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path: root/drivers/media/video/v4l2-common.c
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Diffstat (limited to 'drivers/media/video/v4l2-common.c')
-rw-r--r--drivers/media/video/v4l2-common.c265
1 files changed, 104 insertions, 161 deletions
diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c
index b8f2be8d5c0e..1da8cb836cb6 100644
--- a/drivers/media/video/v4l2-common.c
+++ b/drivers/media/video/v4l2-common.c
@@ -334,6 +334,12 @@ const char **v4l2_ctrl_get_menu(u32 id)
"Aperture Priority Mode",
NULL
};
+ static const char *colorfx[] = {
+ "None",
+ "Black & White",
+ "Sepia",
+ NULL
+ };
switch (id) {
case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
@@ -370,6 +376,8 @@ const char **v4l2_ctrl_get_menu(u32 id)
return camera_power_line_frequency;
case V4L2_CID_EXPOSURE_AUTO:
return camera_exposure_auto;
+ case V4L2_CID_COLORFX:
+ return colorfx;
default:
return NULL;
}
@@ -382,16 +390,16 @@ const char *v4l2_ctrl_get_name(u32 id)
switch (id) {
/* USER controls */
case V4L2_CID_USER_CLASS: return "User Controls";
+ case V4L2_CID_BRIGHTNESS: return "Brightness";
+ case V4L2_CID_CONTRAST: return "Contrast";
+ case V4L2_CID_SATURATION: return "Saturation";
+ case V4L2_CID_HUE: return "Hue";
case V4L2_CID_AUDIO_VOLUME: return "Volume";
- case V4L2_CID_AUDIO_MUTE: return "Mute";
case V4L2_CID_AUDIO_BALANCE: return "Balance";
case V4L2_CID_AUDIO_BASS: return "Bass";
case V4L2_CID_AUDIO_TREBLE: return "Treble";
+ case V4L2_CID_AUDIO_MUTE: return "Mute";
case V4L2_CID_AUDIO_LOUDNESS: return "Loudness";
- case V4L2_CID_BRIGHTNESS: return "Brightness";
- case V4L2_CID_CONTRAST: return "Contrast";
- case V4L2_CID_SATURATION: return "Saturation";
- case V4L2_CID_HUE: return "Hue";
case V4L2_CID_BLACK_LEVEL: return "Black Level";
case V4L2_CID_AUTO_WHITE_BALANCE: return "White Balance, Automatic";
case V4L2_CID_DO_WHITE_BALANCE: return "Do White Balance";
@@ -412,6 +420,7 @@ const char *v4l2_ctrl_get_name(u32 id)
case V4L2_CID_BACKLIGHT_COMPENSATION: return "Backlight Compensation";
case V4L2_CID_CHROMA_AGC: return "Chroma AGC";
case V4L2_CID_COLOR_KILLER: return "Color Killer";
+ case V4L2_CID_COLORFX: return "Color Effects";
/* MPEG controls */
case V4L2_CID_MPEG_CLASS: return "MPEG Encoder Controls";
@@ -490,16 +499,25 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste
case V4L2_CID_HFLIP:
case V4L2_CID_VFLIP:
case V4L2_CID_HUE_AUTO:
+ case V4L2_CID_CHROMA_AGC:
+ case V4L2_CID_COLOR_KILLER:
case V4L2_CID_MPEG_AUDIO_MUTE:
case V4L2_CID_MPEG_VIDEO_MUTE:
case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
case V4L2_CID_MPEG_VIDEO_PULLDOWN:
case V4L2_CID_EXPOSURE_AUTO_PRIORITY:
+ case V4L2_CID_FOCUS_AUTO:
case V4L2_CID_PRIVACY:
qctrl->type = V4L2_CTRL_TYPE_BOOLEAN;
min = 0;
max = step = 1;
break;
+ case V4L2_CID_PAN_RESET:
+ case V4L2_CID_TILT_RESET:
+ qctrl->type = V4L2_CTRL_TYPE_BUTTON;
+ qctrl->flags |= V4L2_CTRL_FLAG_WRITE_ONLY;
+ min = max = step = def = 0;
+ break;
case V4L2_CID_POWER_LINE_FREQUENCY:
case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
case V4L2_CID_MPEG_AUDIO_ENCODING:
@@ -517,6 +535,7 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste
case V4L2_CID_MPEG_STREAM_TYPE:
case V4L2_CID_MPEG_STREAM_VBI_FMT:
case V4L2_CID_EXPOSURE_AUTO:
+ case V4L2_CID_COLORFX:
qctrl->type = V4L2_CTRL_TYPE_MENU;
step = 1;
break;
@@ -547,161 +566,29 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste
case V4L2_CID_CONTRAST:
case V4L2_CID_SATURATION:
case V4L2_CID_HUE:
+ case V4L2_CID_RED_BALANCE:
+ case V4L2_CID_BLUE_BALANCE:
+ case V4L2_CID_GAMMA:
+ case V4L2_CID_SHARPNESS:
qctrl->flags |= V4L2_CTRL_FLAG_SLIDER;
