diff options
Diffstat (limited to 'recipes-kernel/linux/linux-yocto-dev/h3600/0003-input-driver-for-microcontroller-keys-on-the-iPaq-h3.patch')
| -rw-r--r-- | recipes-kernel/linux/linux-yocto-dev/h3600/0003-input-driver-for-microcontroller-keys-on-the-iPaq-h3.patch | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-yocto-dev/h3600/0003-input-driver-for-microcontroller-keys-on-the-iPaq-h3.patch b/recipes-kernel/linux/linux-yocto-dev/h3600/0003-input-driver-for-microcontroller-keys-on-the-iPaq-h3.patch new file mode 100644 index 0000000..cb080e8 --- /dev/null +++ b/recipes-kernel/linux/linux-yocto-dev/h3600/0003-input-driver-for-microcontroller-keys-on-the-iPaq-h3.patch @@ -0,0 +1,208 @@ +From 96394b690b27fd3b4175b290a179e5e4e9138085 Mon Sep 17 00:00:00 2001 +From: Dmitry Artamonow <mad_soft@inbox.ru> +Date: Sat, 21 Mar 2009 16:22:16 +0300 +Subject: [PATCH 3/7] input: driver for microcontroller keys on the iPaq h3xxx + +This adds a key input driver for the keys found on the h3xxx +iPAQ series. + +Based on a driver from handhelds.org 2.6.21 kernel, written +by Alessandro GARDICH. + +Signed-off-by: Alessandro GARDICH <gremlin@gremlin.it> +Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> +Signed-off-by: Linus Walleij <linus.walleij@linaro.org> +--- + drivers/input/keyboard/Kconfig | 7 ++ + drivers/input/keyboard/Makefile | 1 + + drivers/input/keyboard/ipaq-micro-keys.c | 148 +++++++++++++++++++++++++++++++ + 3 files changed, 156 insertions(+) + create mode 100644 drivers/input/keyboard/ipaq-micro-keys.c + +diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig +index a673c9f3a0b9..8d4892dfa6e2 100644 +--- a/drivers/input/keyboard/Kconfig ++++ b/drivers/input/keyboard/Kconfig +@@ -554,6 +554,13 @@ config KEYBOARD_DAVINCI + To compile this driver as a module, choose M here: the + module will be called davinci_keyscan. + ++config KEYBOARD_IPAQ_MICRO ++ tristate "Buttons on Micro SoC (iPaq h3100,h3600,h3700)" ++ depends on MFD_IPAQ_MICRO ++ help ++ This enables support for the buttons attached to ++ Micro peripheral controller on iPAQ h3100/h3600/h3700 ++ + config KEYBOARD_OMAP + tristate "TI OMAP keypad support" + depends on ARCH_OMAP1 +diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile +index a699b6172303..e776af737804 100644 +--- a/drivers/input/keyboard/Makefile ++++ b/drivers/input/keyboard/Makefile +@@ -21,6 +21,7 @@ obj-$(CONFIG_KEYBOARD_TCA6416) += tca6416-keypad.o + obj-$(CONFIG_KEYBOARD_TCA8418) += tca8418_keypad.o + obj-$(CONFIG_KEYBOARD_HIL) += hil_kbd.o + obj-$(CONFIG_KEYBOARD_HIL_OLD) += hilkbd.o ++obj-$(CONFIG_KEYBOARD_IPAQ_MICRO) += ipaq-micro-keys.o + obj-$(CONFIG_KEYBOARD_IMX) += imx_keypad.o + obj-$(CONFIG_KEYBOARD_HP6XX) += jornada680_kbd.o + obj-$(CONFIG_KEYBOARD_HP7XX) += jornada720_kbd.o +diff --git a/drivers/input/keyboard/ipaq-micro-keys.c b/drivers/input/keyboard/ipaq-micro-keys.c +new file mode 100644 +index 000000000000..7ca8b738cc73 +--- /dev/null ++++ b/drivers/input/keyboard/ipaq-micro-keys.c +@@ -0,0 +1,148 @@ ++/* ++ * 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. ++ * ++ * h3600 atmel micro companion support, key subdevice ++ * based on previous kernel 2.4 version ++ * Author : Alessandro Gardich <gremlin@gremlin.it> ++ * Author : Linus Walleij <linus.walleij@linaro.org> ++ * ++ */ ++ ++ ++#include <linux/module.h> ++#include <linux/version.h> ++ ++#include <linux/init.h> ++#include <linux/fs.h> ++#include <linux/interrupt.h> ++#include <linux/sched.h> ++#include <linux/pm.h> ++#include <linux/sysctl.h> ++#include <linux/proc_fs.h> ++#include <linux/delay.h> ++#include <linux/device.h> ++#include <linux/input.h> ++#include <linux/platform_device.h> ++#include <linux/mfd/ipaq-micro.h> ++ ++struct ipaq_micro_keys { ++ struct ipaq_micro *micro; ++ struct input_dev *input; ++}; ++ ++static int keycodes[] = { ++ KEY_RECORD, /* 1: Record button */ ++ KEY_CALENDAR, /* 2: Calendar */ ++ KEY_ADDRESSBOOK, /* 3: Contacts (looks like Outlook) */ ++ KEY_MAIL, /* 4: Envelope (Q on older iPAQs) */ ++ KEY_HOMEPAGE, /* 5: Start (looks like swoopy arrow) */ ++ KEY_UP, /* 6: Up */ ++ KEY_RIGHT, /* 7: Right */ ++ KEY_LEFT, /* 8: Left */ ++ KEY_DOWN, /* 9: Down */ ++}; ++ ++static void micro_key_receive(void *data, int len, unsigned char *msg) ++{ ++ struct ipaq_micro_keys *keys = data; ++ int key, down; ++ ++ down = (0x80 & msg[0]) ? 1 : 0; ++ key = 0x7f & msg[0]; ++ ++ if (key < ARRAY_SIZE(keycodes)) { ++ input_report_key(keys->input, keycodes[key], down); ++ input_sync(keys->input); ++ } ++} ++ ++static int micro_key_probe(struct platform_device *pdev) ++{ ++ struct ipaq_micro_keys *keys; ++ int ret; ++ int i; ++ ++ keys = devm_kzalloc(&pdev->dev, sizeof(*keys), GFP_KERNEL); ++ if (!keys) ++ return -ENOMEM; ++ keys->input = input_allocate_device(); ++ if (!keys->input) ++ return -ENOMEM; ++ keys->micro = dev_get_drvdata(pdev->dev.parent); ++ keys->input->evbit[0] = BIT(EV_KEY); ++ set_bit(EV_KEY, keys->input->evbit); ++ for (i = 0; i < ARRAY_SIZE(keycodes); i++) ++ set_bit(keycodes[i], keys->input->keybit); ++ ++ keys->input->name = "h3600 micro keys"; ++ ++ ret = input_register_device(keys->input); ++ if (ret) ++ return ret; ++ ++ platform_set_drvdata(pdev, keys); ++ spin_lock(&keys->micro->lock); ++ keys->micro->key = micro_key_receive; ++ keys->micro->key_data = keys; ++ spin_unlock(&keys->micro->lock); ++ ++ return 0; ++} ++ ++static int micro_key_remove(struct platform_device *pdev) ++{ ++ struct ipaq_micro_keys *keys = platform_get_drvdata(pdev); ++ ++ input_unregister_device(keys->input); ++ ++ spin_lock(&keys->micro->lock); ++ keys->micro->key = NULL; ++ keys->micro->key_data = NULL; ++ spin_unlock(&keys->micro->lock); ++ ++ return 0; ++} ++ ++static int micro_key_suspend(struct device *dev) ++{ ++ struct ipaq_micro_keys *keys = dev_get_drvdata(dev); ++ ++ spin_lock(&keys->micro->lock); ++ keys->micro->key = NULL; ++ keys->micro->key_data = NULL; ++ spin_unlock(&keys->micro->lock); ++ ++ return 0; ++} ++ ++static int micro_key_resume(struct device *dev) ++{ ++ struct ipaq_micro_keys *keys = dev_get_drvdata(dev); ++ ++ spin_lock(&keys->micro->lock); ++ keys->micro->key = micro_key_receive; ++ keys->micro->key_data = keys; ++ spin_unlock(&keys->micro->lock); ++ ++ return 0; ++} ++ ++static const struct dev_pm_ops micro_key_dev_pm_ops = { ++ SET_SYSTEM_SLEEP_PM_OPS(micro_key_suspend, micro_key_resume) ++}; ++ ++struct platform_driver micro_key_device_driver = { ++ .driver = { ++ .name = "ipaq-micro-keys", ++ .pm = µ_key_dev_pm_ops, ++ }, ++ .probe = micro_key_probe, ++ .remove = micro_key_remove, ++}; ++module_platform_driver(micro_key_device_driver); ++ ++MODULE_LICENSE("GPL"); ++MODULE_DESCRIPTION("driver for iPAQ Atmel micro keys"); ++MODULE_ALIAS("platform:ipaq-micro-keys"); +-- +1.9.0 + |