xref: /linux/sound/soc/codecs/wm_hubs.c (revision 765532c8aaac624b5f8687af6d319c6a1138a257)
1 /*
2  * wm_hubs.c  --  WM8993/4 common code
3  *
4  * Copyright 2009 Wolfson Microelectronics plc
5  *
6  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
7  *
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License version 2 as
11  * published by the Free Software Foundation.
12  */
13 
14 #include <linux/module.h>
15 #include <linux/moduleparam.h>
16 #include <linux/init.h>
17 #include <linux/delay.h>
18 #include <linux/pm.h>
19 #include <linux/i2c.h>
20 #include <linux/platform_device.h>
21 #include <sound/core.h>
22 #include <sound/pcm.h>
23 #include <sound/pcm_params.h>
24 #include <sound/soc.h>
25 #include <sound/soc-dapm.h>
26 #include <sound/initval.h>
27 #include <sound/tlv.h>
28 
29 #include "wm8993.h"
30 #include "wm_hubs.h"
31 
32 const DECLARE_TLV_DB_SCALE(wm_hubs_spkmix_tlv, -300, 300, 0);
33 EXPORT_SYMBOL_GPL(wm_hubs_spkmix_tlv);
34 
35 static const DECLARE_TLV_DB_SCALE(inpga_tlv, -1650, 150, 0);
36 static const DECLARE_TLV_DB_SCALE(inmix_sw_tlv, 0, 3000, 0);
37 static const DECLARE_TLV_DB_SCALE(inmix_tlv, -1500, 300, 1);
38 static const DECLARE_TLV_DB_SCALE(earpiece_tlv, -600, 600, 0);
39 static const DECLARE_TLV_DB_SCALE(outmix_tlv, -2100, 300, 0);
40 static const DECLARE_TLV_DB_SCALE(spkmixout_tlv, -1800, 600, 1);
41 static const DECLARE_TLV_DB_SCALE(outpga_tlv, -5700, 100, 0);
42 static const unsigned int spkboost_tlv[] = {
43 	TLV_DB_RANGE_HEAD(7),
44 	0, 6, TLV_DB_SCALE_ITEM(0, 150, 0),
45 	7, 7, TLV_DB_SCALE_ITEM(1200, 0, 0),
46 };
47 static const DECLARE_TLV_DB_SCALE(line_tlv, -600, 600, 0);
48 
49 static const char *speaker_ref_text[] = {
50 	"SPKVDD/2",
51 	"VMID",
52 };
53 
54 static const struct soc_enum speaker_ref =
55 	SOC_ENUM_SINGLE(WM8993_SPEAKER_MIXER, 8, 2, speaker_ref_text);
56 
57 static const char *speaker_mode_text[] = {
58 	"Class D",
59 	"Class AB",
60 };
61 
62 static const struct soc_enum speaker_mode =
63 	SOC_ENUM_SINGLE(WM8993_SPKMIXR_ATTENUATION, 8, 2, speaker_mode_text);
64 
65 static void wait_for_dc_servo(struct snd_soc_codec *codec, unsigned int op)
66 {
67 	unsigned int reg;
68 	int count = 0;
69 	unsigned int val;
70 
71 	val = op | WM8993_DCS_ENA_CHAN_0 | WM8993_DCS_ENA_CHAN_1;
72 
73 	/* Trigger the command */
74 	snd_soc_write(codec, WM8993_DC_SERVO_0, val);
75 
76 	dev_dbg(codec->dev, "Waiting for DC servo...\n");
77 
78 	do {
79 		count++;
80 		msleep(1);
81 		reg = snd_soc_read(codec, WM8993_DC_SERVO_0);
82 		dev_dbg(codec->dev, "DC servo: %x\n", reg);
83 	} while (reg & op && count < 400);
84 
85 	if (reg & op)
86 		dev_err(codec->dev, "Timed out waiting for DC Servo\n");
87 }
88 
89 /*
90  * Startup calibration of the DC servo
91  */
92 static void calibrate_dc_servo(struct snd_soc_codec *codec)
93 {
94 	struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
95 	u16 reg, reg_l, reg_r, dcs_cfg;
96 
97 	/* Set for 32 series updates */
98 	snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
99 			    WM8993_DCS_SERIES_NO_01_MASK,
100 			    32 << WM8993_DCS_SERIES_NO_01_SHIFT);
101 	wait_for_dc_servo(codec,
102 			  WM8993_DCS_TRIG_SERIES_0 | WM8993_DCS_TRIG_SERIES_1);
103 
104 	/* Apply correction to DC servo result */
105 	if (hubs->dcs_codes) {
106 		dev_dbg(codec->dev, "Applying %d code DC servo correction\n",
107 			hubs->dcs_codes);
108 
109 		/* Different chips in the family support different
110 		 * readback methods.
