xref: /linux/sound/soc/codecs/wm_hubs.c (revision d524dac9279b6a41ffdf7ff7958c577f2e387db6)
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/initval.h>
26 #include <sound/tlv.h>
27 
28 #include "wm8993.h"
29 #include "wm_hubs.h"
30 
31 const DECLARE_TLV_DB_SCALE(wm_hubs_spkmix_tlv, -300, 300, 0);
32 EXPORT_SYMBOL_GPL(wm_hubs_spkmix_tlv);
33 
34 static const DECLARE_TLV_DB_SCALE(inpga_tlv, -1650, 150, 0);
35 static const DECLARE_TLV_DB_SCALE(inmix_sw_tlv, 0, 3000, 0);
36 static const DECLARE_TLV_DB_SCALE(inmix_tlv, -1500, 300, 1);
37 static const DECLARE_TLV_DB_SCALE(earpiece_tlv, -600, 600, 0);
38 static const DECLARE_TLV_DB_SCALE(outmix_tlv, -2100, 300, 0);
39 static const DECLARE_TLV_DB_SCALE(spkmixout_tlv, -1800, 600, 1);
40 static const DECLARE_TLV_DB_SCALE(outpga_tlv, -5700, 100, 0);
41 static const unsigned int spkboost_tlv[] = {
42 	TLV_DB_RANGE_HEAD(7),
43 	0, 6, TLV_DB_SCALE_ITEM(0, 150, 0),
44 	7, 7, TLV_DB_SCALE_ITEM(1200, 0, 0),
45 };
46 static const DECLARE_TLV_DB_SCALE(line_tlv, -600, 600, 0);
47 
48 static const char *speaker_ref_text[] = {
49 	"SPKVDD/2",
50 	"VMID",
51 };
52 
53 static const struct soc_enum speaker_ref =
54 	SOC_ENUM_SINGLE(WM8993_SPEAKER_MIXER, 8, 2, speaker_ref_text);
55 
56 static const char *speaker_mode_text[] = {
57 	"Class D",
58 	"Class AB",
59 };
60 
61 static const struct soc_enum speaker_mode =
62 	SOC_ENUM_SINGLE(WM8993_SPKMIXR_ATTENUATION, 8, 2, speaker_mode_text);
63 
64 static void wait_for_dc_servo(struct snd_soc_codec *codec, unsigned int op)
65 {
66 	unsigned int reg;
67 	int count = 0;
68 	unsigned int val;
69 
70 	val = op | WM8993_DCS_ENA_CHAN_0 | WM8993_DCS_ENA_CHAN_1;
71 
72 	/* Trigger the command */
73 	snd_soc_write(codec, WM8993_DC_SERVO_0, val);
74 
75 	dev_dbg(codec->dev, "Waiting for DC servo...\n");
76 
77 	do {
78 		count++;
79 		msleep(1);
80 		reg = snd_soc_read(codec, WM8993_DC_SERVO_0);
81 		dev_dbg(codec->dev, "DC servo: %x\n", reg);
82 	} while (reg & op && count < 400);
83 
84 	if (reg & op)
85 		dev_err(codec->dev, "Timed out waiting for DC Servo\n");
86 }
87 
88 /*
89  * Startup calibration of the DC servo
90  */
91 static void calibrate_dc_servo(struct snd_soc_codec *codec)
92 {
93 	struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
94 	u16 reg, reg_l, reg_r, dcs_cfg;
95 
96 	/* If we're using a digital only path and have a previously
97 	 * callibrated DC servo offset stored then use that. */
98 	if (hubs->class_w && hubs->class_w_dcs) {
99 		dev_dbg(codec->dev, "Using cached DC servo offset %x\n",
100 			hubs->class_w_dcs);
101 		snd_soc_write(codec, WM8993_DC_SERVO_3, hubs->class_w_dcs);
102 		wait_for_dc_servo(codec,
103 				  WM8993_DCS_TRIG_DAC_WR_0 |
104 				  WM8993_DCS_TRIG_DAC_WR_1);
105 		return;
106 	}
107 
108 	/* Devices not using a DCS code correction have startup mode */
109 	if (hubs->dcs_codes) {
110 		/* Set for 32 series updates */
111 		snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
112 				    WM8993_DCS_SERIES_NO_01_MASK,
113 				    32 << WM8993_DCS_SERIES_NO_01_SHIFT);
114 		wait_for_dc_servo(codec,
115 				  WM8993_DCS_TRIG_SERIES_0 |
116 				  WM8993_DCS_TRIG_SERIES_1);
117 	} else {
118 		wait_for_dc_servo(codec,
119 				  WM8993_DCS_TRIG_STARTUP_0 |
120 				  WM8993_DCS_TRIG_STARTUP_1);
121 	}
122 
123 	/* Different chips in the family support different readback
124 	 * methods.
