xref: /openbmc/linux/sound/soc/codecs/adau1781.c (revision 3841ff1b)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Driver for ADAU1381/ADAU1781 codec
4  *
5  * Copyright 2011-2013 Analog Devices Inc.
6  * Author: Lars-Peter Clausen <lars@metafoo.de>
7  */
8 
9 #include <linux/module.h>
10 #include <linux/init.h>
11 #include <linux/i2c.h>
12 #include <linux/spi/spi.h>
13 #include <linux/slab.h>
14 #include <sound/core.h>
15 #include <sound/pcm.h>
16 #include <sound/pcm_params.h>
17 #include <sound/soc.h>
18 #include <sound/tlv.h>
19 #include <linux/platform_data/adau17x1.h>
20 
21 #include "adau17x1.h"
22 #include "adau1781.h"
23 
24 #define ADAU1781_DMIC_BEEP_CTRL		0x4008
25 #define ADAU1781_LEFT_PGA		0x400e
26 #define ADAU1781_RIGHT_PGA		0x400f
27 #define ADAU1781_LEFT_PLAYBACK_MIXER	0x401c
28 #define ADAU1781_RIGHT_PLAYBACK_MIXER	0x401e
29 #define ADAU1781_MONO_PLAYBACK_MIXER	0x401f
30 #define ADAU1781_LEFT_LINEOUT		0x4025
31 #define ADAU1781_RIGHT_LINEOUT		0x4026
32 #define ADAU1781_SPEAKER		0x4027
33 #define ADAU1781_BEEP_ZC		0x4028
34 #define ADAU1781_DEJITTER		0x4032
35 #define ADAU1781_DIG_PWDN0		0x4080
36 #define ADAU1781_DIG_PWDN1		0x4081
37 
38 #define ADAU1781_INPUT_DIFFERNTIAL BIT(3)
39 
40 #define ADAU1381_FIRMWARE "adau1381.bin"
41 #define ADAU1781_FIRMWARE "adau1781.bin"
42 
43 static const struct reg_default adau1781_reg_defaults[] = {
44 	{ ADAU1781_DMIC_BEEP_CTRL,		0x00 },
45 	{ ADAU1781_LEFT_PGA,			0xc7 },
46 	{ ADAU1781_RIGHT_PGA,			0xc7 },
47 	{ ADAU1781_LEFT_PLAYBACK_MIXER,		0x00 },
48 	{ ADAU1781_RIGHT_PLAYBACK_MIXER,	0x00 },
49 	{ ADAU1781_MONO_PLAYBACK_MIXER,		0x00 },
50 	{ ADAU1781_LEFT_LINEOUT,		0x00 },
51 	{ ADAU1781_RIGHT_LINEOUT,		0x00 },
52 	{ ADAU1781_SPEAKER,			0x00 },
53 	{ ADAU1781_BEEP_ZC,			0x19 },
54 	{ ADAU1781_DEJITTER,			0x60 },
55 	{ ADAU1781_DIG_PWDN1,			0x0c },
56 	{ ADAU1781_DIG_PWDN1,			0x00 },
57 	{ ADAU17X1_CLOCK_CONTROL,		0x00 },
58 	{ ADAU17X1_PLL_CONTROL,			0x00 },
59 	{ ADAU17X1_REC_POWER_MGMT,		0x00 },
60 	{ ADAU17X1_MICBIAS,			0x04 },
61 	{ ADAU17X1_SERIAL_PORT0,		0x00 },
62 	{ ADAU17X1_SERIAL_PORT1,		0x00 },
63 	{ ADAU17X1_CONVERTER0,			0x00 },
64 	{ ADAU17X1_CONVERTER1,			0x00 },
65 	{ ADAU17X1_LEFT_INPUT_DIGITAL_VOL,	0x00 },
66 	{ ADAU17X1_RIGHT_INPUT_DIGITAL_VOL,	0x00 },
67 	{ ADAU17X1_ADC_CONTROL,			0x00 },
68 	{ ADAU17X1_PLAY_POWER_MGMT,		0x00 },
69 	{ ADAU17X1_DAC_CONTROL0,		0x00 },
70 	{ ADAU17X1_DAC_CONTROL1,		0x00 },
71 	{ ADAU17X1_DAC_CONTROL2,		0x00 },
72 	{ ADAU17X1_SERIAL_PORT_PAD,		0x00 },
73 	{ ADAU17X1_CONTROL_PORT_PAD0,		0x00 },
74 	{ ADAU17X1_CONTROL_PORT_PAD1,		0x00 },
