# define DGAP_UNLOCK(x,y) spin_unlock_irqrestore(&(x), y)
# define DGAP_TRYLOCK(x,y) spin_trylock(&(x))
+/************************************************************************
+ * FEP memory offsets
+ ************************************************************************/
+#define START 0x0004L /* Execution start address */
+
+#define CMDBUF 0x0d10L /* Command (cm_t) structure offset */
+#define CMDSTART 0x0400L /* Start of command buffer */
+#define CMDMAX 0x0800L /* End of command buffer */
+
+#define EVBUF 0x0d18L /* Event (ev_t) structure */
+#define EVSTART 0x0800L /* Start of event buffer */
+#define EVMAX 0x0c00L /* End of event buffer */
+#define FEP5_PLUS 0x0E40 /* ASCII '5' and ASCII 'A' is here */
+#define ECS_SEG 0x0E44 /* Segment of the extended channel structure */
+#define LINE_SPEED 0x10 /* Offset into ECS_SEG for line speed */
+ /* if the fep has extended capabilities */
+
+/* BIOS MAGIC SPOTS */
+#define ERROR 0x0C14L /* BIOS error code */
+#define SEQUENCE 0x0C12L /* BIOS sequence indicator */
+#define POSTAREA 0x0C00L /* POST complete message area */
+
+/* FEP MAGIC SPOTS */
+#define FEPSTAT POSTAREA /* OS here when FEP comes up */
+#define NCHAN 0x0C02L /* number of ports FEP sees */
+#define PANIC 0x0C10L /* PANIC area for FEP */
+#define KMEMEM 0x0C30L /* Memory for KME use */
+#define CONFIG 0x0CD0L /* Concentrator configuration info */
+#define CONFIGSIZE 0x0030 /* configuration info size */
+#define DOWNREQ 0x0D00 /* Download request buffer pointer */
+
+#define CHANBUF 0x1000L /* Async channel (bs_t) structs */
+#define FEPOSSIZE 0x1FFF /* 8K FEPOS */
+
+#define XEMPORTS 0xC02 /*
+ * Offset in board memory where FEP5 stores
+ * how many ports it has detected.
+ * NOTE: FEP5 reports 64 ports when the user
+ * has the cable in EBI OUT instead of EBI IN.
+ */
+
+#define FEPCLR 0x00
+#define FEPMEM 0x02
+#define FEPRST 0x04
+#define FEPINT 0x08
+#define FEPMASK 0x0e
+#define FEPWIN 0x80
+
+#define LOWMEM 0x0100
+#define HIGHMEM 0x7f00
+
+#define FEPTIMEOUT 200000
+
+#define ENABLE_INTR 0x0e04 /* Enable interrupts flag */
+#define FEPPOLL_MIN 1 /* minimum of 1 millisecond */
+#define FEPPOLL_MAX 20 /* maximum of 20 milliseconds */
+#define FEPPOLL 0x0c26 /* Fep event poll interval */
+
+#define IALTPIN 0x0080 /* Input flag to swap DSR <-> DCD */
+
+/************************************************************************
+ * FEP supported functions
+ ************************************************************************/
+#define SRLOW 0xe0 /* Set receive low water */
+#define SRHIGH 0xe1 /* Set receive high water */
+#define FLUSHTX 0xe2 /* Flush transmit buffer */
+#define PAUSETX 0xe3 /* Pause data transmission */
+#define RESUMETX 0xe4 /* Resume data transmission */
+#define SMINT 0xe5 /* Set Modem Interrupt */
+#define SAFLOWC 0xe6 /* Set Aux. flow control chars */
+#define SBREAK 0xe8 /* Send break */
+#define SMODEM 0xe9 /* Set 8530 modem control lines */
+#define SIFLAG 0xea /* Set UNIX iflags */
+#define SFLOWC 0xeb /* Set flow control characters */
+#define STLOW 0xec /* Set transmit low water mark */
+#define RPAUSE 0xee /* Pause receive */
+#define RRESUME 0xef /* Resume receive */
+#define CHRESET 0xf0 /* Reset Channel */
+#define BUFSETALL 0xf2 /* Set Tx & Rx buffer size avail*/
+#define SOFLAG 0xf3 /* Set UNIX oflags */
+#define SHFLOW 0xf4 /* Set hardware handshake */
+#define SCFLAG 0xf5 /* Set UNIX cflags */
+#define SVNEXT 0xf6 /* Set VNEXT character */
+#define SPINTFC 0xfc /* Reserved */
+#define SCOMMODE 0xfd /* Set RS232/422 mode */
+
+
+/************************************************************************
+ * Modes for SCOMMODE
+ ************************************************************************/
+#define MODE_232 0x00
+#define MODE_422 0x01
+
+
+/************************************************************************
+ * Event flags.
