111 lines
3.8 KiB
C
111 lines
3.8 KiB
C
/*
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* This program is free software; you can distribute it and/or modify it
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* under the terms of the GNU General Public License (Version 2) as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
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*/
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#include <linux/init.h>
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#include <linux/proc_fs.h>
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#include <linux/irq.h>
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#include <linux/sched.h>
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#include <linux/interrupt.h>
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#include <linux/kernel_stat.h>
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#include <linux/random.h>
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#include <asm/io.h>
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#include <int.h>
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#include <uart.h>
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static int pnx8550_timers_read(char* page, char** start, off_t offset, int count, int* eof, void* data)
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{
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int len = 0;
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int configPR = read_c0_config7();
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if (offset==0) {
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len += sprintf(&page[len], "Timer: count, compare, tc, status\n");
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len += sprintf(&page[len], " 1: %11i, %8i, %1i, %s\n",
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read_c0_count(), read_c0_compare(),
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(configPR>>6)&0x1, ((configPR>>3)&0x1)? "off":"on");
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len += sprintf(&page[len], " 2: %11i, %8i, %1i, %s\n",
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read_c0_count2(), read_c0_compare2(),
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(configPR>>7)&0x1, ((configPR>>4)&0x1)? "off":"on");
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len += sprintf(&page[len], " 3: %11i, %8i, %1i, %s\n",
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read_c0_count3(), read_c0_compare3(),
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(configPR>>8)&0x1, ((configPR>>5)&0x1)? "off":"on");
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}
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return len;
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}
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static int pnx8550_registers_read(char* page, char** start, off_t offset, int count, int* eof, void* data)
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{
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int len = 0;
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if (offset==0) {
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len += sprintf(&page[len], "config1: %#10.8x\n", read_c0_config1());
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len += sprintf(&page[len], "config2: %#10.8x\n", read_c0_config2());
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len += sprintf(&page[len], "config3: %#10.8x\n", read_c0_config3());
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len += sprintf(&page[len], "configPR: %#10.8x\n", read_c0_config7());
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len += sprintf(&page[len], "status: %#10.8x\n", read_c0_status());
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len += sprintf(&page[len], "cause: %#10.8x\n", read_c0_cause());
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len += sprintf(&page[len], "count: %#10.8x\n", read_c0_count());
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len += sprintf(&page[len], "count_2: %#10.8x\n", read_c0_count2());
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len += sprintf(&page[len], "count_3: %#10.8x\n", read_c0_count3());
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len += sprintf(&page[len], "compare: %#10.8x\n", read_c0_compare());
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len += sprintf(&page[len], "compare_2: %#10.8x\n", read_c0_compare2());
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len += sprintf(&page[len], "compare_3: %#10.8x\n", read_c0_compare3());
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}
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return len;
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}
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static struct proc_dir_entry* pnx8550_dir;
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static struct proc_dir_entry* pnx8550_timers;
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static struct proc_dir_entry* pnx8550_registers;
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static int pnx8550_proc_init( void )
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{
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// Create /proc/pnx8550
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pnx8550_dir = proc_mkdir("pnx8550", NULL);
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if (!pnx8550_dir) {
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printk(KERN_ERR "Can't create pnx8550 proc dir\n");
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return -1;
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}
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// Create /proc/pnx8550/timers
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pnx8550_timers = create_proc_read_entry(
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"timers",
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0,
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pnx8550_dir,
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pnx8550_timers_read,
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NULL);
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if (!pnx8550_timers)
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printk(KERN_ERR "Can't create pnx8550 timers proc file\n");
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// Create /proc/pnx8550/registers
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pnx8550_registers = create_proc_read_entry(
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"registers",
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0,
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pnx8550_dir,
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pnx8550_registers_read,
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NULL);
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if (!pnx8550_registers)
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printk(KERN_ERR "Can't create pnx8550 registers proc file\n");
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return 0;
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}
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__initcall(pnx8550_proc_init);
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