break;
+ case V4L2_CID_PAN_RELATIVE:
+ case V4L2_CID_TILT_RELATIVE:
+ case V4L2_CID_FOCUS_RELATIVE:
+ case V4L2_CID_ZOOM_RELATIVE:
+ qctrl->flags |= V4L2_CTRL_FLAG_WRITE_ONLY;
+ break;
}
qctrl->minimum = min;
qctrl->maximum = max;
qctrl->step = step;
qctrl->default_value = def;
qctrl->reserved[0] = qctrl->reserved[1] = 0;
- snprintf(qctrl->name, sizeof(qctrl->name), name);
+ strlcpy(qctrl->name, name, sizeof(qctrl->name));
return 0;
}
EXPORT_SYMBOL(v4l2_ctrl_query_fill);
-/* Fill in a struct v4l2_queryctrl with standard values based on
- the control ID. */
-int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl)
-{
- switch (qctrl->id) {
- /* USER controls */
- case V4L2_CID_USER_CLASS:
- case V4L2_CID_MPEG_CLASS:
- return v4l2_ctrl_query_fill(qctrl, 0, 0, 0, 0);
- case V4L2_CID_AUDIO_VOLUME:
- return v4l2_ctrl_query_fill(qctrl, 0, 65535, 65535 / 100, 58880);
- case V4L2_CID_AUDIO_MUTE:
- case V4L2_CID_AUDIO_LOUDNESS:
- return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
- case V4L2_CID_AUDIO_BALANCE:
- case V4L2_CID_AUDIO_BASS:
- case V4L2_CID_AUDIO_TREBLE:
- return v4l2_ctrl_query_fill(qctrl, 0, 65535, 65535 / 100, 32768);
- case V4L2_CID_BRIGHTNESS:
- return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 128);
- case V4L2_CID_CONTRAST:
- case V4L2_CID_SATURATION:
- return v4l2_ctrl_query_fill(qctrl, 0, 127, 1, 64);
- case V4L2_CID_HUE:
- return v4l2_ctrl_query_fill(qctrl, -128, 127, 1, 0);
-
- /* MPEG controls */
- case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100,
- V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000, 1,
- V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000);
- case V4L2_CID_MPEG_AUDIO_ENCODING:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_ENCODING_LAYER_1,
- V4L2_MPEG_AUDIO_ENCODING_AC3, 1,
- V4L2_MPEG_AUDIO_ENCODING_LAYER_2);
- case V4L2_CID_MPEG_AUDIO_L1_BITRATE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_L1_BITRATE_32K,
- V4L2_MPEG_AUDIO_L1_BITRATE_448K, 1,
- V4L2_MPEG_AUDIO_L1_BITRATE_256K);
- case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_L2_BITRATE_32K,
- V4L2_MPEG_AUDIO_L2_BITRATE_384K, 1,
- V4L2_MPEG_AUDIO_L2_BITRATE_224K);
- case V4L2_CID_MPEG_AUDIO_L3_BITRATE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_L3_BITRATE_32K,
- V4L2_MPEG_AUDIO_L3_BITRATE_320K, 1,
- V4L2_MPEG_AUDIO_L3_BITRATE_192K);
- case V4L2_CID_MPEG_AUDIO_AAC_BITRATE:
- return v4l2_ctrl_query_fill(qctrl, 0, 6400, 1, 3200000);
- case V4L2_CID_MPEG_AUDIO_AC3_BITRATE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_AC3_BITRATE_32K,
- V4L2_MPEG_AUDIO_AC3_BITRATE_640K, 1,
- V4L2_MPEG_AUDIO_AC3_BITRATE_384K);
- case V4L2_CID_MPEG_AUDIO_MODE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_MODE_STEREO,
- V4L2_MPEG_AUDIO_MODE_MONO, 1,
- V4L2_MPEG_AUDIO_MODE_STEREO);
- case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4,
- V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16, 1,
- V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4);
- case V4L2_CID_MPEG_AUDIO_EMPHASIS:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_EMPHASIS_NONE,
- V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17, 1,
- V4L2_MPEG_AUDIO_EMPHASIS_NONE);
- case V4L2_CID_MPEG_AUDIO_CRC:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_AUDIO_CRC_NONE,
- V4L2_MPEG_AUDIO_CRC_CRC16, 1,
- V4L2_MPEG_AUDIO_CRC_NONE);
- case V4L2_CID_MPEG_AUDIO_MUTE:
- return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
- case V4L2_CID_MPEG_VIDEO_ENCODING:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_VIDEO_ENCODING_MPEG_1,
- V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, 1,
- V4L2_MPEG_VIDEO_ENCODING_MPEG_2);
