diff options
Diffstat (limited to 'include/media')
27 files changed, 1189 insertions, 151 deletions
diff --git a/include/media/davinci/dm355_ccdc.h b/include/media/davinci/dm355_ccdc.h index df8a7b107477..adf2fe4bf0bb 100644 --- a/include/media/davinci/dm355_ccdc.h +++ b/include/media/davinci/dm355_ccdc.h @@ -193,7 +193,7 @@ struct ccdc_dft_corr_mem_ctl { #define CCDC_DFT_TABLE_SIZE 16 /* * Main Structure for vertical defect correction. Vertical defect - * correction can correct upto 16 defects if defects less than 16 + * correction can correct up to 16 defects if defects less than 16 * then pad the rest with 0 */ struct ccdc_vertical_dft { diff --git a/include/media/davinci/isif.h b/include/media/davinci/isif.h index b0b74ad618cc..7f3d76a4b9e3 100644 --- a/include/media/davinci/isif.h +++ b/include/media/davinci/isif.h @@ -199,7 +199,7 @@ struct isif_black_clamp { }; /************************************************************************* -** Color Space Convertion (CSC) +** Color Space Conversion (CSC) *************************************************************************/ #define ISIF_CSC_NUM_COEFF 16 struct isif_color_space_conv { diff --git a/include/media/lirc.h b/include/media/lirc.h index 6678a169fd9e..4b3ab2966b5a 100644 --- a/include/media/lirc.h +++ b/include/media/lirc.h @@ -137,7 +137,7 @@ */ #define LIRC_SET_REC_FILTER_SPACE _IOW('i', 0x0000001b, __u32) /* - * if filter cannot be set independantly for pulse/space, this should + * if filter cannot be set independently for pulse/space, this should * be used */ #define LIRC_SET_REC_FILTER _IOW('i', 0x0000001c, __u32) diff --git a/include/media/media-device.h b/include/media/media-device.h new file mode 100644 index 000000000000..6a27d916c250 --- /dev/null +++ b/include/media/media-device.h @@ -0,0 +1,95 @@ +/* + * Media device + * + * Copyright (C) 2010 Nokia Corporation + * + * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> + * Sakari Ailus <sakari.ailus@iki.fi> + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _MEDIA_DEVICE_H +#define _MEDIA_DEVICE_H + +#include <linux/device.h> +#include <linux/list.h> +#include <linux/mutex.h> +#include <linux/spinlock.h> + +#include <media/media-devnode.h> +#include <media/media-entity.h> + +/** + * struct media_device - Media device + * @dev: Parent device + * @devnode: Media device node + * @model: Device model name + * @serial: Device serial number (optional) + * @bus_info: Unique and stable device location identifier + * @hw_revision: Hardware device revision + * @driver_version: Device driver version + * @entity_id: ID of the next entity to be registered + * @entities: List of registered entities + * @lock: Entities list lock + * @graph_mutex: Entities graph operation lock + * + * This structure represents an abstract high-level media device. It allows easy + * access to entities and provides basic media device-level support. The + * structure can be allocated directly or embedded in a larger structure. + * + * The parent @dev is a physical device. It must be set before registering the + * media device. + * + * @model is a descriptive model name exported through sysfs. It doesn't have to + * be unique. + */ +struct media_device { + /* dev->driver_data points to this struct. */ + struct device *dev; + struct media_devnode devnode; + + char model[32]; + char serial[40]; + char bus_info[32]; + u32 hw_revision; + u32 driver_version; + + u32 entity_id; + struct list_head entities; + + /* Protects the entities list */ + spinlock_t lock; + /* Serializes graph operations. */ + struct mutex graph_mutex; + + int (*link_notify)(struct media_pad *source, + struct media_pad *sink, u32 flags); +}; + +/* media_devnode to media_device */ +#define to_media_device(node) container_of(node, struct media_device, devnode) + +int __must_check media_device_register(struct media_device *mdev); +void media_device_unregister(struct media_device *mdev); + +int __must_check media_device_register_entity(struct media_device *mdev, + struct media_entity *entity); +void media_device_unregister_entity(struct media_entity *entity); + +/* Iterate over all entities. */ +#define media_device_for_each_entity(entity, mdev) \ + list_for_each_entry(entity, &(mdev)->entities, list) + +#endif diff --git a/include/media/media-devnode.h b/include/media/media-devnode.h new file mode 100644 index 000000000000..f6caafc874cb --- /dev/null +++ b/include/media/media-devnode.h @@ -0,0 +1,97 @@ +/* + * Media device node + * + * Copyright (C) 2010 Nokia Corporation + * + * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> + * Sakari Ailus <sakari.ailus@iki.fi> + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * -- + * + * Common functions for media-related drivers to register and unregister media + * device nodes. + */ + +#ifndef _MEDIA_DEVNODE_H +#define _MEDIA_DEVNODE_H + +#include <linux/poll.h> +#include <linux/fs.h> +#include <linux/device.h> +#include <linux/cdev.h> + +/* + * Flag to mark the media_devnode struct as registered. Drivers must not touch + * this flag directly, it will be set and cleared by media_devnode_register and + * media_devnode_unregister. + */ +#define MEDIA_FLAG_REGISTERED 0 + +struct media_file_operations { + struct module *owner; + ssize_t (*read) (struct file *, char __user *, size_t, loff_t *); + ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *); + unsigned int (*poll) (struct file *, struct poll_table_struct *); + long (*ioctl) (struct file *, unsigned int, unsigned long); + int (*open) (struct file *); + int (*release) (struct file *); +}; + +/** + * struct media_devnode - Media device node + * @parent: parent device + * @minor: device node minor number + * @flags: flags, combination of the MEDIA_FLAG_* constants + * + * This structure represents a media-related device node. + * + * The @parent is a physical device. It must be set by core or device drivers + * before registering the node. + */ +struct media_devnode { + /* device ops */ + const struct media_file_operations *fops; + + /* sysfs */ + struct device dev; /* media device */ + struct cdev cdev; /* character device */ + struct device *parent; /* device parent */ + + /* device info */ + int minor; + unsigned long flags; /* Use bitops to access flags */ + + /* callbacks */ + void (*release)(struct media_devnode *mdev); +}; + +/* dev to media_devnode */ +#define to_media_devnode(cd) container_of(cd, struct media_devnode, dev) + +int __must_check media_devnode_register(struct media_devnode *mdev); +void media_devnode_unregister(struct media_devnode *mdev); + +static inline struct media_devnode *media_devnode_data(struct file *filp) +{ + return filp->private_data; +} + +static inline int media_devnode_is_registered(struct media_devnode *mdev) +{ + return test_bit(MEDIA_FLAG_REGISTERED, &mdev->flags); +} + +#endif /* _MEDIA_DEVNODE_H */ diff --git a/include/media/media-entity.h b/include/media/media-entity.h new file mode 100644 index 000000000000..cd8bca63a502 --- /dev/null +++ b/include/media/media-entity.h @@ -0,0 +1,151 @@ +/* + * Media entity + * + * Copyright (C) 2010 Nokia Corporation + * + * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> + * Sakari Ailus <sakari.ailus@iki.fi> + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _MEDIA_ENTITY_H +#define _MEDIA_ENTITY_H + +#include <linux/list.h> +#include <linux/media.h> + +struct media_pipeline { +}; + +struct media_link { + struct media_pad *source; /* Source pad */ + struct media_pad *sink; /* Sink pad */ + struct media_link *reverse; /* Link in the reverse direction */ + unsigned long flags; /* Link flags (MEDIA_LNK_FL_*) */ +}; + +struct media_pad { + struct media_entity *entity; /* Entity this pad belongs to */ + u16 index; /* Pad index in the entity pads array */ + unsigned long flags; /* Pad flags (MEDIA_PAD_FL_*) */ +}; + +struct media_entity_operations { + int (*link_setup)(struct media_entity *entity, + const struct media_pad *local, + const struct media_pad *remote, u32 