usb/gspca/touptek.c

138 	struct gspca_dev gspca_dev;	/* !! must be the first item */
186 static int val_reply(struct gspca_dev *gspca_dev, const char *reply, int rc)
189 		gspca_err(gspca_dev, "reply has error %d\n", rc);
193 		gspca_err(gspca_dev, "Bad reply size %d\n", rc);
197 		gspca_err(gspca_dev, "Bad reply 0x%02x\n", (int)reply[0]);
203 static void reg_w(struct gspca_dev *gspca_dev, u16 value, u16 index)
205 	char *buff = gspca_dev->usb_buf;
208 	gspca_dbg(gspca_dev, D_USBO,
211 	rc = usb_control_msg(gspca_dev->dev, usb_rcvctrlpipe(gspca_dev->dev, 0),
213 	gspca_dbg(gspca_dev, D_USBO, "rc=%d, ret={0x%02x}\n", rc, (int)buff[0]);
215 		gspca_err(gspca_dev, "Failed reg_w(0x0B, 0xC0, 0x%04X, 0x%04X) w/ rc %d\n",
217 		gspca_dev->usb_err = rc;
220 	if (val_reply(gspca_dev, buff, rc)) {
221 		gspca_err(gspca_dev, "Bad reply to reg_w(0x0B, 0xC0, 0x%04X, 0x%04X\n",
223 		gspca_dev->usb_err = -EIO;
227 static void reg_w_buf(struct gspca_dev *gspca_dev,
231 		reg_w(gspca_dev, p->value, p->index);
236 static void setexposure(struct gspca_dev *gspca_dev, s32 val)
239 	unsigned int w = gspca_dev->pixfmt.width;
248 		gspca_err(gspca_dev, "Invalid width %u\n", w);
249 		gspca_dev->usb_err = -EINVAL;
252 	gspca_dbg(gspca_dev, D_STREAM, "exposure: 0x%04X ms\n\n", value);
255 	reg_w(gspca_dev, value, REG_COARSE_INTEGRATION_TIME_);
256 	reg_w(gspca_dev, value, REG_COARSE_INTEGRATION_TIME_);
275 static void setggain(struct gspca_dev *gspca_dev, u16 global_gain)
280 	gspca_dbg(gspca_dev, D_STREAM, "gain G1/G2 (0x%04X): 0x%04X (src 0x%04X)\n\n",
284 	reg_w(gspca_dev, normalized, REG_GREEN1_GAIN);
285 	reg_w(gspca_dev, normalized, REG_GREEN2_GAIN);
288 static void setbgain(struct gspca_dev *gspca_dev,
296 		gspca_dbg(gspca_dev, D_STREAM, "Truncating blue 0x%04X w/ value 0x%04X\n\n",
301 	gspca_dbg(gspca_dev, D_STREAM, "gain B (0x%04X): 0x%04X w/ source 0x%04X\n\n",
304 	reg_w(gspca_dev, normalized, REG_BLUE_GAIN);
307 static void setrgain(struct gspca_dev *gspca_dev,
315 		gspca_dbg(gspca_dev, D_STREAM, "Truncating gain 0x%04X w/ value 0x%04X\n\n",
320 	gspca_dbg(gspca_dev, D_STREAM, "gain R (0x%04X): 0x%04X w / source 0x%04X\n\n",
323 	reg_w(gspca_dev, normalized, REG_RED_GAIN);
326 static void configure_wh(struct gspca_dev *gspca_dev)
328 	unsigned int w = gspca_dev->pixfmt.width;
330 	gspca_dbg(gspca_dev, D_STREAM, "configure_wh\n\n");
341 		reg_w_buf(gspca_dev,
352 		reg_w_buf(gspca_dev,
363 		reg_w_buf(gspca_dev,
366 		gspca_err(gspca_dev, "bad width %u\n", w);
367 		gspca_dev->usb_err = -EINVAL;
371 	reg_w(gspca_dev, 0x0000, REG_SCALING_MODE);
372 	reg_w(gspca_dev, 0x0010, REG_SCALE_M);
373 	reg_w(gspca_dev, w, REG_X_OUTPUT_SIZE);
374 	reg_w(gspca_dev, gspca_dev->pixfmt.height, REG_Y_OUTPUT_SIZE);
377 		reg_w(gspca_dev, 0x0384, REG_FRAME_LENGTH_LINES_);
378 		reg_w(gspca_dev, 0x0960, REG_LINE_LENGTH_PCK_);
380 		reg_w(gspca_dev, 0x0640, REG_FRAME_LENGTH_LINES_);
381 		reg_w(gspca_dev, 0x0FA0, REG_LINE_LENGTH_PCK_);
383 		reg_w(gspca_dev, 0x0B4B, REG_FRAME_LENGTH_LINES_);
384 		reg_w(gspca_dev, 0x1F40, REG_LINE_LENGTH_PCK_);
386 		gspca_err(gspca_dev, "bad width %u\n", w);
387 		gspca_dev->usb_err = -EINVAL;
393 static void configure_encrypted(struct gspca_dev *gspca_dev)
419 	gspca_dbg(gspca_dev, D_STREAM, "Encrypted begin, w = %u\n\n",
420 		  gspca_dev->pixfmt.width);
421 	reg_w_buf(gspca_dev, reg_init_begin, ARRAY_SIZE(reg_init_begin));
422 	configure_wh(gspca_dev);
423 	reg_w_buf(gspca_dev, reg_init_end, ARRAY_SIZE(reg_init_end));
