Loading...
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * wm8983.c -- WM8983 ALSA SoC Audio driver
4 *
5 * Copyright 2011 Wolfson Microelectronics plc
6 *
7 * Author: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
8 */
9
10#include <linux/module.h>
11#include <linux/moduleparam.h>
12#include <linux/init.h>
13#include <linux/delay.h>
14#include <linux/pm.h>
15#include <linux/i2c.h>
16#include <linux/regmap.h>
17#include <linux/spi/spi.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/initval.h>
24#include <sound/tlv.h>
25
26#include "wm8983.h"
27
28static const struct reg_default wm8983_defaults[] = {
29 { 0x01, 0x0000 }, /* R1 - Power management 1 */
30 { 0x02, 0x0000 }, /* R2 - Power management 2 */
31 { 0x03, 0x0000 }, /* R3 - Power management 3 */
32 { 0x04, 0x0050 }, /* R4 - Audio Interface */
33 { 0x05, 0x0000 }, /* R5 - Companding control */
34 { 0x06, 0x0140 }, /* R6 - Clock Gen control */
35 { 0x07, 0x0000 }, /* R7 - Additional control */
36 { 0x08, 0x0000 }, /* R8 - GPIO Control */
37 { 0x09, 0x0000 }, /* R9 - Jack Detect Control 1 */
38 { 0x0A, 0x0000 }, /* R10 - DAC Control */
39 { 0x0B, 0x00FF }, /* R11 - Left DAC digital Vol */
40 { 0x0C, 0x00FF }, /* R12 - Right DAC digital vol */
41 { 0x0D, 0x0000 }, /* R13 - Jack Detect Control 2 */
42 { 0x0E, 0x0100 }, /* R14 - ADC Control */
43 { 0x0F, 0x00FF }, /* R15 - Left ADC Digital Vol */
44 { 0x10, 0x00FF }, /* R16 - Right ADC Digital Vol */
45 { 0x12, 0x012C }, /* R18 - EQ1 - low shelf */
46 { 0x13, 0x002C }, /* R19 - EQ2 - peak 1 */
47 { 0x14, 0x002C }, /* R20 - EQ3 - peak 2 */
48 { 0x15, 0x002C }, /* R21 - EQ4 - peak 3 */
49 { 0x16, 0x002C }, /* R22 - EQ5 - high shelf */
50 { 0x18, 0x0032 }, /* R24 - DAC Limiter 1 */
51 { 0x19, 0x0000 }, /* R25 - DAC Limiter 2 */
52 { 0x1B, 0x0000 }, /* R27 - Notch Filter 1 */
53 { 0x1C, 0x0000 }, /* R28 - Notch Filter 2 */
54 { 0x1D, 0x0000 }, /* R29 - Notch Filter 3 */
55 { 0x1E, 0x0000 }, /* R30 - Notch Filter 4 */
56 { 0x20, 0x0038 }, /* R32 - ALC control 1 */
57 { 0x21, 0x000B }, /* R33 - ALC control 2 */
58 { 0x22, 0x0032 }, /* R34 - ALC control 3 */
59 { 0x23, 0x0000 }, /* R35 - Noise Gate */
60 { 0x24, 0x0008 }, /* R36 - PLL N */
61 { 0x25, 0x000C }, /* R37 - PLL K 1 */
62 { 0x26, 0x0093 }, /* R38 - PLL K 2 */
63 { 0x27, 0x00E9 }, /* R39 - PLL K 3 */
64 { 0x29, 0x0000 }, /* R41 - 3D control */
65 { 0x2A, 0x0000 }, /* R42 - OUT4 to ADC */
66 { 0x2B, 0x0000 }, /* R43 - Beep control */
67 { 0x2C, 0x0033 }, /* R44 - Input ctrl */
68 { 0x2D, 0x0010 }, /* R45 - Left INP PGA gain ctrl */
69 { 0x2E, 0x0010 }, /* R46 - Right INP PGA gain ctrl */
70 { 0x2F, 0x0100 }, /* R47 - Left ADC BOOST ctrl */
71 { 0x30, 0x0100 }, /* R48 - Right ADC BOOST ctrl */
72 { 0x31, 0x0002 }, /* R49 - Output ctrl */
73 { 0x32, 0x0001 }, /* R50 - Left mixer ctrl */
74 { 0x33, 0x0001 }, /* R51 - Right mixer ctrl */
75 { 0x34, 0x0039 }, /* R52 - LOUT1 (HP) volume ctrl */
76 { 0x35, 0x0039 }, /* R53 - ROUT1 (HP) volume ctrl */
77 { 0x36, 0x0039 }, /* R54 - LOUT2 (SPK) volume ctrl */
78 { 0x37, 0x0039 }, /* R55 - ROUT2 (SPK) volume ctrl */
79 { 0x38, 0x0001 }, /* R56 - OUT3 mixer ctrl */
80 { 0x39, 0x0001 }, /* R57 - OUT4 (MONO) mix ctrl */
81 { 0x3D, 0x0000 }, /* R61 - BIAS CTRL */
82};
83
84/* vol/gain update regs */
85static const int vol_update_regs[] = {
86 WM8983_LEFT_DAC_DIGITAL_VOL,
87 WM8983_RIGHT_DAC_DIGITAL_VOL,
88 WM8983_LEFT_ADC_DIGITAL_VOL,
89 WM8983_RIGHT_ADC_DIGITAL_VOL,
90 WM8983_LOUT1_HP_VOLUME_CTRL,
91 WM8983_ROUT1_HP_VOLUME_CTRL,
92 WM8983_LOUT2_SPK_VOLUME_CTRL,
93 WM8983_ROUT2_SPK_VOLUME_CTRL,
94 WM8983_LEFT_INP_PGA_GAIN_CTRL,
95 WM8983_RIGHT_INP_PGA_GAIN_CTRL
96};
97
98struct wm8983_priv {
99 struct regmap *regmap;
100 u32 sysclk;
101 u32 bclk;
102};
103
104static const struct {
105 int div;
106 int ratio;
107} fs_ratios[] = {
108 { 10, 128 },
109 { 15, 192 },
110 { 20, 256 },
111 { 30, 384 },
112 { 40, 512 },
113 { 60, 768 },
114 { 80, 1024 },
115 { 120, 1536 }
116};
117
118static const int srates[] = { 48000, 32000, 24000, 16000, 12000, 8000 };
119
120static const int bclk_divs[] = {
121 1, 2, 4, 8, 16, 32
122};
123
124static int eqmode_get(struct snd_kcontrol *kcontrol,
125 struct snd_ctl_elem_value *ucontrol);
126static int eqmode_put(struct snd_kcontrol *kcontrol,
127 struct snd_ctl_elem_value *ucontrol);
128
129static const DECLARE_TLV_DB_SCALE(dac_tlv, -12700, 50, 1);
130static const DECLARE_TLV_DB_SCALE(adc_tlv, -12700, 50, 1);
131static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0);
132static const DECLARE_TLV_DB_SCALE(lim_thresh_tlv, -600, 100, 0);
133static const DECLARE_TLV_DB_SCALE(lim_boost_tlv, 0, 100, 0);
134static const DECLARE_TLV_DB_SCALE(alc_min_tlv, -1200, 600, 0);
135static const DECLARE_TLV_DB_SCALE(alc_max_tlv, -675, 600, 0);
136static const DECLARE_TLV_DB_SCALE(alc_tar_tlv, -2250, 150, 0);
137static const DECLARE_TLV_DB_SCALE(pga_vol_tlv, -1200, 75, 0);
138static const DECLARE_TLV_DB_SCALE(boost_tlv, -1200, 300, 1);
139static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
140static const DECLARE_TLV_DB_SCALE(aux_tlv, -1500, 300, 0);
141static const DECLARE_TLV_DB_SCALE(bypass_tlv, -1500, 300, 0);
142static const DECLARE_TLV_DB_SCALE(pga_boost_tlv, 0, 2000, 0);
143
144static const char *alc_sel_text[] = { "Off", "Right", "Left", "Stereo" };
145static SOC_ENUM_SINGLE_DECL(alc_sel, WM8983_ALC_CONTROL_1, 7, alc_sel_text);
146
147static const char *alc_mode_text[] = { "ALC", "Limiter" };
148static SOC_ENUM_SINGLE_DECL(alc_mode, WM8983_ALC_CONTROL_3, 8, alc_mode_text);
149
150static const char *filter_mode_text[] = { "Audio", "Application" };
151static SOC_ENUM_SINGLE_DECL(filter_mode, WM8983_ADC_CONTROL, 7,
152 filter_mode_text);
153
154static const char *eq_bw_text[] = { "Narrow", "Wide" };
155static const char *eqmode_text[] = { "Capture", "Playback" };
156static SOC_ENUM_SINGLE_EXT_DECL(eqmode, eqmode_text);
157
158static const char *eq1_cutoff_text[] = {
159 "80Hz", "105Hz", "135Hz", "175Hz"
160};
161static SOC_ENUM_SINGLE_DECL(eq1_cutoff, WM8983_EQ1_LOW_SHELF, 5,
162 eq1_cutoff_text);
163static const char *eq2_cutoff_text[] = {
164 "230Hz", "300Hz", "385Hz", "500Hz"
165};
166static SOC_ENUM_SINGLE_DECL(eq2_bw, WM8983_EQ2_PEAK_1, 8, eq_bw_text);
167static SOC_ENUM_SINGLE_DECL(eq2_cutoff, WM8983_EQ2_PEAK_1, 5, eq2_cutoff_text);
168static const char *eq3_cutoff_text[] = {
169 "650Hz", "850Hz", "1.1kHz", "1.4kHz"
170};
171static SOC_ENUM_SINGLE_DECL(eq3_bw, WM8983_EQ3_PEAK_2, 8, eq_bw_text);
172static SOC_ENUM_SINGLE_DECL(eq3_cutoff, WM8983_EQ3_PEAK_2, 5, eq3_cutoff_text);
173static const char *eq4_cutoff_text[] = {
174 "1.8kHz", "2.4kHz", "3.2kHz", "4.1kHz"
175};
176static SOC_ENUM_SINGLE_DECL(eq4_bw, WM8983_EQ4_PEAK_3, 8, eq_bw_text);
177static SOC_ENUM_SINGLE_DECL(eq4_cutoff, WM8983_EQ4_PEAK_3, 5, eq4_cutoff_text);
178static const char *eq5_cutoff_text[] = {
179 "5.3kHz", "6.9kHz", "9kHz", "11.7kHz"
180};
181static SOC_ENUM_SINGLE_DECL(eq5_cutoff, WM8983_EQ5_HIGH_SHELF, 5,
182 eq5_cutoff_text);
183
184static const char *depth_3d_text[] = {
185 "Off",
186 "6.67%",
187 "13.3%",
188 "20%",
189 "26.7%",
190 "33.3%",
191 "40%",
192 "46.6%",
193 "53.3%",
194 "60%",
195 "66.7%",
196 "73.3%",
197 "80%",
198 "86.7%",
199 "93.3%",
200 "100%"
201};
202static SOC_ENUM_SINGLE_DECL(depth_3d, WM8983_3D_CONTROL, 0,
203 depth_3d_text);
204
205static const struct snd_kcontrol_new wm8983_snd_controls[] = {
206 SOC_SINGLE("Digital Loopback Switch", WM8983_COMPANDING_CONTROL,
207 0, 1, 0),
208
209 SOC_ENUM("ALC Capture Function", alc_sel),
210 SOC_SINGLE_TLV("ALC Capture Max Volume", WM8983_ALC_CONTROL_1,
211 3, 7, 0, alc_max_tlv),
212 SOC_SINGLE_TLV("ALC Capture Min Volume", WM8983_ALC_CONTROL_1,
213 0, 7, 0, alc_min_tlv),
214 SOC_SINGLE_TLV("ALC Capture Target Volume", WM8983_ALC_CONTROL_2,
215 0, 15, 0, alc_tar_tlv),
216 SOC_SINGLE("ALC Capture Attack", WM8983_ALC_CONTROL_3, 0, 10, 0),
217 SOC_SINGLE("ALC Capture Hold", WM8983_ALC_CONTROL_2, 4, 10, 0),
218 SOC_SINGLE("ALC Capture Decay", WM8983_ALC_CONTROL_3, 4, 10, 0),
219 SOC_ENUM("ALC Mode", alc_mode),
220 SOC_SINGLE("ALC Capture NG Switch", WM8983_NOISE_GATE,
221 3, 1, 0),
222 SOC_SINGLE("ALC Capture NG Threshold", WM8983_NOISE_GATE,
223 0, 7, 1),
224
225 SOC_DOUBLE_R_TLV("Capture Volume", WM8983_LEFT_ADC_DIGITAL_VOL,
226 WM8983_RIGHT_ADC_DIGITAL_VOL, 0, 255, 0, adc_tlv),
227 SOC_DOUBLE_R("Capture PGA ZC Switch", WM8983_LEFT_INP_PGA_GAIN_CTRL,
228 WM8983_RIGHT_INP_PGA_GAIN_CTRL, 7, 1, 0),
229 SOC_DOUBLE_R_TLV("Capture PGA Volume", WM8983_LEFT_INP_PGA_GAIN_CTRL,
230 WM8983_RIGHT_INP_PGA_GAIN_CTRL, 0, 63, 0, pga_vol_tlv),
231
232 SOC_DOUBLE_R_TLV("Capture PGA Boost Volume",
233 WM8983_LEFT_ADC_BOOST_CTRL, WM8983_RIGHT_ADC_BOOST_CTRL,
234 8, 1, 0, pga_boost_tlv),
235
236 SOC_DOUBLE("ADC Inversion Switch", WM8983_ADC_CONTROL, 0, 1, 1, 0),
237 SOC_SINGLE("ADC 128x Oversampling Switch", WM8983_ADC_CONTROL, 8, 1, 0),
238
239 SOC_DOUBLE_R_TLV("Playback Volume", WM8983_LEFT_DAC_DIGITAL_VOL,
240 WM8983_RIGHT_DAC_DIGITAL_VOL, 0, 255, 0, dac_tlv),
241
242 SOC_SINGLE("DAC Playback Limiter Switch", WM8983_DAC_LIMITER_1, 8, 1, 0),
243 SOC_SINGLE("DAC Playback Limiter Decay", WM8983_DAC_LIMITER_1, 4, 10, 0),
244 SOC_SINGLE("DAC Playback Limiter Attack", WM8983_DAC_LIMITER_1, 0, 11, 0),
245 SOC_SINGLE_TLV("DAC Playback Limiter Threshold", WM8983_DAC_LIMITER_2,
246 4, 7, 1, lim_thresh_tlv),
247 SOC_SINGLE_TLV("DAC Playback Limiter Boost Volume", WM8983_DAC_LIMITER_2,
248 0, 12, 0, lim_boost_tlv),
249 SOC_DOUBLE("DAC Inversion Switch", WM8983_DAC_CONTROL, 0, 1, 1, 0),
250 SOC_SINGLE("DAC Auto Mute Switch", WM8983_DAC_CONTROL, 2, 1, 0),
251 SOC_SINGLE("DAC 128x Oversampling Switch", WM8983_DAC_CONTROL, 3, 1, 0),
252
