From: Jack Yu <jack.yu@xxxxxxxxxxx>
First version of rt715 sdw sdca codec driver.
Signed-off-by: Jack Yu <jack.yu@xxxxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Signed-off-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
---
sound/soc/codecs/Kconfig | 7 +
sound/soc/codecs/Makefile | 2 +
sound/soc/codecs/rt715-sdca-sdw.c | 278 +++++++++
sound/soc/codecs/rt715-sdca-sdw.h | 170 ++++++
sound/soc/codecs/rt715-sdca.c | 947 ++++++++++++++++++++++++++++++
sound/soc/codecs/rt715-sdca.h | 124 ++++
6 files changed, 1528 insertions(+)
create mode 100644 sound/soc/codecs/rt715-sdca-sdw.c
create mode 100644 sound/soc/codecs/rt715-sdca-sdw.h
create mode 100644 sound/soc/codecs/rt715-sdca.c
create mode 100644 sound/soc/codecs/rt715-sdca.h
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 34c6dd04b85a..e7797f08e057 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -177,6 +177,7 @@ config SND_SOC_ALL_CODECS
imply SND_SOC_RT700_SDW
imply SND_SOC_RT711_SDW
imply SND_SOC_RT715_SDW
+ imply SND_SOC_RT715_SDCA_SDW
imply SND_SOC_RT1308_SDW
imply SND_SOC_SGTL5000
imply SND_SOC_SI476X
@@ -1216,6 +1217,12 @@ config SND_SOC_RT715_SDW
select SND_SOC_RT715
select REGMAP_SOUNDWIRE
+config SND_SOC_RT715_SDCA_SDW
+ tristate "Realtek RT715 SDCA Codec - SDW"
+ depends on SOUNDWIRE
+ select REGMAP_SOUNDWIRE
+ select REGMAP_SOUNDWIRE_MBQ
+
#Freescale sgtl5000 codec
config SND_SOC_SGTL5000
tristate "Freescale SGTL5000 CODEC"
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index 11ce98c25d6c..b1683403afb3 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -188,6 +188,7 @@ snd-soc-rt5682-i2c-objs := rt5682-i2c.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
+snd-soc-rt715-sdca-objs := rt715-sdca.o rt715-sdca-sdw.o
snd-soc-sgtl5000-objs := sgtl5000.o
snd-soc-alc5623-objs := alc5623.o
snd-soc-alc5632-objs := alc5632.o
@@ -498,6 +499,7 @@ 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
+obj-$(CONFIG_SND_SOC_RT715_SDCA_SDW) += snd-soc-rt715-sdca.o
obj-$(CONFIG_SND_SOC_SGTL5000) += snd-soc-sgtl5000.o
obj-$(CONFIG_SND_SOC_SIGMADSP) += snd-soc-sigmadsp.o
obj-$(CONFIG_SND_SOC_SIGMADSP_I2C) += snd-soc-sigmadsp-i2c.o
diff --git a/sound/soc/codecs/rt715-sdca-sdw.c b/sound/soc/codecs/rt715-sdca-sdw.c
new file mode 100644
index 000000000000..e73a826ee8e3
--- /dev/null
+++ b/sound/soc/codecs/rt715-sdca-sdw.c
@@ -0,0 +1,278 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// rt715-sdca-sdw.c -- rt715 ALSA SoC audio driver
+//
+// Copyright(c) 2020 Realtek Semiconductor Corp.
+//
+//
+
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/mod_devicetable.h>
+#include <linux/soundwire/sdw.h>
+#include <linux/soundwire/sdw_type.h>
+#include <linux/soundwire/sdw_registers.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <sound/soc.h>
+#include "rt715-sdca.h"
+#include "rt715-sdca-sdw.h"
+
+static bool rt715_sdca_readable_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case 0x201a ... 0x2027:
+ case 0x2029 ... 0x202a:
+ case 0x202d ... 0x2034:
+ case 0x2200 ... 0x2204:
+ case 0x2206 ... 0x2212:
+ case 0x2230 ... 0x2239:
+ case 0x2f5b:
+ case SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
+ RT715_SDCA_SMPU_TRIG_ST_CTRL, CH_00):
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool rt715_sdca_volatile_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case 0x201b:
+ case 0x201c:
+ case 0x201d:
+ case 0x201f:
+ case 0x2021:
+ case 0x2023:
+ case 0x2230:
+ case 0x202d ... 0x202f: /* BRA */
+ case 0x2200 ... 0x2212: /* i2c debug */
+ case 0x2f07:
+ case 0x2f1b ... 0x2f1e:
+ case 0x2f30 ... 0x2f34:
+ case 0x2f50 ... 0x2f51:
+ case 0x2f53 ... 0x2f59:
+ case 0x2f5c ... 0x2f5f:
+ case SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
+ RT715_SDCA_SMPU_TRIG_ST_CTRL, CH_00): /* VAD Searching status */
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool rt715_sdca_mbq_readable_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case 0x2000000:
+ case 0x200002b:
+ case 0x2000036:
+ case 0x2000037:
+ case 0x2000039:
+ case 0x6100000:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool rt715_sdca_mbq_volatile_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case 0x2000000:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static const struct regmap_config rt715_sdca_regmap = {
+ .reg_bits = 32,
+ .val_bits = 8,
+ .readable_reg = rt715_sdca_readable_register,
+ .volatile_reg = rt715_sdca_volatile_register,
+ .max_register = 0x43ffffff,
+ .reg_defaults = rt715_reg_defaults_sdca,
+ .num_reg_defaults = ARRAY_SIZE(rt715_reg_defaults_sdca),
+ .cache_type = REGCACHE_RBTREE,
+ .use_single_read = true,
+ .use_single_write = true,
+};
+
+static const struct regmap_config rt715_sdca_mbq_regmap = {
+ .name = "sdw-mbq",
+ .reg_bits = 32,
+ .val_bits = 16,
+ .readable_reg = rt715_sdca_mbq_readable_register,
+ .volatile_reg = rt715_sdca_mbq_volatile_register,
+ .max_register = 0x43ffffff,
