| /***************************************************************************** |
| * sdla_asy.h Header file for the Sangoma S508/S514 asynchronous code API |
| * |
| * Author: Gideon Hack |
| * |
| * Copyright: (c) 2000 Sangoma Technologies Inc. |
| * |
| * 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; either version |
| * 2 of the License, or (at your option) any later version. |
| * ============================================================================ |
| * |
| * Jan 28, 2000 Gideon Hack Initial Version |
| * |
| *****************************************************************************/ |
| |
| |
| #ifndef _WANPIPE_ASYNC_H |
| #define _WANPIPE_ASYNC_H |
| |
| /* ---------------------------------------------------------------------------- |
| * Interface commands |
| * --------------------------------------------------------------------------*/ |
| |
| #define SET_ASY_CONFIGURATION 0xE2 /* set the asychronous operational configuration */ |
| #define READ_ASY_CONFIGURATION 0xE3 /* read the current asychronous operational configuration */ |
| #define ENABLE_ASY_COMMUNICATIONS 0xE4 /* enable asychronous communications */ |
| #define DISABLE_ASY_COMMUNICATIONS 0xE5 /* disable asychronous communications */ |
| #define READ_ASY_OPERATIONAL_STATS 0xE7 /* retrieve the asychronous operational statistics */ |
| #define FLUSH_ASY_OPERATIONAL_STATS 0xE8 /* flush the asychronous operational statistics */ |
| #define TRANSMIT_ASY_BREAK_SIGNAL 0xEC /* transmit an asychronous break signal */ |
| |
| |
| |
| /* ---------------------------------------------------------------------------- |
| * Return codes from interface commands |
| * --------------------------------------------------------------------------*/ |
| |
| #define COMMAND_INVALID_FOR_PORT 0x50 /* the command is invalid for the selected port */ |
| #define DISABLE_ASY_COMMS_BEFORE_CFG 0xE1 /* communications must be disabled before setting the configuration */ |
| #define ASY_COMMS_ENABLED 0xE1 /* communications are currently enabled */ |
| #define ASY_COMMS_DISABLED 0xE1 /* communications are currently disabled */ |
| #define ASY_CFG_BEFORE_COMMS_ENABLED 0xE2 /* perform a SET_ASY_CONFIGURATION before enabling comms */ |
| #define LGTH_ASY_CFG_DATA_INVALID 0xE2 /* the length of the passed configuration data is invalid */ |
| #define INVALID_ASY_CFG_DATA 0xE3 /* the passed configuration data is invalid */ |
| #define ASY_BREAK_SIGNAL_BUSY 0xEC /* a break signal is being transmitted */ |
| |
| |
| |
| /* ---------------------------------------------------------------------------- |
| * Constants for the SET_ASY_CONFIGURATION/READ_ASY_CONFIGURATION command |
| * --------------------------------------------------------------------------*/ |
| |
| /* the asynchronous configuration structure */ |
| typedef struct { |
| unsigned long baud_rate PACKED; /* the baud rate */ |
| unsigned short line_config_options PACKED; /* line configuration options */ |
| unsigned short modem_config_options PACKED; /* modem configuration options */ |
| unsigned short asy_API_options PACKED; /* asynchronous API options */ |
| unsigned short asy_protocol_options PACKED; /* asynchronous protocol options */ |
| unsigned short Tx_bits_per_char PACKED; /* number of bits per tx character */ |
| unsigned short Rx_bits_per_char PACKED; /* number of bits per received character */ |
| unsigned short stop_bits PACKED; /* number of stop bits per character */ |
| unsigned short parity PACKED; /* parity definition */ |
| unsigned short break_timer PACKED; /* the break signal timer */ |
| unsigned short asy_Rx_inter_char_timer PACKED; /* the receive inter-character timer */ |
| unsigned short asy_Rx_complete_length PACKED; /* the receive 'buffer complete' length */ |
| unsigned short XON_char PACKED; /* the XON character */ |
| unsigned short XOFF_char PACKED; /* the XOFF character */ |
| unsigned short asy_statistics_options PACKED; /* async operational stat options */ |
| unsigned long ptr_shared_mem_info_struct PACKED;/* ptr to the shared memory area information structure */ |
| unsigned long ptr_asy_Tx_stat_el_cfg_struct PACKED;/* ptr to the transmit status element configuration structure */ |
| unsigned long ptr_asy_Rx_stat_el_cfg_struct PACKED;/* ptr to the receive status element configuration structure */ |
| } ASY_CONFIGURATION_STRUCT; |
