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- /*
- * 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!!!
- *
- *************************************************************************
- *
- * Driver includes
- *
- *************************************************************************/
- #ifndef __DGAP_DRIVER_H
- #define __DGAP_DRIVER_H
- #include <linux/types.h> /* To pick up the varions Linux types */
- #include <linux/tty.h> /* To pick up the various tty structs/defines */
- #include <linux/interrupt.h> /* For irqreturn_t type */
- #ifndef TRUE
- # define TRUE 1
- #endif
- #ifndef FALSE
- # define FALSE 0
- #endif
- #if !defined(TTY_FLIPBUF_SIZE)
- # define TTY_FLIPBUF_SIZE 512
- #endif
- /*************************************************************************
- *
- * Driver defines
- *
- *************************************************************************/
- /*
- * Driver identification
- */
- #define DG_NAME "dgap-1.3-16"
- #define DG_PART "40002347_C"
- #define DRVSTR "dgap"
- /*
- * defines from dgap_pci.h
- */
- #define PCIMAX 32 /* maximum number of PCI boards */
- #define DIGI_VID 0x114F
- #define PCI_DEV_EPC_DID 0x0002
- #define PCI_DEV_XEM_DID 0x0004
- #define PCI_DEV_XR_DID 0x0005
- #define PCI_DEV_CX_DID 0x0006
- #define PCI_DEV_XRJ_DID 0x0009 /* PLX-based Xr adapter */
- #define PCI_DEV_XR_IBM_DID 0x0011 /* IBM 8-port Async Adapter */
- #define PCI_DEV_XR_BULL_DID 0x0013 /* BULL 8-port Async Adapter */
- #define PCI_DEV_XR_SAIP_DID 0x001c /* SAIP card - Xr adapter */
- #define PCI_DEV_XR_422_DID 0x0012 /* Xr-422 */
- #define PCI_DEV_920_2_DID 0x0034 /* XR-Plus 920 K, 2 port */
- #define PCI_DEV_920_4_DID 0x0026 /* XR-Plus 920 K, 4 port */
- #define PCI_DEV_920_8_DID 0x0027 /* XR-Plus 920 K, 8 port */
- #define PCI_DEV_EPCJ_DID 0x000a /* PLX 9060 chip for PCI */
- #define PCI_DEV_CX_IBM_DID 0x001b /* IBM 128-port Async Adapter */
- #define PCI_DEV_920_8_HP_DID 0x0058 /* HP XR-Plus 920 K, 8 port */
- #define PCI_DEV_XEM_HP_DID 0x0059 /* HP Xem PCI */
- #define PCI_DEV_XEM_NAME "AccelePort XEM"
- #define PCI_DEV_CX_NAME "AccelePort CX"
- #define PCI_DEV_XR_NAME "AccelePort Xr"
- #define PCI_DEV_XRJ_NAME "AccelePort Xr (PLX)"
- #define PCI_DEV_XR_SAIP_NAME "AccelePort Xr (SAIP)"
- #define PCI_DEV_920_2_NAME "AccelePort Xr920 2 port"
- #define PCI_DEV_920_4_NAME "AccelePort Xr920 4 port"
- #define PCI_DEV_920_8_NAME "AccelePort Xr920 8 port"
- #define PCI_DEV_XR_422_NAME "AccelePort Xr 422"
- #define PCI_DEV_EPCJ_NAME "AccelePort EPC (PLX)"
- #define PCI_DEV_XR_BULL_NAME "AccelePort Xr (BULL)"
- #define PCI_DEV_XR_IBM_NAME "AccelePort Xr (IBM)"
- #define PCI_DEV_CX_IBM_NAME "AccelePort CX (IBM)"
- #define PCI_DEV_920_8_HP_NAME "AccelePort Xr920 8 port (HP)"
- #define PCI_DEV_XEM_HP_NAME "AccelePort XEM (HP)"
- /*
- * On the PCI boards, there is no IO space allocated
- * The I/O registers will be in the first 3 bytes of the
- * upper 2MB of the 4MB memory space. The board memory
- * will be mapped into the low 2MB of the 4MB memory space
- */
- /* Potential location of PCI Bios from E0000 to FFFFF*/
- #define PCI_BIOS_SIZE 0x00020000
- /* Size of Memory and I/O for PCI (4MB) */
- #define PCI_RAM_SIZE 0x00400000
- /* Size of Memory (2MB) */
- #define PCI_MEM_SIZE 0x00200000
- /* Max PCI Window Size (2MB) */
- #define PCI_WIN_SIZE 0x00200000
- #define PCI_WIN_SHIFT 21 /* 21 bits max */
- /* Offset of I/0 in Memory (2MB) */
- #define PCI_IO_OFFSET 0x00200000
- /* Size of IO (2MB) */
- #define PCI_IO_SIZE_DGAP 0x00200000
- /* Number of boards we support at once. */
- #define MAXBOARDS 32
- #define MAXPORTS 224
- #define MAXTTYNAMELEN 200
- /* Our 3 magic numbers for our board, channel and unit structs */
- #define DGAP_BOARD_MAGIC 0x5c6df104
- #define DGAP_CHANNEL_MAGIC 0x6c6df104
- #define DGAP_UNIT_MAGIC 0x7c6df104
- /* Serial port types */
- #define DGAP_SERIAL 0
- #define DGAP_PRINT 1
- #define SERIAL_TYPE_NORMAL 1
- /* 4 extra for alignment play space */
- #define WRITEBUFLEN ((4096) + 4)
- #define MYFLIPLEN N_TTY_BUF_SIZE
- #define SBREAK_TIME 0x25
- #define U2BSIZE 0x400
- #define dgap_jiffies_from_ms(a) (((a) * HZ) / 1000)
- /*
- * Our major for the mgmt devices.
