84 	void (*process_pkt) (struct usbtouch_usb *usbtouch, unsigned char *pkt, int len);
92 	int  (*get_pkt_len) (unsigned char *pkt, int len);
94 	int  (*read_data)   (struct usbtouch_usb *usbtouch, unsigned char *pkt);
276 static int e2i_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in e2i_read_data()  argument
278 	int tmp = (pkt[0] << 8) | pkt[1];  in e2i_read_data()
279 	dev->x  = (pkt[2] << 8) | pkt[3];  in e2i_read_data()
280 	dev->y  = (pkt[4] << 8) | pkt[5];  in e2i_read_data()
344 static int egalax_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in egalax_read_data()  argument
346 	if ((pkt[0] & EGALAX_PKT_TYPE_MASK) != EGALAX_PKT_TYPE_REPT)  in egalax_read_data()
349 	dev->x = ((pkt[3] & 0x0F) << 7) | (pkt[4] & 0x7F);  in egalax_read_data()
350 	dev->y = ((pkt[1] & 0x0F) << 7) | (pkt[2] & 0x7F);  in egalax_read_data()
351 	dev->touch = pkt[0] & 0x01;  in egalax_read_data()
388 static int etouch_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in etouch_read_data()  argument
390 	if ((pkt[0] & ETOUCH_PKT_TYPE_MASK) != ETOUCH_PKT_TYPE_REPT &&  in etouch_read_data()
391 		(pkt[0] & ETOUCH_PKT_TYPE_MASK) != ETOUCH_PKT_TYPE_REPT2)  in etouch_read_data()
394 	dev->x = ((pkt[1] & 0x1F) << 7) | (pkt[2] & 0x7F);  in etouch_read_data()
395 	dev->y = ((pkt[3] & 0x1F) << 7) | (pkt[4] & 0x7F);  in etouch_read_data()
396 	dev->touch = pkt[0] & 0x01;  in etouch_read_data()
423 static int panjit_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in panjit_read_data()  argument
425 	dev->x = ((pkt[2] & 0x0F) << 8) | pkt[1];  in panjit_read_data()
426 	dev->y = ((pkt[4] & 0x0F) << 8) | pkt[3];  in panjit_read_data()
427 	dev->touch = pkt[0] & 0x01;  in panjit_read_data()
445 static int mtouch_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in mtouch_read_data()  argument
448 		dev->x = (pkt[4] << 8) | pkt[3];  in mtouch_read_data()
449 		dev->y = 0xffff - ((pkt[6] << 8) | pkt[5]);  in mtouch_read_data()
451 		dev->x = (pkt[8] << 8) | pkt[7];  in mtouch_read_data()
452 		dev->y = (pkt[10] << 8) | pkt[9];  in mtouch_read_data()
454 	dev->touch = (pkt[2] & 0x40) ? 1 : 0;  in mtouch_read_data()
594 static int itm_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in itm_read_data()  argument
603 	dev->press = ((pkt[2] & 0x01) << 7) | (pkt[5] & 0x7F);  in itm_read_data()
605 	touch = ~pkt[7] & 0x20;  in itm_read_data()
615 	dev->x = ((pkt[0] & 0x1F) << 7) | (pkt[3] & 0x7F);  in itm_read_data()
616 	dev->y = ((pkt[1] & 0x1F) << 7) | (pkt[4] & 0x7F);  in itm_read_data()
631 static int eturbo_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in eturbo_read_data()  argument
636 	if (!(pkt[0] & 0x80))  in eturbo_read_data()
639 	shift = (6 - (pkt[0] & 0x03));  in eturbo_read_data()
640 	dev->x = ((pkt[3] << 7) | pkt[4]) >> shift;  in eturbo_read_data()
641 	dev->y = ((pkt[1] << 7) | pkt[2]) >> shift;  in eturbo_read_data()
642 	dev->touch = (pkt[0] & 0x10) ? 1 : 0;  in eturbo_read_data()
662 static int gunze_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in gunze_read_data()  argument
664 	if (!(pkt[0] & 0x80) || ((pkt[1] | pkt[2] | pkt[3]) & 0x80))  in gunze_read_data()
667 	dev->x = ((pkt[0] & 0x1F) << 7) | (pkt[2] & 0x7F);  in gunze_read_data()
668 	dev->y = ((pkt[1] & 0x1F) << 7) | (pkt[3] & 0x7F);  in gunze_read_data()
669 	dev->touch = pkt[0] & 0x20;  in gunze_read_data()
748 static int dmc_tsc10_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in dmc_tsc10_read_data()  argument
750 	dev->x = ((pkt[2] & 0x03) << 8) | pkt[1];  in dmc_tsc10_read_data()
751 	dev->y = ((pkt[4] & 0x03) << 8) | pkt[3];  in dmc_tsc10_read_data()
752 	dev->touch = pkt[0] & 0x01;  in dmc_tsc10_read_data()
763 static int irtouch_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in irtouch_read_data()  argument
765 	dev->x = (pkt[3] << 8) | pkt[2];  in irtouch_read_data()
