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/* can.h

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 * Header file for the Linux CAN-bus driver.

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 * Written by Arnaud Westenberg email:arnaud@wanadoo.nl

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 * Rewritten for new CAN queues by Pavel Pisa - OCERA team member

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 * email:pisa@cmp.felk.cvut.cz

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 * This software is released under the GPL-License.

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 * Version lincan-0.3  17 Jun 2004

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 */

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#ifndef _CAN_DRVAPI_T_H

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#define _CAN_DRVAPI_T_H

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#ifdef __KERNEL__

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#include <linux/time.h>

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#include <linux/types.h>

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#include <linux/ioctl.h>

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#else /* __KERNEL__ */

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#include <sys/time.h>

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#include <sys/types.h>

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#include <sys/ioctl.h>

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#endif /* __KERNEL__ */

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#include "./canmsg.h"

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#ifdef __cplusplus

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extern "C" {

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#endif

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/* CAN ioctl magic number */

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#define CAN_IOC_MAGIC 'd'

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typedef unsigned long bittiming_t;

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typedef unsigned short channel_t;

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/**

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 * struct can_baudparams_t - datatype for calling CONF_BAUDPARAMS IOCTL

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 * @flags: reserved for additional flags for chip configuration, should be written -1 or 0

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 * @baudrate: baud rate in Hz

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 * @sjw: synchronization jump width (0-3) prescaled clock cycles

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 * @sampl_pt: sample point in % (0-100) sets (TSEG1+1)/(TSEG1+TSEG2+2) ratio

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 *

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 * The structure is used to configure new set of parameters into CAN controller chip.

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 * If default value of some field should be preserved, fill field by value -1.

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 */

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struct can_baudparams_t {

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	long flags;

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	long baudrate;

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	long sjw;

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	long sample_pt;

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};

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/* CAN ioctl functions */

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#define CAN_DRV_QUERY _IO(CAN_IOC_MAGIC, 0)

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#define CAN_DRV_QRY_BRANCH    0	/* returns driver branch value - "LINC" for LinCAN driver */

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#define CAN_DRV_QRY_VERSION   1	/* returns driver version as (major<<16) | (minor<<8) | patch */

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#define CAN_DRV_QRY_MSGFORMAT 2	/* format of canmsg_t structure */

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#define CMD_START _IOW(CAN_IOC_MAGIC, 1, channel_t)

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#define CMD_STOP _IOW(CAN_IOC_MAGIC, 2, channel_t)

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//#define CMD_RESET 3

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#define CONF_BAUD _IOW(CAN_IOC_MAGIC, 4, bittiming_t)

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//#define CONF_ACCM

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//#define CONF_XTDACCM

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//#define CONF_TIMING

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//#define CONF_OMODE

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#define CONF_FILTER _IOW(CAN_IOC_MAGIC, 8, unsigned char)

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//#define CONF_FENABLE

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//#define CONF_FDISABLE

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#define STAT _IO(CAN_IOC_MAGIC, 9)

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#define CANQUE_FILTER _IOW(CAN_IOC_MAGIC, 10, struct canfilt_t)

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#define CANQUE_FLUSH  _IO(CAN_IOC_MAGIC, 11)

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#define CONF_BAUDPARAMS  _IOW(CAN_IOC_MAGIC, 11, struct can_baudparams_t)

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#define CANRTR_READ  _IOWR(CAN_IOC_MAGIC, 12, struct canmsg_t)

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#ifdef __cplusplus

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} /* extern "C"*/

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#endif

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#endif /*_CAN_DRVAPI_T_H*/