From patchwork Thu Nov 12 12:21:35 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Hans Verkuil (hansverk)" X-Patchwork-Id: 7601731 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 7AC209F1C2 for ; Thu, 12 Nov 2015 12:32:16 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 33E532076B for ; Thu, 12 Nov 2015 12:32:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E686920767 for ; Thu, 12 Nov 2015 12:32:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753053AbbKLMcG (ORCPT ); Thu, 12 Nov 2015 07:32:06 -0500 Received: from aer-iport-4.cisco.com ([173.38.203.54]:11831 "EHLO aer-iport-4.cisco.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752589AbbKLMcE (ORCPT ); Thu, 12 Nov 2015 07:32:04 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=9903; q=dns/txt; s=iport; t=1447331523; x=1448541123; h=from:to:cc:subject:date:message-id; bh=DN5StcAUes5cM/SLC0NXw3FeGVcvblAmqAZtjMjnxmE=; b=YhMFQae7H43R4fwrp5A7SucoRJhg8BxtVx7QPoy4PYBpsZ+3l8fhjwHC cZUKbe/azA4V6fqfbJHr4mMy2aVeyxqKWG5Isgsfn7AWrYtKX6Ke8vKfa kp+NEMp+xOd3Dg/VUwdIZuM/BSpHMmzbFvhM/4b7+3aJ7Eym5Wxu6ocp8 Q=; X-IronPort-AV: E=Sophos;i="5.20,281,1444694400"; d="scan'208";a="608212361" Received: from aer-iport-nat.cisco.com (HELO aer-core-4.cisco.com) ([173.38.203.22]) by aer-iport-4.cisco.com with ESMTP; 12 Nov 2015 12:22:00 +0000 Received: from cobaltpc1.rd.cisco.com ([10.47.79.222]) by aer-core-4.cisco.com (8.14.5/8.14.5) with ESMTP id tACCLvM6009470; Thu, 12 Nov 2015 12:21:59 GMT From: Hans Verkuil To: linux-media@vger.kernel.org Cc: dri-devel@lists.freedesktop.org, linux-input@vger.kernel.org, linux-samsung-soc@vger.kernel.org, lars@opdenkamp.eu, linux@arm.linux.org.uk, Kamil Debski , Hans Verkuil Subject: [PATCHv10 06/16] rc: Add HDMI CEC protocol handling Date: Thu, 12 Nov 2015 13:21:35 +0100 Message-Id: X-Mailer: git-send-email 2.6.2 In-Reply-To: References: In-Reply-To: References: Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-14.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY, USER_IN_DEF_DKIM_WL autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Kamil Debski Add handling of remote control events coming from the HDMI CEC bus. This patch includes a new keymap that maps values found in the CEC messages to the keys pressed and released. Also, a new protocol has been added to the core. Signed-off-by: Kamil Debski Signed-off-by: Hans Verkuil --- drivers/media/rc/keymaps/Makefile | 1 + drivers/media/rc/keymaps/rc-cec.c | 174 ++++++++++++++++++++++++++++++++++++++ drivers/media/rc/rc-main.c | 1 + include/media/rc-core.h | 1 + include/media/rc-map.h | 5 +- 5 files changed, 181 insertions(+), 1 deletion(-) create mode 100644 drivers/media/rc/keymaps/rc-cec.c diff --git a/drivers/media/rc/keymaps/Makefile b/drivers/media/rc/keymaps/Makefile