Merge master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb

* master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb:
  V4L/DVB (5305): Mark VIDIOC_DBG_S/G_REGISTER as experimental
  V4L/DVB (5271): Add VIDIOC_TRY_ENCODER_CMD and VIDIOC_ENCODER_CMD ioctls.
  V4L/DVB (5270): Add VIDIOC_G_ENC_INDEX ioctl
  V4L/DVB (5276): Cxusb: fix firmware patch for big endian systems
  V4L/DVB (5258): Cafe_ccic: fix compiler warning
  V4L/DVB (5295): Digitv: open nxt6000 i2c_gate for TDED4 tuner handling
  V4L/DVB (5304): Improve chip matching in v4l2_register
  V4L/DVB (5255): Fix cx25840 firmware loading.

20 files changed, 184 insertions, 38 deletions

diff --git a/drivers/media/dvb/dvb-usb/cxusb.c b/drivers/media/dvb/dvb-usb/cxusb.c
index 15d12fce34df..127a94b9a1b5 100644
--- a/drivers/media/dvb/dvb-usb/cxusb.c
+++ b/drivers/media/dvb/dvb-usb/cxusb.c
@@ -469,9 +469,9 @@ static int bluebird_patch_dvico_firmware_download(struct usb_device *udev,
             fw->data[BLUEBIRD_01_ID_OFFSET + 1] == USB_VID_DVICO >> 8) {
 
                 fw->data[BLUEBIRD_01_ID_OFFSET + 2] =
-                        udev->descriptor.idProduct + 1;
+                        le16_to_cpu(udev->descriptor.idProduct) + 1;
                 fw->data[BLUEBIRD_01_ID_OFFSET + 3] =
-                        udev->descriptor.idProduct >> 8;
+                        le16_to_cpu(udev->descriptor.idProduct) >> 8;
 
                 return usb_cypress_load_firmware(udev, fw, CYPRESS_FX2);
         }
diff --git a/drivers/media/dvb/dvb-usb/digitv.c b/drivers/media/dvb/dvb-usb/digitv.c
index 4a198d4755b0..b5acb11c0bc9 100644
--- a/drivers/media/dvb/dvb-usb/digitv.c
+++ b/drivers/media/dvb/dvb-usb/digitv.c
@@ -119,6 +119,8 @@ static int digitv_nxt6000_tuner_set_params(struct dvb_frontend *fe, struct dvb_f
         struct dvb_usb_adapter *adap = fe->dvb->priv;
         u8 b[5];
         dvb_usb_tuner_calc_regs(fe,fep,b, 5);
+        if (fe->ops.i2c_gate_ctrl)
+                fe->ops.i2c_gate_ctrl(fe, 1);
         return digitv_ctrl_msg(adap->dev, USB_WRITE_TUNER, 0, &b[1], 4, NULL, 0);
 }
 
diff --git a/drivers/media/video/cafe_ccic.c b/drivers/media/video/cafe_ccic.c
index 682dc7ce48d9..710c11a68296 100644
--- a/drivers/media/video/cafe_ccic.c
+++ b/drivers/media/video/cafe_ccic.c
@@ -1022,7 +1022,7 @@ static ssize_t cafe_v4l_read(struct file *filp,
                 char __user *buffer, size_t len, loff_t *pos)
 {
         struct cafe_camera *cam = filp->private_data;
-        int ret;
+        int ret = 0;
 
         /*
          * Perhaps we're in speculative read mode and already
@@ -1251,8 +1251,6 @@ static int cafe_vidioc_reqbufs(struct file *filp, void *priv,
 
         if (cam->n_sbufs == 0)  /* no luck at all - ret already set */
                 kfree(cam->sb_bufs);
-        else
-                ret = 0;
         req->count = cam->n_sbufs;  /* In case of partial success */
 
   out:
diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c
index cc535ca713d2..774d2536555b 100644
--- a/drivers/media/video/cx25840/cx25840-core.c
+++ b/drivers/media/video/cx25840/cx25840-core.c
@@ -633,7 +633,7 @@ static int cx25840_command(struct i2c_client *client, unsigned int cmd,
         {
                 struct v4l2_register *reg = arg;
 