- case V4L2_CID_MPEG_VIDEO_ASPECT:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_VIDEO_ASPECT_1x1,
- V4L2_MPEG_VIDEO_ASPECT_221x100, 1,
- V4L2_MPEG_VIDEO_ASPECT_4x3);
- case V4L2_CID_MPEG_VIDEO_B_FRAMES:
- return v4l2_ctrl_query_fill(qctrl, 0, 33, 1, 2);
- case V4L2_CID_MPEG_VIDEO_GOP_SIZE:
- return v4l2_ctrl_query_fill(qctrl, 1, 34, 1, 12);
- case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
- return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 1);
- case V4L2_CID_MPEG_VIDEO_PULLDOWN:
- return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
- case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_VIDEO_BITRATE_MODE_VBR,
- V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 1,
- V4L2_MPEG_VIDEO_BITRATE_MODE_VBR);
- case V4L2_CID_MPEG_VIDEO_BITRATE:
- return v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 6000000);
- case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
- return v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 8000000);
- case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION:
- return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0);
- case V4L2_CID_MPEG_VIDEO_MUTE:
- return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
- case V4L2_CID_MPEG_VIDEO_MUTE_YUV: /* Init YUV (really YCbCr) to black */
- return v4l2_ctrl_query_fill(qctrl, 0, 0xffffff, 1, 0x008080);
- case V4L2_CID_MPEG_STREAM_TYPE:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_STREAM_TYPE_MPEG2_PS,
- V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD, 1,
- V4L2_MPEG_STREAM_TYPE_MPEG2_PS);
- case V4L2_CID_MPEG_STREAM_PID_PMT:
- return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 16);
- case V4L2_CID_MPEG_STREAM_PID_AUDIO:
- return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 260);
- case V4L2_CID_MPEG_STREAM_PID_VIDEO:
- return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 256);
- case V4L2_CID_MPEG_STREAM_PID_PCR:
- return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 259);
- case V4L2_CID_MPEG_STREAM_PES_ID_AUDIO:
- return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0);
- case V4L2_CID_MPEG_STREAM_PES_ID_VIDEO:
- return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0);
- case V4L2_CID_MPEG_STREAM_VBI_FMT:
- return v4l2_ctrl_query_fill(qctrl,
- V4L2_MPEG_STREAM_VBI_FMT_NONE,
- V4L2_MPEG_STREAM_VBI_FMT_IVTV, 1,
- V4L2_MPEG_STREAM_VBI_FMT_NONE);
- default:
- return -EINVAL;
- }
-}
-EXPORT_SYMBOL(v4l2_ctrl_query_fill_std);
-
/* Fill in a struct v4l2_querymenu based on the struct v4l2_queryctrl and
the menu. The qctrl pointer may be NULL, in which case it is ignored.
If menu_items is NULL, then the menu items are retrieved using
@@ -720,7 +607,7 @@ int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu, struct v4l2_queryctrl *qc
for (i = 0; i < qmenu->index && menu_items[i]; i++) ;
if (menu_items[i] == NULL || menu_items[i][0] == '\0')
return -EINVAL;
- snprintf(qmenu->name, sizeof(qmenu->name), menu_items[qmenu->index]);
+ strlcpy(qmenu->name, menu_items[qmenu->index], sizeof(qmenu->name));
return 0;
}
EXPORT_SYMBOL(v4l2_ctrl_query_menu);
@@ -737,8 +624,8 @@ int v4l2_ctrl_query_menu_valid_items(struct v4l2_querymenu *qmenu, const u32 *id
return -EINVAL;
while (*ids != V4L2_CTRL_MENU_IDS_END) {
if (*ids++ == qmenu->index) {
- snprintf(qmenu->name, sizeof(qmenu->name),
- menu_items[qmenu->index]);
+ strlcpy(qmenu->name, menu_items[qmenu->index],
+ sizeof(qmenu->name));
return 0;
}
}
@@ -749,7 +636,7 @@ EXPORT_SYMBOL(v4l2_ctrl_query_menu_valid_items);
/* ctrl_classes points to an array of u32 pointers, the last element is
a NULL pointer. Each u32 array is a 0-terminated array of control IDs.