75 	{ ADAU17X1_DSP_SAMPLING_RATE,		0x01 },
76 	{ ADAU17X1_SERIAL_INPUT_ROUTE,		0x00 },
77 	{ ADAU17X1_SERIAL_OUTPUT_ROUTE,		0x00 },
78 	{ ADAU17X1_DSP_ENABLE,			0x00 },
79 	{ ADAU17X1_DSP_RUN,			0x00 },
80 	{ ADAU17X1_SERIAL_SAMPLING_RATE,	0x00 },
81 };
82 
83 static const DECLARE_TLV_DB_SCALE(adau1781_speaker_tlv, 0, 200, 0);
84 
85 static const DECLARE_TLV_DB_RANGE(adau1781_pga_tlv,
86 	0, 1, TLV_DB_SCALE_ITEM(0, 600, 0),
87 	2, 3, TLV_DB_SCALE_ITEM(1000, 400, 0),
88 	4, 4, TLV_DB_SCALE_ITEM(1700, 0, 0),
89 	5, 7, TLV_DB_SCALE_ITEM(2000, 600, 0)
90 );
91 
92 static const DECLARE_TLV_DB_RANGE(adau1781_beep_tlv,
93 	0, 1, TLV_DB_SCALE_ITEM(0, 600, 0),
94 	2, 3, TLV_DB_SCALE_ITEM(1000, 400, 0),
95 	4, 4, TLV_DB_SCALE_ITEM(-2300, 0, 0),
96 	5, 7, TLV_DB_SCALE_ITEM(2000, 600, 0)
97 );
98 
99 static const DECLARE_TLV_DB_SCALE(adau1781_sidetone_tlv, -1800, 300, 1);
100 
101 static const char * const adau1781_speaker_bias_select_text[] = {
102 	"Normal operation", "Power saving", "Enhanced performance",
103 };
104 
105 static const char * const adau1781_bias_select_text[] = {
106 	"Normal operation", "Extreme power saving", "Power saving",
107 	"Enhanced performance",
108 };
109 
110 static SOC_ENUM_SINGLE_DECL(adau1781_adc_bias_enum,
111 		ADAU17X1_REC_POWER_MGMT, 3, adau1781_bias_select_text);
112 static SOC_ENUM_SINGLE_DECL(adau1781_speaker_bias_enum,
113 		ADAU17X1_PLAY_POWER_MGMT, 6, adau1781_speaker_bias_select_text);
114 static SOC_ENUM_SINGLE_DECL(adau1781_dac_bias_enum,
115 		ADAU17X1_PLAY_POWER_MGMT, 4, adau1781_bias_select_text);
116 static SOC_ENUM_SINGLE_DECL(adau1781_playback_bias_enum,
117 		ADAU17X1_PLAY_POWER_MGMT, 2, adau1781_bias_select_text);
118 static SOC_ENUM_SINGLE_DECL(adau1781_capture_bias_enum,
119 		ADAU17X1_REC_POWER_MGMT, 1, adau1781_bias_select_text);
120 
121 static const struct snd_kcontrol_new adau1781_controls[] = {
122 	SOC_SINGLE_TLV("Beep Capture Volume", ADAU1781_DMIC_BEEP_CTRL, 0, 7, 0,
123 		adau1781_beep_tlv),
124 	SOC_DOUBLE_R_TLV("PGA Capture Volume", ADAU1781_LEFT_PGA,
125 		ADAU1781_RIGHT_PGA, 5, 7, 0, adau1781_pga_tlv),
126 	SOC_DOUBLE_R("PGA Capture Switch", ADAU1781_LEFT_PGA,
127 		ADAU1781_RIGHT_PGA, 1, 1, 0),
128 
129 	SOC_DOUBLE_R("Lineout Playback Switch", ADAU1781_LEFT_LINEOUT,
130 		ADAU1781_RIGHT_LINEOUT, 1, 1, 0),
131 	SOC_SINGLE("Beep ZC Switch", ADAU1781_BEEP_ZC, 0, 1, 0),
132 
133 	SOC_SINGLE("Mono Playback Switch", ADAU1781_MONO_PLAYBACK_MIXER,
134 		0, 1, 0),
135 	SOC_SINGLE_TLV("Mono Playback Volume", ADAU1781_SPEAKER, 6, 3, 0,
136 		adau1781_speaker_tlv),
137 
138 	SOC_ENUM("ADC Bias", adau1781_adc_bias_enum),
