1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Driver for ADAU1361/ADAU1461/ADAU1761/ADAU1961 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 "adau1761.h"
23 
24 #define ADAU1761_DIGMIC_JACKDETECT	0x4008
25 #define ADAU1761_REC_MIXER_LEFT0	0x400a
26 #define ADAU1761_REC_MIXER_LEFT1	0x400b
27 #define ADAU1761_REC_MIXER_RIGHT0	0x400c
28 #define ADAU1761_REC_MIXER_RIGHT1	0x400d
29 #define ADAU1761_LEFT_DIFF_INPUT_VOL	0x400e
30 #define ADAU1761_RIGHT_DIFF_INPUT_VOL	0x400f
31 #define ADAU1761_ALC_CTRL0		0x4011
32 #define ADAU1761_ALC_CTRL1		0x4012
33 #define ADAU1761_ALC_CTRL2		0x4013
34 #define ADAU1761_ALC_CTRL3		0x4014
35 #define ADAU1761_PLAY_LR_MIXER_LEFT	0x4020
36 #define ADAU1761_PLAY_MIXER_LEFT0	0x401c
37 #define ADAU1761_PLAY_MIXER_LEFT1	0x401d
38 #define ADAU1761_PLAY_MIXER_RIGHT0	0x401e
39 #define ADAU1761_PLAY_MIXER_RIGHT1	0x401f
40 #define ADAU1761_PLAY_LR_MIXER_RIGHT	0x4021
41 #define ADAU1761_PLAY_MIXER_MONO	0x4022
42 #define ADAU1761_PLAY_HP_LEFT_VOL	0x4023
43 #define ADAU1761_PLAY_HP_RIGHT_VOL	0x4024
44 #define ADAU1761_PLAY_LINE_LEFT_VOL	0x4025
45 #define ADAU1761_PLAY_LINE_RIGHT_VOL	0x4026
46 #define ADAU1761_PLAY_MONO_OUTPUT_VOL	0x4027
47 #define ADAU1761_POP_CLICK_SUPPRESS	0x4028
48 #define ADAU1761_JACK_DETECT_PIN	0x4031
49 #define ADAU1761_DEJITTER		0x4036
50 #define ADAU1761_CLK_ENABLE0		0x40f9
51 #define ADAU1761_CLK_ENABLE1		0x40fa
52 
53 #define ADAU1761_DIGMIC_JACKDETECT_ACTIVE_LOW	BIT(0)
54 #define ADAU1761_DIGMIC_JACKDETECT_DIGMIC	BIT(5)
55 
56 #define ADAU1761_DIFF_INPUT_VOL_LDEN		BIT(0)
57 
58 #define ADAU1761_PLAY_MONO_OUTPUT_VOL_MODE_HP	BIT(0)
59 #define ADAU1761_PLAY_MONO_OUTPUT_VOL_UNMUTE	BIT(1)
60 
61 #define ADAU1761_PLAY_HP_RIGHT_VOL_MODE_HP	BIT(0)
62 
63 #define ADAU1761_PLAY_LINE_LEFT_VOL_MODE_HP	BIT(0)
64 
65 #define ADAU1761_PLAY_LINE_RIGHT_VOL_MODE_HP	BIT(0)
66 
67 
68 #define ADAU1761_FIRMWARE "adau1761.bin"
69 
70 static const struct reg_default adau1761_reg_defaults[] = {
71 	{ ADAU1761_DEJITTER,			0x03 },
72 	{ ADAU1761_DIGMIC_JACKDETECT,		0x00 },
73 	{ ADAU1761_REC_MIXER_LEFT0,		0x00 },
74 	{ ADAU1761_REC_MIXER_LEFT1,		0x00 },
75 	{ ADAU1761_REC_MIXER_RIGHT0,		0x00 },
76 	{ ADAU1761_REC_MIXER_RIGHT1,		0x00 },
77 	{ ADAU1761_LEFT_DIFF_INPUT_VOL,		0x00 },
78 	{ ADAU1761_ALC_CTRL0,			0x00 },
79 	{ ADAU1761_ALC_CTRL1,			0x00 },
80 	{ ADAU1761_ALC_CTRL2,			0x00 },
81 	{ ADAU1761_ALC_CTRL3,			0x00 },
82 	{ ADAU1761_RIGHT_DIFF_INPUT_VOL,	0x00 },
83 	{ ADAU1761_PLAY_LR_MIXER_LEFT,		0x00 },
84 	{ ADAU1761_PLAY_MIXER_LEFT0,		0x00 },
85 	{ ADAU1761_PLAY_MIXER_LEFT1,		0x00 },
86 	{ ADAU1761_PLAY_MIXER_RIGHT0,		0x00 },
87 	{ ADAU1761_PLAY_MIXER_RIGHT1,		0x00 },
88 	{ ADAU1761_PLAY_LR_MIXER_RIGHT,		0x00 },
89 	{ ADAU1761_PLAY_MIXER_MONO,		0x00 },
90 	{ ADAU1761_PLAY_HP_LEFT_VOL,		0x00 },
91 	{ ADAU1761_PLAY_HP_RIGHT_VOL,		0x00 },
92 	{ ADAU1761_PLAY_LINE_LEFT_VOL,		0x00 },
93 	{ ADAU1761_PLAY_LINE_RIGHT_VOL,		0x00 },
94 	{ ADAU1761_PLAY_MONO_OUTPUT_VOL,	0x00 },
95 	{ ADAU1761_POP_CLICK_SUPPRESS,		0x00 },
96 	{ ADAU1761_JACK_DETECT_PIN,		0x00 },
97 	{ ADAU1761_CLK_ENABLE0,			0x00 },
98 	{ ADAU1761_CLK_ENABLE1,			0x00 },
99 	{ ADAU17X1_CLOCK_CONTROL,		0x00 },
100 	{ ADAU17X1_PLL_CONTROL,			0x00 },
101 	{ ADAU17X1_REC_POWER_MGMT,		0x00 },
102 	{ ADAU17X1_MICBIAS,			0x00 },
103 	{ ADAU17X1_SERIAL_PORT0,		0x00 },
104 	{ ADAU17X1_SERIAL_PORT1,		0x00 },
105 	{ ADAU17X1_CONVERTER0,			0x00 },
106 	{ ADAU17X1_CONVERTER1,			0x00 },
107 	{ ADAU17X1_LEFT_INPUT_DIGITAL_VOL,	0x00 },
108 	{ ADAU17X1_RIGHT_INPUT_DIGITAL_VOL,	0x00 },
109 	{ ADAU17X1_ADC_CONTROL,			0x00 },
110 	{ ADAU17X1_PLAY_POWER_MGMT,		0x00 },
111 	{ ADAU17X1_DAC_CONTROL0,		0x00 },
112 	{ ADAU17X1_DAC_CONTROL1,		0x00 },
113 	{ ADAU17X1_DAC_CONTROL2,		0x00 },
114 	{ ADAU17X1_SERIAL_PORT_PAD,		0xaa },
115 	{ ADAU17X1_CONTROL_PORT_PAD0,		0xaa },
116 	{ ADAU17X1_CONTROL_PORT_PAD1,		0x00 },
117 	{ ADAU17X1_DSP_SAMPLING_RATE,		0x01 },
118 	{ ADAU17X1_SERIAL_INPUT_ROUTE,		0x00 },
119 	{ ADAU17X1_SERIAL_OUTPUT_ROUTE,		0x00 },
120 	{ ADAU17X1_DSP_ENABLE,			0x00 },
121 	{ ADAU17X1_DSP_RUN,			0x00 },
122 	{ ADAU17X1_SERIAL_SAMPLING_RATE,	0x00 },
123 };
124 
125 static const DECLARE_TLV_DB_SCALE(adau1761_sing_in_tlv, -1500, 300, 1);
126 static const DECLARE_TLV_DB_SCALE(adau1761_diff_in_tlv, -1200, 75, 0);
127 static const DECLARE_TLV_DB_SCALE(adau1761_out_tlv, -5700, 100, 0);
128 static const DECLARE_TLV_DB_SCALE(adau1761_sidetone_tlv, -1800, 300, 1);
