xref: /openbmc/linux/sound/soc/codecs/wm_hubs.c (revision 4800cd83)
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 	s8 offset;
95 	u16 reg, reg_l, reg_r, dcs_cfg;
96 
97 	/* If we're using a digital only path and have a previously
98 	 * callibrated DC servo offset stored then use that. */
99 	if (hubs->class_w && hubs->class_w_dcs) {
100 		dev_dbg(codec->dev, "Using cached DC servo offset %x\n",
101 			hubs->class_w_dcs);
102 		snd_soc_write(codec, WM8993_DC_SERVO_3, hubs->class_w_dcs);
103 		wait_for_dc_servo(codec,
104 				  WM8993_DCS_TRIG_DAC_WR_0 |
105 				  WM8993_DCS_TRIG_DAC_WR_1);
106 		return;
107 	}
108 
109 	/* Devices not using a DCS code correction have startup mode */
110 	if (hubs->dcs_codes) {
111 		/* Set for 32 series updates */
112 		snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
113 				    WM8993_DCS_SERIES_NO_01_MASK,
114 				    32 << WM8993_DCS_SERIES_NO_01_SHIFT);
115 		wait_for_dc_servo(codec,
116 				  WM8993_DCS_TRIG_SERIES_0 |
117 				  WM8993_DCS_TRIG_SERIES_1);
118 	} else {
119 		wait_for_dc_servo(codec,
120 				  WM8993_DCS_TRIG_STARTUP_0 |
121 				  WM8993_DCS_TRIG_STARTUP_1);
122 	}
123 
124 	/* Different chips in the family support different readback
125 	 * methods.
126 	 */
127 	switch (hubs->dcs_readback_mode) {
128 	case 0:
129 		reg_l = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_1)
130 			& WM8993_DCS_INTEG_CHAN_0_MASK;
131 		reg_r = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_2)
132 			& WM8993_DCS_INTEG_CHAN_1_MASK;
133 		break;
134 	case 1:
135 		reg = snd_soc_read(codec, WM8993_DC_SERVO_3);
136 		reg_l = (reg & WM8993_DCS_DAC_WR_VAL_1_MASK)
137 			>> WM8993_DCS_DAC_WR_VAL_1_SHIFT;
138 		reg_r = reg & WM8993_DCS_DAC_WR_VAL_0_MASK;
139 		break;
140 	default:
141 		WARN(1, "Unknown DCS readback method\n");
142 		break;
143 	}
144 
145 	dev_dbg(codec->dev, "DCS input: %x %x\n", reg_l, reg_r);
146 
147 	/* Apply correction to DC servo result */
148 	if (hubs->dcs_codes) {
149 		dev_dbg(codec->dev, "Applying %d code DC servo correction\n",
150 			hubs->dcs_codes);
151 
152 		/* HPOUT1L */
153 		offset = reg_l;
154 		offset += hubs->dcs_codes;
155 		dcs_cfg = (u8)offset << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
156 
157 		/* HPOUT1R */
158 		offset = reg_r;
159 		offset += hubs->dcs_codes;
160 		dcs_cfg |= (u8)offset;
161 
162 		dev_dbg(codec->dev, "DCS result: %x\n", dcs_cfg);
163 
164 		/* Do it */
165 		snd_soc_write(codec, WM8993_DC_SERVO_3, dcs_cfg);
166 		wait_for_dc_servo(codec,
167 				  WM8993_DCS_TRIG_DAC_WR_0 |
168 				  WM8993_DCS_TRIG_DAC_WR_1);
169 	} else {
170 		dcs_cfg = reg_l << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
171 		dcs_cfg |= reg_r;
172 	}
173 
174 	/* Save the callibrated offset if we're in class W mode and
175 	 * therefore don't have any analogue signal mixed in. */
176 	if (hubs->class_w)
177 		hubs->class_w_dcs = dcs_cfg;
178 }
179 
180 /*
181  * Update the DC servo calibration on gain changes
182  */
183 static int wm8993_put_dc_servo(struct snd_kcontrol *kcontrol,
184 			       struct snd_ctl_elem_value *ucontrol)
185 {
186 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
187 	struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
188 	int ret;
189 
190 	ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
191 
192 	/* Updating the analogue gains invalidates the DC servo cache */
193 	hubs->class_w_dcs = 0;
194 
195 	/* If we're applying an offset correction then updating the
196 	 * callibration would be likely to introduce further offsets. */
197 	if (hubs->dcs_codes)
198 		return ret;
199 
200 	/* Only need to do this if the outputs are active */
201 	if (snd_soc_read(codec, WM8993_POWER_MANAGEMENT_1)
202 	    & (WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA))
203 		snd_soc_update_bits(codec,
204 				    WM8993_DC_SERVO_0,
205 				    WM8993_DCS_TRIG_SINGLE_0 |
206 				    WM8993_DCS_TRIG_SINGLE_1,
207 				    WM8993_DCS_TRIG_SINGLE_0 |
208 				    WM8993_DCS_TRIG_SINGLE_1);
209 
210 	return ret;
211 }
212 
213 static const struct snd_kcontrol_new analogue_snd_controls[] = {
214 SOC_SINGLE_TLV("IN1L Volume", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 0, 31, 0,
