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x86/speculation/mds: Fix documentation typo
[linux/fpc-iii.git] / sound / soc / codecs / da7213.c
blobcc0b2d2eaf151cc9a6666badc829d1157875c016
1 /*
2 * DA7213 ALSA SoC Codec Driver
3 *
4 * Copyright (c) 2013 Dialog Semiconductor
5 *
6 * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
7 * Based on DA9055 ALSA SoC codec driver.
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2 of the License, or (at your
12 * option) any later version.
13 */
14
15 #include <linux/acpi.h>
16 #include <linux/of_device.h>
17 #include <linux/property.h>
18 #include <linux/clk.h>
19 #include <linux/delay.h>
20 #include <linux/i2c.h>
21 #include <linux/regmap.h>
22 #include <linux/slab.h>
23 #include <linux/module.h>
24 #include <sound/pcm.h>
25 #include <sound/pcm_params.h>
26 #include <sound/soc.h>
27 #include <sound/initval.h>
28 #include <sound/tlv.h>
29
30 #include <sound/da7213.h>
31 #include "da7213.h"
32
33
34 /* Gain and Volume */
35 static const DECLARE_TLV_DB_RANGE(aux_vol_tlv,
36 /* -54dB */
37 0x0, 0x11, TLV_DB_SCALE_ITEM(-5400, 0, 0),
38 /* -52.5dB to 15dB */
39 0x12, 0x3f, TLV_DB_SCALE_ITEM(-5250, 150, 0)
40 );
41
42 static const DECLARE_TLV_DB_RANGE(digital_gain_tlv,
43 0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
44 /* -78dB to 12dB */
45 0x08, 0x7f, TLV_DB_SCALE_ITEM(-7800, 75, 0)
46 );
47
48 static const DECLARE_TLV_DB_RANGE(alc_analog_gain_tlv,
49 0x0, 0x0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
50 /* 0dB to 36dB */
51 0x01, 0x07, TLV_DB_SCALE_ITEM(0, 600, 0)
52 );
53
54 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, -600, 600, 0);
55 static const DECLARE_TLV_DB_SCALE(mixin_gain_tlv, -450, 150, 0);
56 static const DECLARE_TLV_DB_SCALE(eq_gain_tlv, -1050, 150, 0);
57 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -5700, 100, 0);
58 static const DECLARE_TLV_DB_SCALE(lineout_vol_tlv, -4800, 100, 0);
59 static const DECLARE_TLV_DB_SCALE(alc_threshold_tlv, -9450, 150, 0);
60 static const DECLARE_TLV_DB_SCALE(alc_gain_tlv, 0, 600, 0);
61
62 /* ADC and DAC voice mode (8kHz) high pass cutoff value */
63 static const char * const da7213_voice_hpf_corner_txt[] = {
64 "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
65 };
66
67 static SOC_ENUM_SINGLE_DECL(da7213_dac_voice_hpf_corner,
68 DA7213_DAC_FILTERS1,
69 DA7213_VOICE_HPF_CORNER_SHIFT,
70 da7213_voice_hpf_corner_txt);
71
72 static SOC_ENUM_SINGLE_DECL(da7213_adc_voice_hpf_corner,
73 DA7213_ADC_FILTERS1,
74 DA7213_VOICE_HPF_CORNER_SHIFT,
75 da7213_voice_hpf_corner_txt);
76
77 /* ADC and DAC high pass filter cutoff value */
78 static const char * const da7213_audio_hpf_corner_txt[] = {
79 "Fs/24000", "Fs/12000", "Fs/6000", "Fs/3000"
80 };
81
82 static SOC_ENUM_SINGLE_DECL(da7213_dac_audio_hpf_corner,
83 DA7213_DAC_FILTERS1
84 , DA7213_AUDIO_HPF_CORNER_SHIFT,
85 da7213_audio_hpf_corner_txt);
86
87 static SOC_ENUM_SINGLE_DECL(da7213_adc_audio_hpf_corner,
88 DA7213_ADC_FILTERS1,
89 DA7213_AUDIO_HPF_CORNER_SHIFT,
90 da7213_audio_hpf_corner_txt);
91
92 /* Gain ramping rate value */
93 static const char * const da7213_gain_ramp_rate_txt[] = {
94 "nominal rate * 8", "nominal rate * 16", "nominal rate / 16",
95 "nominal rate / 32"
96 };
97
98 static SOC_ENUM_SINGLE_DECL(da7213_gain_ramp_rate,
99 DA7213_GAIN_RAMP_CTRL,
100 DA7213_GAIN_RAMP_RATE_SHIFT,
101 da7213_gain_ramp_rate_txt);
102
103 /* DAC noise gate setup time value */
104 static const char * const da7213_dac_ng_setup_time_txt[] = {
105 "256 samples", "512 samples", "1024 samples", "2048 samples"
106 };
107
108 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_setup_time,
109 DA7213_DAC_NG_SETUP_TIME,
110 DA7213_DAC_NG_SETUP_TIME_SHIFT,
111 da7213_dac_ng_setup_time_txt);
112
113 /* DAC noise gate rampup rate value */
114 static const char * const da7213_dac_ng_rampup_txt[] = {
115 "0.02 ms/dB", "0.16 ms/dB"
116 };
117
118 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampup_rate,
119 DA7213_DAC_NG_SETUP_TIME,
120 DA7213_DAC_NG_RAMPUP_RATE_SHIFT,
121 da7213_dac_ng_rampup_txt);
122
123 /* DAC noise gate rampdown rate value */
124 static const char * const da7213_dac_ng_rampdown_txt[] = {
125 "0.64 ms/dB", "20.48 ms/dB"
126 };
127
128 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampdown_rate,
129 DA7213_DAC_NG_SETUP_TIME,
130 DA7213_DAC_NG_RAMPDN_RATE_SHIFT,
131 da7213_dac_ng_rampdown_txt);
132
133 /* DAC soft mute rate value */
134 static const char * const da7213_dac_soft_mute_rate_txt[] = {
135 "1", "2", "4", "8", "16", "32", "64"
136 };
137
138 static SOC_ENUM_SINGLE_DECL(da7213_dac_soft_mute_rate,
139 DA7213_DAC_FILTERS5,
140 DA7213_DAC_SOFTMUTE_RATE_SHIFT,
141 da7213_dac_soft_mute_rate_txt);
142
143 /* ALC Attack Rate select */
144 static const char * const da7213_alc_attack_rate_txt[] = {
145 "44/fs", "88/fs", "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs",
146 "5632/fs", "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
147 };
148
149 static SOC_ENUM_SINGLE_DECL(da7213_alc_attack_rate,
150 DA7213_ALC_CTRL2,
151 DA7213_ALC_ATTACK_SHIFT,
152 da7213_alc_attack_rate_txt);
153
154 /* ALC Release Rate select */
155 static const char * const da7213_alc_release_rate_txt[] = {
156 "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs", "5632/fs",
157 "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
158 };
159
160 static SOC_ENUM_SINGLE_DECL(da7213_alc_release_rate,
161 DA7213_ALC_CTRL2,
162 DA7213_ALC_RELEASE_SHIFT,
163 da7213_alc_release_rate_txt);
164
165 /* ALC Hold Time select */
166 static const char * const da7213_alc_hold_time_txt[] = {
167 "62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
168 "7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
169 "253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
170 };
171
172 static SOC_ENUM_SINGLE_DECL(da7213_alc_hold_time,
173 DA7213_ALC_CTRL3,
174 DA7213_ALC_HOLD_SHIFT,
175 da7213_alc_hold_time_txt);
176
177 /* ALC Input Signal Tracking rate select */
178 static const char * const da7213_alc_integ_rate_txt[] = {
179 "1/4", "1/16", "1/256", "1/65536"
180 };
181
182 static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_attack_rate,
183 DA7213_ALC_CTRL3,
184 DA7213_ALC_INTEG_ATTACK_SHIFT,
185 da7213_alc_integ_rate_txt);
186
187 static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_release_rate,
188 DA7213_ALC_CTRL3,
189 DA7213_ALC_INTEG_RELEASE_SHIFT,
190 da7213_alc_integ_rate_txt);
191
192
193 /*
194 * Control Functions
195 */
196
197 static int da7213_get_alc_data(struct snd_soc_codec *codec, u8 reg_val)
198 {
199 int mid_data, top_data;
200 int sum = 0;
201 u8 iteration;
202
203 for (iteration = 0; iteration < DA7213_ALC_AVG_ITERATIONS;
204 iteration++) {
205 /* Select the left or right channel and capture data */
206 snd_soc_write(codec, DA7213_ALC_CIC_OP_LVL_CTRL, reg_val);
207
208 /* Select middle 8 bits for read back from data register */
209 snd_soc_write(codec, DA7213_ALC_CIC_OP_LVL_CTRL,
210 reg_val | DA7213_ALC_DATA_MIDDLE);
211 mid_data = snd_soc_read(codec, DA7213_ALC_CIC_OP_LVL_DATA);
212
213 /* Select top 8 bits for read back from data register */
214 snd_soc_write(codec, DA7213_ALC_CIC_OP_LVL_CTRL,
215 reg_val | DA7213_ALC_DATA_TOP);
216 top_data = snd_soc_read(codec, DA7213_ALC_CIC_OP_LVL_DATA);
217
218 sum += ((mid_data << 8) | (top_data << 16));
219 }
220
221 return sum / DA7213_ALC_AVG_ITERATIONS;
222 }
223
224 static void da7213_alc_calib_man(struct snd_soc_codec *codec)
225 {
226 u8 reg_val;
227 int avg_left_data, avg_right_data, offset_l, offset_r;
228
229 /* Calculate average for Left and Right data */
230 /* Left Data */
231 avg_left_data = da7213_get_alc_data(codec,
232 DA7213_ALC_CIC_OP_CHANNEL_LEFT);
233 /* Right Data */
234 avg_right_data = da7213_get_alc_data(codec,
235 DA7213_ALC_CIC_OP_CHANNEL_RIGHT);
236
237 /* Calculate DC offset */
238 offset_l = -avg_left_data;
239 offset_r = -avg_right_data;
240
241 reg_val = (offset_l & DA7213_ALC_OFFSET_15_8) >> 8;
242 snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_M_L, reg_val);
243 reg_val = (offset_l & DA7213_ALC_OFFSET_19_16) >> 16;
244 snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_U_L, reg_val);
245
246 reg_val = (offset_r & DA7213_ALC_OFFSET_15_8) >> 8;
