1 // SPDX-License-Identifier: GPL-2.0
5  * Copyright (C) 2022-2023 Cirrus Logic, Inc. and
13 #include <linux/mfd/cs42l43-regs.h>
25 	.num = port, \
63 	struct sdw_slave_prop *prop = &sdw->prop;  in cs42l43_read_prop()
64 	struct device *dev = &sdw->dev;  in cs42l43_read_prop()
67 	prop->use_domain_irq = true;  in cs42l43_read_prop()
68 	prop->paging_support = true;  in cs42l43_read_prop()
69 	prop->wake_capable = true;  in cs42l43_read_prop()
70 	prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;  in cs42l43_read_prop()
71 	prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY |  in cs42l43_read_prop()
75 		prop->source_ports |= BIT(cs42l43_src_port_props[i].num);  in cs42l43_read_prop()
77 	prop->src_dpn_prop = devm_kmemdup(dev, cs42l43_src_port_props,  in cs42l43_read_prop()
79 	if (!prop->src_dpn_prop)  in cs42l43_read_prop()
80 		return -ENOMEM;  in cs42l43_read_prop()
83 		prop->sink_ports |= BIT(cs42l43_sink_port_props[i].num);  in cs42l43_read_prop()
85 	prop->sink_dpn_prop = devm_kmemdup(dev, cs42l43_sink_port_props,  in cs42l43_read_prop()
87 	if (!prop->sink_dpn_prop)  in cs42l43_read_prop()
88 		return -ENOMEM;  in cs42l43_read_prop()
95 	struct cs42l43 *cs42l43 = dev_get_drvdata(&sdw->dev);  in cs42l43_sdw_update_status()
99 		dev_dbg(cs42l43->dev, "Device attach\n");  in cs42l43_sdw_update_status()
104 		cs42l43->attached = true;  in cs42l43_sdw_update_status()
106 		complete(&cs42l43->device_attach);  in cs42l43_sdw_update_status()
109 		dev_dbg(cs42l43->dev, "Device detach\n");  in cs42l43_sdw_update_status()
111 		cs42l43->attached = false;  in cs42l43_sdw_update_status()
113 		reinit_completion(&cs42l43->device_attach);  in cs42l43_sdw_update_status()
114 		complete(&cs42l43->device_detach);  in cs42l43_sdw_update_status()
131 	 * IRQs are still pending so doing a read/write here after handling the  in cs42l43_sdw_interrupt()
143 	struct cs42l43 *cs42l43 = dev_get_drvdata(&sdw->dev);  in cs42l43_sdw_bus_config()
146 	mutex_lock(&cs42l43->pll_lock);  in cs42l43_sdw_bus_config()
148 	if (cs42l43->sdw_freq != params->curr_dr_freq / 2) {  in cs42l43_sdw_bus_config()
149 		if (cs42l43->sdw_pll_active) {  in cs42l43_sdw_bus_config()
150 			dev_err(cs42l43->dev,  in cs42l43_sdw_bus_config()
152 			ret = -EBUSY;  in cs42l43_sdw_bus_config()
154 			cs42l43->sdw_freq = params->curr_dr_freq / 2;  in cs42l43_sdw_bus_config()
158 	mutex_unlock(&cs42l43->pll_lock);  in cs42l43_sdw_bus_config()
173 	struct device *dev = &sdw->dev;  in cs42l43_sdw_probe()
177 		return -ENOMEM;  in cs42l43_sdw_probe()
179 	cs42l43->dev = dev;  in cs42l43_sdw_probe()
180 	cs42l43->sdw = sdw;  in cs42l43_sdw_probe()
182 	cs42l43->regmap = devm_regmap_init_sdw(sdw, &cs42l43_sdw_regmap);  in cs42l43_sdw_probe()
183 	if (IS_ERR(cs42l43->regmap))  in cs42l43_sdw_probe()
184 		return dev_err_probe(cs42l43->dev, PTR_ERR(cs42l43->regmap),  in cs42l43_sdw_probe()