1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * wm8994.c -- WM8994 ALSA SoC Audio driver
4 *
5 * Copyright 2009-12 Wolfson Microelectronics plc
6 *
7 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
8 */
9
10 #include <linux/module.h>
11 #include <linux/moduleparam.h>
12 #include <linux/init.h>
13 #include <linux/delay.h>
14 #include <linux/pm.h>
15 #include <linux/gcd.h>
16 #include <linux/i2c.h>
17 #include <linux/platform_device.h>
18 #include <linux/pm_runtime.h>
19 #include <linux/regulator/consumer.h>
20 #include <linux/slab.h>
21 #include <sound/core.h>
22 #include <sound/jack.h>
23 #include <sound/pcm.h>
24 #include <sound/pcm_params.h>
25 #include <sound/soc.h>
26 #include <sound/initval.h>
27 #include <sound/tlv.h>
28 #include <trace/events/asoc.h>
29
30 #include <linux/mfd/wm8994/core.h>
31 #include <linux/mfd/wm8994/registers.h>
32 #include <linux/mfd/wm8994/pdata.h>
33 #include <linux/mfd/wm8994/gpio.h>
34
35 #include "wm8994.h"
36 #include "wm_hubs.h"
37
38 #define WM1811_JACKDET_MODE_NONE 0x0000
39 #define WM1811_JACKDET_MODE_JACK 0x0100
40 #define WM1811_JACKDET_MODE_MIC 0x0080
41 #define WM1811_JACKDET_MODE_AUDIO 0x0180
42
43 #define WM8994_NUM_DRC 3
44 #define WM8994_NUM_EQ 3
45
46 struct wm8994_reg_mask {
47 unsigned int reg;
48 unsigned int mask;
49 };
50
51 static struct wm8994_reg_mask wm8994_vu_bits[] = {
52 { WM8994_LEFT_LINE_INPUT_1_2_VOLUME, WM8994_IN1_VU },
53 { WM8994_RIGHT_LINE_INPUT_1_2_VOLUME, WM8994_IN1_VU },
54 { WM8994_LEFT_LINE_INPUT_3_4_VOLUME, WM8994_IN2_VU },
55 { WM8994_RIGHT_LINE_INPUT_3_4_VOLUME, WM8994_IN2_VU },
56 { WM8994_SPEAKER_VOLUME_LEFT, WM8994_SPKOUT_VU },
57 { WM8994_SPEAKER_VOLUME_RIGHT, WM8994_SPKOUT_VU },
58 { WM8994_LEFT_OUTPUT_VOLUME, WM8994_HPOUT1_VU },
59 { WM8994_RIGHT_OUTPUT_VOLUME, WM8994_HPOUT1_VU },
60 { WM8994_LEFT_OPGA_VOLUME, WM8994_MIXOUT_VU },
61 { WM8994_RIGHT_OPGA_VOLUME, WM8994_MIXOUT_VU },
62
63 { WM8994_AIF1_DAC1_LEFT_VOLUME, WM8994_AIF1DAC1_VU },
64 { WM8994_AIF1_DAC1_RIGHT_VOLUME, WM8994_AIF1DAC1_VU },
65 { WM8994_AIF2_DAC_LEFT_VOLUME, WM8994_AIF2DAC_VU },
66 { WM8994_AIF2_DAC_RIGHT_VOLUME, WM8994_AIF2DAC_VU },
67 { WM8994_AIF1_ADC1_LEFT_VOLUME, WM8994_AIF1ADC1_VU },
68 { WM8994_AIF1_ADC1_RIGHT_VOLUME, WM8994_AIF1ADC1_VU },
69 { WM8994_AIF2_ADC_LEFT_VOLUME, WM8994_AIF2ADC_VU },
70 { WM8994_AIF2_ADC_RIGHT_VOLUME, WM8994_AIF1ADC2_VU },
71 { WM8994_DAC1_LEFT_VOLUME, WM8994_DAC1_VU },
72 { WM8994_DAC1_RIGHT_VOLUME, WM8994_DAC1_VU },
73 { WM8994_DAC2_LEFT_VOLUME, WM8994_DAC2_VU },
74 { WM8994_DAC2_RIGHT_VOLUME, WM8994_DAC2_VU },
75 };
76
77 /* VU bitfields for ADC2, DAC2 not available on WM1811 */
78 static struct wm8994_reg_mask wm8994_adc2_dac2_vu_bits[] = {
79 { WM8994_AIF1_DAC2_LEFT_VOLUME, WM8994_AIF1DAC2_VU },
80 { WM8994_AIF1_DAC2_RIGHT_VOLUME, WM8994_AIF1DAC2_VU },
81 { WM8994_AIF1_ADC2_LEFT_VOLUME, WM8994_AIF1ADC2_VU },
82 { WM8994_AIF1_ADC2_RIGHT_VOLUME, WM8994_AIF1ADC2_VU },
83 };
84
85 static int wm8994_drc_base[] = {
86 WM8994_AIF1_DRC1_1,
87 WM8994_AIF1_DRC2_1,
88 WM8994_AIF2_DRC_1,
89 };
90
91 static int wm8994_retune_mobile_base[] = {
92 WM8994_AIF1_DAC1_EQ_GAINS_1,
93 WM8994_AIF1_DAC2_EQ_GAINS_1,
94 WM8994_AIF2_EQ_GAINS_1,
95 };
96
97 static const struct wm8958_micd_rate micdet_rates[] = {
98 { 32768, true, 1, 4 },
99 { 32768, false, 1, 1 },
100 { 44100 * 256, true, 7, 10 },
101 { 44100 * 256, false, 7, 10 },
102 };
103
104 static const struct wm8958_micd_rate jackdet_rates[] = {
105 { 32768, true, 0, 1 },
106 { 32768, false, 0, 1 },
107 { 44100 * 256, true, 10, 10 },
108 { 44100 * 256, false, 7, 8 },
109 };
110
wm8958_micd_set_rate(struct snd_soc_component * component)111 static void wm8958_micd_set_rate(struct snd_soc_component *component)
112 {
113 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
114 struct wm8994 *control = wm8994->wm8994;
115 int best, i, sysclk, val;
116 bool idle;
117 const struct wm8958_micd_rate *rates;
118 int num_rates;
119
120 idle = !wm8994->jack_mic;
121
122 sysclk = snd_soc_component_read(component, WM8994_CLOCKING_1);
123 if (sysclk & WM8994_SYSCLK_SRC)
124 sysclk = wm8994->aifclk[1];
125 else
126 sysclk = wm8994->aifclk[0];
127
128 if (control->pdata.micd_rates) {
129 rates = control->pdata.micd_rates;
130 num_rates = control->pdata.num_micd_rates;
131 } else if (wm8994->jackdet) {
132 rates = jackdet_rates;
133 num_rates = ARRAY_SIZE(jackdet_rates);
134 } else {
135 rates = micdet_rates;
136 num_rates = ARRAY_SIZE(micdet_rates);
137 }
138
139 best = 0;
140 for (i = 0; i < num_rates; i++) {
141 if (rates[i].idle != idle)
142 continue;
143 if (abs(rates[i].sysclk - sysclk) <
144 abs(rates[best].sysclk - sysclk))
145 best = i;
146 else if (rates[best].idle != idle)
147 best = i;
148 }
149
150 val = rates[best].start << WM8958_MICD_BIAS_STARTTIME_SHIFT
151 | rates[best].rate << WM8958_MICD_RATE_SHIFT;
152
153 dev_dbg(component->dev, "MICD rate %d,%d for %dHz %s\n",
154 rates[best].start, rates[best].rate, sysclk,
155 idle ? "idle" : "active");
156
157 snd_soc_component_update_bits(component, WM8958_MIC_DETECT_1,
158 WM8958_MICD_BIAS_STARTTIME_MASK |
159 WM8958_MICD_RATE_MASK, val);
160 }
161
configure_aif_clock(struct snd_soc_component * component,int aif)162 static int configure_aif_clock(struct snd_soc_component *component, int aif)
163 {
164 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
165 int rate;
166 int reg1 = 0;
167 int offset;
168
169 if (aif)
170 offset = 4;
171 else
172 offset = 0;
173
174 switch (wm8994->sysclk[aif]) {
175 case WM8994_SYSCLK_MCLK1:
176 rate = wm8994->mclk_rate[0];
177 break;
178
179 case WM8994_SYSCLK_MCLK2:
180 reg1 |= 0x8;
181 rate = wm8994->mclk_rate[1];
182 break;
183
184 case WM8994_SYSCLK_FLL1:
185 reg1 |= 0x10;
186 rate = wm8994->fll[0].out;
187 break;
188
189 case WM8994_SYSCLK_FLL2:
190 reg1 |= 0x18;
191 rate = wm8994->fll[1].out;
192 break;
193
194 default:
195 return -EINVAL;
196 }
197
198 if (rate >= 13500000) {
199 rate /= 2;
200 reg1 |= WM8994_AIF1CLK_DIV;
201
202 dev_dbg(component->dev, "Dividing AIF%d clock to %dHz\n",
203 aif + 1, rate);
204 }
205
206 wm8994->aifclk[aif] = rate;
207
208 snd_soc_component_update_bits(component, WM8994_AIF1_CLOCKING_1 + offset,
209 WM8994_AIF1CLK_SRC_MASK | WM8994_AIF1CLK_DIV,
210 reg1);
211
212 return 0;
213 }
214
configure_clock(struct snd_soc_component * component)215 static int configure_clock(struct snd_soc_component *component)
216 {
217 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
218 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
219 int change, new;
220
221 /* Bring up the AIF clocks first */
222 configure_aif_clock(component, 0);
223 configure_aif_clock(component, 1);
224
225 /* Then switch CLK_SYS over to the higher of them; a change
226 * can only happen as a result of a clocking change which can
227 * only be made outside of DAPM so we can safely redo the
228 * clocking.
229 */
230
231 /* If they're equal it doesn't matter which is used */
232 if (wm8994->aifclk[0] == wm8994->aifclk[1]) {
233 wm8958_micd_set_rate(component);
234 return 0;
235 }
236
237 if (wm8994->aifclk[0] < wm8994->aifclk[1])
238 new = WM8994_SYSCLK_SRC;
239 else
240 new = 0;
241
242 change = snd_soc_component_update_bits(component, WM8994_CLOCKING_1,
243 WM8994_SYSCLK_SRC, new);
244 if (change)
245 snd_soc_dapm_sync(dapm);
246
247 wm8958_micd_set_rate(component);
248
249 return 0;
250 }
251
check_clk_sys(struct snd_soc_dapm_widget * source,struct snd_soc_dapm_widget * sink)252 static int check_clk_sys(struct snd_soc_dapm_widget *source,
253 struct snd_soc_dapm_widget *sink)
254 {
255 struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
256 int reg = snd_soc_component_read(component, WM8994_CLOCKING_1);
257 const char *clk;
258
259 /* Check what we're currently using for CLK_SYS */
260 if (reg & WM8994_SYSCLK_SRC)
261 clk = "AIF2CLK";
262 else
263 clk = "AIF1CLK";
264
265 return strcmp(source->name, clk) == 0;
266 }
267
268 static const char *sidetone_hpf_text[] = {
269 "2.7kHz", "1.35kHz", "675Hz", "370Hz", "180Hz", "90Hz", "45Hz"
270 };
271
272 static SOC_ENUM_SINGLE_DECL(sidetone_hpf,
273 WM8994_SIDETONE, 7, sidetone_hpf_text);
274
275 static const char *adc_hpf_text[] = {
276 "HiFi", "Voice 1", "Voice 2", "Voice 3"
277 };
278
279 static SOC_ENUM_SINGLE_DECL(aif1adc1_hpf,
280 WM8994_AIF1_ADC1_FILTERS, 13, adc_hpf_text);
281
282 static SOC_ENUM_SINGLE_DECL(aif1adc2_hpf,
283 WM8994_AIF1_ADC2_FILTERS, 13, adc_hpf_text);
284
285 static SOC_ENUM_SINGLE_DECL(aif2adc_hpf,
286 WM8994_AIF2_ADC_FILTERS, 13, adc_hpf_text);
287
288 static const DECLARE_TLV_DB_SCALE(aif_tlv, 0, 600, 0);
289 static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1);
290 static const DECLARE_TLV_DB_SCALE(st_tlv, -3600, 300, 0);
291 static const DECLARE_TLV_DB_SCALE(wm8994_3d_tlv, -1600, 183, 0);
292 static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
293 static const DECLARE_TLV_DB_SCALE(ng_tlv, -10200, 600, 0);
294
295 #define WM8994_DRC_SWITCH(xname, reg, shift) \
296 SOC_SINGLE_EXT(xname, reg, shift, 1, 0, \
297 snd_soc_get_volsw, wm8994_put_drc_sw)
298
wm8994_put_drc_sw(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)299 static int wm8994_put_drc_sw(struct snd_kcontrol *kcontrol,
300 struct snd_ctl_elem_value *ucontrol)
301 {
302 struct soc_mixer_control *mc =
303 (struct soc_mixer_control *)kcontrol->private_value;
304 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
305 int mask, ret;
306
307 /* Can't enable both ADC and DAC paths simultaneously */
308 if (mc->shift == WM8994_AIF1DAC1_DRC_ENA_SHIFT)
309 mask = WM8994_AIF1ADC1L_DRC_ENA_MASK |
310 WM8994_AIF1ADC1R_DRC_ENA_MASK;
311 else
312 mask = WM8994_AIF1DAC1_DRC_ENA_MASK;
313
314 ret = snd_soc_component_read(component, mc->reg);
315 if (ret < 0)
316 return ret;
317 if (ret & mask)
318 return -EINVAL;
319
320 return snd_soc_put_volsw(kcontrol, ucontrol);
321 }
322
wm8994_set_drc(struct snd_soc_component * component,int drc)323 static void wm8994_set_drc(struct snd_soc_component *component, int drc)
324 {
325 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
326 struct wm8994 *control = wm8994->wm8994;
327 struct wm8994_pdata *pdata = &control->pdata;
328 int base = wm8994_drc_base[drc];
329 int cfg = wm8994->drc_cfg[drc];
330 int save, i;
331
332 /* Save any enables; the configuration should clear them. */
333 save = snd_soc_component_read(component, base);
334 save &= WM8994_AIF1DAC1_DRC_ENA | WM8994_AIF1ADC1L_DRC_ENA |
335 WM8994_AIF1ADC1R_DRC_ENA;
336
337 for (i = 0; i < WM8994_DRC_REGS; i++)
338 snd_soc_component_update_bits(component, base + i, 0xffff,
339 pdata->drc_cfgs[cfg].regs[i]);
340
341 snd_soc_component_update_bits(component, base, WM8994_AIF1DAC1_DRC_ENA |
342 WM8994_AIF1ADC1L_DRC_ENA |
343 WM8994_AIF1ADC1R_DRC_ENA, save);
344 }
345
346 /* Icky as hell but saves code duplication */
wm8994_get_drc(const char * name)347 static int wm8994_get_drc(const char *name)
348 {
349 if (strcmp(name, "AIF1DRC1 Mode") == 0)
350 return 0;
351 if (strcmp(name, "AIF1DRC2 Mode") == 0)
352 return 1;
353 if (strcmp(name, "AIF2DRC Mode") == 0)
354 return 2;
355 return -EINVAL;
356 }
357
wm8994_put_drc_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)358 static int wm8994_put_drc_enum(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 wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
363 struct wm8994 *control = wm8994->wm8994;
364 struct wm8994_pdata *pdata = &control->pdata;
365 int drc = wm8994_get_drc(kcontrol->id.name);
366 int value = ucontrol->value.enumerated.item[0];
367
368 if (drc < 0)
369 return drc;
370
371 if (value >= pdata->num_drc_cfgs)
372 return -EINVAL;
373
374 wm8994->drc_cfg[drc] = value;
375
376 wm8994_set_drc(component, drc);
377
378 return 0;
379 }
380
wm8994_get_drc_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)381 static int wm8994_get_drc_enum(struct snd_kcontrol *kcontrol,
382 struct snd_ctl_elem_value *ucontrol)
383 {
384 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
385 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
386 int drc = wm8994_get_drc(kcontrol->id.name);
387
388 if (drc < 0)
389 return drc;
390 ucontrol->value.enumerated.item[0] = wm8994->drc_cfg[drc];
391
392 return 0;
393 }
394
wm8994_set_retune_mobile(struct snd_soc_component * component,int block)395 static void wm8994_set_retune_mobile(struct snd_soc_component *component, int block)
396 {
397 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
398 struct wm8994 *control = wm8994->wm8994;
399 struct wm8994_pdata *pdata = &control->pdata;
400 int base = wm8994_retune_mobile_base[block];
401 int iface, best, best_val, save, i, cfg;
402
403 if (!pdata || !wm8994->num_retune_mobile_texts)
404 return;
405
406 switch (block) {
407 case 0:
408 case 1:
409 iface = 0;
410 break;
411 case 2:
412 iface = 1;
413 break;
414 default:
415 return;
416 }
417
418 /* Find the version of the currently selected configuration
419 * with the nearest sample rate. */
420 cfg = wm8994->retune_mobile_cfg[block];
421 best = 0;
422 best_val = INT_MAX;
423 for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
424 if (strcmp(pdata->retune_mobile_cfgs[i].name,
425 wm8994->retune_mobile_texts[cfg]) == 0 &&
426 abs(pdata->retune_mobile_cfgs[i].rate
427 - wm8994->dac_rates[iface]) < best_val) {
428 best = i;
429 best_val = abs(pdata->retune_mobile_cfgs[i].rate
430 - wm8994->dac_rates[iface]);
431 }
432 }
433
434 dev_dbg(component->dev, "ReTune Mobile %d %s/%dHz for %dHz sample rate\n",
435 block,
436 pdata->retune_mobile_cfgs[best].name,
437 pdata->retune_mobile_cfgs[best].rate,
438 wm8994->dac_rates[iface]);
439
440 /* The EQ will be disabled while reconfiguring it, remember the
441 * current configuration.
442 */
443 save = snd_soc_component_read(component, base);
444 save &= WM8994_AIF1DAC1_EQ_ENA;
445
446 for (i = 0; i < WM8994_EQ_REGS; i++)
447 snd_soc_component_update_bits(component, base + i, 0xffff,
448 pdata->retune_mobile_cfgs[best].regs[i]);
449
450 snd_soc_component_update_bits(component, base, WM8994_AIF1DAC1_EQ_ENA, save);
451 }
452
453 /* Icky as hell but saves code duplication */
wm8994_get_retune_mobile_block(const char * name)454 static int wm8994_get_retune_mobile_block(const char *name)
455 {
456 if (strcmp(name, "AIF1.1 EQ Mode") == 0)
457 return 0;
458 if (strcmp(name, "AIF1.2 EQ Mode") == 0)
459 return 1;
460 if (strcmp(name, "AIF2 EQ Mode") == 0)
461 return 2;
462 return -EINVAL;
463 }
464
wm8994_put_retune_mobile_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)465 static int wm8994_put_retune_mobile_enum(struct snd_kcontrol *kcontrol,
466 struct snd_ctl_elem_value *ucontrol)
467 {
468 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
469 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
470 struct wm8994 *control = wm8994->wm8994;
471 struct wm8994_pdata *pdata = &control->pdata;
472 int block = wm8994_get_retune_mobile_block(kcontrol->id.name);
473 int value = ucontrol->value.enumerated.item[0];
474
475 if (block < 0)
476 return block;
477
478 if (value >= pdata->num_retune_mobile_cfgs)
479 return -EINVAL;
480
481 wm8994->retune_mobile_cfg[block] = value;
482
483 wm8994_set_retune_mobile(component, block);
484
485 return 0;
486 }
487
wm8994_get_retune_mobile_enum(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)488 static int wm8994_get_retune_mobile_enum(struct snd_kcontrol *kcontrol,
489 struct snd_ctl_elem_value *ucontrol)
490 {
491 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
492 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
493 int block = wm8994_get_retune_mobile_block(kcontrol->id.name);
494
495 if (block < 0)
496 return block;
497
498 ucontrol->value.enumerated.item[0] = wm8994->retune_mobile_cfg[block];
499
500 return 0;
501 }
502
503 static const char *aif_chan_src_text[] = {
504 "Left", "Right"
505 };
506
507 static SOC_ENUM_SINGLE_DECL(aif1adcl_src,
508 WM8994_AIF1_CONTROL_1, 15, aif_chan_src_text);
509
510 static SOC_ENUM_SINGLE_DECL(aif1adcr_src,
511 WM8994_AIF1_CONTROL_1, 14, aif_chan_src_text);
512
513 static SOC_ENUM_SINGLE_DECL(aif2adcl_src,
514 WM8994_AIF2_CONTROL_1, 15, aif_chan_src_text);
515
516 static SOC_ENUM_SINGLE_DECL(aif2adcr_src,
517 WM8994_AIF2_CONTROL_1, 14, aif_chan_src_text);
518
519 static SOC_ENUM_SINGLE_DECL(aif1dacl_src,
520 WM8994_AIF1_CONTROL_2, 15, aif_chan_src_text);
521
522 static SOC_ENUM_SINGLE_DECL(aif1dacr_src,
523 WM8994_AIF1_CONTROL_2, 14, aif_chan_src_text);
524
525 static SOC_ENUM_SINGLE_DECL(aif2dacl_src,
526 WM8994_AIF2_CONTROL_2, 15, aif_chan_src_text);
527
528 static SOC_ENUM_SINGLE_DECL(aif2dacr_src,
529 WM8994_AIF2_CONTROL_2, 14, aif_chan_src_text);
530
531 static const char *osr_text[] = {
532 "Low Power", "High Performance",
533 };
534
535 static SOC_ENUM_SINGLE_DECL(dac_osr,
536 WM8994_OVERSAMPLING, 0, osr_text);
537
538 static SOC_ENUM_SINGLE_DECL(adc_osr,
539 WM8994_OVERSAMPLING, 1, osr_text);
540
541 static const struct snd_kcontrol_new wm8994_common_snd_controls[] = {
542 SOC_DOUBLE_R_TLV("AIF1ADC1 Volume", WM8994_AIF1_ADC1_LEFT_VOLUME,
543 WM8994_AIF1_ADC1_RIGHT_VOLUME,
544 1, 119, 0, digital_tlv),
545 SOC_DOUBLE_R_TLV("AIF2ADC Volume", WM8994_AIF2_ADC_LEFT_VOLUME,
546 WM8994_AIF2_ADC_RIGHT_VOLUME,
547 1, 119, 0, digital_tlv),
548
549 SOC_ENUM("AIF1ADCL Source", aif1adcl_src),
550 SOC_ENUM("AIF1ADCR Source", aif1adcr_src),
551 SOC_ENUM("AIF2ADCL Source", aif2adcl_src),
552 SOC_ENUM("AIF2ADCR Source", aif2adcr_src),
553
554 SOC_ENUM("AIF1DACL Source", aif1dacl_src),
555 SOC_ENUM("AIF1DACR Source", aif1dacr_src),
556 SOC_ENUM("AIF2DACL Source", aif2dacl_src),
557 SOC_ENUM("AIF2DACR Source", aif2dacr_src),
558
559 SOC_DOUBLE_R_TLV("AIF1DAC1 Volume", WM8994_AIF1_DAC1_LEFT_VOLUME,
560 WM8994_AIF1_DAC1_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
561 SOC_DOUBLE_R_TLV("AIF2DAC Volume", WM8994_AIF2_DAC_LEFT_VOLUME,
562 WM8994_AIF2_DAC_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
563
564 SOC_SINGLE_TLV("AIF1 Boost Volume", WM8994_AIF1_CONTROL_2, 10, 3, 0, aif_tlv),
565 SOC_SINGLE_TLV("AIF2 Boost Volume", WM8994_AIF2_CONTROL_2, 10, 3, 0, aif_tlv),
566
567 SOC_SINGLE("AIF1DAC1 EQ Switch", WM8994_AIF1_DAC1_EQ_GAINS_1, 0, 1, 0),
568 SOC_SINGLE("AIF2 EQ Switch", WM8994_AIF2_EQ_GAINS_1, 0, 1, 0),
569
570 WM8994_DRC_SWITCH("AIF1DAC1 DRC Switch", WM8994_AIF1_DRC1_1, 2),
571 WM8994_DRC_SWITCH("AIF1ADC1L DRC Switch", WM8994_AIF1_DRC1_1, 1),
572 WM8994_DRC_SWITCH("AIF1ADC1R DRC Switch", WM8994_AIF1_DRC1_1, 0),
573
574 WM8994_DRC_SWITCH("AIF2DAC DRC Switch", WM8994_AIF2_DRC_1, 2),
575 WM8994_DRC_SWITCH("AIF2ADCL DRC Switch", WM8994_AIF2_DRC_1, 1),
576 WM8994_DRC_SWITCH("AIF2ADCR DRC Switch", WM8994_AIF2_DRC_1, 0),
577
578 SOC_SINGLE_TLV("DAC1 Right Sidetone Volume", WM8994_DAC1_MIXER_VOLUMES,
579 5, 12, 0, st_tlv),
580 SOC_SINGLE_TLV("DAC1 Left Sidetone Volume", WM8994_DAC1_MIXER_VOLUMES,
581 0, 12, 0, st_tlv),
582 SOC_SINGLE_TLV("DAC2 Right Sidetone Volume", WM8994_DAC2_MIXER_VOLUMES,
583 5, 12, 0, st_tlv),
584 SOC_SINGLE_TLV("DAC2 Left Sidetone Volume", WM8994_DAC2_MIXER_VOLUMES,
585 0, 12, 0, st_tlv),
586 SOC_ENUM("Sidetone HPF Mux", sidetone_hpf),
587 SOC_SINGLE("Sidetone HPF Switch", WM8994_SIDETONE, 6, 1, 0),
588
589 SOC_ENUM("AIF1ADC1 HPF Mode", aif1adc1_hpf),
590 SOC_DOUBLE("AIF1ADC1 HPF Switch", WM8994_AIF1_ADC1_FILTERS, 12, 11, 1, 0),
591
592 SOC_ENUM("AIF2ADC HPF Mode", aif2adc_hpf),
593 SOC_DOUBLE("AIF2ADC HPF Switch", WM8994_AIF2_ADC_FILTERS, 12, 11, 1, 0),
594
595 SOC_ENUM("ADC OSR", adc_osr),
596 SOC_ENUM("DAC OSR", dac_osr),
597
598 SOC_DOUBLE_R_TLV("DAC1 Volume", WM8994_DAC1_LEFT_VOLUME,
599 WM8994_DAC1_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
600 SOC_DOUBLE_R("DAC1 Switch", WM8994_DAC1_LEFT_VOLUME,
601 WM8994_DAC1_RIGHT_VOLUME, 9, 1, 1),
