summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--Documentation/DocBook/media/v4l/compat.xml19
-rw-r--r--Documentation/DocBook/media/v4l/controls.xml98
-rw-r--r--Documentation/DocBook/media/v4l/v4l2.xml9
-rw-r--r--drivers/media/video/v4l2-ctrls.c20
-rw-r--r--include/linux/videodev2.h16
5 files changed, 158 insertions, 4 deletions
diff --git a/Documentation/DocBook/media/v4l/compat.xml b/Documentation/DocBook/media/v4l/compat.xml
index 149f65dfaa72..dc61b013b8a8 100644
--- a/Documentation/DocBook/media/v4l/compat.xml
+++ b/Documentation/DocBook/media/v4l/compat.xml
@@ -2435,6 +2435,21 @@ details.</para>
<listitem>
<para> Added <constant>V4L2_CID_COLORFX_CBCR</constant> control.</para>
</listitem>
+ <listitem>
+ <para> Added camera controls <constant>V4L2_CID_AUTO_EXPOSURE_BIAS</constant>,
+ <constant>V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE</constant>,
+ <constant>V4L2_CID_IMAGE_STABILIZATION</constant>,
+ <constant>V4L2_CID_ISO_SENSITIVITY</constant>,
+ <constant>V4L2_CID_ISO_SENSITIVITY_AUTO</constant>,
+ <constant>V4L2_CID_EXPOSURE_METERING</constant>,
+ <constant>V4L2_CID_SCENE_MODE</constant>,
+ <constant>V4L2_CID_3A_LOCK</constant>,
+ <constant>V4L2_CID_AUTO_FOCUS_START</constant>,
+ <constant>V4L2_CID_AUTO_FOCUS_STOP</constant>,
+ <constant>V4L2_CID_AUTO_FOCUS_STATUS</constant> and
+ <constant>V4L2_CID_AUTO_FOCUS_RANGE</constant>.
+ </para>
+ </listitem>
</orderedlist>
</section>
@@ -2555,6 +2570,10 @@ ioctls.</para>
<para>Sub-device selection API: &VIDIOC-SUBDEV-G-SELECTION;
and &VIDIOC-SUBDEV-S-SELECTION; ioctls.</para>
</listitem>
+ <listitem>
+ <para><link linkend="v4l2-auto-focus-area"><constant>
+ V4L2_CID_AUTO_FOCUS_AREA</constant></link> control.</para>
+ </listitem>
</itemizedlist>
</section>
diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml
index f38f06169795..132b0cc29832 100644
--- a/Documentation/DocBook/media/v4l/controls.xml
+++ b/Documentation/DocBook/media/v4l/controls.xml
@@ -2976,13 +2976,107 @@ negative values towards infinity. This is a write-only control.</entry>
<row>
<entry spanname="id"><constant>V4L2_CID_FOCUS_AUTO</constant>&nbsp;</entry>
<entry>boolean</entry>
- </row><row><entry spanname="descr">Enables automatic focus
-adjustments. The effect of manual focus adjustments while this feature
+ </row><row><entry spanname="descr">Enables continuous automatic
+focus adjustments. The effect of manual focus adjustments while this feature
is enabled is undefined, drivers should ignore such requests.</entry>
</row>
<row><entry></entry></row>
<row>
+ <entry spanname="id"><constant>V4L2_CID_AUTO_FOCUS_START</constant>&nbsp;</entry>
+ <entry>button</entry>
+ </row><row><entry spanname="descr">Starts single auto focus process.
+The effect of setting this control when <constant>V4L2_CID_FOCUS_AUTO</constant>
+is set to <constant>TRUE</constant> (1) is undefined, drivers should ignore
+such requests.</entry>
+ </row>
+ <row><entry></entry></row>
+
+ <row>
+ <entry spanname="id"><constant>V4L2_CID_AUTO_FOCUS_STOP</constant>&nbsp;</entry>
+ <entry>button</entry>
+ </row><row><entry spanname="descr">Aborts automatic focusing
+started with <constant>V4L2_CID_AUTO_FOCUS_START</constant> control. It is
+effective only when the continuous autofocus is disabled, that is when
+<constant>V4L2_CID_FOCUS_AUTO</constant> control is set to <constant>FALSE
+</constant> (0).</entry>
+ </row>
+ <row><entry></entry></row>
+
+ <row id="v4l2-auto-focus-status">
+ <entry spanname="id">
