/* ------------------------------------------------------------------ */
/* debug help functions */
-struct v4l2_ioctl_info {
- unsigned int ioctl;
- u16 flags;
- const char * const name;
-};
-
-/* This control needs a priority check */
-#define INFO_FL_PRIO (1 << 0)
-/* This control can be valid if the filehandle passes a control handler. */
-#define INFO_FL_CTRL (1 << 1)
-
-#define IOCTL_INFO(_ioctl, _flags) [_IOC_NR(_ioctl)] = { \
- .ioctl = _ioctl, \
- .flags = _flags, \
- .name = #_ioctl, \
-}
-
-static struct v4l2_ioctl_info v4l2_ioctls[] = {
- IOCTL_INFO(VIDIOC_QUERYCAP, 0),
- IOCTL_INFO(VIDIOC_ENUM_FMT, 0),
- IOCTL_INFO(VIDIOC_G_FMT, 0),
- IOCTL_INFO(VIDIOC_S_FMT, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_REQBUFS, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_QUERYBUF, 0),
- IOCTL_INFO(VIDIOC_G_FBUF, 0),
- IOCTL_INFO(VIDIOC_S_FBUF, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_OVERLAY, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_QBUF, 0),
- IOCTL_INFO(VIDIOC_DQBUF, 0),
- IOCTL_INFO(VIDIOC_STREAMON, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_STREAMOFF, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_G_PARM, 0),
- IOCTL_INFO(VIDIOC_S_PARM, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_G_STD, 0),
- IOCTL_INFO(VIDIOC_S_STD, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_ENUMSTD, 0),
- IOCTL_INFO(VIDIOC_ENUMINPUT, 0),
- IOCTL_INFO(VIDIOC_G_CTRL, INFO_FL_CTRL),
- IOCTL_INFO(VIDIOC_S_CTRL, INFO_FL_PRIO | INFO_FL_CTRL),
- IOCTL_INFO(VIDIOC_G_TUNER, 0),
- IOCTL_INFO(VIDIOC_S_TUNER, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_G_AUDIO, 0),
- IOCTL_INFO(VIDIOC_S_AUDIO, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_QUERYCTRL, INFO_FL_CTRL),
- IOCTL_INFO(VIDIOC_QUERYMENU, INFO_FL_CTRL),
- IOCTL_INFO(VIDIOC_G_INPUT, 0),
- IOCTL_INFO(VIDIOC_S_INPUT, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_G_OUTPUT, 0),
- IOCTL_INFO(VIDIOC_S_OUTPUT, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_ENUMOUTPUT, 0),
- IOCTL_INFO(VIDIOC_G_AUDOUT, 0),
- IOCTL_INFO(VIDIOC_S_AUDOUT, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_G_MODULATOR, 0),
- IOCTL_INFO(VIDIOC_S_MODULATOR, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_G_FREQUENCY, 0),
- IOCTL_INFO(VIDIOC_S_FREQUENCY, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_CROPCAP, 0),
- IOCTL_INFO(VIDIOC_G_CROP, 0),
- IOCTL_INFO(VIDIOC_S_CROP, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_G_SELECTION, 0),
- IOCTL_INFO(VIDIOC_S_SELECTION, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_G_JPEGCOMP, 0),
- IOCTL_INFO(VIDIOC_S_JPEGCOMP, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_QUERYSTD, 0),
