1 /* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
2 /* Copyright(c) 2015-17 Intel Corporation. */
3 
4 #ifndef __SDW_INTEL_H
5 #define __SDW_INTEL_H
6 
7 /**
8  * struct sdw_intel_ops: Intel audio driver callback ops
9  *
10  * @config_stream: configure the stream with the hw_params
11  * the first argument containing the context is mandatory
12  */
13 struct sdw_intel_ops {
14 	int (*config_stream)(void *arg, void *substream,
15 			     void *dai, void *hw_params, int stream_num);
16 };
17 
18 /**
19  * struct sdw_intel_res - Soundwire Intel resource structure
20  * @mmio_base: mmio base of SoundWire registers
21  * @irq: interrupt number
22  * @handle: ACPI parent handle
23  * @parent: parent device
24  * @ops: callback ops
25  * @arg: callback arg
26  */
27 struct sdw_intel_res {
28 	void __iomem *mmio_base;
29 	int irq;
30 	acpi_handle handle;
31 	struct device *parent;
32 	const struct sdw_intel_ops *ops;
33 	void *arg;
34 };
35 
36 void *sdw_intel_init(acpi_handle *parent_handle, struct sdw_intel_res *res);
37 void sdw_intel_exit(void *arg);
38 
39 #endif
40