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Commit 1bfea3e4 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
Browse files

[media] gspca-cpia1: convert to the control framework 



Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent cbc1c94c

drivers/media/video/gspca/cpia1.c

+127 −358
Original line number Diff line number Diff line
@@ -225,6 +225,15 @@ MODULE_LICENSE("GPL"); 
#define FIRMWARE_VERSION(x, y) (sd->params.version.firmwareVersion == (x) && \

				sd->params.version.firmwareRevision == (y))



#define CPIA1_CID_COMP_TARGET (V4L2_CTRL_CLASS_USER + 0x1000)

#define BRIGHTNESS_DEF 50

#define CONTRAST_DEF 48

#define SATURATION_DEF 50

#define FREQ_DEF V4L2_CID_POWER_LINE_FREQUENCY_50HZ

#define ILLUMINATORS_1_DEF 0

#define ILLUMINATORS_2_DEF 0

#define COMP_TARGET_DEF CPIA_COMPRESSION_TARGET_QUALITY



/* Developer's Guide Table 5 p 3-34

 * indexed by [mains][sensorFps.baserate][sensorFps.divisor]*/

static u8 flicker_jumps[2][2][4] =
@@ -360,135 +369,9 @@ struct sd { 
	atomic_t fps;

	int exposure_count;

	u8 exposure_status;

	struct v4l2_ctrl *freq;

	u8 mainsFreq;				/* 0 = 50hz, 1 = 60hz */

	u8 first_frame;

	u8 freq;

};



/* V4L2 controls supported by the driver */

static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);

static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);

static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);

static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);

static int sd_setsaturation(struct gspca_dev *gspca_dev, __s32 val);

static int sd_getsaturation(struct gspca_dev *gspca_dev, __s32 *val);

static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val);

static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val);

static int sd_setcomptarget(struct gspca_dev *gspca_dev, __s32 val);

static int sd_getcomptarget(struct gspca_dev *gspca_dev, __s32 *val);

static int sd_setilluminator1(struct gspca_dev *gspca_dev, __s32 val);

static int sd_getilluminator1(struct gspca_dev *gspca_dev, __s32 *val);

static int sd_setilluminator2(struct gspca_dev *gspca_dev, __s32 val);

static int sd_getilluminator2(struct gspca_dev *gspca_dev, __s32 *val);



