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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Common code for ADAU1X61 and ADAU1X81 codecs
4 *
5 * Copyright 2011-2014 Analog Devices Inc.
6 * Author: Lars-Peter Clausen <lars@metafoo.de>
7 */
8
9#include <linux/module.h>
10#include <linux/init.h>
11#include <linux/clk.h>
12#include <linux/delay.h>
13#include <linux/slab.h>
14#include <sound/core.h>
15#include <sound/pcm.h>
16#include <sound/pcm_params.h>
17#include <sound/soc.h>
18#include <sound/tlv.h>
19#include <linux/i2c.h>
20#include <linux/spi/spi.h>
21#include <linux/regmap.h>
22#include <linux/unaligned.h>
23
24#include "sigmadsp.h"
25#include "adau17x1.h"
26#include "adau-utils.h"
27
28#define ADAU17X1_SAFELOAD_TARGET_ADDRESS 0x0006
29#define ADAU17X1_SAFELOAD_TRIGGER 0x0007
30#define ADAU17X1_SAFELOAD_DATA 0x0001
31#define ADAU17X1_SAFELOAD_DATA_SIZE 20
32#define ADAU17X1_WORD_SIZE 4
33
34static const char * const adau17x1_capture_mixer_boost_text[] = {
35 "Normal operation", "Boost Level 1", "Boost Level 2", "Boost Level 3",
36};
37
38static SOC_ENUM_SINGLE_DECL(adau17x1_capture_boost_enum,
39 ADAU17X1_REC_POWER_MGMT, 5, adau17x1_capture_mixer_boost_text);
40
41static const char * const adau17x1_mic_bias_mode_text[] = {
42 "Normal operation", "High performance",
43};
44
45static SOC_ENUM_SINGLE_DECL(adau17x1_mic_bias_mode_enum,
46 ADAU17X1_MICBIAS, 3, adau17x1_mic_bias_mode_text);
47
48static const DECLARE_TLV_DB_MINMAX(adau17x1_digital_tlv, -9563, 0);
49
50static const struct snd_kcontrol_new adau17x1_controls[] = {
51 SOC_DOUBLE_R_TLV("Digital Capture Volume",
52 ADAU17X1_LEFT_INPUT_DIGITAL_VOL,
53 ADAU17X1_RIGHT_INPUT_DIGITAL_VOL,
54 0, 0xff, 1, adau17x1_digital_tlv),
55 SOC_DOUBLE_R_TLV("Digital Playback Volume", ADAU17X1_DAC_CONTROL1,
56 ADAU17X1_DAC_CONTROL2, 0, 0xff, 1, adau17x1_digital_tlv),
57
58 SOC_SINGLE("ADC High Pass Filter Switch", ADAU17X1_ADC_CONTROL,
59 5, 1, 0),
60 SOC_SINGLE("Playback De-emphasis Switch", ADAU17X1_DAC_CONTROL0,
61 2, 1, 0),
62
63 SOC_ENUM("Capture Boost", adau17x1_capture_boost_enum),
64
65 SOC_ENUM("Mic Bias Mode", adau17x1_mic_bias_mode_enum),
66};
67
68static int adau17x1_setup_firmware(struct snd_soc_component *component,
69 unsigned int rate);
70
71static int adau17x1_pll_event(struct snd_soc_dapm_widget *w,
72 struct snd_kcontrol *kcontrol, int event)
73{
74 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
75 struct adau *adau = snd_soc_component_get_drvdata(component);
76
77 if (SND_SOC_DAPM_EVENT_ON(event)) {
78 adau->pll_regs[5] = 1;
79 } else {
80 adau->pll_regs[5] = 0;
81 /* Bypass the PLL when disabled, otherwise registers will become
82 * inaccessible. */
83 regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
84 ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL, 0);
85 }
86
87 /* The PLL register is 6 bytes long and can only be written at once. */
88 regmap_raw_write(adau->regmap, ADAU17X1_PLL_CONTROL,
89 adau->pll_regs, ARRAY_SIZE(adau->pll_regs));
90
91 if (SND_SOC_DAPM_EVENT_ON(event)) {
92 mdelay(5);
93 regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
94 ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL,
95 ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL);
96 }
97
98 return 0;
99}
100
101static int adau17x1_adc_fixup(struct snd_soc_dapm_widget *w,
102 struct snd_kcontrol *kcontrol, int event)
103{
104 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
105 struct adau *adau = snd_soc_component_get_drvdata(component);
106
107 /*
108 * If we are capturing, toggle the ADOSR bit in Converter Control 0 to
109 * avoid losing SNR (workaround from ADI). This must be done after
110 * the ADC(s) have been enabled. According to the data sheet, it is
111 * normally illegal to set this bit when the sampling rate is 96 kHz,
112 * but according to ADI it is acceptable for this workaround.
