i2c_svc_impl.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* Copyright (c) 1999-2000 by Sun Microsystems, Inc.
* All rights reserved.
*/
#ifndef _I2C_SVC_IMPL_H
#define _I2C_SVC_IMPL_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* i2c_transfer_alloc is a wrapper structure that is used
* to store i2c_transfer_t allocation information so that
* the caller to i2c_transfer_allocate() can modify the
* buffer/size fields and i2c_transfer_free() will still
* be able to recover all buffers.
*/
typedef struct i2c_transfer_alloc {
i2c_transfer_t i2cw_i2ct;
uint32_t i2cw_size;
} i2c_transfer_alloc_t;
#define CHDL(client_hdl) ((i2c_client_hdl_impl_t *)(client_hdl))
/*
* i2c_client_hdl_impl is the real implementation of
* i2c_client_hdl.
*/
typedef struct i2c_client_hdl_impl {
dev_info_t *chdl_dip; /* dip for I2C device */
struct i2c_nexus_reg *chdl_nexus_reg;
} i2c_client_hdl_impl_t;
/*
* i2c_nexus_reg_list are the elements of a linked list which
* tracks all I2C parents.
*/
typedef struct i2c_nexus_reg_list {
i2c_nexus_reg_t nexus_reg;
dev_info_t *dip;
struct i2c_nexus_reg_list *next;
} i2c_nexus_reg_list_t;
#ifdef __cplusplus
}
#endif
#endif /* _I2C_SVC_IMPL_H */