Initial import

1 files changed, 244 insertions, 0 deletions

diff --git a/include/linux/sdla.h b/include/linux/sdla.h
new file mode 100644
index 000000000..fe7a967d7
--- /dev/null
+++ b/include/linux/sdla.h
@@ -0,0 +1,244 @@
+/*
+ * 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