/* Derived from Applicom driver ac.c for SCO Unix */ /* Ported by David Woodhouse, Axiom (Cambridge) Ltd. */ /* Dave@mvhi.com 30/8/98 */ /* $Id: ac.c,v 1.30 2000/03/22 16:03:57 dwmw2 Exp $ */ /* This module is for Linux 2.1 and 2.2 series kernels. */ /*****************************************************************************/ /* J PAGET 18/02/94 passage V2.4.2 ioctl avec code 2 reset to les interrupt */ /* ceci pour reseter correctement apres une sortie sauvage */ /* J PAGET 02/05/94 passage V2.4.3 dans le traitement de d'interruption, */ /* LoopCount n'etait pas initialise a 0. */ /* F LAFORSE 04/07/95 version V2.6.0 lecture bidon apres acces a une carte */ /* pour liberer le bus */ /* J.PAGET 19/11/95 version V2.6.1 Nombre, addresse,irq n'est plus configure */ /* et passe en argument a acinit, mais est scrute sur le bus pour s'adapter */ /* au nombre de cartes presentes sur le bus. IOCL code 6 affichait V2.4.3 */ /* F.LAFORSE 28/11/95 creation de fichiers acXX.o avec les differentes */ /* adresses de base des cartes, IOCTL 6 plus complet */ /* J.PAGET le 19/08/96 copie de la version V2.6 en V2.8.0 sans modification */ /* de code autre que le texte V2.6.1 en V2.8.0 */ /*****************************************************************************/ #include #include #include #include #include #include #include #include #include #include #include #include "applicom.h" #if LINUX_VERSION_CODE < 0x20300 /* These probably want adding to */ #define init_waitqueue_head(x) do { *(x) = NULL; } while (0); #define PCI_BASE_ADDRESS(dev) (dev->base_address[0]) #define DECLARE_WAIT_QUEUE_HEAD(x) struct wait_queue *x #define __setup(x,y) /* */ #else #define PCI_BASE_ADDRESS(dev) (dev->resource[0].start) #endif /* NOTE: We use for loops with {write,read}b() instead of memcpy_{from,to}io throughout this driver. This is because the board doesn't correctly handle word accesses - only bytes. */ #undef DEBUG #define MAX_BOARD 8 /* maximum of pc board possible */ #define MAX_ISA_BOARD 4 #define LEN_RAM_IO 0x800 #define AC_MINOR 157 #ifndef PCI_VENDOR_ID_APPLICOM #define PCI_VENDOR_ID_APPLICOM 0x1389 #define PCI_DEVICE_ID_APPLICOM_PCIGENERIC 0x0001 #define PCI_DEVICE_ID_APPLICOM_PCI2000IBS_CAN 0x0002 #define PCI_DEVICE_ID_APPLICOM_PCI2000PFB 0x0003 #define MAX_PCI_DEVICE_NUM 3 #endif static char *applicom_pci_devnames[] = { "PCI board", "PCI2000IBS / PCI2000CAN", "PCI2000PFB" }; MODULE_AUTHOR("David Woodhouse & Applicom International"); MODULE_DESCRIPTION("Driver for Applicom Profibus card"); MODULE_PARM(irq, "i"); MODULE_PARM_DESC(irq, "IRQ of the Applicom board"); MODULE_PARM(mem, "i"); MODULE_PARM_DESC(mem, "Shared Memory Address of Applicom board"); MODULE_SUPPORTED_DEVICE("ac"); struct applicom_board { unsigned long PhysIO; unsigned long RamIO; wait_queue_head_t FlagSleepSend; long irq; spinlock_t mutex; } apbs[MAX_BOARD]; static unsigned int irq = 0; /* interrupt number IRQ */ static unsigned long mem = 0; /* physical segment of board */ static unsigned int numboards; /* number of installed boards */ static volatile unsigned char Dummy; static DECLARE_WAIT_QUEUE_HEAD(FlagSleepRec); static unsigned int WriteErrorCount; /* number of write error */ static unsigned int ReadErrorCount; /* number of read error */ static unsigned int DeviceErrorCount; /* number of device error */ static loff_t ac_llseek(struct file *, loff_t, int); static int ac_open(struct inode *, struct file *); static ssize_t ac_read (struct file *, char *, size_t, loff_t *); static ssize_t ac_write (struct file *, const char *, size_t, loff_t *); static int ac_ioctl(struct inode *, struct file *, unsigned int, unsigned long); static int ac_release(struct inode *, struct file *); static void ac_interrupt(int, void *, struct pt_regs *); struct file_operations ac_fops = { llseek:ac_llseek, read:ac_read, write:ac_write, ioctl:ac_ioctl, open:ac_open, release:ac_release, }; struct miscdevice ac_miscdev = { AC_MINOR, "ac", &ac_fops }; int ac_register_board(unsigned long physloc, unsigned long loc, unsigned char boardno) { volatile unsigned char byte_reset_it; if((readb(loc + CONF_END_TEST) != 0x00) || (readb(loc + CONF_END_TEST + 1) != 0x55) || (readb(loc + CONF_END_TEST + 2) != 0xAA) || (readb(loc + CONF_END_TEST + 3) != 0xFF)) return 0; if (!boardno) boardno = readb(loc + NUMCARD_OWNER_TO_PC); if (!boardno && boardno > MAX_BOARD) { printk(KERN_WARNING "Board #%d (at 0x%lx) is out of range (1 <= x <= %d).\n", boardno, physloc, MAX_BOARD); return 0; } if (apbs[boardno - 1].RamIO) { printk(KERN_WARNING "Board #%d (at 0x%lx) conflicts with previous board #%d (at 0x%lx)\n", boardno, physloc, boardno, apbs[boardno-1].PhysIO); return 0; } boardno--; apbs[boardno].PhysIO = physloc; apbs[boardno].RamIO = loc; init_waitqueue_head(&apbs[boardno].FlagSleepSend); spin_lock_init(&apbs[boardno].mutex); byte_reset_it = readb(loc + RAM_IT_TO_PC); numboards++; return boardno + 1; } #ifdef MODULE #define applicom_init init_module void cleanup_module(void) { int i; misc_deregister(&ac_miscdev); for (i = 0; i < MAX_BOARD; i++) { if (!apbs[i].RamIO) continue; iounmap((void *) apbs[i].RamIO); if (apbs[i].irq) free_irq(apbs[i].irq, &ac_open); } } #endif /* MODULE */ int __init applicom_init(void) { int i, numisa = 0; struct pci_dev *dev = NULL; void *RamIO; int boardno; printk(KERN_INFO "Applicom driver: $Id: ac.c,v 1.30 2000/03/22 16:03:57 dwmw2 Exp $\n"); /* No mem and irq given - check for a PCI card */ while ( (dev = pci_find_class(PCI_CLASS_OTHERS << 16, dev))) { if (dev->vendor != PCI_VENDOR_ID_APPLICOM) continue; if (dev->device > MAX_PCI_DEVICE_NUM || dev->device == 0) continue; if (pci_enable_device(dev)) return -EIO; RamIO = ioremap(PCI_BASE_ADDRESS(dev), LEN_RAM_IO); if (!RamIO) { printk(KERN_INFO "ac.o: Failed to ioremap PCI memory space at 0x%lx\n", PCI_BASE_ADDRESS(dev)); return -EIO; } printk(KERN_INFO "Applicom %s found at mem 0x%lx, irq %d\n", applicom_pci_devnames[dev->device-1], PCI_BASE_ADDRESS(dev), dev->irq); if (!(boardno = ac_register_board(PCI_BASE_ADDRESS(dev), (unsigned long)RamIO,0))) { printk(KERN_INFO "ac.o: PCI Applicom device doesn't have correct signature.\n"); iounmap(RamIO); continue; } if (request_irq(dev->irq, &ac_interrupt, SA_SHIRQ, "Applicom PCI", &ac_open)) { printk(KERN_INFO "Could not allocate IRQ %d for PCI Applicom device.\n", dev->irq); iounmap(RamIO); apbs[boardno - 1].RamIO = 0; continue; } /* Enable interrupts. */ writeb(0x40, apbs[boardno - 1].RamIO + RAM_IT_FROM_PC); apbs[boardno - 1].irq = dev->irq; } /* Finished with PCI cards. If none registered, * and there was no mem/irq specified, exit */ if (!mem || !irq) { if (numboards) goto fin; else { printk(KERN_INFO "ac.o: No PCI boards found.