--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// rt5682.c -- RT5682 ALSA SoC audio component driver
+//
+// Copyright 2018 Realtek Semiconductor Corp.
+// Author: Bard Liao <bardliao@realtek.com>
+//
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/pm_runtime.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/acpi.h>
+#include <linux/gpio.h>
+#include <linux/of_gpio.h>
+#include <linux/mutex.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/jack.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+#include <sound/rt5682.h>
+
+#include "rl6231.h"
+#include "rt5682.h"
+
+static const struct rt5682_platform_data i2s_default_platform_data = {
+ .dmic1_data_pin = RT5682_DMIC1_DATA_GPIO2,
+ .dmic1_clk_pin = RT5682_DMIC1_CLK_GPIO3,
+ .jd_src = RT5682_JD1,
+ .btndet_delay = 16,
+ .dai_clk_names[RT5682_DAI_WCLK_IDX] = "rt5682-dai-wclk",
+ .dai_clk_names[RT5682_DAI_BCLK_IDX] = "rt5682-dai-bclk",
+};
+
+static const struct regmap_config rt5682_regmap = {
+ .reg_bits = 16,
+ .val_bits = 16,
+ .max_register = RT5682_I2C_MODE,
+ .volatile_reg = rt5682_volatile_register,
+ .readable_reg = rt5682_readable_register,
+ .cache_type = REGCACHE_RBTREE,
+ .reg_defaults = rt5682_reg,
+ .num_reg_defaults = RT5682_REG_NUM,
+ .use_single_read = true,
+ .use_single_write = true,
+};
+
+static void rt5682_jd_check_handler(struct work_struct *work)
+{
+ struct rt5682_priv *rt5682 = container_of(work, struct rt5682_priv,
+ jd_check_work.work);
+
+ if (snd_soc_component_read32(rt5682->component, RT5682_AJD1_CTRL)
+ & RT5682_JDH_RS_MASK) {
+ /* jack out */
+ rt5682->jack_type = rt5682_headset_detect(rt5682->component, 0);
+
+ snd_soc_jack_report(rt5682->hs_jack, rt5682->jack_type,
+ SND_JACK_HEADSET |
+ SND_JACK_BTN_0 | SND_JACK_BTN_1 |
+ SND_JACK_BTN_2 | SND_JACK_BTN_3);
+ } else {
+ schedule_delayed_work(&rt5682->jd_check_work, 500);
+ }
+}
+
+static irqreturn_t rt5682_irq(int irq, void *data)
+{
+ struct rt5682_priv *rt5682 = data;
+
+ mod_delayed_work(system_power_efficient_wq,
+ &rt5682->jack_detect_work, msecs_to_jiffies(250));
+
+ return IRQ_HANDLED;
+}
+
+static struct snd_soc_dai_driver rt5682_dai[] = {
+ {
+ .name = "rt5682-aif1",
+ .id = RT5682_AIF1,
+ .playback = {
+ .stream_name = "AIF1 Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT5682_STEREO_RATES,
+ .formats = RT5682_FORMATS,
+ },
+ .capture = {
+ .stream_name = "AIF1 Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT5682_STEREO_RATES,
+ .formats = RT5682_FORMATS,
+ },
+ .ops = &rt5682_aif1_dai_ops,
+ },
+ {
+ .name = "rt5682-aif2",
+ .id = RT5682_AIF2,
+ .capture = {
+ .stream_name = "AIF2 Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT5682_STEREO_RATES,
+ .formats = RT5682_FORMATS,
+ },
+ .ops = &rt5682_aif2_dai_ops,
+ },
+};
+
+static int rt5682_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct rt5682_platform_data *pdata = dev_get_platdata(&i2c->dev);
+ struct rt5682_priv *rt5682;
+ int i, ret;
+ unsigned int val;
+
+ rt5682 = devm_kzalloc(&i2c->dev, sizeof(struct rt5682_priv),
+ GFP_KERNEL);
+ if (!rt5682)
+ return -ENOMEM;
+
+ i2c_set_clientdata(i2c, rt5682);
+
+ rt5682->pdata = i2s_default_platform_data;
+
+ if (pdata)
+ rt5682->pdata = *pdata;
+ else
+ rt5682_parse_dt(rt5682, &i2c->dev);
+
+ rt5682->regmap = devm_regmap_init_i2c(i2c, &rt5682_regmap);
+ if (IS_ERR(rt5682->regmap)) {
+ ret = PTR_ERR(rt5682->regmap);
+ dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
+ ret);
+ return ret;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(rt5682->supplies); i++)
+ rt5682->supplies[i].supply = rt5682_supply_names[i];
+
+ ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(rt5682->supplies),
+ rt5682->supplies);
+ if (ret) {
+ dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
+ return ret;
+ }
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(rt5682->supplies),
+ rt5682->supplies);
+ if (ret) {
+ dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
+ return ret;
+ }
+
+ if (gpio_is_valid(rt5682->pdata.ldo1_en)) {
+ if (devm_gpio_request_one(&i2c->dev, rt5682->pdata.ldo1_en,
+ GPIOF_OUT_INIT_HIGH, "rt5682"))
+ dev_err(&i2c->dev, "Fail gpio_request gpio_ldo\n");
+ }
+
+ /* Sleep for 300 ms miniumum */
+ usleep_range(300000, 350000);
+
+ regmap_write(rt5682->regmap, RT5682_I2C_MODE, 0x1);
+ usleep_range(10000, 15000);
+
+ regmap_read(rt5682->regmap, RT5682_DEVICE_ID, &val);
+ if (val != DEVICE_ID) {
+ dev_err(&i2c->dev,
+ "Device with ID register %x is not rt5682\n", val);
+ return -ENODEV;
+ }
+
+ mutex_init(&rt5682->calibrate_mutex);
+ rt5682_calibrate(rt5682);
+
+ rt5682_apply_patch_list(rt5682, &i2c->dev);
+
+ regmap_write(rt5682->regmap, RT5682_DEPOP_1, 0x0000);
+
+ /* DMIC pin*/
+ if (rt5682->pdata.dmic1_data_pin != RT5682_DMIC1_NULL) {
+ switch (rt5682->pdata.dmic1_data_pin) {
+ case RT5682_DMIC1_DATA_GPIO2: /* share with LRCK2 */
+ regmap_update_bits(rt5682->regmap, RT5682_DMIC_CTRL_1,
+ RT5682_DMIC_1_DP_MASK, RT5682_DMIC_1_DP_GPIO2);
+ regmap_update_bits(rt5682->regmap, RT5682_GPIO_CTRL_1,
+ RT5682_GP2_PIN_MASK, RT5682_GP2_PIN_DMIC_SDA);
+ break;
+
+ case RT5682_DMIC1_DATA_GPIO5: /* share with DACDAT1 */
+ regmap_update_bits(rt5682->regmap, RT5682_DMIC_CTRL_1,
+ RT5682_DMIC_1_DP_MASK, RT5682_DMIC_1_DP_GPIO5);
+ regmap_update_bits(rt5682->regmap, RT5682_GPIO_CTRL_1,
+ RT5682_GP5_PIN_MASK, RT5682_GP5_PIN_DMIC_SDA);
+ break;
+
+ default:
+ dev_warn(&i2c->dev, "invalid DMIC_DAT pin\n");
+ break;
+ }
+
+ switch (rt5682->pdata.dmic1_clk_pin) {
+ case RT5682_DMIC1_CLK_GPIO1: /* share with IRQ */
+ regmap_update_bits(rt5682->regmap, RT5682_GPIO_CTRL_1,
+ RT5682_GP1_PIN_MASK, RT5682_GP1_PIN_DMIC_CLK);
+ break;
+
+ case RT5682_DMIC1_CLK_GPIO3: /* share with BCLK2 */
+ regmap_update_bits(rt5682->regmap, RT5682_GPIO_CTRL_1,
+ RT5682_GP3_PIN_MASK, RT5682_GP3_PIN_DMIC_CLK);
+ break;
+
+ default:
+ dev_warn(&i2c->dev, "invalid DMIC_CLK pin\n");
+ break;
+ }
+ }
+
+ regmap_update_bits(rt5682->regmap, RT5682_PWR_ANLG_1,
+ RT5682_LDO1_DVO_MASK | RT5682_HP_DRIVER_MASK,
+ RT5682_LDO1_DVO_12 | RT5682_HP_DRIVER_5X);
