Merge tag 'asoc-v5.18' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Updates for v5.18

Quite a quiet release for ASoC, lots of work on drivers and platforms
but nothing too groundbreaking but not much on the core itself:

 - Start of moving SoF to support multiple IPC mechanisms.
 - Use of NHLT ACPI table to reduce the amount of quirking required for
   Intel systems.
 - Some building blocks for use in forthcoming Intel AVS driver for
   legacy Intel DSP firmwares.
 - Support for AMD PDM, Atmel PDMC, Awinic AW8738, i.MX cards with
   TLV320AIC31xx, Intel machines with CS35L41 and ESSX8336, Mediatek
   MT8181 wideband bluetooth, nVidia Tegra234, Qualcomm SC7280, Renesas
   RZ/V2L, Texas Instruments TAS585M

1 files changed, 163 insertions, 0 deletions

diff --git a/sound/soc/intel/boards/sof_cirrus_common.c b/sound/soc/intel/boards/sof_cirrus_common.c
new file mode 100644
index 000000000000..e71d74ec1b0b
--- /dev/null
+++ b/sound/soc/intel/boards/sof_cirrus_common.c
@@ -0,0 +1,163 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * This file defines data structures and functions used in Machine
+ * Driver for Intel platforms with Cirrus Logic Codecs.
+ *
+ * Copyright 2022 Intel Corporation.
+ */
+#include <linux/module.h>
+#include <sound/sof.h>
+#include "../../codecs/cs35l41.h"
+#include "sof_cirrus_common.h"
+
+/*
+ * Cirrus Logic CS35L41/CS35L53
+ */
+static const struct snd_kcontrol_new cs35l41_kcontrols[] = {
+	SOC_DAPM_PIN_SWITCH("WL Spk"),
+	SOC_DAPM_PIN_SWITCH("WR Spk"),
+	SOC_DAPM_PIN_SWITCH("TL Spk"),
+	SOC_DAPM_PIN_SWITCH("TR Spk"),
+};
+
+static const struct snd_soc_dapm_widget cs35l41_dapm_widgets[] = {
+	SND_SOC_DAPM_SPK("WL Spk", NULL),
+	SND_SOC_DAPM_SPK("WR Spk", NULL),
+	SND_SOC_DAPM_SPK("TL Spk", NULL),
+	SND_SOC_DAPM_SPK("TR Spk", NULL),
+};
+
+static const struct snd_soc_dapm_route cs35l41_dapm_routes[] = {
+	/* speaker */
+	{"WL Spk", NULL, "WL SPK"},
+	{"WR Spk", NULL, "WR SPK"},
+	{"TL Spk", NULL, "TL SPK"},
+	{"TR Spk", NULL, "TR SPK"},
+};
+
+static struct snd_soc_dai_link_component cs35l41_components[] = {
+	{
+		.name = CS35L41_DEV0_NAME,
+		.dai_name = CS35L41_CODEC_DAI,
+	},
+	{
+		.name = CS35L41_DEV1_NAME,
+		.dai_name = CS35L41_CODEC_DAI,
+	},
+	{
+		.name = CS35L41_DEV2_NAME,
+		.dai_name = CS35L41_CODEC_DAI,
+	},
+	{
+		.name = CS35L41_DEV3_NAME,
+		.dai_name = CS35L41_CODEC_DAI,
+	},
+};
+
+static struct snd_soc_codec_conf cs35l41_codec_conf[] = {
+	{
+		.dlc = COMP_CODEC_CONF(CS35L41_DEV0_NAME),
+		.name_prefix = "WL",
+	},
+	{
+		.dlc = COMP_CODEC_CONF(CS35L41_DEV1_NAME),
+		.name_prefix = "WR",
+	},
+	{
+		.dlc = COMP_CODEC_CONF(CS35L41_DEV2_NAME),
+		.name_prefix = "TL",
+	},
+	{
+		.dlc = COMP_CODEC_CONF(CS35L41_DEV3_NAME),
+		.name_prefix = "TR",
+	},
+};
+
+static int cs35l41_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_card *card = rtd->card;
+	int ret;
+
+	ret = snd_soc_dapm_new_controls(&card->dapm, cs35l41_dapm_widgets,
+					ARRAY_SIZE(cs35l41_dapm_widgets));
+	if (ret) {
+		dev_err(rtd->dev, "fail to add dapm controls, ret %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_add_card_controls(card, cs35l41_kcontrols,
+					ARRAY_SIZE(cs35l41_kcontrols));
+	if (ret) {
+		dev_err(rtd->dev, "fail to add card controls, ret %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dapm_add_routes(&card->dapm, cs35l41_dapm_routes,
+				      ARRAY_SIZE(cs35l41_dapm_routes));
+
+	if (ret)
+		dev_err(rtd->dev, "fail to add dapm routes, ret %d\n", ret);
+
+	return ret;
+}
+
+static int cs35l41_hw_params(struct snd_pcm_substream *substream,
+			     struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_soc_dai *codec_dai;
+	int clk_freq, i, ret;
+
+	clk_freq = sof_dai_get_bclk(rtd); /* BCLK freq */
+
+	if (clk_freq <= 0) {
+		dev_err(rtd->dev, "fail to get bclk freq, ret %d\n", clk_freq);
+		return -EINVAL;
+	}
+
+	for_each_rtd_codec_dais(rtd, i, codec_dai) {
+		/* call dai driver's set_sysclk() callback */
+		ret = snd_soc_dai_set_sysclk(codec_dai, CS35L41_CLKID_SCLK,
+					     clk_freq, SND_SOC_CLOCK_IN);
+		if (ret < 0) {
+			dev_err(codec_dai->dev, "fail to set sysclk, ret %d\n",
+				ret);
+			return ret;
+		}
+
+		/* call component driver's set_sysclk() callback */
+		ret = snd_soc_component_set_sysclk(codec_dai->component,
+						   CS35L41_CLKID_SCLK, 0,
+						   clk_freq, SND_SOC_CLOCK_IN);
+		if (ret < 0) {
+			dev_err(codec_dai->dev, "fail to set component sysclk, ret %d\n",
+				ret);
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+static const struct snd_soc_ops cs35l41_ops = {
+	.hw_params = cs35l41_hw_params,
+};
+
+void cs35l41_set_dai_link(struct snd_soc_dai_link *link)
+{
+	link->codecs = cs35l41_components;
+	link->num_codecs = ARRAY_SIZE(cs35l41_components);
+	link->init = cs35l41_init;
+	link->ops = &cs35l41_ops;
+}
+EXPORT_SYMBOL_NS(cs35l41_set_dai_link, SND_SOC_INTEL_SOF_CIRRUS_COMMON);
+
+void cs35l41_set_codec_conf(struct snd_soc_card *card)
+{
+	card->codec_conf = cs35l41_codec_conf;
+	card->num_configs = ARRAY_SIZE(cs35l41_codec_conf);
+}
+EXPORT_SYMBOL_NS(cs35l41_set_codec_conf, SND_SOC_INTEL_SOF_CIRRUS_COMMON);
+
+MODULE_DESCRIPTION("ASoC Intel SOF Cirrus Logic helpers");
+MODULE_LICENSE("GPL");