Loading Documentation/devicetree/bindings/sound/pcm1789.txt 0 → 100644 +22 −0 Original line number Diff line number Diff line Texas Instruments pcm1789 DT bindings PCM1789 is a simple audio codec that can be connected via I2C or SPI. Currently, only I2C bus is supported. Required properties: - compatible: "ti,pcm1789" Required properties on I2C: - reg: the I2C address - reset-gpios: GPIO to control the RESET pin Examples: audio-codec@4c { compatible = "ti,pcm1789"; reg = <0x4c>; reset-gpios = <&gpio2 14 GPIO_ACTIVE_LOW>; #sound-dai-cells = <0>; }; sound/soc/codecs/Kconfig +12 −0 Original line number Diff line number Diff line Loading @@ -108,6 +108,7 @@ config SND_SOC_ALL_CODECS select SND_SOC_NAU8825 if I2C select SND_SOC_HDMI_CODEC select SND_SOC_PCM1681 if I2C select SND_SOC_PCM1789_I2C if I2C select SND_SOC_PCM179X_I2C if I2C select SND_SOC_PCM179X_SPI if SPI_MASTER select SND_SOC_PCM186X_I2C if I2C Loading Loading @@ -650,6 +651,17 @@ config SND_SOC_PCM1681 tristate "Texas Instruments PCM1681 CODEC" depends on I2C config SND_SOC_PCM1789 tristate config SND_SOC_PCM1789_I2C tristate "Texas Instruments PCM1789 CODEC (I2C)" depends on I2C select SND_SOC_PCM1789 help Enable support for Texas Instruments PCM1789 CODEC. Select this if your PCM1789 is connected via an I2C bus. config SND_SOC_PCM179X tristate Loading sound/soc/codecs/Makefile +4 −0 Original line number Diff line number Diff line Loading @@ -103,6 +103,8 @@ snd-soc-nau8824-objs := nau8824.o snd-soc-nau8825-objs := nau8825.o snd-soc-hdmi-codec-objs := hdmi-codec.o snd-soc-pcm1681-objs := pcm1681.o snd-soc-pcm1789-codec-objs := pcm1789.o snd-soc-pcm1789-i2c-objs := pcm1789-i2c.o snd-soc-pcm179x-codec-objs := pcm179x.o snd-soc-pcm179x-i2c-objs := pcm179x-i2c.o snd-soc-pcm179x-spi-objs := pcm179x-spi.o Loading Loading @@ -349,6 +351,8 @@ obj-$(CONFIG_SND_SOC_NAU8825) += snd-soc-nau8825.o obj-$(CONFIG_SND_SOC_HDMI_CODEC) += snd-soc-hdmi-codec.o obj-$(CONFIG_SND_SOC_PCM1681) += snd-soc-pcm1681.o obj-$(CONFIG_SND_SOC_PCM179X) += snd-soc-pcm179x-codec.o obj-$(CONFIG_SND_SOC_PCM1789_I2C) += snd-soc-pcm1789-i2c.o obj-$(CONFIG_SND_SOC_PCM1789) += snd-soc-pcm1789-codec.o obj-$(CONFIG_SND_SOC_PCM179X_I2C) += snd-soc-pcm179x-i2c.o obj-$(CONFIG_SND_SOC_PCM179X_SPI) += snd-soc-pcm179x-spi.o obj-$(CONFIG_SND_SOC_PCM186X) += snd-soc-pcm186x.o Loading sound/soc/codecs/pcm1789-i2c.c 0 → 100644 +62 −0 Original line number Diff line number Diff line // SPDX-License-Identifier: GPL-2.0 // Audio driver for PCM1789 I2C // Copyright (C) 2018 Bootlin // Mylène Josserand <mylene.josserand@bootlin.com> #include <linux/clk.h> #include <linux/delay.h> #include <linux/i2c.h> #include <linux/module.h> #include <linux/of.h> #include <linux/regmap.h> #include "pcm1789.h" static int pcm1789_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct regmap *regmap; int ret; regmap = devm_regmap_init_i2c(client, &pcm1789_regmap_config); if (IS_ERR(regmap)) { ret = PTR_ERR(regmap); dev_err(&client->dev, "Failed to allocate regmap: %d\n", ret); return ret; } return pcm1789_common_init(&client->dev, regmap); } static int pcm1789_i2c_remove(struct i2c_client *client) { return pcm1789_common_exit(&client->dev); } static const struct of_device_id pcm1789_of_match[] = { { .compatible = "ti,pcm1789", }, { } }; MODULE_DEVICE_TABLE(of, pcm1789_of_match); static const struct i2c_device_id