1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * wm8991.c -- WM8991 ALSA Soc Audio driver
4 *
5 * Copyright 2007-2010 Wolfson Microelectronics PLC.
6 * Author: Graeme Gregory
7 * Graeme.Gregory@wolfsonmicro.com
8 */
9
10 #include <linux/module.h>
11 #include <linux/moduleparam.h>
12 #include <linux/kernel.h>
13 #include <linux/init.h>
14 #include <linux/delay.h>
15 #include <linux/pm.h>
16 #include <linux/i2c.h>
17 #include <linux/regmap.h>
18 #include <linux/slab.h>
19 #include <sound/core.h>
20 #include <sound/pcm.h>
21 #include <sound/pcm_params.h>
22 #include <sound/soc.h>
23 #include <sound/soc-dapm.h>
24 #include <sound/initval.h>
25 #include <sound/tlv.h>
26 #include <asm/div64.h>
27
28 #include "wm8991.h"
29
30 struct wm8991_priv {
31 struct regmap *regmap;
32 unsigned int pcmclk;
33 };
34
35 static const struct reg_default wm8991_reg_defaults[] = {
36 { 1, 0x0000 }, /* R1 - Power Management (1) */
37 { 2, 0x6000 }, /* R2 - Power Management (2) */
38 { 3, 0x0000 }, /* R3 - Power Management (3) */
39 { 4, 0x4050 }, /* R4 - Audio Interface (1) */
40 { 5, 0x4000 }, /* R5 - Audio Interface (2) */
41 { 6, 0x01C8 }, /* R6 - Clocking (1) */
42 { 7, 0x0000 }, /* R7 - Clocking (2) */
43 { 8, 0x0040 }, /* R8 - Audio Interface (3) */
44 { 9, 0x0040 }, /* R9 - Audio Interface (4) */
45 { 10, 0x0004 }, /* R10 - DAC CTRL */
46 { 11, 0x00C0 }, /* R11 - Left DAC Digital Volume */
47 { 12, 0x00C0 }, /* R12 - Right DAC Digital Volume */
48 { 13, 0x0000 }, /* R13 - Digital Side Tone */
49 { 14, 0x0100 }, /* R14 - ADC CTRL */
50 { 15, 0x00C0 }, /* R15 - Left ADC Digital Volume */
51 { 16, 0x00C0 }, /* R16 - Right ADC Digital Volume */
52
53 { 18, 0x0000 }, /* R18 - GPIO CTRL 1 */
54 { 19, 0x1000 }, /* R19 - GPIO1 & GPIO2 */
55 { 20, 0x1010 }, /* R20 - GPIO3 & GPIO4 */
56 { 21, 0x1010 }, /* R21 - GPIO5 & GPIO6 */
57 { 22, 0x8000 }, /* R22 - GPIOCTRL 2 */
58 { 23, 0x0800 }, /* R23 - GPIO_POL */
59 { 24, 0x008B }, /* R24 - Left Line Input 1&2 Volume */
60 { 25, 0x008B }, /* R25 - Left Line Input 3&4 Volume */
61 { 26, 0x008B }, /* R26 - Right Line Input 1&2 Volume */
62 { 27, 0x008B }, /* R27 - Right Line Input 3&4 Volume */
63 { 28, 0x0000 }, /* R28 - Left Output Volume */
64 { 29, 0x0000 }, /* R29 - Right Output Volume */
65 { 30, 0x0066 }, /* R30 - Line Outputs Volume */
66 { 31, 0x0022 }, /* R31 - Out3/4 Volume */
67 { 32, 0x0079 }, /* R32 - Left OPGA Volume */
68 { 33, 0x0079 }, /* R33 - Right OPGA Volume */
69 { 34, 0x0003 }, /* R34 - Speaker Volume */
70 { 35, 0x0003 }, /* R35 - ClassD1 */
71
72 { 37, 0x0100 }, /* R37 - ClassD3 */
73
74 { 39, 0x0000 }, /* R39 - Input Mixer1 */
75 { 40, 0x0000 }, /* R40 - Input Mixer2 */
76 { 41, 0x0000 }, /* R41 - Input Mixer3 */
77 { 42, 0x0000 }, /* R42 - Input Mixer4 */
78 { 43, 0x0000 }, /* R43 - Input Mixer5 */
79 { 44, 0x0000 }, /* R44 - Input Mixer6 */
80 { 45, 0x0000 }, /* R45 - Output Mixer1 */
81 { 46, 0x0000 }, /* R46 - Output Mixer2 */
82 { 47, 0x0000 }, /* R47 - Output Mixer3 */
83 { 48, 0x0000 }, /* R48 - Output Mixer4 */
84 { 49, 0x0000 }, /* R49 - Output Mixer5 */
85 { 50, 0x0000 }, /* R50 - Output Mixer6 */
86 { 51, 0x0180 }, /* R51 - Out3/4 Mixer */
87 { 52, 0x0000 }, /* R52 - Line Mixer1 */
88 { 53, 0x0000 }, /* R53 - Line Mixer2 */
89 { 54, 0x0000 }, /* R54 - Speaker Mixer */
90 { 55, 0x0000 }, /* R55 - Additional Control */
91 { 56, 0x0000 }, /* R56 - AntiPOP1 */
92 { 57, 0x0000 }, /* R57 - AntiPOP2 */
93 { 58, 0x0000 }, /* R58 - MICBIAS */
94
95 { 60, 0x0008 }, /* R60 - PLL1 */
96 { 61, 0x0031 }, /* R61 - PLL2 */
97 { 62, 0x0026 }, /* R62 - PLL3 */
98 };
99
wm8991_volatile(struct device * dev,unsigned int reg)100 static bool wm8991_volatile(struct device *dev, unsigned int reg)
101 {
102 switch (reg) {
103 case WM8991_RESET:
104 return true;
105 default:
106 return false;
107 }
108 }
109
110 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(in_pga_tlv, -1650, 150, 0);
111 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(out_mix_tlv, -2100, 300, 0);
112 static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(out_pga_tlv,
113 0x00, 0x2f, SNDRV_CTL_TLVD_DB_SCALE_ITEM(SNDRV_CTL_TLVD_DB_GAIN_MUTE, 0, 1),
114 0x30, 0x7f, SNDRV_CTL_TLVD_DB_SCALE_ITEM(-7300, 100, 0),
115 );
116 static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(out_dac_tlv,
117 0x00, 0xbf, SNDRV_CTL_TLVD_DB_SCALE_ITEM(-71625, 375, 1),
118 0xc0, 0xff, SNDRV_CTL_TLVD_DB_SCALE_ITEM(0, 0, 0),
119 );
120 static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(in_adc_tlv,
121 0x00, 0xef, SNDRV_CTL_TLVD_DB_SCALE_ITEM(-71625, 375, 1),
122 0xf0, 0xff, SNDRV_CTL_TLVD_DB_SCALE_ITEM(17625, 0, 0),
123 );
124 static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(out_sidetone_tlv,
125 0x00, 0x0c, SNDRV_CTL_TLVD_DB_SCALE_ITEM(-3600, 300, 0),
126 0x0d, 0x0f, SNDRV_CTL_TLVD_DB_SCALE_ITEM(0, 0, 0),
127 );
128
wm899x_outpga_put_volsw_vu(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)129 static int wm899x_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
130 struct snd_ctl_elem_value *ucontrol)
131 {
132 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
133 int reg = kcontrol->private_value & 0xff;
134 int ret;
135 u16 val;
136
137 ret = snd_soc_put_volsw(kcontrol, ucontrol);
138 if (ret < 0)
139 return ret;
140
141 /* now hit the volume update bits (always bit 8) */
142 val = snd_soc_component_read(component, reg);
143 return snd_soc_component_write(component, reg, val | 0x0100);
144 }
145
146 static const char *wm8991_digital_sidetone[] =
147 {"None", "Left ADC", "Right ADC", "Reserved"};
148
149 static SOC_ENUM_SINGLE_DECL(wm8991_left_digital_sidetone_enum,
150 WM8991_DIGITAL_SIDE_TONE,
151 WM8991_ADC_TO_DACL_SHIFT,
152 wm8991_digital_sidetone);
153
154 static SOC_ENUM_SINGLE_DECL(wm8991_right_digital_sidetone_enum,
155 WM8991_DIGITAL_SIDE_TONE,
156 WM8991_ADC_TO_DACR_SHIFT,
157 wm8991_digital_sidetone);
158
159 static const char *wm8991_adcmode[] =
160 {"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
161