- *
- * We can use 22, because Digi was allocated 22 and 23 for the epca driver.
- * 22 has now become obsolete now that the "cu" devices have
- * been removed from 2.6.
- * Also, this *IS* the epca driver, just PCI only now.
- */
- #ifndef DIGI_DGAP_MAJOR
- # define DIGI_DGAP_MAJOR 22
- #endif
- /*
- * The parameters we use to define the periods of the moving averages.
- */
- #define MA_PERIOD (HZ / 10)
- #define SMA_DUR (1 * HZ)
- #define EMA_DUR (1 * HZ)
- #define SMA_NPERIODS (SMA_DUR / MA_PERIOD)
- #define EMA_NPERIODS (EMA_DUR / MA_PERIOD)
- /*
- * Define a local default termios struct. All ports will be created
- * with this termios initially. This is the same structure that is defined
- * as the default in tty_io.c with the same settings overridden as in serial.c
- *
- * In short, this should match the internal serial ports' defaults.
- */
- #define DEFAULT_IFLAGS (ICRNL | IXON)
- #define DEFAULT_OFLAGS (OPOST | ONLCR)
- #define DEFAULT_CFLAGS (B9600 | CS8 | CREAD | HUPCL | CLOCAL)
- #define DEFAULT_LFLAGS (ISIG | ICANON | ECHO | ECHOE | ECHOK | \
- ECHOCTL | ECHOKE | IEXTEN)
- #ifndef _POSIX_VDISABLE
- #define _POSIX_VDISABLE ('\0')
- #endif
- #define SNIFF_MAX 65536 /* Sniff buffer size (2^n) */
- #define SNIFF_MASK (SNIFF_MAX - 1) /* Sniff wrap mask */
- #define VPDSIZE (512)
- /************************************************************************
- * 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 */
- /*
- * defines from dgap_conf.h
- */
- #define NULLNODE 0 /* header node, not used */
- #define BNODE 1 /* Board node */
- #define LNODE 2 /* Line node */
- #define CNODE 3 /* Concentrator node */
- #define MNODE 4 /* EBI Module node */
- #define TNODE 5 /* tty name prefix node */
- #define CUNODE 6 /* cu name prefix (non-SCO) */
- #define PNODE 7 /* trans. print prefix node */
- #define JNODE 8 /* maJor number node */
- #define ANODE 9 /* altpin */
- #define TSNODE 10 /* tty structure size */
- #define CSNODE 11 /* channel structure size */
- #define BSNODE 12 /* board structure size */
- #define USNODE 13 /* unit schedule structure size */
- #define FSNODE 14 /* f2200 structure size */
- #define VSNODE 15 /* size of VPIX structures */
- #define INTRNODE 16 /* enable interrupt */
- /* Enumeration of tokens */
- #define BEGIN 1
- #define END 2
- #define BOARD 10
- #define EPCFS 11 /* start of EPC family definitions */
- #define ICX 11
- #define MCX 13
- #define PCX 14
- #define IEPC 15
- #define EEPC 16
- #define MEPC 17
- #define IPCM 18
- #define EPCM 19
- #define MPCM 20
- #define PEPC 21
- #define PPCM 22
- #ifdef CP
- #define ICP 23
- #define ECP 24
- #define MCP 25
- #endif
- #define EPCFE 25 /* end of EPC family definitions */
- #define PC2E 26
- #define PC4E 27
- #define PC4E8K 28
- #define PC8E 29
- #define PC8E8K 30
- #define PC16E 31
- #define MC2E8K 34
- #define MC4E8K 35
- #define MC8E8K 36
- #define AVANFS 42 /* start of Avanstar family definitions */
- #define A8P 42
- #define A16P 43
- #define AVANFE 43 /* end of Avanstar family definitions */
- #define DA2000FS 44 /* start of AccelePort 2000 family definitions */
- #define DA22 44 /* AccelePort 2002 */
- #define DA24 45 /* AccelePort 2004 */
- #define DA28 46 /* AccelePort 2008 */
- #define DA216 47 /* AccelePort 2016 */
- #define DAR4 48 /* AccelePort RAS 4 port */
- #define DAR8 49 /* AccelePort RAS 8 port */
- #define DDR24 50 /* DataFire RAS 24 port */
- #define DDR30 51 /* DataFire RAS 30 port */
- #define DDR48 52 /* DataFire RAS 48 port */
- #define DDR60 53 /* DataFire RAS 60 port */
- #define DA2000FE 53 /* end of AccelePort 2000/RAS family definitions */
- #define PCXRFS 106 /* start of PCXR family definitions */
- #define APORT4 106
- #define APORT8 107
- #define PAPORT4 108
- #define PAPORT8 109
- #define APORT4_920I 110
- #define APORT8_920I 111
- #define APORT4_920P 112
- #define APORT8_920P 113
- #define APORT2_920P 114
- #define PCXRFE 117 /* end of PCXR family definitions */
- #define LINE 82
- #ifdef T1
- #define T1M 83
- #define E1M 84
- #endif
- #define CONC 64
- #define CX 65
- #define EPC 66
- #define MOD 67
- #define PORTS 68
- #define METHOD 69
- #define CUSTOM 70
- #define BASIC 71
- #define STATUS 72
- #define MODEM 73
- /* The following tokens can appear in multiple places */
- #define SPEED 74
- #define NPORTS 75
- #define ID 76
- #define CABLE 77
- #define CONNECT 78
- #define MEM 80
- #define DPSZ 81
- #define TTYN 90
- #define CU 91
- #define PRINT 92
- #define XPRINT 93
- #define CMAJOR 94
- #define ALTPIN 95
- #define STARTO 96
- #define USEINTR 97
- #define PCIINFO 98
- #define TTSIZ 100
- #define CHSIZ 101
- #define BSSIZ 102
- #define UNTSIZ 103
- #define F2SIZ 104
- #define VPSIZ 105
- #define TOTAL_BOARD 2
