forked from Minki/linux
[media] mt9v011: convert to the control framework
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Tested-by: Frank Schäfer <fschaefer.oss@googlemail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil
Mauro Carvalho Chehab
parent
28718152e0
commit
ea01a83d5c
@ -13,6 +13,7 @@
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#include <asm/div64.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-chip-ident.h>
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#include <media/v4l2-ctrls.h>
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#include <media/mt9v011.h>
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MODULE_DESCRIPTION("Micron mt9v011 sensor driver");
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@ -48,68 +49,9 @@ MODULE_PARM_DESC(debug, "Debug level (0-2)");
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#define MT9V011_VERSION 0x8232
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#define MT9V011_REV_B_VERSION 0x8243
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/* supported controls */
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static struct v4l2_queryctrl mt9v011_qctrl[] = {
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{
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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 = (1 << 12) - 1 - 0x0020,
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.step = 1,
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.default_value = 0x0020,
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.flags = 0,
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}, {
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.id = V4L2_CID_EXPOSURE,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Exposure",
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.minimum = 0,
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.maximum = 2047,
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.step = 1,
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.default_value = 0x01fc,
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.flags = 0,
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}, {
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.id = V4L2_CID_RED_BALANCE,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Red Balance",
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.minimum = -1 << 9,
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.maximum = (1 << 9) - 1,
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.step = 1,
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.default_value = 0,
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.flags = 0,
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}, {
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.id = V4L2_CID_BLUE_BALANCE,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Blue Balance",
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.minimum = -1 << 9,
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.maximum = (1 << 9) - 1,
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.step = 1,
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.default_value = 0,
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.flags = 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 = "Mirror",
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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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.flags = 0,
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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 = "Vflip",
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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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.flags = 0,
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}, {
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}
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};
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struct mt9v011 {
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struct v4l2_subdev sd;
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struct v4l2_ctrl_handler ctrls;
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unsigned width, height;
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unsigned xtal;
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unsigned hflip:1;
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@ -380,99 +322,6 @@ static int mt9v011_reset(struct v4l2_subdev *sd, u32 val)
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set_res(sd);
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set_read_mode(sd);
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return 0;
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};
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static int mt9v011_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
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{
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struct mt9v011 *core = to_mt9v011(sd);
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v4l2_dbg(1, debug, sd, "g_ctrl called\n");
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switch (ctrl->id) {
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case V4L2_CID_GAIN:
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ctrl->value = core->global_gain;
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return 0;
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case V4L2_CID_EXPOSURE:
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ctrl->value = core->exposure;
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return 0;
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case V4L2_CID_RED_BALANCE:
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ctrl->value = core->red_bal;
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return 0;
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case V4L2_CID_BLUE_BALANCE:
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ctrl->value = core->blue_bal;
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return 0;
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case V4L2_CID_HFLIP:
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ctrl->value = core->hflip ? 1 : 0;
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return 0;
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case V4L2_CID_VFLIP:
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ctrl->value = core->vflip ? 1 : 0;
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return 0;
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}
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return -EINVAL;
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}
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static int mt9v011_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
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{
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int i;
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v4l2_dbg(1, debug, sd, "queryctrl called\n");
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for (i = 0; i < ARRAY_SIZE(mt9v011_qctrl); i++)
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if (qc->id && qc->id == mt9v011_qctrl[i].id) {
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memcpy(qc, &(mt9v011_qctrl[i]),
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sizeof(*qc));
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return 0;
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}
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return -EINVAL;
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}
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static int mt9v011_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
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{
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struct mt9v011 *core = to_mt9v011(sd);
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u8 i, n;
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n = ARRAY_SIZE(mt9v011_qctrl);
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for (i = 0; i < n; i++) {
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if (ctrl->id != mt9v011_qctrl[i].id)
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continue;
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if (ctrl->value < mt9v011_qctrl[i].minimum ||
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ctrl->value > mt9v011_qctrl[i].maximum)
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return -ERANGE;
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v4l2_dbg(1, debug, sd, "s_ctrl: id=%d, value=%d\n",
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ctrl->id, ctrl->value);
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break;
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}
