/*
* Copyright (c) 2025 Jiri Svoboda
* Copyright (c) 2010 Lenka Trochtova
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup libdrv
* @{
*/
/** @file
*/
#ifndef DDF_DRIVER_H_
#define DDF_DRIVER_H_
#include <async.h>
#include <ipc/devman.h>
#include <ipc/dev_iface.h>
#include "../dev_iface.h"
/*
* Device
*/
typedef struct ddf_dev ddf_dev_t;
typedef struct ddf_fun ddf_fun_t;
/** Devices operations */
typedef struct ddf_dev_ops {
/**
* Optional callback function called when a client is connecting to the
* device.
*/
errno_t (*open)(ddf_fun_t *);
/**
* Optional callback function called when a client is disconnecting from
* the device.
*/
void (*close)(ddf_fun_t *);
/** The table of standard interfaces implemented by the device. */
void *interfaces[DEV_IFACE_COUNT];
/**
* The default handler of remote client requests. If the client's remote
* request cannot be handled by any of the standard interfaces, the
* default handler is used.
*/
remote_handler_t *default_handler;
} ddf_dev_ops_t;
/** Device structure */
struct ddf_dev;
/** Function structure */
struct ddf_fun;
/*
* Driver
*/
/** Generic device driver operations */
typedef struct driver_ops {
/** Ask driver to add a new device */
errno_t (*dev_add)(ddf_dev_t *);
/** Ask driver to remove a device */
errno_t (*dev_remove)(ddf_dev_t *);
/** Inform driver a device disappeared */
errno_t (*dev_gone)(ddf_dev_t *);
/** Ask driver to quiesce device (disable interrupts and DMA) */
errno_t (*dev_quiesce)(ddf_dev_t *);
/** Ask driver to online a specific function */
errno_t (*fun_online)(ddf_fun_t *);
/** Ask driver to offline a specific function */
errno_t (*fun_offline)(ddf_fun_t *);
} driver_ops_t;
/** Driver structure */
typedef struct driver {
/** Name of the device driver */
const char *name;
/** Generic device driver operations */
const driver_ops_t *driver_ops;
} driver_t;
extern int ddf_driver_main(const driver_t *);
extern void *ddf_dev_data_alloc(ddf_dev_t *, size_t);
extern void *ddf_dev_data_get(ddf_dev_t *);
extern devman_handle_t ddf_dev_get_handle(ddf_dev_t *);
extern const char *ddf_dev_get_name(ddf_dev_t *);
extern async_sess_t *ddf_dev_parent_sess_get(ddf_dev_t *);
extern ddf_fun_t *ddf_fun_create(ddf_dev_t *, fun_type_t, const char *);
extern devman_handle_t ddf_fun_get_handle(ddf_fun_t *);
extern void ddf_fun_destroy(ddf_fun_t *);
extern void *ddf_fun_data_alloc(ddf_fun_t *, size_t);
extern void *ddf_fun_data_get(ddf_fun_t *);
extern const char *ddf_fun_get_name(ddf_fun_t *);
extern errno_t ddf_fun_set_name(ddf_fun_t *, const char *);
extern ddf_dev_t *ddf_fun_get_dev(ddf_fun_t *);
extern errno_t ddf_fun_bind(ddf_fun_t *);
extern errno_t ddf_fun_unbind(ddf_fun_t *);
extern errno_t ddf_fun_online(ddf_fun_t *);
extern errno_t ddf_fun_offline(ddf_fun_t *);
extern errno_t ddf_fun_quiesce(ddf_fun_t *);
extern errno_t ddf_fun_add_match_id(ddf_fun_t *, const char *, int);
extern void ddf_fun_set_ops(ddf_fun_t *, const ddf_dev_ops_t *);
extern void ddf_fun_set_conn_handler(ddf_fun_t *, async_port_handler_t);
extern errno_t ddf_fun_add_to_category(ddf_fun_t *, const char *);
extern errno_t ddf_fun_wait_stable(ddf_fun_t *);
#endif
/**
* @}
*/