113 */
114 regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0,
115 ADAU17X1_CONVERTER0_ADOSR, ADAU17X1_CONVERTER0_ADOSR);
116 regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0,
117 ADAU17X1_CONVERTER0_ADOSR, 0);
118
119 return 0;
120}
121
122static const char * const adau17x1_mono_stereo_text[] = {
123 "Stereo",
124 "Mono Left Channel (L+R)",
125 "Mono Right Channel (L+R)",
126 "Mono (L+R)",
127};
128
129static SOC_ENUM_SINGLE_DECL(adau17x1_dac_mode_enum,
130 ADAU17X1_DAC_CONTROL0, 6, adau17x1_mono_stereo_text);
131
132static const struct snd_kcontrol_new adau17x1_dac_mode_mux =
133 SOC_DAPM_ENUM("DAC Mono-Stereo-Mode", adau17x1_dac_mode_enum);
134
135static const struct snd_soc_dapm_widget adau17x1_dapm_widgets[] = {
136 SND_SOC_DAPM_SUPPLY_S("PLL", 3, SND_SOC_NOPM, 0, 0, adau17x1_pll_event,
137 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
138
139 SND_SOC_DAPM_SUPPLY("AIFCLK", SND_SOC_NOPM, 0, 0, NULL, 0),
140
141 SND_SOC_DAPM_SUPPLY("MICBIAS", ADAU17X1_MICBIAS, 0, 0, NULL, 0),
142
143 SND_SOC_DAPM_SUPPLY("Left Playback Enable", ADAU17X1_PLAY_POWER_MGMT,
144 0, 0, NULL, 0),
145 SND_SOC_DAPM_SUPPLY("Right Playback Enable", ADAU17X1_PLAY_POWER_MGMT,
146 1, 0, NULL, 0),
147
148 SND_SOC_DAPM_MUX("Left DAC Mode Mux", SND_SOC_NOPM, 0, 0,
149 &adau17x1_dac_mode_mux),
150 SND_SOC_DAPM_MUX("Right DAC Mode Mux", SND_SOC_NOPM, 0, 0,
151 &adau17x1_dac_mode_mux),
152
153 SND_SOC_DAPM_ADC_E("Left Decimator", NULL, ADAU17X1_ADC_CONTROL, 0, 0,
154 adau17x1_adc_fixup, SND_SOC_DAPM_POST_PMU),
155 SND_SOC_DAPM_ADC("Right Decimator", NULL, ADAU17X1_ADC_CONTROL, 1, 0),
156 SND_SOC_DAPM_DAC("Left DAC", NULL, ADAU17X1_DAC_CONTROL0, 0, 0),
157 SND_SOC_DAPM_DAC("Right DAC", NULL, ADAU17X1_DAC_CONTROL0, 1, 0),
158};
159
160static const struct snd_soc_dapm_route adau17x1_dapm_routes[] = {
161 { "Left Decimator", NULL, "SYSCLK" },
162 { "Right Decimator", NULL, "SYSCLK" },
163 { "Left DAC", NULL, "SYSCLK" },
164 { "Right DAC", NULL, "SYSCLK" },
165 { "Capture", NULL, "SYSCLK" },
166 { "Playback", NULL, "SYSCLK" },
167
168 { "Left DAC", NULL, "Left DAC Mode Mux" },
169 { "Right DAC", NULL, "Right DAC Mode Mux" },
170
171 { "Capture", NULL, "AIFCLK" },
172 { "Playback", NULL, "AIFCLK" },
173};
174
175static const struct snd_soc_dapm_route adau17x1_dapm_pll_route = {
176 "SYSCLK", NULL, "PLL",
177};
178
179/*
180 * The MUX register for the Capture and Playback MUXs selects either DSP as
181 * source/destination or one of the TDM slots. The TDM slot is selected via
182 * snd_soc_dai_set_tdm_slot(), so we only expose whether to go to the DSP or
183 * directly to the DAI interface with this control.
184 */
185static int adau17x1_dsp_mux_enum_put(struct snd_kcontrol *kcontrol,
186 struct snd_ctl_elem_value *ucontrol)
187{
188 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
189 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
190 struct adau *adau = snd_soc_component_get_drvdata(component);
191 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
192 struct snd_soc_dapm_update update = {};
193 unsigned int stream = e->shift_l;
194 unsigned int val, change;
195 int reg;
196
197 if (ucontrol->value.enumerated.item[0] >= e->items)
198 return -EINVAL;
199
200 switch (ucontrol->value.enumerated.item[0]) {
201 case 0:
202 val = 0;
203 adau->dsp_bypass[stream] = false;
204 break;
205 default:
206 val = (adau->tdm_slot[stream] * 2) + 1;
207 adau->dsp_bypass[stream] = true;
208 break;
209 }
210
211 if (stream == SNDRV_PCM_STREAM_PLAYBACK)
212 reg = ADAU17X1_SERIAL_INPUT_ROUTE;
213 else
214 reg = ADAU17X1_SERIAL_OUTPUT_ROUTE;
215
216 change = snd_soc_component_test_bits(component, reg, 0xff, val);
217 if (change) {
218 update.kcontrol = kcontrol;
219 update.mask = 0xff;
220 update.reg = reg;
221 update.val = val;
222
223 snd_soc_dapm_mux_update_power(dapm, kcontrol,
224 ucontrol->value.enumerated.item[0], e, &update);
225 }
226
227 return change;
228}
229
230static int adau17x1_dsp_mux_enum_get(struct snd_kcontrol *kcontrol,
231 struct snd_ctl_elem_value *ucontrol)
232{
233 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
234 struct adau *adau = snd_soc_component_get_drvdata(component);
235 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
236 unsigned int stream = e->shift_l;