| |
| /* permitted minimum and maximum values for setting the asynchronous configuration */ |
| #define MIN_ASY_BAUD_RATE 50 /* maximum baud rate */ |
| #define MAX_ASY_BAUD_RATE 250000 /* minimum baud rate */ |
| #define MIN_ASY_BITS_PER_CHAR 5 /* minimum number of bits per character */ |
| #define MAX_ASY_BITS_PER_CHAR 8 /* maximum number of bits per character */ |
| #define MIN_BREAK_TMR_VAL 0 /* minimum break signal timer */ |
| #define MAX_BREAK_TMR_VAL 5000 /* maximum break signal timer */ |
| #define MIN_ASY_RX_INTER_CHAR_TMR 0 /* minimum receive inter-character timer */ |
| #define MAX_ASY_RX_INTER_CHAR_TMR 30000 /* maximum receive inter-character timer */ |
| #define MIN_ASY_RX_CPLT_LENGTH 0 /* minimum receive 'length complete' value */ |
| #define MAX_ASY_RX_CPLT_LENGTH 2000 /* maximum receive 'length complete' value */ |
| |
| /* bit settings for the 'asy_API_options' */ |
| #define ASY_RX_DATA_TRANSPARENT 0x0001 /* do not strip parity and unused bits from received characters */ |
| |
| /* bit settings for the 'asy_protocol_options' */ |
| #define ASY_RTS_HS_FOR_RX 0x0001 /* RTS handshaking is used for reception control */ |
| #define ASY_XON_XOFF_HS_FOR_RX 0x0002 /* XON/XOFF handshaking is used for reception control */ |
| #define ASY_XON_XOFF_HS_FOR_TX 0x0004 /* XON/XOFF handshaking is used for transmission control */ |
| #define ASY_DCD_HS_FOR_TX 0x0008 /* DCD handshaking is used for transmission control */ |
| #define ASY_CTS_HS_FOR_TX 0x0020 /* CTS handshaking is used for transmission control */ |
| |
| /* bit settings for the 'stop_bits' definition */ |
| #define ONE_STOP_BIT 1 /* representation for 1 stop bit */ |
| #define TWO_STOP_BITS 2 /* representation for 2 stop bits */ |
| #define ONE_AND_A_HALF_STOP_BITS 3 /* representation for 1.5 stop bits */ |
| |
| /* bit settings for the 'parity' definition */ |
| #define NO_PARITY 0 /* representation for no parity */ |
| #define ODD_PARITY 1 /* representation for odd parity */ |
| #define EVEN_PARITY 2 /* representation for even parity */ |
| |
| |
| |
| /* ---------------------------------------------------------------------------- |
| * Constants for the READ_COMMS_ERROR_STATS command (asynchronous mode) |
| * --------------------------------------------------------------------------*/ |
| |
| /* the communications error statistics structure */ |
| typedef struct { |
| unsigned short Rx_overrun_err_count PACKED; /* receiver overrun error count */ |
| unsigned short Rx_parity_err_count PACKED; /* parity errors received count */ |
| unsigned short Rx_framing_err_count PACKED; /* framing errors received count */ |
| unsigned short comms_err_stat_reserved_1 PACKED;/* reserved for later use */ |
| unsigned short comms_err_stat_reserved_2 PACKED;/* reserved for later use */ |
| unsigned short comms_err_stat_reserved_3 PACKED;/* reserved for later use */ |
| unsigned short comms_err_stat_reserved_4 PACKED;/* reserved for later use */ |
| unsigned short comms_err_stat_reserved_5 PACKED;/* reserved for later use */ |
| unsigned short DCD_state_change_count PACKED; /* DCD state change count */ |
| unsigned short CTS_state_change_count PACKED; /* CTS state change count */ |
| } ASY_COMMS_ERROR_STATS_STRUCT; |
| |
| |
| |
| /* ---------------------------------------------------------------------------- |
| * Constants for the READ_ASY_OPERATIONAL_STATS command |
| * --------------------------------------------------------------------------*/ |
| |
| /* the asynchronous operational statistics structure */ |
| typedef struct { |
| |
| /* Data transmission statistics */ |
| unsigned long Data_blocks_Tx_count PACKED;/* number of blocks transmitted */ |
| unsigned long Data_bytes_Tx_count PACKED;/* number of bytes transmitted */ |
| unsigned long Data_Tx_throughput PACKED;/* transmit throughput */ |
| unsigned long no_ms_for_Data_Tx_thruput_comp PACKED;/* millisecond time used for the Tx throughput computation */ |
| unsigned long Tx_Data_discard_lgth_err_count PACKED;/* number of Data blocks discarded (length error) */ |
| unsigned long reserved_Data_frm_Tx_stat1 PACKED;/* reserved for later use */ |
| unsigned long reserved_Data_frm_Tx_stat2 PACKED;/* reserved for later use */ |
| unsigned long reserved_Data_frm_Tx_stat3 PACKED;/* reserved for later use */ |
| |
| /* Data reception statistics */ |
