This source file includes following definitions.
- da7213_get_alc_data
- da7213_alc_calib_man
- da7213_alc_calib_auto
- da7213_alc_calib
- da7213_put_mixin_gain
- da7213_put_alc_sw
- da7213_dai_event
- da7213_volatile_register
- da7213_hw_params
- da7213_set_dai_fmt
- da7213_mute
- da7213_set_dai_sysclk
- da7213_set_dai_pll
- da7213_set_bias_level
- da7213_of_micbias_lvl
- da7213_of_dmic_data_sel
- da7213_of_dmic_samplephase
- da7213_of_dmic_clkrate
- da7213_fw_to_pdata
- da7213_probe
- da7213_i2c_probe
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11 #include <linux/acpi.h>
12 #include <linux/of_device.h>
13 #include <linux/property.h>
14 #include <linux/clk.h>
15 #include <linux/delay.h>
16 #include <linux/i2c.h>
17 #include <linux/regmap.h>
18 #include <linux/slab.h>
19 #include <linux/module.h>
20 #include <sound/pcm.h>
21 #include <sound/pcm_params.h>
22 #include <sound/soc.h>
23 #include <sound/initval.h>
24 #include <sound/tlv.h>
25
26 #include <sound/da7213.h>
27 #include "da7213.h"
28
29
30
31 static const DECLARE_TLV_DB_RANGE(aux_vol_tlv,
32
33 0x0, 0x11, TLV_DB_SCALE_ITEM(-5400, 0, 0),
34
35 0x12, 0x3f, TLV_DB_SCALE_ITEM(-5250, 150, 0)
36 );
37
38 static const DECLARE_TLV_DB_RANGE(digital_gain_tlv,
39 0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
40
41 0x08, 0x7f, TLV_DB_SCALE_ITEM(-7800, 75, 0)
42 );
43
44 static const DECLARE_TLV_DB_RANGE(alc_analog_gain_tlv,
45 0x0, 0x0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
46
47 0x01, 0x07, TLV_DB_SCALE_ITEM(0, 600, 0)
48 );
49
50 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, -600, 600, 0);
51 static const DECLARE_TLV_DB_SCALE(mixin_gain_tlv, -450, 150, 0);
52 static const DECLARE_TLV_DB_SCALE(eq_gain_tlv, -1050, 150, 0);
53 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -5700, 100, 0);
54 static const DECLARE_TLV_DB_SCALE(lineout_vol_tlv, -4800, 100, 0);
55 static const DECLARE_TLV_DB_SCALE(alc_threshold_tlv, -9450, 150, 0);
56 static const DECLARE_TLV_DB_SCALE(alc_gain_tlv, 0, 600, 0);
57
58
59 static const char * const da7213_voice_hpf_corner_txt[] = {
60 "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
61 };
62
63 static SOC_ENUM_SINGLE_DECL(da7213_dac_voice_hpf_corner,
64 DA7213_DAC_FILTERS1,
65 DA7213_VOICE_HPF_CORNER_SHIFT,
66 da7213_voice_hpf_corner_txt);
67
68 static SOC_ENUM_SINGLE_DECL(da7213_adc_voice_hpf_corner,
69 DA7213_ADC_FILTERS1,
70 DA7213_VOICE_HPF_CORNER_SHIFT,
71 da7213_voice_hpf_corner_txt);
72
73
74 static const char * const da7213_audio_hpf_corner_txt[] = {
75 "Fs/24000", "Fs/12000", "Fs/6000", "Fs/3000"
76 };
77
78 static SOC_ENUM_SINGLE_DECL(da7213_dac_audio_hpf_corner,
79 DA7213_DAC_FILTERS1
80 , DA7213_AUDIO_HPF_CORNER_SHIFT,
81 da7213_audio_hpf_corner_txt);
82
83 static SOC_ENUM_SINGLE_DECL(da7213_adc_audio_hpf_corner,
84 DA7213_ADC_FILTERS1,
85 DA7213_AUDIO_HPF_CORNER_SHIFT,
86 da7213_audio_hpf_corner_txt);
87
88
89 static const char * const da7213_gain_ramp_rate_txt[] = {
90 "nominal rate * 8", "nominal rate * 16", "nominal rate / 16",
91 "nominal rate / 32"
92 };
93
94 static SOC_ENUM_SINGLE_DECL(da7213_gain_ramp_rate,
95 DA7213_GAIN_RAMP_CTRL,
96 DA7213_GAIN_RAMP_RATE_SHIFT,
97 da7213_gain_ramp_rate_txt);
98
99
100 static const char * const da7213_dac_ng_setup_time_txt[] = {
101 "256 samples", "512 samples", "1024 samples", "2048 samples"
102 };
103
104 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_setup_time,
105 DA7213_DAC_NG_SETUP_TIME,
106 DA7213_DAC_NG_SETUP_TIME_SHIFT,
107 da7213_dac_ng_setup_time_txt);
108
109
110 static const char * const da7213_dac_ng_rampup_txt[] = {
111 "0.02 ms/dB", "0.16 ms/dB"
112 };
113
114 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampup_rate,
115 DA7213_DAC_NG_SETUP_TIME,
116 DA7213_DAC_NG_RAMPUP_RATE_SHIFT,
117 da7213_dac_ng_rampup_txt);
118
119
120 static const char * const da7213_dac_ng_rampdown_txt[] = {
121 "0.64 ms/dB", "20.48 ms/dB"
122 };
123
124 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampdown_rate,
125 DA7213_DAC_NG_SETUP_TIME,
126 DA7213_DAC_NG_RAMPDN_RATE_SHIFT,
127 da7213_dac_ng_rampdown_txt);
128
129
130 static const char * const da7213_dac_soft_mute_rate_txt[] = {
131 "1", "2", "4", "8", "16", "32", "64"
132 };
133
134 static SOC_ENUM_SINGLE_DECL(da7213_dac_soft_mute_rate,
135 DA7213_DAC_FILTERS5,
136 DA7213_DAC_SOFTMUTE_RATE_SHIFT,
137 da7213_dac_soft_mute_rate_txt);
138
139
140 static const char * const da7213_alc_attack_rate_txt[] = {
141 "44/fs", "88/fs", "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs",
142 "5632/fs", "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
143 };
144
145 static SOC_ENUM_SINGLE_DECL(da7213_alc_attack_rate,
146 DA7213_ALC_CTRL2,
147 DA7213_ALC_ATTACK_SHIFT,
148 da7213_alc_attack_rate_txt);
149
150
151 static const char * const da7213_alc_release_rate_txt[] = {
152 "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs", "5632/fs",
153 "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
154 };
155
156 static SOC_ENUM_SINGLE_DECL(da7213_alc_release_rate,
157 DA7213_ALC_CTRL2,
158 DA7213_ALC_RELEASE_SHIFT,
159 da7213_alc_release_rate_txt);
160
161
162 static const char * const da7213_alc_hold_time_txt[] = {
163 "62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
164 "7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
165 "253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
166 };
167
168 static SOC_ENUM_SINGLE_DECL(da7213_alc_hold_time,
169 DA7213_ALC_CTRL3,
170 DA7213_ALC_HOLD_SHIFT,
171 da7213_alc_hold_time_txt);
172
173
174 static const char * const da7213_alc_integ_rate_txt[] = {
175 "1/4", "1/16", "1/256", "1/65536"
176 };
177
178 static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_attack_rate,
179 DA7213_ALC_CTRL3,
180 DA7213_ALC_INTEG_ATTACK_SHIFT,
181 da7213_alc_integ_rate_txt);
182
183 static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_release_rate,
184 DA7213_ALC_CTRL3,
185 DA7213_ALC_INTEG_RELEASE_SHIFT,
186 da7213_alc_integ_rate_txt);
187
188
189
190
191
192
193 static int da7213_get_alc_data(struct snd_soc_component *component, u8 reg_val)
194 {
195 int mid_data, top_data;
196 int sum = 0;
197 u8 iteration;
198
199 for (iteration = 0; iteration < DA7213_ALC_AVG_ITERATIONS;
200 iteration++) {
201
202 snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL, reg_val);
203
204
205 snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL,
206 reg_val | DA7213_ALC_DATA_MIDDLE);
207 mid_data = snd_soc_component_read32(component, DA7213_ALC_CIC_OP_LVL_DATA);
208
209
210 snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL,
211 reg_val | DA7213_ALC_DATA_TOP);
212 top_data = snd_soc_component_read32(component, DA7213_ALC_CIC_OP_LVL_DATA);
213
214 sum += ((mid_data << 8) | (top_data << 16));
215 }
216
217 return sum / DA7213_ALC_AVG_ITERATIONS;
218 }
219
220 static void da7213_alc_calib_man(struct snd_soc_component *component)
221 {
222 u8 reg_val;
223 int avg_left_data, avg_right_data, offset_l, offset_r;
224
225
226
227 avg_left_data = da7213_get_alc_data(component,
228 DA7213_ALC_CIC_OP_CHANNEL_LEFT);
229
230 avg_right_data = da7213_get_alc_data(component,
231 DA7213_ALC_CIC_OP_CHANNEL_RIGHT);
232
233
234 offset_l = -avg_left_data;
235 offset_r = -avg_right_data;
236
237 reg_val = (offset_l & DA7213_ALC_OFFSET_15_8) >> 8;
238 snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_M_L, reg_val);
239 reg_val = (offset_l & DA7213_ALC_OFFSET_19_16) >> 16;
240 snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_U_L, reg_val);
241
242 reg_val = (offset_r & DA7213_ALC_OFFSET_15_8) >> 8;
243 snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_M_R, reg_val);
244 reg_val = (offset_r & DA7213_ALC_OFFSET_19_16) >> 16;
245 snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_U_R, reg_val);
246
247
248 snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
249 DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
250 DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
251 }
252
253 static void da7213_alc_calib_auto(struct snd_soc_component *component)