125 	 */
126 	switch (hubs->dcs_readback_mode) {
127 	case 0:
128 		reg_l = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_1)
129 			& WM8993_DCS_INTEG_CHAN_0_MASK;
130 		reg_r = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_2)
131 			& WM8993_DCS_INTEG_CHAN_1_MASK;
132 		break;
133 	case 1:
134 		reg = snd_soc_read(codec, WM8993_DC_SERVO_3);
135 		reg_l = (reg & WM8993_DCS_DAC_WR_VAL_1_MASK)
136 			>> WM8993_DCS_DAC_WR_VAL_1_SHIFT;
137 		reg_r = reg & WM8993_DCS_DAC_WR_VAL_0_MASK;
138 		break;
139 	default:
140 		WARN(1, "Unknown DCS readback method\n");
141 		break;
142 	}
143 
144 	dev_dbg(codec->dev, "DCS input: %x %x\n", reg_l, reg_r);
145 
146 	/* Apply correction to DC servo result */
147 	if (hubs->dcs_codes) {
148 		dev_dbg(codec->dev, "Applying %d code DC servo correction\n",
149 			hubs->dcs_codes);
150 
151 		/* HPOUT1L */
152 		if (reg_l + hubs->dcs_codes > 0 &&
153 		    reg_l + hubs->dcs_codes < 0xff)
154 			reg_l += hubs->dcs_codes;
155 		dcs_cfg = reg_l << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
156 
157 		/* HPOUT1R */
158 		if (reg_r + hubs->dcs_codes > 0 &&
159 		    reg_r + hubs->dcs_codes < 0xff)
160 			reg_r += hubs->dcs_codes;
161 		dcs_cfg |= reg_r;
162 
163 		dev_dbg(codec->dev, "DCS result: %x\n", dcs_cfg);
164 
165 		/* Do it */
166 		snd_soc_write(codec, WM8993_DC_SERVO_3, dcs_cfg);
167 		wait_for_dc_servo(codec,
168 				  WM8993_DCS_TRIG_DAC_WR_0 |
169 				  WM8993_DCS_TRIG_DAC_WR_1);
170 	} else {
171 		dcs_cfg = reg_l << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
172 		dcs_cfg |= reg_r;
173 	}
174 
175 	/* Save the callibrated offset if we're in class W mode and
176 	 * therefore don't have any analogue signal mixed in. */
177 	if (hubs->class_w)
178 		hubs->class_w_dcs = dcs_cfg;
179 }
180 
181 /*
182  * Update the DC servo calibration on gain changes
183  */
184 static int wm8993_put_dc_servo(struct snd_kcontrol *kcontrol,
185 			       struct snd_ctl_elem_value *ucontrol)
186 {
187 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
188 	struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
189 	int ret;
190 
191 	ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
192 
193 	/* Updating the analogue gains invalidates the DC servo cache */
194 	hubs->class_w_dcs = 0;
195 
196 	/* If we're applying an offset correction then updating the
197 	 * callibration would be likely to introduce further offsets. */
198 	if (hubs->dcs_codes)
199 		return ret;
200 
201 	/* Only need to do this if the outputs are active */
202 	if (snd_soc_read(codec, WM8993_POWER_MANAGEMENT_1)
203 	    & (WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA))
204 		snd_soc_update_bits(codec,
205 				    WM8993_DC_SERVO_0,
206 				    WM8993_DCS_TRIG_SINGLE_0 |
207 				    WM8993_DCS_TRIG_SINGLE_1,
208 				    WM8993_DCS_TRIG_SINGLE_0 |
209 				    WM8993_DCS_TRIG_SINGLE_1);
210 
211 	return ret;
212 }
213 
214 static const struct snd_kcontrol_new analogue_snd_controls[] = {
215 SOC_SINGLE_TLV("IN1L Volume", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 0, 31, 0,
216 	       inpga_tlv),
217 SOC_SINGLE("IN1L Switch", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 7, 1, 1),
218 SOC_SINGLE("IN1L ZC Switch", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 7, 1, 0),
219 
220 SOC_SINGLE_TLV("IN1R Volume", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 0, 31, 0,
221 	       inpga_tlv),
222 SOC_SINGLE("IN1R Switch", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 7, 1, 1),
223 SOC_SINGLE("IN1R ZC Switch", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 7, 1, 0),
224 
225 
226 SOC_SINGLE_TLV("IN2L Volume", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 0, 31, 0,
227 	       inpga_tlv),
228 SOC_SINGLE("IN2L Switch", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 7, 1, 1),
229 SOC_SINGLE("IN2L ZC Switch", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 7, 1, 0),
230 
231 SOC_SINGLE_TLV("IN2R Volume", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 0, 31, 0,
232 	       inpga_tlv),
233 SOC_SINGLE("IN2R Switch", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 7, 1, 1),
234 SOC_SINGLE("IN2R ZC Switch", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 7, 1, 0),
235 
236 SOC_SINGLE_TLV("MIXINL IN2L Volume", WM8993_INPUT_MIXER3, 7, 1, 0,
237 	       inmix_sw_tlv),
238 SOC_SINGLE_TLV("MIXINL IN1L Volume", WM8993_INPUT_MIXER3, 4, 1, 0,
239 	       inmix_sw_tlv),
240 SOC_SINGLE_TLV("MIXINL Output Record Volume", WM8993_INPUT_MIXER3, 0, 7, 0,
241 	       inmix_tlv),
242 SOC_SINGLE_TLV("MIXINL IN1LP Volume", WM8993_INPUT_MIXER5, 6, 7, 0, inmix_tlv),
