xref: /openbmc/linux/sound/soc/codecs/wm8990.c (revision fd589a8f)
1 /*
2  * wm8990.c  --  WM8990 ALSA Soc Audio driver
3  *
4  * Copyright 2008 Wolfson Microelectronics PLC.
5  * Author: Liam Girdwood <lrg@slimlogic.co.uk>
6  *
7  *  This program is free software; you can redistribute  it and/or modify it
8  *  under  the terms of  the GNU General  Public License as published by the
9  *  Free Software Foundation;  either version 2 of the  License, or (at your
10  *  option) any later version.
11  */
12 
13 #include <linux/module.h>
14 #include <linux/moduleparam.h>
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/delay.h>
18 #include <linux/pm.h>
19 #include <linux/i2c.h>
20 #include <linux/platform_device.h>
21 #include <sound/core.h>
22 #include <sound/pcm.h>
23 #include <sound/pcm_params.h>
24 #include <sound/soc.h>
25 #include <sound/soc-dapm.h>
26 #include <sound/initval.h>
27 #include <sound/tlv.h>
28 #include <asm/div64.h>
29 
30 #include "wm8990.h"
31 
32 #define WM8990_VERSION "0.2"
33 
34 /* codec private data */
35 struct wm8990_priv {
36 	unsigned int sysclk;
37 	unsigned int pcmclk;
38 };
39 
40 /*
41  * wm8990 register cache.  Note that register 0 is not included in the
42  * cache.
43  */
44 static const u16 wm8990_reg[] = {
45 	0x8990,     /* R0  - Reset */
46 	0x0000,     /* R1  - Power Management (1) */
47 	0x6000,     /* R2  - Power Management (2) */
48 	0x0000,     /* R3  - Power Management (3) */
49 	0x4050,     /* R4  - Audio Interface (1) */
50 	0x4000,     /* R5  - Audio Interface (2) */
51 	0x01C8,     /* R6  - Clocking (1) */
52 	0x0000,     /* R7  - Clocking (2) */
53 	0x0040,     /* R8  - Audio Interface (3) */
54 	0x0040,     /* R9  - Audio Interface (4) */
55 	0x0004,     /* R10 - DAC CTRL */
56 	0x00C0,     /* R11 - Left DAC Digital Volume */
57 	0x00C0,     /* R12 - Right DAC Digital Volume */
58 	0x0000,     /* R13 - Digital Side Tone */
59 	0x0100,     /* R14 - ADC CTRL */
60 	0x00C0,     /* R15 - Left ADC Digital Volume */
61 	0x00C0,     /* R16 - Right ADC Digital Volume */
62 	0x0000,     /* R17 */
63 	0x0000,     /* R18 - GPIO CTRL 1 */
64 	0x1000,     /* R19 - GPIO1 & GPIO2 */
65 	0x1010,     /* R20 - GPIO3 & GPIO4 */
66 	0x1010,     /* R21 - GPIO5 & GPIO6 */
67 	0x8000,     /* R22 - GPIOCTRL 2 */
68 	0x0800,     /* R23 - GPIO_POL */
69 	0x008B,     /* R24 - Left Line Input 1&2 Volume */
70 	0x008B,     /* R25 - Left Line Input 3&4 Volume */
71 	0x008B,     /* R26 - Right Line Input 1&2 Volume */
72 	0x008B,     /* R27 - Right Line Input 3&4 Volume */
73 	0x0000,     /* R28 - Left Output Volume */
74 	0x0000,     /* R29 - Right Output Volume */
75 	0x0066,     /* R30 - Line Outputs Volume */
76 	0x0022,     /* R31 - Out3/4 Volume */
77 	0x0079,     /* R32 - Left OPGA Volume */
78 	0x0079,     /* R33 - Right OPGA Volume */
79 	0x0003,     /* R34 - Speaker Volume */
80 	0x0003,     /* R35 - ClassD1 */
81 	0x0000,     /* R36 */
82 	0x0100,     /* R37 - ClassD3 */
83 	0x0079,     /* R38 - ClassD4 */
84 	0x0000,     /* R39 - Input Mixer1 */
85 	0x0000,     /* R40 - Input Mixer2 */
86 	0x0000,     /* R41 - Input Mixer3 */
87 	0x0000,     /* R42 - Input Mixer4 */
88 	0x0000,     /* R43 - Input Mixer5 */
89 	0x0000,     /* R44 - Input Mixer6 */
90 	0x0000,     /* R45 - Output Mixer1 */
91 	0x0000,     /* R46 - Output Mixer2 */
92 	0x0000,     /* R47 - Output Mixer3 */
93 	0x0000,     /* R48 - Output Mixer4 */
94 	0x0000,     /* R49 - Output Mixer5 */
95 	0x0000,     /* R50 - Output Mixer6 */
96 	0x0180,     /* R51 - Out3/4 Mixer */
97 	0x0000,     /* R52 - Line Mixer1 */
98 	0x0000,     /* R53 - Line Mixer2 */
99 	0x0000,     /* R54 - Speaker Mixer */
100 	0x0000,     /* R55 - Additional Control */
101 	0x0000,     /* R56 - AntiPOP1 */
102 	0x0000,     /* R57 - AntiPOP2 */
103 	0x0000,     /* R58 - MICBIAS */
104 	0x0000,     /* R59 */
105 	0x0008,     /* R60 - PLL1 */
106 	0x0031,     /* R61 - PLL2 */
107 	0x0026,     /* R62 - PLL3 */
108 	0x0000,	    /* R63 - Driver internal */
109 };
110 
111 #define wm8990_reset(c) snd_soc_write(c, WM8990_RESET, 0)
112 
113 static const DECLARE_TLV_DB_LINEAR(rec_mix_tlv, -1500, 600);
114 
115 static const DECLARE_TLV_DB_LINEAR(in_pga_tlv, -1650, 3000);
116 
117 static const DECLARE_TLV_DB_LINEAR(out_mix_tlv, 0, -2100);
118 
119 static const DECLARE_TLV_DB_LINEAR(out_pga_tlv, -7300, 600);
120 
121 static const DECLARE_TLV_DB_LINEAR(out_omix_tlv, -600, 0);
122 
123 static const DECLARE_TLV_DB_LINEAR(out_dac_tlv, -7163, 0);
124 
125 static const DECLARE_TLV_DB_LINEAR(in_adc_tlv, -7163, 1763);
126 
127 static const DECLARE_TLV_DB_LINEAR(out_sidetone_tlv, -3600, 0);
128 
129 static int wm899x_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
130 	struct snd_ctl_elem_value *ucontrol)
131 {
132 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
133 	struct soc_mixer_control *mc =
134 		(struct soc_mixer_control *)kcontrol->private_value;
135 	int reg = mc->reg;
136 	int ret;
137 	u16 val;
138 
139 	ret = snd_soc_put_volsw(kcontrol, ucontrol);
140 	if (ret < 0)
141 		return ret;
142 
143 	/* now hit the volume update bits (always bit 8) */
144 	val = snd_soc_read(codec, reg);
145 	return snd_soc_write(codec, reg, val | 0x0100);
146 }
147 
148 #define SOC_WM899X_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert,\
149 	 tlv_array) {\
150 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
151 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
152 		  SNDRV_CTL_ELEM_ACCESS_READWRITE,\
153 	.tlv.p = (tlv_array), \
154 	.info = snd_soc_info_volsw, \
155 	.get = snd_soc_get_volsw, .put = wm899x_outpga_put_volsw_vu, \
156 	.private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
157 
158 
159 static const char *wm8990_digital_sidetone[] =
160 	{"None", "Left ADC", "Right ADC", "Reserved"};
161 
162 static const struct soc_enum wm8990_left_digital_sidetone_enum =
163 SOC_ENUM_SINGLE(WM8990_DIGITAL_SIDE_TONE,
164 	WM8990_ADC_TO_DACL_SHIFT,
165 	WM8990_ADC_TO_DACL_MASK,
166 	wm8990_digital_sidetone);
167 
168 static const struct soc_enum wm8990_right_digital_sidetone_enum =
169 SOC_ENUM_SINGLE(WM8990_DIGITAL_SIDE_TONE,
170 	WM8990_ADC_TO_DACR_SHIFT,
171 	WM8990_ADC_TO_DACR_MASK,
172 	wm8990_digital_sidetone);
173 
174 static const char *wm8990_adcmode[] =
175 	{"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
176 
177 static const struct soc_enum wm8990_right_adcmode_enum =
178 SOC_ENUM_SINGLE(WM8990_ADC_CTRL,
179 	WM8990_ADC_HPF_CUT_SHIFT,
180 	WM8990_ADC_HPF_CUT_MASK,
181 	wm8990_adcmode);
182 
183 static const struct snd_kcontrol_new wm8990_snd_controls[] = {
184 /* INMIXL */
185 SOC_SINGLE("LIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L12MNBST_BIT, 1, 0),
186 SOC_SINGLE("LIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_L34MNBST_BIT, 1, 0),
187 /* INMIXR */
188 SOC_SINGLE("RIN12 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R12MNBST_BIT, 1, 0),
