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[media] v4l2-dev: reorder checks into blocks of ioctls with similar properties

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This makes it easier to read and also ties in more closely with the
profile concept.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2012-09-14 07:06:08 -03:00 committed by Mauro Carvalho Chehab
parent 4b20259fa6
commit 90d0fc4985
1 changed files with 74 additions and 82 deletions
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156
drivers/media/v4l2-core/v4l2-dev.c
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@ -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);
}