[PATCH] ASoC: rt1017: Add RT1017 SDCA amplifier driver

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From: Derek Fang <derek.fang@xxxxxxxxxxx>

This is the initial amplifier driver for rt1017 SDCA version.

Signed-off-by: Derek Fang <derek.fang@xxxxxxxxxxx>
---
 sound/soc/codecs/Kconfig           |   6 +
 sound/soc/codecs/Makefile          |   2 +
 sound/soc/codecs/rt1017-sdca-sdw.c | 824 +++++++++++++++++++++++++++++
 sound/soc/codecs/rt1017-sdca-sdw.h | 188 +++++++
 4 files changed, 1020 insertions(+)
 create mode 100644 sound/soc/codecs/rt1017-sdca-sdw.c
 create mode 100644 sound/soc/codecs/rt1017-sdca-sdw.h

diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 88c3dbe47..8aba442d1 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -184,6 +184,7 @@ config SND_SOC_ALL_CODECS
 	imply SND_SOC_RT1015
 	imply SND_SOC_RT1015P
 	imply SND_SOC_RT1016
+	imply SND_SOC_RT1017_SDCA_SDW
 	imply SND_SOC_RT1019
 	imply SND_SOC_RT1305
 	imply SND_SOC_RT1308
@@ -1428,6 +1429,11 @@ config SND_SOC_RT1016
 	tristate
 	depends on I2C
 
+config SND_SOC_RT1017_SDCA_SDW
+	tristate "Realtek RT1017 SDCA Codec - SDW"
+	depends on SOUNDWIRE
+	select REGMAP_SOUNDWIRE
+
 config SND_SOC_RT1019
 	tristate
 	depends on I2C
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index 32dcc6de5..be367839c 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -205,6 +205,7 @@ snd-soc-rt1011-objs := rt1011.o
 snd-soc-rt1015-objs := rt1015.o
 snd-soc-rt1015p-objs := rt1015p.o
 snd-soc-rt1016-objs := rt1016.o
+snd-soc-rt1017-sdca-objs := rt1017-sdca-sdw.o
 snd-soc-rt1019-objs := rt1019.o
 snd-soc-rt1305-objs := rt1305.o
 snd-soc-rt1308-objs := rt1308.o
@@ -583,6 +584,7 @@ obj-$(CONFIG_SND_SOC_RT1011)	+= snd-soc-rt1011.o
 obj-$(CONFIG_SND_SOC_RT1015)	+= snd-soc-rt1015.o
 obj-$(CONFIG_SND_SOC_RT1015P)	+= snd-soc-rt1015p.o
 obj-$(CONFIG_SND_SOC_RT1016)	+= snd-soc-rt1016.o
+obj-$(CONFIG_SND_SOC_RT1017_SDCA_SDW)	+= snd-soc-rt1017-sdca.o
 obj-$(CONFIG_SND_SOC_RT1019)	+= snd-soc-rt1019.o
 obj-$(CONFIG_SND_SOC_RT1305)	+= snd-soc-rt1305.o
 obj-$(CONFIG_SND_SOC_RT1308)	+= snd-soc-rt1308.o
diff --git a/sound/soc/codecs/rt1017-sdca-sdw.c b/sound/soc/codecs/rt1017-sdca-sdw.c
new file mode 100644
index 000000000..7295f44c7
--- /dev/null
+++ b/sound/soc/codecs/rt1017-sdca-sdw.c
@@ -0,0 +1,824 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// rt1017-sdca-sdw.c -- rt1017 SDCA ALSA SoC amplifier audio driver
+//
+// Copyright(c) 2023 Realtek Semiconductor Corp.