static const struct ctrl sd_ctrls[] = {

	{

#define BRIGHTNESS_IDX 0

	    {

		.id      = V4L2_CID_BRIGHTNESS,

		.type    = V4L2_CTRL_TYPE_INTEGER,

		.name    = "Brightness",

		.minimum = 0,

		.maximum = 100,

		.step = 1,

#define BRIGHTNESS_DEF 50

		.default_value = BRIGHTNESS_DEF,

		.flags = 0,

	    },

	    .set = sd_setbrightness,

	    .get = sd_getbrightness,

	},

#define CONTRAST_IDX 1

	{

	    {

		.id      = V4L2_CID_CONTRAST,

		.type    = V4L2_CTRL_TYPE_INTEGER,

		.name    = "Contrast",

		.minimum = 0,

		.maximum = 96,

		.step    = 8,

#define CONTRAST_DEF 48

		.default_value = CONTRAST_DEF,

	    },

	    .set = sd_setcontrast,

	    .get = sd_getcontrast,

	},

#define SATURATION_IDX 2

	{

	    {

		.id      = V4L2_CID_SATURATION,

		.type    = V4L2_CTRL_TYPE_INTEGER,

		.name    = "Saturation",

		.minimum = 0,

		.maximum = 100,

		.step    = 1,

#define SATURATION_DEF 50

		.default_value = SATURATION_DEF,

	    },

	    .set = sd_setsaturation,

	    .get = sd_getsaturation,

	},

#define POWER_LINE_FREQUENCY_IDX 3

	{

		{

			.id	 = V4L2_CID_POWER_LINE_FREQUENCY,

			.type    = V4L2_CTRL_TYPE_MENU,

			.name    = "Light frequency filter",

			.minimum = 0,

			.maximum = 2,	/* 0: 0, 1: 50Hz, 2:60Hz */

			.step    = 1,

#define FREQ_DEF 1

			.default_value = FREQ_DEF,

		},

		.set = sd_setfreq,

		.get = sd_getfreq,

	},

#define ILLUMINATORS_1_IDX 4

	{

		{

			.id	 = V4L2_CID_ILLUMINATORS_1,

			.type    = V4L2_CTRL_TYPE_BOOLEAN,

			.name    = "Illuminator 1",

			.minimum = 0,

			.maximum = 1,

			.step    = 1,

#define ILLUMINATORS_1_DEF 0

			.default_value = ILLUMINATORS_1_DEF,

		},

		.set = sd_setilluminator1,

		.get = sd_getilluminator1,

	},

#define ILLUMINATORS_2_IDX 5

	{

		{

			.id	 = V4L2_CID_ILLUMINATORS_2,

			.type    = V4L2_CTRL_TYPE_BOOLEAN,

			.name    = "Illuminator 2",

			.minimum = 0,

			.maximum = 1,

			.step    = 1,

#define ILLUMINATORS_2_DEF 0

			.default_value = ILLUMINATORS_2_DEF,

		},

		.set = sd_setilluminator2,

		.get = sd_getilluminator2,

	},

#define COMP_TARGET_IDX 6

	{

		{

#define V4L2_CID_COMP_TARGET V4L2_CID_PRIVATE_BASE

			.id	 = V4L2_CID_COMP_TARGET,

			.type    = V4L2_CTRL_TYPE_MENU,

			.name    = "Compression Target",

			.minimum = 0,

			.maximum = 1,

			.step    = 1,

#define COMP_TARGET_DEF CPIA_COMPRESSION_TARGET_QUALITY

			.default_value = COMP_TARGET_DEF,

		},

		.set = sd_setcomptarget,

		.get = sd_getcomptarget,

	},

};



static const struct v4l2_pix_format mode[] = {
@@ -770,15 +653,6 @@ static void reset_camera_params(struct gspca_dev *gspca_dev) 
	params->apcor.gain2 = 0x16;

	params->apcor.gain4 = 0x24;

	params->apcor.gain8 = 0x34;

	params->flickerControl.flickerMode = 0;

	params->flickerControl.disabled = 1;



	params->flickerControl.coarseJump =

		flicker_jumps[sd->mainsFreq]

			     [params->sensorFps.baserate]

			     [params->sensorFps.divisor];

	params->flickerControl.allowableOverExposure =

		find_over_exposure(params->colourParams.brightness);

	params->vlOffset.gain1 = 20;

	params->vlOffset.gain2 = 24;

	params->vlOffset.gain4 = 26;
@@ -798,6 +672,15 @@ static void reset_camera_params(struct gspca_dev *gspca_dev) 
	params->sensorFps.divisor = 1;

	params->sensorFps.baserate = 1;



	params->flickerControl.flickerMode = 0;

	params->flickerControl.disabled = 1;

	params->flickerControl.coarseJump =

		flicker_jumps[sd->mainsFreq]

			     [params->sensorFps.baserate]

			     [params->sensorFps.divisor];

	params->flickerControl.allowableOverExposure =

		find_over_exposure(params->colourParams.brightness);



	params->yuvThreshold.yThreshold = 6; /* From windows driver */

	params->yuvThreshold.uvThreshold = 6; /* From windows driver */
@@ -1110,9 +993,6 @@ static int command_setlights(struct gspca_dev *gspca_dev) 
	struct sd *sd = (struct sd *) gspca_dev;

	int ret, p1, p2;



	if (!sd->params.qx3.qx3_detected)

		return 0;



	p1 = (sd->params.qx3.bottomlight == 0) << 1;

	p2 = (sd->params.qx3.toplight == 0) << 3;
@@ -1551,8 +1431,10 @@ static void restart_flicker(struct gspca_dev *gspca_dev) 
static int sd_config(struct gspca_dev *gspca_dev,

			const struct usb_device_id *id)

{

	struct sd *sd = (struct sd *) gspca_dev;

	struct cam *cam;



	sd->mainsFreq = FREQ_DEF == V4L2_CID_POWER_LINE_FREQUENCY_60HZ;

	reset_camera_params(gspca_dev);



	PDEBUG(D_PROBE, "cpia CPiA camera detected (vid/pid 0x%04X:0x%04X)",
@@ -1562,8 +1444,25 @@ static int sd_config(struct gspca_dev *gspca_dev, 
	cam->cam_mode = mode;

	cam->nmodes = ARRAY_SIZE(mode);



	sd_setfreq(gspca_dev, FREQ_DEF);

	goto_low_power(gspca_dev);

