2 * arizona.c - Wolfson Arizona class device shared support
4 * Copyright 2012 Wolfson Microelectronics plc
6 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
13 #include <linux/delay.h>
14 #include <linux/gcd.h>
15 #include <linux/module.h>
16 #include <linux/pm_runtime.h>
17 #include <sound/pcm.h>
18 #include <sound/pcm_params.h>
19 #include <sound/tlv.h>
21 #include <linux/mfd/arizona/core.h>
22 #include <linux/mfd/arizona/registers.h>
26 #define ARIZONA_AIF_BCLK_CTRL 0x00
27 #define ARIZONA_AIF_TX_PIN_CTRL 0x01
28 #define ARIZONA_AIF_RX_PIN_CTRL 0x02
29 #define ARIZONA_AIF_RATE_CTRL 0x03
30 #define ARIZONA_AIF_FORMAT 0x04
31 #define ARIZONA_AIF_TX_BCLK_RATE 0x05
32 #define ARIZONA_AIF_RX_BCLK_RATE 0x06
33 #define ARIZONA_AIF_FRAME_CTRL_1 0x07
34 #define ARIZONA_AIF_FRAME_CTRL_2 0x08
35 #define ARIZONA_AIF_FRAME_CTRL_3 0x09
36 #define ARIZONA_AIF_FRAME_CTRL_4 0x0A
37 #define ARIZONA_AIF_FRAME_CTRL_5 0x0B
38 #define ARIZONA_AIF_FRAME_CTRL_6 0x0C
39 #define ARIZONA_AIF_FRAME_CTRL_7 0x0D
40 #define ARIZONA_AIF_FRAME_CTRL_8 0x0E
41 #define ARIZONA_AIF_FRAME_CTRL_9 0x0F
42 #define ARIZONA_AIF_FRAME_CTRL_10 0x10
43 #define ARIZONA_AIF_FRAME_CTRL_11 0x11
44 #define ARIZONA_AIF_FRAME_CTRL_12 0x12
45 #define ARIZONA_AIF_FRAME_CTRL_13 0x13
46 #define ARIZONA_AIF_FRAME_CTRL_14 0x14
47 #define ARIZONA_AIF_FRAME_CTRL_15 0x15
48 #define ARIZONA_AIF_FRAME_CTRL_16 0x16
49 #define ARIZONA_AIF_FRAME_CTRL_17 0x17
50 #define ARIZONA_AIF_FRAME_CTRL_18 0x18
51 #define ARIZONA_AIF_TX_ENABLES 0x19
52 #define ARIZONA_AIF_RX_ENABLES 0x1A
53 #define ARIZONA_AIF_FORCE_WRITE 0x1B
55 #define ARIZONA_FLL_VCO_CORNER 141900000
56 #define ARIZONA_FLL_MAX_FREF 13500000
57 #define ARIZONA_FLL_MIN_FVCO 90000000
58 #define ARIZONA_FLL_MAX_FRATIO 16
59 #define ARIZONA_FLL_MAX_REFDIV 8
60 #define ARIZONA_FLL_MIN_OUTDIV 2
61 #define ARIZONA_FLL_MAX_OUTDIV 7
63 #define ARIZONA_FMT_DSP_MODE_A 0
64 #define ARIZONA_FMT_DSP_MODE_B 1
65 #define ARIZONA_FMT_I2S_MODE 2
66 #define ARIZONA_FMT_LEFT_JUSTIFIED_MODE 3
68 #define arizona_fll_err(_fll, fmt, ...) \
69 dev_err(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__)
70 #define arizona_fll_warn(_fll, fmt, ...) \
71 dev_warn(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__)
72 #define arizona_fll_dbg(_fll, fmt, ...) \
73 dev_dbg(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__)
75 #define arizona_aif_err(_dai, fmt, ...) \
76 dev_err(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__)
77 #define arizona_aif_warn(_dai, fmt, ...) \
78 dev_warn(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__)
79 #define arizona_aif_dbg(_dai, fmt, ...) \
80 dev_dbg(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__)
82 static int arizona_spk_ev(struct snd_soc_dapm_widget *w,
83 struct snd_kcontrol *kcontrol,
86 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
87 struct arizona *arizona = dev_get_drvdata(codec->dev->parent);
88 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
89 bool manual_ena = false;
92 switch (arizona->type) {
94 switch (arizona->rev) {
106 case SND_SOC_DAPM_PRE_PMU:
107 if (!priv->spk_ena && manual_ena) {
108 regmap_write_async(arizona->regmap, 0x4f5, 0x25a);
109 priv->spk_ena_pending = true;
112 case SND_SOC_DAPM_POST_PMU:
113 val = snd_soc_read(codec, ARIZONA_INTERRUPT_RAW_STATUS_3);
114 if (val & ARIZONA_SPK_OVERHEAT_STS) {
115 dev_crit(arizona->dev,
116 "Speaker not enabled due to temperature\n");
120 regmap_update_bits_async(arizona->regmap,
121 ARIZONA_OUTPUT_ENABLES_1,
122 1 << w->shift, 1 << w->shift);
124 if (priv->spk_ena_pending) {
126 regmap_write_async(arizona->regmap, 0x4f5, 0xda);
127 priv->spk_ena_pending = false;
131 case SND_SOC_DAPM_PRE_PMD:
135 regmap_write_async(arizona->regmap,
139 regmap_update_bits_async(arizona->regmap,
140 ARIZONA_OUTPUT_ENABLES_1,
143 case SND_SOC_DAPM_POST_PMD:
146 regmap_write_async(arizona->regmap,
157 static irqreturn_t arizona_thermal_warn(int irq, void *data)
159 struct arizona *arizona = data;
163 ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_3,
166 dev_err(arizona->dev, "Failed to read thermal status: %d\n",
168 } else if (val & ARIZONA_SPK_OVERHEAT_WARN_STS) {
169 dev_crit(arizona->dev, "Thermal warning\n");
175 static irqreturn_t arizona_thermal_shutdown(int irq, void *data)
177 struct arizona *arizona = data;
181 ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_3,
184 dev_err(arizona->dev, "Failed to read thermal status: %d\n",
186 } else if (val & ARIZONA_SPK_OVERHEAT_STS) {
187 dev_crit(arizona->dev, "Thermal shutdown\n");
188 ret = regmap_update_bits(arizona->regmap,
189 ARIZONA_OUTPUT_ENABLES_1,
191 ARIZONA_OUT4R_ENA, 0);
193 dev_crit(arizona->dev,
194 "Failed to disable speaker outputs: %d\n",
201 static const struct snd_soc_dapm_widget arizona_spkl =
202 SND_SOC_DAPM_PGA_E("OUT4L", SND_SOC_NOPM,
203 ARIZONA_OUT4L_ENA_SHIFT, 0, NULL, 0, arizona_spk_ev,
204 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU);
206 static const struct snd_soc_dapm_widget arizona_spkr =
207 SND_SOC_DAPM_PGA_E("OUT4R", SND_SOC_NOPM,
208 ARIZONA_OUT4R_ENA_SHIFT, 0, NULL, 0, arizona_spk_ev,
209 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU);
211 int arizona_init_spk(struct snd_soc_codec *codec)
213 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
214 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
215 struct arizona *arizona = priv->arizona;
218 ret = snd_soc_dapm_new_controls(dapm, &arizona_spkl, 1);
222 switch (arizona->type) {
226 ret = snd_soc_dapm_new_controls(dapm, &arizona_spkr, 1);
232 ret = arizona_request_irq(arizona, ARIZONA_IRQ_SPK_OVERHEAT_WARN,
233 "Thermal warning", arizona_thermal_warn,
236 dev_err(arizona->dev,
237 "Failed to get thermal warning IRQ: %d\n",
240 ret = arizona_request_irq(arizona, ARIZONA_IRQ_SPK_OVERHEAT,
241 "Thermal shutdown", arizona_thermal_shutdown,
244 dev_err(arizona->dev,
245 "Failed to get thermal shutdown IRQ: %d\n",
250 EXPORT_SYMBOL_GPL(arizona_init_spk);
252 static const struct snd_soc_dapm_route arizona_mono_routes[] = {
253 { "OUT1R", NULL, "OUT1L" },
254 { "OUT2R", NULL, "OUT2L" },
255 { "OUT3R", NULL, "OUT3L" },
256 { "OUT4R", NULL, "OUT4L" },
257 { "OUT5R", NULL, "OUT5L" },
258 { "OUT6R", NULL, "OUT6L" },
261 int arizona_init_mono(struct snd_soc_codec *codec)
263 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
264 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
265 struct arizona *arizona = priv->arizona;
268 for (i = 0; i < ARIZONA_MAX_OUTPUT; ++i) {
269 if (arizona->pdata.out_mono[i])
270 snd_soc_dapm_add_routes(dapm,