111 		 */
112 		switch (hubs->dcs_readback_mode) {
113 		case 0:
114 			reg_l = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_1)
115 				& WM8993_DCS_INTEG_CHAN_0_MASK;;
116 			reg_r = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_2)
117 				& WM8993_DCS_INTEG_CHAN_1_MASK;
118 			break;
119 		case 1:
120 			reg = snd_soc_read(codec, WM8993_DC_SERVO_3);
121 			reg_l = (reg & WM8993_DCS_DAC_WR_VAL_1_MASK)
122 				>> WM8993_DCS_DAC_WR_VAL_1_SHIFT;
123 			reg_r = reg & WM8993_DCS_DAC_WR_VAL_0_MASK;
124 			break;
125 		default:
126 			WARN(1, "Unknown DCS readback method\n");
127 			break;
128 		}
129 
130 		dev_dbg(codec->dev, "DCS input: %x %x\n", reg_l, reg_r);
131 
132 		/* HPOUT1L */
133 		if (reg_l + hubs->dcs_codes > 0 &&
134 		    reg_l + hubs->dcs_codes < 0xff)
135 			reg_l += hubs->dcs_codes;
136 		dcs_cfg = reg_l << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
137 
138 		/* HPOUT1R */
139 		if (reg_r + hubs->dcs_codes > 0 &&
140 		    reg_r + hubs->dcs_codes < 0xff)
141 			reg_r += hubs->dcs_codes;
142 		dcs_cfg |= reg_r;
143 
144 		dev_dbg(codec->dev, "DCS result: %x\n", dcs_cfg);
145 
146 		/* Do it */
147 		snd_soc_write(codec, WM8993_DC_SERVO_3, dcs_cfg);
148 		wait_for_dc_servo(codec,
149 				  WM8993_DCS_TRIG_DAC_WR_0 |
150 				  WM8993_DCS_TRIG_DAC_WR_1);
151 	}
152 }
153 
154 /*
155  * Update the DC servo calibration on gain changes
156  */
157 static int wm8993_put_dc_servo(struct snd_kcontrol *kcontrol,
158 			       struct snd_ctl_elem_value *ucontrol)
159 {
160 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
161 	struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
162 	int ret;
163 
164 	ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
165 
166 	/* If we're applying an offset correction then updating the
167 	 * callibration would be likely to introduce further offsets. */
168 	if (hubs->dcs_codes)
169 		return ret;
170 
171 	/* Only need to do this if the outputs are active */
172 	if (snd_soc_read(codec, WM8993_POWER_MANAGEMENT_1)
173 	    & (WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA))
174 		snd_soc_update_bits(codec,
175 				    WM8993_DC_SERVO_0,
176 				    WM8993_DCS_TRIG_SINGLE_0 |
177 				    WM8993_DCS_TRIG_SINGLE_1,
178 				    WM8993_DCS_TRIG_SINGLE_0 |
179 				    WM8993_DCS_TRIG_SINGLE_1);
180 
181 	return ret;
182 }
183 
184 static const struct snd_kcontrol_new analogue_snd_controls[] = {
185 SOC_SINGLE_TLV("IN1L Volume", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 0, 31, 0,
186 	       inpga_tlv),
187 SOC_SINGLE("IN1L Switch", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 7, 1, 1),
188 SOC_SINGLE("IN1L ZC Switch", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 7, 1, 0),
189 
190 SOC_SINGLE_TLV("IN1R Volume", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 0, 31, 0,
191 	       inpga_tlv),
192 SOC_SINGLE("IN1R Switch", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 7, 1, 1),
193 SOC_SINGLE("IN1R ZC Switch", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 7, 1, 0),
194 
195 
196 SOC_SINGLE_TLV("IN2L Volume", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 0, 31, 0,
197 	       inpga_tlv),
198 SOC_SINGLE("IN2L Switch", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 7, 1, 1),
199 SOC_SINGLE("IN2L ZC Switch", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 7, 1, 0),
200 
201 SOC_SINGLE_TLV("IN2R Volume", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 0, 31, 0,
202 	       inpga_tlv),
203 SOC_SINGLE("IN2R Switch", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 7, 1, 1),
204 SOC_SINGLE("IN2R ZC Switch", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 7, 1, 0),
205 
206 SOC_SINGLE_TLV("MIXINL IN2L Volume", WM8993_INPUT_MIXER3, 7, 1, 0,
207 	       inmix_sw_tlv),
208 SOC_SINGLE_TLV("MIXINL IN1L Volume", WM8993_INPUT_MIXER3, 4, 1, 0,
209 	       inmix_sw_tlv),
210 SOC_SINGLE_TLV("MIXINL Output Record Volume", WM8993_INPUT_MIXER3, 0, 7, 0,
211 	       inmix_tlv),
212 SOC_SINGLE_TLV("MIXINL IN1LP Volume", WM8993_INPUT_MIXER5, 6, 7, 0, inmix_tlv),
213 SOC_SINGLE_TLV("MIXINL Direct Voice Volume", WM8993_INPUT_MIXER5, 0, 6, 0,
214 	       inmix_tlv),
215 
216 SOC_SINGLE_TLV("MIXINR IN2R Volume", WM8993_INPUT_MIXER4, 7, 1, 0,
217 	       inmix_sw_tlv),
218 SOC_SINGLE_TLV("MIXINR IN1R Volume", WM8993_INPUT_MIXER4, 4, 1, 0,
219 	       inmix_sw_tlv),
220 SOC_SINGLE_TLV("MIXINR Output Record Volume", WM8993_INPUT_MIXER4, 0, 7, 0,
221 	       inmix_tlv),
