Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgart
[pandora-kernel.git] / drivers / media / video / usbvision / usbvision-video.c
index 864446c..7243337 100644 (file)
@@ -204,7 +204,7 @@ MODULE_ALIAS(DRIVER_ALIAS);
 
 static inline struct usb_usbvision *cd_to_usbvision(struct class_device *cd)
 {
-       struct video_device *vdev = to_video_device(cd);
+       struct video_device *vdev = container_of(cd, struct video_device, class_dev);
        return video_get_drvdata(vdev);
 }
 
@@ -214,81 +214,85 @@ static ssize_t show_version(struct class_device *cd, char *buf)
 }
 static CLASS_DEVICE_ATTR(version, S_IRUGO, show_version, NULL);
 
-static ssize_t show_model(struct class_device *class_dev, char *buf)
+static ssize_t show_model(struct class_device *cd, char *buf)
 {
-       struct video_device *vdev = to_video_device(class_dev);
+       struct video_device *vdev = container_of(cd, struct video_device, class_dev);
        struct usb_usbvision *usbvision = video_get_drvdata(vdev);
        return sprintf(buf, "%s\n", usbvision_device_data[usbvision->DevModel].ModelString);
 }
 static CLASS_DEVICE_ATTR(model, S_IRUGO, show_model, NULL);
 
-static ssize_t show_hue(struct class_device *class_dev, char *buf)
+static ssize_t show_hue(struct class_device *cd, char *buf)
 {
-       struct video_device *vdev = to_video_device(class_dev);
+       struct video_device *vdev = container_of(cd, struct video_device, class_dev);
        struct usb_usbvision *usbvision = video_get_drvdata(vdev);
        struct v4l2_control ctrl;
        ctrl.id = V4L2_CID_HUE;
        ctrl.value = 0;
-       call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl);
+       if(usbvision->user)
+               call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl);
        return sprintf(buf, "%d\n", ctrl.value >> 8);
 }
 static CLASS_DEVICE_ATTR(hue, S_IRUGO, show_hue, NULL);
 
-static ssize_t show_contrast(struct class_device *class_dev, char *buf)
+static ssize_t show_contrast(struct class_device *cd, char *buf)
 {
-       struct video_device *vdev = to_video_device(class_dev);
+       struct video_device *vdev = container_of(cd, struct video_device, class_dev);
        struct usb_usbvision *usbvision = video_get_drvdata(vdev);
        struct v4l2_control ctrl;
        ctrl.id = V4L2_CID_CONTRAST;
        ctrl.value = 0;
-       call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl);
+       if(usbvision->user)
+               call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl);
        return sprintf(buf, "%d\n", ctrl.value >> 8);
 }
 static CLASS_DEVICE_ATTR(contrast, S_IRUGO, show_contrast, NULL);
 
-static ssize_t show_brightness(struct class_device *class_dev, char *buf)
+static ssize_t show_brightness(struct class_device *cd, char *buf)
 {
-       struct video_device *vdev = to_video_device(class_dev);
+       struct video_device *vdev = container_of(cd, struct video_device, class_dev);
        struct usb_usbvision *usbvision = video_get_drvdata(vdev);
        struct v4l2_control ctrl;
        ctrl.id = V4L2_CID_BRIGHTNESS;
        ctrl.value = 0;
-       call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl);
+       if(usbvision->user)
+               call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl);
        return sprintf(buf, "%d\n", ctrl.value >> 8);
 }
 static CLASS_DEVICE_ATTR(brightness, S_IRUGO, show_brightness, NULL);
 
-static ssize_t show_saturation(struct class_device *class_dev, char *buf)
+static ssize_t show_saturation(struct class_device *cd, char *buf)
 {
-       struct video_device *vdev = to_video_device(class_dev);
+       struct video_device *vdev = container_of(cd, struct video_device, class_dev);
        struct usb_usbvision *usbvision = video_get_drvdata(vdev);
        struct v4l2_control ctrl;
        ctrl.id = V4L2_CID_SATURATION;
        ctrl.value = 0;
-       call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl);
+       if(usbvision->user)
+               call_i2c_clients(usbvision, VIDIOC_G_CTRL, &ctrl);
        return sprintf(buf, "%d\n", ctrl.value >> 8);
 }
 static CLASS_DEVICE_ATTR(saturation, S_IRUGO, show_saturation, NULL);
 
