120 static int mpu_timer_init(int midi_dev);
768 	int midi_dev;  in mpu_synth_ioctl()  local
771 	midi_dev = synth_devs[dev]->midi_dev;  in mpu_synth_ioctl()
773 	if (midi_dev < 0 || midi_dev >= num_midis || midi_devs[midi_dev] == NULL)  in mpu_synth_ioctl()
776 	devc = &dev_conf[midi_dev];  in mpu_synth_ioctl()
782 			if (copy_to_user(arg, &mpu_synth_info[midi_dev],  in mpu_synth_ioctl()
797 	int midi_dev, err;  in mpu_synth_open()  local
801 	midi_dev = synth_devs[dev]->midi_dev;  in mpu_synth_open()
803 	if (midi_dev < 0 || midi_dev > num_midis || midi_devs[midi_dev] == NULL)  in mpu_synth_open()
806 	devc = &dev_conf[midi_dev];  in mpu_synth_open()
831 	coprocessor = midi_devs[midi_dev]->coproc;  in mpu_synth_open()
847 		mpu_cmd(midi_dev, 0x8B, 0);	/* Enable data in stop mode */  in mpu_synth_open()
848 		mpu_cmd(midi_dev, 0x34, 0);	/* Return timing bytes in stop mode */  in mpu_synth_open()
849 		mpu_cmd(midi_dev, 0x87, 0);	/* Enable pitch & controller */  in mpu_synth_open()
856 	int midi_dev;  in mpu_synth_close()  local
860 	midi_dev = synth_devs[dev]->midi_dev;  in mpu_synth_close()
862 	devc = &dev_conf[midi_dev];  in mpu_synth_close()
863 	mpu_cmd(midi_dev, 0x15, 0);	/* Stop recording, playback and MIDI */  in mpu_synth_close()
864 	mpu_cmd(midi_dev, 0x8a, 0);	/* Disable data in stopped mode */  in mpu_synth_close()
868 	coprocessor = midi_devs[midi_dev]->coproc;  in mpu_synth_close()
886 	.midi_dev	= 0,
1088 	mpu401_synth_operations[m]->midi_dev = devc->devno = m;  in attach_mpu401()
1251 static void set_timebase(int midi_dev, int val)  in set_timebase()  argument
1265 	if (mpu_cmd(midi_dev, 0xC0 | (hw_val & 0x0f), 0) < 0)  in set_timebase()
1286 static void set_timer_mode(int midi_dev)  in set_timer_mode()  argument
1289 		mpu_cmd(midi_dev, 0x3c, 0);	/* Use CLS sync */  in set_timer_mode()
1291 		mpu_cmd(midi_dev, 0x3d, 0);	/* Use SMPTE sync */  in set_timer_mode()
1295 		  mpu_cmd(midi_dev, 0x80, 0);	/* Use MIDI sync */  in set_timer_mode()
1301 			mpu_cmd(midi_dev, 0x82, 0);		/* Use MIDI sync */  in set_timer_mode()
1302 			mpu_cmd(midi_dev, 0x91, 0);		/* Enable ext MIDI ctrl */  in set_timer_mode()
1305 			mpu_cmd(midi_dev, 0x81, 0);	/* Use FSK sync */  in set_timer_mode()
1309 static void stop_metronome(int midi_dev)  in stop_metronome()  argument
1311 	mpu_cmd(midi_dev, 0x84, 0);	/* Disable metronome */  in stop_metronome()
1314 static void setup_metronome(int midi_dev)  in setup_metronome()  argument
1327 		mpu_cmd(midi_dev, 0x84, 0);	/* Disable metronome */  in setup_metronome()
1330 		mpu_cmd(midi_dev, 0xE4, clks_per_click);  in setup_metronome()
1331 		mpu_cmd(midi_dev, 0xE6, beats_per_measure);  in setup_metronome()
1332 		mpu_cmd(midi_dev, 0x83, 0);	/* Enable metronome without accents */  in setup_metronome()
1336 static int mpu_start_timer(int midi_dev)  in mpu_start_timer()  argument
1338 	struct mpu_config *devc= &dev_conf[midi_dev];  in mpu_start_timer()
1341 	set_timer_mode(midi_dev);  in mpu_start_timer()
1348 		mpu_cmd(midi_dev, 0x02, 0);	/* Send MIDI start */  in mpu_start_timer()
