77 	int  (*get_pkt_len) (unsigned char *pkt, int len);
79 	int  (*read_data)   (struct usbtouch_usb *usbtouch, unsigned char *pkt);
105 	void (*process_pkt)(struct usbtouch_usb *usbtouch, unsigned char *pkt, int len);
129 static int e2i_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in e2i_read_data()  argument
131 	int tmp = (pkt[0] << 8) | pkt[1];  in e2i_read_data()
132 	dev->x  = (pkt[2] << 8) | pkt[3];  in e2i_read_data()
133 	dev->y  = (pkt[4] << 8) | pkt[5];  in e2i_read_data()
200 static int egalax_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in egalax_read_data()  argument
202 	if ((pkt[0] & EGALAX_PKT_TYPE_MASK) != EGALAX_PKT_TYPE_REPT)  in egalax_read_data()
205 	dev->x = ((pkt[3] & 0x0F) << 7) | (pkt[4] & 0x7F);  in egalax_read_data()
206 	dev->y = ((pkt[1] & 0x0F) << 7) | (pkt[2] & 0x7F);  in egalax_read_data()
207 	dev->touch = pkt[0] & 0x01;  in egalax_read_data()
255 static int etouch_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in etouch_read_data()  argument
257 	if ((pkt[0] & ETOUCH_PKT_TYPE_MASK) != ETOUCH_PKT_TYPE_REPT &&  in etouch_read_data()
258 		(pkt[0] & ETOUCH_PKT_TYPE_MASK) != ETOUCH_PKT_TYPE_REPT2)  in etouch_read_data()
261 	dev->x = ((pkt[1] & 0x1F) << 7) | (pkt[2] & 0x7F);  in etouch_read_data()
262 	dev->y = ((pkt[3] & 0x1F) << 7) | (pkt[4] & 0x7F);  in etouch_read_data()
263 	dev->touch = pkt[0] & 0x01;  in etouch_read_data()
300 static int panjit_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in panjit_read_data()  argument
302 	dev->x = ((pkt[2] & 0x0F) << 8) | pkt[1];  in panjit_read_data()
303 	dev->y = ((pkt[4] & 0x0F) << 8) | pkt[3];  in panjit_read_data()
304 	dev->touch = pkt[0] & 0x01;  in panjit_read_data()
331 static int mtouch_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in mtouch_read_data()  argument
334 		dev->x = (pkt[4] << 8) | pkt[3];  in mtouch_read_data()
335 		dev->y = 0xffff - ((pkt[6] << 8) | pkt[5]);  in mtouch_read_data()
337 		dev->x = (pkt[8] << 8) | pkt[7];  in mtouch_read_data()
338 		dev->y = (pkt[10] << 8) | pkt[9];  in mtouch_read_data()
340 	dev->touch = (pkt[2] & 0x40) ? 1 : 0;  in mtouch_read_data()
490 static int itm_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in itm_read_data()  argument
499 	dev->press = ((pkt[2] & 0x01) << 7) | (pkt[5] & 0x7F);  in itm_read_data()
501 	touch = ~pkt[7] & 0x20;  in itm_read_data()
511 	dev->x = ((pkt[0] & 0x1F) << 7) | (pkt[3] & 0x7F);  in itm_read_data()
512 	dev->y = ((pkt[1] & 0x1F) << 7) | (pkt[4] & 0x7F);  in itm_read_data()
537 static int eturbo_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in eturbo_read_data()  argument
542 	if (!(pkt[0] & 0x80))  in eturbo_read_data()
545 	shift = (6 - (pkt[0] & 0x03));  in eturbo_read_data()
546 	dev->x = ((pkt[3] << 7) | pkt[4]) >> shift;  in eturbo_read_data()
547 	dev->y = ((pkt[1] << 7) | pkt[2]) >> shift;  in eturbo_read_data()
548 	dev->touch = (pkt[0] & 0x10) ? 1 : 0;  in eturbo_read_data()
578 static int gunze_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in gunze_read_data()  argument
580 	if (!(pkt[0] & 0x80) || ((pkt[1] | pkt[2] | pkt[3]) & 0x80))  in gunze_read_data()
583 	dev->x = ((pkt[0] & 0x1F) << 7) | (pkt[2] & 0x7F);  in gunze_read_data()
584 	dev->y = ((pkt[1] & 0x1F) << 7) | (pkt[3] & 0x7F);  in gunze_read_data()
585 	dev->touch = pkt[0] & 0x20;  in gunze_read_data()
666 static int dmc_tsc10_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in dmc_tsc10_read_data()  argument
668 	dev->x = ((pkt[2] & 0x03) << 8) | pkt[1];  in dmc_tsc10_read_data()
669 	dev->y = ((pkt[4] & 0x03) << 8) | pkt[3];  in dmc_tsc10_read_data()
670 	dev->touch = pkt[0] & 0x01;  in dmc_tsc10_read_data()
691 static int irtouch_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in irtouch_read_data()  argument
693 	dev->x = (pkt[3] << 8) | pkt[2];  in irtouch_read_data()
694 	dev->y = (pkt[5] << 8) | pkt[4];  in irtouch_read_data()
