Файловый менеджер

Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/include/media/soc_camera.h

Назад
/* SPDX-License-Identifier: GPL-2.0-only / / * camera image capture (abstract) bus driver header * * Copyright (C) 2006, Sascha Hauer, Pengutronix * Copyright (C) 2008, Guennadi Liakhovetski <kernel@pengutronix.de> / #ifndef SOC_CAMERA_H #define SOC_CAMERA_H #include <linux/bitops.h> #include <linux/device.h> #include <linux/mutex.h> #include <linux/pm.h> #include <linux/videodev2.h> #include <media/videobuf2-v4l2.h> #include <media/v4l2-async.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> struct file; struct soc_camera_desc; struct soc_camera_async_client; struct soc_camera_device { struct list_head list; / list of all registered devices / struct soc_camera_desc sdesc; struct device pdev; / Platform device / struct device parent; /* Camera host device / struct device control; /* E.g., the i2c client / s32 user_width; s32 user_height; u32 bytesperline; / for padding, zero if unused / u32 sizeimage; enum v4l2_colorspace colorspace; unsigned char iface; / Host number / unsigned char devnum; / Device number per host / struct soc_camera_sense sense; /* See comment in struct definition / struct video_device vdev; struct v4l2_ctrl_handler ctrl_handler; const struct soc_camera_format_xlate current_fmt; struct soc_camera_format_xlate user_formats; int num_user_formats; enum v4l2_field field; /* Preserve field over close() / void host_priv; /* Per-device host private data / / soc_camera.c private count. Only accessed with .host_lock held / int use_count; struct file streamer; /* stream owner / struct v4l2_clk clk; /* Asynchronous subdevice management / struct soc_camera_async_client sasc; /* video buffer queue / struct vb2_queue vb2_vidq; }; / Host supports programmable stride / #define SOCAM_HOST_CAP_STRIDE (1 << 0) enum soc_camera_subdev_role { SOCAM_SUBDEV_DATA_SOURCE = 1, SOCAM_SUBDEV_DATA_SINK, SOCAM_SUBDEV_DATA_PROCESSOR, }; struct soc_camera_async_subdev { struct v4l2_async_subdev asd; enum soc_camera_subdev_role role; }; struct soc_camera_host { struct v4l2_device v4l2_dev; struct list_head list; struct mutex host_lock; / Main synchronisation lock / struct mutex clk_lock; / Protect pipeline modifications / unsigned char nr; / Host number / u32 capabilities; struct soc_camera_device icd; /* Currently attached client / void priv; const char drv_name; struct soc_camera_host_ops ops; struct v4l2_async_subdev *asd; / Flat array, arranged in groups / unsigned int asd_sizes; /* 0-terminated array of asd group sizes / }; struct soc_camera_host_ops { struct module owner; int (add)(struct soc_camera_device ); void (remove)(struct soc_camera_device ); int (clock_start)(struct soc_camera_host ); void (clock_stop)(struct soc_camera_host ); /* * .get_formats() is called for each client device format, but * .put_formats() is only called once. Further, if any of the calls to * .get_formats() fail, .put_formats() will not be called at all, the * failing .get_formats() must then clean up internally. / int (get_formats)(struct soc_camera_device , unsigned int, struct soc_camera_format_xlate ); void (put_formats)(struct soc_camera_device ); int (get_selection)(struct soc_camera_device , struct v4l2_selection ); int (set_selection)(struct soc_camera_device , struct v4l2_selection ); /* * The difference to .set_selection() is, that .set_liveselection is not allowed * to change the output sizes / int (set_liveselection)(struct soc_camera_device , struct v4l2_selection ); int (set_fmt)(struct soc_camera_device , struct v4l2_format ); int (try_fmt)(struct soc_camera_device , struct v4l2_format ); int (init_videobuf2)(struct vb2_queue , struct soc_camera_device ); int (querycap)(struct soc_camera_host , struct v4l2_capability ); int (set_bus_param)(struct soc_camera_device ); int (get_parm)(struct soc_camera_device , struct v4l2_streamparm ); int (set_parm)(struct soc_camera_device , struct v4l2_streamparm ); int (enum_framesizes)(struct soc_camera_device , struct v4l2_frmsizeenum ); __poll_t (poll)(struct file , poll_table ); }; #define SOCAM_SENSOR_INVERT_PCLK (1 << 0) #define SOCAM_SENSOR_INVERT_MCLK (1 << 1) #define SOCAM_SENSOR_INVERT_HSYNC (1 << 2) #define