1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Common code for ADAU1X61 and ADAU1X81 codecs
5 * Copyright 2011-2014 Analog Devices Inc.
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/gcd.h>
20 #include <linux/i2c.h>
21 #include <linux/spi/spi.h>
22 #include <linux/regmap.h>
23 #include <asm/unaligned.h>
27 #include "adau-utils.h"
29 #define ADAU17X1_SAFELOAD_TARGET_ADDRESS 0x0006
30 #define ADAU17X1_SAFELOAD_TRIGGER 0x0007
31 #define ADAU17X1_SAFELOAD_DATA 0x0001
32 #define ADAU17X1_SAFELOAD_DATA_SIZE 20
33 #define ADAU17X1_WORD_SIZE 4
35 static const char * const adau17x1_capture_mixer_boost_text[] = {
36 "Normal operation", "Boost Level 1", "Boost Level 2", "Boost Level 3",
39 static SOC_ENUM_SINGLE_DECL(adau17x1_capture_boost_enum,
40 ADAU17X1_REC_POWER_MGMT, 5, adau17x1_capture_mixer_boost_text);
42 static const char * const adau17x1_mic_bias_mode_text[] = {
43 "Normal operation", "High performance",
46 static SOC_ENUM_SINGLE_DECL(adau17x1_mic_bias_mode_enum,
47 ADAU17X1_MICBIAS, 3, adau17x1_mic_bias_mode_text);
49 static const DECLARE_TLV_DB_MINMAX(adau17x1_digital_tlv, -9563, 0);
51 static const struct snd_kcontrol_new adau17x1_controls[] = {
52 SOC_DOUBLE_R_TLV("Digital Capture Volume",
53 ADAU17X1_LEFT_INPUT_DIGITAL_VOL,
54 ADAU17X1_RIGHT_INPUT_DIGITAL_VOL,
55 0, 0xff, 1, adau17x1_digital_tlv),
56 SOC_DOUBLE_R_TLV("Digital Playback Volume", ADAU17X1_DAC_CONTROL1,
57 ADAU17X1_DAC_CONTROL2, 0, 0xff, 1, adau17x1_digital_tlv),
59 SOC_SINGLE("ADC High Pass Filter Switch", ADAU17X1_ADC_CONTROL,
61 SOC_SINGLE("Playback De-emphasis Switch", ADAU17X1_DAC_CONTROL0,
64 SOC_ENUM("Capture Boost", adau17x1_capture_boost_enum),
66 SOC_ENUM("Mic Bias Mode", adau17x1_mic_bias_mode_enum),
69 static int adau17x1_setup_firmware(struct snd_soc_component *component,
72 static int adau17x1_pll_event(struct snd_soc_dapm_widget *w,
73 struct snd_kcontrol *kcontrol, int event)
75 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
76 struct adau *adau = snd_soc_component_get_drvdata(component);
78 if (SND_SOC_DAPM_EVENT_ON(event)) {
79 adau->pll_regs[5] = 1;
81 adau->pll_regs[5] = 0;
82 /* Bypass the PLL when disabled, otherwise registers will become
84 regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
85 ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL, 0);
88 /* The PLL register is 6 bytes long and can only be written at once. */
89 regmap_raw_write(adau->regmap, ADAU17X1_PLL_CONTROL,
90 adau->pll_regs, ARRAY_SIZE(adau->pll_regs));
92 if (SND_SOC_DAPM_EVENT_ON(event)) {
94 regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
95 ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL,
96 ADAU17X1_CLOCK_CONTROL_CORECLK_SRC_PLL);
102 static int adau17x1_adc_fixup(struct snd_soc_dapm_widget *w,
103 struct snd_kcontrol *kcontrol, int event)
105 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
106 struct adau *adau = snd_soc_component_get_drvdata(component);
109 * If we are capturing, toggle the ADOSR bit in Converter Control 0 to
110 * avoid losing SNR (workaround from ADI). This must be done after
111 * the ADC(s) have been enabled. According to the data sheet, it is
112 * normally illegal to set this bit when the sampling rate is 96 kHz,
113 * but according to ADI it is acceptable for this workaround.
