xref: /openbmc/linux/sound/soc/codecs/wm8990.c (revision 3dc4b6fb)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * wm8990.c  --  WM8990 ALSA Soc Audio driver
4  *
5  * Copyright 2008 Wolfson Microelectronics PLC.
6  * Author: Liam Girdwood <lrg@slimlogic.co.uk>
7  */
8 
9 #include <linux/module.h>
10 #include <linux/moduleparam.h>
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/delay.h>
14 #include <linux/pm.h>
15 #include <linux/i2c.h>
16 #include <linux/regmap.h>
17 #include <linux/slab.h>
18 #include <sound/core.h>
19 #include <sound/pcm.h>
20 #include <sound/pcm_params.h>
21 #include <sound/soc.h>
22 #include <sound/initval.h>
23 #include <sound/tlv.h>
24 #include <asm/div64.h>
25 
26 #include "wm8990.h"
27 
28 /* codec private data */
29 struct wm8990_priv {
30 	struct regmap *regmap;
31 	unsigned int sysclk;
32 	unsigned int pcmclk;
33 };
34 
35 static bool wm8990_volatile_register(struct device *dev, unsigned int reg)
36 {
37 	switch (reg) {
38 	case WM8990_RESET:
39 		return true;
40 	default:
41 		return false;
42 	}
43 }
44 
45 static const struct reg_default wm8990_reg_defaults[] = {
46 	{  1, 0x0000 },     /* R1  - Power Management (1) */
47 	{  2, 0x6000 },     /* R2  - Power Management (2) */
48 	{  3, 0x0000 },     /* R3  - Power Management (3) */
49 	{  4, 0x4050 },     /* R4  - Audio Interface (1) */
50 	{  5, 0x4000 },     /* R5  - Audio Interface (2) */
51 	{  6, 0x01C8 },     /* R6  - Clocking (1) */
52 	{  7, 0x0000 },     /* R7  - Clocking (2) */
53 	{  8, 0x0040 },     /* R8  - Audio Interface (3) */
54 	{  9, 0x0040 },     /* R9  - Audio Interface (4) */
55 	{ 10, 0x0004 },     /* R10 - DAC CTRL */
56 	{ 11, 0x00C0 },     /* R11 - Left DAC Digital Volume */
57 	{ 12, 0x00C0 },     /* R12 - Right DAC Digital Volume */
58 	{ 13, 0x0000 },     /* R13 - Digital Side Tone */
59 	{ 14, 0x0100 },     /* R14 - ADC CTRL */
60 	{ 15, 0x00C0 },     /* R15 - Left ADC Digital Volume */
61 	{ 16, 0x00C0 },     /* R16 - Right ADC Digital Volume */
62 
63 	{ 18, 0x0000 },     /* R18 - GPIO CTRL 1 */
64 	{ 19, 0x1000 },     /* R19 - GPIO1 & GPIO2 */
65 	{ 20, 0x1010 },     /* R20 - GPIO3 & GPIO4 */
66 	{ 21, 0x1010 },     /* R21 - GPIO5 & GPIO6 */
67 	{ 22, 0x8000 },     /* R22 - GPIOCTRL 2 */
68 	{ 23, 0x0800 },     /* R23 - GPIO_POL */
69 	{ 24, 0x008B },     /* R24 - Left Line Input 1&2 Volume */
70 	{ 25, 0x008B },     /* R25 - Left Line Input 3&4 Volume */
71 	{ 26, 0x008B },     /* R26 - Right Line Input 1&2 Volume */
72 	{ 27, 0x008B },     /* R27 - Right Line Input 3&4 Volume */
73 	{ 28, 0x0000 },     /* R28 - Left Output Volume */
74 	{ 29, 0x0000 },     /* R29 - Right Output Volume */
75 	{ 30, 0x0066 },     /* R30 - Line Outputs Volume */
76 	{ 31, 0x0022 },     /* R31 - Out3/4 Volume */
77 	{ 32, 0x0079 },     /* R32 - Left OPGA Volume */
78 	{ 33, 0x0079 },     /* R33 - Right OPGA Volume */
79 	{ 34, 0x0003 },     /* R34 - Speaker Volume */
80 	{ 35, 0x0003 },     /* R35 - ClassD1 */
81 
82 	{ 37, 0x0100 },     /* R37 - ClassD3 */
83 	{ 38, 0x0079 },     /* R38 - ClassD4 */
84 	{ 39, 0x0000 },     /* R39 - Input Mixer1 */
85 	{ 40, 0x0000 },     /* R40 - Input Mixer2 */
86 	{ 41, 0x0000 },     /* R41 - Input Mixer3 */
87 	{ 42, 0x0000 },     /* R42 - Input Mixer4 */
88 	{ 43, 0x0000 },     /* R43 - Input Mixer5 */
89 	{ 44, 0x0000 },     /* R44 - Input Mixer6 */
90 	{ 45, 0x0000 },     /* R45 - Output Mixer1 */
91 	{ 46, 0x0000 },     /* R46 - Output Mixer2 */
92 	{ 47, 0x0000 },     /* R47 - Output Mixer3 */
93 	{ 48, 0x0000 },     /* R48 - Output Mixer4 */
94 	{ 49, 0x0000 },     /* R49 - Output Mixer5 */
95 	{ 50, 0x0000 },     /* R50 - Output Mixer6 */
96 	{ 51, 0x0180 },     /* R51 - Out3/4 Mixer */
97 	{ 52, 0x0000 },     /* R52 - Line Mixer1 */
98 	{ 53, 0x0000 },     /* R53 - Line Mixer2 */
99 	{ 54, 0x0000 },     /* R54 - Speaker Mixer */
100 	{ 55, 0x0000 },     /* R55 - Additional Control */
101 	{ 56, 0x0000 },     /* R56 - AntiPOP1 */
102 	{ 57, 0x0000 },     /* R57 - AntiPOP2 */
103 	{ 58, 0x0000 },     /* R58 - MICBIAS */
104 
105 	{ 60, 0x0008 },     /* R60 - PLL1 */
106 	{ 61, 0x0031 },     /* R61 - PLL2 */
107 	{ 62, 0x0026 },     /* R62 - PLL3 */
108 };
109 
110 #define wm8990_reset(c) snd_soc_component_write(c, WM8990_RESET, 0)
111 
112 static const DECLARE_TLV_DB_SCALE(rec_mix_tlv, -1500, 600, 0);
113 
114 static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1650, 3000, 0);
115 
116 static const DECLARE_TLV_DB_SCALE(out_mix_tlv, 0, -2100, 0);
117 
118 static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -7300, 600, 0);
119 
120 static const DECLARE_TLV_DB_SCALE(out_omix_tlv, -600, 0, 0);
121 
122 static const DECLARE_TLV_DB_SCALE(out_dac_tlv, -7163, 0, 0);
123 
124 static const DECLARE_TLV_DB_SCALE(in_adc_tlv, -7163, 1763, 0);
125 
126 static const DECLARE_TLV_DB_SCALE(out_sidetone_tlv, -3600, 0, 0);
127 
128 static int wm899x_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
129 	struct snd_ctl_elem_value *ucontrol)
130 {
131 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
132 	struct soc_mixer_control *mc =
133 		(struct soc_mixer_control *)kcontrol->private_value;
134 	int reg = mc->reg;
135 	int ret;
136 	u16 val;
137 
138 	ret = snd_soc_put_volsw(kcontrol, ucontrol);
139 	if (ret < 0)
140 		return ret;
141 
142 	/* now hit the volume update bits (always bit 8) */
143 	val = snd_soc_component_read32(component, reg);
144 	return snd_soc_component_write(component, reg, val | 0x0100);
145 }
146 
147 #define SOC_WM899X_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert,\
148 	tlv_array) \
149 	SOC_SINGLE_EXT_TLV(xname, reg, shift, max, invert, \
150 		snd_soc_get_volsw, wm899x_outpga_put_volsw_vu, tlv_array)
151 
152 
153 static const char *wm8990_digital_sidetone[] =
154 	{"None", "Left ADC", "Right ADC", "Reserved"};
155 
156 static SOC_ENUM_SINGLE_DECL(wm8990_left_digital_sidetone_enum,
157 			    WM8990_DIGITAL_SIDE_TONE,
158 			    WM8990_ADC_TO_DACL_SHIFT,
159 			    wm8990_digital_sidetone);
160 
161 static SOC_ENUM_SINGLE_DECL(wm8990_right_digital_sidetone_enum,
162 			    WM8990_DIGITAL_SIDE_TONE,
163 			    WM8990_ADC_TO_DACR_SHIFT,
164 			    wm8990_digital_sidetone);
