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/gpio.h>
23 #include <linux/mfd/arizona/registers.h>
27 #define ARIZONA_AIF_BCLK_CTRL 0x00
28 #define ARIZONA_AIF_TX_PIN_CTRL 0x01
29 #define ARIZONA_AIF_RX_PIN_CTRL 0x02
30 #define ARIZONA_AIF_RATE_CTRL 0x03
31 #define ARIZONA_AIF_FORMAT 0x04
32 #define ARIZONA_AIF_TX_BCLK_RATE 0x05
33 #define ARIZONA_AIF_RX_BCLK_RATE 0x06
34 #define ARIZONA_AIF_FRAME_CTRL_1 0x07
35 #define ARIZONA_AIF_FRAME_CTRL_2 0x08
36 #define ARIZONA_AIF_FRAME_CTRL_3 0x09
37 #define ARIZONA_AIF_FRAME_CTRL_4 0x0A
38 #define ARIZONA_AIF_FRAME_CTRL_5 0x0B
39 #define ARIZONA_AIF_FRAME_CTRL_6 0x0C
40 #define ARIZONA_AIF_FRAME_CTRL_7 0x0D
41 #define ARIZONA_AIF_FRAME_CTRL_8 0x0E
42 #define ARIZONA_AIF_FRAME_CTRL_9 0x0F
43 #define ARIZONA_AIF_FRAME_CTRL_10 0x10
44 #define ARIZONA_AIF_FRAME_CTRL_11 0x11
45 #define ARIZONA_AIF_FRAME_CTRL_12 0x12
46 #define ARIZONA_AIF_FRAME_CTRL_13 0x13
47 #define ARIZONA_AIF_FRAME_CTRL_14 0x14
48 #define ARIZONA_AIF_FRAME_CTRL_15 0x15
49 #define ARIZONA_AIF_FRAME_CTRL_16 0x16
50 #define ARIZONA_AIF_FRAME_CTRL_17 0x17
51 #define ARIZONA_AIF_FRAME_CTRL_18 0x18
52 #define ARIZONA_AIF_TX_ENABLES 0x19
53 #define ARIZONA_AIF_RX_ENABLES 0x1A
54 #define ARIZONA_AIF_FORCE_WRITE 0x1B
56 #define ARIZONA_FLL_VCO_CORNER 141900000
57 #define ARIZONA_FLL_MAX_FREF 13500000
58 #define ARIZONA_FLL_MIN_FVCO 90000000
59 #define ARIZONA_FLL_MAX_FRATIO 16
60 #define ARIZONA_FLL_MAX_REFDIV 8
61 #define ARIZONA_FLL_MIN_OUTDIV 2
62 #define ARIZONA_FLL_MAX_OUTDIV 7
64 #define arizona_fll_err(_fll, fmt, ...) \
65 dev_err(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__)
66 #define arizona_fll_warn(_fll, fmt, ...) \
67 dev_warn(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__)
68 #define arizona_fll_dbg(_fll, fmt, ...) \
69 dev_dbg(_fll->arizona->dev, "FLL%d: " fmt, _fll->id, ##__VA_ARGS__)
71 #define arizona_aif_err(_dai, fmt, ...) \
72 dev_err(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__)
73 #define arizona_aif_warn(_dai, fmt, ...) \
74 dev_warn(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__)
75 #define arizona_aif_dbg(_dai, fmt, ...) \
76 dev_dbg(_dai->dev, "AIF%d: " fmt, _dai->id, ##__VA_ARGS__)
78 static int arizona_spk_ev(struct snd_soc_dapm_widget *w,
79 struct snd_kcontrol *kcontrol,
82 struct snd_soc_codec *codec = w->codec;
83 struct arizona *arizona = dev_get_drvdata(codec->dev->parent);
84 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
85 bool manual_ena = false;
88 switch (arizona->type) {
90 switch (arizona->rev) {
102 case SND_SOC_DAPM_PRE_PMU:
103 if (!priv->spk_ena && manual_ena) {
104 regmap_write_async(arizona->regmap, 0x4f5, 0x25a);
105 priv->spk_ena_pending = true;
108 case SND_SOC_DAPM_POST_PMU:
109 val = snd_soc_read(codec, ARIZONA_INTERRUPT_RAW_STATUS_3);
110 if (val & ARIZONA_SPK_OVERHEAT_STS) {
111 dev_crit(arizona->dev,
112 "Speaker not enabled due to temperature\n");
116 regmap_update_bits_async(arizona->regmap,
117 ARIZONA_OUTPUT_ENABLES_1,
118 1 << w->shift, 1 << w->shift);
120 if (priv->spk_ena_pending) {
122 regmap_write_async(arizona->regmap, 0x4f5, 0xda);
123 priv->spk_ena_pending = false;
127 case SND_SOC_DAPM_PRE_PMD:
131 regmap_write_async(arizona->regmap,
135 regmap_update_bits_async(arizona->regmap,
136 ARIZONA_OUTPUT_ENABLES_1,
139 case SND_SOC_DAPM_POST_PMD:
142 regmap_write_async(arizona->regmap,
151 static irqreturn_t arizona_thermal_warn(int irq, void *data)
153 struct arizona *arizona = data;
157 ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_3,
160 dev_err(arizona->dev, "Failed to read thermal status: %d\n",
162 } else if (val & ARIZONA_SPK_OVERHEAT_WARN_STS) {
163 dev_crit(arizona->dev, "Thermal warning\n");
169 static irqreturn_t arizona_thermal_shutdown(int irq, void *data)
171 struct arizona *arizona = data;
175 ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_3,
178 dev_err(arizona->dev, "Failed to read thermal status: %d\n",
180 } else if (val & ARIZONA_SPK_OVERHEAT_STS) {
181 dev_crit(arizona->dev, "Thermal shutdown\n");
182 ret = regmap_update_bits(arizona->regmap,
183 ARIZONA_OUTPUT_ENABLES_1,
185 ARIZONA_OUT4R_ENA, 0);
187 dev_crit(arizona->dev,
188 "Failed to disable speaker outputs: %d\n",
195 static const struct snd_soc_dapm_widget arizona_spkl =
196 SND_SOC_DAPM_PGA_E("OUT4L", SND_SOC_NOPM,
197 ARIZONA_OUT4L_ENA_SHIFT, 0, NULL, 0, arizona_spk_ev,
198 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU);
200 static const struct snd_soc_dapm_widget arizona_spkr =
201 SND_SOC_DAPM_PGA_E("OUT4R", SND_SOC_NOPM,
202 ARIZONA_OUT4R_ENA_SHIFT, 0, NULL, 0, arizona_spk_ev,
203 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU);
205 int arizona_init_spk(struct snd_soc_codec *codec)
207 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
208 struct arizona *arizona = priv->arizona;
211 ret = snd_soc_dapm_new_controls(&codec->dapm, &arizona_spkl, 1);
215 switch (arizona->type) {
219 ret = snd_soc_dapm_new_controls(&codec->dapm,
226 ret = arizona_request_irq(arizona, ARIZONA_IRQ_SPK_OVERHEAT_WARN,
227 "Thermal warning", arizona_thermal_warn,
230 dev_err(arizona->dev,