162 static SOC_ENUM_SINGLE_DECL(wm8991_right_adcmode_enum,
163 WM8991_ADC_CTRL,
164 WM8991_ADC_HPF_CUT_SHIFT,
165 wm8991_adcmode);
166
167 static const struct snd_kcontrol_new wm8991_snd_controls[] = {
168 /* INMIXL */
169 SOC_SINGLE("LIN12 PGA Boost", WM8991_INPUT_MIXER3, WM8991_L12MNBST_BIT, 1, 0),
170 SOC_SINGLE("LIN34 PGA Boost", WM8991_INPUT_MIXER3, WM8991_L34MNBST_BIT, 1, 0),
171 /* INMIXR */
172 SOC_SINGLE("RIN12 PGA Boost", WM8991_INPUT_MIXER3, WM8991_R12MNBST_BIT, 1, 0),
173 SOC_SINGLE("RIN34 PGA Boost", WM8991_INPUT_MIXER3, WM8991_R34MNBST_BIT, 1, 0),
174
175 /* LOMIX */
176 SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8991_OUTPUT_MIXER3,
177 WM8991_LLI3LOVOL_SHIFT, WM8991_LLI3LOVOL_MASK, 1, out_mix_tlv),
178 SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER3,
179 WM8991_LR12LOVOL_SHIFT, WM8991_LR12LOVOL_MASK, 1, out_mix_tlv),
180 SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER3,
181 WM8991_LL12LOVOL_SHIFT, WM8991_LL12LOVOL_MASK, 1, out_mix_tlv),
182 SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8991_OUTPUT_MIXER5,
183 WM8991_LRI3LOVOL_SHIFT, WM8991_LRI3LOVOL_MASK, 1, out_mix_tlv),
184 SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8991_OUTPUT_MIXER5,
185 WM8991_LRBLOVOL_SHIFT, WM8991_LRBLOVOL_MASK, 1, out_mix_tlv),
186 SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8991_OUTPUT_MIXER5,
187 WM8991_LRBLOVOL_SHIFT, WM8991_LRBLOVOL_MASK, 1, out_mix_tlv),
188
189 /* ROMIX */
190 SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8991_OUTPUT_MIXER4,
191 WM8991_RRI3ROVOL_SHIFT, WM8991_RRI3ROVOL_MASK, 1, out_mix_tlv),
192 SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER4,
193 WM8991_RL12ROVOL_SHIFT, WM8991_RL12ROVOL_MASK, 1, out_mix_tlv),
194 SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8991_OUTPUT_MIXER4,
195 WM8991_RR12ROVOL_SHIFT, WM8991_RR12ROVOL_MASK, 1, out_mix_tlv),
196 SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8991_OUTPUT_MIXER6,
197 WM8991_RLI3ROVOL_SHIFT, WM8991_RLI3ROVOL_MASK, 1, out_mix_tlv),
198 SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8991_OUTPUT_MIXER6,
199 WM8991_RLBROVOL_SHIFT, WM8991_RLBROVOL_MASK, 1, out_mix_tlv),
200 SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8991_OUTPUT_MIXER6,
201 WM8991_RRBROVOL_SHIFT, WM8991_RRBROVOL_MASK, 1, out_mix_tlv),
202
203 /* LOUT */
204 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8991_LEFT_OUTPUT_VOLUME,
205 WM8991_LOUTVOL_SHIFT, WM8991_LOUTVOL_MASK, 0, out_pga_tlv),
206 SOC_SINGLE("LOUT ZC", WM8991_LEFT_OUTPUT_VOLUME, WM8991_LOZC_BIT, 1, 0),
207
208 /* ROUT */
209 SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8991_RIGHT_OUTPUT_VOLUME,
210 WM8991_ROUTVOL_SHIFT, WM8991_ROUTVOL_MASK, 0, out_pga_tlv),
211 SOC_SINGLE("ROUT ZC", WM8991_RIGHT_OUTPUT_VOLUME, WM8991_ROZC_BIT, 1, 0),
212
213 /* LOPGA */
214 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8991_LEFT_OPGA_VOLUME,
215 WM8991_LOPGAVOL_SHIFT, WM8991_LOPGAVOL_MASK, 0, out_pga_tlv),
216 SOC_SINGLE("LOPGA ZC Switch", WM8991_LEFT_OPGA_VOLUME,
217 WM8991_LOPGAZC_BIT, 1, 0),
218
219 /* ROPGA */
220 SOC_WM899X_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8991_RIGHT_OPGA_VOLUME,
221 WM8991_ROPGAVOL_SHIFT, WM8991_ROPGAVOL_MASK, 0, out_pga_tlv),
222 SOC_SINGLE("ROPGA ZC Switch", WM8991_RIGHT_OPGA_VOLUME,
223 WM8991_ROPGAZC_BIT, 1, 0),
224
225 SOC_SINGLE("LON Mute Switch", WM8991_LINE_OUTPUTS_VOLUME,
226 WM8991_LONMUTE_BIT, 1, 0),
227 SOC_SINGLE("LOP Mute Switch", WM8991_LINE_OUTPUTS_VOLUME,
228 WM8991_LOPMUTE_BIT, 1, 0),
229 SOC_SINGLE("LOP Attenuation Switch", WM8991_LINE_OUTPUTS_VOLUME,
230 WM8991_LOATTN_BIT, 1, 0),
231 SOC_SINGLE("RON Mute Switch", WM8991_LINE_OUTPUTS_VOLUME,
232 WM8991_RONMUTE_BIT, 1, 0),
233 SOC_SINGLE("ROP Mute Switch", WM8991_LINE_OUTPUTS_VOLUME,
234 WM8991_ROPMUTE_BIT, 1, 0),
235 SOC_SINGLE("ROP Attenuation Switch", WM8991_LINE_OUTPUTS_VOLUME,
236 WM8991_ROATTN_BIT, 1, 0),
237
238 SOC_SINGLE("OUT3 Mute Switch", WM8991_OUT3_4_VOLUME,
239 WM8991_OUT3MUTE_BIT, 1, 0),
240 SOC_SINGLE("OUT3 Attenuation Switch", WM8991_OUT3_4_VOLUME,
241 WM8991_OUT3ATTN_BIT, 1, 0),
242
243 SOC_SINGLE("OUT4 Mute Switch", WM8991_OUT3_4_VOLUME,
244 WM8991_OUT4MUTE_BIT, 1, 0),
245 SOC_SINGLE("OUT4 Attenuation Switch", WM8991_OUT3_4_VOLUME,
246 WM8991_OUT4ATTN_BIT, 1, 0),
247
248 SOC_SINGLE("Speaker Mode Switch", WM8991_CLASSD1,
249 WM8991_CDMODE_BIT, 1, 0),
250
251 SOC_SINGLE("Speaker Output Attenuation Volume", WM8991_SPEAKER_VOLUME,
252 WM8991_SPKVOL_SHIFT, WM8991_SPKVOL_MASK, 0),
253 SOC_SINGLE("Speaker DC Boost Volume", WM8991_CLASSD3,
254 WM8991_DCGAIN_SHIFT, WM8991_DCGAIN_MASK, 0),
255 SOC_SINGLE("Speaker AC Boost Volume", WM8991_CLASSD3,
256 WM8991_ACGAIN_SHIFT, WM8991_ACGAIN_MASK, 0),
257
258 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
259 WM8991_LEFT_DAC_DIGITAL_VOLUME,
260 WM8991_DACL_VOL_SHIFT,
261 WM8991_DACL_VOL_MASK,
262 0,
263 out_dac_tlv),
264
265 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
266 WM8991_RIGHT_DAC_DIGITAL_VOLUME,
267 WM8991_DACR_VOL_SHIFT,
268 WM8991_DACR_VOL_MASK,
269 0,
270 out_dac_tlv),
271
272 SOC_ENUM("Left Digital Sidetone", wm8991_left_digital_sidetone_enum),
273 SOC_ENUM("Right Digital Sidetone", wm8991_right_digital_sidetone_enum),
274
275 SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8991_DIGITAL_SIDE_TONE,
276 WM8991_ADCL_DAC_SVOL_SHIFT, WM8991_ADCL_DAC_SVOL_MASK, 0,
277 out_sidetone_tlv),
278 SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8991_DIGITAL_SIDE_TONE,
279 WM8991_ADCR_DAC_SVOL_SHIFT, WM8991_ADCR_DAC_SVOL_MASK, 0,
280 out_sidetone_tlv),
281
282 SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8991_ADC_CTRL,
283 WM8991_ADC_HPF_ENA_BIT, 1, 0),
284
285 SOC_ENUM("ADC HPF Mode", wm8991_right_adcmode_enum),
286
287 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
288 WM8991_LEFT_ADC_DIGITAL_VOLUME,
289 WM8991_ADCL_VOL_SHIFT,
290 WM8991_ADCL_VOL_MASK,
291 0,
292 in_adc_tlv),
293
294 SOC_WM899X_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
