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, 167 insertions, 0 deletions

diff --git a/sound/soc/intel/boards/sof_sdw_maxim.c b/sound/soc/intel/boards/sof_sdw_maxim.c
new file mode 100644
index 000000000000..414c4d8dac77
--- /dev/null
+++ b/sound/soc/intel/boards/sof_sdw_maxim.c
@@ -0,0 +1,167 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// Copyright (c) 2020 Intel Corporation
+//
+// sof_sdw_maxim - Helpers to handle maxim codecs
+// codec devices from generic machine driver
+
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <sound/control.h>
+#include <sound/soc.h>
+#include <sound/soc-acpi.h>
+#include <sound/soc-dapm.h>
+#include "sof_sdw_common.h"
+#include "sof_maxim_common.h"
+
+static int maxim_part_id;
+#define SOF_SDW_PART_ID_MAX98363 0x8363
+#define SOF_SDW_PART_ID_MAX98373 0x8373
+
+static const struct snd_soc_dapm_widget maxim_widgets[] = {
+	SND_SOC_DAPM_SPK("Left Spk", NULL),
+	SND_SOC_DAPM_SPK("Right Spk", NULL),
+};
+
+static const struct snd_kcontrol_new maxim_controls[] = {
+	SOC_DAPM_PIN_SWITCH("Left Spk"),
+	SOC_DAPM_PIN_SWITCH("Right Spk"),
+};
+
+static int spk_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_card *card = rtd->card;
+	int ret;
+
+	card->components = devm_kasprintf(card->dev, GFP_KERNEL,
+					  "%s spk:mx%04x",
+					  card->components, maxim_part_id);
+	if (!card->components)
+		return -ENOMEM;
+
+	dev_dbg(card->dev, "soundwire maxim card components assigned : %s\n",
+		card->components);
+
+	ret = snd_soc_add_card_controls(card, maxim_controls,
+					ARRAY_SIZE(maxim_controls));
+	if (ret) {
+		dev_err(card->dev, "mx%04x ctrls addition failed: %d\n", maxim_part_id, ret);
+		return ret;
+	}
+
+	ret = snd_soc_dapm_new_controls(&card->dapm, maxim_widgets,
+					ARRAY_SIZE(maxim_widgets));
+	if (ret) {
+		dev_err(card->dev, "mx%04x widgets addition failed: %d\n", maxim_part_id, ret);
+		return ret;
+	}
+
+	ret = snd_soc_dapm_add_routes(&card->dapm, max_98373_dapm_routes, 2);
+	if (ret)
+		dev_err(rtd->dev, "failed to add first SPK map: %d\n", ret);
+
+	return ret;
+}
+
+static int mx8373_enable_spk_pin(struct snd_pcm_substream *substream, bool enable)
+{
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_soc_dai *codec_dai;
+	struct snd_soc_dai *cpu_dai;
+	int ret;
+	int j;
+
+	/* set spk pin by playback only */
+	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+		return 0;
+
+	cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+	for_each_rtd_codec_dais(rtd, j, codec_dai) {
+		struct snd_soc_dapm_context *dapm =
+				snd_soc_component_get_dapm(cpu_dai->component);
+		char pin_name[16];
+
+		snprintf(pin_name, ARRAY_SIZE(pin_name), "%s Spk",
+			 codec_dai->component->name_prefix);
+
+		if (enable)
+			ret = snd_soc_dapm_enable_pin(dapm, pin_name);
+		else
+			ret = snd_soc_dapm_disable_pin(dapm, pin_name);
+
+		if (!ret)
+			snd_soc_dapm_sync(dapm);
+	}
+
+	return 0;
+}
+
+static int mx8373_sdw_prepare(struct snd_pcm_substream *substream)
+{
+	int ret;
+
+	/* according to soc_pcm_prepare dai link prepare is called first */
+	ret = sdw_prepare(substream);
+	if (ret < 0)
+		return ret;
+
+	return mx8373_enable_spk_pin(substream, true);
+}
+
+static int mx8373_sdw_hw_free(struct snd_pcm_substream *substream)
+{
+	int ret;
+
+	/* according to soc_pcm_hw_free dai link free is called first */
+	ret = sdw_hw_free(substream);
+	if (ret < 0)
+		return ret;
+
+	return mx8373_enable_spk_pin(substream, false);
+}
+
+static const struct snd_soc_ops max_98373_sdw_ops = {
+	.startup = sdw_startup,
+	.prepare = mx8373_sdw_prepare,
+	.trigger = sdw_trigger,
+	.hw_params = sdw_hw_params,
+	.hw_free = mx8373_sdw_hw_free,
+	.shutdown = sdw_shutdown,
+};
+
+static int mx8373_sdw_late_probe(struct snd_soc_card *card)
+{
+	struct snd_soc_dapm_context *dapm = &card->dapm;
+
+	/* Disable Left and Right Spk pin after boot */
+	snd_soc_dapm_disable_pin(dapm, "Left Spk");
+	snd_soc_dapm_disable_pin(dapm, "Right Spk");
+	return snd_soc_dapm_sync(dapm);
+}
+
+int sof_sdw_maxim_init(struct snd_soc_card *card,
+		       const struct snd_soc_acpi_link_adr *link,
+		       struct snd_soc_dai_link *dai_links,
+		       struct sof_sdw_codec_info *info,
+		       bool playback)
+{
+	info->amp_num++;
+	if (info->amp_num == 2)
+		dai_links->init = spk_init;
+
+	maxim_part_id = info->part_id;
+	switch (maxim_part_id) {
+	case SOF_SDW_PART_ID_MAX98363:
+		/* Default ops are set in function init_dai_link.
+		 * called as part of function create_sdw_dailink
+		 */
+		break;
+	case SOF_SDW_PART_ID_MAX98373:
+		info->codec_card_late_probe = mx8373_sdw_late_probe;
+		dai_links->ops = &max_98373_sdw_ops;
+		break;
+	default:
+		dev_err(card->dev, "Invalid maxim_part_id %#x\n", maxim_part_id);
+		return -EINVAL;
+	}
+	return 0;
+}