--- /dev/null
+diff -Nur linux-2.6.21.6-orig/arch/arm/mach-ixp4xx/fsg-power.c linux-2.6.21.6/arch/arm/mach-ixp4xx/fsg-power.c
+--- linux-2.6.21.6-orig/arch/arm/mach-ixp4xx/fsg-power.c 1970-01-01 01:00:00.000000000 +0100
++++ linux-2.6.21.6/arch/arm/mach-ixp4xx/fsg-power.c 2007-10-12 22:32:27.000000000 +0200
+@@ -0,0 +1,168 @@
++/*
++ * arch/arm/mach-ixp4xx/fsg-power.c
++ *
++ * FSG buttons 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/reboot.h>
++#include <linux/irq.h>
++#include <linux/interrupt.h>
++#include <asm/mach-types.h>
++#include <linux/kernel.h>
++
++struct event_t {
++ struct work_struct wq;
++ char *button_name;
++ int action;
++};
++
++static void hotplug_button(struct event_t *event)
++{
++ static char buf[128];
++ char *argv[3], *envp[6], *action;
++ int i;
++
++ i = 0;
++ argv[i++] = "/sbin/hotplug";
++ argv[i++] = "button";
++ argv[i] = 0;
++
++ i = 0;
++ /* minimal command environment */
++ envp [i++] = "HOME=/";
++ envp [i++] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin";
++ envp [i++] = "SUBSYSTEM=button";
++
++ snprintf(buf, 128, "BUTTON=%s", event->button_name);
++ envp [i++] = buf;
++
++ action = event->action ? "released" : "pressed";
++ snprintf(buf, 128, "ACTION=%s", action);
++ envp [i++] = buf;
++
++ envp [i] = 0;
++
++ // create hotplug event
++ call_usermodehelper (argv[0], argv, envp, 0);
++
++ //destroy event structure
++ kfree(event);
++}
++
++static irqreturn_t fsg_sync_button_handler(int irq, void *dev_id)
++{
++ int holdkey;
++
++ //check button status
++ gpio_line_get(FSG_SB_GPIO, &holdkey);
++
++ struct event_t *event;
++ //create event
++ if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
++ event->action = holdkey;
++ event->button_name = "sync";
++
++ INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
++ schedule_work(&event->wq);
++ }
++
++ return IRQ_HANDLED;
++}
++
++static irqreturn_t fsg_reset_button_handler(int irq, void *dev_id)
++{
++ int holdkey;
++
++ //check button status
++ gpio_line_get(FSG_RB_GPIO, &holdkey);
++
++ struct event_t *event;
++ //create event
++ if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
++ event->action = holdkey;
++ event->button_name = "reset";
++
++ INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
++ schedule_work(&event->wq);
++ }
++
++ return IRQ_HANDLED;
++}
++
++static irqreturn_t fsg_unplug_button_handler(int irq, void *dev_id)
++{
++ int holdkey;
++
++ //check button status
++ gpio_line_get(FSG_UB_GPIO, &holdkey);
++
++ struct event_t *event;
++ //create event
++ if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
++ event->action = holdkey;
++ event->button_name = "unplug";
++
++ INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
++ schedule_work(&event->wq);
++ }
++
++ return IRQ_HANDLED;
++}
++
++static int __init fsg_buttons_init(void)
++{
++ if (!(machine_is_fsg()))
++ return;
++
++ /* Configure interrupt input for SYNC button */
++ set_irq_type(FSG_SB_IRQ, IRQT_BOTHEDGE);
++ if (request_irq(FSG_SB_IRQ, &fsg_sync_button_handler, IRQF_DISABLED, "SYNC", NULL) < 0) {
++ printk(KERN_DEBUG "SYNC button IRQ %d not available\n", FSG_SB_IRQ);
++ return -EIO;
++ }
++ else
++ printk("SYNC button registered on IRQ%d\n", FSG_SB_IRQ);
++
++ /* Configure interrupt input for RESET button */
++ set_irq_type(FSG_RB_IRQ, IRQT_BOTHEDGE);
++ if (request_irq(FSG_RB_IRQ, &fsg_reset_button_handler, IRQF_DISABLED, "RESET", NULL) < 0) {
++ printk(KERN_DEBUG "RESET button IRQ %d not available\n", FSG_RB_IRQ);
++ return -EIO;
++ }
++ else
++ printk("RESET button registered on IRQ%d\n", FSG_RB_IRQ);
++
++ /* Configure interrupt input for UNPLUG button */
++ set_irq_type(FSG_UB_IRQ, IRQT_BOTHEDGE);
++ if (request_irq(FSG_UB_IRQ, &fsg_unplug_button_handler, IRQF_DISABLED, "RESET", NULL) < 0) {
++ printk(KERN_DEBUG "UNPLUG button IRQ %d not available\n", FSG_UB_IRQ);
++ return -EIO;
++ }
++ else
++ printk("UNPLUG button registered on IRQ%d\n", FSG_UB_IRQ);
++
++ return 0;
++}
++
++static void __exit fsg_buttons_exit(void)
++{
++ if (!(machine_is_fsg()))
++ return;
++
++ free_irq(FSG_SB_IRQ, NULL);
++ free_irq(FSG_RB_IRQ, NULL);
++ free_irq(FSG_UB_IRQ, NULL);
++}
++
++module_init(fsg_buttons_init);
++module_exit(fsg_buttons_exit);
++
++MODULE_AUTHOR("Zintis Petersons <Zintis.Petersons@e-mail.lv>");
++MODULE_DESCRIPTION("FSG buttons driver");
++MODULE_LICENSE("GPL");
+diff -Nur linux-2.6.21.6-orig/arch/arm/mach-ixp4xx/Makefile linux-2.6.21.6/arch/arm/mach-ixp4xx/Makefile
+--- linux-2.6.21.6-orig/arch/arm/mach-ixp4xx/Makefile 2007-10-12 14:34:18.000000000 +0200
++++ linux-2.6.21.6/arch/arm/mach-ixp4xx/Makefile 2007-10-12 22:34:06.000000000 +0200
+@@ -30,7 +30,7 @@
+ obj-$(CONFIG_MACH_NSLU2) += nslu2-setup.o nslu2-power.o
+ obj-$(CONFIG_MACH_NAS100D) += nas100d-setup.o nas100d-power.o
+ obj-$(CONFIG_MACH_DSMG600) += dsmg600-setup.o dsmg600-power.o
+-obj-$(CONFIG_MACH_FSG) += fsg-setup.o
++obj-$(CONFIG_MACH_FSG) += fsg-setup.o fsg-power.o
+ obj-$(CONFIG_MACH_GATEWAY7001) += gateway7001-setup.o
+ obj-$(CONFIG_MACH_WG302V2) += wg302v2-setup.o
+ obj-$(CONFIG_MACH_PRONGHORNMETRO) += pronghornmetro-setup.o
projects / openwrt / svn-archive / openwrt.git / commitdiff