129 static const DECLARE_TLV_DB_SCALE(adau1761_boost_tlv, -600, 600, 1);
130 static const DECLARE_TLV_DB_SCALE(adau1761_pga_boost_tlv, -2000, 2000, 1);
131 
132 static const DECLARE_TLV_DB_SCALE(adau1761_alc_max_gain_tlv, -1200, 600, 0);
133 static const DECLARE_TLV_DB_SCALE(adau1761_alc_target_tlv, -2850, 150, 0);
134 static const DECLARE_TLV_DB_SCALE(adau1761_alc_ng_threshold_tlv, -7650, 150, 0);
135 
136 static const unsigned int adau1761_bias_select_values[] = {
137 	0, 2, 3,
138 };
139 
140 static const char * const adau1761_bias_select_text[] = {
141 	"Normal operation", "Enhanced performance", "Power saving",
142 };
143 
144 static const char * const adau1761_bias_select_extreme_text[] = {
145 	"Normal operation", "Extreme power saving", "Enhanced performance",
146 	"Power saving",
147 };
148 
149 static SOC_ENUM_SINGLE_DECL(adau1761_adc_bias_enum,
150 		ADAU17X1_REC_POWER_MGMT, 3, adau1761_bias_select_extreme_text);
151 static SOC_ENUM_SINGLE_DECL(adau1761_hp_bias_enum,
152 		ADAU17X1_PLAY_POWER_MGMT, 6, adau1761_bias_select_extreme_text);
153 static SOC_ENUM_SINGLE_DECL(adau1761_dac_bias_enum,
154 		ADAU17X1_PLAY_POWER_MGMT, 4, adau1761_bias_select_extreme_text);
155 static SOC_VALUE_ENUM_SINGLE_DECL(adau1761_playback_bias_enum,
156 		ADAU17X1_PLAY_POWER_MGMT, 2, 0x3, adau1761_bias_select_text,
157 		adau1761_bias_select_values);
158 static SOC_VALUE_ENUM_SINGLE_DECL(adau1761_capture_bias_enum,
159 		ADAU17X1_REC_POWER_MGMT, 1, 0x3, adau1761_bias_select_text,
160 		adau1761_bias_select_values);
161 
162 static const unsigned int adau1761_pga_slew_time_values[] = {
163 	3, 0, 1, 2,
164 };
165 
166 static const char * const adau1761_pga_slew_time_text[] = {
167 	"Off",
168 	"24 ms",
169 	"48 ms",
170 	"96 ms",
171 };
172 
173 static const char * const adau1761_alc_function_text[] = {
174 	"Off",
175 	"Right",
176 	"Left",
177 	"Stereo",
178 	"DSP control",
179 };
180 
181 static const char * const adau1761_alc_hold_time_text[] = {
182 	"2.67 ms",
183 	"5.34 ms",
184 	"10.68 ms",
185 	"21.36 ms",
186 	"42.72 ms",
187 	"85.44 ms",
188 	"170.88 ms",
189 	"341.76 ms",
190 	"683.52 ms",
191 	"1367 ms",
192 	"2734.1 ms",
193 	"5468.2 ms",
194 	"10936 ms",
195 	"21873 ms",
196 	"43745 ms",
197 	"87491 ms",
198 };
199 
200 static const char * const adau1761_alc_attack_time_text[] = {
201 	"6 ms",
202 	"12 ms",
203 	"24 ms",
204 	"48 ms",
205 	"96 ms",
206 	"192 ms",
207 	"384 ms",
208 	"768 ms",
209 	"1540 ms",
210 	"3070 ms",
211 	"6140 ms",
212 	"12290 ms",
213 	"24580 ms",
214 	"49150 ms",
215 	"98300 ms",
216 	"196610 ms",
217 };
218 
219 static const char * const adau1761_alc_decay_time_text[] = {
220 	"24 ms",
221 	"48 ms",
222 	"96 ms",
223 	"192 ms",
224 	"384 ms",
225 	"768 ms",
226 	"15400 ms",
227 	"30700 ms",
228 	"61400 ms",
229 	"12290 ms",
230 	"24580 ms",
231 	"49150 ms",
232 	"98300 ms",
233 	"196610 ms",
234 	"393220 ms",
235 	"786430 ms",
236 };
237 
238 static const char * const adau1761_alc_ng_type_text[] = {
239 	"Hold",
240 	"Mute",
241 	"Fade",
242 	"Fade + Mute",
243 };
244 
245 static SOC_VALUE_ENUM_SINGLE_DECL(adau1761_pga_slew_time_enum,
246 		ADAU1761_ALC_CTRL0, 6, 0x3, adau1761_pga_slew_time_text,
247 		adau1761_pga_slew_time_values);
248 static SOC_ENUM_SINGLE_DECL(adau1761_alc_function_enum,
249 		ADAU1761_ALC_CTRL0, 0, adau1761_alc_function_text);
250 static SOC_ENUM_SINGLE_DECL(adau1761_alc_hold_time_enum,
251 		ADAU1761_ALC_CTRL1, 4, adau1761_alc_hold_time_text);
252 static SOC_ENUM_SINGLE_DECL(adau1761_alc_attack_time_enum,
253 		ADAU1761_ALC_CTRL2, 4, adau1761_alc_attack_time_text);
254 static SOC_ENUM_SINGLE_DECL(adau1761_alc_decay_time_enum,
255 		ADAU1761_ALC_CTRL2, 0, adau1761_alc_decay_time_text);
256 static SOC_ENUM_SINGLE_DECL(adau1761_alc_ng_type_enum,
257 		ADAU1761_ALC_CTRL3, 6, adau1761_alc_ng_type_text);
258 
259 static const struct snd_kcontrol_new adau1761_jack_detect_controls[] = {
260 	SOC_SINGLE("Speaker Auto-mute Switch", ADAU1761_DIGMIC_JACKDETECT,
261 		4, 1, 0),
262 };
263 
264 static const struct snd_kcontrol_new adau1761_differential_mode_controls[] = {
265 	SOC_DOUBLE_R_TLV("Capture Volume", ADAU1761_LEFT_DIFF_INPUT_VOL,
266 		ADAU1761_RIGHT_DIFF_INPUT_VOL, 2, 0x3f, 0,
267 		adau1761_diff_in_tlv),
268 	SOC_DOUBLE_R("Capture Switch", ADAU1761_LEFT_DIFF_INPUT_VOL,
269 		ADAU1761_RIGHT_DIFF_INPUT_VOL, 1, 1, 0),
270 
271 	SOC_DOUBLE_R_TLV("PGA Boost Capture Volume", ADAU1761_REC_MIXER_LEFT1,