165 
166 static const char *wm8990_adcmode[] =
167 	{"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
168 
169 static SOC_ENUM_SINGLE_DECL(wm8990_right_adcmode_enum,
170 			    WM8990_ADC_CTRL,
171 			    WM8990_ADC_HPF_CUT_SHIFT,
172 			    wm8990_adcmode);
173 
174 static const struct snd_kcontrol_new wm8990_snd_controls[] = {
175 /* INMIXL */
176 SOC_SINGLE("LIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L12MNBST_BIT, 1, 0),
177 SOC_SINGLE("LIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L34MNBST_BIT, 1, 0),
178 /* INMIXR */
179 SOC_SINGLE("RIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R12MNBST_BIT, 1, 0),
180 SOC_SINGLE("RIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R34MNBST_BIT, 1, 0),
181 
182 /* LOMIX */
183 SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER3,
184 	WM8990_LLI3LOVOL_SHIFT, WM8990_LLI3LOVOL_MASK, 1, out_mix_tlv),
185 SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3,
186 	WM8990_LR12LOVOL_SHIFT, WM8990_LR12LOVOL_MASK, 1, out_mix_tlv),
187 SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3,
188 	WM8990_LL12LOVOL_SHIFT, WM8990_LL12LOVOL_MASK, 1, out_mix_tlv),
189 SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER5,
190 	WM8990_LRI3LOVOL_SHIFT, WM8990_LRI3LOVOL_MASK, 1, out_mix_tlv),
191 SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER5,
192 	WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv),
193 SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER5,
194 	WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv),
195 
196 /* ROMIX */
197 SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER4,
198 	WM8990_RRI3ROVOL_SHIFT, WM8990_RRI3ROVOL_MASK, 1, out_mix_tlv),
199 SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4,
200 	WM8990_RL12ROVOL_SHIFT, WM8990_RL12ROVOL_MASK, 1, out_mix_tlv),
201 SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4,
202 	WM8990_RR12ROVOL_SHIFT, WM8990_RR12ROVOL_MASK, 1, out_mix_tlv),
203 SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER6,
204 	WM8990_RLI3ROVOL_SHIFT, WM8990_RLI3ROVOL_MASK, 1, out_mix_tlv),
205 SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER6,
206 	WM8990_RLBROVOL_SHIFT, WM8990_RLBROVOL_MASK, 1, out_mix_tlv),
207 SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER6,
208 	WM8990_RRBROVOL_SHIFT, WM8990_RRBROVOL_MASK, 1, out_mix_tlv),
209 
210 /* LOUT */
211 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8990_LEFT_OUTPUT_VOLUME,
212 	WM8990_LOUTVOL_SHIFT, WM8990_LOUTVOL_MASK, 0, out_pga_tlv),
213 SOC_SINGLE("LOUT ZC", WM8990_LEFT_OUTPUT_VOLUME, WM8990_LOZC_BIT, 1, 0),
214 
215 /* ROUT */
216 SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8990_RIGHT_OUTPUT_VOLUME,
217 	WM8990_ROUTVOL_SHIFT, WM8990_ROUTVOL_MASK, 0, out_pga_tlv),
218 SOC_SINGLE("ROUT ZC", WM8990_RIGHT_OUTPUT_VOLUME, WM8990_ROZC_BIT, 1, 0),
219 
220 /* LOPGA */
221 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8990_LEFT_OPGA_VOLUME,
222 	WM8990_LOPGAVOL_SHIFT, WM8990_LOPGAVOL_MASK, 0, out_pga_tlv),
223 SOC_SINGLE("LOPGA ZC Switch", WM8990_LEFT_OPGA_VOLUME,
224 	WM8990_LOPGAZC_BIT, 1, 0),
225 
226 /* ROPGA */
227 SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8990_RIGHT_OPGA_VOLUME,
228 	WM8990_ROPGAVOL_SHIFT, WM8990_ROPGAVOL_MASK, 0, out_pga_tlv),
229 SOC_SINGLE("ROPGA ZC Switch", WM8990_RIGHT_OPGA_VOLUME,
230 	WM8990_ROPGAZC_BIT, 1, 0),
231 
232 SOC_SINGLE("LON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
233 	WM8990_LONMUTE_BIT, 1, 0),
234 SOC_SINGLE("LOP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
235 	WM8990_LOPMUTE_BIT, 1, 0),
236 SOC_SINGLE("LOP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME,
237 	WM8990_LOATTN_BIT, 1, 0),
238 SOC_SINGLE("RON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
239 	WM8990_RONMUTE_BIT, 1, 0),
240 SOC_SINGLE("ROP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
241 	WM8990_ROPMUTE_BIT, 1, 0),
242 SOC_SINGLE("ROP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME,
243 	WM8990_ROATTN_BIT, 1, 0),
244 
245 SOC_SINGLE("OUT3 Mute Switch", WM8990_OUT3_4_VOLUME,
246 	WM8990_OUT3MUTE_BIT, 1, 0),
247 SOC_SINGLE("OUT3 Attenuation Switch", WM8990_OUT3_4_VOLUME,
248 	WM8990_OUT3ATTN_BIT, 1, 0),
249 
250 SOC_SINGLE("OUT4 Mute Switch", WM8990_OUT3_4_VOLUME,
251 	WM8990_OUT4MUTE_BIT, 1, 0),
252 SOC_SINGLE("OUT4 Attenuation Switch", WM8990_OUT3_4_VOLUME,
253 	WM8990_OUT4ATTN_BIT, 1, 0),
254 
255 SOC_SINGLE("Speaker Mode Switch", WM8990_CLASSD1,
256 	WM8990_CDMODE_BIT, 1, 0),
257 
258 SOC_SINGLE("Speaker Output Attenuation Volume", WM8990_SPEAKER_VOLUME,
259 	WM8990_SPKATTN_SHIFT, WM8990_SPKATTN_MASK, 0),
260 SOC_SINGLE("Speaker DC Boost Volume", WM8990_CLASSD3,
261 	WM8990_DCGAIN_SHIFT, WM8990_DCGAIN_MASK, 0),
262 SOC_SINGLE("Speaker AC Boost Volume", WM8990_CLASSD3,
263 	WM8990_ACGAIN_SHIFT, WM8990_ACGAIN_MASK, 0),
264 SOC_SINGLE_TLV("Speaker Volume", WM8990_CLASSD4,
265 	WM8990_SPKVOL_SHIFT, WM8990_SPKVOL_MASK, 0, out_pga_tlv),
266 SOC_SINGLE("Speaker ZC Switch", WM8990_CLASSD4,
267 	WM8990_SPKZC_SHIFT, WM8990_SPKZC_MASK, 0),
268 
269 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
270 	WM8990_LEFT_DAC_DIGITAL_VOLUME,
271 	WM8990_DACL_VOL_SHIFT,
272 	WM8990_DACL_VOL_MASK,
273 	0,
274 	out_dac_tlv),
275 
276 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
277 	WM8990_RIGHT_DAC_DIGITAL_VOLUME,
278 	WM8990_DACR_VOL_SHIFT,
279 	WM8990_DACR_VOL_MASK,
280 	0,
281 	out_dac_tlv),
282 
283 SOC_ENUM("Left Digital Sidetone", wm8990_left_digital_sidetone_enum),
284 SOC_ENUM("Right Digital Sidetone", wm8990_right_digital_sidetone_enum),
285 
286 SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
287 	WM8990_ADCL_DAC_SVOL_SHIFT, WM8990_ADCL_DAC_SVOL_MASK, 0,
288 	out_sidetone_tlv),
289 SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
290 	WM8990_ADCR_DAC_SVOL_SHIFT, WM8990_ADCR_DAC_SVOL_MASK, 0,
291 	out_sidetone_tlv),
292 
293 SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8990_ADC_CTRL,
294 	WM8990_ADC_HPF_ENA_BIT, 1, 0),
295 
296 SOC_ENUM("ADC HPF Mode", wm8990_right_adcmode_enum),
297 
298 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
299 	WM8990_LEFT_ADC_DIGITAL_VOLUME,
300 	WM8990_ADCL_VOL_SHIFT,
301 	WM8990_ADCL_VOL_MASK,
