xref: /openbmc/linux/sound/soc/codecs/wm8990.c (revision fb574682)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * wm8990.c  --  WM8990 ALSA Soc Audio driver
4  *
5  * Copyright 2008 Wolfson Microelectronics PLC.
6  * Author: Liam Girdwood <lrg@slimlogic.co.uk>
7  */
8 
9 #include <linux/module.h>
10 #include <linux/moduleparam.h>
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/delay.h>
14 #include <linux/pm.h>
15 #include <linux/i2c.h>
16 #include <linux/regmap.h>
17 #include <linux/slab.h>
18 #include <sound/core.h>
19 #include <sound/pcm.h>
20 #include <sound/pcm_params.h>
21 #include <sound/soc.h>
22 #include <sound/initval.h>
23 #include <sound/tlv.h>
24 #include <asm/div64.h>
25 
26 #include "wm8990.h"
27 
28 /* codec private data */
29 struct wm8990_priv {
30 	struct regmap *regmap;
31 	unsigned int sysclk;
32 	unsigned int pcmclk;
33 };
34 
35 #define wm8990_reset(c) snd_soc_component_write(c, WM8990_RESET, 0)
36 
37 static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1650, 3000, 0);
38 
39 static const DECLARE_TLV_DB_SCALE(out_mix_tlv, 0, -2100, 0);
40 
41 static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -7300, 600, 0);
42 
43 static const DECLARE_TLV_DB_SCALE(out_dac_tlv, -7163, 0, 0);
44 
45 static const DECLARE_TLV_DB_SCALE(in_adc_tlv, -7163, 1763, 0);
46 
47 static const DECLARE_TLV_DB_SCALE(out_sidetone_tlv, -3600, 0, 0);
48 
49 static int wm899x_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
50 	struct snd_ctl_elem_value *ucontrol)
51 {
52 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
53 	struct soc_mixer_control *mc =
54 		(struct soc_mixer_control *)kcontrol->private_value;
55 	int reg = mc->reg;
56 	int ret;
57 	u16 val;
58 
59 	ret = snd_soc_put_volsw(kcontrol, ucontrol);
60 	if (ret < 0)
61 		return ret;
62 
63 	/* now hit the volume update bits (always bit 8) */
64 	val = snd_soc_component_read32(component, reg);
65 	return snd_soc_component_write(component, reg, val | 0x0100);
66 }
67 
68 #define SOC_WM899X_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert,\
69 	tlv_array) \
70 	SOC_SINGLE_EXT_TLV(xname, reg, shift, max, invert, \
71 		snd_soc_get_volsw, wm899x_outpga_put_volsw_vu, tlv_array)
72 
73 
74 static const char *wm8990_digital_sidetone[] =
75 	{"None", "Left ADC", "Right ADC", "Reserved"};
76 
77 static SOC_ENUM_SINGLE_DECL(wm8990_left_digital_sidetone_enum,
78 			    WM8990_DIGITAL_SIDE_TONE,
79 			    WM8990_ADC_TO_DACL_SHIFT,
80 			    wm8990_digital_sidetone);
81 
82 static SOC_ENUM_SINGLE_DECL(wm8990_right_digital_sidetone_enum,
83 			    WM8990_DIGITAL_SIDE_TONE,
84 			    WM8990_ADC_TO_DACR_SHIFT,
85 			    wm8990_digital_sidetone);
86 
87 static const char *wm8990_adcmode[] =
88 	{"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
89 
90 static SOC_ENUM_SINGLE_DECL(wm8990_right_adcmode_enum,
91 			    WM8990_ADC_CTRL,
92 			    WM8990_ADC_HPF_CUT_SHIFT,
93 			    wm8990_adcmode);
94 
95 static const struct snd_kcontrol_new wm8990_snd_controls[] = {
96 /* INMIXL */
97 SOC_SINGLE("LIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L12MNBST_BIT, 1, 0),
98 SOC_SINGLE("LIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L34MNBST_BIT, 1, 0),
99 /* INMIXR */
100 SOC_SINGLE("RIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R12MNBST_BIT, 1, 0),
101 SOC_SINGLE("RIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R34MNBST_BIT, 1, 0),
102 
103 /* LOMIX */
104 SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER3,
105 	WM8990_LLI3LOVOL_SHIFT, WM8990_LLI3LOVOL_MASK, 1, out_mix_tlv),
106 SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3,
107 	WM8990_LR12LOVOL_SHIFT, WM8990_LR12LOVOL_MASK, 1, out_mix_tlv),
108 SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3,
109 	WM8990_LL12LOVOL_SHIFT, WM8990_LL12LOVOL_MASK, 1, out_mix_tlv),
110 SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER5,
111 	WM8990_LRI3LOVOL_SHIFT, WM8990_LRI3LOVOL_MASK, 1, out_mix_tlv),
112 SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER5,
113 	WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv),
114 SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER5,
115 	WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv),
116 
117 /* ROMIX */
118 SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER4,
119 	WM8990_RRI3ROVOL_SHIFT, WM8990_RRI3ROVOL_MASK, 1, out_mix_tlv),
120 SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4,
121 	WM8990_RL12ROVOL_SHIFT, WM8990_RL12ROVOL_MASK, 1, out_mix_tlv),
122 SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4,
123 	WM8990_RR12ROVOL_SHIFT, WM8990_RR12ROVOL_MASK, 1, out_mix_tlv),
124 SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER6,
125 	WM8990_RLI3ROVOL_SHIFT, WM8990_RLI3ROVOL_MASK, 1, out_mix_tlv),
126 SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER6,
127 	WM8990_RLBROVOL_SHIFT, WM8990_RLBROVOL_MASK, 1, out_mix_tlv),
128 SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER6,
129 	WM8990_RRBROVOL_SHIFT, WM8990_RRBROVOL_MASK, 1, out_mix_tlv),
130 
131 /* LOUT */
132 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8990_LEFT_OUTPUT_VOLUME,
133 	WM8990_LOUTVOL_SHIFT, WM8990_LOUTVOL_MASK, 0, out_pga_tlv),
134 SOC_SINGLE("LOUT ZC", WM8990_LEFT_OUTPUT_VOLUME, WM8990_LOZC_BIT, 1, 0),
135 
136 /* ROUT */
137 SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8990_RIGHT_OUTPUT_VOLUME,
138 	WM8990_ROUTVOL_SHIFT, WM8990_ROUTVOL_MASK, 0, out_pga_tlv),
139 SOC_SINGLE("ROUT ZC", WM8990_RIGHT_OUTPUT_VOLUME, WM8990_ROZC_BIT, 1, 0),
140 
141 /* LOPGA */