index fbbd3bb..9cffcc6 100644 --- a/drivers/media/rc/keymaps/Makefile +++ b/drivers/media/rc/keymaps/Makefile @@ -18,6 +18,7 @@ obj-$(CONFIG_RC_MAP) += rc-adstech-dvb-t-pci.o \ rc-behold.o \ rc-behold-columbus.o \ rc-budget-ci-old.o \ + rc-cec.o \ rc-cinergy-1400.o \ rc-cinergy.o \ rc-delock-61959.o \ diff --git a/drivers/media/rc/keymaps/rc-cec.c b/drivers/media/rc/keymaps/rc-cec.c new file mode 100644 index 0000000..193cdca --- /dev/null +++ b/drivers/media/rc/keymaps/rc-cec.c @@ -0,0 +1,174 @@ +/* Keytable for the CEC remote control + * + * Copyright (c) 2015 by Kamil Debski + * + * 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 + +/* CEC Spec "High-Definition Multimedia Interface Specification" can be obtained + * here: http://xtreamerdev.googlecode.com/files/CEC_Specs.pdf + * The list of control codes is listed in Table 27: User Control Codes p. 95 */ + +static struct rc_map_table cec[] = { + { 0x00, KEY_OK }, + { 0x01, KEY_UP }, + { 0x02, KEY_DOWN }, + { 0x03, KEY_LEFT }, + { 0x04, KEY_RIGHT }, + { 0x05, KEY_RIGHT_UP }, + { 0x06, KEY_RIGHT_DOWN }, + { 0x07, KEY_LEFT_UP }, + { 0x08, KEY_LEFT_DOWN }, + { 0x09, KEY_ROOT_MENU }, /* CEC Spec: Device Root Menu - see Note 2 */ + /* Note 2: This is the initial display that a device shows. It is + * device-dependent and can be, for example, a contents menu, setup + * menu, favorite menu or other menu. The actual menu displayed + * may also depend on the device's current state. */ + { 0x0a, KEY_SETUP }, + { 0x0b, KEY_MENU }, /* CEC Spec: Contents Menu */ + { 0x0c, KEY_FAVORITES }, /* CEC Spec: Favorite Menu */ + { 0x0d, KEY_EXIT }, + /* 0x0e-0x0f: Reserved */ + { 0x10, KEY_MEDIA_TOP_MENU }, + { 0x11, KEY_CONTEXT_MENU }, + /* 0x12-0x1c: Reserved */ + { 0x1d, KEY_DIGITS }, /* CEC Spec: select/toggle a Number Entry Mode */ + { 0x1e, KEY_NUMERIC_11 }, + { 0x1f, KEY_NUMERIC_12 }, + /* 0x20-0x29: Keys 0 to 9 */ + { 0x20, KEY_NUMERIC_0 }, + { 0x21, KEY_NUMERIC_1 }, + { 0x22, KEY_NUMERIC_2 }, + { 0x23, KEY_NUMERIC_3 }, + { 0x24, KEY_NUMERIC_4 }, + { 0x25, KEY_NUMERIC_5 }, + { 0x26, KEY_NUMERIC_6 }, + { 0x27, KEY_NUMERIC_7 }, + { 0x28, KEY_NUMERIC_8 }, + { 0x29, KEY_NUMERIC_9 }, + { 0x2a, KEY_DOT }, + { 0x2b, KEY_ENTER }, + { 0x2c, KEY_CLEAR }, + /* 0x2d-0x2e: Reserved */ + { 0x2f, KEY_NEXT_FAVORITE }, /* CEC Spec: Next Favorite */ + { 0x30, KEY_CHANNELUP }, + { 0x31, KEY_CHANNELDOWN }, + { 0x32, KEY_PREVIOUS }, /* CEC Spec: Previous Channel */ + { 0x33, KEY_SOUND }, /* CEC Spec: Sound Select */ + { 0x34, KEY_VIDEO }, /* 0x34: CEC Spec: Input Select */ + { 0x35, KEY_INFO }, /* CEC Spec: Display Information */ + { 0x36, KEY_HELP }, + { 0x37, KEY_PAGEUP }, + { 0x38, KEY_PAGEDOWN }, + /* 0x39-0x3f: Reserved */ + { 0x40, KEY_POWER }, + { 0x41, KEY_VOLUMEUP }, + { 