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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / sound / soc / codecs / es8328.c
blobfdf64c29f563d03139aa1f071e1b1c5d2acf2b31
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * es8328.c -- ES8328 ALSA SoC Audio driver
4 *
5 * Copyright 2014 Sutajio Ko-Usagi PTE LTD
6 *
7 * Author: Sean Cross <xobs@kosagi.com>
8 */
9
10 #include <linux/clk.h>
11 #include <linux/delay.h>
12 #include <linux/of_device.h>
13 #include <linux/module.h>
14 #include <linux/pm.h>
15 #include <linux/regmap.h>
16 #include <linux/slab.h>
17 #include <linux/regulator/consumer.h>
18 #include <sound/core.h>
19 #include <sound/initval.h>
20 #include <sound/pcm.h>
21 #include <sound/pcm_params.h>
22 #include <sound/soc.h>
23 #include <sound/tlv.h>
24 #include "es8328.h"
25
26 static const unsigned int rates_12288[] = {
27 8000, 12000, 16000, 24000, 32000, 48000, 96000,
28 };
29
30 static const int ratios_12288[] = {
31 10, 7, 6, 4, 3, 2, 0,
32 };
33
34 static const struct snd_pcm_hw_constraint_list constraints_12288 = {
35 .count = ARRAY_SIZE(rates_12288),
36 .list = rates_12288,
37 };
38
39 static const unsigned int rates_11289[] = {
40 8018, 11025, 22050, 44100, 88200,
41 };
42
43 static const int ratios_11289[] = {
44 9, 7, 4, 2, 0,
45 };
46
47 static const struct snd_pcm_hw_constraint_list constraints_11289 = {
48 .count = ARRAY_SIZE(rates_11289),
49 .list = rates_11289,
50 };
51
52 /* regulator supplies for sgtl5000, VDDD is an optional external supply */
53 enum sgtl5000_regulator_supplies {
54 DVDD,
55 AVDD,
56 PVDD,
57 HPVDD,
58 ES8328_SUPPLY_NUM
59 };
60
61 /* vddd is optional supply */
62 static const char * const supply_names[ES8328_SUPPLY_NUM] = {
63 "DVDD",
64 "AVDD",
65 "PVDD",
66 "HPVDD",
67 };
68
69 #define ES8328_RATES (SNDRV_PCM_RATE_192000 | \
70 SNDRV_PCM_RATE_96000 | \
71 SNDRV_PCM_RATE_88200 | \
72 SNDRV_PCM_RATE_8000_48000)
73 #define ES8328_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \
74 SNDRV_PCM_FMTBIT_S18_3LE | \
75 SNDRV_PCM_FMTBIT_S20_3LE | \
76 SNDRV_PCM_FMTBIT_S24_LE | \
77 SNDRV_PCM_FMTBIT_S32_LE)
78
79 struct es8328_priv {
80 struct regmap *regmap;
81 struct clk *clk;
82 int playback_fs;
83 bool deemph;
84 int mclkdiv2;
85 const struct snd_pcm_hw_constraint_list *sysclk_constraints;
86 const int *mclk_ratios;
87 bool master;
88 struct regulator_bulk_data supplies[ES8328_SUPPLY_NUM];
89 };
90
91 /*
92 * ES8328 Controls
93 */
94
95 static const char * const adcpol_txt[] = {"Normal", "L Invert", "R Invert",
96 "L + R Invert"};
97 static SOC_ENUM_SINGLE_DECL(adcpol,
98 ES8328_ADCCONTROL6, 6, adcpol_txt);
99
100 static const DECLARE_TLV_DB_SCALE(play_tlv, -3000, 100, 0);
101 static const DECLARE_TLV_DB_SCALE(dac_adc_tlv, -9600, 50, 0);
102 static const DECLARE_TLV_DB_SCALE(bypass_tlv, -1500, 300, 0);
103 static const DECLARE_TLV_DB_SCALE(mic_tlv, 0, 300, 0);
104
105 static const struct {
106 int rate;
107 unsigned int val;
108 } deemph_settings[] = {
109 { 0, ES8328_DACCONTROL6_DEEMPH_OFF },
110 { 32000, ES8328_DACCONTROL6_DEEMPH_32k },
111 { 44100, ES8328_DACCONTROL6_DEEMPH_44_1k },
112 { 48000, ES8328_DACCONTROL6_DEEMPH_48k },
113 };
114
115 static int es8328_set_deemph(struct snd_soc_component *component)
116 {
117 struct es8328_priv *es8328 = snd_soc_component_get_drvdata(component);
118 int val, i, best;
119
120 /*
121 * If we're using deemphasis select the nearest available sample
122 * rate.