302 	0,
303 	in_adc_tlv),
304 
305 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
306 	WM8990_RIGHT_ADC_DIGITAL_VOLUME,
307 	WM8990_ADCR_VOL_SHIFT,
308 	WM8990_ADCR_VOL_MASK,
309 	0,
310 	in_adc_tlv),
311 
312 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
313 	WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
314 	WM8990_LIN12VOL_SHIFT,
315 	WM8990_LIN12VOL_MASK,
316 	0,
317 	in_pga_tlv),
318 
319 SOC_SINGLE("LIN12 ZC Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
320 	WM8990_LI12ZC_BIT, 1, 0),
321 
322 SOC_SINGLE("LIN12 Mute Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
323 	WM8990_LI12MUTE_BIT, 1, 0),
324 
325 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
326 	WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
327 	WM8990_LIN34VOL_SHIFT,
328 	WM8990_LIN34VOL_MASK,
329 	0,
330 	in_pga_tlv),
331 
332 SOC_SINGLE("LIN34 ZC Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
333 	WM8990_LI34ZC_BIT, 1, 0),
334 
335 SOC_SINGLE("LIN34 Mute Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
336 	WM8990_LI34MUTE_BIT, 1, 0),
337 
338 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
339 	WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
340 	WM8990_RIN12VOL_SHIFT,
341 	WM8990_RIN12VOL_MASK,
342 	0,
343 	in_pga_tlv),
344 
345 SOC_SINGLE("RIN12 ZC Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
346 	WM8990_RI12ZC_BIT, 1, 0),
347 
348 SOC_SINGLE("RIN12 Mute Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
349 	WM8990_RI12MUTE_BIT, 1, 0),
350 
351 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
352 	WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
353 	WM8990_RIN34VOL_SHIFT,
354 	WM8990_RIN34VOL_MASK,
355 	0,
356 	in_pga_tlv),
357 
358 SOC_SINGLE("RIN34 ZC Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
359 	WM8990_RI34ZC_BIT, 1, 0),
360 
361 SOC_SINGLE("RIN34 Mute Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
362 	WM8990_RI34MUTE_BIT, 1, 0),
363 
364 };
365 
366 /*
367  * _DAPM_ Controls
368  */
369 
370 static int outmixer_event(struct snd_soc_dapm_widget *w,
371 	struct snd_kcontrol *kcontrol, int event)
372 {
373 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
374 	u32 reg_shift = kcontrol->private_value & 0xfff;
375 	int ret = 0;
376 	u16 reg;
377 
378 	switch (reg_shift) {
379 	case WM8990_SPEAKER_MIXER | (WM8990_LDSPK_BIT << 8) :
380 		reg = snd_soc_component_read32(component, WM8990_OUTPUT_MIXER1);
381 		if (reg & WM8990_LDLO) {
382 			printk(KERN_WARNING
383 			"Cannot set as Output Mixer 1 LDLO Set\n");
384 			ret = -1;
385 		}
386 		break;
387 	case WM8990_SPEAKER_MIXER | (WM8990_RDSPK_BIT << 8):
388 		reg = snd_soc_component_read32(component, WM8990_OUTPUT_MIXER2);
389 		if (reg & WM8990_RDRO) {
390 			printk(KERN_WARNING
391 			"Cannot set as Output Mixer 2 RDRO Set\n");
392 			ret = -1;
393 		}
394 		break;
395 	case WM8990_OUTPUT_MIXER1 | (WM8990_LDLO_BIT << 8):
396 		reg = snd_soc_component_read32(component, WM8990_SPEAKER_MIXER);
397 		if (reg & WM8990_LDSPK) {
398 			printk(KERN_WARNING
399 			"Cannot set as Speaker Mixer LDSPK Set\n");
400 			ret = -1;
401 		}
402 		break;
403 	case WM8990_OUTPUT_MIXER2 | (WM8990_RDRO_BIT << 8):
404 		reg = snd_soc_component_read32(component, WM8990_SPEAKER_MIXER);
405 		if (reg & WM8990_RDSPK) {
406 			printk(KERN_WARNING
407 			"Cannot set as Speaker Mixer RDSPK Set\n");
408 			ret = -1;
409 		}
410 		break;
411 	}
412 
413 	return ret;
414 }
415 
416 /* INMIX dB values */
417 static const DECLARE_TLV_DB_SCALE(in_mix_tlv, -1200, 600, 0);
418 
419 /* Left In PGA Connections */
420 static const struct snd_kcontrol_new wm8990_dapm_lin12_pga_controls[] = {
421 SOC_DAPM_SINGLE("LIN1 Switch", WM8990_INPUT_MIXER2, WM8990_LMN1_BIT, 1, 0),
422 SOC_DAPM_SINGLE("LIN2 Switch", WM8990_INPUT_MIXER2, WM8990_LMP2_BIT, 1, 0),
423 };
424 
425 static const struct snd_kcontrol_new wm8990_dapm_lin34_pga_controls[] = {
426 SOC_DAPM_SINGLE("LIN3 Switch", WM8990_INPUT_MIXER2, WM8990_LMN3_BIT, 1, 0),
427 SOC_DAPM_SINGLE("LIN4 Switch", WM8990_INPUT_MIXER2, WM8990_LMP4_BIT, 1, 0),
428 };
429 
430 /* Right In PGA Connections */
431 static const struct snd_kcontrol_new wm8990_dapm_rin12_pga_controls[] = {
432 SOC_DAPM_SINGLE("RIN1 Switch", WM8990_INPUT_MIXER2, WM8990_RMN1_BIT, 1, 0),
433 SOC_DAPM_SINGLE("RIN2 Switch", WM8990_INPUT_MIXER2, WM8990_RMP2_BIT, 1, 0),
434 };
435 
436 static const struct snd_kcontrol_new wm8990_dapm_rin34_pga_controls[] = {
437 SOC_DAPM_SINGLE("RIN3 Switch", WM8990_INPUT_MIXER2, WM8990_RMN3_BIT, 1, 0),
438 SOC_DAPM_SINGLE("RIN4 Switch", WM8990_INPUT_MIXER2, WM8990_RMP4_BIT, 1, 0),
439 };
440 
441 /* INMIXL */
442 static const struct snd_kcontrol_new wm8990_dapm_inmixl_controls[] = {
443 SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8990_INPUT_MIXER3,
444 	WM8990_LDBVOL_SHIFT, WM8990_LDBVOL_MASK, 0, in_mix_tlv),
445 SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8990_INPUT_MIXER5, WM8990_LI2BVOL_SHIFT,
446 	7, 0, in_mix_tlv),
447 SOC_DAPM_SINGLE("LINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
448 	1, 0),
449 SOC_DAPM_SINGLE("LINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
450 	1, 0),
451 };
452 
453 /* INMIXR */
454 static const struct snd_kcontrol_new wm8990_dapm_inmixr_controls[] = {
455 SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8990_INPUT_MIXER4,
456 	WM8990_RDBVOL_SHIFT, WM8990_RDBVOL_MASK, 0, in_mix_tlv),
457 SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8990_INPUT_MIXER6, WM8990_RI2BVOL_SHIFT,
458 	7, 0, in_mix_tlv),
459 SOC_DAPM_SINGLE("RINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
460 	1, 0),
461 SOC_DAPM_SINGLE("RINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
462 	1, 0),
463 };
464 
465 /* AINLMUX */
466 static const char *wm8990_ainlmux[] =
467 	{"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
468 
469 static SOC_ENUM_SINGLE_DECL(wm8990_ainlmux_enum,
470 			    WM8990_INPUT_MIXER1, WM8990_AINLMODE_SHIFT,
471 			    wm8990_ainlmux);
472 
473 static const struct snd_kcontrol_new wm8990_dapm_ainlmux_controls =
474 SOC_DAPM_ENUM("Route", wm8990_ainlmux_enum);
475 
476 /* DIFFINL */
477 
478 /* AINRMUX */
479 static const char *wm8990_ainrmux[] =
