--- /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!!!
+ *
+ *************************************************************************
+ *
+ * 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 overriden 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 IO 79
+#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 port; /* I/O Address */
+ char *portstr; /* I/O Address in string */
+ 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_port;
+ 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
Code Review / kvmfornfv.git / blobdiff