audio-lnx: Initial change for techpack of audio drivers.

Add snapshot for audio drivers for SDM targets. The code is
migrated from msm-4.9 kernel at the below cutoff -

(74ff856e8d6: "net: ipc_router: Add dynamic enable/disable
wakeup source feature")

This changes are done for new techpack addition
for audio kernel. Migrate all audio kernel drivers
to this techpack.

Change-Id: I33d580af3ba86a5cb777583efc5d4cdaf2882d93
Signed-off-by: Asish Bhattacharya <asishb@codeaurora.org>
diff --git a/sound/soc/msm/qdsp6v2/msm-pcm-routing-v2.h b/sound/soc/msm/qdsp6v2/msm-pcm-routing-v2.h
new file mode 100644
index 0000000..19e7260
--- /dev/null
+++ b/sound/soc/msm/qdsp6v2/msm-pcm-routing-v2.h
@@ -0,0 +1,486 @@
+/* Copyright (c) 2012-2017, 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_PCM_ROUTING_H
+#define _MSM_PCM_ROUTING_H
+#include <sound/apr_audio-v2.h>
+
+/*
+ * These names are used by HAL to specify the BE. If any changes are
+ * made to the string names or the max name length corresponding
+ * changes need to be made in the HAL to ensure they still match.
+ */
+#define LPASS_BE_NAME_MAX_LENGTH 24
+#define LPASS_BE_PRI_I2S_RX "PRIMARY_I2S_RX"
+#define LPASS_BE_PRI_I2S_TX "PRIMARY_I2S_TX"
+#define LPASS_BE_SLIMBUS_0_RX "SLIMBUS_0_RX"
+#define LPASS_BE_SLIMBUS_0_TX "SLIMBUS_0_TX"
+#define LPASS_BE_HDMI "HDMI"
+#define LPASS_BE_DISPLAY_PORT "DISPLAY_PORT"
+#define LPASS_BE_INT_BT_SCO_RX "INT_BT_SCO_RX"
+#define LPASS_BE_INT_BT_SCO_TX "INT_BT_SCO_TX"
+#define LPASS_BE_INT_BT_A2DP_RX "INT_BT_A2DP_RX"
+#define LPASS_BE_INT_FM_RX "INT_FM_RX"
+#define LPASS_BE_INT_FM_TX "INT_FM_TX"
+#define LPASS_BE_AFE_PCM_RX "RT_PROXY_DAI_001_RX"
+#define LPASS_BE_AFE_PCM_TX "RT_PROXY_DAI_002_TX"
+#define LPASS_BE_AUXPCM_RX "AUX_PCM_RX"
+#define LPASS_BE_AUXPCM_TX "AUX_PCM_TX"
+#define LPASS_BE_SEC_AUXPCM_RX "SEC_AUX_PCM_RX"
+#define LPASS_BE_SEC_AUXPCM_TX "SEC_AUX_PCM_TX"
+#define LPASS_BE_TERT_AUXPCM_RX "TERT_AUX_PCM_RX"
+#define LPASS_BE_TERT_AUXPCM_TX "TERT_AUX_PCM_TX"
+#define LPASS_BE_QUAT_AUXPCM_RX "QUAT_AUX_PCM_RX"
+#define LPASS_BE_QUAT_AUXPCM_TX "QUAT_AUX_PCM_TX"
+#define LPASS_BE_VOICE_PLAYBACK_TX "VOICE_PLAYBACK_TX"
+#define LPASS_BE_VOICE2_PLAYBACK_TX "VOICE2_PLAYBACK_TX"