254 {
255 u8 alc_ctrl1;
256
257
258 snd_soc_component_update_bits(component, DA7213_ALC_CTRL1, DA7213_ALC_AUTO_CALIB_EN,
259 DA7213_ALC_AUTO_CALIB_EN);
260 do {
261 alc_ctrl1 = snd_soc_component_read32(component, DA7213_ALC_CTRL1);
262 } while (alc_ctrl1 & DA7213_ALC_AUTO_CALIB_EN);
263
264
265 if (alc_ctrl1 & DA7213_ALC_CALIB_OVERFLOW) {
266 dev_warn(component->dev,
267 "ALC auto calibration failed with overflow\n");
268 snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
269 DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
270 0);
271 } else {
272
273 snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
274 DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
275 DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
276 }
277
278 }
279
280 static void da7213_alc_calib(struct snd_soc_component *component)
281 {
282 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
283 u8 adc_l_ctrl, adc_r_ctrl;
284 u8 mixin_l_sel, mixin_r_sel;
285 u8 mic_1_ctrl, mic_2_ctrl;
286
287
288 adc_l_ctrl = snd_soc_component_read32(component, DA7213_ADC_L_CTRL);
289 adc_r_ctrl = snd_soc_component_read32(component, DA7213_ADC_R_CTRL);
290
291
292 mixin_l_sel = snd_soc_component_read32(component, DA7213_MIXIN_L_SELECT);
293 mixin_r_sel = snd_soc_component_read32(component, DA7213_MIXIN_R_SELECT);
294
295
296 mic_1_ctrl = snd_soc_component_read32(component, DA7213_MIC_1_CTRL);
297 mic_2_ctrl = snd_soc_component_read32(component, DA7213_MIC_2_CTRL);
298
299
300 snd_soc_component_update_bits(component, DA7213_ADC_L_CTRL, DA7213_ADC_EN,
301 DA7213_ADC_EN);
302 snd_soc_component_update_bits(component, DA7213_ADC_R_CTRL, DA7213_ADC_EN,
303 DA7213_ADC_EN);
304
305
306 snd_soc_component_update_bits(component, DA7213_MIXIN_L_SELECT,
307 DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
308 DA7213_MIXIN_L_MIX_SELECT_MIC_2,
309 DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
310 DA7213_MIXIN_L_MIX_SELECT_MIC_2);
311 snd_soc_component_update_bits(component, DA7213_MIXIN_R_SELECT,
312 DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
313 DA7213_MIXIN_R_MIX_SELECT_MIC_1,
314 DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
315 DA7213_MIXIN_R_MIX_SELECT_MIC_1);
316
317
318 snd_soc_component_update_bits(component, DA7213_MIC_1_CTRL, DA7213_MUTE_EN,
319 DA7213_MUTE_EN);
320 snd_soc_component_update_bits(component, DA7213_MIC_2_CTRL, DA7213_MUTE_EN,
321 DA7213_MUTE_EN);
322
323
324 if (da7213->alc_calib_auto)
325 da7213_alc_calib_auto(component);
326 else
327 da7213_alc_calib_man(component);
328
329
330 snd_soc_component_write(component, DA7213_MIXIN_L_SELECT, mixin_l_sel);
331 snd_soc_component_write(component, DA7213_MIXIN_R_SELECT, mixin_r_sel);
332
333
334 snd_soc_component_write(component, DA7213_ADC_L_CTRL, adc_l_ctrl);
335 snd_soc_component_write(component, DA7213_ADC_R_CTRL, adc_r_ctrl);
336
337
338 snd_soc_component_write(component, DA7213_MIC_1_CTRL, mic_1_ctrl);
339 snd_soc_component_write(component, DA7213_MIC_2_CTRL, mic_2_ctrl);
340 }
341
342 static int da7213_put_mixin_gain(struct snd_kcontrol *kcontrol,
343 struct snd_ctl_elem_value *ucontrol)
344 {
345 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
346 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
347 int ret;
348
349 ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
350
351
352 if ((!ret) && (da7213->alc_en))
353 da7213_alc_calib(component);
354
355 return ret;
356 }
357
358 static int da7213_put_alc_sw(struct snd_kcontrol *kcontrol,
359 struct snd_ctl_elem_value *ucontrol)
360 {
361 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
362 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
363
364
365 if (ucontrol->value.integer.value[0] ||
366 ucontrol->value.integer.value[1]) {
367 if (!da7213->alc_en) {
368 da7213_alc_calib(component);
369 da7213->alc_en = true;
370 }
371 } else {
372 da7213->alc_en = false;
373 }
374
375 return snd_soc_put_volsw(kcontrol, ucontrol);
376 }
377
378
379
380
381
382
383 static const struct snd_kcontrol_new da7213_snd_controls[] = {
384
385
386 SOC_SINGLE_TLV("Mic 1 Volume", DA7213_MIC_1_GAIN,
387 DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
388 DA7213_NO_INVERT, mic_vol_tlv),
389 SOC_SINGLE_TLV("Mic 2 Volume", DA7213_MIC_2_GAIN,
390 DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
391 DA7213_NO_INVERT, mic_vol_tlv),
392 SOC_DOUBLE_R_TLV("Aux Volume", DA7213_AUX_L_GAIN, DA7213_AUX_R_GAIN,
393 DA7213_AUX_AMP_GAIN_SHIFT, DA7213_AUX_AMP_GAIN_MAX,
394 DA7213_NO_INVERT, aux_vol_tlv),
395 SOC_DOUBLE_R_EXT_TLV("Mixin PGA Volume", DA7213_MIXIN_L_GAIN,
396 DA7213_MIXIN_R_GAIN, DA7213_MIXIN_AMP_GAIN_SHIFT,
397 DA7213_MIXIN_AMP_GAIN_MAX, DA7213_NO_INVERT,
398 snd_soc_get_volsw_2r, da7213_put_mixin_gain,
399 mixin_gain_tlv),
400 SOC_DOUBLE_R_TLV("ADC Volume", DA7213_ADC_L_GAIN, DA7213_ADC_R_GAIN,
401 DA7213_ADC_AMP_GAIN_SHIFT, DA7213_ADC_AMP_GAIN_MAX,
402 DA7213_NO_INVERT, digital_gain_tlv),
403 SOC_DOUBLE_R_TLV("DAC Volume", DA7213_DAC_L_GAIN, DA7213_DAC_R_GAIN,
404 DA7213_DAC_AMP_GAIN_SHIFT, DA7213_DAC_AMP_GAIN_MAX,
405 DA7213_NO_INVERT, digital_gain_tlv),
406 SOC_DOUBLE_R_TLV("Headphone Volume", DA7213_HP_L_GAIN, DA7213_HP_R_GAIN,
407 DA7213_HP_AMP_GAIN_SHIFT, DA7213_HP_AMP_GAIN_MAX,
408 DA7213_NO_INVERT, hp_vol_tlv),
409 SOC_SINGLE_TLV("Lineout Volume", DA7213_LINE_GAIN,
410 DA7213_LINE_AMP_GAIN_SHIFT, DA7213_LINE_AMP_GAIN_MAX,
411 DA7213_NO_INVERT, lineout_vol_tlv),
412
413
414 SOC_SINGLE("DAC EQ Switch", DA7213_DAC_FILTERS4, DA7213_DAC_EQ_EN_SHIFT,
415 DA7213_DAC_EQ_EN_MAX, DA7213_NO_INVERT),
416 SOC_SINGLE_TLV("DAC EQ1 Volume", DA7213_DAC_FILTERS2,
417 DA7213_DAC_EQ_BAND1_SHIFT, DA7213_DAC_EQ_BAND_MAX,
418 DA7213_NO_INVERT, eq_gain_tlv),
419 SOC_SINGLE_TLV("DAC EQ2 Volume", DA7213_DAC_FILTERS2,
420 DA7213_DAC_EQ_BAND2_SHIFT, DA7213_DAC_EQ_BAND_MAX,
421 DA7213_NO_INVERT, eq_gain_tlv),
422 SOC_SINGLE_TLV("DAC EQ3 Volume", DA7213_DAC_FILTERS3,
423 DA7213_DAC_EQ_BAND3_SHIFT, DA7213_DAC_EQ_BAND_MAX,
424 DA7213_NO_INVERT, eq_gain_tlv),
425 SOC_SINGLE_TLV("DAC EQ4 Volume", DA7213_DAC_FILTERS3,
426 DA7213_DAC_EQ_BAND4_SHIFT, DA7213_DAC_EQ_BAND_MAX,
427 DA7213_NO_INVERT, eq_gain_tlv),
428 SOC_SINGLE_TLV("DAC EQ5 Volume", DA7213_DAC_FILTERS4,
429 DA7213_DAC_EQ_BAND5_SHIFT, DA7213_DAC_EQ_BAND_MAX,
430 DA7213_NO_INVERT, eq_gain_tlv),
431
432
433 SOC_SINGLE("ADC HPF Switch", DA7213_ADC_FILTERS1, DA7213_HPF_EN_SHIFT,
434 DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
435 SOC_ENUM("ADC HPF Cutoff", da7213_adc_audio_hpf_corner),
436 SOC_SINGLE("ADC Voice Mode Switch", DA7213_ADC_FILTERS1,
437 DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
438 DA7213_NO_INVERT),
439 SOC_ENUM("ADC Voice Cutoff", da7213_adc_voice_hpf_corner),
440
441 SOC_SINGLE("DAC HPF Switch", DA7213_DAC_FILTERS1, DA7213_HPF_EN_SHIFT,
442 DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
443 SOC_ENUM("DAC HPF Cutoff", da7213_dac_audio_hpf_corner),
444 SOC_SINGLE("DAC Voice Mode Switch", DA7213_DAC_FILTERS1,
445 DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
446 DA7213_NO_INVERT),
447 SOC_ENUM("DAC Voice Cutoff", da7213_dac_voice_hpf_corner),
448
449
450 SOC_SINGLE("Mic 1 Switch", DA7213_MIC_1_CTRL, DA7213_MUTE_EN_SHIFT,
451 DA7213_MUTE_EN_MAX, DA7213_INVERT),
452 SOC_SINGLE("Mic 2 Switch", DA7213_MIC_2_CTRL, DA7213_MUTE_EN_SHIFT,
453 DA7213_MUTE_EN_MAX, DA7213_INVERT),
454 SOC_DOUBLE_R("Aux Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
455 DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
456 SOC_DOUBLE_R("Mixin PGA Switch", DA7213_MIXIN_L_CTRL,
457 DA7213_MIXIN_R_CTRL, DA7213_MUTE_EN_SHIFT,
458 DA7213_MUTE_EN_MAX, DA7213_INVERT),
459 SOC_DOUBLE_R("ADC Switch", DA7213_ADC_L_CTRL, DA7213_ADC_R_CTRL,
460 DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
461 SOC_DOUBLE_R("Headphone Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
462 DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
463 SOC_SINGLE("Lineout Switch", DA7213_LINE_CTRL, DA7213_MUTE_EN_SHIFT,