+//
+//
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/pm_runtime.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/regmap.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 "rt1017-sdca-sdw.h"
+
+static bool rt1017_sdca_readable_register(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case 0x2f55:
+	case 0x3206:
+	case 0xc000:
+	case 0xc001:
+	case 0xc022:
+	case 0xc030:
+	case 0xc104:
+	case 0xc10b:
+	case 0xc10c:
+	case 0xc110:
+	case 0xc112:
+	case 0xc300:
+	case 0xc301:
+	case 0xc318:
+	case 0xc325 ... 0xc328:
+	case 0xc331:
+	case 0xc340:
+	case 0xc350 ... 0xc351:
+	case 0xc500:
+	case 0xc502:
+	case 0xc504:
+	case 0xc507:
+	case 0xc509:
+	case 0xc510:
+	case 0xc512:
+	case 0xc518:
+	case 0xc51b:
+	case 0xc51d:
+	case 0xc520:
+	case 0xc540 ... 0xc542:
+	case 0xc550 ... 0xc552:
+	case 0xc600:
+	case 0xc602:
+	case 0xc612:
+	case 0xc622:
+	case 0xc632:
+	case 0xc642:
+	case 0xc651:
+	case 0xca00:
+	case 0xca09 ... 0xca0c:
+	case 0xca0e ... 0xca0f:
+	case 0xca10 ... 0xca11:
+	case 0xca16 ... 0xca17:
+	case 0xcb00:
+	case 0xcc00:
+	case 0xcc02:
+	case 0xd017:
+	case 0xd01a ... 0xd01c:
+	case 0xd101:
+	case 0xd20c:
+	case 0xd300:
+	case 0xd370:
+	case 0xd500:
+	case 0xd545 ... 0xd548:
+	case 0xd5a5 ... 0xd5a8:
+	case 0xd5aa ... 0xd5ad:
+	case 0xda04 ... 0xda07:
+	case 0xda09 ... 0xda0a:
+	case 0xda0c ... 0xda0f:
+	case 0xda11 ... 0xda14:
+	case 0xda16 ... 0xda19:
+	case 0xdab6 ... 0xdabb:
+	case 0xdb09 ... 0xdb0a:
+	case 0xdb14:
+
+	case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_UDMPU21,
+			RT1017_SDCA_CTL_UDMPU_CLUSTER, 0):
+	case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_FU,
+			RT1017_SDCA_CTL_FU_MUTE, 0x01):
+	case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_XU22,
+			RT1017_SDCA_CTL_BYPASS, 0):
+	case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_SAPU29,
+			RT1017_SDCA_CTL_PROT_STAT, 0):
+	case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_CS21,
+			RT1017_SDCA_CTL_FS_INDEX, 0):
+	case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_PDE23,
+			RT1017_SDCA_CTL_REQ_POWER_STATE, 0):
+	case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_PDE22,
+			RT1017_SDCA_CTL_REQ_POWER_STATE, 0):
+		return true;
+	default:
+		return false;
+	}
+}
+
+static bool rt1017_sdca_volatile_register(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case 0x2f55:
+	case 0xc000:
+	case 0xc022:
+	case 0xc351:
+	case 0xc518:
+	case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_SAPU29,
+			RT1017_SDCA_CTL_PROT_STAT, 0):
+		return true;
+	default:
+		return false;
+	}
+}
+
+static const struct reg_sequence rt1017_blind_write[] = {
+	{ 0xc001, 0x43 },
+	{ 0x2f55, 0x02 },
+	{ 0x3206, 0x80 },
+	{ 0x005f, 0x7f },
+	{ 0xd101, 0xa0 },
+	{ 0xc112, 0xc0 },
+	{ 0xc104, 0xaa },
+	{ 0xc110, 0x59 },
+	{ 0xc112, 0xc0 },
+	{ 0xc340, 0x80 },
+	{ 0xd017, 0x2c },
+	{ 0xd01a, 0xc8 },
+	{ 0xd01b, 0xcf },
+	{ 0xd01c, 0x0c },
+	{ 0xd20c, 0x14 },
+	{ 0xdb09, 0x0f },
+	{ 0xdb0a, 0x7f },
+	{ 0xdb14, 0x03 },
+	{ 0xcb00, 0x31 },
+	{ 0xc318, 0x44 },
+	{ 0xc325, 0xce },
+	{ 0xc326, 0x13 },
+	{ 0xc327, 0x5f },
+	{ 0xc328, 0xf3 },
+	{ 0xc350, 0xe1 },
+	{ 0xc351, 0x88 },
+	{ 0xc030, 0x14 },
+	{ 0xc331, 0xf2 },
+	{ 0xc551, 0x0f },
+	{ 0xc552, 0xff },
+	{ 0xc651, 0xc0 },
+	{ 0xc550, 0xd0 },
+	{ 0xc612, 0x00 },
+	{ 0xc622, 0x00 },
+	{ 0xc632, 0x00 },
+	{ 0xc642, 0x00 },
+	{ 0xc602, 0xf0 },
+	{ 0xc600, 0xd0 },
+	{ 0xcc02, 0x78 },
+	{ 0xcc00, 0x90 },
+	{ 0xc300, 0x3f },
