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path: root/drivers/media
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-rw-r--r--drivers/media/v4l2-core/v4l2-dev.c156
1 files changed, 74 insertions, 82 deletions
diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c
index b437daa1f7d..a2df842e510 100644
--- a/drivers/media/v4l2-core/v4l2-dev.c
+++ b/drivers/media/v4l2-core/v4l2-dev.c
@@ -559,6 +559,8 @@ static void determine_valid_ioctls(struct video_device *vdev)
bitmap_zero(valid_ioctls, BASE_VIDIOC_PRIVATE);
+ /* vfl_type and vfl_dir independent ioctls */
+
SET_VALID_IOCTL(ops, VIDIOC_QUERYCAP, vidioc_querycap);
if (ops->vidioc_g_priority ||
test_bit(V4L2_FL_USE_FH_PRIO, &vdev->flags))
@@ -566,7 +568,49 @@ static void determine_valid_ioctls(struct video_device *vdev)
if (ops->vidioc_s_priority ||
test_bit(V4L2_FL_USE_FH_PRIO, &vdev->flags))
set_bit(_IOC_NR(VIDIOC_S_PRIORITY), valid_ioctls);
+ SET_VALID_IOCTL(ops, VIDIOC_REQBUFS, vidioc_reqbufs);
+ SET_VALID_IOCTL(ops, VIDIOC_QUERYBUF, vidioc_querybuf);
+ SET_VALID_IOCTL(ops, VIDIOC_QBUF, vidioc_qbuf);
+ SET_VALID_IOCTL(ops, VIDIOC_DQBUF, vidioc_dqbuf);
+ SET_VALID_IOCTL(ops, VIDIOC_STREAMON, vidioc_streamon);
+ SET_VALID_IOCTL(ops, VIDIOC_STREAMOFF, vidioc_streamoff);
+ /* Note: the control handler can also be passed through the filehandle,
+ and that can't be tested here. If the bit for these control ioctls
+ is set, then the ioctl is valid. But if it is 0, then it can still
+ be valid if the filehandle passed the control handler. */
+ if (vdev->ctrl_handler || ops->vidioc_queryctrl)
+ set_bit(_IOC_NR(VIDIOC_QUERYCTRL), valid_ioctls);
+ if (vdev->ctrl_handler || ops->vidioc_g_ctrl || ops->vidioc_g_ext_ctrls)
+ set_bit(_IOC_NR(VIDIOC_G_CTRL), valid_ioctls);
+ if (vdev->ctrl_handler || ops->vidioc_s_ctrl || ops->vidioc_s_ext_ctrls)
+ set_bit(_IOC_NR(VIDIOC_S_CTRL), valid_ioctls);
+ if (vdev->ctrl_handler || ops->vidioc_g_ext_ctrls)
+ set_bit(_IOC_NR(VIDIOC_G_EXT_CTRLS), valid_ioctls);
+ if (vdev->ctrl_handler || ops->vidioc_s_ext_ctrls)
+ set_bit(_IOC_NR(VIDIOC_S_EXT_CTRLS), valid_ioctls);
+ if (vdev->ctrl_handler || ops->vidioc_try_ext_ctrls)
+ set_bit(_IOC_NR(VIDIOC_TRY_EXT_CTRLS), valid_ioctls);
+ if (vdev->ctrl_handler || ops->vidioc_querymenu)
+ set_bit(_IOC_NR(VIDIOC_QUERYMENU), valid_ioctls);
