Now i have but the LCD Stuff from aximx50.c to a separate aximx50_lcd.c. We
only have to find a display detection method now.
defconfigman file and kernel sources patch is included.
regards,
patrick
On Friday, 6. July 2007 18:13:40 Patrick Steiner wrote:
> hi,
>
> has anyone a idea how we can detect if its a vga or qvga axim on kernel
> base? perhaps there is any GPIO?
>
> So we can build one Kernel for the device.
> --
> Patrick Steiner | [EMAIL PROTECTED]
> ICQ: 128261350
> WWW: http://helmsdeep.homelinux.net/~pat
>
> working on (tux4u.skynet):
> Fedora release 7 (Moonshine)
> GNU/Linux 2.6.21-1.3228.fc7
--
Patrick Steiner | [EMAIL PROTECTED]
ICQ: 128261350
WWW: http://helmsdeep.homelinux.net/~pat
working on (tux4u.skynet):
Fedora release 7 (Moonshine)
GNU/Linux 2.6.21-1.3228.fc7
# Config file for the Dell Aximx50v and the Aximx51v
include machine/hardware.conf
include machine/crossport.conf
# Some unalienable parts, like CPU/Perephiral controllers
[machine.builtin]
hw.cpu.pxa27x=y
MACH_X50=y
DRAM_BASE=0xa8000000
# Screen
[machine.lcd]
FB_PXA=y
X50_LCD=y
X50_VGA=y
kernel.fonts.vga = y
# Screen goes with backlight
[machine.backlight]
BACKLIGHT_CORGI = $1
# Other HID output
[machine.leds]
LEDS_TRIGGER_HWTIMER=y
# Sound is a related but separate thing, of course ;-)
[machine.sound]
# HID input
[machine.keys]
X50_BUTTONS=y
[machine.touchscreen]
driver.input.ts.adc-debounce ?= $1
X50_TS = $1
# Builtin non-volatile storage
[machine.flash]
# External device interfaces, in particular, secondary storage
[machine.mmc]
MMC_PXA=$1
[machine.pcmcia]
# Communicational interfaces
[machine.usb.client]
driver.pxa27x.udc ?= $1
[machine.usb.host]
[machine.serial]
[machine.irda]
[machine.bluetooth]
[machine.wifi]
[machine.phone]
# Machine support stuff
[machine.adc]
ADC_ADS7846_SSP=y
[machine.battery]
driver.subsys.power.pda = $1
[machine.hwmon]
[machine.rtc]
/*
* LCD support for Dell Aximx50(v)
*
* Copyright (c) 2007 Patrick Steiner
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive for
* more details.
*
* 06-Jul-2007 Patrick Steiner <[EMAIL PROTECTED]>
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/notifier.h>
#include <linux/lcd.h>
#include <linux/err.h>
#include <linux/delay.h>
#include <linux/fb.h>
#include <linux/platform_device.h>
#include <asm/gpio.h>
#include <asm/arch/aximx50.h>
#include <asm/mach-types.h>
#include <asm/arch/pxa-regs.h>
#include <asm/arch/pxafb.h>
static int lcd_vga;
/* Axim X50 VGA Version */
static struct pxafb_mode_info aximx50_pxafb_modes_vga[] = {
{
.pixclock = 96153,
.bpp = 16,
.xres = 480,
.yres = 640,
.hsync_len = 64,
.vsync_len = 5,
.left_margin = 17,
.upper_margin = 1,
.right_margin = 87,
.lower_margin = 4,
},
};
static struct pxafb_mach_info aximx50_fb_info_vga = {
.modes = aximx50_pxafb_modes_vga,
.num_modes = ARRAY_SIZE(aximx50_pxafb_modes_vga),
.lccr0 = LCCR0_ENB | LCCR0_LDM | // 0x9
LCCR0_SFM | LCCR0_IUM | LCCR0_EFM | LCCR0_Act | // 0xf