+ .reg_defaults = rt715_mbq_reg_defaults_sdca,
+ .num_reg_defaults = ARRAY_SIZE(rt715_mbq_reg_defaults_sdca),
+ .cache_type = REGCACHE_RBTREE,
+ .use_single_read = true,
+ .use_single_write = true,
+};
+
+static int rt715_sdca_update_status(struct sdw_slave *slave,
+ enum sdw_slave_status status)
+{
+ struct rt715_sdca_priv *rt715 = dev_get_drvdata(&slave->dev);
+
+ /* Update the status */
+ rt715->status = status;
+
+ /*
+ * Perform initialization only if slave status is present and
+ * hw_init flag is false
+ */
+ if (rt715->hw_init || rt715->status != SDW_SLAVE_ATTACHED)
+ return 0;
+
+ /* perform I/O transfers required for Slave initialization */
+ return rt715_sdca_io_init(&slave->dev, slave);
+}
+
+static int rt715_sdca_read_prop(struct sdw_slave *slave)
+{
+ struct sdw_slave_prop *prop = &slave->prop;
+ int nval, i;
+ u32 bit;
+ unsigned long addr;
+ struct sdw_dpn_prop *dpn;
+
+ prop->paging_support = true;
+
+ /* first we need to allocate memory for set bits in port lists */
+ prop->source_ports = 0x50;/* BITMAP: 01010000 */
+ prop->sink_ports = 0x0; /* BITMAP: 00000000 */
+
+ nval = hweight32(prop->source_ports);
+ prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,
+ sizeof(*prop->src_dpn_prop),
+ GFP_KERNEL);
+ if (!prop->src_dpn_prop)
+ return -ENOMEM;
+
+ dpn = prop->src_dpn_prop;
+ i = 0;
+ addr = prop->source_ports;
+ for_each_set_bit(bit, &addr, 32) {
+ dpn[i].num = bit;
+ dpn[i].simple_ch_prep_sm = true;
+ dpn[i].ch_prep_timeout = 10;
+ i++;
+ }
+
+ /* set the timeout values */
+ prop->clk_stop_timeout = 20;
+
+ return 0;
+}
+
+static struct sdw_slave_ops rt715_sdca_slave_ops = {
+ .read_prop = rt715_sdca_read_prop,
+ .update_status = rt715_sdca_update_status,
+};
+
+static int rt715_sdca_sdw_probe(struct sdw_slave *slave,
+ const struct sdw_device_id *id)
+{
+ struct regmap *mbq_regmap, *regmap;
+
+ slave->ops = &rt715_sdca_slave_ops;
+
+ /* Regmap Initialization */
+ mbq_regmap = devm_regmap_init_sdw_mbq(slave, &rt715_sdca_mbq_regmap);
+ if (!mbq_regmap)
+ return -EINVAL;
+
+ regmap = devm_regmap_init_sdw(slave, &rt715_sdca_regmap);
+ if (!regmap)
+ return -EINVAL;
+
+ return rt715_sdca_init(&slave->dev, mbq_regmap, regmap, slave);
+}
+
+static const struct sdw_device_id rt715_sdca_id[] = {
+ SDW_SLAVE_ENTRY_EXT(0x025d, 0x715, 0x3, 0x1, 0),
+ SDW_SLAVE_ENTRY_EXT(0x025d, 0x714, 0x3, 0x1, 0),
+ {},
+};
+MODULE_DEVICE_TABLE(sdw, rt715_sdca_id);
+
+static int __maybe_unused rt715_dev_suspend(struct device *dev)
+{
+ struct rt715_sdca_priv *rt715 = dev_get_drvdata(dev);
+
+ if (!rt715->hw_init)
+ return 0;
+
+ regcache_cache_only(rt715->regmap, true);
+ regcache_mark_dirty(rt715->regmap);
+ regcache_cache_only(rt715->mbq_regmap, true);
+ regcache_mark_dirty(rt715->mbq_regmap);
+
+ return 0;
+}
+
+#define RT715_PROBE_TIMEOUT 2000
+
+static int __maybe_unused rt715_dev_resume(struct device *dev)
+{
+ struct sdw_slave *slave = dev_to_sdw_dev(dev);
+ struct rt715_sdca_priv *rt715 = dev_get_drvdata(dev);
+ unsigned long time;
+
+ if (!rt715->hw_init)
+ return 0;
+
+ if (!slave->unattach_request)
+ goto regmap_sync;
+
+ time = wait_for_completion_timeout(&slave->enumeration_complete,
+ msecs_to_jiffies(RT715_PROBE_TIMEOUT));
+ if (!time) {
+ dev_err(&slave->dev, "Enumeration not complete, timed out\n");
+ return -ETIMEDOUT;
+ }
+
+regmap_sync:
+ slave->unattach_request = 0;
+ regcache_cache_only(rt715->regmap, false);
+ regcache_sync_region(rt715->regmap,
+ SDW_SDCA_CTL(FUN_JACK_CODEC, RT715_SDCA_ST_EN, RT715_SDCA_ST_CTRL,
+ CH_00),
+ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
+ RT715_SDCA_SMPU_TRIG_ST_CTRL, CH_00));
+ regcache_cache_only(rt715->mbq_regmap, false);
+ regcache_sync_region(rt715->mbq_regmap, 0x2000000, 0x61020ff);
+ regcache_sync_region(rt715->mbq_regmap,
+ SDW_SDCA_CTL(FUN_JACK_CODEC, RT715_SDCA_ST_EN, RT715_SDCA_ST_CTRL,
+ CH_00),
+ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
+ RT715_SDCA_SMPU_TRIG_ST_CTRL, CH_00));
+
+ return 0;
+}
+
+static const struct dev_pm_ops rt715_pm = {
+ SET_SYSTEM_SLEEP_PM_OPS(rt715_dev_suspend, rt715_dev_resume)
+ SET_RUNTIME_PM_OPS(rt715_dev_suspend, rt715_dev_resume, NULL)
+};
+
+static struct sdw_driver rt715_sdw_driver = {
+ .driver = {
+ .name = "rt715-sdca",
+ .owner = THIS_MODULE,
+ .pm = &rt715_pm,
+ },
+ .probe = rt715_sdca_sdw_probe,
+ .ops = &rt715_sdca_slave_ops,
+ .id_table = rt715_sdca_id,
+};
+module_sdw_driver(rt715_sdw_driver);
+
+MODULE_DESCRIPTION("ASoC RT715 driver SDW SDCA");
+MODULE_AUTHOR("Jack Yu <jack.yu@xxxxxxxxxxx>");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/codecs/rt715-sdca-sdw.h b/sound/soc/codecs/rt715-sdca-sdw.h
new file mode 100644
index 000000000000..cd365bb60747
--- /dev/null
+++ b/sound/soc/codecs/rt715-sdca-sdw.h
@@ -0,0 +1,170 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * rt715-sdca-sdw.h -- RT715 ALSA SoC audio driver header
+ *
+ * Copyright(c) 2020 Realtek Semiconductor Corp.
