Merge branch 'linus' into stackprotector

Conflicts:
	arch/x86/include/asm/pda.h
	kernel/fork.c

20 files changed, 776 insertions, 56 deletions

diff --git a/include/media/i2c-addr.h b/include/media/i2c-addr.h
index e7ff44a35ca0..5d0f56054d26 100644
--- a/include/media/i2c-addr.h
+++ b/include/media/i2c-addr.h
@@ -12,8 +12,6 @@
 /* bttv address list */
 #define I2C_ADDR_TSA5522        0xc2
 #define I2C_ADDR_TDA7432        0x8a
-#define I2C_ADDR_BT832_ALT1     0x88
-#define I2C_ADDR_BT832_ALT2     0x8a // alternate setting
 #define I2C_ADDR_TDA8425        0x82
 #define I2C_ADDR_TDA9840        0x84
 #define I2C_ADDR_TDA9850        0xb6 /* also used by 9855,9873 */
diff --git a/include/media/ir-common.h b/include/media/ir-common.h
index 38f2d93c3957..5bf2ea00678c 100644
--- a/include/media/ir-common.h
+++ b/include/media/ir-common.h
@@ -157,6 +157,8 @@ extern IR_KEYTAB_TYPE ir_codes_avermedia_a16d[IR_KEYTAB_SIZE];
 extern IR_KEYTAB_TYPE ir_codes_encore_enltv_fm53[IR_KEYTAB_SIZE];
 extern IR_KEYTAB_TYPE ir_codes_real_audio_220_32_keys[IR_KEYTAB_SIZE];
 extern IR_KEYTAB_TYPE ir_codes_msi_tvanywhere_plus[IR_KEYTAB_SIZE];
+extern IR_KEYTAB_TYPE ir_codes_ati_tv_wonder_hd_600[IR_KEYTAB_SIZE];
+extern IR_KEYTAB_TYPE ir_codes_kworld_plus_tv_analog[IR_KEYTAB_SIZE];
 #endif
 
 /*
diff --git a/include/media/ov772x.h b/include/media/ov772x.h
new file mode 100644
index 000000000000..e391d55edb95
--- /dev/null
+++ b/include/media/ov772x.h
@@ -0,0 +1,21 @@
+/* ov772x Camera
+ *
+ * Copyright (C) 2008 Renesas Solutions Corp.
+ * Kuninori Morimoto <morimoto.kuninori@renesas.com>
+ *
+ * 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.
+ */
+
+#ifndef __OV772X_H__
+#define __OV772X_H__
+
+#include <media/soc_camera.h>
+
+struct ov772x_camera_info {
+        unsigned long          buswidth;
+        struct soc_camera_link link;
+};
+
+#endif /* __OV772X_H__ */
diff --git a/include/media/saa7146.h b/include/media/saa7146.h
index 64a2ec746a3e..c5a6e22a4b37 100644
--- a/include/media/saa7146.h
+++ b/include/media/saa7146.h
@@ -24,7 +24,7 @@
 
 extern unsigned int saa7146_debug;
 
-//#define DEBUG_PROLOG printk("(0x%08x)(0x%08x) %s: %s(): ",(dev==0?-1:(dev->mem==0?-1:saa7146_read(dev,RPS_ADDR0))),(dev==0?-1:(dev->mem==0?-1:saa7146_read(dev,IER))),KBUILD_MODNAME,__FUNCTION__)
+//#define DEBUG_PROLOG printk("(0x%08x)(0x%08x) %s: %s(): ",(dev==0?-1:(dev->mem==0?-1:saa7146_read(dev,RPS_ADDR0))),(dev==0?-1:(dev->mem==0?-1:saa7146_read(dev,IER))),KBUILD_MODNAME,__func__)
 
 #ifndef DEBUG_VARIABLE
         #define DEBUG_VARIABLE saa7146_debug
diff --git a/include/media/saa7146_vv.h b/include/media/saa7146_vv.h
index 1d104096619c..6bbb0d93bb5f 100644
--- a/include/media/saa7146_vv.h
+++ b/include/media/saa7146_vv.h
@@ -216,8 +216,7 @@ void saa7146_set_gpio(struct saa7146_dev *saa, u8 pin, u8 data);
 extern struct saa7146_use_ops saa7146_video_uops;
 int saa7146_start_preview(struct saa7146_fh *fh);
 int saa7146_stop_preview(struct saa7146_fh *fh);
-int saa7146_video_do_ioctl(struct inode *inode, struct file *file,
-                           unsigned int cmd, void *arg);
+int saa7146_video_do_ioctl(struct file *file, unsigned int cmd, void *arg);
 
 /* from saa7146_vbi.c */
 extern struct saa7146_use_ops saa7146_vbi_uops;
diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h
index c5de7bb19fda..425b6a98c95c 100644
--- a/include/media/soc_camera.h
+++ b/include/media/soc_camera.h
@@ -12,9 +12,10 @@
 #ifndef SOC_CAMERA_H
 #define SOC_CAMERA_H
 
+#include <linux/mutex.h>
+#include <linux/pm.h>
 #include <linux/videodev2.h>
 #include <media/videobuf-core.h>
-#include <linux/pm.h>
 
 struct soc_camera_device {
         struct list_head list;
@@ -36,14 +37,19 @@ struct soc_camera_device {
         unsigned char iface;            /* Host number */
         unsigned char devnum;           /* Device number per host */
         unsigned char buswidth;         /* See comment in .c */
+        struct soc_camera_sense *sense; /* See comment in struct definition */
         struct soc_camera_ops *ops;
         struct video_device *vdev;
         const struct soc_camera_data_format *current_fmt;
         const struct soc_camera_data_format *formats;
         int num_formats;
+        struct soc_camera_format_xlate *user_formats;
+        int num_user_formats;
         struct module *owner;
-        /* soc_camera.c private count. Only accessed with video_lock held */
+        void *host_priv;                /* Per-device host private data */
+        /* soc_camera.c private count. Only accessed with .video_lock held */
         int use_count;
+        struct mutex video_lock;        /* Protects device data */
 };
 
 struct soc_camera_file {
@@ -56,7 +62,7 @@ struct soc_camera_host {
         struct device dev;
         unsigned char nr;                               /* Host number */
         void *priv;
-        char *drv_name;
+        const char *drv_name;
         struct soc_camera_host_ops *ops;
 };
 
