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| 422 | giacomo | 1 | /***************************************************************************** |
| 2 | * sdla_asy.h Header file for the Sangoma S508/S514 asynchronous code API |
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| 3 | * |
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| 4 | * Author: Gideon Hack |
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| 5 | * |
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| 6 | * Copyright: (c) 2000 Sangoma Technologies Inc. |
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| 7 | * |
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| 8 | * This program is free software; you can redistribute it and/or |
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| 9 | * modify it under the terms of the GNU General Public License |
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| 10 | * as published by the Free Software Foundation; either version |
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| 11 | * 2 of the License, or (at your option) any later version. |
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| 12 | * ============================================================================ |
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| 13 | * |
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| 14 | * Jan 28, 2000 Gideon Hack Initial Version |
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| 15 | * |
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| 16 | *****************************************************************************/ |
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| 17 | |||
| 18 | |||
| 19 | #ifndef _WANPIPE_ASYNC_H |
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| 20 | #define _WANPIPE_ASYNC_H |
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| 21 | |||
| 22 | /* ---------------------------------------------------------------------------- |
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| 23 | * Interface commands |
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| 24 | * --------------------------------------------------------------------------*/ |
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| 25 | |||
| 26 | #define SET_ASY_CONFIGURATION 0xE2 /* set the asychronous operational configuration */ |
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| 27 | #define READ_ASY_CONFIGURATION 0xE3 /* read the current asychronous operational configuration */ |
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| 28 | #define ENABLE_ASY_COMMUNICATIONS 0xE4 /* enable asychronous communications */ |
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| 29 | #define DISABLE_ASY_COMMUNICATIONS 0xE5 /* disable asychronous communications */ |
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| 30 | #define READ_ASY_OPERATIONAL_STATS 0xE7 /* retrieve the asychronous operational statistics */ |
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| 31 | #define FLUSH_ASY_OPERATIONAL_STATS 0xE8 /* flush the asychronous operational statistics */ |
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| 32 | #define TRANSMIT_ASY_BREAK_SIGNAL 0xEC /* transmit an asychronous break signal */ |
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| 33 | |||
| 34 | |||
| 35 | |||
| 36 | /* ---------------------------------------------------------------------------- |
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| 37 | * Return codes from interface commands |
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| 38 | * --------------------------------------------------------------------------*/ |
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| 39 | |||
| 40 | #define COMMAND_INVALID_FOR_PORT 0x50 /* the command is invalid for the selected port */ |
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| 41 | #define DISABLE_ASY_COMMS_BEFORE_CFG 0xE1 /* communications must be disabled before setting the configuration */ |
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| 42 | #define ASY_COMMS_ENABLED 0xE1 /* communications are currently enabled */ |
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| 43 | #define ASY_COMMS_DISABLED 0xE1 /* communications are currently disabled */ |
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| 44 | #define ASY_CFG_BEFORE_COMMS_ENABLED 0xE2 /* perform a SET_ASY_CONFIGURATION before enabling comms */ |
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| 45 | #define LGTH_ASY_CFG_DATA_INVALID 0xE2 /* the length of the passed configuration data is invalid */ |
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| 46 | #define INVALID_ASY_CFG_DATA 0xE3 /* the passed configuration data is invalid */ |
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| 47 | #define ASY_BREAK_SIGNAL_BUSY 0xEC /* a break signal is being transmitted */ |
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| 48 | |||
| 49 | |||
| 50 | |||
| 51 | /* ---------------------------------------------------------------------------- |
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| 52 | * Constants for the SET_ASY_CONFIGURATION/READ_ASY_CONFIGURATION command |
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| 53 | * --------------------------------------------------------------------------*/ |
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| 54 | |||
| 55 | /* the asynchronous configuration structure */ |
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| 56 | typedef struct { |
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| 57 | unsigned long baud_rate PACKED; /* the baud rate */ |
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| 58 | unsigned short line_config_options PACKED; /* line configuration options */ |
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| 59 | unsigned short modem_config_options PACKED; /* modem configuration options */ |
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| 60 | unsigned short asy_API_options PACKED; /* asynchronous API options */ |