189 SOC_SINGLE("RIN34 PGA Boost", WM8990_INPUT_MIXER3, WM8990_R34MNBST_BIT, 1, 0),
190 
191 /* LOMIX */
192 SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER3,
193 	WM8990_LLI3LOVOL_SHIFT, WM8990_LLI3LOVOL_MASK, 1, out_mix_tlv),
194 SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3,
195 	WM8990_LR12LOVOL_SHIFT, WM8990_LR12LOVOL_MASK, 1, out_mix_tlv),
196 SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER3,
197 	WM8990_LL12LOVOL_SHIFT, WM8990_LL12LOVOL_MASK, 1, out_mix_tlv),
198 SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER5,
199 	WM8990_LRI3LOVOL_SHIFT, WM8990_LRI3LOVOL_MASK, 1, out_mix_tlv),
200 SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER5,
201 	WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv),
202 SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER5,
203 	WM8990_LRBLOVOL_SHIFT, WM8990_LRBLOVOL_MASK, 1, out_mix_tlv),
204 
205 /* ROMIX */
206 SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8990_OUTPUT_MIXER4,
207 	WM8990_RRI3ROVOL_SHIFT, WM8990_RRI3ROVOL_MASK, 1, out_mix_tlv),
208 SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4,
209 	WM8990_RL12ROVOL_SHIFT, WM8990_RL12ROVOL_MASK, 1, out_mix_tlv),
210 SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8990_OUTPUT_MIXER4,
211 	WM8990_RR12ROVOL_SHIFT, WM8990_RR12ROVOL_MASK, 1, out_mix_tlv),
212 SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8990_OUTPUT_MIXER6,
213 	WM8990_RLI3ROVOL_SHIFT, WM8990_RLI3ROVOL_MASK, 1, out_mix_tlv),
214 SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8990_OUTPUT_MIXER6,
215 	WM8990_RLBROVOL_SHIFT, WM8990_RLBROVOL_MASK, 1, out_mix_tlv),
216 SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8990_OUTPUT_MIXER6,
217 	WM8990_RRBROVOL_SHIFT, WM8990_RRBROVOL_MASK, 1, out_mix_tlv),
218 
219 /* LOUT */
220 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8990_LEFT_OUTPUT_VOLUME,
221 	WM8990_LOUTVOL_SHIFT, WM8990_LOUTVOL_MASK, 0, out_pga_tlv),
222 SOC_SINGLE("LOUT ZC", WM8990_LEFT_OUTPUT_VOLUME, WM8990_LOZC_BIT, 1, 0),
223 
224 /* ROUT */
225 SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8990_RIGHT_OUTPUT_VOLUME,
226 	WM8990_ROUTVOL_SHIFT, WM8990_ROUTVOL_MASK, 0, out_pga_tlv),
227 SOC_SINGLE("ROUT ZC", WM8990_RIGHT_OUTPUT_VOLUME, WM8990_ROZC_BIT, 1, 0),
228 
229 /* LOPGA */
230 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8990_LEFT_OPGA_VOLUME,
231 	WM8990_LOPGAVOL_SHIFT, WM8990_LOPGAVOL_MASK, 0, out_pga_tlv),
232 SOC_SINGLE("LOPGA ZC Switch", WM8990_LEFT_OPGA_VOLUME,
233 	WM8990_LOPGAZC_BIT, 1, 0),
234 
235 /* ROPGA */
236 SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8990_RIGHT_OPGA_VOLUME,
237 	WM8990_ROPGAVOL_SHIFT, WM8990_ROPGAVOL_MASK, 0, out_pga_tlv),
238 SOC_SINGLE("ROPGA ZC Switch", WM8990_RIGHT_OPGA_VOLUME,
239 	WM8990_ROPGAZC_BIT, 1, 0),
240 
241 SOC_SINGLE("LON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
242 	WM8990_LONMUTE_BIT, 1, 0),
243 SOC_SINGLE("LOP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
244 	WM8990_LOPMUTE_BIT, 1, 0),
245 SOC_SINGLE("LOP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME,
246 	WM8990_LOATTN_BIT, 1, 0),
247 SOC_SINGLE("RON Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
248 	WM8990_RONMUTE_BIT, 1, 0),
249 SOC_SINGLE("ROP Mute Switch", WM8990_LINE_OUTPUTS_VOLUME,
250 	WM8990_ROPMUTE_BIT, 1, 0),
251 SOC_SINGLE("ROP Attenuation Switch", WM8990_LINE_OUTPUTS_VOLUME,
252 	WM8990_ROATTN_BIT, 1, 0),
253 
254 SOC_SINGLE("OUT3 Mute Switch", WM8990_OUT3_4_VOLUME,
255 	WM8990_OUT3MUTE_BIT, 1, 0),
256 SOC_SINGLE("OUT3 Attenuation Switch", WM8990_OUT3_4_VOLUME,
257 	WM8990_OUT3ATTN_BIT, 1, 0),
258 
259 SOC_SINGLE("OUT4 Mute Switch", WM8990_OUT3_4_VOLUME,
260 	WM8990_OUT4MUTE_BIT, 1, 0),
261 SOC_SINGLE("OUT4 Attenuation Switch", WM8990_OUT3_4_VOLUME,
262 	WM8990_OUT4ATTN_BIT, 1, 0),
263 
264 SOC_SINGLE("Speaker Mode Switch", WM8990_CLASSD1,
265 	WM8990_CDMODE_BIT, 1, 0),
266 
267 SOC_SINGLE("Speaker Output Attenuation Volume", WM8990_SPEAKER_VOLUME,
268 	WM8990_SPKATTN_SHIFT, WM8990_SPKATTN_MASK, 0),
269 SOC_SINGLE("Speaker DC Boost Volume", WM8990_CLASSD3,
270 	WM8990_DCGAIN_SHIFT, WM8990_DCGAIN_MASK, 0),
271 SOC_SINGLE("Speaker AC Boost Volume", WM8990_CLASSD3,
272 	WM8990_ACGAIN_SHIFT, WM8990_ACGAIN_MASK, 0),
273 SOC_SINGLE_TLV("Speaker Volume", WM8990_CLASSD4,
274 	WM8990_SPKVOL_SHIFT, WM8990_SPKVOL_MASK, 0, out_pga_tlv),
275 SOC_SINGLE("Speaker ZC Switch", WM8990_CLASSD4,
276 	WM8990_SPKZC_SHIFT, WM8990_SPKZC_MASK, 0),
277 
278 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
279 	WM8990_LEFT_DAC_DIGITAL_VOLUME,
280 	WM8990_DACL_VOL_SHIFT,
281 	WM8990_DACL_VOL_MASK,
282 	0,
283 	out_dac_tlv),
284 
285 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
286 	WM8990_RIGHT_DAC_DIGITAL_VOLUME,
287 	WM8990_DACR_VOL_SHIFT,
288 	WM8990_DACR_VOL_MASK,
289 	0,
290 	out_dac_tlv),
291 
292 SOC_ENUM("Left Digital Sidetone", wm8990_left_digital_sidetone_enum),
293 SOC_ENUM("Right Digital Sidetone", wm8990_right_digital_sidetone_enum),
294 
295 SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
296 	WM8990_ADCL_DAC_SVOL_SHIFT, WM8990_ADCL_DAC_SVOL_MASK, 0,
297 	out_sidetone_tlv),
298 SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8990_DIGITAL_SIDE_TONE,
299 	WM8990_ADCR_DAC_SVOL_SHIFT, WM8990_ADCR_DAC_SVOL_MASK, 0,
300 	out_sidetone_tlv),
301 
302 SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8990_ADC_CTRL,
303 	WM8990_ADC_HPF_ENA_BIT, 1, 0),
304 
305 SOC_ENUM("ADC HPF Mode", wm8990_right_adcmode_enum),
306 
307 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
308 	WM8990_LEFT_ADC_DIGITAL_VOLUME,
309 	WM8990_ADCL_VOL_SHIFT,
310 	WM8990_ADCL_VOL_MASK,
311 	0,
312 	in_adc_tlv),
313 
314 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
315 	WM8990_RIGHT_ADC_DIGITAL_VOLUME,
316 	WM8990_ADCR_VOL_SHIFT,
317 	WM8990_ADCR_VOL_MASK,
318 	0,
319 	in_adc_tlv),
320 
321 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
322 	WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
323 	WM8990_LIN12VOL_SHIFT,
324 	WM8990_LIN12VOL_MASK,
325 	0,
326 	in_pga_tlv),
327 
328 SOC_SINGLE("LIN12 ZC Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
329 	WM8990_LI12ZC_BIT, 1, 0),
330 
331 SOC_SINGLE("LIN12 Mute Switch", WM8990_LEFT_LINE_INPUT_1_2_VOLUME,
332 	WM8990_LI12MUTE_BIT, 1, 0),
333 
334 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
335 	WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
336 	WM8990_LIN34VOL_SHIFT,
337 	WM8990_LIN34VOL_MASK,
338 	0,
339 	in_pga_tlv),
340 
341 SOC_SINGLE("LIN34 ZC Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
342 	WM8990_LI34ZC_BIT, 1, 0),
343 
344 SOC_SINGLE("LIN34 Mute Switch", WM8990_LEFT_LINE_INPUT_3_4_VOLUME,
345 	WM8990_LI34MUTE_BIT, 1, 0),
346 
347 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
348 	WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
349 	WM8990_RIN12VOL_SHIFT,
