Revision: 1303
http://hackndev.svn.sourceforge.net/hackndev/?rev=1303&view=rev
Author: z72ka
Date: 2007-09-10 01:13:39 -0700 (Mon, 10 Sep 2007)
Log Message:
-----------
palmz72: Added missing file
Added Paths:
-----------
linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_border.c
Added: linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_border.c
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_border.c (rev 0)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_border.c 2007-09-10 08:13:39 UTC (rev 1303)
@@ -0,0 +1,115 @@
+/*
+ * PalmOne Zire 72 LCD Border switch
+ * (Based on Palm LD LCD border switch)
+ *
+ * Author: Marek Vasut <mar...@gm...>
+ * Modification for Palm Zire 72: Jan Herman <z7...@ha...>
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+
+#include <asm/arch/hardware.h>
+#include <asm/arch/palmz72-gpio.h>
+
+static ssize_t palmz72_border_write(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ signed long state = simple_strtol(buf, NULL, 10);
+
+ if ( state >= 1 )
+ SET_PALMZ72_GPIO(BORDER_SELECT, 1);
+ else
+ SET_PALMZ72_GPIO(BORDER_SELECT, 0);
+
+ msleep(50);
+ SET_PALMZ72_GPIO(BORDER_SWITCH, 1);
+
+ if ((state == 1) || (state == 0)) /* default - switch border on/off */
+ msleep(200);
+ else { /* hidden functionality - colored border */
+ if (state >= 0)
+ msleep(state);
+ else
+ msleep(-state);
+ }
+
+ SET_PALMZ72_GPIO(BORDER_SWITCH, 0);
+
+ return count;
+}
+
+static ssize_t palmz72_border_read(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ return strlcpy(buf, GET_PALMZ72_GPIO(BORDER_SELECT) ? "1\n" : "0\n", 3);
+}
+
+static DEVICE_ATTR(border_power, 0644, palmz72_border_read, palmz72_border_write);
+
+static struct attribute *palmz72_border_attrs[] = {
+ &dev_attr_border_power.attr,
+ NULL
+};
+
+static struct attribute_group palmz72_border_attr_group = {
+ .attrs = palmz72_border_attrs,
+};
+
+static int __devinit palmz72_border_probe(struct platform_device *pdev)
+{
+ return sysfs_create_group(&pdev->dev.kobj, &palmz72_border_attr_group);
+}
+
+static int palmz72_border_remove(struct platform_device *pdev)
+{
+ sysfs_remove_group(&pdev->dev.kobj, &palmz72_border_attr_group);
+ return 0;
+}
+
+static struct platform_driver palmz72_border_driver = {
+ .probe = palmz72_border_probe,
+ .remove = palmz72_border_remove,
+ .suspend = NULL,
+ .resume = NULL,
+ .driver = {
+ .name = "palmz72-border",
+ }
+};
+
+static int __init palmz72_border_init(void)
+{
+ printk(KERN_INFO "LCD border driver registered\n");
+ return platform_driver_register(&palmz72_border_driver);
+}
+
+static void palmz72_border_exit(void)
+{
+ printk(KERN_INFO "LCD border driver unregistered\n");
+ platform_driver_unregister(&palmz72_border_driver);
+}
+
+module_init(palmz72_border_init);
+module_exit(palmz72_border_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jan Herman <z7...@ha...>");
+MODULE_DESCRIPTION("PalmOne Zire72 Border switch");
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