Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 211 insertions, 0 deletions

diff --git a/drivers/media/platform/exynos4-is/media-dev.h b/drivers/media/platform/exynos4-is/media-dev.h
new file mode 100644
index 000000000..957787a2f
--- /dev/null
+++ b/drivers/media/platform/exynos4-is/media-dev.h
@@ -0,0 +1,211 @@
+/*
+ * Copyright (C) 2011 - 2012 Samsung Electronics Co., Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef FIMC_MDEVICE_H_
+#define FIMC_MDEVICE_H_
+
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+#include <linux/mutex.h>
+#include <linux/of.h>
+#include <linux/pinctrl/consumer.h>
+#include <media/media-device.h>
+#include <media/media-entity.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-subdev.h>
+#include <media/drv-intf/exynos-fimc.h>
+
+#include "fimc-core.h"
+#include "fimc-lite.h"
+#include "mipi-csis.h"
+
+#define FIMC_OF_NODE_NAME	"fimc"
+#define FIMC_LITE_OF_NODE_NAME	"fimc-lite"
+#define FIMC_IS_OF_NODE_NAME	"fimc-is"
+#define CSIS_OF_NODE_NAME	"csis"
+
+#define PINCTRL_STATE_IDLE	"idle"
+
+#define FIMC_MAX_SENSORS	4
+#define FIMC_MAX_CAMCLKS	2
+#define DEFAULT_SENSOR_CLK_FREQ	24000000U
+
+/* LCD/ISP Writeback clocks (PIXELASYNCMx) */
+enum {
+	CLK_IDX_WB_A,
+	CLK_IDX_WB_B,
+	FIMC_MAX_WBCLKS
+};
+
+enum fimc_subdev_index {
+	IDX_SENSOR,
+	IDX_CSIS,
+	IDX_FLITE,
+	IDX_IS_ISP,
+	IDX_FIMC,
+	IDX_MAX,
+};
+
+/*
+ * This structure represents a chain of media entities, including a data
+ * source entity (e.g. an image sensor subdevice), a data capture entity
+ * - a video capture device node and any remaining entities.
+ */
+struct fimc_pipeline {
+	struct exynos_media_pipeline ep;
+	struct list_head list;
+	struct media_entity *vdev_entity;
+	struct v4l2_subdev *subdevs[IDX_MAX];
+};
+
+#define to_fimc_pipeline(_ep) container_of(_ep, struct fimc_pipeline, ep)
+
+struct fimc_csis_info {
+	struct v4l2_subdev *sd;
+	int id;
+};
+
+struct fimc_camclk_info {
+	struct clk *clock;
+	int use_count;
+	unsigned long frequency;
+};
+
+/**
+ * struct fimc_sensor_info - image data source subdev information
+ * @pdata: sensor's atrributes passed as media device's platform data
+ * @asd: asynchronous subdev registration data structure
+ * @subdev: image sensor v4l2 subdev
+ * @host: fimc device the sensor is currently linked to
+ *
+ * This data structure applies to image sensor and the writeback subdevs.
