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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * linux/drivers/mfd/mcp.h
- *
- * Copyright (C) 2001 Russell King, All Rights Reserved.
- */
- #ifndef MCP_H
- #define MCP_H
- #include <linux/device.h>
- struct mcp_ops;
- struct mcp {
- struct module *owner;
- struct mcp_ops *ops;
- spinlock_t lock;
- int use_count;
- unsigned int sclk_rate;
- unsigned int rw_timeout;
- struct device attached_device;
- };
- struct mcp_ops {
- void (*set_telecom_divisor)(struct mcp *, unsigned int);
- void (*set_audio_divisor)(struct mcp *, unsigned int);
- void (*reg_write)(struct mcp *, unsigned int, unsigned int);
- unsigned int (*reg_read)(struct mcp *, unsigned int);
- void (*enable)(struct mcp *);
- void (*disable)(struct mcp *);
- };
- void mcp_set_telecom_divisor(struct mcp *, unsigned int);
- void mcp_set_audio_divisor(struct mcp *, unsigned int);
- void mcp_reg_write(struct mcp *, unsigned int, unsigned int);
- unsigned int mcp_reg_read(struct mcp *, unsigned int);
- void mcp_enable(struct mcp *);
- void mcp_disable(struct mcp *);
- #define mcp_get_sclk_rate(mcp) ((mcp)->sclk_rate)
- struct mcp *mcp_host_alloc(struct device *, size_t);
- int mcp_host_add(struct mcp *, void *);
- void mcp_host_del(struct mcp *);
- void mcp_host_free(struct mcp *);
- struct mcp_driver {
- struct device_driver drv;
- int (*probe)(struct mcp *);
- void (*remove)(struct mcp *);
- };
- int mcp_driver_register(struct mcp_driver *);
- void mcp_driver_unregister(struct mcp_driver *);
- #define mcp_get_drvdata(mcp) dev_get_drvdata(&(mcp)->attached_device)
- #define mcp_set_drvdata(mcp,d) dev_set_drvdata(&(mcp)->attached_device, d)
- static inline void *mcp_priv(struct mcp *mcp)
- {
- return mcp + 1;
- }
- #endif
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