+ regmap_write(rt5682->regmap, RT5682_MICBIAS_2, 0x0380);
+ regmap_update_bits(rt5682->regmap, RT5682_GPIO_CTRL_1,
+ RT5682_GP4_PIN_MASK | RT5682_GP5_PIN_MASK,
+ RT5682_GP4_PIN_ADCDAT1 | RT5682_GP5_PIN_DACDAT1);
+ regmap_write(rt5682->regmap, RT5682_TEST_MODE_CTRL_1, 0x0000);
+ regmap_update_bits(rt5682->regmap, RT5682_BIAS_CUR_CTRL_8,
+ RT5682_HPA_CP_BIAS_CTRL_MASK, RT5682_HPA_CP_BIAS_3UA);
+ regmap_update_bits(rt5682->regmap, RT5682_CHARGE_PUMP_1,
+ RT5682_CP_CLK_HP_MASK, RT5682_CP_CLK_HP_300KHZ);
+ regmap_update_bits(rt5682->regmap, RT5682_HP_CHARGE_PUMP_1,
+ RT5682_PM_HP_MASK, RT5682_PM_HP_HV);
+ regmap_update_bits(rt5682->regmap, RT5682_DMIC_CTRL_1,
+ RT5682_FIFO_CLK_DIV_MASK, RT5682_FIFO_CLK_DIV_2);
+
+ INIT_DELAYED_WORK(&rt5682->jack_detect_work,
+ rt5682_jack_detect_handler);
+ INIT_DELAYED_WORK(&rt5682->jd_check_work,
+ rt5682_jd_check_handler);
+
+ if (i2c->irq) {
+ ret = devm_request_threaded_irq(&i2c->dev, i2c->irq, NULL,
+ rt5682_irq, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING
+ | IRQF_ONESHOT, "rt5682", rt5682);
+ if (ret)
+ dev_err(&i2c->dev, "Failed to reguest IRQ: %d\n", ret);
+ }
+
+ return devm_snd_soc_register_component(&i2c->dev,
+ &rt5682_soc_component_dev,
+ rt5682_dai, ARRAY_SIZE(rt5682_dai));
+}
+
+static void rt5682_i2c_shutdown(struct i2c_client *client)
+{
+ struct rt5682_priv *rt5682 = i2c_get_clientdata(client);
+
+ rt5682_reset(rt5682);
+}
+
+static const struct of_device_id rt5682_of_match[] = {
+ {.compatible = "realtek,rt5682i"},
+ {},
+};
+MODULE_DEVICE_TABLE(of, rt5682_of_match);
+
+static const struct acpi_device_id rt5682_acpi_match[] = {
+ {"10EC5682", 0,},
+ {},
+};
+MODULE_DEVICE_TABLE(acpi, rt5682_acpi_match);
+
+static const struct i2c_device_id rt5682_i2c_id[] = {
+ {"rt5682", 0},
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, rt5682_i2c_id);
+
+static struct i2c_driver rt5682_i2c_driver = {
+ .driver = {
+ .name = "rt5682",
+ .of_match_table = rt5682_of_match,
+ .acpi_match_table = rt5682_acpi_match,
+ },
+ .probe = rt5682_i2c_probe,
+ .shutdown = rt5682_i2c_shutdown,
+ .id_table = rt5682_i2c_id,
+};
+module_i2c_driver(rt5682_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC RT5682 driver");
+MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
+MODULE_LICENSE("GPL v2");
#include <linux/acpi.h>
#include <linux/gpio.h>
#include <linux/of_gpio.h>
+#include <linux/pm_runtime.h>
#include <linux/regulator/consumer.h>
#include <linux/mutex.h>
#include <linux/soundwire/sdw.h>
#include <sound/tlv.h>
#include "rt5682.h"
-#include "rt5682-sdw.h"
+
+#define RT5682_SDW_ADDR_L 0x3000
+#define RT5682_SDW_ADDR_H 0x3001
+#define RT5682_SDW_DATA_L 0x3004
+#define RT5682_SDW_DATA_H 0x3005
+#define RT5682_SDW_CMD 0x3008
+
+static int rt5682_sdw_read(void *context, unsigned int reg, unsigned int *val)
+{
+ struct device *dev = context;
+ struct rt5682_priv *rt5682 = dev_get_drvdata(dev);
+ unsigned int data_l, data_h;
+
+ regmap_write(rt5682->sdw_regmap, RT5682_SDW_CMD, 0);
+ regmap_write(rt5682->sdw_regmap, RT5682_SDW_ADDR_H, (reg >> 8) & 0xff);
+ regmap_write(rt5682->sdw_regmap, RT5682_SDW_ADDR_L, (reg & 0xff));
+ regmap_read(rt5682->sdw_regmap, RT5682_SDW_DATA_H, &data_h);
+ regmap_read(rt5682->sdw_regmap, RT5682_SDW_DATA_L, &data_l);
+
+ *val = (data_h << 8) | data_l;
+
+ dev_vdbg(dev, "[%s] %04x => %04x\n", __func__, reg, *val);
+
+ return 0;
+}
+
+static int rt5682_sdw_write(void *context, unsigned int reg, unsigned int val)
+{
+ struct device *dev = context;
+ struct rt5682_priv *rt5682 = dev_get_drvdata(dev);
+
+ regmap_write(rt5682->sdw_regmap, RT5682_SDW_CMD, 1);
+ regmap_write(rt5682->sdw_regmap, RT5682_SDW_ADDR_H, (reg >> 8) & 0xff);
+ regmap_write(rt5682->sdw_regmap, RT5682_SDW_ADDR_L, (reg & 0xff));
+ regmap_write(rt5682->sdw_regmap, RT5682_SDW_DATA_H, (val >> 8) & 0xff);
+ regmap_write(rt5682->sdw_regmap, RT5682_SDW_DATA_L, (val & 0xff));
+
+ dev_vdbg(dev, "[%s] %04x <= %04x\n", __func__, reg, val);
+
+ return 0;
+}
+
+static const struct regmap_config rt5682_sdw_indirect_regmap = {
+ .reg_bits = 16,
+ .val_bits = 16,
+ .max_register = RT5682_I2C_MODE,
+ .volatile_reg = rt5682_volatile_register,
+ .readable_reg = rt5682_readable_register,
+ .cache_type = REGCACHE_RBTREE,
+ .reg_defaults = rt5682_reg,
+ .num_reg_defaults = RT5682_REG_NUM,
+ .use_single_read = true,
+ .use_single_write = true,
+ .reg_read = rt5682_sdw_read,
+ .reg_write = rt5682_sdw_write,
+};
+
+struct sdw_stream_data {
+ struct sdw_stream_runtime *sdw_stream;
+};
+
+static int rt5682_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
+ int direction)
+{
+ struct sdw_stream_data *stream;
+
+ if (!sdw_stream)
+ return 0;
+
+ stream = kzalloc(sizeof(*stream), GFP_KERNEL);
+ if (!stream)
+ return -ENOMEM;
+
+ stream->sdw_stream = (struct sdw_stream_runtime *)sdw_stream;
+
+ /* Use tx_mask or rx_mask to configure stream tag and set dma_data */
+ if (direction == SNDRV_PCM_STREAM_PLAYBACK)
+ dai->playback_dma_data = stream;
+ else
+ dai->capture_dma_data = stream;
+
+ return 0;
+}
+
+static void rt5682_sdw_shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct sdw_stream_data *stream;
+
+ stream = snd_soc_dai_get_dma_data(dai, substream);
+ snd_soc_dai_set_dma_data(dai, substream, NULL);
+ kfree(stream);
+}
+
+static int rt5682_sdw_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_component *component = dai->component;
+ struct rt5682_priv *rt5682 = snd_soc_component_get_drvdata(component);
+ struct sdw_stream_config stream_config;
+ struct sdw_port_config port_config;
+ enum sdw_data_direction direction;
+ struct sdw_stream_data *stream;
+ int retval, port, num_channels;
+ unsigned int val_p = 0, val_c = 0, osr_p = 0, osr_c = 0;
+
+ dev_dbg(dai->dev, "%s %s", __func__, dai->name);
+
+ stream = snd_soc_dai_get_dma_data(dai, substream);
+ if (!stream)
+ return -ENOMEM;
+
+ if (!rt5682->slave)
+ return -EINVAL;
+
+ /* SoundWire specific configuration */
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ direction = SDW_DATA_DIR_RX;
+ port = 1;
+ } else {
