diff options
Diffstat (limited to 'backend/plustek-pp_ptdrv.c')
| -rw-r--r-- | backend/plustek-pp_ptdrv.c | 703 |
1 files changed, 0 insertions, 703 deletions
diff --git a/backend/plustek-pp_ptdrv.c b/backend/plustek-pp_ptdrv.c index bf3a389..58b58b1 100644 --- a/backend/plustek-pp_ptdrv.c +++ b/backend/plustek-pp_ptdrv.c @@ -94,52 +94,13 @@ * If you do not wish that, delete this exception notice. * <hr> */ -#ifdef __KERNEL__ -# include <linux/module.h> -# include <linux/version.h> - -# ifdef CONFIG_DEVFS_FS -# include <linux/devfs_fs_kernel.h> -# if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,69)) -# define DEVFS_26_STYLE -# endif -# endif -#endif - #include "plustek-pp_scan.h" -#ifdef __KERNEL__ -# include <linux/param.h> -#endif - /****************************** static vars **********************************/ /* default port is at 0x378 */ static int port[_MAX_PTDEVS] = { 0x378, 0, 0, 0 }; -#ifdef __KERNEL__ -static pScanData PtDrvDevices[_MAX_PTDEVS] = { [0 ... (_MAX_PTDEVS-1)] = NULL}; - -/* default is 180 secs for lamp switch off */ -static int lampoff[_MAX_PTDEVS] = { [0 ... (_MAX_PTDEVS-1)] = 180 }; - -/* warmup period for lamp (30 secs) */ -static int warmup[_MAX_PTDEVS] = { [0 ... (_MAX_PTDEVS-1)] = 30 }; - -/* switch lamp off on unload (default = no)*/ -static int lOffonEnd[_MAX_PTDEVS] = { [0 ... (_MAX_PTDEVS-1)] = 0 }; - -/* model override (0-->none) */ -static UShort mov[_MAX_PTDEVS] = { [0 ... (_MAX_PTDEVS-1)] = 0 }; - -/* forceMode (0--> auto, 1: SPP, 2:EPP, others: auto) */ -static UShort forceMode[_MAX_PTDEVS] = { [0 ... (_MAX_PTDEVS-1)] = 0 }; - -/* to use delayed I/O for each device */ -static Bool slowIO[_MAX_PTDEVS] = { [0 ... (_MAX_PTDEVS-1)] = _FALSE }; - -#else - static pScanData PtDrvDevices[_MAX_PTDEVS]= { NULL, NULL, NULL, NULL }; static int lampoff[_MAX_PTDEVS] = { 180, 180, 180, 180 }; static int warmup[_MAX_PTDEVS] = { 30, 30, 30, 30 }; @@ -147,140 +108,14 @@ static int lOffonEnd[_MAX_PTDEVS] = { 0, 0, 0, 0 }; static UShort mov[_MAX_PTDEVS] = { 0, 0, 0, 0 }; static UShort forceMode[_MAX_PTDEVS] = { 0, 0, 0, 0 }; -#endif - /* timers for warmup checks */ static TimerDef toTimer[_MAX_PTDEVS]; -#ifndef __KERNEL__ static Bool PtDrvInitialized = _FALSE; #ifdef HAVE_SETITIMER static struct itimerval saveSettings; #endif -#else -static Bool deviceScanning = _FALSE; - -static struct timer_list tl[_MAX_PTDEVS]; - -/* for calculation of the timer expiration */ -extern volatile unsigned long jiffies; - -/* the parameter interface - */ -#if ((LINUX_VERSION_CODE > 0x020111) && defined(MODULE)) -MODULE_AUTHOR("Gerhard Jaeger <gerhard@gjaeger.de>"); -MODULE_DESCRIPTION("Plustek parallelport-scanner driver"); - -/* addresses this 'new' license feature... */ -#ifdef MODULE_LICENSE -MODULE_LICENSE("GPL"); -#endif - -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13)) -MODULE_PARM(port, "1-" __MODULE_STRING(_MAX_PTDEVS) "i"); -MODULE_PARM(lampoff, "1-" __MODULE_STRING(_MAX_PTDEVS) "i"); -MODULE_PARM(warmup,"1-" __MODULE_STRING(_MAX_PTDEVS) "i"); -MODULE_PARM(lOffonEnd, "1-" __MODULE_STRING(_MAX_PTDEVS) "i"); -MODULE_PARM(mov, "1-" __MODULE_STRING(_MAX_PTDEVS) "i"); -MODULE_PARM(slowIO,"1-" __MODULE_STRING(_MAX_PTDEVS) "i"); -MODULE_PARM(forceMode,"1-" __MODULE_STRING(_MAX_PTDEVS) "i"); - -#else - -static int array_len = _MAX_PTDEVS; - -module_param_array(port, int, &array_len, 0); -module_param_array(lampoff, int, &array_len, 0); -module_param_array(warmup, int, &array_len, 0); -module_param_array(lOffonEnd, int, &array_len, 0); -module_param_array(mov, ushort, &array_len, 0); -module_param_array(slowIO, int, &array_len, 0); -module_param_array(forceMode, ushort, &array_len, 0); - -#endif - - -MODULE_PARM_DESC(port, "I/O base address of parport"); -MODULE_PARM_DESC(lampoff, "Lamp-Off timer preset in seconds"); -MODULE_PARM_DESC(warmup, "Minimum warmup time in seconds"); -MODULE_PARM_DESC(lOffonEnd, "1 - switchoff lamp on unload"); -MODULE_PARM_DESC(mov, "Modell-override switch"); -MODULE_PARM_DESC(slowIO, "0 = Fast I/O, 1 = Delayed I/O"); -MODULE_PARM_DESC(forceMode, "0 = use auto detection, " - "1 = use SPP mode, 2 = use EPP mode"); -#endif - -#if defined (CONFIG_DEVFS_FS) -# ifndef (DEVFS_26_STYLE) - static devfs_handle_t devfs_handle = NULL; -# endif -#else -# ifdef LINUX_26 - static class_t *ptdrv_class; -# endif -#endif -/* - * the module interface - */ -static int pt_drv_open ( struct inode *, struct file *); -static CLOSETYPE pt_drv_close( struct inode *, struct file *); - -#ifdef LINUX_20 - static int pt_drv_read( struct inode*, struct file*, char*, int ); - static int pt_drv_write( struct inode*, struct file*, const char*, int ); -#else - static ssize_t pt_drv_read ( struct file *file, - char *buffer, size_t count, loff_t *); - static ssize_t pt_drv_write( struct file *file, - const char *buffer, size_t tmp,loff_t *count); -#endif - -#ifdef NOLOCK_IOCTL - static long pt_drv_ioctl( struct file *, UInt, unsigned long ); -#else - static int pt_drv_ioctl( struct inode *, struct file *, UInt, unsigned long ); -#endif - - -/* - * the driver interface - */ -#ifdef LINUX_20 - -static struct file_operations pt_drv_fops = -{ - NULL, /* seek */ - pt_drv_read, /* read */ - pt_drv_write, /* write */ - NULL, /* readdir */ - NULL, /* select */ - pt_drv_ioctl, /* ioctl */ - NULL, /* mmap */ - pt_drv_open, /* open */ - pt_drv_close, /* release */ - NULL, /* fsync */ - NULL, /* fasync */ - NULL, /* check_media_change */ - NULL /* revalidate */ -}; - -#else /* 2.2.x and higher stuff */ - -static struct file_operations pt_drv_fops = { -#ifdef LINUX_24 - owner: THIS_MODULE, -#endif - read: pt_drv_read, - write: pt_drv_write, - IOCTL: pt_drv_ioctl, - open: pt_drv_open, - release: pt_drv_close, -}; - -#endif - -#endif /* guard __KERNEL */ /****************************** some prototypes ******************************/ @@ -288,23 +123,6 @@ static void ptdrvStartLampTimer( pScanData ps ); /****************************** local functions ******************************/ -#ifdef __KERNEL__ -/** depending on the device, return the data structure - */ -static pScanData get_pt_from_inode(struct inode *ip) -{ - int minor = _MINOR(ip); - - /* - * unit out of range - */ - if (minor >= _MAX_PTDEVS ) - return NULL; - - return( PtDrvDevices[minor] ); -} -#endif - /** copy user-space data into kernel memory */ static int getUserPtr(const pVoid useraddr, pVoid where, UInt size ) @@ -315,32 +133,9 @@ static int getUserPtr(const pVoid useraddr, pVoid where, UInt size ) if((NULL == useraddr) || ( 0 == size)) return _E_INVALID; -#ifdef __KERNEL__ - if ((err = verify_area_20(VERIFY_READ, useraddr, size))) - return err; -#endif - switch (size) { -#ifdef __KERNEL__ - case sizeof(u_char): - GET_USER_RET(*(u_char *)where, (u_char *) useraddr, -EFAULT); - break; - - case sizeof(u_short): - GET_USER_RET(*(u_short *)where, (u_short *) useraddr, -EFAULT); - break; - - case sizeof(u_long): - GET_USER_RET(*(u_long *)where, (u_long *) useraddr, -EFAULT); - break; - - default: - if (copy_from_user(where, useraddr, size)) - return -EFAULT; -#else default: memcpy( where, useraddr, size ); -#endif } return err; } @@ -354,20 +149,11 @@ static int putUserPtr( const pVoid ptr, pVoid useraddr, UInt size ) if (NULL == useraddr) return _E_INVALID; -#ifdef __KERNEL__ - if ((err = verify_area_20(VERIFY_WRITE, useraddr, size))) - return err; - - if (copy_to_user(useraddr, ptr, size )) - return -EFAULT; -#else memcpy( useraddr, ptr, size ); -#endif return err; } -#ifndef __KERNEL__ static unsigned long copy_from_user( pVoid dest, pVoid src, unsigned long len ) { memcpy( dest, src, len ); @@ -379,37 +165,16 @@ static unsigned long copy_to_user( pVoid dest, pVoid src, unsigned long len ) memcpy( dest, src, len ); return 0; } -#endif /** */ static int putUserVal(const ULong value, pVoid useraddr, UInt size) { -#ifdef __KERNEL__ - int err; -#endif - if (NULL == useraddr) return _E_INVALID; -#ifdef __KERNEL__ - if ((err = verify_area_20(VERIFY_WRITE, useraddr, size))) - return err; -#endif - switch (size) { -#ifdef __KERNEL__ - case sizeof(u_char): - PUT_USER_RET((u_char)value, (u_char *) useraddr, -EFAULT); - break; - case sizeof(u_short): - PUT_USER_RET((u_short)value, (u_short *) useraddr, -EFAULT); - break; - case sizeof(u_long): - PUT_USER_RET((u_long)value, (u_long *) useraddr, -EFAULT); - break; -#else case sizeof(UChar): *(pUChar)useraddr = (UChar)value; break; @@ -420,7 +185,6 @@ static int putUserVal(const ULong value, pVoid useraddr, UInt size) *(pULong)useraddr = (ULong)value; break; -#endif default: return _E_INVALID; } @@ -506,22 +270,14 @@ static void ptdrvLampWarmup( pScanData ps ) /** */ -#ifdef __KERNEL__ -static void ptdrvLampTimerIrq( unsigned long ptr ) -#else static void ptdrvLampTimerIrq( int sig_num ) -#endif { pScanData ps; DBG( DBG_HIGH, "!! IRQ !! Lamp-Timer stopped.