Merge "msm: mdss: Add HDR Metadata Interface"

3 files changed, 109 insertions, 44 deletions

diff --git a/drivers/video/fbdev/msm/mdss_hdmi_tx.c b/drivers/video/fbdev/msm/mdss_hdmi_tx.c
index 5804d88e5af5..f05d4cb2922a 100644
--- a/drivers/video/fbdev/msm/mdss_hdmi_tx.c
+++ b/drivers/video/fbdev/msm/mdss_hdmi_tx.c
@@ -1251,7 +1251,6 @@ static ssize_t hdmi_tx_sysfs_wta_hdr_stream(struct device *dev,
 	struct device_attribute *attr, const char *buf, size_t count)
 {
 	int ret = 0;
-	u32 const hdr_param_count = 13;
 	struct hdmi_tx_ctrl *ctrl = NULL;
 
 	ctrl = hdmi_tx_get_drvdata_from_sysfs_dev(dev);
@@ -1267,26 +1266,14 @@ static ssize_t hdmi_tx_sysfs_wta_hdr_stream(struct device *dev,
 		goto end;
 	}
 
-	if (sscanf(buf, "%u %u %u %u %u %u %u %u %u %u %u %u %u",
-			&ctrl->hdr_data.eotf,
-			&ctrl->hdr_data.display_primaries_x[0],
-			&ctrl->hdr_data.display_primaries_y[0],
-			&ctrl->hdr_data.display_primaries_x[1],
-			&ctrl->hdr_data.display_primaries_y[1],
-			&ctrl->hdr_data.display_primaries_x[2],
-			&ctrl->hdr_data.display_primaries_y[2],
-			&ctrl->hdr_data.white_point_x,
-			&ctrl->hdr_data.white_point_y,
-			&ctrl->hdr_data.max_luminance,
-			&ctrl->hdr_data.min_luminance,
-			&ctrl->hdr_data.max_content_light_level,
-			&ctrl->hdr_data.max_average_light_level)
-			!= hdr_param_count) {
-		pr_err("%s: Invalid HDR stream data\n", __func__);
+	if (buf == NULL) {
+		pr_err("%s: hdr stream is NULL\n", __func__);
 		ret = -EINVAL;
 		goto end;
 	}
 
+	memcpy(&ctrl->hdr_data, buf, sizeof(struct mdp_hdr_stream));
+
 	pr_debug("%s: 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
 			__func__,
 			ctrl->hdr_data.eotf,
@@ -1306,6 +1293,14 @@ static ssize_t hdmi_tx_sysfs_wta_hdr_stream(struct device *dev,
 			ctrl->hdr_data.max_content_light_level,
 			ctrl->hdr_data.max_average_light_level);
 
+	pr_debug("%s: 0x%04x 0x%04x 0x%04x 0x%04x 0x%04x\n",
+			__func__,
+			ctrl->hdr_data.pixel_encoding,
+			ctrl->hdr_data.colorimetry,
+			ctrl->hdr_data.range,
+			ctrl->hdr_data.bits_per_component,
+			ctrl->hdr_data.content_type);
+
 	hdmi_panel_set_hdr_infoframe(ctrl);
 
 	ret = strnlen(buf, PAGE_SIZE);
diff --git a/drivers/video/fbdev/msm/mdss_hdmi_tx.h b/drivers/video/fbdev/msm/mdss_hdmi_tx.h
index ca316a350238..3469b8a5819f 100644
--- a/drivers/video/fbdev/msm/mdss_hdmi_tx.h
+++ b/drivers/video/fbdev/msm/mdss_hdmi_tx.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2010-2016, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2010-2017, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -14,13 +14,13 @@
 #define __MDSS_HDMI_TX_H__
 
 #include <linux/switch.h>
+#include <linux/msm_mdp_ext.h>
 #include "mdss_hdmi_util.h"
 #include "mdss_hdmi_panel.h"
 #include "mdss_cec_core.h"
 #include "mdss_hdmi_audio.h"
 