+ direction = SDW_DATA_DIR_TX;
+ port = 2;
+ }
+
+ stream_config.frame_rate = params_rate(params);
+ stream_config.ch_count = params_channels(params);
+ stream_config.bps = snd_pcm_format_width(params_format(params));
+ stream_config.direction = direction;
+
+ num_channels = params_channels(params);
+ port_config.ch_mask = (1 << (num_channels)) - 1;
+ port_config.num = port;
+
+ retval = sdw_stream_add_slave(rt5682->slave, &stream_config,
+ &port_config, 1, stream->sdw_stream);
+ if (retval) {
+ dev_err(dai->dev, "Unable to configure port\n");
+ return retval;
+ }
+
+ switch (params_rate(params)) {
+ case 48000:
+ val_p = RT5682_SDW_REF_1_48K;
+ val_c = RT5682_SDW_REF_2_48K;
+ break;
+ case 96000:
+ val_p = RT5682_SDW_REF_1_96K;
+ val_c = RT5682_SDW_REF_2_96K;
+ break;
+ case 192000:
+ val_p = RT5682_SDW_REF_1_192K;
+ val_c = RT5682_SDW_REF_2_192K;
+ break;
+ case 32000:
+ val_p = RT5682_SDW_REF_1_32K;
+ val_c = RT5682_SDW_REF_2_32K;
+ break;
+ case 24000:
+ val_p = RT5682_SDW_REF_1_24K;
+ val_c = RT5682_SDW_REF_2_24K;
+ break;
+ case 16000:
+ val_p = RT5682_SDW_REF_1_16K;
+ val_c = RT5682_SDW_REF_2_16K;
+ break;
+ case 12000:
+ val_p = RT5682_SDW_REF_1_12K;
+ val_c = RT5682_SDW_REF_2_12K;
+ break;
+ case 8000:
+ val_p = RT5682_SDW_REF_1_8K;
+ val_c = RT5682_SDW_REF_2_8K;
+ break;
+ case 44100:
+ val_p = RT5682_SDW_REF_1_44K;
+ val_c = RT5682_SDW_REF_2_44K;
+ break;
+ case 88200:
+ val_p = RT5682_SDW_REF_1_88K;
+ val_c = RT5682_SDW_REF_2_88K;
+ break;
+ case 176400:
+ val_p = RT5682_SDW_REF_1_176K;
+ val_c = RT5682_SDW_REF_2_176K;
+ break;
+ case 22050:
+ val_p = RT5682_SDW_REF_1_22K;
+ val_c = RT5682_SDW_REF_2_22K;
+ break;
+ case 11025:
+ val_p = RT5682_SDW_REF_1_11K;
+ val_c = RT5682_SDW_REF_2_11K;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (params_rate(params) <= 48000) {
+ osr_p = RT5682_DAC_OSR_D_8;
+ osr_c = RT5682_ADC_OSR_D_8;
+ } else if (params_rate(params) <= 96000) {
+ osr_p = RT5682_DAC_OSR_D_4;
+ osr_c = RT5682_ADC_OSR_D_4;
+ } else {
+ osr_p = RT5682_DAC_OSR_D_2;
+ osr_c = RT5682_ADC_OSR_D_2;
+ }
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ regmap_update_bits(rt5682->regmap, RT5682_SDW_REF_CLK,
+ RT5682_SDW_REF_1_MASK, val_p);
+ regmap_update_bits(rt5682->regmap, RT5682_ADDA_CLK_1,
+ RT5682_DAC_OSR_MASK, osr_p);
+ } else {
+ regmap_update_bits(rt5682->regmap, RT5682_SDW_REF_CLK,
+ RT5682_SDW_REF_2_MASK, val_c);
+ regmap_update_bits(rt5682->regmap, RT5682_ADDA_CLK_1,
+ RT5682_ADC_OSR_MASK, osr_c);
+ }
+
+ return retval;
+}
+
+static int rt5682_sdw_hw_free(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_component *component = dai->component;
+ struct rt5682_priv *rt5682 = snd_soc_component_get_drvdata(component);
+ struct sdw_stream_data *stream =
+ snd_soc_dai_get_dma_data(dai, substream);
+
+ if (!rt5682->slave)
+ return -EINVAL;
+
+ sdw_stream_remove_slave(rt5682->slave, stream->sdw_stream);
+ return 0;
+}
+
+static struct snd_soc_dai_ops rt5682_sdw_ops = {
+ .hw_params = rt5682_sdw_hw_params,
+ .hw_free = rt5682_sdw_hw_free,
+ .set_sdw_stream = rt5682_set_sdw_stream,
+ .shutdown = rt5682_sdw_shutdown,
+};
+
+static struct snd_soc_dai_driver rt5682_dai[] = {
+ {
+ .name = "rt5682-aif1",
+ .id = RT5682_AIF1,
+ .playback = {
+ .stream_name = "AIF1 Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT5682_STEREO_RATES,
+ .formats = RT5682_FORMATS,
+ },
+ .capture = {
+ .stream_name = "AIF1 Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT5682_STEREO_RATES,
+ .formats = RT5682_FORMATS,
+ },
+ .ops = &rt5682_aif1_dai_ops,
+ },
+ {
+ .name = "rt5682-aif2",
+ .id = RT5682_AIF2,
+ .capture = {
+ .stream_name = "AIF2 Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT5682_STEREO_RATES,
+ .formats = RT5682_FORMATS,
+ },
+ .ops = &rt5682_aif2_dai_ops,
+ },
+ {
+ .name = "rt5682-sdw",
+ .id = RT5682_SDW,
+ .playback = {
+ .stream_name = "SDW Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT5682_STEREO_RATES,
+ .formats = RT5682_FORMATS,
+ },
+ .capture = {
+ .stream_name = "SDW Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT5682_STEREO_RATES,
+ .formats = RT5682_FORMATS,
+ },
+ .ops = &rt5682_sdw_ops,
+ },
+};
+
+static int rt5682_sdw_init(struct device *dev, struct regmap *regmap,
+ struct sdw_slave *slave)
+{
+ struct rt5682_priv *rt5682;
+ int ret;
+
+ rt5682 = devm_kzalloc(dev, sizeof(*rt5682), GFP_KERNEL);
+ if (!rt5682)
+ return -ENOMEM;
+
+ dev_set_drvdata(dev, rt5682);
+ rt5682->slave = slave;
+ rt5682->sdw_regmap = regmap;
+ rt5682->is_sdw = true;
+
+ rt5682->regmap = devm_regmap_init(dev, NULL, dev,
+ &rt5682_sdw_indirect_regmap);
+ if (IS_ERR(rt5682->regmap)) {
+ ret = PTR_ERR(rt5682->regmap);
+ dev_err(dev, "Failed to allocate register map: %d\n",
+ ret);
+ return ret;
+ }
+
+ /*
+ * Mark hw_init to false
+ * HW init will be performed when device reports present
+ */
+ rt5682->hw_init = false;
+ rt5682->first_hw_init = false;
+
+ mutex_init(&rt5682->calibrate_mutex);
+ INIT_DELAYED_WORK(&rt5682->jack_detect_work,
+ rt5682_jack_detect_handler);
+
+ ret = devm_snd_soc_register_component(dev,
+ &rt5682_soc_component_dev,
+ rt5682_dai, ARRAY_SIZE(rt5682_dai));
+ dev_dbg(&slave->dev, "%s\n", __func__);
+
+ return ret;
+}
+
+static int rt5682_io_init(struct device *dev, struct sdw_slave *slave)
+{
+ struct rt5682_priv *rt5682 = dev_get_drvdata(dev);
+ int ret = 0;
+ unsigned int val;
+
+ if (rt5682->hw_init)
+ return 0;
+
+ regmap_read(rt5682->regmap, RT5682_DEVICE_ID, &val);
+ if (val != DEVICE_ID) {
+ dev_err(dev, "Device with ID register %x is not rt5682\n", val);
+ return -ENODEV;
+ }
+
+ /*
+ * PM runtime is only enabled when a Slave reports as Attached
+ */
+ if (!rt5682->first_hw_init) {
+ /* set autosuspend parameters */
+ pm_runtime_set_autosuspend_delay(&slave->dev, 3000);
+ pm_runtime_use_autosuspend(&slave->dev);
+
+ /* update count of parent 'active' children */
+ pm_runtime_set_active(&slave->dev);
+
+ /* make sure the device does not suspend immediately */
+ pm_runtime_mark_last_busy(&slave->dev);
+
+ pm_runtime_enable(&slave->dev);