+ */
+
+#ifndef __RT715_SDW_SDCA_H__
+#define __RT715_SDW_SDCA_H__
+
+#include <linux/soundwire/sdw_registers.h>
+
+static const struct reg_default rt715_reg_defaults_sdca[] = {
+ { 0x201a, 0x00 },
+ { 0x201e, 0x00 },
+ { 0x2020, 0x00 },
+ { 0x2021, 0x00 },
+ { 0x2022, 0x00 },
+ { 0x2023, 0x00 },
+ { 0x2024, 0x00 },
+ { 0x2025, 0x01 },
+ { 0x2026, 0x00 },
+ { 0x2027, 0x00 },
+ { 0x2029, 0x00 },
+ { 0x202a, 0x00 },
+ { 0x202d, 0x00 },
+ { 0x202e, 0x00 },
+ { 0x202f, 0x00 },
+ { 0x2030, 0x00 },
+ { 0x2031, 0x00 },
+ { 0x2032, 0x00 },
+ { 0x2033, 0x00 },
+ { 0x2034, 0x00 },
+ { 0x2230, 0x00 },
+ { 0x2231, 0x2f },
+ { 0x2232, 0x80 },
+ { 0x2233, 0x00 },
+ { 0x2234, 0x00 },
+ { 0x2235, 0x00 },
+ { 0x2236, 0x00 },
+ { 0x2237, 0x00 },
+ { 0x2238, 0x00 },
+ { 0x2239, 0x00 },
+ { 0x2f01, 0x00 },
+ { 0x2f02, 0x09 },
+ { 0x2f03, 0x0b },
+ { 0x2f04, 0x00 },
+ { 0x2f05, 0x0e },
+ { 0x2f06, 0x01 },
+ { 0x2f08, 0x00 },
+ { 0x2f09, 0x00 },
+ { 0x2f0a, 0x00 },
+ { 0x2f0b, 0x00 },
+ { 0x2f0c, 0x00 },
+ { 0x2f0d, 0x00 },
+ { 0x2f0e, 0x12 },
+ { 0x2f0f, 0x00 },
+ { 0x2f10, 0x00 },
+ { 0x2f11, 0x00 },
+ { 0x2f12, 0x00 },
+ { 0x2f13, 0x00 },
+ { 0x2f14, 0x00 },
+ { 0x2f15, 0x00 },
+ { 0x2f16, 0x00 },
+ { 0x2f17, 0x00 },
+ { 0x2f18, 0x00 },
+ { 0x2f19, 0x03 },
+ { 0x2f1a, 0x00 },
+ { 0x2f1f, 0x10 },
+ { 0x2f20, 0x00 },
+ { 0x2f21, 0x00 },
+ { 0x2f22, 0x00 },
+ { 0x2f23, 0x00 },
+ { 0x2f24, 0x00 },
+ { 0x2f25, 0x00 },
+ { 0x2f52, 0x01 },
+ { 0x2f5a, 0x02 },
+ { 0x2f5b, 0x05 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CX_CLK_SEL_EN,
+ RT715_SDCA_CX_CLK_SEL_CTRL, CH_00), 0x1 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
+ RT715_SDCA_FU_MUTE_CTRL, CH_01), 0x01 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
+ RT715_SDCA_FU_MUTE_CTRL, CH_02), 0x01 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
+ RT715_SDCA_FU_MUTE_CTRL, CH_03), 0x01 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
+ RT715_SDCA_FU_MUTE_CTRL, CH_04), 0x01 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
+ RT715_SDCA_FU_MUTE_CTRL, CH_01), 0x01 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
+ RT715_SDCA_FU_MUTE_CTRL, CH_02), 0x01 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
+ RT715_SDCA_FU_MUTE_CTRL, CH_03), 0x01 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
+ RT715_SDCA_FU_MUTE_CTRL, CH_04), 0x01 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
+ RT715_SDCA_FU_MUTE_CTRL, CH_01), 0x01 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
+ RT715_SDCA_FU_MUTE_CTRL, CH_02), 0x01 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
+ RT715_SDCA_SMPU_TRIG_EN_CTRL, CH_00), 0x02 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
+ RT715_SDCA_SMPU_TRIG_ST_CTRL, CH_00), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
+ RT715_SDCA_FU_MUTE_CTRL, CH_01), 0x01 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
+ RT715_SDCA_FU_MUTE_CTRL, CH_02), 0x01 },
+};
+
+static const struct reg_default rt715_mbq_reg_defaults_sdca[] = {
+ { 0x200002b, 0x0420 },
+ { 0x2000036, 0x0000 },
+ { 0x2000037, 0x0000 },
+ { 0x2000039, 0xaa81 },
+ { 0x6100000, 0x0100 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
+ RT715_SDCA_FU_VOL_CTRL, CH_01), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
+ RT715_SDCA_FU_VOL_CTRL, CH_02), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
+ RT715_SDCA_FU_VOL_CTRL, CH_03), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
+ RT715_SDCA_FU_VOL_CTRL, CH_04), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
+ RT715_SDCA_FU_VOL_CTRL, CH_01), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
+ RT715_SDCA_FU_VOL_CTRL, CH_02), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
+ RT715_SDCA_FU_VOL_CTRL, CH_03), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
+ RT715_SDCA_FU_VOL_CTRL, CH_04), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
+ RT715_SDCA_FU_VOL_CTRL, CH_01), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
+ RT715_SDCA_FU_VOL_CTRL, CH_02), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_AMIC_GAIN_EN,
+ RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_01), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_AMIC_GAIN_EN,
+ RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_02), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_AMIC_GAIN_EN,
+ RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_03), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_AMIC_GAIN_EN,
+ RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_04), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_AMIC_GAIN_EN,
+ RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_05), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_AMIC_GAIN_EN,
+ RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_06), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_AMIC_GAIN_EN,
+ RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_07), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_AMIC_GAIN_EN,
+ RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_08), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_DMIC_GAIN_EN,
+ RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_01), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_DMIC_GAIN_EN,
+ RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_02), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_DMIC_GAIN_EN,
+ RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_03), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_DMIC_GAIN_EN,
+ RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_04), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_DMIC_GAIN_EN,
+ RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_05), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_DMIC_GAIN_EN,
+ RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_06), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_DMIC_GAIN_EN,
+ RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_07), 0x00 },
+ { SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_DMIC_GAIN_EN,
+ RT715_SDCA_FU_DMIC_GAIN_CTRL, CH_08), 0x00 },
+};
+#endif /* __RT715_SDW_SDCA_H__ */
diff --git a/sound/soc/codecs/rt715-sdca.c b/sound/soc/codecs/rt715-sdca.c
new file mode 100644
index 000000000000..b43ac8559e45
--- /dev/null
+++ b/sound/soc/codecs/rt715-sdca.c
@@ -0,0 +1,947 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// rt715-sdca.c -- rt715 ALSA SoC audio driver
+//
+// Copyright(c) 2020 Realtek Semiconductor Corp.
