ASoC: amd: acp: Add generic machine driver support for ACP cards

We have machines with different audio endpoints configurations
across various distributions. We need to support multiple sound
cards for different combinations of I2S instance and codecs hw.
Now we also need to support SOF-DSP endpoints based sound cards.
All such card combinations slightly differs in terms of machine
ops callback. This patch adds ACP generic machine driver module
that exposes method to create ACP cards dai links and define new
ops for audio endpoints configurations. Initially we have added
dailink support for RT5682 and RT1019 codec connection with ACP
I2S_SP instance. We will add newer codecs in this module to use
this for all AMD's ACP block sound cards supports in future.
Signed-off-by: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
Link: https://lore.kernel.org/r/20211019070938.5076-5-AjitKumar.Pandey@amd.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/amd/acp/Kconfig

@@ -25,3 +25,13 @@ config SND_AMD_ASOC_RENOIR
 	depends on X86 && PCI
 	help
 	  This option enables Renoir I2S support on AMD platform.
+
+config SND_SOC_AMD_MACH_COMMON
+	tristate
+	select CLK_FIXED_FCH
+	select SND_SOC_RT5682_I2C
+	select SND_SOC_DMIC
+	select SND_SOC_RT1019
+	depends on X86 && PCI && I2C
+	help
+	  This option enables common Machine driver module for ACP.

sound/soc/amd/acp/Makefile

@@ -11,7 +11,12 @@ snd-acp-i2s-objs     := acp-i2s.o
 #platform specific driver
 snd-acp-renoir-objs     := acp-renoir.o
 
+#machine specific driver
+snd-acp-mach-objs     := acp-mach-common.o
+
 obj-$(CONFIG_SND_SOC_AMD_ACP_PCM) += snd-acp-pcm.o
 obj-$(CONFIG_SND_SOC_AMD_ACP_I2S) += snd-acp-i2s.o
 
 obj-$(CONFIG_SND_AMD_ASOC_RENOIR) += snd-acp-renoir.o
+
+obj-$(CONFIG_SND_SOC_AMD_MACH_COMMON) += snd-acp-mach.o

sound/soc/amd/acp/acp-mach.h

+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
+/*
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * Copyright(c) 2021 Advanced Micro Devices, Inc. All rights reserved.
+ *
+ * Author: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
+ */
+#ifndef __ACP_MACH_H
+#define __ACP_MACH_H
+
+#include <sound/core.h>
+#include <sound/jack.h>
+#include <sound/pcm_params.h>
+#include <sound/soc-dapm.h>
+#include <linux/input.h>
+#include <linux/module.h>
+#include <sound/soc.h>
+
+enum be_id {
+	HEADSET_BE_ID = 0,
+	AMP_BE_ID,
+	DMIC_BE_ID,
+};
+
+enum cpu_endpoints {
+	NONE = 0,
+	I2S_SP,
+	I2S_BT,
+	DMIC,
+};
+
+enum codec_endpoints {
+	DUMMY = 0,
+	RT5682,
+	RT1019,
+};
+
+struct acp_card_drvdata {
+	unsigned int hs_cpu_id;
+	unsigned int amp_cpu_id;
+	unsigned int dmic_cpu_id;
+	unsigned int hs_codec_id;
+	unsigned int amp_codec_id;
+	unsigned int dmic_codec_id;
+	unsigned int dai_fmt;
+	struct clk *wclk;
+	struct clk *bclk;
+};
+
+int acp_sofdsp_dai_links_create(struct snd_soc_card *card);
+int acp_legacy_dai_links_create(struct snd_soc_card *card);
+
+#endif