464 DA7213_MUTE_EN_MAX, DA7213_INVERT),
465 SOC_SINGLE("DAC Soft Mute Switch", DA7213_DAC_FILTERS5,
466 DA7213_DAC_SOFTMUTE_EN_SHIFT, DA7213_DAC_SOFTMUTE_EN_MAX,
467 DA7213_NO_INVERT),
468 SOC_ENUM("DAC Soft Mute Rate", da7213_dac_soft_mute_rate),
469
470
471 SOC_DOUBLE_R("Aux ZC Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
472 DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
473 SOC_DOUBLE_R("Mixin PGA ZC Switch", DA7213_MIXIN_L_CTRL,
474 DA7213_MIXIN_R_CTRL, DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX,
475 DA7213_NO_INVERT),
476 SOC_DOUBLE_R("Headphone ZC Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
477 DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
478
479
480 SOC_DOUBLE_R("Aux Gain Ramping Switch", DA7213_AUX_L_CTRL,
481 DA7213_AUX_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
482 DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
483 SOC_DOUBLE_R("Mixin Gain Ramping Switch", DA7213_MIXIN_L_CTRL,
484 DA7213_MIXIN_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
485 DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
486 SOC_DOUBLE_R("ADC Gain Ramping Switch", DA7213_ADC_L_CTRL,
487 DA7213_ADC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
488 DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
489 SOC_DOUBLE_R("DAC Gain Ramping Switch", DA7213_DAC_L_CTRL,
490 DA7213_DAC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
491 DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
492 SOC_DOUBLE_R("Headphone Gain Ramping Switch", DA7213_HP_L_CTRL,
493 DA7213_HP_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
494 DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
495 SOC_SINGLE("Lineout Gain Ramping Switch", DA7213_LINE_CTRL,
496 DA7213_GAIN_RAMP_EN_SHIFT, DA7213_GAIN_RAMP_EN_MAX,
497 DA7213_NO_INVERT),
498 SOC_ENUM("Gain Ramping Rate", da7213_gain_ramp_rate),
499
500
501 SOC_SINGLE("DAC NG Switch", DA7213_DAC_NG_CTRL, DA7213_DAC_NG_EN_SHIFT,
502 DA7213_DAC_NG_EN_MAX, DA7213_NO_INVERT),
503 SOC_ENUM("DAC NG Setup Time", da7213_dac_ng_setup_time),
504 SOC_ENUM("DAC NG Rampup Rate", da7213_dac_ng_rampup_rate),
505 SOC_ENUM("DAC NG Rampdown Rate", da7213_dac_ng_rampdown_rate),
506 SOC_SINGLE("DAC NG OFF Threshold", DA7213_DAC_NG_OFF_THRESHOLD,
507 DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
508 DA7213_NO_INVERT),
509 SOC_SINGLE("DAC NG ON Threshold", DA7213_DAC_NG_ON_THRESHOLD,
510 DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
511 DA7213_NO_INVERT),
512
513
514 SOC_DOUBLE("DAC Mono Switch", DA7213_DIG_ROUTING_DAC,
515 DA7213_DAC_L_MONO_SHIFT, DA7213_DAC_R_MONO_SHIFT,
516 DA7213_DAC_MONO_MAX, DA7213_NO_INVERT),
517 SOC_DOUBLE("DAC Invert Switch", DA7213_DIG_CTRL, DA7213_DAC_L_INV_SHIFT,
518 DA7213_DAC_R_INV_SHIFT, DA7213_DAC_INV_MAX,
519 DA7213_NO_INVERT),
520
521
522 SOC_DOUBLE_R("DMIC Switch", DA7213_MIXIN_L_SELECT,
523 DA7213_MIXIN_R_SELECT, DA7213_DMIC_EN_SHIFT,
524 DA7213_DMIC_EN_MAX, DA7213_NO_INVERT),
525
526
527 SOC_DOUBLE_EXT("ALC Switch", DA7213_ALC_CTRL1, DA7213_ALC_L_EN_SHIFT,
528 DA7213_ALC_R_EN_SHIFT, DA7213_ALC_EN_MAX,
529 DA7213_NO_INVERT, snd_soc_get_volsw, da7213_put_alc_sw),
530 SOC_ENUM("ALC Attack Rate", da7213_alc_attack_rate),
531 SOC_ENUM("ALC Release Rate", da7213_alc_release_rate),
532 SOC_ENUM("ALC Hold Time", da7213_alc_hold_time),
533
534
535
536
537 SOC_ENUM("ALC Integ Attack Rate", da7213_alc_integ_attack_rate),
538
539
540
541
542 SOC_ENUM("ALC Integ Release Rate", da7213_alc_integ_release_rate),
543 SOC_SINGLE_TLV("ALC Noise Threshold Volume", DA7213_ALC_NOISE,
544 DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
545 DA7213_INVERT, alc_threshold_tlv),
546 SOC_SINGLE_TLV("ALC Min Threshold Volume", DA7213_ALC_TARGET_MIN,
547 DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
548 DA7213_INVERT, alc_threshold_tlv),
549 SOC_SINGLE_TLV("ALC Max Threshold Volume", DA7213_ALC_TARGET_MAX,
550 DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
551 DA7213_INVERT, alc_threshold_tlv),
552 SOC_SINGLE_TLV("ALC Max Attenuation Volume", DA7213_ALC_GAIN_LIMITS,
553 DA7213_ALC_ATTEN_MAX_SHIFT,
554 DA7213_ALC_ATTEN_GAIN_MAX_MAX, DA7213_NO_INVERT,
555 alc_gain_tlv),
556 SOC_SINGLE_TLV("ALC Max Gain Volume", DA7213_ALC_GAIN_LIMITS,
557 DA7213_ALC_GAIN_MAX_SHIFT, DA7213_ALC_ATTEN_GAIN_MAX_MAX,
558 DA7213_NO_INVERT, alc_gain_tlv),
559 SOC_SINGLE_TLV("ALC Min Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
560 DA7213_ALC_ANA_GAIN_MIN_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
561 DA7213_NO_INVERT, alc_analog_gain_tlv),
562 SOC_SINGLE_TLV("ALC Max Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
563 DA7213_ALC_ANA_GAIN_MAX_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
564 DA7213_NO_INVERT, alc_analog_gain_tlv),
565 SOC_SINGLE("ALC Anticlip Mode Switch", DA7213_ALC_ANTICLIP_CTRL,
566 DA7213_ALC_ANTICLIP_EN_SHIFT, DA7213_ALC_ANTICLIP_EN_MAX,
567 DA7213_NO_INVERT),
568 SOC_SINGLE("ALC Anticlip Level", DA7213_ALC_ANTICLIP_LEVEL,
569 DA7213_ALC_ANTICLIP_LEVEL_SHIFT,
570 DA7213_ALC_ANTICLIP_LEVEL_MAX, DA7213_NO_INVERT),
571 };
572
573
574
575
576
577
578
579
580
581
582
583 static const char * const da7213_mic_amp_in_sel_txt[] = {
584 "Differential", "MIC_P", "MIC_N"
585 };
586
587 static SOC_ENUM_SINGLE_DECL(da7213_mic_1_amp_in_sel,
588 DA7213_MIC_1_CTRL,
589 DA7213_MIC_AMP_IN_SEL_SHIFT,
590 da7213_mic_amp_in_sel_txt);
591 static const struct snd_kcontrol_new da7213_mic_1_amp_in_sel_mux =
592 SOC_DAPM_ENUM("Mic 1 Amp Source MUX", da7213_mic_1_amp_in_sel);
593
594 static SOC_ENUM_SINGLE_DECL(da7213_mic_2_amp_in_sel,
595 DA7213_MIC_2_CTRL,
596 DA7213_MIC_AMP_IN_SEL_SHIFT,
597 da7213_mic_amp_in_sel_txt);
598 static const struct snd_kcontrol_new da7213_mic_2_amp_in_sel_mux =
599 SOC_DAPM_ENUM("Mic 2 Amp Source MUX", da7213_mic_2_amp_in_sel);
600
601
602 static const char * const da7213_dai_src_txt[] = {
603 "ADC Left", "ADC Right", "DAI Input Left", "DAI Input Right"
604 };
605
606 static SOC_ENUM_SINGLE_DECL(da7213_dai_l_src,
607 DA7213_DIG_ROUTING_DAI,
608 DA7213_DAI_L_SRC_SHIFT,
609 da7213_dai_src_txt);
610 static const struct snd_kcontrol_new da7213_dai_l_src_mux =
611 SOC_DAPM_ENUM("DAI Left Source MUX", da7213_dai_l_src);
612
613 static SOC_ENUM_SINGLE_DECL(da7213_dai_r_src,
614 DA7213_DIG_ROUTING_DAI,
615 DA7213_DAI_R_SRC_SHIFT,
616 da7213_dai_src_txt);
617 static const struct snd_kcontrol_new da7213_dai_r_src_mux =
618 SOC_DAPM_ENUM("DAI Right Source MUX", da7213_dai_r_src);
619
620
621 static const char * const da7213_dac_src_txt[] = {
622 "ADC Output Left", "ADC Output Right", "DAI Input Left",
623 "DAI Input Right"
624 };
625
626 static SOC_ENUM_SINGLE_DECL(da7213_dac_l_src,
627 DA7213_DIG_ROUTING_DAC,
628 DA7213_DAC_L_SRC_SHIFT,
629 da7213_dac_src_txt);
630 static const struct snd_kcontrol_new da7213_dac_l_src_mux =
631 SOC_DAPM_ENUM("DAC Left Source MUX", da7213_dac_l_src);
632
633 static SOC_ENUM_SINGLE_DECL(da7213_dac_r_src,
634 DA7213_DIG_ROUTING_DAC,
635 DA7213_DAC_R_SRC_SHIFT,
636 da7213_dac_src_txt);
637 static const struct snd_kcontrol_new da7213_dac_r_src_mux =
638 SOC_DAPM_ENUM("DAC Right Source MUX", da7213_dac_r_src);
639
640
641
642
643
644
645 static const struct snd_kcontrol_new da7213_dapm_mixinl_controls[] = {
646 SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXIN_L_SELECT,
647 DA7213_MIXIN_L_MIX_SELECT_AUX_L_SHIFT,
648 DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
649 SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_L_SELECT,
650 DA7213_MIXIN_L_MIX_SELECT_MIC_1_SHIFT,
651 DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
652 SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_L_SELECT,
653 DA7213_MIXIN_L_MIX_SELECT_MIC_2_SHIFT,
654 DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
655 SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXIN_L_SELECT,
656 DA7213_MIXIN_L_MIX_SELECT_MIXIN_R_SHIFT,
657 DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
658 };
659
660
661 static const struct snd_kcontrol_new da7213_dapm_mixinr_controls[] = {