-                if (reg->i2c_id != I2C_DRIVERID_CX25840)
+                if (!v4l2_chip_match_i2c_client(client, reg->match_type, reg->match_chip))
                         return -EINVAL;
                 if (!capable(CAP_SYS_ADMIN))
                         return -EPERM;
@@ -903,13 +903,13 @@ static int cx25840_detect_client(struct i2c_adapter *adapter, int address,
         state->vbi_line_offset = 8;
         state->id = id;
 
+        i2c_attach_client(client);
+
         if (state->is_cx25836)
                 cx25836_initialize(client);
         else
                 cx25840_initialize(client, 1);
 
-        i2c_attach_client(client);
-
         return 0;
 }
 
diff --git a/drivers/media/video/cx25840/cx25840-firmware.c b/drivers/media/video/cx25840/cx25840-firmware.c
index 1958d4016ea1..0e86b9d033ac 100644
--- a/drivers/media/video/cx25840/cx25840-firmware.c
+++ b/drivers/media/video/cx25840/cx25840-firmware.c
@@ -37,7 +37,7 @@
  */
 #define FWSEND 48
 
-#define FWDEV(x) &((x)->adapter->dev)
+#define FWDEV(x) &((x)->dev)
 
 static char *firmware = FWFILE;
 
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index a97be1bdc31d..bdfe2af70124 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -1389,7 +1389,7 @@ static int vidioc_g_register (struct file *file, void *fh,
 {
         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
 
-        if (reg->i2c_id != 0)
+        if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
                 return -EINVAL;
         /* cx2388x has a 24-bit register space */
         reg->val = cx_read(reg->reg&0xffffff);
@@ -1401,7 +1401,7 @@ static int vidioc_s_register (struct file *file, void *fh,
 {
         struct cx88_core *core = ((struct cx8800_fh*)fh)->dev->core;
 
-        if (reg->i2c_id != 0)
+        if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
                 return -EINVAL;
         cx_write(reg->reg&0xffffff, reg->val);
         return 0;
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
index a1ca0f5007e0..1cd4bb3ae260 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
@@ -3256,8 +3256,8 @@ static int pvr2_hdw_get_eeprom_addr(struct pvr2_hdw *hdw)
 
 
 int pvr2_hdw_register_access(struct pvr2_hdw *hdw,
-                             u32 chip_id, u64 reg_id,
-                             int setFl,u32 *val_ptr)
+                             u32 match_type, u32 match_chip, u64 reg_id,
+                             int setFl,u64 *val_ptr)
 {
 #ifdef CONFIG_VIDEO_ADV_DEBUG
         struct list_head *item;
@@ -3268,13 +3268,16 @@ int pvr2_hdw_register_access(struct pvr2_hdw *hdw,
 
         if (!capable(CAP_SYS_ADMIN)) return -EPERM;
 
-        req.i2c_id = chip_id;
+        req.match_type = match_type;
+        req.match_chip = match_chip;
         req.reg = reg_id;
         if (setFl) req.val = *val_ptr;
         mutex_lock(&hdw->i2c_list_lock); do {
                 list_for_each(item,&hdw->i2c_clients) {
                         cp = list_entry(item,struct pvr2_i2c_client,list);
-                        if (cp->client->driver->id != chip_id) continue;
+                        if (!v4l2_chip_match_i2c_client(cp->client, req.match_type, req.match_chip)) {
+                                continue;
+                        }
                         stat = pvr2_i2c_client_cmd(
                                 cp,(setFl ? VIDIOC_DBG_S_REGISTER :
                                     VIDIOC_DBG_G_REGISTER),&req);
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.h b/drivers/media/video/pvrusb2/pvrusb2-hdw.h
index 566a8ef7e121..0c9cca43ff85 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.h
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.h
@@ -217,13 +217,14 @@ void pvr2_hdw_v4l_store_minor_number(struct pvr2_hdw *,
                                      enum pvr2_v4l_type index,int);
 