272 		ADAU1761_REC_MIXER_RIGHT1, 3, 2, 0, adau1761_pga_boost_tlv),
273 
274 	SOC_ENUM("PGA Capture Slew Time", adau1761_pga_slew_time_enum),
275 
276 	SOC_SINGLE_TLV("ALC Capture Max Gain Volume", ADAU1761_ALC_CTRL0,
277 		3, 7, 0, adau1761_alc_max_gain_tlv),
278 	SOC_ENUM("ALC Capture Function", adau1761_alc_function_enum),
279 	SOC_ENUM("ALC Capture Hold Time", adau1761_alc_hold_time_enum),
280 	SOC_SINGLE_TLV("ALC Capture Target Volume", ADAU1761_ALC_CTRL1,
281 		0, 15, 0, adau1761_alc_target_tlv),
282 	SOC_ENUM("ALC Capture Attack Time", adau1761_alc_decay_time_enum),
283 	SOC_ENUM("ALC Capture Decay Time", adau1761_alc_attack_time_enum),
284 	SOC_ENUM("ALC Capture Noise Gate Type", adau1761_alc_ng_type_enum),
285 	SOC_SINGLE("ALC Capture Noise Gate Switch",
286 		ADAU1761_ALC_CTRL3, 5, 1, 0),
287 	SOC_SINGLE_TLV("ALC Capture Noise Gate Threshold Volume",
288 		ADAU1761_ALC_CTRL3, 0, 31, 0, adau1761_alc_ng_threshold_tlv),
289 };
290 
291 static const struct snd_kcontrol_new adau1761_single_mode_controls[] = {
292 	SOC_SINGLE_TLV("Input 1 Capture Volume", ADAU1761_REC_MIXER_LEFT0,
293 		4, 7, 0, adau1761_sing_in_tlv),
294 	SOC_SINGLE_TLV("Input 2 Capture Volume", ADAU1761_REC_MIXER_LEFT0,
295 		1, 7, 0, adau1761_sing_in_tlv),
296 	SOC_SINGLE_TLV("Input 3 Capture Volume", ADAU1761_REC_MIXER_RIGHT0,
297 		4, 7, 0, adau1761_sing_in_tlv),
298 	SOC_SINGLE_TLV("Input 4 Capture Volume", ADAU1761_REC_MIXER_RIGHT0,
299 		1, 7, 0, adau1761_sing_in_tlv),
300 };
301 
302 static const struct snd_kcontrol_new adau1761_controls[] = {
303 	SOC_DOUBLE_R_TLV("Aux Capture Volume", ADAU1761_REC_MIXER_LEFT1,
304 		ADAU1761_REC_MIXER_RIGHT1, 0, 7, 0, adau1761_sing_in_tlv),
305 
306 	SOC_DOUBLE_R_TLV("Headphone Playback Volume", ADAU1761_PLAY_HP_LEFT_VOL,
307 		ADAU1761_PLAY_HP_RIGHT_VOL, 2, 0x3f, 0, adau1761_out_tlv),
308 	SOC_DOUBLE_R("Headphone Playback Switch", ADAU1761_PLAY_HP_LEFT_VOL,
309 		ADAU1761_PLAY_HP_RIGHT_VOL, 1, 1, 0),
310 	SOC_DOUBLE_R_TLV("Lineout Playback Volume", ADAU1761_PLAY_LINE_LEFT_VOL,
311 		ADAU1761_PLAY_LINE_RIGHT_VOL, 2, 0x3f, 0, adau1761_out_tlv),
312 	SOC_DOUBLE_R("Lineout Playback Switch", ADAU1761_PLAY_LINE_LEFT_VOL,
313 		ADAU1761_PLAY_LINE_RIGHT_VOL, 1, 1, 0),
314 
315 	SOC_ENUM("ADC Bias", adau1761_adc_bias_enum),
316 	SOC_ENUM("DAC Bias", adau1761_dac_bias_enum),
317 	SOC_ENUM("Capture Bias", adau1761_capture_bias_enum),
318 	SOC_ENUM("Playback Bias", adau1761_playback_bias_enum),
319 	SOC_ENUM("Headphone Bias", adau1761_hp_bias_enum),
320 };
321 
322 static const struct snd_kcontrol_new adau1761_mono_controls[] = {
323 	SOC_SINGLE_TLV("Mono Playback Volume", ADAU1761_PLAY_MONO_OUTPUT_VOL,
324 		2, 0x3f, 0, adau1761_out_tlv),
325 	SOC_SINGLE("Mono Playback Switch", ADAU1761_PLAY_MONO_OUTPUT_VOL,
326 		1, 1, 0),
327 };
328 
329 static const struct snd_kcontrol_new adau1761_left_mixer_controls[] = {
330 	SOC_DAPM_SINGLE_AUTODISABLE("Left DAC Switch",
331 		ADAU1761_PLAY_MIXER_LEFT0, 5, 1, 0),
332 	SOC_DAPM_SINGLE_AUTODISABLE("Right DAC Switch",
333 		ADAU1761_PLAY_MIXER_LEFT0, 6, 1, 0),
334 	SOC_DAPM_SINGLE_TLV("Aux Bypass Volume",
335 		ADAU1761_PLAY_MIXER_LEFT0, 1, 8, 0, adau1761_sidetone_tlv),
336 	SOC_DAPM_SINGLE_TLV("Right Bypass Volume",
337 		ADAU1761_PLAY_MIXER_LEFT1, 4, 8, 0, adau1761_sidetone_tlv),
338 	SOC_DAPM_SINGLE_TLV("Left Bypass Volume",
339 		ADAU1761_PLAY_MIXER_LEFT1, 0, 8, 0, adau1761_sidetone_tlv),
340 };
341 
342 static const struct snd_kcontrol_new adau1761_right_mixer_controls[] = {
343 	SOC_DAPM_SINGLE_AUTODISABLE("Left DAC Switch",
344 		ADAU1761_PLAY_MIXER_RIGHT0, 5, 1, 0),
345 	SOC_DAPM_SINGLE_AUTODISABLE("Right DAC Switch",
346 		ADAU1761_PLAY_MIXER_RIGHT0, 6, 1, 0),
347 	SOC_DAPM_SINGLE_TLV("Aux Bypass Volume",
348 		ADAU1761_PLAY_MIXER_RIGHT0, 1, 8, 0, adau1761_sidetone_tlv),
349 	SOC_DAPM_SINGLE_TLV("Right Bypass Volume",
350 		ADAU1761_PLAY_MIXER_RIGHT1, 4, 8, 0, adau1761_sidetone_tlv),
351 	SOC_DAPM_SINGLE_TLV("Left Bypass Volume",
352 		ADAU1761_PLAY_MIXER_RIGHT1, 0, 8, 0, adau1761_sidetone_tlv),
353 };
354 
355 static const struct snd_kcontrol_new adau1761_left_lr_mixer_controls[] = {
356 	SOC_DAPM_SINGLE_TLV("Left Volume",
357 		ADAU1761_PLAY_LR_MIXER_LEFT, 1, 2, 0, adau1761_boost_tlv),
358 	SOC_DAPM_SINGLE_TLV("Right Volume",
359 		ADAU1761_PLAY_LR_MIXER_LEFT, 3, 2, 0, adau1761_boost_tlv),
360 };
361 
362 static const struct snd_kcontrol_new adau1761_right_lr_mixer_controls[] = {
363 	SOC_DAPM_SINGLE_TLV("Left Volume",