flags); +}; + +struct media_entity { + struct list_head list; + struct media_device *parent; /* Media device this entity belongs to*/ + u32 id; /* Entity ID, unique in the parent media + * device context */ + const char *name; /* Entity name */ + u32 type; /* Entity type (MEDIA_ENT_T_*) */ + u32 revision; /* Entity revision, driver specific */ + unsigned long flags; /* Entity flags (MEDIA_ENT_FL_*) */ + u32 group_id; /* Entity group ID */ + + u16 num_pads; /* Number of sink and source pads */ + u16 num_links; /* Number of existing links, both + * enabled and disabled */ + u16 num_backlinks; /* Number of backlinks */ + u16 max_links; /* Maximum number of links */ + + struct media_pad *pads; /* Pads array (num_pads elements) */ + struct media_link *links; /* Links array (max_links elements)*/ + + const struct media_entity_operations *ops; /* Entity operations */ + + /* Reference counts must never be negative, but are signed integers on + * purpose: a simple WARN_ON(<0) check can be used to detect reference + * count bugs that would make them negative. + */ + int stream_count; /* Stream count for the entity. */ + int use_count; /* Use count for the entity. */ + + struct media_pipeline *pipe; /* Pipeline this entity belongs to. */ + + union { + /* Node specifications */ + struct { + u32 major; + u32 minor; + } v4l; + struct { + u32 major; + u32 minor; + } fb; + struct { + u32 card; + u32 device; + u32 subdevice; + } alsa; + int dvb; + + /* Sub-device specifications */ + /* Nothing needed yet */ + }; +}; + +static inline u32 media_entity_type(struct media_entity *entity) +{ + return entity->type & MEDIA_ENT_TYPE_MASK; +} + +static inline u32 media_entity_subtype(struct media_entity *entity) +{ + return entity->type & MEDIA_ENT_SUBTYPE_MASK; +} + +#define MEDIA_ENTITY_ENUM_MAX_DEPTH 16 + +struct media_entity_graph { + struct { + struct media_entity *entity; + int link; + } stack[MEDIA_ENTITY_ENUM_MAX_DEPTH]; + int top; +}; + +int media_entity_init(struct media_entity *entity, u16 num_pads, + struct media_pad *pads, u16 extra_links); +void media_entity_cleanup(struct media_entity *entity); + +int media_entity_create_link(struct media_entity *source, u16 source_pad, + struct media_entity *sink, u16 sink_pad, u32 flags); +int __media_entity_setup_link(struct media_link *link, u32 flags); +int media_entity_setup_link(struct media_link *link, u32 flags); +struct media_link *media_entity_find_link(struct media_pad *source, + struct media_pad *sink); +struct media_pad *media_entity_remote_source(struct media_pad *pad); + +struct media_entity *media_entity_get(struct media_entity *entity); +void media_entity_put(struct media_entity *entity); + +void media_entity_graph_walk_start(struct media_entity_graph *graph, + struct media_entity *entity); +struct media_entity * +media_entity_graph_walk_next(struct media_entity_graph *graph); +void media_entity_pipeline_start(struct media_entity *entity, + struct media_pipeline *pipe); +void media_entity_pipeline_stop(struct media_entity *entity); + +#define media_entity_call(entity, operation, args...) \ + (((entity)->ops && (entity)->ops->operation) ? \ + (entity)->ops->operation((entity) , ##args) : -ENOIOCTLCMD) + +#endif diff --git a/include/media/noon010pc30.h b/include/media/noon010pc30.h new file mode 100644 index 000000000000..58eafee36b30 --- /dev/null +++ b/include/media/noon010pc30.h @@ -0,0 +1,28 @@ +/* + * Driver header for NOON010PC30L camera sensor chip. + * + * Copyright (c) 2010 Samsung Electronics, Co. Ltd + * Contact: Sylwester Nawrocki <s.nawrocki@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef NOON010PC30_H +#define NOON010PC30_H + +/** + * @clk_rate: the clock frequency in Hz + * @gpio_nreset: GPIO driving nRESET pin + * @gpio_nstby: GPIO driving nSTBY pin + */ + +struct noon010pc30_platform_data { + unsigned long clk_rate; + int gpio_nreset; + int gpio_nstby; +}; + +#endif /* NOON010PC30_H */ diff --git a/include/media/rc-map.h b/include/media/rc-map.h index ee9e2f747c76..9184751f19c0 100644 --- a/include/media/rc-map.h +++ b/include/media/rc-map.h @@ -94,7 +94,7 @@ void rc_map_init(void); #define RC_MAP_GADMEI_RM008Z "rc-gadmei-rm008z" #define RC_MAP_GENIUS_TVGO_A11MCE "rc-genius-tvgo-a11mce" #define RC_MAP_GOTVIEW7135 "rc-gotview7135" -#define RC_MAP_HAUPPAUGE_NEW "rc-hauppauge-new" +#define RC_MAP_HAUPPAUGE_NEW "rc-hauppauge" #define RC_MAP_IMON_MCE "rc-imon-mce" #define RC_MAP_IMON_PAD "rc-imon-pad" #define RC_MAP_IODATA_BCTV7E "rc-iodata-bctv7e" @@ -125,14 +125,16 @@ void rc_map_init(void); #define RC_MAP_PROTEUS_2309 "rc-proteus-2309" #define RC_MAP_PURPLETV "rc-purpletv" #define RC_MAP_PV951 "rc-pv951" -#define RC_MAP_RC5_HAUPPAUGE_NEW "rc-rc5-hauppauge-new" +#define RC_MAP_HAUPPAUGE "rc-hauppauge" #define RC_MAP_RC5_TV "rc-rc5-tv" #define RC_MAP_RC6_MCE "rc-rc6-mce" #define RC_MAP_REAL_AUDIO_220_32_KEYS "rc-real-audio-220-32-keys" #define RC_MAP_STREAMZAP "rc-streamzap" #define RC_MAP_TBS_NEC "rc-tbs-nec" +#define RC_MAP_TECHNISAT_USB2 "rc-technisat-usb2" #define RC_MAP_TERRATEC_CINERGY_XS "rc-terratec-cinergy-xs" #define RC_MAP_TERRATEC_SLIM "rc-terratec-slim" +#define RC_MAP_TERRATEC_SLIM_2 "rc-terratec-slim-2" #define RC_MAP_TEVII_NEC "rc-tevii-nec" #define RC_MAP_TOTAL_MEDIA_IN_HAND "rc-total-media-in-hand" #define RC_MAP_TREKSTOR "rc-trekstor" diff --git a/include/media/s3c_fimc.h b/include/media/s5p_fimc.h index ca1b6738e4a4..9fdff8a4ed26 100644 --- a/include/media/s3c_fimc.h +++ b/include/media/s5p_fimc.h @@ -9,8 +9,8 @@ * published by the Free Software Foundation. */ -#ifndef S3C_FIMC_H_ -#define S3C_FIMC_H_ +#ifndef S5P_FIMC_H_ +#define S5P_FIMC_H_ enum cam_bus_type { FIMC_ITU_601 = 1, @@ -27,34 +27,35 @@ enum cam_bus_type { struct i2c_board_info; /** - * struct s3c_fimc_isp_info - image sensor information required for host + * struct s5p_fimc_isp_info - image sensor information required for host * interace configuration. * * @board_info: pointer to I2C subdevice's board info + * @clk_frequency: frequency of the clock the host interface provides to sensor * @bus_type: determines bus type, MIPI, ITU-R BT.601 etc. + * @csi_data_align: MIPI-CSI interface data alignment in bits * @i2c_bus_num: i2c control bus id the sensor is attached to * @mux_id: FIMC camera interface multiplexer index (separate for MIPI and ITU) - * @bus_width: camera data bus width in bits * @flags: flags defining bus signals polarity inversion (High by default) */ -struct s3c_fimc_isp_info { +struct s5p_fimc_isp_info { struct i2c_board_info *board_info; + unsigned long clk_frequency; enum cam_bus_type bus_type; + u16 csi_data_align; u16 i2c_bus_num; u16 mux_id; - u16 bus_width; u16 flags; }; - -#define FIMC_MAX_CAMIF_CLIENTS 2 - /** - * struct s3c_platform_fimc - camera host interface platform data + * struct s5p_platform_fimc - camera host interface platform data * * @isp_info: properties of camera sensor required for host interface setup + * @num_clients: the number of attached image sensors */ -struct s3c_platform_fimc { - struct s3c_fimc_isp_info *isp_info[FIMC_MAX_CAMIF_CLIENTS]; +struct s5p_platform_fimc { + struct s5p_fimc_isp_info *isp_info; + int num_clients; }; -#endif /* S3C_FIMC_H_ */ +#endif /* S5P_FIMC_H_ */ diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h index 9386db829fb7..f80b5372baf3 100644 --- a/include/media/soc_camera.h +++ b/include/media/soc_camera.h @@ -17,6 +17,7 @@ #include <linux/pm.h> #include <linux/videodev2.h> #include <media/videobuf-core.h> +#include <media/videobuf2-core.h> #include <media/v4l2-device.h> extern struct bus_type soc_camera_bus_type; @@ -29,6 +30,8 @@ struct soc_camera_device { struct device *pdev; /* Platform device */ 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 */ @@ -44,7 +47,10 @@ struct soc_camera_device { int use_count; struct mutex video_lock; /* Protects device data */ struct file *streamer; /* stream owner */ - struct videobuf_queue vb_vidq; + union { + struct videobuf_queue vb_vidq; + struct vb2_queue