115 regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0,
116 ADAU17X1_CONVERTER0_ADOSR, ADAU17X1_CONVERTER0_ADOSR);
117 regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0,
118 ADAU17X1_CONVERTER0_ADOSR, 0);
123 static const char * const adau17x1_mono_stereo_text[] = {
125 "Mono Left Channel (L+R)",
126 "Mono Right Channel (L+R)",
130 static SOC_ENUM_SINGLE_DECL(adau17x1_dac_mode_enum,
131 ADAU17X1_DAC_CONTROL0, 6, adau17x1_mono_stereo_text);
133 static const struct snd_kcontrol_new adau17x1_dac_mode_mux =
134 SOC_DAPM_ENUM("DAC Mono-Stereo-Mode", adau17x1_dac_mode_enum);
136 static const struct snd_soc_dapm_widget adau17x1_dapm_widgets[] = {
137 SND_SOC_DAPM_SUPPLY_S("PLL", 3, SND_SOC_NOPM, 0, 0, adau17x1_pll_event,
138 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
140 SND_SOC_DAPM_SUPPLY("AIFCLK", SND_SOC_NOPM, 0, 0, NULL, 0),
142 SND_SOC_DAPM_SUPPLY("MICBIAS", ADAU17X1_MICBIAS, 0, 0, NULL, 0),
144 SND_SOC_DAPM_SUPPLY("Left Playback Enable", ADAU17X1_PLAY_POWER_MGMT,
146 SND_SOC_DAPM_SUPPLY("Right Playback Enable", ADAU17X1_PLAY_POWER_MGMT,
149 SND_SOC_DAPM_MUX("Left DAC Mode Mux", SND_SOC_NOPM, 0, 0,
150 &adau17x1_dac_mode_mux),
151 SND_SOC_DAPM_MUX("Right DAC Mode Mux", SND_SOC_NOPM, 0, 0,
152 &adau17x1_dac_mode_mux),
154 SND_SOC_DAPM_ADC_E("Left Decimator", NULL, ADAU17X1_ADC_CONTROL, 0, 0,
155 adau17x1_adc_fixup, SND_SOC_DAPM_POST_PMU),
156 SND_SOC_DAPM_ADC("Right Decimator", NULL, ADAU17X1_ADC_CONTROL, 1, 0),
157 SND_SOC_DAPM_DAC("Left DAC", NULL, ADAU17X1_DAC_CONTROL0, 0, 0),
158 SND_SOC_DAPM_DAC("Right DAC", NULL, ADAU17X1_DAC_CONTROL0, 1, 0),
161 static const struct snd_soc_dapm_route adau17x1_dapm_routes[] = {
162 { "Left Decimator", NULL, "SYSCLK" },
163 { "Right Decimator", NULL, "SYSCLK" },
164 { "Left DAC", NULL, "SYSCLK" },
165 { "Right DAC", NULL, "SYSCLK" },
166 { "Capture", NULL, "SYSCLK" },
167 { "Playback", NULL, "SYSCLK" },
169 { "Left DAC", NULL, "Left DAC Mode Mux" },
170 { "Right DAC", NULL, "Right DAC Mode Mux" },
172 { "Capture", NULL, "AIFCLK" },
173 { "Playback", NULL, "AIFCLK" },
176 static const struct snd_soc_dapm_route adau17x1_dapm_pll_route = {
177 "SYSCLK", NULL, "PLL",
181 * The MUX register for the Capture and Playback MUXs selects either DSP as
182 * source/destination or one of the TDM slots. The TDM slot is selected via
183 * snd_soc_dai_set_tdm_slot(), so we only expose whether to go to the DSP or
184 * directly to the DAI interface with this control.
