Merge tag 'asoc-v6.5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Updates for v6.5

A fairly quiet release from a core and framework point of view, but a
very big one from the point of view of new drivers:

 - More refectoring from Morimoto-san, this time mainly around DAI
   links and how we control the ordering of trigger() callbacks.
 - Convert a lot of drivers to use maple tree based caches.
 - Lots of work on the x86 driver stack.
 - Compressed audio support for Qualcomm.
 - Support for AMD SoundWire, Analog Devices SSM3515, Google Chameleon,
   Ingenic X1000, Intel systems with various CODECs, Longsoon platforms,
   Maxim MAX98388, Mediatek MT8188, Nuvoton NAU8825C, NXP platforms with
   NAU8822, Qualcomm WSA884x, StarFive JH7110, Texas Instruments TAS2781.

1 files changed, 507 insertions, 0 deletions

diff --git a/sound/soc/codecs/rt722-sdca-sdw.c b/sound/soc/codecs/rt722-sdca-sdw.c
new file mode 100644
index 000000000000..cc57e4e27805
--- /dev/null
+++ b/sound/soc/codecs/rt722-sdca-sdw.c
@@ -0,0 +1,507 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// rt722-sdca-sdw.c -- rt722 SDCA ALSA SoC audio driver
+//
+// Copyright(c) 2023 Realtek Semiconductor Corp.
+//
+//
+
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/mod_devicetable.h>
+#include <linux/pm_runtime.h>
+#include <linux/soundwire/sdw_registers.h>
+
+#include "rt722-sdca.h"
+#include "rt722-sdca-sdw.h"
+
+static bool rt722_sdca_readable_register(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case 0x2f01 ... 0x2f0a:
+	case 0x2f35 ... 0x2f36:
+	case 0x2f50:
+	case 0x2f54:
+	case 0x2f58 ... 0x2f5d:
+	case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT722_SDCA_ENT_GE49, RT722_SDCA_CTL_SELECTED_MODE,
+			0):
+	case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT722_SDCA_ENT_GE49, RT722_SDCA_CTL_DETECTED_MODE,
+			0):
+	case SDW_SDCA_CTL(FUNC_NUM_HID, RT722_SDCA_ENT_HID01, RT722_SDCA_CTL_HIDTX_CURRENT_OWNER,
+			0) ... SDW_SDCA_CTL(FUNC_NUM_HID, RT722_SDCA_ENT_HID01,
+			RT722_SDCA_CTL_HIDTX_MESSAGE_LENGTH, 0):
+	case RT722_BUF_ADDR_HID1 ... RT722_BUF_ADDR_HID2:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static bool rt722_sdca_volatile_register(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case 0x2f01:
+	case 0x2f54:
+	case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT722_SDCA_ENT_GE49, RT722_SDCA_CTL_DETECTED_MODE,
+			0):
+	case SDW_SDCA_CTL(FUNC_NUM_HID, RT722_SDCA_ENT_HID01, RT722_SDCA_CTL_HIDTX_CURRENT_OWNER,
+			0) ... SDW_SDCA_CTL(FUNC_NUM_HID, RT722_SDCA_ENT_HID01,
+			RT722_SDCA_CTL_HIDTX_MESSAGE_LENGTH, 0):
+	case RT722_BUF_ADDR_HID1 ... RT722_BUF_ADDR_HID2:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static bool rt722_sdca_mbq_readable_register(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case 0x2000000 ... 0x2000024:
+	case 0x2000029 ... 0x200004a:
+	case 0x2000051 ... 0x2000052:
+	case 0x200005a ... 0x200005b:
+	case 0x2000061 ... 0x2000069:
+	case 0x200006b:
+	case 0x2000070:
+	case 0x200007f:
+	case 0x2000082 ... 0x200008e:
+	case 0x2000090 ... 0x2000094:
+	case 0x5300000 ... 0x5300002:
+	case 0x5400002:
+	case 0x5600000 ... 0x5600007:
+	case 0x5700000 ... 0x5700004:
+	case 0x5800000 ... 0x5800004:
+	case 0x5b00003:
+	case 0x5c00011:
+	case 0x5d00006:
+	case 0x5f00000 ... 0x5f0000d:
+	case 0x5f00030:
+	case 0x6100000 ... 0x6100051:
+	case 0x6100055 ... 0x6100057:
+	case 0x6100062:
+	case 0x6100064 ... 0x6100065:
+	case 0x6100067:
+	case 0x6100070 ... 0x610007c:
+	case 0x6100080:
+	case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT722_SDCA_ENT_USER_FU1E, RT722_SDCA_CTL_FU_VOLUME,
+			CH_01):
+	case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT722_SDCA_ENT_USER_FU1E, RT722_SDCA_CTL_FU_VOLUME,
+			CH_02):
+	case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT722_SDCA_ENT_USER_FU1E, RT722_SDCA_CTL_FU_VOLUME,
+			CH_03):
+	case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT722_SDCA_ENT_USER_FU1E, RT722_SDCA_CTL_FU_VOLUME,
+			CH_04):
+	case SDW_SDCA_CTL(FUNC_NUM_AMP, RT722_SDCA_ENT_USER_FU06, RT722_SDCA_CTL_FU_VOLUME, CH_L):
+	case SDW_SDCA_CTL(FUNC_NUM_AMP, RT722_SDCA_ENT_USER_FU06, RT722_SDCA_CTL_FU_VOLUME, CH_R):
+	case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT722_SDCA_ENT_USER_FU05, RT722_SDCA_CTL_FU_VOLUME,
+			CH_L):
+	case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT722_SDCA_ENT_USER_FU05, RT722_SDCA_CTL_FU_VOLUME,
+			CH_R):
+	case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT722_SDCA_ENT_USER_FU0F, RT722_SDCA_CTL_FU_VOLUME,
+			CH_L):
+	case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT722_SDCA_ENT_USER_FU0F, RT722_SDCA_CTL_FU_VOLUME,
+			CH_R):
+	case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT722_SDCA_ENT_PLATFORM_FU44,
+			RT722_SDCA_CTL_FU_CH_GAIN, CH_L):
+	case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT722_SDCA_ENT_PLATFORM_FU44,
+			RT722_SDCA_CTL_FU_CH_GAIN, CH_R):
+		return true;
+	default:
+		return false;
+	}
+}
+
+static bool rt722_sdca_mbq_volatile_register(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case 0x2000000:
+	case 0x200000d:
+	case 0x2000019:
+	case 0x2000020:
+	case 0x2000030:
+	case 0x2000046:
+	case 0x2000067:
+	case 0x2000084:
+	case 0x2000086:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static const struct regmap_config rt722_sdca_regmap = {
+	.reg_bits = 32,
+	.val_bits = 8,
+	.readable_reg = rt722_sdca_readable_register,
+	.volatile_reg = rt722_sdca_volatile_register,
+	.max_register = 0x44ffffff,
+	.reg_defaults = rt722_sdca_reg_defaults,
+	.num_reg_defaults = ARRAY_SIZE(rt722_sdca_reg_defaults),
+	.cache_type = REGCACHE_MAPLE,
+	.use_single_read = true,
+	.use_single_write = true,
+};
+
+static const struct regmap_config rt722_sdca_mbq_regmap = {
+	.name = "sdw-mbq",
+	.reg_bits = 32,
+	.val_bits = 16,
+	.readable_reg = rt722_sdca_mbq_readable_register,
+	.volatile_reg = rt722_sdca_mbq_volatile_register,
+	.max_register = 0x41000312,
+	.reg_defaults = rt722_sdca_mbq_defaults,
+	.num_reg_defaults = ARRAY_SIZE(rt722_sdca_mbq_defaults),
+	.cache_type = REGCACHE_MAPLE,
+	.use_single_read = true,
+	.use_single_write = true,
+};
+
+static int rt722_sdca_update_status(struct sdw_slave *slave,
+				enum sdw_slave_status status)
+{
+	struct rt722_sdca_priv *rt722 = dev_get_drvdata(&slave->dev);
+
+	if (status == SDW_SLAVE_UNATTACHED)
+		rt722->hw_init = false;
+
+	if (status == SDW_SLAVE_ATTACHED) {
+		if (rt722->hs_jack) {
+		/*
+		 * Due to the SCP_SDCA_INTMASK will be cleared by any reset, and then
+		 * if the device attached again, we will need to set the setting back.