139 	SOC_ENUM("DAC Bias", adau1781_dac_bias_enum),
140 	SOC_ENUM("Capture Bias", adau1781_capture_bias_enum),
141 	SOC_ENUM("Playback Bias", adau1781_playback_bias_enum),
142 	SOC_ENUM("Speaker Bias", adau1781_speaker_bias_enum),
143 };
144 
145 static const struct snd_kcontrol_new adau1781_beep_mixer_controls[] = {
146 	SOC_DAPM_SINGLE("Beep Capture Switch", ADAU1781_DMIC_BEEP_CTRL,
147 		3, 1, 0),
148 };
149 
150 static const struct snd_kcontrol_new adau1781_left_mixer_controls[] = {
151 	SOC_DAPM_SINGLE_AUTODISABLE("Switch",
152 		ADAU1781_LEFT_PLAYBACK_MIXER, 5, 1, 0),
153 	SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
154 		ADAU1781_LEFT_PLAYBACK_MIXER, 1, 8, 0, adau1781_sidetone_tlv),
155 };
156 
157 static const struct snd_kcontrol_new adau1781_right_mixer_controls[] = {
158 	SOC_DAPM_SINGLE_AUTODISABLE("Switch",
159 		ADAU1781_RIGHT_PLAYBACK_MIXER, 6, 1, 0),
160 	SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
161 		ADAU1781_LEFT_PLAYBACK_MIXER, 1, 8, 0, adau1781_sidetone_tlv),
162 };
163 
164 static const struct snd_kcontrol_new adau1781_mono_mixer_controls[] = {
165 	SOC_DAPM_SINGLE_AUTODISABLE("Left Switch",
166 		ADAU1781_MONO_PLAYBACK_MIXER, 7, 1, 0),
167 	SOC_DAPM_SINGLE_AUTODISABLE("Right Switch",
168 		 ADAU1781_MONO_PLAYBACK_MIXER, 6, 1, 0),
169 	SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
170 		ADAU1781_MONO_PLAYBACK_MIXER, 2, 8, 0, adau1781_sidetone_tlv),
171 };
172 
adau1781_dejitter_fixup(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)173 static int adau1781_dejitter_fixup(struct snd_soc_dapm_widget *w,
174 	struct snd_kcontrol *kcontrol, int event)
175 {
176 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
177 	struct adau *adau = snd_soc_component_get_drvdata(component);
178 
179 	/* After any power changes have been made the dejitter circuit
180 	 * has to be reinitialized. */
181 	regmap_write(adau->regmap, ADAU1781_DEJITTER, 0);
182 	if (!adau->master)
183 		regmap_write(adau->regmap, ADAU1781_DEJITTER, 5);
184 
185 	return 0;
186 }
187 
188 static const struct snd_soc_dapm_widget adau1781_dapm_widgets[] = {
189 	SND_SOC_DAPM_PGA("Left PGA", ADAU1781_LEFT_PGA, 0, 0, NULL, 0),
190 	SND_SOC_DAPM_PGA("Right PGA", ADAU1781_RIGHT_PGA, 0, 0, NULL, 0),
191 
192 	SND_SOC_DAPM_OUT_DRV("Speaker", ADAU1781_SPEAKER, 0, 0, NULL, 0),
193 
194 	SOC_MIXER_NAMED_CTL_ARRAY("Beep Mixer", ADAU17X1_MICBIAS, 4, 0,
195 		adau1781_beep_mixer_controls),
196 
197 	SOC_MIXER_ARRAY("Left Lineout Mixer", SND_SOC_NOPM, 0, 0,
198 		adau1781_left_mixer_controls),
199 	SOC_MIXER_ARRAY("Right Lineout Mixer", SND_SOC_NOPM, 0, 0,