- IOCTL_INFO(VIDIOC_TRY_FMT, 0),
- IOCTL_INFO(VIDIOC_ENUMAUDIO, 0),
- IOCTL_INFO(VIDIOC_ENUMAUDOUT, 0),
- IOCTL_INFO(VIDIOC_G_PRIORITY, 0),
- IOCTL_INFO(VIDIOC_S_PRIORITY, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_G_SLICED_VBI_CAP, 0),
- IOCTL_INFO(VIDIOC_LOG_STATUS, 0),
- IOCTL_INFO(VIDIOC_G_EXT_CTRLS, INFO_FL_CTRL),
- IOCTL_INFO(VIDIOC_S_EXT_CTRLS, INFO_FL_PRIO | INFO_FL_CTRL),
- IOCTL_INFO(VIDIOC_TRY_EXT_CTRLS, 0),
- IOCTL_INFO(VIDIOC_ENUM_FRAMESIZES, 0),
- IOCTL_INFO(VIDIOC_ENUM_FRAMEINTERVALS, 0),
- IOCTL_INFO(VIDIOC_G_ENC_INDEX, 0),
- IOCTL_INFO(VIDIOC_ENCODER_CMD, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_TRY_ENCODER_CMD, 0),
- IOCTL_INFO(VIDIOC_DECODER_CMD, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_TRY_DECODER_CMD, 0),
-#ifdef CONFIG_VIDEO_ADV_DEBUG
- IOCTL_INFO(VIDIOC_DBG_S_REGISTER, 0),
- IOCTL_INFO(VIDIOC_DBG_G_REGISTER, 0),
-#endif
- IOCTL_INFO(VIDIOC_DBG_G_CHIP_IDENT, 0),
- IOCTL_INFO(VIDIOC_S_HW_FREQ_SEEK, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_ENUM_DV_PRESETS, 0),
- IOCTL_INFO(VIDIOC_S_DV_PRESET, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_G_DV_PRESET, 0),
- IOCTL_INFO(VIDIOC_QUERY_DV_PRESET, 0),
- IOCTL_INFO(VIDIOC_S_DV_TIMINGS, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_G_DV_TIMINGS, 0),
- IOCTL_INFO(VIDIOC_DQEVENT, 0),
- IOCTL_INFO(VIDIOC_SUBSCRIBE_EVENT, 0),
- IOCTL_INFO(VIDIOC_UNSUBSCRIBE_EVENT, 0),
- IOCTL_INFO(VIDIOC_CREATE_BUFS, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_PREPARE_BUF, 0),
- IOCTL_INFO(VIDIOC_ENUM_DV_TIMINGS, 0),
- IOCTL_INFO(VIDIOC_QUERY_DV_TIMINGS, 0),
- IOCTL_INFO(VIDIOC_DV_TIMINGS_CAP, 0),
-};
-#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
-
-bool v4l2_is_known_ioctl(unsigned int cmd)
-{
- if (_IOC_NR(cmd) >= V4L2_IOCTLS)
- return false;
- return v4l2_ioctls[_IOC_NR(cmd)].ioctl == cmd;
-}
-
-/* Common ioctl debug function. This function can be used by
- external ioctl messages as well as internal V4L ioctl */
-void v4l_printk_ioctl(unsigned int cmd)
-{
- char *dir, *type;
-
- switch (_IOC_TYPE(cmd)) {
- case 'd':
- type = "v4l2_int";
- break;
- case 'V':
- if (_IOC_NR(cmd) >= V4L2_IOCTLS) {
- type = "v4l2";
- break;
- }
- printk("%s", v4l2_ioctls[_IOC_NR(cmd)].name);
- return;
- default:
- type = "unknown";
- }
-
- switch (_IOC_DIR(cmd)) {
- case _IOC_NONE: dir = "--"; break;
- case _IOC_READ: dir = "r-"; break;
- case _IOC_WRITE: dir = "-w"; break;
- case _IOC_READ | _IOC_WRITE: dir = "rw"; break;
- default: dir = "*ERR*"; break;
- }
- printk("%s ioctl '%c', dir=%s, #%d (0x%08x)",
- type, _IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd);
-}
-EXPORT_SYMBOL(v4l_printk_ioctl);
-
static void dbgbuf(unsigned int cmd, struct video_device *vfd,