222 SOC_SINGLE_TLV("MIXINR IN1RP Volume", WM8993_INPUT_MIXER6, 6, 7, 0, inmix_tlv),
223 SOC_SINGLE_TLV("MIXINR Direct Voice Volume", WM8993_INPUT_MIXER6, 0, 6, 0,
224 	       inmix_tlv),
225 
226 SOC_SINGLE_TLV("Left Output Mixer IN2RN Volume", WM8993_OUTPUT_MIXER5, 6, 7, 1,
227 	       outmix_tlv),
228 SOC_SINGLE_TLV("Left Output Mixer IN2LN Volume", WM8993_OUTPUT_MIXER3, 6, 7, 1,
229 	       outmix_tlv),
230 SOC_SINGLE_TLV("Left Output Mixer IN2LP Volume", WM8993_OUTPUT_MIXER3, 9, 7, 1,
231 	       outmix_tlv),
232 SOC_SINGLE_TLV("Left Output Mixer IN1L Volume", WM8993_OUTPUT_MIXER3, 0, 7, 1,
233 	       outmix_tlv),
234 SOC_SINGLE_TLV("Left Output Mixer IN1R Volume", WM8993_OUTPUT_MIXER3, 3, 7, 1,
235 	       outmix_tlv),
236 SOC_SINGLE_TLV("Left Output Mixer Right Input Volume",
237 	       WM8993_OUTPUT_MIXER5, 3, 7, 1, outmix_tlv),
238 SOC_SINGLE_TLV("Left Output Mixer Left Input Volume",
239 	       WM8993_OUTPUT_MIXER5, 0, 7, 1, outmix_tlv),
240 SOC_SINGLE_TLV("Left Output Mixer DAC Volume", WM8993_OUTPUT_MIXER5, 9, 7, 1,
241 	       outmix_tlv),
242 
243 SOC_SINGLE_TLV("Right Output Mixer IN2LN Volume",
244 	       WM8993_OUTPUT_MIXER6, 6, 7, 1, outmix_tlv),
245 SOC_SINGLE_TLV("Right Output Mixer IN2RN Volume",
246 	       WM8993_OUTPUT_MIXER4, 6, 7, 1, outmix_tlv),
247 SOC_SINGLE_TLV("Right Output Mixer IN1L Volume",
248 	       WM8993_OUTPUT_MIXER4, 3, 7, 1, outmix_tlv),
249 SOC_SINGLE_TLV("Right Output Mixer IN1R Volume",
250 	       WM8993_OUTPUT_MIXER4, 0, 7, 1, outmix_tlv),
251 SOC_SINGLE_TLV("Right Output Mixer IN2RP Volume",
252 	       WM8993_OUTPUT_MIXER4, 9, 7, 1, outmix_tlv),
253 SOC_SINGLE_TLV("Right Output Mixer Left Input Volume",
254 	       WM8993_OUTPUT_MIXER6, 3, 7, 1, outmix_tlv),
255 SOC_SINGLE_TLV("Right Output Mixer Right Input Volume",
256 	       WM8993_OUTPUT_MIXER6, 6, 7, 1, outmix_tlv),
257 SOC_SINGLE_TLV("Right Output Mixer DAC Volume",
258 	       WM8993_OUTPUT_MIXER6, 9, 7, 1, outmix_tlv),
259 
260 SOC_DOUBLE_R_TLV("Output Volume", WM8993_LEFT_OPGA_VOLUME,
261 		 WM8993_RIGHT_OPGA_VOLUME, 0, 63, 0, outpga_tlv),
262 SOC_DOUBLE_R("Output Switch", WM8993_LEFT_OPGA_VOLUME,
263 	     WM8993_RIGHT_OPGA_VOLUME, 6, 1, 0),
264 SOC_DOUBLE_R("Output ZC Switch", WM8993_LEFT_OPGA_VOLUME,
265 	     WM8993_RIGHT_OPGA_VOLUME, 7, 1, 0),
266 
267 SOC_SINGLE("Earpiece Switch", WM8993_HPOUT2_VOLUME, 5, 1, 1),
268 SOC_SINGLE_TLV("Earpiece Volume", WM8993_HPOUT2_VOLUME, 4, 1, 1, earpiece_tlv),
269 
270 SOC_SINGLE_TLV("SPKL Input Volume", WM8993_SPKMIXL_ATTENUATION,
271 	       5, 1, 1, wm_hubs_spkmix_tlv),
272 SOC_SINGLE_TLV("SPKL IN1LP Volume", WM8993_SPKMIXL_ATTENUATION,
273 	       4, 1, 1, wm_hubs_spkmix_tlv),
274 SOC_SINGLE_TLV("SPKL Output Volume", WM8993_SPKMIXL_ATTENUATION,
275 	       3, 1, 1, wm_hubs_spkmix_tlv),
276 
277 SOC_SINGLE_TLV("SPKR Input Volume", WM8993_SPKMIXR_ATTENUATION,
278 	       5, 1, 1, wm_hubs_spkmix_tlv),
279 SOC_SINGLE_TLV("SPKR IN1RP Volume", WM8993_SPKMIXR_ATTENUATION,
280 	       4, 1, 1, wm_hubs_spkmix_tlv),
281 SOC_SINGLE_TLV("SPKR Output Volume", WM8993_SPKMIXR_ATTENUATION,
282 	       3, 1, 1, wm_hubs_spkmix_tlv),
283 
284 SOC_DOUBLE_R_TLV("Speaker Mixer Volume",
285 		 WM8993_SPKMIXL_ATTENUATION, WM8993_SPKMIXR_ATTENUATION,
286 		 0, 3, 1, spkmixout_tlv),
287 SOC_DOUBLE_R_TLV("Speaker Volume",
288 		 WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
289 		 0, 63, 0, outpga_tlv),
290 SOC_DOUBLE_R("Speaker Switch",
291 	     WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
292 	     6, 1, 0),
293 SOC_DOUBLE_R("Speaker ZC Switch",
294 	     WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
295 	     7, 1, 0),
296 SOC_DOUBLE_TLV("Speaker Boost Volume", WM8993_SPKOUT_BOOST, 3, 0, 7, 0,
297 	       spkboost_tlv),
298 SOC_ENUM("Speaker Reference", speaker_ref),
299 SOC_ENUM("Speaker Mode", speaker_mode),
300 
301 {
302 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Headphone Volume",
303 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |
304 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,
305 	.tlv.p = outpga_tlv,
306 	.info = snd_soc_info_volsw_2r,
307 	.get = snd_soc_get_volsw_2r, .put = wm8993_put_dc_servo,
308 	.private_value = (unsigned long)&(struct soc_mixer_control) {
309 		.reg = WM8993_LEFT_OUTPUT_VOLUME,
310 		.rreg = WM8993_RIGHT_OUTPUT_VOLUME,
311 		.shift = 0, .max = 63
312 	},
313 },
314 SOC_DOUBLE_R("Headphone Switch", WM8993_LEFT_OUTPUT_VOLUME,
315 	     WM8993_RIGHT_OUTPUT_VOLUME, 6, 1, 0),
316 SOC_DOUBLE_R("Headphone ZC Switch", WM8993_LEFT_OUTPUT_VOLUME,