pcm1789_i2c_ids[] = { { "pcm1789", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, pcm1789_i2c_ids); static struct i2c_driver pcm1789_i2c_driver = { .driver = { .name = "pcm1789", .of_match_table = of_match_ptr(pcm1789_of_match), }, .id_table = pcm1789_i2c_ids, .probe = pcm1789_i2c_probe, .remove = pcm1789_i2c_remove, }; module_i2c_driver(pcm1789_i2c_driver); MODULE_DESCRIPTION("ASoC PCM1789 I2C driver"); MODULE_AUTHOR("Mylène Josserand <mylene.josserand@bootlin.com>"); MODULE_LICENSE("GPL"); sound/soc/codecs/pcm1789.c 0 → 100644 +274 −0 Original line number Diff line number Diff line // SPDX-License-Identifier: GPL-2.0 // Audio driver for PCM1789 // Copyright (C) 2018 Bootlin // Mylène Josserand <mylene.josserand@bootlin.com> #include <linux/gpio.h> #include <linux/module.h> #include <linux/workqueue.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/tlv.h> #include "pcm1789.h" #define PCM1789_MUTE_CONTROL 0x10 #define PCM1789_FMT_CONTROL 0x11 #define PCM1789_SOFT_MUTE 0x14 #define PCM1789_DAC_VOL_LEFT 0x18 #define PCM1789_DAC_VOL_RIGHT 0x19 #define PCM1789_FMT_MASK 0x07 #define PCM1789_MUTE_MASK 0x03 #define PCM1789_MUTE_SRET 0x06 struct pcm1789_private { struct regmap *regmap; unsigned int format; unsigned int rate; struct gpio_desc *reset; struct work_struct work; struct device *dev; }; static const struct reg_default pcm1789_reg_defaults[] = { { PCM1789_FMT_CONTROL, 0x00 }, { PCM1789_SOFT_MUTE, 0x00 }, { PCM1789_DAC_VOL_LEFT, 0xff }, { PCM1789_DAC_VOL_RIGHT, 0xff }, }; static bool pcm1789_accessible_reg(struct device *dev, unsigned int reg) { return reg >= PCM1789_MUTE_CONTROL && reg <= PCM1789_DAC_VOL_RIGHT; } static bool pcm1789_writeable_reg(struct device *dev, unsigned int reg) { return pcm1789_accessible_reg(dev, reg); } static int pcm1789_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int format) { struct snd_soc_component *component = codec_dai->component; struct pcm1789_private *priv = snd_soc_component_get_drvdata(component); priv->format = format; return 0; } static int pcm1789_digital_mute(struct snd_soc_dai *codec_dai, int mute) { struct snd_soc_component *component = codec_dai->component; struct pcm1789_private *priv = snd_soc_component_get_drvdata(component); return regmap_update_bits(priv->regmap, PCM1789_SOFT_MUTE, PCM1789_MUTE_MASK, mute ? 0 : PCM1789_MUTE_MASK); } static int pcm1789_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *codec_dai) { struct snd_soc_component *component = codec_dai->component; struct pcm1789_private *priv = snd_soc_component_get_drvdata(component); int val = 0, ret; priv->rate = params_rate(params); switch (priv->format & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_RIGHT_J: switch (params_width(params)) { case 24: val = 2; break; case 16: val = 3; break; default: return -EINVAL; } break; case SND_SOC_DAIFMT_I2S: switch (params_width(params)) { case 16: case 24: case 32: val = 0; break; default: return -EINVAL; } break; case SND_SOC_DAIFMT_LEFT_J: switch (params_width(params)) { case 16: case 24: case 32: val = 1; break; default: return -EINVAL; } break; default: dev_err(component->dev, "Invalid DAI format\n"); return -EINVAL; } ret = regmap_update_bits(priv->regmap, PCM1789_FMT_CONTROL, PCM1789_FMT_MASK, val); if (ret < 0) return ret; return 0; } static void pcm1789_work_queue(struct work_struct *work) { struct pcm1789_private *priv = container_of(work, struct pcm1789_private, work); /* Perform a software reset to remove codec from