9 files changed, 166 insertions, 105 deletions

diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 225560c1a10f..4b752d5ee80e 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -653,6 +653,10 @@ struct v4l2_buffer {
 #define V4L2_BUF_FLAG_ERROR     0x0040
 #define V4L2_BUF_FLAG_TIMECODE  0x0100  /* timecode field is valid */
 #define V4L2_BUF_FLAG_INPUT     0x0200  /* input field is valid */
+#define V4L2_BUF_FLAG_PREPARED  0x0400  /* Buffer is prepared for queuing */
+/* Cache handling flags */
+#define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE       0x0800
+#define V4L2_BUF_FLAG_NO_CACHE_CLEAN            0x1000
 
 /*
  *      O V E R L A Y   P R E V I E W
@@ -1165,6 +1169,7 @@ enum v4l2_power_line_frequency {
         V4L2_CID_POWER_LINE_FREQUENCY_DISABLED  = 0,
         V4L2_CID_POWER_LINE_FREQUENCY_50HZ      = 1,
         V4L2_CID_POWER_LINE_FREQUENCY_60HZ      = 2,
+        V4L2_CID_POWER_LINE_FREQUENCY_AUTO      = 3,
 };
 #define V4L2_CID_HUE_AUTO                       (V4L2_CID_BASE+25)
 #define V4L2_CID_WHITE_BALANCE_TEMPERATURE      (V4L2_CID_BASE+26)
@@ -2138,6 +2143,23 @@ struct v4l2_dbg_chip_ident {
         __u32 revision;    /* chip revision, chip specific */
 } __attribute__ ((packed));
 
+/**
+ * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
+ * @index:      on return, index of the first created buffer
+ * @count:      entry: number of requested buffers,
+ *              return: number of created buffers
+ * @memory:     buffer memory type
+ * @format:     frame format, for which buffers are requested
+ * @reserved:   future extensions
+ */
+struct v4l2_create_buffers {
+        __u32                   index;
+        __u32                   count;
+        enum v4l2_memory        memory;
+        struct v4l2_format      format;
+        __u32                   reserved[8];
+};
+
 /*
  *      I O C T L   C O D E S   F O R   V I D E O   D E V I C E S
  *
@@ -2228,6 +2250,11 @@ struct v4l2_dbg_chip_ident {
 #define VIDIOC_SUBSCRIBE_EVENT   _IOW('V', 90, struct v4l2_event_subscription)
 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
 
+/* Experimental, the below two ioctls may change over the next couple of kernel
+   versions */
+#define VIDIOC_CREATE_BUFS      _IOWR('V', 92, struct v4l2_create_buffers)
+#define VIDIOC_PREPARE_BUF      _IOWR('V', 93, struct v4l2_buffer)
+
 /* Reminder: when adding new ioctls please add support for them to
    drivers/media/video/v4l2-compat-ioctl32.c as well! */
 
diff --git a/include/media/ov772x.h b/include/media/ov772x.h
index 548bf1155c83..00dbb7c4feae 100644
--- a/include/media/ov772x.h
+++ b/include/media/ov772x.h
@@ -12,12 +12,9 @@
 #ifndef __OV772X_H__
 #define __OV772X_H__
 
-#include <media/soc_camera.h>
-
 /* for flags */
 #define OV772X_FLAG_VFLIP       (1 << 0) /* Vertical flip image */
 #define OV772X_FLAG_HFLIP       (1 << 1) /* Horizontal flip image */
-#define OV772X_FLAG_8BIT        (1 << 2) /* default 10 bit */
 
 /*
  * for Edge ctrl
@@ -32,22 +29,23 @@ struct ov772x_edge_ctrl {
         unsigned char lower;
 };
 
-#define OV772X_MANUAL_EDGE_CTRL 0x80 /* un-used bit of strength */
-#define EDGE_STRENGTH_MASK      0x1F
-#define EDGE_THRESHOLD_MASK     0x0F
-#define EDGE_UPPER_MASK         0xFF
-#define EDGE_LOWER_MASK         0xFF
+#define OV772X_MANUAL_EDGE_CTRL         0x80 /* un-used bit of strength */
+#define OV772X_EDGE_STRENGTH_MASK       0x1F
+#define OV772X_EDGE_THRESHOLD_MASK      0x0F
+#define OV772X_EDGE_UPPER_MASK          0xFF
+#define OV772X_EDGE_LOWER_MASK          0xFF
 