1354 		mpu_cmd(midi_dev, 0x35, 0);	/* Enable mode messages to PC */  in mpu_start_timer()
1355 		mpu_cmd(midi_dev, 0x38, 0);	/* Enable sys common messages to PC */  in mpu_start_timer()
1356 		mpu_cmd(midi_dev, 0x39, 0);	/* Enable real time messages to PC */  in mpu_start_timer()
1357 		mpu_cmd(midi_dev, 0x97, 0);	/* Enable system exclusive messages to PC */  in mpu_start_timer()
1364 	int midi_dev = sound_timer_devs[dev]->devlink;  in mpu_timer_open()  local
1365 	struct mpu_config *devc= &dev_conf[midi_dev];  in mpu_timer_open()
1372 	mpu_cmd(midi_dev, 0xE0, 50);  in mpu_timer_open()
1374 	set_timebase(midi_dev, 120);  in mpu_timer_open()
1377 	set_timer_mode(midi_dev);  in mpu_timer_open()
1379 	mpu_cmd(midi_dev, 0xe7, 0x04);	/* Send all clocks to host */  in mpu_timer_open()
1380 	mpu_cmd(midi_dev, 0x95, 0);	/* Enable clock to host */  in mpu_timer_open()
1387 	int midi_dev = sound_timer_devs[dev]->devlink;  in mpu_timer_close()  local
1390 	mpu_cmd(midi_dev, 0x15, 0);	/* Stop all */  in mpu_timer_close()
1391 	mpu_cmd(midi_dev, 0x94, 0);	/* Disable clock to host */  in mpu_timer_close()
1392 	mpu_cmd(midi_dev, 0x8c, 0);	/* Disable measure end messages to host */  in mpu_timer_close()
1393 	stop_metronome(midi_dev);  in mpu_timer_close()
1400 	int midi_dev = sound_timer_devs[dev]->devlink;  in mpu_timer_event()  local
1423 			return mpu_start_timer(midi_dev);  in mpu_timer_event()
1426 			mpu_cmd(midi_dev, 0x01, 0);	/* Send MIDI stop */  in mpu_timer_event()
1427 			stop_metronome(midi_dev);  in mpu_timer_event()
1434 			mpu_cmd(midi_dev, 0x03, 0);	/* Send MIDI continue */  in mpu_timer_event()
1435 			setup_metronome(midi_dev);  in mpu_timer_event()
1446 				if (mpu_cmd(midi_dev, 0xE0, parm) < 0)  in mpu_timer_event()
1460 				setup_metronome(midi_dev);  in mpu_timer_event()
1479 	int midi_dev = sound_timer_devs[dev]->devlink;  in mpu_timer_ioctl()  local
1497 						mpu_cmd(midi_dev, 0x3c, 0);		/* Use CLS sync */  in mpu_timer_ioctl()
1499 						mpu_cmd(midi_dev, 0x3d, 0);		/* Use SMPTE sync */  in mpu_timer_ioctl()
1508 			mpu_start_timer(midi_dev);  in mpu_timer_ioctl()
1513 			mpu_cmd(midi_dev, 0x01, 0);	/* Send MIDI stop */  in mpu_timer_ioctl()
1514 			stop_metronome(midi_dev);  in mpu_timer_ioctl()
1521 			mpu_cmd(midi_dev, 0x03, 0);	/* Send MIDI continue */  in mpu_timer_ioctl()
1530 					set_timebase(midi_dev, val);  in mpu_timer_ioctl()
1551 					if ((ret = mpu_cmd(midi_dev, 0xE0, val)) < 0)  in mpu_timer_ioctl()
1587 			setup_metronome(midi_dev);  in mpu_timer_ioctl()
1639 	int midi_dev = devc->devno;  in timer_ext_event()  local
1657 					setup_metronome(midi_dev);  in timer_ext_event()
1669 				stop_metronome(midi_dev);  in timer_ext_event()
1679 				setup_metronome(midi_dev);  in timer_ext_event()
1694 static int mpu_timer_init(int midi_dev)  in mpu_timer_init()  argument
1699 	devc = &dev_conf[midi_dev];  in mpu_timer_init()
1706 	mpu_timer.devlink = midi_dev;  in mpu_timer_init()
1707 	dev_conf[midi_dev].timer_flag = 1;  in mpu_timer_init()