1852 static int snd_hdspm_midi_output_write (struct hdspm_midi *hmidi)  in snd_hdspm_midi_output_write()  argument
1862 	spin_lock_irqsave (&hmidi->lock, flags);  in snd_hdspm_midi_output_write()
1863 	if (hmidi->output &&  in snd_hdspm_midi_output_write()
1864 	    !snd_rawmidi_transmit_empty (hmidi->output)) {  in snd_hdspm_midi_output_write()
1865 		n_pending = snd_hdspm_midi_output_possible (hmidi->hdspm,  in snd_hdspm_midi_output_write()
1866 							    hmidi->id);  in snd_hdspm_midi_output_write()
1871 			to_write = snd_rawmidi_transmit (hmidi->output, buf,  in snd_hdspm_midi_output_write()
1875 					snd_hdspm_midi_write_byte (hmidi->hdspm,  in snd_hdspm_midi_output_write()
1876 								   hmidi->id,  in snd_hdspm_midi_output_write()
1881 	spin_unlock_irqrestore (&hmidi->lock, flags);  in snd_hdspm_midi_output_write()
1885 static int snd_hdspm_midi_input_read (struct hdspm_midi *hmidi)  in snd_hdspm_midi_input_read()  argument
1894 	spin_lock_irqsave (&hmidi->lock, flags);  in snd_hdspm_midi_input_read()
1895 	n_pending = snd_hdspm_midi_input_available (hmidi->hdspm, hmidi->id);  in snd_hdspm_midi_input_read()
1897 		if (hmidi->input) {  in snd_hdspm_midi_input_read()
1901 				buf[i] = snd_hdspm_midi_read_byte (hmidi->hdspm,  in snd_hdspm_midi_input_read()
1902 								   hmidi->id);  in snd_hdspm_midi_input_read()
1904 				snd_rawmidi_receive (hmidi->input, buf,  in snd_hdspm_midi_input_read()
1909 				snd_hdspm_midi_read_byte (hmidi->hdspm,  in snd_hdspm_midi_input_read()
1910 							  hmidi->id);  in snd_hdspm_midi_input_read()
1913 	hmidi->pending = 0;  in snd_hdspm_midi_input_read()
1914 	spin_unlock_irqrestore(&hmidi->lock, flags);  in snd_hdspm_midi_input_read()
1916 	spin_lock_irqsave(&hmidi->hdspm->lock, flags);  in snd_hdspm_midi_input_read()
1917 	hmidi->hdspm->control_register |= hmidi->ie;  in snd_hdspm_midi_input_read()
1918 	hdspm_write(hmidi->hdspm, HDSPM_controlRegister,  in snd_hdspm_midi_input_read()
1919 		    hmidi->hdspm->control_register);  in snd_hdspm_midi_input_read()
1920 	spin_unlock_irqrestore(&hmidi->hdspm->lock, flags);  in snd_hdspm_midi_input_read()
1922 	return snd_hdspm_midi_output_write (hmidi);  in snd_hdspm_midi_input_read()
1929 	struct hdspm_midi *hmidi;  in snd_hdspm_midi_input_trigger()  local
1932 	hmidi = substream->rmidi->private_data;  in snd_hdspm_midi_input_trigger()
1933 	hdspm = hmidi->hdspm;  in snd_hdspm_midi_input_trigger()
1937 		if (!(hdspm->control_register & hmidi->ie)) {  in snd_hdspm_midi_input_trigger()
1938 			snd_hdspm_flush_midi_input (hdspm, hmidi->id);  in snd_hdspm_midi_input_trigger()
1939 			hdspm->control_register |= hmidi->ie;  in snd_hdspm_midi_input_trigger()
1942 		hdspm->control_register &= ~hmidi->ie;  in snd_hdspm_midi_input_trigger()
1951 	struct hdspm_midi *hmidi = (struct hdspm_midi *) data;  in snd_hdspm_midi_output_timer()  local