+ <constant>V4L2_CID_AUTO_FOCUS_STATUS</constant>&nbsp;</entry>
+ <entry>bitmask</entry>
+ </row>
+ <row><entry spanname="descr">The automatic focus status. This is a read-only
+ control.</entry>
+ </row>
+ <row>
+ <entrytbl spanname="descr" cols="2">
+ <tbody valign="top">
+ <row>
+ <entry><constant>V4L2_AUTO_FOCUS_STATUS_IDLE</constant>&nbsp;</entry>
+ <entry>Automatic focus is not active.</entry>
+ </row>
+ <row>
+ <entry><constant>V4L2_AUTO_FOCUS_STATUS_BUSY</constant>&nbsp;</entry>
+ <entry>Automatic focusing is in progress.</entry>
+ </row>
+ <row>
+ <entry><constant>V4L2_AUTO_FOCUS_STATUS_REACHED</constant>&nbsp;</entry>
+ <entry>Focus has been reached.</entry>
+ </row>
+ <row>
+ <entry><constant>V4L2_AUTO_FOCUS_STATUS_FAILED</constant>&nbsp;</entry>
+ <entry>Automatic focus has failed, the driver will not
+ transition from this state until another action is
+ performed by an application.</entry>
+ </row>
+ </tbody>
+ </entrytbl>
+ </row>
+ <row><entry spanname="descr">
+Setting <constant>V4L2_LOCK_FOCUS</constant> lock bit of the <constant>V4L2_CID_3A_LOCK
+</constant> control may stop updates of the <constant>V4L2_CID_AUTO_FOCUS_STATUS</constant>
+control value.</entry>
+ </row>
+ <row><entry></entry></row>
+
+ <row id="v4l2-auto-focus-range">
+ <entry spanname="id">
+ <constant>V4L2_CID_AUTO_FOCUS_RANGE</constant>&nbsp;</entry>
+ <entry>enum&nbsp;v4l2_auto_focus_range</entry>
+ </row>
+ <row><entry spanname="descr">Determines auto focus distance range
+for which lens may be adjusted. </entry>
+ </row>
+ <row>
+ <entrytbl spanname="descr" cols="2">
+ <tbody valign="top">
+ <row>
+ <entry><constant>V4L2_AUTO_FOCUS_RANGE_AUTO</constant>&nbsp;</entry>
+ <entry>The camera automatically selects the focus range.</entry>
+ </row>
+ <row>
+ <entry><constant>V4L2_AUTO_FOCUS_RANGE_NORMAL</constant>&nbsp;</entry>
+ <entry>Normal distance range, limited for best automatic focus
+performance.</entry>
+ </row>
+ <row>
+ <entry><constant>V4L2_AUTO_FOCUS_RANGE_MACRO</constant>&nbsp;</entry>
+ <entry>Macro (close-up) auto focus. The camera will
+use its minimum possible distance for auto focus.</entry>
+ </row>
+ <row>
+ <entry><constant>V4L2_AUTO_FOCUS_RANGE_INFINITY</constant>&nbsp;</entry>
+ <entry>The lens is set to focus on an object at infinite distance.</entry>
+ </row>
+ </tbody>
+ </entrytbl>
+ </row>
+ <row><entry></entry></row>
+
+ <row>
<entry spanname="id"><constant>V4L2_CID_ZOOM_ABSOLUTE</constant>&nbsp;</entry>
<entry>integer</entry>
</row><row><entry spanname="descr">Specify the objective lens
diff --git a/Documentation/DocBook/media/v4l/v4l2.xml b/Documentation/DocBook/media/v4l/v4l2.xml
index 63242e2adc02..e6fbbc6c17e1 100644
--- a/Documentation/DocBook/media/v4l/v4l2.xml
+++ b/Documentation/DocBook/media/v4l/v4l2.xml
@@ -140,11 +140,18 @@ applications. -->
<revision>
<revnumber>3.5</revnumber>
- <date>2012-04-02</date>
+ <date>2012-05-07</date>
<authorinitials>sa, sn</authorinitials>
<revremark>Added V4L2_CTRL_TYPE_INTEGER_MENU and V4L2 subdev
selections API. Improved the description of V4L2_CID_COLORFX
control, added V4L2_CID_COLORFX_CBCR control.
+ Added camera controls V4L2_CID_AUTO_EXPOSURE_BIAS,
+ V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE, V4L2_CID_IMAGE_STABILIZATION,
+ V4L2_CID_ISO_SENSITIVITY, V4L2_CID_ISO_SENSITIVITY_AUTO,
+ V4L2_CID_EXPOSURE_METERING, V4L2_CID_SCENE_MODE,
+ V4L2_CID_3A_LOCK, V4L2_CID_AUTO_FOCUS_START,
+ V4L2_CID_AUTO_FOCUS_STOP, V4L2_CID_AUTO_FOCUS_STATUS
+ and V4L2_CID_AUTO_FOCUS_RANGE.