215 	       inpga_tlv),
216 SOC_SINGLE("IN1L Switch", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 7, 1, 1),
217 SOC_SINGLE("IN1L ZC Switch", WM8993_LEFT_LINE_INPUT_1_2_VOLUME, 7, 1, 0),
218 
219 SOC_SINGLE_TLV("IN1R Volume", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 0, 31, 0,
220 	       inpga_tlv),
221 SOC_SINGLE("IN1R Switch", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 7, 1, 1),
222 SOC_SINGLE("IN1R ZC Switch", WM8993_RIGHT_LINE_INPUT_1_2_VOLUME, 7, 1, 0),
223 
224 
225 SOC_SINGLE_TLV("IN2L Volume", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 0, 31, 0,
226 	       inpga_tlv),
227 SOC_SINGLE("IN2L Switch", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 7, 1, 1),
228 SOC_SINGLE("IN2L ZC Switch", WM8993_LEFT_LINE_INPUT_3_4_VOLUME, 7, 1, 0),
229 
230 SOC_SINGLE_TLV("IN2R Volume", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 0, 31, 0,
231 	       inpga_tlv),
232 SOC_SINGLE("IN2R Switch", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 7, 1, 1),
233 SOC_SINGLE("IN2R ZC Switch", WM8993_RIGHT_LINE_INPUT_3_4_VOLUME, 7, 1, 0),
234 
235 SOC_SINGLE_TLV("MIXINL IN2L Volume", WM8993_INPUT_MIXER3, 7, 1, 0,
236 	       inmix_sw_tlv),
237 SOC_SINGLE_TLV("MIXINL IN1L Volume", WM8993_INPUT_MIXER3, 4, 1, 0,
238 	       inmix_sw_tlv),
239 SOC_SINGLE_TLV("MIXINL Output Record Volume", WM8993_INPUT_MIXER3, 0, 7, 0,
240 	       inmix_tlv),
241 SOC_SINGLE_TLV("MIXINL IN1LP Volume", WM8993_INPUT_MIXER5, 6, 7, 0, inmix_tlv),
242 SOC_SINGLE_TLV("MIXINL Direct Voice Volume", WM8993_INPUT_MIXER5, 0, 6, 0,
243 	       inmix_tlv),
244 
245 SOC_SINGLE_TLV("MIXINR IN2R Volume", WM8993_INPUT_MIXER4, 7, 1, 0,
246 	       inmix_sw_tlv),
247 SOC_SINGLE_TLV("MIXINR IN1R Volume", WM8993_INPUT_MIXER4, 4, 1, 0,
248 	       inmix_sw_tlv),
249 SOC_SINGLE_TLV("MIXINR Output Record Volume", WM8993_INPUT_MIXER4, 0, 7, 0,
250 	       inmix_tlv),
251 SOC_SINGLE_TLV("MIXINR IN1RP Volume", WM8993_INPUT_MIXER6, 6, 7, 0, inmix_tlv),
252 SOC_SINGLE_TLV("MIXINR Direct Voice Volume", WM8993_INPUT_MIXER6, 0, 6, 0,
253 	       inmix_tlv),
254 
255 SOC_SINGLE_TLV("Left Output Mixer IN2RN Volume", WM8993_OUTPUT_MIXER5, 6, 7, 1,
256 	       outmix_tlv),
257 SOC_SINGLE_TLV("Left Output Mixer IN2LN Volume", WM8993_OUTPUT_MIXER3, 6, 7, 1,
258 	       outmix_tlv),
259 SOC_SINGLE_TLV("Left Output Mixer IN2LP Volume", WM8993_OUTPUT_MIXER3, 9, 7, 1,
260 	       outmix_tlv),
261 SOC_SINGLE_TLV("Left Output Mixer IN1L Volume", WM8993_OUTPUT_MIXER3, 0, 7, 1,
262 	       outmix_tlv),
263 SOC_SINGLE_TLV("Left Output Mixer IN1R Volume", WM8993_OUTPUT_MIXER3, 3, 7, 1,
264 	       outmix_tlv),
265 SOC_SINGLE_TLV("Left Output Mixer Right Input Volume",
266 	       WM8993_OUTPUT_MIXER5, 3, 7, 1, outmix_tlv),
267 SOC_SINGLE_TLV("Left Output Mixer Left Input Volume",
268 	       WM8993_OUTPUT_MIXER5, 0, 7, 1, outmix_tlv),
269 SOC_SINGLE_TLV("Left Output Mixer DAC Volume", WM8993_OUTPUT_MIXER5, 9, 7, 1,
270 	       outmix_tlv),
271 
272 SOC_SINGLE_TLV("Right Output Mixer IN2LN Volume",
273 	       WM8993_OUTPUT_MIXER6, 6, 7, 1, outmix_tlv),
274 SOC_SINGLE_TLV("Right Output Mixer IN2RN Volume",
275 	       WM8993_OUTPUT_MIXER4, 6, 7, 1, outmix_tlv),
276 SOC_SINGLE_TLV("Right Output Mixer IN1L Volume",
277 	       WM8993_OUTPUT_MIXER4, 3, 7, 1, outmix_tlv),
278 SOC_SINGLE_TLV("Right Output Mixer IN1R Volume",
279 	       WM8993_OUTPUT_MIXER4, 0, 7, 1, outmix_tlv),
280 SOC_SINGLE_TLV("Right Output Mixer IN2RP Volume",
281 	       WM8993_OUTPUT_MIXER4, 9, 7, 1, outmix_tlv),
282 SOC_SINGLE_TLV("Right Output Mixer Left Input Volume",
283 	       WM8993_OUTPUT_MIXER6, 3, 7, 1, outmix_tlv),
284 SOC_SINGLE_TLV("Right Output Mixer Right Input Volume",
285 	       WM8993_OUTPUT_MIXER6, 6, 7, 1, outmix_tlv),
286 SOC_SINGLE_TLV("Right Output Mixer DAC Volume",
287 	       WM8993_OUTPUT_MIXER6, 9, 7, 1, outmix_tlv),
288 
289 SOC_DOUBLE_R_TLV("Output Volume", WM8993_LEFT_OPGA_VOLUME,
290 		 WM8993_RIGHT_OPGA_VOLUME, 0, 63, 0, outpga_tlv),
291 SOC_DOUBLE_R("Output Switch", WM8993_LEFT_OPGA_VOLUME,
292 	     WM8993_RIGHT_OPGA_VOLUME, 6, 1, 0),
293 SOC_DOUBLE_R("Output ZC Switch", WM8993_LEFT_OPGA_VOLUME,