231 "Failed to get thermal warning IRQ: %d\n",
234 ret = arizona_request_irq(arizona, ARIZONA_IRQ_SPK_OVERHEAT,
235 "Thermal shutdown", arizona_thermal_shutdown,
238 dev_err(arizona->dev,
239 "Failed to get thermal shutdown IRQ: %d\n",
244 EXPORT_SYMBOL_GPL(arizona_init_spk);
246 static const struct snd_soc_dapm_route arizona_mono_routes[] = {
247 { "OUT1R", NULL, "OUT1L" },
248 { "OUT2R", NULL, "OUT2L" },
249 { "OUT3R", NULL, "OUT3L" },
250 { "OUT4R", NULL, "OUT4L" },
251 { "OUT5R", NULL, "OUT5L" },
252 { "OUT6R", NULL, "OUT6L" },
255 int arizona_init_mono(struct snd_soc_codec *codec)
257 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
258 struct arizona *arizona = priv->arizona;
261 for (i = 0; i < ARIZONA_MAX_OUTPUT; ++i) {
262 if (arizona->pdata.out_mono[i])
263 snd_soc_dapm_add_routes(&codec->dapm,
264 &arizona_mono_routes[i], 1);
269 EXPORT_SYMBOL_GPL(arizona_init_mono);
271 int arizona_init_gpio(struct snd_soc_codec *codec)
273 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
274 struct arizona *arizona = priv->arizona;
277 switch (arizona->type) {
279 snd_soc_dapm_disable_pin(&codec->dapm, "DRC2 Signal Activity");
285 snd_soc_dapm_disable_pin(&codec->dapm, "DRC1 Signal Activity");
287 for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) {
288 switch (arizona->pdata.gpio_defaults[i] & ARIZONA_GPN_FN_MASK) {
289 case ARIZONA_GP_FN_DRC1_SIGNAL_DETECT:
290 snd_soc_dapm_enable_pin(&codec->dapm,
291 "DRC1 Signal Activity");
293 case ARIZONA_GP_FN_DRC2_SIGNAL_DETECT:
294 snd_soc_dapm_enable_pin(&codec->dapm,
295 "DRC2 Signal Activity");
304 EXPORT_SYMBOL_GPL(arizona_init_gpio);
306 const char *arizona_mixer_texts[ARIZONA_NUM_MIXER_INPUTS] = {
411 EXPORT_SYMBOL_GPL(arizona_mixer_texts);
413 int arizona_mixer_values[ARIZONA_NUM_MIXER_INPUTS] = {
419 0x0c, /* Noise mixer */
420 0x0d, /* Comfort noise */
493 0xa0, /* ISRC1INT1 */
497 0xa4, /* ISRC1DEC1 */
501 0xa8, /* ISRC2DEC1 */
505 0xac, /* ISRC2INT1 */
509 0xb0, /* ISRC3DEC1 */
513 0xb4, /* ISRC3INT1 */
518 EXPORT_SYMBOL_GPL(arizona_mixer_values);
520 const DECLARE_TLV_DB_SCALE(arizona_mixer_tlv, -3200, 100, 0);
521 EXPORT_SYMBOL_GPL(arizona_mixer_tlv);
523 const char *arizona_rate_text[ARIZONA_RATE_ENUM_SIZE] = {
524 "SYNCCLK rate", "8kHz", "16kHz", "ASYNCCLK rate",
526 EXPORT_SYMBOL_GPL(arizona_rate_text);
528 const int arizona_rate_val[ARIZONA_RATE_ENUM_SIZE] = {
531 EXPORT_SYMBOL_GPL(arizona_rate_val);
534 const struct soc_enum arizona_isrc_fsh[] = {
535 SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_1_CTRL_1,
536 ARIZONA_ISRC1_FSH_SHIFT, 0xf,
537 ARIZONA_RATE_ENUM_SIZE,
538 arizona_rate_text, arizona_rate_val),
539 SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_2_CTRL_1,
540 ARIZONA_ISRC2_FSH_SHIFT, 0xf,
541 ARIZONA_RATE_ENUM_SIZE,
542 arizona_rate_text, arizona_rate_val),
543 SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_3_CTRL_1,
544 ARIZONA_ISRC3_FSH_SHIFT, 0xf,
545 ARIZONA_RATE_ENUM_SIZE,
546 arizona_rate_text, arizona_rate_val),
548 EXPORT_SYMBOL_GPL(arizona_isrc_fsh);
550 const struct soc_enum arizona_isrc_fsl[] = {
551 SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_1_CTRL_2,
552 ARIZONA_ISRC1_FSL_SHIFT, 0xf,
553 ARIZONA_RATE_ENUM_SIZE,
554 arizona_rate_text, arizona_rate_val),
555 SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_2_CTRL_2,
556 ARIZONA_ISRC2_FSL_SHIFT, 0xf,
557 ARIZONA_RATE_ENUM_SIZE,
558 arizona_rate_text, arizona_rate_val),
559 SOC_VALUE_ENUM_SINGLE(ARIZONA_ISRC_3_CTRL_2,
560 ARIZONA_ISRC3_FSL_SHIFT, 0xf,
561 ARIZONA_RATE_ENUM_SIZE,
562 arizona_rate_text, arizona_rate_val),
564 EXPORT_SYMBOL_GPL(arizona_isrc_fsl);
566 const struct soc_enum arizona_asrc_rate1 =
567 SOC_VALUE_ENUM_SINGLE(ARIZONA_ASRC_RATE1,
568 ARIZONA_ASRC_RATE1_SHIFT, 0xf,
569 ARIZONA_RATE_ENUM_SIZE - 1,
570 arizona_rate_text, arizona_rate_val);
571 EXPORT_SYMBOL_GPL(arizona_asrc_rate1);
573 static const char *arizona_vol_ramp_text[] = {
574 "0ms/6dB", "0.5ms/6dB", "1ms/6dB", "2ms/6dB", "4ms/6dB", "8ms/6dB",
575 "15ms/6dB", "30ms/6dB",
578 SOC_ENUM_SINGLE_DECL(arizona_in_vd_ramp,
579 ARIZONA_INPUT_VOLUME_RAMP,
580 ARIZONA_IN_VD_RAMP_SHIFT,
581 arizona_vol_ramp_text);
582 EXPORT_SYMBOL_GPL(arizona_in_vd_ramp);
584 SOC_ENUM_SINGLE_DECL(arizona_in_vi_ramp,
585 ARIZONA_INPUT_VOLUME_RAMP,
586 ARIZONA_IN_VI_RAMP_SHIFT,
587 arizona_vol_ramp_text);
588 EXPORT_SYMBOL_GPL(arizona_in_vi_ramp);
590 SOC_ENUM_SINGLE_DECL(arizona_out_vd_ramp,
591 ARIZONA_OUTPUT_VOLUME_RAMP,
592 ARIZONA_OUT_VD_RAMP_SHIFT,
593 arizona_vol_ramp_text);
594 EXPORT_SYMBOL_GPL(arizona_out_vd_ramp);
596 SOC_ENUM_SINGLE_DECL(arizona_out_vi_ramp,
597 ARIZONA_OUTPUT_VOLUME_RAMP,
598 ARIZONA_OUT_VI_RAMP_SHIFT,
599 arizona_vol_ramp_text);
600 EXPORT_SYMBOL_GPL(arizona_out_vi_ramp);
602 static const char *arizona_lhpf_mode_text[] = {
603 "Low-pass", "High-pass"
606 SOC_ENUM_SINGLE_DECL(arizona_lhpf1_mode,
608 ARIZONA_LHPF1_MODE_SHIFT,
609 arizona_lhpf_mode_text);
610 EXPORT_SYMBOL_GPL(arizona_lhpf1_mode);
612 SOC_ENUM_SINGLE_DECL(arizona_lhpf2_mode,
614 ARIZONA_LHPF2_MODE_SHIFT,
615 arizona_lhpf_mode_text);
616 EXPORT_SYMBOL_GPL(arizona_lhpf2_mode);