243 SOC_SINGLE_TLV("MIXINL Direct Voice Volume", WM8993_INPUT_MIXER5, 0, 6, 0,
244 	       inmix_tlv),
245 
246 SOC_SINGLE_TLV("MIXINR IN2R Volume", WM8993_INPUT_MIXER4, 7, 1, 0,
247 	       inmix_sw_tlv),
248 SOC_SINGLE_TLV("MIXINR IN1R Volume", WM8993_INPUT_MIXER4, 4, 1, 0,
249 	       inmix_sw_tlv),
250 SOC_SINGLE_TLV("MIXINR Output Record Volume", WM8993_INPUT_MIXER4, 0, 7, 0,
251 	       inmix_tlv),
252 SOC_SINGLE_TLV("MIXINR IN1RP Volume", WM8993_INPUT_MIXER6, 6, 7, 0, inmix_tlv),
253 SOC_SINGLE_TLV("MIXINR Direct Voice Volume", WM8993_INPUT_MIXER6, 0, 6, 0,
254 	       inmix_tlv),
255 
256 SOC_SINGLE_TLV("Left Output Mixer IN2RN Volume", WM8993_OUTPUT_MIXER5, 6, 7, 1,
257 	       outmix_tlv),
258 SOC_SINGLE_TLV("Left Output Mixer IN2LN Volume", WM8993_OUTPUT_MIXER3, 6, 7, 1,
259 	       outmix_tlv),
260 SOC_SINGLE_TLV("Left Output Mixer IN2LP Volume", WM8993_OUTPUT_MIXER3, 9, 7, 1,
261 	       outmix_tlv),
262 SOC_SINGLE_TLV("Left Output Mixer IN1L Volume", WM8993_OUTPUT_MIXER3, 0, 7, 1,
263 	       outmix_tlv),
264 SOC_SINGLE_TLV("Left Output Mixer IN1R Volume", WM8993_OUTPUT_MIXER3, 3, 7, 1,
265 	       outmix_tlv),
266 SOC_SINGLE_TLV("Left Output Mixer Right Input Volume",
267 	       WM8993_OUTPUT_MIXER5, 3, 7, 1, outmix_tlv),
268 SOC_SINGLE_TLV("Left Output Mixer Left Input Volume",
269 	       WM8993_OUTPUT_MIXER5, 0, 7, 1, outmix_tlv),
270 SOC_SINGLE_TLV("Left Output Mixer DAC Volume", WM8993_OUTPUT_MIXER5, 9, 7, 1,
271 	       outmix_tlv),
272 
273 SOC_SINGLE_TLV("Right Output Mixer IN2LN Volume",
274 	       WM8993_OUTPUT_MIXER6, 6, 7, 1, outmix_tlv),
275 SOC_SINGLE_TLV("Right Output Mixer IN2RN Volume",
276 	       WM8993_OUTPUT_MIXER4, 6, 7, 1, outmix_tlv),
277 SOC_SINGLE_TLV("Right Output Mixer IN1L Volume",
278 	       WM8993_OUTPUT_MIXER4, 3, 7, 1, outmix_tlv),
279 SOC_SINGLE_TLV("Right Output Mixer IN1R Volume",
280 	       WM8993_OUTPUT_MIXER4, 0, 7, 1, outmix_tlv),
281 SOC_SINGLE_TLV("Right Output Mixer IN2RP Volume",
282 	       WM8993_OUTPUT_MIXER4, 9, 7, 1, outmix_tlv),
283 SOC_SINGLE_TLV("Right Output Mixer Left Input Volume",
284 	       WM8993_OUTPUT_MIXER6, 3, 7, 1, outmix_tlv),
285 SOC_SINGLE_TLV("Right Output Mixer Right Input Volume",
286 	       WM8993_OUTPUT_MIXER6, 6, 7, 1, outmix_tlv),
287 SOC_SINGLE_TLV("Right Output Mixer DAC Volume",
288 	       WM8993_OUTPUT_MIXER6, 9, 7, 1, outmix_tlv),
289 
290 SOC_DOUBLE_R_TLV("Output Volume", WM8993_LEFT_OPGA_VOLUME,
291 		 WM8993_RIGHT_OPGA_VOLUME, 0, 63, 0, outpga_tlv),
292 SOC_DOUBLE_R("Output Switch", WM8993_LEFT_OPGA_VOLUME,
293 	     WM8993_RIGHT_OPGA_VOLUME, 6, 1, 0),
294 SOC_DOUBLE_R("Output ZC Switch", WM8993_LEFT_OPGA_VOLUME,
295 	     WM8993_RIGHT_OPGA_VOLUME, 7, 1, 0),
296 
297 SOC_SINGLE("Earpiece Switch", WM8993_HPOUT2_VOLUME, 5, 1, 1),
298 SOC_SINGLE_TLV("Earpiece Volume", WM8993_HPOUT2_VOLUME, 4, 1, 1, earpiece_tlv),
299 
300 SOC_SINGLE_TLV("SPKL Input Volume", WM8993_SPKMIXL_ATTENUATION,
301 	       5, 1, 1, wm_hubs_spkmix_tlv),
302 SOC_SINGLE_TLV("SPKL IN1LP Volume", WM8993_SPKMIXL_ATTENUATION,
303 	       4, 1, 1, wm_hubs_spkmix_tlv),
304 SOC_SINGLE_TLV("SPKL Output Volume", WM8993_SPKMIXL_ATTENUATION,
305 	       3, 1, 1, wm_hubs_spkmix_tlv),
306 
307 SOC_SINGLE_TLV("SPKR Input Volume", WM8993_SPKMIXR_ATTENUATION,
308 	       5, 1, 1, wm_hubs_spkmix_tlv),
309 SOC_SINGLE_TLV("SPKR IN1RP Volume", WM8993_SPKMIXR_ATTENUATION,
310 	       4, 1, 1, wm_hubs_spkmix_tlv),
311 SOC_SINGLE_TLV("SPKR Output Volume", WM8993_SPKMIXR_ATTENUATION,
312 	       3, 1, 1, wm_hubs_spkmix_tlv),
313 
314 SOC_DOUBLE_R_TLV("Speaker Mixer Volume",
315 		 WM8993_SPKMIXL_ATTENUATION, WM8993_SPKMIXR_ATTENUATION,
316 		 0, 3, 1, spkmixout_tlv),
317 SOC_DOUBLE_R_TLV("Speaker Volume",
318 		 WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
319 		 0, 63, 0, outpga_tlv),
320 SOC_DOUBLE_R("Speaker Switch",
321 	     WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
322 	     6, 1, 0),
323 SOC_DOUBLE_R("Speaker ZC Switch",
324 	     WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
325 	     7, 1, 0),
326 SOC_DOUBLE_TLV("Speaker Boost Volume", WM8993_SPKOUT_BOOST, 3, 0, 7, 0,
327 	       spkboost_tlv),
328 SOC_ENUM("Speaker Reference", speaker_ref),
329 SOC_ENUM("Speaker Mode", speaker_mode),
330 
331 {
332 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Headphone Volume",
333 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |
334 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,
335 	.tlv.p = outpga_tlv,
336 	.info = snd_soc_info_volsw_2r,
337 	.get = snd_soc_get_volsw_2r, .put = wm8993_put_dc_servo,
