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/*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
*
* This program is distributed in the hope 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 this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*/
#include <linux/init.h>
#include <linux/proc_fs.h>
#include <linux/irq.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/kernel_stat.h>
#include <linux/random.h>
#include <asm/io.h>
#include <int.h>
#include <uart.h>
static int pnx8550_timers_read(char* page, char** start, off_t offset, int count, int* eof, void* data)
{
int len = 0;
int configPR = read_c0_config7();
if (offset==0) {
len += sprintf(&page[len], "Timer: count, compare, tc, status\n");
len += sprintf(&page[len], " 1: %11i, %8i, %1i, %s\n",
read_c0_count(), read_c0_compare(),
(configPR>>6)&0x1, ((configPR>>3)&0x1)? "off":"on");
len += sprintf(&page[len], " 2: %11i, %8i, %1i, %s\n",
read_c0_count2(), read_c0_compare2(),
(configPR>>7)&0x1, ((configPR>>4)&0x1)? "off":"on");
len += sprintf(&page[len], " 3: %11i, %8i, %1i, %s\n",
read_c0_count3(), read_c0_compare3(),
(configPR>>8)&0x1, ((configPR>>5)&0x1)? "off":"on");
}
return len;
}
static int pnx8550_registers_read(char* page, char** start, off_t offset, int count, int* eof, void* data)
{
int len = 0;
if (offset==0) {
len += sprintf(&page[len], "config1: %#10.8x\n", read_c0_config1());
len += sprintf(&page[len], "config2: %#10.8x\n", read_c0_config2());
len += sprintf(&page[len], "config3: %#10.8x\n", read_c0_config3());
len += sprintf(&page[len], "configPR: %#10.8x\n", read_c0_config7());
len += sprintf(&page[len], "status: %#10.8x\n", read_c0_status());
len += sprintf(&page[len], "cause: %#10.8x\n", read_c0_cause());
len += sprintf(&page[len], "count: %#10.8x\n", read_c0_count());
len += sprintf(&page[len], "count_2: %#10.8x\n", read_c0_count2());
len += sprintf(&page[len], "count_3: %#10.8x\n", read_c0_count3());
len += sprintf(&page[len], "compare: %#10.8x\n", read_c0_compare());
len += sprintf(&page[len], "compare_2: %#10.8x\n", read_c0_compare2());
len += sprintf(&page[len], "compare_3: %#10.8x\n", read_c0_compare3());
}
return len;
}
static struct proc_dir_entry* pnx8550_dir = NULL;
static struct proc_dir_entry* pnx8550_timers = NULL;
static struct proc_dir_entry* pnx8550_registers = NULL;
static int pnx8550_proc_init( void )
{
// Create /proc/pnx8550
pnx8550_dir = proc_mkdir("pnx8550", NULL);
if (!pnx8550_dir) {
printk(KERN_ERR "Can't create pnx8550 proc dir\n");
return -1;
}
// Create /proc/pnx8550/timers
pnx8550_timers = create_proc_read_entry(
"timers",
0,
pnx8550_dir,
pnx8550_timers_read,
NULL);
if (!pnx8550_timers)
printk(KERN_ERR "Can't create pnx8550 timers proc file\n");
// Create /proc/pnx8550/registers
pnx8550_registers = create_proc_read_entry(
"registers",
0,
pnx8550_dir,
pnx8550_registers_read,
NULL);
if (!pnx8550_registers)
printk(KERN_ERR "Can't create pnx8550 registers proc file\n");
return 0;
}
__initcall(pnx8550_proc_init);
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