]> git.proxmox.com Git - mirror_ubuntu-jammy-kernel.git/blame - sound/soc/codecs/wm8960.c
projects / mirror_ubuntu-jammy-kernel.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
ASoC: Remove current WM8960 deemphasis control
[mirror_ubuntu-jammy-kernel.git] / sound / soc / codecs / wm8960.c
CommitLineData
f2644a2c
MB		 1/*
2 * wm8960.c -- WM8960 ALSA SoC Audio driver
3 *
4 * Author: Liam Girdwood
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#include <linux/module.h>
12#include <linux/moduleparam.h>
13#include <linux/init.h>
14#include <linux/delay.h>
15#include <linux/pm.h>
16#include <linux/i2c.h>
17#include <linux/platform_device.h>
5a0e3ad6 18#include <linux/slab.h>
f2644a2c
MB		 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>
b6877a47 26#include <sound/wm8960.h>
f2644a2c
MB		 27
28#include "wm8960.h"
29
30#define AUDIO_NAME "wm8960"
31
32struct snd_soc_codec_device soc_codec_dev_wm8960;
33
34/* R25 - Power 1 */
913d7b4c 35#define WM8960_VMID_MASK 0x180
f2644a2c
MB		 36#define WM8960_VREF 0x40
37
913d7b4c
MB		 38/* R26 - Power 2 */
39#define WM8960_PWR2_LOUT1 0x40
40#define WM8960_PWR2_ROUT1 0x20
41#define WM8960_PWR2_OUT3 0x02
42
f2644a2c
MB		 43/* R28 - Anti-pop 1 */
44#define WM8960_POBCTRL 0x80
45#define WM8960_BUFDCOPEN 0x10
46#define WM8960_BUFIOEN 0x08
47#define WM8960_SOFT_ST 0x04
48#define WM8960_HPSTBY 0x01
49
50/* R29 - Anti-pop 2 */
51#define WM8960_DISOP 0x40
913d7b4c 52#define WM8960_DRES_MASK 0x30
f2644a2c
MB		 53
54/*
55 * wm8960 register cache
56 * We can't read the WM8960 register space when we are
57 * using 2 wire for device control, so we cache them instead.
58 */
59static const u16 wm8960_reg[WM8960_CACHEREGNUM] = {
60 0x0097, 0x0097, 0x0000, 0x0000,
61 0x0000, 0x0008, 0x0000, 0x000a,
62 0x01c0, 0x0000, 0x00ff, 0x00ff,
63 0x0000, 0x0000, 0x0000, 0x0000,
64 0x0000, 0x007b, 0x0100, 0x0032,
65 0x0000, 0x00c3, 0x00c3, 0x01c0,
66 0x0000, 0x0000, 0x0000, 0x0000,
67 0x0000, 0x0000, 0x0000, 0x0000,
68 0x0100, 0x0100, 0x0050, 0x0050,
69 0x0050, 0x0050, 0x0000, 0x0000,
70 0x0000, 0x0000, 0x0040, 0x0000,
71 0x0000, 0x0050, 0x0050, 0x0000,
72 0x0002, 0x0037, 0x004d, 0x0080,
73 0x0008, 0x0031, 0x0026, 0x00e9,
74};
75
76struct wm8960_priv {
77 u16 reg_cache[WM8960_CACHEREGNUM];
78 struct snd_soc_codec codec;
913d7b4c
MB		 79 struct snd_soc_dapm_widget *lout1;
80 struct snd_soc_dapm_widget *rout1;
81 struct snd_soc_dapm_widget *out3;
f2644a2c
MB		 82};
83
17a52fd6 84#define wm8960_reset(c) snd_soc_write(c, WM8960_RESET, 0)
f2644a2c
MB		 85
86/* enumerated controls */
f2644a2c
MB		 87static const char *wm8960_polarity[] = {"No Inversion", "Left Inverted",
88 "Right Inverted", "Stereo Inversion"};
89static const char *wm8960_3d_upper_cutoff[] = {"High", "Low"};
90static const char *wm8960_3d_lower_cutoff[] = {"Low", "High"};
91static const char *wm8960_alcfunc[] = {"Off", "Right", "Left", "Stereo"};
92static const char *wm8960_alcmode[] = {"ALC", "Limiter"};
93
94static const struct soc_enum wm8960_enum[] = {
f2644a2c
MB		 95 SOC_ENUM_SINGLE(WM8960_DACCTL1, 5, 4, wm8960_polarity),
96 SOC_ENUM_SINGLE(WM8960_DACCTL2, 5, 4, wm8960_polarity),
97 SOC_ENUM_SINGLE(WM8960_3D, 6, 2, wm8960_3d_upper_cutoff),
98 SOC_ENUM_SINGLE(WM8960_3D, 5, 2, wm8960_3d_lower_cutoff),
99 SOC_ENUM_SINGLE(WM8960_ALC1, 7, 4, wm8960_alcfunc),
100 SOC_ENUM_SINGLE(WM8960_ALC3, 8, 2, wm8960_alcmode),
101};
102
103static const DECLARE_TLV_DB_SCALE(adc_tlv, -9700, 50, 0);
104static const DECLARE_TLV_DB_SCALE(dac_tlv, -12700, 50, 1);
105static const DECLARE_TLV_DB_SCALE(bypass_tlv, -2100, 300, 0);
106static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
107
108static const struct snd_kcontrol_new wm8960_snd_controls[] = {
109SOC_DOUBLE_R_TLV("Capture Volume", WM8960_LINVOL, WM8960_RINVOL,
110 0, 63, 0, adc_tlv),
111SOC_DOUBLE_R("Capture Volume ZC Switch", WM8960_LINVOL, WM8960_RINVOL,
112 6, 1, 0),
113SOC_DOUBLE_R("Capture Switch", WM8960_LINVOL, WM8960_RINVOL,
114 7, 1, 0),
115
116SOC_DOUBLE_R_TLV("Playback Volume", WM8960_LDAC, WM8960_RDAC,
117 0, 255, 0, dac_tlv),
118
119SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8960_LOUT1, WM8960_ROUT1,
120 0, 127, 0, out_tlv),
121SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8960_LOUT1, WM8960_ROUT1,
122 7, 1, 0),
123
124SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8960_LOUT2, WM8960_ROUT2,
125 0, 127, 0, out_tlv),
126SOC_DOUBLE_R("Speaker Playback ZC Switch", WM8960_LOUT2, WM8960_ROUT2,
127 7, 1, 0),
128SOC_SINGLE("Speaker DC Volume", WM8960_CLASSD3, 3, 5, 0),
129SOC_SINGLE("Speaker AC Volume", WM8960_CLASSD3, 0, 5, 0),
130
131SOC_SINGLE("PCM Playback -6dB Switch", WM8960_DACCTL1, 7, 1, 0),
4faaa8d9 132SOC_ENUM("ADC Polarity", wm8960_enum[0]),
f2644a2c
MB		 133SOC_SINGLE("ADC High Pass Filter Switch", WM8960_DACCTL1, 0, 1, 0),
134
135SOC_ENUM("DAC Polarity", wm8960_enum[2]),
136
4faaa8d9
MB		 137SOC_ENUM("3D Filter Upper Cut-Off", wm8960_enum[2]),
138SOC_ENUM("3D Filter Lower Cut-Off", wm8960_enum[3]),
f2644a2c
MB		 139SOC_SINGLE("3D Volume", WM8960_3D, 1, 15, 0),
140SOC_SINGLE("3D Switch", WM8960_3D, 0, 1, 0),
141
4faaa8d9 142SOC_ENUM("ALC Function", wm8960_enum[4]),
f2644a2c
MB		 143SOC_SINGLE("ALC Max Gain", WM8960_ALC1, 4, 7, 0),
144SOC_SINGLE("ALC Target", WM8960_ALC1, 0, 15, 1),
145SOC_SINGLE("ALC Min Gain", WM8960_ALC2, 4, 7, 0),
146SOC_SINGLE("ALC Hold Time", WM8960_ALC2, 0, 15, 0),
4faaa8d9 147SOC_ENUM("ALC Mode", wm8960_enum[5]),
f2644a2c
MB		 148SOC_SINGLE("ALC Decay", WM8960_ALC3, 4, 15, 0),
149SOC_SINGLE("ALC Attack", WM8960_ALC3, 0, 15, 0),
150
151SOC_SINGLE("Noise Gate Threshold", WM8960_NOISEG, 3, 31, 0),
152SOC_SINGLE("Noise Gate Switch", WM8960_NOISEG, 0, 1, 0),
153
154SOC_DOUBLE_R("ADC PCM Capture Volume", WM8960_LINPATH, WM8960_RINPATH,
155 0, 127, 0),
156
157SOC_SINGLE_TLV("Left Output Mixer Boost Bypass Volume",
158 WM8960_BYPASS1, 4, 7, 1, bypass_tlv),
159SOC_SINGLE_TLV("Left Output Mixer LINPUT3 Volume",
160 WM8960_LOUTMIX, 4, 7, 1, bypass_tlv),
161SOC_SINGLE_TLV("Right Output Mixer Boost Bypass Volume",
162 WM8960_BYPASS2, 4, 7, 1, bypass_tlv),
163SOC_SINGLE_TLV("Right Output Mixer RINPUT3 Volume",
164 WM8960_ROUTMIX, 4, 7, 1, bypass_tlv),
165};
166
167static const struct snd_kcontrol_new wm8960_lin_boost[] = {
168SOC_DAPM_SINGLE("LINPUT2 Switch", WM8960_LINPATH, 6, 1, 0),
169SOC_DAPM_SINGLE("LINPUT3 Switch", WM8960_LINPATH, 7, 1, 0),
170SOC_DAPM_SINGLE("LINPUT1 Switch", WM8960_LINPATH, 8, 1, 0),
171};
172
173static const struct snd_kcontrol_new wm8960_lin[] = {
174SOC_DAPM_SINGLE("Boost Switch", WM8960_LINPATH, 3, 1, 0),
175};
176
177static const struct snd_kcontrol_new wm8960_rin_boost[] = {
178SOC_DAPM_SINGLE("RINPUT2 Switch", WM8960_RINPATH, 6, 1, 0),
179SOC_DAPM_SINGLE("RINPUT3 Switch", WM8960_RINPATH, 7, 1, 0),
180SOC_DAPM_SINGLE("RINPUT1 Switch", WM8960_RINPATH, 8, 1, 0),
181};
182
183static const struct snd_kcontrol_new wm8960_rin[] = {
184SOC_DAPM_SINGLE("Boost Switch", WM8960_RINPATH, 3, 1, 0),
185};
186
187static const struct snd_kcontrol_new wm8960_loutput_mixer[] = {
188SOC_DAPM_SINGLE("PCM Playback Switch", WM8960_LOUTMIX, 8, 1, 0),
189SOC_DAPM_SINGLE("LINPUT3 Switch", WM8960_LOUTMIX, 7, 1, 0),
190SOC_DAPM_SINGLE("Boost Bypass Switch", WM8960_BYPASS1, 7, 1, 0),
191};
192
193static const struct snd_kcontrol_new wm8960_routput_mixer[] = {
194SOC_DAPM_SINGLE("PCM Playback Switch", WM8960_ROUTMIX, 8, 1, 0),
195SOC_DAPM_SINGLE("RINPUT3 Switch", WM8960_ROUTMIX, 7, 1, 0),
196SOC_DAPM_SINGLE("Boost Bypass Switch", WM8960_BYPASS2, 7, 1, 0),
197};
198
199static const struct snd_kcontrol_new wm8960_mono_out[] = {
200SOC_DAPM_SINGLE("Left Switch", WM8960_MONOMIX1, 7, 1, 0),
201SOC_DAPM_SINGLE("Right Switch", WM8960_MONOMIX2, 7, 1, 0),
202};
203
204static const struct snd_soc_dapm_widget wm8960_dapm_widgets[] = {
205SND_SOC_DAPM_INPUT("LINPUT1"),
206SND_SOC_DAPM_INPUT("RINPUT1"),
207SND_SOC_DAPM_INPUT("LINPUT2"),
208SND_SOC_DAPM_INPUT("RINPUT2"),
209SND_SOC_DAPM_INPUT("LINPUT3"),
210SND_SOC_DAPM_INPUT("RINPUT3"),
211
212SND_SOC_DAPM_MICBIAS("MICB", WM8960_POWER1, 1, 0),
213
214SND_SOC_DAPM_MIXER("Left Boost Mixer", WM8960_POWER1, 5, 0,
215 wm8960_lin_boost, ARRAY_SIZE(wm8960_lin_boost)),
216SND_SOC_DAPM_MIXER("Right Boost Mixer", WM8960_POWER1, 4, 0,
217 wm8960_rin_boost, ARRAY_SIZE(wm8960_rin_boost)),
218
219SND_SOC_DAPM_MIXER("Left Input Mixer", WM8960_POWER3, 5, 0,
220 wm8960_lin, ARRAY_SIZE(wm8960_lin)),