+ }
+
+ pm_runtime_get_noresume(&slave->dev);
+
+ if (rt5682->first_hw_init) {
+ regcache_cache_only(rt5682->regmap, false);
+ regcache_cache_bypass(rt5682->regmap, true);
+ }
+
+ rt5682_calibrate(rt5682);
+
+ if (rt5682->first_hw_init) {
+ regcache_cache_bypass(rt5682->regmap, false);
+ regcache_mark_dirty(rt5682->regmap);
+ regcache_sync(rt5682->regmap);
+
+ /* volatile registers */
+ regmap_update_bits(rt5682->regmap, RT5682_CBJ_CTRL_2,
+ RT5682_EXT_JD_SRC, RT5682_EXT_JD_SRC_MANUAL);
+
+ goto reinit;
+ }
+
+ rt5682_apply_patch_list(rt5682, dev);
+
+ regmap_write(rt5682->regmap, RT5682_DEPOP_1, 0x0000);
+
+ regmap_update_bits(rt5682->regmap, RT5682_PWR_ANLG_1,
+ RT5682_LDO1_DVO_MASK | RT5682_HP_DRIVER_MASK,
+ RT5682_LDO1_DVO_12 | RT5682_HP_DRIVER_5X);
+ regmap_write(rt5682->regmap, RT5682_MICBIAS_2, 0x0380);
+ regmap_write(rt5682->regmap, RT5682_TEST_MODE_CTRL_1, 0x0000);
+ regmap_update_bits(rt5682->regmap, RT5682_BIAS_CUR_CTRL_8,
+ RT5682_HPA_CP_BIAS_CTRL_MASK, RT5682_HPA_CP_BIAS_3UA);
+ regmap_update_bits(rt5682->regmap, RT5682_CHARGE_PUMP_1,
+ RT5682_CP_CLK_HP_MASK, RT5682_CP_CLK_HP_300KHZ);
+ regmap_update_bits(rt5682->regmap, RT5682_HP_CHARGE_PUMP_1,
+ RT5682_PM_HP_MASK, RT5682_PM_HP_HV);
+
+ /* Soundwire */
+ regmap_write(rt5682->regmap, RT5682_PLL2_INTERNAL, 0xa266);
+ regmap_write(rt5682->regmap, RT5682_PLL2_CTRL_1, 0x1700);
+ regmap_write(rt5682->regmap, RT5682_PLL2_CTRL_2, 0x0006);
+ regmap_write(rt5682->regmap, RT5682_PLL2_CTRL_3, 0x2600);
+ regmap_write(rt5682->regmap, RT5682_PLL2_CTRL_4, 0x0c8f);
+ regmap_write(rt5682->regmap, RT5682_PLL_TRACK_2, 0x3000);
+ regmap_write(rt5682->regmap, RT5682_PLL_TRACK_3, 0x4000);
+ regmap_update_bits(rt5682->regmap, RT5682_GLB_CLK,
+ RT5682_SCLK_SRC_MASK | RT5682_PLL2_SRC_MASK,
+ RT5682_SCLK_SRC_PLL2 | RT5682_PLL2_SRC_SDW);
+
+ regmap_update_bits(rt5682->regmap, RT5682_CBJ_CTRL_2,
+ RT5682_EXT_JD_SRC, RT5682_EXT_JD_SRC_MANUAL);
+ regmap_write(rt5682->regmap, RT5682_CBJ_CTRL_1, 0xd042);
+ regmap_update_bits(rt5682->regmap, RT5682_CBJ_CTRL_3,
+ RT5682_CBJ_IN_BUF_EN, RT5682_CBJ_IN_BUF_EN);
+ regmap_update_bits(rt5682->regmap, RT5682_SAR_IL_CMD_1,
+ RT5682_SAR_POW_MASK, RT5682_SAR_POW_EN);
+ regmap_update_bits(rt5682->regmap, RT5682_RC_CLK_CTRL,
+ RT5682_POW_IRQ | RT5682_POW_JDH |
+ RT5682_POW_ANA, RT5682_POW_IRQ |
+ RT5682_POW_JDH | RT5682_POW_ANA);
+ regmap_update_bits(rt5682->regmap, RT5682_PWR_ANLG_2,
+ RT5682_PWR_JDH, RT5682_PWR_JDH);
+ regmap_update_bits(rt5682->regmap, RT5682_IRQ_CTRL_2,
+ RT5682_JD1_EN_MASK | RT5682_JD1_IRQ_MASK,
+ RT5682_JD1_EN | RT5682_JD1_IRQ_PUL);
+
+reinit:
+ mod_delayed_work(system_power_efficient_wq,
+ &rt5682->jack_detect_work, msecs_to_jiffies(250));
+
+ /* Mark Slave initialization complete */
+ rt5682->hw_init = true;
+ rt5682->first_hw_init = true;
+
+ pm_runtime_mark_last_busy(&slave->dev);
+ pm_runtime_put_autosuspend(&slave->dev);
+
+ dev_dbg(&slave->dev, "%s hw_init complete\n", __func__);
+
+ return ret;
+}
static bool rt5682_sdw_readable_register(struct device *dev, unsigned int reg)
{
}
}
-const struct regmap_config rt5682_sdw_regmap = {
+static const struct regmap_config rt5682_sdw_regmap = {
.name = "sdw",
.reg_bits = 32,
.val_bits = 8,
// SPDX-License-Identifier: GPL-2.0-only
-/*
- * rt5682.c -- RT5682 ALSA SoC audio component driver
- *
- * Copyright 2018 Realtek Semiconductor Corp.
- * Author: Bard Liao <bardliao@realtek.com>
- */
+//
+// rt5682.c -- RT5682 ALSA SoC audio component driver
+//
+// Copyright 2018 Realtek Semiconductor Corp.
+// Author: Bard Liao <bardliao@realtek.com>
+//
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/pm_runtime.h>
-#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/acpi.h>
#include "rl6231.h"
#include "rt5682.h"
-#include "rt5682-sdw.h"
-static const char *rt5682_supply_names[RT5682_NUM_SUPPLIES] = {
+const char *rt5682_supply_names[RT5682_NUM_SUPPLIES] = {
"AVDD",
"MICVDD",
"VBAT",
};
-
-static const struct rt5682_platform_data i2s_default_platform_data = {
- .dmic1_data_pin = RT5682_DMIC1_DATA_GPIO2,
- .dmic1_clk_pin = RT5682_DMIC1_CLK_GPIO3,
- .jd_src = RT5682_JD1,
- .btndet_delay = 16,
- .dai_clk_names[RT5682_DAI_WCLK_IDX] = "rt5682-dai-wclk",
- .dai_clk_names[RT5682_DAI_BCLK_IDX] = "rt5682-dai-bclk",
-};
+EXPORT_SYMBOL_GPL(rt5682_supply_names);
static const struct reg_sequence patch_list[] = {
{RT5682_HP_IMP_SENS_CTRL_19, 0x1000},
{RT5682_PLL2_INTERNAL, 0x8266},
};
-static const struct reg_default rt5682_reg[] = {
+void rt5682_apply_patch_list(struct rt5682_priv *rt5682, struct device *dev)
+{
+ int ret;
+
+ ret = regmap_multi_reg_write(rt5682->regmap, patch_list,
+ ARRAY_SIZE(patch_list));
+ if (ret)
+ dev_warn(dev, "Failed to apply regmap patch: %d\n", ret);
+}
+EXPORT_SYMBOL_GPL(rt5682_apply_patch_list);
+
+const struct reg_default rt5682_reg[RT5682_REG_NUM] = {
{0x0002, 0x8080},
{0x0003, 0x8000},
{0x0005, 0x0000},
{0x03f2, 0x0800},
{0x03f3, 0x0800},
};
+EXPORT_SYMBOL_GPL(rt5682_reg);
-static bool rt5682_volatile_register(struct device *dev, unsigned int reg)
+bool rt5682_volatile_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case RT5682_RESET:
return false;
}
}
+EXPORT_SYMBOL_GPL(rt5682_volatile_register);
-static bool rt5682_readable_register(struct device *dev, unsigned int reg)
+bool rt5682_readable_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case RT5682_RESET:
return false;
}
}
+EXPORT_SYMBOL_GPL(rt5682_readable_register);
static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -6525, 75, 0);
static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -1725, 75, 0);
static const struct snd_kcontrol_new rt5682_dac_r_mux =
SOC_DAPM_ENUM("DAC R Mux", rt5682_dacr_enum);
-static void rt5682_reset(struct rt5682_priv *rt5682)
+void rt5682_reset(struct rt5682_priv *rt5682)
{
regmap_write(rt5682->regmap, RT5682_RESET, 0);
if (!rt5682->is_sdw)
regmap_write(rt5682->regmap, RT5682_I2C_MODE, 1);
}
+EXPORT_SYMBOL_GPL(rt5682_reset);
/**
* rt5682_sel_asrc_clk_src - select ASRC clock source for a set of filters
*
* Returns detect status.