338 	.private_value = (unsigned long)&(struct soc_mixer_control) {
339 		.reg = WM8993_LEFT_OUTPUT_VOLUME,
340 		.rreg = WM8993_RIGHT_OUTPUT_VOLUME,
341 		.shift = 0, .max = 63
342 	},
343 },
344 SOC_DOUBLE_R("Headphone Switch", WM8993_LEFT_OUTPUT_VOLUME,
345 	     WM8993_RIGHT_OUTPUT_VOLUME, 6, 1, 0),
346 SOC_DOUBLE_R("Headphone ZC Switch", WM8993_LEFT_OUTPUT_VOLUME,
347 	     WM8993_RIGHT_OUTPUT_VOLUME, 7, 1, 0),
348 
349 SOC_SINGLE("LINEOUT1N Switch", WM8993_LINE_OUTPUTS_VOLUME, 6, 1, 1),
350 SOC_SINGLE("LINEOUT1P Switch", WM8993_LINE_OUTPUTS_VOLUME, 5, 1, 1),
351 SOC_SINGLE_TLV("LINEOUT1 Volume", WM8993_LINE_OUTPUTS_VOLUME, 4, 1, 1,
352 	       line_tlv),
353 
354 SOC_SINGLE("LINEOUT2N Switch", WM8993_LINE_OUTPUTS_VOLUME, 2, 1, 1),
355 SOC_SINGLE("LINEOUT2P Switch", WM8993_LINE_OUTPUTS_VOLUME, 1, 1, 1),
356 SOC_SINGLE_TLV("LINEOUT2 Volume", WM8993_LINE_OUTPUTS_VOLUME, 0, 1, 1,
357 	       line_tlv),
358 };
359 
360 static int hp_supply_event(struct snd_soc_dapm_widget *w,
361 			   struct snd_kcontrol *kcontrol, int event)
362 {
363 	struct snd_soc_codec *codec = w->codec;
364 	struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
365 
366 	switch (event) {
367 	case SND_SOC_DAPM_PRE_PMU:
368 		switch (hubs->hp_startup_mode) {
369 		case 0:
370 			break;
371 		case 1:
372 			/* Enable the headphone amp */
373 			snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
374 					    WM8993_HPOUT1L_ENA |
375 					    WM8993_HPOUT1R_ENA,
376 					    WM8993_HPOUT1L_ENA |
377 					    WM8993_HPOUT1R_ENA);
378 
379 			/* Enable the second stage */
380 			snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
381 					    WM8993_HPOUT1L_DLY |
382 					    WM8993_HPOUT1R_DLY,
383 					    WM8993_HPOUT1L_DLY |
384 					    WM8993_HPOUT1R_DLY);
385 			break;
386 		default:
387 			dev_err(codec->dev, "Unknown HP startup mode %d\n",
388 				hubs->hp_startup_mode);
389 			break;
390 		}
391 
392 	case SND_SOC_DAPM_PRE_PMD:
393 		snd_soc_update_bits(codec, WM8993_CHARGE_PUMP_1,
394 				    WM8993_CP_ENA, 0);
395 		break;
396 	}
397 
398 	return 0;
399 }
400 
401 static int hp_event(struct snd_soc_dapm_widget *w,
402 		    struct snd_kcontrol *kcontrol, int event)
403 {
404 	struct snd_soc_codec *codec = w->codec;
405 	unsigned int reg = snd_soc_read(codec, WM8993_ANALOGUE_HP_0);
406 
407 	switch (event) {
408 	case SND_SOC_DAPM_POST_PMU:
409 		snd_soc_update_bits(codec, WM8993_CHARGE_PUMP_1,
410 				    WM8993_CP_ENA, WM8993_CP_ENA);
411 
412 		msleep(5);
413 
414 		snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
415 				    WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA,
416 				    WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA);
417 
418 		reg |= WM8993_HPOUT1L_DLY | WM8993_HPOUT1R_DLY;
419 		snd_soc_write(codec, WM8993_ANALOGUE_HP_0, reg);
420 
421 		/* Smallest supported update interval */
422 		snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
423 				    WM8993_DCS_TIMER_PERIOD_01_MASK, 1);
424 
425 		calibrate_dc_servo(codec);
426 
427 		reg |= WM8993_HPOUT1R_OUTP | WM8993_HPOUT1R_RMV_SHORT |
428 			WM8993_HPOUT1L_OUTP | WM8993_HPOUT1L_RMV_SHORT;
429 		snd_soc_write(codec, WM8993_ANALOGUE_HP_0, reg);
430 		break;
431 
432 	case SND_SOC_DAPM_PRE_PMD:
433 		snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
434 				    WM8993_HPOUT1L_OUTP |
435 				    WM8993_HPOUT1R_OUTP |
436 				    WM8993_HPOUT1L_RMV_SHORT |
437 				    WM8993_HPOUT1R_RMV_SHORT, 0);
438 
439 		snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
440 				    WM8993_HPOUT1L_DLY |
441 				    WM8993_HPOUT1R_DLY, 0);
442 
443 		snd_soc_write(codec, WM8993_DC_SERVO_0, 0);
444 
445 		snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
446 				    WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA,
447 				    0);
448 		break;
449 	}
450 
451 	return 0;
452 }
453 
454 static int earpiece_event(struct snd_soc_dapm_widget *w,
455 			  struct snd_kcontrol *control, int event)
456 {
457 	struct snd_soc_codec *codec = w->codec;
458 	u16 reg = snd_soc_read(codec, WM8993_ANTIPOP1) & ~WM8993_HPOUT2_IN_ENA;
459 
460 	switch (event) {
461 	case SND_SOC_DAPM_PRE_PMU:
462 		reg |= WM8993_HPOUT2_IN_ENA;
463 		snd_soc_write(codec, WM8993_ANTIPOP1, reg);
464 		udelay(50);
465 		break;
466 
467 	case SND_SOC_DAPM_POST_PMD:
468 		snd_soc_write(codec, WM8993_ANTIPOP1, reg);
469 		break;
470 
471 	default:
472 		BUG();
473 		break;
474 	}
475 
476 	return 0;
477 }
478 
479 static const struct snd_kcontrol_new in1l_pga[] = {
480 SOC_DAPM_SINGLE("IN1LP Switch", WM8993_INPUT_MIXER2, 5, 1, 0),