SOCAM_SENSOR_INVERT_VSYNC (1 << 3) #define SOCAM_SENSOR_INVERT_DATA (1 << 4) struct i2c_board_info; struct regulator_bulk_data; struct soc_camera_subdev_desc { /* Per camera SOCAM_SENSOR_* bus flags / unsigned long flags; / sensor driver private platform data / void drv_priv; /* * Set unbalanced_power to true to deal with legacy drivers, failing to * balance their calls to subdevice's .s_power() method. clock_state is * then used internally by helper functions, it shouldn't be touched by * drivers or the platform code. / bool unbalanced_power; unsigned long clock_state; / Optional callbacks to power on or off and reset the sensor / int (power)(struct device , int); int (reset)(struct device ); / * some platforms may support different data widths than the sensors * native ones due to different data line routing. Let the board code * overwrite the width flags. / int (set_bus_param)(struct soc_camera_subdev_desc , unsigned long flags); unsigned long (query_bus_param)(struct soc_camera_subdev_desc ); void (free_bus)(struct soc_camera_subdev_desc ); / Optional regulators that have to be managed on power on/off events / struct v4l2_subdev_platform_data sd_pdata; }; struct soc_camera_host_desc { / Camera bus id, used to match a camera and a bus / int bus_id; int i2c_adapter_id; struct i2c_board_info board_info; const char module_name; / * For non-I2C devices platform has to provide methods to add a device * to the system and to remove it / int (add_device)(struct soc_camera_device ); void (del_device)(struct soc_camera_device ); }; / * Platform data for "soc-camera-pdrv" * This MUST be kept binary-identical to struct soc_camera_link below, until * it is completely replaced by this one, after which we can split it into its * two components. / struct soc_camera_desc { struct soc_camera_subdev_desc subdev_desc; struct soc_camera_host_desc host_desc; }; / Prepare to replace this struct: don't change its layout any more! / struct soc_camera_link { / * Subdevice part - keep at top and compatible to * struct soc_camera_subdev_desc / / Per camera SOCAM_SENSOR_* bus flags / unsigned long flags; void priv; /* Set by platforms to handle misbehaving drivers / bool unbalanced_power; / Used by soc-camera helper functions / unsigned long clock_state; / Optional callbacks to power on or off and reset the sensor / int (power)(struct device , int); int (reset)(struct device ); / * some platforms may support different data widths than the sensors * native ones due to different data line routing. Let the board code * overwrite the width flags. / int (set_bus_param)(struct soc_camera_link , unsigned long flags); unsigned long (query_bus_param)(struct soc_camera_link ); void (free_bus)(struct soc_camera_link ); / Optional regulators that have to be managed on power on/off events / struct regulator_bulk_data regulators; int num_regulators; void host_priv; / * Host part - keep at bottom and compatible to * struct soc_camera_host_desc / / Camera bus id, used to match a camera and a bus / int bus_id; int i2c_adapter_id; struct i2c_board_info board_info; const char module_name; / * For non-I2C devices platform has to provide methods to add a device * to the system and to remove it / int (add_device)(struct soc_camera_device ); void (del_device)(struct soc_camera_device ); }; static inline struct soc_camera_host to_soc_camera_host( const struct device dev) { struct v4l2_device v4l2_dev = dev_get_drvdata(dev); return container_of(v4l2_dev, struct soc_camera_host, v4l2_dev); } static inline struct soc_camera_desc to_soc_camera_desc( const struct soc_camera_device icd) { return icd->sdesc; } static inline struct device to_soc_camera_control( const struct soc_camera_device icd) { return icd->control; } static inline struct v4l2_subdev soc_camera_to_subdev( const struct soc_camera_device icd) { struct device control = to_soc_camera_control(icd); return dev_get_drvdata(control); } int soc_camera_host_register(struct soc_camera_host ici); void soc_camera_host_unregister(struct soc_camera_host ici); const struct soc_camera_format_xlate soc_camera_xlate_by_fourcc( struct soc_camera_device icd, unsigned int fourcc); /* * struct soc_camera_format_xlate - match between host and sensor formats * @code: code of a sensor