/* 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