200 		adau1781_right_mixer_controls),
201 	SOC_MIXER_ARRAY("Mono Mixer", SND_SOC_NOPM, 0, 0,
202 		adau1781_mono_mixer_controls),
203 
204 	SND_SOC_DAPM_SUPPLY("Serial Input Routing", ADAU1781_DIG_PWDN0,
205 		2, 0, NULL, 0),
206 	SND_SOC_DAPM_SUPPLY("Serial Output Routing", ADAU1781_DIG_PWDN0,
207 		3, 0, NULL, 0),
208 	SND_SOC_DAPM_SUPPLY("Clock Domain Transfer", ADAU1781_DIG_PWDN0,
209 		5, 0, NULL, 0),
210 	SND_SOC_DAPM_SUPPLY("Serial Ports", ADAU1781_DIG_PWDN0, 4, 0, NULL, 0),
211 	SND_SOC_DAPM_SUPPLY("ADC Engine", ADAU1781_DIG_PWDN0, 7, 0, NULL, 0),
212 	SND_SOC_DAPM_SUPPLY("DAC Engine", ADAU1781_DIG_PWDN1, 0, 0, NULL, 0),
213 	SND_SOC_DAPM_SUPPLY("Digital Mic", ADAU1781_DIG_PWDN1, 1, 0, NULL, 0),
214 
215 	SND_SOC_DAPM_SUPPLY("Sound Engine", ADAU1781_DIG_PWDN0, 0, 0, NULL, 0),
216 	SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, ADAU1781_DIG_PWDN0, 1, 0, NULL, 0),
217 
218 	SND_SOC_DAPM_SUPPLY("Zero Crossing Detector", ADAU1781_DIG_PWDN1, 2, 0,
219 		NULL, 0),
220 
221 	SND_SOC_DAPM_POST("Dejitter fixup", adau1781_dejitter_fixup),
222 
223 	SND_SOC_DAPM_INPUT("BEEP"),
224 
225 	SND_SOC_DAPM_OUTPUT("AOUTL"),
226 	SND_SOC_DAPM_OUTPUT("AOUTR"),
227 	SND_SOC_DAPM_OUTPUT("SP"),
228 	SND_SOC_DAPM_INPUT("LMIC"),
229 	SND_SOC_DAPM_INPUT("RMIC"),
230 };
231 
232 static const struct snd_soc_dapm_route adau1781_dapm_routes[] = {
233 	{ "Left Lineout Mixer", NULL, "Left Playback Enable" },
234 	{ "Right Lineout Mixer", NULL, "Right Playback Enable" },
235 
236 	{ "Left Lineout Mixer", "Beep Playback Volume", "Beep Mixer" },
237 	{ "Left Lineout Mixer", "Switch", "Left DAC" },
238 
239 	{ "Right Lineout Mixer", "Beep Playback Volume", "Beep Mixer" },
240 	{ "Right Lineout Mixer", "Switch", "Right DAC" },
241 
242 	{ "Mono Mixer", "Beep Playback Volume", "Beep Mixer" },
243 	{ "Mono Mixer", "Right Switch", "Right DAC" },
244 	{ "Mono Mixer", "Left Switch", "Left DAC" },
245 	{ "Speaker", NULL, "Mono Mixer" },
246 
247 	{ "Mono Mixer", NULL, "SYSCLK" },
248 	{ "Left Lineout Mixer", NULL, "SYSCLK" },
249 	{ "Left Lineout Mixer", NULL, "SYSCLK" },
250 
251 	{ "Beep Mixer", "Beep Capture Switch", "BEEP" },
252 	{ "Beep Mixer", NULL, "Zero Crossing Detector" },
253 
254 	{ "Left DAC", NULL, "DAC Engine" },
255 	{ "Right DAC", NULL, "DAC Engine" },
256 
257 	{ "Sound Engine", NULL, "SYSCLK" },
258 	{ "DSP", NULL, "Sound Engine" },
259 
260 	{ "Left Decimator", NULL, "ADC Engine" },
261 	{ "Right Decimator", NULL, "ADC Engine" },
262 
263 	{ "AIFCLK", NULL, "SYSCLK" },
264 
265 	{ "Playback", NULL, "Serial Input Routing" },