desynchronized state */ if (regmap_update_bits(priv->regmap, PCM1789_MUTE_CONTROL, 0x3 << PCM1789_MUTE_SRET, 0) < 0) dev_err(priv->dev, "Error while setting SRET"); } static int pcm1789_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { struct snd_soc_component *component = dai->component; struct pcm1789_private *priv = snd_soc_component_get_drvdata(component); int ret = 0; switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: schedule_work(&priv->work); break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: break; default: ret = -EINVAL; } return ret; } static const struct snd_soc_dai_ops pcm1789_dai_ops = { .set_fmt = pcm1789_set_dai_fmt, .hw_params = pcm1789_hw_params, .digital_mute = pcm1789_digital_mute, .trigger = pcm1789_trigger, }; static const DECLARE_TLV_DB_SCALE(pcm1789_dac_tlv, -12000, 50, 1); static const struct snd_kcontrol_new pcm1789_controls[] = { SOC_DOUBLE_R_RANGE_TLV("DAC Playback Volume", PCM1789_DAC_VOL_LEFT, PCM1789_DAC_VOL_RIGHT, 0, 0xf, 0xff, 0, pcm1789_dac_tlv), }; static const struct snd_soc_dapm_widget pcm1789_dapm_widgets[] = { SND_SOC_DAPM_OUTPUT("IOUTL+"), SND_SOC_DAPM_OUTPUT("IOUTL-"), SND_SOC_DAPM_OUTPUT("IOUTR+"), SND_SOC_DAPM_OUTPUT("IOUTR-"), }; static const struct snd_soc_dapm_route pcm1789_dapm_routes[] = { { "IOUTL+", NULL, "Playback" }, { "IOUTL-", NULL, "Playback" }, { "IOUTR+", NULL, "Playback" }, { "IOUTR-", NULL, "Playback" }, }; static struct snd_soc_dai_driver pcm1789_dai = { .name = "pcm1789-hifi", .playback = { .stream_name = "Playback", .channels_min = 2, .channels_max = 2, .rates = SNDRV_PCM_RATE_CONTINUOUS, .rate_min = 10000, .rate_max = 200000, .formats = PCM1789_FORMATS, }, .ops = &pcm1789_dai_ops, }; const struct regmap_config pcm1789_regmap_config = { .reg_bits = 8, .val_bits = 8, .max_register = PCM1789_DAC_VOL_RIGHT, .reg_defaults = pcm1789_reg_defaults, .num_reg_defaults = ARRAY_SIZE(pcm1789_reg_defaults), .writeable_reg = pcm1789_writeable_reg, .readable_reg = pcm1789_accessible_reg, }; EXPORT_SYMBOL_GPL(pcm1789_regmap_config); static const struct snd_soc_component_driver soc_component_dev_pcm1789 = { .controls = pcm1789_controls, .num_controls = ARRAY_SIZE(pcm1789_controls), .dapm_widgets = pcm1789_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(pcm1789_dapm_widgets), .dapm_routes = pcm1789_dapm_routes, .num_dapm_routes = ARRAY_SIZE(pcm1789_dapm_routes), .idle_bias_on = 1, .use_pmdown_time = 1, .endianness = 1, .non_legacy_dai_naming = 1, }; int pcm1789_common_init(struct device *dev, struct regmap *regmap) { struct pcm1789_private *pcm1789; pcm1789 = devm_kzalloc(dev, sizeof(struct pcm1789_private), GFP_KERNEL); if (!pcm1789) return -ENOMEM; pcm1789->regmap = regmap; pcm1789->dev = dev; dev_set_drvdata(dev, pcm1789); pcm1789->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(pcm1789->reset)) return PTR_ERR(pcm1789->reset); gpiod_set_value_cansleep(pcm1789->reset, 0); msleep(300); INIT_WORK(&pcm1789->work, pcm1789_work_queue); return devm_snd_soc_register_component(dev, &soc_component_dev_pcm1789, &pcm1789_dai, 1); } EXPORT_SYMBOL_GPL(pcm1789_common_init); int pcm1789_common_exit(struct device *dev) { struct pcm1789_private *priv = dev_get_drvdata(dev); if (&priv->work) flush_work(&priv->work); return 0; } EXPORT_SYMBOL_GPL(pcm1789_common_exit); MODULE_DESCRIPTION("ASoC PCM1789 driver"); MODULE_AUTHOR("Mylène Josserand <mylene.josserand@free-electrons.com>"); MODULE_LICENSE("GPL"); Loading
