Root/
1 | /* |
2 | * MOTU Midi Timepiece ALSA Main routines |
3 | * Copyright by Michael T. Mayers (c) Jan 09, 2000 |
4 | * mail: michael@tweakoz.com |
5 | * Thanks to John Galbraith |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify |
8 | * it under the terms of the GNU General Public License as published by |
9 | * the Free Software Foundation; either version 2 of the License, or |
10 | * (at your option) any later version. |
11 | * |
12 | * This program is distributed in the hope that it will be useful, |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * GNU General Public License for more details. |
16 | * |
17 | * You should have received a copy of the GNU General Public License |
18 | * along with this program; if not, write to the Free Software |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
20 | * |
21 | * |
22 | * This driver is for the 'Mark Of The Unicorn' (MOTU) |
23 | * MidiTimePiece AV multiport MIDI interface |
24 | * |
25 | * IOPORTS |
26 | * ------- |
27 | * 8 MIDI Ins and 8 MIDI outs |
28 | * Video Sync In (BNC), Word Sync Out (BNC), |
29 | * ADAT Sync Out (DB9) |
30 | * SMPTE in/out (1/4") |
31 | * 2 programmable pedal/footswitch inputs and 4 programmable MIDI controller knobs. |
32 | * Macintosh RS422 serial port |
33 | * RS422 "network" port for ganging multiple MTP's |
34 | * PC Parallel Port ( which this driver currently uses ) |
35 | * |
36 | * MISC FEATURES |
37 | * ------------- |
38 | * Hardware MIDI routing, merging, and filtering |
39 | * MIDI Synchronization to Video, ADAT, SMPTE and other Clock sources |
40 | * 128 'scene' memories, recallable from MIDI program change |
41 | * |
42 | * |
43 | * ChangeLog |
44 | * Jun 11 2001 Takashi Iwai <tiwai@suse.de> |
45 | * - Recoded & debugged |
46 | * - Added timer interrupt for midi outputs |
47 | * - hwports is between 1 and 8, which specifies the number of hardware ports. |
48 | * The three global ports, computer, adat and broadcast ports, are created |
49 | * always after h/w and remote ports. |
50 | * |
51 | */ |
52 | |
53 | #include <linux/init.h> |
54 | #include <linux/interrupt.h> |
55 | #include <linux/err.h> |
56 | #include <linux/platform_device.h> |
57 | #include <linux/ioport.h> |
58 | #include <linux/io.h> |
59 | #include <linux/moduleparam.h> |
60 | #include <sound/core.h> |
61 | #include <sound/initval.h> |
62 | #include <sound/rawmidi.h> |
63 | #include <linux/delay.h> |
64 | |
65 | /* |
66 | * globals |
67 | */ |
68 | MODULE_AUTHOR("Michael T. Mayers"); |
69 | MODULE_DESCRIPTION("MOTU MidiTimePiece AV multiport MIDI"); |
70 | MODULE_LICENSE("GPL"); |
71 | MODULE_SUPPORTED_DEVICE("{{MOTU,MidiTimePiece AV multiport MIDI}}"); |
72 | |
73 | // io resources |
74 | #define MTPAV_IOBASE 0x378 |
75 | #define MTPAV_IRQ 7 |
76 | #define MTPAV_MAX_PORTS 8 |
77 | |
78 | static int index = SNDRV_DEFAULT_IDX1; |
79 | static char *id = SNDRV_DEFAULT_STR1; |
80 | static long port = MTPAV_IOBASE; /* 0x378, 0x278 */ |
81 | static int irq = MTPAV_IRQ; /* 7, 5 */ |
82 | static int hwports = MTPAV_MAX_PORTS; /* use hardware ports 1-8 */ |
83 | |
84 | module_param(index, int, 0444); |
85 | MODULE_PARM_DESC(index, "Index value for MotuMTPAV MIDI."); |
