Lines Matching defs:midi
36 #define ca_midi_write_data(midi, data) midi->write(midi, data, 0)
37 #define ca_midi_write_cmd(midi, data) midi->write(midi, data, 1)
38 #define ca_midi_read_data(midi) midi->read(midi, 0)
39 #define ca_midi_read_stat(midi) midi->read(midi, 1)
40 #define ca_midi_input_avail(midi) (!(ca_midi_read_stat(midi) & midi->input_avail))
41 #define ca_midi_output_ready(midi) (!(ca_midi_read_stat(midi) & midi->output_ready))
43 static void ca_midi_clear_rx(struct snd_ca_midi *midi)
46 for (; timeout > 0 && ca_midi_input_avail(midi); timeout--)
47 ca_midi_read_data(midi);
51 ca_midi_read_stat(midi));
55 static void ca_midi_interrupt(struct snd_ca_midi *midi, unsigned int status)
59 if (midi->rmidi == NULL) {
60 midi->interrupt_disable(midi,midi->tx_enable | midi->rx_enable);
64 spin_lock(&midi->input_lock);
65 if ((status & midi->ipr_rx) && ca_midi_input_avail(midi)) {
66 if (!(midi->midi_mode & CA_MIDI_MODE_INPUT)) {
67 ca_midi_clear_rx(midi);
69 byte = ca_midi_read_data(midi);
70 if(midi->substream_input)
71 snd_rawmidi_receive(midi->substream_input, &byte, 1);
76 spin_unlock(&midi->input_lock);
78 spin_lock(&midi->output_lock);
79 if ((status & midi->ipr_tx) && ca_midi_output_ready(midi)) {
80 if (midi->substream_output &&
81 snd_rawmidi_transmit(midi->substream_output, &byte, 1) == 1) {
82 ca_midi_write_data(midi, byte);
84 midi->interrupt_disable(midi,midi->tx_enable);
87 spin_unlock(&midi->output_lock);
91 static void ca_midi_cmd(struct snd_ca_midi *midi, unsigned char cmd, int ack)
96 spin_lock_irqsave(&midi->input_lock, flags);
97 ca_midi_write_data(midi, 0x00);
98 /* ca_midi_clear_rx(midi); */
100 ca_midi_write_cmd(midi, cmd);
105 if (ca_midi_input_avail(midi)) {
106 if (ca_midi_read_data(midi) == midi->ack)
110 if (!ok && ca_midi_read_data(midi) == midi->ack)
115 spin_unlock_irqrestore(&midi->input_lock, flags);
119 midi->get_dev_id_port(midi->dev_id),
120 ca_midi_read_stat(midi),
121 ca_midi_read_data(midi));
126 struct snd_ca_midi *midi = substream->rmidi->private_data;
129 snd_assert(midi->dev_id, return -ENXIO);
130 spin_lock_irqsave(&midi->open_lock, flags);
131 midi->midi_mode |= CA_MIDI_MODE_INPUT;
132 midi->substream_input = substream;
133 if (!(midi->midi_mode & CA_MIDI_MODE_OUTPUT)) {
134 spin_unlock_irqrestore(&midi->open_lock, flags);
135 ca_midi_cmd(midi, midi->reset, 1);
136 ca_midi_cmd(midi, midi->enter_uart, 1);
138 spin_unlock_irqrestore(&midi->open_lock, flags);
145 struct snd_ca_midi *midi = substream->rmidi->private_data;
148 snd_assert(midi->dev_id, return -ENXIO);
149 spin_lock_irqsave(&midi->open_lock, flags);
150 midi->midi_mode |= CA_MIDI_MODE_OUTPUT;
151 midi->substream_output = substream;
152 if (!(midi->midi_mode & CA_MIDI_MODE_INPUT)) {
153 spin_unlock_irqrestore(&midi->open_lock, flags);
154 ca_midi_cmd(midi, midi->reset, 1);
155 ca_midi_cmd(midi, midi->enter_uart, 1);
157 spin_unlock_irqrestore(&midi->open_lock, flags);
164 struct snd_ca_midi *midi = substream->rmidi->private_data;
167 snd_assert(midi->dev_id, return -ENXIO);
168 spin_lock_irqsave(&midi->open_lock, flags);
169 midi->interrupt_disable(midi,midi->rx_enable);
170 midi->midi_mode &= ~CA_MIDI_MODE_INPUT;
171 midi->substream_input = NULL;
172 if (!(midi->midi_mode & CA_MIDI_MODE_OUTPUT)) {
173 spin_unlock_irqrestore(&midi->open_lock, flags);
174 ca_midi_cmd(midi, midi->reset, 0);
176 spin_unlock_irqrestore(&midi->open_lock, flags);
183 struct snd_ca_midi *midi = substream->rmidi->private_data;
185 snd_assert(midi->dev_id, return -ENXIO);
187 spin_lock_irqsave(&midi->open_lock, flags);
189 midi->interrupt_disable(midi,midi->tx_enable);
190 midi->midi_mode &= ~CA_MIDI_MODE_OUTPUT;
191 midi->substream_output = NULL;
193 if (!(midi->midi_mode & CA_MIDI_MODE_INPUT)) {
194 spin_unlock_irqrestore(&midi->open_lock, flags);
195 ca_midi_cmd(midi, midi->reset, 0);
197 spin_unlock_irqrestore(&midi->open_lock, flags);
204 struct snd_ca_midi *midi = substream->rmidi->private_data;
205 snd_assert(midi->dev_id, return);
208 midi->interrupt_enable(midi,midi->rx_enable);
210 midi->interrupt_disable(midi, midi->rx_enable);
216 struct snd_ca_midi *midi = substream->rmidi->private_data;
219 snd_assert(midi->dev_id, return);
225 spin_lock_irqsave(&midi->output_lock, flags);
229 if (ca_midi_output_ready(midi)) {
230 if (!(midi->midi_mode & CA_MIDI_MODE_OUTPUT) ||
233 spin_unlock_irqrestore(&midi->output_lock, flags);
236 ca_midi_write_data(midi, byte);
243 spin_unlock_irqrestore(&midi->output_lock, flags);
244 midi->interrupt_enable(midi,midi->tx_enable);
247 midi->interrupt_disable(midi,midi->tx_enable);
265 static void ca_midi_free(struct snd_ca_midi *midi)
267 midi->interrupt = NULL;
268 midi->interrupt_enable = NULL;
269 midi->interrupt_disable = NULL;
270 midi->read = NULL;
271 midi->write = NULL;
272 midi->get_dev_id_card = NULL;
273 midi->get_dev_id_port = NULL;
274 midi->rmidi = NULL;
282 int __devinit ca_midi_init(void *dev_id, struct snd_ca_midi *midi, int device, char *name)
287 if ((err = snd_rawmidi_new(midi->get_dev_id_card(midi->dev_id), name, device, 1, 1, &rmidi)) < 0)
290 midi->dev_id = dev_id;
291 midi->interrupt = ca_midi_interrupt;
293 spin_lock_init(&midi->open_lock);
294 spin_lock_init(&midi->input_lock);
295 spin_lock_init(&midi->output_lock);
303 rmidi->private_data = midi;
306 midi->rmidi = rmidi;