295 WM8991_RIGHT_ADC_DIGITAL_VOLUME,
296 WM8991_ADCR_VOL_SHIFT,
297 WM8991_ADCR_VOL_MASK,
298 0,
299 in_adc_tlv),
300
301 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
302 WM8991_LEFT_LINE_INPUT_1_2_VOLUME,
303 WM8991_LIN12VOL_SHIFT,
304 WM8991_LIN12VOL_MASK,
305 0,
306 in_pga_tlv),
307
308 SOC_SINGLE("LIN12 ZC Switch", WM8991_LEFT_LINE_INPUT_1_2_VOLUME,
309 WM8991_LI12ZC_BIT, 1, 0),
310
311 SOC_SINGLE("LIN12 Mute Switch", WM8991_LEFT_LINE_INPUT_1_2_VOLUME,
312 WM8991_LI12MUTE_BIT, 1, 0),
313
314 SOC_WM899X_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
315 WM8991_LEFT_LINE_INPUT_3_4_VOLUME,
316 WM8991_LIN34VOL_SHIFT,
317 WM8991_LIN34VOL_MASK,
318 0,
319 in_pga_tlv),
320
321 SOC_SINGLE("LIN34 ZC Switch", WM8991_LEFT_LINE_INPUT_3_4_VOLUME,
322 WM8991_LI34ZC_BIT, 1, 0),
323
324 SOC_SINGLE("LIN34 Mute Switch", WM8991_LEFT_LINE_INPUT_3_4_VOLUME,
325 WM8991_LI34MUTE_BIT, 1, 0),
326
327 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
328 WM8991_RIGHT_LINE_INPUT_1_2_VOLUME,
329 WM8991_RIN12VOL_SHIFT,
330 WM8991_RIN12VOL_MASK,
331 0,
332 in_pga_tlv),
333
334 SOC_SINGLE("RIN12 ZC Switch", WM8991_RIGHT_LINE_INPUT_1_2_VOLUME,
335 WM8991_RI12ZC_BIT, 1, 0),
336
337 SOC_SINGLE("RIN12 Mute Switch", WM8991_RIGHT_LINE_INPUT_1_2_VOLUME,
338 WM8991_RI12MUTE_BIT, 1, 0),
339
340 SOC_WM899X_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
341 WM8991_RIGHT_LINE_INPUT_3_4_VOLUME,
342 WM8991_RIN34VOL_SHIFT,
343 WM8991_RIN34VOL_MASK,
344 0,
345 in_pga_tlv),
346
347 SOC_SINGLE("RIN34 ZC Switch", WM8991_RIGHT_LINE_INPUT_3_4_VOLUME,
348 WM8991_RI34ZC_BIT, 1, 0),
349
350 SOC_SINGLE("RIN34 Mute Switch", WM8991_RIGHT_LINE_INPUT_3_4_VOLUME,
351 WM8991_RI34MUTE_BIT, 1, 0),
352 };
353
354 /*
355 * _DAPM_ Controls
356 */
outmixer_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)357 static int outmixer_event(struct snd_soc_dapm_widget *w,
358 struct snd_kcontrol *kcontrol, int event)
359 {
360 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
361 u32 reg_shift = kcontrol->private_value & 0xfff;
362 int ret = 0;
363 u16 reg;
364
365 switch (reg_shift) {
366 case WM8991_SPEAKER_MIXER | (WM8991_LDSPK_BIT << 8):
367 reg = snd_soc_component_read(component, WM8991_OUTPUT_MIXER1);
368 if (reg & WM8991_LDLO) {
369 printk(KERN_WARNING
370 "Cannot set as Output Mixer 1 LDLO Set\n");
371 ret = -1;
372 }
373 break;
374
375 case WM8991_SPEAKER_MIXER | (WM8991_RDSPK_BIT << 8):
376 reg = snd_soc_component_read(component, WM8991_OUTPUT_MIXER2);
377 if (reg & WM8991_RDRO) {
378 printk(KERN_WARNING
379 "Cannot set as Output Mixer 2 RDRO Set\n");
380 ret = -1;
381 }
382 break;
383
384 case WM8991_OUTPUT_MIXER1 | (WM8991_LDLO_BIT << 8):
385 reg = snd_soc_component_read(component, WM8991_SPEAKER_MIXER);
386 if (reg & WM8991_LDSPK) {
387 printk(KERN_WARNING
388 "Cannot set as Speaker Mixer LDSPK Set\n");
389 ret = -1;
390 }
391 break;
392
393 case WM8991_OUTPUT_MIXER2 | (WM8991_RDRO_BIT << 8):
394 reg = snd_soc_component_read(component, WM8991_SPEAKER_MIXER);
395 if (reg & WM8991_RDSPK) {
396 printk(KERN_WARNING
397 "Cannot set as Speaker Mixer RDSPK Set\n");
398 ret = -1;
399 }
400 break;
401 }
402
403 return ret;
404 }
405
406 /* INMIX dB values */
407 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(in_mix_tlv, -1200, 300, 1);
408
409 /* Left In PGA Connections */
410 static const struct snd_kcontrol_new wm8991_dapm_lin12_pga_controls[] = {
411 SOC_DAPM_SINGLE("LIN1 Switch", WM8991_INPUT_MIXER2, WM8991_LMN1_BIT, 1, 0),
412 SOC_DAPM_SINGLE("LIN2 Switch", WM8991_INPUT_MIXER2, WM8991_LMP2_BIT, 1, 0),
413 };
414
415 static const struct snd_kcontrol_new wm8991_dapm_lin34_pga_controls[] = {
416 SOC_DAPM_SINGLE("LIN3 Switch", WM8991_INPUT_MIXER2, WM8991_LMN3_BIT, 1, 0),
417 SOC_DAPM_SINGLE("LIN4 Switch", WM8991_INPUT_MIXER2, WM8991_LMP4_BIT, 1, 0),
418 };
419
420 /* Right In PGA Connections */
421 static const struct snd_kcontrol_new wm8991_dapm_rin12_pga_controls[] = {
422 SOC_DAPM_SINGLE("RIN1 Switch", WM8991_INPUT_MIXER2, WM8991_RMN1_BIT, 1, 0),
423 SOC_DAPM_SINGLE("RIN2 Switch", WM8991_INPUT_MIXER2, WM8991_RMP2_BIT, 1, 0),
424 };
425
426 static const struct snd_kcontrol_new wm8991_dapm_rin34_pga_controls[] = {
427 SOC_DAPM_SINGLE("RIN3 Switch", WM8991_INPUT_MIXER2, WM8991_RMN3_BIT, 1, 0),
428 SOC_DAPM_SINGLE("RIN4 Switch", WM8991_INPUT_MIXER2, WM8991_RMP4_BIT, 1, 0),
429 };
430
431 /* INMIXL */
432 static const struct snd_kcontrol_new wm8991_dapm_inmixl_controls[] = {
433 SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8991_INPUT_MIXER3,
434 WM8991_LDBVOL_SHIFT, WM8991_LDBVOL_MASK, 0, in_mix_tlv),
435 SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8991_INPUT_MIXER5, WM8991_LI2BVOL_SHIFT,
436 7, 0, in_mix_tlv),
437 SOC_DAPM_SINGLE("LINPGA12 Switch", WM8991_INPUT_MIXER3, WM8991_L12MNB_BIT,
438 1, 0),
439 SOC_DAPM_SINGLE("LINPGA34 Switch", WM8991_INPUT_MIXER3, WM8991_L34MNB_BIT,
440 1, 0),
441 };
442
443 /* INMIXR */
444 static const struct snd_kcontrol_new wm8991_dapm_inmixr_controls[] = {
445 SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8991_INPUT_MIXER4,
446 WM8991_RDBVOL_SHIFT, WM8991_RDBVOL_MASK, 0, in_mix_tlv),
447 SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8991_INPUT_MIXER6, WM8991_RI2BVOL_SHIFT,
448 7, 0, in_mix_tlv),
449 SOC_DAPM_SINGLE("RINPGA12 Switch", WM8991_INPUT_MIXER3, WM8991_L12MNB_BIT,
450 1, 0),
451 SOC_DAPM_SINGLE("RINPGA34 Switch", WM8991_INPUT_MIXER3, WM8991_L34MNB_BIT,
452 1, 0),
453 };
454
455 /* AINLMUX */
456 static const char *wm8991_ainlmux[] =
457 {"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
458
459 static SOC_ENUM_SINGLE_DECL(wm8991_ainlmux_enum,
460 WM8991_INPUT_MIXER1, WM8991_AINLMODE_SHIFT,
461 wm8991_ainlmux);
462
463 static const struct snd_kcontrol_new wm8991_dapm_ainlmux_controls =
464 SOC_DAPM_ENUM("Route", wm8991_ainlmux_enum);
465
466 /* DIFFINL */
467
468 /* AINRMUX */
469 static const char *wm8991_ainrmux[] =
470 {"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
471
472 static SOC_ENUM_SINGLE_DECL(wm8991_ainrmux_enum,