+ SET_VALID_IOCTL(ops, VIDIOC_G_FREQUENCY, vidioc_g_frequency);
+ SET_VALID_IOCTL(ops, VIDIOC_S_FREQUENCY, vidioc_s_frequency);
+ SET_VALID_IOCTL(ops, VIDIOC_LOG_STATUS, vidioc_log_status);
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ SET_VALID_IOCTL(ops, VIDIOC_DBG_G_REGISTER, vidioc_g_register);
+ SET_VALID_IOCTL(ops, VIDIOC_DBG_S_REGISTER, vidioc_s_register);
+#endif
+ SET_VALID_IOCTL(ops, VIDIOC_DBG_G_CHIP_IDENT, vidioc_g_chip_ident);
+ /* yes, really vidioc_subscribe_event */
+ SET_VALID_IOCTL(ops, VIDIOC_DQEVENT, vidioc_subscribe_event);
+ SET_VALID_IOCTL(ops, VIDIOC_SUBSCRIBE_EVENT, vidioc_subscribe_event);
+ SET_VALID_IOCTL(ops, VIDIOC_UNSUBSCRIBE_EVENT, vidioc_unsubscribe_event);
+ SET_VALID_IOCTL(ops, VIDIOC_CREATE_BUFS, vidioc_create_bufs);
+ SET_VALID_IOCTL(ops, VIDIOC_PREPARE_BUF, vidioc_prepare_buf);
+ if (ops->vidioc_enum_freq_bands || ops->vidioc_g_tuner || ops->vidioc_g_modulator)
+ set_bit(_IOC_NR(VIDIOC_ENUM_FREQ_BANDS), valid_ioctls);
+
if (is_vid) {
+ /* video specific ioctls */
if ((is_rx && (ops->vidioc_enum_fmt_vid_cap ||
ops->vidioc_enum_fmt_vid_cap_mplane ||
ops->vidioc_enum_fmt_vid_overlay)) ||
@@ -594,7 +638,20 @@ static void determine_valid_ioctls(struct video_device *vdev)
ops->vidioc_try_fmt_vid_out_mplane ||
ops->vidioc_try_fmt_vid_out_overlay)))
set_bit(_IOC_NR(VIDIOC_TRY_FMT), valid_ioctls);
+ SET_VALID_IOCTL(ops, VIDIOC_OVERLAY, vidioc_overlay);
+ SET_VALID_IOCTL(ops, VIDIOC_G_FBUF, vidioc_g_fbuf);
+ SET_VALID_IOCTL(ops, VIDIOC_S_FBUF, vidioc_s_fbuf);
+ SET_VALID_IOCTL(ops, VIDIOC_G_JPEGCOMP, vidioc_g_jpegcomp);
+ SET_VALID_IOCTL(ops, VIDIOC_S_JPEGCOMP, vidioc_s_jpegcomp);
+ SET_VALID_IOCTL(ops, VIDIOC_G_ENC_INDEX, vidioc_g_enc_index);
+ SET_VALID_IOCTL(ops, VIDIOC_ENCODER_CMD, vidioc_encoder_cmd);
+ SET_VALID_IOCTL(ops, VIDIOC_TRY_ENCODER_CMD, vidioc_try_encoder_cmd);
+ SET_VALID_IOCTL(ops, VIDIOC_DECODER_CMD, vidioc_decoder_cmd);
+ SET_VALID_IOCTL(ops, VIDIOC_TRY_DECODER_CMD, vidioc_try_decoder_cmd);
+ SET_VALID_IOCTL(ops, VIDIOC_ENUM_FRAMESIZES, vidioc_enum_framesizes);
+ SET_VALID_IOCTL(ops, VIDIOC_ENUM_FRAMEINTERVALS, vidioc_enum_frameintervals);
} else if (is_vbi) {
+ /* vbi specific ioctls */
if ((is_rx && (ops->vidioc_g_fmt_vbi_cap ||
ops->vidioc_g_fmt_sliced_vbi_cap)) ||
(is_tx && (ops->vidioc_g_fmt_vbi_out ||