| unsigned long Data_blocks_Rx_count PACKED;/* number of blocks received */ |
| unsigned long Data_bytes_Rx_count PACKED;/* number of bytes received */ |
| unsigned long Data_Rx_throughput PACKED;/* receive throughput */ |
| unsigned long no_ms_for_Data_Rx_thruput_comp PACKED;/* millisecond time used for the Rx throughput computation */ |
| unsigned long Rx_Data_bytes_discard_count PACKED;/* received Data bytes discarded */ |
| unsigned long reserved_Data_frm_Rx_stat1 PACKED;/* reserved for later use */ |
| |
| /* handshaking protocol statistics */ |
| unsigned short XON_chars_Tx_count PACKED; /* number of XON characters transmitted */ |
| unsigned short XOFF_chars_Tx_count PACKED; /* number of XOFF characters transmitted */ |
| unsigned short XON_chars_Rx_count PACKED; /* number of XON characters received */ |
| unsigned short XOFF_chars_Rx_count PACKED; /* number of XOFF characters received */ |
| unsigned short Tx_halt_modem_low_count PACKED; /* number of times Tx halted (modem line low) */ |
| unsigned short Rx_halt_RTS_low_count PACKED; /* number of times Rx halted by setting RTS low */ |
| unsigned long reserved_handshaking_stat1 PACKED;/* reserved for later use */ |
| |
| /* break statistics */ |
| unsigned short break_Tx_count PACKED; /* number of break sequences transmitted */ |
| unsigned short break_Rx_count PACKED; /* number of break sequences received */ |
| unsigned long reserved_break_stat1 PACKED;/* reserved for later use */ |
| |
| /* miscellaneous statistics */ |
| unsigned long reserved_misc_stat1 PACKED; /* reserved for later use */ |
| unsigned long reserved_misc_stat2 PACKED; /* reserved for later use */ |
| |
| } ASY_OPERATIONAL_STATS_STRUCT; |
| |
| |
| |
| /* ---------------------------------------------------------------------------- |
| * Constants for Data transmission |
| * --------------------------------------------------------------------------*/ |
| |
| /* the Data block transmit status element configuration structure */ |
| typedef struct { |
| unsigned short number_Tx_status_elements PACKED; /* number of transmit status elements */ |
| unsigned long base_addr_Tx_status_elements PACKED; /* base address of the transmit element list */ |
| unsigned long next_Tx_status_element_to_use PACKED; /* pointer to the next transmit element to be used */ |
| } ASY_TX_STATUS_EL_CFG_STRUCT; |
| |
| |
| /* the Data block transmit status element structure */ |
| typedef struct { |
| unsigned char opp_flag PACKED; /* opp flag */ |
| unsigned short data_length PACKED; /* length of the block to be transmitted */ |
| unsigned char reserved_1 PACKED; /* reserved for internal use */ |
| unsigned long reserved_2 PACKED; /* reserved for internal use */ |
| unsigned long reserved_3 PACKED; /* reserved for internal use */ |
| unsigned long ptr_data_bfr PACKED; /* pointer to the data area */ |
| } ASY_DATA_TX_STATUS_EL_STRUCT; |
| |
| |
| |
| /* ---------------------------------------------------------------------------- |
| * Constants for Data reception |
| * --------------------------------------------------------------------------*/ |
| |
| /* the Data block receive status element configuration structure */ |
| typedef struct { |
| unsigned short number_Rx_status_elements PACKED;/* number of receive status elements */ |
| unsigned long base_addr_Rx_status_elements PACKED;/* base address of the receive element list */ |
| unsigned long next_Rx_status_element_to_use PACKED;/* pointer to the next receive element to be used */ |
| unsigned long base_addr_Rx_buffer PACKED;/* base address of the receive data buffer */ |
| unsigned long end_addr_Rx_buffer PACKED;/* end address of the receive data buffer */ |
| } ASY_RX_STATUS_EL_CFG_STRUCT; |
| |
| /* the Data block receive status element structure */ |
| typedef struct { |
| unsigned char opp_flag PACKED; /* opp flag */ |
| unsigned short data_length PACKED; /* length of the received data block */ |
| unsigned char reserved_1 PACKED; /* reserved for internal use */ |
| unsigned short time_stamp PACKED; /* receive time stamp (HDLC_STREAMING_MODE) */ |
| unsigned short data_buffered PACKED; /* the number of data bytes still buffered */ |
| unsigned long reserved_2 PACKED; /* reserved for internal use */ |
| unsigned long ptr_data_bfr PACKED; /* pointer to the data area */ |
| } ASY_DATA_RX_STATUS_EL_STRUCT; |
| |
| #endif |
