mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-03 17:40:04 +00:00
can: peak_usb: add support for PEAK new CANFD USB adapters
Add support for the following new PEAK-System technik CANFD USB adapters: PCAN-USB FD single CANFD channel USB adapter PCAN-USB Pro FD dual CANFD channels USB adapter Signed-off-by: Stephane Grosjean <s.grosjean@peak-system.com> Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Acked-by: Andri Yngvason <andri.yngvason@marel.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
parent
faa233d902
commit
0a25e1f4f1
6 changed files with 1337 additions and 4 deletions
|
@ -59,10 +59,18 @@ config CAN_KVASER_USB
|
|||
module will be called kvaser_usb.
|
||||
|
||||
config CAN_PEAK_USB
|
||||
tristate "PEAK PCAN-USB/USB Pro interfaces"
|
||||
tristate "PEAK PCAN-USB/USB Pro interfaces for CAN 2.0b/CAN-FD"
|
||||
---help---
|
||||
This driver supports the PCAN-USB and PCAN-USB Pro adapters
|
||||
from PEAK-System Technik (http://www.peak-system.com).
|
||||
This driver supports the PEAK-System Technik USB adapters that enable
|
||||
access to the CAN bus, with repect to the CAN 2.0b and/or CAN-FD
|
||||
standards, that is:
|
||||
|
||||
PCAN-USB single CAN 2.0b channel USB adapter
|
||||
PCAN-USB Pro dual CAN 2.0b channels USB adapter
|
||||
PCAN-USB FD single CAN-FD channel USB adapter
|
||||
PCAN-USB Pro FD dual CAN-FD channels USB adapter
|
||||
|
||||
(see also http://www.peak-system.com).
|
||||
|
||||
config CAN_8DEV_USB
|
||||
tristate "8 devices USB2CAN interface"
|
||||
|
|
|
@ -1,2 +1,2 @@
|
|||
obj-$(CONFIG_CAN_PEAK_USB) += peak_usb.o
|
||||
peak_usb-y = pcan_usb_core.o pcan_usb.o pcan_usb_pro.o
|
||||
peak_usb-y = pcan_usb_core.o pcan_usb.o pcan_usb_pro.o pcan_usb_fd.o
|
||||
|
|
222
drivers/net/can/usb/peak_usb/pcan_ucan.h
Normal file
222
drivers/net/can/usb/peak_usb/pcan_ucan.h
Normal file
|
@ -0,0 +1,222 @@
|
|||
/*
|
||||
* 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>
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
#ifndef PUCAN_H
|
||||
#define PUCAN_H
|
||||
|
||||
/* uCAN commands opcodes list (low-order 10 bits) */
|
||||
#define PUCAN_CMD_NOP 0x000
|
||||
#define PUCAN_CMD_RESET_MODE 0x001
|
||||
#define PUCAN_CMD_NORMAL_MODE 0x002
|
||||
#define PUCAN_CMD_LISTEN_ONLY_MODE 0x003
|
||||
#define PUCAN_CMD_TIMING_SLOW 0x004
|
||||
#define PUCAN_CMD_TIMING_FAST 0x005
|
||||
#define PUCAN_CMD_FILTER_STD 0x008
|
||||
#define PUCAN_CMD_TX_ABORT 0x009
|
||||
#define PUCAN_CMD_WR_ERR_CNT 0x00a
|
||||
#define PUCAN_CMD_RX_FRAME_ENABLE 0x00b
|
||||
#define PUCAN_CMD_RX_FRAME_DISABLE 0x00c
|
||||
#define PUCAN_CMD_END_OF_COLLECTION 0x3ff
|
||||
|
||||
/* uCAN received messages list */
|
||||
#define PUCAN_MSG_CAN_RX 0x0001
|
||||
#define PUCAN_MSG_ERROR 0x0002
|
||||
#define PUCAN_MSG_STATUS 0x0003
|
||||
#define PUCAN_MSG_BUSLOAD 0x0004
|
||||
#define PUCAN_MSG_CAN_TX 0x1000
|
||||
|
||||
/* uCAN command common header */
|
||||
struct __packed pucan_command {
|
||||
__le16 opcode_channel;
|
||||
u16 args[3];
|
||||
};
|
||||
|
||||
/* uCAN TIMING_SLOW command fields */
|
||||
#define PUCAN_TSLOW_SJW_T(s, t) (((s) & 0xf) | ((!!(t)) << 7))
|
||||
