From patchwork Mon Aug 19 15:24:11 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ramalingam C X-Patchwork-Id: 11101273 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B6D5E184E for ; Mon, 19 Aug 2019 15:25:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A764D205FD for ; Mon, 19 Aug 2019 15:25:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A4D8A28929; Mon, 19 Aug 2019 15:25:03 +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=unavailable 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 992B328455 for ; Mon, 19 Aug 2019 15:25:02 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B153989C6C; Mon, 19 Aug 2019 15:24:54 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id F012589C6C; Mon, 19 Aug 2019 15:24:52 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Aug 2019 08:24:52 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,405,1559545200"; d="scan'208";a="182898204" Received: from ramaling-i9x.iind.intel.com ([10.99.66.154]) by orsmga006.jf.intel.com with ESMTP; 19 Aug 2019 08:24:50 -0700 From: Ramalingam C To: intel-gfx , dri-devel , Sharma Shashank Subject: [PATCH v6 2/3] misc/mei_hdcp: Adding the transcoder detail in payload input Date: Mon, 19 Aug 2019 20:54:11 +0530 Message-Id: <20190819152412.21318-3-ramalingam.c@intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190819152412.21318-1-ramalingam.c@intel.com> References: <20190819152412.21318-1-ramalingam.c@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP ME FW takes the transcoder details for Gen12+ platforms, as HDCP HW block is moved to transcoders. hdcp_port_data is extended with enum transcoder. Payload structure is modified and populated from the hdcp_port_data. Signed-off-by: Ramalingam C --- drivers/misc/mei/hdcp/mei_hdcp.c | 27 +++++++++++++++++++++++++++ drivers/misc/mei/hdcp/mei_hdcp.h | 15 ++++++++++++++- include/drm/i915_mei_hdcp_interface.h | 2 ++ 3 files changed, 43 insertions(+), 1 deletion(-) diff --git a/drivers/misc/mei/hdcp/mei_hdcp.c b/drivers/misc/mei/hdcp/mei_hdcp.c index c681f6fab342..7efe3b65a986 100644 --- a/drivers/misc/mei/hdcp/mei_hdcp.c +++ b/drivers/misc/mei/hdcp/mei_hdcp.c @@ -39,6 +39,22 @@ static inline u8 mei_get_ddi_index(enum port port) } } +static inline u8 mei_get_tc_type(enum transcoder tc) +{ + switch (tc) { + case TRANSCODER_A ... TRANSCODER_D: + return (u8)(tc | 0x10); + case TRANSCODER_EDP: + return TC_EDP; + case TRANSCODER_DSI_0: + return TC_DSI0; + case TRANSCODER_DSI_1: + return TC_DSI1; + default: + return MEI_INVALID_TRANSCODER; + } +} + /** * mei_hdcp_initiate_session() - Initiate a Wired HDCP2.2 Tx Session in ME FW * @dev: device corresponding to the mei_cl_device @@ -70,6 +86,7 @@ mei_hdcp_initiate_session(struct device *dev, struct hdcp_port_data *data, session_init_in.port.integrated_port_type = data->port_type; session_init_in.port.physical_port = mei_get_ddi_index(data->port); + session_init_in.port.attached_transcoder = mei_get_tc_type(data->tc); session_init_in.protocol = data->protocol; byte = mei_cldev_send(cldev, (u8 *)&session_init_in, @@ -139,6 +156,7 @@ mei_hdcp_verify_receiver_cert_prepare_km(struct device *dev, verify_rxcert_in.port.integrated_port_type = data->port_type; verify_rxcert_in.port.physical_port = mei_get_ddi_index(data->port); + verify_rxcert_in.port.attached_transcoder = mei_get_tc_type(data->tc); verify_rxcert_in.cert_rx = rx_cert->cert_rx; memcpy(verify_rxcert_in.r_rx, &rx_cert->r_rx, HDCP_2_2_RRX_LEN); @@ -209,6 +227,7 @@ mei_hdcp_verify_hprime(struct device *dev, struct hdcp_port_data *data, send_hprime_in.port.integrated_port_type = data->port_type; send_hprime_in.port.physical_port = mei_get_ddi_index(data->port); + send_hprime_in.port.attached_transcoder = mei_get_tc_type(data->tc); memcpy(send_hprime_in.h_prime, rx_hprime->h_prime, HDCP_2_2_H_PRIME_LEN); @@ -266,6 +285,7 @@ mei_hdcp_store_pairing_info(struct device *dev, struct hdcp_port_data *data, pairing_info_in.port.integrated_port_type = data->port_type; pairing_info_in.port.physical_port = mei_get_ddi_index(data->port); + pairing_info_in.port.attached_transcoder = mei_get_tc_type(data->tc); memcpy(pairing_info_in.e_kh_km, pairing_info->e_kh_km, HDCP_2_2_E_KH_KM_LEN); @@ -324,6 +344,7 @@ mei_hdcp_initiate_locality_check(struct device *dev, lc_init_in.port.integrated_port_type = data->port_type; lc_init_in.port.physical_port = mei_get_ddi_index(data->port); + lc_init_in.port.attached_transcoder = mei_get_tc_type(data->tc); byte = mei_cldev_send(cldev, (u8 *)&lc_init_in, sizeof(lc_init_in)); if (byte < 0) { @@ -379,6 +400,7 @@ mei_hdcp_verify_lprime(struct device *dev, struct hdcp_port_data *data, verify_lprime_in.port.integrated_port_type = data->port_type; verify_lprime_in.port.physical_port = mei_get_ddi_index(data->port); + verify_lprime_in.port.attached_transcoder = mei_get_tc_type(data->tc); memcpy(verify_lprime_in.l_prime, rx_lprime->l_prime, HDCP_2_2_L_PRIME_LEN); @@ -436,6 +458,7 @@ static int mei_hdcp_get_session_key(struct device *dev, get_skey_in.port.integrated_port_type = data->port_type; get_skey_in.port.physical_port = mei_get_ddi_index(data->port); + get_skey_in.port.attached_transcoder = mei_get_tc_type(data->tc); byte = mei_cldev_send(cldev, (u8 *)&get_skey_in, sizeof(get_skey_in)); if (byte < 0) { @@ -500,6 +523,7 @@ mei_hdcp_repeater_check_flow_prepare_ack(struct device *dev, verify_repeater_in.port.integrated_port_type = data->port_type; verify_repeater_in.port.physical_port = mei_get_ddi_index(data->port); + verify_repeater_in.port.attached_transcoder = mei_get_tc_type(data->tc); memcpy(verify_repeater_in.rx_info, rep_topology->rx_info, HDCP_2_2_RXINFO_LEN); @@ -570,6 +594,7 @@ static int mei_hdcp_verify_mprime(struct device *dev, verify_mprime_in.port.integrated_port_type = data->port_type; verify_mprime_in.port.physical_port = mei_get_ddi_index(data->port); + verify_mprime_in.port.attached_transcoder = mei_get_tc_type(data->tc); memcpy(verify_mprime_in.m_prime, stream_ready->m_prime, HDCP_2_2_MPRIME_LEN); @@ -631,6 +656,7 @@ static int mei_hdcp_enable_authentication(struct device *dev, enable_auth_in.port.integrated_port_type = data->port_type; enable_auth_in.port.physical_port = mei_get_ddi_index(data->port); + enable_auth_in.port.attached_transcoder = mei_get_tc_type(data->tc); enable_auth_in.stream_type = data->streams[0].stream_type; byte = mei_cldev_send(cldev, (u8 *)&enable_auth_in, @@ -685,6 +711,7 @@ mei_hdcp_close_session(struct device *dev, struct hdcp_port_data *data) session_close_in.port.integrated_port_type = data->port_type; session_close_in.port.physical_port = mei_get_ddi_index(data->port); + session_close_in.port.attached_transcoder = mei_get_tc_type(data->tc); byte = mei_cldev_send(cldev, (u8 *)&session_close_in, sizeof(session_close_in)); diff --git a/drivers/misc/mei/hdcp/mei_hdcp.h b/drivers/misc/mei/hdcp/mei_hdcp.h index e4b1cd54c853..89e2f99ff60a 100644 --- a/drivers/misc/mei/hdcp/mei_hdcp.h +++ b/drivers/misc/mei/hdcp/mei_hdcp.h @@ -184,8 +184,10 @@ struct hdcp_cmd_no_data { /* Uniquely identifies the hdcp port being addressed for a given command. */ struct hdcp_port_id { u8 integrated_port_type; + /* Used until Gen11.5. Must be zero for Gen11.5+ */ u8 physical_port; - u16 reserved; + u8 attached_transcoder; + u8 reserved; } __packed; /* @@ -374,4 +376,15 @@ enum mei_fw_ddi { MEI_DDI_A = 7, MEI_DDI_RANGE_END = MEI_DDI_A, }; + +enum mei_fw_tc { + MEI_INVALID_TRANSCODER = 0x00, // Invalid transcoder type + TC_EDP, // Transcoder for eDP + TC_DSI0, // Transcoder for DSI0 + TC_DSI1, // Transcoder for DSI1 + TC_A = 0x10, // Transcoder TCA + TC_B, // Transcoder TCB + TC_C, // Transcoder TCC + TC_D // Transcoder TCD +}; #endif /* __MEI_HDCP_H__ */ diff --git a/include/drm/i915_mei_hdcp_interface.h b/include/drm/i915_mei_hdcp_interface.h index 8c344255146a..dc0de63ce0cb 100644 --- a/include/drm/i915_mei_hdcp_interface.h +++ b/include/drm/i915_mei_hdcp_interface.h @@ -45,6 +45,7 @@ enum hdcp_wired_protocol { /** * struct hdcp_port_data - intel specific HDCP port data * @port: port index as per I915 + * @tc: transcoder index as per I915 * @port_type: HDCP port type as per ME FW classification * @protocol: HDCP adaptation as per ME FW * @k: No of streams transmitted on a port. Only on DP MST this is != 1 @@ -57,6 +58,7 @@ enum hdcp_wired_protocol { */ struct hdcp_port_data { enum port port; + enum transcoder tc; u8 port_type; u8 protocol; u16 k;