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[Hackndev-commit] SF.net SVN: hackndev: [645] linux4palm/linux/trunk
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From: <cri...@us...> - 2006-10-23 21:52:46
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Revision: 645
http://svn.sourceforge.net/hackndev/?rev=645&view=rev
Author: cristianop
Date: 2006-10-23 14:52:29 -0700 (Mon, 23 Oct 2006)
Log Message:
-----------
palmtx: adedd (experimental) support for backlight and for LCD
Modified Paths:
--------------
linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Kconfig
linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Makefile
linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx.c
linux4palm/linux/trunk/include/asm-arm/arch-pxa/palmtx-gpio.h
Added Paths:
-----------
linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx_lcd.c
Modified: linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Kconfig
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Kconfig 2006-10-23 21:46:19 UTC (rev 644)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Kconfig 2006-10-23 21:52:29 UTC (rev 645)
@@ -14,6 +14,15 @@
Enable support for WM9712 touchscreen and battery for
the Palm TX PDA
+config PALMTX_LCD
+ tristate "Palm TX LCD driver"
+ select BACKLIGHT_LCD_SUPPORT
+ depends on MACH_XSCALE_PALMTX
+ default y if MACH_XSCALE_PALMTX
+ help
+ LCD driver for Palm TX.
+ Enable support for switching the Palm TX LCD on/off
+
config PALMTX_PCMCIA
tristate "Palm TX PCMCIA driver"
depends on MACH_XSCALE_PALMTX
Modified: linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Makefile
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Makefile 2006-10-23 21:46:19 UTC (rev 644)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Makefile 2006-10-23 21:52:29 UTC (rev 645)
@@ -4,4 +4,5 @@
#
obj-$(CONFIG_MACH_XSCALE_PALMTX) += palmtx.o
obj-$(CONFIG_PALMTX_AC97) += palmld_ac97.o
+obj-$(CONFIG_PALMTX_LCD) += palmtx_lcd.o
#obj-$(CONFIG_PALMTX_PCMCIA) += palmtx_pcmcia.o
Modified: linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx.c
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx.c 2006-10-23 21:46:19 UTC (rev 644)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx.c 2006-10-23 21:52:29 UTC (rev 645)
@@ -23,6 +23,7 @@
#include <linux/platform_device.h>
#include <linux/fb.h>
#include <linux/input.h>
+#include <linux/delay.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -148,6 +149,20 @@
// backlight
+static void palmtx_bl_on(void){
+ //printk("palmtx: turning backlight on\n");
+ SET_GPIO(GPIO_NR_PALMTX_BL_POWER, 1);
+ //printk("GPIO_NR_PALMTX_BL_POWER: %d\n",GET_GPIO(GPIO_NR_PALMTX_BL_POWER));
+ mdelay(50);
+}
+
+static void palmtx_bl_off(void){
+ //printk("palmtx: turning backlight off\n");
+ SET_GPIO(GPIO_NR_PALMTX_BL_POWER, 0);
+ //printk("GPIO_NR_PALMTX_BL_POWER: %d\n",GET_GPIO(GPIO_NR_PALMTX_BL_POWER));
+ mdelay(50);
+}
+
static struct pxapwmbl_platform_data palmtx_backlight_data = {
.pwm = 0,
.max_intensity = 0x16c,
@@ -155,6 +170,8 @@
.limit_mask = 0x6d,
.prescaler = 7,
.period = 0x16c,
+ .turn_bl_on = palmtx_bl_on,
+ .turn_bl_off = palmtx_bl_off,
};
static struct platform_device palmtx_backlight = {
@@ -164,7 +181,12 @@
},
};
+// LCD
+static struct platform_device palmtx_lcd = {
+ .name = "palmtx-lcd",
+};
+
/**
* IRDA
*/
@@ -298,6 +320,7 @@
&palmtx_keypad,
&palmtx_ac97,
&palmtx_backlight,
+ &palmtx_lcd,
};
@@ -312,7 +335,7 @@
*
*/
-static struct pxafb_mach_info palmtx_lcd __initdata = {
+static struct pxafb_mach_info palmtx_fb __initdata = {
.pixclock = 80000,
.xres = 320, // PPL + 1
.yres = 480, // LPP + 1
@@ -390,7 +413,7 @@
pxa_gpio_mode(GPIO30_SDATA_OUT_AC97_MD);
pxa_gpio_mode(GPIO31_SYNC_AC97_MD);
- set_pxa_fb_info(&palmtx_lcd);
+ set_pxa_fb_info(&palmtx_fb);
pxa_set_mci_info( &palmtx_mci_platform_data );
pxa_set_udc_info(&palmtx_udc_mach_info);
Added: linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx_lcd.c
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx_lcd.c (rev 0)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx_lcd.c 2006-10-23 21:52:29 UTC (rev 645)
@@ -0,0 +1,154 @@
+/*
+ * Palm TX LCD driver
+ *
+ * Based on Asus MyPal 716 LCD and Backlight driver
+ *
+ * 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/init.h>
+#include <linux/notifier.h>
+#include <linux/lcd.h>
+#include <linux/fb.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach-types.h>
+
+#include <asm/hardware.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/pxafb.h>
+
+#include <asm/arch/palmtx-gpio.h>
+#include <asm/arch/palmtx-init.h>
+
+static int lcd_power;
+
+int palmtx_lcd_set_power(struct lcd_device *lm, int level)
+{
+ switch (level) {
+ case FB_BLANK_UNBLANK:
+ case FB_BLANK_NORMAL:
+ // this is very likely incomplete !!!