317 	     WM8993_RIGHT_OUTPUT_VOLUME, 7, 1, 0),
318 
319 SOC_SINGLE("LINEOUT1N Switch", WM8993_LINE_OUTPUTS_VOLUME, 6, 1, 1),
320 SOC_SINGLE("LINEOUT1P Switch", WM8993_LINE_OUTPUTS_VOLUME, 5, 1, 1),
321 SOC_SINGLE_TLV("LINEOUT1 Volume", WM8993_LINE_OUTPUTS_VOLUME, 4, 1, 1,
322 	       line_tlv),
323 
324 SOC_SINGLE("LINEOUT2N Switch", WM8993_LINE_OUTPUTS_VOLUME, 2, 1, 1),
325 SOC_SINGLE("LINEOUT2P Switch", WM8993_LINE_OUTPUTS_VOLUME, 1, 1, 1),
326 SOC_SINGLE_TLV("LINEOUT2 Volume", WM8993_LINE_OUTPUTS_VOLUME, 0, 1, 1,
327 	       line_tlv),
328 };
329 
330 static int hp_supply_event(struct snd_soc_dapm_widget *w,
331 			   struct snd_kcontrol *kcontrol, int event)
332 {
333 	struct snd_soc_codec *codec = w->codec;
334 	struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
335 
336 	switch (event) {
337 	case SND_SOC_DAPM_PRE_PMU:
338 		switch (hubs->hp_startup_mode) {
339 		case 0:
340 			break;
341 		case 1:
342 			/* Enable the headphone amp */
343 			snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
344 					    WM8993_HPOUT1L_ENA |
345 					    WM8993_HPOUT1R_ENA,
346 					    WM8993_HPOUT1L_ENA |
347 					    WM8993_HPOUT1R_ENA);
348 
349 			/* Enable the second stage */
350 			snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
351 					    WM8993_HPOUT1L_DLY |
352 					    WM8993_HPOUT1R_DLY,
353 					    WM8993_HPOUT1L_DLY |
354 					    WM8993_HPOUT1R_DLY);
355 			break;
356 		default:
357 			dev_err(codec->dev, "Unknown HP startup mode %d\n",
358 				hubs->hp_startup_mode);
359 			break;
360 		}
361 
362 	case SND_SOC_DAPM_PRE_PMD:
363 		snd_soc_update_bits(codec, WM8993_CHARGE_PUMP_1,
364 				    WM8993_CP_ENA, 0);
365 		break;
366 	}
367 
368 	return 0;
369 }
370 
371 static int hp_event(struct snd_soc_dapm_widget *w,
372 		    struct snd_kcontrol *kcontrol, int event)
373 {
374 	struct snd_soc_codec *codec = w->codec;
375 	unsigned int reg = snd_soc_read(codec, WM8993_ANALOGUE_HP_0);
376 
377 	switch (event) {
378 	case SND_SOC_DAPM_POST_PMU:
379 		snd_soc_update_bits(codec, WM8993_CHARGE_PUMP_1,
380 				    WM8993_CP_ENA, WM8993_CP_ENA);
381 
382 		msleep(5);
383 
384 		snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
385 				    WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA,
386 				    WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA);
387 
388 		reg |= WM8993_HPOUT1L_DLY | WM8993_HPOUT1R_DLY;
389 		snd_soc_write(codec, WM8993_ANALOGUE_HP_0, reg);
390 
391 		/* Smallest supported update interval */
392 		snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
393 				    WM8993_DCS_TIMER_PERIOD_01_MASK, 1);
394 
395 		calibrate_dc_servo(codec);
396 
397 		reg |= WM8993_HPOUT1R_OUTP | WM8993_HPOUT1R_RMV_SHORT |
398 			WM8993_HPOUT1L_OUTP | WM8993_HPOUT1L_RMV_SHORT;
399 		snd_soc_write(codec, WM8993_ANALOGUE_HP_0, reg);
400 		break;
401 
402 	case SND_SOC_DAPM_PRE_PMD:
403 		snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
404 				    WM8993_HPOUT1L_OUTP |
405 				    WM8993_HPOUT1R_OUTP |
406 				    WM8993_HPOUT1L_RMV_SHORT |
407 				    WM8993_HPOUT1R_RMV_SHORT, 0);
408 
409 		snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
410 				    WM8993_HPOUT1L_DLY |
411 				    WM8993_HPOUT1R_DLY, 0);
412 
413 		snd_soc_write(codec, WM8993_DC_SERVO_0, 0);
414 
415 		snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
416 				    WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA,
417 				    0);
418 		break;
419 	}
420 
421 	return 0;
422 }
423 
424 static int earpiece_event(struct snd_soc_dapm_widget *w,
425 			  struct snd_kcontrol *control, int event)
426 {
427 	struct snd_soc_codec *codec = w->codec;
428 	u16 reg = snd_soc_read(codec, WM8993_ANTIPOP1) & ~WM8993_HPOUT2_IN_ENA;
429 
430 	switch (event) {
431 	case SND_SOC_DAPM_PRE_PMU:
432 		reg |= WM8993_HPOUT2_IN_ENA;
433 		snd_soc_write(codec, WM8993_ANTIPOP1, reg);
434 		udelay(50);
435 		break;
436 
437 	case SND_SOC_DAPM_POST_PMD:
438 		snd_soc_write(codec, WM8993_ANTIPOP1, reg);
439 		break;
440 
441 	default:
442 		BUG();
443 		break;
444 	}
445 
446 	return 0;
447 }
448 
449 static const struct snd_kcontrol_new in1l_pga[] = {
450 SOC_DAPM_SINGLE("IN1LP Switch", WM8993_INPUT_MIXER2, 5, 1, 0),
451 SOC_DAPM_SINGLE("IN1LN Switch", WM8993_INPUT_MIXER2, 4, 1, 0),
452 };
453 
454 static const struct snd_kcontrol_new in1r_pga[] = {
455 SOC_DAPM_SINGLE("IN1RP Switch", WM8993_INPUT_MIXER2, 1, 1, 0),
456 SOC_DAPM_SINGLE("IN1RN Switch", WM8993_INPUT_MIXER2, 0, 1, 0),
457 };
458 