247 snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_M_R, reg_val);
248 reg_val = (offset_r & DA7213_ALC_OFFSET_19_16) >> 16;
249 snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_U_R, reg_val);
250
251 /* Enable analog/digital gain mode & offset cancellation */
252 snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
253 DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
254 DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
255 }
256
257 static void da7213_alc_calib_auto(struct snd_soc_codec *codec)
258 {
259 u8 alc_ctrl1;
260
261 /* Begin auto calibration and wait for completion */
262 snd_soc_update_bits(codec, DA7213_ALC_CTRL1, DA7213_ALC_AUTO_CALIB_EN,
263 DA7213_ALC_AUTO_CALIB_EN);
264 do {
265 alc_ctrl1 = snd_soc_read(codec, DA7213_ALC_CTRL1);
266 } while (alc_ctrl1 & DA7213_ALC_AUTO_CALIB_EN);
267
268 /* If auto calibration fails, fall back to digital gain only mode */
269 if (alc_ctrl1 & DA7213_ALC_CALIB_OVERFLOW) {
270 dev_warn(codec->dev,
271 "ALC auto calibration failed with overflow\n");
272 snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
273 DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
274 0);
275 } else {
276 /* Enable analog/digital gain mode & offset cancellation */
277 snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
278 DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
279 DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
280 }
281
282 }
283
284 static void da7213_alc_calib(struct snd_soc_codec *codec)
285 {
286 struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
287 u8 adc_l_ctrl, adc_r_ctrl;
288 u8 mixin_l_sel, mixin_r_sel;
289 u8 mic_1_ctrl, mic_2_ctrl;
290
291 /* Save current values from ADC control registers */
292 adc_l_ctrl = snd_soc_read(codec, DA7213_ADC_L_CTRL);
293 adc_r_ctrl = snd_soc_read(codec, DA7213_ADC_R_CTRL);
294
295 /* Save current values from MIXIN_L/R_SELECT registers */
296 mixin_l_sel = snd_soc_read(codec, DA7213_MIXIN_L_SELECT);
297 mixin_r_sel = snd_soc_read(codec, DA7213_MIXIN_R_SELECT);
298
299 /* Save current values from MIC control registers */
300 mic_1_ctrl = snd_soc_read(codec, DA7213_MIC_1_CTRL);
301 mic_2_ctrl = snd_soc_read(codec, DA7213_MIC_2_CTRL);
302
303 /* Enable ADC Left and Right */
304 snd_soc_update_bits(codec, DA7213_ADC_L_CTRL, DA7213_ADC_EN,
305 DA7213_ADC_EN);
306 snd_soc_update_bits(codec, DA7213_ADC_R_CTRL, DA7213_ADC_EN,
307 DA7213_ADC_EN);
308
309 /* Enable MIC paths */
310 snd_soc_update_bits(codec, DA7213_MIXIN_L_SELECT,
311 DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
312 DA7213_MIXIN_L_MIX_SELECT_MIC_2,
313 DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
314 DA7213_MIXIN_L_MIX_SELECT_MIC_2);
315 snd_soc_update_bits(codec, DA7213_MIXIN_R_SELECT,
316 DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
317 DA7213_MIXIN_R_MIX_SELECT_MIC_1,
318 DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
319 DA7213_MIXIN_R_MIX_SELECT_MIC_1);
320
321 /* Mute MIC PGAs */
322 snd_soc_update_bits(codec, DA7213_MIC_1_CTRL, DA7213_MUTE_EN,
323 DA7213_MUTE_EN);
324 snd_soc_update_bits(codec, DA7213_MIC_2_CTRL, DA7213_MUTE_EN,
325 DA7213_MUTE_EN);
326
327 /* Perform calibration */
328 if (da7213->alc_calib_auto)
329 da7213_alc_calib_auto(codec);
330 else
331 da7213_alc_calib_man(codec);
332
333 /* Restore MIXIN_L/R_SELECT registers to their original states */
334 snd_soc_write(codec, DA7213_MIXIN_L_SELECT, mixin_l_sel);
335 snd_soc_write(codec, DA7213_MIXIN_R_SELECT, mixin_r_sel);
336
337 /* Restore ADC control registers to their original states */
338 snd_soc_write(codec, DA7213_ADC_L_CTRL, adc_l_ctrl);
339 snd_soc_write(codec, DA7213_ADC_R_CTRL, adc_r_ctrl);
340
341 /* Restore original values of MIC control registers */
342 snd_soc_write(codec, DA7213_MIC_1_CTRL, mic_1_ctrl);
343 snd_soc_write(codec, DA7213_MIC_2_CTRL, mic_2_ctrl);
344 }
345
346 static int da7213_put_mixin_gain(struct snd_kcontrol *kcontrol,
347 struct snd_ctl_elem_value *ucontrol)
348 {
349 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
350 struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
351 int ret;
352
353 ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
354
355 /* If ALC in operation, make sure calibrated offsets are updated */
356 if ((!ret) && (da7213->alc_en))
357 da7213_alc_calib(codec);
358
359 return ret;
360 }
361
362 static int da7213_put_alc_sw(struct snd_kcontrol *kcontrol,
363 struct snd_ctl_elem_value *ucontrol)
364 {
365 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
366 struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
367
368 /* Force ALC offset calibration if enabling ALC */
369 if (ucontrol->value.integer.value[0] ||
370 ucontrol->value.integer.value[1]) {
371 if (!da7213->alc_en) {
372 da7213_alc_calib(codec);
373 da7213->alc_en = true;
374 }
375 } else {
376 da7213->alc_en = false;
377 }
378
379 return snd_soc_put_volsw(kcontrol, ucontrol);
380 }
381
382
383 /*
384 * KControls
385 */
386
387 static const struct snd_kcontrol_new da7213_snd_controls[] = {
388
389 /* Volume controls */
390 SOC_SINGLE_TLV("Mic 1 Volume", DA7213_MIC_1_GAIN,
391 DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
392 DA7213_NO_INVERT, mic_vol_tlv),
393 SOC_SINGLE_TLV("Mic 2 Volume", DA7213_MIC_2_GAIN,
394 DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
395 DA7213_NO_INVERT, mic_vol_tlv),
396 SOC_DOUBLE_R_TLV("Aux Volume", DA7213_AUX_L_GAIN, DA7213_AUX_R_GAIN,
397 DA7213_AUX_AMP_GAIN_SHIFT, DA7213_AUX_AMP_GAIN_MAX,
398 DA7213_NO_INVERT, aux_vol_tlv),
399 SOC_DOUBLE_R_EXT_TLV("Mixin PGA Volume", DA7213_MIXIN_L_GAIN,
400 DA7213_MIXIN_R_GAIN, DA7213_MIXIN_AMP_GAIN_SHIFT,
401 DA7213_MIXIN_AMP_GAIN_MAX, DA7213_NO_INVERT,
402 snd_soc_get_volsw_2r, da7213_put_mixin_gain,
403 mixin_gain_tlv),
404 SOC_DOUBLE_R_TLV("ADC Volume", DA7213_ADC_L_GAIN, DA7213_ADC_R_GAIN,
405 DA7213_ADC_AMP_GAIN_SHIFT, DA7213_ADC_AMP_GAIN_MAX,
406 DA7213_NO_INVERT, digital_gain_tlv),
407 SOC_DOUBLE_R_TLV("DAC Volume", DA7213_DAC_L_GAIN, DA7213_DAC_R_GAIN,
408 DA7213_DAC_AMP_GAIN_SHIFT, DA7213_DAC_AMP_GAIN_MAX,
409 DA7213_NO_INVERT, digital_gain_tlv),
410 SOC_DOUBLE_R_TLV("Headphone Volume", DA7213_HP_L_GAIN, DA7213_HP_R_GAIN,
411 DA7213_HP_AMP_GAIN_SHIFT, DA7213_HP_AMP_GAIN_MAX,
412 DA7213_NO_INVERT, hp_vol_tlv),
413 SOC_SINGLE_TLV("Lineout Volume", DA7213_LINE_GAIN,
414 DA7213_LINE_AMP_GAIN_SHIFT, DA7213_LINE_AMP_GAIN_MAX,
415 DA7213_NO_INVERT, lineout_vol_tlv),
416
417 /* DAC Equalizer controls */
418 SOC_SINGLE("DAC EQ Switch", DA7213_DAC_FILTERS4, DA7213_DAC_EQ_EN_SHIFT,
419 DA7213_DAC_EQ_EN_MAX, DA7213_NO_INVERT),
420 SOC_SINGLE_TLV("DAC EQ1 Volume", DA7213_DAC_FILTERS2,
421 DA7213_DAC_EQ_BAND1_SHIFT, DA7213_DAC_EQ_BAND_MAX,
422 DA7213_NO_INVERT, eq_gain_tlv),
423 SOC_SINGLE_TLV("DAC EQ2 Volume", DA7213_DAC_FILTERS2,
424 DA7213_DAC_EQ_BAND2_SHIFT, DA7213_DAC_EQ_BAND_MAX,
425 DA7213_NO_INVERT, eq_gain_tlv),
426 SOC_SINGLE_TLV("DAC EQ3 Volume", DA7213_DAC_FILTERS3,
427 DA7213_DAC_EQ_BAND3_SHIFT, DA7213_DAC_EQ_BAND_MAX,
428 DA7213_NO_INVERT, eq_gain_tlv),
429 SOC_SINGLE_TLV("DAC EQ4 Volume", DA7213_DAC_FILTERS3,
430 DA7213_DAC_EQ_BAND4_SHIFT, DA7213_DAC_EQ_BAND_MAX,
431 DA7213_NO_INVERT, eq_gain_tlv),
432 SOC_SINGLE_TLV("DAC EQ5 Volume", DA7213_DAC_FILTERS4,
433 DA7213_DAC_EQ_BAND5_SHIFT, DA7213_DAC_EQ_BAND_MAX,
434 DA7213_NO_INVERT, eq_gain_tlv),
435
436 /* High Pass Filter and Voice Mode controls */
437 SOC_SINGLE("ADC HPF Switch", DA7213_ADC_FILTERS1, DA7213_HPF_EN_SHIFT,
438 DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
439 SOC_ENUM("ADC HPF Cutoff", da7213_adc_audio_hpf_corner),
440 SOC_SINGLE("ADC Voice Mode Switch", DA7213_ADC_FILTERS1,
441 DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
442 DA7213_NO_INVERT),
443 SOC_ENUM("ADC Voice Cutoff", da7213_adc_voice_hpf_corner),
444
445 SOC_SINGLE("DAC HPF Switch", DA7213_DAC_FILTERS1, DA7213_HPF_EN_SHIFT,
446 DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
447 SOC_ENUM("DAC HPF Cutoff", da7213_dac_audio_hpf_corner),
448 SOC_SINGLE("DAC Voice Mode Switch", DA7213_DAC_FILTERS1,
449 DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
450 DA7213_NO_INVERT),
451 SOC_ENUM("DAC Voice Cutoff", da7213_dac_voice_hpf_corner),
452
453 /* Mute controls */
454 SOC_SINGLE("Mic 1 Switch", DA7213_MIC_1_CTRL, DA7213_MUTE_EN_SHIFT,