618 SOC_ENUM_SINGLE_DECL(arizona_lhpf3_mode,
620 ARIZONA_LHPF3_MODE_SHIFT,
621 arizona_lhpf_mode_text);
622 EXPORT_SYMBOL_GPL(arizona_lhpf3_mode);
624 SOC_ENUM_SINGLE_DECL(arizona_lhpf4_mode,
626 ARIZONA_LHPF4_MODE_SHIFT,
627 arizona_lhpf_mode_text);
628 EXPORT_SYMBOL_GPL(arizona_lhpf4_mode);
630 static const char *arizona_ng_hold_text[] = {
631 "30ms", "120ms", "250ms", "500ms",
634 SOC_ENUM_SINGLE_DECL(arizona_ng_hold,
635 ARIZONA_NOISE_GATE_CONTROL,
636 ARIZONA_NGATE_HOLD_SHIFT,
637 arizona_ng_hold_text);
638 EXPORT_SYMBOL_GPL(arizona_ng_hold);
640 static const char * const arizona_in_hpf_cut_text[] = {
641 "2.5Hz", "5Hz", "10Hz", "20Hz", "40Hz"
644 SOC_ENUM_SINGLE_DECL(arizona_in_hpf_cut_enum,
646 ARIZONA_IN_HPF_CUT_SHIFT,
647 arizona_in_hpf_cut_text);
648 EXPORT_SYMBOL_GPL(arizona_in_hpf_cut_enum);
650 static const char * const arizona_in_dmic_osr_text[] = {
651 "1.536MHz", "3.072MHz", "6.144MHz",
654 const struct soc_enum arizona_in_dmic_osr[] = {
655 SOC_ENUM_SINGLE(ARIZONA_IN1L_CONTROL, ARIZONA_IN1_OSR_SHIFT,
656 ARRAY_SIZE(arizona_in_dmic_osr_text),
657 arizona_in_dmic_osr_text),
658 SOC_ENUM_SINGLE(ARIZONA_IN2L_CONTROL, ARIZONA_IN2_OSR_SHIFT,
659 ARRAY_SIZE(arizona_in_dmic_osr_text),
660 arizona_in_dmic_osr_text),
661 SOC_ENUM_SINGLE(ARIZONA_IN3L_CONTROL, ARIZONA_IN3_OSR_SHIFT,
662 ARRAY_SIZE(arizona_in_dmic_osr_text),
663 arizona_in_dmic_osr_text),
664 SOC_ENUM_SINGLE(ARIZONA_IN4L_CONTROL, ARIZONA_IN4_OSR_SHIFT,
665 ARRAY_SIZE(arizona_in_dmic_osr_text),
666 arizona_in_dmic_osr_text),
668 EXPORT_SYMBOL_GPL(arizona_in_dmic_osr);
670 static void arizona_in_set_vu(struct snd_soc_codec *codec, int ena)
672 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
681 for (i = 0; i < priv->num_inputs; i++)
682 snd_soc_update_bits(codec,
683 ARIZONA_ADC_DIGITAL_VOLUME_1L + (i * 4),
687 int arizona_in_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol,
690 struct arizona_priv *priv = snd_soc_codec_get_drvdata(w->codec);
694 reg = ARIZONA_ADC_DIGITAL_VOLUME_1L + ((w->shift / 2) * 8);
696 reg = ARIZONA_ADC_DIGITAL_VOLUME_1R + ((w->shift / 2) * 8);
699 case SND_SOC_DAPM_PRE_PMU:
702 case SND_SOC_DAPM_POST_PMU:
703 snd_soc_update_bits(w->codec, reg, ARIZONA_IN1L_MUTE, 0);
705 /* If this is the last input pending then allow VU */
707 if (priv->in_pending == 0) {
709 arizona_in_set_vu(w->codec, 1);
712 case SND_SOC_DAPM_PRE_PMD:
713 snd_soc_update_bits(w->codec, reg,
714 ARIZONA_IN1L_MUTE | ARIZONA_IN_VU,
715 ARIZONA_IN1L_MUTE | ARIZONA_IN_VU);
717 case SND_SOC_DAPM_POST_PMD:
718 /* Disable volume updates if no inputs are enabled */
719 reg = snd_soc_read(w->codec, ARIZONA_INPUT_ENABLES);
721 arizona_in_set_vu(w->codec, 0);
726 EXPORT_SYMBOL_GPL(arizona_in_ev);
728 int arizona_out_ev(struct snd_soc_dapm_widget *w,
729 struct snd_kcontrol *kcontrol,
733 case SND_SOC_DAPM_POST_PMU:
735 case ARIZONA_OUT1L_ENA_SHIFT:
736 case ARIZONA_OUT1R_ENA_SHIFT:
737 case ARIZONA_OUT2L_ENA_SHIFT:
738 case ARIZONA_OUT2R_ENA_SHIFT:
739 case ARIZONA_OUT3L_ENA_SHIFT:
740 case ARIZONA_OUT3R_ENA_SHIFT:
752 EXPORT_SYMBOL_GPL(arizona_out_ev);
754 int arizona_hp_ev(struct snd_soc_dapm_widget *w,
755 struct snd_kcontrol *kcontrol,
758 struct arizona_priv *priv = snd_soc_codec_get_drvdata(w->codec);
759 struct arizona *arizona = priv->arizona;
760 unsigned int mask = 1 << w->shift;
764 case SND_SOC_DAPM_POST_PMU:
767 case SND_SOC_DAPM_PRE_PMD:
774 /* Store the desired state for the HP outputs */
775 priv->arizona->hp_ena &= ~mask;
776 priv->arizona->hp_ena |= val;
778 /* Force off if HPDET magic is active */
779 if (priv->arizona->hpdet_magic)
782 regmap_update_bits_async(arizona->regmap, ARIZONA_OUTPUT_ENABLES_1,
785 return arizona_out_ev(w, kcontrol, event);
787 EXPORT_SYMBOL_GPL(arizona_hp_ev);
789 static unsigned int arizona_sysclk_48k_rates[] = {
799 static unsigned int arizona_sysclk_44k1_rates[] = {
809 static int arizona_set_opclk(struct snd_soc_codec *codec, unsigned int clk,
812 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
815 int ref, div, refclk;
818 case ARIZONA_CLK_OPCLK:
819 reg = ARIZONA_OUTPUT_SYSTEM_CLOCK;
820 refclk = priv->sysclk;
822 case ARIZONA_CLK_ASYNC_OPCLK:
823 reg = ARIZONA_OUTPUT_ASYNC_CLOCK;
824 refclk = priv->asyncclk;
831 rates = arizona_sysclk_44k1_rates;
833 rates = arizona_sysclk_48k_rates;
835 for (ref = 0; ref < ARRAY_SIZE(arizona_sysclk_48k_rates) &&
836 rates[ref] <= refclk; ref++) {
838 while (rates[ref] / div >= freq && div < 32) {
839 if (rates[ref] / div == freq) {
840 dev_dbg(codec->dev, "Configured %dHz OPCLK\n",
842 snd_soc_update_bits(codec, reg,
843 ARIZONA_OPCLK_DIV_MASK |
844 ARIZONA_OPCLK_SEL_MASK,
846 ARIZONA_OPCLK_DIV_SHIFT) |
854 dev_err(codec->dev, "Unable to generate %dHz OPCLK\n", freq);
858 int arizona_set_sysclk(struct snd_soc_codec *codec, int clk_id,
859 int source, unsigned int freq, int dir)
861 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
862 struct arizona *arizona = priv->arizona;
865 unsigned int mask = ARIZONA_SYSCLK_FREQ_MASK | ARIZONA_SYSCLK_SRC_MASK;
866 unsigned int val = source << ARIZONA_SYSCLK_SRC_SHIFT;
