1 // SPDX-License-Identifier: GPL-2.0-or-later
5  * V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
16 struct sd {  struct
35 /* TV-8532A (ICM532A) registers (LE) */
108 	gspca_dev->usb_buf[0] = value;  in reg_w1()
109 	usb_control_msg(gspca_dev->dev,  in reg_w1()
110 			usb_sndctrlpipe(gspca_dev->dev, 0),  in reg_w1()
114 			index, gspca_dev->usb_buf, 1, 500);  in reg_w1()
121 	gspca_dev->usb_buf[0] = value;  in reg_w2()
122 	gspca_dev->usb_buf[1] = value >> 8;  in reg_w2()
123 	usb_control_msg(gspca_dev->dev,  in reg_w2()
124 			usb_sndctrlpipe(gspca_dev->dev, 0),  in reg_w2()
128 			index, gspca_dev->usb_buf, 2, 500);  in reg_w2()
153 	cam = &gspca_dev->cam;  in sd_config()
154 	cam->cam_mode = sif_mode;  in sd_config()
155 	cam->nmodes = ARRAY_SIZE(sif_mode);  in sd_config()
202 /* -- start the camera -- */
205 	struct sd *sd = (struct sd *) gspca_dev;  in sd_start()  local
213 	if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {  in sd_start()
216 					/* CIF - 2 lines/packet */  in sd_start()
220 					/* CIF - 2 lines/packet */  in sd_start()
236 	gspca_dev->empty_packet = 0;		/* check the empty packets */  in sd_start()
237 	sd->packet = 0;				/* ignore the first packets */  in sd_start()
251 	struct sd *sd = (struct sd *) gspca_dev;  in sd_pkt_scan()  local
255 	if (gspca_dev->empty_packet) {  in sd_pkt_scan()
256 		gspca_dev->empty_packet = 0;  in sd_pkt_scan()
257 		sd->packet = gspca_dev->pixfmt.height / 2;  in sd_pkt_scan()
259 	} else if (sd->packet == 0)  in sd_pkt_scan()
260 		return;			/* 2 more lines in 352x288 ! */  in sd_pkt_scan()
261 	sd->packet--;  in sd_pkt_scan()
262 	if (sd->packet == 0)  in sd_pkt_scan()
266 	 * - header 2 bytes  in sd_pkt_scan()
267 	 * - RGRG line  in sd_pkt_scan()
268 	 * - 4 bytes  in sd_pkt_scan()
269 	 * - GBGB line  in sd_pkt_scan()
270 	 * - 4 bytes  in sd_pkt_scan()
273 			data + 2, gspca_dev->pixfmt.width);  in sd_pkt_scan()
275 			data + gspca_dev->pixfmt.width + 5,  in sd_pkt_scan()
276 			gspca_dev->pixfmt.width);  in sd_pkt_scan()
282 		container_of(ctrl->handler, struct gspca_dev, ctrl_handler);  in sd_s_ctrl()
284 	gspca_dev->usb_err = 0;  in sd_s_ctrl()
286 	if (!gspca_dev->streaming)  in sd_s_ctrl()
289 	switch (ctrl->id) {  in sd_s_ctrl()
291 		setexposure(gspca_dev, ctrl->val);  in sd_s_ctrl()
294 		setgain(gspca_dev, ctrl->val);  in sd_s_ctrl()
297 	return gspca_dev->usb_err;  in sd_s_ctrl()
306 	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;  in sd_init_controls()
308 	gspca_dev->vdev.ctrl_handler = hdl;  in sd_init_controls()
315 	if (hdl->error) {  in sd_init_controls()
317 		return hdl->error;  in sd_init_controls()
322 /* sub-driver description */
333 /* -- module initialisation -- */
345 /* -- device connect -- */
349 	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),  in sd_probe()