237 unsigned int reg, val;
238 int ret;
239
240 if (stream == SNDRV_PCM_STREAM_PLAYBACK)
241 reg = ADAU17X1_SERIAL_INPUT_ROUTE;
242 else
243 reg = ADAU17X1_SERIAL_OUTPUT_ROUTE;
244
245 ret = regmap_read(adau->regmap, reg, &val);
246 if (ret)
247 return ret;
248
249 if (val != 0)
250 val = 1;
251 ucontrol->value.enumerated.item[0] = val;
252
253 return 0;
254}
255
256#define DECLARE_ADAU17X1_DSP_MUX_CTRL(_name, _label, _stream, _text) \
257 const struct snd_kcontrol_new _name = \
258 SOC_DAPM_ENUM_EXT(_label, (const struct soc_enum)\
259 SOC_ENUM_SINGLE(SND_SOC_NOPM, _stream, \
260 ARRAY_SIZE(_text), _text), \
261 adau17x1_dsp_mux_enum_get, adau17x1_dsp_mux_enum_put)
262
263static const char * const adau17x1_dac_mux_text[] = {
264 "DSP",
265 "AIFIN",
266};
267
268static const char * const adau17x1_capture_mux_text[] = {
269 "DSP",
270 "Decimator",
271};
272
273static DECLARE_ADAU17X1_DSP_MUX_CTRL(adau17x1_dac_mux, "DAC Playback Mux",
274 SNDRV_PCM_STREAM_PLAYBACK, adau17x1_dac_mux_text);
275
276static DECLARE_ADAU17X1_DSP_MUX_CTRL(adau17x1_capture_mux, "Capture Mux",
277 SNDRV_PCM_STREAM_CAPTURE, adau17x1_capture_mux_text);
278
279static const struct snd_soc_dapm_widget adau17x1_dsp_dapm_widgets[] = {
280 SND_SOC_DAPM_PGA("DSP", ADAU17X1_DSP_RUN, 0, 0, NULL, 0),
281 SND_SOC_DAPM_SIGGEN("DSP Siggen"),
282
283 SND_SOC_DAPM_MUX("DAC Playback Mux", SND_SOC_NOPM, 0, 0,
284 &adau17x1_dac_mux),
285 SND_SOC_DAPM_MUX("Capture Mux", SND_SOC_NOPM, 0, 0,
286 &adau17x1_capture_mux),
287};
288
289static const struct snd_soc_dapm_route adau17x1_dsp_dapm_routes[] = {
290 { "DAC Playback Mux", "DSP", "DSP" },
291 { "DAC Playback Mux", "AIFIN", "Playback" },
292
293 { "Left DAC Mode Mux", "Stereo", "DAC Playback Mux" },
294 { "Left DAC Mode Mux", "Mono (L+R)", "DAC Playback Mux" },
295 { "Left DAC Mode Mux", "Mono Left Channel (L+R)", "DAC Playback Mux" },
296 { "Right DAC Mode Mux", "Stereo", "DAC Playback Mux" },
297 { "Right DAC Mode Mux", "Mono (L+R)", "DAC Playback Mux" },
298 { "Right DAC Mode Mux", "Mono Right Channel (L+R)", "DAC Playback Mux" },
299
300 { "Capture Mux", "DSP", "DSP" },
301 { "Capture Mux", "Decimator", "Left Decimator" },
302 { "Capture Mux", "Decimator", "Right Decimator" },
303
304 { "Capture", NULL, "Capture Mux" },
305
306 { "DSP", NULL, "DSP Siggen" },
307
308 { "DSP", NULL, "Left Decimator" },
309 { "DSP", NULL, "Right Decimator" },
310 { "DSP", NULL, "Playback" },
311};
312
313static const struct snd_soc_dapm_route adau17x1_no_dsp_dapm_routes[] = {
314 { "Left DAC Mode Mux", "Stereo", "Playback" },
315 { "Left DAC Mode Mux", "Mono (L+R)", "Playback" },
316 { "Left DAC Mode Mux", "Mono Left Channel (L+R)", "Playback" },
317 { "Right DAC Mode Mux", "Stereo", "Playback" },
318 { "Right DAC Mode Mux", "Mono (L+R)", "Playback" },
319 { "Right DAC Mode Mux", "Mono Right Channel (L+R)", "Playback" },
320 { "Capture", NULL, "Left Decimator" },
321 { "Capture", NULL, "Right Decimator" },
322};
323
324static bool adau17x1_has_dsp(struct adau *adau)
325{
326 switch (adau->type) {
327 case ADAU1761:
328 case ADAU1381:
329 case ADAU1781:
330 return true;
331 default:
332 return false;
333 }
334}
335
336/* Chip has a DSP but we're pretending it doesn't. */
337static bool adau17x1_has_disused_dsp(struct adau *adau)
338{
339 switch (adau->type) {
340 case ADAU1761_AS_1361:
341 return true;
342 default:
343 return false;
344 }
345}
346
347static bool adau17x1_has_safeload(struct adau *adau)
348{
349 switch (adau->type) {
350 case ADAU1761:
351 case ADAU1781:
352 return true;
353 default:
354 return false;
355 }
356}
357
358static int adau17x1_set_dai_pll(struct snd_soc_dai *dai, int pll_id,
359 int source, unsigned int freq_in, unsigned int freq_out)
360{
361 struct snd_soc_component *component = dai->component;
362 struct adau *adau = snd_soc_component_get_drvdata(component);
363 int ret;
364
365 if (freq_in < 8000000 || freq_in > 27000000)
366 return -EINVAL;
367
368 ret = adau_calc_pll_cfg(freq_in, freq_out, adau->pll_regs);
369 if (ret < 0)
370 return ret;
371
372 /* The PLL register is 6 bytes long and can only be written at once. */
373 ret = regmap_raw_write(adau->regmap, ADAU17X1_PLL_CONTROL,
374 adau->pll_regs, ARRAY_SIZE(adau->pll_regs));
375 if (ret)
376 return ret;