@@ -64,25 +70,33 @@ struct soc_camera_host_ops {
         struct module *owner;
         int (*add)(struct soc_camera_device *);
         void (*remove)(struct soc_camera_device *);
-        int (*suspend)(struct soc_camera_device *, pm_message_t state);
+        int (*suspend)(struct soc_camera_device *, pm_message_t);
         int (*resume)(struct soc_camera_device *);
-        int (*set_fmt_cap)(struct soc_camera_device *, __u32,
-                           struct v4l2_rect *);
-        int (*try_fmt_cap)(struct soc_camera_device *, struct v4l2_format *);
+        int (*get_formats)(struct soc_camera_device *, int,
+                           struct soc_camera_format_xlate *);
+        int (*set_fmt)(struct soc_camera_device *, __u32, struct v4l2_rect *);
+        int (*try_fmt)(struct soc_camera_device *, struct v4l2_format *);
         void (*init_videobuf)(struct videobuf_queue *,
                               struct soc_camera_device *);
         int (*reqbufs)(struct soc_camera_file *, struct v4l2_requestbuffers *);
         int (*querycap)(struct soc_camera_host *, struct v4l2_capability *);
-        int (*try_bus_param)(struct soc_camera_device *, __u32);
         int (*set_bus_param)(struct soc_camera_device *, __u32);
         unsigned int (*poll)(struct file *, poll_table *);
 };
 
+#define SOCAM_SENSOR_INVERT_PCLK        (1 << 0)
+#define SOCAM_SENSOR_INVERT_MCLK        (1 << 1)
+#define SOCAM_SENSOR_INVERT_HSYNC       (1 << 2)
+#define SOCAM_SENSOR_INVERT_VSYNC       (1 << 3)
+#define SOCAM_SENSOR_INVERT_DATA        (1 << 4)
+
 struct soc_camera_link {
         /* Camera bus id, used to match a camera and a bus */
         int bus_id;
         /* GPIO number to switch between 8 and 10 bit modes */
         unsigned int gpio;
+        /* Per camera SOCAM_SENSOR_* bus flags */
+        unsigned long flags;
         /* Optional callbacks to power on or off and reset the sensor */
         int (*power)(struct device *, int);
         int (*reset)(struct device *);
@@ -106,13 +120,35 @@ extern void soc_camera_device_unregister(struct soc_camera_device *icd);
 extern int soc_camera_video_start(struct soc_camera_device *icd);
 extern void soc_camera_video_stop(struct soc_camera_device *icd);
 
+extern const struct soc_camera_data_format *soc_camera_format_by_fourcc(
+        struct soc_camera_device *icd, unsigned int fourcc);
+extern const struct soc_camera_format_xlate *soc_camera_xlate_by_fourcc(
+        struct soc_camera_device *icd, unsigned int fourcc);
+
 struct soc_camera_data_format {
-        char *name;
+        const char *name;
         unsigned int depth;
         __u32 fourcc;
         enum v4l2_colorspace colorspace;
 };
 
+/**
+ * struct soc_camera_format_xlate - match between host and sensor formats
+ * @cam_fmt: sensor format provided by the sensor
+ * @host_fmt: host format after host translation from cam_fmt
+ * @buswidth: bus width for this format
+ *
+ * Host and sensor translation structure. Used in table of host and sensor
+ * formats matchings in soc_camera_device. A host can override the generic list
+ * generation by implementing get_formats(), and use it for format checks and
+ * format setup.
+ */
+struct soc_camera_format_xlate {
+        const struct soc_camera_data_format *cam_fmt;
+        const struct soc_camera_data_format *host_fmt;
+        unsigned char buswidth;
+};
+
 struct soc_camera_ops {
         struct module *owner;
         int (*probe)(struct soc_camera_device *);
@@ -123,13 +159,14 @@ struct soc_camera_ops {
         int (*release)(struct soc_camera_device *);
         int (*start_capture)(struct soc_camera_device *);
         int (*stop_capture)(struct soc_camera_device *);
-        int (*set_fmt_cap)(struct soc_camera_device *, __u32,
-                           struct v4l2_rect *);
-        int (*try_fmt_cap)(struct soc_camera_device *, struct v4l2_format *);
+        int (*set_fmt)(struct soc_camera_device *, __u32, struct v4l2_rect *);
+        int (*try_fmt)(struct soc_camera_device *, struct v4l2_format *);
         unsigned long (*query_bus_param)(struct soc_camera_device *);
         int (*set_bus_param)(struct soc_camera_device *, unsigned long);
         int (*get_chip_id)(struct soc_camera_device *,
                            struct v4l2_chip_ident *);
+        int (*set_std)(struct soc_camera_device *, v4l2_std_id *);
+        int (*enum_input)(struct soc_camera_device *, struct v4l2_input *);
 #ifdef CONFIG_VIDEO_ADV_DEBUG
         int (*get_register)(struct soc_camera_device *, struct v4l2_register *);
         int (*set_register)(struct soc_camera_device *, struct v4l2_register *);
@@ -140,6 +177,32 @@ struct soc_camera_ops {
         int num_controls;
 };
 
+#define SOCAM_SENSE_PCLK_CHANGED        (1 << 0)
+
+/**
+ * This struct can be attached to struct soc_camera_device by the host driver
+ * to request sense from the camera, for example, when calling .set_fmt(). The
+ * host then can check which flags are set and verify respective values if any.
+ * For example, if SOCAM_SENSE_PCLK_CHANGED is set, it means, pixclock has
+ * changed during this operation. After completion the host should detach sense.
+ *
+ * @flags               ored SOCAM_SENSE_* flags
+ * @master_clock        if the host wants to be informed about pixel-clock
+ *                      change, it better set master_clock.
+ * @pixel_clock_max     maximum pixel clock frequency supported by the host,
+ *                      camera is not allowed to exceed this.
+ * @pixel_clock         if the camera driver changed pixel clock during this
+ *                      operation, it sets SOCAM_SENSE_PCLK_CHANGED, uses
+ *                      master_clock to calculate the new pixel-clock and
+ *                      sets this field.
+ */
+struct soc_camera_sense {
+        unsigned long flags;
+        unsigned long master_clock;
+        unsigned long pixel_clock_max;
+        unsigned long pixel_clock;
+};
+
 static inline struct v4l2_queryctrl const *soc_camera_find_qctrl(
         struct soc_camera_ops *ops, int id)
 {
@@ -158,15 +221,20 @@ static inline struct v4l2_queryctrl const *soc_camera_find_qctrl(
 #define SOCAM_HSYNC_ACTIVE_LOW          (1 << 3)
 #define SOCAM_VSYNC_ACTIVE_HIGH         (1 << 4)
 #define SOCAM_VSYNC_ACTIVE_LOW          (1 << 5)
-#define SOCAM_DATAWIDTH_8               (1 << 6)
-#define SOCAM_DATAWIDTH_9               (1 << 7)
-#define SOCAM_DATAWIDTH_10              (1 << 8)
-#define SOCAM_DATAWIDTH_16              (1 << 9)
-#define SOCAM_PCLK_SAMPLE_RISING        (1 << 10)
-#define SOCAM_PCLK_SAMPLE_FALLING       (1 << 11)
+#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_DATAWIDTH_MASK (SOCAM_DATAWIDTH_8 | SOCAM_DATAWIDTH_9 | \
-                              SOCAM_DATAWIDTH_10 | 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)
@@ -182,4 +250,7 @@ static inline unsigned long soc_camera_bus_param_compatible(
         return (!hsync || !vsync || !pclk) ? 0 : common_flags;
 }
 