271 &arizona_mono_routes[i], 1);
276 EXPORT_SYMBOL_GPL(arizona_init_mono);
278 int arizona_init_gpio(struct snd_soc_codec *codec)
280 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
281 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
282 struct arizona *arizona = priv->arizona;
285 switch (arizona->type) {
288 snd_soc_dapm_disable_pin(dapm, "DRC2 Signal Activity");
294 snd_soc_dapm_disable_pin(dapm, "DRC1 Signal Activity");
296 for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) {
297 switch (arizona->pdata.gpio_defaults[i] & ARIZONA_GPN_FN_MASK) {
298 case ARIZONA_GP_FN_DRC1_SIGNAL_DETECT:
299 snd_soc_dapm_enable_pin(dapm, "DRC1 Signal Activity");
301 case ARIZONA_GP_FN_DRC2_SIGNAL_DETECT:
302 snd_soc_dapm_enable_pin(dapm, "DRC2 Signal Activity");
311 EXPORT_SYMBOL_GPL(arizona_init_gpio);
313 const char *arizona_mixer_texts[ARIZONA_NUM_MIXER_INPUTS] = {
419 EXPORT_SYMBOL_GPL(arizona_mixer_texts);
421 int arizona_mixer_values[ARIZONA_NUM_MIXER_INPUTS] = {
428 0x0c, /* Noise mixer */
429 0x0d, /* Comfort noise */
502 0xa0, /* ISRC1INT1 */
506 0xa4, /* ISRC1DEC1 */
510 0xa8, /* ISRC2DEC1 */
514 0xac, /* ISRC2INT1 */
518 0xb0, /* ISRC3DEC1 */
522 0xb4, /* ISRC3INT1 */
527 EXPORT_SYMBOL_GPL(arizona_mixer_values);
529 const DECLARE_TLV_DB_SCALE(arizona_mixer_tlv, -3200, 100, 0);
530 EXPORT_SYMBOL_GPL(arizona_mixer_tlv);
532 const char * const arizona_sample_rate_text[ARIZONA_SAMPLE_RATE_ENUM_SIZE] = {
533 "12kHz", "24kHz", "48kHz", "96kHz", "192kHz",
534 "11.025kHz", "22.05kHz", "44.1kHz", "88.2kHz", "176.4kHz",
535 "4kHz", "8kHz", "16kHz", "32kHz",
537 EXPORT_SYMBOL_GPL(arizona_sample_rate_text);
539 const unsigned int arizona_sample_rate_val[ARIZONA_SAMPLE_RATE_ENUM_SIZE] = {
540 0x01, 0x02, 0x03, 0x04, 0x05, 0x09, 0x0A, 0x0B, 0x0C, 0x0D,
541 0x10, 0x11, 0x12, 0x13,
543 EXPORT_SYMBOL_GPL(arizona_sample_rate_val);
545 const char *arizona_sample_rate_val_to_name(unsigned int rate_val)
549 for (i = 0; i < ARRAY_SIZE(arizona_sample_rate_val); ++i) {
550 if (arizona_sample_rate_val[i] == rate_val)
551 return arizona_sample_rate_text[i];
556 EXPORT_SYMBOL_GPL(arizona_sample_rate_val_to_name);
558 const char *arizona_rate_text[ARIZONA_RATE_ENUM_SIZE] = {
559 "SYNCCLK rate", "8kHz", "16kHz", "ASYNCCLK rate",
561 EXPORT_SYMBOL_GPL(arizona_rate_text);
563 const int arizona_rate_val[ARIZONA_RATE_ENUM_SIZE] = {
566 EXPORT_SYMBOL_GPL(arizona_rate_val);
569 const struct soc_enum arizona_isrc_fsh[] = {
570 SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_1_CTRL_1,
571 ARIZONA_ISRC1_FSH_SHIFT, 0xf,
572 ARIZONA_RATE_ENUM_SIZE,
573 arizona_rate_text, arizona_rate_val),
574 SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_2_CTRL_1,
575 ARIZONA_ISRC2_FSH_SHIFT, 0xf,
576 ARIZONA_RATE_ENUM_SIZE,
577 arizona_rate_text, arizona_rate_val),
578 SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_3_CTRL_1,
579 ARIZONA_ISRC3_FSH_SHIFT, 0xf,
580 ARIZONA_RATE_ENUM_SIZE,
581 arizona_rate_text, arizona_rate_val),
583 EXPORT_SYMBOL_GPL(arizona_isrc_fsh);
585 const struct soc_enum arizona_isrc_fsl[] = {
586 SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_1_CTRL_2,
587 ARIZONA_ISRC1_FSL_SHIFT, 0xf,
588 ARIZONA_RATE_ENUM_SIZE,
589 arizona_rate_text, arizona_rate_val),
590 SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_2_CTRL_2,
591 ARIZONA_ISRC2_FSL_SHIFT, 0xf,
592 ARIZONA_RATE_ENUM_SIZE,
593 arizona_rate_text, arizona_rate_val),
594 SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_3_CTRL_2,
595 ARIZONA_ISRC3_FSL_SHIFT, 0xf,
596 ARIZONA_RATE_ENUM_SIZE,
597 arizona_rate_text, arizona_rate_val),
599 EXPORT_SYMBOL_GPL(arizona_isrc_fsl);
601 const struct soc_enum arizona_asrc_rate1 =
602 SOC_VALUE_ENUM_SINGLE(ARIZONA_ASRC_RATE1,
603 ARIZONA_ASRC_RATE1_SHIFT, 0xf,
604 ARIZONA_RATE_ENUM_SIZE - 1,
605 arizona_rate_text, arizona_rate_val);
606 EXPORT_SYMBOL_GPL(arizona_asrc_rate1);
608 static const char *arizona_vol_ramp_text[] = {
609 "0ms/6dB", "0.5ms/6dB", "1ms/6dB", "2ms/6dB", "4ms/6dB", "8ms/6dB",
610 "15ms/6dB", "30ms/6dB",
613 SOC_ENUM_SINGLE_DECL(arizona_in_vd_ramp,
614 ARIZONA_INPUT_VOLUME_RAMP,
615 ARIZONA_IN_VD_RAMP_SHIFT,
616 arizona_vol_ramp_text);
617 EXPORT_SYMBOL_GPL(arizona_in_vd_ramp);
619 SOC_ENUM_SINGLE_DECL(arizona_in_vi_ramp,
620 ARIZONA_INPUT_VOLUME_RAMP,
621 ARIZONA_IN_VI_RAMP_SHIFT,
622 arizona_vol_ramp_text);
623 EXPORT_SYMBOL_GPL(arizona_in_vi_ramp);
625 SOC_ENUM_SINGLE_DECL(arizona_out_vd_ramp,
626 ARIZONA_OUTPUT_VOLUME_RAMP,
627 ARIZONA_OUT_VD_RAMP_SHIFT,
628 arizona_vol_ramp_text);
629 EXPORT_SYMBOL_GPL(arizona_out_vd_ramp);
631 SOC_ENUM_SINGLE_DECL(arizona_out_vi_ramp,
632 ARIZONA_OUTPUT_VOLUME_RAMP,
633 ARIZONA_OUT_VI_RAMP_SHIFT,
634 arizona_vol_ramp_text);
635 EXPORT_SYMBOL_GPL(arizona_out_vi_ramp);
637 static const char *arizona_lhpf_mode_text[] = {
638 "Low-pass", "High-pass"
641 SOC_ENUM_SINGLE_DECL(arizona_lhpf1_mode,
643 ARIZONA_LHPF1_MODE_SHIFT,
644 arizona_lhpf_mode_text);
645 EXPORT_SYMBOL_GPL(arizona_lhpf1_mode);
647 SOC_ENUM_SINGLE_DECL(arizona_lhpf2_mode,
649 ARIZONA_LHPF2_MODE_SHIFT,
650 arizona_lhpf_mode_text);
651 EXPORT_SYMBOL_GPL(arizona_lhpf2_mode);
653 SOC_ENUM_SINGLE_DECL(arizona_lhpf3_mode,
655 ARIZONA_LHPF3_MODE_SHIFT,
656 arizona_lhpf_mode_text);
657 EXPORT_SYMBOL_GPL(arizona_lhpf3_mode);
659 SOC_ENUM_SINGLE_DECL(arizona_lhpf4_mode,
661 ARIZONA_LHPF4_MODE_SHIFT,
662 arizona_lhpf_mode_text);
663 EXPORT_SYMBOL_GPL(arizona_lhpf4_mode);
665 static const char *arizona_ng_hold_text[] = {
666 "30ms", "120ms", "250ms", "500ms",
669 SOC_ENUM_SINGLE_DECL(arizona_ng_hold,
670 ARIZONA_NOISE_GATE_CONTROL,
671 ARIZONA_NGATE_HOLD_SHIFT,
672 arizona_ng_hold_text);
673 EXPORT_SYMBOL_GPL(arizona_ng_hold);
675 static const char * const arizona_in_hpf_cut_text[] = {
676 "2.5Hz", "5Hz", "10Hz", "20Hz", "40Hz"
679 SOC_ENUM_SINGLE_DECL(arizona_in_hpf_cut_enum,
681 ARIZONA_IN_HPF_CUT_SHIFT,
682 arizona_in_hpf_cut_text);
683 EXPORT_SYMBOL_GPL(arizona_in_hpf_cut_enum);
685 static const char * const arizona_in_dmic_osr_text[] = {
686 "1.536MHz", "3.072MHz", "6.144MHz", "768kHz",
689 const struct soc_enum arizona_in_dmic_osr[] = {
690 SOC_ENUM_SINGLE(ARIZONA_IN1L_CONTROL, ARIZONA_IN1_OSR_SHIFT,
691 ARRAY_SIZE(arizona_in_dmic_osr_text),
692 arizona_in_dmic_osr_text),
693 SOC_ENUM_SINGLE(ARIZONA_IN2L_CONTROL, ARIZONA_IN2_OSR_SHIFT,
694 ARRAY_SIZE(arizona_in_dmic_osr_text),
695 arizona_in_dmic_osr_text),
696 SOC_ENUM_SINGLE(ARIZONA_IN3L_CONTROL, ARIZONA_IN3_OSR_SHIFT,
697 ARRAY_SIZE(arizona_in_dmic_osr_text),
698 arizona_in_dmic_osr_text),
699 SOC_ENUM_SINGLE(ARIZONA_IN4L_CONTROL, ARIZONA_IN4_OSR_SHIFT,
