xref: /openbmc/linux/sound/soc/codecs/wm_hubs.c (revision 81d67439)
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 	struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
67 	unsigned int reg;
68 	int count = 0;
69 	int timeout;
70 	unsigned int val;
71 
72 	val = op | WM8993_DCS_ENA_CHAN_0 | WM8993_DCS_ENA_CHAN_1;
73 
74 	/* Trigger the command */
75 	snd_soc_write(codec, WM8993_DC_SERVO_0, val);
76 
77 	dev_dbg(codec->dev, "Waiting for DC servo...\n");
78 
79 	if (hubs->dcs_done_irq)
80 		timeout = 4;
81 	else
82 		timeout = 400;
83 
84 	do {
85 		count++;
86 
87 		if (hubs->dcs_done_irq)
88 			wait_for_completion_timeout(&hubs->dcs_done,
89 						    msecs_to_jiffies(250));
90 		else
91 			msleep(1);
92 
93 		reg = snd_soc_read(codec, WM8993_DC_SERVO_0);
94 		dev_dbg(codec->dev, "DC servo: %x\n", reg);
95 	} while (reg & op && count < timeout);
96 
97 	if (reg & op)
98 		dev_err(codec->dev, "Timed out waiting for DC Servo %x\n",
99 			op);
100 }
101 
102 irqreturn_t wm_hubs_dcs_done(int irq, void *data)
103 {
104 	struct wm_hubs_data *hubs = data;
105 
106 	complete(&hubs->dcs_done);
107 
108 	return IRQ_HANDLED;
109 }
110 EXPORT_SYMBOL_GPL(wm_hubs_dcs_done);
111 
112 /*
113  * Startup calibration of the DC servo
114  */
115 static void calibrate_dc_servo(struct snd_soc_codec *codec)
116 {
117 	struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
118 	s8 offset;
119 	u16 reg, reg_l, reg_r, dcs_cfg;
120 
121 	/* If we're using a digital only path and have a previously
122 	 * callibrated DC servo offset stored then use that. */
123 	if (hubs->class_w && hubs->class_w_dcs) {
124 		dev_dbg(codec->dev, "Using cached DC servo offset %x\n",
125 			hubs->class_w_dcs);
126 		snd_soc_write(codec, WM8993_DC_SERVO_3, hubs->class_w_dcs);
127 		wait_for_dc_servo(codec,
128 				  WM8993_DCS_TRIG_DAC_WR_0 |
129 				  WM8993_DCS_TRIG_DAC_WR_1);
130 		return;
131 	}
132 
133 	if (hubs->series_startup) {
134 		/* Set for 32 series updates */
135 		snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
136 				    WM8993_DCS_SERIES_NO_01_MASK,
137 				    32 << WM8993_DCS_SERIES_NO_01_SHIFT);
138 		wait_for_dc_servo(codec,
139 				  WM8993_DCS_TRIG_SERIES_0 |
140 				  WM8993_DCS_TRIG_SERIES_1);
141 	} else {
142 		wait_for_dc_servo(codec,
143 				  WM8993_DCS_TRIG_STARTUP_0 |
144 				  WM8993_DCS_TRIG_STARTUP_1);
145 	}
146 
147 	/* Different chips in the family support different readback
148 	 * methods.
149 	 */
150 	switch (hubs->dcs_readback_mode) {
151 	case 0:
152 		reg_l = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_1)
153 			& WM8993_DCS_INTEG_CHAN_0_MASK;
154 		reg_r = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_2)
155 			& WM8993_DCS_INTEG_CHAN_1_MASK;
156 		break;
157 	case 1:
158 		reg = snd_soc_read(codec, WM8993_DC_SERVO_3);
159 		reg_r = (reg & WM8993_DCS_DAC_WR_VAL_1_MASK)
160 			>> WM8993_DCS_DAC_WR_VAL_1_SHIFT;
161 		reg_l = reg & WM8993_DCS_DAC_WR_VAL_0_MASK;
162 		break;
163 	default:
164 		WARN(1, "Unknown DCS readback method\n");
165 		break;
166 	}
167 
168 	dev_dbg(codec->dev, "DCS input: %x %x\n", reg_l, reg_r);
169 
170 	/* Apply correction to DC servo result */
171 	if (hubs->dcs_codes) {
172 		dev_dbg(codec->dev, "Applying %d code DC servo correction\n",
173 			hubs->dcs_codes);
174 
175 		/* HPOUT1R */
176 		offset = reg_r;
177 		offset += hubs->dcs_codes;
178 		dcs_cfg = (u8)offset << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
179 
180 		/* HPOUT1L */
181 		offset = reg_l;
182 		offset += hubs->dcs_codes;
183 		dcs_cfg |= (u8)offset;
184 
185 		dev_dbg(codec->dev, "DCS result: %x\n", dcs_cfg);
186 
187 		/* Do it */
188 		snd_soc_write(codec, WM8993_DC_SERVO_3, dcs_cfg);
189 		wait_for_dc_servo(codec,
190 				  WM8993_DCS_TRIG_DAC_WR_0 |
191 				  WM8993_DCS_TRIG_DAC_WR_1);
192 	} else {
193 		dcs_cfg = reg_r << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
194 		dcs_cfg |= reg_l;
195 	}
196 
197 	/* Save the callibrated offset if we're in class W mode and
198 	 * therefore don't have any analogue signal mixed in. */
199 	if (hubs->class_w)
200 		hubs->class_w_dcs = dcs_cfg;
201 }
202 
203 /*
204  * Update the DC servo calibration on gain changes
205  */
206 static int wm8993_put_dc_servo(struct snd_kcontrol *kcontrol,
207 			       struct snd_ctl_elem_value *ucontrol)
208 {
209 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