+extern unsigned long soc_camera_apply_sensor_flags(struct soc_camera_link *icl,
+                                                   unsigned long flags);
+
 #endif
diff --git a/include/media/soc_camera_platform.h b/include/media/soc_camera_platform.h
index 851f18220984..1d092b4678aa 100644
--- a/include/media/soc_camera_platform.h
+++ b/include/media/soc_camera_platform.h
@@ -1,3 +1,13 @@
+/*
+ * Generic Platform Camera Driver Header
+ *
+ * Copyright (C) 2008 Magnus Damm
+ *
+ * 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.
+ */
+
 #ifndef __SOC_CAMERA_H__
 #define __SOC_CAMERA_H__
 
@@ -9,6 +19,7 @@ struct soc_camera_platform_info {
         unsigned long format_depth;
         struct v4l2_pix_format format;
         unsigned long bus_param;
+        void (*power)(int);
         int (*set_capture)(struct soc_camera_platform_info *info, int enable);
 };
 
diff --git a/include/media/tuner.h b/include/media/tuner.h
index 67c1f514d0e2..7d4e2db78076 100644
--- a/include/media/tuner.h
+++ b/include/media/tuner.h
@@ -123,6 +123,7 @@
 #define TUNER_TEA5761                   75      /* Only FM Radio Tuner */
 #define TUNER_XC5000                    76      /* Xceive Silicon Tuner */
 #define TUNER_TCL_MF02GIP_5N            77      /* TCL MF02GIP_5N */
+#define TUNER_PHILIPS_FMD1216MEX_MK3    78
 
 /* tv card specific */
 #define TDA9887_PRESENT                 (1<<0)
diff --git a/include/media/tvp514x.h b/include/media/tvp514x.h
new file mode 100644
index 000000000000..5e7ee968c6dc
--- /dev/null
+++ b/include/media/tvp514x.h
@@ -0,0 +1,118 @@
+/*
+ * drivers/media/video/tvp514x.h
+ *
+ * Copyright (C) 2008 Texas Instruments Inc
+ * Author: Vaibhav Hiremath <hvaibhav@ti.com>
+ *
+ * Contributors:
+ *     Sivaraj R <sivaraj@ti.com>
+ *     Brijesh R Jadav <brijesh.j@ti.com>
+ *     Hardik Shah <hardik.shah@ti.com>
+ *     Manjunath Hadli <mrh@ti.com>
+ *     Karicheri Muralidharan <m-karicheri2@ti.com>
+ *
+ * This package 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef _TVP514X_H
+#define _TVP514X_H
+
+/*
+ * Other macros
+ */
+#define TVP514X_MODULE_NAME             "tvp514x"
+
+#define TVP514X_XCLK_BT656              (27000000)
+
+/* Number of pixels and number of lines per frame for different standards */
+#define NTSC_NUM_ACTIVE_PIXELS          (720)
+#define NTSC_NUM_ACTIVE_LINES           (480)
+#define PAL_NUM_ACTIVE_PIXELS           (720)
+#define PAL_NUM_ACTIVE_LINES            (576)
+
+/**
+ * enum tvp514x_input - enum for different decoder input pin
+ *              configuration.
+ */
+enum tvp514x_input {
+        /*
+         * CVBS input selection
+         */
+        INPUT_CVBS_VI1A = 0x0,
+        INPUT_CVBS_VI1B,
+        INPUT_CVBS_VI1C,
+        INPUT_CVBS_VI2A = 0x04,
+        INPUT_CVBS_VI2B,
+        INPUT_CVBS_VI2C,
+        INPUT_CVBS_VI3A = 0x08,
+        INPUT_CVBS_VI3B,
+        INPUT_CVBS_VI3C,
+        INPUT_CVBS_VI4A = 0x0C,
+        /*
+         * S-Video input selection
+         */
+        INPUT_SVIDEO_VI2A_VI1A = 0x44,
+        INPUT_SVIDEO_VI2B_VI1B,
+        INPUT_SVIDEO_VI2C_VI1C,
+        INPUT_SVIDEO_VI2A_VI3A = 0x54,
+        INPUT_SVIDEO_VI2B_VI3B,
+        INPUT_SVIDEO_VI2C_VI3C,
+        INPUT_SVIDEO_VI4A_VI1A = 0x4C,
+        INPUT_SVIDEO_VI4A_VI1B,
+        INPUT_SVIDEO_VI4A_VI1C,
+        INPUT_SVIDEO_VI4A_VI3A = 0x5C,
+        INPUT_SVIDEO_VI4A_VI3B,
+        INPUT_SVIDEO_VI4A_VI3C,
+
+        /* Need to add entries for
+         * RGB, YPbPr and SCART.
+         */
+        INPUT_INVALID
+};
+
+/**
+ * enum tvp514x_output - enum for output format
+ *                      supported.
+ *
+ */
+enum tvp514x_output {
+        OUTPUT_10BIT_422_EMBEDDED_SYNC = 0,
+        OUTPUT_20BIT_422_SEPERATE_SYNC,
+        OUTPUT_10BIT_422_SEPERATE_SYNC = 3,
+        OUTPUT_INVALID
+};
+
+/**
+ * struct tvp514x_platform_data - Platform data values and access functions.
+ * @power_set: Power state access function, zero is off, non-zero is on.
+ * @ifparm: Interface parameters access function.
+ * @priv_data_set: Device private data (pointer) access function.
+ * @clk_polarity: Clock polarity of the current interface.
+ * @ hs_polarity: HSYNC Polarity configuration for current interface.
+ * @ vs_polarity: VSYNC Polarity configuration for current interface.
+ */
+struct tvp514x_platform_data {
+        char *master;
+        int (*power_set) (enum v4l2_power on);
+        int (*ifparm) (struct v4l2_ifparm *p);
+        int (*priv_data_set) (void *);
+        /* Interface control params */
+        bool clk_polarity;
+        bool hs_polarity;
+        bool vs_polarity;
+};
+
+
+#endif                          /* ifndef _TVP514X_H */
diff --git a/include/media/tw9910.h b/include/media/tw9910.h
new file mode 100644
index 000000000000..73231e7880d8
--- /dev/null
+++ b/include/media/tw9910.h
@@ -0,0 +1,39 @@
+/*
+ * tw9910 Driver header
+ *
+ * Copyright (C) 2008 Renesas Solutions Corp.
+ * Kuninori Morimoto <morimoto.kuninori@renesas.com>
+ *
+ * Based on ov772x.h
+ *
+ * Copyright (C) Kuninori Morimoto <morimoto.kuninori@renesas.com>
+ *
+ * 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.
+ */
+
+#ifndef __TW9910_H__
+#define __TW9910_H__
+
+#include <media/soc_camera.h>
+
+enum tw9910_mpout_pin {
+        TW9910_MPO_VLOSS,
+        TW9910_MPO_HLOCK,
+        TW9910_MPO_SLOCK,
+        TW9910_MPO_VLOCK,
+        TW9910_MPO_MONO,
+        TW9910_MPO_DET50,
+        TW9910_MPO_FIELD,
+        TW9910_MPO_RTCO,
+};
+
+struct tw9910_video_info {
+        unsigned long          buswidth;
+        enum tw9910_mpout_pin  mpout;
+        struct soc_camera_link link;
+};
+
+
+#endif /* __TW9910_H__ */
diff --git a/include/media/v4l2-chip-ident.h b/include/media/v4l2-chip-ident.h
index d73a8e9028a5..43dbb659f1f5 100644
--- a/include/media/v4l2-chip-ident.h
+++ b/include/media/v4l2-chip-ident.h
@@ -60,6 +60,8 @@ enum {
 
