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 	.set_sysclk	= wm8994_set_dai_sysclk,
3219 	.set_fmt	= wm8994_set_dai_fmt,
3220 	.hw_params	= wm8994_hw_params,
3221 	.mute_stream	= wm8994_aif_mute,
3222 	.set_pll	= wm8994_set_fll,
3223 	.set_tristate	= wm8994_set_tristate,
3224 	.no_capture_mute = 1,
3225 };
3226 
3227 static const struct snd_soc_dai_ops wm8994_aif3_dai_ops = {
3228 	.hw_params	= wm8994_aif3_hw_params,
3229 };
3230 
3231 static struct snd_soc_dai_driver wm8994_dai[] = {
3232 	{
3233 		.name = "wm8994-aif1",
3234 		.id = 1,
3235 		.playback = {
3236 			.stream_name = "AIF1 Playback",
3237 			.channels_min = 1,
3238 			.channels_max = 2,
3239 			.rates = WM8994_RATES,
3240 			.formats = WM8994_FORMATS,
3241 			.sig_bits = 24,
3242 		},
3243 		.capture = {
3244 			.stream_name = "AIF1 Capture",
3245 			.channels_min = 1,
3246 			.channels_max = 2,
3247 			.rates = WM8994_RATES,
3248 			.formats = WM8994_FORMATS,
3249 			.sig_bits = 24,
3250 		 },
3251 		.ops = &wm8994_aif1_dai_ops,
3252 	},
3253 	{
3254 		.name = "wm8994-aif2",
3255 		.id = 2,
3256 		.playback = {
3257 			.stream_name = "AIF2 Playback",
3258 			.channels_min = 1,
3259 			.channels_max = 2,
3260 			.rates = WM8994_RATES,
3261 			.formats = WM8994_FORMATS,
3262 			.sig_bits = 24,
3263 		},
3264 		.capture = {
3265 			.stream_name = "AIF2 Capture",
3266 			.channels_min = 1,
3267 			.channels_max = 2,
3268 			.rates = WM8994_RATES,
3269 			.formats = WM8994_FORMATS,
3270 			.sig_bits = 24,
3271 		},
3272 		.probe = wm8994_aif2_probe,
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, &reg);
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 		cancel_delayed_work_sync(&wm8994->mic_work);
3857 
3858 		snd_soc_component_update_bits(component, WM8958_MICBIAS2,
3859 				    WM8958_MICB2_DISCH, WM8958_MICB2_DISCH);
3860 
3861 		/* Enable debounce while removed */
3862 		snd_soc_component_update_bits(component, WM1811_JACKDET_CTRL,
3863 				    WM1811_JACKDET_DB, WM1811_JACKDET_DB);
3864 
3865 		wm8994->mic_detecting = false;
3866 		wm8994->jack_mic = false;
3867 		snd_soc_component_update_bits(component, WM8958_MIC_DETECT_1,
3868 				    WM8958_MICD_ENA, 0);
3869 		wm1811_jackdet_set_mode(component, WM1811_JACKDET_MODE_JACK);
3870 	}
3871 
3872 	mutex_unlock(&wm8994->accdet_lock);
3873 
3874 	/* Turn off MICBIAS if it was on for an external cap */
3875 	if (control->pdata.jd_ext_cap && !present)
3876 		snd_soc_dapm_disable_pin(dapm, "MICBIAS2");
3877 
3878 	if (present)
3879 		snd_soc_jack_report(wm8994->micdet[0].jack,
3880 				    SND_JACK_MECHANICAL, SND_JACK_MECHANICAL);
3881 	else
3882 		snd_soc_jack_report(wm8994->micdet[0].jack, 0,
3883 				    SND_JACK_MECHANICAL | SND_JACK_HEADSET |
3884 				    wm8994->btn_mask);
3885 
3886 	/* Since we only report deltas force an update, ensures we
3887 	 * avoid bootstrapping issues with the core. */
3888 	snd_soc_jack_report(wm8994->micdet[0].jack, 0, 0);
3889 
3890 	pm_runtime_put(component->dev);
3891 	return IRQ_HANDLED;
3892 }
3893 
wm1811_jackdet_bootstrap(struct work_struct * work)3894 static void wm1811_jackdet_bootstrap(struct work_struct *work)
3895 {
3896 	struct wm8994_priv *wm8994 = container_of(work,
3897 						struct wm8994_priv,
3898 						jackdet_bootstrap.work);
3899 	wm1811_jackdet_irq(0, wm8994);
3900 }
3901 
3902 /**
3903  * wm8958_mic_detect - Enable microphone detection via the WM8958 IRQ
3904  *
3905  * @component:   WM8958 component
3906  * @jack:    jack to report detection events on
3907  * @det_cb: detection callback
3908  * @det_cb_data: data for detection callback
3909  * @id_cb: mic id callback
3910  * @id_cb_data: data for mic id callback
3911  *
3912  * Enable microphone detection functionality for the WM8958.  By
3913  * default simple detection which supports the detection of up to 6
3914  * buttons plus video and microphone functionality is supported.
