Takashi Sakamoto | 9fbfd38 | 2015-10-11 12:30:16 +0900 | [diff] [blame] | 1 | /* |
| 2 | * digi00x-midi.h - a part of driver for Digidesign Digi 002/003 family |
| 3 | * |
| 4 | * Copyright (c) 2014-2015 Takashi Sakamoto |
| 5 | * |
| 6 | * Licensed under the terms of the GNU General Public License, version 2. |
| 7 | */ |
| 8 | |
| 9 | #include "digi00x.h" |
| 10 | |
Takashi Sakamoto | 5918f96 | 2015-10-31 02:43:14 +0900 | [diff] [blame] | 11 | static int midi_phys_open(struct snd_rawmidi_substream *substream) |
Takashi Sakamoto | 9fbfd38 | 2015-10-11 12:30:16 +0900 | [diff] [blame] | 12 | { |
| 13 | struct snd_dg00x *dg00x = substream->rmidi->private_data; |
| 14 | int err; |
| 15 | |
| 16 | err = snd_dg00x_stream_lock_try(dg00x); |
| 17 | if (err < 0) |
| 18 | return err; |
| 19 | |
| 20 | mutex_lock(&dg00x->mutex); |
| 21 | dg00x->substreams_counter++; |
| 22 | err = snd_dg00x_stream_start_duplex(dg00x, 0); |
| 23 | mutex_unlock(&dg00x->mutex); |
| 24 | if (err < 0) |
| 25 | snd_dg00x_stream_lock_release(dg00x); |
| 26 | |
| 27 | return err; |
| 28 | } |
| 29 | |
Takashi Sakamoto | 5918f96 | 2015-10-31 02:43:14 +0900 | [diff] [blame] | 30 | static int midi_phys_close(struct snd_rawmidi_substream *substream) |
Takashi Sakamoto | 9fbfd38 | 2015-10-11 12:30:16 +0900 | [diff] [blame] | 31 | { |
| 32 | struct snd_dg00x *dg00x = substream->rmidi->private_data; |
| 33 | |
| 34 | mutex_lock(&dg00x->mutex); |
| 35 | dg00x->substreams_counter--; |
| 36 | snd_dg00x_stream_stop_duplex(dg00x); |
| 37 | mutex_unlock(&dg00x->mutex); |
| 38 | |
| 39 | snd_dg00x_stream_lock_release(dg00x); |
| 40 | return 0; |
| 41 | } |
| 42 | |
Takashi Sakamoto | 5918f96 | 2015-10-31 02:43:14 +0900 | [diff] [blame] | 43 | static void midi_phys_capture_trigger(struct snd_rawmidi_substream *substream, |
| 44 | int up) |
Takashi Sakamoto | 9fbfd38 | 2015-10-11 12:30:16 +0900 | [diff] [blame] | 45 | { |
Takashi Sakamoto | 5918f96 | 2015-10-31 02:43:14 +0900 | [diff] [blame] | 46 | struct snd_dg00x *dg00x = substream->rmidi->private_data; |
Takashi Sakamoto | 9fbfd38 | 2015-10-11 12:30:16 +0900 | [diff] [blame] | 47 | unsigned long flags; |
| 48 | |
| 49 | spin_lock_irqsave(&dg00x->lock, flags); |
| 50 | |
Takashi Sakamoto | d1482fb | 2015-10-31 02:43:16 +0900 | [diff] [blame] | 51 | if (up) |
| 52 | amdtp_dot_midi_trigger(&dg00x->tx_stream, substream->number, |
| 53 | substream); |
| 54 | else |
| 55 | amdtp_dot_midi_trigger(&dg00x->tx_stream, substream->number, |
| 56 | NULL); |
Takashi Sakamoto | 9fbfd38 | 2015-10-11 12:30:16 +0900 | [diff] [blame] | 57 | |
| 58 | spin_unlock_irqrestore(&dg00x->lock, flags); |
| 59 | } |
| 60 | |