377
378 adau->pll_freq = freq_out;
379
380 return 0;
381}
382
383static int adau17x1_set_dai_sysclk(struct snd_soc_dai *dai,
384 int clk_id, unsigned int freq, int dir)
385{
386 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(dai->component);
387 struct adau *adau = snd_soc_component_get_drvdata(dai->component);
388 bool is_pll;
389 bool was_pll;
390
391 switch (clk_id) {
392 case ADAU17X1_CLK_SRC_MCLK:
393 is_pll = false;
394 break;
395 case ADAU17X1_CLK_SRC_PLL_AUTO:
396 if (!adau->mclk)
397 return -EINVAL;
398 fallthrough;
399 case ADAU17X1_CLK_SRC_PLL:
400 is_pll = true;
401 break;
402 default:
403 return -EINVAL;
404 }
405
406 switch (adau->clk_src) {
407 case ADAU17X1_CLK_SRC_MCLK:
408 was_pll = false;
409 break;
410 case ADAU17X1_CLK_SRC_PLL:
411 case ADAU17X1_CLK_SRC_PLL_AUTO:
412 was_pll = true;
413 break;
414 default:
415 return -EINVAL;
416 }
417
418 adau->sysclk = freq;
419
420 if (is_pll != was_pll) {
421 if (is_pll) {
422 snd_soc_dapm_add_routes(dapm,
423 &adau17x1_dapm_pll_route, 1);
424 } else {
425 snd_soc_dapm_del_routes(dapm,
426 &adau17x1_dapm_pll_route, 1);
427 }
428 }
429
430 adau->clk_src = clk_id;
431
432 return 0;
433}
434
435static int adau17x1_auto_pll(struct snd_soc_dai *dai,
436 struct snd_pcm_hw_params *params)
437{
438 struct adau *adau = snd_soc_dai_get_drvdata(dai);
439 unsigned int pll_rate;
440
441 switch (params_rate(params)) {
442 case 48000:
443 case 8000:
444 case 12000:
445 case 16000:
446 case 24000:
447 case 32000:
448 case 96000:
449 pll_rate = 48000 * 1024;
450 break;
451 case 44100:
452 case 7350:
453 case 11025:
454 case 14700:
455 case 22050:
456 case 29400:
457 case 88200:
458 pll_rate = 44100 * 1024;
459 break;
460 default:
461 return -EINVAL;
462 }
463
464 return adau17x1_set_dai_pll(dai, ADAU17X1_PLL, ADAU17X1_PLL_SRC_MCLK,
465 clk_get_rate(adau->mclk), pll_rate);
466}
467
468static int adau17x1_hw_params(struct snd_pcm_substream *substream,
469 struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
470{
471 struct snd_soc_component *component = dai->component;
472 struct adau *adau = snd_soc_component_get_drvdata(component);
473 unsigned int val, div, dsp_div;
474 unsigned int freq;
475 int ret;
476
477 switch (adau->clk_src) {
478 case ADAU17X1_CLK_SRC_PLL_AUTO:
479 ret = adau17x1_auto_pll(dai, params);
480 if (ret)
481 return ret;
482 fallthrough;
483 case ADAU17X1_CLK_SRC_PLL:
484 freq = adau->pll_freq;
485 break;
486 default:
487 freq = adau->sysclk;
488 break;
489 }
490
491 if (freq % params_rate(params) != 0)
492 return -EINVAL;
493
494 switch (freq / params_rate(params)) {
495 case 1024: /* fs */
496 div = 0;
497 dsp_div = 1;
498 break;
499 case 6144: /* fs / 6 */
500 div = 1;
501 dsp_div = 6;
502 break;
503 case 4096: /* fs / 4 */
504 div = 2;
505 dsp_div = 5;
506 break;
507 case 3072: /* fs / 3 */
508 div = 3;
509 dsp_div = 4;
510 break;
511 case 2048: /* fs / 2 */
512 div = 4;
513 dsp_div = 3;
514 break;
515 case 1536: /* fs / 1.5 */
516 div = 5;
517 dsp_div = 2;
518 break;
519 case 512: /* fs / 0.5 */
520 div = 6;
521 dsp_div = 0;
522 break;
523 default:
524 return -EINVAL;
525 }
526
527 regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0,
528 ADAU17X1_CONVERTER0_CONVSR_MASK, div);
529
530 if (adau17x1_has_dsp(adau) || adau17x1_has_disused_dsp(adau))
531 regmap_write(adau->regmap, ADAU17X1_SERIAL_SAMPLING_RATE, div);
532 if (adau17x1_has_dsp(adau))
533 regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, dsp_div);
534
535 if (adau->sigmadsp) {
536 ret = adau17x1_setup_firmware(component, params_rate(params));
537 if (ret < 0)
538 return ret;
539 }
540
541 if (adau->dai_fmt != SND_SOC_DAIFMT_RIGHT_J)
542 return 0;
543
544 switch (params_width(params)) {
545 case 16:
546 val = ADAU17X1_SERIAL_PORT1_DELAY16;
547 break;
548 case 24:
549 val = ADAU17X1_SERIAL_PORT1_DELAY8;
550 break;
551 case 32:
552 val = ADAU17X1_SERIAL_PORT1_DELAY0;
553 break;
554 default:
555 return -EINVAL;
556 }
557
558 return regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT1,
559 ADAU17X1_SERIAL_PORT1_DELAY_MASK, val);
560}
561
562static int adau17x1_set_dai_fmt(struct snd_soc_dai *dai,
563 unsigned int fmt)
564{
565 struct adau *adau = snd_soc_component_get_drvdata(dai->component);
566 unsigned int ctrl0, ctrl1;
