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lastdragon
2026-09-06 12:53:21 -06:00
parent 662efe3c2a
commit ad2088d178
94853 changed files with 43200404 additions and 0 deletions
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linux-7.2.3/drivers/net/can/usb/peak_usb/Makefile
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# SPDX-License-Identifier: GPL-2.0-only
obj-$(CONFIG_CAN_PEAK_USB) += peak_usb.o
peak_usb-y = pcan_usb_core.o pcan_usb.o pcan_usb_pro.o pcan_usb_fd.o
linux-7.2.3/drivers/net/can/usb/peak_usb/pcan_usb.c
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linux-7.2.3/drivers/net/can/usb/peak_usb/pcan_usb_core.c
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linux-7.2.3/drivers/net/can/usb/peak_usb/pcan_usb_core.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* CAN driver for PEAK System USB adapters
* Derived from the PCAN project file driver/src/pcan_usb_core.c
*
* Copyright (C) 2003-2025 PEAK System-Technik GmbH
* Author: Stéphane Grosjean <s.grosjean@peak-system.fr>
*
* Many thanks to Klaus Hitschler <klaus.hitschler@gmx.de>
*/
#ifndef PCAN_USB_CORE_H
#define PCAN_USB_CORE_H
/* PEAK-System vendor id. */
#define PCAN_USB_VENDOR_ID 0x0c72
/* supported device ids. */
#define PCAN_USB_PRODUCT_ID 0x000c
#define PCAN_USBPRO_PRODUCT_ID 0x000d
#define PCAN_USBPROFD_PRODUCT_ID 0x0011
#define PCAN_USBFD_PRODUCT_ID 0x0012
#define PCAN_USBCHIP_PRODUCT_ID 0x0013
#define PCAN_USBX6_PRODUCT_ID 0x0014
#define PCAN_USB_DRIVER_NAME "peak_usb"
/* number of urbs that are submitted for rx/tx per channel */
#define PCAN_USB_MAX_RX_URBS 4
#define PCAN_USB_MAX_TX_URBS 10
/* usb adapters maximum channels per usb interface */
#define PCAN_USB_MAX_CHANNEL 2
/* maximum length of the usb commands sent to/received from the devices */
#define PCAN_USB_MAX_CMD_LEN 32
struct peak_usb_device;
/* PEAK-System USB adapter descriptor */
struct peak_usb_adapter {
char *name;
u32 device_id;
u32 ctrlmode_supported;
struct can_clock clock;
const struct can_bittiming_const * const bittiming_const;
const struct can_bittiming_const * const data_bittiming_const;
unsigned int ctrl_count;
const struct ethtool_ops *ethtool_ops;
int (*intf_probe)(struct usb_interface *intf);
int (*dev_init)(struct peak_usb_device *dev);
void (*dev_exit)(struct peak_usb_device *dev);
void (*dev_free)(struct peak_usb_device *dev);
int (*dev_open)(struct peak_usb_device *dev);
int (*dev_close)(struct peak_usb_device *dev);
int (*dev_set_bittiming)(struct peak_usb_device *dev,
struct can_bittiming *bt);
int (*dev_set_data_bittiming)(struct peak_usb_device *dev,
struct can_bittiming *bt);
int (*dev_set_bus)(struct peak_usb_device *dev, u8 onoff);
int (*dev_get_can_channel_id)(struct peak_usb_device *dev, u32 *can_ch_id);
int (*dev_set_can_channel_id)(struct peak_usb_device *dev, u32 can_ch_id);
int (*dev_decode_buf)(struct peak_usb_device *dev, struct urb *urb);
int (*dev_encode_msg)(struct peak_usb_device *dev, struct sk_buff *skb,
u8 *obuf, size_t *size);
int (*dev_start)(struct peak_usb_device *dev);
int (*dev_stop)(struct peak_usb_device *dev);
int (*dev_restart_async)(struct peak_usb_device *dev, struct urb *urb,
u8 *buf);
int (*do_get_berr_counter)(const struct net_device *netdev,
struct can_berr_counter *bec);
u8 ep_msg_in;
u8 ep_msg_out[PCAN_USB_MAX_CHANNEL];
u8 ts_used_bits;