221SND_SOC_DAPM_MIXER("Right Input Mixer", WM8960_POWER3, 4, 0,
222 wm8960_rin, ARRAY_SIZE(wm8960_rin)),
223
224SND_SOC_DAPM_ADC("Left ADC", "Capture", WM8960_POWER2, 3, 0),
225SND_SOC_DAPM_ADC("Right ADC", "Capture", WM8960_POWER2, 2, 0),
226
227SND_SOC_DAPM_DAC("Left DAC", "Playback", WM8960_POWER2, 8, 0),
228SND_SOC_DAPM_DAC("Right DAC", "Playback", WM8960_POWER2, 7, 0),
229
230SND_SOC_DAPM_MIXER("Left Output Mixer", WM8960_POWER3, 3, 0,
231 &wm8960_loutput_mixer[0],
232 ARRAY_SIZE(wm8960_loutput_mixer)),
233SND_SOC_DAPM_MIXER("Right Output Mixer", WM8960_POWER3, 2, 0,
234 &wm8960_routput_mixer[0],
235 ARRAY_SIZE(wm8960_routput_mixer)),
236
f2644a2c
MB		 237SND_SOC_DAPM_PGA("LOUT1 PGA", WM8960_POWER2, 6, 0, NULL, 0),
238SND_SOC_DAPM_PGA("ROUT1 PGA", WM8960_POWER2, 5, 0, NULL, 0),
239
240SND_SOC_DAPM_PGA("Left Speaker PGA", WM8960_POWER2, 4, 0, NULL, 0),
241SND_SOC_DAPM_PGA("Right Speaker PGA", WM8960_POWER2, 3, 0, NULL, 0),
242
243SND_SOC_DAPM_PGA("Right Speaker Output", WM8960_CLASSD1, 7, 0, NULL, 0),
244SND_SOC_DAPM_PGA("Left Speaker Output", WM8960_CLASSD1, 6, 0, NULL, 0),
245
246SND_SOC_DAPM_OUTPUT("SPK_LP"),
247SND_SOC_DAPM_OUTPUT("SPK_LN"),
248SND_SOC_DAPM_OUTPUT("HP_L"),
249SND_SOC_DAPM_OUTPUT("HP_R"),
250SND_SOC_DAPM_OUTPUT("SPK_RP"),
251SND_SOC_DAPM_OUTPUT("SPK_RN"),
252SND_SOC_DAPM_OUTPUT("OUT3"),
253};
254
913d7b4c
MB		 255static const struct snd_soc_dapm_widget wm8960_dapm_widgets_out3[] = {
256SND_SOC_DAPM_MIXER("Mono Output Mixer", WM8960_POWER2, 1, 0,
257 &wm8960_mono_out[0],
258 ARRAY_SIZE(wm8960_mono_out)),
259};
260
261/* Represent OUT3 as a PGA so that it gets turned on with LOUT1/ROUT1 */
262static const struct snd_soc_dapm_widget wm8960_dapm_widgets_capless[] = {
263SND_SOC_DAPM_PGA("OUT3 VMID", WM8960_POWER2, 1, 0, NULL, 0),
264};
265
f2644a2c
MB		 266static const struct snd_soc_dapm_route audio_paths[] = {
267 { "Left Boost Mixer", "LINPUT1 Switch", "LINPUT1" },
268 { "Left Boost Mixer", "LINPUT2 Switch", "LINPUT2" },
269 { "Left Boost Mixer", "LINPUT3 Switch", "LINPUT3" },
270
271 { "Left Input Mixer", "Boost Switch", "Left Boost Mixer", },
272 { "Left Input Mixer", NULL, "LINPUT1", }, /* Really Boost Switch */
273 { "Left Input Mixer", NULL, "LINPUT2" },
274 { "Left Input Mixer", NULL, "LINPUT3" },
275
276 { "Right Boost Mixer", "RINPUT1 Switch", "RINPUT1" },
277 { "Right Boost Mixer", "RINPUT2 Switch", "RINPUT2" },
278 { "Right Boost Mixer", "RINPUT3 Switch", "RINPUT3" },
279
280 { "Right Input Mixer", "Boost Switch", "Right Boost Mixer", },
281 { "Right Input Mixer", NULL, "RINPUT1", }, /* Really Boost Switch */
282 { "Right Input Mixer", NULL, "RINPUT2" },
283 { "Right Input Mixer", NULL, "LINPUT3" },
284
285 { "Left ADC", NULL, "Left Input Mixer" },
286 { "Right ADC", NULL, "Right Input Mixer" },
287
288 { "Left Output Mixer", "LINPUT3 Switch", "LINPUT3" },
289 { "Left Output Mixer", "Boost Bypass Switch", "Left Boost Mixer"} ,
290 { "Left Output Mixer", "PCM Playback Switch", "Left DAC" },
291
292 { "Right Output Mixer", "RINPUT3 Switch", "RINPUT3" },
293 { "Right Output Mixer", "Boost Bypass Switch", "Right Boost Mixer" } ,
294 { "Right Output Mixer", "PCM Playback Switch", "Right DAC" },
295
f2644a2c
MB		 296 { "LOUT1 PGA", NULL, "Left Output Mixer" },
297 { "ROUT1 PGA", NULL, "Right Output Mixer" },
298
299 { "HP_L", NULL, "LOUT1 PGA" },
300 { "HP_R", NULL, "ROUT1 PGA" },
301
302 { "Left Speaker PGA", NULL, "Left Output Mixer" },
303 { "Right Speaker PGA", NULL, "Right Output Mixer" },
304
305 { "Left Speaker Output", NULL, "Left Speaker PGA" },
306 { "Right Speaker Output", NULL, "Right Speaker PGA" },
307
308 { "SPK_LN", NULL, "Left Speaker Output" },
309 { "SPK_LP", NULL, "Left Speaker Output" },
310 { "SPK_RN", NULL, "Right Speaker Output" },
311 { "SPK_RP", NULL, "Right Speaker Output" },
913d7b4c
MB		 312};
313
314static const struct snd_soc_dapm_route audio_paths_out3[] = {
315 { "Mono Output Mixer", "Left Switch", "Left Output Mixer" },
316 { "Mono Output Mixer", "Right Switch", "Right Output Mixer" },
f2644a2c
MB		 317
318 { "OUT3", NULL, "Mono Output Mixer", }
319};
320
913d7b4c
MB		 321static const struct snd_soc_dapm_route audio_paths_capless[] = {