567 unsigned int ctrl0_mask;
568 int lrclk_pol;
569
570 switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
571 case SND_SOC_DAIFMT_CBP_CFP:
572 ctrl0 = ADAU17X1_SERIAL_PORT0_MASTER;
573 adau->master = true;
574 break;
575 case SND_SOC_DAIFMT_CBC_CFC:
576 ctrl0 = 0;
577 adau->master = false;
578 break;
579 default:
580 return -EINVAL;
581 }
582
583 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
584 case SND_SOC_DAIFMT_I2S:
585 lrclk_pol = 0;
586 ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY1;
587 break;
588 case SND_SOC_DAIFMT_LEFT_J:
589 case SND_SOC_DAIFMT_RIGHT_J:
590 lrclk_pol = 1;
591 ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY0;
592 break;
593 case SND_SOC_DAIFMT_DSP_A:
594 lrclk_pol = 1;
595 ctrl0 |= ADAU17X1_SERIAL_PORT0_PULSE_MODE;
596 ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY1;
597 break;
598 case SND_SOC_DAIFMT_DSP_B:
599 lrclk_pol = 1;
600 ctrl0 |= ADAU17X1_SERIAL_PORT0_PULSE_MODE;
601 ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY0;
602 break;
603 default:
604 return -EINVAL;
605 }
606
607 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
608 case SND_SOC_DAIFMT_NB_NF:
609 break;
610 case SND_SOC_DAIFMT_IB_NF:
611 ctrl0 |= ADAU17X1_SERIAL_PORT0_BCLK_POL;
612 break;
613 case SND_SOC_DAIFMT_NB_IF:
614 lrclk_pol = !lrclk_pol;
615 break;
616 case SND_SOC_DAIFMT_IB_IF:
617 ctrl0 |= ADAU17X1_SERIAL_PORT0_BCLK_POL;
618 lrclk_pol = !lrclk_pol;
619 break;
620 default:
621 return -EINVAL;
622 }
623
624 if (lrclk_pol)
625 ctrl0 |= ADAU17X1_SERIAL_PORT0_LRCLK_POL;
626
627 /* Set the mask to update all relevant bits in ADAU17X1_SERIAL_PORT0 */
628 ctrl0_mask = ADAU17X1_SERIAL_PORT0_MASTER |
629 ADAU17X1_SERIAL_PORT0_LRCLK_POL |
630 ADAU17X1_SERIAL_PORT0_BCLK_POL |
631 ADAU17X1_SERIAL_PORT0_PULSE_MODE;
632
633 regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT0, ctrl0_mask,
634 ctrl0);
635 regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT1,
636 ADAU17X1_SERIAL_PORT1_DELAY_MASK, ctrl1);
637
638 adau->dai_fmt = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
639
640 return 0;
641}
642
643static int adau17x1_set_dai_tdm_slot(struct snd_soc_dai *dai,
644 unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
645{
646 struct adau *adau = snd_soc_component_get_drvdata(dai->component);
647 unsigned int ser_ctrl0, ser_ctrl1;
648 unsigned int conv_ctrl0, conv_ctrl1;
649
650 /* I2S mode */
651 if (slots == 0) {
652 slots = 2;
653 rx_mask = 3;
654 tx_mask = 3;
655 slot_width = 32;
656 }
657
658 switch (slots) {
659 case 2:
660 ser_ctrl0 = ADAU17X1_SERIAL_PORT0_STEREO;
661 break;
662 case 4:
663 ser_ctrl0 = ADAU17X1_SERIAL_PORT0_TDM4;
664 break;
665 case 8:
666 if (adau->type == ADAU1361)
667 return -EINVAL;
668
669 ser_ctrl0 = ADAU17X1_SERIAL_PORT0_TDM8;
670 break;
671 default:
672 return -EINVAL;
673 }
674
675 switch (slot_width * slots) {
676 case 32:
677 if (adau->type == ADAU1761 || adau->type == ADAU1761_AS_1361)
678 return -EINVAL;
679
680 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK32;
681 break;
682 case 64:
683 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK64;
684 break;
685 case 48:
686 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK48;
687 break;
688 case 128:
689 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK128;
690 break;
691 case 256:
692 if (adau->type == ADAU1361)
693 return -EINVAL;
694
695 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK256;
696 break;
697 default:
698 return -EINVAL;
699 }
700
701 switch (rx_mask) {
702 case 0x03:
703 conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(1);
704 adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 0;
705 break;
706 case 0x0c:
707 conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(2);
708 adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 1;
709 break;
710 case 0x30:
711 conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(3);
712 adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 2;
713 break;
714 case 0xc0:
715 conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(4);
716 adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 3;
717 break;
718 default:
719 return -EINVAL;
720 }
721
722 switch (tx_mask) {
723 case 0x03:
724 conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(1);