vb2_vidq; + }; }; struct soc_camera_host { @@ -78,6 +84,8 @@ struct soc_camera_host_ops { int (*try_fmt)(struct soc_camera_device *, struct v4l2_format *); void (*init_videobuf)(struct videobuf_queue *, struct soc_camera_device *); + int (*init_videobuf2)(struct vb2_queue *, + struct soc_camera_device *); int (*reqbufs)(struct soc_camera_device *, struct v4l2_requestbuffers *); int (*querycap)(struct soc_camera_host *, struct v4l2_capability *); int (*set_bus_param)(struct soc_camera_device *, __u32); @@ -85,6 +93,7 @@ struct soc_camera_host_ops { int (*set_ctrl)(struct soc_camera_device *, struct v4l2_control *); int (*get_parm)(struct soc_camera_device *, struct v4l2_streamparm *); int (*set_parm)(struct soc_camera_device *, struct v4l2_streamparm *); + int (*enum_fsizes)(struct soc_camera_device *, struct v4l2_frmsizeenum *); unsigned int (*poll)(struct file *, poll_table *); const struct v4l2_queryctrl *controls; int num_controls; @@ -299,4 +308,17 @@ static inline struct video_device *soc_camera_i2c_to_vdev(struct i2c_client *cli return icd->vdev; } +static inline struct soc_camera_device *soc_camera_from_vb2q(struct vb2_queue *vq) +{ + return container_of(vq, struct soc_camera_device, vb2_vidq); +} + +static inline struct soc_camera_device *soc_camera_from_vbq(struct videobuf_queue *vq) +{ + return container_of(vq, struct soc_camera_device, vb_vidq); +} + +void soc_camera_lock(struct vb2_queue *vq); +void soc_camera_unlock(struct vb2_queue *vq); + #endif diff --git a/include/media/soc_mediabus.h b/include/media/soc_mediabus.h index 037cd7be001e..b338108ec305 100644 --- a/include/media/soc_mediabus.h +++ b/include/media/soc_mediabus.h @@ -12,8 +12,7 @@ #define SOC_MEDIABUS_H #include <linux/videodev2.h> - -#include <media/v4l2-mediabus.h> +#include <linux/v4l2-mediabus.h> /** * enum soc_mbus_packing - data packing types on the media-bus @@ -61,5 +60,6 @@ struct soc_mbus_pixelfmt { const struct soc_mbus_pixelfmt *soc_mbus_get_fmtdesc( enum v4l2_mbus_pixelcode code); s32 soc_mbus_bytes_per_line(u32 width, const struct soc_mbus_pixelfmt *mf); +int soc_mbus_samples_per_pixel(const struct soc_mbus_pixelfmt *mf); #endif diff --git a/include/media/tuner.h b/include/media/tuner.h index 51811eac46f1..963e33471835 100644 --- a/include/media/tuner.h +++ b/include/media/tuner.h @@ -21,6 +21,7 @@ #ifndef _TUNER_H #define _TUNER_H +#ifdef __KERNEL__ #include <linux/videodev2.h> @@ -131,6 +132,7 @@ #define TUNER_NXP_TDA18271 83 #define TUNER_SONY_BTF_PXN01Z 84 #define TUNER_PHILIPS_FQ1236_MK5 85 /* NTSC, TDA9885, no FM radio */ +#define TUNER_TENA_TNF_5337 86 /* tv card specific */ #define TDA9887_PRESENT (1<<0) @@ -156,14 +158,10 @@ #define TDA9887_GAIN_NORMAL (1<<20) #define TDA9887_RIF_41_3 (1<<21) /* radio IF1 41.3 vs 33.3 */ -#ifdef __KERNEL__ - enum tuner_mode { - T_UNINITIALIZED = 0, T_RADIO = 1 << V4L2_TUNER_RADIO, T_ANALOG_TV = 1 << V4L2_TUNER_ANALOG_TV, - T_DIGITAL_TV = 1 << V4L2_TUNER_DIGITAL_TV, - T_STANDBY = 1 << 31 + /* Don't need to map V4L2_TUNER_DIGITAL_TV, as tuner-core won't use it */ }; /* Older boards only had a single tuner device. Nowadays multiple tuner @@ -193,11 +191,3 @@ struct tuner_setup { #endif /* __KERNEL__ */ #endif /* _TUNER_H */ - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * --------------------------------------------------------------------------- - * Local variables: - * c-basic-offset: 8 - * End: - */ diff --git a/include/media/v4l2-chip-ident.h b/include/media/v4l2-chip-ident.h index 44fe44ec9ea7..b3edb67a8311 100644 --- a/include/media/v4l2-chip-ident.h +++ b/include/media/v4l2-chip-ident.h @@ -75,6 +75,7 @@ enum { V4L2_IDENT_OV9640 = 257, V4L2_IDENT_OV6650 = 258, V4L2_IDENT_OV2640 = 259, + V4L2_IDENT_OV9740 = 260, /* module saa7146: reserved range 300-309 */ V4L2_IDENT_SAA7146 = 300, @@ -209,6 +210,9 @@ enum { /* module sn9c20x: just ident 10000 */ V4L2_IDENT_SN9C20X = 10000, + /* Siliconfile sensors: reserved range 10100 - 10199 */ + V4L2_IDENT_NOON010PC30 = 10100, + /* module cx231xx and cx25840 */ V4L2_IDENT_CX2310X_AV = 23099, /* Integrated A/V decoder; not in '100 */ V4L2_IDENT_CX23100 = 23100, diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h index a659319e8582..a298ec49ddc4 100644 --- a/include/media/v4l2-common.h +++ b/include/media/v4l2-common.h @@ -80,21 +80,6 @@ /* ------------------------------------------------------------------------- */ -/* Priority helper functions */ - -struct v4l2_prio_state { - atomic_t prios[4]; -}; -void v4l2_prio_init(struct v4l2_prio_state *global); -int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local, - enum v4l2_priority new); -void v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local); -void v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority local); -enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global); -int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority local); - -/* ------------------------------------------------------------------------- */ - /* Control helper functions */ int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl *qctrl, diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h index 15802a067a12..8266d5ade2ff 100644 --- a/include/media/v4l2-dev.h +++ b/include/media/v4l2-dev.h @@ -16,12 +16,15 @@ #include <linux/mutex.h> #include <linux/videodev2.h> +#include <media/media-entity.h> + #define VIDEO_MAJOR 81 #define VFL_TYPE_GRABBER 0 #define VFL_TYPE_VBI 1 #define VFL_TYPE_RADIO 2 -#define VFL_TYPE_MAX 3 +#define VFL_TYPE_SUBDEV 3 +#define VFL_TYPE_MAX 4 struct v4l2_ioctl_callbacks; struct video_device; @@ -32,7 +35,25 @@ struct v4l2_ctrl_handler; Drivers can clear this flag if they want to block all future device access. It is cleared by video_unregister_device. */ #define V4L2_FL_REGISTERED (0) +/* file->private_data points to struct v4l2_fh */ #define V4L2_FL_USES_V4L2_FH (1) +/* Use the prio field of v4l2_fh for core priority checking */ +#define V4L2_FL_USE_FH_PRIO (2) + +/* Priority helper functions */ + +struct v4l2_prio_state { + atomic_t prios[4]; +}; + +void v4l2_prio_init(struct v4l2_prio_state *global); +int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local, + enum v4l2_priority new); +void v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local); +void v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority local); +enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global); +int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority local); + struct v4l2_file_operations { struct module *owner; @@ -54,6 +75,9 @@ struct v4l2_file_operations { struct video_device { +#if defined(CONFIG_MEDIA_CONTROLLER) + struct media_entity entity; +#endif /* device ops */ const struct v4l2_file_operations *fops; @@ -68,6 +92,9 @@ struct video_device /* Control handler associated with this device node. May be NULL. */ struct v4l2_ctrl_handler *ctrl_handler; + /* Priority state. If NULL, then v4l2_dev->prio will be used. */ + struct v4l2_prio_state *prio; + /* device info */ char name[32]; int vfl_type; @@ -99,18 +126,31 @@ struct video_device struct mutex *lock; }; +#define media_entity_to_video_device(entity) \ + container_of(entity, struct video_device, entity) /* dev to video-device */ #define to_video_device(cd) container_of(cd, struct video_device, dev) +int __must_check __video_register_device(struct video_device *vdev, int type, + int nr, int warn_if_nr_in_use, struct module *owner); + /* Register video devices. Note that if video_register_device fails, the release() callback of the video_device structure is *not* called, so the caller is responsible for freeing any data. Usually that means that you call video_device_release() on failure. */ -int __must_check video_register_device(struct video_device *vdev, int type, int nr); +static inline int __must_check video_register_device(struct video_device *vdev, + int type, int nr) +{ + return __video_register_device(vdev, type, nr, 1, vdev->fops->owner); +} /* Same as video_register_device, but no