[PATCH 1/2] ASoC: rt5682: Add the soundwire support
Oder Chiou
oder_chiou at realtek.com
Wed Feb 19 11:28:57 CET 2020
This patch adds the soundwire support for ALC5682.
Signed-off-by: Oder Chiou <oder_chiou at realtek.com>
---
sound/soc/codecs/Kconfig | 7 +
sound/soc/codecs/Makefile | 2 +
sound/soc/codecs/rt5682-sdw.c | 333 +++++++++++++++++++++
sound/soc/codecs/rt5682-sdw.h | 20 ++
sound/soc/codecs/rt5682.c | 526 +++++++++++++++++++++++++++++++---
sound/soc/codecs/rt5682.h | 49 ++++
6 files changed, 897 insertions(+), 40 deletions(-)
create mode 100644 sound/soc/codecs/rt5682-sdw.c
create mode 100644 sound/soc/codecs/rt5682-sdw.h
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index d957fd6980b1..2e9afe12fc8f 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -168,6 +168,7 @@ config SND_SOC_ALL_CODECS
imply SND_SOC_RT5670
imply SND_SOC_RT5677
imply SND_SOC_RT5682
+ imply SND_SOC_RT5682_SDW
imply SND_SOC_RT700_SDW
imply SND_SOC_RT711_SDW
imply SND_SOC_RT715_SDW
@@ -1135,6 +1136,12 @@ config SND_SOC_RT5682
tristate
depends on I2C
+config SND_SOC_RT5682_SDW
+ tristate "Realtek RT5682 Codec - SDW"
+ depends on SOUNDWIRE
+ select SND_SOC_RT5682
+ select REGMAP_SOUNDWIRE
+
config SND_SOC_RT700
tristate
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index ba1b4b3fa2da..c0561f584f5b 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -177,6 +177,7 @@ snd-soc-rt5670-objs := rt5670.o
snd-soc-rt5677-objs := rt5677.o
snd-soc-rt5677-spi-objs := rt5677-spi.o
snd-soc-rt5682-objs := rt5682.o
+snd-soc-rt5682-sdw-objs := rt5682-sdw.o
snd-soc-rt700-objs := rt700.o rt700-sdw.o
snd-soc-rt711-objs := rt711.o rt711-sdw.o
snd-soc-rt715-objs := rt715.o rt715-sdw.o
@@ -476,6 +477,7 @@ obj-$(CONFIG_SND_SOC_RT5670) += snd-soc-rt5670.o
obj-$(CONFIG_SND_SOC_RT5677) += snd-soc-rt5677.o
obj-$(CONFIG_SND_SOC_RT5677_SPI) += snd-soc-rt5677-spi.o
obj-$(CONFIG_SND_SOC_RT5682) += snd-soc-rt5682.o
+obj-$(CONFIG_SND_SOC_RT5682_SDW) += snd-soc-rt5682-sdw.o
obj-$(CONFIG_SND_SOC_RT700) += snd-soc-rt700.o
obj-$(CONFIG_SND_SOC_RT711) += snd-soc-rt711.o
obj-$(CONFIG_SND_SOC_RT715) += snd-soc-rt715.o
diff --git a/sound/soc/codecs/rt5682-sdw.c b/sound/soc/codecs/rt5682-sdw.c
new file mode 100644
index 000000000000..fc31d04b5203
--- /dev/null
+++ b/sound/soc/codecs/rt5682-sdw.c
@@ -0,0 +1,333 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// rt5682-sdw.c -- RT5682 ALSA SoC audio component driver
+//
+// Copyright 2019 Realtek Semiconductor Corp.