+#define LPASS_BE_INCALL_RECORD_RX "INCALL_RECORD_RX"
+#define LPASS_BE_INCALL_RECORD_TX "INCALL_RECORD_TX"
+#define LPASS_BE_SEC_I2S_RX "SECONDARY_I2S_RX"
+#define LPASS_BE_SPDIF_RX "SPDIF_RX"
+
+#define LPASS_BE_MI2S_RX "MI2S_RX"
+#define LPASS_BE_MI2S_TX "MI2S_TX"
+#define LPASS_BE_QUAT_MI2S_RX "QUAT_MI2S_RX"
+#define LPASS_BE_QUAT_MI2S_TX "QUAT_MI2S_TX"
+#define LPASS_BE_SEC_MI2S_RX "SEC_MI2S_RX"
+#define LPASS_BE_SEC_MI2S_RX_SD1 "SEC_MI2S_RX_SD1"
+#define LPASS_BE_SEC_MI2S_TX "SEC_MI2S_TX"
+#define LPASS_BE_PRI_MI2S_RX "PRI_MI2S_RX"
+#define LPASS_BE_PRI_MI2S_TX "PRI_MI2S_TX"
+#define LPASS_BE_TERT_MI2S_RX "TERTIARY_MI2S_RX"
+#define LPASS_BE_TERT_MI2S_TX "TERTIARY_MI2S_TX"
+#define LPASS_BE_AUDIO_I2S_RX "AUDIO_I2S_RX"
+#define LPASS_BE_STUB_RX "STUB_RX"
+#define LPASS_BE_STUB_TX "STUB_TX"
+#define LPASS_BE_SLIMBUS_1_RX "SLIMBUS_1_RX"
+#define LPASS_BE_SLIMBUS_1_TX "SLIMBUS_1_TX"
+#define LPASS_BE_STUB_1_TX "STUB_1_TX"
+#define LPASS_BE_SLIMBUS_2_RX "SLIMBUS_2_RX"
+#define LPASS_BE_SLIMBUS_2_TX "SLIMBUS_2_TX"
+#define LPASS_BE_SLIMBUS_3_RX "SLIMBUS_3_RX"
+#define LPASS_BE_SLIMBUS_3_TX "SLIMBUS_3_TX"
+#define LPASS_BE_SLIMBUS_4_RX "SLIMBUS_4_RX"
+#define LPASS_BE_SLIMBUS_4_TX "SLIMBUS_4_TX"
+#define LPASS_BE_SLIMBUS_TX_VI "SLIMBUS_TX_VI"
+#define LPASS_BE_SLIMBUS_5_RX "SLIMBUS_5_RX"
+#define LPASS_BE_SLIMBUS_5_TX "SLIMBUS_5_TX"
+#define LPASS_BE_SLIMBUS_6_RX "SLIMBUS_6_RX"
+#define LPASS_BE_SLIMBUS_6_TX "SLIMBUS_6_TX"
+#define LPASS_BE_QUIN_MI2S_RX "QUIN_MI2S_RX"
+#define LPASS_BE_QUIN_MI2S_TX "QUIN_MI2S_TX"
+#define LPASS_BE_SENARY_MI2S_TX "SENARY_MI2S_TX"
+
+#define LPASS_BE_PRI_TDM_RX_0 "PRI_TDM_RX_0"
+#define LPASS_BE_PRI_TDM_TX_0 "PRI_TDM_TX_0"
+#define LPASS_BE_PRI_TDM_RX_1 "PRI_TDM_RX_1"
+#define LPASS_BE_PRI_TDM_TX_1 "PRI_TDM_TX_1"
+#define LPASS_BE_PRI_TDM_RX_2 "PRI_TDM_RX_2"
+#define LPASS_BE_PRI_TDM_TX_2 "PRI_TDM_TX_2"
+#define LPASS_BE_PRI_TDM_RX_3 "PRI_TDM_RX_3"
+#define LPASS_BE_PRI_TDM_TX_3 "PRI_TDM_TX_3"
+#define LPASS_BE_PRI_TDM_RX_4 "PRI_TDM_RX_4"
+#define LPASS_BE_PRI_TDM_TX_4 "PRI_TDM_TX_4"
+#define LPASS_BE_PRI_TDM_RX_5 "PRI_TDM_RX_5"
+#define LPASS_BE_PRI_TDM_TX_5 "PRI_TDM_TX_5"
