diff options
Diffstat (limited to 'drivers/net/can/usb/kvaser_usb')
| -rw-r--r-- | drivers/net/can/usb/kvaser_usb/Makefile | 2 | ||||
| -rw-r--r-- | drivers/net/can/usb/kvaser_usb/kvaser_usb.h | 33 | ||||
| -rw-r--r-- | drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c | 139 | ||||
| -rw-r--r-- | drivers/net/can/usb/kvaser_usb/kvaser_usb_devlink.c | 87 | ||||
| -rw-r--r-- | drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c | 65 | ||||
| -rw-r--r-- | drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c | 75 |
6 files changed, 353 insertions, 48 deletions
diff --git a/drivers/net/can/usb/kvaser_usb/Makefile b/drivers/net/can/usb/kvaser_usb/Makefile index cf260044f0b9..41b4a11555aa 100644 --- a/drivers/net/can/usb/kvaser_usb/Makefile +++ b/drivers/net/can/usb/kvaser_usb/Makefile @@ -1,3 +1,3 @@ # SPDX-License-Identifier: GPL-2.0-only obj-$(CONFIG_CAN_KVASER_USB) += kvaser_usb.o -kvaser_usb-y = kvaser_usb_core.o kvaser_usb_leaf.o kvaser_usb_hydra.o +kvaser_usb-y = kvaser_usb_core.o kvaser_usb_devlink.o kvaser_usb_leaf.o kvaser_usb_hydra.o diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb.h b/drivers/net/can/usb/kvaser_usb/kvaser_usb.h index f6c77eca9f43..46a1b6907a50 100644 --- a/drivers/net/can/usb/kvaser_usb/kvaser_usb.h +++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb.h @@ -27,6 +27,7 @@ #include <linux/spinlock.h> #include <linux/types.h> #include <linux/usb.h> +#include <net/devlink.h> #include <linux/can.h> #include <linux/can/dev.h> @@ -47,6 +48,10 @@ #define KVASER_USB_CAP_EXT_CAP 0x02 #define KVASER_USB_HYDRA_CAP_EXT_CMD 0x04 +#define KVASER_USB_SW_VERSION_MAJOR_MASK GENMASK(31, 24) +#define KVASER_USB_SW_VERSION_MINOR_MASK GENMASK(23, 16) +#define KVASER_USB_SW_VERSION_BUILD_MASK GENMASK(15, 0) + struct kvaser_usb_dev_cfg; enum kvaser_usb_leaf_family { @@ -54,6 +59,11 @@ enum kvaser_usb_leaf_family { KVASER_USBCAN, }; +enum kvaser_usb_led_state { + KVASER_USB_LED_ON = 0, + KVASER_USB_LED_OFF = 1, +}; + #define KVASER_USB_HYDRA_MAX_CMD_LEN 128 struct kvaser_usb_dev_card_data_hydra { u8 channel_to_he[KVASER_USB_MAX_NET_DEVICES]; @@ -78,6 +88,12 @@ struct kvaser_usb_tx_urb_context { u32 echo_index; }; +struct kvaser_usb_fw_version { + u8 major; + u8 minor; + u16 build; +}; + struct kvaser_usb_busparams { __le32 bitrate; u8 tseg1; @@ -96,12 +112,15 @@ struct kvaser_usb { struct usb_endpoint_descriptor *bulk_in, *bulk_out; struct usb_anchor rx_submitted; + u32 ean[2]; + u32 serial_number; + struct kvaser_usb_fw_version fw_version; + u8 hw_revision; + unsigned int nchannels; /* @max_tx_urbs: Firmware-reported maximum number of outstanding, * not yet ACKed, transmissions on this device. This value is * also used as a sentinel for marking free tx contexts. */ - u32 fw_version; - unsigned int nchannels; unsigned int max_tx_urbs; struct kvaser_usb_dev_card_data card_data; @@ -112,6 +131,7 @@ struct kvaser_usb { struct kvaser_usb_net_priv { struct can_priv can; + struct devlink_port devlink_port; struct can_berr_counter