322 { "HP_L", NULL, "OUT3 VMID" },
323 { "HP_R", NULL, "OUT3 VMID" },
324
325 { "OUT3 VMID", NULL, "Left Output Mixer" },
326 { "OUT3 VMID", NULL, "Right Output Mixer" },
327};
328
f2644a2c
MB		 329static int wm8960_add_widgets(struct snd_soc_codec *codec)
330{
913d7b4c 331 struct wm8960_data *pdata = codec->dev->platform_data;
b2c812e2 332 struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
913d7b4c
MB		 333 struct snd_soc_dapm_widget *w;
334
f2644a2c
MB		 335 snd_soc_dapm_new_controls(codec, wm8960_dapm_widgets,
336 ARRAY_SIZE(wm8960_dapm_widgets));
337
338 snd_soc_dapm_add_routes(codec, audio_paths, ARRAY_SIZE(audio_paths));
339
913d7b4c
MB		 340 /* In capless mode OUT3 is used to provide VMID for the
341 * headphone outputs, otherwise it is used as a mono mixer.
342 */
343 if (pdata && pdata->capless) {
344 snd_soc_dapm_new_controls(codec, wm8960_dapm_widgets_capless,
345 ARRAY_SIZE(wm8960_dapm_widgets_capless));
346
347 snd_soc_dapm_add_routes(codec, audio_paths_capless,
348 ARRAY_SIZE(audio_paths_capless));
349 } else {
350 snd_soc_dapm_new_controls(codec, wm8960_dapm_widgets_out3,
351 ARRAY_SIZE(wm8960_dapm_widgets_out3));
352
353 snd_soc_dapm_add_routes(codec, audio_paths_out3,
354 ARRAY_SIZE(audio_paths_out3));
355 }
356
357 /* We need to power up the headphone output stage out of
358 * sequence for capless mode. To save scanning the widget
359 * list each time to find the desired power state do so now
360 * and save the result.
361 */
362 list_for_each_entry(w, &codec->dapm_widgets, list) {
363 if (strcmp(w->name, "LOUT1 PGA") == 0)
364 wm8960->lout1 = w;
365 if (strcmp(w->name, "ROUT1 PGA") == 0)
366 wm8960->rout1 = w;
367 if (strcmp(w->name, "OUT3 VMID") == 0)
368 wm8960->out3 = w;
369 }
370
f2644a2c
MB		 371 return 0;
372}
373
374static int wm8960_set_dai_fmt(struct snd_soc_dai *codec_dai,
375 unsigned int fmt)
376{
377 struct snd_soc_codec *codec = codec_dai->codec;
378 u16 iface = 0;
379
380 /* set master/slave audio interface */
381 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
382 case SND_SOC_DAIFMT_CBM_CFM:
383 iface |= 0x0040;
384 break;
385 case SND_SOC_DAIFMT_CBS_CFS:
386 break;
387 default:
388 return -EINVAL;
389 }
390
391 /* interface format */
392 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
393 case SND_SOC_DAIFMT_I2S:
394 iface |= 0x0002;
395 break;
396 case SND_SOC_DAIFMT_RIGHT_J:
397 break;
398 case SND_SOC_DAIFMT_LEFT_J:
399 iface |= 0x0001;
400 break;
401 case SND_SOC_DAIFMT_DSP_A:
402 iface |= 0x0003;
403 break;
404 case SND_SOC_DAIFMT_DSP_B:
405 iface |= 0x0013;
406 break;
407 default:
408 return -EINVAL;
409 }
410
411 /* clock inversion */
412 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
413 case SND_SOC_DAIFMT_NB_NF:
414 break;
415 case SND_SOC_DAIFMT_IB_IF:
416 iface |= 0x0090;
417 break;
418 case SND_SOC_DAIFMT_IB_NF:
419 iface |= 0x0080;
420 break;
421 case SND_SOC_DAIFMT_NB_IF:
422 iface |= 0x0010;
423 break;
424 default:
425 return -EINVAL;
426 }
427
428 /* set iface */
17a52fd6 429 snd_soc_write(codec, WM8960_IFACE1, iface);
f2644a2c
MB		 430 return 0;
431}
432
433static int wm8960_hw_params(struct snd_pcm_substream *substream,
434 struct snd_pcm_hw_params *params,
435 struct snd_soc_dai *dai)
436{
437 struct snd_soc_pcm_runtime *rtd = substream->private_data;
438 struct snd_soc_device *socdev = rtd->socdev;
439 struct snd_soc_codec *codec = socdev->card->codec;
17a52fd6 440 u16 iface = snd_soc_read(codec, WM8960_IFACE1) & 0xfff3;
f2644a2c
MB		 441
442 /* bit size */
443 switch (params_format(params)) {
444 case SNDRV_PCM_FORMAT_S16_LE:
445 break;
446 case SNDRV_PCM_FORMAT_S20_3LE:
447 iface |= 0x0004;
448 break;
449 case SNDRV_PCM_FORMAT_S24_LE:
450 iface |= 0x0008;
451 break;
452 }
453
454 /* set iface */
17a52fd6 455 snd_soc_write(codec, WM8960_IFACE1, iface);
f2644a2c
MB		 456 return 0;
457}
458
459static int wm8960_mute(struct snd_soc_dai *dai, int mute)
460{
461 struct snd_soc_codec *codec = dai->codec;
17a52fd6 462 u16 mute_reg = snd_soc_read(codec, WM8960_DACCTL1) & 0xfff7;
f2644a2c
MB		 463
464 if (mute)
17a52fd6 465 snd_soc_write(codec, WM8960_DACCTL1, mute_reg | 0x8);
f2644a2c 466 else