 /* Direct read/write access to chip's registers:
-   chip_id - unique id of chip (e.g. I2C_DRIVERD_xxxx)
+   match_type - how to interpret match_chip (e.g. driver ID, i2c address)
+   match_chip - chip match value (e.g. I2C_DRIVERD_xxxx)
    reg_id  - register number to access
    setFl   - true to set the register, false to read it
    val_ptr - storage location for source / result. */
 int pvr2_hdw_register_access(struct pvr2_hdw *,
-                             u32 chip_id,u64 reg_id,
-                             int setFl,u32 *val_ptr);
+                             u32 match_type, u32 match_chip,u64 reg_id,
+                             int setFl,u64 *val_ptr);
 
 /* The following entry points are all lower level things you normally don't
    want to worry about. */
diff --git a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
index 4fe4136204c7..5313d342666e 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
@@ -740,11 +740,11 @@ static int pvr2_v4l2_do_ioctl(struct inode *inode, struct file *file,
         case VIDIOC_DBG_S_REGISTER:
         case VIDIOC_DBG_G_REGISTER:
         {
-                u32 val;
+                u64 val;
                 struct v4l2_register *req = (struct v4l2_register *)arg;
                 if (cmd == VIDIOC_DBG_S_REGISTER) val = req->val;
                 ret = pvr2_hdw_register_access(
-                        hdw,req->i2c_id,req->reg,
+                        hdw,req->match_type,req->match_chip,req->reg,
                         cmd == VIDIOC_DBG_S_REGISTER,&val);
                 if (cmd == VIDIOC_DBG_G_REGISTER) req->val = val;
                 break;
diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c
index c4f066d6668e..7735b6758921 100644
--- a/drivers/media/video/saa7115.c
+++ b/drivers/media/video/saa7115.c
@@ -1425,7 +1425,7 @@ static int saa711x_command(struct i2c_client *client, unsigned int cmd, void *ar
         {
                 struct v4l2_register *reg = arg;
 
-                if (reg->i2c_id != I2C_DRIVERID_SAA711X)
+                if (!v4l2_chip_match_i2c_client(client, reg->match_type, reg->match_chip))
                         return -EINVAL;
                 if (!capable(CAP_SYS_ADMIN))
                         return -EPERM;
diff --git a/drivers/media/video/saa7127.c b/drivers/media/video/saa7127.c
index bd9c4f3ad02e..654863db1591 100644
--- a/drivers/media/video/saa7127.c
+++ b/drivers/media/video/saa7127.c
@@ -619,7 +619,7 @@ static int saa7127_command(struct i2c_client *client,
         {
                 struct v4l2_register *reg = arg;
 
-                if (reg->i2c_id != I2C_DRIVERID_SAA7127)
+                if (!v4l2_chip_match_i2c_client(client, reg->match_type, reg->match_chip))
                         return -EINVAL;
                 if (!capable(CAP_SYS_ADMIN))
                         return -EPERM;
diff --git a/drivers/media/video/tvp5150.c b/drivers/media/video/tvp5150.c
index 886b5df7c9d1..d5ec05f56adf 100644
--- a/drivers/media/video/tvp5150.c
+++ b/drivers/media/video/tvp5150.c
@@ -955,7 +955,7 @@ static int tvp5150_command(struct i2c_client *c,
         {
                 struct v4l2_register *reg = arg;
 
