From 1dfdb01703ee80d615586a72d3e8de29d5c9c97e Mon Sep 17 00:00:00 2001
From: mbm <mbm@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Sat, 31 Jul 2004 07:30:57 +0000
Subject: restructure; cleanup

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@120 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 obsolete-buildroot/sources/openwrt/kernel/diag.c | 145 +++++++++++++++++++++++
 1 file changed, 145 insertions(+)
 create mode 100644 obsolete-buildroot/sources/openwrt/kernel/diag.c

(limited to 'obsolete-buildroot/sources/openwrt/kernel/diag.c')

diff --git a/obsolete-buildroot/sources/openwrt/kernel/diag.c b/obsolete-buildroot/sources/openwrt/kernel/diag.c
new file mode 100644
index 000000000..6d93542f8
--- /dev/null
+++ b/obsolete-buildroot/sources/openwrt/kernel/diag.c
@@ -0,0 +1,145 @@
+// 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);
-- 
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