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Date: Thu, 23 Feb 2023 17:08:13 -0800
From: “Ryan <ryan.lee.analog@...il.com>
To: lgirdwood@...il.com, broonie@...nel.org, perex@...ex.cz,
tiwai@...e.com, krzysztof.kozlowski@...aro.org,
rf@...nsource.cirrus.com, ckeepax@...nsource.cirrus.com,
pierre-louis.bossart@...ux.intel.com, herve.codina@...tlin.com,
wangweidong.a@...nic.com, james.schulman@...rus.com,
ajye_huang@...pal.corp-partner.google.com, shumingf@...ltek.com,
povik+lin@...ebit.org, flatmax@...tmax.com,
linux-kernel@...r.kernel.org, alsa-devel@...a-project.org,
robh+dt@...nel.org, devicetree@...r.kernel.org,
ryans.lee@...log.com
Subject: [PATCH 1/2] ASoC: max98363: add soundwire amplifier driver
From: Ryan Lee <ryans.lee@...log.com>
Added Analog Devices MAX98363 SoundWire Amplifier Driver.
The MAX98363 is a SoundWire peripheral device that supports
MIPI SoundWire v1.2-compatible digital interface for audio and
control data.
Signed-off-by: Ryan Lee <ryans.lee@...log.com>
---
sound/soc/codecs/Kconfig | 11 +
sound/soc/codecs/Makefile | 2 +
sound/soc/codecs/max98363.c | 699 ++++++++++++++++++++++++++++++++++++
sound/soc/codecs/max98363.h | 108 ++++++
4 files changed, 820 insertions(+)
create mode 100644 sound/soc/codecs/max98363.c
create mode 100644 sound/soc/codecs/max98363.h
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 4621674e68bf..0638b27c6494 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -130,6 +130,7 @@ config SND_SOC_ALL_CODECS
imply SND_SOC_MAX98925
imply SND_SOC_MAX98926
imply SND_SOC_MAX98927
+ imply SND_SOC_MAX98363
imply SND_SOC_MAX98373_I2C
imply SND_SOC_MAX98373_SDW
imply SND_SOC_MAX98390
@@ -1094,6 +1095,16 @@ config SND_SOC_MAX98520
To compile this driver as a module, choose M here.
+config SND_SOC_MAX98363
+ tristate "Analog Devices MAX98363 Soundwire Speaker Amplifier"
+ depends on SOUNDWIRE
+ select REGMAP_SOUNDWIRE
+ help
+ Enable support for Analog Devices MAX98363 Soundwire
+ amplifier. MAX98363 supports the MIPI SoundWire v1.2
+ compatible interface for audio and control data.
+ This amplifier does not support I2C and I2S.
+
config SND_SOC_MAX98373
tristate
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index a0a61554548e..f4fbeceed816 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -144,6 +144,7 @@ snd-soc-max98925-objs := max98925.o
snd-soc-max98926-objs := max98926.o
snd-soc-max98927-objs := max98927.o
snd-soc-max98520-objs := max98520.o
+snd-soc-max98363-objs := max98363.o
snd-soc-max98373-objs := max98373.o
snd-soc-max98373-i2c-objs := max98373-i2c.o
snd-soc-max98373-sdw-objs := max98373-sdw.o
@@ -507,6 +508,7 @@ obj-$(CONFIG_SND_SOC_MAX98925) += snd-soc-max98925.o
obj-$(CONFIG_SND_SOC_MAX98926) += snd-soc-max98926.o
obj-$(CONFIG_SND_SOC_MAX98927) += snd-soc-max98927.o
obj-$(CONFIG_SND_SOC_MAX98520) += snd-soc-max98520.o
+obj-$(CONFIG_SND_SOC_MAX98363) += snd-soc-max98363.o
obj-$(CONFIG_SND_SOC_MAX98373) += snd-soc-max98373.o
obj-$(CONFIG_SND_SOC_MAX98373_I2C) += snd-soc-max98373-i2c.o
obj-$(CONFIG_SND_SOC_MAX98373_SDW) += snd-soc-max98373-sdw.o
diff --git a/sound/soc/codecs/max98363.c b/sound/soc/codecs/max98363.c
new file mode 100644
index 000000000000..e766c733f8e4
--- /dev/null
+++ b/sound/soc/codecs/max98363.c
@@ -0,0 +1,699 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// Copyright (c) 2022, Analog Devices Inc.