473 WM8991_INPUT_MIXER1, WM8991_AINRMODE_SHIFT,
474 wm8991_ainrmux);
475
476 static const struct snd_kcontrol_new wm8991_dapm_ainrmux_controls =
477 SOC_DAPM_ENUM("Route", wm8991_ainrmux_enum);
478
479 /* LOMIX */
480 static const struct snd_kcontrol_new wm8991_dapm_lomix_controls[] = {
481 SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8991_OUTPUT_MIXER1,
482 WM8991_LRBLO_BIT, 1, 0),
483 SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8991_OUTPUT_MIXER1,
484 WM8991_LLBLO_BIT, 1, 0),
485 SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8991_OUTPUT_MIXER1,
486 WM8991_LRI3LO_BIT, 1, 0),
487 SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8991_OUTPUT_MIXER1,
488 WM8991_LLI3LO_BIT, 1, 0),
489 SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER1,
490 WM8991_LR12LO_BIT, 1, 0),
491 SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER1,
492 WM8991_LL12LO_BIT, 1, 0),
493 SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8991_OUTPUT_MIXER1,
494 WM8991_LDLO_BIT, 1, 0),
495 };
496
497 /* ROMIX */
498 static const struct snd_kcontrol_new wm8991_dapm_romix_controls[] = {
499 SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8991_OUTPUT_MIXER2,
500 WM8991_RLBRO_BIT, 1, 0),
501 SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8991_OUTPUT_MIXER2,
502 WM8991_RRBRO_BIT, 1, 0),
503 SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8991_OUTPUT_MIXER2,
504 WM8991_RLI3RO_BIT, 1, 0),
505 SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8991_OUTPUT_MIXER2,
506 WM8991_RRI3RO_BIT, 1, 0),
507 SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER2,
508 WM8991_RL12RO_BIT, 1, 0),
509 SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8991_OUTPUT_MIXER2,
510 WM8991_RR12RO_BIT, 1, 0),
511 SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8991_OUTPUT_MIXER2,
512 WM8991_RDRO_BIT, 1, 0),
513 };
514
515 /* LONMIX */
516 static const struct snd_kcontrol_new wm8991_dapm_lonmix_controls[] = {
517 SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8991_LINE_MIXER1,
518 WM8991_LLOPGALON_BIT, 1, 0),
519 SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8991_LINE_MIXER1,
520 WM8991_LROPGALON_BIT, 1, 0),
521 SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8991_LINE_MIXER1,
522 WM8991_LOPLON_BIT, 1, 0),
523 };
524
525 /* LOPMIX */
526 static const struct snd_kcontrol_new wm8991_dapm_lopmix_controls[] = {
527 SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8991_LINE_MIXER1,
528 WM8991_LR12LOP_BIT, 1, 0),
529 SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8991_LINE_MIXER1,
530 WM8991_LL12LOP_BIT, 1, 0),
531 SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8991_LINE_MIXER1,
532 WM8991_LLOPGALOP_BIT, 1, 0),
533 };
534
535 /* RONMIX */
536 static const struct snd_kcontrol_new wm8991_dapm_ronmix_controls[] = {
537 SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8991_LINE_MIXER2,
538 WM8991_RROPGARON_BIT, 1, 0),
539 SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8991_LINE_MIXER2,
540 WM8991_RLOPGARON_BIT, 1, 0),
541 SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8991_LINE_MIXER2,
542 WM8991_ROPRON_BIT, 1, 0),
543 };
544
545 /* ROPMIX */
546 static const struct snd_kcontrol_new wm8991_dapm_ropmix_controls[] = {
547 SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8991_LINE_MIXER2,
548 WM8991_RL12ROP_BIT, 1, 0),
549 SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8991_LINE_MIXER2,
550 WM8991_RR12ROP_BIT, 1, 0),
551 SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8991_LINE_MIXER2,
552 WM8991_RROPGAROP_BIT, 1, 0),
553 };
554
555 /* OUT3MIX */
556 static const struct snd_kcontrol_new wm8991_dapm_out3mix_controls[] = {
557 SOC_DAPM_SINGLE("OUT3MIX LIN4RXN Bypass Switch", WM8991_OUT3_4_MIXER,
558 WM8991_LI4O3_BIT, 1, 0),
559 SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8991_OUT3_4_MIXER,
560 WM8991_LPGAO3_BIT, 1, 0),
561 };
562
563 /* OUT4MIX */
564 static const struct snd_kcontrol_new wm8991_dapm_out4mix_controls[] = {
565 SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8991_OUT3_4_MIXER,
566 WM8991_RPGAO4_BIT, 1, 0),
567 SOC_DAPM_SINGLE("OUT4MIX RIN4RXP Bypass Switch", WM8991_OUT3_4_MIXER,
568 WM8991_RI4O4_BIT, 1, 0),
569 };
570
571 /* SPKMIX */
572 static const struct snd_kcontrol_new wm8991_dapm_spkmix_controls[] = {
573 SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8991_SPEAKER_MIXER,
574 WM8991_LI2SPK_BIT, 1, 0),
575 SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8991_SPEAKER_MIXER,
576 WM8991_LB2SPK_BIT, 1, 0),
577 SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8991_SPEAKER_MIXER,
578 WM8991_LOPGASPK_BIT, 1, 0),
579 SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8991_SPEAKER_MIXER,
580 WM8991_LDSPK_BIT, 1, 0),
581 SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8991_SPEAKER_MIXER,
582 WM8991_RDSPK_BIT, 1, 0),
583 SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8991_SPEAKER_MIXER,
584 WM8991_ROPGASPK_BIT, 1, 0),
585 SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8991_SPEAKER_MIXER,
586 WM8991_RL12ROP_BIT, 1, 0),
587 SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8991_SPEAKER_MIXER,
588 WM8991_RI2SPK_BIT, 1, 0),
589 };
590
591 static const struct snd_soc_dapm_widget wm8991_dapm_widgets[] = {
592 /* Input Side */
593 /* Input Lines */
594 SND_SOC_DAPM_INPUT("LIN1"),
595 SND_SOC_DAPM_INPUT("LIN2"),
596 SND_SOC_DAPM_INPUT("LIN3"),
597 SND_SOC_DAPM_INPUT("LIN4RXN"),
598 SND_SOC_DAPM_INPUT("RIN3"),
599 SND_SOC_DAPM_INPUT("RIN4RXP"),
600 SND_SOC_DAPM_INPUT("RIN1"),
601 SND_SOC_DAPM_INPUT("RIN2"),
602 SND_SOC_DAPM_INPUT("Internal ADC Source"),
603
604 SND_SOC_DAPM_SUPPLY("INL", WM8991_POWER_MANAGEMENT_2,
605 WM8991_AINL_ENA_BIT, 0, NULL, 0),
606 SND_SOC_DAPM_SUPPLY("INR", WM8991_POWER_MANAGEMENT_2,
607 WM8991_AINR_ENA_BIT, 0, NULL, 0),
608
609 /* DACs */
610 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8991_POWER_MANAGEMENT_2,
611 WM8991_ADCL_ENA_BIT, 0),
612 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8991_POWER_MANAGEMENT_2,