+#define LPASS_BE_PRI_TDM_RX_6 "PRI_TDM_RX_6"
+#define LPASS_BE_PRI_TDM_TX_6 "PRI_TDM_TX_6"
+#define LPASS_BE_PRI_TDM_RX_7 "PRI_TDM_RX_7"
+#define LPASS_BE_PRI_TDM_TX_7 "PRI_TDM_TX_7"
+#define LPASS_BE_SEC_TDM_RX_0 "SEC_TDM_RX_0"
+#define LPASS_BE_SEC_TDM_TX_0 "SEC_TDM_TX_0"
+#define LPASS_BE_SEC_TDM_RX_1 "SEC_TDM_RX_1"
+#define LPASS_BE_SEC_TDM_TX_1 "SEC_TDM_TX_1"
+#define LPASS_BE_SEC_TDM_RX_2 "SEC_TDM_RX_2"
+#define LPASS_BE_SEC_TDM_TX_2 "SEC_TDM_TX_2"
+#define LPASS_BE_SEC_TDM_RX_3 "SEC_TDM_RX_3"
+#define LPASS_BE_SEC_TDM_TX_3 "SEC_TDM_TX_3"
+#define LPASS_BE_SEC_TDM_RX_4 "SEC_TDM_RX_4"
+#define LPASS_BE_SEC_TDM_TX_4 "SEC_TDM_TX_4"
+#define LPASS_BE_SEC_TDM_RX_5 "SEC_TDM_RX_5"
+#define LPASS_BE_SEC_TDM_TX_5 "SEC_TDM_TX_5"
+#define LPASS_BE_SEC_TDM_RX_6 "SEC_TDM_RX_6"
+#define LPASS_BE_SEC_TDM_TX_6 "SEC_TDM_TX_6"
+#define LPASS_BE_SEC_TDM_RX_7 "SEC_TDM_RX_7"
+#define LPASS_BE_SEC_TDM_TX_7 "SEC_TDM_TX_7"
+#define LPASS_BE_TERT_TDM_RX_0 "TERT_TDM_RX_0"
+#define LPASS_BE_TERT_TDM_TX_0 "TERT_TDM_TX_0"
+#define LPASS_BE_TERT_TDM_RX_1 "TERT_TDM_RX_1"
+#define LPASS_BE_TERT_TDM_TX_1 "TERT_TDM_TX_1"
+#define LPASS_BE_TERT_TDM_RX_2 "TERT_TDM_RX_2"
+#define LPASS_BE_TERT_TDM_TX_2 "TERT_TDM_TX_2"
+#define LPASS_BE_TERT_TDM_RX_3 "TERT_TDM_RX_3"
+#define LPASS_BE_TERT_TDM_TX_3 "TERT_TDM_TX_3"
+#define LPASS_BE_TERT_TDM_RX_4 "TERT_TDM_RX_4"
+#define LPASS_BE_TERT_TDM_TX_4 "TERT_TDM_TX_4"
+#define LPASS_BE_TERT_TDM_RX_5 "TERT_TDM_RX_5"
+#define LPASS_BE_TERT_TDM_TX_5 "TERT_TDM_TX_5"
+#define LPASS_BE_TERT_TDM_RX_6 "TERT_TDM_RX_6"
+#define LPASS_BE_TERT_TDM_TX_6 "TERT_TDM_TX_6"
+#define LPASS_BE_TERT_TDM_RX_7 "TERT_TDM_RX_7"
+#define LPASS_BE_TERT_TDM_TX_7 "TERT_TDM_TX_7"
+#define LPASS_BE_QUAT_TDM_RX_0 "QUAT_TDM_RX_0"
+#define LPASS_BE_QUAT_TDM_TX_0 "QUAT_TDM_TX_0"
+#define LPASS_BE_QUAT_TDM_RX_1 "QUAT_TDM_RX_1"
+#define LPASS_BE_QUAT_TDM_TX_1 "QUAT_TDM_TX_1"
+#define LPASS_BE_QUAT_TDM_RX_2 "QUAT_TDM_RX_2"
+#define LPASS_BE_QUAT_TDM_TX_2 "QUAT_TDM_TX_2"
+#define LPASS_BE_QUAT_TDM_RX_3 "QUAT_TDM_RX_3"
+#define LPASS_BE_QUAT_TDM_TX_3 "QUAT_TDM_TX_3"
+#define LPASS_BE_QUAT_TDM_RX_4 "QUAT_TDM_RX_4"
+#define LPASS_BE_QUAT_TDM_TX_4 "QUAT_TDM_TX_4"
+#define LPASS_BE_QUAT_TDM_RX_5 "QUAT_TDM_RX_5"