+	{ 0xc301, 0x1d },
+	{ 0xc10b, 0x2e },
+	{ 0xc10c, 0x36 },
+
+	{ 0xd5a5, 0x00 },
+	{ 0xd5a6, 0x6a },
+	{ 0xd5a7, 0xaa },
+	{ 0xd5a8, 0xaa },
+	{ 0xd5aa, 0x00 },
+	{ 0xd5ab, 0x16 },
+	{ 0xd5ac, 0xdb },
+	{ 0xd5ad, 0x6d },
+	{ 0xd545, 0x09 },
+	{ 0xd546, 0x30 },
+	{ 0xd547, 0xf0 },
+	{ 0xd548, 0xf0 },
+	{ 0xd500, 0x20 },
+	{ 0xc504, 0x3f },
+	{ 0xc540, 0x00 },
+	{ 0xc541, 0x0a },
+	{ 0xc542, 0x1a },
+	{ 0xc512, 0x00 },
+	{ 0xc520, 0x40 },
+	{ 0xc51b, 0x7f },
+	{ 0xc51d, 0x0f },
+	{ 0xc500, 0x40 },
+	{ 0xc502, 0xde },
+	{ 0xc507, 0x05 },
+	{ 0xc509, 0x05 },
+	{ 0xc510, 0x40 },
+	{ 0xc518, 0xc0 },
+	{ 0xc500, 0xc0 },
+
+	{ 0xda0c, 0x00 },
+	{ 0xda0d, 0x0b },
+	{ 0xda0e, 0x55 },
+	{ 0xda0f, 0x55 },
+	{ 0xda04, 0x00 },
+	{ 0xda05, 0x51 },
+	{ 0xda06, 0xeb },
+	{ 0xda07, 0x85 },
+	{ 0xca16, 0x0f },
+	{ 0xca17, 0x00 },
+	{ 0xda09, 0x5d },
+	{ 0xda0a, 0xc0 },
+	{ 0xda11, 0x26 },
+	{ 0xda12, 0x66 },
+	{ 0xda13, 0x66 },
+	{ 0xda14, 0x66 },
+	{ 0xda16, 0x79 },
+	{ 0xda17, 0x99 },
+	{ 0xda18, 0x99 },
+	{ 0xda19, 0x99 },
+	{ 0xca09, 0x00 },
+	{ 0xca0a, 0x07 },
+	{ 0xca0b, 0x89 },
+	{ 0xca0c, 0x61 },
+	{ 0xca0e, 0x00 },
+	{ 0xca0f, 0x03 },
+	{ 0xca10, 0xc4 },
+	{ 0xca11, 0xb0 },
+	{ 0xdab6, 0x00 },
+	{ 0xdab7, 0x01 },
+	{ 0xdab8, 0x00 },
+	{ 0xdab9, 0x00 },
+	{ 0xdaba, 0x00 },
+	{ 0xdabb, 0x00 },
+	{ 0xd017, 0x0e },
+	{ 0xca00, 0xcd },
+	{ 0xc022, 0x84 },
+};
+
+#define RT1017_MAX_REG_NUM 0x4108ffff
+
+static const struct regmap_config rt1017_sdca_regmap = {
+	.reg_bits = 32,
+	.val_bits = 8,
+	.readable_reg = rt1017_sdca_readable_register,
+	.volatile_reg = rt1017_sdca_volatile_register,
+	.max_register = RT1017_MAX_REG_NUM,
+	.reg_defaults = rt1017_sdca_reg_defaults,
+	.num_reg_defaults = ARRAY_SIZE(rt1017_sdca_reg_defaults),
+	.cache_type = REGCACHE_MAPLE,
+	.use_single_read = true,
+	.use_single_write = true,
+};
+
+static int rt1017_sdca_read_prop(struct sdw_slave *slave)
+{
+	struct sdw_slave_prop *prop = &slave->prop;
+	int nval;
+	int i, j;
+	u32 bit;
+	unsigned long addr;
+	struct sdw_dpn_prop *dpn;
+
+	prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;
+	prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;
+
+	prop->paging_support = true;
+
+	/* first we need to allocate memory for set bits in port lists
+	 * port = 1 for AMP playback
+	 * port = 2 for IV capture
+	 */
+	prop->source_ports = BIT(2); /* BITMAP: 00000100 */
+	prop->sink_ports = BIT(1);   /* BITMAP: 00000010 */
+
+	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;
+
+	j = 0;
+	dpn = prop->sink_dpn_prop;
+	addr = prop->sink_ports;
+	for_each_set_bit(bit, &addr, 32) {
+		dpn[j].num = bit;
+		dpn[j].type = SDW_DPN_FULL;
+		dpn[j].simple_ch_prep_sm = true;
+		dpn[j].ch_prep_timeout = 10;
+		j++;
+	}
+
+	/* set the timeout values */
+	prop->clk_stop_timeout = 64;
+
+	return 0;
+}
+
+static int rt1017_sdca_io_init(struct device *dev, struct sdw_slave *slave)
+{
+	struct rt1017_sdca_priv *rt1017 = dev_get_drvdata(dev);
+
+	if (rt1017->hw_init)
+		return 0;
+
+	if (rt1017->first_hw_init) {
+		regcache_cache_only(rt1017->regmap, false);
+		regcache_cache_bypass(rt1017->regmap, true);
+	} else {
+		/*
+		 * PM runtime is only enabled when a Slave reports as Attached
+		 */
+
+		/* 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);
+
+	/* sw reset */
+	regmap_write(rt1017->regmap, 0xc000, 0x02);
+
+	/* initial settings - blind write */
+	regmap_multi_reg_write(rt1017->regmap, rt1017_blind_write,
+		ARRAY_SIZE(rt1017_blind_write));
+