602
603 SOC_DOUBLE_R_TLV("DAC2 Volume", WM8994_DAC2_LEFT_VOLUME,
604 WM8994_DAC2_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
605 SOC_DOUBLE_R("DAC2 Switch", WM8994_DAC2_LEFT_VOLUME,
606 WM8994_DAC2_RIGHT_VOLUME, 9, 1, 1),
607
608 SOC_SINGLE_TLV("SPKL DAC2 Volume", WM8994_SPKMIXL_ATTENUATION,
609 6, 1, 1, wm_hubs_spkmix_tlv),
610 SOC_SINGLE_TLV("SPKL DAC1 Volume", WM8994_SPKMIXL_ATTENUATION,
611 2, 1, 1, wm_hubs_spkmix_tlv),
612
613 SOC_SINGLE_TLV("SPKR DAC2 Volume", WM8994_SPKMIXR_ATTENUATION,
614 6, 1, 1, wm_hubs_spkmix_tlv),
615 SOC_SINGLE_TLV("SPKR DAC1 Volume", WM8994_SPKMIXR_ATTENUATION,
616 2, 1, 1, wm_hubs_spkmix_tlv),
617
618 SOC_SINGLE_TLV("AIF1DAC1 3D Stereo Volume", WM8994_AIF1_DAC1_FILTERS_2,
619 10, 15, 0, wm8994_3d_tlv),
620 SOC_SINGLE("AIF1DAC1 3D Stereo Switch", WM8994_AIF1_DAC1_FILTERS_2,
621 8, 1, 0),
622 SOC_SINGLE_TLV("AIF1DAC2 3D Stereo Volume", WM8994_AIF1_DAC2_FILTERS_2,
623 10, 15, 0, wm8994_3d_tlv),
624 SOC_SINGLE("AIF1DAC2 3D Stereo Switch", WM8994_AIF1_DAC2_FILTERS_2,
625 8, 1, 0),
626 SOC_SINGLE_TLV("AIF2DAC 3D Stereo Volume", WM8994_AIF2_DAC_FILTERS_2,
627 10, 15, 0, wm8994_3d_tlv),
628 SOC_SINGLE("AIF2DAC 3D Stereo Switch", WM8994_AIF2_DAC_FILTERS_2,
629 8, 1, 0),
630 };
631
632 /* Controls not available on WM1811 */
633 static const struct snd_kcontrol_new wm8994_snd_controls[] = {
634 SOC_DOUBLE_R_TLV("AIF1ADC2 Volume", WM8994_AIF1_ADC2_LEFT_VOLUME,
635 WM8994_AIF1_ADC2_RIGHT_VOLUME,
636 1, 119, 0, digital_tlv),
637 SOC_DOUBLE_R_TLV("AIF1DAC2 Volume", WM8994_AIF1_DAC2_LEFT_VOLUME,
638 WM8994_AIF1_DAC2_RIGHT_VOLUME, 1, 96, 0, digital_tlv),
639
640 SOC_SINGLE("AIF1DAC2 EQ Switch", WM8994_AIF1_DAC2_EQ_GAINS_1, 0, 1, 0),
641
642 WM8994_DRC_SWITCH("AIF1DAC2 DRC Switch", WM8994_AIF1_DRC2_1, 2),
643 WM8994_DRC_SWITCH("AIF1ADC2L DRC Switch", WM8994_AIF1_DRC2_1, 1),
644 WM8994_DRC_SWITCH("AIF1ADC2R DRC Switch", WM8994_AIF1_DRC2_1, 0),
645
646 SOC_ENUM("AIF1ADC2 HPF Mode", aif1adc2_hpf),
647 SOC_DOUBLE("AIF1ADC2 HPF Switch", WM8994_AIF1_ADC2_FILTERS, 12, 11, 1, 0),
648 };
649
650 static const struct snd_kcontrol_new wm8994_eq_controls[] = {
651 SOC_SINGLE_TLV("AIF1DAC1 EQ1 Volume", WM8994_AIF1_DAC1_EQ_GAINS_1, 11, 31, 0,
652 eq_tlv),
653 SOC_SINGLE_TLV("AIF1DAC1 EQ2 Volume", WM8994_AIF1_DAC1_EQ_GAINS_1, 6, 31, 0,
654 eq_tlv),
655 SOC_SINGLE_TLV("AIF1DAC1 EQ3 Volume", WM8994_AIF1_DAC1_EQ_GAINS_1, 1, 31, 0,
656 eq_tlv),
657 SOC_SINGLE_TLV("AIF1DAC1 EQ4 Volume", WM8994_AIF1_DAC1_EQ_GAINS_2, 11, 31, 0,
658 eq_tlv),
659 SOC_SINGLE_TLV("AIF1DAC1 EQ5 Volume", WM8994_AIF1_DAC1_EQ_GAINS_2, 6, 31, 0,
660 eq_tlv),
661
662 SOC_SINGLE_TLV("AIF1DAC2 EQ1 Volume", WM8994_AIF1_DAC2_EQ_GAINS_1, 11, 31, 0,
663 eq_tlv),
664 SOC_SINGLE_TLV("AIF1DAC2 EQ2 Volume", WM8994_AIF1_DAC2_EQ_GAINS_1, 6, 31, 0,
665 eq_tlv),
666 SOC_SINGLE_TLV("AIF1DAC2 EQ3 Volume", WM8994_AIF1_DAC2_EQ_GAINS_1, 1, 31, 0,
667 eq_tlv),
668 SOC_SINGLE_TLV("AIF1DAC2 EQ4 Volume", WM8994_AIF1_DAC2_EQ_GAINS_2, 11, 31, 0,
669 eq_tlv),
670 SOC_SINGLE_TLV("AIF1DAC2 EQ5 Volume", WM8994_AIF1_DAC2_EQ_GAINS_2, 6, 31, 0,
671 eq_tlv),
672
673 SOC_SINGLE_TLV("AIF2 EQ1 Volume", WM8994_AIF2_EQ_GAINS_1, 11, 31, 0,
674 eq_tlv),
675 SOC_SINGLE_TLV("AIF2 EQ2 Volume", WM8994_AIF2_EQ_GAINS_1, 6, 31, 0,
676 eq_tlv),
677 SOC_SINGLE_TLV("AIF2 EQ3 Volume", WM8994_AIF2_EQ_GAINS_1, 1, 31, 0,
678 eq_tlv),
679 SOC_SINGLE_TLV("AIF2 EQ4 Volume", WM8994_AIF2_EQ_GAINS_2, 11, 31, 0,
680 eq_tlv),
681 SOC_SINGLE_TLV("AIF2 EQ5 Volume", WM8994_AIF2_EQ_GAINS_2, 6, 31, 0,
682 eq_tlv),
683 };
684
685 static const struct snd_kcontrol_new wm8994_drc_controls[] = {
686 SND_SOC_BYTES_MASK("AIF1.1 DRC", WM8994_AIF1_DRC1_1, 5,
687 WM8994_AIF1DAC1_DRC_ENA | WM8994_AIF1ADC1L_DRC_ENA |
688 WM8994_AIF1ADC1R_DRC_ENA),
689 SND_SOC_BYTES_MASK("AIF1.2 DRC", WM8994_AIF1_DRC2_1, 5,
690 WM8994_AIF1DAC2_DRC_ENA | WM8994_AIF1ADC2L_DRC_ENA |
691 WM8994_AIF1ADC2R_DRC_ENA),
692 SND_SOC_BYTES_MASK("AIF2 DRC", WM8994_AIF2_DRC_1, 5,
693 WM8994_AIF2DAC_DRC_ENA | WM8994_AIF2ADCL_DRC_ENA |
694 WM8994_AIF2ADCR_DRC_ENA),
695 };
696
697 static const char *wm8958_ng_text[] = {
698 "30ms", "125ms", "250ms", "500ms",
699 };
700
701 static SOC_ENUM_SINGLE_DECL(wm8958_aif1dac1_ng_hold,
702 WM8958_AIF1_DAC1_NOISE_GATE,
703 WM8958_AIF1DAC1_NG_THR_SHIFT,
704 wm8958_ng_text);
705
706 static SOC_ENUM_SINGLE_DECL(wm8958_aif1dac2_ng_hold,
707 WM8958_AIF1_DAC2_NOISE_GATE,
708 WM8958_AIF1DAC2_NG_THR_SHIFT,
709 wm8958_ng_text);
710
711 static SOC_ENUM_SINGLE_DECL(wm8958_aif2dac_ng_hold,
712 WM8958_AIF2_DAC_NOISE_GATE,
713 WM8958_AIF2DAC_NG_THR_SHIFT,
714 wm8958_ng_text);
715
716 static const struct snd_kcontrol_new wm8958_snd_controls[] = {
717 SOC_SINGLE_TLV("AIF3 Boost Volume", WM8958_AIF3_CONTROL_2, 10, 3, 0, aif_tlv),
718
719 SOC_SINGLE("AIF1DAC1 Noise Gate Switch", WM8958_AIF1_DAC1_NOISE_GATE,
720 WM8958_AIF1DAC1_NG_ENA_SHIFT, 1, 0),
721 SOC_ENUM("AIF1DAC1 Noise Gate Hold Time", wm8958_aif1dac1_ng_hold),
722 SOC_SINGLE_TLV("AIF1DAC1 Noise Gate Threshold Volume",
723 WM8958_AIF1_DAC1_NOISE_GATE, WM8958_AIF1DAC1_NG_THR_SHIFT,
724 7, 1, ng_tlv),
725
726 SOC_SINGLE("AIF1DAC2 Noise Gate Switch", WM8958_AIF1_DAC2_NOISE_GATE,
727 WM8958_AIF1DAC2_NG_ENA_SHIFT, 1, 0),
728 SOC_ENUM("AIF1DAC2 Noise Gate Hold Time", wm8958_aif1dac2_ng_hold),
729 SOC_SINGLE_TLV("AIF1DAC2 Noise Gate Threshold Volume",
730 WM8958_AIF1_DAC2_NOISE_GATE, WM8958_AIF1DAC2_NG_THR_SHIFT,
731 7, 1, ng_tlv),
732
733 SOC_SINGLE("AIF2DAC Noise Gate Switch", WM8958_AIF2_DAC_NOISE_GATE,
734 WM8958_AIF2DAC_NG_ENA_SHIFT, 1, 0),
735 SOC_ENUM("AIF2DAC Noise Gate Hold Time", wm8958_aif2dac_ng_hold),
736 SOC_SINGLE_TLV("AIF2DAC Noise Gate Threshold Volume",
737 WM8958_AIF2_DAC_NOISE_GATE, WM8958_AIF2DAC_NG_THR_SHIFT,
738 7, 1, ng_tlv),
739 };
740
741 /* We run all mode setting through a function to enforce audio mode */
wm1811_jackdet_set_mode(struct snd_soc_component * component,u16 mode)742 static void wm1811_jackdet_set_mode(struct snd_soc_component *component, u16 mode)
743 {
744 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
745
746 if (!wm8994->jackdet || !wm8994->micdet[0].jack)
747 return;
748
749 if (wm8994->active_refcount)
750 mode = WM1811_JACKDET_MODE_AUDIO;
751
752 if (mode == wm8994->jackdet_mode)
753 return;
754
755 wm8994->jackdet_mode = mode;
756
757 /* Always use audio mode to detect while the system is active */
758 if (mode != WM1811_JACKDET_MODE_NONE)
759 mode = WM1811_JACKDET_MODE_AUDIO;
760
761 snd_soc_component_update_bits(component, WM8994_ANTIPOP_2,
762 WM1811_JACKDET_MODE_MASK, mode);
763 }
764
active_reference(struct snd_soc_component * component)765 static void active_reference(struct snd_soc_component *component)
766 {
767 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
768
769 mutex_lock(&wm8994->accdet_lock);
770
771 wm8994->active_refcount++;
772
773 dev_dbg(component->dev, "Active refcount incremented, now %d\n",
774 wm8994->active_refcount);
775
776 /* If we're using jack detection go into audio mode */
777 wm1811_jackdet_set_mode(component, WM1811_JACKDET_MODE_AUDIO);
778
779 mutex_unlock(&wm8994->accdet_lock);
780 }
781
active_dereference(struct snd_soc_component * component)782 static void active_dereference(struct snd_soc_component *component)
783 {
784 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
785 u16 mode;
786
787 mutex_lock(&wm8994->accdet_lock);
788
789 wm8994->active_refcount--;
790
791 dev_dbg(component->dev, "Active refcount decremented, now %d\n",
792 wm8994->active_refcount);
793
794 if (wm8994->active_refcount == 0) {
795 /* Go into appropriate detection only mode */
796 if (wm8994->jack_mic || wm8994->mic_detecting)
797 mode = WM1811_JACKDET_MODE_MIC;
798 else
799 mode = WM1811_JACKDET_MODE_JACK;
800
801 wm1811_jackdet_set_mode(component, mode);
802 }
803
804 mutex_unlock(&wm8994->accdet_lock);
805 }
806
clk_sys_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)807 static int clk_sys_event(struct snd_soc_dapm_widget *w,
808 struct snd_kcontrol *kcontrol, int event)
809 {
810 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
811 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
812
813 switch (event) {
814 case SND_SOC_DAPM_PRE_PMU:
815 return configure_clock(component);
816
817 case SND_SOC_DAPM_POST_PMU:
818 /*
819 * JACKDET won't run until we start the clock and it
820 * only reports deltas, make sure we notify the state
821 * up the stack on startup. Use a *very* generous
822 * timeout for paranoia, there's no urgency and we
823 * don't want false reports.
824 */
825 if (wm8994->jackdet && !wm8994->clk_has_run) {
826 queue_delayed_work(system_power_efficient_wq,
827 &wm8994->jackdet_bootstrap,
828 msecs_to_jiffies(1000));
829 wm8994->clk_has_run = true;
830 }
831 break;
832
833 case SND_SOC_DAPM_POST_PMD:
834 configure_clock(component);
835 break;
836 }
837
838 return 0;
839 }
840
vmid_reference(struct snd_soc_component * component)841 static void vmid_reference(struct snd_soc_component *component)
842 {
843 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
844
845 pm_runtime_get_sync(component->dev);
846
847 wm8994->vmid_refcount++;
848
849 dev_dbg(component->dev, "Referencing VMID, refcount is now %d\n",
850 wm8994->vmid_refcount);
851
852 if (wm8994->vmid_refcount == 1) {
853 snd_soc_component_update_bits(component, WM8994_ANTIPOP_1,
854 WM8994_LINEOUT1_DISCH |
855 WM8994_LINEOUT2_DISCH, 0);
856
857 wm_hubs_vmid_ena(component);
858
859 switch (wm8994->vmid_mode) {
860 default:
861 WARN_ON(NULL == "Invalid VMID mode");
862 fallthrough;
863 case WM8994_VMID_NORMAL:
864 /* Startup bias, VMID ramp & buffer */
865 snd_soc_component_update_bits(component, WM8994_ANTIPOP_2,
866 WM8994_BIAS_SRC |
867 WM8994_VMID_DISCH |
868 WM8994_STARTUP_BIAS_ENA |
869 WM8994_VMID_BUF_ENA |
870 WM8994_VMID_RAMP_MASK,
871 WM8994_BIAS_SRC |
872 WM8994_STARTUP_BIAS_ENA |
873 WM8994_VMID_BUF_ENA |
874 (0x2 << WM8994_VMID_RAMP_SHIFT));
875
876 /* Main bias enable, VMID=2x40k */
877 snd_soc_component_update_bits(component, WM8994_POWER_MANAGEMENT_1,
878 WM8994_BIAS_ENA |
879 WM8994_VMID_SEL_MASK,
880 WM8994_BIAS_ENA | 0x2);
881
882 msleep(300);
883
884 snd_soc_component_update_bits(component, WM8994_ANTIPOP_2,
885 WM8994_VMID_RAMP_MASK |
886 WM8994_BIAS_SRC,
887 0);
888 break;
889
890 case WM8994_VMID_FORCE:
891 /* Startup bias, slow VMID ramp & buffer */
892 snd_soc_component_update_bits(component, WM8994_ANTIPOP_2,
893 WM8994_BIAS_SRC |
894 WM8994_VMID_DISCH |
895 WM8994_STARTUP_BIAS_ENA |
896 WM8994_VMID_BUF_ENA |
897 WM8994_VMID_RAMP_MASK,
898 WM8994_BIAS_SRC |
899 WM8994_STARTUP_BIAS_ENA |
900 WM8994_VMID_BUF_ENA |
901 (0x2 << WM8994_VMID_RAMP_SHIFT));
902
903 /* Main bias enable, VMID=2x40k */
904 snd_soc_component_update_bits(component, WM8994_POWER_MANAGEMENT_1,
905 WM8994_BIAS_ENA |
906 WM8994_VMID_SEL_MASK,
907 WM8994_BIAS_ENA | 0x2);
908
909 msleep(400);
910
911 snd_soc_component_update_bits(component, WM8994_ANTIPOP_2,
912 WM8994_VMID_RAMP_MASK |
913 WM8994_BIAS_SRC,
914 0);
915 break;
916 }
917 }
918 }
919
vmid_dereference(struct snd_soc_component * component)920 static void vmid_dereference(struct snd_soc_component *component)
921 {
922 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
923
924 wm8994->vmid_refcount--;
925
926 dev_dbg(component->dev, "Dereferencing VMID, refcount is now %d\n",
927 wm8994->vmid_refcount);
928
929 if (wm8994->vmid_refcount == 0) {
930 if (wm8994->hubs.lineout1_se)
931 snd_soc_component_update_bits(component, WM8994_POWER_MANAGEMENT_3,
932 WM8994_LINEOUT1N_ENA |
933 WM8994_LINEOUT1P_ENA,
934 WM8994_LINEOUT1N_ENA |
935 WM8994_LINEOUT1P_ENA);
936
937 if (wm8994->hubs.lineout2_se)
938 snd_soc_component_update_bits(component, WM8994_POWER_MANAGEMENT_3,
939 WM8994_LINEOUT2N_ENA |
940 WM8994_LINEOUT2P_ENA,
941 WM8994_LINEOUT2N_ENA |
942 WM8994_LINEOUT2P_ENA);
943
944 /* Start discharging VMID */
945 snd_soc_component_update_bits(component, WM8994_ANTIPOP_2,
946 WM8994_BIAS_SRC |
947 WM8994_VMID_DISCH,
948 WM8994_BIAS_SRC |
949 WM8994_VMID_DISCH);
950
951 snd_soc_component_update_bits(component, WM8994_POWER_MANAGEMENT_1,
952 WM8994_VMID_SEL_MASK, 0);
953
954 msleep(400);
955
956 /* Active discharge */
957 snd_soc_component_update_bits(component, WM8994_ANTIPOP_1,
958 WM8994_LINEOUT1_DISCH |
959 WM8994_LINEOUT2_DISCH,
960 WM8994_LINEOUT1_DISCH |
961 WM8994_LINEOUT2_DISCH);
962
963 snd_soc_component_update_bits(component, WM8994_POWER_MANAGEMENT_3,
964 WM8994_LINEOUT1N_ENA |
965 WM8994_LINEOUT1P_ENA |
966 WM8994_LINEOUT2N_ENA |
967 WM8994_LINEOUT2P_ENA, 0);
968
969 /* Switch off startup biases */
970 snd_soc_component_update_bits(component, WM8994_ANTIPOP_2,
971 WM8994_BIAS_SRC |
972 WM8994_STARTUP_BIAS_ENA |
973 WM8994_VMID_BUF_ENA |
974 WM8994_VMID_RAMP_MASK, 0);
975
976 snd_soc_component_update_bits(component, WM8994_POWER_MANAGEMENT_1,
977 WM8994_VMID_SEL_MASK, 0);
978 }
979
980 pm_runtime_put(component->dev);
981 }
982
vmid_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)983 static int vmid_event(struct snd_soc_dapm_widget *w,
984 struct snd_kcontrol *kcontrol, int event)
985 {
986 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
987
988 switch (event) {
989 case SND_SOC_DAPM_PRE_PMU:
990 vmid_reference(component);
991 break;
992
993 case SND_SOC_DAPM_POST_PMD:
994 vmid_dereference(component);
995 break;
996 }
997
998 return 0;
999 }
1000
wm8994_check_class_w_digital(struct snd_soc_component * component)1001 static bool wm8994_check_class_w_digital(struct snd_soc_component *component)
1002 {
1003 int source = 0; /* GCC flow analysis can't track enable */
1004 int reg, reg_r;
1005
1006 /* We also need the same AIF source for L/R and only one path */
1007 reg = snd_soc_component_read(component, WM8994_DAC1_LEFT_MIXER_ROUTING);
1008 switch (reg) {
1009 case WM8994_AIF2DACL_TO_DAC1L:
1010 dev_vdbg(component->dev, "Class W source AIF2DAC\n");
1011 source = 2 << WM8994_CP_DYN_SRC_SEL_SHIFT;
1012 break;
1013 case WM8994_AIF1DAC2L_TO_DAC1L:
1014 dev_vdbg(component->dev, "Class W source AIF1DAC2\n");
1015 source = 1 << WM8994_CP_DYN_SRC_SEL_SHIFT;
1016 break;
1017 case WM8994_AIF1DAC1L_TO_DAC1L:
1018 dev_vdbg(component->dev, "Class W source AIF1DAC1\n");
1019 source = 0 << WM8994_CP_DYN_SRC_SEL_SHIFT;
1020 break;
1021 default:
1022 dev_vdbg(component->dev, "DAC mixer setting: %x\n", reg);
1023 return false;
1024 }
1025
1026 reg_r = snd_soc_component_read(component, WM8994_DAC1_RIGHT_MIXER_ROUTING);
1027 if (reg_r != reg) {
1028 dev_vdbg(component->dev, "Left and right DAC mixers different\n");
1029 return false;
1030 }
1031
1032 /* Set the source up */
1033 snd_soc_component_update_bits(component, WM8994_CLASS_W_1,
1034 WM8994_CP_DYN_SRC_SEL_MASK, source);
1035
1036 return true;
1037 }
1038
wm8994_update_vu_bits(struct snd_soc_component * component)1039 static void wm8994_update_vu_bits(struct snd_soc_component *component)
1040 {
1041 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
1042 struct wm8994 *control = wm8994->wm8994;
1043 int i;
1044
1045 for (i = 0; i < ARRAY_SIZE(wm8994_vu_bits); i++)
1046 snd_soc_component_write(component, wm8994_vu_bits[i].reg,
1047 snd_soc_component_read(component,
1048 wm8994_vu_bits[i].reg));
1049 if (control->type == WM1811)
1050 return;
1051
1052 for (i = 0; i < ARRAY_SIZE(wm8994_adc2_dac2_vu_bits); i++)
1053 snd_soc_component_write(component,
1054 wm8994_adc2_dac2_vu_bits[i].reg,
1055 snd_soc_component_read(component,
1056 wm8994_adc2_dac2_vu_bits[i].reg));
1057 }
1058
aif_mclk_set(struct snd_soc_component * component,int aif,bool enable)1059 static int aif_mclk_set(struct snd_soc_component *component, int aif, bool enable)
1060 {
1061 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
1062 unsigned int offset, val, clk_idx;
1063 int ret;
1064
1065 if (aif)
1066 offset = 4;
1067 else
1068 offset = 0;
1069
1070 val = snd_soc_component_read(component, WM8994_AIF1_CLOCKING_1 + offset);
1071 val &= WM8994_AIF1CLK_SRC_MASK;
1072
1073 switch (val) {
1074 case 0:
1075 clk_idx = WM8994_MCLK1;
1076 break;
1077 case 1:
1078 clk_idx = WM8994_MCLK2;
1079 break;
1080 default:
1081 return 0;
1082 }
1083
1084 if (enable) {
1085 ret = clk_prepare_enable(wm8994->mclk[clk_idx].clk);
1086 if (ret < 0) {
1087 dev_err(component->dev, "Failed to enable MCLK%d\n",
1088 clk_idx);
1089 return ret;
1090 }
1091 } else {
1092 clk_disable_unprepare(wm8994->mclk[clk_idx].clk);
1093 }
1094
1095 return 0;
1096 }
1097
aif1clk_ev(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)1098 static int aif1clk_ev(struct snd_soc_dapm_widget *w,
1099 struct snd_kcontrol *kcontrol, int event)
1100 {
1101 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1102 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
1103 struct wm8994 *control = wm8994->wm8994;
1104 int mask = WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC1R_ENA;
1105 int ret;
1106 int dac;
1107 int adc;
1108 int val;
1109
1110 switch (control->type) {
1111 case WM8994:
1112 case WM8958:
1113 mask |= WM8994_AIF1DAC2L_ENA | WM8994_AIF1DAC2R_ENA;
1114 break;
1115 default:
1116 break;
1117 }
1118
1119 switch (event) {
1120 case SND_SOC_DAPM_PRE_PMU:
1121 ret = aif_mclk_set(component, 0, true);
1122 if (ret < 0)
1123 return ret;
1124
1125 /* Don't enable timeslot 2 if not in use */
1126 if (wm8994->channels[0] <= 2)
1127 mask &= ~(WM8994_AIF1DAC2L_ENA | WM8994_AIF1DAC2R_ENA);
1128
1129 val = snd_soc_component_read(component, WM8994_AIF1_CONTROL_1);
1130 if ((val & WM8994_AIF1ADCL_SRC) &&
1131 (val & WM8994_AIF1ADCR_SRC))
1132 adc = WM8994_AIF1ADC1R_ENA | WM8994_AIF1ADC2R_ENA;
1133 else if (!(val & WM8994_AIF1ADCL_SRC) &&
1134 !(val & WM8994_AIF1ADCR_SRC))
1135 adc = WM8994_AIF1ADC1L_ENA | WM8994_AIF1ADC2L_ENA;
1136 else
1137 adc = WM8994_AIF1ADC1R_ENA | WM8994_AIF1ADC2R_ENA |
1138 WM8994_AIF1ADC1L_ENA | WM8994_AIF1ADC2L_ENA;
1139
1140 val = snd_soc_component_read(component, WM8994_AIF1_CONTROL_2);
1141 if ((val & WM8994_AIF1DACL_SRC) &&
1142 (val & WM8994_AIF1DACR_SRC))
1143 dac = WM8994_AIF1DAC1R_ENA | WM8994_AIF1DAC2R_ENA;
1144 else if (!(val & WM8994_AIF1DACL_SRC) &&
1145 !(val & WM8994_AIF1DACR_SRC))
1146 dac = WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC2L_ENA;
1147 else
1148 dac = WM8994_AIF1DAC1R_ENA | WM8994_AIF1DAC2R_ENA |
1149 WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC2L_ENA;
1150
1151 snd_soc_component_update_bits(component, WM8994_POWER_MANAGEMENT_4,
1152 mask, adc);
1153 snd_soc_component_update_bits(component, WM8994_POWER_MANAGEMENT_5,
1154 mask, dac);
1155 snd_soc_component_update_bits(component, WM8994_CLOCKING_1,
1156 WM8994_AIF1DSPCLK_ENA |
1157 WM8994_SYSDSPCLK_ENA,
1158 WM8994_AIF1DSPCLK_ENA |
1159 WM8994_SYSDSPCLK_ENA);
1160 snd_soc_component_update_bits(component, WM8994_POWER_MANAGEMENT_4, mask,
1161 WM8994_AIF1ADC1R_ENA |
1162 WM8994_AIF1ADC1L_ENA |
1163 WM8994_AIF1ADC2R_ENA |
1164 WM8994_AIF1ADC2L_ENA);
1165 snd_soc_component_update_bits(component, WM8994_POWER_MANAGEMENT_5, mask,
1166 WM8994_AIF1DAC1R_ENA |
1167 WM8994_AIF1DAC1L_ENA |
1168 WM8994_AIF1DAC2R_ENA |
1169 WM8994_AIF1DAC2L_ENA);
1170 break;
1171
1172 case SND_SOC_DAPM_POST_PMU:
1173 wm8994_update_vu_bits(component);
1174 break;
1175
1176 case SND_SOC_DAPM_PRE_PMD:
1177 case SND_SOC_DAPM_POST_PMD:
1178 snd_soc_component_update_bits(component, WM8994_POWER_MANAGEMENT_5,
1179 mask, 0);
1180 snd_soc_component_update_bits(component, WM8994_POWER_MANAGEMENT_4,
1181 mask, 0);
1182
1183 val = snd_soc_component_read(component, WM8994_CLOCKING_1);
1184 if (val & WM8994_AIF2DSPCLK_ENA)
1185 val = WM8994_SYSDSPCLK_ENA;
1186 else
1187 val = 0;
1188 snd_soc_component_update_bits(component, WM8994_CLOCKING_1,
1189 WM8994_SYSDSPCLK_ENA |
1190 WM8994_AIF1DSPCLK_ENA, val);
1191 break;
1192 }
1193
1194 switch (event) {
