36 	u8 len = (i2c_data > 0xff) ? 2 : 1;  in stv06xx_write_bridge()
38 	buf[0] = i2c_data & 0xff;  in stv06xx_write_bridge()
39 	buf[1] = (i2c_data >> 8) & 0xff;  in stv06xx_write_bridge()
41 	err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),  in stv06xx_write_bridge()
42 			      0x04, 0x40, address, 0, buf, len,  in stv06xx_write_bridge()
45 	gspca_dbg(gspca_dev, D_CONF, "Written 0x%x to address 0x%x, status: %d\n",  in stv06xx_write_bridge()
48 	return (err < 0) ? err : 0;  in stv06xx_write_bridge()
58 	err = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),  in stv06xx_read_bridge()
59 			      0x04, 0xc0, address, 0, buf, 1,  in stv06xx_read_bridge()
62 	*i2c_data = buf[0];  in stv06xx_read_bridge()
64 	gspca_dbg(gspca_dev, D_CONF, "Reading 0x%x from address 0x%x, status %d\n",  in stv06xx_read_bridge()
67 	return (err < 0) ? err : 0;  in stv06xx_read_bridge()
85 	int err = 0;  in stv06xx_write_sensor_finish()
91 		buf[0] = 0;  in stv06xx_write_sensor_finish()
92 		err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),  in stv06xx_write_sensor_finish()
93 				      0x04, 0x40, 0x1704, 0, buf, 1,  in stv06xx_write_sensor_finish()
97 	return (err < 0) ? err : 0;  in stv06xx_write_sensor_finish()
109 	for (i = 0; i < len;) {  in stv06xx_write_sensor_bytes()
111 		memset(buf, 0, I2C_BUFFER_LENGTH);  in stv06xx_write_sensor_bytes()
112 		for (j = 0; j < I2C_MAX_BYTES && i < len; j++, i++) {  in stv06xx_write_sensor_bytes()
114 			buf[0x10 + j] = data[2*i+1];  in stv06xx_write_sensor_bytes()
115 			gspca_dbg(gspca_dev, D_CONF, "I2C: Writing 0x%02x to reg 0x%02x\n",  in stv06xx_write_sensor_bytes()
118 		buf[0x20] = sd->sensor->i2c_addr;  in stv06xx_write_sensor_bytes()
119 		buf[0x21] = j - 1; /* Number of commands to send - 1 */  in stv06xx_write_sensor_bytes()
120 		buf[0x22] = I2C_WRITE_CMD;  in stv06xx_write_sensor_bytes()
121 		err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),  in stv06xx_write_sensor_bytes()
122 				      0x04, 0x40, 0x0400, 0, buf,  in stv06xx_write_sensor_bytes()
125 		if (err < 0)  in stv06xx_write_sensor_bytes()
141 	for (i = 0; i < len;) {  in stv06xx_write_sensor_words()
143 		memset(buf, 0, I2C_BUFFER_LENGTH);  in stv06xx_write_sensor_words()
144 		for (j = 0; j < I2C_MAX_WORDS && i < len; j++, i++) {  in stv06xx_write_sensor_words()
146 			buf[0x10 + j * 2] = data[2*i+1];  in stv06xx_write_sensor_words()
147 			buf[0x10 + j * 2 + 1] = data[2*i+1] >> 8;  in stv06xx_write_sensor_words()
148 			gspca_dbg(gspca_dev, D_CONF, "I2C: Writing 0x%04x to reg 0x%02x\n",  in stv06xx_write_sensor_words()
151 		buf[0x20] = sd->sensor->i2c_addr;  in stv06xx_write_sensor_words()
152 		buf[0x21] = j - 1; /* Number of commands to send - 1 */  in stv06xx_write_sensor_words()
153 		buf[0x22] = I2C_WRITE_CMD;  in stv06xx_write_sensor_words()
154 		err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),  in stv06xx_write_sensor_words()
155 				0x04, 0x40, 0x0400, 0, buf,  in stv06xx_write_sensor_words()
158 		if (err < 0)  in stv06xx_write_sensor_words()
172 	if (err < 0)  in stv06xx_read_sensor()
176 	memset(buf, 0, I2C_BUFFER_LENGTH);  in stv06xx_read_sensor()
178 	buf[0] = address;  in stv06xx_read_sensor()
179 	buf[0x20] = sd->sensor->i2c_addr;  in stv06xx_read_sensor()
180 	buf[0x21] = 0;  in stv06xx_read_sensor()
183 	buf[0x22] = I2C_READ_CMD;  in stv06xx_read_sensor()
185 	err = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),  in stv06xx_read_sensor()
186 			      0x04, 0x40, 0x1400, 0, buf, I2C_BUFFER_LENGTH,  in stv06xx_read_sensor()
188 	if (err < 0) {  in stv06xx_read_sensor()
193 	err = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),  in stv06xx_read_sensor()
194 			      0x04, 0xc0, 0x1410, 0, buf, sd->sensor->i2c_len,  in stv06xx_read_sensor()
197 		*value = buf[0] | (buf[1] << 8);  in stv06xx_read_sensor()
199 		*value = buf[0];  in stv06xx_read_sensor()
