max98390.c (a108772d03d8bdb43258218b00bfe43bbe1e8800) max98390.c (9dd28b467c35eef320a2974f6b1f209343ad8704)
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * max98390.c -- MAX98390 ALSA Soc Audio driver
4 *
5 * Copyright (C) 2020 Maxim Integrated Products
6 *
7 */
8

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156 {DSMIG_DEBUZZER_ALPHA_COEF_TEST_ONLY, 0x08},
157 {DSM_VOL_ENA, 0x20},
158 {DSM_VOL_CTRL, 0xa0},
159 {DSMIG_EN, 0x00},
160 {MAX98390_R23E1_DSP_GLOBAL_EN, 0x00},
161 {MAX98390_R23FF_GLOBAL_EN, 0x00},
162};
163
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * max98390.c -- MAX98390 ALSA Soc Audio driver
4 *
5 * Copyright (C) 2020 Maxim Integrated Products
6 *
7 */
8

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156 {DSMIG_DEBUZZER_ALPHA_COEF_TEST_ONLY, 0x08},
157 {DSM_VOL_ENA, 0x20},
158 {DSM_VOL_CTRL, 0xa0},
159 {DSMIG_EN, 0x00},
160 {MAX98390_R23E1_DSP_GLOBAL_EN, 0x00},
161 {MAX98390_R23FF_GLOBAL_EN, 0x00},
162};
163
164static int max98390_dsm_calibrate(struct snd_soc_component *component);
165
166static int max98390_dai_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
167{
168 struct snd_soc_component *component = codec_dai->component;
169 struct max98390_priv *max98390 =
170 snd_soc_component_get_drvdata(component);
171 unsigned int mode;
172 unsigned int format;
173 unsigned int invert = 0;

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630{
631 /* Do nothing */
632 return 0;
633}
634
635static int max98390_dsm_calib_put(struct snd_kcontrol *kcontrol,
636 struct snd_ctl_elem_value *ucontrol)
637{
164static int max98390_dai_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
165{
166 struct snd_soc_component *component = codec_dai->component;
167 struct max98390_priv *max98390 =
168 snd_soc_component_get_drvdata(component);
169 unsigned int mode;
170 unsigned int format;
171 unsigned int invert = 0;

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628{
629 /* Do nothing */
630 return 0;
631}
632
633static int max98390_dsm_calib_put(struct snd_kcontrol *kcontrol,
634 struct snd_ctl_elem_value *ucontrol)
635{
638 struct snd_soc_component *component =
639 snd_soc_kcontrol_component(kcontrol);
636 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
637 struct max98390_priv *max98390 = snd_soc_component_get_drvdata(component);
638 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
639 unsigned int rdc, rdc_cal_result, rdc_integer, rdc_factor, temp, val;
640
640
641 max98390_dsm_calibrate(component);
641 snd_soc_dapm_mutex_lock(dapm);
642
642
643 regmap_read(max98390->regmap, MAX98390_R23FF_GLOBAL_EN, &val);
644 if (!val) {
645 /* Enable the codec for the duration of calibration readout */
646 regmap_update_bits(max98390->regmap, MAX98390_R203A_AMP_EN,
647 MAX98390_AMP_EN_MASK, 1);
648 regmap_update_bits(max98390->regmap, MAX98390_R23FF_GLOBAL_EN,
649 MAX98390_GLOBAL_EN_MASK, 1);
650 }
651
652 regmap_read(max98390->regmap, THERMAL_RDC_RD_BACK_BYTE1, &rdc);
653 regmap_read(max98390->regmap, THERMAL_RDC_RD_BACK_BYTE0, &rdc_cal_result);
654 regmap_read(max98390->regmap, MAX98390_MEAS_ADC_CH2_READ, &temp);
655
656 if (!val) {
657 /* Disable the codec if it was disabled */
658 regmap_update_bits(max98390->regmap, MAX98390_R23FF_GLOBAL_EN,
659 MAX98390_GLOBAL_EN_MASK, 0);
660 regmap_update_bits(max98390->regmap, MAX98390_R203A_AMP_EN,
661 MAX98390_AMP_EN_MASK, 0);
662 }
663
664 snd_soc_dapm_mutex_unlock(dapm);
665
666 rdc_cal_result |= (rdc << 8) & 0x0000FFFF;
667 if (rdc_cal_result)
668 max98390->ref_rdc_value = 268435456U / rdc_cal_result;
669
670 max98390->ambient_temp_value = temp * 52 - 1188;
671
672 rdc_integer = rdc_cal_result * 937 / 65536;
673 rdc_factor = ((rdc_cal_result * 937 * 100) / 65536) - (rdc_integer * 100);
674
675 dev_info(component->dev,
676 "rdc resistance about %d.%02d ohm, reg=0x%X temp reg=0x%X\n",
677 rdc_integer, rdc_factor, rdc_cal_result, temp);
678
643 return 0;
644}
645
646static const struct snd_kcontrol_new max98390_snd_controls[] = {
647 SOC_SINGLE_TLV("Digital Volume", DSM_VOL_CTRL,
648 0, 184, 0,
649 max98390_digital_tlv),
650 SOC_SINGLE_TLV("Speaker Volume", MAX98390_R203D_SPK_GAIN,