870 case ARIZONA_CLK_SYSCLK:
872 reg = ARIZONA_SYSTEM_CLOCK_1;
874 mask |= ARIZONA_SYSCLK_FRAC;
876 case ARIZONA_CLK_ASYNCCLK:
878 reg = ARIZONA_ASYNC_CLOCK_1;
879 clk = &priv->asyncclk;
881 case ARIZONA_CLK_OPCLK:
882 case ARIZONA_CLK_ASYNC_OPCLK:
883 return arizona_set_opclk(codec, clk_id, freq);
894 val |= ARIZONA_CLK_12MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
898 val |= ARIZONA_CLK_24MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
902 val |= ARIZONA_CLK_49MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
906 val |= ARIZONA_CLK_73MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
910 val |= ARIZONA_CLK_98MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
914 val |= ARIZONA_CLK_147MHZ << ARIZONA_SYSCLK_FREQ_SHIFT;
917 dev_dbg(arizona->dev, "%s cleared\n", name);
927 val |= ARIZONA_SYSCLK_FRAC;
929 dev_dbg(arizona->dev, "%s set to %uHz", name, freq);
931 return regmap_update_bits(arizona->regmap, reg, mask, val);
933 EXPORT_SYMBOL_GPL(arizona_set_sysclk);
935 static int arizona_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
937 struct snd_soc_codec *codec = dai->codec;
938 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
939 struct arizona *arizona = priv->arizona;
940 int lrclk, bclk, mode, base;
942 base = dai->driver->base;
947 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
948 case SND_SOC_DAIFMT_DSP_A:
951 case SND_SOC_DAIFMT_I2S:
955 arizona_aif_err(dai, "Unsupported DAI format %d\n",
956 fmt & SND_SOC_DAIFMT_FORMAT_MASK);
960 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
961 case SND_SOC_DAIFMT_CBS_CFS:
963 case SND_SOC_DAIFMT_CBS_CFM:
964 lrclk |= ARIZONA_AIF1TX_LRCLK_MSTR;
966 case SND_SOC_DAIFMT_CBM_CFS:
967 bclk |= ARIZONA_AIF1_BCLK_MSTR;
969 case SND_SOC_DAIFMT_CBM_CFM:
970 bclk |= ARIZONA_AIF1_BCLK_MSTR;
971 lrclk |= ARIZONA_AIF1TX_LRCLK_MSTR;
974 arizona_aif_err(dai, "Unsupported master mode %d\n",
975 fmt & SND_SOC_DAIFMT_MASTER_MASK);
979 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
980 case SND_SOC_DAIFMT_NB_NF:
982 case SND_SOC_DAIFMT_IB_IF:
983 bclk |= ARIZONA_AIF1_BCLK_INV;
984 lrclk |= ARIZONA_AIF1TX_LRCLK_INV;
986 case SND_SOC_DAIFMT_IB_NF:
987 bclk |= ARIZONA_AIF1_BCLK_INV;
989 case SND_SOC_DAIFMT_NB_IF:
990 lrclk |= ARIZONA_AIF1TX_LRCLK_INV;
996 regmap_update_bits_async(arizona->regmap, base + ARIZONA_AIF_BCLK_CTRL,
997 ARIZONA_AIF1_BCLK_INV |
998 ARIZONA_AIF1_BCLK_MSTR,
1000 regmap_update_bits_async(arizona->regmap, base + ARIZONA_AIF_TX_PIN_CTRL,
1001 ARIZONA_AIF1TX_LRCLK_INV |
1002 ARIZONA_AIF1TX_LRCLK_MSTR, lrclk);
1003 regmap_update_bits_async(arizona->regmap,
1004 base + ARIZONA_AIF_RX_PIN_CTRL,
1005 ARIZONA_AIF1RX_LRCLK_INV |
1006 ARIZONA_AIF1RX_LRCLK_MSTR, lrclk);
1007 regmap_update_bits(arizona->regmap, base + ARIZONA_AIF_FORMAT,
1008 ARIZONA_AIF1_FMT_MASK, mode);
1013 static const int arizona_48k_bclk_rates[] = {
1035 static const unsigned int arizona_48k_rates[] = {
1053 static const struct snd_pcm_hw_constraint_list arizona_48k_constraint = {
1054 .count = ARRAY_SIZE(arizona_48k_rates),
1055 .list = arizona_48k_rates,
1058 static const int arizona_44k1_bclk_rates[] = {
1080 static const unsigned int arizona_44k1_rates[] = {
1090 static const struct snd_pcm_hw_constraint_list arizona_44k1_constraint = {
1091 .count = ARRAY_SIZE(arizona_44k1_rates),
1092 .list = arizona_44k1_rates,
1095 static int arizona_sr_vals[] = {
1122 static int arizona_startup(struct snd_pcm_substream *substream,
1123 struct snd_soc_dai *dai)
1125 struct snd_soc_codec *codec = dai->codec;
1126 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1127 struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1];
1128 const struct snd_pcm_hw_constraint_list *constraint;
1129 unsigned int base_rate;
1131 switch (dai_priv->clk) {
1132 case ARIZONA_CLK_SYSCLK:
1133 base_rate = priv->sysclk;
1135 case ARIZONA_CLK_ASYNCCLK:
1136 base_rate = priv->asyncclk;
1145 if (base_rate % 8000)
1146 constraint = &arizona_44k1_constraint;
1148 constraint = &arizona_48k_constraint;
1150 return snd_pcm_hw_constraint_list(substream->runtime, 0,
1151 SNDRV_PCM_HW_PARAM_RATE,
1155 static void arizona_wm5102_set_dac_comp(struct snd_soc_codec *codec,
1158 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1159 struct arizona *arizona = priv->arizona;
1160 struct reg_default dac_comp[] = {
1162 { ARIZONA_DAC_COMP_1, 0 },
1163 { ARIZONA_DAC_COMP_2, 0 },
1167 mutex_lock(&codec->mutex);
1169 dac_comp[1].def = arizona->dac_comp_coeff;
1171 dac_comp[2].def = arizona->dac_comp_enabled;
1173 mutex_unlock(&codec->mutex);
1175 regmap_multi_reg_write(arizona->regmap,
1177 ARRAY_SIZE(dac_comp));
1180 static int arizona_hw_params_rate(struct snd_pcm_substream *substream,
1181 struct snd_pcm_hw_params *params,
1182 struct snd_soc_dai *dai)
1184 struct snd_soc_codec *codec = dai->codec;
1185 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1186 struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1];
1187 int base = dai->driver->base;
1191 * We will need to be more flexible than this in future,
1192 * currently we use a single sample rate for SYSCLK.