123 */
124 if (es8328->deemph) {
125 best = 0;
126 for (i = 1; i < ARRAY_SIZE(deemph_settings); i++) {
127 if (abs(deemph_settings[i].rate - es8328->playback_fs) <
128 abs(deemph_settings[best].rate - es8328->playback_fs))
129 best = i;
130 }
131
132 val = deemph_settings[best].val;
133 } else {
134 val = ES8328_DACCONTROL6_DEEMPH_OFF;
135 }
136
137 dev_dbg(component->dev, "Set deemphasis %d\n", val);
138
139 return snd_soc_component_update_bits(component, ES8328_DACCONTROL6,
140 ES8328_DACCONTROL6_DEEMPH_MASK, val);
141 }
142
143 static int es8328_get_deemph(struct snd_kcontrol *kcontrol,
144 struct snd_ctl_elem_value *ucontrol)
145 {
146 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
147 struct es8328_priv *es8328 = snd_soc_component_get_drvdata(component);
148
149 ucontrol->value.integer.value[0] = es8328->deemph;
150 return 0;
151 }
152
153 static int es8328_put_deemph(struct snd_kcontrol *kcontrol,
154 struct snd_ctl_elem_value *ucontrol)
155 {
156 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
157 struct es8328_priv *es8328 = snd_soc_component_get_drvdata(component);
158 unsigned int deemph = ucontrol->value.integer.value[0];
159 int ret;
160
161 if (deemph > 1)
162 return -EINVAL;
163
164 ret = es8328_set_deemph(component);
165 if (ret < 0)
166 return ret;
167
168 es8328->deemph = deemph;
169
170 return 0;
171 }
172
173
174
175 static const struct snd_kcontrol_new es8328_snd_controls[] = {
176 SOC_DOUBLE_R_TLV("Capture Digital Volume",
177 ES8328_ADCCONTROL8, ES8328_ADCCONTROL9,
178 0, 0xc0, 1, dac_adc_tlv),
179 SOC_SINGLE("Capture ZC Switch", ES8328_ADCCONTROL7, 6, 1, 0),
180
181 SOC_SINGLE_BOOL_EXT("DAC Deemphasis Switch", 0,
182 es8328_get_deemph, es8328_put_deemph),
183
184 SOC_ENUM("Capture Polarity", adcpol),
185
186 SOC_SINGLE_TLV("Left Mixer Left Bypass Volume",
187 ES8328_DACCONTROL17, 3, 7, 1, bypass_tlv),
188 SOC_SINGLE_TLV("Left Mixer Right Bypass Volume",
189 ES8328_DACCONTROL19, 3, 7, 1, bypass_tlv),
190 SOC_SINGLE_TLV("Right Mixer Left Bypass Volume",
191 ES8328_DACCONTROL18, 3, 7, 1, bypass_tlv),
192 SOC_SINGLE_TLV("Right Mixer Right Bypass Volume",
193 ES8328_DACCONTROL20, 3, 7, 1, bypass_tlv),
194
195 SOC_DOUBLE_R_TLV("PCM Volume",
196 ES8328_LDACVOL, ES8328_RDACVOL,
197 0, ES8328_DACVOL_MAX, 1, dac_adc_tlv),
198
199 SOC_DOUBLE_R_TLV("Output 1 Playback Volume",
200 ES8328_LOUT1VOL, ES8328_ROUT1VOL,
201 0, ES8328_OUT1VOL_MAX, 0, play_tlv),
202
203 SOC_DOUBLE_R_TLV("Output 2 Playback Volume",
204 ES8328_LOUT2VOL, ES8328_ROUT2VOL,
205 0, ES8328_OUT2VOL_MAX, 0, play_tlv),
206
207 SOC_DOUBLE_TLV("Mic PGA Volume", ES8328_ADCCONTROL1,
208 4, 0, 8, 0, mic_tlv),
209 };
210
211 /*
212 * DAPM Controls
213 */
214
215 static const char * const es8328_line_texts[] = {
216 "Line 1", "Line 2", "PGA", "Differential"};
217
218 static const struct soc_enum es8328_lline_enum =
219 SOC_ENUM_SINGLE(ES8328_DACCONTROL16, 3,
220 ARRAY_SIZE(es8328_line_texts),
221 es8328_line_texts);
222 static const struct snd_kcontrol_new es8328_left_line_controls =
223 SOC_DAPM_ENUM("Route", es8328_lline_enum);
224
225 static const struct soc_enum es8328_rline_enum =
226 SOC_ENUM_SINGLE(ES8328_DACCONTROL16, 0,
227 ARRAY_SIZE(es8328_line_texts),
228 es8328_line_texts);
229 static const struct snd_kcontrol_new es8328_right_line_controls =
230 SOC_DAPM_ENUM("Route", es8328_rline_enum);
231
232 /* Left Mixer */