+// Author: Oder Chiou <oder_chiou at realtek.com>
+//
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <linux/acpi.h>
+#include <linux/gpio.h>
+#include <linux/of_gpio.h>
+#include <linux/regulator/consumer.h>
+#include <linux/mutex.h>
+#include <linux/soundwire/sdw.h>
+#include <linux/soundwire/sdw_type.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 "rt5682.h"
+#include "rt5682-sdw.h"
+
+static bool rt5682_sdw_readable_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case 0x00e0:
+ case 0x00f0:
+ case 0x3000:
+ case 0x3001:
+ case 0x3004:
+ case 0x3005:
+ case 0x3008:
+ return true;
+ default:
+ return false;
+ }
+}
+
+const struct regmap_config rt5682_sdw_regmap = {
+ .name = "sdw",
+ .reg_bits = 32,
+ .val_bits = 8,
+ .max_register = RT5682_I2C_MODE,
+ .readable_reg = rt5682_sdw_readable_register,
+ .cache_type = REGCACHE_NONE,
+ .use_single_read = true,
+ .use_single_write = true,
+};
+
+static int rt5682_update_status(struct sdw_slave *slave,
+ enum sdw_slave_status status)
+{
+ struct rt5682_priv *rt5682 = dev_get_drvdata(&slave->dev);
+
+ /* Update the status */
+ rt5682->status = status;
+
+ if (status == SDW_SLAVE_UNATTACHED)
+ rt5682->hw_init = false;
+
+ /*
+ * Perform initialization only if slave status is present and
+ * hw_init flag is false
+ */
+ if (rt5682->hw_init || rt5682->status != SDW_SLAVE_ATTACHED)
+ return 0;
+
+ /* perform I/O transfers required for Slave initialization */
+ return rt5682_io_init(&slave->dev, slave);
+}
+
+static int rt5682_read_prop(struct sdw_slave *slave)
+{
+ struct sdw_slave_prop *prop = &slave->prop;
+ int nval, i, num_of_ports = 1;
+ u32 bit;
+ unsigned long addr;
+ struct sdw_dpn_prop *dpn;
+
+ prop->paging_support = false;
+
+ /* first we need to allocate memory for set bits in port lists */
+ prop->source_ports = 0x4; /* BITMAP: 00000100 */
+ prop->sink_ports = 0x2; /* BITMAP: 00000010 */
+
+ nval = hweight32(prop->source_ports);
+ num_of_ports += nval;
+ prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,
+ sizeof(*prop->src_dpn_prop),
+ GFP_KERNEL);
+ if (!prop->src_dpn_prop)
+ return -ENOMEM;
+
+ i = 0;
+ dpn = prop->src_dpn_prop;
+ addr = prop->source_ports;
+ for_each_set_bit(bit, &addr, 32) {
+ dpn[i].num = bit;
+ dpn[i].type = SDW_DPN_FULL;
+ dpn[i].simple_ch_prep_sm = true;
+ dpn[i].ch_prep_timeout = 10;
+ i++;
+ }
+
+ /* do this again for sink now */
+ nval = hweight32(prop->sink_ports);
+ num_of_ports += nval;
+ prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval,
+ sizeof(*prop->sink_dpn_prop),
+ GFP_KERNEL);
+ if (!prop->sink_dpn_prop)
+ return -ENOMEM;
+
+ i = 0;
+ dpn = prop->sink_dpn_prop;
+ addr = prop->sink_ports;
+ for_each_set_bit(bit, &addr, 32) {
+ dpn[i].num = bit;
+ dpn[i].type = SDW_DPN_FULL;
+ dpn[i].simple_ch_prep_sm = true;
+ dpn[i].ch_prep_timeout = 10;
+ i++;
+ }
+
+ /* Allocate port_ready based on num_of_ports */
+ slave->port_ready = devm_kcalloc(&slave->dev, num_of_ports,
