1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2024 Analog Devices Inc.
4 * Copyright (C) 2024 BayLibre, SAS
5 */
6
7#ifndef __LINUX_SPI_OFFLOAD_PROVIDER_H
8#define __LINUX_SPI_OFFLOAD_PROVIDER_H
9
10#include <linux/module.h>
11#include <linux/spi/offload/types.h>
12#include <linux/types.h>
13
14MODULE_IMPORT_NS("SPI_OFFLOAD");
15
16struct device;
17struct spi_offload_trigger;
18
19struct spi_offload *devm_spi_offload_alloc(struct device *dev, size_t priv_size);
20
21struct spi_offload_trigger_ops {
22 bool (*match)(struct spi_offload_trigger *trigger,
23 enum spi_offload_trigger_type type, u64 *args, u32 nargs);
24 int (*request)(struct spi_offload_trigger *trigger,
25 enum spi_offload_trigger_type type, u64 *args, u32 nargs);
26 void (*release)(struct spi_offload_trigger *trigger);
27 int (*validate)(struct spi_offload_trigger *trigger,
28 struct spi_offload_trigger_config *config);
29 int (*enable)(struct spi_offload_trigger *trigger,
30 struct spi_offload_trigger_config *config);
31 void (*disable)(struct spi_offload_trigger *trigger);
32};
33
34struct spi_offload_trigger_info {
35 /** @fwnode: Provider fwnode, used to match to consumer. */
36 struct fwnode_handle *fwnode;
37 /** @ops: Provider-specific callbacks. */
38 const struct spi_offload_trigger_ops *ops;
39 /** Provider-specific state to be used in callbacks. */
40 void *priv;
41};
42
43int devm_spi_offload_trigger_register(struct device *dev,
44 struct spi_offload_trigger_info *info);
45void *spi_offload_trigger_get_priv(struct spi_offload_trigger *trigger);
46
47#endif /* __LINUX_SPI_OFFLOAD_PROVIDER_H */
48

source code of linux/include/linux/spi/offload/provider.h