210 	struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
211 	int ret;
212 
213 	ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
214 
215 	/* Updating the analogue gains invalidates the DC servo cache */
216 	hubs->class_w_dcs = 0;
217 
218 	/* If we're applying an offset correction then updating the
219 	 * callibration would be likely to introduce further offsets. */
220 	if (hubs->dcs_codes || hubs->no_series_update)
221 		return ret;
222 
223 	/* Only need to do this if the outputs are active */
224 	if (snd_soc_read(codec, WM8993_POWER_MANAGEMENT_1)
225 	    & (WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA))
226 		snd_soc_update_bits(codec,
227 				    WM8993_DC_SERVO_0,
228 				    WM8993_DCS_TRIG_SINGLE_0 |
229 				    WM8993_DCS_TRIG_SINGLE_1,
230 				    WM8993_DCS_TRIG_SINGLE_0 |
231 				    WM8993_DCS_TRIG_SINGLE_1);
232 
233 	return ret;
234 }
235 
236 static const struct snd_kcontrol_new analogue_snd_controls[] = {
237 SOC_SINGLE_TLV("IN1L Volume", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 0, 31, 0,
238 	       inpga_tlv),
239 SOC_SINGLE("IN1L Switch", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 7, 1, 1),
240 SOC_SINGLE("IN1L ZC Switch", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 6, 1, 0),
241 
242 SOC_SINGLE_TLV("IN1R Volume", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 0, 31, 0,
243 	       inpga_tlv),
244 SOC_SINGLE("IN1R Switch", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 7, 1, 1),
245 SOC_SINGLE("IN1R ZC Switch", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 6, 1, 0),
246 
247 
248 SOC_SINGLE_TLV("IN2L Volume", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 0, 31, 0,
249 	       inpga_tlv),
250 SOC_SINGLE("IN2L Switch", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 7, 1, 1),
251 SOC_SINGLE("IN2L ZC Switch", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 6, 1, 0),
252 
253 SOC_SINGLE_TLV("IN2R Volume", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 0, 31, 0,
254 	       inpga_tlv),
255 SOC_SINGLE("IN2R Switch", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 7, 1, 1),
256 SOC_SINGLE("IN2R ZC Switch", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 6, 1, 0),
257 
258 SOC_SINGLE_TLV("MIXINL IN2L Volume", WM8993_INPUT_MIXER3, 7, 1, 0,
259 	       inmix_sw_tlv),
260 SOC_SINGLE_TLV("MIXINL IN1L Volume", WM8993_INPUT_MIXER3, 4, 1, 0,
261 	       inmix_sw_tlv),
262 SOC_SINGLE_TLV("MIXINL Output Record Volume", WM8993_INPUT_MIXER3, 0, 7, 0,
263 	       inmix_tlv),
264 SOC_SINGLE_TLV("MIXINL IN1LP Volume", WM8993_INPUT_MIXER5, 6, 7, 0, inmix_tlv),
265 SOC_SINGLE_TLV("MIXINL Direct Voice Volume", WM8993_INPUT_MIXER5, 0, 6, 0,
266 	       inmix_tlv),
267 
268 SOC_SINGLE_TLV("MIXINR IN2R Volume", WM8993_INPUT_MIXER4, 7, 1, 0,
269 	       inmix_sw_tlv),
270 SOC_SINGLE_TLV("MIXINR IN1R Volume", WM8993_INPUT_MIXER4, 4, 1, 0,
271 	       inmix_sw_tlv),
272 SOC_SINGLE_TLV("MIXINR Output Record Volume", WM8993_INPUT_MIXER4, 0, 7, 0,
273 	       inmix_tlv),
274 SOC_SINGLE_TLV("MIXINR IN1RP Volume", WM8993_INPUT_MIXER6, 6, 7, 0, inmix_tlv),
275 SOC_SINGLE_TLV("MIXINR Direct Voice Volume", WM8993_INPUT_MIXER6, 0, 6, 0,
276 	       inmix_tlv),
277 
278 SOC_SINGLE_TLV("Left Output Mixer IN2RN Volume", WM8993_OUTPUT_MIXER5, 6, 7, 1,
279 	       outmix_tlv),
280 SOC_SINGLE_TLV("Left Output Mixer IN2LN Volume", WM8993_OUTPUT_MIXER3, 6, 7, 1,
281 	       outmix_tlv),
282 SOC_SINGLE_TLV("Left Output Mixer IN2LP Volume", WM8993_OUTPUT_MIXER3, 9, 7, 1,
283 	       outmix_tlv),
284 SOC_SINGLE_TLV("Left Output Mixer IN1L Volume", WM8993_OUTPUT_MIXER3, 0, 7, 1,
285 	       outmix_tlv),
286 SOC_SINGLE_TLV("Left Output Mixer IN1R Volume", WM8993_OUTPUT_MIXER3, 3, 7, 1,
287 	       outmix_tlv),
288 SOC_SINGLE_TLV("Left Output Mixer Right Input Volume",
289 	       WM8993_OUTPUT_MIXER5, 3, 7, 1, outmix_tlv),
290 SOC_SINGLE_TLV("Left Output Mixer Left Input Volume",
291 	       WM8993_OUTPUT_MIXER5, 0, 7, 1, outmix_tlv),
292 SOC_SINGLE_TLV("Left Output Mixer DAC Volume", WM8993_OUTPUT_MIXER5, 9, 7, 1,
293 	       outmix_tlv),
294 
295 SOC_SINGLE_TLV("Right Output Mixer IN2LN Volume",
296 	       WM8993_OUTPUT_MIXER6, 6, 7, 1, outmix_tlv),
297 SOC_SINGLE_TLV("Right Output Mixer IN2RN Volume",
298 	       WM8993_OUTPUT_MIXER4, 6, 7, 1, outmix_tlv),
