct snd_soc_card *card)
821 {
822         struct byt_rt5651_private *priv = snd_soc_card_get_drvdata(card);
823         struct snd_soc_component *component;
824 
825         if (!BYT_RT5651_JDSRC(byt_rt5651_quirk))
826                 return 0;
827 
828         for_each_card_components(card, component) {
829                 if (!strcmp(component->name, byt_rt5651_codec_name)) {
830                         dev_dbg(component->dev, "re-enabling jack detect after resume\n");
831                         snd_soc_component_set_jack(component, &priv->jack,
832                                                    priv->hp_detect);
833                         break;
834                 }
835         }
836 
837         return 0;
838 }
839 
840 static struct snd_soc_card byt_rt5651_card = {
841         .name = "bytcr-rt5651",
842         .owner = THIS_MODULE,
843         .dai_link = byt_rt5651_dais,
844         .num_links = ARRAY_SIZE(byt_rt5651_dais),
845         .dapm_widgets = byt_rt5651_widgets,
846         .num_dapm_widgets = ARRAY_SIZE(byt_rt5651_widgets),
847         .dapm_routes = byt_rt5651_audio_map,
848         .num_dapm_routes = ARRAY_SIZE(byt_rt5651_audio_map),
849         .fully_routed = true,
850         .suspend_pre = byt_rt5651_suspend,
851         .resume_post = byt_rt5651_resume,
852 };
853 
854 static const struct acpi_gpio_params ext_amp_enable_gpios = { 0, 0, false };
855 
856 static const struct acpi_gpio_mapping cht_rt5651_gpios[] = {
857         /*
858          * Some boards have I2cSerialBusV2, GpioIo, GpioInt as ACPI resources,
859          * other boards may  have I2cSerialBusV2, GpioInt, GpioIo instead.
860          * We want the GpioIo one for the ext-amp-enable-gpio.
861          */
862         { "ext-amp-enable-gpios", &ext_amp_enable_gpios, 1, ACPI_GPIO_QUIRK_ONLY_GPIOIO },
863         { },
864 };
865 
866 struct acpi_chan_package {   /* ACPICA seems to require 64 bit integers */
867         u64 aif_value;       /* 1: AIF1, 2: AIF2 */
868         u64 mclock_value;    /* usually 25MHz (0x17d7940), ignored */
869 };
870 
871 static int snd_byt_rt5651_mc_probe(struct platform_device *pdev)
872 {
873         static const char * const mic_name[] = { "dmic", "in1", "in2", "in12" };
874         struct byt_rt5651_private *priv;
875         struct snd_soc_acpi_mach *mach;
876         const char *platform_name;
877         struct acpi_device *adev;
878         struct device *codec_dev;
879         const char *hp_swapped;
880         bool is_bytcr = false;
881         int ret_val = 0;
882         int dai_index = 0;
883         int i;
884 
885         priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
886         if (!priv)
887                 return -ENOMEM;
888 
889         /* register the soc card */
890         byt_rt5651_card.dev = &pdev->dev;
891 
892         mach = byt_rt5651_card.dev->platform_data;
893         snd_soc_card_set_drvdata(&byt_rt5651_card, priv);
894 
895         /* fix index of codec dai */
896         for (i = 0; i < ARRAY_SIZE(byt_rt5651_dais); i++) {
897                 if (!strcmp(byt_rt5651_dais[i].codecs->name,
898                             "i2c-10EC5651:00")) {
899                         dai_index = i;
900                         break;
901                 }
902         }
903 
904         /* fixup codec name based on HID */
905         adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1);
906         if (adev) {
907                 snprintf(byt_rt5651_codec_name, sizeof(byt_rt5651_codec_name),
908                          "i2c-%s", acpi_dev_name(adev));
909                 put_device(&adev->dev);
910                 byt_rt5651_dais[dai_index].codecs->name = byt_rt5651_codec_name;
911         } else {
912                 dev_err(&pdev->dev, "Error cannot find '%s' dev\n", mach->id);
913                 return -ENODEV;
914         }
915 
916         codec_dev = bus_find_device_by_name(&i2c_bus_type, NULL,
917                                             byt_rt5651_codec_name);
918         if (!codec_dev)
919                 return -EPROBE_DEFER;
920 
921         /*
922          * swap SSP0 if bytcr is detected
923          * (will be overridden if DMI quirk is detected)
924          */
925         if (soc_intel_is_byt()) {
926                 if (mach->mach_params.acpi_ipc_irq_index == 0)
927                         is_bytcr = true;
928         }
929 
930         if (is_bytcr) {
931                 /*
932                  * Baytrail CR platforms may have CHAN package in BIOS, try
933                  * to find relevant routing quirk based as done on Windows