Documentation/devicetree/bindings/sound/pcm1789.txt 0 → 100644 +22 −0 Original line number Diff line number Diff line Texas Instruments pcm1789 DT bindings PCM1789 is a simple audio codec that can be connected via I2C or SPI. Currently, only I2C bus is supported. Required properties: - compatible: "ti,pcm1789" Required properties on I2C: - reg: the I2C address - reset-gpios: GPIO to control the RESET pin Examples: audio-codec@4c { compatible = "ti,pcm1789"; reg = <0x4c>; reset-gpios = <&gpio2 14 GPIO_ACTIVE_LOW>; #sound-dai-cells = <0>; };
sound/soc/codecs/Kconfig +12 −0 Original line number Diff line number Diff line Loading @@ -108,6 +108,7 @@ config SND_SOC_ALL_CODECS select SND_SOC_NAU8825 if I2C select SND_SOC_HDMI_CODEC select SND_SOC_PCM1681 if I2C select SND_SOC_PCM1789_I2C if I2C select SND_SOC_PCM179X_I2C if I2C select SND_SOC_PCM179X_SPI if SPI_MASTER select SND_SOC_PCM186X_I2C if I2C Loading Loading @@ -650,6 +651,17 @@ config SND_SOC_PCM1681 tristate "Texas Instruments PCM1681 CODEC" depends on I2C config SND_SOC_PCM1789 tristate config SND_SOC_PCM1789_I2C tristate "Texas Instruments PCM1789 CODEC (I2C)" depends on I2C select SND_SOC_PCM1789 help Enable support for Texas Instruments PCM1789 CODEC. Select this if your PCM1789 is connected via an I2C bus. config SND_SOC_PCM179X tristate Loading
sound/soc/codecs/Makefile +4 −0 Original line number Diff line number Diff line Loading @@ -103,6 +103,8 @@ snd-soc-nau8824-objs := nau8824.o snd-soc-nau8825-objs := nau8825.o snd-soc-hdmi-codec-objs := hdmi-codec.o snd-soc-pcm1681-objs := pcm1681.o snd-soc-pcm1789-codec-objs := pcm1789.o snd-soc-pcm1789-i2c-objs := pcm1789-i2c.o snd-soc-pcm179x-codec-objs := pcm179x.o snd-soc-pcm179x-i2c-objs := pcm179x-i2c.o snd-soc-pcm179x-spi-objs := pcm179x-spi.o Loading Loading @@ -349,6 +351,8 @@ obj-$(CONFIG_SND_SOC_NAU8825) += snd-soc-nau8825.o obj-$(CONFIG_SND_SOC_HDMI_CODEC) += snd-soc-hdmi-codec.o obj-$(CONFIG_SND_SOC_PCM1681) += snd-soc-pcm1681.o obj-$(CONFIG_SND_SOC_PCM179X) += snd-soc-pcm179x-codec.o obj-$(CONFIG_SND_SOC_PCM1789_I2C) += snd-soc-pcm1789-i2c.o obj-$(CONFIG_SND_SOC_PCM1789) += snd-soc-pcm1789-codec.o obj-$(CONFIG_SND_SOC_PCM179X_I2C) += snd-soc-pcm179x-i2c.o obj-$(CONFIG_SND_SOC_PCM179X_SPI) += snd-soc-pcm179x-spi.o obj-$(CONFIG_SND_SOC_PCM186X) += snd-soc-pcm186x.o Loading
sound/soc/codecs/pcm1789-i2c.c 0 → 100644 +62 −0 Original line number Diff line number Diff line // SPDX-License-Identifier: GPL-2.0 // Audio driver for PCM1789 I2C // Copyright (C) 2018 Bootlin // Mylène Josserand <mylene.josserand@bootlin.com> #include <linux/clk.h> #include <linux/delay.h> #include <linux/i2c.h> #include <linux/module.h> #include <linux/of.h> #include <linux/regmap.h> #include "pcm1789.h" static int pcm1789_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct regmap *regmap; int ret; regmap = devm_regmap_init_i2c(client, &pcm1789_regmap_config); if (IS_ERR(regmap)) { ret = PTR_ERR(regmap); dev_err(&client->dev, "Failed to allocate regmap: %d\n", ret); return ret; } return pcm1789_common_init(&client->dev, regmap); } static int pcm1789_i2c_remove(struct i2c_client *client) { return pcm1789_common_exit(&client->dev); } static const struct of_device_id pcm1789_of_match[] = { { .compatible = "ti,pcm1789", }, { } }; MODULE_DEVICE_TABLE(of, pcm1789_of_match); static const struct i2c_device_id pcm1789_i2c_ids[] = { { "pcm1789", 0 }, { } }; MODULE_DEVICE_TABLE(i2c, pcm1789_i2c_ids); static struct i2c_driver pcm1789_i2c_driver = { .driver = { .name = "pcm1789", .of_match_table = of_match_ptr(pcm1789_of_match), }, .id_table = pcm1789_i2c_ids, .probe = pcm1789_i2c_probe, .remove = pcm1789_i2c_remove, }; module_i2c_driver(pcm1789_i2c_driver); MODULE_DESCRIPTION("ASoC PCM1789 I2C driver"); MODULE_AUTHOR("Mylène Josserand <mylene.josserand@bootlin.com>"); MODULE_LICENSE("GPL");
