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Commit 6e937b7f authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
Browse files

[media] spca1528: 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 5262eeec

drivers/media/video/gspca/spca1528.c

+61 −207
Original line number Diff line number Diff line
@@ -33,102 +33,11 @@ MODULE_LICENSE("GPL"); 
struct sd {

	struct gspca_dev gspca_dev;	/* !! must be the first item */



	u8 brightness;

	u8 contrast;

	u8 hue;

	u8 color;

	u8 sharpness;



	u8 pkt_seq;



	u8 jpeg_hdr[JPEG_HDR_SZ];

};



/* 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_sethue(struct gspca_dev *gspca_dev, __s32 val);

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

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

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

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

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



static const struct ctrl sd_ctrls[] = {

	{

	    {

		.id      = V4L2_CID_BRIGHTNESS,

		.type    = V4L2_CTRL_TYPE_INTEGER,

		.name    = "Brightness",

		.minimum = 0,

		.maximum = 255,

		.step    = 1,

#define BRIGHTNESS_DEF 128

		.default_value = BRIGHTNESS_DEF,

	    },

	    .set = sd_setbrightness,

	    .get = sd_getbrightness,

	},

	{

	    {

		.id      = V4L2_CID_CONTRAST,

		.type    = V4L2_CTRL_TYPE_INTEGER,

		.name    = "Contrast",

		.minimum = 0,

		.maximum = 8,

		.step    = 1,

#define CONTRAST_DEF 1

		.default_value = CONTRAST_DEF,

	    },

	    .set = sd_setcontrast,

	    .get = sd_getcontrast,

	},

	{

	    {

		.id      = V4L2_CID_HUE,

		.type    = V4L2_CTRL_TYPE_INTEGER,

		.name    = "Hue",

		.minimum = 0,

		.maximum = 255,

		.step    = 1,

#define HUE_DEF 0

		.default_value = HUE_DEF,

	    },

	    .set = sd_sethue,

	    .get = sd_gethue,

	},

	{

	    {

		.id      = V4L2_CID_SATURATION,

		.type    = V4L2_CTRL_TYPE_INTEGER,

		.name    = "Saturation",

		.minimum = 0,

		.maximum = 8,

		.step    = 1,

#define COLOR_DEF 1

		.default_value = COLOR_DEF,

	    },

	    .set = sd_setcolor,

	    .get = sd_getcolor,

	},

	{

	    {

		.id	 = V4L2_CID_SHARPNESS,

		.type    = V4L2_CTRL_TYPE_INTEGER,

		.name    = "Sharpness",

		.minimum = 0,

		.maximum = 255,

		.step    = 1,

#define SHARPNESS_DEF 0

		.default_value = SHARPNESS_DEF,

	    },

	    .set = sd_setsharpness,

	    .get = sd_getsharpness,

	},

};



static const struct v4l2_pix_format vga_mode[] = {

/*		(does not work correctly)

	{176, 144, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
@@ -259,58 +168,40 @@ static void wait_status_1(struct gspca_dev *gspca_dev) 
	gspca_dev->usb_err = -ETIME;

}



static void setbrightness(struct gspca_dev *gspca_dev)

static void setbrightness(struct gspca_dev *gspca_dev, s32 val)

{

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



	reg_wb(gspca_dev, 0xc0, 0x0000, 0x00c0, sd->brightness);

	reg_wb(gspca_dev, 0xc0, 0x0000, 0x00c0, val);

}



static void setcontrast(struct gspca_dev *gspca_dev)

static void setcontrast(struct gspca_dev *gspca_dev, s32 val)

{

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



	reg_wb(gspca_dev, 0xc1, 0x0000, 0x00c1, sd->contrast);

	reg_wb(gspca_dev, 0xc1, 0x0000, 0x00c1, val);

}



static void sethue(struct gspca_dev *gspca_dev)

static void sethue(struct gspca_dev *gspca_dev, s32 val)

{

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



	reg_wb(gspca_dev, 0xc2, 0x0000, 0x0000, sd->hue);

	reg_wb(gspca_dev, 0xc2, 0x0000, 0x0000, val);

}



static void setcolor(struct gspca_dev *gspca_dev)

static void setcolor(struct gspca_dev *gspca_dev, s32 val)

{

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



	reg_wb(gspca_dev, 0xc3, 0x0000, 0x00c3, sd->color);

	reg_wb(gspca_dev, 0xc3, 0x0000, 0x00c3, val);