 #define MAX_SWITCH_NAME_SIZE        5
-#define HDR_PRIMARIES_COUNT	3
 
 enum hdmi_tx_io_type {
 	HDMI_TX_CORE_IO,
@@ -62,30 +62,6 @@ struct hdmi_tx_pinctrl {
 struct hdmi_tx_ctrl;
 typedef int (*hdmi_tx_evt_handler) (struct hdmi_tx_ctrl *);
 
-/*
- * struct hdmi_tx_hdr_stream - HDR video stream characteristics
- * @eotf: Electro-Optical Transfer Function
- * @display_primaries_x: display primaries data for x-coordinate
- * @display_primaries_y: display primaries data for y-coordinate
- * @white_point_x: white point data for x-coordinate
- * @white_point_y: white point data for y-coordinate
- * @max_luminance: content maximum luminance
- * @min_luminance: content minimum luminance
- * @max_content_light_level: content maximum light level
- * @max_average_light_level: content average light level
- */
-struct hdmi_tx_hdr_stream_data {
-	u32 eotf;
-	u32 display_primaries_x[HDR_PRIMARIES_COUNT];
-	u32 display_primaries_y[HDR_PRIMARIES_COUNT];
-	u32 white_point_x;
-	u32 white_point_y;
-	u32 max_luminance;
-	u32 min_luminance;
-	u32 max_content_light_level;
-	u32 max_average_light_level;
-};
-
 struct hdmi_tx_ctrl {
 	struct platform_device *pdev;
 	struct platform_device *ext_pdev;
@@ -114,7 +90,7 @@ struct hdmi_tx_ctrl {
 	struct msm_ext_disp_audio_setup_params audio_params;
 	struct msm_ext_disp_init_data ext_audio_data;
 	struct work_struct fps_work;
-	struct hdmi_tx_hdr_stream_data hdr_data;
+	struct mdp_hdr_stream hdr_data;
 
 	spinlock_t hpd_state_lock;
 
diff --git a/include/uapi/linux/msm_mdp_ext.h b/include/uapi/linux/msm_mdp_ext.h
index 3bd8bea8ae0d..ee68675bfe13 100644
--- a/include/uapi/linux/msm_mdp_ext.h
+++ b/include/uapi/linux/msm_mdp_ext.h
@@ -179,6 +179,77 @@ VALIDATE/COMMIT FLAG CONFIGURATION
 