481 SOC_DAPM_SINGLE("IN1LN Switch", WM8993_INPUT_MIXER2, 4, 1, 0),
482 };
483 
484 static const struct snd_kcontrol_new in1r_pga[] = {
485 SOC_DAPM_SINGLE("IN1RP Switch", WM8993_INPUT_MIXER2, 1, 1, 0),
486 SOC_DAPM_SINGLE("IN1RN Switch", WM8993_INPUT_MIXER2, 0, 1, 0),
487 };
488 
489 static const struct snd_kcontrol_new in2l_pga[] = {
490 SOC_DAPM_SINGLE("IN2LP Switch", WM8993_INPUT_MIXER2, 7, 1, 0),
491 SOC_DAPM_SINGLE("IN2LN Switch", WM8993_INPUT_MIXER2, 6, 1, 0),
492 };
493 
494 static const struct snd_kcontrol_new in2r_pga[] = {
495 SOC_DAPM_SINGLE("IN2RP Switch", WM8993_INPUT_MIXER2, 3, 1, 0),
496 SOC_DAPM_SINGLE("IN2RN Switch", WM8993_INPUT_MIXER2, 2, 1, 0),
497 };
498 
499 static const struct snd_kcontrol_new mixinl[] = {
500 SOC_DAPM_SINGLE("IN2L Switch", WM8993_INPUT_MIXER3, 8, 1, 0),
501 SOC_DAPM_SINGLE("IN1L Switch", WM8993_INPUT_MIXER3, 5, 1, 0),
502 };
503 
504 static const struct snd_kcontrol_new mixinr[] = {
505 SOC_DAPM_SINGLE("IN2R Switch", WM8993_INPUT_MIXER4, 8, 1, 0),
506 SOC_DAPM_SINGLE("IN1R Switch", WM8993_INPUT_MIXER4, 5, 1, 0),
507 };
508 
509 static const struct snd_kcontrol_new left_output_mixer[] = {
510 SOC_DAPM_SINGLE("Right Input Switch", WM8993_OUTPUT_MIXER1, 7, 1, 0),
511 SOC_DAPM_SINGLE("Left Input Switch", WM8993_OUTPUT_MIXER1, 6, 1, 0),
512 SOC_DAPM_SINGLE("IN2RN Switch", WM8993_OUTPUT_MIXER1, 5, 1, 0),
513 SOC_DAPM_SINGLE("IN2LN Switch", WM8993_OUTPUT_MIXER1, 4, 1, 0),
514 SOC_DAPM_SINGLE("IN2LP Switch", WM8993_OUTPUT_MIXER1, 1, 1, 0),
515 SOC_DAPM_SINGLE("IN1R Switch", WM8993_OUTPUT_MIXER1, 3, 1, 0),
516 SOC_DAPM_SINGLE("IN1L Switch", WM8993_OUTPUT_MIXER1, 2, 1, 0),
517 SOC_DAPM_SINGLE("DAC Switch", WM8993_OUTPUT_MIXER1, 0, 1, 0),
518 };
519 
520 static const struct snd_kcontrol_new right_output_mixer[] = {
521 SOC_DAPM_SINGLE("Left Input Switch", WM8993_OUTPUT_MIXER2, 7, 1, 0),
522 SOC_DAPM_SINGLE("Right Input Switch", WM8993_OUTPUT_MIXER2, 6, 1, 0),
523 SOC_DAPM_SINGLE("IN2LN Switch", WM8993_OUTPUT_MIXER2, 5, 1, 0),
524 SOC_DAPM_SINGLE("IN2RN Switch", WM8993_OUTPUT_MIXER2, 4, 1, 0),
525 SOC_DAPM_SINGLE("IN1L Switch", WM8993_OUTPUT_MIXER2, 3, 1, 0),
526 SOC_DAPM_SINGLE("IN1R Switch", WM8993_OUTPUT_MIXER2, 2, 1, 0),
527 SOC_DAPM_SINGLE("IN2RP Switch", WM8993_OUTPUT_MIXER2, 1, 1, 0),
528 SOC_DAPM_SINGLE("DAC Switch", WM8993_OUTPUT_MIXER2, 0, 1, 0),
529 };
530 
531 static const struct snd_kcontrol_new earpiece_mixer[] = {
532 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_HPOUT2_MIXER, 5, 1, 0),
533 SOC_DAPM_SINGLE("Left Output Switch", WM8993_HPOUT2_MIXER, 4, 1, 0),
534 SOC_DAPM_SINGLE("Right Output Switch", WM8993_HPOUT2_MIXER, 3, 1, 0),
535 };
536 
537 static const struct snd_kcontrol_new left_speaker_boost[] = {
538 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_SPKOUT_MIXERS, 5, 1, 0),
539 SOC_DAPM_SINGLE("SPKL Switch", WM8993_SPKOUT_MIXERS, 4, 1, 0),
540 SOC_DAPM_SINGLE("SPKR Switch", WM8993_SPKOUT_MIXERS, 3, 1, 0),
541 };
542 
543 static const struct snd_kcontrol_new right_speaker_boost[] = {
544 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_SPKOUT_MIXERS, 2, 1, 0),
545 SOC_DAPM_SINGLE("SPKL Switch", WM8993_SPKOUT_MIXERS, 1, 1, 0),
546 SOC_DAPM_SINGLE("SPKR Switch", WM8993_SPKOUT_MIXERS, 0, 1, 0),
547 };
548 
549 static const struct snd_kcontrol_new line1_mix[] = {
550 SOC_DAPM_SINGLE("IN1R Switch", WM8993_LINE_MIXER1, 2, 1, 0),
551 SOC_DAPM_SINGLE("IN1L Switch", WM8993_LINE_MIXER1, 1, 1, 0),
552 SOC_DAPM_SINGLE("Output Switch", WM8993_LINE_MIXER1, 0, 1, 0),
553 };
554 
555 static const struct snd_kcontrol_new line1n_mix[] = {
556 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER1, 6, 1, 0),
557 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER1, 5, 1, 0),
558 };
559 
560 static const struct snd_kcontrol_new line1p_mix[] = {
561 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER1, 0, 1, 0),
562 };
563 
564 static const struct snd_kcontrol_new line2_mix[] = {
565 SOC_DAPM_SINGLE("IN2R Switch", WM8993_LINE_MIXER2, 2, 1, 0),
566 SOC_DAPM_SINGLE("IN2L Switch", WM8993_LINE_MIXER2, 1, 1, 0),
567 SOC_DAPM_SINGLE("Output Switch", WM8993_LINE_MIXER2, 0, 1, 0),
568 };
569 
570 static const struct snd_kcontrol_new line2n_mix[] = {
571 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER2, 6, 1, 0),
572 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER2, 5, 1, 0),
573 };
574 
575 static const struct snd_kcontrol_new line2p_mix[] = {
576 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER2, 0, 1, 0),
577 };
578 
579 static const struct snd_soc_dapm_widget analogue_dapm_widgets[] = {
580 SND_SOC_DAPM_INPUT("IN1LN"),
581 SND_SOC_DAPM_INPUT("IN1LP"),