662 SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXIN_R_SELECT,
663 DA7213_MIXIN_R_MIX_SELECT_AUX_R_SHIFT,
664 DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
665 SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_R_SELECT,
666 DA7213_MIXIN_R_MIX_SELECT_MIC_2_SHIFT,
667 DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
668 SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_R_SELECT,
669 DA7213_MIXIN_R_MIX_SELECT_MIC_1_SHIFT,
670 DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
671 SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXIN_R_SELECT,
672 DA7213_MIXIN_R_MIX_SELECT_MIXIN_L_SHIFT,
673 DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
674 };
675
676
677 static const struct snd_kcontrol_new da7213_dapm_mixoutl_controls[] = {
678 SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXOUT_L_SELECT,
679 DA7213_MIXOUT_L_MIX_SELECT_AUX_L_SHIFT,
680 DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
681 SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_L_SELECT,
682 DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_SHIFT,
683 DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
684 SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_L_SELECT,
685 DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_SHIFT,
686 DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
687 SOC_DAPM_SINGLE("DAC Left Switch", DA7213_MIXOUT_L_SELECT,
688 DA7213_MIXOUT_L_MIX_SELECT_DAC_L_SHIFT,
689 DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
690 SOC_DAPM_SINGLE("Aux Left Invert Switch", DA7213_MIXOUT_L_SELECT,
691 DA7213_MIXOUT_L_MIX_SELECT_AUX_L_INVERTED_SHIFT,
692 DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
693 SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_L_SELECT,
694 DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
695 DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
696 SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_L_SELECT,
697 DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
698 DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
699 };
700
701
702 static const struct snd_kcontrol_new da7213_dapm_mixoutr_controls[] = {
703 SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXOUT_R_SELECT,
704 DA7213_MIXOUT_R_MIX_SELECT_AUX_R_SHIFT,
705 DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
706 SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_R_SELECT,
707 DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_SHIFT,
708 DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
709 SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_R_SELECT,
710 DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_SHIFT,
711 DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
712 SOC_DAPM_SINGLE("DAC Right Switch", DA7213_MIXOUT_R_SELECT,
713 DA7213_MIXOUT_R_MIX_SELECT_DAC_R_SHIFT,
714 DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
715 SOC_DAPM_SINGLE("Aux Right Invert Switch", DA7213_MIXOUT_R_SELECT,
716 DA7213_MIXOUT_R_MIX_SELECT_AUX_R_INVERTED_SHIFT,
717 DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
718 SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_R_SELECT,
719 DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
720 DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
721 SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_R_SELECT,
722 DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
723 DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
724 };
725
726
727
728
729
730
731 static int da7213_dai_event(struct snd_soc_dapm_widget *w,
732 struct snd_kcontrol *kcontrol, int event)
733 {
734 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
735 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
736 u8 pll_ctrl, pll_status;
737 int i = 0;
738 bool srm_lock = false;
739
740 switch (event) {
741 case SND_SOC_DAPM_PRE_PMU:
742
743 if (da7213->master)
744 snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
745 DA7213_DAI_CLK_EN_MASK,
746 DA7213_DAI_CLK_EN_MASK);
747
748
749 snd_soc_component_update_bits(component, DA7213_PC_COUNT,
750 DA7213_PC_FREERUN_MASK, 0);
751
752
753 pll_ctrl = snd_soc_component_read32(component, DA7213_PLL_CTRL);
754 if (!(pll_ctrl & DA7213_PLL_SRM_EN))
755 return 0;
756
757
758 if (pll_ctrl & DA7213_PLL_32K_MODE) {
759 snd_soc_component_write(component, 0xF0, 0x8B);
760 snd_soc_component_write(component, 0xF2, 0x03);
761 snd_soc_component_write(component, 0xF0, 0x00);
762 }
763
764
765 do {
766 pll_status = snd_soc_component_read32(component, DA7213_PLL_STATUS);
767 if (pll_status & DA7219_PLL_SRM_LOCK) {
768 srm_lock = true;
769 } else {
770 ++i;
771 msleep(50);
772 }
773 } while ((i < DA7213_SRM_CHECK_RETRIES) && (!srm_lock));
774
775 if (!srm_lock)
776 dev_warn(component->dev, "SRM failed to lock\n");
777
778 return 0;
779 case SND_SOC_DAPM_POST_PMD:
780
781 pll_ctrl = snd_soc_component_read32(component, DA7213_PLL_CTRL);
782 if (pll_ctrl & DA7213_PLL_32K_MODE) {
783 snd_soc_component_write(component, 0xF0, 0x8B);
784 snd_soc_component_write(component, 0xF2, 0x01);
785 snd_soc_component_write(component, 0xF0, 0x00);
786 }
787
788
789 snd_soc_component_update_bits(component, DA7213_PC_COUNT,
790 DA7213_PC_FREERUN_MASK,
791 DA7213_PC_FREERUN_MASK);
792
793
794 if (da7213->master)
795 snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
796 DA7213_DAI_CLK_EN_MASK, 0);
797 return 0;
798 default:
799 return -EINVAL;
800 }
801 }
802
803
804
805
806
807
808 static const struct snd_soc_dapm_widget da7213_dapm_widgets[] = {
809
810
811
812
813
814 SND_SOC_DAPM_SUPPLY("DAI", DA7213_DAI_CTRL, DA7213_DAI_EN_SHIFT,
815 DA7213_NO_INVERT, da7213_dai_event,
816 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
817
818
819
820
821
822
823 SND_SOC_DAPM_INPUT("MIC1"),
824 SND_SOC_DAPM_INPUT("MIC2"),
825 SND_SOC_DAPM_INPUT("AUXL"),
826 SND_SOC_DAPM_INPUT("AUXR"),
827
828
829 SND_SOC_DAPM_MUX("Mic 1 Amp Source MUX", SND_SOC_NOPM, 0, 0,
830 &da7213_mic_1_amp_in_sel_mux),
831 SND_SOC_DAPM_MUX("Mic 2 Amp Source MUX", SND_SOC_NOPM, 0, 0,
832 &da7213_mic_2_amp_in_sel_mux),
833
834
835 SND_SOC_DAPM_PGA("Mic 1 PGA", DA7213_MIC_1_CTRL, DA7213_AMP_EN_SHIFT,
836 DA7213_NO_INVERT, NULL, 0),
837 SND_SOC_DAPM_PGA("Mic 2 PGA", DA7213_MIC_2_CTRL, DA7213_AMP_EN_SHIFT,
838 DA7213_NO_INVERT, NULL, 0),
839 SND_SOC_DAPM_PGA("Aux Left PGA", DA7213_AUX_L_CTRL, DA7213_AMP_EN_SHIFT,
840 DA7213_NO_INVERT, NULL, 0),
841 SND_SOC_DAPM_PGA("Aux Right PGA", DA7213_AUX_R_CTRL,
842 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
843 SND_SOC_DAPM_PGA("Mixin Left PGA", DA7213_MIXIN_L_CTRL,
844 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
845 SND_SOC_DAPM_PGA("Mixin Right PGA", DA7213_MIXIN_R_CTRL,
846 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
847
848
849 SND_SOC_DAPM_SUPPLY("Mic Bias 1", DA7213_MICBIAS_CTRL,
850 DA7213_MICBIAS1_EN_SHIFT, DA7213_NO_INVERT,
851 NULL, 0),
852 SND_SOC_DAPM_SUPPLY("Mic Bias 2", DA7213_MICBIAS_CTRL,
853 DA7213_MICBIAS2_EN_SHIFT, DA7213_NO_INVERT,
854 NULL, 0),
855
856
857 SND_SOC_DAPM_MIXER("Mixin Left", SND_SOC_NOPM, 0, 0,
858 &da7213_dapm_mixinl_controls[0],
859 ARRAY_SIZE(da7213_dapm_mixinl_controls)),
860 SND_SOC_DAPM_MIXER("Mixin Right", SND_SOC_NOPM, 0, 0,
861 &da7213_dapm_mixinr_controls[0],
862 ARRAY_SIZE(da7213_dapm_mixinr_controls)),
863
864
865 SND_SOC_DAPM_ADC("ADC Left", NULL, DA7213_ADC_L_CTRL,
866 DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
867 SND_SOC_DAPM_ADC("ADC Right", NULL, DA7213_ADC_R_CTRL,
868 DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
869
870
871 SND_SOC_DAPM_MUX("DAI Left Source MUX", SND_SOC_NOPM, 0, 0,
872 &da7213_dai_l_src_mux),
873 SND_SOC_DAPM_MUX("DAI Right Source MUX", SND_SOC_NOPM, 0, 0,
874 &da7213_dai_r_src_mux),
875 SND_SOC_DAPM_AIF_OUT("DAIOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0),
876 SND_SOC_DAPM_AIF_OUT("DAIOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0),
877
878
879
880
881
882