+
+#include <linux/acpi.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/tlv.h>
+#include <linux/of.h>
+#include <linux/soundwire/sdw.h>
+#include <linux/soundwire/sdw_type.h>
+#include <linux/soundwire/sdw_registers.h>
+#include <linux/regulator/consumer.h>
+#include "max98363.h"
+
+struct sdw_stream_data {
+ struct sdw_stream_runtime *sdw_stream;
+};
+
+static struct reg_default max98363_reg[] = {
+ {MAX98363_R0040_SCP_INIT_STAT_1, 0x00},
+ {MAX98363_R0041_SCP_INIT_MASK_1, 0x00},
+ {MAX98363_R0042_SCP_INIT_STAT_2, 0x00},
+ {MAX98363_R0044_SCP_CTRL, 0x00},
+ {MAX98363_R0045_SCP_SYSTEM_CTRL, 0x00},
+ {MAX98363_R0046_SCP_DEV_NUMBER, 0x00},
+ {MAX98363_R004D_SCP_BUS_CLK, 0x00},
+ {MAX98363_R0050_SCP_DEV_ID_0, 0x21},
+ {MAX98363_R0051_SCP_DEV_ID_1, 0x01},
+ {MAX98363_R0052_SCP_DEV_ID_2, 0x9F},
+ {MAX98363_R0053_SCP_DEV_ID_3, 0x87},
+ {MAX98363_R0054_SCP_DEV_ID_4, 0x08},
+ {MAX98363_R0055_SCP_DEV_ID_5, 0x00},
+ {MAX98363_R0060_SCP_FRAME_CTRL, 0x00},
+ {MAX98363_R0062_SCP_CLK_SCALE_BANK0, 0x00},
+ {MAX98363_R0070_SCP_FRAME_CTRL, 0x00},
+ {MAX98363_R0072_SCP_CLK_SCALE_BANK1, 0x00},
+ {MAX98363_R0080_SCP_PHYOUTCTRL_0, 0x00},
+ {MAX98363_R0100_DP1_INIT_STAT, 0x00},
+ {MAX98363_R0101_DP1_INIT_MASK, 0x00},
+ {MAX98363_R0102_DP1_PORT_CTRL, 0x00},
+ {MAX98363_R0103_DP1_BLOCK_CTRL_1, 0x00},
+ {MAX98363_R0104_DP1_PREPARE_STATUS, 0x00},
+ {MAX98363_R0105_DP1_PREPARE_CTRL, 0x00},
+ {MAX98363_R0120_DP1_CHANNEL_EN, 0x00},
+ {MAX98363_R0122_DP1_SAMPLE_CTRL1, 0x00},
+ {MAX98363_R0123_DP1_SAMPLE_CTRL2, 0x00},
+ {MAX98363_R0124_DP1_OFFSET_CTRL1, 0x00},
+ {MAX98363_R0125_DP1_OFFSET_CTRL2, 0x00},
+ {MAX98363_R0126_DP1_HCTRL, 0x00},
+ {MAX98363_R0127_DP1_BLOCK_CTRL3, 0x00},
+ {MAX98363_R0130_DP1_CHANNEL_EN, 0x00},
+ {MAX98363_R0132_DP1_SAMPLE_CTRL1, 0x00},
+ {MAX98363_R0133_DP1_SAMPLE_CTRL2, 0x00},
+ {MAX98363_R0134_DP1_OFFSET_CTRL1, 0x00},
+ {MAX98363_R0135_DP1_OFFSET_CTRL2, 0x00},
+ {MAX98363_R0136_DP1_HCTRL, 0x0136},
+ {MAX98363_R0137_DP1_BLOCK_CTRL3, 0x00},
+ {MAX98363_R2001_INTR_RAW, 0x0},
+ {MAX98363_R2003_INTR_STATE, 0x0},
+ {MAX98363_R2005_INTR_FALG, 0x0},
+ {MAX98363_R2007_INTR_EN, 0x0},
+ {MAX98363_R2009_INTR_CLR, 0x0},
+ {MAX98363_R2021_ERR_MON_CTRL, 0x0},
+ {MAX98363_R2022_SPK_MON_THRESH, 0x0},
+ {MAX98363_R2023_SPK_MON_DURATION, 0x0},
+ {MAX98363_R2030_TONE_GEN_CFG, 0x0},
+ {MAX98363_R203F_TONE_GEN_EN, 0x0},
+ {MAX98363_R2040_AMP_VOL, 0x0},
+ {MAX98363_R2041_AMP_GAIN, 0x5},
+ {MAX98363_R2042_DSP_CFG, 0x0},
+ {MAX98363_R21FF_REV_ID, 0x0},
+};
+
+static bool max98363_readable_register(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ /* SoundWire Control Port Registers */
+ case MAX98363_R0040_SCP_INIT_STAT_1 ... MAX98363_R0046_SCP_DEV_NUMBER:
+ case MAX98363_R004D_SCP_BUS_CLK:
+ case MAX98363_R0050_SCP_DEV_ID_0 ... MAX98363_R0055_SCP_DEV_ID_5:
+ case MAX98363_R0062_SCP_CLK_SCALE_BANK0:
+ case MAX98363_R0072_SCP_CLK_SCALE_BANK1:
+ case MAX98363_R0080_SCP_PHYOUTCTRL_0:
+ /* Soundwire Data Port 1 Registers */
+ case MAX98363_R0100_DP1_INIT_STAT ... MAX98363_R0105_DP1_PREPARE_CTRL:
+ case MAX98363_R0120_DP1_CHANNEL_EN ... MAX98363_R0127_DP1_BLOCK_CTRL3:
+ case MAX98363_R0130_DP1_CHANNEL_EN:
+ case MAX98363_R0132_DP1_SAMPLE_CTRL1... MAX98363_R0137_DP1_BLOCK_CTRL3:
+ /* MAX98363 Amp Control Registers */
+ case MAX98363_R2001_INTR_RAW:
+ case MAX98363_R2003_INTR_STATE:
+ case MAX98363_R2005_INTR_FALG:
+ case MAX98363_R2007_INTR_EN:
+ case MAX98363_R2009_INTR_CLR:
+ case MAX98363_R2021_ERR_MON_CTRL ... MAX98363_R2023_SPK_MON_DURATION:
+ case MAX98363_R2030_TONE_GEN_CFG:
+ case MAX98363_R203F_TONE_GEN_EN:
+ case MAX98363_R2040_AMP_VOL:
+ case MAX98363_R2041_AMP_GAIN:
+ case MAX98363_R2042_DSP_CFG:
+ case MAX98363_R21FF_REV_ID:
+ return true;
+ default:
+ return false;
+ }
+};
+
+static bool max98363_volatile_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ /* SoundWire Control Port Registers */
+ case MAX98363_R0040_SCP_INIT_STAT_1 ... MAX98363_R0046_SCP_DEV_NUMBER:
+ case MAX98363_R004D_SCP_BUS_CLK:
+ case MAX98363_R0050_SCP_DEV_ID_0 ... MAX98363_R0055_SCP_DEV_ID_5:
+ case MAX98363_R0062_SCP_CLK_SCALE_BANK0:
+ case MAX98363_R0072_SCP_CLK_SCALE_BANK1:
+ case MAX98363_R0080_SCP_PHYOUTCTRL_0:
+ /* Soundwire Data Port 1 Registers */
+ case MAX98363_R0100_DP1_INIT_STAT ... MAX98363_R0105_DP1_PREPARE_CTRL:
+ case MAX98363_R0120_DP1_CHANNEL_EN ... MAX98363_R0127_DP1_BLOCK_CTRL3:
+ case MAX98363_R0130_DP1_CHANNEL_EN:
+ case MAX98363_R0132_DP1_SAMPLE_CTRL1... MAX98363_R0137_DP1_BLOCK_CTRL3:
+ /* MAX98363 Amp Control Registers */
+ case MAX98363_R2001_INTR_RAW:
+ case MAX98363_R2003_INTR_STATE:
+ case MAX98363_R2005_INTR_FALG:
+ case MAX98363_R2007_INTR_EN:
+ case MAX98363_R2009_INTR_CLR:
+ case MAX98363_R21FF_REV_ID:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static const struct regmap_config max98363_sdw_regmap = {
+ .reg_bits = 32,
+ .val_bits = 8,
+ .max_register = MAX98363_R21FF_REV_ID,
+ .reg_defaults = max98363_reg,
+ .num_reg_defaults = ARRAY_SIZE(max98363_reg),
+ .readable_reg = max98363_readable_register,
+ .volatile_reg = max98363_volatile_reg,
+ .cache_type = REGCACHE_RBTREE,
+ .use_single_read = true,
+ .use_single_write = true,
+};
+
+static __maybe_unused int max98363_suspend(struct device *dev)
+{
+ struct max98363_priv *max98363 = dev_get_drvdata(dev);
+
+ regcache_cache_only(max98363->regmap, true);
+ regcache_mark_dirty(max98363->regmap);
+
+ if (max98363->dvddio)
+ regulator_disable(max98363->dvddio);
+
+ if (max98363->vdd)
+ regulator_disable(max98363->vdd);
+
+ return 0;
+}
+
+#define MAX98363_PROBE_TIMEOUT 5000
+
+static __maybe_unused int max98363_resume(struct device *dev)
+{
+ struct sdw_slave *slave = dev_to_sdw_dev(dev);
+ struct max98363_priv *max98363 = dev_get_drvdata(dev);
+ unsigned long time;
+ int ret;
+
+ if (!max98363->first_hw_init)
+ return 0;
+
+ if (!slave->unattach_request)
+ goto regmap_sync;
+
+ time = wait_for_completion_timeout(&slave->initialization_complete,
+ msecs_to_jiffies(MAX98363_PROBE_TIMEOUT));
+ if (!time) {
+ dev_err(dev, "Initialization not complete, timed out\n");
+ return -ETIMEDOUT;
+ }
+
+regmap_sync:
+
+ if (max98363->dvddio) {
+ ret = regulator_enable(max98363->dvddio);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (max98363->vdd) {
+ ret = regulator_enable(max98363->vdd);
+ if (ret < 0)
+ return ret;
+ }
+
+ slave->unattach_request = 0;