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814 regmap_write(max98390->regmap, MAX98390_R23E1_DSP_GLOBAL_EN, 0x01);
815
816err_alloc:
817 release_firmware(fw);
818err:
819 return ret;
820}
821
679 return 0;
680}
681
682static const struct snd_kcontrol_new max98390_snd_controls[] = {
683 SOC_SINGLE_TLV("Digital Volume", DSM_VOL_CTRL,
684 0, 184, 0,
685 max98390_digital_tlv),
686 SOC_SINGLE_TLV("Speaker Volume", MAX98390_R203D_SPK_GAIN,

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850 regmap_write(max98390->regmap, MAX98390_R23E1_DSP_GLOBAL_EN, 0x01);
851
852err_alloc:
853 release_firmware(fw);
854err:
855 return ret;
856}
857
822static int max98390_dsm_calibrate(struct snd_soc_component *component)
823{
824 unsigned int rdc, rdc_cal_result, temp;
825 unsigned int rdc_integer, rdc_factor;
826 struct max98390_priv *max98390 =
827 snd_soc_component_get_drvdata(component);
828
829 regmap_write(max98390->regmap, MAX98390_R203A_AMP_EN, 0x81);
830 regmap_write(max98390->regmap, MAX98390_R23FF_GLOBAL_EN, 0x01);
831
832 regmap_read(max98390->regmap,
833 THERMAL_RDC_RD_BACK_BYTE1, &rdc);
834 regmap_read(max98390->regmap,
835 THERMAL_RDC_RD_BACK_BYTE0, &rdc_cal_result);
836 rdc_cal_result |= (rdc << 8) & 0x0000FFFF;
837 if (rdc_cal_result)
838 max98390->ref_rdc_value = 268435456U / rdc_cal_result;
839
840 regmap_read(max98390->regmap, MAX98390_MEAS_ADC_CH2_READ, &temp);
841 max98390->ambient_temp_value = temp * 52 - 1188;
842
843 rdc_integer = rdc_cal_result * 937 / 65536;
844 rdc_factor = ((rdc_cal_result * 937 * 100) / 65536)
845 - (rdc_integer * 100);
846
847 dev_info(component->dev, "rdc resistance about %d.%02d ohm, reg=0x%X temp reg=0x%X\n",
848 rdc_integer, rdc_factor, rdc_cal_result, temp);
849
850 regmap_write(max98390->regmap, MAX98390_R23FF_GLOBAL_EN, 0x00);
851 regmap_write(max98390->regmap, MAX98390_R203A_AMP_EN, 0x80);
852
853 return 0;
854}
855
856static void max98390_init_regs(struct snd_soc_component *component)
857{
858 struct max98390_priv *max98390 =
859 snd_soc_component_get_drvdata(component);
860
861 regmap_write(max98390->regmap, MAX98390_CLK_MON, 0x6f);
862 regmap_write(max98390->regmap, MAX98390_DAT_MON, 0x00);
863 regmap_write(max98390->regmap, MAX98390_PWR_GATE_CTL, 0x00);

--- 279 unchanged lines hidden --- 		858static void max98390_init_regs(struct snd_soc_component *component)
859{
860 struct max98390_priv *max98390 =
861 snd_soc_component_get_drvdata(component);
862
863 regmap_write(max98390->regmap, MAX98390_CLK_MON, 0x6f);
864 regmap_write(max98390->regmap, MAX98390_DAT_MON, 0x00);
865 regmap_write(max98390->regmap, MAX98390_PWR_GATE_CTL, 0x00);

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