1194 for (i = 0; i < ARRAY_SIZE(arizona_sr_vals); i++)
1195 if (arizona_sr_vals[i] == params_rate(params))
1197 if (i == ARRAY_SIZE(arizona_sr_vals)) {
1198 arizona_aif_err(dai, "Unsupported sample rate %dHz\n",
1199 params_rate(params));
1204 switch (dai_priv->clk) {
1205 case ARIZONA_CLK_SYSCLK:
1206 switch (priv->arizona->type) {
1208 arizona_wm5102_set_dac_comp(codec,
1209 params_rate(params));
1215 snd_soc_update_bits(codec, ARIZONA_SAMPLE_RATE_1,
1216 ARIZONA_SAMPLE_RATE_1_MASK, sr_val);
1218 snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL,
1219 ARIZONA_AIF1_RATE_MASK, 0);
1221 case ARIZONA_CLK_ASYNCCLK:
1222 snd_soc_update_bits(codec, ARIZONA_ASYNC_SAMPLE_RATE_1,
1223 ARIZONA_ASYNC_SAMPLE_RATE_MASK, sr_val);
1225 snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL,
1226 ARIZONA_AIF1_RATE_MASK,
1227 8 << ARIZONA_AIF1_RATE_SHIFT);
1230 arizona_aif_err(dai, "Invalid clock %d\n", dai_priv->clk);
1237 static bool arizona_aif_cfg_changed(struct snd_soc_codec *codec,
1238 int base, int bclk, int lrclk, int frame)
1242 val = snd_soc_read(codec, base + ARIZONA_AIF_BCLK_CTRL);
1243 if (bclk != (val & ARIZONA_AIF1_BCLK_FREQ_MASK))
1246 val = snd_soc_read(codec, base + ARIZONA_AIF_TX_BCLK_RATE);
1247 if (lrclk != (val & ARIZONA_AIF1TX_BCPF_MASK))
1250 val = snd_soc_read(codec, base + ARIZONA_AIF_FRAME_CTRL_1);
1251 if (frame != (val & (ARIZONA_AIF1TX_WL_MASK |
1252 ARIZONA_AIF1TX_SLOT_LEN_MASK)))
1258 static int arizona_hw_params(struct snd_pcm_substream *substream,
1259 struct snd_pcm_hw_params *params,
1260 struct snd_soc_dai *dai)
1262 struct snd_soc_codec *codec = dai->codec;
1263 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1264 struct arizona *arizona = priv->arizona;
1265 int base = dai->driver->base;
1268 int channels = params_channels(params);
1269 int chan_limit = arizona->pdata.max_channels_clocked[dai->id - 1];
1270 int tdm_width = arizona->tdm_width[dai->id - 1];
1271 int tdm_slots = arizona->tdm_slots[dai->id - 1];
1272 int bclk, lrclk, wl, frame, bclk_target;
1274 unsigned int aif_tx_state, aif_rx_state;
1276 if (params_rate(params) % 8000)
1277 rates = &arizona_44k1_bclk_rates[0];
1279 rates = &arizona_48k_bclk_rates[0];
1281 wl = snd_pcm_format_width(params_format(params));
1284 arizona_aif_dbg(dai, "Configuring for %d %d bit TDM slots\n",
1285 tdm_slots, tdm_width);
1286 bclk_target = tdm_slots * tdm_width * params_rate(params);
1287 channels = tdm_slots;
1289 bclk_target = snd_soc_params_to_bclk(params);
1293 if (chan_limit && chan_limit < channels) {
1294 arizona_aif_dbg(dai, "Limiting to %d channels\n", chan_limit);
1295 bclk_target /= channels;
1296 bclk_target *= chan_limit;
1299 /* Force multiple of 2 channels for I2S mode */
1300 val = snd_soc_read(codec, base + ARIZONA_AIF_FORMAT);
1301 if ((channels & 1) && (val & ARIZONA_AIF1_FMT_MASK)) {
1302 arizona_aif_dbg(dai, "Forcing stereo mode\n");
1303 bclk_target /= channels;
1304 bclk_target *= channels + 1;
1307 for (i = 0; i < ARRAY_SIZE(arizona_44k1_bclk_rates); i++) {
1308 if (rates[i] >= bclk_target &&
1309 rates[i] % params_rate(params) == 0) {
1314 if (i == ARRAY_SIZE(arizona_44k1_bclk_rates)) {
1315 arizona_aif_err(dai, "Unsupported sample rate %dHz\n",
1316 params_rate(params));
1320 lrclk = rates[bclk] / params_rate(params);
1322 arizona_aif_dbg(dai, "BCLK %dHz LRCLK %dHz\n",
1323 rates[bclk], rates[bclk] / lrclk);
1325 frame = wl << ARIZONA_AIF1TX_WL_SHIFT | tdm_width;
1327 reconfig = arizona_aif_cfg_changed(codec, base, bclk, lrclk, frame);
1330 /* Save AIF TX/RX state */
1331 aif_tx_state = snd_soc_read(codec,
1332 base + ARIZONA_AIF_TX_ENABLES);
1333 aif_rx_state = snd_soc_read(codec,
1334 base + ARIZONA_AIF_RX_ENABLES);
1335 /* Disable AIF TX/RX before reconfiguring it */
1336 regmap_update_bits_async(arizona->regmap,
1337 base + ARIZONA_AIF_TX_ENABLES, 0xff, 0x0);
1338 regmap_update_bits(arizona->regmap,
1339 base + ARIZONA_AIF_RX_ENABLES, 0xff, 0x0);
1342 ret = arizona_hw_params_rate(substream, params, dai);
1347 regmap_update_bits_async(arizona->regmap,
1348 base + ARIZONA_AIF_BCLK_CTRL,
1349 ARIZONA_AIF1_BCLK_FREQ_MASK, bclk);
1350 regmap_update_bits_async(arizona->regmap,
1351 base + ARIZONA_AIF_TX_BCLK_RATE,
1352 ARIZONA_AIF1TX_BCPF_MASK, lrclk);
1353 regmap_update_bits_async(arizona->regmap,
1354 base + ARIZONA_AIF_RX_BCLK_RATE,
1355 ARIZONA_AIF1RX_BCPF_MASK, lrclk);
1356 regmap_update_bits_async(arizona->regmap,
1357 base + ARIZONA_AIF_FRAME_CTRL_1,
1358 ARIZONA_AIF1TX_WL_MASK |
1359 ARIZONA_AIF1TX_SLOT_LEN_MASK, frame);
1360 regmap_update_bits(arizona->regmap,
1361 base + ARIZONA_AIF_FRAME_CTRL_2,
1362 ARIZONA_AIF1RX_WL_MASK |
1363 ARIZONA_AIF1RX_SLOT_LEN_MASK, frame);
1368 /* Restore AIF TX/RX state */
1369 regmap_update_bits_async(arizona->regmap,
1370 base + ARIZONA_AIF_TX_ENABLES,
1371 0xff, aif_tx_state);
1372 regmap_update_bits(arizona->regmap,
1373 base + ARIZONA_AIF_RX_ENABLES,
1374 0xff, aif_rx_state);
1379 static const char *arizona_dai_clk_str(int clk_id)
1382 case ARIZONA_CLK_SYSCLK:
1384 case ARIZONA_CLK_ASYNCCLK:
1387 return "Unknown clock";
1391 static int arizona_dai_set_sysclk(struct snd_soc_dai *dai,
1392 int clk_id, unsigned int freq, int dir)
1394 struct snd_soc_codec *codec = dai->codec;
1395 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1396 struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1];
1397 struct snd_soc_dapm_route routes[2];
1400 case ARIZONA_CLK_SYSCLK:
1401 case ARIZONA_CLK_ASYNCCLK:
1407 if (clk_id == dai_priv->clk)
1411 dev_err(codec->dev, "Can't change clock on active DAI %d\n",
1416 dev_dbg(codec->dev, "Setting AIF%d to %s\n", dai->id + 1,
1417 arizona_dai_clk_str(clk_id));
1419 memset(&routes, 0, sizeof(routes));
1420 routes[0].sink = dai->driver->capture.stream_name;
1421 routes[1].sink = dai->driver->playback.stream_name;
1423 routes[0].source = arizona_dai_clk_str(dai_priv->clk);
1424 routes[1].source = arizona_dai_clk_str(dai_priv->clk);
1425 snd_soc_dapm_del_routes(&codec->dapm, routes, ARRAY_SIZE(routes));
1427 routes[0].source = arizona_dai_clk_str(clk_id);
1428 routes[1].source = arizona_dai_clk_str(clk_id);
1429 snd_soc_dapm_add_routes(&codec->dapm, routes, ARRAY_SIZE(routes));
1431 dai_priv->clk = clk_id;
1433 return snd_soc_dapm_sync(&codec->dapm);
1436 static int arizona_set_tristate(struct snd_soc_dai *dai, int tristate)
1438 struct snd_soc_codec *codec = dai->codec;
1439 int base = dai->driver->base;
1443 reg = ARIZONA_AIF1_TRI;
1447 return snd_soc_update_bits(codec, base + ARIZONA_AIF_RATE_CTRL,
1448 ARIZONA_AIF1_TRI, reg);
1451 static void arizona_set_channels_to_mask(struct snd_soc_dai *dai,
1453 int channels, unsigned int mask)
1455 struct snd_soc_codec *codec = dai->codec;
1456 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1457 struct arizona *arizona = priv->arizona;
1460 for (i = 0; i < channels; ++i) {
1461 slot = ffs(mask) - 1;
1465 regmap_write(arizona->regmap, base + i, slot);
1467 mask &= ~(1 << slot);
1471 arizona_aif_warn(dai, "Too many channels in TDM mask\n");
1474 static int arizona_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
1475 unsigned int rx_mask, int slots, int slot_width)
1477 struct snd_soc_codec *codec = dai->codec;
1478 struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
1479 struct arizona *arizona = priv->arizona;
1480 int base = dai->driver->base;
1481 int rx_max_chan = dai->driver->playback.channels_max;
1482 int tx_max_chan = dai->driver->capture.channels_max;
1484 /* Only support TDM for the physical AIFs */
1485 if (dai->id > ARIZONA_MAX_AIF)
1489 tx_mask = (1 << tx_max_chan) - 1;
1490 rx_mask = (1 << rx_max_chan) - 1;
1493 arizona_set_channels_to_mask(dai, base + ARIZONA_AIF_FRAME_CTRL_3,
1494 tx_max_chan, tx_mask);
1495 arizona_set_channels_to_mask(dai, base + ARIZONA_AIF_FRAME_CTRL_11,
1496 rx_max_chan, rx_mask);
1498 arizona->tdm_width[dai->id - 1] = slot_width;
1499 arizona->tdm_slots[dai->id - 1] = slots;
1504 const struct snd_soc_dai_ops arizona_dai_ops = {
1505 .startup = arizona_startup,
1506 .set_fmt = arizona_set_fmt,
1507 .set_tdm_slot = arizona_set_tdm_slot,
1508 .hw_params = arizona_hw_params,
1509 .set_sysclk = arizona_dai_set_sysclk,
1510 .set_tristate = arizona_set_tristate,
1512 EXPORT_SYMBOL_GPL(arizona_dai_ops);
1514 const struct snd_soc_dai_ops arizona_simple_dai_ops = {
1515 .startup = arizona_startup,
1516 .hw_params = arizona_hw_params_rate,
1517 .set_sysclk = arizona_dai_set_sysclk,
1519 EXPORT_SYMBOL_GPL(arizona_simple_dai_ops);
1521 int arizona_init_dai(struct arizona_priv *priv, int id)
1523 struct arizona_dai_priv *dai_priv = &priv->dai[id];
1525 dai_priv->clk = ARIZONA_CLK_SYSCLK;
1529 EXPORT_SYMBOL_GPL(arizona_init_dai);
1531 static irqreturn_t arizona_fll_clock_ok(int irq, void *data)
1533 struct arizona_fll *fll = data;
1535 arizona_fll_dbg(fll, "clock OK\n");
1548 { 0, 64000, 4, 16 },
1549 { 64000, 128000, 3, 8 },
1550 { 128000, 256000, 2, 4 },
1551 { 256000, 1000000, 1, 2 },
1552 { 1000000, 13500000, 0, 1 },
1561 { 256000, 1000000, 2 },
1562 { 1000000, 13500000, 4 },
1565 struct arizona_fll_cfg {
1575 static int arizona_validate_fll(struct arizona_fll *fll,
1579 unsigned int Fvco_min;
1581 if (fll->fout && Fout != fll->fout) {
1582 arizona_fll_err(fll,
1583 "Can't change output on active FLL\n");
1587 if (Fref / ARIZONA_FLL_MAX_REFDIV > ARIZONA_FLL_MAX_FREF) {
1588 arizona_fll_err(fll,
1589 "Can't scale %dMHz in to <=13.5MHz\n",
1594 Fvco_min = ARIZONA_FLL_MIN_FVCO * fll->vco_mult;
1595 if (Fout * ARIZONA_FLL_MAX_OUTDIV < Fvco_min) {
1596 arizona_fll_err(fll, "No FLL_OUTDIV for Fout=%uHz\n",
1604 static int arizona_find_fratio(unsigned int Fref, int *fratio)
1608 /* Find an appropriate FLL_FRATIO */
1609 for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) {
1610 if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) {
1612 *fratio = fll_fratios[i].fratio;
1613 return fll_fratios[i].ratio;
1620 static int arizona_calc_fratio(struct arizona_fll *fll,
1621 struct arizona_fll_cfg *cfg,
1622 unsigned int target,
1623 unsigned int Fref, bool sync)
1625 int init_ratio, ratio;
