ASoC: Add dailink for lito btfm support

As lito uses cherokee for btfm support which uses slimbus.
Add respective dailink for wcn btfm support for lito.
Also rename sm8250-port-config to kona-port-config.

Change-Id: I86d771b5df76a4541b8bf17174c1181d9d94bb52
Signed-off-by: Vatsal Bucha <vbucha@codeaurora.org>

asoc/kona-port-config.h

@@ -3,8 +3,8 @@
  * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
  */
 
-#ifndef _SM8250_PORT_CONFIG
+#ifndef _KONA_PORT_CONFIG
-#define _SM8250_PORT_CONFIG
+#define _KONA_PORT_CONFIG
 
 #include <soc/swr-common.h>
 
@@ -57,4 +57,4 @@ static struct swr_mstr_port_map sm_port_map[] = {
 	{WSA_MACRO, SWR_UC0, wsa_frame_params_default},
 };
 
-#endif /* _SM8250_PORT_CONFIG */
+#endif /* _KONA_PORT_CONFIG */

asoc/kona.c

@@ -35,7 +35,7 @@
 #include "codecs/bolero/bolero-cdc.h"
 #include <dt-bindings/sound/audio-codec-port-types.h>
 #include "codecs/bolero/wsa-macro.h"
-#include "sm8250-port-config.h"
+#include "kona-port-config.h"
 
 #define DRV_NAME "kona-asoc-snd"
 #define __CHIPSET__ "KONA "
@@ -73,6 +73,7 @@
 #define WSA8810_NAME_2 "wsa881x.20170212"
 #define WCN_CDC_SLIM_RX_CH_MAX 2
 #define WCN_CDC_SLIM_TX_CH_MAX 2
+#define WCN_CDC_SLIM_TX_CH_MAX_LITO 3
 
 enum {
 	TDM_0 = 0,
@@ -137,6 +138,7 @@ enum {
 };
 enum {
 	SLIM_TX_7 = 0,
+	SLIM_TX_8,
 	SLIM_TX_MAX,
 };
 
@@ -191,6 +193,7 @@ static struct dev_config slim_rx_cfg[] = {
 
 static struct dev_config slim_tx_cfg[] = {
 	[SLIM_TX_7] = {SAMPLING_RATE_8KHZ, SNDRV_PCM_FORMAT_S16_LE, 1},
+	[SLIM_TX_8] = {SAMPLING_RATE_48KHZ, SNDRV_PCM_FORMAT_S16_LE, 2},
 };
 
 /* Default configuration of external display BE */
@@ -3632,6 +3635,12 @@ static int msm_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
 			slim_tx_cfg[SLIM_TX_7].channels;
 		break;
 
+	case MSM_BACKEND_DAI_SLIMBUS_8_TX:
+		rate->min = rate->max = slim_tx_cfg[SLIM_TX_8].sample_rate;
+		channels->min = channels->max =
+			slim_tx_cfg[SLIM_TX_8].channels;
+		break;
+
 	case MSM_BACKEND_DAI_AFE_LOOPBACK_TX:
 		param_set_mask(params, SNDRV_PCM_HW_PARAM_FORMAT,
 				afe_loopback_tx_cfg[idx].bit_format);
@@ -3991,6 +4000,41 @@ static void msm_mi2s_snd_shutdown(struct snd_pcm_substream *substream)
 	mutex_unlock(&mi2s_intf_conf[index].lock);
 }
 