3915  *
3916  * The WM8958 has an advanced jack detection facility which is able to
3917  * support complex accessory detection, especially when used in
3918  * conjunction with external circuitry.  In order to provide maximum
3919  * flexiblity a callback is provided which allows a completely custom
3920  * detection algorithm.
3921  */
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)3922 int wm8958_mic_detect(struct snd_soc_component *component, struct snd_soc_jack *jack,
3923 		      wm1811_micdet_cb det_cb, void *det_cb_data,
3924 		      wm1811_mic_id_cb id_cb, void *id_cb_data)
3925 {
3926 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
3927 	struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
3928 	struct wm8994 *control = wm8994->wm8994;
3929 	u16 micd_lvl_sel;
3930 
3931 	switch (control->type) {
3932 	case WM1811:
3933 	case WM8958:
3934 		break;
3935 	default:
3936 		return -EINVAL;
3937 	}
3938 
3939 	pm_runtime_get_sync(component->dev);
3940 
3941 	if (jack) {
3942 		snd_soc_dapm_force_enable_pin(dapm, "CLK_SYS");
3943 		snd_soc_dapm_sync(dapm);
3944 
3945 		wm8994->micdet[0].jack = jack;
3946 
3947 		if (det_cb) {
3948 			wm8994->micd_cb = det_cb;
3949 			wm8994->micd_cb_data = det_cb_data;
3950 		} else {
3951 			wm8994->mic_detecting = true;
3952 			wm8994->jack_mic = false;
3953 		}
3954 
3955 		if (id_cb) {
3956 			wm8994->mic_id_cb = id_cb;
3957 			wm8994->mic_id_cb_data = id_cb_data;
3958 		} else {
3959 			wm8994->mic_id_cb = wm8958_mic_id;
3960 			wm8994->mic_id_cb_data = component;
3961 		}
3962 
3963 		wm8958_micd_set_rate(component);
3964 
3965 		/* Detect microphones and short circuits by default */
3966 		if (control->pdata.micd_lvl_sel)
3967 			micd_lvl_sel = control->pdata.micd_lvl_sel;
3968 		else
3969 			micd_lvl_sel = 0x41;
3970 
3971 		wm8994->btn_mask = SND_JACK_BTN_0 | SND_JACK_BTN_1 |
3972 			SND_JACK_BTN_2 | SND_JACK_BTN_3 |
3973 			SND_JACK_BTN_4 | SND_JACK_BTN_5;
3974 
3975 		snd_soc_component_update_bits(component, WM8958_MIC_DETECT_2,
3976 				    WM8958_MICD_LVL_SEL_MASK, micd_lvl_sel);
3977 
3978 		WARN_ON(snd_soc_component_get_bias_level(component) > SND_SOC_BIAS_STANDBY);
3979 
3980 		/*
3981 		 * If we can use jack detection start off with that,
3982 		 * otherwise jump straight to microphone detection.
3983 		 */
3984 		if (wm8994->jackdet) {
3985 			/* Disable debounce for the initial detect */
3986 			snd_soc_component_update_bits(component, WM1811_JACKDET_CTRL,
3987 					    WM1811_JACKDET_DB, 0);
3988 
3989 			snd_soc_component_update_bits(component, WM8958_MICBIAS2,
3990 					    WM8958_MICB2_DISCH,
3991 					    WM8958_MICB2_DISCH);
3992 			snd_soc_component_update_bits(component, WM8994_LDO_1,
3993 					    WM8994_LDO1_DISCH, 0);
3994 			wm1811_jackdet_set_mode(component,
3995 						WM1811_JACKDET_MODE_JACK);
3996 		} else {
3997 			snd_soc_component_update_bits(component, WM8958_MIC_DETECT_1,
3998 					    WM8958_MICD_ENA, WM8958_MICD_ENA);
3999 		}
4000 
4001 	} else {
4002 		snd_soc_component_update_bits(component, WM8958_MIC_DETECT_1,
4003 				    WM8958_MICD_ENA, 0);
4004 		wm1811_jackdet_set_mode(component, WM1811_JACKDET_MODE_NONE);
4005 		snd_soc_dapm_disable_pin(dapm, "CLK_SYS");
4006 		snd_soc_dapm_sync(dapm);
4007 	}
4008 
4009 	pm_runtime_put(component->dev);
4010 
4011 	return 0;
4012 }
4013 EXPORT_SYMBOL_GPL(wm8958_mic_detect);
4014 
wm8958_mic_work(struct work_struct * work)4015 static void wm8958_mic_work(struct work_struct *work)
4016 {
4017 	struct wm8994_priv *wm8994 = container_of(work,
4018 						  struct wm8994_priv,
4019 						  mic_complete_work.work);
4020 	struct snd_soc_component *component = wm8994->hubs.component;
4021 
4022 	pm_runtime_get_sync(component->dev);
4023 
4024 	mutex_lock(&wm8994->accdet_lock);
4025 
4026 	wm8994->mic_id_cb(wm8994->mic_id_cb_data, wm8994->mic_status);
4027 
4028 	mutex_unlock(&wm8994->accdet_lock);
4029 
4030 	pm_runtime_put(component->dev);
4031 }
4032 
wm8958_mic_irq(int irq,void * data)4033 static irqreturn_t wm8958_mic_irq(int irq, void *data)
4034 {
4035 	struct wm8994_priv *wm8994 = data;
4036 	struct snd_soc_component *component = wm8994->hubs.component;
4037 	int reg, count, ret, id_delay;
4038 
4039 	/*
4040 	 * Jack detection may have detected a removal simulataneously
4041 	 * with an update of the MICDET status; if so it will have
4042 	 * stopped detection and we can ignore this interrupt.