+	if (rt1017->first_hw_init) {
+		regcache_cache_bypass(rt1017->regmap, false);
+		regcache_mark_dirty(rt1017->regmap);
+	} else
+		rt1017->first_hw_init = true;
+
+	/* Mark Slave initialization complete */
+	rt1017->hw_init = true;
+
+	pm_runtime_mark_last_busy(&slave->dev);
+	pm_runtime_put_autosuspend(&slave->dev);
+
+	dev_dbg(&slave->dev, "hw_init complete\n");
+	return 0;
+}
+
+static int rt1017_sdca_update_status(struct sdw_slave *slave,
+				enum sdw_slave_status status)
+{
+	struct  rt1017_sdca_priv *rt1017 = dev_get_drvdata(&slave->dev);
+
+	if (status == SDW_SLAVE_UNATTACHED)
+		rt1017->hw_init = false;
+
+	/*
+	 * Perform initialization only if slave status is present and
+	 * hw_init flag is false
+	 */
+	if (rt1017->hw_init || status != SDW_SLAVE_ATTACHED)
+		return 0;
+
+	/* perform I/O transfers required for Slave initialization */
+	return rt1017_sdca_io_init(&slave->dev, slave);
+}
+
+static const char * const rt1017_rx_data_ch_select[] = {
+	"Bypass",
+	"CN1",
+	"CN2",
+	"CN3",
+	"CN4",
+	"(1+2)/2",
+	"(1+3)/2",
+	"(1+4)/2",
+	"(2+3)/2",
+	"(2+4)/2",
+	"(3+4)/2",
+};
+
+static SOC_ENUM_SINGLE_DECL(rt1017_rx_data_ch_enum,
+			SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_UDMPU21,
+				RT1017_SDCA_CTL_UDMPU_CLUSTER, 0),
+			0, rt1017_rx_data_ch_select);
+
+static const struct snd_kcontrol_new rt1017_sdca_controls[] = {
+	/* UDMPU Cluster Selection */
+	SOC_ENUM("RX Channel Select", rt1017_rx_data_ch_enum),
+};
+
+static const struct snd_kcontrol_new rt1017_sto_dac =
+	SOC_DAPM_SINGLE("Switch",
+		SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_FU, RT1017_SDCA_CTL_FU_MUTE, 0x1),
+		0, 1, 1);
+
+static int rt1017_sdca_pde23_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 rt1017_sdca_priv *rt1017 = snd_soc_component_get_drvdata(component);
+	unsigned char ps0 = 0x0, ps3 = 0x3;
+
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMU:
+		regmap_write(rt1017->regmap,
+			SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_PDE23,
+				RT1017_SDCA_CTL_REQ_POWER_STATE, 0),
+				ps0);
+		break;
+	case SND_SOC_DAPM_PRE_PMD:
+		regmap_write(rt1017->regmap,
+			SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_PDE23,
+				RT1017_SDCA_CTL_REQ_POWER_STATE, 0),
+				ps3);
+		break;
+	default:
+		break;
+	}
+	return 0;
+}
+
+static int rt1017_sdca_classd_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 rt1017_sdca_priv *rt1017 = snd_soc_component_get_drvdata(component);
+
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMU:
+		regmap_update_bits(rt1017->regmap, RT1017_PWM_TRIM_1,
+			RT1017_PWM_FREQ_CTL_SRC_SEL_MASK, RT1017_PWM_FREQ_CTL_SRC_SEL_REG);
+		regmap_write(rt1017->regmap, RT1017_CLASSD_INT_1, 0x10);
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static int rt1017_sdca_feedback_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 rt1017_sdca_priv *rt1017 = snd_soc_component_get_drvdata(component);
+
+	switch (event) {
+	case SND_SOC_DAPM_PRE_PMU:
+		regmap_update_bits(rt1017->regmap, 0xd017, 0x1f, 0x08);
+		break;
+	case SND_SOC_DAPM_POST_PMD:
+		regmap_update_bits(rt1017->regmap, 0xd017, 0x1f, 0x09);
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static const struct snd_soc_dapm_widget rt1017_sdca_dapm_widgets[] = {
+	/* Audio Interface */
+	SND_SOC_DAPM_AIF_IN("DP1RX", "DP1 Playback", 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT_E("DP2TX", "DP2 Capture", 0, SND_SOC_NOPM, 0, 0,
+		rt1017_sdca_feedback_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+
