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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d 
 kernel/sound/soc/codecs/da7219-aad.c
....@@ -1,14 +1,10 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  * da7219-aad.c - Dialog DA7219 ALSA SoC AAD Driver
34  *
45  * Copyright (c) 2015 Dialog Semiconductor Ltd.
56  *
67  * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
7
- *
8
- * This program is free software; you can redistribute  it and/or modify it
9
- * under  the terms of  the GNU General  Public License as published by the
10
- * Free Software Foundation;  either version 2 of the  License, or (at your
11
- * option) any later version.
128  */
139 
1410 #include <linux/module.h>
....@@ -77,7 +73,7 @@
7773 	snd_soc_dapm_sync(dapm);
7874 
7975 	do {
80
-		statusa = snd_soc_component_read32(component, DA7219_ACCDET_STATUS_A);
76
+		statusa = snd_soc_component_read(component, DA7219_ACCDET_STATUS_A);
8177 		if (statusa & DA7219_MICBIAS_UP_STS_MASK)
8278 			micbias_up = true;
8379 		else if (retries++ < DA7219_AAD_MICBIAS_CHK_RETRIES)
....@@ -95,7 +91,7 @@
9591 	 */
9692 	if (da7219_aad->micbias_pulse_lvl && da7219_aad->micbias_pulse_time) {
9793 		/* Pulse higher level voltage */
98
-		micbias_ctrl = snd_soc_component_read32(component, DA7219_MICBIAS_CTRL);
94
+		micbias_ctrl = snd_soc_component_read(component, DA7219_MICBIAS_CTRL);
9995 		snd_soc_component_update_bits(component, DA7219_MICBIAS_CTRL,
10096 				    DA7219_MICBIAS1_LEVEL_MASK,
10197 				    da7219_aad->micbias_pulse_lvl);
....@@ -117,7 +113,7 @@
117113 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
118114 	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
119115 
120
-	u16 tonegen_freq_hptest;
116
+	__le16 tonegen_freq_hptest;
121117 	u8 pll_srm_sts, pll_ctrl, gain_ramp_ctrl, accdet_cfg8;
122118 	int report = 0, ret = 0;
123119 
....@@ -145,11 +141,11 @@
145141 	 * If MCLK is present, but PLL is not enabled then we enable it here to
146142 	 * ensure a consistent detection procedure.
147143 	 */
148
-	pll_srm_sts = snd_soc_component_read32(component, DA7219_PLL_SRM_STS);
144
+	pll_srm_sts = snd_soc_component_read(component, DA7219_PLL_SRM_STS);
149145 	if (pll_srm_sts & DA7219_PLL_SRM_STS_MCLK) {
150146 		tonegen_freq_hptest = cpu_to_le16(DA7219_AAD_HPTEST_RAMP_FREQ);
151147 
152
-		pll_ctrl = snd_soc_component_read32(component, DA7219_PLL_CTRL);
148
+		pll_ctrl = snd_soc_component_read(component, DA7219_PLL_CTRL);
153149 		if ((pll_ctrl & DA7219_PLL_MODE_MASK) == DA7219_PLL_MODE_BYPASS)
154150 			da7219_set_pll(component, DA7219_SYSCLK_PLL,
155151 				       DA7219_PLL_FREQ_OUT_98304);
....@@ -158,7 +154,7 @@
158154 	}
159155 
160156 	/* Ensure gain ramping at fastest rate */
161
-	gain_ramp_ctrl = snd_soc_component_read32(component, DA7219_GAIN_RAMP_CTRL);
157
+	gain_ramp_ctrl = snd_soc_component_read(component, DA7219_GAIN_RAMP_CTRL);
162158 	snd_soc_component_write(component, DA7219_GAIN_RAMP_CTRL, DA7219_GAIN_RAMP_RATE_X8);
163159 
164160 	/* Bypass cache so it saves current settings */
....@@ -252,7 +248,7 @@
252248 	msleep(DA7219_AAD_HPTEST_PERIOD);
253249 
254250 	/* Grab comparator reading */
255
-	accdet_cfg8 = snd_soc_component_read32(component, DA7219_ACCDET_CONFIG_8);
251
+	accdet_cfg8 = snd_soc_component_read(component, DA7219_ACCDET_CONFIG_8);