294 	     WM8993_RIGHT_OPGA_VOLUME, 7, 1, 0),
295 
296 SOC_SINGLE("Earpiece Switch", WM8993_HPOUT2_VOLUME, 5, 1, 1),
297 SOC_SINGLE_TLV("Earpiece Volume", WM8993_HPOUT2_VOLUME, 4, 1, 1, earpiece_tlv),
298 
299 SOC_SINGLE_TLV("SPKL Input Volume", WM8993_SPKMIXL_ATTENUATION,
300 	       5, 1, 1, wm_hubs_spkmix_tlv),
301 SOC_SINGLE_TLV("SPKL IN1LP Volume", WM8993_SPKMIXL_ATTENUATION,
302 	       4, 1, 1, wm_hubs_spkmix_tlv),
303 SOC_SINGLE_TLV("SPKL Output Volume", WM8993_SPKMIXL_ATTENUATION,
304 	       3, 1, 1, wm_hubs_spkmix_tlv),
305 
306 SOC_SINGLE_TLV("SPKR Input Volume", WM8993_SPKMIXR_ATTENUATION,
307 	       5, 1, 1, wm_hubs_spkmix_tlv),
308 SOC_SINGLE_TLV("SPKR IN1RP Volume", WM8993_SPKMIXR_ATTENUATION,
309 	       4, 1, 1, wm_hubs_spkmix_tlv),
310 SOC_SINGLE_TLV("SPKR Output Volume", WM8993_SPKMIXR_ATTENUATION,
311 	       3, 1, 1, wm_hubs_spkmix_tlv),
312 
313 SOC_DOUBLE_R_TLV("Speaker Mixer Volume",
314 		 WM8993_SPKMIXL_ATTENUATION, WM8993_SPKMIXR_ATTENUATION,
315 		 0, 3, 1, spkmixout_tlv),
316 SOC_DOUBLE_R_TLV("Speaker Volume",
317 		 WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
318 		 0, 63, 0, outpga_tlv),
319 SOC_DOUBLE_R("Speaker Switch",
320 	     WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
321 	     6, 1, 0),
322 SOC_DOUBLE_R("Speaker ZC Switch",
323 	     WM8993_SPEAKER_VOLUME_LEFT, WM8993_SPEAKER_VOLUME_RIGHT,
324 	     7, 1, 0),
325 SOC_DOUBLE_TLV("Speaker Boost Volume", WM8993_SPKOUT_BOOST, 3, 0, 7, 0,
326 	       spkboost_tlv),
327 SOC_ENUM("Speaker Reference", speaker_ref),
328 SOC_ENUM("Speaker Mode", speaker_mode),
329 
330 {
331 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Headphone Volume",
332 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |
333 		 SNDRV_CTL_ELEM_ACCESS_READWRITE,
334 	.tlv.p = outpga_tlv,
335 	.info = snd_soc_info_volsw_2r,
336 	.get = snd_soc_get_volsw_2r, .put = wm8993_put_dc_servo,
337 	.private_value = (unsigned long)&(struct soc_mixer_control) {
338 		.reg = WM8993_LEFT_OUTPUT_VOLUME,
339 		.rreg = WM8993_RIGHT_OUTPUT_VOLUME,
340 		.shift = 0, .max = 63
341 	},
342 },
343 SOC_DOUBLE_R("Headphone Switch", WM8993_LEFT_OUTPUT_VOLUME,
344 	     WM8993_RIGHT_OUTPUT_VOLUME, 6, 1, 0),
345 SOC_DOUBLE_R("Headphone ZC Switch", WM8993_LEFT_OUTPUT_VOLUME,
346 	     WM8993_RIGHT_OUTPUT_VOLUME, 7, 1, 0),
347 
348 SOC_SINGLE("LINEOUT1N Switch", WM8993_LINE_OUTPUTS_VOLUME, 6, 1, 1),
349 SOC_SINGLE("LINEOUT1P Switch", WM8993_LINE_OUTPUTS_VOLUME, 5, 1, 1),
350 SOC_SINGLE_TLV("LINEOUT1 Volume", WM8993_LINE_OUTPUTS_VOLUME, 4, 1, 1,
351 	       line_tlv),
352 
353 SOC_SINGLE("LINEOUT2N Switch", WM8993_LINE_OUTPUTS_VOLUME, 2, 1, 1),
354 SOC_SINGLE("LINEOUT2P Switch", WM8993_LINE_OUTPUTS_VOLUME, 1, 1, 1),
355 SOC_SINGLE_TLV("LINEOUT2 Volume", WM8993_LINE_OUTPUTS_VOLUME, 0, 1, 1,
356 	       line_tlv),
357 };
358 
359 static int hp_supply_event(struct snd_soc_dapm_widget *w,
360 			   struct snd_kcontrol *kcontrol, int event)
361 {
362 	struct snd_soc_codec *codec = w->codec;
363 	struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
364 
365 	switch (event) {
366 	case SND_SOC_DAPM_PRE_PMU:
367 		switch (hubs->hp_startup_mode) {
368 		case 0:
369 			break;
370 		case 1:
371 			/* Enable the headphone amp */
372 			snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
373 					    WM8993_HPOUT1L_ENA |
374 					    WM8993_HPOUT1R_ENA,
375 					    WM8993_HPOUT1L_ENA |
376 					    WM8993_HPOUT1R_ENA);
377 
378 			/* Enable the second stage */
379 			snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
380 					    WM8993_HPOUT1L_DLY |
381 					    WM8993_HPOUT1R_DLY,
382 					    WM8993_HPOUT1L_DLY |
383 					    WM8993_HPOUT1R_DLY);
384 			break;
385 		default:
386 			dev_err(codec->dev, "Unknown HP startup mode %d\n",
387 				hubs->hp_startup_mode);
388 			break;
389 		}
390 
391 	case SND_SOC_DAPM_PRE_PMD:
392 		snd_soc_update_bits(codec, WM8993_CHARGE_PUMP_1,
393 				    WM8993_CP_ENA, 0);
394 		break;
395 	}
396 
397 	return 0;
398 }
399 
400 static int hp_event(struct snd_soc_dapm_widget *w,
401 		    struct snd_kcontrol *kcontrol, int event)
402 {
403 	struct snd_soc_codec *codec = w->codec;
