62 	struct gameport *gameport;  member
75 static int gf2k_read_packet(struct gameport *gameport, int length, char *data)  in gf2k_read_packet()  argument
82 	t = gameport_time(gameport, GF2K_START);  in gf2k_read_packet()
83 	p = gameport_time(gameport, GF2K_STROBE);  in gf2k_read_packet()
89 	gameport_trigger(gameport);  in gf2k_read_packet()
90 	v = gameport_read(gameport);  in gf2k_read_packet()
94 		v = gameport_read(gameport);  in gf2k_read_packet()
111 static void gf2k_trigger_seq(struct gameport *gameport, short *seq)  in gf2k_trigger_seq()  argument
121 		gameport_trigger(gameport);  in gf2k_trigger_seq()
122 		t = gameport_time(gameport, GF2K_TIMEOUT * 1000);  in gf2k_trigger_seq()
123 		while ((gameport_read(gameport) & 1) && t) t--;  in gf2k_trigger_seq()
127 	gameport_trigger(gameport);  in gf2k_trigger_seq()
186 static void gf2k_poll(struct gameport *gameport)  in gf2k_poll()  argument
188 	struct gf2k *gf2k = gameport_get_drvdata(gameport);  in gf2k_poll()
193 	if (gf2k_read_packet(gf2k->gameport, gf2k_length[gf2k->id], data) < gf2k_length[gf2k->id])  in gf2k_poll()
203 	gameport_start_polling(gf2k->gameport);  in gf2k_open()
211 	gameport_stop_polling(gf2k->gameport);  in gf2k_close()
218 static int gf2k_connect(struct gameport *gameport, struct gameport_driver *drv)  in gf2k_connect()  argument
232 	gf2k->gameport = gameport;  in gf2k_connect()
235 	gameport_set_drvdata(gameport, gf2k);  in gf2k_connect()
237 	err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW);  in gf2k_connect()
241 	gf2k_trigger_seq(gameport, gf2k_seq_reset);  in gf2k_connect()
245 	gf2k_trigger_seq(gameport, gf2k_seq_digital);  in gf2k_connect()
249 	if (gf2k_read_packet(gameport, GF2K_LENGTH, data) < 12) {  in gf2k_connect()
271 			gameport->phys, gf2k->id, gf2k->id > GF2K_ID_MAX ? "Unknown" : gf2k_names[gf2k->id]);  in gf2k_connect()
276 	gameport_set_poll_handler(gameport, gf2k_poll);  in gf2k_connect()
277 	gameport_set_poll_interval(gameport, 20);  in gf2k_connect()
279 	snprintf(gf2k->phys, sizeof(gf2k->phys), "%s/input0", gameport->phys);  in gf2k_connect()
289 	input_dev->dev.parent = &gameport->dev;  in gf2k_connect()
310 	gf2k_read_packet(gameport, gf2k->length, data);  in gf2k_connect()
330  fail2:	gameport_close(gameport);  in gf2k_connect()
331  fail1:	gameport_set_drvdata(gameport, NULL);  in gf2k_connect()
337 static void gf2k_disconnect(struct gameport *gameport)  in gf2k_disconnect()  argument
339 	struct gf2k *gf2k = gameport_get_drvdata(gameport);  in gf2k_disconnect()
342 	gameport_close(gameport);  in gf2k_disconnect()
343 	gameport_set_drvdata(gameport, NULL);  in gf2k_disconnect()