diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-10-28 16:26:12 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-10-28 16:26:12 +0100 |
commit | 7a9787e1eba95a166265e6a260cf30af04ef0a99 (patch) | |
tree | e730a4565e0318140d2fbd2f0415d18a339d7336 /drivers/media/video/uvc/uvc_ctrl.c | |
parent | 41b9eb264c8407655db57b60b4457fe1b2ec9977 (diff) | |
parent | 0173a3265b228da319ceb9c1ec6a5682fd1b2d92 (diff) |
Merge commit 'v2.6.28-rc2' into x86/pci-ioapic-boot-irq-quirks
Diffstat (limited to 'drivers/media/video/uvc/uvc_ctrl.c')
-rw-r--r-- | drivers/media/video/uvc/uvc_ctrl.c | 232 |
1 files changed, 192 insertions, 40 deletions
diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c index f0ee46d15540..f16aafe9cf14 100644 --- a/drivers/media/video/uvc/uvc_ctrl.c +++ b/drivers/media/video/uvc/uvc_ctrl.c @@ -83,6 +83,22 @@ static struct uvc_control_info uvc_ctrls[] = { }, { .entity = UVC_GUID_UVC_PROCESSING, + .selector = PU_WHITE_BALANCE_TEMPERATURE_CONTROL, + .index = 6, + .size = 2, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + | UVC_CONTROL_RESTORE | UVC_CONTROL_AUTO_UPDATE, + }, + { + .entity = UVC_GUID_UVC_PROCESSING, + .selector = PU_WHITE_BALANCE_COMPONENT_CONTROL, + .index = 7, + .size = 4, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + | UVC_CONTROL_RESTORE | UVC_CONTROL_AUTO_UPDATE, + }, + { + .entity = UVC_GUID_UVC_PROCESSING, .selector = PU_BACKLIGHT_COMPENSATION_CONTROL, .index = 8, .size = 2, @@ -114,6 +130,60 @@ static struct uvc_control_info uvc_ctrls[] = { | UVC_CONTROL_GET_DEF | UVC_CONTROL_RESTORE, }, { + .entity = UVC_GUID_UVC_PROCESSING, + .selector = PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL, + .index = 12, + .size = 1, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR + | UVC_CONTROL_GET_DEF | UVC_CONTROL_RESTORE, + }, + { + .entity = UVC_GUID_UVC_PROCESSING, + .selector = PU_WHITE_BALANCE_COMPONENT_AUTO_CONTROL, + .index = 13, + .size = 1, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR + | UVC_CONTROL_GET_DEF | UVC_CONTROL_RESTORE, + }, + { + .entity = UVC_GUID_UVC_PROCESSING, + .selector = PU_DIGITAL_MULTIPLIER_CONTROL, + .index = 14, + .size = 2, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + | UVC_CONTROL_RESTORE, + }, + { + .entity = UVC_GUID_UVC_PROCESSING, + .selector = PU_DIGITAL_MULTIPLIER_LIMIT_CONTROL, + .index = 15, + .size = 2, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + | UVC_CONTROL_RESTORE, + }, + { + .entity = UVC_GUID_UVC_PROCESSING, + .selector = PU_ANALOG_VIDEO_STANDARD_CONTROL, + .index = 16, + .size = 1, + .flags = UVC_CONTROL_GET_CUR, + }, + { + .entity = UVC_GUID_UVC_PROCESSING, + .selector = PU_ANALOG_LOCK_STATUS_CONTROL, + .index = 17, + .size = 1, + .flags = UVC_CONTROL_GET_CUR, + }, + { + .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_SCANNING_MODE_CONTROL, + .index = 0, + .size = 1, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR + | UVC_CONTROL_RESTORE, + }, + { .entity = UVC_GUID_UVC_CAMERA, .selector = CT_AE_MODE_CONTROL, .index = 1, @@ -140,6 +210,14 @@ static struct uvc_control_info uvc_ctrls[] = { }, { .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_EXPOSURE_TIME_RELATIVE_CONTROL, + .index = 4, + .size = 1, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR + | UVC_CONTROL_RESTORE, + }, + { + .entity = UVC_GUID_UVC_CAMERA, .selector = CT_FOCUS_ABSOLUTE_CONTROL, .index = 5, .size = 2, @@ -148,42 +226,90 @@ static struct uvc_control_info uvc_ctrls[] = { }, { .entity = UVC_GUID_UVC_CAMERA, - .selector = CT_FOCUS_AUTO_CONTROL, - .index = 17, - .size = 1, - .