diff options
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/davinci/vpif_types.h | 2 | ||||
| -rw-r--r-- | include/media/v4l2-async.h | 146 | ||||
| -rw-r--r-- | include/media/v4l2-clk.h | 73 | ||||
| -rw-r--r-- | include/media/v4l2-common.h | 4 | ||||
| -rw-r--r-- | include/media/v4l2-event.h | 13 | ||||
| -rw-r--r-- | include/media/v4l2-fwnode.h | 28 |
6 files changed, 106 insertions, 160 deletions
diff --git a/include/media/davinci/vpif_types.h b/include/media/davinci/vpif_types.h index 8439e46fb993..d03e5c54347a 100644 --- a/include/media/davinci/vpif_types.h +++ b/include/media/davinci/vpif_types.h @@ -48,8 +48,6 @@ struct vpif_display_config { int i2c_adapter_id; struct vpif_display_chan_config chan_config[VPIF_DISPLAY_MAX_CHANNELS]; const char *card_name; - struct v4l2_async_subdev **asd; /* Flat array, arranged in groups */ - int *asd_sizes; /* 0-terminated array of asd group sizes */ }; struct vpif_input { diff --git a/include/media/v4l2-async.h b/include/media/v4l2-async.h index 0e04b5b2ebb0..f572e1279182 100644 --- a/include/media/v4l2-async.h +++ b/include/media/v4l2-async.h @@ -11,6 +11,7 @@ #include <linux/list.h> #include <linux/mutex.h> +struct dentry; struct device; struct device_node; struct v4l2_device; @@ -21,9 +22,6 @@ struct v4l2_async_notifier; * enum v4l2_async_match_type - type of asynchronous subdevice logic to be used * in order to identify a match * - * @V4L2_ASYNC_MATCH_CUSTOM: Match will use the logic provided by &struct - * v4l2_async_subdev.match ops - * @V4L2_ASYNC_MATCH_DEVNAME: Match will use the device name * @V4L2_ASYNC_MATCH_I2C: Match will check for I2C adapter ID and address * @V4L2_ASYNC_MATCH_FWNODE: Match will use firmware node * @@ -31,8 +29,6 @@ struct v4l2_async_notifier; * algorithm that will be used to match an asynchronous device. */ enum v4l2_async_match_type { - V4L2_ASYNC_MATCH_CUSTOM, - V4L2_ASYNC_MATCH_DEVNAME, V4L2_ASYNC_MATCH_I2C, V4L2_ASYNC_MATCH_FWNODE, }; @@ -45,9 +41,6 @@ enum v4l2_async_match_type { * @match.fwnode: * pointer to &struct fwnode_handle to be matched. * Used if @match_type is %V4L2_ASYNC_MATCH_FWNODE. - * @match.device_name: - * string containing the device name to be matched. - * Used if @match_type is %V4L2_ASYNC_MATCH_DEVNAME. * @match.i2c: embedded struct with I2C parameters to be matched. * Both @match.i2c.adapter_id and @match.i2c.address * should be matched. @@ -58,15 +51,6 @@ enum v4l2_async_match_type { * @match.i2c.address: * I2C address to be matched. * Used if @match_type is %V4L2_ASYNC_MATCH_I2C. - * @match.custom: - * Driver-specific match criteria. - * Used if @match_type is %V4L2_ASYNC_MATCH_CUSTOM. - * @match.custom.match: - * Driver-specific match function to be used if - * %V4L2_ASYNC_MATCH_CUSTOM. - * @match.custom.priv: - * Driver-specific private struct with match parameters - * to be used if %V4L2_ASYNC_MATCH_CUSTOM. * @asd_list: used to add struct v4l2_async_subdev objects to the * master notifier @asd_list * @list: used to link struct v4l2_async_subdev objects, waiting to be @@ -80,16 +64,10 @@ struct v4l2_async_subdev { enum v4l2_async_match_type match_type; union { struct fwnode_handle *fwnode; - const char *device_name; struct { int adapter_id; unsigned short address; } i2c; - struct { - bool (*match)(struct device *dev, - struct v4l2_async_subdev *sd); - void *priv; - } custom; } match; /* v4l2-async core private: not to be used by drivers */ @@ -138,60 +116,84 @@ struct v4l2_async_notifier { }; /** + * v4l2_async_debug_init - Initialize debugging tools. + * + * @debugfs_dir: pointer to the parent debugfs &struct dentry + */ +void v4l2_async_debug_init(struct dentry *debugfs_dir); + +/** * v4l2_async_notifier_init - Initialize a notifier. * * @notifier: pointer to &struct v4l2_async_notifier * * This function initializes the notifier @asd_list. It must be called - * before the first call to @v4l2_async_notifier_add_subdev. + * before adding a subdevice to a notifier, using one of: + * @v4l2_async_notifier_add_fwnode_remote_subdev, + * @v4l2_async_notifier_add_fwnode_subdev, + * @v4l2_async_notifier_add_i2c_subdev, + * @__v4l2_async_notifier_add_subdev or + * @v4l2_async_notifier_parse_fwnode_endpoints. */ void v4l2_async_notifier_init(struct v4l2_async_notifier *notifier); /** - * v4l2_async_notifier_add_subdev - Add an async subdev to the + * __v4l2_async_notifier_add_subdev - Add an async subdev to the * notifier's master asd list. * * @notifier: pointer to &struct v4l2_async_notifier * @asd: pointer to &struct v4l2_async_subdev * + * \warning: Drivers should avoid using this function and instead use one of: + * @v4l2_async_notifier_add_fwnode_subdev, + * @v4l2_async_notifier_add_fwnode_remote_subdev or + * @v4l2_async_notifier_add_i2c_subdev. + * * Call this function before registering a notifier to link the provided @asd to * the notifiers master @asd_list. The @asd must be allocated with k*alloc() as * it will be freed by the framework when the notifier is destroyed. */ -int v4l2_async_notifier_add_subdev(struct v4l2_async_notifier *notifier, +int __v4l2_async_notifier_add_subdev(struct v4l2_async_notifier *notifier, struct v4l2_async_subdev *asd); +struct v4l2_async_subdev * +__v4l2_async_notifier_add_fwnode_subdev(struct v4l2_async_notifier *notifier, + struct fwnode_handle *fwnode, + unsigned int asd_struct_size); /** * v4l2_async_notifier_add_fwnode_subdev - Allocate and add a fwnode async * subdev to the notifier's master asd_list. * * @notifier: pointer to &struct v4l2_async_notifier - * @fwnode: fwnode handle of the sub-device to be matched - * @asd_struct_size: size of the driver's async sub-device struct, including - * sizeof(struct v4l2_async_subdev). The &struct - * v4l2_async_subdev shall be the first member of - * the driver's async sub-device struct, i.e. both - * begin at the same memory address. + * @fwnode: fwnode handle of the sub-device to be matched, pointer to + * &struct fwnode_handle + * @type: Type of the driver's async sub-device struct. The &struct + * v4l2_async_subdev shall be the first member of the driver's async + * sub-device struct, i.e. both begin at the same memory address. * * Allocate a fwnode-matched asd of size asd_struct_size, and add it to the * notifiers @asd_list. The function also gets a reference of the fwnode which * is released later at notifier cleanup time. */ -struct v4l2_async_subdev * -v4l2_async_notifier_add_fwnode_subdev(struct v4l2_async_notifier *notifier, - struct fwnode_handle *fwnode, - unsigned int asd_struct_size); +#define v4l2_async_notifier_add_fwnode_subdev(notifier, fwnode, type) \ + ((type *)__v4l2_async_notifier_add_fwnode_subdev(notifier, fwnode, \ + sizeof(type))) +struct v4l2_async_subdev * +__v4l2_async_notifier_add_fwnode_remote_subdev(struct v4l2_async_notifier *notif, + struct fwnode_handle *endpoint, + unsigned int asd_struct_size); /** * v4l2_async_notifier_add_fwnode_remote_subdev - Allocate and add a fwnode * remote async subdev to the * notifier's master asd_list. * - * @notif: pointer to &struct v4l2_async_notifier - * @endpoint: local endpoint pointing to the remote sub-device to be matched - * @asd: Async sub-device struct allocated by the caller. The &struct - * v4l2_async_subdev shall be the first member of the driver's async - * sub-device struct, i.e. both