+//
+//
+//
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/pm_runtime.h>
+#include <linux/pm.h>
+#include <linux/soundwire/sdw.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+#include <linux/soundwire/sdw_registers.h>
+
+#include "rt715-sdca.h"
+
+static int rt715_sdca_index_write(struct rt715_sdca_priv *rt715,
+ unsigned int nid, unsigned int reg, unsigned int value)
+{
+ struct regmap *regmap = rt715->mbq_regmap;
+ unsigned int addr;
+ int ret;
+
+ addr = (nid << 20) | reg;
+
+ ret = regmap_write(regmap, addr, value);
+ if (ret < 0)
+ dev_err(&rt715->slave->dev,
+ "Failed to set private value: %08x <= %04x %d\n", ret, addr,
+ value);
+
+ return ret;
+}
+
+static int rt715_sdca_index_read(struct rt715_sdca_priv *rt715,
+ unsigned int nid, unsigned int reg, unsigned int *value)
+{
+ struct regmap *regmap = rt715->mbq_regmap;
+ unsigned int addr;
+ int ret;
+
+ addr = (nid << 20) | reg;
+
+ ret = regmap_read(regmap, addr, value);
+ if (ret < 0)
+ dev_err(&rt715->slave->dev,
+ "Failed to get private value: %06x => %04x ret=%d\n",
+ addr, *value, ret);
+
+ return ret;
+}
+
+static int rt715_sdca_index_update_bits(struct rt715_sdca_priv *rt715,
+ unsigned int nid, unsigned int reg, unsigned int mask, unsigned int val)
+{
+ unsigned int tmp;
+ int ret;
+
+ ret = rt715_sdca_index_read(rt715, nid, reg, &tmp);
+ if (ret < 0)
+ return ret;
+
+ set_mask_bits(&tmp, mask, val);
+
+ return rt715_sdca_index_write(rt715, nid, reg, tmp);
+}
+
+/* SDCA Volume/Boost control */
+static int rt715_sdca_set_amp_gain_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
+ unsigned int val_l, val_r, gain_l_val, gain_r_val, loop_cnt, i, reg;
+ int ret;
+
+ if (strstr(ucontrol->id.name, "FU02 Capture Volume") ||
+ strstr(ucontrol->id.name, "FU06 Capture Volume"))
+ loop_cnt = 2;
+ else if (strstr(ucontrol->id.name, "FU0E Boost") ||
+ strstr(ucontrol->id.name, "FU0C Boost"))
+ loop_cnt = 4;
+ else
+ loop_cnt = 1;
+
+ /* control value to 2s complement */
+ /* L channel */
+ gain_l_val = ucontrol->value.integer.value[0];
+ if (gain_l_val > mc->max)
+ gain_l_val = mc->max;
+ val_l = gain_l_val;
+
+ if (mc->shift == 8) {
+ gain_l_val = (gain_l_val * 10) << mc->shift;
+ } else {
+ gain_l_val =
+ ((abs(gain_l_val - mc->shift) * RT715_SDCA_DB_STEP) << 8) / 1000;
+ if (val_l <= mc->shift) {
+ gain_l_val = ~gain_l_val;
+ gain_l_val += 1;
+ }
+ gain_l_val &= 0xffff;
+ }
+
+ /* R channel */
+ gain_r_val = ucontrol->value.integer.value[1];
+ if (gain_r_val > mc->max)
+ gain_r_val = mc->max;
+ val_r = gain_r_val;
+
+ if (mc->shift == 8) {
+ gain_r_val = (gain_r_val * 10) << mc->shift;
+ } else {
+ gain_r_val =
+ ((abs(gain_r_val - mc->shift) * RT715_SDCA_DB_STEP) << 8) / 1000;
+ if (val_r <= mc->shift) {
+ gain_r_val = ~gain_r_val;
+ gain_r_val += 1;
+ }
+ gain_r_val &= 0xffff;
+ }
+
+ /* Lch*/
+ for (i = 0; i < loop_cnt; i++) {
+ ret = regmap_write(rt715->mbq_regmap, mc->reg + i * 2, gain_l_val);
+ if (ret != 0) {
+ dev_err(component->dev, "Failed to write 0x%x=0x%x\n",
+ mc->reg + i * 2, gain_l_val);
+ return ret;
+ }
+ }
+
+ /* Rch */
+ for (i = 0; i < loop_cnt; i++) {
+ reg = (i == 3) ? (mc->rreg - 2) | BIT(15) : mc->rreg + i * 2;
+ ret = regmap_write(rt715->mbq_regmap, reg, gain_r_val);
+ if (ret != 0) {
+ dev_err(component->dev, "Failed to write 0x%x=0x%x\n",
+ reg, gain_r_val);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static int rt715_sdca_set_amp_gain_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
+ unsigned int val_l, val_r, ctl_l, ctl_r, neg_flag = 0;
+ int ret;
+
+ ret = regmap_read(rt715->mbq_regmap, mc->reg, &val_l);
+ if (ret < 0)
+ dev_err(component->dev, "Failed to read 0x%x, ret=%d\n", mc->reg, ret);
+ ret = regmap_read(rt715->mbq_regmap, mc->rreg, &val_r);
+ if (ret < 0)
+ dev_err(component->dev, "Failed to read 0x%x, ret=%d\n", mc->rreg,
+ ret);
+
+ /* L channel */
+ if (mc->shift == 8) {
+ ctl_l = (val_l >> mc->shift) / 10;
+ } else {
+ ctl_l = val_l;
+ if (ctl_l & BIT(15)) {
+ ctl_l = ~(val_l - 1) & 0xffff;
+ neg_flag = 1;
+ }
+ ctl_l *= 1000;
+ ctl_l >>= 8;
+ if (neg_flag)
+ ctl_l = mc->shift - ctl_l / RT715_SDCA_DB_STEP;
+ else
+ ctl_l = mc->shift + ctl_l / RT715_SDCA_DB_STEP;
+ }
+
+ neg_flag = 0;
+ /* R channel */
+ if (mc->shift == 8) {
+ ctl_r = (val_r >> mc->shift) / 10;
+ } else {
+ ctl_r = val_r;
+ if (ctl_r & BIT(15)) {
+ ctl_r = ~(val_r - 1) & 0xffff;
+ neg_flag = 1;
+ }
+ ctl_r *= 1000;
+ ctl_r >>= 8;
+ if (neg_flag)
+ ctl_r = mc->shift - ctl_r / RT715_SDCA_DB_STEP;
+ else
+ ctl_r = mc->shift + ctl_r / RT715_SDCA_DB_STEP;
+ }
+
+ ucontrol->value.integer.value[0] = ctl_l;
+ ucontrol->value.integer.value[1] = ctl_r;
+
+ return 0;
+}
+
+static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -17625, 375, 0);
+static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
+
+static int rt715_sdca_fu_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 2;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+
+ return 0;
+}
+
+static int rt715_sdca_get_volsw(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ unsigned int invert = mc->invert;
+ unsigned int max = mc->max;
+ int val;
+
+ val = snd_soc_component_read(component, mc->reg);
+ if (val < 0)
+ return -EINVAL;
+ ucontrol->value.integer.value[0] = invert ? max - val : val;
+
+ val = snd_soc_component_read(component, mc->rreg);
+ if (val < 0)
+ return -EINVAL;
+ ucontrol->value.integer.value[1] = invert ? max - val : val;
+
+ return 0;
+}
+
+static int rt715_sdca_put_volsw(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ unsigned int val, val2, loop_cnt = 2, i;
+ unsigned int invert = mc->invert;
+ unsigned int reg2 = mc->rreg;
+ unsigned int reg = mc->reg;
+ unsigned int max = mc->max;
+ int err;
+
+ val = ucontrol->value.integer.value[0];
+ if (invert)
+ val = max - val;
+
+ val2 = ucontrol->value.integer.value[1];
+ if (invert)
+ val2 = max - val2;
+
+ for (i = 0; i < loop_cnt; i++) {
+ err = snd_soc_component_write(component, reg + i * 2, val);
+ if (err < 0)
+ return err;
+ err = snd_soc_component_write(component, reg2 + i * 2, val2);