1195 case SND_SOC_DAPM_POST_PMD:
1196 aif_mclk_set(component, 0, false);
1197 break;
1198 }
1199
1200 return 0;
1201 }
1202
aif2clk_ev(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)1203 static int aif2clk_ev(struct snd_soc_dapm_widget *w,
1204 struct snd_kcontrol *kcontrol, int event)
1205 {
1206 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1207 int ret;
1208 int dac;
1209 int adc;
1210 int val;
1211
1212 switch (event) {
1213 case SND_SOC_DAPM_PRE_PMU:
1214 ret = aif_mclk_set(component, 1, true);
1215 if (ret < 0)
1216 return ret;
1217
1218 val = snd_soc_component_read(component, WM8994_AIF2_CONTROL_1);
1219 if ((val & WM8994_AIF2ADCL_SRC) &&
1220 (val & WM8994_AIF2ADCR_SRC))
1221 adc = WM8994_AIF2ADCR_ENA;
1222 else if (!(val & WM8994_AIF2ADCL_SRC) &&
1223 !(val & WM8994_AIF2ADCR_SRC))
1224 adc = WM8994_AIF2ADCL_ENA;
1225 else
1226 adc = WM8994_AIF2ADCL_ENA | WM8994_AIF2ADCR_ENA;
1227
1228
1229 val = snd_soc_component_read(component, WM8994_AIF2_CONTROL_2);
1230 if ((val & WM8994_AIF2DACL_SRC) &&
1231 (val & WM8994_AIF2DACR_SRC))
1232 dac = WM8994_AIF2DACR_ENA;
1233 else if (!(val & WM8994_AIF2DACL_SRC) &&
1234 !(val & WM8994_AIF2DACR_SRC))
1235 dac = WM8994_AIF2DACL_ENA;
1236 else
1237 dac = WM8994_AIF2DACL_ENA | WM8994_AIF2DACR_ENA;
1238
1239 snd_soc_component_update_bits(component, WM8994_POWER_MANAGEMENT_4,
1240 WM8994_AIF2ADCL_ENA |
1241 WM8994_AIF2ADCR_ENA, adc);
1242 snd_soc_component_update_bits(component, WM8994_POWER_MANAGEMENT_5,
1243 WM8994_AIF2DACL_ENA |
1244 WM8994_AIF2DACR_ENA, dac);
1245 snd_soc_component_update_bits(component, WM8994_CLOCKING_1,
1246 WM8994_AIF2DSPCLK_ENA |
1247 WM8994_SYSDSPCLK_ENA,
1248 WM8994_AIF2DSPCLK_ENA |
1249 WM8994_SYSDSPCLK_ENA);
1250 snd_soc_component_update_bits(component, WM8994_POWER_MANAGEMENT_4,
1251 WM8994_AIF2ADCL_ENA |
1252 WM8994_AIF2ADCR_ENA,
1253 WM8994_AIF2ADCL_ENA |
1254 WM8994_AIF2ADCR_ENA);
1255 snd_soc_component_update_bits(component, WM8994_POWER_MANAGEMENT_5,
1256 WM8994_AIF2DACL_ENA |
1257 WM8994_AIF2DACR_ENA,
1258 WM8994_AIF2DACL_ENA |
1259 WM8994_AIF2DACR_ENA);
1260 break;
1261
1262 case SND_SOC_DAPM_POST_PMU:
1263 wm8994_update_vu_bits(component);
1264 break;
1265
1266 case SND_SOC_DAPM_PRE_PMD:
1267 case SND_SOC_DAPM_POST_PMD:
1268 snd_soc_component_update_bits(component, WM8994_POWER_MANAGEMENT_5,
1269 WM8994_AIF2DACL_ENA |
1270 WM8994_AIF2DACR_ENA, 0);
1271 snd_soc_component_update_bits(component, WM8994_POWER_MANAGEMENT_4,
1272 WM8994_AIF2ADCL_ENA |
1273 WM8994_AIF2ADCR_ENA, 0);
1274
1275 val = snd_soc_component_read(component, WM8994_CLOCKING_1);
1276 if (val & WM8994_AIF1DSPCLK_ENA)
1277 val = WM8994_SYSDSPCLK_ENA;
1278 else
1279 val = 0;
1280 snd_soc_component_update_bits(component, WM8994_CLOCKING_1,
1281 WM8994_SYSDSPCLK_ENA |
1282 WM8994_AIF2DSPCLK_ENA, val);
1283 break;
1284 }
1285
1286 switch (event) {
1287 case SND_SOC_DAPM_POST_PMD:
1288 aif_mclk_set(component, 1, false);
1289 break;
1290 }
1291
1292 return 0;
1293 }
1294
aif1clk_late_ev(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)1295 static int aif1clk_late_ev(struct snd_soc_dapm_widget *w,
1296 struct snd_kcontrol *kcontrol, int event)
1297 {
1298 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1299 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
1300
1301 switch (event) {
1302 case SND_SOC_DAPM_PRE_PMU:
1303 wm8994->aif1clk_enable = 1;
1304 break;
1305 case SND_SOC_DAPM_POST_PMD:
1306 wm8994->aif1clk_disable = 1;
1307 break;
1308 }
1309
1310 return 0;
1311 }
1312
aif2clk_late_ev(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)1313 static int aif2clk_late_ev(struct snd_soc_dapm_widget *w,
1314 struct snd_kcontrol *kcontrol, int event)
1315 {
1316 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1317 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
1318
1319 switch (event) {
1320 case SND_SOC_DAPM_PRE_PMU:
1321 wm8994->aif2clk_enable = 1;
1322 break;
1323 case SND_SOC_DAPM_POST_PMD:
1324 wm8994->aif2clk_disable = 1;
1325 break;
1326 }
1327
1328 return 0;
1329 }
1330
late_enable_ev(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)1331 static int late_enable_ev(struct snd_soc_dapm_widget *w,
1332 struct snd_kcontrol *kcontrol, int event)
1333 {
1334 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1335 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
1336
1337 switch (event) {
1338 case SND_SOC_DAPM_PRE_PMU:
1339 if (wm8994->aif1clk_enable) {
1340 aif1clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMU);
1341 snd_soc_component_update_bits(component, WM8994_AIF1_CLOCKING_1,
1342 WM8994_AIF1CLK_ENA_MASK,
1343 WM8994_AIF1CLK_ENA);
1344 aif1clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMU);
1345 wm8994->aif1clk_enable = 0;
1346 }
1347 if (wm8994->aif2clk_enable) {
1348 aif2clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMU);
1349 snd_soc_component_update_bits(component, WM8994_AIF2_CLOCKING_1,
1350 WM8994_AIF2CLK_ENA_MASK,
1351 WM8994_AIF2CLK_ENA);
1352 aif2clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMU);
1353 wm8994->aif2clk_enable = 0;
1354 }
1355 break;
1356 }
1357
1358 /* We may also have postponed startup of DSP, handle that. */
1359 wm8958_aif_ev(w, kcontrol, event);
1360
1361 return 0;
1362 }
1363
late_disable_ev(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)1364 static int late_disable_ev(struct snd_soc_dapm_widget *w,
1365 struct snd_kcontrol *kcontrol, int event)
1366 {
1367 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1368 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
1369
1370 switch (event) {
1371 case SND_SOC_DAPM_POST_PMD:
1372 if (wm8994->aif1clk_disable) {
1373 aif1clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMD);
1374 snd_soc_component_update_bits(component, WM8994_AIF1_CLOCKING_1,
1375 WM8994_AIF1CLK_ENA_MASK, 0);
1376 aif1clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMD);
1377 wm8994->aif1clk_disable = 0;
1378 }
1379 if (wm8994->aif2clk_disable) {
1380 aif2clk_ev(w, kcontrol, SND_SOC_DAPM_PRE_PMD);
1381 snd_soc_component_update_bits(component, WM8994_AIF2_CLOCKING_1,
1382 WM8994_AIF2CLK_ENA_MASK, 0);
1383 aif2clk_ev(w, kcontrol, SND_SOC_DAPM_POST_PMD);
1384 wm8994->aif2clk_disable = 0;
1385 }
1386 break;
1387 }
1388
1389 return 0;
1390 }
1391
adc_mux_ev(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)1392 static int adc_mux_ev(struct snd_soc_dapm_widget *w,
1393 struct snd_kcontrol *kcontrol, int event)
1394 {
1395 late_enable_ev(w, kcontrol, event);
1396 return 0;
1397 }
1398
micbias_ev(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)1399 static int micbias_ev(struct snd_soc_dapm_widget *w,
1400 struct snd_kcontrol *kcontrol, int event)
1401 {
1402 late_enable_ev(w, kcontrol, event);
1403 return 0;
1404 }
1405
dac_ev(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)1406 static int dac_ev(struct snd_soc_dapm_widget *w,
1407 struct snd_kcontrol *kcontrol, int event)
1408 {
1409 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1410 unsigned int mask = 1 << w->shift;
1411
1412 snd_soc_component_update_bits(component, WM8994_POWER_MANAGEMENT_5,
1413 mask, mask);
1414 return 0;
1415 }
1416
1417 static const char *adc_mux_text[] = {
1418 "ADC",
1419 "DMIC",
1420 };
1421
1422 static SOC_ENUM_SINGLE_VIRT_DECL(adc_enum, adc_mux_text);
1423
1424 static const struct snd_kcontrol_new adcl_mux =
1425 SOC_DAPM_ENUM("ADCL Mux", adc_enum);
1426
1427 static const struct snd_kcontrol_new adcr_mux =
1428 SOC_DAPM_ENUM("ADCR Mux", adc_enum);
1429
1430 static const struct snd_kcontrol_new left_speaker_mixer[] = {
1431 SOC_DAPM_SINGLE("DAC2 Switch", WM8994_SPEAKER_MIXER, 9, 1, 0),
1432 SOC_DAPM_SINGLE("Input Switch", WM8994_SPEAKER_MIXER, 7, 1, 0),
1433 SOC_DAPM_SINGLE("IN1LP Switch", WM8994_SPEAKER_MIXER, 5, 1, 0),
1434 SOC_DAPM_SINGLE("Output Switch", WM8994_SPEAKER_MIXER, 3, 1, 0),
1435 SOC_DAPM_SINGLE("DAC1 Switch", WM8994_SPEAKER_MIXER, 1, 1, 0),
1436 };
1437
1438 static const struct snd_kcontrol_new right_speaker_mixer[] = {
1439 SOC_DAPM_SINGLE("DAC2 Switch", WM8994_SPEAKER_MIXER, 8, 1, 0),
1440 SOC_DAPM_SINGLE("Input Switch", WM8994_SPEAKER_MIXER, 6, 1, 0),
1441 SOC_DAPM_SINGLE("IN1RP Switch", WM8994_SPEAKER_MIXER, 4, 1, 0),
1442 SOC_DAPM_SINGLE("Output Switch", WM8994_SPEAKER_MIXER, 2, 1, 0),
1443 SOC_DAPM_SINGLE("DAC1 Switch", WM8994_SPEAKER_MIXER, 0, 1, 0),
1444 };
1445
1446 /* Debugging; dump chip status after DAPM transitions */
post_ev(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)1447 static int post_ev(struct snd_soc_dapm_widget *w,
1448 struct snd_kcontrol *kcontrol, int event)
1449 {
1450 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1451 dev_dbg(component->dev, "SRC status: %x\n",
1452 snd_soc_component_read(component,
1453 WM8994_RATE_STATUS));
1454 return 0;
1455 }
1456
1457 static const struct snd_kcontrol_new aif1adc1l_mix[] = {
1458 SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8994_AIF1_ADC1_LEFT_MIXER_ROUTING,
1459 1, 1, 0),
1460 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC1_LEFT_MIXER_ROUTING,
1461 0, 1, 0),
1462 };
1463
1464 static const struct snd_kcontrol_new aif1adc1r_mix[] = {
1465 SOC_DAPM_SINGLE("ADC/DMIC Switch", WM8994_AIF1_ADC1_RIGHT_MIXER_ROUTING,
1466 1, 1, 0),
1467 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC1_RIGHT_MIXER_ROUTING,
1468 0, 1, 0),
1469 };
1470
1471 static const struct snd_kcontrol_new aif1adc2l_mix[] = {
1472 SOC_DAPM_SINGLE("DMIC Switch", WM8994_AIF1_ADC2_LEFT_MIXER_ROUTING,
1473 1, 1, 0),
1474 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC2_LEFT_MIXER_ROUTING,
1475 0, 1, 0),
1476 };
1477
1478 static const struct snd_kcontrol_new aif1adc2r_mix[] = {
1479 SOC_DAPM_SINGLE("DMIC Switch", WM8994_AIF1_ADC2_RIGHT_MIXER_ROUTING,
1480 1, 1, 0),
1481 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_AIF1_ADC2_RIGHT_MIXER_ROUTING,
1482 0, 1, 0),
1483 };
1484
1485 static const struct snd_kcontrol_new aif2dac2l_mix[] = {
1486 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1487 5, 1, 0),
1488 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1489 4, 1, 0),
1490 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1491 2, 1, 0),
1492 SOC_DAPM_SINGLE("AIF1.2 Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1493 1, 1, 0),
1494 SOC_DAPM_SINGLE("AIF1.1 Switch", WM8994_DAC2_LEFT_MIXER_ROUTING,
1495 0, 1, 0),
1496 };
1497
1498 static const struct snd_kcontrol_new aif2dac2r_mix[] = {
1499 SOC_DAPM_SINGLE("Right Sidetone Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1500 5, 1, 0),
1501 SOC_DAPM_SINGLE("Left Sidetone Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1502 4, 1, 0),
1503 SOC_DAPM_SINGLE("AIF2 Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1504 2, 1, 0),
1505 SOC_DAPM_SINGLE("AIF1.2 Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1506 1, 1, 0),
1507 SOC_DAPM_SINGLE("AIF1.1 Switch", WM8994_DAC2_RIGHT_MIXER_ROUTING,
1508 0, 1, 0),
1509 };
1510
1511 #define WM8994_CLASS_W_SWITCH(xname, reg, shift, max, invert) \
1512 SOC_SINGLE_EXT(xname, reg, shift, max, invert, \
1513 snd_soc_dapm_get_volsw, wm8994_put_class_w)
1514
wm8994_put_class_w(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1515 static int wm8994_put_class_w(struct snd_kcontrol *kcontrol,
1516 struct snd_ctl_elem_value *ucontrol)
1517 {
1518 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
1519 int ret;
1520
1521 ret = snd_soc_dapm_put_volsw(kcontrol, ucontrol);
1522
1523 wm_hubs_update_class_w(component);
1524
1525 return ret;
1526 }
1527
1528 static const struct snd_kcontrol_new dac1l_mix[] = {
1529 WM8994_CLASS_W_SWITCH("Right Sidetone Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1530 5, 1, 0),
1531 WM8994_CLASS_W_SWITCH("Left Sidetone Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1532 4, 1, 0),
1533 WM8994_CLASS_W_SWITCH("AIF2 Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1534 2, 1, 0),
1535 WM8994_CLASS_W_SWITCH("AIF1.2 Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1536 1, 1, 0),
1537 WM8994_CLASS_W_SWITCH("AIF1.1 Switch", WM8994_DAC1_LEFT_MIXER_ROUTING,
1538 0, 1, 0),
1539 };
1540
1541 static const struct snd_kcontrol_new dac1r_mix[] = {
1542 WM8994_CLASS_W_SWITCH("Right Sidetone Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1543 5, 1, 0),
1544 WM8994_CLASS_W_SWITCH("Left Sidetone Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1545 4, 1, 0),
1546 WM8994_CLASS_W_SWITCH("AIF2 Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1547 2, 1, 0),
1548 WM8994_CLASS_W_SWITCH("AIF1.2 Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1549 1, 1, 0),
1550 WM8994_CLASS_W_SWITCH("AIF1.1 Switch", WM8994_DAC1_RIGHT_MIXER_ROUTING,
1551 0, 1, 0),
1552 };
1553
1554 static const char *sidetone_text[] = {
1555 "ADC/DMIC1", "DMIC2",
1556 };
1557
1558 static SOC_ENUM_SINGLE_DECL(sidetone1_enum,
1559 WM8994_SIDETONE, 0, sidetone_text);
1560
1561 static const struct snd_kcontrol_new sidetone1_mux =
1562 SOC_DAPM_ENUM("Left Sidetone Mux", sidetone1_enum);
1563
1564 static SOC_ENUM_SINGLE_DECL(sidetone2_enum,
1565 WM8994_SIDETONE, 1, sidetone_text);
1566
1567 static const struct snd_kcontrol_new sidetone2_mux =
1568 SOC_DAPM_ENUM("Right Sidetone Mux", sidetone2_enum);
1569
1570 static const char *aif1dac_text[] = {
1571 "AIF1DACDAT", "AIF3DACDAT",
1572 };
1573
1574 static const char *loopback_text[] = {
1575 "None", "ADCDAT",
1576 };
1577
1578 static SOC_ENUM_SINGLE_DECL(aif1_loopback_enum,
1579 WM8994_AIF1_CONTROL_2,
1580 WM8994_AIF1_LOOPBACK_SHIFT,
1581 loopback_text);
1582
1583 static const struct snd_kcontrol_new aif1_loopback =
1584 SOC_DAPM_ENUM("AIF1 Loopback", aif1_loopback_enum);
1585
1586 static SOC_ENUM_SINGLE_DECL(aif2_loopback_enum,
1587 WM8994_AIF2_CONTROL_2,
1588 WM8994_AIF2_LOOPBACK_SHIFT,
1589 loopback_text);
1590
1591 static const struct snd_kcontrol_new aif2_loopback =
1592 SOC_DAPM_ENUM("AIF2 Loopback", aif2_loopback_enum);
1593
1594 static SOC_ENUM_SINGLE_DECL(aif1dac_enum,
1595 WM8994_POWER_MANAGEMENT_6, 0, aif1dac_text);
1596
1597 static const struct snd_kcontrol_new aif1dac_mux =
1598 SOC_DAPM_ENUM("AIF1DAC Mux", aif1dac_enum);
1599
1600 static const char *aif2dac_text[] = {
1601 "AIF2DACDAT", "AIF3DACDAT",
1602 };
1603
1604 static SOC_ENUM_SINGLE_DECL(aif2dac_enum,
1605 WM8994_POWER_MANAGEMENT_6, 1, aif2dac_text);
1606
1607 static const struct snd_kcontrol_new aif2dac_mux =
1608 SOC_DAPM_ENUM("AIF2DAC Mux", aif2dac_enum);
1609
1610 static const char *aif2adc_text[] = {
1611 "AIF2ADCDAT", "AIF3DACDAT",
1612 };
1613
1614 static SOC_ENUM_SINGLE_DECL(aif2adc_enum,
1615 WM8994_POWER_MANAGEMENT_6, 2, aif2adc_text);
1616
1617 static const struct snd_kcontrol_new aif2adc_mux =
1618 SOC_DAPM_ENUM("AIF2ADC Mux", aif2adc_enum);
1619
1620 static const char *aif3adc_text[] = {
1621 "AIF1ADCDAT", "AIF2ADCDAT", "AIF2DACDAT", "Mono PCM",
1622 };
1623
1624 static SOC_ENUM_SINGLE_DECL(wm8994_aif3adc_enum,
1625 WM8994_POWER_MANAGEMENT_6, 3, aif3adc_text);
1626
1627 static const struct snd_kcontrol_new wm8994_aif3adc_mux =
1628 SOC_DAPM_ENUM("AIF3ADC Mux", wm8994_aif3adc_enum);
1629
1630 static SOC_ENUM_SINGLE_DECL(wm8958_aif3adc_enum,
1631 WM8994_POWER_MANAGEMENT_6, 3, aif3adc_text);
1632
1633 static const struct snd_kcontrol_new wm8958_aif3adc_mux =
1634 SOC_DAPM_ENUM("AIF3ADC Mux", wm8958_aif3adc_enum);
1635
1636 static const char *mono_pcm_out_text[] = {
1637 "None", "AIF2ADCL", "AIF2ADCR",
1638 };
1639
1640 static SOC_ENUM_SINGLE_DECL(mono_pcm_out_enum,
1641 WM8994_POWER_MANAGEMENT_6, 9, mono_pcm_out_text);
1642
1643 static const struct snd_kcontrol_new mono_pcm_out_mux =
1644 SOC_DAPM_ENUM("Mono PCM Out Mux", mono_pcm_out_enum);
1645
1646 static const char *aif2dac_src_text[] = {
1647 "AIF2", "AIF3",
1648 };
1649
1650 /* Note that these two control shouldn't be simultaneously switched to AIF3 */
1651 static SOC_ENUM_SINGLE_DECL(aif2dacl_src_enum,
1652 WM8994_POWER_MANAGEMENT_6, 7, aif2dac_src_text);
1653
1654 static const struct snd_kcontrol_new aif2dacl_src_mux =
1655 SOC_DAPM_ENUM("AIF2DACL Mux", aif2dacl_src_enum);
1656
1657 static SOC_ENUM_SINGLE_DECL(aif2dacr_src_enum,
1658 WM8994_POWER_MANAGEMENT_6, 8, aif2dac_src_text);
1659
1660 static const struct snd_kcontrol_new aif2dacr_src_mux =
1661 SOC_DAPM_ENUM("AIF2DACR Mux", aif2dacr_src_enum);
1662
1663 static const struct snd_soc_dapm_widget wm8994_lateclk_revd_widgets[] = {
1664 SND_SOC_DAPM_SUPPLY("AIF1CLK", SND_SOC_NOPM, 0, 0, aif1clk_late_ev,
1665 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1666 SND_SOC_DAPM_SUPPLY("AIF2CLK", SND_SOC_NOPM, 0, 0, aif2clk_late_ev,
1667 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1668
1669 SND_SOC_DAPM_PGA_E("Late DAC1L Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1670 late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1671 SND_SOC_DAPM_PGA_E("Late DAC1R Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1672 late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1673 SND_SOC_DAPM_PGA_E("Late DAC2L Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1674 late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1675 SND_SOC_DAPM_PGA_E("Late DAC2R Enable PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
1676 late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1677 SND_SOC_DAPM_PGA_E("Direct Voice", SND_SOC_NOPM, 0, 0, NULL, 0,
1678 late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1679
1680 SND_SOC_DAPM_MIXER_E("SPKL", WM8994_POWER_MANAGEMENT_3, 8, 0,
1681 left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer),
1682 late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1683 SND_SOC_DAPM_MIXER_E("SPKR", WM8994_POWER_MANAGEMENT_3, 9, 0,
1684 right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer),
1685 late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1686 SND_SOC_DAPM_MUX_E("Left Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpl_mux,
1687 late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1688 SND_SOC_DAPM_MUX_E("Right Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpr_mux,
1689 late_enable_ev, SND_SOC_DAPM_PRE_PMU),
1690
1691 SND_SOC_DAPM_POST("Late Disable PGA", late_disable_ev)
1692 };
1693
1694 static const struct snd_soc_dapm_widget wm8994_lateclk_widgets[] = {
1695 SND_SOC_DAPM_SUPPLY("AIF1CLK", WM8994_AIF1_CLOCKING_1, 0, 0, aif1clk_ev,
1696 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1697 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
1698 SND_SOC_DAPM_SUPPLY("AIF2CLK", WM8994_AIF2_CLOCKING_1, 0, 0, aif2clk_ev,
1699 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1700 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
1701 SND_SOC_DAPM_PGA("Direct Voice", SND_SOC_NOPM, 0, 0, NULL, 0),
1702 SND_SOC_DAPM_MIXER("SPKL", WM8994_POWER_MANAGEMENT_3, 8, 0,
1703 left_speaker_mixer, ARRAY_SIZE(left_speaker_mixer)),
1704 SND_SOC_DAPM_MIXER("SPKR", WM8994_POWER_MANAGEMENT_3, 9, 0,
1705 right_speaker_mixer, ARRAY_SIZE(right_speaker_mixer)),
1706 SND_SOC_DAPM_MUX("Left Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpl_mux),
1707 SND_SOC_DAPM_MUX("Right Headphone Mux", SND_SOC_NOPM, 0, 0, &wm_hubs_hpr_mux),
1708 };
1709
1710 static const struct snd_soc_dapm_widget wm8994_dac_revd_widgets[] = {
1711 SND_SOC_DAPM_DAC_E("DAC2L", NULL, SND_SOC_NOPM, 3, 0,
1712 dac_ev, SND_SOC_DAPM_PRE_PMU),
1713 SND_SOC_DAPM_DAC_E("DAC2R", NULL, SND_SOC_NOPM, 2, 0,
1714 dac_ev, SND_SOC_DAPM_PRE_PMU),
1715 SND_SOC_DAPM_DAC_E("DAC1L", NULL, SND_SOC_NOPM, 1, 0,
1716 dac_ev, SND_SOC_DAPM_PRE_PMU),
1717 SND_SOC_DAPM_DAC_E("DAC1R", NULL, SND_SOC_NOPM, 0, 0,
1718 dac_ev, SND_SOC_DAPM_PRE_PMU),
1719 };
1720
1721 static const struct snd_soc_dapm_widget wm8994_dac_widgets[] = {
1722 SND_SOC_DAPM_DAC("DAC2L", NULL, WM8994_POWER_MANAGEMENT_5, 3, 0),
1723 SND_SOC_DAPM_DAC("DAC2R", NULL, WM8994_POWER_MANAGEMENT_5, 2, 0),