u8 us_per_ts_shift;
u32 us_per_ts_scale;
int rx_buffer_size;
int tx_buffer_size;
int sizeof_dev_private;
};
extern const struct peak_usb_adapter pcan_usb;
extern const struct peak_usb_adapter pcan_usb_pro;
extern const struct peak_usb_adapter pcan_usb_fd;
extern const struct peak_usb_adapter pcan_usb_chip;
extern const struct peak_usb_adapter pcan_usb_pro_fd;
extern const struct peak_usb_adapter pcan_usb_x6;
struct peak_time_ref {
ktime_t tv_host_0, tv_host;
u32 ts_dev_1, ts_dev_2;
u64 ts_total;
u32 tick_count;
const struct peak_usb_adapter *adapter;
};
struct peak_tx_urb_context {
struct peak_usb_device *dev;
u32 echo_index;
struct urb *urb;
};
#define PCAN_USB_STATE_CONNECTED 0x00000001
#define PCAN_USB_STATE_STARTED 0x00000002
/* PEAK-System USB device */
struct peak_usb_device {
struct can_priv can;
const struct peak_usb_adapter *adapter;
unsigned int ctrl_idx;
u32 state;
struct usb_device *udev;
struct net_device *netdev;
atomic_t active_tx_urbs;
struct usb_anchor tx_submitted;
struct peak_tx_urb_context tx_contexts[PCAN_USB_MAX_TX_URBS];
u8 *cmd_buf;
struct usb_anchor rx_submitted;
/* equivalent to the device ID in the Windows API */
u32 can_channel_id;
u8 device_rev;
u8 ep_msg_in;
u8 ep_msg_out;
struct peak_usb_device *prev_siblings;
struct peak_usb_device *next_siblings;
};
void pcan_dump_mem(const char *prompt, const void *p, int l);
/* common timestamp management */
void peak_usb_init_time_ref(struct peak_time_ref *time_ref,
const struct peak_usb_adapter *adapter);
void peak_usb_update_ts_now(struct peak_time_ref *time_ref, u32 ts_now);
void peak_usb_set_ts_now(struct peak_time_ref *time_ref, u32 ts_now);
void peak_usb_get_ts_time(struct peak_time_ref *time_ref, u32 ts, ktime_t *tv);
int peak_usb_netif_rx_64(struct sk_buff *skb, u32 ts_low, u32 ts_high);
void peak_usb_async_complete(struct urb *urb);
void peak_usb_restart_complete(struct peak_usb_device *dev);
int pcan_get_ts_info(struct net_device *dev, struct kernel_ethtool_ts_info *info);
/* common 32-bit CAN channel ID ethtool management */
int peak_usb_get_eeprom_len(struct net_device *netdev);
int peak_usb_get_eeprom(struct net_device *netdev,
struct ethtool_eeprom *eeprom, u8 *data);
int peak_usb_set_eeprom(struct net_device *netdev,
struct ethtool_eeprom *eeprom, u8 *data);
#endif
linux-7.2.3/drivers/net/can/usb/peak_usb/pcan_usb_fd.c
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linux-7.2.3/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
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linux-7.2.3/drivers/net/can/usb/peak_usb/pcan_usb_pro.h
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* CAN driver for PEAK System PCAN-USB Pro adapter
* Derived from the PCAN project file driver/src/pcan_usbpro_fw.h
*
* Copyright (C) 2003-2025 PEAK System-Technik GmbH
* Author: Stéphane Grosjean <s.grosjean@peak-system.fr>
*/
#ifndef PCAN_USB_PRO_H
#define PCAN_USB_PRO_H
/*
* USB Vendor request data types
*/
#define PCAN_USBPRO_REQ_INFO 0
#define PCAN_USBPRO_REQ_FCT 2
/* Vendor Request value for XXX_INFO */
#define PCAN_USBPRO_INFO_BL 0
#define PCAN_USBPRO_INFO_FW 1
/* PCAN-USB Pro (FD) Endpoints */
#define PCAN_USBPRO_EP_CMDOUT 1
#define PCAN_USBPRO_EP_CMDIN (PCAN_USBPRO_EP_CMDOUT | USB_DIR_IN)
#define PCAN_USBPRO_EP_MSGOUT_0 2
#define PCAN_USBPRO_EP_MSGIN (PCAN_USBPRO_EP_MSGOUT_0 | USB_DIR_IN)
#define PCAN_USBPRO_EP_MSGOUT_1 3
#define PCAN_USBPRO_EP_UNUSED (PCAN_USBPRO_EP_MSGOUT_1 | USB_DIR_IN)
/* Vendor Request value for XXX_FCT */
#define PCAN_USBPRO_FCT_DRVLD 5 /* tell device driver is loaded */
#define PCAN_USBPRO_FCT_DRVLD_REQ_LEN 16
/* PCAN_USBPRO_INFO_BL vendor request record type */
struct __packed pcan_usb_pro_blinfo {
__le32 ctrl_type;
u8 version[4];
u8 day;
u8 month;
u8 year;
u8 dummy;
__le32 serial_num_hi;
__le32 serial_num_lo;
__le32 hw_type;
__le32 hw_rev;
};
/* PCAN_USBPRO_INFO_FW vendor request record type */
struct __packed pcan_usb_pro_fwinfo {
__le32 ctrl_type;
u8 version[4];
u8 day;
u8 month;
u8 year;
u8 dummy;
__le32 fw_type;
};
/*
* USB Command record types
*/
#define PCAN_USBPRO_SETBTR 0x02
#define PCAN_USBPRO_SETBUSACT 0x04
#define PCAN_USBPRO_SETSILENT 0x05
#define PCAN_USBPRO_SETDEVID 0x06
#define PCAN_USBPRO_SETFILTR 0x0a
#define PCAN_USBPRO_SETTS 0x10
#define PCAN_USBPRO_GETDEVID 0x12
#define PCAN_USBPRO_SETLED 0x1C
#define PCAN_USBPRO_RXMSG8 0x80
#define PCAN_USBPRO_RXMSG4 0x81
#define PCAN_USBPRO_RXMSG0 0x82
#define PCAN_USBPRO_RXRTR 0x83
#define PCAN_USBPRO_RXSTATUS 0x84
#define PCAN_USBPRO_RXTS 0x85
#define PCAN_USBPRO_TXMSG8 0x41
#define PCAN_USBPRO_TXMSG4 0x42
#define PCAN_USBPRO_TXMSG0 0x43
/* record structures */
struct __packed pcan_usb_pro_btr {
u8 data_type;
u8 channel;
__le16 dummy;
__le32 CCBT;
};
struct __packed pcan_usb_pro_busact {
u8 data_type;
u8 channel;
__le16 onoff;
};
struct __packed pcan_usb_pro_silent {
u8 data_type;
u8 channel;
__le16 onoff;
};
struct __packed pcan_usb_pro_filter {
u8 data_type;
u8 dummy;
__le16 filter_mode;
};
struct __packed pcan_usb_pro_setts {
u8 data_type;
u8 dummy;
__le16 mode;
};
struct __packed pcan_usb_pro_devid {
u8 data_type;
u8 channel;
__le16 dummy;
__le32 dev_num;
};
#define PCAN_USBPRO_LED_DEVICE 0x00
#define PCAN_USBPRO_LED_BLINK_FAST 0x01
#define PCAN_USBPRO_LED_BLINK_SLOW 0x02
#define PCAN_USBPRO_LED_ON 0x03
#define PCAN_USBPRO_LED_OFF 0x04
struct __packed pcan_usb_pro_setled {
u8 data_type;
u8 channel;
__le16 mode;
__le32 timeout;
};
struct __packed pcan_usb_pro_rxmsg {
u8 data_type;
u8 client;
u8 flags;
u8 len;
__le32 ts32;
__le32 id;
u8 data[8];
};
#define PCAN_USBPRO_STATUS_ERROR 0x0001
#define PCAN_USBPRO_STATUS_BUS 0x0002
#define PCAN_USBPRO_STATUS_OVERRUN 0x0004
#define PCAN_USBPRO_STATUS_QOVERRUN 0x0008
struct __packed pcan_usb_pro_rxstatus {
u8 data_type;
u8 channel;
__le16 status;
__le32 ts32;
__le32 err_frm;
};
struct __packed pcan_usb_pro_rxts {
u8 data_type;
u8 dummy[3];
__le32 ts64[2];
};
struct __packed pcan_usb_pro_txmsg {
u8 data_type;
u8 client;
u8 flags;
u8 len;
__le32 id;
u8 data[8];
};
union pcan_usb_pro_rec {
u8 data_type;
struct pcan_usb_pro_btr btr;
struct pcan_usb_pro_busact bus_act;
struct pcan_usb_pro_silent silent_mode;
struct pcan_usb_pro_filter filter_mode;
struct pcan_usb_pro_setts ts;
struct pcan_usb_pro_devid dev_id;
struct pcan_usb_pro_setled set_led;
struct pcan_usb_pro_rxmsg rx_msg;
struct pcan_usb_pro_rxstatus rx_status;
struct pcan_usb_pro_rxts rx_ts;
struct pcan_usb_pro_txmsg tx_msg;
};
int pcan_usb_pro_probe(struct usb_interface *intf);
int pcan_usb_pro_send_req(struct peak_usb_device *dev, int req_id,
int req_value, void *req_addr, int req_size);
void pcan_usb_pro_restart_complete(struct urb *urb);
#endif