Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: wacom - add new Bamboo PT (0xdb) Input: add input driver for polled GPIO buttons Input: turbografx - fix reference counting Input: synaptics - fix handling of 2-button ClickPads Input: wacom - add IDs for two new Bamboo PTs Input: document struct input_absinfo Input: add keycodes for touchpad on/off keys Input: usbtouchscreen - add support for LG Flatron T1710B
This commit is contained in:
Linus Torvalds
commit
f8f5d4f11d
9 changed files with 317 additions and 2 deletions
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@ -245,6 +245,7 @@ static struct tgfx __init *tgfx_probe(int parport, int *n_buttons, int n_devs)
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goto err_free_tgfx;
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}
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parport_put_port(pp);
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return tgfx;
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err_free_dev:
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@ -179,6 +179,22 @@ config KEYBOARD_GPIO
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To compile this driver as a module, choose M here: the
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module will be called gpio_keys.
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config KEYBOARD_GPIO_POLLED
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tristate "Polled GPIO buttons"
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depends on GENERIC_GPIO
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select INPUT_POLLDEV
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help
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This driver implements support for buttons connected
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to GPIO pins that are not capable of generating interrupts.
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Say Y here if your device has buttons connected
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directly to such GPIO pins. Your board-specific
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setup logic must also provide a platform device,
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with configuration data saying which GPIOs are used.
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To compile this driver as a module, choose M here: the
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module will be called gpio_keys_polled.
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config KEYBOARD_TCA6416
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tristate "TCA6416 Keypad Support"
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depends on I2C
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@ -14,6 +14,7 @@ obj-$(CONFIG_KEYBOARD_BFIN) += bf54x-keys.o
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obj-$(CONFIG_KEYBOARD_DAVINCI) += davinci_keyscan.o
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obj-$(CONFIG_KEYBOARD_EP93XX) += ep93xx_keypad.o
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obj-$(CONFIG_KEYBOARD_GPIO) += gpio_keys.o
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obj-$(CONFIG_KEYBOARD_GPIO_POLLED) += gpio_keys_polled.o
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obj-$(CONFIG_KEYBOARD_TCA6416) += tca6416-keypad.o
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obj-$(CONFIG_KEYBOARD_HIL) += hil_kbd.o
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obj-$(CONFIG_KEYBOARD_HIL_OLD) += hilkbd.o
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261
drivers/input/keyboard/gpio_keys_polled.c
Normal file
261
drivers/input/keyboard/gpio_keys_polled.c
Normal file
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@ -0,0 +1,261 @@
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/*
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* Driver for buttons on GPIO lines not capable of generating interrupts
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*
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* Copyright (C) 2007-2010 Gabor Juhos <juhosg@openwrt.org>
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* Copyright (C) 2010 Nuno Goncalves <nunojpg@gmail.com>
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*
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* This file was based on: /drivers/input/misc/cobalt_btns.c
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* Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
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*
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* also was based on: /drivers/input/keyboard/gpio_keys.c
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* Copyright 2005 Phil Blundell
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/input.h>
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#include <linux/input-polldev.h>
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#include <linux/ioport.h>
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#include <linux/platform_device.h>
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#include <linux/gpio.h>
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#include <linux/gpio_keys.h>
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#define DRV_NAME "gpio-keys-polled"
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struct gpio_keys_button_data {
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int last_state;
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int count;
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int threshold;
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int can_sleep;
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};
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struct gpio_keys_polled_dev {
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struct input_polled_dev *poll_dev;
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struct device *dev;
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struct gpio_keys_platform_data *pdata;
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struct gpio_keys_button_data data[0];
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};
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static void gpio_keys_polled_check_state(struct input_dev *input,
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struct gpio_keys_button *button,
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struct gpio_keys_button_data *bdata)
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{
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int state;
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if (bdata->can_sleep)
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state = !!gpio_get_value_cansleep(button->gpio);
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else
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state = !!gpio_get_value(button->gpio);
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if (state != bdata->last_state) {
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unsigned int type = button->type ?: EV_KEY;
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input_event(input, type, button->code,
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!!(state ^ button->active_low));
