1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright (c) 2023-2024 Qualcomm Innovation Center, Inc. All rights reserved.
18 #include <sound/soc-dapm.h>
96 	wcd->sconfig.ch_count = 1;  in wcd937x_sdw_hw_params()
97 	wcd->active_ports = 0;  in wcd937x_sdw_hw_params()
99 		ch_mask = wcd->port_config[i].ch_mask;  in wcd937x_sdw_hw_params()
104 			wcd->sconfig.ch_count++;  in wcd937x_sdw_hw_params()
106 		port_config[wcd->active_ports] = wcd->port_config[i];  in wcd937x_sdw_hw_params()
107 		wcd->active_ports++;  in wcd937x_sdw_hw_params()
110 	wcd->sconfig.bps = 1;  in wcd937x_sdw_hw_params()
111 	wcd->sconfig.frame_rate = params_rate(params);  in wcd937x_sdw_hw_params()
112 	wcd->sconfig.direction = wcd->is_tx ? SDW_DATA_DIR_TX : SDW_DATA_DIR_RX;  in wcd937x_sdw_hw_params()
113 	wcd->sconfig.type = SDW_STREAM_PCM;  in wcd937x_sdw_hw_params()
115 	return sdw_stream_add_slave(wcd->sdev, &wcd->sconfig,  in wcd937x_sdw_hw_params()
116 				    &port_config[0], wcd->active_ports,  in wcd937x_sdw_hw_params()
117 				    wcd->sruntime);  in wcd937x_sdw_hw_params()
123 	struct wcd937x_sdw_priv *wcd = dev_get_drvdata(&slave->dev);  in wcd9370_update_status()
125 	if (wcd->regmap && status == SDW_SLAVE_ATTACHED) {  in wcd9370_update_status()
127 		regcache_cache_only(wcd->regmap, false);  in wcd9370_update_status()
128 		return regcache_sync(wcd->regmap);  in wcd9370_update_status()
135  * Handle Soundwire out-of-band interrupt event by triggering
143 	struct wcd937x_sdw_priv *wcd = dev_get_drvdata(&slave->dev);  in wcd9370_interrupt_callback()
144 	struct irq_domain *slave_irq = wcd->slave_irq;  in wcd9370_interrupt_callback()
149 		regmap_read(wcd->regmap, WCD937X_DIGITAL_INTR_STATUS_0, &sts1);  in wcd9370_interrupt_callback()
150 		regmap_read(wcd->regmap, WCD937X_DIGITAL_INTR_STATUS_1, &sts2);  in wcd9370_interrupt_callback()
151 		regmap_read(wcd->regmap, WCD937X_DIGITAL_INTR_STATUS_2, &sts3);  in wcd9370_interrupt_callback()
159 	/* Default values except for Read-Only & Volatile registers */
1020 	struct device *dev = &pdev->dev;  in wcd9370_probe()
1026 		return -ENOMEM;  in wcd9370_probe()
1028 	/* Port map index starts at 0, however the data port for this codec start at index 1 */  in wcd9370_probe()
1029 	if (of_property_read_bool(dev->of_node, "qcom,tx-port-mapping")) {  in wcd9370_probe()
1030 		wcd->is_tx = true;  in wcd9370_probe()
1031 		ret = of_property_read_u32_array(dev->of_node, "qcom,tx-port-mapping",  in wcd9370_probe()
1032 						 &pdev->m_port_map[1],  in wcd9370_probe()
1035 		ret = of_property_read_u32_array(dev->of_node, "qcom,rx-port-mapping",  in wcd9370_probe()
1036 						 &pdev->m_port_map[1],  in wcd9370_probe()
1041 			 wcd->is_tx ? "TX" : "RX", ret);  in wcd9370_probe()
1043 	wcd->sdev = pdev;  in wcd9370_probe()
1046 	pdev->prop.scp_int1_mask = SDW_SCP_INT1_IMPL_DEF |  in wcd9370_probe()
1049 	pdev->prop.lane_control_support = true;  in wcd9370_probe()
1050 	pdev->prop.simple_clk_stop_capable = true;  in wcd9370_probe()
1051 	if (wcd->is_tx) {  in wcd9370_probe()
1052 		pdev->prop.source_ports = GENMASK(WCD937X_MAX_TX_SWR_PORTS - 1, 0);  in wcd9370_probe()
1053 		pdev->prop.src_dpn_prop = wcd937x_dpn_prop;  in wcd9370_probe()
1054 		wcd->ch_info = &wcd937x_sdw_tx_ch_info[0];  in wcd9370_probe()
1055 		pdev->prop.wake_capable = true;  in wcd9370_probe()
1057 		wcd->regmap = devm_regmap_init_sdw(pdev, &wcd937x_regmap_config);  in wcd9370_probe()
1058 		if (IS_ERR(wcd->regmap))  in wcd9370_probe()
1059 			return dev_err_probe(dev, PTR_ERR(wcd->regmap),  in wcd9370_probe()
1062 		/* Start in cache-only until device is enumerated */  in wcd9370_probe()
1063 		regcache_cache_only(wcd->regmap, true);  in wcd9370_probe()
1065 		pdev->prop.sink_ports = GENMASK(WCD937X_MAX_SWR_PORTS - 1, 0);  in wcd9370_probe()
1066 		pdev->prop.sink_dpn_prop = wcd937x_dpn_prop;  in wcd9370_probe()
1067 		wcd->ch_info = &wcd937x_sdw_rx_ch_info[0];  in wcd9370_probe()
1083 	struct device *dev = &pdev->dev;  in wcd9370_remove()
1091 	SDW_SLAVE_ENTRY(0x0217, 0x10a, 0), /* WCD9370 RX/TX Device ID */
1100 	if (wcd->regmap) {  in wcd937x_sdw_runtime_suspend()
1101 		regcache_cache_only(wcd->regmap, true);  in wcd937x_sdw_runtime_suspend()
1102 		regcache_mark_dirty(wcd->regmap);  in wcd937x_sdw_runtime_suspend()
1112 	if (wcd->regmap) {  in wcd937x_sdw_runtime_resume()
1113 		regcache_cache_only(wcd->regmap, false);  in wcd937x_sdw_runtime_resume()
1114 		regcache_sync(wcd->regmap);  in wcd937x_sdw_runtime_resume()
1130 		.name = "wcd9370-codec",
1136 MODULE_DESCRIPTION("WCD937X SDW codec driver");