1724 SND_SOC_DAPM_DAC("DAC1L", NULL, WM8994_POWER_MANAGEMENT_5, 1, 0),
1725 SND_SOC_DAPM_DAC("DAC1R", NULL, WM8994_POWER_MANAGEMENT_5, 0, 0),
1726 };
1727
1728 static const struct snd_soc_dapm_widget wm8994_adc_revd_widgets[] = {
1729 SND_SOC_DAPM_MUX_E("ADCL Mux", WM8994_POWER_MANAGEMENT_4, 1, 0, &adcl_mux,
1730 adc_mux_ev, SND_SOC_DAPM_PRE_PMU),
1731 SND_SOC_DAPM_MUX_E("ADCR Mux", WM8994_POWER_MANAGEMENT_4, 0, 0, &adcr_mux,
1732 adc_mux_ev, SND_SOC_DAPM_PRE_PMU),
1733 };
1734
1735 static const struct snd_soc_dapm_widget wm8994_adc_widgets[] = {
1736 SND_SOC_DAPM_MUX("ADCL Mux", WM8994_POWER_MANAGEMENT_4, 1, 0, &adcl_mux),
1737 SND_SOC_DAPM_MUX("ADCR Mux", WM8994_POWER_MANAGEMENT_4, 0, 0, &adcr_mux),
1738 };
1739
1740 static const struct snd_soc_dapm_widget wm8994_dapm_widgets[] = {
1741 SND_SOC_DAPM_INPUT("DMIC1DAT"),
1742 SND_SOC_DAPM_INPUT("DMIC2DAT"),
1743 SND_SOC_DAPM_INPUT("Clock"),
1744
1745 SND_SOC_DAPM_SUPPLY_S("MICBIAS Supply", 1, SND_SOC_NOPM, 0, 0, micbias_ev,
1746 SND_SOC_DAPM_PRE_PMU),
1747 SND_SOC_DAPM_SUPPLY("VMID", SND_SOC_NOPM, 0, 0, vmid_event,
1748 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1749
1750 SND_SOC_DAPM_SUPPLY("CLK_SYS", SND_SOC_NOPM, 0, 0, clk_sys_event,
1751 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
1752 SND_SOC_DAPM_PRE_PMD),
1753
1754 SND_SOC_DAPM_SUPPLY("DSP1CLK", SND_SOC_NOPM, 3, 0, NULL, 0),
1755 SND_SOC_DAPM_SUPPLY("DSP2CLK", SND_SOC_NOPM, 2, 0, NULL, 0),
1756 SND_SOC_DAPM_SUPPLY("DSPINTCLK", SND_SOC_NOPM, 1, 0, NULL, 0),
1757
1758 SND_SOC_DAPM_AIF_OUT("AIF1ADC1L", NULL,
1759 0, SND_SOC_NOPM, 9, 0),
1760 SND_SOC_DAPM_AIF_OUT("AIF1ADC1R", NULL,
1761 0, SND_SOC_NOPM, 8, 0),
1762 SND_SOC_DAPM_AIF_IN_E("AIF1DAC1L", NULL, 0,
1763 SND_SOC_NOPM, 9, 0, wm8958_aif_ev,
1764 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1765 SND_SOC_DAPM_AIF_IN_E("AIF1DAC1R", NULL, 0,
1766 SND_SOC_NOPM, 8, 0, wm8958_aif_ev,
1767 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1768
1769 SND_SOC_DAPM_AIF_OUT("AIF1ADC2L", NULL,
1770 0, SND_SOC_NOPM, 11, 0),
1771 SND_SOC_DAPM_AIF_OUT("AIF1ADC2R", NULL,
1772 0, SND_SOC_NOPM, 10, 0),
1773 SND_SOC_DAPM_AIF_IN_E("AIF1DAC2L", NULL, 0,
1774 SND_SOC_NOPM, 11, 0, wm8958_aif_ev,
1775 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1776 SND_SOC_DAPM_AIF_IN_E("AIF1DAC2R", NULL, 0,
1777 SND_SOC_NOPM, 10, 0, wm8958_aif_ev,
1778 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1779
1780 SND_SOC_DAPM_MIXER("AIF1ADC1L Mixer", SND_SOC_NOPM, 0, 0,
1781 aif1adc1l_mix, ARRAY_SIZE(aif1adc1l_mix)),
1782 SND_SOC_DAPM_MIXER("AIF1ADC1R Mixer", SND_SOC_NOPM, 0, 0,
1783 aif1adc1r_mix, ARRAY_SIZE(aif1adc1r_mix)),
1784
1785 SND_SOC_DAPM_MIXER("AIF1ADC2L Mixer", SND_SOC_NOPM, 0, 0,
1786 aif1adc2l_mix, ARRAY_SIZE(aif1adc2l_mix)),
1787 SND_SOC_DAPM_MIXER("AIF1ADC2R Mixer", SND_SOC_NOPM, 0, 0,
1788 aif1adc2r_mix, ARRAY_SIZE(aif1adc2r_mix)),
1789
1790 SND_SOC_DAPM_MIXER("AIF2DAC2L Mixer", SND_SOC_NOPM, 0, 0,
1791 aif2dac2l_mix, ARRAY_SIZE(aif2dac2l_mix)),
1792 SND_SOC_DAPM_MIXER("AIF2DAC2R Mixer", SND_SOC_NOPM, 0, 0,
1793 aif2dac2r_mix, ARRAY_SIZE(aif2dac2r_mix)),
1794
1795 SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &sidetone1_mux),
1796 SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &sidetone2_mux),
1797
1798 SND_SOC_DAPM_MIXER("DAC1L Mixer", SND_SOC_NOPM, 0, 0,
1799 dac1l_mix, ARRAY_SIZE(dac1l_mix)),
1800 SND_SOC_DAPM_MIXER("DAC1R Mixer", SND_SOC_NOPM, 0, 0,
1801 dac1r_mix, ARRAY_SIZE(dac1r_mix)),
1802
1803 SND_SOC_DAPM_AIF_OUT("AIF2ADCL", NULL, 0,
1804 SND_SOC_NOPM, 13, 0),
1805 SND_SOC_DAPM_AIF_OUT("AIF2ADCR", NULL, 0,
1806 SND_SOC_NOPM, 12, 0),
1807 SND_SOC_DAPM_AIF_IN_E("AIF2DACL", NULL, 0,
1808 SND_SOC_NOPM, 13, 0, wm8958_aif_ev,
1809 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1810 SND_SOC_DAPM_AIF_IN_E("AIF2DACR", NULL, 0,
1811 SND_SOC_NOPM, 12, 0, wm8958_aif_ev,
1812 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1813
1814 SND_SOC_DAPM_AIF_IN("AIF1DACDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1815 SND_SOC_DAPM_AIF_IN("AIF2DACDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1816 SND_SOC_DAPM_AIF_OUT("AIF1ADCDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1817 SND_SOC_DAPM_AIF_OUT("AIF2ADCDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1818
1819 SND_SOC_DAPM_MUX("AIF1DAC Mux", SND_SOC_NOPM, 0, 0, &aif1dac_mux),
1820 SND_SOC_DAPM_MUX("AIF2DAC Mux", SND_SOC_NOPM, 0, 0, &aif2dac_mux),
1821 SND_SOC_DAPM_MUX("AIF2ADC Mux", SND_SOC_NOPM, 0, 0, &aif2adc_mux),
1822
1823 SND_SOC_DAPM_AIF_IN("AIF3DACDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1824 SND_SOC_DAPM_AIF_OUT("AIF3ADCDAT", NULL, 0, SND_SOC_NOPM, 0, 0),
1825
1826 SND_SOC_DAPM_SUPPLY("TOCLK", WM8994_CLOCKING_1, 4, 0, NULL, 0),
1827
1828 SND_SOC_DAPM_ADC("DMIC2L", NULL, WM8994_POWER_MANAGEMENT_4, 5, 0),
1829 SND_SOC_DAPM_ADC("DMIC2R", NULL, WM8994_POWER_MANAGEMENT_4, 4, 0),
1830 SND_SOC_DAPM_ADC("DMIC1L", NULL, WM8994_POWER_MANAGEMENT_4, 3, 0),
1831 SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8994_POWER_MANAGEMENT_4, 2, 0),
1832
1833 /* Power is done with the muxes since the ADC power also controls the
1834 * downsampling chain, the chip will automatically manage the analogue
1835 * specific portions.
1836 */
1837 SND_SOC_DAPM_ADC("ADCL", NULL, SND_SOC_NOPM, 1, 0),
1838 SND_SOC_DAPM_ADC("ADCR", NULL, SND_SOC_NOPM, 0, 0),
1839
1840 SND_SOC_DAPM_MUX("AIF1 Loopback", SND_SOC_NOPM, 0, 0, &aif1_loopback),
1841 SND_SOC_DAPM_MUX("AIF2 Loopback", SND_SOC_NOPM, 0, 0, &aif2_loopback),
1842
1843 SND_SOC_DAPM_POST("Debug log", post_ev),
1844 };
1845
1846 static const struct snd_soc_dapm_widget wm8994_specific_dapm_widgets[] = {
1847 SND_SOC_DAPM_MUX("AIF3ADC Mux", SND_SOC_NOPM, 0, 0, &wm8994_aif3adc_mux),
1848 };
1849
1850 static const struct snd_soc_dapm_widget wm8958_dapm_widgets[] = {
1851 SND_SOC_DAPM_SUPPLY("AIF3", WM8994_POWER_MANAGEMENT_6, 5, 1, NULL, 0),
1852 SND_SOC_DAPM_MUX("Mono PCM Out Mux", SND_SOC_NOPM, 0, 0, &mono_pcm_out_mux),
1853 SND_SOC_DAPM_MUX("AIF2DACL Mux", SND_SOC_NOPM, 0, 0, &aif2dacl_src_mux),
1854 SND_SOC_DAPM_MUX("AIF2DACR Mux", SND_SOC_NOPM, 0, 0, &aif2dacr_src_mux),
1855 SND_SOC_DAPM_MUX("AIF3ADC Mux", SND_SOC_NOPM, 0, 0, &wm8958_aif3adc_mux),
1856 };
1857
1858 static const struct snd_soc_dapm_route intercon[] = {
1859 { "CLK_SYS", NULL, "AIF1CLK", check_clk_sys },
1860 { "CLK_SYS", NULL, "AIF2CLK", check_clk_sys },
1861
1862 { "DSP1CLK", NULL, "CLK_SYS" },
1863 { "DSP2CLK", NULL, "CLK_SYS" },
1864 { "DSPINTCLK", NULL, "CLK_SYS" },
1865
1866 { "AIF1ADC1L", NULL, "AIF1CLK" },
1867 { "AIF1ADC1L", NULL, "DSP1CLK" },
1868 { "AIF1ADC1R", NULL, "AIF1CLK" },
1869 { "AIF1ADC1R", NULL, "DSP1CLK" },
1870 { "AIF1ADC1R", NULL, "DSPINTCLK" },
1871
1872 { "AIF1DAC1L", NULL, "AIF1CLK" },
1873 { "AIF1DAC1L", NULL, "DSP1CLK" },
1874 { "AIF1DAC1R", NULL, "AIF1CLK" },
1875 { "AIF1DAC1R", NULL, "DSP1CLK" },
1876 { "AIF1DAC1R", NULL, "DSPINTCLK" },
1877
1878 { "AIF1ADC2L", NULL, "AIF1CLK" },
1879 { "AIF1ADC2L", NULL, "DSP1CLK" },
1880 { "AIF1ADC2R", NULL, "AIF1CLK" },
1881 { "AIF1ADC2R", NULL, "DSP1CLK" },
1882 { "AIF1ADC2R", NULL, "DSPINTCLK" },
1883
1884 { "AIF1DAC2L", NULL, "AIF1CLK" },
1885 { "AIF1DAC2L", NULL, "DSP1CLK" },
1886 { "AIF1DAC2R", NULL, "AIF1CLK" },
1887 { "AIF1DAC2R", NULL, "DSP1CLK" },
1888 { "AIF1DAC2R", NULL, "DSPINTCLK" },
1889
1890 { "AIF2ADCL", NULL, "AIF2CLK" },
1891 { "AIF2ADCL", NULL, "DSP2CLK" },
1892 { "AIF2ADCR", NULL, "AIF2CLK" },
1893 { "AIF2ADCR", NULL, "DSP2CLK" },
1894 { "AIF2ADCR", NULL, "DSPINTCLK" },
1895
1896 { "AIF2DACL", NULL, "AIF2CLK" },
1897 { "AIF2DACL", NULL, "DSP2CLK" },
1898 { "AIF2DACR", NULL, "AIF2CLK" },
1899 { "AIF2DACR", NULL, "DSP2CLK" },
1900 { "AIF2DACR", NULL, "DSPINTCLK" },
1901
1902 { "DMIC1L", NULL, "DMIC1DAT" },
1903 { "DMIC1L", NULL, "CLK_SYS" },
1904 { "DMIC1R", NULL, "DMIC1DAT" },
1905 { "DMIC1R", NULL, "CLK_SYS" },
1906 { "DMIC2L", NULL, "DMIC2DAT" },
1907 { "DMIC2L", NULL, "CLK_SYS" },
1908 { "DMIC2R", NULL, "DMIC2DAT" },
1909 { "DMIC2R", NULL, "CLK_SYS" },
1910
1911 { "ADCL", NULL, "AIF1CLK" },
1912 { "ADCL", NULL, "DSP1CLK" },
1913 { "ADCL", NULL, "DSPINTCLK" },
1914
1915 { "ADCR", NULL, "AIF1CLK" },
1916 { "ADCR", NULL, "DSP1CLK" },
1917 { "ADCR", NULL, "DSPINTCLK" },
1918
1919 { "ADCL Mux", "ADC", "ADCL" },
1920 { "ADCL Mux", "DMIC", "DMIC1L" },
1921 { "ADCR Mux", "ADC", "ADCR" },
1922 { "ADCR Mux", "DMIC", "DMIC1R" },
1923
1924 { "DAC1L", NULL, "AIF1CLK" },
1925 { "DAC1L", NULL, "DSP1CLK" },
1926 { "DAC1L", NULL, "DSPINTCLK" },
1927
1928 { "DAC1R", NULL, "AIF1CLK" },
1929 { "DAC1R", NULL, "DSP1CLK" },
1930 { "DAC1R", NULL, "DSPINTCLK" },
1931
1932 { "DAC2L", NULL, "AIF2CLK" },
1933 { "DAC2L", NULL, "DSP2CLK" },
1934 { "DAC2L", NULL, "DSPINTCLK" },
1935
1936 { "DAC2R", NULL, "AIF2DACR" },
1937 { "DAC2R", NULL, "AIF2CLK" },
1938 { "DAC2R", NULL, "DSP2CLK" },
1939 { "DAC2R", NULL, "DSPINTCLK" },
1940
1941 { "TOCLK", NULL, "CLK_SYS" },
1942
1943 { "AIF1DACDAT", NULL, "AIF1 Playback" },
1944 { "AIF2DACDAT", NULL, "AIF2 Playback" },
1945 { "AIF3DACDAT", NULL, "AIF3 Playback" },
1946
1947 { "AIF1 Capture", NULL, "AIF1ADCDAT" },
1948 { "AIF2 Capture", NULL, "AIF2ADCDAT" },
1949 { "AIF3 Capture", NULL, "AIF3ADCDAT" },
1950
1951 /* AIF1 outputs */
1952 { "AIF1ADC1L", NULL, "AIF1ADC1L Mixer" },
1953 { "AIF1ADC1L Mixer", "ADC/DMIC Switch", "ADCL Mux" },
1954 { "AIF1ADC1L Mixer", "AIF2 Switch", "AIF2DACL" },
1955
1956 { "AIF1ADC1R", NULL, "AIF1ADC1R Mixer" },
1957 { "AIF1ADC1R Mixer", "ADC/DMIC Switch", "ADCR Mux" },
1958 { "AIF1ADC1R Mixer", "AIF2 Switch", "AIF2DACR" },
1959
1960 { "AIF1ADC2L", NULL, "AIF1ADC2L Mixer" },
1961 { "AIF1ADC2L Mixer", "DMIC Switch", "DMIC2L" },
1962 { "AIF1ADC2L Mixer", "AIF2 Switch", "AIF2DACL" },
1963
1964 { "AIF1ADC2R", NULL, "AIF1ADC2R Mixer" },
1965 { "AIF1ADC2R Mixer", "DMIC Switch", "DMIC2R" },
1966 { "AIF1ADC2R Mixer", "AIF2 Switch", "AIF2DACR" },
1967
1968 /* Pin level routing for AIF3 */
1969 { "AIF1DAC1L", NULL, "AIF1DAC Mux" },
1970 { "AIF1DAC1R", NULL, "AIF1DAC Mux" },
1971 { "AIF1DAC2L", NULL, "AIF1DAC Mux" },
1972 { "AIF1DAC2R", NULL, "AIF1DAC Mux" },
1973
1974 { "AIF1DAC Mux", "AIF1DACDAT", "AIF1 Loopback" },
1975 { "AIF1DAC Mux", "AIF3DACDAT", "AIF3DACDAT" },
1976 { "AIF2DAC Mux", "AIF2DACDAT", "AIF2 Loopback" },
1977 { "AIF2DAC Mux", "AIF3DACDAT", "AIF3DACDAT" },
1978 { "AIF2ADC Mux", "AIF2ADCDAT", "AIF2ADCL" },
1979 { "AIF2ADC Mux", "AIF2ADCDAT", "AIF2ADCR" },
1980 { "AIF2ADC Mux", "AIF3DACDAT", "AIF3ADCDAT" },
1981
1982 /* DAC1 inputs */
1983 { "DAC1L Mixer", "AIF2 Switch", "AIF2DACL" },
1984 { "DAC1L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
1985 { "DAC1L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
1986 { "DAC1L Mixer", "Left Sidetone Switch", "Left Sidetone" },
1987 { "DAC1L Mixer", "Right Sidetone Switch", "Right Sidetone" },
1988
1989 { "DAC1R Mixer", "AIF2 Switch", "AIF2DACR" },
1990 { "DAC1R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
1991 { "DAC1R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
1992 { "DAC1R Mixer", "Left Sidetone Switch", "Left Sidetone" },
1993 { "DAC1R Mixer", "Right Sidetone Switch", "Right Sidetone" },
1994
1995 /* DAC2/AIF2 outputs */
1996 { "AIF2ADCL", NULL, "AIF2DAC2L Mixer" },
1997 { "AIF2DAC2L Mixer", "AIF2 Switch", "AIF2DACL" },
1998 { "AIF2DAC2L Mixer", "AIF1.2 Switch", "AIF1DAC2L" },
1999 { "AIF2DAC2L Mixer", "AIF1.1 Switch", "AIF1DAC1L" },
2000 { "AIF2DAC2L Mixer", "Left Sidetone Switch", "Left Sidetone" },
2001 { "AIF2DAC2L Mixer", "Right Sidetone Switch", "Right Sidetone" },
2002
2003 { "AIF2ADCR", NULL, "AIF2DAC2R Mixer" },
2004 { "AIF2DAC2R Mixer", "AIF2 Switch", "AIF2DACR" },
2005 { "AIF2DAC2R Mixer", "AIF1.2 Switch", "AIF1DAC2R" },
2006 { "AIF2DAC2R Mixer", "AIF1.1 Switch", "AIF1DAC1R" },
2007 { "AIF2DAC2R Mixer", "Left Sidetone Switch", "Left Sidetone" },
2008 { "AIF2DAC2R Mixer", "Right Sidetone Switch", "Right Sidetone" },
2009
2010 { "AIF1ADCDAT", NULL, "AIF1ADC1L" },
2011 { "AIF1ADCDAT", NULL, "AIF1ADC1R" },
2012 { "AIF1ADCDAT", NULL, "AIF1ADC2L" },
2013 { "AIF1ADCDAT", NULL, "AIF1ADC2R" },
2014
2015 { "AIF2ADCDAT", NULL, "AIF2ADC Mux" },
2016
2017 /* AIF3 output */
2018 { "AIF3ADC Mux", "AIF1ADCDAT", "AIF1ADC1L" },
2019 { "AIF3ADC Mux", "AIF1ADCDAT", "AIF1ADC1R" },
2020 { "AIF3ADC Mux", "AIF1ADCDAT", "AIF1ADC2L" },
2021 { "AIF3ADC Mux", "AIF1ADCDAT", "AIF1ADC2R" },
2022 { "AIF3ADC Mux", "AIF2ADCDAT", "AIF2ADCL" },
2023 { "AIF3ADC Mux", "AIF2ADCDAT", "AIF2ADCR" },
2024 { "AIF3ADC Mux", "AIF2DACDAT", "AIF2DACL" },
2025 { "AIF3ADC Mux", "AIF2DACDAT", "AIF2DACR" },
2026
2027 { "AIF3ADCDAT", NULL, "AIF3ADC Mux" },
2028
2029 /* Loopback */
2030 { "AIF1 Loopback", "ADCDAT", "AIF1ADCDAT" },
2031 { "AIF1 Loopback", "None", "AIF1DACDAT" },
2032 { "AIF2 Loopback", "ADCDAT", "AIF2ADCDAT" },
2033 { "AIF2 Loopback", "None", "AIF2DACDAT" },
2034
2035 /* Sidetone */
2036 { "Left Sidetone", "ADC/DMIC1", "ADCL Mux" },
2037 { "Left Sidetone", "DMIC2", "DMIC2L" },
2038 { "Right Sidetone", "ADC/DMIC1", "ADCR Mux" },
2039 { "Right Sidetone", "DMIC2", "DMIC2R" },
2040
2041 /* Output stages */
2042 { "Left Output Mixer", "DAC Switch", "DAC1L" },
2043 { "Right Output Mixer", "DAC Switch", "DAC1R" },
2044
2045 { "SPKL", "DAC1 Switch", "DAC1L" },
2046 { "SPKL", "DAC2 Switch", "DAC2L" },
2047
2048 { "SPKR", "DAC1 Switch", "DAC1R" },
2049 { "SPKR", "DAC2 Switch", "DAC2R" },
2050
2051 { "Left Headphone Mux", "DAC", "DAC1L" },
2052 { "Right Headphone Mux", "DAC", "DAC1R" },
2053 };
2054
2055 static const struct snd_soc_dapm_route wm8994_lateclk_revd_intercon[] = {
2056 { "DAC1L", NULL, "Late DAC1L Enable PGA" },
2057 { "Late DAC1L Enable PGA", NULL, "DAC1L Mixer" },
2058 { "DAC1R", NULL, "Late DAC1R Enable PGA" },
2059 { "Late DAC1R Enable PGA", NULL, "DAC1R Mixer" },
2060 { "DAC2L", NULL, "Late DAC2L Enable PGA" },
2061 { "Late DAC2L Enable PGA", NULL, "AIF2DAC2L Mixer" },
2062 { "DAC2R", NULL, "Late DAC2R Enable PGA" },
2063 { "Late DAC2R Enable PGA", NULL, "AIF2DAC2R Mixer" }
2064 };
2065
2066 static const struct snd_soc_dapm_route wm8994_lateclk_intercon[] = {
2067 { "DAC1L", NULL, "DAC1L Mixer" },
2068 { "DAC1R", NULL, "DAC1R Mixer" },
2069 { "DAC2L", NULL, "AIF2DAC2L Mixer" },
2070 { "DAC2R", NULL, "AIF2DAC2R Mixer" },
2071 };
2072
2073 static const struct snd_soc_dapm_route wm8994_revd_intercon[] = {
2074 { "AIF1DACDAT", NULL, "AIF2DACDAT" },
2075 { "AIF2DACDAT", NULL, "AIF1DACDAT" },
2076 { "AIF1ADCDAT", NULL, "AIF2ADCDAT" },
2077 { "AIF2ADCDAT", NULL, "AIF1ADCDAT" },
2078 { "MICBIAS1", NULL, "CLK_SYS" },
2079 { "MICBIAS1", NULL, "MICBIAS Supply" },
2080 { "MICBIAS2", NULL, "CLK_SYS" },
2081 { "MICBIAS2", NULL, "MICBIAS Supply" },
2082 };
2083
2084 static const struct snd_soc_dapm_route wm8994_intercon[] = {
2085 { "AIF2DACL", NULL, "AIF2DAC Mux" },
2086 { "AIF2DACR", NULL, "AIF2DAC Mux" },
2087 { "MICBIAS1", NULL, "VMID" },
2088 { "MICBIAS2", NULL, "VMID" },
2089 };
2090
2091 static const struct snd_soc_dapm_route wm8958_intercon[] = {
2092 { "AIF2DACL", NULL, "AIF2DACL Mux" },
2093 { "AIF2DACR", NULL, "AIF2DACR Mux" },
2094
2095 { "AIF2DACL Mux", "AIF2", "AIF2DAC Mux" },
2096 { "AIF2DACL Mux", "AIF3", "AIF3DACDAT" },
2097 { "AIF2DACR Mux", "AIF2", "AIF2DAC Mux" },
2098 { "AIF2DACR Mux", "AIF3", "AIF3DACDAT" },
2099
2100 { "AIF3DACDAT", NULL, "AIF3" },
2101 { "AIF3ADCDAT", NULL, "AIF3" },
2102
2103 { "Mono PCM Out Mux", "AIF2ADCL", "AIF2ADCL" },
2104 { "Mono PCM Out Mux", "AIF2ADCR", "AIF2ADCR" },
2105
2106 { "AIF3ADC Mux", "Mono PCM", "Mono PCM Out Mux" },
2107 };
2108
2109 /* The size in bits of the FLL divide multiplied by 10
2110 * to allow rounding later */
2111 #define FIXED_FLL_SIZE ((1 << 16) * 10)
2112
2113 struct fll_div {
2114 u16 outdiv;
2115 u16 n;
2116 u16 k;
2117 u16 lambda;
2118 u16 clk_ref_div;
2119 u16 fll_fratio;
2120 };
2121
wm8994_get_fll_config(struct wm8994 * control,struct fll_div * fll,int freq_in,int freq_out)2122 static int wm8994_get_fll_config(struct wm8994 *control, struct fll_div *fll,
2123 int freq_in, int freq_out)
2124 {
2125 u64 Kpart;
2126 unsigned int K, Ndiv, Nmod, gcd_fll;
2127
2128 pr_debug("FLL input=%dHz, output=%dHz\n", freq_in, freq_out);
2129
2130 /* Scale the input frequency down to <= 13.5MHz */
2131 fll->clk_ref_div = 0;
2132 while (freq_in > 13500000) {
2133 fll->clk_ref_div++;
2134 freq_in /= 2;
2135
2136 if (fll->clk_ref_div > 3)
2137 return -EINVAL;
2138 }
2139 pr_debug("CLK_REF_DIV=%d, Fref=%dHz\n", fll->clk_ref_div, freq_in);
2140
2141 /* Scale the output to give 90MHz<=Fvco<=100MHz */
2142 fll->outdiv = 3;
2143 while (freq_out * (fll->outdiv + 1) < 90000000) {
2144 fll->outdiv++;
2145 if (fll->outdiv > 63)
2146 return -EINVAL;
2147 }
2148 freq_out *= fll->outdiv + 1;
2149 pr_debug("OUTDIV=%d, Fvco=%dHz\n", fll->outdiv, freq_out);
2150
2151 if (freq_in > 1000000) {
2152 fll->fll_fratio = 0;
2153 } else if (freq_in > 256000) {
2154 fll->fll_fratio = 1;
2155 freq_in *= 2;
2156 } else if (freq_in > 128000) {
2157 fll->fll_fratio = 2;
2158 freq_in *= 4;
2159 } else if (freq_in > 64000) {
2160 fll->fll_fratio = 3;
2161 freq_in *= 8;
2162 } else {
2163 fll->fll_fratio = 4;
2164 freq_in *= 16;
2165 }
2166 pr_debug("FLL_FRATIO=%d, Fref=%dHz\n", fll->fll_fratio, freq_in);
2167
2168 /* Now, calculate N.K */
2169 Ndiv = freq_out / freq_in;
2170
2171 fll->n = Ndiv;
2172 Nmod = freq_out % freq_in;
2173 pr_debug("Nmod=%d\n", Nmod);
2174
2175 switch (control->type) {
2176 case WM8994:
2177 /* Calculate fractional part - scale up so we can round. */
2178 Kpart = FIXED_FLL_SIZE * (long long)Nmod;
2179
2180 do_div(Kpart, freq_in);
2181
2182 K = Kpart & 0xFFFFFFFF;
2183
2184 if ((K % 10) >= 5)
2185 K += 5;
2186
2187 /* Move down to proper range now rounding is done */
2188 fll->k = K / 10;
2189 fll->lambda = 0;
2190
2191 pr_debug("N=%x K=%x\n", fll->n, fll->k);
2192 break;
2193
2194 default:
2195 gcd_fll = gcd(freq_out, freq_in);
2196
2197 fll->k = (freq_out - (freq_in * fll->n)) / gcd_fll;
2198 fll->lambda = freq_in / gcd_fll;
2199
2200 }
2201
2202 return 0;
2203 }
2204
_wm8994_set_fll(struct snd_soc_component * component,int id,int src,unsigned int freq_in,unsigned int freq_out)2205 static int _wm8994_set_fll(struct snd_soc_component *component, int id, int src,
2206 unsigned int freq_in, unsigned int freq_out)
2207 {
2208 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
2209 struct wm8994 *control = wm8994->wm8994;
2210 int reg_offset, ret;
2211 struct fll_div fll;
2212 u16 reg, clk1, aif_reg, aif_src;
2213 unsigned long timeout;
2214 bool was_enabled;
2215 struct clk *mclk;
2216
2217 switch (id) {
2218 case WM8994_FLL1:
2219 reg_offset = 0;
2220 id = 0;
2221 aif_src = 0x10;
2222 break;
2223 case WM8994_FLL2:
2224 reg_offset = 0x20;
2225 id = 1;
2226 aif_src = 0x18;
2227 break;
2228 default:
2229 return -EINVAL;
2230 }
2231
2232 reg = snd_soc_component_read(component, WM8994_FLL1_CONTROL_1 + reg_offset);
2233 was_enabled = reg & WM8994_FLL1_ENA;
2234
2235 switch (src) {
2236 case 0:
2237 /* Allow no source specification when stopping */
2238 if (freq_out)
2239 return -EINVAL;
2240 src = wm8994->fll[id].src;
2241 break;
2242 case WM8994_FLL_SRC_MCLK1:
2243 case WM8994_FLL_SRC_MCLK2:
2244 case WM8994_FLL_SRC_LRCLK:
2245 case WM8994_FLL_SRC_BCLK:
2246 break;
2247 case WM8994_FLL_SRC_INTERNAL:
2248 freq_in = 12000000;
2249 freq_out = 12000000;
2250 break;
2251 default:
2252 return -EINVAL;
2253 }
2254
2255 /* Are we changing anything? */
2256 if (wm8994->fll[id].src == src &&
2257 wm8994->fll[id].in == freq_in && wm8994->fll[id].out == freq_out)
2258 return 0;
2259
2260 /* If we're stopping the FLL redo the old config - no
2261 * registers will actually be written but we avoid GCC flow
2262 * analysis bugs spewing warnings.