+static int msm_wcn_hw_params_lito(struct snd_pcm_substream *substream,
+			     struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_dai *codec_dai = rtd->codec_dai;
+	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+	struct snd_soc_dai_link *dai_link = rtd->dai_link;
+	u32 rx_ch[WCN_CDC_SLIM_RX_CH_MAX], tx_ch[WCN_CDC_SLIM_TX_CH_MAX_LITO];
+	u32 rx_ch_cnt = 0, tx_ch_cnt = 0;
+	int ret = 0;
+
+	dev_dbg(rtd->dev, "%s: %s_tx_dai_id_%d\n", __func__,
+		 codec_dai->name, codec_dai->id);
+	ret = snd_soc_dai_get_channel_map(codec_dai,
+				 &tx_ch_cnt, tx_ch, &rx_ch_cnt, rx_ch);
+	if (ret) {
+		dev_err(rtd->dev,
+			"%s: failed to get BTFM codec chan map\n, err:%d\n",
+			__func__, ret);
+		goto err;
+	}
+
+	dev_dbg(rtd->dev, "%s: tx_ch_cnt(%d) BE id %d\n",
+		__func__, tx_ch_cnt, dai_link->id);
+
+	ret = snd_soc_dai_set_channel_map(cpu_dai,
+					  tx_ch_cnt, tx_ch, rx_ch_cnt, rx_ch);
+	if (ret)
+		dev_err(rtd->dev, "%s: failed to set cpu chan map, err:%d\n",
+			__func__, ret);
+
+err:
+	return ret;
+}
+
 static int msm_wcn_hw_params(struct snd_pcm_substream *substream,
 			     struct snd_pcm_hw_params *params)
 {
@@ -4047,6 +4091,10 @@ static struct snd_soc_ops msm_wcn_ops = {
 	.hw_params = msm_wcn_hw_params,
 };
 
+static struct snd_soc_ops msm_wcn_ops_lito = {
+	.hw_params = msm_wcn_hw_params_lito,
+};
+
 static int msm_dmic_event(struct snd_soc_dapm_widget *w,
 			  struct snd_kcontrol *kcontrol, int event)
 {
@@ -4155,6 +4203,16 @@ static int msm_wcn_init(struct snd_soc_pcm_runtime *rtd)
 					   tx_ch, ARRAY_SIZE(rx_ch), rx_ch);
 }
 
+static int msm_wcn_init_lito(struct snd_soc_pcm_runtime *rtd)
+{
+	unsigned int rx_ch[WCN_CDC_SLIM_RX_CH_MAX] = {157, 158};
+	unsigned int tx_ch[WCN_CDC_SLIM_TX_CH_MAX_LITO]  = {159, 160, 161};
+	struct snd_soc_dai *codec_dai = rtd->codec_dai;
+
+	return snd_soc_dai_set_channel_map(codec_dai, ARRAY_SIZE(tx_ch),
+					   tx_ch, ARRAY_SIZE(rx_ch), rx_ch);
+}
+
 static int msm_int_audrx_init(struct snd_soc_pcm_runtime *rtd)
 {
 	int ret = -EINVAL;
@@ -4897,6 +4955,22 @@ static struct snd_soc_dai_link msm_common_misc_fe_dai_links[] = {
 		.ignore_pmdown_time = 1,
 		.id = MSM_FRONTEND_DAI_MULTIMEDIA17,
 	},
+	{/* hw:x,38 */
+		.name = "SLIMBUS_8 Hostless",
+		.stream_name = "SLIMBUS_8 Hostless",
+		.cpu_dai_name = "SLIMBUS8_HOSTLESS",
+		.platform_name = "msm-pcm-hostless",
+		.dynamic = 1,
+		.dpcm_capture = 1,
+		.dpcm_playback = 1,
+		.trigger = {SND_SOC_DPCM_TRIGGER_POST,
+			    SND_SOC_DPCM_TRIGGER_POST},
+		.no_host_mode = SND_SOC_DAI_LINK_NO_HOST,
+		.ignore_suspend = 1,
+		.ignore_pmdown_time = 1,
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.codec_name = "snd-soc-dummy",
+	},
 };
 
 static struct snd_soc_dai_link msm_common_be_dai_links[] = {
@@ -5141,6 +5215,58 @@ static struct snd_soc_dai_link msm_wcn_be_dai_links[] = {
 	},
 };
 