364 		ADAU1761_PLAY_LR_MIXER_RIGHT, 1, 2, 0, adau1761_boost_tlv),
365 	SOC_DAPM_SINGLE_TLV("Right Volume",
366 		ADAU1761_PLAY_LR_MIXER_RIGHT, 3, 2, 0, adau1761_boost_tlv),
367 };
368 
369 static const char * const adau1761_input_mux_text[] = {
370 	"ADC", "DMIC",
371 };
372 
373 static SOC_ENUM_SINGLE_DECL(adau1761_input_mux_enum,
374 	ADAU17X1_ADC_CONTROL, 2, adau1761_input_mux_text);
375 
376 static const struct snd_kcontrol_new adau1761_input_mux_control =
377 	SOC_DAPM_ENUM("Input Select", adau1761_input_mux_enum);
378 
adau1761_dejitter_fixup(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)379 static int adau1761_dejitter_fixup(struct snd_soc_dapm_widget *w,
380 	struct snd_kcontrol *kcontrol, int event)
381 {
382 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
383 	struct adau *adau = snd_soc_component_get_drvdata(component);
384 
385 	/* After any power changes have been made the dejitter circuit
386 	 * has to be reinitialized. */
387 	regmap_write(adau->regmap, ADAU1761_DEJITTER, 0);
388 	if (!adau->master)
389 		regmap_write(adau->regmap, ADAU1761_DEJITTER, 3);
390 
391 	return 0;
392 }
393 
394 static const struct snd_soc_dapm_widget adau1x61_dapm_widgets[] = {
395 	SND_SOC_DAPM_MIXER("Left Input Mixer", ADAU1761_REC_MIXER_LEFT0, 0, 0,
396 		NULL, 0),
397 	SND_SOC_DAPM_MIXER("Right Input Mixer", ADAU1761_REC_MIXER_RIGHT0, 0, 0,
398 		NULL, 0),
399 
400 	SOC_MIXER_ARRAY("Left Playback Mixer", ADAU1761_PLAY_MIXER_LEFT0,
401 		0, 0, adau1761_left_mixer_controls),
402 	SOC_MIXER_ARRAY("Right Playback Mixer", ADAU1761_PLAY_MIXER_RIGHT0,
403 		0, 0, adau1761_right_mixer_controls),
404 	SOC_MIXER_ARRAY("Left LR Playback Mixer", ADAU1761_PLAY_LR_MIXER_LEFT,
405 		0, 0, adau1761_left_lr_mixer_controls),
406 	SOC_MIXER_ARRAY("Right LR Playback Mixer", ADAU1761_PLAY_LR_MIXER_RIGHT,
407 		0, 0, adau1761_right_lr_mixer_controls),
408 
409 	SND_SOC_DAPM_SUPPLY("Headphone", ADAU1761_PLAY_HP_LEFT_VOL,
410 		0, 0, NULL, 0),
411 
412 	SND_SOC_DAPM_SUPPLY_S("SYSCLK", 2, SND_SOC_NOPM, 0, 0, NULL, 0),
413 
414 	SND_SOC_DAPM_POST("Dejitter fixup", adau1761_dejitter_fixup),
415 
416 	SND_SOC_DAPM_INPUT("LAUX"),
417 	SND_SOC_DAPM_INPUT("RAUX"),
418 	SND_SOC_DAPM_INPUT("LINP"),
419 	SND_SOC_DAPM_INPUT("LINN"),
420 	SND_SOC_DAPM_INPUT("RINP"),
421 	SND_SOC_DAPM_INPUT("RINN"),
422 
423 	SND_SOC_DAPM_OUTPUT("LOUT"),
424 	SND_SOC_DAPM_OUTPUT("ROUT"),
425 	SND_SOC_DAPM_OUTPUT("LHP"),
426 	SND_SOC_DAPM_OUTPUT("RHP"),
427 };
428 
429 static const struct snd_soc_dapm_widget adau1761_mono_dapm_widgets[] = {
430 	SND_SOC_DAPM_MIXER("Mono Playback Mixer", ADAU1761_PLAY_MIXER_MONO,
431 		0, 0, NULL, 0),
432 
433 	SND_SOC_DAPM_OUTPUT("MONOOUT"),
434 };
435 
436 static const struct snd_soc_dapm_widget adau1761_capless_dapm_widgets[] = {
437 	SND_SOC_DAPM_SUPPLY_S("Headphone VGND", 1, ADAU1761_PLAY_MIXER_MONO,
438 		0, 0, NULL, 0),
439 };
440 
441 static const struct snd_soc_dapm_route adau1x61_dapm_routes[] = {
442 	{ "Left Input Mixer", NULL, "LINP" },
443 	{ "Left Input Mixer", NULL, "LINN" },
444 	{ "Left Input Mixer", NULL, "LAUX" },
445 
446 	{ "Right Input Mixer", NULL, "RINP" },
447 	{ "Right Input Mixer", NULL, "RINN" },
448 	{ "Right Input Mixer", NULL, "RAUX" },
449 
450 	{ "Left Playback Mixer", NULL, "Left Playback Enable"},
451 	{ "Right Playback Mixer", NULL, "Right Playback Enable"},
452 	{ "Left LR Playback Mixer", NULL, "Left Playback Enable"},
453 	{ "Right LR Playback Mixer", NULL, "Right Playback Enable"},
454 
455 	{ "Left Playback Mixer", "Left DAC Switch", "Left DAC" },
456 	{ "Left Playback Mixer", "Right DAC Switch", "Right DAC" },
457 
458 	{ "Right Playback Mixer", "Left DAC Switch", "Left DAC" },
459 	{ "Right Playback Mixer", "Right DAC Switch", "Right DAC" },
460 
461 	{ "Left LR Playback Mixer", "Left Volume", "Left Playback Mixer" },
462 	{ "Left LR Playback Mixer", "Right Volume", "Right Playback Mixer" },
463 
464 	{ "Right LR Playback Mixer", "Left Volume", "Left Playback Mixer" },
465 	{ "Right LR Playback Mixer", "Right Volume", "Right Playback Mixer" },
466 
467 	{ "LHP", NULL, "Left Playback Mixer" },
468 	{ "RHP", NULL, "Right Playback Mixer" },
469 
470 	{ "LHP", NULL, "Headphone" },
471 	{ "RHP", NULL, "Headphone" },
472 
473 	{ "LOUT", NULL, "Left LR Playback Mixer" },
474 	{ "ROUT", NULL, "Right LR Playback Mixer" },
475 
476 	{ "Left Playback Mixer", "Aux Bypass Volume", "LAUX" },
477 	{ "Left Playback Mixer", "Left Bypass Volume", "Left Input Mixer" },
