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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d 
 kernel/sound/soc/codecs/rt5651.c
....@@ -1,19 +1,16 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
23  * rt5651.c  --  RT5651 ALSA SoC audio codec driver
34  *
45  * Copyright 2014 Realtek Semiconductor Corp.
56  * Author: Bard Liao <bardliao@realtek.com>
6
- *
7
- * This program is free software; you can redistribute it and/or modify
8
- * it under the terms of the GNU General Public License version 2 as
9
- * published by the Free Software Foundation.
107  */
118 
129 #include <linux/module.h>
13
-#include <linux/moduleparam.h>
1410 #include <linux/init.h>
1511 #include <linux/delay.h>
1612 #include <linux/pm.h>
13
+#include <linux/gpio/consumer.h>
1714 #include <linux/i2c.h>
1815 #include <linux/regmap.h>
1916 #include <linux/platform_device.h>
....@@ -316,8 +313,7 @@
316313 		regmap_write(rt5651->regmap, 0x83, 0x1000);
317314 		regmap_write(rt5651->regmap, 0x84, 0x7000);
318315 		snd_soc_component_update_bits(component, 0x64, 0x0200, 0x0200);
319
-		snd_soc_component_update_bits(component, RT5651_D_MISC, 0xc00,
320
-						0xc00);
316
+		snd_soc_component_update_bits(component, RT5651_D_MISC, 0xc00, 0xc00);
321317 	} else {
322318 		regmap_write(rt5651->regmap, 0x83, 0x0);
323319 		regmap_write(rt5651->regmap, 0x84, 0x0);
....@@ -793,11 +789,11 @@
793789 			RT5651_HP_CP_PD | RT5651_HP_SG_EN);
794790 		regmap_update_bits(rt5651->regmap, RT5651_PR_BASE +
795791 			RT5651_CHPUMP_INT_REG1, 0x0700, 0x0400);
796
-		rt5651->hp_mute = 0;
792
+		rt5651->hp_mute = false;
797793 		break;
798794 
799795 	case SND_SOC_DAPM_PRE_PMD:
800
-		rt5651->hp_mute = 1;
796
+		rt5651->hp_mute = true;
801797 		usleep_range(70000, 75000);
802798 		break;
803799 
....@@ -1566,7 +1562,7 @@
15661562 		if (SND_SOC_BIAS_STANDBY == snd_soc_component_get_bias_level(component)) {
15671563 			if (!IS_ERR(rt5651->mclk))
15681564 				clk_prepare_enable(rt5651->mclk);
1569
-			if (snd_soc_component_read32(component, RT5651_PLL_MODE_1) & 0x9200)
1565
+			if (snd_soc_component_read(component, RT5651_PLL_MODE_1) & 0x9200)
15701566 				snd_soc_component_update_bits(component, RT5651_D_MISC,
15711567 						    0xc00, 0xc00);
15721568 		}
....@@ -1663,7 +1659,7 @@
16631659 {
16641660 	int val;
16651661 
1666
-	val = snd_soc_component_read32(component, RT5651_IRQ_CTRL2);
1662
+	val = snd_soc_component_read(component, RT5651_IRQ_CTRL2);
16671663 	dev_dbg(component->dev, "irq ctrl2 %#04x\n", val);
16681664 
16691665 	return (val & RT5651_MB1_OC_CLR);
....@@ -1674,7 +1670,13 @@
16741670 	struct rt5651_priv *rt5651 = snd_soc_component_get_drvdata(component);
16751671 	int val;
16761672 
1677
-	val = snd_soc_component_read32(component, RT5651_INT_IRQ_ST);
1673
+	if (rt5651->gpiod_hp_det) {
1674
+		val = gpiod_get_value_cansleep(rt5651->gpiod_hp_det);
1675
+		dev_dbg(component->dev, "jack-detect gpio %d\n", val);
1676
+		return val;
1677
+	}
1678
+
1679
+	val = snd_soc_component_read(component, RT5651_INT_IRQ_ST);
16781680 	dev_dbg(component->dev, "irq status %#04x\n", val);
16791681 
16801682 	switch (rt5651->jd_src) {