+#define LPASS_BE_QUAT_TDM_TX_5 "QUAT_TDM_TX_5"
+#define LPASS_BE_QUAT_TDM_RX_6 "QUAT_TDM_RX_6"
+#define LPASS_BE_QUAT_TDM_TX_6 "QUAT_TDM_TX_6"
+#define LPASS_BE_QUAT_TDM_RX_7 "QUAT_TDM_RX_7"
+#define LPASS_BE_QUAT_TDM_TX_7 "QUAT_TDM_TX_7"
+
+#define LPASS_BE_SLIMBUS_7_RX "SLIMBUS_7_RX"
+#define LPASS_BE_SLIMBUS_7_TX "SLIMBUS_7_TX"
+#define LPASS_BE_SLIMBUS_8_RX "SLIMBUS_8_RX"
+#define LPASS_BE_SLIMBUS_8_TX "SLIMBUS_8_TX"
+
+#define LPASS_BE_USB_AUDIO_RX "USB_AUDIO_RX"
+#define LPASS_BE_USB_AUDIO_TX "USB_AUDIO_TX"
+
+#define LPASS_BE_INT0_MI2S_RX "INT0_MI2S_RX"
+#define LPASS_BE_INT0_MI2S_TX "INT0_MI2S_TX"
+#define LPASS_BE_INT1_MI2S_RX "INT1_MI2S_RX"
+#define LPASS_BE_INT1_MI2S_TX "INT1_MI2S_TX"
+#define LPASS_BE_INT2_MI2S_RX "INT2_MI2S_RX"
+#define LPASS_BE_INT2_MI2S_TX "INT2_MI2S_TX"
+#define LPASS_BE_INT3_MI2S_RX "INT3_MI2S_RX"
+#define LPASS_BE_INT3_MI2S_TX "INT3_MI2S_TX"
+#define LPASS_BE_INT4_MI2S_RX "INT4_MI2S_RX"
+#define LPASS_BE_INT4_MI2S_TX "INT4_MI2S_TX"
+#define LPASS_BE_INT5_MI2S_RX "INT5_MI2S_RX"
+#define LPASS_BE_INT5_MI2S_TX "INT5_MI2S_TX"
+#define LPASS_BE_INT6_MI2S_RX "INT6_MI2S_RX"
+#define LPASS_BE_INT6_MI2S_TX "INT6_MI2S_TX"
+/* For multimedia front-ends, asm session is allocated dynamically.
+ * Hence, asm session/multimedia front-end mapping has to be maintained.
+ * Due to this reason, additional multimedia front-end must be placed before
+ * non-multimedia front-ends.
+ */
+
+enum {
+	MSM_FRONTEND_DAI_MULTIMEDIA1 = 0,
+	MSM_FRONTEND_DAI_MULTIMEDIA2,
+	MSM_FRONTEND_DAI_MULTIMEDIA3,
+	MSM_FRONTEND_DAI_MULTIMEDIA4,
+	MSM_FRONTEND_DAI_MULTIMEDIA5,
+	MSM_FRONTEND_DAI_MULTIMEDIA6,
+	MSM_FRONTEND_DAI_MULTIMEDIA7,
+	MSM_FRONTEND_DAI_MULTIMEDIA8,
+	MSM_FRONTEND_DAI_MULTIMEDIA9,
+	MSM_FRONTEND_DAI_MULTIMEDIA10,
+	MSM_FRONTEND_DAI_MULTIMEDIA11,
+	MSM_FRONTEND_DAI_MULTIMEDIA12,
+	MSM_FRONTEND_DAI_MULTIMEDIA13,
+	MSM_FRONTEND_DAI_MULTIMEDIA14,
+	MSM_FRONTEND_DAI_MULTIMEDIA15,
+	MSM_FRONTEND_DAI_MULTIMEDIA16,
+	MSM_FRONTEND_DAI_MULTIMEDIA17,
+	MSM_FRONTEND_DAI_MULTIMEDIA18,
+	MSM_FRONTEND_DAI_MULTIMEDIA19,
+	MSM_FRONTEND_DAI_MULTIMEDIA20,
+	MSM_FRONTEND_DAI_CS_VOICE,
+	MSM_FRONTEND_DAI_VOIP,
+	MSM_FRONTEND_DAI_AFE_RX,