#define PUCAN_TSLOW_TSEG2(t) ((t) & 0xf)
|
||||
#define PUCAN_TSLOW_TSEG1(t) ((t) & 0x3f)
|
||||
#define PUCAN_TSLOW_BRP(b) ((b) & 0x3ff)
|
||||
|
||||
struct __packed pucan_timing_slow {
|
||||
__le16 opcode_channel;
|
||||
|
||||
u8 ewl; /* Error Warning limit */
|
||||
u8 sjw_t; /* Sync Jump Width + Triple sampling */
|
||||
u8 tseg2; /* Timing SEGment 2 */
|
||||
u8 tseg1; /* Timing SEGment 1 */
|
||||
|
||||
__le16 brp; /* BaudRate Prescaler */
|
||||
};
|
||||
|
||||
/* uCAN TIMING_FAST command fields */
|
||||
#define PUCAN_TFAST_SJW(s) ((s) & 0x3)
|
||||
#define PUCAN_TFAST_TSEG2(t) ((t) & 0x7)
|
||||
#define PUCAN_TFAST_TSEG1(t) ((t) & 0xf)
|
||||
#define PUCAN_TFAST_BRP(b) ((b) & 0x3ff)
|
||||
|
||||
struct __packed pucan_timing_fast {
|
||||
__le16 opcode_channel;
|
||||
|
||||
u8 unused;
|
||||
u8 sjw; /* Sync Jump Width */
|
||||
u8 tseg2; /* Timing SEGment 2 */
|
||||
u8 tseg1; /* Timing SEGment 1 */
|
||||
|
||||
__le16 brp; /* BaudRate Prescaler */
|
||||
};
|
||||
|
||||
/* uCAN FILTER_STD command fields */
|
||||
#define PUCAN_FLTSTD_ROW_IDX_BITS 6
|
||||
|
||||
struct __packed pucan_filter_std {
|
||||
__le16 opcode_channel;
|
||||
|
||||
__le16 idx;
|
||||
__le32 mask; /* CAN-ID bitmask in idx range */
|
||||
};
|
||||
|
||||
/* uCAN WR_ERR_CNT command fields */
|
||||
#define PUCAN_WRERRCNT_TE 0x4000 /* Tx error cntr write Enable */
|
||||
#define PUCAN_WRERRCNT_RE 0x8000 /* Rx error cntr write Enable */
|
||||
|
||||
struct __packed pucan_wr_err_cnt {
|
||||
__le16 opcode_channel;
|
||||
|
||||
__le16 sel_mask;
|
||||
u8 tx_counter; /* Tx error counter new value */
|
||||
u8 rx_counter; /* Rx error counter new value */
|
||||
|
||||
u16 unused;
|
||||
};
|
||||
|
||||
/* uCAN RX_FRAME_ENABLE command fields */
|
||||
#define PUCAN_FLTEXT_ERROR 0x0001
|
||||
#define PUCAN_FLTEXT_BUSLOAD 0x0002
|
||||
|
||||
struct __packed pucan_filter_ext {
|
||||
__le16 opcode_channel;
|
||||
|
||||
__le16 ext_mask;
|
||||
u32 unused;
|
||||
};
|
||||
|
||||
/* uCAN received messages global format */
|
||||
struct __packed pucan_msg {
|
||||
__le16 size;
|
||||
__le16 type;
|
||||
__le32 ts_low;
|
||||
__le32 ts_high;
|
||||
};
|
||||
|
||||
/* uCAN flags for CAN/CANFD messages */
|
||||
#define PUCAN_MSG_SELF_RECEIVE 0x80
|
||||
#define PUCAN_MSG_ERROR_STATE_IND 0x40 /* error state indicator */
|
||||
#define PUCAN_MSG_BITRATE_SWITCH 0x20 /* bitrate switch */
|
||||
#define PUCAN_MSG_EXT_DATA_LEN 0x10 /* extended data length */
|
||||
#define PUCAN_MSG_SINGLE_SHOT 0x08
|
||||
#define PUCAN_MSG_LOOPED_BACK 0x04
|
||||
#define PUCAN_MSG_EXT_ID 0x02
|
||||
#define PUCAN_MSG_RTR 0x01
|
||||
|
||||
struct __packed pucan_rx_msg {
|
||||
__le16 size;
|
||||
__le16 type;
|
||||
__le32 ts_low;
|
||||
__le32 ts_high;
|
||||
__le32 tag_low;
|
||||
__le32 tag_high;
|
||||
u8 channel_dlc;
|
||||
u8 client;
|
||||
__le16 flags;
|
||||
__le32 can_id;
|
||||
u8 d[0];
|
||||
};
|
||||
|
||||
/* uCAN error types */
|
||||
#define PUCAN_ERMSG_BIT_ERROR 0
|
||||
#define PUCAN_ERMSG_FORM_ERROR 1
|
||||
#define PUCAN_ERMSG_STUFF_ERROR 2
|
||||
#define PUCAN_ERMSG_OTHER_ERROR 3
|
||||
#define PUCAN_ERMSG_ERR_CNT_DEC 4