+ regcache_cache_only(max98363->regmap, false);
+ regcache_sync(max98363->regmap);
+
+ return 0;
+}
+
+static const struct dev_pm_ops max98363_pm = {
+ SET_SYSTEM_SLEEP_PM_OPS(max98363_suspend, max98363_resume)
+ SET_RUNTIME_PM_OPS(max98363_suspend, max98363_resume, NULL)
+};
+
+static int max98363_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->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;
+
+ /* BITMAP: 00000010 Dataport 1 is active */
+ prop->sink_ports = BIT(1);
+ prop->paging_support = true;
+ prop->clk_stop_timeout = 20;
+
+ 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;
+
+ 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);
+ 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++;
+ }
+
+ /* set the timeout values */
+ prop->clk_stop_timeout = 20;
+ prop->simple_clk_stop_capable = true;
+ prop->clock_reg_supported = true;
+
+ return 0;
+}
+
+static int max98363_io_init(struct sdw_slave *slave)
+{
+ struct device *dev = &slave->dev;
+ struct max98363_priv *max98363 = dev_get_drvdata(dev);
+ int ret, reg;
+
+ if (max98363->first_hw_init) {
+ regcache_cache_only(max98363->regmap, false);
+ regcache_cache_bypass(max98363->regmap, true);
+ }
+
+ /*
+ * PM runtime is only enabled when a Slave reports as Attached
+ */
+ if (!max98363->first_hw_init) {
+ /* set autosuspend parameters */
+ pm_runtime_set_autosuspend_delay(dev, 3000);
+ pm_runtime_use_autosuspend(dev);
+
+ /* update count of parent 'active' children */
+ pm_runtime_set_active(dev);
+
+ /* make sure the device does not suspend immediately */
+ pm_runtime_mark_last_busy(dev);
+
+ pm_runtime_enable(dev);
+ }
+
+ pm_runtime_get_noresume(dev);
+
+ ret = regmap_read(max98363->regmap, MAX98363_R21FF_REV_ID, ®);
+ if (!ret) {
+ dev_info(dev, "Revision ID: %X\n", reg);
+ return ret;
+ }
+
+ if (max98363->first_hw_init) {
+ regcache_cache_bypass(max98363->regmap, false);
+ regcache_mark_dirty(max98363->regmap);
+ }
+
+ max98363->first_hw_init = true;
+ max98363->hw_init = true;
+
+ pm_runtime_mark_last_busy(dev);
+ pm_runtime_put_autosuspend(dev);
+
+ return 0;
+}
+
+#define MAX98363_RATES SNDRV_PCM_RATE_8000_192000
+#define MAX98363_FORMATS (SNDRV_PCM_FMTBIT_S32_LE)
+
+static int max98363_sdw_dai_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 max98363_priv *max98363 =
+ 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 ret;
+
+ stream = snd_soc_dai_get_dma_data(dai, substream);
+
+ if (!stream)
+ return -EINVAL;
+
+ if (!max98363->slave)
+ return -EINVAL;
+
+ if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
+ return -EINVAL;
+
+ direction = SDW_DATA_DIR_RX;
+ port_config.num = 1;
+
+ stream_config.frame_rate = params_rate(params);
+ stream_config.bps = snd_pcm_format_width(params_format(params));
+ stream_config.direction = direction;
+
+ if (max98363->slot) {
+ stream_config.ch_count = max98363->slot;
+ port_config.ch_mask = max98363->rx_mask;
+ } else {
+ stream_config.ch_count = params_channels(params);
+ port_config.ch_mask = GENMASK((int)stream_config.ch_count - 1, 0);
+ }
+
+ ret = sdw_stream_add_slave(max98363->slave, &stream_config,
+ &port_config, 1, stream->sdw_stream);
+ if (ret) {