	/* Check the firmware version. */

	sd->params.version.firmwareVersion = 0;

	get_version_information(gspca_dev);

	if (sd->params.version.firmwareVersion != 1) {

		PDEBUG(D_ERR, "only firmware version 1 is supported (got: %d)",

		       sd->params.version.firmwareVersion);

		return -ENODEV;

	}



	/* A bug in firmware 1-02 limits gainMode to 2 */

	if (sd->params.version.firmwareRevision <= 2 &&

	    sd->params.exposure.gainMode > 2) {

		sd->params.exposure.gainMode = 2;

	}



	/* set QX3 detected flag */

	sd->params.qx3.qx3_detected = (sd->params.pnpID.vendor == 0x0813 &&

				       sd->params.pnpID.product == 0x0001);

	return 0;

}
@@ -1602,21 +1501,6 @@ static int sd_start(struct gspca_dev *gspca_dev) 
	/* Check the firmware version. */

	sd->params.version.firmwareVersion = 0;

	get_version_information(gspca_dev);

	if (sd->params.version.firmwareVersion != 1) {

		PDEBUG(D_ERR, "only firmware version 1 is supported (got: %d)",

		       sd->params.version.firmwareVersion);

		return -ENODEV;

	}



	/* A bug in firmware 1-02 limits gainMode to 2 */

	if (sd->params.version.firmwareRevision <= 2 &&

	    sd->params.exposure.gainMode > 2) {

		sd->params.exposure.gainMode = 2;

	}



	/* set QX3 detected flag */

	sd->params.qx3.qx3_detected = (sd->params.pnpID.vendor == 0x0813 &&

				       sd->params.pnpID.product == 0x0001);



	/* The fatal error checking should be done after

	 * the camera powers up (developer's guide p 3-38) */
@@ -1785,9 +1669,6 @@ static int sd_init(struct gspca_dev *gspca_dev) 
	   or disable the illuminator controls, if this isn't a QX3 */

	if (sd->params.qx3.qx3_detected)

		command_setlights(gspca_dev);

	else

		gspca_dev->ctrl_dis |=

			((1 << ILLUMINATORS_1_IDX) | (1 << ILLUMINATORS_2_IDX));



	sd_stopN(gspca_dev);
@@ -1871,235 +1752,123 @@ static void sd_dq_callback(struct gspca_dev *gspca_dev) 
	do_command(gspca_dev, CPIA_COMMAND_ReadMCPorts, 0, 0, 0, 0);

}



static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)

static int sd_s_ctrl(struct v4l2_ctrl *ctrl)

{

	struct gspca_dev *gspca_dev =

		container_of(ctrl->handler, struct gspca_dev, ctrl_handler);

	struct sd *sd = (struct sd *)gspca_dev;

	int ret;



	sd->params.colourParams.brightness = val;

	sd->params.flickerControl.allowableOverExposure =

		find_over_exposure(sd->params.colourParams.brightness);

	if (gspca_dev->streaming) {

		ret = command_setcolourparams(gspca_dev);

		if (ret)

			return ret;

		return command_setflickerctrl(gspca_dev);

	}

	return 0;

}



static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)

{

	struct sd *sd = (struct sd *) gspca_dev;

	gspca_dev->usb_err = 0;



	*val = sd->params.colourParams.brightness;

	if (!gspca_dev->streaming && ctrl->id != V4L2_CID_POWER_LINE_FREQUENCY)

		return 0;

}



static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)

{

	struct sd *sd = (struct sd *) gspca_dev;



	sd->params.colourParams.contrast = val;

	if (gspca_dev->streaming)

		return command_setcolourparams(gspca_dev);



	return 0;

}



static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)

{

	struct sd *sd = (struct sd *) gspca_dev;



	*val = sd->params.colourParams.contrast;

	return 0;

}



static int sd_setsaturation(struct gspca_dev *gspca_dev, __s32 val)

{

	struct sd *sd = (struct sd *) gspca_dev;



	sd->params.colourParams.saturation = val;

	if (gspca_dev->streaming)

		return command_setcolourparams(gspca_dev);



	return 0;