- #define CURRENT_BRD 4
- #define BOARD_TYPE 6
- #define IO_ADDRESS 8
- #define MEM_ADDRESS 10
- #define FIELDS_PER_PAGE 18
- #define TB_FIELD 1
- #define CB_FIELD 3
- #define BT_FIELD 5
- #define IO_FIELD 7
- #define ID_FIELD 8
- #define ME_FIELD 9
- #define TTY_FIELD 11
- #define CU_FIELD 13
- #define PR_FIELD 15
- #define MPR_FIELD 17
- #define MAX_FIELD 512
- #define INIT 0
- #define NITEMS 128
- #define MAX_ITEM 512
- #define DSCRINST 1
- #define DSCRNUM 3
- #define ALTPINQ 5
- #define SSAVE 7
- #define DSCR "32"
- #define ONETONINE "123456789"
- #define ALL "1234567890"
- /*
- * All the possible states the driver can be while being loaded.
- */
- enum {
- DRIVER_INITIALIZED = 0,
- DRIVER_READY
- };
- /*
- * All the possible states the board can be while booting up.
- */
- enum {
- BOARD_FAILED = 0,
- BOARD_READY
- };
- /*
- * All the possible states that a requested concentrator image can be in.
- */
- enum {
- NO_PENDING_CONCENTRATOR_REQUESTS = 0,
- NEED_CONCENTRATOR,
- REQUESTED_CONCENTRATOR
- };
- /*
- * Modem line constants are defined as macros because DSR and
- * DCD are swapable using the ditty altpin option.
- */
- #define D_CD(ch) ch->ch_cd /* Carrier detect */
- #define D_DSR(ch) ch->ch_dsr /* Data set ready */
- #define D_RTS(ch) DM_RTS /* Request to send */
- #define D_CTS(ch) DM_CTS /* Clear to send */
- #define D_RI(ch) DM_RI /* Ring indicator */
- #define D_DTR(ch) DM_DTR /* Data terminal ready */
- /*************************************************************************
- *
- * Structures and closely related defines.
- *
- *************************************************************************/
- /*
- * A structure to hold a statistics counter. We also
- * compute moving averages for this counter.
- */
- struct macounter {
- u32 cnt; /* Total count */
- ulong accum; /* Acuumulator per period */
- ulong sma; /* Simple moving average */
- ulong ema; /* Exponential moving average */
- };
- /************************************************************************
- * Device flag definitions for bd_flags.
- ************************************************************************/
- #define BD_FEP5PLUS 0x0001 /* Supports FEP5 Plus commands */
- #define BD_HAS_VPD 0x0002 /* Board has VPD info available */
- /*
- * Per-board information
- */
- struct board_t {
- int magic; /* Board Magic number. */
- int boardnum; /* Board number: 0-3 */
- int type; /* Type of board */
- char *name; /* Product Name */
- struct pci_dev *pdev; /* Pointer to the pci_dev struct */
- u16 vendor; /* PCI vendor ID */
- u16 device; /* PCI device ID */
- u16 subvendor; /* PCI subsystem vendor ID */
- u16 subdevice; /* PCI subsystem device ID */
- u8 rev; /* PCI revision ID */
- uint pci_bus; /* PCI bus value */
- uint pci_slot; /* PCI slot value */
- u16 maxports; /* MAX ports this board can handle */
- u8 vpd[VPDSIZE]; /* VPD of board, if found */
- u32 bd_flags; /* Board flags */
- spinlock_t bd_lock; /* Used to protect board */
- u32 state; /* State of card. */
- wait_queue_head_t state_wait; /* Place to sleep on for state change */
- struct tasklet_struct helper_tasklet; /* Poll helper tasklet */
- u32 wait_for_bios;
- u32 wait_for_fep;
- struct cnode *bd_config; /* Config of board */
- u16 nasync; /* Number of ports on card */
- ulong irq; /* Interrupt request number */
- ulong intr_count; /* Count of interrupts */
- u32 intr_used; /* Non-zero if using interrupts */
- u32 intr_running; /* Non-zero if FEP knows its doing */
- /* interrupts */
- ulong port; /* Start of base io port of the card */
- ulong port_end; /* End of base io port of the card */
- ulong membase; /* Start of base memory of the card */
- ulong membase_end; /* End of base memory of the card */
- u8 __iomem *re_map_port; /* Remapped io port of the card */
- u8 __iomem *re_map_membase;/* Remapped memory of the card */
- u8 inhibit_poller; /* Tells the poller to leave us alone */
- struct channel_t *channels[MAXPORTS]; /* array of pointers to our */
- /* channels. */
- struct tty_driver *serial_driver;
- struct tty_port *serial_ports;
- char serial_name[200];
- struct tty_driver *print_driver;
- struct tty_port *printer_ports;
- char print_name[200];
- struct bs_t __iomem *bd_bs; /* Base structure pointer */
- char *flipbuf; /* Our flip buffer, alloced if */
- /* board is found */
- char *flipflagbuf; /* Our flip flag buffer, alloced */
- /* if board is found */
- u16 dpatype; /* The board "type", as defined */
- /* by DPA */
- u16 dpastatus; /* The board "status", as defined */
- /* by DPA */
- u32 conc_dl_status; /* Status of any pending conc */
- /* download */
- };
- /************************************************************************
- * Unit flag definitions for un_flags.