455 DA7213_MUTE_EN_MAX, DA7213_INVERT),
456 SOC_SINGLE("Mic 2 Switch", DA7213_MIC_2_CTRL, DA7213_MUTE_EN_SHIFT,
457 DA7213_MUTE_EN_MAX, DA7213_INVERT),
458 SOC_DOUBLE_R("Aux Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
459 DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
460 SOC_DOUBLE_R("Mixin PGA Switch", DA7213_MIXIN_L_CTRL,
461 DA7213_MIXIN_R_CTRL, DA7213_MUTE_EN_SHIFT,
462 DA7213_MUTE_EN_MAX, DA7213_INVERT),
463 SOC_DOUBLE_R("ADC Switch", DA7213_ADC_L_CTRL, DA7213_ADC_R_CTRL,
464 DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
465 SOC_DOUBLE_R("Headphone Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
466 DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
467 SOC_SINGLE("Lineout Switch", DA7213_LINE_CTRL, DA7213_MUTE_EN_SHIFT,
468 DA7213_MUTE_EN_MAX, DA7213_INVERT),
469 SOC_SINGLE("DAC Soft Mute Switch", DA7213_DAC_FILTERS5,
470 DA7213_DAC_SOFTMUTE_EN_SHIFT, DA7213_DAC_SOFTMUTE_EN_MAX,
471 DA7213_NO_INVERT),
472 SOC_ENUM("DAC Soft Mute Rate", da7213_dac_soft_mute_rate),
473
474 /* Zero Cross controls */
475 SOC_DOUBLE_R("Aux ZC Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
476 DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
477 SOC_DOUBLE_R("Mixin PGA ZC Switch", DA7213_MIXIN_L_CTRL,
478 DA7213_MIXIN_R_CTRL, DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX,
479 DA7213_NO_INVERT),
480 SOC_DOUBLE_R("Headphone ZC Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
481 DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
482
483 /* Gain Ramping controls */
484 SOC_DOUBLE_R("Aux Gain Ramping Switch", DA7213_AUX_L_CTRL,
485 DA7213_AUX_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
486 DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
487 SOC_DOUBLE_R("Mixin Gain Ramping Switch", DA7213_MIXIN_L_CTRL,
488 DA7213_MIXIN_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
489 DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
490 SOC_DOUBLE_R("ADC Gain Ramping Switch", DA7213_ADC_L_CTRL,
491 DA7213_ADC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
492 DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
493 SOC_DOUBLE_R("DAC Gain Ramping Switch", DA7213_DAC_L_CTRL,
494 DA7213_DAC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
495 DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
496 SOC_DOUBLE_R("Headphone Gain Ramping Switch", DA7213_HP_L_CTRL,
497 DA7213_HP_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
498 DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
499 SOC_SINGLE("Lineout Gain Ramping Switch", DA7213_LINE_CTRL,
500 DA7213_GAIN_RAMP_EN_SHIFT, DA7213_GAIN_RAMP_EN_MAX,
501 DA7213_NO_INVERT),
502 SOC_ENUM("Gain Ramping Rate", da7213_gain_ramp_rate),
503
504 /* DAC Noise Gate controls */
505 SOC_SINGLE("DAC NG Switch", DA7213_DAC_NG_CTRL, DA7213_DAC_NG_EN_SHIFT,
506 DA7213_DAC_NG_EN_MAX, DA7213_NO_INVERT),
507 SOC_ENUM("DAC NG Setup Time", da7213_dac_ng_setup_time),
508 SOC_ENUM("DAC NG Rampup Rate", da7213_dac_ng_rampup_rate),
509 SOC_ENUM("DAC NG Rampdown Rate", da7213_dac_ng_rampdown_rate),
510 SOC_SINGLE("DAC NG OFF Threshold", DA7213_DAC_NG_OFF_THRESHOLD,
511 DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
512 DA7213_NO_INVERT),
513 SOC_SINGLE("DAC NG ON Threshold", DA7213_DAC_NG_ON_THRESHOLD,
514 DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
515 DA7213_NO_INVERT),
516
517 /* DAC Routing & Inversion */
518 SOC_DOUBLE("DAC Mono Switch", DA7213_DIG_ROUTING_DAC,
519 DA7213_DAC_L_MONO_SHIFT, DA7213_DAC_R_MONO_SHIFT,
520 DA7213_DAC_MONO_MAX, DA7213_NO_INVERT),
521 SOC_DOUBLE("DAC Invert Switch", DA7213_DIG_CTRL, DA7213_DAC_L_INV_SHIFT,
522 DA7213_DAC_R_INV_SHIFT, DA7213_DAC_INV_MAX,
523 DA7213_NO_INVERT),
524
525 /* DMIC controls */
526 SOC_DOUBLE_R("DMIC Switch", DA7213_MIXIN_L_SELECT,
527 DA7213_MIXIN_R_SELECT, DA7213_DMIC_EN_SHIFT,
528 DA7213_DMIC_EN_MAX, DA7213_NO_INVERT),
529
530 /* ALC Controls */
531 SOC_DOUBLE_EXT("ALC Switch", DA7213_ALC_CTRL1, DA7213_ALC_L_EN_SHIFT,
532 DA7213_ALC_R_EN_SHIFT, DA7213_ALC_EN_MAX,
533 DA7213_NO_INVERT, snd_soc_get_volsw, da7213_put_alc_sw),
534 SOC_ENUM("ALC Attack Rate", da7213_alc_attack_rate),
535 SOC_ENUM("ALC Release Rate", da7213_alc_release_rate),
536 SOC_ENUM("ALC Hold Time", da7213_alc_hold_time),
537 /*
538 * Rate at which input signal envelope is tracked as the signal gets
539 * larger
540 */
541 SOC_ENUM("ALC Integ Attack Rate", da7213_alc_integ_attack_rate),
542 /*
543 * Rate at which input signal envelope is tracked as the signal gets
544 * smaller
545 */
546 SOC_ENUM("ALC Integ Release Rate", da7213_alc_integ_release_rate),
547 SOC_SINGLE_TLV("ALC Noise Threshold Volume", DA7213_ALC_NOISE,
548 DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
549 DA7213_INVERT, alc_threshold_tlv),
550 SOC_SINGLE_TLV("ALC Min Threshold Volume", DA7213_ALC_TARGET_MIN,
551 DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
552 DA7213_INVERT, alc_threshold_tlv),
553 SOC_SINGLE_TLV("ALC Max Threshold Volume", DA7213_ALC_TARGET_MAX,
554 DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
555 DA7213_INVERT, alc_threshold_tlv),
556 SOC_SINGLE_TLV("ALC Max Attenuation Volume", DA7213_ALC_GAIN_LIMITS,
557 DA7213_ALC_ATTEN_MAX_SHIFT,
558 DA7213_ALC_ATTEN_GAIN_MAX_MAX, DA7213_NO_INVERT,
559 alc_gain_tlv),
560 SOC_SINGLE_TLV("ALC Max Gain Volume", DA7213_ALC_GAIN_LIMITS,
561 DA7213_ALC_GAIN_MAX_SHIFT, DA7213_ALC_ATTEN_GAIN_MAX_MAX,
562 DA7213_NO_INVERT, alc_gain_tlv),
563 SOC_SINGLE_TLV("ALC Min Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
564 DA7213_ALC_ANA_GAIN_MIN_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
565 DA7213_NO_INVERT, alc_analog_gain_tlv),
566 SOC_SINGLE_TLV("ALC Max Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
567 DA7213_ALC_ANA_GAIN_MAX_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
568 DA7213_NO_INVERT, alc_analog_gain_tlv),
569 SOC_SINGLE("ALC Anticlip Mode Switch", DA7213_ALC_ANTICLIP_CTRL,
570 DA7213_ALC_ANTICLIP_EN_SHIFT, DA7213_ALC_ANTICLIP_EN_MAX,
571 DA7213_NO_INVERT),
572 SOC_SINGLE("ALC Anticlip Level", DA7213_ALC_ANTICLIP_LEVEL,
573 DA7213_ALC_ANTICLIP_LEVEL_SHIFT,
574 DA7213_ALC_ANTICLIP_LEVEL_MAX, DA7213_NO_INVERT),
575 };
576
577
578 /*
579 * DAPM
580 */
581
582 /*
583 * Enums
584 */
585
586 /* MIC PGA source select */
587 static const char * const da7213_mic_amp_in_sel_txt[] = {
588 "Differential", "MIC_P", "MIC_N"
589 };
590
591 static SOC_ENUM_SINGLE_DECL(da7213_mic_1_amp_in_sel,
592 DA7213_MIC_1_CTRL,
593 DA7213_MIC_AMP_IN_SEL_SHIFT,
594 da7213_mic_amp_in_sel_txt);
595 static const struct snd_kcontrol_new da7213_mic_1_amp_in_sel_mux =
596 SOC_DAPM_ENUM("Mic 1 Amp Source MUX", da7213_mic_1_amp_in_sel);
597
598 static SOC_ENUM_SINGLE_DECL(da7213_mic_2_amp_in_sel,
599 DA7213_MIC_2_CTRL,
600 DA7213_MIC_AMP_IN_SEL_SHIFT,
601 da7213_mic_amp_in_sel_txt);
602 static const struct snd_kcontrol_new da7213_mic_2_amp_in_sel_mux =
603 SOC_DAPM_ENUM("Mic 2 Amp Source MUX", da7213_mic_2_amp_in_sel);
604
605 /* DAI routing select */
606 static const char * const da7213_dai_src_txt[] = {
607 "ADC Left", "ADC Right", "DAI Input Left", "DAI Input Right"
608 };
609
610 static SOC_ENUM_SINGLE_DECL(da7213_dai_l_src,
611 DA7213_DIG_ROUTING_DAI,
612 DA7213_DAI_L_SRC_SHIFT,
613 da7213_dai_src_txt);
614 static const struct snd_kcontrol_new da7213_dai_l_src_mux =
615 SOC_DAPM_ENUM("DAI Left Source MUX", da7213_dai_l_src);
616
617 static SOC_ENUM_SINGLE_DECL(da7213_dai_r_src,
618 DA7213_DIG_ROUTING_DAI,
619 DA7213_DAI_R_SRC_SHIFT,
620 da7213_dai_src_txt);
621 static const struct snd_kcontrol_new da7213_dai_r_src_mux =
622 SOC_DAPM_ENUM("DAI Right Source MUX", da7213_dai_r_src);
623
624 /* DAC routing select */
625 static const char * const da7213_dac_src_txt[] = {
626 "ADC Output Left", "ADC Output Right", "DAI Input Left",
627 "DAI Input Right"
628 };
629
630 static SOC_ENUM_SINGLE_DECL(da7213_dac_l_src,
631 DA7213_DIG_ROUTING_DAC,
632 DA7213_DAC_L_SRC_SHIFT,
633 da7213_dac_src_txt);
634 static const struct snd_kcontrol_new da7213_dac_l_src_mux =
635 SOC_DAPM_ENUM("DAC Left Source MUX", da7213_dac_l_src);
636
637 static SOC_ENUM_SINGLE_DECL(da7213_dac_r_src,
638 DA7213_DIG_ROUTING_DAC,
639 DA7213_DAC_R_SRC_SHIFT,
640 da7213_dac_src_txt);
641 static const struct snd_kcontrol_new da7213_dac_r_src_mux =