142 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8990_LEFT_OPGA_VOLUME,
143 	WM8990_LOPGAVOL_SHIFT, WM8990_LOPGAVOL_MASK, 0, out_pga_tlv),
144 SOC_SINGLE("LOPGA ZC Switch", WM8990_LEFT_OPGA_VOLUME,
145 	WM8990_LOPGAZC_BIT, 1, 0),
146 
147 /* ROPGA */
148 SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8990_RIGHT_OPGA_VOLUME,
149 	WM8990_ROPGAVOL_SHIFT, WM8990_ROPGAVOL_MASK, 0, out_pga_tlv),
150 SOC_SINGLE("ROPGA ZC Switch", WM8990_RIGHT_OPGA_VOLUME,
151 	WM8990_ROPGAZC_BIT, 1, 0),
152 
153 SOC_SINGLE("LON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
154 	WM8990_LONMUTE_BIT, 1, 0),
155 SOC_SINGLE("LOP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
156 	WM8990_LOPMUTE_BIT, 1, 0),
157 SOC_SINGLE("LOP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME,
158 	WM8990_LOATTN_BIT, 1, 0),
159 SOC_SINGLE("RON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
160 	WM8990_RONMUTE_BIT, 1, 0),
161 SOC_SINGLE("ROP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
162 	WM8990_ROPMUTE_BIT, 1, 0),
163 SOC_SINGLE("ROP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME,
164 	WM8990_ROATTN_BIT, 1, 0),
165 
166 SOC_SINGLE("OUT3 Mute Switch", WM8990_OUT3_4_VOLUME,
167 	WM8990_OUT3MUTE_BIT, 1, 0),
168 SOC_SINGLE("OUT3 Attenuation Switch", WM8990_OUT3_4_VOLUME,
169 	WM8990_OUT3ATTN_BIT, 1, 0),
170 
171 SOC_SINGLE("OUT4 Mute Switch", WM8990_OUT3_4_VOLUME,
172 	WM8990_OUT4MUTE_BIT, 1, 0),
173 SOC_SINGLE("OUT4 Attenuation Switch", WM8990_OUT3_4_VOLUME,
174 	WM8990_OUT4ATTN_BIT, 1, 0),
175 
176 SOC_SINGLE("Speaker Mode Switch", WM8990_CLASSD1,
177 	WM8990_CDMODE_BIT, 1, 0),
178 
179 SOC_SINGLE("Speaker Output Attenuation Volume", WM8990_SPEAKER_VOLUME,
180 	WM8990_SPKATTN_SHIFT, WM8990_SPKATTN_MASK, 0),
181 SOC_SINGLE("Speaker DC Boost Volume", WM8990_CLASSD3,
182 	WM8990_DCGAIN_SHIFT, WM8990_DCGAIN_MASK, 0),
183 SOC_SINGLE("Speaker AC Boost Volume", WM8990_CLASSD3,
184 	WM8990_ACGAIN_SHIFT, WM8990_ACGAIN_MASK, 0),
185 SOC_SINGLE_TLV("Speaker Volume", WM8990_CLASSD4,
186 	WM8990_SPKVOL_SHIFT, WM8990_SPKVOL_MASK, 0, out_pga_tlv),
187 SOC_SINGLE("Speaker ZC Switch", WM8990_CLASSD4,
188 	WM8990_SPKZC_SHIFT, WM8990_SPKZC_MASK, 0),
189 
190 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
191 	WM8990_LEFT_DAC_DIGITAL_VOLUME,
192 	WM8990_DACL_VOL_SHIFT,
193 	WM8990_DACL_VOL_MASK,
194 	0,
195 	out_dac_tlv),
196 
197 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
198 	WM8990_RIGHT_DAC_DIGITAL_VOLUME,
199 	WM8990_DACR_VOL_SHIFT,
200 	WM8990_DACR_VOL_MASK,
201 	0,
202 	out_dac_tlv),
203 
204 SOC_ENUM("Left Digital Sidetone", wm8990_left_digital_sidetone_enum),
205 SOC_ENUM("Right Digital Sidetone", wm8990_right_digital_sidetone_enum),
206 
207 SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
208 	WM8990_ADCL_DAC_SVOL_SHIFT, WM8990_ADCL_DAC_SVOL_MASK, 0,
209 	out_sidetone_tlv),
210 SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
211 	WM8990_ADCR_DAC_SVOL_SHIFT, WM8990_ADCR_DAC_SVOL_MASK, 0,
212 	out_sidetone_tlv),
213 
214 SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8990_ADC_CTRL,
215 	WM8990_ADC_HPF_ENA_BIT, 1, 0),
216 
217 SOC_ENUM("ADC HPF Mode", wm8990_right_adcmode_enum),
218 
219 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
220 	WM8990_LEFT_ADC_DIGITAL_VOLUME,
221 	WM8990_ADCL_VOL_SHIFT,
222 	WM8990_ADCL_VOL_MASK,
223 	0,
224 	in_adc_tlv),
225 
226 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
227 	WM8990_RIGHT_ADC_DIGITAL_VOLUME,
228 	WM8990_ADCR_VOL_SHIFT,
229 	WM8990_ADCR_VOL_MASK,
230 	0,
231 	in_adc_tlv),
232 
233 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
234 	WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
235 	WM8990_LIN12VOL_SHIFT,
236 	WM8990_LIN12VOL_MASK,
237 	0,
238 	in_pga_tlv),
239 
240 SOC_SINGLE("LIN12 ZC Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
241 	WM8990_LI12ZC_BIT, 1, 0),
242 
243 SOC_SINGLE("LIN12 Mute Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
244 	WM8990_LI12MUTE_BIT, 1, 0),
245 
246 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
247 	WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
248 	WM8990_LIN34VOL_SHIFT,
249 	WM8990_LIN34VOL_MASK,
250 	0,
251 	in_pga_tlv),
252 
253 SOC_SINGLE("LIN34 ZC Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
254 	WM8990_LI34ZC_BIT, 1, 0),
255 
256 SOC_SINGLE("LIN34 Mute Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
257 	WM8990_LI34MUTE_BIT, 1, 0),
258 
259 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
260 	WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
261 	WM8990_RIN12VOL_SHIFT,
262 	WM8990_RIN12VOL_MASK,
263 	0,
264 	in_pga_tlv),
265 
266 SOC_SINGLE("RIN12 ZC Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
267 	WM8990_RI12ZC_BIT, 1, 0),
268 
269 SOC_SINGLE("RIN12 Mute Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
270 	WM8990_RI12MUTE_BIT, 1, 0),
271 
272 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
273 	WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
274 	WM8990_RIN34VOL_SHIFT,
275 	WM8990_RIN34VOL_MASK,
276 	0,
277 	in_pga_tlv),
278 
279 SOC_SINGLE("RIN34 ZC Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
280 	WM8990_RI34ZC_BIT, 1, 0),
281 
282 SOC_SINGLE("RIN34 Mute Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
283 	WM8990_RI34MUTE_BIT, 1, 0),
284 
285 };
286 
287 /*
288  * _DAPM_ Controls
289  */
290 
291 static int outmixer_event(struct snd_soc_dapm_widget *w,
292 	struct snd_kcontrol *kcontrol, int event)
293 {
294 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
295 	u32 reg_shift = kcontrol->private_value & 0xfff;