}



static int sd_getsaturation(struct gspca_dev *gspca_dev, __s32 *val)

{

	struct sd *sd = (struct sd *) gspca_dev;



	*val = sd->params.colourParams.saturation;

	return 0;

}



static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val)

{

	struct sd *sd = (struct sd *) gspca_dev;

	int on;



	switch (val) {

	case 0:		/* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */

		on = 0;

	switch (ctrl->id) {

	case V4L2_CID_BRIGHTNESS:

		sd->params.colourParams.brightness = ctrl->val;

		sd->params.flickerControl.allowableOverExposure =

			find_over_exposure(sd->params.colourParams.brightness);

		gspca_dev->usb_err = command_setcolourparams(gspca_dev);

		if (!gspca_dev->usb_err)

			gspca_dev->usb_err = command_setflickerctrl(gspca_dev);

		break;

	case 1:		/* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */

		on = 1;

		sd->mainsFreq = 0;

	case V4L2_CID_CONTRAST:

		sd->params.colourParams.contrast = ctrl->val;

		gspca_dev->usb_err = command_setcolourparams(gspca_dev);

		break;

	case 2:		/* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */

		on = 1;

		sd->mainsFreq = 1;

	case V4L2_CID_SATURATION:

		sd->params.colourParams.saturation = ctrl->val;

		gspca_dev->usb_err = command_setcolourparams(gspca_dev);

		break;

	default:

		return -EINVAL;

	}



	sd->freq = val;

	case V4L2_CID_POWER_LINE_FREQUENCY:

		sd->mainsFreq = ctrl->val == V4L2_CID_POWER_LINE_FREQUENCY_60HZ;

		sd->params.flickerControl.coarseJump =

			flicker_jumps[sd->mainsFreq]

			[sd->params.sensorFps.baserate]

			[sd->params.sensorFps.divisor];



	return set_flicker(gspca_dev, on, gspca_dev->streaming);

}



static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val)

{

	struct sd *sd = (struct sd *) gspca_dev;



	*val = sd->freq;

	return 0;

}



static int sd_setcomptarget(struct gspca_dev *gspca_dev, __s32 val)

{

	struct sd *sd = (struct sd *) gspca_dev;



	sd->params.compressionTarget.frTargeting = val;

	if (gspca_dev->streaming)

		return command_setcompressiontarget(gspca_dev);



	return 0;

}



static int sd_getcomptarget(struct gspca_dev *gspca_dev, __s32 *val)

{

	struct sd *sd = (struct sd *) gspca_dev;



	*val = sd->params.compressionTarget.frTargeting;

	return 0;

}



static int sd_setilluminator(struct gspca_dev *gspca_dev, __s32 val, int n)

{

	struct sd *sd = (struct sd *) gspca_dev;

	int ret;



	if (!sd->params.qx3.qx3_detected)

		return -EINVAL;



	switch (n) {

	case 1:

		sd->params.qx3.bottomlight = val ? 1 : 0;

		gspca_dev->usb_err = set_flicker(gspca_dev,

			ctrl->val != V4L2_CID_POWER_LINE_FREQUENCY_DISABLED,

			gspca_dev->streaming);

		break;

	case 2:

		sd->params.qx3.toplight = val ? 1 : 0;

	case V4L2_CID_ILLUMINATORS_1:

		sd->params.qx3.bottomlight = ctrl->val;

		gspca_dev->usb_err = command_setlights(gspca_dev);

		break;

	default:

		return -EINVAL;

	}



	ret = command_setlights(gspca_dev);

	if (ret && ret != -EINVAL)

		ret = -EBUSY;



	return ret;

}



static int sd_setilluminator1(struct gspca_dev *gspca_dev, __s32 val)

{

	return sd_setilluminator(gspca_dev, val, 1);

}



static int sd_setilluminator2(struct gspca_dev *gspca_dev, __s32 val)

{

	return sd_setilluminator(gspca_dev, val, 2);

}



static int sd_getilluminator(struct gspca_dev *gspca_dev, __s32 *val, int n)

{

	struct sd *sd = (struct sd *) gspca_dev;



	if (!sd->params.qx3.qx3_detected)

		return -EINVAL;



	switch (n) {

	case 1:

		*val = sd->params.qx3.bottomlight;

	case V4L2_CID_ILLUMINATORS_2:

		sd->params.qx3.toplight = ctrl->val;

		gspca_dev->usb_err = command_setlights(gspca_dev);

		break;

	case 2:

		*val = sd->params.qx3.toplight;

	case CPIA1_CID_COMP_TARGET:

		sd->params.compressionTarget.frTargeting = ctrl->val;

		gspca_dev->usb_err = command_setcompressiontarget(gspca_dev);

		break;

	default:

		return -EINVAL;

	}

	return 0;

	return gspca_dev->usb_err;

}



static int sd_getilluminator1(struct gspca_dev *gspca_dev, __s32 *val)

{

	return sd_getilluminator(gspca_dev, val, 1);

}

static const struct v4l2_ctrl_ops sd_ctrl_ops = {

	.s_ctrl = sd_s_ctrl,

};



static int sd_getilluminator2(struct gspca_dev *gspca_dev, __s32 *val)

static int sd_init_controls(struct gspca_dev *gspca_dev)

{

	return sd_getilluminator(gspca_dev, val, 2);

}

	struct sd *sd = (struct sd *)gspca_dev;

	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;

	static const char * const comp_target_menu[] = {

		"Quality",

		"Framerate",

		NULL

	};

	static const struct v4l2_ctrl_config comp_target = {

		.ops = &sd_ctrl_ops,

		.id = CPIA1_CID_COMP_TARGET,

		.type = V4L2_CTRL_TYPE_MENU,

		.name = "Compression Target",

		.qmenu = comp_target_menu,

		.max = 1,

		.def = COMP_TARGET_DEF,

	};



static int sd_querymenu(struct gspca_dev *gspca_dev,

			struct v4l2_querymenu *menu)

{

	switch (menu->id) {

	case V4L2_CID_POWER_LINE_FREQUENCY:

		switch (menu->index) {

		case 0:		/* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */

			strcpy((char *) menu->name, "NoFliker");

			return 0;

		case 1:		/* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */

			strcpy((char *) menu->name, "50 Hz");

			return 0;

		case 2:		/* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */

			strcpy((char *) menu->name, "60 Hz");

			return 0;

	gspca_dev->vdev.ctrl_handler = hdl;

	v4l2_ctrl_handler_init(hdl, 7);

	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,

			V4L2_CID_BRIGHTNESS, 0, 100, 1, BRIGHTNESS_DEF);

	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,

			V4L2_CID_CONTRAST, 0, 96, 8, CONTRAST_DEF);

	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,

			V4L2_CID_SATURATION, 0, 100, 1, SATURATION_DEF);

	sd->freq = v4l2_ctrl_new_std_menu(hdl, &sd_ctrl_ops,

			V4L2_CID_POWER_LINE_FREQUENCY,

			V4L2_CID_POWER_LINE_FREQUENCY_60HZ, 0,

			FREQ_DEF);

	if (sd->params.qx3.qx3_detected) {

		v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,

				V4L2_CID_ILLUMINATORS_1, 0, 1, 1,

				ILLUMINATORS_1_DEF);

		v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,

				V4L2_CID_ILLUMINATORS_2, 0, 1, 1,

				ILLUMINATORS_2_DEF);

	}

	v4l2_ctrl_new_custom(hdl, &comp_target, NULL);



	if (hdl->error) {

		pr_err("Could not initialize controls\n");

		return hdl->error;

	}

		break;

	case V4L2_CID_COMP_TARGET:

		switch (menu->index) {

		case CPIA_COMPRESSION_TARGET_QUALITY:

			strcpy((char *) menu->name, "Quality");

			return 0;

		case CPIA_COMPRESSION_TARGET_FRAMERATE:

			strcpy((char *) menu->name, "Framerate");

	return 0;

}

		break;

	}

	return -EINVAL;

}



/* sub-driver description */

static const struct sd_desc sd_desc = {

	.name = MODULE_NAME,

	.ctrls = sd_ctrls,

	.nctrls = ARRAY_SIZE(sd_ctrls),

	.config = sd_config,

	.init = sd_init,

	.init_controls = sd_init_controls,

	.start = sd_start,

	.stopN = sd_stopN,

	.dq_callback = sd_dq_callback,

	.pkt_scan = sd_pkt_scan,

	.querymenu = sd_querymenu,

#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)

	.other_input = 1,

#endif