| /* |
| * INET An implementation of the TCP/IP protocol suite for the LINUX |
| * operating system. INET is implemented using the BSD Socket |
| * interface as the means of communication with the user level. |
| * |
| * Global definitions for the Frame relay interface. |
| * |
| * Version: @(#)if_ifrad.h 0.20 13 Apr 96 |
| * |
| * Author: Mike McLagan <mike.mclagan@linux.org> |
| * |
| * Changes: |
| * 0.15 Mike McLagan Structure packing |
| * |
| * 0.20 Mike McLagan New flags for S508 buffer handling |
| * |
| * 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. |
| */ |
| #ifndef SDLA_H |
| #define SDLA_H |
| |
| #include <uapi/linux/sdla.h> |
| |
| |
| /* important Z80 window addresses */ |
| #define SDLA_CONTROL_WND 0xE000 |
| |
| #define SDLA_502_CMD_BUF 0xEF60 |
| #define SDLA_502_RCV_BUF 0xA900 |
| #define SDLA_502_TXN_AVAIL 0xFFF1 |
| #define SDLA_502_RCV_AVAIL 0xFFF2 |
| #define SDLA_502_EVENT_FLAGS 0xFFF3 |
| #define SDLA_502_MDM_STATUS 0xFFF4 |
| #define SDLA_502_IRQ_INTERFACE 0xFFFD |
| #define SDLA_502_IRQ_PERMISSION 0xFFFE |
| #define SDLA_502_DATA_OFS 0x0010 |
| |
| #define SDLA_508_CMD_BUF 0xE000 |
| #define SDLA_508_TXBUF_INFO 0xF100 |
| #define SDLA_508_RXBUF_INFO 0xF120 |
| #define SDLA_508_EVENT_FLAGS 0xF003 |
| #define SDLA_508_MDM_STATUS 0xF004 |
| #define SDLA_508_IRQ_INTERFACE 0xF010 |
| #define SDLA_508_IRQ_PERMISSION 0xF011 |
| #define SDLA_508_TSE_OFFSET 0xF012 |
| |
| /* Event flags */ |
| #define SDLA_EVENT_STATUS 0x01 |
| #define SDLA_EVENT_DLCI_STATUS 0x02 |
| #define SDLA_EVENT_BAD_DLCI 0x04 |
| #define SDLA_EVENT_LINK_DOWN 0x40 |
| |
| /* IRQ Trigger flags */ |
| #define SDLA_INTR_RX 0x01 |
| #define SDLA_INTR_TX 0x02 |
| #define SDLA_INTR_MODEM 0x04 |
| #define SDLA_INTR_COMPLETE 0x08 |
| #define SDLA_INTR_STATUS 0x10 |
| #define SDLA_INTR_TIMER 0x20 |
| |
| /* DLCI status bits */ |
| #define SDLA_DLCI_DELETED 0x01 |
| #define SDLA_DLCI_ACTIVE 0x02 |
| #define SDLA_DLCI_WAITING 0x04 |
| #define SDLA_DLCI_NEW 0x08 |
| #define SDLA_DLCI_INCLUDED 0x40 |
| |
| /* valid command codes */ |
| #define SDLA_INFORMATION_WRITE 0x01 |
| #define SDLA_INFORMATION_READ 0x02 |
| #define SDLA_ISSUE_IN_CHANNEL_SIGNAL 0x03 |
| #define SDLA_SET_DLCI_CONFIGURATION 0x10 |
| #define SDLA_READ_DLCI_CONFIGURATION 0x11 |
| #define SDLA_DISABLE_COMMUNICATIONS 0x12 |
| #define SDLA_ENABLE_COMMUNICATIONS 0x13 |
| #define SDLA_READ_DLC_STATUS 0x14 |
| #define SDLA_READ_DLC_STATISTICS 0x15 |
| #define SDLA_FLUSH_DLC_STATISTICS 0x16 |