253 SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8983_LOUT1_HP_VOLUME_CTRL,
254 WM8983_ROUT1_HP_VOLUME_CTRL, 0, 63, 0, out_tlv),
255 SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8983_LOUT1_HP_VOLUME_CTRL,
256 WM8983_ROUT1_HP_VOLUME_CTRL, 7, 1, 0),
257 SOC_DOUBLE_R("Headphone Switch", WM8983_LOUT1_HP_VOLUME_CTRL,
258 WM8983_ROUT1_HP_VOLUME_CTRL, 6, 1, 1),
259
260 SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8983_LOUT2_SPK_VOLUME_CTRL,
261 WM8983_ROUT2_SPK_VOLUME_CTRL, 0, 63, 0, out_tlv),
262 SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8983_LOUT2_SPK_VOLUME_CTRL,
263 WM8983_ROUT2_SPK_VOLUME_CTRL, 7, 1, 0),
264 SOC_DOUBLE_R("Speaker Switch", WM8983_LOUT2_SPK_VOLUME_CTRL,
265 WM8983_ROUT2_SPK_VOLUME_CTRL, 6, 1, 1),
266
267 SOC_SINGLE("OUT3 Switch", WM8983_OUT3_MIXER_CTRL,
268 6, 1, 1),
269
270 SOC_SINGLE("OUT4 Switch", WM8983_OUT4_MONO_MIX_CTRL,
271 6, 1, 1),
272
273 SOC_SINGLE("High Pass Filter Switch", WM8983_ADC_CONTROL, 8, 1, 0),
274 SOC_ENUM("High Pass Filter Mode", filter_mode),
275 SOC_SINGLE("High Pass Filter Cutoff", WM8983_ADC_CONTROL, 4, 7, 0),
276
277 SOC_DOUBLE_R_TLV("Aux Bypass Volume",
278 WM8983_LEFT_MIXER_CTRL, WM8983_RIGHT_MIXER_CTRL, 6, 7, 0,
279 aux_tlv),
280
281 SOC_DOUBLE_R_TLV("Input PGA Bypass Volume",
282 WM8983_LEFT_MIXER_CTRL, WM8983_RIGHT_MIXER_CTRL, 2, 7, 0,
283 bypass_tlv),
284
285 SOC_ENUM_EXT("Equalizer Function", eqmode, eqmode_get, eqmode_put),
286 SOC_ENUM("EQ1 Cutoff", eq1_cutoff),
287 SOC_SINGLE_TLV("EQ1 Volume", WM8983_EQ1_LOW_SHELF, 0, 24, 1, eq_tlv),
288 SOC_ENUM("EQ2 Bandwidth", eq2_bw),
289 SOC_ENUM("EQ2 Cutoff", eq2_cutoff),
290 SOC_SINGLE_TLV("EQ2 Volume", WM8983_EQ2_PEAK_1, 0, 24, 1, eq_tlv),
291 SOC_ENUM("EQ3 Bandwidth", eq3_bw),
292 SOC_ENUM("EQ3 Cutoff", eq3_cutoff),
293 SOC_SINGLE_TLV("EQ3 Volume", WM8983_EQ3_PEAK_2, 0, 24, 1, eq_tlv),
294 SOC_ENUM("EQ4 Bandwidth", eq4_bw),
295 SOC_ENUM("EQ4 Cutoff", eq4_cutoff),
296 SOC_SINGLE_TLV("EQ4 Volume", WM8983_EQ4_PEAK_3, 0, 24, 1, eq_tlv),
297 SOC_ENUM("EQ5 Cutoff", eq5_cutoff),
298 SOC_SINGLE_TLV("EQ5 Volume", WM8983_EQ5_HIGH_SHELF, 0, 24, 1, eq_tlv),
299
300 SOC_ENUM("3D Depth", depth_3d),
301};
302
303static const struct snd_kcontrol_new left_out_mixer[] = {
304 SOC_DAPM_SINGLE("Line Switch", WM8983_LEFT_MIXER_CTRL, 1, 1, 0),
305 SOC_DAPM_SINGLE("Aux Switch", WM8983_LEFT_MIXER_CTRL, 5, 1, 0),
306 SOC_DAPM_SINGLE("PCM Switch", WM8983_LEFT_MIXER_CTRL, 0, 1, 0),
307};
308
309static const struct snd_kcontrol_new right_out_mixer[] = {
310 SOC_DAPM_SINGLE("Line Switch", WM8983_RIGHT_MIXER_CTRL, 1, 1, 0),
311 SOC_DAPM_SINGLE("Aux Switch", WM8983_RIGHT_MIXER_CTRL, 5, 1, 0),
312 SOC_DAPM_SINGLE("PCM Switch", WM8983_RIGHT_MIXER_CTRL, 0, 1, 0),
313};
314
315static const struct snd_kcontrol_new left_input_mixer[] = {
316 SOC_DAPM_SINGLE("L2 Switch", WM8983_INPUT_CTRL, 2, 1, 0),
317 SOC_DAPM_SINGLE("MicN Switch", WM8983_INPUT_CTRL, 1, 1, 0),
318 SOC_DAPM_SINGLE("MicP Switch", WM8983_INPUT_CTRL, 0, 1, 0),
319};
320
321static const struct snd_kcontrol_new right_input_mixer[] = {
322 SOC_DAPM_SINGLE("R2 Switch", WM8983_INPUT_CTRL, 6, 1, 0),
323 SOC_DAPM_SINGLE("MicN Switch", WM8983_INPUT_CTRL, 5, 1, 0),
324 SOC_DAPM_SINGLE("MicP Switch", WM8983_INPUT_CTRL, 4, 1, 0),
325};
326
327static const struct snd_kcontrol_new left_boost_mixer[] = {
328 SOC_DAPM_SINGLE_TLV("L2 Volume", WM8983_LEFT_ADC_BOOST_CTRL,
329 4, 7, 0, boost_tlv),
330 SOC_DAPM_SINGLE_TLV("AUXL Volume", WM8983_LEFT_ADC_BOOST_CTRL,
331 0, 7, 0, boost_tlv)
332};
333
334static const struct snd_kcontrol_new out3_mixer[] = {
335 SOC_DAPM_SINGLE("LMIX2OUT3 Switch", WM8983_OUT3_MIXER_CTRL,
336 1, 1, 0),
337 SOC_DAPM_SINGLE("LDAC2OUT3 Switch", WM8983_OUT3_MIXER_CTRL,
338 0, 1, 0),
339};
340
341static const struct snd_kcontrol_new out4_mixer[] = {
342 SOC_DAPM_SINGLE("LMIX2OUT4 Switch", WM8983_OUT4_MONO_MIX_CTRL,
343 4, 1, 0),
344 SOC_DAPM_SINGLE("RMIX2OUT4 Switch", WM8983_OUT4_MONO_MIX_CTRL,
345 1, 1, 0),
346 SOC_DAPM_SINGLE("LDAC2OUT4 Switch", WM8983_OUT4_MONO_MIX_CTRL,
347 3, 1, 0),
348 SOC_DAPM_SINGLE("RDAC2OUT4 Switch", WM8983_OUT4_MONO_MIX_CTRL,
349 0, 1, 0),
350};
351
352static const struct snd_kcontrol_new right_boost_mixer[] = {
353 SOC_DAPM_SINGLE_TLV("R2 Volume", WM8983_RIGHT_ADC_BOOST_CTRL,
354 4, 7, 0, boost_tlv),
355 SOC_DAPM_SINGLE_TLV("AUXR Volume", WM8983_RIGHT_ADC_BOOST_CTRL,
356 0, 7, 0, boost_tlv)
357};
358
359static const struct snd_soc_dapm_widget wm8983_dapm_widgets[] = {
360 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8983_POWER_MANAGEMENT_3,
361 0, 0),
362 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8983_POWER_MANAGEMENT_3,
363 1, 0),
364 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8983_POWER_MANAGEMENT_2,
365 0, 0),
366 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8983_POWER_MANAGEMENT_2,
367 1, 0),
368
369 SND_SOC_DAPM_MIXER("Left Output Mixer", WM8983_POWER_MANAGEMENT_3,
370 2, 0, left_out_mixer, ARRAY_SIZE(left_out_mixer)),
371 SND_SOC_DAPM_MIXER("Right Output Mixer", WM8983_POWER_MANAGEMENT_3,
372 3, 0, right_out_mixer, ARRAY_SIZE(right_out_mixer)),
373
374 SND_SOC_DAPM_MIXER("Left Input Mixer", WM8983_POWER_MANAGEMENT_2,
375 2, 0, left_input_mixer, ARRAY_SIZE(left_input_mixer)),
376 SND_SOC_DAPM_MIXER("Right Input Mixer", WM8983_POWER_MANAGEMENT_2,
377 3, 0, right_input_mixer, ARRAY_SIZE(right_input_mixer)),
378
379 SND_SOC_DAPM_MIXER("Left Boost Mixer", WM8983_POWER_MANAGEMENT_2,
380 4, 0, left_boost_mixer, ARRAY_SIZE(left_boost_mixer)),
381 SND_SOC_DAPM_MIXER("Right Boost Mixer", WM8983_POWER_MANAGEMENT_2,
382 5, 0, right_boost_mixer, ARRAY_SIZE(right_boost_mixer)),
383
384 SND_SOC_DAPM_MIXER("OUT3 Mixer", WM8983_POWER_MANAGEMENT_1,
385 6, 0, out3_mixer, ARRAY_SIZE(out3_mixer)),
386
387 SND_SOC_DAPM_MIXER("OUT4 Mixer", WM8983_POWER_MANAGEMENT_1,
388 7, 0, out4_mixer, ARRAY_SIZE(out4_mixer)),
389
390 SND_SOC_DAPM_PGA("Left Capture PGA", WM8983_LEFT_INP_PGA_GAIN_CTRL,
391 6, 1, NULL, 0),
392 SND_SOC_DAPM_PGA("Right Capture PGA", WM8983_RIGHT_INP_PGA_GAIN_CTRL,
393 6, 1, NULL, 0),
394
395 SND_SOC_DAPM_PGA("Left Headphone Out", WM8983_POWER_MANAGEMENT_2,
396 7, 0, NULL, 0),
397 SND_SOC_DAPM_PGA("Right Headphone Out", WM8983_POWER_MANAGEMENT_2,
398 8, 0, NULL, 0),
399
400 SND_SOC_DAPM_PGA("Left Speaker Out", WM8983_POWER_MANAGEMENT_3,
401 5, 0, NULL, 0),
402 SND_SOC_DAPM_PGA("Right Speaker Out", WM8983_POWER_MANAGEMENT_3,
403 6, 0, NULL, 0),
404
405 SND_SOC_DAPM_PGA("OUT3 Out", WM8983_POWER_MANAGEMENT_3,
406 7, 0, NULL, 0),
407
408 SND_SOC_DAPM_PGA("OUT4 Out", WM8983_POWER_MANAGEMENT_3,
409 8, 0, NULL, 0),
410
411 SND_SOC_DAPM_SUPPLY("Mic Bias", WM8983_POWER_MANAGEMENT_1, 4, 0,
412 NULL, 0),
413
414 SND_SOC_DAPM_INPUT("LIN"),
415 SND_SOC_DAPM_INPUT("LIP"),
416 SND_SOC_DAPM_INPUT("RIN"),
417 SND_SOC_DAPM_INPUT("RIP"),
418 SND_SOC_DAPM_INPUT("AUXL"),
419 SND_SOC_DAPM_INPUT("AUXR"),
420 SND_SOC_DAPM_INPUT("L2"),
421 SND_SOC_DAPM_INPUT("R2"),
422 SND_SOC_DAPM_OUTPUT("HPL"),
423 SND_SOC_DAPM_OUTPUT("HPR"),
424 SND_SOC_DAPM_OUTPUT("SPKL"),
425 SND_SOC_DAPM_OUTPUT("SPKR"),
426 SND_SOC_DAPM_OUTPUT("OUT3"),
427 SND_SOC_DAPM_OUTPUT("OUT4")
428};
429
430static const struct snd_soc_dapm_route wm8983_audio_map[] = {
431 { "OUT3 Mixer", "LMIX2OUT3 Switch", "Left Output Mixer" },
432 { "OUT3 Mixer", "LDAC2OUT3 Switch", "Left DAC" },
433
434 { "OUT3 Out", NULL, "OUT3 Mixer" },
435 { "OUT3", NULL, "OUT3 Out" },
436
437 { "OUT4 Mixer", "LMIX2OUT4 Switch", "Left Output Mixer" },
438 { "OUT4 Mixer", "RMIX2OUT4 Switch", "Right Output Mixer" },
439 { "OUT4 Mixer", "LDAC2OUT4 Switch", "Left DAC" },
440 { "OUT4 Mixer", "RDAC2OUT4 Switch", "Right DAC" },
441
442 { "OUT4 Out", NULL, "OUT4 Mixer" },
443 { "OUT4", NULL, "OUT4 Out" },
444
445 { "Right Output Mixer", "PCM Switch", "Right DAC" },
446 { "Right Output Mixer", "Aux Switch", "AUXR" },
447 { "Right Output Mixer", "Line Switch", "Right Boost Mixer" },
448
449 { "Left Output Mixer", "PCM Switch", "Left DAC" },
450 { "Left Output Mixer", "Aux Switch", "AUXL" },
451 { "Left Output Mixer", "Line Switch", "Left Boost Mixer" },
452
453 { "Right Headphone Out", NULL, "Right Output Mixer" },
454 { "HPR", NULL, "Right Headphone Out" },
455
456 { "Left Headphone Out", NULL, "Left Output Mixer" },
457 { "HPL", NULL, "Left Headphone Out" },
458
459 { "Right Speaker Out", NULL, "Right Output Mixer" },
460 { "SPKR", NULL, "Right Speaker Out" },
461
462 { "Left Speaker Out", NULL, "Left Output Mixer" },
463 { "SPKL", NULL, "Left Speaker Out" },
464
465 { "Right ADC", NULL, "Right Boost Mixer" },
466
467 { "Right Boost Mixer", "AUXR Volume", "AUXR" },
468 { "Right Boost Mixer", NULL, "Right Capture PGA" },
469 { "Right Boost Mixer", "R2 Volume", "R2" },
470
471 { "Left ADC", NULL, "Left Boost Mixer" },
472
473 { "Left Boost Mixer", "AUXL Volume", "AUXL" },
474 { "Left Boost Mixer", NULL, "Left Capture PGA" },
475 { "Left Boost Mixer", "L2 Volume", "L2" },
476
477 { "Right Capture PGA", NULL, "Right Input Mixer" },
478 { "Left Capture PGA", NULL, "Left Input Mixer" },
479
480 { "Right Input Mixer", "R2 Switch", "R2" },
481 { "Right Input Mixer", "MicN Switch", "RIN" },
482 { "Right Input Mixer", "MicP Switch", "RIP" },
483
484 { "Left Input Mixer", "L2 Switch", "L2" },
485 { "Left Input Mixer", "MicN Switch", "LIN" },
486 { "Left Input Mixer", "MicP Switch", "LIP" },
487};
488
489static int eqmode_get(struct snd_kcontrol *kcontrol,
490 struct snd_ctl_elem_value *ucontrol)
491{
492 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
493 unsigned int reg;
494
495 reg = snd_soc_component_read(component, WM8983_EQ1_LOW_SHELF);
496 if (reg & WM8983_EQ3DMODE)
497 ucontrol->value.enumerated.item[0] = 1;
498 else
499 ucontrol->value.enumerated.item[0] = 0;
500