\n"); printk(KERN_INFO "ac.o: For an ISA board you must supply memory and irq parameters.\n"); return -ENXIO; } } /* Now try the specified ISA cards */ RamIO = ioremap(mem, LEN_RAM_IO * MAX_ISA_BOARD); if (!RamIO) printk(KERN_INFO "ac.o: Failed to ioremap ISA memory space at 0x%lx\n", mem); for (i = 0; i < MAX_ISA_BOARD; i++) { RamIO = ioremap(mem + (LEN_RAM_IO * i), LEN_RAM_IO); if (!RamIO) { printk(KERN_INFO "ac.o: Failed to ioremap the ISA card's memory space (slot #%d)\n", i + 1); continue; } if (!(boardno = ac_register_board((unsigned long)mem+ (LEN_RAM_IO*i), (unsigned long)RamIO,i+1))) { iounmap(RamIO); continue; } printk(KERN_NOTICE "Applicom ISA card found at mem 0x%lx, irq %d\n", mem + (LEN_RAM_IO*i), irq); if (!numisa) { if (request_irq(irq, &ac_interrupt, SA_SHIRQ, "Applicom ISA", &ac_open)) { printk(KERN_WARNING "Could not allocate IRQ %d for ISA Applicom device.\n", irq); iounmap((void *) RamIO); apbs[boardno - 1].RamIO = 0; } apbs[boardno - 1].irq = irq; } else apbs[boardno - 1].irq = 0; numisa++; } if (!numisa) printk(KERN_WARNING"ac.o: No valid ISA Applicom boards found at mem 0x%lx\n",mem); fin: init_waitqueue_head(&FlagSleepRec); WriteErrorCount = 0; ReadErrorCount = 0; DeviceErrorCount = 0; if (numboards) { misc_register(&ac_miscdev); for (i = 0; i < MAX_BOARD; i++) { int serial; char boardname[(SERIAL_NUMBER - TYPE_CARD) + 1]; if (!apbs[i].RamIO) continue; for (serial = 0; serial < SERIAL_NUMBER - TYPE_CARD; serial++) boardname[serial] = readb(apbs[i].RamIO + TYPE_CARD + serial); boardname[serial] = 0; printk(KERN_INFO "Applicom board %d: %s, PROM V%d.%d", i+1, boardname, (int)(readb(apbs[i].RamIO + VERS) >> 4), (int)(readb(apbs[i].RamIO + VERS) & 0xF)); serial = (readb(apbs[i].RamIO + SERIAL_NUMBER) << 16) + (readb(apbs[i].RamIO + SERIAL_NUMBER + 1) << 8) + (readb(apbs[i].RamIO + SERIAL_NUMBER + 2) ); if (serial != 0) printk(" S/N %d\n", serial); else printk("\n"); } return 0; } else return -ENXIO; } #ifndef MODULE __initcall(applicom_init); #endif static loff_t ac_llseek(struct file *file, loff_t offset, int origin) { return -ESPIPE; } static int ac_open(struct inode *inode, struct file *filp) { MOD_INC_USE_COUNT; return 0; } static int ac_release(struct inode *inode, struct file *file) { MOD_DEC_USE_COUNT; return 0; } static ssize_t ac_write(struct file *file, const char *buf, size_t count, loff_t * ppos) { unsigned int NumCard; /* Board number 1 -> 8 */ unsigned int IndexCard; /* Index board number 0 -> 7 */ unsigned char TicCard; /* Board TIC to send */ unsigned long flags; /* Current priority */ struct st_ram_io st_loc; struct mailbox tmpmailbox; #ifdef DEBUG int c; #endif DECLARE_WAITQUEUE(wait, current); if (count != sizeof(struct st_ram_io) + sizeof(struct mailbox)) { static int warncount = 5; if (warncount) { printk(KERN_INFO "Hmmm. write() of Applicom card, length %d != expected %d\n", count, sizeof(struct st_ram_io) + sizeof(struct mailbox)); warncount--; } return -EINVAL; } if(copy_from_user(&st_loc, buf, sizeof(struct st_ram_io))) return -EFAULT; if(copy_from_user(&tmpmailbox, &buf[sizeof(struct