883 SND_SOC_DAPM_AIF_IN("DAIINL", "Playback", 0, SND_SOC_NOPM, 0, 0),
884 SND_SOC_DAPM_AIF_IN("DAIINR", "Playback", 1, SND_SOC_NOPM, 0, 0),
885 SND_SOC_DAPM_MUX("DAC Left Source MUX", SND_SOC_NOPM, 0, 0,
886 &da7213_dac_l_src_mux),
887 SND_SOC_DAPM_MUX("DAC Right Source MUX", SND_SOC_NOPM, 0, 0,
888 &da7213_dac_r_src_mux),
889
890
891 SND_SOC_DAPM_DAC("DAC Left", NULL, DA7213_DAC_L_CTRL,
892 DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
893 SND_SOC_DAPM_DAC("DAC Right", NULL, DA7213_DAC_R_CTRL,
894 DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
895
896
897 SND_SOC_DAPM_MIXER("Mixout Left", SND_SOC_NOPM, 0, 0,
898 &da7213_dapm_mixoutl_controls[0],
899 ARRAY_SIZE(da7213_dapm_mixoutl_controls)),
900 SND_SOC_DAPM_MIXER("Mixout Right", SND_SOC_NOPM, 0, 0,
901 &da7213_dapm_mixoutr_controls[0],
902 ARRAY_SIZE(da7213_dapm_mixoutr_controls)),
903
904
905 SND_SOC_DAPM_PGA("Mixout Left PGA", DA7213_MIXOUT_L_CTRL,
906 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
907 SND_SOC_DAPM_PGA("Mixout Right PGA", DA7213_MIXOUT_R_CTRL,
908 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
909 SND_SOC_DAPM_PGA("Lineout PGA", DA7213_LINE_CTRL, DA7213_AMP_EN_SHIFT,
910 DA7213_NO_INVERT, NULL, 0),
911 SND_SOC_DAPM_PGA("Headphone Left PGA", DA7213_HP_L_CTRL,
912 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
913 SND_SOC_DAPM_PGA("Headphone Right PGA", DA7213_HP_R_CTRL,
914 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
915
916
917 SND_SOC_DAPM_SUPPLY("Charge Pump", DA7213_CP_CTRL, DA7213_CP_EN_SHIFT,
918 DA7213_NO_INVERT, NULL, 0),
919
920
921 SND_SOC_DAPM_OUTPUT("HPL"),
922 SND_SOC_DAPM_OUTPUT("HPR"),
923 SND_SOC_DAPM_OUTPUT("LINE"),
924 };
925
926
927
928
929
930
931 static const struct snd_soc_dapm_route da7213_audio_map[] = {
932
933
934
935 {"MIC1", NULL, "Mic Bias 1"},
936 {"MIC2", NULL, "Mic Bias 2"},
937
938 {"Mic 1 Amp Source MUX", "Differential", "MIC1"},
939 {"Mic 1 Amp Source MUX", "MIC_P", "MIC1"},
940 {"Mic 1 Amp Source MUX", "MIC_N", "MIC1"},
941
942 {"Mic 2 Amp Source MUX", "Differential", "MIC2"},
943 {"Mic 2 Amp Source MUX", "MIC_P", "MIC2"},
944 {"Mic 2 Amp Source MUX", "MIC_N", "MIC2"},
945
946 {"Mic 1 PGA", NULL, "Mic 1 Amp Source MUX"},
947 {"Mic 2 PGA", NULL, "Mic 2 Amp Source MUX"},
948
949 {"Aux Left PGA", NULL, "AUXL"},
950 {"Aux Right PGA", NULL, "AUXR"},
951
952 {"Mixin Left", "Aux Left Switch", "Aux Left PGA"},
953 {"Mixin Left", "Mic 1 Switch", "Mic 1 PGA"},
954 {"Mixin Left", "Mic 2 Switch", "Mic 2 PGA"},
955 {"Mixin Left", "Mixin Right Switch", "Mixin Right PGA"},
956
957 {"Mixin Right", "Aux Right Switch", "Aux Right PGA"},
958 {"Mixin Right", "Mic 2 Switch", "Mic 2 PGA"},
959 {"Mixin Right", "Mic 1 Switch", "Mic 1 PGA"},
960 {"Mixin Right", "Mixin Left Switch", "Mixin Left PGA"},
961
962 {"Mixin Left PGA", NULL, "Mixin Left"},
963 {"ADC Left", NULL, "Mixin Left PGA"},
964
965 {"Mixin Right PGA", NULL, "Mixin Right"},
966 {"ADC Right", NULL, "Mixin Right PGA"},
967
968 {"DAI Left Source MUX", "ADC Left", "ADC Left"},
969 {"DAI Left Source MUX", "ADC Right", "ADC Right"},
970 {"DAI Left Source MUX", "DAI Input Left", "DAIINL"},
971 {"DAI Left Source MUX", "DAI Input Right", "DAIINR"},
972
973 {"DAI Right Source MUX", "ADC Left", "ADC Left"},
974 {"DAI Right Source MUX", "ADC Right", "ADC Right"},
975 {"DAI Right Source MUX", "DAI Input Left", "DAIINL"},
976 {"DAI Right Source MUX", "DAI Input Right", "DAIINR"},
977
978 {"DAIOUTL", NULL, "DAI Left Source MUX"},
979 {"DAIOUTR", NULL, "DAI Right Source MUX"},
980
981 {"DAIOUTL", NULL, "DAI"},
982 {"DAIOUTR", NULL, "DAI"},
983
984
985 {"DAIINL", NULL, "DAI"},
986 {"DAIINR", NULL, "DAI"},
987
988 {"DAC Left Source MUX", "ADC Output Left", "ADC Left"},
989 {"DAC Left Source MUX", "ADC Output Right", "ADC Right"},
990 {"DAC Left Source MUX", "DAI Input Left", "DAIINL"},
991 {"DAC Left Source MUX", "DAI Input Right", "DAIINR"},
992
993 {"DAC Right Source MUX", "ADC Output Left", "ADC Left"},
994 {"DAC Right Source MUX", "ADC Output Right", "ADC Right"},
995 {"DAC Right Source MUX", "DAI Input Left", "DAIINL"},
996 {"DAC Right Source MUX", "DAI Input Right", "DAIINR"},
997
998 {"DAC Left", NULL, "DAC Left Source MUX"},
999 {"DAC Right", NULL, "DAC Right Source MUX"},
1000
1001 {"Mixout Left", "Aux Left Switch", "Aux Left PGA"},
1002 {"Mixout Left", "Mixin Left Switch", "Mixin Left PGA"},
1003 {"Mixout Left", "Mixin Right Switch", "Mixin Right PGA"},
1004 {"Mixout Left", "DAC Left Switch", "DAC Left"},
1005 {"Mixout Left", "Aux Left Invert Switch", "Aux Left PGA"},
1006 {"Mixout Left", "Mixin Left Invert Switch", "Mixin Left PGA"},
1007 {"Mixout Left", "Mixin Right Invert Switch", "Mixin Right PGA"},
1008
1009 {"Mixout Right", "Aux Right Switch", "Aux Right PGA"},
1010 {"Mixout Right", "Mixin Right Switch", "Mixin Right PGA"},
1011 {"Mixout Right", "Mixin Left Switch", "Mixin Left PGA"},
1012 {"Mixout Right", "DAC Right Switch", "DAC Right"},
1013 {"Mixout Right", "Aux Right Invert Switch", "Aux Right PGA"},
1014 {"Mixout Right", "Mixin Right Invert Switch", "Mixin Right PGA"},
1015 {"Mixout Right", "Mixin Left Invert Switch", "Mixin Left PGA"},
1016
1017 {"Mixout Left PGA", NULL, "Mixout Left"},
1018 {"Mixout Right PGA", NULL, "Mixout Right"},
1019
1020 {"Headphone Left PGA", NULL, "Mixout Left PGA"},
1021 {"Headphone Left PGA", NULL, "Charge Pump"},
1022 {"HPL", NULL, "Headphone Left PGA"},
1023
1024 {"Headphone Right PGA", NULL, "Mixout Right PGA"},
1025 {"Headphone Right PGA", NULL, "Charge Pump"},
1026 {"HPR", NULL, "Headphone Right PGA"},
1027
1028 {"Lineout PGA", NULL, "Mixout Right PGA"},
1029 {"LINE", NULL, "Lineout PGA"},
1030 };
1031
1032 static const struct reg_default da7213_reg_defaults[] = {
1033 { DA7213_DIG_ROUTING_DAI, 0x10 },
1034 { DA7213_SR, 0x0A },
1035 { DA7213_REFERENCES, 0x80 },
1036 { DA7213_PLL_FRAC_TOP, 0x00 },
1037 { DA7213_PLL_FRAC_BOT, 0x00 },
1038 { DA7213_PLL_INTEGER, 0x20 },
1039 { DA7213_PLL_CTRL, 0x0C },
1040 { DA7213_DAI_CLK_MODE, 0x01 },
1041 { DA7213_DAI_CTRL, 0x08 },
1042 { DA7213_DIG_ROUTING_DAC, 0x32 },
1043 { DA7213_AUX_L_GAIN, 0x35 },
1044 { DA7213_AUX_R_GAIN, 0x35 },
1045 { DA7213_MIXIN_L_SELECT, 0x00 },
1046 { DA7213_MIXIN_R_SELECT, 0x00 },
1047 { DA7213_MIXIN_L_GAIN, 0x03 },
1048 { DA7213_MIXIN_R_GAIN, 0x03 },
1049 { DA7213_ADC_L_GAIN, 0x6F },
1050 { DA7213_ADC_R_GAIN, 0x6F },
1051 { DA7213_ADC_FILTERS1, 0x80 },
1052 { DA7213_MIC_1_GAIN, 0x01 },
1053 { DA7213_MIC_2_GAIN, 0x01 },
1054 { DA7213_DAC_FILTERS5, 0x00 },
1055 { DA7213_DAC_FILTERS2, 0x88 },
1056 { DA7213_DAC_FILTERS3, 0x88 },
1057 { DA7213_DAC_FILTERS4, 0x08 },
1058 { DA7213_DAC_FILTERS1, 0x80 },
1059 { DA7213_DAC_L_GAIN, 0x6F },
1060 { DA7213_DAC_R_GAIN, 0x6F },
1061 { DA7213_CP_CTRL, 0x61 },
1062 { DA7213_HP_L_GAIN, 0x39 },
1063 { DA7213_HP_R_GAIN, 0x39 },
1064 { DA7213_LINE_GAIN, 0x30 },
1065 { DA7213_MIXOUT_L_SELECT, 0x00 },
1066 { DA7213_MIXOUT_R_SELECT, 0x00 },
1067 { DA7213_SYSTEM_MODES_INPUT, 0x00 },
1068 { DA7213_SYSTEM_MODES_OUTPUT, 0x00 },
1069 { DA7213_AUX_L_CTRL, 0x44 },
1070 { DA7213_AUX_R_CTRL, 0x44 },
1071 { DA7213_MICBIAS_CTRL, 0x11 },
1072 { DA7213_MIC_1_CTRL, 0x40 },
1073 { DA7213_MIC_2_CTRL, 0x40 },
1074 { DA7213_MIXIN_L_CTRL, 0x40 },
1075 { DA7213_MIXIN_R_CTRL, 0x40 },
1076 { DA7213_ADC_L_CTRL, 0x40 },
1077 { DA7213_ADC_R_CTRL, 0x40 },
1078 { DA7213_DAC_L_CTRL, 0x48 },
1079 { DA7213_DAC_R_CTRL, 0x40 },
1080 { DA7213_HP_L_CTRL, 0x41 },
1081 { DA7213_HP_R_CTRL, 0x40 },
1082 { DA7213_LINE_CTRL, 0x40 },
1083 { DA7213_MIXOUT_L_CTRL, 0x10 },
1084 { DA7213_MIXOUT_R_CTRL, 0x10 },
1085 { DA7213_LDO_CTRL, 0x00 },
1086 { DA7213_IO_CTRL, 0x00 },
1087 { DA7213_GAIN_RAMP_CTRL, 0x00},
1088 { DA7213_MIC_CONFIG, 0x00 },
1089 { DA7213_PC_COUNT, 0x00 },
1090 { DA7213_CP_VOL_THRESHOLD1, 0x32 },
1091 { DA7213_CP_DELAY, 0x95 },
1092 { DA7213_CP_DETECTOR, 0x00 },
1093 { DA7213_DAI_OFFSET, 0x00 },
1094 { DA7213_DIG_CTRL, 0x00 },
1095 { DA7213_ALC_CTRL2, 0x00 },
1096 { DA7213_ALC_CTRL3, 0x00 },
1097 { DA7213_ALC_NOISE, 0x3F },
1098 { DA7213_ALC_TARGET_MIN, 0x3F },