700 ARRAY_SIZE(arizona_in_dmic_osr_text),
701 arizona_in_dmic_osr_text),
703 EXPORT_SYMBOL_GPL(arizona_in_dmic_osr);
705 static void arizona_in_set_vu(struct snd_soc_codec *codec, int ena)
707 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
716 for (i = 0; i < priv->num_inputs; i++)
717 snd_soc_update_bits(codec,
718 ARIZONA_ADC_DIGITAL_VOLUME_1L + (i * 4),
722 bool arizona_input_analog(struct snd_soc_codec *codec, int shift)
724 unsigned int reg = ARIZONA_IN1L_CONTROL + ((shift / 2) * 8);
725 unsigned int val = snd_soc_read(codec, reg);
727 return !(val & ARIZONA_IN1_MODE_MASK);
729 EXPORT_SYMBOL_GPL(arizona_input_analog);
731 int arizona_in_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol,
734 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
735 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
739 reg = ARIZONA_ADC_DIGITAL_VOLUME_1L + ((w->shift / 2) * 8);
741 reg = ARIZONA_ADC_DIGITAL_VOLUME_1R + ((w->shift / 2) * 8);
744 case SND_SOC_DAPM_PRE_PMU:
747 case SND_SOC_DAPM_POST_PMU:
748 snd_soc_update_bits(codec, reg, ARIZONA_IN1L_MUTE, 0);
750 /* If this is the last input pending then allow VU */
752 if (priv->in_pending == 0) {
754 arizona_in_set_vu(codec, 1);
757 case SND_SOC_DAPM_PRE_PMD:
758 snd_soc_update_bits(codec, reg,
759 ARIZONA_IN1L_MUTE | ARIZONA_IN_VU,
760 ARIZONA_IN1L_MUTE | ARIZONA_IN_VU);
762 case SND_SOC_DAPM_POST_PMD:
763 /* Disable volume updates if no inputs are enabled */
764 reg = snd_soc_read(codec, ARIZONA_INPUT_ENABLES);
766 arizona_in_set_vu(codec, 0);
774 EXPORT_SYMBOL_GPL(arizona_in_ev);
776 int arizona_out_ev(struct snd_soc_dapm_widget *w,
777 struct snd_kcontrol *kcontrol,
780 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
781 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
784 case SND_SOC_DAPM_PRE_PMU:
786 case ARIZONA_OUT1L_ENA_SHIFT:
787 case ARIZONA_OUT1R_ENA_SHIFT:
788 case ARIZONA_OUT2L_ENA_SHIFT:
789 case ARIZONA_OUT2R_ENA_SHIFT:
790 case ARIZONA_OUT3L_ENA_SHIFT:
791 case ARIZONA_OUT3R_ENA_SHIFT:
792 priv->out_up_pending++;
793 priv->out_up_delay += 17;
799 case SND_SOC_DAPM_POST_PMU:
801 case ARIZONA_OUT1L_ENA_SHIFT:
802 case ARIZONA_OUT1R_ENA_SHIFT:
803 case ARIZONA_OUT2L_ENA_SHIFT:
804 case ARIZONA_OUT2R_ENA_SHIFT:
805 case ARIZONA_OUT3L_ENA_SHIFT:
806 case ARIZONA_OUT3R_ENA_SHIFT:
807 priv->out_up_pending--;
808 if (!priv->out_up_pending) {
809 msleep(priv->out_up_delay);
810 priv->out_up_delay = 0;
818 case SND_SOC_DAPM_PRE_PMD:
820 case ARIZONA_OUT1L_ENA_SHIFT:
821 case ARIZONA_OUT1R_ENA_SHIFT:
822 case ARIZONA_OUT2L_ENA_SHIFT:
823 case ARIZONA_OUT2R_ENA_SHIFT:
824 case ARIZONA_OUT3L_ENA_SHIFT:
825 case ARIZONA_OUT3R_ENA_SHIFT:
826 priv->out_down_pending++;
827 priv->out_down_delay++;
833 case SND_SOC_DAPM_POST_PMD:
835 case ARIZONA_OUT1L_ENA_SHIFT:
836 case ARIZONA_OUT1R_ENA_SHIFT:
837 case ARIZONA_OUT2L_ENA_SHIFT:
838 case ARIZONA_OUT2R_ENA_SHIFT:
839 case ARIZONA_OUT3L_ENA_SHIFT:
840 case ARIZONA_OUT3R_ENA_SHIFT:
841 priv->out_down_pending--;
842 if (!priv->out_down_pending) {
843 msleep(priv->out_down_delay);
844 priv->out_down_delay = 0;
857 EXPORT_SYMBOL_GPL(arizona_out_ev);
859 int arizona_hp_ev(struct snd_soc_dapm_widget *w,
860 struct snd_kcontrol *kcontrol,
863 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
864 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
865 struct arizona *arizona = priv->arizona;
866 unsigned int mask = 1 << w->shift;
870 case SND_SOC_DAPM_POST_PMU:
873 case SND_SOC_DAPM_PRE_PMD:
876 case SND_SOC_DAPM_PRE_PMU:
877 case SND_SOC_DAPM_POST_PMD:
878 return arizona_out_ev(w, kcontrol, event);
883 /* Store the desired state for the HP outputs */
884 priv->arizona->hp_ena &= ~mask;
885 priv->arizona->hp_ena |= val;
887 /* Force off if HPDET clamp is active */
888 if (priv->arizona->hpdet_clamp)
891 regmap_update_bits_async(arizona->regmap, ARIZONA_OUTPUT_ENABLES_1,
894 return arizona_out_ev(w, kcontrol, event);
896 EXPORT_SYMBOL_GPL(arizona_hp_ev);
898 static int arizona_dvfs_enable(struct snd_soc_codec *codec)
900 const struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
901 struct arizona *arizona = priv->arizona;
904 ret = regulator_set_voltage(arizona->dcvdd, 1800000, 1800000);
906 dev_err(codec->dev, "Failed to boost DCVDD: %d\n", ret);
910 ret = regmap_update_bits(arizona->regmap,
911 ARIZONA_DYNAMIC_FREQUENCY_SCALING_1,
912 ARIZONA_SUBSYS_MAX_FREQ,
913 ARIZONA_SUBSYS_MAX_FREQ);
915 dev_err(codec->dev, "Failed to enable subsys max: %d\n", ret);
916 regulator_set_voltage(arizona->dcvdd, 1200000, 1800000);
923 static int arizona_dvfs_disable(struct snd_soc_codec *codec)
925 const struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
926 struct arizona *arizona = priv->arizona;
929 ret = regmap_update_bits(arizona->regmap,
930 ARIZONA_DYNAMIC_FREQUENCY_SCALING_1,
931 ARIZONA_SUBSYS_MAX_FREQ, 0);
933 dev_err(codec->dev, "Failed to disable subsys max: %d\n", ret);
937 ret = regulator_set_voltage(arizona->dcvdd, 1200000, 1800000);
939 dev_err(codec->dev, "Failed to unboost DCVDD: %d\n", ret);
946 int arizona_dvfs_up(struct snd_soc_codec *codec, unsigned int flags)
948 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
951 mutex_lock(&priv->dvfs_lock);
953 if (!priv->dvfs_cached && !priv->dvfs_reqs) {
954 ret = arizona_dvfs_enable(codec);
959 priv->dvfs_reqs |= flags;
961 mutex_unlock(&priv->dvfs_lock);
964 EXPORT_SYMBOL_GPL(arizona_dvfs_up);
966 int arizona_dvfs_down(struct snd_soc_codec *codec, unsigned int flags)
968 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
969 unsigned int old_reqs;
972 mutex_lock(&priv->dvfs_lock);
974 old_reqs = priv->dvfs_reqs;
975 priv->dvfs_reqs &= ~flags;
977 if (!priv->dvfs_cached && old_reqs && !priv->dvfs_reqs)
978 ret = arizona_dvfs_disable(codec);
980 mutex_unlock(&priv->dvfs_lock);
983 EXPORT_SYMBOL_GPL(arizona_dvfs_down);
985 int arizona_dvfs_sysclk_ev(struct snd_soc_dapm_widget *w,
986 struct snd_kcontrol *kcontrol, int event)
988 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
989 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
992 mutex_lock(&priv->dvfs_lock);
995 case SND_SOC_DAPM_POST_PMU:
997 ret = arizona_dvfs_enable(codec);
999 priv->dvfs_cached = false;
1001 case SND_SOC_DAPM_PRE_PMD:
1002 /* We must ensure DVFS is disabled before the codec goes into
1003 * suspend so that we are never in an illegal state of DVFS
1004 * enabled without enough DCVDD
1006 priv->dvfs_cached = true;
1008 if (priv->dvfs_reqs)
1009 ret = arizona_dvfs_disable(codec);
1015 mutex_unlock(&priv->dvfs_lock);
1018 EXPORT_SYMBOL_GPL(arizona_dvfs_sysclk_ev);