| #define SDLA_LIST_ACTIVE_DLCI 0x17 |
| #define SDLA_FLUSH_INFORMATION_BUFFERS 0x18 |
| #define SDLA_ADD_DLCI 0x20 |
| #define SDLA_DELETE_DLCI 0x21 |
| #define SDLA_ACTIVATE_DLCI 0x22 |
| #define SDLA_DEACTIVATE_DLCI 0x23 |
| #define SDLA_READ_MODEM_STATUS 0x30 |
| #define SDLA_SET_MODEM_STATUS 0x31 |
| #define SDLA_READ_COMMS_ERR_STATS 0x32 |
| #define SDLA_FLUSH_COMMS_ERR_STATS 0x33 |
| #define SDLA_READ_CODE_VERSION 0x40 |
| #define SDLA_SET_IRQ_TRIGGER 0x50 |
| #define SDLA_GET_IRQ_TRIGGER 0x51 |
| |
| /* In channel signal types */ |
| #define SDLA_ICS_LINK_VERIFY 0x02 |
| #define SDLA_ICS_STATUS_ENQ 0x03 |
| |
| /* modem status flags */ |
| #define SDLA_MODEM_DTR_HIGH 0x01 |
| #define SDLA_MODEM_RTS_HIGH 0x02 |
| #define SDLA_MODEM_DCD_HIGH 0x08 |
| #define SDLA_MODEM_CTS_HIGH 0x20 |
| |
| /* used for RET_MODEM interpretation */ |
| #define SDLA_MODEM_DCD_LOW 0x01 |
| #define SDLA_MODEM_CTS_LOW 0x02 |
| |
| /* return codes */ |
| #define SDLA_RET_OK 0x00 |
| #define SDLA_RET_COMMUNICATIONS 0x01 |
| #define SDLA_RET_CHANNEL_INACTIVE 0x02 |
| #define SDLA_RET_DLCI_INACTIVE 0x03 |
| #define SDLA_RET_DLCI_CONFIG 0x04 |
| #define SDLA_RET_BUF_TOO_BIG 0x05 |
| #define SDLA_RET_NO_DATA 0x05 |
| #define SDLA_RET_BUF_OVERSIZE 0x06 |
| #define SDLA_RET_CIR_OVERFLOW 0x07 |
| #define SDLA_RET_NO_BUFS 0x08 |
| #define SDLA_RET_TIMEOUT 0x0A |
| #define SDLA_RET_MODEM 0x10 |
| #define SDLA_RET_CHANNEL_OFF 0x11 |
| #define SDLA_RET_CHANNEL_ON 0x12 |
| #define SDLA_RET_DLCI_STATUS 0x13 |
| #define SDLA_RET_DLCI_UNKNOWN 0x14 |
| #define SDLA_RET_COMMAND_INVALID 0x1F |
| |
| /* Configuration flags */ |
| #define SDLA_DIRECT_RECV 0x0080 |
| #define SDLA_TX_NO_EXCEPT 0x0020 |
| #define SDLA_NO_ICF_MSGS 0x1000 |
| #define SDLA_TX50_RX50 0x0000 |
| #define SDLA_TX70_RX30 0x2000 |
| #define SDLA_TX30_RX70 0x4000 |
| |
| /* IRQ selection flags */ |
| #define SDLA_IRQ_RECEIVE 0x01 |
| #define SDLA_IRQ_TRANSMIT 0x02 |
| #define SDLA_IRQ_MODEM_STAT 0x04 |
| #define SDLA_IRQ_COMMAND 0x08 |
| #define SDLA_IRQ_CHANNEL 0x10 |
| #define SDLA_IRQ_TIMER 0x20 |
| |
| /* definitions for PC memory mapping */ |
| #define SDLA_8K_WINDOW 0x01 |
| #define SDLA_S502_SEG_A 0x10 |
| #define SDLA_S502_SEG_C 0x20 |
| #define SDLA_S502_SEG_D 0x00 |
| #define SDLA_S502_SEG_E 0x30 |
| #define SDLA_S507_SEG_A 0x00 |
| #define SDLA_S507_SEG_B 0x40 |
| #define SDLA_S507_SEG_C 0x80 |
| #define SDLA_S507_SEG_E 0xC0 |
| #define SDLA_S508_SEG_A 0x00 |
| #define SDLA_S508_SEG_C 0x10 |
| #define SDLA_S508_SEG_D 0x08 |