warning is issued if the desired device node number was already in use. */ -int __must_check video_register_device_no_warn(struct video_device *vdev, int type, int nr); +static inline int __must_check video_register_device_no_warn( + struct video_device *vdev, int type, int nr) +{ + return __video_register_device(vdev, type, nr, 0, vdev->fops->owner); +} /* Unregister video devices. Will do nothing if vdev == NULL or video_is_registered() returns false. */ diff --git a/include/media/v4l2-device.h b/include/media/v4l2-device.h index b16f307d471a..bd102cf509ac 100644 --- a/include/media/v4l2-device.h +++ b/include/media/v4l2-device.h @@ -21,7 +21,9 @@ #ifndef _V4L2_DEVICE_H #define _V4L2_DEVICE_H +#include <media/media-device.h> #include <media/v4l2-subdev.h> +#include <media/v4l2-dev.h> /* Each instance of a V4L2 device should create the v4l2_device struct, either stand-alone or embedded in a larger struct. @@ -39,6 +41,9 @@ struct v4l2_device { Note: dev might be NULL if there is no parent device as is the case with e.g. ISA devices. */ struct device *dev; +#if defined(CONFIG_MEDIA_CONTROLLER) + struct media_device *mdev; +#endif /* used to keep track of the registered subdevs */ struct list_head subdevs; /* lock this struct; can be used by the driver as well if this @@ -51,10 +56,23 @@ struct v4l2_device { unsigned int notification, void *arg); /* The control handler. May be NULL. */ struct v4l2_ctrl_handler *ctrl_handler; + /* Device's priority state */ + struct v4l2_prio_state prio; /* BKL replacement mutex. Temporary solution only. */ struct mutex ioctl_lock; + /* Keep track of the references to this struct. */ + struct kref ref; + /* Release function that is called when the ref count goes to 0. */ + void (*release)(struct v4l2_device *v4l2_dev); }; +static inline void v4l2_device_get(struct v4l2_device *v4l2_dev) +{ + kref_get(&v4l2_dev->ref); +} + +int v4l2_device_put(struct v4l2_device *v4l2_dev); + /* Initialize v4l2_dev and make dev->driver_data point to v4l2_dev. dev may be NULL in rare cases (ISA devices). In that case you must fill in the v4l2_dev->name field before calling this function. */ @@ -96,6 +114,12 @@ int __must_check v4l2_device_register_subdev(struct v4l2_device *v4l2_dev, wasn't registered. In that case it will do nothing. */ void v4l2_device_unregister_subdev(struct v4l2_subdev *sd); +/* Register device nodes for all subdev of the v4l2 device that are marked with + * the V4L2_SUBDEV_FL_HAS_DEVNODE flag. + */ +int __must_check +v4l2_device_register_subdev_nodes(struct v4l2_device *v4l2_dev); + /* Iterate over all subdevs. */ #define v4l2_device_for_each_subdev(sd, v4l2_dev) \ list_for_each_entry(sd, &(v4l2_dev)->subdevs, list) diff --git a/include/media/v4l2-fh.h b/include/media/v4l2-fh.h index 1d72dde320bf..0206aa55be24 100644 --- a/include/media/v4l2-fh.h +++ b/include/media/v4l2-fh.h @@ -35,6 +35,7 @@ struct v4l2_fh { struct list_head list; struct video_device *vdev; struct v4l2_events *events; /* events, pending and subscribed */ + enum v4l2_priority prio; }; /* @@ -50,8 +51,16 @@ int v4l2_fh_init(struct v4l2_fh *fh, struct video_device *vdev); */ void v4l2_fh_add(struct v4l2_fh *fh); /* + * Can be used as the open() op of v4l2_file_operations. + * It allocates a v4l2_fh and inits and adds it to the video_device associated + * with the file pointer. + */ +int v4l2_fh_open(struct file *filp); +/* * Remove file handle from the list of file handles. Must be called in * v4l2_file_operations->release() handler if the driver uses v4l2_fh. + * On error filp->private_data will be NULL, otherwise it will point to + * the v4l2_fh struct. */ void v4l2_fh_del(struct v4l2_fh *fh); /* @@ -61,5 +70,25 @@ void v4l2_fh_del(struct v4l2_fh *fh); * driver uses v4l2_fh. */ void v4l2_fh_exit(struct v4l2_fh *fh); +/* + * Can be used as the release() op of v4l2_file_operations. + * It deletes and exits the v4l2_fh associated with the file pointer and + * frees it. It will do nothing if filp->private_data (the pointer to the + * v4l2_fh struct) is NULL. This function always returns 0. + */ +int v4l2_fh_release(struct file *filp); +/* + * Returns 1 if this filehandle is the only filehandle opened for the + * associated video_device. If fh is NULL, then it returns 0. + */ +int v4l2_fh_is_singular(struct v4l2_fh *fh); +/* + * Helper function with struct file as argument. If filp->private_data is + * NULL, then it will return 0. + */ +static inline int v4l2_fh_is_singular_file(struct file *filp) +{ + return v4l2_fh_is_singular(filp->private_data); +} #endif /* V4L2_EVENT_H */ diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h index 67df37542c68..dd9f1e7b8ff7 100644 --- a/include/media/v4l2-ioctl.h +++ b/include/media/v4l2-ioctl.h @@ -37,6 +37,10 @@ struct v4l2_ioctl_ops { struct v4l2_fmtdesc *f); int (*vidioc_enum_fmt_vid_out) (struct file *file, void *fh, struct v4l2_fmtdesc *f); + int (*vidioc_enum_fmt_vid_cap_mplane)(struct file *file, void *fh, + struct v4l2_fmtdesc *f); + int (*vidioc_enum_fmt_vid_out_mplane)(struct file *file, void *fh, + struct v4l2_fmtdesc *f); int (*vidioc_enum_fmt_type_private)(struct file *file, void *fh, struct v4l2_fmtdesc *f); @@ -57,6 +61,10 @@ struct v4l2_ioctl_ops { struct v4l2_format *f); int (*vidioc_g_fmt_sliced_vbi_out)(struct file *file, void *fh, struct v4l2_format *f); + int (*vidioc_g_fmt_vid_cap_mplane)(struct file *file, void *fh, + struct v4l2_format *f); + int (*vidioc_g_fmt_vid_out_mplane)(struct file *file, void *fh, + struct v4l2_format *f); int (*vidioc_g_fmt_type_private)(struct file *file, void *fh, struct v4l2_format *f); @@ -77,6 +85,10 @@ struct v4l2_ioctl_ops { struct v4l2_format *f); int (*vidioc_s_fmt_sliced_vbi_out)(struct file *file, void *fh, struct v4l2_format *f); + int (*vidioc_s_fmt_vid_cap_mplane)(struct file *file, void *fh, + struct v4l2_format *f); + int (*vidioc_s_fmt_vid_out_mplane)(struct file *file, void *fh, + struct v4l2_format *f); int (*vidioc_s_fmt_type_private)(struct file *file, void *fh, struct v4l2_format *f); @@ -97,6 +109,10 @@ struct v4l2_ioctl_ops { struct v4l2_format *f); int (*vidioc_try_fmt_sliced_vbi_out)(struct file *file, void *fh, struct v4l2_format *f); + int (*vidioc_try_fmt_vid_cap_mplane)(struct file *file, void *fh, + struct v4l2_format *f); + int (*vidioc_try_fmt_vid_out_mplane)(struct file *file, void *fh, + struct v4l2_format *f); int (*vidioc_try_fmt_type_private)(struct file *file, void *fh, struct v4l2_format *f); @@ -254,7 +270,7 @@ struct v4l2_ioctl_ops { /* For other private ioctls */ long (*vidioc_default) (struct file *file, void *fh, - int cmd, void *arg); + bool valid_prio, int cmd, void *arg); }; diff --git a/include/media/v4l2-mediabus.h b/include/media/v4l2-mediabus.h index 8e6559838ae3..971c7fa29614 100644 --- a/include/media/v4l2-mediabus.h +++ b/include/media/v4l2-mediabus.h @@ -11,66 +11,7 @@ #ifndef V4L2_MEDIABUS_H #define V4L2_MEDIABUS_H -/* - * These pixel codes uniquely identify data formats on the media bus. Mostly - * they correspond to similarly named V4L2_PIX_FMT_* formats, format 0 is - * reserved, V4L2_MBUS_FMT_FIXED shall be used by host-client pairs, where the - * data format is fixed. Additionally, "2X8" means that one pixel is transferred - * in two 8-bit samples, "BE" or "LE" specify in which order those samples are - * transferred over the bus: "LE" means that the least significant bits are - * transferred first, "BE" means that the most significant bits are transferred - * first, and "PADHI" and "PADLO" define which bits - low or high, in the - * incomplete high byte, are filled with padding bits. - */ -enum v4l2_mbus_pixelcode { - V4L2_MBUS_FMT_FIXED = 