642 SOC_DAPM_ENUM("DAC Right Source MUX", da7213_dac_r_src);
643
644 /*
645 * Mixer Controls
646 */
647
648 /* Mixin Left */
649 static const struct snd_kcontrol_new da7213_dapm_mixinl_controls[] = {
650 SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXIN_L_SELECT,
651 DA7213_MIXIN_L_MIX_SELECT_AUX_L_SHIFT,
652 DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
653 SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_L_SELECT,
654 DA7213_MIXIN_L_MIX_SELECT_MIC_1_SHIFT,
655 DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
656 SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_L_SELECT,
657 DA7213_MIXIN_L_MIX_SELECT_MIC_2_SHIFT,
658 DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
659 SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXIN_L_SELECT,
660 DA7213_MIXIN_L_MIX_SELECT_MIXIN_R_SHIFT,
661 DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
662 };
663
664 /* Mixin Right */
665 static const struct snd_kcontrol_new da7213_dapm_mixinr_controls[] = {
666 SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXIN_R_SELECT,
667 DA7213_MIXIN_R_MIX_SELECT_AUX_R_SHIFT,
668 DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
669 SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_R_SELECT,
670 DA7213_MIXIN_R_MIX_SELECT_MIC_2_SHIFT,
671 DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
672 SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_R_SELECT,
673 DA7213_MIXIN_R_MIX_SELECT_MIC_1_SHIFT,
674 DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
675 SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXIN_R_SELECT,
676 DA7213_MIXIN_R_MIX_SELECT_MIXIN_L_SHIFT,
677 DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
678 };
679
680 /* Mixout Left */
681 static const struct snd_kcontrol_new da7213_dapm_mixoutl_controls[] = {
682 SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXOUT_L_SELECT,
683 DA7213_MIXOUT_L_MIX_SELECT_AUX_L_SHIFT,
684 DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
685 SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_L_SELECT,
686 DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_SHIFT,
687 DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
688 SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_L_SELECT,
689 DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_SHIFT,
690 DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
691 SOC_DAPM_SINGLE("DAC Left Switch", DA7213_MIXOUT_L_SELECT,
692 DA7213_MIXOUT_L_MIX_SELECT_DAC_L_SHIFT,
693 DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
694 SOC_DAPM_SINGLE("Aux Left Invert Switch", DA7213_MIXOUT_L_SELECT,
695 DA7213_MIXOUT_L_MIX_SELECT_AUX_L_INVERTED_SHIFT,
696 DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
697 SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_L_SELECT,
698 DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
699 DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
700 SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_L_SELECT,
701 DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
702 DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
703 };
704
705 /* Mixout Right */
706 static const struct snd_kcontrol_new da7213_dapm_mixoutr_controls[] = {
707 SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXOUT_R_SELECT,
708 DA7213_MIXOUT_R_MIX_SELECT_AUX_R_SHIFT,
709 DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
710 SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_R_SELECT,
711 DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_SHIFT,
712 DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
713 SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_R_SELECT,
714 DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_SHIFT,
715 DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
716 SOC_DAPM_SINGLE("DAC Right Switch", DA7213_MIXOUT_R_SELECT,
717 DA7213_MIXOUT_R_MIX_SELECT_DAC_R_SHIFT,
718 DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
719 SOC_DAPM_SINGLE("Aux Right Invert Switch", DA7213_MIXOUT_R_SELECT,
720 DA7213_MIXOUT_R_MIX_SELECT_AUX_R_INVERTED_SHIFT,
721 DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
722 SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_R_SELECT,
723 DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
724 DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
725 SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_R_SELECT,
726 DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
727 DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
728 };
729
730
731 /*
732 * DAPM Events
733 */
734
735 static int da7213_dai_event(struct snd_soc_dapm_widget *w,
736 struct snd_kcontrol *kcontrol, int event)
737 {
738 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
739 struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
740 u8 pll_ctrl, pll_status;
741 int i = 0;
742 bool srm_lock = false;
743
744 switch (event) {
745 case SND_SOC_DAPM_PRE_PMU:
746 /* Enable DAI clks for master mode */
747 if (da7213->master)
748 snd_soc_update_bits(codec, DA7213_DAI_CLK_MODE,
749 DA7213_DAI_CLK_EN_MASK,
750 DA7213_DAI_CLK_EN_MASK);
751
752 /* PC synchronised to DAI */
753 snd_soc_update_bits(codec, DA7213_PC_COUNT,
754 DA7213_PC_FREERUN_MASK, 0);
755
756 /* If SRM not enabled then nothing more to do */
757 pll_ctrl = snd_soc_read(codec, DA7213_PLL_CTRL);
758 if (!(pll_ctrl & DA7213_PLL_SRM_EN))
759 return 0;
760
761 /* Assist 32KHz mode PLL lock */
762 if (pll_ctrl & DA7213_PLL_32K_MODE) {
763 snd_soc_write(codec, 0xF0, 0x8B);
764 snd_soc_write(codec, 0xF2, 0x03);
765 snd_soc_write(codec, 0xF0, 0x00);
766 }
767
768 /* Check SRM has locked */
769 do {
770 pll_status = snd_soc_read(codec, DA7213_PLL_STATUS);
771 if (pll_status & DA7219_PLL_SRM_LOCK) {
772 srm_lock = true;
773 } else {
774 ++i;
775 msleep(50);
776 }
777 } while ((i < DA7213_SRM_CHECK_RETRIES) && (!srm_lock));
778
779 if (!srm_lock)
780 dev_warn(codec->dev, "SRM failed to lock\n");
781
782 return 0;
783 case SND_SOC_DAPM_POST_PMD:
784 /* Revert 32KHz PLL lock udpates if applied previously */
785 pll_ctrl = snd_soc_read(codec, DA7213_PLL_CTRL);
786 if (pll_ctrl & DA7213_PLL_32K_MODE) {
787 snd_soc_write(codec, 0xF0, 0x8B);
788 snd_soc_write(codec, 0xF2, 0x01);
789 snd_soc_write(codec, 0xF0, 0x00);
790 }
791
792 /* PC free-running */
793 snd_soc_update_bits(codec, DA7213_PC_COUNT,
794 DA7213_PC_FREERUN_MASK,
795 DA7213_PC_FREERUN_MASK);
796
797 /* Disable DAI clks if in master mode */
798 if (da7213->master)
799 snd_soc_update_bits(codec, DA7213_DAI_CLK_MODE,
800 DA7213_DAI_CLK_EN_MASK, 0);
801 return 0;
802 default:
803 return -EINVAL;
804 }
805 }
806
807
808 /*
809 * DAPM widgets
810 */
811
812 static const struct snd_soc_dapm_widget da7213_dapm_widgets[] = {
813 /*
814 * Input & Output
815 */
816
817 /* Use a supply here as this controls both input & output DAIs */
818 SND_SOC_DAPM_SUPPLY("DAI", DA7213_DAI_CTRL, DA7213_DAI_EN_SHIFT,
819 DA7213_NO_INVERT, da7213_dai_event,
820 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
821
822 /*
823 * Input
824 */
825
826 /* Input Lines */
827 SND_SOC_DAPM_INPUT("MIC1"),
828 SND_SOC_DAPM_INPUT("MIC2"),
829 SND_SOC_DAPM_INPUT("AUXL"),
830 SND_SOC_DAPM_INPUT("AUXR"),
831
832 /* MUXs for Mic PGA source selection */
833 SND_SOC_DAPM_MUX("Mic 1 Amp Source MUX", SND_SOC_NOPM, 0, 0,
834 &da7213_mic_1_amp_in_sel_mux),
835 SND_SOC_DAPM_MUX("Mic 2 Amp Source MUX", SND_SOC_NOPM, 0, 0,
836 &da7213_mic_2_amp_in_sel_mux),
837
838 /* Input PGAs */
839 SND_SOC_DAPM_PGA("Mic 1 PGA", DA7213_MIC_1_CTRL, DA7213_AMP_EN_SHIFT,
840 DA7213_NO_INVERT, NULL, 0),
841 SND_SOC_DAPM_PGA("Mic 2 PGA", DA7213_MIC_2_CTRL, DA7213_AMP_EN_SHIFT,
842 DA7213_NO_INVERT, NULL, 0),
843 SND_SOC_DAPM_PGA("Aux Left PGA", DA7213_AUX_L_CTRL, DA7213_AMP_EN_SHIFT,
844 DA7213_NO_INVERT, NULL, 0),
845 SND_SOC_DAPM_PGA("Aux Right PGA", DA7213_AUX_R_CTRL,
846 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
847 SND_SOC_DAPM_PGA("Mixin Left PGA", DA7213_MIXIN_L_CTRL,
848 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
849 SND_SOC_DAPM_PGA("Mixin Right PGA", DA7213_MIXIN_R_CTRL,
850 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
851
852 /* Mic Biases */
853 SND_SOC_DAPM_SUPPLY("Mic Bias 1", DA7213_MICBIAS_CTRL,