233 static const struct snd_kcontrol_new es8328_left_mixer_controls[] = {
234 SOC_DAPM_SINGLE("Playback Switch", ES8328_DACCONTROL17, 7, 1, 0),
235 SOC_DAPM_SINGLE("Left Bypass Switch", ES8328_DACCONTROL17, 6, 1, 0),
236 SOC_DAPM_SINGLE("Right Playback Switch", ES8328_DACCONTROL18, 7, 1, 0),
237 SOC_DAPM_SINGLE("Right Bypass Switch", ES8328_DACCONTROL18, 6, 1, 0),
238 };
239
240 /* Right Mixer */
241 static const struct snd_kcontrol_new es8328_right_mixer_controls[] = {
242 SOC_DAPM_SINGLE("Left Playback Switch", ES8328_DACCONTROL19, 7, 1, 0),
243 SOC_DAPM_SINGLE("Left Bypass Switch", ES8328_DACCONTROL19, 6, 1, 0),
244 SOC_DAPM_SINGLE("Playback Switch", ES8328_DACCONTROL20, 7, 1, 0),
245 SOC_DAPM_SINGLE("Right Bypass Switch", ES8328_DACCONTROL20, 6, 1, 0),
246 };
247
248 static const char * const es8328_pga_sel[] = {
249 "Line 1", "Line 2", "Line 3", "Differential"};
250
251 /* Left PGA Mux */
252 static const struct soc_enum es8328_lpga_enum =
253 SOC_ENUM_SINGLE(ES8328_ADCCONTROL2, 6,
254 ARRAY_SIZE(es8328_pga_sel),
255 es8328_pga_sel);
256 static const struct snd_kcontrol_new es8328_left_pga_controls =
257 SOC_DAPM_ENUM("Route", es8328_lpga_enum);
258
259 /* Right PGA Mux */
260 static const struct soc_enum es8328_rpga_enum =
261 SOC_ENUM_SINGLE(ES8328_ADCCONTROL2, 4,
262 ARRAY_SIZE(es8328_pga_sel),
263 es8328_pga_sel);
264 static const struct snd_kcontrol_new es8328_right_pga_controls =
265 SOC_DAPM_ENUM("Route", es8328_rpga_enum);
266
267 /* Differential Mux */
268 static const char * const es8328_diff_sel[] = {"Line 1", "Line 2"};
269 static SOC_ENUM_SINGLE_DECL(diffmux,
270 ES8328_ADCCONTROL3, 7, es8328_diff_sel);
271 static const struct snd_kcontrol_new es8328_diffmux_controls =
272 SOC_DAPM_ENUM("Route", diffmux);
273
274 /* Mono ADC Mux */
275 static const char * const es8328_mono_mux[] = {"Stereo", "Mono (Left)",
276 "Mono (Right)", "Digital Mono"};
277 static SOC_ENUM_SINGLE_DECL(monomux,
278 ES8328_ADCCONTROL3, 3, es8328_mono_mux);
279 static const struct snd_kcontrol_new es8328_monomux_controls =
280 SOC_DAPM_ENUM("Route", monomux);
281
282 static const struct snd_soc_dapm_widget es8328_dapm_widgets[] = {
283 SND_SOC_DAPM_MUX("Differential Mux", SND_SOC_NOPM, 0, 0,
284 &es8328_diffmux_controls),
285 SND_SOC_DAPM_MUX("Left ADC Mux", SND_SOC_NOPM, 0, 0,
286 &es8328_monomux_controls),
287 SND_SOC_DAPM_MUX("Right ADC Mux", SND_SOC_NOPM, 0, 0,
288 &es8328_monomux_controls),
289
290 SND_SOC_DAPM_MUX("Left PGA Mux", ES8328_ADCPOWER,
291 ES8328_ADCPOWER_AINL_OFF, 1,
292 &es8328_left_pga_controls),
293 SND_SOC_DAPM_MUX("Right PGA Mux", ES8328_ADCPOWER,
294 ES8328_ADCPOWER_AINR_OFF, 1,
295 &es8328_right_pga_controls),
296
297 SND_SOC_DAPM_MUX("Left Line Mux", SND_SOC_NOPM, 0, 0,
298 &es8328_left_line_controls),
299 SND_SOC_DAPM_MUX("Right Line Mux", SND_SOC_NOPM, 0, 0,
300 &es8328_right_line_controls),
301
302 SND_SOC_DAPM_ADC("Right ADC", "Right Capture", ES8328_ADCPOWER,
303 ES8328_ADCPOWER_ADCR_OFF, 1),
304 SND_SOC_DAPM_ADC("Left ADC", "Left Capture", ES8328_ADCPOWER,
305 ES8328_ADCPOWER_ADCL_OFF, 1),
306
307 SND_SOC_DAPM_SUPPLY("Mic Bias", ES8328_ADCPOWER,
308 ES8328_ADCPOWER_MIC_BIAS_OFF, 1, NULL, 0),
309 SND_SOC_DAPM_SUPPLY("Mic Bias Gen", ES8328_ADCPOWER,
310 ES8328_ADCPOWER_ADC_BIAS_GEN_OFF, 1, NULL, 0),
311
312 SND_SOC_DAPM_SUPPLY("DAC STM", ES8328_CHIPPOWER,
313 ES8328_CHIPPOWER_DACSTM_RESET, 1, NULL, 0),
