1 /* SPDX-License-Identifier: GPL-2.0 */ 2 3 #ifndef GPIB_PROTO_INCLUDED 4 #define GPIB_PROTO_INCLUDED 5 6 #include <linux/fs.h> 7 8 int ibopen(struct inode *inode, struct file *filep); 9 int ibclose(struct inode *inode, struct file *file); 10 long ibioctl(struct file *filep, unsigned int cmd, unsigned long arg); 11 void os_start_timer(struct gpib_board *board, unsigned int usec_timeout); 12 void os_remove_timer(struct gpib_board *board); 13 void init_gpib_board(struct gpib_board *board); 14 static inline unsigned long usec_to_jiffies(unsigned int usec) 15 { 16 unsigned long usec_per_jiffy = 1000000 / HZ; 17 18 return 1 + (usec + usec_per_jiffy - 1) / usec_per_jiffy; 19 }; 20 21 int serial_poll_all(struct gpib_board *board, unsigned int usec_timeout); 22 void init_gpib_descriptor(struct gpib_descriptor *desc); 23 int dvrsp(struct gpib_board *board, unsigned int pad, int sad, 24 unsigned int usec_timeout, u8 *result); 25 int ibcac(struct gpib_board *board, int sync, int fallback_to_async); 26 int ibcmd(struct gpib_board *board, u8 *buf, size_t length, size_t *bytes_written); 27 int ibgts(struct gpib_board *board); 28 int ibonline(struct gpib_board *board); 29 int iboffline(struct gpib_board *board); 30 int iblines(const struct gpib_board *board, short *lines); 31 int ibrd(struct gpib_board *board, u8 *buf, size_t length, int *end_flag, size_t *bytes_read); 32 int ibrpp(struct gpib_board *board, u8 *buf); 33 int ibrsv2(struct gpib_board *board, u8 status_byte, int new_reason_for_service); 34 int ibrsc(struct gpib_board *board, int request_control); 35 int ibsic(struct gpib_board *board, unsigned int usec_duration); 36 int ibsre(struct gpib_board *board, int enable); 37 int ibpad(struct gpib_board *board, unsigned int addr); 38 int ibsad(struct gpib_board *board, int addr); 39 int ibeos(struct gpib_board *board, int eos, int eosflags); 40 int ibwait(struct gpib_board *board, int wait_mask, int clear_mask, int set_mask, 41 int *status, unsigned long usec_timeout, struct gpib_descriptor *desc); 42 int ibwrt(struct gpib_board *board, u8 *buf, size_t cnt, int send_eoi, size_t *bytes_written); 43 int ibstatus(struct gpib_board *board); 44 int general_ibstatus(struct gpib_board *board, const struct gpib_status_queue *device, 45 int clear_mask, int set_mask, struct gpib_descriptor *desc); 46 int io_timed_out(struct gpib_board *board); 47 int ibppc(struct gpib_board *board, u8 configuration); 48 49 #endif /* GPIB_PROTO_INCLUDED */ 50