LCCR0_QDM | // 0x8
// 0x0
// 0x0
LCCR0_BM | LCCR0_OUM | LCCR0_RDSTM | // 0xb
LCCR0_CMDIM // 0x1
, // 0x0
//0x01b008f9,
.lccr3 = 0x04f00001,
};
/* Axim X50 QVGA Version */
static struct pxafb_mode_info aximx50_pxafb_modes_qvga[] = {
{
.pixclock = 96153,
.bpp = 16,
.xres = 240,
.yres = 320,
.hsync_len = 20,
.vsync_len = 4,
.left_margin = 59,
.upper_margin = 4,
.right_margin = 16,
.lower_margin = 0,
},
};
static struct pxafb_mach_info aximx50_fb_info_qvga = {
.modes = aximx50_pxafb_modes_qvga,
.num_modes = ARRAY_SIZE(aximx50_pxafb_modes_qvga),
.lccr0 = LCCR0_ENB | LCCR0_LDM | // 0x9
LCCR0_SFM | LCCR0_IUM | LCCR0_EFM | LCCR0_Act | // 0xf
LCCR0_QDM | // 0x8
// 0x0
// 0x0
LCCR0_BM | LCCR0_OUM // 0x3
// 0x0
, // 0x0
//0x003008f9,
.lccr3 = 0x04900008,
};
static int aximx50_lcd_probe(struct platform_device *dev)
{
#ifdef CONFIG_X50_VGA
lcd_vga = 1;
#endif
if (lcd_vga) {
printk(KERN_NOTICE "DELL AXIMX50 VGA LCD driver\n");
set_pxa_fb_info(&aximx50_fb_info_vga);
} else {
printk(KERN_NOTICE "DELL AXIMX50 QVGA LCD driver\n");
set_pxa_fb_info(&aximx50_fb_info_qvga);
}
return 0;
}
static int aximx50_lcd_remove(struct platform_device *dev)
{
return 0;
}
#ifdef CONFIG_PM
static int aximx50_lcd_suspend(struct platform_device *dev, pm_message_t state)
{
return 0;
}
static int aximx50_lcd_resume(struct platform_device *dev)
{
return 0;
}
#endif
static struct platform_driver aximx50_lcd_driver = {
.driver = {
.name = "aximx50-lcd",
},
.probe = aximx50_lcd_probe,
.remove = aximx50_lcd_remove,
#ifdef CONFIG_PM
.suspend = aximx50_lcd_suspend,
.resume = aximx50_lcd_resume,
#endif
};
static __init int aximx50_lcd_init(void)
{
if (!machine_is_x50())
return -ENODEV;
return platform_driver_register(&aximx50_lcd_driver);
}
static __exit void aximx50_lcd_exit(void)
{
platform_driver_unregister(&aximx50_lcd_driver);
}
module_init(aximx50_lcd_init);
module_exit(aximx50_lcd_exit);
MODULE_AUTHOR("Patrick Steiner <[EMAIL PROTECTED]>");
MODULE_DESCRIPTION("DELL AXIMX50 LCD driver");
MODULE_LICENSE("GPL");
diff -ur kernel26_ori/arch/arm/mach-pxa/aximx50/aximx50.c kernel26/arch/arm/mach-pxa/aximx50/aximx50.c
--- kernel26_ori/arch/arm/mach-pxa/aximx50/aximx50.c 2007-06-17 10:52:55.000000000 +0200
+++ kernel26/arch/arm/mach-pxa/aximx50/aximx50.c 2007-07-06 19:38:38.000000000 +0200
@@ -37,80 +37,11 @@
#include <asm/arch/aximx50-gpio.h>
#include <asm/arch/pxa-regs.h>
-#include <asm/arch/pxafb.h>
#include <asm/arch/udc.h>
#include "../generic.h"
-/* Description of the X50(v)/X51(v) display modes */
-#ifdef CONFIG_X50_VGA
-static struct pxafb_mode_info aximx50_pxafb_modes[] = {
-{
- .pixclock = 96153,
- .bpp = 16,
- .xres = 480,
- .yres = 640,
- .hsync_len = 64,
- .vsync_len = 5,
- .left_margin = 17,
- .upper_margin = 1,
- .right_margin = 87,
- .lower_margin = 4,
-},
-};
-
-
-static struct pxafb_mach_info aximx50_fb_info = {
- .modes = aximx50_pxafb_modes,
- .num_modes = ARRAY_SIZE(aximx50_pxafb_modes),
