1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * da7218.c - DA7218 ALSA SoC Codec Driver
4  *
5  * Copyright (c) 2015 Dialog Semiconductor
6  *
7  * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
8  */
9 
10 #include <linux/clk.h>
11 #include <linux/i2c.h>
12 #include <linux/of_device.h>
13 #include <linux/regmap.h>
14 #include <linux/slab.h>
15 #include <linux/pm.h>
16 #include <linux/module.h>
17 #include <linux/delay.h>
18 #include <linux/regulator/consumer.h>
19 #include <sound/pcm.h>
20 #include <sound/pcm_params.h>
21 #include <sound/soc.h>
22 #include <sound/soc-dapm.h>
23 #include <sound/jack.h>
24 #include <sound/initval.h>
25 #include <sound/tlv.h>
26 #include <asm/div64.h>
27 
28 #include <sound/da7218.h>
29 #include "da7218.h"
30 
31 
32 /*
33  * TLVs and Enums
34  */
35 
36 /* Input TLVs */
37 static const DECLARE_TLV_DB_SCALE(da7218_mic_gain_tlv, -600, 600, 0);
38 static const DECLARE_TLV_DB_SCALE(da7218_mixin_gain_tlv, -450, 150, 0);
39 static const DECLARE_TLV_DB_SCALE(da7218_in_dig_gain_tlv, -8325, 75, 0);
40 static const DECLARE_TLV_DB_SCALE(da7218_ags_trigger_tlv, -9000, 600, 0);
41 static const DECLARE_TLV_DB_SCALE(da7218_ags_att_max_tlv, 0, 600, 0);
42 static const DECLARE_TLV_DB_SCALE(da7218_alc_threshold_tlv, -9450, 150, 0);
43 static const DECLARE_TLV_DB_SCALE(da7218_alc_gain_tlv, 0, 600, 0);
44 static const DECLARE_TLV_DB_SCALE(da7218_alc_ana_gain_tlv, 0, 600, 0);
45 
46 /* Input/Output TLVs */
47 static const DECLARE_TLV_DB_SCALE(da7218_dmix_gain_tlv, -4200, 150, 0);
48 
49 /* Output TLVs */
50 static const DECLARE_TLV_DB_SCALE(da7218_dgs_trigger_tlv, -9450, 150, 0);
51 static const DECLARE_TLV_DB_SCALE(da7218_dgs_anticlip_tlv, -4200, 600, 0);
52 static const DECLARE_TLV_DB_SCALE(da7218_dgs_signal_tlv, -9000, 600, 0);
53 static const DECLARE_TLV_DB_SCALE(da7218_out_eq_band_tlv, -1050, 150, 0);
54 static const DECLARE_TLV_DB_SCALE(da7218_out_dig_gain_tlv, -8325, 75, 0);
55 static const DECLARE_TLV_DB_SCALE(da7218_dac_ng_threshold_tlv, -10200, 600, 0);
56 static const DECLARE_TLV_DB_SCALE(da7218_mixout_gain_tlv, -100, 50, 0);
57 static const DECLARE_TLV_DB_SCALE(da7218_hp_gain_tlv, -5700, 150, 0);
58 
59 /* Input Enums */
60 static const char * const da7218_alc_attack_rate_txt[] = {
61 	"7.33/fs", "14.66/fs", "29.32/fs", "58.64/fs", "117.3/fs", "234.6/fs",
62 	"469.1/fs", "938.2/fs", "1876/fs", "3753/fs", "7506/fs", "15012/fs",
63 	"30024/fs",
64 };
65 
66 static const struct soc_enum da7218_alc_attack_rate =
67 	SOC_ENUM_SINGLE(DA7218_ALC_CTRL2, DA7218_ALC_ATTACK_SHIFT,
68 			DA7218_ALC_ATTACK_MAX, da7218_alc_attack_rate_txt);
69 
70 static const char * const da7218_alc_release_rate_txt[] = {
71 	"28.66/fs", "57.33/fs", "114.6/fs", "229.3/fs", "458.6/fs", "917.1/fs",
72 	"1834/fs", "3668/fs", "7337/fs", "14674/fs", "29348/fs",
73 };
74 
75 static const struct soc_enum da7218_alc_release_rate =
76 	SOC_ENUM_SINGLE(DA7218_ALC_CTRL2, DA7218_ALC_RELEASE_SHIFT,
77 			DA7218_ALC_RELEASE_MAX, da7218_alc_release_rate_txt);
78 
79 static const char * const da7218_alc_hold_time_txt[] = {
80 	"62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
81 	"7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
82 	"253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
83 };
84 
85 static const struct soc_enum da7218_alc_hold_time =
86 	SOC_ENUM_SINGLE(DA7218_ALC_CTRL3, DA7218_ALC_HOLD_SHIFT,
87 			DA7218_ALC_HOLD_MAX, da7218_alc_hold_time_txt);
88 
89 static const char * const da7218_alc_anticlip_step_txt[] = {
90 	"0.034dB/fs", "0.068dB/fs", "0.136dB/fs", "0.272dB/fs",
91 };
92 
93 static const struct soc_enum da7218_alc_anticlip_step =
94 	SOC_ENUM_SINGLE(DA7218_ALC_ANTICLIP_CTRL,
95 			DA7218_ALC_ANTICLIP_STEP_SHIFT,
96 			DA7218_ALC_ANTICLIP_STEP_MAX,
97 			da7218_alc_anticlip_step_txt);
98 
99 static const char * const da7218_integ_rate_txt[] = {
100 	"1/4", "1/16", "1/256", "1/65536"
101 };
102 
103 static const struct soc_enum da7218_integ_attack_rate =
104 	SOC_ENUM_SINGLE(DA7218_ENV_TRACK_CTRL, DA7218_INTEG_ATTACK_SHIFT,
105 			DA7218_INTEG_MAX, da7218_integ_rate_txt);
106 
107 static const struct soc_enum da7218_integ_release_rate =
108 	SOC_ENUM_SINGLE(DA7218_ENV_TRACK_CTRL, DA7218_INTEG_RELEASE_SHIFT,
109 			DA7218_INTEG_MAX, da7218_integ_rate_txt);
110 
111 /* Input/Output Enums */
112 static const char * const da7218_gain_ramp_rate_txt[] = {
113 	"Nominal Rate * 8", "Nominal Rate", "Nominal Rate / 8",
114 	"Nominal Rate / 16",
115 };
116 
117 static const struct soc_enum da7218_gain_ramp_rate =
118 	SOC_ENUM_SINGLE(DA7218_GAIN_RAMP_CTRL, DA7218_GAIN_RAMP_RATE_SHIFT,
119 			DA7218_GAIN_RAMP_RATE_MAX, da7218_gain_ramp_rate_txt);
120 
121 static const char * const da7218_hpf_mode_txt[] = {
122 	"Disabled", "Audio", "Voice",
123 };
124 
125 static const unsigned int da7218_hpf_mode_val[] = {
126 	DA7218_HPF_DISABLED, DA7218_HPF_AUDIO_EN, DA7218_HPF_VOICE_EN,
127 };
128 
129 static const struct soc_enum da7218_in1_hpf_mode =
130 	SOC_VALUE_ENUM_SINGLE(DA7218_IN_1_HPF_FILTER_CTRL,
131 			      DA7218_HPF_MODE_SHIFT, DA7218_HPF_MODE_MASK,
132 			      DA7218_HPF_MODE_MAX, da7218_hpf_mode_txt,
133 			      da7218_hpf_mode_val);
134 
135 static const struct soc_enum da7218_in2_hpf_mode =
136 	SOC_VALUE_ENUM_SINGLE(DA7218_IN_2_HPF_FILTER_CTRL,
137 			      DA7218_HPF_MODE_SHIFT, DA7218_HPF_MODE_MASK,
138 			      DA7218_HPF_MODE_MAX, da7218_hpf_mode_txt,
139 			      da7218_hpf_mode_val);
140 
141 static const struct soc_enum da7218_out1_hpf_mode =
142 	SOC_VALUE_ENUM_SINGLE(DA7218_OUT_1_HPF_FILTER_CTRL,
143 			      DA7218_HPF_MODE_SHIFT, DA7218_HPF_MODE_MASK,
144 			      DA7218_HPF_MODE_MAX, da7218_hpf_mode_txt,
145 			      da7218_hpf_mode_val);
146 
147 static const char * const da7218_audio_hpf_corner_txt[] = {
148 	"2Hz", "4Hz", "8Hz", "16Hz",
149 };
150 
151 static const struct soc_enum da7218_in1_audio_hpf_corner =
152 	SOC_ENUM_SINGLE(DA7218_IN_1_HPF_FILTER_CTRL,
153 			DA7218_IN_1_AUDIO_HPF_CORNER_SHIFT,
154 			DA7218_AUDIO_HPF_CORNER_MAX,
155 			da7218_audio_hpf_corner_txt);
156 
157 static const struct soc_enum da7218_in2_audio_hpf_corner =
158 	SOC_ENUM_SINGLE(DA7218_IN_2_HPF_FILTER_CTRL,
159 			DA7218_IN_2_AUDIO_HPF_CORNER_SHIFT,
160 			DA7218_AUDIO_HPF_CORNER_MAX,
161 			da7218_audio_hpf_corner_txt);
162 
163 static const struct soc_enum da7218_out1_audio_hpf_corner =
164 	SOC_ENUM_SINGLE(DA7218_OUT_1_HPF_FILTER_CTRL,
165 			DA7218_OUT_1_AUDIO_HPF_CORNER_SHIFT,
166 			DA7218_AUDIO_HPF_CORNER_MAX,
167 			da7218_audio_hpf_corner_txt);
168 
169 static const char * const da7218_voice_hpf_corner_txt[] = {
170 	"2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz",
171 };
172 
173 static const struct soc_enum da7218_in1_voice_hpf_corner =
174 	SOC_ENUM_SINGLE(DA7218_IN_1_HPF_FILTER_CTRL,
175 			DA7218_IN_1_VOICE_HPF_CORNER_SHIFT,
176 			DA7218_VOICE_HPF_CORNER_MAX,
177 			da7218_voice_hpf_corner_txt);
178 
179 static const struct soc_enum da7218_in2_voice_hpf_corner =
180 	SOC_ENUM_SINGLE(DA7218_IN_2_HPF_FILTER_CTRL,
181 			DA7218_IN_2_VOICE_HPF_CORNER_SHIFT,
182 			DA7218_VOICE_HPF_CORNER_MAX,
183 			da7218_voice_hpf_corner_txt);
184 
185 static const struct soc_enum da7218_out1_voice_hpf_corner =
186 	SOC_ENUM_SINGLE(DA7218_OUT_1_HPF_FILTER_CTRL,
187 			DA7218_OUT_1_VOICE_HPF_CORNER_SHIFT,
188 			DA7218_VOICE_HPF_CORNER_MAX,
189 			da7218_voice_hpf_corner_txt);
190 
191 static const char * const da7218_tonegen_dtmf_key_txt[] = {
192 	"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D",
193 	"*", "#"
194 };
195 
196 static const struct soc_enum da7218_tonegen_dtmf_key =
197 	SOC_ENUM_SINGLE(DA7218_TONE_GEN_CFG1, DA7218_DTMF_REG_SHIFT,
198 			DA7218_DTMF_REG_MAX, da7218_tonegen_dtmf_key_txt);
199 
200 static const char * const da7218_tonegen_swg_sel_txt[] = {
201 	"Sum", "SWG1", "SWG2", "SWG1_1-Cos"
202 };
203 
204 static const struct soc_enum da7218_tonegen_swg_sel =
205 	SOC_ENUM_SINGLE(DA7218_TONE_GEN_CFG2, DA7218_SWG_SEL_SHIFT,
206 			DA7218_SWG_SEL_MAX, da7218_tonegen_swg_sel_txt);
207 
208 /* Output Enums */
209 static const char * const da7218_dgs_rise_coeff_txt[] = {
210 	"1/1", "1/16", "1/64", "1/256", "1/1024", "1/4096", "1/16384",
211 };
212 
213 static const struct soc_enum da7218_dgs_rise_coeff =
214 	SOC_ENUM_SINGLE(DA7218_DGS_RISE_FALL, DA7218_DGS_RISE_COEFF_SHIFT,
215 			DA7218_DGS_RISE_COEFF_MAX, da7218_dgs_rise_coeff_txt);
216 
217 static const char * const da7218_dgs_fall_coeff_txt[] = {
218 	"1/4", "1/16", "1/64", "1/256", "1/1024", "1/4096", "1/16384", "1/65536",
219 };
220 
221 static const struct soc_enum da7218_dgs_fall_coeff =
222 	SOC_ENUM_SINGLE(DA7218_DGS_RISE_FALL, DA7218_DGS_FALL_COEFF_SHIFT,
223 			DA7218_DGS_FALL_COEFF_MAX, da7218_dgs_fall_coeff_txt);
224 
225 static const char * const da7218_dac_ng_setup_time_txt[] = {
226 	"256 Samples", "512 Samples", "1024 Samples", "2048 Samples"
227 };
228 
229 static const struct soc_enum da7218_dac_ng_setup_time =
230 	SOC_ENUM_SINGLE(DA7218_DAC_NG_SETUP_TIME,
231 			DA7218_DAC_NG_SETUP_TIME_SHIFT,
232 			DA7218_DAC_NG_SETUP_TIME_MAX,
233 			da7218_dac_ng_setup_time_txt);
234 
235 static const char * const da7218_dac_ng_rampup_txt[] = {
236 	"0.22ms/dB", "0.0138ms/dB"
237 };
238 
239 static const struct soc_enum da7218_dac_ng_rampup_rate =
240 	SOC_ENUM_SINGLE(DA7218_DAC_NG_SETUP_TIME,
241 			DA7218_DAC_NG_RAMPUP_RATE_SHIFT,
242 			DA7218_DAC_NG_RAMPUP_RATE_MAX,
243 			da7218_dac_ng_rampup_txt);
244 
245 static const char * const da7218_dac_ng_rampdown_txt[] = {
246 	"0.88ms/dB", "14.08ms/dB"
247 };
248 
249 static const struct soc_enum da7218_dac_ng_rampdown_rate =
250 	SOC_ENUM_SINGLE(DA7218_DAC_NG_SETUP_TIME,
251 			DA7218_DAC_NG_RAMPDN_RATE_SHIFT,
252 			DA7218_DAC_NG_RAMPDN_RATE_MAX,
253 			da7218_dac_ng_rampdown_txt);
254 
255 static const char * const da7218_cp_mchange_txt[] = {
256 	"Largest Volume", "DAC Volume", "Signal Magnitude"
257 };
258 
259 static const unsigned int da7218_cp_mchange_val[] = {
260 	DA7218_CP_MCHANGE_LARGEST_VOL, DA7218_CP_MCHANGE_DAC_VOL,
261 	DA7218_CP_MCHANGE_SIG_MAG
262 };
263 
264 static const struct soc_enum da7218_cp_mchange =
265 	SOC_VALUE_ENUM_SINGLE(DA7218_CP_CTRL, DA7218_CP_MCHANGE_SHIFT,
266 			      DA7218_CP_MCHANGE_REL_MASK, DA7218_CP_MCHANGE_MAX,
267 			      da7218_cp_mchange_txt, da7218_cp_mchange_val);
268 
269 static const char * const da7218_cp_fcontrol_txt[] = {
270 	"1MHz", "500KHz", "250KHz", "125KHz", "63KHz", "0KHz"
271 };
272 
273 static const struct soc_enum da7218_cp_fcontrol =
274 	SOC_ENUM_SINGLE(DA7218_CP_DELAY, DA7218_CP_FCONTROL_SHIFT,
275 			DA7218_CP_FCONTROL_MAX, da7218_cp_fcontrol_txt);
276 
277 static const char * const da7218_cp_tau_delay_txt[] = {
278 	"0ms", "2ms", "4ms", "16ms", "64ms", "128ms", "256ms", "512ms"
279 };
280 
281 static const struct soc_enum da7218_cp_tau_delay =
282 	SOC_ENUM_SINGLE(DA7218_CP_DELAY, DA7218_CP_TAU_DELAY_SHIFT,
283 			DA7218_CP_TAU_DELAY_MAX, da7218_cp_tau_delay_txt);
284 
285 /*
286  * Control Functions
287  */
288 
289 /* ALC */
da7218_alc_calib(struct snd_soc_component * component)290 static void da7218_alc_calib(struct snd_soc_component *component)
291 {
292 	u8 mic_1_ctrl, mic_2_ctrl;
293 	u8 mixin_1_ctrl, mixin_2_ctrl;
294 	u8 in_1l_filt_ctrl, in_1r_filt_ctrl, in_2l_filt_ctrl, in_2r_filt_ctrl;
295 	u8 in_1_hpf_ctrl, in_2_hpf_ctrl;
296 	u8 calib_ctrl;
297 	int i = 0;
298 	bool calibrated = false;
299 
300 	/* Save current state of MIC control registers */
301 	mic_1_ctrl = snd_soc_component_read(component, DA7218_MIC_1_CTRL);
302 	mic_2_ctrl = snd_soc_component_read(component, DA7218_MIC_2_CTRL);
303 
304 	/* Save current state of input mixer control registers */
305 	mixin_1_ctrl = snd_soc_component_read(component, DA7218_MIXIN_1_CTRL);
306 	mixin_2_ctrl = snd_soc_component_read(component, DA7218_MIXIN_2_CTRL);
307 
308 	/* Save current state of input filter control registers */
309 	in_1l_filt_ctrl = snd_soc_component_read(component, DA7218_IN_1L_FILTER_CTRL);
310 	in_1r_filt_ctrl = snd_soc_component_read(component, DA7218_IN_1R_FILTER_CTRL);
311 	in_2l_filt_ctrl = snd_soc_component_read(component, DA7218_IN_2L_FILTER_CTRL);
312 	in_2r_filt_ctrl = snd_soc_component_read(component, DA7218_IN_2R_FILTER_CTRL);
313 
314 	/* Save current state of input HPF control registers */
315 	in_1_hpf_ctrl = snd_soc_component_read(component, DA7218_IN_1_HPF_FILTER_CTRL);
316 	in_2_hpf_ctrl = snd_soc_component_read(component, DA7218_IN_2_HPF_FILTER_CTRL);
317 
318 	/* Enable then Mute MIC PGAs */
319 	snd_soc_component_update_bits(component, DA7218_MIC_1_CTRL, DA7218_MIC_1_AMP_EN_MASK,
320 			    DA7218_MIC_1_AMP_EN_MASK);
321 	snd_soc_component_update_bits(component, DA7218_MIC_2_CTRL, DA7218_MIC_2_AMP_EN_MASK,
322 			    DA7218_MIC_2_AMP_EN_MASK);
323 	snd_soc_component_update_bits(component, DA7218_MIC_1_CTRL,
324 			    DA7218_MIC_1_AMP_MUTE_EN_MASK,
325 			    DA7218_MIC_1_AMP_MUTE_EN_MASK);
326 	snd_soc_component_update_bits(component, DA7218_MIC_2_CTRL,
327 			    DA7218_MIC_2_AMP_MUTE_EN_MASK,
328 			    DA7218_MIC_2_AMP_MUTE_EN_MASK);
329 
330 	/* Enable input mixers unmuted */
331 	snd_soc_component_update_bits(component, DA7218_MIXIN_1_CTRL,
332 			    DA7218_MIXIN_1_AMP_EN_MASK |
333 			    DA7218_MIXIN_1_AMP_MUTE_EN_MASK,
334 			    DA7218_MIXIN_1_AMP_EN_MASK);
335 	snd_soc_component_update_bits(component, DA7218_MIXIN_2_CTRL,
336 			    DA7218_MIXIN_2_AMP_EN_MASK |
337 			    DA7218_MIXIN_2_AMP_MUTE_EN_MASK,
338 			    DA7218_MIXIN_2_AMP_EN_MASK);
339 
340 	/* Enable input filters unmuted */
341 	snd_soc_component_update_bits(component, DA7218_IN_1L_FILTER_CTRL,
342 			    DA7218_IN_1L_FILTER_EN_MASK |
343 			    DA7218_IN_1L_MUTE_EN_MASK,
344 			    DA7218_IN_1L_FILTER_EN_MASK);
345 	snd_soc_component_update_bits(component, DA7218_IN_1R_FILTER_CTRL,
346 			    DA7218_IN_1R_FILTER_EN_MASK |
347 			    DA7218_IN_1R_MUTE_EN_MASK,
348 			    DA7218_IN_1R_FILTER_EN_MASK);
349 	snd_soc_component_update_bits(component, DA7218_IN_2L_FILTER_CTRL,
350 			    DA7218_IN_2L_FILTER_EN_MASK |
351 			    DA7218_IN_2L_MUTE_EN_MASK,
352 			    DA7218_IN_2L_FILTER_EN_MASK);
353 	snd_soc_component_update_bits(component, DA7218_IN_2R_FILTER_CTRL,
354 			    DA7218_IN_2R_FILTER_EN_MASK |
355 			    DA7218_IN_2R_MUTE_EN_MASK,
356 			    DA7218_IN_2R_FILTER_EN_MASK);
357 
358 	/*
359 	 * Make sure input HPFs voice mode is disabled, otherwise for sampling
360 	 * rates above 32KHz the ADC signals will be stopped and will cause
361 	 * calibration to lock up.
362 	 */
363 	snd_soc_component_update_bits(component, DA7218_IN_1_HPF_FILTER_CTRL,
364 			    DA7218_IN_1_VOICE_EN_MASK, 0);
365 	snd_soc_component_update_bits(component, DA7218_IN_2_HPF_FILTER_CTRL,
366 			    DA7218_IN_2_VOICE_EN_MASK, 0);
367 
368 	/* Perform auto calibration */
369 	snd_soc_component_update_bits(component, DA7218_CALIB_CTRL, DA7218_CALIB_AUTO_EN_MASK,
370 			    DA7218_CALIB_AUTO_EN_MASK);
371 	do {
372 		calib_ctrl = snd_soc_component_read(component, DA7218_CALIB_CTRL);
373 		if (calib_ctrl & DA7218_CALIB_AUTO_EN_MASK) {
374 			++i;
375 			usleep_range(DA7218_ALC_CALIB_DELAY_MIN,
376 				     DA7218_ALC_CALIB_DELAY_MAX);
377 		} else {
378 			calibrated = true;
379 		}
380 
381 	} while ((i < DA7218_ALC_CALIB_MAX_TRIES) && (!calibrated));
382 
383 	/* If auto calibration fails, disable DC offset, hybrid ALC */
384 	if ((!calibrated) || (calib_ctrl & DA7218_CALIB_OVERFLOW_MASK)) {
385 		dev_warn(component->dev,
386 			 "ALC auto calibration failed - %s\n",
387 			 (calibrated) ? "overflow" : "timeout");
388 		snd_soc_component_update_bits(component, DA7218_CALIB_CTRL,
389 				    DA7218_CALIB_OFFSET_EN_MASK, 0);
390 		snd_soc_component_update_bits(component, DA7218_ALC_CTRL1,
391 				    DA7218_ALC_SYNC_MODE_MASK, 0);
392 
393 	} else {
394 		/* Enable DC offset cancellation */
395 		snd_soc_component_update_bits(component, DA7218_CALIB_CTRL,
396 				    DA7218_CALIB_OFFSET_EN_MASK,
397 				    DA7218_CALIB_OFFSET_EN_MASK);
398 
399 		/* Enable ALC hybrid mode */
400 		snd_soc_component_update_bits(component, DA7218_ALC_CTRL1,
401 				    DA7218_ALC_SYNC_MODE_MASK,
402 				    DA7218_ALC_SYNC_MODE_CH1 |
403 				    DA7218_ALC_SYNC_MODE_CH2);
404 	}
405 
406 	/* Restore input HPF control registers to original states */
407 	snd_soc_component_write(component, DA7218_IN_1_HPF_FILTER_CTRL, in_1_hpf_ctrl);
408 	snd_soc_component_write(component, DA7218_IN_2_HPF_FILTER_CTRL, in_2_hpf_ctrl);
409 
410 	/* Restore input filter control registers to original states */
411 	snd_soc_component_write(component, DA7218_IN_1L_FILTER_CTRL, in_1l_filt_ctrl);
412 	snd_soc_component_write(component, DA7218_IN_1R_FILTER_CTRL, in_1r_filt_ctrl);
413 	snd_soc_component_write(component, DA7218_IN_2L_FILTER_CTRL, in_2l_filt_ctrl);
414 	snd_soc_component_write(component, DA7218_IN_2R_FILTER_CTRL, in_2r_filt_ctrl);
415 
416 	/* Restore input mixer control registers to original state */
417 	snd_soc_component_write(component, DA7218_MIXIN_1_CTRL, mixin_1_ctrl);
418 	snd_soc_component_write(component, DA7218_MIXIN_2_CTRL, mixin_2_ctrl);
419 
420 	/* Restore MIC control registers to original states */
421 	snd_soc_component_write(component, DA7218_MIC_1_CTRL, mic_1_ctrl);
422 	snd_soc_component_write(component, DA7218_MIC_2_CTRL, mic_2_ctrl);
423 }
424 
da7218_mixin_gain_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)425 static int da7218_mixin_gain_put(struct snd_kcontrol *kcontrol,
426 				 struct snd_ctl_elem_value *ucontrol)
427 {
428 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
429 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
430 	int ret;
431 
432 	ret = snd_soc_put_volsw(kcontrol, ucontrol);
433 
434 	/*
435 	 * If ALC in operation and value of control has been updated,
436 	 * make sure calibrated offsets are updated.