186 static int adau17x1_dsp_mux_enum_put(struct snd_kcontrol *kcontrol,
187 struct snd_ctl_elem_value *ucontrol)
189 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
190 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
191 struct adau *adau = snd_soc_component_get_drvdata(component);
192 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
193 struct snd_soc_dapm_update update = {};
194 unsigned int stream = e->shift_l;
195 unsigned int val, change;
198 if (ucontrol->value.enumerated.item[0] >= e->items)
201 switch (ucontrol->value.enumerated.item[0]) {
204 adau->dsp_bypass[stream] = false;
207 val = (adau->tdm_slot[stream] * 2) + 1;
208 adau->dsp_bypass[stream] = true;
212 if (stream == SNDRV_PCM_STREAM_PLAYBACK)
213 reg = ADAU17X1_SERIAL_INPUT_ROUTE;
215 reg = ADAU17X1_SERIAL_OUTPUT_ROUTE;
217 change = snd_soc_component_test_bits(component, reg, 0xff, val);
219 update.kcontrol = kcontrol;
224 snd_soc_dapm_mux_update_power(dapm, kcontrol,
225 ucontrol->value.enumerated.item[0], e, &update);
231 static int adau17x1_dsp_mux_enum_get(struct snd_kcontrol *kcontrol,
232 struct snd_ctl_elem_value *ucontrol)
234 struct snd_soc_component *component = snd_soc_dapm_kcontrol_component(kcontrol);
235 struct adau *adau = snd_soc_component_get_drvdata(component);
236 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
237 unsigned int stream = e->shift_l;
238 unsigned int reg, val;
241 if (stream == SNDRV_PCM_STREAM_PLAYBACK)
242 reg = ADAU17X1_SERIAL_INPUT_ROUTE;
244 reg = ADAU17X1_SERIAL_OUTPUT_ROUTE;
246 ret = regmap_read(adau->regmap, reg, &val);
252 ucontrol->value.enumerated.item[0] = val;
257 #define DECLARE_ADAU17X1_DSP_MUX_CTRL(_name, _label, _stream, _text) \
258 const struct snd_kcontrol_new _name = \
259 SOC_DAPM_ENUM_EXT(_label, (const struct soc_enum)\
260 SOC_ENUM_SINGLE(SND_SOC_NOPM, _stream, \
261 ARRAY_SIZE(_text), _text), \
262 adau17x1_dsp_mux_enum_get, adau17x1_dsp_mux_enum_put)
264 static const char * const adau17x1_dac_mux_text[] = {
269 static const char * const adau17x1_capture_mux_text[] = {
274 static DECLARE_ADAU17X1_DSP_MUX_CTRL(adau17x1_dac_mux, "DAC Playback Mux",
275 SNDRV_PCM_STREAM_PLAYBACK, adau17x1_dac_mux_text);
277 static DECLARE_ADAU17X1_DSP_MUX_CTRL(adau17x1_capture_mux, "Capture Mux",
278 SNDRV_PCM_STREAM_CAPTURE, adau17x1_capture_mux_text);
280 static const struct snd_soc_dapm_widget adau17x1_dsp_dapm_widgets[] = {
281 SND_SOC_DAPM_PGA("DSP", ADAU17X1_DSP_RUN, 0, 0, NULL, 0),
282 SND_SOC_DAPM_SIGGEN("DSP Siggen"),
284 SND_SOC_DAPM_MUX("DAC Playback Mux", SND_SOC_NOPM, 0, 0,
286 SND_SOC_DAPM_MUX("Capture Mux", SND_SOC_NOPM, 0, 0,
287 &adau17x1_capture_mux),
290 static const struct snd_soc_dapm_route adau17x1_dsp_dapm_routes[] = {
291 { "DAC Playback Mux", "DSP", "DSP" },
292 { "DAC Playback Mux", "AIFIN", "Playback" },
294 { "Left DAC Mode Mux", "Stereo", "DAC Playback Mux" },
295 { "Left DAC Mode Mux", "Mono (L+R)", "DAC Playback Mux" },
296 { "Left DAC Mode Mux", "Mono Left Channel (L+R)", "DAC Playback Mux" },
297 { "Right DAC Mode Mux", "Stereo", "DAC Playback Mux" },
298 { "Right DAC Mode Mux", "Mono (L+R)", "DAC Playback Mux" },
299 { "Right DAC Mode Mux", "Mono Right Channel (L+R)", "DAC Playback Mux" },
301 { "Capture Mux", "DSP", "DSP" },
302 { "Capture Mux", "Decimator", "Left Decimator" },
303 { "Capture Mux", "Decimator", "Right Decimator" },
305 { "Capture", NULL, "Capture Mux" },
307 { "DSP", NULL, "DSP Siggen" },
309 { "DSP", NULL, "Left Decimator" },
310 { "DSP", NULL, "Right Decimator" },
311 { "DSP", NULL, "Playback" },
314 static const struct snd_soc_dapm_route adau17x1_no_dsp_dapm_routes[] = {
