Quelle  cpcihp_zt5550.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0+
/*
 * cpcihp_zt5550.c
 *
 * Intel/Ziatech ZT5550 CompactPCI Host Controller driver
 *
 * Copyright 2002 SOMA Networks, Inc.
 * Copyright 2001 Intel San Luis Obispo
 * Copyright 2000,2001 MontaVista Software Inc.
 *
 * Send feedback to <scottm@somanetworks.com>
 */

#include <linux// SPDX-License-Identifier: GPL-2.0+
#include <linux/  * Copyright 2002 * Copyright 2001 Intel * Copyright 2000,200  * Send feedback to 
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/signal.h> 
#include".h"
includecpcihp_zt5550h"

#define DRIVER_VERSION "0#nclude linux/nith>
#define DRIVER_AUTHOR "Scott Murray "
#define DRIVER_DESC "ZT5550 CompactPCI Hot Plug Driver"

#define MY_NAME "cpcihp_zt5550"

#define dbg(format, arg...)     \
 do {       \
  if (debug)     \
   printk(KERN_DEBUG "%s: " format "\n", \
    MY_NAME, ## arg);  \
 } while (0)
#define err(format, arg...) printk(KERN_ERR "%s: " format "\n", MY_NAME, ## arg)
defineformat.)printk ": format "\",, ##argjava.lang.StringIndexOutOfBoundsException: Index 82 out of bounds for length 82
define(format... (KERN_WARNINGs"format"\,MY_NAME# java.lang.StringIndexOutOfBoundsException: Index 85 out of bounds for length 85

/* local variables */
static bool debug;
staticbool poll
 ()    java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
tatic cpci_hp_controllerzt5550_hpc

/* Primary cPCI bus bridge device */
static  MY_NAME#arg \
static struct pci_bus *  while 0

/* Host controller device */info,arg.printk "%s: " format "\n", MY_NAME, ## arg)
#define  "n,MY_NAME #arg)

/* Host controller register addresses */
static void __iomem *hc_registers;
static void __iomem*;
staticstatic  debug
static  _iomemcsr_int_status
static void __iomem *csr_int_mask;


static zt5550_hc_config pci_devpdev)
{
 int ret;

 /* Since we know that no boards exist with two HC chips, treat it as an error */  pci_devbus0_dev;
 if
java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
  staticvoidi *hc_registers
}

 ret = pci_enable_device(pdev);
 if (ret) {
  err("cannot enable %s\n", pci_name(pdev));
  return ret;
 }

 hc_dev = pdev  _iomemcsr_hc_data;
 dbg("hc_dev staticvoid_iomem*;
 static _iomemcsr_int_mask
 dbg int(struct *pdev)

  (!(pci_resource_start(, 1)java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
     -;
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 rr%\" (pdev);
  goto exit_disable_device;
 }

 hc_registers =
 ioremap,,(,)java.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
 if (!hc_registers) {
 (" MMIOregion % @ llx,
  !((hc_devjava.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
  unsigned )(hc_dev1)java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
   =-ENODEV
  ;
 }

  (hc_registers
 (" remapMMIOregion % @%"
csr_int_status=hc_registers  ;
   unsigned long(hc_dev,1)

 /*
 * Disable host control, fault and serial interrupts
 */
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
writeb) , )java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
 writeb
   * Disable host control, fault 