+ printk("palmtx_lcd: turning LCD on\n");
+ SET_GPIO(GPIO_NR_PALMTX_LCD_POWER, 1);
+ mdelay(70);
+ break;
+ case FB_BLANK_VSYNC_SUSPEND:
+ case FB_BLANK_HSYNC_SUSPEND:
+ break;
+ case FB_BLANK_POWERDOWN:
+ // this is very likely incomplete !!!
+ printk("palmtx_lcd: turning LCD off\n");
+ SET_GPIO(GPIO_NR_PALMTX_LCD_POWER, 0);
+ mdelay(65);
+ break;
+ }
+
+ lcd_power = level;
+
+ return 0;
+}
+
+static int palmtx_lcd_get_power(struct lcd_device *lm)
+{
+ printk("palmtx_lcd: power is set to %d", lcd_power);
+ return lcd_power;
+}
+
+struct lcd_properties palmtx_lcd_properties =
+{
+ .owner = THIS_MODULE,
+ .set_power = palmtx_lcd_set_power,
+ .get_power = palmtx_lcd_get_power,
+};
+
+static struct lcd_device *pxafb_lcd_device;
+
+
+int palmtx_lcd_probe(struct device *dev)
+{
+ if (!machine_is_xscale_palmtx())
+ return -ENODEV;
+
+ pxafb_lcd_device = lcd_device_register("pxafb", NULL, &palmtx_lcd_properties);
+
+ if (IS_ERR(pxafb_lcd_device)){
+ printk("palmtx_lcd_probe: cannot register LCD device\n");
+ return -ENOMEM;
+ }
+
+ printk ("palmtx LCD driver registered\n");
+
+ return 0;
+}
+
+static int palmtx_lcd_remove(struct device *dev)
+{
+ lcd_device_unregister(pxafb_lcd_device);
+ printk ("palmtx LCD driver unregistered\n");
+ return 0;
+}
+
+#ifdef CONFIG_PM
+
+static int palmtx_lcd_suspend(struct device *dev, pm_message_t state)
+{
+ struct pm_save_data *save;
+
+ if (!dev->power.saved_state)
+ dev->power.saved_state = kmalloc(sizeof(struct pm_save_data), GFP_KERNEL);
+ if (!dev->power.saved_state)
+ return -ENOMEM;
+ save = dev->power.saved_state;
+ return 0;
+}
+
+static int palmtx_lcd_resume(struct device *dev)
+{
+ if (dev->power.saved_state) {
+ struct pm_save_data *save = dev->power.saved_state;
+ kfree(dev->power.saved_state);
+ dev->power.saved_state = NULL;
+ }
+
+ return 0;
+}
+#endif
+
+static struct device_driver palmtx_lcd_driver = {
+ .name = "palmtx-lcd",
+ .bus = &platform_bus_type,
+ .probe = palmtx_lcd_probe,
+ .remove = palmtx_lcd_remove,
+#ifdef CONFIG_PM
+ .suspend = palmtx_lcd_suspend,
+ .resume = palmtx_lcd_resume,
+#endif
+};
+
+static int palmtx_lcd_init(void)
+{
+ if (!machine_is_xscale_palmtx())
+ return -ENODEV;
+
+ return driver_register(&palmtx_lcd_driver);
+}
+
+static void palmtx_lcd_exit(void)
+{
+ lcd_device_unregister(pxafb_lcd_device);
+ driver_unregister(&palmtx_lcd_driver);
+}
+
+module_init(palmtx_lcd_init);
+module_exit(palmtx_lcd_exit);
+
+MODULE_DESCRIPTION("LCD driver for Palm TX");
+MODULE_LICENSE("GPL");
Property changes on: linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx_lcd.c
___________________________________________________________________
Name: svn:executable
+ *
Modified: linux4palm/linux/trunk/include/asm-arm/arch-pxa/palmtx-gpio.h
===================================================================
--- linux4palm/linux/trunk/include/asm-arm/arch-pxa/palmtx-gpio.h 2006-10-23 21:46:19 UTC (rev 644)
+++ linux4palm/linux/trunk/include/asm-arm/arch-pxa/palmtx-gpio.h 2006-10-23 21:52:29 UTC (rev 645)
@@ -64,6 +64,9 @@
#define GPIO_NR_PALMTX_USB_POWER 95
#define GPIO_NR_PALMTX_USB_PULLUP 93
+#define GPIO_NR_PALMTX_BL_POWER 84
+#define GPIO_NR_PALMTX_LCD_POWER 96
+
/* INTERRUPTS */
#define IRQ_GPIO_PALMTX_SD_DETECT_N IRQ_GPIO(GPIO_NR_PALMTX_SD_DETECT_N)
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