86 | module_param(id, charp, 0444); |
87 | MODULE_PARM_DESC(id, "ID string for MotuMTPAV MIDI."); |
88 | module_param(port, long, 0444); |
89 | MODULE_PARM_DESC(port, "Parallel port # for MotuMTPAV MIDI."); |
90 | module_param(irq, int, 0444); |
91 | MODULE_PARM_DESC(irq, "Parallel IRQ # for MotuMTPAV MIDI."); |
92 | module_param(hwports, int, 0444); |
93 | MODULE_PARM_DESC(hwports, "Hardware ports # for MotuMTPAV MIDI."); |
94 | |
95 | static struct platform_device *device; |
96 | |
97 | /* |
98 | * defines |
99 | */ |
100 | //#define USE_FAKE_MTP // don't actually read/write to MTP device (for debugging without an actual unit) (does not work yet) |
101 | |
102 | // parallel port usage masks |
103 | #define SIGS_BYTE 0x08 |
104 | #define SIGS_RFD 0x80 |
105 | #define SIGS_IRQ 0x40 |
106 | #define SIGS_IN0 0x10 |
107 | #define SIGS_IN1 0x20 |
108 | |
109 | #define SIGC_WRITE 0x04 |
110 | #define SIGC_READ 0x08 |
111 | #define SIGC_INTEN 0x10 |
112 | |
113 | #define DREG 0 |
114 | #define SREG 1 |
115 | #define CREG 2 |
116 | |
117 | // |
118 | #define MTPAV_MODE_INPUT_OPENED 0x01 |
119 | #define MTPAV_MODE_OUTPUT_OPENED 0x02 |
120 | #define MTPAV_MODE_INPUT_TRIGGERED 0x04 |
121 | #define MTPAV_MODE_OUTPUT_TRIGGERED 0x08 |
122 | |
123 | #define NUMPORTS (0x12+1) |
124 | |
125 | |
126 | /* |
127 | */ |
128 | |
129 | struct mtpav_port { |
130 | u8 number; |
131 | u8 hwport; |
132 | u8 mode; |
133 | u8 running_status; |
134 | struct snd_rawmidi_substream *input; |
135 | struct snd_rawmidi_substream *output; |
136 | }; |
137 | |
138 | struct mtpav { |
139 | struct snd_card *card; |
140 | unsigned long port; |
141 | struct resource *res_port; |
142 | int irq; /* interrupt (for inputs) */ |
143 | spinlock_t spinlock; |
144 | int share_irq; /* number of accesses to input interrupts */ |
145 | int istimer; /* number of accesses to timer interrupts */ |
146 | struct timer_list timer; /* timer interrupts for outputs */ |
147 | struct snd_rawmidi *rmidi; |
148 | int num_ports; /* number of hw ports (1-8) */ |
149 | struct mtpav_port ports[NUMPORTS]; /* all ports including computer, adat and bc */ |
150 | |
151 | u32 inmidiport; /* selected input midi port */ |
152 | u32 inmidistate; /* during midi command 0xf5 */ |
153 | |
154 | u32 outmidihwport; /* selected output midi hw port */ |
155 | }; |
156 | |
157 | |
158 | /* |
159 | * possible hardware ports (selected by 0xf5 port message) |
160 | * 0x00 all ports |
161 | * 0x01 .. 0x08 this MTP's ports 1..8 |
162 | * 0x09 .. 0x10 networked MTP's ports (9..16) |
163 | * 0x11 networked MTP's computer port |
164 | * 0x63 to ADAT |
165 | * |
166 | * mappig: |
167 | * subdevice 0 - (X-1) ports |
168 | * X - (2*X-1) networked ports |
169 | * X computer |
170 | * X+1 ADAT |
171 | * X+2 all ports |
172 | * |
173 | * where X = chip->num_ports |
174 | */ |
175 | |
176 | #define MTPAV_PIDX_COMPUTER 0 |
177 | #define MTPAV_PIDX_ADAT 1 |
178 | #define MTPAV_PIDX_BROADCAST 2 |
179 | |
180 | |
181 | static int translate_subdevice_to_hwport(struct mtpav *chip, int subdev) |
182 | { |
183 | if (subdev < 0) |
184 | return 0x01; /* invalid - use port 0 as default */ |
185 | else if (subdev < chip->num_ports) |