299 SOC_SINGLE_TLV("Right Output Mixer IN1L Volume",
300 	       WM8993_OUTPUT_MIXER4, 3, 7, 1, outmix_tlv),
301 SOC_SINGLE_TLV("Right Output Mixer IN1R Volume",
302 	       WM8993_OUTPUT_MIXER4, 0, 7, 1, outmix_tlv),
303 SOC_SINGLE_TLV("Right Output Mixer IN2RP Volume",
304 	       WM8993_OUTPUT_MIXER4, 9, 7, 1, outmix_tlv),
305 SOC_SINGLE_TLV("Right Output Mixer Left Input Volume",
306 	       WM8993_OUTPUT_MIXER6, 3, 7, 1, outmix_tlv),
307 SOC_SINGLE_TLV("Right Output Mixer Right Input Volume",
308 	       WM8993_OUTPUT_MIXER6, 6, 7, 1, outmix_tlv),
309 SOC_SINGLE_TLV("Right Output Mixer DAC Volume",
310 	       WM8993_OUTPUT_MIXER6, 9, 7, 1, outmix_tlv),
311 
312 SOC_DOUBLE_R_TLV("Output Volume", WM8993_LEFT_OPGA_VOLUME,
313 		 WM8993_RIGHT_OPGA_VOLUME, 0, 63, 0, outpga_tlv),
314 SOC_DOUBLE_R("Output Switch", WM8993_LEFT_OPGA_VOLUME,
315 	     WM8993_RIGHT_OPGA_VOLUME, 6, 1, 0),
316 SOC_DOUBLE_R("Output ZC Switch", WM8993_LEFT_OPGA_VOLUME,
317 	     WM8993_RIGHT_OPGA_VOLUME, 7, 1, 0),
318 
319 SOC_SINGLE("Earpiece Switch", WM8993_HPOUT2_VOLUME, 5, 1, 1),
320 SOC_SINGLE_TLV("Earpiece Volume", WM8993_HPOUT2_VOLUME, 4, 1, 1, earpiece_tlv),
321 
322 SOC_SINGLE_TLV("SPKL Input Volume", WM8993_SPKMIXL_ATTENUATION,
323 	       5, 1, 1, wm_hubs_spkmix_tlv),
324 SOC_SINGLE_TLV("SPKL IN1LP Volume", WM8993_SPKMIXL_ATTENUATION,
325 	       4, 1, 1, wm_hubs_spkmix_tlv),
326 SOC_SINGLE_TLV("SPKL Output Volume", WM8993_SPKMIXL_ATTENUATION,
327 	       3, 1, 1, wm_hubs_spkmix_tlv),
328 
329 SOC_SINGLE_TLV("SPKR Input Volume", WM8993_SPKMIXR_ATTENUATION,
330 	       5, 1, 1, wm_hubs_spkmix_tlv),
331 SOC_SINGLE_TLV("SPKR IN1RP Volume", WM8993_SPKMIXR_ATTENUATION,
332 	       4, 1, 1, wm_hubs_spkmix_tlv),
333 SOC_SINGLE_TLV("SPKR Output Volume", WM8993_SPKMIXR_ATTENUATION,
334 	       3, 1, 1, wm_hubs_spkmix_tlv),
335 
336 SOC_DOUBLE_R_TLV("Speaker Mixer Volume",
337 		 WM8993_SPKMIXL_ATTENUATION, WM8993_SPKMIXR_ATTENUATION,
338 		 0, 3, 1, spkmixout_tlv),
339 SOC_DOUBLE_R_TLV("Speaker Volume",
340 		 WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
341 		 0, 63, 0, outpga_tlv),
342 SOC_DOUBLE_R("Speaker Switch",
343 	     WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
344 	     6, 1, 0),
345 SOC_DOUBLE_R("Speaker ZC Switch",
346 	     WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
347 	     7, 1, 0),
348 SOC_DOUBLE_TLV("Speaker Boost Volume", WM8993_SPKOUT_BOOST, 3, 0, 7, 0,
349 	       spkboost_tlv),
350 SOC_ENUM("Speaker Reference", speaker_ref),
351 SOC_ENUM("Speaker Mode", speaker_mode),
352 
353 {
354 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Headphone Volume",
355 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |
356 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,
357 	.tlv.p = outpga_tlv,
358 	.info = snd_soc_info_volsw_2r,
359 	.get = snd_soc_get_volsw_2r, .put = wm8993_put_dc_servo,
360 	.private_value = (unsigned long)&(struct soc_mixer_control) {
361 		.reg = WM8993_LEFT_OUTPUT_VOLUME,
362 		.rreg = WM8993_RIGHT_OUTPUT_VOLUME,
363 		.shift = 0, .max = 63
364 	},
365 },
366 SOC_DOUBLE_R("Headphone Switch", WM8993_LEFT_OUTPUT_VOLUME,
367 	     WM8993_RIGHT_OUTPUT_VOLUME, 6, 1, 0),
368 SOC_DOUBLE_R("Headphone ZC Switch", WM8993_LEFT_OUTPUT_VOLUME,
369 	     WM8993_RIGHT_OUTPUT_VOLUME, 7, 1, 0),
370 
371 SOC_SINGLE("LINEOUT1N Switch", WM8993_LINE_OUTPUTS_VOLUME, 6, 1, 1),
372 SOC_SINGLE("LINEOUT1P Switch", WM8993_LINE_OUTPUTS_VOLUME, 5, 1, 1),
373 SOC_SINGLE_TLV("LINEOUT1 Volume", WM8993_LINE_OUTPUTS_VOLUME, 4, 1, 1,
374 	       line_tlv),
375 
376 SOC_SINGLE("LINEOUT2N Switch", WM8993_LINE_OUTPUTS_VOLUME, 2, 1, 1),
377 SOC_SINGLE("LINEOUT2P Switch", WM8993_LINE_OUTPUTS_VOLUME, 1, 1, 1),
378 SOC_SINGLE_TLV("LINEOUT2 Volume", WM8993_LINE_OUTPUTS_VOLUME, 0, 1, 1,
379 	       line_tlv),
380 };
381 
382 static int hp_supply_event(struct snd_soc_dapm_widget *w,
383 			   struct snd_kcontrol *kcontrol, int event)
384 {
385 	struct snd_soc_codec *codec = w->codec;
386 	struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
387 
388 	switch (event) {
389 	case SND_SOC_DAPM_PRE_PMU:
390 		switch (hubs->hp_startup_mode) {
391 		case 0:
392 			break;
393 		case 1:
394 			/* Enable the headphone amp */
395 			snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
396 					    WM8993_HPOUT1L_ENA |
397 					    WM8993_HPOUT1R_ENA,
398 					    WM8993_HPOUT1L_ENA |
