2 * Copyright 2003 Digi International (www.digi.com)
3 * Scott H Kilau <Scott_Kilau at digi dot com>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2, or (at your option)
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
13 * PURPOSE. See the GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 * NOTE: THIS IS A SHARED HEADER. DO NOT CHANGE CODING STYLE!!!
21 *************************************************************************
25 *************************************************************************/
27 #ifndef __DGAP_DRIVER_H
28 #define __DGAP_DRIVER_H
30 #include <linux/types.h> /* To pick up the varions Linux types */
31 #include <linux/tty.h> /* To pick up the various tty structs/defines */
32 #include <linux/interrupt.h> /* For irqreturn_t type */
42 #if !defined(TTY_FLIPBUF_SIZE)
43 # define TTY_FLIPBUF_SIZE 512
46 /*************************************************************************
50 *************************************************************************/
53 * Driver identification
55 #define DG_NAME "dgap-1.3-16"
56 #define DG_PART "40002347_C"
60 * defines from dgap_pci.h
62 #define PCIMAX 32 /* maximum number of PCI boards */
64 #define DIGI_VID 0x114F
66 #define PCI_DEV_EPC_DID 0x0002
67 #define PCI_DEV_XEM_DID 0x0004
68 #define PCI_DEV_XR_DID 0x0005
69 #define PCI_DEV_CX_DID 0x0006
70 #define PCI_DEV_XRJ_DID 0x0009 /* PLX-based Xr adapter */
71 #define PCI_DEV_XR_IBM_DID 0x0011 /* IBM 8-port Async Adapter */
72 #define PCI_DEV_XR_BULL_DID 0x0013 /* BULL 8-port Async Adapter */
73 #define PCI_DEV_XR_SAIP_DID 0x001c /* SAIP card - Xr adapter */
74 #define PCI_DEV_XR_422_DID 0x0012 /* Xr-422 */
75 #define PCI_DEV_920_2_DID 0x0034 /* XR-Plus 920 K, 2 port */
76 #define PCI_DEV_920_4_DID 0x0026 /* XR-Plus 920 K, 4 port */
77 #define PCI_DEV_920_8_DID 0x0027 /* XR-Plus 920 K, 8 port */
78 #define PCI_DEV_EPCJ_DID 0x000a /* PLX 9060 chip for PCI */
79 #define PCI_DEV_CX_IBM_DID 0x001b /* IBM 128-port Async Adapter */
80 #define PCI_DEV_920_8_HP_DID 0x0058 /* HP XR-Plus 920 K, 8 port */
81 #define PCI_DEV_XEM_HP_DID 0x0059 /* HP Xem PCI */
83 #define PCI_DEV_XEM_NAME "AccelePort XEM"
84 #define PCI_DEV_CX_NAME "AccelePort CX"
85 #define PCI_DEV_XR_NAME "AccelePort Xr"
86 #define PCI_DEV_XRJ_NAME "AccelePort Xr (PLX)"
87 #define PCI_DEV_XR_SAIP_NAME "AccelePort Xr (SAIP)"
88 #define PCI_DEV_920_2_NAME "AccelePort Xr920 2 port"
89 #define PCI_DEV_920_4_NAME "AccelePort Xr920 4 port"
90 #define PCI_DEV_920_8_NAME "AccelePort Xr920 8 port"
91 #define PCI_DEV_XR_422_NAME "AccelePort Xr 422"
92 #define PCI_DEV_EPCJ_NAME "AccelePort EPC (PLX)"
93 #define PCI_DEV_XR_BULL_NAME "AccelePort Xr (BULL)"
94 #define PCI_DEV_XR_IBM_NAME "AccelePort Xr (IBM)"
95 #define PCI_DEV_CX_IBM_NAME "AccelePort CX (IBM)"
96 #define PCI_DEV_920_8_HP_NAME "AccelePort Xr920 8 port (HP)"
97 #define PCI_DEV_XEM_HP_NAME "AccelePort XEM (HP)"
100 * On the PCI boards, there is no IO space allocated
101 * The I/O registers will be in the first 3 bytes of the
102 * upper 2MB of the 4MB memory space. The board memory
103 * will be mapped into the low 2MB of the 4MB memory space
106 /* Potential location of PCI Bios from E0000 to FFFFF*/
107 #define PCI_BIOS_SIZE 0x00020000
109 /* Size of Memory and I/O for PCI (4MB) */
110 #define PCI_RAM_SIZE 0x00400000
112 /* Size of Memory (2MB) */
113 #define PCI_MEM_SIZE 0x00200000
115 /* Max PCI Window Size (2MB) */
116 #define PCI_WIN_SIZE 0x00200000
118 #define PCI_WIN_SHIFT 21 /* 21 bits max */
120 /* Offset of I/0 in Memory (2MB) */
121 #define PCI_IO_OFFSET 0x00200000
123 /* Size of IO (2MB) */
124 #define PCI_IO_SIZE_DGAP 0x00200000
126 /* Number of boards we support at once. */
129 #define MAXTTYNAMELEN 200
131 /* Our 3 magic numbers for our board, channel and unit structs */
132 #define DGAP_BOARD_MAGIC 0x5c6df104
133 #define DGAP_CHANNEL_MAGIC 0x6c6df104
134 #define DGAP_UNIT_MAGIC 0x7c6df104
136 /* Serial port types */
137 #define DGAP_SERIAL 0
140 #define SERIAL_TYPE_NORMAL 1
142 /* 4 extra for alignment play space */
143 #define WRITEBUFLEN ((4096) + 4)
144 #define MYFLIPLEN N_TTY_BUF_SIZE
146 #define SBREAK_TIME 0x25
147 #define U2BSIZE 0x400
149 #define dgap_jiffies_from_ms(a) (((a) * HZ) / 1000)
152 * Our major for the mgmt devices.
