diff options
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/ixp4xx/patches/997-fsg3_buttons.patch | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/target/linux/ixp4xx/patches/997-fsg3_buttons.patch b/target/linux/ixp4xx/patches/997-fsg3_buttons.patch new file mode 100644 index 000000000..fbdbc673f --- /dev/null +++ b/target/linux/ixp4xx/patches/997-fsg3_buttons.patch @@ -0,0 +1,184 @@ +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 |