Takashi Sakamoto | 5918f96 | 2015-10-31 02:43:14 +0900 | [diff] [blame] | 61 | static void midi_phys_playback_trigger(struct snd_rawmidi_substream *substream, |
| 62 | int up) |
Takashi Sakamoto | 9fbfd38 | 2015-10-11 12:30:16 +0900 | [diff] [blame] | 63 | { |
Takashi Sakamoto | 5918f96 | 2015-10-31 02:43:14 +0900 | [diff] [blame] | 64 | struct snd_dg00x *dg00x = substream->rmidi->private_data; |
Takashi Sakamoto | 9fbfd38 | 2015-10-11 12:30:16 +0900 | [diff] [blame] | 65 | unsigned long flags; |
| 66 | |
| 67 | spin_lock_irqsave(&dg00x->lock, flags); |
| 68 | |
Takashi Sakamoto | d1482fb | 2015-10-31 02:43:16 +0900 | [diff] [blame] | 69 | if (up) |
| 70 | amdtp_dot_midi_trigger(&dg00x->rx_stream, substream->number, |
| 71 | substream); |
| 72 | else |
| 73 | amdtp_dot_midi_trigger(&dg00x->rx_stream, substream->number, |
| 74 | NULL); |
Takashi Sakamoto | 9fbfd38 | 2015-10-11 12:30:16 +0900 | [diff] [blame] | 75 | |
| 76 | spin_unlock_irqrestore(&dg00x->lock, flags); |
| 77 | } |
| 78 | |
Takashi Sakamoto | 5918f96 | 2015-10-31 02:43:14 +0900 | [diff] [blame] | 79 | static struct snd_rawmidi_ops midi_phys_capture_ops = { |
| 80 | .open = midi_phys_open, |
| 81 | .close = midi_phys_close, |
| 82 | .trigger = midi_phys_capture_trigger, |
Takashi Sakamoto | 9fbfd38 | 2015-10-11 12:30:16 +0900 | [diff] [blame] | 83 | }; |
| 84 | |
Takashi Sakamoto | 5918f96 | 2015-10-31 02:43:14 +0900 | [diff] [blame] | 85 | static struct snd_rawmidi_ops midi_phys_playback_ops = { |
| 86 | .open = midi_phys_open, |
| 87 | .close = midi_phys_close, |
| 88 | .trigger = midi_phys_playback_trigger, |
Takashi Sakamoto | 9fbfd38 | 2015-10-11 12:30:16 +0900 | [diff] [blame] | 89 | }; |
| 90 | |
Takashi Sakamoto | c5fcee0 | 2015-10-31 02:43:15 +0900 | [diff] [blame] | 91 | static int midi_ctl_open(struct snd_rawmidi_substream *substream) |
| 92 | { |
| 93 | /* Do nothing. */ |
| 94 | return 0; |
| 95 | } |
| 96 | |
| 97 | static int midi_ctl_capture_close(struct snd_rawmidi_substream *substream) |
| 98 | { |
| 99 | /* Do nothing. */ |
| 100 | return 0; |
| 101 | } |
| 102 | |
| 103 | static int midi_ctl_playback_close(struct snd_rawmidi_substream *substream) |
| 104 | { |
| 105 | struct snd_dg00x *dg00x = substream->rmidi->private_data; |
| 106 | |
| 107 | snd_fw_async_midi_port_finish(&dg00x->out_control); |
| 108 | |
| 109 | return 0; |
| 110 | } |
| 111 | |
| 112 | static void midi_ctl_capture_trigger(struct snd_rawmidi_substream *substream, |
| 113 | int up) |
| 114 | { |
| 115 | struct snd_dg00x *dg00x = substream->rmidi->private_data; |
| 116 | unsigned long flags; |
| 117 | |
| 118 | spin_lock_irqsave(&dg00x->lock, flags); |
| 119 | |
| 120 | if (up) |
| 121 | dg00x->in_control = substream; |
| 122 | else |
| 123 | dg00x->in_control = NULL; |