459 static const struct snd_kcontrol_new in2l_pga[] = {
460 SOC_DAPM_SINGLE("IN2LP Switch", WM8993_INPUT_MIXER2, 7, 1, 0),
461 SOC_DAPM_SINGLE("IN2LN Switch", WM8993_INPUT_MIXER2, 6, 1, 0),
462 };
463 
464 static const struct snd_kcontrol_new in2r_pga[] = {
465 SOC_DAPM_SINGLE("IN2RP Switch", WM8993_INPUT_MIXER2, 3, 1, 0),
466 SOC_DAPM_SINGLE("IN2RN Switch", WM8993_INPUT_MIXER2, 2, 1, 0),
467 };
468 
469 static const struct snd_kcontrol_new mixinl[] = {
470 SOC_DAPM_SINGLE("IN2L Switch", WM8993_INPUT_MIXER3, 8, 1, 0),
471 SOC_DAPM_SINGLE("IN1L Switch", WM8993_INPUT_MIXER3, 5, 1, 0),
472 };
473 
474 static const struct snd_kcontrol_new mixinr[] = {
475 SOC_DAPM_SINGLE("IN2R Switch", WM8993_INPUT_MIXER4, 8, 1, 0),
476 SOC_DAPM_SINGLE("IN1R Switch", WM8993_INPUT_MIXER4, 5, 1, 0),
477 };
478 
479 static const struct snd_kcontrol_new left_output_mixer[] = {
480 SOC_DAPM_SINGLE("Right Input Switch", WM8993_OUTPUT_MIXER1, 7, 1, 0),
481 SOC_DAPM_SINGLE("Left Input Switch", WM8993_OUTPUT_MIXER1, 6, 1, 0),
482 SOC_DAPM_SINGLE("IN2RN Switch", WM8993_OUTPUT_MIXER1, 5, 1, 0),
483 SOC_DAPM_SINGLE("IN2LN Switch", WM8993_OUTPUT_MIXER1, 4, 1, 0),
484 SOC_DAPM_SINGLE("IN2LP Switch", WM8993_OUTPUT_MIXER1, 1, 1, 0),
485 SOC_DAPM_SINGLE("IN1R Switch", WM8993_OUTPUT_MIXER1, 3, 1, 0),
486 SOC_DAPM_SINGLE("IN1L Switch", WM8993_OUTPUT_MIXER1, 2, 1, 0),
487 SOC_DAPM_SINGLE("DAC Switch", WM8993_OUTPUT_MIXER1, 0, 1, 0),
488 };
489 
490 static const struct snd_kcontrol_new right_output_mixer[] = {
491 SOC_DAPM_SINGLE("Left Input Switch", WM8993_OUTPUT_MIXER2, 7, 1, 0),
492 SOC_DAPM_SINGLE("Right Input Switch", WM8993_OUTPUT_MIXER2, 6, 1, 0),
493 SOC_DAPM_SINGLE("IN2LN Switch", WM8993_OUTPUT_MIXER2, 5, 1, 0),
494 SOC_DAPM_SINGLE("IN2RN Switch", WM8993_OUTPUT_MIXER2, 4, 1, 0),
495 SOC_DAPM_SINGLE("IN1L Switch", WM8993_OUTPUT_MIXER2, 3, 1, 0),
496 SOC_DAPM_SINGLE("IN1R Switch", WM8993_OUTPUT_MIXER2, 2, 1, 0),
497 SOC_DAPM_SINGLE("IN2RP Switch", WM8993_OUTPUT_MIXER2, 1, 1, 0),
498 SOC_DAPM_SINGLE("DAC Switch", WM8993_OUTPUT_MIXER2, 0, 1, 0),
499 };
500 
501 static const struct snd_kcontrol_new earpiece_mixer[] = {
502 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_HPOUT2_MIXER, 5, 1, 0),
503 SOC_DAPM_SINGLE("Left Output Switch", WM8993_HPOUT2_MIXER, 4, 1, 0),
504 SOC_DAPM_SINGLE("Right Output Switch", WM8993_HPOUT2_MIXER, 3, 1, 0),
505 };
506 
507 static const struct snd_kcontrol_new left_speaker_boost[] = {
508 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_SPKOUT_MIXERS, 5, 1, 0),
509 SOC_DAPM_SINGLE("SPKL Switch", WM8993_SPKOUT_MIXERS, 4, 1, 0),
510 SOC_DAPM_SINGLE("SPKR Switch", WM8993_SPKOUT_MIXERS, 3, 1, 0),
511 };
512 
513 static const struct snd_kcontrol_new right_speaker_boost[] = {
514 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_SPKOUT_MIXERS, 2, 1, 0),
515 SOC_DAPM_SINGLE("SPKL Switch", WM8993_SPKOUT_MIXERS, 1, 1, 0),
516 SOC_DAPM_SINGLE("SPKR Switch", WM8993_SPKOUT_MIXERS, 0, 1, 0),
517 };
518 
519 static const struct snd_kcontrol_new line1_mix[] = {
520 SOC_DAPM_SINGLE("IN1R Switch", WM8993_LINE_MIXER1, 2, 1, 0),
521 SOC_DAPM_SINGLE("IN1L Switch", WM8993_LINE_MIXER1, 1, 1, 0),
522 SOC_DAPM_SINGLE("Output Switch", WM8993_LINE_MIXER1, 0, 1, 0),
523 };
524 
525 static const struct snd_kcontrol_new line1n_mix[] = {
526 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER1, 6, 1, 0),
527 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER1, 5, 1, 0),
528 };
529 
530 static const struct snd_kcontrol_new line1p_mix[] = {
531 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER1, 0, 1, 0),
532 };
533 
534 static const struct snd_kcontrol_new line2_mix[] = {
535 SOC_DAPM_SINGLE("IN2R Switch", WM8993_LINE_MIXER2, 2, 1, 0),
536 SOC_DAPM_SINGLE("IN2L Switch", WM8993_LINE_MIXER2, 1, 1, 0),
537 SOC_DAPM_SINGLE("Output Switch", WM8993_LINE_MIXER2, 0, 1, 0),
538 };
539 
540 static const struct snd_kcontrol_new line2n_mix[] = {
541 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER2, 6, 1, 0),
542 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER2, 5, 1, 0),
543 };
544 
545 static const struct snd_kcontrol_new line2p_mix[] = {
546 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER2, 0, 1, 0),
547 };
548 
549 static const struct snd_soc_dapm_widget analogue_dapm_widgets[] = {
550 SND_SOC_DAPM_INPUT("IN1LN"),
551 SND_SOC_DAPM_INPUT("IN1LP"),
552 SND_SOC_DAPM_INPUT("IN2LN"),
553 SND_SOC_DAPM_INPUT("IN2LP:VXRN"),
554 SND_SOC_DAPM_INPUT("IN1RN"),
555 SND_SOC_DAPM_INPUT("IN1RP"),
556 SND_SOC_DAPM_INPUT("IN2RN"),
557 SND_SOC_DAPM_INPUT("IN2RP:VXRP"),