1099 { DA7213_ALC_TARGET_MAX, 0x00 },
1100 { DA7213_ALC_GAIN_LIMITS, 0xFF },
1101 { DA7213_ALC_ANA_GAIN_LIMITS, 0x71 },
1102 { DA7213_ALC_ANTICLIP_CTRL, 0x00 },
1103 { DA7213_ALC_ANTICLIP_LEVEL, 0x00 },
1104 { DA7213_ALC_OFFSET_MAN_M_L, 0x00 },
1105 { DA7213_ALC_OFFSET_MAN_U_L, 0x00 },
1106 { DA7213_ALC_OFFSET_MAN_M_R, 0x00 },
1107 { DA7213_ALC_OFFSET_MAN_U_R, 0x00 },
1108 { DA7213_ALC_CIC_OP_LVL_CTRL, 0x00 },
1109 { DA7213_DAC_NG_SETUP_TIME, 0x00 },
1110 { DA7213_DAC_NG_OFF_THRESHOLD, 0x00 },
1111 { DA7213_DAC_NG_ON_THRESHOLD, 0x00 },
1112 { DA7213_DAC_NG_CTRL, 0x00 },
1113 };
1114
1115 static bool da7213_volatile_register(struct device *dev, unsigned int reg)
1116 {
1117 switch (reg) {
1118 case DA7213_STATUS1:
1119 case DA7213_PLL_STATUS:
1120 case DA7213_AUX_L_GAIN_STATUS:
1121 case DA7213_AUX_R_GAIN_STATUS:
1122 case DA7213_MIC_1_GAIN_STATUS:
1123 case DA7213_MIC_2_GAIN_STATUS:
1124 case DA7213_MIXIN_L_GAIN_STATUS:
1125 case DA7213_MIXIN_R_GAIN_STATUS:
1126 case DA7213_ADC_L_GAIN_STATUS:
1127 case DA7213_ADC_R_GAIN_STATUS:
1128 case DA7213_DAC_L_GAIN_STATUS:
1129 case DA7213_DAC_R_GAIN_STATUS:
1130 case DA7213_HP_L_GAIN_STATUS:
1131 case DA7213_HP_R_GAIN_STATUS:
1132 case DA7213_LINE_GAIN_STATUS:
1133 case DA7213_ALC_CTRL1:
1134 case DA7213_ALC_OFFSET_AUTO_M_L:
1135 case DA7213_ALC_OFFSET_AUTO_U_L:
1136 case DA7213_ALC_OFFSET_AUTO_M_R:
1137 case DA7213_ALC_OFFSET_AUTO_U_R:
1138 case DA7213_ALC_CIC_OP_LVL_DATA:
1139 return true;
1140 default:
1141 return false;
1142 }
1143 }
1144
1145 static int da7213_hw_params(struct snd_pcm_substream *substream,
1146 struct snd_pcm_hw_params *params,
1147 struct snd_soc_dai *dai)
1148 {
1149 struct snd_soc_component *component = dai->component;
1150 u8 dai_ctrl = 0;
1151 u8 fs;
1152
1153
1154 switch (params_width(params)) {
1155 case 16:
1156 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S16_LE;
1157 break;
1158 case 20:
1159 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S20_LE;
1160 break;
1161 case 24:
1162 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S24_LE;
1163 break;
1164 case 32:
1165 dai_ctrl |= DA7213_DAI_WORD_LENGTH_S32_LE;
1166 break;
1167 default:
1168 return -EINVAL;
1169 }
1170
1171
1172 switch (params_rate(params)) {
1173 case 8000:
1174 fs = DA7213_SR_8000;
1175 break;
1176 case 11025:
1177 fs = DA7213_SR_11025;
1178 break;
1179 case 12000:
1180 fs = DA7213_SR_12000;
1181 break;
1182 case 16000:
1183 fs = DA7213_SR_16000;
1184 break;
1185 case 22050:
1186 fs = DA7213_SR_22050;
1187 break;
1188 case 32000:
1189 fs = DA7213_SR_32000;
1190 break;
1191 case 44100:
1192 fs = DA7213_SR_44100;
1193 break;
1194 case 48000:
1195 fs = DA7213_SR_48000;
1196 break;
1197 case 88200:
1198 fs = DA7213_SR_88200;
1199 break;
1200 case 96000:
1201 fs = DA7213_SR_96000;
1202 break;
1203 default:
1204 return -EINVAL;
1205 }
1206
1207 snd_soc_component_update_bits(component, DA7213_DAI_CTRL, DA7213_DAI_WORD_LENGTH_MASK,
1208 dai_ctrl);
1209 snd_soc_component_write(component, DA7213_SR, fs);
1210
1211 return 0;
1212 }
1213
1214 static int da7213_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1215 {
1216 struct snd_soc_component *component = codec_dai->component;
1217 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1218 u8 dai_clk_mode = 0, dai_ctrl = 0;
1219 u8 dai_offset = 0;
1220
1221
1222 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1223 case SND_SOC_DAIFMT_CBM_CFM:
1224 da7213->master = true;
1225 break;
1226 case SND_SOC_DAIFMT_CBS_CFS:
1227 da7213->master = false;
1228 break;
1229 default:
1230 return -EINVAL;
1231 }
1232
1233
1234 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1235 case SND_SOC_DAIFMT_I2S:
1236 case SND_SOC_DAIFMT_LEFT_J:
1237 case SND_SOC_DAIFMT_RIGHT_J:
1238 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1239 case SND_SOC_DAIFMT_NB_NF:
1240 break;
1241 case SND_SOC_DAIFMT_NB_IF:
1242 dai_clk_mode |= DA7213_DAI_WCLK_POL_INV;
1243 break;
1244 case SND_SOC_DAIFMT_IB_NF:
1245 dai_clk_mode |= DA7213_DAI_CLK_POL_INV;
1246 break;
1247 case SND_SOC_DAIFMT_IB_IF:
1248 dai_clk_mode |= DA7213_DAI_WCLK_POL_INV |
1249 DA7213_DAI_CLK_POL_INV;
1250 break;
1251 default:
1252 return -EINVAL;
1253 }
1254 break;
1255 case SND_SOC_DAI_FORMAT_DSP_A:
1256 case SND_SOC_DAI_FORMAT_DSP_B:
1257
1258 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1259 case SND_SOC_DAIFMT_NB_NF:
1260 dai_clk_mode |= DA7213_DAI_CLK_POL_INV;
1261 break;
1262 case SND_SOC_DAIFMT_NB_IF:
1263 dai_clk_mode |= DA7213_DAI_WCLK_POL_INV |
1264 DA7213_DAI_CLK_POL_INV;
1265 break;
1266 case SND_SOC_DAIFMT_IB_NF:
1267 break;
1268 case SND_SOC_DAIFMT_IB_IF:
1269 dai_clk_mode |= DA7213_DAI_WCLK_POL_INV;
1270 break;
1271 default:
1272 return -EINVAL;
1273 }
1274 break;
1275 default:
1276 return -EINVAL;
1277 }
1278
1279
1280 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1281 case SND_SOC_DAIFMT_I2S:
1282 dai_ctrl |= DA7213_DAI_FORMAT_I2S_MODE;
1283 break;
1284 case SND_SOC_DAIFMT_LEFT_J:
1285 dai_ctrl |= DA7213_DAI_FORMAT_LEFT_J;
1286 break;
1287 case SND_SOC_DAIFMT_RIGHT_J:
1288 dai_ctrl |= DA7213_DAI_FORMAT_RIGHT_J;
1289 break;
1290 case SND_SOC_DAI_FORMAT_DSP_A:
1291 dai_ctrl |= DA7213_DAI_FORMAT_DSP;
1292 dai_offset = 1;
1293 break;
1294 case SND_SOC_DAI_FORMAT_DSP_B:
1295 dai_ctrl |= DA7213_DAI_FORMAT_DSP;
1296 break;
1297 default:
1298 return -EINVAL;
1299 }
1300
1301
1302 dai_clk_mode |= DA7213_DAI_BCLKS_PER_WCLK_64;
1303
1304 snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
1305 DA7213_DAI_BCLKS_PER_WCLK_MASK |
1306 DA7213_DAI_CLK_POL_MASK | DA7213_DAI_WCLK_POL_MASK,
1307 dai_clk_mode);
1308 snd_soc_component_update_bits(component, DA7213_DAI_CTRL, DA7213_DAI_FORMAT_MASK,
1309 dai_ctrl);
1310 snd_soc_component_write(component, DA7213_DAI_OFFSET, dai_offset);
1311
1312 return 0;
1313 }
1314
1315 static int da7213_mute(struct snd_soc_dai *dai, int mute)
1316 {
1317 struct snd_soc_component *component = dai->component;
1318
1319 if (mute) {
1320 snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL,
1321 DA7213_MUTE_EN, DA7213_MUTE_EN);
1322 snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL,
1323 DA7213_MUTE_EN, DA7213_MUTE_EN);
1324 } else {
1325 snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL,
1326 DA7213_MUTE_EN, 0);
1327 snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL,
1328 DA7213_MUTE_EN, 0);
1329 }
1330
1331 return 0;
1332 }
1333
1334 #define DA7213_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1335 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1336
1337 static int da7213_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1338 int clk_id, unsigned int freq, int dir)
1339 {
1340 struct snd_soc_component *component = codec_dai->component;
1341 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1342 int ret = 0;
1343
1344 if ((da7213->clk_src == clk_id) && (da7213->mclk_rate == freq))
1345 return 0;
1346
1347 if (((freq < 5000000) && (freq != 32768)) || (freq > 54000000)) {
1348 dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1349 freq);
1350 return -EINVAL;
1351 }
1352
1353 switch (clk_id) {
1354 case DA7213_CLKSRC_MCLK:
1355 snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1356 DA7213_PLL_MCLK_SQR_EN, 0);
1357 break;
1358 case DA7213_CLKSRC_MCLK_SQR:
1359 snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1360 DA7213_PLL_MCLK_SQR_EN,
1361 DA7213_PLL_MCLK_SQR_EN);
1362 break;
1363 default:
1364 dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1365 return -EINVAL;
1366 }
1367
1368 da7213->clk_src = clk_id;
1369
1370 if (da7213->mclk) {
1371 freq = clk_round_rate(da7213->mclk, freq);
1372 ret = clk_set_rate(da7213->mclk, freq);
1373 if (ret) {
1374 dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
1375 freq);
1376 return ret;
1377 }
1378 }
1379
1380 da7213->mclk_rate = freq;
1381
1382 return 0;
1383 }
1384
1385
1386 static int da7213_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1387 int source, unsigned int fref, unsigned int fout)
1388 {
