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author | Felix Fietkau <nbd@openwrt.org> | 2014-12-13 11:55:11 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2014-12-13 11:55:11 +0000 |
commit | 45380ebd1ab3d604ece3dd14a84f89fbc69ea7b1 (patch) | |
tree | 816e479975bb22e39e9cbdde8fdfb400f38f72a9 /target/linux/brcm2708/patches-3.10/0131-V4L2-Fix-EV-values.-Add-manual-shutter-speed-control.patch | |
parent | 170ce2961703fe3c2c74e9aa3088df2905b3697e (diff) | |
download | master-31e0f0ae-45380ebd1ab3d604ece3dd14a84f89fbc69ea7b1.tar.gz master-31e0f0ae-45380ebd1ab3d604ece3dd14a84f89fbc69ea7b1.tar.bz2 master-31e0f0ae-45380ebd1ab3d604ece3dd14a84f89fbc69ea7b1.zip |
brcm2708: remove linux 3.10 support
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 43687
Diffstat (limited to 'target/linux/brcm2708/patches-3.10/0131-V4L2-Fix-EV-values.-Add-manual-shutter-speed-control.patch')
-rw-r--r-- | target/linux/brcm2708/patches-3.10/0131-V4L2-Fix-EV-values.-Add-manual-shutter-speed-control.patch | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/target/linux/brcm2708/patches-3.10/0131-V4L2-Fix-EV-values.-Add-manual-shutter-speed-control.patch b/target/linux/brcm2708/patches-3.10/0131-V4L2-Fix-EV-values.-Add-manual-shutter-speed-control.patch deleted file mode 100644 index 9983c3de50..0000000000 --- a/target/linux/brcm2708/patches-3.10/0131-V4L2-Fix-EV-values.-Add-manual-shutter-speed-control.patch +++ /dev/null @@ -1,195 +0,0 @@ -From 6519115a0742befaa2e5864a496398367aab97b0 Mon Sep 17 00:00:00 2001 -From: Dave Stevenson <dsteve@broadcom.com> -Date: Mon, 9 Dec 2013 10:58:01 +0000 -Subject: [PATCH 131/196] V4L2: Fix EV values. Add manual shutter speed control - -V4L2 EV values should be in units of 1/1000. Corrected. -Add support for V4L2_CID_EXPOSURE_ABSOLUTE which should -give manual shutter control. Requires manual exposure mode -to be selected first. - -Signed-off-by: Dave Stevenson <dsteve@broadcom.com> ---- - drivers/media/platform/bcm2835/bcm2835-camera.h | 4 +- - drivers/media/platform/bcm2835/controls.c | 94 ++++++++++++++++++------ - drivers/media/platform/bcm2835/mmal-parameters.h | 1 + - 3 files changed, 76 insertions(+), 23 deletions(-) - -diff --git a/drivers/media/platform/bcm2835/bcm2835-camera.h b/drivers/media/platform/bcm2835/bcm2835-camera.h -index 883eab7..5640492 100644 ---- a/drivers/media/platform/bcm2835/bcm2835-camera.h -+++ b/drivers/media/platform/bcm2835/bcm2835-camera.h -@@ -15,7 +15,7 @@ - * core driver device - */ - --#define V4L2_CTRL_COUNT 18 /* number of v4l controls */ -+#define V4L2_CTRL_COUNT 19 /* number of v4l controls */ - - enum { - MMAL_COMPONENT_CAMERA = 0, -@@ -51,6 +51,8 @@ struct bm2835_mmal_dev { - struct mmal_colourfx colourfx; - int