424 	reg_w(gspca_dev, 0x0100, REG_GROUPED_PARAMETER_HOLD);
425 	reg_w(gspca_dev, 0x0000, REG_GROUPED_PARAMETER_HOLD);
427 	gspca_dbg(gspca_dev, D_STREAM, "Encrypted end\n\n");
430 static int configure(struct gspca_dev *gspca_dev)
433 	char *buff = gspca_dev->usb_buf;
435 	gspca_dbg(gspca_dev, D_STREAM, "configure()\n\n");
450 	rc = usb_control_msg(gspca_dev->dev, usb_rcvctrlpipe(gspca_dev->dev, 0),
452 	if (val_reply(gspca_dev, buff, rc)) {
453 		gspca_err(gspca_dev, "failed key req\n");
467 	rc = usb_control_msg(gspca_dev->dev, usb_sndctrlpipe(gspca_dev->dev, 0),
470 		gspca_err(gspca_dev, "failed to replay packet 176 w/ rc %d\n",
475 	rc = usb_control_msg(gspca_dev->dev, usb_sndctrlpipe(gspca_dev->dev, 0),
478 		gspca_err(gspca_dev, "failed to replay packet 178 w/ rc %d\n",
483 	rc = usb_control_msg(gspca_dev->dev, usb_sndctrlpipe(gspca_dev->dev, 0),
486 		gspca_err(gspca_dev, "failed to replay packet 180 w/ rc %d\n",
494 	 * rc = usb_control_msg(gspca_dev->dev,
495 	 *			usb_rcvctrlpipe(gspca_dev->dev, 0),
500 	gspca_dev->usb_err = 0;
501 	configure_encrypted(gspca_dev);
502 	if (gspca_dev->usb_err)
503 		return gspca_dev->usb_err;
506 	rc = usb_control_msg(gspca_dev->dev, usb_sndctrlpipe(gspca_dev->dev, 0),
509 		gspca_err(gspca_dev, "failed to replay final packet w/ rc %d\n",
514 	gspca_dbg(gspca_dev, D_STREAM, "Configure complete\n\n");
518 static int sd_config(struct gspca_dev *gspca_dev,
521 	gspca_dev->cam.cam_mode = vga_mode;
522 	gspca_dev->cam.nmodes = ARRAY_SIZE(vga_mode);
525 	gspca_dev->cam.no_urb_create = 0;
526 	gspca_dev->cam.bulk_nurbs = 4;
528 	gspca_dev->cam.bulk_size = BULK_SIZE;
530 	gspca_dev->cam.bulk = 1;
535 static int sd_start(struct gspca_dev *gspca_dev)
537 	struct sd *sd = (struct sd *) gspca_dev;
542 	rc = configure(gspca_dev);
544 		gspca_err(gspca_dev, "Failed configure\n");
552 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
556 	struct sd *sd = (struct sd *) gspca_dev;
560 		if (sd->this_f + len == gspca_dev->pixfmt.sizeimage) {
561 			gspca_frame_add(gspca_dev, LAST_PACKET, data, len);
562 			gspca_dbg(gspca_dev, D_FRAM, "finish frame sz %u/%u w/ len %u\n\n",
563 				  sd->this_f, gspca_dev->pixfmt.sizeimage, len);
566 			gspca_frame_add(gspca_dev, DISCARD_PACKET, NULL, 0);
567 			gspca_dbg(gspca_dev, D_FRAM, "abort frame sz %u/%u w/ len %u\n\n",
568 				  sd->this_f, gspca_dev->pixfmt.sizeimage, len);
573 			gspca_frame_add(gspca_dev, FIRST_PACKET, data, len);
575 			gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
580 static int sd_init(struct gspca_dev *gspca_dev)
587 	struct gspca_dev *gspca_dev =
588 		container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
589 	struct sd *sd = (struct sd *) gspca_dev;
591 	gspca_dev->usb_err = 0;
593 	if (!gspca_dev->streaming)
598 		setexposure(gspca_dev, ctrl->val);
601 		/* gspca_dev->gain automatically updated */
602 		setggain(gspca_dev, gspca_dev->gain->val);
606 		setbgain(gspca_dev, sd->blue->val, gspca_dev->gain->val);
610 		setrgain(gspca_dev, sd->red->val, gspca_dev->gain->val);
613 	return gspca_dev->usb_err;
620 static int sd_init_controls(struct gspca_dev *gspca_dev)
622 	struct sd *sd = (struct sd *) gspca_dev;
623 	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
625 	gspca_dev->vdev.ctrl_handler = hdl;
628 	gspca_dev->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
632 	gspca_dev->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
640 		gspca_err(gspca_dev, "Could not initialize controls\n");