315 { "Left DAC Mode Mux", "Stereo", "Playback" },
316 { "Left DAC Mode Mux", "Mono (L+R)", "Playback" },
317 { "Left DAC Mode Mux", "Mono Left Channel (L+R)", "Playback" },
318 { "Right DAC Mode Mux", "Stereo", "Playback" },
319 { "Right DAC Mode Mux", "Mono (L+R)", "Playback" },
320 { "Right DAC Mode Mux", "Mono Right Channel (L+R)", "Playback" },
321 { "Capture", NULL, "Left Decimator" },
322 { "Capture", NULL, "Right Decimator" },
325 static bool adau17x1_has_dsp(struct adau *adau)
327 switch (adau->type) {
337 static bool adau17x1_has_safeload(struct adau *adau)
339 switch (adau->type) {
348 static int adau17x1_set_dai_pll(struct snd_soc_dai *dai, int pll_id,
349 int source, unsigned int freq_in, unsigned int freq_out)
351 struct snd_soc_component *component = dai->component;
352 struct adau *adau = snd_soc_component_get_drvdata(component);
355 if (freq_in < 8000000 || freq_in > 27000000)
358 ret = adau_calc_pll_cfg(freq_in, freq_out, adau->pll_regs);
362 /* The PLL register is 6 bytes long and can only be written at once. */
363 ret = regmap_raw_write(adau->regmap, ADAU17X1_PLL_CONTROL,
364 adau->pll_regs, ARRAY_SIZE(adau->pll_regs));
368 adau->pll_freq = freq_out;
373 static int adau17x1_set_dai_sysclk(struct snd_soc_dai *dai,
374 int clk_id, unsigned int freq, int dir)
376 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(dai->component);
377 struct adau *adau = snd_soc_component_get_drvdata(dai->component);
382 case ADAU17X1_CLK_SRC_MCLK:
385 case ADAU17X1_CLK_SRC_PLL_AUTO:
389 case ADAU17X1_CLK_SRC_PLL:
396 switch (adau->clk_src) {
397 case ADAU17X1_CLK_SRC_MCLK:
400 case ADAU17X1_CLK_SRC_PLL:
401 case ADAU17X1_CLK_SRC_PLL_AUTO:
410 if (is_pll != was_pll) {
412 snd_soc_dapm_add_routes(dapm,
413 &adau17x1_dapm_pll_route, 1);
415 snd_soc_dapm_del_routes(dapm,
416 &adau17x1_dapm_pll_route, 1);
420 adau->clk_src = clk_id;
425 static int adau17x1_auto_pll(struct snd_soc_dai *dai,
426 struct snd_pcm_hw_params *params)
428 struct adau *adau = snd_soc_dai_get_drvdata(dai);
429 unsigned int pll_rate;
431 switch (params_rate(params)) {
439 pll_rate = 48000 * 1024;
448 pll_rate = 44100 * 1024;
454 return adau17x1_set_dai_pll(dai, ADAU17X1_PLL, ADAU17X1_PLL_SRC_MCLK,
455 clk_get_rate(adau->mclk), pll_rate);
458 static int adau17x1_hw_params(struct snd_pcm_substream *substream,
459 struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
461 struct snd_soc_component *component = dai->component;
462 struct adau *adau = snd_soc_component_get_drvdata(component);
463 unsigned int val, div, dsp_div;
467 switch (adau->clk_src) {
468 case ADAU17X1_CLK_SRC_PLL_AUTO:
469 ret = adau17x1_auto_pll(dai, params);
473 case ADAU17X1_CLK_SRC_PLL:
474 freq = adau->pll_freq;
481 if (freq % params_rate(params) != 0)
484 switch (freq / params_rate(params)) {
489 case 6144: /* fs / 6 */
493 case 4096: /* fs / 4 */
497 case 3072: /* fs / 3 */
501 case 2048: /* fs / 2 */
505 case 1536: /* fs / 1.5 */
509 case 512: /* fs / 0.5 */
517 regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0,
518 ADAU17X1_CONVERTER0_CONVSR_MASK, div);
519 if (adau17x1_has_dsp(adau)) {
520 regmap_write(adau->regmap, ADAU17X1_SERIAL_SAMPLING_RATE, div);
521 regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, dsp_div);
524 if (adau->sigmadsp) {
525 ret = adau17x1_setup_firmware(component, params_rate(params));
530 if (adau->dai_fmt != SND_SOC_DAIFMT_RIGHT_J)
533 switch (params_width(params)) {
535 val = ADAU17X1_SERIAL_PORT1_DELAY16;
538 val = ADAU17X1_SERIAL_PORT1_DELAY8;
541 val = ADAU17X1_SERIAL_PORT1_DELAY0;
547 return regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT1,