558 
559 SND_SOC_DAPM_MICBIAS("MICBIAS2", WM8993_POWER_MANAGEMENT_1, 5, 0),
560 SND_SOC_DAPM_MICBIAS("MICBIAS1", WM8993_POWER_MANAGEMENT_1, 4, 0),
561 
562 SND_SOC_DAPM_MIXER("IN1L PGA", WM8993_POWER_MANAGEMENT_2, 6, 0,
563 		   in1l_pga, ARRAY_SIZE(in1l_pga)),
564 SND_SOC_DAPM_MIXER("IN1R PGA", WM8993_POWER_MANAGEMENT_2, 4, 0,
565 		   in1r_pga, ARRAY_SIZE(in1r_pga)),
566 
567 SND_SOC_DAPM_MIXER("IN2L PGA", WM8993_POWER_MANAGEMENT_2, 7, 0,
568 		   in2l_pga, ARRAY_SIZE(in2l_pga)),
569 SND_SOC_DAPM_MIXER("IN2R PGA", WM8993_POWER_MANAGEMENT_2, 5, 0,
570 		   in2r_pga, ARRAY_SIZE(in2r_pga)),
571 
572 /* Dummy widgets to represent differential paths */
573 SND_SOC_DAPM_PGA("Direct Voice", SND_SOC_NOPM, 0, 0, NULL, 0),
574 
575 SND_SOC_DAPM_MIXER("MIXINL", WM8993_POWER_MANAGEMENT_2, 9, 0,
576 		   mixinl, ARRAY_SIZE(mixinl)),
577 SND_SOC_DAPM_MIXER("MIXINR", WM8993_POWER_MANAGEMENT_2, 8, 0,
578 		   mixinr, ARRAY_SIZE(mixinr)),
579 
580 SND_SOC_DAPM_MIXER("Left Output Mixer", WM8993_POWER_MANAGEMENT_3, 5, 0,
581 		   left_output_mixer, ARRAY_SIZE(left_output_mixer)),
582 SND_SOC_DAPM_MIXER("Right Output Mixer", WM8993_POWER_MANAGEMENT_3, 4, 0,
583 		   right_output_mixer, ARRAY_SIZE(right_output_mixer)),
584 
585 SND_SOC_DAPM_PGA("Left Output PGA", WM8993_POWER_MANAGEMENT_3, 7, 0, NULL, 0),
586 SND_SOC_DAPM_PGA("Right Output PGA", WM8993_POWER_MANAGEMENT_3, 6, 0, NULL, 0),
587 
588 SND_SOC_DAPM_SUPPLY("Headphone Supply", SND_SOC_NOPM, 0, 0, hp_supply_event,
589 		    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
590 SND_SOC_DAPM_PGA_E("Headphone PGA", SND_SOC_NOPM, 0, 0,
591 		   NULL, 0,
592 		   hp_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
593 
594 SND_SOC_DAPM_MIXER("Earpiece Mixer", SND_SOC_NOPM, 0, 0,
595 		   earpiece_mixer, ARRAY_SIZE(earpiece_mixer)),
596 SND_SOC_DAPM_PGA_E("Earpiece Driver", WM8993_POWER_MANAGEMENT_1, 11, 0,
597 		   NULL, 0, earpiece_event,
598 		   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
599 
600 SND_SOC_DAPM_MIXER("SPKL Boost", SND_SOC_NOPM, 0, 0,
601 		   left_speaker_boost, ARRAY_SIZE(left_speaker_boost)),
602 SND_SOC_DAPM_MIXER("SPKR Boost", SND_SOC_NOPM, 0, 0,
603 		   right_speaker_boost, ARRAY_SIZE(right_speaker_boost)),
604 
605 SND_SOC_DAPM_PGA("SPKL Driver", WM8993_POWER_MANAGEMENT_1, 12, 0,
606 		 NULL, 0),
607 SND_SOC_DAPM_PGA("SPKR Driver", WM8993_POWER_MANAGEMENT_1, 13, 0,
608 		 NULL, 0),
609 
610 SND_SOC_DAPM_MIXER("LINEOUT1 Mixer", SND_SOC_NOPM, 0, 0,
611 		   line1_mix, ARRAY_SIZE(line1_mix)),
612 SND_SOC_DAPM_MIXER("LINEOUT2 Mixer", SND_SOC_NOPM, 0, 0,
613 		   line2_mix, ARRAY_SIZE(line2_mix)),
614 
615 SND_SOC_DAPM_MIXER("LINEOUT1N Mixer", SND_SOC_NOPM, 0, 0,
616 		   line1n_mix, ARRAY_SIZE(line1n_mix)),
617 SND_SOC_DAPM_MIXER("LINEOUT1P Mixer", SND_SOC_NOPM, 0, 0,
618 		   line1p_mix, ARRAY_SIZE(line1p_mix)),
619 SND_SOC_DAPM_MIXER("LINEOUT2N Mixer", SND_SOC_NOPM, 0, 0,
620 		   line2n_mix, ARRAY_SIZE(line2n_mix)),
621 SND_SOC_DAPM_MIXER("LINEOUT2P Mixer", SND_SOC_NOPM, 0, 0,
622 		   line2p_mix, ARRAY_SIZE(line2p_mix)),
623 
624 SND_SOC_DAPM_PGA("LINEOUT1N Driver", WM8993_POWER_MANAGEMENT_3, 13, 0,
625 		 NULL, 0),
626 SND_SOC_DAPM_PGA("LINEOUT1P Driver", WM8993_POWER_MANAGEMENT_3, 12, 0,
627 		 NULL, 0),
628 SND_SOC_DAPM_PGA("LINEOUT2N Driver", WM8993_POWER_MANAGEMENT_3, 11, 0,
629 		 NULL, 0),
630 SND_SOC_DAPM_PGA("LINEOUT2P Driver", WM8993_POWER_MANAGEMENT_3, 10, 0,
631 		 NULL, 0),
632 
633 SND_SOC_DAPM_OUTPUT("SPKOUTLP"),
634 SND_SOC_DAPM_OUTPUT("SPKOUTLN"),
635 SND_SOC_DAPM_OUTPUT("SPKOUTRP"),
636 SND_SOC_DAPM_OUTPUT("SPKOUTRN"),
637 SND_SOC_DAPM_OUTPUT("HPOUT1L"),
638 SND_SOC_DAPM_OUTPUT("HPOUT1R"),
639 SND_SOC_DAPM_OUTPUT("HPOUT2P"),
640 SND_SOC_DAPM_OUTPUT("HPOUT2N"),
641 SND_SOC_DAPM_OUTPUT("LINEOUT1P"),
642 SND_SOC_DAPM_OUTPUT("LINEOUT1N"),
643 SND_SOC_DAPM_OUTPUT("LINEOUT2P"),
644 SND_SOC_DAPM_OUTPUT("LINEOUT2N"),
645 };
646 
647 static const struct snd_soc_dapm_route analogue_routes[] = {
648 	{ "IN1L PGA", "IN1LP Switch", "IN1LP" },
649 	{ "IN1L PGA", "IN1LN Switch", "IN1LN" },
650 
651 	{ "IN1R PGA", "IN1RP Switch", "IN1RP" },
652 	{ "IN1R PGA", "IN1RN Switch", "IN1RN" },
653 
654 	{ "IN2L PGA", "IN2LP Switch", "IN2LP:VXRN" },
655 	{ "IN2L PGA", "IN2LN Switch", "IN2LN" },
656 
657 	{ "IN2R PGA", "IN2RP Switch", "IN2RP:VXRP" },
658 	{ "IN2R PGA", "IN2RN Switch", "IN2RN" },
659 
660 	{ "Direct Voice", NULL, "IN2LP:VXRN" },
661 	{ "Direct Voice", NULL, "IN2RP:VXRP" },
662 
663 	{ "MIXINL", "IN1L Switch", "IN1L PGA" },