314 SND_SOC_DAPM_SUPPLY("ADC STM", ES8328_CHIPPOWER,
315 ES8328_CHIPPOWER_ADCSTM_RESET, 1, NULL, 0),
316
317 SND_SOC_DAPM_SUPPLY("DAC DIG", ES8328_CHIPPOWER,
318 ES8328_CHIPPOWER_DACDIG_OFF, 1, NULL, 0),
319 SND_SOC_DAPM_SUPPLY("ADC DIG", ES8328_CHIPPOWER,
320 ES8328_CHIPPOWER_ADCDIG_OFF, 1, NULL, 0),
321
322 SND_SOC_DAPM_SUPPLY("DAC DLL", ES8328_CHIPPOWER,
323 ES8328_CHIPPOWER_DACDLL_OFF, 1, NULL, 0),
324 SND_SOC_DAPM_SUPPLY("ADC DLL", ES8328_CHIPPOWER,
325 ES8328_CHIPPOWER_ADCDLL_OFF, 1, NULL, 0),
326
327 SND_SOC_DAPM_SUPPLY("ADC Vref", ES8328_CHIPPOWER,
328 ES8328_CHIPPOWER_ADCVREF_OFF, 1, NULL, 0),
329 SND_SOC_DAPM_SUPPLY("DAC Vref", ES8328_CHIPPOWER,
330 ES8328_CHIPPOWER_DACVREF_OFF, 1, NULL, 0),
331
332 SND_SOC_DAPM_DAC("Right DAC", "Right Playback", ES8328_DACPOWER,
333 ES8328_DACPOWER_RDAC_OFF, 1),
334 SND_SOC_DAPM_DAC("Left DAC", "Left Playback", ES8328_DACPOWER,
335 ES8328_DACPOWER_LDAC_OFF, 1),
336
337 SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0,
338 &es8328_left_mixer_controls[0],
339 ARRAY_SIZE(es8328_left_mixer_controls)),
340 SND_SOC_DAPM_MIXER("Right Mixer", SND_SOC_NOPM, 0, 0,
341 &es8328_right_mixer_controls[0],
342 ARRAY_SIZE(es8328_right_mixer_controls)),
343
344 SND_SOC_DAPM_PGA("Right Out 2", ES8328_DACPOWER,
345 ES8328_DACPOWER_ROUT2_ON, 0, NULL, 0),
346 SND_SOC_DAPM_PGA("Left Out 2", ES8328_DACPOWER,
347 ES8328_DACPOWER_LOUT2_ON, 0, NULL, 0),
348 SND_SOC_DAPM_PGA("Right Out 1", ES8328_DACPOWER,
349 ES8328_DACPOWER_ROUT1_ON, 0, NULL, 0),
350 SND_SOC_DAPM_PGA("Left Out 1", ES8328_DACPOWER,
351 ES8328_DACPOWER_LOUT1_ON, 0, NULL, 0),
352
353 SND_SOC_DAPM_OUTPUT("LOUT1"),
354 SND_SOC_DAPM_OUTPUT("ROUT1"),
355 SND_SOC_DAPM_OUTPUT("LOUT2"),
356 SND_SOC_DAPM_OUTPUT("ROUT2"),
357
358 SND_SOC_DAPM_INPUT("LINPUT1"),
359 SND_SOC_DAPM_INPUT("LINPUT2"),
360 SND_SOC_DAPM_INPUT("RINPUT1"),
361 SND_SOC_DAPM_INPUT("RINPUT2"),
362 };
363
364 static const struct snd_soc_dapm_route es8328_dapm_routes[] = {
365
366 { "Left Line Mux", "Line 1", "LINPUT1" },
367 { "Left Line Mux", "Line 2", "LINPUT2" },
368 { "Left Line Mux", "PGA", "Left PGA Mux" },
369 { "Left Line Mux", "Differential", "Differential Mux" },
370
371 { "Right Line Mux", "Line 1", "RINPUT1" },
372 { "Right Line Mux", "Line 2", "RINPUT2" },
373 { "Right Line Mux", "PGA", "Right PGA Mux" },
374 { "Right Line Mux", "Differential", "Differential Mux" },
375
376 { "Left PGA Mux", "Line 1", "LINPUT1" },
377 { "Left PGA Mux", "Line 2", "LINPUT2" },
378 { "Left PGA Mux", "Differential", "Differential Mux" },
379
380 { "Right PGA Mux", "Line 1", "RINPUT1" },
381 { "Right PGA Mux", "Line 2", "RINPUT2" },
382 { "Right PGA Mux", "Differential", "Differential Mux" },
383
384 { "Differential Mux", "Line 1", "LINPUT1" },
385 { "Differential Mux", "Line 1", "RINPUT1" },
386 { "Differential Mux", "Line 2", "LINPUT2" },
387 { "Differential Mux", "Line 2", "RINPUT2" },
388
389 { "Left ADC Mux", "Stereo", "Left PGA Mux" },
390 { "Left ADC Mux", "Mono (Left)", "Left PGA Mux" },
391 { "Left ADC Mux", "Digital Mono", "Left PGA Mux" },
392
393 { "Right ADC Mux", "Stereo", "Right PGA Mux" },
394 { "Right ADC Mux", "Mono (Right)", "Right PGA Mux" },
395 { "Right ADC Mux", "Digital Mono", "Right PGA Mux" },
396
397 { "Left ADC", NULL, "Left ADC Mux" },
398 { "Right ADC", NULL, "Right ADC Mux" },
399
400 { "ADC DIG", NULL, "ADC STM" },
401 { "ADC DIG", NULL, "ADC Vref" },