296 	int ret = 0;
297 	u16 reg;
298 
299 	switch (reg_shift) {
300 	case WM8990_SPEAKER_MIXER | (WM8990_LDSPK_BIT << 8) :
301 		reg = snd_soc_component_read32(component, WM8990_OUTPUT_MIXER1);
302 		if (reg & WM8990_LDLO) {
303 			printk(KERN_WARNING
304 			"Cannot set as Output Mixer 1 LDLO Set\n");
305 			ret = -1;
306 		}
307 		break;
308 	case WM8990_SPEAKER_MIXER | (WM8990_RDSPK_BIT << 8):
309 		reg = snd_soc_component_read32(component, WM8990_OUTPUT_MIXER2);
310 		if (reg & WM8990_RDRO) {
311 			printk(KERN_WARNING
312 			"Cannot set as Output Mixer 2 RDRO Set\n");
313 			ret = -1;
314 		}
315 		break;
316 	case WM8990_OUTPUT_MIXER1 | (WM8990_LDLO_BIT << 8):
317 		reg = snd_soc_component_read32(component, WM8990_SPEAKER_MIXER);
318 		if (reg & WM8990_LDSPK) {
319 			printk(KERN_WARNING
320 			"Cannot set as Speaker Mixer LDSPK Set\n");
321 			ret = -1;
322 		}
323 		break;
324 	case WM8990_OUTPUT_MIXER2 | (WM8990_RDRO_BIT << 8):
325 		reg = snd_soc_component_read32(component, WM8990_SPEAKER_MIXER);
326 		if (reg & WM8990_RDSPK) {
327 			printk(KERN_WARNING
328 			"Cannot set as Speaker Mixer RDSPK Set\n");
329 			ret = -1;
330 		}
331 		break;
332 	}
333 
334 	return ret;
335 }
336 
337 /* INMIX dB values */
338 static const DECLARE_TLV_DB_SCALE(in_mix_tlv, -1200, 600, 0);
339 
340 /* Left In PGA Connections */
341 static const struct snd_kcontrol_new wm8990_dapm_lin12_pga_controls[] = {
342 SOC_DAPM_SINGLE("LIN1 Switch", WM8990_INPUT_MIXER2, WM8990_LMN1_BIT, 1, 0),
343 SOC_DAPM_SINGLE("LIN2 Switch", WM8990_INPUT_MIXER2, WM8990_LMP2_BIT, 1, 0),
344 };
345 
346 static const struct snd_kcontrol_new wm8990_dapm_lin34_pga_controls[] = {
347 SOC_DAPM_SINGLE("LIN3 Switch", WM8990_INPUT_MIXER2, WM8990_LMN3_BIT, 1, 0),
348 SOC_DAPM_SINGLE("LIN4 Switch", WM8990_INPUT_MIXER2, WM8990_LMP4_BIT, 1, 0),
349 };
350 
351 /* Right In PGA Connections */
352 static const struct snd_kcontrol_new wm8990_dapm_rin12_pga_controls[] = {
353 SOC_DAPM_SINGLE("RIN1 Switch", WM8990_INPUT_MIXER2, WM8990_RMN1_BIT, 1, 0),
354 SOC_DAPM_SINGLE("RIN2 Switch", WM8990_INPUT_MIXER2, WM8990_RMP2_BIT, 1, 0),
355 };
356 
357 static const struct snd_kcontrol_new wm8990_dapm_rin34_pga_controls[] = {
358 SOC_DAPM_SINGLE("RIN3 Switch", WM8990_INPUT_MIXER2, WM8990_RMN3_BIT, 1, 0),
359 SOC_DAPM_SINGLE("RIN4 Switch", WM8990_INPUT_MIXER2, WM8990_RMP4_BIT, 1, 0),
360 };
361 
362 /* INMIXL */
363 static const struct snd_kcontrol_new wm8990_dapm_inmixl_controls[] = {
364 SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8990_INPUT_MIXER3,
365 	WM8990_LDBVOL_SHIFT, WM8990_LDBVOL_MASK, 0, in_mix_tlv),
366 SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8990_INPUT_MIXER5, WM8990_LI2BVOL_SHIFT,
367 	7, 0, in_mix_tlv),
368 SOC_DAPM_SINGLE("LINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
369 	1, 0),
370 SOC_DAPM_SINGLE("LINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
371 	1, 0),
372 };
373 
374 /* INMIXR */
375 static const struct snd_kcontrol_new wm8990_dapm_inmixr_controls[] = {
376 SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8990_INPUT_MIXER4,
377 	WM8990_RDBVOL_SHIFT, WM8990_RDBVOL_MASK, 0, in_mix_tlv),
378 SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8990_INPUT_MIXER6, WM8990_RI2BVOL_SHIFT,
379 	7, 0, in_mix_tlv),
380 SOC_DAPM_SINGLE("RINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
381 	1, 0),
382 SOC_DAPM_SINGLE("RINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
383 	1, 0),
384 };
385 
386 /* AINLMUX */
387 static const char *wm8990_ainlmux[] =
388 	{"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
389 
390 static SOC_ENUM_SINGLE_DECL(wm8990_ainlmux_enum,
391 			    WM8990_INPUT_MIXER1, WM8990_AINLMODE_SHIFT,
392 			    wm8990_ainlmux);
393 
394 static const struct snd_kcontrol_new wm8990_dapm_ainlmux_controls =
395 SOC_DAPM_ENUM("Route", wm8990_ainlmux_enum);
396 
397 /* DIFFINL */
398 
399 /* AINRMUX */
400 static const char *wm8990_ainrmux[] =
401 	{"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
402 
403 static SOC_ENUM_SINGLE_DECL(wm8990_ainrmux_enum,
404 			    WM8990_INPUT_MIXER1, WM8990_AINRMODE_SHIFT,
405 			    wm8990_ainrmux);
406 
407 static const struct snd_kcontrol_new wm8990_dapm_ainrmux_controls =
408 SOC_DAPM_ENUM("Route", wm8990_ainrmux_enum);
409 
410 /* LOMIX */
411 static const struct snd_kcontrol_new wm8990_dapm_lomix_controls[] = {
412 SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
413 	WM8990_LRBLO_BIT, 1, 0),
414 SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
415 	WM8990_LLBLO_BIT, 1, 0),
416 SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
417 	WM8990_LRI3LO_BIT, 1, 0),
418 SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
419 	WM8990_LLI3LO_BIT, 1, 0),
420 SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
421 	WM8990_LR12LO_BIT, 1, 0),
422 SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
423 	WM8990_LL12LO_BIT, 1, 0),
424 SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8990_OUTPUT_MIXER1,
425 	WM8990_LDLO_BIT, 1, 0),
426 };
427 
428 /* ROMIX */
429 static const struct snd_kcontrol_new wm8990_dapm_romix_controls[] = {
430 SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
431 	WM8990_RLBRO_BIT, 1, 0),
432 SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
433 	WM8990_RRBRO_BIT, 1, 0),
434 SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
435 	WM8990_RLI3RO_BIT, 1, 0),
436 SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
437 	WM8990_RRI3RO_BIT, 1, 0),
438 SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
