From patchwork Tue Mar 21 15:12:39 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 9636781 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 CE76260216 for ; Tue, 21 Mar 2017 15:13:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C288828329 for ; Tue, 21 Mar 2017 15:13:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B75572833B; Tue, 21 Mar 2017 15:13:12 +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=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,T_DKIM_INVALID 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 D5ADD28329 for ; Tue, 21 Mar 2017 15:13:11 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B1C526E726; Tue, 21 Mar 2017 15:13:03 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-wm0-x22f.google.com (mail-wm0-x22f.google.com [IPv6:2a00:1450:400c:c09::22f]) by gabe.freedesktop.org (Postfix) with ESMTPS id DC7296E715 for ; Tue, 21 Mar 2017 15:12:54 +0000 (UTC) Received: by mail-wm0-x22f.google.com with SMTP id u132so14479447wmg.0 for ; Tue, 21 Mar 2017 08:12:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=k3JfdQhDlOWpouy8n3/JOx7AXLtKc4M6Ceh1YEl8Zj0=; b=aVM+5dD1HQIlMfQTmPvWy/tvVsoGawbv0rL7FSFlu0UmfJ1ZUsQV330cqOcpXL0dVr xSwODt6UwZ/ZL4wa0VW4lp6pLTNXCZl7EGWiZMq1UnlLyzkOECQxEm8UIJbCKMKLYfam uVR1vHvInsbRCNBDed3qFAeEb3j8h7LKpeJ9/BUT6mOwMZTGZ0HTCKcSxZjxhwVIMqXy cjlPaf8tBPhaUJQuaHM6nfuQDz1DXYayG1UOdcdRFPYwvmlnLAmV+kH7vbpEM21f/ohc RcbP/s9JkAg/F50j5wqCEDfjsfxEkV5gEvKA+t2r2L/AbvhV0dcnEHMlkXknaJmYhDt0 UNoA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=k3JfdQhDlOWpouy8n3/JOx7AXLtKc4M6Ceh1YEl8Zj0=; b=YnSoDdcj4oSiGkmn8uHi9LWxg1XRdThIjH1JyKRr6a14WI7VoSP2nAEC1OBCgTDmoV zc2j36Ah2wgSHDEu6c2dPA2i08O8yXqFwp16FuGIMhZt9Tsd31SuuKVmZxGZhTCXsMyb 1vEGoTGbD0L8IIhTZb7OIynSwNUrmRdkmMSAQLNTbQ6JdKx4BalucW++I9+6tOIpRBE5 t9CMtpHVO1coFP9GxfothuIbnxMWTF+j/QZmxoDkVIJWXFsvlbeIP0iC4DH9R8KyYQ/k Kek6XIAtSEvNTJK2mto8NPj/i6R+zNshxWuybSr+JRyRFNiZe99pZCGwwIdjCxNmePKf Mbzw== X-Gm-Message-State: AFeK/H0sF1m46v5i9s3o77tzP6n6j8daLnnDByvHpeA6U/GT9eCGBo/z+s7t0U7qQg3kCy3w X-Received: by 10.28.128.209 with SMTP id b200mr3470133wmd.140.1490109173365; Tue, 21 Mar 2017 08:12:53 -0700 (PDT) Received: from localhost.localdomain ([90.63.244.31]) by smtp.gmail.com with ESMTPSA id h65sm23655794wrh.32.2017.03.21.08.12.52 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 21 Mar 2017 08:12:52 -0700 (PDT) From: Neil Armstrong To: dri-devel@lists.freedesktop.org, laurent.pinchart+renesas@ideasonboard.com, architt@codeaurora.org, mchehab@kernel.org Subject: [PATCH v4 4/6] drm: bridge: dw-hdmi: Switch to V4L bus format and encodings Date: Tue, 21 Mar 2017 16:12:39 +0100 Message-Id: <1490109161-20529-5-git-send-email-narmstrong@baylibre.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1490109161-20529-1-git-send-email-narmstrong@baylibre.com> References: <1490109161-20529-1-git-send-email-narmstrong@baylibre.com> Cc: Jose.Abreu@synopsys.com, linux-doc@vger.kernel.org, Neil Armstrong , kieran.bingham@ideasonboard.com, linux-kernel@vger.kernel.org, hans.verkuil@cisco.com, sakari.ailus@linux.intel.com, linux-amlogic@lists.infradead.org, linux-media@vger.kernel.