854 DA7213_MICBIAS1_EN_SHIFT, DA7213_NO_INVERT,
855 NULL, 0),
856 SND_SOC_DAPM_SUPPLY("Mic Bias 2", DA7213_MICBIAS_CTRL,
857 DA7213_MICBIAS2_EN_SHIFT, DA7213_NO_INVERT,
858 NULL, 0),
859
860 /* Input Mixers */
861 SND_SOC_DAPM_MIXER("Mixin Left", SND_SOC_NOPM, 0, 0,
862 &da7213_dapm_mixinl_controls[0],
863 ARRAY_SIZE(da7213_dapm_mixinl_controls)),
864 SND_SOC_DAPM_MIXER("Mixin Right", SND_SOC_NOPM, 0, 0,
865 &da7213_dapm_mixinr_controls[0],
866 ARRAY_SIZE(da7213_dapm_mixinr_controls)),
867
868 /* ADCs */
869 SND_SOC_DAPM_ADC("ADC Left", NULL, DA7213_ADC_L_CTRL,
870 DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
871 SND_SOC_DAPM_ADC("ADC Right", NULL, DA7213_ADC_R_CTRL,
872 DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
873
874 /* DAI */
875 SND_SOC_DAPM_MUX("DAI Left Source MUX", SND_SOC_NOPM, 0, 0,
876 &da7213_dai_l_src_mux),
877 SND_SOC_DAPM_MUX("DAI Right Source MUX", SND_SOC_NOPM, 0, 0,
878 &da7213_dai_r_src_mux),
879 SND_SOC_DAPM_AIF_OUT("DAIOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0),
880 SND_SOC_DAPM_AIF_OUT("DAIOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0),
881
882 /*
883 * Output
884 */
885
886 /* DAI */
887 SND_SOC_DAPM_AIF_IN("DAIINL", "Playback", 0, SND_SOC_NOPM, 0, 0),
888 SND_SOC_DAPM_AIF_IN("DAIINR", "Playback", 1, SND_SOC_NOPM, 0, 0),
889 SND_SOC_DAPM_MUX("DAC Left Source MUX", SND_SOC_NOPM, 0, 0,
890 &da7213_dac_l_src_mux),
891 SND_SOC_DAPM_MUX("DAC Right Source MUX", SND_SOC_NOPM, 0, 0,
892 &da7213_dac_r_src_mux),
893
894 /* DACs */
895 SND_SOC_DAPM_DAC("DAC Left", NULL, DA7213_DAC_L_CTRL,
896 DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
897 SND_SOC_DAPM_DAC("DAC Right", NULL, DA7213_DAC_R_CTRL,
898 DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
899
900 /* Output Mixers */
901 SND_SOC_DAPM_MIXER("Mixout Left", SND_SOC_NOPM, 0, 0,
902 &da7213_dapm_mixoutl_controls[0],
903 ARRAY_SIZE(da7213_dapm_mixoutl_controls)),
904 SND_SOC_DAPM_MIXER("Mixout Right", SND_SOC_NOPM, 0, 0,
905 &da7213_dapm_mixoutr_controls[0],
906 ARRAY_SIZE(da7213_dapm_mixoutr_controls)),
907
908 /* Output PGAs */
909 SND_SOC_DAPM_PGA("Mixout Left PGA", DA7213_MIXOUT_L_CTRL,
910 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
911 SND_SOC_DAPM_PGA("Mixout Right PGA", DA7213_MIXOUT_R_CTRL,
912 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
913 SND_SOC_DAPM_PGA("Lineout PGA", DA7213_LINE_CTRL, DA7213_AMP_EN_SHIFT,
914 DA7213_NO_INVERT, NULL, 0),
915 SND_SOC_DAPM_PGA("Headphone Left PGA", DA7213_HP_L_CTRL,
916 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
917 SND_SOC_DAPM_PGA("Headphone Right PGA", DA7213_HP_R_CTRL,
918 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
919
920 /* Charge Pump */
921 SND_SOC_DAPM_SUPPLY("Charge Pump", DA7213_CP_CTRL, DA7213_CP_EN_SHIFT,
922 DA7213_NO_INVERT, NULL, 0),
923
924 /* Output Lines */
925 SND_SOC_DAPM_OUTPUT("HPL"),
926 SND_SOC_DAPM_OUTPUT("HPR"),
927 SND_SOC_DAPM_OUTPUT("LINE"),
928 };
929
930
931 /*
932 * DAPM audio route definition
933 */
934
935 static const struct snd_soc_dapm_route da7213_audio_map[] = {
936 /* Dest Connecting Widget source */
937
938 /* Input path */
939 {"MIC1", NULL, "Mic Bias 1"},
940 {"MIC2", NULL, "Mic Bias 2"},
941
942 {"Mic 1 Amp Source MUX", "Differential", "MIC1"},
943 {"Mic 1 Amp Source MUX", "MIC_P", "MIC1"},
944 {"Mic 1 Amp Source MUX", "MIC_N", "MIC1"},
945
946 {"Mic 2 Amp Source MUX", "Differential", "MIC2"},
947 {"Mic 2 Amp Source MUX", "MIC_P", "MIC2"},
948 {"Mic 2 Amp Source MUX", "MIC_N", "MIC2"},
949
950 {"Mic 1 PGA", NULL, "Mic 1 Amp Source MUX"},
951 {"Mic 2 PGA", NULL, "Mic 2 Amp Source MUX"},
952
953 {"Aux Left PGA", NULL, "AUXL"},
954 {"Aux Right PGA", NULL, "AUXR"},
955
956 {"Mixin Left", "Aux Left Switch", "Aux Left PGA"},
957 {"Mixin Left", "Mic 1 Switch", "Mic 1 PGA"},
958 {"Mixin Left", "Mic 2 Switch", "Mic 2 PGA"},
959 {"Mixin Left", "Mixin Right Switch", "Mixin Right PGA"},
960
961 {"Mixin Right", "Aux Right Switch", "Aux Right PGA"},
962 {"Mixin Right", "Mic 2 Switch", "Mic 2 PGA"},
963 {"Mixin Right", "Mic 1 Switch", "Mic 1 PGA"},
964 {"Mixin Right", "Mixin Left Switch", "Mixin Left PGA"},
965
966 {"Mixin Left PGA", NULL, "Mixin Left"},
967 {"ADC Left", NULL, "Mixin Left PGA"},
968
969 {"Mixin Right PGA", NULL, "Mixin Right"},
970 {"ADC Right", NULL, "Mixin Right PGA"},
971
972 {"DAI Left Source MUX", "ADC Left", "ADC Left"},
973 {"DAI Left Source MUX", "ADC Right", "ADC Right"},
974 {"DAI Left Source MUX", "DAI Input Left", "DAIINL"},
975 {"DAI Left Source MUX", "DAI Input Right", "DAIINR"},
976
977 {"DAI Right Source MUX", "ADC Left", "ADC Left"},
978 {"DAI Right Source MUX", "ADC Right", "ADC Right"},
979 {"DAI Right Source MUX", "DAI Input Left", "DAIINL"},
980 {"DAI Right Source MUX", "DAI Input Right", "DAIINR"},
981
982 {"DAIOUTL", NULL, "DAI Left Source MUX"},
983 {"DAIOUTR", NULL, "DAI Right Source MUX"},
984
985 {"DAIOUTL", NULL, "DAI"},
986 {"DAIOUTR", NULL, "DAI"},
987
988 /* Output path */
989 {"DAIINL", NULL, "DAI"},
990 {"DAIINR", NULL, "DAI"},
991
992 {"DAC Left Source MUX", "ADC Output Left", "ADC Left"},
993 {"DAC Left Source MUX", "ADC Output Right", "ADC Right"},
994 {"DAC Left Source MUX", "DAI Input Left", "DAIINL"},
995 {"DAC Left Source MUX", "DAI Input Right", "DAIINR"},
996
997 {"DAC Right Source MUX", "ADC Output Left", "ADC Left"},
998 {"DAC Right Source MUX", "ADC Output Right", "ADC Right"},
999 {"DAC Right Source MUX", "DAI Input Left", "DAIINL"},
1000 {"DAC Right Source MUX", "DAI Input Right", "DAIINR"},
1001
1002 {"DAC Left", NULL, "DAC Left Source MUX"},
1003 {"DAC Right", NULL, "DAC Right Source MUX"},
1004
1005 {"Mixout Left", "Aux Left Switch", "Aux Left PGA"},
1006 {"Mixout Left", "Mixin Left Switch", "Mixin Left PGA"},
1007 {"Mixout Left", "Mixin Right Switch", "Mixin Right PGA"},
1008 {"Mixout Left", "DAC Left Switch", "DAC Left"},
1009 {"Mixout Left", "Aux Left Invert Switch", "Aux Left PGA"},
1010 {"Mixout Left", "Mixin Left Invert Switch", "Mixin Left PGA"},
1011 {"Mixout Left", "Mixin Right Invert Switch", "Mixin Right PGA"},
1012
1013 {"Mixout Right", "Aux Right Switch", "Aux Right PGA"},
1014 {"Mixout Right", "Mixin Right Switch", "Mixin Right PGA"},
1015 {"Mixout Right", "Mixin Left Switch", "Mixin Left PGA"},
1016 {"Mixout Right", "DAC Right Switch", "DAC Right"},
1017 {"Mixout Right", "Aux Right Invert Switch", "Aux Right PGA"},
1018 {"Mixout Right", "Mixin Right Invert Switch", "Mixin Right PGA"},
1019 {"Mixout Right", "Mixin Left Invert Switch", "Mixin Left PGA"},
1020
1021 {"Mixout Left PGA", NULL, "Mixout Left"},
1022 {"Mixout Right PGA", NULL, "Mixout Right"},
1023
1024 {"Headphone Left PGA", NULL, "Mixout Left PGA"},
1025 {"Headphone Left PGA", NULL, "Charge Pump"},
1026 {"HPL", NULL, "Headphone Left PGA"},
1027
1028 {"Headphone Right PGA", NULL, "Mixout Right PGA"},
1029 {"Headphone Right PGA", NULL, "Charge Pump"},
1030 {"HPR", NULL, "Headphone Right PGA"},
1031
1032 {"Lineout PGA", NULL, "Mixout Right PGA"},
1033 {"LINE", NULL, "Lineout PGA"},
1034 };
1035
1036 static const struct reg_default da7213_reg_defaults[] = {
1037 { DA7213_DIG_ROUTING_DAI, 0x10 },
1038 { DA7213_SR, 0x0A },
1039 { DA7213_REFERENCES, 0x80 },
1040 { DA7213_PLL_FRAC_TOP, 0x00 },
1041 { DA7213_PLL_FRAC_BOT, 0x00 },
1042 { DA7213_PLL_INTEGER, 0x20 },
1043 { DA7213_PLL_CTRL, 0x0C },
1044 { DA7213_DAI_CLK_MODE, 0x01 },
1045 { DA7213_DAI_CTRL, 0x08 },
1046 { DA7213_DIG_ROUTING_DAC, 0x32 },
1047 { DA7213_AUX_L_GAIN, 0x35 },
1048 { DA7213_AUX_R_GAIN, 0x35 },
1049 { DA7213_MIXIN_L_SELECT, 0x00 },
1050 { DA7213_MIXIN_R_SELECT, 0x00 },
1051 { DA7213_MIXIN_L_GAIN, 0x03 },
1052 { DA7213_MIXIN_R_GAIN, 0x03 },
1053 { DA7213_ADC_L_GAIN, 0x6F },
1054 { DA7213_ADC_R_GAIN, 0x6F },
1055 { DA7213_ADC_FILTERS1, 0x80 },
1056 { DA7213_MIC_1_GAIN, 0x01 },
1057 { DA7213_MIC_2_GAIN, 0x01 },
1058 { DA7213_DAC_FILTERS5, 0x00 },
1059 { DA7213_DAC_FILTERS2, 0x88 },
1060 { DA7213_DAC_FILTERS3, 0x88 },
1061 { DA7213_DAC_FILTERS4, 0x08 },
1062 { DA7213_DAC_FILTERS1, 0x80 },
1063 { DA7213_DAC_L_GAIN, 0x6F },
1064 { DA7213_DAC_R_GAIN, 0x6F },
1065 { DA7213_CP_CTRL, 0x61 },
1066 { DA7213_HP_L_GAIN, 0x39 },
1067 { DA7213_HP_R_GAIN, 0x39 },
1068 { DA7213_LINE_GAIN, 0x30 },
1069 { DA7213_MIXOUT_L_SELECT, 0x00 },
1070 { DA7213_MIXOUT_R_SELECT, 0x00 },