*/
-static int rt5682_headset_detect(struct snd_soc_component *component,
- int jack_insert)
+int rt5682_headset_detect(struct snd_soc_component *component, int jack_insert)
{
struct rt5682_priv *rt5682 = snd_soc_component_get_drvdata(component);
struct snd_soc_dapm_context *dapm = &component->dapm;
dev_dbg(component->dev, "jack_type = %d\n", rt5682->jack_type);
return rt5682->jack_type;
}
-
-static irqreturn_t rt5682_irq(int irq, void *data)
-{
- struct rt5682_priv *rt5682 = data;
-
- mod_delayed_work(system_power_efficient_wq,
- &rt5682->jack_detect_work, msecs_to_jiffies(250));
-
- return IRQ_HANDLED;
-}
-
-static void rt5682_jd_check_handler(struct work_struct *work)
-{
- struct rt5682_priv *rt5682 = container_of(work, struct rt5682_priv,
- jd_check_work.work);
-
- if (snd_soc_component_read32(rt5682->component, RT5682_AJD1_CTRL)
- & RT5682_JDH_RS_MASK) {
- /* jack out */
- rt5682->jack_type = rt5682_headset_detect(rt5682->component, 0);
-
- snd_soc_jack_report(rt5682->hs_jack, rt5682->jack_type,
- SND_JACK_HEADSET |
- SND_JACK_BTN_0 | SND_JACK_BTN_1 |
- SND_JACK_BTN_2 | SND_JACK_BTN_3);
- } else {
- schedule_delayed_work(&rt5682->jd_check_work, 500);
- }
-}
+EXPORT_SYMBOL_GPL(rt5682_headset_detect);
static int rt5682_set_jack_detect(struct snd_soc_component *component,
struct snd_soc_jack *hs_jack, void *data)
return 0;
}
-static void rt5682_jack_detect_handler(struct work_struct *work)
+void rt5682_jack_detect_handler(struct work_struct *work)
{
struct rt5682_priv *rt5682 =
container_of(work, struct rt5682_priv, jack_detect_work.work);
mutex_unlock(&rt5682->calibrate_mutex);
}
+EXPORT_SYMBOL_GPL(rt5682_jack_detect_handler);
static const struct snd_kcontrol_new rt5682_snd_controls[] = {
/* DAC Digital Volume */
regcache_cache_only(rt5682->regmap, false);
regcache_sync(rt5682->regmap);
- rt5682_irq(0, rt5682);
+ mod_delayed_work(system_power_efficient_wq,
+ &rt5682->jack_detect_work, msecs_to_jiffies(250));
return 0;
}
#define rt5682_resume NULL
#endif
-#define RT5682_STEREO_RATES SNDRV_PCM_RATE_8000_192000
-#define RT5682_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
- SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
-
-static const struct snd_soc_dai_ops rt5682_aif1_dai_ops = {
+const struct snd_soc_dai_ops rt5682_aif1_dai_ops = {
.hw_params = rt5682_hw_params,
.set_fmt = rt5682_set_dai_fmt,
.set_tdm_slot = rt5682_set_tdm_slot,
.set_bclk_ratio = rt5682_set_bclk1_ratio,
};
+EXPORT_SYMBOL_GPL(rt5682_aif1_dai_ops);
-static const struct snd_soc_dai_ops rt5682_aif2_dai_ops = {
+const struct snd_soc_dai_ops rt5682_aif2_dai_ops = {
.hw_params = rt5682_hw_params,
.set_fmt = rt5682_set_dai_fmt,
.set_bclk_ratio = rt5682_set_bclk2_ratio,
};
+EXPORT_SYMBOL_GPL(rt5682_aif2_dai_ops);
-#if IS_ENABLED(CONFIG_SND_SOC_RT5682_SDW)
-struct sdw_stream_data {
- struct sdw_stream_runtime *sdw_stream;
-};
-
-static int rt5682_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
- int direction)
-{
- struct sdw_stream_data *stream;
-
- if (!sdw_stream)
- return 0;
-
- stream = kzalloc(sizeof(*stream), GFP_KERNEL);
- if (!stream)
- return -ENOMEM;
-
- stream->sdw_stream = (struct sdw_stream_runtime *)sdw_stream;
-
- /* Use tx_mask or rx_mask to configure stream tag and set dma_data */
- if (direction == SNDRV_PCM_STREAM_PLAYBACK)
- dai->playback_dma_data = stream;
- else
- dai->capture_dma_data = stream;
-
- return 0;
-}
-
-static void rt5682_sdw_shutdown(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- struct sdw_stream_data *stream;
-
- stream = snd_soc_dai_get_dma_data(dai, substream);
- snd_soc_dai_set_dma_data(dai, substream, NULL);
- kfree(stream);
-}
-
-static int rt5682_sdw_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct snd_soc_dai *dai)
-{
- struct snd_soc_component *component = dai->component;
- struct rt5682_priv *rt5682 = snd_soc_component_get_drvdata(component);
- struct sdw_stream_config stream_config;
- struct sdw_port_config port_config;
- enum sdw_data_direction direction;
- struct sdw_stream_data *stream;
- int retval, port, num_channels;
- unsigned int val_p = 0, val_c = 0, osr_p = 0, osr_c = 0;
-
- dev_dbg(dai->dev, "%s %s", __func__, dai->name);
-
- stream = snd_soc_dai_get_dma_data(dai, substream);
- if (!stream)
- return -ENOMEM;
-
- if (!rt5682->slave)
- return -EINVAL;
-
- /* SoundWire specific configuration */
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- direction = SDW_DATA_DIR_RX;
- port = 1;
- } else {
- direction = SDW_DATA_DIR_TX;
- port = 2;
- }
-
- stream_config.frame_rate = params_rate(params);
- stream_config.ch_count = params_channels(params);
- stream_config.bps = snd_pcm_format_width(params_format(params));
- stream_config.direction = direction;
-
- num_channels = params_channels(params);
- port_config.ch_mask = (1 << (num_channels)) - 1;
- port_config.num = port;
-
- retval = sdw_stream_add_slave(rt5682->slave, &stream_config,
- &port_config, 1, stream->sdw_stream);
- if (retval) {
- dev_err(dai->dev, "Unable to configure port\n");
- return retval;
- }
-
- switch (params_rate(params)) {
- case 48000:
- val_p = RT5682_SDW_REF_1_48K;
- val_c = RT5682_SDW_REF_2_48K;
- break;
- case 96000:
- val_p = RT5682_SDW_REF_1_96K;
- val_c = RT5682_SDW_REF_2_96K;
- break;
- case 192000:
- val_p = RT5682_SDW_REF_1_192K;
- val_c = RT5682_SDW_REF_2_192K;
- break;
- case 32000:
- val_p = RT5682_SDW_REF_1_32K;
- val_c = RT5682_SDW_REF_2_32K;
- break;
- case 24000:
- val_p = RT5682_SDW_REF_1_24K;
- val_c = RT5682_SDW_REF_2_24K;
- break;
- case 16000:
- val_p = RT5682_SDW_REF_1_16K;
- val_c = RT5682_SDW_REF_2_16K;
- break;
- case 12000:
- val_p = RT5682_SDW_REF_1_12K;
- val_c = RT5682_SDW_REF_2_12K;
- break;
- case 8000:
- val_p = RT5682_SDW_REF_1_8K;
- val_c = RT5682_SDW_REF_2_8K;
- break;
- case 44100:
- val_p = RT5682_SDW_REF_1_44K;
- val_c = RT5682_SDW_REF_2_44K;
- break;
- case 88200:
- val_p = RT5682_SDW_REF_1_88K;
- val_c = RT5682_SDW_REF_2_88K;
- break;
- case 176400:
- val_p = RT5682_SDW_REF_1_176K;
- val_c = RT5682_SDW_REF_2_176K;
- break;
- case 22050:
- val_p = RT5682_SDW_REF_1_22K;
- val_c = RT5682_SDW_REF_2_22K;
- break;
- case 11025:
- val_p = RT5682_SDW_REF_1_11K;
- val_c = RT5682_SDW_REF_2_11K;
- break;
- default:
- return -EINVAL;
- }
-
- if (params_rate(params) <= 48000) {
- osr_p = RT5682_DAC_OSR_D_8;
- osr_c = RT5682_ADC_OSR_D_8;
- } else if (params_rate(params) <= 96000) {
- osr_p = RT5682_DAC_OSR_D_4;
- osr_c = RT5682_ADC_OSR_D_4;
- } else {
- osr_p = RT5682_DAC_OSR_D_2;
- osr_c = RT5682_ADC_OSR_D_2;
- }
-
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- regmap_update_bits(rt5682->regmap, RT5682_SDW_REF_CLK,
- RT5682_SDW_REF_1_MASK, val_p);
- regmap_update_bits(rt5682->regmap, RT5682_ADDA_CLK_1,
- RT5682_DAC_OSR_MASK, osr_p);
- } else {
- regmap_update_bits(rt5682->regmap, RT5682_SDW_REF_CLK,
- RT5682_SDW_REF_2_MASK, val_c);
- regmap_update_bits(rt5682->regmap, RT5682_ADDA_CLK_1,
- RT5682_ADC_OSR_MASK, osr_c);
- }
-
- return retval;
-}
-
-static int rt5682_sdw_hw_free(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- struct snd_soc_component *component = dai->component;
- struct rt5682_priv *rt5682 = snd_soc_component_get_drvdata(component);
- struct sdw_stream_data *stream =
- snd_soc_dai_get_dma_data(dai, substream);
-
- if (!rt5682->slave)
- return -EINVAL;
-
- sdw_stream_remove_slave(rt5682->slave, stream->sdw_stream);
- return 0;
-}
-
-static struct snd_soc_dai_ops rt5682_sdw_ops = {
- .hw_params = rt5682_sdw_hw_params,
- .hw_free = rt5682_sdw_hw_free,
- .set_sdw_stream = rt5682_set_sdw_stream,
- .shutdown = rt5682_sdw_shutdown,
-};
-#endif
-
-static struct snd_soc_dai_driver rt5682_dai[] = {
- {
- .name = "rt5682-aif1",
- .id = RT5682_AIF1,
- .playback = {
- .stream_name = "AIF1 Playback",
- .channels_min = 1,
- .channels_max = 2,
- .rates = RT5682_STEREO_RATES,
- .formats = RT5682_FORMATS,
- },
- .capture = {
- .stream_name = "AIF1 Capture",
- .channels_min = 1,
- .channels_max = 2,
- .rates = RT5682_STEREO_RATES,
- .formats = RT5682_FORMATS,
- },
- .ops = &rt5682_aif1_dai_ops,
- },
- {
- .name = "rt5682-aif2",
- .id = RT5682_AIF2,
- .capture = {
- .stream_name = "AIF2 Capture",
- .channels_min = 1,
- .channels_max = 2,
- .rates = RT5682_STEREO_RATES,
- .formats = RT5682_FORMATS,
- },
- .ops = &rt5682_aif2_dai_ops,
- },
-#if IS_ENABLED(CONFIG_SND_SOC_RT5682_SDW)
- {
- .name = "rt5682-sdw",
- .id = RT5682_SDW,
- .playback = {
- .stream_name = "SDW Playback",
- .channels_min = 1,
- .channels_max = 2,
- .rates = RT5682_STEREO_RATES,
- .formats = RT5682_FORMATS,
- },
- .capture = {
- .stream_name = "SDW Capture",
- .channels_min = 1,
- .channels_max = 2,
- .rates = RT5682_STEREO_RATES,
- .formats = RT5682_FORMATS,
- },
- .ops = &rt5682_sdw_ops,
- },
-#endif
-};
-
-static const struct snd_soc_component_driver soc_component_dev_rt5682 = {
+const struct snd_soc_component_driver rt5682_soc_component_dev = {
.probe = rt5682_probe,
.remove = rt5682_remove,
.suspend = rt5682_suspend,
.endianness = 1,
.non_legacy_dai_naming = 1,
};
+EXPORT_SYMBOL_GPL(rt5682_soc_component_dev);
-static const struct regmap_config rt5682_regmap = {
- .reg_bits = 16,
- .val_bits = 16,
- .max_register = RT5682_I2C_MODE,
- .volatile_reg = rt5682_volatile_register,
- .readable_reg = rt5682_readable_register,
- .cache_type = REGCACHE_RBTREE,
- .reg_defaults = rt5682_reg,
- .num_reg_defaults = ARRAY_SIZE(rt5682_reg),
- .use_single_read = true,
- .use_single_write = true,
-};
-
-static const struct i2c_device_id rt5682_i2c_id[] = {
- {"rt5682", 0},
- {}
-};
-MODULE_DEVICE_TABLE(i2c, rt5682_i2c_id);
-
-static int rt5682_parse_dt(struct rt5682_priv *rt5682, struct device *dev)
+int rt5682_parse_dt(struct rt5682_priv *rt5682, struct device *dev)
{
device_property_read_u32(dev, "realtek,dmic1-data-pin",
return 0;
}
+EXPORT_SYMBOL_GPL(rt5682_parse_dt);
-static void rt5682_calibrate(struct rt5682_priv *rt5682)
+void rt5682_calibrate(struct rt5682_priv *rt5682)
{
int value, count;
mutex_unlock(&rt5682->calibrate_mutex);
}
-
-#if IS_ENABLED(CONFIG_SND_SOC_RT5682_SDW)
-static int rt5682_sdw_read(void *context, unsigned int reg, unsigned int *val)
-{
- struct device *dev = context;
- struct rt5682_priv *rt5682 = dev_get_drvdata(dev);
- unsigned int data_l, data_h;
-
- regmap_write(rt5682->sdw_regmap, RT5682_SDW_CMD, 0);
- regmap_write(rt5682->sdw_regmap, RT5682_SDW_ADDR_H, (reg >> 8) & 0xff);
- regmap_write(rt5682->sdw_regmap, RT5682_SDW_ADDR_L, (reg & 0xff));
- regmap_read(rt5682->sdw_regmap, RT5682_SDW_DATA_H, &data_h);
- regmap_read(rt5682->sdw_regmap, RT5682_SDW_DATA_L, &data_l);
-
- *val = (data_h << 8) | data_l;
-
- dev_vdbg(dev, "[%s] %04x => %04x\n", __func__, reg, *val);
-
- return 0;
-}
-
-static int rt5682_sdw_write(void *context, unsigned int reg, unsigned int val)
-{
- struct device *dev = context;
- struct rt5682_priv *rt5682 = dev_get_drvdata(dev);
-
- regmap_write(rt5682->sdw_regmap, RT5682_SDW_CMD, 1);
- regmap_write(rt5682->sdw_regmap, RT5682_SDW_ADDR_H, (reg >> 8) & 0xff);
- regmap_write(rt5682->sdw_regmap, RT5682_SDW_ADDR_L, (reg & 0xff));
- regmap_write(rt5682->sdw_regmap, RT5682_SDW_DATA_H, (val >> 8) & 0xff);
- regmap_write(rt5682->sdw_regmap, RT5682_SDW_DATA_L, (val & 0xff));
-