613 WM8991_ADCR_ENA_BIT, 0),
614
615 /* Input PGAs */
616 SND_SOC_DAPM_MIXER("LIN12 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_LIN12_ENA_BIT,
617 0, &wm8991_dapm_lin12_pga_controls[0],
618 ARRAY_SIZE(wm8991_dapm_lin12_pga_controls)),
619 SND_SOC_DAPM_MIXER("LIN34 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_LIN34_ENA_BIT,
620 0, &wm8991_dapm_lin34_pga_controls[0],
621 ARRAY_SIZE(wm8991_dapm_lin34_pga_controls)),
622 SND_SOC_DAPM_MIXER("RIN12 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_RIN12_ENA_BIT,
623 0, &wm8991_dapm_rin12_pga_controls[0],
624 ARRAY_SIZE(wm8991_dapm_rin12_pga_controls)),
625 SND_SOC_DAPM_MIXER("RIN34 PGA", WM8991_POWER_MANAGEMENT_2, WM8991_RIN34_ENA_BIT,
626 0, &wm8991_dapm_rin34_pga_controls[0],
627 ARRAY_SIZE(wm8991_dapm_rin34_pga_controls)),
628
629 /* INMIXL */
630 SND_SOC_DAPM_MIXER("INMIXL", SND_SOC_NOPM, 0, 0,
631 &wm8991_dapm_inmixl_controls[0],
632 ARRAY_SIZE(wm8991_dapm_inmixl_controls)),
633
634 /* AINLMUX */
635 SND_SOC_DAPM_MUX("AINLMUX", SND_SOC_NOPM, 0, 0,
636 &wm8991_dapm_ainlmux_controls),
637
638 /* INMIXR */
639 SND_SOC_DAPM_MIXER("INMIXR", SND_SOC_NOPM, 0, 0,
640 &wm8991_dapm_inmixr_controls[0],
641 ARRAY_SIZE(wm8991_dapm_inmixr_controls)),
642
643 /* AINRMUX */
644 SND_SOC_DAPM_MUX("AINRMUX", SND_SOC_NOPM, 0, 0,
645 &wm8991_dapm_ainrmux_controls),
646
647 /* Output Side */
648 /* DACs */
649 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8991_POWER_MANAGEMENT_3,
650 WM8991_DACL_ENA_BIT, 0),
651 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8991_POWER_MANAGEMENT_3,
652 WM8991_DACR_ENA_BIT, 0),
653
654 /* LOMIX */
655 SND_SOC_DAPM_MIXER_E("LOMIX", WM8991_POWER_MANAGEMENT_3, WM8991_LOMIX_ENA_BIT,
656 0, &wm8991_dapm_lomix_controls[0],
657 ARRAY_SIZE(wm8991_dapm_lomix_controls),
658 outmixer_event, SND_SOC_DAPM_PRE_REG),
659
660 /* LONMIX */
661 SND_SOC_DAPM_MIXER("LONMIX", WM8991_POWER_MANAGEMENT_3, WM8991_LON_ENA_BIT, 0,
662 &wm8991_dapm_lonmix_controls[0],
663 ARRAY_SIZE(wm8991_dapm_lonmix_controls)),
664
665 /* LOPMIX */
666 SND_SOC_DAPM_MIXER("LOPMIX", WM8991_POWER_MANAGEMENT_3, WM8991_LOP_ENA_BIT, 0,
667 &wm8991_dapm_lopmix_controls[0],
668 ARRAY_SIZE(wm8991_dapm_lopmix_controls)),
669
670 /* OUT3MIX */
671 SND_SOC_DAPM_MIXER("OUT3MIX", WM8991_POWER_MANAGEMENT_1, WM8991_OUT3_ENA_BIT, 0,
672 &wm8991_dapm_out3mix_controls[0],
673 ARRAY_SIZE(wm8991_dapm_out3mix_controls)),
674
675 /* SPKMIX */
676 SND_SOC_DAPM_MIXER_E("SPKMIX", WM8991_POWER_MANAGEMENT_1, WM8991_SPK_ENA_BIT, 0,
677 &wm8991_dapm_spkmix_controls[0],
678 ARRAY_SIZE(wm8991_dapm_spkmix_controls), outmixer_event,
679 SND_SOC_DAPM_PRE_REG),
680
681 /* OUT4MIX */
682 SND_SOC_DAPM_MIXER("OUT4MIX", WM8991_POWER_MANAGEMENT_1, WM8991_OUT4_ENA_BIT, 0,
683 &wm8991_dapm_out4mix_controls[0],
684 ARRAY_SIZE(wm8991_dapm_out4mix_controls)),
685
686 /* ROPMIX */
687 SND_SOC_DAPM_MIXER("ROPMIX", WM8991_POWER_MANAGEMENT_3, WM8991_ROP_ENA_BIT, 0,
688 &wm8991_dapm_ropmix_controls[0],
689 ARRAY_SIZE(wm8991_dapm_ropmix_controls)),
690
691 /* RONMIX */
692 SND_SOC_DAPM_MIXER("RONMIX", WM8991_POWER_MANAGEMENT_3, WM8991_RON_ENA_BIT, 0,
693 &wm8991_dapm_ronmix_controls[0],
694 ARRAY_SIZE(wm8991_dapm_ronmix_controls)),
695
696 /* ROMIX */
697 SND_SOC_DAPM_MIXER_E("ROMIX", WM8991_POWER_MANAGEMENT_3, WM8991_ROMIX_ENA_BIT,
698 0, &wm8991_dapm_romix_controls[0],
699 ARRAY_SIZE(wm8991_dapm_romix_controls),
700 outmixer_event, SND_SOC_DAPM_PRE_REG),
701
702 /* LOUT PGA */
703 SND_SOC_DAPM_PGA("LOUT PGA", WM8991_POWER_MANAGEMENT_1, WM8991_LOUT_ENA_BIT, 0,
704 NULL, 0),
705
706 /* ROUT PGA */
707 SND_SOC_DAPM_PGA("ROUT PGA", WM8991_POWER_MANAGEMENT_1, WM8991_ROUT_ENA_BIT, 0,
708 NULL, 0),
709
710 /* LOPGA */
711 SND_SOC_DAPM_PGA("LOPGA", WM8991_POWER_MANAGEMENT_3, WM8991_LOPGA_ENA_BIT, 0,
712 NULL, 0),
713
714 /* ROPGA */
715 SND_SOC_DAPM_PGA("ROPGA", WM8991_POWER_MANAGEMENT_3, WM8991_ROPGA_ENA_BIT, 0,
716 NULL, 0),
717
718 /* MICBIAS */
719 SND_SOC_DAPM_SUPPLY("MICBIAS", WM8991_POWER_MANAGEMENT_1,
720 WM8991_MICBIAS_ENA_BIT, 0, NULL, 0),
721
722 SND_SOC_DAPM_OUTPUT("LON"),
723 SND_SOC_DAPM_OUTPUT("LOP"),
724 SND_SOC_DAPM_OUTPUT("OUT3"),
725 SND_SOC_DAPM_OUTPUT("LOUT"),
726 SND_SOC_DAPM_OUTPUT("SPKN"),
727 SND_SOC_DAPM_OUTPUT("SPKP"),
728 SND_SOC_DAPM_OUTPUT("ROUT"),
729 SND_SOC_DAPM_OUTPUT("OUT4"),
730 SND_SOC_DAPM_OUTPUT("ROP"),
731 SND_SOC_DAPM_OUTPUT("RON"),
732 SND_SOC_DAPM_OUTPUT("OUT"),
733
734 SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
735 };
736
737 static const struct snd_soc_dapm_route wm8991_dapm_routes[] = {
738 /* Make DACs turn on when playing even if not mixed into any outputs */
739 {"Internal DAC Sink", NULL, "Left DAC"},
740 {"Internal DAC Sink", NULL, "Right DAC"},
741
742 /* Make ADCs turn on when recording even if not mixed from any inputs */
743 {"Left ADC", NULL, "Internal ADC Source"},
744 {"Right ADC", NULL, "Internal ADC Source"},
745
746 /* Input Side */
747 {"INMIXL", NULL, "INL"},
748 {"AINLMUX", NULL, "INL"},
749 {"INMIXR", NULL, "INR"},
750 {"AINRMUX", NULL, "INR"},
751 /* LIN12 PGA */
752 {"LIN12 PGA", "LIN1 Switch", "LIN1"},
753 {"LIN12 PGA", "LIN2 Switch", "LIN2"},
754 /* LIN34 PGA */
755 {"LIN34 PGA", "LIN3 Switch", "LIN3"},
756 {"LIN34 PGA", "LIN4 Switch", "LIN4RXN"},
757 /* INMIXL */
758 {"INMIXL", "Record Left Volume", "LOMIX"},
759 {"INMIXL", "LIN2 Volume", "LIN2"},
760 {"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
761 {"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
762 /* AINLMUX */
763 {"AINLMUX", "INMIXL Mix", "INMIXL"},
764 {"AINLMUX", "DIFFINL Mix", "LIN12 PGA"},
765 {"AINLMUX", "DIFFINL Mix", "LIN34 PGA"},
766 {"AINLMUX", "RXVOICE Mix", "LIN4RXN"},
767 {"AINLMUX", "RXVOICE Mix", "RIN4RXP"},
768 /* ADC */
769 {"Left ADC", NULL, "AINLMUX"},
770
771 /* RIN12 PGA */
772 {"RIN12 PGA", "RIN1 Switch", "RIN1"},
773 {"RIN12 PGA", "RIN2 Switch", "RIN2"},
774 /* RIN34 PGA */
775 {"RIN34 PGA", "RIN3 Switch", "RIN3"},
776 {"RIN34 PGA", "RIN4 Switch", "RIN4RXP"},
