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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* CAN driver for PEAK System micro-CAN based adapters
*
* Copyright (C) 2003-2011 PEAK System-Technik GmbH
* Copyright (C) 2011-2013 Stephane Grosjean <s.grosjean@peak-system.com>
*/
#ifndef PEAK_CANFD_USER_H
#define PEAK_CANFD_USER_H
#include <linux/can/dev/peak_canfd.h>
#define PCANFD_ECHO_SKB_DEF -1
/* data structure private to each uCAN interface */
struct peak_canfd_priv {
struct can_priv can; /* socket-can private data */
struct net_device *ndev; /* network device */
int index; /* channel index */
struct can_berr_counter bec; /* rx/tx err counters */
int echo_idx; /* echo skb free slot index */
spinlock_t echo_lock;
int cmd_len;
void *cmd_buffer;
int cmd_maxlen;
int (*pre_cmd)(struct peak_canfd_priv *priv);
int (*write_cmd)(struct peak_canfd_priv *priv);
int (*post_cmd)(struct peak_canfd_priv *priv);
int (*enable_tx_path)(struct peak_canfd_priv *priv);
void *(*alloc_tx_msg)(struct peak_canfd_priv *priv, u16 msg_size,
int *room_left);
int (*write_tx_msg)(struct peak_canfd_priv *priv,
struct pucan_tx_msg *msg);
};
struct net_device *alloc_peak_canfd_dev(int sizeof_priv, int index,
int echo_skb_max);
int peak_canfd_handle_msg(struct peak_canfd_priv *priv,
struct pucan_rx_msg *msg);
int peak_canfd_handle_msgs_list(struct peak_canfd_priv *priv,
struct pucan_rx_msg *rx_msg, int rx_count);
#endif
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