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201 lines
5.3 KiB
201 lines
5.3 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Copyright (C) 2011 - 2012 Samsung Electronics Co., Ltd. |
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*/ |
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#ifndef FIMC_MDEVICE_H_ |
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#define FIMC_MDEVICE_H_ |
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#include <linux/clk.h> |
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#include <linux/clk-provider.h> |
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#include <linux/platform_device.h> |
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#include <linux/mutex.h> |
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#include <linux/of.h> |
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#include <linux/pinctrl/consumer.h> |
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#include <media/media-device.h> |
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#include <media/media-entity.h> |
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#include <media/v4l2-device.h> |
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#include <media/v4l2-subdev.h> |
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#include <media/drv-intf/exynos-fimc.h> |
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#include "fimc-core.h" |
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#include "fimc-lite.h" |
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#include "mipi-csis.h" |
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#define FIMC_OF_NODE_NAME "fimc" |
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#define FIMC_LITE_OF_NODE_NAME "fimc-lite" |
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#define FIMC_IS_OF_NODE_NAME "fimc-is" |
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#define CSIS_OF_NODE_NAME "csis" |
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#define FIMC_MAX_SENSORS 4 |
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#define FIMC_MAX_CAMCLKS 2 |
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#define DEFAULT_SENSOR_CLK_FREQ 24000000U |
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/* LCD/ISP Writeback clocks (PIXELASYNCMx) */ |
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enum { |
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CLK_IDX_WB_A, |
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CLK_IDX_WB_B, |
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FIMC_MAX_WBCLKS |
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}; |
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enum fimc_subdev_index { |
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IDX_SENSOR, |
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IDX_CSIS, |
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IDX_FLITE, |
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IDX_IS_ISP, |
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IDX_FIMC, |
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IDX_MAX, |
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}; |
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/* |
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* This structure represents a chain of media entities, including a data |
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* source entity (e.g. an image sensor subdevice), a data capture entity |
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* - a video capture device node and any remaining entities. |
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*/ |
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struct fimc_pipeline { |
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struct exynos_media_pipeline ep; |
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struct list_head list; |
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struct media_entity *vdev_entity; |
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struct v4l2_subdev *subdevs[IDX_MAX]; |
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}; |
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#define to_fimc_pipeline(_ep) container_of(_ep, struct fimc_pipeline, ep) |
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struct fimc_csis_info { |
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struct v4l2_subdev *sd; |
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int id; |
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}; |
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struct fimc_camclk_info { |
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struct clk *clock; |
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int use_count; |
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unsigned long frequency; |
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}; |
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/** |
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* struct fimc_sensor_info - image data source subdev information |
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* @pdata: sensor's attributes passed as media device's platform data |
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* @asd: asynchronous subdev registration data structure |
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* @subdev: image sensor v4l2 subdev |
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* @host: fimc device the sensor is currently linked to |
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* |
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* This data structure applies to image sensor and the writeback subdevs. |
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*/ |
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struct fimc_sensor_info { |
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struct fimc_source_info pdata; |
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struct v4l2_async_subdev *asd; |
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struct v4l2_subdev *subdev; |
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struct fimc_dev *host; |
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}; |
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struct cam_clk { |
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struct clk_hw hw; |
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struct fimc_md *fmd; |
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}; |
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#define to_cam_clk(_hw) container_of(_hw, struct cam_clk, hw) |
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/** |
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* struct fimc_md - fimc media device information |
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* @csis: MIPI CSIS subdevs data |
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* @sensor: array of registered sensor subdevs |
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* @num_sensors: actual number of registered sensors |
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* @camclk: external sensor clock information |
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* @wbclk: external writeback clock information |
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* @fimc_lite: array of registered fimc-lite devices |
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* @fimc: array of registered fimc devices |
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* @fimc_is: fimc-is data structure |
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* @use_isp: set to true when FIMC-IS subsystem is used |
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* @pmf: handle to the CAMCLK clock control FIMC helper device |
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* @media_dev: top level media device |
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* @v4l2_dev: top level v4l2_device holding up the subdevs |
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* @pdev: platform device this media device is hooked up into |
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* @clk_provider: CAMCLK clock provider structure |
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* @subdev_notifier: notifier for the subdevs |
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* @user_subdev_api: true if subdevs are not configured by the host driver |
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* @slock: spinlock protecting @sensor array |
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* @pipelines: list of pipelines |
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* @link_setup_graph: graph iterator |
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*/ |
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struct fimc_md { |
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struct fimc_csis_info csis[CSIS_MAX_ENTITIES]; |
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struct fimc_sensor_info sensor[FIMC_MAX_SENSORS]; |
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int num_sensors; |
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struct fimc_camclk_info camclk[FIMC_MAX_CAMCLKS]; |
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struct clk *wbclk[FIMC_MAX_WBCLKS]; |
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struct fimc_lite *fimc_lite[FIMC_LITE_MAX_DEVS]; |
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struct fimc_dev *fimc[FIMC_MAX_DEVS]; |
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struct fimc_is *fimc_is; |
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bool use_isp; |
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struct device *pmf; |
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struct media_device media_dev; |
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struct v4l2_device v4l2_dev; |
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struct platform_device *pdev; |
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struct cam_clk_provider { |
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struct clk *clks[FIMC_MAX_CAMCLKS]; |
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struct clk_onecell_data clk_data; |
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struct device_node *of_node; |
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struct cam_clk camclk[FIMC_MAX_CAMCLKS]; |
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int num_clocks; |
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} clk_provider; |
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struct v4l2_async_notifier subdev_notifier; |
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bool user_subdev_api; |
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spinlock_t slock; |
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struct list_head pipelines; |
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struct media_graph link_setup_graph; |
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}; |
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static inline |
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struct fimc_sensor_info *source_to_sensor_info(struct fimc_source_info *si) |
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{ |
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return container_of(si, struct fimc_sensor_info, pdata); |
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} |
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static inline struct fimc_md *entity_to_fimc_mdev(struct media_entity *me) |
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{ |
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return me->graph_obj.mdev == NULL ? NULL : |
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container_of(me->graph_obj.mdev, struct fimc_md, media_dev); |
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} |
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static inline struct fimc_md *notifier_to_fimc_md(struct v4l2_async_notifier *n) |
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{ |
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return container_of(n, struct fimc_md, subdev_notifier); |
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} |
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static inline void fimc_md_graph_lock(struct exynos_video_entity *ve) |
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{ |
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mutex_lock(&ve->vdev.entity.graph_obj.mdev->graph_mutex); |
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} |
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static inline void fimc_md_graph_unlock(struct exynos_video_entity *ve) |
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{ |
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mutex_unlock(&ve->vdev.entity.graph_obj.mdev->graph_mutex); |
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} |
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int fimc_md_set_camclk(struct v4l2_subdev *sd, bool on); |
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#ifdef CONFIG_OF |
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static inline bool fimc_md_is_isp_available(struct device_node *node) |
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{ |
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node = of_get_child_by_name(node, FIMC_IS_OF_NODE_NAME); |
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return node ? of_device_is_available(node) : false; |
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} |
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#else |
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#define fimc_md_is_isp_available(node) (false) |
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#endif /* CONFIG_OF */ |
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static inline struct v4l2_subdev *__fimc_md_get_subdev( |
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struct exynos_media_pipeline *ep, |
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unsigned int index) |
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{ |
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struct fimc_pipeline *p = to_fimc_pipeline(ep); |
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if (!p || index >= IDX_MAX) |
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return NULL; |
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else |
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return p->subdevs[index]; |
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} |
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#endif
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