sound/soc/codecs/pcm1789.c 0 → 100644 +274 −0 Original line number Diff line number Diff line // SPDX-License-Identifier: GPL-2.0 // Audio driver for PCM1789 // Copyright (C) 2018 Bootlin // Mylène Josserand <mylene.josserand@bootlin.com> #include <linux/gpio.h> #include <linux/module.h> #include <linux/workqueue.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/tlv.h> #include "pcm1789.h" #define PCM1789_MUTE_CONTROL 0x10 #define PCM1789_FMT_CONTROL 0x11 #define PCM1789_SOFT_MUTE 0x14 #define PCM1789_DAC_VOL_LEFT 0x18 #define PCM1789_DAC_VOL_RIGHT 0x19 #define PCM1789_FMT_MASK 0x07 #define PCM1789_MUTE_MASK 0x03 #define PCM1789_MUTE_SRET 0x06 struct pcm1789_private { struct regmap *regmap; unsigned int format; unsigned int rate; struct gpio_desc *reset; struct work_struct work; struct device *dev; }; static const struct reg_default pcm1789_reg_defaults[] = { { PCM1789_FMT_CONTROL, 0x00 }, { PCM1789_SOFT_MUTE, 0x00 }, { PCM1789_DAC_VOL_LEFT, 0xff }, { PCM1789_DAC_VOL_RIGHT, 0xff }, }; static bool pcm1789_accessible_reg(struct device *dev, unsigned int reg) { return reg >= PCM1789_MUTE_CONTROL && reg <= PCM1789_DAC_VOL_RIGHT; } static bool pcm1789_writeable_reg(struct device *dev, unsigned int reg) { return pcm1789_accessible_reg(dev, reg); } static int pcm1789_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int format) { struct snd_soc_component *component = codec_dai->component; struct pcm1789_private *priv = snd_soc_component_get_drvdata(component); priv->format = format; return 0; } static int pcm1789_digital_mute(struct snd_soc_dai *codec_dai, int mute) { struct snd_soc_component *component = codec_dai->component; struct pcm1789_private *priv = snd_soc_component_get_drvdata(component); return regmap_update_bits(priv->regmap, PCM1789_SOFT_MUTE, PCM1789_MUTE_MASK, mute ? 0 : PCM1789_MUTE_MASK); } static int pcm1789_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *codec_dai) { struct snd_soc_component *component = codec_dai->component; struct pcm1789_private *priv = snd_soc_component_get_drvdata(component); int val = 0, ret; priv->rate = params_rate(params); switch (priv->format & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_RIGHT_J: switch (params_width(params)) { case 24: val = 2; break; case 16: val = 3; break; default: return -EINVAL; } break; case SND_SOC_DAIFMT_I2S: switch (params_width(params)) { case 16: case 24: case 32: val = 0; break; default: return -EINVAL; } break; case SND_SOC_DAIFMT_LEFT_J: switch (params_width(params)) { case 16: case 24: case 32: val = 1; break; default: return -EINVAL; } break; default: dev_err(component->dev, "Invalid DAI format\n"); return -EINVAL; } ret = regmap_update_bits(priv->regmap, PCM1789_FMT_CONTROL, PCM1789_FMT_MASK, val); if (ret < 0) return ret; return 0; } static void pcm1789_work_queue(struct work_struct *work) { struct pcm1789_private *priv = container_of(work, struct pcm1789_private, work); /* Perform a software reset to remove codec from desynchronized