478 	{ "Left Playback Mixer", "Right Bypass Volume", "Right Input Mixer" },
479 	{ "Right Playback Mixer", "Aux Bypass Volume", "RAUX" },
480 	{ "Right Playback Mixer", "Left Bypass Volume", "Left Input Mixer" },
481 	{ "Right Playback Mixer", "Right Bypass Volume", "Right Input Mixer" },
482 };
483 
484 static const struct snd_soc_dapm_route adau1761_mono_dapm_routes[] = {
485 	{ "Mono Playback Mixer", NULL, "Left Playback Mixer" },
486 	{ "Mono Playback Mixer", NULL, "Right Playback Mixer" },
487 
488 	{ "MONOOUT", NULL, "Mono Playback Mixer" },
489 };
490 
491 static const struct snd_soc_dapm_route adau1761_capless_dapm_routes[] = {
492 	{ "Headphone", NULL, "Headphone VGND" },
493 };
494 
495 static const struct snd_soc_dapm_widget adau1761_dmic_widgets[] = {
496 	SND_SOC_DAPM_MUX("Left Decimator Mux", SND_SOC_NOPM, 0, 0,
497 		&adau1761_input_mux_control),
498 	SND_SOC_DAPM_MUX("Right Decimator Mux", SND_SOC_NOPM, 0, 0,
499 		&adau1761_input_mux_control),
500 
501 	SND_SOC_DAPM_INPUT("DMIC"),
502 };
503 
504 static const struct snd_soc_dapm_route adau1761_dmic_routes[] = {
505 	{ "Left Decimator Mux", "ADC", "Left Input Mixer" },
506 	{ "Left Decimator Mux", "DMIC", "DMIC" },
507 	{ "Right Decimator Mux", "ADC", "Right Input Mixer" },
508 	{ "Right Decimator Mux", "DMIC", "DMIC" },
509 
510 	{ "Left Decimator", NULL, "Left Decimator Mux" },
511 	{ "Right Decimator", NULL, "Right Decimator Mux" },
512 };
513 
514 static const struct snd_soc_dapm_route adau1761_no_dmic_routes[] = {
515 	{ "Left Decimator", NULL, "Left Input Mixer" },
516 	{ "Right Decimator", NULL, "Right Input Mixer" },
517 };
518 
519 static const struct snd_soc_dapm_widget adau1761_dapm_widgets[] = {
520 	SND_SOC_DAPM_SUPPLY("Serial Port Clock", ADAU1761_CLK_ENABLE0,
521 		0, 0, NULL, 0),
522 	SND_SOC_DAPM_SUPPLY("Serial Input Routing Clock", ADAU1761_CLK_ENABLE0,
523 		1, 0, NULL, 0),
524 	SND_SOC_DAPM_SUPPLY("Serial Output Routing Clock", ADAU1761_CLK_ENABLE0,
525 		3, 0, NULL, 0),
526 
527 	SND_SOC_DAPM_SUPPLY("Decimator Resync Clock", ADAU1761_CLK_ENABLE0,
528 		4, 0, NULL, 0),
529 	SND_SOC_DAPM_SUPPLY("Interpolator Resync Clock", ADAU1761_CLK_ENABLE0,
530 		2, 0, NULL, 0),
531 
532 	SND_SOC_DAPM_SUPPLY("Slew Clock", ADAU1761_CLK_ENABLE0, 6, 0, NULL, 0),
533 	SND_SOC_DAPM_SUPPLY("ALC Clock", ADAU1761_CLK_ENABLE0, 5, 0, NULL, 0),
534 
535 	SND_SOC_DAPM_SUPPLY_S("Digital Clock 0", 1, ADAU1761_CLK_ENABLE1,
536 		0, 0, NULL, 0),
537 	SND_SOC_DAPM_SUPPLY_S("Digital Clock 1", 1, ADAU1761_CLK_ENABLE1,
538 		1, 0, NULL, 0),
539 };
540 
541 static const struct snd_soc_dapm_route adau1761_dapm_routes[] = {
542 	{ "Left Decimator", NULL, "Digital Clock 0", },
543 	{ "Right Decimator", NULL, "Digital Clock 0", },
544 	{ "Left DAC", NULL, "Digital Clock 0", },
545 	{ "Right DAC", NULL, "Digital Clock 0", },
546 
547 	{ "AIFCLK", NULL, "Digital Clock 1" },
548 
549 	{ "Playback", NULL, "Serial Port Clock" },
550 	{ "Capture", NULL, "Serial Port Clock" },
551 	{ "Playback", NULL, "Serial Input Routing Clock" },
552 	{ "Capture", NULL, "Serial Output Routing Clock" },
553 
554 	{ "Left Decimator", NULL, "Decimator Resync Clock" },
555 	{ "Right Decimator", NULL, "Decimator Resync Clock" },
556 	{ "Left DAC", NULL, "Interpolator Resync Clock" },
557 	{ "Right DAC", NULL, "Interpolator Resync Clock" },
558 
559 	{ "Slew Clock", NULL, "Digital Clock 0" },
560 	{ "Right Playback Mixer", NULL, "Slew Clock" },
561 	{ "Left Playback Mixer", NULL, "Slew Clock" },
562 
563 	{ "Left Input Mixer", NULL, "ALC Clock" },
564 	{ "Right Input Mixer", NULL, "ALC Clock" },
565 
566 	{ "Digital Clock 0", NULL, "SYSCLK" },
567 	{ "Digital Clock 1", NULL, "SYSCLK" },
568 };
569 
570 static const struct snd_soc_dapm_route adau1761_dapm_dsp_routes[] = {
571 	{ "DSP", NULL, "Digital Clock 0" },
572 };
573 
adau1761_compatibility_probe(struct device * dev)574 static int adau1761_compatibility_probe(struct device *dev)
575 {
576 	struct adau *adau = dev_get_drvdata(dev);
577 	struct regmap *regmap = adau->regmap;
578 	int val, ret = 0;
579 
580 	/* Only consider compatibility mode when ADAU1361 was specified. */
581 	if (adau->type != ADAU1361)
582 		return 0;
583 
584 	regcache_cache_bypass(regmap, true);
585 
586 	/*
587 	 * This will enable the core clock and bypass the PLL,
588 	 * so that we can access the registers for probing purposes
589 	 * (without having to set up the PLL).