437 	 */
438 	if ((ret == 1) && (da7218->alc_en))
439 		da7218_alc_calib(component);
440 
441 	return ret;
442 }
443 
da7218_alc_sw_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)444 static int da7218_alc_sw_put(struct snd_kcontrol *kcontrol,
445 			     struct snd_ctl_elem_value *ucontrol)
446 {
447 	struct soc_mixer_control *mc =
448 		(struct soc_mixer_control *) kcontrol->private_value;
449 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
450 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
451 	unsigned int lvalue = ucontrol->value.integer.value[0];
452 	unsigned int rvalue = ucontrol->value.integer.value[1];
453 	unsigned int lshift = mc->shift;
454 	unsigned int rshift = mc->rshift;
455 	unsigned int mask = (mc->max << lshift) | (mc->max << rshift);
456 
457 	/* Force ALC offset calibration if enabling ALC */
458 	if ((lvalue || rvalue) && (!da7218->alc_en))
459 		da7218_alc_calib(component);
460 
461 	/* Update bits to detail which channels are enabled/disabled */
462 	da7218->alc_en &= ~mask;
463 	da7218->alc_en |= (lvalue << lshift) | (rvalue << rshift);
464 
465 	return snd_soc_put_volsw(kcontrol, ucontrol);
466 }
467 
468 /* ToneGen */
da7218_tonegen_freq_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)469 static int da7218_tonegen_freq_get(struct snd_kcontrol *kcontrol,
470 				   struct snd_ctl_elem_value *ucontrol)
471 {
472 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
473 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
474 	struct soc_mixer_control *mixer_ctrl =
475 		(struct soc_mixer_control *) kcontrol->private_value;
476 	unsigned int reg = mixer_ctrl->reg;
477 	u16 val;
478 	int ret;
479 
480 	/*
481 	 * Frequency value spans two 8-bit registers, lower then upper byte.
482 	 * Therefore we need to convert to host endianness here.
483 	 */
484 	ret = regmap_raw_read(da7218->regmap, reg, &val, 2);
485 	if (ret)
486 		return ret;
487 
488 	ucontrol->value.integer.value[0] = le16_to_cpu(val);
489 
490 	return 0;
491 }
492 
da7218_tonegen_freq_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)493 static int da7218_tonegen_freq_put(struct snd_kcontrol *kcontrol,
494 				   struct snd_ctl_elem_value *ucontrol)
495 {
496 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
497 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
498 	struct soc_mixer_control *mixer_ctrl =
499 		(struct soc_mixer_control *) kcontrol->private_value;
500 	unsigned int reg = mixer_ctrl->reg;
501 	u16 val;
502 
503 	/*
504 	 * Frequency value spans two 8-bit registers, lower then upper byte.
505 	 * Therefore we need to convert to little endian here to align with
506 	 * HW registers.
507 	 */
508 	val = cpu_to_le16(ucontrol->value.integer.value[0]);
509 
510 	return regmap_raw_write(da7218->regmap, reg, &val, 2);
511 }
512 
da7218_mic_lvl_det_sw_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)513 static int da7218_mic_lvl_det_sw_put(struct snd_kcontrol *kcontrol,
514 				     struct snd_ctl_elem_value *ucontrol)
515 {
516 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
517 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
518 	struct soc_mixer_control *mixer_ctrl =
519 		(struct soc_mixer_control *) kcontrol->private_value;
520 	unsigned int lvalue = ucontrol->value.integer.value[0];
521 	unsigned int rvalue = ucontrol->value.integer.value[1];
522 	unsigned int lshift = mixer_ctrl->shift;
523 	unsigned int rshift = mixer_ctrl->rshift;
524 	unsigned int mask = (mixer_ctrl->max << lshift) |
525 			    (mixer_ctrl->max << rshift);
526 	da7218->mic_lvl_det_en &= ~mask;
527 	da7218->mic_lvl_det_en |= (lvalue << lshift) | (rvalue << rshift);
528 
529 	/*
530 	 * Here we only enable the feature on paths which are already
531 	 * powered. If a channel is enabled here for level detect, but that path
532 	 * isn't powered, then the channel will actually be enabled when we do
533 	 * power the path (IN_FILTER widget events). This handling avoids
534 	 * unwanted level detect events.
535 	 */
536 	return snd_soc_component_write(component, mixer_ctrl->reg,
537 			     (da7218->in_filt_en & da7218->mic_lvl_det_en));
538 }
539 
da7218_mic_lvl_det_sw_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)540 static int da7218_mic_lvl_det_sw_get(struct snd_kcontrol *kcontrol,
541 				     struct snd_ctl_elem_value *ucontrol)
542 {
543 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
544 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
545 	struct soc_mixer_control *mixer_ctrl =
546 		(struct soc_mixer_control *) kcontrol->private_value;
547 	unsigned int lshift = mixer_ctrl->shift;
548 	unsigned int rshift = mixer_ctrl->rshift;
549 	unsigned int lmask = (mixer_ctrl->max << lshift);
550 	unsigned int rmask = (mixer_ctrl->max << rshift);
551 
552 	ucontrol->value.integer.value[0] =
553 		(da7218->mic_lvl_det_en & lmask) >> lshift;
554 	ucontrol->value.integer.value[1] =
555 		(da7218->mic_lvl_det_en & rmask) >> rshift;
556 
557 	return 0;
558 }
559 
da7218_biquad_coeff_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)560 static int da7218_biquad_coeff_get(struct snd_kcontrol *kcontrol,
561 				   struct snd_ctl_elem_value *ucontrol)
562 {
563 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
564 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
565 	struct soc_bytes_ext *bytes_ext =
566 		(struct soc_bytes_ext *) kcontrol->private_value;
567 
568 	/* Determine which BiQuads we're setting based on size of config data */
569 	switch (bytes_ext->max) {
570 	case DA7218_OUT_1_BIQ_5STAGE_CFG_SIZE:
571 		memcpy(ucontrol->value.bytes.data, da7218->biq_5stage_coeff,
572 		       bytes_ext->max);
573 		break;
574 	case DA7218_SIDETONE_BIQ_3STAGE_CFG_SIZE:
575 		memcpy(ucontrol->value.bytes.data, da7218->stbiq_3stage_coeff,
576 		       bytes_ext->max);
577 		break;
578 	default:
579 		return -EINVAL;
580 	}
581 
582 	return 0;
583 }
584 
da7218_biquad_coeff_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)585 static int da7218_biquad_coeff_put(struct snd_kcontrol *kcontrol,
586 				   struct snd_ctl_elem_value *ucontrol)
587 {
588 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
589 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
590 	struct soc_bytes_ext *bytes_ext =
591 		(struct soc_bytes_ext *) kcontrol->private_value;
592 	u8 reg, out_filt1l;
593 	u8 cfg[DA7218_BIQ_CFG_SIZE];
594 	int i;
595 
596 	/*
597 	 * Determine which BiQuads we're setting based on size of config data,
598 	 * and stored the data for use by get function.
599 	 */
600 	switch (bytes_ext->max) {
601 	case DA7218_OUT_1_BIQ_5STAGE_CFG_SIZE:
602 		reg = DA7218_OUT_1_BIQ_5STAGE_DATA;
603 		memcpy(da7218->biq_5stage_coeff, ucontrol->value.bytes.data,
604 		       bytes_ext->max);
605 		break;
606 	case DA7218_SIDETONE_BIQ_3STAGE_CFG_SIZE:
607 		reg = DA7218_SIDETONE_BIQ_3STAGE_DATA;
608 		memcpy(da7218->stbiq_3stage_coeff, ucontrol->value.bytes.data,
609 		       bytes_ext->max);
610 		break;
611 	default:
612 		return -EINVAL;
613 	}
614 
615 	/* Make sure at least out filter1 enabled to allow programming */
616 	out_filt1l = snd_soc_component_read(component, DA7218_OUT_1L_FILTER_CTRL);
617 	snd_soc_component_write(component, DA7218_OUT_1L_FILTER_CTRL,
618 		      out_filt1l | DA7218_OUT_1L_FILTER_EN_MASK);
619 
620 	for (i = 0; i < bytes_ext->max; ++i) {
621 		cfg[DA7218_BIQ_CFG_DATA] = ucontrol->value.bytes.data[i];
622 		cfg[DA7218_BIQ_CFG_ADDR] = i;
623 		regmap_raw_write(da7218->regmap, reg, cfg, DA7218_BIQ_CFG_SIZE);
624 	}
625 
626 	/* Restore filter to previous setting */
627 	snd_soc_component_write(component, DA7218_OUT_1L_FILTER_CTRL, out_filt1l);
628 
629 	return 0;
630 }
631 
632 
633 /*
634  * KControls
635  */
636 
637 static const struct snd_kcontrol_new da7218_snd_controls[] = {
638 	/* Mics */
639 	SOC_SINGLE_TLV("Mic1 Volume", DA7218_MIC_1_GAIN,
640 		       DA7218_MIC_1_AMP_GAIN_SHIFT, DA7218_MIC_AMP_GAIN_MAX,
641 		       DA7218_NO_INVERT, da7218_mic_gain_tlv),
642 	SOC_SINGLE("Mic1 Switch", DA7218_MIC_1_CTRL,
643 		   DA7218_MIC_1_AMP_MUTE_EN_SHIFT, DA7218_SWITCH_EN_MAX,
644 		   DA7218_INVERT),
645 	SOC_SINGLE_TLV("Mic2 Volume", DA7218_MIC_2_GAIN,
646 		       DA7218_MIC_2_AMP_GAIN_SHIFT, DA7218_MIC_AMP_GAIN_MAX,
647 		       DA7218_NO_INVERT, da7218_mic_gain_tlv),
648 	SOC_SINGLE("Mic2 Switch", DA7218_MIC_2_CTRL,
649 		   DA7218_MIC_2_AMP_MUTE_EN_SHIFT, DA7218_SWITCH_EN_MAX,
650 		   DA7218_INVERT),
651 
652 	/* Mixer Input */
653 	SOC_SINGLE_EXT_TLV("Mixin1 Volume", DA7218_MIXIN_1_GAIN,
654 			   DA7218_MIXIN_1_AMP_GAIN_SHIFT,
655 			   DA7218_MIXIN_AMP_GAIN_MAX, DA7218_NO_INVERT,
656 			   snd_soc_get_volsw, da7218_mixin_gain_put,
657 			   da7218_mixin_gain_tlv),
658 	SOC_SINGLE("Mixin1 Switch", DA7218_MIXIN_1_CTRL,
659 		   DA7218_MIXIN_1_AMP_MUTE_EN_SHIFT, DA7218_SWITCH_EN_MAX,
660 		   DA7218_INVERT),
661 	SOC_SINGLE("Mixin1 Gain Ramp Switch", DA7218_MIXIN_1_CTRL,
662 		   DA7218_MIXIN_1_AMP_RAMP_EN_SHIFT, DA7218_SWITCH_EN_MAX,
663 		   DA7218_NO_INVERT),
664 	SOC_SINGLE("Mixin1 ZC Gain Switch", DA7218_MIXIN_1_CTRL,
665 		   DA7218_MIXIN_1_AMP_ZC_EN_SHIFT, DA7218_SWITCH_EN_MAX,
666 		   DA7218_NO_INVERT),
667 	SOC_SINGLE_EXT_TLV("Mixin2 Volume", DA7218_MIXIN_2_GAIN,
668 			   DA7218_MIXIN_2_AMP_GAIN_SHIFT,
669 			   DA7218_MIXIN_AMP_GAIN_MAX, DA7218_NO_INVERT,
670 			   snd_soc_get_volsw, da7218_mixin_gain_put,
671 			   da7218_mixin_gain_tlv),
672 	SOC_SINGLE("Mixin2 Switch", DA7218_MIXIN_2_CTRL,
673 		   DA7218_MIXIN_2_AMP_MUTE_EN_SHIFT, DA7218_SWITCH_EN_MAX,
674 		   DA7218_INVERT),
675 	SOC_SINGLE("Mixin2 Gain Ramp Switch", DA7218_MIXIN_2_CTRL,
676 		   DA7218_MIXIN_2_AMP_RAMP_EN_SHIFT, DA7218_SWITCH_EN_MAX,
677 		   DA7218_NO_INVERT),
678 	SOC_SINGLE("Mixin2 ZC Gain Switch", DA7218_MIXIN_2_CTRL,
679 		   DA7218_MIXIN_2_AMP_ZC_EN_SHIFT, DA7218_SWITCH_EN_MAX,
680 		   DA7218_NO_INVERT),
681 
682 	/* ADCs */
683 	SOC_SINGLE("ADC1 AAF Switch", DA7218_ADC_1_CTRL,
684 		   DA7218_ADC_1_AAF_EN_SHIFT, DA7218_SWITCH_EN_MAX,
685 		   DA7218_NO_INVERT),
686 	SOC_SINGLE("ADC2 AAF Switch", DA7218_ADC_2_CTRL,
687 		   DA7218_ADC_2_AAF_EN_SHIFT, DA7218_SWITCH_EN_MAX,
688 		   DA7218_NO_INVERT),
689 	SOC_SINGLE("ADC LP Mode Switch", DA7218_ADC_MODE,
690 		   DA7218_ADC_LP_MODE_SHIFT, DA7218_SWITCH_EN_MAX,
691 		   DA7218_NO_INVERT),
692 
693 	/* Input Filters */
694 	SOC_SINGLE_TLV("In Filter1L Volume", DA7218_IN_1L_GAIN,
695 		       DA7218_IN_1L_DIGITAL_GAIN_SHIFT,
696 		       DA7218_IN_DIGITAL_GAIN_MAX, DA7218_NO_INVERT,
697 		       da7218_in_dig_gain_tlv),
698 	SOC_SINGLE("In Filter1L Switch", DA7218_IN_1L_FILTER_CTRL,
699 		   DA7218_IN_1L_MUTE_EN_SHIFT, DA7218_SWITCH_EN_MAX,
700 		   DA7218_INVERT),
701 	SOC_SINGLE("In Filter1L Gain Ramp Switch", DA7218_IN_1L_FILTER_CTRL,
702 		   DA7218_IN_1L_RAMP_EN_SHIFT, DA7218_SWITCH_EN_MAX,
703 		   DA7218_NO_INVERT),
704 	SOC_SINGLE_TLV("In Filter1R Volume", DA7218_IN_1R_GAIN,
705 		       DA7218_IN_1R_DIGITAL_GAIN_SHIFT,
706 		       DA7218_IN_DIGITAL_GAIN_MAX, DA7218_NO_INVERT,
707 		       da7218_in_dig_gain_tlv),
708 	SOC_SINGLE("In Filter1R Switch", DA7218_IN_1R_FILTER_CTRL,
709 		   DA7218_IN_1R_MUTE_EN_SHIFT, DA7218_SWITCH_EN_MAX,
710 		   DA7218_INVERT),
711 	SOC_SINGLE("In Filter1R Gain Ramp Switch",
712 		   DA7218_IN_1R_FILTER_CTRL, DA7218_IN_1R_RAMP_EN_SHIFT,
713 		   DA7218_SWITCH_EN_MAX, DA7218_NO_INVERT),
714 	SOC_SINGLE_TLV("In Filter2L Volume", DA7218_IN_2L_GAIN,
715 		       DA7218_IN_2L_DIGITAL_GAIN_SHIFT,
716 		       DA7218_IN_DIGITAL_GAIN_MAX, DA7218_NO_INVERT,
717 		       da7218_in_dig_gain_tlv),
718 	SOC_SINGLE("In Filter2L Switch", DA7218_IN_2L_FILTER_CTRL,
719 		   DA7218_IN_2L_MUTE_EN_SHIFT, DA7218_SWITCH_EN_MAX,
720 		   DA7218_INVERT),
721 	SOC_SINGLE("In Filter2L Gain Ramp Switch", DA7218_IN_2L_FILTER_CTRL,
722 		   DA7218_IN_2L_RAMP_EN_SHIFT, DA7218_SWITCH_EN_MAX,
723 		   DA7218_NO_INVERT),
724 	SOC_SINGLE_TLV("In Filter2R Volume", DA7218_IN_2R_GAIN,
725 		       DA7218_IN_2R_DIGITAL_GAIN_SHIFT,
726 		       DA7218_IN_DIGITAL_GAIN_MAX, DA7218_NO_INVERT,
727 		       da7218_in_dig_gain_tlv),
728 	SOC_SINGLE("In Filter2R Switch", DA7218_IN_2R_FILTER_CTRL,
729 		   DA7218_IN_2R_MUTE_EN_SHIFT, DA7218_SWITCH_EN_MAX,
730 		   DA7218_INVERT),
731 	SOC_SINGLE("In Filter2R Gain Ramp Switch",
732 		   DA7218_IN_2R_FILTER_CTRL, DA7218_IN_2R_RAMP_EN_SHIFT,
733 		   DA7218_SWITCH_EN_MAX, DA7218_NO_INVERT),
734 
735 	/* AGS */
736 	SOC_SINGLE_TLV("AGS Trigger", DA7218_AGS_TRIGGER,
737 		       DA7218_AGS_TRIGGER_SHIFT, DA7218_AGS_TRIGGER_MAX,
738 		       DA7218_INVERT, da7218_ags_trigger_tlv),
739 	SOC_SINGLE_TLV("AGS Max Attenuation", DA7218_AGS_ATT_MAX,
740 		       DA7218_AGS_ATT_MAX_SHIFT, DA7218_AGS_ATT_MAX_MAX,
741 		       DA7218_NO_INVERT, da7218_ags_att_max_tlv),
742 	SOC_SINGLE("AGS Anticlip Switch", DA7218_AGS_ANTICLIP_CTRL,
743 		   DA7218_AGS_ANTICLIP_EN_SHIFT, DA7218_SWITCH_EN_MAX,
744 		   DA7218_NO_INVERT),
745 	SOC_SINGLE("AGS Channel1 Switch", DA7218_AGS_ENABLE,
746 		   DA7218_AGS_ENABLE_CHAN1_SHIFT, DA7218_SWITCH_EN_MAX,
747 		   DA7218_NO_INVERT),
748 	SOC_SINGLE("AGS Channel2 Switch", DA7218_AGS_ENABLE,
749 		   DA7218_AGS_ENABLE_CHAN2_SHIFT, DA7218_SWITCH_EN_MAX,
750 		   DA7218_NO_INVERT),
751 
752 	/* ALC */
753 	SOC_ENUM("ALC Attack Rate", da7218_alc_attack_rate),
754 	SOC_ENUM("ALC Release Rate", da7218_alc_release_rate),
755 	SOC_ENUM("ALC Hold Time", da7218_alc_hold_time),
756 	SOC_SINGLE_TLV("ALC Noise Threshold", DA7218_ALC_NOISE,
757 		       DA7218_ALC_NOISE_SHIFT, DA7218_ALC_THRESHOLD_MAX,
758 		       DA7218_INVERT, da7218_alc_threshold_tlv),
759 	SOC_SINGLE_TLV("ALC Min Threshold", DA7218_ALC_TARGET_MIN,
760 		       DA7218_ALC_THRESHOLD_MIN_SHIFT, DA7218_ALC_THRESHOLD_MAX,
761 		       DA7218_INVERT, da7218_alc_threshold_tlv),
762 	SOC_SINGLE_TLV("ALC Max Threshold", DA7218_ALC_TARGET_MAX,
763 		       DA7218_ALC_THRESHOLD_MAX_SHIFT, DA7218_ALC_THRESHOLD_MAX,
764 		       DA7218_INVERT, da7218_alc_threshold_tlv),
765 	SOC_SINGLE_TLV("ALC Max Attenuation", DA7218_ALC_GAIN_LIMITS,
766 		       DA7218_ALC_ATTEN_MAX_SHIFT, DA7218_ALC_ATTEN_GAIN_MAX,
767 		       DA7218_NO_INVERT, da7218_alc_gain_tlv),
768 	SOC_SINGLE_TLV("ALC Max Gain", DA7218_ALC_GAIN_LIMITS,
769 		       DA7218_ALC_GAIN_MAX_SHIFT, DA7218_ALC_ATTEN_GAIN_MAX,
770 		       DA7218_NO_INVERT, da7218_alc_gain_tlv),
771 	SOC_SINGLE_RANGE_TLV("ALC Min Analog Gain", DA7218_ALC_ANA_GAIN_LIMITS,
772 			     DA7218_ALC_ANA_GAIN_MIN_SHIFT,
773 			     DA7218_ALC_ANA_GAIN_MIN, DA7218_ALC_ANA_GAIN_MAX,
774 			     DA7218_NO_INVERT, da7218_alc_ana_gain_tlv),
775 	SOC_SINGLE_RANGE_TLV("ALC Max Analog Gain", DA7218_ALC_ANA_GAIN_LIMITS,
776 			     DA7218_ALC_ANA_GAIN_MAX_SHIFT,
777 			     DA7218_ALC_ANA_GAIN_MIN, DA7218_ALC_ANA_GAIN_MAX,
778 			     DA7218_NO_INVERT, da7218_alc_ana_gain_tlv),
779 	SOC_ENUM("ALC Anticlip Step", da7218_alc_anticlip_step),
780 	SOC_SINGLE("ALC Anticlip Switch", DA7218_ALC_ANTICLIP_CTRL,
781 		   DA7218_ALC_ANTICLIP_EN_SHIFT, DA7218_SWITCH_EN_MAX,
782 		   DA7218_NO_INVERT),
783 	SOC_DOUBLE_EXT("ALC Channel1 Switch", DA7218_ALC_CTRL1,
784 		       DA7218_ALC_CHAN1_L_EN_SHIFT, DA7218_ALC_CHAN1_R_EN_SHIFT,
785 		       DA7218_SWITCH_EN_MAX, DA7218_NO_INVERT,
786 		       snd_soc_get_volsw, da7218_alc_sw_put),
787 	SOC_DOUBLE_EXT("ALC Channel2 Switch", DA7218_ALC_CTRL1,
788 		       DA7218_ALC_CHAN2_L_EN_SHIFT, DA7218_ALC_CHAN2_R_EN_SHIFT,