934                  * platforms. We have to read the information directly from the
935                  * BIOS, at this stage the card is not created and the links
936                  * with the codec driver/pdata are non-existent
937                  */
938 
939                 struct acpi_chan_package chan_package;
940 
941                 /* format specified: 2 64-bit integers */
942                 struct acpi_buffer format = {sizeof("NN"), "NN"};
943                 struct acpi_buffer state = {0, NULL};
944                 struct snd_soc_acpi_package_context pkg_ctx;
945                 bool pkg_found = false;
946 
947                 state.length = sizeof(chan_package);
948                 state.pointer = &chan_package;
949 
950                 pkg_ctx.name = "CHAN";
951                 pkg_ctx.length = 2;
952                 pkg_ctx.format = &format;
953                 pkg_ctx.state = &state;
954                 pkg_ctx.data_valid = false;
955 
956                 pkg_found = snd_soc_acpi_find_package_from_hid(mach->id,
957                                                                &pkg_ctx);
958                 if (pkg_found) {
959                         if (chan_package.aif_value == 1) {
960                                 dev_info(&pdev->dev, "BIOS Routing: AIF1 connected\n");
961                                 byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF1;
962                         } else  if (chan_package.aif_value == 2) {
963                                 dev_info(&pdev->dev, "BIOS Routing: AIF2 connected\n");
964                                 byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF2;
965                         } else {
966                                 dev_info(&pdev->dev, "BIOS Routing isn't valid, ignored\n");
967                                 pkg_found = false;
968                         }
969                 }
970 
971                 if (!pkg_found) {
972                         /* no BIOS indications, assume SSP0-AIF2 connection */
973                         byt_rt5651_quirk |= BYT_RT5651_SSP0_AIF2;
974                 }
975         }
976 
977         /* check quirks before creating card */
978         dmi_check_system(byt_rt5651_quirk_table);
979 
980         if (quirk_override != -1) {
981                 dev_info(&pdev->dev, "Overriding quirk 0x%x => 0x%x\n",
982                          (unsigned int)byt_rt5651_quirk, quirk_override);
983                 byt_rt5651_quirk = quirk_override;
984         }
985 
986         /* Must be called before register_card, also see declaration comment. */
987         ret_val = byt_rt5651_add_codec_device_props(codec_dev);
988         if (ret_val) {
989                 put_device(codec_dev);
990                 return ret_val;
991         }
992 
993         /* Cherry Trail devices use an external amplifier enable gpio */
994         if (soc_intel_is_cht() && !byt_rt5651_gpios)
995                 byt_rt5651_gpios = cht_rt5651_gpios;
996 
997         if (byt_rt5651_gpios) {
998                 devm_acpi_dev_add_driver_gpios(codec_dev, byt_rt5651_gpios);
999                 priv->ext_amp_gpio = devm_fwnode_get_index_gpiod_from_child(
1000                                                 &pdev->dev, "ext-amp-enable", 0,
1001                                                 codec_dev->fwnode,
1002                                                 GPIOD_OUT_LOW, "speaker-amp");
1003                 if (IS_ERR(priv->ext_amp_gpio)) {
1004                         ret_val = PTR_ERR(priv->ext_amp_gpio);
1005                         switch (ret_val) {
1006                         case -ENOENT:
1007                                 priv->ext_amp_gpio = NULL;
1008                                 break;
1009                         default:
1010                                 dev_err(&pdev->dev, "Failed to get ext-amp-enable GPIO: %d\n",
1011                                         ret_val);
1012                                 /* fall through */
1013                         case -EPROBE_DEFER:
1014                                 put_device(codec_dev);
1015                                 return ret_val;
1016                         }
1017                 }
1018                 priv->hp_detect = devm_fwnode_get_index_gpiod_from_child(
1019                                                 &pdev->dev, "hp-detect", 0,
1020                                                 codec_dev->fwnode,
1021                                                 GPIOD_IN, "hp-detect");
1022                 if (IS_ERR(priv->hp_detect)) {
1023                         ret_val = PTR_ERR(priv->hp_detect);
