50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Samsung Exynos SoC series dsp driver
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*
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* Copyright (c) 2019 Samsung Electronics Co., Ltd.
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* http://www.samsung.com/
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*/
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#ifndef __HW_DSP_BUS_H__
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#define __HW_DSP_BUS_H__
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#include <linux/mutex.h>
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#define DSP_BUS_SCENARIO_NAME_LEN (32)
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struct dsp_system;
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struct dsp_bus;
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struct dsp_bus_scenario {
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unsigned int id;
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char name[DSP_BUS_SCENARIO_NAME_LEN];
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unsigned int bts_scen_idx;
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struct mutex lock;
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bool enabled;
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};
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struct dsp_bus_ops {
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int (*mo_get_by_name)(struct dsp_bus *bus, unsigned char *name);
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int (*mo_put_by_name)(struct dsp_bus *bus, unsigned char *name);
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int (*mo_get_by_id)(struct dsp_bus *bus, unsigned int id);
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int (*mo_put_by_id)(struct dsp_bus *bus, unsigned int id);
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int (*mo_all_put)(struct dsp_bus *bus);
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int (*open)(struct dsp_bus *bus);
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int (*close)(struct dsp_bus *bus);
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int (*probe)(struct dsp_bus *bus, void *sys);
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void (*remove)(struct dsp_bus *bus);
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};
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struct dsp_bus {
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unsigned int scen_count;
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struct dsp_bus_scenario *scen;
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int max_scen_id;
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const struct dsp_bus_ops *ops;
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struct dsp_system *sys;
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};
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#endif
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