789 		       DA7218_SWITCH_EN_MAX, DA7218_NO_INVERT,
790 		       snd_soc_get_volsw, da7218_alc_sw_put),
791 
792 	/* Envelope Tracking */
793 	SOC_ENUM("Envelope Tracking Attack Rate", da7218_integ_attack_rate),
794 	SOC_ENUM("Envelope Tracking Release Rate", da7218_integ_release_rate),
795 
796 	/* Input High-Pass Filters */
797 	SOC_ENUM("In Filter1 HPF Mode", da7218_in1_hpf_mode),
798 	SOC_ENUM("In Filter1 HPF Corner Audio", da7218_in1_audio_hpf_corner),
799 	SOC_ENUM("In Filter1 HPF Corner Voice", da7218_in1_voice_hpf_corner),
800 	SOC_ENUM("In Filter2 HPF Mode", da7218_in2_hpf_mode),
801 	SOC_ENUM("In Filter2 HPF Corner Audio", da7218_in2_audio_hpf_corner),
802 	SOC_ENUM("In Filter2 HPF Corner Voice", da7218_in2_voice_hpf_corner),
803 
804 	/* Mic Level Detect */
805 	SOC_DOUBLE_EXT("Mic Level Detect Channel1 Switch", DA7218_LVL_DET_CTRL,
806 		       DA7218_LVL_DET_EN_CHAN1L_SHIFT,
807 		       DA7218_LVL_DET_EN_CHAN1R_SHIFT, DA7218_SWITCH_EN_MAX,
808 		       DA7218_NO_INVERT, da7218_mic_lvl_det_sw_get,
809 		       da7218_mic_lvl_det_sw_put),
810 	SOC_DOUBLE_EXT("Mic Level Detect Channel2 Switch", DA7218_LVL_DET_CTRL,
811 		       DA7218_LVL_DET_EN_CHAN2L_SHIFT,
812 		       DA7218_LVL_DET_EN_CHAN2R_SHIFT, DA7218_SWITCH_EN_MAX,
813 		       DA7218_NO_INVERT, da7218_mic_lvl_det_sw_get,
814 		       da7218_mic_lvl_det_sw_put),
815 	SOC_SINGLE("Mic Level Detect Level", DA7218_LVL_DET_LEVEL,
816 		   DA7218_LVL_DET_LEVEL_SHIFT, DA7218_LVL_DET_LEVEL_MAX,
817 		   DA7218_NO_INVERT),
818 
819 	/* Digital Mixer (Input) */
820 	SOC_SINGLE_TLV("DMix In Filter1L Out1 DAIL Volume",
821 		       DA7218_DMIX_OUTDAI_1L_INFILT_1L_GAIN,
822 		       DA7218_OUTDAI_1L_INFILT_1L_GAIN_SHIFT,
823 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
824 		       da7218_dmix_gain_tlv),
825 	SOC_SINGLE_TLV("DMix In Filter1L Out1 DAIR Volume",
826 		       DA7218_DMIX_OUTDAI_1R_INFILT_1L_GAIN,
827 		       DA7218_OUTDAI_1R_INFILT_1L_GAIN_SHIFT,
828 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
829 		       da7218_dmix_gain_tlv),
830 	SOC_SINGLE_TLV("DMix In Filter1L Out2 DAIL Volume",
831 		       DA7218_DMIX_OUTDAI_2L_INFILT_1L_GAIN,
832 		       DA7218_OUTDAI_2L_INFILT_1L_GAIN_SHIFT,
833 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
834 		       da7218_dmix_gain_tlv),
835 	SOC_SINGLE_TLV("DMix In Filter1L Out2 DAIR Volume",
836 		       DA7218_DMIX_OUTDAI_2R_INFILT_1L_GAIN,
837 		       DA7218_OUTDAI_2R_INFILT_1L_GAIN_SHIFT,
838 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
839 		       da7218_dmix_gain_tlv),
840 
841 	SOC_SINGLE_TLV("DMix In Filter1R Out1 DAIL Volume",
842 		       DA7218_DMIX_OUTDAI_1L_INFILT_1R_GAIN,
843 		       DA7218_OUTDAI_1L_INFILT_1R_GAIN_SHIFT,
844 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
845 		       da7218_dmix_gain_tlv),
846 	SOC_SINGLE_TLV("DMix In Filter1R Out1 DAIR Volume",
847 		       DA7218_DMIX_OUTDAI_1R_INFILT_1R_GAIN,
848 		       DA7218_OUTDAI_1R_INFILT_1R_GAIN_SHIFT,
849 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
850 		       da7218_dmix_gain_tlv),
851 	SOC_SINGLE_TLV("DMix In Filter1R Out2 DAIL Volume",
852 		       DA7218_DMIX_OUTDAI_2L_INFILT_1R_GAIN,
853 		       DA7218_OUTDAI_2L_INFILT_1R_GAIN_SHIFT,
854 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
855 		       da7218_dmix_gain_tlv),
856 	SOC_SINGLE_TLV("DMix In Filter1R Out2 DAIR Volume",
857 		       DA7218_DMIX_OUTDAI_2R_INFILT_1R_GAIN,
858 		       DA7218_OUTDAI_2R_INFILT_1R_GAIN_SHIFT,
859 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
860 		       da7218_dmix_gain_tlv),
861 
862 	SOC_SINGLE_TLV("DMix In Filter2L Out1 DAIL Volume",
863 		       DA7218_DMIX_OUTDAI_1L_INFILT_2L_GAIN,
864 		       DA7218_OUTDAI_1L_INFILT_2L_GAIN_SHIFT,
865 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
866 		       da7218_dmix_gain_tlv),
867 	SOC_SINGLE_TLV("DMix In Filter2L Out1 DAIR Volume",
868 		       DA7218_DMIX_OUTDAI_1R_INFILT_2L_GAIN,
869 		       DA7218_OUTDAI_1R_INFILT_2L_GAIN_SHIFT,
870 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
871 		       da7218_dmix_gain_tlv),
872 	SOC_SINGLE_TLV("DMix In Filter2L Out2 DAIL Volume",
873 		       DA7218_DMIX_OUTDAI_2L_INFILT_2L_GAIN,
874 		       DA7218_OUTDAI_2L_INFILT_2L_GAIN_SHIFT,
875 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
876 		       da7218_dmix_gain_tlv),
877 	SOC_SINGLE_TLV("DMix In Filter2L Out2 DAIR Volume",
878 		       DA7218_DMIX_OUTDAI_2R_INFILT_2L_GAIN,
879 		       DA7218_OUTDAI_2R_INFILT_2L_GAIN_SHIFT,
880 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
881 		       da7218_dmix_gain_tlv),
882 
883 	SOC_SINGLE_TLV("DMix In Filter2R Out1 DAIL Volume",
884 		       DA7218_DMIX_OUTDAI_1L_INFILT_2R_GAIN,
885 		       DA7218_OUTDAI_1L_INFILT_2R_GAIN_SHIFT,
886 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
887 		       da7218_dmix_gain_tlv),
888 	SOC_SINGLE_TLV("DMix In Filter2R Out1 DAIR Volume",
889 		       DA7218_DMIX_OUTDAI_1R_INFILT_2R_GAIN,
890 		       DA7218_OUTDAI_1R_INFILT_2R_GAIN_SHIFT,
891 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
892 		       da7218_dmix_gain_tlv),
893 	SOC_SINGLE_TLV("DMix In Filter2R Out2 DAIL Volume",
894 		       DA7218_DMIX_OUTDAI_2L_INFILT_2R_GAIN,
895 		       DA7218_OUTDAI_2L_INFILT_2R_GAIN_SHIFT,
896 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
897 		       da7218_dmix_gain_tlv),
898 	SOC_SINGLE_TLV("DMix In Filter2R Out2 DAIR Volume",
899 		       DA7218_DMIX_OUTDAI_2R_INFILT_2R_GAIN,
900 		       DA7218_OUTDAI_2R_INFILT_2R_GAIN_SHIFT,
901 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
902 		       da7218_dmix_gain_tlv),
903 
904 	SOC_SINGLE_TLV("DMix ToneGen Out1 DAIL Volume",
905 		       DA7218_DMIX_OUTDAI_1L_TONEGEN_GAIN,
906 		       DA7218_OUTDAI_1L_TONEGEN_GAIN_SHIFT,
907 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
908 		       da7218_dmix_gain_tlv),
909 	SOC_SINGLE_TLV("DMix ToneGen Out1 DAIR Volume",
910 		       DA7218_DMIX_OUTDAI_1R_TONEGEN_GAIN,
911 		       DA7218_OUTDAI_1R_TONEGEN_GAIN_SHIFT,
912 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
913 		       da7218_dmix_gain_tlv),
914 	SOC_SINGLE_TLV("DMix ToneGen Out2 DAIL Volume",
915 		       DA7218_DMIX_OUTDAI_2L_TONEGEN_GAIN,
916 		       DA7218_OUTDAI_2L_TONEGEN_GAIN_SHIFT,
917 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
918 		       da7218_dmix_gain_tlv),
919 	SOC_SINGLE_TLV("DMix ToneGen Out2 DAIR Volume",
920 		       DA7218_DMIX_OUTDAI_2R_TONEGEN_GAIN,
921 		       DA7218_OUTDAI_2R_TONEGEN_GAIN_SHIFT,
922 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
923 		       da7218_dmix_gain_tlv),
924 
925 	SOC_SINGLE_TLV("DMix In DAIL Out1 DAIL Volume",
926 		       DA7218_DMIX_OUTDAI_1L_INDAI_1L_GAIN,
927 		       DA7218_OUTDAI_1L_INDAI_1L_GAIN_SHIFT,
928 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
929 		       da7218_dmix_gain_tlv),
930 	SOC_SINGLE_TLV("DMix In DAIL Out1 DAIR Volume",
931 		       DA7218_DMIX_OUTDAI_1R_INDAI_1L_GAIN,
932 		       DA7218_OUTDAI_1R_INDAI_1L_GAIN_SHIFT,
933 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
934 		       da7218_dmix_gain_tlv),
935 	SOC_SINGLE_TLV("DMix In DAIL Out2 DAIL Volume",
936 		       DA7218_DMIX_OUTDAI_2L_INDAI_1L_GAIN,
937 		       DA7218_OUTDAI_2L_INDAI_1L_GAIN_SHIFT,
938 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
939 		       da7218_dmix_gain_tlv),
940 	SOC_SINGLE_TLV("DMix In DAIL Out2 DAIR Volume",
941 		       DA7218_DMIX_OUTDAI_2R_INDAI_1L_GAIN,
942 		       DA7218_OUTDAI_2R_INDAI_1L_GAIN_SHIFT,
943 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
944 		       da7218_dmix_gain_tlv),
945 
946 	SOC_SINGLE_TLV("DMix In DAIR Out1 DAIL Volume",
947 		       DA7218_DMIX_OUTDAI_1L_INDAI_1R_GAIN,
948 		       DA7218_OUTDAI_1L_INDAI_1R_GAIN_SHIFT,
949 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
950 		       da7218_dmix_gain_tlv),
951 	SOC_SINGLE_TLV("DMix In DAIR Out1 DAIR Volume",
952 		       DA7218_DMIX_OUTDAI_1R_INDAI_1R_GAIN,
953 		       DA7218_OUTDAI_1R_INDAI_1R_GAIN_SHIFT,
954 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
955 		       da7218_dmix_gain_tlv),
956 	SOC_SINGLE_TLV("DMix In DAIR Out2 DAIL Volume",
957 		       DA7218_DMIX_OUTDAI_2L_INDAI_1R_GAIN,
958 		       DA7218_OUTDAI_2L_INDAI_1R_GAIN_SHIFT,
959 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
960 		       da7218_dmix_gain_tlv),
961 	SOC_SINGLE_TLV("DMix In DAIR Out2 DAIR Volume",
962 		       DA7218_DMIX_OUTDAI_2R_INDAI_1R_GAIN,
963 		       DA7218_OUTDAI_2R_INDAI_1R_GAIN_SHIFT,
964 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
965 		       da7218_dmix_gain_tlv),
966 
967 	/* Digital Mixer (Output) */
968 	SOC_SINGLE_TLV("DMix In Filter1L Out FilterL Volume",
969 		       DA7218_DMIX_OUTFILT_1L_INFILT_1L_GAIN,
970 		       DA7218_OUTFILT_1L_INFILT_1L_GAIN_SHIFT,
971 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
972 		       da7218_dmix_gain_tlv),
973 	SOC_SINGLE_TLV("DMix In Filter1L Out FilterR Volume",
974 		       DA7218_DMIX_OUTFILT_1R_INFILT_1L_GAIN,
975 		       DA7218_OUTFILT_1R_INFILT_1L_GAIN_SHIFT,
976 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
977 		       da7218_dmix_gain_tlv),
978 
979 	SOC_SINGLE_TLV("DMix In Filter1R Out FilterL Volume",
980 		       DA7218_DMIX_OUTFILT_1L_INFILT_1R_GAIN,
981 		       DA7218_OUTFILT_1L_INFILT_1R_GAIN_SHIFT,
982 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
983 		       da7218_dmix_gain_tlv),
984 	SOC_SINGLE_TLV("DMix In Filter1R Out FilterR Volume",
985 		       DA7218_DMIX_OUTFILT_1R_INFILT_1R_GAIN,
986 		       DA7218_OUTFILT_1R_INFILT_1R_GAIN_SHIFT,
987 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
988 		       da7218_dmix_gain_tlv),
989 
990 	SOC_SINGLE_TLV("DMix In Filter2L Out FilterL Volume",
991 		       DA7218_DMIX_OUTFILT_1L_INFILT_2L_GAIN,
992 		       DA7218_OUTFILT_1L_INFILT_2L_GAIN_SHIFT,
993 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
994 		       da7218_dmix_gain_tlv),
995 	SOC_SINGLE_TLV("DMix In Filter2L Out FilterR Volume",
996 		       DA7218_DMIX_OUTFILT_1R_INFILT_2L_GAIN,
997 		       DA7218_OUTFILT_1R_INFILT_2L_GAIN_SHIFT,
998 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
999 		       da7218_dmix_gain_tlv),
1000 
1001 	SOC_SINGLE_TLV("DMix In Filter2R Out FilterL Volume",
1002 		       DA7218_DMIX_OUTFILT_1L_INFILT_2R_GAIN,
1003 		       DA7218_OUTFILT_1L_INFILT_2R_GAIN_SHIFT,
1004 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
1005 		       da7218_dmix_gain_tlv),
1006 	SOC_SINGLE_TLV("DMix In Filter2R Out FilterR Volume",
1007 		       DA7218_DMIX_OUTFILT_1R_INFILT_2R_GAIN,
1008 		       DA7218_OUTFILT_1R_INFILT_2R_GAIN_SHIFT,
1009 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
1010 		       da7218_dmix_gain_tlv),
1011 
1012 	SOC_SINGLE_TLV("DMix ToneGen Out FilterL Volume",
1013 		       DA7218_DMIX_OUTFILT_1L_TONEGEN_GAIN,
1014 		       DA7218_OUTFILT_1L_TONEGEN_GAIN_SHIFT,
1015 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
1016 		       da7218_dmix_gain_tlv),
1017 	SOC_SINGLE_TLV("DMix ToneGen Out FilterR Volume",
1018 		       DA7218_DMIX_OUTFILT_1R_TONEGEN_GAIN,
1019 		       DA7218_OUTFILT_1R_TONEGEN_GAIN_SHIFT,
1020 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
1021 		       da7218_dmix_gain_tlv),
1022 
1023 	SOC_SINGLE_TLV("DMix In DAIL Out FilterL Volume",
1024 		       DA7218_DMIX_OUTFILT_1L_INDAI_1L_GAIN,
1025 		       DA7218_OUTFILT_1L_INDAI_1L_GAIN_SHIFT,
1026 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
1027 		       da7218_dmix_gain_tlv),
1028 	SOC_SINGLE_TLV("DMix In DAIL Out FilterR Volume",
1029 		       DA7218_DMIX_OUTFILT_1R_INDAI_1L_GAIN,
1030 		       DA7218_OUTFILT_1R_INDAI_1L_GAIN_SHIFT,
1031 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
1032 		       da7218_dmix_gain_tlv),
1033 
1034 	SOC_SINGLE_TLV("DMix In DAIR Out FilterL Volume",
1035 		       DA7218_DMIX_OUTFILT_1L_INDAI_1R_GAIN,
1036 		       DA7218_OUTFILT_1L_INDAI_1R_GAIN_SHIFT,
1037 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
1038 		       da7218_dmix_gain_tlv),
1039 	SOC_SINGLE_TLV("DMix In DAIR Out FilterR Volume",
1040 		       DA7218_DMIX_OUTFILT_1R_INDAI_1R_GAIN,
1041 		       DA7218_OUTFILT_1R_INDAI_1R_GAIN_SHIFT,
1042 		       DA7218_DMIX_GAIN_MAX, DA7218_NO_INVERT,
1043 		       da7218_dmix_gain_tlv),
1044 
1045 	/* Sidetone Filter */
1046 	SND_SOC_BYTES_EXT("Sidetone BiQuad Coefficients",
1047 			  DA7218_SIDETONE_BIQ_3STAGE_CFG_SIZE,
1048 			  da7218_biquad_coeff_get, da7218_biquad_coeff_put),
1049 	SOC_SINGLE_TLV("Sidetone Volume", DA7218_SIDETONE_GAIN,
1050 		       DA7218_SIDETONE_GAIN_SHIFT, DA7218_DMIX_GAIN_MAX,
1051 		       DA7218_NO_INVERT, da7218_dmix_gain_tlv),
1052 	SOC_SINGLE("Sidetone Switch", DA7218_SIDETONE_CTRL,
1053 		   DA7218_SIDETONE_MUTE_EN_SHIFT, DA7218_SWITCH_EN_MAX,
1054 		   DA7218_INVERT),
1055 
1056 	/* Tone Generator */
1057 	SOC_ENUM("ToneGen DTMF Key", da7218_tonegen_dtmf_key),
1058 	SOC_SINGLE("ToneGen DTMF Switch", DA7218_TONE_GEN_CFG1,
1059 		   DA7218_DTMF_EN_SHIFT, DA7218_SWITCH_EN_MAX,
1060 		   DA7218_NO_INVERT),
1061 	SOC_ENUM("ToneGen Sinewave Gen Type", da7218_tonegen_swg_sel),
1062 	SOC_SINGLE_EXT("ToneGen Sinewave1 Freq", DA7218_TONE_GEN_FREQ1_L,
1063 		       DA7218_FREQ1_L_SHIFT, DA7218_FREQ_MAX, DA7218_NO_INVERT,
1064 		       da7218_tonegen_freq_get, da7218_tonegen_freq_put),
1065 	SOC_SINGLE_EXT("ToneGen Sinewave2 Freq", DA7218_TONE_GEN_FREQ2_L,
1066 		       DA7218_FREQ2_L_SHIFT, DA7218_FREQ_MAX, DA7218_NO_INVERT,
1067 		       da7218_tonegen_freq_get, da7218_tonegen_freq_put),
1068 	SOC_SINGLE("ToneGen On Time", DA7218_TONE_GEN_ON_PER,
1069 		   DA7218_BEEP_ON_PER_SHIFT, DA7218_BEEP_ON_OFF_MAX,
1070 		   DA7218_NO_INVERT),
1071 	SOC_SINGLE("ToneGen Off Time", DA7218_TONE_GEN_OFF_PER,
1072 		   DA7218_BEEP_OFF_PER_SHIFT, DA7218_BEEP_ON_OFF_MAX,
1073 		   DA7218_NO_INVERT),
1074 
1075 	/* Gain ramping */
1076 	SOC_ENUM("Gain Ramp Rate", da7218_gain_ramp_rate),
1077 
1078 	/* DGS */
1079 	SOC_SINGLE_TLV("DGS Trigger", DA7218_DGS_TRIGGER,
1080 		       DA7218_DGS_TRIGGER_LVL_SHIFT, DA7218_DGS_TRIGGER_MAX,
1081 		       DA7218_INVERT, da7218_dgs_trigger_tlv),
1082 	SOC_ENUM("DGS Rise Coefficient", da7218_dgs_rise_coeff),
1083 	SOC_ENUM("DGS Fall Coefficient", da7218_dgs_fall_coeff),
1084 	SOC_SINGLE("DGS Sync Delay", DA7218_DGS_SYNC_DELAY,
1085 		   DA7218_DGS_SYNC_DELAY_SHIFT, DA7218_DGS_SYNC_DELAY_MAX,
1086 		   DA7218_NO_INVERT),
1087 	SOC_SINGLE("DGS Fast SR Sync Delay", DA7218_DGS_SYNC_DELAY2,
1088 		   DA7218_DGS_SYNC_DELAY2_SHIFT, DA7218_DGS_SYNC_DELAY_MAX,
1089 		   DA7218_NO_INVERT),
1090 	SOC_SINGLE("DGS Voice Filter Sync Delay", DA7218_DGS_SYNC_DELAY3,
1091 		   DA7218_DGS_SYNC_DELAY3_SHIFT, DA7218_DGS_SYNC_DELAY3_MAX,
1092 		   DA7218_NO_INVERT),
1093 	SOC_SINGLE_TLV("DGS Anticlip Level", DA7218_DGS_LEVELS,
1094 		       DA7218_DGS_ANTICLIP_LVL_SHIFT,
1095 		       DA7218_DGS_ANTICLIP_LVL_MAX, DA7218_INVERT,
1096 		       da7218_dgs_anticlip_tlv),
1097 	SOC_SINGLE_TLV("DGS Signal Level", DA7218_DGS_LEVELS,
1098 		       DA7218_DGS_SIGNAL_LVL_SHIFT, DA7218_DGS_SIGNAL_LVL_MAX,
1099 		       DA7218_INVERT, da7218_dgs_signal_tlv),
1100 	SOC_SINGLE("DGS Gain Subrange Switch", DA7218_DGS_GAIN_CTRL,
1101 		   DA7218_DGS_SUBR_EN_SHIFT, DA7218_SWITCH_EN_MAX,
1102 		   DA7218_NO_INVERT),
1103 	SOC_SINGLE("DGS Gain Ramp Switch", DA7218_DGS_GAIN_CTRL,