2263 */
2264 if (freq_out)
2265 ret = wm8994_get_fll_config(control, &fll, freq_in, freq_out);
2266 else
2267 ret = wm8994_get_fll_config(control, &fll, wm8994->fll[id].in,
2268 wm8994->fll[id].out);
2269 if (ret < 0)
2270 return ret;
2271
2272 /* Make sure that we're not providing SYSCLK right now */
2273 clk1 = snd_soc_component_read(component, WM8994_CLOCKING_1);
2274 if (clk1 & WM8994_SYSCLK_SRC)
2275 aif_reg = WM8994_AIF2_CLOCKING_1;
2276 else
2277 aif_reg = WM8994_AIF1_CLOCKING_1;
2278 reg = snd_soc_component_read(component, aif_reg);
2279
2280 if ((reg & WM8994_AIF1CLK_ENA) &&
2281 (reg & WM8994_AIF1CLK_SRC_MASK) == aif_src) {
2282 dev_err(component->dev, "FLL%d is currently providing SYSCLK\n",
2283 id + 1);
2284 return -EBUSY;
2285 }
2286
2287 /* We always need to disable the FLL while reconfiguring */
2288 snd_soc_component_update_bits(component, WM8994_FLL1_CONTROL_1 + reg_offset,
2289 WM8994_FLL1_ENA, 0);
2290
2291 /* Disable MCLK if needed before we possibly change to new clock parent */
2292 if (was_enabled) {
2293 reg = snd_soc_component_read(component, WM8994_FLL1_CONTROL_5
2294 + reg_offset);
2295 reg = ((reg & WM8994_FLL1_REFCLK_SRC_MASK)
2296 >> WM8994_FLL1_REFCLK_SRC_SHIFT) + 1;
2297
2298 switch (reg) {
2299 case WM8994_FLL_SRC_MCLK1:
2300 mclk = wm8994->mclk[WM8994_MCLK1].clk;
2301 break;
2302 case WM8994_FLL_SRC_MCLK2:
2303 mclk = wm8994->mclk[WM8994_MCLK2].clk;
2304 break;
2305 default:
2306 mclk = NULL;
2307 }
2308
2309 clk_disable_unprepare(mclk);
2310 }
2311
2312 if (wm8994->fll_byp && src == WM8994_FLL_SRC_BCLK &&
2313 freq_in == freq_out && freq_out) {
2314 dev_dbg(component->dev, "Bypassing FLL%d\n", id + 1);
2315 snd_soc_component_update_bits(component, WM8994_FLL1_CONTROL_5 + reg_offset,
2316 WM8958_FLL1_BYP, WM8958_FLL1_BYP);
2317 goto out;
2318 }
2319
2320 reg = (fll.outdiv << WM8994_FLL1_OUTDIV_SHIFT) |
2321 (fll.fll_fratio << WM8994_FLL1_FRATIO_SHIFT);
2322 snd_soc_component_update_bits(component, WM8994_FLL1_CONTROL_2 + reg_offset,
2323 WM8994_FLL1_OUTDIV_MASK |
2324 WM8994_FLL1_FRATIO_MASK, reg);
2325
2326 snd_soc_component_update_bits(component, WM8994_FLL1_CONTROL_3 + reg_offset,
2327 WM8994_FLL1_K_MASK, fll.k);
2328
2329 snd_soc_component_update_bits(component, WM8994_FLL1_CONTROL_4 + reg_offset,
2330 WM8994_FLL1_N_MASK,
2331 fll.n << WM8994_FLL1_N_SHIFT);
2332
2333 if (fll.lambda) {
2334 snd_soc_component_update_bits(component, WM8958_FLL1_EFS_1 + reg_offset,
2335 WM8958_FLL1_LAMBDA_MASK,
2336 fll.lambda);
2337 snd_soc_component_update_bits(component, WM8958_FLL1_EFS_2 + reg_offset,
2338 WM8958_FLL1_EFS_ENA, WM8958_FLL1_EFS_ENA);
2339 } else {
2340 snd_soc_component_update_bits(component, WM8958_FLL1_EFS_2 + reg_offset,
2341 WM8958_FLL1_EFS_ENA, 0);
2342 }
2343
2344 snd_soc_component_update_bits(component, WM8994_FLL1_CONTROL_5 + reg_offset,
2345 WM8994_FLL1_FRC_NCO | WM8958_FLL1_BYP |
2346 WM8994_FLL1_REFCLK_DIV_MASK |
2347 WM8994_FLL1_REFCLK_SRC_MASK,
2348 ((src == WM8994_FLL_SRC_INTERNAL)
2349 << WM8994_FLL1_FRC_NCO_SHIFT) |
2350 (fll.clk_ref_div << WM8994_FLL1_REFCLK_DIV_SHIFT) |
2351 (src - 1));
2352
2353 /* Clear any pending completion from a previous failure */
2354 try_wait_for_completion(&wm8994->fll_locked[id]);
2355
2356 switch (src) {
2357 case WM8994_FLL_SRC_MCLK1:
2358 mclk = wm8994->mclk[WM8994_MCLK1].clk;
2359 break;
2360 case WM8994_FLL_SRC_MCLK2:
2361 mclk = wm8994->mclk[WM8994_MCLK2].clk;
2362 break;
2363 default:
2364 mclk = NULL;
2365 }
2366
2367 /* Enable (with fractional mode if required) */
2368 if (freq_out) {
2369 ret = clk_prepare_enable(mclk);
2370 if (ret < 0) {
2371 dev_err(component->dev, "Failed to enable MCLK for FLL%d\n",
2372 id + 1);
2373 return ret;
2374 }
2375
2376 /* Enable VMID if we need it */
2377 if (!was_enabled) {
2378
2379 active_reference(component);
2380
2381 switch (control->type) {
2382 case WM8994:
2383 vmid_reference(component);
2384 break;
2385 case WM8958:
2386 if (control->revision < 1)
2387 vmid_reference(component);
2388 break;
2389 default:
2390 break;
2391 }
2392 }
2393
2394 reg = WM8994_FLL1_ENA;
2395
2396 if (fll.k)
2397 reg |= WM8994_FLL1_FRAC;
2398 if (src == WM8994_FLL_SRC_INTERNAL)
2399 reg |= WM8994_FLL1_OSC_ENA;
2400
2401 snd_soc_component_update_bits(component, WM8994_FLL1_CONTROL_1 + reg_offset,
2402 WM8994_FLL1_ENA | WM8994_FLL1_OSC_ENA |
2403 WM8994_FLL1_FRAC, reg);
2404
2405 if (wm8994->fll_locked_irq) {
2406 timeout = wait_for_completion_timeout(&wm8994->fll_locked[id],
2407 msecs_to_jiffies(10));
2408 if (timeout == 0)
2409 dev_warn(component->dev,
2410 "Timed out waiting for FLL lock\n");
2411 } else {
2412 msleep(5);
2413 }
2414 } else {
2415 if (was_enabled) {
2416 switch (control->type) {
2417 case WM8994:
2418 vmid_dereference(component);
2419 break;
2420 case WM8958:
2421 if (control->revision < 1)
2422 vmid_dereference(component);
2423 break;
2424 default:
2425 break;
2426 }
2427
2428 active_dereference(component);
2429 }
2430 }
2431
2432 out:
2433 wm8994->fll[id].in = freq_in;
2434 wm8994->fll[id].out = freq_out;
2435 wm8994->fll[id].src = src;
2436
2437 configure_clock(component);
2438
2439 /*
2440 * If SYSCLK will be less than 50kHz adjust AIFnCLK dividers
2441 * for detection.
2442 */
2443 if (max(wm8994->aifclk[0], wm8994->aifclk[1]) < 50000) {
2444 dev_dbg(component->dev, "Configuring AIFs for 128fs\n");
2445
2446 wm8994->aifdiv[0] = snd_soc_component_read(component, WM8994_AIF1_RATE)
2447 & WM8994_AIF1CLK_RATE_MASK;
2448 wm8994->aifdiv[1] = snd_soc_component_read(component, WM8994_AIF2_RATE)
2449 & WM8994_AIF1CLK_RATE_MASK;
2450
2451 snd_soc_component_update_bits(component, WM8994_AIF1_RATE,
2452 WM8994_AIF1CLK_RATE_MASK, 0x1);
2453 snd_soc_component_update_bits(component, WM8994_AIF2_RATE,
2454 WM8994_AIF2CLK_RATE_MASK, 0x1);
2455 } else if (wm8994->aifdiv[0]) {
2456 snd_soc_component_update_bits(component, WM8994_AIF1_RATE,
2457 WM8994_AIF1CLK_RATE_MASK,
2458 wm8994->aifdiv[0]);
2459 snd_soc_component_update_bits(component, WM8994_AIF2_RATE,
2460 WM8994_AIF2CLK_RATE_MASK,
2461 wm8994->aifdiv[1]);
2462
2463 wm8994->aifdiv[0] = 0;
2464 wm8994->aifdiv[1] = 0;
2465 }
2466
2467 return 0;
2468 }
2469
wm8994_fll_locked_irq(int irq,void * data)2470 static irqreturn_t wm8994_fll_locked_irq(int irq, void *data)
2471 {
2472 struct completion *completion = data;
2473
2474 complete(completion);
2475
2476 return IRQ_HANDLED;
2477 }
2478
2479 static int opclk_divs[] = { 10, 20, 30, 40, 55, 60, 80, 120, 160 };
2480
wm8994_set_fll(struct snd_soc_dai * dai,int id,int src,unsigned int freq_in,unsigned int freq_out)2481 static int wm8994_set_fll(struct snd_soc_dai *dai, int id, int src,
2482 unsigned int freq_in, unsigned int freq_out)
2483 {
2484 return _wm8994_set_fll(dai->component, id, src, freq_in, freq_out);
2485 }
2486
wm8994_set_mclk_rate(struct wm8994_priv * wm8994,unsigned int id,unsigned int * freq)2487 static int wm8994_set_mclk_rate(struct wm8994_priv *wm8994, unsigned int id,
2488 unsigned int *freq)
2489 {
2490 int ret;
2491
2492 if (!wm8994->mclk[id].clk || *freq == wm8994->mclk_rate[id])
2493 return 0;
2494
2495 ret = clk_set_rate(wm8994->mclk[id].clk, *freq);
2496 if (ret < 0)
2497 return ret;
2498
2499 *freq = clk_get_rate(wm8994->mclk[id].clk);
2500
2501 return 0;
2502 }
2503
wm8994_set_dai_sysclk(struct snd_soc_dai * dai,int clk_id,unsigned int freq,int dir)2504 static int wm8994_set_dai_sysclk(struct snd_soc_dai *dai,
2505 int clk_id, unsigned int freq, int dir)
2506 {
2507 struct snd_soc_component *component = dai->component;
2508 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
2509 int ret, i;
2510
2511 switch (dai->id) {
2512 case 1:
2513 case 2:
2514 break;
2515
2516 default:
2517 /* AIF3 shares clocking with AIF1/2 */
2518 return -EINVAL;
2519 }
2520
2521 switch (clk_id) {
2522 case WM8994_SYSCLK_MCLK1:
2523 wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_MCLK1;
2524
2525 ret = wm8994_set_mclk_rate(wm8994, dai->id - 1, &freq);
2526 if (ret < 0)
2527 return ret;
2528
2529 wm8994->mclk_rate[0] = freq;
2530 dev_dbg(dai->dev, "AIF%d using MCLK1 at %uHz\n",
2531 dai->id, freq);
2532 break;
2533
2534 case WM8994_SYSCLK_MCLK2:
2535 /* TODO: Set GPIO AF */
2536 wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_MCLK2;
2537
2538 ret = wm8994_set_mclk_rate(wm8994, dai->id - 1, &freq);
2539 if (ret < 0)
2540 return ret;
2541
2542 wm8994->mclk_rate[1] = freq;
2543 dev_dbg(dai->dev, "AIF%d using MCLK2 at %uHz\n",
2544 dai->id, freq);
2545 break;
2546
2547 case WM8994_SYSCLK_FLL1:
2548 wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_FLL1;
2549 dev_dbg(dai->dev, "AIF%d using FLL1\n", dai->id);
2550 break;
2551
2552 case WM8994_SYSCLK_FLL2:
2553 wm8994->sysclk[dai->id - 1] = WM8994_SYSCLK_FLL2;
2554 dev_dbg(dai->dev, "AIF%d using FLL2\n", dai->id);
2555 break;
2556
2557 case WM8994_SYSCLK_OPCLK:
2558 /* Special case - a division (times 10) is given and
2559 * no effect on main clocking.
2560 */
2561 if (freq) {
2562 for (i = 0; i < ARRAY_SIZE(opclk_divs); i++)
2563 if (opclk_divs[i] == freq)
2564 break;
2565 if (i == ARRAY_SIZE(opclk_divs))
2566 return -EINVAL;
2567 snd_soc_component_update_bits(component, WM8994_CLOCKING_2,
2568 WM8994_OPCLK_DIV_MASK, i);
2569 snd_soc_component_update_bits(component, WM8994_POWER_MANAGEMENT_2,
2570 WM8994_OPCLK_ENA, WM8994_OPCLK_ENA);
2571 } else {
2572 snd_soc_component_update_bits(component, WM8994_POWER_MANAGEMENT_2,
2573 WM8994_OPCLK_ENA, 0);
2574 }
2575 break;
2576
2577 default:
2578 return -EINVAL;
2579 }
2580
2581 configure_clock(component);
2582
2583 /*
2584 * If SYSCLK will be less than 50kHz adjust AIFnCLK dividers
2585 * for detection.