0x42, KEY_VOLUMEDOWN }, + { 0x43, KEY_MUTE }, + { 0x44, KEY_PLAYCD }, + { 0x45, KEY_STOPCD }, + { 0x46, KEY_PAUSECD }, + { 0x47, KEY_RECORD }, + { 0x48, KEY_REWIND }, + { 0x49, KEY_FASTFORWARD }, + { 0x4a, KEY_EJECTCD }, /* CEC Spec: Eject */ + { 0x4b, KEY_FORWARD }, + { 0x4c, KEY_BACK }, + { 0x4d, KEY_STOP_RECORD }, /* CEC Spec: Stop-Record */ + { 0x4e, KEY_PAUSE_RECORD }, /* CEC Spec: Pause-Record */ + /* 0x4f: Reserved */ + { 0x50, KEY_ANGLE }, + { 0x51, KEY_TV2 }, + { 0x52, KEY_VOD }, /* CEC Spec: Video on Demand */ + { 0x53, KEY_EPG }, + { 0x54, KEY_TIME }, /* CEC Spec: Timer */ + { 0x55, KEY_CONFIG }, + /* The following codes are hard to implement at this moment, as they + * carry an additional additional argument. Most likely changes to RC + * framework are necessary. + * For now they are interpreted by the CEC framework as non keycodes + * and are passed as messages enabling user application to parse them. + * */ + /* 0x56: CEC Spec: Select Broadcast Type */ + /* 0x57: CEC Spec: Select Sound presentation */ + { 0x58, KEY_AUDIO_DESC }, /* CEC 2.0 and up */ + { 0x59, KEY_WWW }, /* CEC 2.0 and up */ + { 0x5a, KEY_3D_MODE }, /* CEC 2.0 and up */ + /* 0x5b-0x5f: Reserved */ + { 0x60, KEY_PLAYCD }, /* CEC Spec: Play Function */ + { 0x6005, KEY_FASTFORWARD }, + { 0x6006, KEY_FASTFORWARD }, + { 0x6007, KEY_FASTFORWARD }, + { 0x6015, KEY_SLOW }, + { 0x6016, KEY_SLOW }, + { 0x6017, KEY_SLOW }, + { 0x6009, KEY_FASTREVERSE }, + { 0x600a, KEY_FASTREVERSE }, + { 0x600b, KEY_FASTREVERSE }, + { 0x6019, KEY_SLOWREVERSE }, + { 0x601a, KEY_SLOWREVERSE }, + { 0x601b, KEY_SLOWREVERSE }, + { 0x6020, KEY_REWIND }, + { 0x6024, KEY_PLAYCD }, + { 0x6025, KEY_PAUSECD }, + { 0x61, KEY_PLAYPAUSE }, /* CEC Spec: Pause-Play Function */ + { 0x62, KEY_RECORD }, /* Spec: Record Function */ + { 0x63, KEY_PAUSE_RECORD }, /* CEC Spec: Pause-Record Function */ + { 0x64, KEY_STOPCD }, /* CEC Spec: Stop Function */ + { 0x65, KEY_MUTE }, /* CEC Spec: Mute Function */ + { 0x66, KEY_UNMUTE }, /* CEC Spec: Restore the volume */ + /* The following codes are hard to implement at this moment, as they + * carry an additional additional argument. Most likely changes to RC + * framework are necessary. + * For now they are interpreted by the CEC framework as non keycodes + * and are passed as messages enabling user application to parse them. + * */ + /* 0x67: CEC Spec: Tune Function */ + /* 0x68: CEC Spec: Seleect Media Function */ + /* 0x69: CEC Spec: Select A/V Input Function */ + /* 0x6a: CEC Spec: Select Audio Input Function */ + { 0x6b, KEY_POWER }, /* CEC Spec: Power Toggle Function */ + { 0x6c, KEY_SLEEP }, /* CEC Spec: Power Off Function */ + { 0x6d, KEY_WAKEUP }, /* CEC Spec: Power On Function */ + /* 0x6e-0x70: Reserved */ + { 0x71, KEY_BLUE }, /* CEC Spec: F1 (Blue) */ + { 0x72, KEY_RED }, /* CEC Spec: F2 (Red) */ + { 0x73, KEY_GREEN }, /* CEC Spec: F3 (Green) */ + { 0x74, KEY_YELLOW }, /* CEC Spec: F4 (Yellow) */ + { 0x75, KEY_F5 }, + { 0x76, KEY_DATA }, /* CEC Spec: Data - see Note 3 */ + /* Note 3: This is used, for example, to enter or leave a digital TV + * data broadcast application. */ + /* 0x77-0xff: Reserved */ +}; + +static struct rc_map_list cec_map = { + .map = { + .scan = cec, + .size = ARRAY_SIZE(cec), + .rc_type = RC_TYPE_CEC, + .name = RC_MAP_CEC, + } +}; + +static int __init init_rc_map_cec(void) +{ + return rc_map_register(&cec_map); +} + +static void __exit exit_rc_map_cec(void) +{ + rc_map_unregister(&cec_map); +} + +module_init(init_rc_map_cec); +module_exit(exit_rc_map_cec); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Kamil Debski"); diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c index 3f0f71a..a639ea6 100644 --- a/drivers/media/rc/rc-main.c +++ b/drivers/media/rc/rc-main.c @@ -801,6 +801,7 @@ static struct { { RC_BIT_SHARP, "sharp" }, { RC_BIT_MCE_KBD, "mce_kbd" }, { RC_BIT_XMP, "xmp" }, + { RC_BIT_CEC, "cec" }, }; /** diff --git a/include/media/rc-core.h b/include/media/rc-core.h index ec921f6..d4d5050 100644 --- a/include/media/rc-core.h +++ b/include/media/rc-core.h @@ -32,6 +32,7 @@ do { \ enum rc_driver_type { RC_DRIVER_SCANCODE = 0, /* Driver or hardware generates a scancode */ RC_DRIVER_IR_RAW, /* Needs a Infra-Red pulse/space decoder */ + RC_DRIVER_CEC, }; /** diff --git a/include/media/rc-map.h b/include/media/rc-map.h index 7c4bbc4..d9f87d5 100644 --- a/include/media/rc-map.h +++ b/include/media/rc-map.h @@ -31,6 +31,7 @@ enum rc_type { RC_TYPE_RC6_MCE = 16, /* MCE (Philips RC6-6A-32 subtype) protocol */ RC_TYPE_SHARP = 17, /* Sharp protocol */ RC_TYPE_XMP = 18, /* XMP protocol */ + RC_TYPE_CEC = 19, /* CEC protocol */ }; #define RC_BIT_NONE 0 @@ -53,6 +54,7 @@ enum rc_type { #define RC_BIT_RC6_MCE (1 << RC_TYPE_RC6_MCE) #define RC_BIT_SHARP (1 << RC_TYPE_SHARP) #define RC_BIT_XMP (1 << RC_TYPE_XMP) +#define RC_BIT_CEC (1 << RC_TYPE_CEC) #define RC_BIT_ALL (RC_BIT_UNKNOWN | RC_BIT_OTHER | \ RC_BIT_RC5 | RC_BIT_RC5X | RC_BIT_RC5_SZ | \ @@ -61,7 +63,7 @@ enum rc_type { RC_BIT_NEC | RC_BIT_SANYO | RC_BIT_MCE_KBD | \ RC_BIT_RC6_0 | RC_BIT_RC6_6A_20 | RC_BIT_RC6_6A_24 | \ RC_BIT_RC6_6A_32 | RC_BIT_RC6_MCE | RC_BIT_SHARP | \ - RC_BIT_XMP) + RC_BIT_XMP | RC_BIT_CEC) #define RC_SCANCODE_UNKNOWN(x) (x) @@ -123,6 +125,7 @@ void rc_map_init(void); #define RC_MAP_BEHOLD_COLUMBUS "rc-behold-columbus" #define RC_MAP_BEHOLD "rc-behold" #define RC_MAP_BUDGET_CI_OLD "rc-budget-ci-old" +#define RC_MAP_CEC "rc-cec" #define RC_MAP_CINERGY_1400 "rc-cinergy-1400" #define RC_MAP_CINERGY "rc-cinergy" #define RC_MAP_DELOCK_61959 "rc-delock-61959"