399 					    WM8993_HPOUT1R_ENA);
400 
401 			/* Enable the second stage */
402 			snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
403 					    WM8993_HPOUT1L_DLY |
404 					    WM8993_HPOUT1R_DLY,
405 					    WM8993_HPOUT1L_DLY |
406 					    WM8993_HPOUT1R_DLY);
407 			break;
408 		default:
409 			dev_err(codec->dev, "Unknown HP startup mode %d\n",
410 				hubs->hp_startup_mode);
411 			break;
412 		}
413 
414 	case SND_SOC_DAPM_PRE_PMD:
415 		snd_soc_update_bits(codec, WM8993_CHARGE_PUMP_1,
416 				    WM8993_CP_ENA, 0);
417 		break;
418 	}
419 
420 	return 0;
421 }
422 
423 static int hp_event(struct snd_soc_dapm_widget *w,
424 		    struct snd_kcontrol *kcontrol, int event)
425 {
426 	struct snd_soc_codec *codec = w->codec;
427 	unsigned int reg = snd_soc_read(codec, WM8993_ANALOGUE_HP_0);
428 
429 	switch (event) {
430 	case SND_SOC_DAPM_POST_PMU:
431 		snd_soc_update_bits(codec, WM8993_CHARGE_PUMP_1,
432 				    WM8993_CP_ENA, WM8993_CP_ENA);
433 
434 		msleep(5);
435 
436 		snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
437 				    WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA,
438 				    WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA);
439 
440 		reg |= WM8993_HPOUT1L_DLY | WM8993_HPOUT1R_DLY;
441 		snd_soc_write(codec, WM8993_ANALOGUE_HP_0, reg);
442 
443 		/* Smallest supported update interval */
444 		snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
445 				    WM8993_DCS_TIMER_PERIOD_01_MASK, 1);
446 
447 		calibrate_dc_servo(codec);
448 
449 		reg |= WM8993_HPOUT1R_OUTP | WM8993_HPOUT1R_RMV_SHORT |
450 			WM8993_HPOUT1L_OUTP | WM8993_HPOUT1L_RMV_SHORT;
451 		snd_soc_write(codec, WM8993_ANALOGUE_HP_0, reg);
452 		break;
453 
454 	case SND_SOC_DAPM_PRE_PMD:
455 		snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
456 				    WM8993_HPOUT1L_OUTP |
457 				    WM8993_HPOUT1R_OUTP |
458 				    WM8993_HPOUT1L_RMV_SHORT |
459 				    WM8993_HPOUT1R_RMV_SHORT, 0);
460 
461 		snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
462 				    WM8993_HPOUT1L_DLY |
463 				    WM8993_HPOUT1R_DLY, 0);
464 
465 		snd_soc_write(codec, WM8993_DC_SERVO_0, 0);
466 
467 		snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
468 				    WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA,
469 				    0);
470 		break;
471 	}
472 
473 	return 0;
474 }
475 
476 static int earpiece_event(struct snd_soc_dapm_widget *w,
477 			  struct snd_kcontrol *control, int event)
478 {
479 	struct snd_soc_codec *codec = w->codec;
480 	u16 reg = snd_soc_read(codec, WM8993_ANTIPOP1) & ~WM8993_HPOUT2_IN_ENA;
481 
482 	switch (event) {
483 	case SND_SOC_DAPM_PRE_PMU:
484 		reg |= WM8993_HPOUT2_IN_ENA;
485 		snd_soc_write(codec, WM8993_ANTIPOP1, reg);
486 		udelay(50);
487 		break;
488 
489 	case SND_SOC_DAPM_POST_PMD:
490 		snd_soc_write(codec, WM8993_ANTIPOP1, reg);
491 		break;
492 
493 	default:
494 		BUG();
495 		break;
496 	}
497 
498 	return 0;
499 }
500 
501 static const struct snd_kcontrol_new in1l_pga[] = {
502 SOC_DAPM_SINGLE("IN1LP Switch", WM8993_INPUT_MIXER2, 5, 1, 0),
503 SOC_DAPM_SINGLE("IN1LN Switch", WM8993_INPUT_MIXER2, 4, 1, 0),
504 };
505 
506 static const struct snd_kcontrol_new in1r_pga[] = {
507 SOC_DAPM_SINGLE("IN1RP Switch", WM8993_INPUT_MIXER2, 1, 1, 0),
508 SOC_DAPM_SINGLE("IN1RN Switch", WM8993_INPUT_MIXER2, 0, 1, 0),
509 };
510 
511 static const struct snd_kcontrol_new in2l_pga[] = {
512 SOC_DAPM_SINGLE("IN2LP Switch", WM8993_INPUT_MIXER2, 7, 1, 0),
513 SOC_DAPM_SINGLE("IN2LN Switch", WM8993_INPUT_MIXER2, 6, 1, 0),
514 };
515 
516 static const struct snd_kcontrol_new in2r_pga[] = {
517 SOC_DAPM_SINGLE("IN2RP Switch", WM8993_INPUT_MIXER2, 3, 1, 0),
518 SOC_DAPM_SINGLE("IN2RN Switch", WM8993_INPUT_MIXER2, 2, 1, 0),
519 };
520 
521 static const struct snd_kcontrol_new mixinl[] = {
522 SOC_DAPM_SINGLE("IN2L Switch", WM8993_INPUT_MIXER3, 8, 1, 0),
523 SOC_DAPM_SINGLE("IN1L Switch", WM8993_INPUT_MIXER3, 5, 1, 0),
524 };
525 
526 static const struct snd_kcontrol_new mixinr[] = {
527 SOC_DAPM_SINGLE("IN2R Switch", WM8993_INPUT_MIXER4, 8, 1, 0),
528 SOC_DAPM_SINGLE("IN1R Switch", WM8993_INPUT_MIXER4, 5, 1, 0),
529 };
530 
531 static const struct snd_kcontrol_new left_output_mixer[] = {
532 SOC_DAPM_SINGLE("Right Input Switch", WM8993_OUTPUT_MIXER1, 7, 1, 0),
533 SOC_DAPM_SINGLE("Left Input Switch", WM8993_OUTPUT_MIXER1, 6, 1, 0),