186 | return subdev + 1; /* single mtp port */ |
187 | else if (subdev < chip->num_ports * 2) |
188 | return subdev - chip->num_ports + 0x09; /* remote port */ |
189 | else if (subdev == chip->num_ports * 2 + MTPAV_PIDX_COMPUTER) |
190 | return 0x11; /* computer port */ |
191 | else if (subdev == chip->num_ports + MTPAV_PIDX_ADAT) |
192 | return 0x63; /* ADAT */ |
193 | return 0; /* all ports */ |
194 | } |
195 | |
196 | static int translate_hwport_to_subdevice(struct mtpav *chip, int hwport) |
197 | { |
198 | int p; |
199 | if (hwport <= 0x00) /* all ports */ |
200 | return chip->num_ports + MTPAV_PIDX_BROADCAST; |
201 | else if (hwport <= 0x08) { /* single port */ |
202 | p = hwport - 1; |
203 | if (p >= chip->num_ports) |
204 | p = 0; |
205 | return p; |
206 | } else if (hwport <= 0x10) { /* remote port */ |
207 | p = hwport - 0x09 + chip->num_ports; |
208 | if (p >= chip->num_ports * 2) |
209 | p = chip->num_ports; |
210 | return p; |
211 | } else if (hwport == 0x11) /* computer port */ |
212 | return chip->num_ports + MTPAV_PIDX_COMPUTER; |
213 | else /* ADAT */ |
214 | return chip->num_ports + MTPAV_PIDX_ADAT; |
215 | } |
216 | |
217 | |
218 | /* |
219 | */ |
220 | |
221 | static u8 snd_mtpav_getreg(struct mtpav *chip, u16 reg) |
222 | { |
223 | u8 rval = 0; |
224 | |
225 | if (reg == SREG) { |
226 | rval = inb(chip->port + SREG); |
227 | rval = (rval & 0xf8); |
228 | } else if (reg == CREG) { |
229 | rval = inb(chip->port + CREG); |
230 | rval = (rval & 0x1c); |
231 | } |
232 | |
233 | return rval; |
234 | } |
235 | |
236 | /* |
237 | */ |
238 | |
239 | static inline void snd_mtpav_mputreg(struct mtpav *chip, u16 reg, u8 val) |
240 | { |
241 | if (reg == DREG || reg == CREG) |
242 | outb(val, chip->port + reg); |
243 | } |
244 | |
245 | /* |
246 | */ |
247 | |
248 | static void snd_mtpav_wait_rfdhi(struct mtpav *chip) |
249 | { |
250 | int counts = 10000; |
251 | u8 sbyte; |
252 | |
253 | sbyte = snd_mtpav_getreg(chip, SREG); |
254 | while (!(sbyte & SIGS_RFD) && counts--) { |
255 | sbyte = snd_mtpav_getreg(chip, SREG); |
256 | udelay(10); |
257 | } |
258 | } |
259 | |
260 | static void snd_mtpav_send_byte(struct mtpav *chip, u8 byte) |
261 | { |
262 | u8 tcbyt; |
263 | u8 clrwrite; |
264 | u8 setwrite; |
265 | |
266 | snd_mtpav_wait_rfdhi(chip); |
267 | |
268 | ///////////////// |
269 | |
270 | tcbyt = snd_mtpav_getreg(chip, CREG); |
271 | clrwrite = tcbyt & (SIGC_WRITE ^ 0xff); |
272 | setwrite = tcbyt | SIGC_WRITE; |
273 | |
274 | snd_mtpav_mputreg(chip, DREG, byte); |
275 | snd_mtpav_mputreg(chip, CREG, clrwrite); // clear write bit |
276 | |
277 | snd_mtpav_mputreg(chip, CREG, setwrite); // set write bit |
278 | |
279 | } |
280 | |
281 | |
282 | /* |
283 | */ |
284 | |
285 | /* call this with spin lock held */ |
286 | static void snd_mtpav_output_port_write(struct mtpav *mtp_card, |
287 | struct mtpav_port *portp, |
288 | struct snd_rawmidi_substream *substream) |
289 | { |
290 | u8 outbyte; |
291 | |
292 | // Get the outbyte first, so we can emulate running status if |
293 | // necessary |
294 | if (snd_rawmidi_transmit(substream, &outbyte, 1) != 1) |
295 | return; |
296 | |
297 | // send port change command if necessary |
