65 	struct gameport *gameport;  member
78 static int gf2k_read_packet(struct gameport *gameport, int length, char *data)  in gf2k_read_packet()  argument
85 	t = gameport_time(gameport, GF2K_START);  in gf2k_read_packet()
86 	p = gameport_time(gameport, GF2K_STROBE);  in gf2k_read_packet()
92 	gameport_trigger(gameport);  in gf2k_read_packet()
93 	v = gameport_read(gameport);  in gf2k_read_packet()
97 		v = gameport_read(gameport);  in gf2k_read_packet()
114 static void gf2k_trigger_seq(struct gameport *gameport, short *seq)  in gf2k_trigger_seq()  argument
124 		gameport_trigger(gameport);  in gf2k_trigger_seq()
125 		t = gameport_time(gameport, GF2K_TIMEOUT * 1000);  in gf2k_trigger_seq()
126 		while ((gameport_read(gameport) & 1) && t) t--;  in gf2k_trigger_seq()
130 	gameport_trigger(gameport);  in gf2k_trigger_seq()
189 static void gf2k_poll(struct gameport *gameport)  in gf2k_poll()  argument
191 	struct gf2k *gf2k = gameport_get_drvdata(gameport);  in gf2k_poll()
196 	if (gf2k_read_packet(gf2k->gameport, gf2k_length[gf2k->id], data) < gf2k_length[gf2k->id])  in gf2k_poll()
206 	gameport_start_polling(gf2k->gameport);  in gf2k_open()
214 	gameport_stop_polling(gf2k->gameport);  in gf2k_close()
221 static int gf2k_connect(struct gameport *gameport, struct gameport_driver *drv)  in gf2k_connect()  argument
235 	gf2k->gameport = gameport;  in gf2k_connect()
238 	gameport_set_drvdata(gameport, gf2k);  in gf2k_connect()
240 	err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW);  in gf2k_connect()
244 	gf2k_trigger_seq(gameport, gf2k_seq_reset);  in gf2k_connect()
248 	gf2k_trigger_seq(gameport, gf2k_seq_digital);  in gf2k_connect()
252 	if (gf2k_read_packet(gameport, GF2K_LENGTH, data) < 12) {  in gf2k_connect()
274 			gameport->phys, gf2k->id, gf2k->id > GF2K_ID_MAX ? "Unknown" : gf2k_names[gf2k->id]);  in gf2k_connect()
279 	gameport_set_poll_handler(gameport, gf2k_poll);  in gf2k_connect()
280 	gameport_set_poll_interval(gameport, 20);  in gf2k_connect()
282 	snprintf(gf2k->phys, sizeof(gf2k->phys), "%s/input0", gameport->phys);  in gf2k_connect()
292 	input_dev->dev.parent = &gameport->dev;  in gf2k_connect()
313 	gf2k_read_packet(gameport, gf2k->length, data);  in gf2k_connect()
333  fail2:	gameport_close(gameport);  in gf2k_connect()
334  fail1:	gameport_set_drvdata(gameport, NULL);  in gf2k_connect()
340 static void gf2k_disconnect(struct gameport *gameport)  in gf2k_disconnect()  argument
342 	struct gf2k *gf2k = gameport_get_drvdata(gameport);  in gf2k_disconnect()
345 	gameport_close(gameport);  in gf2k_disconnect()
346 	gameport_set_drvdata(gameport, NULL);  in gf2k_disconnect()