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
+#define RT715_SDCA_FU_VALUE(xlreg, xrreg, xshift, xmax, xinvert) \
+ ((unsigned long)&(struct soc_mixer_control) \
+ {.reg = xlreg, .rreg = xrreg, .shift = xshift, \
+ .max = xmax, .invert = xinvert})
+
+#define RT715_SDCA_FU_CTRL(xname, reg_left, reg_right, xshift, xmax, xinvert) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
+ .info = rt715_sdca_fu_info, \
+ .get = rt715_sdca_get_volsw, \
+ .put = rt715_sdca_put_volsw, \
+ .private_value = RT715_SDCA_FU_VALUE(reg_left, reg_right, xshift, \
+ xmax, xinvert)}
+
+#define SOC_DOUBLE_R_EXT(xname, reg_left, reg_right, xshift, xmax, xinvert,\
+ xhandler_get, xhandler_put) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
+ .info = snd_soc_info_volsw, \
+ .get = xhandler_get, .put = xhandler_put, \
+ .private_value = SOC_DOUBLE_R_VALUE(reg_left, reg_right, xshift, \
+ xmax, xinvert) }
+
+static const struct snd_kcontrol_new rt715_sdca_snd_controls[] = {
+ /* Capture switch */
+ SOC_DOUBLE_R("FU0A Capture Switch",
+ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
+ RT715_SDCA_FU_MUTE_CTRL, CH_01),
+ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
+ RT715_SDCA_FU_MUTE_CTRL, CH_02),
+ 0, 1, 1),
+ RT715_SDCA_FU_CTRL("FU02 Capture Switch",
+ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
+ RT715_SDCA_FU_MUTE_CTRL, CH_01),
+ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
+ RT715_SDCA_FU_MUTE_CTRL, CH_02),
+ 0, 1, 1),
+ RT715_SDCA_FU_CTRL("FU06 Capture Switch",
+ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
+ RT715_SDCA_FU_MUTE_CTRL, CH_01),
+ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
+ RT715_SDCA_FU_MUTE_CTRL, CH_02),
+ 0, 1, 1),
+ /* Volume Control */
+ SOC_DOUBLE_R_EXT_TLV("FU0A Capture Volume",
+ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
+ RT715_SDCA_FU_VOL_CTRL, CH_01),
+ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
+ RT715_SDCA_FU_VOL_CTRL, CH_02),
+ 0x2f, 0x7f, 0,
+ rt715_sdca_set_amp_gain_get, rt715_sdca_set_amp_gain_put,
+ in_vol_tlv),
+ SOC_DOUBLE_R_EXT_TLV("FU02 Capture Volume",
+ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
+ RT715_SDCA_FU_VOL_CTRL, CH_01),
+ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC8_9_VOL,
+ RT715_SDCA_FU_VOL_CTRL, CH_02),
+ 0x2f, 0x7f, 0,
+ rt715_sdca_set_amp_gain_get, rt715_sdca_set_amp_gain_put,
+ in_vol_tlv),
+ SOC_DOUBLE_R_EXT_TLV("FU06 Capture Volume",
+ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
+ RT715_SDCA_FU_VOL_CTRL,
+ CH_01),
+ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
+ RT715_SDCA_FU_VOL_CTRL,
+ CH_02), 0x2f, 0x7f, 0,
+ rt715_sdca_set_amp_gain_get, rt715_sdca_set_amp_gain_put,
+ in_vol_tlv),
+ /* MIC Boost Control */
+ SOC_DOUBLE_R_EXT_TLV("FU0E Boost",
+ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_DMIC_GAIN_EN,
+ RT715_SDCA_FU_DMIC_GAIN_CTRL,
+ CH_01),
+ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_DMIC_GAIN_EN,
+ RT715_SDCA_FU_DMIC_GAIN_CTRL,
+ CH_02), 8, 3, 0,
+ rt715_sdca_set_amp_gain_get, rt715_sdca_set_amp_gain_put,
+ mic_vol_tlv),
+ SOC_DOUBLE_R_EXT_TLV("FU0C Boost",
+ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_AMIC_GAIN_EN,
+ RT715_SDCA_FU_DMIC_GAIN_CTRL,
+ CH_01),
+ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_AMIC_GAIN_EN,
+ RT715_SDCA_FU_DMIC_GAIN_CTRL,
+ CH_02), 8, 3, 0,
+ rt715_sdca_set_amp_gain_get, rt715_sdca_set_amp_gain_put,
+ mic_vol_tlv),
+};
+
+static int rt715_sdca_mux_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component =
+ snd_soc_dapm_kcontrol_component(kcontrol);
+ struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
+ unsigned int val, mask_sft;
+
+ if (strstr(ucontrol->id.name, "ADC 22 Mux"))
+ mask_sft = 12;
+ else if (strstr(ucontrol->id.name, "ADC 23 Mux"))
+ mask_sft = 8;
+ else if (strstr(ucontrol->id.name, "ADC 24 Mux"))
+ mask_sft = 4;
+ else if (strstr(ucontrol->id.name, "ADC 25 Mux"))
+ mask_sft = 0;
+ else
+ return -EINVAL;
+
+ rt715_sdca_index_read(rt715, RT715_VENDOR_HDA_CTL,
+ RT715_HDA_LEGACY_MUX_CTL1, &val);
+ val = (val >> mask_sft) & 0xf;
+
+ /*
+ * The first two indices of ADC Mux 24/25 are routed to the same
+ * hardware source. ie, ADC Mux 24 0/1 will both connect to MIC2.
+ * To have a unique set of inputs, we skip the index1 of the muxes.
+ */
+ if ((strstr(ucontrol->id.name, "ADC 24 Mux") ||
+ strstr(ucontrol->id.name, "ADC 25 Mux")) && val > 0)
+ val -= 1;
+ ucontrol->value.enumerated.item[0] = val;
+
+ return 0;
+}
+
+static int rt715_sdca_mux_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component =
+ snd_soc_dapm_kcontrol_component(kcontrol);
+ struct snd_soc_dapm_context *dapm =
+ snd_soc_dapm_kcontrol_dapm(kcontrol);
+ struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
+ struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+ unsigned int *item = ucontrol->value.enumerated.item;
+ unsigned int val, val2 = 0, change, mask_sft;
+
+ if (item[0] >= e->items)
+ return -EINVAL;
+
+ if (strstr(ucontrol->id.name, "ADC 22 Mux"))
+ mask_sft = 12;
+ else if (strstr(ucontrol->id.name, "ADC 23 Mux"))
+ mask_sft = 8;
+ else if (strstr(ucontrol->id.name, "ADC 24 Mux"))
+ mask_sft = 4;
+ else if (strstr(ucontrol->id.name, "ADC 25 Mux"))
+ mask_sft = 0;
+ else
+ return -EINVAL;
+
+ /* Verb ID = 0x701h, nid = e->reg */
+ val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l;
+
+ rt715_sdca_index_read(rt715, RT715_VENDOR_HDA_CTL,
+ RT715_HDA_LEGACY_MUX_CTL1, &val2);
+ val2 = (val2 >> mask_sft) & 0xf;
+
+ change = val != val2;
+
+ if (change)
+ rt715_sdca_index_update_bits(rt715, RT715_VENDOR_HDA_CTL,
+ RT715_HDA_LEGACY_MUX_CTL1, 0xf << mask_sft, val << mask_sft);
+
+ snd_soc_dapm_mux_update_power(dapm, kcontrol, item[0], e, NULL);
+
+ return change;
+}
+
+static const char * const adc_22_23_mux_text[] = {
+ "MIC1",
+ "MIC2",
+ "LINE1",
+ "LINE2",
+ "DMIC1",
+ "DMIC2",
+ "DMIC3",
+ "DMIC4",
+};
+
+/*
+ * Due to mux design for nid 24 (MUX_IN3)/25 (MUX_IN4), connection index 0 and
+ * 1 will be connected to the same dmic source, therefore we skip index 1 to
+ * avoid misunderstanding on usage of dapm routing.