501 return 0;
502}
503
504static int eqmode_put(struct snd_kcontrol *kcontrol,
505 struct snd_ctl_elem_value *ucontrol)
506{
507 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
508 unsigned int regpwr2, regpwr3;
509 unsigned int reg_eq;
510
511 if (ucontrol->value.enumerated.item[0] != 0
512 && ucontrol->value.enumerated.item[0] != 1)
513 return -EINVAL;
514
515 reg_eq = snd_soc_component_read(component, WM8983_EQ1_LOW_SHELF);
516 switch ((reg_eq & WM8983_EQ3DMODE) >> WM8983_EQ3DMODE_SHIFT) {
517 case 0:
518 if (!ucontrol->value.enumerated.item[0])
519 return 0;
520 break;
521 case 1:
522 if (ucontrol->value.enumerated.item[0])
523 return 0;
524 break;
525 }
526
527 regpwr2 = snd_soc_component_read(component, WM8983_POWER_MANAGEMENT_2);
528 regpwr3 = snd_soc_component_read(component, WM8983_POWER_MANAGEMENT_3);
529 /* disable the DACs and ADCs */
530 snd_soc_component_update_bits(component, WM8983_POWER_MANAGEMENT_2,
531 WM8983_ADCENR_MASK | WM8983_ADCENL_MASK, 0);
532 snd_soc_component_update_bits(component, WM8983_POWER_MANAGEMENT_3,
533 WM8983_DACENR_MASK | WM8983_DACENL_MASK, 0);
534 /* set the desired eqmode */
535 snd_soc_component_update_bits(component, WM8983_EQ1_LOW_SHELF,
536 WM8983_EQ3DMODE_MASK,
537 ucontrol->value.enumerated.item[0]
538 << WM8983_EQ3DMODE_SHIFT);
539 /* restore DAC/ADC configuration */
540 snd_soc_component_write(component, WM8983_POWER_MANAGEMENT_2, regpwr2);
541 snd_soc_component_write(component, WM8983_POWER_MANAGEMENT_3, regpwr3);
542 return 0;
543}
544
545static bool wm8983_writeable(struct device *dev, unsigned int reg)
546{
547 switch (reg) {
548 case WM8983_SOFTWARE_RESET ... WM8983_RIGHT_ADC_DIGITAL_VOL:
549 case WM8983_EQ1_LOW_SHELF ... WM8983_DAC_LIMITER_2:
550 case WM8983_NOTCH_FILTER_1 ... WM8983_NOTCH_FILTER_4:
551 case WM8983_ALC_CONTROL_1 ... WM8983_PLL_K_3:
552 case WM8983_3D_CONTROL ... WM8983_OUT4_MONO_MIX_CTRL:
553 case WM8983_BIAS_CTRL:
554 return true;
555 default:
556 return false;
557 }
558}
559
560static int wm8983_dac_mute(struct snd_soc_dai *dai, int mute, int direction)
561{
562 struct snd_soc_component *component = dai->component;
563
564 return snd_soc_component_update_bits(component, WM8983_DAC_CONTROL,
565 WM8983_SOFTMUTE_MASK,
566 !!mute << WM8983_SOFTMUTE_SHIFT);
567}
568
569static int wm8983_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
570{
571 struct snd_soc_component *component = dai->component;
572 u16 format, master, bcp, lrp;
573
574 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
575 case SND_SOC_DAIFMT_I2S:
576 format = 0x2;
577 break;
578 case SND_SOC_DAIFMT_RIGHT_J:
579 format = 0x0;
580 break;
581 case SND_SOC_DAIFMT_LEFT_J:
582 format = 0x1;
583 break;
584 case SND_SOC_DAIFMT_DSP_A:
585 case SND_SOC_DAIFMT_DSP_B:
586 format = 0x3;
587 break;
588 default:
589 dev_err(dai->dev, "Unknown dai format\n");
590 return -EINVAL;
591 }
592
593 snd_soc_component_update_bits(component, WM8983_AUDIO_INTERFACE,
594 WM8983_FMT_MASK, format << WM8983_FMT_SHIFT);
595
596 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
597 case SND_SOC_DAIFMT_CBM_CFM:
598 master = 1;
599 break;
600 case SND_SOC_DAIFMT_CBS_CFS:
601 master = 0;
602 break;
603 default:
604 dev_err(dai->dev, "Unknown master/slave configuration\n");
605 return -EINVAL;
606 }
607
608 snd_soc_component_update_bits(component, WM8983_CLOCK_GEN_CONTROL,
609 WM8983_MS_MASK, master << WM8983_MS_SHIFT);
610
611 /* FIXME: We don't currently support DSP A/B modes */
612 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
613 case SND_SOC_DAIFMT_DSP_A:
614 case SND_SOC_DAIFMT_DSP_B:
615 dev_err(dai->dev, "DSP A/B modes are not supported\n");
616 return -EINVAL;
617 default:
618 break;
619 }
620
621 bcp = lrp = 0;
622 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
623 case SND_SOC_DAIFMT_NB_NF:
624 break;
625 case SND_SOC_DAIFMT_IB_IF:
626 bcp = lrp = 1;
627 break;
628 case SND_SOC_DAIFMT_IB_NF:
629 bcp = 1;
630 break;
631 case SND_SOC_DAIFMT_NB_IF:
632 lrp = 1;
633 break;
634 default:
635 dev_err(dai->dev, "Unknown polarity configuration\n");
636 return -EINVAL;
637 }
638
639 snd_soc_component_update_bits(component, WM8983_AUDIO_INTERFACE,
640 WM8983_LRCP_MASK, lrp << WM8983_LRCP_SHIFT);
641 snd_soc_component_update_bits(component, WM8983_AUDIO_INTERFACE,
642 WM8983_BCP_MASK, bcp << WM8983_BCP_SHIFT);
643 return 0;
644}
645
646static int wm8983_hw_params(struct snd_pcm_substream *substream,
647 struct snd_pcm_hw_params *params,
648 struct snd_soc_dai *dai)
649{
650 int i;
651 struct snd_soc_component *component = dai->component;
652 struct wm8983_priv *wm8983 = snd_soc_component_get_drvdata(component);
653 u16 blen, srate_idx;
654 u32 tmp;
655 int srate_best;
656 int ret;
657
658 ret = snd_soc_params_to_bclk(params);
659 if (ret < 0) {
660 dev_err(component->dev, "Failed to convert params to bclk: %d\n", ret);
661 return ret;
662 }
663
664 wm8983->bclk = ret;
665
666 switch (params_width(params)) {
667 case 16:
668 blen = 0x0;
669 break;
670 case 20:
671 blen = 0x1;
672 break;
673 case 24:
674 blen = 0x2;
675 break;
676 case 32:
677 blen = 0x3;
678 break;
679 default:
680 dev_err(dai->dev, "Unsupported word length %u\n",
681 params_width(params));
682 return -EINVAL;
683 }
684
685 snd_soc_component_update_bits(component, WM8983_AUDIO_INTERFACE,
686 WM8983_WL_MASK, blen << WM8983_WL_SHIFT);
687
688 /*
689 * match to the nearest possible sample rate and rely
690 * on the array index to configure the SR register
691 */
692 srate_idx = 0;
693 srate_best = abs(srates[0] - params_rate(params));
694 for (i = 1; i < ARRAY_SIZE(srates); ++i) {
695 if (abs(srates[i] - params_rate(params)) >= srate_best)
696 continue;
697 srate_idx = i;
698 srate_best = abs(srates[i] - params_rate(params));
699 }
700
701 dev_dbg(dai->dev, "Selected SRATE = %d\n", srates[srate_idx]);
702 snd_soc_component_update_bits(component, WM8983_ADDITIONAL_CONTROL,
703 WM8983_SR_MASK, srate_idx << WM8983_SR_SHIFT);
704
705 dev_dbg(dai->dev, "Target BCLK = %uHz\n", wm8983->bclk);
706 dev_dbg(dai->dev, "SYSCLK = %uHz\n", wm8983->sysclk);
707
708 for (i = 0; i < ARRAY_SIZE(fs_ratios); ++i) {
709 if (wm8983->sysclk / params_rate(params)
710 == fs_ratios[i].ratio)
711 break;
712 }
713
714 if (i == ARRAY_SIZE(fs_ratios)) {
715 dev_err(dai->dev, "Unable to configure MCLK ratio %u/%u\n",
716 wm8983->sysclk, params_rate(params));
717 return -EINVAL;
718 }
719
720 dev_dbg(dai->dev, "MCLK ratio = %dfs\n", fs_ratios[i].ratio);
721 snd_soc_component_update_bits(component, WM8983_CLOCK_GEN_CONTROL,
722 WM8983_MCLKDIV_MASK, i << WM8983_MCLKDIV_SHIFT);
723
724 /* select the appropriate bclk divider */
725 tmp = (wm8983->sysclk / fs_ratios[i].div) * 10;
726 for (i = 0; i < ARRAY_SIZE(bclk_divs); ++i) {
727 if (wm8983->bclk == tmp / bclk_divs[i])
728 break;
729 }
730
731 if (i == ARRAY_SIZE(bclk_divs)) {
732 dev_err(dai->dev, "No matching BCLK divider found\n");
733 return -EINVAL;
734 }
735
736 dev_dbg(dai->dev, "BCLK div = %d\n", i);
737 snd_soc_component_update_bits(component, WM8983_CLOCK_GEN_CONTROL,
738 WM8983_BCLKDIV_MASK, i << WM8983_BCLKDIV_SHIFT);
739
740 return 0;
741}
742
743struct pll_div {
744 u32 div2:1;
745 u32 n:4;
746 u32 k:24;
747};
748
749#define FIXED_PLL_SIZE ((1ULL << 24) * 10)
750static int pll_factors(struct pll_div *pll_div, unsigned int target,
751 unsigned int source)
752{
753 u64 Kpart;
754 unsigned long int K, Ndiv, Nmod;
755
756 pll_div->div2 = 0;
757 Ndiv = target / source;
758 if (Ndiv < 6) {
759 source >>= 1;
760 pll_div->div2 = 1;
761 Ndiv = target / source;
762 }
763
764 if (Ndiv < 6 || Ndiv > 12) {
765 printk(KERN_ERR "%s: WM8983 N value is not within"
766 " the recommended range: %lu\n", __func__, Ndiv);
767 return -EINVAL;
768 }
769 pll_div->n = Ndiv;
770
771 Nmod = target % source;
772 Kpart = FIXED_PLL_SIZE * (u64)Nmod;
773
774 do_div(Kpart, source);
775
776 K = Kpart & 0xffffffff;
777 if ((K % 10) >= 5)
778 K += 5;
779 K /= 10;
780 pll_div->k = K;
781 return 0;
782}
783
784static int wm8983_set_pll(struct snd_soc_dai *dai, int pll_id,
785 int source, unsigned int freq_in,
786 unsigned int freq_out)
787{
788 int ret;
789 struct snd_soc_component *component;
790 struct pll_div pll_div;
791
792 component = dai->component;
793 if (!freq_in || !freq_out) {
794 /* disable the PLL */
795 snd_soc_component_update_bits(component, WM8983_POWER_MANAGEMENT_1,
796 WM8983_PLLEN_MASK, 0);
797 return 0;
798 } else {
799 ret = pll_factors(&pll_div, freq_out * 4 * 2, freq_in);
800 if (ret)
801 return ret;
802
803 /* disable the PLL before re-programming it */
804 snd_soc_component_update_bits(component, WM8983_POWER_MANAGEMENT_1,
805 WM8983_PLLEN_MASK, 0);
806
807 /* set PLLN and PRESCALE */
808 snd_soc_component_write(component, WM8983_PLL_N,
809 (pll_div.div2 << WM8983_PLL_PRESCALE_SHIFT)
810 | pll_div.n);
811 /* set PLLK */
812 snd_soc_component_write(component, WM8983_PLL_K_3, pll_div.k & 0x1ff);
813 snd_soc_component_write(component, WM8983_PLL_K_2, (pll_div.k >> 9) & 0x1ff);
814 snd_soc_component_write(component, WM8983_PLL_K_1, (pll_div.k >> 18));
815 /* enable the PLL */
816 snd_soc_component_update_bits(component, WM8983_POWER_MANAGEMENT_1,
817 WM8983_PLLEN_MASK, WM8983_PLLEN);
818 }
819
820 return 0;
821}
822
823static int wm8983_set_sysclk(struct snd_soc_dai *dai,
824 int clk_id, unsigned int freq, int dir)
825{
826 struct snd_soc_component *component = dai->component;
827 struct wm8983_priv *wm8983 = snd_soc_component_get_drvdata(component);
828
829 switch (clk_id) {
830 case WM8983_CLKSRC_MCLK:
831 snd_soc_component_update_bits(component, WM8983_CLOCK_GEN_CONTROL,
832 WM8983_CLKSEL_MASK, 0);
833 break;
834 case WM8983_CLKSRC_PLL:
835 snd_soc_component_update_bits(component, WM8983_CLOCK_GEN_CONTROL,
836 WM8983_CLKSEL_MASK, WM8983_CLKSEL);
837 break;
838 default:
839 dev_err(dai->dev, "Unknown clock source: %d\n", clk_id);
840 return -EINVAL;
841 }
842
843 wm8983->sysclk = freq;
844 return 0;
845}
846
847static int wm8983_set_bias_level(struct snd_soc_component *component,
848 enum snd_soc_bias_level level)
849{
850 struct wm8983_priv *wm8983 = snd_soc_component_get_drvdata(component);
851 int ret;
852
853 switch (level) {
854 case SND_SOC_BIAS_ON:
855 case SND_SOC_BIAS_PREPARE:
856 /* VMID at 100k */
857 snd_soc_component_update_bits(component, WM8983_POWER_MANAGEMENT_1,
858 WM8983_VMIDSEL_MASK,
859 1 << WM8983_VMIDSEL_SHIFT);
860 break;
861 case SND_SOC_BIAS_STANDBY:
862 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
863 ret = regcache_sync(wm8983->regmap);
864 if (ret < 0) {
865 dev_err(component->dev, "Failed to sync cache: %d\n", ret);
866 return ret;
867 }
868 /* enable anti-pop features */
869 snd_soc_component_update_bits(component, WM8983_OUT4_TO_ADC,
870 WM8983_POBCTRL_MASK | WM8983_DELEN_MASK,
871 WM8983_POBCTRL | WM8983_DELEN);
872 /* enable thermal shutdown */
873 snd_soc_component_update_bits(component, WM8983_OUTPUT_CTRL,
874 WM8983_TSDEN_MASK, WM8983_TSDEN);
875 /* enable BIASEN */
876 snd_soc_component_update_bits(component, WM8983_POWER_MANAGEMENT_1,
877 WM8983_BIASEN_MASK, WM8983_BIASEN);
878 /* VMID at 100k */
879 snd_soc_component_update_bits(component, WM8983_POWER_MANAGEMENT_1,
880 WM8983_VMIDSEL_MASK,
881 1 << WM8983_VMIDSEL_SHIFT);
882 msleep(250);
883 /* disable anti-pop features */
884 snd_soc_component_update_bits(component, WM8983_OUT4_TO_ADC,
885 WM8983_POBCTRL_MASK |
886 WM8983_DELEN_MASK, 0);
887 }
888
889 /* VMID at 500k */
890 snd_soc_component_update_bits(component, WM8983_POWER_MANAGEMENT_1,
891 WM8983_VMIDSEL_MASK,
892 2 << WM8983_VMIDSEL_SHIFT);
893 break;
894 case SND_SOC_BIAS_OFF:
895 /* disable thermal shutdown */
896 snd_soc_component_update_bits(component, WM8983_OUTPUT_CTRL,
897 WM8983_TSDEN_MASK, 0);
898 /* disable VMIDSEL and BIASEN */
899 snd_soc_component_update_bits(component, WM8983_POWER_MANAGEMENT_1,
900 WM8983_VMIDSEL_MASK | WM8983_BIASEN_MASK,
901 0);
902 /* wait for VMID to discharge */
903 msleep(100);
904 snd_soc_component_write(component, WM8983_POWER_MANAGEMENT_1, 0);
905 snd_soc_component_write(component, WM8983_POWER_MANAGEMENT_2, 0);
906 snd_soc_component_write(component, WM8983_POWER_MANAGEMENT_3, 0);
907 break;
908 }
909
910 return 0;
911}
912
913static int wm8983_probe(struct snd_soc_component *component)
914{
915 int ret;
916 int i;
917
918 ret = snd_soc_component_write(component, WM8983_SOFTWARE_RESET, 0);
919 if (ret < 0) {
920 dev_err(component->dev, "Failed to issue reset: %d\n", ret);
921 return ret;
922 }
923
924 /* set the vol/gain update bits */
925 for (i = 0; i < ARRAY_SIZE(vol_update_regs); ++i)
926 snd_soc_component_update_bits(component, vol_update_regs[i],
927 0x100, 0x100);
928
929 /* mute all outputs and set PGAs to minimum gain */
930 for (i = WM8983_LOUT1_HP_VOLUME_CTRL;
931 i <= WM8983_OUT4_MONO_MIX_CTRL; ++i)
932 snd_soc_component_update_bits(component, i, 0x40, 0x40);
933
934 /* enable soft mute */
935 snd_soc_component_update_bits(component, WM8983_DAC_CONTROL,
936 WM8983_SOFTMUTE_MASK,
937 WM8983_SOFTMUTE);
938
939 /* enable BIASCUT */
940 snd_soc_component_update_bits(component, WM8983_BIAS_CTRL,
941 WM8983_BIASCUT, WM8983_BIASCUT);
942 return 0;
943}
944
945static const struct snd_soc_dai_ops wm8983_dai_ops = {
946 .mute_stream = wm8983_dac_mute,
947 .hw_params = wm8983_hw_params,
948 .set_fmt = wm8983_set_fmt,
949 .set_sysclk = wm8983_set_sysclk,
950 .set_pll = wm8983_set_pll,
951 .no_capture_mute = 1,
952};
953
954#define WM8983_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
955 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
956
957static struct snd_soc_dai_driver wm8983_dai = {
958 .name = "wm8983-hifi",
959 .playback = {
960 .stream_name = "Playback",
961 .channels_min = 2,
962 .channels_max = 2,
963 .rates = SNDRV_PCM_RATE_8000_48000,
964 .formats = WM8983_FORMATS,
965 },
966 .capture = {
967 .stream_name = "Capture",
968 .channels_min = 2,
969 .channels_max = 2,
970 .rates = SNDRV_PCM_RATE_8000_48000,
971 .formats = WM8983_FORMATS,
972 },
973 .ops = &wm8983_dai_ops,
974 .symmetric_rate = 1
975};
976
977static const struct snd_soc_component_driver soc_component_dev_wm8983 = {
978 .probe = wm8983_probe,
979 .set_bias_level = wm8983_set_bias_level,
980 .controls = wm8983_snd_controls,
981 .num_controls = ARRAY_SIZE(wm8983_snd_controls),
982 .dapm_widgets = wm8983_dapm_widgets,
983 .num_dapm_widgets = ARRAY_SIZE(wm8983_dapm_widgets),
984 .dapm_routes = wm8983_audio_map,
985 .num_dapm_routes = ARRAY_SIZE(wm8983_audio_map),
986 .suspend_bias_off = 1,
987 .idle_bias_on = 1,
988 .use_pmdown_time = 1,
989 .endianness = 1,
990};
991
992static const struct regmap_config wm8983_regmap = {
993 .reg_bits = 7,
994 .val_bits = 9,
995
996 .reg_defaults = wm8983_defaults,
997 .num_reg_defaults = ARRAY_SIZE(wm8983_defaults),
998 .cache_type = REGCACHE_MAPLE,
999 .max_register = WM8983_MAX_REGISTER,
1000
1001 .writeable_reg = wm8983_writeable,
1002};
1003
1004#if defined(CONFIG_SPI_MASTER)
1005static int wm8983_spi_probe(struct spi_device *spi)
1006{
1007 struct wm8983_priv *wm8983;
1008 int ret;
1009
1010 wm8983 = devm_kzalloc(&spi->dev, sizeof *wm8983, GFP_KERNEL);
1011 if (!wm8983)
1012 return -ENOMEM;
1013
1014 wm8983->regmap = devm_regmap_init_spi(spi, &wm8983_regmap);
1015 if (IS_ERR(wm8983->regmap)) {
1016 ret = PTR_ERR(wm8983->regmap);
1017 dev_err(&spi->dev, "Failed to init regmap: %d\n", ret);
1018 return ret;
1019 }
1020
1021 spi_set_drvdata(spi, wm8983);
1022
1023 ret = devm_snd_soc_register_component(&spi->dev,
1024 &soc_component_dev_wm8983, &wm8983_dai, 1);
1025 return ret;
1026}
1027
1028static struct spi_driver wm8983_spi_driver = {
1029 .driver = {
1030 .name = "wm8983",
1031 },
1032 .probe = wm8983_spi_probe,
1033};
1034#endif
1035
1036#if IS_ENABLED(CONFIG_I2C)
1037static int wm8983_i2c_probe(struct i2c_client *i2c)
1038{
1039 struct wm8983_priv *wm8983;
1040 int ret;
1041
1042 wm8983 = devm_kzalloc(&i2c->dev, sizeof *wm8983, GFP_KERNEL);
1043 if (!wm8983)
1044 return -ENOMEM;
1045
1046 wm8983->regmap = devm_regmap_init_i2c(i2c, &wm8983_regmap);
1047 if (IS_ERR(wm8983->regmap)) {
1048 ret = PTR_ERR(wm8983->regmap);
1049 dev_err(&i2c->dev, "Failed to init regmap: %d\n", ret);
1050 return ret;
1051 }
1052
1053 i2c_set_clientdata(i2c, wm8983);
1054
1055 ret = devm_snd_soc_register_component(&i2c->dev,
1056 &soc_component_dev_wm8983, &wm8983_dai, 1);
1057
1058 return ret;
1059}
1060
1061static const struct i2c_device_id wm8983_i2c_id[] = {
1062 { "wm8983" },
1063 { }
1064};
1065MODULE_DEVICE_TABLE(i2c, wm8983_i2c_id);
1066
1067static struct i2c_driver wm8983_i2c_driver = {
1068 .driver = {
1069 .name = "wm8983",
1070 },
1071 .probe = wm8983_i2c_probe,
1072 .id_table = wm8983_i2c_id
1073};
1074#endif
1075
1076static int __init wm8983_modinit(void)
1077{
1078 int ret = 0;
1079
1080#if IS_ENABLED(CONFIG_I2C)
1081 ret = i2c_add_driver(&wm8983_i2c_driver);
1082 if (ret) {
1083 printk(KERN_ERR "Failed to register wm8983 I2C driver: %d\n",
1084 ret);
1085 }
1086#endif
1087#if defined(CONFIG_SPI_MASTER)
1088 ret = spi_register_driver(&wm8983_spi_driver);
1089 if (ret != 0) {
1090 printk(KERN_ERR "Failed to register wm8983 SPI driver: %d\n",
1091 ret);
1092 }
1093#endif
1094 return ret;
1095}
1096module_init(wm8983_modinit);
1097
1098static void __exit wm8983_exit(void)
1099{
1100#if IS_ENABLED(CONFIG_I2C)
1101 i2c_del_driver(&wm8983_i2c_driver);
1102#endif
1103#if defined(CONFIG_SPI_MASTER)
1104 spi_unregister_driver(&wm8983_spi_driver);
1105#endif
1106}
1107module_exit(wm8983_exit);
1108
1109MODULE_DESCRIPTION("ASoC WM8983 driver");
1110MODULE_AUTHOR("Dimitris Papastamos <dp@opensource.wolfsonmicro.com>");
1111MODULE_LICENSE("GPL");
1/*
2 * wm8983.c -- WM8983 ALSA SoC Audio driver
3 *
4 * Copyright 2011 Wolfson Microelectronics plc
5 *
6 * Author: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13#include <linux/module.h>
14#include <linux/moduleparam.h>
15#include <linux/init.h>
16#include <linux/delay.h>
17#include <linux/pm.h>
18#include <linux/i2c.h>
19#include <linux/spi/spi.h>
20#include <linux/slab.h>
21#include <sound/core.h>
22#include <sound/pcm.h>
23#include <sound/pcm_params.h>
24#include <sound/soc.h>
25#include <sound/initval.h>
26#include <sound/tlv.h>
27
28#include "wm8983.h"
29
30static const u16 wm8983_reg_defs[WM8983_MAX_REGISTER + 1] = {
31 [0x00] = 0x0000, /* R0 - Software Reset */
32 [0x01] = 0x0000, /* R1 - Power management 1 */
33 [0x02] = 0x0000, /* R2 - Power management 2 */
34 [0x03] = 0x0000, /* R3 - Power management 3 */
35 [0x04] = 0x0050, /* R4 - Audio Interface */
36 [0x05] = 0x0000, /* R5 - Companding control */
37 [0x06] = 0x0140, /* R6 - Clock Gen control */
38 [0x07] = 0x0000, /* R7 - Additional control */
39 [0x08] = 0x0000, /* R8 - GPIO Control */
40 [0x09] = 0x0000, /* R9 - Jack Detect Control 1 */
41 [0x0A] = 0x0000, /* R10 - DAC Control */
42 [0x0B] = 0x00FF, /* R11 - Left DAC digital Vol */
43 [0x0C] = 0x00FF, /* R12 - Right DAC digital vol */
44 [0x0D] = 0x0000, /* R13 - Jack Detect Control 2 */
45 [0x0E] = 0x0100, /* R14 - ADC Control */
46 [0x0F] = 0x00FF, /* R15 - Left ADC Digital Vol */
47 [0x10] = 0x00FF, /* R16 - Right ADC Digital Vol */
48 [0x12] = 0x012C, /* R18 - EQ1 - low shelf */
49 [0x13] = 0x002C, /* R19 - EQ2 - peak 1 */
50 [0x14] = 0x002C, /* R20 - EQ3 - peak 2 */
51 [0x15] = 0x002C, /* R21 - EQ4 - peak 3 */
52 [0x16] = 0x002C, /* R22 - EQ5 - high shelf */