582 SND_SOC_DAPM_INPUT("IN2LN"),
583 SND_SOC_DAPM_INPUT("IN2LP:VXRN"),
584 SND_SOC_DAPM_INPUT("IN1RN"),
585 SND_SOC_DAPM_INPUT("IN1RP"),
586 SND_SOC_DAPM_INPUT("IN2RN"),
587 SND_SOC_DAPM_INPUT("IN2RP:VXRP"),
588 
589 SND_SOC_DAPM_MICBIAS("MICBIAS2", WM8993_POWER_MANAGEMENT_1, 5, 0),
590 SND_SOC_DAPM_MICBIAS("MICBIAS1", WM8993_POWER_MANAGEMENT_1, 4, 0),
591 
592 SND_SOC_DAPM_MIXER("IN1L PGA", WM8993_POWER_MANAGEMENT_2, 6, 0,
593 		   in1l_pga, ARRAY_SIZE(in1l_pga)),
594 SND_SOC_DAPM_MIXER("IN1R PGA", WM8993_POWER_MANAGEMENT_2, 4, 0,
595 		   in1r_pga, ARRAY_SIZE(in1r_pga)),
596 
597 SND_SOC_DAPM_MIXER("IN2L PGA", WM8993_POWER_MANAGEMENT_2, 7, 0,
598 		   in2l_pga, ARRAY_SIZE(in2l_pga)),
599 SND_SOC_DAPM_MIXER("IN2R PGA", WM8993_POWER_MANAGEMENT_2, 5, 0,
600 		   in2r_pga, ARRAY_SIZE(in2r_pga)),
601 
602 /* Dummy widgets to represent differential paths */
603 SND_SOC_DAPM_PGA("Direct Voice", SND_SOC_NOPM, 0, 0, NULL, 0),
604 
605 SND_SOC_DAPM_MIXER("MIXINL", WM8993_POWER_MANAGEMENT_2, 9, 0,
606 		   mixinl, ARRAY_SIZE(mixinl)),
607 SND_SOC_DAPM_MIXER("MIXINR", WM8993_POWER_MANAGEMENT_2, 8, 0,
608 		   mixinr, ARRAY_SIZE(mixinr)),
609 
610 SND_SOC_DAPM_MIXER("Left Output Mixer", WM8993_POWER_MANAGEMENT_3, 5, 0,
611 		   left_output_mixer, ARRAY_SIZE(left_output_mixer)),
612 SND_SOC_DAPM_MIXER("Right Output Mixer", WM8993_POWER_MANAGEMENT_3, 4, 0,
613 		   right_output_mixer, ARRAY_SIZE(right_output_mixer)),
614 
615 SND_SOC_DAPM_PGA("Left Output PGA", WM8993_POWER_MANAGEMENT_3, 7, 0, NULL, 0),
616 SND_SOC_DAPM_PGA("Right Output PGA", WM8993_POWER_MANAGEMENT_3, 6, 0, NULL, 0),
617 
618 SND_SOC_DAPM_SUPPLY("Headphone Supply", SND_SOC_NOPM, 0, 0, hp_supply_event,
619 		    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
620 SND_SOC_DAPM_PGA_E("Headphone PGA", SND_SOC_NOPM, 0, 0,
621 		   NULL, 0,
622 		   hp_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
623 
624 SND_SOC_DAPM_MIXER("Earpiece Mixer", SND_SOC_NOPM, 0, 0,
625 		   earpiece_mixer, ARRAY_SIZE(earpiece_mixer)),
626 SND_SOC_DAPM_PGA_E("Earpiece Driver", WM8993_POWER_MANAGEMENT_1, 11, 0,
627 		   NULL, 0, earpiece_event,
628 		   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
629 
630 SND_SOC_DAPM_MIXER("SPKL Boost", SND_SOC_NOPM, 0, 0,
631 		   left_speaker_boost, ARRAY_SIZE(left_speaker_boost)),
632 SND_SOC_DAPM_MIXER("SPKR Boost", SND_SOC_NOPM, 0, 0,
633 		   right_speaker_boost, ARRAY_SIZE(right_speaker_boost)),
634 
635 SND_SOC_DAPM_PGA("SPKL Driver", WM8993_POWER_MANAGEMENT_1, 12, 0,
636 		 NULL, 0),
637 SND_SOC_DAPM_PGA("SPKR Driver", WM8993_POWER_MANAGEMENT_1, 13, 0,
638 		 NULL, 0),
639 
640 SND_SOC_DAPM_MIXER("LINEOUT1 Mixer", SND_SOC_NOPM, 0, 0,
641 		   line1_mix, ARRAY_SIZE(line1_mix)),
642 SND_SOC_DAPM_MIXER("LINEOUT2 Mixer", SND_SOC_NOPM, 0, 0,
643 		   line2_mix, ARRAY_SIZE(line2_mix)),
644 
645 SND_SOC_DAPM_MIXER("LINEOUT1N Mixer", SND_SOC_NOPM, 0, 0,
646 		   line1n_mix, ARRAY_SIZE(line1n_mix)),
647 SND_SOC_DAPM_MIXER("LINEOUT1P Mixer", SND_SOC_NOPM, 0, 0,
648 		   line1p_mix, ARRAY_SIZE(line1p_mix)),
649 SND_SOC_DAPM_MIXER("LINEOUT2N Mixer", SND_SOC_NOPM, 0, 0,
650 		   line2n_mix, ARRAY_SIZE(line2n_mix)),
651 SND_SOC_DAPM_MIXER("LINEOUT2P Mixer", SND_SOC_NOPM, 0, 0,
652 		   line2p_mix, ARRAY_SIZE(line2p_mix)),
653 
654 SND_SOC_DAPM_PGA("LINEOUT1N Driver", WM8993_POWER_MANAGEMENT_3, 13, 0,
655 		 NULL, 0),
656 SND_SOC_DAPM_PGA("LINEOUT1P Driver", WM8993_POWER_MANAGEMENT_3, 12, 0,
657 		 NULL, 0),
658 SND_SOC_DAPM_PGA("LINEOUT2N Driver", WM8993_POWER_MANAGEMENT_3, 11, 0,
659 		 NULL, 0),
660 SND_SOC_DAPM_PGA("LINEOUT2P Driver", WM8993_POWER_MANAGEMENT_3, 10, 0,
661 		 NULL, 0),
662 
663 SND_SOC_DAPM_OUTPUT("SPKOUTLP"),
664 SND_SOC_DAPM_OUTPUT("SPKOUTLN"),
665 SND_SOC_DAPM_OUTPUT("SPKOUTRP"),
666 SND_SOC_DAPM_OUTPUT("SPKOUTRN"),
667 SND_SOC_DAPM_OUTPUT("HPOUT1L"),
668 SND_SOC_DAPM_OUTPUT("HPOUT1R"),
669 SND_SOC_DAPM_OUTPUT("HPOUT2P"),
670 SND_SOC_DAPM_OUTPUT("HPOUT2N"),
671 SND_SOC_DAPM_OUTPUT("LINEOUT1P"),
672 SND_SOC_DAPM_OUTPUT("LINEOUT1N"),
673 SND_SOC_DAPM_OUTPUT("LINEOUT2P"),
674 SND_SOC_DAPM_OUTPUT("LINEOUT2N"),
675 };
676 
677 static const struct snd_soc_dapm_route analogue_routes[] = {
678 	{ "IN1L PGA", "IN1LP Switch", "IN1LP" },
679 	{ "IN1L PGA", "IN1LN Switch", "IN1LN" },
680 
681 	{ "IN1R PGA", "IN1RP Switch", "IN1RP" },
682 	{ "IN1R PGA", "IN1RN Switch", "IN1RN" },
683 
684 	{ "IN2L PGA", "IN2LP Switch", "IN2LP:VXRN" },
685 	{ "IN2L PGA", "IN2LN Switch", "IN2LN" },
686 
687 	{ "IN2R PGA", "IN2RP Switch", "IN2RP:VXRP" },
688 	{ "IN2R PGA", "IN2RN Switch", "IN2RN" },
689 
690 	{ "Direct Voice", NULL, "IN2LP:VXRN" },
