48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2024 Analog Devices Inc.
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* Copyright (C) 2024 BayLibre, SAS
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*/
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#ifndef __LINUX_SPI_OFFLOAD_PROVIDER_H
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#define __LINUX_SPI_OFFLOAD_PROVIDER_H
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#include <linux/module.h>
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#include <linux/spi/offload/types.h>
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#include <linux/types.h>
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MODULE_IMPORT_NS("SPI_OFFLOAD");
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struct device;
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struct spi_offload_trigger;
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struct spi_offload *devm_spi_offload_alloc(struct device *dev, size_t priv_size);
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struct spi_offload_trigger_ops {
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bool (*match)(struct spi_offload_trigger *trigger,
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enum spi_offload_trigger_type type, u64 *args, u32 nargs);
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int (*request)(struct spi_offload_trigger *trigger,
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enum spi_offload_trigger_type type, u64 *args, u32 nargs);
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void (*release)(struct spi_offload_trigger *trigger);
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int (*validate)(struct spi_offload_trigger *trigger,
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struct spi_offload_trigger_config *config);
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int (*enable)(struct spi_offload_trigger *trigger,
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struct spi_offload_trigger_config *config);
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void (*disable)(struct spi_offload_trigger *trigger);
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};
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struct spi_offload_trigger_info {
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/** @fwnode: Provider fwnode, used to match to consumer. */
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struct fwnode_handle *fwnode;
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/** @ops: Provider-specific callbacks. */
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const struct spi_offload_trigger_ops *ops;
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/** Provider-specific state to be used in callbacks. */
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void *priv;
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};
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int devm_spi_offload_trigger_register(struct device *dev,
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struct spi_offload_trigger_info *info);
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void *spi_offload_trigger_get_priv(struct spi_offload_trigger *trigger);
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#endif /* __LINUX_SPI_OFFLOAD_PROVIDER_H */
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