From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
drivers/media/video/v4l2-ioctl.c | 430 +++++++++++++++++++-------------------
1 file changed, 220 insertions(+), 210 deletions(-)
diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c
index ab4a743..2a5ed40 100644
--- a/drivers/media/video/v4l2-ioctl.c
+++ b/drivers/media/video/v4l2-ioctl.c
@@ -364,6 +364,68 @@ static void v4l_print_buftype(const void *arg, bool write_only)
pr_cont("type=%s\n", prt_names(*(u32 *)arg, v4l2_type_names));
}
+static void v4l_print_modulator(const void *arg, bool write_only)
+{
+ const struct v4l2_modulator *p = arg;
+
+ if (write_only)
+ pr_cont("index=%u, txsubchans=0x%x", p->index, p->txsubchans);
+ else
+ pr_cont("index=%u, name=%s, capability=0x%x, "
+ "rangelow=%u, rangehigh=%u, txsubchans=0x%x\n",
+ p->index, p->name, p->capability,
+ p->rangelow, p->rangehigh, p->txsubchans);
+}
+
+static void v4l_print_tuner(const void *arg, bool write_only)
+{
+ const struct v4l2_tuner *p = arg;
+
+ if (write_only)
+ pr_cont("index=%u, audmode=%u\n", p->index, p->audmode);
+ else
+ pr_cont("index=%u, name=%s, type=%u, capability=0x%x, "
+ "rangelow=%u, rangehigh=%u, signal=%u, afc=%d, "
+ "rxsubchans=0x%x, audmode=%u\n",
+ p->index, p->name, p->type,
+ p->capability, p->rangelow,
+ p->rangehigh, p->signal, p->afc,
+ p->rxsubchans, p->audmode);
+}
+
+static void v4l_print_frequency(const void *arg, bool write_only)
+{
+ const struct v4l2_frequency *p = arg;
+
+ pr_cont("tuner=%u, type=%u, frequency=%u\n",
+ p->tuner, p->type, p->frequency);
+}
+
+static void v4l_print_standard(const void *arg, bool write_only)
+{
+ const struct v4l2_standard *p = arg;
+
+ pr_cont("index=%u, id=0x%Lx, name=%s, fps=%u/%u, "
+ "framelines=%u\n", p->index,
+ (unsigned long long)p->id, p->name,
+ p->frameperiod.numerator,
+ p->frameperiod.denominator,
+ p->framelines);
+}
+
+static void v4l_print_std(const void *arg, bool write_only)
+{
+ pr_cont("std=0x%08Lx\n", *(const long long unsigned *)arg);
+}
+
+static void v4l_print_hw_freq_seek(const void *arg, bool write_only)
+{
+ const struct v4l2_hw_freq_seek *p = arg;
+
+ pr_cont("tuner=%u, type=%u, seek_upward=%u, wrap_around=%u, spacing=%u\n",
+ p->tuner, p->type, p->seek_upward, p->wrap_around, p->spacing);
+}
+
static void v4l_print_u32(const void *arg, bool write_only)
{
pr_cont("value=%u\n", *(const u32 *)arg);
@@ -861,6 +923,153 @@ static int v4l_streamoff(const struct v4l2_ioctl_ops *ops,
return ops->vidioc_streamoff(file, fh, *(unsigned int *)arg);
}
+static int v4l_g_tuner(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ struct v4l2_tuner *p = arg;
+
+ p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
+ V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
+ return ops->vidioc_g_tuner(file, fh, p);
+}
+
+static int v4l_s_tuner(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ struct v4l2_tuner *p = arg;
+