154 * We can use 22, because Digi was allocated 22 and 23 for the epca driver.
155 * 22 has now become obsolete now that the "cu" devices have
156 * been removed from 2.6.
157 * Also, this *IS* the epca driver, just PCI only now.
159 #ifndef DIGI_DGAP_MAJOR
160 # define DIGI_DGAP_MAJOR 22
164 * The parameters we use to define the periods of the moving averages.
166 #define MA_PERIOD (HZ / 10)
167 #define SMA_DUR (1 * HZ)
168 #define EMA_DUR (1 * HZ)
169 #define SMA_NPERIODS (SMA_DUR / MA_PERIOD)
170 #define EMA_NPERIODS (EMA_DUR / MA_PERIOD)
173 * Define a local default termios struct. All ports will be created
174 * with this termios initially. This is the same structure that is defined
175 * as the default in tty_io.c with the same settings overridden as in serial.c
177 * In short, this should match the internal serial ports' defaults.
179 #define DEFAULT_IFLAGS (ICRNL | IXON)
180 #define DEFAULT_OFLAGS (OPOST | ONLCR)
181 #define DEFAULT_CFLAGS (B9600 | CS8 | CREAD | HUPCL | CLOCAL)
182 #define DEFAULT_LFLAGS (ISIG | ICANON | ECHO | ECHOE | ECHOK | \
183 ECHOCTL | ECHOKE | IEXTEN)
185 #ifndef _POSIX_VDISABLE
186 #define _POSIX_VDISABLE ('\0')
189 #define SNIFF_MAX 65536 /* Sniff buffer size (2^n) */
190 #define SNIFF_MASK (SNIFF_MAX - 1) /* Sniff wrap mask */
192 #define VPDSIZE (512)
194 /************************************************************************
196 ************************************************************************/
197 #define START 0x0004L /* Execution start address */
199 #define CMDBUF 0x0d10L /* Command (cm_t) structure offset */
200 #define CMDSTART 0x0400L /* Start of command buffer */
201 #define CMDMAX 0x0800L /* End of command buffer */
203 #define EVBUF 0x0d18L /* Event (ev_t) structure */
204 #define EVSTART 0x0800L /* Start of event buffer */
205 #define EVMAX 0x0c00L /* End of event buffer */
206 #define FEP5_PLUS 0x0E40 /* ASCII '5' and ASCII 'A' is here */
207 #define ECS_SEG 0x0E44 /* Segment of the extended */
208 /* channel structure */
209 #define LINE_SPEED 0x10 /* Offset into ECS_SEG for line */
210 /* speed if the fep has extended */
213 /* BIOS MAGIC SPOTS */
214 #define ERROR 0x0C14L /* BIOS error code */
215 #define SEQUENCE 0x0C12L /* BIOS sequence indicator */
216 #define POSTAREA 0x0C00L /* POST complete message area */
218 /* FEP MAGIC SPOTS */
219 #define FEPSTAT POSTAREA /* OS here when FEP comes up */
220 #define NCHAN 0x0C02L /* number of ports FEP sees */
221 #define PANIC 0x0C10L /* PANIC area for FEP */
222 #define KMEMEM 0x0C30L /* Memory for KME use */
223 #define CONFIG 0x0CD0L /* Concentrator configuration info */
224 #define CONFIGSIZE 0x0030 /* configuration info size */
225 #define DOWNREQ 0x0D00 /* Download request buffer pointer */
227 #define CHANBUF 0x1000L /* Async channel (bs_t) structs */
228 #define FEPOSSIZE 0x1FFF /* 8K FEPOS */
230 #define XEMPORTS 0xC02 /*
231 * Offset in board memory where FEP5 stores
232 * how many ports it has detected.
233 * NOTE: FEP5 reports 64 ports when the user
234 * has the cable in EBI OUT instead of EBI IN.