+		 * It could avoid losing the jack detection interrupt.
+		 * This also could sync with the cache value as the rt722_sdca_jack_init set.
+		 */
+			sdw_write_no_pm(rt722->slave, SDW_SCP_SDCA_INTMASK1,
+				SDW_SCP_SDCA_INTMASK_SDCA_0 | SDW_SCP_SDCA_INTMASK_SDCA_6);
+			sdw_write_no_pm(rt722->slave, SDW_SCP_SDCA_INTMASK2,
+				SDW_SCP_SDCA_INTMASK_SDCA_8);
+		}
+	}
+
+	/*
+	 * Perform initialization only if slave status is present and
+	 * hw_init flag is false
+	 */
+	if (rt722->hw_init || status != SDW_SLAVE_ATTACHED)
+		return 0;
+
+	/* perform I/O transfers required for Slave initialization */
+	return rt722_sdca_io_init(&slave->dev, slave);
+}
+
+static int rt722_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;
+
+	/*
+	 * port = 1 for headphone playback
+	 * port = 2 for headset-mic capture
+	 * port = 3 for speaker playback
+	 * port = 6 for digital-mic capture
+	 */
+	prop->source_ports = BIT(6) | BIT(2); /* BITMAP: 01000100 */
+	prop->sink_ports = BIT(3) | BIT(1); /* BITMAP:  00001010 */
+
+	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 = 200;
+
+	/* wake-up event */
+	prop->wake_capable = 1;
+
+	return 0;
+}
+
+static int rt722_sdca_interrupt_callback(struct sdw_slave *slave,
+					struct sdw_slave_intr_status *status)
+{
+	struct rt722_sdca_priv *rt722 = dev_get_drvdata(&slave->dev);
+	int ret, stat;
+	int count = 0, retry = 3;
+	unsigned int sdca_cascade, scp_sdca_stat1, scp_sdca_stat2 = 0;
+
+	if (cancel_delayed_work_sync(&rt722->jack_detect_work)) {
+		dev_warn(&slave->dev, "%s the pending delayed_work was cancelled", __func__);
+		/* avoid the HID owner doesn't change to device */
+		if (rt722->scp_sdca_stat2)
+			scp_sdca_stat2 = rt722->scp_sdca_stat2;
+	}
+
+	/*
+	 * The critical section below intentionally protects a rather large piece of code.
+	 * We don't want to allow the system suspend to disable an interrupt while we are
+	 * processing it, which could be problematic given the quirky SoundWire interrupt
+	 * scheme. We do want however to prevent new workqueues from being scheduled if
+	 * the disable_irq flag was set during system suspend.
+	 */
+	mutex_lock(&rt722->disable_irq_lock);
+
+	ret = sdw_read_no_pm(rt722->slave, SDW_SCP_SDCA_INT1);
+	if (ret < 0)
+		goto io_error;
+	rt722->scp_sdca_stat1 = ret;
+	ret = sdw_read_no_pm(rt722->slave, SDW_SCP_SDCA_INT2);
+	if (ret < 0)
+		goto io_error;
+	rt722->scp_sdca_stat2 = ret;
+	if (scp_sdca_stat2)
+		rt722->scp_sdca_stat2 |= scp_sdca_stat2;
+	do {
+		/* clear flag */
+		ret = sdw_read_no_pm(rt722->slave, SDW_SCP_SDCA_INT1);
+		if (ret < 0)
+			goto io_error;
+		if (ret & SDW_SCP_SDCA_INTMASK_SDCA_0) {
+			ret = sdw_update_no_pm(rt722->slave, SDW_SCP_SDCA_INT1,
+				SDW_SCP_SDCA_INT_SDCA_0, SDW_SCP_SDCA_INT_SDCA_0);
+			if (ret < 0)