256252 	if (accdet_cfg8 & DA7219_HPTEST_COMP_MASK)
257253 		report |= SND_JACK_HEADPHONE;
258254 	else
....@@ -361,7 +357,7 @@
361357 		return IRQ_NONE;
362358 
363359 	/* Read status register for jack insertion & type status */
364
-	statusa = snd_soc_component_read32(component, DA7219_ACCDET_STATUS_A);
360
+	statusa = snd_soc_component_read(component, DA7219_ACCDET_STATUS_A);
365361 
366362 	/* Clear events */
367363 	regmap_bulk_write(da7219->regmap, DA7219_ACCDET_IRQ_EVENT_A,
....@@ -464,7 +460,7 @@
464460  */
465461 
466462 static enum da7219_aad_micbias_pulse_lvl
467
-	da7219_aad_fw_micbias_pulse_lvl(struct snd_soc_component *component, u32 val)
463
+	da7219_aad_fw_micbias_pulse_lvl(struct device *dev, u32 val)
468464 {
469465 	switch (val) {
470466 	case 2800:
....@@ -472,13 +468,13 @@
472468 	case 2900:
473469 		return DA7219_AAD_MICBIAS_PULSE_LVL_2_9V;
474470 	default:
475
-		dev_warn(component->dev, "Invalid micbias pulse level");
471
+		dev_warn(dev, "Invalid micbias pulse level");
476472 		return DA7219_AAD_MICBIAS_PULSE_LVL_OFF;
477473 	}
478474 }
479475 
480476 static enum da7219_aad_btn_cfg
481
-	da7219_aad_fw_btn_cfg(struct snd_soc_component *component, u32 val)
477
+	da7219_aad_fw_btn_cfg(struct device *dev, u32 val)
482478 {
483479 	switch (val) {
484480 	case 2:
....@@ -496,13 +492,13 @@
496492 	case 500:
497493 		return DA7219_AAD_BTN_CFG_500MS;
498494 	default:
499
-		dev_warn(component->dev, "Invalid button config");
495
+		dev_warn(dev, "Invalid button config");
500496 		return DA7219_AAD_BTN_CFG_10MS;
501497 	}
502498 }
503499 
504500 static enum da7219_aad_mic_det_thr
505
-	da7219_aad_fw_mic_det_thr(struct snd_soc_component *component, u32 val)
501
+	da7219_aad_fw_mic_det_thr(struct device *dev, u32 val)
506502 {
507503 	switch (val) {
508504 	case 200:
....@@ -514,13 +510,13 @@
514510 	case 1000:
515511 		return DA7219_AAD_MIC_DET_THR_1000_OHMS;
516512 	default:
517
-		dev_warn(component->dev, "Invalid mic detect threshold");
513
+		dev_warn(dev, "Invalid mic detect threshold");
518514 		return DA7219_AAD_MIC_DET_THR_500_OHMS;
519515 	}
520516 }
521517 
522518 static enum da7219_aad_jack_ins_deb
523
-	da7219_aad_fw_jack_ins_deb(struct snd_soc_component *component, u32 val)
519
+	da7219_aad_fw_jack_ins_deb(struct device *dev, u32 val)
524520 {
525521 	switch (val) {
526522 	case 5:
....@@ -540,13 +536,13 @@
540536 	case 1000:
541537 		return DA7219_AAD_JACK_INS_DEB_1S;
542538 	default:
543
-		dev_warn(component->dev, "Invalid jack insert debounce");
539
+		dev_warn(dev, "Invalid jack insert debounce");
544540 		return DA7219_AAD_JACK_INS_DEB_20MS;
545541 	}
546542 }
547543 
548544 static enum da7219_aad_jack_det_rate
549
-	da7219_aad_fw_jack_det_rate(struct snd_soc_component *component, const char *str)
545
+	da7219_aad_fw_jack_det_rate(struct device *dev, const char *str)
550546 {
551547 	if (!strcmp(str, "32ms_64ms")) {
552548 		return DA7219_AAD_JACK_DET_RATE_32_64MS;
....@@ -557,13 +553,13 @@
557553 	} else if (!strcmp(str, "256ms_512ms")) {
558554 		return DA7219_AAD_JACK_DET_RATE_256_512MS;
559555 	} else {
560
-		dev_warn(component->dev, "Invalid jack detect rate");
556
+		dev_warn(dev, "Invalid jack detect rate");
561557 		return DA7219_AAD_JACK_DET_RATE_256_512MS;
562558 	}
563559 }
564560 
565561 static enum da7219_aad_jack_rem_deb
566