244 #define LOWMEM 0x0100
245 #define HIGHMEM 0x7f00
247 #define FEPTIMEOUT 200000
249 #define ENABLE_INTR 0x0e04 /* Enable interrupts flag */
250 #define FEPPOLL_MIN 1 /* minimum of 1 millisecond */
251 #define FEPPOLL_MAX 20 /* maximum of 20 milliseconds */
252 #define FEPPOLL 0x0c26 /* Fep event poll interval */
254 #define IALTPIN 0x0080 /* Input flag to swap DSR <-> DCD */
256 /************************************************************************
257 * FEP supported functions
258 ************************************************************************/
259 #define SRLOW 0xe0 /* Set receive low water */
260 #define SRHIGH 0xe1 /* Set receive high water */
261 #define FLUSHTX 0xe2 /* Flush transmit buffer */
262 #define PAUSETX 0xe3 /* Pause data transmission */
263 #define RESUMETX 0xe4 /* Resume data transmission */
264 #define SMINT 0xe5 /* Set Modem Interrupt */
265 #define SAFLOWC 0xe6 /* Set Aux. flow control chars */
266 #define SBREAK 0xe8 /* Send break */
267 #define SMODEM 0xe9 /* Set 8530 modem control lines */
268 #define SIFLAG 0xea /* Set UNIX iflags */
269 #define SFLOWC 0xeb /* Set flow control characters */
270 #define STLOW 0xec /* Set transmit low water mark */
271 #define RPAUSE 0xee /* Pause receive */
272 #define RRESUME 0xef /* Resume receive */
273 #define CHRESET 0xf0 /* Reset Channel */
274 #define BUFSETALL 0xf2 /* Set Tx & Rx buffer size avail*/
275 #define SOFLAG 0xf3 /* Set UNIX oflags */
276 #define SHFLOW 0xf4 /* Set hardware handshake */
277 #define SCFLAG 0xf5 /* Set UNIX cflags */
278 #define SVNEXT 0xf6 /* Set VNEXT character */
279 #define SPINTFC 0xfc /* Reserved */
280 #define SCOMMODE 0xfd /* Set RS232/422 mode */
282 /************************************************************************
284 ************************************************************************/
285 #define MODE_232 0x00
286 #define MODE_422 0x01
288 /************************************************************************
290 ************************************************************************/
291 #define IFBREAK 0x01 /* Break received */
292 #define IFTLW 0x02 /* Transmit low water */
293 #define IFTEM 0x04 /* Transmitter empty */
294 #define IFDATA 0x08 /* Receive data present */
295 #define IFMODEM 0x20 /* Modem status change */
297 /************************************************************************
299 ************************************************************************/
300 # define DM_RTS 0x02 /* Request to send */
301 # define DM_CD 0x80 /* Carrier detect */
302 # define DM_DSR 0x20 /* Data set ready */
303 # define DM_CTS 0x10 /* Clear to send */
304 # define DM_RI 0x40 /* Ring indicator */
305 # define DM_DTR 0x01 /* Data terminal ready */
308 * defines from dgap_conf.h
310 #define NULLNODE 0 /* header node, not used */
311 #define BNODE 1 /* Board node */
312 #define LNODE 2 /* Line node */
313 #define CNODE 3 /* Concentrator node */
314 #define MNODE 4 /* EBI Module node */
315 #define TNODE 5 /* tty name prefix node */
316 #define CUNODE 6 /* cu name prefix (non-SCO) */
317 #define PNODE 7 /* trans. print prefix node */
318 #define JNODE 8 /* maJor number node */
319 #define ANODE 9 /* altpin */
320 #define TSNODE 10 /* tty structure size */
321 #define CSNODE 11 /* channel structure size */
322 #define BSNODE 12 /* board structure size */
323 #define USNODE 13 /* unit schedule structure size */
324 #define FSNODE 14 /* f2200 structure size */
325 #define VSNODE 15 /* size of VPIX structures */
326 #define INTRNODE 16 /* enable interrupt */
328 /* Enumeration of tokens */
333 #define EPCFS 11 /* start of EPC family definitions */
350 #define EPCFE 25 /* end of EPC family definitions */
361 #define AVANFS 42 /* start of Avanstar family definitions */
364 #define AVANFE 43 /* end of Avanstar family definitions */
366 #define DA2000FS 44 /* start of AccelePort 2000 family definitions */
367 #define DA22 44 /* AccelePort 2002 */
368 #define DA24 45 /* AccelePort 2004 */
369 #define DA28 46 /* AccelePort 2008 */
370 #define DA216 47 /* AccelePort 2016 */
371 #define DAR4 48 /* AccelePort RAS 4 port */
372 #define DAR8 49 /* AccelePort RAS 8 port */
373 #define DDR24 50 /* DataFire RAS 24 port */
374 #define DDR30 51 /* DataFire RAS 30 port */
375 #define DDR48 52 /* DataFire RAS 48 port */
376 #define DDR60 53 /* DataFire RAS 60 port */
377 #define DA2000FE 53 /* end of AccelePort 2000/RAS family definitions */
379 #define PCXRFS 106 /* start of PCXR family definitions */
384 #define APORT4_920I 110
385 #define APORT8_920I 111
386 #define APORT4_920P 112
387 #define APORT8_920P 113
388 #define APORT2_920P 114
389 #define PCXRFE 117 /* end of PCXR family definitions */
406 /* The following tokens can appear in multiple places */
433 #define TOTAL_BOARD 2
434 #define CURRENT_BRD 4
437 #define MEM_ADDRESS 10
439 #define FIELDS_PER_PAGE 18
452 #define MAX_FIELD 512
464 #define ONETONINE "123456789"
465 #define ALL "1234567890"
468 * All the possible states the driver can be while being loaded.
471 DRIVER_INITIALIZED = 0,
476 * All the possible states the board can be while booting up.
484 * All the possible states that a requested concentrator image can be in.
487 NO_PENDING_CONCENTRATOR_REQUESTS = 0,
489 REQUESTED_CONCENTRATOR
493 * Modem line constants are defined as macros because DSR and
494 * DCD are swapable using the ditty altpin option.
496 #define D_CD(ch) ch->ch_cd /* Carrier detect */
497 #define D_DSR(ch) ch->ch_dsr /* Data set ready */
498 #define D_RTS(ch) DM_RTS /* Request to send */
499 #define D_CTS(ch) DM_CTS /* Clear to send */
500 #define D_RI(ch) DM_RI /* Ring indicator */
501 #define D_DTR(ch) DM_DTR /* Data terminal ready */
503 /*************************************************************************
505 * Structures and closely related defines.