struct v4l2_buffer *p)
{
return -EINVAL;
}
+struct v4l2_ioctl_info {
+ unsigned int ioctl;
+ u16 flags;
+ const char * const name;
+};
+
+/* This control needs a priority check */
+#define INFO_FL_PRIO (1 << 0)
+/* This control can be valid if the filehandle passes a control handler. */
+#define INFO_FL_CTRL (1 << 1)
+
+#define IOCTL_INFO(_ioctl, _flags) [_IOC_NR(_ioctl)] = { \
+ .ioctl = _ioctl, \
+ .flags = _flags, \
+ .name = #_ioctl, \
+}
+
+static struct v4l2_ioctl_info v4l2_ioctls[] = {
+ IOCTL_INFO(VIDIOC_QUERYCAP, 0),
+ IOCTL_INFO(VIDIOC_ENUM_FMT, 0),
+ IOCTL_INFO(VIDIOC_G_FMT, 0),
+ IOCTL_INFO(VIDIOC_S_FMT, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_REQBUFS, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_QUERYBUF, 0),
+ IOCTL_INFO(VIDIOC_G_FBUF, 0),
+ IOCTL_INFO(VIDIOC_S_FBUF, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_OVERLAY, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_QBUF, 0),
+ IOCTL_INFO(VIDIOC_DQBUF, 0),
+ IOCTL_INFO(VIDIOC_STREAMON, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_STREAMOFF, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_G_PARM, 0),
+ IOCTL_INFO(VIDIOC_S_PARM, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_G_STD, 0),
+ IOCTL_INFO(VIDIOC_S_STD, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_ENUMSTD, 0),
+ IOCTL_INFO(VIDIOC_ENUMINPUT, 0),
+ IOCTL_INFO(VIDIOC_G_CTRL, INFO_FL_CTRL),
+ IOCTL_INFO(VIDIOC_S_CTRL, INFO_FL_PRIO | INFO_FL_CTRL),
+ IOCTL_INFO(VIDIOC_G_TUNER, 0),
+ IOCTL_INFO(VIDIOC_S_TUNER, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_G_AUDIO, 0),
+ IOCTL_INFO(VIDIOC_S_AUDIO, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_QUERYCTRL, INFO_FL_CTRL),
+ IOCTL_INFO(VIDIOC_QUERYMENU, INFO_FL_CTRL),
+ IOCTL_INFO(VIDIOC_G_INPUT, 0),
+ IOCTL_INFO(VIDIOC_S_INPUT, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_G_OUTPUT, 0),
+ IOCTL_INFO(VIDIOC_S_OUTPUT, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_ENUMOUTPUT, 0),
+ IOCTL_INFO(VIDIOC_G_AUDOUT, 0),
+ IOCTL_INFO(VIDIOC_S_AUDOUT, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_G_MODULATOR, 0),
+ IOCTL_INFO(VIDIOC_S_MODULATOR, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_G_FREQUENCY, 0),
+ IOCTL_INFO(VIDIOC_S_FREQUENCY, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_CROPCAP, 0),
+ IOCTL_INFO(VIDIOC_G_CROP, 0),
+ IOCTL_INFO(VIDIOC_S_CROP, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_G_SELECTION, 0),
+ IOCTL_INFO(VIDIOC_S_SELECTION, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_G_JPEGCOMP, 0),
+ IOCTL_INFO(VIDIOC_S_JPEGCOMP, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_QUERYSTD, 0),
+ IOCTL_INFO(VIDIOC_TRY_FMT, 0),
