| /* |
| * 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/version.h> /* To get the current Linux version */ |
| #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 */ |
| |
| #include "dgap_types.h" /* Additional types needed by the Digi header files */ |
| #include "digi.h" /* Digi specific ioctl header */ |
| #include "dgap_kcompat.h" /* Kernel 2.4/2.6 compat includes */ |
| #include "dgap_sysfs.h" /* Support for SYSFS */ |
| |
| /************************************************************************* |
| * |
| * Driver defines |
| * |
| *************************************************************************/ |
| |
| /* |
| * Driver identification, error and debugging statments |
| * |
| * In theory, you can change all occurrences of "digi" in the next |
| * three lines, and the driver printk's will all automagically change. |
| * |
| * APR((fmt, args, ...)); Always prints message |
| * DPR((fmt, args, ...)); Only prints if DGAP_TRACER is defined at |
| * compile time and dgap_debug!=0 |
| */ |
| #define DG_NAME "dgap-1.3-16" |
| #define DG_PART "40002347_C" |
| |
| #define PROCSTR "dgap" /* /proc entries */ |
| #define DEVSTR "/dev/dg/dgap" /* /dev entries */ |
| #define DRVSTR "dgap" /* Driver name string |
| * displayed by APR */ |
| #define APR(args) do { PRINTF_TO_KMEM(args); printk(DRVSTR": "); printk args; \ |
| } while (0) |
| #define RAPR(args) do { PRINTF_TO_KMEM(args); printk args; } while (0) |
| |
| #define TRC_TO_CONSOLE 1 |
| |
| /* |
| * Debugging levels can be set using debug insmod variable |
| * They can also be compiled out completely. |
| */ |
| |
| #define DBG_INIT (dgap_debug & 0x01) |
| #define DBG_BASIC (dgap_debug & 0x02) |
| #define DBG_CORE (dgap_debug & 0x04) |
| |
| #define DBG_OPEN (dgap_debug & 0x08) |
| #define DBG_CLOSE (dgap_debug & 0x10) |
| #define DBG_READ (dgap_debug & 0x20) |
| #define DBG_WRITE (dgap_debug & 0x40) |
| |
| #define DBG_IOCTL (dgap_debug & 0x80) |
| |
| #define DBG_PROC (dgap_debug & 0x100) |
| #define DBG_PARAM (dgap_debug & 0x200) |
| #define DBG_PSCAN (dgap_debug & 0x400) |
| #define DBG_EVENT (dgap_debug & 0x800) |
| |
| #define DBG_DRAIN (dgap_debug & 0x1000) |
| #define DBG_CARR (dgap_debug & 0x2000) |
| |
| #define DBG_MGMT (dgap_debug & 0x4000) |
| |
| |
| #if defined(DGAP_TRACER) |
| |
| # if defined(TRC_TO_KMEM) |
| /* Choose one: */ |
| # define TRC_ON_OVERFLOW_WRAP_AROUND |
| # undef TRC_ON_OVERFLOW_SHIFT_BUFFER |
| # endif //TRC_TO_KMEM |
| |
| # define TRC_MAXMSG 1024 |
| # define TRC_OVERFLOW "(OVERFLOW)" |
| # define TRC_DTRC "/usr/bin/dtrc" |
| |
| #if defined TRC_TO_CONSOLE |
| #define PRINTF_TO_CONSOLE(args) { printk(DRVSTR": "); printk args; } |
| #else //!defined TRACE_TO_CONSOLE |
| #define PRINTF_TO_CONSOLE(args) |
| #endif |
| |
| #if defined TRC_TO_KMEM |
| #define PRINTF_TO_KMEM(args) dgap_tracef args |
| #else //!defined TRC_TO_KMEM |
| #define PRINTF_TO_KMEM(args) |
| #endif |
| |
| #define TRC(args) { PRINTF_TO_KMEM(args); PRINTF_TO_CONSOLE(args) } |
| |
| # define DPR_INIT(ARGS) if (DBG_INIT) TRC(ARGS) |
| # define DPR_BASIC(ARGS) if (DBG_BASIC) TRC(ARGS) |
| # define DPR_CORE(ARGS) if (DBG_CORE) TRC(ARGS) |
| # define DPR_OPEN(ARGS) if (DBG_OPEN) TRC(ARGS) |
| # define DPR_CLOSE(ARGS) if (DBG_CLOSE) TRC(ARGS) |
| # define DPR_READ(ARGS) if (DBG_READ) TRC(ARGS) |
| # define DPR_WRITE(ARGS) if (DBG_WRITE) TRC(ARGS) |
| # define DPR_IOCTL(ARGS) if (DBG_IOCTL) TRC(ARGS) |
| # define DPR_PROC(ARGS) if (DBG_PROC) TRC(ARGS) |
| # define DPR_PARAM(ARGS) if (DBG_PARAM) TRC(ARGS) |
| # define DPR_PSCAN(ARGS) if (DBG_PSCAN) TRC(ARGS) |
| # define DPR_EVENT(ARGS) if (DBG_EVENT) TRC(ARGS) |
| # define DPR_DRAIN(ARGS) if (DBG_DRAIN) TRC(ARGS) |
| # define DPR_CARR(ARGS) if (DBG_CARR) TRC(ARGS) |
| # define DPR_MGMT(ARGS) if (DBG_MGMT) TRC(ARGS) |
| |
| # define DPR(ARGS) if (dgap_debug) TRC(ARGS) |
| # define P(X) dgap_tracef(#X "=%p\n", X) |
| # define X(X) dgap_tracef(#X "=%x\n", X) |
| |
| #else//!defined DGAP_TRACER |
| |
| #define PRINTF_TO_KMEM(args) |
| # define TRC(ARGS) |