state */ if (regmap_update_bits(priv->regmap, PCM1789_MUTE_CONTROL, 0x3 << PCM1789_MUTE_SRET, 0) < 0) dev_err(priv->dev, "Error while setting SRET"); } static int pcm1789_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { struct snd_soc_component *component = dai->component; struct pcm1789_private *priv = snd_soc_component_get_drvdata(component); int ret = 0; switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: schedule_work(&priv->work); break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: break; default: ret = -EINVAL; } return ret; } static const struct snd_soc_dai_ops pcm1789_dai_ops = { .set_fmt = pcm1789_set_dai_fmt, .hw_params = pcm1789_hw_params, .digital_mute = pcm1789_digital_mute, .trigger = pcm1789_trigger, }; static const DECLARE_TLV_DB_SCALE(pcm1789_dac_tlv, -12000, 50, 1); static const struct snd_kcontrol_new pcm1789_controls[] = { SOC_DOUBLE_R_RANGE_TLV("DAC Playback Volume", PCM1789_DAC_VOL_LEFT, PCM1789_DAC_VOL_RIGHT, 0, 0xf, 0xff, 0, pcm1789_dac_tlv), }; static const struct snd_soc_dapm_widget pcm1789_dapm_widgets[] = { SND_SOC_DAPM_OUTPUT("IOUTL+"), SND_SOC_DAPM_OUTPUT("IOUTL-"), SND_SOC_DAPM_OUTPUT("IOUTR+"), SND_SOC_DAPM_OUTPUT("IOUTR-"), }; static const struct snd_soc_dapm_route pcm1789_dapm_routes[] = { { "IOUTL+", NULL, "Playback" }, { "IOUTL-", NULL, "Playback" }, { "IOUTR+", NULL, "Playback" }, { "IOUTR-", NULL, "Playback" }, }; static struct snd_soc_dai_driver pcm1789_dai = { .name = "pcm1789-hifi", .playback = { .stream_name = "Playback", .channels_min = 2, .channels_max = 2, .rates = SNDRV_PCM_RATE_CONTINUOUS, .rate_min = 10000, .rate_max = 200000, .formats = PCM1789_FORMATS, }, .ops = &pcm1789_dai_ops, }; const struct regmap_config pcm1789_regmap_config = { .reg_bits = 8, .val_bits = 8, .max_register = PCM1789_DAC_VOL_RIGHT, .reg_defaults = pcm1789_reg_defaults, .num_reg_defaults = ARRAY_SIZE(pcm1789_reg_defaults), .writeable_reg = pcm1789_writeable_reg, .readable_reg = pcm1789_accessible_reg, }; EXPORT_SYMBOL_GPL(pcm1789_regmap_config); static const struct snd_soc_component_driver soc_component_dev_pcm1789 = { .controls = pcm1789_controls, .num_controls = ARRAY_SIZE(pcm1789_controls), .dapm_widgets = pcm1789_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(pcm1789_dapm_widgets), .dapm_routes = pcm1789_dapm_routes, .num_dapm_routes = ARRAY_SIZE(pcm1789_dapm_routes), .idle_bias_on = 1, .use_pmdown_time = 1, .endianness = 1, .non_legacy_dai_naming = 1, }; int pcm1789_common_init(struct device *dev, struct regmap *regmap) { struct pcm1789_private *pcm1789; pcm1789 = devm_kzalloc(dev, sizeof(struct pcm1789_private), GFP_KERNEL); if (!pcm1789) return -ENOMEM; pcm1789->regmap = regmap; pcm1789->dev = dev; dev_set_drvdata(dev, pcm1789); pcm1789->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(pcm1789->reset)) return PTR_ERR(pcm1789->reset); gpiod_set_value_cansleep(pcm1789->reset, 0); msleep(300); INIT_WORK(&pcm1789->work, pcm1789_work_queue); return devm_snd_soc_register_component(dev, &soc_component_dev_pcm1789, &pcm1789_dai, 1); } EXPORT_SYMBOL_GPL(pcm1789_common_init); int pcm1789_common_exit(struct device *dev) { struct pcm1789_private *priv = dev_get_drvdata(dev); if (&priv->work) flush_work(&priv->work); return 0; } EXPORT_SYMBOL_GPL(pcm1789_common_exit); MODULE_DESCRIPTION("ASoC PCM1789 driver"); MODULE_AUTHOR("Mylène Josserand <mylene.josserand@free-electrons.com>"); MODULE_LICENSE("GPL");
