asoc: Add msm_common.c for I2S, TDM and AUXPCM interfaces

Change-Id: I675ec1f266a68c87882094d64055481305c6bdfb
Signed-off-by: Rohit kumar <rohitkr@codeaurora.org>

asoc/msm_common.h

@@ -0,0 +1,53 @@
+/* Copyright (c) 2020, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+#ifndef _MSM_COMMON_H_
+#define _MSM_COMMON_H_
+
+#include <sound/soc.h>
+#include <sound/pcm.h>
+
+enum {
+	MI2S = 0,
+	TDM,
+	AUXPCM,
+};
+
+enum {
+	PRI_MI2S_TDM_AUXPCM = 0,
+	SEC_MI2S_TDM_AUXPCM,
+	TER_MI2S_TDM_AUXPCM,
+	QUAT_MI2S_TDM_AUXPCM,
+	QUIN_MI2S_TDM_AUXPCM,
+	SEN_MI2S_TDM_AUXPCM,
+	MI2S_TDM_AUXPCM_MAX,
+};
+
+struct msm_common_pdata {
+	struct device_node *mi2s_gpio_p[MI2S_TDM_AUXPCM_MAX];
+	struct mutex lock[MI2S_TDM_AUXPCM_MAX];
+	atomic_t mi2s_gpio_ref_cnt[MI2S_TDM_AUXPCM_MAX];
+};
+
+struct msm_common_pdata *msm_common_get_pdata(struct snd_soc_card *card);
+
+void msm_common_set_pdata(struct snd_soc_card *card,
+			  struct msm_common_pdata *pdata);
+
+int msm_common_snd_startup(struct snd_pcm_substream *substream);
+
+void msm_common_snd_shutdown(struct snd_pcm_substream *substream);
+
+int msm_common_snd_init(struct platform_device *pdev,
+			struct snd_soc_card *card);
+
+void msm_common_snd_deinit(struct msm_common_pdata *pdata);
+#endif