- ************************************************************************/
- #define UN_ISOPEN 0x0001 /* Device is open */
- #define UN_CLOSING 0x0002 /* Line is being closed */
- #define UN_IMM 0x0004 /* Service immediately */
- #define UN_BUSY 0x0008 /* Some work this channel */
- #define UN_BREAKI 0x0010 /* Input break received */
- #define UN_PWAIT 0x0020 /* Printer waiting for terminal */
- #define UN_TIME 0x0040 /* Waiting on time */
- #define UN_EMPTY 0x0080 /* Waiting output queue empty */
- #define UN_LOW 0x0100 /* Waiting output low water mark*/
- #define UN_EXCL_OPEN 0x0200 /* Open for exclusive use */
- #define UN_WOPEN 0x0400 /* Device waiting for open */
- #define UN_WIOCTL 0x0800 /* Device waiting for open */
- #define UN_HANGUP 0x8000 /* Carrier lost */
- struct device;
- /************************************************************************
- * Structure for terminal or printer unit.
- ************************************************************************/
- struct un_t {
- int magic; /* Unit Magic Number. */
- struct channel_t *un_ch;
- u32 un_time;
- u32 un_type;
- int un_open_count; /* Counter of opens to port */
- struct tty_struct *un_tty;/* Pointer to unit tty structure */
- u32 un_flags; /* Unit flags */
- wait_queue_head_t un_flags_wait; /* Place to sleep to wait on unit */
- u32 un_dev; /* Minor device number */
- tcflag_t un_oflag; /* oflags being done on board */
- tcflag_t un_lflag; /* lflags being done on board */
- struct device *un_sysfs;
- };
- /************************************************************************
- * Device flag definitions for ch_flags.
- ************************************************************************/
- #define CH_PRON 0x0001 /* Printer on string */
- #define CH_OUT 0x0002 /* Dial-out device open */
- #define CH_STOP 0x0004 /* Output is stopped */
- #define CH_STOPI 0x0008 /* Input is stopped */
- #define CH_CD 0x0010 /* Carrier is present */
- #define CH_FCAR 0x0020 /* Carrier forced on */
- #define CH_RXBLOCK 0x0080 /* Enable rx blocked flag */
- #define CH_WLOW 0x0100 /* Term waiting low event */
- #define CH_WEMPTY 0x0200 /* Term waiting empty event */
- #define CH_RENABLE 0x0400 /* Buffer just emptied */
- #define CH_RACTIVE 0x0800 /* Process active in xxread() */
- #define CH_RWAIT 0x1000 /* Process waiting in xxread() */
- #define CH_BAUD0 0x2000 /* Used for checking B0 transitions */
- #define CH_HANGUP 0x8000 /* Hangup received */
- /*
- * Definitions for ch_sniff_flags
- */
- #define SNIFF_OPEN 0x1
- #define SNIFF_WAIT_DATA 0x2
- #define SNIFF_WAIT_SPACE 0x4
- /************************************************************************
- *** Definitions for Digi ditty(1) command.
- ************************************************************************/
- /************************************************************************
- * This module provides application access to special Digi
- * serial line enhancements which are not standard UNIX(tm) features.