298 | |
299 | if (portp->hwport != mtp_card->outmidihwport) { |
300 | mtp_card->outmidihwport = portp->hwport; |
301 | |
302 | snd_mtpav_send_byte(mtp_card, 0xf5); |
303 | snd_mtpav_send_byte(mtp_card, portp->hwport); |
304 | /* |
305 | snd_printk(KERN_DEBUG "new outport: 0x%x\n", |
306 | (unsigned int) portp->hwport); |
307 | */ |
308 | if (!(outbyte & 0x80) && portp->running_status) |
309 | snd_mtpav_send_byte(mtp_card, portp->running_status); |
310 | } |
311 | |
312 | // send data |
313 | |
314 | do { |
315 | if (outbyte & 0x80) |
316 | portp->running_status = outbyte; |
317 | |
318 | snd_mtpav_send_byte(mtp_card, outbyte); |
319 | } while (snd_rawmidi_transmit(substream, &outbyte, 1) == 1); |
320 | } |
321 | |
322 | static void snd_mtpav_output_write(struct snd_rawmidi_substream *substream) |
323 | { |
324 | struct mtpav *mtp_card = substream->rmidi->private_data; |
325 | struct mtpav_port *portp = &mtp_card->ports[substream->number]; |
326 | unsigned long flags; |
327 | |
328 | spin_lock_irqsave(&mtp_card->spinlock, flags); |
329 | snd_mtpav_output_port_write(mtp_card, portp, substream); |
330 | spin_unlock_irqrestore(&mtp_card->spinlock, flags); |
331 | } |
332 | |
333 | |
334 | /* |
335 | * mtpav control |
336 | */ |
337 | |
338 | static void snd_mtpav_portscan(struct mtpav *chip) // put mtp into smart routing mode |
339 | { |
340 | u8 p; |
341 | |
342 | for (p = 0; p < 8; p++) { |
343 | snd_mtpav_send_byte(chip, 0xf5); |
344 | snd_mtpav_send_byte(chip, p); |
345 | snd_mtpav_send_byte(chip, 0xfe); |
346 | } |
347 | } |
348 | |
349 | /* |
350 | */ |
351 | |
352 | static int snd_mtpav_input_open(struct snd_rawmidi_substream *substream) |
353 | { |
354 | struct mtpav *mtp_card = substream->rmidi->private_data; |
355 | struct mtpav_port *portp = &mtp_card->ports[substream->number]; |
356 | unsigned long flags; |
357 | |
358 | spin_lock_irqsave(&mtp_card->spinlock, flags); |
359 | portp->mode |= MTPAV_MODE_INPUT_OPENED; |
360 | portp->input = substream; |
361 | if (mtp_card->share_irq++ == 0) |
362 | snd_mtpav_mputreg(mtp_card, CREG, (SIGC_INTEN | SIGC_WRITE)); // enable pport interrupts |
363 | spin_unlock_irqrestore(&mtp_card->spinlock, flags); |
364 | return 0; |
365 | } |
366 | |
367 | /* |
368 | */ |
369 | |
370 | static int snd_mtpav_input_close(struct snd_rawmidi_substream *substream) |
371 | { |
372 | struct mtpav *mtp_card = substream->rmidi->private_data; |
373 | struct mtpav_port *portp = &mtp_card->ports[substream->number]; |
374 | unsigned long flags; |
375 | |
376 | spin_lock_irqsave(&mtp_card->spinlock, flags); |
377 | portp->mode &= ~MTPAV_MODE_INPUT_OPENED; |
378 | portp->input = NULL; |
379 | if (--mtp_card->share_irq == 0) |
380 | snd_mtpav_mputreg(mtp_card, CREG, 0); // disable pport interrupts |
381 | spin_unlock_irqrestore(&mtp_card->spinlock, flags); |
382 | return 0; |
383 | } |
384 | |
385 | /* |
386 | */ |
387 | |
388 | static void snd_mtpav_input_trigger(struct snd_rawmidi_substream *substream, int up) |
389 | { |
390 | struct mtpav *mtp_card = substream->rmidi->private_data; |
391 | struct mtpav_port *portp = &mtp_card->ports[substream->number]; |
392 | unsigned long flags; |
393 | |