+ */
+static int rt715_adc_24_25_values[] = {
+ 0,
+ 2,
+ 3,
+ 4,
+ 5,
+};
+
+static const char * const adc_24_mux_text[] = {
+ "MIC2",
+ "DMIC1",
+ "DMIC2",
+ "DMIC3",
+ "DMIC4",
+};
+
+static const char * const adc_25_mux_text[] = {
+ "MIC1",
+ "DMIC1",
+ "DMIC2",
+ "DMIC3",
+ "DMIC4",
+};
+
+static SOC_ENUM_SINGLE_DECL(rt715_adc22_enum, SND_SOC_NOPM, 0,
+ adc_22_23_mux_text);
+
+static SOC_ENUM_SINGLE_DECL(rt715_adc23_enum, SND_SOC_NOPM, 0,
+ adc_22_23_mux_text);
+
+static SOC_VALUE_ENUM_SINGLE_DECL(rt715_adc24_enum,
+ SND_SOC_NOPM, 0, 0xf,
+ adc_24_mux_text, rt715_adc_24_25_values);
+static SOC_VALUE_ENUM_SINGLE_DECL(rt715_adc25_enum,
+ SND_SOC_NOPM, 0, 0xf,
+ adc_25_mux_text, rt715_adc_24_25_values);
+
+static const struct snd_kcontrol_new rt715_adc22_mux =
+ SOC_DAPM_ENUM_EXT("ADC 22 Mux", rt715_adc22_enum,
+ rt715_sdca_mux_get, rt715_sdca_mux_put);
+
+static const struct snd_kcontrol_new rt715_adc23_mux =
+ SOC_DAPM_ENUM_EXT("ADC 23 Mux", rt715_adc23_enum,
+ rt715_sdca_mux_get, rt715_sdca_mux_put);
+
+static const struct snd_kcontrol_new rt715_adc24_mux =
+ SOC_DAPM_ENUM_EXT("ADC 24 Mux", rt715_adc24_enum,
+ rt715_sdca_mux_get, rt715_sdca_mux_put);
+
+static const struct snd_kcontrol_new rt715_adc25_mux =
+ SOC_DAPM_ENUM_EXT("ADC 25 Mux", rt715_adc25_enum,
+ rt715_sdca_mux_get, rt715_sdca_mux_put);
+
+static int rt715_sdca_pde23_24_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_component *component =
+ snd_soc_dapm_to_component(w->dapm);
+ struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ regmap_write(rt715->regmap,
+ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CREQ_POW_EN,
+ RT715_SDCA_REQ_POW_CTRL,
+ CH_00), 0x00);
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ regmap_write(rt715->regmap,
+ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CREQ_POW_EN,
+ RT715_SDCA_REQ_POW_CTRL,
+ CH_00), 0x03);
+ break;
+ }
+ return 0;
+}
+
+static const struct snd_soc_dapm_widget rt715_sdca_dapm_widgets[] = {
+ SND_SOC_DAPM_INPUT("DMIC1"),
+ SND_SOC_DAPM_INPUT("DMIC2"),
+ SND_SOC_DAPM_INPUT("DMIC3"),
+ SND_SOC_DAPM_INPUT("DMIC4"),
+ SND_SOC_DAPM_INPUT("MIC1"),
+ SND_SOC_DAPM_INPUT("MIC2"),
+ SND_SOC_DAPM_INPUT("LINE1"),
+ SND_SOC_DAPM_INPUT("LINE2"),
+
+ SND_SOC_DAPM_SUPPLY("PDE23_24", SND_SOC_NOPM, 0, 0,
+ rt715_sdca_pde23_24_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+
+ SND_SOC_DAPM_ADC("ADC 07", NULL, SND_SOC_NOPM, 4, 0),
+ SND_SOC_DAPM_ADC("ADC 08", NULL, SND_SOC_NOPM, 4, 0),
+ SND_SOC_DAPM_ADC("ADC 09", NULL, SND_SOC_NOPM, 4, 0),
+ SND_SOC_DAPM_ADC("ADC 27", NULL, SND_SOC_NOPM, 4, 0),
+ SND_SOC_DAPM_MUX("ADC 22 Mux", SND_SOC_NOPM, 0, 0,
+ &rt715_adc22_mux),
+ SND_SOC_DAPM_MUX("ADC 23 Mux", SND_SOC_NOPM, 0, 0,
+ &rt715_adc23_mux),
+ SND_SOC_DAPM_MUX("ADC 24 Mux", SND_SOC_NOPM, 0, 0,
+ &rt715_adc24_mux),
+ SND_SOC_DAPM_MUX("ADC 25 Mux", SND_SOC_NOPM, 0, 0,
+ &rt715_adc25_mux),
+ SND_SOC_DAPM_AIF_OUT("DP4TX", "DP4 Capture", 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_AIF_OUT("DP6TX", "DP6 Capture", 0, SND_SOC_NOPM, 0, 0),
+};
+
+static const struct snd_soc_dapm_route rt715_sdca_audio_map[] = {
+ {"DP6TX", NULL, "ADC 09"},
+ {"DP6TX", NULL, "ADC 08"},
+ {"DP4TX", NULL, "ADC 07"},
+ {"DP4TX", NULL, "ADC 27"},
+ {"DP4TX", NULL, "ADC 09"},
+ {"DP4TX", NULL, "ADC 08"},
+
+ {"LINE1", NULL, "PDE23_24"},
+ {"LINE2", NULL, "PDE23_24"},
+ {"MIC1", NULL, "PDE23_24"},
+ {"MIC2", NULL, "PDE23_24"},
+ {"DMIC1", NULL, "PDE23_24"},
+ {"DMIC2", NULL, "PDE23_24"},
+ {"DMIC3", NULL, "PDE23_24"},
+ {"DMIC4", NULL, "PDE23_24"},
+
+ {"ADC 09", NULL, "ADC 22 Mux"},
+ {"ADC 08", NULL, "ADC 23 Mux"},
+ {"ADC 07", NULL, "ADC 24 Mux"},
+ {"ADC 27", NULL, "ADC 25 Mux"},
+ {"ADC 22 Mux", "MIC1", "MIC1"},
+ {"ADC 22 Mux", "MIC2", "MIC2"},
+ {"ADC 22 Mux", "LINE1", "LINE1"},
+ {"ADC 22 Mux", "LINE2", "LINE2"},
+ {"ADC 22 Mux", "DMIC1", "DMIC1"},
+ {"ADC 22 Mux", "DMIC2", "DMIC2"},
+ {"ADC 22 Mux", "DMIC3", "DMIC3"},
+ {"ADC 22 Mux", "DMIC4", "DMIC4"},
+ {"ADC 23 Mux", "MIC1", "MIC1"},
+ {"ADC 23 Mux", "MIC2", "MIC2"},
+ {"ADC 23 Mux", "LINE1", "LINE1"},
+ {"ADC 23 Mux", "LINE2", "LINE2"},
+ {"ADC 23 Mux", "DMIC1", "DMIC1"},
+ {"ADC 23 Mux", "DMIC2", "DMIC2"},
+ {"ADC 23 Mux", "DMIC3", "DMIC3"},
+ {"ADC 23 Mux", "DMIC4", "DMIC4"},
+ {"ADC 24 Mux", "MIC2", "MIC2"},
+ {"ADC 24 Mux", "DMIC1", "DMIC1"},
+ {"ADC 24 Mux", "DMIC2", "DMIC2"},
+ {"ADC 24 Mux", "DMIC3", "DMIC3"},
+ {"ADC 24 Mux", "DMIC4", "DMIC4"},
+ {"ADC 25 Mux", "MIC1", "MIC1"},
+ {"ADC 25 Mux", "DMIC1", "DMIC1"},
+ {"ADC 25 Mux", "DMIC2", "DMIC2"},
+ {"ADC 25 Mux", "DMIC3", "DMIC3"},
+ {"ADC 25 Mux", "DMIC4", "DMIC4"},
+};
+
+static const struct snd_soc_component_driver soc_codec_dev_rt715_sdca = {
+ .controls = rt715_sdca_snd_controls,
+ .num_controls = ARRAY_SIZE(rt715_sdca_snd_controls),
+ .dapm_widgets = rt715_sdca_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(rt715_sdca_dapm_widgets),
+ .dapm_routes = rt715_sdca_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(rt715_sdca_audio_map),
+};
+