507 *************************************************************************/
510 * A structure to hold a statistics counter. We also
511 * compute moving averages for this counter.
514 u32 cnt; /* Total count */
515 ulong accum; /* Acuumulator per period */
516 ulong sma; /* Simple moving average */
517 ulong ema; /* Exponential moving average */
520 /************************************************************************
521 * Device flag definitions for bd_flags.
522 ************************************************************************/
523 #define BD_FEP5PLUS 0x0001 /* Supports FEP5 Plus commands */
524 #define BD_HAS_VPD 0x0002 /* Board has VPD info available */
527 * Per-board information
530 int magic; /* Board Magic number. */
531 int boardnum; /* Board number: 0-3 */
533 int type; /* Type of board */
534 char *name; /* Product Name */
535 struct pci_dev *pdev; /* Pointer to the pci_dev struct */
536 u16 vendor; /* PCI vendor ID */
537 u16 device; /* PCI device ID */
538 u16 subvendor; /* PCI subsystem vendor ID */
539 u16 subdevice; /* PCI subsystem device ID */
540 u8 rev; /* PCI revision ID */
541 uint pci_bus; /* PCI bus value */
542 uint pci_slot; /* PCI slot value */
543 u16 maxports; /* MAX ports this board can handle */
544 u8 vpd[VPDSIZE]; /* VPD of board, if found */
545 u32 bd_flags; /* Board flags */
547 spinlock_t bd_lock; /* Used to protect board */
549 u32 state; /* State of card. */
550 wait_queue_head_t state_wait; /* Place to sleep on for state change */
552 struct tasklet_struct helper_tasklet; /* Poll helper tasklet */
557 struct cnode *bd_config; /* Config of board */
559 u16 nasync; /* Number of ports on card */
561 ulong irq; /* Interrupt request number */
562 ulong intr_count; /* Count of interrupts */
563 u32 intr_used; /* Non-zero if using interrupts */
564 u32 intr_running; /* Non-zero if FEP knows its doing */
567 ulong port; /* Start of base io port of the card */
568 ulong port_end; /* End of base io port of the card */
569 ulong membase; /* Start of base memory of the card */
570 ulong membase_end; /* End of base memory of the card */
572 u8 __iomem *re_map_port; /* Remapped io port of the card */
573 u8 __iomem *re_map_membase;/* Remapped memory of the card */
575 u8 inhibit_poller; /* Tells the poller to leave us alone */
577 struct channel_t *channels[MAXPORTS]; /* array of pointers to our */
580 struct tty_driver *serial_driver;
581 struct tty_port *serial_ports;
582 char serial_name[200];
583 struct tty_driver *print_driver;
584 struct tty_port *printer_ports;
585 char print_name[200];
587 struct bs_t __iomem *bd_bs; /* Base structure pointer */
589 char *flipbuf; /* Our flip buffer, alloced if */
591 char *flipflagbuf; /* Our flip flag buffer, alloced */
592 /* if board is found */
594 u16 dpatype; /* The board "type", as defined */
596 u16 dpastatus; /* The board "status", as defined */
599 u32 conc_dl_status; /* Status of any pending conc */
603 /************************************************************************
604 * Unit flag definitions for un_flags.
605 ************************************************************************/
606 #define UN_ISOPEN 0x0001 /* Device is open */
607 #define UN_CLOSING 0x0002 /* Line is being closed */
608 #define UN_IMM 0x0004 /* Service immediately */
609 #define UN_BUSY 0x0008 /* Some work this channel */
610 #define UN_BREAKI 0x0010 /* Input break received */
611 #define UN_PWAIT 0x0020 /* Printer waiting for terminal */
612 #define UN_TIME 0x0040 /* Waiting on time */
613 #define UN_EMPTY 0x0080 /* Waiting output queue empty */
614 #define UN_LOW 0x0100 /* Waiting output low water mark*/
615 #define UN_EXCL_OPEN 0x0200 /* Open for exclusive use */
616 #define UN_WOPEN 0x0400 /* Device waiting for open */
617 #define UN_WIOCTL 0x0800 /* Device waiting for open */
618 #define UN_HANGUP 0x8000 /* Carrier lost */
622 /************************************************************************
623 * Structure for terminal or printer unit.
624 ************************************************************************/
626 int magic; /* Unit Magic Number. */
627 struct channel_t *un_ch;
630 int un_open_count; /* Counter of opens to port */
631 struct tty_struct *un_tty;/* Pointer to unit tty structure */
632 u32 un_flags; /* Unit flags */
633 wait_queue_head_t un_flags_wait; /* Place to sleep to wait on unit */
634 u32 un_dev; /* Minor device number */
635 tcflag_t un_oflag; /* oflags being done on board */
636 tcflag_t un_lflag; /* lflags being done on board */
637 struct device *un_sysfs;
640 /************************************************************************
641 * Device flag definitions for ch_flags.