-                if (reg->i2c_id != I2C_DRIVERID_TVP5150)
+                if (!v4l2_chip_match_i2c_client(c, reg->match_type, reg->match_chip))
                         return -EINVAL;
                 if (!capable(CAP_SYS_ADMIN))
                         return -EPERM;
diff --git a/drivers/media/video/upd64031a.c b/drivers/media/video/upd64031a.c
index b3b5fd536dc3..28d1133a3b7a 100644
--- a/drivers/media/video/upd64031a.c
+++ b/drivers/media/video/upd64031a.c
@@ -167,7 +167,7 @@ static int upd64031a_command(struct i2c_client *client, unsigned int cmd, void *
         {
                 struct v4l2_register *reg = arg;
 
-                if (reg->i2c_id != I2C_DRIVERID_UPD64031A)
+                if (!v4l2_chip_match_i2c_client(client, reg->match_type, reg->match_chip))
                         return -EINVAL;
                 if (!capable(CAP_SYS_ADMIN))
                         return -EPERM;
diff --git a/drivers/media/video/upd64083.c b/drivers/media/video/upd64083.c
index 8852903e7a92..fe38224150d8 100644
--- a/drivers/media/video/upd64083.c
+++ b/drivers/media/video/upd64083.c
@@ -144,7 +144,7 @@ static int upd64083_command(struct i2c_client *client, unsigned int cmd, void *a
         {
                 struct v4l2_register *reg = arg;
 
-                if (reg->i2c_id != I2C_DRIVERID_UPD64083)
+                if (!v4l2_chip_match_i2c_client(client, reg->match_type, reg->match_chip))
                         return -EINVAL;
                 if (!capable(CAP_SYS_ADMIN))
                         return -EPERM;
diff --git a/drivers/media/video/usbvision/usbvision-video.c b/drivers/media/video/usbvision/usbvision-video.c
index ae5f42562c0c..6fc14557d623 100644
--- a/drivers/media/video/usbvision/usbvision-video.c
+++ b/drivers/media/video/usbvision/usbvision-video.c
@@ -521,7 +521,7 @@ static int usbvision_v4l2_do_ioctl(struct inode *inode, struct file *file,
                         struct v4l2_register *reg = arg;
                         int errCode;
 
-                        if (reg->i2c_id != 0)
+                        if (!v4l2_chip_match_host(reg->match_type, reg->match_chip))
                                 return -EINVAL;
                         if (!capable(CAP_SYS_ADMIN))
                                 return -EPERM;
@@ -540,7 +540,7 @@ static int usbvision_v4l2_do_ioctl(struct inode *inode, struct file *file,
 
