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To avoid issues on some devices serialise the boot of each SDCA Function from the others. Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev> Link: https://patch.msgid.link/20260109145206.3456151-5-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown <broonie@kernel.org>
40 lines
878 B
C
40 lines
878 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* The MIPI SDCA specification is available for public downloads at
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* https://www.mipi.org/mipi-sdca-v1-0-download
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*
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* Copyright (C) 2025 Cirrus Logic, Inc. and
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* Cirrus Logic International Semiconductor Ltd.
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*/
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#ifndef __SDCA_CLASS_H__
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#define __SDCA_CLASS_H__
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#include <linux/completion.h>
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#include <linux/mutex.h>
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#include <linux/workqueue.h>
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struct device;
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struct regmap;
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struct sdw_slave;
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struct sdca_function_data;
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struct sdca_class_drv {
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struct device *dev;
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struct regmap *dev_regmap;
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struct sdw_slave *sdw;
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struct sdca_function_data *functions;
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struct sdca_interrupt_info *irq_info;
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struct mutex regmap_lock;
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/* Serialise function initialisations */
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struct mutex init_lock;
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struct work_struct boot_work;
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struct completion device_attach;
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bool attached;
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};
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#endif /* __SDCA_CLASS_H__ */
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