1104 		   DA7218_DGS_RAMP_EN_SHIFT, DA7218_SWITCH_EN_MAX,
1105 		   DA7218_NO_INVERT),
1106 	SOC_SINGLE("DGS Gain Steps", DA7218_DGS_GAIN_CTRL,
1107 		   DA7218_DGS_STEPS_SHIFT, DA7218_DGS_STEPS_MAX,
1108 		   DA7218_NO_INVERT),
1109 	SOC_DOUBLE("DGS Switch", DA7218_DGS_ENABLE, DA7218_DGS_ENABLE_L_SHIFT,
1110 		   DA7218_DGS_ENABLE_R_SHIFT, DA7218_SWITCH_EN_MAX,
1111 		   DA7218_NO_INVERT),
1112 
1113 	/* Output High-Pass Filter */
1114 	SOC_ENUM("Out Filter HPF Mode", da7218_out1_hpf_mode),
1115 	SOC_ENUM("Out Filter HPF Corner Audio", da7218_out1_audio_hpf_corner),
1116 	SOC_ENUM("Out Filter HPF Corner Voice", da7218_out1_voice_hpf_corner),
1117 
1118 	/* 5-Band Equaliser */
1119 	SOC_SINGLE_TLV("Out EQ Band1 Volume", DA7218_OUT_1_EQ_12_FILTER_CTRL,
1120 		       DA7218_OUT_1_EQ_BAND1_SHIFT, DA7218_OUT_EQ_BAND_MAX,
1121 		       DA7218_NO_INVERT, da7218_out_eq_band_tlv),
1122 	SOC_SINGLE_TLV("Out EQ Band2 Volume", DA7218_OUT_1_EQ_12_FILTER_CTRL,
1123 		       DA7218_OUT_1_EQ_BAND2_SHIFT, DA7218_OUT_EQ_BAND_MAX,
1124 		       DA7218_NO_INVERT, da7218_out_eq_band_tlv),
1125 	SOC_SINGLE_TLV("Out EQ Band3 Volume", DA7218_OUT_1_EQ_34_FILTER_CTRL,
1126 		       DA7218_OUT_1_EQ_BAND3_SHIFT, DA7218_OUT_EQ_BAND_MAX,
1127 		       DA7218_NO_INVERT, da7218_out_eq_band_tlv),
1128 	SOC_SINGLE_TLV("Out EQ Band4 Volume", DA7218_OUT_1_EQ_34_FILTER_CTRL,
1129 		       DA7218_OUT_1_EQ_BAND4_SHIFT, DA7218_OUT_EQ_BAND_MAX,
1130 		       DA7218_NO_INVERT, da7218_out_eq_band_tlv),
1131 	SOC_SINGLE_TLV("Out EQ Band5 Volume", DA7218_OUT_1_EQ_5_FILTER_CTRL,
1132 		       DA7218_OUT_1_EQ_BAND5_SHIFT, DA7218_OUT_EQ_BAND_MAX,
1133 		       DA7218_NO_INVERT, da7218_out_eq_band_tlv),
1134 	SOC_SINGLE("Out EQ Switch", DA7218_OUT_1_EQ_5_FILTER_CTRL,
1135 		   DA7218_OUT_1_EQ_EN_SHIFT, DA7218_SWITCH_EN_MAX,
1136 		   DA7218_NO_INVERT),
1137 
1138 	/* BiQuad Filters */
1139 	SND_SOC_BYTES_EXT("BiQuad Coefficients",
1140 			  DA7218_OUT_1_BIQ_5STAGE_CFG_SIZE,
1141 			  da7218_biquad_coeff_get, da7218_biquad_coeff_put),
1142 	SOC_SINGLE("BiQuad Filter Switch", DA7218_OUT_1_BIQ_5STAGE_CTRL,
1143 		   DA7218_OUT_1_BIQ_5STAGE_MUTE_EN_SHIFT, DA7218_SWITCH_EN_MAX,
1144 		   DA7218_INVERT),
1145 
1146 	/* Output Filters */
1147 	SOC_DOUBLE_R_RANGE_TLV("Out Filter Volume", DA7218_OUT_1L_GAIN,
1148 			       DA7218_OUT_1R_GAIN,
1149 			       DA7218_OUT_1L_DIGITAL_GAIN_SHIFT,
1150 			       DA7218_OUT_DIGITAL_GAIN_MIN,
1151 			       DA7218_OUT_DIGITAL_GAIN_MAX, DA7218_NO_INVERT,
1152 			       da7218_out_dig_gain_tlv),
1153 	SOC_DOUBLE_R("Out Filter Switch", DA7218_OUT_1L_FILTER_CTRL,
1154 		     DA7218_OUT_1R_FILTER_CTRL, DA7218_OUT_1L_MUTE_EN_SHIFT,
1155 		     DA7218_SWITCH_EN_MAX, DA7218_INVERT),
1156 	SOC_DOUBLE_R("Out Filter Gain Subrange Switch",
1157 		     DA7218_OUT_1L_FILTER_CTRL, DA7218_OUT_1R_FILTER_CTRL,
1158 		     DA7218_OUT_1L_SUBRANGE_EN_SHIFT, DA7218_SWITCH_EN_MAX,
1159 		     DA7218_NO_INVERT),
1160 	SOC_DOUBLE_R("Out Filter Gain Ramp Switch", DA7218_OUT_1L_FILTER_CTRL,
1161 		     DA7218_OUT_1R_FILTER_CTRL, DA7218_OUT_1L_RAMP_EN_SHIFT,
1162 		     DA7218_SWITCH_EN_MAX, DA7218_NO_INVERT),
1163 
1164 	/* Mixer Output */
1165 	SOC_DOUBLE_R_RANGE_TLV("Mixout Volume", DA7218_MIXOUT_L_GAIN,
1166 			       DA7218_MIXOUT_R_GAIN,
1167 			       DA7218_MIXOUT_L_AMP_GAIN_SHIFT,
1168 			       DA7218_MIXOUT_AMP_GAIN_MIN,
1169 			       DA7218_MIXOUT_AMP_GAIN_MAX, DA7218_NO_INVERT,
1170 			       da7218_mixout_gain_tlv),
1171 
1172 	/* DAC Noise Gate */
1173 	SOC_ENUM("DAC NG Setup Time", da7218_dac_ng_setup_time),
1174 	SOC_ENUM("DAC NG Rampup Rate", da7218_dac_ng_rampup_rate),
1175 	SOC_ENUM("DAC NG Rampdown Rate", da7218_dac_ng_rampdown_rate),
1176 	SOC_SINGLE_TLV("DAC NG Off Threshold", DA7218_DAC_NG_OFF_THRESH,
1177 		       DA7218_DAC_NG_OFF_THRESHOLD_SHIFT,
1178 		       DA7218_DAC_NG_THRESHOLD_MAX, DA7218_NO_INVERT,
1179 		       da7218_dac_ng_threshold_tlv),
1180 	SOC_SINGLE_TLV("DAC NG On Threshold", DA7218_DAC_NG_ON_THRESH,
1181 		       DA7218_DAC_NG_ON_THRESHOLD_SHIFT,
1182 		       DA7218_DAC_NG_THRESHOLD_MAX, DA7218_NO_INVERT,
1183 		       da7218_dac_ng_threshold_tlv),
1184 	SOC_SINGLE("DAC NG Switch", DA7218_DAC_NG_CTRL, DA7218_DAC_NG_EN_SHIFT,
1185 		   DA7218_SWITCH_EN_MAX, DA7218_NO_INVERT),
1186 
1187 	/* CP */
1188 	SOC_ENUM("Charge Pump Track Mode", da7218_cp_mchange),
1189 	SOC_ENUM("Charge Pump Frequency", da7218_cp_fcontrol),
1190 	SOC_ENUM("Charge Pump Decay Rate", da7218_cp_tau_delay),
1191 	SOC_SINGLE("Charge Pump Threshold", DA7218_CP_VOL_THRESHOLD1,
1192 		   DA7218_CP_THRESH_VDD2_SHIFT, DA7218_CP_THRESH_VDD2_MAX,
1193 		   DA7218_NO_INVERT),
1194 
1195 	/* Headphones */
1196 	SOC_DOUBLE_R_RANGE_TLV("Headphone Volume", DA7218_HP_L_GAIN,
1197 			       DA7218_HP_R_GAIN, DA7218_HP_L_AMP_GAIN_SHIFT,
1198 			       DA7218_HP_AMP_GAIN_MIN, DA7218_HP_AMP_GAIN_MAX,
1199 			       DA7218_NO_INVERT, da7218_hp_gain_tlv),
1200 	SOC_DOUBLE_R("Headphone Switch", DA7218_HP_L_CTRL, DA7218_HP_R_CTRL,
1201 		     DA7218_HP_L_AMP_MUTE_EN_SHIFT, DA7218_SWITCH_EN_MAX,
1202 		     DA7218_INVERT),
1203 	SOC_DOUBLE_R("Headphone Gain Ramp Switch", DA7218_HP_L_CTRL,
1204 		     DA7218_HP_R_CTRL, DA7218_HP_L_AMP_RAMP_EN_SHIFT,
1205 		     DA7218_SWITCH_EN_MAX, DA7218_NO_INVERT),
1206 	SOC_DOUBLE_R("Headphone ZC Gain Switch", DA7218_HP_L_CTRL,
1207 		     DA7218_HP_R_CTRL, DA7218_HP_L_AMP_ZC_EN_SHIFT,
1208 		     DA7218_SWITCH_EN_MAX, DA7218_NO_INVERT),
1209 };
1210 
1211 
1212 /*
1213  * DAPM Mux Controls
1214  */
1215 
1216 static const char * const da7218_mic_sel_text[] = { "Analog", "Digital" };
1217 
1218 static const struct soc_enum da7218_mic1_sel =
1219 	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(da7218_mic_sel_text),
1220 			    da7218_mic_sel_text);
1221 
1222 static const struct snd_kcontrol_new da7218_mic1_sel_mux =
1223 	SOC_DAPM_ENUM("Mic1 Mux", da7218_mic1_sel);
1224 
1225 static const struct soc_enum da7218_mic2_sel =
1226 	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(da7218_mic_sel_text),
1227 			    da7218_mic_sel_text);
1228 
1229 static const struct snd_kcontrol_new da7218_mic2_sel_mux =
1230 	SOC_DAPM_ENUM("Mic2 Mux", da7218_mic2_sel);
1231 
1232 static const char * const da7218_sidetone_in_sel_txt[] = {
1233 	"In Filter1L", "In Filter1R", "In Filter2L", "In Filter2R"
1234 };
1235 
1236 static const struct soc_enum da7218_sidetone_in_sel =
1237 	SOC_ENUM_SINGLE(DA7218_SIDETONE_IN_SELECT,
1238 			DA7218_SIDETONE_IN_SELECT_SHIFT,
1239 			DA7218_SIDETONE_IN_SELECT_MAX,
1240 			da7218_sidetone_in_sel_txt);
1241 
1242 static const struct snd_kcontrol_new da7218_sidetone_in_sel_mux =
1243 	SOC_DAPM_ENUM("Sidetone Mux", da7218_sidetone_in_sel);
1244 
1245 static const char * const da7218_out_filt_biq_sel_txt[] = {
1246 	"Bypass", "Enabled"
1247 };
1248 
1249 static const struct soc_enum da7218_out_filtl_biq_sel =
1250 	SOC_ENUM_SINGLE(DA7218_OUT_1L_FILTER_CTRL,
1251 			DA7218_OUT_1L_BIQ_5STAGE_SEL_SHIFT,
1252 			DA7218_OUT_BIQ_5STAGE_SEL_MAX,
1253 			da7218_out_filt_biq_sel_txt);
1254 
1255 static const struct snd_kcontrol_new da7218_out_filtl_biq_sel_mux =
1256 	SOC_DAPM_ENUM("Out FilterL BiQuad Mux", da7218_out_filtl_biq_sel);
1257 
1258 static const struct soc_enum da7218_out_filtr_biq_sel =
1259 	SOC_ENUM_SINGLE(DA7218_OUT_1R_FILTER_CTRL,
1260 			DA7218_OUT_1R_BIQ_5STAGE_SEL_SHIFT,
1261 			DA7218_OUT_BIQ_5STAGE_SEL_MAX,
1262 			da7218_out_filt_biq_sel_txt);
1263 
1264 static const struct snd_kcontrol_new da7218_out_filtr_biq_sel_mux =
1265 	SOC_DAPM_ENUM("Out FilterR BiQuad Mux", da7218_out_filtr_biq_sel);
1266 
1267 
1268 /*
1269  * DAPM Mixer Controls
1270  */
1271 
1272 #define DA7218_DMIX_CTRLS(reg)						\
1273 	SOC_DAPM_SINGLE("In Filter1L Switch", reg,			\
1274 			DA7218_DMIX_SRC_INFILT1L,			\
1275 			DA7218_SWITCH_EN_MAX, DA7218_NO_INVERT),	\
1276 	SOC_DAPM_SINGLE("In Filter1R Switch", reg,			\
1277 			DA7218_DMIX_SRC_INFILT1R,			\
1278 			DA7218_SWITCH_EN_MAX, DA7218_NO_INVERT),	\
1279 	SOC_DAPM_SINGLE("In Filter2L Switch", reg,			\
1280 			DA7218_DMIX_SRC_INFILT2L,			\
1281 			DA7218_SWITCH_EN_MAX, DA7218_NO_INVERT),	\
1282 	SOC_DAPM_SINGLE("In Filter2R Switch", reg,			\
1283 			DA7218_DMIX_SRC_INFILT2R,			\
1284 			DA7218_SWITCH_EN_MAX, DA7218_NO_INVERT),	\
1285 	SOC_DAPM_SINGLE("ToneGen Switch", reg,				\
1286 			DA7218_DMIX_SRC_TONEGEN,			\
1287 			DA7218_SWITCH_EN_MAX, DA7218_NO_INVERT),	\
1288 	SOC_DAPM_SINGLE("DAIL Switch", reg, DA7218_DMIX_SRC_DAIL,	\
1289 			DA7218_SWITCH_EN_MAX, DA7218_NO_INVERT),	\
1290 	SOC_DAPM_SINGLE("DAIR Switch", reg, DA7218_DMIX_SRC_DAIR,	\
1291 			DA7218_SWITCH_EN_MAX, DA7218_NO_INVERT)
1292 
1293 static const struct snd_kcontrol_new da7218_out_dai1l_mix_controls[] = {
1294 	DA7218_DMIX_CTRLS(DA7218_DROUTING_OUTDAI_1L),
1295 };
1296 
1297 static const struct snd_kcontrol_new da7218_out_dai1r_mix_controls[] = {
1298 	DA7218_DMIX_CTRLS(DA7218_DROUTING_OUTDAI_1R),
1299 };
1300 
1301 static const struct snd_kcontrol_new da7218_out_dai2l_mix_controls[] = {
1302 	DA7218_DMIX_CTRLS(DA7218_DROUTING_OUTDAI_2L),
1303 };
1304 
1305 static const struct snd_kcontrol_new da7218_out_dai2r_mix_controls[] = {
1306 	DA7218_DMIX_CTRLS(DA7218_DROUTING_OUTDAI_2R),
1307 };
1308 
1309 static const struct snd_kcontrol_new da7218_out_filtl_mix_controls[] = {
1310 	DA7218_DMIX_CTRLS(DA7218_DROUTING_OUTFILT_1L),
1311 };
1312 
1313 static const struct snd_kcontrol_new da7218_out_filtr_mix_controls[] = {
1314 	DA7218_DMIX_CTRLS(DA7218_DROUTING_OUTFILT_1R),
1315 };
1316 
1317 #define DA7218_DMIX_ST_CTRLS(reg)					\
1318 	SOC_DAPM_SINGLE("Out FilterL Switch", reg,			\
1319 			DA7218_DMIX_ST_SRC_OUTFILT1L,			\
1320 			DA7218_SWITCH_EN_MAX, DA7218_NO_INVERT),	\
1321 	SOC_DAPM_SINGLE("Out FilterR Switch", reg,			\
1322 			DA7218_DMIX_ST_SRC_OUTFILT1R,			\
1323 			DA7218_SWITCH_EN_MAX, DA7218_NO_INVERT),	\
1324 	SOC_DAPM_SINGLE("Sidetone Switch", reg,				\
1325 			DA7218_DMIX_ST_SRC_SIDETONE,			\
1326 			DA7218_SWITCH_EN_MAX, DA7218_NO_INVERT)		\
1327 
1328 static const struct snd_kcontrol_new da7218_st_out_filtl_mix_controls[] = {
1329 	DA7218_DMIX_ST_CTRLS(DA7218_DROUTING_ST_OUTFILT_1L),
1330 };
1331 
1332 static const struct snd_kcontrol_new da7218_st_out_filtr_mix_controls[] = {
1333 	DA7218_DMIX_ST_CTRLS(DA7218_DROUTING_ST_OUTFILT_1R),
1334 };
1335 
1336 
1337 /*
1338  * DAPM Events
1339  */
1340 
1341 /*
1342  * We keep track of which input filters are enabled. This is used in the logic
1343  * for controlling the mic level detect feature.
1344  */
da7218_in_filter_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)1345 static int da7218_in_filter_event(struct snd_soc_dapm_widget *w,
1346 				  struct snd_kcontrol *kcontrol, int event)
1347 {
1348 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1349 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
1350 	u8 mask;
1351 
1352 	switch (w->reg) {
1353 	case DA7218_IN_1L_FILTER_CTRL:
1354 		mask = (1 << DA7218_LVL_DET_EN_CHAN1L_SHIFT);
1355 		break;
1356 	case DA7218_IN_1R_FILTER_CTRL:
1357 		mask = (1 << DA7218_LVL_DET_EN_CHAN1R_SHIFT);
1358 		break;
1359 	case DA7218_IN_2L_FILTER_CTRL:
1360 		mask = (1 << DA7218_LVL_DET_EN_CHAN2L_SHIFT);
1361 		break;
1362 	case DA7218_IN_2R_FILTER_CTRL:
1363 		mask = (1 << DA7218_LVL_DET_EN_CHAN2R_SHIFT);
1364 		break;
1365 	default:
1366 		return -EINVAL;
1367 	}
1368 
1369 	switch (event) {
1370 	case SND_SOC_DAPM_POST_PMU:
1371 		da7218->in_filt_en |= mask;
1372 		/*
1373 		 * If we're enabling path for mic level detect, wait for path
1374 		 * to settle before enabling feature to avoid incorrect and
1375 		 * unwanted detect events.
1376 		 */
1377 		if (mask & da7218->mic_lvl_det_en)
1378 			msleep(DA7218_MIC_LVL_DET_DELAY);
1379 		break;
1380 	case SND_SOC_DAPM_PRE_PMD:
1381 		da7218->in_filt_en &= ~mask;
1382 		break;
1383 	default:
1384 		return -EINVAL;
1385 	}
1386 
1387 	/* Enable configured level detection paths */
1388 	snd_soc_component_write(component, DA7218_LVL_DET_CTRL,
1389 		      (da7218->in_filt_en & da7218->mic_lvl_det_en));
1390 
1391 	return 0;
1392 }
1393 
da7218_dai_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)1394 static int da7218_dai_event(struct snd_soc_dapm_widget *w,
1395 			    struct snd_kcontrol *kcontrol, int event)
1396 {
1397 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1398 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
1399 	u8 pll_ctrl, pll_status, refosc_cal;
1400 	int i;
1401 	bool success;
1402 
1403 	switch (event) {
1404 	case SND_SOC_DAPM_POST_PMU:
1405 		if (da7218->master)
1406 			/* Enable DAI clks for master mode */
1407 			snd_soc_component_update_bits(component, DA7218_DAI_CLK_MODE,
1408 					    DA7218_DAI_CLK_EN_MASK,
1409 					    DA7218_DAI_CLK_EN_MASK);
1410 
1411 		/* Tune reference oscillator */
1412 		snd_soc_component_write(component, DA7218_PLL_REFOSC_CAL,
1413 			      DA7218_PLL_REFOSC_CAL_START_MASK);
1414 		snd_soc_component_write(component, DA7218_PLL_REFOSC_CAL,
1415 			      DA7218_PLL_REFOSC_CAL_START_MASK |
1416 			      DA7218_PLL_REFOSC_CAL_EN_MASK);
1417 
1418 		/* Check tuning complete */
1419 		i = 0;
1420 		success = false;
1421 		do {
1422 			refosc_cal = snd_soc_component_read(component, DA7218_PLL_REFOSC_CAL);
1423 			if (!(refosc_cal & DA7218_PLL_REFOSC_CAL_START_MASK)) {
1424 				success = true;
1425 			} else {
1426 				++i;
1427 				usleep_range(DA7218_REF_OSC_CHECK_DELAY_MIN,
1428 					     DA7218_REF_OSC_CHECK_DELAY_MAX);
1429 			}
1430 		} while ((i < DA7218_REF_OSC_CHECK_TRIES) && (!success));
1431 
1432 		if (!success)
1433 			dev_warn(component->dev,
1434 				 "Reference oscillator failed calibration\n");
1435 
1436 		/* PC synchronised to DAI */
1437 		snd_soc_component_write(component, DA7218_PC_COUNT,
1438 			      DA7218_PC_RESYNC_AUTO_MASK);
1439 
1440 		/* If SRM not enabled, we don't need to check status */
1441 		pll_ctrl = snd_soc_component_read(component, DA7218_PLL_CTRL);
1442 		if ((pll_ctrl & DA7218_PLL_MODE_MASK) != DA7218_PLL_MODE_SRM)
1443 			return 0;
1444 
1445 		/* Check SRM has locked */
1446 		i = 0;
1447 		success = false;
1448 		do {
1449 			pll_status = snd_soc_component_read(component, DA7218_PLL_STATUS);
1450 			if (pll_status & DA7218_PLL_SRM_STATUS_SRM_LOCK) {
1451 				success = true;
1452 			} else {
1453 				++i;
1454 				msleep(DA7218_SRM_CHECK_DELAY);
1455 			}
1456 		} while ((i < DA7218_SRM_CHECK_TRIES) && (!success));
1457 
1458 		if (!success)
1459 			dev_warn(component->dev, "SRM failed to lock\n");
1460 
1461 		return 0;
1462 	case SND_SOC_DAPM_POST_PMD:
1463 		/* PC free-running */
1464 		snd_soc_component_write(component, DA7218_PC_COUNT, DA7218_PC_FREERUN_MASK);
1465 
1466 		if (da7218->master)
1467 			/* Disable DAI clks for master mode */
1468 			snd_soc_component_update_bits(component, DA7218_DAI_CLK_MODE,
1469 					    DA7218_DAI_CLK_EN_MASK, 0);
1470 
1471 		return 0;
1472 	default:
1473 		return -EINVAL;
1474 	}
1475 }
1476 
da7218_cp_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)1477 static int da7218_cp_event(struct snd_soc_dapm_widget *w,
1478 			   struct snd_kcontrol *kcontrol, int event)
1479 {
1480 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1481 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
1482 
1483 	/*
1484 	 * If this is DA7217 and we're using single supply for differential
1485 	 * output, we really don't want to touch the charge pump.
