Lines Matching refs:midi
62 static void do_emu10k1_midi_interrupt(struct snd_emu10k1 *emu, struct snd_emu10k1_midi *midi, unsigned int status)
66 if (midi->rmidi == NULL) {
67 snd_emu10k1_intr_disable(emu, midi->tx_enable | midi->rx_enable);
71 spin_lock(&midi->input_lock);
72 if ((status & midi->ipr_rx) && mpu401_input_avail(emu, midi)) {
73 if (!(midi->midi_mode & EMU10K1_MIDI_MODE_INPUT)) {
74 mpu401_clear_rx(emu, midi);
76 byte = mpu401_read_data(emu, midi);
77 if (midi->substream_input)
78 snd_rawmidi_receive(midi->substream_input, &byte, 1);
81 spin_unlock(&midi->input_lock);
83 spin_lock(&midi->output_lock);
84 if ((status & midi->ipr_tx) && mpu401_output_ready(emu, midi)) {
85 if (midi->substream_output &&
86 snd_rawmidi_transmit(midi->substream_output, &byte, 1) == 1) {
87 mpu401_write_data(emu, midi, byte);
89 snd_emu10k1_intr_disable(emu, midi->tx_enable);
92 spin_unlock(&midi->output_lock);
97 do_emu10k1_midi_interrupt(emu, &emu->midi, status);
105 static int snd_emu10k1_midi_cmd(struct snd_emu10k1 * emu, struct snd_emu10k1_midi *midi, unsigned char cmd, int ack)
110 spin_lock_irqsave(&midi->input_lock, flags);
111 mpu401_write_data(emu, midi, 0x00);
112 /* mpu401_clear_rx(emu, midi); */
114 mpu401_write_cmd(emu, midi, cmd);
119 if (mpu401_input_avail(emu, midi)) {
120 if (mpu401_read_data(emu, midi) == MPU401_ACK)
124 if (!ok && mpu401_read_data(emu, midi) == MPU401_ACK)
129 spin_unlock_irqrestore(&midi->input_lock, flags);
134 mpu401_read_stat(emu, midi),
135 mpu401_read_data(emu, midi));
144 struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data;
147 emu = midi->emu;
150 spin_lock_irqsave(&midi->open_lock, flags);
151 midi->midi_mode |= EMU10K1_MIDI_MODE_INPUT;
152 midi->substream_input = substream;
153 if (!(midi->midi_mode & EMU10K1_MIDI_MODE_OUTPUT)) {
154 spin_unlock_irqrestore(&midi->open_lock, flags);
155 if (snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 1))
157 if (snd_emu10k1_midi_cmd(emu, midi, MPU401_ENTER_UART, 1))
160 spin_unlock_irqrestore(&midi->open_lock, flags);
171 struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data;
174 emu = midi->emu;
177 spin_lock_irqsave(&midi->open_lock, flags);
178 midi->midi_mode |= EMU10K1_MIDI_MODE_OUTPUT;
179 midi->substream_output = substream;
180 if (!(midi->midi_mode & EMU10K1_MIDI_MODE_INPUT)) {
181 spin_unlock_irqrestore(&midi->open_lock, flags);
182 if (snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 1))
184 if (snd_emu10k1_midi_cmd(emu, midi, MPU401_ENTER_UART, 1))
187 spin_unlock_irqrestore(&midi->open_lock, flags);
198 struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data;
202 emu = midi->emu;
205 spin_lock_irqsave(&midi->open_lock, flags);
206 snd_emu10k1_intr_disable(emu, midi->rx_enable);
207 midi->midi_mode &= ~EMU10K1_MIDI_MODE_INPUT;
208 midi->substream_input = NULL;
209 if (!(midi->midi_mode & EMU10K1_MIDI_MODE_OUTPUT)) {
210 spin_unlock_irqrestore(&midi->open_lock, flags);
211 err = snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 0);
213 spin_unlock_irqrestore(&midi->open_lock, flags);
221 struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data;
225 emu = midi->emu;
228 spin_lock_irqsave(&midi->open_lock, flags);
229 snd_emu10k1_intr_disable(emu, midi->tx_enable);
230 midi->midi_mode &= ~EMU10K1_MIDI_MODE_OUTPUT;
231 midi->substream_output = NULL;
232 if (!(midi->midi_mode & EMU10K1_MIDI_MODE_INPUT)) {
233 spin_unlock_irqrestore(&midi->open_lock, flags);
234 err = snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 0);
236 spin_unlock_irqrestore(&midi->open_lock, flags);
244 struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data;
245 emu = midi->emu;
250 snd_emu10k1_intr_enable(emu, midi->rx_enable);
252 snd_emu10k1_intr_disable(emu, midi->rx_enable);
258 struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data;
261 emu = midi->emu;
270 spin_lock_irqsave(&midi->output_lock, flags);
272 if (mpu401_output_ready(emu, midi)) {
273 if (!(midi->midi_mode & EMU10K1_MIDI_MODE_OUTPUT) ||
276 spin_unlock_irqrestore(&midi->output_lock, flags);
279 mpu401_write_data(emu, midi, byte);
285 spin_unlock_irqrestore(&midi->output_lock, flags);
286 snd_emu10k1_intr_enable(emu, midi->tx_enable);
288 snd_emu10k1_intr_disable(emu, midi->tx_enable);
312 struct snd_emu10k1_midi *midi = rmidi->private_data;
313 midi->interrupt = NULL;
314 midi->rmidi = NULL;
317 static int emu10k1_midi_init(struct snd_emu10k1 *emu, struct snd_emu10k1_midi *midi, int device, char *name)
324 midi->emu = emu;
325 spin_lock_init(&midi->open_lock);
326 spin_lock_init(&midi->input_lock);
327 spin_lock_init(&midi->output_lock);
334 rmidi->private_data = midi;
336 midi->rmidi = rmidi;
342 struct snd_emu10k1_midi *midi = &emu->midi;
345 if ((err = emu10k1_midi_init(emu, midi, 0, "EMU10K1 MPU-401 (UART)")) < 0)
348 midi->tx_enable = INTE_MIDITXENABLE;
349 midi->rx_enable = INTE_MIDIRXENABLE;
350 midi->port = MUDATA;
351 midi->ipr_tx = IPR_MIDITRANSBUFEMPTY;
352 midi->ipr_rx = IPR_MIDIRECVBUFEMPTY;
353 midi->interrupt = snd_emu10k1_midi_interrupt;
359 struct snd_emu10k1_midi *midi;
362 midi = &emu->midi;
363 if ((err = emu10k1_midi_init(emu, midi, 0, "Audigy MPU-401 (UART)")) < 0)
366 midi->tx_enable = INTE_MIDITXENABLE;
367 midi->rx_enable = INTE_MIDIRXENABLE;
368 midi->port = A_MUDATA1;
369 midi->ipr_tx = IPR_MIDITRANSBUFEMPTY;
370 midi->ipr_rx = IPR_MIDIRECVBUFEMPTY;
371 midi->interrupt = snd_emu10k1_midi_interrupt;
373 midi = &emu->midi2;
374 if ((err = emu10k1_midi_init(emu, midi, 1, "Audigy MPU-401 #2")) < 0)
377 midi->tx_enable = INTE_A_MIDITXENABLE2;
378 midi->rx_enable = INTE_A_MIDIRXENABLE2;
379 midi->port = A_MUDATA2;
380 midi->ipr_tx = IPR_A_MIDITRANSBUFEMPTY2;
381 midi->ipr_rx = IPR_A_MIDIRECVBUFEMPTY2;
382 midi->interrupt = snd_emu10k1_midi_interrupt2;