439 	WM8990_RL12RO_BIT, 1, 0),
440 SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
441 	WM8990_RR12RO_BIT, 1, 0),
442 SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8990_OUTPUT_MIXER2,
443 	WM8990_RDRO_BIT, 1, 0),
444 };
445 
446 /* LONMIX */
447 static const struct snd_kcontrol_new wm8990_dapm_lonmix_controls[] = {
448 SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
449 	WM8990_LLOPGALON_BIT, 1, 0),
450 SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER1,
451 	WM8990_LROPGALON_BIT, 1, 0),
452 SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8990_LINE_MIXER1,
453 	WM8990_LOPLON_BIT, 1, 0),
454 };
455 
456 /* LOPMIX */
457 static const struct snd_kcontrol_new wm8990_dapm_lopmix_controls[] = {
458 SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER1,
459 	WM8990_LR12LOP_BIT, 1, 0),
460 SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER1,
461 	WM8990_LL12LOP_BIT, 1, 0),
462 SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
463 	WM8990_LLOPGALOP_BIT, 1, 0),
464 };
465 
466 /* RONMIX */
467 static const struct snd_kcontrol_new wm8990_dapm_ronmix_controls[] = {
468 SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
469 	WM8990_RROPGARON_BIT, 1, 0),
470 SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER2,
471 	WM8990_RLOPGARON_BIT, 1, 0),
472 SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8990_LINE_MIXER2,
473 	WM8990_ROPRON_BIT, 1, 0),
474 };
475 
476 /* ROPMIX */
477 static const struct snd_kcontrol_new wm8990_dapm_ropmix_controls[] = {
478 SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER2,
479 	WM8990_RL12ROP_BIT, 1, 0),
480 SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER2,
481 	WM8990_RR12ROP_BIT, 1, 0),
482 SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
483 	WM8990_RROPGAROP_BIT, 1, 0),
484 };
485 
486 /* OUT3MIX */
487 static const struct snd_kcontrol_new wm8990_dapm_out3mix_controls[] = {
488 SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
489 	WM8990_LI4O3_BIT, 1, 0),
490 SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8990_OUT3_4_MIXER,
491 	WM8990_LPGAO3_BIT, 1, 0),
492 };
493 
494 /* OUT4MIX */
495 static const struct snd_kcontrol_new wm8990_dapm_out4mix_controls[] = {
496 SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8990_OUT3_4_MIXER,
497 	WM8990_RPGAO4_BIT, 1, 0),
498 SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
499 	WM8990_RI4O4_BIT, 1, 0),
500 };
501 
502 /* SPKMIX */
503 static const struct snd_kcontrol_new wm8990_dapm_spkmix_controls[] = {
504 SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
505 	WM8990_LI2SPK_BIT, 1, 0),
506 SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8990_SPEAKER_MIXER,
507 	WM8990_LB2SPK_BIT, 1, 0),
508 SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8990_SPEAKER_MIXER,
509 	WM8990_LOPGASPK_BIT, 1, 0),
510 SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8990_SPEAKER_MIXER,
511 	WM8990_LDSPK_BIT, 1, 0),
512 SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8990_SPEAKER_MIXER,
513 	WM8990_RDSPK_BIT, 1, 0),
514 SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8990_SPEAKER_MIXER,
515 	WM8990_ROPGASPK_BIT, 1, 0),
516 SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8990_SPEAKER_MIXER,
517 	WM8990_RL12ROP_BIT, 1, 0),
518 SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
519 	WM8990_RI2SPK_BIT, 1, 0),
520 };
521 
522 static const struct snd_soc_dapm_widget wm8990_dapm_widgets[] = {
523 /* Input Side */
524 /* Input Lines */
525 SND_SOC_DAPM_INPUT("LIN1"),
526 SND_SOC_DAPM_INPUT("LIN2"),
527 SND_SOC_DAPM_INPUT("LIN3"),
528 SND_SOC_DAPM_INPUT("LIN4/RXN"),
529 SND_SOC_DAPM_INPUT("RIN3"),
530 SND_SOC_DAPM_INPUT("RIN4/RXP"),
531 SND_SOC_DAPM_INPUT("RIN1"),
532 SND_SOC_DAPM_INPUT("RIN2"),
533 SND_SOC_DAPM_INPUT("Internal ADC Source"),
534 
535 SND_SOC_DAPM_SUPPLY("INL", WM8990_POWER_MANAGEMENT_2, WM8990_AINL_ENA_BIT, 0,
536 		    NULL, 0),
537 SND_SOC_DAPM_SUPPLY("INR", WM8990_POWER_MANAGEMENT_2, WM8990_AINR_ENA_BIT, 0,
538 		    NULL, 0),
539 
540 /* DACs */
541 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8990_POWER_MANAGEMENT_2,
542 	WM8990_ADCL_ENA_BIT, 0),
543 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8990_POWER_MANAGEMENT_2,
544 	WM8990_ADCR_ENA_BIT, 0),
545 
546 /* Input PGAs */
547 SND_SOC_DAPM_MIXER("LIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN12_ENA_BIT,
548 	0, &wm8990_dapm_lin12_pga_controls[0],
549 	ARRAY_SIZE(wm8990_dapm_lin12_pga_controls)),
550 SND_SOC_DAPM_MIXER("LIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN34_ENA_BIT,
551 	0, &wm8990_dapm_lin34_pga_controls[0],
552 	ARRAY_SIZE(wm8990_dapm_lin34_pga_controls)),
553 SND_SOC_DAPM_MIXER("RIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN12_ENA_BIT,
554 	0, &wm8990_dapm_rin12_pga_controls[0],
555 	ARRAY_SIZE(wm8990_dapm_rin12_pga_controls)),
556 SND_SOC_DAPM_MIXER("RIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN34_ENA_BIT,
557 	0, &wm8990_dapm_rin34_pga_controls[0],
558 	ARRAY_SIZE(wm8990_dapm_rin34_pga_controls)),
559 
560 /* INMIXL */
561 SND_SOC_DAPM_MIXER("INMIXL", SND_SOC_NOPM, 0, 0,
562 	&wm8990_dapm_inmixl_controls[0],
563 	ARRAY_SIZE(wm8990_dapm_inmixl_controls)),
564 
565 /* AINLMUX */
566 SND_SOC_DAPM_MUX("AINLMUX", SND_SOC_NOPM, 0, 0, &wm8990_dapm_ainlmux_controls),
567 
568 /* INMIXR */
569 SND_SOC_DAPM_MIXER("INMIXR", SND_SOC_NOPM, 0, 0,
570 	&wm8990_dapm_inmixr_controls[0],
571 	ARRAY_SIZE(wm8990_dapm_inmixr_controls)),
572 
573 /* AINRMUX */