766 	dev->y = (pkt[5] << 8) | pkt[4];  in irtouch_read_data()
767 	dev->touch = (pkt[1] & 0x03) ? 1 : 0;  in irtouch_read_data()
777 static int tc45usb_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in tc45usb_read_data()  argument
779 	dev->x = ((pkt[2] & 0x0F) << 8) | pkt[1];  in tc45usb_read_data()
780 	dev->y = ((pkt[4] & 0x0F) << 8) | pkt[3];  in tc45usb_read_data()
781 	dev->touch = pkt[0] & 0x01;  in tc45usb_read_data()
803 static int idealtek_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in idealtek_read_data()  argument
805 	switch (pkt[0] & 0x98) {  in idealtek_read_data()
808 		dev->x = (pkt[1] << 5) | (pkt[2] >> 2);  in idealtek_read_data()
809 		dev->y = (pkt[3] << 5) | (pkt[4] >> 2);  in idealtek_read_data()
810 		dev->touch = (pkt[0] & 0x40) ? 1 : 0;  in idealtek_read_data()
815 		dev->x = (pkt[2] << 5) | (pkt[1] >> 2);  in idealtek_read_data()
816 		dev->y = (pkt[4] << 5) | (pkt[3] >> 2);  in idealtek_read_data()
817 		dev->touch = (pkt[0] & 0x40) ? 1 : 0;  in idealtek_read_data()
830 static int general_touch_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in general_touch_read_data()  argument
832 	dev->x = (pkt[2] << 8) | pkt[1];  in general_touch_read_data()
833 	dev->y = (pkt[4] << 8) | pkt[3];  in general_touch_read_data()
834 	dev->press = pkt[5] & 0xff;  in general_touch_read_data()
835 	dev->touch = pkt[0] & 0x01;  in general_touch_read_data()
845 static int gotop_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in gotop_read_data()  argument
847 	dev->x = ((pkt[1] & 0x38) << 4) | pkt[2];  in gotop_read_data()
848 	dev->y = ((pkt[1] & 0x07) << 7) | pkt[3];  in gotop_read_data()
849 	dev->touch = pkt[0] & 0x01;  in gotop_read_data()
859 static int jastec_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in jastec_read_data()  argument
861 	dev->x = ((pkt[0] & 0x3f) << 6) | (pkt[2] & 0x3f);  in jastec_read_data()
862 	dev->y = ((pkt[1] & 0x3f) << 6) | (pkt[3] & 0x3f);  in jastec_read_data()
863 	dev->touch = (pkt[0] & 0x40) >> 6;  in jastec_read_data()
873 static int zytronic_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in zytronic_read_data()  argument
877 	switch (pkt[0]) {  in zytronic_read_data()
879 		dev_dbg(&intf->dev, "%s: Command response %d\n", __func__, pkt[1]);  in zytronic_read_data()
883 		dev->x = (pkt[1] & 0x7f) | ((pkt[2] & 0x07) << 7);  in zytronic_read_data()
884 		dev->y = (pkt[3] & 0x7f) | ((pkt[4] & 0x07) << 7);  in zytronic_read_data()
890 		dev->x = (pkt[1] & 0x7f) | ((pkt[2] & 0x07) << 7);  in zytronic_read_data()
891 		dev->y = (pkt[3] & 0x7f) | ((pkt[4] & 0x07) << 7);  in zytronic_read_data()
897 		dev_dbg(&intf->dev, "%s: Unknown return %d\n", __func__, pkt[0]);  in zytronic_read_data()
1057 static int nexio_read_data(struct usbtouch_usb *usbtouch, unsigned char *pkt)  in nexio_read_data()  argument
1059 	struct nexio_touch_packet *packet = (void *) pkt;  in nexio_read_data()
1067 	if ((pkt[0] & 0xe0) != 0xe0)  in nexio_read_data()
1148 static int elo_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in elo_read_data()  argument
1150 	dev->x = (pkt[3] << 8) | pkt[2];  in elo_read_data()
1151 	dev->y = (pkt[5] << 8) | pkt[4];  in elo_read_data()
1152 	dev->touch = pkt[6] > 0;  in elo_read_data()
1153 	dev->press = pkt[6];  in elo_read_data()
1165 				   unsigned char *pkt, int len);
1398                                  unsigned char *pkt, int len)  in usbtouch_process_pkt()  argument
1402 	if (!type->read_data(usbtouch, pkt))  in usbtouch_process_pkt()
1422                                    unsigned char *pkt, int len)  in usbtouch_process_multi()  argument
1444 			memcpy(usbtouch->buffer + usbtouch->buf_len, pkt, append);  in usbtouch_process_multi()
1457 		memcpy(usbtouch->buffer + usbtouch->buf_len, pkt, tmp);  in usbtouch_process_multi()
1460 		buffer = pkt + tmp;  in usbtouch_process_multi()
1463 		buffer = pkt;  in usbtouch_process_multi()