1628 /* Fref must be <=13.5MHz, find initial refdiv */
1631 while (Fref > ARIZONA_FLL_MAX_FREF) {
1636 if (div > ARIZONA_FLL_MAX_REFDIV)
1640 /* Find an appropriate FLL_FRATIO */
1641 init_ratio = arizona_find_fratio(Fref, &cfg->fratio);
1642 if (init_ratio < 0) {
1643 arizona_fll_err(fll, "Unable to find FRATIO for Fref=%uHz\n",
1648 switch (fll->arizona->type) {
1650 if (fll->arizona->rev < 3 || sync)
1657 cfg->fratio = init_ratio - 1;
1659 /* Adjust FRATIO/refdiv to avoid integer mode if possible */
1660 refdiv = cfg->refdiv;
1662 while (div <= ARIZONA_FLL_MAX_REFDIV) {
1663 for (ratio = init_ratio; ratio <= ARIZONA_FLL_MAX_FRATIO;
1665 if ((ARIZONA_FLL_VCO_CORNER / 2) /
1666 (fll->vco_mult * ratio) < Fref)
1669 if (target % (ratio * Fref)) {
1670 cfg->refdiv = refdiv;
1671 cfg->fratio = ratio - 1;
1676 for (ratio = init_ratio - 1; ratio > 0; ratio--) {
1677 if (target % (ratio * Fref)) {
1678 cfg->refdiv = refdiv;
1679 cfg->fratio = ratio - 1;
1687 init_ratio = arizona_find_fratio(Fref, NULL);
1690 arizona_fll_warn(fll, "Falling back to integer mode operation\n");
1691 return cfg->fratio + 1;
1694 static int arizona_calc_fll(struct arizona_fll *fll,
1695 struct arizona_fll_cfg *cfg,
1696 unsigned int Fref, bool sync)
1698 unsigned int target, div, gcd_fll;
1701 arizona_fll_dbg(fll, "Fref=%u Fout=%u\n", Fref, fll->fout);
1703 /* Fvco should be over the targt; don't check the upper bound */
1704 div = ARIZONA_FLL_MIN_OUTDIV;
1705 while (fll->fout * div < ARIZONA_FLL_MIN_FVCO * fll->vco_mult) {
1707 if (div > ARIZONA_FLL_MAX_OUTDIV)
1710 target = fll->fout * div / fll->vco_mult;
1713 arizona_fll_dbg(fll, "Fvco=%dHz\n", target);
1715 /* Find an appropriate FLL_FRATIO and refdiv */
1716 ratio = arizona_calc_fratio(fll, cfg, target, Fref, sync);
1720 /* Apply the division for our remaining calculations */
1721 Fref = Fref / (1 << cfg->refdiv);
1723 cfg->n = target / (ratio * Fref);
1725 if (target % (ratio * Fref)) {
1726 gcd_fll = gcd(target, ratio * Fref);
1727 arizona_fll_dbg(fll, "GCD=%u\n", gcd_fll);
1729 cfg->theta = (target - (cfg->n * ratio * Fref))
1731 cfg->lambda = (ratio * Fref) / gcd_fll;
1737 /* Round down to 16bit range with cost of accuracy lost.
1738 * Denominator must be bigger than numerator so we only
1741 while (cfg->lambda >= (1 << 16)) {
1746 for (i = 0; i < ARRAY_SIZE(fll_gains); i++) {
1747 if (fll_gains[i].min <= Fref && Fref <= fll_gains[i].max) {
1748 cfg->gain = fll_gains[i].gain;
1752 if (i == ARRAY_SIZE(fll_gains)) {
1753 arizona_fll_err(fll, "Unable to find gain for Fref=%uHz\n",
1758 arizona_fll_dbg(fll, "N=%x THETA=%x LAMBDA=%x\n",
1759 cfg->n, cfg->theta, cfg->lambda);
1760 arizona_fll_dbg(fll, "FRATIO=%x(%d) OUTDIV=%x REFCLK_DIV=%x\n",
1761 cfg->fratio, cfg->fratio, cfg->outdiv, cfg->refdiv);
1762 arizona_fll_dbg(fll, "GAIN=%d\n", cfg->gain);
1768 static void arizona_apply_fll(struct arizona *arizona, unsigned int base,
1769 struct arizona_fll_cfg *cfg, int source,
1772 regmap_update_bits_async(arizona->regmap, base + 3,
1773 ARIZONA_FLL1_THETA_MASK, cfg->theta);
1774 regmap_update_bits_async(arizona->regmap, base + 4,
1775 ARIZONA_FLL1_LAMBDA_MASK, cfg->lambda);
1776 regmap_update_bits_async(arizona->regmap, base + 5,
1777 ARIZONA_FLL1_FRATIO_MASK,
1778 cfg->fratio << ARIZONA_FLL1_FRATIO_SHIFT);
1779 regmap_update_bits_async(arizona->regmap, base + 6,
1780 ARIZONA_FLL1_CLK_REF_DIV_MASK |
1781 ARIZONA_FLL1_CLK_REF_SRC_MASK,
1782 cfg->refdiv << ARIZONA_FLL1_CLK_REF_DIV_SHIFT |
1783 source << ARIZONA_FLL1_CLK_REF_SRC_SHIFT);
1786 regmap_update_bits(arizona->regmap, base + 0x7,
1787 ARIZONA_FLL1_GAIN_MASK,
1788 cfg->gain << ARIZONA_FLL1_GAIN_SHIFT);
1790 regmap_update_bits(arizona->regmap, base + 0x5,
1791 ARIZONA_FLL1_OUTDIV_MASK,
1792 cfg->outdiv << ARIZONA_FLL1_OUTDIV_SHIFT);
1793 regmap_update_bits(arizona->regmap, base + 0x9,
1794 ARIZONA_FLL1_GAIN_MASK,
1795 cfg->gain << ARIZONA_FLL1_GAIN_SHIFT);
1798 regmap_update_bits_async(arizona->regmap, base + 2,
1799 ARIZONA_FLL1_CTRL_UPD | ARIZONA_FLL1_N_MASK,
1800 ARIZONA_FLL1_CTRL_UPD | cfg->n);
1803 static int arizona_is_enabled_fll(struct arizona_fll *fll)
1805 struct arizona *arizona = fll->arizona;
1809 ret = regmap_read(arizona->regmap, fll->base + 1, ®);
1811 arizona_fll_err(fll, "Failed to read current state: %d\n",
1816 return reg & ARIZONA_FLL1_ENA;
1819 static int arizona_enable_fll(struct arizona_fll *fll)
1821 struct arizona *arizona = fll->arizona;
1823 bool use_sync = false;
1824 int already_enabled = arizona_is_enabled_fll(fll);
1825 struct arizona_fll_cfg cfg;
1827 if (already_enabled < 0)
1828 return already_enabled;
1830 if (already_enabled) {
1831 /* Facilitate smooth refclk across the transition */
1832 regmap_update_bits_async(fll->arizona->regmap, fll->base + 0x7,
1833 ARIZONA_FLL1_GAIN_MASK, 0);
1834 regmap_update_bits_async(fll->arizona->regmap, fll->base + 1,
1835 ARIZONA_FLL1_FREERUN,
1836 ARIZONA_FLL1_FREERUN);
1840 * If we have both REFCLK and SYNCCLK then enable both,
1841 * otherwise apply the SYNCCLK settings to REFCLK.