534 SOC_DAPM_SINGLE("IN2RN Switch", WM8993_OUTPUT_MIXER1, 5, 1, 0),
535 SOC_DAPM_SINGLE("IN2LN Switch", WM8993_OUTPUT_MIXER1, 4, 1, 0),
536 SOC_DAPM_SINGLE("IN2LP Switch", WM8993_OUTPUT_MIXER1, 1, 1, 0),
537 SOC_DAPM_SINGLE("IN1R Switch", WM8993_OUTPUT_MIXER1, 3, 1, 0),
538 SOC_DAPM_SINGLE("IN1L Switch", WM8993_OUTPUT_MIXER1, 2, 1, 0),
539 SOC_DAPM_SINGLE("DAC Switch", WM8993_OUTPUT_MIXER1, 0, 1, 0),
540 };
541 
542 static const struct snd_kcontrol_new right_output_mixer[] = {
543 SOC_DAPM_SINGLE("Left Input Switch", WM8993_OUTPUT_MIXER2, 7, 1, 0),
544 SOC_DAPM_SINGLE("Right Input Switch", WM8993_OUTPUT_MIXER2, 6, 1, 0),
545 SOC_DAPM_SINGLE("IN2LN Switch", WM8993_OUTPUT_MIXER2, 5, 1, 0),
546 SOC_DAPM_SINGLE("IN2RN Switch", WM8993_OUTPUT_MIXER2, 4, 1, 0),
547 SOC_DAPM_SINGLE("IN1L Switch", WM8993_OUTPUT_MIXER2, 3, 1, 0),
548 SOC_DAPM_SINGLE("IN1R Switch", WM8993_OUTPUT_MIXER2, 2, 1, 0),
549 SOC_DAPM_SINGLE("IN2RP Switch", WM8993_OUTPUT_MIXER2, 1, 1, 0),
550 SOC_DAPM_SINGLE("DAC Switch", WM8993_OUTPUT_MIXER2, 0, 1, 0),
551 };
552 
553 static const struct snd_kcontrol_new earpiece_mixer[] = {
554 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_HPOUT2_MIXER, 5, 1, 0),
555 SOC_DAPM_SINGLE("Left Output Switch", WM8993_HPOUT2_MIXER, 4, 1, 0),
556 SOC_DAPM_SINGLE("Right Output Switch", WM8993_HPOUT2_MIXER, 3, 1, 0),
557 };
558 
559 static const struct snd_kcontrol_new left_speaker_boost[] = {
560 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_SPKOUT_MIXERS, 5, 1, 0),
561 SOC_DAPM_SINGLE("SPKL Switch", WM8993_SPKOUT_MIXERS, 4, 1, 0),
562 SOC_DAPM_SINGLE("SPKR Switch", WM8993_SPKOUT_MIXERS, 3, 1, 0),
563 };
564 
565 static const struct snd_kcontrol_new right_speaker_boost[] = {
566 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_SPKOUT_MIXERS, 2, 1, 0),
567 SOC_DAPM_SINGLE("SPKL Switch", WM8993_SPKOUT_MIXERS, 1, 1, 0),
568 SOC_DAPM_SINGLE("SPKR Switch", WM8993_SPKOUT_MIXERS, 0, 1, 0),
569 };
570 
571 static const struct snd_kcontrol_new line1_mix[] = {
572 SOC_DAPM_SINGLE("IN1R Switch", WM8993_LINE_MIXER1, 2, 1, 0),
573 SOC_DAPM_SINGLE("IN1L Switch", WM8993_LINE_MIXER1, 1, 1, 0),
574 SOC_DAPM_SINGLE("Output Switch", WM8993_LINE_MIXER1, 0, 1, 0),
575 };
576 
577 static const struct snd_kcontrol_new line1n_mix[] = {
578 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER1, 6, 1, 0),
579 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER1, 5, 1, 0),
580 };
581 
582 static const struct snd_kcontrol_new line1p_mix[] = {
583 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER1, 0, 1, 0),
584 };
585 
586 static const struct snd_kcontrol_new line2_mix[] = {
587 SOC_DAPM_SINGLE("IN2R Switch", WM8993_LINE_MIXER2, 2, 1, 0),
588 SOC_DAPM_SINGLE("IN2L Switch", WM8993_LINE_MIXER2, 1, 1, 0),
589 SOC_DAPM_SINGLE("Output Switch", WM8993_LINE_MIXER2, 0, 1, 0),
590 };
591 
592 static const struct snd_kcontrol_new line2n_mix[] = {
593 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER2, 6, 1, 0),
594 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER2, 5, 1, 0),
595 };
596 
597 static const struct snd_kcontrol_new line2p_mix[] = {
598 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER2, 0, 1, 0),
599 };
600 
601 static const struct snd_soc_dapm_widget analogue_dapm_widgets[] = {
602 SND_SOC_DAPM_INPUT("IN1LN"),
603 SND_SOC_DAPM_INPUT("IN1LP"),
604 SND_SOC_DAPM_INPUT("IN2LN"),
605 SND_SOC_DAPM_INPUT("IN2LP:VXRN"),
606 SND_SOC_DAPM_INPUT("IN1RN"),
607 SND_SOC_DAPM_INPUT("IN1RP"),
608 SND_SOC_DAPM_INPUT("IN2RN"),
609 SND_SOC_DAPM_INPUT("IN2RP:VXRP"),
610 
611 SND_SOC_DAPM_MICBIAS("MICBIAS2", WM8993_POWER_MANAGEMENT_1, 5, 0),
612 SND_SOC_DAPM_MICBIAS("MICBIAS1", WM8993_POWER_MANAGEMENT_1, 4, 0),
613 
614 SND_SOC_DAPM_MIXER("IN1L PGA", WM8993_POWER_MANAGEMENT_2, 6, 0,
615 		   in1l_pga, ARRAY_SIZE(in1l_pga)),
616 SND_SOC_DAPM_MIXER("IN1R PGA", WM8993_POWER_MANAGEMENT_2, 4, 0,
617 		   in1r_pga, ARRAY_SIZE(in1r_pga)),
618 
619 SND_SOC_DAPM_MIXER("IN2L PGA", WM8993_POWER_MANAGEMENT_2, 7, 0,
620 		   in2l_pga, ARRAY_SIZE(in2l_pga)),
621 SND_SOC_DAPM_MIXER("IN2R PGA", WM8993_POWER_MANAGEMENT_2, 5, 0,
622 		   in2r_pga, ARRAY_SIZE(in2r_pga)),
623 
624 SND_SOC_DAPM_MIXER("MIXINL", WM8993_POWER_MANAGEMENT_2, 9, 0,
625 		   mixinl, ARRAY_SIZE(mixinl)),
626 SND_SOC_DAPM_MIXER("MIXINR", WM8993_POWER_MANAGEMENT_2, 8, 0,
627 		   mixinr, ARRAY_SIZE(mixinr)),