\n" ); -#ifdef __KERNEL__ - ps = (pScanData)ptr; -#else _VAR_NOT_USED( sig_num ); ps = PtDrvDevices[0]; -#endif /* * paranoia check! @@ -559,7 +315,6 @@ static void ptdrvLampTimerIrq( int sig_num ) */ static void ptdrvStartLampTimer( pScanData ps ) { -#ifndef __KERNEL__ sigset_t block, pause_mask; struct sigaction s; #ifdef HAVE_SETITIMER @@ -597,17 +352,6 @@ static void ptdrvStartLampTimer( pScanData ps ) #else alarm( ps->lampoff ); #endif -#else - init_timer( &tl[ps->devno] ); - - /* timeout val in seconds */ - tl[ps->devno].expires = jiffies + ps->lampoff * HZ; - tl[ps->devno].data = (unsigned long)ps; - tl[ps->devno].function = ptdrvLampTimerIrq; - - if( 0 != ps->lampoff ) - add_timer( &tl[ps->devno] ); -#endif DBG( DBG_HIGH, "Lamp-Timer started!\n" ); } @@ -616,7 +360,6 @@ static void ptdrvStartLampTimer( pScanData ps ) */ static void ptdrvStopLampTimer( pScanData ps ) { -#ifndef __KERNEL__ sigset_t block, pause_mask; /* block SIGALRM */ @@ -630,10 +373,6 @@ static void ptdrvStopLampTimer( pScanData ps ) _VAR_NOT_USED( ps ); alarm(0); #endif -#else - if( 0 != ps->lampoff ) - del_timer( &tl[ps->devno] ); -#endif DBG( DBG_HIGH, "Lamp-Timer stopped!\n" ); } @@ -701,23 +440,11 @@ static int ptdrvOpenDevice( pScanData ps ) UShort lastMode; ULong devno; -#ifdef __KERNEL__ - UShort flags; - struct pardevice *pd; - struct parport *pp; - ProcDirDef procDir; -#else int pd; -#endif /* * push some values from the struct */ -#ifdef __KERNEL__ - flags = ps->flags; - pp = ps->pp; - procDir = ps->procDir; -#endif pd = ps->pardev; iobase = ps->sCaps.wIOBase; asic = ps->sCaps.AsicID; @@ -734,29 +461,10 @@ static int ptdrvOpenDevice( pScanData ps ) /* * pop the val(s) */ -#ifdef __KERNEL__ - ps->flags = flags; - ps->pp = pp; - ps->procDir = procDir; -#endif ps->pardev = pd; ps->bLastLampStatus = lastStat; ps->IO.lastPortMode = lastMode; ps->devno = devno; - -#ifdef __KERNEL__ - if( _TRUE == slowIO[devno] ) { - DBG( DBG_LOW, "Using slow I/O\n" ); - ps->IO.slowIO = _TRUE; - ps->IO.fnOut = IOOutDelayed; - ps->IO.fnIn = IOInDelayed; - } else { - DBG( DBG_LOW, "Using fast I/O\n" ); - ps->IO.slowIO = _FALSE; - ps->IO.fnOut = IOOut; - ps->IO.fnIn = IOIn; - } -#endif ps->ModelOverride = mov[devno]; ps->warmup = warmup[devno]; ps->lampoff = lampoff[devno]; @@ -798,19 +506,6 @@ static int ptdrvInit( int devno ) return _E_ALLOC; } -#ifdef __KERNEL__ - if( _TRUE == slowIO[devno] ) { - DBG( DBG_LOW, "Using slow I/O\n" ); - ps->IO.slowIO = _TRUE; - ps->IO.fnOut = IOOutDelayed; - ps->IO.fnIn = IOInDelayed; - } else { - DBG( DBG_LOW, "Using fast I/O\n" ); - ps->IO.slowIO = _FALSE; - ps->IO.fnOut = IOOut; - ps->IO.fnIn = IOIn; - } -#endif ps->ModelOverride = mov[devno]; ps->warmup = warmup[devno]; ps->lampoff = lampoff[devno]; @@ -845,13 +540,8 @@ static int ptdrvInit( int devno ) if( _OK == retval ) { -#ifdef __KERNEL__ - _PRINT( "pt_drv%u: %s found on port 0x%04x\n", - devno, MiscGetModelName(ps->sCaps.Model), ps->IO.pbSppDataPort ); -#else DBG( DBG_LOW, "pt_drv%u: %s found\n", devno, MiscGetModelName(ps->sCaps.Model)); -#endif /* * initialize the timespan timer @@ -859,43 +549,23 @@ static int ptdrvInit( int devno ) MiscStartTimer( &toTimer[ps->devno], (_SECOND * ps->warmup)); if( 0 == ps->lampoff ) -#ifdef __KERNEL__ - _PRINT( -#else DBG( DBG_LOW, -#endif "pt_drv%u: Lamp-Timer switched off.\n", devno ); else { -#ifdef __KERNEL__ - _PRINT( -#else DBG( DBG_LOW, -#endif "pt_drv%u: Lamp-Timer set to %u seconds.\n", devno, ps->lampoff ); } -#ifdef __KERNEL__ - _PRINT( -#else DBG( DBG_LOW, -#endif "pt_drv%u: WarmUp period set to %u seconds.\n", devno, ps->warmup ); if( 0 == ps->lOffonEnd ) { -#ifdef __KERNEL__ - _PRINT( -#else DBG( DBG_LOW, -#endif "pt_drv%u: Lamp untouched on driver unload.\n", devno ); } else { -#ifdef __KERNEL__ - _PRINT( -#else DBG( DBG_LOW, -#endif "pt_drv%u: Lamp switch-off on driver unload.\n", devno ); } @@ -1287,31 +957,19 @@ static int ptdrvRead( pScanData ps, pUChar buffer, int count ) int retval = _OK; #ifdef _ASIC_98001_SIM -#ifdef __KERNEL__ - _PRINT( -#else DBG( DBG_LOW, -#endif "pt_drv : Software-Emulation active, can't read!\n" ); return _E_INVALID; #endif if((NULL == buffer) || (NULL == ps)) { -#ifdef __KERNEL__ - _PRINT( -#else DBG( DBG_HIGH, -#endif "pt_drv : Internal NULL-pointer!\n" ); return _E_NULLPTR; } if( 0 == count ) { -#ifdef __KERNEL__ - _PRINT( -#else DBG( DBG_HIGH, -#endif "pt_drv%u: reading 0 bytes makes no sense!\n", ps->devno ); return _E_INVALID; } @@ -1325,11 +983,7 @@ static int ptdrvRead( pScanData ps, pUChar buffer, int count ) * when using the cat /dev/pt_drv command! */ if (!(ps->DataInf.dwVxdFlag & _VF_ENVIRONMENT_READY)) { -#ifdef __KERNEL__ - _PRINT( -#else DBG( DBG_HIGH, -#endif "pt_drv%u: Cannot read, driver not initialized!\n",ps->devno); return _E_SEQUENCE; } @@ -1340,11 +994,7 @@ static int ptdrvRead( pScanData ps, pUChar buffer, int count ) ps->Scan.bp.pMonoBuf = _KALLOC( ps->DataInf.dwAppPhyBytesPerLine, GFP_KERNEL); if ( NULL == ps->Scan.bp.pMonoBuf ) { -#ifdef __KERNEL__ - _PRINT( -#else DBG( DBG_HIGH, -#endif "pt_drv%u: Not enough memory available!\n", ps->devno ); return _E_ALLOC; } @@ -1355,11 +1005,7 @@ static int ptdrvRead( pScanData ps, pUChar buffer, int count ) scaleBuf = _KALLOC( ps->DataInf.dwAppPhyBytesPerLine, GFP_KERNEL); if ( NULL == scaleBuf ) { _KFREE( ps->Scan.bp.pMonoBuf ); -#ifdef __KERNEL__ - _PRINT( -#else DBG( DBG_HIGH, -#endif "pt_drv%u: Not enough memory available!