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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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[media] mt9m111: convert to the control framework
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> [g.liakhovetski@gmx.de: simplified pointer arithmetic] Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil
Mauro Carvalho Chehab
parent
2dd7d29c78
commit
af8425c54b
@ -17,6 +17,7 @@
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#include <media/soc_camera.h>
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#include <media/soc_mediabus.h>
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#include <media/v4l2-common.h>
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#include <media/v4l2-ctrls.h>
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#include <media/v4l2-chip-ident.h>
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/*
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@ -178,6 +179,8 @@ enum mt9m111_context {
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struct mt9m111 {
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struct v4l2_subdev subdev;
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struct v4l2_ctrl_handler hdl;
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struct v4l2_ctrl *gain;
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int model; /* V4L2_IDENT_MT9M111 or V4L2_IDENT_MT9M112 code
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* from v4l2-chip-ident.h */
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enum mt9m111_context context;
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@ -186,13 +189,8 @@ struct mt9m111 {
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int power_count;
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const struct mt9m111_datafmt *fmt;
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int lastpage; /* PageMap cache value */
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unsigned int gain;
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unsigned char autoexposure;
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unsigned char datawidth;
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unsigned int powered:1;
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unsigned int hflip:1;
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unsigned int vflip:1;
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unsigned int autowhitebalance:1;
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};
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static struct mt9m111 *to_mt9m111(const struct i2c_client *client)
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@ -646,48 +644,6 @@ static int mt9m111_s_register(struct v4l2_subdev *sd,
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}
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#endif
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static const struct v4l2_queryctrl mt9m111_controls[] = {
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{
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.id = V4L2_CID_VFLIP,
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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.name = "Flip Verticaly",
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.minimum = 0,
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.maximum = 1,
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.step = 1,
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.default_value = 0,
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}, {
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.id = V4L2_CID_HFLIP,
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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.name = "Flip Horizontaly",
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.minimum = 0,
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.maximum = 1,
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.step = 1,
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.default_value = 0,
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}, { /* gain = 1/32*val (=>gain=1 if val==32) */
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.id = V4L2_CID_GAIN,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Gain",
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.minimum = 0,
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.maximum = 63 * 2 * 2,
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.step = 1,
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.default_value = 32,
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.flags = V4L2_CTRL_FLAG_SLIDER,
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}, {
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.id = V4L2_CID_EXPOSURE_AUTO,
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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.name = "Auto Exposure",
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.minimum = 0,
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.maximum = 1,
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.step = 1,
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.default_value = 1,
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}
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};
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static struct soc_camera_ops mt9m111_ops = {
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.controls = mt9m111_controls,
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.num_controls = ARRAY_SIZE(mt9m111_controls),
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};
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static int mt9m111_set_flip(struct mt9m111 *mt9m111, int flip, int mask)
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{
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struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
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@ -728,7 +684,6 @@ static int mt9m111_set_global_gain(struct mt9m111 *mt9m111, int gain)
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if (gain > 63 * 2 * 2)
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return -EINVAL;
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mt9m111->gain = gain;
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if ((gain >= 64 * 2) && (gain < 63 * 2 * 2))
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val = (1 << 10) | (1 << 9) | (gain / 4);
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else if ((gain >= 64) && (gain < 64 * 2))
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@ -742,118 +697,47 @@ static int mt9m111_set_global_gain(struct mt9m111 *mt9m111, int gain)
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static int mt9m111_set_autoexposure(struct mt9m111 *mt9m111, int on)
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{
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struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
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int ret;
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if (on)
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ret = reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN);
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else
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ret = reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN);
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if (!ret)
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mt9m111->autoexposure = on;
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return ret;
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return reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN);
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return reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOEXPO_EN);
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}
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static int mt9m111_set_autowhitebalance(struct mt9m111 *mt9m111, int on)
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{
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struct i2c_client *client = v4l2_get_subdevdata(&mt9m111->subdev);
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int ret;
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if (on)