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Some display pipelines can only provide non-RBG input pixels to the HDMI TX Controller, this patch takes the pixel format from the plat_data if provided. Signed-off-by: Neil Armstrong Reviewed-by: Jose Abreu --- drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 326 +++++++++++++++++++++--------- include/drm/bridge/dw_hdmi.h | 63 ++++++ 2 files changed, 294 insertions(+), 95 deletions(-) diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c index f82750a..fcb0a27 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c @@ -30,18 +30,15 @@ #include #include +#include +#include + #include "dw-hdmi.h" #include "dw-hdmi-audio.h" #define DDC_SEGMENT_ADDR 0x30 #define HDMI_EDID_LEN 512 -#define RGB 0 -#define YCBCR444 1 -#define YCBCR422_16BITS 2 -#define YCBCR422_8BITS 3 -#define XVYCC444 4 - enum hdmi_datamap { RGB444_8B = 0x01, RGB444_10B = 0x03, @@ -95,10 +92,10 @@ struct hdmi_vmode { }; struct hdmi_data_info { - unsigned int enc_in_format; - unsigned int enc_out_format; - unsigned int enc_color_depth; - unsigned int colorimetry; + unsigned int enc_in_bus_format; + unsigned int enc_out_bus_format; + unsigned int enc_in_encoding; + unsigned int enc_out_encoding; unsigned int pix_repet_factor; unsigned int hdcp_enable; struct hdmi_vmode video_mode; @@ -567,6 +564,92 @@ void dw_hdmi_audio_disable(struct dw_hdmi *hdmi) } EXPORT_SYMBOL_GPL(dw_hdmi_audio_disable); +static bool hdmi_bus_fmt_is_rgb(unsigned int bus_format) +{ + switch (bus_format) { + case MEDIA_BUS_FMT_RGB888_1X24: + case MEDIA_BUS_FMT_RGB101010_1X30: + case MEDIA_BUS_FMT_RGB121212_1X36: + case MEDIA_BUS_FMT_RGB161616_1X48: + return true; + + default: + return false; + } +} + +static bool hdmi_bus_fmt_is_yuv444(unsigned int bus_format) +{ + switch (bus_format) { + case MEDIA_BUS_FMT_YUV8_1X24: + case MEDIA_BUS_FMT_YUV10_1X30: + case MEDIA_BUS_FMT_YUV12_1X36: + case MEDIA_BUS_FMT_YUV16_1X48: + return true; + + default: + return false; + } +} + +static bool hdmi_bus_fmt_is_yuv422(unsigned int bus_format) +{ + switch (bus_format) { + case MEDIA_BUS_FMT_UYVY8_1X16: + case MEDIA_BUS_FMT_UYVY10_1X20: + case MEDIA_BUS_FMT_UYVY12_1X24: + return true; + + default: + return false; + } +} + +static bool hdmi_bus_fmt_is_yuv420(unsigned int bus_format) +{ + switch (bus_format) { + case MEDIA_BUS_FMT_UYYVYY8_1X24: + case MEDIA_BUS_FMT_UYYVYY10_1X30: + case MEDIA_BUS_FMT_UYYVYY12_1X36: + case MEDIA_BUS_FMT_UYYVYY16_1X48: + return true; + + default: + return false; + } +} + +static int hdmi_bus_fmt_color_depth(unsigned int bus_format) +{ + switch (bus_format) { + case MEDIA_BUS_FMT_RGB888_1X24: + case MEDIA_BUS_FMT_YUV8_1X24: + case MEDIA_BUS_FMT_UYVY8_1X16: + case MEDIA_BUS_FMT_UYYVYY8_1X24: + return 8; + + case MEDIA_BUS_FMT_RGB101010_1X30: + case MEDIA_BUS_FMT_YUV10_1X30: + case MEDIA_BUS_FMT_UYVY10_1X20: + case MEDIA_BUS_FMT_UYYVYY10_1X30: + return 