394 | spin_lock_irqsave(&mtp_card->spinlock, flags); |
395 | if (up) |
396 | portp->mode |= MTPAV_MODE_INPUT_TRIGGERED; |
397 | else |
398 | portp->mode &= ~MTPAV_MODE_INPUT_TRIGGERED; |
399 | spin_unlock_irqrestore(&mtp_card->spinlock, flags); |
400 | |
401 | } |
402 | |
403 | |
404 | /* |
405 | * timer interrupt for outputs |
406 | */ |
407 | |
408 | static void snd_mtpav_output_timer(unsigned long data) |
409 | { |
410 | unsigned long flags; |
411 | struct mtpav *chip = (struct mtpav *)data; |
412 | int p; |
413 | |
414 | spin_lock_irqsave(&chip->spinlock, flags); |
415 | /* reprogram timer */ |
416 | chip->timer.expires = 1 + jiffies; |
417 | add_timer(&chip->timer); |
418 | /* process each port */ |
419 | for (p = 0; p <= chip->num_ports * 2 + MTPAV_PIDX_BROADCAST; p++) { |
420 | struct mtpav_port *portp = &chip->ports[p]; |
421 | if ((portp->mode & MTPAV_MODE_OUTPUT_TRIGGERED) && portp->output) |
422 | snd_mtpav_output_port_write(chip, portp, portp->output); |
423 | } |
424 | spin_unlock_irqrestore(&chip->spinlock, flags); |
425 | } |
426 | |
427 | /* spinlock held! */ |
428 | static void snd_mtpav_add_output_timer(struct mtpav *chip) |
429 | { |
430 | chip->timer.expires = 1 + jiffies; |
431 | add_timer(&chip->timer); |
432 | } |
433 | |
434 | /* spinlock held! */ |
435 | static void snd_mtpav_remove_output_timer(struct mtpav *chip) |
436 | { |
437 | del_timer(&chip->timer); |
438 | } |
439 | |
440 | /* |
441 | */ |
442 | |
443 | static int snd_mtpav_output_open(struct snd_rawmidi_substream *substream) |
444 | { |
445 | struct mtpav *mtp_card = substream->rmidi->private_data; |
446 | struct mtpav_port *portp = &mtp_card->ports[substream->number]; |
447 | unsigned long flags; |
448 | |
449 | spin_lock_irqsave(&mtp_card->spinlock, flags); |
450 | portp->mode |= MTPAV_MODE_OUTPUT_OPENED; |
451 | portp->output = substream; |
452 | spin_unlock_irqrestore(&mtp_card->spinlock, flags); |
453 | return 0; |
454 | }; |
455 | |
456 | /* |
457 | */ |
458 | |
459 | static int snd_mtpav_output_close(struct snd_rawmidi_substream *substream) |
460 | { |
461 | struct mtpav *mtp_card = substream->rmidi->private_data; |
462 | struct mtpav_port *portp = &mtp_card->ports[substream->number]; |
463 | unsigned long flags; |
464 | |
465 | spin_lock_irqsave(&mtp_card->spinlock, flags); |
466 | portp->mode &= ~MTPAV_MODE_OUTPUT_OPENED; |
467 | portp->output = NULL; |
468 | spin_unlock_irqrestore(&mtp_card->spinlock, flags); |
469 | return 0; |
470 | }; |
471 | |
472 | /* |
473 | */ |
474 | |
475 | static void snd_mtpav_output_trigger(struct snd_rawmidi_substream *substream, int up) |
476 | { |
477 | struct mtpav *mtp_card = substream->rmidi->private_data; |
478 | struct mtpav_port *portp = &mtp_card->ports[substream->number]; |
479 | unsigned long flags; |
480 | |
481 | spin_lock_irqsave(&mtp_card->spinlock, flags); |
482 | if (up) { |
483 | if (! (portp->mode & MTPAV_MODE_OUTPUT_TRIGGERED)) { |
484 | if (mtp_card->istimer++ == 0) |
485 | snd_mtpav_add_output_timer(mtp_card); |
486 | portp->mode |= MTPAV_MODE_OUTPUT_TRIGGERED; |
487 | } |
488 | } else { |
489 | portp->mode &= ~MTPAV_MODE_OUTPUT_TRIGGERED; |
490 | if (--mtp_card->istimer == 0) |
491 | snd_mtpav_remove_output_timer(mtp_card); |