17a52fd6 467 snd_soc_write(codec, WM8960_DACCTL1, mute_reg);
f2644a2c
MB		 468 return 0;
469}
470
913d7b4c
MB		 471static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec,
472 enum snd_soc_bias_level level)
f2644a2c 473{
f2644a2c
MB		 474 u16 reg;
475
476 switch (level) {
477 case SND_SOC_BIAS_ON:
478 break;
479
480 case SND_SOC_BIAS_PREPARE:
481 /* Set VMID to 2x50k */
17a52fd6 482 reg = snd_soc_read(codec, WM8960_POWER1);
f2644a2c
MB		 483 reg &= ~0x180;
484 reg |= 0x80;
17a52fd6 485 snd_soc_write(codec, WM8960_POWER1, reg);
f2644a2c
MB		 486 break;
487
488 case SND_SOC_BIAS_STANDBY:
489 if (codec->bias_level == SND_SOC_BIAS_OFF) {
490 /* Enable anti-pop features */
17a52fd6 491 snd_soc_write(codec, WM8960_APOP1,
913d7b4c
MB		 492 WM8960_POBCTRL | WM8960_SOFT_ST |
493 WM8960_BUFDCOPEN | WM8960_BUFIOEN);
f2644a2c
MB		 494
495 /* Enable & ramp VMID at 2x50k */
17a52fd6 496 reg = snd_soc_read(codec, WM8960_POWER1);
f2644a2c 497 reg |= 0x80;
17a52fd6 498 snd_soc_write(codec, WM8960_POWER1, reg);
f2644a2c
MB		 499 msleep(100);
500
501 /* Enable VREF */
17a52fd6 502 snd_soc_write(codec, WM8960_POWER1, reg | WM8960_VREF);
f2644a2c
MB		 503
504 /* Disable anti-pop features */
17a52fd6 505 snd_soc_write(codec, WM8960_APOP1, WM8960_BUFIOEN);
f2644a2c
MB		 506 }
507
508 /* Set VMID to 2x250k */
17a52fd6 509 reg = snd_soc_read(codec, WM8960_POWER1);
f2644a2c
MB		 510 reg &= ~0x180;
511 reg |= 0x100;
17a52fd6 512 snd_soc_write(codec, WM8960_POWER1, reg);
f2644a2c
MB		 513 break;
514
515 case SND_SOC_BIAS_OFF:
516 /* Enable anti-pop features */
17a52fd6 517 snd_soc_write(codec, WM8960_APOP1,
f2644a2c
MB		 518 WM8960_POBCTRL | WM8960_SOFT_ST |
519 WM8960_BUFDCOPEN | WM8960_BUFIOEN);
520
521 /* Disable VMID and VREF, let them discharge */
17a52fd6 522 snd_soc_write(codec, WM8960_POWER1, 0);
f2644a2c 523 msleep(600);
913d7b4c
MB		 524 break;
525 }
526
527 codec->bias_level = level;
528
529 return 0;
530}
531
532static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec,
533 enum snd_soc_bias_level level)
534{
b2c812e2 535 struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
913d7b4c
MB		 536 int reg;
537
538 switch (level) {
539 case SND_SOC_BIAS_ON:
540 break;
541
542 case SND_SOC_BIAS_PREPARE:
543 switch (codec->bias_level) {
544 case SND_SOC_BIAS_STANDBY:
545 /* Enable anti pop mode */
546 snd_soc_update_bits(codec, WM8960_APOP1,
547 WM8960_POBCTRL | WM8960_SOFT_ST |
548 WM8960_BUFDCOPEN,
549 WM8960_POBCTRL | WM8960_SOFT_ST |
550 WM8960_BUFDCOPEN);
551
552 /* Enable LOUT1, ROUT1 and OUT3 if they're enabled */
553 reg = 0;
554 if (wm8960->lout1 && wm8960->lout1->power)
555 reg |= WM8960_PWR2_LOUT1;
556 if (wm8960->rout1 && wm8960->rout1->power)
557 reg |= WM8960_PWR2_ROUT1;
558 if (wm8960->out3 && wm8960->out3->power)
559 reg |= WM8960_PWR2_OUT3;
560 snd_soc_update_bits(codec, WM8960_POWER2,
561 WM8960_PWR2_LOUT1 |
562 WM8960_PWR2_ROUT1 |
563 WM8960_PWR2_OUT3, reg);
564
565 /* Enable VMID at 2*50k */
566 snd_soc_update_bits(codec, WM8960_POWER1,
567 WM8960_VMID_MASK, 0x80);
568
569 /* Ramp */
570 msleep(100);
571
572 /* Enable VREF */
573 snd_soc_update_bits(codec, WM8960_POWER1,
574 WM8960_VREF, WM8960_VREF);
575
576 msleep(100);
577 break;
578
579 case SND_SOC_BIAS_ON:
580 /* Enable anti-pop mode */
581 snd_soc_update_bits(codec, WM8960_APOP1,
582 WM8960_POBCTRL | WM8960_SOFT_ST |
583 WM8960_BUFDCOPEN,
584 WM8960_POBCTRL | WM8960_SOFT_ST |
585 WM8960_BUFDCOPEN);
586
587 /* Disable VMID and VREF */
588 snd_soc_update_bits(codec, WM8960_POWER1,
589 WM8960_VREF | WM8960_VMID_MASK, 0);
590 break;
591
592 default:
593 break;
594 }
595 break;
f2644a2c 596
913d7b4c
MB		 597 case SND_SOC_BIAS_STANDBY:
598 switch (codec->bias_level) {
599 case SND_SOC_BIAS_PREPARE:
600 /* Disable HP discharge */
601 snd_soc_update_bits(codec, WM8960_APOP2,
602 WM8960_DISOP | WM8960_DRES_MASK,
603 0);
604
605 /* Disable anti-pop features */
606 snd_soc_update_bits(codec, WM8960_APOP1,
607 WM8960_POBCTRL | WM8960_SOFT_ST |
608 WM8960_BUFDCOPEN,
609 WM8960_POBCTRL | WM8960_SOFT_ST |
610 WM8960_BUFDCOPEN);
611 break;
612
613 default:
614 break;
615 }
616 break;
f2644a2c 617
913d7b4c 618 case SND_SOC_BIAS_OFF:
f2644a2c
MB		 619 break;
