/****************************************************************************
 * include/nuttx/ioctl.h
 *
 *   Copyright (C) 2008, 2009, 2011 Gregory Nutt. All rights reserved.
 *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 * 3. Neither the name NuttX nor the names of its contributors may be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "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
 * COPYRIGHT OWNER OR CONTRIBUTORS 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.
 *
 ****************************************************************************/

#ifndef __NUTTX_IOCTL_H
#define __NUTTX_IOCTL_H

/****************************************************************************
 * Included Files
 ****************************************************************************/

#include <nuttx/config.h>

/****************************************************************************
 * Pre-Processor Definitions
 ****************************************************************************/
/* General ioctl definitions ************************************************/
/* Each NuttX ioctl commands are uint16_t's consisting of an 8-bit type
 * identifier and an 8-bit command number.  All comman type identifiers are
 * defined below:
 */

#define _TIOCBASE       (0x0100) /* Terminal I/O ioctl commands */
#define _WDIOCBASE      (0x0200) /* Watchdog driver ioctl commands */
#define _FIOCBASE       (0x0300) /* File system ioctl commands */
#define _DIOCBASE       (0x0400) /* Character driver ioctl commands */
#define _BIOCBASE       (0x0500) /* Block driver ioctl commands */
#define _MTDIOCBASE     (0x0600) /* MTD ioctl commands */
#define _SIOCBASE       (0x0700) /* Socket ioctl commands */
#define _ARPIOCBASE     (0x0800) /* ARP ioctl commands */
#define _TSIOCBASE      (0x0900) /* Touchscreen ioctl commands */
#define _SNIOCBASE      (0x0a00) /* Sensor ioctl commands */
#define _ANIOCBASE      (0x0b00) /* Analog (DAC/ADC) ioctl commands */
#define _PWMIOCBASE     (0x0c00) /* PWM ioctl commands */
#define _CAIOCBASE      (0x0d00) /* CDC/ACM ioctl commands */

/* Macros used to manage ioctl commands */

#define _IOC_MASK       (0x00ff)
#define _IOC_TYPE(cmd)  ((cmd)&~_IOC_MASK)
#define _IOC_NR(cmd)    ((cmd)&_IOC_MASK)

#define _IOC(type,nr)   ((type)|(nr))

/* Terminal I/O ioctl commands **********************************************/

#define _TIOCVALID(c)   (_IOC_TYPE(c)==_TIOCBASE)
#define _TIOC(nr)       _IOC(_TIOCBASE,nr)

/* Terminal I/O IOCTL definitions are retained in tioctl.h */

#include <nuttx/tioctl.h>

/* Watchdog driver ioctl commands *******************************************/

#define _WDIOCVALID(c)  (_IOC_TYPE(c)==_WDIOCBASE)
#define _WDIOC(nr)      _IOC(_WDIOCBASE,nr)

#define WDIOC_KEEPALIVE _WDIOC(0x0001)    /* Restart the watchdog timer */

/* NuttX file system ioctl definitions **************************************/

#define _FIOCVALID(c)   (_IOC_TYPE(c)==_FIOCBASE)
#define _FIOC(nr)       _IOC(_FIOCBASE,nr)

#define FIOC_MMAP       _FIOC(0x0001)     /* IN:  Location to return address (void **)
                                           * OUT: If media is directly acccesible,
                                           *      return (void*) base address
                                           *      of file
                                           */
#define FIOC_REFORMAT   _FIOC(0x0002)     /* IN:  None
                                           * OUT: None
                                           */
#define FIOC_OPTIMIZE   _FIOC(0x0003)     /* IN:  None
                                           * OUT: None
                                           */

/* NuttX file system ioctl definitions **************************************/

#define _DIOCVALID(c)   (_IOC_TYPE(c)==_DIOCBASE)
#define _DIOC(nr)       _IOC(_DIOCBASE,nr)

