diff --git a/Documentation/admin-guide/devices.txt b/Documentation/admin-guide/devices.txt index 440633642fea..f544399675fa 100644 --- a/Documentation/admin-guide/devices.txt +++ b/Documentation/admin-guide/devices.txt @@ -291,7 +291,6 @@ 154 = /dev/pmu Macintosh PowerBook power manager 155 = 156 = /dev/lcd Front panel LCD display - 157 = /dev/ac Applicom Intl Profibus card 158 = /dev/nwbutton Netwinder external button 159 = /dev/nwdebug Netwinder debug interface 160 = /dev/nwflash Netwinder flash memory diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 3063b337907b..9865227af167 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -209,21 +209,6 @@ config XILINX_HWICAP If unsure, say N. -config APPLICOM - tristate "Applicom intelligent fieldbus card support" - depends on PCI - help - This driver provides the kernel-side support for the intelligent - fieldbus cards made by Applicom International. More information - about these cards can be found on the WWW at the address - , or by email from David Woodhouse - . - - To compile this driver as a module, choose M here: the - module will be called applicom. - - If unsure, say N. - config SONYPI tristate "Sony Vaio Programmable I/O Control Device support" depends on X86_32 && PCI && INPUT && HAS_IOPORT diff --git a/drivers/char/Makefile b/drivers/char/Makefile index c9060054ddbc..a46d7bf7c4c8 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -16,7 +16,6 @@ obj-$(CONFIG_PRINTER) += lp.o obj-$(CONFIG_APM_EMULATION) += apm-emulation.o -obj-$(CONFIG_APPLICOM) += applicom.o obj-$(CONFIG_SONYPI) += sonypi.o obj-$(CONFIG_HPET) += hpet.o obj-$(CONFIG_XILINX_HWICAP) += xilinx_hwicap/ diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c deleted file mode 100644 index c138c468f3a4..000000000000 --- a/drivers/char/applicom.c +++ /dev/null @@ -1,857 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* Derived from Applicom driver ac.c for SCO Unix */ -/* Ported by David Woodhouse, Axiom (Cambridge) Ltd. */ -/* dwmw2@infradead.org 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 */ -/* addresses 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 -#include - -#include -#include - -#include "applicom.h" - - -/* 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 - -#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 -#endif - -static DEFINE_MUTEX(ac_mutex); -static char *applicom_pci_devnames[] = { - "PCI board", - "PCI2000IBS / PCI2000CAN", - "PCI2000PFB" -}; - -static const struct pci_device_id applicom_pci_tbl[] = { - { PCI_VDEVICE(APPLICOM, PCI_DEVICE_ID_APPLICOM_PCIGENERIC) }, - { PCI_VDEVICE(APPLICOM, PCI_DEVICE_ID_APPLICOM_PCI2000IBS_CAN) }, - { PCI_VDEVICE(APPLICOM, PCI_DEVICE_ID_APPLICOM_PCI2000PFB) }, - { 0 } -}; -MODULE_DEVICE_TABLE(pci, applicom_pci_tbl); - -MODULE_AUTHOR("David Woodhouse & Applicom International"); -MODULE_DESCRIPTION("Driver for Applicom Profibus card"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS_MISCDEV(AC_MINOR); - -static struct applicom_board { - unsigned long PhysIO; - void __iomem *RamIO; - wait_queue_head_t FlagSleepSend; - long irq; - spinlock_t mutex; -} apbs[MAX_BOARD]; - -static unsigned int irq; /* interrupt number IRQ */ -static unsigned long mem; /* physical segment of board */ - -module_param_hw(irq, uint, irq, 0); -MODULE_PARM_DESC(irq, "IRQ of the Applicom board"); -module_param_hw(mem, ulong, iomem, 0); -MODULE_PARM_DESC(mem, "Shared Memory Address of Applicom 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 ssize_t ac_read (struct file *, char __user *, size_t, loff_t *); -static ssize_t ac_write (struct file *, const char __user *, size_t, loff_t *); -static long ac_ioctl(struct file *, unsigned int, unsigned long); -static irqreturn_t ac_interrupt(int, void *); - -static const struct file_operations ac_fops = { - .owner = THIS_MODULE, - .read = ac_read, - .write = ac_write, - .unlocked_ioctl = ac_ioctl, -}; - -static struct miscdevice ac_miscdev = { - AC_MINOR, - "ac", - &ac_fops -}; - -static int dummy; /* dev_id for request_irq() */ - -static int ac_register_board(unsigned long physloc, void __iomem *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; -} - -static void __exit applicom_exit(void) -{ - unsigned int i; - - misc_deregister(&ac_miscdev); - - for (i = 0; i < MAX_BOARD; i++) { - - if (!apbs[i].RamIO) - continue; - - if (apbs[i].irq) - free_irq(apbs[i].irq, &dummy); - - iounmap(apbs[i].RamIO); - } -} - -static int __init applicom_init(void) -{ - int i, numisa = 0; - struct pci_dev *dev = NULL; - void __iomem *RamIO; - int boardno, ret; - - 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_get_class(PCI_CLASS_OTHERS << 16, dev))) { - - if (!pci_match_id(applicom_pci_tbl, dev)) - continue; - - if (pci_enable_device(dev)) { - pci_dev_put(dev); - return -EIO; - } - - RamIO = ioremap(pci_resource_start(dev, 0), LEN_RAM_IO); - - if (!RamIO) { - printk(KERN_INFO "ac.o: Failed to ioremap PCI memory " - "space at 0x%llx\n", - (unsigned long long)pci_resource_start(dev, 0)); - pci_disable_device(dev); - pci_dev_put(dev); - return -EIO; - } - - printk(KERN_INFO "Applicom %s found at mem 0x%llx, irq %d\n", - applicom_pci_devnames[dev->device-1], - (unsigned long long)pci_resource_start(dev, 0), - dev->irq); - - boardno = ac_register_board(pci_resource_start(dev, 0), - RamIO, 0); - if (!boardno) { - printk(KERN_INFO "ac.o: PCI Applicom device doesn't have correct signature.\n"); - iounmap(RamIO); - pci_disable_device(dev); - continue; - } - - if (request_irq(dev->irq, &ac_interrupt, IRQF_SHARED, "Applicom PCI", &dummy)) { - printk(KERN_INFO "Could not allocate IRQ %d for PCI Applicom device.\n", dev->irq); - iounmap(RamIO); - pci_disable_device(dev); - apbs[boardno - 1].RamIO = NULL; - 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 */ - - 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), - 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, IRQF_SHARED, "Applicom ISA", &dummy)) { - printk(KERN_WARNING "Could not allocate IRQ %d for ISA Applicom device.\n", irq); - iounmap(RamIO); - apbs[boardno - 1].RamIO = NULL; - } - else - 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) { - ret = misc_register(&ac_miscdev); - if (ret) { - printk(KERN_WARNING "ac.o: Unable to register misc device\n"); - goto out; - } - 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; - -out: - for (i = 0; i < MAX_BOARD; i++) { - if (!apbs[i].RamIO) - continue; - if (apbs[i].irq) - free_irq(apbs[i].irq, &dummy); - iounmap(apbs[i].RamIO); - } - return ret; -} - -module_init(applicom_init); -module_exit(applicom_exit); - - -static ssize_t ac_write(struct file *file, const char __user *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 %zd != expected %zd\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 (IndexCard >= MAX_BOARD) - return -EINVAL; - IndexCard = array_index_nospec(IndexCard, MAX_BOARD); - - if (!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 */ - set_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); - set_current_state(TASK_INTERRUPTIBLE); - } - - /* We may not have actually slept */ - set_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; - void __iomem *to = 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 __user *buf, - struct st_ram_io *st_loc, struct mailbox *mailbox) -{ - void __iomem *from = apbs[IndexCard].RamIO + RAM_TO_PC; - unsigned char *to = (unsigned char *)mailbox; -#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 *)mailbox)[c]); - - for (c++; c % 8 && c < sizeof(struct mailbox); c++) { - printk(" %2.2X", ((unsigned char *)mailbox)[c]); - } - } - printk("\n"); -#endif - return (sizeof(struct st_ram_io) + sizeof(struct mailbox)); -} - -static ssize_t ac_read (struct file *filp, char __user *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 %zd != expected %zd\n", - count,sizeof(struct st_ram_io) + sizeof(struct mailbox)); - return -EINVAL; - } - - while(1) { - /* Stick ourself on the wait queue */ - set_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) { - struct st_ram_io st_loc; - struct mailbox mailbox; - - /* Got a packet for us */ - memset(&st_loc, 0, sizeof(st_loc)); - ret = do_ac_read(i, buf, &st_loc, &mailbox); - spin_unlock_irqrestore(&apbs[i].mutex, flags); - set_current_state(TASK_RUNNING); - remove_wait_queue(&FlagSleepRec, &wait); - - if (copy_to_user(buf, &st_loc, sizeof(st_loc))) - return -EFAULT; - if (copy_to_user(buf + sizeof(st_loc), &mailbox, sizeof(mailbox))) - return -EFAULT; - return tmp; - } - - if (tmp > 2) { - /* Got an error */ - Dummy = readb(apbs[i].RamIO + VERS); - - spin_unlock_irqrestore(&apbs[i].mutex, flags); - set_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(KERN_DEBUG "Looping in ac_read. loopcount %d\n", loopcount); - } -#endif - } -} - -static irqreturn_t ac_interrupt(int vec, void *dev_instance) -{ - unsigned int i; - unsigned int FlagInt; - unsigned int LoopCount; - int handled = 0; - - // 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; - } - - handled = 1; - 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); - return IRQ_RETVAL(handled); -} - - - -static long ac_ioctl(struct file *file, unsigned int cmd, unsigned long arg) - -{ /* @ ADG ou ATO selon le cas */ - int i; - unsigned char IndexCard; - void __iomem *pmem; - int ret = 0; - static int warncount = 10; - volatile unsigned char byte_reset_it; - struct st_ram_io *adgl; - void __user *argp = (void __user *)arg; - - /* In general, the device is only openable by root anyway, so we're not - particularly concerned that bogus ioctls can flood the console. */ - - adgl = memdup_user(argp, sizeof(struct st_ram_io)); - if (IS_ERR(adgl)) - return PTR_ERR(adgl); - - mutex_lock(&ac_mutex); - IndexCard = adgl->num_card-1; - - if (cmd != 6 && IndexCard >= MAX_BOARD) - goto err; - IndexCard = array_index_nospec(IndexCard, MAX_BOARD); - - if (cmd != 6 && !apbs[IndexCard].RamIO) - goto err; - - 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(argp, 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(argp, 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(argp, 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[i].RamIO + VERS) >> 4), - (int)(readb(apbs[i].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: - ret = -ENOTTY; - break; - } - - if (cmd != 6) - Dummy = readb(apbs[IndexCard].RamIO + VERS); - - kfree(adgl); - mutex_unlock(&ac_mutex); - return ret; - -err: - if (warncount) { - pr_warn("APPLICOM driver IOCTL, bad board number %d\n", - (int)IndexCard + 1); - warncount--; - } - kfree(adgl); - mutex_unlock(&ac_mutex); - return -EINVAL; - -} - diff --git a/drivers/char/applicom.h b/drivers/char/applicom.h deleted file mode 100644 index 282e08f159d5..000000000000 --- a/drivers/char/applicom.h +++ /dev/null @@ -1,86 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* $Id: applicom.h,v 1.2 1999/08/28 15:09:49 dwmw2 Exp $ */ - - -#ifndef __LINUX_APPLICOM_H__ -#define __LINUX_APPLICOM_H__ - - -#define DATA_TO_PC_READY 0x00 -#define TIC_OWNER_TO_PC 0x01 -#define NUMCARD_OWNER_TO_PC 0x02 -#define TIC_DES_TO_PC 0x03 -#define NUMCARD_DES_TO_PC 0x04 -#define DATA_FROM_PC_READY 0x05 -#define TIC_OWNER_FROM_PC 0x06 -#define NUMCARD_OWNER_FROM_PC 0x07 -#define TIC_DES_FROM_PC 0x08 -#define NUMCARD_DES_FROM_PC 0x09 -#define ACK_FROM_PC_READY 0x0E -#define TIC_ACK_FROM_PC 0x0F -#define NUMCARD_ACK_FROM_PC 0x010 -#define TYP_ACK_FROM_PC 0x011 -#define CONF_END_TEST 0x012 -#define ERROR_CODE 0x016 -#define PARAMETER_ERROR 0x018 -#define VERS 0x01E -#define RAM_TO_PC 0x040 -#define RAM_FROM_PC 0x0170 -#define TYPE_CARD 0x03C0 -#define SERIAL_NUMBER 0x03DA -#define RAM_IT_FROM_PC 0x03FE -#define RAM_IT_TO_PC 0x03FF - -struct mailbox{ - u16 stjb_codef; /* offset 00 */ - s16 stjb_status; /* offset 02 */ - u16 stjb_ticuser_root; /* offset 04 */ - u8 stjb_piduser[4]; /* offset 06 */ - u16 stjb_mode; /* offset 0A */ - u16 stjb_time; /* offset 0C */ - u16 stjb_stop; /* offset 0E */ - u16 stjb_nfonc; /* offset 10 */ - u16 stjb_ncard; /* offset 12 */ - u16 stjb_nchan; /* offset 14 */ - u16 stjb_nes; /* offset 16 */ - u16 stjb_nb; /* offset 18 */ - u16 stjb_typvar; /* offset 1A */ - u32 stjb_adr; /* offset 1C */ - u16 stjb_ticuser_dispcyc; /* offset 20 */ - u16 stjb_ticuser_protocol; /* offset 22 */ - u8 stjb_filler[12]; /* offset 24 */ - u8 stjb_data[256]; /* offset 30 */ - }; - -struct st_ram_io -{ - unsigned char data_to_pc_ready; - unsigned char tic_owner_to_pc; - unsigned char numcard_owner_to_pc; - unsigned char tic_des_to_pc; - unsigned char numcard_des_to_pc; - unsigned char data_from_pc_ready; - unsigned char tic_owner_from_pc; - unsigned char numcard_owner_from_pc; - unsigned char tic_des_from_pc; - unsigned char numcard_des_from_pc; - unsigned char ack_to_pc_ready; - unsigned char tic_ack_to_pc; - unsigned char numcard_ack_to_pc; - unsigned char typ_ack_to_pc; - unsigned char ack_from_pc_ready; - unsigned char tic_ack_from_pc; - unsigned char numcard_ack_from_pc; - unsigned char typ_ack_from_pc; - unsigned char conf_end_test[4]; - unsigned char error_code[2]; - unsigned char parameter_error[4]; - unsigned char time_base; - unsigned char nul_inc; - unsigned char vers; - unsigned char num_card; - unsigned char reserv1[32]; -}; - - -#endif /* __LINUX_APPLICOM_H__ */