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ret = reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN);
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else
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ret = reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN);
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if (!ret)
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mt9m111->autowhitebalance = on;
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return ret;
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return reg_set(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN);
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return reg_clear(OPER_MODE_CTRL, MT9M111_OPMODE_AUTOWHITEBAL_EN);
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}
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static int mt9m111_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
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static int mt9m111_s_ctrl(struct v4l2_ctrl *ctrl)
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{
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struct i2c_client *client = v4l2_get_subdevdata(sd);
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struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
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int data;
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struct mt9m111 *mt9m111 = container_of(ctrl->handler,
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struct mt9m111, hdl);
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switch (ctrl->id) {
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case V4L2_CID_VFLIP:
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if (mt9m111->context == HIGHPOWER)
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data = reg_read(READ_MODE_B);
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else
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data = reg_read(READ_MODE_A);
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if (data < 0)
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return -EIO;
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ctrl->value = !!(data & MT9M111_RMB_MIRROR_ROWS);
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break;
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case V4L2_CID_HFLIP:
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if (mt9m111->context == HIGHPOWER)
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data = reg_read(READ_MODE_B);
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else
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data = reg_read(READ_MODE_A);
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if (data < 0)
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return -EIO;
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ctrl->value = !!(data & MT9M111_RMB_MIRROR_COLS);
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break;
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case V4L2_CID_GAIN:
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data = mt9m111_get_global_gain(mt9m111);
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if (data < 0)
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return data;
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ctrl->value = data;
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break;
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case V4L2_CID_EXPOSURE_AUTO:
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ctrl->value = mt9m111->autoexposure;
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break;
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case V4L2_CID_AUTO_WHITE_BALANCE:
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ctrl->value = mt9m111->autowhitebalance;
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break;
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}
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return 0;
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}
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static int mt9m111_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
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{
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struct mt9m111 *mt9m111 = container_of(sd, struct mt9m111, subdev);
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const struct v4l2_queryctrl *qctrl;
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int ret;
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qctrl = soc_camera_find_qctrl(&mt9m111_ops, ctrl->id);
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if (!qctrl)
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return -EINVAL;
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switch (ctrl->id) {
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case V4L2_CID_VFLIP:
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mt9m111->vflip = ctrl->value;
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ret = mt9m111_set_flip(mt9m111, ctrl->value,
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return mt9m111_set_flip(mt9m111, ctrl->val,
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MT9M111_RMB_MIRROR_ROWS);
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break;
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case V4L2_CID_HFLIP:
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mt9m111->hflip = ctrl->value;
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ret = mt9m111_set_flip(mt9m111, ctrl->value,
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return mt9m111_set_flip(mt9m111, ctrl->val,
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MT9M111_RMB_MIRROR_COLS);
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break;
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case V4L2_CID_GAIN:
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ret = mt9m111_set_global_gain(mt9m111, ctrl->value);
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break;
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return mt9m111_set_global_gain(mt9m111, ctrl->val);
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case V4L2_CID_EXPOSURE_AUTO:
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ret = mt9m111_set_autoexposure(mt9m111, ctrl->value);
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break;
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return mt9m111_set_autoexposure(mt9m111, ctrl->val);
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case V4L2_CID_AUTO_WHITE_BALANCE:
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ret = mt9m111_set_autowhitebalance(mt9m111, ctrl->value);
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break;
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default:
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ret = -EINVAL;
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return mt9m111_set_autowhitebalance(mt9m111, ctrl->val);
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}
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return ret;
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return -EINVAL;
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}
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static int mt9m111_suspend(struct mt9m111 *mt9m111)
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{
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mt9m111->gain = mt9m111_get_global_gain(mt9m111);
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v4l2_ctrl_s_ctrl(mt9m111->gain, mt9m111_get_global_gain(mt9m111));
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return 0;
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}
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@ -863,11 +747,7 @@ static void mt9m111_restore_state(struct mt9m111 *mt9m111)
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mt9m111_set_context(mt9m111, mt9m111->context);
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mt9m111_set_pixfmt(mt9m111, mt9m111->fmt->code);
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mt9m111_setup_rect(mt9m111, &mt9m111->rect);
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mt9m111_set_flip(mt9m111, mt9m111->hflip, MT9M111_RMB_MIRROR_COLS);
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mt9m111_set_flip(mt9m111, mt9m111->vflip, MT9M111_RMB_MIRROR_ROWS);