1389 struct snd_soc_component *component = codec_dai->component;
1390 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1391
1392 u8 pll_ctrl, indiv_bits, indiv;
1393 u8 pll_frac_top, pll_frac_bot, pll_integer;
1394 u32 freq_ref;
1395 u64 frac_div;
1396
1397
1398 if (da7213->mclk_rate == 32768) {
1399 if (!da7213->master) {
1400 dev_err(component->dev,
1401 "32KHz only valid if codec is clock master\n");
1402 return -EINVAL;
1403 }
1404
1405
1406 indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ;
1407 indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL;
1408 source = DA7213_SYSCLK_PLL_32KHZ;
1409 freq_ref = 3750000;
1410
1411 } else {
1412 if (da7213->mclk_rate < 5000000) {
1413 dev_err(component->dev,
1414 "PLL input clock %d below valid range\n",
1415 da7213->mclk_rate);
1416 return -EINVAL;
1417 } else if (da7213->mclk_rate <= 9000000) {
1418 indiv_bits = DA7213_PLL_INDIV_5_TO_9_MHZ;
1419 indiv = DA7213_PLL_INDIV_5_TO_9_MHZ_VAL;
1420 } else if (da7213->mclk_rate <= 18000000) {
1421 indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ;
1422 indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL;
1423 } else if (da7213->mclk_rate <= 36000000) {
1424 indiv_bits = DA7213_PLL_INDIV_18_TO_36_MHZ;
1425 indiv = DA7213_PLL_INDIV_18_TO_36_MHZ_VAL;
1426 } else if (da7213->mclk_rate <= 54000000) {
1427 indiv_bits = DA7213_PLL_INDIV_36_TO_54_MHZ;
1428 indiv = DA7213_PLL_INDIV_36_TO_54_MHZ_VAL;
1429 } else {
1430 dev_err(component->dev,
1431 "PLL input clock %d above valid range\n",
1432 da7213->mclk_rate);
1433 return -EINVAL;
1434 }
1435 freq_ref = (da7213->mclk_rate / indiv);
1436 }
1437
1438 pll_ctrl = indiv_bits;
1439
1440
1441 switch (source) {
1442 case DA7213_SYSCLK_MCLK:
1443 snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1444 DA7213_PLL_INDIV_MASK |
1445 DA7213_PLL_MODE_MASK, pll_ctrl);
1446 return 0;
1447 case DA7213_SYSCLK_PLL:
1448 break;
1449 case DA7213_SYSCLK_PLL_SRM:
1450 pll_ctrl |= DA7213_PLL_SRM_EN;
1451 fout = DA7213_PLL_FREQ_OUT_94310400;
1452 break;
1453 case DA7213_SYSCLK_PLL_32KHZ:
1454 if (da7213->mclk_rate != 32768) {
1455 dev_err(component->dev,
1456 "32KHz mode only valid with 32KHz MCLK\n");
1457 return -EINVAL;
1458 }
1459
1460 pll_ctrl |= DA7213_PLL_32K_MODE | DA7213_PLL_SRM_EN;
1461 fout = DA7213_PLL_FREQ_OUT_94310400;
1462 break;
1463 default:
1464 dev_err(component->dev, "Invalid PLL config\n");
1465 return -EINVAL;
1466 }
1467
1468
1469 pll_integer = fout / freq_ref;
1470 frac_div = (u64)(fout % freq_ref) * 8192ULL;
1471 do_div(frac_div, freq_ref);
1472 pll_frac_top = (frac_div >> DA7213_BYTE_SHIFT) & DA7213_BYTE_MASK;
1473 pll_frac_bot = (frac_div) & DA7213_BYTE_MASK;
1474
1475
1476 snd_soc_component_write(component, DA7213_PLL_FRAC_TOP, pll_frac_top);
1477 snd_soc_component_write(component, DA7213_PLL_FRAC_BOT, pll_frac_bot);
1478 snd_soc_component_write(component, DA7213_PLL_INTEGER, pll_integer);
1479
1480
1481 pll_ctrl |= DA7213_PLL_EN;
1482 snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1483 DA7213_PLL_INDIV_MASK | DA7213_PLL_MODE_MASK,
1484 pll_ctrl);
1485
1486
1487 if (source == DA7213_SYSCLK_PLL_32KHZ) {
1488 snd_soc_component_write(component, 0xF0, 0x8B);
1489 snd_soc_component_write(component, 0xF1, 0x03);
1490 snd_soc_component_write(component, 0xF1, 0x01);
1491 snd_soc_component_write(component, 0xF0, 0x00);
1492 }
1493
1494 return 0;
1495 }
1496
1497
1498 static const struct snd_soc_dai_ops da7213_dai_ops = {
1499 .hw_params = da7213_hw_params,
1500 .set_fmt = da7213_set_dai_fmt,
1501 .set_sysclk = da7213_set_dai_sysclk,
1502 .set_pll = da7213_set_dai_pll,
1503 .digital_mute = da7213_mute,
1504 };
1505
1506 static struct snd_soc_dai_driver da7213_dai = {
1507 .name = "da7213-hifi",
1508
1509 .playback = {
1510 .stream_name = "Playback",
1511 .channels_min = 1,
1512 .channels_max = 2,
1513 .rates = SNDRV_PCM_RATE_8000_96000,
1514 .formats = DA7213_FORMATS,
1515 },
1516
1517 .capture = {
1518 .stream_name = "Capture",
1519 .channels_min = 1,
1520 .channels_max = 2,
1521 .rates = SNDRV_PCM_RATE_8000_96000,
1522 .formats = DA7213_FORMATS,
1523 },
1524 .ops = &da7213_dai_ops,
1525 .symmetric_rates = 1,
1526 };
1527
1528 static int da7213_set_bias_level(struct snd_soc_component *component,
1529 enum snd_soc_bias_level level)
1530 {
1531 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1532 int ret;
1533
1534 switch (level) {
1535 case SND_SOC_BIAS_ON:
1536 break;
1537 case SND_SOC_BIAS_PREPARE:
1538
1539 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY) {
1540 if (da7213->mclk) {
1541 ret = clk_prepare_enable(da7213->mclk);
1542 if (ret) {
1543 dev_err(component->dev,
1544 "Failed to enable mclk\n");
1545 return ret;
1546 }
1547 }
1548 }
1549 break;
1550 case SND_SOC_BIAS_STANDBY:
1551 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1552
1553 snd_soc_component_update_bits(component, DA7213_REFERENCES,
1554 DA7213_VMID_EN | DA7213_BIAS_EN,
1555 DA7213_VMID_EN | DA7213_BIAS_EN);
1556 } else {
1557
1558 if (da7213->mclk)
1559 clk_disable_unprepare(da7213->mclk);
1560 }
1561 break;
1562 case SND_SOC_BIAS_OFF:
1563
1564 snd_soc_component_update_bits(component, DA7213_REFERENCES,
1565 DA7213_VMID_EN | DA7213_BIAS_EN, 0);
1566 break;
1567 }
1568 return 0;
1569 }
1570
1571 #if defined(CONFIG_OF)
1572
1573 static const struct of_device_id da7213_of_match[] = {
1574 { .compatible = "dlg,da7213", },
1575 { }
1576 };
1577 MODULE_DEVICE_TABLE(of, da7213_of_match);
1578 #endif
1579
1580 #ifdef CONFIG_ACPI
1581 static const struct acpi_device_id da7213_acpi_match[] = {
1582 { "DLGS7212", 0},
1583 { "DLGS7213", 0},
1584 { },
1585 };
1586 MODULE_DEVICE_TABLE(acpi, da7213_acpi_match);
1587 #endif
1588
1589 static enum da7213_micbias_voltage
1590 da7213_of_micbias_lvl(struct snd_soc_component *component, u32 val)
1591 {
1592 switch (val) {
1593 case 1600:
1594 return DA7213_MICBIAS_1_6V;
1595 case 2200:
1596 return DA7213_MICBIAS_2_2V;
1597 case 2500:
1598 return DA7213_MICBIAS_2_5V;
1599 case 3000:
1600 return DA7213_MICBIAS_3_0V;
1601 default:
1602 dev_warn(component->dev, "Invalid micbias level\n");
1603 return DA7213_MICBIAS_2_2V;
1604 }
1605 }
1606
1607 static enum da7213_dmic_data_sel
1608 da7213_of_dmic_data_sel(struct snd_soc_component *component, const char *str)
1609 {
1610 if (!strcmp(str, "lrise_rfall")) {
1611 return DA7213_DMIC_DATA_LRISE_RFALL;
1612 } else if (!strcmp(str, "lfall_rrise")) {
1613 return DA7213_DMIC_DATA_LFALL_RRISE;
1614 } else {
1615 dev_warn(component->dev, "Invalid DMIC data select type\n");
1616 return DA7213_DMIC_DATA_LRISE_RFALL;
1617 }
1618 }
1619
1620 static enum da7213_dmic_samplephase
1621 da7213_of_dmic_samplephase(struct snd_soc_component *component, const char *str)
1622 {
1623 if (!strcmp(str, "on_clkedge")) {
1624 return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1625 } else if (!strcmp(str, "between_clkedge")) {
1626 return DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE;
1627 } else {
1628 dev_warn(component->dev, "Invalid DMIC sample phase\n");
1629 return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1630 }
1631 }
1632
1633 static enum da7213_dmic_clk_rate
1634 da7213_of_dmic_clkrate(struct snd_soc_component *component, u32 val)
1635 {
1636 switch (val) {
1637 case 1500000:
1638 return DA7213_DMIC_CLK_1_5MHZ;
1639 case 3000000:
1640 return DA7213_DMIC_CLK_3_0MHZ;
1641 default:
1642 dev_warn(component->dev, "Invalid DMIC clock rate\n");
1643 return DA7213_DMIC_CLK_1_5MHZ;
1644 }
1645 }
1646
1647 static struct da7213_platform_data
1648 *da7213_fw_to_pdata(struct snd_soc_component *component)
1649 {
1650 struct device *dev = component->dev;
1651 struct da7213_platform_data *pdata;
1652 const char *fw_str;
1653 u32 fw_val32;
1654
1655 pdata = devm_kzalloc(component->dev, sizeof(*pdata), GFP_KERNEL);
1656 if (!pdata)
1657 return NULL;
1658
1659 if (device_property_read_u32(dev, "dlg,micbias1-lvl", &fw_val32) >= 0)
1660 pdata->micbias1_lvl = da7213_of_micbias_lvl(component, fw_val32);
1661 else