350 	WM8990_RIN12VOL_MASK,
351 	0,
352 	in_pga_tlv),
353 
354 SOC_SINGLE("RIN12 ZC Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
355 	WM8990_RI12ZC_BIT, 1, 0),
356 
357 SOC_SINGLE("RIN12 Mute Switch", WM8990_RIGHT_LINE_INPUT_1_2_VOLUME,
358 	WM8990_RI12MUTE_BIT, 1, 0),
359 
360 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
361 	WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
362 	WM8990_RIN34VOL_SHIFT,
363 	WM8990_RIN34VOL_MASK,
364 	0,
365 	in_pga_tlv),
366 
367 SOC_SINGLE("RIN34 ZC Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
368 	WM8990_RI34ZC_BIT, 1, 0),
369 
370 SOC_SINGLE("RIN34 Mute Switch", WM8990_RIGHT_LINE_INPUT_3_4_VOLUME,
371 	WM8990_RI34MUTE_BIT, 1, 0),
372 
373 };
374 
375 /*
376  * _DAPM_ Controls
377  */
378 
379 static int inmixer_event(struct snd_soc_dapm_widget *w,
380 	struct snd_kcontrol *kcontrol, int event)
381 {
382 	u16 reg, fakepower;
383 
384 	reg = snd_soc_read(w->codec, WM8990_POWER_MANAGEMENT_2);
385 	fakepower = snd_soc_read(w->codec, WM8990_INTDRIVBITS);
386 
387 	if (fakepower & ((1 << WM8990_INMIXL_PWR_BIT) |
388 		(1 << WM8990_AINLMUX_PWR_BIT))) {
389 		reg |= WM8990_AINL_ENA;
390 	} else {
391 		reg &= ~WM8990_AINL_ENA;
392 	}
393 
394 	if (fakepower & ((1 << WM8990_INMIXR_PWR_BIT) |
395 		(1 << WM8990_AINRMUX_PWR_BIT))) {
396 		reg |= WM8990_AINR_ENA;
397 	} else {
398 		reg &= ~WM8990_AINL_ENA;
399 	}
400 	snd_soc_write(w->codec, WM8990_POWER_MANAGEMENT_2, reg);
401 
402 	return 0;
403 }
404 
405 static int outmixer_event(struct snd_soc_dapm_widget *w,
406 	struct snd_kcontrol *kcontrol, int event)
407 {
408 	u32 reg_shift = kcontrol->private_value & 0xfff;
409 	int ret = 0;
410 	u16 reg;
411 
412 	switch (reg_shift) {
413 	case WM8990_SPEAKER_MIXER | (WM8990_LDSPK_BIT << 8) :
414 		reg = snd_soc_read(w->codec, WM8990_OUTPUT_MIXER1);
415 		if (reg & WM8990_LDLO) {
416 			printk(KERN_WARNING
417 			"Cannot set as Output Mixer 1 LDLO Set\n");
418 			ret = -1;
419 		}
420 		break;
421 	case WM8990_SPEAKER_MIXER | (WM8990_RDSPK_BIT << 8):
422 		reg = snd_soc_read(w->codec, WM8990_OUTPUT_MIXER2);
423 		if (reg & WM8990_RDRO) {
424 			printk(KERN_WARNING
425 			"Cannot set as Output Mixer 2 RDRO Set\n");
426 			ret = -1;
427 		}
428 		break;
429 	case WM8990_OUTPUT_MIXER1 | (WM8990_LDLO_BIT << 8):
430 		reg = snd_soc_read(w->codec, WM8990_SPEAKER_MIXER);
431 		if (reg & WM8990_LDSPK) {
432 			printk(KERN_WARNING
433 			"Cannot set as Speaker Mixer LDSPK Set\n");
434 			ret = -1;
435 		}
436 		break;
437 	case WM8990_OUTPUT_MIXER2 | (WM8990_RDRO_BIT << 8):
438 		reg = snd_soc_read(w->codec, WM8990_SPEAKER_MIXER);
439 		if (reg & WM8990_RDSPK) {
440 			printk(KERN_WARNING
441 			"Cannot set as Speaker Mixer RDSPK Set\n");
442 			ret = -1;
443 		}
444 		break;
445 	}
446 
447 	return ret;
448 }
449 
450 /* INMIX dB values */
451 static const unsigned int in_mix_tlv[] = {
452 	TLV_DB_RANGE_HEAD(1),
453 	0, 7, TLV_DB_LINEAR_ITEM(-1200, 600),
454 };
455 
456 /* Left In PGA Connections */
457 static const struct snd_kcontrol_new wm8990_dapm_lin12_pga_controls[] = {
458 SOC_DAPM_SINGLE("LIN1 Switch", WM8990_INPUT_MIXER2, WM8990_LMN1_BIT, 1, 0),
459 SOC_DAPM_SINGLE("LIN2 Switch", WM8990_INPUT_MIXER2, WM8990_LMP2_BIT, 1, 0),
460 };
461 
462 static const struct snd_kcontrol_new wm8990_dapm_lin34_pga_controls[] = {
463 SOC_DAPM_SINGLE("LIN3 Switch", WM8990_INPUT_MIXER2, WM8990_LMN3_BIT, 1, 0),
464 SOC_DAPM_SINGLE("LIN4 Switch", WM8990_INPUT_MIXER2, WM8990_LMP4_BIT, 1, 0),
465 };
466 
467 /* Right In PGA Connections */
468 static const struct snd_kcontrol_new wm8990_dapm_rin12_pga_controls[] = {
469 SOC_DAPM_SINGLE("RIN1 Switch", WM8990_INPUT_MIXER2, WM8990_RMN1_BIT, 1, 0),
470 SOC_DAPM_SINGLE("RIN2 Switch", WM8990_INPUT_MIXER2, WM8990_RMP2_BIT, 1, 0),
471 };
472 
473 static const struct snd_kcontrol_new wm8990_dapm_rin34_pga_controls[] = {
474 SOC_DAPM_SINGLE("RIN3 Switch", WM8990_INPUT_MIXER2, WM8990_RMN3_BIT, 1, 0),
475 SOC_DAPM_SINGLE("RIN4 Switch", WM8990_INPUT_MIXER2, WM8990_RMP4_BIT, 1, 0),
476 };
477 
478 /* INMIXL */
479 static const struct snd_kcontrol_new wm8990_dapm_inmixl_controls[] = {
480 SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8990_INPUT_MIXER3,
481 	WM8990_LDBVOL_SHIFT, WM8990_LDBVOL_MASK, 0, in_mix_tlv),
482 SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8990_INPUT_MIXER5, WM8990_LI2BVOL_SHIFT,
483 	7, 0, in_mix_tlv),
484 SOC_DAPM_SINGLE("LINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
485 	1, 0),
486 SOC_DAPM_SINGLE("LINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
487 	1, 0),
488 };
489 
490 /* INMIXR */
491 static const struct snd_kcontrol_new wm8990_dapm_inmixr_controls[] = {
492 SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8990_INPUT_MIXER4,
493 	WM8990_RDBVOL_SHIFT, WM8990_RDBVOL_MASK, 0, in_mix_tlv),
494 SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8990_INPUT_MIXER6, WM8990_RI2BVOL_SHIFT,
495 	7, 0, in_mix_tlv),
496 SOC_DAPM_SINGLE("RINPGA12 Switch", WM8990_INPUT_MIXER3, WM8990_L12MNB_BIT,
497 	1, 0),
498 SOC_DAPM_SINGLE("RINPGA34 Switch", WM8990_INPUT_MIXER3, WM8990_L34MNB_BIT,
499 	1, 0),
500 };
501 
502 /* AINLMUX */
503 static const char *wm8990_ainlmux[] =
504 	{"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
505 
506 static const struct soc_enum wm8990_ainlmux_enum =
507 SOC_ENUM_SINGLE(WM8990_INPUT_MIXER1, WM8990_AINLMODE_SHIFT,
508 	ARRAY_SIZE(wm8990_ainlmux), wm8990_ainlmux);
509 
510 static const struct snd_kcontrol_new wm8990_dapm_ainlmux_controls =
511 SOC_DAPM_ENUM("Route", wm8990_ainlmux_enum);
512 
513 /* DIFFINL */
514 
515 /* AINRMUX */
516 static const char *wm8990_ainrmux[] =
517 	{"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
518 
519 static const struct soc_enum wm8990_ainrmux_enum =
520 SOC_ENUM_SINGLE(WM8990_INPUT_MIXER1, WM8990_AINRMODE_SHIFT,
521 	ARRAY_SIZE(wm8990_ainrmux), wm8990_ainrmux);
522 
523 static const struct snd_kcontrol_new wm8990_dapm_ainrmux_controls =
524 SOC_DAPM_ENUM("Route", wm8990_ainrmux_enum);
525 
526 /* RXVOICE */
527 static const struct snd_kcontrol_new wm8990_dapm_rxvoice_controls[] = {
528 SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8990_INPUT_MIXER5, WM8990_LR4BVOL_SHIFT,
529 			WM8990_LR4BVOL_MASK, 0, in_mix_tlv),
530 SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8990_INPUT_MIXER6, WM8990_RL4BVOL_SHIFT,
531 			WM8990_RL4BVOL_MASK, 0, in_mix_tlv),
532 };
533 
534 /* LOMIX */
535 static const struct snd_kcontrol_new wm8990_dapm_lomix_controls[] = {
536 SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
537 	WM8990_LRBLO_BIT, 1, 0),
538 SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER1,
539 	WM8990_LLBLO_BIT, 1, 0),
540 SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
541 	WM8990_LRI3LO_BIT, 1, 0),
542 SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER1,
543 	WM8990_LLI3LO_BIT, 1, 0),