begin at the same memory address. + * @notifier: pointer to &struct v4l2_async_notifier + * @ep: local endpoint pointing to the remote sub-device to be matched, + * pointer to &struct fwnode_handle + * @type: Type of the driver's async sub-device struct. The &struct + * v4l2_async_subdev shall be the first member of the driver's async + * sub-device struct, i.e. both begin at the same memory address. * * Gets the remote endpoint of a given local endpoint, set it up for fwnode * matching and adds the async sub-device to the notifier's @asd_list. The @@ -199,52 +201,34 @@ v4l2_async_notifier_add_fwnode_subdev(struct v4l2_async_notifier *notifier, * notifier cleanup time. * * This is just like @v4l2_async_notifier_add_fwnode_subdev, but with the - * exception that the fwnode refers to a local endpoint, not the remote one, and - * the function relies on the caller to allocate the async sub-device struct. + * exception that the fwnode refers to a local endpoint, not the remote one. */ -int -v4l2_async_notifier_add_fwnode_remote_subdev(struct v4l2_async_notifier *notif, - struct fwnode_handle *endpoint, - struct v4l2_async_subdev *asd); +#define v4l2_async_notifier_add_fwnode_remote_subdev(notifier, ep, type) \ + ((type *) \ + __v4l2_async_notifier_add_fwnode_remote_subdev(notifier, ep, \ + sizeof(type))) +struct v4l2_async_subdev * +__v4l2_async_notifier_add_i2c_subdev(struct v4l2_async_notifier *notifier, + int adapter_id, unsigned short address, + unsigned int asd_struct_size); /** * v4l2_async_notifier_add_i2c_subdev - Allocate and add an i2c async * subdev to the notifier's master asd_list. * * @notifier: pointer to &struct v4l2_async_notifier - * @adapter_id: I2C adapter ID to be matched + * @adapter: I2C adapter ID to be matched * @address: I2C address of sub-device to be matched - * @asd_struct_size: size of the driver's async sub-device struct, including - * sizeof(struct v4l2_async_subdev). The &struct - * v4l2_async_subdev shall be the first member of - * the driver's async sub-device struct, i.e. both - * begin at the same memory address. + * @type: Type of the driver's async sub-device struct. The &struct + * v4l2_async_subdev shall be the first member of the driver's async + * sub-device struct, i.e. both begin at the same memory address. * - * Same as above but for I2C matched sub-devices. + * Same as v4l2_async_notifier_add_fwnode_subdev() but for I2C matched + * sub-devices. */ -struct v4l2_async_subdev * -v4l2_async_notifier_add_i2c_subdev(struct v4l2_async_notifier *notifier, - int adapter_id, unsigned short address, - unsigned int asd_struct_size); - -/** - * v4l2_async_notifier_add_devname_subdev - Allocate and add a device-name - * async subdev to the notifier's master asd_list. - * - * @notifier: pointer to &struct v4l2_async_notifier - * @device_name: device name string to be matched - * @asd_struct_size: size of the driver's async sub-device struct, including - * sizeof(struct v4l2_async_subdev). The &struct - * v4l2_async_subdev shall be the first member of - * the driver's async sub-device struct, i.e. both - * begin at the same memory address. - * - * Same as above but for device-name matched sub-devices. - */ -struct v4l2_async_subdev * -v4l2_async_notifier_add_devname_subdev(struct v4l2_async_notifier *notifier, - const char *device_name, - unsigned int asd_struct_size); +#define v4l2_async_notifier_add_i2c_subdev(notifier, adapter, address, type) \ + ((type *)__v4l2_async_notifier_add_i2c_subdev(notifier, adapter, \ + address, sizeof(type))) /** * v4l2_async_notifier_register - registers a subdevice asynchronous notifier @@ -281,9 +265,11 @@ void