....@@ -1691,7 +1693,10 @@
16911693 		break;
16921694 	}
16931695 
1694
-	return val == 0;
1696
+	if (rt5651->jd_active_high)
1697
+		return val != 0;
1698
+	else
1699
+		return val == 0;
16951700 }
16961701 
16971702 /* Jack detect and button-press timings */
....@@ -1814,6 +1819,16 @@
18141819 	return SND_JACK_HEADPHONE;
18151820 }
18161821 
1822
+static bool rt5651_support_button_press(struct rt5651_priv *rt5651)
1823
+{
1824
+	if (!rt5651->hp_jack)
1825
+		return false;
1826
+
1827
+	/* Button press support only works with internal jack-detection */
1828
+	return (rt5651->hp_jack->status & SND_JACK_MICROPHONE) &&
1829
+		rt5651->gpiod_hp_det == NULL;
1830
+}
1831
+
18171832 static void rt5651_jack_detect_work(struct work_struct *work)
18181833 {
18191834 	struct rt5651_priv *rt5651 =
....@@ -1838,15 +1853,15 @@
18381853 		WARN_ON(rt5651->ovcd_irq_enabled);
18391854 		rt5651_enable_micbias1_for_ovcd(component);
18401855 		report = rt5651_detect_headset(component);
1841
-		if (report == SND_JACK_HEADSET) {
1856
+		dev_dbg(component->dev, "detect report %#02x\n", report);
1857
+		snd_soc_jack_report(rt5651->hp_jack, report, SND_JACK_HEADSET);
1858
+		if (rt5651_support_button_press(rt5651)) {
18421859 			/* Enable ovcd IRQ for button press detect. */
18431860 			rt5651_enable_micbias1_ovcd_irq(component);
18441861 		} else {
18451862 			/* No more need for overcurrent detect. */
18461863 			rt5651_disable_micbias1_for_ovcd(component);
18471864 		}
1848
-		dev_dbg(component->dev, "detect report %#02x\n", report);
1849
-		snd_soc_jack_report(rt5651->hp_jack, report, SND_JACK_HEADSET);
18501865 	} else if (rt5651->ovcd_irq_enabled && rt5651_micbias1_ovcd(component)) {
18511866 		dev_dbg(component->dev, "OVCD IRQ\n");
18521867 
....@@ -1890,44 +1905,79 @@
18901905 }
18911906 
18921907 static void rt5651_enable_jack_detect(struct snd_soc_component *component,
1893
-				      struct snd_soc_jack *hp_jack)
1908
+				      struct snd_soc_jack *hp_jack,
1909
+				      struct gpio_desc *gpiod_hp_det)
18941910 {
18951911 	struct rt5651_priv *rt5651 = snd_soc_component_get_drvdata(component);
1896
-
1897
-	/* IRQ output on GPIO1 */
1898
-	snd_soc_component_update_bits(component, RT5651_GPIO_CTRL1,
1899
-		RT5651_GP1_PIN_MASK, RT5651_GP1_PIN_IRQ);
1912
+	bool using_internal_jack_detect = true;
19001913 
19011914 	/* Select jack detect source */
19021915 	switch (rt5651->jd_src) {
1916
+	case RT5651_JD_NULL:
1917
+		rt5651->gpiod_hp_det = gpiod_hp_det;
1918
+		if (!rt5651->gpiod_hp_det)
1919
+			return; /* No jack detect */
1920
+		using_internal_jack_detect = false;
1921
+		break;
19031922 	case RT5651_JD1_1:
19041923 		snd_soc_component_update_bits(component, RT5651_JD_CTRL2,
19051924 			RT5651_JD_TRG_SEL_MASK, RT5651_JD_TRG_SEL_JD1_1);
1906
-		snd_soc_component_update_bits(component, RT5651_IRQ_CTRL1,
1907
-			RT5651_JD1_1_IRQ_EN, RT5651_JD1_1_IRQ_EN);
1925
+		/* active-low is normal, set inv flag for active-high */
1926
+		if (rt5651->jd_active_high)
1927
+			snd_soc_component_update_bits(component,
1928
+				RT5651_IRQ_CTRL1,
1929
+				RT5651_JD1_1_IRQ_EN | RT5651_JD1_1_INV,
1930