492 | } |
493 | spin_unlock_irqrestore(&mtp_card->spinlock, flags); |
494 | |
495 | if (up) |
496 | snd_mtpav_output_write(substream); |
497 | } |
498 | |
499 | /* |
500 | * midi interrupt for inputs |
501 | */ |
502 | |
503 | static void snd_mtpav_inmidi_process(struct mtpav *mcrd, u8 inbyte) |
504 | { |
505 | struct mtpav_port *portp; |
506 | |
507 | if ((int)mcrd->inmidiport > mcrd->num_ports * 2 + MTPAV_PIDX_BROADCAST) |
508 | return; |
509 | |
510 | portp = &mcrd->ports[mcrd->inmidiport]; |
511 | if (portp->mode & MTPAV_MODE_INPUT_TRIGGERED) |
512 | snd_rawmidi_receive(portp->input, &inbyte, 1); |
513 | } |
514 | |
515 | static void snd_mtpav_inmidi_h(struct mtpav *mcrd, u8 inbyte) |
516 | { |
517 | if (inbyte >= 0xf8) { |
518 | /* real-time midi code */ |
519 | snd_mtpav_inmidi_process(mcrd, inbyte); |
520 | return; |
521 | } |
522 | |
523 | if (mcrd->inmidistate == 0) { // awaiting command |
524 | if (inbyte == 0xf5) // MTP port # |
525 | mcrd->inmidistate = 1; |
526 | else |
527 | snd_mtpav_inmidi_process(mcrd, inbyte); |
528 | } else if (mcrd->inmidistate) { |
529 | mcrd->inmidiport = translate_hwport_to_subdevice(mcrd, inbyte); |
530 | mcrd->inmidistate = 0; |
531 | } |
532 | } |
533 | |
534 | static void snd_mtpav_read_bytes(struct mtpav *mcrd) |
535 | { |
536 | u8 clrread, setread; |
537 | u8 mtp_read_byte; |
538 | u8 sr, cbyt; |
539 | int i; |
540 | |
541 | u8 sbyt = snd_mtpav_getreg(mcrd, SREG); |
542 | |
543 | /* printk(KERN_DEBUG "snd_mtpav_read_bytes() sbyt: 0x%x\n", sbyt); */ |
544 | |
545 | if (!(sbyt & SIGS_BYTE)) |
546 | return; |
547 | |
548 | cbyt = snd_mtpav_getreg(mcrd, CREG); |
549 | clrread = cbyt & (SIGC_READ ^ 0xff); |
550 | setread = cbyt | SIGC_READ; |
551 | |
552 | do { |
553 | |
554 | mtp_read_byte = 0; |
555 | for (i = 0; i < 4; i++) { |
556 | snd_mtpav_mputreg(mcrd, CREG, setread); |
557 | sr = snd_mtpav_getreg(mcrd, SREG); |
558 | snd_mtpav_mputreg(mcrd, CREG, clrread); |
559 | |
560 | sr &= SIGS_IN0 | SIGS_IN1; |
561 | sr >>= 4; |
562 | mtp_read_byte |= sr << (i * 2); |
563 | } |
564 | |
565 | snd_mtpav_inmidi_h(mcrd, mtp_read_byte); |
566 | |
567 | sbyt = snd_mtpav_getreg(mcrd, SREG); |
568 | |
569 | } while (sbyt & SIGS_BYTE); |
570 | } |
571 | |
572 | static irqreturn_t snd_mtpav_irqh(int irq, void *dev_id) |
573 | { |
574 | struct mtpav *mcard = dev_id; |
575 | |
576 | spin_lock(&mcard->spinlock); |
577 | snd_mtpav_read_bytes(mcard); |
578 | spin_unlock(&mcard->spinlock); |
579 | return IRQ_HANDLED; |
580 | } |
581 | |
582 | /* |
583 | * get ISA resources |
584 | */ |
585 | static int __devinit snd_mtpav_get_ISA(struct mtpav * mcard) |
586 | { |
587 | if ((mcard->res_port = request_region(port, 3, "MotuMTPAV MIDI")) == NULL) { |
588 | snd_printk(KERN_ERR "MTVAP port 0x%lx is busy\n", port); |
589 | return -EBUSY; |
590 | } |
591 | mcard->port = port; |
592 | if (request_irq(irq, snd_mtpav_irqh, IRQF_DISABLED, "MOTU MTPAV", mcard)) { |
593 | snd_printk(KERN_ERR "MTVAP IRQ %d busy\n", irq); |
594 | return -EBUSY; |
595 | } |
596 | mcard->irq = irq; |
597 | return 0; |
598 | } |
599 | |
600 | |
601 | /* |
602 | */ |
603 | |
604 | static struct snd_rawmidi_ops snd_mtpav_output = { |