bec; /* subdriver-specific data */ @@ -149,6 +169,7 @@ struct kvaser_usb_net_priv { * @dev_get_software_details: get software details * @dev_get_card_info: get card info * @dev_get_capabilities: discover device capabilities + * @dev_set_led: turn on/off device LED * * @dev_set_opt_mode: set ctrlmod * @dev_start_chip: start the CAN controller @@ -176,6 +197,9 @@ struct kvaser_usb_dev_ops { int (*dev_get_software_details)(struct kvaser_usb *dev); int (*dev_get_card_info)(struct kvaser_usb *dev); int (*dev_get_capabilities)(struct kvaser_usb *dev); + int (*dev_set_led)(struct kvaser_usb_net_priv *priv, + enum kvaser_usb_led_state state, + u16 duration_ms); int (*dev_set_opt_mode)(const struct kvaser_usb_net_priv *priv); int (*dev_start_chip)(struct kvaser_usb_net_priv *priv); int (*dev_stop_chip)(struct kvaser_usb_net_priv *priv); @@ -204,6 +228,11 @@ 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; +extern const struct devlink_ops kvaser_usb_devlink_ops; + +int kvaser_usb_devlink_port_register(struct kvaser_usb_net_priv *priv); +void kvaser_usb_devlink_port_unregister(struct kvaser_usb_net_priv *priv); + 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, diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c b/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c index daf42080f942..90e77fa0ff4a 100644 --- a/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c +++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c @@ -364,10 +364,13 @@ resubmit_urb: err = usb_submit_urb(urb, GFP_ATOMIC); if (err == -ENODEV) { for (i = 0; i < dev->nchannels; i++) { - if (!dev->nets[i]) + struct kvaser_usb_net_priv *priv; + + priv = dev->nets[i]; + if (!priv) continue; - netif_device_detach(dev->nets[i]->netdev); + netif_device_detach(priv->netdev); } } else if (err) { dev_err(&dev->intf->dev, @@ -753,6 +756,31 @@ freeurb: return ret; } +static int kvaser_usb_set_phys_id(struct net_device *netdev, + enum ethtool_phys_id_state state) +{ + struct kvaser_usb_net_priv *priv = netdev_priv(netdev); + const struct kvaser_usb_dev_ops *ops = priv->dev->driver_info->ops; + + switch (state) { + case ETHTOOL_ID_ACTIVE: + return 3; /* 3 On/Off cycles per second */ + + case ETHTOOL_ID_ON: + return ops->dev_set_led(priv, KVASER_USB_LED_ON, 1000); + + case ETHTOOL_ID_OFF: + return ops->dev_set_led(priv, KVASER_USB_LED_OFF, 1000); + + case ETHTOOL_ID_INACTIVE: + /* Turn LED off and restore standard function after 1ms */ + return ops->dev_set_led(priv, KVASER_USB_LED_OFF, 1); + + default: + return -EINVAL; + } +} + static const struct net_device_ops kvaser_usb_netdev_ops = { .ndo_open = kvaser_usb_open, .ndo_stop = kvaser_usb_close, @@ -763,30 +791,35 @@ static const struct net_device_ops kvaser_usb_netdev_ops = { static const struct ethtool_ops kvaser_usb_ethtool_ops = { .get_ts_info = can_ethtool_op_get_ts_info_hwts, + .set_phys_id = kvaser_usb_set_phys_id, }; static void kvaser_usb_remove_interfaces(struct kvaser_usb *dev) { const struct kvaser_usb_dev_ops *ops = dev->driver_info->ops; int