- /*
- * 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
- /* adapter type */
- #define SDLA_TYPES
- #define SDLA_S502A 5020
- #define SDLA_S502E 5021
- #define SDLA_S503 5030
- #define SDLA_S507 5070
- #define SDLA_S508 5080
- #define SDLA_S509 5090
- #define SDLA_UNKNOWN -1
- /* port selection flags for the S508 */
- #define SDLA_S508_PORT_V35 0x00
- #define SDLA_S508_PORT_RS232 0x02
- /* Z80 CPU speeds */
- #define SDLA_CPU_3M 0x00
- #define SDLA_CPU_5M 0x01
- #define SDLA_CPU_7M 0x02
- #define SDLA_CPU_8M 0x03
- #define SDLA_CPU_10M 0x04
- #define SDLA_CPU_16M 0x05
- #define SDLA_CPU_12M 0x06
- /* some private IOCTLs */
- #define SDLA_IDENTIFY (FRAD_LAST_IOCTL + 1)
- #define SDLA_CPUSPEED (FRAD_LAST_IOCTL + 2)
- #define SDLA_PROTOCOL (FRAD_LAST_IOCTL + 3)
- #define SDLA_CLEARMEM (FRAD_LAST_IOCTL + 4)
- #define SDLA_WRITEMEM (FRAD_LAST_IOCTL + 5)
- #define SDLA_READMEM (FRAD_LAST_IOCTL + 6)
- struct sdla_mem {
- int addr;
- int len;
- void *data;
- };
- #define SDLA_START (FRAD_LAST_IOCTL + 7)
- #define SDLA_STOP (FRAD_LAST_IOCTL + 8)
- /* some offsets in the Z80's memory space */
- #define SDLA_NMIADDR 0x0000
- #define SDLA_CONF_ADDR 0x0010
- #define SDLA_S502A_NMIADDR 0x0066
- #define SDLA_CODE_BASEADDR 0x0100
- #define SDLA_WINDOW_SIZE 0x2000
- #define SDLA_ADDR_MASK 0x1FFF
- /* largest handleable block of data */
- #define SDLA_MAX_DATA 4080
- #define SDLA_MAX_MTU 4072 /* MAX_DATA - sizeof(fradhdr) */
- #define SDLA_MAX_DLCI 24
- /* this should be the same as frad_conf */
- struct sdla_conf {
- short station;
- short config;
- short kbaud;
- short clocking;
- short max_frm;
- short T391;
- short T392;
- short N391;
- short N392;
- short N393;
- short CIR_fwd;
- short Bc_fwd;
- short Be_fwd;
- short CIR_bwd;
- short Bc_bwd;
- short Be_bwd;
- };
- /* this should be the same as dlci_conf */
- struct sdla_dlci_conf {
- short config;
- short CIR_fwd;
- short Bc_fwd;
- short Be_fwd;
- short CIR_bwd;
- short Bc_bwd;
- short Be_bwd;
- short Tc_fwd;
- short Tc_bwd;
- short Tf_max;
- short Tb_max;
- };
- #ifndef __KERNEL__
- void sdla(void *cfg_info, char *dev, struct frad_conf *conf, int quiet);
- #else
- /* 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 __attribute__((packed));
- char cmd __attribute__((packed));
- short length __attribute__((packed));
- char retval __attribute__((packed));
- short dlci __attribute__((packed));
- char flags __attribute__((packed));
- short rxlost_int __attribute__((packed));
- long rxlost_app __attribute__((packed));
- char reserve[2] __attribute__((packed));
- char data[SDLA_MAX_DATA] __attribute__((packed)); /* transfer data buffer */
- };
- struct intr_info {
- char flags __attribute__((packed));
- short txlen __attribute__((packed));
- char irq __attribute__((packed));
- char flags2 __attribute__((packed));
- short timeout __attribute__((packed));
- };
- /* found in the 508's control window at RXBUF_INFO */
- struct buf_info {
- unsigned short rse_num __attribute__((packed));
- unsigned long rse_base __attribute__((packed));
- unsigned long rse_next __attribute__((packed));
- unsigned long buf_base __attribute__((packed));
- unsigned short reserved __attribute__((packed));
- unsigned long buf_top __attribute__((packed));
- };
- /* structure pointed to by rse_base in RXBUF_INFO struct */
- struct buf_entry {
- char opp_flag __attribute__((packed));
- short length __attribute__((packed));
- short dlci __attribute__((packed));
- char flags __attribute__((packed));
- short timestamp __attribute__((packed));
- short reserved[2] __attribute__((packed));
- long buf_addr __attribute__((packed));
- };
- #endif
- #endif