+	/* Digital Interface */
+	SND_SOC_DAPM_SWITCH("DAC", SND_SOC_NOPM, 0, 0, &rt1017_sto_dac),
+
+	/* Output Lines */
+	SND_SOC_DAPM_PGA_E("CLASS D", SND_SOC_NOPM, 0, 0, NULL, 0,
+		rt1017_sdca_classd_event, SND_SOC_DAPM_POST_PMU),
+	SND_SOC_DAPM_OUTPUT("SPO"),
+
+	SND_SOC_DAPM_SUPPLY("PDE23", SND_SOC_NOPM, 0, 0,
+		rt1017_sdca_pde23_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+
+	SND_SOC_DAPM_PGA("I Sense", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("V Sense", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_SIGGEN("I Gen"),
+	SND_SOC_DAPM_SIGGEN("V Gen"),
+};
+
+static const struct snd_soc_dapm_route rt1017_sdca_dapm_routes[] = {
+
+	{ "DAC", "Switch", "DP1RX" },
+	{ "CLASS D", NULL, "DAC" },
+	{ "CLASS D", NULL, "PDE23" },
+	{ "SPO", NULL, "CLASS D" },
+
+	{ "I Sense", NULL, "I Gen" },
+	{ "V Sense", NULL, "V Gen" },
+	{ "I Sense", NULL, "PDE23" },
+	{ "V Sense", NULL, "PDE23" },
+	{ "DP2TX", NULL, "I Sense" },
+	{ "DP2TX", NULL, "V Sense" },
+};
+
+static struct sdw_slave_ops rt1017_sdca_slave_ops = {
+	.read_prop = rt1017_sdca_read_prop,
+	.update_status = rt1017_sdca_update_status,
+};
+
+static int rt1017_sdca_component_probe(struct snd_soc_component *component)
+{
+	int ret;
+
+	ret = pm_runtime_resume(component->dev);
+	if (ret < 0 && ret != -EACCES)
+		return ret;
+
+	return 0;
+}
+
+static void rt1017_sdca_component_remove(struct snd_soc_component *component)
+{
+	struct rt1017_sdca_priv *rt1017 = snd_soc_component_get_drvdata(component);
+
+	regcache_cache_only(rt1017->regmap, true);
+}
+
+static const struct snd_soc_component_driver soc_sdca_component_rt1017 = {
+	.probe = rt1017_sdca_component_probe,
+	.remove = rt1017_sdca_component_remove,
+	.controls = rt1017_sdca_controls,
+	.num_controls = ARRAY_SIZE(rt1017_sdca_controls),
+	.dapm_widgets = rt1017_sdca_dapm_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(rt1017_sdca_dapm_widgets),
+	.dapm_routes = rt1017_sdca_dapm_routes,
+	.num_dapm_routes = ARRAY_SIZE(rt1017_sdca_dapm_routes),
+	.endianness = 1,
+};
+
+static int rt1017_sdca_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
+				int direction)
+{
+	snd_soc_dai_dma_data_set(dai, direction, sdw_stream);
+
+	return 0;
+}
+
+static void rt1017_sdca_shutdown(struct snd_pcm_substream *substream,
+				struct snd_soc_dai *dai)
+{
+	snd_soc_dai_set_dma_data(dai, substream, NULL);
+}
+
+static int rt1017_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 rt1017_sdca_priv *rt1017 = 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_runtime *sdw_stream;
+	int retval, port, num_channels, ch_mask;
+	unsigned int sampling_rate;
+
+	dev_dbg(dai->dev, "%s %s", __func__, dai->name);
+	sdw_stream = snd_soc_dai_get_dma_data(dai, substream);
+
+	if (!sdw_stream)
+		return -EINVAL;
+
+	if (!rt1017->sdw_slave)
+		return -EINVAL;
+
+	/* SoundWire specific configuration */
+	/* port 1 for playback */
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+		direction = SDW_DATA_DIR_RX;
+		port = 1;
+	} else {
+		direction = SDW_DATA_DIR_TX;
+		port = 2;
+	}
+
+	num_channels = params_channels(params);
+	ch_mask = (1 << num_channels) - 1;
+
+	stream_config.frame_rate = params_rate(params);
+	stream_config.ch_count = num_channels;
+	stream_config.bps = snd_pcm_format_width(params_format(params));
+	stream_config.direction = direction;
+
+	port_config.ch_mask = ch_mask;
+	port_config.num = port;
+
+	dev_dbg(dai->dev, "frame_rate %d, ch_count %d, bps %d, direction %d, ch_mask %d, port: %d\n",