| 124 | |
| 125 | spin_unlock_irqrestore(&dg00x->lock, flags); |
| 126 | } |
| 127 | |
| 128 | static void midi_ctl_playback_trigger(struct snd_rawmidi_substream *substream, |
| 129 | int up) |
| 130 | { |
| 131 | struct snd_dg00x *dg00x = substream->rmidi->private_data; |
| 132 | unsigned long flags; |
| 133 | |
| 134 | spin_lock_irqsave(&dg00x->lock, flags); |
| 135 | |
| 136 | if (up) |
| 137 | snd_fw_async_midi_port_run(&dg00x->out_control, substream); |
| 138 | |
| 139 | spin_unlock_irqrestore(&dg00x->lock, flags); |
| 140 | } |
| 141 | |
| 142 | static struct snd_rawmidi_ops midi_ctl_capture_ops = { |
| 143 | .open = midi_ctl_open, |
| 144 | .close = midi_ctl_capture_close, |
| 145 | .trigger = midi_ctl_capture_trigger, |
| 146 | }; |
| 147 | |
| 148 | static struct snd_rawmidi_ops midi_ctl_playback_ops = { |
| 149 | .open = midi_ctl_open, |
| 150 | .close = midi_ctl_playback_close, |
| 151 | .trigger = midi_ctl_playback_trigger, |
| 152 | }; |
| 153 | |
Takashi Sakamoto | 9fbfd38 | 2015-10-11 12:30:16 +0900 | [diff] [blame] | 154 | static void set_midi_substream_names(struct snd_dg00x *dg00x, |
Takashi Sakamoto | d1482fb | 2015-10-31 02:43:16 +0900 | [diff] [blame] | 155 | struct snd_rawmidi_str *str, |
| 156 | bool is_ctl) |
Takashi Sakamoto | 9fbfd38 | 2015-10-11 12:30:16 +0900 | [diff] [blame] | 157 | { |
| 158 | struct snd_rawmidi_substream *subs; |
| 159 | |
| 160 | list_for_each_entry(subs, &str->substreams, list) { |
Takashi Sakamoto | d1482fb | 2015-10-31 02:43:16 +0900 | [diff] [blame] | 161 | if (!is_ctl) |
Takashi Sakamoto | e8bd577 | 2015-10-11 12:30:19 +0900 | [diff] [blame] | 162 | snprintf(subs->name, sizeof(subs->name), |
| 163 | "%s MIDI %d", |
Takashi Sakamoto | d1482fb | 2015-10-31 02:43:16 +0900 | [diff] [blame] | 164 | dg00x->card->shortname, subs->number + 1); |
Takashi Sakamoto | e8bd577 | 2015-10-11 12:30:19 +0900 | [diff] [blame] | 165 | else |
| 166 | /* This port is for asynchronous transaction. */ |
| 167 | snprintf(subs->name, sizeof(subs->name), |
| 168 | "%s control", |
| 169 | dg00x->card->shortname); |
Takashi Sakamoto | 9fbfd38 | 2015-10-11 12:30:16 +0900 | [diff] [blame] | 170 | } |
| 171 | } |
| 172 | |
| 173 | int snd_dg00x_create_midi_devices(struct snd_dg00x *dg00x) |
| 174 | { |
Takashi Sakamoto | d1482fb | 2015-10-31 02:43:16 +0900 | [diff] [blame] | 175 | struct snd_rawmidi *rmidi[2]; |
Takashi Sakamoto | 9fbfd38 | 2015-10-11 12:30:16 +0900 | [diff] [blame] | 176 | struct snd_rawmidi_str *str; |
Takashi Sakamoto | d1482fb | 2015-10-31 02:43:16 +0900 | [diff] [blame] | 177 | unsigned int i; |
Takashi Sakamoto | 9fbfd38 | 2015-10-11 12:30:16 +0900 | [diff] [blame] | 178 | int err; |
| 179 | |