+				goto io_error;
+		} else if (ret & SDW_SCP_SDCA_INTMASK_SDCA_6) {
+			ret = sdw_update_no_pm(rt722->slave, SDW_SCP_SDCA_INT1,
+				SDW_SCP_SDCA_INT_SDCA_6, SDW_SCP_SDCA_INT_SDCA_6);
+			if (ret < 0)
+				goto io_error;
+		}
+		ret = sdw_read_no_pm(rt722->slave, SDW_SCP_SDCA_INT2);
+		if (ret < 0)
+			goto io_error;
+		if (ret & SDW_SCP_SDCA_INTMASK_SDCA_8) {
+			ret = sdw_write_no_pm(rt722->slave, SDW_SCP_SDCA_INT2,
+						SDW_SCP_SDCA_INTMASK_SDCA_8);
+			if (ret < 0)
+				goto io_error;
+		}
+
+		/* check if flag clear or not */
+		ret = sdw_read_no_pm(rt722->slave, SDW_DP0_INT);
+		if (ret < 0)
+			goto io_error;
+		sdca_cascade = ret & SDW_DP0_SDCA_CASCADE;
+
+		ret = sdw_read_no_pm(rt722->slave, SDW_SCP_SDCA_INT1);
+		if (ret < 0)
+			goto io_error;
+		scp_sdca_stat1 = ret & SDW_SCP_SDCA_INTMASK_SDCA_0;
+
+		ret = sdw_read_no_pm(rt722->slave, SDW_SCP_SDCA_INT2);
+		if (ret < 0)
+			goto io_error;
+		scp_sdca_stat2 = ret & SDW_SCP_SDCA_INTMASK_SDCA_8;
+
+		stat = scp_sdca_stat1 || scp_sdca_stat2 || sdca_cascade;
+
+		count++;
+	} while (stat != 0 && count < retry);
+
+	if (stat)
+		dev_warn(&slave->dev,
+			"%s scp_sdca_stat1=0x%x, scp_sdca_stat2=0x%x\n", __func__,
+			rt722->scp_sdca_stat1, rt722->scp_sdca_stat2);
+
+	if (status->sdca_cascade && !rt722->disable_irq)
+		mod_delayed_work(system_power_efficient_wq,
+			&rt722->jack_detect_work, msecs_to_jiffies(30));
+
+	mutex_unlock(&rt722->disable_irq_lock);
+
+	return 0;
+
+io_error:
+	mutex_unlock(&rt722->disable_irq_lock);
+	pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);
+	return ret;
+}
+
+static struct sdw_slave_ops rt722_sdca_slave_ops = {
+	.read_prop = rt722_sdca_read_prop,
+	.interrupt_callback = rt722_sdca_interrupt_callback,
+	.update_status = rt722_sdca_update_status,
+};
+
+static int rt722_sdca_sdw_probe(struct sdw_slave *slave,
+				const struct sdw_device_id *id)
+{
+	struct regmap *regmap, *mbq_regmap;
+
+	/* Regmap Initialization */
+	mbq_regmap = devm_regmap_init_sdw_mbq(slave, &rt722_sdca_mbq_regmap);
+	if (IS_ERR(mbq_regmap))
+		return PTR_ERR(mbq_regmap);
+
+	regmap = devm_regmap_init_sdw(slave, &rt722_sdca_regmap);
+	if (IS_ERR(regmap))
+		return PTR_ERR(regmap);
+
+	return rt722_sdca_init(&slave->dev, regmap, mbq_regmap, slave);
+}
+
+static int rt722_sdca_sdw_remove(struct sdw_slave *slave)
+{
+	struct rt722_sdca_priv *rt722 = dev_get_drvdata(&slave->dev);
+
+	if (rt722->hw_init) {
+		cancel_delayed_work_sync(&rt722->jack_detect_work);
+		cancel_delayed_work_sync(&rt722->jack_btn_check_work);
+	}
+
+	if (rt722->first_hw_init)
+		pm_runtime_disable(&slave->dev);
+
+	mutex_destroy(&rt722->calibrate_mutex);
+	mutex_destroy(&rt722->disable_irq_lock);
+
+	return 0;
+}
+
+static const struct sdw_device_id rt722_sdca_id[] = {
