dev->x = (pkt[2] << 5) | (pkt[1] >> 2);
dev->y = (pkt[4] << 5) | (pkt[3] >> 2);
dev->touch = (pkt[0] & 0x40) 1 : 0;
return 1;
default:
return 0;
}
}
#endif
/*****************************************************************************
* General Touch Part
*/
#ifdef CONFIG_TOUCHSCREEN_USB_GENERAL_TOUCH
static int general_touch_read_data(struct usbtouch_usb *dev, unsigned char *pkt)
{
dev->x = ((pkt[2] & 0x0F) << 8) | pkt[1] ;
dev->y = ((pkt[4] & 0x0F) << 8) | pkt[3] ;
dev->press = pkt[5] & 0xff;
dev->touch = pkt[0] & 0x01;
return 1;
}
#endif
/*****************************************************************************
* GoTop Part
*/
#ifdef CONFIG_TOUCHSCREEN_USB_GOTOP
static int gotop_read_data(struct usbtouch_usb *dev, unsigned char *pkt)
{
dev->x = ((pkt[1] & 0x38) << 4) | pkt[2];
dev->y = ((pkt[1] & 0x07) << 7) | pkt[3];
dev->touch = pkt[0] & 0x01;
return 1;
}
#endif
/*****************************************************************************
* JASTEC Part
*/
#ifdef CONFIG_TOUCHSCREEN_USB_JASTEC
static int jastec_read_data(struct usbtouch_usb *dev, unsigned char *pkt)
{
dev->x = ((pkt[0] & 0x3f) << 6) | (pkt[2] & 0x3f);
dev->y = ((pkt[1] & 0x3f) << 6) | (pkt[3] & 0x3f);
dev->touch = (pkt[0] & 0x40) >> 6;
return 1;
}
#endif
/*****************************************************************************
* Zytronic Part
*/
#ifdef CONFIG_TOUCHSCREEN_USB_ZYTRONIC
static int zytronic_read_data(struct usbtouch_usb *dev, unsigned char *pkt)
{
switch (pkt[0]) {
case 0x3A: /* command response */
dbg("%s: Command response %d", __func__, pkt[1]);
break;
case 0xC0: /* down */
dev->x = (pkt[1] & 0x7f) | ((pkt[2] & 0x07) << 7);
dev->y = (pkt[3] & 0x7f) | ((pkt[4] & 0x07) << 7);
dev->touch = 1;
dbg("%s: down %d,%d", __func__, dev->x, dev->y);
return 1;
case 0x80: /* up */
dev->x = (pkt[1] & 0x7f) | ((pkt[2] & 0x07) << 7);
dev->y = (pkt[3] & 0x7f) | ((pkt[4] & 0x07) << 7);
dev->touch = 0;
dbg("%s: up %d,%d", __func__, dev->x, dev->y);
return 1;
default:
dbg("%s: Unknown return %d", __func__, pkt[0]);
break;
}
return 0;
}
#endif
/*****************************************************************************
* the different device descriptors
*/
#ifdef MULTI_PACKET
static void usbtouch_process_multi(struct usbtouch_usb *usbtouch,
unsigned char *pkt, int len);
#endif
static struct usbtouch_device_info usbtouch_dev_info[] = {
#ifdef CONFIG_TOUCHSCREEN_USB_EGALAX
[DEVTYPE_EGALAX] = {
.min_xc = 0x0,
.max_xc = 0x07ff,
.min_yc = 0x0,
.max_yc = 0x07ff,
.rept_size = 16,
.process_pkt = usbtouch_process_multi,
.get_pkt_len = egalax_get_pkt_len,
.read_data = egalax_read_data,
},
#endif
#ifdef CONFIG_TOUCHSCREEN_USB_PANJIT
[DEVTYPE_PANJIT] = {
.min_xc = 0x0,
.max_xc = 0x0fff,
.min_yc = 0x0,
.max_yc = 0x0fff,
.rept_size = 8,
.read_data = panjit_read_data,
},
#endif
#ifdef CONFIG_TOUCHSCREEN_USB_3M
[DEVTYPE_3M] = {
.min_xc = 0x0,
.max_xc = 0x4000,
.min_yc = 0x0,
.max_yc = 0x4000,
.rept_size = 11,
.read_data = mtouch_read_data,
.init = mtouch_init,
},
#endif
#ifdef CONFIG_TOUCHSCREEN_USB_I