+ sizeof(*slave->port_ready),
+ GFP_KERNEL);
+ if (!slave->port_ready)
+ return -ENOMEM;
+
+ /* Initialize completion */
+ for (i = 0; i < num_of_ports; i++)
+ init_completion(&slave->port_ready[i]);
+
+ /* set the timeout values */
+ prop->clk_stop_timeout = 20;
+
+ /* wake-up event */
+ prop->wake_capable = 1;
+
+ return 0;
+}
+
+/* Bus clock frequency */
+#define RT5682_CLK_FREQ_9600000HZ 9600000
+#define RT5682_CLK_FREQ_12000000HZ 12000000
+#define RT5682_CLK_FREQ_6000000HZ 6000000
+#define RT5682_CLK_FREQ_4800000HZ 4800000
+#define RT5682_CLK_FREQ_2400000HZ 2400000
+#define RT5682_CLK_FREQ_12288000HZ 12288000
+
+int rt5682_clock_config(struct device *dev)
+{
+ struct rt5682_priv *rt5682 = dev_get_drvdata(dev);
+ unsigned int clk_freq, value;
+
+ clk_freq = (rt5682->params.curr_dr_freq >> 1);
+
+ switch (clk_freq) {
+ case RT5682_CLK_FREQ_12000000HZ:
+ value = 0x0;
+ break;
+ case RT5682_CLK_FREQ_6000000HZ:
+ value = 0x1;
+ break;
+ case RT5682_CLK_FREQ_9600000HZ:
+ value = 0x2;
+ break;
+ case RT5682_CLK_FREQ_4800000HZ:
+ value = 0x3;
+ break;
+ case RT5682_CLK_FREQ_2400000HZ:
+ value = 0x4;
+ break;
+ case RT5682_CLK_FREQ_12288000HZ:
+ value = 0x5;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ regmap_write(rt5682->sdw_regmap, 0xe0, value);
+ regmap_write(rt5682->sdw_regmap, 0xf0, value);
+
+ dev_dbg(dev, "%s complete, clk_freq=%d\n", __func__, clk_freq);
+
+ return 0;
+}
+
+static int rt5682_bus_config(struct sdw_slave *slave,
+ struct sdw_bus_params *params)
+{
+ struct rt5682_priv *rt5682 = dev_get_drvdata(&slave->dev);
+ int ret;
+
+ memcpy(&rt5682->params, params, sizeof(*params));
+
+ ret = rt5682_clock_config(&slave->dev);
+ if (ret < 0)
+ dev_err(&slave->dev, "Invalid clk config");
+
+ return ret;
+}
+
+static int rt5682_interrupt_callback(struct sdw_slave *slave,
+ struct sdw_slave_intr_status *status)
+{
+ struct rt5682_priv *rt5682 = dev_get_drvdata(&slave->dev);
+
+ dev_dbg(&slave->dev,
+ "%s control_port_stat=%x", __func__, status->control_port);
+
+ if (status->control_port & 0x4) {
+ mod_delayed_work(system_power_efficient_wq,
+ &rt5682->jack_detect_work, msecs_to_jiffies(250));
+ }
+
+ return 0;
+}
+
+static struct sdw_slave_ops rt5682_slave_ops = {
+ .read_prop = rt5682_read_prop,
+ .interrupt_callback = rt5682_interrupt_callback,
+ .update_status = rt5682_update_status,
+ .bus_config = rt5682_bus_config,
+};
+
+static int rt5682_sdw_probe(struct sdw_slave *slave,
+ const struct sdw_device_id *id)
+{
+ struct regmap *regmap;
+
+ /* Assign ops */
+ slave->ops = &rt5682_slave_ops;
+
+ /* Regmap Initialization */
+ regmap = devm_regmap_init_sdw(slave, &rt5682_sdw_regmap);
+ if (IS_ERR(regmap))
+ return -EINVAL;
+
+ rt5682_sdw_init(&slave->dev, regmap, slave);
+
+ return 0;
+}
+
+static int rt5682_sdw_remove(struct sdw_slave *slave)
+{
+ struct rt5682_priv *rt5682 = dev_get_drvdata(&slave->dev);
+
+ if (rt5682 && rt5682->hw_init)
+ cancel_delayed_work(&rt5682->jack_detect_work);