+ p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
+ V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
+ return ops->vidioc_s_tuner(file, fh, p);
+}
+
+static int v4l_g_frequency(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ struct v4l2_frequency *p = arg;
+
+ p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
+ V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
+ return ops->vidioc_g_frequency(file, fh, p);
+}
+
+static int v4l_s_frequency(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ struct v4l2_frequency *p = arg;
+ enum v4l2_tuner_type type;
+
+ type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
+ V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
+ if (p->type != type)
+ return -EINVAL;
+ return ops->vidioc_s_frequency(file, fh, p);
+}
+
+static int v4l_enumstd(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ struct v4l2_standard *p = arg;
+ v4l2_std_id id = vfd->tvnorms, curr_id = 0;
+ unsigned int index = p->index, i, j = 0;
+ const char *descr = "";
+
+ /* Return norm array in a canonical way */
+ for (i = 0; i <= index && id; i++) {
+ /* last std value in the standards array is 0, so this
+ while always ends there since (id & 0) == 0. */
+ while ((id & standards[j].std) != standards[j].std)
+ j++;
+ curr_id = standards[j].std;
+ descr = standards[j].descr;
+ j++;
+ if (curr_id == 0)
+ break;
+ if (curr_id != V4L2_STD_PAL &&
+ curr_id != V4L2_STD_SECAM &&
+ curr_id != V4L2_STD_NTSC)
+ id &= ~curr_id;
+ }
+ if (i <= index)
+ return -EINVAL;
+
+ v4l2_video_std_construct(p, curr_id, descr);
+ return 0;
+}
+
+static int v4l_g_std(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ v4l2_std_id *id = arg;
+
+ /* Calls the specific handler */
+ if (ops->vidioc_g_std)
+ return ops->vidioc_g_std(file, fh, arg);
+ if (vfd->current_norm) {
+ *id = vfd->current_norm;
+ return 0;
+ }
+ return -ENOTTY;
+}
+
+static int v4l_s_std(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ v4l2_std_id *id = arg, norm;
+ int ret;
+
+ norm = (*id) & vfd->tvnorms;
+ if (vfd->tvnorms && !norm) /* Check if std is supported */
+ return -EINVAL;
+
+ /* Calls the specific handler */
+ ret = ops->vidioc_s_std(file, fh, &norm);
+
+ /* Updates standard information */
+ if (ret >= 0)
+ vfd->current_norm = norm;
+ return ret;
+}
+
+static int v4l_querystd(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ v4l2_std_id *p = arg;
+
+ /*
+ * If nothing detected, it should return all supported
+ * standard.
+ * Drivers just need to mask the std argument, in order
+ * to remove the standards that don't apply from the mask.
+ * This means that tuners, audio and video decoders can join
+ * their efforts to improve the standards detection.
+ */
+ *p = vfd->tvnorms;
+ return ops->vidioc_querystd(file, fh, arg);
+}
+
+static int v4l_s_hw_freq_seek(const struct v4l2_ioctl_ops *ops,
+ struct file *file, void *fh, void *arg)
+{