548 ADAU17X1_SERIAL_PORT1_DELAY_MASK, val);
551 static int adau17x1_set_dai_fmt(struct snd_soc_dai *dai,
554 struct adau *adau = snd_soc_component_get_drvdata(dai->component);
555 unsigned int ctrl0, ctrl1;
558 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
559 case SND_SOC_DAIFMT_CBM_CFM:
560 ctrl0 = ADAU17X1_SERIAL_PORT0_MASTER;
563 case SND_SOC_DAIFMT_CBS_CFS:
565 adau->master = false;
571 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
572 case SND_SOC_DAIFMT_I2S:
574 ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY1;
576 case SND_SOC_DAIFMT_LEFT_J:
577 case SND_SOC_DAIFMT_RIGHT_J:
579 ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY0;
581 case SND_SOC_DAIFMT_DSP_A:
583 ctrl0 |= ADAU17X1_SERIAL_PORT0_PULSE_MODE;
584 ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY1;
586 case SND_SOC_DAIFMT_DSP_B:
588 ctrl0 |= ADAU17X1_SERIAL_PORT0_PULSE_MODE;
589 ctrl1 = ADAU17X1_SERIAL_PORT1_DELAY0;
595 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
596 case SND_SOC_DAIFMT_NB_NF:
598 case SND_SOC_DAIFMT_IB_NF:
599 ctrl0 |= ADAU17X1_SERIAL_PORT0_BCLK_POL;
601 case SND_SOC_DAIFMT_NB_IF:
602 lrclk_pol = !lrclk_pol;
604 case SND_SOC_DAIFMT_IB_IF:
605 ctrl0 |= ADAU17X1_SERIAL_PORT0_BCLK_POL;
606 lrclk_pol = !lrclk_pol;
613 ctrl0 |= ADAU17X1_SERIAL_PORT0_LRCLK_POL;
615 regmap_write(adau->regmap, ADAU17X1_SERIAL_PORT0, ctrl0);
616 regmap_write(adau->regmap, ADAU17X1_SERIAL_PORT1, ctrl1);
618 adau->dai_fmt = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
623 static int adau17x1_set_dai_tdm_slot(struct snd_soc_dai *dai,
624 unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
626 struct adau *adau = snd_soc_component_get_drvdata(dai->component);
627 unsigned int ser_ctrl0, ser_ctrl1;
628 unsigned int conv_ctrl0, conv_ctrl1;
640 ser_ctrl0 = ADAU17X1_SERIAL_PORT0_STEREO;
643 ser_ctrl0 = ADAU17X1_SERIAL_PORT0_TDM4;
646 if (adau->type == ADAU1361)
649 ser_ctrl0 = ADAU17X1_SERIAL_PORT0_TDM8;
655 switch (slot_width * slots) {
657 if (adau->type == ADAU1761)
660 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK32;
663 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK64;
666 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK48;
669 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK128;
672 if (adau->type == ADAU1361)
675 ser_ctrl1 = ADAU17X1_SERIAL_PORT1_BCLK256;
683 conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(1);
684 adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 0;
687 conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(2);
688 adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 1;
691 conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(3);
692 adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 2;
695 conv_ctrl1 = ADAU17X1_CONVERTER1_ADC_PAIR(4);
696 adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] = 3;
704 conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(1);
705 adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 0;
708 conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(2);
709 adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 1;
712 conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(3);
713 adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 2;
716 conv_ctrl0 = ADAU17X1_CONVERTER0_DAC_PAIR(4);
717 adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] = 3;
723 regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER0,
724 ADAU17X1_CONVERTER0_DAC_PAIR_MASK, conv_ctrl0);
725 regmap_update_bits(adau->regmap, ADAU17X1_CONVERTER1,
726 ADAU17X1_CONVERTER1_ADC_PAIR_MASK, conv_ctrl1);
