/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

/***************************************************************************
 *    copyright            : (C) 2002 by Frank Mori Hess
 ***************************************************************************/

#ifndef _GPIB_IOCTL_H
#define _GPIB_IOCTL_H

#include <asm/ioctl.h>
#include <linux/types.h>

#define GPIB_CODE 160

struct gpib_board_type_ioctl {
        char name[100];
};

/* argument for read/write/command ioctls */
struct gpib_read_write_ioctl {
        __u64 buffer_ptr;
        __u32 requested_transfer_count;
        __u32 completed_transfer_count;
        __s32 end; /* end flag return for reads, end io suppression request for cmd*/
        __s32 handle;
};

struct gpib_open_dev_ioctl {
        __u32 handle;
        __u32 pad;
        __s32 sad;
        __u32 is_board;
};

struct gpib_close_dev_ioctl {
        __u32 handle;
};

struct gpib_serial_poll_ioctl {
        __u32 pad;
        __s32 sad;
        __u8 status_byte;
        __u8 padding[3];   /* align to 32 bit boundary */
};

struct gpib_eos_ioctl {
        __s32 eos;
        __s32 eos_flags;
};

struct gpib_wait_ioctl {
        __s32 handle;
        __s32 wait_mask;
        __s32 clear_mask;
        __s32 set_mask;
        __s32 ibsta;
        __s32 pad;
        __s32 sad;
        __u32 usec_timeout;
};

struct gpib_online_ioctl {
        __u64 init_data_ptr;
        __s32 init_data_length;
        __s32 online;
};

struct gpib_spoll_bytes_ioctl {
        __u32 num_bytes;
        __u32 pad;
        __s32 sad;
};

struct gpib_board_info_ioctl {
        __u32 pad;
        __s32 sad;
        __s32 parallel_poll_configuration;
        __s32 autopolling;
        __s32 is_system_controller;
        __u32 t1_delay;
        unsigned ist : 1;
        unsigned no_7_bit_eos : 1;
        unsigned padding :30; /* align to 32 bit boundary */
};

struct gpib_select_pci_ioctl {
        __s32 pci_bus;
        __s32 pci_slot;
};

struct gpib_ppoll_config_ioctl {
        __u8 config;
        unsigned set_ist : 1;
        unsigned clear_ist : 1;
        unsigned padding :22; /* align to 32 bit boundary */
};

struct gpib_pad_ioctl {
        __u32 handle;
        __u32 pad;
};

struct gpib_sad_ioctl {
        __u32 handle;
        __s32 sad;
};

/* select a piece of hardware to attach by its sysfs device path */
struct gpib_select_device_path_ioctl {
        char device_path[0x1000];
};

/* update status byte and request service */
struct gpib_request_service2 {
        __u8 status_byte;
        __u8 padding[3]; /* align to 32 bit boundary */
        __s32 new_reason_for_service;
};

/* Standard functions. */
enum gpib_ioctl {
        IBRD = _IOWR(GPIB_CODE, 100, struct gpib_read_write_ioctl),
        IBWRT = _IOWR(GPIB_CODE, 101, struct gpib_read_write_ioctl),
        IBCMD = _IOWR(GPIB_CODE, 102, struct gpib_read_write_ioctl),
        IBOPENDEV = _IOWR(GPIB_CODE, 3, struct gpib_open_dev_ioctl),
        IBCLOSEDEV = _IOW(GPIB_CODE, 4, struct gpib_close_dev_ioctl),
        IBWAIT = _IOWR(GPIB_CODE, 5, struct gpib_wait_ioctl),
        IBRPP = _IOWR(GPIB_CODE, 6, __u8),

        IBSIC = _IOW(GPIB_CODE, 9, __u32),
        IBSRE = _IOW(GPIB_CODE, 10, __s32),
        IBGTS = _IO(GPIB_CODE, 11),
        IBCAC = _IOW(GPIB_CODE, 12, __s32),
        IBLINES = _IOR(GPIB_CODE, 14, __s16),
        IBPAD = _IOW(GPIB_CODE, 15, struct gpib_pad_ioctl),
        IBSAD = _IOW(GPIB_CODE, 16, struct gpib_sad_ioctl),
        IBTMO = _IOW(GPIB_CODE, 17, __u32),
        IBRSP = _IOWR(GPIB_CODE, 18, struct gpib_serial_poll_ioctl),
        IBEOS = _IOW(GPIB_CODE, 19, struct gpib_eos_ioctl),
        IBRSV = _IOW(GPIB_CODE, 20, __u8),
        CFCBASE = _IOW(GPIB_CODE, 21, __u64),
        CFCIRQ = _IOW(GPIB_CODE, 22, __u32),
        CFCDMA = _IOW(GPIB_CODE, 23, __u32),
        CFCBOARDTYPE = _IOW(GPIB_CODE, 24, struct gpib_board_type_ioctl),

        IBMUTEX = _IOW(GPIB_CODE, 26, __s32),
        IBSPOLL_BYTES = _IOWR(GPIB_CODE, 27, struct gpib_spoll_bytes_ioctl),
        IBPPC = _IOW(GPIB_CODE, 28, struct gpib_ppoll_config_ioctl),
        IBBOARD_INFO = _IOR(GPIB_CODE, 29, struct gpib_board_info_ioctl),

        IBQUERY_BOARD_RSV = _IOR(GPIB_CODE, 31, __s32),
        IBSELECT_PCI = _IOWR(GPIB_CODE, 32, struct gpib_select_pci_ioctl),
        IBEVENT = _IOR(GPIB_CODE, 33, __s16),
        IBRSC = _IOW(GPIB_CODE, 34, __s32),
        IB_T1_DELAY = _IOW(GPIB_CODE, 35, __u32),
        IBLOC = _IO(GPIB_CODE, 36),

        IBAUTOSPOLL = _IOW(GPIB_CODE, 38, __s16),
        IBONL = _IOW(GPIB_CODE, 39, struct gpib_online_ioctl),
        IBPP2_SET = _IOW(GPIB_CODE, 40, __s16),
        IBPP2_GET = _IOR(GPIB_CODE, 41, __s16),
        IBSELECT_DEVICE_PATH = _IOW(GPIB_CODE, 43, struct gpib_select_device_path_ioctl),
        /* 44 was IBSELECT_SERIAL_NUMBER */
        IBRSV2 = _IOW(GPIB_CODE, 45, struct gpib_request_service2)
};

#endif  /* _GPIB_IOCTL_H */