/* mod_parms.c * Linux CAN-bus device driver. * Written by Arnaud Westenberg email:arnaud@wanadoo.nl * This software is released under the GPL-License. * Version 0.7  6 Aug 2001 */#include <linux/autoconf.h>#if defined (CONFIG_MODVERSIONS) && !defined (MODVERSIONS)#define MODVERSIONS#endif#if defined (MODVERSIONS)#include <linux/modversions.h>#endif#include "../.support"#ifndef PIP#define PIP 0#endif#ifndef SMARTCAN#define SMARTCAN 0#endif#ifndef PCCAN#define PCCAN 0#endif#ifndef NSI#define NSI 0#endif#ifndef CC104#define CC104 0#endif#ifndef AIM104#define AIM104 0#endif#ifndef PCI03#define PCI03 0#endif#ifndef PCM3680#define PCM3680 0#endif#ifndef M437#define M437 0#endif#ifndef PCCCAN#define PCCCAN 0#endif#ifndef SSV#define SSV 0#endif#ifndef TEMPLATE#define TEMPLATE 0#endif#include <linux/string.h>#include <linux/fs.h>#include "../include/main.h"#include "../include/modparms.h"int parse_mod_parms(void){	int i=0,j=0,irq_needed=0,irq_supplied=0,io_needed=0,io_supplied=0,minor_needed=0,minor_supplied=0;	if ( (hw[0] == NULL) | (irq[0] == -1) | (io[0] == -1) ) {		CANMSG("You must supply your type of hardware, interrupt numbers and io address.\n");		CANMSG("Example: # insmod can.o hw=pip5 irq=4 io=0x8000\n");		return -ENODEV;	}	while ( (hw[i] != NULL) && (i < MAX_HW_CARDS) ) {		if ( !strcmp(hw[i],"pip5") && PIP )			irq_needed++;		else if (!strcmp(hw[i],"pip6") && PIP)			irq_needed++;		else if (!strcmp(hw[i],"smartcan") && SMARTCAN)			irq_needed++;		else if (!strcmp(hw[i],"pccan-q") && PCCAN)			irq_needed=irq_needed+4;		else if (!strcmp(hw[i],"pccan-f") && PCCAN)			irq_needed++;		else if (!strcmp(hw[i],"pccan-s") && PCCAN)			irq_needed++;		else if (!strcmp(hw[i],"pccan-d") && PCCAN)			irq_needed=irq_needed+2;		else if (!strcmp(hw[i],"nsican") && NSI)			irq_needed++;		else if (!strcmp(hw[i],"cc104") && CC104)			irq_needed++;		else if (!strcmp(hw[i],"aim104") && AIM104)			irq_needed++;		else if (!strcmp(hw[i],"pc-i03") && PCI03)			irq_needed++;		else if (!strcmp(hw[i],"pcm3680") && PCM3680)			irq_needed=irq_needed+2;		else if (!strcmp(hw[i],"m437") && M437)			irq_needed++;		else if (!strcmp(hw[i],"pcccan") && PCCCAN)			irq_needed++;		else if (!strcmp(hw[i],"ssv") && SSV)			irq_needed=irq_needed+2;		else if (!strcmp(hw[i],"template") && TEMPLATE);		else {			CANMSG("Sorry, hardware \"%s\" is currently not supported.\n",hw[i]);			return -EINVAL;		}		i++;	}	/* Check wether the supplied number of io addresses is correct. */	io_needed=i;	while ( (io[io_supplied] != -1) & (io_supplied<MAX_HW_CARDS) ) 		io_supplied++;	if (io_needed != io_supplied) {		CANMSG("Invalid number of io addresses.\n");		CANMSG("Supplied hardware needs %d io address(es).\n",io_needed);		return -EINVAL;	}	/* Check wether the supplied number of irq's is correct. */	while ( (irq[irq_supplied] != -1) & (irq_supplied<MAX_IRQ) )		irq_supplied++;	while ( (hw[j] != NULL) && (j<MAX_HW_CARDS) ) {		if (!strcmp(hw[j],"template") && TEMPLATE)			irq_needed = irq_supplied;		j++;	}	if (irq_needed != irq_supplied) {		CANMSG("Invalid number of interrupts.\n");		CANMSG("Supplied harware needs %d irq number(s).\n",irq_needed);		return -EINVAL;	}	/* In case minor numbers were assigned check wether the correct number	 * of minor numbers was supplied.	 */	if (minor[0] != -1) {		minor_needed=irq_needed;		while ((minor[minor_supplied] != -1) & (minor_supplied<MAX_IRQ))			minor_supplied++; 		if (minor_supplied != minor_needed) {			CANMSG("Invalid number of minor numbers.\n");			CANMSG("Supplied hardware needs %d minor number(s).\n",minor_needed);			return -EINVAL;		}	}	return 0;}/* list_hw is used when debugging is on to show the hardware layout */int list_hw(void){	int i=0,j=0,k=0;	DEBUGMSG("Number of boards : %d\n",hardware_p->nr_boards);	while ( (hw[i] != NULL) & (i<=MAX_HW_CARDS-1) ) {		printk(KERN_ERR "\n");		DEBUGMSG("Hardware         : %s\n",hardware_p->candevice[i]->hwname);		DEBUGMSG("IO address       : 0x%lx\n",hardware_p->candevice[i]->io_addr);		DEBUGMSG("Nr. of i82527    : %d\n",hardware_p->candevice[i]->nr_82527_chips);		DEBUGMSG("Nr. of sja1000   : %d\n",hardware_p->candevice[i]->nr_sja1000_chips);		for (j=0; j<hardware_p->candevice[i]->nr_82527_chips+hardware_p->candevice[i]->nr_sja1000_chips; j++) {			DEBUGMSG("Chip%d type       : %s\n", j+1, hardware_p->candevice[i]->chip[j]->chip_type);			DEBUGMSG("Chip base        : 0x%lx\n",hardware_p->candevice[i]->chip[j]->chip_base_addr);			DEBUGMSG("Interrupt        : %d\n",hardware_p->candevice[i]->chip[j]->chip_irq);			if (!strcmp(hardware_p->candevice[i]->chip[j]->chip_type,"i82527")) {				for (k=0; k<15; k++)					DEBUGMSG("Obj%d: minor: %d base: 0x%lx\n",k,hardware_p->candevice[i]->chip[j]->msgobj[k]->minor,hardware_p->candevice[i]->chip[j]->msgobj[k]->obj_base_addr);			}			if (!strcmp(hardware_p->candevice[i]->chip[j]->chip_type,"sja1000")) {				for (k=0; k<1; k++)					DEBUGMSG("Obj%d: minor: %d base: 0x%lx\n",k,hardware_p->candevice[i]->chip[j]->msgobj[k]->minor,hardware_p->candevice[i]->chip[j]->msgobj[k]->obj_base_addr);			} 		}		i++;	}	return 0;}