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switch (ctrl->id) {
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case V4L2_CID_GAIN:
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core->global_gain = ctrl->value;
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break;
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case V4L2_CID_EXPOSURE:
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core->exposure = ctrl->value;
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break;
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case V4L2_CID_RED_BALANCE:
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core->red_bal = ctrl->value;
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break;
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case V4L2_CID_BLUE_BALANCE:
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core->blue_bal = ctrl->value;
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break;
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case V4L2_CID_HFLIP:
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core->hflip = ctrl->value;
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set_read_mode(sd);
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return 0;
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case V4L2_CID_VFLIP:
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core->vflip = ctrl->value;
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set_read_mode(sd);
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return 0;
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default:
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return -EINVAL;
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}
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set_balance(sd);
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return 0;
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}
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@ -599,10 +448,46 @@ static int mt9v011_g_chip_ident(struct v4l2_subdev *sd,
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version);
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}
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static const struct v4l2_subdev_core_ops mt9v011_core_ops = {
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.queryctrl = mt9v011_queryctrl,
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.g_ctrl = mt9v011_g_ctrl,
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static int mt9v011_s_ctrl(struct v4l2_ctrl *ctrl)
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{
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struct mt9v011 *core =
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container_of(ctrl->handler, struct mt9v011, ctrls);
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struct v4l2_subdev *sd = &core->sd;
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switch (ctrl->id) {
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case V4L2_CID_GAIN:
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core->global_gain = ctrl->val;
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break;
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case V4L2_CID_EXPOSURE:
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core->exposure = ctrl->val;
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break;
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case V4L2_CID_RED_BALANCE:
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core->red_bal = ctrl->val;
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break;
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case V4L2_CID_BLUE_BALANCE:
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core->blue_bal = ctrl->val;
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break;
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case V4L2_CID_HFLIP:
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core->hflip = ctrl->val;
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set_read_mode(sd);
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return 0;
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case V4L2_CID_VFLIP:
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core->vflip = ctrl->val;
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set_read_mode(sd);
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return 0;
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default:
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return -EINVAL;
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}
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set_balance(sd);
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return 0;
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}
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static struct v4l2_ctrl_ops mt9v011_ctrl_ops = {
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.s_ctrl = mt9v011_s_ctrl,
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};
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static const struct v4l2_subdev_core_ops mt9v011_core_ops = {
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.reset = mt9v011_reset,
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.g_chip_ident = mt9v011_g_chip_ident,
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#ifdef CONFIG_VIDEO_ADV_DEBUG
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@ -658,6 +543,30 @@ static int mt9v011_probe(struct i2c_client *c,
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return -EINVAL;
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}
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v4l2_ctrl_handler_init(&core->ctrls, 5);
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v4l2_ctrl_new_std(&core->ctrls, &mt9v011_ctrl_ops,
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V4L2_CID_GAIN, 0, (1 << 12) - 1 - 0x20, 1, 0x20);
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v4l2_ctrl_new_std(&core->ctrls, &mt9v011_ctrl_ops,
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V4L2_CID_EXPOSURE, 0, 2047, 1, 0x01fc);
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v4l2_ctrl_new_std(&core->ctrls, &mt9v011_ctrl_ops,
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V4L2_CID_RED_BALANCE, -(1 << 9), (1 << 9) - 1, 1, 0);
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v4l2_ctrl_new_std(&core->ctrls, &mt9v011_ctrl_ops,
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V4L2_CID_BLUE_BALANCE, -(1 << 9), (1 << 9) - 1, 1, 0);
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v4l2_ctrl_new_std(&core->ctrls, &mt9v011_ctrl_ops,
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V4L2_CID_HFLIP, 0, 1, 1, 0);
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v4l2_ctrl_new_std(&core->ctrls, &mt9v011_ctrl_ops,
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V4L2_CID_VFLIP, 0, 1, 1, 0);
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if (core->ctrls.error) {
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int ret = core->ctrls.error;
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v4l2_err(sd, "control initialization error %d\n", ret);
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v4l2_ctrl_handler_free(&core->ctrls);
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kfree(core);
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return ret;
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}
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core->sd.ctrl_handler = &core->ctrls;
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core->global_gain = 0x0024;
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core->exposure = 0x01fc;
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core->width = 640;
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@ -681,12 +590,14 @@ static int mt9v011_probe(struct i2c_client *c,
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static int mt9v011_remove(struct i2c_client *c)
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{
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struct v4l2_subdev *sd = i2c_get_clientdata(c);
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struct mt9v011 *core = to_mt9v011(sd);
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v4l2_dbg(1, debug, sd,
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"mt9v011.c: removing mt9v011 adapter on address 0x%x\n",
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c->addr << 1);
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v4l2_device_unregister_subdev(sd);
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v4l2_ctrl_handler_free(&core->ctrls);
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kfree(to_mt9v011(sd));
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return 0;
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}
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