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Commit ea01a83d authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
Browse files

[media] mt9v011: convert to the control framework 



Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Tested-by: default avatarFrank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 28718152

drivers/media/i2c/mt9v011.c

+67 −156
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
#include <asm/div64.h>

#include <media/v4l2-device.h>

#include <media/v4l2-chip-ident.h>

#include <media/v4l2-ctrls.h>

#include <media/mt9v011.h>



MODULE_DESCRIPTION("Micron mt9v011 sensor driver");
@@ -48,68 +49,9 @@ MODULE_PARM_DESC(debug, "Debug level (0-2)"); 
#define MT9V011_VERSION			0x8232

#define MT9V011_REV_B_VERSION		0x8243



/* supported controls */

static struct v4l2_queryctrl mt9v011_qctrl[] = {

	{

		.id = V4L2_CID_GAIN,

		.type = V4L2_CTRL_TYPE_INTEGER,

		.name = "Gain",

		.minimum = 0,

		.maximum = (1 << 12) - 1 - 0x0020,

		.step = 1,

		.default_value = 0x0020,

		.flags = 0,

	}, {

		.id = V4L2_CID_EXPOSURE,

		.type = V4L2_CTRL_TYPE_INTEGER,

		.name = "Exposure",

		.minimum = 0,

		.maximum = 2047,

		.step = 1,

		.default_value = 0x01fc,

		.flags = 0,

	}, {

		.id = V4L2_CID_RED_BALANCE,

		.type = V4L2_CTRL_TYPE_INTEGER,

		.name = "Red Balance",

		.minimum = -1 << 9,

		.maximum = (1 << 9) - 1,

		.step = 1,

		.default_value = 0,

		.flags = 0,

	}, {

		.id = V4L2_CID_BLUE_BALANCE,

		.type = V4L2_CTRL_TYPE_INTEGER,

		.name = "Blue Balance",

		.minimum = -1 << 9,

		.maximum = (1 << 9) - 1,

		.step = 1,

		.default_value = 0,

		.flags = 0,

	}, {

		.id      = V4L2_CID_HFLIP,

		.type    = V4L2_CTRL_TYPE_BOOLEAN,

		.name    = "Mirror",

		.minimum = 0,

		.maximum = 1,

		.step    = 1,

		.default_value = 0,

		.flags = 0,

	}, {

		.id      = V4L2_CID_VFLIP,

		.type    = V4L2_CTRL_TYPE_BOOLEAN,

		.name    = "Vflip",

		.minimum = 0,

		.maximum = 1,

		.step    = 1,

		.default_value = 0,

		.flags = 0,

	}, {

	}

};



struct mt9v011 {

	struct v4l2_subdev sd;

	struct v4l2_ctrl_handler ctrls;

	unsigned width, height;

	unsigned xtal;

	unsigned hflip:1;
@@ -380,99 +322,6 @@ static int mt9v011_reset(struct v4l2_subdev *sd, u32 val) 
	set_res(sd);

	set_read_mode(sd);



	return 0;

};



static int mt9v011_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)

{

	struct mt9v011 *core = to_mt9v011(sd);



	v4l2_dbg(1, debug, sd, "g_ctrl called\n");



	switch (ctrl->id) {

	case V4L2_CID_GAIN:

		ctrl->value = core->global_gain;

		return 0;

	case V4L2_CID_EXPOSURE:

		ctrl->value = core->exposure;

		return 0;

	case V4L2_CID_RED_BALANCE:

		ctrl->value = core->red_bal;

		return 0;

	case V4L2_CID_BLUE_BALANCE:

		ctrl->value = core->blue_bal;

		return 0;

	case V4L2_CID_HFLIP:

		ctrl->value = core->hflip ? 1 : 0;

		return 0;

	case V4L2_CID_VFLIP:

		ctrl->value = core->vflip ? 1 : 0;

		return 0;

	}

	return -EINVAL;

}



static int mt9v011_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)

{

	int i;



	v4l2_dbg(1, debug, sd, "queryctrl called\n");



	for (i = 0; i < ARRAY_SIZE(mt9v011_qctrl); i++)

		if (qc->id && qc->id == mt9v011_qctrl[i].id) {

			memcpy(qc, &(mt9v011_qctrl[i]),

			       sizeof(*qc));

			return 0;

		}



	return -EINVAL;

}





static int mt9v011_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)

{

	struct mt9v011 *core = to_mt9v011(sd);

	u8 i, n;

	n = ARRAY_SIZE(mt9v011_qctrl);



	for (i = 0; i < n; i++) {

		if (ctrl->id != mt9v011_qctrl[i].id)

			continue;

		if (ctrl->value < mt9v011_qctrl[i].minimum ||

		    ctrl->value > mt9v011_qctrl[i].maximum)

			return -ERANGE;

		v4l2_dbg(1, debug, sd, "s_ctrl: id=%d, value=%d\n",

					ctrl->id, ctrl->value);

		break;

