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Diffstat (limited to 'include/linux/sdla_asy.h')
| -rw-r--r-- | include/linux/sdla_asy.h | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/include/linux/sdla_asy.h b/include/linux/sdla_asy.h new file mode 100644 index 000000000000..f62242537c86 --- /dev/null +++ b/include/linux/sdla_asy.h @@ -0,0 +1,226 @@ +/***************************************************************************** +* 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 |