+
+ return 0;
+}
+
+static const struct sdw_device_id rt5682_id[] = {
+ SDW_SLAVE_ENTRY(0x025d, 0x5682, 0),
+ {},
+};
+MODULE_DEVICE_TABLE(sdw, rt5682_id);
+
+static int rt5682_dev_suspend(struct device *dev)
+{
+ struct rt5682_priv *rt5682 = dev_get_drvdata(dev);
+
+ if (!rt5682->hw_init)
+ return 0;
+
+ regcache_cache_only(rt5682->regmap, true);
+ regcache_mark_dirty(rt5682->regmap);
+
+ return 0;
+}
+
+static int rt5682_dev_resume(struct device *dev)
+{
+ struct sdw_slave *slave = dev_to_sdw_dev(dev);
+ struct rt5682_priv *rt5682 = dev_get_drvdata(dev);
+ unsigned long time;
+
+ if (!rt5682->hw_init)
+ return 0;
+
+ if (!slave->unattach_request)
+ goto regmap_sync;
+
+ time = wait_for_completion_timeout(&slave->initialization_complete,
+ msecs_to_jiffies(RT5682_PROBE_TIMEOUT));
+ if (!time) {
+ dev_err(&slave->dev, "Initialization not complete, timed out\n");
+ return -ETIMEDOUT;
+ }
+
+regmap_sync:
+ slave->unattach_request = 0;
+ regcache_cache_only(rt5682->regmap, false);
+ regcache_sync(rt5682->regmap);
+
+ return 0;
+}
+
+static const struct dev_pm_ops rt5682_pm = {
+ SET_SYSTEM_SLEEP_PM_OPS(rt5682_dev_suspend, rt5682_dev_resume)
+ SET_RUNTIME_PM_OPS(rt5682_dev_suspend, rt5682_dev_resume, NULL)
+};
+
+static struct sdw_driver rt5682_sdw_driver = {
+ .driver = {
+ .name = "rt5682",
+ .owner = THIS_MODULE,
+ .pm = &rt5682_pm,
+ },
+ .probe = rt5682_sdw_probe,
+ .remove = rt5682_sdw_remove,
+ .ops = &rt5682_slave_ops,
+ .id_table = rt5682_id,
+};
+module_sdw_driver(rt5682_sdw_driver);
+
+MODULE_DESCRIPTION("ASoC RT5682 driver SDW");
+MODULE_AUTHOR("Oder Chiou <oder_chiou at realtek.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/codecs/rt5682-sdw.h b/sound/soc/codecs/rt5682-sdw.h
new file mode 100644
index 000000000000..76e6f607066e
--- /dev/null
+++ b/sound/soc/codecs/rt5682-sdw.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0-only
+ *
+ * rt5682-sdw.h -- RT5682 SDW ALSA SoC audio driver
+ *
+ * Copyright 2019 Realtek Semiconductor Corp.
+ * Author: Oder Chiou <oder_chiou at realtek.com>
+ */
+
+#ifndef __RT5682_SDW_H__
+#define __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
+
+#define RT5682_PROBE_TIMEOUT 2000
+
+#endif /* __RT5682_SDW_H__ */
diff --git a/sound/soc/codecs/rt5682.c b/sound/soc/codecs/rt5682.c
index 6774813e0eea..1795a8bbea1a 100644
--- a/sound/soc/codecs/rt5682.c
+++ b/sound/soc/codecs/rt5682.c
@@ -11,13 +11,13 @@
#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/regulator/consumer.h>
#include <linux/mutex.h>
#include <sound/core.h>
#include <sound/pcm.h>
@@ -27,15 +27,11 @@
#include <sound/soc-dapm.h>
#include <sound/initval.h>
#include <sound/tlv.h>
-#include <linux/clk.h>
-#include <linux/clkdev.h>
-#include <linux/clk-provider.h>
#include <sound/rt5682.h>
#include "rl6231.h"
#include "rt5682.h"
-
-#define RT5682_NUM_SUPPLIES 3
+#include "rt5682-sdw.h"
static const char *rt5682_supply_names[RT5682_NUM_SUPPLIES] = {
