asoc: codecs: Add unified SWR Tx mapping support

Add dynamic port enablement for wcd938x and
wcd937x targets to support unified swr tx port
mapping added as part of SWR 1.6 updates.

Change-Id: If0cf823dc51028fd5bd95f5a49ffe05998526be6
Signed-off-by: Ramlal Karra <rkarra@codeaurora.org>

asoc/codecs/wcd937x/wcd937x.h

@@ -1,19 +1,97 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
-/* Copyright (c) 2018, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2018, 2020 The Linux Foundation. All rights reserved.
  */
 
 #ifndef _WCD937X_H
 #define _WCD937X_H
 
+#include <dt-bindings/sound/audio-codec-port-types.h>
+
+#define WCD937X_MAX_SLAVE_CH_TYPES 10
+#define ZERO 0
+
+struct swr_slave_ch_map {
+	u8 ch_type;
+	u8 index;
+};
+
+static const struct swr_slave_ch_map swr_slv_tx_ch_idx[] = {
+	{ADC1, 0},
+	{ADC2, 1},
+	{ADC3, 2},
+	{DMIC0, 3},
+	{DMIC1, 4},
+	{MBHC, 5},
+	{DMIC2, 6},
+	{DMIC3, 7},
+	{DMIC4, 8},
+	{DMIC5, 9},
+};
+
+static int swr_master_ch_map[] = {
+	ZERO,
+	SWRM_TX1_CH1,
+	SWRM_TX1_CH2,
+	SWRM_TX1_CH3,
+	SWRM_TX1_CH4,
+	SWRM_TX2_CH1,
+	SWRM_TX2_CH2,
+	SWRM_TX2_CH3,
+	SWRM_TX2_CH4,
+	SWRM_TX3_CH1,
+	SWRM_TX3_CH2,
+	SWRM_TX3_CH3,
+	SWRM_TX3_CH4,
+	SWRM_PCM_IN,
+};
+
 #ifdef CONFIG_SND_SOC_WCD937X
 extern int wcd937x_info_create_codec_entry(struct snd_info_entry *codec_root,
 				    struct snd_soc_component *component);
+
+static inline int wcd937x_slave_get_master_ch_val(int ch)
+{
+	int i;
+
+	for (i = 0; i < WCD937X_MAX_SLAVE_CH_TYPES; i++)
+		if (ch == swr_master_ch_map[i])
+			return i;
+	return 0;
+}
+
+static inline int wcd937x_slave_get_master_ch(int idx)
+{
+	return swr_master_ch_map[idx];
+}
+
+static inline int wcd937x_slave_get_slave_ch_val(int ch)
+{
+	int i;
+
+	for (i = 0; i < WCD937X_MAX_SLAVE_CH_TYPES; i++)
+		if (ch == swr_slv_tx_ch_idx[i].ch_type)
+			return swr_slv_tx_ch_idx[i].index;
+
+	return -EINVAL;
+}
 #else
 extern int wcd937x_info_create_codec_entry(struct snd_info_entry *codec_root,
 				    struct snd_soc_component *component)
 {
 	return 0;
 }
+static inline int wcd937x_slave_get_master_ch_val(int ch)
+{
+	return 0;
+}
+static inline int wcd937x_slave_get_master_ch(int idx)
+{
+	return 0;
+}
+static inline int wcd937x_slave_get_slave_ch_val(int ch)
+{
+	return 0;
+}
 #endif /* CONFIG_SND_SOC_WCD937X */
 
 #endif