+				RT5651_JD1_1_IRQ_EN | RT5651_JD1_1_INV);
1931
+		else
1932
+			snd_soc_component_update_bits(component,
1933
+				RT5651_IRQ_CTRL1,
1934
+				RT5651_JD1_1_IRQ_EN | RT5651_JD1_1_INV,
1935
+				RT5651_JD1_1_IRQ_EN);
19081936 		break;
19091937 	case RT5651_JD1_2:
19101938 		snd_soc_component_update_bits(component, RT5651_JD_CTRL2,
19111939 			RT5651_JD_TRG_SEL_MASK, RT5651_JD_TRG_SEL_JD1_2);
1912
-		snd_soc_component_update_bits(component, RT5651_IRQ_CTRL1,
1913
-			RT5651_JD1_2_IRQ_EN, RT5651_JD1_2_IRQ_EN);
1940
+		/* active-low is normal, set inv flag for active-high */
1941
+		if (rt5651->jd_active_high)
1942
+			snd_soc_component_update_bits(component,
1943
+				RT5651_IRQ_CTRL1,
1944
+				RT5651_JD1_2_IRQ_EN | RT5651_JD1_2_INV,
1945
+				RT5651_JD1_2_IRQ_EN | RT5651_JD1_2_INV);
1946
+		else
1947
+			snd_soc_component_update_bits(component,
1948
+				RT5651_IRQ_CTRL1,
1949
+				RT5651_JD1_2_IRQ_EN | RT5651_JD1_2_INV,
1950
+				RT5651_JD1_2_IRQ_EN);
19141951 		break;
19151952 	case RT5651_JD2:
19161953 		snd_soc_component_update_bits(component, RT5651_JD_CTRL2,
19171954 			RT5651_JD_TRG_SEL_MASK, RT5651_JD_TRG_SEL_JD2);
1918
-		snd_soc_component_update_bits(component, RT5651_IRQ_CTRL1,
1919
-			RT5651_JD2_IRQ_EN, RT5651_JD2_IRQ_EN);
1955
+		/* active-low is normal, set inv flag for active-high */
1956
+		if (rt5651->jd_active_high)
1957
+			snd_soc_component_update_bits(component,
1958
+				RT5651_IRQ_CTRL1,
1959
+				RT5651_JD2_IRQ_EN | RT5651_JD2_INV,
1960
+				RT5651_JD2_IRQ_EN | RT5651_JD2_INV);
1961
+		else
1962
+			snd_soc_component_update_bits(component,
1963
+				RT5651_IRQ_CTRL1,
1964
+				RT5651_JD2_IRQ_EN | RT5651_JD2_INV,
1965
+				RT5651_JD2_IRQ_EN);
19201966 		break;
1921
-	case RT5651_JD_NULL:
1922
-		return;
19231967 	default:
19241968 		dev_err(component->dev, "Currently only JD1_1 / JD1_2 / JD2 are supported\n");
19251969 		return;
19261970 	}
19271971 
1928
-	/* Enable jack detect power */
1929
-	snd_soc_component_update_bits(component, RT5651_PWR_ANLG2,
1930
-		RT5651_PWR_JD_M, RT5651_PWR_JD_M);
1972
+	if (using_internal_jack_detect) {
1973
+		/* IRQ output on GPIO1 */
1974
+		snd_soc_component_update_bits(component, RT5651_GPIO_CTRL1,
1975
+			RT5651_GP1_PIN_MASK, RT5651_GP1_PIN_IRQ);
1976
+
1977
+		/* Enable jack detect power */
1978
+		snd_soc_component_update_bits(component, RT5651_PWR_ANLG2,
1979
+			RT5651_PWR_JD_M, RT5651_PWR_JD_M);
1980
+	}
19311981 
19321982 	/* Set OVCD threshold current and scale-factor */
19331983 	snd_soc_component_write(component, RT5651_PR_BASE + RT5651_BIAS_CUR4,
....@@ -1956,7 +2006,7 @@
19562006 		RT5651_MB1_OC_STKY_MASK, RT5651_MB1_OC_STKY_EN);
19572007 
19582008 	rt5651->hp_jack = hp_jack;
1959
-	if (rt5651->hp_jack->status & SND_JACK_MICROPHONE) {
2009
+	if (rt5651_support_button_press(rt5651)) {
19602010 		rt5651_enable_micbias1_for_ovcd(component);
19612011 		rt5651_enable_micbias1_ovcd_irq(component);
19622012 	}
....@@ -1973,7 +2023,7 @@
19732023 	disable_irq(rt5651->irq);
19742024 	rt5651_cancel_work(rt5651);
19752025 
1976
-	if (rt5651->hp_jack->status & SND_JACK_MICROPHONE) {
2026
+	if (rt5651_support_button_press(rt5651)) {