+	SDW_SLAVE_ENTRY_EXT(0x025d, 0x722, 0x3, 0x1, 0),
+	{},
+};
+MODULE_DEVICE_TABLE(sdw, rt722_sdca_id);
+
+static int __maybe_unused rt722_sdca_dev_suspend(struct device *dev)
+{
+	struct rt722_sdca_priv *rt722 = dev_get_drvdata(dev);
+
+	if (!rt722->hw_init)
+		return 0;
+
+	cancel_delayed_work_sync(&rt722->jack_detect_work);
+	cancel_delayed_work_sync(&rt722->jack_btn_check_work);
+
+	regcache_cache_only(rt722->regmap, true);
+	regcache_cache_only(rt722->mbq_regmap, true);
+
+	return 0;
+}
+
+static int __maybe_unused rt722_sdca_dev_system_suspend(struct device *dev)
+{
+	struct rt722_sdca_priv *rt722_sdca = dev_get_drvdata(dev);
+	struct sdw_slave *slave = dev_to_sdw_dev(dev);
+	int ret1, ret2;
+
+	if (!rt722_sdca->hw_init)
+		return 0;
+
+	/*
+	 * prevent new interrupts from being handled after the
+	 * deferred work completes and before the parent disables
+	 * interrupts on the link
+	 */
+	mutex_lock(&rt722_sdca->disable_irq_lock);
+	rt722_sdca->disable_irq = true;
+	ret1 = sdw_update_no_pm(slave, SDW_SCP_SDCA_INTMASK1,
+				SDW_SCP_SDCA_INTMASK_SDCA_0 | SDW_SCP_SDCA_INTMASK_SDCA_6, 0);
+	ret2 = sdw_update_no_pm(slave, SDW_SCP_SDCA_INTMASK2,
+				SDW_SCP_SDCA_INTMASK_SDCA_8, 0);
+	mutex_unlock(&rt722_sdca->disable_irq_lock);
+
+	if (ret1 < 0 || ret2 < 0) {
+		/* log but don't prevent suspend from happening */
+		dev_dbg(&slave->dev, "%s: could not disable SDCA interrupts\n:", __func__);
+	}
+
+	return rt722_sdca_dev_suspend(dev);
+}
+
+#define RT722_PROBE_TIMEOUT 5000
+
+static int __maybe_unused rt722_sdca_dev_resume(struct device *dev)
+{
+	struct sdw_slave *slave = dev_to_sdw_dev(dev);
+	struct rt722_sdca_priv *rt722 = dev_get_drvdata(dev);
+	unsigned long time;
+
+	if (!rt722->first_hw_init)
+		return 0;
+
+	if (!slave->unattach_request)
+		goto regmap_sync;
+
+	time = wait_for_completion_timeout(&slave->initialization_complete,
+				msecs_to_jiffies(RT722_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(rt722->regmap, false);
+	regcache_sync(rt722->regmap);
+	regcache_cache_only(rt722->mbq_regmap, false);
+	regcache_sync(rt722->mbq_regmap);
+	return 0;
+}
+
+static const struct dev_pm_ops rt722_sdca_pm = {
+	SET_SYSTEM_SLEEP_PM_OPS(rt722_sdca_dev_system_suspend, rt722_sdca_dev_resume)
+	SET_RUNTIME_PM_OPS(rt722_sdca_dev_suspend, rt722_sdca_dev_resume, NULL)
+};
+
+static struct sdw_driver rt722_sdca_sdw_driver = {
+	.driver = {
+		.name = "rt722-sdca",
+		.owner = THIS_MODULE,
+		.pm = &rt722_sdca_pm,
+	},
+	.probe = rt722_sdca_sdw_probe,
+	.remove = rt722_sdca_sdw_remove,
+	.ops = &rt722_sdca_slave_ops,
+	.id_table = rt722_sdca_id,
+};
+module_sdw_driver(rt722_sdca_sdw_driver);
+
+MODULE_DESCRIPTION("ASoC RT722 SDCA SDW driver");
+MODULE_AUTHOR("Jack Yu <jack.yu@realtek.com>");
+MODULE_LICENSE("GPL");