4043 	 */
4044 	if (!(snd_soc_component_read(component, WM8958_MIC_DETECT_1) & WM8958_MICD_ENA))
4045 		return IRQ_HANDLED;
4046 
4047 	cancel_delayed_work_sync(&wm8994->mic_complete_work);
4048 	cancel_delayed_work_sync(&wm8994->open_circuit_work);
4049 
4050 	pm_runtime_get_sync(component->dev);
4051 
4052 	/* We may occasionally read a detection without an impedence
4053 	 * range being provided - if that happens loop again.
4054 	 */
4055 	count = 10;
4056 	do {
4057 		reg = snd_soc_component_read(component, WM8958_MIC_DETECT_3);
4058 		if (reg < 0) {
4059 			dev_err(component->dev,
4060 				"Failed to read mic detect status: %d\n",
4061 				reg);
4062 			pm_runtime_put(component->dev);
4063 			return IRQ_NONE;
4064 		}
4065 
4066 		if (!(reg & WM8958_MICD_VALID)) {
4067 			dev_dbg(component->dev, "Mic detect data not valid\n");
4068 			goto out;
4069 		}
4070 
4071 		if (!(reg & WM8958_MICD_STS) || (reg & WM8958_MICD_LVL_MASK))
4072 			break;
4073 
4074 		msleep(1);
4075 	} while (count--);
4076 
4077 	if (count == 0)
4078 		dev_warn(component->dev, "No impedance range reported for jack\n");
4079 
4080 #ifndef CONFIG_SND_SOC_WM8994_MODULE
4081 	trace_snd_soc_jack_irq(dev_name(component->dev));
4082 #endif
4083 
4084 	/* Avoid a transient report when the accessory is being removed */
4085 	if (wm8994->jackdet) {
4086 		ret = snd_soc_component_read(component, WM1811_JACKDET_CTRL);
4087 		if (ret < 0) {
4088 			dev_err(component->dev, "Failed to read jack status: %d\n",
4089 				ret);
4090 		} else if (!(ret & WM1811_JACKDET_LVL)) {
4091 			dev_dbg(component->dev, "Ignoring removed jack\n");
4092 			goto out;
4093 		}
4094 	} else if (!(reg & WM8958_MICD_STS)) {
4095 		snd_soc_jack_report(wm8994->micdet[0].jack, 0,
4096 				    SND_JACK_MECHANICAL | SND_JACK_HEADSET |
4097 				    wm8994->btn_mask);
4098 		wm8994->mic_detecting = true;
4099 		goto out;
4100 	}
4101 
4102 	wm8994->mic_status = reg;
4103 	id_delay = wm8994->wm8994->pdata.mic_id_delay;
4104 
4105 	if (wm8994->mic_detecting)
4106 		queue_delayed_work(system_power_efficient_wq,
4107 				   &wm8994->mic_complete_work,
4108 				   msecs_to_jiffies(id_delay));
4109 	else
4110 		wm8958_button_det(component, reg);
4111 
4112 out:
4113 	pm_runtime_put(component->dev);
4114 	return IRQ_HANDLED;
4115 }
4116 
wm8994_fifo_error(int irq,void * data)4117 static irqreturn_t wm8994_fifo_error(int irq, void *data)
4118 {
4119 	struct snd_soc_component *component = data;
4120 
4121 	dev_err(component->dev, "FIFO error\n");
4122 
4123 	return IRQ_HANDLED;
4124 }
4125 
wm8994_temp_warn(int irq,void * data)4126 static irqreturn_t wm8994_temp_warn(int irq, void *data)
4127 {
4128 	struct snd_soc_component *component = data;
4129 
4130 	dev_err(component->dev, "Thermal warning\n");
4131 
4132 	return IRQ_HANDLED;
4133 }
4134 
wm8994_temp_shut(int irq,void * data)4135 static irqreturn_t wm8994_temp_shut(int irq, void *data)
4136 {
4137 	struct snd_soc_component *component = data;
4138 
4139 	dev_crit(component->dev, "Thermal shutdown\n");
4140 
4141 	return IRQ_HANDLED;
4142 }
4143 
wm8994_component_probe(struct snd_soc_component * component)4144 static int wm8994_component_probe(struct snd_soc_component *component)
4145 {
4146 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
4147 	struct wm8994 *control = dev_get_drvdata(component->dev->parent);
4148 	struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
4149 	unsigned int reg;
4150 	int ret, i;
4151 
4152 	snd_soc_component_init_regmap(component, control->regmap);
4153 
4154 	wm8994->hubs.component = component;
4155 
4156 	mutex_init(&wm8994->accdet_lock);
4157 	INIT_DELAYED_WORK(&wm8994->jackdet_bootstrap,
4158 			  wm1811_jackdet_bootstrap);
4159 	INIT_DELAYED_WORK(&wm8994->open_circuit_work,
4160 			  wm8958_open_circuit_work);
4161 
4162 	switch (control->type) {
