mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-14 10:25:57 +02:00
146 lines
2.7 KiB
C
146 lines
2.7 KiB
C
// replacement diag module
|
|
// (c) 2004 openwrt
|
|
// mbm at alt dot org
|
|
//
|
|
// initial release 2004/03/28
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/timer.h>
|
|
#include <linux/sysctl.h>
|
|
#include <asm/io.h>
|
|
#include <typedefs.h>
|
|
#include <bcm4710.h>
|
|
#include <sbutils.h>
|
|
|
|
static void *sbh;
|
|
|
|
// v2.x - - - - -
|
|
#define DIAG_GPIO (1<<1)
|
|
#define DMZ_GPIO (1<<7)
|
|
|
|
static void set_gpio(uint32 mask, uint32 value) {
|
|
sb_gpiocontrol(sbh,mask,0);
|
|
sb_gpioouten(sbh,mask,mask);
|
|
sb_gpioout(sbh,mask,value);
|
|
}
|
|
|
|
static void v2_set_diag(u8 state) {
|
|
set_gpio(DIAG_GPIO,state);
|
|
}
|
|
static void v2_set_dmz(u8 state) {
|
|
set_gpio(DMZ_GPIO,state);
|
|
}
|
|
|
|
// v1.x - - - - -
|
|
#define LED_DIAG 0x13
|
|
#define LED_DMZ 0x12
|
|
|
|
static void v1_set_diag(u8 state) {
|
|
if (!state) {
|
|
*(volatile u8*)(KSEG1ADDR(BCM4710_EUART)+LED_DIAG)=0xFF;
|
|
} else {
|
|
*(volatile u8*)(KSEG1ADDR(BCM4710_EUART)+LED_DIAG);
|
|
}
|
|
}
|
|
static void v1_set_dmz(u8 state) {
|
|
if (!state) {
|
|
*(volatile u8*)(KSEG1ADDR(BCM4710_EUART)+LED_DMZ)=0xFF;
|
|
} else {
|
|
*(volatile u8*)(KSEG1ADDR(BCM4710_EUART)+LED_DMZ);
|
|
}
|
|
}
|
|
|
|
// - - - - -
|
|
static void ignore(u8 ignored) {};
|
|
|
|
// - - - - -
|
|
#define BIT_DMZ 0x01
|
|
#define BIT_DIAG 0x04
|
|
|
|
void (*set_diag)(u8 state);
|
|
void (*set_dmz)(u8 state);
|
|
|
|
static unsigned int diag = 0;
|
|
static struct timer_list timer;
|
|
|
|
static void diag_change()
|
|
{
|
|
printk(KERN_INFO "led -> %02x\n",diag);
|
|
|
|
set_diag(0xFF); // off
|
|
set_dmz(0xFF); // off
|
|
|
|
if(diag & BIT_DIAG)
|
|
set_diag(0x00); // on
|
|
if(diag & BIT_DMZ)
|
|
set_dmz(0x00); // on
|
|
}
|
|
|
|
static int proc_diag(ctl_table *table, int write, struct file *filp,
|
|
void *buffer, size_t *lenp)
|
|
{
|
|
int r;
|
|
r = proc_dointvec(table, write, filp, buffer, lenp);
|
|
if (write && !r) {
|
|
diag_change();
|
|
}
|
|
return r;
|
|
}
|
|
|
|
// - - - - -
|
|
static struct ctl_table_header *diag_sysctl_header;
|
|
|
|
static ctl_table sys_diag[] = {
|
|
{
|
|
ctl_name: 2000,
|
|
procname: "diag",
|
|
data: &diag,
|
|
maxlen: sizeof(diag),
|
|
mode: 0644,
|
|
proc_handler: proc_diag
|
|
},
|
|
{ 0 }
|
|
};
|
|
|
|
static int __init diag_init()
|
|
{
|
|
u32 board_type;
|
|
sbh = sb_kattach();
|
|
sb_gpiosetcore(sbh);
|
|
|
|
board_type = sb_boardtype(sbh);
|
|
printk(KERN_INFO "diag board_type: %08x\n",board_type);
|
|
|
|
if (board_type & 0x400) {
|
|
set_diag=v1_set_diag;
|
|
set_dmz=v1_set_dmz;
|
|
if (board_type==0x41d) {
|
|
printk(KERN_INFO "buffalo hack.\n");
|
|
set_diag=ignore;
|
|
set_dmz=v2_set_dmz;
|
|
}
|
|
board_type=1;
|
|
} else {
|
|
board_type=2;
|
|
set_diag=v2_set_diag;
|
|
set_dmz=v2_set_dmz;
|
|
}
|
|
printk(KERN_INFO "using v%d hardware\n",board_type);
|
|
|
|
diag_sysctl_header = register_sysctl_table(sys_diag, 0);
|
|
diag_change();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __exit diag_exit()
|
|
{
|
|
unregister_sysctl_table(diag_sysctl_header);
|
|
del_timer(&timer);
|
|
}
|
|
|
|
module_init(diag_init);
|
|
module_exit(diag_exit);
|