+ dev_err(dai->dev, "Unable to configure port\n");
+ return ret;
+ }
+
+ if (params_channels(params) > 16) {
+ dev_err(component->dev, "Unsupported channels %d\n",
+ params_channels(params));
+ return -EINVAL;
+ }
+
+ dev_dbg(component->dev, "Format supported %d", params_format(params));
+
+ return 0;
+}
+
+static int max98363_pcm_hw_free(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_component *component = dai->component;
+ struct max98363_priv *max98363 =
+ snd_soc_component_get_drvdata(component);
+ struct sdw_stream_data *stream =
+ snd_soc_dai_get_dma_data(dai, substream);
+
+ if (!max98363->slave)
+ return -EINVAL;
+
+ sdw_stream_remove_slave(max98363->slave, stream->sdw_stream);
+
+ return 0;
+}
+
+static int max98363_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 = sdw_stream;
+
+ /* Use tx_mask or rx_mask to configure stream tag and set dma_data */
+ snd_soc_dai_dma_data_set(dai, direction, stream);
+
+ return 0;
+}
+
+static void max98363_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 max98363_sdw_set_tdm_slot(struct snd_soc_dai *dai,
+ unsigned int tx_mask,
+ unsigned int rx_mask,
+ int slots, int slot_width)
+{
+ struct snd_soc_component *component = dai->component;
+ struct max98363_priv *max98363 =
+ snd_soc_component_get_drvdata(component);
+
+ /* tx_mask is not supported */
+ if (tx_mask)
+ return -EINVAL;
+
+ if (!rx_mask && !slots && !slot_width)
+ max98363->tdm_mode = false;
+ else
+ max98363->tdm_mode = true;
+
+ max98363->rx_mask = rx_mask;
+ max98363->slot = slots;
+
+ return 0;
+}
+
+static const struct snd_soc_dai_ops max98363_dai_sdw_ops = {
+ .hw_params = max98363_sdw_dai_hw_params,
+ .hw_free = max98363_pcm_hw_free,
+ .set_stream = max98363_set_sdw_stream,
+ .shutdown = max98363_shutdown,
+ .set_tdm_slot = max98363_sdw_set_tdm_slot,
+};
+
+static struct snd_soc_dai_driver max98363_dai[] = {
+ {
+ .name = "max98363-aif1",
+ .playback = {
+ .stream_name = "HiFi Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MAX98363_RATES,
+ .formats = MAX98363_FORMATS,
+ },
+ .ops = &max98363_dai_sdw_ops,
+ }
+};
+
+static int max98363_update_status(struct sdw_slave *slave,
+ enum sdw_slave_status status)
+{
+ struct max98363_priv *max98363 = dev_get_drvdata(&slave->dev);
+
+ if (status == SDW_SLAVE_UNATTACHED)
+ max98363->hw_init = false;
+
+ /*
+ * Perform initialization only if slave status is SDW_SLAVE_ATTACHED
+ */
+ if (max98363->hw_init || status != SDW_SLAVE_ATTACHED)
+ return 0;
+
+ /* perform I/O transfers required for Slave initialization */
+ return max98363_io_init(slave);
+}
+
+/*
+ * slave_ops: callbacks for get_clock_stop_mode, clock_stop and
+ * port_prep are not defined for now
+ */
+static struct sdw_slave_ops max98363_slave_ops = {
+ .read_prop = max98363_read_prop,
+ .update_status = max98363_update_status,
+ .bus_config = NULL,
+};
+
+static DECLARE_TLV_DB_SCALE(max98363_digital_tlv, -6350, 50, 1);
+static const DECLARE_TLV_DB_RANGE(max98363_spk_tlv,
+ 0, 5, TLV_DB_SCALE_ITEM(-300, 300, 0),
+);
+
+static const char * const max98363_tone_cfg_text[] = {
+ "Reserved", "0", "+FS/2", "-FS/2", "1KHz",
+ "12KHz", "8KHz", "6KHz", "4KHz", "3KHz",
+ "2KHz", "1.5KHz", "Reserved", "500Hz", "250Hz"