\n", ps->devno ); return _E_ALLOC; } @@ -1406,11 +1052,7 @@ static int ptdrvRead( pScanData ps, pUChar buffer, int count ) retval = ps->Calibration( ps ); if( _OK != retval ) { -#ifdef __KERNEL__ - _PRINT( -#else DBG( DBG_HIGH, -#endif "pt_drv%u: calibration failed, result = %i\n", ps->devno, retval ); goto ReadFinished; @@ -1507,12 +1149,9 @@ static int ptdrvRead( pScanData ps, pUChar buffer, int count ) ps->Scan.dwLinesToRead--; /* needed, esp. to avoid freezing the system in SPP mode */ -#ifdef __KERNEL__ - schedule(); /*#else sched_yield(); */ -#endif } if (ps->fScanningStatus) { @@ -1565,346 +1204,6 @@ ReadFinished: return retval; } -/*************************** the module interface ****************************/ - -#ifdef __KERNEL__ /* the kernel module interface */ - -/* Designed to be used as a module */ -#ifdef MODULE - -/*............................................................................. - * gets called upon module initialization - */ -#ifdef LINUX_26 -static int __init ptdrv_init( void ) -#else -int init_module( void ) -#endif -{ - UInt devCount; - UInt i; - int retval = _OK; - int result = _OK; -#if (defined(CONFIG_DEVFS_FS) && !defined(DEVFS_26_STYLE)) - char controlname[24]; -#endif -# ifdef LINUX_26 - char devname[20]; -#endif - - DBG( DBG_HIGH, "*********************************************\n" ); - DBG( DBG_HIGH, "pt_drv: init_module()\n" ); - -#if (defined(CONFIG_DEVFS_FS) && !defined(DEVFS_26_STYLE)) - devfs_handle = devfs_mk_dir(NULL, "scanner", NULL); - if( devfs_register_chrdev(_PTDRV_MAJOR, _DRV_NAME, &pt_drv_fops)) { -#else - if( register_chrdev(_PTDRV_MAJOR, _DRV_NAME, &pt_drv_fops)) { -#endif - - _PRINT(KERN_INFO "pt_drv: unable to get major %d for pt_drv devices\n", - _PTDRV_MAJOR); - return -EIO; - } - printk( KERN_INFO "pt_drv : driver version "_PTDRV_VERSTR"\n" ); - -#if !defined (CONFIG_DEVFS_FS) && defined (LINUX_26) - ptdrv_class = class_create(THIS_MODULE, "scanner"); - if (IS_ERR(ptdrv_class)) - goto out_devfs; -#endif - - /* register the proc_fs */ - ProcFsInitialize(); - - /* go through the list of defined ports and try to find a device - */ - devCount = 0; - for( i = 0; i < _MAX_PTDEVS; i++ ) { - - if( 0 != port[i] ) { - result = ptdrvInit( i ); - - if ( _OK == result ) { - PtDrvDevices[i]->flags |= _PTDRV_INITALIZED; - -#ifdef CONFIG_DEVFS_FS -# ifndef DEVFS_26_STYLE - sprintf( controlname, "scanner/pt_drv%d", devCount ); - devfs_register( NULL, controlname, - DEVFS_FL_DEFAULT, _PTDRV_MAJOR, 0, - (S_IFCHR | S_IRUGO | S_IWUGO | S_IFCHR), - &pt_drv_fops, NULL ); -# else /* DEVFS_26_STYLE */ - devfs_mk_cdev(MKDEV(_PTDRV_MAJOR, devCount), - (S_IFCHR | S_IRUGO | S_IWUGO | S_IFCHR), - "scanner/pt_drv%d", devCount); -# endif -#else -# ifdef LINUX_26 - sprintf(devname, "pt_drv%d", devCount); - CLASS_DEV_CREATE(ptdrv_class, - MKDEV(_PTDRV_MAJOR, devCount), NULL, - devname); - -# endif /* LINUX_26 */ -#endif /* CONFIG_DEVFS_FS */ - ProcFsRegisterDevice( PtDrvDevices[i] ); - devCount++; - } else { - retval = result; - ptdrvShutdown( PtDrvDevices[i] ); - PtDrvDevices[i] = NULL; - } - } - } - - /* * if