664 	{ "MIXINL", "IN2L Switch", "IN2L PGA" },
665 	{ "MIXINL", NULL, "Direct Voice" },
666 	{ "MIXINL", NULL, "IN1LP" },
667 	{ "MIXINL", NULL, "Left Output Mixer" },
668 
669 	{ "MIXINR", "IN1R Switch", "IN1R PGA" },
670 	{ "MIXINR", "IN2R Switch", "IN2R PGA" },
671 	{ "MIXINR", NULL, "Direct Voice" },
672 	{ "MIXINR", NULL, "IN1RP" },
673 	{ "MIXINR", NULL, "Right Output Mixer" },
674 
675 	{ "ADCL", NULL, "MIXINL" },
676 	{ "ADCR", NULL, "MIXINR" },
677 
678 	{ "Left Output Mixer", "Left Input Switch", "MIXINL" },
679 	{ "Left Output Mixer", "Right Input Switch", "MIXINR" },
680 	{ "Left Output Mixer", "IN2RN Switch", "IN2RN" },
681 	{ "Left Output Mixer", "IN2LN Switch", "IN2LN" },
682 	{ "Left Output Mixer", "IN2LP Switch", "IN2LP:VXRN" },
683 	{ "Left Output Mixer", "IN1L Switch", "IN1L PGA" },
684 	{ "Left Output Mixer", "IN1R Switch", "IN1R PGA" },
685 
686 	{ "Right Output Mixer", "Left Input Switch", "MIXINL" },
687 	{ "Right Output Mixer", "Right Input Switch", "MIXINR" },
688 	{ "Right Output Mixer", "IN2LN Switch", "IN2LN" },
689 	{ "Right Output Mixer", "IN2RN Switch", "IN2RN" },
690 	{ "Right Output Mixer", "IN2RP Switch", "IN2RP:VXRP" },
691 	{ "Right Output Mixer", "IN1L Switch", "IN1L PGA" },
692 	{ "Right Output Mixer", "IN1R Switch", "IN1R PGA" },
693 
694 	{ "Left Output PGA", NULL, "Left Output Mixer" },
695 	{ "Left Output PGA", NULL, "TOCLK" },
696 
697 	{ "Right Output PGA", NULL, "Right Output Mixer" },
698 	{ "Right Output PGA", NULL, "TOCLK" },
699 
700 	{ "Earpiece Mixer", "Direct Voice Switch", "Direct Voice" },
701 	{ "Earpiece Mixer", "Left Output Switch", "Left Output PGA" },
702 	{ "Earpiece Mixer", "Right Output Switch", "Right Output PGA" },
703 
704 	{ "Earpiece Driver", NULL, "Earpiece Mixer" },
705 	{ "HPOUT2N", NULL, "Earpiece Driver" },
706 	{ "HPOUT2P", NULL, "Earpiece Driver" },
707 
708 	{ "SPKL", "Input Switch", "MIXINL" },
709 	{ "SPKL", "IN1LP Switch", "IN1LP" },
710 	{ "SPKL", "Output Switch", "Left Output Mixer" },
711 	{ "SPKL", NULL, "TOCLK" },
712 
713 	{ "SPKR", "Input Switch", "MIXINR" },
714 	{ "SPKR", "IN1RP Switch", "IN1RP" },
715 	{ "SPKR", "Output Switch", "Right Output Mixer" },
716 	{ "SPKR", NULL, "TOCLK" },
717 
718 	{ "SPKL Boost", "Direct Voice Switch", "Direct Voice" },
719 	{ "SPKL Boost", "SPKL Switch", "SPKL" },
720 	{ "SPKL Boost", "SPKR Switch", "SPKR" },
721 
722 	{ "SPKR Boost", "Direct Voice Switch", "Direct Voice" },
723 	{ "SPKR Boost", "SPKR Switch", "SPKR" },
724 	{ "SPKR Boost", "SPKL Switch", "SPKL" },
725 
726 	{ "SPKL Driver", NULL, "SPKL Boost" },
727 	{ "SPKL Driver", NULL, "CLK_SYS" },
728 
729 	{ "SPKR Driver", NULL, "SPKR Boost" },
730 	{ "SPKR Driver", NULL, "CLK_SYS" },
731 
732 	{ "SPKOUTLP", NULL, "SPKL Driver" },
733 	{ "SPKOUTLN", NULL, "SPKL Driver" },
734 	{ "SPKOUTRP", NULL, "SPKR Driver" },
735 	{ "SPKOUTRN", NULL, "SPKR Driver" },
736 
737 	{ "Left Headphone Mux", "Mixer", "Left Output Mixer" },
738 	{ "Right Headphone Mux", "Mixer", "Right Output Mixer" },
739 
740 	{ "Headphone PGA", NULL, "Left Headphone Mux" },
741 	{ "Headphone PGA", NULL, "Right Headphone Mux" },
742 	{ "Headphone PGA", NULL, "CLK_SYS" },
743 	{ "Headphone PGA", NULL, "Headphone Supply" },
744 
745 	{ "HPOUT1L", NULL, "Headphone PGA" },
746 	{ "HPOUT1R", NULL, "Headphone PGA" },
747 
748 	{ "LINEOUT1N", NULL, "LINEOUT1N Driver" },
749 	{ "LINEOUT1P", NULL, "LINEOUT1P Driver" },
750 	{ "LINEOUT2N", NULL, "LINEOUT2N Driver" },
751 	{ "LINEOUT2P", NULL, "LINEOUT2P Driver" },
752 };
753 
754 static const struct snd_soc_dapm_route lineout1_diff_routes[] = {
755 	{ "LINEOUT1 Mixer", "IN1L Switch", "IN1L PGA" },
756 	{ "LINEOUT1 Mixer", "IN1R Switch", "IN1R PGA" },
757 	{ "LINEOUT1 Mixer", "Output Switch", "Left Output Mixer" },
758 
759 	{ "LINEOUT1N Driver", NULL, "LINEOUT1 Mixer" },
760 	{ "LINEOUT1P Driver", NULL, "LINEOUT1 Mixer" },
761 };
762 
763 static const struct snd_soc_dapm_route lineout1_se_routes[] = {
764 	{ "LINEOUT1N Mixer", "Left Output Switch", "Left Output Mixer" },
765 	{ "LINEOUT1N Mixer", "Right Output Switch", "Left Output Mixer" },
766 
767 	{ "LINEOUT1P Mixer", "Left Output Switch", "Left Output Mixer" },
768 
769 	{ "LINEOUT1N Driver", NULL, "LINEOUT1N Mixer" },
770 	{ "LINEOUT1P Driver", NULL, "LINEOUT1P Mixer" },
771 };
772 
773 static const struct snd_soc_dapm_route lineout2_diff_routes[] = {
774 	{ "LINEOUT2 Mixer", "IN2L Switch", "IN2L PGA" },
775 	{ "LINEOUT2 Mixer", "IN2R Switch", "IN2R PGA" },
