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-rw-r--r--include/media/media-device.h95
-rw-r--r--include/media/media-devnode.h97
-rw-r--r--include/media/media-entity.h151
-rw-r--r--include/media/noon010pc30.h28
-rw-r--r--include/media/rc-map.h6
-rw-r--r--include/media/s5p_fimc.h (renamed from include/media/s3c_fimc.h)27
-rw-r--r--include/media/soc_camera.h24
-rw-r--r--include/media/soc_mediabus.h4
-rw-r--r--include/media/tuner.h16
-rw-r--r--include/media/v4l2-chip-ident.h4
-rw-r--r--include/media/v4l2-common.h15
-rw-r--r--include/media/v4l2-dev.h46
-rw-r--r--include/media/v4l2-device.h24
-rw-r--r--include/media/v4l2-fh.h29
-rw-r--r--include/media/v4l2-ioctl.h18
-rw-r--r--include/media/v4l2-mediabus.h61
-rw-r--r--include/media/v4l2-mem2mem.h58
-rw-r--r--include/media/v4l2-subdev.h113
-rw-r--r--include/media/videobuf2-core.h380
-rw-r--r--include/media/videobuf2-dma-contig.h32
-rw-r--r--include/media/videobuf2-dma-sg.h32
-rw-r--r--include/media/videobuf2-memops.h45
-rw-r--r--include/media/videobuf2-vmalloc.h20
-rw-r--r--include/media/wm8775.h9
24 files changed, 1186 insertions, 148 deletions
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