From: Böszörményi Zoltán <zboszor@xxxxx>
Add inputattach support for the egalax serial touchscreen driver.
Signed-off-by: Böszörményi Zoltán <zboszor@xxxxx>
---
utils/inputattach.c | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 72 insertions(+)
diff --git a/utils/inputattach.c b/utils/inputattach.c
index bdaafa3..720a0b5 100644
--- a/utils/inputattach.c
+++ b/utils/inputattach.c
@@ -615,20 +615,82 @@ static int wacom_iv_init(int fd, unsigned long *id, unsigned long *extra)
if (write(fd, WACOM_IV_RESET, WACOM_IV_RESET_LEN) != WACOM_IV_RESET_LEN)
return -1;
usleep(75 * 1000);
if (write(fd, WACOM_IV_STOP, WACOM_IV_STOP_LEN) != WACOM_IV_STOP_LEN)
return -1;
usleep(30 * 1000);
return 0;
}
+static int check_egalax_response(int fd, unsigned char *command, int sz, unsigned char *response) {
+ int pos = 0;
+ int error = 0;
+ int rest_length;
+
+ if (write(fd, command, sz) != sz)
+ return -1;
+
+ for (pos = 0; pos < 3; pos++) {
+ if (readchar(fd, &response[pos], 100)) {
+ error = 1;
+ break;
+ }
+ }
+
+ if (error)
+ return -1;
+
+ rest_length = response[1] - 1;
+
+ for (; rest_length; rest_length--, pos++) {
+ if (readchar(fd, &response[pos], 100)) {
+ error = 1;
+ break;
+ }
+ }
+
+ if (error)
+ return -1;
+
+ if (response[1] >= command[1] &&
+ response[0] == command[0] &&
+ response[2] == command[2])
+ return 0;
+
+ return -1;
+}
+
+static int egalax_init(int fd, unsigned long *id, unsigned long *extra) {
+ unsigned char packet_alive_query[3] = { 0x0a, 0x01, 'A' };
+ unsigned char packet_fw_ver[3] = { 0x0a, 0x01, 'D' };
+ unsigned char packet_ctrl_type[3] = { 0x0a, 0x01, 'E' };
+ unsigned char response[128];
+
+ if (check_egalax_response(fd, packet_alive_query, sizeof(packet_alive_query), response))
+ return -1;
+
+ if (check_egalax_response(fd, packet_fw_ver, sizeof(packet_fw_ver), response))
+ return -1;
+
+ response[(unsigned char)response[1] + 2] = '\0';
+ printf("EETI eGalaxTouch firmware: %s\n", &response[3]);
+
+ if (check_egalax_response(fd, packet_ctrl_type, sizeof(packet_ctrl_type), response))
+ return -1;
+
+ response[(unsigned char)response[1] + 2] = '\0';
+ printf("EETI eGalaxTouch controller type: %s\n", &response[3]);
+
+ return 0;
+}
+
struct input_types {
const char *name;
const char *name2;
const char *desc;
int speed;
int flags;
unsigned long type;
unsigned long id;
unsigned long extra;
int flush;
@@ -700,32 +762,42 @@ static struct input_types input_types[] = {
SERIO_STOWAWAY, 0x00, 0x00, 1, NULL },
{ "--ps2serkbd", "-ps2ser", "PS/2 via serial keyboard",
B1200, CS8,
SERIO_PS2SER, 0x00, 0x00, 1, NULL },
{ "--twiddler", "-twid", "Handykey Twiddler chording keyboard",
B2400, CS8,
SERIO_TWIDKBD, 0x00, 0x00, 0, twiddler_init },
{ "--twiddler-joy", "-twidjoy", "Handykey Twiddler used as a joystick",
B2400, CS8,
SERIO_TWIDJOY, 0x00, 0x00, 0, twiddler_init },
+#ifdef SERIO_EGALAX
+{ "--eetiegalax", "-eeti", "EETI eGalaxTouch",
+ B9600, CS8,
+ SERIO_EGALAX, 0x00, 0x00, 0, egalax_init },
+#endif
{ "--elotouch", "-elo", "ELO touchscreen, 10-byte mode",
B9600, CS8,
SERIO_ELO, 0x00, 0x00, 0, NULL },
{ "--elo4002", "-elo6b", "ELO touchscreen, 6-byte mode",
B9600, CS8 | CRTSCTS,
SERIO_ELO, 0x01, 0x00, 0, NULL },
{ "--elo271-140", "-elo4b", "ELO touchscreen, 4-byte mode",
B9600, CS8 | CRTSCTS,
SERIO_ELO, 0x02, 0x00, 0, NULL },
{ "--elo261-280", "-elo3b", "ELO Touchscreen, 3-byte mode",
B9600, CS8 | CRTSCTS,
SERIO_ELO, 0x03, 0x00, 0, NULL },
+#ifdef SERIO_HAMPSHIRE
+{ "--hampshire", "-ham", "Hampshire touchscreen",
+ B9600, CS8,
+ SERIO_HAMPSHIRE, 0x00, 0x00, 0, NULL },
+#endif
{ "--mtouch", "-mtouch", "MicroTouch (3M) touchscreen",
B9600, CS8 | CRTSCTS,
SERIO_MICROTOUCH, 0x00, 0x00, 0, NULL },
#ifdef SERIO_TSC40
{ "--tsc", "-tsc", "TSC-10/25/40 serial touchscreen",
B9600, CS8,
SERIO_TSC40, 0x00, 0x00, 0, tsc40_init },
#endif
{ "--touchit213", "-t213", "Sahara Touch-iT213 Tablet PC",
B9600, CS8,
--
2.5.0
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