574 SND_SOC_DAPM_MUX("AINRMUX", SND_SOC_NOPM, 0, 0, &wm8990_dapm_ainrmux_controls),
575 
576 /* Output Side */
577 /* DACs */
578 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8990_POWER_MANAGEMENT_3,
579 	WM8990_DACL_ENA_BIT, 0),
580 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8990_POWER_MANAGEMENT_3,
581 	WM8990_DACR_ENA_BIT, 0),
582 
583 /* LOMIX */
584 SND_SOC_DAPM_MIXER_E("LOMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOMIX_ENA_BIT,
585 	0, &wm8990_dapm_lomix_controls[0],
586 	ARRAY_SIZE(wm8990_dapm_lomix_controls),
587 	outmixer_event, SND_SOC_DAPM_PRE_REG),
588 
589 /* LONMIX */
590 SND_SOC_DAPM_MIXER("LONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LON_ENA_BIT, 0,
591 	&wm8990_dapm_lonmix_controls[0],
592 	ARRAY_SIZE(wm8990_dapm_lonmix_controls)),
593 
594 /* LOPMIX */
595 SND_SOC_DAPM_MIXER("LOPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOP_ENA_BIT, 0,
596 	&wm8990_dapm_lopmix_controls[0],
597 	ARRAY_SIZE(wm8990_dapm_lopmix_controls)),
598 
599 /* OUT3MIX */
600 SND_SOC_DAPM_MIXER("OUT3MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT3_ENA_BIT, 0,
601 	&wm8990_dapm_out3mix_controls[0],
602 	ARRAY_SIZE(wm8990_dapm_out3mix_controls)),
603 
604 /* SPKMIX */
605 SND_SOC_DAPM_MIXER_E("SPKMIX", WM8990_POWER_MANAGEMENT_1, WM8990_SPK_ENA_BIT, 0,
606 	&wm8990_dapm_spkmix_controls[0],
607 	ARRAY_SIZE(wm8990_dapm_spkmix_controls), outmixer_event,
608 	SND_SOC_DAPM_PRE_REG),
609 
610 /* OUT4MIX */
611 SND_SOC_DAPM_MIXER("OUT4MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT4_ENA_BIT, 0,
612 	&wm8990_dapm_out4mix_controls[0],
613 	ARRAY_SIZE(wm8990_dapm_out4mix_controls)),
614 
615 /* ROPMIX */
616 SND_SOC_DAPM_MIXER("ROPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROP_ENA_BIT, 0,
617 	&wm8990_dapm_ropmix_controls[0],
618 	ARRAY_SIZE(wm8990_dapm_ropmix_controls)),
619 
620 /* RONMIX */
621 SND_SOC_DAPM_MIXER("RONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_RON_ENA_BIT, 0,
622 	&wm8990_dapm_ronmix_controls[0],
623 	ARRAY_SIZE(wm8990_dapm_ronmix_controls)),
624 
625 /* ROMIX */
626 SND_SOC_DAPM_MIXER_E("ROMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROMIX_ENA_BIT,
627 	0, &wm8990_dapm_romix_controls[0],
628 	ARRAY_SIZE(wm8990_dapm_romix_controls),
629 	outmixer_event, SND_SOC_DAPM_PRE_REG),
630 
631 /* LOUT PGA */
632 SND_SOC_DAPM_PGA("LOUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_LOUT_ENA_BIT, 0,
633 	NULL, 0),
634 
635 /* ROUT PGA */
636 SND_SOC_DAPM_PGA("ROUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_ROUT_ENA_BIT, 0,
637 	NULL, 0),
638 
639 /* LOPGA */
640 SND_SOC_DAPM_PGA("LOPGA", WM8990_POWER_MANAGEMENT_3, WM8990_LOPGA_ENA_BIT, 0,
641 	NULL, 0),
642 
643 /* ROPGA */
644 SND_SOC_DAPM_PGA("ROPGA", WM8990_POWER_MANAGEMENT_3, WM8990_ROPGA_ENA_BIT, 0,
645 	NULL, 0),
646 
647 /* MICBIAS */
648 SND_SOC_DAPM_SUPPLY("MICBIAS", WM8990_POWER_MANAGEMENT_1,
649 		    WM8990_MICBIAS_ENA_BIT, 0, NULL, 0),
650 
651 SND_SOC_DAPM_OUTPUT("LON"),
652 SND_SOC_DAPM_OUTPUT("LOP"),
653 SND_SOC_DAPM_OUTPUT("OUT3"),
654 SND_SOC_DAPM_OUTPUT("LOUT"),
655 SND_SOC_DAPM_OUTPUT("SPKN"),
656 SND_SOC_DAPM_OUTPUT("SPKP"),
657 SND_SOC_DAPM_OUTPUT("ROUT"),
658 SND_SOC_DAPM_OUTPUT("OUT4"),
659 SND_SOC_DAPM_OUTPUT("ROP"),
660 SND_SOC_DAPM_OUTPUT("RON"),
661 
662 SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
663 };
664 
665 static const struct snd_soc_dapm_route wm8990_dapm_routes[] = {
666 	/* Make DACs turn on when playing even if not mixed into any outputs */
667 	{"Internal DAC Sink", NULL, "Left DAC"},
668 	{"Internal DAC Sink", NULL, "Right DAC"},
669 
670 	/* Make ADCs turn on when recording even if not mixed from any inputs */
671 	{"Left ADC", NULL, "Internal ADC Source"},
672 	{"Right ADC", NULL, "Internal ADC Source"},
673 
674 	{"AINLMUX", NULL, "INL"},
675 	{"INMIXL", NULL, "INL"},
676 	{"AINRMUX", NULL, "INR"},
677 	{"INMIXR", NULL, "INR"},
678 
679 	/* Input Side */
680 	/* LIN12 PGA */
681 	{"LIN12 PGA", "LIN1 Switch", "LIN1"},
682 	{"LIN12 PGA", "LIN2 Switch", "LIN2"},
683 	/* LIN34 PGA */
684 	{"LIN34 PGA", "LIN3 Switch", "LIN3"},
685 	{"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"},
686 	/* INMIXL */
687 	{"INMIXL", "Record Left Volume", "LOMIX"},
688 	{"INMIXL", "LIN2 Volume", "LIN2"},
689 	{"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
690 	{"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
691 	/* AINLMUX */
692 	{"AINLMUX", "INMIXL Mix", "INMIXL"},
693 	{"AINLMUX", "DIFFINL Mix", "LIN12 PGA"},
694 	{"AINLMUX", "DIFFINL Mix", "LIN34 PGA"},
695 	{"AINLMUX", "RXVOICE Mix", "LIN4/RXN"},
696 	{"AINLMUX", "RXVOICE Mix", "RIN4/RXP"},
697 	/* ADC */
698 	{"Left ADC", NULL, "AINLMUX"},
699 
700 	/* RIN12 PGA */
701 	{"RIN12 PGA", "RIN1 Switch", "RIN1"},
702 	{"RIN12 PGA", "RIN2 Switch", "RIN2"},
703 	/* RIN34 PGA */
704 	{"RIN34 PGA", "RIN3 Switch", "RIN3"},
705 	{"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"},
706 	/* INMIXL */
707 	{"INMIXR", "Record Right Volume", "ROMIX"},
708 	{"INMIXR", "RIN2 Volume", "RIN2"},
709 	{"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
710 	{"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
711 	/* AINRMUX */
712 	{"AINRMUX", "INMIXR Mix", "INMIXR"},
713 	{"AINRMUX", "DIFFINR Mix", "RIN12 PGA"},
714 	{"AINRMUX", "DIFFINR Mix", "RIN34 PGA"},
715 	{"AINRMUX", "RXVOICE Mix", "LIN4/RXN"},
716 	{"AINRMUX", "RXVOICE Mix", "RIN4/RXP"},
717 	/* ADC */
718 	{"Right ADC", NULL, "AINRMUX"},
719 
720 	/* LOMIX */
721 	{"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
722 	{"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