727 regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT0,
728 ADAU17X1_SERIAL_PORT0_TDM_MASK, ser_ctrl0);
729 regmap_update_bits(adau->regmap, ADAU17X1_SERIAL_PORT1,
730 ADAU17X1_SERIAL_PORT1_BCLK_MASK, ser_ctrl1);
732 if (!adau17x1_has_dsp(adau))
735 if (adau->dsp_bypass[SNDRV_PCM_STREAM_PLAYBACK]) {
736 regmap_write(adau->regmap, ADAU17X1_SERIAL_INPUT_ROUTE,
737 (adau->tdm_slot[SNDRV_PCM_STREAM_PLAYBACK] * 2) + 1);
740 if (adau->dsp_bypass[SNDRV_PCM_STREAM_CAPTURE]) {
741 regmap_write(adau->regmap, ADAU17X1_SERIAL_OUTPUT_ROUTE,
742 (adau->tdm_slot[SNDRV_PCM_STREAM_CAPTURE] * 2) + 1);
748 static int adau17x1_startup(struct snd_pcm_substream *substream,
749 struct snd_soc_dai *dai)
751 struct adau *adau = snd_soc_component_get_drvdata(dai->component);
754 return sigmadsp_restrict_params(adau->sigmadsp, substream);
759 const struct snd_soc_dai_ops adau17x1_dai_ops = {
760 .hw_params = adau17x1_hw_params,
761 .set_sysclk = adau17x1_set_dai_sysclk,
762 .set_fmt = adau17x1_set_dai_fmt,
763 .set_pll = adau17x1_set_dai_pll,
764 .set_tdm_slot = adau17x1_set_dai_tdm_slot,
765 .startup = adau17x1_startup,
767 EXPORT_SYMBOL_GPL(adau17x1_dai_ops);
769 int adau17x1_set_micbias_voltage(struct snd_soc_component *component,
770 enum adau17x1_micbias_voltage micbias)
772 struct adau *adau = snd_soc_component_get_drvdata(component);
775 case ADAU17X1_MICBIAS_0_90_AVDD:
776 case ADAU17X1_MICBIAS_0_65_AVDD:
782 return regmap_write(adau->regmap, ADAU17X1_MICBIAS, micbias << 2);
784 EXPORT_SYMBOL_GPL(adau17x1_set_micbias_voltage);
786 bool adau17x1_precious_register(struct device *dev, unsigned int reg)
788 /* SigmaDSP parameter memory */
794 EXPORT_SYMBOL_GPL(adau17x1_precious_register);
796 bool adau17x1_readable_register(struct device *dev, unsigned int reg)
798 /* SigmaDSP parameter memory */
803 case ADAU17X1_CLOCK_CONTROL:
804 case ADAU17X1_PLL_CONTROL:
805 case ADAU17X1_REC_POWER_MGMT:
806 case ADAU17X1_MICBIAS:
807 case ADAU17X1_SERIAL_PORT0:
808 case ADAU17X1_SERIAL_PORT1:
809 case ADAU17X1_CONVERTER0:
810 case ADAU17X1_CONVERTER1:
811 case ADAU17X1_LEFT_INPUT_DIGITAL_VOL:
812 case ADAU17X1_RIGHT_INPUT_DIGITAL_VOL:
813 case ADAU17X1_ADC_CONTROL:
814 case ADAU17X1_PLAY_POWER_MGMT:
815 case ADAU17X1_DAC_CONTROL0:
816 case ADAU17X1_DAC_CONTROL1:
817 case ADAU17X1_DAC_CONTROL2:
818 case ADAU17X1_SERIAL_PORT_PAD:
819 case ADAU17X1_CONTROL_PORT_PAD0:
820 case ADAU17X1_CONTROL_PORT_PAD1:
821 case ADAU17X1_DSP_SAMPLING_RATE:
822 case ADAU17X1_SERIAL_INPUT_ROUTE:
823 case ADAU17X1_SERIAL_OUTPUT_ROUTE:
824 case ADAU17X1_DSP_ENABLE:
825 case ADAU17X1_DSP_RUN:
826 case ADAU17X1_SERIAL_SAMPLING_RATE:
833 EXPORT_SYMBOL_GPL(adau17x1_readable_register);
835 bool adau17x1_volatile_register(struct device *dev, unsigned int reg)
837 /* SigmaDSP parameter and program memory */
842 /* The PLL register is 6 bytes long */
843 case ADAU17X1_PLL_CONTROL:
844 case ADAU17X1_PLL_CONTROL + 1:
845 case ADAU17X1_PLL_CONTROL + 2:
846 case ADAU17X1_PLL_CONTROL + 3:
847 case ADAU17X1_PLL_CONTROL + 4:
848 case ADAU17X1_PLL_CONTROL + 5:
856 EXPORT_SYMBOL_GPL(adau17x1_volatile_register);
858 static int adau17x1_setup_firmware(struct snd_soc_component *component,
863 struct adau *adau = snd_soc_component_get_drvdata(component);
864 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
866 /* Check if sample rate is the same as before. If it is there is no
867 * point in performing the below steps as the call to
868 * sigmadsp_setup(...) will return directly when it finds the sample
869 * rate to be the same as before. By checking this we can prevent an
870 * audiable popping noise which occours when toggling DSP_RUN.