</revremark>
</revision>
diff --git a/drivers/media/video/v4l2-ctrls.c b/drivers/media/video/v4l2-ctrls.c
index a47b29270ba3..a5fbace4c059 100644
--- a/drivers/media/video/v4l2-ctrls.c
+++ b/drivers/media/video/v4l2-ctrls.c
@@ -236,6 +236,13 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
"Spot",
NULL
};
+ static const char * const camera_auto_focus_range[] = {
+ "Auto",
+ "Normal",
+ "Macro",
+ "Infinity",
+ NULL
+ };
static const char * const colorfx[] = {
"None",
"Black & White",
@@ -459,6 +466,8 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
return camera_exposure_auto;
case V4L2_CID_EXPOSURE_METERING:
return camera_exposure_metering;
+ case V4L2_CID_AUTO_FOCUS_RANGE:
+ return camera_auto_focus_range;
case V4L2_CID_COLORFX:
return colorfx;
case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
@@ -646,7 +655,7 @@ const char *v4l2_ctrl_get_name(u32 id)
case V4L2_CID_TILT_ABSOLUTE: return "Tilt, Absolute";
case V4L2_CID_FOCUS_ABSOLUTE: return "Focus, Absolute";
case V4L2_CID_FOCUS_RELATIVE: return "Focus, Relative";
- case V4L2_CID_FOCUS_AUTO: return "Focus, Automatic";
+ case V4L2_CID_FOCUS_AUTO: return "Focus, Automatic Continuous";
case V4L2_CID_ZOOM_ABSOLUTE: return "Zoom, Absolute";
case V4L2_CID_ZOOM_RELATIVE: return "Zoom, Relative";
case V4L2_CID_ZOOM_CONTINUOUS: return "Zoom, Continuous";
@@ -662,6 +671,10 @@ const char *v4l2_ctrl_get_name(u32 id)
case V4L2_CID_EXPOSURE_METERING: return "Exposure, Metering Mode";
case V4L2_CID_SCENE_MODE: return "Scene Mode";
case V4L2_CID_3A_LOCK: return "3A Lock";
+ case V4L2_CID_AUTO_FOCUS_START: return "Auto Focus, Start";
+ case V4L2_CID_AUTO_FOCUS_STOP: return "Auto Focus, Stop";
+ case V4L2_CID_AUTO_FOCUS_STATUS: return "Auto Focus, Status";
+ case V4L2_CID_AUTO_FOCUS_RANGE: return "Auto Focus, Range";
/* FM Radio Modulator control */
/* Keep the order of the 'case's the same as in videodev2.h! */
@@ -774,6 +787,8 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
case V4L2_CID_TILT_RESET:
case V4L2_CID_FLASH_STROBE:
case V4L2_CID_FLASH_STROBE_STOP:
+ case V4L2_CID_AUTO_FOCUS_START:
+ case V4L2_CID_AUTO_FOCUS_STOP:
*type = V4L2_CTRL_TYPE_BUTTON;
*flags |= V4L2_CTRL_FLAG_WRITE_ONLY;
*min = *max = *step = *def = 0;
@@ -797,6 +812,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
case V4L2_CID_MPEG_STREAM_TYPE:
case V4L2_CID_MPEG_STREAM_VBI_FMT:
case V4L2_CID_EXPOSURE_AUTO:
+ case V4L2_CID_AUTO_FOCUS_RANGE:
case V4L2_CID_COLORFX:
case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
case V4L2_CID_TUNE_PREEMPHASIS:
@@ -851,6 +867,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
case V4L2_CID_FLASH_FAULT:
case V4L2_CID_JPEG_ACTIVE_MARKER:
case V4L2_CID_3A_LOCK:
+ case V4L2_CID_AUTO_FOCUS_STATUS:
*type = V4L2_CTRL_TYPE_BITMASK;
break;
case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
@@ -913,6 +930,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
*flags |= V4L2_CTRL_FLAG_WRITE_ONLY;
break;
case V4L2_CID_FLASH_STROBE_STATUS:
+ case V4L2_CID_AUTO_FOCUS_STATUS:
case V4L2_CID_FLASH_READY:
*flags |= V4L2_CTRL_FLAG_READ_ONLY;
break;
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index a9b03ae44037..dc3e3ea28f99 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -1763,6 +1763,22 @@ enum v4l2_scene_mode {
#define V4L2_LOCK_WHITE_BALANCE (1 << 1)
#define V4L2_LOCK_FOCUS (1 << 2)
+#define V4L2_CID_AUTO_FOCUS_START (V4L2_CID_CAMERA_CLASS_BASE+28)
+#define V4L2_CID_AUTO_FOCUS_STOP (V4L2_CID_CAMERA_CLASS_BASE+29)
+#define V4L2_CID_AUTO_FOCUS_STATUS (V4L2_CID_CAMERA_CLASS_BASE+30)
+#define V4L2_AUTO_FOCUS_STATUS_IDLE (0 << 0)
+#define V4L2_AUTO_FOCUS_STATUS_BUSY (1 << 0)
+#define V4L2_AUTO_FOCUS_STATUS_REACHED (1 << 1)
+#define V4L2_AUTO_FOCUS_STATUS_FAILED (1 << 2)
+
+#define V4L2_CID_AUTO_FOCUS_RANGE (V4L2_CID_CAMERA_CLASS_BASE+31)
+enum v4l2_auto_focus_range {
+ V4L2_AUTO_FOCUS_RANGE_AUTO = 0,
+ V4L2_AUTO_FOCUS_RANGE_NORMAL = 1,
+ V4L2_AUTO_FOCUS_RANGE_MACRO = 2,
+ V4L2_AUTO_FOCUS_RANGE_INFINITY = 3,
+};
+
/* FM Modulator class control IDs */
#define V4L2_CID_FM_TX_CLASS_BASE (V4L2_CTRL_CLASS_FM_TX | 0x900)
#define V4L2_CID_FM_TX_CLASS (V4L2_CTRL_CLASS_FM_TX | 1)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-11 16:36:22 +0000