--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/include/linux/sdla.h Sun Jan 11 20:20:11 2009 +0100
@@ -0,0 +1,339 @@
+/*
+ * 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 __user *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;
+ 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
+
+#endif