         /* OmniVision sensors: reserved range 250-299 */
         V4L2_IDENT_OV7670 = 250,
+        V4L2_IDENT_OV7720 = 251,
+        V4L2_IDENT_OV7725 = 252,
 
         /* Conexant MPEG encoder/decoders: reserved range 410-420 */
         V4L2_IDENT_CX23415 = 415,
@@ -69,6 +71,9 @@ enum {
         /* module vp27smpx: just ident 2700 */
         V4L2_IDENT_VP27SMPX = 2700,
 
+        /* module tvp5150 */
+        V4L2_IDENT_TVP5150 = 5150,
+
         /* module cs5345: just ident 5345 */
         V4L2_IDENT_CS5345 = 5345,
 
@@ -82,6 +87,9 @@ enum {
         /* module wm8775: just ident 8775 */
         V4L2_IDENT_WM8775 = 8775,
 
+        /* module tw9910: just ident 9910 */
+        V4L2_IDENT_TW9910 = 9910,
+
         /* module cs53132a: just ident 53132 */
         V4L2_IDENT_CS53l32A = 53132,
 
@@ -166,8 +174,10 @@ enum {
         V4L2_IDENT_MT9M001C12ST         = 45000,
         V4L2_IDENT_MT9M001C12STM        = 45005,
         V4L2_IDENT_MT9M111              = 45007,
+        V4L2_IDENT_MT9M112              = 45008,
         V4L2_IDENT_MT9V022IX7ATC        = 45010, /* No way to detect "normal" I77ATx */
         V4L2_IDENT_MT9V022IX7ATM        = 45015, /* and "lead free" IA7ATx chips */
+        V4L2_IDENT_MT9T031              = 45020,
 };
 
 #endif
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
index 2f8719abf5cb..f99c866d8c37 100644
--- a/include/media/v4l2-common.h
+++ b/include/media/v4l2-common.h
@@ -57,6 +57,29 @@
 
 /* ------------------------------------------------------------------------- */
 
+/* These printk constructs can be used with v4l2_device and v4l2_subdev */
+#define v4l2_printk(level, dev, fmt, arg...) \
+        printk(level "%s: " fmt, (dev)->name , ## arg)
+
+#define v4l2_err(dev, fmt, arg...) \
+        v4l2_printk(KERN_ERR, dev, fmt , ## arg)
+
+#define v4l2_warn(dev, fmt, arg...) \
+        v4l2_printk(KERN_WARNING, dev, fmt , ## arg)
+
+#define v4l2_info(dev, fmt, arg...) \
+        v4l2_printk(KERN_INFO, dev, fmt , ## arg)
+
+/* These three macros assume that the debug level is set with a module
+   parameter called 'debug'. */
+#define v4l2_dbg(level, debug, dev, fmt, arg...)                        \
+        do {                                                            \
+                if (debug >= (level))                                   \
+                        v4l2_printk(KERN_DEBUG, dev, fmt , ## arg);     \
+        } while (0)
+
+/* ------------------------------------------------------------------------- */
+
 /* Priority helper functions */
 
 struct v4l2_prio_state {
@@ -104,11 +127,29 @@ struct i2c_driver;
 struct i2c_adapter;
 struct i2c_client;
 struct i2c_device_id;
+struct v4l2_device;
+struct v4l2_subdev;
+struct v4l2_subdev_ops;
 
 int v4l2_i2c_attach(struct i2c_adapter *adapter, int address, struct i2c_driver *driver,
                 const char *name,
                 int (*probe)(struct i2c_client *, const struct i2c_device_id *));
 
+/* Load an i2c module and return an initialized v4l2_subdev struct.
+   Only call request_module if module_name != NULL.
+   The client_type argument is the name of the chip that's on the adapter. */
+struct v4l2_subdev *v4l2_i2c_new_subdev(struct i2c_adapter *adapter,
+                const char *module_name, const char *client_type, u8 addr);
+/* Probe and load an i2c module and return an initialized v4l2_subdev struct.
+   Only call request_module if module_name != NULL.
+   The client_type argument is the name of the chip that's on the adapter. */
+struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct i2c_adapter *adapter,
+                const char *module_name, const char *client_type,
+                const unsigned short *addrs);
+/* Initialize an v4l2_subdev with data from an i2c_client struct */
+void v4l2_i2c_subdev_init(struct v4l2_subdev *sd, struct i2c_client *client,
+                const struct v4l2_subdev_ops *ops);
+
 /* ------------------------------------------------------------------------- */
 
 /* Internal ioctls */
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index a0a6b41c5e09..0a88d1d17d30 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -25,6 +25,12 @@
 #define VFL_TYPE_MAX            4
 
 struct v4l2_ioctl_callbacks;
+struct v4l2_device;
+
+/* Flag to mark the video_device struct as unregistered.
+   Drivers can set this flag if they want to block all future
+   device access. It is set by video_unregister_device. */
+#define V4L2_FL_UNREGISTERED    (0)
 
 /*
  * Newer version of video_device, handled by videodev2.c
@@ -39,15 +45,20 @@ struct video_device
 
         /* sysfs */
         struct device dev;              /* v4l device */
-        struct cdev cdev;               /* character device */
-        void (*cdev_release)(struct kobject *kobj);
+        struct cdev *cdev;              /* character device */
+
+        /* Set either parent or v4l2_dev if your driver uses v4l2_device */
         struct device *parent;          /* device parent */
+        struct v4l2_device *v4l2_dev;   /* v4l2_device parent */
 