4163 	case WM8994:
4164 		INIT_DELAYED_WORK(&wm8994->mic_work, wm8994_mic_work);
4165 		break;
4166 	case WM1811:
4167 		INIT_DELAYED_WORK(&wm8994->mic_work, wm1811_mic_work);
4168 		break;
4169 	default:
4170 		break;
4171 	}
4172 
4173 	INIT_DELAYED_WORK(&wm8994->mic_complete_work, wm8958_mic_work);
4174 
4175 	for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
4176 		init_completion(&wm8994->fll_locked[i]);
4177 
4178 	wm8994->micdet_irq = control->pdata.micdet_irq;
4179 
4180 	/* By default use idle_bias_off, will override for WM8994 */
4181 	dapm->idle_bias_off = 1;
4182 
4183 	/* Set revision-specific configuration */
4184 	switch (control->type) {
4185 	case WM8994:
4186 		/* Single ended line outputs should have VMID on. */
4187 		if (!control->pdata.lineout1_diff ||
4188 		    !control->pdata.lineout2_diff)
4189 			dapm->idle_bias_off = 0;
4190 
4191 		switch (control->revision) {
4192 		case 2:
4193 		case 3:
4194 			wm8994->hubs.dcs_codes_l = -5;
4195 			wm8994->hubs.dcs_codes_r = -5;
4196 			wm8994->hubs.hp_startup_mode = 1;
4197 			wm8994->hubs.dcs_readback_mode = 1;
4198 			wm8994->hubs.series_startup = 1;
4199 			break;
4200 		default:
4201 			wm8994->hubs.dcs_readback_mode = 2;
4202 			break;
4203 		}
4204 		wm8994->hubs.micd_scthr = true;
4205 		break;
4206 
4207 	case WM8958:
4208 		wm8994->hubs.dcs_readback_mode = 1;
4209 		wm8994->hubs.hp_startup_mode = 1;
4210 		wm8994->hubs.micd_scthr = true;
4211 
4212 		switch (control->revision) {
4213 		case 0:
4214 			break;
4215 		default:
4216 			wm8994->fll_byp = true;
4217 			break;
4218 		}
4219 		break;
4220 
4221 	case WM1811:
4222 		wm8994->hubs.dcs_readback_mode = 2;
4223 		wm8994->hubs.no_series_update = 1;
4224 		wm8994->hubs.hp_startup_mode = 1;
4225 		wm8994->hubs.no_cache_dac_hp_direct = true;
4226 		wm8994->fll_byp = true;
4227 
4228 		wm8994->hubs.dcs_codes_l = -9;
4229 		wm8994->hubs.dcs_codes_r = -7;
4230 
4231 		snd_soc_component_update_bits(component, WM8994_ANALOGUE_HP_1,
4232 				    WM1811_HPOUT1_ATTN, WM1811_HPOUT1_ATTN);
4233 		break;
4234 
4235 	default:
4236 		break;
4237 	}
4238 
4239 	wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_FIFOS_ERR,
4240 			   wm8994_fifo_error, "FIFO error", component);
4241 	wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_TEMP_WARN,
4242 			   wm8994_temp_warn, "Thermal warning", component);
4243 	wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_TEMP_SHUT,
4244 			   wm8994_temp_shut, "Thermal shutdown", component);
4245 
4246 	switch (control->type) {
4247 	case WM8994:
4248 		if (wm8994->micdet_irq)
4249 			ret = request_threaded_irq(wm8994->micdet_irq, NULL,
4250 						   wm8994_mic_irq,
4251 						   IRQF_TRIGGER_RISING |
4252 						   IRQF_ONESHOT,
4253 						   "Mic1 detect",
4254 						   wm8994);
4255 		 else
4256 			ret = wm8994_request_irq(wm8994->wm8994,
4257 					WM8994_IRQ_MIC1_DET,
4258 					wm8994_mic_irq, "Mic 1 detect",
4259 					wm8994);
4260 
4261 		if (ret != 0)
4262 			dev_warn(component->dev,
4263 				 "Failed to request Mic1 detect IRQ: %d\n",
4264 				 ret);
4265 
4266 
4267 		ret = wm8994_request_irq(wm8994->wm8994,
4268 					 WM8994_IRQ_MIC1_SHRT,
4269 					 wm8994_mic_irq, "Mic 1 short",
4270 					 wm8994);
4271 		if (ret != 0)
4272 			dev_warn(component->dev,
4273 				 "Failed to request Mic1 short IRQ: %d\n",
4274 				 ret);
4275 
4276 		ret = wm8994_request_irq(wm8994->wm8994,
4277 					 WM8994_IRQ_MIC2_DET,
4278 					 wm8994_mic_irq, "Mic 2 detect",
4279 					 wm8994);
4280 		if (ret != 0)
4281 			dev_warn(component->dev,
4282 				 "Failed to request Mic2 detect IRQ: %d\n",
4283 				 ret);
4284 
4285 		ret = wm8994_request_irq(wm8994->wm8994,
4286 					 WM8994_IRQ_MIC2_SHRT,
4287 					 wm8994_mic_irq, "Mic 2 short",
4288 					 wm8994);
4289 		if (ret != 0)
4290 			dev_warn(component->dev,