| #define SDLA_S508_SEG_E 0x18 |
| |
| /* SDLA adapter port constants */ |
| #define SDLA_IO_EXTENTS 0x04 |
| |
| #define SDLA_REG_CONTROL 0x00 |
| #define SDLA_REG_PC_WINDOW 0x01 /* offset for PC window select latch */ |
| #define SDLA_REG_Z80_WINDOW 0x02 /* offset for Z80 window select latch */ |
| #define SDLA_REG_Z80_CONTROL 0x03 /* offset for Z80 control latch */ |
| |
| #define SDLA_S502_STS 0x00 /* status reg for 502, 502E, 507 */ |
| #define SDLA_S508_GNRL 0x00 /* general purp. reg for 508 */ |
| #define SDLA_S508_STS 0x01 /* status reg for 508 */ |
| #define SDLA_S508_IDR 0x02 /* ID reg for 508 */ |
| |
| /* control register flags */ |
| #define SDLA_S502A_START 0x00 /* start the CPU */ |
| #define SDLA_S502A_INTREQ 0x02 |
| #define SDLA_S502A_INTEN 0x04 |
| #define SDLA_S502A_HALT 0x08 /* halt the CPU */ |
| #define SDLA_S502A_NMI 0x10 /* issue an NMI to the CPU */ |
| |
| #define SDLA_S502E_CPUEN 0x01 |
| #define SDLA_S502E_ENABLE 0x02 |
| #define SDLA_S502E_INTACK 0x04 |
| |
| #define SDLA_S507_ENABLE 0x01 |
| #define SDLA_S507_IRQ3 0x00 |
| #define SDLA_S507_IRQ4 0x20 |
| #define SDLA_S507_IRQ5 0x40 |
| #define SDLA_S507_IRQ7 0x60 |
| #define SDLA_S507_IRQ10 0x80 |
| #define SDLA_S507_IRQ11 0xA0 |
| #define SDLA_S507_IRQ12 0xC0 |
| #define SDLA_S507_IRQ15 0xE0 |
| |
| #define SDLA_HALT 0x00 |
| #define SDLA_CPUEN 0x02 |
| #define SDLA_MEMEN 0x04 |
| #define SDLA_S507_EPROMWR 0x08 |
| #define SDLA_S507_EPROMCLK 0x10 |
| #define SDLA_S508_INTRQ 0x08 |
| #define SDLA_S508_INTEN 0x10 |
| |
| struct sdla_cmd { |
| char opp_flag; |
| char cmd; |
| short length; |
| char retval; |
| short dlci; |
| char flags; |
| short rxlost_int; |
| long rxlost_app; |
| char reserve[2]; |
| char data[SDLA_MAX_DATA]; /* transfer data buffer */ |
| } __attribute__((packed)); |
| |
| struct intr_info { |
| char flags; |
| short txlen; |
| char irq; |
| char flags2; |
| short timeout; |
| } __attribute__((packed)); |
| |
| /* found in the 508's control window at RXBUF_INFO */ |
| struct buf_info { |
| unsigned short rse_num; |
| unsigned long rse_base; |
| unsigned long rse_next; |
| unsigned long buf_base; |
| unsigned short reserved; |
| unsigned long buf_top; |
| } __attribute__((packed)); |
| |
| /* structure pointed to by rse_base in RXBUF_INFO struct */ |
| struct buf_entry { |
| char opp_flag; |
| short length; |
| short dlci; |
| char flags; |
| short timestamp; |
| short reserved[2]; |
| long buf_addr; |
| } __attribute__((packed)); |
| |
| #endif |