201 	gspca_dbg(gspca_dev, D_CONF, "I2C: Read 0x%x from address 0x%x, status: %d\n",  in stv06xx_read_sensor()
204 	return (err < 0) ? err : 0;  in stv06xx_read_sensor()
214 	for (i = 0x1400; i < 0x160f; i++) {  in stv06xx_dump_bridge()
217 		pr_info("Read 0x%x from address 0x%x\n", data, i);  in stv06xx_dump_bridge()
221 	for (i = 0x1400; i < 0x160f; i++) {  in stv06xx_dump_bridge()
225 		stv06xx_write_bridge(sd, i, 0xff);  in stv06xx_dump_bridge()
227 		if (data == 0xff)  in stv06xx_dump_bridge()
228 			pr_info("Register 0x%x is read/write\n", i);  in stv06xx_dump_bridge()
230 			pr_info("Register 0x%x is read/write, but only partially\n",  in stv06xx_dump_bridge()
233 			pr_info("Register 0x%x is read-only\n", i);  in stv06xx_dump_bridge()
256 	return (err < 0) ? err : 0;  in stv06xx_init()
288 	packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);  in stv06xx_start()
290 	if (err < 0)  in stv06xx_start()
295 	if (err < 0)  in stv06xx_start()
302 	if (err < 0)  in stv06xx_start()
307 	return (err < 0) ? err : 0;  in stv06xx_start()
316 	intfc = gspca_dev->dev->actconfig->intf_cache[0];  in stv06xx_isoc_init()
327 	alt->endpoint[0].desc.wMaxPacketSize =  in stv06xx_isoc_init()
330 	return 0;  in stv06xx_isoc_init()
343 	alt = &gspca_dev->dev->actconfig->intf_cache[0]->altsetting[1];  in stv06xx_isoc_nego()
344 	packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);  in stv06xx_isoc_nego()
352 	alt->endpoint[0].desc.wMaxPacketSize = cpu_to_le16(packet_size);  in stv06xx_isoc_nego()
355 	if (ret < 0)  in stv06xx_isoc_nego()
367 	err = stv06xx_write_bridge(sd, STV_ISO_ENABLE, 0);  in stv06xx_stopN()
368 	if (err < 0)  in stv06xx_stopN()
374 	if (err < 0)  in stv06xx_stopN()
411 		id = (data[0] << 8) | data[1];  in stv06xx_pkt_scan()
428 		if (sd->bridge == BRIDGE_ST6422 && (id & 0xff00) == 0x0200)  in stv06xx_pkt_scan()
432 		case 0x0200:  in stv06xx_pkt_scan()
433 		case 0x4200:  in stv06xx_pkt_scan()
450 		case 0x8001:  in stv06xx_pkt_scan()
451 		case 0x8005:  in stv06xx_pkt_scan()
452 		case 0xc001:  in stv06xx_pkt_scan()
453 		case 0xc005:  in stv06xx_pkt_scan()
458 					NULL, 0);  in stv06xx_pkt_scan()
467 		case 0x8002:  in stv06xx_pkt_scan()
468 		case 0x8006:  in stv06xx_pkt_scan()
469 		case 0xc002:  in stv06xx_pkt_scan()
474 					NULL, 0);  in stv06xx_pkt_scan()
480 		case 0x0005:  in stv06xx_pkt_scan()
481 			gspca_dbg(gspca_dev, D_PACK, "Chunk 0x005 detected\n");  in stv06xx_pkt_scan()
487 		case 0x0100:  in stv06xx_pkt_scan()
488 			gspca_dbg(gspca_dev, D_PACK, "Chunk 0x0100 detected\n");  in stv06xx_pkt_scan()
492 		case 0x42ff:  in stv06xx_pkt_scan()
493 			gspca_dbg(gspca_dev, D_PACK, "Chunk 0x42ff detected\n");  in stv06xx_pkt_scan()
497 			gspca_dbg(gspca_dev, D_PACK, "Unknown chunk 0x%04x detected\n",  in stv06xx_pkt_scan()
513 	if (len == 1 && (data[0] == 0x80 || data[0] == 0x10)) {  in sd_int_pkt_scan()
516 		ret = 0;  in sd_int_pkt_scan()
519 	if (len == 1 && (data[0] == 0x88 || data[0] == 0x11)) {  in sd_int_pkt_scan()
520 		input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0);  in sd_int_pkt_scan()
522 		ret = 0;  in sd_int_pkt_scan()
573 		return 0;  in stv06xx_config()
577 		return 0;  in stv06xx_config()
581 		return 0;  in stv06xx_config()
585 		return 0;  in stv06xx_config()
589 		return 0;  in stv06xx_config()
599 	{USB_DEVICE(0x046d, 0x0840), .driver_info = BRIDGE_STV600 },	/* QuickCam Express */
600 	{USB_DEVICE(0x046d, 0x0850), .driver_info = BRIDGE_STV610 },	/* LEGO cam / QuickCam Web */
601 	{USB_DEVICE(0x046d, 0x0870), .driver_info = BRIDGE_STV602 },	/* Dexxa WebCam USB */
602 	{USB_DEVICE(0x046D, 0x08F0), .driver_info = BRIDGE_ST6422 },	/* QuickCam Messenger */
603 	{USB_DEVICE(0x046D, 0x08F5), .driver_info = BRIDGE_ST6422 },	/* QuickCam Communicate */
604 	{USB_DEVICE(0x046D, 0x08F6), .driver_info = BRIDGE_ST6422 },	/* QuickCam Messenger (new) */