-	da7219_aad_fw_jack_rem_deb(struct snd_soc_component *component, u32 val)
562
+	da7219_aad_fw_jack_rem_deb(struct device *dev, u32 val)
567563 {
568564 	switch (val) {
569565 	case 1:
....@@ -575,13 +571,13 @@
575571 	case 20:
576572 		return DA7219_AAD_JACK_REM_DEB_20MS;
577573 	default:
578
-		dev_warn(component->dev, "Invalid jack removal debounce");
574
+		dev_warn(dev, "Invalid jack removal debounce");
579575 		return DA7219_AAD_JACK_REM_DEB_1MS;
580576 	}
581577 }
582578 
583579 static enum da7219_aad_btn_avg
584
-	da7219_aad_fw_btn_avg(struct snd_soc_component *component, u32 val)
580
+	da7219_aad_fw_btn_avg(struct device *dev, u32 val)
585581 {
586582 	switch (val) {
587583 	case 1:
....@@ -593,13 +589,13 @@
593589 	case 8:
594590 		return DA7219_AAD_BTN_AVG_8;
595591 	default:
596
-		dev_warn(component->dev, "Invalid button average value");
592
+		dev_warn(dev, "Invalid button average value");
597593 		return DA7219_AAD_BTN_AVG_2;
598594 	}
599595 }
600596 
601597 static enum da7219_aad_adc_1bit_rpt
602
-	da7219_aad_fw_adc_1bit_rpt(struct snd_soc_component *component, u32 val)
598
+	da7219_aad_fw_adc_1bit_rpt(struct device *dev, u32 val)
603599 {
604600 	switch (val) {
605601 	case 1:
....@@ -611,14 +607,13 @@
611607 	case 8:
612608 		return DA7219_AAD_ADC_1BIT_RPT_8;
613609 	default:
614
-		dev_warn(component->dev, "Invalid ADC 1-bit repeat value");
610
+		dev_warn(dev, "Invalid ADC 1-bit repeat value");
615611 		return DA7219_AAD_ADC_1BIT_RPT_1;
616612 	}
617613 }
618614 
619
-static struct da7219_aad_pdata *da7219_aad_fw_to_pdata(struct snd_soc_component *component)
615
+static struct da7219_aad_pdata *da7219_aad_fw_to_pdata(struct device *dev)
620616 {
621
-	struct device *dev = component->dev;
622617 	struct i2c_client *i2c = to_i2c_client(dev);
623618 	struct fwnode_handle *aad_np;
624619 	struct da7219_aad_pdata *aad_pdata;
....@@ -638,7 +633,7 @@
638633 	if (fwnode_property_read_u32(aad_np, "dlg,micbias-pulse-lvl",
639634 				     &fw_val32) >= 0)
640635 		aad_pdata->micbias_pulse_lvl =
641
-			da7219_aad_fw_micbias_pulse_lvl(component, fw_val32);
636
+			da7219_aad_fw_micbias_pulse_lvl(dev, fw_val32);
642637 	else
643638 		aad_pdata->micbias_pulse_lvl = DA7219_AAD_MICBIAS_PULSE_LVL_OFF;
644639 
....@@ -647,31 +642,31 @@
647642 		aad_pdata->micbias_pulse_time = fw_val32;
648643 
649644 	if (fwnode_property_read_u32(aad_np, "dlg,btn-cfg", &fw_val32) >= 0)
650
-		aad_pdata->btn_cfg = da7219_aad_fw_btn_cfg(component, fw_val32);
645
+		aad_pdata->btn_cfg = da7219_aad_fw_btn_cfg(dev, fw_val32);
651646 	else
652647 		aad_pdata->btn_cfg = DA7219_AAD_BTN_CFG_10MS;
653648 
654649 	if (fwnode_property_read_u32(aad_np, "dlg,mic-det-thr", &fw_val32) >= 0)
655650 		aad_pdata->mic_det_thr =
656
-			da7219_aad_fw_mic_det_thr(component, fw_val32);
651
+			da7219_aad_fw_mic_det_thr(dev, fw_val32);
657652 	else
658653 		aad_pdata->mic_det_thr = DA7219_AAD_MIC_DET_THR_500_OHMS;
659654 
660655 	if (fwnode_property_read_u32(aad_np, "dlg,jack-ins-deb", &fw_val32) >= 0)
661656 		aad_pdata->jack_ins_deb =
662
-			da7219_aad_fw_jack_ins_deb(component, fw_val32);
657
+			da7219_aad_fw_jack_ins_deb(dev, fw_val32);
663658 	else
664659 		aad_pdata->jack_ins_deb = DA7219_AAD_JACK_INS_DEB_20MS;
665660 
666661 	if (!fwnode_property_read_string(aad_np, "dlg,jack-det-rate", &fw_str))
667662 		aad_pdata->jack_det_rate =
668