+		params_rate(params), num_channels, snd_pcm_format_width(params_format(params)),
+		direction, ch_mask, port);
+
+	retval = sdw_stream_add_slave(rt1017->sdw_slave, &stream_config,
+				&port_config, 1, sdw_stream);
+	if (retval) {
+		dev_err(dai->dev, "Unable to configure port\n");
+		return retval;
+	}
+
+	/* sampling rate configuration */
+	switch (params_rate(params)) {
+	case 44100:
+		sampling_rate = RT1017_SDCA_RATE_44100HZ;
+		break;
+	case 48000:
+		sampling_rate = RT1017_SDCA_RATE_48000HZ;
+		break;
+	case 96000:
+		sampling_rate = RT1017_SDCA_RATE_96000HZ;
+		break;
+	case 192000:
+		sampling_rate = RT1017_SDCA_RATE_192000HZ;
+		break;
+	default:
+		dev_err(component->dev, "Rate %d is not supported\n",
+			params_rate(params));
+		return -EINVAL;
+	}
+
+	/* set sampling frequency */
+	regmap_write(rt1017->regmap,
+		SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_CS21,
+			RT1017_SDCA_CTL_FS_INDEX, 0),
+		sampling_rate);
+
+	return 0;
+}
+
+static int rt1017_sdca_pcm_hw_free(struct snd_pcm_substream *substream,
+				struct snd_soc_dai *dai)
+{
+	struct snd_soc_component *component = dai->component;
+	struct rt1017_sdca_priv *rt1017 = snd_soc_component_get_drvdata(component);
+	struct sdw_stream_runtime *sdw_stream =
+		snd_soc_dai_get_dma_data(dai, substream);
+
+	if (!rt1017->sdw_slave)
+		return -EINVAL;
+
+	sdw_stream_remove_slave(rt1017->sdw_slave, sdw_stream);
+	return 0;
+}
+
+static const struct snd_soc_dai_ops rt1017_sdca_ops = {
+	.hw_params	= rt1017_sdca_pcm_hw_params,
+	.hw_free	= rt1017_sdca_pcm_hw_free,
+	.set_stream	= rt1017_sdca_set_sdw_stream,
+	.shutdown	= rt1017_sdca_shutdown,
+};
+
+#define RT1017_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | \
+			     SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000)
+#define RT1017_FORMATS (SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S16_LE | \
+			SNDRV_PCM_FMTBIT_S24_LE)
+
+static struct snd_soc_dai_driver rt1017_sdca_dai[] = {
+	{
+		.name = "rt1017-aif",
+		.playback = {
+			.stream_name = "DP1 Playback",
+			.channels_min = 1,
+			.channels_max = 1,
+			.rates = RT1017_STEREO_RATES,
+			.formats = RT1017_FORMATS,
+		},
+		.capture = {
+			.stream_name = "DP2 Capture",
+			.channels_min = 1,
+			.channels_max = 1,
+			.rates = RT1017_STEREO_RATES,
+			.formats = RT1017_FORMATS,
+		},
+		.ops = &rt1017_sdca_ops,
+	},
+};
+
+static int rt1017_sdca_init(struct device *dev, struct regmap *regmap,
+			struct sdw_slave *slave)
+{
+	struct rt1017_sdca_priv *rt1017;
+	int ret;
+
+	rt1017 = devm_kzalloc(dev, sizeof(*rt1017), GFP_KERNEL);
+	if (!rt1017)
+		return -ENOMEM;
+
+	dev_set_drvdata(dev, rt1017);
+	rt1017->sdw_slave = slave;
+	rt1017->regmap = regmap;
+
+	/*
+	 * Mark hw_init to false
+	 * HW init will be performed when device reports present
+	 */
+	rt1017->hw_init = false;
+	rt1017->first_hw_init = false;
+
+	ret =  devm_snd_soc_register_component(dev,
+				&soc_sdca_component_rt1017,
+				rt1017_sdca_dai,
+				ARRAY_SIZE(rt1017_sdca_dai));
+
+	return ret;
+}
+
+static int rt1017_sdca_sdw_probe(struct sdw_slave *slave,
+				const struct sdw_device_id *id)
+{
+	struct regmap *regmap;
+
+	/* Regmap Initialization */
+	regmap = devm_regmap_init_sdw(slave, &rt1017_sdca_regmap);
+	if (IS_ERR(regmap))
+		return PTR_ERR(regmap);
+
+	return rt1017_sdca_init(&slave->dev, regmap, slave);
+}
+
+static int rt1017_sdca_sdw_remove(struct sdw_slave *slave)
+{
