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e92e25f777
Several of the UMP transactions in the FDL process should timeout if the device does not respond within a certain time, add handling into the UMP helpers and the FDL code to handle this. Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev> Link: https://patch.msgid.link/20251020155512.353774-18-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown <broonie@kernel.org>
51 lines
1.6 KiB
C
51 lines
1.6 KiB
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_UMP_H__
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#define __SDCA_UMP_H__
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struct regmap;
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struct sdca_control;
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struct sdca_entity;
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struct sdca_function_data;
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struct snd_soc_component;
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struct delayed_work;
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int sdca_ump_get_owner_host(struct device *dev,
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struct regmap *function_regmap,
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struct sdca_function_data *function,
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struct sdca_entity *entity,
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struct sdca_control *control);
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int sdca_ump_set_owner_device(struct device *dev,
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struct regmap *function_regmap,
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struct sdca_function_data *function,
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struct sdca_entity *entity,
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struct sdca_control *control);
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int sdca_ump_read_message(struct device *dev,
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struct regmap *device_regmap,
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struct regmap *function_regmap,
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struct sdca_function_data *function,
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struct sdca_entity *entity,
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unsigned int offset_sel, unsigned int length_sel,
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void **msg);
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int sdca_ump_write_message(struct device *dev,
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struct regmap *device_regmap,
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struct regmap *function_regmap,
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struct sdca_function_data *function,
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struct sdca_entity *entity,
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unsigned int offset_sel, unsigned int msg_offset,
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unsigned int length_sel,
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void *msg, int msg_len);
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void sdca_ump_cancel_timeout(struct delayed_work *work);
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void sdca_ump_schedule_timeout(struct delayed_work *work,
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unsigned int timeout_us);
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#endif // __SDCA_UMP_H__
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