620 }
621
622 codec->bias_level = level;
623
624 return 0;
625}
626
627/* PLL divisors */
628struct _pll_div {
629 u32 pre_div:1;
630 u32 n:4;
631 u32 k:24;
632};
633
634/* The size in bits of the pll divide multiplied by 10
635 * to allow rounding later */
636#define FIXED_PLL_SIZE ((1 << 24) * 10)
637
638static int pll_factors(unsigned int source, unsigned int target,
639 struct _pll_div *pll_div)
640{
641 unsigned long long Kpart;
642 unsigned int K, Ndiv, Nmod;
643
644 pr_debug("WM8960 PLL: setting %dHz->%dHz\n", source, target);
645
646 /* Scale up target to PLL operating frequency */
647 target *= 4;
648
649 Ndiv = target / source;
650 if (Ndiv < 6) {
651 source >>= 1;
652 pll_div->pre_div = 1;
653 Ndiv = target / source;
654 } else
655 pll_div->pre_div = 0;
656
657 if ((Ndiv < 6) || (Ndiv > 12)) {
658 pr_err("WM8960 PLL: Unsupported N=%d\n", Ndiv);
659 return -EINVAL;
660 }
661
662 pll_div->n = Ndiv;
663 Nmod = target % source;
664 Kpart = FIXED_PLL_SIZE * (long long)Nmod;
665
666 do_div(Kpart, source);
667
668 K = Kpart & 0xFFFFFFFF;
669
670 /* Check if we need to round */
671 if ((K % 10) >= 5)
672 K += 5;
673
674 /* Move down to proper range now rounding is done */
675 K /= 10;
676
677 pll_div->k = K;
678
679 pr_debug("WM8960 PLL: N=%x K=%x pre_div=%d\n",
680 pll_div->n, pll_div->k, pll_div->pre_div);
681
682 return 0;
683}
684
85488037
MB		 685static int wm8960_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
686 int source, unsigned int freq_in, unsigned int freq_out)
f2644a2c
MB		 687{
688 struct snd_soc_codec *codec = codec_dai->codec;
689 u16 reg;
690 static struct _pll_div pll_div;
691 int ret;
692
693 if (freq_in && freq_out) {
694 ret = pll_factors(freq_in, freq_out, &pll_div);
695 if (ret != 0)
696 return ret;
697 }
698
699 /* Disable the PLL: even if we are changing the frequency the
700 * PLL needs to be disabled while we do so. */
17a52fd6
MB		 701 snd_soc_write(codec, WM8960_CLOCK1,
702 snd_soc_read(codec, WM8960_CLOCK1) & ~1);
703 snd_soc_write(codec, WM8960_POWER2,
704 snd_soc_read(codec, WM8960_POWER2) & ~1);
f2644a2c
MB		 705
706 if (!freq_in || !freq_out)
707 return 0;
708
17a52fd6 709 reg = snd_soc_read(codec, WM8960_PLL1) & ~0x3f;
f2644a2c
MB		 710 reg |= pll_div.pre_div << 4;
711 reg |= pll_div.n;
712
713 if (pll_div.k) {
714 reg |= 0x20;
715
17a52fd6
MB		 716 snd_soc_write(codec, WM8960_PLL2, (pll_div.k >> 18) & 0x3f);
717 snd_soc_write(codec, WM8960_PLL3, (pll_div.k >> 9) & 0x1ff);
718 snd_soc_write(codec, WM8960_PLL4, pll_div.k & 0x1ff);
f2644a2c 719 }
17a52fd6 720 snd_soc_write(codec, WM8960_PLL1, reg);
f2644a2c
MB		 721
722 /* Turn it on */
17a52fd6
MB		 723 snd_soc_write(codec, WM8960_POWER2,
724 snd_soc_read(codec, WM8960_POWER2) | 1);
f2644a2c 725 msleep(250);
17a52fd6
MB		 726 snd_soc_write(codec, WM8960_CLOCK1,
727 snd_soc_read(codec, WM8960_CLOCK1) | 1);
f2644a2c
MB		 728
729 return 0;
730}
731
732static int wm8960_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
733 int div_id, int div)
734{
735 struct snd_soc_codec *codec = codec_dai->codec;
736 u16 reg;
737
738 switch (div_id) {
f2644a2c 739 case WM8960_SYSCLKDIV:
17a52fd6
MB		 740 reg = snd_soc_read(codec, WM8960_CLOCK1) & 0x1f9;
741 snd_soc_write(codec, WM8960_CLOCK1, reg | div);
f2644a2c
MB		 742 break;
743 case WM8960_DACDIV:
17a52fd6
MB		 744 reg = snd_soc_read(codec, WM8960_CLOCK1) & 0x1c7;
745 snd_soc_write(codec, WM8960_CLOCK1, reg | div);
f2644a2c
MB		 746 break;
747 case WM8960_OPCLKDIV:
17a52fd6
MB		 748 reg = snd_soc_read(codec, WM8960_PLL1) & 0x03f;
749 snd_soc_write(codec, WM8960_PLL1, reg | div);
f2644a2c
MB		 750 break;
751 case WM8960_DCLKDIV:
17a52fd6
MB		 752 reg = snd_soc_read(codec, WM8960_CLOCK2) & 0x03f;
753 snd_soc_write(codec, WM8960_CLOCK2, reg | div);
f2644a2c
MB		 754 break;
755 case WM8960_TOCLKSEL:
17a52fd6
MB		 756 reg = snd_soc_read(codec, WM8960_ADDCTL1) & 0x1fd;
757 snd_soc_write(codec, WM8960_ADDCTL1, reg | div);
f2644a2c
MB		 758 break;
759 default:
760 return -EINVAL;
761 }
762
763 return 0;
764}
765
766#define WM8960_RATES SNDRV_PCM_RATE_8000_48000
767
768#define WM8960_FORMATS \
769 (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
770 SNDRV_PCM_FMTBIT_S24_LE)