544 SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
545 	WM8990_LR12LO_BIT, 1, 0),
546 SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER1,
547 	WM8990_LL12LO_BIT, 1, 0),
548 SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8990_OUTPUT_MIXER1,
549 	WM8990_LDLO_BIT, 1, 0),
550 };
551 
552 /* ROMIX */
553 static const struct snd_kcontrol_new wm8990_dapm_romix_controls[] = {
554 SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
555 	WM8990_RLBRO_BIT, 1, 0),
556 SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8990_OUTPUT_MIXER2,
557 	WM8990_RRBRO_BIT, 1, 0),
558 SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
559 	WM8990_RLI3RO_BIT, 1, 0),
560 SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8990_OUTPUT_MIXER2,
561 	WM8990_RRI3RO_BIT, 1, 0),
562 SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
563 	WM8990_RL12RO_BIT, 1, 0),
564 SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8990_OUTPUT_MIXER2,
565 	WM8990_RR12RO_BIT, 1, 0),
566 SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8990_OUTPUT_MIXER2,
567 	WM8990_RDRO_BIT, 1, 0),
568 };
569 
570 /* LONMIX */
571 static const struct snd_kcontrol_new wm8990_dapm_lonmix_controls[] = {
572 SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
573 	WM8990_LLOPGALON_BIT, 1, 0),
574 SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER1,
575 	WM8990_LROPGALON_BIT, 1, 0),
576 SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8990_LINE_MIXER1,
577 	WM8990_LOPLON_BIT, 1, 0),
578 };
579 
580 /* LOPMIX */
581 static const struct snd_kcontrol_new wm8990_dapm_lopmix_controls[] = {
582 SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER1,
583 	WM8990_LR12LOP_BIT, 1, 0),
584 SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER1,
585 	WM8990_LL12LOP_BIT, 1, 0),
586 SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8990_LINE_MIXER1,
587 	WM8990_LLOPGALOP_BIT, 1, 0),
588 };
589 
590 /* RONMIX */
591 static const struct snd_kcontrol_new wm8990_dapm_ronmix_controls[] = {
592 SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
593 	WM8990_RROPGARON_BIT, 1, 0),
594 SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8990_LINE_MIXER2,
595 	WM8990_RLOPGARON_BIT, 1, 0),
596 SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8990_LINE_MIXER2,
597 	WM8990_ROPRON_BIT, 1, 0),
598 };
599 
600 /* ROPMIX */
601 static const struct snd_kcontrol_new wm8990_dapm_ropmix_controls[] = {
602 SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8990_LINE_MIXER2,
603 	WM8990_RL12ROP_BIT, 1, 0),
604 SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8990_LINE_MIXER2,
605 	WM8990_RR12ROP_BIT, 1, 0),
606 SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8990_LINE_MIXER2,
607 	WM8990_RROPGAROP_BIT, 1, 0),
608 };
609 
610 /* OUT3MIX */
611 static const struct snd_kcontrol_new wm8990_dapm_out3mix_controls[] = {
612 SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
613 	WM8990_LI4O3_BIT, 1, 0),
614 SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8990_OUT3_4_MIXER,
615 	WM8990_LPGAO3_BIT, 1, 0),
616 };
617 
618 /* OUT4MIX */
619 static const struct snd_kcontrol_new wm8990_dapm_out4mix_controls[] = {
620 SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8990_OUT3_4_MIXER,
621 	WM8990_RPGAO4_BIT, 1, 0),
622 SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8990_OUT3_4_MIXER,
623 	WM8990_RI4O4_BIT, 1, 0),
624 };
625 
626 /* SPKMIX */
627 static const struct snd_kcontrol_new wm8990_dapm_spkmix_controls[] = {
628 SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
629 	WM8990_LI2SPK_BIT, 1, 0),
630 SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8990_SPEAKER_MIXER,
631 	WM8990_LB2SPK_BIT, 1, 0),
632 SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8990_SPEAKER_MIXER,
633 	WM8990_LOPGASPK_BIT, 1, 0),
634 SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8990_SPEAKER_MIXER,
635 	WM8990_LDSPK_BIT, 1, 0),
636 SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8990_SPEAKER_MIXER,
637 	WM8990_RDSPK_BIT, 1, 0),
638 SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8990_SPEAKER_MIXER,
639 	WM8990_ROPGASPK_BIT, 1, 0),
640 SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8990_SPEAKER_MIXER,
641 	WM8990_RL12ROP_BIT, 1, 0),
642 SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8990_SPEAKER_MIXER,
643 	WM8990_RI2SPK_BIT, 1, 0),
644 };
645 
646 static const struct snd_soc_dapm_widget wm8990_dapm_widgets[] = {
647 /* Input Side */
648 /* Input Lines */
649 SND_SOC_DAPM_INPUT("LIN1"),
650 SND_SOC_DAPM_INPUT("LIN2"),
651 SND_SOC_DAPM_INPUT("LIN3"),
652 SND_SOC_DAPM_INPUT("LIN4/RXN"),
653 SND_SOC_DAPM_INPUT("RIN3"),
654 SND_SOC_DAPM_INPUT("RIN4/RXP"),
655 SND_SOC_DAPM_INPUT("RIN1"),
656 SND_SOC_DAPM_INPUT("RIN2"),
657 SND_SOC_DAPM_INPUT("Internal ADC Source"),
658 
659 /* DACs */
660 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8990_POWER_MANAGEMENT_2,
661 	WM8990_ADCL_ENA_BIT, 0),
662 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8990_POWER_MANAGEMENT_2,
663 	WM8990_ADCR_ENA_BIT, 0),
664 
665 /* Input PGAs */
666 SND_SOC_DAPM_MIXER("LIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN12_ENA_BIT,
667 	0, &wm8990_dapm_lin12_pga_controls[0],
668 	ARRAY_SIZE(wm8990_dapm_lin12_pga_controls)),
669 SND_SOC_DAPM_MIXER("LIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_LIN34_ENA_BIT,
670 	0, &wm8990_dapm_lin34_pga_controls[0],
671 	ARRAY_SIZE(wm8990_dapm_lin34_pga_controls)),
672 SND_SOC_DAPM_MIXER("RIN12 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN12_ENA_BIT,
673 	0, &wm8990_dapm_rin12_pga_controls[0],
674 	ARRAY_SIZE(wm8990_dapm_rin12_pga_controls)),
675 SND_SOC_DAPM_MIXER("RIN34 PGA", WM8990_POWER_MANAGEMENT_2, WM8990_RIN34_ENA_BIT,
676 	0, &wm8990_dapm_rin34_pga_controls[0],
677 	ARRAY_SIZE(wm8990_dapm_rin34_pga_controls)),
678 
679 /* INMIXL */
680 SND_SOC_DAPM_MIXER_E("INMIXL", WM8990_INTDRIVBITS, WM8990_INMIXL_PWR_BIT, 0,
681 	&wm8990_dapm_inmixl_controls[0],
682 	ARRAY_SIZE(wm8990_dapm_inmixl_controls),
683 	inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
684 
685 /* AINLMUX */
686 SND_SOC_DAPM_MUX_E("AINLMUX", WM8990_INTDRIVBITS, WM8990_AINLMUX_PWR_BIT, 0,
687 	&wm8990_dapm_ainlmux_controls, inmixer_event,
688 	SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
689 
690 /* INMIXR */
691 SND_SOC_DAPM_MIXER_E("INMIXR", WM8990_INTDRIVBITS, WM8990_INMIXR_PWR_BIT, 0,
692 	&wm8990_dapm_inmixr_controls[0],
693 	ARRAY_SIZE(wm8990_dapm_inmixr_controls),
694 	inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
695 
696 /* AINRMUX */
697 SND_SOC_DAPM_MUX_E("AINRMUX", WM8990_INTDRIVBITS, WM8990_AINRMUX_PWR_BIT, 0,
698 	&wm8990_dapm_ainrmux_controls, inmixer_event,
699 	SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
700 
701 /* Output Side */
702 /* DACs */
703 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8990_POWER_MANAGEMENT_3,
704 	WM8990_DACL_ENA_BIT, 0),
