Lines Matching refs:midi
20 #define ca_midi_write_data(midi, data) midi->write(midi, data, 0)
21 #define ca_midi_write_cmd(midi, data) midi->write(midi, data, 1)
22 #define ca_midi_read_data(midi) midi->read(midi, 0)
23 #define ca_midi_read_stat(midi) midi->read(midi, 1)
24 #define ca_midi_input_avail(midi) (!(ca_midi_read_stat(midi) & midi->input_avail))
25 #define ca_midi_output_ready(midi) (!(ca_midi_read_stat(midi) & midi->output_ready))
27 static void ca_midi_clear_rx(struct snd_ca_midi *midi)
30 for (; timeout > 0 && ca_midi_input_avail(midi); timeout--)
31 ca_midi_read_data(midi);
35 ca_midi_read_stat(midi));
39 static void ca_midi_interrupt(struct snd_ca_midi *midi, unsigned int status)
43 if (midi->rmidi == NULL) {
44 midi->interrupt_disable(midi,midi->tx_enable | midi->rx_enable);
48 spin_lock(&midi->input_lock);
49 if ((status & midi->ipr_rx) && ca_midi_input_avail(midi)) {
50 if (!(midi->midi_mode & CA_MIDI_MODE_INPUT)) {
51 ca_midi_clear_rx(midi);
53 byte = ca_midi_read_data(midi);
54 if(midi->substream_input)
55 snd_rawmidi_receive(midi->substream_input, &byte, 1);
60 spin_unlock(&midi->input_lock);
62 spin_lock(&midi->output_lock);
63 if ((status & midi->ipr_tx) && ca_midi_output_ready(midi)) {
64 if (midi->substream_output &&
65 snd_rawmidi_transmit(midi->substream_output, &byte, 1) == 1) {
66 ca_midi_write_data(midi, byte);
68 midi->interrupt_disable(midi,midi->tx_enable);
71 spin_unlock(&midi->output_lock);
75 static void ca_midi_cmd(struct snd_ca_midi *midi, unsigned char cmd, int ack)
80 spin_lock_irqsave(&midi->input_lock, flags);
81 ca_midi_write_data(midi, 0x00);
82 /* ca_midi_clear_rx(midi); */
84 ca_midi_write_cmd(midi, cmd);
89 if (ca_midi_input_avail(midi)) {
90 if (ca_midi_read_data(midi) == midi->ack)
94 if (!ok && ca_midi_read_data(midi) == midi->ack)
99 spin_unlock_irqrestore(&midi->input_lock, flags);
103 midi->get_dev_id_port(midi->dev_id),
104 ca_midi_read_stat(midi),
105 ca_midi_read_data(midi));
110 struct snd_ca_midi *midi = substream->rmidi->private_data;
113 if (snd_BUG_ON(!midi->dev_id))
115 spin_lock_irqsave(&midi->open_lock, flags);
116 midi->midi_mode |= CA_MIDI_MODE_INPUT;
117 midi->substream_input = substream;
118 if (!(midi->midi_mode & CA_MIDI_MODE_OUTPUT)) {
119 spin_unlock_irqrestore(&midi->open_lock, flags);
120 ca_midi_cmd(midi, midi->reset, 1);
121 ca_midi_cmd(midi, midi->enter_uart, 1);
123 spin_unlock_irqrestore(&midi->open_lock, flags);
130 struct snd_ca_midi *midi = substream->rmidi->private_data;
133 if (snd_BUG_ON(!midi->dev_id))
135 spin_lock_irqsave(&midi->open_lock, flags);
136 midi->midi_mode |= CA_MIDI_MODE_OUTPUT;
137 midi->substream_output = substream;
138 if (!(midi->midi_mode & CA_MIDI_MODE_INPUT)) {
139 spin_unlock_irqrestore(&midi->open_lock, flags);
140 ca_midi_cmd(midi, midi->reset, 1);
141 ca_midi_cmd(midi, midi->enter_uart, 1);
143 spin_unlock_irqrestore(&midi->open_lock, flags);
150 struct snd_ca_midi *midi = substream->rmidi->private_data;
153 if (snd_BUG_ON(!midi->dev_id))
155 spin_lock_irqsave(&midi->open_lock, flags);
156 midi->interrupt_disable(midi,midi->rx_enable);
157 midi->midi_mode &= ~CA_MIDI_MODE_INPUT;
158 midi->substream_input = NULL;
159 if (!(midi->midi_mode & CA_MIDI_MODE_OUTPUT)) {
160 spin_unlock_irqrestore(&midi->open_lock, flags);
161 ca_midi_cmd(midi, midi->reset, 0);
163 spin_unlock_irqrestore(&midi->open_lock, flags);
170 struct snd_ca_midi *midi = substream->rmidi->private_data;
173 if (snd_BUG_ON(!midi->dev_id))
176 spin_lock_irqsave(&midi->open_lock, flags);
178 midi->interrupt_disable(midi,midi->tx_enable);
179 midi->midi_mode &= ~CA_MIDI_MODE_OUTPUT;
180 midi->substream_output = NULL;
182 if (!(midi->midi_mode & CA_MIDI_MODE_INPUT)) {
183 spin_unlock_irqrestore(&midi->open_lock, flags);
184 ca_midi_cmd(midi, midi->reset, 0);
186 spin_unlock_irqrestore(&midi->open_lock, flags);
193 struct snd_ca_midi *midi = substream->rmidi->private_data;
195 if (snd_BUG_ON(!midi->dev_id))
199 midi->interrupt_enable(midi,midi->rx_enable);
201 midi->interrupt_disable(midi, midi->rx_enable);
207 struct snd_ca_midi *midi = substream->rmidi->private_data;
210 if (snd_BUG_ON(!midi->dev_id))
217 spin_lock_irqsave(&midi->output_lock, flags);
221 if (ca_midi_output_ready(midi)) {
222 if (!(midi->midi_mode & CA_MIDI_MODE_OUTPUT) ||
225 spin_unlock_irqrestore(&midi->output_lock, flags);
228 ca_midi_write_data(midi, byte);
235 spin_unlock_irqrestore(&midi->output_lock, flags);
236 midi->interrupt_enable(midi,midi->tx_enable);
239 midi->interrupt_disable(midi,midi->tx_enable);
257 static void ca_midi_free(struct snd_ca_midi *midi)
259 midi->interrupt = NULL;
260 midi->interrupt_enable = NULL;
261 midi->interrupt_disable = NULL;
262 midi->read = NULL;
263 midi->write = NULL;
264 midi->get_dev_id_card = NULL;
265 midi->get_dev_id_port = NULL;
266 midi->rmidi = NULL;
274 int ca_midi_init(void *dev_id, struct snd_ca_midi *midi, int device, char *name)
279 err = snd_rawmidi_new(midi->get_dev_id_card(midi->dev_id), name, device, 1, 1, &rmidi);
283 midi->dev_id = dev_id;
284 midi->interrupt = ca_midi_interrupt;
286 spin_lock_init(&midi->open_lock);
287 spin_lock_init(&midi->input_lock);
288 spin_lock_init(&midi->output_lock);
296 rmidi->private_data = midi;
299 midi->rmidi = rmidi;