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input_sync(input);
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bdata->count = 0;
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bdata->last_state = state;
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}
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}
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static void gpio_keys_polled_poll(struct input_polled_dev *dev)
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{
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struct gpio_keys_polled_dev *bdev = dev->private;
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struct gpio_keys_platform_data *pdata = bdev->pdata;
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struct input_dev *input = dev->input;
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int i;
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for (i = 0; i < bdev->pdata->nbuttons; i++) {
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struct gpio_keys_button_data *bdata = &bdev->data[i];
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if (bdata->count < bdata->threshold)
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bdata->count++;
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else
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gpio_keys_polled_check_state(input, &pdata->buttons[i],
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bdata);
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}
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}
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static void gpio_keys_polled_open(struct input_polled_dev *dev)
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{
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struct gpio_keys_polled_dev *bdev = dev->private;
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struct gpio_keys_platform_data *pdata = bdev->pdata;
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if (pdata->enable)
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pdata->enable(bdev->dev);
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}
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static void gpio_keys_polled_close(struct input_polled_dev *dev)
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{
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struct gpio_keys_polled_dev *bdev = dev->private;
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struct gpio_keys_platform_data *pdata = bdev->pdata;
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if (pdata->disable)
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pdata->disable(bdev->dev);
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}
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static int __devinit gpio_keys_polled_probe(struct platform_device *pdev)
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{
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struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
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struct device *dev = &pdev->dev;
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struct gpio_keys_polled_dev *bdev;
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struct input_polled_dev *poll_dev;
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struct input_dev *input;
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int error;
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int i;
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if (!pdata || !pdata->poll_interval)
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return -EINVAL;
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bdev = kzalloc(sizeof(struct gpio_keys_polled_dev) +
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pdata->nbuttons * sizeof(struct gpio_keys_button_data),
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GFP_KERNEL);
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if (!bdev) {
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dev_err(dev, "no memory for private data\n");
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return -ENOMEM;
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}
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poll_dev = input_allocate_polled_device();
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if (!poll_dev) {
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dev_err(dev, "no memory for polled device\n");
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error = -ENOMEM;
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goto err_free_bdev;
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}
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poll_dev->private = bdev;
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poll_dev->poll = gpio_keys_polled_poll;
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poll_dev->poll_interval = pdata->poll_interval;
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poll_dev->open = gpio_keys_polled_open;
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poll_dev->close = gpio_keys_polled_close;
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input = poll_dev->input;
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input->evbit[0] = BIT(EV_KEY);
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input->name = pdev->name;
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input->phys = DRV_NAME"/input0";
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input->dev.parent = &pdev->dev;
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input->id.bustype = BUS_HOST;
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input->id.vendor = 0x0001;
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input->id.product = 0x0001;
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input->id.version = 0x0100;
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for (i = 0; i < pdata->nbuttons; i++) {
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struct gpio_keys_button *button = &pdata->buttons[i];
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struct gpio_keys_button_data *bdata = &bdev->data[i];
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unsigned int gpio = button->gpio;
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unsigned int type = button->type ?: EV_KEY;
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if (button->wakeup) {
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dev_err(dev, DRV_NAME " does not support wakeup\n");
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error = -EINVAL;
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goto err_free_gpio;
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}
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error = gpio_request(gpio,
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button->desc ? button->desc : DRV_NAME);
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if (error) {
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dev_err(dev, "unable to claim gpio %u, err=%d\n",
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gpio, error);
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goto err_free_gpio;
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}