- ************************************************************************/
- #if !defined(TIOCMODG)
- #define TIOCMODG (('d'<<8) | 250) /* get modem ctrl state */
- #define TIOCMODS (('d'<<8) | 251) /* set modem ctrl state */
- #ifndef TIOCM_LE
- #define TIOCM_LE 0x01 /* line enable */
- #define TIOCM_DTR 0x02 /* data terminal ready */
- #define TIOCM_RTS 0x04 /* request to send */
- #define TIOCM_ST 0x08 /* secondary transmit */
- #define TIOCM_SR 0x10 /* secondary receive */
- #define TIOCM_CTS 0x20 /* clear to send */
- #define TIOCM_CAR 0x40 /* carrier detect */
- #define TIOCM_RNG 0x80 /* ring indicator */
- #define TIOCM_DSR 0x100 /* data set ready */
- #define TIOCM_RI TIOCM_RNG /* ring (alternate) */
- #define TIOCM_CD TIOCM_CAR /* carrier detect (alt) */
- #endif
- #endif
- #if !defined(TIOCMSET)
- #define TIOCMSET (('d'<<8) | 252) /* set modem ctrl state */
- #define TIOCMGET (('d'<<8) | 253) /* set modem ctrl state */
- #endif
- #if !defined(TIOCMBIC)
- #define TIOCMBIC (('d'<<8) | 254) /* set modem ctrl state */
- #define TIOCMBIS (('d'<<8) | 255) /* set modem ctrl state */
- #endif
- #if !defined(TIOCSDTR)
- #define TIOCSDTR (('e'<<8) | 0) /* set DTR */
- #define TIOCCDTR (('e'<<8) | 1) /* clear DTR */
- #endif
- /************************************************************************
- * Ioctl command arguments for DIGI parameters.
- ************************************************************************/
- #define DIGI_GETA (('e'<<8) | 94) /* Read params */
- #define DIGI_SETA (('e'<<8) | 95) /* Set params */
- #define DIGI_SETAW (('e'<<8) | 96) /* Drain & set params */
- #define DIGI_SETAF (('e'<<8) | 97) /* Drain, flush & set params */
- #define DIGI_KME (('e'<<8) | 98) /* Read/Write Host */
- /* Adapter Memory */
- #define DIGI_GETFLOW (('e'<<8) | 99) /* Get startc/stopc flow */
- /* control characters */
- #define DIGI_SETFLOW (('e'<<8) | 100) /* Set startc/stopc flow */
- /* control characters */
- #define DIGI_GETAFLOW (('e'<<8) | 101) /* Get Aux. startc/stopc */
- /* flow control chars */
- #define DIGI_SETAFLOW (('e'<<8) | 102) /* Set Aux. startc/stopc */
- /* flow control chars */
- #define DIGI_GEDELAY (('d'<<8) | 246) /* Get edelay */
- #define DIGI_SEDELAY (('d'<<8) | 247) /* Set edelay */
- struct digiflow_t {
- unsigned char startc; /* flow cntl start char */
- unsigned char stopc; /* flow cntl stop char */
- };
- #ifdef FLOW_2200
- #define F2200_GETA (('e'<<8) | 104) /* Get 2x36 flow cntl flags */
- #define F2200_SETAW (('e'<<8) | 105) /* Set 2x36 flow cntl flags */
- #define F2200_MASK 0x03 /* 2200 flow cntl bit mask */
- #define FCNTL_2200 0x01 /* 2x36 terminal flow cntl */
- #define PCNTL_2200 0x02 /* 2x36 printer flow cntl */
- #define F2200_XON 0xf8
- #define P2200_XON 0xf9
- #define F2200_XOFF 0xfa
- #define P2200_XOFF 0xfb
- #define FXOFF_MASK 0x03 /* 2200 flow status mask */
- #define RCVD_FXOFF 0x01 /* 2x36 Terminal XOFF rcvd */
- #define RCVD_PXOFF 0x02 /* 2x36 Printer XOFF rcvd */
- #endif
- /************************************************************************
- * Values for digi_flags
- ************************************************************************/
- #define DIGI_IXON 0x0001 /* Handle IXON in the FEP */
- #define DIGI_FAST 0x0002 /* Fast baud rates */
- #define RTSPACE 0x0004 /* RTS input flow control */
- #define CTSPACE 0x0008 /* CTS output flow control */
- #define DSRPACE 0x0010 /* DSR output flow control */
- #define DCDPACE 0x0020 /* DCD output flow control */
- #define DTRPACE 0x0040 /* DTR input flow control */
- #define DIGI_COOK 0x0080 /* Cooked processing done in FEP */
- #define DIGI_FORCEDCD 0x0100 /* Force carrier */
- #define DIGI_ALTPIN 0x0200 /* Alternate RJ-45 pin config */
- #define DIGI_AIXON 0x0400 /* Aux flow control in fep */
- #define DIGI_PRINTER 0x0800 /* Hold port open for flow cntrl*/
- #define DIGI_PP_INPUT 0x1000 /* Change parallel port to input*/
- #define DIGI_DTR_TOGGLE 0x2000 /* Support DTR Toggle */
- #define DIGI_422 0x4000 /* for 422/232 selectable panel */
- #define DIGI_RTS_TOGGLE 0x8000 /* Support RTS Toggle */
- /************************************************************************
- * These options are not supported on the comxi.
- ************************************************************************/
- #define DIGI_COMXI (DIGI_FAST|DIGI_COOK|DSRPACE|DCDPACE|DTRPACE)
- #define DIGI_PLEN 28 /* String length */
- #define DIGI_TSIZ 10 /* Terminal string len */
- /************************************************************************
- * Structure used with ioctl commands for DIGI parameters.