 #define OV772X_AUTO_EDGECTRL(u, l)      \
 {                                       \
-        .upper = (u & EDGE_UPPER_MASK), \
-        .lower = (l & EDGE_LOWER_MASK), \
+        .upper = (u & OV772X_EDGE_UPPER_MASK),  \
+        .lower = (l & OV772X_EDGE_LOWER_MASK),  \
 }
 
-#define OV772X_MANUAL_EDGECTRL(s, t)                                    \
-{                                                                       \
-        .strength  = (s & EDGE_STRENGTH_MASK) | OV772X_MANUAL_EDGE_CTRL,\
-        .threshold = (t & EDGE_THRESHOLD_MASK),                         \
+#define OV772X_MANUAL_EDGECTRL(s, t)                    \
+{                                                       \
+        .strength  = (s & OV772X_EDGE_STRENGTH_MASK) |  \
+                        OV772X_MANUAL_EDGE_CTRL,        \
+        .threshold = (t & OV772X_EDGE_THRESHOLD_MASK),  \
 }
 
 /*
diff --git a/include/media/s5k6aa.h b/include/media/s5k6aa.h
new file mode 100644
index 000000000000..ba34f7055e55
--- /dev/null
+++ b/include/media/s5k6aa.h
@@ -0,0 +1,51 @@
+/*
+ * S5K6AAFX camera sensor driver header
+ *
+ * Copyright (C) 2011 Samsung Electronics Co., Ltd.
+ *
+ * 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 S5K6AA_H
+#define S5K6AA_H
+
+#include <media/v4l2-mediabus.h>
+
+/**
+ * struct s5k6aa_gpio - data structure describing a GPIO
+ * @gpio:  GPIO number
+ * @level: indicates active state of the @gpio
+ */
+struct s5k6aa_gpio {
+        int gpio;
+        int level;
+};
+
+/**
+ * struct s5k6aa_platform_data - s5k6aa driver platform data
+ * @set_power:   an additional callback to the board code, called
+ *               after enabling the regulators and before switching
+ *               the sensor off
+ * @mclk_frequency: sensor's master clock frequency in Hz
+ * @gpio_reset:  GPIO driving RESET pin
+ * @gpio_stby:   GPIO driving STBY pin
+ * @nlanes:      maximum number of MIPI-CSI lanes used
+ * @horiz_flip:  default horizontal image flip value, non zero to enable
+ * @vert_flip:   default vertical image flip value, non zero to enable
+ */
+
+struct s5k6aa_platform_data {
+        int (*set_power)(int enable);
+        unsigned long mclk_frequency;
+        struct s5k6aa_gpio gpio_reset;
+        struct s5k6aa_gpio gpio_stby;
+        enum v4l2_mbus_type bus_type;
+        u8 nlanes;
+        u8 horiz_flip;
+        u8 vert_flip;
+};
+
+#endif /* S5K6AA_H */
diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h
index 7582952dceae..b1377b931eb7 100644
--- a/include/media/soc_camera.h
+++ b/include/media/soc_camera.h
@@ -12,12 +12,14 @@
 #ifndef SOC_CAMERA_H
 #define SOC_CAMERA_H
 
+#include <linux/bitops.h>
 #include <linux/device.h>
 #include <linux/mutex.h>
 #include <linux/pm.h>
 #include <linux/videodev2.h>
 #include <media/videobuf-core.h>
 #include <media/videobuf2-core.h>
+#include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
 
 struct file;
@@ -37,8 +39,8 @@ struct soc_camera_device {
         unsigned char iface;            /* Host number */
         unsigned char devnum;           /* Device number per host */
         struct soc_camera_sense *sense; /* See comment in struct definition */
-        struct soc_camera_ops *ops;
         struct video_device *vdev;
+        struct v4l2_ctrl_handler ctrl_handler;
         const struct soc_camera_format_xlate *current_fmt;
         struct soc_camera_format_xlate *user_formats;
         int num_user_formats;
@@ -93,14 +95,10 @@ struct soc_camera_host_ops {
         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);
-        int (*get_ctrl)(struct soc_camera_device *, struct v4l2_control *);
-        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;
 };
 
 #define SOCAM_SENSOR_INVERT_PCLK        (1 << 0)
@@ -193,13 +191,6 @@ struct soc_camera_format_xlate {
         const struct soc_mbus_pixelfmt *host_fmt;
 };
 
-struct soc_camera_ops {
-        unsigned long (*query_bus_param)(struct soc_camera_device *);
-        int (*set_bus_param)(struct soc_camera_device *, unsigned long);
-        const struct v4l2_queryctrl *controls;
-        int num_controls;
-};
-
 #define SOCAM_SENSE_PCLK_CHANGED        (1 << 0)
 