872 if (adau->sigmadsp->current_samplerate == rate)
875 snd_soc_dapm_mutex_lock(dapm);
877 ret = regmap_read(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, &dspsr);
881 ret = regmap_read(adau->regmap, ADAU17X1_DSP_RUN, &dsp_run);
885 regmap_write(adau->regmap, ADAU17X1_DSP_ENABLE, 1);
886 regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, 0xf);
887 regmap_write(adau->regmap, ADAU17X1_DSP_RUN, 0);
889 ret = sigmadsp_setup(adau->sigmadsp, rate);
891 regmap_write(adau->regmap, ADAU17X1_DSP_ENABLE, 0);
894 regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, dspsr);
895 regmap_write(adau->regmap, ADAU17X1_DSP_RUN, dsp_run);
898 snd_soc_dapm_mutex_unlock(dapm);
903 int adau17x1_add_widgets(struct snd_soc_component *component)
905 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
906 struct adau *adau = snd_soc_component_get_drvdata(component);
909 ret = snd_soc_add_component_controls(component, adau17x1_controls,
910 ARRAY_SIZE(adau17x1_controls));
913 ret = snd_soc_dapm_new_controls(dapm, adau17x1_dapm_widgets,
914 ARRAY_SIZE(adau17x1_dapm_widgets));
918 if (adau17x1_has_dsp(adau)) {
919 ret = snd_soc_dapm_new_controls(dapm, adau17x1_dsp_dapm_widgets,
920 ARRAY_SIZE(adau17x1_dsp_dapm_widgets));
927 ret = sigmadsp_attach(adau->sigmadsp, component);
929 dev_err(component->dev, "Failed to attach firmware: %d\n",
937 EXPORT_SYMBOL_GPL(adau17x1_add_widgets);
939 int adau17x1_add_routes(struct snd_soc_component *component)
941 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
942 struct adau *adau = snd_soc_component_get_drvdata(component);
945 ret = snd_soc_dapm_add_routes(dapm, adau17x1_dapm_routes,
946 ARRAY_SIZE(adau17x1_dapm_routes));
950 if (adau17x1_has_dsp(adau)) {
951 ret = snd_soc_dapm_add_routes(dapm, adau17x1_dsp_dapm_routes,
952 ARRAY_SIZE(adau17x1_dsp_dapm_routes));
954 ret = snd_soc_dapm_add_routes(dapm, adau17x1_no_dsp_dapm_routes,
955 ARRAY_SIZE(adau17x1_no_dsp_dapm_routes));
958 if (adau->clk_src != ADAU17X1_CLK_SRC_MCLK)
959 snd_soc_dapm_add_routes(dapm, &adau17x1_dapm_pll_route, 1);
963 EXPORT_SYMBOL_GPL(adau17x1_add_routes);
965 int adau17x1_resume(struct snd_soc_component *component)
967 struct adau *adau = snd_soc_component_get_drvdata(component);
969 if (adau->switch_mode)
970 adau->switch_mode(component->dev);
972 regcache_sync(adau->regmap);
976 EXPORT_SYMBOL_GPL(adau17x1_resume);
978 static int adau17x1_safeload(struct sigmadsp *sigmadsp, unsigned int addr,
979 const uint8_t bytes[], size_t len)
981 uint8_t buf[ADAU17X1_WORD_SIZE];
982 uint8_t data[ADAU17X1_SAFELOAD_DATA_SIZE];
983 unsigned int addr_offset;
984 unsigned int nbr_words;
987 /* write data to safeload addresses. Check if len is not a multiple of
988 * 4 bytes, if so we need to zero pad.