+};
+
+static SOC_ENUM_SINGLE_DECL(max98363_tone_cfg_enum,
+ MAX98363_R2030_TONE_GEN_CFG, 0,
+ max98363_tone_cfg_text);
+
+static const char * const max98363_spkmon_duration_text[] = {
+ "8ms", "20ms", "40ms", "60ms",
+ "80ms", "160ms", "240ms", "320ms",
+ "400ms", "480ms", "560ms", "640ms",
+ "720ms", "800ms", "880ms", "960ms"
+};
+
+static SOC_ENUM_SINGLE_DECL(max98363_spkmon_duration_enum,
+ MAX98363_R2023_SPK_MON_DURATION, 0,
+ max98363_spkmon_duration_text);
+
+static const struct snd_kcontrol_new max98363_snd_controls[] = {
+ SOC_SINGLE_TLV("Digital Volume", MAX98363_R2040_AMP_VOL,
+ 0, 0x7F, 1, max98363_digital_tlv),
+ SOC_SINGLE_TLV("Speaker Volume", MAX98363_R2041_AMP_GAIN,
+ 0, 10, 0, max98363_spk_tlv),
+ SOC_SINGLE("Tone Generator Switch", MAX98363_R203F_TONE_GEN_EN,
+ 0, 1, 0),
+ SOC_ENUM("Tone Config", max98363_tone_cfg_enum),
+ SOC_SINGLE("Ramp Switch", MAX98363_R2042_DSP_CFG,
+ MAX98363_AMP_DSP_CFG_RMP_SHIFT, 1, 0),
+ SOC_SINGLE("CLK Monitor Switch", MAX98363_R2021_ERR_MON_CTRL,
+ MAX98363_CLOCK_MON_SHIFT, 1, 0),
+ SOC_SINGLE("SPKMON Monitor Switch", MAX98363_R2021_ERR_MON_CTRL,
+ MAX98363_SPKMON_SHIFT, 1, 0),
+ SOC_SINGLE("SPKMON Thresh", MAX98363_R2022_SPK_MON_THRESH, 0, 0xFF, 0),
+ SOC_ENUM("SPKMON Duration", max98363_spkmon_duration_enum),
+};
+
+static const struct snd_soc_dapm_widget max98363_dapm_widgets[] = {
+ SND_SOC_DAPM_AIF_IN("AIFIN", "HiFi Playback", 0, SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_OUTPUT("BE_OUT"),
+};
+
+static const struct snd_soc_dapm_route max98363_audio_map[] = {
+ /* Plabyack */
+ {"BE_OUT", NULL, "AIFIN"},
+};
+
+const struct snd_soc_component_driver soc_codec_dev_max98363 = {
+ .probe = NULL,
+ .controls = max98363_snd_controls,
+ .num_controls = ARRAY_SIZE(max98363_snd_controls),
+ .dapm_widgets = max98363_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(max98363_dapm_widgets),
+ .dapm_routes = max98363_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(max98363_audio_map),
+ .use_pmdown_time = 1,
+ .endianness = 1,
+};
+
+static void max98363_supply_disable(void *r)
+{
+ regulator_disable((struct regulator *)r);
+}
+
+static int max98363_init(struct sdw_slave *slave, struct regmap *regmap)
+{
+ struct max98363_priv *max98363;
+ int ret;
+ struct device *dev = &slave->dev;
+
+ /* Allocate and assign private driver data structure */
+ max98363 = devm_kzalloc(dev, sizeof(*max98363), GFP_KERNEL);
+ if (!max98363)
+ return -ENOMEM;
+
+ dev_set_drvdata(dev, max98363);
+ max98363->regmap = regmap;
+ max98363->slave = slave;
+
+ max98363->hw_init = false;
+ max98363->first_hw_init = false;
+
+ max98363->vdd = devm_regulator_get_optional(dev, "vdd");
+ if (IS_ERR(max98363->vdd)) {
+ if (PTR_ERR(max98363->vdd) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+
+ max98363->vdd = NULL;
+ }
+ max98363->dvddio = devm_regulator_get_optional(dev, "dvddio");
+ if (IS_ERR(max98363->dvddio)) {
+ if (PTR_ERR(max98363->dvddio) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+
+ max98363->dvddio = NULL;
+ }
+
+ if (max98363->vdd) {
+ ret = regulator_enable(max98363->vdd);
+ if (ret < 0)
+ return ret;
+
+ ret = devm_add_action_or_reset(dev,