402 { "ADC DIG", NULL, "ADC DLL" },
403
404 { "Left ADC", NULL, "ADC DIG" },
405 { "Right ADC", NULL, "ADC DIG" },
406
407 { "Mic Bias", NULL, "Mic Bias Gen" },
408
409 { "Left Line Mux", "Line 1", "LINPUT1" },
410 { "Left Line Mux", "Line 2", "LINPUT2" },
411 { "Left Line Mux", "PGA", "Left PGA Mux" },
412 { "Left Line Mux", "Differential", "Differential Mux" },
413
414 { "Right Line Mux", "Line 1", "RINPUT1" },
415 { "Right Line Mux", "Line 2", "RINPUT2" },
416 { "Right Line Mux", "PGA", "Right PGA Mux" },
417 { "Right Line Mux", "Differential", "Differential Mux" },
418
419 { "Left Out 1", NULL, "Left DAC" },
420 { "Right Out 1", NULL, "Right DAC" },
421 { "Left Out 2", NULL, "Left DAC" },
422 { "Right Out 2", NULL, "Right DAC" },
423
424 { "Left Mixer", "Playback Switch", "Left DAC" },
425 { "Left Mixer", "Left Bypass Switch", "Left Line Mux" },
426 { "Left Mixer", "Right Playback Switch", "Right DAC" },
427 { "Left Mixer", "Right Bypass Switch", "Right Line Mux" },
428
429 { "Right Mixer", "Left Playback Switch", "Left DAC" },
430 { "Right Mixer", "Left Bypass Switch", "Left Line Mux" },
431 { "Right Mixer", "Playback Switch", "Right DAC" },
432 { "Right Mixer", "Right Bypass Switch", "Right Line Mux" },
433
434 { "DAC DIG", NULL, "DAC STM" },
435 { "DAC DIG", NULL, "DAC Vref" },
436 { "DAC DIG", NULL, "DAC DLL" },
437
438 { "Left DAC", NULL, "DAC DIG" },
439 { "Right DAC", NULL, "DAC DIG" },
440
441 { "Left Out 1", NULL, "Left Mixer" },
442 { "LOUT1", NULL, "Left Out 1" },
443 { "Right Out 1", NULL, "Right Mixer" },
444 { "ROUT1", NULL, "Right Out 1" },
445
446 { "Left Out 2", NULL, "Left Mixer" },
447 { "LOUT2", NULL, "Left Out 2" },
448 { "Right Out 2", NULL, "Right Mixer" },
449 { "ROUT2", NULL, "Right Out 2" },
450 };
451
452 static int es8328_mute(struct snd_soc_dai *dai, int mute)
453 {
454 return snd_soc_component_update_bits(dai->component, ES8328_DACCONTROL3,
455 ES8328_DACCONTROL3_DACMUTE,
456 mute ? ES8328_DACCONTROL3_DACMUTE : 0);
457 }
458
459 static int es8328_startup(struct snd_pcm_substream *substream,
460 struct snd_soc_dai *dai)
461 {
462 struct snd_soc_component *component = dai->component;
463 struct es8328_priv *es8328 = snd_soc_component_get_drvdata(component);
464
465 if (es8328->master && es8328->sysclk_constraints)
466 snd_pcm_hw_constraint_list(substream->runtime, 0,
467 SNDRV_PCM_HW_PARAM_RATE,
468 es8328->sysclk_constraints);
469
470 return 0;
471 }
472
473 static int es8328_hw_params(struct snd_pcm_substream *substream,
474 struct snd_pcm_hw_params *params,
475 struct snd_soc_dai *dai)
476 {
477 struct snd_soc_component *component = dai->component;
478 struct es8328_priv *es8328 = snd_soc_component_get_drvdata(component);
479 int i;
480 int reg;
481 int wl;
482 int ratio;
483
484 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
485 reg = ES8328_DACCONTROL2;
486 else
487 reg = ES8328_ADCCONTROL5;
488
489 if (es8328->master) {
490 if (!es8328->sysclk_constraints) {
491 dev_err(component->dev, "No MCLK configured\n");
492 return -EINVAL;
493 }
494
495 for (i = 0; i < es8328->sysclk_constraints->count; i++)
496 if (es8328->sysclk_constraints->list[i] ==
497 params_rate(params))
498 break;
499
500 if (i == es8328->sysclk_constraints->count) {
501 dev_err(component->dev,
502 "LRCLK %d unsupported with current clock\n",
503 params_rate(params));
504 return -EINVAL;
505 }