480 	{"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
481 
482 static SOC_ENUM_SINGLE_DECL(wm8990_ainrmux_enum,
483 			    WM8990_INPUT_MIXER1, WM8990_AINRMODE_SHIFT,
484 			    wm8990_ainrmux);
485 
486 static const struct snd_kcontrol_new wm8990_dapm_ainrmux_controls =
487 SOC_DAPM_ENUM("Route", wm8990_ainrmux_enum);
488 
489 /* RXVOICE */
490 static const struct snd_kcontrol_new wm8990_dapm_rxvoice_controls[] = {
491 SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8990_INPUT_MIXER5, WM8990_LR4BVOL_SHIFT,
492 			WM8990_LR4BVOL_MASK, 0, in_mix_tlv),
493 SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8990_INPUT_MIXER6, WM8990_RL4BVOL_SHIFT,
494 			WM8990_RL4BVOL_MASK, 0, in_mix_tlv),
495 };
496 
497 /* LOMIX */
498 static const struct snd_kcontrol_new wm8990_dapm_lomix_controls[] = {
499 SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
500 	WM8990_LRBLO_BIT, 1, 0),
501 SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
502 	WM8990_LLBLO_BIT, 1, 0),
503 SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
504 	WM8990_LRI3LO_BIT, 1, 0),
505 SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
506 	WM8990_LLI3LO_BIT, 1, 0),
507 SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
508 	WM8990_LR12LO_BIT, 1, 0),
509 SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
510 	WM8990_LL12LO_BIT, 1, 0),
511 SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8990_OUTPUT_MIXER1,
512 	WM8990_LDLO_BIT, 1, 0),
513 };
514 
515 /* ROMIX */
516 static const struct snd_kcontrol_new wm8990_dapm_romix_controls[] = {
517 SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
518 	WM8990_RLBRO_BIT, 1, 0),
519 SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
520 	WM8990_RRBRO_BIT, 1, 0),
521 SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
522 	WM8990_RLI3RO_BIT, 1, 0),
523 SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
524 	WM8990_RRI3RO_BIT, 1, 0),
525 SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
526 	WM8990_RL12RO_BIT, 1, 0),
527 SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
528 	WM8990_RR12RO_BIT, 1, 0),
529 SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8990_OUTPUT_MIXER2,
530 	WM8990_RDRO_BIT, 1, 0),
531 };
532 
533 /* LONMIX */
534 static const struct snd_kcontrol_new wm8990_dapm_lonmix_controls[] = {
535 SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
536 	WM8990_LLOPGALON_BIT, 1, 0),
537 SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER1,
538 	WM8990_LROPGALON_BIT, 1, 0),
539 SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8990_LINE_MIXER1,
540 	WM8990_LOPLON_BIT, 1, 0),
541 };
542 
543 /* LOPMIX */
544 static const struct snd_kcontrol_new wm8990_dapm_lopmix_controls[] = {
545 SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER1,
546 	WM8990_LR12LOP_BIT, 1, 0),
547 SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER1,
548 	WM8990_LL12LOP_BIT, 1, 0),
549 SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
550 	WM8990_LLOPGALOP_BIT, 1, 0),
551 };
552 
553 /* RONMIX */
554 static const struct snd_kcontrol_new wm8990_dapm_ronmix_controls[] = {
555 SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
556 	WM8990_RROPGARON_BIT, 1, 0),
557 SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER2,
558 	WM8990_RLOPGARON_BIT, 1, 0),
559 SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8990_LINE_MIXER2,
560 	WM8990_ROPRON_BIT, 1, 0),
561 };
562 
563 /* ROPMIX */
564 static const struct snd_kcontrol_new wm8990_dapm_ropmix_controls[] = {
565 SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER2,
566 	WM8990_RL12ROP_BIT, 1, 0),
567 SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER2,
568 	WM8990_RR12ROP_BIT, 1, 0),
569 SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
570 	WM8990_RROPGAROP_BIT, 1, 0),
571 };
572 
573 /* OUT3MIX */
574 static const struct snd_kcontrol_new wm8990_dapm_out3mix_controls[] = {
575 SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
576 	WM8990_LI4O3_BIT, 1, 0),
577 SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8990_OUT3_4_MIXER,
578 	WM8990_LPGAO3_BIT, 1, 0),
579 };
580 
581 /* OUT4MIX */
582 static const struct snd_kcontrol_new wm8990_dapm_out4mix_controls[] = {
583 SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8990_OUT3_4_MIXER,
584 	WM8990_RPGAO4_BIT, 1, 0),
585 SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
586 	WM8990_RI4O4_BIT, 1, 0),
587 };
588 
589 /* SPKMIX */
590 static const struct snd_kcontrol_new wm8990_dapm_spkmix_controls[] = {
591 SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
592 	WM8990_LI2SPK_BIT, 1, 0),
593 SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8990_SPEAKER_MIXER,
594 	WM8990_LB2SPK_BIT, 1, 0),
595 SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8990_SPEAKER_MIXER,
596 	WM8990_LOPGASPK_BIT, 1, 0),
597 SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8990_SPEAKER_MIXER,
598 	WM8990_LDSPK_BIT, 1, 0),
599 SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8990_SPEAKER_MIXER,
600 	WM8990_RDSPK_BIT, 1, 0),
601 SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8990_SPEAKER_MIXER,
602 	WM8990_ROPGASPK_BIT, 1, 0),
603 SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8990_SPEAKER_MIXER,
604 	WM8990_RL12ROP_BIT, 1, 0),
605 SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
606 	WM8990_RI2SPK_BIT, 1, 0),
607 };
608 
609 static const struct snd_soc_dapm_widget wm8990_dapm_widgets[] = {
610 /* Input Side */
611 /* Input Lines */
612 SND_SOC_DAPM_INPUT("LIN1"),
613 SND_SOC_DAPM_INPUT("LIN2"),
614 SND_SOC_DAPM_INPUT("LIN3"),
615 SND_SOC_DAPM_INPUT("LIN4/RXN"),
616 SND_SOC_DAPM_INPUT("RIN3"),
617 SND_SOC_DAPM_INPUT("RIN4/RXP"),
618 SND_SOC_DAPM_INPUT("RIN1"),
619 SND_SOC_DAPM_INPUT("RIN2"),
620 SND_SOC_DAPM_INPUT("Internal ADC Source"),
621 
622 SND_SOC_DAPM_SUPPLY("INL", WM8990_POWER_MANAGEMENT_2, WM8990_AINL_ENA_BIT, 0,
623 		    NULL, 0),
624 SND_SOC_DAPM_SUPPLY("INR", WM8990_POWER_MANAGEMENT_2, WM8990_AINR_ENA_BIT, 0,
625 		    NULL, 0),
626 
627 /* DACs */
628 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8990_POWER_MANAGEMENT_2,
629 	WM8990_ADCL_ENA_BIT, 0),
630 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8990_POWER_MANAGEMENT_2,
