patch-2.4.3 linux/drivers/char/pcmcia/serial_cb.c

• Lines: 164
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.4.2/linux/drivers/char/pcmcia/serial_cb.c
• Orig date: Wed Feb 21 18:20:20 2001

diff -u --recursive --new-file v2.4.2/linux/drivers/char/pcmcia/serial_cb.c linux/drivers/char/pcmcia/serial_cb.c
@@ -1,163 +0,0 @@
-/*======================================================================
-
-    A driver for CardBus serial devices
-
-    serial_cb.c 1.20 2000/08/07 19:02:03
-
-    Copyright 1998, 1999 by Donald Becker and David Hinds
-    
-    This software may be used and distributed according to the terms
-    of the GNU General Public License, incorporated herein by reference.
-    All other rights reserved.
-    
-    This driver is an activator for CardBus serial cards, as
-    found on multifunction (e.g. Ethernet and Modem) CardBus cards.
-    
-    Donald Becker may be reached as becker@CESDIS.edu, or C/O
-    USRA Center of Excellence in Space Data and Information Sciences
-    Code 930.5, NASA Goddard Space Flight Center, Greenbelt MD 20771
-    David Hinds may be reached at dahinds@users.sourceforge.net
-    
-======================================================================*/
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-#include <linux/tty.h>
-#include <linux/serial.h>
-#include <linux/major.h>
-#include <linux/pci.h>
-#include <asm/io.h>
-
-#include <pcmcia/driver_ops.h>
-
-#ifdef PCMCIA_DEBUG
-static int pc_debug = PCMCIA_DEBUG;
-MODULE_PARM(pc_debug, "i");
-#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
-static char *version =
-"serial_cb.c 1.20 2000/08/07 19:02:03 (David Hinds)";
-#else
-#define DEBUG(n, args...)
-#endif
-
-/*======================================================================
-
-    Card-specific configuration hacks
-
-======================================================================*/
-
-static void device_setup(struct pci_dev *pdev, u_int ioaddr)
-{
-    u_short a, b;
-
-    a = pdev->subsystem_vendor;
-    b = pdev->subsystem_device;
-    if (((a == 0x13a2) && (b == 0x8007)) ||
-	((a == 0x1420) && (b == 0x8003))) {
-	/* Ositech, Psion 83c175-based cards */
-	DEBUG(0, "  83c175 NVCTL_m = 0x%4.4x.\n", inl(ioaddr+0x80));
-	outl(0x4C00, ioaddr + 0x80);
-	outl(0x4C80, ioaddr + 0x80);
-    }
-    DEBUG(0, "  modem registers are %2.2x %2.2x %2.2x "
-	  "%2.2x %2.2x %2.2x %2.2x %2.2x  %2.2x.\n",
-	  inb(ioaddr + 0), inb(ioaddr + 1), inb(ioaddr + 2),
-	  inb(ioaddr + 3), inb(ioaddr + 4), inb(ioaddr + 5),
-	  inb(ioaddr + 6), inb(ioaddr + 7), inb(ioaddr + 8));
-}
-
-/*======================================================================
-
-    serial_attach() creates a serial device "instance" and registers
-    it with the kernel serial driver, and serial_detach() unregisters
-    an instance.
-
-======================================================================*/
-
-static dev_node_t *serial_attach(dev_locator_t *loc)
-{
-    u_int io;
-    u_char irq;
-    int line;
-    struct serial_struct serial;
-    struct pci_dev *pdev;
-    dev_node_t *node;
-    
-    MOD_INC_USE_COUNT;
-
-    if (loc->bus != LOC_PCI) goto err_out;
-    pdev = pci_find_slot (loc->b.pci.bus, loc->b.pci.devfn);
-    if (!pdev) goto err_out;
-    if (pci_enable_device(pdev)) goto err_out;
-
-    printk(KERN_INFO "serial_attach(bus %d, fn %d)\n", pdev->bus->number, pdev->devfn);
-    io = pci_resource_start (pdev, 0);
-    irq = pdev->irq;
-    if (!(pci_resource_flags(pdev, 0) & IORESOURCE_IO)) {
-	printk(KERN_NOTICE "serial_cb: PCI base address 0 is not IO\n");
-	goto err_out;
-    }
-    device_setup(pdev, io);
-    memset(&serial, 0, sizeof(serial));
-    serial.port = io; serial.irq = irq;
-    serial.flags = ASYNC_SKIP_TEST | ASYNC_SHARE_IRQ;
-
-    /* Some devices seem to need extra time */
-    __set_current_state(TASK_UNINTERRUPTIBLE);
-    schedule_timeout(HZ/50);
-
-    line = register_serial(&serial);
-    if (line < 0) {
-	printk(KERN_NOTICE "serial_cb: register_serial() at 0x%04x, "
-	       "irq %d failed\n", serial.port, serial.irq);
-    	goto err_out;
-    }
-
-    node = kmalloc(sizeof(dev_node_t), GFP_KERNEL);
-    if (!node)
-	    goto err_out_unregister;
-    sprintf(node->dev_name, "ttyS%d", line);
-    node->major = TTY_MAJOR; node->minor = 0x40 + line;
-    node->next = NULL;
-    return node;
-
-err_out_unregister:
-    unregister_serial(line);
-err_out:
-    MOD_DEC_USE_COUNT;
-    return NULL;
-}
-
-static void serial_detach(dev_node_t *node)
-{
-    DEBUG(0, "serial_detach(ttyS%02d)\n", node->minor - 0x40);
-    unregister_serial(node->minor - 0x40);
-    kfree(node);
-    MOD_DEC_USE_COUNT;
-}
-
-/*====================================================================*/
-
-struct driver_operations serial_ops = {
-    "serial_cb", serial_attach, NULL, NULL, serial_detach
-};
-
-static int __init init_serial_cb(void)
-{
-    DEBUG(0, "%s\n", version);
-    register_driver(&serial_ops);
-    return 0;
-}
-
-static void __exit exit_serial_cb(void)
-{
-    DEBUG(0, "serial_cb: unloading\n");
-    unregister_driver(&serial_ops);
-}
-
-module_init(init_serial_cb);
-module_exit(exit_serial_cb);