Lines Matching refs:midi
76 static void do_emu10k1_midi_interrupt(struct snd_emu10k1 *emu, struct snd_emu10k1_midi *midi, unsigned int status)
80 if (midi->rmidi == NULL) {
81 snd_emu10k1_intr_disable(emu, midi->tx_enable | midi->rx_enable);
85 spin_lock(&midi->input_lock);
86 if ((status & midi->ipr_rx) && mpu401_input_avail(emu, midi)) {
87 if (!(midi->midi_mode & EMU10K1_MIDI_MODE_INPUT)) {
88 mpu401_clear_rx(emu, midi);
90 byte = mpu401_read_data(emu, midi);
91 if (midi->substream_input)
92 snd_rawmidi_receive(midi->substream_input, &byte, 1);
95 spin_unlock(&midi->input_lock);
97 spin_lock(&midi->output_lock);
98 if ((status & midi->ipr_tx) && mpu401_output_ready(emu, midi)) {
99 if (midi->substream_output &&
100 snd_rawmidi_transmit(midi->substream_output, &byte, 1) == 1) {
101 mpu401_write_data(emu, midi, byte);
103 snd_emu10k1_intr_disable(emu, midi->tx_enable);
106 spin_unlock(&midi->output_lock);
111 do_emu10k1_midi_interrupt(emu, &emu->midi, status);
119 static int snd_emu10k1_midi_cmd(struct snd_emu10k1 * emu, struct snd_emu10k1_midi *midi, unsigned char cmd, int ack)
124 spin_lock_irqsave(&midi->input_lock, flags);
125 mpu401_write_data(emu, midi, 0x00);
126 /* mpu401_clear_rx(emu, midi); */
128 mpu401_write_cmd(emu, midi, cmd);
133 if (mpu401_input_avail(emu, midi)) {
134 if (mpu401_read_data(emu, midi) == MPU401_ACK)
138 if (!ok && mpu401_read_data(emu, midi) == MPU401_ACK)
143 spin_unlock_irqrestore(&midi->input_lock, flags);
147 mpu401_read_stat(emu, midi),
148 mpu401_read_data(emu, midi));
157 struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data;
160 emu = midi->emu;
162 spin_lock_irqsave(&midi->open_lock, flags);
163 midi->midi_mode |= EMU10K1_MIDI_MODE_INPUT;
164 midi->substream_input = substream;
165 if (!(midi->midi_mode & EMU10K1_MIDI_MODE_OUTPUT)) {
166 spin_unlock_irqrestore(&midi->open_lock, flags);
167 if (snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 1))
169 if (snd_emu10k1_midi_cmd(emu, midi, MPU401_ENTER_UART, 1))
172 spin_unlock_irqrestore(&midi->open_lock, flags);
183 struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data;
186 emu = midi->emu;
188 spin_lock_irqsave(&midi->open_lock, flags);
189 midi->midi_mode |= EMU10K1_MIDI_MODE_OUTPUT;
190 midi->substream_output = substream;
191 if (!(midi->midi_mode & EMU10K1_MIDI_MODE_INPUT)) {
192 spin_unlock_irqrestore(&midi->open_lock, flags);
193 if (snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 1))
195 if (snd_emu10k1_midi_cmd(emu, midi, MPU401_ENTER_UART, 1))
198 spin_unlock_irqrestore(&midi->open_lock, flags);
209 struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data;
213 emu = midi->emu;
215 spin_lock_irqsave(&midi->open_lock, flags);
216 snd_emu10k1_intr_disable(emu, midi->rx_enable);
217 midi->midi_mode &= ~EMU10K1_MIDI_MODE_INPUT;
218 midi->substream_input = NULL;
219 if (!(midi->midi_mode & EMU10K1_MIDI_MODE_OUTPUT)) {
220 spin_unlock_irqrestore(&midi->open_lock, flags);
221 err = snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 0);
223 spin_unlock_irqrestore(&midi->open_lock, flags);
231 struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data;
235 emu = midi->emu;
237 spin_lock_irqsave(&midi->open_lock, flags);
238 snd_emu10k1_intr_disable(emu, midi->tx_enable);
239 midi->midi_mode &= ~EMU10K1_MIDI_MODE_OUTPUT;
240 midi->substream_output = NULL;
241 if (!(midi->midi_mode & EMU10K1_MIDI_MODE_INPUT)) {
242 spin_unlock_irqrestore(&midi->open_lock, flags);
243 err = snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 0);
245 spin_unlock_irqrestore(&midi->open_lock, flags);
253 struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data;
254 emu = midi->emu;
258 snd_emu10k1_intr_enable(emu, midi->rx_enable);
260 snd_emu10k1_intr_disable(emu, midi->rx_enable);
266 struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data;
269 emu = midi->emu;
277 spin_lock_irqsave(&midi->output_lock, flags);
279 if (mpu401_output_ready(emu, midi)) {
280 if (!(midi->midi_mode & EMU10K1_MIDI_MODE_OUTPUT) ||
283 spin_unlock_irqrestore(&midi->output_lock, flags);
286 mpu401_write_data(emu, midi, byte);
292 spin_unlock_irqrestore(&midi->output_lock, flags);
293 snd_emu10k1_intr_enable(emu, midi->tx_enable);
295 snd_emu10k1_intr_disable(emu, midi->tx_enable);
319 struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)rmidi->private_data;
320 midi->interrupt = NULL;
321 midi->rmidi = NULL;
324 static int __devinit emu10k1_midi_init(struct snd_emu10k1 *emu, struct snd_emu10k1_midi *midi, int device, char *name)
331 midi->emu = emu;
332 spin_lock_init(&midi->open_lock);
333 spin_lock_init(&midi->input_lock);
334 spin_lock_init(&midi->output_lock);
341 rmidi->private_data = midi;
343 midi->rmidi = rmidi;
349 struct snd_emu10k1_midi *midi = &emu->midi;
352 if ((err = emu10k1_midi_init(emu, midi, 0, "EMU10K1 MPU-401 (UART)")) < 0)
355 midi->tx_enable = INTE_MIDITXENABLE;
356 midi->rx_enable = INTE_MIDIRXENABLE;
357 midi->port = MUDATA;
358 midi->ipr_tx = IPR_MIDITRANSBUFEMPTY;
359 midi->ipr_rx = IPR_MIDIRECVBUFEMPTY;
360 midi->interrupt = snd_emu10k1_midi_interrupt;
366 struct snd_emu10k1_midi *midi;
369 midi = &emu->midi;
370 if ((err = emu10k1_midi_init(emu, midi, 0, "Audigy MPU-401 (UART)")) < 0)
373 midi->tx_enable = INTE_MIDITXENABLE;
374 midi->rx_enable = INTE_MIDIRXENABLE;
375 midi->port = A_MUDATA1;
376 midi->ipr_tx = IPR_MIDITRANSBUFEMPTY;
377 midi->ipr_rx = IPR_MIDIRECVBUFEMPTY;
378 midi->interrupt = snd_emu10k1_midi_interrupt;
380 midi = &emu->midi2;
381 if ((err = emu10k1_midi_init(emu, midi, 1, "Audigy MPU-401 #2")) < 0)
384 midi->tx_enable = INTE_A_MIDITXENABLE2;
385 midi->rx_enable = INTE_A_MIDIRXENABLE2;
386 midi->port = A_MUDATA2;
387 midi->ipr_tx = IPR_A_MIDITRANSBUFEMPTY2;
388 midi->ipr_rx = IPR_A_MIDIRECVBUFEMPTY2;
389 midi->interrupt = snd_emu10k1_midi_interrupt2;