777 /* INMIXL */
778 {"INMIXR", "Record Right Volume", "ROMIX"},
779 {"INMIXR", "RIN2 Volume", "RIN2"},
780 {"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
781 {"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
782 /* AINRMUX */
783 {"AINRMUX", "INMIXR Mix", "INMIXR"},
784 {"AINRMUX", "DIFFINR Mix", "RIN12 PGA"},
785 {"AINRMUX", "DIFFINR Mix", "RIN34 PGA"},
786 {"AINRMUX", "RXVOICE Mix", "LIN4RXN"},
787 {"AINRMUX", "RXVOICE Mix", "RIN4RXP"},
788 /* ADC */
789 {"Right ADC", NULL, "AINRMUX"},
790
791 /* LOMIX */
792 {"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
793 {"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
794 {"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
795 {"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
796 {"LOMIX", "LOMIX Right ADC Bypass Switch", "AINRMUX"},
797 {"LOMIX", "LOMIX Left ADC Bypass Switch", "AINLMUX"},
798 {"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
799
800 /* ROMIX */
801 {"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
802 {"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
803 {"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
804 {"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
805 {"ROMIX", "ROMIX Right ADC Bypass Switch", "AINRMUX"},
806 {"ROMIX", "ROMIX Left ADC Bypass Switch", "AINLMUX"},
807 {"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
808
809 /* SPKMIX */
810 {"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
811 {"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
812 {"SPKMIX", "SPKMIX LADC Bypass Switch", "AINLMUX"},
813 {"SPKMIX", "SPKMIX RADC Bypass Switch", "AINRMUX"},
814 {"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
815 {"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
816 {"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
817 {"SPKMIX", "SPKMIX Left DAC Switch", "Right DAC"},
818
819 /* LONMIX */
820 {"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
821 {"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
822 {"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
823
824 /* LOPMIX */
825 {"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
826 {"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
827 {"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
828
829 /* OUT3MIX */
830 {"OUT3MIX", "OUT3MIX LIN4RXN Bypass Switch", "LIN4RXN"},
831 {"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
832
833 /* OUT4MIX */
834 {"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
835 {"OUT4MIX", "OUT4MIX RIN4RXP Bypass Switch", "RIN4RXP"},
836
837 /* RONMIX */
838 {"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
839 {"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
840 {"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
841
842 /* ROPMIX */
843 {"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
844 {"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
845 {"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
846
847 /* Out Mixer PGAs */
848 {"LOPGA", NULL, "LOMIX"},
849 {"ROPGA", NULL, "ROMIX"},
850
851 {"LOUT PGA", NULL, "LOMIX"},
852 {"ROUT PGA", NULL, "ROMIX"},
853
854 /* Output Pins */
855 {"LON", NULL, "LONMIX"},
856 {"LOP", NULL, "LOPMIX"},
857 {"OUT", NULL, "OUT3MIX"},
858 {"LOUT", NULL, "LOUT PGA"},
859 {"SPKN", NULL, "SPKMIX"},
860 {"ROUT", NULL, "ROUT PGA"},
861 {"OUT4", NULL, "OUT4MIX"},
862 {"ROP", NULL, "ROPMIX"},
863 {"RON", NULL, "RONMIX"},
864 };
865
866 /* PLL divisors */
867 struct _pll_div {
868 u32 div2;
869 u32 n;
870 u32 k;
871 };
872
873 /* The size in bits of the pll divide multiplied by 10
874 * to allow rounding later */
875 #define FIXED_PLL_SIZE ((1 << 16) * 10)
876
pll_factors(struct _pll_div * pll_div,unsigned int target,unsigned int source)877 static void pll_factors(struct _pll_div *pll_div, unsigned int target,
878 unsigned int source)
879 {
880 u64 Kpart;
881 unsigned int K, Ndiv, Nmod;
882
883
884 Ndiv = target / source;
885 if (Ndiv < 6) {
886 source >>= 1;
887 pll_div->div2 = 1;
888 Ndiv = target / source;
889 } else
890 pll_div->div2 = 0;
891
892 if ((Ndiv < 6) || (Ndiv > 12))
893 printk(KERN_WARNING
894 "WM8991 N value outwith recommended range! N = %d\n", Ndiv);
895
896 pll_div->n = Ndiv;
897 Nmod = target % source;
898 Kpart = FIXED_PLL_SIZE * (long long)Nmod;
899
900 do_div(Kpart, source);
901
902 K = Kpart & 0xFFFFFFFF;
903
904 /* Check if we need to round */
905 if ((K % 10) >= 5)
906 K += 5;
907
908 /* Move down to proper range now rounding is done */
909 K /= 10;
910
911 pll_div->k = K;
912 }
913
wm8991_set_dai_pll(struct snd_soc_dai * codec_dai,int pll_id,int src,unsigned int freq_in,unsigned int freq_out)914 static int wm8991_set_dai_pll(struct snd_soc_dai *codec_dai,
915 int pll_id, int src, unsigned int freq_in, unsigned int freq_out)
916 {
917 u16 reg;
918 struct snd_soc_component *component = codec_dai->component;
919 struct _pll_div pll_div;
920
921 if (freq_in && freq_out) {
922 pll_factors(&pll_div, freq_out * 4, freq_in);
923
924 /* Turn on PLL */
925 reg = snd_soc_component_read(component, WM8991_POWER_MANAGEMENT_2);
926 reg |= WM8991_PLL_ENA;
927 snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_2, reg);
928
929 /* sysclk comes from PLL */
930 reg = snd_soc_component_read(component, WM8991_CLOCKING_2);
931 snd_soc_component_write(component, WM8991_CLOCKING_2, reg | WM8991_SYSCLK_SRC);
932
933 /* set up N , fractional mode and pre-divisor if necessary */
934 snd_soc_component_write(component, WM8991_PLL1, pll_div.n | WM8991_SDM |
935 (pll_div.div2 ? WM8991_PRESCALE : 0));
936 snd_soc_component_write(component, WM8991_PLL2, (u8)(pll_div.k>>8));
937 snd_soc_component_write(component, WM8991_PLL3, (u8)(pll_div.k & 0xFF));
938 } else {
939 /* Turn on PLL */
940 reg = snd_soc_component_read(component, WM8991_POWER_MANAGEMENT_2);
941 reg &= ~WM8991_PLL_ENA;
942 snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_2, reg);
943 }
944 return 0;
945 }
946
947 /*
948 * Set's ADC and Voice DAC format.