404 	unsigned int reg = snd_soc_read(codec, WM8993_ANALOGUE_HP_0);
405 
406 	switch (event) {
407 	case SND_SOC_DAPM_POST_PMU:
408 		snd_soc_update_bits(codec, WM8993_CHARGE_PUMP_1,
409 				    WM8993_CP_ENA, WM8993_CP_ENA);
410 
411 		msleep(5);
412 
413 		snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
414 				    WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA,
415 				    WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA);
416 
417 		reg |= WM8993_HPOUT1L_DLY | WM8993_HPOUT1R_DLY;
418 		snd_soc_write(codec, WM8993_ANALOGUE_HP_0, reg);
419 
420 		/* Smallest supported update interval */
421 		snd_soc_update_bits(codec, WM8993_DC_SERVO_1,
422 				    WM8993_DCS_TIMER_PERIOD_01_MASK, 1);
423 
424 		calibrate_dc_servo(codec);
425 
426 		reg |= WM8993_HPOUT1R_OUTP | WM8993_HPOUT1R_RMV_SHORT |
427 			WM8993_HPOUT1L_OUTP | WM8993_HPOUT1L_RMV_SHORT;
428 		snd_soc_write(codec, WM8993_ANALOGUE_HP_0, reg);
429 		break;
430 
431 	case SND_SOC_DAPM_PRE_PMD:
432 		snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
433 				    WM8993_HPOUT1L_OUTP |
434 				    WM8993_HPOUT1R_OUTP |
435 				    WM8993_HPOUT1L_RMV_SHORT |
436 				    WM8993_HPOUT1R_RMV_SHORT, 0);
437 
438 		snd_soc_update_bits(codec, WM8993_ANALOGUE_HP_0,
439 				    WM8993_HPOUT1L_DLY |
440 				    WM8993_HPOUT1R_DLY, 0);
441 
442 		snd_soc_write(codec, WM8993_DC_SERVO_0, 0);
443 
444 		snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_1,
445 				    WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA,
446 				    0);
447 		break;
448 	}
449 
450 	return 0;
451 }
452 
453 static int earpiece_event(struct snd_soc_dapm_widget *w,
454 			  struct snd_kcontrol *control, int event)
455 {
456 	struct snd_soc_codec *codec = w->codec;
457 	u16 reg = snd_soc_read(codec, WM8993_ANTIPOP1) & ~WM8993_HPOUT2_IN_ENA;
458 
459 	switch (event) {
460 	case SND_SOC_DAPM_PRE_PMU:
461 		reg |= WM8993_HPOUT2_IN_ENA;
462 		snd_soc_write(codec, WM8993_ANTIPOP1, reg);
463 		udelay(50);
464 		break;
465 
466 	case SND_SOC_DAPM_POST_PMD:
467 		snd_soc_write(codec, WM8993_ANTIPOP1, reg);
468 		break;
469 
470 	default:
471 		BUG();
472 		break;
473 	}
474 
475 	return 0;
476 }
477 
478 static const struct snd_kcontrol_new in1l_pga[] = {
479 SOC_DAPM_SINGLE("IN1LP Switch", WM8993_INPUT_MIXER2, 5, 1, 0),
480 SOC_DAPM_SINGLE("IN1LN Switch", WM8993_INPUT_MIXER2, 4, 1, 0),
481 };
482 
483 static const struct snd_kcontrol_new in1r_pga[] = {
484 SOC_DAPM_SINGLE("IN1RP Switch", WM8993_INPUT_MIXER2, 1, 1, 0),
485 SOC_DAPM_SINGLE("IN1RN Switch", WM8993_INPUT_MIXER2, 0, 1, 0),
486 };
487 
488 static const struct snd_kcontrol_new in2l_pga[] = {
489 SOC_DAPM_SINGLE("IN2LP Switch", WM8993_INPUT_MIXER2, 7, 1, 0),
490 SOC_DAPM_SINGLE("IN2LN Switch", WM8993_INPUT_MIXER2, 6, 1, 0),
491 };
492 
493 static const struct snd_kcontrol_new in2r_pga[] = {
494 SOC_DAPM_SINGLE("IN2RP Switch", WM8993_INPUT_MIXER2, 3, 1, 0),
495 SOC_DAPM_SINGLE("IN2RN Switch", WM8993_INPUT_MIXER2, 2, 1, 0),
496 };
497 
498 static const struct snd_kcontrol_new mixinl[] = {
499 SOC_DAPM_SINGLE("IN2L Switch", WM8993_INPUT_MIXER3, 8, 1, 0),
500 SOC_DAPM_SINGLE("IN1L Switch", WM8993_INPUT_MIXER3, 5, 1, 0),
501 };
502 
503 static const struct snd_kcontrol_new mixinr[] = {
504 SOC_DAPM_SINGLE("IN2R Switch", WM8993_INPUT_MIXER4, 8, 1, 0),
505 SOC_DAPM_SINGLE("IN1R Switch", WM8993_INPUT_MIXER4, 5, 1, 0),
506 };
507 
508 static const struct snd_kcontrol_new left_output_mixer[] = {
509 SOC_DAPM_SINGLE("Right Input Switch", WM8993_OUTPUT_MIXER1, 7, 1, 0),
510 SOC_DAPM_SINGLE("Left Input Switch", WM8993_OUTPUT_MIXER1, 6, 1, 0),
511 SOC_DAPM_SINGLE("IN2RN Switch", WM8993_OUTPUT_MIXER1, 5, 1, 0),
512 SOC_DAPM_SINGLE("IN2LN Switch", WM8993_OUTPUT_MIXER1, 4, 1, 0),
513 SOC_DAPM_SINGLE("IN2LP Switch", WM8993_OUTPUT_MIXER1, 1, 1, 0),
514 SOC_DAPM_SINGLE("IN1R Switch", WM8993_OUTPUT_MIXER1, 3, 1, 0),
515 SOC_DAPM_SINGLE("IN1L Switch", WM8993_OUTPUT_MIXER1, 2, 1, 0),
516 SOC_DAPM_SINGLE("DAC Switch", WM8993_OUTPUT_MIXER1, 0, 1, 0),
517 };
518 
519 static const struct snd_kcontrol_new right_output_mixer[] = {
520 SOC_DAPM_SINGLE("Left Input Switch", WM8993_OUTPUT_MIXER2, 7, 1, 0),