990 nbr_words = len / ADAU17X1_WORD_SIZE;
991 if ((len - nbr_words * ADAU17X1_WORD_SIZE) == 0) {
992 ret = regmap_raw_write(sigmadsp->control_data,
993 ADAU17X1_SAFELOAD_DATA, bytes, len);
996 memset(data, 0, ADAU17X1_SAFELOAD_DATA_SIZE);
997 memcpy(data, bytes, len);
998 ret = regmap_raw_write(sigmadsp->control_data,
999 ADAU17X1_SAFELOAD_DATA, data,
1000 nbr_words * ADAU17X1_WORD_SIZE);
1006 /* Write target address, target address is offset by 1 */
1007 addr_offset = addr - 1;
1008 put_unaligned_be32(addr_offset, buf);
1009 ret = regmap_raw_write(sigmadsp->control_data,
1010 ADAU17X1_SAFELOAD_TARGET_ADDRESS, buf, ADAU17X1_WORD_SIZE);
1014 /* write nbr of words to trigger address */
1015 put_unaligned_be32(nbr_words, buf);
1016 ret = regmap_raw_write(sigmadsp->control_data,
1017 ADAU17X1_SAFELOAD_TRIGGER, buf, ADAU17X1_WORD_SIZE);
1024 static const struct sigmadsp_ops adau17x1_sigmadsp_ops = {
1025 .safeload = adau17x1_safeload,
1028 int adau17x1_probe(struct device *dev, struct regmap *regmap,
1029 enum adau17x1_type type, void (*switch_mode)(struct device *dev),
1030 const char *firmware_name)
1036 return PTR_ERR(regmap);
1038 adau = devm_kzalloc(dev, sizeof(*adau), GFP_KERNEL);
1042 adau->mclk = devm_clk_get(dev, "mclk");
1043 if (IS_ERR(adau->mclk)) {
1044 if (PTR_ERR(adau->mclk) != -ENOENT)
1045 return PTR_ERR(adau->mclk);
1046 /* Clock is optional (for the driver) */
1048 } else if (adau->mclk) {
1049 adau->clk_src = ADAU17X1_CLK_SRC_PLL_AUTO;
1052 * Any valid PLL output rate will work at this point, use one
1053 * that is likely to be chosen later as well. The register will
1054 * be written when the PLL is powered up for the first time.
1056 ret = adau_calc_pll_cfg(clk_get_rate(adau->mclk), 48000 * 1024,
1061 ret = clk_prepare_enable(adau->mclk);
1066 adau->regmap = regmap;
1067 adau->switch_mode = switch_mode;
1070 dev_set_drvdata(dev, adau);
1072 if (firmware_name) {
1073 if (adau17x1_has_safeload(adau)) {
1074 adau->sigmadsp = devm_sigmadsp_init_regmap(dev, regmap,
1075 &adau17x1_sigmadsp_ops, firmware_name);
1077 adau->sigmadsp = devm_sigmadsp_init_regmap(dev, regmap,
1078 NULL, firmware_name);
1080 if (IS_ERR(adau->sigmadsp)) {
1081 dev_warn(dev, "Could not find firmware file: %ld\n",
1082 PTR_ERR(adau->sigmadsp));
1083 adau->sigmadsp = NULL;
1092 EXPORT_SYMBOL_GPL(adau17x1_probe);
1094 void adau17x1_remove(struct device *dev)
1096 struct adau *adau = dev_get_drvdata(dev);
1099 clk_disable_unprepare(adau->mclk);
1101 EXPORT_SYMBOL_GPL(adau17x1_remove);
1103 MODULE_DESCRIPTION("ASoC ADAU1X61/ADAU1X81 common code");
1105 MODULE_LICENSE("GPL");