-			da7219_aad_fw_jack_det_rate(component, fw_str);
663
+			da7219_aad_fw_jack_det_rate(dev, fw_str);
669664 	else
670665 		aad_pdata->jack_det_rate = DA7219_AAD_JACK_DET_RATE_256_512MS;
671666 
672667 	if (fwnode_property_read_u32(aad_np, "dlg,jack-rem-deb", &fw_val32) >= 0)
673668 		aad_pdata->jack_rem_deb =
674
-			da7219_aad_fw_jack_rem_deb(component, fw_val32);
669
+			da7219_aad_fw_jack_rem_deb(dev, fw_val32);
675670 	else
676671 		aad_pdata->jack_rem_deb = DA7219_AAD_JACK_REM_DEB_1MS;
677672 
....@@ -696,13 +691,13 @@
696691 		aad_pdata->c_mic_btn_thr = 0x3E;
697692 
698693 	if (fwnode_property_read_u32(aad_np, "dlg,btn-avg", &fw_val32) >= 0)
699
-		aad_pdata->btn_avg = da7219_aad_fw_btn_avg(component, fw_val32);
694
+		aad_pdata->btn_avg = da7219_aad_fw_btn_avg(dev, fw_val32);
700695 	else
701696 		aad_pdata->btn_avg = DA7219_AAD_BTN_AVG_2;
702697 
703698 	if (fwnode_property_read_u32(aad_np, "dlg,adc-1bit-rpt", &fw_val32) >= 0)
704699 		aad_pdata->adc_1bit_rpt =
705
-			da7219_aad_fw_adc_1bit_rpt(component, fw_val32);
700
+			da7219_aad_fw_adc_1bit_rpt(dev, fw_val32);
706701 	else
707702 		aad_pdata->adc_1bit_rpt = DA7219_AAD_ADC_1BIT_RPT_1;
708703 
....@@ -851,7 +846,7 @@
851846 		 * suspend then this will be dealt with through the IRQ handler.
852847 		 */
853848 		if (da7219_aad->jack_inserted) {
854
-			micbias_ctrl = snd_soc_component_read32(component, DA7219_MICBIAS_CTRL);
849
+			micbias_ctrl = snd_soc_component_read(component, DA7219_MICBIAS_CTRL);
855850 			if (micbias_ctrl & DA7219_MICBIAS1_EN_MASK) {
856851 				snd_soc_dapm_disable_pin(dapm, "Mic Bias");
857852 				snd_soc_dapm_sync(dapm);
....@@ -891,21 +886,13 @@
891886 int da7219_aad_init(struct snd_soc_component *component)
892887 {
893888 	struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
894
-	struct da7219_aad_priv *da7219_aad;
889
+	struct da7219_aad_priv *da7219_aad = da7219->aad;
895890 	u8 mask[DA7219_AAD_IRQ_REG_MAX];
896891 	int ret;
897892 
898
-	da7219_aad = devm_kzalloc(component->dev, sizeof(*da7219_aad), GFP_KERNEL);
899
-	if (!da7219_aad)
900
-		return -ENOMEM;
901
-
902
-	da7219->aad = da7219_aad;
903893 	da7219_aad->component = component;
904894 
905895 	/* Handle any DT/ACPI/platform data */
906
-	if (da7219->pdata && !da7219->pdata->aad_pdata)
907
-		da7219->pdata->aad_pdata = da7219_aad_fw_to_pdata(component);
908
-
909896 	da7219_aad_handle_pdata(component);
910897 
911898 	/* Disable button detection */
....@@ -951,6 +938,30 @@
951938 }
952939 EXPORT_SYMBOL_GPL(da7219_aad_exit);
953940 
941
+/*
942
+ * AAD related I2C probe handling
943
+ */
944
+
945
+int da7219_aad_probe(struct i2c_client *i2c)
946
+{
947
+	struct da7219_priv *da7219 = i2c_get_clientdata(i2c);
948
+	struct device *dev = &i2c->dev;
949
+	struct da7219_aad_priv *da7219_aad;
950
+
951
+	da7219_aad = devm_kzalloc(dev, sizeof(*da7219_aad), GFP_KERNEL);
952
+	if (!da7219_aad)
953
+		return -ENOMEM;
954
+
955
+	da7219->aad = da7219_aad;
956
+
957
+	/* Retrieve any DT/ACPI/platform data */
958
+	if (da7219->pdata && !da7219->pdata->aad_pdata)
959
+		da7219->pdata->aad_pdata = da7219_aad_fw_to_pdata(dev);
960
+
961
+	return 0;
962
+}
963
+EXPORT_SYMBOL_GPL(da7219_aad_probe);
964
+
954965 MODULE_DESCRIPTION("ASoC DA7219 AAD Driver");
955966 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
956967 MODULE_LICENSE("GPL");