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| 61 | unsigned short asy_protocol_options PACKED; /* asynchronous protocol options */ |
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| 62 | unsigned short Tx_bits_per_char PACKED; /* number of bits per tx character */ |
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| 63 | unsigned short Rx_bits_per_char PACKED; /* number of bits per received character */ |
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| 64 | unsigned short stop_bits PACKED; /* number of stop bits per character */ |
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| 65 | unsigned short parity PACKED; /* parity definition */ |
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| 66 | unsigned short break_timer PACKED; /* the break signal timer */ |
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| 67 | unsigned short asy_Rx_inter_char_timer PACKED; /* the receive inter-character timer */ |
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| 68 | unsigned short asy_Rx_complete_length PACKED; /* the receive 'buffer complete' length */ |
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| 69 | unsigned short XON_char PACKED; /* the XON character */ |
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| 70 | unsigned short XOFF_char PACKED; /* the XOFF character */ |
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| 71 | unsigned short asy_statistics_options PACKED; /* async operational stat options */ |
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| 72 | unsigned long ptr_shared_mem_info_struct PACKED;/* ptr to the shared memory area information structure */ |
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| 73 | unsigned long ptr_asy_Tx_stat_el_cfg_struct PACKED;/* ptr to the transmit status element configuration structure */ |
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| 74 | unsigned long ptr_asy_Rx_stat_el_cfg_struct PACKED;/* ptr to the receive status element configuration structure */ |
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| 75 | } ASY_CONFIGURATION_STRUCT; |
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| 76 | |||
| 77 | /* permitted minimum and maximum values for setting the asynchronous configuration */ |
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| 78 | #define MIN_ASY_BAUD_RATE 50 /* maximum baud rate */ |
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| 79 | #define MAX_ASY_BAUD_RATE 250000 /* minimum baud rate */ |
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| 80 | #define MIN_ASY_BITS_PER_CHAR 5 /* minimum number of bits per character */ |
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| 81 | #define MAX_ASY_BITS_PER_CHAR 8 /* maximum number of bits per character */ |
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| 82 | #define MIN_BREAK_TMR_VAL 0 /* minimum break signal timer */ |
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| 83 | #define MAX_BREAK_TMR_VAL 5000 /* maximum break signal timer */ |
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| 84 | #define MIN_ASY_RX_INTER_CHAR_TMR 0 /* minimum receive inter-character timer */ |
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| 85 | #define MAX_ASY_RX_INTER_CHAR_TMR 30000 /* maximum receive inter-character timer */ |
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| 86 | #define MIN_ASY_RX_CPLT_LENGTH 0 /* minimum receive 'length complete' value */ |
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| 87 | #define MAX_ASY_RX_CPLT_LENGTH 2000 /* maximum receive 'length complete' value */ |
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| 88 | |||
| 89 | /* bit settings for the 'asy_API_options' */ |
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| 90 | #define ASY_RX_DATA_TRANSPARENT 0x0001 /* do not strip parity and unused bits from received characters */ |
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| 91 | |||
| 92 | /* bit settings for the 'asy_protocol_options' */ |
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| 93 | #define ASY_RTS_HS_FOR_RX 0x0001 /* RTS handshaking is used for reception control */ |
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| 94 | #define ASY_XON_XOFF_HS_FOR_RX 0x0002 /* XON/XOFF handshaking is used for reception control */ |
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| 95 | #define ASY_XON_XOFF_HS_FOR_TX 0x0004 /* XON/XOFF handshaking is used for transmission control */ |
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| 96 | #define ASY_DCD_HS_FOR_TX 0x0008 /* DCD handshaking is used for transmission control */ |
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| 97 | #define ASY_CTS_HS_FOR_TX 0x0020 /* CTS handshaking is used for transmission control */ |
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| 98 | |||
| 99 | /* bit settings for the 'stop_bits' definition */ |
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| 100 | #define ONE_STOP_BIT 1 /* representation for 1 stop bit */ |
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| 101 | #define TWO_STOP_BITS 2 /* representation for 2 stop bits */ |
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| 102 | #define ONE_AND_A_HALF_STOP_BITS 3 /* representation for 1.5 stop bits */ |
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| 103 | |||
| 104 | /* bit settings for the 'parity' definition */ |
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| 105 | #define NO_PARITY 0 /* representation for no parity */ |
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| 106 | #define ODD_PARITY 1 /* representation for odd parity */ |
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| 107 | #define EVEN_PARITY 2 /* representation for even parity */ |
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| 108 | |||
| 109 | |||
| 110 | |||
| 111 | /* ---------------------------------------------------------------------------- |
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| 112 | * Constants for the READ_COMMS_ERROR_STATS command (asynchronous mode) |