521 SOC_DAPM_SINGLE("Right Input Switch", WM8993_OUTPUT_MIXER2, 6, 1, 0),
522 SOC_DAPM_SINGLE("IN2LN Switch", WM8993_OUTPUT_MIXER2, 5, 1, 0),
523 SOC_DAPM_SINGLE("IN2RN Switch", WM8993_OUTPUT_MIXER2, 4, 1, 0),
524 SOC_DAPM_SINGLE("IN1L Switch", WM8993_OUTPUT_MIXER2, 3, 1, 0),
525 SOC_DAPM_SINGLE("IN1R Switch", WM8993_OUTPUT_MIXER2, 2, 1, 0),
526 SOC_DAPM_SINGLE("IN2RP Switch", WM8993_OUTPUT_MIXER2, 1, 1, 0),
527 SOC_DAPM_SINGLE("DAC Switch", WM8993_OUTPUT_MIXER2, 0, 1, 0),
528 };
529 
530 static const struct snd_kcontrol_new earpiece_mixer[] = {
531 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_HPOUT2_MIXER, 5, 1, 0),
532 SOC_DAPM_SINGLE("Left Output Switch", WM8993_HPOUT2_MIXER, 4, 1, 0),
533 SOC_DAPM_SINGLE("Right Output Switch", WM8993_HPOUT2_MIXER, 3, 1, 0),
534 };
535 
536 static const struct snd_kcontrol_new left_speaker_boost[] = {
537 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_SPKOUT_MIXERS, 5, 1, 0),
538 SOC_DAPM_SINGLE("SPKL Switch", WM8993_SPKOUT_MIXERS, 4, 1, 0),
539 SOC_DAPM_SINGLE("SPKR Switch", WM8993_SPKOUT_MIXERS, 3, 1, 0),
540 };
541 
542 static const struct snd_kcontrol_new right_speaker_boost[] = {
543 SOC_DAPM_SINGLE("Direct Voice Switch", WM8993_SPKOUT_MIXERS, 2, 1, 0),
544 SOC_DAPM_SINGLE("SPKL Switch", WM8993_SPKOUT_MIXERS, 1, 1, 0),
545 SOC_DAPM_SINGLE("SPKR Switch", WM8993_SPKOUT_MIXERS, 0, 1, 0),
546 };
547 
548 static const struct snd_kcontrol_new line1_mix[] = {
549 SOC_DAPM_SINGLE("IN1R Switch", WM8993_LINE_MIXER1, 2, 1, 0),
550 SOC_DAPM_SINGLE("IN1L Switch", WM8993_LINE_MIXER1, 1, 1, 0),
551 SOC_DAPM_SINGLE("Output Switch", WM8993_LINE_MIXER1, 0, 1, 0),
552 };
553 
554 static const struct snd_kcontrol_new line1n_mix[] = {
555 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER1, 6, 1, 0),
556 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER1, 5, 1, 0),
557 };
558 
559 static const struct snd_kcontrol_new line1p_mix[] = {
560 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER1, 0, 1, 0),
561 };
562 
563 static const struct snd_kcontrol_new line2_mix[] = {
564 SOC_DAPM_SINGLE("IN2R Switch", WM8993_LINE_MIXER2, 2, 1, 0),
565 SOC_DAPM_SINGLE("IN2L Switch", WM8993_LINE_MIXER2, 1, 1, 0),
566 SOC_DAPM_SINGLE("Output Switch", WM8993_LINE_MIXER2, 0, 1, 0),
567 };
568 
569 static const struct snd_kcontrol_new line2n_mix[] = {
570 SOC_DAPM_SINGLE("Left Output Switch", WM8993_LINE_MIXER2, 6, 1, 0),
571 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER2, 5, 1, 0),
572 };
573 
574 static const struct snd_kcontrol_new line2p_mix[] = {
575 SOC_DAPM_SINGLE("Right Output Switch", WM8993_LINE_MIXER2, 0, 1, 0),
576 };
577 
578 static const struct snd_soc_dapm_widget analogue_dapm_widgets[] = {
579 SND_SOC_DAPM_INPUT("IN1LN"),
580 SND_SOC_DAPM_INPUT("IN1LP"),
581 SND_SOC_DAPM_INPUT("IN2LN"),
582 SND_SOC_DAPM_INPUT("IN2LP:VXRN"),
583 SND_SOC_DAPM_INPUT("IN1RN"),
584 SND_SOC_DAPM_INPUT("IN1RP"),
585 SND_SOC_DAPM_INPUT("IN2RN"),
586 SND_SOC_DAPM_INPUT("IN2RP:VXRP"),
587 
588 SND_SOC_DAPM_MICBIAS("MICBIAS2", WM8993_POWER_MANAGEMENT_1, 5, 0),
589 SND_SOC_DAPM_MICBIAS("MICBIAS1", WM8993_POWER_MANAGEMENT_1, 4, 0),
590 
591 SND_SOC_DAPM_MIXER("IN1L PGA", WM8993_POWER_MANAGEMENT_2, 6, 0,
592 		   in1l_pga, ARRAY_SIZE(in1l_pga)),
593 SND_SOC_DAPM_MIXER("IN1R PGA", WM8993_POWER_MANAGEMENT_2, 4, 0,
594 		   in1r_pga, ARRAY_SIZE(in1r_pga)),
595 
596 SND_SOC_DAPM_MIXER("IN2L PGA", WM8993_POWER_MANAGEMENT_2, 7, 0,
597 		   in2l_pga, ARRAY_SIZE(in2l_pga)),
598 SND_SOC_DAPM_MIXER("IN2R PGA", WM8993_POWER_MANAGEMENT_2, 5, 0,
599 		   in2r_pga, ARRAY_SIZE(in2r_pga)),
600 
601 /* Dummy widgets to represent differential paths */
602 SND_SOC_DAPM_PGA("Direct Voice", SND_SOC_NOPM, 0, 0, NULL, 0),
603 
604 SND_SOC_DAPM_MIXER("MIXINL", WM8993_POWER_MANAGEMENT_2, 9, 0,
605 		   mixinl, ARRAY_SIZE(mixinl)),
606 SND_SOC_DAPM_MIXER("MIXINR", WM8993_POWER_MANAGEMENT_2, 8, 0,
607 		   mixinr, ARRAY_SIZE(mixinr)),
608 
609 SND_SOC_DAPM_MIXER("Left Output Mixer", WM8993_POWER_MANAGEMENT_3, 5, 0,
610 		   left_output_mixer, ARRAY_SIZE(left_output_mixer)),
611 SND_SOC_DAPM_MIXER("Right Output Mixer", WM8993_POWER_MANAGEMENT_3, 4, 0,
612 		   right_output_mixer, ARRAY_SIZE(right_output_mixer)),