725 adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 0;
726 break;
727 case 0x0c:
728 conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(2);
729 adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 1;
730 break;
731 case 0x30:
732 conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(3);
733 adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 2;
734 break;
735 case 0xc0:
736 conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(4);
737 adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 3;
738 break;
739 default:
740 return -EINVAL;
741 }
742
743 regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0,
744 ADAU17X1_CONVERTER0_DAC_PAIR_MASK, conv_ctrl0);
745 regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER1,
746 ADAU17X1_CONVERTER1_ADC_PAIR_MASK, conv_ctrl1);
747 regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT0,
748 ADAU17X1_SERIAL_PORT0_TDM_MASK, ser_ctrl0);
749 regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT1,
750 ADAU17X1_SERIAL_PORT1_BCLK_MASK, ser_ctrl1);
751
752 if (!adau17x1_has_dsp(adau) && !adau17x1_has_disused_dsp(adau))
753 return 0;
754
755 if (adau->dsp_bypass[SNDRV_PCM_STREAM_PLAYBACK]) {
756 regmap_write(adau->regmap, ADAU17X1_SERIAL_INPUT_ROUTE,
757 (adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] * 2) + 1);
758 }
759
760 if (adau->dsp_bypass[SNDRV_PCM_STREAM_CAPTURE]) {
761 regmap_write(adau->regmap, ADAU17X1_SERIAL_OUTPUT_ROUTE,
762 (adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] * 2) + 1);
763 }
764
765 return 0;
766}
767
768static int adau17x1_startup(struct snd_pcm_substream *substream,
769 struct snd_soc_dai *dai)
770{
771 struct adau *adau = snd_soc_component_get_drvdata(dai->component);
772
773 if (adau->sigmadsp)
774 return sigmadsp_restrict_params(adau->sigmadsp, substream);
775
776 return 0;
777}
778
779const struct snd_soc_dai_ops adau17x1_dai_ops = {
780 .hw_params = adau17x1_hw_params,
781 .set_sysclk = adau17x1_set_dai_sysclk,
782 .set_fmt = adau17x1_set_dai_fmt,
783 .set_pll = adau17x1_set_dai_pll,
784 .set_tdm_slot = adau17x1_set_dai_tdm_slot,
785 .startup = adau17x1_startup,
786};
787EXPORT_SYMBOL_GPL(adau17x1_dai_ops);
788
789int adau17x1_set_micbias_voltage(struct snd_soc_component *component,
790 enum adau17x1_micbias_voltage micbias)
791{
792 struct adau *adau = snd_soc_component_get_drvdata(component);
793
794 switch (micbias) {
795 case ADAU17X1_MICBIAS_0_90_AVDD:
796 case ADAU17X1_MICBIAS_0_65_AVDD:
797 break;
798 default:
799 return -EINVAL;
800 }
801
802 return regmap_write(adau->regmap, ADAU17X1_MICBIAS, micbias << 2);
803}
804EXPORT_SYMBOL_GPL(adau17x1_set_micbias_voltage);
805
806bool adau17x1_precious_register(struct device *dev, unsigned int reg)
807{
808 /* SigmaDSP parameter memory */
809 if (reg < 0x400)
810 return true;
811
812 return false;
813}
814EXPORT_SYMBOL_GPL(adau17x1_precious_register);
815
816bool adau17x1_readable_register(struct device *dev, unsigned int reg)
817{
818 /* SigmaDSP parameter memory */
819 if (reg < 0x400)
820 return true;
821
822 switch (reg) {
823 case ADAU17X1_CLOCK_CONTROL:
824 case ADAU17X1_PLL_CONTROL:
825 case ADAU17X1_REC_POWER_MGMT:
826 case ADAU17X1_MICBIAS:
827 case ADAU17X1_SERIAL_PORT0:
828 case ADAU17X1_SERIAL_PORT1:
829 case ADAU17X1_CONVERTER0:
830 case ADAU17X1_CONVERTER1:
831 case ADAU17X1_LEFT_INPUT_DIGITAL_VOL:
832 case ADAU17X1_RIGHT_INPUT_DIGITAL_VOL:
833 case ADAU17X1_ADC_CONTROL:
834 case ADAU17X1_PLAY_POWER_MGMT:
835 case ADAU17X1_DAC_CONTROL0:
836 case ADAU17X1_DAC_CONTROL1:
837 case ADAU17X1_DAC_CONTROL2:
838 case ADAU17X1_SERIAL_PORT_PAD:
839 case ADAU17X1_CONTROL_PORT_PAD0:
840 case ADAU17X1_CONTROL_PORT_PAD1:
841 case ADAU17X1_DSP_SAMPLING_RATE:
842 case ADAU17X1_SERIAL_INPUT_ROUTE:
843 case ADAU17X1_SERIAL_OUTPUT_ROUTE:
844 case ADAU17X1_DSP_ENABLE:
845 case ADAU17X1_DSP_RUN:
846 case ADAU17X1_SERIAL_SAMPLING_RATE:
847 return true;
848 default:
849 break;
850 }
851 return false;
852}
853EXPORT_SYMBOL_GPL(adau17x1_readable_register);
854
855bool adau17x1_volatile_register(struct device *dev, unsigned int reg)
856{
857 /* SigmaDSP parameter and program memory */
858 if (reg < 0x4000)
859 return true;
860
861 switch (reg) {
862 /* The PLL register is 6 bytes long */