590 	 */
591 	regmap_write(regmap, ADAU17X1_CLOCK_CONTROL,
592 		ADAU17X1_CLOCK_CONTROL_SYSCLK_EN);
593 
594 	/*
595 	 * ADAU17X1_SERIAL_SAMPLING_RATE doesn't exist in non-DSP chips;
596 	 * reading it results in zero at all times, and write is a no-op.
597 	 * Use this register to probe for ADAU1761.
598 	 */
599 	regmap_write(regmap, ADAU17X1_SERIAL_SAMPLING_RATE, 1);
600 	ret = regmap_read(regmap, ADAU17X1_SERIAL_SAMPLING_RATE, &val);
601 	if (ret)
602 		goto exit;
603 	if (val != 1)
604 		goto exit;
605 	regmap_write(regmap, ADAU17X1_SERIAL_SAMPLING_RATE, 0);
606 	ret = regmap_read(regmap, ADAU17X1_SERIAL_SAMPLING_RATE, &val);
607 	if (ret)
608 		goto exit;
609 	if (val != 0)
610 		goto exit;
611 
612 	adau->type = ADAU1761_AS_1361;
613 exit:
614 	/* Disable core clock after probing. */
615 	regmap_write(regmap, ADAU17X1_CLOCK_CONTROL, 0);
616 	regcache_cache_bypass(regmap, false);
617 	return ret;
618 }
619 
adau1761_set_bias_level(struct snd_soc_component * component,enum snd_soc_bias_level level)620 static int adau1761_set_bias_level(struct snd_soc_component *component,
621 				 enum snd_soc_bias_level level)
622 {
623 	struct adau *adau = snd_soc_component_get_drvdata(component);
624 
625 	switch (level) {
626 	case SND_SOC_BIAS_ON:
627 		break;
628 	case SND_SOC_BIAS_PREPARE:
629 		break;
630 	case SND_SOC_BIAS_STANDBY:
631 		regcache_cache_only(adau->regmap, false);
632 		regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
633 			ADAU17X1_CLOCK_CONTROL_SYSCLK_EN,
634 			ADAU17X1_CLOCK_CONTROL_SYSCLK_EN);
635 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
636 			regcache_sync(adau->regmap);
637 		break;
638 	case SND_SOC_BIAS_OFF:
639 		regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
640 			ADAU17X1_CLOCK_CONTROL_SYSCLK_EN, 0);
641 		regcache_cache_only(adau->regmap, true);
642 		break;
643 
644 	}
645 	return 0;
646 }
647 
adau1761_get_lineout_mode(struct snd_soc_component * component)648 static enum adau1761_output_mode adau1761_get_lineout_mode(
649 	struct snd_soc_component *component)
650 {
651 	struct adau1761_platform_data *pdata = component->dev->platform_data;
652 
653 	if (pdata)
654 		return pdata->lineout_mode;
655 
656 	return ADAU1761_OUTPUT_MODE_LINE;
657 }
658 
adau1761_setup_digmic_jackdetect(struct snd_soc_component * component)659 static int adau1761_setup_digmic_jackdetect(struct snd_soc_component *component)
660 {
661 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
662 	struct adau1761_platform_data *pdata = component->dev->platform_data;
663 	struct adau *adau = snd_soc_component_get_drvdata(component);
664 	enum adau1761_digmic_jackdet_pin_mode mode;
665 	unsigned int val = 0;
666 	int ret;
667 
668 	if (pdata)
669 		mode = pdata->digmic_jackdetect_pin_mode;
670 	else
671 		mode = ADAU1761_DIGMIC_JACKDET_PIN_MODE_NONE;
672 
673 	switch (mode) {
674 	case ADAU1761_DIGMIC_JACKDET_PIN_MODE_JACKDETECT:
675 		switch (pdata->jackdetect_debounce_time) {
676 		case ADAU1761_JACKDETECT_DEBOUNCE_5MS:
677 		case ADAU1761_JACKDETECT_DEBOUNCE_10MS:
678 		case ADAU1761_JACKDETECT_DEBOUNCE_20MS:
679 		case ADAU1761_JACKDETECT_DEBOUNCE_40MS:
680 			val |= pdata->jackdetect_debounce_time << 6;
681 			break;
682 		default:
683 			return -EINVAL;
684 		}
685 		if (pdata->jackdetect_active_low)
686 			val |= ADAU1761_DIGMIC_JACKDETECT_ACTIVE_LOW;
687 
688 		ret = snd_soc_add_component_controls(component,
689 			adau1761_jack_detect_controls,
690 			ARRAY_SIZE(adau1761_jack_detect_controls));
691 		if (ret)
692 			return ret;
693 		fallthrough;
694 	case ADAU1761_DIGMIC_JACKDET_PIN_MODE_NONE:
695 		ret = snd_soc_dapm_add_routes(dapm, adau1761_no_dmic_routes,
696 			ARRAY_SIZE(adau1761_no_dmic_routes));
697 		if (ret)
698 			return ret;
699 		break;
700 	case ADAU1761_DIGMIC_JACKDET_PIN_MODE_DIGMIC:
701 		ret = snd_soc_dapm_new_controls(dapm, adau1761_dmic_widgets,
702 			ARRAY_SIZE(adau1761_dmic_widgets));
703 		if (ret)
704 			return ret;
705 
706 		ret = snd_soc_dapm_add_routes(dapm, adau1761_dmic_routes,
707 			ARRAY_SIZE(adau1761_dmic_routes));
708 		if (ret)
709 			return ret;
710 
711 		val |= ADAU1761_DIGMIC_JACKDETECT_DIGMIC;
712 		break;
713 	default:
714 		return -EINVAL;
715 	}
716 
717 	regmap_write(adau->regmap, ADAU1761_DIGMIC_JACKDETECT, val);
718 
719 	return 0;
720 }
721 
adau1761_setup_headphone_mode(struct snd_soc_component * component)722 static int adau1761_setup_headphone_mode(struct snd_soc_component *component)
723 {
724 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
725 	struct adau *adau = snd_soc_component_get_drvdata(component);
726 	struct adau1761_platform_data *pdata = component->dev->platform_data;
727 	enum adau1761_output_mode mode;
728 	int ret;
729 
730 	if (pdata)
731 		mode = pdata->headphone_mode;
732 	else
733 		mode = ADAU1761_OUTPUT_MODE_HEADPHONE;
734 
