-/* smartcan.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: smartcan.c - i82527 based card with indexed access */
+/* */
+/* 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> */
+/* Copyright (C) other parties found in actual files */
+/* 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"
int smartcan_irq=-1;
unsigned long smartcan_base=0x0;
-static can_spinlock_t smartcan_port_lock=SPIN_LOCK_UNLOCKED;
+static CAN_DEFINE_SPINLOCK(smartcan_port_lock);
int smartcan_request_io(struct candevice_t *candev)
{
int i=0;
DEBUGMSG("Resetting smartcan hardware ...\n");
- outb(0x00,candev->res_addr);
+ can_outb(0x00,candev->res_addr);
while (i < 1000000) {
i++;
- outb(0x01,candev->res_addr);
+ can_outb(0x01,candev->res_addr);
}
- outb(0x00,candev->res_addr);
+ can_outb(0x00,candev->res_addr);
/* Check hardware reset status */
i=0;
- outb(candev->io_addr+iCPU,candev->io_addr);
- while ( (inb(candev->io_addr+1)&0x80) && (i<=15) ) {
+ can_outb(candev->io_addr+iCPU,candev->io_addr);
+ while ( (can_inb(candev->io_addr+1)&0x80) && (i<=15) ) {
udelay(20000);
i++;
}
DEBUGMSG("Chip0 reset status ok.\n");
return 0;
-}
+}
int smartcan_init_hw_data(struct candevice_t *candev)
{
candev->nr_82527_chips=1;
candev->nr_sja1000_chips=0;
candev->nr_all_chips=1;
-
+
return 0;
}
int smartcan_init_chip_data(struct candevice_t *candev, int chipnr)
{
- candev->chip[chipnr]->chip_type="i82527";
- candev->chip[chipnr]->chip_base_addr=candev->io_addr;
+ i82527_fill_chipspecops(candev->chip[chipnr]);
+ candev->chip[chipnr]->chip_base_addr=can_ioport2ioptr(candev->io_addr);
candev->chip[chipnr]->clock = 16000000;
candev->chip[chipnr]->int_cpu_reg = iCPU_DSC;
candev->chip[chipnr]->int_clk_reg = iCLK_SL1;
return 0;
}
-int smartcan_init_obj_data(struct chip_t *chip, int objnr)
+int smartcan_init_obj_data(struct canchip_t *chip, int objnr)
{
chip->msgobj[objnr]->obj_base_addr=(objnr+1)*0x10;
}
-void smartcan_write_register(unsigned data, unsigned long address)
+void smartcan_write_register(unsigned data, can_ioptr_t address)
{
can_spin_irqflags_t flags;
can_spin_lock_irqsave(&smartcan_port_lock,flags);
- outb(address-smartcan_base,smartcan_base);
- outb(data,smartcan_base+1);
+ can_outb(address-smartcan_base,smartcan_base);
+ can_outb(data,smartcan_base+1);
can_spin_unlock_irqrestore(&smartcan_port_lock,flags);
}
-unsigned smartcan_read_register(unsigned long address)
+unsigned smartcan_read_register(can_ioptr_t address)
{
unsigned ret;
can_spin_irqflags_t flags;
can_spin_lock_irqsave(&smartcan_port_lock,flags);
- outb(address-smartcan_base,smartcan_base);
- ret=inb(smartcan_base+1);
+ can_outb(address-smartcan_base,smartcan_base);
+ ret=can_inb(smartcan_base+1);
can_spin_unlock_irqrestore(&smartcan_port_lock,flags);
return ret;
}
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