1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <linux/kernel.h>
6 #include <linux/sched.h>
7 #include <linux/errno.h>
8 #include <linux/major.h>
9 #include <linux/module.h>
10 #include <linux/slab.h>
12 #include <linux/timer.h>
15 #include <linux/uaccess.h>
19 #define MAX_GPIB_PRIMARY_ADDRESS 30
20 #define MAX_GPIB_SECONDARY_ADDRESS 31
22 int gpib_allocate_board(gpib_board_t *board);
23 void gpib_deallocate_board(gpib_board_t *board);
25 unsigned int num_status_bytes(const gpib_status_queue_t *dev);
26 int push_status_byte(gpib_board_t *board, gpib_status_queue_t *device, uint8_t poll_byte);
27 int pop_status_byte(gpib_board_t *board, gpib_status_queue_t *device, uint8_t *poll_byte);
28 gpib_status_queue_t *get_gpib_status_queue(gpib_board_t *board, unsigned int pad, int sad);
29 int get_serial_poll_byte(gpib_board_t *board, unsigned int pad, int sad,
30 unsigned int usec_timeout, uint8_t *poll_byte);
31 int autopoll_all_devices(gpib_board_t *board);