                         PDEBUG(DBG_IOCTL, "VIDIOC_DBG_%c_REGISTER reg=0x%02X, value=0x%02X",
                                cmd == VIDIOC_DBG_G_REGISTER ? 'G' : 'S',
-                               (unsigned int)reg->reg, reg->val);
+                               (unsigned int)reg->reg, (unsigned int)reg->val);
                         return 0;
                 }
 #endif
diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c
index ddfd80c5618b..54747606eae1 100644
--- a/drivers/media/video/v4l2-common.c
+++ b/drivers/media/video/v4l2-common.c
@@ -51,6 +51,7 @@
 #include <linux/mm.h>
 #include <linux/string.h>
 #include <linux/errno.h>
+#include <linux/i2c.h>
 #include <asm/uaccess.h>
 #include <asm/system.h>
 #include <asm/pgtable.h>
@@ -365,13 +366,21 @@ static const char *v4l2_ioctls[] = {
         [_IOC_NR(VIDIOC_ENUMAUDOUT)]       = "VIDIOC_ENUMAUDOUT",
         [_IOC_NR(VIDIOC_G_PRIORITY)]       = "VIDIOC_G_PRIORITY",
         [_IOC_NR(VIDIOC_S_PRIORITY)]       = "VIDIOC_S_PRIORITY",
-#if 1
         [_IOC_NR(VIDIOC_G_SLICED_VBI_CAP)] = "VIDIOC_G_SLICED_VBI_CAP",
-#endif
         [_IOC_NR(VIDIOC_LOG_STATUS)]       = "VIDIOC_LOG_STATUS",
         [_IOC_NR(VIDIOC_G_EXT_CTRLS)]      = "VIDIOC_G_EXT_CTRLS",
         [_IOC_NR(VIDIOC_S_EXT_CTRLS)]      = "VIDIOC_S_EXT_CTRLS",
-        [_IOC_NR(VIDIOC_TRY_EXT_CTRLS)]    = "VIDIOC_TRY_EXT_CTRLS"
+        [_IOC_NR(VIDIOC_TRY_EXT_CTRLS)]    = "VIDIOC_TRY_EXT_CTRLS",
+#if 1
+        [_IOC_NR(VIDIOC_ENUM_FRAMESIZES)]  = "VIDIOC_ENUM_FRAMESIZES",
+        [_IOC_NR(VIDIOC_ENUM_FRAMEINTERVALS)] = "VIDIOC_ENUM_FRAMEINTERVALS",
+        [_IOC_NR(VIDIOC_G_ENC_INDEX)]      = "VIDIOC_G_ENC_INDEX",
+        [_IOC_NR(VIDIOC_ENCODER_CMD)]      = "VIDIOC_ENCODER_CMD",
+        [_IOC_NR(VIDIOC_TRY_ENCODER_CMD)]  = "VIDIOC_TRY_ENCODER_CMD",
+
+        [_IOC_NR(VIDIOC_DBG_S_REGISTER)]   = "VIDIOC_DBG_S_REGISTER",
+        [_IOC_NR(VIDIOC_DBG_G_REGISTER)]   = "VIDIOC_DBG_G_REGISTER",
+#endif
 };
 #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
 
@@ -395,9 +404,6 @@ static const char *v4l2_int_ioctls[] = {
         [_IOC_NR(TUNER_SET_STANDBY)]           = "TUNER_SET_STANDBY",
         [_IOC_NR(TDA9887_SET_CONFIG)]          = "TDA9887_SET_CONFIG",
 
-        [_IOC_NR(VIDIOC_DBG_S_REGISTER)]       = "VIDIOC_DBG_S_REGISTER",
-        [_IOC_NR(VIDIOC_DBG_G_REGISTER)]       = "VIDIOC_DBG_G_REGISTER",
-
         [_IOC_NR(VIDIOC_INT_S_TUNER_MODE)]     = "VIDIOC_INT_S_TUNER_MODE",
         [_IOC_NR(VIDIOC_INT_RESET)]            = "VIDIOC_INT_RESET",
         [_IOC_NR(VIDIOC_INT_AUDIO_CLOCK_FREQ)] = "VIDIOC_INT_AUDIO_CLOCK_FREQ",
@@ -947,6 +953,28 @@ u32 v4l2_ctrl_next(const u32 * const * ctrl_classes, u32 id)
         return **ctrl_classes;
 }
 
+int v4l2_chip_match_i2c_client(struct i2c_client *c, u32 match_type, u32 match_chip)
+{
+        switch (match_type) {
+        case V4L2_CHIP_MATCH_I2C_DRIVER:
+                return (c != NULL && c->driver != NULL && c->driver->id == match_chip);
+        case V4L2_CHIP_MATCH_I2C_ADDR:
+                return (c != NULL && c->addr == match_chip);
+        default:
+                return 0;
+        }
+}
+
+int v4l2_chip_match_host(u32 match_type, u32 match_chip)
+{
+        switch (match_type) {
+        case V4L2_CHIP_MATCH_HOST:
+                return match_chip == 0;
+        default:
+                return 0;
+        }
+}
+
 /* ----------------------------------------------------------------- */
 
 EXPORT_SYMBOL(v4l2_norm_to_name);
@@ -970,6 +998,9 @@ EXPORT_SYMBOL(v4l2_ctrl_query_menu);
 EXPORT_SYMBOL(v4l2_ctrl_query_fill);
 EXPORT_SYMBOL(v4l2_ctrl_query_fill_std);
 