19772027 		rt5651_disable_micbias1_ovcd_irq(component);
19782028 		rt5651_disable_micbias1_for_ovcd(component);
19792029 		snd_soc_jack_report(rt5651->hp_jack, 0, SND_JACK_BTN_0);
....@@ -1986,7 +2036,7 @@
19862036 			   struct snd_soc_jack *jack, void *data)
19872037 {
19882038 	if (jack)
1989
-		rt5651_enable_jack_detect(component, jack);
2039
+		rt5651_enable_jack_detect(component, jack, data);
19902040 	else
19912041 		rt5651_disable_jack_detect(component);
19922042 
....@@ -2016,6 +2066,9 @@
20162066 	if (device_property_read_u32(component->dev,
20172067 				     "realtek,jack-detect-source", &val) == 0)
20182068 		rt5651->jd_src = val;
2069
+
2070
+	if (device_property_read_bool(component->dev, "realtek,jack-detect-not-inverted"))
2071
+		rt5651->jd_active_high = true;
20192072 
20202073 	/*
20212074 	 * Testing on various boards has shown that good defaults for the OVCD
....@@ -2080,7 +2133,7 @@
20802133 	gpiod_set_value(rt5651->gpiod_spk_ctl, enable);
20812134 }
20822135 
2083
-static int rt5651_mute(struct snd_soc_dai *dai, int mute)
2136
+static int rt5651_mute(struct snd_soc_dai *dai, int mute, int stream)
20842137 {
20852138 	struct snd_soc_component *component = dai->component;
20862139 	struct rt5651_priv *rt5651 = snd_soc_component_get_drvdata(component);
....@@ -2125,7 +2178,8 @@
21252178 	.set_fmt = rt5651_set_dai_fmt,
21262179 	.set_sysclk = rt5651_set_dai_sysclk,
21272180 	.set_pll = rt5651_set_dai_pll,
2128
-	.digital_mute = rt5651_mute,
2181
+	.mute_stream = rt5651_mute,
2182
+	.no_capture_mute = 1,
21292183 };
21302184 
21312185 static struct snd_soc_dai_driver rt5651_dai[] = {
....@@ -2200,7 +2254,8 @@
22002254 	.num_reg_defaults = ARRAY_SIZE(rt5651_reg),
22012255 	.ranges = rt5651_ranges,
22022256 	.num_ranges = ARRAY_SIZE(rt5651_ranges),
2203
-	.use_single_rw = true,
2257
+	.use_single_read = true,
2258
+	.use_single_write = true,
22042259 };
22052260 
22062261 #if defined(CONFIG_OF)
....@@ -2214,6 +2269,7 @@
22142269 #ifdef CONFIG_ACPI
22152270 static const struct acpi_device_id rt5651_acpi_match[] = {
22162271 	{ "10EC5651", 0 },
2272
+	{ "10EC5640", 0 },
22172273 	{ },
22182274 };
22192275 MODULE_DEVICE_TABLE(acpi, rt5651_acpi_match);
....@@ -2234,6 +2290,7 @@
22342290 {
22352291 	struct rt5651_priv *rt5651;
22362292 	int ret;
2293
+	int err;
22372294 
22382295 	rt5651 = devm_kzalloc(&i2c->dev, sizeof(*rt5651),
22392296 				GFP_KERNEL);
....@@ -2250,7 +2307,10 @@
22502307 		return ret;
22512308 	}
22522309 
2253
-	regmap_read(rt5651->regmap, RT5651_DEVICE_ID, &ret);
2310
+	err = regmap_read(rt5651->regmap, RT5651_DEVICE_ID, &ret);
2311
+	if (err)
2312
+		return err;
2313
+
22542314 	if (ret != RT5651_DEVICE_ID_VALUE) {
22552315 		dev_err(&i2c->dev,
22562316 			"Device with ID register %#x is not rt5651\n", ret);
....@@ -2265,7 +2325,7 @@
22652325 		dev_warn(&i2c->dev, "Failed to apply regmap patch: %d\n", ret);
22662326 
22672327 	rt5651->irq = i2c->irq;
2268
-	rt5651->hp_mute = 1;
2328
+	rt5651->hp_mute = true;
22692329 
22702330 	INIT_DELAYED_WORK(&rt5651->bp_work, rt5651_button_press_work);
22712331 	INIT_WORK(&rt5651->jack_detect_work, rt5651_jack_detect_work);