1/* 2 * This program is free software; you can distribute it and/or modify it 3 * under the terms of the GNU General Public License (Version 2) as 4 * published by the Free Software Foundation. 5 * 6 * This program is distributed in the hope it will be useful, but WITHOUT 7 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 8 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 9 * for more details. 10 * 11 * You should have received a copy of the GNU General Public License along 12 * with this program; if not, write to the Free Software Foundation, Inc., 13 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. 14 */ 15#include <linux/init.h> 16#include <linux/proc_fs.h> 17#include <linux/irq.h> 18#include <linux/sched.h> 19#include <linux/interrupt.h> 20#include <linux/kernel_stat.h> 21#include <linux/random.h> 22 23#include <asm/io.h> 24#include <int.h> 25#include <uart.h> 26 27 28static int pnx8550_timers_read(char* page, char** start, off_t offset, int count, int* eof, void* data) 29{ 30 int len = 0; 31 int configPR = read_c0_config7(); 32 33 if (offset==0) { 34 len += sprintf(&page[len], "Timer: count, compare, tc, status\n"); 35 len += sprintf(&page[len], " 1: %11i, %8i, %1i, %s\n", 36 read_c0_count(), read_c0_compare(), 37 (configPR>>6)&0x1, ((configPR>>3)&0x1)? "off":"on"); 38 len += sprintf(&page[len], " 2: %11i, %8i, %1i, %s\n", 39 read_c0_count2(), read_c0_compare2(), 40 (configPR>>7)&0x1, ((configPR>>4)&0x1)? "off":"on"); 41 len += sprintf(&page[len], " 3: %11i, %8i, %1i, %s\n", 42 read_c0_count3(), read_c0_compare3(), 43 (configPR>>8)&0x1, ((configPR>>5)&0x1)? "off":"on"); 44 } 45 46 return len; 47} 48 49static int pnx8550_registers_read(char* page, char** start, off_t offset, int count, int* eof, void* data) 50{ 51 int len = 0; 52 53 if (offset==0) { 54 len += sprintf(&page[len], "config1: %#10.8x\n", read_c0_config1()); 55 len += sprintf(&page[len], "config2: %#10.8x\n", read_c0_config2()); 56 len += sprintf(&page[len], "config3: %#10.8x\n", read_c0_config3()); 57 len += sprintf(&page[len], "configPR: %#10.8x\n", read_c0_config7()); 58 len += sprintf(&page[len], "status: %#10.8x\n", read_c0_status()); 59 len += sprintf(&page[len], "cause: %#10.8x\n", read_c0_cause()); 60 len += sprintf(&page[len], "count: %#10.8x\n", read_c0_count()); 61 len += sprintf(&page[len], "count_2: %#10.8x\n", read_c0_count2()); 62 len += sprintf(&page[len], "count_3: %#10.8x\n", read_c0_count3()); 63 len += sprintf(&page[len], "compare: %#10.8x\n", read_c0_compare()); 64 len += sprintf(&page[len], "compare_2: %#10.8x\n", read_c0_compare2()); 65 len += sprintf(&page[len], "compare_3: %#10.8x\n", read_c0_compare3()); 66 } 67 68 return len; 69} 70 71static struct proc_dir_entry* pnx8550_dir; 72static struct proc_dir_entry* pnx8550_timers; 73static struct proc_dir_entry* pnx8550_registers; 74 75static int pnx8550_proc_init( void ) 76{ 77 78 // Create /proc/pnx8550 79 pnx8550_dir = proc_mkdir("pnx8550", NULL); 80 if (!pnx8550_dir) { 81 printk(KERN_ERR "Can't create pnx8550 proc dir\n"); 82 return -1; 83 } 84 85 // Create /proc/pnx8550/timers 86 pnx8550_timers = create_proc_read_entry( 87 "timers", 88 0, 89 pnx8550_dir, 90 pnx8550_timers_read, 91 NULL); 92 93 if (!pnx8550_timers) 94 printk(KERN_ERR "Can't create pnx8550 timers proc file\n"); 95 96 // Create /proc/pnx8550/registers 97 pnx8550_registers = create_proc_read_entry( 98 "registers", 99 0, 100 pnx8550_dir, 101 pnx8550_registers_read, 102 NULL); 103 104 if (!pnx8550_registers) 105 printk(KERN_ERR "Can't create pnx8550 registers proc file\n"); 106 107 return 0; 108} 109 110__initcall(pnx8550_proc_init); 111