1020 void arizona_init_dvfs(struct arizona_priv *priv)
1022 mutex_init(&priv->dvfs_lock);
1024 EXPORT_SYMBOL_GPL(arizona_init_dvfs);
1026 static unsigned int arizona_opclk_ref_48k_rates[] = {
1033 static unsigned int arizona_opclk_ref_44k1_rates[] = {
1040 static int arizona_set_opclk(struct snd_soc_codec *codec, unsigned int clk,
1043 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1045 unsigned int *rates;
1046 int ref, div, refclk;
1049 case ARIZONA_CLK_OPCLK:
1050 reg = ARIZONA_OUTPUT_SYSTEM_CLOCK;
1051 refclk = priv->sysclk;
1053 case ARIZONA_CLK_ASYNC_OPCLK:
1054 reg = ARIZONA_OUTPUT_ASYNC_CLOCK;
1055 refclk = priv->asyncclk;
1062 rates = arizona_opclk_ref_44k1_rates;
1064 rates = arizona_opclk_ref_48k_rates;
1066 for (ref = 0; ref < ARRAY_SIZE(arizona_opclk_ref_48k_rates) &&
1067 rates[ref] <= refclk; ref++) {
1069 while (rates[ref] / div >= freq && div < 32) {
1070 if (rates[ref] / div == freq) {
1071 dev_dbg(codec->dev, "Configured %dHz OPCLK\n",
1073 snd_soc_update_bits(codec, reg,
1074 ARIZONA_OPCLK_DIV_MASK |
1075 ARIZONA_OPCLK_SEL_MASK,
1077 ARIZONA_OPCLK_DIV_SHIFT) |
1085 dev_err(codec->dev, "Unable to generate %dHz OPCLK\n", freq);
1089 int arizona_set_sysclk(struct snd_soc_codec *codec, int clk_id,
1090 int source, unsigned int freq, int dir)
1092 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1093 struct arizona *arizona = priv->arizona;
1096 unsigned int mask = ARIZONA_SYSCLK_FREQ_MASK | ARIZONA_SYSCLK_SRC_MASK;
1097 unsigned int val = source << ARIZONA_SYSCLK_SRC_SHIFT;
1101 case ARIZONA_CLK_SYSCLK:
1103 reg = ARIZONA_SYSTEM_CLOCK_1;
1104 clk = &priv->sysclk;
1105 mask |= ARIZONA_SYSCLK_FRAC;
1107 case ARIZONA_CLK_ASYNCCLK:
1109 reg = ARIZONA_ASYNC_CLOCK_1;
1110 clk = &priv->asyncclk;
1112 case ARIZONA_CLK_OPCLK:
1113 case ARIZONA_CLK_ASYNC_OPCLK:
1114 return arizona_set_opclk(codec, clk_id, freq);
1125 val |= ARIZONA_CLK_12MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
1129 val |= ARIZONA_CLK_24MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
1133 val |= ARIZONA_CLK_49MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
1137 val |= ARIZONA_CLK_73MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
1141 val |= ARIZONA_CLK_98MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
1145 val |= ARIZONA_CLK_147MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
1148 dev_dbg(arizona->dev, "%s cleared\n", name);
1158 val |= ARIZONA_SYSCLK_FRAC;
1160 dev_dbg(arizona->dev, "%s set to %uHz", name, freq);
1162 return regmap_update_bits(arizona->regmap, reg, mask, val);
1164 EXPORT_SYMBOL_GPL(arizona_set_sysclk);
1166 static int arizona_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1168 struct snd_soc_codec *codec = dai->codec;
1169 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1170 struct arizona *arizona = priv->arizona;
1171 int lrclk, bclk, mode, base;
1173 base = dai->driver->base;
1178 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1179 case SND_SOC_DAIFMT_DSP_A:
1180 mode = ARIZONA_FMT_DSP_MODE_A;
1182 case SND_SOC_DAIFMT_DSP_B:
1183 if ((fmt & SND_SOC_DAIFMT_MASTER_MASK)
1184 != SND_SOC_DAIFMT_CBM_CFM) {
1185 arizona_aif_err(dai, "DSP_B not valid in slave mode\n");
1188 mode = ARIZONA_FMT_DSP_MODE_B;
1190 case SND_SOC_DAIFMT_I2S:
1191 mode = ARIZONA_FMT_I2S_MODE;
1193 case SND_SOC_DAIFMT_LEFT_J:
1194 if ((fmt & SND_SOC_DAIFMT_MASTER_MASK)
1195 != SND_SOC_DAIFMT_CBM_CFM) {
1196 arizona_aif_err(dai, "LEFT_J not valid in slave mode\n");
1199 mode = ARIZONA_FMT_LEFT_JUSTIFIED_MODE;
1202 arizona_aif_err(dai, "Unsupported DAI format %d\n",
1203 fmt & SND_SOC_DAIFMT_FORMAT_MASK);
1207 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1208 case SND_SOC_DAIFMT_CBS_CFS:
1210 case SND_SOC_DAIFMT_CBS_CFM:
1211 lrclk |= ARIZONA_AIF1TX_LRCLK_MSTR;
1213 case SND_SOC_DAIFMT_CBM_CFS:
1214 bclk |= ARIZONA_AIF1_BCLK_MSTR;
1216 case SND_SOC_DAIFMT_CBM_CFM:
1217 bclk |= ARIZONA_AIF1_BCLK_MSTR;
1218 lrclk |= ARIZONA_AIF1TX_LRCLK_MSTR;
1221 arizona_aif_err(dai, "Unsupported master mode %d\n",
1222 fmt & SND_SOC_DAIFMT_MASTER_MASK);
1226 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1227 case SND_SOC_DAIFMT_NB_NF:
1229 case SND_SOC_DAIFMT_IB_IF:
1230 bclk |= ARIZONA_AIF1_BCLK_INV;
1231 lrclk |= ARIZONA_AIF1TX_LRCLK_INV;
1233 case SND_SOC_DAIFMT_IB_NF:
1234 bclk |= ARIZONA_AIF1_BCLK_INV;
1236 case SND_SOC_DAIFMT_NB_IF:
1237 lrclk |= ARIZONA_AIF1TX_LRCLK_INV;
1243 regmap_update_bits_async(arizona->regmap, base + ARIZONA_AIF_BCLK_CTRL,
1244 ARIZONA_AIF1_BCLK_INV |
1245 ARIZONA_AIF1_BCLK_MSTR,
1247 regmap_update_bits_async(arizona->regmap, base + ARIZONA_AIF_TX_PIN_CTRL,
1248 ARIZONA_AIF1TX_LRCLK_INV |
1249 ARIZONA_AIF1TX_LRCLK_MSTR, lrclk);
1250 regmap_update_bits_async(arizona->regmap,
1251 base + ARIZONA_AIF_RX_PIN_CTRL,
1252 ARIZONA_AIF1RX_LRCLK_INV |
1253 ARIZONA_AIF1RX_LRCLK_MSTR, lrclk);
1254 regmap_update_bits(arizona->regmap, base + ARIZONA_AIF_FORMAT,
1255 ARIZONA_AIF1_FMT_MASK, mode);
1260 static const int arizona_48k_bclk_rates[] = {
1282 static const unsigned int arizona_48k_rates[] = {
1300 static const struct snd_pcm_hw_constraint_list arizona_48k_constraint = {
1301 .count = ARRAY_SIZE(arizona_48k_rates),
1302 .list = arizona_48k_rates,
1305 static const int arizona_44k1_bclk_rates[] = {
1327 static const unsigned int arizona_44k1_rates[] = {
1337 static const struct snd_pcm_hw_constraint_list arizona_44k1_constraint = {
1338 .count = ARRAY_SIZE(arizona_44k1_rates),
1339 .list = arizona_44k1_rates,
1342 static int arizona_sr_vals[] = {
1369 static int arizona_startup(struct snd_pcm_substream *substream,
1370 struct snd_soc_dai *dai)
1372 struct snd_soc_codec *codec = dai->codec;
1373 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1374 struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1];
1375 const struct snd_pcm_hw_constraint_list *constraint;
1376 unsigned int base_rate;
1378 switch (dai_priv->clk) {
1379 case ARIZONA_CLK_SYSCLK:
1380 base_rate = priv->sysclk;
1382 case ARIZONA_CLK_ASYNCCLK:
1383 base_rate = priv->asyncclk;
1392 if (base_rate % 8000)
1393 constraint = &arizona_44k1_constraint;
1395 constraint = &arizona_48k_constraint;
1397 return snd_pcm_hw_constraint_list(substream->runtime, 0,
1398 SNDRV_PCM_HW_PARAM_RATE,
1402 static void arizona_wm5102_set_dac_comp(struct snd_soc_codec *codec,
1405 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1406 struct arizona *arizona = priv->arizona;
1407 struct reg_sequence dac_comp[] = {
1409 { ARIZONA_DAC_COMP_1, 0 },
1410 { ARIZONA_DAC_COMP_2, 0 },
1414 mutex_lock(&arizona->dac_comp_lock);