1954 	snd_hdspm_midi_output_write(hmidi);  in snd_hdspm_midi_output_timer()
1955 	spin_lock_irqsave (&hmidi->lock, flags);  in snd_hdspm_midi_output_timer()
1963 	if (hmidi->istimer)  in snd_hdspm_midi_output_timer()
1964 		mod_timer(&hmidi->timer, 1 + jiffies);  in snd_hdspm_midi_output_timer()
1966 	spin_unlock_irqrestore (&hmidi->lock, flags);  in snd_hdspm_midi_output_timer()
1972 	struct hdspm_midi *hmidi;  in snd_hdspm_midi_output_trigger()  local
1975 	hmidi = substream->rmidi->private_data;  in snd_hdspm_midi_output_trigger()
1976 	spin_lock_irqsave (&hmidi->lock, flags);  in snd_hdspm_midi_output_trigger()
1978 		if (!hmidi->istimer) {  in snd_hdspm_midi_output_trigger()
1979 			setup_timer(&hmidi->timer, snd_hdspm_midi_output_timer,  in snd_hdspm_midi_output_trigger()
1980 				    (unsigned long) hmidi);  in snd_hdspm_midi_output_trigger()
1981 			mod_timer(&hmidi->timer, 1 + jiffies);  in snd_hdspm_midi_output_trigger()
1982 			hmidi->istimer++;  in snd_hdspm_midi_output_trigger()
1985 		if (hmidi->istimer && --hmidi->istimer <= 0)  in snd_hdspm_midi_output_trigger()
1986 			del_timer (&hmidi->timer);  in snd_hdspm_midi_output_trigger()
1988 	spin_unlock_irqrestore (&hmidi->lock, flags);  in snd_hdspm_midi_output_trigger()
1990 		snd_hdspm_midi_output_write(hmidi);  in snd_hdspm_midi_output_trigger()
1995 	struct hdspm_midi *hmidi;  in snd_hdspm_midi_input_open()  local
1997 	hmidi = substream->rmidi->private_data;  in snd_hdspm_midi_input_open()
1998 	spin_lock_irq (&hmidi->lock);  in snd_hdspm_midi_input_open()
1999 	snd_hdspm_flush_midi_input (hmidi->hdspm, hmidi->id);  in snd_hdspm_midi_input_open()
2000 	hmidi->input = substream;  in snd_hdspm_midi_input_open()
2001 	spin_unlock_irq (&hmidi->lock);  in snd_hdspm_midi_input_open()
2008 	struct hdspm_midi *hmidi;  in snd_hdspm_midi_output_open()  local
2010 	hmidi = substream->rmidi->private_data;  in snd_hdspm_midi_output_open()
2011 	spin_lock_irq (&hmidi->lock);  in snd_hdspm_midi_output_open()
2012 	hmidi->output = substream;  in snd_hdspm_midi_output_open()
2013 	spin_unlock_irq (&hmidi->lock);  in snd_hdspm_midi_output_open()
2020 	struct hdspm_midi *hmidi;  in snd_hdspm_midi_input_close()  local
2024 	hmidi = substream->rmidi->private_data;  in snd_hdspm_midi_input_close()
2025 	spin_lock_irq (&hmidi->lock);  in snd_hdspm_midi_input_close()
2026 	hmidi->input = NULL;  in snd_hdspm_midi_input_close()
2027 	spin_unlock_irq (&hmidi->lock);  in snd_hdspm_midi_input_close()
2034 	struct hdspm_midi *hmidi;  in snd_hdspm_midi_output_close()  local
2038 	hmidi = substream->rmidi->private_data;  in snd_hdspm_midi_output_close()
2039 	spin_lock_irq (&hmidi->lock);  in snd_hdspm_midi_output_close()
2040 	hmidi->output = NULL;  in snd_hdspm_midi_output_close()
2041 	spin_unlock_irq (&hmidi->lock);  in snd_hdspm_midi_output_close()