695 	dev->touch = (pkt[1] & 0x03) ? 1 : 0;  in irtouch_read_data()
723 static int tc45usb_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in tc45usb_read_data()  argument
725 	dev->x = ((pkt[2] & 0x0F) << 8) | pkt[1];  in tc45usb_read_data()
726 	dev->y = ((pkt[4] & 0x0F) << 8) | pkt[3];  in tc45usb_read_data()
727 	dev->touch = pkt[0] & 0x01;  in tc45usb_read_data()
758 static int idealtek_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in idealtek_read_data()  argument
760 	switch (pkt[0] & 0x98) {  in idealtek_read_data()
763 		dev->x = (pkt[1] << 5) | (pkt[2] >> 2);  in idealtek_read_data()
764 		dev->y = (pkt[3] << 5) | (pkt[4] >> 2);  in idealtek_read_data()
765 		dev->touch = (pkt[0] & 0x40) ? 1 : 0;  in idealtek_read_data()
770 		dev->x = (pkt[2] << 5) | (pkt[1] >> 2);  in idealtek_read_data()
771 		dev->y = (pkt[4] << 5) | (pkt[3] >> 2);  in idealtek_read_data()
772 		dev->touch = (pkt[0] & 0x40) ? 1 : 0;  in idealtek_read_data()
795 static int general_touch_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in general_touch_read_data()  argument
797 	dev->x = (pkt[2] << 8) | pkt[1];  in general_touch_read_data()
798 	dev->y = (pkt[4] << 8) | pkt[3];  in general_touch_read_data()
799 	dev->press = pkt[5] & 0xff;  in general_touch_read_data()
800 	dev->touch = pkt[0] & 0x01;  in general_touch_read_data()
819 static int gotop_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in gotop_read_data()  argument
821 	dev->x = ((pkt[1] & 0x38) << 4) | pkt[2];  in gotop_read_data()
822 	dev->y = ((pkt[1] & 0x07) << 7) | pkt[3];  in gotop_read_data()
823 	dev->touch = pkt[0] & 0x01;  in gotop_read_data()
842 static int jastec_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in jastec_read_data()  argument
844 	dev->x = ((pkt[0] & 0x3f) << 6) | (pkt[2] & 0x3f);  in jastec_read_data()
845 	dev->y = ((pkt[1] & 0x3f) << 6) | (pkt[3] & 0x3f);  in jastec_read_data()
846 	dev->touch = (pkt[0] & 0x40) >> 6;  in jastec_read_data()
865 static int zytronic_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in zytronic_read_data()  argument
869 	switch (pkt[0]) {  in zytronic_read_data()
871 		dev_dbg(&intf->dev, "%s: Command response %d\n", __func__, pkt[1]);  in zytronic_read_data()
875 		dev->x = (pkt[1] & 0x7f) | ((pkt[2] & 0x07) << 7);  in zytronic_read_data()
876 		dev->y = (pkt[3] & 0x7f) | ((pkt[4] & 0x07) << 7);  in zytronic_read_data()
882 		dev->x = (pkt[1] & 0x7f) | ((pkt[2] & 0x07) << 7);  in zytronic_read_data()
883 		dev->y = (pkt[3] & 0x7f) | ((pkt[4] & 0x07) << 7);  in zytronic_read_data()
889 		dev_dbg(&intf->dev, "%s: Unknown return %d\n", __func__, pkt[0]);  in zytronic_read_data()
1054 static int nexio_read_data(struct usbtouch_usb *usbtouch, unsigned char *pkt)  in nexio_read_data()  argument
1057 	struct nexio_touch_packet *packet = (void *) pkt;  in nexio_read_data()
1065 	if ((pkt[0] & 0xe0) != 0xe0)  in nexio_read_data()
1155 static int elo_read_data(struct usbtouch_usb *dev, unsigned char *pkt)  in elo_read_data()  argument
1157 	dev->x = (pkt[3] << 8) | pkt[2];  in elo_read_data()
1158 	dev->y = (pkt[5] << 8) | pkt[4];  in elo_read_data()
1159 	dev->touch = pkt[6] > 0;  in elo_read_data()
1160 	dev->press = pkt[6];  in elo_read_data()
1181                                  unsigned char *pkt, int len)  in usbtouch_process_pkt()  argument
1185 	if (!type->read_data(usbtouch, pkt))  in usbtouch_process_pkt()
1205                                    unsigned char *pkt, int len)  in usbtouch_process_multi()  argument
1227 			memcpy(usbtouch->buffer + usbtouch->buf_len, pkt, append);  in usbtouch_process_multi()
1240 		memcpy(usbtouch->buffer + usbtouch->buf_len, pkt, tmp);  in usbtouch_process_multi()
1243 		buffer = pkt + tmp;  in usbtouch_process_multi()
1246 		buffer = pkt;  in usbtouch_process_multi()
1281                                    unsigned char *pkt, int len)  in usbtouch_process_multi()  argument