506 ratio = es8328->mclk_ratios[i];
507 } else {
508 ratio = 0;
509 es8328->mclkdiv2 = 0;
510 }
511
512 snd_soc_component_update_bits(component, ES8328_MASTERMODE,
513 ES8328_MASTERMODE_MCLKDIV2,
514 es8328->mclkdiv2 ? ES8328_MASTERMODE_MCLKDIV2 : 0);
515
516 switch (params_width(params)) {
517 case 16:
518 wl = 3;
519 break;
520 case 18:
521 wl = 2;
522 break;
523 case 20:
524 wl = 1;
525 break;
526 case 24:
527 wl = 0;
528 break;
529 case 32:
530 wl = 4;
531 break;
532 default:
533 return -EINVAL;
534 }
535
536 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
537 snd_soc_component_update_bits(component, ES8328_DACCONTROL1,
538 ES8328_DACCONTROL1_DACWL_MASK,
539 wl << ES8328_DACCONTROL1_DACWL_SHIFT);
540
541 es8328->playback_fs = params_rate(params);
542 es8328_set_deemph(component);
543 } else
544 snd_soc_component_update_bits(component, ES8328_ADCCONTROL4,
545 ES8328_ADCCONTROL4_ADCWL_MASK,
546 wl << ES8328_ADCCONTROL4_ADCWL_SHIFT);
547
548 return snd_soc_component_update_bits(component, reg, ES8328_RATEMASK, ratio);
549 }
550
551 static int es8328_set_sysclk(struct snd_soc_dai *codec_dai,
552 int clk_id, unsigned int freq, int dir)
553 {
554 struct snd_soc_component *component = codec_dai->component;
555 struct es8328_priv *es8328 = snd_soc_component_get_drvdata(component);
556 int mclkdiv2 = 0;
557
558 switch (freq) {
559 case 0:
560 es8328->sysclk_constraints = NULL;
561 es8328->mclk_ratios = NULL;
562 break;
563 case 22579200:
564 mclkdiv2 = 1;
565 /* fall through */
566 case 11289600:
567 es8328->sysclk_constraints = &constraints_11289;
568 es8328->mclk_ratios = ratios_11289;
569 break;
570 case 24576000:
571 mclkdiv2 = 1;
572 /* fall through */
573 case 12288000:
574 es8328->sysclk_constraints = &constraints_12288;
575 es8328->mclk_ratios = ratios_12288;
576 break;
577 default:
578 return -EINVAL;
579 }
580
581 es8328->mclkdiv2 = mclkdiv2;
582 return 0;
583 }
584
585 static int es8328_set_dai_fmt(struct snd_soc_dai *codec_dai,
586 unsigned int fmt)
587 {
588 struct snd_soc_component *component = codec_dai->component;
589 struct es8328_priv *es8328 = snd_soc_component_get_drvdata(component);
590 u8 dac_mode = 0;
591 u8 adc_mode = 0;
592
593 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
594 case SND_SOC_DAIFMT_CBM_CFM:
595 /* Master serial port mode, with BCLK generated automatically */
596 snd_soc_component_update_bits(component, ES8328_MASTERMODE,
597 ES8328_MASTERMODE_MSC,
598 ES8328_MASTERMODE_MSC);
599 es8328->master = true;
600 break;
601 case SND_SOC_DAIFMT_CBS_CFS:
602 /* Slave serial port mode */
603 snd_soc_component_update_bits(component, ES8328_MASTERMODE,
604 ES8328_MASTERMODE_MSC, 0);
605 es8328->master = false;
606 break;
607 default:
608 return -EINVAL;
609 }
610
611 /* interface format */
612 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
613 case SND_SOC_DAIFMT_I2S:
614 dac_mode |= ES8328_DACCONTROL1_DACFORMAT_I2S;
615 adc_mode |= ES8328_ADCCONTROL4_ADCFORMAT_I2S;
616 break;
617 case SND_SOC_DAIFMT_RIGHT_J:
618 dac_mode |= ES8328_DACCONTROL1_DACFORMAT_RJUST;
619 adc_mode |= ES8328_ADCCONTROL4_ADCFORMAT_RJUST;
620 break;
621 case SND_SOC_DAIFMT_LEFT_J:
622 dac_mode |= ES8328_DACCONTROL1_DACFORMAT_LJUST;
623 adc_mode |= ES8328_ADCCONTROL4_ADCFORMAT_LJUST;
624 break;
625 default:
626 return -EINVAL;
627 }
628
629 /* clock inversion */
630 if ((fmt & SND_SOC_DAIFMT_INV_MASK) != SND_SOC_DAIFMT_NB_NF)