-static ssize_t show_streaming(struct class_device *class_dev, char *buf)
+static ssize_t show_streaming(struct class_device *cd, char *buf)
 {
-       struct video_device *vdev = to_video_device(class_dev);
+       struct video_device *vdev = container_of(cd, struct video_device, class_dev);
        struct usb_usbvision *usbvision = video_get_drvdata(vdev);
        return sprintf(buf, "%s\n", YES_NO(usbvision->streaming==Stream_On?1:0));
 }
 static CLASS_DEVICE_ATTR(streaming, S_IRUGO, show_streaming, NULL);
 
-static ssize_t show_compression(struct class_device *class_dev, char *buf)
+static ssize_t show_compression(struct class_device *cd, char *buf)
 {
-       struct video_device *vdev = to_video_device(class_dev);
+       struct video_device *vdev = container_of(cd, struct video_device, class_dev);
        struct usb_usbvision *usbvision = video_get_drvdata(vdev);
        return sprintf(buf, "%s\n", YES_NO(usbvision->isocMode==ISOC_MODE_COMPRESS));
 }
 static CLASS_DEVICE_ATTR(compression, S_IRUGO, show_compression, NULL);
 
-static ssize_t show_device_bridge(struct class_device *class_dev, char *buf)
+static ssize_t show_device_bridge(struct class_device *cd, char *buf)
 {
-       struct video_device *vdev = to_video_device(class_dev);
+       struct video_device *vdev = container_of(cd, struct video_device, class_dev);
        struct usb_usbvision *usbvision = video_get_drvdata(vdev);
        return sprintf(buf, "%d\n", usbvision->bridgeType);
 }
@@ -297,31 +301,71 @@ static CLASS_DEVICE_ATTR(bridge, S_IRUGO, show_device_bridge, NULL);
 static void usbvision_create_sysfs(struct video_device *vdev)
 {
        int res;
-       if (vdev) {
-               res=video_device_create_file(vdev, &class_device_attr_version);
-               res=video_device_create_file(vdev, &class_device_attr_model);
-               res=video_device_create_file(vdev, &class_device_attr_hue);
-               res=video_device_create_file(vdev, &class_device_attr_contrast);
-               res=video_device_create_file(vdev, &class_device_attr_brightness);
-               res=video_device_create_file(vdev, &class_device_attr_saturation);
-               res=video_device_create_file(vdev, &class_device_attr_streaming);
-               res=video_device_create_file(vdev, &class_device_attr_compression);
-               res=video_device_create_file(vdev, &class_device_attr_bridge);
-       }
+       if (!vdev)
+               return;
+       do {
+               res=class_device_create_file(&vdev->class_dev,
+                                            &class_device_attr_version);
+               if (res<0)
+                       break;
+               res=class_device_create_file(&vdev->class_dev,
+                                            &class_device_attr_model);
+               if (res<0)
+                       break;
+               res=class_device_create_file(&vdev->class_dev,
+                                            &class_device_attr_hue);
+               if (res<0)
+                       break;
+               res=class_device_create_file(&vdev->class_dev,
+                                            &class_device_attr_contrast);
+               if (res<0)
+                       break;
+               res=class_device_create_file(&vdev->class_dev,
+                                            &class_device_attr_brightness);
+               if (res<0)
+                       break;
+               res=class_device_create_file(&vdev->class_dev,
+                                            &class_device_attr_saturation);
+               if (res<0)
+                       break;
+               res=class_device_create_file(&vdev->class_dev,
+                                            &class_device_attr_streaming);
+               if (res<0)
+                       break;
+               res=class_device_create_file(&vdev->class_dev,
+                                            &class_device_attr_compression);
+               if (res<0)
+                       break;
+               res=class_device_create_file(&vdev->class_dev,
+                                            &class_device_attr_bridge);
+               if (res>=0)
+                       return;
+       } while (0);
+
+       err("%s error: %d\n", __FUNCTION__, res);
 }
 
 static void usbvision_remove_sysfs(struct video_device *vdev)
 {
        if (vdev) {
-               video_device_remove_file(vdev, &class_device_attr_version);
-               video_device_remove_file(vdev, &class_device_attr_model);
-               video_device_remove_file(vdev, &class_device_attr_hue);
-               video_device_remove_file(vdev, &class_device_attr_contrast);
-               video_device_remove_file(vdev, &class_device_attr_brightness);
-               video_device_remove_file(vdev, &class_device_attr_saturation);
-               video_device_remove_file(vdev, &class_device_attr_streaming);
-               video_device_remove_file(vdev, &class_device_attr_compression);
-               video_device_remove_file(vdev, &class_device_attr_bridge);
+               class_device_remove_file(&vdev->class_dev,
+                                        &class_device_attr_version);
+               class_device_remove_file(&vdev->class_dev,
+                                        &class_device_attr_model);
+               class_device_remove_file(&vdev->class_dev,
+                                        &class_device_attr_hue);
+               class_device_remove_file(&vdev->class_dev,
+                                        &class_device_attr_contrast);
+               class_device_remove_file(&vdev->class_dev,
+                                        &class_device_attr_brightness);
+               class_device_remove_file(&vdev->class_dev,
+                                        &class_device_attr_saturation);
+               class_device_remove_file(&vdev->class_dev,
+                                        &class_device_attr_streaming);
+               class_device_remove_file(&vdev->class_dev,
+                                        &class_device_attr_compression);
+               class_device_remove_file(&vdev->class_dev,
+                                        &class_device_attr_bridge);
        }
 }
 