+ ************************************************************************/
+#define IFBREAK 0x01 /* Break received */
+#define IFTLW 0x02 /* Transmit low water */
+#define IFTEM 0x04 /* Transmitter empty */
+#define IFDATA 0x08 /* Receive data present */
+#define IFMODEM 0x20 /* Modem status change */
+
+/************************************************************************
+ * Modem flags
+ ************************************************************************/
+# define DM_RTS 0x02 /* Request to send */
+# define DM_CD 0x80 /* Carrier detect */
+# define DM_DSR 0x20 /* Data set ready */
+# define DM_CTS 0x10 /* Clear to send */
+# define DM_RI 0x40 /* Ring indicator */
+# define DM_DTR 0x01 /* Data terminal ready */
+
/*
* All the possible states the driver can be while being loaded.
*/
wait_queue_head_t ch_sniff_wait;
};
+/************************************************************************
+ * Command structure definition.
+ ************************************************************************/
+struct cm_t {
+ volatile unsigned short cm_head; /* Command buffer head offset */
+ volatile unsigned short cm_tail; /* Command buffer tail offset */
+ volatile unsigned short cm_start; /* start offset of buffer */
+ volatile unsigned short cm_max; /* last offset of buffer */
+};
+
+/************************************************************************
+ * Event structure definition.
+ ************************************************************************/
+struct ev_t {
+ volatile unsigned short ev_head; /* Command buffer head offset */
+ volatile unsigned short ev_tail; /* Command buffer tail offset */
+ volatile unsigned short ev_start; /* start offset of buffer */
+ volatile unsigned short ev_max; /* last offset of buffer */
+};
+
+/************************************************************************
+ * Download buffer structure.
+ ************************************************************************/
+struct downld_t {
+ uchar dl_type; /* Header */
+ uchar dl_seq; /* Download sequence */
+ ushort dl_srev; /* Software revision number */
+ ushort dl_lrev; /* Low revision number */
+ ushort dl_hrev; /* High revision number */
+ ushort dl_seg; /* Start segment address */
+ ushort dl_size; /* Number of bytes to download */
+ uchar dl_data[1024]; /* Download data */
+};
+
+/************************************************************************
+ * Per channel buffer structure
+ ************************************************************************
+ * Base Structure Entries Usage Meanings to Host *
+ * *
+ * W = read write R = read only *
+ * C = changed by commands only *
+ * U = unknown (may be changed w/o notice) *
+ ************************************************************************/
+struct bs_t {
+ volatile unsigned short tp_jmp; /* Transmit poll jump */
+ volatile unsigned short tc_jmp; /* Cooked procedure jump */
+ volatile unsigned short ri_jmp; /* Not currently used */
+ volatile unsigned short rp_jmp; /* Receive poll jump */
+
+ volatile unsigned short tx_seg; /* W Tx segment */
+ volatile unsigned short tx_head; /* W Tx buffer head offset */
+ volatile unsigned short tx_tail; /* R Tx buffer tail offset */
+ volatile unsigned short tx_max; /* W Tx buffer size - 1 */
+
+ volatile unsigned short rx_seg; /* W Rx segment */
+ volatile unsigned short rx_head; /* W Rx buffer head offset */
+ volatile unsigned short rx_tail; /* R Rx buffer tail offset */
+ volatile unsigned short rx_max; /* W Rx buffer size - 1 */
+
+ volatile unsigned short tx_lw; /* W Tx buffer low water mark */
+ volatile unsigned short rx_lw; /* W Rx buffer low water mark */
+ volatile unsigned short rx_hw; /* W Rx buffer high water mark */
+ volatile unsigned short incr; /* W Increment to next channel */
+
+ volatile unsigned short fepdev; /* U SCC device base address */
+ volatile unsigned short edelay; /* W Exception delay */
+ volatile unsigned short blen; /* W Break length */
+ volatile unsigned short btime; /* U Break complete time */
+
+ volatile unsigned short iflag; /* C UNIX input flags */
+ volatile unsigned short oflag; /* C UNIX output flags */
+ volatile unsigned short cflag; /* C UNIX control flags */