1416 dac_comp[1].def = arizona->dac_comp_coeff;
1418 dac_comp[2].def = arizona->dac_comp_enabled;
1420 mutex_unlock(&arizona->dac_comp_lock);
1422 regmap_multi_reg_write(arizona->regmap,
1424 ARRAY_SIZE(dac_comp));
1427 static int arizona_hw_params_rate(struct snd_pcm_substream *substream,
1428 struct snd_pcm_hw_params *params,
1429 struct snd_soc_dai *dai)
1431 struct snd_soc_codec *codec = dai->codec;
1432 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1433 struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1];
1434 int base = dai->driver->base;
1438 * We will need to be more flexible than this in future,
1439 * currently we use a single sample rate for SYSCLK.
1441 for (i = 0; i < ARRAY_SIZE(arizona_sr_vals); i++)
1442 if (arizona_sr_vals[i] == params_rate(params))
1444 if (i == ARRAY_SIZE(arizona_sr_vals)) {
1445 arizona_aif_err(dai, "Unsupported sample rate %dHz\n",
1446 params_rate(params));
1451 switch (priv->arizona->type) {
1454 if (arizona_sr_vals[sr_val] >= 88200)
1455 ret = arizona_dvfs_up(codec, ARIZONA_DVFS_SR1_RQ);
1457 ret = arizona_dvfs_down(codec, ARIZONA_DVFS_SR1_RQ);
1460 arizona_aif_err(dai, "Failed to change DVFS %d\n", ret);
1468 switch (dai_priv->clk) {
1469 case ARIZONA_CLK_SYSCLK:
1470 switch (priv->arizona->type) {
1472 arizona_wm5102_set_dac_comp(codec,
1473 params_rate(params));
1479 snd_soc_update_bits(codec, ARIZONA_SAMPLE_RATE_1,
1480 ARIZONA_SAMPLE_RATE_1_MASK, sr_val);
1482 snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL,
1483 ARIZONA_AIF1_RATE_MASK, 0);
1485 case ARIZONA_CLK_ASYNCCLK:
1486 snd_soc_update_bits(codec, ARIZONA_ASYNC_SAMPLE_RATE_1,
1487 ARIZONA_ASYNC_SAMPLE_RATE_1_MASK, sr_val);
1489 snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL,
1490 ARIZONA_AIF1_RATE_MASK,
1491 8 << ARIZONA_AIF1_RATE_SHIFT);
1494 arizona_aif_err(dai, "Invalid clock %d\n", dai_priv->clk);
1501 static bool arizona_aif_cfg_changed(struct snd_soc_codec *codec,
1502 int base, int bclk, int lrclk, int frame)
1506 val = snd_soc_read(codec, base + ARIZONA_AIF_BCLK_CTRL);
1507 if (bclk != (val & ARIZONA_AIF1_BCLK_FREQ_MASK))
1510 val = snd_soc_read(codec, base + ARIZONA_AIF_TX_BCLK_RATE);
1511 if (lrclk != (val & ARIZONA_AIF1TX_BCPF_MASK))
1514 val = snd_soc_read(codec, base + ARIZONA_AIF_FRAME_CTRL_1);
1515 if (frame != (val & (ARIZONA_AIF1TX_WL_MASK |
1516 ARIZONA_AIF1TX_SLOT_LEN_MASK)))
1522 static int arizona_hw_params(struct snd_pcm_substream *substream,
1523 struct snd_pcm_hw_params *params,
1524 struct snd_soc_dai *dai)
1526 struct snd_soc_codec *codec = dai->codec;
1527 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1528 struct arizona *arizona = priv->arizona;
1529 int base = dai->driver->base;
1532 int channels = params_channels(params);
1533 int chan_limit = arizona->pdata.max_channels_clocked[dai->id - 1];
1534 int tdm_width = arizona->tdm_width[dai->id - 1];
1535 int tdm_slots = arizona->tdm_slots[dai->id - 1];
1536 int bclk, lrclk, wl, frame, bclk_target;
1538 unsigned int aif_tx_state, aif_rx_state;
1540 if (params_rate(params) % 4000)
1541 rates = &arizona_44k1_bclk_rates[0];
1543 rates = &arizona_48k_bclk_rates[0];
1545 wl = params_width(params);
1548 arizona_aif_dbg(dai, "Configuring for %d %d bit TDM slots\n",
1549 tdm_slots, tdm_width);
1550 bclk_target = tdm_slots * tdm_width * params_rate(params);
1551 channels = tdm_slots;
1553 bclk_target = snd_soc_params_to_bclk(params);
1557 if (chan_limit && chan_limit < channels) {
1558 arizona_aif_dbg(dai, "Limiting to %d channels\n", chan_limit);
1559 bclk_target /= channels;
1560 bclk_target *= chan_limit;
1563 /* Force multiple of 2 channels for I2S mode */
1564 val = snd_soc_read(codec, base + ARIZONA_AIF_FORMAT);
1565 val &= ARIZONA_AIF1_FMT_MASK;
1566 if ((channels & 1) && (val == ARIZONA_FMT_I2S_MODE)) {
1567 arizona_aif_dbg(dai, "Forcing stereo mode\n");
1568 bclk_target /= channels;
1569 bclk_target *= channels + 1;
1572 for (i = 0; i < ARRAY_SIZE(arizona_44k1_bclk_rates); i++) {
1573 if (rates[i] >= bclk_target &&
1574 rates[i] % params_rate(params) == 0) {
1579 if (i == ARRAY_SIZE(arizona_44k1_bclk_rates)) {
1580 arizona_aif_err(dai, "Unsupported sample rate %dHz\n",
1581 params_rate(params));
1585 lrclk = rates[bclk] / params_rate(params);
1587 arizona_aif_dbg(dai, "BCLK %dHz LRCLK %dHz\n",
1588 rates[bclk], rates[bclk] / lrclk);
1590 frame = wl << ARIZONA_AIF1TX_WL_SHIFT | tdm_width;
1592 reconfig = arizona_aif_cfg_changed(codec, base, bclk, lrclk, frame);
1595 /* Save AIF TX/RX state */
1596 aif_tx_state = snd_soc_read(codec,
1597 base + ARIZONA_AIF_TX_ENABLES);
1598 aif_rx_state = snd_soc_read(codec,
1599 base + ARIZONA_AIF_RX_ENABLES);
1600 /* Disable AIF TX/RX before reconfiguring it */
1601 regmap_update_bits_async(arizona->regmap,
1602 base + ARIZONA_AIF_TX_ENABLES, 0xff, 0x0);
1603 regmap_update_bits(arizona->regmap,
1604 base + ARIZONA_AIF_RX_ENABLES, 0xff, 0x0);
1607 ret = arizona_hw_params_rate(substream, params, dai);
1612 regmap_update_bits_async(arizona->regmap,
1613 base + ARIZONA_AIF_BCLK_CTRL,
1614 ARIZONA_AIF1_BCLK_FREQ_MASK, bclk);
1615 regmap_update_bits_async(arizona->regmap,
1616 base + ARIZONA_AIF_TX_BCLK_RATE,
1617 ARIZONA_AIF1TX_BCPF_MASK, lrclk);
1618 regmap_update_bits_async(arizona->regmap,
1619 base + ARIZONA_AIF_RX_BCLK_RATE,
1620 ARIZONA_AIF1RX_BCPF_MASK, lrclk);
1621 regmap_update_bits_async(arizona->regmap,
1622 base + ARIZONA_AIF_FRAME_CTRL_1,
1623 ARIZONA_AIF1TX_WL_MASK |
1624 ARIZONA_AIF1TX_SLOT_LEN_MASK, frame);
1625 regmap_update_bits(arizona->regmap,
1626 base + ARIZONA_AIF_FRAME_CTRL_2,
1627 ARIZONA_AIF1RX_WL_MASK |
1628 ARIZONA_AIF1RX_SLOT_LEN_MASK, frame);
1633 /* Restore AIF TX/RX state */
1634 regmap_update_bits_async(arizona->regmap,
1635 base + ARIZONA_AIF_TX_ENABLES,
1636 0xff, aif_tx_state);
1637 regmap_update_bits(arizona->regmap,
1638 base + ARIZONA_AIF_RX_ENABLES,
1639 0xff, aif_rx_state);
1644 static const char *arizona_dai_clk_str(int clk_id)
1647 case ARIZONA_CLK_SYSCLK:
1649 case ARIZONA_CLK_ASYNCCLK:
1652 return "Unknown clock";
1656 static int arizona_dai_set_sysclk(struct snd_soc_dai *dai,
1657 int clk_id, unsigned int freq, int dir)
1659 struct snd_soc_codec *codec = dai->codec;
1660 struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
1661 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1662 struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1];
1663 struct snd_soc_dapm_route routes[2];
1666 case ARIZONA_CLK_SYSCLK:
1667 case ARIZONA_CLK_ASYNCCLK:
1673 if (clk_id == dai_priv->clk)
1677 dev_err(codec->dev, "Can't change clock on active DAI %d\n",