53 [0x18] = 0x0032, /* R24 - DAC Limiter 1 */
54 [0x19] = 0x0000, /* R25 - DAC Limiter 2 */
55 [0x1B] = 0x0000, /* R27 - Notch Filter 1 */
56 [0x1C] = 0x0000, /* R28 - Notch Filter 2 */
57 [0x1D] = 0x0000, /* R29 - Notch Filter 3 */
58 [0x1E] = 0x0000, /* R30 - Notch Filter 4 */
59 [0x20] = 0x0038, /* R32 - ALC control 1 */
60 [0x21] = 0x000B, /* R33 - ALC control 2 */
61 [0x22] = 0x0032, /* R34 - ALC control 3 */
62 [0x23] = 0x0000, /* R35 - Noise Gate */
63 [0x24] = 0x0008, /* R36 - PLL N */
64 [0x25] = 0x000C, /* R37 - PLL K 1 */
65 [0x26] = 0x0093, /* R38 - PLL K 2 */
66 [0x27] = 0x00E9, /* R39 - PLL K 3 */
67 [0x29] = 0x0000, /* R41 - 3D control */
68 [0x2A] = 0x0000, /* R42 - OUT4 to ADC */
69 [0x2B] = 0x0000, /* R43 - Beep control */
70 [0x2C] = 0x0033, /* R44 - Input ctrl */
71 [0x2D] = 0x0010, /* R45 - Left INP PGA gain ctrl */
72 [0x2E] = 0x0010, /* R46 - Right INP PGA gain ctrl */
73 [0x2F] = 0x0100, /* R47 - Left ADC BOOST ctrl */
74 [0x30] = 0x0100, /* R48 - Right ADC BOOST ctrl */
75 [0x31] = 0x0002, /* R49 - Output ctrl */
76 [0x32] = 0x0001, /* R50 - Left mixer ctrl */
77 [0x33] = 0x0001, /* R51 - Right mixer ctrl */
78 [0x34] = 0x0039, /* R52 - LOUT1 (HP) volume ctrl */
79 [0x35] = 0x0039, /* R53 - ROUT1 (HP) volume ctrl */
80 [0x36] = 0x0039, /* R54 - LOUT2 (SPK) volume ctrl */
81 [0x37] = 0x0039, /* R55 - ROUT2 (SPK) volume ctrl */
82 [0x38] = 0x0001, /* R56 - OUT3 mixer ctrl */
83 [0x39] = 0x0001, /* R57 - OUT4 (MONO) mix ctrl */
84 [0x3D] = 0x0000 /* R61 - BIAS CTRL */
85};
86
87static const struct wm8983_reg_access {
88 u16 read; /* Mask of readable bits */
89 u16 write; /* Mask of writable bits */
90} wm8983_access_masks[WM8983_MAX_REGISTER + 1] = {
91 [0x00] = { 0x0000, 0x01FF }, /* R0 - Software Reset */
92 [0x01] = { 0x0000, 0x01FF }, /* R1 - Power management 1 */
93 [0x02] = { 0x0000, 0x01FF }, /* R2 - Power management 2 */
94 [0x03] = { 0x0000, 0x01EF }, /* R3 - Power management 3 */
95 [0x04] = { 0x0000, 0x01FF }, /* R4 - Audio Interface */
96 [0x05] = { 0x0000, 0x003F }, /* R5 - Companding control */
97 [0x06] = { 0x0000, 0x01FD }, /* R6 - Clock Gen control */
98 [0x07] = { 0x0000, 0x000F }, /* R7 - Additional control */
99 [0x08] = { 0x0000, 0x003F }, /* R8 - GPIO Control */
100 [0x09] = { 0x0000, 0x0070 }, /* R9 - Jack Detect Control 1 */
101 [0x0A] = { 0x0000, 0x004F }, /* R10 - DAC Control */
102 [0x0B] = { 0x0000, 0x01FF }, /* R11 - Left DAC digital Vol */
103 [0x0C] = { 0x0000, 0x01FF }, /* R12 - Right DAC digital vol */
104 [0x0D] = { 0x0000, 0x00FF }, /* R13 - Jack Detect Control 2 */
105 [0x0E] = { 0x0000, 0x01FB }, /* R14 - ADC Control */
106 [0x0F] = { 0x0000, 0x01FF }, /* R15 - Left ADC Digital Vol */
107 [0x10] = { 0x0000, 0x01FF }, /* R16 - Right ADC Digital Vol */
108 [0x12] = { 0x0000, 0x017F }, /* R18 - EQ1 - low shelf */
109 [0x13] = { 0x0000, 0x017F }, /* R19 - EQ2 - peak 1 */
110 [0x14] = { 0x0000, 0x017F }, /* R20 - EQ3 - peak 2 */
111 [0x15] = { 0x0000, 0x017F }, /* R21 - EQ4 - peak 3 */
112 [0x16] = { 0x0000, 0x007F }, /* R22 - EQ5 - high shelf */
113 [0x18] = { 0x0000, 0x01FF }, /* R24 - DAC Limiter 1 */
114 [0x19] = { 0x0000, 0x007F }, /* R25 - DAC Limiter 2 */
115 [0x1B] = { 0x0000, 0x01FF }, /* R27 - Notch Filter 1 */
116 [0x1C] = { 0x0000, 0x017F }, /* R28 - Notch Filter 2 */
117 [0x1D] = { 0x0000, 0x017F }, /* R29 - Notch Filter 3 */
118 [0x1E] = { 0x0000, 0x017F }, /* R30 - Notch Filter 4 */
119 [0x20] = { 0x0000, 0x01BF }, /* R32 - ALC control 1 */
120 [0x21] = { 0x0000, 0x00FF }, /* R33 - ALC control 2 */
121 [0x22] = { 0x0000, 0x01FF }, /* R34 - ALC control 3 */
122 [0x23] = { 0x0000, 0x000F }, /* R35 - Noise Gate */
123 [0x24] = { 0x0000, 0x001F }, /* R36 - PLL N */
124 [0x25] = { 0x0000, 0x003F }, /* R37 - PLL K 1 */
125 [0x26] = { 0x0000, 0x01FF }, /* R38 - PLL K 2 */
126 [0x27] = { 0x0000, 0x01FF }, /* R39 - PLL K 3 */
127 [0x29] = { 0x0000, 0x000F }, /* R41 - 3D control */
128 [0x2A] = { 0x0000, 0x01E7 }, /* R42 - OUT4 to ADC */
129 [0x2B] = { 0x0000, 0x01BF }, /* R43 - Beep control */
130 [0x2C] = { 0x0000, 0x0177 }, /* R44 - Input ctrl */
131 [0x2D] = { 0x0000, 0x01FF }, /* R45 - Left INP PGA gain ctrl */
132 [0x2E] = { 0x0000, 0x01FF }, /* R46 - Right INP PGA gain ctrl */
133 [0x2F] = { 0x0000, 0x0177 }, /* R47 - Left ADC BOOST ctrl */
134 [0x30] = { 0x0000, 0x0177 }, /* R48 - Right ADC BOOST ctrl */
135 [0x31] = { 0x0000, 0x007F }, /* R49 - Output ctrl */
136 [0x32] = { 0x0000, 0x01FF }, /* R50 - Left mixer ctrl */
137 [0x33] = { 0x0000, 0x01FF }, /* R51 - Right mixer ctrl */
138 [0x34] = { 0x0000, 0x01FF }, /* R52 - LOUT1 (HP) volume ctrl */
139 [0x35] = { 0x0000, 0x01FF }, /* R53 - ROUT1 (HP) volume ctrl */
140 [0x36] = { 0x0000, 0x01FF }, /* R54 - LOUT2 (SPK) volume ctrl */
141 [0x37] = { 0x0000, 0x01FF }, /* R55 - ROUT2 (SPK) volume ctrl */
142 [0x38] = { 0x0000, 0x004F }, /* R56 - OUT3 mixer ctrl */
143 [0x39] = { 0x0000, 0x00FF }, /* R57 - OUT4 (MONO) mix ctrl */
144 [0x3D] = { 0x0000, 0x0100 } /* R61 - BIAS CTRL */
145};
146
147/* vol/gain update regs */
148static const int vol_update_regs[] = {
149 WM8983_LEFT_DAC_DIGITAL_VOL,
150 WM8983_RIGHT_DAC_DIGITAL_VOL,
151 WM8983_LEFT_ADC_DIGITAL_VOL,
152 WM8983_RIGHT_ADC_DIGITAL_VOL,
153 WM8983_LOUT1_HP_VOLUME_CTRL,
154 WM8983_ROUT1_HP_VOLUME_CTRL,
155 WM8983_LOUT2_SPK_VOLUME_CTRL,
156 WM8983_ROUT2_SPK_VOLUME_CTRL,
157 WM8983_LEFT_INP_PGA_GAIN_CTRL,
158 WM8983_RIGHT_INP_PGA_GAIN_CTRL
159};
160
161struct wm8983_priv {
162 enum snd_soc_control_type control_type;
163 u32 sysclk;
164 u32 bclk;
165};
166
167static const struct {
168 int div;
169 int ratio;
170} fs_ratios[] = {
171 { 10, 128 },
172 { 15, 192 },
173 { 20, 256 },
174 { 30, 384 },
175 { 40, 512 },
176 { 60, 768 },
177 { 80, 1024 },
178 { 120, 1536 }
179};
180
181static const int srates[] = { 48000, 32000, 24000, 16000, 12000, 8000 };
182
183static const int bclk_divs[] = {
184 1, 2, 4, 8, 16, 32
185};
186
187static int eqmode_get(struct snd_kcontrol *kcontrol,
188 struct snd_ctl_elem_value *ucontrol);
189static int eqmode_put(struct snd_kcontrol *kcontrol,
190 struct snd_ctl_elem_value *ucontrol);
191
192static const DECLARE_TLV_DB_SCALE(dac_tlv, -12700, 50, 1);
193static const DECLARE_TLV_DB_SCALE(adc_tlv, -12700, 50, 1);
194static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0);
195static const DECLARE_TLV_DB_SCALE(lim_thresh_tlv, -600, 100, 0);
196static const DECLARE_TLV_DB_SCALE(lim_boost_tlv, 0, 100, 0);
197static const DECLARE_TLV_DB_SCALE(alc_min_tlv, -1200, 600, 0);
198static const DECLARE_TLV_DB_SCALE(alc_max_tlv, -675, 600, 0);
199static const DECLARE_TLV_DB_SCALE(alc_tar_tlv, -2250, 150, 0);
200static const DECLARE_TLV_DB_SCALE(pga_vol_tlv, -1200, 75, 0);
201static const DECLARE_TLV_DB_SCALE(boost_tlv, -1200, 300, 1);
202static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
203static const DECLARE_TLV_DB_SCALE(aux_tlv, -1500, 300, 0);
204static const DECLARE_TLV_DB_SCALE(bypass_tlv, -1500, 300, 0);
205static const DECLARE_TLV_DB_SCALE(pga_boost_tlv, 0, 2000, 0);
206
207static const char *alc_sel_text[] = { "Off", "Right", "Left", "Stereo" };
208static const SOC_ENUM_SINGLE_DECL(alc_sel, WM8983_ALC_CONTROL_1, 7,
209 alc_sel_text);
210
211static const char *alc_mode_text[] = { "ALC", "Limiter" };
212static const SOC_ENUM_SINGLE_DECL(alc_mode, WM8983_ALC_CONTROL_3, 8,
213 alc_mode_text);
214
215static const char *filter_mode_text[] = { "Audio", "Application" };
216static const SOC_ENUM_SINGLE_DECL(filter_mode, WM8983_ADC_CONTROL, 7,
217 filter_mode_text);
218
219static const char *eq_bw_text[] = { "Narrow", "Wide" };
220static const char *eqmode_text[] = { "Capture", "Playback" };
221static const SOC_ENUM_SINGLE_EXT_DECL(eqmode, eqmode_text);
222
223static const char *eq1_cutoff_text[] = {
224 "80Hz", "105Hz", "135Hz", "175Hz"
225};
226static const SOC_ENUM_SINGLE_DECL(eq1_cutoff, WM8983_EQ1_LOW_SHELF, 5,
227 eq1_cutoff_text);
228static const char *eq2_cutoff_text[] = {
229 "230Hz", "300Hz", "385Hz", "500Hz"
230};
231static const SOC_ENUM_SINGLE_DECL(eq2_bw, WM8983_EQ2_PEAK_1, 8, eq_bw_text);
232static const SOC_ENUM_SINGLE_DECL(eq2_cutoff, WM8983_EQ2_PEAK_1, 5,
233 eq2_cutoff_text);
234static const char *eq3_cutoff_text[] = {
235 "650Hz", "850Hz", "1.1kHz", "1.4kHz"
236};
237static const SOC_ENUM_SINGLE_DECL(eq3_bw, WM8983_EQ3_PEAK_2, 8, eq_bw_text);
238static const SOC_ENUM_SINGLE_DECL(eq3_cutoff, WM8983_EQ3_PEAK_2, 5,
239 eq3_cutoff_text);
240static const char *eq4_cutoff_text[] = {
241 "1.8kHz", "2.4kHz", "3.2kHz", "4.1kHz"
242};
243static const SOC_ENUM_SINGLE_DECL(eq4_bw, WM8983_EQ4_PEAK_3, 8, eq_bw_text);
244static const SOC_ENUM_SINGLE_DECL(eq4_cutoff, WM8983_EQ4_PEAK_3, 5,
245 eq4_cutoff_text);
246static const char *eq5_cutoff_text[] = {
247 "5.3kHz", "6.9kHz", "9kHz", "11.7kHz"
248};
249static const SOC_ENUM_SINGLE_DECL(eq5_cutoff, WM8983_EQ5_HIGH_SHELF, 5,
250 eq5_cutoff_text);
251
252static const char *depth_3d_text[] = {
253 "Off",
254 "6.67%",
255 "13.3%",
256 "20%",
257 "26.7%",
258 "33.3%",
259 "40%",
260 "46.6%",
261 "53.3%",
262 "60%",
263 "66.7%",
264 "73.3%",
265 "80%",
266 "86.7%",
267 "93.3%",
268 "100%"
269};
270static const SOC_ENUM_SINGLE_DECL(depth_3d, WM8983_3D_CONTROL, 0,
271 depth_3d_text);
272
273static const struct snd_kcontrol_new wm8983_snd_controls[] = {
274 SOC_SINGLE("Digital Loopback Switch", WM8983_COMPANDING_CONTROL,
275 0, 1, 0),
276
277 SOC_ENUM("ALC Capture Function", alc_sel),
278 SOC_SINGLE_TLV("ALC Capture Max Volume", WM8983_ALC_CONTROL_1,
279 3, 7, 0, alc_max_tlv),
280 SOC_SINGLE_TLV("ALC Capture Min Volume", WM8983_ALC_CONTROL_1,
281 0, 7, 0, alc_min_tlv),
282 SOC_SINGLE_TLV("ALC Capture Target Volume", WM8983_ALC_CONTROL_2,
283 0, 15, 0, alc_tar_tlv),