i; + struct kvaser_usb_net_priv *priv; for (i = 0; i < dev->nchannels; i++) { - if (!dev->nets[i]) + priv = dev->nets[i]; + if (!priv) continue; - unregister_candev(dev->nets[i]->netdev); + unregister_candev(priv->netdev); } kvaser_usb_unlink_all_urbs(dev); for (i = 0; i < dev->nchannels; i++) { - if (!dev->nets[i]) + priv = dev->nets[i]; + if (!priv) continue; if (ops->dev_remove_channel) - ops->dev_remove_channel(dev->nets[i]); + ops->dev_remove_channel(priv); - free_candev(dev->nets[i]->netdev); + kvaser_usb_devlink_port_unregister(priv); + free_candev(priv->netdev); } } @@ -852,26 +885,35 @@ static int kvaser_usb_init_one(struct kvaser_usb *dev, int channel) netdev->ethtool_ops = &kvaser_usb_ethtool_ops; SET_NETDEV_DEV(netdev, &dev->intf->dev); netdev->dev_id = channel; + netdev->dev_port = channel; dev->nets[channel] = priv; if (ops->dev_init_channel) { err = ops->dev_init_channel(priv); if (err) - goto err; + goto candev_free; + } + + err = kvaser_usb_devlink_port_register(priv); + if (err) { + dev_err(&dev->intf->dev, "Failed to register devlink port\n"); + goto candev_free; } err = register_candev(netdev); if (err) { dev_err(&dev->intf->dev, "Failed to register CAN device\n"); - goto err; + goto unregister_devlink_port; } netdev_dbg(netdev, "device registered\n"); return 0; -err: +unregister_devlink_port: + kvaser_usb_devlink_port_unregister(priv); +candev_free: free_candev(netdev); dev->nets[channel] = NULL; return err; @@ -881,6 +923,7 @@ static int kvaser_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct kvaser_usb *dev; + struct devlink *devlink; int err; int i; const struct kvaser_usb_driver_info *driver_info; @@ -890,17 +933,20 @@ static int kvaser_usb_probe(struct usb_interface *intf, if (!driver_info) return -ENODEV; - dev = devm_kzalloc(&intf->dev, sizeof(*dev), GFP_KERNEL); - if (!dev) + devlink = devlink_alloc(&kvaser_usb_devlink_ops, sizeof(*dev), &intf->dev); + if (!devlink) return -ENOMEM; + dev = devlink_priv(devlink); dev->intf = intf; dev->driver_info = driver_info; ops = driver_info->ops; err = ops->dev_setup_endpoints(dev); - if (err) - return dev_err_probe(&intf->dev, err, "Cannot get usb endpoint(s)"); + if (err) { + dev_err_probe(&intf->dev, err, "Cannot get usb endpoint(s)"); + goto free_devlink; + } dev->udev = interface_to_usbdev(intf); @@ -911,55 +957,66 @@ static int kvaser_usb_probe(struct usb_interface *intf, dev->card_data.ctrlmode_supported = 0; dev->card_data.capabilities = 0; err = ops->dev_init_card(dev); - if (err) - return dev_err_probe(&intf->dev, err, - "Failed to initialize card\n"); + if (err) { + dev_err_probe(&intf->dev, err, + "Failed to initialize card\n"); + goto free_devlink; + } err = ops->dev_get_software_info(dev); - if (err) - return dev_err_probe(&intf->dev, err, - "Cannot get software info\n"); + if (err) { + dev_err_probe(&intf->dev, err, + "Cannot get software info\n"); + goto free_devlink; + } if (ops->dev_get_software_details) { err = ops->dev_get_software_details(dev); - if (err) - return dev_err_probe(&intf->dev, err, - "Cannot get software details\n"); + if (err) { + dev_err_probe(&intf->dev, err, + "Cannot get software details\n"); + goto free_devlink; + } } - if (WARN_ON(!dev->cfg)) - return -ENODEV; - - dev_dbg(&intf->dev, "Firmware version: %d.