diff options
| -rw-r--r-- | target/linux/adm5120/files/drivers/leds/ledtrig-morse.c | 284 | ||||
| -rw-r--r-- | target/linux/adm5120/patches-2.6.22/300-ledtrig_morse.patch | 19 | ||||
| -rw-r--r-- | target/linux/adm5120/router_be/config-2.6.22 | 5 | ||||
| -rw-r--r-- | target/linux/adm5120/router_le/config-2.6.22 | 10 |
4 files changed, 310 insertions, 8 deletions
diff --git a/target/linux/adm5120/files/drivers/leds/ledtrig-morse.c b/target/linux/adm5120/files/drivers/leds/ledtrig-morse.c new file mode 100644 index 0000000000..1f215bc278 --- /dev/null +++ b/target/linux/adm5120/files/drivers/leds/ledtrig-morse.c @@ -0,0 +1,284 @@ +/* + * LED Morse Trigger + * + * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org> + * + * This file was based on: drivers/led/ledtrig-timer.c + * Copyright 2005-2006 Openedhand Ltd. + * Author: Richard Purdie <rpurdie@openedhand.com> + * + * also based on the patch '[PATCH] 2.5.59 morse code panics' posted + * in the LKML by Tomas Szepe at Thu, 30 Jan 2003 + * Copyright (C) 2002 Andrew Rodland <arodland@noln.com> + * Copyright (C) 2003 Tomas Szepe <szepe@pinerecords.com> + * + * 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/jiffies.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/list.h> +#include <linux/spinlock.h> +#include <linux/device.h> +#include <linux/sysdev.h> +#include <linux/timer.h> +#include <linux/ctype.h> +#include <linux/leds.h> + +#include "leds.h" + +struct morse_trig_data { + unsigned long delay; + char *msg; + + unsigned char morse; + unsigned char state; + char *msgpos; + struct timer_list timer; +}; + +const unsigned char morsetable[] = { + 0122, 0, 0310, 0, 0, 0163, /* "#$%&' */ + 055, 0155, 0, 0, 0163, 0141, 0152, 0051, /* ()*+,-./ */ + 077, 076, 074, 070, 060, 040, 041, 043, 047, 057, /* 0-9 */ + 0107, 0125, 0, 0061, 0, 0114, 0, /* :;<=>?@ */ + 006, 021, 025, 011, 002, 024, 013, 020, 004, /* A-I */ + 036, 015, 022, 007, 005, 017, 026, 033, 012, /* J-R */ + 010, 003, 014, 030, 016, 031, 035, 023, /* S-Z */ + 0, 0, 0, 0, 0154 /* [\]^_ */ +}; + +static inline unsigned char tomorse(char c) { + if (c >= 'a' && c <= 'z') + c = c - 'a' + 'A'; + if (c >= '"' && c <= '_') { + return morsetable[c - '"']; + } else + return 0; +} + +static inline unsigned long dit_len(struct morse_trig_data *morse_data) +{ + return morse_data->delay; +} + +static inline unsigned long dah_len(struct morse_trig_data *morse_data) +{ + return 3*morse_data->delay; +} + +static inline unsigned long space_len(struct morse_trig_data *morse_data) +{ + return 7*morse_data->delay; +} + +static void morse_timer_function(unsigned long data) +{ + struct led_classdev *led_cdev = (struct led_classdev *) data; + struct morse_trig_data *morse_data = led_cdev->trigger_data; + unsigned long brightness = LED_OFF; + unsigned long delay = 0; + + if (!morse_data->msg) + goto set_led; + + switch (morse_data->state) { + case 0: + /* Starting a new blink. We have a valid code in morse. */ + delay = (morse_data->morse & 001) ? dah_len(morse_data): + dit_len(morse_data); + brightness = LED_FULL; + morse_data->state = 1; + morse_data->morse >>= 1; + break; + case 1: + /* Coming off of a blink. */ + morse_data->state = 0; + + if (morse_data->morse > 1) { + /* Not done yet, just a one-dit pause. */ + delay = dit_len(morse_data); + break; + } + + /* Get a new char, figure out how much space. */ + /* First time through */ + if (!morse_data->msgpos) + morse_data->msgpos = (char *)morse_data->msg; + + if (!*morse_data->msgpos) { + /* Repeating */ + morse_data->msgpos = (char *)morse_data->msg; + delay = space_len(morse_data); + } else { + /* Inter-letter space */ + delay = dah_len(morse_data); + } + + if (!(morse_data->morse = tomorse(*morse_data->msgpos))) { + delay = space_len(morse_data); + morse_data->state = 1; /* And get us back here */ + } + morse_data->msgpos++; + break; + } + + mod_timer(&morse_data->timer, jiffies + msecs_to_jiffies(delay)); + +set_led: + led_set_brightness(led_cdev, brightness); +} + +static ssize_t morse_delay_show(struct class_device *dev, char *buf) +{ + struct led_classdev *led_cdev = class_get_devdata(dev); + struct morse_trig_data *morse_data = led_cdev->trigger_data; + + sprintf(buf, "%lu\n", morse_data->delay); + + return strlen(buf) + 1; +} + +static ssize_t morse_delay_store(struct class_device *dev, const char *buf, + size_t size) +{ + struct led_classdev *led_cdev = class_get_devdata(dev); + struct morse_trig_data *morse_data = led_cdev->trigger_data; + char *after; + unsigned long state = simple_strtoul(buf, &after, 10); + size_t count = after - buf; + int ret = -EINVAL; + + if (*after && isspace(*after)) + count++; + + if (count == size) { + morse_data->delay = state; + mod_timer(&morse_data->timer, jiffies + 1); + ret = count; + } + + return ret; +} + +static ssize_t morse_msg_show(struct class_device *dev, char *buf) +{ + struct led_classdev *led_cdev = class_get_devdata(dev); + struct morse_trig_data *morse_data = led_cdev->trigger_data; + + if (!morse_data->msg) + sprintf(buf, "<none>\n"); + else + sprintf(buf, "%s\n", morse_data->msg); + + return strlen(buf) + 1; +} + +static ssize_t morse_msg_store(struct class_device *dev, const char *buf, + size_t size) +{ + struct led_classdev *led_cdev = class_get_devdata(dev); + struct morse_trig_data *morse_data = led_cdev->trigger_data; + char *m; + + m = kmalloc(size, GFP_KERNEL); + if (!m) + return -ENOMEM; + + memcpy(m,buf,size); + m[size]='\0'; + + if (!morse_data->msg) + kfree(morse_data->msg); + + morse_data->msg = m; + morse_data->msgpos = NULL; + morse_data->state = 1; + + mod_timer(&morse_data->timer, jiffies + 1); + + return size; +} + +static CLASS_DEVICE_ATTR(delay, 0644, morse_delay_show, morse_delay_store); +static CLASS_DEVICE_ATTR(message, 0644, morse_msg_show, morse_msg_store); + +static void morse_trig_activate(struct led_classdev *led_cdev) +{ + struct morse_trig_data *morse_data; + int rc; + + morse_data = kzalloc(sizeof(*morse_data), GFP_KERNEL); + if (!morse_data) + return; + + led_cdev->trigger_data = morse_data; + + morse_data->delay = (HZ/2); + init_timer(&morse_data->timer); + morse_data->timer.function = morse_timer_function; + morse_data->timer.data = (unsigned long) led_cdev; + + rc = class_device_create_file(led_cdev->class_dev, + &class_device_attr_delay); + if (rc) goto err; + + rc = class_device_create_file(led_cdev->class_dev, + &class_device_attr_message); + if (rc) goto err_delay; + + return; + +err_delay: + class_device_remove_file(led_cdev->class_dev, + &class_device_attr_delay); +err: + led_cdev->trigger_data = NULL; + kfree(morse_data); +} + +static void morse_trig_deactivate(struct led_classdev *led_cdev) +{ + struct morse_trig_data *morse_data = led_cdev->trigger_data; + + if (!morse_data) + return; + + class_device_remove_file(led_cdev->class_dev, + &class_device_attr_message); + class_device_remove_file(led_cdev->class_dev, + &class_device_attr_delay); + + del_timer_sync(&morse_data->timer); + if (!morse_data->msg) + kfree(morse_data->msg); + kfree(morse_data); +} + +static struct led_trigger morse_led_trigger = { + .name = "morse", + .activate = morse_trig_activate, + .deactivate = morse_trig_deactivate, +}; + +static int __init morse_trig_init(void) +{ + return led_trigger_register(&morse_led_trigger); +} + +static void __exit morse_trig_exit(void) +{ + led_trigger_unregister(&morse_led_trigger); +} + +module_init(morse_trig_init); +module_exit(morse_trig_exit); + +MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>"); +MODULE_DESCRIPTION("Morse LED trigger"); +MODULE_LICENSE("GPL"); diff --git a/target/linux/adm5120/patches-2.6.22/300-ledtrig_morse.patch b/target/linux/adm5120/patches-2.6.22/300-ledtrig_morse.patch new file mode 100644 index 0000000000..f1602ed1cc --- /dev/null +++ b/target/linux/adm5120/patches-2.6.22/300-ledtrig_morse.patch @@ -0,0 +1,19 @@ +--- linux-2.6.21.1.orig/drivers/leds/Kconfig 2007-09-09 07:15:28.000000000 +0200 ++++ linux-2.6.21.1/drivers/leds/Kconfig 2007-09-13 19:36:35.000000000 +0200 +@@ -149,5 +149,9 @@ + load average. + If unsure, say Y. + ++config LEDS_TRIGGER_MORSE ++ tristate "LED Morse Trigger" ++ depends on LEDS_TRIGGERS ++ + endmenu + +--- linux-2.6.21.1.orig/drivers/leds/Makefile 2007-09-09 07:15:28.000000000 +0200 ++++ linux-2.6.21.1/drivers/leds/Makefile 2007-09-13 19:33:15.000000000 +0200 +@@ -23,3 +23,4 @@ + obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o + obj-$(CONFIG_LEDS_TRIGGER_IDE_DISK) += ledtrig-ide-disk.o + obj-$(CONFIG_LEDS_TRIGGER_HEARTBEAT) += ledtrig-heartbeat.o ++obj-$(CONFIG_LEDS_TRIGGER_MORSE) += ledtrig-morse.o diff --git a/target/linux/adm5120/router_be/config-2.6.22 b/target/linux/adm5120/router_be/config-2.6.22 index daa08e3e8c..f87d98bd3c 100644 --- a/target/linux/adm5120/router_be/config-2.6.22 +++ b/target/linux/adm5120/router_be/config-2.6.22 @@ -6,7 +6,6 @@ CONFIG_ADM5120_CPU_OVERRIDES=y # CONFIG_ARCH_HAS_ILOG2_U64 is not set # CONFIG_ARCH_SUPPORTS_MSI is not set CONFIG_ARM_AMBA=y -# CONFIG_ATM_DRIVERS is not set CONFIG_BASE_SMALL=0 CONFIG_BAYCOM_SER_FDX=m CONFIG_BAYCOM_SER_HDX=m @@ -93,6 +92,7 @@ CONFIG_LEDS_ADM5120=y CONFIG_LEDS_ADM5120_DIAG=y # CONFIG_LEDS_ADM5120_EXPERIMENTAL is not set CONFIG_LEDS_GPIO=y +# CONFIG_LEDS_TRIGGER_MORSE is not set CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 # CONFIG_MACH_ALCHEMY is not set @@ -171,6 +171,8 @@ CONFIG_NET_KEY=y # CONFIG_NET_PKTGEN is not set CONFIG_NET_SCH_FIFO=y # CONFIG_NET_VENDOR_3COM is not set +CONFIG_NF_CT_PROTO_GRE=m +CONFIG_NF_NAT_PROTO_GRE=m # CONFIG_PAGE_SIZE_16KB is not set CONFIG_PAGE_SIZE_4KB=y # CONFIG_PAGE_SIZE_64KB is not set @@ -182,7 +184,6 @@ CONFIG_PCI_ADM5120=y # CONFIG_PNPACPI is not set # CONFIG_PNX8550_JBS is not set # CONFIG_PNX8550_STB810 is not set -# CONFIG_ROMFS_FS is not set # CONFIG_RTC is not set CONFIG_RWSEM_GENERIC_SPINLOCK=y CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y diff --git a/target/linux/adm5120/router_le/config-2.6.22 b/target/linux/adm5120/router_le/config-2.6.22 index 1224a0a388..5c27c06f97 100644 --- a/target/linux/adm5120/router_le/config-2.6.22 +++ b/target/linux/adm5120/router_le/config-2.6.22 @@ -6,7 +6,6 @@ CONFIG_ADM5120_CPU_OVERRIDES=y # CONFIG_ARCH_HAS_ILOG2_U64 is not set # CONFIG_ARCH_SUPPORTS_MSI is not set CONFIG_ARM_AMBA=y -# CONFIG_ATM_DRIVERS is not set CONFIG_BASE_SMALL=0 CONFIG_BAYCOM_SER_FDX=m CONFIG_BAYCOM_SER_HDX=m @@ -93,6 +92,7 @@ CONFIG_LEDS_ADM5120=y CONFIG_LEDS_ADM5120_DIAG=y # CONFIG_LEDS_ADM5120_EXPERIMENTAL is not set CONFIG_LEDS_GPIO=y +# CONFIG_LEDS_TRIGGER_MORSE is not set CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 # CONFIG_MACH_ALCHEMY is not set @@ -155,6 +155,7 @@ CONFIG_MTD_MAP_BANK_WIDTH_4=y # CONFIG_MTD_MTDRAM is not set CONFIG_MTD_MYLOADER_PARTS=y CONFIG_MTD_NAND=y +CONFIG_MTD_NAND_ADM5120=y # CONFIG_MTD_NAND_CAFE is not set # CONFIG_MTD_NAND_DISKONCHIP is not set # CONFIG_MTD_NAND_ECC_SMC is not set @@ -162,7 +163,6 @@ CONFIG_MTD_NAND_IDS=y # CONFIG_MTD_NAND_MUSEUM_IDS is not set # CONFIG_MTD_NAND_NANDSIM is not set # CONFIG_MTD_NAND_PLATFORM is not set -CONFIG_MTD_NAND_ADM5120=y # CONFIG_MTD_NAND_VERIFY_WRITE is not set # CONFIG_MTD_ONENAND is not set CONFIG_MTD_PARTITIONS=y @@ -181,6 +181,8 @@ CONFIG_NET_KEY=y # CONFIG_NET_PKTGEN is not set CONFIG_NET_SCH_FIFO=y # CONFIG_NET_VENDOR_3COM is not set +CONFIG_NF_CT_PROTO_GRE=m +CONFIG_NF_NAT_PROTO_GRE=m # CONFIG_PAGE_SIZE_16KB is not set CONFIG_PAGE_SIZE_4KB=y # CONFIG_PAGE_SIZE_64KB is not set @@ -192,7 +194,6 @@ CONFIG_PCI_ADM5120=y # CONFIG_PNPACPI is not set # CONFIG_PNX8550_JBS is not set # CONFIG_PNX8550_STB810 is not set -# CONFIG_ROMFS_FS is not set # CONFIG_RTC is not set CONFIG_RWSEM_GENERIC_SPINLOCK=y CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y @@ -247,9 +248,6 @@ CONFIG_USB_ADM5120_HCD=m # CONFIG_USB_CATC is not set # CONFIG_USB_EHCI_BIG_ENDIAN_MMIO is not set CONFIG_USB_EHCI_HCD=m -# CONFIG_USB_EHCI_ROOT_HUB_TT is not set -# CONFIG_USB_EHCI_SPLIT_ISO is not set -# CONFIG_USB_EHCI_TT_NEWSCHED is not set # CONFIG_USB_KAWETH is not set # CONFIG_USB_NET_DM9601 is not set # CONFIG_USB_NET_GL620A is not set |