631 return -EINVAL;
632
633 snd_soc_component_update_bits(component, ES8328_DACCONTROL1,
634 ES8328_DACCONTROL1_DACFORMAT_MASK, dac_mode);
635 snd_soc_component_update_bits(component, ES8328_ADCCONTROL4,
636 ES8328_ADCCONTROL4_ADCFORMAT_MASK, adc_mode);
637
638 return 0;
639 }
640
641 static int es8328_set_bias_level(struct snd_soc_component *component,
642 enum snd_soc_bias_level level)
643 {
644 switch (level) {
645 case SND_SOC_BIAS_ON:
646 break;
647
648 case SND_SOC_BIAS_PREPARE:
649 /* VREF, VMID=2x50k, digital enabled */
650 snd_soc_component_write(component, ES8328_CHIPPOWER, 0);
651 snd_soc_component_update_bits(component, ES8328_CONTROL1,
652 ES8328_CONTROL1_VMIDSEL_MASK |
653 ES8328_CONTROL1_ENREF,
654 ES8328_CONTROL1_VMIDSEL_50k |
655 ES8328_CONTROL1_ENREF);
656 break;
657
658 case SND_SOC_BIAS_STANDBY:
659 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
660 snd_soc_component_update_bits(component, ES8328_CONTROL1,
661 ES8328_CONTROL1_VMIDSEL_MASK |
662 ES8328_CONTROL1_ENREF,
663 ES8328_CONTROL1_VMIDSEL_5k |
664 ES8328_CONTROL1_ENREF);
665
666 /* Charge caps */
667 msleep(100);
668 }
669
670 snd_soc_component_write(component, ES8328_CONTROL2,
671 ES8328_CONTROL2_OVERCURRENT_ON |
672 ES8328_CONTROL2_THERMAL_SHUTDOWN_ON);
673
674 /* VREF, VMID=2*500k, digital stopped */
675 snd_soc_component_update_bits(component, ES8328_CONTROL1,
676 ES8328_CONTROL1_VMIDSEL_MASK |
677 ES8328_CONTROL1_ENREF,
678 ES8328_CONTROL1_VMIDSEL_500k |
679 ES8328_CONTROL1_ENREF);
680 break;
681
682 case SND_SOC_BIAS_OFF:
683 snd_soc_component_update_bits(component, ES8328_CONTROL1,
684 ES8328_CONTROL1_VMIDSEL_MASK |
685 ES8328_CONTROL1_ENREF,
686 0);
687 break;
688 }
689 return 0;
690 }
691
692 static const struct snd_soc_dai_ops es8328_dai_ops = {
693 .startup = es8328_startup,
694 .hw_params = es8328_hw_params,
695 .digital_mute = es8328_mute,
696 .set_sysclk = es8328_set_sysclk,
697 .set_fmt = es8328_set_dai_fmt,
698 };
699
700 static struct snd_soc_dai_driver es8328_dai = {
701 .name = "es8328-hifi-analog",
702 .playback = {
703 .stream_name = "Playback",
704 .channels_min = 2,
705 .channels_max = 2,
706 .rates = ES8328_RATES,
707 .formats = ES8328_FORMATS,
708 },
709 .capture = {
710 .stream_name = "Capture",
711 .channels_min = 2,
712 .channels_max = 2,
713 .rates = ES8328_RATES,
714 .formats = ES8328_FORMATS,
715 },
716 .ops = &es8328_dai_ops,
717 .symmetric_rates = 1,
718 };
719
720 static int es8328_suspend(struct snd_soc_component *component)
721 {
722 struct es8328_priv *es8328;
723 int ret;
724
725 es8328 = snd_soc_component_get_drvdata(component);
726
727 clk_disable_unprepare(es8328->clk);
728
729 ret = regulator_bulk_disable(ARRAY_SIZE(es8328->supplies),
730 es8328->supplies);
731 if (ret) {
732 dev_err(component->dev, "unable to disable regulators\n");
733 return ret;
734 }
735 return 0;
736 }
737
738 static int es8328_resume(struct snd_soc_component *component)
739 {
740 struct regmap *regmap = dev_get_regmap(component->dev, NULL);
741 struct es8328_priv *es8328;
742 int ret;
743
744 es8328 = snd_soc_component_get_drvdata(component);
745
746 ret = clk_prepare_enable(es8328->clk);
747 if (ret) {
748 dev_err(component->dev, "unable to enable clock\n");
749 return ret;
750 }
751
752 ret = regulator_bulk_enable(ARRAY_SIZE(es8328->supplies),
753 es8328->supplies);
754 if (ret) {
755 dev_err(component->dev, "unable to enable regulators\n");