+EXPORT_SYMBOL(v4l2_chip_match_i2c_client);
+EXPORT_SYMBOL(v4l2_chip_match_host);
+
 /*
  * Local variables:
  * c-basic-offset: 8
diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c
index dc9b1ef678aa..011938fb7e0e 100644
--- a/drivers/media/video/videodev.c
+++ b/drivers/media/video/videodev.c
@@ -1342,6 +1342,42 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
                         ret=vfd->vidioc_s_jpegcomp(file, fh, p);
                 break;
         }
+        case VIDIOC_G_ENC_INDEX:
+        {
+                struct v4l2_enc_idx *p=arg;
+
+                if (!vfd->vidioc_g_enc_index)
+                        break;
+                ret=vfd->vidioc_g_enc_index(file, fh, p);
+                if (!ret)
+                        dbgarg (cmd, "entries=%d, entries_cap=%d\n",
+                                        p->entries,p->entries_cap);
+                break;
+        }
+        case VIDIOC_ENCODER_CMD:
+        {
+                struct v4l2_encoder_cmd *p=arg;
+
+                if (!vfd->vidioc_encoder_cmd)
+                        break;
+                ret=vfd->vidioc_encoder_cmd(file, fh, p);
+                if (!ret)
+                        dbgarg (cmd, "cmd=%d, flags=%d\n",
+                                        p->cmd,p->flags);
+                break;
+        }
+        case VIDIOC_TRY_ENCODER_CMD:
+        {
+                struct v4l2_encoder_cmd *p=arg;
+
+                if (!vfd->vidioc_try_encoder_cmd)
+                        break;
+                ret=vfd->vidioc_try_encoder_cmd(file, fh, p);
+                if (!ret)
+                        dbgarg (cmd, "cmd=%d, flags=%d\n",
+                                        p->cmd,p->flags);
+                break;
+        }
         case VIDIOC_G_PARM:
         {
                 struct v4l2_streamparm *p=arg;
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 65a165f918c9..441b877bf150 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -1193,6 +1193,55 @@ struct v4l2_audioout
 };
 
 /*
+ *      M P E G   S E R V I C E S
+ *
+ *      NOTE: EXPERIMENTAL API
+ */
+#if 1
+#define V4L2_ENC_IDX_FRAME_I    (0)
+#define V4L2_ENC_IDX_FRAME_P    (1)
+#define V4L2_ENC_IDX_FRAME_B    (2)
+#define V4L2_ENC_IDX_FRAME_MASK (0xf)
+
+struct v4l2_enc_idx_entry {
+        __u64 offset;
+        __u64 pts;
+        __u32 length;
+        __u32 flags;
+        __u32 reserved[2];
+};
+
+#define V4L2_ENC_IDX_ENTRIES (64)
+struct v4l2_enc_idx {
+        __u32 entries;
+        __u32 entries_cap;
+        __u32 reserved[4];
+        struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
+};
+
+
+#define V4L2_ENC_CMD_START      (0)
+#define V4L2_ENC_CMD_STOP       (1)
+#define V4L2_ENC_CMD_PAUSE      (2)
+#define V4L2_ENC_CMD_RESUME     (3)
+
+/* Flags for V4L2_ENC_CMD_STOP */
+#define V4L2_ENC_CMD_STOP_AT_GOP_END    (1 << 0)
+
+struct v4l2_encoder_cmd {
+        __u32 cmd;
+        __u32 flags;
+        union {
+                struct {
+                        __u32 data[8];
+                } raw;
+        };
+};
+
+#endif
+
+
+/*
  *      D A T A   S E R V I C E S   ( V B I )
  *
  *      Data services API by Michael Schimek
@@ -1303,13 +1352,21 @@ struct v4l2_streamparm
 