@@ -610,33 +667,25 @@ static void determine_valid_ioctls(struct video_device *vdev)
(is_tx && (ops->vidioc_try_fmt_vbi_out ||
ops->vidioc_try_fmt_sliced_vbi_out)))
set_bit(_IOC_NR(VIDIOC_TRY_FMT), valid_ioctls);
+ SET_VALID_IOCTL(ops, VIDIOC_G_SLICED_VBI_CAP, vidioc_g_sliced_vbi_cap);
}
- SET_VALID_IOCTL(ops, VIDIOC_REQBUFS, vidioc_reqbufs);
- SET_VALID_IOCTL(ops, VIDIOC_QUERYBUF, vidioc_querybuf);
- SET_VALID_IOCTL(ops, VIDIOC_QBUF, vidioc_qbuf);
- SET_VALID_IOCTL(ops, VIDIOC_DQBUF, vidioc_dqbuf);
- if (is_vid) {
- SET_VALID_IOCTL(ops, VIDIOC_OVERLAY, vidioc_overlay);
- SET_VALID_IOCTL(ops, VIDIOC_G_FBUF, vidioc_g_fbuf);
- SET_VALID_IOCTL(ops, VIDIOC_S_FBUF, vidioc_s_fbuf);
- }
- SET_VALID_IOCTL(ops, VIDIOC_STREAMON, vidioc_streamon);
- SET_VALID_IOCTL(ops, VIDIOC_STREAMOFF, vidioc_streamoff);
if (!is_radio) {
+ /* ioctls valid for video or vbi */
if (ops->vidioc_s_std)
set_bit(_IOC_NR(VIDIOC_ENUMSTD), valid_ioctls);
if (ops->vidioc_g_std || vdev->current_norm)
set_bit(_IOC_NR(VIDIOC_G_STD), valid_ioctls);
SET_VALID_IOCTL(ops, VIDIOC_S_STD, vidioc_s_std);
- if (is_rx)
- SET_VALID_IOCTL(ops, VIDIOC_QUERYSTD, vidioc_querystd);
if (is_rx) {
+ SET_VALID_IOCTL(ops, VIDIOC_QUERYSTD, vidioc_querystd);
SET_VALID_IOCTL(ops, VIDIOC_ENUMINPUT, vidioc_enum_input);
SET_VALID_IOCTL(ops, VIDIOC_G_INPUT, vidioc_g_input);
SET_VALID_IOCTL(ops, VIDIOC_S_INPUT, vidioc_s_input);
SET_VALID_IOCTL(ops, VIDIOC_ENUMAUDIO, vidioc_enumaudio);
SET_VALID_IOCTL(ops, VIDIOC_G_AUDIO, vidioc_g_audio);
SET_VALID_IOCTL(ops, VIDIOC_S_AUDIO, vidioc_s_audio);
+ SET_VALID_IOCTL(ops, VIDIOC_QUERY_DV_PRESET, vidioc_query_dv_preset);
+ SET_VALID_IOCTL(ops, VIDIOC_QUERY_DV_TIMINGS, vidioc_query_dv_timings);
}
if (is_tx) {
SET_VALID_IOCTL(ops, VIDIOC_ENUMOUTPUT, vidioc_enum_output);
@@ -646,30 +695,6 @@ static void determine_valid_ioctls(struct video_device *vdev)
SET_VALID_IOCTL(ops, VIDIOC_G_AUDOUT, vidioc_g_audout);
SET_VALID_IOCTL(ops, VIDIOC_S_AUDOUT, vidioc_s_audout);
}
- }
- /* Note: the control handler can also be passed through the filehandle,
- and that can't be tested here. If the bit for these control ioctls
- is set, then the ioctl is valid. But if it is 0, then it can still
- be valid if the filehandle passed the control handler. */
- if (vdev->ctrl_handler || ops->vidioc_queryctrl)
- set_bit(_IOC_NR(VIDIOC_QUERYCTRL), valid_ioctls);
