ppavel@26: /* can.h
ppavel@26:  * Header file for the Linux CAN-bus driver.
ppavel@26:  * Written by Arnaud Westenberg email:arnaud@wanadoo.nl
ppavel@26:  * Rewritten for new CAN queues by Pavel Pisa - OCERA team member
ppavel@26:  * email:pisa@cmp.felk.cvut.cz
ppavel@26:  * This software is released under the GPL-License.
ppavel@26:  * Version lincan-0.3  17 Jun 2004
ppavel@26:  */
ppavel@26: 
ppavel@26: #ifndef _CAN_DRVAPI_T_H
ppavel@26: #define _CAN_DRVAPI_T_H
ppavel@26: 
ppavel@26: #ifdef __KERNEL__
ppavel@26: 
ppavel@26: #include <linux/time.h>
ppavel@26: #include <linux/types.h>
ppavel@26: #include <linux/ioctl.h>
ppavel@26: 
ppavel@26: #else /* __KERNEL__ */
ppavel@26: 
ppavel@26: #include <sys/time.h>
ppavel@26: #include <sys/types.h>
ppavel@26: #include <sys/ioctl.h>
ppavel@26: 
ppavel@26: #endif /* __KERNEL__ */
ppavel@26: 
ppavel@26: #include "./canmsg.h"
ppavel@26: 
ppavel@26: #ifdef __cplusplus
ppavel@26: extern "C" {
ppavel@26: #endif
ppavel@26: 
ppavel@26: /* CAN ioctl magic number */
ppavel@26: #define CAN_IOC_MAGIC 'd'
ppavel@26: 
ppavel@26: typedef unsigned long bittiming_t;
ppavel@26: typedef unsigned short channel_t;
ppavel@26: 
ppavel@26: /**
ppavel@26:  * struct can_baudparams_t - datatype for calling CONF_BAUDPARAMS IOCTL
ppavel@26:  * @flags: reserved for additional flags for chip configuration, should be written -1 or 0
ppavel@26:  * @baudrate: baud rate in Hz
ppavel@26:  * @sjw: synchronization jump width (0-3) prescaled clock cycles
ppavel@26:  * @sampl_pt: sample point in % (0-100) sets (TSEG1+1)/(TSEG1+TSEG2+2) ratio
ppavel@26:  *
ppavel@26:  * The structure is used to configure new set of parameters into CAN controller chip.
ppavel@26:  * If default value of some field should be preserved, fill field by value -1.
ppavel@26:  */
ppavel@26: struct can_baudparams_t {
ppavel@26: 	long flags;
ppavel@26: 	long baudrate;
ppavel@26: 	long sjw;
ppavel@26: 	long sample_pt;
ppavel@26: };
ppavel@26: 
ppavel@26: /* CAN ioctl functions */
ppavel@26: #define CAN_DRV_QUERY _IO(CAN_IOC_MAGIC, 0)
ppavel@26: #define CAN_DRV_QRY_BRANCH    0	/* returns driver branch value - "LINC" for LinCAN driver */
ppavel@26: #define CAN_DRV_QRY_VERSION   1	/* returns driver version as (major<<16) | (minor<<8) | patch */
ppavel@26: #define CAN_DRV_QRY_MSGFORMAT 2	/* format of canmsg_t structure */
ppavel@26: 
ppavel@26: #define CMD_START _IOW(CAN_IOC_MAGIC, 1, channel_t)
ppavel@26: #define CMD_STOP _IOW(CAN_IOC_MAGIC, 2, channel_t)
ppavel@26: //#define CMD_RESET 3
ppavel@26: 
ppavel@26: #define CONF_BAUD _IOW(CAN_IOC_MAGIC, 4, bittiming_t)
ppavel@26: //#define CONF_ACCM
ppavel@26: //#define CONF_XTDACCM
ppavel@26: //#define CONF_TIMING
ppavel@26: //#define CONF_OMODE
ppavel@26: #define CONF_FILTER _IOW(CAN_IOC_MAGIC, 8, unsigned char)
ppavel@26: 
ppavel@26: //#define CONF_FENABLE
ppavel@26: //#define CONF_FDISABLE
ppavel@26: 
ppavel@26: #define STAT _IO(CAN_IOC_MAGIC, 9)
ppavel@26: #define CANQUE_FILTER _IOW(CAN_IOC_MAGIC, 10, struct canfilt_t)
ppavel@26: #define CANQUE_FLUSH  _IO(CAN_IOC_MAGIC, 11)
ppavel@26: #define CONF_BAUDPARAMS  _IOW(CAN_IOC_MAGIC, 11, struct can_baudparams_t)
ppavel@26: #define CANRTR_READ  _IOWR(CAN_IOC_MAGIC, 12, struct canmsg_t)
ppavel@26: 
ppavel@26: #ifdef __cplusplus
ppavel@26: } /* extern "C"*/
ppavel@26: #endif
ppavel@26: 
ppavel@26: #endif /*_CAN_DRVAPI_T_H*/