ASoC: amd/sdw_utils: add sof based soundwire generic machine driver

Add sof based Soundwire generic driver for amd platforms.
Currently support added for ACP6.3 based platforms.

Link: https://github.com/thesofproject/linux/pull/5068Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://patch.msgid.link/20240801111821.18076-11-Vijendar.Mukunda@amd.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/amd/acp/Kconfig

@@ -119,6 +119,24 @@ config SND_SOC_AMD_SOF_MACH
 	help
 	  This option enables SOF sound card support for ACP audio.
 
+config SND_SOC_AMD_SOF_SDW_MACH
+	tristate "AMD SOF Soundwire Machine Driver Support"
+	depends on X86 && PCI && ACPI
+	depends on SOUNDWIRE
+	select SND_SOC_SDW_UTILS
+	select SND_SOC_DMIC
+	select SND_SOC_RT711_SDW
+	select SND_SOC_RT711_SDCA_SDW
+	select SND_SOC_RT1316_SDW
+	select SND_SOC_RT715_SDW
+	select SND_SOC_RT715_SDCA_SDW
+	help
+	  This option enables SOF sound card support for SoundWire enabled
+	  AMD platforms along with ACP PDM controller.
+	  Say Y if you want to enable SoundWire based machine driver support
+	  on AMD platform.
+	  If unsure select "N".
+
 endif # SND_SOC_AMD_ACP_COMMON
 
 config SND_AMD_SOUNDWIRE_ACPI

sound/soc/amd/acp/Makefile

@@ -23,6 +23,7 @@ snd-acp-mach-y     := acp-mach-common.o
 snd-acp-legacy-mach-y     := acp-legacy-mach.o acp3x-es83xx/acp3x-es83xx.o
 snd-acp-sof-mach-y     := acp-sof-mach.o
 snd-soc-acpi-amd-match-y := amd-acp63-acpi-match.o
+snd-acp-sdw-sof-mach-y += acp-sdw-sof-mach.o
 
 obj-$(CONFIG_SND_SOC_AMD_ACP_PCM) += snd-acp-pcm.o
 obj-$(CONFIG_SND_SOC_AMD_ACP_I2S) += snd-acp-i2s.o
@@ -40,3 +41,4 @@ obj-$(CONFIG_SND_SOC_AMD_MACH_COMMON) += snd-acp-mach.o
 obj-$(CONFIG_SND_SOC_AMD_LEGACY_MACH) += snd-acp-legacy-mach.o
 obj-$(CONFIG_SND_SOC_AMD_SOF_MACH) += snd-acp-sof-mach.o
 obj-$(CONFIG_SND_SOC_ACPI_AMD_MATCH) += snd-soc-acpi-amd-match.o
+obj-$(CONFIG_SND_SOC_AMD_SOF_SDW_MACH) += snd-acp-sdw-sof-mach.o

sound/soc/amd/acp/soc_amd_sdw_common.h

+/* SPDX-License-Identifier: GPL-2.0-only
+ *  Copyright (c) 2024 Advanced Micro Devices, Inc. All rights reserved
+ */
+
+/*
+ *  soc_amd_sdw_common.h - prototypes for common helpers
+ */
+
+#ifndef SOC_AMD_SDW_COMMON_H
+#define SOC_AMD_SDW_COMMON_H
+
+#include <linux/bits.h>
+#include <linux/types.h>
+#include <sound/soc.h>
+#include <sound/soc_sdw_utils.h>
+
+#define ACP63_SDW_MAX_CPU_DAIS		8
+#define ACP63_SDW_MAX_LINKS		2
+
+#define AMD_SDW_MAX_GROUPS		9
+#define ACP63_PCI_REV			0x63
+#define SOC_JACK_JDSRC(quirk)		((quirk) & GENMASK(3, 0))
+#define ASOC_SDW_FOUR_SPK		BIT(4)
+#define ASOC_SDW_ACP_DMIC		BIT(5)
+
+#define AMD_SDW0	0
+#define AMD_SDW1	1
+#define ACP63_SW0_AUDIO0_TX	0
+#define ACP63_SW0_AUDIO1_TX	1
+#define ACP63_SW0_AUDIO2_TX	2
+
+#define ACP63_SW0_AUDIO0_RX	3
+#define ACP63_SW0_AUDIO1_RX	4
+#define ACP63_SW0_AUDIO2_RX	5
+
+#define ACP63_SW1_AUDIO0_TX	0
+#define ACP63_SW1_AUDIO0_RX	1
+
+struct amd_mc_ctx {
+	unsigned int acp_rev;
+	unsigned int max_sdw_links;
+};
+
+#endif