	}



	switch (ctrl->id) {

	case V4L2_CID_GAIN:

		core->global_gain = ctrl->value;

		break;

	case V4L2_CID_EXPOSURE:

		core->exposure = ctrl->value;

		break;

	case V4L2_CID_RED_BALANCE:

		core->red_bal = ctrl->value;

		break;

	case V4L2_CID_BLUE_BALANCE:

		core->blue_bal = ctrl->value;

		break;

	case V4L2_CID_HFLIP:

		core->hflip = ctrl->value;

		set_read_mode(sd);

		return 0;

	case V4L2_CID_VFLIP:

		core->vflip = ctrl->value;

		set_read_mode(sd);

		return 0;

	default:

		return -EINVAL;

	}



	set_balance(sd);



	return 0;

}
@@ -599,10 +448,46 @@ static int mt9v011_g_chip_ident(struct v4l2_subdev *sd, 
					  version);

}



static const struct v4l2_subdev_core_ops mt9v011_core_ops = {

	.queryctrl = mt9v011_queryctrl,

	.g_ctrl = mt9v011_g_ctrl,

static int mt9v011_s_ctrl(struct v4l2_ctrl *ctrl)

{

	struct mt9v011 *core =

		container_of(ctrl->handler, struct mt9v011, ctrls);

	struct v4l2_subdev *sd = &core->sd;



	switch (ctrl->id) {

	case V4L2_CID_GAIN:

		core->global_gain = ctrl->val;

		break;

	case V4L2_CID_EXPOSURE:

		core->exposure = ctrl->val;

		break;

	case V4L2_CID_RED_BALANCE:

		core->red_bal = ctrl->val;

		break;

	case V4L2_CID_BLUE_BALANCE:

		core->blue_bal = ctrl->val;

		break;

	case V4L2_CID_HFLIP:

		core->hflip = ctrl->val;

		set_read_mode(sd);

		return 0;

	case V4L2_CID_VFLIP:

		core->vflip = ctrl->val;

		set_read_mode(sd);

		return 0;

	default:

		return -EINVAL;

	}



	set_balance(sd);

	return 0;

}



static struct v4l2_ctrl_ops mt9v011_ctrl_ops = {

	.s_ctrl = mt9v011_s_ctrl,

};



static const struct v4l2_subdev_core_ops mt9v011_core_ops = {

	.reset = mt9v011_reset,

	.g_chip_ident = mt9v011_g_chip_ident,

#ifdef CONFIG_VIDEO_ADV_DEBUG
@@ -658,6 +543,30 @@ static int mt9v011_probe(struct i2c_client *c, 
		return -EINVAL;

	}



	v4l2_ctrl_handler_init(&core->ctrls, 5);

	v4l2_ctrl_new_std(&core->ctrls, &mt9v011_ctrl_ops,

			  V4L2_CID_GAIN, 0, (1 << 12) - 1 - 0x20, 1, 0x20);

	v4l2_ctrl_new_std(&core->ctrls, &mt9v011_ctrl_ops,

			  V4L2_CID_EXPOSURE, 0, 2047, 1, 0x01fc);

	v4l2_ctrl_new_std(&core->ctrls, &mt9v011_ctrl_ops,

			  V4L2_CID_RED_BALANCE, -(1 << 9), (1 << 9) - 1, 1, 0);

	v4l2_ctrl_new_std(&core->ctrls, &mt9v011_ctrl_ops,

			  V4L2_CID_BLUE_BALANCE, -(1 << 9), (1 << 9) - 1, 1, 0);

	v4l2_ctrl_new_std(&core->ctrls, &mt9v011_ctrl_ops,

			  V4L2_CID_HFLIP, 0, 1, 1, 0);

	v4l2_ctrl_new_std(&core->ctrls, &mt9v011_ctrl_ops,

			  V4L2_CID_VFLIP, 0, 1, 1, 0);



	if (core->ctrls.error) {

		int ret = core->ctrls.error;



		v4l2_err(sd, "control initialization error %d\n", ret);

		v4l2_ctrl_handler_free(&core->ctrls);

		kfree(core);

		return ret;

	}

	core->sd.ctrl_handler = &core->ctrls;



	core->global_gain = 0x0024;

	core->exposure = 0x01fc;

	core->width  = 640;
@@ -681,12 +590,14 @@ static int mt9v011_probe(struct i2c_client *c, 
static int mt9v011_remove(struct i2c_client *c)

{

	struct v4l2_subdev *sd = i2c_get_clientdata(c);

	struct mt9v011 *core = to_mt9v011(sd);



	v4l2_dbg(1, debug, sd,

		"mt9v011.c: removing mt9v011 adapter on address 0x%x\n",

		c->addr << 1);



	v4l2_device_unregister_subdev(sd);

	v4l2_ctrl_handler_free(&core->ctrls);

	kfree(to_mt9v011(sd));

	return 0;

}