81 	struct gameport *gameport;  member
94 static int gf2k_read_packet(struct gameport *gameport, int length, char *data)  in gf2k_read_packet()  argument
101 	t = gameport_time(gameport, GF2K_START);  in gf2k_read_packet()
102 	p = gameport_time(gameport, GF2K_STROBE);  in gf2k_read_packet()
108 	gameport_trigger(gameport);  in gf2k_read_packet()
109 	v = gameport_read(gameport);  in gf2k_read_packet()
113 		v = gameport_read(gameport);  in gf2k_read_packet()
130 static void gf2k_trigger_seq(struct gameport *gameport, short *seq)  in gf2k_trigger_seq()  argument
140 		gameport_trigger(gameport);  in gf2k_trigger_seq()
141 		t = gameport_time(gameport, GF2K_TIMEOUT * 1000);  in gf2k_trigger_seq()
142 		while ((gameport_read(gameport) & 1) && t) t--;  in gf2k_trigger_seq()
146 	gameport_trigger(gameport);  in gf2k_trigger_seq()
205 static void gf2k_poll(struct gameport *gameport)  in gf2k_poll()  argument
207 	struct gf2k *gf2k = gameport_get_drvdata(gameport);  in gf2k_poll()
212 	if (gf2k_read_packet(gf2k->gameport, gf2k_length[gf2k->id], data) < gf2k_length[gf2k->id])  in gf2k_poll()
222 	gameport_start_polling(gf2k->gameport);  in gf2k_open()
230 	gameport_stop_polling(gf2k->gameport);  in gf2k_close()
237 static int gf2k_connect(struct gameport *gameport, struct gameport_driver *drv)  in gf2k_connect()  argument
251 	gf2k->gameport = gameport;  in gf2k_connect()
254 	gameport_set_drvdata(gameport, gf2k);  in gf2k_connect()
256 	err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW);  in gf2k_connect()
260 	gf2k_trigger_seq(gameport, gf2k_seq_reset);  in gf2k_connect()
264 	gf2k_trigger_seq(gameport, gf2k_seq_digital);  in gf2k_connect()
268 	if (gf2k_read_packet(gameport, GF2K_LENGTH, data) < 12) {  in gf2k_connect()
290 			gameport->phys, gf2k->id, gf2k->id > GF2K_ID_MAX ? "Unknown" : gf2k_names[gf2k->id]);  in gf2k_connect()
295 	gameport_set_poll_handler(gameport, gf2k_poll);  in gf2k_connect()
296 	gameport_set_poll_interval(gameport, 20);  in gf2k_connect()
298 	snprintf(gf2k->phys, sizeof(gf2k->phys), "%s/input0", gameport->phys);  in gf2k_connect()
308 	input_dev->dev.parent = &gameport->dev;  in gf2k_connect()
329 	gf2k_read_packet(gameport, gf2k->length, data);  in gf2k_connect()
349  fail2:	gameport_close(gameport);  in gf2k_connect()
350  fail1:	gameport_set_drvdata(gameport, NULL);  in gf2k_connect()
356 static void gf2k_disconnect(struct gameport *gameport)  in gf2k_disconnect()  argument
358 	struct gf2k *gf2k = gameport_get_drvdata(gameport);  in gf2k_disconnect()
361 	gameport_close(gameport);  in gf2k_disconnect()
362 	gameport_set_drvdata(gameport, NULL);  in gf2k_disconnect()