+ */
+struct fimc_sensor_info {
+	struct fimc_source_info pdata;
+	struct v4l2_async_subdev asd;
+	struct v4l2_subdev *subdev;
+	struct fimc_dev *host;
+};
+
+struct cam_clk {
+	struct clk_hw hw;
+	struct fimc_md *fmd;
+};
+#define to_cam_clk(_hw) container_of(_hw, struct cam_clk, hw)
+
+/**
+ * struct fimc_md - fimc media device information
+ * @csis: MIPI CSIS subdevs data
+ * @sensor: array of registered sensor subdevs
+ * @num_sensors: actual number of registered sensors
+ * @camclk: external sensor clock information
+ * @fimc: array of registered fimc devices
+ * @fimc_is: fimc-is data structure
+ * @use_isp: set to true when FIMC-IS subsystem is used
+ * @pmf: handle to the CAMCLK clock control FIMC helper device
+ * @media_dev: top level media device
+ * @v4l2_dev: top level v4l2_device holding up the subdevs
+ * @pdev: platform device this media device is hooked up into
+ * @pinctrl: camera port pinctrl handle
+ * @state_default: pinctrl default state handle
+ * @state_idle: pinctrl idle state handle
+ * @cam_clk_provider: CAMCLK clock provider structure
+ * @user_subdev_api: true if subdevs are not configured by the host driver
+ * @slock: spinlock protecting @sensor array
+ */
+struct fimc_md {
+	struct fimc_csis_info csis[CSIS_MAX_ENTITIES];
+	struct fimc_sensor_info sensor[FIMC_MAX_SENSORS];
+	int num_sensors;
+	struct fimc_camclk_info camclk[FIMC_MAX_CAMCLKS];
+	struct clk *wbclk[FIMC_MAX_WBCLKS];
+	struct fimc_lite *fimc_lite[FIMC_LITE_MAX_DEVS];
+	struct fimc_dev *fimc[FIMC_MAX_DEVS];
+	struct fimc_is *fimc_is;
+	bool use_isp;
+	struct device *pmf;
+	struct media_device media_dev;
+	struct v4l2_device v4l2_dev;
+	struct platform_device *pdev;
+
+	struct fimc_pinctrl {
+		struct pinctrl *pinctrl;
+		struct pinctrl_state *state_default;
+		struct pinctrl_state *state_idle;
+	} pinctl;
+
+	struct cam_clk_provider {
+		struct clk *clks[FIMC_MAX_CAMCLKS];
+		struct clk_onecell_data clk_data;
+		struct device_node *of_node;
+		struct cam_clk camclk[FIMC_MAX_CAMCLKS];
+		int num_clocks;
+	} clk_provider;
+
+	struct v4l2_async_notifier subdev_notifier;
+	struct v4l2_async_subdev *async_subdevs[FIMC_MAX_SENSORS];
+
+	bool user_subdev_api;
+	spinlock_t slock;
+	struct list_head pipelines;
+	struct media_graph link_setup_graph;
+};
+
+static inline
+struct fimc_sensor_info *source_to_sensor_info(struct fimc_source_info *si)
+{
+	return container_of(si, struct fimc_sensor_info, pdata);
+}
+
+static inline struct fimc_md *entity_to_fimc_mdev(struct media_entity *me)
+{
+	return me->graph_obj.mdev == NULL ? NULL :
+		container_of(me->graph_obj.mdev, struct fimc_md, media_dev);
+}
+
+static inline struct fimc_md *notifier_to_fimc_md(struct v4l2_async_notifier *n)
+{
+	return container_of(n, struct fimc_md, subdev_notifier);
+}
+
+static inline void fimc_md_graph_lock(struct exynos_video_entity *ve)
+{
+	mutex_lock(&ve->vdev.entity.graph_obj.mdev->graph_mutex);
+}
+
+static inline void fimc_md_graph_unlock(struct exynos_video_entity *ve)
+{
+	mutex_unlock(&ve->vdev.entity.graph_obj.mdev->graph_mutex);
+}
+
+int fimc_md_set_camclk(struct v4l2_subdev *sd, bool on);
+
+#ifdef CONFIG_OF
+static inline bool fimc_md_is_isp_available(struct device_node *node)
+{
+	node = of_get_child_by_name(node, FIMC_IS_OF_NODE_NAME);
+	return node ? of_device_is_available(node) : false;
+}
+#else
+#define fimc_md_is_isp_available(node) (false)
+#endif /* CONFIG_OF */
+
+static inline struct v4l2_subdev *__fimc_md_get_subdev(
+				struct exynos_media_pipeline *ep,
+				unsigned int index)
+{
+	struct fimc_pipeline *p = to_fimc_pipeline(ep);
+
+	if (!p || index >= IDX_MAX)
+		return NULL;
+	else
+		return p->subdevs[index];
+}
+
+#endif