10; + + case MEDIA_BUS_FMT_RGB121212_1X36: + case MEDIA_BUS_FMT_YUV12_1X36: + case MEDIA_BUS_FMT_UYVY12_1X24: + case MEDIA_BUS_FMT_UYYVYY12_1X36: + return 12; + + case MEDIA_BUS_FMT_RGB161616_1X48: + case MEDIA_BUS_FMT_YUV16_1X48: + case MEDIA_BUS_FMT_UYYVYY16_1X48: + return 16; + + default: + return 0; + } +} + /* * this submodule is responsible for the video data synchronization. * for example, for RGB 4:4:4 input, the data map is defined as @@ -579,37 +662,49 @@ static void hdmi_video_sample(struct dw_hdmi *hdmi) int color_format = 0; u8 val; - if (hdmi->hdmi_data.enc_in_format == RGB) { - if (hdmi->hdmi_data.enc_color_depth == 8) - color_format = 0x01; - else if (hdmi->hdmi_data.enc_color_depth == 10) - color_format = 0x03; - else if (hdmi->hdmi_data.enc_color_depth == 12) - color_format = 0x05; - else if (hdmi->hdmi_data.enc_color_depth == 16) - color_format = 0x07; - else - return; - } else if (hdmi->hdmi_data.enc_in_format == YCBCR444) { - if (hdmi->hdmi_data.enc_color_depth == 8) - color_format = 0x09; - else if (hdmi->hdmi_data.enc_color_depth == 10) - color_format = 0x0B; - else if (hdmi->hdmi_data.enc_color_depth == 12) - color_format = 0x0D; - else if (hdmi->hdmi_data.enc_color_depth == 16) - color_format = 0x0F; - else - return; - } else if (hdmi->hdmi_data.enc_in_format == YCBCR422_8BITS) { - if (hdmi->hdmi_data.enc_color_depth == 8) - color_format = 0x16; - else if (hdmi->hdmi_data.enc_color_depth == 10) - color_format = 0x14; - else if (hdmi->hdmi_data.enc_color_depth == 12) - color_format = 0x12; - else - return; + switch (hdmi->hdmi_data.enc_in_bus_format) { + case MEDIA_BUS_FMT_RGB888_1X24: + color_format = 0x01; + break; + case MEDIA_BUS_FMT_RGB101010_1X30: + color_format = 0x03; + break; + case MEDIA_BUS_FMT_RGB121212_1X36: + color_format = 0x05; + break; + case MEDIA_BUS_FMT_RGB161616_1X48: + color_format = 0x07; + break; + + case MEDIA_BUS_FMT_YUV8_1X24: + case MEDIA_BUS_FMT_UYYVYY8_1X24: + color_format = 0x09; + break; + case MEDIA_BUS_FMT_YUV10_1X30: + case MEDIA_BUS_FMT_UYYVYY10_1X30: + color_format = 0x0B; + break; + case MEDIA_BUS_FMT_YUV12_1X36: + case MEDIA_BUS_FMT_UYYVYY12_1X36: + color_format = 0x0D; + break; + case MEDIA_BUS_FMT_YUV16_1X48: + case MEDIA_BUS_FMT_UYYVYY16_1X48: + color_format = 0x0F; + break; + + case MEDIA_BUS_FMT_UYVY8_1X16: + color_format = 0x16; + break; + case MEDIA_BUS_FMT_UYVY10_1X20: + color_format = 0x14; + break; + case MEDIA_BUS_FMT_UYVY12_1X24: + color_format = 0x12; + break; + + default: + return; } val = HDMI_TX_INVID0_INTERNAL_DE_GENERATOR_DISABLE | @@ -632,26 +727,30 @@ static void hdmi_video_sample(struct dw_hdmi *hdmi) static int is_color_space_conversion(struct dw_hdmi *hdmi) { - return hdmi->hdmi_data.enc_in_format != hdmi->hdmi_data.enc_out_format; + return hdmi->hdmi_data.enc_in_bus_format != hdmi->hdmi_data.enc_out_bus_format; } static int is_color_space_decimation(struct dw_hdmi *hdmi) { - if (hdmi->hdmi_data.enc_out_format != YCBCR422_8BITS) + if (!hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format)) return 