691 	{ "Direct Voice", NULL, "IN2RP:VXRP" },
692 
693 	{ "MIXINL", "IN1L Switch", "IN1L PGA" },
694 	{ "MIXINL", "IN2L Switch", "IN2L PGA" },
695 	{ "MIXINL", NULL, "Direct Voice" },
696 	{ "MIXINL", NULL, "IN1LP" },
697 	{ "MIXINL", NULL, "Left Output Mixer" },
698 
699 	{ "MIXINR", "IN1R Switch", "IN1R PGA" },
700 	{ "MIXINR", "IN2R Switch", "IN2R PGA" },
701 	{ "MIXINR", NULL, "Direct Voice" },
702 	{ "MIXINR", NULL, "IN1RP" },
703 	{ "MIXINR", NULL, "Right Output Mixer" },
704 
705 	{ "ADCL", NULL, "MIXINL" },
706 	{ "ADCR", NULL, "MIXINR" },
707 
708 	{ "Left Output Mixer", "Left Input Switch", "MIXINL" },
709 	{ "Left Output Mixer", "Right Input Switch", "MIXINR" },
710 	{ "Left Output Mixer", "IN2RN Switch", "IN2RN" },
711 	{ "Left Output Mixer", "IN2LN Switch", "IN2LN" },
712 	{ "Left Output Mixer", "IN2LP Switch", "IN2LP:VXRN" },
713 	{ "Left Output Mixer", "IN1L Switch", "IN1L PGA" },
714 	{ "Left Output Mixer", "IN1R Switch", "IN1R PGA" },
715 
716 	{ "Right Output Mixer", "Left Input Switch", "MIXINL" },
717 	{ "Right Output Mixer", "Right Input Switch", "MIXINR" },
718 	{ "Right Output Mixer", "IN2LN Switch", "IN2LN" },
719 	{ "Right Output Mixer", "IN2RN Switch", "IN2RN" },
720 	{ "Right Output Mixer", "IN2RP Switch", "IN2RP:VXRP" },
721 	{ "Right Output Mixer", "IN1L Switch", "IN1L PGA" },
722 	{ "Right Output Mixer", "IN1R Switch", "IN1R PGA" },
723 
724 	{ "Left Output PGA", NULL, "Left Output Mixer" },
725 	{ "Left Output PGA", NULL, "TOCLK" },
726 
727 	{ "Right Output PGA", NULL, "Right Output Mixer" },
728 	{ "Right Output PGA", NULL, "TOCLK" },
729 
730 	{ "Earpiece Mixer", "Direct Voice Switch", "Direct Voice" },
731 	{ "Earpiece Mixer", "Left Output Switch", "Left Output PGA" },
732 	{ "Earpiece Mixer", "Right Output Switch", "Right Output PGA" },
733 
734 	{ "Earpiece Driver", NULL, "Earpiece Mixer" },
735 	{ "HPOUT2N", NULL, "Earpiece Driver" },
736 	{ "HPOUT2P", NULL, "Earpiece Driver" },
737 
738 	{ "SPKL", "Input Switch", "MIXINL" },
739 	{ "SPKL", "IN1LP Switch", "IN1LP" },
740 	{ "SPKL", "Output Switch", "Left Output Mixer" },
741 	{ "SPKL", NULL, "TOCLK" },
742 
743 	{ "SPKR", "Input Switch", "MIXINR" },
744 	{ "SPKR", "IN1RP Switch", "IN1RP" },
745 	{ "SPKR", "Output Switch", "Right Output Mixer" },
746 	{ "SPKR", NULL, "TOCLK" },
747 
748 	{ "SPKL Boost", "Direct Voice Switch", "Direct Voice" },
749 	{ "SPKL Boost", "SPKL Switch", "SPKL" },
750 	{ "SPKL Boost", "SPKR Switch", "SPKR" },
751 
752 	{ "SPKR Boost", "Direct Voice Switch", "Direct Voice" },
753 	{ "SPKR Boost", "SPKR Switch", "SPKR" },
754 	{ "SPKR Boost", "SPKL Switch", "SPKL" },
755 
756 	{ "SPKL Driver", NULL, "SPKL Boost" },
757 	{ "SPKL Driver", NULL, "CLK_SYS" },
758 
759 	{ "SPKR Driver", NULL, "SPKR Boost" },
760 	{ "SPKR Driver", NULL, "CLK_SYS" },
761 
762 	{ "SPKOUTLP", NULL, "SPKL Driver" },
763 	{ "SPKOUTLN", NULL, "SPKL Driver" },
764 	{ "SPKOUTRP", NULL, "SPKR Driver" },
765 	{ "SPKOUTRN", NULL, "SPKR Driver" },
766 
767 	{ "Left Headphone Mux", "Mixer", "Left Output Mixer" },
768 	{ "Right Headphone Mux", "Mixer", "Right Output Mixer" },
769 
770 	{ "Headphone PGA", NULL, "Left Headphone Mux" },
771 	{ "Headphone PGA", NULL, "Right Headphone Mux" },
772 	{ "Headphone PGA", NULL, "CLK_SYS" },
773 	{ "Headphone PGA", NULL, "Headphone Supply" },
774 
775 	{ "HPOUT1L", NULL, "Headphone PGA" },
776 	{ "HPOUT1R", NULL, "Headphone PGA" },
777 
778 	{ "LINEOUT1N", NULL, "LINEOUT1N Driver" },
779 	{ "LINEOUT1P", NULL, "LINEOUT1P Driver" },
780 	{ "LINEOUT2N", NULL, "LINEOUT2N Driver" },
781 	{ "LINEOUT2P", NULL, "LINEOUT2P Driver" },
782 };
783 
784 static const struct snd_soc_dapm_route lineout1_diff_routes[] = {
785 	{ "LINEOUT1 Mixer", "IN1L Switch", "IN1L PGA" },
786 	{ "LINEOUT1 Mixer", "IN1R Switch", "IN1R PGA" },
787 	{ "LINEOUT1 Mixer", "Output Switch", "Left Output Mixer" },
788 
789 	{ "LINEOUT1N Driver", NULL, "LINEOUT1 Mixer" },
790 	{ "LINEOUT1P Driver", NULL, "LINEOUT1 Mixer" },
791 };
792 
793 static const struct snd_soc_dapm_route lineout1_se_routes[] = {
794 	{ "LINEOUT1N Mixer", "Left Output Switch", "Left Output Mixer" },
795 	{ "LINEOUT1N Mixer", "Right Output Switch", "Left Output Mixer" },
796 
797 	{ "LINEOUT1P Mixer", "Left Output Switch", "Left Output Mixer" },
798 
799 	{ "LINEOUT1N Driver", NULL, "LINEOUT1N Mixer" },
800 	{ "LINEOUT1P Driver", NULL, "LINEOUT1P Mixer" },
801 };
802 
803 static const struct snd_soc_dapm_route lineout2_diff_routes[] = {
804 	{ "LINEOUT2 Mixer", "IN2L Switch", "IN2L PGA" },
805 	{ "LINEOUT2 Mixer", "IN2R Switch", "IN2R PGA" },
806 	{ "LINEOUT2 Mixer", "Output Switch", "Right Output Mixer" },