+ max98363_supply_disable,
+ max98363->vdd);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (max98363->dvddio) {
+ ret = regulator_enable(max98363->dvddio);
+ if (ret < 0)
+ return ret;
+
+ ret = devm_add_action_or_reset(dev,
+ max98363_supply_disable,
+ max98363->dvddio);
+ if (ret < 0)
+ return ret;
+ }
+
+ /* codec registration */
+ ret = devm_snd_soc_register_component(dev, &soc_codec_dev_max98363,
+ max98363_dai,
+ ARRAY_SIZE(max98363_dai));
+ if (ret < 0)
+ dev_err(dev, "Failed to register codec: %d\n", ret);
+
+ return ret;
+}
+
+static int max98363_sdw_probe(struct sdw_slave *slave,
+ const struct sdw_device_id *id)
+{
+ struct regmap *regmap;
+
+ /* Regmap Initialization */
+ regmap = devm_regmap_init_sdw(slave, &max98363_sdw_regmap);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+
+ return max98363_init(slave, regmap);
+}
+
+#if defined(CONFIG_OF)
+static const struct of_device_id max98363_of_match[] = {
+ { .compatible = "adi,max98363", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, max98363_of_match);
+#endif
+
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id max98363_acpi_match[] = {
+ { "ADS8363", 0 },
+ {},
+};
+MODULE_DEVICE_TABLE(acpi, max98363_acpi_match);
+#endif
+
+static const struct sdw_device_id max98363_id[] = {
+ SDW_SLAVE_ENTRY(0x019F, 0x8363, 0),
+ {},
+};
+MODULE_DEVICE_TABLE(sdw, max98363_id);
+
+static struct sdw_driver max98363_sdw_driver = {
+ .driver = {
+ .name = "max98363",
+ .owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(max98363_of_match),
+ .acpi_match_table = ACPI_PTR(max98363_acpi_match),
+ .pm = &max98363_pm,
+ },
+ .probe = max98363_sdw_probe,
+ .remove = NULL,
+ .ops = &max98363_slave_ops,
+ .id_table = max98363_id,
+};
+
+module_sdw_driver(max98363_sdw_driver);
+
+MODULE_DESCRIPTION("ASoC MAX98363 driver SDW");
+MODULE_AUTHOR("Ryan Lee <ryans.lee@...log.com>");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/max98363.h b/sound/soc/codecs/max98363.h
new file mode 100644
index 000000000000..1c55017a9fc0
--- /dev/null
+++ b/sound/soc/codecs/max98363.h
@@ -0,0 +1,108 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright (c) 2022 Analog Devices Inc. */
+
+#ifndef _MAX98363_H
+#define _MAX98363_H
+
+/* SoundWire Slave Control Port (SCP) */
+#define MAX98363_R0040_SCP_INIT_STAT_1 0x0040
+#define MAX98363_R0041_SCP_INIT_MASK_1 0x0041
+#define MAX98363_R0042_SCP_INIT_STAT_2 0x0042
+#define MAX98363_R0044_SCP_CTRL 0x0044
+#define MAX98363_R0045_SCP_SYSTEM_CTRL 0x0045
+#define MAX98363_R0046_SCP_DEV_NUMBER 0x0046
+#define MAX98363_R004D_SCP_BUS_CLK 0x004D
+#define MAX98363_R0050_SCP_DEV_ID_0 0x0050
+#define MAX98363_R0051_SCP_DEV_ID_1 0x0051
+#define MAX98363_R0052_SCP_DEV_ID_2 0x0052
+#define MAX98363_R0053_SCP_DEV_ID_3 0x0053
+#define MAX98363_R0054_SCP_DEV_ID_4 0x0054
+#define MAX98363_R0055_SCP_DEV_ID_5 0x0055
+#define MAX98363_R0060_SCP_FRAME_CTRL 0x0060
+#define MAX98363_R0062_SCP_CLK_SCALE_BANK0 0x0062
+#define MAX98363_R0070_SCP_FRAME_CTRL 0x0070
+#define MAX98363_R0072_SCP_CLK_SCALE_BANK1 0x0072
+#define MAX98363_R0080_SCP_PHYOUTCTRL_0 0x0080
+
+/* SoundWire Device Data Port (DP) */
+/* Data Port 1 Registers */