642 ************************************************************************/
643 #define CH_PRON 0x0001 /* Printer on string */
644 #define CH_OUT 0x0002 /* Dial-out device open */
645 #define CH_STOP 0x0004 /* Output is stopped */
646 #define CH_STOPI 0x0008 /* Input is stopped */
647 #define CH_CD 0x0010 /* Carrier is present */
648 #define CH_FCAR 0x0020 /* Carrier forced on */
650 #define CH_RXBLOCK 0x0080 /* Enable rx blocked flag */
651 #define CH_WLOW 0x0100 /* Term waiting low event */
652 #define CH_WEMPTY 0x0200 /* Term waiting empty event */
653 #define CH_RENABLE 0x0400 /* Buffer just emptied */
654 #define CH_RACTIVE 0x0800 /* Process active in xxread() */
655 #define CH_RWAIT 0x1000 /* Process waiting in xxread() */
656 #define CH_BAUD0 0x2000 /* Used for checking B0 transitions */
657 #define CH_HANGUP 0x8000 /* Hangup received */
660 * Definitions for ch_sniff_flags
662 #define SNIFF_OPEN 0x1
663 #define SNIFF_WAIT_DATA 0x2
664 #define SNIFF_WAIT_SPACE 0x4
666 /************************************************************************
667 *** Definitions for Digi ditty(1) command.
668 ************************************************************************/
670 /************************************************************************
671 * This module provides application access to special Digi
672 * serial line enhancements which are not standard UNIX(tm) features.
673 ************************************************************************/
675 #if !defined(TIOCMODG)
677 #define TIOCMODG (('d'<<8) | 250) /* get modem ctrl state */
678 #define TIOCMODS (('d'<<8) | 251) /* set modem ctrl state */
681 #define TIOCM_LE 0x01 /* line enable */
682 #define TIOCM_DTR 0x02 /* data terminal ready */
683 #define TIOCM_RTS 0x04 /* request to send */
684 #define TIOCM_ST 0x08 /* secondary transmit */
685 #define TIOCM_SR 0x10 /* secondary receive */
686 #define TIOCM_CTS 0x20 /* clear to send */
687 #define TIOCM_CAR 0x40 /* carrier detect */
688 #define TIOCM_RNG 0x80 /* ring indicator */
689 #define TIOCM_DSR 0x100 /* data set ready */
690 #define TIOCM_RI TIOCM_RNG /* ring (alternate) */
691 #define TIOCM_CD TIOCM_CAR /* carrier detect (alt) */
696 #if !defined(TIOCMSET)
697 #define TIOCMSET (('d'<<8) | 252) /* set modem ctrl state */
698 #define TIOCMGET (('d'<<8) | 253) /* set modem ctrl state */
701 #if !defined(TIOCMBIC)
702 #define TIOCMBIC (('d'<<8) | 254) /* set modem ctrl state */
703 #define TIOCMBIS (('d'<<8) | 255) /* set modem ctrl state */
706 #if !defined(TIOCSDTR)
707 #define TIOCSDTR (('e'<<8) | 0) /* set DTR */
708 #define TIOCCDTR (('e'<<8) | 1) /* clear DTR */
711 /************************************************************************
712 * Ioctl command arguments for DIGI parameters.
713 ************************************************************************/
714 #define DIGI_GETA (('e'<<8) | 94) /* Read params */
716 #define DIGI_SETA (('e'<<8) | 95) /* Set params */
717 #define DIGI_SETAW (('e'<<8) | 96) /* Drain & set params */
718 #define DIGI_SETAF (('e'<<8) | 97) /* Drain, flush & set params */
720 #define DIGI_KME (('e'<<8) | 98) /* Read/Write Host */
723 #define DIGI_GETFLOW (('e'<<8) | 99) /* Get startc/stopc flow */
724 /* control characters */
725 #define DIGI_SETFLOW (('e'<<8) | 100) /* Set startc/stopc flow */
726 /* control characters */
727 #define DIGI_GETAFLOW (('e'<<8) | 101) /* Get Aux. startc/stopc */
728 /* flow control chars */
729 #define DIGI_SETAFLOW (('e'<<8) | 102) /* Set Aux. startc/stopc */
730 /* flow control chars */
732 #define DIGI_GEDELAY (('d'<<8) | 246) /* Get edelay */
733 #define DIGI_SEDELAY (('d'<<8) | 247) /* Set edelay */
736 unsigned char startc; /* flow cntl start char */
737 unsigned char stopc; /* flow cntl stop char */
741 #define F2200_GETA (('e'<<8) | 104) /* Get 2x36 flow cntl flags */
742 #define F2200_SETAW (('e'<<8) | 105) /* Set 2x36 flow cntl flags */
743 #define F2200_MASK 0x03 /* 2200 flow cntl bit mask */
744 #define FCNTL_2200 0x01 /* 2x36 terminal flow cntl */
745 #define PCNTL_2200 0x02 /* 2x36 printer flow cntl */
746 #define F2200_XON 0xf8
747 #define P2200_XON 0xf9
748 #define F2200_XOFF 0xfa
749 #define P2200_XOFF 0xfb
751 #define FXOFF_MASK 0x03 /* 2200 flow status mask */
752 #define RCVD_FXOFF 0x01 /* 2x36 Terminal XOFF rcvd */
753 #define RCVD_PXOFF 0x02 /* 2x36 Printer XOFF rcvd */
756 /************************************************************************
757 * Values for digi_flags
758 ************************************************************************/
759 #define DIGI_IXON 0x0001 /* Handle IXON in the FEP */
760 #define DIGI_FAST 0x0002 /* Fast baud rates */
761 #define RTSPACE 0x0004 /* RTS input flow control */
762 #define CTSPACE 0x0008 /* CTS output flow control */
763 #define DSRPACE 0x0010 /* DSR output flow control */
764 #define DCDPACE 0x0020 /* DCD output flow control */
765 #define DTRPACE 0x0040 /* DTR input flow control */
766 #define DIGI_COOK 0x0080 /* Cooked processing done in FEP */
767 #define DIGI_FORCEDCD 0x0100 /* Force carrier */
768 #define DIGI_ALTPIN 0x0200 /* Alternate RJ-45 pin config */
769 #define DIGI_AIXON 0x0400 /* Aux flow control in fep */
770 #define DIGI_PRINTER 0x0800 /* Hold port open for flow cntrl*/
771 #define DIGI_PP_INPUT 0x1000 /* Change parallel port to input*/
772 #define DIGI_DTR_TOGGLE 0x2000 /* Support DTR Toggle */
773 #define DIGI_422 0x4000 /* for 422/232 selectable panel */
774 #define DIGI_RTS_TOGGLE 0x8000 /* Support RTS Toggle */
776 /************************************************************************
777 * These options are not supported on the comxi.