4291 				 "Failed to request Mic2 short IRQ: %d\n",
4292 				 ret);
4293 		break;
4294 
4295 	case WM8958:
4296 	case WM1811:
4297 		if (wm8994->micdet_irq) {
4298 			ret = request_threaded_irq(wm8994->micdet_irq, NULL,
4299 						   wm8958_mic_irq,
4300 						   IRQF_TRIGGER_RISING |
4301 						   IRQF_ONESHOT,
4302 						   "Mic detect",
4303 						   wm8994);
4304 			if (ret != 0)
4305 				dev_warn(component->dev,
4306 					 "Failed to request Mic detect IRQ: %d\n",
4307 					 ret);
4308 		} else {
4309 			wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_MIC1_DET,
4310 					   wm8958_mic_irq, "Mic detect",
4311 					   wm8994);
4312 		}
4313 	}
4314 
4315 	switch (control->type) {
4316 	case WM1811:
4317 		if (control->cust_id > 1 || control->revision > 1) {
4318 			ret = wm8994_request_irq(wm8994->wm8994,
4319 						 WM8994_IRQ_GPIO(6),
4320 						 wm1811_jackdet_irq, "JACKDET",
4321 						 wm8994);
4322 			if (ret == 0)
4323 				wm8994->jackdet = true;
4324 		}
4325 		break;
4326 	default:
4327 		break;
4328 	}
4329 
4330 	wm8994->fll_locked_irq = true;
4331 	for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++) {
4332 		ret = wm8994_request_irq(wm8994->wm8994,
4333 					 WM8994_IRQ_FLL1_LOCK + i,
4334 					 wm8994_fll_locked_irq, "FLL lock",
4335 					 &wm8994->fll_locked[i]);
4336 		if (ret != 0)
4337 			wm8994->fll_locked_irq = false;
4338 	}
4339 
4340 	/* Make sure we can read from the GPIOs if they're inputs */
4341 	pm_runtime_get_sync(component->dev);
4342 
4343 	/* Remember if AIFnLRCLK is configured as a GPIO.  This should be
4344 	 * configured on init - if a system wants to do this dynamically
4345 	 * at runtime we can deal with that then.
4346 	 */
4347 	ret = regmap_read(control->regmap, WM8994_GPIO_1, &reg);
4348 	if (ret < 0) {
4349 		dev_err(component->dev, "Failed to read GPIO1 state: %d\n", ret);
4350 		goto err_irq;
4351 	}
4352 	if ((reg & WM8994_GPN_FN_MASK) != WM8994_GP_FN_PIN_SPECIFIC) {
4353 		wm8994->lrclk_shared[0] = 1;
4354 		wm8994_dai[0].symmetric_rate = 1;
4355 	} else {
4356 		wm8994->lrclk_shared[0] = 0;
4357 	}
4358 
4359 	ret = regmap_read(control->regmap, WM8994_GPIO_6, &reg);
4360 	if (ret < 0) {
4361 		dev_err(component->dev, "Failed to read GPIO6 state: %d\n", ret);
4362 		goto err_irq;
4363 	}
4364 	if ((reg & WM8994_GPN_FN_MASK) != WM8994_GP_FN_PIN_SPECIFIC) {
4365 		wm8994->lrclk_shared[1] = 1;
4366 		wm8994_dai[1].symmetric_rate = 1;
4367 	} else {
4368 		wm8994->lrclk_shared[1] = 0;
4369 	}
4370 
4371 	pm_runtime_put(component->dev);
4372 
4373 	/* Latch volume update bits */
4374 	for (i = 0; i < ARRAY_SIZE(wm8994_vu_bits); i++)
4375 		snd_soc_component_update_bits(component, wm8994_vu_bits[i].reg,
4376 				    wm8994_vu_bits[i].mask,
4377 				    wm8994_vu_bits[i].mask);
4378 
4379 	if (control->type != WM1811) {
4380 		for (i = 0; i < ARRAY_SIZE(wm8994_adc2_dac2_vu_bits); i++)
4381 			snd_soc_component_update_bits(component,
4382 					wm8994_adc2_dac2_vu_bits[i].reg,
4383 					wm8994_adc2_dac2_vu_bits[i].mask,
4384 					wm8994_adc2_dac2_vu_bits[i].mask);
4385 	}
4386 
4387 	/* Set the low bit of the 3D stereo depth so TLV matches */
4388 	snd_soc_component_update_bits(component, WM8994_AIF1_DAC1_FILTERS_2,
4389 			    1 << WM8994_AIF1DAC1_3D_GAIN_SHIFT,
4390 			    1 << WM8994_AIF1DAC1_3D_GAIN_SHIFT);
4391 	snd_soc_component_update_bits(component, WM8994_AIF1_DAC2_FILTERS_2,
4392 			    1 << WM8994_AIF1DAC2_3D_GAIN_SHIFT,
4393 			    1 << WM8994_AIF1DAC2_3D_GAIN_SHIFT);
4394 	snd_soc_component_update_bits(component, WM8994_AIF2_DAC_FILTERS_2,
4395 			    1 << WM8994_AIF2DAC_3D_GAIN_SHIFT,
4396 			    1 << WM8994_AIF2DAC_3D_GAIN_SHIFT);
4397 
4398 	/* Unconditionally enable AIF1 ADC TDM mode on chips which can
4399 	 * use this; it only affects behaviour on idle TDM clock
4400 	 * cycles. */