         /* device info */
         char name[32];
         int vfl_type;
+        /* 'minor' is set to -1 if the registration failed */
         int minor;
         u16 num;
+        /* use bitops to set/clear/test flags */
+        unsigned long flags;
         /* attribute to differentiate multiple indices on one physical device */
         int index;
 
@@ -58,7 +69,7 @@ struct video_device
         v4l2_std_id current_norm;       /* Current tvnorm */
 
         /* callbacks */
-        void (*release)(struct video_device *vfd);
+        void (*release)(struct video_device *vdev);
 
         /* ioctl callbacks */
         const struct v4l2_ioctl_ops *ioctl_ops;
@@ -67,36 +78,41 @@ struct video_device
 /* dev to video-device */
 #define to_video_device(cd) container_of(cd, struct video_device, dev)
 
-/* Register and unregister devices. Note that if video_register_device fails,
+/* 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 *vfd, int type, int nr);
-int __must_check video_register_device_index(struct video_device *vfd,
+   you call video_device_release() on failure.
+
+   Also note that vdev->minor is set to -1 if the registration failed. */
+int __must_check video_register_device(struct video_device *vdev, int type, int nr);
+int __must_check video_register_device_index(struct video_device *vdev,
                                                 int type, int nr, int index);
-void video_unregister_device(struct video_device *vfd);
+
+/* Unregister video devices. Will do nothing if vdev == NULL or
+   vdev->minor < 0. */
+void video_unregister_device(struct video_device *vdev);
 
 /* helper functions to alloc/release struct video_device, the
    latter can also be used for video_device->release(). */
 struct video_device * __must_check video_device_alloc(void);
 
-/* this release function frees the vfd pointer */
-void video_device_release(struct video_device *vfd);
+/* this release function frees the vdev pointer */
+void video_device_release(struct video_device *vdev);
 
 /* this release function does nothing, use when the video_device is a
    static global struct. Note that having a static video_device is
    a dubious construction at best. */
-void video_device_release_empty(struct video_device *vfd);
+void video_device_release_empty(struct video_device *vdev);
 
 /* helper functions to access driver private data. */
-static inline void *video_get_drvdata(struct video_device *dev)
+static inline void *video_get_drvdata(struct video_device *vdev)
 {
-        return dev_get_drvdata(&dev->dev);
+        return dev_get_drvdata(&vdev->dev);
 }
 
-static inline void video_set_drvdata(struct video_device *dev, void *data)
+static inline void video_set_drvdata(struct video_device *vdev, void *data)
 {
-        dev_set_drvdata(&dev->dev, data);
+        dev_set_drvdata(&vdev->dev, data);
 }
 
 struct video_device *video_devdata(struct file *file);
@@ -108,4 +124,9 @@ static inline void *video_drvdata(struct file *file)
         return video_get_drvdata(video_devdata(file));
 }
 
+static inline int video_is_unregistered(struct video_device *vdev)
+{
+        return test_bit(V4L2_FL_UNREGISTERED, &vdev->flags);
+}
+
 #endif /* _V4L2_DEV_H */
diff --git a/include/media/v4l2-device.h b/include/media/v4l2-device.h
new file mode 100644
index 000000000000..97b283a04289
--- /dev/null
+++ b/include/media/v4l2-device.h
@@ -0,0 +1,109 @@
+/*
+    V4L2 device support header.
+
+    Copyright (C) 2008  Hans Verkuil <hverkuil@xs4all.nl>
+
+    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.
+
+    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 _V4L2_DEVICE_H
+#define _V4L2_DEVICE_H
+
+#include <media/v4l2-subdev.h>
+
+/* Each instance of a V4L2 device should create the v4l2_device struct,
+   either stand-alone or embedded in a larger struct.
+
+   It allows easy access to sub-devices (see v4l2-subdev.h) and provides
+   basic V4L2 device-level support.
+ */
+
+#define V4L2_DEVICE_NAME_SIZE (BUS_ID_SIZE + 16)
+
+struct v4l2_device {
+        /* dev->driver_data points to this struct */
+        struct device *dev;
+        /* 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
+           struct is embedded into a larger struct. */
+        spinlock_t lock;
+        /* unique device name, by default the driver name + bus ID */
+        char name[V4L2_DEVICE_NAME_SIZE];
+};
+
+/* Initialize v4l2_dev and make dev->driver_data point to v4l2_dev */
+int __must_check v4l2_device_register(struct device *dev, struct v4l2_device *v4l2_dev);
+/* Set v4l2_dev->dev->driver_data to NULL and unregister all sub-devices */
+void v4l2_device_unregister(struct v4l2_device *v4l2_dev);
+
+/* Register a subdev with a v4l2 device. While registered the subdev module
+   is marked as in-use. An error is returned if the module is no longer
+   loaded when you attempt to register it. */
+int __must_check v4l2_device_register_subdev(struct v4l2_device *dev, struct v4l2_subdev *sd);
+/* Unregister a subdev with a v4l2 device. Can also be called if the subdev
+   wasn't registered. In that case it will do nothing. */
+void v4l2_device_unregister_subdev(struct v4l2_subdev *sd);
+
+/* Iterate over all subdevs. */
+#define v4l2_device_for_each_subdev(sd, dev)                            \
+        list_for_each_entry(sd, &(dev)->subdevs, list)
+
+/* Call the specified callback for all subdevs matching the condition.
+   Ignore any errors. Note that you cannot add or delete a subdev
+   while walking the subdevs list. */
+#define __v4l2_device_call_subdevs(dev, cond, o, f, args...)            \
+        do {                                                            \
+                struct v4l2_subdev *sd;                                 \
+                                                                        \
+                list_for_each_entry(sd, &(dev)->subdevs, list)          \
+                        if ((cond) && sd->ops->o && sd->ops->o->f)      \
+                                sd->ops->o->f(sd , ##args);             \
+        } while (0)
+
+/* Call the specified callback for all subdevs matching the condition.
+   If the callback returns an error other than 0 or -ENOIOCTLCMD, then
+   return with that error code. Note that you cannot add or delete a
+   subdev while walking the subdevs list. */
+#define __v4l2_device_call_subdevs_until_err(dev, cond, o, f, args...)  \
+({                                                                      \
+        struct v4l2_subdev *sd;                                         \
+        int err = 0;                                                    \
+                                                                        \
+        list_for_each_entry(sd, &(dev)->subdevs, list) {                \
+                if ((cond) && sd->ops->o && sd->ops->o->f)              \
+                        err = sd->ops->o->f(sd , ##args);               \
+                if (err && err != -ENOIOCTLCMD)                         \
+                        break;                                          \
+        }                                                               \
+        (err == -ENOIOCTLCMD) ? 0 : err;                                \
+})
+
+/* Call the specified callback for all subdevs matching grp_id (if 0, then
+   match them all). Ignore any errors. Note that you cannot add or delete
+   a subdev while walking the subdevs list. */
+#define v4l2_device_call_all(dev, grp_id, o, f, args...)                \
+        __v4l2_device_call_subdevs(dev,                                 \
+                        !(grp_id) || sd->grp_id == (grp_id), o, f , ##args)
+
+/* Call the specified callback for all subdevs matching grp_id (if 0, then
+   match them all). If the callback returns an error other than 0 or
+   -ENOIOCTLCMD, then return with that error code. Note that you cannot
+   add or delete a subdev while walking the subdevs list. */
+#define v4l2_device_call_until_err(dev, grp_id, o, f, args...)          \
+        __v4l2_device_call_subdevs_until_err(dev,                       \
+                       !(grp_id) || sd->grp_id == (grp_id), o, f , ##args)
+
+#endif
diff --git a/include/media/v4l2-i2c-drv-legacy.h b/include/media/v4l2-i2c-drv-legacy.h
index 975ffbf4e2c5..e65dd9d84e8b 100644
--- a/include/media/v4l2-i2c-drv-legacy.h
+++ b/include/media/v4l2-i2c-drv-legacy.h
@@ -21,6 +21,17 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+/* NOTE: the full version of this header is in the v4l-dvb repository
+ * and allows v4l i2c drivers to be compiled on older kernels as well.
+ * The version of this header as it appears in the kernel is a stripped
+ * version (without all the backwards compatibility stuff) and so it
+ * looks a bit odd.
+ *
+ * If you look at the full version then you will understand the reason
+ * for introducing this header since you really don't want to have all
+ * the tricky backwards compatibility code in each and every i2c driver.
+ */
+
 struct v4l2_i2c_driver_data {
         const char * const name;
         int driverid;
diff --git a/include/media/v4l2-i2c-drv.h b/include/media/v4l2-i2c-drv.h
index 40ecef29801d..efdc8bf27f87 100644
--- a/include/media/v4l2-i2c-drv.h
+++ b/include/media/v4l2-i2c-drv.h
@@ -21,6 +21,17 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+/* NOTE: the full version of this header is in the v4l-dvb repository
+ * and allows v4l i2c drivers to be compiled on older kernels as well.
+ * The version of this header as it appears in the kernel is a stripped
+ * version (without all the backwards compatibility stuff) and so it
+ * looks a bit odd.
+ *
+ * If you look at the full version then you will understand the reason
+ * for introducing this header since you really don't want to have all
+ * the tricky backwards compatibility code in each and every i2c driver.
+ */
+
 #ifndef __V4L2_I2C_DRV_H__
 #define __V4L2_I2C_DRV_H__
 