#define DIOC_GETPRIV    _DIOC(0x0001)     /* IN:  Location to return handle (void **)
                                           * OUT: Reference to internal data
                                           *      structure.  May have a reference
                                           *      incremented.
                                           */
#define DIOC_RELPRIV    _DIOC(0x0003)     /* IN:  None
                                           * OUT: None, reference obtained by
                                           *      FIOC_GETPRIV released.
                                           */

/* NuttX block driver ioctl definitions *************************************/

#define _BIOCVALID(c)   (_IOC_TYPE(c)==_BIOCBASE)
#define _BIOC(nr)       _IOC(_BIOCBASE,nr)

#define BIOC_XIPBASE    _BIOC(0x0001)     /* Perform mapping to random access memory.
                                           * IN:  Pointer to pointer to void in
                                           *      which to received the XIP base.
                                           * OUT: If media is directly acccesible,
                                           *      return (void*) base address
                                           *      of device memory */
#define BIOC_PROBE      _BIOC(0x0002)     /* Re-probe and interface; check for media
                                           * in the slot
                                           * IN:  None
                                           * OUT: None (ioctl return value provides
                                           *      success/failure indication). */
#define BIOC_EJECT      _BIOC(0x0003)     /* Eject/disable media in the slot
                                           * IN:  None
                                           * OUT: None (ioctl return value provides
                                           *      success/failure indication). */

/* NuttX MTD driver ioctl definitions ***************************************/

#define _MTDIOCVALID(c)   (_IOC_TYPE(c)==_MTDIOCBASE)
#define _MTDIOC(nr)       _IOC(_MTDIOCBASE,nr)

#define MTDIOC_GEOMETRY   _MTDIOC(0x0001) /* IN:  Pointer to write-able struct
                                           *      mtd_geometry_s in which to receive
                                           *      receive geometry data (see mtd.h)
                                           * OUT: Geometry structure is populated
                                           *      with data for the MTD */
#define MTDIOC_XIPBASE    _MTDIOC(0x0002) /* IN:  Pointer to pointer to void in
                                           *      which to received the XIP base.
                                           * OUT: If media is directly acccesible,
                                           *      return (void*) base address
                                           *      of device memory */
#define MTDIOC_BULKERASE  _MTDIOC(0x0003) /* IN:  None
                                           * OUT: None */

/* NuttX ARP driver ioctl definitions (see netinet/arp.h) *******************/

#define _ARPIOCVALID(c)   (_IOC_TYPE(c)==_ARPIOCBASE)
#define _ARPIOC(nr)       _IOC(_ARPIOCBASE,nr)

/* NuttX touchscreen ioctl definitions (see nuttx/input/touchscreen.h) ******/

#define _TSIOCVALID(c)    (_IOC_TYPE(c)==_TSIOCBASE)
#define _TSIOC(nr)        _IOC(_TSIOCBASE,nr)

/* NuttX sensor ioctl definitions (see nuttx/sensor/*.h) ********************/

#define _SNIOCVALID(c)    (_IOC_TYPE(c)==_SNIOCBASE)
#define _SNIOC(nr)        _IOC(_SNIOCBASE,nr)

/* NuttX PWM ioctl definitions (see nuttx/pwm.h) ***************************/

#define _PWMIOCVALID(c)    (_IOC_TYPE(c)==_PWMIOCBASE)
#define _PWMIOC(nr)        _IOC(_PWMIOCBASE,nr)

/* NuttX USB CDC/ACM serial driver ioctl definitions ************************/
/* (see nuttx/usb/cdc_serial.h) */

#define _CAIOCVALID(c)    (_IOC_TYPE(c)==_CAIOCBASE)
#define _CAIOC(nr)        _IOC(_CAIOCBASE,nr)

/****************************************************************************
 * Public Type Definitions
 ****************************************************************************/

/****************************************************************************
 * Public Function Prototypes
 ****************************************************************************/

#ifdef __cplusplus
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif

#undef EXTERN
#ifdef __cplusplus
}
#endif

#endif /* __NUTTX_IOCTL_H */