628 
629 SND_SOC_DAPM_MIXER("Left Output Mixer", WM8993_POWER_MANAGEMENT_3, 5, 0,
630 		   left_output_mixer, ARRAY_SIZE(left_output_mixer)),
631 SND_SOC_DAPM_MIXER("Right Output Mixer", WM8993_POWER_MANAGEMENT_3, 4, 0,
632 		   right_output_mixer, ARRAY_SIZE(right_output_mixer)),
633 
634 SND_SOC_DAPM_PGA("Left Output PGA", WM8993_POWER_MANAGEMENT_3, 7, 0, NULL, 0),
635 SND_SOC_DAPM_PGA("Right Output PGA", WM8993_POWER_MANAGEMENT_3, 6, 0, NULL, 0),
636 
637 SND_SOC_DAPM_SUPPLY("Headphone Supply", SND_SOC_NOPM, 0, 0, hp_supply_event,
638 		    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
639 SND_SOC_DAPM_PGA_E("Headphone PGA", SND_SOC_NOPM, 0, 0,
640 		   NULL, 0,
641 		   hp_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
642 
643 SND_SOC_DAPM_MIXER("Earpiece Mixer", SND_SOC_NOPM, 0, 0,
644 		   earpiece_mixer, ARRAY_SIZE(earpiece_mixer)),
645 SND_SOC_DAPM_PGA_E("Earpiece Driver", WM8993_POWER_MANAGEMENT_1, 11, 0,
646 		   NULL, 0, earpiece_event,
647 		   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
648 
649 SND_SOC_DAPM_MIXER("SPKL Boost", SND_SOC_NOPM, 0, 0,
650 		   left_speaker_boost, ARRAY_SIZE(left_speaker_boost)),
651 SND_SOC_DAPM_MIXER("SPKR Boost", SND_SOC_NOPM, 0, 0,
652 		   right_speaker_boost, ARRAY_SIZE(right_speaker_boost)),
653 
654 SND_SOC_DAPM_PGA("SPKL Driver", WM8993_POWER_MANAGEMENT_1, 12, 0,
655 		 NULL, 0),
656 SND_SOC_DAPM_PGA("SPKR Driver", WM8993_POWER_MANAGEMENT_1, 13, 0,
657 		 NULL, 0),
658 
659 SND_SOC_DAPM_MIXER("LINEOUT1 Mixer", SND_SOC_NOPM, 0, 0,
660 		   line1_mix, ARRAY_SIZE(line1_mix)),
661 SND_SOC_DAPM_MIXER("LINEOUT2 Mixer", SND_SOC_NOPM, 0, 0,
662 		   line2_mix, ARRAY_SIZE(line2_mix)),
663 
664 SND_SOC_DAPM_MIXER("LINEOUT1N Mixer", SND_SOC_NOPM, 0, 0,
665 		   line1n_mix, ARRAY_SIZE(line1n_mix)),
666 SND_SOC_DAPM_MIXER("LINEOUT1P Mixer", SND_SOC_NOPM, 0, 0,
667 		   line1p_mix, ARRAY_SIZE(line1p_mix)),
668 SND_SOC_DAPM_MIXER("LINEOUT2N Mixer", SND_SOC_NOPM, 0, 0,
669 		   line2n_mix, ARRAY_SIZE(line2n_mix)),
670 SND_SOC_DAPM_MIXER("LINEOUT2P Mixer", SND_SOC_NOPM, 0, 0,
671 		   line2p_mix, ARRAY_SIZE(line2p_mix)),
672 
673 SND_SOC_DAPM_PGA("LINEOUT1N Driver", WM8993_POWER_MANAGEMENT_3, 13, 0,
674 		 NULL, 0),
675 SND_SOC_DAPM_PGA("LINEOUT1P Driver", WM8993_POWER_MANAGEMENT_3, 12, 0,
676 		 NULL, 0),
677 SND_SOC_DAPM_PGA("LINEOUT2N Driver", WM8993_POWER_MANAGEMENT_3, 11, 0,
678 		 NULL, 0),
679 SND_SOC_DAPM_PGA("LINEOUT2P Driver", WM8993_POWER_MANAGEMENT_3, 10, 0,
680 		 NULL, 0),
681 
682 SND_SOC_DAPM_OUTPUT("SPKOUTLP"),
683 SND_SOC_DAPM_OUTPUT("SPKOUTLN"),
684 SND_SOC_DAPM_OUTPUT("SPKOUTRP"),
685 SND_SOC_DAPM_OUTPUT("SPKOUTRN"),
686 SND_SOC_DAPM_OUTPUT("HPOUT1L"),
687 SND_SOC_DAPM_OUTPUT("HPOUT1R"),
688 SND_SOC_DAPM_OUTPUT("HPOUT2P"),
689 SND_SOC_DAPM_OUTPUT("HPOUT2N"),
690 SND_SOC_DAPM_OUTPUT("LINEOUT1P"),
691 SND_SOC_DAPM_OUTPUT("LINEOUT1N"),
692 SND_SOC_DAPM_OUTPUT("LINEOUT2P"),
693 SND_SOC_DAPM_OUTPUT("LINEOUT2N"),
694 };
695 
696 static const struct snd_soc_dapm_route analogue_routes[] = {
697 	{ "MICBIAS1", NULL, "CLK_SYS" },
698 	{ "MICBIAS2", NULL, "CLK_SYS" },
699 
700 	{ "IN1L PGA", "IN1LP Switch", "IN1LP" },
701 	{ "IN1L PGA", "IN1LN Switch", "IN1LN" },
702 
703 	{ "IN1R PGA", "IN1RP Switch", "IN1RP" },
704 	{ "IN1R PGA", "IN1RN Switch", "IN1RN" },
705 
706 	{ "IN2L PGA", "IN2LP Switch", "IN2LP:VXRN" },
707 	{ "IN2L PGA", "IN2LN Switch", "IN2LN" },
708 
709 	{ "IN2R PGA", "IN2RP Switch", "IN2RP:VXRP" },
710 	{ "IN2R PGA", "IN2RN Switch", "IN2RN" },
711 
712 	{ "Direct Voice", NULL, "IN2LP:VXRN" },
713 	{ "Direct Voice", NULL, "IN2RP:VXRP" },
714 
715 	{ "MIXINL", "IN1L Switch", "IN1L PGA" },
716 	{ "MIXINL", "IN2L Switch", "IN2L PGA" },
717 	{ "MIXINL", NULL, "Direct Voice" },
718 	{ "MIXINL", NULL, "IN1LP" },
719 	{ "MIXINL", NULL, "Left Output Mixer" },
720 
721 	{ "MIXINR", "IN1R Switch", "IN1R PGA" },
722 	{ "MIXINR", "IN2R Switch", "IN2R PGA" },
723 	{ "MIXINR", NULL, "Direct Voice" },
724 	{ "MIXINR", NULL, "IN1RP" },
725 	{ "MIXINR", NULL, "Right Output Mixer" },
726 
727 	{ "ADCL", NULL, "MIXINL" },
728 	{ "ADCR", NULL, "MIXINR" },
729 
730 	{ "Left Output Mixer", "Left Input Switch", "MIXINL" },
731 	{ "Left Output Mixer", "Right Input Switch", "MIXINR" },
732 	{ "Left Output Mixer", "IN2RN Switch", "IN2RN" },
733 	{ "Left Output Mixer", "IN2LN Switch", "IN2LN" },
