From patchwork Mon May 21 12:53:26 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ramalingam C X-Patchwork-Id: 10415137 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 3FDAB600CC for ; Mon, 21 May 2018 13:03:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 301DA28899 for ; Mon, 21 May 2018 13:03:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2E00228878; Mon, 21 May 2018 13:03:03 +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=-5.2 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D0DB7288A2 for ; Mon, 21 May 2018 13:03:02 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8D03C6F0AE; Mon, 21 May 2018 13:02:43 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id E523D6F0A9; Mon, 21 May 2018 13:02:41 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 May 2018 06:02:41 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,426,1520924400"; d="scan'208";a="40968258" Received: from mint-dev.iind.intel.com ([10.223.25.164]) by fmsmga007.fm.intel.com with ESMTP; 21 May 2018 06:02:37 -0700 From: Ramalingam C To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Date: Mon, 21 May 2018 18:23:26 +0530 Message-Id: <1526907240-17639-8-git-send-email-ramalingam.c@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1526907240-17639-1-git-send-email-ramalingam.c@intel.com> References: <1526907240-17639-1-git-send-email-ramalingam.c@intel.com> Subject: [Intel-gfx] [PATCH v4 07/41] linux/mei: Header for mei_hdcp driver interface X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alexander.usyskin@intel.com, tomas.winkler@intel.com MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP Data structures and Enum for the I915-MEI_HDCP interface are defined at v2: Rebased. v3: mei_cl_device is removed from mei_hdcp_data [Tomas] v4: Comment style and typo fixed [Uma] Signed-off-by: Ramalingam C --- include/linux/mei_hdcp.h | 70 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) diff --git a/include/linux/mei_hdcp.h b/include/linux/mei_hdcp.h index 9c8f140f5344..c8a8c12782d2 100644 --- a/include/linux/mei_hdcp.h +++ b/include/linux/mei_hdcp.h @@ -27,11 +27,81 @@ #ifndef _LINUX_MEI_HDCP_H #define _LINUX_MEI_HDCP_H +#include + enum mei_cldev_state { MEI_CLDEV_DISABLED, MEI_CLDEV_ENABLED }; +/* + * Enumeration of the physical DDI available on the platform + */ +enum hdcp_physical_port { + INVALID_PORT = 0x00, /* Not a valid port */ + + DDI_RANGE_BEGIN = 0x01, /* Beginning of the valid DDI port range */ + DDI_B = 0x01, /* Port DDI B */ + DDI_C = 0x02, /* Port DDI C */ + DDI_D = 0x03, /* Port DDI D */ + DDI_E = 0x04, /* Port DDI E */ + DDI_F = 0x05, /* Port DDI F */ + DDI_A = 0x07, /* Port DDI A */ + DDI_RANGE_END = DDI_A,/* End of the valid DDI port range */ +}; + +/* The types of HDCP 2.2 ports supported */ +enum hdcp_integrated_port_type { + HDCP_INVALID_TYPE = 0x00, + + /* HDCP 2.x ports that are integrated into Intel HW */ + INTEGRATED = 0x01, + + /* HDCP2.2 discrete wired Tx port with LSPCON (HDMI 2.0) solution */ + LSPCON = 0x02, + + /* HDCP2.2 discrete wired Tx port using the CPDP (DP 1.3) solution */ + CPDP = 0x03, +}; + +/* + * wired_protocol: Supported integrated wired HDCP protocol. + * Based on this value, Minor difference needed between wired specifications + * are handled. + */ +enum hdcp_protocol { + HDCP_PROTOCOL_INVALID, + HDCP_PROTOCOL_HDMI, + HDCP_PROTOCOL_DP +}; + +/* + * mei_hdcp_data: Input data to the mei_hdcp APIs. + */ +struct mei_hdcp_data { + enum hdcp_physical_port port; + enum hdcp_integrated_port_type port_type; + enum hdcp_protocol protocol; + + /* + * No of streams transmitted on a port. + * In case of HDMI & DP SST, single stream will be + * transmitted on a port. + */ + uint16_t k; + + /* + * Count of RepeaterAuth_Stream_Manage msg propagated. + * Initialized to 0 on AKE_INIT. Incremented after every successful + * transmission of RepeaterAuth_Stream_Manage message. When it rolls + * over re-Auth has to be triggered. + */ + uint32_t seq_num_m; + + /* k(No of Streams per port) x structure of wired_streamid_type */ + struct hdcp2_streamid_type *streams; +}; + #if IS_ENABLED(CONFIG_INTEL_MEI_HDCP) int mei_cldev_register_notify(struct notifier_block *nb); int mei_cldev_unregister_notify(struct notifier_block *nb);