* Linux CAN-bus device driver.
* Written by Arnaud Westenberg email:arnaud@casema.net
* This software is released under the GPL-License.
- * Version 0.6 18 Sept 2000
+ * Version lincan-0.3 17 Jun 2004
*/
#include "../include/can.h"
#include "../include/i82527.h"
int ssvcan_irq[2]={-1,-1};
-unsigned long ssvcan_base=0x0;
+can_ioptr_t ssvcan_base=0x0;
-static can_spinlock_t ssv_port_lock=SPIN_LOCK_UNLOCKED;
+static CAN_DEFINE_SPINLOCK(ssv_port_lock);
/* IO_RANGE is the io-memory range that gets reserved, please adjust according
* your hardware. Example: #define IO_RANGE 0x100 for i82527 chips or
* argument supplied at module loading time.
* The clock argument holds the chip clock value in Hz.
*/
-#define CHIP_TYPE "i82527"
-
int ssv_init_chip_data(struct candevice_t *candev, int chipnr)
{
- candev->chip[chipnr]->chip_type=CHIP_TYPE;
+ i82527_fill_chipspecops(candev->chip[chipnr]);
candev->chip[chipnr]->chip_base_addr=
- candev->io_addr+0x100*chipnr;
+ can_ioport2ioptr(candev->io_addr+0x100*chipnr);
candev->chip[chipnr]->clock = 16000000;
ssvcan_irq[chipnr]=candev->chip[chipnr]->chip_irq;
* base address.
* Unless the hardware uses a segmented memory map, flags can be set zero.
*/
-int ssv_init_obj_data(struct chip_t *chip, int objnr)
+int ssv_init_obj_data(struct canchip_t *chip, int objnr)
{
chip->msgobj[objnr]->obj_base_addr=
* on the CAN chip. You should only have to edit this function if your hardware
* uses some specific write process.
*/
-void ssv_write_register(unsigned data, unsigned long address)
+void ssv_write_register(unsigned data, can_ioptr_t address)
{
/* address is an absolute address */
/* write the relative address on the eight LSB bits
and the data on the eight MSB bits in one time */
if((address-ssvcan_base)<0x100)
- outw(address-ssvcan_base + (256 * data), ssvcan_base);
+ can_outw(address-ssvcan_base + (256 * data), ssvcan_base);
else
- outw(address-ssvcan_base-0x100 + (256 * data), ssvcan_base+0x02);
+ can_outw(address-ssvcan_base-0x100 + (256 * data), ssvcan_base+0x02);
}
/* The function template_read_register is used to read from hardware registers
* on the CAN chip. You should only have to edit this function if your hardware
* uses some specific read process.
*/
-unsigned ssv_read_register(unsigned long address)
+unsigned ssv_read_register(can_ioptr_t address)
{
/* this is the same thing that the function write_register.
We use the two register, we write the address where we
if((address-ssvcan_base)<0x100)
{
can_spin_lock_irqsave(&ssv_port_lock,flags);
- outb(address-ssvcan_base, ssvcan_base);
- ret=inb(ssvcan_base+1);
+ can_outb(address-ssvcan_base, ssvcan_base);
+ ret=can_inb(ssvcan_base+1);
can_spin_unlock_irqrestore(&ssv_port_lock,flags);
}
else
{
can_spin_lock_irqsave(&ssv_port_lock,flags);
- outb(address-ssvcan_base-0x100, ssvcan_base+0x02);
- ret=inb(ssvcan_base+1+0x02);
+ can_outb(address-ssvcan_base-0x100, ssvcan_base+0x02);
+ ret=can_inb(ssvcan_base+1+0x02);
can_spin_unlock_irqrestore(&ssv_port_lock,flags);
}