diff options
Diffstat (limited to 'recipes-kernel/linux/linux-yocto-dev/h3600/0005-input-driver-for-touchscreen-on-iPaq-h3xxx.patch')
| -rw-r--r-- | recipes-kernel/linux/linux-yocto-dev/h3600/0005-input-driver-for-touchscreen-on-iPaq-h3xxx.patch | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-yocto-dev/h3600/0005-input-driver-for-touchscreen-on-iPaq-h3xxx.patch b/recipes-kernel/linux/linux-yocto-dev/h3600/0005-input-driver-for-touchscreen-on-iPaq-h3xxx.patch new file mode 100644 index 0000000..96f640d --- /dev/null +++ b/recipes-kernel/linux/linux-yocto-dev/h3600/0005-input-driver-for-touchscreen-on-iPaq-h3xxx.patch @@ -0,0 +1,198 @@ +From 4f2952cd1fa1fcfd49de628dcba97a758f81ac3a Mon Sep 17 00:00:00 2001 +From: Dmitry Artamonow <mad_soft@inbox.ru> +Date: Sat, 21 Mar 2009 16:27:19 +0300 +Subject: [PATCH 5/7] input: driver for touchscreen on iPaq h3xxx + +This adds a driver for the touchscreen connected to the +Atmel microcontroller on the iPAQ h3xxx 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/touchscreen/Kconfig | 8 ++ + drivers/input/touchscreen/Makefile | 1 + + drivers/input/touchscreen/ipaq-micro-ts.c | 137 ++++++++++++++++++++++++++++++ + 3 files changed, 146 insertions(+) + create mode 100644 drivers/input/touchscreen/ipaq-micro-ts.c + +diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig +index 07e9e82029d1..118d71b39861 100644 +--- a/drivers/input/touchscreen/Kconfig ++++ b/drivers/input/touchscreen/Kconfig +@@ -466,6 +466,14 @@ config TOUCHSCREEN_HP7XX + To compile this driver as a module, choose M here: the + module will be called jornada720_ts. + ++config TOUCHSCREEN_IPAQ_MICRO ++ tristate "HP iPAQ Atmel Micro ASIC touchscreen" ++ depends on MFD_IPAQ_MICRO ++ help ++ This enables support for the touchscreen attached to ++ the Atmel Micro peripheral controller on iPAQ h3100/h3600/h3700 ++ ++ + config TOUCHSCREEN_HTCPEN + tristate "HTC Shift X9500 touchscreen" + depends on ISA +diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile +index 62801f213346..5f754c4f87bb 100644 +--- a/drivers/input/touchscreen/Makefile ++++ b/drivers/input/touchscreen/Makefile +@@ -46,6 +46,7 @@ obj-$(CONFIG_TOUCHSCREEN_MTOUCH) += mtouch.o + obj-$(CONFIG_TOUCHSCREEN_MK712) += mk712.o + obj-$(CONFIG_TOUCHSCREEN_HP600) += hp680_ts_input.o + obj-$(CONFIG_TOUCHSCREEN_HP7XX) += jornada720_ts.o ++obj-$(CONFIG_TOUCHSCREEN_IPAQ_MICRO) += ipaq-micro-ts.o + obj-$(CONFIG_TOUCHSCREEN_HTCPEN) += htcpen.o + obj-$(CONFIG_TOUCHSCREEN_USB_COMPOSITE) += usbtouchscreen.o + obj-$(CONFIG_TOUCHSCREEN_PCAP) += pcap_ts.o +diff --git a/drivers/input/touchscreen/ipaq-micro-ts.c b/drivers/input/touchscreen/ipaq-micro-ts.c +new file mode 100644 +index 000000000000..9c5e1b62d192 +--- /dev/null ++++ b/drivers/input/touchscreen/ipaq-micro-ts.c +@@ -0,0 +1,137 @@ ++/* ++ * 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, touchscreen subdevice ++ * Author : Alessandro Gardich <gremlin@gremlin.it> ++ * Author : Linus Walleij <linus.walleij@linaro.org> ++ * ++ */ ++ ++#include <linux/module.h> ++#include <linux/init.h> ++#include <linux/interrupt.h> ++#include <linux/pm.h> ++#include <linux/delay.h> ++#include <linux/device.h> ++#include <linux/input.h> ++#include <linux/platform_device.h> ++#include <linux/slab.h> ++#include <linux/mfd/ipaq-micro.h> ++ ++struct touchscreen_data { ++ struct input_dev *input; ++ struct ipaq_micro *micro; ++}; ++ ++static void micro_ts_receive(void *data, int len, unsigned char *msg) ++{ ++ struct touchscreen_data *ts = data; ++ ++ if (len == 4) { ++ input_report_abs(ts->input, ABS_X, (msg[2]<<8)+msg[3]); ++ input_report_abs(ts->input, ABS_Y, (msg[0]<<8)+msg[1]); ++ input_report_abs(ts->input, ABS_PRESSURE, 1); ++ input_report_key(ts->input, BTN_TOUCH, 0); ++ } ++ if (len == 0) { ++ input_report_abs(ts->input, ABS_X, 0); ++ input_report_abs(ts->input, ABS_Y, 0); ++ input_report_abs(ts->input, ABS_PRESSURE, 0); ++ input_report_key(ts->input, BTN_TOUCH, 1); ++ } ++ input_sync(ts->input); ++} ++ ++ ++static int micro_ts_probe(struct platform_device *pdev) ++{ ++ struct touchscreen_data *ts; ++ int ret; ++ ++ ts = devm_kzalloc(&pdev->dev, sizeof(*ts), GFP_KERNEL); ++ if (!ts) ++ return -ENOMEM; ++ ts->micro = dev_get_drvdata(pdev->dev.parent); ++ ++ platform_set_drvdata(pdev, ts); ++ ++ ts->input = input_allocate_device(); ++ ++ ts->input->evbit[0] = BIT(EV_ABS); ++ ts->input->absbit[0] = BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE); ++ input_set_abs_params(ts->input, ABS_X, 0, 1023, 0, 0); ++ input_set_abs_params(ts->input, ABS_Y, 0, 1023, 0, 0); ++ input_set_abs_params(ts->input, ABS_PRESSURE, 0x0, 0x1, 0, 0); ++ ++ ts->input->name = "ipaq micro ts"; ++ /* ts->input->private = ts; */ ++ ++ ret = input_register_device(ts->input); ++ if (ret) { ++ dev_err(&pdev->dev, "error registering touch input\n"); ++ return ret; ++ } ++ ++ spin_lock(&ts->micro->lock); ++ ts->micro->ts = micro_ts_receive; ++ ts->micro->ts_data = ts; ++ spin_unlock(&ts->micro->lock); ++ ++ dev_info(&pdev->dev, "iPAQ micro touchscreen\n"); ++ return 0; ++} ++ ++static int micro_ts_remove(struct platform_device *pdev) ++{ ++ struct touchscreen_data *ts = platform_get_drvdata(pdev); ++ ++ spin_lock(&ts->micro->lock); ++ ts->micro->ts = NULL; ++ ts->micro->ts_data = NULL; ++ spin_unlock(&ts->micro->lock); ++ input_unregister_device(ts->input); ++ ++ return 0; ++} ++ ++static int micro_ts_suspend(struct device *dev) ++{ ++ struct touchscreen_data *ts = dev_get_drvdata(dev); ++ ++ spin_lock(&ts->micro->lock); ++ ts->micro->ts = NULL; ++ ts->micro->ts_data = NULL; ++ spin_unlock(&ts->micro->lock); ++ return 0; ++} ++ ++static int micro_ts_resume(struct device *dev) ++{ ++ struct touchscreen_data *ts = dev_get_drvdata(dev); ++ ++ spin_lock(&ts->micro->lock); ++ ts->micro->ts = micro_ts_receive; ++ ts->micro->ts_data = ts; ++ spin_unlock(&ts->micro->lock); ++ return 0; ++} ++ ++static const struct dev_pm_ops micro_ts_dev_pm_ops = { ++ SET_SYSTEM_SLEEP_PM_OPS(micro_ts_suspend, micro_ts_resume) ++}; ++ ++struct platform_driver micro_ts_device_driver = { ++ .driver = { ++ .name = "ipaq-micro-ts", ++ .pm = µ_ts_dev_pm_ops, ++ }, ++ .probe = micro_ts_probe, ++ .remove = micro_ts_remove, ++}; ++module_platform_driver(micro_ts_device_driver); ++ ++MODULE_LICENSE("GPL"); ++MODULE_DESCRIPTION("driver for iPAQ Atmel micro touchscreen"); ++MODULE_ALIAS("platform:ipaq-micro-ts"); +-- +1.9.0 + |