1, - V4L2_MBUS_FMT_YUYV8_2X8, - V4L2_MBUS_FMT_YVYU8_2X8, - V4L2_MBUS_FMT_UYVY8_2X8, - V4L2_MBUS_FMT_VYUY8_2X8, - V4L2_MBUS_FMT_YVYU10_2X10, - V4L2_MBUS_FMT_YUYV10_2X10, - V4L2_MBUS_FMT_YVYU10_1X20, - V4L2_MBUS_FMT_YUYV10_1X20, - V4L2_MBUS_FMT_RGB444_2X8_PADHI_LE, - V4L2_MBUS_FMT_RGB444_2X8_PADHI_BE, - V4L2_MBUS_FMT_RGB555_2X8_PADHI_LE, - V4L2_MBUS_FMT_RGB555_2X8_PADHI_BE, - V4L2_MBUS_FMT_RGB565_2X8_LE, - V4L2_MBUS_FMT_RGB565_2X8_BE, - V4L2_MBUS_FMT_BGR565_2X8_LE, - V4L2_MBUS_FMT_BGR565_2X8_BE, - V4L2_MBUS_FMT_SBGGR8_1X8, - V4L2_MBUS_FMT_SBGGR10_1X10, - V4L2_MBUS_FMT_GREY8_1X8, - V4L2_MBUS_FMT_Y10_1X10, - V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_LE, - V4L2_MBUS_FMT_SBGGR10_2X8_PADLO_LE, - V4L2_MBUS_FMT_SBGGR10_2X8_PADHI_BE, - V4L2_MBUS_FMT_SBGGR10_2X8_PADLO_BE, - V4L2_MBUS_FMT_SGRBG8_1X8, - V4L2_MBUS_FMT_SBGGR12_1X12, - V4L2_MBUS_FMT_YUYV8_1_5X8, - V4L2_MBUS_FMT_YVYU8_1_5X8, - V4L2_MBUS_FMT_UYVY8_1_5X8, - V4L2_MBUS_FMT_VYUY8_1_5X8, -}; - -/** - * struct v4l2_mbus_framefmt - frame format on the media bus - * @width: frame width - * @height: frame height - * @code: data format code - * @field: used interlacing type - * @colorspace: colorspace of the data - */ -struct v4l2_mbus_framefmt { - __u32 width; - __u32 height; - enum v4l2_mbus_pixelcode code; - enum v4l2_field field; - enum v4l2_colorspace colorspace; -}; +#include <linux/v4l2-mediabus.h> static inline void v4l2_fill_pix_format(struct v4l2_pix_format *pix_fmt, const struct v4l2_mbus_framefmt *mbus_fmt) diff --git a/include/media/v4l2-mem2mem.h b/include/media/v4l2-mem2mem.h index 8d149f1c58d0..16ac4733e80d 100644 --- a/include/media/v4l2-mem2mem.h +++ b/include/media/v4l2-mem2mem.h @@ -5,7 +5,7 @@ * and destination. * * Copyright (c) 2009 Samsung Electronics Co., Ltd. - * Pawel Osciak, <p.osciak@samsung.com> + * Pawel Osciak, <pawel@osciak.com> * Marek Szyprowski, <m.szyprowski@samsung.com> * * This program is free software; you can redistribute it and/or modify @@ -17,7 +17,7 @@ #ifndef _MEDIA_V4L2_MEM2MEM_H #define _MEDIA_V4L2_MEM2MEM_H -#include <media/videobuf-core.h> +#include <media/videobuf2-core.h> /** * struct v4l2_m2m_ops - mem-to-mem device driver callbacks @@ -45,17 +45,20 @@ struct v4l2_m2m_ops { void (*device_run)(void *priv); int (*job_ready)(void *priv); void (*job_abort)(void *priv); + void (*lock)(void *priv); + void (*unlock)(void *priv); }; struct v4l2_m2m_dev; struct v4l2_m2m_queue_ctx { /* private: internal use only */ - struct videobuf_queue q; + struct vb2_queue q; /* Queue for buffers ready to be processed as soon as this * instance receives access to the device */ struct list_head rdy_queue; + spinlock_t rdy_spinlock; u8 num_rdy; }; @@ -72,19 +75,31 @@ struct v4l2_m2m_ctx { /* For device job queue */ struct list_head queue; unsigned long job_flags; + wait_queue_head_t finished; /* Instance private data */ void *priv; }; +struct v4l2_m2m_buffer { + struct vb2_buffer vb; + struct list_head list; +}; + void *v4l2_m2m_get_curr_priv(struct v4l2_m2m_dev *m2m_dev); -struct videobuf_queue *v4l2_m2m_get_vq(struct v4l2_m2m_ctx *m2m_ctx, +struct vb2_queue *v4l2_m2m_get_vq(struct v4l2_m2m_ctx *m2m_ctx, enum v4l2_buf_type type); void v4l2_m2m_job_finish(struct v4l2_m2m_dev *m2m_dev, struct v4l2_m2m_ctx *m2m_ctx); +static inline void +v4l2_m2m_buf_done(struct vb2_buffer *buf, enum vb2_buffer_state state) +{ + vb2_buffer_done(buf, state); +} + int v4l2_m2m_reqbufs(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, struct v4l2_requestbuffers *reqbufs); @@ -110,13 +125,13 @@ int v4l2_m2m_mmap(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, struct v4l2_m2m_dev *v4l2_m2m_init(struct v4l2_m2m_ops *m2m_ops); void v4l2_m2m_release(struct v4l2_m2m_dev *m2m_dev); -struct v4l2_m2m_ctx *v4l2_m2m_ctx_init(void *priv, struct v4l2_m2m_dev *m2m_dev, - void (*vq_init)(void *priv, struct videobuf_queue *, - enum v4l2_buf_type)); +struct v4l2_m2m_ctx *v4l2_m2m_ctx_init(struct v4l2_m2m_dev *m2m_dev, + void *drv_priv, + int (*queue_init)(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq)); + void v4l2_m2m_ctx_release(struct v4l2_m2m_ctx *m2m_ctx); -void v4l2_m2m_buf_queue(struct v4l2_m2m_ctx *m2m_ctx, struct videobuf_queue *vq, - struct videobuf_buffer *vb); +void v4l2_m2m_buf_queue(struct v4l2_m2m_ctx *m2m_ctx, struct vb2_buffer *vb); /** * v4l2_m2m_num_src_bufs_ready() - return the number of source buffers ready for @@ -138,7 +153,7 @@ unsigned int v4l2_m2m_num_dst_bufs_ready(struct v4l2_m2m_ctx *m2m_ctx) return m2m_ctx->out_q_ctx.num_rdy; } -void *v4l2_m2m_next_buf(struct v4l2_m2m_ctx *m2m_ctx, enum v4l2_buf_type type); +void *v4l2_m2m_next_buf(struct v4l2_m2m_queue_ctx *q_ctx); /** * v4l2_m2m_next_src_buf() - return next source buffer from the list of ready @@ -146,7 +161,7 @@ void *v4l2_m2m_next_buf(struct v4l2_m2m_ctx *m2m_ctx, enum v4l2_buf_type type); */ static inline void *v4l2_m2m_next_src_buf(struct v4l2_m2m_ctx *m2m_ctx) { - return v4l2_m2m_next_buf(m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); + return v4l2_m2m_next_buf(&m2m_ctx->out_q_ctx); } /** @@ -155,29 +170,28 @@ static inline void *v4l2_m2m_next_src_buf(struct v4l2_m2m_ctx *m2m_ctx) */ static inline void *v4l2_m2m_next_dst_buf(struct v4l2_m2m_ctx *m2m_ctx) { - return v4l2_m2m_next_buf(m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); + return v4l2_m2m_next_buf(&m2m_ctx->cap_q_ctx); } /** - * v4l2_m2m_get_src_vq() - return videobuf_queue for source buffers + * v4l2_m2m_get_src_vq() - return vb2_queue for source buffers */ static inline -struct videobuf_queue *v4l2_m2m_get_src_vq(struct v4l2_m2m_ctx *m2m_ctx) +struct vb2_queue *v4l2_m2m_get_src_vq(struct v4l2_m2m_ctx *m2m_ctx) { - return v4l2_m2m_get_vq(m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); + return &m2m_ctx->out_q_ctx.q; } /** - * v4l2_m2m_get_dst_vq() - return videobuf_queue for destination buffers + * v4l2_m2m_get_dst_vq() - return vb2_queue for destination buffers */ static inline -struct videobuf_queue *v4l2_m2m_get_dst_vq(struct v4l2_m2m_ctx *m2m_ctx) +struct vb2_queue *v4l2_m2m_get_dst_vq(struct v4l2_m2m_ctx *m2m_ctx) { - return v4l2_m2m_get_vq(m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); + return &m2m_ctx->cap_q_ctx.q; } -void *v4l2_m2m_buf_remove(struct v4l2_m2m_ctx *m2m_ctx, - enum v4l2_buf_type type); +void *v4l2_m2m_buf_remove(struct v4l2_m2m_queue_ctx *q_ctx); /** * v4l2_m2m_src_buf_remove() - take off a source buffer from the list of ready @@ -185,7 +199,7 @@ void *v4l2_m2m_buf_remove(struct v4l2_m2m_ctx *m2m_ctx, */ static inline void *v4l2_m2m_src_buf_remove(struct v4l2_m2m_ctx *m2m_ctx) { - return v4l2_m2m_buf_remove(m2m_ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT); + return v4l2_m2m_buf_remove(&m2m_ctx->out_q_ctx); } /** @@ -194,7 +208,7 @@ static inline void *v4l2_m2m_src_buf_remove(struct v4l2_m2m_ctx *m2m_ctx) */ static inline void *v4l2_m2m_dst_buf_remove(struct v4l2_m2m_ctx *m2m_ctx) { - return v4l2_m2m_buf_remove(m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); + return v4l2_m2m_buf_remove(&m2m_ctx->cap_q_ctx); } #endif /* _MEDIA_V4L2_MEM2MEM_H */ diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index daf1e57d9b26..1562c4ff3a65 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -21,7 +21,11 @@ #ifndef _V4L2_SUBDEV_H #define _V4L2_SUBDEV_H +#include <linux/v4l2-subdev.h> +#include <media/media-entity.h> #include <media/v4l2-common.h> +#include <media/v4l2-dev.h> +#include <media/v4l2-fh.h> #include <media/v4l2-mediabus.h> /* generic v4l2_device notify callback notification values */ @@ -36,7 +40,10 @@ struct v4l2_device; struct v4l2_ctrl_handler; +struct v4l2_event_subscription; +struct v4l2_fh; struct v4l2_subdev; +struct v4l2_subdev_fh; struct tuner_setup; /* decode_vbi_line */ @@ -160,6 +167,10 @@ struct v4l2_subdev_core_ops { int (*s_power)(struct v4l2_subdev *sd, int on); int (*interrupt_service_routine)(struct v4l2_subdev *sd, u32 status, bool *handled); + int (*subscribe_event)(struct v4l2_subdev *sd, struct v4l2_fh *fh, + struct v4l2_event_subscription *sub); + int (*unsubscribe_event)(struct v4l2_subdev *sd, struct v4l2_fh *fh, + struct v4l2_event_subscription *sub); }; /* s_mode: switch the tuner to a specific tuner mode. Replacement of s_radio. @@ -257,6 +268,10 @@ struct v4l2_subdev_video_ops { int (*s_crop)(struct v4l2_subdev *sd, struct