"AVDD",
@@ -52,37 +48,6 @@ static const struct rt5682_platform_data i2s_default_platform_data = {
.dai_clk_names[RT5682_DAI_BCLK_IDX] = "rt5682-dai-bclk",
};
-struct rt5682_priv {
- struct snd_soc_component *component;
- struct rt5682_platform_data pdata;
- struct regmap *regmap;
- struct snd_soc_jack *hs_jack;
- struct regulator_bulk_data supplies[RT5682_NUM_SUPPLIES];
- struct delayed_work jack_detect_work;
- struct delayed_work jd_check_work;
- struct mutex calibrate_mutex;
- bool is_sdw;
-
-#ifdef CONFIG_COMMON_CLK
- struct clk_hw dai_clks_hw[RT5682_DAI_NUM_CLKS];
- struct clk_lookup *dai_clks_lookup[RT5682_DAI_NUM_CLKS];
- struct clk *dai_clks[RT5682_DAI_NUM_CLKS];
- struct clk *mclk;
-#endif
-
- int sysclk;
- int sysclk_src;
- int lrck[RT5682_AIFS];
- int bclk[RT5682_AIFS];
- int master[RT5682_AIFS];
-
- int pll_src[RT5682_PLLS];
- int pll_in[RT5682_PLLS];
- int pll_out[RT5682_PLLS];
-
- int jack_type;
-};
-
static const struct reg_sequence patch_list[] = {
{RT5682_HP_IMP_SENS_CTRL_19, 0x1000},
{RT5682_DAC_ADC_DIG_VOL1, 0xa020},
@@ -819,6 +784,22 @@ static const struct snd_kcontrol_new rt5682_if1_45_adc_swap_mux =
static const struct snd_kcontrol_new rt5682_if1_67_adc_swap_mux =
SOC_DAPM_ENUM("IF1 67 ADC Swap Mux", rt5682_if1_67_adc_enum);
+static const char * const rt5682_dac_select[] = {
+ "IF1", "SOUND"
+};
+
+static SOC_ENUM_SINGLE_DECL(rt5682_dacl_enum,
+ RT5682_AD_DA_MIXER, RT5682_DAC1_L_SEL_SFT, rt5682_dac_select);
+
+static const struct snd_kcontrol_new rt5682_dac_l_mux =
+ SOC_DAPM_ENUM("DAC L Mux", rt5682_dacl_enum);
+
+static SOC_ENUM_SINGLE_DECL(rt5682_dacr_enum,
+ RT5682_AD_DA_MIXER, RT5682_DAC1_R_SEL_SFT, rt5682_dac_select);
+
+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)
{
regmap_write(rt5682->regmap, RT5682_RESET, 0);
@@ -1271,6 +1252,9 @@ static int set_filter_clk(struct snd_soc_dapm_widget *w,
static const int div_f[] = {1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48};
static const int div_o[] = {1, 2, 4, 6, 8, 12, 16, 24, 32, 48};
+ if (rt5682->is_sdw)
+ return 0;
+
val = snd_soc_component_read32(component, RT5682_GPIO_CTRL_1) &
RT5682_GP4_PIN_MASK;
if (w->shift == RT5682_PWR_ADC_S1F_BIT &&
@@ -1743,6 +1727,8 @@ static const struct snd_soc_dapm_widget rt5682_dapm_widgets[] = {
SND_SOC_DAPM_PGA("IF1 DAC1", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_PGA("IF1 DAC1 L", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_PGA("IF1 DAC1 R", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("SOUND DAC L", SND_SOC_NOPM, 0, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("SOUND DAC R", SND_SOC_NOPM, 0, 0, NULL, 0),
/* Digital Interface Select */
SND_SOC_DAPM_MUX("IF1 01 ADC Swap Mux", SND_SOC_NOPM, 0, 0,
@@ -1759,12 +1745,19 @@ static const struct snd_soc_dapm_widget rt5682_dapm_widgets[] = {
SND_SOC_DAPM_MUX("ADCDAT Mux", SND_SOC_NOPM, 0, 0,
&rt5682_adcdat_pin_ctrl),
+ SND_SOC_DAPM_MUX("DAC L Mux", SND_SOC_NOPM, 0, 0,