778 ************************************************************************/
779 #define DIGI_COMXI (DIGI_FAST|DIGI_COOK|DSRPACE|DCDPACE|DTRPACE)
781 #define DIGI_PLEN 28 /* String length */
782 #define DIGI_TSIZ 10 /* Terminal string len */
784 /************************************************************************
785 * Structure used with ioctl commands for DIGI parameters.
786 ************************************************************************/
788 unsigned short digi_flags; /* Flags (see above) */
789 unsigned short digi_maxcps; /* Max printer CPS */
790 unsigned short digi_maxchar; /* Max chars in print queue */
791 unsigned short digi_bufsize; /* Buffer size */
792 unsigned char digi_onlen; /* Length of ON string */
793 unsigned char digi_offlen; /* Length of OFF string */
794 char digi_onstr[DIGI_PLEN]; /* Printer on string */
795 char digi_offstr[DIGI_PLEN]; /* Printer off string */
796 char digi_term[DIGI_TSIZ]; /* terminal string */
799 /************************************************************************
800 * KME definitions and structures.
801 ************************************************************************/
802 #define RW_IDLE 0 /* Operation complete */
803 #define RW_READ 1 /* Read Concentrator Memory */
804 #define RW_WRITE 2 /* Write Concentrator Memory */
807 unsigned char rw_req; /* Request type */
808 unsigned char rw_board; /* Host Adapter board number */
809 unsigned char rw_conc; /* Concentrator number */
810 unsigned char rw_reserved; /* Reserved for expansion */
811 unsigned long rw_addr; /* Address in concentrator */
812 unsigned short rw_size; /* Read/write request length */
813 unsigned char rw_data[128]; /* Data to read/write */
816 /************************************************************************
817 * Structure to get driver status information
818 ************************************************************************/
820 unsigned long dinfo_nboards; /* # boards configured */
821 char dinfo_reserved[12]; /* for future expansion */
822 char dinfo_version[16]; /* driver version */
825 #define DIGI_GETDD (('d'<<8) | 248) /* get driver info */
827 /************************************************************************
828 * Structure used with ioctl commands for per-board information
830 * physsize and memsize differ when board has "windowed" memory
831 ************************************************************************/
833 unsigned long info_bdnum; /* Board number (0 based) */
834 unsigned long info_ioport; /* io port address */
835 unsigned long info_physaddr; /* memory address */
836 unsigned long info_physsize; /* Size of host mem window */
837 unsigned long info_memsize; /* Amount of dual-port mem */
839 unsigned short info_bdtype; /* Board type */
840 unsigned short info_nports; /* number of ports */
841 char info_bdstate; /* board state */
842 char info_reserved[7]; /* for future expansion */
845 #define DIGI_GETBD (('d'<<8) | 249) /* get board info */
848 unsigned int info_chan; /* Channel number (0 based) */
849 unsigned int info_brd; /* Board number (0 based) */
850 unsigned long info_cflag; /* cflag for channel */
851 unsigned long info_iflag; /* iflag for channel */
852 unsigned long info_oflag; /* oflag for channel */
853 unsigned long info_mstat; /* mstat for channel */
854 unsigned long info_tx_data; /* tx_data for channel */
855 unsigned long info_rx_data; /* rx_data for channel */
856 unsigned long info_hflow; /* hflow for channel */
857 unsigned long info_reserved[8]; /* for future expansion */
860 #define DIGI_GETSTAT (('d'<<8) | 244) /* get board info */
861 /************************************************************************
863 * Structure used with ioctl commands for per-channel information
865 ************************************************************************/
867 unsigned long info_bdnum; /* Board number (0 based) */
868 unsigned long info_channel; /* Channel index number */
869 unsigned long info_ch_cflag; /* Channel cflag */
870 unsigned long info_ch_iflag; /* Channel iflag */
871 unsigned long info_ch_oflag; /* Channel oflag */
872 unsigned long info_chsize; /* Channel structure size */
873 unsigned long info_sleep_stat; /* sleep status */
874 dev_t info_dev; /* device number */
875 unsigned char info_initstate; /* Channel init state */
876 unsigned char info_running; /* Channel running state */
877 long reserved[8]; /* reserved for future use */
881 * This structure is used with the DIGI_FEPCMD ioctl to
882 * tell the driver which port to send the command for.