605 | .open = snd_mtpav_output_open, |
606 | .close = snd_mtpav_output_close, |
607 | .trigger = snd_mtpav_output_trigger, |
608 | }; |
609 | |
610 | static struct snd_rawmidi_ops snd_mtpav_input = { |
611 | .open = snd_mtpav_input_open, |
612 | .close = snd_mtpav_input_close, |
613 | .trigger = snd_mtpav_input_trigger, |
614 | }; |
615 | |
616 | |
617 | /* |
618 | * get RAWMIDI resources |
619 | */ |
620 | |
621 | static void __devinit snd_mtpav_set_name(struct mtpav *chip, |
622 | struct snd_rawmidi_substream *substream) |
623 | { |
624 | if (substream->number >= 0 && substream->number < chip->num_ports) |
625 | sprintf(substream->name, "MTP direct %d", (substream->number % chip->num_ports) + 1); |
626 | else if (substream->number >= 8 && substream->number < chip->num_ports * 2) |
627 | sprintf(substream->name, "MTP remote %d", (substream->number % chip->num_ports) + 1); |
628 | else if (substream->number == chip->num_ports * 2) |
629 | strcpy(substream->name, "MTP computer"); |
630 | else if (substream->number == chip->num_ports * 2 + 1) |
631 | strcpy(substream->name, "MTP ADAT"); |
632 | else |
633 | strcpy(substream->name, "MTP broadcast"); |
634 | } |
635 | |
636 | static int __devinit snd_mtpav_get_RAWMIDI(struct mtpav *mcard) |
637 | { |
638 | int rval; |
639 | struct snd_rawmidi *rawmidi; |
640 | struct snd_rawmidi_substream *substream; |
641 | struct list_head *list; |
642 | |
643 | if (hwports < 1) |
644 | hwports = 1; |
645 | else if (hwports > 8) |
646 | hwports = 8; |
647 | mcard->num_ports = hwports; |
648 | |
649 | if ((rval = snd_rawmidi_new(mcard->card, "MotuMIDI", 0, |
650 | mcard->num_ports * 2 + MTPAV_PIDX_BROADCAST + 1, |
651 | mcard->num_ports * 2 + MTPAV_PIDX_BROADCAST + 1, |
652 | &mcard->rmidi)) < 0) |
653 | return rval; |
654 | rawmidi = mcard->rmidi; |
655 | rawmidi->private_data = mcard; |
656 | |
657 | list_for_each(list, &rawmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT].substreams) { |
658 | substream = list_entry(list, struct snd_rawmidi_substream, list); |
659 | snd_mtpav_set_name(mcard, substream); |
660 | substream->ops = &snd_mtpav_input; |
661 | } |
662 | list_for_each(list, &rawmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT].substreams) { |
663 | substream = list_entry(list, struct snd_rawmidi_substream, list); |
664 | snd_mtpav_set_name(mcard, substream); |
665 | substream->ops = &snd_mtpav_output; |
666 | mcard->ports[substream->number].hwport = translate_subdevice_to_hwport(mcard, substream->number); |
667 | } |
668 | rawmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT | SNDRV_RAWMIDI_INFO_INPUT | |
669 | SNDRV_RAWMIDI_INFO_DUPLEX; |
670 | sprintf(rawmidi->name, "MTP AV MIDI"); |
671 | return 0; |
672 | } |
673 | |
674 | /* |
675 | */ |
676 | |
677 | static void snd_mtpav_free(struct snd_card *card) |
678 | { |
679 | struct mtpav *crd = card->private_data; |
680 | unsigned long flags; |
681 | |
682 | spin_lock_irqsave(&crd->spinlock, flags); |
683 | if (crd->istimer > 0) |
684 | snd_mtpav_remove_output_timer(crd); |
685 | spin_unlock_irqrestore(&crd->spinlock, flags); |
686 | if (crd->irq >= 0) |
687 | free_irq(crd->irq, (void *)crd); |