4401 	switch (control->type) {
4402 	case WM8994:
4403 	case WM8958:
4404 		snd_soc_component_update_bits(component, WM8994_AIF1_CONTROL_1,
4405 				    WM8994_AIF1ADC_TDM, WM8994_AIF1ADC_TDM);
4406 		break;
4407 	default:
4408 		break;
4409 	}
4410 
4411 	/* Put MICBIAS into bypass mode by default on newer devices */
4412 	switch (control->type) {
4413 	case WM8958:
4414 	case WM1811:
4415 		snd_soc_component_update_bits(component, WM8958_MICBIAS1,
4416 				    WM8958_MICB1_MODE, WM8958_MICB1_MODE);
4417 		snd_soc_component_update_bits(component, WM8958_MICBIAS2,
4418 				    WM8958_MICB2_MODE, WM8958_MICB2_MODE);
4419 		break;
4420 	default:
4421 		break;
4422 	}
4423 
4424 	wm8994->hubs.check_class_w_digital = wm8994_check_class_w_digital;
4425 	wm_hubs_update_class_w(component);
4426 
4427 	wm8994_handle_pdata(wm8994);
4428 
4429 	wm_hubs_add_analogue_controls(component);
4430 	snd_soc_add_component_controls(component, wm8994_common_snd_controls,
4431 				       ARRAY_SIZE(wm8994_common_snd_controls));
4432 	snd_soc_dapm_new_controls(dapm, wm8994_dapm_widgets,
4433 				  ARRAY_SIZE(wm8994_dapm_widgets));
4434 
4435 	switch (control->type) {
4436 	case WM8994:
4437 		snd_soc_add_component_controls(component, wm8994_snd_controls,
4438 					       ARRAY_SIZE(wm8994_snd_controls));
4439 		snd_soc_dapm_new_controls(dapm, wm8994_specific_dapm_widgets,
4440 					  ARRAY_SIZE(wm8994_specific_dapm_widgets));
4441 		if (control->revision < 4) {
4442 			snd_soc_dapm_new_controls(dapm, wm8994_lateclk_revd_widgets,
4443 						  ARRAY_SIZE(wm8994_lateclk_revd_widgets));
4444 			snd_soc_dapm_new_controls(dapm, wm8994_adc_revd_widgets,
4445 						  ARRAY_SIZE(wm8994_adc_revd_widgets));
4446 			snd_soc_dapm_new_controls(dapm, wm8994_dac_revd_widgets,
4447 						  ARRAY_SIZE(wm8994_dac_revd_widgets));
4448 		} else {
4449 			snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets,
4450 						  ARRAY_SIZE(wm8994_lateclk_widgets));
4451 			snd_soc_dapm_new_controls(dapm, wm8994_adc_widgets,
4452 						  ARRAY_SIZE(wm8994_adc_widgets));
4453 			snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets,
4454 						  ARRAY_SIZE(wm8994_dac_widgets));
4455 		}
4456 		break;
4457 	case WM8958:
4458 		snd_soc_add_component_controls(component, wm8994_snd_controls,
4459 					       ARRAY_SIZE(wm8994_snd_controls));
4460 		snd_soc_add_component_controls(component, wm8958_snd_controls,
4461 					       ARRAY_SIZE(wm8958_snd_controls));
4462 		snd_soc_dapm_new_controls(dapm, wm8958_dapm_widgets,
4463 					  ARRAY_SIZE(wm8958_dapm_widgets));
4464 		if (control->revision < 1) {
4465 			snd_soc_dapm_new_controls(dapm, wm8994_lateclk_revd_widgets,
4466 						  ARRAY_SIZE(wm8994_lateclk_revd_widgets));
4467 			snd_soc_dapm_new_controls(dapm, wm8994_adc_revd_widgets,
4468 						  ARRAY_SIZE(wm8994_adc_revd_widgets));
4469 			snd_soc_dapm_new_controls(dapm, wm8994_dac_revd_widgets,
4470 						  ARRAY_SIZE(wm8994_dac_revd_widgets));
4471 		} else {
4472 			snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets,
4473 						  ARRAY_SIZE(wm8994_lateclk_widgets));
4474 			snd_soc_dapm_new_controls(dapm, wm8994_adc_widgets,
4475 						  ARRAY_SIZE(wm8994_adc_widgets));
4476 			snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets,
4477 						  ARRAY_SIZE(wm8994_dac_widgets));
4478 		}
4479 		break;
4480 
4481 	case WM1811:
4482 		snd_soc_add_component_controls(component, wm8958_snd_controls,
4483 				     ARRAY_SIZE(wm8958_snd_controls));
4484 		snd_soc_dapm_new_controls(dapm, wm8958_dapm_widgets,
4485 					  ARRAY_SIZE(wm8958_dapm_widgets));
4486 		snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets,
4487 					  ARRAY_SIZE(wm8994_lateclk_widgets));
4488 		snd_soc_dapm_new_controls(dapm, wm8994_adc_widgets,
4489 					  ARRAY_SIZE(wm8994_adc_widgets));
4490 		snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets,
