/* SPDX-License-Identifier: GPL-2.0 */ /* Parts of this driver are based on the following: * - Kvaser linux leaf driver (version 4.78) * - CAN driver for esd CAN-USB/2 * - Kvaser linux usbcanII driver (version 5.3) * - Kvaser linux mhydra driver (version 5.24) * * Copyright (C) 2002-2018 KVASER AB, Sweden. All rights reserved. * Copyright (C) 2010 Matthias Fuchs <[email protected]>, esd gmbh * Copyright (C) 2012 Olivier Sobrie <[email protected]> * Copyright (C) 2015 Valeo S.A. */ #ifndef KVASER_USB_H #define KVASER_USB_H /* Kvaser USB CAN dongles are divided into three major platforms: * - Hydra: Running firmware labeled as 'mhydra' * - Leaf: Based on Renesas M32C or Freescale i.MX28, running firmware labeled * as 'filo' * - UsbcanII: Based on Renesas M16C, running firmware labeled as 'helios' */ #include <linux/completion.h> #include <linux/ktime.h> #include <linux/math64.h> #include <linux/spinlock.h> #include <linux/types.h> #include <linux/usb.h> #include <linux/can.h> #include <linux/can/dev.h> #define KVASER_USB_MAX_RX_URBS … #define KVASER_USB_MAX_TX_URBS … #define KVASER_USB_TIMEOUT … #define KVASER_USB_RX_BUFFER_SIZE … #define KVASER_USB_MAX_NET_DEVICES … /* Kvaser USB device quirks */ #define KVASER_USB_QUIRK_HAS_SILENT_MODE … #define KVASER_USB_QUIRK_HAS_TXRX_ERRORS … #define KVASER_USB_QUIRK_IGNORE_CLK_FREQ … /* Device capabilities */ #define KVASER_USB_CAP_BERR_CAP … #define KVASER_USB_CAP_EXT_CAP … #define KVASER_USB_HYDRA_CAP_EXT_CMD … struct kvaser_usb_dev_cfg; enum kvaser_usb_leaf_family { … }; #define KVASER_USB_HYDRA_MAX_CMD_LEN … struct kvaser_usb_dev_card_data_hydra { … }; struct kvaser_usb_dev_card_data { … }; /* Context for an outstanding, not yet ACKed, transmission */ struct kvaser_usb_tx_urb_context { … }; struct kvaser_usb_busparams { … } __packed; struct kvaser_usb { … }; struct kvaser_usb_net_priv { … }; /** * struct kvaser_usb_dev_ops - Device specific functions * @dev_set_mode: used for can.do_set_mode * @dev_set_bittiming: used for can.do_set_bittiming * @dev_get_busparams: readback arbitration busparams * @dev_set_data_bittiming: used for can.do_set_data_bittiming * @dev_get_data_busparams: readback data busparams * @dev_get_berr_counter: used for can.do_get_berr_counter * * @dev_setup_endpoints: setup USB in and out endpoints * @dev_init_card: initialize card * @dev_init_channel: initialize channel * @dev_remove_channel: uninitialize channel * @dev_get_software_info: get software info * @dev_get_software_details: get software details * @dev_get_card_info: get card info * @dev_get_capabilities: discover device capabilities * * @dev_set_opt_mode: set ctrlmod * @dev_start_chip: start the CAN controller * @dev_stop_chip: stop the CAN controller * @dev_reset_chip: reset the CAN controller * @dev_flush_queue: flush outstanding CAN messages * @dev_read_bulk_callback: handle incoming commands * @dev_frame_to_cmd: translate struct can_frame into device command */ struct kvaser_usb_dev_ops { … }; struct kvaser_usb_driver_info { … }; struct kvaser_usb_dev_cfg { … }; extern const struct kvaser_usb_dev_ops kvaser_usb_hydra_dev_ops; extern const struct kvaser_usb_dev_ops kvaser_usb_leaf_dev_ops; void kvaser_usb_unlink_tx_urbs(struct kvaser_usb_net_priv *priv); int kvaser_usb_recv_cmd(const struct kvaser_usb *dev, void *cmd, int len, int *actual_len); int kvaser_usb_send_cmd(const struct kvaser_usb *dev, void *cmd, int len); int kvaser_usb_send_cmd_async(struct kvaser_usb_net_priv *priv, void *cmd, int len); int kvaser_usb_can_rx_over_error(struct net_device *netdev); extern const struct can_bittiming_const kvaser_usb_flexc_bittiming_const; static inline ktime_t kvaser_usb_ticks_to_ktime(const struct kvaser_usb_dev_cfg *cfg, u64 ticks) { … } static inline ktime_t kvaser_usb_timestamp48_to_ktime(const struct kvaser_usb_dev_cfg *cfg, const __le16 *timestamp) { … } static inline ktime_t kvaser_usb_timestamp64_to_ktime(const struct kvaser_usb_dev_cfg *cfg, __le64 timestamp) { … } #endif /* KVASER_USB_H */
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