 /**
@@ -226,65 +217,18 @@ struct soc_camera_sense {
         unsigned long pixel_clock;
 };
 
-static inline struct v4l2_queryctrl const *soc_camera_find_qctrl(
-        struct soc_camera_ops *ops, int id)
-{
-        int i;
-
-        for (i = 0; i < ops->num_controls; i++)
-                if (ops->controls[i].id == id)
-                        return &ops->controls[i];
-
-        return NULL;
-}
-
-#define SOCAM_MASTER                    (1 << 0)
-#define SOCAM_SLAVE                     (1 << 1)
-#define SOCAM_HSYNC_ACTIVE_HIGH         (1 << 2)
-#define SOCAM_HSYNC_ACTIVE_LOW          (1 << 3)
-#define SOCAM_VSYNC_ACTIVE_HIGH         (1 << 4)
-#define SOCAM_VSYNC_ACTIVE_LOW          (1 << 5)
-#define SOCAM_DATAWIDTH_4               (1 << 6)
-#define SOCAM_DATAWIDTH_8               (1 << 7)
-#define SOCAM_DATAWIDTH_9               (1 << 8)
-#define SOCAM_DATAWIDTH_10              (1 << 9)
-#define SOCAM_DATAWIDTH_15              (1 << 10)
-#define SOCAM_DATAWIDTH_16              (1 << 11)
-#define SOCAM_PCLK_SAMPLE_RISING        (1 << 12)
-#define SOCAM_PCLK_SAMPLE_FALLING       (1 << 13)
-#define SOCAM_DATA_ACTIVE_HIGH          (1 << 14)
-#define SOCAM_DATA_ACTIVE_LOW           (1 << 15)
-#define SOCAM_MIPI_1LANE                (1 << 16)
-#define SOCAM_MIPI_2LANE                (1 << 17)
-#define SOCAM_MIPI_3LANE                (1 << 18)
-#define SOCAM_MIPI_4LANE                (1 << 19)
-#define SOCAM_MIPI      (SOCAM_MIPI_1LANE | SOCAM_MIPI_2LANE | \
-                        SOCAM_MIPI_3LANE | SOCAM_MIPI_4LANE)
+#define SOCAM_DATAWIDTH(x)      BIT((x) - 1)
+#define SOCAM_DATAWIDTH_4       SOCAM_DATAWIDTH(4)
+#define SOCAM_DATAWIDTH_8       SOCAM_DATAWIDTH(8)
+#define SOCAM_DATAWIDTH_9       SOCAM_DATAWIDTH(9)
+#define SOCAM_DATAWIDTH_10      SOCAM_DATAWIDTH(10)
+#define SOCAM_DATAWIDTH_15      SOCAM_DATAWIDTH(15)
+#define SOCAM_DATAWIDTH_16      SOCAM_DATAWIDTH(16)
 
 #define SOCAM_DATAWIDTH_MASK (SOCAM_DATAWIDTH_4 | SOCAM_DATAWIDTH_8 | \
                               SOCAM_DATAWIDTH_9 | SOCAM_DATAWIDTH_10 | \
                               SOCAM_DATAWIDTH_15 | SOCAM_DATAWIDTH_16)
 
-static inline unsigned long soc_camera_bus_param_compatible(
-                        unsigned long camera_flags, unsigned long bus_flags)
-{
-        unsigned long common_flags, hsync, vsync, pclk, data, buswidth, mode;
-        unsigned long mipi;
-
-        common_flags = camera_flags & bus_flags;
-
-        hsync = common_flags & (SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_HSYNC_ACTIVE_LOW);
-        vsync = common_flags & (SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_LOW);
-        pclk = common_flags & (SOCAM_PCLK_SAMPLE_RISING | SOCAM_PCLK_SAMPLE_FALLING);
-        data = common_flags & (SOCAM_DATA_ACTIVE_HIGH | SOCAM_DATA_ACTIVE_LOW);
-        mode = common_flags & (SOCAM_MASTER | SOCAM_SLAVE);
-        buswidth = common_flags & SOCAM_DATAWIDTH_MASK;
-        mipi = common_flags & SOCAM_MIPI;
-
-        return ((!hsync || !vsync || !pclk || !data || !mode || !buswidth) && !mipi) ? 0 :
-                common_flags;
-}
-
 static inline void soc_camera_limit_side(int *start, int *length,
                 unsigned int start_min,
                 unsigned int length_min, unsigned int length_max)
@@ -300,23 +244,37 @@ static inline void soc_camera_limit_side(int *start, int *length,
                 *start = start_min + length_max - *length;
 }
 