+	struct rt1017_sdca_priv *rt1017 = dev_get_drvdata(&slave->dev);
+
+	if (rt1017->first_hw_init)
+		pm_runtime_disable(&slave->dev);
+
+	return 0;
+}
+
+static const struct sdw_device_id rt1017_sdca_id[] = {
+	SDW_SLAVE_ENTRY_EXT(0x025d, 0x1017, 0x3, 0x1, 0),
+	{},
+};
+MODULE_DEVICE_TABLE(sdw, rt1017_sdca_id);
+
+static int __maybe_unused rt1017_sdca_dev_suspend(struct device *dev)
+{
+	struct rt1017_sdca_priv *rt1017 = dev_get_drvdata(dev);
+
+	if (!rt1017->hw_init)
+		return 0;
+
+	regcache_cache_only(rt1017->regmap, true);
+
+	return 0;
+}
+
+#define RT1017_PROBE_TIMEOUT 5000
+
+static int __maybe_unused rt1017_sdca_dev_resume(struct device *dev)
+{
+	struct sdw_slave *slave = dev_to_sdw_dev(dev);
+	struct rt1017_sdca_priv *rt1017 = dev_get_drvdata(dev);
+	unsigned long time;
+
+	if (!rt1017->first_hw_init)
+		return 0;
+
+	if (!slave->unattach_request)
+		goto regmap_sync;
+
+	time = wait_for_completion_timeout(&slave->initialization_complete,
+				msecs_to_jiffies(RT1017_PROBE_TIMEOUT));
+	if (!time) {
+		dev_err(&slave->dev, "Initialization not complete, timed out\n");
+		sdw_show_ping_status(slave->bus, true);
+
+		return -ETIMEDOUT;
+	}
+
+regmap_sync:
+	slave->unattach_request = 0;
+	regcache_cache_only(rt1017->regmap, false);
+	regcache_sync(rt1017->regmap);
+
+	return 0;
+}
+
+static const struct dev_pm_ops rt1017_sdca_pm = {
+	SET_SYSTEM_SLEEP_PM_OPS(rt1017_sdca_dev_suspend, rt1017_sdca_dev_resume)
+	SET_RUNTIME_PM_OPS(rt1017_sdca_dev_suspend, rt1017_sdca_dev_resume, NULL)
+};
+
+static struct sdw_driver rt1017_sdca_sdw_driver = {
+	.driver = {
+		.name = "rt1017-sdca",
+		.owner = THIS_MODULE,
+		.pm = &rt1017_sdca_pm,
+	},
+	.probe = rt1017_sdca_sdw_probe,
+	.remove = rt1017_sdca_sdw_remove,
+	.ops = &rt1017_sdca_slave_ops,
+	.id_table = rt1017_sdca_id,
+};
+module_sdw_driver(rt1017_sdca_sdw_driver);
+
+MODULE_DESCRIPTION("ASoC RT1017 driver SDCA SDW");
+MODULE_AUTHOR("Derek Fang <derek.fang@xxxxxxxxxxx>");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/rt1017-sdca-sdw.h b/sound/soc/codecs/rt1017-sdca-sdw.h
new file mode 100644
index 000000000..5968b9a7d
--- /dev/null
+++ b/sound/soc/codecs/rt1017-sdca-sdw.h
@@ -0,0 +1,188 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * rt1017-sdca-sdw.h -- RT1017 SDCA ALSA SoC audio driver header
+ *
+ * Copyright(c) 2023 Realtek Semiconductor Corp.
+ */
+
+#ifndef __RT1017_SDW_H__
+#define __RT1017_SDW_H__
+
+#include <linux/regmap.h>
+#include <linux/soundwire/sdw.h>
+#include <linux/soundwire/sdw_type.h>
+#include <linux/soundwire/sdw_registers.h>
+#include <sound/soc.h>
+
+/* RT1017 SDCA Control - function number */
+#define FUNC_NUM_SMART_AMP 0x04
+
+/* RT1017 SDCA entity */
+#define RT1017_SDCA_ENT_PDE23 0x31
+#define RT1017_SDCA_ENT_PDE22 0x33
+#define RT1017_SDCA_ENT_CS21 0x21
+#define RT1017_SDCA_ENT_SAPU29 0x29
+#define RT1017_SDCA_ENT_XU22 0x22
+#define RT1017_SDCA_ENT_FU 0x03
+#define RT1017_SDCA_ENT_UDMPU21 0x02
+
+/* RT1017 SDCA control */
+#define RT1017_SDCA_CTL_FS_INDEX 0x10
+#define RT1017_SDCA_CTL_REQ_POWER_STATE 0x01
+#define RT1017_SDCA_CTL_PROT_STAT 0x11
+#define RT1017_SDCA_CTL_BYPASS 0x01
+#define RT1017_SDCA_CTL_FU_MUTE 0x01
+#define RT1017_SDCA_CTL_FU_VOLUME 0x02
+#define RT1017_SDCA_CTL_UDMPU_CLUSTER 0x10
+
+
+#define RT1017_CLASSD_INT_1		0xd300
+#define RT1017_PWM_TRIM_1		0xd370
+
+
+#define RT1017_PWM_FREQ_CTL_SRC_SEL_MASK	(0x3 << 2)
+#define RT1017_PWM_FREQ_CTL_SRC_SEL_EFUSE	(0x2 << 2)
+#define RT1017_PWM_FREQ_CTL_SRC_SEL_REG		(0x0 << 2)