1486 	 */
1487 	if (da7218->hp_single_supply)
1488 		return 0;
1489 
1490 	switch (event) {
1491 	case SND_SOC_DAPM_PRE_PMU:
1492 		snd_soc_component_update_bits(component, DA7218_CP_CTRL, DA7218_CP_EN_MASK,
1493 				    DA7218_CP_EN_MASK);
1494 		return 0;
1495 	case SND_SOC_DAPM_PRE_PMD:
1496 		snd_soc_component_update_bits(component, DA7218_CP_CTRL, DA7218_CP_EN_MASK,
1497 				    0);
1498 		return 0;
1499 	default:
1500 		return -EINVAL;
1501 	}
1502 }
1503 
da7218_hp_pga_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)1504 static int da7218_hp_pga_event(struct snd_soc_dapm_widget *w,
1505 			       struct snd_kcontrol *kcontrol, int event)
1506 {
1507 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1508 
1509 	switch (event) {
1510 	case SND_SOC_DAPM_POST_PMU:
1511 		/* Enable headphone output */
1512 		snd_soc_component_update_bits(component, w->reg, DA7218_HP_AMP_OE_MASK,
1513 				    DA7218_HP_AMP_OE_MASK);
1514 		return 0;
1515 	case SND_SOC_DAPM_PRE_PMD:
1516 		/* Headphone output high impedance */
1517 		snd_soc_component_update_bits(component, w->reg, DA7218_HP_AMP_OE_MASK, 0);
1518 		return 0;
1519 	default:
1520 		return -EINVAL;
1521 	}
1522 }
1523 
1524 
1525 /*
1526  * DAPM Widgets
1527  */
1528 
1529 static const struct snd_soc_dapm_widget da7218_dapm_widgets[] = {
1530 	/* Input Supplies */
1531 	SND_SOC_DAPM_SUPPLY("Mic Bias1", DA7218_MICBIAS_EN,
1532 			    DA7218_MICBIAS_1_EN_SHIFT, DA7218_NO_INVERT,
1533 			    NULL, 0),
1534 	SND_SOC_DAPM_SUPPLY("Mic Bias2", DA7218_MICBIAS_EN,
1535 			    DA7218_MICBIAS_2_EN_SHIFT, DA7218_NO_INVERT,
1536 			    NULL, 0),
1537 	SND_SOC_DAPM_SUPPLY("DMic1 Left", DA7218_DMIC_1_CTRL,
1538 			    DA7218_DMIC_1L_EN_SHIFT, DA7218_NO_INVERT,
1539 			    NULL, 0),
1540 	SND_SOC_DAPM_SUPPLY("DMic1 Right", DA7218_DMIC_1_CTRL,
1541 			    DA7218_DMIC_1R_EN_SHIFT, DA7218_NO_INVERT,
1542 			    NULL, 0),
1543 	SND_SOC_DAPM_SUPPLY("DMic2 Left", DA7218_DMIC_2_CTRL,
1544 			    DA7218_DMIC_2L_EN_SHIFT, DA7218_NO_INVERT,
1545 			    NULL, 0),
1546 	SND_SOC_DAPM_SUPPLY("DMic2 Right", DA7218_DMIC_2_CTRL,
1547 			    DA7218_DMIC_2R_EN_SHIFT, DA7218_NO_INVERT,
1548 			    NULL, 0),
1549 
1550 	/* Inputs */
1551 	SND_SOC_DAPM_INPUT("MIC1"),
1552 	SND_SOC_DAPM_INPUT("MIC2"),
1553 	SND_SOC_DAPM_INPUT("DMIC1L"),
1554 	SND_SOC_DAPM_INPUT("DMIC1R"),
1555 	SND_SOC_DAPM_INPUT("DMIC2L"),
1556 	SND_SOC_DAPM_INPUT("DMIC2R"),
1557 
1558 	/* Input Mixer Supplies */
1559 	SND_SOC_DAPM_SUPPLY("Mixin1 Supply", DA7218_MIXIN_1_CTRL,
1560 			    DA7218_MIXIN_1_MIX_SEL_SHIFT, DA7218_NO_INVERT,
1561 			    NULL, 0),
1562 	SND_SOC_DAPM_SUPPLY("Mixin2 Supply", DA7218_MIXIN_2_CTRL,
1563 			    DA7218_MIXIN_2_MIX_SEL_SHIFT, DA7218_NO_INVERT,
1564 			    NULL, 0),
1565 
1566 	/* Input PGAs */
1567 	SND_SOC_DAPM_PGA("Mic1 PGA", DA7218_MIC_1_CTRL,
1568 			 DA7218_MIC_1_AMP_EN_SHIFT, DA7218_NO_INVERT,
1569 			 NULL, 0),
1570 	SND_SOC_DAPM_PGA("Mic2 PGA", DA7218_MIC_2_CTRL,
1571 			 DA7218_MIC_2_AMP_EN_SHIFT, DA7218_NO_INVERT,
1572 			 NULL, 0),
1573 	SND_SOC_DAPM_PGA("Mixin1 PGA", DA7218_MIXIN_1_CTRL,
1574 			 DA7218_MIXIN_1_AMP_EN_SHIFT, DA7218_NO_INVERT,
1575 			 NULL, 0),
1576 	SND_SOC_DAPM_PGA("Mixin2 PGA", DA7218_MIXIN_2_CTRL,
1577 			 DA7218_MIXIN_2_AMP_EN_SHIFT, DA7218_NO_INVERT,
1578 			 NULL, 0),
1579 
1580 	/* Mic/DMic Muxes */
1581 	SND_SOC_DAPM_MUX("Mic1 Mux", SND_SOC_NOPM, 0, 0, &da7218_mic1_sel_mux),
1582 	SND_SOC_DAPM_MUX("Mic2 Mux", SND_SOC_NOPM, 0, 0, &da7218_mic2_sel_mux),
1583 
1584 	/* Input Filters */
1585 	SND_SOC_DAPM_ADC_E("In Filter1L", NULL, DA7218_IN_1L_FILTER_CTRL,
1586 			   DA7218_IN_1L_FILTER_EN_SHIFT, DA7218_NO_INVERT,
1587 			   da7218_in_filter_event,
1588 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1589 	SND_SOC_DAPM_ADC_E("In Filter1R", NULL, DA7218_IN_1R_FILTER_CTRL,
1590 			   DA7218_IN_1R_FILTER_EN_SHIFT, DA7218_NO_INVERT,
1591 			   da7218_in_filter_event,
1592 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1593 	SND_SOC_DAPM_ADC_E("In Filter2L", NULL, DA7218_IN_2L_FILTER_CTRL,
1594 			   DA7218_IN_2L_FILTER_EN_SHIFT, DA7218_NO_INVERT,
1595 			   da7218_in_filter_event,
1596 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1597 	SND_SOC_DAPM_ADC_E("In Filter2R", NULL, DA7218_IN_2R_FILTER_CTRL,
1598 			   DA7218_IN_2R_FILTER_EN_SHIFT, DA7218_NO_INVERT,
1599 			   da7218_in_filter_event,
1600 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1601 
1602 	/* Tone Generator */
1603 	SND_SOC_DAPM_SIGGEN("TONE"),
1604 	SND_SOC_DAPM_PGA("Tone Generator", DA7218_TONE_GEN_CFG1,
1605 			 DA7218_START_STOPN_SHIFT, DA7218_NO_INVERT, NULL, 0),
1606 
1607 	/* Sidetone Input */
1608 	SND_SOC_DAPM_MUX("Sidetone Mux", SND_SOC_NOPM, 0, 0,
1609 			 &da7218_sidetone_in_sel_mux),
1610 	SND_SOC_DAPM_ADC("Sidetone Filter", NULL, DA7218_SIDETONE_CTRL,
1611 			 DA7218_SIDETONE_FILTER_EN_SHIFT, DA7218_NO_INVERT),
1612 
1613 	/* Input Mixers */
1614 	SND_SOC_DAPM_MIXER("Mixer DAI1L", SND_SOC_NOPM, 0, 0,
1615 			   da7218_out_dai1l_mix_controls,
1616 			   ARRAY_SIZE(da7218_out_dai1l_mix_controls)),
1617 	SND_SOC_DAPM_MIXER("Mixer DAI1R", SND_SOC_NOPM, 0, 0,
1618 			   da7218_out_dai1r_mix_controls,
1619 			   ARRAY_SIZE(da7218_out_dai1r_mix_controls)),
1620 	SND_SOC_DAPM_MIXER("Mixer DAI2L", SND_SOC_NOPM, 0, 0,
1621 			   da7218_out_dai2l_mix_controls,
1622 			   ARRAY_SIZE(da7218_out_dai2l_mix_controls)),
1623 	SND_SOC_DAPM_MIXER("Mixer DAI2R", SND_SOC_NOPM, 0, 0,
1624 			   da7218_out_dai2r_mix_controls,
1625 			   ARRAY_SIZE(da7218_out_dai2r_mix_controls)),
1626 
1627 	/* DAI Supply */
1628 	SND_SOC_DAPM_SUPPLY("DAI", DA7218_DAI_CTRL, DA7218_DAI_EN_SHIFT,
1629 			    DA7218_NO_INVERT, da7218_dai_event,
1630 			    SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1631 
1632 	/* DAI */
1633 	SND_SOC_DAPM_AIF_OUT("DAIOUT", "Capture", 0, DA7218_DAI_TDM_CTRL,
1634 			     DA7218_DAI_OE_SHIFT, DA7218_NO_INVERT),
1635 	SND_SOC_DAPM_AIF_IN("DAIIN", "Playback", 0, SND_SOC_NOPM, 0, 0),
1636 
1637 	/* Output Mixers */
1638 	SND_SOC_DAPM_MIXER("Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
1639 			   da7218_out_filtl_mix_controls,
1640 			   ARRAY_SIZE(da7218_out_filtl_mix_controls)),
1641 	SND_SOC_DAPM_MIXER("Mixer Out FilterR", SND_SOC_NOPM, 0, 0,
1642 			   da7218_out_filtr_mix_controls,
1643 			   ARRAY_SIZE(da7218_out_filtr_mix_controls)),
1644 
1645 	/* BiQuad Filters */
1646 	SND_SOC_DAPM_MUX("Out FilterL BiQuad Mux", SND_SOC_NOPM, 0, 0,
1647 			 &da7218_out_filtl_biq_sel_mux),
1648 	SND_SOC_DAPM_MUX("Out FilterR BiQuad Mux", SND_SOC_NOPM, 0, 0,
1649 			 &da7218_out_filtr_biq_sel_mux),
1650 	SND_SOC_DAPM_DAC("BiQuad Filter", NULL, DA7218_OUT_1_BIQ_5STAGE_CTRL,
1651 			 DA7218_OUT_1_BIQ_5STAGE_FILTER_EN_SHIFT,
1652 			 DA7218_NO_INVERT),
1653 
1654 	/* Sidetone Mixers */
1655 	SND_SOC_DAPM_MIXER("ST Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
1656 			   da7218_st_out_filtl_mix_controls,
1657 			   ARRAY_SIZE(da7218_st_out_filtl_mix_controls)),
1658 	SND_SOC_DAPM_MIXER("ST Mixer Out FilterR", SND_SOC_NOPM, 0, 0,
1659 			   da7218_st_out_filtr_mix_controls,
1660 			   ARRAY_SIZE(da7218_st_out_filtr_mix_controls)),
1661 
1662 	/* Output Filters */
1663 	SND_SOC_DAPM_DAC("Out FilterL", NULL, DA7218_OUT_1L_FILTER_CTRL,
1664 			 DA7218_OUT_1L_FILTER_EN_SHIFT, DA7218_NO_INVERT),
1665 	SND_SOC_DAPM_DAC("Out FilterR", NULL, DA7218_OUT_1R_FILTER_CTRL,
1666 			 DA7218_IN_1R_FILTER_EN_SHIFT, DA7218_NO_INVERT),
1667 
1668 	/* Output PGAs */
1669 	SND_SOC_DAPM_PGA("Mixout Left PGA", DA7218_MIXOUT_L_CTRL,
1670 			 DA7218_MIXOUT_L_AMP_EN_SHIFT, DA7218_NO_INVERT,
1671 			 NULL, 0),
1672 	SND_SOC_DAPM_PGA("Mixout Right PGA", DA7218_MIXOUT_R_CTRL,
1673 			 DA7218_MIXOUT_R_AMP_EN_SHIFT, DA7218_NO_INVERT,
1674 			 NULL, 0),
1675 	SND_SOC_DAPM_PGA_E("Headphone Left PGA", DA7218_HP_L_CTRL,
1676 			   DA7218_HP_L_AMP_EN_SHIFT, DA7218_NO_INVERT, NULL, 0,
1677 			   da7218_hp_pga_event,
1678 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1679 	SND_SOC_DAPM_PGA_E("Headphone Right PGA", DA7218_HP_R_CTRL,
1680 			   DA7218_HP_R_AMP_EN_SHIFT, DA7218_NO_INVERT, NULL, 0,
1681 			   da7218_hp_pga_event,
1682 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1683 
1684 	/* Output Supplies */
1685 	SND_SOC_DAPM_SUPPLY("Charge Pump", SND_SOC_NOPM, 0, 0, da7218_cp_event,
1686 			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1687 
1688 	/* Outputs */
1689 	SND_SOC_DAPM_OUTPUT("HPL"),
1690 	SND_SOC_DAPM_OUTPUT("HPR"),
1691 };
1692 
1693 
1694 /*
1695  * DAPM Mixer Routes
1696  */
1697 
1698 #define DA7218_DMIX_ROUTES(name)				\
1699 	{name, "In Filter1L Switch", "In Filter1L"},		\
1700 	{name, "In Filter1R Switch", "In Filter1R"},		\
1701 	{name, "In Filter2L Switch", "In Filter2L"},		\
1702 	{name, "In Filter2R Switch", "In Filter2R"},		\
1703 	{name, "ToneGen Switch", "Tone Generator"},		\
1704 	{name, "DAIL Switch", "DAIIN"},				\
1705 	{name, "DAIR Switch", "DAIIN"}
1706 
1707 #define DA7218_DMIX_ST_ROUTES(name)				\
1708 	{name, "Out FilterL Switch", "Out FilterL BiQuad Mux"},	\
1709 	{name, "Out FilterR Switch", "Out FilterR BiQuad Mux"},	\
1710 	{name, "Sidetone Switch", "Sidetone Filter"}
1711 
1712 
1713 /*
1714  * DAPM audio route definition
1715  */
1716 
1717 static const struct snd_soc_dapm_route da7218_audio_map[] = {
1718 	/* Input paths */
1719 	{"MIC1", NULL, "Mic Bias1"},
1720 	{"MIC2", NULL, "Mic Bias2"},
1721 	{"DMIC1L", NULL, "Mic Bias1"},
1722 	{"DMIC1L", NULL, "DMic1 Left"},
1723 	{"DMIC1R", NULL, "Mic Bias1"},
1724 	{"DMIC1R", NULL, "DMic1 Right"},
1725 	{"DMIC2L", NULL, "Mic Bias2"},
1726 	{"DMIC2L", NULL, "DMic2 Left"},
1727 	{"DMIC2R", NULL, "Mic Bias2"},
1728 	{"DMIC2R", NULL, "DMic2 Right"},
1729 
1730 	{"Mic1 PGA", NULL, "MIC1"},
1731 	{"Mic2 PGA", NULL, "MIC2"},
1732 
1733 	{"Mixin1 PGA", NULL, "Mixin1 Supply"},
1734 	{"Mixin2 PGA", NULL, "Mixin2 Supply"},
1735 
1736 	{"Mixin1 PGA", NULL, "Mic1 PGA"},
1737 	{"Mixin2 PGA", NULL, "Mic2 PGA"},
1738 
1739 	{"Mic1 Mux", "Analog", "Mixin1 PGA"},
1740 	{"Mic1 Mux", "Digital", "DMIC1L"},
1741 	{"Mic1 Mux", "Digital", "DMIC1R"},
1742 	{"Mic2 Mux", "Analog", "Mixin2 PGA"},
1743 	{"Mic2 Mux", "Digital", "DMIC2L"},
1744 	{"Mic2 Mux", "Digital", "DMIC2R"},
1745 
1746 	{"In Filter1L", NULL, "Mic1 Mux"},
1747 	{"In Filter1R", NULL, "Mic1 Mux"},
1748 	{"In Filter2L", NULL, "Mic2 Mux"},
1749 	{"In Filter2R", NULL, "Mic2 Mux"},
1750 
1751 	{"Tone Generator", NULL, "TONE"},
1752 
1753 	{"Sidetone Mux", "In Filter1L", "In Filter1L"},
1754 	{"Sidetone Mux", "In Filter1R", "In Filter1R"},
1755 	{"Sidetone Mux", "In Filter2L", "In Filter2L"},
1756 	{"Sidetone Mux", "In Filter2R", "In Filter2R"},
1757 	{"Sidetone Filter", NULL, "Sidetone Mux"},
1758 
1759 	DA7218_DMIX_ROUTES("Mixer DAI1L"),
1760 	DA7218_DMIX_ROUTES("Mixer DAI1R"),
1761 	DA7218_DMIX_ROUTES("Mixer DAI2L"),
1762 	DA7218_DMIX_ROUTES("Mixer DAI2R"),
1763 
1764 	{"DAIOUT", NULL, "Mixer DAI1L"},
1765 	{"DAIOUT", NULL, "Mixer DAI1R"},
1766 	{"DAIOUT", NULL, "Mixer DAI2L"},
1767 	{"DAIOUT", NULL, "Mixer DAI2R"},
1768 
1769 	{"DAIOUT", NULL, "DAI"},
1770 
1771 	/* Output paths */
1772 	{"DAIIN", NULL, "DAI"},
1773 
1774 	DA7218_DMIX_ROUTES("Mixer Out FilterL"),
1775 	DA7218_DMIX_ROUTES("Mixer Out FilterR"),
1776 
1777 	{"BiQuad Filter", NULL, "Mixer Out FilterL"},
1778 	{"BiQuad Filter", NULL, "Mixer Out FilterR"},
1779 
1780 	{"Out FilterL BiQuad Mux", "Bypass", "Mixer Out FilterL"},
1781 	{"Out FilterL BiQuad Mux", "Enabled", "BiQuad Filter"},
1782 	{"Out FilterR BiQuad Mux", "Bypass", "Mixer Out FilterR"},
1783 	{"Out FilterR BiQuad Mux", "Enabled", "BiQuad Filter"},
1784 
1785 	DA7218_DMIX_ST_ROUTES("ST Mixer Out FilterL"),
1786 	DA7218_DMIX_ST_ROUTES("ST Mixer Out FilterR"),
1787 
1788 	{"Out FilterL", NULL, "ST Mixer Out FilterL"},
1789 	{"Out FilterR", NULL, "ST Mixer Out FilterR"},
1790 
1791 	{"Mixout Left PGA", NULL, "Out FilterL"},
1792 	{"Mixout Right PGA", NULL, "Out FilterR"},
1793 
1794 	{"Headphone Left PGA", NULL, "Mixout Left PGA"},
1795 	{"Headphone Right PGA", NULL, "Mixout Right PGA"},
1796 
1797 	{"HPL", NULL, "Headphone Left PGA"},
1798 	{"HPR", NULL, "Headphone Right PGA"},
1799 
1800 	{"HPL", NULL, "Charge Pump"},
1801 	{"HPR", NULL, "Charge Pump"},
1802 };
1803 
1804 
1805 /*
1806  * DAI operations
1807  */
1808 
da7218_set_dai_sysclk(struct snd_soc_dai * codec_dai,int clk_id,unsigned int freq,int dir)1809 static int da7218_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1810 				 int clk_id, unsigned int freq, int dir)
1811 {
1812 	struct snd_soc_component *component = codec_dai->component;
1813 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
1814 	int ret;
1815 
1816 	if (da7218->mclk_rate == freq)
1817 		return 0;
1818 
1819 	if ((freq < 2000000) || (freq > 54000000)) {
1820 		dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1821 			freq);
1822 		return -EINVAL;
1823 	}
1824 
1825 	switch (clk_id) {
1826 	case DA7218_CLKSRC_MCLK_SQR:
1827 		snd_soc_component_update_bits(component, DA7218_PLL_CTRL,
1828 				    DA7218_PLL_MCLK_SQR_EN_MASK,
1829 				    DA7218_PLL_MCLK_SQR_EN_MASK);
1830 		break;
1831 	case DA7218_CLKSRC_MCLK:
1832 		snd_soc_component_update_bits(component, DA7218_PLL_CTRL,
1833 				    DA7218_PLL_MCLK_SQR_EN_MASK, 0);
1834 		break;
1835 	default:
1836 		dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1837 		return -EINVAL;
1838 	}
1839 
1840 	if (da7218->mclk) {
1841 		freq = clk_round_rate(da7218->mclk, freq);
1842 		ret = clk_set_rate(da7218->mclk, freq);
1843 		if (ret) {
1844 			dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
1845 				freq);
1846 			return ret;
1847 		}
1848 	}
1849 
1850 	da7218->mclk_rate = freq;
1851 
1852 	return 0;
1853 }
1854 
da7218_set_dai_pll(struct snd_soc_dai * codec_dai,int pll_id,int source,unsigned int fref,unsigned int fout)1855 static int da7218_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1856 			      int source, unsigned int fref, unsigned int fout)
1857 {
1858 	struct snd_soc_component *component = codec_dai->component;
1859 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
1860 
1861 	u8 pll_ctrl, indiv_bits, indiv;
1862 	u8 pll_frac_top, pll_frac_bot, pll_integer;
1863 	u32 freq_ref;
1864 	u64 frac_div;
1865 
1866 	/* Verify 2MHz - 54MHz MCLK provided, and set input divider */
1867 	if (da7218->mclk_rate < 2000000) {
1868 		dev_err(component->dev, "PLL input clock %d below valid range\n",
1869 			da7218->mclk_rate);
1870 		return -EINVAL;
1871 	} else if (da7218->mclk_rate <= 4500000) {
1872 		indiv_bits = DA7218_PLL_INDIV_2_TO_4_5_MHZ;
1873 		indiv = DA7218_PLL_INDIV_2_TO_4_5_MHZ_VAL;
1874 	} else if (da7218->mclk_rate <= 9000000) {
1875 		indiv_bits = DA7218_PLL_INDIV_4_5_TO_9_MHZ;
1876 		indiv = DA7218_PLL_INDIV_4_5_TO_9_MHZ_VAL;
1877 	} else if (da7218->mclk_rate <= 18000000) {
1878 		indiv_bits = DA7218_PLL_INDIV_9_TO_18_MHZ;
1879 		indiv = DA7218_PLL_INDIV_9_TO_18_MHZ_VAL;
1880 	} else if (da7218->mclk_rate <= 36000000) {
1881 		indiv_bits = DA7218_PLL_INDIV_18_TO_36_MHZ;
1882 		indiv = DA7218_PLL_INDIV_18_TO_36_MHZ_VAL;
1883 	} else if (da7218->mclk_rate <= 54000000) {
1884 		indiv_bits = DA7218_PLL_INDIV_36_TO_54_MHZ;
1885 		indiv = DA7218_PLL_INDIV_36_TO_54_MHZ_VAL;
1886 	} else {
1887 		dev_err(component->dev, "PLL input clock %d above valid range\n",
1888 			da7218->mclk_rate);
1889 		return -EINVAL;
1890 	}
1891 	freq_ref = (da7218->mclk_rate / indiv);
1892 	pll_ctrl = indiv_bits;
1893 
1894 	/* Configure PLL */
1895 	switch (source) {
1896 	case DA7218_SYSCLK_MCLK:
1897 		pll_ctrl |= DA7218_PLL_MODE_BYPASS;
1898 		snd_soc_component_update_bits(component, DA7218_PLL_CTRL,
1899 				    DA7218_PLL_INDIV_MASK |
1900 				    DA7218_PLL_MODE_MASK, pll_ctrl);
1901 		return 0;
1902 	case DA7218_SYSCLK_PLL:
1903 		pll_ctrl |= DA7218_PLL_MODE_NORMAL;
1904 		break;
1905 	case DA7218_SYSCLK_PLL_SRM:
1906 		pll_ctrl |= DA7218_PLL_MODE_SRM;
1907 		break;
1908 	default:
1909 		dev_err(component->dev, "Invalid PLL config\n");
1910 		return -EINVAL;
1911 	}
1912 
1913 	/* Calculate dividers for PLL */
1914 	pll_integer = fout / freq_ref;
1915 	frac_div = (u64)(fout % freq_ref) * 8192ULL;
1916 	do_div(frac_div, freq_ref);
1917 	pll_frac_top = (frac_div >> DA7218_BYTE_SHIFT) & DA7218_BYTE_MASK;
1918 	pll_frac_bot = (frac_div) & DA7218_BYTE_MASK;
1919 
1920 	/* Write PLL config & dividers */