diff --git a/include/media/v4l2-int-device.h b/include/media/v4l2-int-device.h
index c8b80e0f0651..ecda3c725837 100644
--- a/include/media/v4l2-int-device.h
+++ b/include/media/v4l2-int-device.h
@@ -84,6 +84,8 @@ struct v4l2_int_device {
         void *priv;
 };
 
+void v4l2_int_device_try_attach_all(void);
+
 int v4l2_int_device_register(struct v4l2_int_device *d);
 void v4l2_int_device_unregister(struct v4l2_int_device *d);
 
@@ -96,6 +98,12 @@ int v4l2_int_ioctl_1(struct v4l2_int_device *d, int cmd, void *arg);
  *
  */
 
+enum v4l2_power {
+        V4L2_POWER_OFF = 0,
+        V4L2_POWER_ON,
+        V4L2_POWER_STANDBY,
+};
+
 /* Slave interface type. */
 enum v4l2_if_type {
         /*
@@ -170,8 +178,14 @@ enum v4l2_int_ioctl_num {
         vidioc_int_queryctrl_num,
         vidioc_int_g_ctrl_num,
         vidioc_int_s_ctrl_num,
+        vidioc_int_cropcap_num,
+        vidioc_int_g_crop_num,
+        vidioc_int_s_crop_num,
         vidioc_int_g_parm_num,
         vidioc_int_s_parm_num,
+        vidioc_int_querystd_num,
+        vidioc_int_s_std_num,
+        vidioc_int_s_video_routing_num,
 
         /*
          *
@@ -182,12 +196,19 @@ enum v4l2_int_ioctl_num {
         vidioc_int_dev_init_num = 1000,
         /* Delinitialise the device at slave detach. */
         vidioc_int_dev_exit_num,
-        /* Set device power state: 0 is off, non-zero is on. */
+        /* Set device power state. */
         vidioc_int_s_power_num,
+        /*
+        * Get slave private data, e.g. platform-specific slave
+        * configuration used by the master.
+        */
+        vidioc_int_g_priv_num,
         /* Get slave interface parameters. */
         vidioc_int_g_ifparm_num,
         /* Does the slave need to be reset after VIDIOC_DQBUF? */
         vidioc_int_g_needs_reset_num,
+        vidioc_int_enum_framesizes_num,
+        vidioc_int_enum_frameintervals_num,
 
         /*
          *
@@ -261,14 +282,23 @@ V4L2_INT_WRAPPER_1(try_fmt_cap, struct v4l2_format, *);
 V4L2_INT_WRAPPER_1(queryctrl, struct v4l2_queryctrl, *);
 V4L2_INT_WRAPPER_1(g_ctrl, struct v4l2_control, *);
 V4L2_INT_WRAPPER_1(s_ctrl, struct v4l2_control, *);
+V4L2_INT_WRAPPER_1(cropcap, struct v4l2_cropcap, *);
+V4L2_INT_WRAPPER_1(g_crop, struct v4l2_crop, *);
+V4L2_INT_WRAPPER_1(s_crop, struct v4l2_crop, *);
 V4L2_INT_WRAPPER_1(g_parm, struct v4l2_streamparm, *);
 V4L2_INT_WRAPPER_1(s_parm, struct v4l2_streamparm, *);
+V4L2_INT_WRAPPER_1(querystd, v4l2_std_id, *);
+V4L2_INT_WRAPPER_1(s_std, v4l2_std_id, *);
+V4L2_INT_WRAPPER_1(s_video_routing, struct v4l2_routing, *);
 