+static struct snd_soc_dai_link msm_wcn_btfm_be_dai_links[] = {
+	{
+		.name = LPASS_BE_SLIMBUS_7_RX,
+		.stream_name = "Slimbus7 Playback",
+		.cpu_dai_name = "msm-dai-q6-dev.16398",
+		.platform_name = "msm-pcm-routing",
+		.codec_name = "btfmslim_slave",
+		/* BT codec driver determines capabilities based on
+		 * dai name, bt codecdai name should always contains
+		 * supported usecase information
+		 */
+		.codec_dai_name = "btfm_bt_sco_a2dp_slim_rx",
+		.no_pcm = 1,
+		.dpcm_playback = 1,
+		.id = MSM_BACKEND_DAI_SLIMBUS_7_RX,
+		.be_hw_params_fixup = msm_be_hw_params_fixup,
+		.init = &msm_wcn_init_lito,
+		.ops = &msm_wcn_ops_lito,
+		/* dai link has playback support */
+		.ignore_pmdown_time = 1,
+		.ignore_suspend = 1,
+	},
+	{
+		.name = LPASS_BE_SLIMBUS_7_TX,
+		.stream_name = "Slimbus7 Capture",
+		.cpu_dai_name = "msm-dai-q6-dev.16399",
+		.platform_name = "msm-pcm-routing",
+		.codec_name = "btfmslim_slave",
+		.codec_dai_name = "btfm_bt_sco_slim_tx",
+		.no_pcm = 1,
+		.dpcm_capture = 1,
+		.id = MSM_BACKEND_DAI_SLIMBUS_7_TX,
+		.be_hw_params_fixup = msm_be_hw_params_fixup,
+		.ops = &msm_wcn_ops_lito,
+		.ignore_suspend = 1,
+	},
+	{
+		.name = LPASS_BE_SLIMBUS_8_TX,
+		.stream_name = "Slimbus8 Capture",
+		.cpu_dai_name = "msm-dai-q6-dev.16401",
+		.platform_name = "msm-pcm-routing",
+		.codec_name = "btfmslim_slave",
+		.codec_dai_name = "btfm_fm_slim_tx",
+		.no_pcm = 1,
+		.dpcm_capture = 1,
+		.id = MSM_BACKEND_DAI_SLIMBUS_8_TX,
+		.be_hw_params_fixup = msm_be_hw_params_fixup,
+		.ops = &msm_wcn_ops_lito,
+		.ignore_suspend = 1,
+	},
+};
+
 static struct snd_soc_dai_link ext_disp_be_dai_link[] = {
 	/* DISP PORT BACK END DAI Link */
 	{
@@ -5566,7 +5692,8 @@ static struct snd_soc_dai_link msm_kona_dai_links[
 			ARRAY_SIZE(msm_va_cdc_dma_be_dai_links) +
 			ARRAY_SIZE(ext_disp_be_dai_link) +
 			ARRAY_SIZE(msm_wcn_be_dai_links) +
-			ARRAY_SIZE(msm_afe_rxtx_lb_be_dai_link)];
+			ARRAY_SIZE(msm_afe_rxtx_lb_be_dai_link) +
+			ARRAY_SIZE(msm_wcn_btfm_be_dai_links)];
 
 static int msm_populate_dai_link_component_of_node(
 					struct snd_soc_card *card)
@@ -5769,6 +5896,7 @@ static struct snd_soc_card *populate_snd_card_dailinks(struct device *dev)
 	u32 mi2s_audio_intf = 0;
 	u32 auxpcm_audio_intf = 0;
 	u32 val = 0;
+	u32 wcn_btfm_intf = 0;
 	const struct of_device_id *match;
 
 	match = of_match_node(kona_asoc_machine_of_match, dev->of_node);
@@ -5881,6 +6009,21 @@ static struct snd_soc_card *populate_snd_card_dailinks(struct device *dev)
 			total_links +=
 				ARRAY_SIZE(msm_afe_rxtx_lb_be_dai_link);
 		}
+
+		rc = of_property_read_u32(dev->of_node, "qcom,wcn-btfm",
+					  &wcn_btfm_intf);
+		if (rc) {
+			dev_dbg(dev, "%s: No DT match wcn btfm interface\n",
+				__func__);
+		} else {
+			if (wcn_btfm_intf) {
+				memcpy(msm_kona_dai_links + total_links,
+					msm_wcn_btfm_be_dai_links,
+					sizeof(msm_wcn_btfm_be_dai_links));
+				total_links +=
+					ARRAY_SIZE(msm_wcn_btfm_be_dai_links);
+			}
+		}
 		dailink = msm_kona_dai_links;
 	} else if(!strcmp(match->data, "stub_codec")) {
 		card = &snd_soc_card_stub_msm;