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error = gpio_direction_input(gpio);
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if (error) {
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dev_err(dev,
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"unable to set direction on gpio %u, err=%d\n",
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gpio, error);
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goto err_free_gpio;
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}
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bdata->can_sleep = gpio_cansleep(gpio);
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bdata->last_state = -1;
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bdata->threshold = DIV_ROUND_UP(button->debounce_interval,
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pdata->poll_interval);
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input_set_capability(input, type, button->code);
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}
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bdev->poll_dev = poll_dev;
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bdev->dev = dev;
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bdev->pdata = pdata;
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platform_set_drvdata(pdev, bdev);
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error = input_register_polled_device(poll_dev);
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if (error) {
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dev_err(dev, "unable to register polled device, err=%d\n",
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error);
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goto err_free_gpio;
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}
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/* report initial state of the buttons */
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for (i = 0; i < pdata->nbuttons; i++)
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gpio_keys_polled_check_state(input, &pdata->buttons[i],
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&bdev->data[i]);
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return 0;
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err_free_gpio:
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while (--i >= 0)
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gpio_free(pdata->buttons[i].gpio);
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input_free_polled_device(poll_dev);
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err_free_bdev:
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kfree(bdev);
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platform_set_drvdata(pdev, NULL);
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return error;
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}
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static int __devexit gpio_keys_polled_remove(struct platform_device *pdev)
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{
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struct gpio_keys_polled_dev *bdev = platform_get_drvdata(pdev);
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struct gpio_keys_platform_data *pdata = bdev->pdata;
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int i;
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input_unregister_polled_device(bdev->poll_dev);
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for (i = 0; i < pdata->nbuttons; i++)
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gpio_free(pdata->buttons[i].gpio);
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input_free_polled_device(bdev->poll_dev);
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kfree(bdev);
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platform_set_drvdata(pdev, NULL);
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return 0;
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}
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static struct platform_driver gpio_keys_polled_driver = {
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.probe = gpio_keys_polled_probe,
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.remove = __devexit_p(gpio_keys_polled_remove),
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.driver = {
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.name = DRV_NAME,
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.owner = THIS_MODULE,
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},
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};
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static int __init gpio_keys_polled_init(void)
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{
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return platform_driver_register(&gpio_keys_polled_driver);
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}
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static void __exit gpio_keys_polled_exit(void)
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{
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platform_driver_unregister(&gpio_keys_polled_driver);
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}
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module_init(gpio_keys_polled_init);
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module_exit(gpio_keys_polled_exit);
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MODULE_LICENSE("GPL v2");
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MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
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MODULE_DESCRIPTION("Polled GPIO Buttons driver");
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MODULE_ALIAS("platform:" DRV_NAME);
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@ -51,7 +51,8 @@
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#define SYN_EXT_CAP_REQUESTS(c) (((c) & 0x700000) >> 20)
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#define SYN_CAP_MULTI_BUTTON_NO(ec) (((ec) & 0x00f000) >> 12)
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#define SYN_CAP_PRODUCT_ID(ec) (((ec) & 0xff0000) >> 16)
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#define SYN_CAP_CLICKPAD(ex0c) ((ex0c) & 0x100100)
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#define SYN_CAP_CLICKPAD(ex0c) ((ex0c) & 0x100000) /* 1-button ClickPad */
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#define SYN_CAP_CLICKPAD2BTN(ex0c) ((ex0c) & 0x000100) /* 2-button ClickPad */
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#define SYN_CAP_MAX_DIMENSIONS(ex0c) ((ex0c) & 0x020000)
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/* synaptics modes query bits */
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@ -1436,6 +1436,12 @@ static struct wacom_features wacom_features_0xD2 =
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{ "Wacom Bamboo Craft", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023, 63, BAMBOO_PT };
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static struct wacom_features wacom_features_0xD3 =
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{ "Wacom Bamboo 2FG 6x8", WACOM_PKGLEN_BBFUN, 21648, 13530, 1023, 63, BAMBOO_PT };
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static struct wacom_features wacom_features_0xD8 =