1921 	snd_soc_component_write(component, DA7218_PLL_FRAC_TOP, pll_frac_top);
1922 	snd_soc_component_write(component, DA7218_PLL_FRAC_BOT, pll_frac_bot);
1923 	snd_soc_component_write(component, DA7218_PLL_INTEGER, pll_integer);
1924 	snd_soc_component_update_bits(component, DA7218_PLL_CTRL,
1925 			    DA7218_PLL_MODE_MASK | DA7218_PLL_INDIV_MASK,
1926 			    pll_ctrl);
1927 
1928 	return 0;
1929 }
1930 
da7218_set_dai_fmt(struct snd_soc_dai * codec_dai,unsigned int fmt)1931 static int da7218_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1932 {
1933 	struct snd_soc_component *component = codec_dai->component;
1934 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
1935 	u8 dai_clk_mode = 0, dai_ctrl = 0;
1936 
1937 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1938 	case SND_SOC_DAIFMT_CBM_CFM:
1939 		da7218->master = true;
1940 		break;
1941 	case SND_SOC_DAIFMT_CBS_CFS:
1942 		da7218->master = false;
1943 		break;
1944 	default:
1945 		return -EINVAL;
1946 	}
1947 
1948 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1949 	case SND_SOC_DAIFMT_I2S:
1950 	case SND_SOC_DAIFMT_LEFT_J:
1951 	case SND_SOC_DAIFMT_RIGHT_J:
1952 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1953 		case SND_SOC_DAIFMT_NB_NF:
1954 			break;
1955 		case SND_SOC_DAIFMT_NB_IF:
1956 			dai_clk_mode |= DA7218_DAI_WCLK_POL_INV;
1957 			break;
1958 		case SND_SOC_DAIFMT_IB_NF:
1959 			dai_clk_mode |= DA7218_DAI_CLK_POL_INV;
1960 			break;
1961 		case SND_SOC_DAIFMT_IB_IF:
1962 			dai_clk_mode |= DA7218_DAI_WCLK_POL_INV |
1963 					DA7218_DAI_CLK_POL_INV;
1964 			break;
1965 		default:
1966 			return -EINVAL;
1967 		}
1968 		break;
1969 	case SND_SOC_DAIFMT_DSP_B:
1970 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1971 		case SND_SOC_DAIFMT_NB_NF:
1972 			dai_clk_mode |= DA7218_DAI_CLK_POL_INV;
1973 			break;
1974 		case SND_SOC_DAIFMT_NB_IF:
1975 			dai_clk_mode |= DA7218_DAI_WCLK_POL_INV |
1976 					DA7218_DAI_CLK_POL_INV;
1977 			break;
1978 		case SND_SOC_DAIFMT_IB_NF:
1979 			break;
1980 		case SND_SOC_DAIFMT_IB_IF:
1981 			dai_clk_mode |= DA7218_DAI_WCLK_POL_INV;
1982 			break;
1983 		default:
1984 			return -EINVAL;
1985 		}
1986 		break;
1987 	default:
1988 		return -EINVAL;
1989 	}
1990 
1991 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1992 	case SND_SOC_DAIFMT_I2S:
1993 		dai_ctrl |= DA7218_DAI_FORMAT_I2S;
1994 		break;
1995 	case SND_SOC_DAIFMT_LEFT_J:
1996 		dai_ctrl |= DA7218_DAI_FORMAT_LEFT_J;
1997 		break;
1998 	case SND_SOC_DAIFMT_RIGHT_J:
1999 		dai_ctrl |= DA7218_DAI_FORMAT_RIGHT_J;
2000 		break;
2001 	case SND_SOC_DAIFMT_DSP_B:
2002 		dai_ctrl |= DA7218_DAI_FORMAT_DSP;
2003 		break;
2004 	default:
2005 		return -EINVAL;
2006 	}
2007 
2008 	/* By default 64 BCLKs per WCLK is supported */
2009 	dai_clk_mode |= DA7218_DAI_BCLKS_PER_WCLK_64;
2010 
2011 	snd_soc_component_write(component, DA7218_DAI_CLK_MODE, dai_clk_mode);
2012 	snd_soc_component_update_bits(component, DA7218_DAI_CTRL, DA7218_DAI_FORMAT_MASK,
2013 			    dai_ctrl);
2014 
2015 	return 0;
2016 }
2017 
da7218_set_dai_tdm_slot(struct snd_soc_dai * dai,unsigned int tx_mask,unsigned int rx_mask,int slots,int slot_width)2018 static int da7218_set_dai_tdm_slot(struct snd_soc_dai *dai,
2019 				   unsigned int tx_mask, unsigned int rx_mask,
2020 				   int slots, int slot_width)
2021 {
2022 	struct snd_soc_component *component = dai->component;
2023 	u8 dai_bclks_per_wclk;
2024 	u32 frame_size;
2025 
2026 	/* No channels enabled so disable TDM, revert to 64-bit frames */
2027 	if (!tx_mask) {
2028 		snd_soc_component_update_bits(component, DA7218_DAI_TDM_CTRL,
2029 				    DA7218_DAI_TDM_CH_EN_MASK |
2030 				    DA7218_DAI_TDM_MODE_EN_MASK, 0);
2031 		snd_soc_component_update_bits(component, DA7218_DAI_CLK_MODE,
2032 				    DA7218_DAI_BCLKS_PER_WCLK_MASK,
2033 				    DA7218_DAI_BCLKS_PER_WCLK_64);
2034 		return 0;
2035 	}
2036 
2037 	/* Check we have valid slots */
2038 	if (fls(tx_mask) > DA7218_DAI_TDM_MAX_SLOTS) {
2039 		dev_err(component->dev, "Invalid number of slots, max = %d\n",
2040 			DA7218_DAI_TDM_MAX_SLOTS);
2041 		return -EINVAL;
2042 	}
2043 
2044 	/* Check we have a valid offset given (first 2 bytes of rx_mask) */
2045 	if (rx_mask >> DA7218_2BYTE_SHIFT) {
2046 		dev_err(component->dev, "Invalid slot offset, max = %d\n",
2047 			DA7218_2BYTE_MASK);
2048 		return -EINVAL;
2049 	}
2050 
2051 	/* Calculate & validate frame size based on slot info provided. */
2052 	frame_size = slots * slot_width;
2053 	switch (frame_size) {
2054 	case 32:
2055 		dai_bclks_per_wclk = DA7218_DAI_BCLKS_PER_WCLK_32;
2056 		break;
2057 	case 64:
2058 		dai_bclks_per_wclk = DA7218_DAI_BCLKS_PER_WCLK_64;
2059 		break;
2060 	case 128:
2061 		dai_bclks_per_wclk = DA7218_DAI_BCLKS_PER_WCLK_128;
2062 		break;
2063 	case 256:
2064 		dai_bclks_per_wclk = DA7218_DAI_BCLKS_PER_WCLK_256;
2065 		break;
2066 	default:
2067 		dev_err(component->dev, "Invalid frame size\n");
2068 		return -EINVAL;
2069 	}
2070 
2071 	snd_soc_component_update_bits(component, DA7218_DAI_CLK_MODE,
2072 			    DA7218_DAI_BCLKS_PER_WCLK_MASK,
2073 			    dai_bclks_per_wclk);
2074 	snd_soc_component_write(component, DA7218_DAI_OFFSET_LOWER,
2075 		      (rx_mask & DA7218_BYTE_MASK));
2076 	snd_soc_component_write(component, DA7218_DAI_OFFSET_UPPER,
2077 		      ((rx_mask >> DA7218_BYTE_SHIFT) & DA7218_BYTE_MASK));
2078 	snd_soc_component_update_bits(component, DA7218_DAI_TDM_CTRL,
2079 			    DA7218_DAI_TDM_CH_EN_MASK |
2080 			    DA7218_DAI_TDM_MODE_EN_MASK,
2081 			    (tx_mask << DA7218_DAI_TDM_CH_EN_SHIFT) |
2082 			    DA7218_DAI_TDM_MODE_EN_MASK);
2083 
2084 	return 0;
2085 }
2086 
da7218_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)2087 static int da7218_hw_params(struct snd_pcm_substream *substream,
2088 			    struct snd_pcm_hw_params *params,
2089 			    struct snd_soc_dai *dai)
2090 {
2091 	struct snd_soc_component *component = dai->component;
2092 	u8 dai_ctrl = 0, fs;
2093 	unsigned int channels;
2094 
2095 	switch (params_width(params)) {
2096 	case 16:
2097 		dai_ctrl |= DA7218_DAI_WORD_LENGTH_S16_LE;
2098 		break;
2099 	case 20:
2100 		dai_ctrl |= DA7218_DAI_WORD_LENGTH_S20_LE;
2101 		break;
2102 	case 24:
2103 		dai_ctrl |= DA7218_DAI_WORD_LENGTH_S24_LE;
2104 		break;
2105 	case 32:
2106 		dai_ctrl |= DA7218_DAI_WORD_LENGTH_S32_LE;
2107 		break;
2108 	default:
2109 		return -EINVAL;
2110 	}
2111 
2112 	channels = params_channels(params);
2113 	if ((channels < 1) || (channels > DA7218_DAI_CH_NUM_MAX)) {
2114 		dev_err(component->dev,
2115 			"Invalid number of channels, only 1 to %d supported\n",
2116 			DA7218_DAI_CH_NUM_MAX);
2117 		return -EINVAL;
2118 	}
2119 	dai_ctrl |= channels << DA7218_DAI_CH_NUM_SHIFT;
2120 
2121 	switch (params_rate(params)) {
2122 	case 8000:
2123 		fs = DA7218_SR_8000;
2124 		break;
2125 	case 11025:
2126 		fs = DA7218_SR_11025;
2127 		break;
2128 	case 12000:
2129 		fs = DA7218_SR_12000;
2130 		break;
2131 	case 16000:
2132 		fs = DA7218_SR_16000;
2133 		break;
2134 	case 22050:
2135 		fs = DA7218_SR_22050;
2136 		break;
2137 	case 24000:
2138 		fs = DA7218_SR_24000;
2139 		break;
2140 	case 32000:
2141 		fs = DA7218_SR_32000;
2142 		break;
2143 	case 44100:
2144 		fs = DA7218_SR_44100;
2145 		break;
2146 	case 48000:
2147 		fs = DA7218_SR_48000;
2148 		break;
2149 	case 88200:
2150 		fs = DA7218_SR_88200;
2151 		break;
2152 	case 96000:
2153 		fs = DA7218_SR_96000;
2154 		break;
2155 	default:
2156 		return -EINVAL;
2157 	}
2158 
2159 	snd_soc_component_update_bits(component, DA7218_DAI_CTRL,
2160 			    DA7218_DAI_WORD_LENGTH_MASK | DA7218_DAI_CH_NUM_MASK,
2161 			    dai_ctrl);
2162 	/* SRs tied for ADCs and DACs. */
2163 	snd_soc_component_write(component, DA7218_SR,
2164 		      (fs << DA7218_SR_DAC_SHIFT) | (fs << DA7218_SR_ADC_SHIFT));
2165 
2166 	return 0;
2167 }
2168 
2169 static const struct snd_soc_dai_ops da7218_dai_ops = {
2170 	.hw_params	= da7218_hw_params,
2171 	.set_sysclk	= da7218_set_dai_sysclk,
2172 	.set_pll	= da7218_set_dai_pll,
2173 	.set_fmt	= da7218_set_dai_fmt,
2174 	.set_tdm_slot	= da7218_set_dai_tdm_slot,
2175 };
2176 
2177 #define DA7218_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
2178 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
2179 
2180 static struct snd_soc_dai_driver da7218_dai = {
2181 	.name = "da7218-hifi",
2182 	.playback = {
2183 		.stream_name = "Playback",
2184 		.channels_min = 1,
2185 		.channels_max = 4,	/* Only 2 channels of data */
2186 		.rates = SNDRV_PCM_RATE_8000_96000,
2187 		.formats = DA7218_FORMATS,
2188 	},
2189 	.capture = {
2190 		.stream_name = "Capture",
2191 		.channels_min = 1,
2192 		.channels_max = 4,
2193 		.rates = SNDRV_PCM_RATE_8000_96000,
2194 		.formats = DA7218_FORMATS,
2195 	},
2196 	.ops = &da7218_dai_ops,
2197 	.symmetric_rate = 1,
2198 	.symmetric_channels = 1,
2199 	.symmetric_sample_bits = 1,
2200 };
2201 
2202 
2203 /*
2204  * HP Detect
2205  */
2206 
da7218_hpldet(struct snd_soc_component * component,struct snd_soc_jack * jack)2207 int da7218_hpldet(struct snd_soc_component *component, struct snd_soc_jack *jack)
2208 {
2209 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
2210 
2211 	if (da7218->dev_id == DA7217_DEV_ID)
2212 		return -EINVAL;
2213 
2214 	da7218->jack = jack;
2215 	snd_soc_component_update_bits(component, DA7218_HPLDET_JACK,
2216 			    DA7218_HPLDET_JACK_EN_MASK,
2217 			    jack ? DA7218_HPLDET_JACK_EN_MASK : 0);
2218 
2219 	return 0;
2220 }
2221 EXPORT_SYMBOL_GPL(da7218_hpldet);
2222 
da7218_micldet_irq(struct snd_soc_component * component)2223 static void da7218_micldet_irq(struct snd_soc_component *component)
2224 {
2225 	char *envp[] = {
2226 		"EVENT=MIC_LEVEL_DETECT",
2227 		NULL,
2228 	};
2229 
2230 	kobject_uevent_env(&component->dev->kobj, KOBJ_CHANGE, envp);
2231 }
2232 
da7218_hpldet_irq(struct snd_soc_component * component)2233 static void da7218_hpldet_irq(struct snd_soc_component *component)
2234 {
2235 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
2236 	u8 jack_status;
2237 	int report;
2238 
2239 	jack_status = snd_soc_component_read(component, DA7218_EVENT_STATUS);
2240 
2241 	if (jack_status & DA7218_HPLDET_JACK_STS_MASK)
2242 		report = SND_JACK_HEADPHONE;
2243 	else
2244 		report = 0;
2245 
2246 	snd_soc_jack_report(da7218->jack, report, SND_JACK_HEADPHONE);
2247 }
2248 
2249 /*
2250  * IRQ
2251  */
2252 
da7218_irq_thread(int irq,void * data)2253 static irqreturn_t da7218_irq_thread(int irq, void *data)
2254 {
2255 	struct snd_soc_component *component = data;
2256 	u8 status;
2257 
2258 	/* Read IRQ status reg */
2259 	status = snd_soc_component_read(component, DA7218_EVENT);
2260 	if (!status)
2261 		return IRQ_NONE;
2262 
2263 	/* Mic level detect */
2264 	if (status & DA7218_LVL_DET_EVENT_MASK)
2265 		da7218_micldet_irq(component);
2266 
2267 	/* HP detect */
2268 	if (status & DA7218_HPLDET_JACK_EVENT_MASK)
2269 		da7218_hpldet_irq(component);
2270 
2271 	/* Clear interrupts */
2272 	snd_soc_component_write(component, DA7218_EVENT, status);
2273 
2274 	return IRQ_HANDLED;
2275 }
2276 
2277 /*
2278  * DT
2279  */
2280 
2281 static const struct of_device_id da7218_of_match[] = {
2282 	{ .compatible = "dlg,da7217", .data = (void *) DA7217_DEV_ID },
2283 	{ .compatible = "dlg,da7218", .data = (void *) DA7218_DEV_ID },
2284 	{ }
2285 };
2286 MODULE_DEVICE_TABLE(of, da7218_of_match);
2287 
da7218_of_get_id(struct device * dev)2288 static inline int da7218_of_get_id(struct device *dev)
2289 {
2290 	const struct of_device_id *id = of_match_device(da7218_of_match, dev);
2291 
2292 	if (id)
2293 		return (uintptr_t)id->data;
2294 	else
2295 		return -EINVAL;
2296 }
2297 
2298 static enum da7218_micbias_voltage
da7218_of_micbias_lvl(struct snd_soc_component * component,u32 val)2299 	da7218_of_micbias_lvl(struct snd_soc_component *component, u32 val)
2300 {
2301 	switch (val) {
2302 	case 1200:
2303 		return DA7218_MICBIAS_1_2V;
2304 	case 1600:
2305 		return DA7218_MICBIAS_1_6V;
2306 	case 1800:
2307 		return DA7218_MICBIAS_1_8V;
2308 	case 2000:
2309 		return DA7218_MICBIAS_2_0V;
2310 	case 2200:
2311 		return DA7218_MICBIAS_2_2V;
2312 	case 2400:
2313 		return DA7218_MICBIAS_2_4V;
2314 	case 2600:
2315 		return DA7218_MICBIAS_2_6V;
2316 	case 2800:
2317 		return DA7218_MICBIAS_2_8V;
2318 	case 3000:
2319 		return DA7218_MICBIAS_3_0V;
2320 	default:
2321 		dev_warn(component->dev, "Invalid micbias level");
2322 		return DA7218_MICBIAS_1_6V;
2323 	}
2324 }
2325 
2326 static enum da7218_mic_amp_in_sel
da7218_of_mic_amp_in_sel(struct snd_soc_component * component,const char * str)2327 	da7218_of_mic_amp_in_sel(struct snd_soc_component *component, const char *str)
2328 {
2329 	if (!strcmp(str, "diff")) {
2330 		return DA7218_MIC_AMP_IN_SEL_DIFF;
2331 	} else if (!strcmp(str, "se_p")) {
2332 		return DA7218_MIC_AMP_IN_SEL_SE_P;
2333 	} else if (!strcmp(str, "se_n")) {
2334 		return DA7218_MIC_AMP_IN_SEL_SE_N;
2335 	} else {
2336 		dev_warn(component->dev, "Invalid mic input type selection");
2337 		return DA7218_MIC_AMP_IN_SEL_DIFF;
2338 	}
2339 }
2340 
2341 static enum da7218_dmic_data_sel
da7218_of_dmic_data_sel(struct snd_soc_component * component,const char * str)2342 	da7218_of_dmic_data_sel(struct snd_soc_component *component, const char *str)
2343 {
2344 	if (!strcmp(str, "lrise_rfall")) {
2345 		return DA7218_DMIC_DATA_LRISE_RFALL;
2346 	} else if (!strcmp(str, "lfall_rrise")) {
2347 		return DA7218_DMIC_DATA_LFALL_RRISE;
2348 	} else {
2349 		dev_warn(component->dev, "Invalid DMIC data type selection");
2350 		return DA7218_DMIC_DATA_LRISE_RFALL;
2351 	}
2352 }
2353 
2354 static enum da7218_dmic_samplephase
da7218_of_dmic_samplephase(struct snd_soc_component * component,const char * str)2355 	da7218_of_dmic_samplephase(struct snd_soc_component *component, const char *str)
2356 {
2357 	if (!strcmp(str, "on_clkedge")) {
2358 		return DA7218_DMIC_SAMPLE_ON_CLKEDGE;
2359 	} else if (!strcmp(str, "between_clkedge")) {
2360 		return DA7218_DMIC_SAMPLE_BETWEEN_CLKEDGE;
2361 	} else {
2362 		dev_warn(component->dev, "Invalid DMIC sample phase");
2363 		return DA7218_DMIC_SAMPLE_ON_CLKEDGE;
2364 	}
2365 }
2366 
2367 static enum da7218_dmic_clk_rate
da7218_of_dmic_clkrate(struct snd_soc_component * component,u32 val)2368 	da7218_of_dmic_clkrate(struct snd_soc_component *component, u32 val)
2369 {
2370 	switch (val) {
2371 	case 1500000:
2372 		return DA7218_DMIC_CLK_1_5MHZ;
2373 	case 3000000:
2374 		return DA7218_DMIC_CLK_3_0MHZ;
2375 	default:
2376 		dev_warn(component->dev, "Invalid DMIC clock rate");
2377 		return DA7218_DMIC_CLK_3_0MHZ;
2378 	}
2379 }
2380 
2381 static enum da7218_hpldet_jack_rate
da7218_of_jack_rate(struct snd_soc_component * component,u32 val)2382 	da7218_of_jack_rate(struct snd_soc_component *component, u32 val)
2383 {
2384 	switch (val) {
2385 	case 5:
2386 		return DA7218_HPLDET_JACK_RATE_5US;
2387 	case 10:
2388 		return DA7218_HPLDET_JACK_RATE_10US;
2389 	case 20:
2390 		return DA7218_HPLDET_JACK_RATE_20US;
2391 	case 40:
2392 		return DA7218_HPLDET_JACK_RATE_40US;
2393 	case 80:
2394 		return DA7218_HPLDET_JACK_RATE_80US;
2395 	case 160:
2396 		return DA7218_HPLDET_JACK_RATE_160US;
2397 	case 320:
2398 		return DA7218_HPLDET_JACK_RATE_320US;
2399 	case 640:
2400 		return DA7218_HPLDET_JACK_RATE_640US;
2401 	default:
2402 		dev_warn(component->dev, "Invalid jack detect rate");
2403 		return DA7218_HPLDET_JACK_RATE_40US;
2404 	}
2405 }
2406 
2407 static enum da7218_hpldet_jack_debounce
da7218_of_jack_debounce(struct snd_soc_component * component,u32 val)2408 	da7218_of_jack_debounce(struct snd_soc_component *component, u32 val)
2409 {
2410 	switch (val) {
2411 	case 0:
2412 		return DA7218_HPLDET_JACK_DEBOUNCE_OFF;
2413 	case 2:
2414 		return DA7218_HPLDET_JACK_DEBOUNCE_2;
2415 	case 3:
2416 		return DA7218_HPLDET_JACK_DEBOUNCE_3;
2417 	case 4:
2418 		return DA7218_HPLDET_JACK_DEBOUNCE_4;
2419 	default:
2420 		dev_warn(component->dev, "Invalid jack debounce");
2421 		return DA7218_HPLDET_JACK_DEBOUNCE_2;
2422 	}
2423 }
2424 
2425 static enum da7218_hpldet_jack_thr
da7218_of_jack_thr(struct snd_soc_component * component,u32 val)2426 	da7218_of_jack_thr(struct snd_soc_component *component, u32 val)
2427 {
2428 	switch (val) {
2429 	case 84:
2430 		return DA7218_HPLDET_JACK_THR_84PCT;
2431 	case 88:
2432 		return DA7218_HPLDET_JACK_THR_88PCT;
2433 	case 92:
2434 		return DA7218_HPLDET_JACK_THR_92PCT;
2435 	case 96:
2436 		return DA7218_HPLDET_JACK_THR_96PCT;
2437 	default:
2438 		dev_warn(component->dev, "Invalid jack threshold level");
2439 		return DA7218_HPLDET_JACK_THR_84PCT;
2440 	}
2441 }
2442 
da7218_of_to_pdata(struct snd_soc_component * component)2443 static struct da7218_pdata *da7218_of_to_pdata(struct snd_soc_component *component)
2444 {
2445 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
2446 	struct device_node *np = component->dev->of_node;
2447 	struct device_node *hpldet_np;
2448 	struct da7218_pdata *pdata;
2449 	struct da7218_hpldet_pdata *hpldet_pdata;
2450 	const char *of_str;
2451 	u32 of_val32;
2452 
2453 	pdata = devm_kzalloc(component->dev, sizeof(*pdata), GFP_KERNEL);
2454 	if (!pdata)
2455 		return NULL;
2456 
2457 	if (of_property_read_u32(np, "dlg,micbias1-lvl-millivolt", &of_val32) >= 0)
2458 		pdata->micbias1_lvl = da7218_of_micbias_lvl(component, of_val32);
2459 	else
2460 		pdata->micbias1_lvl = DA7218_MICBIAS_1_6V;
2461 
2462 	if (of_property_read_u32(np, "dlg,micbias2-lvl-millivolt", &of_val32) >= 0)
2463 		pdata->micbias2_lvl = da7218_of_micbias_lvl(component, of_val32);
2464 	else
2465 		pdata->micbias2_lvl = DA7218_MICBIAS_1_6V;
2466 
2467 	if (!of_property_read_string(np, "dlg,mic1-amp-in-sel", &of_str))
2468 		pdata->mic1_amp_in_sel =
2469 			da7218_of_mic_amp_in_sel(component, of_str);
2470 	else
2471 		pdata->mic1_amp_in_sel = DA7218_MIC_AMP_IN_SEL_DIFF;
2472 
2473 	if (!of_property_read_string(np, "dlg,mic2-amp-in-sel", &of_str))
2474 		pdata->mic2_amp_in_sel =
2475 			da7218_of_mic_amp_in_sel(component, of_str);
2476 	else
2477 		pdata->mic2_amp_in_sel = DA7218_MIC_AMP_IN_SEL_DIFF;
2478 
2479 	if (!of_property_read_string(np, "dlg,dmic1-data-sel", &of_str))
2480 		pdata->dmic1_data_sel =	da7218_of_dmic_data_sel(component, of_str);
2481 	else
2482 		pdata->dmic1_data_sel =	DA7218_DMIC_DATA_LRISE_RFALL;
2483 
2484 	if (!of_property_read_string(np, "dlg,dmic1-samplephase", &of_str))
2485 		pdata->dmic1_samplephase =
2486 			da7218_of_dmic_samplephase(component, of_str);
2487 	else
2488 		pdata->dmic1_samplephase = DA7218_DMIC_SAMPLE_ON_CLKEDGE;
2489 
2490 	if (of_property_read_u32(np, "dlg,dmic1-clkrate-hz", &of_val32) >= 0)
2491 		pdata->dmic1_clk_rate = da7218_of_dmic_clkrate(component, of_val32);
2492 	else
2493 		pdata->dmic1_clk_rate = DA7218_DMIC_CLK_3_0MHZ;
2494 
2495 	if (!of_property_read_string(np, "dlg,dmic2-data-sel", &of_str))
2496 		pdata->dmic2_data_sel = da7218_of_dmic_data_sel(component, of_str);
2497 	else
2498 		pdata->dmic2_data_sel =	DA7218_DMIC_DATA_LRISE_RFALL;
2499 
2500 	if (!of_property_read_string(np, "dlg,dmic2-samplephase", &of_str))
2501 		pdata->dmic2_samplephase =
2502 			da7218_of_dmic_samplephase(component, of_str);
2503 	else
2504 		pdata->dmic2_samplephase = DA7218_DMIC_SAMPLE_ON_CLKEDGE;
2505 
2506 	if (of_property_read_u32(np, "dlg,dmic2-clkrate-hz", &of_val32) >= 0)
2507 		pdata->dmic2_clk_rate = da7218_of_dmic_clkrate(component, of_val32);
2508 	else
2509 		pdata->dmic2_clk_rate = DA7218_DMIC_CLK_3_0MHZ;
2510 
2511 	if (da7218->dev_id == DA7217_DEV_ID) {
2512 		if (of_property_read_bool(np, "dlg,hp-diff-single-supply"))
2513 			pdata->hp_diff_single_supply = true;
2514 	}
2515 
2516 	if (da7218->dev_id == DA7218_DEV_ID) {
2517 		hpldet_np = of_get_child_by_name(np, "da7218_hpldet");
2518 		if (!hpldet_np)
2519 			return pdata;
2520 
2521 		hpldet_pdata = devm_kzalloc(component->dev, sizeof(*hpldet_pdata),
2522 					    GFP_KERNEL);
2523 		if (!hpldet_pdata) {
2524 			of_node_put(hpldet_np);
2525 			return pdata;
2526 		}
2527 		pdata->hpldet_pdata = hpldet_pdata;
2528 
2529 		if (of_property_read_u32(hpldet_np, "dlg,jack-rate-us",
2530 					 &of_val32) >= 0)
2531 			hpldet_pdata->jack_rate =
2532 				da7218_of_jack_rate(component, of_val32);
2533 		else
2534 			hpldet_pdata->jack_rate = DA7218_HPLDET_JACK_RATE_40US;
2535 
2536 		if (of_property_read_u32(hpldet_np, "dlg,jack-debounce",
2537 					 &of_val32) >= 0)
2538 			hpldet_pdata->jack_debounce =
2539 				da7218_of_jack_debounce(component, of_val32);
2540 		else
2541 			hpldet_pdata->jack_debounce =
2542 				DA7218_HPLDET_JACK_DEBOUNCE_2;
2543 
2544 		if (of_property_read_u32(hpldet_np, "dlg,jack-threshold-pct",
2545 					 &of_val32) >= 0)
2546 			hpldet_pdata->jack_thr =
2547 				da7218_of_jack_thr(component, of_val32);
2548 		else
2549 			hpldet_pdata->jack_thr = DA7218_HPLDET_JACK_THR_84PCT;
2550 
2551 		if (of_property_read_bool(hpldet_np, "dlg,comp-inv"))
2552 			hpldet_pdata->comp_inv = true;
2553 
2554 		if (of_property_read_bool(hpldet_np, "dlg,hyst"))
2555 			hpldet_pdata->hyst = true;
2556 
2557 		if (of_property_read_bool(hpldet_np, "dlg,discharge"))
2558 			hpldet_pdata->discharge = true;
2559 
2560 		of_node_put(hpldet_np);
2561 	}
2562 
2563 	return pdata;
2564 }
2565 
2566 
2567 /*
2568  * Codec driver functions
2569  */
2570 
da7218_set_bias_level(struct snd_soc_component * component,enum snd_soc_bias_level level)2571 static int da7218_set_bias_level(struct snd_soc_component *component,
2572 				 enum snd_soc_bias_level level)
2573 {
2574 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
2575 	int ret;
2576 
2577 	switch (level) {
2578 	case SND_SOC_BIAS_ON:
2579 		break;
2580 	case SND_SOC_BIAS_PREPARE:
2581 		/* Enable MCLK for transition to ON state */
2582 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY) {
2583 			if (da7218->mclk) {
2584 				ret = clk_prepare_enable(da7218->mclk);
2585 				if (ret) {
2586 					dev_err(component->dev, "Failed to enable mclk\n");
2587 					return ret;
2588 				}
2589 			}
2590 		}
2591 
2592 		break;
2593 	case SND_SOC_BIAS_STANDBY:
2594 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
2595 			/* Master bias */
2596 			snd_soc_component_update_bits(component, DA7218_REFERENCES,
2597 					    DA7218_BIAS_EN_MASK,
2598 					    DA7218_BIAS_EN_MASK);
2599 
2600 			/* Internal LDO */
2601 			snd_soc_component_update_bits(component, DA7218_LDO_CTRL,
2602 					    DA7218_LDO_EN_MASK,
2603 					    DA7218_LDO_EN_MASK);
2604 		} else {
2605 			/* Remove MCLK */
2606 			if (da7218->mclk)
2607 				clk_disable_unprepare(da7218->mclk);
2608 		}
2609 		break;
2610 	case SND_SOC_BIAS_OFF:
2611 		/* Only disable if jack detection disabled */
2612 		if (!da7218->jack) {
2613 			/* Internal LDO */
2614 			snd_soc_component_update_bits(component, DA7218_LDO_CTRL,
2615 					    DA7218_LDO_EN_MASK, 0);
2616 
2617 			/* Master bias */
2618 			snd_soc_component_update_bits(component, DA7218_REFERENCES,
2619 					    DA7218_BIAS_EN_MASK, 0);
2620 		}
2621 		break;
2622 	}
2623 
2624 	return 0;
2625 }
2626 
2627 static const char *da7218_supply_names[DA7218_NUM_SUPPLIES] = {
2628 	[DA7218_SUPPLY_VDD] = "VDD",
2629 	[DA7218_SUPPLY_VDDMIC] = "VDDMIC",
2630 	[DA7218_SUPPLY_VDDIO] = "VDDIO",
2631 };
2632 
da7218_handle_supplies(struct snd_soc_component * component)2633 static int da7218_handle_supplies(struct snd_soc_component *component)
2634 {
2635 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
2636 	struct regulator *vddio;
2637 	u8 io_voltage_lvl = DA7218_IO_VOLTAGE_LEVEL_2_5V_3_6V;
2638 	int i, ret;
2639 
2640 	/* Get required supplies */
2641 	for (i = 0; i < DA7218_NUM_SUPPLIES; ++i)
2642 		da7218->supplies[i].supply = da7218_supply_names[i];
2643 
2644 	ret = devm_regulator_bulk_get(component->dev, DA7218_NUM_SUPPLIES,
2645 				      da7218->supplies);
2646 	if (ret) {
2647 		dev_err(component->dev, "Failed to get supplies\n");
2648 		return ret;
2649 	}
2650 
2651 	/* Determine VDDIO voltage provided */
2652 	vddio = da7218->supplies[DA7218_SUPPLY_VDDIO].consumer;
2653 	ret = regulator_get_voltage(vddio);
2654 	if (ret < 1500000)
2655 		dev_warn(component->dev, "Invalid VDDIO voltage\n");
2656 	else if (ret < 2500000)
2657 		io_voltage_lvl = DA7218_IO_VOLTAGE_LEVEL_1_5V_2_5V;
2658 
2659 	/* Enable main supplies */
2660 	ret = regulator_bulk_enable(DA7218_NUM_SUPPLIES, da7218->supplies);
2661 	if (ret) {
2662 		dev_err(component->dev, "Failed to enable supplies\n");
2663 		return ret;
2664 	}
2665 
2666 	/* Ensure device in active mode */
2667 	snd_soc_component_write(component, DA7218_SYSTEM_ACTIVE, DA7218_SYSTEM_ACTIVE_MASK);
2668 
2669 	/* Update IO voltage level range */
2670 	snd_soc_component_write(component, DA7218_IO_CTRL, io_voltage_lvl);
2671 
2672 	return 0;
2673 }
2674 
da7218_handle_pdata(struct snd_soc_component * component)2675 static void da7218_handle_pdata(struct snd_soc_component *component)
2676 {
2677 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
2678 	struct da7218_pdata *pdata = da7218->pdata;
2679 
2680 	if (pdata) {
2681 		u8 micbias_lvl = 0, dmic_cfg = 0;
2682 
2683 		/* Mic Bias voltages */
2684 		switch (pdata->micbias1_lvl) {
2685 		case DA7218_MICBIAS_1_2V:
2686 			micbias_lvl |= DA7218_MICBIAS_1_LP_MODE_MASK;
2687 			break;
2688 		case DA7218_MICBIAS_1_6V:
2689 		case DA7218_MICBIAS_1_8V:
2690 		case DA7218_MICBIAS_2_0V:
2691 		case DA7218_MICBIAS_2_2V:
2692 		case DA7218_MICBIAS_2_4V:
2693 		case DA7218_MICBIAS_2_6V:
2694 		case DA7218_MICBIAS_2_8V:
2695 		case DA7218_MICBIAS_3_0V:
2696 			micbias_lvl |= (pdata->micbias1_lvl <<
2697 					DA7218_MICBIAS_1_LEVEL_SHIFT);
2698 			break;
2699 		}
2700 
2701 		switch (pdata->micbias2_lvl) {
2702 		case DA7218_MICBIAS_1_2V:
2703 			micbias_lvl |= DA7218_MICBIAS_2_LP_MODE_MASK;
2704 			break;
2705 		case DA7218_MICBIAS_1_6V:
2706 		case DA7218_MICBIAS_1_8V:
2707 		case DA7218_MICBIAS_2_0V:
2708 		case DA7218_MICBIAS_2_2V:
2709 		case DA7218_MICBIAS_2_4V:
2710 		case DA7218_MICBIAS_2_6V:
2711 		case DA7218_MICBIAS_2_8V:
2712 		case DA7218_MICBIAS_3_0V:
2713 			micbias_lvl |= (pdata->micbias2_lvl <<
2714 					 DA7218_MICBIAS_2_LEVEL_SHIFT);
2715 			break;
2716 		}
2717 
2718 		snd_soc_component_write(component, DA7218_MICBIAS_CTRL, micbias_lvl);
2719 
2720 		/* Mic */
2721 		switch (pdata->mic1_amp_in_sel) {
2722 		case DA7218_MIC_AMP_IN_SEL_DIFF:
2723 		case DA7218_MIC_AMP_IN_SEL_SE_P:
2724 		case DA7218_MIC_AMP_IN_SEL_SE_N:
2725 			snd_soc_component_write(component, DA7218_MIC_1_SELECT,
2726 				      pdata->mic1_amp_in_sel);
2727 			break;
2728 		}
2729 
2730 		switch (pdata->mic2_amp_in_sel) {
2731 		case DA7218_MIC_AMP_IN_SEL_DIFF:
2732 		case DA7218_MIC_AMP_IN_SEL_SE_P:
2733 		case DA7218_MIC_AMP_IN_SEL_SE_N:
2734 			snd_soc_component_write(component, DA7218_MIC_2_SELECT,
2735 				      pdata->mic2_amp_in_sel);
2736 			break;
2737 		}
2738 
2739 		/* DMic */
2740 		switch (pdata->dmic1_data_sel) {
2741 		case DA7218_DMIC_DATA_LFALL_RRISE:
2742 		case DA7218_DMIC_DATA_LRISE_RFALL:
2743 			dmic_cfg |= (pdata->dmic1_data_sel <<
2744 				     DA7218_DMIC_1_DATA_SEL_SHIFT);
2745 			break;
2746 		}
2747 
2748 		switch (pdata->dmic1_samplephase) {
2749 		case DA7218_DMIC_SAMPLE_ON_CLKEDGE:
2750 		case DA7218_DMIC_SAMPLE_BETWEEN_CLKEDGE:
2751 			dmic_cfg |= (pdata->dmic1_samplephase <<
2752 				     DA7218_DMIC_1_SAMPLEPHASE_SHIFT);
2753 			break;
2754 		}
2755 
2756 		switch (pdata->dmic1_clk_rate) {
2757 		case DA7218_DMIC_CLK_3_0MHZ:
2758 		case DA7218_DMIC_CLK_1_5MHZ:
2759 			dmic_cfg |= (pdata->dmic1_clk_rate <<
2760 				     DA7218_DMIC_1_CLK_RATE_SHIFT);
2761 			break;
2762 		}
2763 
2764 		snd_soc_component_update_bits(component, DA7218_DMIC_1_CTRL,
2765 				    DA7218_DMIC_1_DATA_SEL_MASK |
2766 				    DA7218_DMIC_1_SAMPLEPHASE_MASK |
2767 				    DA7218_DMIC_1_CLK_RATE_MASK, dmic_cfg);
2768 
2769 		dmic_cfg = 0;
2770 		switch (pdata->dmic2_data_sel) {
2771 		case DA7218_DMIC_DATA_LFALL_RRISE:
2772 		case DA7218_DMIC_DATA_LRISE_RFALL:
2773 			dmic_cfg |= (pdata->dmic2_data_sel <<
2774 				     DA7218_DMIC_2_DATA_SEL_SHIFT);
2775 			break;
2776 		}
2777 
2778 		switch (pdata->dmic2_samplephase) {
2779 		case DA7218_DMIC_SAMPLE_ON_CLKEDGE:
2780 		case DA7218_DMIC_SAMPLE_BETWEEN_CLKEDGE:
2781 			dmic_cfg |= (pdata->dmic2_samplephase <<
2782 				     DA7218_DMIC_2_SAMPLEPHASE_SHIFT);
2783 			break;
2784 		}
2785 
2786 		switch (pdata->dmic2_clk_rate) {
2787 		case DA7218_DMIC_CLK_3_0MHZ:
2788 		case DA7218_DMIC_CLK_1_5MHZ:
2789 			dmic_cfg |= (pdata->dmic2_clk_rate <<
2790 				     DA7218_DMIC_2_CLK_RATE_SHIFT);
2791 			break;
2792 		}
2793 
2794 		snd_soc_component_update_bits(component, DA7218_DMIC_2_CTRL,
2795 				    DA7218_DMIC_2_DATA_SEL_MASK |
2796 				    DA7218_DMIC_2_SAMPLEPHASE_MASK |
2797 				    DA7218_DMIC_2_CLK_RATE_MASK, dmic_cfg);
2798 
2799 		/* DA7217 Specific */
2800 		if (da7218->dev_id == DA7217_DEV_ID) {
2801 			da7218->hp_single_supply =
2802 				pdata->hp_diff_single_supply;
2803 
2804 			if (da7218->hp_single_supply) {
2805 				snd_soc_component_write(component, DA7218_HP_DIFF_UNLOCK,
2806 					      DA7218_HP_DIFF_UNLOCK_VAL);
2807 				snd_soc_component_update_bits(component, DA7218_HP_DIFF_CTRL,
2808 						    DA7218_HP_AMP_SINGLE_SUPPLY_EN_MASK,
2809 						    DA7218_HP_AMP_SINGLE_SUPPLY_EN_MASK);
2810 			}
2811 		}
2812 
2813 		/* DA7218 Specific */
2814 		if ((da7218->dev_id == DA7218_DEV_ID) &&
2815 		    (pdata->hpldet_pdata)) {
2816 			struct da7218_hpldet_pdata *hpldet_pdata =
2817 				pdata->hpldet_pdata;
2818 			u8 hpldet_cfg = 0;
2819 
2820 			switch (hpldet_pdata->jack_rate) {
2821 			case DA7218_HPLDET_JACK_RATE_5US:
2822 			case DA7218_HPLDET_JACK_RATE_10US:
2823 			case DA7218_HPLDET_JACK_RATE_20US:
2824 			case DA7218_HPLDET_JACK_RATE_40US:
2825 			case DA7218_HPLDET_JACK_RATE_80US:
2826 			case DA7218_HPLDET_JACK_RATE_160US:
2827 			case DA7218_HPLDET_JACK_RATE_320US:
2828 			case DA7218_HPLDET_JACK_RATE_640US:
2829 				hpldet_cfg |=
2830 					(hpldet_pdata->jack_rate <<
2831 					 DA7218_HPLDET_JACK_RATE_SHIFT);
2832 				break;
2833 			}
2834 
2835 			switch (hpldet_pdata->jack_debounce) {
2836 			case DA7218_HPLDET_JACK_DEBOUNCE_OFF:
2837 			case DA7218_HPLDET_JACK_DEBOUNCE_2:
2838 			case DA7218_HPLDET_JACK_DEBOUNCE_3:
2839 			case DA7218_HPLDET_JACK_DEBOUNCE_4:
2840 				hpldet_cfg |=
2841 					(hpldet_pdata->jack_debounce <<
2842 					 DA7218_HPLDET_JACK_DEBOUNCE_SHIFT);
2843 				break;
2844 			}
2845 
2846 			switch (hpldet_pdata->jack_thr) {
2847 			case DA7218_HPLDET_JACK_THR_84PCT:
2848 			case DA7218_HPLDET_JACK_THR_88PCT:
2849 			case DA7218_HPLDET_JACK_THR_92PCT:
2850 			case DA7218_HPLDET_JACK_THR_96PCT:
2851 				hpldet_cfg |=
2852 					(hpldet_pdata->jack_thr <<
2853 					 DA7218_HPLDET_JACK_THR_SHIFT);
2854 				break;
2855 			}
2856 			snd_soc_component_update_bits(component, DA7218_HPLDET_JACK,
2857 					    DA7218_HPLDET_JACK_RATE_MASK |
2858 					    DA7218_HPLDET_JACK_DEBOUNCE_MASK |
2859 					    DA7218_HPLDET_JACK_THR_MASK,
2860 					    hpldet_cfg);
2861 
2862 			hpldet_cfg = 0;
2863 			if (hpldet_pdata->comp_inv)
2864 				hpldet_cfg |= DA7218_HPLDET_COMP_INV_MASK;
2865 
2866 			if (hpldet_pdata->hyst)
2867 				hpldet_cfg |= DA7218_HPLDET_HYST_EN_MASK;
2868 
2869 			if (hpldet_pdata->discharge)
2870 				hpldet_cfg |= DA7218_HPLDET_DISCHARGE_EN_MASK;
2871 
2872 			snd_soc_component_write(component, DA7218_HPLDET_CTRL, hpldet_cfg);
2873 		}
2874 	}
2875 }
2876 
da7218_probe(struct snd_soc_component * component)2877 static int da7218_probe(struct snd_soc_component *component)
2878 {
2879 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
2880 	int ret;
2881 
2882 	/* Regulator configuration */
2883 	ret = da7218_handle_supplies(component);
2884 	if (ret)
2885 		return ret;
2886 
2887 	/* Handle DT/Platform data */
2888 	if (component->dev->of_node)
2889 		da7218->pdata = da7218_of_to_pdata(component);
2890 	else
2891 		da7218->pdata = dev_get_platdata(component->dev);
2892 
2893 	da7218_handle_pdata(component);
2894 
2895 	/* Check if MCLK provided, if not the clock is NULL */
2896 	da7218->mclk = devm_clk_get(component->dev, "mclk");
2897 	if (IS_ERR(da7218->mclk)) {
2898 		if (PTR_ERR(da7218->mclk) != -ENOENT) {
2899 			ret = PTR_ERR(da7218->mclk);
2900 			goto err_disable_reg;
2901 		} else {
2902 			da7218->mclk = NULL;
2903 		}
2904 	}
2905 
2906 	/* Default PC to free-running */
2907 	snd_soc_component_write(component, DA7218_PC_COUNT, DA7218_PC_FREERUN_MASK);
2908 
2909 	/*
2910 	 * Default Output Filter mixers to off otherwise DAPM will power
2911 	 * Mic to HP passthrough paths by default at startup.