284 SOC_SINGLE("ALC Capture Attack", WM8983_ALC_CONTROL_3, 0, 10, 0),
285 SOC_SINGLE("ALC Capture Hold", WM8983_ALC_CONTROL_2, 4, 10, 0),
286 SOC_SINGLE("ALC Capture Decay", WM8983_ALC_CONTROL_3, 4, 10, 0),
287 SOC_ENUM("ALC Mode", alc_mode),
288 SOC_SINGLE("ALC Capture NG Switch", WM8983_NOISE_GATE,
289 3, 1, 0),
290 SOC_SINGLE("ALC Capture NG Threshold", WM8983_NOISE_GATE,
291 0, 7, 1),
292
293 SOC_DOUBLE_R_TLV("Capture Volume", WM8983_LEFT_ADC_DIGITAL_VOL,
294 WM8983_RIGHT_ADC_DIGITAL_VOL, 0, 255, 0, adc_tlv),
295 SOC_DOUBLE_R("Capture PGA ZC Switch", WM8983_LEFT_INP_PGA_GAIN_CTRL,
296 WM8983_RIGHT_INP_PGA_GAIN_CTRL, 7, 1, 0),
297 SOC_DOUBLE_R_TLV("Capture PGA Volume", WM8983_LEFT_INP_PGA_GAIN_CTRL,
298 WM8983_RIGHT_INP_PGA_GAIN_CTRL, 0, 63, 0, pga_vol_tlv),
299
300 SOC_DOUBLE_R_TLV("Capture PGA Boost Volume",
301 WM8983_LEFT_ADC_BOOST_CTRL, WM8983_RIGHT_ADC_BOOST_CTRL,
302 8, 1, 0, pga_boost_tlv),
303
304 SOC_DOUBLE("ADC Inversion Switch", WM8983_ADC_CONTROL, 0, 1, 1, 0),
305 SOC_SINGLE("ADC 128x Oversampling Switch", WM8983_ADC_CONTROL, 8, 1, 0),
306
307 SOC_DOUBLE_R_TLV("Playback Volume", WM8983_LEFT_DAC_DIGITAL_VOL,
308 WM8983_RIGHT_DAC_DIGITAL_VOL, 0, 255, 0, dac_tlv),
309
310 SOC_SINGLE("DAC Playback Limiter Switch", WM8983_DAC_LIMITER_1, 8, 1, 0),
311 SOC_SINGLE("DAC Playback Limiter Decay", WM8983_DAC_LIMITER_1, 4, 10, 0),
312 SOC_SINGLE("DAC Playback Limiter Attack", WM8983_DAC_LIMITER_1, 0, 11, 0),
313 SOC_SINGLE_TLV("DAC Playback Limiter Threshold", WM8983_DAC_LIMITER_2,
314 4, 7, 1, lim_thresh_tlv),
315 SOC_SINGLE_TLV("DAC Playback Limiter Boost Volume", WM8983_DAC_LIMITER_2,
316 0, 12, 0, lim_boost_tlv),
317 SOC_DOUBLE("DAC Inversion Switch", WM8983_DAC_CONTROL, 0, 1, 1, 0),
318 SOC_SINGLE("DAC Auto Mute Switch", WM8983_DAC_CONTROL, 2, 1, 0),
319 SOC_SINGLE("DAC 128x Oversampling Switch", WM8983_DAC_CONTROL, 3, 1, 0),
320
321 SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8983_LOUT1_HP_VOLUME_CTRL,
322 WM8983_ROUT1_HP_VOLUME_CTRL, 0, 63, 0, out_tlv),
323 SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8983_LOUT1_HP_VOLUME_CTRL,
324 WM8983_ROUT1_HP_VOLUME_CTRL, 7, 1, 0),
325 SOC_DOUBLE_R("Headphone Switch", WM8983_LOUT1_HP_VOLUME_CTRL,
326 WM8983_ROUT1_HP_VOLUME_CTRL, 6, 1, 1),
327
328 SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8983_LOUT2_SPK_VOLUME_CTRL,
329 WM8983_ROUT2_SPK_VOLUME_CTRL, 0, 63, 0, out_tlv),
330 SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8983_LOUT2_SPK_VOLUME_CTRL,
331 WM8983_ROUT2_SPK_VOLUME_CTRL, 7, 1, 0),
332 SOC_DOUBLE_R("Speaker Switch", WM8983_LOUT2_SPK_VOLUME_CTRL,
333 WM8983_ROUT2_SPK_VOLUME_CTRL, 6, 1, 1),
334
335 SOC_SINGLE("OUT3 Switch", WM8983_OUT3_MIXER_CTRL,
336 6, 1, 1),
337
338 SOC_SINGLE("OUT4 Switch", WM8983_OUT4_MONO_MIX_CTRL,
339 6, 1, 1),
340
341 SOC_SINGLE("High Pass Filter Switch", WM8983_ADC_CONTROL, 8, 1, 0),
342 SOC_ENUM("High Pass Filter Mode", filter_mode),
343 SOC_SINGLE("High Pass Filter Cutoff", WM8983_ADC_CONTROL, 4, 7, 0),
344
345 SOC_DOUBLE_R_TLV("Aux Bypass Volume",
346 WM8983_LEFT_MIXER_CTRL, WM8983_RIGHT_MIXER_CTRL, 6, 7, 0,
347 aux_tlv),
348
349 SOC_DOUBLE_R_TLV("Input PGA Bypass Volume",
350 WM8983_LEFT_MIXER_CTRL, WM8983_RIGHT_MIXER_CTRL, 2, 7, 0,
351 bypass_tlv),
352
353 SOC_ENUM_EXT("Equalizer Function", eqmode, eqmode_get, eqmode_put),
354 SOC_ENUM("EQ1 Cutoff", eq1_cutoff),
355 SOC_SINGLE_TLV("EQ1 Volume", WM8983_EQ1_LOW_SHELF, 0, 24, 1, eq_tlv),
356 SOC_ENUM("EQ2 Bandwith", eq2_bw),
357 SOC_ENUM("EQ2 Cutoff", eq2_cutoff),
358 SOC_SINGLE_TLV("EQ2 Volume", WM8983_EQ2_PEAK_1, 0, 24, 1, eq_tlv),
359 SOC_ENUM("EQ3 Bandwith", eq3_bw),
360 SOC_ENUM("EQ3 Cutoff", eq3_cutoff),
361 SOC_SINGLE_TLV("EQ3 Volume", WM8983_EQ3_PEAK_2, 0, 24, 1, eq_tlv),
362 SOC_ENUM("EQ4 Bandwith", eq4_bw),
363 SOC_ENUM("EQ4 Cutoff", eq4_cutoff),
364 SOC_SINGLE_TLV("EQ4 Volume", WM8983_EQ4_PEAK_3, 0, 24, 1, eq_tlv),
365 SOC_ENUM("EQ5 Cutoff", eq5_cutoff),
366 SOC_SINGLE_TLV("EQ5 Volume", WM8983_EQ5_HIGH_SHELF, 0, 24, 1, eq_tlv),
367
368 SOC_ENUM("3D Depth", depth_3d),
369};
370
371static const struct snd_kcontrol_new left_out_mixer[] = {
372 SOC_DAPM_SINGLE("Line Switch", WM8983_LEFT_MIXER_CTRL, 1, 1, 0),
373 SOC_DAPM_SINGLE("Aux Switch", WM8983_LEFT_MIXER_CTRL, 5, 1, 0),
374 SOC_DAPM_SINGLE("PCM Switch", WM8983_LEFT_MIXER_CTRL, 0, 1, 0),
375};
376
377static const struct snd_kcontrol_new right_out_mixer[] = {
378 SOC_DAPM_SINGLE("Line Switch", WM8983_RIGHT_MIXER_CTRL, 1, 1, 0),
379 SOC_DAPM_SINGLE("Aux Switch", WM8983_RIGHT_MIXER_CTRL, 5, 1, 0),
380 SOC_DAPM_SINGLE("PCM Switch", WM8983_RIGHT_MIXER_CTRL, 0, 1, 0),
381};
382
383static const struct snd_kcontrol_new left_input_mixer[] = {
384 SOC_DAPM_SINGLE("L2 Switch", WM8983_INPUT_CTRL, 2, 1, 0),
385 SOC_DAPM_SINGLE("MicN Switch", WM8983_INPUT_CTRL, 1, 1, 0),
386 SOC_DAPM_SINGLE("MicP Switch", WM8983_INPUT_CTRL, 0, 1, 0),
387};
388
389static const struct snd_kcontrol_new right_input_mixer[] = {
390 SOC_DAPM_SINGLE("R2 Switch", WM8983_INPUT_CTRL, 6, 1, 0),
391 SOC_DAPM_SINGLE("MicN Switch", WM8983_INPUT_CTRL, 5, 1, 0),
392 SOC_DAPM_SINGLE("MicP Switch", WM8983_INPUT_CTRL, 4, 1, 0),
393};
394
395static const struct snd_kcontrol_new left_boost_mixer[] = {
396 SOC_DAPM_SINGLE_TLV("L2 Volume", WM8983_LEFT_ADC_BOOST_CTRL,
397 4, 7, 0, boost_tlv),
398 SOC_DAPM_SINGLE_TLV("AUXL Volume", WM8983_LEFT_ADC_BOOST_CTRL,
399 0, 7, 0, boost_tlv)
400};
401
402static const struct snd_kcontrol_new out3_mixer[] = {
403 SOC_DAPM_SINGLE("LMIX2OUT3 Switch", WM8983_OUT3_MIXER_CTRL,
404 1, 1, 0),
405 SOC_DAPM_SINGLE("LDAC2OUT3 Switch", WM8983_OUT3_MIXER_CTRL,
406 0, 1, 0),
407};
408
409static const struct snd_kcontrol_new out4_mixer[] = {
410 SOC_DAPM_SINGLE("LMIX2OUT4 Switch", WM8983_OUT4_MONO_MIX_CTRL,
411 4, 1, 0),
412 SOC_DAPM_SINGLE("RMIX2OUT4 Switch", WM8983_OUT4_MONO_MIX_CTRL,
413 1, 1, 0),
414 SOC_DAPM_SINGLE("LDAC2OUT4 Switch", WM8983_OUT4_MONO_MIX_CTRL,
415 3, 1, 0),
416 SOC_DAPM_SINGLE("RDAC2OUT4 Switch", WM8983_OUT4_MONO_MIX_CTRL,
417 0, 1, 0),
418};
419
420static const struct snd_kcontrol_new right_boost_mixer[] = {
421 SOC_DAPM_SINGLE_TLV("R2 Volume", WM8983_RIGHT_ADC_BOOST_CTRL,
422 4, 7, 0, boost_tlv),
423 SOC_DAPM_SINGLE_TLV("AUXR Volume", WM8983_RIGHT_ADC_BOOST_CTRL,
424 0, 7, 0, boost_tlv)
425};
426
427static const struct snd_soc_dapm_widget wm8983_dapm_widgets[] = {
428 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8983_POWER_MANAGEMENT_3,
429 0, 0),
430 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8983_POWER_MANAGEMENT_3,
431 1, 0),
432 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8983_POWER_MANAGEMENT_2,
433 0, 0),
434 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8983_POWER_MANAGEMENT_2,
435 1, 0),
436
437 SND_SOC_DAPM_MIXER("Left Output Mixer", WM8983_POWER_MANAGEMENT_3,
438 2, 0, left_out_mixer, ARRAY_SIZE(left_out_mixer)),
439 SND_SOC_DAPM_MIXER("Right Output Mixer", WM8983_POWER_MANAGEMENT_3,
440 3, 0, right_out_mixer, ARRAY_SIZE(right_out_mixer)),
441
442 SND_SOC_DAPM_MIXER("Left Input Mixer", WM8983_POWER_MANAGEMENT_2,
443 2, 0, left_input_mixer, ARRAY_SIZE(left_input_mixer)),
444 SND_SOC_DAPM_MIXER("Right Input Mixer", WM8983_POWER_MANAGEMENT_2,
445 3, 0, right_input_mixer, ARRAY_SIZE(right_input_mixer)),
446
447 SND_SOC_DAPM_MIXER("Left Boost Mixer", WM8983_POWER_MANAGEMENT_2,
448 4, 0, left_boost_mixer, ARRAY_SIZE(left_boost_mixer)),
449 SND_SOC_DAPM_MIXER("Right Boost Mixer", WM8983_POWER_MANAGEMENT_2,
450 5, 0, right_boost_mixer, ARRAY_SIZE(right_boost_mixer)),
451
452 SND_SOC_DAPM_MIXER("OUT3 Mixer", WM8983_POWER_MANAGEMENT_1,
453 6, 0, out3_mixer, ARRAY_SIZE(out3_mixer)),
454
455 SND_SOC_DAPM_MIXER("OUT4 Mixer", WM8983_POWER_MANAGEMENT_1,
456 7, 0, out4_mixer, ARRAY_SIZE(out4_mixer)),
457
458 SND_SOC_DAPM_PGA("Left Capture PGA", WM8983_LEFT_INP_PGA_GAIN_CTRL,
459 6, 1, NULL, 0),
460 SND_SOC_DAPM_PGA("Right Capture PGA", WM8983_RIGHT_INP_PGA_GAIN_CTRL,
461 6, 1, NULL, 0),
462
463 SND_SOC_DAPM_PGA("Left Headphone Out", WM8983_POWER_MANAGEMENT_2,
464 7, 0, NULL, 0),
465 SND_SOC_DAPM_PGA("Right Headphone Out", WM8983_POWER_MANAGEMENT_2,
466 8, 0, NULL, 0),
467
468 SND_SOC_DAPM_PGA("Left Speaker Out", WM8983_POWER_MANAGEMENT_3,
469 5, 0, NULL, 0),
470 SND_SOC_DAPM_PGA("Right Speaker Out", WM8983_POWER_MANAGEMENT_3,
471 6, 0, NULL, 0),
472
473 SND_SOC_DAPM_PGA("OUT3 Out", WM8983_POWER_MANAGEMENT_3,
474 7, 0, NULL, 0),
475
476 SND_SOC_DAPM_PGA("OUT4 Out", WM8983_POWER_MANAGEMENT_3,
477 8, 0, NULL, 0),
478
479 SND_SOC_DAPM_SUPPLY("Mic Bias", WM8983_POWER_MANAGEMENT_1, 4, 0,
480 NULL, 0),
481
482 SND_SOC_DAPM_INPUT("LIN"),
483 SND_SOC_DAPM_INPUT("LIP"),
484 SND_SOC_DAPM_INPUT("RIN"),
485 SND_SOC_DAPM_INPUT("RIP"),
486 SND_SOC_DAPM_INPUT("AUXL"),
487 SND_SOC_DAPM_INPUT("AUXR"),
488 SND_SOC_DAPM_INPUT("L2"),
489 SND_SOC_DAPM_INPUT("R2"),
490 SND_SOC_DAPM_OUTPUT("HPL"),
491 SND_SOC_DAPM_OUTPUT("HPR"),
492 SND_SOC_DAPM_OUTPUT("SPKL"),
493 SND_SOC_DAPM_OUTPUT("SPKR"),
494 SND_SOC_DAPM_OUTPUT("OUT3"),
495 SND_SOC_DAPM_OUTPUT("OUT4")
496};
497
498static const struct snd_soc_dapm_route wm8983_audio_map[] = {
499 { "OUT3 Mixer", "LMIX2OUT3 Switch", "Left Output Mixer" },
500 { "OUT3 Mixer", "LDAC2OUT3 Switch", "Left DAC" },
501
502 { "OUT3 Out", NULL, "OUT3 Mixer" },
503 { "OUT3", NULL, "OUT3 Out" },
504
505 { "OUT4 Mixer", "LMIX2OUT4 Switch", "Left Output Mixer" },
506 { "OUT4 Mixer", "RMIX2OUT4 Switch", "Right Output Mixer" },
507 { "OUT4 Mixer", "LDAC2OUT4 Switch", "Left DAC" },
508 { "OUT4 Mixer", "RDAC2OUT4 Switch", "Right DAC" },
509
510 { "OUT4 Out", NULL, "OUT4 Mixer" },
511 { "OUT4", NULL, "OUT4 Out" },
512
513 { "Right Output Mixer", "PCM Switch", "Right DAC" },
514 { "Right Output Mixer", "Aux Switch", "AUXR" },
