* Version lincan-0.2 9 Jul 2003
*/
-#include <linux/autoconf.h>
-
-#include <linux/ioport.h>
-#include <linux/delay.h>
-#include <linux/sched.h>
-#include <asm/errno.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-
+#include "../include/can.h"
+#include "../include/can_sysdep.h"
#include "../include/main.h"
#include "../include/smartcan.h"
#include "../include/i82527.h"
int smartcan_irq=-1;
unsigned long smartcan_base=0x0;
+static can_spinlock_t smartcan_port_lock=SPIN_LOCK_UNLOCKED;
+
int smartcan_request_io(struct candevice_t *candev)
{
if (!can_request_io_region(candev->io_addr,0x04,DEVICE_NAME)) {
int smartcan_init_obj_data(struct chip_t *chip, int objnr)
{
chip->msgobj[objnr]->obj_base_addr=(objnr+1)*0x10;
- chip->msgobj[objnr]->flags=0;
return 0;
}
void smartcan_write_register(unsigned char data, unsigned long address)
{
- disable_irq(smartcan_irq);
+ can_spin_irqflags_t flags;
+ can_spin_lock_irqsave(&smartcan_port_lock,flags);
outb(address-smartcan_base,smartcan_base);
outb(data,smartcan_base+1);
- enable_irq(smartcan_irq);
+ can_spin_unlock_irqrestore(&smartcan_port_lock,flags);
}
unsigned smartcan_read_register(unsigned long address)
{
unsigned ret;
- disable_irq(smartcan_irq);
+ can_spin_irqflags_t flags;
+ can_spin_lock_irqsave(&smartcan_port_lock,flags);
outb(address-smartcan_base,smartcan_base);
ret=inb(smartcan_base+1);
- enable_irq(smartcan_irq);
+ can_spin_unlock_irqrestore(&smartcan_port_lock,flags);
return ret;
}