+ volatile unsigned short wfill[13]; /* U Reserved for expansion */
+
+ volatile unsigned char num; /* U Channel number */
+ volatile unsigned char ract; /* U Receiver active counter */
+ volatile unsigned char bstat; /* U Break status bits */
+ volatile unsigned char tbusy; /* W Transmit busy */
+ volatile unsigned char iempty; /* W Transmit empty event enable */
+ volatile unsigned char ilow; /* W Transmit low-water event enable */
+ volatile unsigned char idata; /* W Receive data interrupt enable */
+ volatile unsigned char eflag; /* U Host event flags */
+
+ volatile unsigned char tflag; /* U Transmit flags */
+ volatile unsigned char rflag; /* U Receive flags */
+ volatile unsigned char xmask; /* U Transmit ready flags */
+ volatile unsigned char xval; /* U Transmit ready value */
+ volatile unsigned char m_stat; /* RC Modem status bits */
+ volatile unsigned char m_change; /* U Modem bits which changed */
+ volatile unsigned char m_int; /* W Modem interrupt enable bits */
+ volatile unsigned char m_last; /* U Last modem status */
+
+ volatile unsigned char mtran; /* C Unreported modem trans */
+ volatile unsigned char orun; /* C Buffer overrun occurred */
+ volatile unsigned char astartc; /* W Auxiliary Xon char */
+ volatile unsigned char astopc; /* W Auxiliary Xoff char */
+ volatile unsigned char startc; /* W Xon character */
+ volatile unsigned char stopc; /* W Xoff character */
+ volatile unsigned char vnextc; /* W Vnext character */
+ volatile unsigned char hflow; /* C Software flow control */
+
+ volatile unsigned char fillc; /* U Delay Fill character */
+ volatile unsigned char ochar; /* U Saved output character */
+ volatile unsigned char omask; /* U Output character mask */
+
+ volatile unsigned char bfill[13]; /* U Reserved for expansion */
+
+ volatile unsigned char scc[16]; /* U SCC registers */
+};
/*************************************************************************
*
+++ /dev/null
-/*
- * Copyright 2003 Digi International (www.digi.com)
- * Scott H Kilau <Scott_Kilau at digi dot com>
- *
- * 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, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED; without even the
- * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- * PURPOSE. See the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * NOTE: THIS IS A SHARED HEADER. DO NOT CHANGE CODING STYLE!!!
- *
- ************************************************************************
- *** FEP Version 5 dependent definitions
- ************************************************************************/
-
-#ifndef __DGAP_FEP5_H
-#define __DGAP_FEP5_H
-
-/************************************************************************
- * FEP memory offsets
- ************************************************************************/
-#define START 0x0004L /* Execution start address */
-
-#define CMDBUF 0x0d10L /* Command (cm_t) structure offset */
-#define CMDSTART 0x0400L /* Start of command buffer */
-#define CMDMAX 0x0800L /* End of command buffer */
-
-#define EVBUF 0x0d18L /* Event (ev_t) structure */
-#define EVSTART 0x0800L /* Start of event buffer */
-#define EVMAX 0x0c00L /* End of event buffer */
-#define FEP5_PLUS 0x0E40 /* ASCII '5' and ASCII 'A' is here */
-#define ECS_SEG 0x0E44 /* Segment of the extended channel structure */
-#define LINE_SPEED 0x10 /* Offset into ECS_SEG for line speed */
- /* if the fep has extended capabilities */
-
-/* BIOS MAGIC SPOTS */
-#define ERROR 0x0C14L /* BIOS error code */
-#define SEQUENCE 0x0C12L /* BIOS sequence indicator */
-#define POSTAREA 0x0C00L /* POST complete message area */
-
-/* FEP MAGIC SPOTS */
-#define FEPSTAT POSTAREA /* OS here when FEP comes up */
-#define NCHAN 0x0C02L /* number of ports FEP sees */
-#define PANIC 0x0C10L /* PANIC area for FEP */
-#define KMEMEM 0x0C30L /* Memory for KME use */
-#define CONFIG 0x0CD0L /* Concentrator configuration info */
-#define CONFIGSIZE 0x0030 /* configuration info size */
-#define DOWNREQ 0x0D00 /* Download request buffer pointer */
-
-#define CHANBUF 0x1000L /* Async channel (bs_t) structs */
-#define FEPOSSIZE 0x1FFF /* 8K FEPOS */
-
-#define XEMPORTS 0xC02 /*
- * Offset in board memory where FEP5 stores
- * how many ports it has detected.