613 
614 SND_SOC_DAPM_PGA("Left Output PGA", WM8993_POWER_MANAGEMENT_3, 7, 0, NULL, 0),
615 SND_SOC_DAPM_PGA("Right Output PGA", WM8993_POWER_MANAGEMENT_3, 6, 0, NULL, 0),
616 
617 SND_SOC_DAPM_SUPPLY("Headphone Supply", SND_SOC_NOPM, 0, 0, hp_supply_event,
618 		    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
619 SND_SOC_DAPM_PGA_E("Headphone PGA", SND_SOC_NOPM, 0, 0,
620 		   NULL, 0,
621 		   hp_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
622 
623 SND_SOC_DAPM_MIXER("Earpiece Mixer", SND_SOC_NOPM, 0, 0,
624 		   earpiece_mixer, ARRAY_SIZE(earpiece_mixer)),
625 SND_SOC_DAPM_PGA_E("Earpiece Driver", WM8993_POWER_MANAGEMENT_1, 11, 0,
626 		   NULL, 0, earpiece_event,
627 		   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
628 
629 SND_SOC_DAPM_MIXER("SPKL Boost", SND_SOC_NOPM, 0, 0,
630 		   left_speaker_boost, ARRAY_SIZE(left_speaker_boost)),
631 SND_SOC_DAPM_MIXER("SPKR Boost", SND_SOC_NOPM, 0, 0,
632 		   right_speaker_boost, ARRAY_SIZE(right_speaker_boost)),
633 
634 SND_SOC_DAPM_PGA("SPKL Driver", WM8993_POWER_MANAGEMENT_1, 12, 0,
635 		 NULL, 0),
636 SND_SOC_DAPM_PGA("SPKR Driver", WM8993_POWER_MANAGEMENT_1, 13, 0,
637 		 NULL, 0),
638 
639 SND_SOC_DAPM_MIXER("LINEOUT1 Mixer", SND_SOC_NOPM, 0, 0,
640 		   line1_mix, ARRAY_SIZE(line1_mix)),
641 SND_SOC_DAPM_MIXER("LINEOUT2 Mixer", SND_SOC_NOPM, 0, 0,
642 		   line2_mix, ARRAY_SIZE(line2_mix)),
643 
644 SND_SOC_DAPM_MIXER("LINEOUT1N Mixer", SND_SOC_NOPM, 0, 0,
645 		   line1n_mix, ARRAY_SIZE(line1n_mix)),
646 SND_SOC_DAPM_MIXER("LINEOUT1P Mixer", SND_SOC_NOPM, 0, 0,
647 		   line1p_mix, ARRAY_SIZE(line1p_mix)),
648 SND_SOC_DAPM_MIXER("LINEOUT2N Mixer", SND_SOC_NOPM, 0, 0,
649 		   line2n_mix, ARRAY_SIZE(line2n_mix)),
650 SND_SOC_DAPM_MIXER("LINEOUT2P Mixer", SND_SOC_NOPM, 0, 0,
651 		   line2p_mix, ARRAY_SIZE(line2p_mix)),
652 
653 SND_SOC_DAPM_PGA("LINEOUT1N Driver", WM8993_POWER_MANAGEMENT_3, 13, 0,
654 		 NULL, 0),
655 SND_SOC_DAPM_PGA("LINEOUT1P Driver", WM8993_POWER_MANAGEMENT_3, 12, 0,
656 		 NULL, 0),
657 SND_SOC_DAPM_PGA("LINEOUT2N Driver", WM8993_POWER_MANAGEMENT_3, 11, 0,
658 		 NULL, 0),
659 SND_SOC_DAPM_PGA("LINEOUT2P Driver", WM8993_POWER_MANAGEMENT_3, 10, 0,
660 		 NULL, 0),
661 
662 SND_SOC_DAPM_OUTPUT("SPKOUTLP"),
663 SND_SOC_DAPM_OUTPUT("SPKOUTLN"),
664 SND_SOC_DAPM_OUTPUT("SPKOUTRP"),
665 SND_SOC_DAPM_OUTPUT("SPKOUTRN"),
666 SND_SOC_DAPM_OUTPUT("HPOUT1L"),
667 SND_SOC_DAPM_OUTPUT("HPOUT1R"),
668 SND_SOC_DAPM_OUTPUT("HPOUT2P"),
669 SND_SOC_DAPM_OUTPUT("HPOUT2N"),
670 SND_SOC_DAPM_OUTPUT("LINEOUT1P"),
671 SND_SOC_DAPM_OUTPUT("LINEOUT1N"),
672 SND_SOC_DAPM_OUTPUT("LINEOUT2P"),
673 SND_SOC_DAPM_OUTPUT("LINEOUT2N"),
674 };
675 
676 static const struct snd_soc_dapm_route analogue_routes[] = {
677 	{ "MICBIAS1", NULL, "CLK_SYS" },
678 	{ "MICBIAS2", NULL, "CLK_SYS" },
679 
680 	{ "IN1L PGA", "IN1LP Switch", "IN1LP" },
681 	{ "IN1L PGA", "IN1LN Switch", "IN1LN" },
682 
683 	{ "IN1R PGA", "IN1RP Switch", "IN1RP" },
684 	{ "IN1R PGA", "IN1RN Switch", "IN1RN" },
685 
686 	{ "IN2L PGA", "IN2LP Switch", "IN2LP:VXRN" },
687 	{ "IN2L PGA", "IN2LN Switch", "IN2LN" },
688 
689 	{ "IN2R PGA", "IN2RP Switch", "IN2RP:VXRP" },
690 	{ "IN2R PGA", "IN2RN Switch", "IN2RN" },
691 
692 	{ "Direct Voice", NULL, "IN2LP:VXRN" },
693 	{ "Direct Voice", NULL, "IN2RP:VXRP" },
694 
695 	{ "MIXINL", "IN1L Switch", "IN1L PGA" },
696 	{ "MIXINL", "IN2L Switch", "IN2L PGA" },
697 	{ "MIXINL", NULL, "Direct Voice" },
698 	{ "MIXINL", NULL, "IN1LP" },
699 	{ "MIXINL", NULL, "Left Output Mixer" },
700 
701 	{ "MIXINR", "IN1R Switch", "IN1R PGA" },
702 	{ "MIXINR", "IN2R Switch", "IN2R PGA" },
703 	{ "MIXINR", NULL, "Direct Voice" },
704 	{ "MIXINR", NULL, "IN1RP" },
705 	{ "MIXINR", NULL, "Right Output Mixer" },
706 
707 	{ "ADCL", NULL, "MIXINL" },
708 	{ "ADCR", NULL, "MIXINR" },
709 
710 	{ "Left Output Mixer", "Left Input Switch", "MIXINL" },
711 	{ "Left Output Mixer", "Right Input Switch", "MIXINR" },
712 	{ "Left Output Mixer", "IN2RN Switch", "IN2RN" },
713 	{ "Left Output Mixer", "IN2LN Switch", "IN2LN" },
714 	{ "Left Output Mixer", "IN2LP Switch", "IN2LP:VXRN" },
715 	{ "Left Output Mixer", "IN1L Switch", "IN1L PGA" },