Each array must be sorted low to high and belong to the same control
- class. The array of u32 pointer must also be sorted, from low class IDs
+ class. The array of u32 pointers must also be sorted, from low class IDs
to high class IDs.
This function returns the first ID that follows after the given ID.
@@ -910,10 +797,10 @@ struct v4l2_subdev *v4l2_i2c_new_subdev(struct i2c_adapter *adapter,
struct i2c_board_info info;
BUG_ON(!dev);
-#ifdef MODULE
+
if (module_name)
request_module(module_name);
-#endif
+
/* Setup the i2c board info with the device type and
the device address. */
memset(&info, 0, sizeof(info));
@@ -927,11 +814,11 @@ struct v4l2_subdev *v4l2_i2c_new_subdev(struct i2c_adapter *adapter,
We need better support from the kernel so that we
can easily wait for the load to finish. */
if (client == NULL || client->driver == NULL)
- return NULL;
+ goto error;
/* Lock the module so we can safely get the v4l2_subdev pointer */
if (!try_module_get(client->driver->driver.owner))
- return NULL;
+ goto error;
sd = i2c_get_clientdata(client);
/* Register with the v4l2_device which increases the module's
@@ -940,8 +827,13 @@ struct v4l2_subdev *v4l2_i2c_new_subdev(struct i2c_adapter *adapter,
sd = NULL;
/* Decrease the module use count to match the first try_module_get. */
module_put(client->driver->driver.owner);
- return sd;
+error:
+ /* If we have a client but no subdev, then something went wrong and
+ we must unregister the client. */
+ if (client && sd == NULL)
+ i2c_unregister_device(client);
+ return sd;
}
EXPORT_SYMBOL_GPL(v4l2_i2c_new_subdev);
@@ -958,10 +850,10 @@ struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct i2c_adapter *adapter,
struct i2c_board_info info;
BUG_ON(!dev);
-#ifdef MODULE
+
if (module_name)
request_module(module_name);
-#endif
+
/* Setup the i2c board info with the device type and
the device address. */
memset(&info, 0, sizeof(info));
@@ -974,11 +866,11 @@ struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct i2c_adapter *adapter,
We need better support from the kernel so that we
can easily wait for the load to finish. */
if (client == NULL || client->driver == NULL)
- return NULL;
+ goto error;
/* Lock the module so we can safely get the v4l2_subdev pointer */
if (!try_module_get(client->driver->driver.owner))
- return NULL;
+ goto error;
sd = i2c_get_clientdata(client);
/* Register with the v4l2_device which increases the module's
@@ -987,8 +879,59 @@ struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct i2c_adapter *adapter,
sd = NULL;
/* Decrease the module use count to match the first try_module_get. */
module_put(client->driver->driver.owner);
+
+error:
+ /* If we have a client but no subdev, then something went wrong and
+ we must unregister the client. */
+ if (client && sd == NULL)
+ i2c_unregister_device(client);
return sd;
}
EXPORT_SYMBOL_GPL(v4l2_i2c_new_probed_subdev);
+/* Return i2c client address of v4l2_subdev. */
+unsigned short v4l2_i2c_subdev_addr(struct v4l2_subdev *sd)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ return client ? client->addr : I2C_CLIENT_END;
+}
+EXPORT_SYMBOL_GPL(v4l2_i2c_subdev_addr);
+
+/* Return a list of I2C tuner addresses to probe. Use only if the tuner
+ addresses are unknown. */
+const unsigned short *v4l2_i2c_tuner_addrs(enum v4l2_i2c_tuner_type type)
+{
+ static const unsigned short radio_addrs[] = {
+#if defined(CONFIG_MEDIA_TUNER_TEA5761) || defined(CONFIG_MEDIA_TUNER_TEA5761_MODULE)
+ 0x10,
+#endif
+ 0x60,
+ I2C_CLIENT_END
+ };
+ static const unsigned short demod_addrs[] = {
+ 0x42, 0x43, 0x4a, 0x4b,
+ I2C_CLIENT_END
+ };
+ static const unsigned short tv_addrs[] = {
+ 0x42, 0x43, 0x4a, 0x4b, /* tda8290 */
+ 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
+ 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
+ I2C_CLIENT_END
+ };
+
+ switch (type) {
+ case ADDRS_RADIO:
+ return radio_addrs;
+ case ADDRS_DEMOD:
+ return demod_addrs;
+ case ADDRS_TV:
+ return tv_addrs;
+ case ADDRS_TV_WITH_DEMOD:
+ return tv_addrs + 4;
+ }
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(v4l2_i2c_tuner_addrs);
+
#endif
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.