Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754271AbZDNCbl (ORCPT ); Mon, 13 Apr 2009 22:31:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752635AbZDNCbc (ORCPT ); Mon, 13 Apr 2009 22:31:32 -0400 Received: from wa-out-1112.google.com ([209.85.146.178]:1967 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751463AbZDNCbb (ORCPT ); Mon, 13 Apr 2009 22:31:31 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:subject:date:user-agent:cc:references:in-reply-to :mime-version:content-type:content-transfer-encoding :content-disposition:message-id; b=VNThlwhmlUjWjKNjzLuN8/FQeWI+l/WiJqhntugIJ1uT1g7tHeFtQX/N6OcOelBJ9u oKNqriiCUyub+4qGOVBKQELvxiBBGzpnb4zvxs1KfGtqU1Ar7lOX8xLSzWbo/O1WtCKl gmadIt7Wj0t+FRq29stHRbqnsBD1EctB+tazY= From: Dmitry Torokhov To: Mark Lord , Jiri Kosina Subject: Re: Input driver for Twinhan USB 6253:0100 remote control Date: Mon, 13 Apr 2009 19:31:23 -0700 User-Agent: KMail/1.11.1 (Linux/2.6.27.21-170.2.56.fc10.x86_64; KDE/4.2.1; x86_64; ; ) Cc: linux-kernel@vger.kernel.org, linux-input@vger.kernel.org References: <20090408072935.GA27920@dtor-d630.eng.vmware.com> <49DCDEA9.2020502@rtr.ca> In-Reply-To: <49DCDEA9.2020502@rtr.ca> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200904131931.24009.dmitry.torokhov@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5901 Lines: 163 Hi Mark, On Wednesday 08 April 2009 10:28:09 Mark Lord wrote: > Dmitry, > > I briefly had access to a Twinhan remote control (for Mythtv et al.) > and cobbled something together quickly to make it work. > > But I really don't understand the new hid/input stuff, > so this is undoubtedly a total abomination to your eyes. :) > Actually HID is Juri's baby so let's see what he says ;). From my POV we need to update keymap to make it emit proper codes instead of Myth specific ones, but that is a lesser issue. > But if somebody could give *exact* and *detailed* instructions as > to what to do to make it "fit" the new model better, then I may still > have time (before I have to return it) to clean things up enough. > > I don't want to hear about 80-column limits, > but rather how to properly integrate this into > the newly refurbished hid stuff. > > Have a look. Currently it's just this single source file, > which has to be loaded before usbhid (not on the quirks list there yet). > > > > /* > * HID driver for Twinhan remote control > * > * Copyright (c) 2009 Mark Lord > * > * 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. > */ > > #include > #include > #include > #include > > #ifndef HID_USB_DEVICE > #error "This driver requires a 2.6.28 (or higher) Linux kernel" > #endif > > /* See /usr/include/linux/input.h for all possible KEY_* definitions */ > > static unsigned int twinhan_keymap (unsigned int key) > { > switch (key) { > case 0x04: key = KEY_RESERVED ; break; // Teletext () > case 0x06: key = KEY_ESC ; break; // Recall (myth > Escape/Cancel/Back) case 0x08: key = KEY_S ; break; // EPG (myth > guide) > case 0x0c: key = KEY_HOME ; break; // Rewind (myth commskip back) > case 0x0e: key = KEY_P ; break; // Preview (myth playback) > case 0x0f: key = KEY_F3 ; break; // RecordList (myth DVD root > menu) case 0x10: key = KEY_F9 ; break; // Mute (myth mute ??) > case 0x11: key = KEY_END ; break; // Forward (myth commskip > forward) case 0x13: key = KEY_RESERVED ; break; // Capture () > case 0x17: key = KEY_P ; break; // Pause (myth Pause) > case 0x19: key = KEY_M ; break; // Favorite (myth Menu) > case 0x1d: key = KEY_W ; break; // FullScreen (myth aspect ratio > zoom) case 0x1e: key = KEY_1 ; break; // 1 (myth 1) > case 0x1f: key = KEY_2 ; break; // 2 (myth 2) > case 0x20: key = KEY_3 ; break; // 3 (myth 3) > case 0x21: key = KEY_4 ; break; // 4 (myth 4) > case 0x22: key = KEY_5 ; break; // 5 (myth 5) > case 0x23: key = KEY_6 ; break; // 6 (myth 6) > case 0x24: key = KEY_7 ; break; // 7 (myth 7) > case 0x25: key = KEY_8 ; break; // 8 (myth 8) > case 0x26: key = KEY_9 ; break; // 9 (myth 9) > case 0x27: key = KEY_0 ; break; // 0 (myth 0) > case 0x29: key = KEY_ESC ; break; // Cancel (myth > Escape/Cancel/Back) case 0x28: key = KEY_ENTER ; break; // Play (myth > Okay/Play) case 0x2b: key = KEY_RESERVED ; break; // Tab () > case 0x3f: key = KEY_F2 ; break; // Power (myth function key 2) > case 0x4a: key = KEY_R ; break; // Record (myth record) > case 0x4b: key = KEY_UP ; break; // Up/CH+ (myth up) > case 0x4d: key = KEY_B ; break; // Stop (myth adjust audio sync) > case 0x4e: key = KEY_DOWN ; break; // Down/CH- (myth down) > case 0x51: key = KEY_LEFT ; break; // Left/VOL- (myth left) > case 0x52: key = KEY_RIGHT ; break; // Right/VOL+ (myth right) > //case 0xe0: // excess code from Power button > //case 0xe1: // excess code from Power,Left,Right buttons > //case 0xe2: // excess code from Power button > //case 0xef: // excess code from Power button > default: key = KEY_RESERVED ; break; // ignored > } > return key; > } > > static int twinhan_event(struct hid_device *hdev, struct hid_field *field, > struct hid_usage *usage, __s32 value) > { > struct input_dev *input = field->hidinput->input; > static unsigned int last_key = 0; > unsigned int key; > int ret = 0; > > if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || > !usage->type) return 0; > if ((usage->hid & HID_USAGE_PAGE) != HID_UP_KEYBOARD) > return 0; > > if (last_key) { > input_event(input, usage->type, last_key, 0); > last_key = 0; > ret = 1; > } > if (value) { > unsigned int val = usage->hid & HID_USAGE; > key = twinhan_keymap(val); > if (key) { > input_event(input, usage->type, key, 1); > last_key = key; > } > ret = 1; > } > return ret; > } > > static const struct hid_device_id twinhan_devices[] = { > { HID_USB_DEVICE(0x6253, 0x0100) }, > { } > }; > MODULE_DEVICE_TABLE(hid, twinhan_devices); > > static struct hid_driver twinhan_driver = { > .name = "twinhan", > .id_table = twinhan_devices, > .event = twinhan_event, > }; > > static int twinhan_init(void) > { > return hid_register_driver(&twinhan_driver); > } > > static void twinhan_exit(void) > { > hid_unregister_driver(&twinhan_driver); > } > > module_init(twinhan_init); > module_exit(twinhan_exit); > MODULE_LICENSE("GPL"); > -- > To unsubscribe from this list: send the line "unsubscribe linux-input" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Dmitry -- 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/