631 	WM8990_ADCR_ENA_BIT, 0),
632 
633 /* Input PGAs */
634 SND_SOC_DAPM_MIXER("LIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN12_ENA_BIT,
635 	0, &wm8990_dapm_lin12_pga_controls[0],
636 	ARRAY_SIZE(wm8990_dapm_lin12_pga_controls)),
637 SND_SOC_DAPM_MIXER("LIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN34_ENA_BIT,
638 	0, &wm8990_dapm_lin34_pga_controls[0],
639 	ARRAY_SIZE(wm8990_dapm_lin34_pga_controls)),
640 SND_SOC_DAPM_MIXER("RIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN12_ENA_BIT,
641 	0, &wm8990_dapm_rin12_pga_controls[0],
642 	ARRAY_SIZE(wm8990_dapm_rin12_pga_controls)),
643 SND_SOC_DAPM_MIXER("RIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN34_ENA_BIT,
644 	0, &wm8990_dapm_rin34_pga_controls[0],
645 	ARRAY_SIZE(wm8990_dapm_rin34_pga_controls)),
646 
647 /* INMIXL */
648 SND_SOC_DAPM_MIXER("INMIXL", SND_SOC_NOPM, 0, 0,
649 	&wm8990_dapm_inmixl_controls[0],
650 	ARRAY_SIZE(wm8990_dapm_inmixl_controls)),
651 
652 /* AINLMUX */
653 SND_SOC_DAPM_MUX("AINLMUX", SND_SOC_NOPM, 0, 0, &wm8990_dapm_ainlmux_controls),
654 
655 /* INMIXR */
656 SND_SOC_DAPM_MIXER("INMIXR", SND_SOC_NOPM, 0, 0,
657 	&wm8990_dapm_inmixr_controls[0],
658 	ARRAY_SIZE(wm8990_dapm_inmixr_controls)),
659 
660 /* AINRMUX */
661 SND_SOC_DAPM_MUX("AINRMUX", SND_SOC_NOPM, 0, 0, &wm8990_dapm_ainrmux_controls),
662 
663 /* Output Side */
664 /* DACs */
665 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8990_POWER_MANAGEMENT_3,
666 	WM8990_DACL_ENA_BIT, 0),
667 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8990_POWER_MANAGEMENT_3,
668 	WM8990_DACR_ENA_BIT, 0),
669 
670 /* LOMIX */
671 SND_SOC_DAPM_MIXER_E("LOMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOMIX_ENA_BIT,
672 	0, &wm8990_dapm_lomix_controls[0],
673 	ARRAY_SIZE(wm8990_dapm_lomix_controls),
674 	outmixer_event, SND_SOC_DAPM_PRE_REG),
675 
676 /* LONMIX */
677 SND_SOC_DAPM_MIXER("LONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LON_ENA_BIT, 0,
678 	&wm8990_dapm_lonmix_controls[0],
679 	ARRAY_SIZE(wm8990_dapm_lonmix_controls)),
680 
681 /* LOPMIX */
682 SND_SOC_DAPM_MIXER("LOPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOP_ENA_BIT, 0,
683 	&wm8990_dapm_lopmix_controls[0],
684 	ARRAY_SIZE(wm8990_dapm_lopmix_controls)),
685 
686 /* OUT3MIX */
687 SND_SOC_DAPM_MIXER("OUT3MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT3_ENA_BIT, 0,
688 	&wm8990_dapm_out3mix_controls[0],
689 	ARRAY_SIZE(wm8990_dapm_out3mix_controls)),
690 
691 /* SPKMIX */
692 SND_SOC_DAPM_MIXER_E("SPKMIX", WM8990_POWER_MANAGEMENT_1, WM8990_SPK_ENA_BIT, 0,
693 	&wm8990_dapm_spkmix_controls[0],
694 	ARRAY_SIZE(wm8990_dapm_spkmix_controls), outmixer_event,
695 	SND_SOC_DAPM_PRE_REG),
696 
697 /* OUT4MIX */
698 SND_SOC_DAPM_MIXER("OUT4MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT4_ENA_BIT, 0,
699 	&wm8990_dapm_out4mix_controls[0],
700 	ARRAY_SIZE(wm8990_dapm_out4mix_controls)),
701 
702 /* ROPMIX */
703 SND_SOC_DAPM_MIXER("ROPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROP_ENA_BIT, 0,
704 	&wm8990_dapm_ropmix_controls[0],
705 	ARRAY_SIZE(wm8990_dapm_ropmix_controls)),
706 
707 /* RONMIX */
708 SND_SOC_DAPM_MIXER("RONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_RON_ENA_BIT, 0,
709 	&wm8990_dapm_ronmix_controls[0],
710 	ARRAY_SIZE(wm8990_dapm_ronmix_controls)),
711 
712 /* ROMIX */
713 SND_SOC_DAPM_MIXER_E("ROMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROMIX_ENA_BIT,
714 	0, &wm8990_dapm_romix_controls[0],
715 	ARRAY_SIZE(wm8990_dapm_romix_controls),
716 	outmixer_event, SND_SOC_DAPM_PRE_REG),
717 
718 /* LOUT PGA */
719 SND_SOC_DAPM_PGA("LOUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_LOUT_ENA_BIT, 0,
720 	NULL, 0),
721 
722 /* ROUT PGA */
723 SND_SOC_DAPM_PGA("ROUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_ROUT_ENA_BIT, 0,
724 	NULL, 0),
725 
726 /* LOPGA */
727 SND_SOC_DAPM_PGA("LOPGA", WM8990_POWER_MANAGEMENT_3, WM8990_LOPGA_ENA_BIT, 0,
728 	NULL, 0),
729 
730 /* ROPGA */
731 SND_SOC_DAPM_PGA("ROPGA", WM8990_POWER_MANAGEMENT_3, WM8990_ROPGA_ENA_BIT, 0,
732 	NULL, 0),
733 
734 /* MICBIAS */
735 SND_SOC_DAPM_SUPPLY("MICBIAS", WM8990_POWER_MANAGEMENT_1,
736 		    WM8990_MICBIAS_ENA_BIT, 0, NULL, 0),
737 
738 SND_SOC_DAPM_OUTPUT("LON"),
739 SND_SOC_DAPM_OUTPUT("LOP"),
740 SND_SOC_DAPM_OUTPUT("OUT3"),
741 SND_SOC_DAPM_OUTPUT("LOUT"),
742 SND_SOC_DAPM_OUTPUT("SPKN"),
743 SND_SOC_DAPM_OUTPUT("SPKP"),
744 SND_SOC_DAPM_OUTPUT("ROUT"),
745 SND_SOC_DAPM_OUTPUT("OUT4"),
746 SND_SOC_DAPM_OUTPUT("ROP"),
747 SND_SOC_DAPM_OUTPUT("RON"),
748 
749 SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
750 };
751 
752 static const struct snd_soc_dapm_route wm8990_dapm_routes[] = {
753 	/* Make DACs turn on when playing even if not mixed into any outputs */
754 	{"Internal DAC Sink", NULL, "Left DAC"},
755 	{"Internal DAC Sink", NULL, "Right DAC"},
756 
757 	/* Make ADCs turn on when recording even if not mixed from any inputs */
758 	{"Left ADC", NULL, "Internal ADC Source"},
759 	{"Right ADC", NULL, "Internal ADC Source"},
760 
761 	{"AINLMUX", NULL, "INL"},
762 	{"INMIXL", NULL, "INL"},
763 	{"AINRMUX", NULL, "INR"},
764 	{"INMIXR", NULL, "INR"},
765 
766 	/* Input Side */
767 	/* LIN12 PGA */
768 	{"LIN12 PGA", "LIN1 Switch", "LIN1"},
769 	{"LIN12 PGA", "LIN2 Switch", "LIN2"},
770 	/* LIN34 PGA */
771 	{"LIN34 PGA", "LIN3 Switch", "LIN3"},
772 	{"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"},
773 	/* INMIXL */
774 	{"INMIXL", "Record Left Volume", "LOMIX"},
775 	{"INMIXL", "LIN2 Volume", "LIN2"},
776 	{"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
777 	{"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
778 	/* AINLMUX */
779 	{"AINLMUX", "INMIXL Mix", "INMIXL"},
780 	{"AINLMUX", "DIFFINL Mix", "LIN12 PGA"},
781 	{"AINLMUX", "DIFFINL Mix", "LIN34 PGA"},
782 	{"AINLMUX", "RXVOICE Mix", "LIN4/RXN"},
783 	{"AINLMUX", "RXVOICE Mix", "RIN4/RXP"},
784 	/* ADC */
785 	{"Left ADC", NULL, "AINLMUX"},
786 
787 	/* RIN12 PGA */
788 	{"RIN12 PGA", "RIN1 Switch", "RIN1"},
789 	{"RIN12 PGA", "RIN2 Switch", "RIN2"},
790 	/* RIN34 PGA */
791 	{"RIN34 PGA", "RIN3 Switch", "RIN3"},
792 	{"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"},