something went wrong, shutdown all... */ - if( devCount == 0 ) { - -#if !defined (CONFIG_DEVFS_FS) && defined (LINUX_26) -out_devfs: - class_destroy(ptdrv_class); -#endif - -#if (defined(CONFIG_DEVFS_FS) && !defined(DEVFS_26_STYLE)) - devfs_unregister_chrdev( _PTDRV_MAJOR, _DRV_NAME ); -#else - unregister_chrdev( _PTDRV_MAJOR, _DRV_NAME ); -#endif - ProcFsShutdown(); - -#ifdef __KERNEL__ - _PRINT( KERN_INFO "pt_drv : no device(s) detected, (%i)\n", retval ); -#endif - - } else { - - DBG( DBG_HIGH, "pt_drv : init done, %u device(s) found\n", devCount ); - retval = _OK; - } - DBG( DBG_HIGH, "---------------------------------------------\n" ); - - deviceScanning = _FALSE; - return retval; -} - -/*............................................................................. - * cleanup the show - */ -#ifdef LINUX_26 -static void __exit ptdrv_exit( void ) -#else -void cleanup_module( void ) -#endif -{ - UInt i; - pScanData ps; -#if (defined(CONFIG_DEVFS_FS) && !defined(DEVFS_26_STYLE)) - char controlname[24]; - devfs_handle_t master; -#endif - - DBG( DBG_HIGH, "pt_drv: cleanup_module()\n" ); - - for ( i = 0; i < _MAX_PTDEVS; i++ ) { - - ps = PtDrvDevices[i]; - PtDrvDevices[i] = NULL; - - if ( NULL != ps ) { -#ifdef CONFIG_DEVFS_FS -# ifndef DEVFS_26_STYLE - sprintf( controlname, "scanner/pt_drv%d", i ); - master = devfs_find_handle( NULL,controlname, 0, 0, - DEVFS_SPECIAL_CHR, 0 ); - devfs_unregister( master ); -# else - devfs_remove("scanner/pt_drv%d", i); -# endif -#else -# ifdef LINUX_26 - CLASS_DEV_DESTROY(ptdrv_class, MKDEV(_PTDRV_MAJOR, i)); -# endif /* LINUX_26 */ -#endif /* CONFIG_DEVFS_FS */ - ptdrvShutdown( ps ); - ProcFsUnregisterDevice( ps ); - } - } - -#if (defined(CONFIG_DEVFS_FS) && !defined(DEVFS_26_STYLE)) - devfs_unregister_chrdev( _PTDRV_MAJOR, _DRV_NAME ); -#else - unregister_chrdev( _PTDRV_MAJOR, _DRV_NAME ); -#endif - ProcFsShutdown(); - -#if !defined (CONFIG_DEVFS_FS) && defined (LINUX_26) - class_destroy(ptdrv_class); -#endif - - DBG( DBG_HIGH, "pt_drv: cleanup done.\n" ); - DBG( DBG_HIGH, "*********************************************\n" ); -} - -#ifdef LINUX_26 -module_init(ptdrv_init); -module_exit(ptdrv_exit); -#endif - -#endif /*MODULE*/ - - -/*............................................................................. - * device open... - */ -static int pt_drv_open(struct inode *inode, struct file *file) -{ - pScanData ps; - - DBG( DBG_HIGH, "pt_drv_open()\n" ); - - ps = get_pt_from_inode(inode); - - if ( NULL == ps ) { - return(-ENXIO); - } - - /* device not found ? */ - if (!