1662 pdata->micbias1_lvl = DA7213_MICBIAS_2_2V;
1663
1664 if (device_property_read_u32(dev, "dlg,micbias2-lvl", &fw_val32) >= 0)
1665 pdata->micbias2_lvl = da7213_of_micbias_lvl(component, fw_val32);
1666 else
1667 pdata->micbias2_lvl = DA7213_MICBIAS_2_2V;
1668
1669 if (!device_property_read_string(dev, "dlg,dmic-data-sel", &fw_str))
1670 pdata->dmic_data_sel = da7213_of_dmic_data_sel(component, fw_str);
1671 else
1672 pdata->dmic_data_sel = DA7213_DMIC_DATA_LRISE_RFALL;
1673
1674 if (!device_property_read_string(dev, "dlg,dmic-samplephase", &fw_str))
1675 pdata->dmic_samplephase =
1676 da7213_of_dmic_samplephase(component, fw_str);
1677 else
1678 pdata->dmic_samplephase = DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1679
1680 if (device_property_read_u32(dev, "dlg,dmic-clkrate", &fw_val32) >= 0)
1681 pdata->dmic_clk_rate = da7213_of_dmic_clkrate(component, fw_val32);
1682 else
1683 pdata->dmic_clk_rate = DA7213_DMIC_CLK_3_0MHZ;
1684
1685 return pdata;
1686 }
1687
1688
1689 static int da7213_probe(struct snd_soc_component *component)
1690 {
1691 struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1692
1693
1694 snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
1695 DA7213_ALC_CALIB_MODE_MAN, 0);
1696 da7213->alc_calib_auto = true;
1697
1698
1699 snd_soc_component_update_bits(component, DA7213_PC_COUNT, DA7213_PC_FREERUN_MASK,
1700 DA7213_PC_FREERUN_MASK);
1701
1702
1703 snd_soc_component_update_bits(component, DA7213_AUX_L_CTRL,
1704 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1705 snd_soc_component_update_bits(component, DA7213_AUX_R_CTRL,
1706 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1707 snd_soc_component_update_bits(component, DA7213_MIXIN_L_CTRL,
1708 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1709 snd_soc_component_update_bits(component, DA7213_MIXIN_R_CTRL,
1710 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1711 snd_soc_component_update_bits(component, DA7213_ADC_L_CTRL,
1712 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1713 snd_soc_component_update_bits(component, DA7213_ADC_R_CTRL,
1714 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1715 snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL,
1716 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1717 snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL,
1718 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1719 snd_soc_component_update_bits(component, DA7213_HP_L_CTRL,
1720 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1721 snd_soc_component_update_bits(component, DA7213_HP_R_CTRL,
1722 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1723 snd_soc_component_update_bits(component, DA7213_LINE_CTRL,
1724 DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734 snd_soc_component_update_bits(component, DA7213_MIXIN_L_CTRL,
1735 DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
1736 snd_soc_component_update_bits(component, DA7213_MIXIN_R_CTRL,
1737 DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
1738
1739 snd_soc_component_update_bits(component, DA7213_MIXOUT_L_CTRL,
1740 DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
1741 snd_soc_component_update_bits(component, DA7213_MIXOUT_R_CTRL,
1742 DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
1743
1744 snd_soc_component_update_bits(component, DA7213_HP_L_CTRL,
1745 DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
1746 snd_soc_component_update_bits(component, DA7213_HP_R_CTRL,
1747 DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
1748
1749 snd_soc_component_update_bits(component, DA7213_LINE_CTRL,
1750 DA7213_LINE_AMP_OE, DA7213_LINE_AMP_OE);
1751
1752
1753 da7213->pdata = dev_get_platdata(component->dev);
1754 if (!da7213->pdata)
1755 da7213->pdata = da7213_fw_to_pdata(component);
1756
1757
1758 if (da7213->pdata) {
1759 struct da7213_platform_data *pdata = da7213->pdata;
1760 u8 micbias_lvl = 0, dmic_cfg = 0;
1761
1762
1763 switch (pdata->micbias1_lvl) {
1764 case DA7213_MICBIAS_1_6V:
1765 case DA7213_MICBIAS_2_2V:
1766 case DA7213_MICBIAS_2_5V:
1767 case DA7213_MICBIAS_3_0V:
1768 micbias_lvl |= (pdata->micbias1_lvl <<
1769 DA7213_MICBIAS1_LEVEL_SHIFT);
1770 break;
1771 }
1772 switch (pdata->micbias2_lvl) {
1773 case DA7213_MICBIAS_1_6V:
1774 case DA7213_MICBIAS_2_2V:
1775 case DA7213_MICBIAS_2_5V:
1776 case DA7213_MICBIAS_3_0V:
1777 micbias_lvl |= (pdata->micbias2_lvl <<
1778 DA7213_MICBIAS2_LEVEL_SHIFT);
1779 break;
1780 }
1781 snd_soc_component_update_bits(component, DA7213_MICBIAS_CTRL,
1782 DA7213_MICBIAS1_LEVEL_MASK |
1783 DA7213_MICBIAS2_LEVEL_MASK, micbias_lvl);
1784
1785
1786 switch (pdata->dmic_data_sel) {
1787 case DA7213_DMIC_DATA_LFALL_RRISE:
1788 case DA7213_DMIC_DATA_LRISE_RFALL:
1789 dmic_cfg |= (pdata->dmic_data_sel <<
1790 DA7213_DMIC_DATA_SEL_SHIFT);
1791 break;
1792 }
1793 switch (pdata->dmic_samplephase) {
1794 case DA7213_DMIC_SAMPLE_ON_CLKEDGE:
1795 case DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE:
1796 dmic_cfg |= (pdata->dmic_samplephase <<
1797 DA7213_DMIC_SAMPLEPHASE_SHIFT);
1798 break;
1799 }
1800 switch (pdata->dmic_clk_rate) {
1801 case DA7213_DMIC_CLK_3_0MHZ:
1802 case DA7213_DMIC_CLK_1_5MHZ:
1803 dmic_cfg |= (pdata->dmic_clk_rate <<
1804 DA7213_DMIC_CLK_RATE_SHIFT);
1805 break;
1806 }
1807 snd_soc_component_update_bits(component, DA7213_MIC_CONFIG,
1808 DA7213_DMIC_DATA_SEL_MASK |
1809 DA7213_DMIC_SAMPLEPHASE_MASK |
1810 DA7213_DMIC_CLK_RATE_MASK, dmic_cfg);
1811 }
1812
1813
1814 da7213->mclk = devm_clk_get(component->dev, "mclk");
1815 if (IS_ERR(da7213->mclk)) {
1816 if (PTR_ERR(da7213->mclk) != -ENOENT)
1817 return PTR_ERR(da7213->mclk);
1818 else
1819 da7213->mclk = NULL;
1820 }
1821
1822 return 0;
1823 }
1824
1825 static const struct snd_soc_component_driver soc_component_dev_da7213 = {
1826 .probe = da7213_probe,
1827 .set_bias_level = da7213_set_bias_level,
1828 .controls = da7213_snd_controls,
1829 .num_controls = ARRAY_SIZE(da7213_snd_controls),
1830 .dapm_widgets = da7213_dapm_widgets,
1831 .num_dapm_widgets = ARRAY_SIZE(da7213_dapm_widgets),
1832 .dapm_routes = da7213_audio_map,
1833 .num_dapm_routes = ARRAY_SIZE(da7213_audio_map),
1834 .idle_bias_on = 1,
1835 .use_pmdown_time = 1,
1836 .endianness = 1,
1837 .non_legacy_dai_naming = 1,
1838 };
1839
1840 static const struct regmap_config da7213_regmap_config = {
1841 .reg_bits = 8,
1842 .val_bits = 8,
1843
1844 .reg_defaults = da7213_reg_defaults,
1845 .num_reg_defaults = ARRAY_SIZE(da7213_reg_defaults),
1846 .volatile_reg = da7213_volatile_register,
1847 .cache_type = REGCACHE_RBTREE,
1848 };
1849
1850 static int da7213_i2c_probe(struct i2c_client *i2c,
1851 const struct i2c_device_id *id)
1852 {
1853 struct da7213_priv *da7213;
1854 int ret;
1855
1856 da7213 = devm_kzalloc(&i2c->dev, sizeof(*da7213), GFP_KERNEL);
1857 if (!da7213)
1858 return -ENOMEM;
1859
1860 i2c_set_clientdata(i2c, da7213);
1861
1862 da7213->regmap = devm_regmap_init_i2c(i2c, &da7213_regmap_config);
1863 if (IS_ERR(da7213->regmap)) {
1864 ret = PTR_ERR(da7213->regmap);
1865 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
1866 return ret;
1867 }
1868
1869 ret = devm_snd_soc_register_component(&i2c->dev,
1870 &soc_component_dev_da7213, &da7213_dai, 1);
1871 if (ret < 0) {
1872 dev_err(&i2c->dev, "Failed to register da7213 component: %d\n",
1873 ret);
1874 }
1875 return ret;
1876 }
1877
1878 static const struct i2c_device_id da7213_i2c_id[] = {
1879 { "da7213", 0 },
1880 { }
1881 };
1882 MODULE_DEVICE_TABLE(i2c, da7213_i2c_id);
1883
1884
1885 static struct i2c_driver da7213_i2c_driver = {
1886 .driver = {
1887 .name = "da7213",
1888 .of_match_table = of_match_ptr(da7213_of_match),
1889 .acpi_match_table = ACPI_PTR(da7213_acpi_match),
1890 },
1891 .probe = da7213_i2c_probe,
1892 .id_table = da7213_i2c_id,
1893 };
1894
1895 module_i2c_driver(da7213_i2c_driver);
1896
1897 MODULE_DESCRIPTION("ASoC DA7213 Codec driver");
1898 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
1899 MODULE_LICENSE("GPL");