716 	{ "Left Output Mixer", "IN1R Switch", "IN1R PGA" },
717 
718 	{ "Right Output Mixer", "Left Input Switch", "MIXINL" },
719 	{ "Right Output Mixer", "Right Input Switch", "MIXINR" },
720 	{ "Right Output Mixer", "IN2LN Switch", "IN2LN" },
721 	{ "Right Output Mixer", "IN2RN Switch", "IN2RN" },
722 	{ "Right Output Mixer", "IN2RP Switch", "IN2RP:VXRP" },
723 	{ "Right Output Mixer", "IN1L Switch", "IN1L PGA" },
724 	{ "Right Output Mixer", "IN1R Switch", "IN1R PGA" },
725 
726 	{ "Left Output PGA", NULL, "Left Output Mixer" },
727 	{ "Left Output PGA", NULL, "TOCLK" },
728 
729 	{ "Right Output PGA", NULL, "Right Output Mixer" },
730 	{ "Right Output PGA", NULL, "TOCLK" },
731 
732 	{ "Earpiece Mixer", "Direct Voice Switch", "Direct Voice" },
733 	{ "Earpiece Mixer", "Left Output Switch", "Left Output PGA" },
734 	{ "Earpiece Mixer", "Right Output Switch", "Right Output PGA" },
735 
736 	{ "Earpiece Driver", NULL, "Earpiece Mixer" },
737 	{ "HPOUT2N", NULL, "Earpiece Driver" },
738 	{ "HPOUT2P", NULL, "Earpiece Driver" },
739 
740 	{ "SPKL", "Input Switch", "MIXINL" },
741 	{ "SPKL", "IN1LP Switch", "IN1LP" },
742 	{ "SPKL", "Output Switch", "Left Output Mixer" },
743 	{ "SPKL", NULL, "TOCLK" },
744 
745 	{ "SPKR", "Input Switch", "MIXINR" },
746 	{ "SPKR", "IN1RP Switch", "IN1RP" },
747 	{ "SPKR", "Output Switch", "Right Output Mixer" },
748 	{ "SPKR", NULL, "TOCLK" },
749 
750 	{ "SPKL Boost", "Direct Voice Switch", "Direct Voice" },
751 	{ "SPKL Boost", "SPKL Switch", "SPKL" },
752 	{ "SPKL Boost", "SPKR Switch", "SPKR" },
753 
754 	{ "SPKR Boost", "Direct Voice Switch", "Direct Voice" },
755 	{ "SPKR Boost", "SPKR Switch", "SPKR" },
756 	{ "SPKR Boost", "SPKL Switch", "SPKL" },
757 
758 	{ "SPKL Driver", NULL, "SPKL Boost" },
759 	{ "SPKL Driver", NULL, "CLK_SYS" },
760 
761 	{ "SPKR Driver", NULL, "SPKR Boost" },
762 	{ "SPKR Driver", NULL, "CLK_SYS" },
763 
764 	{ "SPKOUTLP", NULL, "SPKL Driver" },
765 	{ "SPKOUTLN", NULL, "SPKL Driver" },
766 	{ "SPKOUTRP", NULL, "SPKR Driver" },
767 	{ "SPKOUTRN", NULL, "SPKR Driver" },
768 
769 	{ "Left Headphone Mux", "Mixer", "Left Output Mixer" },
770 	{ "Right Headphone Mux", "Mixer", "Right Output Mixer" },
771 
772 	{ "Headphone PGA", NULL, "Left Headphone Mux" },
773 	{ "Headphone PGA", NULL, "Right Headphone Mux" },
774 	{ "Headphone PGA", NULL, "CLK_SYS" },
775 	{ "Headphone PGA", NULL, "Headphone Supply" },
776 
777 	{ "HPOUT1L", NULL, "Headphone PGA" },
778 	{ "HPOUT1R", NULL, "Headphone PGA" },
779 
780 	{ "LINEOUT1N", NULL, "LINEOUT1N Driver" },
781 	{ "LINEOUT1P", NULL, "LINEOUT1P Driver" },
782 	{ "LINEOUT2N", NULL, "LINEOUT2N Driver" },
783 	{ "LINEOUT2P", NULL, "LINEOUT2P Driver" },
784 };
785 
786 static const struct snd_soc_dapm_route lineout1_diff_routes[] = {
787 	{ "LINEOUT1 Mixer", "IN1L Switch", "IN1L PGA" },
788 	{ "LINEOUT1 Mixer", "IN1R Switch", "IN1R PGA" },
789 	{ "LINEOUT1 Mixer", "Output Switch", "Left Output Mixer" },
790 
791 	{ "LINEOUT1N Driver", NULL, "LINEOUT1 Mixer" },
792 	{ "LINEOUT1P Driver", NULL, "LINEOUT1 Mixer" },
793 };
794 
795 static const struct snd_soc_dapm_route lineout1_se_routes[] = {
796 	{ "LINEOUT1N Mixer", "Left Output Switch", "Left Output Mixer" },
797 	{ "LINEOUT1N Mixer", "Right Output Switch", "Left Output Mixer" },
798 
799 	{ "LINEOUT1P Mixer", "Left Output Switch", "Left Output Mixer" },
800 
801 	{ "LINEOUT1N Driver", NULL, "LINEOUT1N Mixer" },
802 	{ "LINEOUT1P Driver", NULL, "LINEOUT1P Mixer" },
803 };
804 
805 static const struct snd_soc_dapm_route lineout2_diff_routes[] = {
806 	{ "LINEOUT2 Mixer", "IN2L Switch", "IN2L PGA" },
807 	{ "LINEOUT2 Mixer", "IN2R Switch", "IN2R PGA" },
808 	{ "LINEOUT2 Mixer", "Output Switch", "Right Output Mixer" },
809 
810 	{ "LINEOUT2N Driver", NULL, "LINEOUT2 Mixer" },
811 	{ "LINEOUT2P Driver", NULL, "LINEOUT2 Mixer" },
812 };
813 
814 static const struct snd_soc_dapm_route lineout2_se_routes[] = {
815 	{ "LINEOUT2N Mixer", "Left Output Switch", "Left Output Mixer" },
816 	{ "LINEOUT2N Mixer", "Right Output Switch", "Left Output Mixer" },
817 
818 	{ "LINEOUT2P Mixer", "Right Output Switch", "Right Output Mixer" },
