diff options
Diffstat (limited to 'drivers/gpib/include/gpib_proto.h')
| -rw-r--r-- | drivers/gpib/include/gpib_proto.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/gpib/include/gpib_proto.h b/drivers/gpib/include/gpib_proto.h new file mode 100644 index 000000000000..42e736e3b7cd --- /dev/null +++ b/drivers/gpib/include/gpib_proto.h @@ -0,0 +1,49 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef GPIB_PROTO_INCLUDED +#define GPIB_PROTO_INCLUDED + +#include <linux/fs.h> + +int ibopen(struct inode *inode, struct file *filep); +int ibclose(struct inode *inode, struct file *file); +long ibioctl(struct file *filep, unsigned int cmd, unsigned long arg); +void os_start_timer(struct gpib_board *board, unsigned int usec_timeout); +void os_remove_timer(struct gpib_board *board); +void init_gpib_board(struct gpib_board *board); +static inline unsigned long usec_to_jiffies(unsigned int usec) +{ + unsigned long usec_per_jiffy = 1000000 / HZ; + + return 1 + (usec + usec_per_jiffy - 1) / usec_per_jiffy; +}; + +int serial_poll_all(struct gpib_board *board, unsigned int usec_timeout); +void init_gpib_descriptor(struct gpib_descriptor *desc); +int dvrsp(struct gpib_board *board, unsigned int pad, int sad, + unsigned int usec_timeout, u8 *result); +int ibcac(struct gpib_board *board, int sync, int fallback_to_async); +int ibcmd(struct gpib_board *board, u8 *buf, size_t length, size_t *bytes_written); +int ibgts(struct gpib_board *board); +int ibonline(struct gpib_board *board); +int iboffline(struct gpib_board *board); +int iblines(const struct gpib_board *board, short *lines); +int ibrd(struct gpib_board *board, u8 *buf, size_t length, int *end_flag, size_t *bytes_read); +int ibrpp(struct gpib_board *board, u8 *buf); +int ibrsv2(struct gpib_board *board, u8 status_byte, int new_reason_for_service); +int ibrsc(struct gpib_board *board, int request_control); +int ibsic(struct gpib_board *board, unsigned int usec_duration); +int ibsre(struct gpib_board *board, int enable); +int ibpad(struct gpib_board *board, unsigned int addr); +int ibsad(struct gpib_board *board, int addr); +int ibeos(struct gpib_board *board, int eos, int eosflags); +int ibwait(struct gpib_board *board, int wait_mask, int clear_mask, int set_mask, + int *status, unsigned long usec_timeout, struct gpib_descriptor *desc); +int ibwrt(struct gpib_board *board, u8 *buf, size_t cnt, int send_eoi, size_t *bytes_written); +int ibstatus(struct gpib_board *board); +int general_ibstatus(struct gpib_board *board, const struct gpib_status_queue *device, + int clear_mask, int set_mask, struct gpib_descriptor *desc); +int io_timed_out(struct gpib_board *board); +int ibppc(struct gpib_board *board, u8 configuration); + +#endif /* GPIB_PROTO_INCLUDED */ |