 V4L2_INT_WRAPPER_0(dev_init);
 V4L2_INT_WRAPPER_0(dev_exit);
-V4L2_INT_WRAPPER_1(s_power, int, );
+V4L2_INT_WRAPPER_1(s_power, enum v4l2_power, );
+V4L2_INT_WRAPPER_1(g_priv, void, *);
 V4L2_INT_WRAPPER_1(g_ifparm, struct v4l2_ifparm, *);
 V4L2_INT_WRAPPER_1(g_needs_reset, void, *);
+V4L2_INT_WRAPPER_1(enum_framesizes, struct v4l2_frmsizeenum, *);
+V4L2_INT_WRAPPER_1(enum_frameintervals, struct v4l2_frmivalenum, *);
 
 V4L2_INT_WRAPPER_0(reset);
 V4L2_INT_WRAPPER_0(init);
diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
index 0bef03add796..fcdb58c4ce07 100644
--- a/include/media/v4l2-ioctl.h
+++ b/include/media/v4l2-ioctl.h
@@ -232,6 +232,12 @@ struct v4l2_ioctl_ops {
         int (*vidioc_g_chip_ident)     (struct file *file, void *fh,
                                         struct v4l2_chip_ident *chip);
 
+        int (*vidioc_enum_framesizes)   (struct file *file, void *fh,
+                                         struct v4l2_frmsizeenum *fsize);
+
+        int (*vidioc_enum_frameintervals) (struct file *file, void *fh,
+                                           struct v4l2_frmivalenum *fival);
+
         /* For other private ioctls */
         int (*vidioc_default)          (struct file *file, void *fh,
                                         int cmd, void *arg);
@@ -271,26 +277,36 @@ extern const char *v4l2_field_names[];
 extern const char *v4l2_type_names[];
 
 /*  Compatibility layer interface  --  v4l1-compat module */
-typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file,
+typedef int (*v4l2_kioctl)(struct file *file,
                            unsigned int cmd, void *arg);
 #ifdef CONFIG_VIDEO_V4L1_COMPAT
-int v4l_compat_translate_ioctl(struct inode *inode, struct file *file,
+int v4l_compat_translate_ioctl(struct file *file,
                                int cmd, void *arg, v4l2_kioctl driver_ioctl);
 #else
-#define v4l_compat_translate_ioctl(inode, file, cmd, arg, ioctl) (-EINVAL)
+#define v4l_compat_translate_ioctl(file, cmd, arg, ioctl) (-EINVAL)
 #endif
 
 /* 32 Bits compatibility layer for 64 bits processors */
 extern long v4l_compat_ioctl32(struct file *file, unsigned int cmd,
                                 unsigned long arg);
 
-extern int video_ioctl2(struct inode *inode, struct file *file,
-                          unsigned int cmd, unsigned long arg);
-
 /* Include support for obsoleted stuff */
-extern int video_usercopy(struct inode *inode, struct file *file,
-                          unsigned int cmd, unsigned long arg,
-                          int (*func)(struct inode *inode, struct file *file,
-                                      unsigned int cmd, void *arg));
+extern int video_usercopy(struct file *file, unsigned int cmd,
+                                unsigned long arg, v4l2_kioctl func);
+
+/* Standard handlers for V4L ioctl's */
+
+/* This prototype is used on fops.unlocked_ioctl */
+extern long __video_ioctl2(struct file *file,
+                        unsigned int cmd, unsigned long arg);
+
+/* This prototype is used on fops.ioctl
+ * Since fops.ioctl enables Kernel Big Lock, it is preferred
+ * to use __video_ioctl2 instead.
+ * It should be noticed that there's no lock code inside
+ * video_ioctl2().
+ */
+extern int video_ioctl2(struct inode *inode, struct file *file,
+                        unsigned int cmd, unsigned long arg);
 