+#define MAX98363_R0100_DP1_INIT_STAT 0x0100
+#define MAX98363_R0101_DP1_INIT_MASK 0x0101
+#define MAX98363_R0102_DP1_PORT_CTRL 0x0102
+#define MAX98363_R0103_DP1_BLOCK_CTRL_1 0x0103
+#define MAX98363_R0104_DP1_PREPARE_STATUS 0x0104
+#define MAX98363_R0105_DP1_PREPARE_CTRL 0x0105
+/* Data Port 1 Bank 0 Registers */
+#define MAX98363_R0120_DP1_CHANNEL_EN 0x0120
+#define MAX98363_R0122_DP1_SAMPLE_CTRL1 0x0122
+#define MAX98363_R0123_DP1_SAMPLE_CTRL2 0x0123
+#define MAX98363_R0124_DP1_OFFSET_CTRL1 0x0124
+#define MAX98363_R0125_DP1_OFFSET_CTRL2 0x0125
+#define MAX98363_R0126_DP1_HCTRL 0x0126
+#define MAX98363_R0127_DP1_BLOCK_CTRL3 0x0127
+/* Data Port 1 Bank 1 Registers */
+#define MAX98363_R0130_DP1_CHANNEL_EN 0x0130
+#define MAX98363_R0132_DP1_SAMPLE_CTRL1 0x0132
+#define MAX98363_R0133_DP1_SAMPLE_CTRL2 0x0133
+#define MAX98363_R0134_DP1_OFFSET_CTRL1 0x0134
+#define MAX98363_R0135_DP1_OFFSET_CTRL2 0x0135
+#define MAX98363_R0136_DP1_HCTRL 0x0136
+#define MAX98363_R0137_DP1_BLOCK_CTRL3 0x0137
+/* Data Port 3 Registers */
+#define MAX98363_R0300_DP3_INIT_STAT 0x0300
+#define MAX98363_R0301_DP3_INIT_MASK 0x0301
+#define MAX98363_R0302_DP3_PORT_CTRL 0x0302
+#define MAX98363_R0303_DP3_BLOCK_CTRL_1 0x0303
+#define MAX98363_R0304_DP3_PREPARE_STATUS 0x0304
+#define MAX98363_R0305_DP3_PREPARE_CTRL 0x0305
+/* Data Port 3 Bank 0 Registers */
+#define MAX98363_R0320_DP3_CHANNEL_EN 0x0320
+#define MAX98363_R0322_DP3_SAMPLE_CTRL1 0x0322
+#define MAX98363_R0323_DP3_SAMPLE_CTRL2 0x0323
+#define MAX98363_R0324_DP3_OFFSET_CTRL1 0x0324
+#define MAX98363_R0325_DP3_OFFSET_CTRL2 0x0325
+#define MAX98363_R0326_DP3_HCTRL 0x0326
+#define MAX98363_R0327_DP3_BLOCK_CTRL3 0x0327
+/* Data Port 3 Bank 1 Registers */
+#define MAX98363_R0330_DP3_CHANNEL_EN 0x0330
+#define MAX98363_R0332_DP3_SAMPLE_CTRL1 0x0332
+#define MAX98363_R0333_DP3_SAMPLE_CTRL2 0x0333
+#define MAX98363_R0334_DP3_OFFSET_CTRL1 0x0334
+#define MAX98363_R0335_DP3_OFFSET_CTRL2 0x0335
+#define MAX98363_R0336_DP3_HCTRL 0x0336
+#define MAX98363_R0337_DP3_BLOCK_CTRL3 0x0337
+/* Amp custom registers */
+#define MAX98363_R2000_SW_RESET 0x2000
+#define MAX98363_R2001_INTR_RAW 0x2001
+#define MAX98363_R2003_INTR_STATE 0x2003
+#define MAX98363_R2005_INTR_FALG 0x2005
+#define MAX98363_R2007_INTR_EN 0x2007
+#define MAX98363_R2009_INTR_CLR 0x2009
+#define MAX98363_R2021_ERR_MON_CTRL 0x2021
+#define MAX98363_R2022_SPK_MON_THRESH 0x2022
+#define MAX98363_R2023_SPK_MON_DURATION 0x2023
+#define MAX98363_R2030_TONE_GEN_CFG 0x2030
+#define MAX98363_R203F_TONE_GEN_EN 0x203F
+#define MAX98363_R2040_AMP_VOL 0x2040
+#define MAX98363_R2041_AMP_GAIN 0x2041
+#define MAX98363_R2042_DSP_CFG 0x2042
+#define MAX98363_R21FF_REV_ID 0x21FF
+
+/* MAX98363_R2021_ERR_MON_CTRL */
+#define MAX98363_SPKMON_SHIFT (3)
+#define MAX98363_CLOCK_MON_SHIFT (0)
+
+/* MAX98363_R2042_DSP_CFG */
+#define MAX98363_AMP_DSP_CFG_RMP_SHIFT (3)
+
+struct max98363_priv {
+ struct regmap *regmap;
+ struct regulator *vdd, *dvddio;
+ bool tdm_mode;
+ struct sdw_slave *slave;
+ int slot;
+ unsigned int rx_mask;
+ bool hw_init;
+ bool first_hw_init;
+};
+#endif
--
2.34.1
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