515 { "Right Output Mixer", "Line Switch", "Right Boost Mixer" },
516
517 { "Left Output Mixer", "PCM Switch", "Left DAC" },
518 { "Left Output Mixer", "Aux Switch", "AUXL" },
519 { "Left Output Mixer", "Line Switch", "Left Boost Mixer" },
520
521 { "Right Headphone Out", NULL, "Right Output Mixer" },
522 { "HPR", NULL, "Right Headphone Out" },
523
524 { "Left Headphone Out", NULL, "Left Output Mixer" },
525 { "HPL", NULL, "Left Headphone Out" },
526
527 { "Right Speaker Out", NULL, "Right Output Mixer" },
528 { "SPKR", NULL, "Right Speaker Out" },
529
530 { "Left Speaker Out", NULL, "Left Output Mixer" },
531 { "SPKL", NULL, "Left Speaker Out" },
532
533 { "Right ADC", NULL, "Right Boost Mixer" },
534
535 { "Right Boost Mixer", "AUXR Volume", "AUXR" },
536 { "Right Boost Mixer", NULL, "Right Capture PGA" },
537 { "Right Boost Mixer", "R2 Volume", "R2" },
538
539 { "Left ADC", NULL, "Left Boost Mixer" },
540
541 { "Left Boost Mixer", "AUXL Volume", "AUXL" },
542 { "Left Boost Mixer", NULL, "Left Capture PGA" },
543 { "Left Boost Mixer", "L2 Volume", "L2" },
544
545 { "Right Capture PGA", NULL, "Right Input Mixer" },
546 { "Left Capture PGA", NULL, "Left Input Mixer" },
547
548 { "Right Input Mixer", "R2 Switch", "R2" },
549 { "Right Input Mixer", "MicN Switch", "RIN" },
550 { "Right Input Mixer", "MicP Switch", "RIP" },
551
552 { "Left Input Mixer", "L2 Switch", "L2" },
553 { "Left Input Mixer", "MicN Switch", "LIN" },
554 { "Left Input Mixer", "MicP Switch", "LIP" },
555};
556
557static int eqmode_get(struct snd_kcontrol *kcontrol,
558 struct snd_ctl_elem_value *ucontrol)
559{
560 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
561 unsigned int reg;
562
563 reg = snd_soc_read(codec, WM8983_EQ1_LOW_SHELF);
564 if (reg & WM8983_EQ3DMODE)
565 ucontrol->value.integer.value[0] = 1;
566 else
567 ucontrol->value.integer.value[0] = 0;
568
569 return 0;
570}
571
572static int eqmode_put(struct snd_kcontrol *kcontrol,
573 struct snd_ctl_elem_value *ucontrol)
574{
575 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
576 unsigned int regpwr2, regpwr3;
577 unsigned int reg_eq;
578
579 if (ucontrol->value.integer.value[0] != 0
580 && ucontrol->value.integer.value[0] != 1)
581 return -EINVAL;
582
583 reg_eq = snd_soc_read(codec, WM8983_EQ1_LOW_SHELF);
584 switch ((reg_eq & WM8983_EQ3DMODE) >> WM8983_EQ3DMODE_SHIFT) {
585 case 0:
586 if (!ucontrol->value.integer.value[0])
587 return 0;
588 break;
589 case 1:
590 if (ucontrol->value.integer.value[0])
591 return 0;
592 break;
593 }
594
595 regpwr2 = snd_soc_read(codec, WM8983_POWER_MANAGEMENT_2);
596 regpwr3 = snd_soc_read(codec, WM8983_POWER_MANAGEMENT_3);
597 /* disable the DACs and ADCs */
598 snd_soc_update_bits(codec, WM8983_POWER_MANAGEMENT_2,
599 WM8983_ADCENR_MASK | WM8983_ADCENL_MASK, 0);
600 snd_soc_update_bits(codec, WM8983_POWER_MANAGEMENT_3,
601 WM8983_DACENR_MASK | WM8983_DACENL_MASK, 0);
602 /* set the desired eqmode */
603 snd_soc_update_bits(codec, WM8983_EQ1_LOW_SHELF,
604 WM8983_EQ3DMODE_MASK,
605 ucontrol->value.integer.value[0]
606 << WM8983_EQ3DMODE_SHIFT);
607 /* restore DAC/ADC configuration */
608 snd_soc_write(codec, WM8983_POWER_MANAGEMENT_2, regpwr2);
609 snd_soc_write(codec, WM8983_POWER_MANAGEMENT_3, regpwr3);
610 return 0;
611}
612
613static int wm8983_readable(struct snd_soc_codec *codec, unsigned int reg)
614{
615 if (reg > WM8983_MAX_REGISTER)
616 return 0;
617
618 return wm8983_access_masks[reg].read != 0;
619}
620
621static int wm8983_dac_mute(struct snd_soc_dai *dai, int mute)
622{
623 struct snd_soc_codec *codec = dai->codec;
624
625 return snd_soc_update_bits(codec, WM8983_DAC_CONTROL,
626 WM8983_SOFTMUTE_MASK,
627 !!mute << WM8983_SOFTMUTE_SHIFT);
628}
629
630static int wm8983_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
631{
632 struct snd_soc_codec *codec = dai->codec;
633 u16 format, master, bcp, lrp;
634
635 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
636 case SND_SOC_DAIFMT_I2S:
637 format = 0x2;
638 break;
639 case SND_SOC_DAIFMT_RIGHT_J:
640 format = 0x0;
641 break;
642 case SND_SOC_DAIFMT_LEFT_J:
643 format = 0x1;
644 break;
645 case SND_SOC_DAIFMT_DSP_A:
646 case SND_SOC_DAIFMT_DSP_B:
647 format = 0x3;
648 break;
649 default:
650 dev_err(dai->dev, "Unknown dai format\n");
651 return -EINVAL;
652 }
653
654 snd_soc_update_bits(codec, WM8983_AUDIO_INTERFACE,
655 WM8983_FMT_MASK, format << WM8983_FMT_SHIFT);
656
657 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
658 case SND_SOC_DAIFMT_CBM_CFM:
659 master = 1;
660 break;
661 case SND_SOC_DAIFMT_CBS_CFS:
662 master = 0;
663 break;
664 default:
665 dev_err(dai->dev, "Unknown master/slave configuration\n");
666 return -EINVAL;
667 }
668
669 snd_soc_update_bits(codec, WM8983_CLOCK_GEN_CONTROL,
670 WM8983_MS_MASK, master << WM8983_MS_SHIFT);
671
672 /* FIXME: We don't currently support DSP A/B modes */
673 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
674 case SND_SOC_DAIFMT_DSP_A:
675 case SND_SOC_DAIFMT_DSP_B:
676 dev_err(dai->dev, "DSP A/B modes are not supported\n");
677 return -EINVAL;
678 default:
679 break;
680 }
681
682 bcp = lrp = 0;
683 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
684 case SND_SOC_DAIFMT_NB_NF:
685 break;
686 case SND_SOC_DAIFMT_IB_IF:
687 bcp = lrp = 1;
688 break;
689 case SND_SOC_DAIFMT_IB_NF:
690 bcp = 1;
691 break;
692 case SND_SOC_DAIFMT_NB_IF:
693 lrp = 1;
694 break;
695 default:
696 dev_err(dai->dev, "Unknown polarity configuration\n");
697 return -EINVAL;
698 }
699
700 snd_soc_update_bits(codec, WM8983_AUDIO_INTERFACE,
701 WM8983_LRCP_MASK, lrp << WM8983_LRCP_SHIFT);
702 snd_soc_update_bits(codec, WM8983_AUDIO_INTERFACE,
703 WM8983_BCP_MASK, bcp << WM8983_BCP_SHIFT);
704 return 0;
705}
706
707static int wm8983_hw_params(struct snd_pcm_substream *substream,
708 struct snd_pcm_hw_params *params,
709 struct snd_soc_dai *dai)
710{
711 int i;
712 struct snd_soc_codec *codec = dai->codec;
713 struct wm8983_priv *wm8983 = snd_soc_codec_get_drvdata(codec);
714 u16 blen, srate_idx;
715 u32 tmp;
716 int srate_best;
717 int ret;
718
719 ret = snd_soc_params_to_bclk(params);
720 if (ret < 0) {
721 dev_err(codec->dev, "Failed to convert params to bclk: %d\n", ret);
722 return ret;
723 }
724
725 wm8983->bclk = ret;
726
727 switch (params_format(params)) {
728 case SNDRV_PCM_FORMAT_S16_LE:
729 blen = 0x0;
730 break;
731 case SNDRV_PCM_FORMAT_S20_3LE:
732 blen = 0x1;
733 break;
734 case SNDRV_PCM_FORMAT_S24_LE:
735 blen = 0x2;
736 break;
737 case SNDRV_PCM_FORMAT_S32_LE:
738 blen = 0x3;
739 break;
740 default:
741 dev_err(dai->dev, "Unsupported word length %u\n",
742 params_format(params));
743 return -EINVAL;
744 }
745
746 snd_soc_update_bits(codec, WM8983_AUDIO_INTERFACE,
747 WM8983_WL_MASK, blen << WM8983_WL_SHIFT);
748
749 /*
750 * match to the nearest possible sample rate and rely
751 * on the array index to configure the SR register
752 */
753 srate_idx = 0;
754 srate_best = abs(srates[0] - params_rate(params));
755 for (i = 1; i < ARRAY_SIZE(srates); ++i) {
756 if (abs(srates[i] - params_rate(params)) >= srate_best)
757 continue;
758 srate_idx = i;
759 srate_best = abs(srates[i] - params_rate(params));
760 }
761
762 dev_dbg(dai->dev, "Selected SRATE = %d\n", srates[srate_idx]);
763 snd_soc_update_bits(codec, WM8983_ADDITIONAL_CONTROL,
764 WM8983_SR_MASK, srate_idx << WM8983_SR_SHIFT);
765
766 dev_dbg(dai->dev, "Target BCLK = %uHz\n", wm8983->bclk);
767 dev_dbg(dai->dev, "SYSCLK = %uHz\n", wm8983->sysclk);
768
769 for (i = 0; i < ARRAY_SIZE(fs_ratios); ++i) {
770 if (wm8983->sysclk / params_rate(params)
771 == fs_ratios[i].ratio)
772 break;
773 }
774
775 if (i == ARRAY_SIZE(fs_ratios)) {
776 dev_err(dai->dev, "Unable to configure MCLK ratio %u/%u\n",
777 wm8983->sysclk, params_rate(params));
778 return -EINVAL;
779 }
780
781 dev_dbg(dai->dev, "MCLK ratio = %dfs\n", fs_ratios[i].ratio);
782 snd_soc_update_bits(codec, WM8983_CLOCK_GEN_CONTROL,
783 WM8983_MCLKDIV_MASK, i << WM8983_MCLKDIV_SHIFT);
784
785 /* select the appropriate bclk divider */
786 tmp = (wm8983->sysclk / fs_ratios[i].div) * 10;
787 for (i = 0; i < ARRAY_SIZE(bclk_divs); ++i) {
788 if (wm8983->bclk == tmp / bclk_divs[i])
789 break;
790 }
791
792 if (i == ARRAY_SIZE(bclk_divs)) {
793 dev_err(dai->dev, "No matching BCLK divider found\n");
794 return -EINVAL;
795 }
796
797 dev_dbg(dai->dev, "BCLK div = %d\n", i);
798 snd_soc_update_bits(codec, WM8983_CLOCK_GEN_CONTROL,
799 WM8983_BCLKDIV_MASK, i << WM8983_BCLKDIV_SHIFT);
800
801 return 0;
802}
803
804struct pll_div {
805 u32 div2:1;
806 u32 n:4;
807 u32 k:24;
808};
809
810#define FIXED_PLL_SIZE ((1ULL << 24) * 10)
811static int pll_factors(struct pll_div *pll_div, unsigned int target,
812 unsigned int source)
813{
814 u64 Kpart;
815 unsigned long int K, Ndiv, Nmod;
816
817 pll_div->div2 = 0;
818 Ndiv = target / source;
819 if (Ndiv < 6) {
820 source >>= 1;
821 pll_div->div2 = 1;
822 Ndiv = target / source;
823 }
824
825 if (Ndiv < 6 || Ndiv > 12) {
826 printk(KERN_ERR "%s: WM8983 N value is not within"
827 " the recommended range: %lu\n", __func__, Ndiv);
828 return -EINVAL;
829 }
830 pll_div->n = Ndiv;
831
832 Nmod = target % source;
833 Kpart = FIXED_PLL_SIZE * (u64)Nmod;
834
835 do_div(Kpart, source);
836
837 K = Kpart & 0xffffffff;
838 if ((K % 10) >= 5)
839 K += 5;
840 K /= 10;
841 pll_div->k = K;
842 return 0;
843}
844
845static int wm8983_set_pll(struct snd_soc_dai *dai, int pll_id,
846 int source, unsigned int freq_in,
847 unsigned int freq_out)
848{
849 int ret;
850 struct snd_soc_codec *codec;
851 struct pll_div pll_div;
852
853 codec = dai->codec;
854 if (freq_in && freq_out) {
855 ret = pll_factors(&pll_div, freq_out * 4 * 2, freq_in);
856 if (ret)
857 return ret;
858 }
859
