1 // SPDX-License-Identifier: GPL-2.0-or-later
5  * Supports some Jeilin dual-mode cameras which use bulk transport and
23 MODULE_DESCRIPTION("GSPCA/JEILINJ USB Camera Driver");
86 static void jlj_write2(struct gspca_dev *gspca_dev, unsigned char *command)  in jlj_write2()  argument
90 	if (gspca_dev->usb_err < 0)  in jlj_write2()
92 	memcpy(gspca_dev->usb_buf, command, 2);  in jlj_write2()
93 	retval = usb_bulk_msg(gspca_dev->dev,  in jlj_write2()
94 			usb_sndbulkpipe(gspca_dev->dev, 3),  in jlj_write2()
95 			gspca_dev->usb_buf, 2, NULL, 500);  in jlj_write2()
97 		pr_err("command write [%02x] error %d\n",  in jlj_write2()
98 		       gspca_dev->usb_buf[0], retval);  in jlj_write2()
99 		gspca_dev->usb_err = retval;  in jlj_write2()
108 	if (gspca_dev->usb_err < 0)  in jlj_read1()
110 	retval = usb_bulk_msg(gspca_dev->dev,  in jlj_read1()
111 	usb_rcvbulkpipe(gspca_dev->dev, 0x84),  in jlj_read1()
112 				gspca_dev->usb_buf, 1, NULL, 500);  in jlj_read1()
113 	*response = gspca_dev->usb_buf[0];  in jlj_read1()
115 		pr_err("read command [%02x] error %d\n",  in jlj_read1()
116 		       gspca_dev->usb_buf[0], retval);  in jlj_read1()
117 		gspca_dev->usb_err = retval;  in jlj_read1()
142 	/* adapt camera quality from jpeg quality */  in setcamquality()
143 	camquality = ((QUALITY_MAX - val) * CAMQUALITY_MAX)  in setcamquality()
144 		/ (QUALITY_MAX - QUALITY_MIN);  in setcamquality()
213 		{{0x71, 0x81 - gspca_dev->curr_mode}, 0, 0},  in jlj_start()
236 	sd->blocks_left = 0;  in jlj_start()
240 	if (sd->type == SPORTSCAM_DV15)  in jlj_start()
252 	setcamquality(gspca_dev, v4l2_ctrl_g_ctrl(sd->jpegqual));  in jlj_start()
254 	setfreq(gspca_dev, v4l2_ctrl_g_ctrl(sd->freq));  in jlj_start()
255 	if (gspca_dev->usb_err < 0)  in jlj_start()
256 		gspca_err(gspca_dev, "Start streaming command failed\n");  in jlj_start()
257 	return gspca_dev->usb_err;  in jlj_start()
276 		sd->blocks_left = data[0x0a] - 1;  in sd_pkt_scan()
278 			  sd->blocks_left);  in sd_pkt_scan()
281 				sd->jpeg_hdr, JPEG_HDR_SZ);  in sd_pkt_scan()
285 				JEILINJ_MAX_TRANSFER - FRAME_HEADER_LEN);  in sd_pkt_scan()
286 	} else if (sd->blocks_left > 0) {  in sd_pkt_scan()
288 			  sd->blocks_left);  in sd_pkt_scan()
289 		sd->blocks_left -= 1;  in sd_pkt_scan()
290 		if (sd->blocks_left == 0)  in sd_pkt_scan()
301 	gspca_dev->last_packet_type = DISCARD_PACKET;  in sd_pkt_scan()
308 	struct cam *cam = &gspca_dev->cam;  in sd_config()
311 	dev->type = id->driver_info;  in sd_config()
312 	dev->quality = QUALITY_DEF;  in sd_config()
314 	cam->cam_mode = jlj_mode;  in sd_config()
315 	cam->nmodes = ARRAY_SIZE(jlj_mode);  in sd_config()
316 	cam->bulk = 1;  in sd_config()
317 	cam->bulk_nurbs = 1;  in sd_config()
318 	cam->bulk_size = JEILINJ_MAX_TRANSFER;  in sd_config()
335 		usb_bulk_msg(gspca_dev->dev,  in sd_stopN()
336 				gspca_dev->urb[0]->pipe,  in sd_stopN()
337 				gspca_dev->urb[0]->transfer_buffer,  in sd_stopN()
343 		buf = gspca_dev->urb[0]->transfer_buffer;  in sd_stopN()
344 		while ((i < (JEILINJ_MAX_TRANSFER - 1)) &&  in sd_stopN()
348 		if (i != (JEILINJ_MAX_TRANSFER - 1))  in sd_stopN()
360 	return gspca_dev->usb_err;  in sd_init()
363 /* Set up for getting frames. */
369 	jpeg_define(dev->jpeg_hdr, gspca_dev->pixfmt.height,  in sd_start()
370 			gspca_dev->pixfmt.width,  in sd_start()
372 	jpeg_set_qual(dev->jpeg_hdr, dev->quality);  in sd_start()
374 		  gspca_dev->pixfmt.height, gspca_dev->pixfmt.width);  in sd_start()
376 	return gspca_dev->usb_err;  in sd_start()
391 		container_of(ctrl->handler, struct gspca_dev, ctrl_handler);  in sd_s_ctrl()
394 	gspca_dev->usb_err = 0;  in sd_s_ctrl()
396 	if (!gspca_dev->streaming)  in sd_s_ctrl()
399 	switch (ctrl->id) {  in sd_s_ctrl()
401 		setfreq(gspca_dev, ctrl->val);  in sd_s_ctrl()
404 		setred(gspca_dev, ctrl->val);  in sd_s_ctrl()
407 		setgreen(gspca_dev, ctrl->val);  in sd_s_ctrl()
410 		setblue(gspca_dev, ctrl->val);  in sd_s_ctrl()
413 		setautogain(gspca_dev, ctrl->val);  in sd_s_ctrl()
416 		jpeg_set_qual(sd->jpeg_hdr, ctrl->val);  in sd_s_ctrl()
417 		setcamquality(gspca_dev, ctrl->val);  in sd_s_ctrl()
420 	return gspca_dev->usb_err;  in sd_s_ctrl()
430 	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;  in sd_init_controls()
441 	gspca_dev->vdev.ctrl_handler = hdl;  in sd_init_controls()
443 	sd->freq = v4l2_ctrl_new_std_menu(hdl, &sd_ctrl_ops,  in sd_init_controls()
454 	sd->jpegqual = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,  in sd_init_controls()
458 	if (hdl->error) {  in sd_init_controls()
460 		return hdl->error;  in sd_init_controls()
470 	v4l2_ctrl_s_ctrl(sd->jpegqual, jcomp->quality);  in sd_set_jcomp()
480 	jcomp->quality = v4l2_ctrl_g_ctrl(sd->jpegqual);  in sd_get_jcomp()
481 	jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT  in sd_get_jcomp()
487 /* sub-driver description */
497 /* sub-driver description */
515 /* -- device connect -- */
520 			sd_desc[id->driver_info],  in sd_probe()