949 */
wm8991_set_dai_fmt(struct snd_soc_dai * codec_dai,unsigned int fmt)950 static int wm8991_set_dai_fmt(struct snd_soc_dai *codec_dai,
951 unsigned int fmt)
952 {
953 struct snd_soc_component *component = codec_dai->component;
954 u16 audio1, audio3;
955
956 audio1 = snd_soc_component_read(component, WM8991_AUDIO_INTERFACE_1);
957 audio3 = snd_soc_component_read(component, WM8991_AUDIO_INTERFACE_3);
958
959 /* set master/slave audio interface */
960 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
961 case SND_SOC_DAIFMT_CBS_CFS:
962 audio3 &= ~WM8991_AIF_MSTR1;
963 break;
964 case SND_SOC_DAIFMT_CBM_CFM:
965 audio3 |= WM8991_AIF_MSTR1;
966 break;
967 default:
968 return -EINVAL;
969 }
970
971 audio1 &= ~WM8991_AIF_FMT_MASK;
972
973 /* interface format */
974 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
975 case SND_SOC_DAIFMT_I2S:
976 audio1 |= WM8991_AIF_TMF_I2S;
977 audio1 &= ~WM8991_AIF_LRCLK_INV;
978 break;
979 case SND_SOC_DAIFMT_RIGHT_J:
980 audio1 |= WM8991_AIF_TMF_RIGHTJ;
981 audio1 &= ~WM8991_AIF_LRCLK_INV;
982 break;
983 case SND_SOC_DAIFMT_LEFT_J:
984 audio1 |= WM8991_AIF_TMF_LEFTJ;
985 audio1 &= ~WM8991_AIF_LRCLK_INV;
986 break;
987 case SND_SOC_DAIFMT_DSP_A:
988 audio1 |= WM8991_AIF_TMF_DSP;
989 audio1 &= ~WM8991_AIF_LRCLK_INV;
990 break;
991 case SND_SOC_DAIFMT_DSP_B:
992 audio1 |= WM8991_AIF_TMF_DSP | WM8991_AIF_LRCLK_INV;
993 break;
994 default:
995 return -EINVAL;
996 }
997
998 snd_soc_component_write(component, WM8991_AUDIO_INTERFACE_1, audio1);
999 snd_soc_component_write(component, WM8991_AUDIO_INTERFACE_3, audio3);
1000 return 0;
1001 }
1002
wm8991_set_dai_clkdiv(struct snd_soc_dai * codec_dai,int div_id,int div)1003 static int wm8991_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
1004 int div_id, int div)
1005 {
1006 struct snd_soc_component *component = codec_dai->component;
1007 u16 reg;
1008
1009 switch (div_id) {
1010 case WM8991_MCLK_DIV:
1011 reg = snd_soc_component_read(component, WM8991_CLOCKING_2) &
1012 ~WM8991_MCLK_DIV_MASK;
1013 snd_soc_component_write(component, WM8991_CLOCKING_2, reg | div);
1014 break;
1015 case WM8991_DACCLK_DIV:
1016 reg = snd_soc_component_read(component, WM8991_CLOCKING_2) &
1017 ~WM8991_DAC_CLKDIV_MASK;
1018 snd_soc_component_write(component, WM8991_CLOCKING_2, reg | div);
1019 break;
1020 case WM8991_ADCCLK_DIV:
1021 reg = snd_soc_component_read(component, WM8991_CLOCKING_2) &
1022 ~WM8991_ADC_CLKDIV_MASK;
1023 snd_soc_component_write(component, WM8991_CLOCKING_2, reg | div);
1024 break;
1025 case WM8991_BCLK_DIV:
1026 reg = snd_soc_component_read(component, WM8991_CLOCKING_1) &
1027 ~WM8991_BCLK_DIV_MASK;
1028 snd_soc_component_write(component, WM8991_CLOCKING_1, reg | div);
1029 break;
1030 default:
1031 return -EINVAL;
1032 }
1033
1034 return 0;
1035 }
1036
1037 /*
1038 * Set PCM DAI bit size and sample rate.
1039 */
wm8991_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)1040 static int wm8991_hw_params(struct snd_pcm_substream *substream,
1041 struct snd_pcm_hw_params *params,
1042 struct snd_soc_dai *dai)
1043 {
1044 struct snd_soc_component *component = dai->component;
1045 u16 audio1 = snd_soc_component_read(component, WM8991_AUDIO_INTERFACE_1);
1046
1047 audio1 &= ~WM8991_AIF_WL_MASK;
1048 /* bit size */
1049 switch (params_width(params)) {
1050 case 16:
1051 break;
1052 case 20:
1053 audio1 |= WM8991_AIF_WL_20BITS;
1054 break;
1055 case 24:
1056 audio1 |= WM8991_AIF_WL_24BITS;
1057 break;
1058 case 32:
1059 audio1 |= WM8991_AIF_WL_32BITS;
1060 break;
1061 }
1062
1063 snd_soc_component_write(component, WM8991_AUDIO_INTERFACE_1, audio1);
1064 return 0;
1065 }
1066
wm8991_mute(struct snd_soc_dai * dai,int mute,int direction)1067 static int wm8991_mute(struct snd_soc_dai *dai, int mute, int direction)
1068 {
1069 struct snd_soc_component *component = dai->component;
1070 u16 val;
1071
1072 val = snd_soc_component_read(component, WM8991_DAC_CTRL) & ~WM8991_DAC_MUTE;
1073 if (mute)
1074 snd_soc_component_write(component, WM8991_DAC_CTRL, val | WM8991_DAC_MUTE);
1075 else
1076 snd_soc_component_write(component, WM8991_DAC_CTRL, val);
1077 return 0;
1078 }
1079
wm8991_set_bias_level(struct snd_soc_component * component,enum snd_soc_bias_level level)1080 static int wm8991_set_bias_level(struct snd_soc_component *component,
1081 enum snd_soc_bias_level level)
1082 {
1083 struct wm8991_priv *wm8991 = snd_soc_component_get_drvdata(component);
1084 u16 val;
1085
1086 switch (level) {
1087 case SND_SOC_BIAS_ON:
1088 break;
1089
1090 case SND_SOC_BIAS_PREPARE:
1091 /* VMID=2*50k */
1092 val = snd_soc_component_read(component, WM8991_POWER_MANAGEMENT_1) &
1093 ~WM8991_VMID_MODE_MASK;
1094 snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, val | 0x2);
1095 break;
1096
1097 case SND_SOC_BIAS_STANDBY:
1098 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1099 regcache_sync(wm8991->regmap);
1100 /* Enable all output discharge bits */
1101 snd_soc_component_write(component, WM8991_ANTIPOP1, WM8991_DIS_LLINE |
1102 WM8991_DIS_RLINE | WM8991_DIS_OUT3 |
1103 WM8991_DIS_OUT4 | WM8991_DIS_LOUT |
1104 WM8991_DIS_ROUT);
1105
1106 /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
1107 snd_soc_component_write(component, WM8991_ANTIPOP2, WM8991_SOFTST |
1108 WM8991_BUFDCOPEN | WM8991_POBCTRL |
1109 WM8991_VMIDTOG);
1110
1111 /* Delay to allow output caps to discharge */
1112 msleep(300);
1113
1114 /* Disable VMIDTOG */
1115 snd_soc_component_write(component, WM8991_ANTIPOP2, WM8991_SOFTST |
1116 WM8991_BUFDCOPEN | WM8991_POBCTRL);
1117
1118 /* disable all output discharge bits */
1119 snd_soc_component_write(component, WM8991_ANTIPOP1, 0);
1120
1121 /* Enable outputs */
1122 snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, 0x1b00);
1123
1124 msleep(50);
1125
1126 /* Enable VMID at 2x50k */
1127 snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, 0x1f02);
1128
1129 msleep(100);
1130
1131 /* Enable VREF */
1132 snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, 0x1f03);
1133
1134 msleep(600);
1135
1136 /* Enable BUFIOEN */
1137 snd_soc_component_write(component, WM8991_ANTIPOP2, WM8991_SOFTST |