 #define OUT_LAYER_COLOR_SPACE
 
+/* From CEA.861.3 */
+#define MDP_HDR_EOTF_SMTPE_ST2084	0x2
+#define MDP_HDR_EOTF_HLG		0x3
+
+/* From Vesa DPv1.4 - Pixel Encoding - Table 2-120 */
+#define MDP_PIXEL_ENCODING_RGB		0x0
+#define MDP_PIXEL_ENCODING_YCBCR_444	0x1
+#define MDP_PIXEL_ENCODING_YCBCR_422	0x2
+#define MDP_PIXEL_ENCODING_YCBCR_420	0x3
+#define MDP_PIXEL_ENCODING_Y_ONLY	0x4
+#define MDP_PIXEL_ENCODING_RAW		0x5
+
+/* From Vesa DPv1.4 - Colorimetry Formats - Table 2-120 */
+/* RGB - used with MDP_DP_PIXEL_ENCODING_RGB */
+#define MDP_COLORIMETRY_RGB_SRGB		0x0
+#define MDP_COLORIMETRY_RGB_WIDE_FIXED_POINT	0x1
+#define MDP_COLORIMETRY_RGB_WIDE_FLOAT_POINT	0x2
+#define MDP_COLORIMETRY_RGB_ADOBE		0x3
+#define MDP_COLORIMETRY_RGB_DPI_P3		0x4
+#define MDP_COLORIMETRY_RGB_CUSTOM		0x5
+#define MDP_COLORIMETRY_RGB_ITU_R_BT_2020	0x6
+
+/* YUV - used with MDP_DP_PIXEL_ENCODING_YCBCR(444 or 422 or 420) */
+#define MDP_COLORIMETRY_YCBCR_ITU_R_BT_601		0x0
+#define MDP_COLORIMETRY_YCBCR_ITU_R_BT_709		0x1
+#define MDP_COLORIMETRY_YCBCR_XV_YCC_601		0x2
+#define MDP_COLORIMETRY_YCBCR_XV_YCC_709		0x3
+#define MDP_COLORIMETRY_YCBCR_S_YCC_601		0x4
+#define MDP_COLORIMETRY_YCBCR_ADOBE_YCC_601		0x5
+#define MDP_COLORIMETRY_YCBCR_ITU_R_BT_2020_YCBCR_CONST	0x6
+#define MDP_COLORIMETRY_YCBCR_ITU_R_BT_2020_YCBCR	0x7
+
+/* Dynamic Range - Table 2-120 */
+/* Full range */
+#define MDP_DYNAMIC_RANGE_VESA	0x0
+/* Limited range */
+#define MDP_DYNAMIC_RANGE_CEA	0x1
+
+/* Bits per component(bpc) for Pixel encoding format RGB from Table 2-120 */
+#define MDP_RGB_6_BPC	0x0
+#define MDP_RGB_8_BPC	0x1
+#define MDP_RGB_10_BPC	0x2
+#define MDP_RGB_12_BPC	0x3
+#define MDP_RGB_16_BPC	0x4
+
+/*
+ * Bits per component(bpc) for Pixel encoding format YCbCr444, YCbCr422,
+ * YCbCr420 and Y only
+ * from Table 2-120
+ */
+#define MDP_YUV_8_BPC	0x1
+#define MDP_YUV_10_BPC	0x2
+#define MDP_YUV_12_BPC	0x3
+#define MDP_YUV_16_BPC	0x4
+
+/* Bits per component(bpc) for Pixel encoding format RAW from Table 2-120 */
+#define MDP_RAW_6_BPC	0x1
+#define MDP_RAW_7_BPC	0x2
+#define MDP_RAW_8_BPC	0x3
+#define MDP_RAW_10_BPC	0x4
+#define MDP_RAW_12_BPC	0x5
+#define MDP_RAW_14_BPC	0x6
+#define MDP_RAW16_BPC	0x7
+
+/* Content Type - Table 2-120 */
+#define MDP_CONTENT_TYPE_NOT_DEFINED	0x0
+#define MDP_CONTENT_TYPE_GRAPHICS		0x1
+#define MDP_CONTENT_TYPE_PHOTO			0x2
+#define MDP_CONTENT_TYPE_VIDEO		0x3
+#define MDP_CONTENT_TYPE_GAME		0x4
+
 /**********************************************************************
 Configuration structures
 All parameters are input to driver unless mentioned output parameter
@@ -709,4 +780,27 @@ struct mdp_set_cfg {
 	uint32_t len;
 	uint64_t __user payload;
 };
+
+#define HDR_PRIMARIES_COUNT 3
+
+#define MDP_HDR_STREAM
+
+struct mdp_hdr_stream {
+	uint32_t eotf;
+	uint32_t display_primaries_x[HDR_PRIMARIES_COUNT];
+	uint32_t display_primaries_y[HDR_PRIMARIES_COUNT];
+	uint32_t white_point_x;
+	uint32_t white_point_y;
+	uint32_t max_luminance;
+	uint32_t min_luminance;
+	uint32_t max_content_light_level;
+	uint32_t max_average_light_level;
+	/* DP related */
+	uint32_t pixel_encoding;
+	uint32_t colorimetry;
+	uint32_t range;
+	uint32_t bits_per_component;
+	uint32_t content_type;
+	uint32_t reserved[5];
+};
 #endif