888 int chan; /* channel index (zero based) */
889 int bdid; /* board index (zero based) */
893 * info_sleep_stat defines
895 #define INFO_RUNWAIT 0x0001
896 #define INFO_WOPEN 0x0002
897 #define INFO_TTIOW 0x0004
898 #define INFO_CH_RWAIT 0x0008
899 #define INFO_CH_WEMPTY 0x0010
900 #define INFO_CH_WLOW 0x0020
901 #define INFO_XXBUF_BUSY 0x0040
903 #define DIGI_GETCH (('d'<<8) | 245) /* get board info */
905 /* Board type definitions */
913 #define T_SP_PLUS 0005
923 #define T_PCLITE 0040
927 #define T_A2K_4_8 0070
929 #define T_ISABUS 0000
931 #define T_EISABUS 0200
932 #define T_PCIBUS 0400
934 /* Board State Definitions */
936 #define BD_RUNNING 0x0
937 #define BD_REASON 0x7f
938 #define BD_NOTFOUND 0x1
939 #define BD_NOIOPORT 0x2
941 #define BD_NOBIOS 0x4
943 #define BD_FAILED 0x6
944 #define BD_ALLOCATED 0x7
945 #define BD_TRIBOOT 0x8
946 #define BD_BADKME 0x80
948 #define DIGI_LOOPBACK (('d'<<8) | 252) /* Enable/disable UART */
949 /* internal loopback */
950 #define DIGI_SPOLL (('d'<<8) | 254) /* change poller rate */
952 #define DIGI_SETCUSTOMBAUD _IOW('e', 106, int) /* Set integer baud rate */
953 #define DIGI_GETCUSTOMBAUD _IOR('e', 107, int) /* Get integer baud rate */
954 #define DIGI_RESET_PORT (('e'<<8) | 93) /* Reset port */
956 /************************************************************************
957 * Channel information structure.
958 ************************************************************************/
960 int magic; /* Channel Magic Number */
961 struct bs_t __iomem *ch_bs; /* Base structure pointer */
962 struct cm_t __iomem *ch_cm; /* Command queue pointer */
963 struct board_t *ch_bd; /* Board structure pointer */
964 u8 __iomem *ch_vaddr; /* FEP memory origin */
965 u8 __iomem *ch_taddr; /* Write buffer origin */
966 u8 __iomem *ch_raddr; /* Read buffer origin */
967 struct digi_t ch_digi; /* Transparent Print structure */
968 struct un_t ch_tun; /* Terminal unit info */
969 struct un_t ch_pun; /* Printer unit info */
971 spinlock_t ch_lock; /* provide for serialization */
972 wait_queue_head_t ch_flags_wait;
977 u32 ch_portnum; /* Port number, 0 offset. */
978 u32 ch_open_count; /* open count */
979 u32 ch_flags; /* Channel flags */
981 u32 ch_cpstime; /* Time for CPS calculations */
983 tcflag_t ch_c_iflag; /* channel iflags */
984 tcflag_t ch_c_cflag; /* channel cflags */
985 tcflag_t ch_c_oflag; /* channel oflags */
986 tcflag_t ch_c_lflag; /* channel lflags */
988 u16 ch_fepiflag; /* FEP tty iflags */
989 u16 ch_fepcflag; /* FEP tty cflags */
990 u16 ch_fepoflag; /* FEP tty oflags */
991 u16 ch_wopen; /* Waiting for open process cnt */
992 u16 ch_tstart; /* Transmit buffer start */
993 u16 ch_tsize; /* Transmit buffer size */
994 u16 ch_rstart; /* Receive buffer start */
995 u16 ch_rsize; /* Receive buffer size */
996 u16 ch_rdelay; /* Receive delay time */
998 u16 ch_tlw; /* Our currently set low water mark */
1000 u16 ch_cook; /* Output character mask */
1002 u8 ch_card; /* Card channel is on */
1003 u8 ch_stopc; /* Stop character */
1004 u8 ch_startc; /* Start character */
1006 u8 ch_mostat; /* FEP output modem status */
1007 u8 ch_mistat; /* FEP input modem status */
1008 u8 ch_mforce; /* Modem values to be forced */
1009 u8 ch_mval; /* Force values */
1010 u8 ch_fepstopc; /* FEP stop character */
1011 u8 ch_fepstartc; /* FEP start character */
1013 u8 ch_astopc; /* Auxiliary Stop character */
1014 u8 ch_astartc; /* Auxiliary Start character */
1015 u8 ch_fepastopc; /* Auxiliary FEP stop char */
1016 u8 ch_fepastartc; /* Auxiliary FEP start char */
1018 u8 ch_hflow; /* FEP hardware handshake */
1019 u8 ch_dsr; /* stores real dsr value */
1020 u8 ch_cd; /* stores real cd value */
1021 u8 ch_tx_win; /* channel tx buffer window */
1022 u8 ch_rx_win; /* channel rx buffer window */
1023 uint ch_custom_speed; /* Custom baud, if set */
1024 uint ch_baud_info; /* Current baud info for /proc output */
1025 ulong ch_rxcount; /* total of data received so far */
1026 ulong ch_txcount; /* total of data transmitted so far */
1027 ulong ch_err_parity; /* Count of parity errors on channel */
1028 ulong ch_err_frame; /* Count of framing errors on channel */
1029 ulong ch_err_break; /* Count of breaks on channel */
1030 ulong ch_err_overrun; /* Count of overruns on channel */
1033 /************************************************************************
1034 * Command structure definition.
1035 ************************************************************************/
1037 unsigned short cm_head; /* Command buffer head offset */
1038 unsigned short cm_tail; /* Command buffer tail offset */
1039 unsigned short cm_start; /* start offset of buffer */
1040 unsigned short cm_max; /* last offset of buffer */
1043 /************************************************************************
1044 * Event structure definition.