+	MSM_FRONTEND_DAI_AFE_TX,
+	MSM_FRONTEND_DAI_VOICE_STUB,
+	MSM_FRONTEND_DAI_VOLTE,
+	MSM_FRONTEND_DAI_DTMF_RX,
+	MSM_FRONTEND_DAI_VOICE2,
+	MSM_FRONTEND_DAI_QCHAT,
+	MSM_FRONTEND_DAI_VOLTE_STUB,
+	MSM_FRONTEND_DAI_LSM1,
+	MSM_FRONTEND_DAI_LSM2,
+	MSM_FRONTEND_DAI_LSM3,
+	MSM_FRONTEND_DAI_LSM4,
+	MSM_FRONTEND_DAI_LSM5,
+	MSM_FRONTEND_DAI_LSM6,
+	MSM_FRONTEND_DAI_LSM7,
+	MSM_FRONTEND_DAI_LSM8,
+	MSM_FRONTEND_DAI_VOICE2_STUB,
+	MSM_FRONTEND_DAI_VOWLAN,
+	MSM_FRONTEND_DAI_VOICEMMODE1,
+	MSM_FRONTEND_DAI_VOICEMMODE2,
+	MSM_FRONTEND_DAI_MAX,
+};
+
+#define MSM_FRONTEND_DAI_MM_SIZE (MSM_FRONTEND_DAI_MULTIMEDIA20 + 1)
+#define MSM_FRONTEND_DAI_MM_MAX_ID MSM_FRONTEND_DAI_MULTIMEDIA20
+
+enum {
+	MSM_BACKEND_DAI_PRI_I2S_RX = 0,
+	MSM_BACKEND_DAI_PRI_I2S_TX,
+	MSM_BACKEND_DAI_SLIMBUS_0_RX,
+	MSM_BACKEND_DAI_SLIMBUS_0_TX,
+	MSM_BACKEND_DAI_HDMI_RX,
+	MSM_BACKEND_DAI_INT_BT_SCO_RX,
+	MSM_BACKEND_DAI_INT_BT_SCO_TX,
+	MSM_BACKEND_DAI_INT_FM_RX,
+	MSM_BACKEND_DAI_INT_FM_TX,
+	MSM_BACKEND_DAI_AFE_PCM_RX,
+	MSM_BACKEND_DAI_AFE_PCM_TX,
+	MSM_BACKEND_DAI_AUXPCM_RX,
+	MSM_BACKEND_DAI_AUXPCM_TX,
+	MSM_BACKEND_DAI_VOICE_PLAYBACK_TX,
+	MSM_BACKEND_DAI_VOICE2_PLAYBACK_TX,
+	MSM_BACKEND_DAI_INCALL_RECORD_RX,
+	MSM_BACKEND_DAI_INCALL_RECORD_TX,
+	MSM_BACKEND_DAI_MI2S_RX,
+	MSM_BACKEND_DAI_MI2S_TX,
+	MSM_BACKEND_DAI_SEC_I2S_RX,
+	MSM_BACKEND_DAI_SLIMBUS_1_RX,
+	MSM_BACKEND_DAI_SLIMBUS_1_TX,
+	MSM_BACKEND_DAI_SLIMBUS_2_RX,
+	MSM_BACKEND_DAI_SLIMBUS_2_TX,
+	MSM_BACKEND_DAI_SLIMBUS_3_RX,
+	MSM_BACKEND_DAI_SLIMBUS_3_TX,
+	MSM_BACKEND_DAI_SLIMBUS_4_RX,
+	MSM_BACKEND_DAI_SLIMBUS_4_TX,
+	MSM_BACKEND_DAI_SLIMBUS_5_RX,
+	MSM_BACKEND_DAI_SLIMBUS_5_TX,
+	MSM_BACKEND_DAI_SLIMBUS_6_RX,
+	MSM_BACKEND_DAI_SLIMBUS_6_TX,
+	MSM_BACKEND_DAI_SLIMBUS_7_RX,
+	MSM_BACKEND_DAI_SLIMBUS_7_TX,
+	MSM_BACKEND_DAI_SLIMBUS_8_RX,
+	MSM_BACKEND_DAI_SLIMBUS_8_TX,
+	MSM_BACKEND_DAI_EXTPROC_RX,
+	MSM_BACKEND_DAI_EXTPROC_TX,
+	MSM_BACKEND_DAI_EXTPROC_EC_TX,
+	MSM_BACKEND_DAI_QUATERNARY_MI2S_RX,
+	MSM_BACKEND_DAI_QUATERNARY_MI2S_TX,
+	MSM_BACKEND_DAI_SECONDARY_MI2S_RX,
+	MSM_BACKEND_DAI_SECONDARY_MI2S_TX,
+	MSM_BACKEND_DAI_PRI_MI2S_RX,
+	MSM_BACKEND_DAI_PRI_MI2S_TX,
+	MSM_BACKEND_DAI_TERTIARY_MI2S_RX,