2586 */
2587 if (max(wm8994->aifclk[0], wm8994->aifclk[1]) < 50000) {
2588 dev_dbg(component->dev, "Configuring AIFs for 128fs\n");
2589
2590 wm8994->aifdiv[0] = snd_soc_component_read(component, WM8994_AIF1_RATE)
2591 & WM8994_AIF1CLK_RATE_MASK;
2592 wm8994->aifdiv[1] = snd_soc_component_read(component, WM8994_AIF2_RATE)
2593 & WM8994_AIF1CLK_RATE_MASK;
2594
2595 snd_soc_component_update_bits(component, WM8994_AIF1_RATE,
2596 WM8994_AIF1CLK_RATE_MASK, 0x1);
2597 snd_soc_component_update_bits(component, WM8994_AIF2_RATE,
2598 WM8994_AIF2CLK_RATE_MASK, 0x1);
2599 } else if (wm8994->aifdiv[0]) {
2600 snd_soc_component_update_bits(component, WM8994_AIF1_RATE,
2601 WM8994_AIF1CLK_RATE_MASK,
2602 wm8994->aifdiv[0]);
2603 snd_soc_component_update_bits(component, WM8994_AIF2_RATE,
2604 WM8994_AIF2CLK_RATE_MASK,
2605 wm8994->aifdiv[1]);
2606
2607 wm8994->aifdiv[0] = 0;
2608 wm8994->aifdiv[1] = 0;
2609 }
2610
2611 return 0;
2612 }
2613
wm8994_set_bias_level(struct snd_soc_component * component,enum snd_soc_bias_level level)2614 static int wm8994_set_bias_level(struct snd_soc_component *component,
2615 enum snd_soc_bias_level level)
2616 {
2617 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
2618 struct wm8994 *control = wm8994->wm8994;
2619
2620 wm_hubs_set_bias_level(component, level);
2621
2622 switch (level) {
2623 case SND_SOC_BIAS_ON:
2624 break;
2625
2626 case SND_SOC_BIAS_PREPARE:
2627 /* MICBIAS into regulating mode */
2628 switch (control->type) {
2629 case WM8958:
2630 case WM1811:
2631 snd_soc_component_update_bits(component, WM8958_MICBIAS1,
2632 WM8958_MICB1_MODE, 0);
2633 snd_soc_component_update_bits(component, WM8958_MICBIAS2,
2634 WM8958_MICB2_MODE, 0);
2635 break;
2636 default:
2637 break;
2638 }
2639
2640 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY)
2641 active_reference(component);
2642 break;
2643
2644 case SND_SOC_BIAS_STANDBY:
2645 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
2646 switch (control->type) {
2647 case WM8958:
2648 if (control->revision == 0) {
2649 /* Optimise performance for rev A */
2650 snd_soc_component_update_bits(component,
2651 WM8958_CHARGE_PUMP_2,
2652 WM8958_CP_DISCH,
2653 WM8958_CP_DISCH);
2654 }
2655 break;
2656
2657 default:
2658 break;
2659 }
2660
2661 /* Discharge LINEOUT1 & 2 */
2662 snd_soc_component_update_bits(component, WM8994_ANTIPOP_1,
2663 WM8994_LINEOUT1_DISCH |
2664 WM8994_LINEOUT2_DISCH,
2665 WM8994_LINEOUT1_DISCH |
2666 WM8994_LINEOUT2_DISCH);
2667 }
2668
2669 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_PREPARE)
2670 active_dereference(component);
2671
2672 /* MICBIAS into bypass mode on newer devices */
2673 switch (control->type) {
2674 case WM8958:
2675 case WM1811:
2676 snd_soc_component_update_bits(component, WM8958_MICBIAS1,
2677 WM8958_MICB1_MODE,
2678 WM8958_MICB1_MODE);
2679 snd_soc_component_update_bits(component, WM8958_MICBIAS2,
2680 WM8958_MICB2_MODE,
2681 WM8958_MICB2_MODE);
2682 break;
2683 default:
2684 break;
2685 }
2686 break;
2687
2688 case SND_SOC_BIAS_OFF:
2689 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY)
2690 wm8994->cur_fw = NULL;
2691 break;
2692 }
2693
2694 return 0;
2695 }
2696
wm8994_vmid_mode(struct snd_soc_component * component,enum wm8994_vmid_mode mode)2697 int wm8994_vmid_mode(struct snd_soc_component *component, enum wm8994_vmid_mode mode)
2698 {
2699 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
2700 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
2701
2702 switch (mode) {
2703 case WM8994_VMID_NORMAL:
2704 snd_soc_dapm_mutex_lock(dapm);
2705
2706 if (wm8994->hubs.lineout1_se) {
2707 snd_soc_dapm_disable_pin_unlocked(dapm,
2708 "LINEOUT1N Driver");
2709 snd_soc_dapm_disable_pin_unlocked(dapm,
2710 "LINEOUT1P Driver");
2711 }
2712 if (wm8994->hubs.lineout2_se) {
2713 snd_soc_dapm_disable_pin_unlocked(dapm,
2714 "LINEOUT2N Driver");
2715 snd_soc_dapm_disable_pin_unlocked(dapm,
2716 "LINEOUT2P Driver");
2717 }
2718
2719 /* Do the sync with the old mode to allow it to clean up */
2720 snd_soc_dapm_sync_unlocked(dapm);
2721 wm8994->vmid_mode = mode;
2722
2723 snd_soc_dapm_mutex_unlock(dapm);
2724 break;
2725
2726 case WM8994_VMID_FORCE:
2727 snd_soc_dapm_mutex_lock(dapm);
2728
2729 if (wm8994->hubs.lineout1_se) {
2730 snd_soc_dapm_force_enable_pin_unlocked(dapm,
2731 "LINEOUT1N Driver");
2732 snd_soc_dapm_force_enable_pin_unlocked(dapm,
2733 "LINEOUT1P Driver");
2734 }
2735 if (wm8994->hubs.lineout2_se) {
2736 snd_soc_dapm_force_enable_pin_unlocked(dapm,
2737 "LINEOUT2N Driver");
2738 snd_soc_dapm_force_enable_pin_unlocked(dapm,
2739 "LINEOUT2P Driver");
2740 }
2741
2742 wm8994->vmid_mode = mode;
2743 snd_soc_dapm_sync_unlocked(dapm);
2744
2745 snd_soc_dapm_mutex_unlock(dapm);
2746 break;
2747
2748 default:
2749 return -EINVAL;
2750 }
2751
2752 return 0;
2753 }
2754
wm8994_set_dai_fmt(struct snd_soc_dai * dai,unsigned int fmt)2755 static int wm8994_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
2756 {
2757 struct snd_soc_component *component = dai->component;
2758 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
2759 struct wm8994 *control = wm8994->wm8994;
2760 int ms_reg;
2761 int aif1_reg;
2762 int dac_reg;
2763 int adc_reg;
2764 int ms = 0;
2765 int aif1 = 0;
2766 int lrclk = 0;
2767
2768 switch (dai->id) {
2769 case 1:
2770 ms_reg = WM8994_AIF1_MASTER_SLAVE;
2771 aif1_reg = WM8994_AIF1_CONTROL_1;
2772 dac_reg = WM8994_AIF1DAC_LRCLK;
2773 adc_reg = WM8994_AIF1ADC_LRCLK;
2774 break;
2775 case 2:
2776 ms_reg = WM8994_AIF2_MASTER_SLAVE;
2777 aif1_reg = WM8994_AIF2_CONTROL_1;
2778 dac_reg = WM8994_AIF1DAC_LRCLK;
2779 adc_reg = WM8994_AIF1ADC_LRCLK;
2780 break;
2781 default:
2782 return -EINVAL;
2783 }
2784
2785 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
2786 case SND_SOC_DAIFMT_CBS_CFS:
2787 break;
2788 case SND_SOC_DAIFMT_CBM_CFM:
2789 ms = WM8994_AIF1_MSTR;
2790 break;
2791 default:
2792 return -EINVAL;
2793 }
2794
2795 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
2796 case SND_SOC_DAIFMT_DSP_B:
2797 aif1 |= WM8994_AIF1_LRCLK_INV;
2798 lrclk |= WM8958_AIF1_LRCLK_INV;
2799 fallthrough;
2800 case SND_SOC_DAIFMT_DSP_A:
2801 aif1 |= 0x18;
2802 break;
2803 case SND_SOC_DAIFMT_I2S:
2804 aif1 |= 0x10;
2805 break;
2806 case SND_SOC_DAIFMT_RIGHT_J:
2807 break;
2808 case SND_SOC_DAIFMT_LEFT_J:
2809 aif1 |= 0x8;
2810 break;
2811 default:
2812 return -EINVAL;
2813 }
2814
2815 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
2816 case SND_SOC_DAIFMT_DSP_A:
2817 case SND_SOC_DAIFMT_DSP_B:
2818 /* frame inversion not valid for DSP modes */
2819 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
2820 case SND_SOC_DAIFMT_NB_NF:
2821 break;
2822 case SND_SOC_DAIFMT_IB_NF:
2823 aif1 |= WM8994_AIF1_BCLK_INV;
2824 break;
2825 default:
2826 return -EINVAL;
2827 }
2828 break;
2829
2830 case SND_SOC_DAIFMT_I2S:
2831 case SND_SOC_DAIFMT_RIGHT_J:
2832 case SND_SOC_DAIFMT_LEFT_J:
2833 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
2834 case SND_SOC_DAIFMT_NB_NF:
2835 break;
2836 case SND_SOC_DAIFMT_IB_IF:
2837 aif1 |= WM8994_AIF1_BCLK_INV | WM8994_AIF1_LRCLK_INV;
2838 lrclk |= WM8958_AIF1_LRCLK_INV;
2839 break;
2840 case SND_SOC_DAIFMT_IB_NF:
2841 aif1 |= WM8994_AIF1_BCLK_INV;
2842 break;
2843 case SND_SOC_DAIFMT_NB_IF:
2844 aif1 |= WM8994_AIF1_LRCLK_INV;
2845 lrclk |= WM8958_AIF1_LRCLK_INV;
2846 break;
2847 default:
2848 return -EINVAL;
2849 }
2850 break;
2851 default:
2852 return -EINVAL;
2853 }
2854
2855 /* The AIF2 format configuration needs to be mirrored to AIF3
2856 * on WM8958 if it's in use so just do it all the time. */
2857 switch (control->type) {
2858 case WM1811:
2859 case WM8958:
2860 if (dai->id == 2)
2861 snd_soc_component_update_bits(component, WM8958_AIF3_CONTROL_1,
2862 WM8994_AIF1_LRCLK_INV |
2863 WM8958_AIF3_FMT_MASK, aif1);
2864 break;
2865
2866 default:
2867 break;
2868 }
2869
2870 snd_soc_component_update_bits(component, aif1_reg,
2871 WM8994_AIF1_BCLK_INV | WM8994_AIF1_LRCLK_INV |
2872 WM8994_AIF1_FMT_MASK,
2873 aif1);
2874 snd_soc_component_update_bits(component, ms_reg, WM8994_AIF1_MSTR,
2875 ms);
2876 snd_soc_component_update_bits(component, dac_reg,
2877 WM8958_AIF1_LRCLK_INV, lrclk);
2878 snd_soc_component_update_bits(component, adc_reg,
2879 WM8958_AIF1_LRCLK_INV, lrclk);
2880
2881 return 0;
2882 }
2883
2884 static struct {
2885 int val, rate;
2886 } srs[] = {
2887 { 0, 8000 },
2888 { 1, 11025 },
2889 { 2, 12000 },
2890 { 3, 16000 },
2891 { 4, 22050 },
2892 { 5, 24000 },
2893 { 6, 32000 },
2894 { 7, 44100 },
2895 { 8, 48000 },
2896 { 9, 88200 },
2897 { 10, 96000 },
2898 };
2899
2900 static int fs_ratios[] = {
2901 64, 128, 192, 256, 384, 512, 768, 1024, 1408, 1536
2902 };
2903
2904 static int bclk_divs[] = {
2905 10, 15, 20, 30, 40, 50, 60, 80, 110, 120, 160, 220, 240, 320, 440, 480,
2906 640, 880, 960, 1280, 1760, 1920
2907 };
2908
wm8994_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)2909 static int wm8994_hw_params(struct snd_pcm_substream *substream,
2910 struct snd_pcm_hw_params *params,
2911 struct snd_soc_dai *dai)
2912 {
2913 struct snd_soc_component *component = dai->component;
2914 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
2915 struct wm8994 *control = wm8994->wm8994;
2916 struct wm8994_pdata *pdata = &control->pdata;
2917 int aif1_reg;
2918 int aif2_reg;
2919 int bclk_reg;
2920 int lrclk_reg;
2921 int rate_reg;
2922 int aif1 = 0;
2923 int aif2 = 0;
2924 int bclk = 0;
2925 int lrclk = 0;
2926 int rate_val = 0;
2927 int id = dai->id - 1;
2928
2929 int i, cur_val, best_val, bclk_rate, best;
2930
2931 switch (dai->id) {
2932 case 1:
2933 aif1_reg = WM8994_AIF1_CONTROL_1;
2934 aif2_reg = WM8994_AIF1_CONTROL_2;
2935 bclk_reg = WM8994_AIF1_BCLK;
2936 rate_reg = WM8994_AIF1_RATE;
2937 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
2938 wm8994->lrclk_shared[0]) {
2939 lrclk_reg = WM8994_AIF1DAC_LRCLK;
2940 } else {
2941 lrclk_reg = WM8994_AIF1ADC_LRCLK;
2942 dev_dbg(component->dev, "AIF1 using split LRCLK\n");
2943 }
2944 break;
2945 case 2:
2946 aif1_reg = WM8994_AIF2_CONTROL_1;
2947 aif2_reg = WM8994_AIF2_CONTROL_2;
2948 bclk_reg = WM8994_AIF2_BCLK;
2949 rate_reg = WM8994_AIF2_RATE;
2950 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
2951 wm8994->lrclk_shared[1]) {
2952 lrclk_reg = WM8994_AIF2DAC_LRCLK;
2953 } else {
2954 lrclk_reg = WM8994_AIF2ADC_LRCLK;
2955 dev_dbg(component->dev, "AIF2 using split LRCLK\n");
2956 }
2957 break;
2958 default:
2959 return -EINVAL;
2960 }
2961
2962 bclk_rate = params_rate(params);
2963 switch (params_width(params)) {
2964 case 16:
2965 bclk_rate *= 16;
2966 break;
2967 case 20:
2968 bclk_rate *= 20;
2969 aif1 |= 0x20;
2970 break;
2971 case 24:
2972 bclk_rate *= 24;
2973 aif1 |= 0x40;
2974 break;
2975 case 32:
2976 bclk_rate *= 32;
2977 aif1 |= 0x60;
2978 break;
2979 default:
2980 return -EINVAL;
2981 }
2982
2983 wm8994->channels[id] = params_channels(params);
2984 if (pdata->max_channels_clocked[id] &&
2985 wm8994->channels[id] > pdata->max_channels_clocked[id]) {
2986 dev_dbg(dai->dev, "Constraining channels to %d from %d\n",
2987 pdata->max_channels_clocked[id], wm8994->channels[id]);
2988 wm8994->channels[id] = pdata->max_channels_clocked[id];
2989 }
2990
2991 switch (wm8994->channels[id]) {
2992 case 1:
2993 case 2:
2994 bclk_rate *= 2;
2995 break;
2996 default:
2997 bclk_rate *= 4;
2998 break;
2999 }
3000
3001 /* Try to find an appropriate sample rate; look for an exact match. */
3002 for (i = 0; i < ARRAY_SIZE(srs); i++)
3003 if (srs[i].rate == params_rate(params))
3004 break;
3005 if (i == ARRAY_SIZE(srs))
3006 return -EINVAL;
3007 rate_val |= srs[i].val << WM8994_AIF1_SR_SHIFT;
3008
3009 dev_dbg(dai->dev, "Sample rate is %dHz\n", srs[i].rate);
3010 dev_dbg(dai->dev, "AIF%dCLK is %dHz, target BCLK %dHz\n",
3011 dai->id, wm8994->aifclk[id], bclk_rate);
3012
3013 if (wm8994->channels[id] == 1 &&
3014 (snd_soc_component_read(component, aif1_reg) & 0x18) == 0x18)
3015 aif2 |= WM8994_AIF1_MONO;
3016
3017 if (wm8994->aifclk[id] == 0) {
3018 dev_err(dai->dev, "AIF%dCLK not configured\n", dai->id);
3019 return -EINVAL;
3020 }
3021
3022 /* AIFCLK/fs ratio; look for a close match in either direction */
3023 best = 0;
3024 best_val = abs((fs_ratios[0] * params_rate(params))
3025 - wm8994->aifclk[id]);
3026 for (i = 1; i < ARRAY_SIZE(fs_ratios); i++) {
3027 cur_val = abs((fs_ratios[i] * params_rate(params))
3028 - wm8994->aifclk[id]);
3029 if (cur_val >= best_val)
3030 continue;
3031 best = i;
3032 best_val = cur_val;
3033 }
3034 dev_dbg(dai->dev, "Selected AIF%dCLK/fs = %d\n",
3035 dai->id, fs_ratios[best]);
3036 rate_val |= best;
3037
3038 /* We may not get quite the right frequency if using
3039 * approximate clocks so look for the closest match that is
3040 * higher than the target (we need to ensure that there enough
3041 * BCLKs to clock out the samples).
3042 */
3043 best = 0;
3044 for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
3045 cur_val = (wm8994->aifclk[id] * 10 / bclk_divs[i]) - bclk_rate;
3046 if (cur_val < 0) /* BCLK table is sorted */
3047 break;
3048 best = i;
3049 }
3050 bclk_rate = wm8994->aifclk[id] * 10 / bclk_divs[best];
3051 dev_dbg(dai->dev, "Using BCLK_DIV %d for actual BCLK %dHz\n",
3052 bclk_divs[best], bclk_rate);
3053 bclk |= best << WM8994_AIF1_BCLK_DIV_SHIFT;
3054
3055 lrclk = bclk_rate / params_rate(params);
3056 if (!lrclk) {
3057 dev_err(dai->dev, "Unable to generate LRCLK from %dHz BCLK\n",
3058 bclk_rate);
3059 return -EINVAL;
3060 }
3061 dev_dbg(dai->dev, "Using LRCLK rate %d for actual LRCLK %dHz\n",
3062 lrclk, bclk_rate / lrclk);
3063
3064 snd_soc_component_update_bits(component, aif1_reg, WM8994_AIF1_WL_MASK, aif1);
3065 snd_soc_component_update_bits(component, aif2_reg, WM8994_AIF1_MONO, aif2);
3066 snd_soc_component_update_bits(component, bclk_reg, WM8994_AIF1_BCLK_DIV_MASK, bclk);
3067 snd_soc_component_update_bits(component, lrclk_reg, WM8994_AIF1DAC_RATE_MASK,
3068 lrclk);
3069 snd_soc_component_update_bits(component, rate_reg, WM8994_AIF1_SR_MASK |
3070 WM8994_AIF1CLK_RATE_MASK, rate_val);
3071
3072 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
3073 switch (dai->id) {
3074 case 1:
3075 wm8994->dac_rates[0] = params_rate(params);
3076 wm8994_set_retune_mobile(component, 0);
3077 wm8994_set_retune_mobile(component, 1);
3078 break;
3079 case 2:
3080 wm8994->dac_rates[1] = params_rate(params);
3081 wm8994_set_retune_mobile(component, 2);
3082 break;
3083 }
3084 }
3085
3086 return 0;
3087 }
3088
wm8994_aif3_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)3089 static int wm8994_aif3_hw_params(struct snd_pcm_substream *substream,
3090 struct snd_pcm_hw_params *params,
3091 struct snd_soc_dai *dai)
3092 {
3093 struct snd_soc_component *component = dai->component;
3094 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
3095 struct wm8994 *control = wm8994->wm8994;
3096 int aif1_reg;
3097 int aif1 = 0;
3098
3099 switch (dai->id) {
3100 case 3:
3101 switch (control->type) {
3102 case WM1811:
3103 case WM8958:
3104 aif1_reg = WM8958_AIF3_CONTROL_1;
3105 break;
3106 default:
3107 return 0;
3108 }
3109 break;
3110 default:
3111 return 0;
3112 }
3113
3114 switch (params_width(params)) {
3115 case 16:
3116 break;
3117 case 20:
3118 aif1 |= 0x20;
3119 break;
3120 case 24:
3121 aif1 |= 0x40;
3122 break;
3123 case 32:
3124 aif1 |= 0x60;
3125 break;
3126 default:
3127 return -EINVAL;
3128 }
3129
3130 return snd_soc_component_update_bits(component, aif1_reg, WM8994_AIF1_WL_MASK, aif1);
3131 }
3132
wm8994_aif_mute(struct snd_soc_dai * codec_dai,int mute,int direction)3133 static int wm8994_aif_mute(struct snd_soc_dai *codec_dai, int mute,
3134 int direction)
3135 {
3136 struct snd_soc_component *component = codec_dai->component;
3137 int mute_reg;
3138 int reg;
3139
3140 switch (codec_dai->id) {
3141 case 1:
3142 mute_reg = WM8994_AIF1_DAC1_FILTERS_1;
3143 break;
3144 case 2:
3145 mute_reg = WM8994_AIF2_DAC_FILTERS_1;
3146 break;
3147 default:
3148 return -EINVAL;
3149 }
3150
3151 if (mute)
3152 reg = WM8994_AIF1DAC1_MUTE;
3153 else
3154 reg = 0;
3155
3156 snd_soc_component_update_bits(component, mute_reg, WM8994_AIF1DAC1_MUTE, reg);
3157
3158 return 0;
3159 }
3160
wm8994_set_tristate(struct snd_soc_dai * codec_dai,int tristate)3161 static int wm8994_set_tristate(struct snd_soc_dai *codec_dai, int tristate)
3162 {
3163 struct snd_soc_component *component = codec_dai->component;
3164 int reg, val, mask;
3165
3166 switch (codec_dai->id) {
3167 case 1:
3168 reg = WM8994_AIF1_MASTER_SLAVE;
3169 mask = WM8994_AIF1_TRI;
3170 break;
3171 case 2:
3172 reg = WM8994_AIF2_MASTER_SLAVE;
3173 mask = WM8994_AIF2_TRI;
3174 break;
3175 default:
3176 return -EINVAL;
3177 }
3178
3179 if (tristate)
3180 val = mask;
3181 else
3182 val = 0;
3183
3184 return snd_soc_component_update_bits(component, reg, mask, val);
3185 }
3186
wm8994_aif2_probe(struct snd_soc_dai * dai)3187 static int wm8994_aif2_probe(struct snd_soc_dai *dai)
3188 {
3189 struct snd_soc_component *component = dai->component;
3190
3191 /* Disable the pulls on the AIF if we're using it to save power. */
3192 snd_soc_component_update_bits(component, WM8994_GPIO_3,
3193 WM8994_GPN_PU | WM8994_GPN_PD, 0);
3194 snd_soc_component_update_bits(component, WM8994_GPIO_4,
3195 WM8994_GPN_PU | WM8994_GPN_PD, 0);
3196 snd_soc_component_update_bits(component, WM8994_GPIO_5,
3197 WM8994_GPN_PU | WM8994_GPN_PD, 0);
3198
3199 return 0;
3200 }
3201
3202 #define WM8994_RATES SNDRV_PCM_RATE_8000_96000
3203
3204 #define WM8994_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
3205 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
3206
3207 static const struct snd_soc_dai_ops wm8994_aif1_dai_ops = {
3208 .set_sysclk = wm8994_set_dai_sysclk,
3209 .set_fmt = wm8994_set_dai_fmt,
3210 .hw_params = wm8994_hw_params,
3211 .mute_stream = wm8994_aif_mute,
3212 .set_pll = wm8994_set_fll,
3213 .set_tristate = wm8994_set_tristate,
3214 .no_capture_mute = 1,
3215 };
3216
3217 static const struct snd_soc_dai_ops wm8994_aif2_dai_ops = {
3218 .probe = wm8994_aif2_probe,
3219 .set_sysclk = wm8994_set_dai_sysclk,
3220 .set_fmt = wm8994_set_dai_fmt,
3221 .hw_params = wm8994_hw_params,
3222 .mute_stream = wm8994_aif_mute,
3223 .set_pll = wm8994_set_fll,
3224 .set_tristate = wm8994_set_tristate,
3225 .no_capture_mute = 1,
3226 };
3227
3228 static const struct snd_soc_dai_ops wm8994_aif3_dai_ops = {
3229 .hw_params = wm8994_aif3_hw_params,
3230 };
3231
3232 static struct snd_soc_dai_driver wm8994_dai[] = {
3233 {
3234 .name = "wm8994-aif1",
3235 .id = 1,
3236 .playback = {
3237 .stream_name = "AIF1 Playback",
3238 .channels_min = 1,
3239 .channels_max = 2,
3240 .rates = WM8994_RATES,
3241 .formats = WM8994_FORMATS,
3242 .sig_bits = 24,
3243 },
3244 .capture = {
3245 .stream_name = "AIF1 Capture",
3246 .channels_min = 1,
3247 .channels_max = 2,
3248 .rates = WM8994_RATES,
3249 .formats = WM8994_FORMATS,
3250 .sig_bits = 24,
3251 },
3252 .ops = &wm8994_aif1_dai_ops,
3253 },
3254 {
3255 .name = "wm8994-aif2",
3256 .id = 2,
3257 .playback = {
3258 .stream_name = "AIF2 Playback",
3259 .channels_min = 1,
3260 .channels_max = 2,
3261 .rates = WM8994_RATES,
3262 .formats = WM8994_FORMATS,
3263 .sig_bits = 24,
3264 },
3265 .capture = {
3266 .stream_name = "AIF2 Capture",
3267 .channels_min = 1,
3268 .channels_max = 2,
3269 .rates = WM8994_RATES,
3270 .formats = WM8994_FORMATS,
3271 .sig_bits = 24,
3272 },
3273 .ops = &wm8994_aif2_dai_ops,
3274 },
3275 {
3276 .name = "wm8994-aif3",
3277 .id = 3,
3278 .playback = {
3279 .stream_name = "AIF3 Playback",
3280 .channels_min = 1,
3281 .channels_max = 2,
3282 .rates = WM8994_RATES,
3283 .formats = WM8994_FORMATS,
3284 .sig_bits = 24,
3285 },
3286 .capture = {
3287 .stream_name = "AIF3 Capture",
3288 .channels_min = 1,
3289 .channels_max = 2,
3290 .rates = WM8994_RATES,
3291 .formats = WM8994_FORMATS,
3292 .sig_bits = 24,
3293 },
3294 .ops = &wm8994_aif3_dai_ops,
3295 }
3296 };
3297
3298 #ifdef CONFIG_PM
wm8994_component_suspend(struct snd_soc_component * component)3299 static int wm8994_component_suspend(struct snd_soc_component *component)
3300 {
3301 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
3302 int i, ret;
3303
3304 for (i = 0; i < ARRAY_SIZE(wm8994->fll); i++) {
3305 memcpy(&wm8994->fll_suspend[i], &wm8994->fll[i],
3306 sizeof(struct wm8994_fll_config));
3307 ret = _wm8994_set_fll(component, i + 1, 0, 0, 0);
3308 if (ret < 0)
3309 dev_warn(component->dev, "Failed to stop FLL%d: %d\n",
3310 i + 1, ret);
3311 }
3312
3313 snd_soc_component_force_bias_level(component, SND_SOC_BIAS_OFF);
3314
3315 return 0;
3316 }
3317
wm8994_component_resume(struct snd_soc_component * component)3318 static int wm8994_component_resume(struct snd_soc_component *component)
3319 {
3320 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
3321 int i, ret;
3322
3323 for (i = 0; i < ARRAY_SIZE(wm8994->fll); i++) {
3324 if (!wm8994->fll_suspend[i].out)
3325 continue;
3326
3327 ret = _wm8994_set_fll(component, i + 1,
3328 wm8994->fll_suspend[i].src,
3329 wm8994->fll_suspend[i].in,
3330 wm8994->fll_suspend[i].out);
3331 if (ret < 0)
3332 dev_warn(component->dev, "Failed to restore FLL%d: %d\n",
3333 i + 1, ret);
3334 }
3335
3336 return 0;
3337 }
3338 #else
3339 #define wm8994_component_suspend NULL
3340 #define wm8994_component_resume NULL
3341 #endif
3342
wm8994_handle_retune_mobile_pdata(struct wm8994_priv * wm8994)3343 static void wm8994_handle_retune_mobile_pdata(struct wm8994_priv *wm8994)
3344 {
3345 struct snd_soc_component *component = wm8994->hubs.component;
3346 struct wm8994 *control = wm8994->wm8994;
3347 struct wm8994_pdata *pdata = &control->pdata;
3348 struct snd_kcontrol_new controls[] = {
3349 SOC_ENUM_EXT("AIF1.1 EQ Mode",
3350 wm8994->retune_mobile_enum,
3351 wm8994_get_retune_mobile_enum,
3352 wm8994_put_retune_mobile_enum),
3353 SOC_ENUM_EXT("AIF1.2 EQ Mode",
3354 wm8994->retune_mobile_enum,
3355 wm8994_get_retune_mobile_enum,
3356 wm8994_put_retune_mobile_enum),
3357 SOC_ENUM_EXT("AIF2 EQ Mode",
3358 wm8994->retune_mobile_enum,
3359 wm8994_get_retune_mobile_enum,
3360 wm8994_put_retune_mobile_enum),
3361 };
3362 int ret, i, j;
3363 const char **t;
3364
3365 /* We need an array of texts for the enum API but the number
3366 * of texts is likely to be less than the number of
3367 * configurations due to the sample rate dependency of the
3368 * configurations. */
3369 wm8994->num_retune_mobile_texts = 0;
3370 wm8994->retune_mobile_texts = NULL;
3371 for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) {
3372 for (j = 0; j < wm8994->num_retune_mobile_texts; j++) {
3373 if (strcmp(pdata->retune_mobile_cfgs[i].name,
3374 wm8994->retune_mobile_texts[j]) == 0)
3375 break;
3376 }
3377
3378 if (j != wm8994->num_retune_mobile_texts)
3379 continue;
3380
3381 /* Expand the array... */
3382 t = krealloc(wm8994->retune_mobile_texts,
3383 sizeof(char *) *
3384 (wm8994->num_retune_mobile_texts + 1),
3385 GFP_KERNEL);
3386 if (t == NULL)
3387 continue;
3388
3389 /* ...store the new entry... */
3390 t[wm8994->num_retune_mobile_texts] =
3391 pdata->retune_mobile_cfgs[i].name;
3392
3393 /* ...and remember the new version. */
3394 wm8994->num_retune_mobile_texts++;
3395 wm8994->retune_mobile_texts = t;
3396 }
3397
3398 dev_dbg(component->dev, "Allocated %d unique ReTune Mobile names\n",
3399 wm8994->num_retune_mobile_texts);
3400
3401 wm8994->retune_mobile_enum.items = wm8994->num_retune_mobile_texts;
3402 wm8994->retune_mobile_enum.texts = wm8994->retune_mobile_texts;
3403
3404 ret = snd_soc_add_component_controls(wm8994->hubs.component, controls,
3405 ARRAY_SIZE(controls));
3406 if (ret != 0)
3407 dev_err(wm8994->hubs.component->dev,
3408 "Failed to add ReTune Mobile controls: %d\n", ret);
3409 }
3410
wm8994_handle_pdata(struct wm8994_priv * wm8994)3411 static void wm8994_handle_pdata(struct wm8994_priv *wm8994)
3412 {
3413 struct snd_soc_component *component = wm8994->hubs.component;
3414 struct wm8994 *control = wm8994->wm8994;
3415 struct wm8994_pdata *pdata = &control->pdata;
3416 int ret, i;
3417
3418 if (!pdata)
3419 return;
3420
3421 wm_hubs_handle_analogue_pdata(component, pdata->lineout1_diff,
3422 pdata->lineout2_diff,
3423 pdata->lineout1fb,
3424 pdata->lineout2fb,
3425 pdata->jd_scthr,
3426 pdata->jd_thr,
3427 pdata->micb1_delay,
3428 pdata->micb2_delay,
3429 pdata->micbias1_lvl,
3430 pdata->micbias2_lvl);
3431
3432 dev_dbg(component->dev, "%d DRC configurations\n", pdata->num_drc_cfgs);
3433
3434 if (pdata->num_drc_cfgs) {
3435 struct snd_kcontrol_new controls[] = {
3436 SOC_ENUM_EXT("AIF1DRC1 Mode", wm8994->drc_enum,
3437 wm8994_get_drc_enum, wm8994_put_drc_enum),
3438 SOC_ENUM_EXT("AIF1DRC2 Mode", wm8994->drc_enum,
3439 wm8994_get_drc_enum, wm8994_put_drc_enum),
3440 SOC_ENUM_EXT("AIF2DRC Mode", wm8994->drc_enum,
3441 wm8994_get_drc_enum, wm8994_put_drc_enum),
3442 };
3443
3444 /* We need an array of texts for the enum API */
3445 wm8994->drc_texts = devm_kcalloc(wm8994->hubs.component->dev,
3446 pdata->num_drc_cfgs, sizeof(char *), GFP_KERNEL);
3447 if (!wm8994->drc_texts)
3448 return;
3449
3450 for (i = 0; i < pdata->num_drc_cfgs; i++)
3451 wm8994->drc_texts[i] = pdata->drc_cfgs[i].name;
3452
3453 wm8994->drc_enum.items = pdata->num_drc_cfgs;
3454 wm8994->drc_enum.texts = wm8994->drc_texts;
3455
3456 ret = snd_soc_add_component_controls(wm8994->hubs.component, controls,
3457 ARRAY_SIZE(controls));
3458 for (i = 0; i < WM8994_NUM_DRC; i++)
3459 wm8994_set_drc(component, i);
3460 } else {
3461 ret = snd_soc_add_component_controls(wm8994->hubs.component,
3462 wm8994_drc_controls,
3463 ARRAY_SIZE(wm8994_drc_controls));
3464 }
3465
3466 if (ret != 0)
3467 dev_err(wm8994->hubs.component->dev,
3468 "Failed to add DRC mode controls: %d\n", ret);
3469
3470
3471 dev_dbg(component->dev, "%d ReTune Mobile configurations\n",
3472 pdata->num_retune_mobile_cfgs);
3473
3474 if (pdata->num_retune_mobile_cfgs)
3475 wm8994_handle_retune_mobile_pdata(wm8994);
3476 else
3477 snd_soc_add_component_controls(wm8994->hubs.component, wm8994_eq_controls,
3478 ARRAY_SIZE(wm8994_eq_controls));
3479
3480 for (i = 0; i < ARRAY_SIZE(pdata->micbias); i++) {
3481 if (pdata->micbias[i]) {
3482 snd_soc_component_write(component, WM8958_MICBIAS1 + i,
3483 pdata->micbias[i] & 0xffff);
3484 }
3485 }
3486 }
3487
3488 /**
3489 * wm8994_mic_detect - Enable microphone detection via the WM8994 IRQ
3490 *
3491 * @component: WM8994 component
3492 * @jack: jack to report detection events on
3493 * @micbias: microphone bias to detect on
3494 *
3495 * Enable microphone detection via IRQ on the WM8994. If GPIOs are
3496 * being used to bring out signals to the processor then only platform
3497 * data configuration is needed for WM8994 and processor GPIOs should
3498 * be configured using snd_soc_jack_add_gpios() instead.