 #endif /* _V4L2_IOCTL_H */
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h
new file mode 100644
index 000000000000..ceef016bb0b7
--- /dev/null
+++ b/include/media/v4l2-subdev.h
@@ -0,0 +1,189 @@
+/*
+    V4L2 sub-device support header.
+
+    Copyright (C) 2008  Hans Verkuil <hverkuil@xs4all.nl>
+
+    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.
+
+    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 _V4L2_SUBDEV_H
+#define _V4L2_SUBDEV_H
+
+#include <media/v4l2-common.h>
+
+struct v4l2_device;
+struct v4l2_subdev;
+struct tuner_setup;
+
+/* Sub-devices are devices that are connected somehow to the main bridge
+   device. These devices are usually audio/video muxers/encoders/decoders or
+   sensors and webcam controllers.
+
+   Usually these devices are controlled through an i2c bus, but other busses
+   may also be used.
+
+   The v4l2_subdev struct provides a way of accessing these devices in a
+   generic manner. Most operations that these sub-devices support fall in
+   a few categories: core ops, audio ops, video ops and tuner ops.
+
+   More categories can be added if needed, although this should remain a
+   limited set (no more than approx. 8 categories).
+
+   Each category has its own set of ops that subdev drivers can implement.
+
+   A subdev driver can leave the pointer to the category ops NULL if
+   it does not implement them (e.g. an audio subdev will generally not
+   implement the video category ops). The exception is the core category:
+   this must always be present.
+
+   These ops are all used internally so it is no problem to change, remove
+   or add ops or move ops from one to another category. Currently these
+   ops are based on the original ioctls, but since ops are not limited to
+   one argument there is room for improvement here once all i2c subdev
+   drivers are converted to use these ops.
+ */
+
+/* Core ops: it is highly recommended to implement at least these ops:
+
+   g_chip_ident
+   log_status
+   g_register
+   s_register
+
+   This provides basic debugging support.
+
+   The ioctl ops is meant for generic ioctl-like commands. Depending on
+   the use-case it might be better to use subdev-specific ops (currently
+   not yet implemented) since ops provide proper type-checking.
+ */
+struct v4l2_subdev_core_ops {
+        int (*g_chip_ident)(struct v4l2_subdev *sd, struct v4l2_chip_ident *chip);
+        int (*log_status)(struct v4l2_subdev *sd);
+        int (*init)(struct v4l2_subdev *sd, u32 val);
+        int (*s_standby)(struct v4l2_subdev *sd, u32 standby);
+        int (*reset)(struct v4l2_subdev *sd, u32 val);
+        int (*s_gpio)(struct v4l2_subdev *sd, u32 val);
+        int (*queryctrl)(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc);
+        int (*g_ctrl)(struct v4l2_subdev *sd, struct v4l2_control *ctrl);
+        int (*s_ctrl)(struct v4l2_subdev *sd, struct v4l2_control *ctrl);
+        int (*querymenu)(struct v4l2_subdev *sd, struct v4l2_querymenu *qm);
+        int (*ioctl)(struct v4l2_subdev *sd, unsigned int cmd, void *arg);
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+        int (*g_register)(struct v4l2_subdev *sd, struct v4l2_register *reg);
+        int (*s_register)(struct v4l2_subdev *sd, struct v4l2_register *reg);
+#endif
+};
+
+struct v4l2_subdev_tuner_ops {
+        int (*s_mode)(struct v4l2_subdev *sd, enum v4l2_tuner_type);
+        int (*s_radio)(struct v4l2_subdev *sd);
+        int (*s_frequency)(struct v4l2_subdev *sd, struct v4l2_frequency *freq);
+        int (*g_frequency)(struct v4l2_subdev *sd, struct v4l2_frequency *freq);
+        int (*g_tuner)(struct v4l2_subdev *sd, struct v4l2_tuner *vt);
+        int (*s_tuner)(struct v4l2_subdev *sd, struct v4l2_tuner *vt);
+        int (*s_std)(struct v4l2_subdev *sd, v4l2_std_id norm);
+        int (*s_type_addr)(struct v4l2_subdev *sd, struct tuner_setup *type);
+        int (*s_config)(struct v4l2_subdev *sd, const struct v4l2_priv_tun_config *config);
+};
+
+struct v4l2_subdev_audio_ops {
+        int (*s_clock_freq)(struct v4l2_subdev *sd, u32 freq);
+        int (*s_i2s_clock_freq)(struct v4l2_subdev *sd, u32 freq);
+        int (*s_routing)(struct v4l2_subdev *sd, const struct v4l2_routing *route);
+};
+
+struct v4l2_subdev_video_ops {
+        int (*s_routing)(struct v4l2_subdev *sd, const struct v4l2_routing *route);
+        int (*s_crystal_freq)(struct v4l2_subdev *sd, struct v4l2_crystal_freq *freq);
+        int (*decode_vbi_line)(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi_line);
+        int (*s_vbi_data)(struct v4l2_subdev *sd, const struct v4l2_sliced_vbi_data *vbi_data);
+        int (*g_vbi_data)(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_data *vbi_data);
+        int (*g_sliced_vbi_cap)(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_cap *cap);
+        int (*s_std_output)(struct v4l2_subdev *sd, v4l2_std_id std);
+        int (*s_stream)(struct v4l2_subdev *sd, int enable);
+        int (*s_fmt)(struct v4l2_subdev *sd, struct v4l2_format *fmt);
+        int (*g_fmt)(struct v4l2_subdev *sd, struct v4l2_format *fmt);
+};
+
+struct v4l2_subdev_ops {
+        const struct v4l2_subdev_core_ops  *core;
+        const struct v4l2_subdev_tuner_ops *tuner;
+        const struct v4l2_subdev_audio_ops *audio;
+        const struct v4l2_subdev_video_ops *video;
+};
+
+#define V4L2_SUBDEV_NAME_SIZE 32
+
+/* Each instance of a subdev driver should create this struct, either
+   stand-alone or embedded in a larger struct.
+ */
+struct v4l2_subdev {
+        struct list_head list;
+        struct module *owner;
+        struct v4l2_device *dev;
+        const struct v4l2_subdev_ops *ops;
+        /* name must be unique */
+        char name[V4L2_SUBDEV_NAME_SIZE];
+        /* can be used to group similar subdevs, value is driver-specific */
+        u32 grp_id;
+        /* pointer to private data */
+        void *priv;
+};
+
+static inline void v4l2_set_subdevdata(struct v4l2_subdev *sd, void *p)
+{
+        sd->priv = p;
+}
+
+static inline void *v4l2_get_subdevdata(const struct v4l2_subdev *sd)
+{
+        return sd->priv;
+}
+
+/* Convert an ioctl-type command to the proper v4l2_subdev_ops function call.
+   This is used by subdev modules that can be called by both old-style ioctl
+   commands and through the v4l2_subdev_ops.
+
+   The ioctl API of the subdev driver can call this function to call the
+   right ops based on the ioctl cmd and arg.
+
+   Once all subdev drivers have been converted and all drivers no longer
+   use the ioctl interface, then this function can be removed.
+ */
+int v4l2_subdev_command(struct v4l2_subdev *sd, unsigned cmd, void *arg);
+
+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->dev = NULL;
+        sd->name[0] = '\0';
+        sd->grp_id = 0;
+        sd->priv = NULL;
+}
+
+/* Call an ops of a v4l2_subdev, doing the right checks against
+   NULL pointers.
+
+   Example: err = v4l2_subdev_call(sd, core, g_chip_ident, &chip);
+ */
+#define v4l2_subdev_call(sd, o, f, args...)                             \
+        (!(sd) ? -ENODEV : (((sd) && (sd)->ops->o && (sd)->ops->o->f) ? \
+                (sd)->ops->o->f((sd) , ##args) : -ENOIOCTLCMD))
+
+#endif
diff --git a/include/media/videobuf-dvb.h b/include/media/videobuf-dvb.h
index b77748696329..6ba4f1271d23 100644
--- a/include/media/videobuf-dvb.h
+++ b/include/media/videobuf-dvb.h
@@ -16,7 +16,6 @@ struct videobuf_dvb {
         int                        nfeeds;
 
         /* videobuf_dvb_(un)register manges this */
-        struct dvb_adapter         adapter;
         struct dvb_demux           demux;
         struct dmxdev              dmxdev;
         struct dmx_frontend        fe_hw;
@@ -24,12 +23,35 @@ struct videobuf_dvb {
         struct dvb_net             net;
 };
 
-int videobuf_dvb_register(struct videobuf_dvb *dvb,
+struct videobuf_dvb_frontend {
+        struct list_head felist;
+        int id;
+        struct videobuf_dvb dvb;
+};
+
+struct videobuf_dvb_frontends {
+        struct list_head felist;
+        struct mutex lock;
+        struct dvb_adapter adapter;
+        int active_fe_id; /* Indicates which frontend in the felist is in use */
+        int gate; /* Frontend with gate control 0=!MFE,1=fe0,2=fe1 etc */
+};
+
+int videobuf_dvb_register_bus(struct videobuf_dvb_frontends *f,
                           struct module *module,
                           void *adapter_priv,
                           struct device *device,
-                          short *adapter_nr);
-void videobuf_dvb_unregister(struct videobuf_dvb *dvb);
+                          short *adapter_nr,
+                          int mfe_shared);
+
+void videobuf_dvb_unregister_bus(struct videobuf_dvb_frontends *f);
+
+struct videobuf_dvb_frontend * videobuf_dvb_alloc_frontend(struct videobuf_dvb_frontends *f, int id);
+void videobuf_dvb_dealloc_frontends(struct videobuf_dvb_frontends *f);
+
+struct videobuf_dvb_frontend * videobuf_dvb_get_frontend(struct videobuf_dvb_frontends *f, int id);
+int videobuf_dvb_find_frontend(struct videobuf_dvb_frontends *f, struct dvb_frontend *p);
+
 
 /*
  * Local variables: