1846 static int snd_hdspm_midi_output_write (struct hdspm_midi *hmidi)  in snd_hdspm_midi_output_write()  argument
1856 	spin_lock_irqsave (&hmidi->lock, flags);  in snd_hdspm_midi_output_write()
1857 	if (hmidi->output &&  in snd_hdspm_midi_output_write()
1858 	    !snd_rawmidi_transmit_empty (hmidi->output)) {  in snd_hdspm_midi_output_write()
1859 		n_pending = snd_hdspm_midi_output_possible (hmidi->hdspm,  in snd_hdspm_midi_output_write()
1860 							    hmidi->id);  in snd_hdspm_midi_output_write()
1865 			to_write = snd_rawmidi_transmit (hmidi->output, buf,  in snd_hdspm_midi_output_write()
1869 					snd_hdspm_midi_write_byte (hmidi->hdspm,  in snd_hdspm_midi_output_write()
1870 								   hmidi->id,  in snd_hdspm_midi_output_write()
1875 	spin_unlock_irqrestore (&hmidi->lock, flags);  in snd_hdspm_midi_output_write()
1879 static int snd_hdspm_midi_input_read (struct hdspm_midi *hmidi)  in snd_hdspm_midi_input_read()  argument
1888 	spin_lock_irqsave (&hmidi->lock, flags);  in snd_hdspm_midi_input_read()
1889 	n_pending = snd_hdspm_midi_input_available (hmidi->hdspm, hmidi->id);  in snd_hdspm_midi_input_read()
1891 		if (hmidi->input) {  in snd_hdspm_midi_input_read()
1895 				buf[i] = snd_hdspm_midi_read_byte (hmidi->hdspm,  in snd_hdspm_midi_input_read()
1896 								   hmidi->id);  in snd_hdspm_midi_input_read()
1898 				snd_rawmidi_receive (hmidi->input, buf,  in snd_hdspm_midi_input_read()
1903 				snd_hdspm_midi_read_byte (hmidi->hdspm,  in snd_hdspm_midi_input_read()
1904 							  hmidi->id);  in snd_hdspm_midi_input_read()
1907 	hmidi->pending = 0;  in snd_hdspm_midi_input_read()
1908 	spin_unlock_irqrestore(&hmidi->lock, flags);  in snd_hdspm_midi_input_read()
1910 	spin_lock_irqsave(&hmidi->hdspm->lock, flags);  in snd_hdspm_midi_input_read()
1911 	hmidi->hdspm->control_register |= hmidi->ie;  in snd_hdspm_midi_input_read()
1912 	hdspm_write(hmidi->hdspm, HDSPM_controlRegister,  in snd_hdspm_midi_input_read()
1913 		    hmidi->hdspm->control_register);  in snd_hdspm_midi_input_read()
1914 	spin_unlock_irqrestore(&hmidi->hdspm->lock, flags);  in snd_hdspm_midi_input_read()
1916 	return snd_hdspm_midi_output_write (hmidi);  in snd_hdspm_midi_input_read()
1923 	struct hdspm_midi *hmidi;  in snd_hdspm_midi_input_trigger()  local
1926 	hmidi = substream->rmidi->private_data;  in snd_hdspm_midi_input_trigger()
1927 	hdspm = hmidi->hdspm;  in snd_hdspm_midi_input_trigger()
1931 		if (!(hdspm->control_register & hmidi->ie)) {  in snd_hdspm_midi_input_trigger()
1932 			snd_hdspm_flush_midi_input (hdspm, hmidi->id);  in snd_hdspm_midi_input_trigger()
1933 			hdspm->control_register |= hmidi->ie;  in snd_hdspm_midi_input_trigger()
1936 		hdspm->control_register &= ~hmidi->ie;  in snd_hdspm_midi_input_trigger()
1945 	struct hdspm_midi *hmidi = from_timer(hmidi, t, timer);  in snd_hdspm_midi_output_timer()  local
1948 	snd_hdspm_midi_output_write(hmidi);  in snd_hdspm_midi_output_timer()
1949 	spin_lock_irqsave (&hmidi->lock, flags);  in snd_hdspm_midi_output_timer()
1957 	if (hmidi->istimer)  in snd_hdspm_midi_output_timer()
1958 		mod_timer(&hmidi->timer, 1 + jiffies);  in snd_hdspm_midi_output_timer()
1960 	spin_unlock_irqrestore (&hmidi->lock, flags);  in snd_hdspm_midi_output_timer()
1966 	struct hdspm_midi *hmidi;  in snd_hdspm_midi_output_trigger()  local
1969 	hmidi = substream->rmidi->private_data;  in snd_hdspm_midi_output_trigger()
1970 	spin_lock_irqsave (&hmidi->lock, flags);  in snd_hdspm_midi_output_trigger()
1972 		if (!hmidi->istimer) {  in snd_hdspm_midi_output_trigger()
1973 			timer_setup(&hmidi->timer,  in snd_hdspm_midi_output_trigger()
1975 			mod_timer(&hmidi->timer, 1 + jiffies);  in snd_hdspm_midi_output_trigger()
1976 			hmidi->istimer++;  in snd_hdspm_midi_output_trigger()
1979 		if (hmidi->istimer && --hmidi->istimer <= 0)  in snd_hdspm_midi_output_trigger()
1980 			del_timer (&hmidi->timer);  in snd_hdspm_midi_output_trigger()
1982 	spin_unlock_irqrestore (&hmidi->lock, flags);  in snd_hdspm_midi_output_trigger()
1984 		snd_hdspm_midi_output_write(hmidi);  in snd_hdspm_midi_output_trigger()
1989 	struct hdspm_midi *hmidi;  in snd_hdspm_midi_input_open()  local
1991 	hmidi = substream->rmidi->private_data;  in snd_hdspm_midi_input_open()
1992 	spin_lock_irq (&hmidi->lock);  in snd_hdspm_midi_input_open()
1993 	snd_hdspm_flush_midi_input (hmidi->hdspm, hmidi->id);  in snd_hdspm_midi_input_open()
1994 	hmidi->input = substream;  in snd_hdspm_midi_input_open()
1995 	spin_unlock_irq (&hmidi->lock);  in snd_hdspm_midi_input_open()
2002 	struct hdspm_midi *hmidi;  in snd_hdspm_midi_output_open()  local
2004 	hmidi = substream->rmidi->private_data;  in snd_hdspm_midi_output_open()
2005 	spin_lock_irq (&hmidi->lock);  in snd_hdspm_midi_output_open()
2006 	hmidi->output = substream;  in snd_hdspm_midi_output_open()
2007 	spin_unlock_irq (&hmidi->lock);  in snd_hdspm_midi_output_open()
2014 	struct hdspm_midi *hmidi;  in snd_hdspm_midi_input_close()  local
2018 	hmidi = substream->rmidi->private_data;  in snd_hdspm_midi_input_close()
2019 	spin_lock_irq (&hmidi->lock);  in snd_hdspm_midi_input_close()
2020 	hmidi->input = NULL;  in snd_hdspm_midi_input_close()
2021 	spin_unlock_irq (&hmidi->lock);  in snd_hdspm_midi_input_close()
2028 	struct hdspm_midi *hmidi;  in snd_hdspm_midi_output_close()  local
2032 	hmidi = substream->rmidi->private_data;  in snd_hdspm_midi_output_close()
2033 	spin_lock_irq (&hmidi->lock);  in snd_hdspm_midi_output_close()
2034 	hmidi->output = NULL;  in snd_hdspm_midi_output_close()
2035 	spin_unlock_irq (&hmidi->lock);  in snd_hdspm_midi_output_close()