Board */ #define C_CM_RESET 0x01 /* reset/flush buffers */ #define C_CM_IOCTL 0x02 /* re-read CH_CTRL */ #define C_CM_IOCTLW 0x03 /* re-read CH_CTRL, intr when done */ #define C_CM_IOCTLM 0x04 /* RS-232 outputs change */ #define C_CM_SENDXOFF 0x10 /* send Xoff */ #define C_CM_SENDXON 0x11 /* send Xon */ #define C_CM_CLFLOW 0x12 /* Clear flow control (resume) */ #define C_CM_SENDBRK 0x41 /* send break */ #define C_CM_INTBACK 0x42 /* Interrupt back */ #define C_CM_SET_BREAK 0x43 /* Tx break on */ #define C_CM_CLR_BREAK 0x44 /* Tx break off */ #define C_CM_CMD_DONE 0x45 /* Previous command done */ #define C_CM_INTBACK2 0x46 /* Alternate Interrupt back */ #define C_CM_TINACT 0x51 /* set inactivity detection */ #define C_CM_IRQ_ENBL 0x52 /* enable generation of interrupts */ #define C_CM_IRQ_DSBL 0x53 /* disable generation of interrupts */ #define C_CM_ACK_ENBL 0x54 /* enable acknowledged interrupt mode */ #define C_CM_ACK_DSBL 0x55 /* disable acknowledged intr mode */ #define C_CM_FLUSH_RX 0x56 /* flushes Rx buffer */ #define C_CM_FLUSH_TX 0x57 /* flushes Tx buffer */ #define C_CM_Q_ENABLE 0x58 /* enables queue access from the driver */ #define C_CM_Q_DISABLE 0x59 /* disables queue access from the driver */ #define C_CM_TXBEMPTY 0x60 /* Tx buffer is empty */ #define C_CM_TXLOWWM 0x61 /* Tx buffer low water mark */ #define C_CM_RXHIWM 0x62 /* Rx buffer high water mark */ #define C_CM_RXNNDT 0x63 /* rx no new data timeout */ #define C_CM_TXFEMPTY 0x64 #define C_CM_ICHAR 0x65 #define C_CM_MDCD 0x70 /* modem DCD change */ #define C_CM_MDSR 0x71 /* modem DSR change */ #define C_CM_MRI 0x72 /* modem RI change */ #define C_CM_MCTS 0x73 /* modem CTS change */ #define C_CM_MRTS 0x74 /* modem RTS drop */ #define C_CM_RXBRK 0x84 /* Break received */ #define C_CM_PR_ERROR 0x85 /* Parity error */ #define C_CM_FR_ERROR 0x86 /* Frame error */ #define C_CM_OVR_ERROR 0x87 /* Overrun error */ #define C_CM_RXOFL 0x88 /* RX buffer overflow */ #define C_CM_CMDERROR 0x90 /* command error */ #define C_CM_FATAL 0x91 /* fatal error */ #define C_CM_HW_RESET 0x92 /* reset board */ /* * CH_CTRL - This per port structure contains all parameters * that control an specific port. It can be seen as the * configuration registers of a "super-serial-controller". */ struct CH_CTRL { __u32 op_mode; /* operation mode */ __u32 intr_enable; /* interrupt masking */ __u32 sw_flow; /* SW flow control */ __u32 flow_status; /* output flow status */ __u32 comm_baud; /* baud rate - numerically specified */ __u32 comm_parity; /* parity */ __u32 comm_data_l; /* data length/stop */ __u32 comm_flags; /* other flags */ __u32 hw_flow; /* HW flow control */ __u32 rs_control; /* RS-232 outputs */ __u32 rs_status; /* RS-232 inputs */ __u32 flow_xon; /* xon char */ __u32 flow_xoff; /* xoff char */ __u32 hw_overflow; /* hw overflow counter */ __u32 sw_overflow; /* sw overflow counter */ __u32 comm_error; /* frame/parity error counter */ __u32 ichar; __u32 filler[7]; }; /* * BUF_CTRL - This per channel structure contains * all Tx and Rx buffer control for a given channel. */ struct BUF_CTRL { __u32 flag_dma; /* buffers are in Host memory */ __u32 tx_bufaddr; /* address of the tx buffer */ __u32 tx_bufsize; /* tx buffer size */ __u32 tx_threshold; /* tx low water mark */ __u32 tx_get; /* tail index tx buf */ __u32 tx_put; /* head index tx buf */ __u32 rx_bufaddr; /* address of the rx buffer */ __u32 rx_bufsize; /* rx buffer size */ __u32 rx_threshold; /* rx high water mark */ __u32 rx_get; /* tail index rx buf */ __u32 rx_put; /* head index rx buf */ __u32 filler[5]; /* filler to align structures */ }; /* * BOARD_CTRL - This per board structure contains all global * control fields related to the board. */ struct BOARD_CTRL { /* static info provided by the on-board CPU */ __u32 n_channel; /* number of channels */ __u32 fw_version; /* firmware version */ /* static info provided by the driver */ __u32 op_system; /* op_system id */ __u32 dr_version; /* driver version */ /* board control area */ __u32 inactivity; /* inactivity control */ /* host to FW commands */ __u32 hcmd_channel; /* channel number */ __u32 hcmd_param; /* pointer to parameters */ /* FW to Host commands */ __u32 fwcmd_channel; /* channel number */ __u32 fwcmd_param; /* pointer to parameters */ __u32 zf_int_queue_addr; /* offset for INT_QUEUE structure */ /* filler so the structures are aligned */ __u32 filler[6]; }; /* Host Interrupt Queue */ #define QUEUE_SIZE (10*MAX_CHAN) struct INT_QUEUE { unsigned char intr_code[QUEUE_SIZE]; unsigned long channel[QUEUE_SIZE]; unsigned long param[QUEUE_SIZE]; unsigned long put; unsigned long get; }; /* * ZFW_CTRL - This is the data structure that includes all other * data structures used by the Firmware. */ struct ZFW_CTRL { struct BOARD_CTRL board_ctrl; struct CH_CTRL ch_ctrl[MAX_CHAN]; struct BUF_CTRL buf_ctrl[MAX_CHAN]; }; /****************** ****************** *******************/ #endif #endif /* _LINUX_CYCLADES_H */