266 	{ "Playback", NULL, "Serial Ports" },
267 	{ "Playback", NULL, "Clock Domain Transfer" },
268 	{ "Capture", NULL, "Serial Output Routing" },
269 	{ "Capture", NULL, "Serial Ports" },
270 	{ "Capture", NULL, "Clock Domain Transfer" },
271 
272 	{ "AOUTL", NULL, "Left Lineout Mixer" },
273 	{ "AOUTR", NULL, "Right Lineout Mixer" },
274 	{ "SP", NULL, "Speaker" },
275 };
276 
277 static const struct snd_soc_dapm_route adau1781_adc_dapm_routes[] = {
278 	{ "Left PGA", NULL, "LMIC" },
279 	{ "Right PGA", NULL, "RMIC" },
280 
281 	{ "Left Decimator", NULL, "Left PGA" },
282 	{ "Right Decimator", NULL, "Right PGA" },
283 };
284 
285 static const char * const adau1781_dmic_select_text[] = {
286 	"DMIC1", "DMIC2",
287 };
288 
289 static SOC_ENUM_SINGLE_VIRT_DECL(adau1781_dmic_select_enum,
290 	adau1781_dmic_select_text);
291 
292 static const struct snd_kcontrol_new adau1781_dmic_mux =
293 	SOC_DAPM_ENUM("DMIC Select", adau1781_dmic_select_enum);
294 
295 static const struct snd_soc_dapm_widget adau1781_dmic_dapm_widgets[] = {
296 	SND_SOC_DAPM_MUX("DMIC Select", SND_SOC_NOPM, 0, 0, &adau1781_dmic_mux),
297 
298 	SND_SOC_DAPM_ADC("DMIC1", NULL, ADAU1781_DMIC_BEEP_CTRL, 4, 0),
299 	SND_SOC_DAPM_ADC("DMIC2", NULL, ADAU1781_DMIC_BEEP_CTRL, 5, 0),
300 };
301 
302 static const struct snd_soc_dapm_route adau1781_dmic_dapm_routes[] = {
303 	{ "DMIC1", NULL, "LMIC" },
304 	{ "DMIC2", NULL, "RMIC" },
305 
306 	{ "DMIC1", NULL, "Digital Mic" },
307 	{ "DMIC2", NULL, "Digital Mic" },
308 
309 	{ "DMIC Select", "DMIC1", "DMIC1" },
310 	{ "DMIC Select", "DMIC2", "DMIC2" },
311 
312 	{ "Left Decimator", NULL, "DMIC Select" },
313 	{ "Right Decimator", NULL, "DMIC Select" },
314 };
315 
adau1781_set_bias_level(struct snd_soc_component * component,enum snd_soc_bias_level level)316 static int adau1781_set_bias_level(struct snd_soc_component *component,
317 		enum snd_soc_bias_level level)
318 {
319 	struct adau *adau = snd_soc_component_get_drvdata(component);
320 
321 	switch (level) {
322 	case SND_SOC_BIAS_ON:
323 		break;
324 	case SND_SOC_BIAS_PREPARE:
325 		break;
326 	case SND_SOC_BIAS_STANDBY:
327 		regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
328 			ADAU17X1_CLOCK_CONTROL_SYSCLK_EN,
329 			ADAU17X1_CLOCK_CONTROL_SYSCLK_EN);
330 
331 		/* Precharge */
332 		regmap_update_bits(adau->regmap, ADAU1781_DIG_PWDN1, 0x8, 0x8);
333 		break;
334 	case SND_SOC_BIAS_OFF:
335 		regmap_update_bits(adau->regmap, ADAU1781_DIG_PWDN1, 0xc, 0x0);
336 		regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
337 			ADAU17X1_CLOCK_CONTROL_SYSCLK_EN, 0);
338 		break;
339 	}