776 	{ "LINEOUT2 Mixer", "Output Switch", "Right Output Mixer" },
777 
778 	{ "LINEOUT2N Driver", NULL, "LINEOUT2 Mixer" },
779 	{ "LINEOUT2P Driver", NULL, "LINEOUT2 Mixer" },
780 };
781 
782 static const struct snd_soc_dapm_route lineout2_se_routes[] = {
783 	{ "LINEOUT2N Mixer", "Left Output Switch", "Left Output Mixer" },
784 	{ "LINEOUT2N Mixer", "Right Output Switch", "Left Output Mixer" },
785 
786 	{ "LINEOUT2P Mixer", "Right Output Switch", "Right Output Mixer" },
787 
788 	{ "LINEOUT2N Driver", NULL, "LINEOUT2N Mixer" },
789 	{ "LINEOUT2P Driver", NULL, "LINEOUT2P Mixer" },
790 };
791 
792 int wm_hubs_add_analogue_controls(struct snd_soc_codec *codec)
793 {
794 	/* Latch volume update bits & default ZC on */
795 	snd_soc_update_bits(codec, WM8993_LEFT_LINE_INPUT_1_2_VOLUME,
796 			    WM8993_IN1_VU, WM8993_IN1_VU);
797 	snd_soc_update_bits(codec, WM8993_RIGHT_LINE_INPUT_1_2_VOLUME,
798 			    WM8993_IN1_VU, WM8993_IN1_VU);
799 	snd_soc_update_bits(codec, WM8993_LEFT_LINE_INPUT_3_4_VOLUME,
800 			    WM8993_IN2_VU, WM8993_IN2_VU);
801 	snd_soc_update_bits(codec, WM8993_RIGHT_LINE_INPUT_3_4_VOLUME,
802 			    WM8993_IN2_VU, WM8993_IN2_VU);
803 
804 	snd_soc_update_bits(codec, WM8993_SPEAKER_VOLUME_RIGHT,
805 			    WM8993_SPKOUT_VU, WM8993_SPKOUT_VU);
806 
807 	snd_soc_update_bits(codec, WM8993_LEFT_OUTPUT_VOLUME,
808 			    WM8993_HPOUT1L_ZC, WM8993_HPOUT1L_ZC);
809 	snd_soc_update_bits(codec, WM8993_RIGHT_OUTPUT_VOLUME,
810 			    WM8993_HPOUT1_VU | WM8993_HPOUT1R_ZC,
811 			    WM8993_HPOUT1_VU | WM8993_HPOUT1R_ZC);
812 
813 	snd_soc_update_bits(codec, WM8993_LEFT_OPGA_VOLUME,
814 			    WM8993_MIXOUTL_ZC, WM8993_MIXOUTL_ZC);
815 	snd_soc_update_bits(codec, WM8993_RIGHT_OPGA_VOLUME,
816 			    WM8993_MIXOUTR_ZC | WM8993_MIXOUT_VU,
817 			    WM8993_MIXOUTR_ZC | WM8993_MIXOUT_VU);
818 
819 	snd_soc_add_controls(codec, analogue_snd_controls,
820 			     ARRAY_SIZE(analogue_snd_controls));
821 
822 	snd_soc_dapm_new_controls(codec, analogue_dapm_widgets,
823 				  ARRAY_SIZE(analogue_dapm_widgets));
824 	return 0;
825 }
826 EXPORT_SYMBOL_GPL(wm_hubs_add_analogue_controls);
827 
828 int wm_hubs_add_analogue_routes(struct snd_soc_codec *codec,
829 				int lineout1_diff, int lineout2_diff)
830 {
831 	snd_soc_dapm_add_routes(codec, analogue_routes,
832 				ARRAY_SIZE(analogue_routes));
833 
834 	if (lineout1_diff)
835 		snd_soc_dapm_add_routes(codec,
836 					lineout1_diff_routes,
837 					ARRAY_SIZE(lineout1_diff_routes));
838 	else
839 		snd_soc_dapm_add_routes(codec,
840 					lineout1_se_routes,
841 					ARRAY_SIZE(lineout1_se_routes));
842 
843 	if (lineout2_diff)
844 		snd_soc_dapm_add_routes(codec,
845 					lineout2_diff_routes,
846 					ARRAY_SIZE(lineout2_diff_routes));
847 	else
848 		snd_soc_dapm_add_routes(codec,
849 					lineout2_se_routes,
850 					ARRAY_SIZE(lineout2_se_routes));
851 
852 	return 0;
853 }
854 EXPORT_SYMBOL_GPL(wm_hubs_add_analogue_routes);
855 
856 int wm_hubs_handle_analogue_pdata(struct snd_soc_codec *codec,
857 				  int lineout1_diff, int lineout2_diff,
858 				  int lineout1fb, int lineout2fb,
859 				  int jd_scthr, int jd_thr, int micbias1_lvl,
860 				  int micbias2_lvl)
861 {
862 	if (!lineout1_diff)
863 		snd_soc_update_bits(codec, WM8993_LINE_MIXER1,
864 				    WM8993_LINEOUT1_MODE,
865 				    WM8993_LINEOUT1_MODE);
866 	if (!lineout2_diff)
867 		snd_soc_update_bits(codec, WM8993_LINE_MIXER2,
868 				    WM8993_LINEOUT2_MODE,
869 				    WM8993_LINEOUT2_MODE);
870 
871 	/* If the line outputs are differential then we aren't presenting
872 	 * VMID as an output and can disable it.
873 	 */
874 	if (lineout1_diff && lineout2_diff)
875 		codec->idle_bias_off = 1;
876 
877 	if (lineout1fb)
878 		snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL,
879 				    WM8993_LINEOUT1_FB, WM8993_LINEOUT1_FB);
880 
881 	if (lineout2fb)
882 		snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL,
883 				    WM8993_LINEOUT2_FB, WM8993_LINEOUT2_FB);
884 
885 	snd_soc_update_bits(codec, WM8993_MICBIAS,
886 			    WM8993_JD_SCTHR_MASK | WM8993_JD_THR_MASK |
887 			    WM8993_MICB1_LVL | WM8993_MICB2_LVL,
888 			    jd_scthr << WM8993_JD_SCTHR_SHIFT |
889 			    jd_thr << WM8993_JD_THR_SHIFT |
890 			    micbias1_lvl |
891 			    micbias2_lvl << WM8993_MICB2_LVL_SHIFT);
892 
893 	return 0;
894 }
895 EXPORT_SYMBOL_GPL(wm_hubs_handle_analogue_pdata);
896 
897 MODULE_DESCRIPTION("Shared support for Wolfson hubs products");
898 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
899 MODULE_LICENSE("GPL");
900