863 case ADAU17X1_PLL_CONTROL:
864 case ADAU17X1_PLL_CONTROL + 1:
865 case ADAU17X1_PLL_CONTROL + 2:
866 case ADAU17X1_PLL_CONTROL + 3:
867 case ADAU17X1_PLL_CONTROL + 4:
868 case ADAU17X1_PLL_CONTROL + 5:
869 return true;
870 default:
871 break;
872 }
873
874 return false;
875}
876EXPORT_SYMBOL_GPL(adau17x1_volatile_register);
877
878static int adau17x1_setup_firmware(struct snd_soc_component *component,
879 unsigned int rate)
880{
881 int ret;
882 int dspsr, dsp_run;
883 struct adau *adau = snd_soc_component_get_drvdata(component);
884 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
885
886 /* Check if sample rate is the same as before. If it is there is no
887 * point in performing the below steps as the call to
888 * sigmadsp_setup(...) will return directly when it finds the sample
889 * rate to be the same as before. By checking this we can prevent an
890 * audiable popping noise which occours when toggling DSP_RUN.
891 */
892 if (adau->sigmadsp->current_samplerate == rate)
893 return 0;
894
895 snd_soc_dapm_mutex_lock(dapm);
896
897 ret = regmap_read(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, &dspsr);
898 if (ret)
899 goto err;
900
901 ret = regmap_read(adau->regmap, ADAU17X1_DSP_RUN, &dsp_run);
902 if (ret)
903 goto err;
904
905 regmap_write(adau->regmap, ADAU17X1_DSP_ENABLE, 1);
906 regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, 0xf);
907 regmap_write(adau->regmap, ADAU17X1_DSP_RUN, 0);
908
909 ret = sigmadsp_setup(adau->sigmadsp, rate);
910 if (ret) {
911 regmap_write(adau->regmap, ADAU17X1_DSP_ENABLE, 0);
912 goto err;
913 }
914 regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, dspsr);
915 regmap_write(adau->regmap, ADAU17X1_DSP_RUN, dsp_run);
916
917err:
918 snd_soc_dapm_mutex_unlock(dapm);
919
920 return ret;
921}
922
923int adau17x1_add_widgets(struct snd_soc_component *component)
924{
925 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
926 struct adau *adau = snd_soc_component_get_drvdata(component);
927 int ret;
928
929 ret = snd_soc_add_component_controls(component, adau17x1_controls,
930 ARRAY_SIZE(adau17x1_controls));
931 if (ret)
932 return ret;
933 ret = snd_soc_dapm_new_controls(dapm, adau17x1_dapm_widgets,
934 ARRAY_SIZE(adau17x1_dapm_widgets));
935 if (ret)
936 return ret;
937
938 if (adau17x1_has_dsp(adau)) {
939 ret = snd_soc_dapm_new_controls(dapm, adau17x1_dsp_dapm_widgets,
940 ARRAY_SIZE(adau17x1_dsp_dapm_widgets));
941 if (ret)
942 return ret;
943
944 if (!adau->sigmadsp)
945 return 0;
946
947 ret = sigmadsp_attach(adau->sigmadsp, component);
948 if (ret) {
949 dev_err(component->dev, "Failed to attach firmware: %d\n",
950 ret);
951 return ret;
952 }
953 }
954
955 return 0;
956}
957EXPORT_SYMBOL_GPL(adau17x1_add_widgets);
958
959int adau17x1_add_routes(struct snd_soc_component *component)
960{
961 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
962 struct adau *adau = snd_soc_component_get_drvdata(component);
963 int ret;
964
965 ret = snd_soc_dapm_add_routes(dapm, adau17x1_dapm_routes,
966 ARRAY_SIZE(adau17x1_dapm_routes));
967 if (ret)
968 return ret;
969
970 if (adau17x1_has_dsp(adau)) {
971 ret = snd_soc_dapm_add_routes(dapm, adau17x1_dsp_dapm_routes,
972 ARRAY_SIZE(adau17x1_dsp_dapm_routes));
973 } else {
974 ret = snd_soc_dapm_add_routes(dapm, adau17x1_no_dsp_dapm_routes,
975 ARRAY_SIZE(adau17x1_no_dsp_dapm_routes));
976 }
977
978 if (adau->clk_src != ADAU17X1_CLK_SRC_MCLK)
979 snd_soc_dapm_add_routes(dapm, &adau17x1_dapm_pll_route, 1);
980
981 return ret;
982}
983EXPORT_SYMBOL_GPL(adau17x1_add_routes);
984
985int adau17x1_resume(struct snd_soc_component *component)
986{
987 struct adau *adau = snd_soc_component_get_drvdata(component);
988
989 if (adau->switch_mode)
990 adau->switch_mode(component->dev);
991
992 regcache_sync(adau->regmap);
993
994 return 0;
995}
996EXPORT_SYMBOL_GPL(adau17x1_resume);
997
998static int adau17x1_safeload(struct sigmadsp *sigmadsp, unsigned int addr,
999 const uint8_t bytes[], size_t len)
1000{
1001 uint8_t buf[ADAU17X1_WORD_SIZE];
1002 uint8_t data[ADAU17X1_SAFELOAD_DATA_SIZE];
1003 unsigned int addr_offset;
1004 unsigned int nbr_words;
1005 int ret;
1006
1007 /* write data to safeload addresses. Check if len is not a multiple of
1008 * 4 bytes, if so we need to zero pad.