860 /* disable the PLL before re-programming it */
861 snd_soc_update_bits(codec, WM8983_POWER_MANAGEMENT_1,
862 WM8983_PLLEN_MASK, 0);
863
864 if (!freq_in || !freq_out)
865 return 0;
866
867 /* set PLLN and PRESCALE */
868 snd_soc_write(codec, WM8983_PLL_N,
869 (pll_div.div2 << WM8983_PLL_PRESCALE_SHIFT)
870 | pll_div.n);
871 /* set PLLK */
872 snd_soc_write(codec, WM8983_PLL_K_3, pll_div.k & 0x1ff);
873 snd_soc_write(codec, WM8983_PLL_K_2, (pll_div.k >> 9) & 0x1ff);
874 snd_soc_write(codec, WM8983_PLL_K_1, (pll_div.k >> 18));
875 /* enable the PLL */
876 snd_soc_update_bits(codec, WM8983_POWER_MANAGEMENT_1,
877 WM8983_PLLEN_MASK, WM8983_PLLEN);
878 return 0;
879}
880
881static int wm8983_set_sysclk(struct snd_soc_dai *dai,
882 int clk_id, unsigned int freq, int dir)
883{
884 struct snd_soc_codec *codec = dai->codec;
885 struct wm8983_priv *wm8983 = snd_soc_codec_get_drvdata(codec);
886
887 switch (clk_id) {
888 case WM8983_CLKSRC_MCLK:
889 snd_soc_update_bits(codec, WM8983_CLOCK_GEN_CONTROL,
890 WM8983_CLKSEL_MASK, 0);
891 break;
892 case WM8983_CLKSRC_PLL:
893 snd_soc_update_bits(codec, WM8983_CLOCK_GEN_CONTROL,
894 WM8983_CLKSEL_MASK, WM8983_CLKSEL);
895 break;
896 default:
897 dev_err(dai->dev, "Unknown clock source: %d\n", clk_id);
898 return -EINVAL;
899 }
900
901 wm8983->sysclk = freq;
902 return 0;
903}
904
905static int wm8983_set_bias_level(struct snd_soc_codec *codec,
906 enum snd_soc_bias_level level)
907{
908 int ret;
909
910 switch (level) {
911 case SND_SOC_BIAS_ON:
912 case SND_SOC_BIAS_PREPARE:
913 /* VMID at 100k */
914 snd_soc_update_bits(codec, WM8983_POWER_MANAGEMENT_1,
915 WM8983_VMIDSEL_MASK,
916 1 << WM8983_VMIDSEL_SHIFT);
917 break;
918 case SND_SOC_BIAS_STANDBY:
919 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
920 ret = snd_soc_cache_sync(codec);
921 if (ret < 0) {
922 dev_err(codec->dev, "Failed to sync cache: %d\n", ret);
923 return ret;
924 }
925 /* enable anti-pop features */
926 snd_soc_update_bits(codec, WM8983_OUT4_TO_ADC,
927 WM8983_POBCTRL_MASK | WM8983_DELEN_MASK,
928 WM8983_POBCTRL | WM8983_DELEN);
929 /* enable thermal shutdown */
930 snd_soc_update_bits(codec, WM8983_OUTPUT_CTRL,
931 WM8983_TSDEN_MASK, WM8983_TSDEN);
932 /* enable BIASEN */
933 snd_soc_update_bits(codec, WM8983_POWER_MANAGEMENT_1,
934 WM8983_BIASEN_MASK, WM8983_BIASEN);
935 /* VMID at 100k */
936 snd_soc_update_bits(codec, WM8983_POWER_MANAGEMENT_1,
937 WM8983_VMIDSEL_MASK,
938 1 << WM8983_VMIDSEL_SHIFT);
939 msleep(250);
940 /* disable anti-pop features */
941 snd_soc_update_bits(codec, WM8983_OUT4_TO_ADC,
942 WM8983_POBCTRL_MASK |
943 WM8983_DELEN_MASK, 0);
944 }
945
946 /* VMID at 500k */
947 snd_soc_update_bits(codec, WM8983_POWER_MANAGEMENT_1,
948 WM8983_VMIDSEL_MASK,
949 2 << WM8983_VMIDSEL_SHIFT);
950 break;
951 case SND_SOC_BIAS_OFF:
952 /* disable thermal shutdown */
953 snd_soc_update_bits(codec, WM8983_OUTPUT_CTRL,
954 WM8983_TSDEN_MASK, 0);
955 /* disable VMIDSEL and BIASEN */
956 snd_soc_update_bits(codec, WM8983_POWER_MANAGEMENT_1,
957 WM8983_VMIDSEL_MASK | WM8983_BIASEN_MASK,
958 0);
959 /* wait for VMID to discharge */
960 msleep(100);
961 snd_soc_write(codec, WM8983_POWER_MANAGEMENT_1, 0);
962 snd_soc_write(codec, WM8983_POWER_MANAGEMENT_2, 0);
963 snd_soc_write(codec, WM8983_POWER_MANAGEMENT_3, 0);
964 break;
965 }
966
967 codec->dapm.bias_level = level;
968 return 0;
969}
970
971#ifdef CONFIG_PM
972static int wm8983_suspend(struct snd_soc_codec *codec)
973{
974 wm8983_set_bias_level(codec, SND_SOC_BIAS_OFF);
975 return 0;
976}
977
978static int wm8983_resume(struct snd_soc_codec *codec)
979{
980 wm8983_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
981 return 0;
982}
983#else
984#define wm8983_suspend NULL
985#define wm8983_resume NULL
986#endif
987
988static int wm8983_remove(struct snd_soc_codec *codec)
989{
990 wm8983_set_bias_level(codec, SND_SOC_BIAS_OFF);
991 return 0;
992}
993
994static int wm8983_probe(struct snd_soc_codec *codec)
995{
996 int ret;
997 struct wm8983_priv *wm8983 = snd_soc_codec_get_drvdata(codec);
998 int i;
999
1000 ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8983->control_type);
1001 if (ret < 0) {
1002 dev_err(codec->dev, "Failed to set cache i/o: %d\n", ret);
1003 return ret;
1004 }
1005
1006 ret = snd_soc_write(codec, WM8983_SOFTWARE_RESET, 0);
1007 if (ret < 0) {
1008 dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
1009 return ret;
1010 }
1011
1012 /* set the vol/gain update bits */
1013 for (i = 0; i < ARRAY_SIZE(vol_update_regs); ++i)
1014 snd_soc_update_bits(codec, vol_update_regs[i],
1015 0x100, 0x100);
1016
1017 /* mute all outputs and set PGAs to minimum gain */
1018 for (i = WM8983_LOUT1_HP_VOLUME_CTRL;
1019 i <= WM8983_OUT4_MONO_MIX_CTRL; ++i)
1020 snd_soc_update_bits(codec, i, 0x40, 0x40);
1021
1022 /* enable soft mute */
1023 snd_soc_update_bits(codec, WM8983_DAC_CONTROL,
1024 WM8983_SOFTMUTE_MASK,
1025 WM8983_SOFTMUTE);
1026
1027 /* enable BIASCUT */
1028 snd_soc_update_bits(codec, WM8983_BIAS_CTRL,
1029 WM8983_BIASCUT, WM8983_BIASCUT);
1030 return 0;
1031}
1032
1033static const struct snd_soc_dai_ops wm8983_dai_ops = {
1034 .digital_mute = wm8983_dac_mute,
1035 .hw_params = wm8983_hw_params,
1036 .set_fmt = wm8983_set_fmt,
1037 .set_sysclk = wm8983_set_sysclk,
1038 .set_pll = wm8983_set_pll
1039};
1040
1041#define WM8983_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1042 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1043
1044static struct snd_soc_dai_driver wm8983_dai = {
1045 .name = "wm8983-hifi",
1046 .playback = {
1047 .stream_name = "Playback",
1048 .channels_min = 2,
1049 .channels_max = 2,
1050 .rates = SNDRV_PCM_RATE_8000_48000,
1051 .formats = WM8983_FORMATS,
1052 },
1053 .capture = {
1054 .stream_name = "Capture",
1055 .channels_min = 2,
1056 .channels_max = 2,
1057 .rates = SNDRV_PCM_RATE_8000_48000,
1058 .formats = WM8983_FORMATS,
1059 },
1060 .ops = &wm8983_dai_ops,
1061 .symmetric_rates = 1
1062};
1063
1064static struct snd_soc_codec_driver soc_codec_dev_wm8983 = {
1065 .probe = wm8983_probe,
1066 .remove = wm8983_remove,
1067 .suspend = wm8983_suspend,
1068 .resume = wm8983_resume,
1069 .set_bias_level = wm8983_set_bias_level,
1070 .reg_cache_size = ARRAY_SIZE(wm8983_reg_defs),
1071 .reg_word_size = sizeof(u16),
1072 .reg_cache_default = wm8983_reg_defs,
1073 .controls = wm8983_snd_controls,
1074 .num_controls = ARRAY_SIZE(wm8983_snd_controls),
1075 .dapm_widgets = wm8983_dapm_widgets,
1076 .num_dapm_widgets = ARRAY_SIZE(wm8983_dapm_widgets),
1077 .dapm_routes = wm8983_audio_map,
1078 .num_dapm_routes = ARRAY_SIZE(wm8983_audio_map),
1079 .readable_register = wm8983_readable
1080};
1081
1082#if defined(CONFIG_SPI_MASTER)
1083static int __devinit wm8983_spi_probe(struct spi_device *spi)
1084{
1085 struct wm8983_priv *wm8983;
1086 int ret;
1087
1088 wm8983 = kzalloc(sizeof *wm8983, GFP_KERNEL);
1089 if (!wm8983)
1090 return -ENOMEM;
1091
1092 wm8983->control_type = SND_SOC_SPI;
1093 spi_set_drvdata(spi, wm8983);
1094
1095 ret = snd_soc_register_codec(&spi->dev,
1096 &soc_codec_dev_wm8983, &wm8983_dai, 1);
1097 if (ret < 0)
1098 kfree(wm8983);
1099 return ret;
1100}
1101
1102static int __devexit wm8983_spi_remove(struct spi_device *spi)
1103{
1104 snd_soc_unregister_codec(&spi->dev);
1105 kfree(spi_get_drvdata(spi));
1106 return 0;
1107}
1108
1109static struct spi_driver wm8983_spi_driver = {
1110 .driver = {
1111 .name = "wm8983",
1112 .owner = THIS_MODULE,
1113 },
1114 .probe = wm8983_spi_probe,
1115 .remove = __devexit_p(wm8983_spi_remove)
1116};
1117#endif
1118
1119#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1120static __devinit int wm8983_i2c_probe(struct i2c_client *i2c,
1121 const struct i2c_device_id *id)
1122{
1123 struct wm8983_priv *wm8983;
1124 int ret;
1125
1126 wm8983 = kzalloc(sizeof *wm8983, GFP_KERNEL);
1127 if (!wm8983)
1128 return -ENOMEM;
1129
1130 wm8983->control_type = SND_SOC_I2C;
1131 i2c_set_clientdata(i2c, wm8983);
1132
1133 ret = snd_soc_register_codec(&i2c->dev,
1134 &soc_codec_dev_wm8983, &wm8983_dai, 1);
1135 if (ret < 0)
1136 kfree(wm8983);
1137 return ret;
1138}
1139
1140static __devexit int wm8983_i2c_remove(struct i2c_client *client)
1141{
1142 snd_soc_unregister_codec(&client->dev);
1143 kfree(i2c_get_clientdata(client));
1144 return 0;
1145}
1146
1147static const struct i2c_device_id wm8983_i2c_id[] = {
1148 { "wm8983", 0 },
1149 { }
1150};
1151MODULE_DEVICE_TABLE(i2c, wm8983_i2c_id);
1152
1153static struct i2c_driver wm8983_i2c_driver = {
1154 .driver = {
1155 .name = "wm8983",
1156 .owner = THIS_MODULE,
1157 },
1158 .probe = wm8983_i2c_probe,
1159 .remove = __devexit_p(wm8983_i2c_remove),
1160 .id_table = wm8983_i2c_id
1161};
1162#endif
1163
1164static int __init wm8983_modinit(void)
1165{
1166 int ret = 0;
1167
1168#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1169 ret = i2c_add_driver(&wm8983_i2c_driver);
1170 if (ret) {
1171 printk(KERN_ERR "Failed to register wm8983 I2C driver: %d\n",
1172 ret);
1173 }
1174#endif
1175#if defined(CONFIG_SPI_MASTER)
1176 ret = spi_register_driver(&wm8983_spi_driver);
1177 if (ret != 0) {
1178 printk(KERN_ERR "Failed to register wm8983 SPI driver: %d\n",
1179 ret);
1180 }
1181#endif
1182 return ret;
1183}
1184module_init(wm8983_modinit);
1185
1186static void __exit wm8983_exit(void)
1187{
1188#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
1189 i2c_del_driver(&wm8983_i2c_driver);
1190#endif
1191#if defined(CONFIG_SPI_MASTER)
1192 spi_unregister_driver(&wm8983_spi_driver);
1193#endif
1194}
1195module_exit(wm8983_exit);
1196
1197MODULE_DESCRIPTION("ASoC WM8983 driver");
1198MODULE_AUTHOR("Dimitris Papastamos <dp@opensource.wolfsonmicro.com>");
1199MODULE_LICENSE("GPL");