- ************************************************************************/
- struct digi_t {
- unsigned short digi_flags; /* Flags (see above) */
- unsigned short digi_maxcps; /* Max printer CPS */
- unsigned short digi_maxchar; /* Max chars in print queue */
- unsigned short digi_bufsize; /* Buffer size */
- unsigned char digi_onlen; /* Length of ON string */
- unsigned char digi_offlen; /* Length of OFF string */
- char digi_onstr[DIGI_PLEN]; /* Printer on string */
- char digi_offstr[DIGI_PLEN]; /* Printer off string */
- char digi_term[DIGI_TSIZ]; /* terminal string */
- };
- /************************************************************************
- * KME definitions and structures.
- ************************************************************************/
- #define RW_IDLE 0 /* Operation complete */
- #define RW_READ 1 /* Read Concentrator Memory */
- #define RW_WRITE 2 /* Write Concentrator Memory */
- struct rw_t {
- unsigned char rw_req; /* Request type */
- unsigned char rw_board; /* Host Adapter board number */
- unsigned char rw_conc; /* Concentrator number */
- unsigned char rw_reserved; /* Reserved for expansion */
- unsigned long rw_addr; /* Address in concentrator */
- unsigned short rw_size; /* Read/write request length */
- unsigned char rw_data[128]; /* Data to read/write */
- };
- /************************************************************************
- * Structure to get driver status information
- ************************************************************************/
- struct digi_dinfo {
- unsigned long dinfo_nboards; /* # boards configured */
- char dinfo_reserved[12]; /* for future expansion */
- char dinfo_version[16]; /* driver version */
- };
- #define DIGI_GETDD (('d'<<8) | 248) /* get driver info */
- /************************************************************************
- * Structure used with ioctl commands for per-board information
- *
- * physsize and memsize differ when board has "windowed" memory
- ************************************************************************/
- struct digi_info {
- unsigned long info_bdnum; /* Board number (0 based) */
- unsigned long info_ioport; /* io port address */
- unsigned long info_physaddr; /* memory address */
- unsigned long info_physsize; /* Size of host mem window */
- unsigned long info_memsize; /* Amount of dual-port mem */
- /* on board */
- unsigned short info_bdtype; /* Board type */
- unsigned short info_nports; /* number of ports */
- char info_bdstate; /* board state */
- char info_reserved[7]; /* for future expansion */
- };
- #define DIGI_GETBD (('d'<<8) | 249) /* get board info */
- struct digi_stat {
- unsigned int info_chan; /* Channel number (0 based) */
- unsigned int info_brd; /* Board number (0 based) */
- unsigned long info_cflag; /* cflag for channel */
- unsigned long info_iflag; /* iflag for channel */
- unsigned long info_oflag; /* oflag for channel */
- unsigned long info_mstat; /* mstat for channel */
- unsigned long info_tx_data; /* tx_data for channel */
- unsigned long info_rx_data; /* rx_data for channel */
- unsigned long info_hflow; /* hflow for channel */
- unsigned long info_reserved[8]; /* for future expansion */
- };
- #define DIGI_GETSTAT (('d'<<8) | 244) /* get board info */
- /************************************************************************
- *
- * Structure used with ioctl commands for per-channel information
- *
- ************************************************************************/
- struct digi_ch {
- unsigned long info_bdnum; /* Board number (0 based) */
- unsigned long info_channel; /* Channel index number */
- unsigned long info_ch_cflag; /* Channel cflag */
- unsigned long info_ch_iflag; /* Channel iflag */
- unsigned long info_ch_oflag; /* Channel oflag */
- unsigned long info_chsize; /* Channel structure size */
- unsigned long info_sleep_stat; /* sleep status */
- dev_t info_dev; /* device number */
- unsigned char info_initstate; /* Channel init state */
- unsigned char info_running; /* Channel running state */
- long reserved[8]; /* reserved for future use */
- };
- /*
- * This structure is used with the DIGI_FEPCMD ioctl to
- * tell the driver which port to send the command for.
- */
- struct digi_cmd {
- int cmd;
- int word;
- int ncmds;
- int chan; /* channel index (zero based) */
- int bdid; /* board index (zero based) */
- };
- /*
- * info_sleep_stat defines
- */
- #define INFO_RUNWAIT 0x0001
- #define INFO_WOPEN 0x0002
- #define INFO_TTIOW 0x0004
- #define INFO_CH_RWAIT 0x0008
- #define INFO_CH_WEMPTY 0x0010
- #define INFO_CH_WLOW 0x0020
- #define INFO_XXBUF_BUSY 0x0040
- #define DIGI_GETCH (('d'<<8) | 245) /* get board info */
- /* Board type definitions */
- #define SUBTYPE 0007
- #define T_PCXI 0000
- #define T_PCXM 0001
- #define T_PCXE 0002
- #define T_PCXR 0003
- #define T_SP 0004
- #define T_SP_PLUS 0005
- # define T_HERC 0000
- # define T_HOU 0001
- # define T_LON 0002
- # define T_CHA 0003
- #define FAMILY 0070
- #define T_COMXI 0000
- #define T_PCXX 0010
- #define T_CX 0020
- #define T_EPC 0030
- #define T_PCLITE 0040
- #define T_SPXX 0050
- #define T_AVXX 0060
- #define T_DXB 0070
- #define T_A2K_4_8 0070
- #define BUSTYPE 0700
- #define T_ISABUS 0000
- #define T_MCBUS 0100
- #define T_EISABUS 0200
- #define T_PCIBUS 0400
- /* Board State Definitions */
- #define BD_RUNNING 0x0
- #define BD_REASON 0x7f
- #define BD_NOTFOUND 0x1
- #define BD_NOIOPORT 0x2
- #define BD_NOMEM 0x3
- #define BD_NOBIOS 0x4
- #define BD_NOFEP 0x5
- #define BD_FAILED 0x6
- #define BD_ALLOCATED 0x7
- #define BD_TRIBOOT 0x8
- #define BD_BADKME 0x80
- #define DIGI_LOOPBACK (('d'<<8) | 252) /* Enable/disable UART */
- /* internal loopback */
- #define DIGI_SPOLL (('d'<<8) | 254) /* change poller rate */
- #define DIGI_SETCUSTOMBAUD _IOW('e', 106, int) /* Set integer baud rate */
- #define DIGI_GETCUSTOMBAUD _IOR('e', 107, int) /* Get integer baud rate */
- #define DIGI_RESET_PORT (('e'<<8) | 93) /* Reset port */
- /************************************************************************
- * Channel information structure.