1071 { DA7213_SYSTEM_MODES_INPUT, 0x00 },
1072 { DA7213_SYSTEM_MODES_OUTPUT, 0x00 },
1073 { DA7213_AUX_L_CTRL, 0x44 },
1074 { DA7213_AUX_R_CTRL, 0x44 },
1075 { DA7213_MICBIAS_CTRL, 0x11 },
1076 { DA7213_MIC_1_CTRL, 0x40 },
1077 { DA7213_MIC_2_CTRL, 0x40 },
1078 { DA7213_MIXIN_L_CTRL, 0x40 },
1079 { DA7213_MIXIN_R_CTRL, 0x40 },
1080 { DA7213_ADC_L_CTRL, 0x40 },
1081 { DA7213_ADC_R_CTRL, 0x40 },
1082 { DA7213_DAC_L_CTRL, 0x48 },
1083 { DA7213_DAC_R_CTRL, 0x40 },
1084 { DA7213_HP_L_CTRL, 0x41 },
1085 { DA7213_HP_R_CTRL, 0x40 },
1086 { DA7213_LINE_CTRL, 0x40 },
1087 { DA7213_MIXOUT_L_CTRL, 0x10 },
1088 { DA7213_MIXOUT_R_CTRL, 0x10 },
1089 { DA7213_LDO_CTRL, 0x00 },
1090 { DA7213_IO_CTRL, 0x00 },
1091 { DA7213_GAIN_RAMP_CTRL, 0x00},
1092 { DA7213_MIC_CONFIG, 0x00 },
1093 { DA7213_PC_COUNT, 0x00 },
1094 { DA7213_CP_VOL_THRESHOLD1, 0x32 },
1095 { DA7213_CP_DELAY, 0x95 },
1096 { DA7213_CP_DETECTOR, 0x00 },
1097 { DA7213_DAI_OFFSET, 0x00 },
1098 { DA7213_DIG_CTRL, 0x00 },
1099 { DA7213_ALC_CTRL2, 0x00 },
1100 { DA7213_ALC_CTRL3, 0x00 },
1101 { DA7213_ALC_NOISE, 0x3F },
1102 { DA7213_ALC_TARGET_MIN, 0x3F },
1103 { DA7213_ALC_TARGET_MAX, 0x00 },
1104 { DA7213_ALC_GAIN_LIMITS, 0xFF },
1105 { DA7213_ALC_ANA_GAIN_LIMITS, 0x71 },
1106 { DA7213_ALC_ANTICLIP_CTRL, 0x00 },
1107 { DA7213_ALC_ANTICLIP_LEVEL, 0x00 },
1108 { DA7213_ALC_OFFSET_MAN_M_L, 0x00 },
1109 { DA7213_ALC_OFFSET_MAN_U_L, 0x00 },
1110 { DA7213_ALC_OFFSET_MAN_M_R, 0x00 },
1111 { DA7213_ALC_OFFSET_MAN_U_R, 0x00 },
1112 { DA7213_ALC_CIC_OP_LVL_CTRL, 0x00 },
1113 { DA7213_DAC_NG_SETUP_TIME, 0x00 },
1114 { DA7213_DAC_NG_OFF_THRESHOLD, 0x00 },
1115 { DA7213_DAC_NG_ON_THRESHOLD, 0x00 },
1116 { DA7213_DAC_NG_CTRL, 0x00 },
1117 };
1118
1119 static bool da7213_volatile_register(struct device *dev, unsigned int reg)
1120 {
1121 switch (reg) {
1122 case DA7213_STATUS1:
1123 case DA7213_PLL_STATUS:
1124 case DA7213_AUX_L_GAIN_STATUS:
1125 case DA7213_AUX_R_GAIN_STATUS:
1126 case DA7213_MIC_1_GAIN_STATUS:
1127 case DA7213_MIC_2_GAIN_STATUS:
1128 case DA7213_MIXIN_L_GAIN_STATUS:
1129 case DA7213_MIXIN_R_GAIN_STATUS:
1130 case DA7213_ADC_L_GAIN_STATUS:
1131 case DA7213_ADC_R_GAIN_STATUS:
1132 case DA7213_DAC_L_GAIN_STATUS:
1133 case DA7213_DAC_R_GAIN_STATUS:
1134 case DA7213_HP_L_GAIN_STATUS:
1135 case DA7213_HP_R_GAIN_STATUS:
1136 case DA7213_LINE_GAIN_STATUS:
1137 case DA7213_ALC_CTRL1:
1138 case DA7213_ALC_OFFSET_AUTO_M_L:
1139 case DA7213_ALC_OFFSET_AUTO_U_L:
1140 case DA7213_ALC_OFFSET_AUTO_M_R:
1141 case DA7213_ALC_OFFSET_AUTO_U_R:
1142 case DA7213_ALC_CIC_OP_LVL_DATA:
1143 return 1;
1144 default:
1145 return 0;
1146 }
1147 }
1148
1149 static int da7213_hw_params(struct snd_pcm_substream *substream,
1150 struct snd_pcm_hw_params *params,
1151 struct snd_soc_dai *dai)
1152 {
1153 struct snd_soc_codec *codec = dai->codec;
1154 u8 dai_ctrl = 0;
1155 u8 fs;
1156
1157 /* Set DAI format */
1158 switch (params_width(params)) {
1159 case 16:
1160 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S16_LE;
1161 break;
1162 case 20:
1163 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S20_LE;
1164 break;
1165 case 24:
1166 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S24_LE;
1167 break;
1168 case 32:
1169 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S32_LE;
1170 break;
1171 default:
1172 return -EINVAL;
1173 }
1174
1175 /* Set sampling rate */
1176 switch (params_rate(params)) {
1177 case 8000:
1178 fs = DA7213_SR_8000;
1179 break;
1180 case 11025:
1181 fs = DA7213_SR_11025;
1182 break;
1183 case 12000:
1184 fs = DA7213_SR_12000;
1185 break;
1186 case 16000:
1187 fs = DA7213_SR_16000;
1188 break;
1189 case 22050:
1190 fs = DA7213_SR_22050;
1191 break;
1192 case 32000:
1193 fs = DA7213_SR_32000;
1194 break;
1195 case 44100:
1196 fs = DA7213_SR_44100;
1197 break;
1198 case 48000:
1199 fs = DA7213_SR_48000;
1200 break;
1201 case 88200:
1202 fs = DA7213_SR_88200;
1203 break;
1204 case 96000:
1205 fs = DA7213_SR_96000;
1206 break;
1207 default:
1208 return -EINVAL;
1209 }
1210
1211 snd_soc_update_bits(codec, DA7213_DAI_CTRL, DA7213_DAI_WORD_LENGTH_MASK,
1212 dai_ctrl);
1213 snd_soc_write(codec, DA7213_SR, fs);
1214
1215 return 0;
1216 }
1217
1218 static int da7213_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1219 {
1220 struct snd_soc_codec *codec = codec_dai->codec;
1221 struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1222 u8 dai_clk_mode = 0, dai_ctrl = 0;
1223
1224 /* Set master/slave mode */
1225 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1226 case SND_SOC_DAIFMT_CBM_CFM:
1227 da7213->master = true;
1228 break;
1229 case SND_SOC_DAIFMT_CBS_CFS:
1230 da7213->master = false;
1231 break;
1232 default:
1233 return -EINVAL;
1234 }
1235
1236 /* Set clock normal/inverted */
1237 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1238 case SND_SOC_DAIFMT_NB_NF:
1239 break;
1240 case SND_SOC_DAIFMT_NB_IF:
1241 dai_clk_mode |= DA7213_DAI_WCLK_POL_INV;
1242 break;
1243 case SND_SOC_DAIFMT_IB_NF:
1244 dai_clk_mode |= DA7213_DAI_CLK_POL_INV;
1245 break;
1246 case SND_SOC_DAIFMT_IB_IF:
1247 dai_clk_mode |= DA7213_DAI_WCLK_POL_INV | DA7213_DAI_CLK_POL_INV;
1248 break;
1249 default:
1250 return -EINVAL;
1251 }
1252
1253 /* Only I2S is supported */
1254 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1255 case SND_SOC_DAIFMT_I2S:
1256 dai_ctrl |= DA7213_DAI_FORMAT_I2S_MODE;
1257 break;
1258 case SND_SOC_DAIFMT_LEFT_J:
1259 dai_ctrl |= DA7213_DAI_FORMAT_LEFT_J;
1260 break;
1261 case SND_SOC_DAIFMT_RIGHT_J:
1262 dai_ctrl |= DA7213_DAI_FORMAT_RIGHT_J;
1263 break;
1264 default:
1265 return -EINVAL;
1266 }
1267
1268 /* By default only 64 BCLK per WCLK is supported */
1269 dai_clk_mode |= DA7213_DAI_BCLKS_PER_WCLK_64;
1270
1271 snd_soc_write(codec, DA7213_DAI_CLK_MODE, dai_clk_mode);
1272 snd_soc_update_bits(codec, DA7213_DAI_CTRL, DA7213_DAI_FORMAT_MASK,
1273 dai_ctrl);
1274
1275 return 0;
1276 }
1277
1278 static int da7213_mute(struct snd_soc_dai *dai, int mute)
1279 {
1280 struct snd_soc_codec *codec = dai->codec;
1281
1282 if (mute) {
1283 snd_soc_update_bits(codec, DA7213_DAC_L_CTRL,
1284 DA7213_MUTE_EN, DA7213_MUTE_EN);
1285 snd_soc_update_bits(codec, DA7213_DAC_R_CTRL,
1286 DA7213_MUTE_EN, DA7213_MUTE_EN);
1287 } else {
1288 snd_soc_update_bits(codec, DA7213_DAC_L_CTRL,
1289 DA7213_MUTE_EN, 0);
1290 snd_soc_update_bits(codec, DA7213_DAC_R_CTRL,
1291 DA7213_MUTE_EN, 0);
1292 }
1293
1294 return 0;
1295 }
1296
1297 #define DA7213_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1298 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1299
1300 static int da7213_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1301 int clk_id, unsigned int freq, int dir)
1302 {
1303 struct snd_soc_codec *codec = codec_dai->codec;
1304 struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1305 int ret = 0;
1306
1307 if ((da7213->clk_src == clk_id) && (da7213->mclk_rate == freq))
1308 return 0;
1309
1310 if (((freq < 5000000) && (freq != 32768)) || (freq > 54000000)) {
1311 dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1312 freq);
1313 return -EINVAL;
1314 }
1315
1316 switch (clk_id) {
1317 case DA7213_CLKSRC_MCLK:
1318 snd_soc_update_bits(codec, DA7213_PLL_CTRL,
1319 DA7213_PLL_MCLK_SQR_EN, 0);
1320 break;
1321 case DA7213_CLKSRC_MCLK_SQR:
1322 snd_soc_update_bits(codec, DA7213_PLL_CTRL,
1323 DA7213_PLL_MCLK_SQR_EN,
1324 DA7213_PLL_MCLK_SQR_EN);
1325 break;
1326 default:
1327 dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1328 return -EINVAL;
1329 }
1330
1331 da7213->clk_src = clk_id;
1332
1333 if (da7213->mclk) {
1334 freq = clk_round_rate(da7213->mclk, freq);
1335 ret = clk_set_rate(da7213->mclk, freq);
1336 if (ret) {
1337 dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
1338 freq);
1339 return ret;
1340 }
1341 }
1342
1343 da7213->mclk_rate = freq;
1344
1345 return 0;
1346 }
1347
1348 /* Supported PLL input frequencies are 32KHz, 5MHz - 54MHz. */
1349 static int da7213_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1350 int source, unsigned int fref, unsigned int fout)
1351 {
1352 struct snd_soc_codec *codec = codec_dai->codec;
1353 struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1354
1355 u8 pll_ctrl, indiv_bits, indiv;
1356 u8 pll_frac_top, pll_frac_bot, pll_integer;