- dev_vdbg(dev, "[%s] %04x <= %04x\n", __func__, reg, val);
-
- return 0;
-}
-
-static const struct regmap_config rt5682_sdw_regmap = {
- .reg_bits = 16,
- .val_bits = 16,
- .max_register = RT5682_I2C_MODE,
- .volatile_reg = rt5682_volatile_register,
- .readable_reg = rt5682_readable_register,
- .cache_type = REGCACHE_RBTREE,
- .reg_defaults = rt5682_reg,
- .num_reg_defaults = ARRAY_SIZE(rt5682_reg),
- .use_single_read = true,
- .use_single_write = true,
- .reg_read = rt5682_sdw_read,
- .reg_write = rt5682_sdw_write,
-};
-
-int rt5682_sdw_init(struct device *dev, struct regmap *regmap,
- struct sdw_slave *slave)
-{
- struct rt5682_priv *rt5682;
- int ret;
-
- rt5682 = devm_kzalloc(dev, sizeof(*rt5682), GFP_KERNEL);
- if (!rt5682)
- return -ENOMEM;
-
- dev_set_drvdata(dev, rt5682);
- rt5682->slave = slave;
- rt5682->sdw_regmap = regmap;
- rt5682->is_sdw = true;
-
- rt5682->regmap = devm_regmap_init(dev, NULL, dev, &rt5682_sdw_regmap);
- if (IS_ERR(rt5682->regmap)) {
- ret = PTR_ERR(rt5682->regmap);
- dev_err(dev, "Failed to allocate register map: %d\n",
- ret);
- return ret;
- }
-
- /*
- * Mark hw_init to false
- * HW init will be performed when device reports present
- */
- rt5682->hw_init = false;
- rt5682->first_hw_init = false;
-
- mutex_init(&rt5682->calibrate_mutex);
- INIT_DELAYED_WORK(&rt5682->jack_detect_work,
- rt5682_jack_detect_handler);
-
- ret = devm_snd_soc_register_component(dev, &soc_component_dev_rt5682,
- rt5682_dai, ARRAY_SIZE(rt5682_dai));
-
- dev_dbg(&slave->dev, "%s\n", __func__);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(rt5682_sdw_init);
-
-int rt5682_io_init(struct device *dev, struct sdw_slave *slave)
-{
- struct rt5682_priv *rt5682 = dev_get_drvdata(dev);
- int ret = 0;
- unsigned int val;
-
- if (rt5682->hw_init)
- return 0;
-
- regmap_read(rt5682->regmap, RT5682_DEVICE_ID, &val);
- if (val != DEVICE_ID) {
- dev_err(dev, "Device with ID register %x is not rt5682\n", val);
- return -ENODEV;
- }
-
- /*
- * PM runtime is only enabled when a Slave reports as Attached
- */
- if (!rt5682->first_hw_init) {
- /* set autosuspend parameters */
- pm_runtime_set_autosuspend_delay(&slave->dev, 3000);
- pm_runtime_use_autosuspend(&slave->dev);
-
- /* update count of parent 'active' children */
- pm_runtime_set_active(&slave->dev);
-
- /* make sure the device does not suspend immediately */
- pm_runtime_mark_last_busy(&slave->dev);
-
- pm_runtime_enable(&slave->dev);
- }
-
- pm_runtime_get_noresume(&slave->dev);
-
- if (rt5682->first_hw_init) {
- regcache_cache_only(rt5682->regmap, false);
- regcache_cache_bypass(rt5682->regmap, true);
- }
-
- rt5682_calibrate(rt5682);
-
- if (rt5682->first_hw_init) {
- regcache_cache_bypass(rt5682->regmap, false);
- regcache_mark_dirty(rt5682->regmap);
- regcache_sync(rt5682->regmap);
-
- /* volatile registers */
- regmap_update_bits(rt5682->regmap, RT5682_CBJ_CTRL_2,
- RT5682_EXT_JD_SRC, RT5682_EXT_JD_SRC_MANUAL);
-
- goto reinit;
- }
-
- ret = regmap_multi_reg_write(rt5682->regmap, patch_list,
- ARRAY_SIZE(patch_list));
- if (ret)
- dev_warn(dev, "Failed to apply regmap patch: %d\n", ret);
-
- regmap_write(rt5682->regmap, RT5682_DEPOP_1, 0x0000);
-
- regmap_update_bits(rt5682->regmap, RT5682_PWR_ANLG_1,
- RT5682_LDO1_DVO_MASK | RT5682_HP_DRIVER_MASK,
- RT5682_LDO1_DVO_12 | RT5682_HP_DRIVER_5X);
- regmap_write(rt5682->regmap, RT5682_MICBIAS_2, 0x0380);
- regmap_write(rt5682->regmap, RT5682_TEST_MODE_CTRL_1, 0x0000);
- regmap_update_bits(rt5682->regmap, RT5682_BIAS_CUR_CTRL_8,
- RT5682_HPA_CP_BIAS_CTRL_MASK, RT5682_HPA_CP_BIAS_3UA);
- regmap_update_bits(rt5682->regmap, RT5682_CHARGE_PUMP_1,
- RT5682_CP_CLK_HP_MASK, RT5682_CP_CLK_HP_300KHZ);
- regmap_update_bits(rt5682->regmap, RT5682_HP_CHARGE_PUMP_1,
- RT5682_PM_HP_MASK, RT5682_PM_HP_HV);
-
- /* Soundwire */
- regmap_write(rt5682->regmap, RT5682_PLL2_INTERNAL, 0xa266);
- regmap_write(rt5682->regmap, RT5682_PLL2_CTRL_1, 0x1700);
- regmap_write(rt5682->regmap, RT5682_PLL2_CTRL_2, 0x0006);
- regmap_write(rt5682->regmap, RT5682_PLL2_CTRL_3, 0x2600);
- regmap_write(rt5682->regmap, RT5682_PLL2_CTRL_4, 0x0c8f);
- regmap_write(rt5682->regmap, RT5682_PLL_TRACK_2, 0x3000);
- regmap_write(rt5682->regmap, RT5682_PLL_TRACK_3, 0x4000);
- regmap_update_bits(rt5682->regmap, RT5682_GLB_CLK,
- RT5682_SCLK_SRC_MASK | RT5682_PLL2_SRC_MASK,
- RT5682_SCLK_SRC_PLL2 | RT5682_PLL2_SRC_SDW);
-
- regmap_update_bits(rt5682->regmap, RT5682_CBJ_CTRL_2,
- RT5682_EXT_JD_SRC, RT5682_EXT_JD_SRC_MANUAL);
- regmap_write(rt5682->regmap, RT5682_CBJ_CTRL_1, 0xd042);
- regmap_update_bits(rt5682->regmap, RT5682_CBJ_CTRL_3,
- RT5682_CBJ_IN_BUF_EN, RT5682_CBJ_IN_BUF_EN);
- regmap_update_bits(rt5682->regmap, RT5682_SAR_IL_CMD_1,
- RT5682_SAR_POW_MASK, RT5682_SAR_POW_EN);
- regmap_update_bits(rt5682->regmap, RT5682_RC_CLK_CTRL,
- RT5682_POW_IRQ | RT5682_POW_JDH |
- RT5682_POW_ANA, RT5682_POW_IRQ |
- RT5682_POW_JDH | RT5682_POW_ANA);
- regmap_update_bits(rt5682->regmap, RT5682_PWR_ANLG_2,
- RT5682_PWR_JDH, RT5682_PWR_JDH);
- regmap_update_bits(rt5682->regmap, RT5682_IRQ_CTRL_2,
- RT5682_JD1_EN_MASK | RT5682_JD1_IRQ_MASK,
- RT5682_JD1_EN | RT5682_JD1_IRQ_PUL);
-
-reinit:
- mod_delayed_work(system_power_efficient_wq,
- &rt5682->jack_detect_work, msecs_to_jiffies(250));
-
- /* Mark Slave initialization complete */
- rt5682->hw_init = true;
- rt5682->first_hw_init = true;
-
- pm_runtime_mark_last_busy(&slave->dev);
- pm_runtime_put_autosuspend(&slave->dev);
-
- dev_dbg(&slave->dev, "%s hw_init complete\n", __func__);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(rt5682_io_init);
-#endif
-
-static int rt5682_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