+
+enum {
+	RT1017_SDCA_RATE_44100HZ = 0x8,
+	RT1017_SDCA_RATE_48000HZ = 0x9,
+	RT1017_SDCA_RATE_96000HZ = 0xb,
+	RT1017_SDCA_RATE_192000HZ = 0xd,
+};
+
+struct rt1017_sdca_priv {
+	struct snd_soc_component *component;
+	struct regmap *regmap;
+	struct sdw_slave *sdw_slave;
+	struct sdw_bus_params params;
+	bool hw_init;
+	bool first_hw_init;
+};
+
+static const struct reg_default rt1017_sdca_reg_defaults[] = {
+	{ 0x3206, 0x00 },
+	{ 0xc001, 0x43 },
+	{ 0xc030, 0x54 },
+	{ 0xc104, 0x8a },
+	{ 0xc10b, 0x2f },
+	{ 0xc10c, 0x2f },
+	{ 0xc110, 0x49 },
+	{ 0xc112, 0x10 },
+	{ 0xc300, 0xff },
+	{ 0xc301, 0xdd },
+	{ 0xc318, 0x40 },
+	{ 0xc325, 0x00 },
+	{ 0xc326, 0x00 },
+	{ 0xc327, 0x00 },
+	{ 0xc328, 0x02 },
+	{ 0xc331, 0xb2 },
+	{ 0xc340, 0x02 },
+	{ 0xc350, 0x21 },
+	{ 0xc500, 0x00 },
+	{ 0xc502, 0x00 },
+	{ 0xc504, 0x3f },
+	{ 0xc507, 0x1f },
+	{ 0xc509, 0x1f },
+	{ 0xc510, 0x40 },
+	{ 0xc512, 0x00 },
+	{ 0xc518, 0x02 },
+	{ 0xc51b, 0x7f },
+	{ 0xc51d, 0x0f },
+	{ 0xc520, 0x00 },
+	{ 0xc540, 0x80 },
+	{ 0xc541, 0x00 },
+	{ 0xc542, 0x0a },
+	{ 0xc550, 0x80 },
+	{ 0xc551, 0x0f },
+	{ 0xc552, 0xff },
+	{ 0xc600, 0x10 },
+	{ 0xc602, 0x83 },
+	{ 0xc612, 0x40 },
+	{ 0xc622, 0x40 },
+	{ 0xc632, 0x40 },
+	{ 0xc642, 0x40 },
+	{ 0xc651, 0x00 },
+	{ 0xca00, 0xc1 },
+	{ 0xca09, 0x00 },
+	{ 0xca0a, 0x51 },
+	{ 0xca0b, 0xeb },
+	{ 0xca0c, 0x85 },
+	{ 0xca0e, 0x00 },
+	{ 0xca0f, 0x10 },
+	{ 0xca10, 0x62 },
+	{ 0xca11, 0x4d },
+	{ 0xca16, 0x0f },
+	{ 0xca17, 0x00 },
+	{ 0xcb00, 0x10 },
+	{ 0xcc00, 0x10 },
+	{ 0xcc02, 0x0b },
+	{ 0xd017, 0x09 },
+	{ 0xd01a, 0x00 },
+	{ 0xd01b, 0x00 },
+	{ 0xd01c, 0x00 },
+	{ 0xd101, 0xa0 },
+	{ 0xd20c, 0x14 },
+	{ 0xd300, 0x0f },
+	{ 0xd370, 0x18 },
+	{ 0xd500, 0x00 },
+	{ 0xd545, 0x0b },
+	{ 0xd546, 0xf9 },
+	{ 0xd547, 0xb2 },
+	{ 0xd548, 0xa9 },
+	{ 0xd5a5, 0x00 },
+	{ 0xd5a6, 0x00 },
+	{ 0xd5a7, 0x00 },
+	{ 0xd5a8, 0x00 },
+	{ 0xd5aa, 0x00 },
+	{ 0xd5ab, 0x00 },
+	{ 0xd5ac, 0x00 },
+	{ 0xd5ad, 0x00 },
+	{ 0xda04, 0x03 },
+	{ 0xda05, 0x33 },
+	{ 0xda06, 0x33 },
+	{ 0xda07, 0x33 },
+	{ 0xda09, 0x5d },
+	{ 0xda0a, 0xc0 },
+	{ 0xda0c, 0x00 },
+	{ 0xda0d, 0x01 },
+	{ 0xda0e, 0x5d },
+	{ 0xda0f, 0x86 },
+	{ 0xda11, 0x20 },
+	{ 0xda12, 0x00 },
+	{ 0xda13, 0x00 },
+	{ 0xda14, 0x00 },
+	{ 0xda16, 0x7f },
+	{ 0xda17, 0xff },
+	{ 0xda18, 0xff },
+	{ 0xda19, 0xff },
+	{ 0xdab6, 0x00 },
+	{ 0xdab7, 0x01 },
+	{ 0xdab8, 0x00 },
+	{ 0xdab9, 0x01 },
+	{ 0xdaba, 0x00 },
+	{ 0xdabb, 0x01 },
+	{ 0xdb09, 0x0f },
+	{ 0xdb0a, 0xff },
+	{ 0xdb14, 0x00 },
+
+	{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_UDMPU21,
+			RT1017_SDCA_CTL_UDMPU_CLUSTER, 0), 0x00 },
+	{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_FU,
+			RT1017_SDCA_CTL_FU_MUTE, 0x01), 0x01 },
+	{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_XU22,
+			RT1017_SDCA_CTL_BYPASS, 0), 0x01 },
+	{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_CS21,
+			RT1017_SDCA_CTL_FS_INDEX, 0), 0x09 },
+	{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_PDE23,
+			RT1017_SDCA_CTL_REQ_POWER_STATE, 0), 0x03 },
+	{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_PDE22,
+			RT1017_SDCA_CTL_REQ_POWER_STATE, 0), 0x03 },
+};
+
+static const struct reg_default rt1017_sdca_mbq_defaults[] = {
+	{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1017_SDCA_ENT_FU,
+			RT1017_SDCA_CTL_FU_VOLUME, 0x01), 0x00 },
+};
+
+#endif /* __RT1017_SDW_H__ */
-- 
2.34.1




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