793 	/* INMIXL */
794 	{"INMIXR", "Record Right Volume", "ROMIX"},
795 	{"INMIXR", "RIN2 Volume", "RIN2"},
796 	{"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
797 	{"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
798 	/* AINRMUX */
799 	{"AINRMUX", "INMIXR Mix", "INMIXR"},
800 	{"AINRMUX", "DIFFINR Mix", "RIN12 PGA"},
801 	{"AINRMUX", "DIFFINR Mix", "RIN34 PGA"},
802 	{"AINRMUX", "RXVOICE Mix", "LIN4/RXN"},
803 	{"AINRMUX", "RXVOICE Mix", "RIN4/RXP"},
804 	/* ADC */
805 	{"Right ADC", NULL, "AINRMUX"},
806 
807 	/* LOMIX */
808 	{"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
809 	{"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
810 	{"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
811 	{"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
812 	{"LOMIX", "LOMIX Right ADC Bypass Switch", "AINRMUX"},
813 	{"LOMIX", "LOMIX Left ADC Bypass Switch", "AINLMUX"},
814 	{"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
815 
816 	/* ROMIX */
817 	{"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
818 	{"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
819 	{"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
820 	{"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
821 	{"ROMIX", "ROMIX Right ADC Bypass Switch", "AINRMUX"},
822 	{"ROMIX", "ROMIX Left ADC Bypass Switch", "AINLMUX"},
823 	{"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
824 
825 	/* SPKMIX */
826 	{"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
827 	{"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
828 	{"SPKMIX", "SPKMIX LADC Bypass Switch", "AINLMUX"},
829 	{"SPKMIX", "SPKMIX RADC Bypass Switch", "AINRMUX"},
830 	{"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
831 	{"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
832 	{"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
833 	{"SPKMIX", "SPKMIX Left DAC Switch", "Left DAC"},
834 
835 	/* LONMIX */
836 	{"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
837 	{"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
838 	{"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
839 
840 	/* LOPMIX */
841 	{"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
842 	{"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
843 	{"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
844 
845 	/* OUT3MIX */
846 	{"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXN"},
847 	{"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
848 
849 	/* OUT4MIX */
850 	{"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
851 	{"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"},
852 
853 	/* RONMIX */
854 	{"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
855 	{"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
856 	{"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
857 
858 	/* ROPMIX */
859 	{"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
860 	{"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
861 	{"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
862 
863 	/* Out Mixer PGAs */
864 	{"LOPGA", NULL, "LOMIX"},
865 	{"ROPGA", NULL, "ROMIX"},
866 
867 	{"LOUT PGA", NULL, "LOMIX"},
868 	{"ROUT PGA", NULL, "ROMIX"},
869 
870 	/* Output Pins */
871 	{"LON", NULL, "LONMIX"},
872 	{"LOP", NULL, "LOPMIX"},
873 	{"OUT3", NULL, "OUT3MIX"},
874 	{"LOUT", NULL, "LOUT PGA"},
875 	{"SPKN", NULL, "SPKMIX"},
876 	{"ROUT", NULL, "ROUT PGA"},
877 	{"OUT4", NULL, "OUT4MIX"},
878 	{"ROP", NULL, "ROPMIX"},
879 	{"RON", NULL, "RONMIX"},
880 };
881 
882 /* PLL divisors */
883 struct _pll_div {
884 	u32 div2;
885 	u32 n;
886 	u32 k;
887 };
888 
889 /* The size in bits of the pll divide multiplied by 10
890  * to allow rounding later */
891 #define FIXED_PLL_SIZE ((1 << 16) * 10)
892 
893 static void pll_factors(struct _pll_div *pll_div, unsigned int target,
894 	unsigned int source)
895 {
896 	u64 Kpart;
897 	unsigned int K, Ndiv, Nmod;
898 
899 
900 	Ndiv = target / source;
901 	if (Ndiv < 6) {
902 		source >>= 1;
903 		pll_div->div2 = 1;
904 		Ndiv = target / source;
905 	} else
906 		pll_div->div2 = 0;
907 
908 	if ((Ndiv < 6) || (Ndiv > 12))
909 		printk(KERN_WARNING
910 		"WM8990 N value outwith recommended range! N = %u\n", Ndiv);
911 
912 	pll_div->n = Ndiv;
913 	Nmod = target % source;
914 	Kpart = FIXED_PLL_SIZE * (long long)Nmod;
915 
916 	do_div(Kpart, source);
917 
918 	K = Kpart & 0xFFFFFFFF;
919 
920 	/* Check if we need to round */
921 	if ((K % 10) >= 5)
922 		K += 5;
923 
924 	/* Move down to proper range now rounding is done */
925 	K /= 10;
926 
927 	pll_div->k = K;
928 }
929 
930 static int wm8990_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
931 		int source, unsigned int freq_in, unsigned int freq_out)
932 {
933 	struct snd_soc_component *component = codec_dai->component;
934 	struct _pll_div pll_div;
935 
936 	if (freq_in && freq_out) {
937 		pll_factors(&pll_div, freq_out * 4, freq_in);
938 
939 		/* Turn on PLL */
940 		snd_soc_component_update_bits(component, WM8990_POWER_MANAGEMENT_2,
941 				    WM8990_PLL_ENA, WM8990_PLL_ENA);
942 
943 		/* sysclk comes from PLL */
944 		snd_soc_component_update_bits(component, WM8990_CLOCKING_2,
945 				    WM8990_SYSCLK_SRC, WM8990_SYSCLK_SRC);
946 
947 		/* set up N , fractional mode and pre-divisor if necessary */
948 		snd_soc_component_write(component, WM8990_PLL1, pll_div.n | WM8990_SDM |
949 			(pll_div.div2?WM8990_PRESCALE:0));
950 		snd_soc_component_write(component, WM8990_PLL2, (u8)(pll_div.k>>8));
951 		snd_soc_component_write(component, WM8990_PLL3, (u8)(pll_div.k & 0xFF));
952 	} else {
953 		/* Turn off PLL */
954 		snd_soc_component_update_bits(component, WM8990_POWER_MANAGEMENT_2,
955 				    WM8990_PLL_ENA, 0);
956 	}
957 	return 0;
958 }
959 
960 /*
961  * Clock after PLL and dividers
962  */
963 static int wm8990_set_dai_sysclk(struct snd_soc_dai *codec_dai,
964 		int clk_id, unsigned int freq, int dir)
965 {
966 	struct snd_soc_component *component = codec_dai->component;
967 	struct wm8990_priv *wm8990 = snd_soc_component_get_drvdata(component);
968 
969 	wm8990->sysclk = freq;
970 	return 0;
971 }
972 
973 /*
974  * Set's ADC and Voice DAC format.