+ &rt5682_dac_l_mux),
+ SND_SOC_DAPM_MUX("DAC R Mux", SND_SOC_NOPM, 0, 0,
+ &rt5682_dac_r_mux),
+
/* Audio Interface */
SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0,
RT5682_I2S1_SDP, RT5682_SEL_ADCDAT_SFT, 1),
SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0,
RT5682_I2S2_SDP, RT5682_I2S2_PIN_CFG_SFT, 1),
SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_IN("SDWRX", "SDW Playback", 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_OUT("SDWTX", "SDW Capture", 0, SND_SOC_NOPM, 0, 0),
/* Output Side */
/* DAC mixer before sound effect */
@@ -1921,8 +1914,8 @@ static const struct snd_soc_dapm_route rt5682_dapm_routes[] = {
{"IF1_ADC Mux", "Slot 2", "IF1 23 ADC Swap Mux"},
{"IF1_ADC Mux", "Slot 4", "IF1 45 ADC Swap Mux"},
{"IF1_ADC Mux", "Slot 6", "IF1 67 ADC Swap Mux"},
- {"IF1_ADC Mux", NULL, "I2S1"},
{"ADCDAT Mux", "ADCDAT1", "IF1_ADC Mux"},
+ {"AIF1TX", NULL, "I2S1"},
{"AIF1TX", NULL, "ADCDAT Mux"},
{"IF2 ADC Swap Mux", "L/R", "Stereo1 ADC MIX"},
{"IF2 ADC Swap Mux", "R/L", "Stereo1 ADC MIX"},
@@ -1931,6 +1924,10 @@ static const struct snd_soc_dapm_route rt5682_dapm_routes[] = {
{"ADCDAT Mux", "ADCDAT2", "IF2 ADC Swap Mux"},
{"AIF2TX", NULL, "ADCDAT Mux"},
+ {"SDWTX", NULL, "PLL2B"},
+ {"SDWTX", NULL, "PLL2F"},
+ {"SDWTX", NULL, "ADCDAT Mux"},
+
{"IF1 DAC1 L", NULL, "AIF1RX"},
{"IF1 DAC1 L", NULL, "I2S1"},
{"IF1 DAC1 L", NULL, "DAC Stereo1 Filter"},
@@ -1938,10 +1935,24 @@ static const struct snd_soc_dapm_route rt5682_dapm_routes[] = {
{"IF1 DAC1 R", NULL, "I2S1"},
{"IF1 DAC1 R", NULL, "DAC Stereo1 Filter"},
+ {"SOUND DAC L", NULL, "SDWRX"},
+ {"SOUND DAC L", NULL, "DAC Stereo1 Filter"},
+ {"SOUND DAC L", NULL, "PLL2B"},
+ {"SOUND DAC L", NULL, "PLL2F"},
+ {"SOUND DAC R", NULL, "SDWRX"},
+ {"SOUND DAC R", NULL, "DAC Stereo1 Filter"},
+ {"SOUND DAC R", NULL, "PLL2B"},
+ {"SOUND DAC R", NULL, "PLL2F"},
+
+ {"DAC L Mux", "IF1", "IF1 DAC1 L"},
+ {"DAC L Mux", "SOUND", "SOUND DAC L"},
+ {"DAC R Mux", "IF1", "IF1 DAC1 R"},
+ {"DAC R Mux", "SOUND", "SOUND DAC R"},
+
{"DAC1 MIXL", "Stereo ADC Switch", "Stereo1 ADC MIXL"},
- {"DAC1 MIXL", "DAC1 Switch", "IF1 DAC1 L"},
+ {"DAC1 MIXL", "DAC1 Switch", "DAC L Mux"},
{"DAC1 MIXR", "Stereo ADC Switch", "Stereo1 ADC MIXR"},
- {"DAC1 MIXR", "DAC1 Switch", "IF1 DAC1 R"},
+ {"DAC1 MIXR", "DAC1 Switch", "DAC R Mux"},
{"Stereo1 DAC MIXL", "DAC L1 Switch", "DAC1 MIXL"},
{"Stereo1 DAC MIXL", "DAC R1 Switch", "DAC1 MIXR"},
@@ -2826,6 +2837,8 @@ static int rt5682_register_dai_clks(struct snd_soc_component *component)
static int rt5682_probe(struct snd_soc_component *component)
{
struct rt5682_priv *rt5682 = snd_soc_component_get_drvdata(component);
+ struct sdw_slave *slave;
+ unsigned long time;
#ifdef CONFIG_COMMON_CLK
int ret;
@@ -2852,6 +2865,17 @@ static int rt5682_probe(struct snd_soc_component *component)
rt5682->lrck[RT5682_AIF1] = CLK_48;
#endif
+ if (rt5682->is_sdw) {
+ slave = rt5682->slave;
+ time = wait_for_completion_timeout(