| # define DPR_INIT(ARGS) |
| # define DPR_BASIC(ARGS) |
| # define DPR_CORE(ARGS) |
| # define DPR_OPEN(ARGS) |
| # define DPR_CLOSE(ARGS) |
| # define DPR_READ(ARGS) |
| # define DPR_WRITE(ARGS) |
| # define DPR_IOCTL(ARGS) |
| # define DPR_PROC(ARGS) |
| # define DPR_PARAM(ARGS) |
| # define DPR_PSCAN(ARGS) |
| # define DPR_EVENT(ARGS) |
| # define DPR_DRAIN(ARGS) |
| # define DPR_CARR(ARGS) |
| # define DPR_MGMT(ARGS) |
| |
| # define DPR(args) |
| |
| #endif//DGAP_TRACER |
| |
| /* 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) |
| |
| /* |
| * Lock function/defines. |
| * Makes spotting lock/unlock locations easier. |
| */ |
| # define DGAP_SPINLOCK_INIT(x) spin_lock_init(&(x)) |
| # define DGAP_LOCK(x,y) spin_lock_irqsave(&(x), y) |
| # define DGAP_UNLOCK(x,y) spin_unlock_irqrestore(&(x), y) |
| # define DGAP_TRYLOCK(x,y) spin_trylock(&(x)) |
| |
| /* |
| * All the possible states the driver can be while being loaded. |
| */ |
| enum { |
| DRIVER_INITIALIZED = 0, |
| DRIVER_NEED_CONFIG_LOAD, |
| DRIVER_REQUESTED_CONFIG, |
| DRIVER_READY |
| }; |
| |
| /* |
| * All the possible states the board can be while booting up. |
| */ |
| enum { |
| BOARD_FAILED = 0, |
| CONFIG_NOT_FOUND, |
| BOARD_FOUND, |
| NEED_RESET, |
| FINISHED_RESET, |
| NEED_CONFIG, |
| FINISHED_CONFIG, |
| NEED_DEVICE_CREATION, |
| REQUESTED_DEVICE_CREATION, |
| FINISHED_DEVICE_CREATION, |
| NEED_BIOS_LOAD, |
| REQUESTED_BIOS, |
| WAIT_BIOS_LOAD, |
| FINISHED_BIOS_LOAD, |
| NEED_FEP_LOAD, |
| REQUESTED_FEP, |
| WAIT_FEP_LOAD, |
| FINISHED_FEP_LOAD, |
| NEED_PROC_CREATION, |
| FINISHED_PROC_CREATION, |
| BOARD_READY |
| }; |
| |
| /* |
| * All the possible states that a requested concentrator image can be in. |
| */ |
| enum { |
| NO_PENDING_CONCENTRATOR_REQUESTS = 0, |
| NEED_CONCENTRATOR, |
| REQUESTED_CONCENTRATOR |
| }; |
| |
| extern char *dgap_state_text[]; |
| extern char *dgap_driver_state_text[]; |
| |
| |
| /* |
| * 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 firstminor; /* First minor, e.g. 0, 30, 60 */ |
| |
| 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 */ |
| uchar rev; /* PCI revision ID */ |
| uint pci_bus; /* PCI bus value */ |
| uint pci_slot; /* PCI slot value */ |
| u16 maxports; /* MAX ports this board can handle */ |
| uchar 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 */ |
| |
| u32 use_interrupts; /* Should we be interrupt driven? */ |
| 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 */ |
| |
| uchar *re_map_port; /* Remapped io port of the card */ |
| uchar *re_map_membase;/* Remapped memory of the card */ |
| |
| uchar runwait; /* # Processes waiting for FEP */ |
| uchar inhibit_poller; /* Tells the poller to leave us alone */ |
| |
| struct channel_t *channels[MAXPORTS]; /* array of pointers to our channels. */ |
| |
| struct tty_driver *SerialDriver; |
| char SerialName[200]; |
| struct tty_driver *PrintDriver; |
| char PrintName[200]; |
| |
| u32 dgap_Major_Serial_Registered; |
| u32 dgap_Major_TransparentPrint_Registered; |
| |
| u32 dgap_Serial_Major; |
| u32 dgap_TransparentPrint_Major; |
| |
| #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) |
| u32 TtyRefCnt; |
| #endif |
| |
| struct bs_t *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 */ |
| wait_queue_head_t kme_wait; /* Needed for DPA support */ |
| |
| u32 conc_dl_status; /* Status of any pending conc download */ |
| /* |
| * Mgmt data. |
| */ |
| char *msgbuf_head; |
| char *msgbuf; |
| }; |
| |
| |
| |
| /************************************************************************ |
| * 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; |
| u32 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 |
| |
| |
| /************************************************************************ |
| * Channel information structure. |
| ************************************************************************/ |
| struct channel_t { |
| int magic; /* Channel Magic Number */ |
| struct bs_t *ch_bs; /* Base structure pointer */ |
| struct cm_t *ch_cm; /* Command queue pointer */ |