807 
808 	{ "LINEOUT2N Driver", NULL, "LINEOUT2 Mixer" },
809 	{ "LINEOUT2P Driver", NULL, "LINEOUT2 Mixer" },
810 };
811 
812 static const struct snd_soc_dapm_route lineout2_se_routes[] = {
813 	{ "LINEOUT2N Mixer", "Left Output Switch", "Left Output Mixer" },
814 	{ "LINEOUT2N Mixer", "Right Output Switch", "Left Output Mixer" },
815 
816 	{ "LINEOUT2P Mixer", "Right Output Switch", "Right Output Mixer" },
817 
818 	{ "LINEOUT2N Driver", NULL, "LINEOUT2N Mixer" },
819 	{ "LINEOUT2P Driver", NULL, "LINEOUT2P Mixer" },
820 };
821 
822 int wm_hubs_add_analogue_controls(struct snd_soc_codec *codec)
823 {
824 	struct snd_soc_dapm_context *dapm = &codec->dapm;
825 
826 	/* Latch volume update bits & default ZC on */
827 	snd_soc_update_bits(codec, WM8993_LEFT_LINE_INPUT_1_2_VOLUME,
828 			    WM8993_IN1_VU, WM8993_IN1_VU);
829 	snd_soc_update_bits(codec, WM8993_RIGHT_LINE_INPUT_1_2_VOLUME,
830 			    WM8993_IN1_VU, WM8993_IN1_VU);
831 	snd_soc_update_bits(codec, WM8993_LEFT_LINE_INPUT_3_4_VOLUME,
832 			    WM8993_IN2_VU, WM8993_IN2_VU);
833 	snd_soc_update_bits(codec, WM8993_RIGHT_LINE_INPUT_3_4_VOLUME,
834 			    WM8993_IN2_VU, WM8993_IN2_VU);
835 
836 	snd_soc_update_bits(codec, WM8993_SPEAKER_VOLUME_RIGHT,
837 			    WM8993_SPKOUT_VU, WM8993_SPKOUT_VU);
838 
839 	snd_soc_update_bits(codec, WM8993_LEFT_OUTPUT_VOLUME,
840 			    WM8993_HPOUT1L_ZC, WM8993_HPOUT1L_ZC);
841 	snd_soc_update_bits(codec, WM8993_RIGHT_OUTPUT_VOLUME,
842 			    WM8993_HPOUT1_VU | WM8993_HPOUT1R_ZC,
843 			    WM8993_HPOUT1_VU | WM8993_HPOUT1R_ZC);
844 
845 	snd_soc_update_bits(codec, WM8993_LEFT_OPGA_VOLUME,
846 			    WM8993_MIXOUTL_ZC, WM8993_MIXOUTL_ZC);
847 	snd_soc_update_bits(codec, WM8993_RIGHT_OPGA_VOLUME,
848 			    WM8993_MIXOUTR_ZC | WM8993_MIXOUT_VU,
849 			    WM8993_MIXOUTR_ZC | WM8993_MIXOUT_VU);
850 
851 	snd_soc_add_controls(codec, analogue_snd_controls,
852 			     ARRAY_SIZE(analogue_snd_controls));
853 
854 	snd_soc_dapm_new_controls(dapm, analogue_dapm_widgets,
855 				  ARRAY_SIZE(analogue_dapm_widgets));
856 	return 0;
857 }
858 EXPORT_SYMBOL_GPL(wm_hubs_add_analogue_controls);
859 
860 int wm_hubs_add_analogue_routes(struct snd_soc_codec *codec,
861 				int lineout1_diff, int lineout2_diff)
862 {
863 	struct snd_soc_dapm_context *dapm = &codec->dapm;
864 
865 	snd_soc_dapm_add_routes(dapm, analogue_routes,
866 				ARRAY_SIZE(analogue_routes));
867 
868 	if (lineout1_diff)
869 		snd_soc_dapm_add_routes(dapm,
870 					lineout1_diff_routes,
871 					ARRAY_SIZE(lineout1_diff_routes));
872 	else
873 		snd_soc_dapm_add_routes(dapm,
874 					lineout1_se_routes,
875 					ARRAY_SIZE(lineout1_se_routes));
876 
877 	if (lineout2_diff)
878 		snd_soc_dapm_add_routes(dapm,
879 					lineout2_diff_routes,
880 					ARRAY_SIZE(lineout2_diff_routes));
881 	else
882 		snd_soc_dapm_add_routes(dapm,
883 					lineout2_se_routes,
884 					ARRAY_SIZE(lineout2_se_routes));
885 
886 	return 0;
887 }
888 EXPORT_SYMBOL_GPL(wm_hubs_add_analogue_routes);
889 
890 int wm_hubs_handle_analogue_pdata(struct snd_soc_codec *codec,
891 				  int lineout1_diff, int lineout2_diff,
892 				  int lineout1fb, int lineout2fb,
893 				  int jd_scthr, int jd_thr, int micbias1_lvl,
894 				  int micbias2_lvl)
895 {
896 	if (!lineout1_diff)
897 		snd_soc_update_bits(codec, WM8993_LINE_MIXER1,
898 				    WM8993_LINEOUT1_MODE,
899 				    WM8993_LINEOUT1_MODE);
900 	if (!lineout2_diff)
901 		snd_soc_update_bits(codec, WM8993_LINE_MIXER2,
902 				    WM8993_LINEOUT2_MODE,
903 				    WM8993_LINEOUT2_MODE);
904 
905 	/* If the line outputs are differential then we aren't presenting
906 	 * VMID as an output and can disable it.
907 	 */
908 	if (lineout1_diff && lineout2_diff)
909 		codec->dapm.idle_bias_off = 1;
910 
911 	if (lineout1fb)
912 		snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL,
913 				    WM8993_LINEOUT1_FB, WM8993_LINEOUT1_FB);
914 
915 	if (lineout2fb)
916 		snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL,
917 				    WM8993_LINEOUT2_FB, WM8993_LINEOUT2_FB);
918 
919 	snd_soc_update_bits(codec, WM8993_MICBIAS,
920 			    WM8993_JD_SCTHR_MASK | WM8993_JD_THR_MASK |
921 			    WM8993_MICB1_LVL | WM8993_MICB2_LVL,
922 			    jd_scthr << WM8993_JD_SCTHR_SHIFT |
923 			    jd_thr << WM8993_JD_THR_SHIFT |
924 			    micbias1_lvl |
925 			    micbias2_lvl << WM8993_MICB2_LVL_SHIFT);
926 
927 	return 0;
928 }
929 EXPORT_SYMBOL_GPL(wm_hubs_handle_analogue_pdata);
930 
931 MODULE_DESCRIPTION("Shared support for Wolfson hubs products");
932 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
933 MODULE_LICENSE("GPL");
934