340 
341 	return 0;
342 }
343 
adau1781_readable_register(struct device * dev,unsigned int reg)344 static bool adau1781_readable_register(struct device *dev, unsigned int reg)
345 {
346 	switch (reg) {
347 	case ADAU1781_DMIC_BEEP_CTRL:
348 	case ADAU1781_LEFT_PGA:
349 	case ADAU1781_RIGHT_PGA:
350 	case ADAU1781_LEFT_PLAYBACK_MIXER:
351 	case ADAU1781_RIGHT_PLAYBACK_MIXER:
352 	case ADAU1781_MONO_PLAYBACK_MIXER:
353 	case ADAU1781_LEFT_LINEOUT:
354 	case ADAU1781_RIGHT_LINEOUT:
355 	case ADAU1781_SPEAKER:
356 	case ADAU1781_BEEP_ZC:
357 	case ADAU1781_DEJITTER:
358 	case ADAU1781_DIG_PWDN0:
359 	case ADAU1781_DIG_PWDN1:
360 		return true;
361 	default:
362 		break;
363 	}
364 
365 	return adau17x1_readable_register(dev, reg);
366 }
367 
adau1781_set_input_mode(struct adau * adau,unsigned int reg,bool differential)368 static int adau1781_set_input_mode(struct adau *adau, unsigned int reg,
369 	bool differential)
370 {
371 	unsigned int val;
372 
373 	if (differential)
374 		val = ADAU1781_INPUT_DIFFERNTIAL;
375 	else
376 		val = 0;
377 
378 	return regmap_update_bits(adau->regmap, reg,
379 		ADAU1781_INPUT_DIFFERNTIAL, val);
380 }
381 
adau1781_component_probe(struct snd_soc_component * component)382 static int adau1781_component_probe(struct snd_soc_component *component)
383 {
384 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
385 	struct adau1781_platform_data *pdata = dev_get_platdata(component->dev);
386 	struct adau *adau = snd_soc_component_get_drvdata(component);
387 	int ret;
388 
389 	ret = adau17x1_add_widgets(component);
390 	if (ret)
391 		return ret;
392 
393 	if (pdata) {
394 		ret = adau1781_set_input_mode(adau, ADAU1781_LEFT_PGA,
395 			pdata->left_input_differential);
396 		if (ret)
397 			return ret;
398 		ret = adau1781_set_input_mode(adau, ADAU1781_RIGHT_PGA,
399 			pdata->right_input_differential);
400 		if (ret)
401 			return ret;
402 	}
403 
404 	if (pdata && pdata->use_dmic) {
405 		ret = snd_soc_dapm_new_controls(dapm,
406 			adau1781_dmic_dapm_widgets,
407 			ARRAY_SIZE(adau1781_dmic_dapm_widgets));
408 		if (ret)
409 			return ret;
410 		ret = snd_soc_dapm_add_routes(dapm, adau1781_dmic_dapm_routes,
411 			ARRAY_SIZE(adau1781_dmic_dapm_routes));
412 		if (ret)
413 			return ret;
414 	} else {
415 		ret = snd_soc_dapm_add_routes(dapm, adau1781_adc_dapm_routes,
416 			ARRAY_SIZE(adau1781_adc_dapm_routes));
417 		if (ret)
418 			return ret;
419 	}
420 
421 	ret = adau17x1_add_routes(component);
422 	if (ret < 0)
423 		return ret;
424 
425 	return 0;
426 }
427 
428 static const struct snd_soc_component_driver adau1781_component_driver = {