@@ -353,20 +397,15 @@ static int usbvision_v4l2_open(struct inode *inode, struct file *file)
                if(!errCode) {
                        /* Allocate memory for the scratch ring buffer */
                        errCode = usbvision_scratch_alloc(usbvision);
-                       if(!errCode) {
-                               /* Allocate memory for the USB S buffers */
-                               errCode = usbvision_sbuf_alloc(usbvision);
-                               if ((!errCode) && (usbvision->isocMode==ISOC_MODE_COMPRESS)) {
-                                       /* Allocate intermediate decompression buffers only if needed */
-                                       errCode = usbvision_decompress_alloc(usbvision);
-                               }
+                       if ((!errCode) && (isocMode==ISOC_MODE_COMPRESS)) {
+                               /* Allocate intermediate decompression buffers only if needed */
+                               errCode = usbvision_decompress_alloc(usbvision);
                        }
                }
                if (errCode) {
                        /* Deallocate all buffers if trouble */
                        usbvision_frames_free(usbvision);
                        usbvision_scratch_free(usbvision);
-                       usbvision_sbuf_free(usbvision);
                        usbvision_decompress_free(usbvision);
                }
        }
@@ -437,9 +476,8 @@ static int usbvision_v4l2_close(struct inode *inode, struct file *file)
        usbvision_stop_isoc(usbvision);
 
        usbvision_decompress_free(usbvision);
-       usbvision_rvfree(usbvision->fbuf, usbvision->fbuf_size);
+       usbvision_frames_free(usbvision);
        usbvision_scratch_free(usbvision);
-       usbvision_sbuf_free(usbvision);
 
        usbvision->user--;
 
@@ -1042,7 +1080,6 @@ static ssize_t usbvision_v4l2_read(struct file *file, char *buf,
        int noblock = file->f_flags & O_NONBLOCK;
        unsigned long lock_flags;
 
-       int frmx = -1;
        int ret,i;
        struct usbvision_frame *frame;
 
@@ -1117,7 +1154,7 @@ static ssize_t usbvision_v4l2_read(struct file *file, char *buf,
                frame->bytes_read = 0;
 
                /* Mark it as available to be used again. */
-               usbvision->frame[frmx].grabstate = FrameState_Unused;
+               frame->grabstate = FrameState_Unused;
 /*     } */
 
        return count;
@@ -1884,7 +1921,7 @@ static struct usb_driver usbvision_driver = {
  * This procedure preprocesses CustomDevice parameter if any
  *
  */
-void customdevice_process(void)
+static void customdevice_process(void)
 {
        usbvision_device_data[0]=usbvision_device_data[1];
        usbvision_table[0]=usbvision_table[1];
@@ -1939,22 +1976,22 @@ void customdevice_process(void)
                {
                        case 'P':
                                PDEBUG(DBG_PROBE, "VideoNorm=PAL");
-                               usbvision_device_data[0].VideoNorm=VIDEO_MODE_PAL;
+                               usbvision_device_data[0].VideoNorm=V4L2_STD_PAL;
                                break;
 
                        case 'S':
                                PDEBUG(DBG_PROBE, "VideoNorm=SECAM");
-                               usbvision_device_data[0].VideoNorm=VIDEO_MODE_SECAM;
+                               usbvision_device_data[0].VideoNorm=V4L2_STD_SECAM;
                                break;
 
                        case 'N':
                                PDEBUG(DBG_PROBE, "VideoNorm=NTSC");
-                               usbvision_device_data[0].VideoNorm=VIDEO_MODE_NTSC;
+                               usbvision_device_data[0].VideoNorm=V4L2_STD_NTSC;
                                break;
 
                        default:
                                PDEBUG(DBG_PROBE, "VideoNorm=PAL (by default)");
-                               usbvision_device_data[0].VideoNorm=VIDEO_MODE_PAL;
+                               usbvision_device_data[0].VideoNorm=V4L2_STD_PAL;
                                break;
                }
                goto2next(parse);