v4l2_crop *crop); int (*g_parm)(struct v4l2_subdev *sd, struct v4l2_streamparm *param); int (*s_parm)(struct v4l2_subdev *sd, struct v4l2_streamparm *param); + int (*g_frame_interval)(struct v4l2_subdev *sd, + struct v4l2_subdev_frame_interval *interval); + int (*s_frame_interval)(struct v4l2_subdev *sd, + struct v4l2_subdev_frame_interval *interval); int (*enum_framesizes)(struct v4l2_subdev *sd, struct v4l2_frmsizeenum *fsize); int (*enum_frameintervals)(struct v4l2_subdev *sd, struct v4l2_frmivalenum *fival); int (*enum_dv_presets) (struct v4l2_subdev *sd, @@ -271,6 +286,8 @@ struct v4l2_subdev_video_ops { struct v4l2_dv_timings *timings); int (*enum_mbus_fmt)(struct v4l2_subdev *sd, unsigned int index, enum v4l2_mbus_pixelcode *code); + int (*enum_mbus_fsizes)(struct v4l2_subdev *sd, + struct v4l2_frmsizeenum *fsize); int (*g_mbus_fmt)(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *fmt); int (*try_mbus_fmt)(struct v4l2_subdev *sd, @@ -324,9 +341,13 @@ struct v4l2_subdev_vbi_ops { * This is needed for some sensors, which always corrupt * several top lines of the output image, or which send their * metadata in them. + * @g_skip_frames: number of frames to skip at stream start. This is needed for + * buggy sensors that generate faulty frames when they are + * turned on. */ struct v4l2_subdev_sensor_ops { int (*g_skip_top_lines)(struct v4l2_subdev *sd, u32 *lines); + int (*g_skip_frames)(struct v4l2_subdev *sd, u32 *frames); }; /* @@ -401,6 +422,25 @@ struct v4l2_subdev_ir_ops { struct v4l2_subdev_ir_parameters *params); }; +struct v4l2_subdev_pad_ops { + int (*enum_mbus_code)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, + struct v4l2_subdev_mbus_code_enum *code); + int (*enum_frame_size)(struct v4l2_subdev *sd, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_frame_size_enum *fse); + int (*enum_frame_interval)(struct v4l2_subdev *sd, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_frame_interval_enum *fie); + int (*get_fmt)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, + struct v4l2_subdev_format *format); + int (*set_fmt)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, + struct v4l2_subdev_format *format); + int (*set_crop)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, + struct v4l2_subdev_crop *crop); + int (*get_crop)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, + struct v4l2_subdev_crop *crop); +}; + struct v4l2_subdev_ops { const struct v4l2_subdev_core_ops *core; const struct v4l2_subdev_tuner_ops *tuner; @@ -409,6 +449,7 @@ struct v4l2_subdev_ops { const struct v4l2_subdev_vbi_ops *vbi; const struct v4l2_subdev_ir_ops *ir; const struct v4l2_subdev_sensor_ops *sensor; + const struct v4l2_subdev_pad_ops *pad; }; /* @@ -420,23 +461,36 @@ struct v4l2_subdev_ops { * * unregistered: called when this subdev is unregistered. When called the * v4l2_dev field is still set to the correct v4l2_device. + * + * open: called when the subdev device node is opened by an application. + * + * close: called when the subdev device node is closed. */ struct v4l2_subdev_internal_ops { int (*registered)(struct v4l2_subdev *sd); void (*unregistered)(struct v4l2_subdev *sd); + int (*open)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh); + int (*close)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh); }; #define V4L2_SUBDEV_NAME_SIZE 32 /* Set this flag if this subdev is a i2c device. */ -#define V4L2_SUBDEV_FL_IS_I2C (1U << 0) +#define V4L2_SUBDEV_FL_IS_I2C (1U << 0) /* Set this flag if this subdev is a spi device. */ -#define V4L2_SUBDEV_FL_IS_SPI (1U << 1) +#define V4L2_SUBDEV_FL_IS_SPI (1U << 1) +/* Set this flag if this subdev needs a device node. */ +#define V4L2_SUBDEV_FL_HAS_DEVNODE (1U << 2) +/* Set this flag if this subdev generates events. */ +#define V4L2_SUBDEV_FL_HAS_EVENTS (1U << 3) /* Each instance of a subdev driver should create this struct, either stand-alone or embedded in a larger struct. */ struct v4l2_subdev { +#if defined(CONFIG_MEDIA_CONTROLLER) + struct media_entity entity; +#endif struct list_head list; struct module *owner; u32 flags; @@ -453,8 +507,47 @@ struct v4l2_subdev { /* pointer to private data */ void *dev_priv; void *host_priv; + /* subdev device node */ + struct video_device devnode; + /* number of events to be allocated on open */ + unsigned int nevents; +}; + +#define media_entity_to_v4l2_subdev(ent) \ + container_of(ent, struct v4l2_subdev, entity) +#define vdev_to_v4l2_subdev(vdev) \ + container_of(vdev, struct v4l2_subdev, devnode) + +/* + * Used for storing subdev information per file handle + */ +struct v4l2_subdev_fh { + struct v4l2_fh vfh; +#if defined(CONFIG_VIDEO_V4L2_SUBDEV_API) + struct v4l2_mbus_framefmt *try_fmt; + struct v4l2_rect *try_crop; +#endif }; +#define to_v4l2_subdev_fh(fh) \ + container_of(fh, struct v4l2_subdev_fh, vfh) + +#if defined(CONFIG_VIDEO_V4L2_SUBDEV_API) +static inline struct v4l2_mbus_framefmt * +v4l2_subdev_get_try_format(struct v4l2_subdev_fh *fh, unsigned int pad) +{ + return &fh->try_fmt[pad]; +} + +static inline struct v4l2_rect * +v4l2_subdev_get_try_crop(struct v4l2_subdev_fh *fh, unsigned int pad) +{ + return &fh->try_crop[pad]; +} +#endif + +extern const struct v4l2_file_operations v4l2_subdev_fops; + static inline void v4l2_set_subdevdata(struct v4l2_subdev *sd, void *p) { sd->dev_priv = p; @@ -475,20 +568,8 @@ static inline void *v4l2_get_subdev_hostdata(const struct v4l2_subdev *sd) return sd->host_priv; } -static inline void v4l2_subdev_init(struct v4l2_subdev *sd, - const struct v4l2_subdev_ops *ops) -{ - INIT_LIST_HEAD(&sd->list); - /* ops->core MUST be set */ - BUG_ON(!ops || !ops->core); - sd->ops = ops; - sd->v4l2_dev = NULL; - sd->flags = 0; - sd->name[0] = '\0'; - sd->grp_id = 0; - sd->dev_priv = NULL; - sd->host_priv = NULL; -} +void v4l2_subdev_init(struct v4l2_subdev *sd, + const struct v4l2_subdev_ops *ops); /* Call an ops of a v4l2_subdev, doing the right checks against NULL pointers. diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h new file mode 100644 index 000000000000..f87472acbc51 --- /dev/null +++ b/include/media/videobuf2-core.h @@ -0,0 +1,380 @@ +/* + * videobuf2-core.h - V4L2 driver helper framework + * + * Copyright (C) 2010 Samsung Electronics + * + * Author: Pawel Osciak <pawel@osciak.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation. + */ +#ifndef _MEDIA_VIDEOBUF2_CORE_H +#define _MEDIA_VIDEOBUF2_CORE_H + +#include <linux/mm_types.h> +#include <linux/mutex.h> +#include <linux/poll.h> +#include <linux/videodev2.h> + +struct vb2_alloc_ctx; +struct vb2_fileio_data; + +/** + * struct vb2_mem_ops - memory handling/memory allocator operations + * @alloc: allocate video memory and, optionally, allocator private data, + * return NULL on failure or a pointer to allocator private, + * per-buffer data on success; the returned private structure + * will then be passed as buf_priv argument to other ops in this + * structure + * @put: inform the allocator that the buffer will no longer be used; + * usually will result in the allocator freeing the buffer (if + * no other users of this buffer are present); the buf_priv + * argument is the allocator private per-buffer structure + * previously returned from the alloc callback + * @get_userptr: acquire userspace memory for a hardware operation; used for + * USERPTR memory types; vaddr is the address passed to the + * videobuf layer when queuing a video buffer of USERPTR type; + * should return an allocator private per-buffer structure + * associated with the buffer on success, NULL on failure; + * the returned private structure will then be passed as buf_priv + * argument to other ops in this structure + * @put_userptr: inform the allocator that a USERPTR buffer will no longer + * be used + * @vaddr: return a kernel virtual address to a given memory buffer + * associated with the passed private structure or NULL if no + * such mapping exists + * @cookie: return allocator specific cookie for a given memory