st_ram_io)], sizeof(struct mailbox))) return -EFAULT; NumCard = st_loc.num_card; /* board number to send */ TicCard = st_loc.tic_des_from_pc; /* tic number to send */ IndexCard = NumCard - 1; if((NumCard < 1) || (NumCard > MAX_BOARD) || !apbs[IndexCard].RamIO) return -EINVAL; #ifdef DEBUG printk("Write to applicom card #%d. struct st_ram_io follows:", IndexCard+1); for (c = 0; c < sizeof(struct st_ram_io);) { printk("\n%5.5X: %2.2X", c, ((unsigned char *) &st_loc)[c]); for (c++; c % 8 && c < sizeof(struct st_ram_io); c++) { printk(" %2.2X", ((unsigned char *) &st_loc)[c]); } } printk("\nstruct mailbox follows:"); for (c = 0; c < sizeof(struct mailbox);) { printk("\n%5.5X: %2.2X", c, ((unsigned char *) &tmpmailbox)[c]); for (c++; c % 8 && c < sizeof(struct mailbox); c++) { printk(" %2.2X", ((unsigned char *) &tmpmailbox)[c]); } } printk("\n"); #endif spin_lock_irqsave(&apbs[IndexCard].mutex, flags); /* Test octet ready correct */ if(readb(apbs[IndexCard].RamIO + DATA_FROM_PC_READY) > 2) { Dummy = readb(apbs[IndexCard].RamIO + VERS); spin_unlock_irqrestore(&apbs[IndexCard].mutex, flags); printk(KERN_WARNING "APPLICOM driver write error board %d, DataFromPcReady = %d\n", IndexCard,(int)readb(apbs[IndexCard].RamIO + DATA_FROM_PC_READY)); DeviceErrorCount++; return -EIO; } /* Place ourselves on the wait queue */ current->state = TASK_INTERRUPTIBLE; add_wait_queue(&apbs[IndexCard].FlagSleepSend, &wait); /* Check whether the card is ready for us */ while (readb(apbs[IndexCard].RamIO + DATA_FROM_PC_READY) != 0) { Dummy = readb(apbs[IndexCard].RamIO + VERS); /* It's busy. Sleep. */ spin_unlock_irqrestore(&apbs[IndexCard].mutex, flags); schedule(); if (signal_pending(current)) { remove_wait_queue(&apbs[IndexCard].FlagSleepSend, &wait); return -EINTR; } spin_lock_irqsave(&apbs[IndexCard].mutex, flags); } /* We may not have actually slept */ current->state = TASK_RUNNING; remove_wait_queue(&apbs[IndexCard].FlagSleepSend, &wait); writeb(1, apbs[IndexCard].RamIO + DATA_FROM_PC_READY); /* Which is best - lock down the pages with rawio and then copy directly, or use bounce buffers? For now we do the latter because it works with 2.2 still */ { unsigned char *from = (unsigned char *) &tmpmailbox; unsigned long to = (unsigned long) apbs[IndexCard].RamIO + RAM_FROM_PC; int c; for (c = 0; c < sizeof(struct mailbox); c++) writeb(*(from++), to++); } writeb(0x20, apbs[IndexCard].RamIO + TIC_OWNER_FROM_PC); writeb(0xff, apbs[IndexCard].RamIO + NUMCARD_OWNER_FROM_PC); writeb(TicCard, apbs[IndexCard].RamIO + TIC_DES_FROM_PC); writeb(NumCard, apbs[IndexCard].RamIO + NUMCARD_DES_FROM_PC); writeb(2, apbs[IndexCard].RamIO + DATA_FROM_PC_READY); writeb(1, apbs[IndexCard].RamIO + RAM_IT_FROM_PC); Dummy = readb(apbs[IndexCard].RamIO + VERS); spin_unlock_irqrestore(&apbs[IndexCard].mutex, flags); return 0; } static int do_ac_read(int IndexCard, char *buf) { struct st_ram_io st_loc; struct mailbox tmpmailbox; /* bounce buffer - can't copy to user space with cli() */ unsigned long from = (unsigned long)apbs[IndexCard].RamIO + RAM_TO_PC; unsigned char *to = (unsigned char *)&tmpmailbox; #ifdef DEBUG int c; #endif st_loc.tic_owner_to_pc = readb(apbs[IndexCard].RamIO + TIC_OWNER_TO_PC); st_loc.numcard_owner_to_pc = readb(apbs[IndexCard].RamIO + NUMCARD_OWNER_TO_PC); { int c; for (c = 0; c < sizeof(struct mailbox); c++) *(to++) = readb(from++); } writeb(1, apbs[IndexCard].RamIO + ACK_FROM_PC_READY); writeb(1, apbs[IndexCard].RamIO + TYP_ACK_FROM_PC); writeb(IndexCard+1, apbs[IndexCard].RamIO + NUMCARD_ACK_FROM_PC); writeb(readb(apbs[IndexCard].RamIO + TIC_OWNER_TO_PC), apbs[IndexCard].RamIO + TIC_ACK_FROM_PC); writeb(2, apbs[IndexCard].RamIO + ACK_FROM_PC_READY); writeb(0, apbs[IndexCard].RamIO + DATA_TO_PC_READY); writeb(2, apbs[IndexCard].RamIO + RAM_IT_FROM_PC); Dummy = readb(apbs[IndexCard].RamIO + VERS); #ifdef DEBUG printk("Read from applicom card #%d. struct st_ram_io follows:", NumCard); for (c = 0; c < sizeof(struct st_ram_io);) { printk("\n%5.5X: %2.2X", c, ((unsigned char *) &st_loc)[c]); for (c++; c % 8 && c < sizeof(struct st_ram_io); c++) { printk(" %2.2X", ((unsigned char *) &st_loc)[c]); } } printk("\nstruct mailbox follows:"); for (c = 0; c < sizeof(struct mailbox);) { printk("\n%5.5X: %2.2X", c, ((unsigned char *) &tmpmailbox)[c]); for (c++; c % 8 && c < sizeof(struct mailbox); c++) { printk(" %2.2X", ((unsigned char *) &tmpmailbox)[c]); } } printk("\n"); #endif /* Je suis stupide. DW. */ if (copy_to_user(buf, &st_loc, sizeof(struct st_ram_io))) return -EFAULT; if (copy_to_user(&buf[sizeof(struct st_ram_io)], &tmpmailbox, sizeof(struct mailbox))) return -EFAULT; return (sizeof(struct st_ram_io) + sizeof(struct mailbox)); } static ssize_t ac_read (struct file *filp, char *buf, size_t count, loff_t *ptr) { unsigned long flags; unsigned int i; unsigned char tmp; int ret = 0; DECLARE_WAITQUEUE(wait, current); #ifdef DEBUG int loopcount=0; #endif /* No need to ratelimit this. Only root can trigger it anyway */ if (count != sizeof(struct st_ram_io) + sizeof(struct mailbox)) { printk( KERN_WARNING "Hmmm. read() of Applicom card, length %d != expected %d\n", count,sizeof(struct st_ram_io) + sizeof(struct mailbox)); return -EINVAL; } while(1) { /* Stick ourself on the wait queue */ current->state = TASK_INTERRUPTIBLE; add_wait_queue(&FlagSleepRec, &wait); /* Scan each board, looking for one which has a packet for us */ for (i=0; i < MAX_BOARD; i++) { if (!apbs[i].RamIO) continue; spin_lock_irqsave(&apbs[i].mutex, flags); tmp = readb(apbs[i].RamIO + DATA_TO_PC_READY); if (tmp == 2) { /* Got a packet for us */ ret = do_ac_read(i, buf); spin_unlock_irqrestore(&apbs[i].mutex, flags); current->state = TASK_RUNNING; remove_wait_queue(&FlagSleepRec, &wait); return tmp; } if (tmp > 2) { /* Got an error */ Dummy = readb(apbs[i].RamIO + VERS); spin_unlock_irqrestore(&apbs[i].mutex, flags); current->state = TASK_RUNNING; remove_wait_queue(&FlagSleepRec, &wait); printk(KERN_WARNING "APPLICOM driver read error board %d, DataToPcReady = %d\n", i,(int)readb(apbs[i].RamIO + DATA_TO_PC_READY)); DeviceErrorCount++; return -EIO; } /* Nothing for us. Try the next board */ Dummy = readb(apbs[i].RamIO + VERS); spin_unlock_irqrestore(&apbs[i].mutex, flags); } /* per board */ /* OK - No boards had data for us. Sleep now */ schedule(); remove_wait_queue(&FlagSleepRec, &wait); if (signal_pending(current)) return -EINTR; #ifdef DEBUG if (loopcount++ > 2) { printk("Looping in ac_read. loopcount %d\n", loopcount); } #endif } } static