1682 dev_dbg(codec->dev, "Setting AIF%d to %s\n", dai->id + 1,
1683 arizona_dai_clk_str(clk_id));
1685 memset(&routes, 0, sizeof(routes));
1686 routes[0].sink = dai->driver->capture.stream_name;
1687 routes[1].sink = dai->driver->playback.stream_name;
1689 routes[0].source = arizona_dai_clk_str(dai_priv->clk);
1690 routes[1].source = arizona_dai_clk_str(dai_priv->clk);
1691 snd_soc_dapm_del_routes(dapm, routes, ARRAY_SIZE(routes));
1693 routes[0].source = arizona_dai_clk_str(clk_id);
1694 routes[1].source = arizona_dai_clk_str(clk_id);
1695 snd_soc_dapm_add_routes(dapm, routes, ARRAY_SIZE(routes));
1697 dai_priv->clk = clk_id;
1699 return snd_soc_dapm_sync(dapm);
1702 static int arizona_set_tristate(struct snd_soc_dai *dai, int tristate)
1704 struct snd_soc_codec *codec = dai->codec;
1705 int base = dai->driver->base;
1709 reg = ARIZONA_AIF1_TRI;
1713 return snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL,
1714 ARIZONA_AIF1_TRI, reg);
1717 static void arizona_set_channels_to_mask(struct snd_soc_dai *dai,
1719 int channels, unsigned int mask)
1721 struct snd_soc_codec *codec = dai->codec;
1722 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1723 struct arizona *arizona = priv->arizona;
1726 for (i = 0; i < channels; ++i) {
1727 slot = ffs(mask) - 1;
1731 regmap_write(arizona->regmap, base + i, slot);
1733 mask &= ~(1 << slot);
1737 arizona_aif_warn(dai, "Too many channels in TDM mask\n");
1740 static int arizona_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
1741 unsigned int rx_mask, int slots, int slot_width)
1743 struct snd_soc_codec *codec = dai->codec;
1744 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1745 struct arizona *arizona = priv->arizona;
1746 int base = dai->driver->base;
1747 int rx_max_chan = dai->driver->playback.channels_max;
1748 int tx_max_chan = dai->driver->capture.channels_max;
1750 /* Only support TDM for the physical AIFs */
1751 if (dai->id > ARIZONA_MAX_AIF)
1755 tx_mask = (1 << tx_max_chan) - 1;
1756 rx_mask = (1 << rx_max_chan) - 1;
1759 arizona_set_channels_to_mask(dai, base + ARIZONA_AIF_FRAME_CTRL_3,
1760 tx_max_chan, tx_mask);
1761 arizona_set_channels_to_mask(dai, base + ARIZONA_AIF_FRAME_CTRL_11,
1762 rx_max_chan, rx_mask);
1764 arizona->tdm_width[dai->id - 1] = slot_width;
1765 arizona->tdm_slots[dai->id - 1] = slots;
1770 const struct snd_soc_dai_ops arizona_dai_ops = {
1771 .startup = arizona_startup,
1772 .set_fmt = arizona_set_fmt,
1773 .set_tdm_slot = arizona_set_tdm_slot,
1774 .hw_params = arizona_hw_params,
1775 .set_sysclk = arizona_dai_set_sysclk,
1776 .set_tristate = arizona_set_tristate,
1778 EXPORT_SYMBOL_GPL(arizona_dai_ops);
1780 const struct snd_soc_dai_ops arizona_simple_dai_ops = {
1781 .startup = arizona_startup,
1782 .hw_params = arizona_hw_params_rate,
1783 .set_sysclk = arizona_dai_set_sysclk,
1785 EXPORT_SYMBOL_GPL(arizona_simple_dai_ops);
1787 int arizona_init_dai(struct arizona_priv *priv, int id)
1789 struct arizona_dai_priv *dai_priv = &priv->dai[id];
1791 dai_priv->clk = ARIZONA_CLK_SYSCLK;
1795 EXPORT_SYMBOL_GPL(arizona_init_dai);
1803 { 0, 64000, 4, 16 },
1804 { 64000, 128000, 3, 8 },
1805 { 128000, 256000, 2, 4 },
1806 { 256000, 1000000, 1, 2 },
1807 { 1000000, 13500000, 0, 1 },
1816 { 256000, 1000000, 2 },
1817 { 1000000, 13500000, 4 },
1820 struct arizona_fll_cfg {
1830 static int arizona_validate_fll(struct arizona_fll *fll,
1834 unsigned int Fvco_min;
1836 if (fll->fout && Fout != fll->fout) {
1837 arizona_fll_err(fll,
1838 "Can't change output on active FLL\n");
1842 if (Fref / ARIZONA_FLL_MAX_REFDIV > ARIZONA_FLL_MAX_FREF) {
1843 arizona_fll_err(fll,
1844 "Can't scale %dMHz in to <=13.5MHz\n",
1849 Fvco_min = ARIZONA_FLL_MIN_FVCO * fll->vco_mult;
1850 if (Fout * ARIZONA_FLL_MAX_OUTDIV < Fvco_min) {
1851 arizona_fll_err(fll, "No FLL_OUTDIV for Fout=%uHz\n",
1859 static int arizona_find_fratio(unsigned int Fref, int *fratio)
1863 /* Find an appropriate FLL_FRATIO */
1864 for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) {
1865 if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) {
1867 *fratio = fll_fratios[i].fratio;
1868 return fll_fratios[i].ratio;
1875 static int arizona_calc_fratio(struct arizona_fll *fll,
1876 struct arizona_fll_cfg *cfg,
1877 unsigned int target,
1878 unsigned int Fref, bool sync)
1880 int init_ratio, ratio;
1883 /* Fref must be <=13.5MHz, find initial refdiv */
1886 while (Fref > ARIZONA_FLL_MAX_FREF) {
1891 if (div > ARIZONA_FLL_MAX_REFDIV)
1895 /* Find an appropriate FLL_FRATIO */
1896 init_ratio = arizona_find_fratio(Fref, &cfg->fratio);
1897 if (init_ratio < 0) {
1898 arizona_fll_err(fll, "Unable to find FRATIO for Fref=%uHz\n",
1903 switch (fll->arizona->type) {
1906 if (fll->arizona->rev < 3 || sync)
1918 cfg->fratio = init_ratio - 1;
1920 /* Adjust FRATIO/refdiv to avoid integer mode if possible */
1921 refdiv = cfg->refdiv;
1923 while (div <= ARIZONA_FLL_MAX_REFDIV) {
1924 for (ratio = init_ratio; ratio <= ARIZONA_FLL_MAX_FRATIO;
1926 if ((ARIZONA_FLL_VCO_CORNER / 2) /
1927 (fll->vco_mult * ratio) < Fref)
1930 if (target % (ratio * Fref)) {
1931 cfg->refdiv = refdiv;
1932 cfg->fratio = ratio - 1;
1937 for (ratio = init_ratio - 1; ratio > 0; ratio--) {
1938 if (target % (ratio * Fref)) {
1939 cfg->refdiv = refdiv;
1940 cfg->fratio = ratio - 1;
1948 init_ratio = arizona_find_fratio(Fref, NULL);
1951 arizona_fll_warn(fll, "Falling back to integer mode operation\n");
1952 return cfg->fratio + 1;
1955 static int arizona_calc_fll(struct arizona_fll *fll,
1956 struct arizona_fll_cfg *cfg,
1957 unsigned int Fref, bool sync)
1959 unsigned int target, div, gcd_fll;
1962 arizona_fll_dbg(fll, "Fref=%u Fout=%u\n", Fref, fll->fout);
1964 /* Fvco should be over the targt; don't check the upper bound */
1965 div = ARIZONA_FLL_MIN_OUTDIV;
1966 while (fll->fout * div < ARIZONA_FLL_MIN_FVCO * fll->vco_mult) {
1968 if (div > ARIZONA_FLL_MAX_OUTDIV)
1971 target = fll->fout * div / fll->vco_mult;
1974 arizona_fll_dbg(fll, "Fvco=%dHz\n", target);
1976 /* Find an appropriate FLL_FRATIO and refdiv */
1977 ratio = arizona_calc_fratio(fll, cfg, target, Fref, sync);
1981 /* Apply the division for our remaining calculations */
1982 Fref = Fref / (1 << cfg->refdiv);
1984 cfg->n = target / (ratio * Fref);
1986 if (target % (ratio * Fref)) {
1987 gcd_fll = gcd(target, ratio * Fref);
1988 arizona_fll_dbg(fll, "GCD=%u\n", gcd_fll);
1990 cfg->theta = (target - (cfg->n * ratio * Fref))
1992 cfg->lambda = (ratio * Fref) / gcd_fll;
1998 /* Round down to 16bit range with cost of accuracy lost.
