-/* esdpci200.c - support for ESD Electronics' CAN/PCI-200 cards
- * Linux CAN-bus device driver.
- * The card support was added by Manuel Bessler <m.bessler@gmx.net>
- * Based on adlink7841.c and nsi_canpci.c
- * This software is released under the GPL-License.
- * Version lincan-0.3.3
- */
+/**************************************************************************/
+/* File: esdpci200.c - support for ESD Electronics' CAN/PCI-200 cards */
+/* */
+/* LinCAN - (Not only) Linux CAN bus driver */
+/* Copyright (C) 2002-2009 DCE FEE CTU Prague <http://dce.felk.cvut.cz> */
+/* Copyright (C) 2002-2009 Pavel Pisa <pisa@cmp.felk.cvut.cz> */
+/* Copyright (C) 2007 Manuel Bessler <m.bessler@gmx.net> */
+/* Funded by OCERA and FRESCOR IST projects */
+/* Based on CAN driver code by Arnaud Westenberg <arnaud@wanadoo.nl> */
+/* */
+/* LinCAN is free software; you can redistribute it and/or modify it */
+/* under terms of the GNU General Public License as published by the */
+/* Free Software Foundation; either version 2, or (at your option) any */
+/* later version. LinCAN is distributed in the hope that it will be */
+/* useful, but WITHOUT ANY WARRANTY; without even the implied warranty */
+/* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU */
+/* General Public License for more details. You should have received a */
+/* copy of the GNU General Public License along with LinCAN; see file */
+/* COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, */
+/* Cambridge, MA 02139, USA. */
+/* */
+/* To allow use of LinCAN in the compact embedded systems firmware */
+/* and RT-executives (RTEMS for example), main authors agree with next */
+/* special exception: */
+/* */
+/* Including LinCAN header files in a file, instantiating LinCAN generics */
+/* or templates, or linking other files with LinCAN objects to produce */
+/* an application image/executable, does not by itself cause the */
+/* resulting application image/executable to be covered by */
+/* the GNU General Public License. */
+/* This exception does not however invalidate any other reasons */
+/* why the executable file might be covered by the GNU Public License. */
+/* Publication of enhanced or derived LinCAN files is required although. */
+/**************************************************************************/
#include "../include/can.h"
#include "../include/can_sysdep.h"
can_base_addr_fixup(candev, remap_addr);
CANMSG("esdpci200_sja IO-memory: 0x%lx - 0x%lx (VMA 0x%lx)\n",
(unsigned long) bar2_addr,
- (unsigned long) bar2_addr + pci_resource_len(pcidev,2) - 1,
+ (unsigned long) (bar2_addr + pci_resource_len(pcidev,2) - 1),
(long) remap_addr);
return 0;
void esdpci200_write_register(unsigned data, can_ioptr_t address)
{
- iowrite8((u8)data,(void*)address);
+ iowrite8((u8)data,address);
wmb();
}
unsigned esdpci200_read_register(can_ioptr_t address)
{
- return ioread8((void*)address);
+ return ioread8(address);
}
int esdpci200_reset(struct candevice_t *candev)
int esdpci200_init_hw_data(struct candevice_t *candev)
{
- struct pci_dev *pcidev = NULL;
+ struct pci_dev *pcidev;
+
+ pcidev = can_pci_get_next_untaken_device(ESDPCI200_PCI_VENDOR_ID, ESDPCI200_PCI_PRODUCT_ID);
+ if(pcidev == NULL)
+ return -ENODEV;
- do {
- pcidev = pci_find_device(ESDPCI200_PCI_VENDOR_ID, ESDPCI200_PCI_PRODUCT_ID, pcidev);
- if(pcidev == NULL) return -ENODEV;
- } while(can_check_dev_taken(pcidev));
-
if (pci_enable_device (pcidev)){
printk(KERN_CRIT "Setup of ESDPCI200 failed\n");
+ can_pci_dev_put(pcidev);
return -EIO;
}
candev->sysdevptr.pcidev=pcidev;
if(!(pci_resource_flags(pcidev, 0)&IORESOURCE_MEM))
{
printk(KERN_CRIT "PCI200 region %d is not MEM\n",0);
+ can_pci_dev_put(pcidev);
return -EIO;
}
if(!(pci_resource_flags(pcidev, 1)&IORESOURCE_IO))
{
printk(KERN_CRIT "PCI200 region %d is not IO\n",1);
+ can_pci_dev_put(pcidev);
return -EIO;
}
if(!(pci_resource_flags(pcidev,2)&IORESOURCE_MEM))
{
printk(KERN_CRIT "PCI200 region %d is not MEM\n",2);
+ can_pci_dev_put(pcidev);
return -EIO;
}
return 0;
}
+void esdpci200_done_hw_data(struct candevice_t *candev)
+{
+ struct pci_dev *pcidev = candev->sysdevptr.pcidev;
+ can_pci_dev_put(pcidev);
+}
+
int esdpci200_init_chip_data(struct candevice_t *candev, int chipnr)
{
hwspecops->release_io = esdpci200_release_io;
hwspecops->reset = esdpci200_reset;
hwspecops->init_hw_data = esdpci200_init_hw_data;
+ hwspecops->done_hw_data = esdpci200_done_hw_data;
hwspecops->init_chip_data = esdpci200_init_chip_data;
hwspecops->init_obj_data = esdpci200_init_obj_data;
hwspecops->write_register = esdpci200_write_register;