975  */
976 static int wm8990_set_dai_fmt(struct snd_soc_dai *codec_dai,
977 		unsigned int fmt)
978 {
979 	struct snd_soc_component *component = codec_dai->component;
980 	u16 audio1, audio3;
981 
982 	audio1 = snd_soc_component_read32(component, WM8990_AUDIO_INTERFACE_1);
983 	audio3 = snd_soc_component_read32(component, WM8990_AUDIO_INTERFACE_3);
984 
985 	/* set master/slave audio interface */
986 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
987 	case SND_SOC_DAIFMT_CBS_CFS:
988 		audio3 &= ~WM8990_AIF_MSTR1;
989 		break;
990 	case SND_SOC_DAIFMT_CBM_CFM:
991 		audio3 |= WM8990_AIF_MSTR1;
992 		break;
993 	default:
994 		return -EINVAL;
995 	}
996 
997 	audio1 &= ~WM8990_AIF_FMT_MASK;
998 
999 	/* interface format */
1000 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1001 	case SND_SOC_DAIFMT_I2S:
1002 		audio1 |= WM8990_AIF_TMF_I2S;
1003 		audio1 &= ~WM8990_AIF_LRCLK_INV;
1004 		break;
1005 	case SND_SOC_DAIFMT_RIGHT_J:
1006 		audio1 |= WM8990_AIF_TMF_RIGHTJ;
1007 		audio1 &= ~WM8990_AIF_LRCLK_INV;
1008 		break;
1009 	case SND_SOC_DAIFMT_LEFT_J:
1010 		audio1 |= WM8990_AIF_TMF_LEFTJ;
1011 		audio1 &= ~WM8990_AIF_LRCLK_INV;
1012 		break;
1013 	case SND_SOC_DAIFMT_DSP_A:
1014 		audio1 |= WM8990_AIF_TMF_DSP;
1015 		audio1 &= ~WM8990_AIF_LRCLK_INV;
1016 		break;
1017 	case SND_SOC_DAIFMT_DSP_B:
1018 		audio1 |= WM8990_AIF_TMF_DSP | WM8990_AIF_LRCLK_INV;
1019 		break;
1020 	default:
1021 		return -EINVAL;
1022 	}
1023 
1024 	snd_soc_component_write(component, WM8990_AUDIO_INTERFACE_1, audio1);
1025 	snd_soc_component_write(component, WM8990_AUDIO_INTERFACE_3, audio3);
1026 	return 0;
1027 }
1028 
1029 static int wm8990_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1030 		int div_id, int div)
1031 {
1032 	struct snd_soc_component *component = codec_dai->component;
1033 
1034 	switch (div_id) {
1035 	case WM8990_MCLK_DIV:
1036 		snd_soc_component_update_bits(component, WM8990_CLOCKING_2,
1037 				    WM8990_MCLK_DIV_MASK, div);
1038 		break;
1039 	case WM8990_DACCLK_DIV:
1040 		snd_soc_component_update_bits(component, WM8990_CLOCKING_2,
1041 				    WM8990_DAC_CLKDIV_MASK, div);
1042 		break;
1043 	case WM8990_ADCCLK_DIV:
1044 		snd_soc_component_update_bits(component, WM8990_CLOCKING_2,
1045 				    WM8990_ADC_CLKDIV_MASK, div);
1046 		break;
1047 	case WM8990_BCLK_DIV:
1048 		snd_soc_component_update_bits(component, WM8990_CLOCKING_1,
1049 				    WM8990_BCLK_DIV_MASK, div);
1050 		break;
1051 	default:
1052 		return -EINVAL;
1053 	}
1054 
1055 	return 0;
1056 }
1057 
1058 /*
1059  * Set PCM DAI bit size and sample rate.
1060  */
1061 static int wm8990_hw_params(struct snd_pcm_substream *substream,
1062 			    struct snd_pcm_hw_params *params,
1063 			    struct snd_soc_dai *dai)
1064 {
1065 	struct snd_soc_component *component = dai->component;
1066 	u16 audio1 = snd_soc_component_read32(component, WM8990_AUDIO_INTERFACE_1);
1067 
1068 	audio1 &= ~WM8990_AIF_WL_MASK;
1069 	/* bit size */
1070 	switch (params_width(params)) {
1071 	case 16:
1072 		break;
1073 	case 20:
1074 		audio1 |= WM8990_AIF_WL_20BITS;
1075 		break;
1076 	case 24:
1077 		audio1 |= WM8990_AIF_WL_24BITS;
1078 		break;
1079 	case 32:
1080 		audio1 |= WM8990_AIF_WL_32BITS;
1081 		break;
1082 	}
1083 
1084 	snd_soc_component_write(component, WM8990_AUDIO_INTERFACE_1, audio1);
1085 	return 0;
1086 }
1087 
1088 static int wm8990_mute(struct snd_soc_dai *dai, int mute)
1089 {
1090 	struct snd_soc_component *component = dai->component;
1091 	u16 val;
1092 
1093 	val  = snd_soc_component_read32(component, WM8990_DAC_CTRL) & ~WM8990_DAC_MUTE;
1094 
1095 	if (mute)
1096 		snd_soc_component_write(component, WM8990_DAC_CTRL, val | WM8990_DAC_MUTE);
1097 	else
1098 		snd_soc_component_write(component, WM8990_DAC_CTRL, val);
1099 
1100 	return 0;
1101 }
1102 
1103 static int wm8990_set_bias_level(struct snd_soc_component *component,
1104 	enum snd_soc_bias_level level)
1105 {
1106 	struct wm8990_priv *wm8990 = snd_soc_component_get_drvdata(component);
1107 	int ret;
1108 
1109 	switch (level) {
1110 	case SND_SOC_BIAS_ON:
1111 		break;
1112 
1113 	case SND_SOC_BIAS_PREPARE:
1114 		/* VMID=2*50k */
1115 		snd_soc_component_update_bits(component, WM8990_POWER_MANAGEMENT_1,
1116 				    WM8990_VMID_MODE_MASK, 0x2);
1117 		break;
1118 
1119 	case SND_SOC_BIAS_STANDBY:
1120 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1121 			ret = regcache_sync(wm8990->regmap);
1122 			if (ret < 0) {
1123 				dev_err(component->dev, "Failed to sync cache: %d\n", ret);
1124 				return ret;
1125 			}
1126 
1127 			/* Enable all output discharge bits */
1128 			snd_soc_component_write(component, WM8990_ANTIPOP1, WM8990_DIS_LLINE |
1129 				WM8990_DIS_RLINE | WM8990_DIS_OUT3 |
1130 				WM8990_DIS_OUT4 | WM8990_DIS_LOUT |
1131 				WM8990_DIS_ROUT);
1132 
1133 			/* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
1134 			snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_SOFTST |
1135 				     WM8990_BUFDCOPEN | WM8990_POBCTRL |
1136 				     WM8990_VMIDTOG);
1137 
1138 			/* Delay to allow output caps to discharge */
1139 			msleep(300);
1140 
1141 			/* Disable VMIDTOG */
1142 			snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_SOFTST |
1143 				     WM8990_BUFDCOPEN | WM8990_POBCTRL);
1144 
1145 			/* disable all output discharge bits */
1146 			snd_soc_component_write(component, WM8990_ANTIPOP1, 0);
1147 
1148 			/* Enable outputs */
1149 			snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x1b00);
1150 
1151 			msleep(50);
1152 
1153 			/* Enable VMID at 2x50k */
1154 			snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x1f02);
1155 
1156 			msleep(100);
1157 
1158 			/* Enable VREF */
1159 			snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x1f03);
1160 
1161 			msleep(600);
1162 
1163 			/* Enable BUFIOEN */
1164 			snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_SOFTST |
1165 				     WM8990_BUFDCOPEN | WM8990_POBCTRL |
1166 				     WM8990_BUFIOEN);
1167 
1168 			/* Disable outputs */
1169 			snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x3);
1170 