%d.%d\n", - ((dev->fw_version >> 24) & 0xff), - ((dev->fw_version >> 16) & 0xff), - (dev->fw_version & 0xffff)); + if (WARN_ON(!dev->cfg)) { + err = -ENODEV; + goto free_devlink; + } dev_dbg(&intf->dev, "Max outstanding tx = %d URBs\n", dev->max_tx_urbs); err = ops->dev_get_card_info(dev); - if (err) - return dev_err_probe(&intf->dev, err, - "Cannot get card info\n"); + if (err) { + dev_err_probe(&intf->dev, err, + "Cannot get card info\n"); + goto free_devlink; + } if (ops->dev_get_capabilities) { err = ops->dev_get_capabilities(dev); if (err) { - kvaser_usb_remove_interfaces(dev); - return dev_err_probe(&intf->dev, err, - "Cannot get capabilities\n"); + dev_err_probe(&intf->dev, err, + "Cannot get capabilities\n"); + goto remove_interfaces; } } for (i = 0; i < dev->nchannels; i++) { err = kvaser_usb_init_one(dev, i); - if (err) { - kvaser_usb_remove_interfaces(dev); - return err; - } + if (err) + goto remove_interfaces; } + devlink_register(devlink); return 0; + +remove_interfaces: + kvaser_usb_remove_interfaces(dev); +free_devlink: + devlink_free(devlink); + + return err; } static void kvaser_usb_disconnect(struct usb_interface *intf) @@ -972,6 +1029,8 @@ static void kvaser_usb_disconnect(struct usb_interface *intf) return; kvaser_usb_remove_interfaces(dev); + devlink_unregister(priv_to_devlink(dev)); + devlink_free(priv_to_devlink(dev)); } static struct usb_driver kvaser_usb_driver = { diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb_devlink.c b/drivers/net/can/usb/kvaser_usb/kvaser_usb_devlink.c new file mode 100644 index 000000000000..e838b82298ae --- /dev/null +++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb_devlink.c @@ -0,0 +1,87 @@ +// SPDX-License-Identifier: GPL-2.0 +/* kvaser_usb devlink functions + * + * Copyright (C) 2025 KVASER AB, Sweden. All rights reserved. + */ +#include "kvaser_usb.h" + +#include <linux/netdevice.h> +#include <net/devlink.h> + +#define KVASER_USB_EAN_MSB 0x00073301 + +static int kvaser_usb_devlink_info_get(struct devlink *devlink, + struct devlink_info_req *req, + struct netlink_ext_ack *extack) +{ + struct kvaser_usb *dev = devlink_priv(devlink); + char buf[] = "73301XXXXXXXXXX"; + int ret; + + if (dev->serial_number) { + snprintf(buf, sizeof(buf), "%u", dev->serial_number); + ret = devlink_info_serial_number_put(req, buf); + if (ret) + return ret; + } + + if (dev->fw_version.major) { + snprintf(buf, sizeof(buf), "%u.%u.