723 	{"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
724 	{"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
725 	{"LOMIX", "LOMIX Right ADC Bypass Switch", "AINRMUX"},
726 	{"LOMIX", "LOMIX Left ADC Bypass Switch", "AINLMUX"},
727 	{"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
728 
729 	/* ROMIX */
730 	{"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
731 	{"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
732 	{"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
733 	{"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
734 	{"ROMIX", "ROMIX Right ADC Bypass Switch", "AINRMUX"},
735 	{"ROMIX", "ROMIX Left ADC Bypass Switch", "AINLMUX"},
736 	{"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
737 
738 	/* SPKMIX */
739 	{"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
740 	{"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
741 	{"SPKMIX", "SPKMIX LADC Bypass Switch", "AINLMUX"},
742 	{"SPKMIX", "SPKMIX RADC Bypass Switch", "AINRMUX"},
743 	{"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
744 	{"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
745 	{"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
746 	{"SPKMIX", "SPKMIX Left DAC Switch", "Left DAC"},
747 
748 	/* LONMIX */
749 	{"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
750 	{"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
751 	{"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
752 
753 	/* LOPMIX */
754 	{"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
755 	{"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
756 	{"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
757 
758 	/* OUT3MIX */
759 	{"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXN"},
760 	{"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
761 
762 	/* OUT4MIX */
763 	{"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
764 	{"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"},
765 
766 	/* RONMIX */
767 	{"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
768 	{"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
769 	{"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
770 
771 	/* ROPMIX */
772 	{"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
773 	{"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
774 	{"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
775 
776 	/* Out Mixer PGAs */
777 	{"LOPGA", NULL, "LOMIX"},
778 	{"ROPGA", NULL, "ROMIX"},
779 
780 	{"LOUT PGA", NULL, "LOMIX"},
781 	{"ROUT PGA", NULL, "ROMIX"},
782 
783 	/* Output Pins */
784 	{"LON", NULL, "LONMIX"},
785 	{"LOP", NULL, "LOPMIX"},
786 	{"OUT3", NULL, "OUT3MIX"},
787 	{"LOUT", NULL, "LOUT PGA"},
788 	{"SPKN", NULL, "SPKMIX"},
789 	{"ROUT", NULL, "ROUT PGA"},
790 	{"OUT4", NULL, "OUT4MIX"},
791 	{"ROP", NULL, "ROPMIX"},
792 	{"RON", NULL, "RONMIX"},
793 };
794 
795 /* PLL divisors */
796 struct _pll_div {
797 	u32 div2;
798 	u32 n;
799 	u32 k;
800 };
801 
802 /* The size in bits of the pll divide multiplied by 10
803  * to allow rounding later */
804 #define FIXED_PLL_SIZE ((1 << 16) * 10)
805 
806 static void pll_factors(struct _pll_div *pll_div, unsigned int target,
807 	unsigned int source)
808 {
809 	u64 Kpart;
810 	unsigned int K, Ndiv, Nmod;
811 
812 
813 	Ndiv = target / source;
814 	if (Ndiv < 6) {
815 		source >>= 1;
816 		pll_div->div2 = 1;
817 		Ndiv = target / source;
818 	} else
819 		pll_div->div2 = 0;
820 
821 	if ((Ndiv < 6) || (Ndiv > 12))
822 		printk(KERN_WARNING
823 		"WM8990 N value outwith recommended range! N = %u\n", Ndiv);
824 
825 	pll_div->n = Ndiv;
826 	Nmod = target % source;
827 	Kpart = FIXED_PLL_SIZE * (long long)Nmod;
828 
829 	do_div(Kpart, source);
830 
831 	K = Kpart & 0xFFFFFFFF;
832 
833 	/* Check if we need to round */
834 	if ((K % 10) >= 5)
835 		K += 5;
836 
837 	/* Move down to proper range now rounding is done */
838 	K /= 10;
839 
840 	pll_div->k = K;
841 }
842 
843 static int wm8990_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
844 		int source, unsigned int freq_in, unsigned int freq_out)
845 {
846 	struct snd_soc_component *component = codec_dai->component;
847 	struct _pll_div pll_div;
848 
849 	if (freq_in && freq_out) {
850 		pll_factors(&pll_div, freq_out * 4, freq_in);
851 
852 		/* Turn on PLL */
853 		snd_soc_component_update_bits(component, WM8990_POWER_MANAGEMENT_2,
854 				    WM8990_PLL_ENA, WM8990_PLL_ENA);
855 
856 		/* sysclk comes from PLL */
857 		snd_soc_component_update_bits(component, WM8990_CLOCKING_2,
858 				    WM8990_SYSCLK_SRC, WM8990_SYSCLK_SRC);
859 
860 		/* set up N , fractional mode and pre-divisor if necessary */
861 		snd_soc_component_write(component, WM8990_PLL1, pll_div.n | WM8990_SDM |
862 			(pll_div.div2?WM8990_PRESCALE:0));
863 		snd_soc_component_write(component, WM8990_PLL2, (u8)(pll_div.k>>8));
864 		snd_soc_component_write(component, WM8990_PLL3, (u8)(pll_div.k & 0xFF));
865 	} else {
866 		/* Turn off PLL */
867 		snd_soc_component_update_bits(component, WM8990_POWER_MANAGEMENT_2,
868 				    WM8990_PLL_ENA, 0);
869 	}
870 	return 0;
871 }
872 
873 /*
874  * Clock after PLL and dividers
875  */
876 static int wm8990_set_dai_sysclk(struct snd_soc_dai *codec_dai,
877 		int clk_id, unsigned int freq, int dir)
878 {
879 	struct snd_soc_component *component = codec_dai->component;
880 	struct wm8990_priv *wm8990 = snd_soc_component_get_drvdata(component);
881 
882 	wm8990->sysclk = freq;
883 	return 0;
884 }
885 
886 /*
887  * Set's ADC and Voice DAC format.