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| 113 | * --------------------------------------------------------------------------*/ |
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| 114 | |||
| 115 | /* the communications error statistics structure */ |
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| 116 | typedef struct { |
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| 117 | unsigned short Rx_overrun_err_count PACKED; /* receiver overrun error count */ |
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| 118 | unsigned short Rx_parity_err_count PACKED; /* parity errors received count */ |
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| 119 | unsigned short Rx_framing_err_count PACKED; /* framing errors received count */ |
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| 120 | unsigned short comms_err_stat_reserved_1 PACKED;/* reserved for later use */ |
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| 121 | unsigned short comms_err_stat_reserved_2 PACKED;/* reserved for later use */ |
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| 122 | unsigned short comms_err_stat_reserved_3 PACKED;/* reserved for later use */ |
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| 123 | unsigned short comms_err_stat_reserved_4 PACKED;/* reserved for later use */ |
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| 124 | unsigned short comms_err_stat_reserved_5 PACKED;/* reserved for later use */ |
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| 125 | unsigned short DCD_state_change_count PACKED; /* DCD state change count */ |
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| 126 | unsigned short CTS_state_change_count PACKED; /* CTS state change count */ |
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| 127 | } ASY_COMMS_ERROR_STATS_STRUCT; |
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| 128 | |||
| 129 | |||
| 130 | |||
| 131 | /* ---------------------------------------------------------------------------- |
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| 132 | * Constants for the READ_ASY_OPERATIONAL_STATS command |
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| 133 | * --------------------------------------------------------------------------*/ |
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| 134 | |||
| 135 | /* the asynchronous operational statistics structure */ |
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| 136 | typedef struct { |
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| 137 | |||
| 138 | /* Data transmission statistics */ |
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| 139 | unsigned long Data_blocks_Tx_count PACKED;/* number of blocks transmitted */ |
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| 140 | unsigned long Data_bytes_Tx_count PACKED;/* number of bytes transmitted */ |
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| 141 | unsigned long Data_Tx_throughput PACKED;/* transmit throughput */ |
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| 142 | unsigned long no_ms_for_Data_Tx_thruput_comp PACKED;/* millisecond time used for the Tx throughput computation */ |
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| 143 | unsigned long Tx_Data_discard_lgth_err_count PACKED;/* number of Data blocks discarded (length error) */ |
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| 144 | unsigned long reserved_Data_frm_Tx_stat1 PACKED;/* reserved for later use */ |
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| 145 | unsigned long reserved_Data_frm_Tx_stat2 PACKED;/* reserved for later use */ |
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| 146 | unsigned long reserved_Data_frm_Tx_stat3 PACKED;/* reserved for later use */ |
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| 147 | |||
| 148 | /* Data reception statistics */ |
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| 149 | unsigned long Data_blocks_Rx_count PACKED;/* number of blocks received */ |
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| 150 | unsigned long Data_bytes_Rx_count PACKED;/* number of bytes received */ |
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| 151 | unsigned long Data_Rx_throughput PACKED;/* receive throughput */ |
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| 152 | unsigned long no_ms_for_Data_Rx_thruput_comp PACKED;/* millisecond time used for the Rx throughput computation */ |
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| 153 | unsigned long Rx_Data_bytes_discard_count PACKED;/* received Data bytes discarded */ |
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| 154 | unsigned long reserved_Data_frm_Rx_stat1 PACKED;/* reserved for later use */ |
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| 155 | |||
| 156 | /* handshaking protocol statistics */ |
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| 157 | unsigned short XON_chars_Tx_count PACKED; /* number of XON characters transmitted */ |
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| 158 | unsigned short XOFF_chars_Tx_count PACKED; /* number of XOFF characters transmitted */ |
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| 159 | unsigned short XON_chars_Rx_count PACKED; /* number of XON characters received */ |
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| 160 | unsigned short XOFF_chars_Rx_count PACKED; /* number of XOFF characters received */ |
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| 161 | unsigned short Tx_halt_modem_low_count PACKED; /* number of times Tx halted (modem line low) */ |
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| 162 | unsigned short Rx_halt_RTS_low_count PACKED; /* number of times Rx halted by setting RTS low */ |
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| 163 | unsigned long reserved_handshaking_stat1 PACKED;/* reserved for later use */ |
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| 164 | |||