- if (vdev->ctrl_handler || ops->vidioc_g_ctrl || ops->vidioc_g_ext_ctrls)
- set_bit(_IOC_NR(VIDIOC_G_CTRL), valid_ioctls);
- if (vdev->ctrl_handler || ops->vidioc_s_ctrl || ops->vidioc_s_ext_ctrls)
- set_bit(_IOC_NR(VIDIOC_S_CTRL), valid_ioctls);
- if (vdev->ctrl_handler || ops->vidioc_g_ext_ctrls)
- set_bit(_IOC_NR(VIDIOC_G_EXT_CTRLS), valid_ioctls);
- if (vdev->ctrl_handler || ops->vidioc_s_ext_ctrls)
- set_bit(_IOC_NR(VIDIOC_S_EXT_CTRLS), valid_ioctls);
- if (vdev->ctrl_handler || ops->vidioc_try_ext_ctrls)
- set_bit(_IOC_NR(VIDIOC_TRY_EXT_CTRLS), valid_ioctls);
- if (vdev->ctrl_handler || ops->vidioc_querymenu)
- set_bit(_IOC_NR(VIDIOC_QUERYMENU), valid_ioctls);
- if (is_tx) {
- SET_VALID_IOCTL(ops, VIDIOC_G_MODULATOR, vidioc_g_modulator);
- SET_VALID_IOCTL(ops, VIDIOC_S_MODULATOR, vidioc_s_modulator);
- }
- if (!is_radio) {
if (ops->vidioc_g_crop || ops->vidioc_g_selection)
set_bit(_IOC_NR(VIDIOC_G_CROP), valid_ioctls);
if (ops->vidioc_s_crop || ops->vidioc_s_selection)
@@ -678,63 +703,30 @@ static void determine_valid_ioctls(struct video_device *vdev)
SET_VALID_IOCTL(ops, VIDIOC_S_SELECTION, vidioc_s_selection);
if (ops->vidioc_cropcap || ops->vidioc_g_selection)
set_bit(_IOC_NR(VIDIOC_CROPCAP), valid_ioctls);
- }
- if (is_vid) {
- SET_VALID_IOCTL(ops, VIDIOC_G_JPEGCOMP, vidioc_g_jpegcomp);
- SET_VALID_IOCTL(ops, VIDIOC_S_JPEGCOMP, vidioc_s_jpegcomp);
- SET_VALID_IOCTL(ops, VIDIOC_G_ENC_INDEX, vidioc_g_enc_index);
- SET_VALID_IOCTL(ops, VIDIOC_ENCODER_CMD, vidioc_encoder_cmd);
- SET_VALID_IOCTL(ops, VIDIOC_TRY_ENCODER_CMD, vidioc_try_encoder_cmd);
- SET_VALID_IOCTL(ops, VIDIOC_DECODER_CMD, vidioc_decoder_cmd);
- SET_VALID_IOCTL(ops, VIDIOC_TRY_DECODER_CMD, vidioc_try_decoder_cmd);
- }
- if (!is_radio) {
if (ops->vidioc_g_parm || (vdev->vfl_type == VFL_TYPE_GRABBER &&
(ops->vidioc_g_std || vdev->current_norm)))
set_bit(_IOC_NR(VIDIOC_G_PARM), valid_ioctls);
SET_VALID_IOCTL(ops, VIDIOC_S_PARM, vidioc_s_parm);
- }
- if (is_rx) {
- SET_VALID_IOCTL(ops, VIDIOC_G_TUNER, vidioc_g_tuner);
- SET_VALID_IOCTL(ops, VIDIOC_S_TUNER, vidioc_s_tuner);
- }
- SET_VALID_IOCTL(ops, VIDIOC_G_FREQUENCY, vidioc_g_frequency);
- SET_VALID_IOCTL(ops, VIDIOC_S_FREQUENCY, vidioc_s_frequency);
- if (is_vbi)
- SET_VALID_IOCTL(ops, VIDIOC_G_SLICED_VBI_CAP, vidioc_g_sliced_vbi_cap);
