/*
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* Copyright (C) 2006 Wolfgang Grandegger <wg@grandegger.com>
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*
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <linux/module.h>
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#include <linux/ioport.h>
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#include <linux/delay.h>
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#include <rtdm/driver.h>
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#include <rtcan_dev.h>
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#include <rtcan_internal.h>
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#include <rtcan_sja1000.h>
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#ifdef CONFIG_XENO_DRIVERS_CAN_DEBUG
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static int rtcan_sja_proc_regs(struct seq_file *p, void *data)
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{
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struct rtcan_device *dev = (struct rtcan_device *)data;
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struct rtcan_sja1000 *chip = (struct rtcan_sja1000 *)dev->priv;
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int i;
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seq_printf(p, "SJA1000 registers");
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for (i = 0; i < 0x20; i++) {
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if ((i % 0x10) == 0)
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seq_printf(p, "\n%02x:", i);
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seq_printf(p, " %02x", chip->read_reg(dev, i));
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}
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seq_printf(p, "\n");
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return 0;
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}
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static int rtcan_sja_proc_regs_open(struct inode *inode, struct file *file)
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{
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return single_open(file, rtcan_sja_proc_regs, pde_data(inode));
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}
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static const DEFINE_PROC_OPS(rtcan_sja_proc_regs_ops,
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rtcan_sja_proc_regs_open,
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single_release,
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seq_read,
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NULL);
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int rtcan_sja_create_proc(struct rtcan_device* dev)
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{
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if (!dev->proc_root)
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return -EINVAL;
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proc_create_data("registers", S_IFREG | S_IRUGO | S_IWUSR, dev->proc_root,
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&rtcan_sja_proc_regs_ops, dev);
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return 0;
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}
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void rtcan_sja_remove_proc(struct rtcan_device* dev)
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{
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if (!dev->proc_root)
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return;
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remove_proc_entry("registers", dev->proc_root);
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}
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#else /* !CONFIG_XENO_DRIVERS_CAN_DEBUG */
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void rtcan_sja_remove_proc(struct rtcan_device* dev)
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{
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}
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int rtcan_sja_create_proc(struct rtcan_device* dev)
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{
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return 0;
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}
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#endif /* CONFIG_XENO_DRIVERS_CAN_DEBUG */
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