--- arch/arm/mach-s3c2410/Makefile | 2 1 + 1 - 0 ! arch/arm/mach-s3c2410/h1940-batt.c | 162 162 + 0 - 0 ! arch/arm/mach-s3c2410/mach-h1940.c | 6 6 + 0 - 0 ! 3 files changed, 169 insertions(+), 1 deletion(-) Index: linux-2.6/arch/arm/mach-s3c2410/Makefile =================================================================== --- linux-2.6.orig/arch/arm/mach-s3c2410/Makefile 2006-12-10 23:50:15.000000000 +0100 +++ linux-2.6/arch/arm/mach-s3c2410/Makefile 2006-12-11 00:38:09.000000000 +0100 @@ -77,7 +77,7 @@ obj-$(CONFIG_MACH_AML_M5900) += mach-aml obj-$(CONFIG_MACH_ANUBIS) += mach-anubis.o obj-$(CONFIG_MACH_OSIRIS) += mach-osiris.o obj-$(CONFIG_ARCH_BAST) += mach-bast.o usb-simtec.o -obj-$(CONFIG_ARCH_H1940) += mach-h1940.o h1940-bluetooth.o +obj-$(CONFIG_ARCH_H1940) += mach-h1940.o h1940-bluetooth.o h1940-batt.o obj-$(CONFIG_MACH_N30) += mach-n30.o obj-$(CONFIG_ARCH_SMDK2410) += mach-smdk2410.o obj-$(CONFIG_MACH_SMDK2413) += mach-smdk2413.o Index: linux-2.6/arch/arm/mach-s3c2410/h1940-batt.c =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ linux-2.6/arch/arm/mach-s3c2410/h1940-batt.c 2006-12-11 00:38:45.000000000 +0100 @@ -0,0 +1,162 @@ +/* + * arch/arm/mach-s3c2410/h1940-batt.c + * Copyright (c) Arnaud Patard + * + * 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. + * + * iPAQ H1940 battery controler driver + * + * ChangeLog + * 2006-03-22: RTP + * * First version + * + */ + +#include +#include +#include +#include +#include +#include + +#include + +#ifdef CONFIG_LEDS_H1940 +DEFINE_LED_TRIGGER(charger_led_trigger); +#endif + +static irqreturn_t h1940batt_cable(int irq, void *dev_id) +{ + /* the GPF2 value is in inverse logic. 1 is for "not there" + **/ + int is_plugged = !s3c2410_gpio_getpin(S3C2410_GPF2); + + printk(KERN_INFO "Power cable %s\n",\ + is_plugged ? "plugged" : "unplugged" ); + + if (is_plugged) { + /* configure GPF3 to get an interrupt when battery charged */ + s3c2410_gpio_cfgpin(S3C2410_GPF3, S3C2410_GPF3_EINT3); +#ifdef CONFIG_LEDS_H1940 + /* amber led blinking */ + led_trigger_event(charger_led_trigger, LED_HALF); +#endif + } + else { +#ifdef CONFIG_LEDS_H1940 + led_trigger_event(charger_led_trigger, LED_OFF); +#endif + } + + return IRQ_HANDLED; +} + +static irqreturn_t h1940batt_charger(int irq, void *dev_id) +{ + int in_progress = s3c2410_gpio_getpin(S3C2410_GPF3); + + if (in_progress) { + /* in theory we may get there... + * but tests tends to say that we never get there + **/ + printk(KERN_INFO "charge in progress\n"); + } + else { + printk(KERN_INFO "charged\n"); +#ifdef CONFIG_LEDS_H1940 + led_trigger_event(charger_led_trigger, LED_FULL); +#endif + /* + * workaround : + * setting here to INP to prevent a loop charged/charge in progress + * when there's no battery + **/ + s3c2410_gpio_cfgpin(S3C2410_GPF3, S3C2410_GPF3_INP); + } + + return IRQ_HANDLED; +} + +extern void (*apm_get_power_status)(struct apm_power_info *); + +static void h1940_apm_get_power_status(struct apm_power_info *info) +{ + int is_plugged = !s3c2410_gpio_getpin(S3C2410_GPF2); + int in_progress = s3c2410_gpio_getpin(S3C2410_GPF3); + + if (is_plugged) + info->ac_line_status = APM_AC_ONLINE; + else + info->ac_line_status = APM_AC_OFFLINE; + + if (in_progress) { + info->battery_status = APM_BATTERY_STATUS_CHARGING; + info->battery_flag = (1 << info->battery_status); + } + else { + info->battery_status = APM_BATTERY_STATUS_UNKNOWN; + info->battery_flag = APM_BATTERY_FLAG_UNKNOWN; + } +} + + +static int __init h1940batt_probe(struct platform_device *pdev) +{ + s3c2410_gpio_cfgpin(S3C2410_GPF2, S3C2410_GPF2_EINT2); + request_irq (IRQ_EINT2, h1940batt_cable,\ + SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,\ + pdev->name, NULL); + + s3c2410_gpio_cfgpin(S3C2410_GPF3, S3C2410_GPF3_INP); + request_irq (IRQ_EINT3, h1940batt_charger,\ + SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,\ + pdev->name, NULL); + +#ifdef CONFIG_LEDS_H1940 + led_trigger_register_simple("h1940-charger", &charger_led_trigger); +#endif + apm_get_power_status = h1940_apm_get_power_status; + + printk(KERN_INFO "h1940-batt successfully loaded\n"); + + return 0; +} + +static int h1940batt_remove(struct platform_device *pdev) +{ +#ifdef CONFIG_LEDS_H1940 + led_trigger_unregister_simple(charger_led_trigger); +#endif + disable_irq(S3C2410_GPF2); + disable_irq(S3C2410_GPF3); + + return 0; +} + +static struct platform_driver h1940batt_driver = { + .driver = { + .name = "h1940-batt", + }, + .probe = h1940batt_probe, + .remove = h1940batt_remove, +}; + + +static int __init h1940batt_init(void) +{ + return platform_driver_register(&h1940batt_driver); +} + +static void __exit h1940batt_exit(void) +{ + platform_driver_unregister(&h1940batt_driver); +} + +module_init(h1940batt_init); +module_exit(h1940batt_exit); + +MODULE_AUTHOR("Arnaud Patard "); +MODULE_DESCRIPTION("iPAQ H1940 battery controler driver"); +MODULE_LICENSE("GPL"); Index: linux-2.6/arch/arm/mach-s3c2410/mach-h1940.c =================================================================== --- linux-2.6.orig/arch/arm/mach-s3c2410/mach-h1940.c 2006-12-10 23:50:15.000000000 +0100 +++ linux-2.6/arch/arm/mach-s3c2410/mach-h1940.c 2006-12-11 00:38:09.000000000 +0100 @@ -287,6 +287,11 @@ static struct platform_device s3c_device .id = -1, }; +static struct platform_device s3c_device_batt = { + .name = "h1940-batt", + .id = -1, +}; + static struct platform_device *h1940_devices[] __initdata = { &s3c_device_usb, &s3c_device_lcd, @@ -301,6 +306,7 @@ static struct platform_device *h1940_dev &s3c_device_nand, &s3c_device_leds, &s3c_device_bluetooth, + &s3c_device_batt, }; static struct s3c24xx_board h1940_board __initdata = {