+	MSM_BACKEND_DAI_TERTIARY_MI2S_TX,
+	MSM_BACKEND_DAI_AUDIO_I2S_RX,
+	MSM_BACKEND_DAI_SEC_AUXPCM_RX,
+	MSM_BACKEND_DAI_SEC_AUXPCM_TX,
+	MSM_BACKEND_DAI_SPDIF_RX,
+	MSM_BACKEND_DAI_SECONDARY_MI2S_RX_SD1,
+	MSM_BACKEND_DAI_QUINARY_MI2S_RX,
+	MSM_BACKEND_DAI_QUINARY_MI2S_TX,
+	MSM_BACKEND_DAI_SENARY_MI2S_TX,
+	MSM_BACKEND_DAI_PRI_TDM_RX_0,
+	MSM_BACKEND_DAI_PRI_TDM_TX_0,
+	MSM_BACKEND_DAI_PRI_TDM_RX_1,
+	MSM_BACKEND_DAI_PRI_TDM_TX_1,
+	MSM_BACKEND_DAI_PRI_TDM_RX_2,
+	MSM_BACKEND_DAI_PRI_TDM_TX_2,
+	MSM_BACKEND_DAI_PRI_TDM_RX_3,
+	MSM_BACKEND_DAI_PRI_TDM_TX_3,
+	MSM_BACKEND_DAI_PRI_TDM_RX_4,
+	MSM_BACKEND_DAI_PRI_TDM_TX_4,
+	MSM_BACKEND_DAI_PRI_TDM_RX_5,
+	MSM_BACKEND_DAI_PRI_TDM_TX_5,
+	MSM_BACKEND_DAI_PRI_TDM_RX_6,
+	MSM_BACKEND_DAI_PRI_TDM_TX_6,
+	MSM_BACKEND_DAI_PRI_TDM_RX_7,
+	MSM_BACKEND_DAI_PRI_TDM_TX_7,
+	MSM_BACKEND_DAI_SEC_TDM_RX_0,
+	MSM_BACKEND_DAI_SEC_TDM_TX_0,
+	MSM_BACKEND_DAI_SEC_TDM_RX_1,
+	MSM_BACKEND_DAI_SEC_TDM_TX_1,
+	MSM_BACKEND_DAI_SEC_TDM_RX_2,
+	MSM_BACKEND_DAI_SEC_TDM_TX_2,
+	MSM_BACKEND_DAI_SEC_TDM_RX_3,
+	MSM_BACKEND_DAI_SEC_TDM_TX_3,
+	MSM_BACKEND_DAI_SEC_TDM_RX_4,
+	MSM_BACKEND_DAI_SEC_TDM_TX_4,
+	MSM_BACKEND_DAI_SEC_TDM_RX_5,
+	MSM_BACKEND_DAI_SEC_TDM_TX_5,
+	MSM_BACKEND_DAI_SEC_TDM_RX_6,
+	MSM_BACKEND_DAI_SEC_TDM_TX_6,
+	MSM_BACKEND_DAI_SEC_TDM_RX_7,
+	MSM_BACKEND_DAI_SEC_TDM_TX_7,
+	MSM_BACKEND_DAI_TERT_TDM_RX_0,
+	MSM_BACKEND_DAI_TERT_TDM_TX_0,
+	MSM_BACKEND_DAI_TERT_TDM_RX_1,
+	MSM_BACKEND_DAI_TERT_TDM_TX_1,
+	MSM_BACKEND_DAI_TERT_TDM_RX_2,
+	MSM_BACKEND_DAI_TERT_TDM_TX_2,
+	MSM_BACKEND_DAI_TERT_TDM_RX_3,
+	MSM_BACKEND_DAI_TERT_TDM_TX_3,
+	MSM_BACKEND_DAI_TERT_TDM_RX_4,
+	MSM_BACKEND_DAI_TERT_TDM_TX_4,
+	MSM_BACKEND_DAI_TERT_TDM_RX_5,
+	MSM_BACKEND_DAI_TERT_TDM_TX_5,
+	MSM_BACKEND_DAI_TERT_TDM_RX_6,
+	MSM_BACKEND_DAI_TERT_TDM_TX_6,
+	MSM_BACKEND_DAI_TERT_TDM_RX_7,
+	MSM_BACKEND_DAI_TERT_TDM_TX_7,
+	MSM_BACKEND_DAI_QUAT_TDM_RX_0,
+	MSM_BACKEND_DAI_QUAT_TDM_TX_0,
+	MSM_BACKEND_DAI_QUAT_TDM_RX_1,
+	MSM_BACKEND_DAI_QUAT_TDM_TX_1,
+	MSM_BACKEND_DAI_QUAT_TDM_RX_2,
+	MSM_BACKEND_DAI_QUAT_TDM_TX_2,
+	MSM_BACKEND_DAI_QUAT_TDM_RX_3,
+	MSM_BACKEND_DAI_QUAT_TDM_TX_3,
+	MSM_BACKEND_DAI_QUAT_TDM_RX_4,
+	MSM_BACKEND_DAI_QUAT_TDM_TX_4,
