mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-24 07:01:44 +02:00
6c5f009835
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@673 3c298f89-4303-0410-b956-a3cf2f4a3e73
245 lines
5.1 KiB
C
245 lines
5.1 KiB
C
/*
|
|
* diag_led.c - replacement diag module
|
|
*
|
|
* Copyright (C) 2004 Mike Baker,
|
|
* Imre Kaloz <kaloz@dune.hu>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that 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.
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
/*
|
|
* ChangeLog:
|
|
* 2004/03/28 initial release
|
|
* 2004/08/26 asus & buffalo support added
|
|
* 2005/03/14 asus wl-500g deluxe and buffalo v2 support added
|
|
* 2005/04/13 added licensing informations
|
|
* 2005/04/18 base reset polarity off initial readings
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/sysctl.h>
|
|
#include <asm/io.h>
|
|
#include <typedefs.h>
|
|
#include <bcm4710.h>
|
|
#include <sbutils.h>
|
|
|
|
extern char * nvram_get(const char *name);
|
|
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 void diag_change()
|
|
{
|
|
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 unsigned char reset_gpio = 0;
|
|
static unsigned char reset_polarity = 0;
|
|
static unsigned int reset = 0;
|
|
|
|
static int proc_reset(ctl_table *table, int write, struct file *filp,
|
|
void *buffer, size_t *lenp)
|
|
{
|
|
|
|
if (reset_gpio) {
|
|
sb_gpiocontrol(sbh,reset_gpio,reset_gpio);
|
|
sb_gpioouten(sbh,reset_gpio,0);
|
|
reset=!(sb_gpioin(sbh)&reset_gpio);
|
|
|
|
if (reset_polarity) reset=!reset;
|
|
} else {
|
|
reset=0;
|
|
}
|
|
|
|
return proc_dointvec(table, write, filp, buffer, lenp);
|
|
}
|
|
|
|
// - - - - -
|
|
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
|
|
},
|
|
{
|
|
ctl_name: 2001,
|
|
procname: "reset",
|
|
data: &reset,
|
|
maxlen: sizeof(reset),
|
|
mode: 0444,
|
|
proc_handler: proc_reset
|
|
},
|
|
{ 0 }
|
|
};
|
|
|
|
static int __init diag_init()
|
|
{
|
|
char *buf;
|
|
u32 board_type;
|
|
sbh = sb_kattach();
|
|
sb_gpiosetcore(sbh);
|
|
|
|
board_type = sb_boardtype(sbh);
|
|
printk(KERN_INFO "diag boardtype: %08x\n",board_type);
|
|
|
|
set_diag=ignore;
|
|
set_dmz=ignore;
|
|
|
|
if ((board_type & 0xf00) == 0x400) {
|
|
buf=nvram_get("boardtype")?:"";
|
|
if (!strcmp(buf,"bcm94710dev")) {
|
|
buf=nvram_get("boardnum")?:"";
|
|
if (!strcmp(buf,"42")) {
|
|
// wrt54g v1.x
|
|
set_diag=v1_set_diag;
|
|
set_dmz=v1_set_dmz;
|
|
reset_gpio=(1<<6);
|
|
}
|
|
if (!strcmp(buf,"asusX")) {
|
|
//asus wl-500g
|
|
reset_gpio=(1<<6);
|
|
}
|
|
}
|
|
if (!strcmp(buf,"bcm94710ap")) {
|
|
buf=nvram_get("boardnum")?:"";
|
|
if (!strcmp(buf,"42")) {
|
|
// buffalo
|
|
set_dmz=v2_set_dmz;
|
|
reset_gpio=(1<<4);
|
|
}
|
|
if (!strcmp(buf,"44")) {
|
|
//dell truemobile
|
|
set_dmz=v2_set_dmz;
|
|
reset_gpio=(1<<0);
|
|
}
|
|
}
|
|
} else {
|
|
buf=nvram_get("boardnum")?:"";
|
|
if (!strcmp(buf,"42")) {
|
|
//linksys
|
|
set_diag=v2_set_diag;
|
|
set_dmz=v2_set_dmz;
|
|
reset_gpio=(1<<6);
|
|
}
|
|
if (!strcmp(buf,"44")) {
|
|
//motorola
|
|
reset_gpio=(1<<5);
|
|
}
|
|
if (!strcmp(buf,"00")) {
|
|
//buffalo
|
|
reset_gpio=(1<<7);
|
|
}
|
|
if (!strcmp(buf,"45")) {
|
|
//wl-500g deluxe
|
|
reset_gpio=(1<<6);
|
|
}
|
|
}
|
|
|
|
|
|
sb_gpiocontrol(sbh,reset_gpio,reset_gpio);
|
|
sb_gpioouten(sbh,reset_gpio,0);
|
|
reset_polarity=!(sb_gpioin(sbh)&reset_gpio);
|
|
|
|
diag_sysctl_header = register_sysctl_table(sys_diag, 0);
|
|
diag_change();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __exit diag_exit()
|
|
{
|
|
unregister_sysctl_table(diag_sysctl_header);
|
|
}
|
|
|
|
EXPORT_NO_SYMBOLS;
|
|
MODULE_AUTHOR("openwrt.org");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
module_init(diag_init);
|
|
module_exit(diag_exit);
|