705 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8990_POWER_MANAGEMENT_3,
706 	WM8990_DACR_ENA_BIT, 0),
707 
708 /* LOMIX */
709 SND_SOC_DAPM_MIXER_E("LOMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOMIX_ENA_BIT,
710 	0, &wm8990_dapm_lomix_controls[0],
711 	ARRAY_SIZE(wm8990_dapm_lomix_controls),
712 	outmixer_event, SND_SOC_DAPM_PRE_REG),
713 
714 /* LONMIX */
715 SND_SOC_DAPM_MIXER("LONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LON_ENA_BIT, 0,
716 	&wm8990_dapm_lonmix_controls[0],
717 	ARRAY_SIZE(wm8990_dapm_lonmix_controls)),
718 
719 /* LOPMIX */
720 SND_SOC_DAPM_MIXER("LOPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_LOP_ENA_BIT, 0,
721 	&wm8990_dapm_lopmix_controls[0],
722 	ARRAY_SIZE(wm8990_dapm_lopmix_controls)),
723 
724 /* OUT3MIX */
725 SND_SOC_DAPM_MIXER("OUT3MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT3_ENA_BIT, 0,
726 	&wm8990_dapm_out3mix_controls[0],
727 	ARRAY_SIZE(wm8990_dapm_out3mix_controls)),
728 
729 /* SPKMIX */
730 SND_SOC_DAPM_MIXER_E("SPKMIX", WM8990_POWER_MANAGEMENT_1, WM8990_SPK_ENA_BIT, 0,
731 	&wm8990_dapm_spkmix_controls[0],
732 	ARRAY_SIZE(wm8990_dapm_spkmix_controls), outmixer_event,
733 	SND_SOC_DAPM_PRE_REG),
734 
735 /* OUT4MIX */
736 SND_SOC_DAPM_MIXER("OUT4MIX", WM8990_POWER_MANAGEMENT_1, WM8990_OUT4_ENA_BIT, 0,
737 	&wm8990_dapm_out4mix_controls[0],
738 	ARRAY_SIZE(wm8990_dapm_out4mix_controls)),
739 
740 /* ROPMIX */
741 SND_SOC_DAPM_MIXER("ROPMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROP_ENA_BIT, 0,
742 	&wm8990_dapm_ropmix_controls[0],
743 	ARRAY_SIZE(wm8990_dapm_ropmix_controls)),
744 
745 /* RONMIX */
746 SND_SOC_DAPM_MIXER("RONMIX", WM8990_POWER_MANAGEMENT_3, WM8990_RON_ENA_BIT, 0,
747 	&wm8990_dapm_ronmix_controls[0],
748 	ARRAY_SIZE(wm8990_dapm_ronmix_controls)),
749 
750 /* ROMIX */
751 SND_SOC_DAPM_MIXER_E("ROMIX", WM8990_POWER_MANAGEMENT_3, WM8990_ROMIX_ENA_BIT,
752 	0, &wm8990_dapm_romix_controls[0],
753 	ARRAY_SIZE(wm8990_dapm_romix_controls),
754 	outmixer_event, SND_SOC_DAPM_PRE_REG),
755 
756 /* LOUT PGA */
757 SND_SOC_DAPM_PGA("LOUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_LOUT_ENA_BIT, 0,
758 	NULL, 0),
759 
760 /* ROUT PGA */
761 SND_SOC_DAPM_PGA("ROUT PGA", WM8990_POWER_MANAGEMENT_1, WM8990_ROUT_ENA_BIT, 0,
762 	NULL, 0),
763 
764 /* LOPGA */
765 SND_SOC_DAPM_PGA("LOPGA", WM8990_POWER_MANAGEMENT_3, WM8990_LOPGA_ENA_BIT, 0,
766 	NULL, 0),
767 
768 /* ROPGA */
769 SND_SOC_DAPM_PGA("ROPGA", WM8990_POWER_MANAGEMENT_3, WM8990_ROPGA_ENA_BIT, 0,
770 	NULL, 0),
771 
772 /* MICBIAS */
773 SND_SOC_DAPM_MICBIAS("MICBIAS", WM8990_POWER_MANAGEMENT_1,
774 	WM8990_MICBIAS_ENA_BIT, 0),
775 
776 SND_SOC_DAPM_OUTPUT("LON"),
777 SND_SOC_DAPM_OUTPUT("LOP"),
778 SND_SOC_DAPM_OUTPUT("OUT3"),
779 SND_SOC_DAPM_OUTPUT("LOUT"),
780 SND_SOC_DAPM_OUTPUT("SPKN"),
781 SND_SOC_DAPM_OUTPUT("SPKP"),
782 SND_SOC_DAPM_OUTPUT("ROUT"),
783 SND_SOC_DAPM_OUTPUT("OUT4"),
784 SND_SOC_DAPM_OUTPUT("ROP"),
785 SND_SOC_DAPM_OUTPUT("RON"),
786 
787 SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
788 };
789 
790 static const struct snd_soc_dapm_route audio_map[] = {
791 	/* Make DACs turn on when playing even if not mixed into any outputs */
792 	{"Internal DAC Sink", NULL, "Left DAC"},
793 	{"Internal DAC Sink", NULL, "Right DAC"},
794 
795 	/* Make ADCs turn on when recording even if not mixed from any inputs */
796 	{"Left ADC", NULL, "Internal ADC Source"},
797 	{"Right ADC", NULL, "Internal ADC Source"},
798 
799 	/* Input Side */
800 	/* LIN12 PGA */
801 	{"LIN12 PGA", "LIN1 Switch", "LIN1"},
802 	{"LIN12 PGA", "LIN2 Switch", "LIN2"},
803 	/* LIN34 PGA */
804 	{"LIN34 PGA", "LIN3 Switch", "LIN3"},
805 	{"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"},
806 	/* INMIXL */
807 	{"INMIXL", "Record Left Volume", "LOMIX"},
808 	{"INMIXL", "LIN2 Volume", "LIN2"},
809 	{"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
810 	{"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
811 	/* AINLMUX */
812 	{"AINLMUX", "INMIXL Mix", "INMIXL"},
813 	{"AINLMUX", "DIFFINL Mix", "LIN12 PGA"},
814 	{"AINLMUX", "DIFFINL Mix", "LIN34 PGA"},
815 	{"AINLMUX", "RXVOICE Mix", "LIN4/RXN"},
816 	{"AINLMUX", "RXVOICE Mix", "RIN4/RXP"},
817 	/* ADC */
818 	{"Left ADC", NULL, "AINLMUX"},
819 
820 	/* RIN12 PGA */
821 	{"RIN12 PGA", "RIN1 Switch", "RIN1"},
822 	{"RIN12 PGA", "RIN2 Switch", "RIN2"},
823 	/* RIN34 PGA */
824 	{"RIN34 PGA", "RIN3 Switch", "RIN3"},
825 	{"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"},
826 	/* INMIXL */
827 	{"INMIXR", "Record Right Volume", "ROMIX"},
828 	{"INMIXR", "RIN2 Volume", "RIN2"},
829 	{"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
830 	{"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
831 	/* AINRMUX */
832 	{"AINRMUX", "INMIXR Mix", "INMIXR"},
833 	{"AINRMUX", "DIFFINR Mix", "RIN12 PGA"},
834 	{"AINRMUX", "DIFFINR Mix", "RIN34 PGA"},
835 	{"AINRMUX", "RXVOICE Mix", "LIN4/RXN"},
836 	{"AINRMUX", "RXVOICE Mix", "RIN4/RXP"},
837 	/* ADC */
838 	{"Right ADC", NULL, "AINRMUX"},
839 
840 	/* LOMIX */
841 	{"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
842 	{"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
843 	{"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
844 	{"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
845 	{"LOMIX", "LOMIX Right ADC Bypass Switch", "AINRMUX"},
846 	{"LOMIX", "LOMIX Left ADC Bypass Switch", "AINLMUX"},
847 	{"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
848 
849 	/* ROMIX */
850 	{"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
851 	{"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
852 	{"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
853 	{"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
854 	{"ROMIX", "ROMIX Right ADC Bypass Switch", "AINRMUX"},
855 	{"ROMIX", "ROMIX Left ADC Bypass Switch", "AINLMUX"},
856 	{"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
857 
858 	/* SPKMIX */
859 	{"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
860 	{"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
861 	{"SPKMIX", "SPKMIX LADC Bypass Switch", "AINLMUX"},
862 	{"SPKMIX", "SPKMIX RADC Bypass Switch", "AINRMUX"},
863 	{"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
864 	{"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
865 	{"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
866 	{"SPKMIX", "SPKMIX Left DAC Switch", "Left DAC"},
867 
868 	/* LONMIX */
869 	{"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
870 	{"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
871 	{"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
872 
873 	/* LOPMIX */
874 	{"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
875 	{"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
876 	{"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
877 
878 	/* OUT3MIX */