1999 * Denominator must be bigger than numerator so we only
2002 while (cfg->lambda >= (1 << 16)) {
2007 for (i = 0; i < ARRAY_SIZE(fll_gains); i++) {
2008 if (fll_gains[i].min <= Fref && Fref <= fll_gains[i].max) {
2009 cfg->gain = fll_gains[i].gain;
2013 if (i == ARRAY_SIZE(fll_gains)) {
2014 arizona_fll_err(fll, "Unable to find gain for Fref=%uHz\n",
2019 arizona_fll_dbg(fll, "N=%x THETA=%x LAMBDA=%x\n",
2020 cfg->n, cfg->theta, cfg->lambda);
2021 arizona_fll_dbg(fll, "FRATIO=%x(%d) OUTDIV=%x REFCLK_DIV=%x\n",
2022 cfg->fratio, cfg->fratio, cfg->outdiv, cfg->refdiv);
2023 arizona_fll_dbg(fll, "GAIN=%d\n", cfg->gain);
2029 static void arizona_apply_fll(struct arizona *arizona, unsigned int base,
2030 struct arizona_fll_cfg *cfg, int source,
2033 regmap_update_bits_async(arizona->regmap, base + 3,
2034 ARIZONA_FLL1_THETA_MASK, cfg->theta);
2035 regmap_update_bits_async(arizona->regmap, base + 4,
2036 ARIZONA_FLL1_LAMBDA_MASK, cfg->lambda);
2037 regmap_update_bits_async(arizona->regmap, base + 5,
2038 ARIZONA_FLL1_FRATIO_MASK,
2039 cfg->fratio << ARIZONA_FLL1_FRATIO_SHIFT);
2040 regmap_update_bits_async(arizona->regmap, base + 6,
2041 ARIZONA_FLL1_CLK_REF_DIV_MASK |
2042 ARIZONA_FLL1_CLK_REF_SRC_MASK,
2043 cfg->refdiv << ARIZONA_FLL1_CLK_REF_DIV_SHIFT |
2044 source << ARIZONA_FLL1_CLK_REF_SRC_SHIFT);
2047 regmap_update_bits(arizona->regmap, base + 0x7,
2048 ARIZONA_FLL1_GAIN_MASK,
2049 cfg->gain << ARIZONA_FLL1_GAIN_SHIFT);
2051 regmap_update_bits(arizona->regmap, base + 0x5,
2052 ARIZONA_FLL1_OUTDIV_MASK,
2053 cfg->outdiv << ARIZONA_FLL1_OUTDIV_SHIFT);
2054 regmap_update_bits(arizona->regmap, base + 0x9,
2055 ARIZONA_FLL1_GAIN_MASK,
2056 cfg->gain << ARIZONA_FLL1_GAIN_SHIFT);
2059 regmap_update_bits_async(arizona->regmap, base + 2,
2060 ARIZONA_FLL1_CTRL_UPD | ARIZONA_FLL1_N_MASK,
2061 ARIZONA_FLL1_CTRL_UPD | cfg->n);
2064 static int arizona_is_enabled_fll(struct arizona_fll *fll)
2066 struct arizona *arizona = fll->arizona;
2070 ret = regmap_read(arizona->regmap, fll->base + 1, ®);
2072 arizona_fll_err(fll, "Failed to read current state: %d\n",
2077 return reg & ARIZONA_FLL1_ENA;
2080 static int arizona_enable_fll(struct arizona_fll *fll)
2082 struct arizona *arizona = fll->arizona;
2083 bool use_sync = false;
2084 int already_enabled = arizona_is_enabled_fll(fll);
2085 struct arizona_fll_cfg cfg;
2089 if (already_enabled < 0)
2090 return already_enabled;
2092 if (already_enabled) {
2093 /* Facilitate smooth refclk across the transition */
2094 regmap_update_bits_async(fll->arizona->regmap, fll->base + 0x9,
2095 ARIZONA_FLL1_GAIN_MASK, 0);
2096 regmap_update_bits_async(fll->arizona->regmap, fll->base + 1,
2097 ARIZONA_FLL1_FREERUN,
2098 ARIZONA_FLL1_FREERUN);
2102 * If we have both REFCLK and SYNCCLK then enable both,
2103 * otherwise apply the SYNCCLK settings to REFCLK.