- * NOTE: FEP5 reports 64 ports when the user
- * has the cable in EBI OUT instead of EBI IN.
- */
-
-#define FEPCLR 0x00
-#define FEPMEM 0x02
-#define FEPRST 0x04
-#define FEPINT 0x08
-#define FEPMASK 0x0e
-#define FEPWIN 0x80
-
-#define LOWMEM 0x0100
-#define HIGHMEM 0x7f00
-
-#define FEPTIMEOUT 200000
-
-#define ENABLE_INTR 0x0e04 /* Enable interrupts flag */
-#define FEPPOLL_MIN 1 /* minimum of 1 millisecond */
-#define FEPPOLL_MAX 20 /* maximum of 20 milliseconds */
-#define FEPPOLL 0x0c26 /* Fep event poll interval */
-
-#define IALTPIN 0x0080 /* Input flag to swap DSR <-> DCD */
-
-/************************************************************************
- * Command structure definition.
- ************************************************************************/
-struct cm_t {
- volatile unsigned short cm_head; /* Command buffer head offset */
- volatile unsigned short cm_tail; /* Command buffer tail offset */
- volatile unsigned short cm_start; /* start offset of buffer */
- volatile unsigned short cm_max; /* last offset of buffer */
-};
-
-/************************************************************************
- * Event structure definition.
- ************************************************************************/
-struct ev_t {
- volatile unsigned short ev_head; /* Command buffer head offset */
- volatile unsigned short ev_tail; /* Command buffer tail offset */
- volatile unsigned short ev_start; /* start offset of buffer */
- volatile unsigned short ev_max; /* last offset of buffer */
-};
-
-/************************************************************************
- * Download buffer structure.
- ************************************************************************/
-struct downld_t {
- uchar dl_type; /* Header */
- uchar dl_seq; /* Download sequence */
- ushort dl_srev; /* Software revision number */
- ushort dl_lrev; /* Low revision number */
- ushort dl_hrev; /* High revision number */
- ushort dl_seg; /* Start segment address */
- ushort dl_size; /* Number of bytes to download */
- uchar dl_data[1024]; /* Download data */
-};
-
-/************************************************************************
- * Per channel buffer structure
- ************************************************************************
- * Base Structure Entries Usage Meanings to Host *
- * *
- * W = read write R = read only *
- * C = changed by commands only *
- * U = unknown (may be changed w/o notice) *
- ************************************************************************/
-struct bs_t {
- volatile unsigned short tp_jmp; /* Transmit poll jump */
- volatile unsigned short tc_jmp; /* Cooked procedure jump */
- volatile unsigned short ri_jmp; /* Not currently used */
- volatile unsigned short rp_jmp; /* Receive poll jump */
-
- volatile unsigned short tx_seg; /* W Tx segment */
- volatile unsigned short tx_head; /* W Tx buffer head offset */
- volatile unsigned short tx_tail; /* R Tx buffer tail offset */
- volatile unsigned short tx_max; /* W Tx buffer size - 1 */
-
- volatile unsigned short rx_seg; /* W Rx segment */
- volatile unsigned short rx_head; /* W Rx buffer head offset */
- volatile unsigned short rx_tail; /* R Rx buffer tail offset */
- volatile unsigned short rx_max; /* W Rx buffer size - 1 */
-
- volatile unsigned short tx_lw; /* W Tx buffer low water mark */
- volatile unsigned short rx_lw; /* W Rx buffer low water mark */
- volatile unsigned short rx_hw; /* W Rx buffer high water mark */
- volatile unsigned short incr; /* W Increment to next channel */
-
- volatile unsigned short fepdev; /* U SCC device base address */
- volatile unsigned short edelay; /* W Exception delay */
- volatile unsigned short blen; /* W Break length */
- volatile unsigned short btime; /* U Break complete time */
-
- volatile unsigned short iflag; /* C UNIX input flags */
- volatile unsigned short oflag; /* C UNIX output flags */
- volatile unsigned short cflag; /* C UNIX control flags */
- volatile unsigned short wfill[13]; /* U Reserved for expansion */
-
- volatile unsigned char num; /* U Channel number */