+ IOCTL_INFO(VIDIOC_ENUMAUDIO, 0),
+ IOCTL_INFO(VIDIOC_ENUMAUDOUT, 0),
+ IOCTL_INFO(VIDIOC_G_PRIORITY, 0),
+ IOCTL_INFO(VIDIOC_S_PRIORITY, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_G_SLICED_VBI_CAP, 0),
+ IOCTL_INFO(VIDIOC_LOG_STATUS, 0),
+ IOCTL_INFO(VIDIOC_G_EXT_CTRLS, INFO_FL_CTRL),
+ IOCTL_INFO(VIDIOC_S_EXT_CTRLS, INFO_FL_PRIO | INFO_FL_CTRL),
+ IOCTL_INFO(VIDIOC_TRY_EXT_CTRLS, 0),
+ IOCTL_INFO(VIDIOC_ENUM_FRAMESIZES, 0),
+ IOCTL_INFO(VIDIOC_ENUM_FRAMEINTERVALS, 0),
+ IOCTL_INFO(VIDIOC_G_ENC_INDEX, 0),
+ IOCTL_INFO(VIDIOC_ENCODER_CMD, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_TRY_ENCODER_CMD, 0),
+ IOCTL_INFO(VIDIOC_DECODER_CMD, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_TRY_DECODER_CMD, 0),
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ IOCTL_INFO(VIDIOC_DBG_S_REGISTER, 0),
+ IOCTL_INFO(VIDIOC_DBG_G_REGISTER, 0),
+#endif
+ IOCTL_INFO(VIDIOC_DBG_G_CHIP_IDENT, 0),
+ IOCTL_INFO(VIDIOC_S_HW_FREQ_SEEK, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_ENUM_DV_PRESETS, 0),
+ IOCTL_INFO(VIDIOC_S_DV_PRESET, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_G_DV_PRESET, 0),
+ IOCTL_INFO(VIDIOC_QUERY_DV_PRESET, 0),
+ IOCTL_INFO(VIDIOC_S_DV_TIMINGS, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_G_DV_TIMINGS, 0),
+ IOCTL_INFO(VIDIOC_DQEVENT, 0),
+ IOCTL_INFO(VIDIOC_SUBSCRIBE_EVENT, 0),
+ IOCTL_INFO(VIDIOC_UNSUBSCRIBE_EVENT, 0),
+ IOCTL_INFO(VIDIOC_CREATE_BUFS, INFO_FL_PRIO),
+ IOCTL_INFO(VIDIOC_PREPARE_BUF, 0),
+ IOCTL_INFO(VIDIOC_ENUM_DV_TIMINGS, 0),
+ IOCTL_INFO(VIDIOC_QUERY_DV_TIMINGS, 0),
+ IOCTL_INFO(VIDIOC_DV_TIMINGS_CAP, 0),
+};
+#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
+
+bool v4l2_is_known_ioctl(unsigned int cmd)
+{
+ if (_IOC_NR(cmd) >= V4L2_IOCTLS)
+ return false;
+ return v4l2_ioctls[_IOC_NR(cmd)].ioctl == cmd;
+}
+
+/* Common ioctl debug function. This function can be used by
+ external ioctl messages as well as internal V4L ioctl */
+void v4l_printk_ioctl(unsigned int cmd)
+{
+ char *dir, *type;
+
+ switch (_IOC_TYPE(cmd)) {
+ case 'd':
+ type = "v4l2_int";
+ break;
+ case 'V':
+ if (_IOC_NR(cmd) >= V4L2_IOCTLS) {
+ type = "v4l2";
+ break;
+ }
+ printk("%s", v4l2_ioctls[_IOC_NR(cmd)].name);
+ return;
+ default:
+ type = "unknown";
+ }
+
+ switch (_IOC_DIR(cmd)) {
+ case _IOC_NONE: dir = "--"; break;
+ case _IOC_READ: dir = "r-"; break;
+ case _IOC_WRITE: dir = "-w"; break;
+ case _IOC_READ | _IOC_WRITE: dir = "rw"; break;
+ default: dir = "*ERR*"; break;
+ }
+ printk("%s ioctl '%c', dir=%s, #%d (0x%08x)",
+ type, _IOC_TYPE(cmd), dir, _IOC_NR(cmd), cmd);
+}
+EXPORT_SYMBOL(v4l_printk_ioctl);
+
static long __video_do_ioctl(struct file *file,
unsigned int cmd, void *arg)
{