buffer + * associated with the passed private structure or NULL if not + * available + * @num_users: return the current number of users of a memory buffer; + * return 1 if the videobuf layer (or actually the driver using + * it) is the only user + * @mmap: setup a userspace mapping for a given memory buffer under + * the provided virtual memory region + * + * Required ops for USERPTR types: get_userptr, put_userptr. + * Required ops for MMAP types: alloc, put, num_users, mmap. + * Required ops for read/write access types: alloc, put, num_users, vaddr + */ +struct vb2_mem_ops { + void *(*alloc)(void *alloc_ctx, unsigned long size); + void (*put)(void *buf_priv); + + void *(*get_userptr)(void *alloc_ctx, unsigned long vaddr, + unsigned long size, int write); + void (*put_userptr)(void *buf_priv); + + void *(*vaddr)(void *buf_priv); + void *(*cookie)(void *buf_priv); + + unsigned int (*num_users)(void *buf_priv); + + int (*mmap)(void *buf_priv, struct vm_area_struct *vma); +}; + +struct vb2_plane { + void *mem_priv; + int mapped:1; +}; + +/** + * enum vb2_io_modes - queue access methods + * @VB2_MMAP: driver supports MMAP with streaming API + * @VB2_USERPTR: driver supports USERPTR with streaming API + * @VB2_READ: driver supports read() style access + * @VB2_WRITE: driver supports write() style access + */ +enum vb2_io_modes { + VB2_MMAP = (1 << 0), + VB2_USERPTR = (1 << 1), + VB2_READ = (1 << 2), + VB2_WRITE = (1 << 3), +}; + +/** + * enum vb2_fileio_flags - flags for selecting a mode of the file io emulator, + * by default the 'streaming' style is used by the file io emulator + * @VB2_FILEIO_READ_ONCE: report EOF after reading the first buffer + * @VB2_FILEIO_WRITE_IMMEDIATELY: queue buffer after each write() call + */ +enum vb2_fileio_flags { + VB2_FILEIO_READ_ONCE = (1 << 0), + VB2_FILEIO_WRITE_IMMEDIATELY = (1 << 1), +}; + +/** + * enum vb2_buffer_state - current video buffer state + * @VB2_BUF_STATE_DEQUEUED: buffer under userspace control + * @VB2_BUF_STATE_QUEUED: buffer queued in videobuf, but not in driver + * @VB2_BUF_STATE_ACTIVE: buffer queued in driver and possibly used + * in a hardware operation + * @VB2_BUF_STATE_DONE: buffer returned from driver to videobuf, but + * not yet dequeued to userspace + * @VB2_BUF_STATE_ERROR: same as above, but the operation on the buffer + * has ended with an error, which will be reported + * to the userspace when it is dequeued + */ +enum vb2_buffer_state { + VB2_BUF_STATE_DEQUEUED, + VB2_BUF_STATE_QUEUED, + VB2_BUF_STATE_ACTIVE, + VB2_BUF_STATE_DONE, + VB2_BUF_STATE_ERROR, +}; + +struct vb2_queue; + +/** + * struct vb2_buffer - represents a video buffer + * @v4l2_buf: struct v4l2_buffer associated with this buffer; can + * be read by the driver and relevant entries can be + * changed by the driver in case of CAPTURE types + * (such as timestamp) + * @v4l2_planes: struct v4l2_planes associated with this buffer; can + * be read by the driver and relevant entries can be + * changed by the driver in case of CAPTURE types + * (such as bytesused); NOTE that even for single-planar + * types, the v4l2_planes[0] struct should be used + * instead of v4l2_buf for filling bytesused - drivers + * should use the vb2_set_plane_payload() function for that + * @vb2_queue: the queue to which this driver belongs + * @num_planes: number of planes in the buffer + * on an internal driver queue + * @state: current buffer state; do not change + * @queued_entry: entry on the queued buffers list, which holds all + * buffers queued from userspace + * @done_entry: entry on the list that stores all buffers ready to + * be dequeued to userspace + * @planes: private per-plane information; do not change + * @num_planes_mapped: number of mapped planes; do not change + */ +struct vb2_buffer { + struct v4l2_buffer v4l2_buf; + struct v4l2_plane v4l2_planes[VIDEO_MAX_PLANES]; + + struct vb2_queue *vb2_queue; + + unsigned int num_planes; + +/* Private: internal use only */ + enum vb2_buffer_state state; + + struct list_head queued_entry; + struct list_head done_entry; + + struct vb2_plane planes[VIDEO_MAX_PLANES]; + unsigned int num_planes_mapped; +}; + +/** + * struct vb2_ops - driver-specific callbacks + * + * @queue_setup: called from a VIDIOC_REQBUFS handler, before + * memory allocation; driver should return the required + * number of buffers in num_buffers, the required number + * of planes per buffer in num_planes; the size of each + * plane should be set in the sizes[] array and optional + * per-plane allocator specific context in alloc_ctxs[] + * array + * @wait_prepare: release any locks taken while calling vb2 functions; + * it is called before an ioctl needs to wait for a new + * buffer to arrive; required to avoid a deadlock in + * blocking access type + * @wait_finish: reacquire all locks released in the previous callback; + * required to continue operation after sleeping while + * waiting for a new buffer to arrive + * @buf_init: called once after allocating a buffer (in MMAP case) + * or after acquiring a new USERPTR buffer; drivers may + * perform additional buffer-related initialization; + * initialization failure (return != 0) will prevent + * queue setup from completing successfully; optional + * @buf_prepare: called every time the buffer is queued from userspace; + * drivers may perform any initialization required before + * each hardware operation in this callback; + * if an error is returned, the buffer will not be queued + * in driver; optional + * @buf_finish: called before every dequeue of the buffer back to + * userspace; drivers may perform any operations required + * before userspace accesses the buffer; optional + * @buf_cleanup: called once before the buffer is freed; drivers may + * perform any additional cleanup; optional + * @start_streaming: called once before entering 'streaming' state; enables + * driver to receive buffers over buf_queue() callback + * @stop_streaming: called when 'streaming' state must be disabled; driver + * should stop any DMA transactions or wait until they + * finish and give back all buffers it got from buf_queue() + * callback; may use vb2_wait_for_all_buffers() function + * @buf_queue: passes buffer vb to the driver; driver may start + * hardware operation on this buffer; driver should give + * the buffer back by calling vb2_buffer_done() function + */ +struct vb2_ops { + int (*queue_setup)(struct vb2_queue *q, unsigned int *num_buffers, + unsigned int *num_planes, unsigned long sizes[], + void *alloc_ctxs[]); + + void (*wait_prepare)(struct vb2_queue *q); + void (*wait_finish)(struct vb2_queue *q); + + int (*buf_init)(struct vb2_buffer *vb); + int (*buf_prepare)(struct vb2_buffer *vb); + int (*buf_finish)(struct vb2_buffer *vb); + void (*buf_cleanup)(struct vb2_buffer *vb); + + int (*start_streaming)(struct vb2_queue *q); + int (*stop_streaming)(struct vb2_queue *q); + + void (*buf_queue)(struct vb2_buffer *vb); +}; + +/** + * struct vb2_queue - a videobuf queue + * + * @type: queue type (see V4L2_BUF_TYPE_* in linux/videodev2.h + * @io_modes: supported io methods (see vb2_io_modes enum) + * @io_flags: additional io flags (see vb2_fileio_flags enum) + * @ops: driver-specific callbacks + * @mem_ops: memory allocator specific callbacks + * @drv_priv: driver private data + * @buf_struct_size: size of the driver-specific buffer structure; + * "0" indicates the driver doesn't want to use a custom buffer + * structure type, so sizeof(struct vb2_buffer) will is used + * + * @memory: current memory type used + * @bufs: videobuf buffer structures + * @num_buffers: number of allocated/used buffers + * @queued_list: list of buffers currently queued from userspace + * @queued_count: number of buffers owned by the driver + * @done_list: list of buffers ready to be dequeued to userspace + * @done_lock: lock to protect done_list list + * @done_wq: waitqueue for processes waiting for buffers ready to be dequeued + * @alloc_ctx: memory type/allocator-specific contexts