patch-2.4.25 linux-2.4.25/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_led.c

• Lines: 74
• Date: 2004-02-18 05:36:30.000000000 -0800
• Orig file: linux-2.4.24/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_led.c
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.24/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_led.c linux-2.4.25/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_led.c
@@ -0,0 +1,73 @@
+/*
+ * linux/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_led.c
+ *
+ * RBTX4927 Status LED toggle
+ *
+ * Copyright (C) 2003 TimeSys Corp.
+ *                    S. James Hill (James.Hill@timesys.com)
+ *                                  (sjhill@realitydiluted.com)
+ *
+ *  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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ *  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ *  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ *  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+ *  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  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.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <linux/init.h>
+#include <asm/io.h>
+#include <asm/timex.h>
+#include <asm/tx4927/toshiba_rbtx4927.h>
+
+static struct led_state {
+	struct timer_list timer;
+	unsigned char val123;
+	unsigned long val45;
+} led_state;
+
+void led_toggle (unsigned long v)
+{
+	struct led_state *l = (struct led_state *) v;
+
+	writeb(l->val123, RBTX4927_STATUS_LED_123);
+	writel(l->val45, RBTX4927_STATUS_LED_45);
+
+	l->val123 = ~l->val123;
+	l->val45 = ~l->val45;
+
+	l->timer.expires = jiffies + HZ;
+	add_timer(&l->timer);
+}
+
+int __init led_setup (void)
+{
+	led_state.val123 = 0xfd;
+#ifdef __MIPSEB__
+	led_state.val45 = 0x5a000000;
+#else
+	led_state.val45 = 0x0000005a;
+#endif
+
+	led_state.timer.data = (unsigned long) &led_state;
+	led_state.timer.expires = jiffies + HZ;
+	init_timer(&led_state.timer);
+	led_state.timer.function = led_toggle;
+	add_timer(&led_state.timer);
+
+	return 0;
+}
+
+__initcall (led_setup);