879 	{"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXN"},
880 	{"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
881 
882 	/* OUT4MIX */
883 	{"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
884 	{"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"},
885 
886 	/* RONMIX */
887 	{"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
888 	{"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
889 	{"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
890 
891 	/* ROPMIX */
892 	{"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
893 	{"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
894 	{"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
895 
896 	/* Out Mixer PGAs */
897 	{"LOPGA", NULL, "LOMIX"},
898 	{"ROPGA", NULL, "ROMIX"},
899 
900 	{"LOUT PGA", NULL, "LOMIX"},
901 	{"ROUT PGA", NULL, "ROMIX"},
902 
903 	/* Output Pins */
904 	{"LON", NULL, "LONMIX"},
905 	{"LOP", NULL, "LOPMIX"},
906 	{"OUT3", NULL, "OUT3MIX"},
907 	{"LOUT", NULL, "LOUT PGA"},
908 	{"SPKN", NULL, "SPKMIX"},
909 	{"ROUT", NULL, "ROUT PGA"},
910 	{"OUT4", NULL, "OUT4MIX"},
911 	{"ROP", NULL, "ROPMIX"},
912 	{"RON", NULL, "RONMIX"},
913 };
914 
915 static int wm8990_add_widgets(struct snd_soc_codec *codec)
916 {
917 	snd_soc_dapm_new_controls(codec, wm8990_dapm_widgets,
918 				  ARRAY_SIZE(wm8990_dapm_widgets));
919 
920 	/* set up the WM8990 audio map */
921 	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
922 
923 	snd_soc_dapm_new_widgets(codec);
924 	return 0;
925 }
926 
927 /* PLL divisors */
928 struct _pll_div {
929 	u32 div2;
930 	u32 n;
931 	u32 k;
932 };
933 
934 /* The size in bits of the pll divide multiplied by 10
935  * to allow rounding later */
936 #define FIXED_PLL_SIZE ((1 << 16) * 10)
937 
938 static void pll_factors(struct _pll_div *pll_div, unsigned int target,
939 	unsigned int source)
940 {
941 	u64 Kpart;
942 	unsigned int K, Ndiv, Nmod;
943 
944 
945 	Ndiv = target / source;
946 	if (Ndiv < 6) {
947 		source >>= 1;
948 		pll_div->div2 = 1;
949 		Ndiv = target / source;
950 	} else
951 		pll_div->div2 = 0;
952 
953 	if ((Ndiv < 6) || (Ndiv > 12))
954 		printk(KERN_WARNING
955 		"WM8990 N value outwith recommended range! N = %u\n", Ndiv);
956 
957 	pll_div->n = Ndiv;
958 	Nmod = target % source;
959 	Kpart = FIXED_PLL_SIZE * (long long)Nmod;
960 
961 	do_div(Kpart, source);
962 
963 	K = Kpart & 0xFFFFFFFF;
964 
965 	/* Check if we need to round */
966 	if ((K % 10) >= 5)
967 		K += 5;
968 
969 	/* Move down to proper range now rounding is done */
970 	K /= 10;
971 
972 	pll_div->k = K;
973 }
974 
975 static int wm8990_set_dai_pll(struct snd_soc_dai *codec_dai,
976 		int pll_id, unsigned int freq_in, unsigned int freq_out)
977 {
978 	u16 reg;
979 	struct snd_soc_codec *codec = codec_dai->codec;
980 	struct _pll_div pll_div;
981 
982 	if (freq_in && freq_out) {
983 		pll_factors(&pll_div, freq_out * 4, freq_in);
984 
985 		/* Turn on PLL */
986 		reg = snd_soc_read(codec, WM8990_POWER_MANAGEMENT_2);
987 		reg |= WM8990_PLL_ENA;
988 		snd_soc_write(codec, WM8990_POWER_MANAGEMENT_2, reg);
989 
990 		/* sysclk comes from PLL */
991 		reg = snd_soc_read(codec, WM8990_CLOCKING_2);
992 		snd_soc_write(codec, WM8990_CLOCKING_2, reg | WM8990_SYSCLK_SRC);
993 
994 		/* set up N , fractional mode and pre-divisor if neccessary */
995 		snd_soc_write(codec, WM8990_PLL1, pll_div.n | WM8990_SDM |
996 			(pll_div.div2?WM8990_PRESCALE:0));
997 		snd_soc_write(codec, WM8990_PLL2, (u8)(pll_div.k>>8));
998 		snd_soc_write(codec, WM8990_PLL3, (u8)(pll_div.k & 0xFF));
999 	} else {
1000 		/* Turn on PLL */
1001 		reg = snd_soc_read(codec, WM8990_POWER_MANAGEMENT_2);
1002 		reg &= ~WM8990_PLL_ENA;
1003 		snd_soc_write(codec, WM8990_POWER_MANAGEMENT_2, reg);
1004 	}
1005 	return 0;
1006 }
1007 
1008 /*
1009  * Clock after PLL and dividers
1010  */
1011 static int wm8990_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1012 		int clk_id, unsigned int freq, int dir)
1013 {
1014 	struct snd_soc_codec *codec = codec_dai->codec;
1015 	struct wm8990_priv *wm8990 = codec->private_data;
1016 
1017 	wm8990->sysclk = freq;
1018 	return 0;
1019 }
1020 
1021 /*
1022  * Set's ADC and Voice DAC format.
1023  */
1024 static int wm8990_set_dai_fmt(struct snd_soc_dai *codec_dai,
1025 		unsigned int fmt)
1026 {
1027 	struct snd_soc_codec *codec = codec_dai->codec;
1028 	u16 audio1, audio3;
1029 
1030 	audio1 = snd_soc_read(codec, WM8990_AUDIO_INTERFACE_1);
1031 	audio3 = snd_soc_read(codec, WM8990_AUDIO_INTERFACE_3);
1032 
1033 	/* set master/slave audio interface */
1034 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1035 	case SND_SOC_DAIFMT_CBS_CFS:
1036 		audio3 &= ~WM8990_AIF_MSTR1;
1037 		break;
1038 	case SND_SOC_DAIFMT_CBM_CFM:
1039 		audio3 |= WM8990_AIF_MSTR1;
1040 		break;
1041 	default:
1042 		return -EINVAL;
1043 	}
1044 
1045 	audio1 &= ~WM8990_AIF_FMT_MASK;
1046 
1047 	/* interface format */
1048 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1049 	case SND_SOC_DAIFMT_I2S:
1050 		audio1 |= WM8990_AIF_TMF_I2S;
1051 		audio1 &= ~WM8990_AIF_LRCLK_INV;
1052 		break;
1053 	case SND_SOC_DAIFMT_RIGHT_J:
1054 		audio1 |= WM8990_AIF_TMF_RIGHTJ;
1055 		audio1 &= ~WM8990_AIF_LRCLK_INV;
1056 		break;
1057 	case SND_SOC_DAIFMT_LEFT_J:
1058 		audio1 |= WM8990_AIF_TMF_LEFTJ;
1059 		audio1 &= ~WM8990_AIF_LRCLK_INV;
1060 		break;
1061 	case SND_SOC_DAIFMT_DSP_A:
1062 		audio1 |= WM8990_AIF_TMF_DSP;
1063 		audio1 &= ~WM8990_AIF_LRCLK_INV;
1064 		break;
1065 	case SND_SOC_DAIFMT_DSP_B:
1066 		audio1 |= WM8990_AIF_TMF_DSP | WM8990_AIF_LRCLK_INV;
1067 		break;
1068 	default:
1069 		return -EINVAL;
1070 	}
1071 
1072 	snd_soc_write(codec, WM8990_AUDIO_INTERFACE_1, audio1);
1073 	snd_soc_write(codec, WM8990_AUDIO_INTERFACE_3, audio3);
1074 	return 0;
1075 }
1076 
1077 static int wm8990_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1078 		int div_id, int div)
1079 {
1080 	struct snd_soc_codec *codec = codec_dai->codec;
1081 	u16 reg;
1082 
1083 	switch (div_id) {
1084 	case WM8990_MCLK_DIV:
1085 		reg = snd_soc_read(codec, WM8990_CLOCKING_2) &
1086 			~WM8990_MCLK_DIV_MASK;
1087 		snd_soc_write(codec, WM8990_CLOCKING_2, reg | div);
1088 		break;
1089 	case WM8990_DACCLK_DIV:
1090 		reg = snd_soc_read(codec, WM8990_CLOCKING_2) &
1091 			~WM8990_DAC_CLKDIV_MASK;
1092 		snd_soc_write(codec, WM8990_CLOCKING_2, reg | div);
1093 		break;
1094 	case WM8990_ADCCLK_DIV:
1095 		reg = snd_soc_read(codec, WM8990_CLOCKING_2) &
1096 			~WM8990_ADC_CLKDIV_MASK;
1097 		snd_soc_write(codec, WM8990_CLOCKING_2, reg | div);
1098 		break;
1099 	case WM8990_BCLK_DIV:
1100 		reg = snd_soc_read(codec, WM8990_CLOCKING_1) &
1101 			~WM8990_BCLK_DIV_MASK;
1102 		snd_soc_write(codec, WM8990_CLOCKING_1, reg | div);
1103 		break;
1104 	default:
1105 		return -EINVAL;
1106 	}
1107 
1108 	return 0;
1109 }
1110 
1111 /*
1112  * Set PCM DAI bit size and sample rate.