+	MSM_BACKEND_DAI_QUAT_TDM_RX_5,
+	MSM_BACKEND_DAI_QUAT_TDM_TX_5,
+	MSM_BACKEND_DAI_QUAT_TDM_RX_6,
+	MSM_BACKEND_DAI_QUAT_TDM_TX_6,
+	MSM_BACKEND_DAI_QUAT_TDM_RX_7,
+	MSM_BACKEND_DAI_QUAT_TDM_TX_7,
+	MSM_BACKEND_DAI_INT_BT_A2DP_RX,
+	MSM_BACKEND_DAI_USB_RX,
+	MSM_BACKEND_DAI_USB_TX,
+	MSM_BACKEND_DAI_DISPLAY_PORT_RX,
+	MSM_BACKEND_DAI_TERT_AUXPCM_RX,
+	MSM_BACKEND_DAI_TERT_AUXPCM_TX,
+	MSM_BACKEND_DAI_QUAT_AUXPCM_RX,
+	MSM_BACKEND_DAI_QUAT_AUXPCM_TX,
+	MSM_BACKEND_DAI_INT0_MI2S_RX,
+	MSM_BACKEND_DAI_INT0_MI2S_TX,
+	MSM_BACKEND_DAI_INT1_MI2S_RX,
+	MSM_BACKEND_DAI_INT1_MI2S_TX,
+	MSM_BACKEND_DAI_INT2_MI2S_RX,
+	MSM_BACKEND_DAI_INT2_MI2S_TX,
+	MSM_BACKEND_DAI_INT3_MI2S_RX,
+	MSM_BACKEND_DAI_INT3_MI2S_TX,
+	MSM_BACKEND_DAI_INT4_MI2S_RX,
+	MSM_BACKEND_DAI_INT4_MI2S_TX,
+	MSM_BACKEND_DAI_INT5_MI2S_RX,
+	MSM_BACKEND_DAI_INT5_MI2S_TX,
+	MSM_BACKEND_DAI_INT6_MI2S_RX,
+	MSM_BACKEND_DAI_INT6_MI2S_TX,
+	MSM_BACKEND_DAI_MAX,
+};
+
+enum msm_pcm_routing_event {
+	MSM_PCM_RT_EVT_BUF_RECFG,
+	MSM_PCM_RT_EVT_DEVSWITCH,
+	MSM_PCM_RT_EVT_MAX,
+};
+
+enum {
+	EXT_EC_REF_NONE = 0,
+	EXT_EC_REF_PRI_MI2S_TX,
+	EXT_EC_REF_SEC_MI2S_TX,
+	EXT_EC_REF_TERT_MI2S_TX,
+	EXT_EC_REF_QUAT_MI2S_TX,
+	EXT_EC_REF_QUIN_MI2S_TX,
+	EXT_EC_REF_SLIM_1_TX,
+};
+
+#define INVALID_SESSION -1
+#define SESSION_TYPE_RX 0
+#define SESSION_TYPE_TX 1
+#define MAX_SESSION_TYPES 2
+#define INT_RX_VOL_MAX_STEPS 0x2000
+#define INT_RX_VOL_GAIN 0x2000
+
+#define RELEASE_LOCK	0
+#define ACQUIRE_LOCK	1
+
+#define MSM_BACKEND_DAI_PP_PARAMS_REQ_MAX	2
+#define HDMI_RX_ID				0x8001
+#define ADM_PP_PARAM_MUTE_ID			0
+#define ADM_PP_PARAM_MUTE_BIT			1
+#define ADM_PP_PARAM_LATENCY_ID			1
+#define ADM_PP_PARAM_LATENCY_BIT		2
+#define BE_DAI_PORT_SESSIONS_IDX_MAX		4
+#define BE_DAI_FE_SESSIONS_IDX_MAX		2
+
+struct msm_pcm_routing_evt {
+	void (*event_func)(enum msm_pcm_routing_event, void *);
+	void *priv_data;
+};
+
+struct msm_pcm_routing_bdai_data {
+	u16 port_id; /* AFE port ID */
+	u8 active; /* track if this backend is enabled */
+
+	/* Front-end sessions */
+	unsigned long fe_sessions[BE_DAI_FE_SESSIONS_IDX_MAX];
+	/*
+	 * Track Tx BE ports -> Rx BE ports.
+	 * port_sessions[0] used to track BE 0 to BE 63.