| struct board_t *ch_bd; /* Board structure pointer */ |
| unsigned char *ch_vaddr; /* FEP memory origin */ |
| unsigned char *ch_taddr; /* Write buffer origin */ |
| unsigned char *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; |
| uchar pscan_savechar; |
| |
| u32 ch_portnum; /* Port number, 0 offset. */ |
| u32 ch_open_count; /* open count */ |
| u32 ch_flags; /* Channel flags */ |
| |
| |
| u32 ch_close_delay; /* How long we should drop RTS/DTR for */ |
| |
| 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 */ |
| |
| uchar ch_card; /* Card channel is on */ |
| uchar ch_stopc; /* Stop character */ |
| uchar ch_startc; /* Start character */ |
| |
| uchar ch_mostat; /* FEP output modem status */ |
| uchar ch_mistat; /* FEP input modem status */ |
| uchar ch_mforce; /* Modem values to be forced */ |
| uchar ch_mval; /* Force values */ |
| uchar ch_fepstopc; /* FEP stop character */ |
| uchar ch_fepstartc; /* FEP start character */ |
| |
| uchar ch_astopc; /* Auxiliary Stop character */ |
| uchar ch_astartc; /* Auxiliary Start character */ |
| uchar ch_fepastopc; /* Auxiliary FEP stop char */ |
| uchar ch_fepastartc; /* Auxiliary FEP start char */ |
| |
| uchar ch_hflow; /* FEP hardware handshake */ |
| uchar ch_dsr; /* stores real dsr value */ |
| uchar ch_cd; /* stores real cd value */ |
| uchar ch_tx_win; /* channel tx buffer window */ |
| uchar 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 */ |
| |
| uint ch_sniff_in; |
| uint ch_sniff_out; |
| char *ch_sniff_buf; /* Sniff buffer for proc */ |
| ulong ch_sniff_flags; /* Channel flags */ |
| wait_queue_head_t ch_sniff_wait; |
| }; |
| |
| |
| /************************************************************************* |
| * |
| * Prototypes for non-static functions used in more than one module |
| * |
| *************************************************************************/ |
| |
| extern int dgap_ms_sleep(ulong ms); |
| extern char *dgap_ioctl_name(int cmd); |
| extern void dgap_do_bios_load(struct board_t *brd, uchar __user *ubios, int len); |
| extern void dgap_do_fep_load(struct board_t *brd, uchar __user *ufep, int len); |
| extern void dgap_do_conc_load(struct board_t *brd, uchar *uaddr, int len); |
| extern void dgap_do_config_load(uchar __user *uaddr, int len); |
| extern int dgap_after_config_loaded(void); |
| extern int dgap_finalize_board_init(struct board_t *brd); |
| |
| /* |
| * Our Global Variables. |
| */ |
| extern int dgap_driver_state; /* The state of the driver */ |
| extern int dgap_debug; /* Debug variable */ |
| extern int dgap_rawreadok; /* Set if user wants rawreads */ |
| extern int dgap_poll_tick; /* Poll interval - 20 ms */ |
| extern spinlock_t dgap_global_lock; /* Driver global spinlock */ |
| extern uint dgap_NumBoards; /* Total number of boards */ |
| extern struct board_t *dgap_Board[MAXBOARDS]; /* Array of board structs */ |
| extern ulong dgap_poll_counter; /* Times the poller has run */ |
| extern char *dgap_config_buf; /* The config file buffer */ |
| extern spinlock_t dgap_dl_lock; /* Downloader spinlock */ |
| extern wait_queue_head_t dgap_dl_wait; /* Wait queue for downloader */ |
| extern int dgap_dl_action; /* Action flag for downloader */ |
| extern int dgap_registerttyswithsysfs; /* Should we register the */ |
| /* ttys with sysfs or not */ |
| |
| /* |
| * Global functions declared in dgap_fep5.c, but must be hidden from |
| * user space programs. |
| */ |
| extern void dgap_poll_tasklet(unsigned long data); |
| extern void dgap_cmdb(struct channel_t *ch, uchar cmd, uchar byte1, uchar byte2, uint ncmds); |
| extern void dgap_cmdw(struct channel_t *ch, uchar cmd, u16 word, uint ncmds); |
| extern void dgap_wmove(struct channel_t *ch, char *buf, uint cnt); |
| extern int dgap_param(struct tty_struct *tty); |
| extern void dgap_parity_scan(struct channel_t *ch, unsigned char *cbuf, unsigned char *fbuf, int *len); |
| extern uint dgap_get_custom_baud(struct channel_t *ch); |
| extern void dgap_firmware_reset_port(struct channel_t *ch); |
| |
| #endif |