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR - | UVC_CONTROL_GET_DEF | UVC_CONTROL_RESTORE, + .selector = CT_FOCUS_RELATIVE_CONTROL, + .index = 6, + .size = 2, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + | UVC_CONTROL_AUTO_UPDATE, }, { - .entity = UVC_GUID_UVC_PROCESSING, - .selector = PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL, - .index = 12, + .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_IRIS_ABSOLUTE_CONTROL, + .index = 7, + .size = 2, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + | UVC_CONTROL_RESTORE | UVC_CONTROL_AUTO_UPDATE, + }, + { + .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_IRIS_RELATIVE_CONTROL, + .index = 8, .size = 1, .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR - | UVC_CONTROL_GET_DEF | UVC_CONTROL_RESTORE, + | UVC_CONTROL_AUTO_UPDATE, }, { - .entity = UVC_GUID_UVC_PROCESSING, - .selector = PU_WHITE_BALANCE_TEMPERATURE_CONTROL, - .index = 6, + .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_ZOOM_ABSOLUTE_CONTROL, + .index = 9, .size = 2, .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE | UVC_CONTROL_RESTORE | UVC_CONTROL_AUTO_UPDATE, }, { - .entity = UVC_GUID_UVC_PROCESSING, - .selector = PU_WHITE_BALANCE_COMPONENT_AUTO_CONTROL, + .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_ZOOM_RELATIVE_CONTROL, + .index = 10, + .size = 3, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + | UVC_CONTROL_AUTO_UPDATE, + }, + { + .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_PANTILT_ABSOLUTE_CONTROL, + .index = 11, + .size = 8, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + | UVC_CONTROL_RESTORE | UVC_CONTROL_AUTO_UPDATE, + }, + { + .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_PANTILT_RELATIVE_CONTROL, + .index = 12, + .size = 4, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + | UVC_CONTROL_AUTO_UPDATE, + }, + { + .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_ROLL_ABSOLUTE_CONTROL, .index = 13, + .size = 2, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + | UVC_CONTROL_RESTORE | UVC_CONTROL_AUTO_UPDATE, + }, + { + .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_ROLL_RELATIVE_CONTROL, + .index = 14, + .size = 2, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + | UVC_CONTROL_AUTO_UPDATE, + }, + { + .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_FOCUS_AUTO_CONTROL, + .index = 17, .size = 1, .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR | UVC_CONTROL_GET_DEF | UVC_CONTROL_RESTORE, }, { - .entity = UVC_GUID_UVC_PROCESSING, - .selector = PU_WHITE_BALANCE_COMPONENT_CONTROL, - .index = 7, - .size = 4, - .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_RANGE + .entity = UVC_GUID_UVC_CAMERA, + .selector = CT_PRIVACY_CONTROL, + .index = 18, + .size = 1, + .flags = UVC_CONTROL_SET_CUR | UVC_CONTROL_GET_CUR | UVC_CONTROL_RESTORE | UVC_CONTROL_AUTO_UPDATE, }, }; @@ -195,8 +321,8 @@ static struct uvc_menu_info power_line_frequency_controls[] = { }; static struct uvc_menu_info exposure_auto_controls[] = { - { 1, "Manual Mode" }, { 2, "Auto Mode" }, + { 1, "Manual Mode" }, { 4, "Shutter Priority Mode" }, { 8, "Aperture Priority Mode" }, }; @@ -585,13 +711,18 @@ int uvc_query_v4l2_ctrl(struct uvc_video_device *video, struct uvc_control_mapping *mapping; struct uvc_menu_info *menu; unsigned int i; - __u8 data[8]; + __u8 *data; int ret; ctrl = uvc_find_control(video, v4l2_ctrl->id, &mapping); if (ctrl == NULL) return -EINVAL; + data = kmalloc(ctrl->info->size, GFP_KERNEL); + if (data == NULL) + return -ENOMEM; + + memset(v4l2_ctrl, 0, sizeof *v4l2_ctrl); v4l2_ctrl->id = mapping->id; v4l2_ctrl->type = mapping->v4l2_type; strncpy(v4l2_ctrl->name, mapping->name, sizeof v4l2_ctrl->name); @@ -603,12 +734,13 @@ int uvc_query_v4l2_ctrl(struct uvc_video_device *video, if (ctrl->info->flags & UVC_CONTROL_GET_DEF) { if ((ret = uvc_query_ctrl(video->dev, GET_DEF, ctrl->entity->id, video->dev->intfnum, ctrl->info->selector, - &data, ctrl->info->size)) < 0) - return ret; + data, ctrl->info->size)) < 0) + goto out; v4l2_ctrl->default_value = uvc_get_le_value(data, mapping); } - if (mapping->v4l2_type == V4L2_CTRL_TYPE_MENU) { + switch (mapping->v4l2_type) { + case V4L2_CTRL_TYPE_MENU: v4l2_ctrl->minimum = 0; v4l2_ctrl->maximum = mapping->menu_count - 1; v4l2_ctrl->step = 1; @@ -621,32 +753,46 @@ int uvc_query_v4l2_ctrl(struct uvc_video_device *video, } } - return 0; + ret = 0; + goto out; + + case V4L2_CTRL_TYPE_BOOLEAN: + v4l2_ctrl->minimum = 0; + v4l2_ctrl->maximum = 1; + v4l2_ctrl->step = 1; + ret = 0; + goto out; + + default: + break; } if (ctrl->info->flags & UVC_CONTROL_GET_MIN) { if ((ret = uvc_query_ctrl(video->dev, GET_MIN, ctrl->entity->id, video->dev->intfnum, ctrl->info->selector, - &data, ctrl->info->size)) < 0) - return ret; + data, ctrl->info->size)) < 0) + goto out; v4l2_ctrl->minimum = uvc_get_le_value(data, mapping); } if (ctrl->info->flags & UVC_CONTROL_GET_MAX) { if ((ret = uvc_query_ctrl(video->dev, GET_MAX, ctrl->entity->id, video->dev->intfnum, ctrl->info->selector, - &data, ctrl->info->size)) < 0) - return ret; + data, ctrl->info->size)) < 0) + goto out; v4l2_ctrl->maximum = uvc_get_le_value(data, mapping); } if (ctrl->info->flags & UVC_CONTROL_GET_RES) { if ((ret = uvc_query_ctrl(video->dev, GET_RES, ctrl->entity->id, video->dev->intfnum, ctrl->info->selector, - &data, ctrl->info->size)) < 0) - return ret; + data, ctrl->info->size)) < 0) + goto out; v4l2_ctrl->step = uvc_get_le_value(data, mapping); } - return 0; + ret = 0; +out: + kfree(data); + return ret; } @@ -691,7 +837,17 @@ static int uvc_ctrl_commit_entity(struct uvc_device *dev, for (i = 0; i < entity->ncontrols; ++i) { ctrl = &entity->controls[i]; - if (ctrl->info == NULL || !ctrl->dirty) + if (ctrl->info == NULL) + continue; + + /* Reset the loaded flag for auto-update controls that were + * marked as loaded in uvc_ctrl_get/uvc_ctrl_set to prevent + * uvc_ctrl_get from using the cached value. + */ + if (ctrl->info->flags & UVC_CONTROL_AUTO_UPDATE) + ctrl->loaded = 0; + + if (!ctrl->dirty) continue; if (!rollback) @@ -707,9 +863,6 @@ static int uvc_ctrl_commit_entity(struct uvc_device *dev, uvc_ctrl_data(ctrl, UVC_CTRL_DATA_BACKUP), ctrl->info->size); - if ((ctrl->info->flags & UVC_CONTROL_GET_CUR) == 0) - ctrl->loaded = 0; - ctrl->dirty = 0; if (ret < 0) @@ -767,8 +920,7 @@ int uvc_ctrl_get(struct uvc_video_device *video, if (ret < 0) return ret; - if ((ctrl->info->flags & UVC_CONTROL_AUTO_UPDATE) == 0) - ctrl->loaded = 1; + ctrl->loaded = 1; } xctrl->value = uvc_get_le_value( @@ -819,8 +971,7 @@ int uvc_ctrl_set(struct uvc_video_device *video, return ret; } - if ((ctrl->info->flags & UVC_CONTROL_AUTO_UPDATE) == 0) - ctrl->loaded = 1; + ctrl->loaded = 1; } if (!ctrl->dirty) { @@ -1254,3 +1405,4 @@ void uvc_ctrl_init(void) for (; mapping < mend; ++mapping) uvc_ctrl_add_mapping(mapping); } + |