Takashi Sakamoto | d1482fb | 2015-10-31 02:43:16 +0900 | [diff] [blame] | 180 | /* Add physical midi ports. */ |
Takashi Sakamoto | 9fbfd38 | 2015-10-11 12:30:16 +0900 | [diff] [blame] | 181 | err = snd_rawmidi_new(dg00x->card, dg00x->card->driver, 0, |
Takashi Sakamoto | d1482fb | 2015-10-31 02:43:16 +0900 | [diff] [blame] | 182 | DOT_MIDI_OUT_PORTS, DOT_MIDI_IN_PORTS, &rmidi[0]); |
Takashi Sakamoto | 9fbfd38 | 2015-10-11 12:30:16 +0900 | [diff] [blame] | 183 | if (err < 0) |
| 184 | return err; |
| 185 | |
Takashi Sakamoto | d1482fb | 2015-10-31 02:43:16 +0900 | [diff] [blame] | 186 | snprintf(rmidi[0]->name, sizeof(rmidi[0]->name), |
Takashi Sakamoto | 9fbfd38 | 2015-10-11 12:30:16 +0900 | [diff] [blame] | 187 | "%s MIDI", dg00x->card->shortname); |
Takashi Sakamoto | 9fbfd38 | 2015-10-11 12:30:16 +0900 | [diff] [blame] | 188 | |
Takashi Sakamoto | d1482fb | 2015-10-31 02:43:16 +0900 | [diff] [blame] | 189 | snd_rawmidi_set_ops(rmidi[0], SNDRV_RAWMIDI_STREAM_INPUT, |
Takashi Sakamoto | 5918f96 | 2015-10-31 02:43:14 +0900 | [diff] [blame] | 190 | &midi_phys_capture_ops); |
Takashi Sakamoto | d1482fb | 2015-10-31 02:43:16 +0900 | [diff] [blame] | 191 | snd_rawmidi_set_ops(rmidi[0], SNDRV_RAWMIDI_STREAM_OUTPUT, |
Takashi Sakamoto | 5918f96 | 2015-10-31 02:43:14 +0900 | [diff] [blame] | 192 | &midi_phys_playback_ops); |
Takashi Sakamoto | 9fbfd38 | 2015-10-11 12:30:16 +0900 | [diff] [blame] | 193 | |
Takashi Sakamoto | d1482fb | 2015-10-31 02:43:16 +0900 | [diff] [blame] | 194 | /* Add a pair of control midi ports. */ |
| 195 | err = snd_rawmidi_new(dg00x->card, dg00x->card->driver, 1, |
| 196 | 1, 1, &rmidi[1]); |
| 197 | if (err < 0) |
| 198 | return err; |
| 199 | |
| 200 | snprintf(rmidi[1]->name, sizeof(rmidi[1]->name), |
| 201 | "%s control", dg00x->card->shortname); |
| 202 | |
| 203 | snd_rawmidi_set_ops(rmidi[1], SNDRV_RAWMIDI_STREAM_INPUT, |
| 204 | &midi_ctl_capture_ops); |
| 205 | snd_rawmidi_set_ops(rmidi[1], SNDRV_RAWMIDI_STREAM_OUTPUT, |
| 206 | &midi_ctl_playback_ops); |
| 207 | |
| 208 | for (i = 0; i < ARRAY_SIZE(rmidi); i++) { |
| 209 | rmidi[i]->private_data = dg00x; |
| 210 | |
| 211 | rmidi[i]->info_flags |= SNDRV_RAWMIDI_INFO_INPUT; |
| 212 | str = &rmidi[i]->streams[SNDRV_RAWMIDI_STREAM_INPUT]; |
| 213 | set_midi_substream_names(dg00x, str, i); |
| 214 | |
| 215 | rmidi[i]->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT; |
| 216 | str = &rmidi[i]->streams[SNDRV_RAWMIDI_STREAM_OUTPUT]; |
| 217 | set_midi_substream_names(dg00x, str, i); |
| 218 | |
| 219 | rmidi[i]->info_flags |= SNDRV_RAWMIDI_INFO_DUPLEX; |
| 220 | } |
Takashi Sakamoto | 9fbfd38 | 2015-10-11 12:30:16 +0900 | [diff] [blame] | 221 | |
| 222 | return 0; |
| 223 | } |