688 | release_and_free_resource(crd->res_port); |
689 | } |
690 | |
691 | /* |
692 | */ |
693 | static int __devinit snd_mtpav_probe(struct platform_device *dev) |
694 | { |
695 | struct snd_card *card; |
696 | int err; |
697 | struct mtpav *mtp_card; |
698 | |
699 | err = snd_card_create(index, id, THIS_MODULE, sizeof(*mtp_card), &card); |
700 | if (err < 0) |
701 | return err; |
702 | |
703 | mtp_card = card->private_data; |
704 | spin_lock_init(&mtp_card->spinlock); |
705 | init_timer(&mtp_card->timer); |
706 | mtp_card->card = card; |
707 | mtp_card->irq = -1; |
708 | mtp_card->share_irq = 0; |
709 | mtp_card->inmidistate = 0; |
710 | mtp_card->outmidihwport = 0xffffffff; |
711 | init_timer(&mtp_card->timer); |
712 | mtp_card->timer.function = snd_mtpav_output_timer; |
713 | mtp_card->timer.data = (unsigned long) mtp_card; |
714 | |
715 | card->private_free = snd_mtpav_free; |
716 | |
717 | err = snd_mtpav_get_RAWMIDI(mtp_card); |
718 | if (err < 0) |
719 | goto __error; |
720 | |
721 | mtp_card->inmidiport = mtp_card->num_ports + MTPAV_PIDX_BROADCAST; |
722 | |
723 | err = snd_mtpav_get_ISA(mtp_card); |
724 | if (err < 0) |
725 | goto __error; |
726 | |
727 | strcpy(card->driver, "MTPAV"); |
728 | strcpy(card->shortname, "MTPAV on parallel port"); |
729 | snprintf(card->longname, sizeof(card->longname), |
730 | "MTPAV on parallel port at 0x%lx", port); |
731 | |
732 | snd_mtpav_portscan(mtp_card); |
733 | |
734 | snd_card_set_dev(card, &dev->dev); |
735 | err = snd_card_register(mtp_card->card); |
736 | if (err < 0) |
737 | goto __error; |
738 | |
739 | platform_set_drvdata(dev, card); |
740 | printk(KERN_INFO "Motu MidiTimePiece on parallel port irq: %d ioport: 0x%lx\n", irq, port); |
741 | return 0; |
742 | |
743 | __error: |
744 | snd_card_free(card); |
745 | return err; |
746 | } |
747 | |
748 | static int __devexit snd_mtpav_remove(struct platform_device *devptr) |
749 | { |
750 | snd_card_free(platform_get_drvdata(devptr)); |
751 | platform_set_drvdata(devptr, NULL); |
752 | return 0; |
753 | } |
754 | |
755 | #define SND_MTPAV_DRIVER "snd_mtpav" |
756 | |
757 | static struct platform_driver snd_mtpav_driver = { |
758 | .probe = snd_mtpav_probe, |
759 | .remove = __devexit_p(snd_mtpav_remove), |
760 | .driver = { |
761 | .name = SND_MTPAV_DRIVER |
762 | }, |
763 | }; |
764 | |
765 | static int __init alsa_card_mtpav_init(void) |
766 | { |
767 | int err; |
768 | |
769 | if ((err = platform_driver_register(&snd_mtpav_driver)) < 0) |
770 | return err; |
771 | |
772 | device = platform_device_register_simple(SND_MTPAV_DRIVER, -1, NULL, 0); |
773 | if (!IS_ERR(device)) { |
774 | if (platform_get_drvdata(device)) |
775 | return 0; |
776 | platform_device_unregister(device); |
777 | err = -ENODEV; |
778 | } else |
779 | err = PTR_ERR(device); |
780 | platform_driver_unregister(&snd_mtpav_driver); |
781 | return err; |
782 | } |
783 | |
784 | static void __exit alsa_card_mtpav_exit(void) |
785 | { |
786 | platform_device_unregister(device); |
787 | platform_driver_unregister(&snd_mtpav_driver); |
788 | } |
789 | |
790 | module_init(alsa_card_mtpav_init) |
791 | module_exit(alsa_card_mtpav_exit) |
792 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9