diff options
Diffstat (limited to 'drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c')
| -rw-r--r-- | drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c | 65 |
1 files changed, 63 insertions, 2 deletions
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, |