- ************************************************************************/
- struct channel_t {
- int magic; /* Channel Magic Number */
- struct bs_t __iomem *ch_bs; /* Base structure pointer */
- struct cm_t __iomem *ch_cm; /* Command queue pointer */
- struct board_t *ch_bd; /* Board structure pointer */
- u8 __iomem *ch_vaddr; /* FEP memory origin */
- u8 __iomem *ch_taddr; /* Write buffer origin */
- u8 __iomem *ch_raddr; /* Read buffer origin */
- struct digi_t ch_digi; /* Transparent Print structure */
- struct un_t ch_tun; /* Terminal unit info */
- struct un_t ch_pun; /* Printer unit info */
- spinlock_t ch_lock; /* provide for serialization */
- wait_queue_head_t ch_flags_wait;
- u32 pscan_state;
- u8 pscan_savechar;
- u32 ch_portnum; /* Port number, 0 offset. */
- u32 ch_open_count; /* open count */
- u32 ch_flags; /* Channel flags */
- u32 ch_cpstime; /* Time for CPS calculations */
- tcflag_t ch_c_iflag; /* channel iflags */
- tcflag_t ch_c_cflag; /* channel cflags */
- tcflag_t ch_c_oflag; /* channel oflags */
- tcflag_t ch_c_lflag; /* channel lflags */
- u16 ch_fepiflag; /* FEP tty iflags */
- u16 ch_fepcflag; /* FEP tty cflags */
- u16 ch_fepoflag; /* FEP tty oflags */
- u16 ch_wopen; /* Waiting for open process cnt */
- u16 ch_tstart; /* Transmit buffer start */
- u16 ch_tsize; /* Transmit buffer size */
- u16 ch_rstart; /* Receive buffer start */
- u16 ch_rsize; /* Receive buffer size */
- u16 ch_rdelay; /* Receive delay time */
- u16 ch_tlw; /* Our currently set low water mark */
- u16 ch_cook; /* Output character mask */
- u8 ch_card; /* Card channel is on */
- u8 ch_stopc; /* Stop character */
- u8 ch_startc; /* Start character */
- u8 ch_mostat; /* FEP output modem status */
- u8 ch_mistat; /* FEP input modem status */
- u8 ch_mforce; /* Modem values to be forced */
- u8 ch_mval; /* Force values */
- u8 ch_fepstopc; /* FEP stop character */
- u8 ch_fepstartc; /* FEP start character */
- u8 ch_astopc; /* Auxiliary Stop character */
- u8 ch_astartc; /* Auxiliary Start character */
- u8 ch_fepastopc; /* Auxiliary FEP stop char */
- u8 ch_fepastartc; /* Auxiliary FEP start char */
- u8 ch_hflow; /* FEP hardware handshake */
- u8 ch_dsr; /* stores real dsr value */
- u8 ch_cd; /* stores real cd value */
- u8 ch_tx_win; /* channel tx buffer window */
- u8 ch_rx_win; /* channel rx buffer window */
- uint ch_custom_speed; /* Custom baud, if set */
- uint ch_baud_info; /* Current baud info for /proc output */
- ulong ch_rxcount; /* total of data received so far */
- ulong ch_txcount; /* total of data transmitted so far */
- ulong ch_err_parity; /* Count of parity errors on channel */
- ulong ch_err_frame; /* Count of framing errors on channel */
- ulong ch_err_break; /* Count of breaks on channel */
- ulong ch_err_overrun; /* Count of overruns on channel */
- };
- /************************************************************************
- * Command structure definition.
- ************************************************************************/
- struct cm_t {
- unsigned short cm_head; /* Command buffer head offset */
- unsigned short cm_tail; /* Command buffer tail offset */
- unsigned short cm_start; /* start offset of buffer */
- unsigned short cm_max; /* last offset of buffer */
- };
- /************************************************************************
- * Event structure definition.