1113  */
1114 static int wm8990_hw_params(struct snd_pcm_substream *substream,
1115 			    struct snd_pcm_hw_params *params,
1116 			    struct snd_soc_dai *dai)
1117 {
1118 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
1119 	struct snd_soc_device *socdev = rtd->socdev;
1120 	struct snd_soc_codec *codec = socdev->card->codec;
1121 	u16 audio1 = snd_soc_read(codec, WM8990_AUDIO_INTERFACE_1);
1122 
1123 	audio1 &= ~WM8990_AIF_WL_MASK;
1124 	/* bit size */
1125 	switch (params_format(params)) {
1126 	case SNDRV_PCM_FORMAT_S16_LE:
1127 		break;
1128 	case SNDRV_PCM_FORMAT_S20_3LE:
1129 		audio1 |= WM8990_AIF_WL_20BITS;
1130 		break;
1131 	case SNDRV_PCM_FORMAT_S24_LE:
1132 		audio1 |= WM8990_AIF_WL_24BITS;
1133 		break;
1134 	case SNDRV_PCM_FORMAT_S32_LE:
1135 		audio1 |= WM8990_AIF_WL_32BITS;
1136 		break;
1137 	}
1138 
1139 	snd_soc_write(codec, WM8990_AUDIO_INTERFACE_1, audio1);
1140 	return 0;
1141 }
1142 
1143 static int wm8990_mute(struct snd_soc_dai *dai, int mute)
1144 {
1145 	struct snd_soc_codec *codec = dai->codec;
1146 	u16 val;
1147 
1148 	val  = snd_soc_read(codec, WM8990_DAC_CTRL) & ~WM8990_DAC_MUTE;
1149 
1150 	if (mute)
1151 		snd_soc_write(codec, WM8990_DAC_CTRL, val | WM8990_DAC_MUTE);
1152 	else
1153 		snd_soc_write(codec, WM8990_DAC_CTRL, val);
1154 
1155 	return 0;
1156 }
1157 
1158 static int wm8990_set_bias_level(struct snd_soc_codec *codec,
1159 	enum snd_soc_bias_level level)
1160 {
1161 	u16 val;
1162 
1163 	switch (level) {
1164 	case SND_SOC_BIAS_ON:
1165 		break;
1166 
1167 	case SND_SOC_BIAS_PREPARE:
1168 		/* VMID=2*50k */
1169 		val = snd_soc_read(codec, WM8990_POWER_MANAGEMENT_1) &
1170 			~WM8990_VMID_MODE_MASK;
1171 		snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, val | 0x2);
1172 		break;
1173 
1174 	case SND_SOC_BIAS_STANDBY:
1175 		if (codec->bias_level == SND_SOC_BIAS_OFF) {
1176 			/* Enable all output discharge bits */
1177 			snd_soc_write(codec, WM8990_ANTIPOP1, WM8990_DIS_LLINE |
1178 				WM8990_DIS_RLINE | WM8990_DIS_OUT3 |
1179 				WM8990_DIS_OUT4 | WM8990_DIS_LOUT |
1180 				WM8990_DIS_ROUT);
1181 
1182 			/* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
1183 			snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1184 				     WM8990_BUFDCOPEN | WM8990_POBCTRL |
1185 				     WM8990_VMIDTOG);
1186 
1187 			/* Delay to allow output caps to discharge */
1188 			msleep(msecs_to_jiffies(300));
1189 
1190 			/* Disable VMIDTOG */
1191 			snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1192 				     WM8990_BUFDCOPEN | WM8990_POBCTRL);
1193 
1194 			/* disable all output discharge bits */
1195 			snd_soc_write(codec, WM8990_ANTIPOP1, 0);
1196 
1197 			/* Enable outputs */
1198 			snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1b00);
1199 
1200 			msleep(msecs_to_jiffies(50));
1201 
1202 			/* Enable VMID at 2x50k */
1203 			snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f02);
1204 
1205 			msleep(msecs_to_jiffies(100));
1206 
1207 			/* Enable VREF */
1208 			snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f03);
1209 
1210 			msleep(msecs_to_jiffies(600));
1211 
1212 			/* Enable BUFIOEN */
1213 			snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1214 				     WM8990_BUFDCOPEN | WM8990_POBCTRL |
1215 				     WM8990_BUFIOEN);
1216 
1217 			/* Disable outputs */
1218 			snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x3);
1219 
1220 			/* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1221 			snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_BUFIOEN);
1222 
1223 			/* Enable workaround for ADC clocking issue. */
1224 			snd_soc_write(codec, WM8990_EXT_ACCESS_ENA, 0x2);
1225 			snd_soc_write(codec, WM8990_EXT_CTL1, 0xa003);
1226 			snd_soc_write(codec, WM8990_EXT_ACCESS_ENA, 0);
1227 		}
1228 
1229 		/* VMID=2*250k */
1230 		val = snd_soc_read(codec, WM8990_POWER_MANAGEMENT_1) &
1231 			~WM8990_VMID_MODE_MASK;
1232 		snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, val | 0x4);
1233 		break;
1234 
1235 	case SND_SOC_BIAS_OFF:
1236 		/* Enable POBCTRL and SOFT_ST */
1237 		snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1238 			WM8990_POBCTRL | WM8990_BUFIOEN);
1239 
1240 		/* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
1241 		snd_soc_write(codec, WM8990_ANTIPOP2, WM8990_SOFTST |
1242 			WM8990_BUFDCOPEN | WM8990_POBCTRL |
1243 			WM8990_BUFIOEN);
1244 
1245 		/* mute DAC */
1246 		val = snd_soc_read(codec, WM8990_DAC_CTRL);
1247 		snd_soc_write(codec, WM8990_DAC_CTRL, val | WM8990_DAC_MUTE);
1248 
1249 		/* Enable any disabled outputs */
1250 		snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f03);
1251 
1252 		/* Disable VMID */
1253 		snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x1f01);
1254 
1255 		msleep(msecs_to_jiffies(300));
1256 
1257 		/* Enable all output discharge bits */
1258 		snd_soc_write(codec, WM8990_ANTIPOP1, WM8990_DIS_LLINE |
1259 			WM8990_DIS_RLINE | WM8990_DIS_OUT3 |
1260 			WM8990_DIS_OUT4 | WM8990_DIS_LOUT |
1261 			WM8990_DIS_ROUT);
1262 
1263 		/* Disable VREF */
1264 		snd_soc_write(codec, WM8990_POWER_MANAGEMENT_1, 0x0);
1265 
1266 		/* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1267 		snd_soc_write(codec, WM8990_ANTIPOP2, 0x0);
1268 		break;
1269 	}
1270 
1271 	codec->bias_level = level;
1272 	return 0;
1273 }
1274 
1275 #define WM8990_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
1276 	SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
1277 	SNDRV_PCM_RATE_48000)
1278 
1279 #define WM8990_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1280 	SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1281 
1282 /*
1283  * The WM8990 supports 2 different and mutually exclusive DAI
1284  * configurations.
1285  *
1286  * 1. ADC/DAC on Primary Interface
1287  * 2. ADC on Primary Interface/DAC on secondary
1288  */
1289 static struct snd_soc_dai_ops wm8990_dai_ops = {
1290 	.hw_params	= wm8990_hw_params,
1291 	.digital_mute	= wm8990_mute,
1292 	.set_fmt	= wm8990_set_dai_fmt,
1293 	.set_clkdiv	= wm8990_set_dai_clkdiv,
1294 	.set_pll	= wm8990_set_dai_pll,
1295 	.set_sysclk	= wm8990_set_dai_sysclk,
1296 };
1297 
1298 struct snd_soc_dai wm8990_dai = {
1299 /* ADC/DAC on primary */
1300 	.name = "WM8990 ADC/DAC Primary",
1301 	.id = 1,
1302 	.playback = {
1303 		.stream_name = "Playback",
1304 		.channels_min = 1,
1305 		.channels_max = 2,
1306 		.rates = WM8990_RATES,
1307 		.formats = WM8990_FORMATS,},
1308 	.capture = {
1309 		.stream_name = "Capture",
1310 		.channels_min = 1,
1311 		.channels_max = 2,
1312 		.rates = WM8990_RATES,
1313 		.formats = WM8990_FORMATS,},
1314 	.ops = &wm8990_dai_ops,
1315 };
1316 EXPORT_SYMBOL_GPL(wm8990_dai);
1317 
1318 static int wm8990_suspend(struct platform_device *pdev, pm_message_t state)
1319 {
1320 	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1321 	struct snd_soc_codec *codec = socdev->card->codec;
1322 
1323 	/* we only need to suspend if we are a valid card */
1324 	if (!codec->card)
1325 		return 0;
1326 
1327 	wm8990_set_bias_level(codec, SND_SOC_BIAS_OFF);
1328 	return 0;
1329 }
1330 
1331 static int wm8990_resume(struct platform_device *pdev)
1332 {
1333 	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1334 	struct snd_soc_codec *codec = socdev->card->codec;
1335 	int i;
1336 	u8 data[2];
1337 	u16 *cache = codec->reg_cache;
1338 
1339 	/* we only need to resume if we are a valid card */
1340 	if (!codec->card)
1341 		return 0;
1342 
1343 	/* Sync reg_cache with the hardware */
1344 	for (i = 0; i < ARRAY_SIZE(wm8990_reg); i++) {
1345 		if (i + 1 == WM8990_RESET)
1346 			continue;