hflip; - int vflip; -+ enum mmal_parameter_exposuremode exposure_mode; -+ unsigned int manual_shutter_speed; - - /* allocated mmal instance and components */ - struct vchiq_mmal_instance *instance; -diff --git a/drivers/media/platform/bcm2835/controls.c b/drivers/media/platform/bcm2835/controls.c -index d1408e5..481d1f6 100644 ---- a/drivers/media/platform/bcm2835/controls.c -+++ b/drivers/media/platform/bcm2835/controls.c -@@ -30,11 +30,23 @@ - #include "mmal-parameters.h" - #include "bcm2835-camera.h" - --/* The supported V4L2_CID_AUTO_EXPOSURE_BIAS values are from -24 to +24. -- * These are in 1/6th increments so the effective range is -4.0EV to +4.0EV. -+/* The supported V4L2_CID_AUTO_EXPOSURE_BIAS values are from -4.0 to +4.0. -+ * MMAL values are in 1/6th increments so the MMAL range is -24 to +24. -+ * V4L2 docs say value "is expressed in terms of EV, drivers should interpret -+ * the values as 0.001 EV units, where the value 1000 stands for +1 EV." -+ * V4L2 is limited to a max of 32 values in a menu, so count in 1/3rds from -+ * -4 to +4 - */ - static const s64 ev_bias_qmenu[] = { -- -24, -21, -18, -15, -12, -9, -6, -3, 0, 3, 6, 9, 12, 15, 18, 21, 24 -+ -4000, -3667, -3333, -+ -3000, -2667, -2333, -+ -2000, -1667, -1333, -+ -1000, -667, -333, -+ 0, 333, 667, -+ 1000, 1333, 1667, -+ 2000, 2333, 2667, -+ 3000, 3333, 3667, -+ 4000 - }; - - /* Supported ISO values -@@ -166,6 +178,22 @@ static int ctrl_set_value(struct bm2835_mmal_dev *dev, - &u32_value, sizeof(u32_value)); - } - -+static int ctrl_set_value_ev(struct bm2835_mmal_dev *dev, -+ struct v4l2_ctrl *ctrl, -+ const struct bm2835_mmal_v4l2_ctrl *mmal_ctrl) -+{ -+ s32 s32_value; -+ struct vchiq_mmal_port *control; -+ -+ control = &dev->component[MMAL_COMPONENT_CAMERA]->control; -+ -+ s32_value = (ctrl->val-12)*2; /* Convert from index to 1/6ths */ -+ -+ return vchiq_mmal_port_parameter_set(dev->instance, control, -+ mmal_ctrl->mmal_id, -+ &s32_value, sizeof(s32_value)); -+} -+ - static int ctrl_set_rotate(struct bm2835_mmal_dev *dev, - struct v4l2_ctrl *ctrl, - const struct bm2835_mmal_v4l2_ctrl *mmal_ctrl) -@@ -245,34 +273,50 @@ static int ctrl_set_exposure(struct bm2835_mmal_dev *dev, - struct v4l2_ctrl *ctrl, - const struct bm2835_mmal_v4l2_ctrl *mmal_ctrl) - { -- u32 u32_value; -+ enum mmal_parameter_exposuremode exp_mode = dev->exposure_mode; -+ u32 shutter_speed = 0; - struct vchiq_mmal_port *control; -+ int ret = 0; - - control = &dev->component[MMAL_COMPONENT_CAMERA]->control; - -- switch (ctrl->val) { -- case V4L2_EXPOSURE_AUTO: -- u32_value = MMAL_PARAM_EXPOSUREMODE_AUTO; -- break; -+ if (mmal_ctrl->mmal_id == MMAL_PARAMETER_SHUTTER_SPEED) { -+ /* V4L2 is in 100usec increments. -+ * MMAL is 1usec. -+ */ -+ dev->manual_shutter_speed = ctrl->val * 100; -+ } else if (mmal_ctrl->mmal_id == MMAL_PARAMETER_EXPOSURE_MODE) { -+ switch (ctrl->val) { -+ case V4L2_EXPOSURE_AUTO: -+ exp_mode = MMAL_PARAM_EXPOSUREMODE_AUTO; -+ break; - -- case V4L2_EXPOSURE_MANUAL: -- u32_value = MMAL_PARAM_EXPOSUREMODE_OFF; -- break; -+ case V4L2_EXPOSURE_MANUAL: -+ exp_mode = MMAL_PARAM_EXPOSUREMODE_OFF; -+ break; - -- case V4L2_EXPOSURE_SHUTTER_PRIORITY: -- u32_value = MMAL_PARAM_EXPOSUREMODE_SPORTS; -- break; -+ case V4L2_EXPOSURE_SHUTTER_PRIORITY: -+ exp_mode = MMAL_PARAM_EXPOSUREMODE_SPORTS; -+ break; - -- case V4L2_EXPOSURE_APERTURE_PRIORITY: -- u32_value = MMAL_PARAM_EXPOSUREMODE_NIGHT; -- break; -+ case V4L2_EXPOSURE_APERTURE_PRIORITY: -+ exp_mode = MMAL_PARAM_EXPOSUREMODE_NIGHT; -+ break; - -+ } -+ dev->exposure_mode = exp_mode; - } - -- /* todo: what about the other ten modes there are MMAL parameters for */ -- return vchiq_mmal_port_parameter_set(dev->instance, control, -- mmal_ctrl->mmal_id, -- &u32_value, sizeof(u32_value)); -+ if (dev->exposure_mode == MMAL_PARAM_EXPOSUREMODE_OFF) -+ shutter_speed = dev->manual_shutter_speed; -+ -+ ret = vchiq_mmal_port_parameter_set(dev->instance, control, -+ MMAL_PARAMETER_SHUTTER_SPEED, -+ &shutter_speed, sizeof(shutter_speed)); -+ ret += vchiq_mmal_port_parameter_set(dev->instance, control, -+ MMAL_PARAMETER_EXPOSURE_MODE, -+ &exp_mode, sizeof(u32)); -+ return ret; - } - - static int ctrl_set_metering_mode(struct bm2835_mmal_dev *dev, -@@ -578,10 +622,16 @@ static const struct bm2835_mmal_v4l2_ctrl v4l2_ctrls[V4L2_CTRL_COUNT] = { - }, - */ - { -+ V4L2_CID_EXPOSURE_ABSOLUTE, MMAL_CONTROL_TYPE_STD, -+ /* Units of 100usecs */ -+ 1, 1*1000*10, 100*10, 1, NULL, -+ MMAL_PARAMETER_SHUTTER_SPEED, &ctrl_set_exposure -+ }, -+ { - V4L2_CID_AUTO_EXPOSURE_BIAS, MMAL_CONTROL_TYPE_INT_MENU, - 0, ARRAY_SIZE(ev_bias_qmenu) - 1, - (ARRAY_SIZE(ev_bias_qmenu)+1)/2 - 1, 0, ev_bias_qmenu, -- MMAL_PARAMETER_EXPOSURE_COMP, &ctrl_set_value -+ MMAL_PARAMETER_EXPOSURE_COMP, &ctrl_set_value_ev - }, - { - V4L2_CID_EXPOSURE_METERING, -diff --git a/drivers/media/platform/bcm2835/mmal-parameters.h b/drivers/media/platform/bcm2835/mmal-parameters.h -index c611b58..d8aace5 100644 ---- a/drivers/media/platform/bcm2835/mmal-parameters.h -+++ b/drivers/media/platform/bcm2835/mmal-parameters.h -@@ -161,6 +161,7 @@ enum mmal_parameter_camera_type { - MMAL_PARAMETER_SW_SHARPEN_DISABLE, /**< @ref MMAL_PARAMETER_BOOLEAN_T */ - MMAL_PARAMETER_FLASH_REQUIRED, /**< @ref MMAL_PARAMETER_BOOLEAN_T */ - MMAL_PARAMETER_SW_SATURATION_DISABLE, /**< @ref MMAL_PARAMETER_BOOLEAN_T */ -+ MMAL_PARAMETER_SHUTTER_SPEED /**< Takes a @ref MMAL_PARAMETER_UINT32_T */ - }; - - enum mmal_parameter_camera_config_timestamp_mode { --- -1.9.1 - |