1138 WM8991_BUFDCOPEN | WM8991_POBCTRL |
1139 WM8991_BUFIOEN);
1140
1141 /* Disable outputs */
1142 snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, 0x3);
1143
1144 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1145 snd_soc_component_write(component, WM8991_ANTIPOP2, WM8991_BUFIOEN);
1146 }
1147
1148 /* VMID=2*250k */
1149 val = snd_soc_component_read(component, WM8991_POWER_MANAGEMENT_1) &
1150 ~WM8991_VMID_MODE_MASK;
1151 snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, val | 0x4);
1152 break;
1153
1154 case SND_SOC_BIAS_OFF:
1155 /* Enable POBCTRL and SOFT_ST */
1156 snd_soc_component_write(component, WM8991_ANTIPOP2, WM8991_SOFTST |
1157 WM8991_POBCTRL | WM8991_BUFIOEN);
1158
1159 /* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
1160 snd_soc_component_write(component, WM8991_ANTIPOP2, WM8991_SOFTST |
1161 WM8991_BUFDCOPEN | WM8991_POBCTRL |
1162 WM8991_BUFIOEN);
1163
1164 /* mute DAC */
1165 val = snd_soc_component_read(component, WM8991_DAC_CTRL);
1166 snd_soc_component_write(component, WM8991_DAC_CTRL, val | WM8991_DAC_MUTE);
1167
1168 /* Enable any disabled outputs */
1169 snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, 0x1f03);
1170
1171 /* Disable VMID */
1172 snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, 0x1f01);
1173
1174 msleep(300);
1175
1176 /* Enable all output discharge bits */
1177 snd_soc_component_write(component, WM8991_ANTIPOP1, WM8991_DIS_LLINE |
1178 WM8991_DIS_RLINE | WM8991_DIS_OUT3 |
1179 WM8991_DIS_OUT4 | WM8991_DIS_LOUT |
1180 WM8991_DIS_ROUT);
1181
1182 /* Disable VREF */
1183 snd_soc_component_write(component, WM8991_POWER_MANAGEMENT_1, 0x0);
1184
1185 /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
1186 snd_soc_component_write(component, WM8991_ANTIPOP2, 0x0);
1187 regcache_mark_dirty(wm8991->regmap);
1188 break;
1189 }
1190
1191 return 0;
1192 }
1193
1194 #define WM8991_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1195 SNDRV_PCM_FMTBIT_S24_LE)
1196
1197 static const struct snd_soc_dai_ops wm8991_ops = {
1198 .hw_params = wm8991_hw_params,
1199 .mute_stream = wm8991_mute,
1200 .set_fmt = wm8991_set_dai_fmt,
1201 .set_clkdiv = wm8991_set_dai_clkdiv,
1202 .set_pll = wm8991_set_dai_pll,
1203 .no_capture_mute = 1,
1204 };
1205
1206 /*
1207 * The WM8991 supports 2 different and mutually exclusive DAI
1208 * configurations.
1209 *
1210 * 1. ADC/DAC on Primary Interface
1211 * 2. ADC on Primary Interface/DAC on secondary
1212 */
1213 static struct snd_soc_dai_driver wm8991_dai = {
1214 /* ADC/DAC on primary */
1215 .name = "wm8991",
1216 .id = 1,
1217 .playback = {
1218 .stream_name = "Playback",
1219 .channels_min = 1,
1220 .channels_max = 2,
1221 .rates = SNDRV_PCM_RATE_8000_96000,
1222 .formats = WM8991_FORMATS
1223 },
1224 .capture = {
1225 .stream_name = "Capture",
1226 .channels_min = 1,
1227 .channels_max = 2,
1228 .rates = SNDRV_PCM_RATE_8000_96000,
1229 .formats = WM8991_FORMATS
1230 },
1231 .ops = &wm8991_ops
1232 };
1233
1234 static const struct snd_soc_component_driver soc_component_dev_wm8991 = {
1235 .set_bias_level = wm8991_set_bias_level,
1236 .controls = wm8991_snd_controls,
1237 .num_controls = ARRAY_SIZE(wm8991_snd_controls),
1238 .dapm_widgets = wm8991_dapm_widgets,
1239 .num_dapm_widgets = ARRAY_SIZE(wm8991_dapm_widgets),
1240 .dapm_routes = wm8991_dapm_routes,
1241 .num_dapm_routes = ARRAY_SIZE(wm8991_dapm_routes),
1242 .suspend_bias_off = 1,
1243 .idle_bias_on = 1,
1244 .use_pmdown_time = 1,
1245 .endianness = 1,
1246 };
1247
1248 static const struct regmap_config wm8991_regmap = {
1249 .reg_bits = 8,
1250 .val_bits = 16,
1251
1252 .max_register = WM8991_PLL3,
1253 .volatile_reg = wm8991_volatile,
1254 .reg_defaults = wm8991_reg_defaults,
1255 .num_reg_defaults = ARRAY_SIZE(wm8991_reg_defaults),
1256 .cache_type = REGCACHE_MAPLE,
1257 };
1258
wm8991_i2c_probe(struct i2c_client * i2c)1259 static int wm8991_i2c_probe(struct i2c_client *i2c)
1260 {
1261 struct wm8991_priv *wm8991;
1262 unsigned int val;
1263 int ret;
1264
1265 wm8991 = devm_kzalloc(&i2c->dev, sizeof(*wm8991), GFP_KERNEL);
1266 if (!wm8991)
1267 return -ENOMEM;
1268
1269 wm8991->regmap = devm_regmap_init_i2c(i2c, &wm8991_regmap);
1270 if (IS_ERR(wm8991->regmap))
1271 return PTR_ERR(wm8991->regmap);
1272
1273 i2c_set_clientdata(i2c, wm8991);
1274
1275 ret = regmap_read(wm8991->regmap, WM8991_RESET, &val);
1276 if (ret != 0) {
1277 dev_err(&i2c->dev, "Failed to read device ID: %d\n", ret);
1278 return ret;
1279 }
1280 if (val != 0x8991) {
1281 dev_err(&i2c->dev, "Device with ID %x is not a WM8991\n", val);
1282 return -EINVAL;
1283 }
1284
1285 ret = regmap_write(wm8991->regmap, WM8991_RESET, 0);
1286 if (ret < 0) {
1287 dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret);
1288 return ret;
1289 }
1290
1291 regmap_update_bits(wm8991->regmap, WM8991_AUDIO_INTERFACE_4,
1292 WM8991_ALRCGPIO1, WM8991_ALRCGPIO1);
1293
1294 regmap_update_bits(wm8991->regmap, WM8991_GPIO1_GPIO2,
1295 WM8991_GPIO1_SEL_MASK, 1);
1296
1297 regmap_update_bits(wm8991->regmap, WM8991_POWER_MANAGEMENT_1,
1298 WM8991_VREF_ENA | WM8991_VMID_MODE_MASK,
1299 WM8991_VREF_ENA | WM8991_VMID_MODE_MASK);
1300
1301 regmap_update_bits(wm8991->regmap, WM8991_POWER_MANAGEMENT_2,
1302 WM8991_OPCLK_ENA, WM8991_OPCLK_ENA);
1303
1304 regmap_write(wm8991->regmap, WM8991_DAC_CTRL, 0);
1305 regmap_write(wm8991->regmap, WM8991_LEFT_OUTPUT_VOLUME,
1306 0x50 | (1<<8));
1307 regmap_write(wm8991->regmap, WM8991_RIGHT_OUTPUT_VOLUME,
1308 0x50 | (1<<8));
1309
1310 ret = devm_snd_soc_register_component(&i2c->dev,
1311 &soc_component_dev_wm8991, &wm8991_dai, 1);
1312
1313 return ret;
1314 }
1315
1316 static const struct i2c_device_id wm8991_i2c_id[] = {
1317 { "wm8991", 0 },
1318 { }
1319 };
1320 MODULE_DEVICE_TABLE(i2c, wm8991_i2c_id);
1321
1322 static struct i2c_driver wm8991_i2c_driver = {
1323 .driver = {
1324 .name = "wm8991",
1325 },
1326 .probe = wm8991_i2c_probe,
1327 .id_table = wm8991_i2c_id,
1328 };
1329
1330 module_i2c_driver(wm8991_i2c_driver);
1331
1332 MODULE_DESCRIPTION("ASoC WM8991 driver");
1333 MODULE_AUTHOR("Graeme Gregory");
1334 MODULE_LICENSE("GPL");
1335