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OpenCloudOS-Kernel/drivers/net/can/peak_canfd/peak_canfd_user.h

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treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 285 Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation version 2 of the license this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 100 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141900.918357685@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-29 22:17:59 +08:00
/* SPDX-License-Identifier: GPL-2.0-only */
can: peak: add support for PEAK PCAN-PCIe FD CAN-FD boards This patch adds the support of the PCAN-PCI Express FD boards made by PEAK-System, for computers using the PCI Express slot. The PCAN-PCI Express FD has one or two CAN FD channels, depending on the model. A galvanic isolation of the CAN ports protects the electronics of the card and the respective computer against disturbances of up to 500 Volts. The PCAN-PCI Express FD can be operated with ambient temperatures in a range of -40 to +85 °C. Such boards run an extented version of the CAN-FD IP running into USB CAN-FD interfaces from PEAK-System, so this patch adds several new commands and their corresponding data types to the PEAK CAN-FD common definitions header file too. Signed-off-by: Stephane Grosjean <s.grosjean@peak-system.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2017-01-19 23:31:07 +08:00
/*
* 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