735 	switch (mode) {
736 	case ADAU1761_OUTPUT_MODE_LINE:
737 		break;
738 	case ADAU1761_OUTPUT_MODE_HEADPHONE_CAPLESS:
739 		regmap_update_bits(adau->regmap, ADAU1761_PLAY_MONO_OUTPUT_VOL,
740 			ADAU1761_PLAY_MONO_OUTPUT_VOL_MODE_HP |
741 			ADAU1761_PLAY_MONO_OUTPUT_VOL_UNMUTE,
742 			ADAU1761_PLAY_MONO_OUTPUT_VOL_MODE_HP |
743 			ADAU1761_PLAY_MONO_OUTPUT_VOL_UNMUTE);
744 		fallthrough;
745 	case ADAU1761_OUTPUT_MODE_HEADPHONE:
746 		regmap_update_bits(adau->regmap, ADAU1761_PLAY_HP_RIGHT_VOL,
747 			ADAU1761_PLAY_HP_RIGHT_VOL_MODE_HP,
748 			ADAU1761_PLAY_HP_RIGHT_VOL_MODE_HP);
749 		break;
750 	default:
751 		return -EINVAL;
752 	}
753 
754 	if (mode == ADAU1761_OUTPUT_MODE_HEADPHONE_CAPLESS) {
755 		ret = snd_soc_dapm_new_controls(dapm,
756 			adau1761_capless_dapm_widgets,
757 			ARRAY_SIZE(adau1761_capless_dapm_widgets));
758 		if (ret)
759 			return ret;
760 		ret = snd_soc_dapm_add_routes(dapm,
761 			adau1761_capless_dapm_routes,
762 			ARRAY_SIZE(adau1761_capless_dapm_routes));
763 	} else {
764 		ret = snd_soc_add_component_controls(component, adau1761_mono_controls,
765 			ARRAY_SIZE(adau1761_mono_controls));
766 		if (ret)
767 			return ret;
768 		ret = snd_soc_dapm_new_controls(dapm,
769 			adau1761_mono_dapm_widgets,
770 			ARRAY_SIZE(adau1761_mono_dapm_widgets));
771 		if (ret)
772 			return ret;
773 		ret = snd_soc_dapm_add_routes(dapm,
774 			adau1761_mono_dapm_routes,
775 			ARRAY_SIZE(adau1761_mono_dapm_routes));
776 	}
777 
778 	return ret;
779 }
780 
adau1761_readable_register(struct device * dev,unsigned int reg)781 static bool adau1761_readable_register(struct device *dev, unsigned int reg)
782 {
783 	switch (reg) {
784 	case ADAU1761_DIGMIC_JACKDETECT:
785 	case ADAU1761_REC_MIXER_LEFT0:
786 	case ADAU1761_REC_MIXER_LEFT1:
787 	case ADAU1761_REC_MIXER_RIGHT0:
788 	case ADAU1761_REC_MIXER_RIGHT1:
789 	case ADAU1761_LEFT_DIFF_INPUT_VOL:
790 	case ADAU1761_RIGHT_DIFF_INPUT_VOL:
791 	case ADAU1761_PLAY_LR_MIXER_LEFT:
792 	case ADAU1761_PLAY_MIXER_LEFT0:
793 	case ADAU1761_PLAY_MIXER_LEFT1:
794 	case ADAU1761_PLAY_MIXER_RIGHT0:
795 	case ADAU1761_PLAY_MIXER_RIGHT1:
796 	case ADAU1761_PLAY_LR_MIXER_RIGHT:
797 	case ADAU1761_PLAY_MIXER_MONO:
798 	case ADAU1761_PLAY_HP_LEFT_VOL:
799 	case ADAU1761_PLAY_HP_RIGHT_VOL:
800 	case ADAU1761_PLAY_LINE_LEFT_VOL:
801 	case ADAU1761_PLAY_LINE_RIGHT_VOL:
802 	case ADAU1761_PLAY_MONO_OUTPUT_VOL:
803 	case ADAU1761_POP_CLICK_SUPPRESS:
804 	case ADAU1761_JACK_DETECT_PIN:
805 	case ADAU1761_DEJITTER:
806 	case ADAU1761_CLK_ENABLE0:
807 	case ADAU1761_CLK_ENABLE1:
808 	case ADAU1761_ALC_CTRL0:
809 	case ADAU1761_ALC_CTRL1:
810 	case ADAU1761_ALC_CTRL2:
811 	case ADAU1761_ALC_CTRL3:
812 		return true;
813 	default:
814 		break;
815 	}
816 
817 	return adau17x1_readable_register(dev, reg);
818 }
819 
adau1761_component_probe(struct snd_soc_component * component)820 static int adau1761_component_probe(struct snd_soc_component *component)
821 {
822 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
823 	struct adau1761_platform_data *pdata = component->dev->platform_data;
824 	struct adau *adau = snd_soc_component_get_drvdata(component);
825 	int ret;
826 
827 	ret = adau17x1_add_widgets(component);
828 	if (ret < 0)
829 		return ret;
830 
831 	if (pdata && pdata->input_differential) {
832 		regmap_update_bits(adau->regmap, ADAU1761_LEFT_DIFF_INPUT_VOL,
833 			ADAU1761_DIFF_INPUT_VOL_LDEN,
834 			ADAU1761_DIFF_INPUT_VOL_LDEN);
835 		regmap_update_bits(adau->regmap, ADAU1761_RIGHT_DIFF_INPUT_VOL,
836 			ADAU1761_DIFF_INPUT_VOL_LDEN,
837 			ADAU1761_DIFF_INPUT_VOL_LDEN);
838 		ret = snd_soc_add_component_controls(component,
839 			adau1761_differential_mode_controls,
840 			ARRAY_SIZE(adau1761_differential_mode_controls));
841 		if (ret)
842 			return ret;
843 	} else {
844 		ret = snd_soc_add_component_controls(component,
845 			adau1761_single_mode_controls,
846 			ARRAY_SIZE(adau1761_single_mode_controls));
847 		if (ret)
848 			return ret;
849 	}
850 
851 	switch (adau1761_get_lineout_mode(component)) {
852 	case ADAU1761_OUTPUT_MODE_LINE:
853 		break;
854 	case ADAU1761_OUTPUT_MODE_HEADPHONE:
855 		regmap_update_bits(adau->regmap, ADAU1761_PLAY_LINE_LEFT_VOL,
856 			ADAU1761_PLAY_LINE_LEFT_VOL_MODE_HP,
857 			ADAU1761_PLAY_LINE_LEFT_VOL_MODE_HP);
858 		regmap_update_bits(adau->regmap, ADAU1761_PLAY_LINE_RIGHT_VOL,
859 			ADAU1761_PLAY_LINE_RIGHT_VOL_MODE_HP,
860 			ADAU1761_PLAY_LINE_RIGHT_VOL_MODE_HP);
861 		break;
862 	default:
863 		return -EINVAL;
864 	}
865 
866 	ret = adau1761_setup_headphone_mode(component);
867 	if (ret)
868 		return ret;
869 
870 	ret = adau1761_setup_digmic_jackdetect(component);
871 	if (ret)
872 		return ret;
873 
874 	/*
875 	 * If we've got an ADAU1761, or an ADAU1761 operating as an
876 	 * ADAU1361, we need these non-DSP related DAPM widgets and routes.