+	 * port_sessions[1] used to track BE 64 to BE 127.
+	 * port_sessions[2] used to track BE 128 to BE 191.
+	 * port_sessions[3] used to track BE 192 to BE 255.
+	 */
+	u64 port_sessions[BE_DAI_PORT_SESSIONS_IDX_MAX];
+
+	unsigned int  sample_rate;
+	unsigned int  channel;
+	unsigned int  format;
+	unsigned int  adm_override_ch;
+	u32 passthr_mode[MSM_FRONTEND_DAI_MAX];
+	char *name;
+};
+
+struct msm_pcm_routing_fdai_data {
+	u16 be_srate; /* track prior backend sample rate for flushing purpose */
+	int strm_id; /* ASM stream ID */
+	int perf_mode;
+	struct msm_pcm_routing_evt event_info;
+};
+
+#define MAX_APP_TYPES	16
+struct msm_pcm_routing_app_type_data {
+	int app_type;
+	u32 sample_rate;
+	int bit_width;
+};
+
+struct msm_pcm_stream_app_type_cfg {
+	int app_type;
+	int acdb_dev_id;
+	int sample_rate;
+};
+
+/* dai_id: front-end ID,
+ * dspst_id:  DSP audio stream ID
+ * stream_type: playback or capture
+ */
+int msm_pcm_routing_reg_phy_stream(int fedai_id, int perf_mode, int dspst_id,
+				   int stream_type);
+void msm_pcm_routing_reg_psthr_stream(int fedai_id, int dspst_id,
+		int stream_type);
+int msm_pcm_routing_reg_phy_compr_stream(int fedai_id, int perf_mode,
+					  int dspst_id, int stream_type,
+					  uint32_t compr_passthr);
+
+int msm_pcm_routing_reg_phy_stream_v2(int fedai_id, int perf_mode,
+				      int dspst_id, int stream_type,
+				      struct msm_pcm_routing_evt event_info);
+
+void msm_pcm_routing_dereg_phy_stream(int fedai_id, int stream_type);
+
+int msm_routing_check_backend_enabled(int fedai_id);
+
+
+void msm_pcm_routing_get_bedai_info(int be_idx,
+				    struct msm_pcm_routing_bdai_data *bedai);
+void msm_pcm_routing_get_fedai_info(int fe_idx, int sess_type,
+				    struct msm_pcm_routing_fdai_data *fe_dai);
+void msm_pcm_routing_acquire_lock(void);
+void msm_pcm_routing_release_lock(void);
+
+int msm_pcm_routing_reg_stream_app_type_cfg(
+	int fedai_id, int session_type, int be_id,
+	struct msm_pcm_stream_app_type_cfg *cfg_data);
+int msm_pcm_routing_get_stream_app_type_cfg(
+	int fedai_id, int session_type, int *be_id,
+	struct msm_pcm_stream_app_type_cfg *cfg_data);
+#endif /*_MSM_PCM_H*/