[Hackndev-commit] SF.net SVN: hackndev: [762] linux4palm/linux/trunk/arch/arm/mach-pxa/ palmz72/palmz72_pm.c

[<z7...@us...>]

Revision: 762
          http://svn.sourceforge.net/hackndev/?rev=762&view=rev
Author:   z72ka
Date:     2007-01-18 00:25:56 -0800 (Thu, 18 Jan 2007)

Log Message:
-----------
Palmz72: Added suspend/resume support

Added Paths:
-----------
    linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c

Added: linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c	                        (rev 0)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmz72/palmz72_pm.c	2007-01-18 08:25:56 UTC (rev 762)
@@ -0,0 +1,71 @@
+/*
+ * PalmOne Zire72 suspend/resume support
+ *
+ * Author: Jan Herman <2h...@se...>
+ *
+ * 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/kernel.h>
+#include <linux/device.h>
+#include <linux/pm.h>
+
+#include <asm/arch/pxa-pm_ll.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/pxa-regs.h>
+
+#include <asm/arch/palmz72-gpio.h>
+
+
+static void palmz72_pxa_ll_pm_suspend(unsigned long resume_addr)
+{
+
+	/* Wake up on Voice Memo button*/
+	PWER |= PWER_GPIO13;
+	/* Wake up on RTC alaram is possibile */
+	//PWER |= PWER_RTC;
+	PRER |= PWER_GPIO13;
+	
+	/* USB, in theory this can even wake us from deep sleep */	
+	PWER  |= PWER_GPIO15;
+	PFER  |= PWER_GPIO15;
+	PRER  |= PWER_GPIO15;
+
+	/* Turn off LCD power */
+	SET_PALMZ72_GPIO(LCD_POWER,0);
+	/* Turn off USB power */
+	SET_PALMZ72_GPIO(USB_POWER,0);
+
+ 
+	/* disable GPIO reset, palm bootloader will hang us */
+	//PCFR |= PCFR_GPR_EN | PCFR_OPDE;
+	PCFR &= PCFR_GPR_EN;
+	
+        return;
+}
+
+static void palmz72_pxa_ll_pm_resume(void)
+{
+	
+	/* re-enable GPIO reset */
+	PCFR |= PCFR_GPR_EN;
+
+	/* Turn on LCD power */
+	SET_PALMZ72_GPIO(LCD_POWER,1);
+	
+	/* Turn on USB power */
+	SET_PALMZ72_GPIO(USB_POWER,1);
+}
+
+struct pxa_ll_pm_ops palmz72_ll_pm_ops = {
+        .suspend = palmz72_pxa_ll_pm_suspend,
+        .resume  = palmz72_pxa_ll_pm_resume,
+};
+
+MODULE_AUTHOR("Jan Herman <2h...@se...>");
+MODULE_DESCRIPTION("PalmOne Zire72 suspend/resume support driver");
+MODULE_LICENSE("GPL");
+


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