| 165 | /* break statistics */ |
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| 166 | unsigned short break_Tx_count PACKED; /* number of break sequences transmitted */ |
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| 167 | unsigned short break_Rx_count PACKED; /* number of break sequences received */ |
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| 168 | unsigned long reserved_break_stat1 PACKED;/* reserved for later use */ |
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| 169 | |||
| 170 | /* miscellaneous statistics */ |
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| 171 | unsigned long reserved_misc_stat1 PACKED; /* reserved for later use */ |
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| 172 | unsigned long reserved_misc_stat2 PACKED; /* reserved for later use */ |
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| 173 | |||
| 174 | } ASY_OPERATIONAL_STATS_STRUCT; |
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| 175 | |||
| 176 | |||
| 177 | |||
| 178 | /* ---------------------------------------------------------------------------- |
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| 179 | * Constants for Data transmission |
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| 180 | * --------------------------------------------------------------------------*/ |
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| 181 | |||
| 182 | /* the Data block transmit status element configuration structure */ |
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| 183 | typedef struct { |
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| 184 | unsigned short number_Tx_status_elements PACKED; /* number of transmit status elements */ |
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| 185 | unsigned long base_addr_Tx_status_elements PACKED; /* base address of the transmit element list */ |
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| 186 | unsigned long next_Tx_status_element_to_use PACKED; /* pointer to the next transmit element to be used */ |
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| 187 | } ASY_TX_STATUS_EL_CFG_STRUCT; |
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| 188 | |||
| 189 | |||
| 190 | /* the Data block transmit status element structure */ |
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| 191 | typedef struct { |
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| 192 | unsigned char opp_flag PACKED; /* opp flag */ |
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| 193 | unsigned short data_length PACKED; /* length of the block to be transmitted */ |
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| 194 | unsigned char reserved_1 PACKED; /* reserved for internal use */ |
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| 195 | unsigned long reserved_2 PACKED; /* reserved for internal use */ |
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| 196 | unsigned long reserved_3 PACKED; /* reserved for internal use */ |
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| 197 | unsigned long ptr_data_bfr PACKED; /* pointer to the data area */ |
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| 198 | } ASY_DATA_TX_STATUS_EL_STRUCT; |
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| 199 | |||
| 200 | |||
| 201 | |||
| 202 | /* ---------------------------------------------------------------------------- |
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| 203 | * Constants for Data reception |
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| 204 | * --------------------------------------------------------------------------*/ |
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| 205 | |||
| 206 | /* the Data block receive status element configuration structure */ |
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| 207 | typedef struct { |
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| 208 | unsigned short number_Rx_status_elements PACKED;/* number of receive status elements */ |
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| 209 | unsigned long base_addr_Rx_status_elements PACKED;/* base address of the receive element list */ |
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| 210 | unsigned long next_Rx_status_element_to_use PACKED;/* pointer to the next receive element to be used */ |
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| 211 | unsigned long base_addr_Rx_buffer PACKED;/* base address of the receive data buffer */ |
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| 212 | unsigned long end_addr_Rx_buffer PACKED;/* end address of the receive data buffer */ |
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| 213 | } ASY_RX_STATUS_EL_CFG_STRUCT; |
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| 214 | |||
| 215 | /* the Data block receive status element structure */ |
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| 216 | typedef struct { |
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| 217 | unsigned char opp_flag PACKED; /* opp flag */ |
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| 218 | unsigned short data_length PACKED; /* length of the received data block */ |
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| 219 | unsigned char reserved_1 PACKED; /* reserved for internal use */ |
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| 220 | unsigned short time_stamp PACKED; /* receive time stamp (HDLC_STREAMING_MODE) */ |
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| 221 | unsigned short data_buffered PACKED; /* the number of data bytes still buffered */ |
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| 222 | unsigned long reserved_2 PACKED; /* reserved for internal use */ |
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| 223 | unsigned long ptr_data_bfr PACKED; /* pointer to the data area */ |
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| 224 | } ASY_DATA_RX_STATUS_EL_STRUCT; |
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| 225 | |||
| 226 | #endif |