From patchwork Fri Sep 22 18:37:54 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 9966833 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id D0B0B60381 for ; Fri, 22 Sep 2017 18:41:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C7BD925223 for ; Fri, 22 Sep 2017 18:41:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BC686298F0; Fri, 22 Sep 2017 18:41:05 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 775C6299CA for ; Fri, 22 Sep 2017 18:41:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751878AbdIVSia (ORCPT ); Fri, 22 Sep 2017 14:38:30 -0400 Received: from mx1.redhat.com ([209.132.183.28]:50640 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751845AbdIVSi2 (ORCPT ); Fri, 22 Sep 2017 14:38:28 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 18987C0828C3; Fri, 22 Sep 2017 18:38:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 18987C0828C3 Authentication-Results: ext-mx07.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx07.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=hdegoede@redhat.com Received: from dhcp-45-79.space.revspace.nl.com (ovpn-112-18.ams2.redhat.com [10.36.112.18]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8515560463; Fri, 22 Sep 2017 18:38:24 +0000 (UTC) From: Hans de Goede To: MyungJoo Ham , Chanwoo Choi , Guenter Roeck , Heikki Krogerus , Darren Hart , Andy Shevchenko , Peter Rosin , Mathias Nyman Cc: Hans de Goede , linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org, devel@driverdev.osuosl.org, Kuppuswamy Sathyanarayanan , Sathyanarayanan Kuppuswamy Natarajan , Greg Kroah-Hartman , linux-usb@vger.kernel.org Subject: [PATCH v3 05/14] mux: core: Add usb.h header with MUX_USB_* and and MUX_TYPEC_* state constants Date: Fri, 22 Sep 2017 20:37:54 +0200 Message-Id: <20170922183803.10701-5-hdegoede@redhat.com> In-Reply-To: <20170922183803.10701-1-hdegoede@redhat.com> References: <20170922183803.10701-1-hdegoede@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Fri, 22 Sep 2017 18:38:28 +0000 (UTC) Sender: platform-driver-x86-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add MUX_USB_* and MUX_TYPEC_* state constant defines, which can be used by USB device/host, resp. Type-C polarity/role/altmode mux drivers and consumers to ensure that they agree on the meaning of the mux_control_select() state argument. Signed-off-by: Hans de Goede --- Changes in v2: -Start numbering of defines at 0 not 1 -Use a new usb.h header, rather then adding these to consumer.h -Add separate MUX_USB_* and MUX_TYPEC_* defines Changes in v3: -Simplify MUX_TYPEC_* states, drop having separate USB HOST / DEVICE states --- include/linux/mux/usb.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 include/linux/mux/usb.h diff --git a/include/linux/mux/usb.h b/include/linux/mux/usb.h new file mode 100644 index 000000000000..2fec06846e14 --- /dev/null +++ b/include/linux/mux/usb.h @@ -0,0 +1,31 @@ +/* + * mux/usb.h - definitions for USB multiplexers + * + * Copyright (C) 2017 Hans de Goede + * + * 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. + */ +#ifndef _LINUX_MUX_USB_H +#define _LINUX_MUX_USB_H + +/* Mux state values for USB device/host role muxes */ +#define MUX_USB_DEVICE (0) /* USB device mode */ +#define MUX_USB_HOST (1) /* USB host mode */ +#define MUX_USB_STATES (2) + +/* + * Mux state values for Type-C polarity/role/altmode muxes. + * + * MUX_TYPEC_POLARITY_INV may be or-ed together with any other mux-state as + * inverted-polarity (Type-C plugged in upside down) can happen with any + * other mux-state. + */ +#define MUX_TYPEC_POLARITY_INV BIT(0) /* Polarity inverted bit */ +#define MUX_TYPEC_USB (0 << 1) /* USB only mode */ +#define MUX_TYPEC_USB_AND_DP (1 << 1) /* USB host + 2 lanes DP */ +#define MUX_TYPEC_DP (2 << 1) /* 4 lanes Display Port */ +#define MUX_TYPEC_STATES (3 << 1) + +#endif /* _LINUX_MUX_TYPEC_H */