- ************************************************************************/
- struct ev_t {
- unsigned short ev_head; /* Command buffer head offset */
- unsigned short ev_tail; /* Command buffer tail offset */
- unsigned short ev_start; /* start offset of buffer */
- unsigned short ev_max; /* last offset of buffer */
- };
- /************************************************************************
- * Download buffer structure.
- ************************************************************************/
- struct downld_t {
- u8 dl_type; /* Header */
- u8 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 */
- u8 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 {
- unsigned short tp_jmp; /* Transmit poll jump */
- unsigned short tc_jmp; /* Cooked procedure jump */
- unsigned short ri_jmp; /* Not currently used */
- unsigned short rp_jmp; /* Receive poll jump */
- unsigned short tx_seg; /* W Tx segment */
- unsigned short tx_head; /* W Tx buffer head offset */
- unsigned short tx_tail; /* R Tx buffer tail offset */
- unsigned short tx_max; /* W Tx buffer size - 1 */
- unsigned short rx_seg; /* W Rx segment */
- unsigned short rx_head; /* W Rx buffer head offset */
- unsigned short rx_tail; /* R Rx buffer tail offset */
- unsigned short rx_max; /* W Rx buffer size - 1 */
- unsigned short tx_lw; /* W Tx buffer low water mark */
- unsigned short rx_lw; /* W Rx buffer low water mark */
- unsigned short rx_hw; /* W Rx buffer high water mark*/
- unsigned short incr; /* W Increment to next channel*/
- unsigned short fepdev; /* U SCC device base address */
- unsigned short edelay; /* W Exception delay */
- unsigned short blen; /* W Break length */
- unsigned short btime; /* U Break complete time */
- unsigned short iflag; /* C UNIX input flags */
- unsigned short oflag; /* C UNIX output flags */
- unsigned short cflag; /* C UNIX control flags */
- unsigned short wfill[13]; /* U Reserved for expansion */
- unsigned char num; /* U Channel number */
- unsigned char ract; /* U Receiver active counter */
- unsigned char bstat; /* U Break status bits */
- unsigned char tbusy; /* W Transmit busy */
- unsigned char iempty; /* W Transmit empty event */
- /* enable */
- unsigned char ilow; /* W Transmit low-water event */
- /* enable */
- unsigned char idata; /* W Receive data interrupt */
- /* enable */
- unsigned char eflag; /* U Host event flags */
- unsigned char tflag; /* U Transmit flags */
- unsigned char rflag; /* U Receive flags */
- unsigned char xmask; /* U Transmit ready flags */
- unsigned char xval; /* U Transmit ready value */
- unsigned char m_stat; /* RC Modem status bits */
- unsigned char m_change; /* U Modem bits which changed */
- unsigned char m_int; /* W Modem interrupt enable */
- /* bits */
- unsigned char m_last; /* U Last modem status */
- unsigned char mtran; /* C Unreported modem trans */
- unsigned char orun; /* C Buffer overrun occurred */
- unsigned char astartc; /* W Auxiliary Xon char */
- unsigned char astopc; /* W Auxiliary Xoff char */
- unsigned char startc; /* W Xon character */
- unsigned char stopc; /* W Xoff character */
- unsigned char vnextc; /* W Vnext character */
- unsigned char hflow; /* C Software flow control */
- unsigned char fillc; /* U Delay Fill character */
- unsigned char ochar; /* U Saved output character */
- unsigned char omask; /* U Output character mask */
- unsigned char bfill[13]; /* U Reserved for expansion */
- unsigned char scc[16]; /* U SCC registers */
- };
- struct cnode {
- struct cnode *next;
- int type;
- int numbrd;
- union {
- struct {
- char type; /* Board Type */
- long addr; /* Memory Address */
- char *addrstr; /* Memory Address in string */
- long pcibus; /* PCI BUS */
- char *pcibusstr; /* PCI BUS in string */
- long pcislot; /* PCI SLOT */
- char *pcislotstr; /* PCI SLOT in string */
- long nport; /* Number of Ports */
- char *id; /* tty id */
- long start; /* start of tty counting */
- char *method; /* Install method */
- char v_addr;
- char v_pcibus;
- char v_pcislot;
- char v_nport;
- char v_id;
- char v_start;
- char v_method;
- char line1;
- char line2;
- char conc1; /* total concs in line1 */
- char conc2; /* total concs in line2 */
- char module1; /* total modules for line1 */
- char module2; /* total modules for line2 */
- char *status; /* config status */
- char *dimstatus; /* Y/N */
- int status_index; /* field pointer */
- } board;
- struct {
- char *cable;
- char v_cable;
- long speed;
- char v_speed;
- } line;
- struct {
- char type;
- char *connect;
- long speed;
- long nport;
- char *id;
- char *idstr;
- long start;
- char v_connect;
- char v_speed;
- char v_nport;
- char v_id;
- char v_start;
- } conc;
- struct {
- char type;
- long nport;
- char *id;
- char *idstr;
- long start;
- char v_nport;
- char v_id;
- char v_start;
- } module;
- char *ttyname;
- char *cuname;
- char *printname;
- long majornumber;
- long altpin;
- long ttysize;
- long chsize;
- long bssize;
- long unsize;
- long f2size;
- long vpixsize;
- long useintr;
- } u;
- };
- #endif
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