2912 	 */
2913 	snd_soc_component_write(component, DA7218_DROUTING_OUTFILT_1L, 0);
2914 	snd_soc_component_write(component, DA7218_DROUTING_OUTFILT_1R, 0);
2915 
2916 	/* Default CP to normal load, power mode */
2917 	snd_soc_component_update_bits(component, DA7218_CP_CTRL,
2918 			    DA7218_CP_SMALL_SWITCH_FREQ_EN_MASK, 0);
2919 
2920 	/* Default gain ramping */
2921 	snd_soc_component_update_bits(component, DA7218_MIXIN_1_CTRL,
2922 			    DA7218_MIXIN_1_AMP_RAMP_EN_MASK,
2923 			    DA7218_MIXIN_1_AMP_RAMP_EN_MASK);
2924 	snd_soc_component_update_bits(component, DA7218_MIXIN_2_CTRL,
2925 			    DA7218_MIXIN_2_AMP_RAMP_EN_MASK,
2926 			    DA7218_MIXIN_2_AMP_RAMP_EN_MASK);
2927 	snd_soc_component_update_bits(component, DA7218_IN_1L_FILTER_CTRL,
2928 			    DA7218_IN_1L_RAMP_EN_MASK,
2929 			    DA7218_IN_1L_RAMP_EN_MASK);
2930 	snd_soc_component_update_bits(component, DA7218_IN_1R_FILTER_CTRL,
2931 			    DA7218_IN_1R_RAMP_EN_MASK,
2932 			    DA7218_IN_1R_RAMP_EN_MASK);
2933 	snd_soc_component_update_bits(component, DA7218_IN_2L_FILTER_CTRL,
2934 			    DA7218_IN_2L_RAMP_EN_MASK,
2935 			    DA7218_IN_2L_RAMP_EN_MASK);
2936 	snd_soc_component_update_bits(component, DA7218_IN_2R_FILTER_CTRL,
2937 			    DA7218_IN_2R_RAMP_EN_MASK,
2938 			    DA7218_IN_2R_RAMP_EN_MASK);
2939 	snd_soc_component_update_bits(component, DA7218_DGS_GAIN_CTRL,
2940 			    DA7218_DGS_RAMP_EN_MASK, DA7218_DGS_RAMP_EN_MASK);
2941 	snd_soc_component_update_bits(component, DA7218_OUT_1L_FILTER_CTRL,
2942 			    DA7218_OUT_1L_RAMP_EN_MASK,
2943 			    DA7218_OUT_1L_RAMP_EN_MASK);
2944 	snd_soc_component_update_bits(component, DA7218_OUT_1R_FILTER_CTRL,
2945 			    DA7218_OUT_1R_RAMP_EN_MASK,
2946 			    DA7218_OUT_1R_RAMP_EN_MASK);
2947 	snd_soc_component_update_bits(component, DA7218_HP_L_CTRL,
2948 			    DA7218_HP_L_AMP_RAMP_EN_MASK,
2949 			    DA7218_HP_L_AMP_RAMP_EN_MASK);
2950 	snd_soc_component_update_bits(component, DA7218_HP_R_CTRL,
2951 			    DA7218_HP_R_AMP_RAMP_EN_MASK,
2952 			    DA7218_HP_R_AMP_RAMP_EN_MASK);
2953 
2954 	/* Default infinite tone gen, start/stop by Kcontrol */
2955 	snd_soc_component_write(component, DA7218_TONE_GEN_CYCLES, DA7218_BEEP_CYCLES_MASK);
2956 
2957 	/* DA7217 specific config */
2958 	if (da7218->dev_id == DA7217_DEV_ID) {
2959 		snd_soc_component_update_bits(component, DA7218_HP_DIFF_CTRL,
2960 				    DA7218_HP_AMP_DIFF_MODE_EN_MASK,
2961 				    DA7218_HP_AMP_DIFF_MODE_EN_MASK);
2962 
2963 		/* Only DA7218 supports HP detect, mask off for DA7217 */
2964 		snd_soc_component_write(component, DA7218_EVENT_MASK,
2965 			      DA7218_HPLDET_JACK_EVENT_IRQ_MSK_MASK);
2966 	}
2967 
2968 	if (da7218->irq) {
2969 		ret = devm_request_threaded_irq(component->dev, da7218->irq, NULL,
2970 						da7218_irq_thread,
2971 						IRQF_TRIGGER_LOW | IRQF_ONESHOT,
2972 						"da7218", component);
2973 		if (ret != 0) {
2974 			dev_err(component->dev, "Failed to request IRQ %d: %d\n",
2975 				da7218->irq, ret);
2976 			goto err_disable_reg;
2977 		}
2978 
2979 	}
2980 
2981 	return 0;
2982 
2983 err_disable_reg:
2984 	regulator_bulk_disable(DA7218_NUM_SUPPLIES, da7218->supplies);
2985 
2986 	return ret;
2987 }
2988 
da7218_remove(struct snd_soc_component * component)2989 static void da7218_remove(struct snd_soc_component *component)
2990 {
2991 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
2992 
2993 	regulator_bulk_disable(DA7218_NUM_SUPPLIES, da7218->supplies);
2994 }
2995 
2996 #ifdef CONFIG_PM
da7218_suspend(struct snd_soc_component * component)2997 static int da7218_suspend(struct snd_soc_component *component)
2998 {
2999 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
3000 
3001 	da7218_set_bias_level(component, SND_SOC_BIAS_OFF);
3002 
3003 	/* Put device into standby mode if jack detection disabled */
3004 	if (!da7218->jack)
3005 		snd_soc_component_write(component, DA7218_SYSTEM_ACTIVE, 0);
3006 
3007 	return 0;
3008 }
3009 
da7218_resume(struct snd_soc_component * component)3010 static int da7218_resume(struct snd_soc_component *component)
3011 {
3012 	struct da7218_priv *da7218 = snd_soc_component_get_drvdata(component);
3013 
3014 	/* Put device into active mode if previously moved to standby */
3015 	if (!da7218->jack)
3016 		snd_soc_component_write(component, DA7218_SYSTEM_ACTIVE,
3017 			      DA7218_SYSTEM_ACTIVE_MASK);
3018 
3019 	da7218_set_bias_level(component, SND_SOC_BIAS_STANDBY);
3020 
3021 	return 0;
3022 }
3023 #else
3024 #define da7218_suspend NULL
3025 #define da7218_resume NULL
3026 #endif
3027 
3028 static const struct snd_soc_component_driver soc_component_dev_da7218 = {
3029 	.probe			= da7218_probe,
3030 	.remove			= da7218_remove,
3031 	.suspend		= da7218_suspend,
3032 	.resume			= da7218_resume,
3033 	.set_bias_level		= da7218_set_bias_level,
3034 	.controls		= da7218_snd_controls,
3035 	.num_controls		= ARRAY_SIZE(da7218_snd_controls),
3036 	.dapm_widgets		= da7218_dapm_widgets,
3037 	.num_dapm_widgets	= ARRAY_SIZE(da7218_dapm_widgets),
3038 	.dapm_routes		= da7218_audio_map,
3039 	.num_dapm_routes	= ARRAY_SIZE(da7218_audio_map),
3040 	.idle_bias_on		= 1,
3041 	.use_pmdown_time	= 1,
3042 	.endianness		= 1,
3043 };
3044 
3045 
3046 /*
3047  * Regmap configs
3048  */
3049 
3050 static struct reg_default da7218_reg_defaults[] = {
3051 	{ DA7218_SYSTEM_ACTIVE, 0x00 },
3052 	{ DA7218_CIF_CTRL, 0x00 },
3053 	{ DA7218_SPARE1, 0x00 },
3054 	{ DA7218_SR, 0xAA },
3055 	{ DA7218_PC_COUNT, 0x02 },
3056 	{ DA7218_GAIN_RAMP_CTRL, 0x00 },
3057 	{ DA7218_CIF_TIMEOUT_CTRL, 0x01 },
3058 	{ DA7218_SYSTEM_MODES_INPUT, 0x00 },
3059 	{ DA7218_SYSTEM_MODES_OUTPUT, 0x00 },
3060 	{ DA7218_IN_1L_FILTER_CTRL, 0x00 },
3061 	{ DA7218_IN_1R_FILTER_CTRL, 0x00 },
3062 	{ DA7218_IN_2L_FILTER_CTRL, 0x00 },
3063 	{ DA7218_IN_2R_FILTER_CTRL, 0x00 },
3064 	{ DA7218_OUT_1L_FILTER_CTRL, 0x40 },
3065 	{ DA7218_OUT_1R_FILTER_CTRL, 0x40 },
3066 	{ DA7218_OUT_1_HPF_FILTER_CTRL, 0x80 },
3067 	{ DA7218_OUT_1_EQ_12_FILTER_CTRL, 0x77 },
3068 	{ DA7218_OUT_1_EQ_34_FILTER_CTRL, 0x77 },
3069 	{ DA7218_OUT_1_EQ_5_FILTER_CTRL, 0x07 },
3070 	{ DA7218_OUT_1_BIQ_5STAGE_CTRL, 0x40 },
3071 	{ DA7218_OUT_1_BIQ_5STAGE_DATA, 0x00 },
3072 	{ DA7218_OUT_1_BIQ_5STAGE_ADDR, 0x00 },
3073 	{ DA7218_MIXIN_1_CTRL, 0x48 },
3074 	{ DA7218_MIXIN_1_GAIN, 0x03 },
3075 	{ DA7218_MIXIN_2_CTRL, 0x48 },
3076 	{ DA7218_MIXIN_2_GAIN, 0x03 },
3077 	{ DA7218_ALC_CTRL1, 0x00 },
3078 	{ DA7218_ALC_CTRL2, 0x00 },
3079 	{ DA7218_ALC_CTRL3, 0x00 },
3080 	{ DA7218_ALC_NOISE, 0x3F },
3081 	{ DA7218_ALC_TARGET_MIN, 0x3F },
3082 	{ DA7218_ALC_TARGET_MAX, 0x00 },
3083 	{ DA7218_ALC_GAIN_LIMITS, 0xFF },
3084 	{ DA7218_ALC_ANA_GAIN_LIMITS, 0x71 },
3085 	{ DA7218_ALC_ANTICLIP_CTRL, 0x00 },
3086 	{ DA7218_AGS_ENABLE, 0x00 },
3087 	{ DA7218_AGS_TRIGGER, 0x09 },
3088 	{ DA7218_AGS_ATT_MAX, 0x00 },
3089 	{ DA7218_AGS_TIMEOUT, 0x00 },
3090 	{ DA7218_AGS_ANTICLIP_CTRL, 0x00 },
3091 	{ DA7218_ENV_TRACK_CTRL, 0x00 },
3092 	{ DA7218_LVL_DET_CTRL, 0x00 },
3093 	{ DA7218_LVL_DET_LEVEL, 0x7F },
3094 	{ DA7218_DGS_TRIGGER, 0x24 },
3095 	{ DA7218_DGS_ENABLE, 0x00 },
3096 	{ DA7218_DGS_RISE_FALL, 0x50 },
3097 	{ DA7218_DGS_SYNC_DELAY, 0xA3 },
3098 	{ DA7218_DGS_SYNC_DELAY2, 0x31 },
3099 	{ DA7218_DGS_SYNC_DELAY3, 0x11 },
3100 	{ DA7218_DGS_LEVELS, 0x01 },
3101 	{ DA7218_DGS_GAIN_CTRL, 0x74 },
3102 	{ DA7218_DROUTING_OUTDAI_1L, 0x01 },
3103 	{ DA7218_DMIX_OUTDAI_1L_INFILT_1L_GAIN, 0x1C },
3104 	{ DA7218_DMIX_OUTDAI_1L_INFILT_1R_GAIN, 0x1C },
3105 	{ DA7218_DMIX_OUTDAI_1L_INFILT_2L_GAIN, 0x1C },
3106 	{ DA7218_DMIX_OUTDAI_1L_INFILT_2R_GAIN, 0x1C },
3107 	{ DA7218_DMIX_OUTDAI_1L_TONEGEN_GAIN, 0x1C },
3108 	{ DA7218_DMIX_OUTDAI_1L_INDAI_1L_GAIN, 0x1C },
3109 	{ DA7218_DMIX_OUTDAI_1L_INDAI_1R_GAIN, 0x1C },
3110 	{ DA7218_DROUTING_OUTDAI_1R, 0x04 },
3111 	{ DA7218_DMIX_OUTDAI_1R_INFILT_1L_GAIN, 0x1C },
3112 	{ DA7218_DMIX_OUTDAI_1R_INFILT_1R_GAIN, 0x1C },
3113 	{ DA7218_DMIX_OUTDAI_1R_INFILT_2L_GAIN, 0x1C },
3114 	{ DA7218_DMIX_OUTDAI_1R_INFILT_2R_GAIN, 0x1C },
3115 	{ DA7218_DMIX_OUTDAI_1R_TONEGEN_GAIN, 0x1C },
3116 	{ DA7218_DMIX_OUTDAI_1R_INDAI_1L_GAIN, 0x1C },
3117 	{ DA7218_DMIX_OUTDAI_1R_INDAI_1R_GAIN, 0x1C },
3118 	{ DA7218_DROUTING_OUTFILT_1L, 0x01 },
3119 	{ DA7218_DMIX_OUTFILT_1L_INFILT_1L_GAIN, 0x1C },
3120 	{ DA7218_DMIX_OUTFILT_1L_INFILT_1R_GAIN, 0x1C },
3121 	{ DA7218_DMIX_OUTFILT_1L_INFILT_2L_GAIN, 0x1C },
3122 	{ DA7218_DMIX_OUTFILT_1L_INFILT_2R_GAIN, 0x1C },
3123 	{ DA7218_DMIX_OUTFILT_1L_TONEGEN_GAIN, 0x1C },
3124 	{ DA7218_DMIX_OUTFILT_1L_INDAI_1L_GAIN, 0x1C },
3125 	{ DA7218_DMIX_OUTFILT_1L_INDAI_1R_GAIN, 0x1C },
3126 	{ DA7218_DROUTING_OUTFILT_1R, 0x04 },
3127 	{ DA7218_DMIX_OUTFILT_1R_INFILT_1L_GAIN, 0x1C },
3128 	{ DA7218_DMIX_OUTFILT_1R_INFILT_1R_GAIN, 0x1C },
3129 	{ DA7218_DMIX_OUTFILT_1R_INFILT_2L_GAIN, 0x1C },
3130 	{ DA7218_DMIX_OUTFILT_1R_INFILT_2R_GAIN, 0x1C },
3131 	{ DA7218_DMIX_OUTFILT_1R_TONEGEN_GAIN, 0x1C },
3132 	{ DA7218_DMIX_OUTFILT_1R_INDAI_1L_GAIN, 0x1C },
3133 	{ DA7218_DMIX_OUTFILT_1R_INDAI_1R_GAIN, 0x1C },
3134 	{ DA7218_DROUTING_OUTDAI_2L, 0x04 },
3135 	{ DA7218_DMIX_OUTDAI_2L_INFILT_1L_GAIN, 0x1C },
3136 	{ DA7218_DMIX_OUTDAI_2L_INFILT_1R_GAIN, 0x1C },
3137 	{ DA7218_DMIX_OUTDAI_2L_INFILT_2L_GAIN, 0x1C },
3138 	{ DA7218_DMIX_OUTDAI_2L_INFILT_2R_GAIN, 0x1C },
3139 	{ DA7218_DMIX_OUTDAI_2L_TONEGEN_GAIN, 0x1C },
3140 	{ DA7218_DMIX_OUTDAI_2L_INDAI_1L_GAIN, 0x1C },
3141 	{ DA7218_DMIX_OUTDAI_2L_INDAI_1R_GAIN, 0x1C },
3142 	{ DA7218_DROUTING_OUTDAI_2R, 0x08 },
3143 	{ DA7218_DMIX_OUTDAI_2R_INFILT_1L_GAIN, 0x1C },
3144 	{ DA7218_DMIX_OUTDAI_2R_INFILT_1R_GAIN, 0x1C },
3145 	{ DA7218_DMIX_OUTDAI_2R_INFILT_2L_GAIN, 0x1C },
3146 	{ DA7218_DMIX_OUTDAI_2R_INFILT_2R_GAIN, 0x1C },
3147 	{ DA7218_DMIX_OUTDAI_2R_TONEGEN_GAIN, 0x1C },
3148 	{ DA7218_DMIX_OUTDAI_2R_INDAI_1L_GAIN, 0x1C },
3149 	{ DA7218_DMIX_OUTDAI_2R_INDAI_1R_GAIN, 0x1C },
3150 	{ DA7218_DAI_CTRL, 0x28 },
3151 	{ DA7218_DAI_TDM_CTRL, 0x40 },
3152 	{ DA7218_DAI_OFFSET_LOWER, 0x00 },
3153 	{ DA7218_DAI_OFFSET_UPPER, 0x00 },
3154 	{ DA7218_DAI_CLK_MODE, 0x01 },
3155 	{ DA7218_PLL_CTRL, 0x04 },
3156 	{ DA7218_PLL_FRAC_TOP, 0x00 },
3157 	{ DA7218_PLL_FRAC_BOT, 0x00 },
3158 	{ DA7218_PLL_INTEGER, 0x20 },
3159 	{ DA7218_DAC_NG_CTRL, 0x00 },
3160 	{ DA7218_DAC_NG_SETUP_TIME, 0x00 },
3161 	{ DA7218_DAC_NG_OFF_THRESH, 0x00 },
3162 	{ DA7218_DAC_NG_ON_THRESH, 0x00 },
3163 	{ DA7218_TONE_GEN_CFG2, 0x00 },
3164 	{ DA7218_TONE_GEN_FREQ1_L, 0x55 },
3165 	{ DA7218_TONE_GEN_FREQ1_U, 0x15 },
3166 	{ DA7218_TONE_GEN_FREQ2_L, 0x00 },
3167 	{ DA7218_TONE_GEN_FREQ2_U, 0x40 },
3168 	{ DA7218_TONE_GEN_CYCLES, 0x00 },
3169 	{ DA7218_TONE_GEN_ON_PER, 0x02 },
3170 	{ DA7218_TONE_GEN_OFF_PER, 0x01 },
3171 	{ DA7218_CP_CTRL, 0x60 },
3172 	{ DA7218_CP_DELAY, 0x11 },
3173 	{ DA7218_CP_VOL_THRESHOLD1, 0x0E },
3174 	{ DA7218_MIC_1_CTRL, 0x40 },
3175 	{ DA7218_MIC_1_GAIN, 0x01 },
3176 	{ DA7218_MIC_1_SELECT, 0x00 },
3177 	{ DA7218_MIC_2_CTRL, 0x40 },
3178 	{ DA7218_MIC_2_GAIN, 0x01 },
3179 	{ DA7218_MIC_2_SELECT, 0x00 },
3180 	{ DA7218_IN_1_HPF_FILTER_CTRL, 0x80 },
3181 	{ DA7218_IN_2_HPF_FILTER_CTRL, 0x80 },
3182 	{ DA7218_ADC_1_CTRL, 0x07 },
3183 	{ DA7218_ADC_2_CTRL, 0x07 },
3184 	{ DA7218_MIXOUT_L_CTRL, 0x00 },
3185 	{ DA7218_MIXOUT_L_GAIN, 0x03 },
3186 	{ DA7218_MIXOUT_R_CTRL, 0x00 },
3187 	{ DA7218_MIXOUT_R_GAIN, 0x03 },
3188 	{ DA7218_HP_L_CTRL, 0x40 },
3189 	{ DA7218_HP_L_GAIN, 0x3B },
3190 	{ DA7218_HP_R_CTRL, 0x40 },
3191 	{ DA7218_HP_R_GAIN, 0x3B },
3192 	{ DA7218_HP_DIFF_CTRL, 0x00 },
3193 	{ DA7218_HP_DIFF_UNLOCK, 0xC3 },
3194 	{ DA7218_HPLDET_JACK, 0x0B },
3195 	{ DA7218_HPLDET_CTRL, 0x00 },
3196 	{ DA7218_REFERENCES, 0x08 },
3197 	{ DA7218_IO_CTRL, 0x00 },
3198 	{ DA7218_LDO_CTRL, 0x00 },
3199 	{ DA7218_SIDETONE_CTRL, 0x40 },
3200 	{ DA7218_SIDETONE_IN_SELECT, 0x00 },
3201 	{ DA7218_SIDETONE_GAIN, 0x1C },
3202 	{ DA7218_DROUTING_ST_OUTFILT_1L, 0x01 },
3203 	{ DA7218_DROUTING_ST_OUTFILT_1R, 0x02 },
3204 	{ DA7218_SIDETONE_BIQ_3STAGE_DATA, 0x00 },
3205 	{ DA7218_SIDETONE_BIQ_3STAGE_ADDR, 0x00 },
3206 	{ DA7218_EVENT_MASK, 0x00 },
3207 	{ DA7218_DMIC_1_CTRL, 0x00 },
3208 	{ DA7218_DMIC_2_CTRL, 0x00 },
3209 	{ DA7218_IN_1L_GAIN, 0x6F },
3210 	{ DA7218_IN_1R_GAIN, 0x6F },
3211 	{ DA7218_IN_2L_GAIN, 0x6F },
3212 	{ DA7218_IN_2R_GAIN, 0x6F },
3213 	{ DA7218_OUT_1L_GAIN, 0x6F },
3214 	{ DA7218_OUT_1R_GAIN, 0x6F },
3215 	{ DA7218_MICBIAS_CTRL, 0x00 },
3216 	{ DA7218_MICBIAS_EN, 0x00 },
3217 };
3218 
da7218_volatile_register(struct device * dev,unsigned int reg)3219 static bool da7218_volatile_register(struct device *dev, unsigned int reg)
3220 {
3221 	switch (reg) {
3222 	case DA7218_STATUS1:
3223 	case DA7218_SOFT_RESET:
3224 	case DA7218_SYSTEM_STATUS:
3225 	case DA7218_CALIB_CTRL:
3226 	case DA7218_CALIB_OFFSET_AUTO_M_1:
3227 	case DA7218_CALIB_OFFSET_AUTO_U_1:
3228 	case DA7218_CALIB_OFFSET_AUTO_M_2:
3229 	case DA7218_CALIB_OFFSET_AUTO_U_2:
3230 	case DA7218_PLL_STATUS:
3231 	case DA7218_PLL_REFOSC_CAL:
3232 	case DA7218_TONE_GEN_CFG1:
3233 	case DA7218_ADC_MODE:
3234 	case DA7218_HP_SNGL_CTRL:
3235 	case DA7218_HPLDET_TEST:
3236 	case DA7218_EVENT_STATUS:
3237 	case DA7218_EVENT:
3238 		return true;
3239 	default:
3240 		return false;
3241 	}
3242 }
3243 
3244 static const struct regmap_config da7218_regmap_config = {
3245 	.reg_bits = 8,
3246 	.val_bits = 8,
3247 
3248 	.max_register = DA7218_MICBIAS_EN,
3249 	.reg_defaults = da7218_reg_defaults,
3250 	.num_reg_defaults = ARRAY_SIZE(da7218_reg_defaults),
3251 	.volatile_reg = da7218_volatile_register,
3252 	.cache_type = REGCACHE_RBTREE,
3253 };
3254 
3255 
3256 /*
3257  * I2C layer
3258  */
3259 
3260 static const struct i2c_device_id da7218_i2c_id[];
3261 
da7218_i2c_get_id(struct i2c_client * i2c)3262 static inline int da7218_i2c_get_id(struct i2c_client *i2c)
3263 {
3264 	const struct i2c_device_id *id = i2c_match_id(da7218_i2c_id, i2c);
3265 
3266 	if (id)
3267 		return (uintptr_t)id->driver_data;
3268 	else
3269 		return -EINVAL;
3270 }
3271 
da7218_i2c_probe(struct i2c_client * i2c)3272 static int da7218_i2c_probe(struct i2c_client *i2c)
3273 {
3274 	struct da7218_priv *da7218;
3275 	int ret;
3276 
3277 	da7218 = devm_kzalloc(&i2c->dev, sizeof(*da7218), GFP_KERNEL);
3278 	if (!da7218)
3279 		return -ENOMEM;
3280 
3281 	i2c_set_clientdata(i2c, da7218);
3282 
3283 	if (i2c->dev.of_node)
3284 		da7218->dev_id = da7218_of_get_id(&i2c->dev);
3285 	else
3286 		da7218->dev_id = da7218_i2c_get_id(i2c);
3287 
3288 	if ((da7218->dev_id != DA7217_DEV_ID) &&
3289 	    (da7218->dev_id != DA7218_DEV_ID)) {
3290 		dev_err(&i2c->dev, "Invalid device Id\n");
3291 		return -EINVAL;
3292 	}
3293 
3294 	da7218->irq = i2c->irq;
3295 
3296 	da7218->regmap = devm_regmap_init_i2c(i2c, &da7218_regmap_config);
3297 	if (IS_ERR(da7218->regmap)) {
3298 		ret = PTR_ERR(da7218->regmap);
3299 		dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
3300 		return ret;
3301 	}
3302 
3303 	ret = devm_snd_soc_register_component(&i2c->dev,
3304 			&soc_component_dev_da7218, &da7218_dai, 1);
3305 	if (ret < 0) {
3306 		dev_err(&i2c->dev, "Failed to register da7218 component: %d\n",
3307 			ret);
3308 	}
3309 	return ret;
3310 }
3311 
3312 static const struct i2c_device_id da7218_i2c_id[] = {
3313 	{ "da7217", DA7217_DEV_ID },
3314 	{ "da7218", DA7218_DEV_ID },
3315 	{ }
3316 };
3317 MODULE_DEVICE_TABLE(i2c, da7218_i2c_id);
3318 
3319 static struct i2c_driver da7218_i2c_driver = {
3320 	.driver = {
3321 		.name = "da7218",
3322 		.of_match_table = da7218_of_match,
3323 	},
3324 	.probe_new	= da7218_i2c_probe,
3325 	.id_table	= da7218_i2c_id,
3326 };
3327 
3328 module_i2c_driver(da7218_i2c_driver);
3329 
3330 MODULE_DESCRIPTION("ASoC DA7218 Codec driver");
3331 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
3332 MODULE_LICENSE("GPL");
3333