429 	.probe			= adau1781_component_probe,
430 	.resume			= adau17x1_resume,
431 	.set_bias_level		= adau1781_set_bias_level,
432 	.controls		= adau1781_controls,
433 	.num_controls		= ARRAY_SIZE(adau1781_controls),
434 	.dapm_widgets		= adau1781_dapm_widgets,
435 	.num_dapm_widgets	= ARRAY_SIZE(adau1781_dapm_widgets),
436 	.dapm_routes		= adau1781_dapm_routes,
437 	.num_dapm_routes	= ARRAY_SIZE(adau1781_dapm_routes),
438 	.suspend_bias_off	= 1,
439 	.idle_bias_on		= 1,
440 	.use_pmdown_time	= 1,
441 	.endianness		= 1,
442 };
443 
444 #define ADAU1781_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
445 	SNDRV_PCM_FMTBIT_S32_LE)
446 
447 static struct snd_soc_dai_driver adau1781_dai_driver = {
448 	.name = "adau-hifi",
449 	.playback = {
450 		.stream_name = "Playback",
451 		.channels_min = 2,
452 		.channels_max = 8,
453 		.rates = SNDRV_PCM_RATE_8000_96000,
454 		.formats = ADAU1781_FORMATS,
455 	},
456 	.capture = {
457 		.stream_name = "Capture",
458 		.channels_min = 2,
459 		.channels_max = 8,
460 		.rates = SNDRV_PCM_RATE_8000_96000,
461 		.formats = ADAU1781_FORMATS,
462 	},
463 	.ops = &adau17x1_dai_ops,
464 };
465 
466 const struct regmap_config adau1781_regmap_config = {
467 	.val_bits		= 8,
468 	.reg_bits		= 16,
469 	.max_register		= 0x40f8,
470 	.reg_defaults		= adau1781_reg_defaults,
471 	.num_reg_defaults	= ARRAY_SIZE(adau1781_reg_defaults),
472 	.readable_reg		= adau1781_readable_register,
473 	.volatile_reg		= adau17x1_volatile_register,
474 	.precious_reg		= adau17x1_precious_register,
475 	.cache_type		= REGCACHE_MAPLE,
476 };
477 EXPORT_SYMBOL_GPL(adau1781_regmap_config);
478 
adau1781_probe(struct device * dev,struct regmap * regmap,enum adau17x1_type type,void (* switch_mode)(struct device * dev))479 int adau1781_probe(struct device *dev, struct regmap *regmap,
480 	enum adau17x1_type type, void (*switch_mode)(struct device *dev))
481 {
482 	const char *firmware_name;
483 	int ret;
484 
485 	switch (type) {
486 	case ADAU1381:
487 		firmware_name = ADAU1381_FIRMWARE;
488 		break;
489 	case ADAU1781:
490 		firmware_name = ADAU1781_FIRMWARE;
491 		break;
492 	default:
493 		return -EINVAL;
494 	}
495 
496 	ret = adau17x1_probe(dev, regmap, type, switch_mode, firmware_name);
497 	if (ret)
498 		return ret;
499 
500 	return devm_snd_soc_register_component(dev, &adau1781_component_driver,
501 		&adau1781_dai_driver, 1);
502 }
503 EXPORT_SYMBOL_GPL(adau1781_probe);
504 
505 MODULE_DESCRIPTION("ASoC ADAU1381/ADAU1781 driver");
506 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
507 MODULE_LICENSE("GPL");
508