-{
- struct rt5682_platform_data *pdata = dev_get_platdata(&i2c->dev);
- struct rt5682_priv *rt5682;
- int i, ret;
- unsigned int val;
-
- rt5682 = devm_kzalloc(&i2c->dev, sizeof(struct rt5682_priv),
- GFP_KERNEL);
- if (!rt5682)
- return -ENOMEM;
-
- i2c_set_clientdata(i2c, rt5682);
-
- rt5682->pdata = i2s_default_platform_data;
-
- if (pdata)
- rt5682->pdata = *pdata;
- else
- rt5682_parse_dt(rt5682, &i2c->dev);
-
- rt5682->regmap = devm_regmap_init_i2c(i2c, &rt5682_regmap);
- if (IS_ERR(rt5682->regmap)) {
- ret = PTR_ERR(rt5682->regmap);
- dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
- ret);
- return ret;
- }
-
- for (i = 0; i < ARRAY_SIZE(rt5682->supplies); i++)
- rt5682->supplies[i].supply = rt5682_supply_names[i];
-
- ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(rt5682->supplies),
- rt5682->supplies);
- if (ret) {
- dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret);
- return ret;
- }
-
- ret = regulator_bulk_enable(ARRAY_SIZE(rt5682->supplies),
- rt5682->supplies);
- if (ret) {
- dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret);
- return ret;
- }
-
- if (gpio_is_valid(rt5682->pdata.ldo1_en)) {
- if (devm_gpio_request_one(&i2c->dev, rt5682->pdata.ldo1_en,
- GPIOF_OUT_INIT_HIGH, "rt5682"))
- dev_err(&i2c->dev, "Fail gpio_request gpio_ldo\n");
- }
-
- /* Sleep for 300 ms miniumum */
- usleep_range(300000, 350000);
-
- regmap_write(rt5682->regmap, RT5682_I2C_MODE, 0x1);
- usleep_range(10000, 15000);
-
- regmap_read(rt5682->regmap, RT5682_DEVICE_ID, &val);
- if (val != DEVICE_ID) {
- dev_err(&i2c->dev,
- "Device with ID register %x is not rt5682\n", val);
- return -ENODEV;
- }
-
- mutex_init(&rt5682->calibrate_mutex);
- rt5682_calibrate(rt5682);
-
- ret = regmap_multi_reg_write(rt5682->regmap, patch_list,
- ARRAY_SIZE(patch_list));
- if (ret)
- dev_warn(&i2c->dev, "Failed to apply regmap patch: %d\n", ret);
-
- regmap_write(rt5682->regmap, RT5682_DEPOP_1, 0x0000);
-
- /* DMIC pin*/
- if (rt5682->pdata.dmic1_data_pin != RT5682_DMIC1_NULL) {
- switch (rt5682->pdata.dmic1_data_pin) {
- case RT5682_DMIC1_DATA_GPIO2: /* share with LRCK2 */
- regmap_update_bits(rt5682->regmap, RT5682_DMIC_CTRL_1,
- RT5682_DMIC_1_DP_MASK, RT5682_DMIC_1_DP_GPIO2);
- regmap_update_bits(rt5682->regmap, RT5682_GPIO_CTRL_1,
- RT5682_GP2_PIN_MASK, RT5682_GP2_PIN_DMIC_SDA);
- break;
-
- case RT5682_DMIC1_DATA_GPIO5: /* share with DACDAT1 */
- regmap_update_bits(rt5682->regmap, RT5682_DMIC_CTRL_1,
- RT5682_DMIC_1_DP_MASK, RT5682_DMIC_1_DP_GPIO5);
- regmap_update_bits(rt5682->regmap, RT5682_GPIO_CTRL_1,
- RT5682_GP5_PIN_MASK, RT5682_GP5_PIN_DMIC_SDA);
- break;
-
- default:
- dev_warn(&i2c->dev, "invalid DMIC_DAT pin\n");
- break;
- }
-
- switch (rt5682->pdata.dmic1_clk_pin) {
- case RT5682_DMIC1_CLK_GPIO1: /* share with IRQ */
- regmap_update_bits(rt5682->regmap, RT5682_GPIO_CTRL_1,
- RT5682_GP1_PIN_MASK, RT5682_GP1_PIN_DMIC_CLK);
- break;
-
- case RT5682_DMIC1_CLK_GPIO3: /* share with BCLK2 */
- regmap_update_bits(rt5682->regmap, RT5682_GPIO_CTRL_1,
- RT5682_GP3_PIN_MASK, RT5682_GP3_PIN_DMIC_CLK);
- break;
-
- default:
- dev_warn(&i2c->dev, "invalid DMIC_CLK pin\n");
- break;
- }
- }
-
- regmap_update_bits(rt5682->regmap, RT5682_PWR_ANLG_1,
- RT5682_LDO1_DVO_MASK | RT5682_HP_DRIVER_MASK,
- RT5682_LDO1_DVO_12 | RT5682_HP_DRIVER_5X);
- regmap_write(rt5682->regmap, RT5682_MICBIAS_2, 0x0380);
- regmap_update_bits(rt5682->regmap, RT5682_GPIO_CTRL_1,
- RT5682_GP4_PIN_MASK | RT5682_GP5_PIN_MASK,
- RT5682_GP4_PIN_ADCDAT1 | RT5682_GP5_PIN_DACDAT1);
- regmap_write(rt5682->regmap, RT5682_TEST_MODE_CTRL_1, 0x0000);
- regmap_update_bits(rt5682->regmap, RT5682_BIAS_CUR_CTRL_8,
- RT5682_HPA_CP_BIAS_CTRL_MASK, RT5682_HPA_CP_BIAS_3UA);
- regmap_update_bits(rt5682->regmap, RT5682_CHARGE_PUMP_1,
- RT5682_CP_CLK_HP_MASK, RT5682_CP_CLK_HP_300KHZ);
- regmap_update_bits(rt5682->regmap, RT5682_HP_CHARGE_PUMP_1,
- RT5682_PM_HP_MASK, RT5682_PM_HP_HV);
- regmap_update_bits(rt5682->regmap, RT5682_DMIC_CTRL_1,
- RT5682_FIFO_CLK_DIV_MASK, RT5682_FIFO_CLK_DIV_2);
-
- INIT_DELAYED_WORK(&rt5682->jack_detect_work,
- rt5682_jack_detect_handler);
- INIT_DELAYED_WORK(&rt5682->jd_check_work,
- rt5682_jd_check_handler);
-
- if (i2c->irq) {
- ret = devm_request_threaded_irq(&i2c->dev, i2c->irq, NULL,
- rt5682_irq, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING
- | IRQF_ONESHOT, "rt5682", rt5682);
- if (ret)
- dev_err(&i2c->dev, "Failed to reguest IRQ: %d\n", ret);
- }
-
- return devm_snd_soc_register_component(&i2c->dev,
- &soc_component_dev_rt5682,
- rt5682_dai, ARRAY_SIZE(rt5682_dai));
-}
-
-static void rt5682_i2c_shutdown(struct i2c_client *client)
-{
- struct rt5682_priv *rt5682 = i2c_get_clientdata(client);
-
- rt5682_reset(rt5682);
-}
-
-#ifdef CONFIG_OF
-static const struct of_device_id rt5682_of_match[] = {
- {.compatible = "realtek,rt5682i"},
- {},
-};
-MODULE_DEVICE_TABLE(of, rt5682_of_match);
-#endif
-
-#ifdef CONFIG_ACPI
-static const struct acpi_device_id rt5682_acpi_match[] = {
- {"10EC5682", 0,},
- {},
-};
-MODULE_DEVICE_TABLE(acpi, rt5682_acpi_match);
-#endif
-
-static struct i2c_driver __maybe_unused rt5682_i2c_driver = {
- .driver = {
- .name = "rt5682",
- .of_match_table = of_match_ptr(rt5682_of_match),
- .acpi_match_table = ACPI_PTR(rt5682_acpi_match),
- },
- .probe = rt5682_i2c_probe,
- .shutdown = rt5682_i2c_shutdown,
- .id_table = rt5682_i2c_id,
-};
-
-#ifdef CONFIG_I2C
-module_i2c_driver(rt5682_i2c_driver);
-#endif
+EXPORT_SYMBOL_GPL(rt5682_calibrate);
MODULE_DESCRIPTION("ASoC RT5682 driver");
MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");