1024                         switch (ret_val) {
1025                         case -ENOENT:
1026                                 priv->hp_detect = NULL;
1027                                 break;
1028                         default:
1029                                 dev_err(&pdev->dev, "Failed to get hp-detect GPIO: %d\n",
1030                                         ret_val);
1031                                 /* fall through */
1032                         case -EPROBE_DEFER:
1033                                 put_device(codec_dev);
1034                                 return ret_val;
1035                         }
1036                 }
1037         }
1038 
1039         put_device(codec_dev);
1040 
1041         log_quirks(&pdev->dev);
1042 
1043         if ((byt_rt5651_quirk & BYT_RT5651_SSP2_AIF2) ||
1044             (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)) {
1045                 /* fixup codec aif name */
1046                 snprintf(byt_rt5651_codec_aif_name,
1047                         sizeof(byt_rt5651_codec_aif_name),
1048                         "%s", "rt5651-aif2");
1049 
1050                 byt_rt5651_dais[dai_index].codecs->dai_name =
1051                         byt_rt5651_codec_aif_name;
1052         }
1053 
1054         if ((byt_rt5651_quirk & BYT_RT5651_SSP0_AIF1) ||
1055             (byt_rt5651_quirk & BYT_RT5651_SSP0_AIF2)) {
1056                 /* fixup cpu dai name name */
1057                 snprintf(byt_rt5651_cpu_dai_name,
1058                         sizeof(byt_rt5651_cpu_dai_name),
1059                         "%s", "ssp0-port");
1060 
1061                 byt_rt5651_dais[dai_index].cpus->dai_name =
1062                         byt_rt5651_cpu_dai_name;
1063         }
1064 
1065         if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN) {
1066                 priv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
1067                 if (IS_ERR(priv->mclk)) {
1068                         ret_val = PTR_ERR(priv->mclk);
1069                         dev_err(&pdev->dev,
1070                                 "Failed to get MCLK from pmc_plt_clk_3: %d\n",
1071                                 ret_val);
1072                         /*
1073                          * Fall back to bit clock usage for -ENOENT (clock not
1074                          * available likely due to missing dependencies), bail
1075                          * for all other errors, including -EPROBE_DEFER
1076                          */
1077                         if (ret_val != -ENOENT)
1078                                 return ret_val;
1079                         byt_rt5651_quirk &= ~BYT_RT5651_MCLK_EN;
1080                 }
1081         }
1082 
1083         if (byt_rt5651_quirk & BYT_RT5651_HP_LR_SWAPPED)
1084                 hp_swapped = "-hp-swapped";
1085         else
1086                 hp_swapped = "";
1087 
1088         snprintf(byt_rt5651_long_name, sizeof(byt_rt5651_long_name),
1089                  "bytcr-rt5651-%s-spk-%s-mic%s",
1090                  (byt_rt5651_quirk & BYT_RT5651_MONO_SPEAKER) ?
1091                         "mono" : "stereo",
1092                  mic_name[BYT_RT5651_MAP(byt_rt5651_quirk)], hp_swapped);
1093         byt_rt5651_card.long_name = byt_rt5651_long_name;
1094 
1095         /* override plaform name, if required */
1096         platform_name = mach->mach_params.platform;
1097 
1098         ret_val = snd_soc_fixup_dai_links_platform_name(&byt_rt5651_card,
1099                                                         platform_name);
1100         if (ret_val)
1101                 return ret_val;
1102 
1103         ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5651_card);
1104 
1105         if (ret_val) {
1106                 dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n",
1107                         ret_val);
1108                 return ret_val;
1109         }
1110         platform_set_drvdata(pdev, &byt_rt5651_card);
1111         return ret_val;
1112 }
1113 
1114 static struct platform_driver snd_byt_rt5651_mc_driver = {
1115         .driver = {
1116                 .name = "bytcr_rt5651",
1117         },
1118         .probe = snd_byt_rt5651_mc_probe,
1119 };
1120 
1121 module_platform_driver(snd_byt_rt5651_mc_driver);
1122 
1123 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver for RT5651");
1124 MODULE_AUTHOR("Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>");
1125 MODULE_LICENSE("GPL v2");
1126 MODULE_ALIAS("platform:bytcr_rt5651");
1127 

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