- .lccr0 = LCCR0_ENB | LCCR0_LDM | // 0x9
- LCCR0_SFM | LCCR0_IUM | LCCR0_EFM | LCCR0_Act | // 0xf
- LCCR0_QDM | // 0x8
- // 0x0
- // 0x0
- LCCR0_BM | LCCR0_OUM | LCCR0_RDSTM | // 0xb
- LCCR0_CMDIM // 0x1
- , // 0x0
- //0x01b008f9,
- .lccr3 = 0x04f00001,
-};
-
-#else /* undef CONFIG_X50_VGA */
-
-/* Description of the X50/X51 display modes */
-static struct pxafb_mode_info aximx50_pxafb_modes[] = {
-{
- .pixclock = 96153,
- .bpp = 16,
- .xres = 240,
- .yres = 320,
- .hsync_len = 20,
- .vsync_len = 4,
- .left_margin = 59,
- .upper_margin = 4,
- .right_margin = 16,
- .lower_margin = 0,
-},
-};
-
-
-static struct pxafb_mach_info aximx50_fb_info = {
- .modes = aximx50_pxafb_modes,
- .num_modes = ARRAY_SIZE(aximx50_pxafb_modes),
- .lccr0 = LCCR0_ENB | LCCR0_LDM | // 0x9
- LCCR0_SFM | LCCR0_IUM | LCCR0_EFM | LCCR0_Act | // 0xf
- LCCR0_QDM | // 0x8
- // 0x0
- // 0x0
- LCCR0_BM | LCCR0_OUM // 0x3
- // 0x0
- , // 0x0
- //0x003008f9,
- .lccr3 = 0x04900008,
-};
-
-#endif
/* Initialization code */
@@ -199,10 +130,19 @@
.name = "aximx50-ts",
};
+static struct platform_device aximx50_lcd = {
+ .name = "aximx50-lcd",
+ .dev = {
+ .platform_data = NULL,
+ },
+ .id = -1,
+};
+
static struct platform_device *devices[] __initdata = {
&x50_buttons,
&x50_ts,
&aximx50_bl,
+ &aximx50_lcd,
};
static void __init x50_init( void )
@@ -233,7 +173,6 @@
MSC2 = 0x16dc7ffc;
#endif
- set_pxa_fb_info(&aximx50_fb_info);
platform_add_devices(devices, ARRAY_SIZE(devices));
pxa_set_udc_info(&x50_udc_mach_info);
}
Only in kernel26/arch/arm/mach-pxa/aximx50: aximx50_lcd.c
diff -ur kernel26_ori/arch/arm/mach-pxa/aximx50/Kconfig kernel26/arch/arm/mach-pxa/aximx50/Kconfig
--- kernel26_ori/arch/arm/mach-pxa/aximx50/Kconfig 2007-05-12 19:52:17.000000000 +0200
+++ kernel26/arch/arm/mach-pxa/aximx50/Kconfig 2007-07-06 19:25:02.000000000 +0200
@@ -7,12 +7,20 @@
series of PDAs. Currently there is only basic support for this
type of PDAs.
-config X50_VGA
- bool "VGA display"
+config X50_LCD
+ bool "Dell Axim X50 series LCD"
depends on MACH_X50
default true
help
- Set this if you have the "v" variant of Axim X50/X51.
+ This driver provides support for changing power and brightness
+ of the DELL Axim X50 series display.
+
+config X50_VGA
+ bool "Dell Axim X50 series VGA display"
+ depends on MACH_X50
+ default true
+ help
+ Set this if you have the "v" variant of the DELL Axim X50 series.
config X50_BUTTONS
tristate "X50/X51(v) buttons support"
diff -ur kernel26_ori/arch/arm/mach-pxa/aximx50/Makefile kernel26/arch/arm/mach-pxa/aximx50/Makefile
--- kernel26_ori/arch/arm/mach-pxa/aximx50/Makefile 2007-02-18 13:18:48.000000000 +0100
+++ kernel26/arch/arm/mach-pxa/aximx50/Makefile 2007-07-06 19:25:02.000000000 +0200
@@ -3,5 +3,6 @@
#
obj-$(CONFIG_MACH_X50) += aximx50.o
obj-$(CONFIG_X50_BUTTONS) += aximx50_buttons.o
+obj-$(CONFIG_X50_LCD) += aximx50_lcd.o
obj-$(CONFIG_X50_TS) += aximx50_ts.o
--
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