888  */
889 static int wm8990_set_dai_fmt(struct snd_soc_dai *codec_dai,
890 		unsigned int fmt)
891 {
892 	struct snd_soc_component *component = codec_dai->component;
893 	u16 audio1, audio3;
894 
895 	audio1 = snd_soc_component_read32(component, WM8990_AUDIO_INTERFACE_1);
896 	audio3 = snd_soc_component_read32(component, WM8990_AUDIO_INTERFACE_3);
897 
898 	/* set master/slave audio interface */
899 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
900 	case SND_SOC_DAIFMT_CBS_CFS:
901 		audio3 &= ~WM8990_AIF_MSTR1;
902 		break;
903 	case SND_SOC_DAIFMT_CBM_CFM:
904 		audio3 |= WM8990_AIF_MSTR1;
905 		break;
906 	default:
907 		return -EINVAL;
908 	}
909 
910 	audio1 &= ~WM8990_AIF_FMT_MASK;
911 
912 	/* interface format */
913 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
914 	case SND_SOC_DAIFMT_I2S:
915 		audio1 |= WM8990_AIF_TMF_I2S;
916 		audio1 &= ~WM8990_AIF_LRCLK_INV;
917 		break;
918 	case SND_SOC_DAIFMT_RIGHT_J:
919 		audio1 |= WM8990_AIF_TMF_RIGHTJ;
920 		audio1 &= ~WM8990_AIF_LRCLK_INV;
921 		break;
922 	case SND_SOC_DAIFMT_LEFT_J:
923 		audio1 |= WM8990_AIF_TMF_LEFTJ;
924 		audio1 &= ~WM8990_AIF_LRCLK_INV;
925 		break;
926 	case SND_SOC_DAIFMT_DSP_A:
927 		audio1 |= WM8990_AIF_TMF_DSP;
928 		audio1 &= ~WM8990_AIF_LRCLK_INV;
929 		break;
930 	case SND_SOC_DAIFMT_DSP_B:
931 		audio1 |= WM8990_AIF_TMF_DSP | WM8990_AIF_LRCLK_INV;
932 		break;
933 	default:
934 		return -EINVAL;
935 	}
936 
937 	snd_soc_component_write(component, WM8990_AUDIO_INTERFACE_1, audio1);
938 	snd_soc_component_write(component, WM8990_AUDIO_INTERFACE_3, audio3);
939 	return 0;
940 }
941 
942 static int wm8990_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
943 		int div_id, int div)
944 {
945 	struct snd_soc_component *component = codec_dai->component;
946 
947 	switch (div_id) {
948 	case WM8990_MCLK_DIV:
949 		snd_soc_component_update_bits(component, WM8990_CLOCKING_2,
950 				    WM8990_MCLK_DIV_MASK, div);
951 		break;
952 	case WM8990_DACCLK_DIV:
953 		snd_soc_component_update_bits(component, WM8990_CLOCKING_2,
954 				    WM8990_DAC_CLKDIV_MASK, div);
955 		break;
956 	case WM8990_ADCCLK_DIV:
957 		snd_soc_component_update_bits(component, WM8990_CLOCKING_2,
958 				    WM8990_ADC_CLKDIV_MASK, div);
959 		break;
960 	case WM8990_BCLK_DIV:
961 		snd_soc_component_update_bits(component, WM8990_CLOCKING_1,
962 				    WM8990_BCLK_DIV_MASK, div);
963 		break;
964 	default:
965 		return -EINVAL;
966 	}
967 
968 	return 0;
969 }
970 
971 /*
972  * Set PCM DAI bit size and sample rate.
973  */
974 static int wm8990_hw_params(struct snd_pcm_substream *substream,
975 			    struct snd_pcm_hw_params *params,
976 			    struct snd_soc_dai *dai)
977 {
978 	struct snd_soc_component *component = dai->component;
979 	u16 audio1 = snd_soc_component_read32(component, WM8990_AUDIO_INTERFACE_1);
980 
981 	audio1 &= ~WM8990_AIF_WL_MASK;
982 	/* bit size */
983 	switch (params_width(params)) {
984 	case 16:
985 		break;
986 	case 20:
987 		audio1 |= WM8990_AIF_WL_20BITS;
988 		break;
989 	case 24:
990 		audio1 |= WM8990_AIF_WL_24BITS;
991 		break;
992 	case 32:
993 		audio1 |= WM8990_AIF_WL_32BITS;
994 		break;
995 	}
996 
997 	snd_soc_component_write(component, WM8990_AUDIO_INTERFACE_1, audio1);
998 	return 0;
999 }
1000 
1001 static int wm8990_mute(struct snd_soc_dai *dai, int mute)
1002 {
1003 	struct snd_soc_component *component = dai->component;
1004 	u16 val;
1005 
1006 	val  = snd_soc_component_read32(component, WM8990_DAC_CTRL) & ~WM8990_DAC_MUTE;
1007 
1008 	if (mute)
1009 		snd_soc_component_write(component, WM8990_DAC_CTRL, val | WM8990_DAC_MUTE);
1010 	else
1011 		snd_soc_component_write(component, WM8990_DAC_CTRL, val);
1012 
1013 	return 0;
1014 }
1015 
1016 static int wm8990_set_bias_level(struct snd_soc_component *component,
1017 	enum snd_soc_bias_level level)
1018 {
1019 	struct wm8990_priv *wm8990 = snd_soc_component_get_drvdata(component);
1020 	int ret;
1021 
1022 	switch (level) {
1023 	case SND_SOC_BIAS_ON:
1024 		break;
1025 
1026 	case SND_SOC_BIAS_PREPARE:
1027 		/* VMID=2*50k */
1028 		snd_soc_component_update_bits(component, WM8990_POWER_MANAGEMENT_1,
1029 				    WM8990_VMID_MODE_MASK, 0x2);
1030 		break;
1031 
1032 	case SND_SOC_BIAS_STANDBY:
1033 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1034 			ret = regcache_sync(wm8990->regmap);
1035 			if (ret < 0) {
1036 				dev_err(component->dev, "Failed to sync cache: %d\n", ret);
1037 				return ret;
1038 			}
1039 
1040 			/* Enable all output discharge bits */
1041 			snd_soc_component_write(component, WM8990_ANTIPOP1, WM8990_DIS_LLINE |
1042 				WM8990_DIS_RLINE | WM8990_DIS_OUT3 |
1043 				WM8990_DIS_OUT4 | WM8990_DIS_LOUT |
1044 				WM8990_DIS_ROUT);
1045 
1046 			/* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
1047 			snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_SOFTST |
1048 				     WM8990_BUFDCOPEN | WM8990_POBCTRL |
1049 				     WM8990_VMIDTOG);
1050 
1051 			/* Delay to allow output caps to discharge */
1052 			msleep(300);
1053 
1054 			/* Disable VMIDTOG */
1055 			snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_SOFTST |
1056 				     WM8990_BUFDCOPEN | WM8990_POBCTRL);
1057 
1058 			/* disable all output discharge bits */
1059 			snd_soc_component_write(component, WM8990_ANTIPOP1, 0);
1060 
1061 			/* Enable outputs */
1062 			snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x1b00);
1063 
1064 			msleep(50);
1065 
1066 			/* Enable VMID at 2x50k */
1067 			snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x1f02);
1068 
1069 			msleep(100);
1070 
1071 			/* Enable VREF */
1072 			snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x1f03);
1073 
1074 			msleep(600);
1075 
1076 			/* Enable BUFIOEN */
1077 			snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_SOFTST |
1078 				     WM8990_BUFDCOPEN | WM8990_POBCTRL |
1079 				     WM8990_BUFIOEN);
1080 
1081 			/* Disable outputs */