4491 					  ARRAY_SIZE(wm8994_dac_widgets));
4492 		break;
4493 	}
4494 
4495 	wm_hubs_add_analogue_routes(component, 0, 0);
4496 	ret = wm8994_request_irq(wm8994->wm8994, WM8994_IRQ_DCS_DONE,
4497 				 wm_hubs_dcs_done, "DC servo done",
4498 				 &wm8994->hubs);
4499 	if (ret == 0)
4500 		wm8994->hubs.dcs_done_irq = true;
4501 	snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
4502 
4503 	switch (control->type) {
4504 	case WM8994:
4505 		snd_soc_dapm_add_routes(dapm, wm8994_intercon,
4506 					ARRAY_SIZE(wm8994_intercon));
4507 
4508 		if (control->revision < 4) {
4509 			snd_soc_dapm_add_routes(dapm, wm8994_revd_intercon,
4510 						ARRAY_SIZE(wm8994_revd_intercon));
4511 			snd_soc_dapm_add_routes(dapm, wm8994_lateclk_revd_intercon,
4512 						ARRAY_SIZE(wm8994_lateclk_revd_intercon));
4513 		} else {
4514 			snd_soc_dapm_add_routes(dapm, wm8994_lateclk_intercon,
4515 						ARRAY_SIZE(wm8994_lateclk_intercon));
4516 		}
4517 		break;
4518 	case WM8958:
4519 		if (control->revision < 1) {
4520 			snd_soc_dapm_add_routes(dapm, wm8994_intercon,
4521 						ARRAY_SIZE(wm8994_intercon));
4522 			snd_soc_dapm_add_routes(dapm, wm8994_revd_intercon,
4523 						ARRAY_SIZE(wm8994_revd_intercon));
4524 			snd_soc_dapm_add_routes(dapm, wm8994_lateclk_revd_intercon,
4525 						ARRAY_SIZE(wm8994_lateclk_revd_intercon));
4526 		} else {
4527 			snd_soc_dapm_add_routes(dapm, wm8994_lateclk_intercon,
4528 						ARRAY_SIZE(wm8994_lateclk_intercon));
4529 			snd_soc_dapm_add_routes(dapm, wm8958_intercon,
4530 						ARRAY_SIZE(wm8958_intercon));
4531 		}
4532 
4533 		wm8958_dsp2_init(component);
4534 		break;
4535 	case WM1811:
4536 		snd_soc_dapm_add_routes(dapm, wm8994_lateclk_intercon,
4537 					ARRAY_SIZE(wm8994_lateclk_intercon));
4538 		snd_soc_dapm_add_routes(dapm, wm8958_intercon,
4539 					ARRAY_SIZE(wm8958_intercon));
4540 		break;
4541 	}
4542 
4543 	return 0;
4544 
4545 err_irq:
4546 	if (wm8994->jackdet)
4547 		wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_GPIO(6), wm8994);
4548 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC2_SHRT, wm8994);
4549 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC2_DET, wm8994);
4550 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC1_SHRT, wm8994);
4551 	if (wm8994->micdet_irq)
4552 		free_irq(wm8994->micdet_irq, wm8994);
4553 	for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
4554 		wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FLL1_LOCK + i,
4555 				&wm8994->fll_locked[i]);
4556 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_DCS_DONE,
4557 			&wm8994->hubs);
4558 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FIFOS_ERR, component);
4559 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_SHUT, component);
4560 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_WARN, component);
4561 
4562 	return ret;
4563 }
4564 
wm8994_component_remove(struct snd_soc_component * component)4565 static void wm8994_component_remove(struct snd_soc_component *component)
4566 {
4567 	struct wm8994_priv *wm8994 = snd_soc_component_get_drvdata(component);
4568 	struct wm8994 *control = wm8994->wm8994;
4569 	int i;
4570 
4571 	for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
4572 		wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FLL1_LOCK + i,
4573 				&wm8994->fll_locked[i]);
4574 
4575 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_DCS_DONE,
4576 			&wm8994->hubs);
4577 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_FIFOS_ERR, component);
4578 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_SHUT, component);
4579 	wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_TEMP_WARN, component);
4580 
4581 	if (wm8994->jackdet)
4582 		wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_GPIO(6), wm8994);
4583 
4584 	switch (control->type) {