%u", + dev->fw_version.major, + dev->fw_version.minor, + dev->fw_version.build); + ret = devlink_info_version_running_put(req, + DEVLINK_INFO_VERSION_GENERIC_FW, + buf); + if (ret) + return ret; + } + + if (dev->hw_revision) { + snprintf(buf, sizeof(buf), "%u", dev->hw_revision); + ret = devlink_info_version_fixed_put(req, + DEVLINK_INFO_VERSION_GENERIC_BOARD_REV, + buf); + if (ret) + return ret; + } + + if (dev->ean[1] == KVASER_USB_EAN_MSB) { + snprintf(buf, sizeof(buf), "%x%08x", dev->ean[1], dev->ean[0]); + ret = devlink_info_version_fixed_put(req, + DEVLINK_INFO_VERSION_GENERIC_BOARD_ID, + buf); + if (ret) + return ret; + } + + return 0; +} + +const struct devlink_ops kvaser_usb_devlink_ops = { + .info_get = kvaser_usb_devlink_info_get, +}; + +int kvaser_usb_devlink_port_register(struct kvaser_usb_net_priv *priv) +{ + int ret; + struct devlink_port_attrs attrs = { + .flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL, + .phys.port_number = priv->channel, + }; + devlink_port_attrs_set(&priv->devlink_port, &attrs); + + ret = devlink_port_register(priv_to_devlink(priv->dev), + &priv->devlink_port, priv->channel); + if (ret) + return ret; + + SET_NETDEV_DEVLINK_PORT(priv->netdev, &priv->devlink_port); + + return 0; +} + +void kvaser_usb_devlink_port_unregister(struct kvaser_usb_net_priv *priv) +{ + devlink_port_unregister(&priv->devlink_port); +} diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c b/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c index 8e88b5917796..a59f20dad692 100644 --- a/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c +++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c @@ -12,6 +12,7 @@ * distinguish between ERROR_WARNING and ERROR_ACTIVE. */ +#include <linux/bitfield.h> #include <linux/completion.h> #include <linux/device.h> #include <linux/gfp.h> @@ -67,6 +68,8 @@ static const struct kvaser_usb_dev_cfg kvaser_usb_hydra_dev_cfg_rt; #define CMD_SET_BUSPARAMS_RESP 85 #define CMD_GET_CAPABILITIES_REQ 95 #define CMD_GET_CAPABILITIES_RESP 96 +#define CMD_LED_ACTION_REQ 101 +#define CMD_LED_ACTION_RESP 102 #define CMD_RX_MESSAGE 106 #define CMD_MAP_CHANNEL_REQ 200 #define CMD_MAP_CHANNEL_RESP 201 @@ -111,7 +114,7 @@ struct kvaser_cmd_card_info { __le32 clock_res; __le32 mfg_date; __le32 ean[2]; - u8 hw_version; + u8 hw_revision; u8 usb_mode; u8 hw_type; u8 reserved0; @@ -217,6 +220,22 @@ struct kvaser_cmd_get_busparams_res { u8 reserved[20]; } __packed; +/* The device has two LEDs per CAN channel + * The LSB of action field controls the state: + * 0 = ON + * 1 = OFF + * The remaining bits of action field is the LED index + */ +#define KVASER_USB_HYDRA_LED_IDX_MASK GENMASK(31, 1) +#define KVASER_USB_HYDRA_LED_YELLOW_CH0_IDX 3 +#define KVASER_USB_HYDRA_LEDS_PER_CHANNEL 2 +struct kvaser_cmd_led_action_req { + u8 action; + u8 padding; + __le16 duration_ms; + u8 reserved[24]; +} __packed; + /* Ctrl modes */ #define KVASER_USB_HYDRA_CTRLMODE_NORMAL 0x01 #define KVASER_USB_HYDRA_CTRLMODE_LISTEN 0x02 @@ -299,6 +318,8 @@ struct kvaser_cmd { struct kvaser_cmd_get_busparams_req get_busparams_req; struct kvaser_cmd_get_busparams_res get_busparams_res; + struct kvaser_cmd_led_action_req led_action_req; + struct kvaser_cmd_chip_state_event chip_state_event; struct kvaser_cmd_set_ctrlmode set_ctrlmode; @@ -1390,6 +1411,7 @@ static void kvaser_usb_hydra_handle_cmd_std(const