-extern unsigned long soc_camera_apply_sensor_flags(struct soc_camera_link *icl,
-                                                   unsigned long flags);
+unsigned long soc_camera_apply_sensor_flags(struct soc_camera_link *icl,
+                                            unsigned long flags);
+unsigned long soc_camera_apply_board_flags(struct soc_camera_link *icl,
+                                           const struct v4l2_mbus_config *cfg);
 
 /* This is only temporary here - until v4l2-subdev begins to link to video_device */
 #include <linux/i2c.h>
-static inline struct video_device *soc_camera_i2c_to_vdev(struct i2c_client *client)
+static inline struct video_device *soc_camera_i2c_to_vdev(const struct i2c_client *client)
+{
+        struct v4l2_subdev *sd = i2c_get_clientdata(client);
+        struct soc_camera_device *icd = (struct soc_camera_device *)sd->grp_id;
+        return icd ? icd->vdev : NULL;
+}
+
+static inline struct soc_camera_link *soc_camera_i2c_to_link(const struct i2c_client *client)
+{
+        return client->dev.platform_data;
+}
+
+static inline struct v4l2_subdev *soc_camera_vdev_to_subdev(const struct video_device *vdev)
 {
-        struct soc_camera_device *icd = client->dev.platform_data;
-        return icd->vdev;
+        struct soc_camera_device *icd = dev_get_drvdata(vdev->parent);
+        return soc_camera_to_subdev(icd);
 }
 
-static inline struct soc_camera_device *soc_camera_from_vb2q(struct vb2_queue *vq)
+static inline struct soc_camera_device *soc_camera_from_vb2q(const struct vb2_queue *vq)
 {
         return container_of(vq, struct soc_camera_device, vb2_vidq);
 }
 
-static inline struct soc_camera_device *soc_camera_from_vbq(struct videobuf_queue *vq)
+static inline struct soc_camera_device *soc_camera_from_vbq(const struct videobuf_queue *vq)
 {
         return container_of(vq, struct soc_camera_device, vb_vidq);
 }
diff --git a/include/media/soc_camera_platform.h b/include/media/soc_camera_platform.h
index 74f0fa15ca47..8aa4200a0b1d 100644
--- a/include/media/soc_camera_platform.h
+++ b/include/media/soc_camera_platform.h
@@ -13,6 +13,7 @@
 
 #include <linux/videodev2.h>
 #include <media/soc_camera.h>
+#include <media/v4l2-mediabus.h>
 
 struct device;
 
@@ -20,7 +21,8 @@ struct soc_camera_platform_info {
         const char *format_name;
         unsigned long format_depth;
         struct v4l2_mbus_framefmt format;
-        unsigned long bus_param;
+        unsigned long mbus_param;
+        enum v4l2_mbus_type mbus_type;
         struct soc_camera_device *icd;
         int (*set_capture)(struct soc_camera_platform_info *info, int enable);
 };
diff --git a/include/media/soc_mediabus.h b/include/media/soc_mediabus.h
index fae432544b41..73f1e7eb60f3 100644
--- a/include/media/soc_mediabus.h
+++ b/include/media/soc_mediabus.h
@@ -82,5 +82,7 @@ const struct soc_mbus_pixelfmt *soc_mbus_get_fmtdesc(
 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,
                         unsigned int *numerator, unsigned int *denominator);
+unsigned int soc_mbus_config_compatible(const struct v4l2_mbus_config *cfg,
+                                        unsigned int flags);
 
 #endif
diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
index dd9f1e7b8ff7..4d1c74ad4c84 100644
--- a/include/media/v4l2-ioctl.h
+++ b/include/media/v4l2-ioctl.h
@@ -122,6 +122,8 @@ struct v4l2_ioctl_ops {
         int (*vidioc_qbuf)    (struct file *file, void *fh, struct v4l2_buffer *b);
         int (*vidioc_dqbuf)   (struct file *file, void *fh, struct v4l2_buffer *b);
 
