[Hackndev-commit] SF.net SVN: hackndev: [1244] linux4palm/linux/trunk

[<mar...@us...>]

Revision: 1244
          http://hackndev.svn.sourceforge.net/hackndev/?rev=1244&view=rev
Author:   marex_z71
Date:     2007-08-18 13:13:05 -0700 (Sat, 18 Aug 2007)

Log Message:
-----------
PalmTX: border switch driver

Modified Paths:
--------------
    linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Kconfig
    linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Makefile
    linux4palm/linux/trunk/include/asm-arm/arch-pxa/palmtx-gpio.h

Added Paths:
-----------
    linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx_border.c

Modified: linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Kconfig
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Kconfig	2007-08-18 19:59:45 UTC (rev 1243)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Kconfig	2007-08-18 20:13:05 UTC (rev 1244)
@@ -33,3 +33,8 @@
         help
             This driver handles the CF/PCCARD/PCMCIA bus.
 
+config PALMTX_BORDER
+        tristate "Palm TX Display border switch"
+	depends on MACH_XSCALE_PALMTX
+	help
+            Enable support for turning LCD border on/off

Modified: linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Makefile
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Makefile	2007-08-18 19:59:45 UTC (rev 1243)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Makefile	2007-08-18 20:13:05 UTC (rev 1244)
@@ -6,3 +6,4 @@
 obj-$(CONFIG_PALMTX_BATTERY)		+= palmtx_battery.o
 obj-$(CONFIG_PALMTX_PM)			+= palmtx_pm.o
 obj-$(CONFIG_PALMTX_PCMCIA)      	+= palmtx_pcmcia.o
+obj-$(CONFIG_PALMTX_BORDER)             += palmtx_border.o

Added: linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx_border.c
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx_border.c	                        (rev 0)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx_border.c	2007-08-18 20:13:05 UTC (rev 1244)
@@ -0,0 +1,100 @@
+/*
+ *  Palm T|X LCD Border switch
+ *
+ *  Copyright (C) 2007 Marek Vasut <mar...@gm...>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#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/palmtx-gpio.h>
+
+static ssize_t palmtx_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_PALMTX_GPIO(BORDER_SELECT, 1);
+	else
+	    SET_PALMTX_GPIO(BORDER_SELECT, 0);
+
+	msleep(50);
+	SET_PALMTX_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_PALMTX_GPIO(BORDER_SWITCH, 0);
+
+	return count;
+}
+
+static ssize_t palmtx_border_read(struct device *dev, 
+				  struct device_attribute *attr,
+				  char *buf)
+{
+	return strlcpy(buf, GET_PALMTX_GPIO(BORDER_SELECT) ? "1\n" : "0\n", 3);
+}
+
+static DEVICE_ATTR(border_power, 0644, palmtx_border_read, palmtx_border_write);
+
+static struct attribute *palmtx_border_attrs[] = {
+	&dev_attr_border_power.attr,
+	NULL
+};
+
+static struct attribute_group palmtx_border_attr_group = {
+	.attrs	= palmtx_border_attrs,
+};
+
+static int __devinit palmtx_border_probe(struct platform_device *pdev)
+{
+	return sysfs_create_group(&pdev->dev.kobj, &palmtx_border_attr_group);
+}
+
+static int palmtx_border_remove(struct platform_device *pdev)
+{
+	sysfs_remove_group(&pdev->dev.kobj, &palmtx_border_attr_group);
+	return 0;
+}
+
+static struct platform_driver palmtx_border_driver = {
+	.probe 		= palmtx_border_probe,
+	.remove		= palmtx_border_remove,
+	.suspend 	= NULL,
+	.resume		= NULL,
+	.driver = {
+		.name 	= "palmtx-border",
+	}
+};
+
+static int __init palmtx_border_init(void)
+{
+	return platform_driver_register(&palmtx_border_driver);
+}
+
+static void palmtx_border_exit(void)
+{
+	platform_driver_unregister(&palmtx_border_driver);
+}
+
+module_init(palmtx_border_init);
+module_exit(palmtx_border_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Marek Vasut <mar...@gm...>");
+MODULE_DESCRIPTION("Palm T|X Border switch");

Modified: linux4palm/linux/trunk/include/asm-arm/arch-pxa/palmtx-gpio.h
===================================================================
--- linux4palm/linux/trunk/include/asm-arm/arch-pxa/palmtx-gpio.h	2007-08-18 19:59:45 UTC (rev 1243)
+++ linux4palm/linux/trunk/include/asm-arm/arch-pxa/palmtx-gpio.h	2007-08-18 20:13:05 UTC (rev 1244)
@@ -1,6 +1,4 @@
 /*
- * $Id$
- * 
  * GPIOs and interrupts for Palm TX Handheld Computer
  *
  * Based on palmld-gpio.h by Alex Osborne
@@ -23,6 +21,7 @@
 /*
  *   WORK IN PROGRESS
  */
+#include <asm/arch/pxa-regs.h>
 
 #ifndef _INCLUDE_PALMTX_GPIO_H_ 
 


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