 /*
  *      A D V A N C E D   D E B U G G I N G
+ *
+ *      NOTE: EXPERIMENTAL API
  */
 
 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
+
+#define V4L2_CHIP_MATCH_HOST       0  /* Match against chip ID on host (0 for the host) */
+#define V4L2_CHIP_MATCH_I2C_DRIVER 1  /* Match against I2C driver ID */
+#define V4L2_CHIP_MATCH_I2C_ADDR   2  /* Match against I2C 7-bit address */
+
 struct v4l2_register {
+        __u32 match_type; /* Match type */
+        __u32 match_chip; /* Match this chip, meaning determined by match_type */
         __u64 reg;
-        __u32 i2c_id; /* I2C driver ID of the I2C chip, or 0 for the host */
-        __u32 val;
+        __u64 val;
 };
 
 /*
@@ -1378,10 +1435,14 @@ struct v4l2_register {
 #if 1
 #define VIDIOC_ENUM_FRAMESIZES  _IOWR ('V', 74, struct v4l2_frmsizeenum)
 #define VIDIOC_ENUM_FRAMEINTERVALS      _IOWR ('V', 75, struct v4l2_frmivalenum)
+#define VIDIOC_G_ENC_INDEX      _IOR  ('V', 76, struct v4l2_enc_idx)
+#define VIDIOC_ENCODER_CMD      _IOWR ('V', 77, struct v4l2_encoder_cmd)
+#define VIDIOC_TRY_ENCODER_CMD  _IOWR ('V', 78, struct v4l2_encoder_cmd)
+
+/* Experimental, only implemented if CONFIG_VIDEO_ADV_DEBUG is defined */
+#define VIDIOC_DBG_S_REGISTER   _IOW  ('V', 79, struct v4l2_register)
+#define VIDIOC_DBG_G_REGISTER   _IOWR ('V', 80, struct v4l2_register)
 #endif
-/* only implemented if CONFIG_VIDEO_ADV_DEBUG is defined */
-#define VIDIOC_DBG_S_REGISTER   _IOW ('d', 100, struct v4l2_register)
-#define VIDIOC_DBG_G_REGISTER   _IOWR('d', 101, struct v4l2_register)
 
 #ifdef __OLD_VIDIOC_
 /* for compatibility, will go away some day */
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
index 244e440edb53..6eaeec98ed89 100644
--- a/include/media/v4l2-common.h
+++ b/include/media/v4l2-common.h
@@ -94,6 +94,14 @@ u32 v4l2_ctrl_next(const u32 * const *ctrl_classes, u32 id);
 
 /* ------------------------------------------------------------------------- */
 
+/* Register/chip ident helper function */
+
+struct i2c_client; /* forward reference */
+int v4l2_chip_match_i2c_client(struct i2c_client *c, u32 id_type, u32 chip_id);
+int v4l2_chip_match_host(u32 id_type, u32 chip_id);
+
+/* ------------------------------------------------------------------------- */
+
 /* Internal ioctls */
 
 /* VIDIOC_INT_DECODE_VBI_LINE */
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index aeec56992ef5..1dd3d3239ecf 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -271,6 +271,12 @@ struct video_device
                                         struct v4l2_jpegcompression *a);
         int (*vidioc_s_jpegcomp)       (struct file *file, void *fh,
                                         struct v4l2_jpegcompression *a);
+        int (*vidioc_g_enc_index)      (struct file *file, void *fh,
+                                        struct v4l2_enc_idx *a);
+        int (*vidioc_encoder_cmd)      (struct file *file, void *fh,
+                                        struct v4l2_encoder_cmd *a);
+        int (*vidioc_try_encoder_cmd)  (struct file *file, void *fh,
+                                        struct v4l2_encoder_cmd *a);
 
         /* Stream type-dependent parameter ioctls */
         int (*vidioc_g_parm)           (struct file *file, void *fh,