X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/bb942b0bf58dd15491aee5acb3b4ec76559104a1..04ac67cc3cac14cd601daacd0592121ec0b84012:/lincan/src/pccan.c

diff --git a/lincan/src/pccan.c b/lincan/src/pccan.c
index 289fa84..7086151 100644
--- a/lincan/src/pccan.c
+++ b/lincan/src/pccan.c
@@ -1,11 +1,36 @@
-/* pccan.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: pccan.c - PCcan-Q/F/S/D ISA card by KVASER                       */
+/*                                                                        */
+/* 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>             */
+/* 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"
@@ -52,7 +77,7 @@ int pccanq_request_io(struct candevice_t *candev)
 {
 	unsigned long io_addr;
 	int i;
-	
+
 	if (pccand_request_io(candev))
 		return -ENODEV;
 
@@ -177,7 +202,7 @@ int pccanq_reset(struct candevice_t *candev)
 		can_outb(0x00,candev->res_addr);
 	}
 	outb_p(0x01,candev->res_addr);
-		
+
 	can_outb(0x00,candev->chip[2]->chip_base_addr+SJACR);
 	can_outb(0x00,candev->chip[3]->chip_base_addr+SJACR);
 
@@ -194,7 +219,7 @@ int pccanq_reset(struct candevice_t *candev)
 			CANMSG("Please check your hardware.\n");
 			return -ENODEV;
 		}
-		else 
+		else
 			DEBUGMSG("Chip%d reset status ok.\n",chip_nr);
 	}
 	for (chip_nr=2; chip_nr<4; chip_nr++) {
@@ -217,7 +242,7 @@ int pccanq_reset(struct candevice_t *candev)
 		can_enable_irq(candev->chip[i]->chip_irq);
 
 	return 0;
-} 	
+}
 
 int pccan_init_hw_data(struct candevice_t *candev)
 {
@@ -254,7 +279,7 @@ int pccan_init_chip_data(struct candevice_t *candev, int chipnr)
 			candev->chip[chipnr]->int_clk_reg=iCLK_SL1;
 			candev->chip[chipnr]->int_bus_reg=iBUS_CBY;
 			candev->chip[chipnr]->sja_cdr_reg = 0;
-			candev->chip[chipnr]->sja_ocr_reg = 0;	
+			candev->chip[chipnr]->sja_ocr_reg = 0;
 		}
 		else{
 			sja1000_fill_chipspecops(candev->chip[chipnr]);
@@ -264,8 +289,8 @@ int pccan_init_chip_data(struct candevice_t *candev, int chipnr)
 			candev->chip[chipnr]->int_bus_reg = 0;
 			candev->chip[chipnr]->sja_cdr_reg =
 								sjaCDR_CLK_OFF;
-			candev->chip[chipnr]->sja_ocr_reg = 
-						sjaOCR_MODE_NORMAL | sjaOCR_TX0_LH;	
+			candev->chip[chipnr]->sja_ocr_reg =
+						sjaOCR_MODE_NORMAL | sjaOCR_TX0_LH;
 		}
 		candev->chip[chipnr]->chip_base_addr=can_ioport2ioptr(0x1000*chipnr+0x2000+candev->io_addr);
 	}
@@ -277,14 +302,14 @@ int pccan_init_chip_data(struct candevice_t *candev, int chipnr)
 		candev->chip[chipnr]->int_clk_reg = 0;
 		candev->chip[chipnr]->int_bus_reg = 0;
 		candev->chip[chipnr]->sja_cdr_reg = sjaCDR_CLK_OFF;
-		candev->chip[chipnr]->sja_ocr_reg = 
-						sjaOCR_MODE_NORMAL | sjaOCR_TX0_LH;	
+		candev->chip[chipnr]->sja_ocr_reg =
+						sjaOCR_MODE_NORMAL | sjaOCR_TX0_LH;
 	}
 
 	candev->chip[chipnr]->clock = 16000000;
 
 	return 0;
-}	
+}
 
 int pccan_init_obj_data(struct canchip_t *chip, int objnr)
 {
@@ -340,7 +365,7 @@ int pccan_program_irq(struct candevice_t *candev)
 
 inline void pccan_write_register(unsigned data, can_ioptr_t address)
 {
-	can_outb(data,address); 
+	can_outb(data,address);
 }
 
 unsigned pccan_read_register(can_ioptr_t address)