}



static void setsharpness(struct gspca_dev *gspca_dev)

static void setsharpness(struct gspca_dev *gspca_dev, s32 val)

{

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



	reg_wb(gspca_dev, 0xc4, 0x0000, 0x00c4, sd->sharpness);

	reg_wb(gspca_dev, 0xc4, 0x0000, 0x00c4, val);

}



/* this function is called at probe time */

static int sd_config(struct gspca_dev *gspca_dev,

			const struct usb_device_id *id)

{

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



	gspca_dev->cam.cam_mode = vga_mode;

	gspca_dev->cam.nmodes = ARRAY_SIZE(vga_mode);

	gspca_dev->cam.npkt = 128; /* number of packets per ISOC message */

			/*fixme: 256 in ms-win traces*/



	sd->brightness = BRIGHTNESS_DEF;

	sd->contrast = CONTRAST_DEF;

	sd->hue = HUE_DEF;

	sd->color = COLOR_DEF;

	sd->sharpness = SHARPNESS_DEF;



	return 0;

}
@@ -371,11 +262,7 @@ static int sd_start(struct gspca_dev *gspca_dev) 
	jpeg_set_qual(sd->jpeg_hdr, 85);



	/* set the controls */

	setbrightness(gspca_dev);

	setcontrast(gspca_dev);

	sethue(gspca_dev);

	setcolor(gspca_dev);

	setsharpness(gspca_dev);

	v4l2_ctrl_handler_setup(&gspca_dev->ctrl_handler);



	msleep(5);

	reg_r(gspca_dev, 0x00, 0x2520, 1);
@@ -457,103 +344,70 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, 
	gspca_dev->last_packet_type = DISCARD_PACKET;

}



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

static int sd_s_ctrl(struct v4l2_ctrl *ctrl)

{

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

	struct gspca_dev *gspca_dev =

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



	sd->brightness = val;

	if (gspca_dev->streaming)

		setbrightness(gspca_dev);

	return gspca_dev->usb_err;

}



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->brightness;

	if (!gspca_dev->streaming)

		return 0;

}



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

{

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



	sd->contrast = val;

	if (gspca_dev->streaming)

		setcontrast(gspca_dev);

	return gspca_dev->usb_err;

	switch (ctrl->id) {

	case V4L2_CID_BRIGHTNESS:

		setbrightness(gspca_dev, ctrl->val);

		break;

	case V4L2_CID_CONTRAST:

		setcontrast(gspca_dev, ctrl->val);

		break;

	case V4L2_CID_HUE:

		sethue(gspca_dev, ctrl->val);

		break;

	case V4L2_CID_SATURATION:

		setcolor(gspca_dev, ctrl->val);

		break;

	case V4L2_CID_SHARPNESS:

		setsharpness(gspca_dev, ctrl->val);

		break;

	}



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

{

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



	*val = sd->contrast;

	return 0;

}



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

{

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



	sd->hue = val;

	if (gspca_dev->streaming)

		sethue(gspca_dev);

	return gspca_dev->usb_err;

}



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

{

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



	*val = sd->hue;

	return 0;

}



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

{

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



	sd->color = val;

	if (gspca_dev->streaming)

		setcolor(gspca_dev);

	return gspca_dev->usb_err;

}

static const struct v4l2_ctrl_ops sd_ctrl_ops = {

	.s_ctrl = sd_s_ctrl,

};



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

static int sd_init_controls(struct gspca_dev *gspca_dev)

{

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

	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;



	*val = sd->color;

	return 0;

}

	gspca_dev->vdev.ctrl_handler = hdl;

	v4l2_ctrl_handler_init(hdl, 5);

	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,

			V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);

	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,

			V4L2_CID_CONTRAST, 0, 8, 1, 1);

	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,

			V4L2_CID_HUE, 0, 255, 1, 0);

	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,

			V4L2_CID_SATURATION, 0, 8, 1, 1);

	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,

			V4L2_CID_SHARPNESS, 0, 255, 1, 0);



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

{

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



	sd->sharpness = val;

	if (gspca_dev->streaming)

		setsharpness(gspca_dev);

	return gspca_dev->usb_err;

	if (hdl->error) {

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

		return hdl->error;

	}



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

{

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



	*val = sd->sharpness;

	return 0;

}



/* 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,

	.isoc_init = sd_isoc_init,

	.start = sd_start,

	.stopN = sd_stopN,