1357 u32 freq_ref;
1358 u64 frac_div;
1359
1360 /* Workout input divider based on MCLK rate */
1361 if (da7213->mclk_rate == 32768) {
1362 if (!da7213->master) {
1363 dev_err(codec->dev,
1364 "32KHz only valid if codec is clock master\n");
1365 return -EINVAL;
1366 }
1367
1368 /* 32KHz PLL Mode */
1369 indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ;
1370 indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL;
1371 source = DA7213_SYSCLK_PLL_32KHZ;
1372 freq_ref = 3750000;
1373
1374 } else {
1375 if (da7213->mclk_rate < 5000000) {
1376 dev_err(codec->dev,
1377 "PLL input clock %d below valid range\n",
1378 da7213->mclk_rate);
1379 return -EINVAL;
1380 } else if (da7213->mclk_rate <= 9000000) {
1381 indiv_bits = DA7213_PLL_INDIV_5_TO_9_MHZ;
1382 indiv = DA7213_PLL_INDIV_5_TO_9_MHZ_VAL;
1383 } else if (da7213->mclk_rate <= 18000000) {
1384 indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ;
1385 indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL;
1386 } else if (da7213->mclk_rate <= 36000000) {
1387 indiv_bits = DA7213_PLL_INDIV_18_TO_36_MHZ;
1388 indiv = DA7213_PLL_INDIV_18_TO_36_MHZ_VAL;
1389 } else if (da7213->mclk_rate <= 54000000) {
1390 indiv_bits = DA7213_PLL_INDIV_36_TO_54_MHZ;
1391 indiv = DA7213_PLL_INDIV_36_TO_54_MHZ_VAL;
1392 } else {
1393 dev_err(codec->dev,
1394 "PLL input clock %d above valid range\n",
1395 da7213->mclk_rate);
1396 return -EINVAL;
1397 }
1398 freq_ref = (da7213->mclk_rate / indiv);
1399 }
1400
1401 pll_ctrl = indiv_bits;
1402
1403 /* Configure PLL */
1404 switch (source) {
1405 case DA7213_SYSCLK_MCLK:
1406 snd_soc_update_bits(codec, DA7213_PLL_CTRL,
1407 DA7213_PLL_INDIV_MASK |
1408 DA7213_PLL_MODE_MASK, pll_ctrl);
1409 return 0;
1410 case DA7213_SYSCLK_PLL:
1411 break;
1412 case DA7213_SYSCLK_PLL_SRM:
1413 pll_ctrl |= DA7213_PLL_SRM_EN;
1414 fout = DA7213_PLL_FREQ_OUT_94310400;
1415 break;
1416 case DA7213_SYSCLK_PLL_32KHZ:
1417 if (da7213->mclk_rate != 32768) {
1418 dev_err(codec->dev,
1419 "32KHz mode only valid with 32KHz MCLK\n");
1420 return -EINVAL;
1421 }
1422
1423 pll_ctrl |= DA7213_PLL_32K_MODE | DA7213_PLL_SRM_EN;
1424 fout = DA7213_PLL_FREQ_OUT_94310400;
1425 break;
1426 default:
1427 dev_err(codec->dev, "Invalid PLL config\n");
1428 return -EINVAL;
1429 }
1430
1431 /* Calculate dividers for PLL */
1432 pll_integer = fout / freq_ref;
1433 frac_div = (u64)(fout % freq_ref) * 8192ULL;
1434 do_div(frac_div, freq_ref);
1435 pll_frac_top = (frac_div >> DA7213_BYTE_SHIFT) & DA7213_BYTE_MASK;
1436 pll_frac_bot = (frac_div) & DA7213_BYTE_MASK;
1437
1438 /* Write PLL dividers */
1439 snd_soc_write(codec, DA7213_PLL_FRAC_TOP, pll_frac_top);
1440 snd_soc_write(codec, DA7213_PLL_FRAC_BOT, pll_frac_bot);
1441 snd_soc_write(codec, DA7213_PLL_INTEGER, pll_integer);
1442
1443 /* Enable PLL */
1444 pll_ctrl |= DA7213_PLL_EN;
1445 snd_soc_update_bits(codec, DA7213_PLL_CTRL,
1446 DA7213_PLL_INDIV_MASK | DA7213_PLL_MODE_MASK,
1447 pll_ctrl);
1448
1449 /* Assist 32KHz mode PLL lock */
1450 if (source == DA7213_SYSCLK_PLL_32KHZ) {
1451 snd_soc_write(codec, 0xF0, 0x8B);
1452 snd_soc_write(codec, 0xF1, 0x03);
1453 snd_soc_write(codec, 0xF1, 0x01);
1454 snd_soc_write(codec, 0xF0, 0x00);
1455 }
1456
1457 return 0;
1458 }
1459
1460 /* DAI operations */
1461 static const struct snd_soc_dai_ops da7213_dai_ops = {
1462 .hw_params = da7213_hw_params,
1463 .set_fmt = da7213_set_dai_fmt,
1464 .set_sysclk = da7213_set_dai_sysclk,
1465 .set_pll = da7213_set_dai_pll,
1466 .digital_mute = da7213_mute,
1467 };
1468
1469 static struct snd_soc_dai_driver da7213_dai = {
1470 .name = "da7213-hifi",
1471 /* Playback Capabilities */
1472 .playback = {
1473 .stream_name = "Playback",
1474 .channels_min = 1,
1475 .channels_max = 2,
1476 .rates = SNDRV_PCM_RATE_8000_96000,
1477 .formats = DA7213_FORMATS,
1478 },
1479 /* Capture Capabilities */
1480 .capture = {
1481 .stream_name = "Capture",
1482 .channels_min = 1,
1483 .channels_max = 2,
1484 .rates = SNDRV_PCM_RATE_8000_96000,
1485 .formats = DA7213_FORMATS,
1486 },
1487 .ops = &da7213_dai_ops,
1488 .symmetric_rates = 1,
1489 };
1490
1491 static int da7213_set_bias_level(struct snd_soc_codec *codec,
1492 enum snd_soc_bias_level level)
1493 {
1494 struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1495 int ret;
1496
1497 switch (level) {
1498 case SND_SOC_BIAS_ON:
1499 break;
1500 case SND_SOC_BIAS_PREPARE:
1501 /* Enable MCLK for transition to ON state */
1502 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_STANDBY) {
1503 if (da7213->mclk) {
1504 ret = clk_prepare_enable(da7213->mclk);
1505 if (ret) {
1506 dev_err(codec->dev,
1507 "Failed to enable mclk\n");
1508 return ret;
1509 }
1510 }
1511 }
1512 break;
1513 case SND_SOC_BIAS_STANDBY:
1514 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
1515 /* Enable VMID reference & master bias */
1516 snd_soc_update_bits(codec, DA7213_REFERENCES,
1517 DA7213_VMID_EN | DA7213_BIAS_EN,
1518 DA7213_VMID_EN | DA7213_BIAS_EN);
1519 } else {
1520 /* Remove MCLK */
1521 if (da7213->mclk)
1522 clk_disable_unprepare(da7213->mclk);
1523 }
1524 break;
1525 case SND_SOC_BIAS_OFF:
1526 /* Disable VMID reference & master bias */
1527 snd_soc_update_bits(codec, DA7213_REFERENCES,
1528 DA7213_VMID_EN | DA7213_BIAS_EN, 0);
1529 break;
1530 }
1531 return 0;
1532 }
1533
1534 #if defined(CONFIG_OF)
1535 /* DT */
1536 static const struct of_device_id da7213_of_match[] = {
1537 { .compatible = "dlg,da7213", },
1538 { }
1539 };
1540 MODULE_DEVICE_TABLE(of, da7213_of_match);
1541 #endif
1542
1543 #ifdef CONFIG_ACPI
1544 static const struct acpi_device_id da7213_acpi_match[] = {
1545 { "DLGS7212", 0},
1546 { "DLGS7213", 0},
1547 { },
1548 };
1549 MODULE_DEVICE_TABLE(acpi, da7213_acpi_match);
1550 #endif
1551
1552 static enum da7213_micbias_voltage
1553 da7213_of_micbias_lvl(struct snd_soc_codec *codec, u32 val)
1554 {
1555 switch (val) {
1556 case 1600:
1557 return DA7213_MICBIAS_1_6V;
1558 case 2200:
1559 return DA7213_MICBIAS_2_2V;
1560 case 2500:
1561 return DA7213_MICBIAS_2_5V;
1562 case 3000:
1563 return DA7213_MICBIAS_3_0V;
1564 default:
1565 dev_warn(codec->dev, "Invalid micbias level\n");
1566 return DA7213_MICBIAS_2_2V;
1567 }
1568 }
1569
1570 static enum da7213_dmic_data_sel
1571 da7213_of_dmic_data_sel(struct snd_soc_codec *codec, const char *str)
1572 {
1573 if (!strcmp(str, "lrise_rfall")) {
1574 return DA7213_DMIC_DATA_LRISE_RFALL;
1575 } else if (!strcmp(str, "lfall_rrise")) {
1576 return DA7213_DMIC_DATA_LFALL_RRISE;
1577 } else {
1578 dev_warn(codec->dev, "Invalid DMIC data select type\n");
1579 return DA7213_DMIC_DATA_LRISE_RFALL;
1580 }
1581 }
1582
1583 static enum da7213_dmic_samplephase
1584 da7213_of_dmic_samplephase(struct snd_soc_codec *codec, const char *str)
1585 {
1586 if (!strcmp(str, "on_clkedge")) {
1587 return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1588 } else if (!strcmp(str, "between_clkedge")) {
1589 return DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE;
1590 } else {
1591 dev_warn(codec->dev, "Invalid DMIC sample phase\n");
1592 return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1593 }
1594 }
1595
1596 static enum da7213_dmic_clk_rate
1597 da7213_of_dmic_clkrate(struct snd_soc_codec *codec, u32 val)
1598 {
1599 switch (val) {
1600 case 1500000:
1601 return DA7213_DMIC_CLK_1_5MHZ;
1602 case 3000000:
1603 return DA7213_DMIC_CLK_3_0MHZ;
1604 default:
1605 dev_warn(codec->dev, "Invalid DMIC clock rate\n");
1606 return DA7213_DMIC_CLK_1_5MHZ;
1607 }
1608 }
1609
1610 static struct da7213_platform_data
1611 *da7213_fw_to_pdata(struct snd_soc_codec *codec)
1612 {
1613 struct device *dev = codec->dev;
1614 struct da7213_platform_data *pdata;
1615 const char *fw_str;
1616 u32 fw_val32;
1617
1618 pdata = devm_kzalloc(codec->dev, sizeof(*pdata), GFP_KERNEL);
1619 if (!pdata) {
1620 dev_warn(codec->dev, "Failed to allocate memory for pdata\n");
1621 return NULL;
1622 }
1623
1624 if (device_property_read_u32(dev, "dlg,micbias1-lvl", &fw_val32) >= 0)
1625 pdata->micbias1_lvl = da7213_of_micbias_lvl(codec, fw_val32);
1626 else
1627 pdata->micbias1_lvl = DA7213_MICBIAS_2_2V;
1628
1629 if (device_property_read_u32(dev, "dlg,micbias2-lvl", &fw_val32) >= 0)
1630 pdata->micbias2_lvl = da7213_of_micbias_lvl(codec, fw_val32);