1171 			/* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1172 			snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_BUFIOEN);
1173 
1174 			/* Enable workaround for ADC clocking issue. */
1175 			snd_soc_component_write(component, WM8990_EXT_ACCESS_ENA, 0x2);
1176 			snd_soc_component_write(component, WM8990_EXT_CTL1, 0xa003);
1177 			snd_soc_component_write(component, WM8990_EXT_ACCESS_ENA, 0);
1178 		}
1179 
1180 		/* VMID=2*250k */
1181 		snd_soc_component_update_bits(component, WM8990_POWER_MANAGEMENT_1,
1182 				    WM8990_VMID_MODE_MASK, 0x4);
1183 		break;
1184 
1185 	case SND_SOC_BIAS_OFF:
1186 		/* Enable POBCTRL and SOFT_ST */
1187 		snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_SOFTST |
1188 			WM8990_POBCTRL | WM8990_BUFIOEN);
1189 
1190 		/* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
1191 		snd_soc_component_write(component, WM8990_ANTIPOP2, WM8990_SOFTST |
1192 			WM8990_BUFDCOPEN | WM8990_POBCTRL |
1193 			WM8990_BUFIOEN);
1194 
1195 		/* mute DAC */
1196 		snd_soc_component_update_bits(component, WM8990_DAC_CTRL,
1197 				    WM8990_DAC_MUTE, WM8990_DAC_MUTE);
1198 
1199 		/* Enable any disabled outputs */
1200 		snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x1f03);
1201 
1202 		/* Disable VMID */
1203 		snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x1f01);
1204 
1205 		msleep(300);
1206 
1207 		/* Enable all output discharge bits */
1208 		snd_soc_component_write(component, WM8990_ANTIPOP1, WM8990_DIS_LLINE |
1209 			WM8990_DIS_RLINE | WM8990_DIS_OUT3 |
1210 			WM8990_DIS_OUT4 | WM8990_DIS_LOUT |
1211 			WM8990_DIS_ROUT);
1212 
1213 		/* Disable VREF */
1214 		snd_soc_component_write(component, WM8990_POWER_MANAGEMENT_1, 0x0);
1215 
1216 		/* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1217 		snd_soc_component_write(component, WM8990_ANTIPOP2, 0x0);
1218 
1219 		regcache_mark_dirty(wm8990->regmap);
1220 		break;
1221 	}
1222 
1223 	return 0;
1224 }
1225 
1226 #define WM8990_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
1227 	SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
1228 	SNDRV_PCM_RATE_48000)
1229 
1230 #define WM8990_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1231 	SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1232 
1233 /*
1234  * The WM8990 supports 2 different and mutually exclusive DAI
1235  * configurations.
1236  *
1237  * 1. ADC/DAC on Primary Interface
1238  * 2. ADC on Primary Interface/DAC on secondary
1239  */
1240 static const struct snd_soc_dai_ops wm8990_dai_ops = {
1241 	.hw_params	= wm8990_hw_params,
1242 	.digital_mute	= wm8990_mute,
1243 	.set_fmt	= wm8990_set_dai_fmt,
1244 	.set_clkdiv	= wm8990_set_dai_clkdiv,
1245 	.set_pll	= wm8990_set_dai_pll,
1246 	.set_sysclk	= wm8990_set_dai_sysclk,
1247 };
1248 
1249 static struct snd_soc_dai_driver wm8990_dai = {
1250 /* ADC/DAC on primary */
1251 	.name = "wm8990-hifi",
1252 	.playback = {
1253 		.stream_name = "Playback",
1254 		.channels_min = 1,
1255 		.channels_max = 2,
1256 		.rates = WM8990_RATES,
1257 		.formats = WM8990_FORMATS,},
1258 	.capture = {
1259 		.stream_name = "Capture",
1260 		.channels_min = 1,
1261 		.channels_max = 2,
1262 		.rates = WM8990_RATES,
1263 		.formats = WM8990_FORMATS,},
1264 	.ops = &wm8990_dai_ops,
1265 };
1266 
1267 /*
1268  * initialise the WM8990 driver
1269  * register the mixer and dsp interfaces with the kernel
1270  */
1271 static int wm8990_probe(struct snd_soc_component *component)
1272 {
1273 	wm8990_reset(component);
1274 
1275 	/* charge output caps */
1276 	snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY);
1277 
1278 	snd_soc_component_update_bits(component, WM8990_AUDIO_INTERFACE_4,
1279 			    WM8990_ALRCGPIO1, WM8990_ALRCGPIO1);
1280 
1281 	snd_soc_component_update_bits(component, WM8990_GPIO1_GPIO2,
1282 			    WM8990_GPIO1_SEL_MASK, 1);
1283 
1284 	snd_soc_component_update_bits(component, WM8990_POWER_MANAGEMENT_2,
1285 			    WM8990_OPCLK_ENA, WM8990_OPCLK_ENA);
1286 
1287 	snd_soc_component_write(component, WM8990_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
1288 	snd_soc_component_write(component, WM8990_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
1289 
1290 	return 0;
1291 }
1292 
1293 static const struct snd_soc_component_driver soc_component_dev_wm8990 = {
1294 	.probe			= wm8990_probe,
1295 	.set_bias_level		= wm8990_set_bias_level,
1296 	.controls		= wm8990_snd_controls,
1297 	.num_controls		= ARRAY_SIZE(wm8990_snd_controls),
1298 	.dapm_widgets		= wm8990_dapm_widgets,
1299 	.num_dapm_widgets	= ARRAY_SIZE(wm8990_dapm_widgets),
1300 	.dapm_routes		= wm8990_dapm_routes,
1301 	.num_dapm_routes	= ARRAY_SIZE(wm8990_dapm_routes),
1302 	.suspend_bias_off	= 1,
1303 	.idle_bias_on		= 1,
1304 	.use_pmdown_time	= 1,
1305 	.endianness		= 1,
1306 	.non_legacy_dai_naming	= 1,
1307 };
1308 
1309 static const struct regmap_config wm8990_regmap = {
1310 	.reg_bits = 8,
1311 	.val_bits = 16,
1312 
1313 	.max_register = WM8990_PLL3,
1314 	.volatile_reg = wm8990_volatile_register,
1315 	.reg_defaults = wm8990_reg_defaults,
1316 	.num_reg_defaults = ARRAY_SIZE(wm8990_reg_defaults),
1317 	.cache_type = REGCACHE_RBTREE,
1318 };
1319 
1320 static int wm8990_i2c_probe(struct i2c_client *i2c,
1321 			    const struct i2c_device_id *id)
1322 {
1323 	struct wm8990_priv *wm8990;
1324 	int ret;
1325 
1326 	wm8990 = devm_kzalloc(&i2c->dev, sizeof(struct wm8990_priv),
1327 			      GFP_KERNEL);
1328 	if (wm8990 == NULL)
1329 		return -ENOMEM;
1330 
1331 	i2c_set_clientdata(i2c, wm8990);
1332 
1333 	ret = devm_snd_soc_register_component(&i2c->dev,
1334 			&soc_component_dev_wm8990, &wm8990_dai, 1);
1335 
1336 	return ret;
1337 }
1338 
1339 static const struct i2c_device_id wm8990_i2c_id[] = {
1340 	{ "wm8990", 0 },
1341 	{ }
1342 };
1343 MODULE_DEVICE_TABLE(i2c, wm8990_i2c_id);
1344 
1345 static struct i2c_driver wm8990_i2c_driver = {
1346 	.driver = {
1347 		.name = "wm8990",
1348 	},
1349 	.probe =    wm8990_i2c_probe,
1350 	.id_table = wm8990_i2c_id,
1351 };
1352 
1353 module_i2c_driver(wm8990_i2c_driver);
1354 
1355 MODULE_DESCRIPTION("ASoC WM8990 driver");
1356 MODULE_AUTHOR("Liam Girdwood");
1357 MODULE_LICENSE("GPL");
1358