1 /* SPDX-License-Identifier: GPL-2.0 */ 2 3 #include "gpibP.h" 4 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> 11 #include <linux/mm.h> 12 #include <linux/timer.h> 13 14 #include <linux/io.h> 15 #include <linux/uaccess.h> 16 #include <asm/irq.h> 17 #include <asm/dma.h> 18 19 #define MAX_GPIB_PRIMARY_ADDRESS 30 20 #define MAX_GPIB_SECONDARY_ADDRESS 31 21 22 int gpib_allocate_board(gpib_board_t *board); 23 void gpib_deallocate_board(gpib_board_t *board); 24 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); 32