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Tue, 8 Nov 2022 13:01:57 +0000 From: Sandor Yu To: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, andrzej.hajda@intel.com, neil.armstrong@linaro.org, robert.foss@linaro.org, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, vkoul@kernel.org Subject: [PATCH v3 04/10] phy: Add HDMI configuration options Date: Tue, 8 Nov 2022 21:00:07 +0800 Message-Id: <3edf9db8261e7f59dcd84a61a492d2483b1e9970.1667911321.git.Sandor.yu@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: X-ClientProxiedBy: SG2PR02CA0136.apcprd02.prod.outlook.com (2603:1096:4:188::16) To PAXPR04MB9448.eurprd04.prod.outlook.com (2603:10a6:102:2b1::21) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAXPR04MB9448:EE_|AM0PR04MB7059:EE_ X-MS-Office365-Filtering-Correlation-Id: 4f7c65f3-8894-4a09-e373-08dac1896a91 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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The parameters added here are based on HDMI PHY implementation practices. The current set of parameters should cover the potential users. Signed-off-by: Sandor Yu --- include/linux/phy/phy-hdmi.h | 33 +++++++++++++++++++++++++++++++++ include/linux/phy/phy.h | 7 ++++++- 2 files changed, 39 insertions(+), 1 deletion(-) create mode 100644 include/linux/phy/phy-hdmi.h diff --git a/include/linux/phy/phy-hdmi.h b/include/linux/phy/phy-hdmi.h new file mode 100644 index 000000000000..73a32eb535b0 --- /dev/null +++ b/include/linux/phy/phy-hdmi.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright 2022 NXP + */ + +#ifndef __PHY_HDMI_H_ +#define __PHY_HDMI_H_ + +enum hdmi_phy_colorspace { + HDMI_PHY_COLORSPACE_RGB, + HDMI_PHY_COLORSPACE_YUV422, + HDMI_PHY_COLORSPACE_YUV444, + HDMI_PHY_COLORSPACE_YUV420, + HDMI_PHY_COLORSPACE_RESERVED4, + HDMI_PHY_COLORSPACE_RESERVED5, + HDMI_PHY_COLORSPACE_RESERVED6, +}; + +/** + * struct phy_configure_opts_hdmi - HDMI configuration set + * @pixel_clk_rate: Pixel clock of video modes in KHz. + * @bpc: Maximum bits per color channel. + * @color_space: Colorspace in enum hdmi_phy_colorspace. + * + * This structure is used to represent the configuration state of a HDMI phy. + */ +struct phy_configure_opts_hdmi { + unsigned int pixel_clk_rate; + unsigned int bpc; + enum hdmi_phy_colorspace color_space; +}; + +#endif /* __PHY_HDMI_H_ */ diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h index b1413757fcc3..6f6873ea7270 100644 --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -17,6 +17,7 @@ #include #include +#include #include #include @@ -42,7 +43,8 @@ enum phy_mode { PHY_MODE_MIPI_DPHY, PHY_MODE_SATA, PHY_MODE_LVDS, - PHY_MODE_DP + PHY_MODE_DP, + PHY_MODE_HDMI, }; enum phy_media { @@ -60,11 +62,14 @@ enum phy_media { * the DisplayPort protocol. * @lvds: Configuration set applicable for phys supporting * the LVDS phy mode. + * @hdmi: Configuration set applicable for phys supporting + * the HDMI phy mode. */ union phy_configure_opts { struct phy_configure_opts_mipi_dphy mipi_dphy; struct phy_configure_opts_dp dp; struct phy_configure_opts_lvds lvds; + struct phy_configure_opts_hdmi hdmi; }; /**