1045 ************************************************************************/
1047 unsigned short ev_head; /* Command buffer head offset */
1048 unsigned short ev_tail; /* Command buffer tail offset */
1049 unsigned short ev_start; /* start offset of buffer */
1050 unsigned short ev_max; /* last offset of buffer */
1053 /************************************************************************
1054 * Download buffer structure.
1055 ************************************************************************/
1057 u8 dl_type; /* Header */
1058 u8 dl_seq; /* Download sequence */
1059 ushort dl_srev; /* Software revision number */
1060 ushort dl_lrev; /* Low revision number */
1061 ushort dl_hrev; /* High revision number */
1062 ushort dl_seg; /* Start segment address */
1063 ushort dl_size; /* Number of bytes to download */
1064 u8 dl_data[1024]; /* Download data */
1067 /************************************************************************
1068 * Per channel buffer structure
1069 ************************************************************************
1070 * Base Structure Entries Usage Meanings to Host *
1072 * W = read write R = read only *
1073 * C = changed by commands only *
1074 * U = unknown (may be changed w/o notice) *
1075 ************************************************************************/
1077 unsigned short tp_jmp; /* Transmit poll jump */
1078 unsigned short tc_jmp; /* Cooked procedure jump */
1079 unsigned short ri_jmp; /* Not currently used */
1080 unsigned short rp_jmp; /* Receive poll jump */
1082 unsigned short tx_seg; /* W Tx segment */
1083 unsigned short tx_head; /* W Tx buffer head offset */
1084 unsigned short tx_tail; /* R Tx buffer tail offset */
1085 unsigned short tx_max; /* W Tx buffer size - 1 */
1087 unsigned short rx_seg; /* W Rx segment */
1088 unsigned short rx_head; /* W Rx buffer head offset */
1089 unsigned short rx_tail; /* R Rx buffer tail offset */
1090 unsigned short rx_max; /* W Rx buffer size - 1 */
1092 unsigned short tx_lw; /* W Tx buffer low water mark */
1093 unsigned short rx_lw; /* W Rx buffer low water mark */
1094 unsigned short rx_hw; /* W Rx buffer high water mark*/
1095 unsigned short incr; /* W Increment to next channel*/
1097 unsigned short fepdev; /* U SCC device base address */
1098 unsigned short edelay; /* W Exception delay */
1099 unsigned short blen; /* W Break length */
1100 unsigned short btime; /* U Break complete time */
1102 unsigned short iflag; /* C UNIX input flags */
1103 unsigned short oflag; /* C UNIX output flags */
1104 unsigned short cflag; /* C UNIX control flags */
1105 unsigned short wfill[13]; /* U Reserved for expansion */
1107 unsigned char num; /* U Channel number */
1108 unsigned char ract; /* U Receiver active counter */
1109 unsigned char bstat; /* U Break status bits */
1110 unsigned char tbusy; /* W Transmit busy */
1111 unsigned char iempty; /* W Transmit empty event */
1113 unsigned char ilow; /* W Transmit low-water event */
1115 unsigned char idata; /* W Receive data interrupt */
1117 unsigned char eflag; /* U Host event flags */
1119 unsigned char tflag; /* U Transmit flags */
1120 unsigned char rflag; /* U Receive flags */
1121 unsigned char xmask; /* U Transmit ready flags */
1122 unsigned char xval; /* U Transmit ready value */
1123 unsigned char m_stat; /* RC Modem status bits */
1124 unsigned char m_change; /* U Modem bits which changed */
1125 unsigned char m_int; /* W Modem interrupt enable */
1127 unsigned char m_last; /* U Last modem status */
1129 unsigned char mtran; /* C Unreported modem trans */
1130 unsigned char orun; /* C Buffer overrun occurred */
1131 unsigned char astartc; /* W Auxiliary Xon char */
1132 unsigned char astopc; /* W Auxiliary Xoff char */
1133 unsigned char startc; /* W Xon character */
1134 unsigned char stopc; /* W Xoff character */
1135 unsigned char vnextc; /* W Vnext character */
1136 unsigned char hflow; /* C Software flow control */
1138 unsigned char fillc; /* U Delay Fill character */
1139 unsigned char ochar; /* U Saved output character */
1140 unsigned char omask; /* U Output character mask */
1142 unsigned char bfill[13]; /* U Reserved for expansion */
1144 unsigned char scc[16]; /* U SCC registers */
1154 char type; /* Board Type */
1155 long port; /* I/O Address */
1156 char *portstr; /* I/O Address in string */
1157 long addr; /* Memory Address */
1158 char *addrstr; /* Memory Address in string */
1159 long pcibus; /* PCI BUS */
1160 char *pcibusstr; /* PCI BUS in string */
1161 long pcislot; /* PCI SLOT */
1162 char *pcislotstr; /* PCI SLOT in string */
1163 long nport; /* Number of Ports */
1164 char *id; /* tty id */
1165 long start; /* start of tty counting */
1166 char *method; /* Install method */
1177 char conc1; /* total concs in line1 */
1178 char conc2; /* total concs in line2 */
1179 char module1; /* total modules for line1 */
1180 char module2; /* total modules for line2 */
1181 char *status; /* config status */
1182 char *dimstatus; /* Y/N */
1183 int status_index; /* field pointer */