- volatile unsigned char ract; /* U Receiver active counter */
- volatile unsigned char bstat; /* U Break status bits */
- volatile unsigned char tbusy; /* W Transmit busy */
- volatile unsigned char iempty; /* W Transmit empty event enable */
- volatile unsigned char ilow; /* W Transmit low-water event enable */
- volatile unsigned char idata; /* W Receive data interrupt enable */
- volatile unsigned char eflag; /* U Host event flags */
-
- volatile unsigned char tflag; /* U Transmit flags */
- volatile unsigned char rflag; /* U Receive flags */
- volatile unsigned char xmask; /* U Transmit ready flags */
- volatile unsigned char xval; /* U Transmit ready value */
- volatile unsigned char m_stat; /* RC Modem status bits */
- volatile unsigned char m_change; /* U Modem bits which changed */
- volatile unsigned char m_int; /* W Modem interrupt enable bits */
- volatile unsigned char m_last; /* U Last modem status */
-
- volatile unsigned char mtran; /* C Unreported modem trans */
- volatile unsigned char orun; /* C Buffer overrun occurred */
- volatile unsigned char astartc; /* W Auxiliary Xon char */
- volatile unsigned char astopc; /* W Auxiliary Xoff char */
- volatile unsigned char startc; /* W Xon character */
- volatile unsigned char stopc; /* W Xoff character */
- volatile unsigned char vnextc; /* W Vnext character */
- volatile unsigned char hflow; /* C Software flow control */
-
- volatile unsigned char fillc; /* U Delay Fill character */
- volatile unsigned char ochar; /* U Saved output character */
- volatile unsigned char omask; /* U Output character mask */
-
- volatile unsigned char bfill[13]; /* U Reserved for expansion */
-
- volatile unsigned char scc[16]; /* U SCC registers */
-};
-
-
-/************************************************************************
- * FEP supported functions
- ************************************************************************/
-#define SRLOW 0xe0 /* Set receive low water */
-#define SRHIGH 0xe1 /* Set receive high water */
-#define FLUSHTX 0xe2 /* Flush transmit buffer */
-#define PAUSETX 0xe3 /* Pause data transmission */
-#define RESUMETX 0xe4 /* Resume data transmission */
-#define SMINT 0xe5 /* Set Modem Interrupt */
-#define SAFLOWC 0xe6 /* Set Aux. flow control chars */
-#define SBREAK 0xe8 /* Send break */
-#define SMODEM 0xe9 /* Set 8530 modem control lines */
-#define SIFLAG 0xea /* Set UNIX iflags */
-#define SFLOWC 0xeb /* Set flow control characters */
-#define STLOW 0xec /* Set transmit low water mark */
-#define RPAUSE 0xee /* Pause receive */
-#define RRESUME 0xef /* Resume receive */
-#define CHRESET 0xf0 /* Reset Channel */
-#define BUFSETALL 0xf2 /* Set Tx & Rx buffer size avail*/
-#define SOFLAG 0xf3 /* Set UNIX oflags */
-#define SHFLOW 0xf4 /* Set hardware handshake */
-#define SCFLAG 0xf5 /* Set UNIX cflags */
-#define SVNEXT 0xf6 /* Set VNEXT character */
-#define SPINTFC 0xfc /* Reserved */
-#define SCOMMODE 0xfd /* Set RS232/422 mode */
-
-
-/************************************************************************
- * Modes for SCOMMODE
- ************************************************************************/
-#define MODE_232 0x00
-#define MODE_422 0x01
-
-
-/************************************************************************
- * Event flags.
- ************************************************************************/
-#define IFBREAK 0x01 /* Break received */
-#define IFTLW 0x02 /* Transmit low water */
-#define IFTEM 0x04 /* Transmitter empty */
-#define IFDATA 0x08 /* Receive data present */
-#define IFMODEM 0x20 /* Modem status change */
-
-/************************************************************************
- * Modem flags
- ************************************************************************/
-# define DM_RTS 0x02 /* Request to send */
-# define DM_CD 0x80 /* Carrier detect */
-# define DM_DSR 0x20 /* Data set ready */
-# define DM_CTS 0x10 /* Clear to send */
-# define DM_RI 0x40 /* Ring indicator */
-# define DM_DTR 0x01 /* Data terminal ready */
-
-
-#endif