Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965297AbXAKGI0 (ORCPT ); Thu, 11 Jan 2007 01:08:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965300AbXAKGI0 (ORCPT ); Thu, 11 Jan 2007 01:08:26 -0500 Received: from [202.75.186.170] ([202.75.186.170]:1228 "EHLO localhost.localdomain" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S965297AbXAKGIZ (ORCPT ); Thu, 11 Jan 2007 01:08:25 -0500 X-Greylist: delayed 1300 seconds by postgrey-1.27 at vger.kernel.org; Thu, 11 Jan 2007 01:08:19 EST Date: Thu, 11 Jan 2007 13:19:47 +0800 Message-Id: <200701110519.l0B5Jl5B026909@localhost.localdomain> From: jayakumar.acpi@gmail.com Subject: [PATCH 2.6.19 1/1] input: Atlas button driver To: linux-input@atrey.karlin.mff.cuni.cz, linux-kernel@vger.kernel.org, dmitry.torokhov@gmail.com, akpm@osdl.org, akpm@kernel.org Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 7165 Lines: 223 This patch adds support for the buttons on the Atlas wallmount touchscreen. Signed-off-by: Jaya Kumar --- Kconfig | 10 +++ Makefile | 1 atlas_btns.c | 170 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 181 insertions(+) --- diff -X linux-2.6.19-vanilla/Documentation/dontdiff -uprN linux-2.6.19-vanilla/drivers/input/misc/atlas_btns.c linux-2.6.19-atlas/drivers/input/misc/atlas_btns.c --- linux-2.6.19-vanilla/drivers/input/misc/atlas_btns.c 1970-01-01 07:30:00.000000000 +0730 +++ linux-2.6.19-atlas/drivers/input/misc/atlas_btns.c 2007-01-07 09:38:23.000000000 +0800 @@ -0,0 +1,170 @@ +/* + * atlas_btns.c - Atlas Wallmount Touchscreen ACPI Extras + * + * Copyright (C) 2006 Jaya Kumar + * Based on Toshiba ACPI by John Belmonte and ASUS ACPI + * This work was sponsored by CIS(M) Sdn Bhd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include +#include +#include +#include +#include +#include +#include + +#define ACPI_ATLAS_NAME "Atlas ACPI" +#define ACPI_ATLAS_CLASS "Atlas" +#define ACPI_ATLAS_BUTTON_HID "ASIM0000" + +static struct input_dev *input_dev; + +/* button handling code */ +static acpi_status acpi_atlas_button_setup(acpi_handle region_handle, + u32 function, void *handler_context, void **return_context) +{ + *return_context = + (function != ACPI_REGION_DEACTIVATE) ? handler_context : NULL; + + return AE_OK; +} + +static acpi_status acpi_atlas_button_handler(u32 function, + acpi_physical_address address, + u32 bit_width, acpi_integer *value, + void *handler_context, void *region_context) +{ + acpi_status status; + int keycode; + + if (function == ACPI_WRITE) { + keycode = KEY_F1 + (address & 0x0F); + input_report_key(input_dev, keycode, !(address & 0x10)); + input_sync(input_dev); + status = 0; + } else { + printk(KERN_WARNING "atlas: shrugged on unexpected function" + ":function=%x,address=%lx,value=%x\n", + function, (unsigned long)address, (u32)*value); + status = -EINVAL; + } + + return status; +} + +static int atlas_acpi_button_add(struct acpi_device *device) +{ + acpi_status status; + int err; + + input_dev = input_allocate_device(); + if (!input_dev) { + printk(KERN_ERR "atlas: insufficient mem to allocate input " + "device\n"); + return -ENOMEM; + } + + input_dev->name = "Atlas ACPI button driver"; + input_dev->phys = "ASIM0000/atlas/input0"; + input_dev->id.bustype = BUS_HOST; + input_dev->evbit[LONG(EV_KEY)] = BIT(EV_KEY); + + set_bit(KEY_F1, input_dev->keybit); + set_bit(KEY_F2, input_dev->keybit); + set_bit(KEY_F3, input_dev->keybit); + set_bit(KEY_F4, input_dev->keybit); + set_bit(KEY_F5, input_dev->keybit); + set_bit(KEY_F6, input_dev->keybit); + set_bit(KEY_F7, input_dev->keybit); + set_bit(KEY_F8, input_dev->keybit); + set_bit(KEY_F9, input_dev->keybit); + + err = input_register_device(input_dev); + if (err) { + printk(KERN_ERR "atlas: couldn't register input device\n"); + input_free_device(input_dev); + return err; + } + + /* hookup button handler */ + status = acpi_install_address_space_handler(device->handle, + 0x81, &acpi_atlas_button_handler, + &acpi_atlas_button_setup, device); + if (ACPI_FAILURE(status)) { + printk(KERN_ERR "Atlas: Error installing addr spc handler\n"); + input_unregister_device(input_dev); + status = -EINVAL; + } + + return status; +} + +static int atlas_acpi_button_remove(struct acpi_device *device, int type) +{ + acpi_status status; + + status = acpi_remove_address_space_handler(device->handle, + 0x81, &acpi_atlas_button_handler); + if (ACPI_FAILURE(status)) { + printk(KERN_ERR "Atlas: Error removing addr spc handler\n"); + status = -EINVAL; + } + + input_unregister_device(input_dev); + return status; +} + +static struct acpi_driver atlas_acpi_driver = { + .name = ACPI_ATLAS_NAME, + .class = ACPI_ATLAS_CLASS, + .ids = ACPI_ATLAS_BUTTON_HID, + .ops = { + .add = atlas_acpi_button_add, + .remove = atlas_acpi_button_remove, + }, +}; + +static int atlas_acpi_init(void) +{ + int result; + + if (acpi_disabled) + return -ENODEV; + + result = acpi_bus_register_driver(&atlas_acpi_driver); + if (result < 0) { + printk(KERN_ERR "Atlas ACPI: Unable to register driver\n"); + return -ENODEV; + } + + return 0; +} + +static void atlas_acpi_exit(void) +{ + acpi_bus_unregister_driver(&atlas_acpi_driver); +} + +module_init(atlas_acpi_init); +module_exit(atlas_acpi_exit); + +MODULE_AUTHOR("Jaya Kumar"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Atlas button driver"); + diff -X linux-2.6.19-vanilla/Documentation/dontdiff -uprN linux-2.6.19-vanilla/drivers/input/misc/Kconfig linux-2.6.19-atlas/drivers/input/misc/Kconfig --- linux-2.6.19-vanilla/drivers/input/misc/Kconfig 2006-12-10 13:37:46.000000000 +0800 +++ linux-2.6.19-atlas/drivers/input/misc/Kconfig 2007-01-07 09:26:15.000000000 +0800 @@ -50,6 +50,16 @@ config INPUT_WISTRON_BTNS To compile this driver as a module, choose M here: the module will be called wistron_btns. +config INPUT_ATLAS_BTNS + tristate "x86 Atlas button interface" + depends on X86 && ACPI + help + Say Y here for support of Atlas wallmount touchscreen buttons. + The events will show up as scancodes F1 through F9 via evdev. + + To compile this driver as a module, choose M here: the module will + be called atlas_btns. + config INPUT_IXP4XX_BEEPER tristate "IXP4XX Beeper support" depends on ARCH_IXP4XX diff -X linux-2.6.19-vanilla/Documentation/dontdiff -uprN linux-2.6.19-vanilla/drivers/input/misc/Makefile linux-2.6.19-atlas/drivers/input/misc/Makefile --- linux-2.6.19-vanilla/drivers/input/misc/Makefile 2006-12-10 13:37:46.000000000 +0800 +++ linux-2.6.19-atlas/drivers/input/misc/Makefile 2007-01-07 09:26:15.000000000 +0800 @@ -9,5 +9,6 @@ obj-$(CONFIG_INPUT_PCSPKR) += pcspkr.o obj-$(CONFIG_INPUT_M68K_BEEP) += m68kspkr.o obj-$(CONFIG_INPUT_UINPUT) += uinput.o obj-$(CONFIG_INPUT_WISTRON_BTNS) += wistron_btns.o +obj-$(CONFIG_INPUT_ATLAS_BTNS) += atlas_btns.o obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.o obj-$(CONFIG_INPUT_IXP4XX_BEEPER) += ixp4xx-beeper.o - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/