3499 *
3500 * Configuration of detection levels is available via the micbias1_lvl
3501 * and micbias2_lvl platform data members.
3502 */
wm8994_mic_detect(struct snd_soc_component * component,struct snd_soc_jack * jack,int micbias)3503 int wm8994_mic_detect(struct snd_soc_component *component, struct snd_soc_jack *jack,
3504 int micbias)
3505 {
3506 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
3507 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
3508 struct wm8994_micdet *micdet;
3509 struct wm8994 *control = wm8994->wm8994;
3510 int reg, ret;
3511
3512 if (control->type != WM8994) {
3513 dev_warn(component->dev, "Not a WM8994\n");
3514 return -EINVAL;
3515 }
3516
3517 pm_runtime_get_sync(component->dev);
3518
3519 switch (micbias) {
3520 case 1:
3521 micdet = &wm8994->micdet[0];
3522 if (jack)
3523 ret = snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1");
3524 else
3525 ret = snd_soc_dapm_disable_pin(dapm, "MICBIAS1");
3526 break;
3527 case 2:
3528 micdet = &wm8994->micdet[1];
3529 if (jack)
3530 ret = snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1");
3531 else
3532 ret = snd_soc_dapm_disable_pin(dapm, "MICBIAS1");
3533 break;
3534 default:
3535 dev_warn(component->dev, "Invalid MICBIAS %d\n", micbias);
3536 return -EINVAL;
3537 }
3538
3539 if (ret != 0)
3540 dev_warn(component->dev, "Failed to configure MICBIAS%d: %d\n",
3541 micbias, ret);
3542
3543 dev_dbg(component->dev, "Configuring microphone detection on %d %p\n",
3544 micbias, jack);
3545
3546 /* Store the configuration */
3547 micdet->jack = jack;
3548 micdet->detecting = true;
3549
3550 /* If either of the jacks is set up then enable detection */
3551 if (wm8994->micdet[0].jack || wm8994->micdet[1].jack)
3552 reg = WM8994_MICD_ENA;
3553 else
3554 reg = 0;
3555
3556 snd_soc_component_update_bits(component, WM8994_MICBIAS, WM8994_MICD_ENA, reg);
3557
3558 /* enable MICDET and MICSHRT deboune */
3559 snd_soc_component_update_bits(component, WM8994_IRQ_DEBOUNCE,
3560 WM8994_MIC1_DET_DB_MASK | WM8994_MIC1_SHRT_DB_MASK |
3561 WM8994_MIC2_DET_DB_MASK | WM8994_MIC2_SHRT_DB_MASK,
3562 WM8994_MIC1_DET_DB | WM8994_MIC1_SHRT_DB);
3563
3564 snd_soc_dapm_sync(dapm);
3565
3566 pm_runtime_put(component->dev);
3567
3568 return 0;
3569 }
3570 EXPORT_SYMBOL_GPL(wm8994_mic_detect);
3571
wm8994_mic_work(struct work_struct * work)3572 static void wm8994_mic_work(struct work_struct *work)
3573 {
3574 struct wm8994_priv *priv = container_of(work,
3575 struct wm8994_priv,
3576 mic_work.work);
3577 struct regmap *regmap = priv->wm8994->regmap;
3578 struct device *dev = priv->wm8994->dev;
3579 unsigned int reg;
3580 int ret;
3581 int report;
3582
3583 pm_runtime_get_sync(dev);
3584
3585 ret = regmap_read(regmap, WM8994_INTERRUPT_RAW_STATUS_2, ®);
3586 if (ret < 0) {
3587 dev_err(dev, "Failed to read microphone status: %d\n",
3588 ret);
3589 pm_runtime_put(dev);
3590 return;
3591 }
3592
3593 dev_dbg(dev, "Microphone status: %x\n", reg);
3594
3595 report = 0;
3596 if (reg & WM8994_MIC1_DET_STS) {
3597 if (priv->micdet[0].detecting)
3598 report = SND_JACK_HEADSET;
3599 }
3600 if (reg & WM8994_MIC1_SHRT_STS) {
3601 if (priv->micdet[0].detecting)
3602 report = SND_JACK_HEADPHONE;
3603 else
3604 report |= SND_JACK_BTN_0;
3605 }
3606 if (report)
3607 priv->micdet[0].detecting = false;
3608 else
3609 priv->micdet[0].detecting = true;
3610
3611 snd_soc_jack_report(priv->micdet[0].jack, report,
3612 SND_JACK_HEADSET | SND_JACK_BTN_0);
3613
3614 report = 0;
3615 if (reg & WM8994_MIC2_DET_STS) {
3616 if (priv->micdet[1].detecting)
3617 report = SND_JACK_HEADSET;
3618 }
3619 if (reg & WM8994_MIC2_SHRT_STS) {
3620 if (priv->micdet[1].detecting)
3621 report = SND_JACK_HEADPHONE;
3622 else
3623 report |= SND_JACK_BTN_0;
3624 }
3625 if (report)
3626 priv->micdet[1].detecting = false;
3627 else
3628 priv->micdet[1].detecting = true;
3629
3630 snd_soc_jack_report(priv->micdet[1].jack, report,
3631 SND_JACK_HEADSET | SND_JACK_BTN_0);
3632
3633 pm_runtime_put(dev);
3634 }
3635
wm8994_mic_irq(int irq,void * data)3636 static irqreturn_t wm8994_mic_irq(int irq, void *data)
3637 {
3638 struct wm8994_priv *priv = data;
3639 struct snd_soc_component *component = priv->hubs.component;
3640
3641 #ifndef CONFIG_SND_SOC_WM8994_MODULE
3642 trace_snd_soc_jack_irq(dev_name(component->dev));
3643 #endif
3644
3645 pm_wakeup_event(component->dev, 300);
3646
3647 queue_delayed_work(system_power_efficient_wq,
3648 &priv->mic_work, msecs_to_jiffies(250));
3649
3650 return IRQ_HANDLED;
3651 }
3652
3653 /* Should be called with accdet_lock held */
wm1811_micd_stop(struct snd_soc_component * component)3654 static void wm1811_micd_stop(struct snd_soc_component *component)
3655 {
3656 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
3657 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
3658
3659 if (!wm8994->jackdet)
3660 return;
3661
3662 snd_soc_component_update_bits(component, WM8958_MIC_DETECT_1, WM8958_MICD_ENA, 0);
3663
3664 wm1811_jackdet_set_mode(component, WM1811_JACKDET_MODE_JACK);
3665
3666 if (wm8994->wm8994->pdata.jd_ext_cap)
3667 snd_soc_dapm_disable_pin(dapm, "MICBIAS2");
3668 }
3669
wm8958_button_det(struct snd_soc_component * component,u16 status)3670 static void wm8958_button_det(struct snd_soc_component *component, u16 status)
3671 {
3672 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
3673 int report;
3674
3675 report = 0;
3676 if (status & 0x4)
3677 report |= SND_JACK_BTN_0;
3678
3679 if (status & 0x8)
3680 report |= SND_JACK_BTN_1;
3681
3682 if (status & 0x10)
3683 report |= SND_JACK_BTN_2;
3684
3685 if (status & 0x20)
3686 report |= SND_JACK_BTN_3;
3687
3688 if (status & 0x40)
3689 report |= SND_JACK_BTN_4;
3690
3691 if (status & 0x80)
3692 report |= SND_JACK_BTN_5;
3693
3694 snd_soc_jack_report(wm8994->micdet[0].jack, report,
3695 wm8994->btn_mask);
3696 }
3697
wm8958_open_circuit_work(struct work_struct * work)3698 static void wm8958_open_circuit_work(struct work_struct *work)
3699 {
3700 struct wm8994_priv *wm8994 = container_of(work,
3701 struct wm8994_priv,
3702 open_circuit_work.work);
3703 struct device *dev = wm8994->wm8994->dev;
3704
3705 mutex_lock(&wm8994->accdet_lock);
3706
3707 wm1811_micd_stop(wm8994->hubs.component);
3708
3709 dev_dbg(dev, "Reporting open circuit\n");
3710
3711 wm8994->jack_mic = false;
3712 wm8994->mic_detecting = true;
3713
3714 wm8958_micd_set_rate(wm8994->hubs.component);
3715
3716 snd_soc_jack_report(wm8994->micdet[0].jack, 0,
3717 wm8994->btn_mask |
3718 SND_JACK_HEADSET);
3719
3720 mutex_unlock(&wm8994->accdet_lock);
3721 }
3722
wm8958_mic_id(void * data,u16 status)3723 static void wm8958_mic_id(void *data, u16 status)
3724 {
3725 struct snd_soc_component *component = data;
3726 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
3727
3728 /* Either nothing present or just starting detection */
3729 if (!(status & WM8958_MICD_STS)) {
3730 /* If nothing present then clear our statuses */
3731 dev_dbg(component->dev, "Detected open circuit\n");
3732
3733 queue_delayed_work(system_power_efficient_wq,
3734 &wm8994->open_circuit_work,
3735 msecs_to_jiffies(2500));
3736 return;
3737 }
3738
3739 /* If the measurement is showing a high impedence we've got a
3740 * microphone.
3741 */
3742 if (status & 0x600) {
3743 dev_dbg(component->dev, "Detected microphone\n");
3744
3745 wm8994->mic_detecting = false;
3746 wm8994->jack_mic = true;
3747
3748 wm8958_micd_set_rate(component);
3749
3750 snd_soc_jack_report(wm8994->micdet[0].jack, SND_JACK_HEADSET,
3751 SND_JACK_HEADSET);
3752 }
3753
3754
3755 if (status & 0xfc) {
3756 dev_dbg(component->dev, "Detected headphone\n");
3757 wm8994->mic_detecting = false;
3758
3759 wm8958_micd_set_rate(component);
3760
3761 /* If we have jackdet that will detect removal */
3762 wm1811_micd_stop(component);
3763
3764 snd_soc_jack_report(wm8994->micdet[0].jack, SND_JACK_HEADPHONE,
3765 SND_JACK_HEADSET);
3766 }
3767 }
3768
3769 /* Deferred mic detection to allow for extra settling time */
wm1811_mic_work(struct work_struct * work)3770 static void wm1811_mic_work(struct work_struct *work)
3771 {
3772 struct wm8994_priv *wm8994 = container_of(work, struct wm8994_priv,
3773 mic_work.work);
3774 struct wm8994 *control = wm8994->wm8994;
3775 struct snd_soc_component *component = wm8994->hubs.component;
3776 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
3777
3778 pm_runtime_get_sync(component->dev);
3779
3780 /* If required for an external cap force MICBIAS on */
3781 if (control->pdata.jd_ext_cap) {
3782 snd_soc_dapm_force_enable_pin(dapm, "MICBIAS2");
3783 snd_soc_dapm_sync(dapm);
3784 }
3785
3786 mutex_lock(&wm8994->accdet_lock);
3787
3788 dev_dbg(component->dev, "Starting mic detection\n");
3789
3790 /* Use a user-supplied callback if we have one */
3791 if (wm8994->micd_cb) {
3792 wm8994->micd_cb(wm8994->micd_cb_data);
3793 } else {
3794 /*
3795 * Start off measument of microphone impedence to find out
3796 * what's actually there.
3797 */
3798 wm8994->mic_detecting = true;
3799 wm1811_jackdet_set_mode(component, WM1811_JACKDET_MODE_MIC);
3800
3801 snd_soc_component_update_bits(component, WM8958_MIC_DETECT_1,
3802 WM8958_MICD_ENA, WM8958_MICD_ENA);
3803 }
3804
3805 mutex_unlock(&wm8994->accdet_lock);
3806
3807 pm_runtime_put(component->dev);
3808 }
3809
wm1811_jackdet_irq(int irq,void * data)3810 static irqreturn_t wm1811_jackdet_irq(int irq, void *data)
3811 {
3812 struct wm8994_priv *wm8994 = data;
3813 struct wm8994 *control = wm8994->wm8994;
3814 struct snd_soc_component *component = wm8994->hubs.component;
3815 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
3816 int reg, delay;
3817 bool present;
3818
3819 pm_runtime_get_sync(component->dev);
3820
3821 cancel_delayed_work_sync(&wm8994->mic_complete_work);
3822
3823 mutex_lock(&wm8994->accdet_lock);
3824
3825 reg = snd_soc_component_read(component, WM1811_JACKDET_CTRL);
3826 if (reg < 0) {
3827 dev_err(component->dev, "Failed to read jack status: %d\n", reg);
3828 mutex_unlock(&wm8994->accdet_lock);
3829 pm_runtime_put(component->dev);
3830 return IRQ_NONE;
3831 }
3832
3833 dev_dbg(component->dev, "JACKDET %x\n", reg);
3834
3835 present = reg & WM1811_JACKDET_LVL;
3836
3837 if (present) {
3838 dev_dbg(component->dev, "Jack detected\n");
3839
3840 wm8958_micd_set_rate(component);
3841
3842 snd_soc_component_update_bits(component, WM8958_MICBIAS2,
3843 WM8958_MICB2_DISCH, 0);
3844
3845 /* Disable debounce while inserted */
3846 snd_soc_component_update_bits(component, WM1811_JACKDET_CTRL,
3847 WM1811_JACKDET_DB, 0);
3848
3849 delay = control->pdata.micdet_delay;
3850 queue_delayed_work(system_power_efficient_wq,
3851 &wm8994->mic_work,
3852 msecs_to_jiffies(delay));
3853 } else {
3854 dev_dbg(component->dev, "Jack not detected\n");
3855
3856 /* Release wm8994->accdet_lock to avoid deadlock:
3857 * cancel_delayed_work_sync() takes wm8994->mic_work internal
3858 * lock and wm1811_mic_work takes wm8994->accdet_lock */
3859 mutex_unlock(&wm8994->accdet_lock);
3860 cancel_delayed_work_sync(&wm8994->mic_work);
3861 mutex_lock(&wm8994->accdet_lock);
3862
3863 snd_soc_component_update_bits(component, WM8958_MICBIAS2,
3864 WM8958_MICB2_DISCH, WM8958_MICB2_DISCH);
3865
3866 /* Enable debounce while removed */
3867 snd_soc_component_update_bits(component, WM1811_JACKDET_CTRL,
3868 WM1811_JACKDET_DB, WM1811_JACKDET_DB);
3869
3870 wm8994->mic_detecting = false;
3871 wm8994->jack_mic = false;
3872 snd_soc_component_update_bits(component, WM8958_MIC_DETECT_1,
3873 WM8958_MICD_ENA, 0);
3874 wm1811_jackdet_set_mode(component, WM1811_JACKDET_MODE_JACK);
3875 }
3876
3877 mutex_unlock(&wm8994->accdet_lock);
3878
3879 /* Turn off MICBIAS if it was on for an external cap */
3880 if (control->pdata.jd_ext_cap && !present)
3881 snd_soc_dapm_disable_pin(dapm, "MICBIAS2");
3882
3883 if (present)
3884 snd_soc_jack_report(wm8994->micdet[0].jack,
3885 SND_JACK_MECHANICAL, SND_JACK_MECHANICAL);
3886 else
3887 snd_soc_jack_report(wm8994->micdet[0].jack, 0,
3888 SND_JACK_MECHANICAL | SND_JACK_HEADSET |
3889 wm8994->btn_mask);
3890
3891 /* Since we only report deltas force an update, ensures we
3892 * avoid bootstrapping issues with the core. */
3893 snd_soc_jack_report(wm8994->micdet[0].jack, 0, 0);
3894
3895 pm_runtime_put(component->dev);
3896 return IRQ_HANDLED;
3897 }
3898
wm1811_jackdet_bootstrap(struct work_struct * work)3899 static void wm1811_jackdet_bootstrap(struct work_struct *work)
3900 {
3901 struct wm8994_priv *wm8994 = container_of(work,
3902 struct wm8994_priv,
3903 jackdet_bootstrap.work);
3904 wm1811_jackdet_irq(0, wm8994);
3905 }
3906
3907 /**
3908 * wm8958_mic_detect - Enable microphone detection via the WM8958 IRQ
3909 *
3910 * @component: WM8958 component
3911 * @jack: jack to report detection events on
3912 * @det_cb: detection callback
3913 * @det_cb_data: data for detection callback
3914 * @id_cb: mic id callback
3915 * @id_cb_data: data for mic id callback
3916 *
3917 * Enable microphone detection functionality for the WM8958. By
3918 * default simple detection which supports the detection of up to 6
3919 * buttons plus video and microphone functionality is supported.
3920 *
3921 * The WM8958 has an advanced jack detection facility which is able to
3922 * support complex accessory detection, especially when used in
3923 * conjunction with external circuitry. In order to provide maximum
3924 * flexiblity a callback is provided which allows a completely custom
3925 * detection algorithm.
3926 */
wm8958_mic_detect(struct snd_soc_component * component,struct snd_soc_jack * jack,wm1811_micdet_cb det_cb,void * det_cb_data,wm1811_mic_id_cb id_cb,void * id_cb_data)3927 int wm8958_mic_detect(struct snd_soc_component *component, struct snd_soc_jack *jack,
3928 wm1811_micdet_cb det_cb, void *det_cb_data,
3929 wm1811_mic_id_cb id_cb, void *id_cb_data)
3930 {
3931 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
3932 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
3933 struct wm8994 *control = wm8994->wm8994;
3934 u16 micd_lvl_sel;
3935
3936 switch (control->type) {
3937 case WM1811:
3938 case WM8958:
3939 break;
3940 default:
3941 return -EINVAL;
3942 }
3943
3944 pm_runtime_get_sync(component->dev);
3945
3946 if (jack) {
3947 snd_soc_dapm_force_enable_pin(dapm, "CLK_SYS");
3948 snd_soc_dapm_sync(dapm);
3949
3950 wm8994->micdet[0].jack = jack;
3951
3952 if (det_cb) {
3953 wm8994->micd_cb = det_cb;
3954 wm8994->micd_cb_data = det_cb_data;
3955 } else {
3956 wm8994->mic_detecting = true;
3957 wm8994->jack_mic = false;
3958 }
3959
3960 if (id_cb) {
3961 wm8994->mic_id_cb = id_cb;
3962 wm8994->mic_id_cb_data = id_cb_data;
3963 } else {
3964 wm8994->mic_id_cb = wm8958_mic_id;
3965 wm8994->mic_id_cb_data = component;
3966 }
3967
3968 wm8958_micd_set_rate(component);
3969
3970 /* Detect microphones and short circuits by default */
3971 if (control->pdata.micd_lvl_sel)
3972 micd_lvl_sel = control->pdata.micd_lvl_sel;
3973 else
3974 micd_lvl_sel = 0x41;
3975
3976 wm8994->btn_mask = SND_JACK_BTN_0 | SND_JACK_BTN_1 |
3977 SND_JACK_BTN_2 | SND_JACK_BTN_3 |
3978 SND_JACK_BTN_4 | SND_JACK_BTN_5;
3979
3980 snd_soc_component_update_bits(component, WM8958_MIC_DETECT_2,
3981 WM8958_MICD_LVL_SEL_MASK, micd_lvl_sel);
3982
3983 WARN_ON(snd_soc_component_get_bias_level(component) > SND_SOC_BIAS_STANDBY);
3984
3985 /*
3986 * If we can use jack detection start off with that,
3987 * otherwise jump straight to microphone detection.
3988 */
3989 if (wm8994->jackdet) {
3990 /* Disable debounce for the initial detect */
3991 snd_soc_component_update_bits(component, WM1811_JACKDET_CTRL,
3992 WM1811_JACKDET_DB, 0);
3993
3994 snd_soc_component_update_bits(component, WM8958_MICBIAS2,
3995 WM8958_MICB2_DISCH,
3996 WM8958_MICB2_DISCH);
3997 snd_soc_component_update_bits(component, WM8994_LDO_1,
3998 WM8994_LDO1_DISCH, 0);
3999 wm1811_jackdet_set_mode(component,
4000 WM1811_JACKDET_MODE_JACK);
4001 } else {
4002 snd_soc_component_update_bits(component, WM8958_MIC_DETECT_1,
4003 WM8958_MICD_ENA, WM8958_MICD_ENA);
4004 }
4005
4006 } else {
4007 snd_soc_component_update_bits(component, WM8958_MIC_DETECT_1,
4008 WM8958_MICD_ENA, 0);
4009 wm1811_jackdet_set_mode(component, WM1811_JACKDET_MODE_NONE);
4010 snd_soc_dapm_disable_pin(dapm, "CLK_SYS");
4011 snd_soc_dapm_sync(dapm);
4012 }
4013
4014 pm_runtime_put(component->dev);
4015
4016 return 0;
4017 }
4018 EXPORT_SYMBOL_GPL(wm8958_mic_detect);
4019
wm8958_mic_work(struct work_struct * work)4020 static void wm8958_mic_work(struct work_struct *work)
4021 {
4022 struct wm8994_priv *wm8994 = container_of(work,
4023 struct wm8994_priv,
4024 mic_complete_work.work);
4025 struct snd_soc_component *component = wm8994->hubs.component;
4026
4027 pm_runtime_get_sync(component->dev);
4028
4029 mutex_lock(&wm8994->accdet_lock);
4030
4031 wm8994->mic_id_cb(wm8994->mic_id_cb_data, wm8994->mic_status);
4032
4033 mutex_unlock(&wm8994->accdet_lock);
4034
4035 pm_runtime_put(component->dev);
4036 }
4037
wm8958_mic_irq(int irq,void * data)4038 static irqreturn_t wm8958_mic_irq(int irq, void *data)
4039 {
4040 struct wm8994_priv *wm8994 = data;
4041 struct snd_soc_component *component = wm8994->hubs.component;
4042 int reg, count, ret, id_delay;
4043
4044 /*
4045 * Jack detection may have detected a removal simulataneously
4046 * with an update of the MICDET status; if so it will have
4047 * stopped detection and we can ignore this interrupt.
4048 */
4049 if (!(snd_soc_component_read(component, WM8958_MIC_DETECT_1) & WM8958_MICD_ENA))
4050 return IRQ_HANDLED;
4051
4052 cancel_delayed_work_sync(&wm8994->mic_complete_work);
4053 cancel_delayed_work_sync(&wm8994->open_circuit_work);
4054
4055 pm_runtime_get_sync(component->dev);
4056
4057 /* We may occasionally read a detection without an impedence
4058 * range being provided - if that happens loop again.