- SET_VALID_IOCTL(ops, VIDIOC_LOG_STATUS, vidioc_log_status);
-#ifdef CONFIG_VIDEO_ADV_DEBUG
- SET_VALID_IOCTL(ops, VIDIOC_DBG_G_REGISTER, vidioc_g_register);
- SET_VALID_IOCTL(ops, VIDIOC_DBG_S_REGISTER, vidioc_s_register);
-#endif
- SET_VALID_IOCTL(ops, VIDIOC_DBG_G_CHIP_IDENT, vidioc_g_chip_ident);
- if (is_rx)
- SET_VALID_IOCTL(ops, VIDIOC_S_HW_FREQ_SEEK, vidioc_s_hw_freq_seek);
- if (is_vid) {
- SET_VALID_IOCTL(ops, VIDIOC_ENUM_FRAMESIZES, vidioc_enum_framesizes);
- SET_VALID_IOCTL(ops, VIDIOC_ENUM_FRAMEINTERVALS, vidioc_enum_frameintervals);
- }
- if (!is_radio) {
SET_VALID_IOCTL(ops, VIDIOC_ENUM_DV_PRESETS, vidioc_enum_dv_presets);
SET_VALID_IOCTL(ops, VIDIOC_S_DV_PRESET, vidioc_s_dv_preset);
SET_VALID_IOCTL(ops, VIDIOC_G_DV_PRESET, vidioc_g_dv_preset);
- if (is_rx)
- SET_VALID_IOCTL(ops, VIDIOC_QUERY_DV_PRESET, vidioc_query_dv_preset);
SET_VALID_IOCTL(ops, VIDIOC_S_DV_TIMINGS, vidioc_s_dv_timings);
SET_VALID_IOCTL(ops, VIDIOC_G_DV_TIMINGS, vidioc_g_dv_timings);
SET_VALID_IOCTL(ops, VIDIOC_ENUM_DV_TIMINGS, vidioc_enum_dv_timings);
- if (is_rx)
- SET_VALID_IOCTL(ops, VIDIOC_QUERY_DV_TIMINGS, vidioc_query_dv_timings);
SET_VALID_IOCTL(ops, VIDIOC_DV_TIMINGS_CAP, vidioc_dv_timings_cap);
}
- /* yes, really vidioc_subscribe_event */
- SET_VALID_IOCTL(ops, VIDIOC_DQEVENT, vidioc_subscribe_event);
- SET_VALID_IOCTL(ops, VIDIOC_SUBSCRIBE_EVENT, vidioc_subscribe_event);
- SET_VALID_IOCTL(ops, VIDIOC_UNSUBSCRIBE_EVENT, vidioc_unsubscribe_event);
- SET_VALID_IOCTL(ops, VIDIOC_CREATE_BUFS, vidioc_create_bufs);
- SET_VALID_IOCTL(ops, VIDIOC_PREPARE_BUF, vidioc_prepare_buf);
- if (ops->vidioc_enum_freq_bands || ops->vidioc_g_tuner || ops->vidioc_g_modulator)
- set_bit(_IOC_NR(VIDIOC_ENUM_FREQ_BANDS), valid_ioctls);
+ if (is_tx) {
+ /* transmitter only ioctls */
+ SET_VALID_IOCTL(ops, VIDIOC_G_MODULATOR, vidioc_g_modulator);
+ SET_VALID_IOCTL(ops, VIDIOC_S_MODULATOR, vidioc_s_modulator);
+ }
+ if (is_rx) {
+ /* receiver only ioctls */
+ SET_VALID_IOCTL(ops, VIDIOC_G_TUNER, vidioc_g_tuner);
+ SET_VALID_IOCTL(ops, VIDIOC_S_TUNER, vidioc_s_tuner);
+ SET_VALID_IOCTL(ops, VIDIOC_S_HW_FREQ_SEEK, vidioc_s_hw_freq_seek);
+ }
+
bitmap_andnot(vdev->valid_ioctls, valid_ioctls, vdev->valid_ioctls,
BASE_VIDIOC_PRIVATE);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 11:59:13 +0000