734 	{ "Left Output Mixer", "IN2LP Switch", "IN2LP:VXRN" },
735 	{ "Left Output Mixer", "IN1L Switch", "IN1L PGA" },
736 	{ "Left Output Mixer", "IN1R Switch", "IN1R PGA" },
737 
738 	{ "Right Output Mixer", "Left Input Switch", "MIXINL" },
739 	{ "Right Output Mixer", "Right Input Switch", "MIXINR" },
740 	{ "Right Output Mixer", "IN2LN Switch", "IN2LN" },
741 	{ "Right Output Mixer", "IN2RN Switch", "IN2RN" },
742 	{ "Right Output Mixer", "IN2RP Switch", "IN2RP:VXRP" },
743 	{ "Right Output Mixer", "IN1L Switch", "IN1L PGA" },
744 	{ "Right Output Mixer", "IN1R Switch", "IN1R PGA" },
745 
746 	{ "Left Output PGA", NULL, "Left Output Mixer" },
747 	{ "Left Output PGA", NULL, "TOCLK" },
748 
749 	{ "Right Output PGA", NULL, "Right Output Mixer" },
750 	{ "Right Output PGA", NULL, "TOCLK" },
751 
752 	{ "Earpiece Mixer", "Direct Voice Switch", "Direct Voice" },
753 	{ "Earpiece Mixer", "Left Output Switch", "Left Output PGA" },
754 	{ "Earpiece Mixer", "Right Output Switch", "Right Output PGA" },
755 
756 	{ "Earpiece Driver", NULL, "Earpiece Mixer" },
757 	{ "HPOUT2N", NULL, "Earpiece Driver" },
758 	{ "HPOUT2P", NULL, "Earpiece Driver" },
759 
760 	{ "SPKL", "Input Switch", "MIXINL" },
761 	{ "SPKL", "IN1LP Switch", "IN1LP" },
762 	{ "SPKL", "Output Switch", "Left Output PGA" },
763 	{ "SPKL", NULL, "TOCLK" },
764 
765 	{ "SPKR", "Input Switch", "MIXINR" },
766 	{ "SPKR", "IN1RP Switch", "IN1RP" },
767 	{ "SPKR", "Output Switch", "Right Output PGA" },
768 	{ "SPKR", NULL, "TOCLK" },
769 
770 	{ "SPKL Boost", "Direct Voice Switch", "Direct Voice" },
771 	{ "SPKL Boost", "SPKL Switch", "SPKL" },
772 	{ "SPKL Boost", "SPKR Switch", "SPKR" },
773 
774 	{ "SPKR Boost", "Direct Voice Switch", "Direct Voice" },
775 	{ "SPKR Boost", "SPKR Switch", "SPKR" },
776 	{ "SPKR Boost", "SPKL Switch", "SPKL" },
777 
778 	{ "SPKL Driver", NULL, "SPKL Boost" },
779 	{ "SPKL Driver", NULL, "CLK_SYS" },
780 
781 	{ "SPKR Driver", NULL, "SPKR Boost" },
782 	{ "SPKR Driver", NULL, "CLK_SYS" },
783 
784 	{ "SPKOUTLP", NULL, "SPKL Driver" },
785 	{ "SPKOUTLN", NULL, "SPKL Driver" },
786 	{ "SPKOUTRP", NULL, "SPKR Driver" },
787 	{ "SPKOUTRN", NULL, "SPKR Driver" },
788 
789 	{ "Left Headphone Mux", "Mixer", "Left Output PGA" },
790 	{ "Right Headphone Mux", "Mixer", "Right Output PGA" },
791 
792 	{ "Headphone PGA", NULL, "Left Headphone Mux" },
793 	{ "Headphone PGA", NULL, "Right Headphone Mux" },
794 	{ "Headphone PGA", NULL, "CLK_SYS" },
795 	{ "Headphone PGA", NULL, "Headphone Supply" },
796 
797 	{ "HPOUT1L", NULL, "Headphone PGA" },
798 	{ "HPOUT1R", NULL, "Headphone PGA" },
799 
800 	{ "LINEOUT1N", NULL, "LINEOUT1N Driver" },
801 	{ "LINEOUT1P", NULL, "LINEOUT1P Driver" },
802 	{ "LINEOUT2N", NULL, "LINEOUT2N Driver" },
803 	{ "LINEOUT2P", NULL, "LINEOUT2P Driver" },
804 };
805 
806 static const struct snd_soc_dapm_route lineout1_diff_routes[] = {
807 	{ "LINEOUT1 Mixer", "IN1L Switch", "IN1L PGA" },
808 	{ "LINEOUT1 Mixer", "IN1R Switch", "IN1R PGA" },
809 	{ "LINEOUT1 Mixer", "Output Switch", "Left Output PGA" },
810 
811 	{ "LINEOUT1N Driver", NULL, "LINEOUT1 Mixer" },
812 	{ "LINEOUT1P Driver", NULL, "LINEOUT1 Mixer" },
813 };
814 
815 static const struct snd_soc_dapm_route lineout1_se_routes[] = {
816 	{ "LINEOUT1N Mixer", "Left Output Switch", "Left Output PGA" },
817 	{ "LINEOUT1N Mixer", "Right Output Switch", "Right Output PGA" },
818 
819 	{ "LINEOUT1P Mixer", "Left Output Switch", "Left Output PGA" },
820 
821 	{ "LINEOUT1N Driver", NULL, "LINEOUT1N Mixer" },
822 	{ "LINEOUT1P Driver", NULL, "LINEOUT1P Mixer" },
823 };
824 
825 static const struct snd_soc_dapm_route lineout2_diff_routes[] = {
826 	{ "LINEOUT2 Mixer", "IN2L Switch", "IN2L PGA" },
827 	{ "LINEOUT2 Mixer", "IN2R Switch", "IN2R PGA" },
828 	{ "LINEOUT2 Mixer", "Output Switch", "Right Output PGA" },
829 
830 	{ "LINEOUT2N Driver", NULL, "LINEOUT2 Mixer" },
831 	{ "LINEOUT2P Driver", NULL, "LINEOUT2 Mixer" },
832 };
833 
834 static const struct snd_soc_dapm_route lineout2_se_routes[] = {
835 	{ "LINEOUT2N Mixer", "Left Output Switch", "Left Output PGA" },
836 	{ "LINEOUT2N Mixer", "Right Output Switch", "Right Output PGA" },
837 
838 	{ "LINEOUT2P Mixer", "Right Output Switch", "Right Output PGA" },
839 
840 	{ "LINEOUT2N Driver", NULL, "LINEOUT2N Mixer" },
841 	{ "LINEOUT2P Driver", NULL, "LINEOUT2P Mixer" },
842 };
843 