provided format * @host_fmt: host format after host translation from code * * Host and sensor translation structure. Used in table of host and sensor * formats matchings in soc_camera_device. A host can override the generic list * generation by implementing get_formats(), and use it for format checks and * format setup. / struct soc_camera_format_xlate { u32 code; const struct soc_mbus_pixelfmt host_fmt; }; #define SOCAM_SENSE_PCLK_CHANGED (1 << 0) /** * This struct can be attached to struct soc_camera_device by the host driver * to request sense from the camera, for example, when calling .set_fmt(). The * host then can check which flags are set and verify respective values if any. * For example, if SOCAM_SENSE_PCLK_CHANGED is set, it means, pixclock has * changed during this operation. After completion the host should detach sense. * * @flags ored SOCAM_SENSE_* flags * @master_clock if the host wants to be informed about pixel-clock * change, it better set master_clock. * @pixel_clock_max maximum pixel clock frequency supported by the host, * camera is not allowed to exceed this. * @pixel_clock if the camera driver changed pixel clock during this * operation, it sets SOCAM_SENSE_PCLK_CHANGED, uses * master_clock to calculate the new pixel-clock and * sets this field. / struct soc_camera_sense { unsigned long flags; unsigned long master_clock; unsigned long pixel_clock_max; unsigned long pixel_clock; }; #define SOCAM_DATAWIDTH(x) BIT((x) - 1) #define SOCAM_DATAWIDTH_4 SOCAM_DATAWIDTH(4) #define SOCAM_DATAWIDTH_8 SOCAM_DATAWIDTH(8) #define SOCAM_DATAWIDTH_9 SOCAM_DATAWIDTH(9) #define SOCAM_DATAWIDTH_10 SOCAM_DATAWIDTH(10) #define SOCAM_DATAWIDTH_12 SOCAM_DATAWIDTH(12) #define SOCAM_DATAWIDTH_15 SOCAM_DATAWIDTH(15) #define SOCAM_DATAWIDTH_16 SOCAM_DATAWIDTH(16) #define SOCAM_DATAWIDTH_18 SOCAM_DATAWIDTH(18) #define SOCAM_DATAWIDTH_24 SOCAM_DATAWIDTH(24) #define SOCAM_DATAWIDTH_MASK (SOCAM_DATAWIDTH_4 \| SOCAM_DATAWIDTH_8 \| \ SOCAM_DATAWIDTH_9 \| SOCAM_DATAWIDTH_10 \| \ SOCAM_DATAWIDTH_12 \| SOCAM_DATAWIDTH_15 \| \ SOCAM_DATAWIDTH_16 \| SOCAM_DATAWIDTH_18 \| \ SOCAM_DATAWIDTH_24) static inline void soc_camera_limit_side(int start, int length, unsigned int start_min, unsigned int length_min, unsigned int length_max) { if (length < length_min) length = length_min; else if (length > length_max) length = length_max; if (start < start_min) start = start_min; else if (start > start_min + length_max - length) start = start_min + length_max - length; } unsigned long soc_camera_apply_board_flags(struct soc_camera_subdev_desc ssdd, const struct v4l2_mbus_config cfg); int soc_camera_power_init(struct device dev, struct soc_camera_subdev_desc ssdd); int soc_camera_power_on(struct device dev, struct soc_camera_subdev_desc ssdd, struct v4l2_clk clk); int soc_camera_power_off(struct device dev, struct soc_camera_subdev_desc ssdd, struct v4l2_clk clk); static inline int soc_camera_set_power(struct device dev, struct soc_camera_subdev_desc ssdd, struct v4l2_clk clk, bool on) { return on ? soc_camera_power_on(dev, ssdd, clk) : soc_camera_power_off(dev, ssdd, clk); } /* This is only temporary here - until v4l2-subdev begins to link to video_device / #include <linux/i2c.h> static inline struct video_device soc_camera_i2c_to_vdev(const struct i2c_client client) { struct v4l2_subdev sd = i2c_get_clientdata(client); struct soc_camera_device icd = v4l2_get_subdev_hostdata(sd); return icd ? icd->vdev : NULL; } static inline struct soc_camera_subdev_desc soc_camera_i2c_to_desc(const struct i2c_client client) { return client->dev.platform_data; } static inline struct v4l2_subdev soc_camera_vdev_to_subdev(struct video_device vdev) { struct soc_camera_device icd = video_get_drvdata(vdev); return soc_camera_to_subdev(icd); } static inline struct soc_camera_device soc_camera_from_vb2q(const struct vb2_queue vq) { return container_of(vq, struct soc_camera_device, vb2_vidq); } static inline u32 soc_camera_grp_id(const struct soc_camera_device icd) { return (icd->iface << 8) \| (icd->devnum + 1); } void soc_camera_lock(struct vb2_queue vq); void soc_camera_unlock(struct vb2_queue *vq); #endif

| ver. 1.4 | Github | . | PHP 7.4.3-4ubuntu2.24 | Генерация страницы: 0 | proxy | phpinfo | Настройка