+ &slave->initialization_complete,
+ msecs_to_jiffies(RT5682_PROBE_TIMEOUT));
+ if (!time) {
+ dev_err(&slave->dev, "Initialization not complete, timed out\n");
+ return -ETIMEDOUT;
+ }
+ }
+
return 0;
}
@@ -2914,6 +2938,194 @@ static const struct snd_soc_dai_ops rt5682_aif2_dai_ops = {
.set_bclk_ratio = rt5682_set_bclk2_ratio,
};
+#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;
+
+ 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",
@@ -2946,6 +3158,27 @@ static struct snd_soc_dai_driver rt5682_dai[] = {
},
.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 = {
@@ -3064,6 +3297,219 @@ static void rt5682_calibrate(struct rt5682_priv *rt5682)
}
+#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) {
+ pr_err("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);
+
+ rt5682_reset(rt5682);
+
+ 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 != 0)
+ 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);
+
+ /* 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)
{
diff --git a/sound/soc/codecs/rt5682.h b/sound/soc/codecs/rt5682.h
index f82126a6f211..43de6e802309 100644
--- a/sound/soc/codecs/rt5682.h
+++ b/sound/soc/codecs/rt5682.h
@@ -10,6 +10,12 @@
#define __RT5682_H__
#include <sound/rt5682.h>
+#include <linux/regulator/consumer.h>
+#include <linux/clk.h>
+#include <linux/clkdev.h>
+#include <linux/clk-provider.h>
+#include <linux/soundwire/sdw.h>
+#include <linux/soundwire/sdw_type.h>
#define DEVICE_ID 0x6530
@@ -1355,6 +1361,7 @@ enum {
enum {
RT5682_AIF1,
RT5682_AIF2,
+ RT5682_SDW,
RT5682_AIFS
};
@@ -1370,7 +1377,49 @@ enum {
RT5682_CLK_SEL_I2S2_ASRC,
};
+#define RT5682_NUM_SUPPLIES 3
+
+struct rt5682_priv {
+ struct snd_soc_component *component;
+ struct rt5682_platform_data pdata;
+ struct regmap *regmap;
+ struct regmap *sdw_regmap;
+ struct snd_soc_jack *hs_jack;
+ struct regulator_bulk_data supplies[RT5682_NUM_SUPPLIES];
+ struct delayed_work jack_detect_work;
+ struct delayed_work jd_check_work;
+ struct mutex calibrate_mutex;
+ struct sdw_slave *slave;
+ enum sdw_slave_status status;
+ struct sdw_bus_params params;
+ bool hw_init;
+ bool first_hw_init;
+ bool is_sdw;
+
+#ifdef CONFIG_COMMON_CLK
+ struct clk_hw dai_clks_hw[RT5682_DAI_NUM_CLKS];
+ struct clk_lookup *dai_clks_lookup[RT5682_DAI_NUM_CLKS];
+ struct clk *dai_clks[RT5682_DAI_NUM_CLKS];
+ struct clk *mclk;
+#endif
+
+ int sysclk;
+ int sysclk_src;
+ int lrck[RT5682_AIFS];
+ int bclk[RT5682_AIFS];
+ int master[RT5682_AIFS];
+
+ int pll_src[RT5682_PLLS];
+ int pll_in[RT5682_PLLS];
+ int pll_out[RT5682_PLLS];
+
+ int jack_type;
+};
+
int rt5682_sel_asrc_clk_src(struct snd_soc_component *component,
unsigned int filter_mask, unsigned int clk_src);
+int rt5682_sdw_init(struct device *dev, struct regmap *regmap,
+ struct sdw_slave *slave);
+int rt5682_io_init(struct device *dev, struct sdw_slave *slave);
#endif /* __RT5682_H__ */
--
2.25.0
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