4059 */
4060 count = 10;
4061 do {
4062 reg = snd_soc_component_read(component, WM8958_MIC_DETECT_3);
4063 if (reg < 0) {
4064 dev_err(component->dev,
4065 "Failed to read mic detect status: %d\n",
4066 reg);
4067 pm_runtime_put(component->dev);
4068 return IRQ_NONE;
4069 }
4070
4071 if (!(reg & WM8958_MICD_VALID)) {
4072 dev_dbg(component->dev, "Mic detect data not valid\n");
4073 goto out;
4074 }
4075
4076 if (!(reg & WM8958_MICD_STS) || (reg & WM8958_MICD_LVL_MASK))
4077 break;
4078
4079 msleep(1);
4080 } while (count--);
4081
4082 if (count == 0)
4083 dev_warn(component->dev, "No impedance range reported for jack\n");
4084
4085 #ifndef CONFIG_SND_SOC_WM8994_MODULE
4086 trace_snd_soc_jack_irq(dev_name(component->dev));
4087 #endif
4088
4089 /* Avoid a transient report when the accessory is being removed */
4090 if (wm8994->jackdet) {
4091 ret = snd_soc_component_read(component, WM1811_JACKDET_CTRL);
4092 if (ret < 0) {
4093 dev_err(component->dev, "Failed to read jack status: %d\n",
4094 ret);
4095 } else if (!(ret & WM1811_JACKDET_LVL)) {
4096 dev_dbg(component->dev, "Ignoring removed jack\n");
4097 goto out;
4098 }
4099 } else if (!(reg & WM8958_MICD_STS)) {
4100 snd_soc_jack_report(wm8994->micdet[0].jack, 0,
4101 SND_JACK_MECHANICAL | SND_JACK_HEADSET |
4102 wm8994->btn_mask);
4103 wm8994->mic_detecting = true;
4104 goto out;
4105 }
4106
4107 wm8994->mic_status = reg;
4108 id_delay = wm8994->wm8994->pdata.mic_id_delay;
4109
4110 if (wm8994->mic_detecting)
4111 queue_delayed_work(system_power_efficient_wq,
4112 &wm8994->mic_complete_work,
4113 msecs_to_jiffies(id_delay));
4114 else
4115 wm8958_button_det(component, reg);
4116
4117 out:
4118 pm_runtime_put(component->dev);
4119 return IRQ_HANDLED;
4120 }
4121
wm8994_fifo_error(int irq,void * data)4122 static irqreturn_t wm8994_fifo_error(int irq, void *data)
4123 {
4124 struct snd_soc_component *component = data;
4125
4126 dev_err(component->dev, "FIFO error\n");
4127
4128 return IRQ_HANDLED;
4129 }
4130
wm8994_temp_warn(int irq,void * data)4131 static irqreturn_t wm8994_temp_warn(int irq, void *data)
4132 {
4133 struct snd_soc_component *component = data;
4134
4135 dev_err(component->dev, "Thermal warning\n");
4136
4137 return IRQ_HANDLED;
4138 }
4139
wm8994_temp_shut(int irq,void * data)4140 static irqreturn_t wm8994_temp_shut(int irq, void *data)
4141 {
4142 struct snd_soc_component *component = data;
4143
4144 dev_crit(component->dev, "Thermal shutdown\n");
4145
4146 return IRQ_HANDLED;
4147 }
4148
wm8994_component_probe(struct snd_soc_component * component)4149 static int wm8994_component_probe(struct snd_soc_component *component)
4150 {
4151 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
4152 struct wm8994 *control = dev_get_drvdata(component->dev->parent);
4153 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
4154 unsigned int reg;
4155 int ret, i;
4156
4157 snd_soc_component_init_regmap(component, control->regmap);
4158
4159 wm8994->hubs.component = component;
4160
4161 mutex_init(&wm8994->accdet_lock);
4162 INIT_DELAYED_WORK(&wm8994->jackdet_bootstrap,
4163 wm1811_jackdet_bootstrap);
4164 INIT_DELAYED_WORK(&wm8994->open_circuit_work,
4165 wm8958_open_circuit_work);
4166
4167 switch (control->type) {
4168 case WM8994:
4169 INIT_DELAYED_WORK(&wm8994->mic_work, wm8994_mic_work);
4170 break;
4171 case WM1811:
4172 INIT_DELAYED_WORK(&wm8994->mic_work, wm1811_mic_work);
4173 break;
4174 default:
4175 break;
4176 }
4177
4178 INIT_DELAYED_WORK(&wm8994->mic_complete_work, wm8958_mic_work);
4179
4180 for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
4181 init_completion(&wm8994->fll_locked[i]);
4182
4183 wm8994->micdet_irq = control->pdata.micdet_irq;
4184
4185 /* By default use idle_bias_off, will override for WM8994 */
4186 dapm->idle_bias_off = 1;
4187
4188 /* Set revision-specific configuration */
4189 switch (control->type) {
4190 case WM8994:
4191 /* Single ended line outputs should have VMID on. */
4192 if (!control->pdata.lineout1_diff ||
4193 !control->pdata.lineout2_diff)
4194 dapm->idle_bias_off = 0;
4195
4196 switch (control->revision) {
4197 case 2:
4198 case 3:
4199 wm8994->hubs.dcs_codes_l = -5;
4200 wm8994->hubs.dcs_codes_r = -5;
4201 wm8994->hubs.hp_startup_mode = 1;
4202 wm8994->hubs.dcs_readback_mode = 1;
4203 wm8994->hubs.series_startup = 1;
4204 break;
4205 default:
4206 wm8994->hubs.dcs_readback_mode = 2;
4207 break;
4208 }
4209 wm8994->hubs.micd_scthr = true;
4210 break;
4211
4212 case WM8958:
4213 wm8994->hubs.dcs_readback_mode = 1;
4214 wm8994->hubs.hp_startup_mode = 1;
4215 wm8994->hubs.micd_scthr = true;
4216
4217 switch (control->revision) {
4218 case 0:
4219 break;
4220 default:
4221 wm8994->fll_byp = true;
4222 break;
4223 }
4224 break;
4225
4226 case WM1811:
4227 wm8994->hubs.dcs_readback_mode = 2;
4228 wm8994->hubs.no_series_update = 1;
4229 wm8994->hubs.hp_startup_mode = 1;
4230 wm8994->hubs.no_cache_dac_hp_direct = true;
4231 wm8994->fll_byp = true;
4232
4233 wm8994->hubs.dcs_codes_l = -9;
4234 wm8994->hubs.dcs_codes_r = -7;
4235
4236 snd_soc_component_update_bits(component, WM8994_ANALOGUE_HP_1,
4237 WM1811_HPOUT1_ATTN, WM1811_HPOUT1_ATTN);
4238 break;
4239
4240 default:
4241 break;
4242 }
4243
4244 wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_FIFOS_ERR,
4245 wm8994_fifo_error, "FIFO error", component);
4246 wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_TEMP_WARN,
4247 wm8994_temp_warn, "Thermal warning", component);
4248 wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_TEMP_SHUT,
4249 wm8994_temp_shut, "Thermal shutdown", component);
4250
4251 switch (control->type) {
4252 case WM8994:
4253 if (wm8994->micdet_irq)
4254 ret = request_threaded_irq(wm8994->micdet_irq, NULL,
4255 wm8994_mic_irq,
4256 IRQF_TRIGGER_RISING |
4257 IRQF_ONESHOT,
4258 "Mic1 detect",
4259 wm8994);
4260 else
4261 ret = wm8994_request_irq(wm8994->wm8994,
4262 WM8994_IRQ_MIC1_DET,
4263 wm8994_mic_irq, "Mic 1 detect",
4264 wm8994);
4265
4266 if (ret != 0)
4267 dev_warn(component->dev,
4268 "Failed to request Mic1 detect IRQ: %d\n",
4269 ret);
4270
4271
4272 ret = wm8994_request_irq(wm8994->wm8994,
4273 WM8994_IRQ_MIC1_SHRT,
4274 wm8994_mic_irq, "Mic 1 short",
4275 wm8994);
4276 if (ret != 0)
4277 dev_warn(component->dev,
4278 "Failed to request Mic1 short IRQ: %d\n",
4279 ret);
4280
4281 ret = wm8994_request_irq(wm8994->wm8994,
4282 WM8994_IRQ_MIC2_DET,
4283 wm8994_mic_irq, "Mic 2 detect",
4284 wm8994);
4285 if (ret != 0)
4286 dev_warn(component->dev,
4287 "Failed to request Mic2 detect IRQ: %d\n",
4288 ret);
4289
4290 ret = wm8994_request_irq(wm8994->wm8994,
4291 WM8994_IRQ_MIC2_SHRT,
4292 wm8994_mic_irq, "Mic 2 short",
4293 wm8994);
4294 if (ret != 0)
4295 dev_warn(component->dev,
4296 "Failed to request Mic2 short IRQ: %d\n",
4297 ret);
4298 break;
4299
4300 case WM8958:
4301 case WM1811:
4302 if (wm8994->micdet_irq) {
4303 ret = request_threaded_irq(wm8994->micdet_irq, NULL,
4304 wm8958_mic_irq,
4305 IRQF_TRIGGER_RISING |
4306 IRQF_ONESHOT,
4307 "Mic detect",
4308 wm8994);
4309 if (ret != 0)
4310 dev_warn(component->dev,
4311 "Failed to request Mic detect IRQ: %d\n",
4312 ret);
4313 } else {
4314 wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_MIC1_DET,
4315 wm8958_mic_irq, "Mic detect",
4316 wm8994);
4317 }
4318 }
4319
4320 switch (control->type) {
4321 case WM1811:
4322 if (control->cust_id > 1 || control->revision > 1) {
4323 ret = wm8994_request_irq(wm8994->wm8994,
4324 WM8994_IRQ_GPIO(6),
4325 wm1811_jackdet_irq, "JACKDET",
4326 wm8994);
4327 if (ret == 0)
4328 wm8994->jackdet = true;
4329 }
4330 break;
4331 default:
4332 break;
4333 }
4334
4335 wm8994->fll_locked_irq = true;
4336 for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++) {
4337 ret = wm8994_request_irq(wm8994->wm8994,
4338 WM8994_IRQ_FLL1_LOCK + i,
4339 wm8994_fll_locked_irq, "FLL lock",
4340 &wm8994->fll_locked[i]);
4341 if (ret != 0)
4342 wm8994->fll_locked_irq = false;
4343 }
4344
4345 /* Make sure we can read from the GPIOs if they're inputs */
4346 pm_runtime_get_sync(component->dev);
4347
4348 /* Remember if AIFnLRCLK is configured as a GPIO. This should be
4349 * configured on init - if a system wants to do this dynamically
4350 * at runtime we can deal with that then.
4351 */
4352 ret = regmap_read(control->regmap, WM8994_GPIO_1, ®);
4353 if (ret < 0) {
4354 dev_err(component->dev, "Failed to read GPIO1 state: %d\n", ret);
4355 goto err_irq;
4356 }
4357 if ((reg & WM8994_GPN_FN_MASK) != WM8994_GP_FN_PIN_SPECIFIC) {
4358 wm8994->lrclk_shared[0] = 1;
4359 wm8994_dai[0].symmetric_rate = 1;
4360 } else {
4361 wm8994->lrclk_shared[0] = 0;
4362 }
4363
4364 ret = regmap_read(control->regmap, WM8994_GPIO_6, ®);
4365 if (ret < 0) {
4366 dev_err(component->dev, "Failed to read GPIO6 state: %d\n", ret);
4367 goto err_irq;
4368 }
4369 if ((reg & WM8994_GPN_FN_MASK) != WM8994_GP_FN_PIN_SPECIFIC) {
4370 wm8994->lrclk_shared[1] = 1;
4371 wm8994_dai[1].symmetric_rate = 1;
4372 } else {
4373 wm8994->lrclk_shared[1] = 0;
4374 }
4375
4376 pm_runtime_put(component->dev);
4377
4378 /* Latch volume update bits */
4379 for (i = 0; i < ARRAY_SIZE(wm8994_vu_bits); i++)
4380 snd_soc_component_update_bits(component, wm8994_vu_bits[i].reg,
4381 wm8994_vu_bits[i].mask,
4382 wm8994_vu_bits[i].mask);
4383
4384 if (control->type != WM1811) {
4385 for (i = 0; i < ARRAY_SIZE(wm8994_adc2_dac2_vu_bits); i++)
4386 snd_soc_component_update_bits(component,
4387 wm8994_adc2_dac2_vu_bits[i].reg,
4388 wm8994_adc2_dac2_vu_bits[i].mask,
4389 wm8994_adc2_dac2_vu_bits[i].mask);
4390 }
4391
4392 /* Set the low bit of the 3D stereo depth so TLV matches */
4393 snd_soc_component_update_bits(component, WM8994_AIF1_DAC1_FILTERS_2,
4394 1 << WM8994_AIF1DAC1_3D_GAIN_SHIFT,
4395 1 << WM8994_AIF1DAC1_3D_GAIN_SHIFT);
4396 snd_soc_component_update_bits(component, WM8994_AIF1_DAC2_FILTERS_2,
4397 1 << WM8994_AIF1DAC2_3D_GAIN_SHIFT,
4398 1 << WM8994_AIF1DAC2_3D_GAIN_SHIFT);
4399 snd_soc_component_update_bits(component, WM8994_AIF2_DAC_FILTERS_2,
4400 1 << WM8994_AIF2DAC_3D_GAIN_SHIFT,
4401 1 << WM8994_AIF2DAC_3D_GAIN_SHIFT);
4402
4403 /* Unconditionally enable AIF1 ADC TDM mode on chips which can
4404 * use this; it only affects behaviour on idle TDM clock
4405 * cycles. */
4406 switch (control->type) {
4407 case WM8994:
4408 case WM8958:
4409 snd_soc_component_update_bits(component, WM8994_AIF1_CONTROL_1,
4410 WM8994_AIF1ADC_TDM, WM8994_AIF1ADC_TDM);
4411 break;
4412 default:
4413 break;
4414 }
4415
4416 /* Put MICBIAS into bypass mode by default on newer devices */
4417 switch (control->type) {
4418 case WM8958:
4419 case WM1811:
4420 snd_soc_component_update_bits(component, WM8958_MICBIAS1,
4421 WM8958_MICB1_MODE, WM8958_MICB1_MODE);
4422 snd_soc_component_update_bits(component, WM8958_MICBIAS2,
4423 WM8958_MICB2_MODE, WM8958_MICB2_MODE);
4424 break;
4425 default:
4426 break;
4427 }
4428
4429 wm8994->hubs.check_class_w_digital = wm8994_check_class_w_digital;
4430 wm_hubs_update_class_w(component);
4431
4432 wm8994_handle_pdata(wm8994);
4433
4434 wm_hubs_add_analogue_controls(component);
4435 snd_soc_add_component_controls(component, wm8994_common_snd_controls,
4436 ARRAY_SIZE(wm8994_common_snd_controls));
4437 snd_soc_dapm_new_controls(dapm, wm8994_dapm_widgets,
4438 ARRAY_SIZE(wm8994_dapm_widgets));
4439
4440 switch (control->type) {
4441 case WM8994:
4442 snd_soc_add_component_controls(component, wm8994_snd_controls,
4443 ARRAY_SIZE(wm8994_snd_controls));
4444 snd_soc_dapm_new_controls(dapm, wm8994_specific_dapm_widgets,
4445 ARRAY_SIZE(wm8994_specific_dapm_widgets));
4446 if (control->revision < 4) {
4447 snd_soc_dapm_new_controls(dapm, wm8994_lateclk_revd_widgets,
4448 ARRAY_SIZE(wm8994_lateclk_revd_widgets));
4449 snd_soc_dapm_new_controls(dapm, wm8994_adc_revd_widgets,
4450 ARRAY_SIZE(wm8994_adc_revd_widgets));
4451 snd_soc_dapm_new_controls(dapm, wm8994_dac_revd_widgets,
4452 ARRAY_SIZE(wm8994_dac_revd_widgets));
4453 } else {
4454 snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets,
4455 ARRAY_SIZE(wm8994_lateclk_widgets));
4456 snd_soc_dapm_new_controls(dapm, wm8994_adc_widgets,
4457 ARRAY_SIZE(wm8994_adc_widgets));
4458 snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets,
4459 ARRAY_SIZE(wm8994_dac_widgets));
4460 }
4461 break;
4462 case WM8958:
4463 snd_soc_add_component_controls(component, wm8994_snd_controls,
4464 ARRAY_SIZE(wm8994_snd_controls));
4465 snd_soc_add_component_controls(component, wm8958_snd_controls,
4466 ARRAY_SIZE(wm8958_snd_controls));
4467 snd_soc_dapm_new_controls(dapm, wm8958_dapm_widgets,
4468 ARRAY_SIZE(wm8958_dapm_widgets));
4469 if (control->revision < 1) {
4470 snd_soc_dapm_new_controls(dapm, wm8994_lateclk_revd_widgets,
4471 ARRAY_SIZE(wm8994_lateclk_revd_widgets));
4472 snd_soc_dapm_new_controls(dapm, wm8994_adc_revd_widgets,
4473 ARRAY_SIZE(wm8994_adc_revd_widgets));
4474 snd_soc_dapm_new_controls(dapm, wm8994_dac_revd_widgets,
4475 ARRAY_SIZE(wm8994_dac_revd_widgets));
4476 } else {
4477 snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets,
4478 ARRAY_SIZE(wm8994_lateclk_widgets));
4479 snd_soc_dapm_new_controls(dapm, wm8994_adc_widgets,
4480 ARRAY_SIZE(wm8994_adc_widgets));
4481 snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets,
4482 ARRAY_SIZE(wm8994_dac_widgets));
4483 }
4484 break;
4485
4486 case WM1811:
4487 snd_soc_add_component_controls(component, wm8958_snd_controls,
4488 ARRAY_SIZE(wm8958_snd_controls));
4489 snd_soc_dapm_new_controls(dapm, wm8958_dapm_widgets,
4490 ARRAY_SIZE(wm8958_dapm_widgets));
4491 snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets,
4492 ARRAY_SIZE(wm8994_lateclk_widgets));
4493 snd_soc_dapm_new_controls(dapm, wm8994_adc_widgets,
4494 ARRAY_SIZE(wm8994_adc_widgets));
4495 snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets,
4496 ARRAY_SIZE(wm8994_dac_widgets));
4497 break;
4498 }
4499
4500 wm_hubs_add_analogue_routes(component, 0, 0);
4501 ret = wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_DCS_DONE,
4502 wm_hubs_dcs_done, "DC servo done",
4503 &wm8994->hubs);
4504 if (ret == 0)
4505 wm8994->hubs.dcs_done_irq = true;
4506 snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
4507
4508 switch (control->type) {
4509 case WM8994:
4510 snd_soc_dapm_add_routes(dapm, wm8994_intercon,
4511 ARRAY_SIZE(wm8994_intercon));
4512
4513 if (control->revision < 4) {
4514 snd_soc_dapm_add_routes(dapm, wm8994_revd_intercon,
4515 ARRAY_SIZE(wm8994_revd_intercon));
4516 snd_soc_dapm_add_routes(dapm, wm8994_lateclk_revd_intercon,
4517 ARRAY_SIZE(wm8994_lateclk_revd_intercon));
4518 } else {
4519 snd_soc_dapm_add_routes(dapm, wm8994_lateclk_intercon,
4520 ARRAY_SIZE(wm8994_lateclk_intercon));
4521 }
4522 break;
4523 case WM8958:
4524 if (control->revision < 1) {
4525 snd_soc_dapm_add_routes(dapm, wm8994_intercon,
4526 ARRAY_SIZE(wm8994_intercon));
4527 snd_soc_dapm_add_routes(dapm, wm8994_revd_intercon,
4528 ARRAY_SIZE(wm8994_revd_intercon));
4529 snd_soc_dapm_add_routes(dapm, wm8994_lateclk_revd_intercon,
4530 ARRAY_SIZE(wm8994_lateclk_revd_intercon));
4531 } else {
4532 snd_soc_dapm_add_routes(dapm, wm8994_lateclk_intercon,
4533 ARRAY_SIZE(wm8994_lateclk_intercon));
4534 snd_soc_dapm_add_routes(dapm, wm8958_intercon,
4535 ARRAY_SIZE(wm8958_intercon));
4536 }
4537
4538 wm8958_dsp2_init(component);
4539 break;
4540 case WM1811:
4541 snd_soc_dapm_add_routes(dapm, wm8994_lateclk_intercon,
4542 ARRAY_SIZE(wm8994_lateclk_intercon));
4543 snd_soc_dapm_add_routes(dapm, wm8958_intercon,
4544 ARRAY_SIZE(wm8958_intercon));
4545 break;
4546 }
4547
4548 return 0;
4549
4550 err_irq:
4551 if (wm8994->jackdet)
4552 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_GPIO(6), wm8994);
4553 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC2_SHRT, wm8994);
4554 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC2_DET, wm8994);
4555 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC1_SHRT, wm8994);
4556 if (wm8994->micdet_irq)
4557 free_irq(wm8994->micdet_irq, wm8994);
4558 for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
4559 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FLL1_LOCK + i,
4560 &wm8994->fll_locked[i]);
4561 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_DCS_DONE,
4562 &wm8994->hubs);
4563 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FIFOS_ERR, component);
4564 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_SHUT, component);
4565 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_WARN, component);
4566
4567 return ret;
4568 }
4569
wm8994_component_remove(struct snd_soc_component * component)4570 static void wm8994_component_remove(struct snd_soc_component *component)
4571 {
4572 struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
4573 struct wm8994 *control = wm8994->wm8994;
4574 int i;
4575
4576 for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
4577 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FLL1_LOCK + i,
4578 &wm8994->fll_locked[i]);
4579
4580 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_DCS_DONE,
4581 &wm8994->hubs);
4582 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FIFOS_ERR, component);
4583 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_SHUT, component);
4584 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_WARN, component);
4585
4586 if (wm8994->jackdet)
4587 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_GPIO(6), wm8994);
4588
4589 switch (control->type) {
4590 case WM8994:
4591 if (wm8994->micdet_irq)
4592 free_irq(wm8994->micdet_irq, wm8994);
4593 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC2_DET,
4594 wm8994);
4595 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC1_SHRT,
4596 wm8994);
4597 wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC1_DET,
4598 wm8994);
4599 break;
4600
4601 case WM1811:
4602 case WM8958:
4603 if (wm8994->micdet_irq)
4604 free_irq(wm8994->micdet_irq, wm8994);
4605 break;
4606 }
4607 release_firmware(wm8994->mbc);
4608 release_firmware(wm8994->mbc_vss);
4609 release_firmware(wm8994->enh_eq);
4610 kfree(wm8994->retune_mobile_texts);
4611 }
4612
4613 static const struct snd_soc_component_driver soc_component_dev_wm8994 = {
4614 .probe = wm8994_component_probe,
4615 .remove = wm8994_component_remove,
4616 .suspend = wm8994_component_suspend,
4617 .resume = wm8994_component_resume,
4618 .set_bias_level = wm8994_set_bias_level,
4619 .idle_bias_on = 1,
4620 .use_pmdown_time = 1,
4621 .endianness = 1,
4622 };
4623
wm8994_probe(struct platform_device * pdev)4624 static int wm8994_probe(struct platform_device *pdev)
4625 {
4626 struct wm8994_priv *wm8994;
4627 int ret;
4628
4629 wm8994 = devm_kzalloc(&pdev->dev, sizeof(struct wm8994_priv),
4630 GFP_KERNEL);
4631 if (wm8994 == NULL)
4632 return -ENOMEM;
4633 platform_set_drvdata(pdev, wm8994);
4634
4635 mutex_init(&wm8994->fw_lock);
4636
4637 wm8994->wm8994 = dev_get_drvdata(pdev->dev.parent);
4638
4639 wm8994->mclk[WM8994_MCLK1].id = "MCLK1";
4640 wm8994->mclk[WM8994_MCLK2].id = "MCLK2";
4641
4642 ret = devm_clk_bulk_get_optional(pdev->dev.parent, ARRAY_SIZE(wm8994->mclk),
4643 wm8994->mclk);
4644 if (ret < 0) {
4645 dev_err(&pdev->dev, "Failed to get clocks: %d\n", ret);
4646 return ret;
4647 }
4648
4649 pm_runtime_enable(&pdev->dev);
4650 pm_runtime_idle(&pdev->dev);
4651
4652 ret = devm_snd_soc_register_component(&pdev->dev, &soc_component_dev_wm8994,
4653 wm8994_dai, ARRAY_SIZE(wm8994_dai));
4654 if (ret < 0)
4655 pm_runtime_disable(&pdev->dev);
4656
4657 return ret;
4658 }
4659
wm8994_remove(struct platform_device * pdev)4660 static void wm8994_remove(struct platform_device *pdev)
4661 {
4662 pm_runtime_disable(&pdev->dev);
4663 }
4664
4665 #ifdef CONFIG_PM_SLEEP
wm8994_suspend(struct device * dev)4666 static int wm8994_suspend(struct device *dev)
4667 {
4668 struct wm8994_priv *wm8994 = dev_get_drvdata(dev);
4669
4670 /* Drop down to power saving mode when system is suspended */
4671 if (wm8994->jackdet && !wm8994->active_refcount)
4672 regmap_update_bits(wm8994->wm8994->regmap, WM8994_ANTIPOP_2,
4673 WM1811_JACKDET_MODE_MASK,
4674 wm8994->jackdet_mode);
4675
4676 return 0;
4677 }
4678
wm8994_resume(struct device * dev)4679 static int wm8994_resume(struct device *dev)
4680 {
4681 struct wm8994_priv *wm8994 = dev_get_drvdata(dev);
4682
4683 if (wm8994->jackdet && wm8994->jackdet_mode)
4684 regmap_update_bits(wm8994->wm8994->regmap, WM8994_ANTIPOP_2,
4685 WM1811_JACKDET_MODE_MASK,
4686 WM1811_JACKDET_MODE_AUDIO);
4687
4688 return 0;
4689 }
4690 #endif
4691
4692 static const struct dev_pm_ops wm8994_pm_ops = {
4693 SET_SYSTEM_SLEEP_PM_OPS(wm8994_suspend, wm8994_resume)
4694 };
4695
4696 static struct platform_driver wm8994_codec_driver = {
4697 .driver = {
4698 .name = "wm8994-codec",
4699 .pm = &wm8994_pm_ops,
4700 },
4701 .probe = wm8994_probe,
4702 .remove_new = wm8994_remove,
4703 };
4704
4705 module_platform_driver(wm8994_codec_driver);
4706
4707 MODULE_DESCRIPTION("ASoC WM8994 driver");
4708 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
4709 MODULE_LICENSE("GPL");
4710 MODULE_ALIAS("platform:wm8994-codec");
4711