756 return ret;
757 }
758
759 regcache_mark_dirty(regmap);
760 ret = regcache_sync(regmap);
761 if (ret) {
762 dev_err(component->dev, "unable to sync regcache\n");
763 return ret;
764 }
765
766 return 0;
767 }
768
769 static int es8328_component_probe(struct snd_soc_component *component)
770 {
771 struct es8328_priv *es8328;
772 int ret;
773
774 es8328 = snd_soc_component_get_drvdata(component);
775
776 ret = regulator_bulk_enable(ARRAY_SIZE(es8328->supplies),
777 es8328->supplies);
778 if (ret) {
779 dev_err(component->dev, "unable to enable regulators\n");
780 return ret;
781 }
782
783 /* Setup clocks */
784 es8328->clk = devm_clk_get(component->dev, NULL);
785 if (IS_ERR(es8328->clk)) {
786 dev_err(component->dev, "codec clock missing or invalid\n");
787 ret = PTR_ERR(es8328->clk);
788 goto clk_fail;
789 }
790
791 ret = clk_prepare_enable(es8328->clk);
792 if (ret) {
793 dev_err(component->dev, "unable to prepare codec clk\n");
794 goto clk_fail;
795 }
796
797 return 0;
798
799 clk_fail:
800 regulator_bulk_disable(ARRAY_SIZE(es8328->supplies),
801 es8328->supplies);
802 return ret;
803 }
804
805 static void es8328_remove(struct snd_soc_component *component)
806 {
807 struct es8328_priv *es8328;
808
809 es8328 = snd_soc_component_get_drvdata(component);
810
811 if (es8328->clk)
812 clk_disable_unprepare(es8328->clk);
813
814 regulator_bulk_disable(ARRAY_SIZE(es8328->supplies),
815 es8328->supplies);
816 }
817
818 const struct regmap_config es8328_regmap_config = {
819 .reg_bits = 8,
820 .val_bits = 8,
821 .max_register = ES8328_REG_MAX,
822 .cache_type = REGCACHE_RBTREE,
823 .use_single_read = true,
824 .use_single_write = true,
825 };
826 EXPORT_SYMBOL_GPL(es8328_regmap_config);
827
828 static const struct snd_soc_component_driver es8328_component_driver = {
829 .probe = es8328_component_probe,
830 .remove = es8328_remove,
831 .suspend = es8328_suspend,
832 .resume = es8328_resume,
833 .set_bias_level = es8328_set_bias_level,
834 .controls = es8328_snd_controls,
835 .num_controls = ARRAY_SIZE(es8328_snd_controls),
836 .dapm_widgets = es8328_dapm_widgets,
837 .num_dapm_widgets = ARRAY_SIZE(es8328_dapm_widgets),
838 .dapm_routes = es8328_dapm_routes,
839 .num_dapm_routes = ARRAY_SIZE(es8328_dapm_routes),
840 .suspend_bias_off = 1,
841 .idle_bias_on = 1,
842 .use_pmdown_time = 1,
843 .endianness = 1,
844 .non_legacy_dai_naming = 1,
845 };
846
847 int es8328_probe(struct device *dev, struct regmap *regmap)
848 {
849 struct es8328_priv *es8328;
850 int ret;
851 int i;
852
853 if (IS_ERR(regmap))
854 return PTR_ERR(regmap);
855
856 es8328 = devm_kzalloc(dev, sizeof(*es8328), GFP_KERNEL);
857 if (es8328 == NULL)
858 return -ENOMEM;
859
860 es8328->regmap = regmap;
861
862 for (i = 0; i < ARRAY_SIZE(es8328->supplies); i++)
863 es8328->supplies[i].supply = supply_names[i];
864
865 ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(es8328->supplies),
866 es8328->supplies);
867 if (ret) {
868 dev_err(dev, "unable to get regulators\n");
869 return ret;
870 }
871
872 dev_set_drvdata(dev, es8328);
873
874 return devm_snd_soc_register_component(dev,
875 &es8328_component_driver, &es8328_dai, 1);
876 }
877 EXPORT_SYMBOL_GPL(es8328_probe);
878
879 MODULE_DESCRIPTION("ASoC ES8328 driver");
880 MODULE_AUTHOR("Sean Cross <xobs@kosagi.com>");
881 MODULE_LICENSE("GPL");
Linux with added FPC-III support