X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/6250b3805fb7e368adf1e3f7ca39c8cc617bccff..fe719367cdb25978d42261513dd9810c22481960:/lincan/src/sysdep_lnx.c diff --git a/lincan/src/sysdep_lnx.c b/lincan/src/sysdep_lnx.c index 2161fee..1033a5f 100644 --- a/lincan/src/sysdep_lnx.c +++ b/lincan/src/sysdep_lnx.c @@ -1,11 +1,36 @@ -/* sysdep_lnx.c - * Linux CAN-bus device driver. - * Written by Arnaud Westenberg email:arnaud@wanadoo.nl - * Rewritten for new CAN queues by Pavel Pisa - OCERA team member - * email:pisa@cmp.felk.cvut.cz - * This software is released under the GPL-License. - * Version lincan-0.3 17 Jun 2004 - */ +/**************************************************************************/ +/* File: sysdep_lnx.c - Linux system dependant support routines */ +/* */ +/* LinCAN - (Not only) Linux CAN bus driver */ +/* Copyright (C) 2002-2009 DCE FEE CTU Prague */ +/* Copyright (C) 2002-2009 Pavel Pisa */ +/* Funded by OCERA and FRESCOR IST projects */ +/* Based on CAN driver code by Arnaud Westenberg */ +/* */ +/* 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" @@ -20,6 +45,9 @@ * components/comm/contrib directory. */ #endif +#ifndef IRQF_SHARED +#define IRQF_SHARED SA_SHIRQ +#endif /*IRQF_SHARED*/ /** * can_checked_malloc - memory allocation with registering of requested blocks @@ -186,6 +214,37 @@ void can_release_mem_region(unsigned long start, unsigned long n) #endif } +#ifdef CAN_ENABLE_PCI_SUPPORT + +struct pci_dev *can_pci_get_next_untaken_device(unsigned int vendor, unsigned int device) +{ + struct pci_dev *pcidev = NULL; + + do { + pcidev = can_pci_get_device(vendor, device, pcidev); + if(pcidev == NULL) + return NULL; + } while(can_check_dev_taken(pcidev)); + + return pcidev; +} + +struct pci_dev *can_pci_get_next_untaken_subsyst(unsigned int vendor, unsigned int device, + unsigned int ss_vendor, unsigned int ss_device) +{ + struct pci_dev *pcidev = NULL; + + do { + pcidev = can_pci_get_subsys(vendor, device, ss_vendor, ss_device, pcidev); + if(pcidev == NULL) + return NULL; + } while(can_check_dev_taken(pcidev)); + + return pcidev; +} + +#endif /*CAN_ENABLE_PCI_SUPPORT*/ + #ifndef CAN_WITH_RTL /** @@ -223,7 +282,7 @@ int can_chip_setup_irq(struct canchip_t *chip) return 1; if ((chip->flags & CHIP_IRQ_VME) == 0) { - if (request_irq(chip->chip_irq,can_default_irq_dispatch,SA_SHIRQ,DEVICE_NAME,chip)) + if (request_irq(chip->chip_irq,can_default_irq_dispatch,IRQF_SHARED,DEVICE_NAME,chip)) return -1; else { DEBUGMSG("Registered interrupt %d\n",chip->chip_irq);