1009 */
1010 nbr_words = len / ADAU17X1_WORD_SIZE;
1011 if ((len - nbr_words * ADAU17X1_WORD_SIZE) == 0) {
1012 ret = regmap_raw_write(sigmadsp->control_data,
1013 ADAU17X1_SAFELOAD_DATA, bytes, len);
1014 } else {
1015 nbr_words++;
1016 memset(data, 0, ADAU17X1_SAFELOAD_DATA_SIZE);
1017 memcpy(data, bytes, len);
1018 ret = regmap_raw_write(sigmadsp->control_data,
1019 ADAU17X1_SAFELOAD_DATA, data,
1020 nbr_words * ADAU17X1_WORD_SIZE);
1021 }
1022
1023 if (ret < 0)
1024 return ret;
1025
1026 /* Write target address, target address is offset by 1 */
1027 addr_offset = addr - 1;
1028 put_unaligned_be32(addr_offset, buf);
1029 ret = regmap_raw_write(sigmadsp->control_data,
1030 ADAU17X1_SAFELOAD_TARGET_ADDRESS, buf, ADAU17X1_WORD_SIZE);
1031 if (ret < 0)
1032 return ret;
1033
1034 /* write nbr of words to trigger address */
1035 put_unaligned_be32(nbr_words, buf);
1036 ret = regmap_raw_write(sigmadsp->control_data,
1037 ADAU17X1_SAFELOAD_TRIGGER, buf, ADAU17X1_WORD_SIZE);
1038 if (ret < 0)
1039 return ret;
1040
1041 return 0;
1042}
1043
1044static const struct sigmadsp_ops adau17x1_sigmadsp_ops = {
1045 .safeload = adau17x1_safeload,
1046};
1047
1048int adau17x1_probe(struct device *dev, struct regmap *regmap,
1049 enum adau17x1_type type, void (*switch_mode)(struct device *dev),
1050 const char *firmware_name)
1051{
1052 struct adau *adau;
1053 int ret;
1054
1055 if (IS_ERR(regmap))
1056 return PTR_ERR(regmap);
1057
1058 adau = devm_kzalloc(dev, sizeof(*adau), GFP_KERNEL);
1059 if (!adau)
1060 return -ENOMEM;
1061
1062 /* Clock is optional (for the driver) */
1063 adau->mclk = devm_clk_get_optional(dev, "mclk");
1064 if (IS_ERR(adau->mclk))
1065 return PTR_ERR(adau->mclk);
1066
1067 if (adau->mclk) {
1068 adau->clk_src = ADAU17X1_CLK_SRC_PLL_AUTO;
1069
1070 /*
1071 * Any valid PLL output rate will work at this point, use one
1072 * that is likely to be chosen later as well. The register will
1073 * be written when the PLL is powered up for the first time.
1074 */
1075 ret = adau_calc_pll_cfg(clk_get_rate(adau->mclk), 48000 * 1024,
1076 adau->pll_regs);
1077 if (ret < 0)
1078 return ret;
1079
1080 ret = clk_prepare_enable(adau->mclk);
1081 if (ret)
1082 return ret;
1083 }
1084
1085 adau->regmap = regmap;
1086 adau->switch_mode = switch_mode;
1087 adau->type = type;
1088
1089 dev_set_drvdata(dev, adau);
1090
1091 if (firmware_name) {
1092 if (adau17x1_has_safeload(adau)) {
1093 adau->sigmadsp = devm_sigmadsp_init_regmap(dev, regmap,
1094 &adau17x1_sigmadsp_ops, firmware_name);
1095 } else {
1096 adau->sigmadsp = devm_sigmadsp_init_regmap(dev, regmap,
1097 NULL, firmware_name);
1098 }
1099 if (IS_ERR(adau->sigmadsp)) {
1100 dev_warn(dev, "Could not find firmware file: %ld\n",
1101 PTR_ERR(adau->sigmadsp));
1102 adau->sigmadsp = NULL;
1103 }
1104 }
1105
1106 if (switch_mode)
1107 switch_mode(dev);
1108
1109 return 0;
1110}
1111EXPORT_SYMBOL_GPL(adau17x1_probe);
1112
1113void adau17x1_remove(struct device *dev)
1114{
1115 struct adau *adau = dev_get_drvdata(dev);
1116
1117 clk_disable_unprepare(adau->mclk);
1118}
1119EXPORT_SYMBOL_GPL(adau17x1_remove);
1120
1121MODULE_DESCRIPTION("ASoC ADAU1X61/ADAU1X81 common code");
1122MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
1123MODULE_LICENSE("GPL");