0; - if (hdmi->hdmi_data.enc_in_format == RGB || - hdmi->hdmi_data.enc_in_format == YCBCR444) + + if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_in_bus_format) || + hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_in_bus_format)) return 1; + return 0; } static int is_color_space_interpolation(struct dw_hdmi *hdmi) { - if (hdmi->hdmi_data.enc_in_format != YCBCR422_8BITS) + if (!hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_in_bus_format)) return 0; - if (hdmi->hdmi_data.enc_out_format == RGB || - hdmi->hdmi_data.enc_out_format == YCBCR444) + + if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format) || + hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format)) return 1; + return 0; } @@ -662,15 +761,16 @@ static void dw_hdmi_update_csc_coeffs(struct dw_hdmi *hdmi) u32 csc_scale = 1; if (is_color_space_conversion(hdmi)) { - if (hdmi->hdmi_data.enc_out_format == RGB) { - if (hdmi->hdmi_data.colorimetry == - HDMI_COLORIMETRY_ITU_601) + if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format)) { + if (hdmi->hdmi_data.enc_out_encoding == + V4L2_YCBCR_ENC_601) csc_coeff = &csc_coeff_rgb_out_eitu601; else csc_coeff = &csc_coeff_rgb_out_eitu709; - } else if (hdmi->hdmi_data.enc_in_format == RGB) { - if (hdmi->hdmi_data.colorimetry == - HDMI_COLORIMETRY_ITU_601) + } else if (hdmi_bus_fmt_is_rgb( + hdmi->hdmi_data.enc_in_bus_format)) { + if (hdmi->hdmi_data.enc_out_encoding == + V4L2_YCBCR_ENC_601) csc_coeff = &csc_coeff_rgb_in_eitu601; else csc_coeff = &csc_coeff_rgb_in_eitu709; @@ -708,16 +808,23 @@ static void hdmi_video_csc(struct dw_hdmi *hdmi) else if (is_color_space_decimation(hdmi)) decimation = HDMI_CSC_CFG_DECMODE_CHROMA_INT_FORMULA3; - if (hdmi->hdmi_data.enc_color_depth == 8) + switch (hdmi_bus_fmt_color_depth(hdmi->hdmi_data.enc_out_bus_format)) { + case 8: color_depth = HDMI_CSC_SCALE_CSC_COLORDE_PTH_24BPP; - else if (hdmi->hdmi_data.enc_color_depth == 10) + break; + case 10: color_depth = HDMI_CSC_SCALE_CSC_COLORDE_PTH_30BPP; - else if (hdmi->hdmi_data.enc_color_depth == 12) + break; + case 12: color_depth = HDMI_CSC_SCALE_CSC_COLORDE_PTH_36BPP; - else if (hdmi->hdmi_data.enc_color_depth == 16) + break; + case 16: color_depth = HDMI_CSC_SCALE_CSC_COLORDE_PTH_48BPP; - else + break; + + default: return; + } /* Configure the CSC registers */ hdmi_writeb(hdmi, interpolation | decimation, HDMI_CSC_CFG); @@ -740,32 +847,43 @@ static void hdmi_video_packetize(struct dw_hdmi *hdmi) struct hdmi_data_info *hdmi_data = &hdmi->hdmi_data; u8 val, vp_conf; - if (hdmi_data->enc_out_format == RGB || - hdmi_data->enc_out_format == YCBCR444) { - if (!hdmi_data->enc_color_depth) { - output_select = HDMI_VP_CONF_OUTPUT_SELECTOR_BYPASS; - } else if (hdmi_data->enc_color_depth == 8) { + if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format) || + hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format)) { + switch (hdmi_bus_fmt_color_depth( + hdmi->hdmi_data.enc_out_bus_format)) { + case 8: color_depth = 4; output_select = HDMI_VP_CONF_OUTPUT_SELECTOR_BYPASS; - } else if (hdmi_data->enc_color_depth == 10) { + break; + case 10: color_depth = 5; - } else if (hdmi_data->enc_color_depth == 12) { + break; + case 12: color_depth = 6; - } else if (hdmi_data->enc_color_depth == 16) { + break; + case 16: color_depth = 7; - } else { - return; + break; + default: + output_select = HDMI_VP_CONF_OUTPUT_SELECTOR_BYPASS; } - } else if (hdmi_data->enc_out_format == YCBCR422_8BITS) { - if (!hdmi_data->enc_color_depth || - hdmi_data->enc_color_depth == 8) + } else if (hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format)) { + switch (hdmi_bus_fmt_color_depth( + hdmi->hdmi_data.enc_out_bus_format)) { + case 0: + case 8: remap_size = HDMI_VP_REMAP_YCC422_16bit; - else if (hdmi_data->enc_color_depth == 10) + break; + case 10: remap_size = HDMI_VP_REMAP_YCC422_20bit; - else if (hdmi_data->enc_color_depth == 12) + break; + case 12: remap_size = HDMI_VP_REMAP_YCC422_24bit; - else + break; + + default: return; + } output_select = HDMI_VP_CONF_OUTPUT_SELECTOR_YCC422; } else { return; @@ -1148,28 +1266,35 @@ static void hdmi_config_AVI(struct dw_hdmi *hdmi, struct drm_display_mode *mode) /* Initialise info frame from DRM mode */ drm_hdmi_avi_infoframe_from_display_mode(&frame, mode); - if (hdmi->hdmi_data.enc_out_format == YCBCR444) + if (hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format)) frame.colorspace = HDMI_COLORSPACE_YUV444; - else if (hdmi->hdmi_data.enc_out_format == YCBCR422_8BITS) + else if (hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format)) frame.colorspace = HDMI_COLORSPACE_YUV422; else frame.colorspace = HDMI_COLORSPACE_RGB; /* Set up colorimetry */ - if (hdmi->hdmi_data.enc_out_format == XVYCC444) { - frame.colorimetry = HDMI_COLORIMETRY_EXTENDED; - if (hdmi->hdmi_data.colorimetry == HDMI_COLORIMETRY_ITU_601) - frame.extended_colorimetry = + switch (hdmi->hdmi_data.enc_out_encoding) { + case V4L2_YCBCR_ENC_601: + if (hdmi->hdmi_data.enc_in_encoding == V4L2_YCBCR_ENC_XV601) + frame.colorimetry = HDMI_COLORIMETRY_EXTENDED; + else + frame.colorimetry = HDMI_COLORIMETRY_ITU_601; + frame.extended_colorimetry = HDMI_EXTENDED_COLORIMETRY_XV_YCC_601; - else /*hdmi->hdmi_data.colorimetry == HDMI_COLORIMETRY_ITU_709*/ - frame.extended_colorimetry = + case V4L2_YCBCR_ENC_709: + if (hdmi->hdmi_data.enc_in_encoding == V4L2_YCBCR_ENC_XV709) + frame.colorimetry = HDMI_COLORIMETRY_EXTENDED; + else + frame.colorimetry = HDMI_COLORIMETRY_ITU_709; + frame.extended_colorimetry = HDMI_EXTENDED_COLORIMETRY_XV_YCC_709; - } else if (hdmi->hdmi_data.enc_out_format != RGB) { - frame.colorimetry = hdmi->hdmi_data.colorimetry; - frame.extended_colorimetry = HDMI_EXTENDED_COLORIMETRY_XV_YCC_601; - } else { /* Carries no data */ - frame.colorimetry = HDMI_COLORIMETRY_NONE; - frame.extended_colorimetry = HDMI_EXTENDED_COLORIMETRY_XV_YCC_601; + break; + default: /* Carries no data */ + frame.colorimetry = HDMI_COLORIMETRY_ITU_601; + frame.extended_colorimetry = + HDMI_EXTENDED_COLORIMETRY_XV_YCC_601; + break; } frame.scan_mode = HDMI_SCAN_MODE_NONE; @@ -1498,19 +1623,30 @@ static int dw_hdmi_setup(struct dw_hdmi *hdmi, struct drm_display_mode *mode) (hdmi->vic == 21) || (hdmi->vic == 22) || (hdmi->vic == 2) || (hdmi->vic == 3) || (hdmi->vic == 17) || (hdmi->vic == 18)) - hdmi->hdmi_data.colorimetry = HDMI_COLORIMETRY_ITU_601; + hdmi->hdmi_data.enc_out_encoding = V4L2_YCBCR_ENC_601; else - hdmi->hdmi_data.colorimetry = HDMI_COLORIMETRY_ITU_709; + hdmi->hdmi_data.enc_out_encoding = V4L2_YCBCR_ENC_709; hdmi->hdmi_data.video_mode.mpixelrepetitionoutput = 0; hdmi->hdmi_data.video_mode.mpixelrepetitioninput = 0; - /* TODO: Get input format from IPU (via FB driver interface) */ - hdmi->hdmi_data.enc_in_format = RGB; + /* TOFIX: Get input format from plat data or fallback to RGB888 */ + if (hdmi->plat_data->input_bus_format >= 0) + hdmi->hdmi_data.enc_in_bus_format = + hdmi->plat_data->input_bus_format; + else + hdmi->hdmi_data.enc_in_bus_format = MEDIA_BUS_FMT_RGB888_1X24; + + /* TOFIX: Get input encoding from plat data or fallback to none */ + if (hdmi->plat_data->input_bus_encoding >= 0) + hdmi->hdmi_data.enc_in_encoding = + hdmi->plat_data->input_bus_encoding; + else + hdmi->hdmi_data.enc_in_encoding = V4L2_YCBCR_ENC_DEFAULT; - hdmi->hdmi_data.enc_out_format = RGB; + /* TOFIX: Default to RGB888 output format */ + hdmi->hdmi_data.enc_out_bus_format = MEDIA_BUS_FMT_RGB888_1X24; - hdmi->hdmi_data.enc_color_depth = 8; hdmi->hdmi_data.pix_repet_factor = 0; hdmi->hdmi_data.hdcp_enable = 0; hdmi->hdmi_data.video_mode.mdataenablepolarity = true; diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h index bcceee8..0da74fb 100644 --- a/include/drm/bridge/dw_hdmi.h +++ b/include/drm/bridge/dw_hdmi.h @@ -14,6 +14,67 @@ struct dw_hdmi; +/** + * DOC: Supported input formats and encodings + * + * Depending on the Hardware configuration of the Controller IP, it supports + * a subset of the following input formats and encodings on it's internal + * 48bit bus. + * + * +----------------------+---------------------------------+------------------------------+ + * + Format Name + Format Code + Encodings + + * +----------------------+---------------------------------+------------------------------+ + * + RGB 4:4:4 8bit + ``MEDIA_BUS_FMT_RGB888_1X24`` + ``V4L2_YCBCR_ENC_DEFAULT`` + + * +----------------------+---------------------------------+------------------------------+ + * + RGB 4:4:4 10bits + ``MEDIA_BUS_FMT_RGB101010_1X30``+ ``V4L2_YCBCR_ENC_DEFAULT`` + + * +----------------------+---------------------------------+------------------------------+ + * + RGB 4:4:4 12bits + ``MEDIA_BUS_FMT_RGB121212_1X36``+ ``V4L2_YCBCR_ENC_DEFAULT`` + + * +----------------------+---------------------------------+------------------------------+ + * + RGB 4:4:4 16bits + ``MEDIA_BUS_FMT_RGB161616_1X48``+ ``V4L2_YCBCR_ENC_DEFAULT`` + + * +----------------------+---------------------------------+------------------------------+ + * + YCbCr 4:4:4 8bit + ``MEDIA_BUS_FMT_YUV8_1X24`` + ``V4L2_YCBCR_ENC_601`` + + * + + + or ``V4L2_YCBCR_ENC_709`` + + * + + + or ``V4L2_YCBCR_ENC_XV601`` + + * + + + or ``V4L2_YCBCR_ENC_XV709`` + + * +----------------------+---------------------------------+------------------------------+ + * + YCbCr 4:4:4 10bits + ``MEDIA_BUS_FMT_YUV10_1X30`` + ``V4L2_YCBCR_ENC_601`` + + * + + + or ``V4L2_YCBCR_ENC_709`` + + * + + + or ``V4L2_YCBCR_ENC_XV601`` + + * + + + or ``V4L2_YCBCR_ENC_XV709`` + + * +----------------------+---------------------------------+------------------------------+ + * + YCbCr 4:4:4 12bits + ``MEDIA_BUS_FMT_YUV12_1X36`` + ``V4L2_YCBCR_ENC_601`` + + * + + + or ``V4L2_YCBCR_ENC_709`` + + * + + + or ``V4L2_YCBCR_ENC_XV601`` + + * + + + or ``V4L2_YCBCR_ENC_XV709`` + + * +----------------------+---------------------------------+------------------------------+ + * + YCbCr 4:4:4 16bits + ``MEDIA_BUS_FMT_YUV16_1X48`` + ``V4L2_YCBCR_ENC_601`` + + * + + + or ``V4L2_YCBCR_ENC_709`` + + * + + + or ``V4L2_YCBCR_ENC_XV601`` + + * + + + or ``V4L2_YCBCR_ENC_XV709`` + + * +----------------------+---------------------------------+------------------------------+ + * + YCbCr 4:2:2 8bit + ``MEDIA_BUS_FMT_UYVY8_1X16`` + ``V4L2_YCBCR_ENC_601`` + + * + + + or ``V4L2_YCBCR_ENC_709`` + + * +----------------------+---------------------------------+------------------------------+ + * + YCbCr 4:2:2 10bits + ``MEDIA_BUS_FMT_UYVY10_1X20`` + ``V4L2_YCBCR_ENC_601`` + + * + + + or ``V4L2_YCBCR_ENC_709`` + + * +----------------------+---------------------------------+------------------------------+ + * + YCbCr 4:2:2 12bits + ``MEDIA_BUS_FMT_UYVY12_1X24`` + ``V4L2_YCBCR_ENC_601`` + + * + + + or ``V4L2_YCBCR_ENC_709`` + + * +----------------------+---------------------------------+------------------------------+ + * + YCbCr 4:2:0 8bit + ``MEDIA_BUS_FMT_UYYVYY8_1X24`` + ``V4L2_YCBCR_ENC_601`` + + * + + + or ``V4L2_YCBCR_ENC_709`` + + * +----------------------+---------------------------------+------------------------------+ + * + YCbCr 4:2:0 10bits + ``MEDIA_BUS_FMT_UYYVYY10_1X30`` + ``V4L2_YCBCR_ENC_601`` + + * + + + or ``V4L2_YCBCR_ENC_709`` + + * +----------------------+---------------------------------+------------------------------+ + * + YCbCr 4:2:0 12bits + ``MEDIA_BUS_FMT_UYYVYY12_1X36`` + ``V4L2_YCBCR_ENC_601`` + + * + + + or ``V4L2_YCBCR_ENC_709`` + + * +----------------------+---------------------------------+------------------------------+ + * + YCbCr 4:2:0 16bits + ``MEDIA_BUS_FMT_UYYVYY16_1X48`` + ``V4L2_YCBCR_ENC_601`` + + * + + + or ``V4L2_YCBCR_ENC_709`` + + * +----------------------+---------------------------------+------------------------------+ + */ + enum { DW_HDMI_RES_8, DW_HDMI_RES_10, @@ -62,6 +123,8 @@ struct dw_hdmi_plat_data { struct regmap *regm; enum drm_mode_status (*mode_valid)(struct drm_connector *connector, struct drm_display_mode *mode); + unsigned long input_bus_format; + unsigned long input_bus_encoding; /* Vendor PHY support */ const struct dw_hdmi_phy_ops *phy_ops;