1843 if (fll->ref_src >= 0 && fll->ref_freq &&
1844 fll->ref_src != fll->sync_src) {
1845 arizona_calc_fll(fll, &cfg, fll->ref_freq, false);
1847 arizona_apply_fll(arizona, fll->base, &cfg, fll->ref_src,
1849 if (fll->sync_src >= 0) {
1850 arizona_calc_fll(fll, &cfg, fll->sync_freq, true);
1852 arizona_apply_fll(arizona, fll->base + 0x10, &cfg,
1853 fll->sync_src, true);
1856 } else if (fll->sync_src >= 0) {
1857 arizona_calc_fll(fll, &cfg, fll->sync_freq, false);
1859 arizona_apply_fll(arizona, fll->base, &cfg,
1860 fll->sync_src, false);
1862 regmap_update_bits_async(arizona->regmap, fll->base + 0x11,
1863 ARIZONA_FLL1_SYNC_ENA, 0);
1865 arizona_fll_err(fll, "No clocks provided\n");
1870 * Increase the bandwidth if we're not using a low frequency
1873 if (use_sync && fll->sync_freq > 100000)
1874 regmap_update_bits_async(arizona->regmap, fll->base + 0x17,
1875 ARIZONA_FLL1_SYNC_BW, 0);
1877 regmap_update_bits_async(arizona->regmap, fll->base + 0x17,
1878 ARIZONA_FLL1_SYNC_BW,
1879 ARIZONA_FLL1_SYNC_BW);
1881 if (!already_enabled)
1882 pm_runtime_get(arizona->dev);
1884 /* Clear any pending completions */
1885 try_wait_for_completion(&fll->ok);
1887 regmap_update_bits_async(arizona->regmap, fll->base + 1,
1888 ARIZONA_FLL1_ENA, ARIZONA_FLL1_ENA);
1890 regmap_update_bits_async(arizona->regmap, fll->base + 0x11,
1891 ARIZONA_FLL1_SYNC_ENA,
1892 ARIZONA_FLL1_SYNC_ENA);
1894 if (already_enabled)
1895 regmap_update_bits_async(arizona->regmap, fll->base + 1,
1896 ARIZONA_FLL1_FREERUN, 0);
1898 ret = wait_for_completion_timeout(&fll->ok,
1899 msecs_to_jiffies(250));
1901 arizona_fll_warn(fll, "Timed out waiting for lock\n");
1906 static void arizona_disable_fll(struct arizona_fll *fll)
1908 struct arizona *arizona = fll->arizona;
1911 regmap_update_bits_async(arizona->regmap, fll->base + 1,
1912 ARIZONA_FLL1_FREERUN, ARIZONA_FLL1_FREERUN);
1913 regmap_update_bits_check(arizona->regmap, fll->base + 1,
1914 ARIZONA_FLL1_ENA, 0, &change);
1915 regmap_update_bits(arizona->regmap, fll->base + 0x11,
1916 ARIZONA_FLL1_SYNC_ENA, 0);
1917 regmap_update_bits_async(arizona->regmap, fll->base + 1,
1918 ARIZONA_FLL1_FREERUN, 0);
1921 pm_runtime_put_autosuspend(arizona->dev);
1924 int arizona_set_fll_refclk(struct arizona_fll *fll, int source,
1925 unsigned int Fref, unsigned int Fout)
1929 if (fll->ref_src == source && fll->ref_freq == Fref)
1932 if (fll->fout && Fref > 0) {
1933 ret = arizona_validate_fll(fll, Fref, fll->fout);
1938 fll->ref_src = source;
1939 fll->ref_freq = Fref;
1941 if (fll->fout && Fref > 0) {
1942 ret = arizona_enable_fll(fll);
1947 EXPORT_SYMBOL_GPL(arizona_set_fll_refclk);
1949 int arizona_set_fll(struct arizona_fll *fll, int source,
1950 unsigned int Fref, unsigned int Fout)
1954 if (fll->sync_src == source &&
1955 fll->sync_freq == Fref && fll->fout == Fout)
1959 if (fll->ref_src >= 0) {
1960 ret = arizona_validate_fll(fll, fll->ref_freq, Fout);
1965 ret = arizona_validate_fll(fll, Fref, Fout);
1970 fll->sync_src = source;
1971 fll->sync_freq = Fref;
1975 ret = arizona_enable_fll(fll);
1977 arizona_disable_fll(fll);
1981 EXPORT_SYMBOL_GPL(arizona_set_fll);
1983 int arizona_init_fll(struct arizona *arizona, int id, int base, int lock_irq,
1984 int ok_irq, struct arizona_fll *fll)
1989 init_completion(&fll->ok);
1993 fll->arizona = arizona;
1994 fll->sync_src = ARIZONA_FLL_SRC_NONE;
1996 /* Configure default refclk to 32kHz if we have one */
1997 regmap_read(arizona->regmap, ARIZONA_CLOCK_32K_1, &val);
1998 switch (val & ARIZONA_CLK_32K_SRC_MASK) {
1999 case ARIZONA_CLK_SRC_MCLK1:
2000 case ARIZONA_CLK_SRC_MCLK2:
2001 fll->ref_src = val & ARIZONA_CLK_32K_SRC_MASK;
2004 fll->ref_src = ARIZONA_FLL_SRC_NONE;
2006 fll->ref_freq = 32768;
2008 snprintf(fll->lock_name, sizeof(fll->lock_name), "FLL%d lock", id);
2009 snprintf(fll->clock_ok_name, sizeof(fll->clock_ok_name),
2010 "FLL%d clock OK", id);
2012 ret = arizona_request_irq(arizona, ok_irq, fll->clock_ok_name,
2013 arizona_fll_clock_ok, fll);
2015 dev_err(arizona->dev, "Failed to get FLL%d clock OK IRQ: %d\n",
2019 regmap_update_bits(arizona->regmap, fll->base + 1,
2020 ARIZONA_FLL1_FREERUN, 0);
2024 EXPORT_SYMBOL_GPL(arizona_init_fll);
2027 * arizona_set_output_mode - Set the mode of the specified output
2029 * @codec: Device to configure
2030 * @output: Output number
2031 * @diff: True to set the output to differential mode
2033 * Some systems use external analogue switches to connect more
2034 * analogue devices to the CODEC than are supported by the device. In
2035 * some systems this requires changing the switched output from single
2036 * ended to differential mode dynamically at runtime, an operation
2037 * supported using this function.
2039 * Most systems have a single static configuration and should use
2040 * platform data instead.
2042 int arizona_set_output_mode(struct snd_soc_codec *codec, int output, bool diff)
2044 unsigned int reg, val;
2046 if (output < 1 || output > 6)
2049 reg = ARIZONA_OUTPUT_PATH_CONFIG_1L + (output - 1) * 8;
2052 val = ARIZONA_OUT1_MONO;
2056 return snd_soc_update_bits(codec, reg, ARIZONA_OUT1_MONO, val);
2058 EXPORT_SYMBOL_GPL(arizona_set_output_mode);
2060 MODULE_DESCRIPTION("ASoC Wolfson Arizona class device support");
2061 MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
2062 MODULE_LICENSE("GPL");