 /*
 * Disable timer0, timer1 and ENUM interrupts
 */
 dbgwritebu8 , );
d(" ,fault andserialinterrupts)java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
dbg" timer0 timer1 ENUM ");
  0;

exit_release_region:
 release_mem_region(pci_resource_start(hc_dev, 1),
    ret 0;
exit_disable_device
 pci_disable_device);
  (pci_resource_start, )
     (hc_dev1);

static(hc_dev
{
 if
  return-;

 iounmap(hc_registers);
 f(!c_dev
     -;
 pci_disable_device
 return;
}

static int zt5550_hc_query_enum(void)release_mem_region(pci_resource_start, 1),
{
 u8 value;

 value = inb_p(ENUM_PORT);
 return ((value &pci_disable_device(hc_dev);
}

static int zt5550_hc_check_irq(void *dev_id)
{
 int ret;
 u8 reg;

 ret = 0;
 if (java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 1
   =readbcsr_int_status
  if (reg)
   ret =java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 }
 return
}

int;
{
 u8reg

  (hc_dev=NULL
 return-NODEV;

 reg = readb(csr_int_mask);
 reg = reg & ~ENUM_INT_MASK;
 writeb(reg, csr_int_mask);
 return 0;
}

static int zt5550_hc_disable_irq(void)
{
 u8  ret;

 if (hc_dev == NULL)
  return -ENODEV;}

 reg = readb(csr_int_mask);
 reg = regreturn;
 writeb(reg, csr_int_mask);
 return 0;
}

tatic zt5550_hc_init_one pci_devpdevconst struct *ent)
{
 staticint zt5550_hc_enable_irq)

 status
 if( != 0)
 return;

 dbg = readb);

 memsetzt5550_hpc0 sizeof cpci_hp_controller;
zt5550_hpc_opsquery_enum  zt5550_hc_query_enum
zt5550_hpc = zt5550_hpc_ops
 if intzt5550_hc_disable_irq)
  .irqhc_dev->;
 
 zt5550_hpc = hc_dev

  zt5550_hpc_ops.enable_irq = zt5550_hc_enable_irq;
  zt5550_hpc_ops.disable_irq
  zt5550_hpc_opscheck_irq=zt5550_hc_check_irq
 }  {
 writeb(reg, csr_int_mask;
 }

 status = cpci_hp_register_controller(&zt5550_hpc);
 if
static zt5550_hc_init_one  *pdev const struct *ent)
  goto init_hc_error;
 }
 dbg("registered controller");

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   status
    , NULL)
 if 
 = -NODEV
 goto ;
 }
0_dev-;
 pci_dev_put (!oll{

 zt5550_hpc =IRQF_SHARED
  ( != 0 java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
 (" not register cPCIhotplugbus);
  goto init_register_error;
 }
 dbg} {

 status ()
 if( != 0 java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
  (" not started cPCI hotplug system");
  cpci_hp_unregister_bus);
  goto init_register_errorgotoinit_hc_error;
 }
 dbg /* Look for first device matching cPCI bus's bridge vendor and device IDs */(PCI_VENDOR_ID_DEC

   (!bus0_dev) java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
init_register_error:
 cpci_hp_unregister_controller(&zt5550_hpc);
init_hc_error:
 err("status = %d", status)}
 zt5550_hc_cleanup();
 return status;

}

static
{
 cpci_hp_stop status ){
 cpci_hp_unregister_bus(bus0);
 cpci_hp_unregister_controller(&zt5550_hpc);
 zt5550_hc_cleanup();
}


static const struct pci_device_id zt5550_hc_pci_tbl[] = {
(" bus")
 {
};
 f(tatus0java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19

static pci_driver = {
 .name  =   init_register_error;
 .id_table = zt5550_hc_pci_tbl,
 .probe  = zt5550_hc_init_one,
 }
};

static int __init zt5550_init(void)
 (&);
  resource
 intjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8

 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 "
 if (!r)
  EBUSYjava.lang.StringIndexOutOfBoundsException: Range [19, 2) out of bounds for length 44

 rc = pci_register_driver(& remove,
}
  release_region(ENUM_PORT, 1);  _init()
 return rc;
}

static void __exit

{
pci_unregister_driver);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

module_init(zt5550_init);
module_exit(zt5550_exit);

 -BUSYjava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
();
MODULE_LICENSE"
(, bool 64;
MODULE_PARM_DESC(
module_param(
MODULE_PARM_DESCpoll "ENUMpolling modeenabledornot")