844 int wm_hubs_add_analogue_controls(struct snd_soc_codec *codec)
845 {
846 	struct snd_soc_dapm_context *dapm = &codec->dapm;
847 
848 	/* Latch volume update bits & default ZC on */
849 	snd_soc_update_bits(codec, WM8993_LEFT_LINE_INPUT_1_2_VOLUME,
850 			    WM8993_IN1_VU, WM8993_IN1_VU);
851 	snd_soc_update_bits(codec, WM8993_RIGHT_LINE_INPUT_1_2_VOLUME,
852 			    WM8993_IN1_VU, WM8993_IN1_VU);
853 	snd_soc_update_bits(codec, WM8993_LEFT_LINE_INPUT_3_4_VOLUME,
854 			    WM8993_IN2_VU, WM8993_IN2_VU);
855 	snd_soc_update_bits(codec, WM8993_RIGHT_LINE_INPUT_3_4_VOLUME,
856 			    WM8993_IN2_VU, WM8993_IN2_VU);
857 
858 	snd_soc_update_bits(codec, WM8993_SPEAKER_VOLUME_LEFT,
859 			    WM8993_SPKOUT_VU, WM8993_SPKOUT_VU);
860 	snd_soc_update_bits(codec, WM8993_SPEAKER_VOLUME_RIGHT,
861 			    WM8993_SPKOUT_VU, WM8993_SPKOUT_VU);
862 
863 	snd_soc_update_bits(codec, WM8993_LEFT_OUTPUT_VOLUME,
864 			    WM8993_HPOUT1_VU | WM8993_HPOUT1L_ZC,
865 			    WM8993_HPOUT1_VU | WM8993_HPOUT1L_ZC);
866 	snd_soc_update_bits(codec, WM8993_RIGHT_OUTPUT_VOLUME,
867 			    WM8993_HPOUT1_VU | WM8993_HPOUT1R_ZC,
868 			    WM8993_HPOUT1_VU | WM8993_HPOUT1R_ZC);
869 
870 	snd_soc_update_bits(codec, WM8993_LEFT_OPGA_VOLUME,
871 			    WM8993_MIXOUTL_ZC | WM8993_MIXOUT_VU,
872 			    WM8993_MIXOUTL_ZC | WM8993_MIXOUT_VU);
873 	snd_soc_update_bits(codec, WM8993_RIGHT_OPGA_VOLUME,
874 			    WM8993_MIXOUTR_ZC | WM8993_MIXOUT_VU,
875 			    WM8993_MIXOUTR_ZC | WM8993_MIXOUT_VU);
876 
877 	snd_soc_add_controls(codec, analogue_snd_controls,
878 			     ARRAY_SIZE(analogue_snd_controls));
879 
880 	snd_soc_dapm_new_controls(dapm, analogue_dapm_widgets,
881 				  ARRAY_SIZE(analogue_dapm_widgets));
882 	return 0;
883 }
884 EXPORT_SYMBOL_GPL(wm_hubs_add_analogue_controls);
885 
886 int wm_hubs_add_analogue_routes(struct snd_soc_codec *codec,
887 				int lineout1_diff, int lineout2_diff)
888 {
889 	struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
890 	struct snd_soc_dapm_context *dapm = &codec->dapm;
891 
892 	init_completion(&hubs->dcs_done);
893 
894 	snd_soc_dapm_add_routes(dapm, analogue_routes,
895 				ARRAY_SIZE(analogue_routes));
896 
897 	if (lineout1_diff)
898 		snd_soc_dapm_add_routes(dapm,
899 					lineout1_diff_routes,
900 					ARRAY_SIZE(lineout1_diff_routes));
901 	else
902 		snd_soc_dapm_add_routes(dapm,
903 					lineout1_se_routes,
904 					ARRAY_SIZE(lineout1_se_routes));
905 
906 	if (lineout2_diff)
907 		snd_soc_dapm_add_routes(dapm,
908 					lineout2_diff_routes,
909 					ARRAY_SIZE(lineout2_diff_routes));
910 	else
911 		snd_soc_dapm_add_routes(dapm,
912 					lineout2_se_routes,
913 					ARRAY_SIZE(lineout2_se_routes));
914 
915 	return 0;
916 }
917 EXPORT_SYMBOL_GPL(wm_hubs_add_analogue_routes);
918 
919 int wm_hubs_handle_analogue_pdata(struct snd_soc_codec *codec,
920 				  int lineout1_diff, int lineout2_diff,
921 				  int lineout1fb, int lineout2fb,
922 				  int jd_scthr, int jd_thr, int micbias1_lvl,
923 				  int micbias2_lvl)
924 {
925 	if (!lineout1_diff)
926 		snd_soc_update_bits(codec, WM8993_LINE_MIXER1,
927 				    WM8993_LINEOUT1_MODE,
928 				    WM8993_LINEOUT1_MODE);
929 	if (!lineout2_diff)
930 		snd_soc_update_bits(codec, WM8993_LINE_MIXER2,
931 				    WM8993_LINEOUT2_MODE,
932 				    WM8993_LINEOUT2_MODE);
933 
934 	/* If the line outputs are differential then we aren't presenting
935 	 * VMID as an output and can disable it.
936 	 */
937 	if (lineout1_diff && lineout2_diff)
938 		codec->dapm.idle_bias_off = 1;
939 
940 	if (lineout1fb)
941 		snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL,
942 				    WM8993_LINEOUT1_FB, WM8993_LINEOUT1_FB);
943 
944 	if (lineout2fb)
945 		snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL,
946 				    WM8993_LINEOUT2_FB, WM8993_LINEOUT2_FB);
947 
948 	snd_soc_update_bits(codec, WM8993_MICBIAS,
949 			    WM8993_JD_SCTHR_MASK | WM8993_JD_THR_MASK |
950 			    WM8993_MICB1_LVL | WM8993_MICB2_LVL,
951 			    jd_scthr << WM8993_JD_SCTHR_SHIFT |
952 			    jd_thr << WM8993_JD_THR_SHIFT |
953 			    micbias1_lvl |
954 			    micbias2_lvl << WM8993_MICB2_LVL_SHIFT);
955 
956 	return 0;
957 }
958 EXPORT_SYMBOL_GPL(wm_hubs_handle_analogue_pdata);
959 
960 MODULE_DESCRIPTION("Shared support for Wolfson hubs products");
961 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
962 MODULE_LICENSE("GPL");
963