1631 else
1632 pdata->micbias2_lvl = DA7213_MICBIAS_2_2V;
1633
1634 if (!device_property_read_string(dev, "dlg,dmic-data-sel", &fw_str))
1635 pdata->dmic_data_sel = da7213_of_dmic_data_sel(codec, fw_str);
1636 else
1637 pdata->dmic_data_sel = DA7213_DMIC_DATA_LRISE_RFALL;
1638
1639 if (!device_property_read_string(dev, "dlg,dmic-samplephase", &fw_str))
1640 pdata->dmic_samplephase =
1641 da7213_of_dmic_samplephase(codec, fw_str);
1642 else
1643 pdata->dmic_samplephase = DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1644
1645 if (device_property_read_u32(dev, "dlg,dmic-clkrate", &fw_val32) >= 0)
1646 pdata->dmic_clk_rate = da7213_of_dmic_clkrate(codec, fw_val32);
1647 else
1648 pdata->dmic_clk_rate = DA7213_DMIC_CLK_3_0MHZ;
1649
1650 return pdata;
1651 }
1652
1653
1654 static int da7213_probe(struct snd_soc_codec *codec)
1655 {
1656 struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1657
1658 /* Default to using ALC auto offset calibration mode. */
1659 snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
1660 DA7213_ALC_CALIB_MODE_MAN, 0);
1661 da7213->alc_calib_auto = true;
1662
1663 /* Default PC counter to free-running */
1664 snd_soc_update_bits(codec, DA7213_PC_COUNT, DA7213_PC_FREERUN_MASK,
1665 DA7213_PC_FREERUN_MASK);
1666
1667 /* Enable all Gain Ramps */
1668 snd_soc_update_bits(codec, DA7213_AUX_L_CTRL,
1669 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1670 snd_soc_update_bits(codec, DA7213_AUX_R_CTRL,
1671 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1672 snd_soc_update_bits(codec, DA7213_MIXIN_L_CTRL,
1673 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1674 snd_soc_update_bits(codec, DA7213_MIXIN_R_CTRL,
1675 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1676 snd_soc_update_bits(codec, DA7213_ADC_L_CTRL,
1677 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1678 snd_soc_update_bits(codec, DA7213_ADC_R_CTRL,
1679 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1680 snd_soc_update_bits(codec, DA7213_DAC_L_CTRL,
1681 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1682 snd_soc_update_bits(codec, DA7213_DAC_R_CTRL,
1683 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1684 snd_soc_update_bits(codec, DA7213_HP_L_CTRL,
1685 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1686 snd_soc_update_bits(codec, DA7213_HP_R_CTRL,
1687 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1688 snd_soc_update_bits(codec, DA7213_LINE_CTRL,
1689 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1690
1691 /*
1692 * There are two separate control bits for input and output mixers as
1693 * well as headphone and line outs.
1694 * One to enable corresponding amplifier and other to enable its
1695 * output. As amplifier bits are related to power control, they are
1696 * being managed by DAPM while other (non power related) bits are
1697 * enabled here
1698 */
1699 snd_soc_update_bits(codec, DA7213_MIXIN_L_CTRL,
1700 DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
1701 snd_soc_update_bits(codec, DA7213_MIXIN_R_CTRL,
1702 DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
1703
1704 snd_soc_update_bits(codec, DA7213_MIXOUT_L_CTRL,
1705 DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
1706 snd_soc_update_bits(codec, DA7213_MIXOUT_R_CTRL,
1707 DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
1708
1709 snd_soc_update_bits(codec, DA7213_HP_L_CTRL,
1710 DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
1711 snd_soc_update_bits(codec, DA7213_HP_R_CTRL,
1712 DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
1713
1714 snd_soc_update_bits(codec, DA7213_LINE_CTRL,
1715 DA7213_LINE_AMP_OE, DA7213_LINE_AMP_OE);
1716
1717 /* Handle DT/Platform data */
1718 da7213->pdata = dev_get_platdata(codec->dev);
1719 if (!da7213->pdata)
1720 da7213->pdata = da7213_fw_to_pdata(codec);
1721
1722 /* Set platform data values */
1723 if (da7213->pdata) {
1724 struct da7213_platform_data *pdata = da7213->pdata;
1725 u8 micbias_lvl = 0, dmic_cfg = 0;
1726
1727 /* Set Mic Bias voltages */
1728 switch (pdata->micbias1_lvl) {
1729 case DA7213_MICBIAS_1_6V:
1730 case DA7213_MICBIAS_2_2V:
1731 case DA7213_MICBIAS_2_5V:
1732 case DA7213_MICBIAS_3_0V:
1733 micbias_lvl |= (pdata->micbias1_lvl <<
1734 DA7213_MICBIAS1_LEVEL_SHIFT);
1735 break;
1736 }
1737 switch (pdata->micbias2_lvl) {
1738 case DA7213_MICBIAS_1_6V:
1739 case DA7213_MICBIAS_2_2V:
1740 case DA7213_MICBIAS_2_5V:
1741 case DA7213_MICBIAS_3_0V:
1742 micbias_lvl |= (pdata->micbias2_lvl <<
1743 DA7213_MICBIAS2_LEVEL_SHIFT);
1744 break;
1745 }
1746 snd_soc_update_bits(codec, DA7213_MICBIAS_CTRL,
1747 DA7213_MICBIAS1_LEVEL_MASK |
1748 DA7213_MICBIAS2_LEVEL_MASK, micbias_lvl);
1749
1750 /* Set DMIC configuration */
1751 switch (pdata->dmic_data_sel) {
1752 case DA7213_DMIC_DATA_LFALL_RRISE:
1753 case DA7213_DMIC_DATA_LRISE_RFALL:
1754 dmic_cfg |= (pdata->dmic_data_sel <<
1755 DA7213_DMIC_DATA_SEL_SHIFT);
1756 break;
1757 }
1758 switch (pdata->dmic_samplephase) {
1759 case DA7213_DMIC_SAMPLE_ON_CLKEDGE:
1760 case DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE:
1761 dmic_cfg |= (pdata->dmic_samplephase <<
1762 DA7213_DMIC_SAMPLEPHASE_SHIFT);
1763 break;
1764 }
1765 switch (pdata->dmic_clk_rate) {
1766 case DA7213_DMIC_CLK_3_0MHZ:
1767 case DA7213_DMIC_CLK_1_5MHZ:
1768 dmic_cfg |= (pdata->dmic_clk_rate <<
1769 DA7213_DMIC_CLK_RATE_SHIFT);
1770 break;
1771 }
1772 snd_soc_update_bits(codec, DA7213_MIC_CONFIG,
1773 DA7213_DMIC_DATA_SEL_MASK |
1774 DA7213_DMIC_SAMPLEPHASE_MASK |
1775 DA7213_DMIC_CLK_RATE_MASK, dmic_cfg);
1776 }
1777
1778 /* Check if MCLK provided */
1779 da7213->mclk = devm_clk_get(codec->dev, "mclk");
1780 if (IS_ERR(da7213->mclk)) {
1781 if (PTR_ERR(da7213->mclk) != -ENOENT)
1782 return PTR_ERR(da7213->mclk);
1783 else
1784 da7213->mclk = NULL;
1785 }
1786
1787 return 0;
1788 }
1789
1790 static const struct snd_soc_codec_driver soc_codec_dev_da7213 = {
1791 .probe = da7213_probe,
1792 .set_bias_level = da7213_set_bias_level,
1793
1794 .component_driver = {
1795 .controls = da7213_snd_controls,
1796 .num_controls = ARRAY_SIZE(da7213_snd_controls),
1797 .dapm_widgets = da7213_dapm_widgets,
1798 .num_dapm_widgets = ARRAY_SIZE(da7213_dapm_widgets),
1799 .dapm_routes = da7213_audio_map,
1800 .num_dapm_routes = ARRAY_SIZE(da7213_audio_map),
1801 },
1802 };
1803
1804 static const struct regmap_config da7213_regmap_config = {
1805 .reg_bits = 8,
1806 .val_bits = 8,
1807
1808 .reg_defaults = da7213_reg_defaults,
1809 .num_reg_defaults = ARRAY_SIZE(da7213_reg_defaults),
1810 .volatile_reg = da7213_volatile_register,
1811 .cache_type = REGCACHE_RBTREE,
1812 };
1813
1814 static int da7213_i2c_probe(struct i2c_client *i2c,
1815 const struct i2c_device_id *id)
1816 {
1817 struct da7213_priv *da7213;
1818 int ret;
1819
1820 da7213 = devm_kzalloc(&i2c->dev, sizeof(struct da7213_priv),
1821 GFP_KERNEL);
1822 if (!da7213)
1823 return -ENOMEM;
1824
1825 i2c_set_clientdata(i2c, da7213);
1826
1827 da7213->regmap = devm_regmap_init_i2c(i2c, &da7213_regmap_config);
1828 if (IS_ERR(da7213->regmap)) {
1829 ret = PTR_ERR(da7213->regmap);
1830 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
1831 return ret;
1832 }
1833
1834 ret = snd_soc_register_codec(&i2c->dev,
1835 &soc_codec_dev_da7213, &da7213_dai, 1);
1836 if (ret < 0) {
1837 dev_err(&i2c->dev, "Failed to register da7213 codec: %d\n",
1838 ret);
1839 }
1840 return ret;
1841 }
1842
1843 static int da7213_remove(struct i2c_client *client)
1844 {
1845 snd_soc_unregister_codec(&client->dev);
1846 return 0;
1847 }
1848
1849 static const struct i2c_device_id da7213_i2c_id[] = {
1850 { "da7213", 0 },
1851 { }
1852 };
1853 MODULE_DEVICE_TABLE(i2c, da7213_i2c_id);
1854
1855 /* I2C codec control layer */
1856 static struct i2c_driver da7213_i2c_driver = {
1857 .driver = {
1858 .name = "da7213",
1859 .of_match_table = of_match_ptr(da7213_of_match),
1860 .acpi_match_table = ACPI_PTR(da7213_acpi_match),
1861 },
1862 .probe = da7213_i2c_probe,
1863 .remove = da7213_remove,
1864 .id_table = da7213_i2c_id,
1865 };
1866
1867 module_i2c_driver(da7213_i2c_driver);
1868
1869 MODULE_DESCRIPTION("ASoC DA7213 Codec driver");
1870 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
1871 MODULE_LICENSE("GPL");
Linux with added FPC-III support