+static int rt715_sdca_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
+ int direction)
+{
+ struct rt715_sdw_stream_data *stream;
+
+ stream = kzalloc(sizeof(*stream), GFP_KERNEL);
+ if (!stream)
+ return -ENOMEM;
+
+ stream->sdw_stream = 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 rt715_sdca_shutdown(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+
+{
+ struct rt715_sdw_stream_data *stream;
+
+ stream = snd_soc_dai_get_dma_data(dai, substream);
+ if (!stream)
+ return;
+
+ snd_soc_dai_set_dma_data(dai, substream, NULL);
+ kfree(stream);
+}
+
+static int rt715_sdca_pcm_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 rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
+ struct sdw_stream_config stream_config;
+ struct sdw_port_config port_config;
+ enum sdw_data_direction direction;
+ struct rt715_sdw_stream_data *stream;
+ int retval, port, num_channels;
+ unsigned int val;
+
+ stream = snd_soc_dai_get_dma_data(dai, substream);
+
+ if (!stream)
+ return -EINVAL;
+
+ if (!rt715->slave)
+ return -EINVAL;
+
+ switch (dai->id) {
+ case RT715_AIF1:
+ direction = SDW_DATA_DIR_TX;
+ port = 6;
+ rt715_sdca_index_write(rt715, RT715_VENDOR_REG, RT715_SDW_INPUT_SEL,
+ 0xa500);
+ break;
+ case RT715_AIF2:
+ direction = SDW_DATA_DIR_TX;
+ port = 4;
+ rt715_sdca_index_write(rt715, RT715_VENDOR_REG, RT715_SDW_INPUT_SEL,
+ 0xaf00);
+ break;
+ default:
+ dev_err(component->dev, "Invalid DAI id %d\n", dai->id);
+ return -EINVAL;
+ }
+
+ 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 = GENMASK(num_channels - 1, 0);
+ port_config.num = port;
+
+ retval = sdw_stream_add_slave(rt715->slave, &stream_config,
+ &port_config, 1, stream->sdw_stream);
+ if (retval) {
+ dev_err(component->dev, "Unable to configure port, retval:%d\n",
+ retval);
+ return retval;
+ }
+
+ switch (params_rate(params)) {
+ case 8000:
+ val = 0x1;
+ break;
+ case 11025:
+ val = 0x2;
+ break;
+ case 12000:
+ val = 0x3;
+ break;
+ case 16000:
+ val = 0x4;
+ break;
+ case 22050:
+ val = 0x5;
+ break;
+ case 24000:
+ val = 0x6;
+ break;
+ case 32000:
+ val = 0x7;
+ break;
+ case 44100:
+ val = 0x8;
+ break;
+ case 48000:
+ val = 0x9;
+ break;
+ case 88200:
+ val = 0xa;
+ break;
+ case 96000:
+ val = 0xb;
+ break;
+ case 176400:
+ val = 0xc;
+ break;
+ case 192000:
+ val = 0xd;
+ break;
+ case 384000:
+ val = 0xe;
+ break;
+ case 768000:
+ val = 0xf;
+ break;
+ default:
+ dev_err(component->dev, "Unsupported sample rate %d\n",
+ params_rate(params));
+ return -EINVAL;
+ }
+
+ regmap_write(rt715->regmap,
+ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CS_FREQ_IND_EN,
+ RT715_SDCA_FREQ_IND_CTRL, CH_00), val);
+
+ return 0;
+}
+
+static int rt715_sdca_pcm_hw_free(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_component *component = dai->component;
+ struct rt715_sdca_priv *rt715 = snd_soc_component_get_drvdata(component);
+ struct rt715_sdw_stream_data *stream =
+ snd_soc_dai_get_dma_data(dai, substream);
+
+ if (!rt715->slave)
+ return -EINVAL;
+
+ sdw_stream_remove_slave(rt715->slave, stream->sdw_stream);
+ return 0;
+}
+
+#define RT715_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
+#define RT715_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
+
+static struct snd_soc_dai_ops rt715_sdca_ops = {
+ .hw_params = rt715_sdca_pcm_hw_params,
+ .hw_free = rt715_sdca_pcm_hw_free,
+ .set_sdw_stream = rt715_sdca_set_sdw_stream,
+ .shutdown = rt715_sdca_shutdown,
+};
+
+static struct snd_soc_dai_driver rt715_sdca_dai[] = {
+ {
+ .name = "rt715-aif1",
+ .id = RT715_AIF1,
+ .capture = {
+ .stream_name = "DP6 Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT715_STEREO_RATES,
+ .formats = RT715_FORMATS,
+ },
+ .ops = &rt715_sdca_ops,
+ },
+ {
+ .name = "rt715-aif2",
+ .id = RT715_AIF2,
+ .capture = {
+ .stream_name = "DP4 Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = RT715_STEREO_RATES,
+ .formats = RT715_FORMATS,
+ },
+ .ops = &rt715_sdca_ops,
+ },
+};
+
+/* Bus clock frequency */
+#define RT715_CLK_FREQ_9600000HZ 9600000
+#define RT715_CLK_FREQ_12000000HZ 12000000
+#define RT715_CLK_FREQ_6000000HZ 6000000
+#define RT715_CLK_FREQ_4800000HZ 4800000
+#define RT715_CLK_FREQ_2400000HZ 2400000
+#define RT715_CLK_FREQ_12288000HZ 12288000
+
+int rt715_sdca_init(struct device *dev, struct regmap *mbq_regmap,
+ struct regmap *regmap, struct sdw_slave *slave)
+{
+ struct rt715_sdca_priv *rt715;
+ int ret;
+
+ rt715 = devm_kzalloc(dev, sizeof(*rt715), GFP_KERNEL);
+ if (!rt715)
+ return -ENOMEM;
+
+ dev_set_drvdata(dev, rt715);
+ rt715->slave = slave;
+ rt715->regmap = regmap;
+ rt715->mbq_regmap = mbq_regmap;
+ rt715->hw_sdw_ver = slave->id.sdw_version;
+ /*
+ * Mark hw_init to false
+ * HW init will be performed when device reports present
+ */
+ rt715->hw_init = false;
+ rt715->first_init = false;
+
+ ret = devm_snd_soc_register_component(dev,
+ &soc_codec_dev_rt715_sdca,
+ rt715_sdca_dai,
+ ARRAY_SIZE(rt715_sdca_dai));
+
+ return ret;
+}
+
+int rt715_sdca_io_init(struct device *dev, struct sdw_slave *slave)
+{