1082 			snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x3);
1083 
1084 			/* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1085 			snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_BUFIOEN);
1086 
1087 			/* Enable workaround for ADC clocking issue. */
1088 			snd_soc_component_write(component, WM8990_EXT_ACCESS_ENA, 0x2);
1089 			snd_soc_component_write(component, WM8990_EXT_CTL1, 0xa003);
1090 			snd_soc_component_write(component, WM8990_EXT_ACCESS_ENA, 0);
1091 		}
1092 
1093 		/* VMID=2*250k */
1094 		snd_soc_component_update_bits(component, WM8990_POWER_MANAGEMENT_1,
1095 				    WM8990_VMID_MODE_MASK, 0x4);
1096 		break;
1097 
1098 	case SND_SOC_BIAS_OFF:
1099 		/* Enable POBCTRL and SOFT_ST */
1100 		snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_SOFTST |
1101 			WM8990_POBCTRL | WM8990_BUFIOEN);
1102 
1103 		/* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
1104 		snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_SOFTST |
1105 			WM8990_BUFDCOPEN | WM8990_POBCTRL |
1106 			WM8990_BUFIOEN);
1107 
1108 		/* mute DAC */
1109 		snd_soc_component_update_bits(component, WM8990_DAC_CTRL,
1110 				    WM8990_DAC_MUTE, WM8990_DAC_MUTE);
1111 
1112 		/* Enable any disabled outputs */
1113 		snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x1f03);
1114 
1115 		/* Disable VMID */
1116 		snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x1f01);
1117 
1118 		msleep(300);
1119 
1120 		/* Enable all output discharge bits */
1121 		snd_soc_component_write(component, WM8990_ANTIPOP1, WM8990_DIS_LLINE |
1122 			WM8990_DIS_RLINE | WM8990_DIS_OUT3 |
1123 			WM8990_DIS_OUT4 | WM8990_DIS_LOUT |
1124 			WM8990_DIS_ROUT);
1125 
1126 		/* Disable VREF */
1127 		snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x0);
1128 
1129 		/* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1130 		snd_soc_component_write(component, WM8990_ANTIPOP2, 0x0);
1131 
1132 		regcache_mark_dirty(wm8990->regmap);
1133 		break;
1134 	}
1135 
1136 	return 0;
1137 }
1138 
1139 #define WM8990_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
1140 	SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
1141 	SNDRV_PCM_RATE_48000)
1142 
1143 #define WM8990_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1144 	SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1145 
1146 /*
1147  * The WM8990 supports 2 different and mutually exclusive DAI
1148  * configurations.
1149  *
1150  * 1. ADC/DAC on Primary Interface
1151  * 2. ADC on Primary Interface/DAC on secondary
1152  */
1153 static const struct snd_soc_dai_ops wm8990_dai_ops = {
1154 	.hw_params	= wm8990_hw_params,
1155 	.digital_mute	= wm8990_mute,
1156 	.set_fmt	= wm8990_set_dai_fmt,
1157 	.set_clkdiv	= wm8990_set_dai_clkdiv,
1158 	.set_pll	= wm8990_set_dai_pll,
1159 	.set_sysclk	= wm8990_set_dai_sysclk,
1160 };
1161 
1162 static struct snd_soc_dai_driver wm8990_dai = {
1163 /* ADC/DAC on primary */
1164 	.name = "wm8990-hifi",
1165 	.playback = {
1166 		.stream_name = "Playback",
1167 		.channels_min = 1,
1168 		.channels_max = 2,
1169 		.rates = WM8990_RATES,
1170 		.formats = WM8990_FORMATS,},
1171 	.capture = {
1172 		.stream_name = "Capture",
1173 		.channels_min = 1,
1174 		.channels_max = 2,
1175 		.rates = WM8990_RATES,
1176 		.formats = WM8990_FORMATS,},
1177 	.ops = &wm8990_dai_ops,
1178 };
1179 
1180 /*
1181  * initialise the WM8990 driver
1182  * register the mixer and dsp interfaces with the kernel
1183  */
1184 static int wm8990_probe(struct snd_soc_component *component)
1185 {
1186 	wm8990_reset(component);
1187 
1188 	/* charge output caps */
1189 	snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY);
1190 
1191 	snd_soc_component_update_bits(component, WM8990_AUDIO_INTERFACE_4,
1192 			    WM8990_ALRCGPIO1, WM8990_ALRCGPIO1);
1193 
1194 	snd_soc_component_update_bits(component, WM8990_GPIO1_GPIO2,
1195 			    WM8990_GPIO1_SEL_MASK, 1);
1196 
1197 	snd_soc_component_update_bits(component, WM8990_POWER_MANAGEMENT_2,
1198 			    WM8990_OPCLK_ENA, WM8990_OPCLK_ENA);
1199 
1200 	snd_soc_component_write(component, WM8990_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
1201 	snd_soc_component_write(component, WM8990_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
1202 
1203 	return 0;
1204 }
1205 
1206 static const struct snd_soc_component_driver soc_component_dev_wm8990 = {
1207 	.probe			= wm8990_probe,
1208 	.set_bias_level		= wm8990_set_bias_level,
1209 	.controls		= wm8990_snd_controls,
1210 	.num_controls		= ARRAY_SIZE(wm8990_snd_controls),
1211 	.dapm_widgets		= wm8990_dapm_widgets,
1212 	.num_dapm_widgets	= ARRAY_SIZE(wm8990_dapm_widgets),
1213 	.dapm_routes		= wm8990_dapm_routes,
1214 	.num_dapm_routes	= ARRAY_SIZE(wm8990_dapm_routes),
1215 	.suspend_bias_off	= 1,
1216 	.idle_bias_on		= 1,
1217 	.use_pmdown_time	= 1,
1218 	.endianness		= 1,
1219 	.non_legacy_dai_naming	= 1,
1220 };
1221 
1222 static int wm8990_i2c_probe(struct i2c_client *i2c,
1223 			    const struct i2c_device_id *id)
1224 {
1225 	struct wm8990_priv *wm8990;
1226 	int ret;
1227 
1228 	wm8990 = devm_kzalloc(&i2c->dev, sizeof(struct wm8990_priv),
1229 			      GFP_KERNEL);
1230 	if (wm8990 == NULL)
1231 		return -ENOMEM;
1232 
1233 	i2c_set_clientdata(i2c, wm8990);
1234 
1235 	ret = devm_snd_soc_register_component(&i2c->dev,
1236 			&soc_component_dev_wm8990, &wm8990_dai, 1);
1237 
1238 	return ret;
1239 }
1240 
1241 static const struct i2c_device_id wm8990_i2c_id[] = {
1242 	{ "wm8990", 0 },
1243 	{ }
1244 };
1245 MODULE_DEVICE_TABLE(i2c, wm8990_i2c_id);
1246 
1247 static struct i2c_driver wm8990_i2c_driver = {
1248 	.driver = {
1249 		.name = "wm8990",
1250 	},
1251 	.probe =    wm8990_i2c_probe,
1252 	.id_table = wm8990_i2c_id,
1253 };
1254 
1255 module_i2c_driver(wm8990_i2c_driver);
1256 
1257 MODULE_DESCRIPTION("ASoC WM8990 driver");
1258 MODULE_AUTHOR("Liam Girdwood");
1259 MODULE_LICENSE("GPL");
1260