v4l2_async_notifier_unregister(struct v4l2_async_notifier *notifier); * sub-devices allocated for the purposes of the notifier but not the notifier * itself. The user is responsible for calling this function to clean up the * notifier after calling - * @v4l2_async_notifier_add_subdev, - * @v4l2_async_notifier_parse_fwnode_endpoints or - * @v4l2_fwnode_reference_parse_sensor_common. + * @v4l2_async_notifier_add_fwnode_remote_subdev, + * @v4l2_async_notifier_add_fwnode_subdev, + * @v4l2_async_notifier_add_i2c_subdev, + * @__v4l2_async_notifier_add_subdev or + * @v4l2_async_notifier_parse_fwnode_endpoints. * * There is no harm from calling v4l2_async_notifier_cleanup in other * cases as long as its memory has been zeroed after it has been diff --git a/include/media/v4l2-clk.h b/include/media/v4l2-clk.h deleted file mode 100644 index d9d21a43a834..000000000000 --- a/include/media/v4l2-clk.h +++ /dev/null @@ -1,73 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * V4L2 clock service - * - * Copyright (C) 2012-2013, Guennadi Liakhovetski <g.liakhovetski@gmx.de> - * - * ATTENTION: This is a temporary API and it shall be replaced by the generic - * clock API, when the latter becomes widely available. - */ - -#ifndef MEDIA_V4L2_CLK_H -#define MEDIA_V4L2_CLK_H - -#include <linux/atomic.h> -#include <linux/export.h> -#include <linux/list.h> -#include <linux/mutex.h> - -struct module; -struct device; - -struct clk; -struct v4l2_clk { - struct list_head list; - const struct v4l2_clk_ops *ops; - const char *dev_id; - int enable; - struct mutex lock; /* Protect the enable count */ - atomic_t use_count; - struct clk *clk; - void *priv; -}; - -struct v4l2_clk_ops { - struct module *owner; - int (*enable)(struct v4l2_clk *clk); - void (*disable)(struct v4l2_clk *clk); - unsigned long (*get_rate)(struct v4l2_clk *clk); - int (*set_rate)(struct v4l2_clk *clk, unsigned long); -}; - -struct v4l2_clk *v4l2_clk_register(const struct v4l2_clk_ops *ops, - const char *dev_name, - void *priv); -void v4l2_clk_unregister(struct v4l2_clk *clk); -struct v4l2_clk *v4l2_clk_get(struct device *dev, const char *id); -void v4l2_clk_put(struct v4l2_clk *clk); -int v4l2_clk_enable(struct v4l2_clk *clk); -void v4l2_clk_disable(struct v4l2_clk *clk); -unsigned long v4l2_clk_get_rate(struct v4l2_clk *clk); -int v4l2_clk_set_rate(struct v4l2_clk *clk, unsigned long rate); - -struct module; - -struct v4l2_clk *__v4l2_clk_register_fixed(const char *dev_id, - unsigned long rate, struct module *owner); -void v4l2_clk_unregister_fixed(struct v4l2_clk *clk); - -static inline struct v4l2_clk *v4l2_clk_register_fixed(const char *dev_id, - unsigned long rate) -{ - return __v4l2_clk_register_fixed(dev_id, rate, THIS_MODULE); -} - -#define V4L2_CLK_NAME_SIZE 64 - -#define v4l2_clk_name_i2c(name, size, adap, client) snprintf(name, size, \ - "%d-%04x", adap, client) - -#define v4l2_clk_name_of(name, size, node) snprintf(name, size, \ - "of-%pOF", node) - -#endif diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h index be36cbdcc1bd..3eb202259e8c 100644 --- a/include/media/v4l2-common.h +++ b/include/media/v4l2-common.h @@ -520,7 +520,7 @@ int v4l2_fill_pixfmt_mp(struct v4l2_pix_format_mplane *pixfmt, u32 pixelformat, u32 width, u32 height); /** - * v4l2_get_link_rate - Get link rate from transmitter + * v4l2_get_link_freq - Get link rate from transmitter * * @handler: The transmitter's control handler * @mul: The multiplier between pixel rate and link frequency. Bits per pixel on @@ -537,7 +537,7 @@ int v4l2_fill_pixfmt_mp(struct v4l2_pix_format_mplane *pixfmt, u32 pixelformat, * -ENOENT: Link frequency or pixel rate control not found * -EINVAL: Invalid link frequency value */ -s64 v4l2_get_link_rate(struct v4l2_ctrl_handler *handler, unsigned int mul, +s64 v4l2_get_link_freq(struct v4l2_ctrl_handler *handler, unsigned int mul, unsigned int div); static inline u64 v4l2_buffer_get_timestamp(const struct v4l2_buffer *buf) diff --git a/include/media/v4l2-event.h b/include/media/v4l2-event.h index 3f0281d06ec7..4ffa914ade3a 100644 --- a/include/media/v4l2-event.h +++ b/include/media/v4l2-event.h @@ -101,7 +101,7 @@ int v4l2_event_dequeue(struct v4l2_fh *fh, struct v4l2_event *event, * * .. note:: * The driver's only responsibility is to fill in the type and the data - * fields.The other fields will be filled in by V4L2. + * fields. The other fields will be filled in by V4L2. */ void v4l2_event_queue(struct video_device *vdev, const struct v4l2_event *ev); @@ -116,11 +116,20 @@ void v4l2_event_queue(struct video_device *vdev, const struct v4l2_event *ev); * * .. note:: * The driver's only responsibility is to fill in the type and the data - * fields.The other fields will be filled in by V4L2. + * fields. The other fields will be filled in by V4L2. */ void v4l2_event_queue_fh(struct v4l2_fh *fh, const struct v4l2_event *ev); /** + * v4l2_event_wake_all - Wake all filehandles. + * + * Used when unregistering a video device. + * + * @vdev: pointer to &struct video_device + */ +void v4l2_event_wake_all(struct video_device *vdev); + +/** * v4l2_event_pending - Check if an event is available * * @fh: pointer to &struct v4l2_fh diff --git a/include/media/v4l2-fwnode.h b/include/media/v4l2-fwnode.h index 4365430eea6f..80d21ad8d603 100644 --- a/include/media/v4l2-fwnode.h +++ b/include/media/v4l2-fwnode.h @@ -25,7 +25,7 @@ struct fwnode_handle; struct v4l2_async_notifier; struct v4l2_async_subdev; -#define V4L2_FWNODE_CSI2_MAX_DATA_LANES 4 +#define V4L2_FWNODE_CSI2_MAX_DATA_LANES 8 /** * struct v4l2_fwnode_bus_mipi_csi2 - MIPI CSI-2 bus data structure @@ -214,6 +214,28 @@ struct v4l2_fwnode_connector { }; /** + * enum v4l2_fwnode_bus_type - Video bus types defined by firmware properties + * @V4L2_FWNODE_BUS_TYPE_GUESS: Default value if no bus-type fwnode property + * @V4L2_FWNODE_BUS_TYPE_CSI2_CPHY: MIPI CSI-2 bus, C-PHY physical layer + * @V4L2_FWNODE_BUS_TYPE_CSI1: MIPI CSI-1 bus + * @V4L2_FWNODE_BUS_TYPE_CCP2: SMIA Compact Camera Port 2 bus + * @V4L2_FWNODE_BUS_TYPE_CSI2_DPHY: MIPI CSI-2 bus, D-PHY physical layer + * @V4L2_FWNODE_BUS_TYPE_PARALLEL: Camera Parallel Interface bus + * @V4L2_FWNODE_BUS_TYPE_BT656: BT.656 video format bus-type + * @NR_OF_V4L2_FWNODE_BUS_TYPE: Number of bus-types + */ +enum v4l2_fwnode_bus_type { + V4L2_FWNODE_BUS_TYPE_GUESS = 0, + V4L2_FWNODE_BUS_TYPE_CSI2_CPHY, + V4L2_FWNODE_BUS_TYPE_CSI1, + V4L2_FWNODE_BUS_TYPE_CCP2, + V4L2_FWNODE_BUS_TYPE_CSI2_DPHY, + V4L2_FWNODE_BUS_TYPE_PARALLEL, + V4L2_FWNODE_BUS_TYPE_BT656, + NR_OF_V4L2_FWNODE_BUS_TYPE +}; + +/** * v4l2_fwnode_endpoint_parse() - parse all fwnode node properties * @fwnode: pointer to the endpoint's fwnode handle * @vep: pointer to the V4L2 fwnode data structure @@ -453,6 +475,10 @@ typedef int (*parse_endpoint_func)(struct device *dev, * @parse_endpoint: Driver's callback function called on each V4L2 fwnode * endpoint. Optional. * + * DEPRECATED! This function is deprecated. Don't use it in new drivers. + * Instead see an example in cio2_parse_firmware() function in + * drivers/media/pci/intel/ipu3/ipu3-cio2.c . + * * Parse the fwnode endpoints of the @dev device and populate the async sub- * devices list in the notifier. The @parse_endpoint callback function is * called for each endpoint with the corresponding async sub-device pointer to |