819 
820 	{ "LINEOUT2N Driver", NULL, "LINEOUT2N Mixer" },
821 	{ "LINEOUT2P Driver", NULL, "LINEOUT2P Mixer" },
822 };
823 
824 int wm_hubs_add_analogue_controls(struct snd_soc_codec *codec)
825 {
826 	struct snd_soc_dapm_context *dapm = &codec->dapm;
827 
828 	/* Latch volume update bits & default ZC on */
829 	snd_soc_update_bits(codec, WM8993_LEFT_LINE_INPUT_1_2_VOLUME,
830 			    WM8993_IN1_VU, WM8993_IN1_VU);
831 	snd_soc_update_bits(codec, WM8993_RIGHT_LINE_INPUT_1_2_VOLUME,
832 			    WM8993_IN1_VU, WM8993_IN1_VU);
833 	snd_soc_update_bits(codec, WM8993_LEFT_LINE_INPUT_3_4_VOLUME,
834 			    WM8993_IN2_VU, WM8993_IN2_VU);
835 	snd_soc_update_bits(codec, WM8993_RIGHT_LINE_INPUT_3_4_VOLUME,
836 			    WM8993_IN2_VU, WM8993_IN2_VU);
837 
838 	snd_soc_update_bits(codec, WM8993_SPEAKER_VOLUME_RIGHT,
839 			    WM8993_SPKOUT_VU, WM8993_SPKOUT_VU);
840 
841 	snd_soc_update_bits(codec, WM8993_LEFT_OUTPUT_VOLUME,
842 			    WM8993_HPOUT1L_ZC, WM8993_HPOUT1L_ZC);
843 	snd_soc_update_bits(codec, WM8993_RIGHT_OUTPUT_VOLUME,
844 			    WM8993_HPOUT1_VU | WM8993_HPOUT1R_ZC,
845 			    WM8993_HPOUT1_VU | WM8993_HPOUT1R_ZC);
846 
847 	snd_soc_update_bits(codec, WM8993_LEFT_OPGA_VOLUME,
848 			    WM8993_MIXOUTL_ZC, WM8993_MIXOUTL_ZC);
849 	snd_soc_update_bits(codec, WM8993_RIGHT_OPGA_VOLUME,
850 			    WM8993_MIXOUTR_ZC | WM8993_MIXOUT_VU,
851 			    WM8993_MIXOUTR_ZC | WM8993_MIXOUT_VU);
852 
853 	snd_soc_add_controls(codec, analogue_snd_controls,
854 			     ARRAY_SIZE(analogue_snd_controls));
855 
856 	snd_soc_dapm_new_controls(dapm, analogue_dapm_widgets,
857 				  ARRAY_SIZE(analogue_dapm_widgets));
858 	return 0;
859 }
860 EXPORT_SYMBOL_GPL(wm_hubs_add_analogue_controls);
861 
862 int wm_hubs_add_analogue_routes(struct snd_soc_codec *codec,
863 				int lineout1_diff, int lineout2_diff)
864 {
865 	struct snd_soc_dapm_context *dapm = &codec->dapm;
866 
867 	snd_soc_dapm_add_routes(dapm, analogue_routes,
868 				ARRAY_SIZE(analogue_routes));
869 
870 	if (lineout1_diff)
871 		snd_soc_dapm_add_routes(dapm,
872 					lineout1_diff_routes,
873 					ARRAY_SIZE(lineout1_diff_routes));
874 	else
875 		snd_soc_dapm_add_routes(dapm,
876 					lineout1_se_routes,
877 					ARRAY_SIZE(lineout1_se_routes));
878 
879 	if (lineout2_diff)
880 		snd_soc_dapm_add_routes(dapm,
881 					lineout2_diff_routes,
882 					ARRAY_SIZE(lineout2_diff_routes));
883 	else
884 		snd_soc_dapm_add_routes(dapm,
885 					lineout2_se_routes,
886 					ARRAY_SIZE(lineout2_se_routes));
887 
888 	return 0;
889 }
890 EXPORT_SYMBOL_GPL(wm_hubs_add_analogue_routes);
891 
892 int wm_hubs_handle_analogue_pdata(struct snd_soc_codec *codec,
893 				  int lineout1_diff, int lineout2_diff,
894 				  int lineout1fb, int lineout2fb,
895 				  int jd_scthr, int jd_thr, int micbias1_lvl,
896 				  int micbias2_lvl)
897 {
898 	if (!lineout1_diff)
899 		snd_soc_update_bits(codec, WM8993_LINE_MIXER1,
900 				    WM8993_LINEOUT1_MODE,
901 				    WM8993_LINEOUT1_MODE);
902 	if (!lineout2_diff)
903 		snd_soc_update_bits(codec, WM8993_LINE_MIXER2,
904 				    WM8993_LINEOUT2_MODE,
905 				    WM8993_LINEOUT2_MODE);
906 
907 	/* If the line outputs are differential then we aren't presenting
908 	 * VMID as an output and can disable it.
909 	 */
910 	if (lineout1_diff && lineout2_diff)
911 		codec->dapm.idle_bias_off = 1;
912 
913 	if (lineout1fb)
914 		snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL,
915 				    WM8993_LINEOUT1_FB, WM8993_LINEOUT1_FB);
916 
917 	if (lineout2fb)
918 		snd_soc_update_bits(codec, WM8993_ADDITIONAL_CONTROL,
919 				    WM8993_LINEOUT2_FB, WM8993_LINEOUT2_FB);
920 
921 	snd_soc_update_bits(codec, WM8993_MICBIAS,
922 			    WM8993_JD_SCTHR_MASK | WM8993_JD_THR_MASK |
923 			    WM8993_MICB1_LVL | WM8993_MICB2_LVL,
924 			    jd_scthr << WM8993_JD_SCTHR_SHIFT |
925 			    jd_thr << WM8993_JD_THR_SHIFT |
926 			    micbias1_lvl |
927 			    micbias2_lvl << WM8993_MICB2_LVL_SHIFT);
928 
929 	return 0;
930 }
931 EXPORT_SYMBOL_GPL(wm_hubs_handle_analogue_pdata);
932 
933 MODULE_DESCRIPTION("Shared support for Wolfson hubs products");
934 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
935 MODULE_LICENSE("GPL");
936