etisserant@145: /* can.h
etisserant@145:  * Header file for the Linux CAN-bus driver.
etisserant@145:  * Written by Arnaud Westenberg email:arnaud@wanadoo.nl
etisserant@145:  * Rewritten for new CAN queues by Pavel Pisa - OCERA team member
etisserant@145:  * email:pisa@cmp.felk.cvut.cz
etisserant@145:  * This software is released under the GPL-License.
etisserant@145:  * Version lincan-0.3  17 Jun 2004
etisserant@145:  */
etisserant@145: 
etisserant@145: #ifndef _CAN_DRVAPI_T_H
etisserant@145: #define _CAN_DRVAPI_T_H
etisserant@145: 
etisserant@145: #ifdef __KERNEL__
etisserant@145: 
etisserant@145: #include <linux/time.h>
etisserant@145: #include <linux/types.h>
etisserant@145: #include <linux/ioctl.h>
etisserant@145: 
etisserant@145: #else /* __KERNEL__ */
etisserant@145: 
etisserant@145: #include <sys/time.h>
etisserant@145: #include <sys/types.h>
etisserant@145: #include <sys/ioctl.h>
etisserant@145: 
etisserant@145: #endif /* __KERNEL__ */
etisserant@145: 
etisserant@145: #include "./canmsg.h"
etisserant@145: 
etisserant@145: #ifdef __cplusplus
etisserant@145: extern "C" {
etisserant@145: #endif
etisserant@145: 
etisserant@145: /* CAN ioctl magic number */
etisserant@145: #define CAN_IOC_MAGIC 'd'
etisserant@145: 
etisserant@145: typedef unsigned long bittiming_t;
etisserant@145: typedef unsigned short channel_t;
etisserant@145: 
etisserant@145: /**
etisserant@145:  * struct can_baudparams_t - datatype for calling CONF_BAUDPARAMS IOCTL
etisserant@145:  * @flags: reserved for additional flags for chip configuration, should be written -1 or 0
etisserant@145:  * @baudrate: baud rate in Hz
etisserant@145:  * @sjw: synchronization jump width (0-3) prescaled clock cycles
etisserant@145:  * @sampl_pt: sample point in % (0-100) sets (TSEG1+1)/(TSEG1+TSEG2+2) ratio
etisserant@145:  *
etisserant@145:  * The structure is used to configure new set of parameters into CAN controller chip.
etisserant@145:  * If default value of some field should be preserved, fill field by value -1.
etisserant@145:  */
etisserant@145: struct can_baudparams_t {
etisserant@145: 	long flags;
etisserant@145: 	long baudrate;
etisserant@145: 	long sjw;
etisserant@145: 	long sample_pt;
etisserant@145: };
etisserant@145: 
etisserant@145: /* CAN ioctl functions */
etisserant@145: #define CAN_DRV_QUERY _IO(CAN_IOC_MAGIC, 0)
etisserant@145: #define CAN_DRV_QRY_BRANCH    0	/* returns driver branch value - "LINC" for LinCAN driver */
etisserant@145: #define CAN_DRV_QRY_VERSION   1	/* returns driver version as (major<<16) | (minor<<8) | patch */
etisserant@145: #define CAN_DRV_QRY_MSGFORMAT 2	/* format of canmsg_t structure */
etisserant@145: 
etisserant@145: #define CMD_START _IOW(CAN_IOC_MAGIC, 1, channel_t)
etisserant@145: #define CMD_STOP _IOW(CAN_IOC_MAGIC, 2, channel_t)
etisserant@145: //#define CMD_RESET 3
etisserant@145: 
etisserant@145: #define CONF_BAUD _IOW(CAN_IOC_MAGIC, 4, bittiming_t)
etisserant@145: //#define CONF_ACCM
etisserant@145: //#define CONF_XTDACCM
etisserant@145: //#define CONF_TIMING
etisserant@145: //#define CONF_OMODE
etisserant@145: #define CONF_FILTER _IOW(CAN_IOC_MAGIC, 8, unsigned char)
etisserant@145: 
etisserant@145: //#define CONF_FENABLE
etisserant@145: //#define CONF_FDISABLE
etisserant@145: 
etisserant@145: #define STAT _IO(CAN_IOC_MAGIC, 9)
etisserant@145: #define CANQUE_FILTER _IOW(CAN_IOC_MAGIC, 10, struct canfilt_t)
etisserant@145: #define CANQUE_FLUSH  _IO(CAN_IOC_MAGIC, 11)
etisserant@145: #define CONF_BAUDPARAMS  _IOW(CAN_IOC_MAGIC, 11, struct can_baudparams_t)
etisserant@145: #define CANRTR_READ  _IOWR(CAN_IOC_MAGIC, 12, struct canmsg_t)
etisserant@145: 
etisserant@145: #ifdef __cplusplus
etisserant@145: } /* extern "C"*/
etisserant@145: #endif
etisserant@145: 
etisserant@145: #endif /*_CAN_DRVAPI_T_H*/