+ struct video_device *vfd = video_devdata(file);
+ struct v4l2_hw_freq_seek *p = arg;
+ enum v4l2_tuner_type type;
+
+ type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
+ V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
+ if (p->type != type)
+ return -EINVAL;
+ return ops->vidioc_s_hw_freq_seek(file, fh, p);
+}
+
struct v4l2_ioctl_info {
unsigned int ioctl;
u32 flags;
@@ -927,14 +1136,14 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = {
IOCTL_INFO_FNC(VIDIOC_STREAMOFF, v4l_streamoff, v4l_print_buftype, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_G_PARM, INFO_FL_CLEAR(v4l2_streamparm, type)),
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, INFO_FL_CLEAR(v4l2_standard, index)),
+ IOCTL_INFO_FNC(VIDIOC_G_STD, v4l_g_std, v4l_print_std, 0),
+ IOCTL_INFO_FNC(VIDIOC_S_STD, v4l_s_std, v4l_print_std, INFO_FL_PRIO),
+ IOCTL_INFO_FNC(VIDIOC_ENUMSTD, v4l_enumstd, v4l_print_standard, INFO_FL_CLEAR(v4l2_standard, index)),
IOCTL_INFO_FNC(VIDIOC_ENUMINPUT, v4l_enuminput, v4l_print_enuminput, INFO_FL_CLEAR(v4l2_input, index)),
IOCTL_INFO(VIDIOC_G_CTRL, INFO_FL_CTRL),
IOCTL_INFO(VIDIOC_S_CTRL, INFO_FL_PRIO | INFO_FL_CTRL),
- IOCTL_INFO(VIDIOC_G_TUNER, INFO_FL_CLEAR(v4l2_tuner, index)),
- IOCTL_INFO(VIDIOC_S_TUNER, INFO_FL_PRIO),
+ IOCTL_INFO_FNC(VIDIOC_G_TUNER, v4l_g_tuner, v4l_print_tuner, INFO_FL_CLEAR(v4l2_tuner, index)),
+ IOCTL_INFO_FNC(VIDIOC_S_TUNER, v4l_s_tuner, v4l_print_tuner, INFO_FL_PRIO),
IOCTL_INFO_STD(VIDIOC_G_AUDIO, vidioc_g_audio, v4l_print_audio, 0),
IOCTL_INFO_STD(VIDIOC_S_AUDIO, vidioc_s_audio, v4l_print_audio, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_QUERYCTRL, INFO_FL_CTRL | INFO_FL_CLEAR(v4l2_queryctrl, id)),
@@ -946,10 +1155,10 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = {
IOCTL_INFO_FNC(VIDIOC_ENUMOUTPUT, v4l_enumoutput, v4l_print_enumoutput, INFO_FL_CLEAR(v4l2_output, index)),
IOCTL_INFO_STD(VIDIOC_G_AUDOUT, vidioc_g_audout, v4l_print_audioout, 0),
IOCTL_INFO_STD(VIDIOC_S_AUDOUT, vidioc_s_audout, v4l_print_audioout, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_G_MODULATOR, INFO_FL_CLEAR(v4l2_modulator, index)),
- IOCTL_INFO(VIDIOC_S_MODULATOR, INFO_FL_PRIO),
- IOCTL_INFO(VIDIOC_G_FREQUENCY, INFO_FL_CLEAR(v4l2_frequency, tuner)),
- IOCTL_INFO(VIDIOC_S_FREQUENCY, INFO_FL_PRIO),
+ IOCTL_INFO_STD(VIDIOC_G_MODULATOR, vidioc_g_modulator, v4l_print_modulator, INFO_FL_CLEAR(v4l2_modulator, index)),
+ IOCTL_INFO_STD(VIDIOC_S_MODULATOR, vidioc_s_modulator, v4l_print_modulator, INFO_FL_PRIO),
+ IOCTL_INFO_FNC(VIDIOC_G_FREQUENCY, v4l_g_frequency, v4l_print_frequency, INFO_FL_CLEAR(v4l2_frequency, tuner)),
+ IOCTL_INFO_FNC(VIDIOC_S_FREQUENCY, v4l_s_frequency, v4l_print_frequency, INFO_FL_PRIO),
IOCTL_INFO(VIDIOC_CROPCAP, INFO_FL_CLEAR(v4l2_cropcap, type)),
IOCTL_INFO(VIDIOC_G_CROP, INFO_FL_CLEAR(v4l2_crop, type)),
IOCTL_INFO(VIDIOC_S_CROP, INFO_FL_PRIO),