struct kvaser_usb *dev, /* Ignored commands */ case CMD_SET_BUSPARAMS_RESP: case CMD_SET_BUSPARAMS_FD_RESP: + case CMD_LED_ACTION_RESP: break; default: @@ -1817,6 +1839,7 @@ static int kvaser_usb_hydra_get_software_details(struct kvaser_usb *dev) size_t cmd_len; int err; u32 flags; + u32 fw_version; struct kvaser_usb_dev_card_data *card_data = &dev->card_data; cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); @@ -1841,7 +1864,10 @@ static int kvaser_usb_hydra_get_software_details(struct kvaser_usb *dev) if (err) goto end; - dev->fw_version = le32_to_cpu(cmd->sw_detail_res.sw_version); + fw_version = le32_to_cpu(cmd->sw_detail_res.sw_version); + dev->fw_version.major = FIELD_GET(KVASER_USB_SW_VERSION_MAJOR_MASK, fw_version); + dev->fw_version.minor = FIELD_GET(KVASER_USB_SW_VERSION_MINOR_MASK, fw_version); + dev->fw_version.build = FIELD_GET(KVASER_USB_SW_VERSION_BUILD_MASK, fw_version); flags = le32_to_cpu(cmd->sw_detail_res.sw_flags); if (flags & KVASER_USB_HYDRA_SW_FLAG_FW_BAD) { @@ -1892,6 +1918,10 @@ static int kvaser_usb_hydra_get_card_info(struct kvaser_usb *dev) err = kvaser_usb_hydra_wait_cmd(dev, CMD_GET_CARD_INFO_RESP, &cmd); if (err) return err; + dev->ean[1] = le32_to_cpu(cmd.card_info.ean[1]); + dev->ean[0] = le32_to_cpu(cmd.card_info.ean[0]); + dev->serial_number = le32_to_cpu(cmd.card_info.serial_number); + dev->hw_revision = cmd.card_info.hw_revision; dev->nchannels = cmd.card_info.nchannels; if (dev->nchannels > KVASER_USB_MAX_NET_DEVICES) @@ -1946,6 +1976,36 @@ static int kvaser_usb_hydra_get_capabilities(struct kvaser_usb *dev) return 0; } +static int kvaser_usb_hydra_set_led(struct kvaser_usb_net_priv *priv, + enum kvaser_usb_led_state state, + u16 duration_ms) +{ + struct kvaser_usb *dev = priv->dev; + struct kvaser_cmd *cmd; + size_t cmd_len; + int ret; + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) + return -ENOMEM; + + cmd->header.cmd_no = CMD_LED_ACTION_REQ; + cmd_len = kvaser_usb_hydra_cmd_size(cmd); + kvaser_usb_hydra_set_cmd_dest_he(cmd, dev->card_data.hydra.sysdbg_he); + kvaser_usb_hydra_set_cmd_transid(cmd, kvaser_usb_hydra_get_next_transid(dev)); + + cmd->led_action_req.duration_ms = cpu_to_le16(duration_ms); + cmd->led_action_req.action = state | + FIELD_PREP(KVASER_USB_HYDRA_LED_IDX_MASK, + KVASER_USB_HYDRA_LED_YELLOW_CH0_IDX + + KVASER_USB_HYDRA_LEDS_PER_CHANNEL * priv->channel); + + ret = kvaser_usb_send_cmd(dev, cmd, cmd_len); + kfree(cmd); + + return ret; +} + static int kvaser_usb_hydra_set_opt_mode(const struct kvaser_usb_net_priv *priv) { struct kvaser_usb *dev = priv->dev; @@ -2149,6 +2209,7 @@ const struct kvaser_usb_dev_ops kvaser_usb_hydra_dev_ops = { .dev_get_software_details = kvaser_usb_hydra_get_software_details, .dev_get_card_info = kvaser_usb_hydra_get_card_info, .dev_get_capabilities = kvaser_usb_hydra_get_capabilities, + .dev_set_led = kvaser_usb_hydra_set_led, .dev_set_opt_mode = kvaser_usb_hydra_set_opt_mode, .dev_start_chip = kvaser_usb_hydra_start_chip, .dev_stop_chip = kvaser_usb_hydra_stop_chip, diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c b/drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c index 6a45adcc45bd..c29828a94ad0 100644 --- a/drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c +++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c @@ -10,6 +10,7 @@ * Copyright (C) 2015 Valeo S.A. */ +#include <linux/bitfield.h> #include <linux/completion.h> #include <linux/device.h> #include <linux/gfp.h> @@ -81,6 +82,8 @@ #define CMD_FLUSH_QUEUE_REPLY 68 #define CMD_GET_CAPABILITIES_REQ 95 #define CMD_GET_CAPABILITIES_RESP 96 +#define CMD_LED_ACTION_REQ 101 +#define CMD_LED_ACTION_RESP 102 #define CMD_LEAF_LOG_MESSAGE 106 @@ -135,7 +138,7 @@ struct kvaser_cmd_cardinfo { __le32 padding0; __le32 clock_resolution; __le32 mfgdate; - u8 ean[8]; + __le32 ean[2]; u8 hw_revision; union { struct { @@ -173,6 +176,21 @@ struct kvaser_cmd_busparams { struct kvaser_usb_busparams busparams; } __packed; +/* The device has one LED per CAN channel + * The LSB of action field controls the state: + * 0 = ON + * 1 = OFF + * The remaining bits of action field is the LED index + */ +#define KVASER_USB_LEAF_LED_IDX_MASK GENMASK(31, 1) +#define KVASER_USB_LEAF_LED_YELLOW_CH0_IDX 2 +struct kvaser_cmd_led_action_req { + u8 tid; + u8 action; + __le16 duration_ms; + u8 padding[24]; +} __packed; + struct kvaser_cmd_tx_can { u8 channel; u8 tid; @@ -359,6 +377,8 @@ struct kvaser_cmd { struct kvaser_cmd_cardinfo cardinfo; struct kvaser_cmd_busparams busparams; + struct kvaser_cmd_led_action_req led_action_req; + struct kvaser_cmd_rx_can_header rx_can_header; struct kvaser_cmd_tx_acknowledge_header tx_acknowledge_header; @@ -409,6 +429,7 @@ static const u8 kvaser_usb_leaf_cmd_sizes_leaf[] = { [CMD_ERROR_EVENT] = kvaser_fsize(u.leaf.error_event), /* ignored events: */ [CMD_FLUSH_QUEUE_REPLY] = CMD_SIZE_ANY, + [CMD_LED_ACTION_RESP] = CMD_SIZE_ANY, }; static const u8 kvaser_usb_leaf_cmd_sizes_usbcan[] = { @@ -423,6 +444,8 @@ static const u8 kvaser_usb_leaf_cmd_sizes_usbcan[] = { [CMD_CAN_ERROR_EVENT] = kvaser_fsize(u.usbcan.can_error_event), [CMD_ERROR_EVENT] = kvaser_fsize(u.usbcan.error_event), [CMD_USBCAN_CLOCK_OVERFLOW_EVENT] = kvaser_fsize(u.usbcan.clk_overflow_event), + /* ignored events: */ + [CMD_LED_ACTION_RESP] = CMD_SIZE_ANY, }; /* Summary of a kvaser error event, for a unified Leaf/Usbcan error @@ -718,9 +741,13 @@ static int kvaser_usb_leaf_send_simple_cmd(const struct kvaser_usb *dev, static void kvaser_usb_leaf_get_software_info_leaf(struct kvaser_usb *dev, const struct leaf_cmd_softinfo *softinfo) { + u32 fw_version; u32 sw_options = le32_to_cpu(softinfo->sw_options); - dev->fw_version = le32_to_cpu(softinfo->fw_version); + fw_version = le32_to_cpu(softinfo->fw_version); + dev->fw_version.major = FIELD_GET(KVASER_USB_SW_VERSION_MAJOR_MASK, fw_version); + dev->fw_version.minor = FIELD_GET(KVASER_USB_SW_VERSION_MINOR_MASK, fw_version); + dev->fw_version.build = FIELD_GET(KVASER_USB_SW_VERSION_BUILD_MASK, fw_version); dev->max_tx_urbs = le16_to_cpu(softinfo->max_outstanding_tx); if (sw_options & KVASER_USB_LEAF_SWOPTION_EXT_CAP) @@ -761,6 +788,7 @@ static int kvaser_usb_leaf_get_software_info_inner(struct kvaser_usb *dev) { struct kvaser_cmd cmd; int err; + u32 fw_version; err = kvaser_usb_leaf_send_simple_cmd(dev, CMD_GET_SOFTWARE_INFO, 0); if (err) @@ -775,7 +803,13 @@ static int kvaser_usb_leaf_get_software_info_inner(struct kvaser_usb *dev) kvaser_usb_leaf_get_software_info_leaf(dev, &cmd.u.leaf.softinfo); break; case KVASER_USBCAN: - dev->fw_version = le32_to_cpu(cmd.u.usbcan.softinfo.fw_version); + fw_version = le32_to_cpu(cmd.u.usbcan.softinfo.fw_version); + dev->fw_version.major = FIELD_GET(KVASER_USB_SW_VERSION_MAJOR_MASK, + fw_version); + dev->fw_version.minor = FIELD_GET(KVASER_USB_SW_VERSION_MINOR_MASK, + fw_version); + dev->fw_version.build = FIELD_GET(KVASER_USB_SW_VERSION_BUILD_MASK, + fw_version); dev->max_tx_urbs = le16_to_cpu(cmd.u.usbcan.softinfo.max_outstanding_tx); dev->cfg = &kvaser_usb_leaf_usbcan_dev_cfg; @@ -820,6 +854,10 @@ static int kvaser_usb_leaf_get_card_info(struct kvaser_usb *dev) (dev->driver_info->family == KVASER_USBCAN && dev->nchannels > MAX_USBCAN_NET_DEVICES)) return -EINVAL; + dev->ean[1] = le32_to_cpu(cmd.u.cardinfo.ean[1]); + dev->ean[0] = le32_to_cpu(cmd.u.cardinfo.ean[0]); + dev->serial_number = le32_to_cpu(cmd.u.cardinfo.serial_number); + dev->hw_revision = cmd.u.cardinfo.hw_revision; return 0; } @@ -924,6 +962,34 @@ static int kvaser_usb_leaf_get_capabilities_leaf(struct kvaser_usb *dev) return 0; } +static int kvaser_usb_leaf_set_led(struct kvaser_usb_net_priv *priv, + enum kvaser_usb_led_state state, + u16 duration_ms) +{ + struct kvaser_usb *dev = priv->dev; + struct kvaser_cmd *cmd; + int ret; + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) + return -ENOMEM; + + cmd->id = CMD_LED_ACTION_REQ; + cmd->len = CMD_HEADER_LEN + sizeof(struct kvaser_cmd_led_action_req); + cmd->u.led_action_req.tid = 0xff; + + cmd->u.led_action_req.duration_ms = cpu_to_le16(duration_ms); + cmd->u.led_action_req.action = state | + FIELD_PREP(KVASER_USB_LEAF_LED_IDX_MASK, + KVASER_USB_LEAF_LED_YELLOW_CH0_IDX + + priv->channel); + + ret = kvaser_usb_send_cmd(dev, cmd, cmd->len); + kfree(cmd); + + return ret; +} + static int kvaser_usb_leaf_get_capabilities(struct kvaser_usb *dev) { int err = 0; @@ -1638,6 +1704,8 @@ static void kvaser_usb_leaf_handle_command(struct kvaser_usb *dev, if (dev->driver_info->family != KVASER_LEAF) goto warn; break; + case CMD_LED_ACTION_RESP: + break; default: warn: dev_warn(&dev->intf->dev, "Unhandled command (%d)\n", cmd->id); @@ -1927,6 +1995,7 @@ const struct kvaser_usb_dev_ops kvaser_usb_leaf_dev_ops = { .dev_get_software_details = NULL, .dev_get_card_info = kvaser_usb_leaf_get_card_info, .dev_get_capabilities = kvaser_usb_leaf_get_capabilities, + .dev_set_led = kvaser_usb_leaf_set_led, .dev_set_opt_mode = kvaser_usb_leaf_set_opt_mode, .dev_start_chip = kvaser_usb_leaf_start_chip, .dev_stop_chip = kvaser_usb_leaf_stop_chip, |