void ac_interrupt(int vec, void *dev_instance, struct pt_regs *regs) { unsigned int i; unsigned int FlagInt; unsigned int LoopCount; // printk("Applicom interrupt on IRQ %d occurred\n", vec); LoopCount = 0; do { FlagInt = 0; for (i = 0; i < MAX_BOARD; i++) { /* Skip if this board doesn't exist */ if (!apbs[i].RamIO) continue; spin_lock(&apbs[i].mutex); /* Skip if this board doesn't want attention */ if(readb(apbs[i].RamIO + RAM_IT_TO_PC) == 0) { spin_unlock(&apbs[i].mutex); continue; } FlagInt = 1; writeb(0, apbs[i].RamIO + RAM_IT_TO_PC); if (readb(apbs[i].RamIO + DATA_TO_PC_READY) > 2) { printk(KERN_WARNING "APPLICOM driver interrupt err board %d, DataToPcReady = %d\n", i+1,(int)readb(apbs[i].RamIO + DATA_TO_PC_READY)); DeviceErrorCount++; } if((readb(apbs[i].RamIO + DATA_FROM_PC_READY) > 2) && (readb(apbs[i].RamIO + DATA_FROM_PC_READY) != 6)) { printk(KERN_WARNING "APPLICOM driver interrupt err board %d, DataFromPcReady = %d\n", i+1,(int)readb(apbs[i].RamIO + DATA_FROM_PC_READY)); DeviceErrorCount++; } if (readb(apbs[i].RamIO + DATA_TO_PC_READY) == 2) { /* mailbox sent by the card ? */ if (waitqueue_active(&FlagSleepRec)) { wake_up_interruptible(&FlagSleepRec); } } if (readb(apbs[i].RamIO + DATA_FROM_PC_READY) == 0) { /* ram i/o free for write by pc ? */ if (waitqueue_active(&apbs[i].FlagSleepSend)) { /* process sleep during read ? */ wake_up_interruptible(&apbs[i].FlagSleepSend); } } Dummy = readb(apbs[i].RamIO + VERS); if(readb(apbs[i].RamIO + RAM_IT_TO_PC)) { /* There's another int waiting on this card */ spin_unlock(&apbs[i].mutex); i--; } else { spin_unlock(&apbs[i].mutex); } } if (FlagInt) LoopCount = 0; else LoopCount++; } while(LoopCount < 2); } static int ac_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { /* @ ADG ou ATO selon le cas */ int i; unsigned char IndexCard; unsigned long pmem; int ret = 0; volatile unsigned char byte_reset_it; struct st_ram_io *adgl; /* In general, the device is only openable by root anyway, so we're not particularly concerned that bogus ioctls can flood the console. */ adgl = kmalloc(sizeof(struct st_ram_io), GFP_KERNEL); if (!adgl) return -ENOMEM; if (copy_from_user(adgl, (void *)arg,sizeof(struct st_ram_io))) { kfree(adgl); return -EFAULT; } IndexCard = adgl->num_card-1; if(cmd != 0 && cmd != 6 && ((IndexCard >= MAX_BOARD) || !apbs[IndexCard].RamIO)) { static int warncount = 10; if (warncount) { printk( KERN_WARNING "APPLICOM driver IOCTL, bad board number %d\n",(int)IndexCard+1); warncount--; } kfree(adgl); return -EINVAL; } switch (cmd) { case 0: pmem = apbs[IndexCard].RamIO; for (i = 0; i < sizeof(struct st_ram_io); i++) ((unsigned char *)adgl)[i]=readb(pmem++); if (copy_to_user((void *)arg, adgl, sizeof(struct st_ram_io))) ret = -EFAULT; break; case 1: pmem = apbs[IndexCard].RamIO + CONF_END_TEST; for (i = 0; i < 4; i++) adgl->conf_end_test[i] = readb(pmem++); for (i = 0; i < 2; i++) adgl->error_code[i] = readb(pmem++); for (i = 0; i < 4; i++) adgl->parameter_error[i] = readb(pmem++); pmem = apbs[IndexCard].RamIO + VERS; adgl->vers = readb(pmem); pmem = apbs[IndexCard].RamIO + TYPE_CARD; for (i = 0; i < 20; i++) adgl->reserv1[i] = readb(pmem++); *(int *)&adgl->reserv1[20] = (readb(apbs[IndexCard].RamIO + SERIAL_NUMBER) << 16) + (readb(apbs[IndexCard].RamIO + SERIAL_NUMBER + 1) << 8) + (readb(apbs[IndexCard].RamIO + SERIAL_NUMBER + 2) ); if (copy_to_user((void *)arg, adgl, sizeof(struct st_ram_io))) ret = -EFAULT; break; case 2: pmem = apbs[IndexCard].RamIO + CONF_END_TEST; for (i = 0; i < 10; i++) writeb(0xff, pmem++); writeb(adgl->data_from_pc_ready, apbs[IndexCard].RamIO + DATA_FROM_PC_READY); writeb(1, apbs[IndexCard].RamIO + RAM_IT_FROM_PC); for (i = 0; i < MAX_BOARD; i++) { if (apbs[i].RamIO) { byte_reset_it = readb(apbs[i].RamIO + RAM_IT_TO_PC); } } break; case 3: pmem = apbs[IndexCard].RamIO + TIC_DES_FROM_PC; writeb(adgl->tic_des_from_pc, pmem); break; case 4: pmem = apbs[IndexCard].RamIO + TIC_OWNER_TO_PC; adgl->tic_owner_to_pc = readb(pmem++); adgl->numcard_owner_to_pc = readb(pmem); if (copy_to_user((void *)arg, adgl,sizeof(struct st_ram_io))) ret = -EFAULT; break; case 5: writeb(adgl->num_card, apbs[IndexCard].RamIO + NUMCARD_OWNER_TO_PC); writeb(adgl->num_card, apbs[IndexCard].RamIO + NUMCARD_DES_FROM_PC); writeb(adgl->num_card, apbs[IndexCard].RamIO + NUMCARD_ACK_FROM_PC); writeb(4, apbs[IndexCard].RamIO + DATA_FROM_PC_READY); writeb(1, apbs[IndexCard].RamIO + RAM_IT_FROM_PC); break; case 6: printk(KERN_INFO "APPLICOM driver release .... V2.8.0 ($Revision: 1.30 $)\n"); printk(KERN_INFO "Number of installed boards . %d\n", (int) numboards); printk(KERN_INFO "Segment of board ........... %X\n", (int) mem); printk(KERN_INFO "Interrupt IRQ number ....... %d\n", (int) irq); for (i = 0; i < MAX_BOARD; i++) { int serial; char boardname[(SERIAL_NUMBER - TYPE_CARD) + 1]; if (!apbs[i].RamIO) continue; for (serial = 0; serial < SERIAL_NUMBER - TYPE_CARD; serial++) boardname[serial] = readb(apbs[i].RamIO + TYPE_CARD + serial); boardname[serial] = 0; printk(KERN_INFO "Prom version board %d ....... V%d.%d %s", i+1, (int)(readb(apbs[IndexCard].RamIO + VERS) >> 4), (int)(readb(apbs[IndexCard].RamIO + VERS) & 0xF), boardname); serial = (readb(apbs[i].RamIO + SERIAL_NUMBER) << 16) + (readb(apbs[i].RamIO + SERIAL_NUMBER + 1) << 8) + (readb(apbs[i].RamIO + SERIAL_NUMBER + 2) ); if (serial != 0) printk(" S/N %d\n", serial); else printk("\n"); } if (DeviceErrorCount != 0) printk(KERN_INFO "DeviceErrorCount ........... %d\n", DeviceErrorCount); if (ReadErrorCount != 0) printk(KERN_INFO "ReadErrorCount ............. %d\n", ReadErrorCount); if (WriteErrorCount != 0) printk(KERN_INFO "WriteErrorCount ............ %d\n", WriteErrorCount); if (waitqueue_active(&FlagSleepRec)) printk(KERN_INFO "Process in read pending\n"); for (i = 0; i < MAX_BOARD; i++) { if (apbs[i].RamIO && waitqueue_active(&apbs[i].FlagSleepSend)) printk(KERN_INFO "Process in write pending board %d\n",i+1); } break; default: printk(KERN_INFO "APPLICOM driver ioctl, unknown function code %d\n",cmd) ; ret = -EINVAL; break; } Dummy = readb(apbs[IndexCard].RamIO + VERS); kfree(adgl); return 0; } #ifndef MODULE static int __init applicom_setup(char *str) { int ints[4]; (void) get_options(str, 4, ints); if (ints[0] > 2) { printk(KERN_WARNING "Too many arguments to 'applicom=', expected mem,irq only.\n"); } if (ints[0] < 2) { printk(KERN_INFO"applicom numargs: %d\n", ints[0]); return 0; } mem = ints[1]; irq = ints[2]; return 1; } __setup("applicom=", applicom_setup); #endif /* MODULE */