877 	 */
878 	if (adau->type == ADAU1761 || adau->type == ADAU1761_AS_1361) {
879 		ret = snd_soc_dapm_new_controls(dapm, adau1761_dapm_widgets,
880 			ARRAY_SIZE(adau1761_dapm_widgets));
881 		if (ret)
882 			return ret;
883 
884 		ret = snd_soc_dapm_add_routes(dapm, adau1761_dapm_routes,
885 			ARRAY_SIZE(adau1761_dapm_routes));
886 		if (ret)
887 			return ret;
888 	}
889 	/*
890 	 * These routes are DSP related and only used when we have a
891 	 * bona fide ADAU1761.
892 	 */
893 	if (adau->type == ADAU1761) {
894 		ret = snd_soc_dapm_add_routes(dapm, adau1761_dapm_dsp_routes,
895 			ARRAY_SIZE(adau1761_dapm_dsp_routes));
896 		if (ret)
897 			return ret;
898 	}
899 	/*
900 	 * In the ADAU1761, by default, the AIF is routed to the DSP, whereas
901 	 * for the ADAU1361, the AIF is permanently routed to the ADC and DAC.
902 	 * Thus, if we have an ADAU1761 masquerading as an ADAU1361,
903 	 * we need to explicitly route the AIF to the ADC and DAC.
904 	 * For the ADAU1761, this is normally done by set_tdm_slot, but this
905 	 * function is not necessarily called during stream setup, so set up
906 	 * the compatible AIF routings here from the start.
907 	 */
908 	if  (adau->type == ADAU1761_AS_1361) {
909 		regmap_write(adau->regmap, ADAU17X1_SERIAL_INPUT_ROUTE, 0x01);
910 		regmap_write(adau->regmap, ADAU17X1_SERIAL_OUTPUT_ROUTE, 0x01);
911 	}
912 	ret = adau17x1_add_routes(component);
913 	if (ret < 0)
914 		return ret;
915 
916 	return 0;
917 }
918 
919 static const struct snd_soc_component_driver adau1761_component_driver = {
920 	.probe			= adau1761_component_probe,
921 	.resume			= adau17x1_resume,
922 	.set_bias_level		= adau1761_set_bias_level,
923 	.controls		= adau1761_controls,
924 	.num_controls		= ARRAY_SIZE(adau1761_controls),
925 	.dapm_widgets		= adau1x61_dapm_widgets,
926 	.num_dapm_widgets	= ARRAY_SIZE(adau1x61_dapm_widgets),
927 	.dapm_routes		= adau1x61_dapm_routes,
928 	.num_dapm_routes	= ARRAY_SIZE(adau1x61_dapm_routes),
929 	.suspend_bias_off	= 1,
930 	.idle_bias_on		= 1,
931 	.use_pmdown_time	= 1,
932 	.endianness		= 1,
933 	.non_legacy_dai_naming	= 1,
934 };
935 
936 #define ADAU1761_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
937 	SNDRV_PCM_FMTBIT_S32_LE)
938 
939 static struct snd_soc_dai_driver adau1361_dai_driver = {
940 	.name = "adau-hifi",
941 	.playback = {
942 		.stream_name = "Playback",
943 		.channels_min = 2,
944 		.channels_max = 4,
945 		.rates = SNDRV_PCM_RATE_8000_96000,
946 		.formats = ADAU1761_FORMATS,
947 	},
948 	.capture = {
949 		.stream_name = "Capture",
950 		.channels_min = 2,
951 		.channels_max = 4,
952 		.rates = SNDRV_PCM_RATE_8000_96000,
953 		.formats = ADAU1761_FORMATS,
954 	},
955 	.ops = &adau17x1_dai_ops,
956 };
957 
958 static struct snd_soc_dai_driver adau1761_dai_driver = {
959 	.name = "adau-hifi",
960 	.playback = {
961 		.stream_name = "Playback",
962 		.channels_min = 2,
963 		.channels_max = 8,
964 		.rates = SNDRV_PCM_RATE_8000_96000,
965 		.formats = ADAU1761_FORMATS,
966 	},
967 	.capture = {
968 		.stream_name = "Capture",
969 		.channels_min = 2,
970 		.channels_max = 8,
971 		.rates = SNDRV_PCM_RATE_8000_96000,
972 		.formats = ADAU1761_FORMATS,
973 	},
974 	.ops = &adau17x1_dai_ops,
975 };
976 
adau1761_probe(struct device * dev,struct regmap * regmap,enum adau17x1_type type,void (* switch_mode)(struct device * dev))977 int adau1761_probe(struct device *dev, struct regmap *regmap,
978 	enum adau17x1_type type, void (*switch_mode)(struct device *dev))
979 {
980 	struct snd_soc_dai_driver *dai_drv;
981 	const char *firmware_name;
982 	int ret;
983 
984 	if (type == ADAU1361) {
985 		dai_drv = &adau1361_dai_driver;
986 		firmware_name = NULL;
987 	} else {
988 		dai_drv = &adau1761_dai_driver;
989 		firmware_name = ADAU1761_FIRMWARE;
990 	}
991 
992 	ret = adau17x1_probe(dev, regmap, type, switch_mode, firmware_name);
993 	if (ret)
994 		return ret;
995 
996 	ret = adau1761_compatibility_probe(dev);
997 	if (ret)
998 		return ret;
999 
1000 	/* Enable cache only mode as we could miss writes before bias level
1001 	 * reaches standby and the core clock is enabled */
1002 	regcache_cache_only(regmap, true);
1003 
1004 	return devm_snd_soc_register_component(dev, &adau1761_component_driver,
1005 					       dai_drv, 1);
1006 }
1007 EXPORT_SYMBOL_GPL(adau1761_probe);
1008 
1009 const struct regmap_config adau1761_regmap_config = {
1010 	.val_bits = 8,
1011 	.reg_bits = 16,
1012 	.max_register = 0x40fa,
1013 	.reg_defaults = adau1761_reg_defaults,
1014 	.num_reg_defaults = ARRAY_SIZE(adau1761_reg_defaults),
1015 	.readable_reg = adau1761_readable_register,
1016 	.volatile_reg = adau17x1_volatile_register,
1017 	.precious_reg = adau17x1_precious_register,
1018 	.cache_type = REGCACHE_RBTREE,
1019 };
1020 EXPORT_SYMBOL_GPL(adau1761_regmap_config);
1021 
1022 MODULE_DESCRIPTION("ASoC ADAU1361/ADAU1461/ADAU1761/ADAU1961 CODEC driver");
1023 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
1024 MODULE_LICENSE("GPL");
1025