771
772static struct snd_soc_dai_ops wm8960_dai_ops = {
773 .hw_params = wm8960_hw_params,
774 .digital_mute = wm8960_mute,
775 .set_fmt = wm8960_set_dai_fmt,
776 .set_clkdiv = wm8960_set_dai_clkdiv,
777 .set_pll = wm8960_set_dai_pll,
778};
779
780struct snd_soc_dai wm8960_dai = {
781 .name = "WM8960",
782 .playback = {
783 .stream_name = "Playback",
784 .channels_min = 1,
785 .channels_max = 2,
786 .rates = WM8960_RATES,
787 .formats = WM8960_FORMATS,},
788 .capture = {
789 .stream_name = "Capture",
790 .channels_min = 1,
791 .channels_max = 2,
792 .rates = WM8960_RATES,
793 .formats = WM8960_FORMATS,},
794 .ops = &wm8960_dai_ops,
795 .symmetric_rates = 1,
796};
797EXPORT_SYMBOL_GPL(wm8960_dai);
798
799static int wm8960_suspend(struct platform_device *pdev, pm_message_t state)
800{
801 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
802 struct snd_soc_codec *codec = socdev->card->codec;
803
913d7b4c 804 codec->set_bias_level(codec, SND_SOC_BIAS_OFF);
f2644a2c
MB		 805 return 0;
806}
807
808static int wm8960_resume(struct platform_device *pdev)
809{
810 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
811 struct snd_soc_codec *codec = socdev->card->codec;
812 int i;
813 u8 data[2];
814 u16 *cache = codec->reg_cache;
815
816 /* Sync reg_cache with the hardware */
817 for (i = 0; i < ARRAY_SIZE(wm8960_reg); i++) {
818 data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001);
819 data[1] = cache[i] & 0x00ff;
820 codec->hw_write(codec->control_data, data, 2);
821 }
822
913d7b4c 823 codec->set_bias_level(codec, SND_SOC_BIAS_STANDBY);
29e189c2 824
f2644a2c
MB		 825 return 0;
826}
827
828static struct snd_soc_codec *wm8960_codec;
829
830static int wm8960_probe(struct platform_device *pdev)
831{
832 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
833 struct snd_soc_codec *codec;
834 int ret = 0;
835
836 if (wm8960_codec == NULL) {
837 dev_err(&pdev->dev, "Codec device not registered\n");
838 return -ENODEV;
839 }
840
841 socdev->card->codec = wm8960_codec;
842 codec = wm8960_codec;
843
844 /* register pcms */
845 ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
846 if (ret < 0) {
847 dev_err(codec->dev, "failed to create pcms: %d\n", ret);
848 goto pcm_err;
849 }
850
851 snd_soc_add_controls(codec, wm8960_snd_controls,
852 ARRAY_SIZE(wm8960_snd_controls));
853 wm8960_add_widgets(codec);
f2644a2c
MB		 854
855 return ret;
856
f2644a2c
MB		 857pcm_err:
858 return ret;
859}
860
861/* power down chip */
862static int wm8960_remove(struct platform_device *pdev)
863{
864 struct snd_soc_device *socdev = platform_get_drvdata(pdev);
865
866 snd_soc_free_pcms(socdev);
867 snd_soc_dapm_free(socdev);
868
869 return 0;
870}
871
872struct snd_soc_codec_device soc_codec_dev_wm8960 = {
873 .probe = wm8960_probe,
874 .remove = wm8960_remove,
875 .suspend = wm8960_suspend,
876 .resume = wm8960_resume,
877};
878EXPORT_SYMBOL_GPL(soc_codec_dev_wm8960);
879
7084a42b
MB		 880static int wm8960_register(struct wm8960_priv *wm8960,
881 enum snd_soc_control_type control)
f2644a2c
MB		 882{
883 struct wm8960_data *pdata = wm8960->codec.dev->platform_data;
884 struct snd_soc_codec *codec = &wm8960->codec;
885 int ret;
886 u16 reg;
887
888 if (wm8960_codec) {
889 dev_err(codec->dev, "Another WM8960 is registered\n");
1a01417e
MB		 890 ret = -EINVAL;
891 goto err;
f2644a2c
MB		 892 }
893
913d7b4c
MB		 894 codec->set_bias_level = wm8960_set_bias_level_out3;
895
f2644a2c
MB		 896 if (!pdata) {
897 dev_warn(codec->dev, "No platform data supplied\n");
898 } else {
899 if (pdata->dres > WM8960_DRES_MAX) {
900 dev_err(codec->dev, "Invalid DRES: %d\n", pdata->dres);
901 pdata->dres = 0;
902 }
913d7b4c
MB		 903
904 if (pdata->capless)
905 codec->set_bias_level = wm8960_set_bias_level_capless;
f2644a2c
MB		 906 }
907
908 mutex_init(&codec->mutex);
909 INIT_LIST_HEAD(&codec->dapm_widgets);
910 INIT_LIST_HEAD(&codec->dapm_paths);
911
b2c812e2 912 snd_soc_codec_set_drvdata(codec, wm8960);
f2644a2c
MB		 913 codec->name = "WM8960";
914 codec->owner = THIS_MODULE;
f2644a2c 915 codec->bias_level = SND_SOC_BIAS_OFF;
f2644a2c
MB		 916 codec->dai = &wm8960_dai;
917 codec->num_dai = 1;
918 codec->reg_cache_size = WM8960_CACHEREGNUM;