(ps->flags & _PTDRV_INITALIZED)) { - return(-ENXIO); - } - - /* device is busy ? */ - if (ps->flags & _PTDRV_OPEN) { - return(-EBUSY); - } - -#ifdef LINUX_26 - if (!try_module_get(THIS_MODULE)) - return -EAGAIN; -#else - MOD_INC_USE_COUNT; -#endif - ps->flags |= _PTDRV_OPEN; - - return _OK; -} - -/*............................................................................. - * device close... - */ -static CLOSETYPE pt_drv_close(struct inode * inode, struct file * file) -{ - pScanData ps; - - DBG( DBG_HIGH, "pt_drv_close()\n" ); - - if ((ps = get_pt_from_inode(inode)) ) { - - ptdrvClose( ps ); - - ps->flags &= ~_PTDRV_OPEN; -#ifdef LINUX_26 - module_put(THIS_MODULE); -#else - MOD_DEC_USE_COUNT; -#endif - CLOSERETURN(0); - } else { - - DBG( DBG_HIGH, "pt_drv: - close failed!\n" ); - CLOSERETURN(-ENXIO); - } -} - -/*............................................................................. - * read data from device - */ -#ifdef LINUX_20 -static int pt_drv_read(struct inode *inode, struct file *file, - char *buffer, int count) -{ - int result; - pScanData ps; - - if ( !(ps = get_pt_from_inode(inode))) - return(-ENXIO); -#else -static ssize_t pt_drv_read( struct file *file, - char *buffer, size_t count, loff_t *tmp ) -{ - int result; - pScanData ps; - - if ( !(ps = get_pt_from_inode(file->f_dentry->d_inode)) ) - return(-ENXIO); -#endif - if ((result = verify_area_20(VERIFY_WRITE, buffer, count))) - return result; - - /* - * as the driver contains some global vars, it is not - * possible to scan simultaenously with two or more devices - */ - if( _TRUE == deviceScanning ) { - printk( KERN_INFO "pt_drv: device %u busy!!!\n", ps->devno ); - return(-EBUSY); - } - - deviceScanning = _TRUE; - - result = ptdrvRead( ps, buffer, count ); - - deviceScanning = _FALSE; - return result; -} - -/*............................................................................. - * writing makes no sense - */ -#ifdef LINUX_20 -static int pt_drv_write(struct inode * inode, struct file * file, - const char * buffer, int count) -{ - return -EPERM; -} -#else - static ssize_t pt_drv_write( struct file * file,const char * buffer, - size_t tmp,loff_t* count) -{ - return -EPERM; -} -#endif - -/*............................................................................. - * the ioctl interface - */ -#ifdef NOLOCK_IOCTL -static long pt_drv_ioctl( struct file *file, UInt cmd, unsigned long arg ) -{ - pScanData ps; - - if ( !(ps = get_pt_from_inode(file->f_dentry->d_inode)) ) - return(-ENXIO); - - return ptdrvIoctl( ps, cmd, (pVoid)arg); -} -#else -static int pt_drv_ioctl( struct inode *inode, struct file *file, - UInt cmd, unsigned long arg ) -{ - pScanData ps; - - if ( !(ps = get_pt_from_inode(inode)) ) - return(-ENXIO); - - return ptdrvIoctl( ps, cmd, (pVoid)arg); -} -#endif - -#else /* the user-mode interface */ - /*............................................................................. * here we only have wrapper functions */ @@ -1980,6 +1279,4 @@ static int PtDrvRead ( pUChar buffer, int count ) return ptdrvRead( PtDrvDevices[0], buffer, count ); } -#endif /* guard __KERNEL__ */ - /* END PLUSTEK-PP_PTDRV.C ...................................................*/ |