+        int (*vidioc_create_bufs)(struct file *file, void *fh, struct v4l2_create_buffers *b);
+        int (*vidioc_prepare_buf)(struct file *file, void *fh, struct v4l2_buffer *b);
 
         int (*vidioc_overlay) (struct file *file, void *fh, unsigned int i);
         int (*vidioc_g_fbuf)   (struct file *file, void *fh,
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
index 257da1a30f66..f0f3358d1b1b 100644
--- a/include/media/v4l2-subdev.h
+++ b/include/media/v4l2-subdev.h
@@ -158,6 +158,7 @@ struct v4l2_subdev_core_ops {
         int (*s_ext_ctrls)(struct v4l2_subdev *sd, struct v4l2_ext_controls *ctrls);
         int (*try_ext_ctrls)(struct v4l2_subdev *sd, struct v4l2_ext_controls *ctrls);
         int (*querymenu)(struct v4l2_subdev *sd, struct v4l2_querymenu *qm);
+        int (*g_std)(struct v4l2_subdev *sd, v4l2_std_id *norm);
         int (*s_std)(struct v4l2_subdev *sd, v4l2_std_id norm);
         long (*ioctl)(struct v4l2_subdev *sd, unsigned int cmd, void *arg);
 #ifdef CONFIG_VIDEO_ADV_DEBUG
@@ -534,13 +535,13 @@ struct v4l2_subdev {
         void *dev_priv;
         void *host_priv;
         /* subdev device node */
-        struct video_device devnode;
+        struct video_device *devnode;
 };
 
 #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)
+        video_get_drvdata(vdev)
 
 /*
  * Used for storing subdev information per file handle
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index ea55c08eddfb..a15d1f1b319e 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -105,6 +105,7 @@ enum vb2_fileio_flags {
 /**
  * enum vb2_buffer_state - current video buffer state
  * @VB2_BUF_STATE_DEQUEUED:     buffer under userspace control
+ * @VB2_BUF_STATE_PREPARED:     buffer prepared in videobuf and by the driver
  * @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
@@ -116,6 +117,7 @@ enum vb2_fileio_flags {
  */
 enum vb2_buffer_state {
         VB2_BUF_STATE_DEQUEUED,
+        VB2_BUF_STATE_PREPARED,
         VB2_BUF_STATE_QUEUED,
         VB2_BUF_STATE_ACTIVE,
         VB2_BUF_STATE_DONE,
@@ -167,13 +169,21 @@ struct vb2_buffer {
 /**
  * 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
+ * @queue_setup:        called from VIDIOC_REQBUFS and VIDIOC_CREATE_BUFS
+ *                      handlers before memory allocation, or, if
+ *                      *num_planes != 0, after the allocation to verify a
+ *                      smaller number of buffers. 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 the
+ *                      alloc_ctxs[] array. When called from VIDIOC_REQBUFS,
+ *                      fmt == NULL, the driver has to use the currently
+ *                      configured format and *num_buffers is the total number
+ *                      of buffers, that are being allocated. When called from
+ *                      VIDIOC_CREATE_BUFS, fmt != NULL and it describes the
+ *                      target frame format. In this case *num_buffers are being
+ *                      allocated additionally to q->num_buffers.
  * @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
@@ -186,11 +196,11 @@ struct vb2_buffer {
  *                      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_prepare:        called every time the buffer is queued from userspace
+ *                      and from the VIDIOC_PREPARE_BUF ioctl; 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
@@ -216,9 +226,9 @@ struct vb2_buffer {
  *                      pre-queued buffers before calling STREAMON
  */
 struct vb2_ops {
-        int (*queue_setup)(struct vb2_queue *q, unsigned int *num_buffers,
-                           unsigned int *num_planes, unsigned int sizes[],
-                           void *alloc_ctxs[]);
+        int (*queue_setup)(struct vb2_queue *q, const struct v4l2_format *fmt,
+                           unsigned int *num_buffers, unsigned int *num_planes,
+                           unsigned int sizes[], void *alloc_ctxs[]);
 
         void (*wait_prepare)(struct vb2_queue *q);
         void (*wait_finish)(struct vb2_queue *q);
@@ -298,6 +308,9 @@ 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_create_bufs(struct vb2_queue *q, struct v4l2_create_buffers *create);
+int vb2_prepare_buf(struct vb2_queue *q, struct v4l2_buffer *b);
+
 int vb2_queue_init(struct vb2_queue *q);
 
 void vb2_queue_release(struct vb2_queue *q);
@@ -309,6 +322,13 @@ 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);
+#ifndef CONFIG_MMU
+unsigned long vb2_get_unmapped_area(struct vb2_queue *q,
+                                    unsigned long addr,
+                                    unsigned long len,
+                                    unsigned long pgoff,
+                                    unsigned long flags);
+#endif
 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);