4585 	case WM8994:
4586 		if (wm8994->micdet_irq)
4587 			free_irq(wm8994->micdet_irq, wm8994);
4588 		wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC2_DET,
4589 				wm8994);
4590 		wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC1_SHRT,
4591 				wm8994);
4592 		wm8994_free_irq(wm8994->wm8994, WM8994_IRQ_MIC1_DET,
4593 				wm8994);
4594 		break;
4595 
4596 	case WM1811:
4597 	case WM8958:
4598 		if (wm8994->micdet_irq)
4599 			free_irq(wm8994->micdet_irq, wm8994);
4600 		break;
4601 	}
4602 	release_firmware(wm8994->mbc);
4603 	release_firmware(wm8994->mbc_vss);
4604 	release_firmware(wm8994->enh_eq);
4605 	kfree(wm8994->retune_mobile_texts);
4606 }
4607 
4608 static const struct snd_soc_component_driver soc_component_dev_wm8994 = {
4609 	.probe			= wm8994_component_probe,
4610 	.remove			= wm8994_component_remove,
4611 	.suspend		= wm8994_component_suspend,
4612 	.resume			= wm8994_component_resume,
4613 	.set_bias_level		= wm8994_set_bias_level,
4614 	.idle_bias_on		= 1,
4615 	.use_pmdown_time	= 1,
4616 	.endianness		= 1,
4617 	.non_legacy_dai_naming	= 1,
4618 };
4619 
wm8994_probe(struct platform_device * pdev)4620 static int wm8994_probe(struct platform_device *pdev)
4621 {
4622 	struct wm8994_priv *wm8994;
4623 	int ret;
4624 
4625 	wm8994 = devm_kzalloc(&pdev->dev, sizeof(struct wm8994_priv),
4626 			      GFP_KERNEL);
4627 	if (wm8994 == NULL)
4628 		return -ENOMEM;
4629 	platform_set_drvdata(pdev, wm8994);
4630 
4631 	mutex_init(&wm8994->fw_lock);
4632 
4633 	wm8994->wm8994 = dev_get_drvdata(pdev->dev.parent);
4634 
4635 	wm8994->mclk[WM8994_MCLK1].id = "MCLK1";
4636 	wm8994->mclk[WM8994_MCLK2].id = "MCLK2";
4637 
4638 	ret = devm_clk_bulk_get_optional(pdev->dev.parent, ARRAY_SIZE(wm8994->mclk),
4639 					 wm8994->mclk);
4640 	if (ret < 0) {
4641 		dev_err(&pdev->dev, "Failed to get clocks: %d\n", ret);
4642 		return ret;
4643 	}
4644 
4645 	pm_runtime_enable(&pdev->dev);
4646 	pm_runtime_idle(&pdev->dev);
4647 
4648 	ret = devm_snd_soc_register_component(&pdev->dev, &soc_component_dev_wm8994,
4649 			wm8994_dai, ARRAY_SIZE(wm8994_dai));
4650 	if (ret < 0)
4651 		pm_runtime_disable(&pdev->dev);
4652 
4653 	return ret;
4654 }
4655 
wm8994_remove(struct platform_device * pdev)4656 static int wm8994_remove(struct platform_device *pdev)
4657 {
4658 	pm_runtime_disable(&pdev->dev);
4659 
4660 	return 0;
4661 }
4662 
4663 #ifdef CONFIG_PM_SLEEP
wm8994_suspend(struct device * dev)4664 static int wm8994_suspend(struct device *dev)
4665 {
4666 	struct wm8994_priv *wm8994 = dev_get_drvdata(dev);
4667 
4668 	/* Drop down to power saving mode when system is suspended */
4669 	if (wm8994->jackdet && !wm8994->active_refcount)
4670 		regmap_update_bits(wm8994->wm8994->regmap, WM8994_ANTIPOP_2,
4671 				   WM1811_JACKDET_MODE_MASK,
4672 				   wm8994->jackdet_mode);
4673 
4674 	return 0;
4675 }
4676 
wm8994_resume(struct device * dev)4677 static int wm8994_resume(struct device *dev)
4678 {
4679 	struct wm8994_priv *wm8994 = dev_get_drvdata(dev);
4680 
4681 	if (wm8994->jackdet && wm8994->jackdet_mode)
4682 		regmap_update_bits(wm8994->wm8994->regmap, WM8994_ANTIPOP_2,
4683 				   WM1811_JACKDET_MODE_MASK,
4684 				   WM1811_JACKDET_MODE_AUDIO);
4685 
4686 	return 0;
4687 }
4688 #endif
4689 
4690 static const struct dev_pm_ops wm8994_pm_ops = {
4691 	SET_SYSTEM_SLEEP_PM_OPS(wm8994_suspend, wm8994_resume)
4692 };
4693 
4694 static struct platform_driver wm8994_codec_driver = {
4695 	.driver = {
4696 		.name = "wm8994-codec",
4697 		.pm = &wm8994_pm_ops,
4698 	},
4699 	.probe = wm8994_probe,
4700 	.remove = wm8994_remove,
4701 };
4702 
4703 module_platform_driver(wm8994_codec_driver);
4704 
4705 MODULE_DESCRIPTION("ASoC WM8994 driver");
4706 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
4707 MODULE_LICENSE("GPL");
4708 MODULE_ALIAS("platform:wm8994-codec");
4709