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{ "Wacom Bamboo Comic 2FG", WACOM_PKGLEN_BBFUN, 21648, 13530, 1023, 63, BAMBOO_PT };
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static struct wacom_features wacom_features_0xDA =
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{ "Wacom Bamboo 2FG 4x5 SE", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023, 63, BAMBOO_PT };
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static struct wacom_features wacom_features_0xDB =
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{ "Wacom Bamboo 2FG 6x8 SE", WACOM_PKGLEN_BBFUN, 21648, 13530, 1023, 63, BAMBOO_PT };
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#define USB_DEVICE_WACOM(prod) \
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USB_DEVICE(USB_VENDOR_ID_WACOM, prod), \
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@ -1504,6 +1510,9 @@ const struct usb_device_id wacom_ids[] = {
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{ USB_DEVICE_WACOM(0xD1) },
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{ USB_DEVICE_WACOM(0xD2) },
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{ USB_DEVICE_WACOM(0xD3) },
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{ USB_DEVICE_WACOM(0xD8) },
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{ USB_DEVICE_WACOM(0xDA) },
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{ USB_DEVICE_WACOM(0xDB) },
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{ USB_DEVICE_WACOM(0xF0) },
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{ USB_DEVICE_WACOM(0xCC) },
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{ USB_DEVICE_WACOM(0x90) },
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@ -178,6 +178,7 @@ static const struct usb_device_id usbtouch_devices[] = {
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#ifdef CONFIG_TOUCHSCREEN_USB_ITM
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{USB_DEVICE(0x0403, 0xf9e9), .driver_info = DEVTYPE_ITM},
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{USB_DEVICE(0x16e3, 0xf9e9), .driver_info = DEVTYPE_ITM},
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#endif
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#ifdef CONFIG_TOUCHSCREEN_USB_ETURBO
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|
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@ -16,6 +16,8 @@ struct gpio_keys_button {
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struct gpio_keys_platform_data {
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struct gpio_keys_button *buttons;
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int nbuttons;
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unsigned int poll_interval; /* polling interval in msecs -
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for polling driver only */
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unsigned int rep:1; /* enable input subsystem auto repeat */
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int (*enable)(struct device *dev);
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void (*disable)(struct device *dev);
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|
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@ -47,6 +47,25 @@ struct input_id {
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__u16 version;
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};
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/**
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* struct input_absinfo - used by EVIOCGABS/EVIOCSABS ioctls
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* @value: latest reported value for the axis.
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* @minimum: specifies minimum value for the axis.
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* @maximum: specifies maximum value for the axis.
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* @fuzz: specifies fuzz value that is used to filter noise from
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* the event stream.
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* @flat: values that are within this value will be discarded by
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* joydev interface and reported as 0 instead.
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* @resolution: specifies resolution for the values reported for
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* the axis.
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*
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||||
* Note that input core does not clamp reported values to the
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* [minimum, maximum] limits, such task is left to userspace.
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*
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* Resolution for main axes (ABS_X, ABS_Y, ABS_Z) is reported in
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* units per millimeter (units/mm), resolution for rotational axes
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* (ABS_RX, ABS_RY, ABS_RZ) is reported in units per radian.
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*/
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struct input_absinfo {
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__s32 value;
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__s32 minimum;
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@ -624,6 +643,10 @@ struct input_keymap_entry {
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#define KEY_CAMERA_FOCUS 0x210
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#define KEY_WPS_BUTTON 0x211 /* WiFi Protected Setup key */
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#define KEY_TOUCHPAD_TOGGLE 0x212 /* Request switch touchpad on or off */
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#define KEY_TOUCHPAD_ON 0x213
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#define KEY_TOUCHPAD_OFF 0x214
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#define BTN_TRIGGER_HAPPY 0x2c0
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#define BTN_TRIGGER_HAPPY1 0x2c0
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#define BTN_TRIGGER_HAPPY2 0x2c1
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@ -1130,7 +1153,7 @@ struct input_mt_slot {
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* of tracked contacts
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* @mtsize: number of MT slots the device uses
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* @slot: MT slot currently being transmitted
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* @absinfo: array of &struct absinfo elements holding information
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* @absinfo: array of &struct input_absinfo elements holding information
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* about absolute axes (current value, min, max, flat, fuzz,
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* resolution)
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* @key: reflects current state of device's keys/buttons
|
||||
|
|
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|||
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