|
||||
|
||||
struct __packed pucan_error_msg {
|
||||
__le16 size;
|
||||
__le16 type;
|
||||
__le32 ts_low;
|
||||
__le32 ts_high;
|
||||
u8 channel_type_d;
|
||||
u8 code_g;
|
||||
u8 tx_err_cnt;
|
||||
u8 rx_err_cnt;
|
||||
};
|
||||
|
||||
#define PUCAN_BUS_PASSIVE 0x20
|
||||
#define PUCAN_BUS_WARNING 0x40
|
||||
#define PUCAN_BUS_BUSOFF 0x80
|
||||
|
||||
struct __packed pucan_status_msg {
|
||||
__le16 size;
|
||||
__le16 type;
|
||||
__le32 ts_low;
|
||||
__le32 ts_high;
|
||||
u8 channel_p_w_b;
|
||||
u8 unused[3];
|
||||
};
|
||||
|
||||
/* uCAN transmitted message format */
|
||||
#define PUCAN_MSG_CHANNEL_DLC(c, d) (((c) & 0xf) | ((d) << 4))
|
||||
|
||||
struct __packed pucan_tx_msg {
|
||||
__le16 size;
|
||||
__le16 type;
|
||||
__le32 tag_low;
|
||||
__le32 tag_high;
|
||||
u8 channel_dlc;
|
||||
u8 client;
|
||||
__le16 flags;
|
||||
__le32 can_id;
|
||||
u8 d[0];
|
||||
};
|
||||
|
||||
/* build the cmd opcode_channel field with respect to the correct endianness */
|
||||
static inline __le16 pucan_cmd_opcode_channel(struct peak_usb_device *dev,
|
||||
int opcode)
|
||||
{
|
||||
return cpu_to_le16(((dev->ctrl_idx) << 12) | ((opcode) & 0x3ff));
|
||||
}
|
||||
|
||||
/* return the channel number part from any received message channel_dlc field */
|
||||
static inline int pucan_msg_get_channel(struct pucan_rx_msg *rm)
|
||||
{
|
||||
return rm->channel_dlc & 0xf;
|
||||
}
|
||||
|
||||
/* return the dlc value from any received message channel_dlc field */
|
||||
static inline int pucan_msg_get_dlc(struct pucan_rx_msg *rm)
|
||||
{
|
||||
return rm->channel_dlc >> 4;
|
||||
}
|
||||
|
||||
static inline int pucan_ermsg_get_channel(struct pucan_error_msg *em)
|
||||
{
|
||||
return em->channel_type_d & 0x0f;
|
||||
}
|
||||
|
||||
static inline int pucan_stmsg_get_channel(struct pucan_status_msg *sm)
|
||||
{
|
||||
return sm->channel_p_w_b & 0x0f;
|
||||
}
|
||||
|
||||
#endif
|
|
@ -37,6 +37,8 @@ MODULE_LICENSE("GPL v2");
|
|||
static struct usb_device_id peak_usb_table[] = {
|
||||
{USB_DEVICE(PCAN_USB_VENDOR_ID, PCAN_USB_PRODUCT_ID)},
|
||||
{USB_DEVICE(PCAN_USB_VENDOR_ID, PCAN_USBPRO_PRODUCT_ID)},
|
||||
{USB_DEVICE(PCAN_USB_VENDOR_ID, PCAN_USBFD_PRODUCT_ID)},
|
||||
{USB_DEVICE(PCAN_USB_VENDOR_ID, PCAN_USBPROFD_PRODUCT_ID)},
|
||||
{} /* Terminating entry */
|
||||
};
|
||||
|
||||
|
@ -46,6 +48,8 @@ MODULE_DEVICE_TABLE(usb, peak_usb_table);
|
|||
static const struct peak_usb_adapter *const peak_usb_adapters_list[] = {
|
||||
&pcan_usb,
|
||||
&pcan_usb_pro,
|
||||
&pcan_usb_fd,
|
||||
&pcan_usb_pro_fd,
|
||||
};
|
||||
|
||||
/*
|
||||
|
|
|
@ -25,6 +25,8 @@
|
|||
/* 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_USB_DRIVER_NAME "peak_usb"
|
||||
|
||||
|
@ -86,6 +88,8 @@ struct peak_usb_adapter {
|
|||
|
||||
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_pro_fd;
|
||||
|
||||
struct peak_time_ref {
|
||||
struct timeval tv_host_0, tv_host;
|
||||
|
|
1095
drivers/net/can/usb/peak_usb/pcan_usb_fd.c
Normal file
1095
drivers/net/can/usb/peak_usb/pcan_usb_fd.c
Normal file
File diff suppressed because it is too large
Load diff
Loading…
Reference in a new issue