diff options
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/can/dev/peak_canfd.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/include/linux/can/dev/peak_canfd.h b/include/linux/can/dev/peak_canfd.h index 25e20ef2fef8..46dceef2cfa6 100644 --- a/include/linux/can/dev/peak_canfd.h +++ b/include/linux/can/dev/peak_canfd.h @@ -23,11 +23,14 @@ #define PUCAN_CMD_LISTEN_ONLY_MODE 0x003 #define PUCAN_CMD_TIMING_SLOW 0x004 #define PUCAN_CMD_TIMING_FAST 0x005 +#define PUCAN_CMD_SET_STD_FILTER 0x006 +#define PUCAN_CMD_RESERVED2 0x007 #define PUCAN_CMD_FILTER_STD 0x008 #define PUCAN_CMD_TX_ABORT 0x009 #define PUCAN_CMD_WR_ERR_CNT 0x00a #define PUCAN_CMD_SET_EN_OPTION 0x00b #define PUCAN_CMD_CLR_DIS_OPTION 0x00c +#define PUCAN_CMD_RX_BARRIER 0x010 #define PUCAN_CMD_END_OF_COLLECTION 0x3ff /* uCAN received messages list */ @@ -35,6 +38,10 @@ #define PUCAN_MSG_ERROR 0x0002 #define PUCAN_MSG_STATUS 0x0003 #define PUCAN_MSG_BUSLOAD 0x0004 + +#define PUCAN_MSG_CACHE_CRITICAL 0x0102 + +/* uCAN transmitted messages */ #define PUCAN_MSG_CAN_TX 0x1000 /* uCAN command common header */ @@ -43,6 +50,12 @@ struct __packed pucan_command { u16 args[3]; }; +/* return the opcode from the opcode_channel field of a command */ +static inline u16 pucan_cmd_get_opcode(struct pucan_command *c) +{ + return le16_to_cpu(c->opcode_channel) & 0x3ff; +} + #define PUCAN_TSLOW_BRP_BITS 10 #define PUCAN_TSLOW_TSGEG1_BITS 8 #define PUCAN_TSLOW_TSGEG2_BITS 7 @@ -108,6 +121,27 @@ struct __packed pucan_filter_std { __le32 mask; /* CAN-ID bitmask in idx range */ }; +#define PUCAN_FLTSTD_ROW_IDX_MAX ((1 << PUCAN_FLTSTD_ROW_IDX_BITS) - 1) + +/* uCAN SET_STD_FILTER command fields */ +struct __packed pucan_std_filter { + __le16 opcode_channel; + + u8 unused; + u8 idx; + __le32 mask; /* CAN-ID bitmask in idx range */ +}; + +/* uCAN TX_ABORT commands fields */ +#define PUCAN_TX_ABORT_FLUSH 0x0001 + +struct __packed pucan_tx_abort { + __le16 opcode_channel; + + __le16 flags; + u32 unused; +}; + /* 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 */ @@ -184,6 +218,12 @@ struct __packed pucan_error_msg { u8 rx_err_cnt; }; +static inline int pucan_error_get_channel(const struct pucan_error_msg *msg) +{ + return msg->channel_type_d & 0x0f; +} + +#define PUCAN_RX_BARRIER 0x10 #define PUCAN_BUS_PASSIVE 0x20 #define PUCAN_BUS_WARNING 0x40 #define PUCAN_BUS_BUSOFF 0x80 @@ -197,6 +237,31 @@ struct __packed pucan_status_msg { u8 unused[3]; }; +static inline int pucan_status_get_channel(const struct pucan_status_msg *msg) +{ + return msg->channel_p_w_b & 0x0f; +} + +static inline int pucan_status_is_rx_barrier(const struct pucan_status_msg *msg) +{ + return msg->channel_p_w_b & PUCAN_RX_BARRIER; +} + +static inline int pucan_status_is_passive(const struct pucan_status_msg *msg) +{ + return msg->channel_p_w_b & PUCAN_BUS_PASSIVE; +} + +static inline int pucan_status_is_warning(const struct pucan_status_msg *msg) +{ + return msg->channel_p_w_b & PUCAN_BUS_WARNING; +} + +static inline int pucan_status_is_busoff(const struct pucan_status_msg *msg) +{ + return msg->channel_p_w_b & PUCAN_BUS_BUSOFF; +} + /* uCAN transmitted message format */ #define PUCAN_MSG_CHANNEL_DLC(c, d) (((c) & 0xf) | ((d) << 4)) |