@@ -957,7 +1166,7 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = {
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_FNC(VIDIOC_QUERYSTD, v4l_querystd, v4l_print_std, 0),
IOCTL_INFO_FNC(VIDIOC_TRY_FMT, v4l_try_fmt, v4l_print_format, 0),
IOCTL_INFO_STD(VIDIOC_ENUMAUDIO, vidioc_enumaudio, v4l_print_audio, INFO_FL_CLEAR(v4l2_audio, index)),
IOCTL_INFO_STD(VIDIOC_ENUMAUDOUT, vidioc_enumaudout, v4l_print_audioout, INFO_FL_CLEAR(v4l2_audioout, index)),
@@ -978,7 +1187,7 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = {
IOCTL_INFO(VIDIOC_DBG_S_REGISTER, 0),
IOCTL_INFO(VIDIOC_DBG_G_REGISTER, 0),
IOCTL_INFO(VIDIOC_DBG_G_CHIP_IDENT, 0),
- IOCTL_INFO(VIDIOC_S_HW_FREQ_SEEK, INFO_FL_PRIO),
+ IOCTL_INFO_FNC(VIDIOC_S_HW_FREQ_SEEK, v4l_s_hw_freq_seek, v4l_print_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),
@@ -1160,102 +1369,6 @@ static long __video_do_ioctl(struct file *file,
dbgbuf(cmd, vfd, p);
break;
}
- /* ---------- tv norms ---------- */
- case VIDIOC_ENUMSTD:
- {
- struct v4l2_standard *p = arg;
- v4l2_std_id id = vfd->tvnorms, curr_id = 0;
- unsigned int index = p->index, i, j = 0;
- const char *descr = "";
-
- if (id == 0)
- break;
- ret = -EINVAL;
-
- /* Return norm array in a canonical way */
- for (i = 0; i <= index && id; i++) {
- /* last std value in the standards array is 0, so this
- while always ends there since (id & 0) == 0. */
- while ((id & standards[j].std) != standards[j].std)
- j++;
- curr_id = standards[j].std;
- descr = standards[j].descr;
- j++;
- if (curr_id == 0)
- break;
- if (curr_id != V4L2_STD_PAL &&
- curr_id != V4L2_STD_SECAM &&
- curr_id != V4L2_STD_NTSC)
- id &= ~curr_id;
- }
- if (i <= index)
- break;
-
- v4l2_video_std_construct(p, curr_id, descr);
-
- dbgarg(cmd, "index=%d, id=0x%Lx, name=%s, fps=%d/%d, "
- "framelines=%d\n", p->index,
- (unsigned long long)p->id, p->name,
- p->frameperiod.numerator,
- p->frameperiod.denominator,
- p->framelines);
-
- ret = 0;
- break;
- }
- case VIDIOC_G_STD:
- {
- v4l2_std_id *id = arg;
-
- /* Calls the specific handler */
- if (ops->vidioc_g_std)
- ret = ops->vidioc_g_std(file, fh, id);
- else if (vfd->current_norm) {
- ret = 0;
- *id = vfd->current_norm;
- }
-
- if (likely(!ret))
- dbgarg(cmd, "std=0x%08Lx\n", (long long unsigned)*id);
- break;
- }
- case VIDIOC_S_STD:
- {
- v4l2_std_id *id = arg, norm;
-
- dbgarg(cmd, "std=%08Lx\n", (long long unsigned)*id);
-
- ret = -EINVAL;
- norm = (*id) & vfd->tvnorms;
- if (vfd->tvnorms && !norm) /* Check if std is supported */
- break;
-
- /* Calls the specific handler */
- ret = ops->vidioc_s_std(file, fh, &norm);
-
- /* Updates standard information */
- if (ret >= 0)
- vfd->current_norm = norm;
- break;
- }
- case VIDIOC_QUERYSTD:
- {
- v4l2_std_id *p = arg;
-
- /*
- * If nothing detected, it should return all supported
- * Drivers just need to mask the std argument, in order
- * to remove the standards that don't apply from the mask.