2105 if (fll->ref_src >= 0 && fll->ref_freq &&
2106 fll->ref_src != fll->sync_src) {
2107 arizona_calc_fll(fll, &cfg, fll->ref_freq, false);
2109 arizona_apply_fll(arizona, fll->base, &cfg, fll->ref_src,
2111 if (fll->sync_src >= 0) {
2112 arizona_calc_fll(fll, &cfg, fll->sync_freq, true);
2114 arizona_apply_fll(arizona, fll->base + 0x10, &cfg,
2115 fll->sync_src, true);
2118 } else if (fll->sync_src >= 0) {
2119 arizona_calc_fll(fll, &cfg, fll->sync_freq, false);
2121 arizona_apply_fll(arizona, fll->base, &cfg,
2122 fll->sync_src, false);
2124 regmap_update_bits_async(arizona->regmap, fll->base + 0x11,
2125 ARIZONA_FLL1_SYNC_ENA, 0);
2127 arizona_fll_err(fll, "No clocks provided\n");
2132 * Increase the bandwidth if we're not using a low frequency
2135 if (use_sync && fll->sync_freq > 100000)
2136 regmap_update_bits_async(arizona->regmap, fll->base + 0x17,
2137 ARIZONA_FLL1_SYNC_BW, 0);
2139 regmap_update_bits_async(arizona->regmap, fll->base + 0x17,
2140 ARIZONA_FLL1_SYNC_BW,
2141 ARIZONA_FLL1_SYNC_BW);
2143 if (!already_enabled)
2144 pm_runtime_get(arizona->dev);
2146 regmap_update_bits_async(arizona->regmap, fll->base + 1,
2147 ARIZONA_FLL1_ENA, ARIZONA_FLL1_ENA);
2149 regmap_update_bits_async(arizona->regmap, fll->base + 0x11,
2150 ARIZONA_FLL1_SYNC_ENA,
2151 ARIZONA_FLL1_SYNC_ENA);
2153 if (already_enabled)
2154 regmap_update_bits_async(arizona->regmap, fll->base + 1,
2155 ARIZONA_FLL1_FREERUN, 0);
2157 arizona_fll_dbg(fll, "Waiting for FLL lock...\n");
2159 for (i = 0; i < 15; i++) {
2161 usleep_range(200, 400);
2165 regmap_read(arizona->regmap,
2166 ARIZONA_INTERRUPT_RAW_STATUS_5,
2168 if (val & (ARIZONA_FLL1_CLOCK_OK_STS << (fll->id - 1)))
2172 arizona_fll_warn(fll, "Timed out waiting for lock\n");
2174 arizona_fll_dbg(fll, "FLL locked (%d polls)\n", i);
2179 static void arizona_disable_fll(struct arizona_fll *fll)
2181 struct arizona *arizona = fll->arizona;
2184 regmap_update_bits_async(arizona->regmap, fll->base + 1,
2185 ARIZONA_FLL1_FREERUN, ARIZONA_FLL1_FREERUN);
2186 regmap_update_bits_check(arizona->regmap, fll->base + 1,
2187 ARIZONA_FLL1_ENA, 0, &change);
2188 regmap_update_bits(arizona->regmap, fll->base + 0x11,
2189 ARIZONA_FLL1_SYNC_ENA, 0);
2190 regmap_update_bits_async(arizona->regmap, fll->base + 1,
2191 ARIZONA_FLL1_FREERUN, 0);
2194 pm_runtime_put_autosuspend(arizona->dev);
2197 int arizona_set_fll_refclk(struct arizona_fll *fll, int source,
2198 unsigned int Fref, unsigned int Fout)
2202 if (fll->ref_src == source && fll->ref_freq == Fref)
2205 if (fll->fout && Fref > 0) {
2206 ret = arizona_validate_fll(fll, Fref, fll->fout);
2211 fll->ref_src = source;
2212 fll->ref_freq = Fref;
2214 if (fll->fout && Fref > 0) {
2215 ret = arizona_enable_fll(fll);
2220 EXPORT_SYMBOL_GPL(arizona_set_fll_refclk);
2222 int arizona_set_fll(struct arizona_fll *fll, int source,
2223 unsigned int Fref, unsigned int Fout)
2227 if (fll->sync_src == source &&
2228 fll->sync_freq == Fref && fll->fout == Fout)
2232 if (fll->ref_src >= 0) {
2233 ret = arizona_validate_fll(fll, fll->ref_freq, Fout);
2238 ret = arizona_validate_fll(fll, Fref, Fout);
2243 fll->sync_src = source;
2244 fll->sync_freq = Fref;
2248 ret = arizona_enable_fll(fll);
2250 arizona_disable_fll(fll);
2254 EXPORT_SYMBOL_GPL(arizona_set_fll);
2256 int arizona_init_fll(struct arizona *arizona, int id, int base, int lock_irq,
2257 int ok_irq, struct arizona_fll *fll)
2263 fll->arizona = arizona;
2264 fll->sync_src = ARIZONA_FLL_SRC_NONE;
2266 /* Configure default refclk to 32kHz if we have one */
2267 regmap_read(arizona->regmap, ARIZONA_CLOCK_32K_1, &val);
2268 switch (val & ARIZONA_CLK_32K_SRC_MASK) {
2269 case ARIZONA_CLK_SRC_MCLK1:
2270 case ARIZONA_CLK_SRC_MCLK2:
2271 fll->ref_src = val & ARIZONA_CLK_32K_SRC_MASK;
2274 fll->ref_src = ARIZONA_FLL_SRC_NONE;
2276 fll->ref_freq = 32768;
2278 snprintf(fll->lock_name, sizeof(fll->lock_name), "FLL%d lock", id);
2279 snprintf(fll->clock_ok_name, sizeof(fll->clock_ok_name),
2280 "FLL%d clock OK", id);
2282 regmap_update_bits(arizona->regmap, fll->base + 1,
2283 ARIZONA_FLL1_FREERUN, 0);
2287 EXPORT_SYMBOL_GPL(arizona_init_fll);
2290 * arizona_set_output_mode - Set the mode of the specified output
2292 * @codec: Device to configure
2293 * @output: Output number
2294 * @diff: True to set the output to differential mode
2296 * Some systems use external analogue switches to connect more
2297 * analogue devices to the CODEC than are supported by the device. In
2298 * some systems this requires changing the switched output from single
2299 * ended to differential mode dynamically at runtime, an operation
2300 * supported using this function.
2302 * Most systems have a single static configuration and should use
2303 * platform data instead.
2305 int arizona_set_output_mode(struct snd_soc_codec *codec, int output, bool diff)
2307 unsigned int reg, val;
2309 if (output < 1 || output > 6)
2312 reg = ARIZONA_OUTPUT_PATH_CONFIG_1L + (output - 1) * 8;
2315 val = ARIZONA_OUT1_MONO;
2319 return snd_soc_update_bits(codec, reg, ARIZONA_OUT1_MONO, val);
2321 EXPORT_SYMBOL_GPL(arizona_set_output_mode);
2323 static const struct soc_enum arizona_adsp2_rate_enum[] = {
2324 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP1_CONTROL_1,
2325 ARIZONA_DSP1_RATE_SHIFT, 0xf,
2326 ARIZONA_RATE_ENUM_SIZE,
2327 arizona_rate_text, arizona_rate_val),
2328 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP2_CONTROL_1,
2329 ARIZONA_DSP1_RATE_SHIFT, 0xf,
2330 ARIZONA_RATE_ENUM_SIZE,
2331 arizona_rate_text, arizona_rate_val),
2332 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP3_CONTROL_1,
2333 ARIZONA_DSP1_RATE_SHIFT, 0xf,
2334 ARIZONA_RATE_ENUM_SIZE,
2335 arizona_rate_text, arizona_rate_val),
2336 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP4_CONTROL_1,
2337 ARIZONA_DSP1_RATE_SHIFT, 0xf,
2338 ARIZONA_RATE_ENUM_SIZE,
2339 arizona_rate_text, arizona_rate_val),
2342 const struct snd_kcontrol_new arizona_adsp2_rate_controls[] = {
2343 SOC_ENUM("DSP1 Rate", arizona_adsp2_rate_enum[0]),
2344 SOC_ENUM("DSP2 Rate", arizona_adsp2_rate_enum[1]),
2345 SOC_ENUM("DSP3 Rate", arizona_adsp2_rate_enum[2]),
2346 SOC_ENUM("DSP4 Rate", arizona_adsp2_rate_enum[3]),
2348 EXPORT_SYMBOL_GPL(arizona_adsp2_rate_controls);
2350 static bool arizona_eq_filter_unstable(bool mode, __be16 _a, __be16 _b)
2352 s16 a = be16_to_cpu(_a);
2353 s16 b = be16_to_cpu(_b);
2356 return abs(a) >= 4096;
2361 return (abs((a << 16) / (4096 - b)) >= 4096 << 4);
2365 int arizona_eq_coeff_put(struct snd_kcontrol *kcontrol,
2366 struct snd_ctl_elem_value *ucontrol)
2368 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
2369 struct arizona *arizona = dev_get_drvdata(codec->dev->parent);
2370 struct soc_bytes *params = (void *)kcontrol->private_value;
2376 len = params->num_regs * regmap_get_val_bytes(arizona->regmap);
2378 data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA);
2382 data[0] &= cpu_to_be16(ARIZONA_EQ1_B1_MODE);
2384 if (arizona_eq_filter_unstable(!!data[0], data[1], data[2]) ||
2385 arizona_eq_filter_unstable(true, data[4], data[5]) ||
2386 arizona_eq_filter_unstable(true, data[8], data[9]) ||
2387 arizona_eq_filter_unstable(true, data[12], data[13]) ||
2388 arizona_eq_filter_unstable(false, data[16], data[17])) {
2389 dev_err(arizona->dev, "Rejecting unstable EQ coefficients\n");
2394 ret = regmap_read(arizona->regmap, params->base, &val);
2398 val &= ~ARIZONA_EQ1_B1_MODE;
2399 data[0] |= cpu_to_be16(val);
2401 ret = regmap_raw_write(arizona->regmap, params->base, data, len);
2407 EXPORT_SYMBOL_GPL(arizona_eq_coeff_put);
2409 int arizona_lhpf_coeff_put(struct snd_kcontrol *kcontrol,
2410 struct snd_ctl_elem_value *ucontrol)
2412 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
2413 struct arizona *arizona = dev_get_drvdata(codec->dev->parent);
2414 __be16 *data = (__be16 *)ucontrol->value.bytes.data;
2415 s16 val = be16_to_cpu(*data);
2417 if (abs(val) >= 4096) {
2418 dev_err(arizona->dev, "Rejecting unstable LHPF coefficients\n");
2422 return snd_soc_bytes_put(kcontrol, ucontrol);
2424 EXPORT_SYMBOL_GPL(arizona_lhpf_coeff_put);
2426 MODULE_DESCRIPTION("ASoC Wolfson Arizona class device support");
2427 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
2428 MODULE_LICENSE("GPL");