1347 		data[0] = ((i + 1) << 1) | ((cache[i] >> 8) & 0x0001);
1348 		data[1] = cache[i] & 0x00ff;
1349 		codec->hw_write(codec->control_data, data, 2);
1350 	}
1351 
1352 	wm8990_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1353 	return 0;
1354 }
1355 
1356 /*
1357  * initialise the WM8990 driver
1358  * register the mixer and dsp interfaces with the kernel
1359  */
1360 static int wm8990_init(struct snd_soc_device *socdev)
1361 {
1362 	struct snd_soc_codec *codec = socdev->card->codec;
1363 	u16 reg;
1364 	int ret = 0;
1365 
1366 	codec->name = "WM8990";
1367 	codec->owner = THIS_MODULE;
1368 	codec->set_bias_level = wm8990_set_bias_level;
1369 	codec->dai = &wm8990_dai;
1370 	codec->num_dai = 2;
1371 	codec->reg_cache_size = ARRAY_SIZE(wm8990_reg);
1372 	codec->reg_cache = kmemdup(wm8990_reg, sizeof(wm8990_reg), GFP_KERNEL);
1373 
1374 	if (codec->reg_cache == NULL)
1375 		return -ENOMEM;
1376 
1377 	ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_I2C);
1378 	if (ret < 0) {
1379 		printk(KERN_ERR "wm8990: failed to set cache I/O: %d\n", ret);
1380 		goto pcm_err;
1381 	}
1382 
1383 	wm8990_reset(codec);
1384 
1385 	/* register pcms */
1386 	ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
1387 	if (ret < 0) {
1388 		printk(KERN_ERR "wm8990: failed to create pcms\n");
1389 		goto pcm_err;
1390 	}
1391 
1392 	/* charge output caps */
1393 	codec->bias_level = SND_SOC_BIAS_OFF;
1394 	wm8990_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1395 
1396 	reg = snd_soc_read(codec, WM8990_AUDIO_INTERFACE_4);
1397 	snd_soc_write(codec, WM8990_AUDIO_INTERFACE_4, reg | WM8990_ALRCGPIO1);
1398 
1399 	reg = snd_soc_read(codec, WM8990_GPIO1_GPIO2) &
1400 		~WM8990_GPIO1_SEL_MASK;
1401 	snd_soc_write(codec, WM8990_GPIO1_GPIO2, reg | 1);
1402 
1403 	reg = snd_soc_read(codec, WM8990_POWER_MANAGEMENT_2);
1404 	snd_soc_write(codec, WM8990_POWER_MANAGEMENT_2, reg | WM8990_OPCLK_ENA);
1405 
1406 	snd_soc_write(codec, WM8990_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
1407 	snd_soc_write(codec, WM8990_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
1408 
1409 	snd_soc_add_controls(codec, wm8990_snd_controls,
1410 				ARRAY_SIZE(wm8990_snd_controls));
1411 	wm8990_add_widgets(codec);
1412 	ret = snd_soc_init_card(socdev);
1413 	if (ret < 0) {
1414 		printk(KERN_ERR "wm8990: failed to register card\n");
1415 		goto card_err;
1416 	}
1417 	return ret;
1418 
1419 card_err:
1420 	snd_soc_free_pcms(socdev);
1421 	snd_soc_dapm_free(socdev);
1422 pcm_err:
1423 	kfree(codec->reg_cache);
1424 	return ret;
1425 }
1426 
1427 /* If the i2c layer weren't so broken, we could pass this kind of data
1428    around */
1429 static struct snd_soc_device *wm8990_socdev;
1430 
1431 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1432 
1433 /*
1434  * WM891 2 wire address is determined by GPIO5
1435  * state during powerup.
1436  *    low  = 0x34
1437  *    high = 0x36
1438  */
1439 
1440 static int wm8990_i2c_probe(struct i2c_client *i2c,
1441 			    const struct i2c_device_id *id)
1442 {
1443 	struct snd_soc_device *socdev = wm8990_socdev;
1444 	struct snd_soc_codec *codec = socdev->card->codec;
1445 	int ret;
1446 
1447 	i2c_set_clientdata(i2c, codec);
1448 	codec->control_data = i2c;
1449 
1450 	ret = wm8990_init(socdev);
1451 	if (ret < 0)
1452 		pr_err("failed to initialise WM8990\n");
1453 
1454 	return ret;
1455 }
1456 
1457 static int wm8990_i2c_remove(struct i2c_client *client)
1458 {
1459 	struct snd_soc_codec *codec = i2c_get_clientdata(client);
1460 	kfree(codec->reg_cache);
1461 	return 0;
1462 }
1463 
1464 static const struct i2c_device_id wm8990_i2c_id[] = {
1465 	{ "wm8990", 0 },
1466 	{ }
1467 };
1468 MODULE_DEVICE_TABLE(i2c, wm8990_i2c_id);
1469 
1470 static struct i2c_driver wm8990_i2c_driver = {
1471 	.driver = {
1472 		.name = "WM8990 I2C Codec",
1473 		.owner = THIS_MODULE,
1474 	},
1475 	.probe =    wm8990_i2c_probe,
1476 	.remove =   wm8990_i2c_remove,
1477 	.id_table = wm8990_i2c_id,
1478 };
1479 
1480 static int wm8990_add_i2c_device(struct platform_device *pdev,
1481 				 const struct wm8990_setup_data *setup)
1482 {
1483 	struct i2c_board_info info;
1484 	struct i2c_adapter *adapter;
1485 	struct i2c_client *client;
1486 	int ret;
1487 
1488 	ret = i2c_add_driver(&wm8990_i2c_driver);
1489 	if (ret != 0) {
1490 		dev_err(&pdev->dev, "can't add i2c driver\n");
1491 		return ret;
1492 	}
1493 
1494 	memset(&info, 0, sizeof(struct i2c_board_info));
1495 	info.addr = setup->i2c_address;
1496 	strlcpy(info.type, "wm8990", I2C_NAME_SIZE);
1497 
1498 	adapter = i2c_get_adapter(setup->i2c_bus);
1499 	if (!adapter) {
1500 		dev_err(&pdev->dev, "can't get i2c adapter %d\n",
1501 			setup->i2c_bus);
1502 		goto err_driver;
1503 	}
1504 
1505 	client = i2c_new_device(adapter, &info);
1506 	i2c_put_adapter(adapter);
1507 	if (!client) {
1508 		dev_err(&pdev->dev, "can't add i2c device at 0x%x\n",
1509 			(unsigned int)info.addr);
1510 		goto err_driver;
1511 	}
1512 
1513 	return 0;
1514 
1515 err_driver:
1516 	i2c_del_driver(&wm8990_i2c_driver);
1517 	return -ENODEV;
1518 }
1519 #endif
1520 
1521 static int wm8990_probe(struct platform_device *pdev)
1522 {
1523 	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1524 	struct wm8990_setup_data *setup;
1525 	struct snd_soc_codec *codec;
1526 	struct wm8990_priv *wm8990;
1527 	int ret;
1528 
1529 	pr_info("WM8990 Audio Codec %s\n", WM8990_VERSION);
1530 
1531 	setup = socdev->codec_data;
1532 	codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
1533 	if (codec == NULL)
1534 		return -ENOMEM;
1535 
1536 	wm8990 = kzalloc(sizeof(struct wm8990_priv), GFP_KERNEL);
1537 	if (wm8990 == NULL) {
1538 		kfree(codec);
1539 		return -ENOMEM;
1540 	}
1541 
1542 	codec->private_data = wm8990;
1543 	socdev->card->codec = codec;
1544 	mutex_init(&codec->mutex);
1545 	INIT_LIST_HEAD(&codec->dapm_widgets);
1546 	INIT_LIST_HEAD(&codec->dapm_paths);
1547 	wm8990_socdev = socdev;
1548 
1549 	ret = -ENODEV;
1550 
1551 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1552 	if (setup->i2c_address) {
1553 		codec->hw_write = (hw_write_t)i2c_master_send;
1554 		ret = wm8990_add_i2c_device(pdev, setup);
1555 	}
1556 #endif
1557 
1558 	if (ret != 0) {
1559 		kfree(codec->private_data);
1560 		kfree(codec);
1561 	}
1562 	return ret;
1563 }
1564 
1565 /* power down chip */
1566 static int wm8990_remove(struct platform_device *pdev)
1567 {
1568 	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1569 	struct snd_soc_codec *codec = socdev->card->codec;
1570 
1571 	if (codec->control_data)
1572 		wm8990_set_bias_level(codec, SND_SOC_BIAS_OFF);
1573 	snd_soc_free_pcms(socdev);
1574 	snd_soc_dapm_free(socdev);
1575 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1576 	i2c_unregister_device(codec->control_data);
1577 	i2c_del_driver(&wm8990_i2c_driver);
1578 #endif
1579 	kfree(codec->private_data);
1580 	kfree(codec);
1581 
1582 	return 0;
1583 }
1584 
1585 struct snd_soc_codec_device soc_codec_dev_wm8990 = {
1586 	.probe =	wm8990_probe,
1587 	.remove =	wm8990_remove,
1588 	.suspend =	wm8990_suspend,
1589 	.resume =	wm8990_resume,
1590 };
1591 EXPORT_SYMBOL_GPL(soc_codec_dev_wm8990);
1592 
1593 static int __init wm8990_modinit(void)
1594 {
1595 	return snd_soc_register_dai(&wm8990_dai);
1596 }
1597 module_init(wm8990_modinit);
1598 
1599 static void __exit wm8990_exit(void)
1600 {
1601 	snd_soc_unregister_dai(&wm8990_dai);
1602 }
1603 module_exit(wm8990_exit);
1604 
1605 MODULE_DESCRIPTION("ASoC WM8990 driver");
1606 MODULE_AUTHOR("Liam Girdwood");
1607 MODULE_LICENSE("GPL");
1608