- * This means that tuners, audio and video decoders can join
- * their efforts to improve the standards detection
- */
- *p = vfd->tvnorms;
- ret = ops->vidioc_querystd(file, fh, arg);
- if (!ret)
- dbgarg(cmd, "detected std=%08Lx\n",
- (unsigned long long)*p);
- break;
- }
/* --- controls ---------------------------------------------- */
case VIDIOC_QUERYCTRL:
@@ -1426,31 +1539,6 @@ static long __video_do_ioctl(struct file *file,
p->id, p->index);
break;
}
- case VIDIOC_G_MODULATOR:
- {
- struct v4l2_modulator *p = arg;
-
- ret = ops->vidioc_g_modulator(file, fh, p);
- if (!ret)
- dbgarg(cmd, "index=%d, name=%s, "
- "capability=%d, rangelow=%d,"
- " rangehigh=%d, txsubchans=%d\n",
- p->index, p->name, p->capability,
- p->rangelow, p->rangehigh,
- p->txsubchans);
- break;
- }
- case VIDIOC_S_MODULATOR:
- {
- struct v4l2_modulator *p = arg;
-
- dbgarg(cmd, "index=%d, name=%s, capability=%d, "
- "rangelow=%d, rangehigh=%d, txsubchans=%d\n",
- p->index, p->name, p->capability, p->rangelow,
- p->rangehigh, p->txsubchans);
- ret = ops->vidioc_s_modulator(file, fh, p);
- break;
- }
case VIDIOC_G_CROP:
{
struct v4l2_crop *p = arg;
@@ -1683,68 +1771,6 @@ static long __video_do_ioctl(struct file *file,
ret = ops->vidioc_s_parm(file, fh, p);
break;
}
- case VIDIOC_G_TUNER:
- {
- struct v4l2_tuner *p = arg;
-
- p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
- V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
- ret = ops->vidioc_g_tuner(file, fh, p);
- if (!ret)
- dbgarg(cmd, "index=%d, name=%s, type=%d, "
- "capability=0x%x, rangelow=%d, "
- "rangehigh=%d, signal=%d, afc=%d, "
- "rxsubchans=0x%x, audmode=%d\n",
- p->index, p->name, p->type,
- p->capability, p->rangelow,
- p->rangehigh, p->signal, p->afc,
- p->rxsubchans, p->audmode);
- break;
- }
- case VIDIOC_S_TUNER:
- {
- struct v4l2_tuner *p = arg;
-
- p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
- V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
- dbgarg(cmd, "index=%d, name=%s, type=%d, "
- "capability=0x%x, rangelow=%d, "
- "rangehigh=%d, signal=%d, afc=%d, "
- "rxsubchans=0x%x, audmode=%d\n",
- p->index, p->name, p->type,
- p->capability, p->rangelow,
- p->rangehigh, p->signal, p->afc,
- p->rxsubchans, p->audmode);
- ret = ops->vidioc_s_tuner(file, fh, p);
- break;
- }
- case VIDIOC_G_FREQUENCY:
- {
- struct v4l2_frequency *p = arg;
-
- p->type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
- V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
- ret = ops->vidioc_g_frequency(file, fh, p);
- if (!ret)
- dbgarg(cmd, "tuner=%d, type=%d, frequency=%d\n",
- p->tuner, p->type, p->frequency);
- break;
- }
- case VIDIOC_S_FREQUENCY:
- {
- struct v4l2_frequency *p = arg;
- enum v4l2_tuner_type type;
-
- type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
- V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
- dbgarg(cmd, "tuner=%d, type=%d, frequency=%d\n",
- p->tuner, p->type, p->frequency);
- if (p->type != type)
- ret = -EINVAL;
- else
- ret = ops->vidioc_s_frequency(file, fh, p);
- break;
- }
case VIDIOC_G_SLICED_VBI_CAP:
{
struct v4l2_sliced_vbi_cap *p = arg;
@@ -1804,22 +1830,6 @@ static long __video_do_ioctl(struct file *file,
dbgarg(cmd, "chip_ident=%u, revision=0x%x\n", p->ident, p->revision);
break;
}
- case VIDIOC_S_HW_FREQ_SEEK:
- {
- struct v4l2_hw_freq_seek *p = arg;
- enum v4l2_tuner_type type;
-
- type = (vfd->vfl_type == VFL_TYPE_RADIO) ?
- V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
- dbgarg(cmd,
- "tuner=%u, type=%u, seek_upward=%u, wrap_around=%u, spacing=%u\n",
- p->tuner, p->type, p->seek_upward, p->wrap_around, p->spacing);
- if (p->type != type)
- ret = -EINVAL;
- else
- ret = ops->vidioc_s_hw_freq_seek(file, fh, p);
- break;
- }
case VIDIOC_ENUM_FRAMESIZES:
{
struct v4l2_frmsizeenum *p = arg;
--
1.7.10
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