for each plane + * @streaming: current streaming state + * @fileio: file io emulator internal data, used only if emulator is active + */ +struct vb2_queue { + enum v4l2_buf_type type; + unsigned int io_modes; + unsigned int io_flags; + + const struct vb2_ops *ops; + const struct vb2_mem_ops *mem_ops; + void *drv_priv; + unsigned int buf_struct_size; + +/* private: internal use only */ + enum v4l2_memory memory; + struct vb2_buffer *bufs[VIDEO_MAX_FRAME]; + unsigned int num_buffers; + + struct list_head queued_list; + + atomic_t queued_count; + struct list_head done_list; + spinlock_t done_lock; + wait_queue_head_t done_wq; + + void *alloc_ctx[VIDEO_MAX_PLANES]; + + unsigned int streaming:1; + + struct vb2_fileio_data *fileio; +}; + +void *vb2_plane_vaddr(struct vb2_buffer *vb, unsigned int plane_no); +void *vb2_plane_cookie(struct vb2_buffer *vb, unsigned int plane_no); + +void vb2_buffer_done(struct vb2_buffer *vb, enum vb2_buffer_state state); +int vb2_wait_for_all_buffers(struct vb2_queue *q); + +int vb2_querybuf(struct vb2_queue *q, struct v4l2_buffer *b); +int vb2_reqbufs(struct vb2_queue *q, struct v4l2_requestbuffers *req); + +int vb2_queue_init(struct vb2_queue *q); + +void vb2_queue_release(struct vb2_queue *q); + +int vb2_qbuf(struct vb2_queue *q, struct v4l2_buffer *b); +int vb2_dqbuf(struct vb2_queue *q, struct v4l2_buffer *b, bool nonblocking); + +int vb2_streamon(struct vb2_queue *q, enum v4l2_buf_type type); +int vb2_streamoff(struct vb2_queue *q, enum v4l2_buf_type type); + +int vb2_mmap(struct vb2_queue *q, struct vm_area_struct *vma); +unsigned int vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait); +size_t vb2_read(struct vb2_queue *q, char __user *data, size_t count, + loff_t *ppos, int nonblock); +size_t vb2_write(struct vb2_queue *q, char __user *data, size_t count, + loff_t *ppos, int nonblock); + +/** + * vb2_is_streaming() - return streaming status of the queue + * @q: videobuf queue + */ +static inline bool vb2_is_streaming(struct vb2_queue *q) +{ + return q->streaming; +} + +/** + * vb2_is_busy() - return busy status of the queue + * @q: videobuf queue + * + * This function checks if queue has any buffers allocated. + */ +static inline bool vb2_is_busy(struct vb2_queue *q) +{ + return (q->num_buffers > 0); +} + +/** + * vb2_get_drv_priv() - return driver private data associated with the queue + * @q: videobuf queue + */ +static inline void *vb2_get_drv_priv(struct vb2_queue *q) +{ + return q->drv_priv; +} + +/** + * vb2_set_plane_payload() - set bytesused for the plane plane_no + * @vb: buffer for which plane payload should be set + * @plane_no: plane number for which payload should be set + * @size: payload in bytes + */ +static inline void vb2_set_plane_payload(struct vb2_buffer *vb, + unsigned int plane_no, unsigned long size) +{ + if (plane_no < vb->num_planes) + vb->v4l2_planes[plane_no].bytesused = size; +} + +/** + * vb2_get_plane_payload() - get bytesused for the plane plane_no + * @vb: buffer for which plane payload should be set + * @plane_no: plane number for which payload should be set + * @size: payload in bytes + */ +static inline unsigned long vb2_get_plane_payload(struct vb2_buffer *vb, + unsigned int plane_no) +{ + if (plane_no < vb->num_planes) + return vb->v4l2_planes[plane_no].bytesused; + return 0; +} + +/** + * vb2_plane_size() - return plane size in bytes + * @vb: buffer for which plane size should be returned + * @plane_no: plane number for which size should be returned + */ +static inline unsigned long +vb2_plane_size(struct vb2_buffer *vb, unsigned int plane_no) +{ + if (plane_no < vb->num_planes) + return vb->v4l2_planes[plane_no].length; + return 0; +} + +#endif /* _MEDIA_VIDEOBUF2_CORE_H */ diff --git a/include/media/videobuf2-dma-contig.h b/include/media/videobuf2-dma-contig.h new file mode 100644 index 000000000000..7e6c68b23773 --- /dev/null +++ b/include/media/videobuf2-dma-contig.h @@ -0,0 +1,32 @@ +/* + * videobuf2-dma-coherent.h - DMA coherent memory allocator for videobuf2 + * + * Copyright (C) 2010 Samsung Electronics + * + * Author: Pawel Osciak <pawel@osciak.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation. + */ + +#ifndef _MEDIA_VIDEOBUF2_DMA_COHERENT_H +#define _MEDIA_VIDEOBUF2_DMA_COHERENT_H + +#include <media/videobuf2-core.h> +#include <linux/dma-mapping.h> + +static inline dma_addr_t +vb2_dma_contig_plane_paddr(struct vb2_buffer *vb, unsigned int plane_no) +{ + dma_addr_t *paddr = vb2_plane_cookie(vb, plane_no); + + return *paddr; +} + +void *vb2_dma_contig_init_ctx(struct device *dev); +void vb2_dma_contig_cleanup_ctx(void *alloc_ctx); + +extern const struct vb2_mem_ops vb2_dma_contig_memops; + +#endif diff --git a/include/media/videobuf2-dma-sg.h b/include/media/videobuf2-dma-sg.h new file mode 100644 index 000000000000..0038526b8ef7 --- /dev/null +++ b/include/media/videobuf2-dma-sg.h @@ -0,0 +1,32 @@ +/* + * videobuf2-dma-sg.h - DMA scatter/gather memory allocator for videobuf2 + * + * Copyright (C) 2010 Samsung Electronics + * + * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation. + */ + +#ifndef _MEDIA_VIDEOBUF2_DMA_SG_H +#define _MEDIA_VIDEOBUF2_DMA_SG_H + +#include <media/videobuf2-core.h> + +struct vb2_dma_sg_desc { + unsigned long size; + unsigned int num_pages; + struct scatterlist *sglist; +}; + +static inline struct vb2_dma_sg_desc *vb2_dma_sg_plane_desc( + struct vb2_buffer *vb, unsigned int plane_no) +{ + return (struct vb2_dma_sg_desc *)vb2_plane_cookie(vb, plane_no); +} + +extern const struct vb2_mem_ops vb2_dma_sg_memops; + +#endif diff --git a/include/media/videobuf2-memops.h b/include/media/videobuf2-memops.h new file mode 100644 index 000000000000..84e1f6c031c5 --- /dev/null +++ b/include/media/videobuf2-memops.h @@ -0,0 +1,45 @@ +/* + * videobuf2-memops.h - generic memory handling routines for videobuf2 + * + * Copyright (C) 2010 Samsung Electronics + * + * Author: Pawel Osciak <pawel@osciak.com> + * Marek Szyprowski <m.szyprowski@samsung.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation. + */ + +#ifndef _MEDIA_VIDEOBUF2_MEMOPS_H +#define _MEDIA_VIDEOBUF2_MEMOPS_H + +#include <media/videobuf2-core.h> + +/** + * vb2_vmarea_handler - common vma refcount tracking handler + * @refcount: pointer to refcount entry in the buffer + * @put: callback to function that decreases buffer refcount + * @arg: argument for @put callback + */ +struct vb2_vmarea_handler { + atomic_t *refcount; + void (*put)(void *arg); + void *arg; +}; + +extern const struct vm_operations_struct vb2_common_vm_ops; + +int vb2_get_contig_userptr(unsigned long vaddr, unsigned long size, + struct vm_area_struct **res_vma, dma_addr_t *res_pa); + +int vb2_mmap_pfn_range(struct vm_area_struct *vma, unsigned long paddr, + unsigned long size, + const struct vm_operations_struct *vm_ops, + void *priv); + +struct vm_area_struct *vb2_get_vma(struct vm_area_struct *vma); +void vb2_put_vma(struct vm_area_struct *vma); + + +#endif diff --git a/include/media/videobuf2-vmalloc.h b/include/media/videobuf2-vmalloc.h new file mode 100644 index 000000000000..93a76b43038d --- /dev/null +++ b/include/media/videobuf2-vmalloc.h @@ -0,0 +1,20 @@ +/* + * videobuf2-vmalloc.h - vmalloc memory allocator for videobuf2 + * + * Copyright (C) 2010 Samsung Electronics + * + * Author: Pawel Osciak <pawel@osciak.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation. + */ + +#ifndef _MEDIA_VIDEOBUF2_VMALLOC_H +#define _MEDIA_VIDEOBUF2_VMALLOC_H + +#include <media/videobuf2-core.h> + +extern const struct vb2_mem_ops vb2_vmalloc_memops; + +#endif diff --git a/include/media/wm8775.h b/include/media/wm8775.h index 60739c5a23ae..d0e801a9935c 100644 --- a/include/media/wm8775.h +++ b/include/media/wm8775.h @@ -32,4 +32,13 @@ #define WM8775_AIN3 4 #define WM8775_AIN4 8 + +struct wm8775_platform_data { + /* + * FIXME: Instead, we should parametrize the params + * that need different settings between ivtv, pvrusb2, and Nova-S + */ + bool is_nova_s; +}; + #endif |