+ struct rt715_sdca_priv *rt715 = dev_get_drvdata(dev);
+ unsigned int hw_ver;
+
+ if (rt715->hw_init)
+ return 0;
+
+ /*
+ * PM runtime is only enabled when a Slave reports as Attached
+ */
+ if (!rt715->first_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);
+
+ rt715->first_init = true;
+ }
+
+ pm_runtime_get_noresume(&slave->dev);
+
+ rt715_sdca_index_read(rt715, RT715_VENDOR_REG,
+ RT715_PRODUCT_NUM, &hw_ver);
+ hw_ver = hw_ver & 0x000f;
+
+ /* set clock selector = external */
+ regmap_write(rt715->regmap,
+ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_CX_CLK_SEL_EN,
+ RT715_SDCA_CX_CLK_SEL_CTRL, CH_00), 0x1);
+ /* set GPIO_4/5/6 to be 3rd/4th DMIC usage */
+ if (hw_ver == 0x0)
+ rt715_sdca_index_update_bits(rt715, RT715_VENDOR_REG,
+ RT715_AD_FUNC_EN, 0x54, 0x54);
+ else if (hw_ver == 0x1) {
+ rt715_sdca_index_update_bits(rt715, RT715_VENDOR_REG,
+ RT715_AD_FUNC_EN, 0x55, 0x55);
+ rt715_sdca_index_update_bits(rt715, RT715_VENDOR_REG,
+ RT715_REV_1, 0x40, 0x40);
+ }
+ /* trigger mode = VAD enable */
+ regmap_write(rt715->regmap,
+ SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_SMPU_TRIG_ST_EN,
+ RT715_SDCA_SMPU_TRIG_EN_CTRL, CH_00), 0x2);
+ /* SMPU-1 interrupt enable mask */
+ regmap_update_bits(rt715->regmap, RT715_INT_MASK, 0x1, 0x1);
+
+ /* Mark Slave initialization complete */
+ rt715->hw_init = true;
+
+ pm_runtime_mark_last_busy(&slave->dev);
+ pm_runtime_put_autosuspend(&slave->dev);
+
+ return 0;
+}
+
+MODULE_DESCRIPTION("ASoC rt715 driver SDW SDCA");
+MODULE_AUTHOR("Jack Yu <jack.yu@xxxxxxxxxxx>");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/codecs/rt715-sdca.h b/sound/soc/codecs/rt715-sdca.h
new file mode 100644
index 000000000000..840c237895dd
--- /dev/null
+++ b/sound/soc/codecs/rt715-sdca.h
@@ -0,0 +1,124 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * rt715-sdca.h -- RT715 ALSA SoC audio driver header
+ *
+ * Copyright(c) 2020 Realtek Semiconductor Corp.
+ */
+
+#ifndef __RT715_SDCA_H__
+#define __RT715_SDCA_H__
+
+#include <linux/regmap.h>
+#include <linux/soundwire/sdw.h>
+#include <linux/soundwire/sdw_type.h>
+#include <sound/soc.h>
+#include <linux/workqueue.h>
+#include <linux/device.h>
+
+struct rt715_sdca_priv {
+ struct regmap *regmap;
+ struct regmap *mbq_regmap;
+ struct snd_soc_codec *codec;
+ struct sdw_slave *slave;
+ struct delayed_work adc_mute_work;
+ int dbg_nid;
+ int dbg_vid;
+ int dbg_payload;
+ enum sdw_slave_status status;
+ struct sdw_bus_params params;
+ bool hw_init;
+ bool first_init;
+ int l_is_unmute;
+ int r_is_unmute;
+ int hw_sdw_ver;
+};
+
+struct rt715_sdw_stream_data {
+ struct sdw_stream_runtime *sdw_stream;
+};
+
+/* MIPI Register */
+#define RT715_INT_CTRL 0x005a
+#define RT715_INT_MASK 0x005e
+
+/* NID */
+#define RT715_AUDIO_FUNCTION_GROUP 0x01
+#define RT715_MIC_ADC 0x07
+#define RT715_LINE_ADC 0x08
+#define RT715_MIX_ADC 0x09
+#define RT715_DMIC1 0x12
+#define RT715_DMIC2 0x13
+#define RT715_MIC1 0x18
+#define RT715_MIC2 0x19
+#define RT715_LINE1 0x1a
+#define RT715_LINE2 0x1b
+#define RT715_DMIC3 0x1d
+#define RT715_DMIC4 0x29
+#define RT715_VENDOR_REG 0x20
+#define RT715_MUX_IN1 0x22
+#define RT715_MUX_IN2 0x23
+#define RT715_MUX_IN3 0x24
+#define RT715_MUX_IN4 0x25
+#define RT715_MIX_ADC2 0x27
+#define RT715_INLINE_CMD 0x55
+#define RT715_VENDOR_HDA_CTL 0x61
+
+/* Index (NID:20h) */
+#define RT715_PRODUCT_NUM 0x0
+#define RT715_IRQ_CTRL 0x2b
+#define RT715_AD_FUNC_EN 0x36
+#define RT715_REV_1 0x37
+#define RT715_SDW_INPUT_SEL 0x39
+#define RT715_EXT_DMIC_CLK_CTRL2 0x54
+
+/* Index (NID:61h) */
+#define RT715_HDA_LEGACY_MUX_CTL1 0x00
+
+/* SDCA (Function) */
+#define FUN_JACK_CODEC 0x01
+#define FUN_MIC_ARRAY 0x02
+#define FUN_HID 0x03
+/* SDCA (Entity) */
+#define RT715_SDCA_ST_EN 0x00
+#define RT715_SDCA_CS_FREQ_IND_EN 0x01
+#define RT715_SDCA_FU_ADC8_9_VOL 0x02
+#define RT715_SDCA_SMPU_TRIG_ST_EN 0x05
+#define RT715_SDCA_FU_ADC10_11_VOL 0x06
+#define RT715_SDCA_FU_ADC7_27_VOL 0x0a
+#define RT715_SDCA_FU_AMIC_GAIN_EN 0x0c
+#define RT715_SDCA_FU_DMIC_GAIN_EN 0x0e
+#define RT715_SDCA_CX_CLK_SEL_EN 0x10
+#define RT715_SDCA_CREQ_POW_EN 0x18
+/* SDCA (Control) */
+#define RT715_SDCA_ST_CTRL 0x00
+#define RT715_SDCA_CX_CLK_SEL_CTRL 0x01
+#define RT715_SDCA_REQ_POW_CTRL 0x01
+#define RT715_SDCA_FU_MUTE_CTRL 0x01
+#define RT715_SDCA_FU_VOL_CTRL 0x02
+#define RT715_SDCA_FU_DMIC_GAIN_CTRL 0x0b
+#define RT715_SDCA_FREQ_IND_CTRL 0x10
+#define RT715_SDCA_SMPU_TRIG_EN_CTRL 0x10
+#define RT715_SDCA_SMPU_TRIG_ST_CTRL 0x11
+/* SDCA (Channel) */
+#define CH_00 0x00
+#define CH_01 0x01
+#define CH_02 0x02
+#define CH_03 0x03
+#define CH_04 0x04
+#define CH_05 0x05
+#define CH_06 0x06
+#define CH_07 0x07
+#define CH_08 0x08
+
+#define RT715_SDCA_DB_STEP 375
+
+enum {
+ RT715_AIF1,
+ RT715_AIF2,
+};
+
+int rt715_sdca_io_init(struct device *dev, struct sdw_slave *slave);
+int rt715_sdca_init(struct device *dev, struct regmap *mbq_regmap,
+ struct regmap *regmap, struct sdw_slave *slave);
+
+#endif /* __RT715_SDCA_H__ */
--
2.17.1
