Openwrt/openwrt/target/linux/linux-2.4/patches/brcm/004-diag_led.patch

diff -Nur linux-2.4.30/drivers/net/diag/Makefile linux-2.4.30.openwrt/drivers/net/diag/Makefile
--- linux-2.4.30/drivers/net/diag/Makefile	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.4.30.openwrt/drivers/net/diag/Makefile	2005-06-28 11:35:26.000000000 +0200
@@ -0,0 +1,13 @@
+#$Id$
+
+EXTRA_CFLAGS := -I$(TOPDIR)/arch/mips/bcm947xx/include -DBCMDRIVER
+
+O_TARGET       := diag.o
+
+MAC_OBJS       := diag_led.o
+
+export-objs    := 
+obj-y          := $(MAC_OBJS)
+obj-m          := $(O_TARGET)
+
+include $(TOPDIR)/Rules.make
diff -Nur linux-2.4.30/drivers/net/diag/diag_led.c linux-2.4.30.openwrt/drivers/net/diag/diag_led.c
--- linux-2.4.30/drivers/net/diag/diag_led.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.4.30.openwrt/drivers/net/diag/diag_led.c	2005-06-28 11:35:26.000000000 +0200
@@ -0,0 +1,244 @@
+/*
+ * 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: diag_led.c,v 1.5 2005/04/18 09:05:24 mbm Exp $
+ */
+
+/*
+ * 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 <bcmdevs.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);