919 codec->reg_cache = &wm8960->reg_cache;
920
921 memcpy(codec->reg_cache, wm8960_reg, sizeof(wm8960_reg));
922
7084a42b 923 ret = snd_soc_codec_set_cache_io(codec, 7, 9, control);
17a52fd6
MB		 924 if (ret < 0) {
925 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
926 goto err;
927 }
928
f2644a2c
MB		 929 ret = wm8960_reset(codec);
930 if (ret < 0) {
931 dev_err(codec->dev, "Failed to issue reset\n");
1a01417e 932 goto err;
f2644a2c
MB		 933 }
934
935 wm8960_dai.dev = codec->dev;
936
913d7b4c 937 codec->set_bias_level(codec, SND_SOC_BIAS_STANDBY);
f2644a2c
MB		 938
939 /* Latch the update bits */
17a52fd6
MB		 940 reg = snd_soc_read(codec, WM8960_LINVOL);
941 snd_soc_write(codec, WM8960_LINVOL, reg | 0x100);
942 reg = snd_soc_read(codec, WM8960_RINVOL);
943 snd_soc_write(codec, WM8960_RINVOL, reg | 0x100);
944 reg = snd_soc_read(codec, WM8960_LADC);
945 snd_soc_write(codec, WM8960_LADC, reg | 0x100);
946 reg = snd_soc_read(codec, WM8960_RADC);
947 snd_soc_write(codec, WM8960_RADC, reg | 0x100);
948 reg = snd_soc_read(codec, WM8960_LDAC);
949 snd_soc_write(codec, WM8960_LDAC, reg | 0x100);
950 reg = snd_soc_read(codec, WM8960_RDAC);
951 snd_soc_write(codec, WM8960_RDAC, reg | 0x100);
952 reg = snd_soc_read(codec, WM8960_LOUT1);
953 snd_soc_write(codec, WM8960_LOUT1, reg | 0x100);
954 reg = snd_soc_read(codec, WM8960_ROUT1);
955 snd_soc_write(codec, WM8960_ROUT1, reg | 0x100);
956 reg = snd_soc_read(codec, WM8960_LOUT2);
957 snd_soc_write(codec, WM8960_LOUT2, reg | 0x100);
958 reg = snd_soc_read(codec, WM8960_ROUT2);
959 snd_soc_write(codec, WM8960_ROUT2, reg | 0x100);
f2644a2c
MB		 960
961 wm8960_codec = codec;
962
963 ret = snd_soc_register_codec(codec);
964 if (ret != 0) {
965 dev_err(codec->dev, "Failed to register codec: %d\n", ret);
1a01417e 966 goto err;
f2644a2c
MB		 967 }
968
969 ret = snd_soc_register_dai(&wm8960_dai);
970 if (ret != 0) {
971 dev_err(codec->dev, "Failed to register DAI: %d\n", ret);
1a01417e 972 goto err_codec;
f2644a2c
MB		 973 }
974
975 return 0;
1a01417e
MB		 976
977err_codec:
978 snd_soc_unregister_codec(codec);
979err:
980 kfree(wm8960);
981 return ret;
f2644a2c
MB		 982}
983
984static void wm8960_unregister(struct wm8960_priv *wm8960)
985{
913d7b4c 986 wm8960->codec.set_bias_level(&wm8960->codec, SND_SOC_BIAS_OFF);
f2644a2c
MB		 987 snd_soc_unregister_dai(&wm8960_dai);
988 snd_soc_unregister_codec(&wm8960->codec);
989 kfree(wm8960);
990 wm8960_codec = NULL;
991}
992
993static __devinit int wm8960_i2c_probe(struct i2c_client *i2c,
994 const struct i2c_device_id *id)
995{
996 struct wm8960_priv *wm8960;
997 struct snd_soc_codec *codec;
998
999 wm8960 = kzalloc(sizeof(struct wm8960_priv), GFP_KERNEL);
1000 if (wm8960 == NULL)
1001 return -ENOMEM;
1002
1003 codec = &wm8960->codec;
f2644a2c
MB		 1004
1005 i2c_set_clientdata(i2c, wm8960);
1006 codec->control_data = i2c;
1007
1008 codec->dev = &i2c->dev;
1009
7084a42b 1010 return wm8960_register(wm8960, SND_SOC_I2C);
f2644a2c
MB		 1011}
1012
1013static __devexit int wm8960_i2c_remove(struct i2c_client *client)
1014{
1015 struct wm8960_priv *wm8960 = i2c_get_clientdata(client);
1016 wm8960_unregister(wm8960);
1017 return 0;
1018}
1019
1020static const struct i2c_device_id wm8960_i2c_id[] = {
1021 { "wm8960", 0 },
1022 { }
1023};
1024MODULE_DEVICE_TABLE(i2c, wm8960_i2c_id);
1025
1026static struct i2c_driver wm8960_i2c_driver = {
1027 .driver = {
a24d62d2 1028 .name = "wm8960",
f2644a2c
MB		 1029 .owner = THIS_MODULE,
1030 },
1031 .probe = wm8960_i2c_probe,
1032 .remove = __devexit_p(wm8960_i2c_remove),
1033 .id_table = wm8960_i2c_id,
1034};
1035
1036static int __init wm8960_modinit(void)
1037{
1038 int ret;
1039
1040 ret = i2c_add_driver(&wm8960_i2c_driver);
1041 if (ret != 0) {
1042 printk(KERN_ERR "Failed to register WM8960 I2C driver: %d\n",
1043 ret);
1044 }
1045
1046 return ret;
1047}
1048module_init(wm8960_modinit);
1049
1050static void __exit wm8960_exit(void)
1051{
1052 i2c_del_driver(&wm8960_i2c_driver);
1053}
1054module_exit(wm8960_exit);
1055
1056
1057MODULE_DESCRIPTION("ASoC WM8960 driver");
1058MODULE_AUTHOR("Liam Girdwood");
1059MODULE_LICENSE("GPL");
Ubuntu Jammy Linux kernel mirror