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mt9m111_set_global_gain(mt9m111, mt9m111->gain);
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mt9m111_set_autoexposure(mt9m111, mt9m111->autoexposure);
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mt9m111_set_autowhitebalance(mt9m111, mt9m111->autowhitebalance);
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v4l2_ctrl_handler_setup(&mt9m111->hdl);
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}
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static int mt9m111_resume(struct mt9m111 *mt9m111)
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@ -895,8 +775,6 @@ static int mt9m111_init(struct mt9m111 *mt9m111)
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ret = mt9m111_reset(mt9m111);
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if (!ret)
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ret = mt9m111_set_context(mt9m111, mt9m111->context);
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if (!ret)
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ret = mt9m111_set_autoexposure(mt9m111, mt9m111->autoexposure);
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if (ret)
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dev_err(&client->dev, "mt9m111 init failed: %d\n", ret);
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return ret;
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@ -919,9 +797,6 @@ static int mt9m111_video_probe(struct soc_camera_device *icd,
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mt9m111->lastpage = -1;
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mt9m111->autoexposure = 1;
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mt9m111->autowhitebalance = 1;
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data = reg_read(CHIP_VERSION);
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switch (data) {
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@ -935,17 +810,16 @@ static int mt9m111_video_probe(struct soc_camera_device *icd,
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dev_info(&client->dev, "Detected a MT9M112 chip ID %x\n", data);
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break;
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default:
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ret = -ENODEV;
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dev_err(&client->dev,
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"No MT9M111/MT9M112/MT9M131 chip detected register read %x\n",
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data);
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goto ei2c;
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return -ENODEV;
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}
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ret = mt9m111_init(mt9m111);
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ei2c:
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return ret;
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if (ret)
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return ret;
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return v4l2_ctrl_handler_setup(&mt9m111->hdl);
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}
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static int mt9m111_s_power(struct v4l2_subdev *sd, int on)
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@ -982,9 +856,11 @@ static int mt9m111_s_power(struct v4l2_subdev *sd, int on)
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return ret;
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}
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static const struct v4l2_ctrl_ops mt9m111_ctrl_ops = {
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.s_ctrl = mt9m111_s_ctrl,
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};
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static struct v4l2_subdev_core_ops mt9m111_subdev_core_ops = {
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.g_ctrl = mt9m111_g_ctrl,
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.s_ctrl = mt9m111_s_ctrl,
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.g_chip_ident = mt9m111_g_chip_ident,
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.s_power = mt9m111_s_power,
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#ifdef CONFIG_VIDEO_ADV_DEBUG
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@ -1066,10 +942,27 @@ static int mt9m111_probe(struct i2c_client *client,
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return -ENOMEM;
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v4l2_i2c_subdev_init(&mt9m111->subdev, client, &mt9m111_subdev_ops);
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v4l2_ctrl_handler_init(&mt9m111->hdl, 5);
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v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops,
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V4L2_CID_VFLIP, 0, 1, 1, 0);
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v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops,
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V4L2_CID_HFLIP, 0, 1, 1, 0);
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v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops,
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V4L2_CID_AUTO_WHITE_BALANCE, 0, 1, 1, 1);
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mt9m111->gain = v4l2_ctrl_new_std(&mt9m111->hdl, &mt9m111_ctrl_ops,
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V4L2_CID_GAIN, 0, 63 * 2 * 2, 1, 32);
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v4l2_ctrl_new_std_menu(&mt9m111->hdl,
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&mt9m111_ctrl_ops, V4L2_CID_EXPOSURE_AUTO, 1, 0,
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V4L2_EXPOSURE_AUTO);
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mt9m111->subdev.ctrl_handler = &mt9m111->hdl;
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if (mt9m111->hdl.error) {
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int err = mt9m111->hdl.error;
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kfree(mt9m111);
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return err;
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}
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/* Second stage probe - when a capture adapter is there */
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icd->ops = &mt9m111_ops;
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mt9m111->rect.left = MT9M111_MIN_DARK_COLS;
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mt9m111->rect.top = MT9M111_MIN_DARK_ROWS;
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mt9m111->rect.width = MT9M111_MAX_WIDTH;
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@ -1078,7 +971,7 @@ static int mt9m111_probe(struct i2c_client *client,
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ret = mt9m111_video_probe(icd, client);
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if (ret) {
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icd->ops = NULL;
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v4l2_ctrl_handler_free(&mt9m111->hdl);
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kfree(mt9m111);
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}
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@ -1088,9 +981,9 @@ static int mt9m111_probe(struct i2c_client *client,
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static int mt9m111_remove(struct i2c_client *client)
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{
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struct mt9m111 *mt9m111 = to_mt9m111(client);
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struct soc_camera_device *icd = client->dev.platform_data;
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icd->ops = NULL;
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v4l2_device_unregister_subdev(&mt9m111->subdev);
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v4l2_ctrl_handler_free(&mt9m111->hdl);
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kfree(mt9m111);
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return 0;
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