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68ab801e MK |
1 | /* |
2 | * ALSA Driver for Ego Systems Inc. (ESI) Miditerminal 4140 | |
3 | * Copyright (c) 2006 by Matthias König <mk@phasorlab.de> | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
18 | * | |
19 | */ | |
20 | ||
68ab801e MK |
21 | #include <linux/init.h> |
22 | #include <linux/platform_device.h> | |
23 | #include <linux/parport.h> | |
24 | #include <linux/spinlock.h> | |
da155d5b | 25 | #include <linux/module.h> |
68ab801e | 26 | #include <linux/delay.h> |
5a0e3ad6 | 27 | #include <linux/slab.h> |
68ab801e MK |
28 | #include <sound/core.h> |
29 | #include <sound/initval.h> | |
30 | #include <sound/rawmidi.h> | |
31 | #include <sound/control.h> | |
32 | ||
33 | #define CARD_NAME "Miditerminal 4140" | |
34 | #define DRIVER_NAME "MTS64" | |
35 | #define PLATFORM_DRIVER "snd_mts64" | |
36 | ||
37 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; | |
38 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; | |
a67ff6a5 | 39 | static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; |
68ab801e MK |
40 | |
41 | static struct platform_device *platform_devices[SNDRV_CARDS]; | |
42 | static int device_count; | |
43 | ||
44 | module_param_array(index, int, NULL, S_IRUGO); | |
45 | MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard."); | |
46 | module_param_array(id, charp, NULL, S_IRUGO); | |
47 | MODULE_PARM_DESC(id, "ID string for " CARD_NAME " soundcard."); | |
48 | module_param_array(enable, bool, NULL, S_IRUGO); | |
49 | MODULE_PARM_DESC(enable, "Enable " CARD_NAME " soundcard."); | |
50 | ||
51 | MODULE_AUTHOR("Matthias Koenig <mk@phasorlab.de>"); | |
52 | MODULE_DESCRIPTION("ESI Miditerminal 4140"); | |
53 | MODULE_LICENSE("GPL"); | |
54 | MODULE_SUPPORTED_DEVICE("{{ESI,Miditerminal 4140}}"); | |
55 | ||
56 | /********************************************************************* | |
57 | * Chip specific | |
58 | *********************************************************************/ | |
59 | #define MTS64_NUM_INPUT_PORTS 5 | |
60 | #define MTS64_NUM_OUTPUT_PORTS 4 | |
61 | #define MTS64_SMPTE_SUBSTREAM 4 | |
62 | ||
63 | struct mts64 { | |
64 | spinlock_t lock; | |
65 | struct snd_card *card; | |
66 | struct snd_rawmidi *rmidi; | |
67 | struct pardevice *pardev; | |
68 | int pardev_claimed; | |
69 | ||
70 | int open_count; | |
71 | int current_midi_output_port; | |
72 | int current_midi_input_port; | |
73 | u8 mode[MTS64_NUM_INPUT_PORTS]; | |
74 | struct snd_rawmidi_substream *midi_input_substream[MTS64_NUM_INPUT_PORTS]; | |
75 | int smpte_switch; | |
76 | u8 time[4]; /* [0]=hh, [1]=mm, [2]=ss, [3]=ff */ | |
77 | u8 fps; | |
78 | }; | |
79 | ||
80 | static int snd_mts64_free(struct mts64 *mts) | |
81 | { | |
82 | kfree(mts); | |
83 | return 0; | |
84 | } | |
85 | ||
86 | static int __devinit snd_mts64_create(struct snd_card *card, | |
87 | struct pardevice *pardev, | |
88 | struct mts64 **rchip) | |
89 | { | |
90 | struct mts64 *mts; | |
91 | ||
92 | *rchip = NULL; | |
93 | ||
94 | mts = kzalloc(sizeof(struct mts64), GFP_KERNEL); | |
95 | if (mts == NULL) | |
96 | return -ENOMEM; | |
97 | ||
98 | /* Init chip specific data */ | |
99 | spin_lock_init(&mts->lock); | |
100 | mts->card = card; | |
101 | mts->pardev = pardev; | |
102 | mts->current_midi_output_port = -1; | |
103 | mts->current_midi_input_port = -1; | |
104 | ||
105 | *rchip = mts; | |
106 | ||
107 | return 0; | |
108 | } | |
109 | ||
110 | /********************************************************************* | |
111 | * HW register related constants | |
112 | *********************************************************************/ | |
113 | ||
114 | /* Status Bits */ | |
115 | #define MTS64_STAT_BSY 0x80 | |
116 | #define MTS64_STAT_BIT_SET 0x20 /* readout process, bit is set */ | |
117 | #define MTS64_STAT_PORT 0x10 /* read byte is a port number */ | |
118 | ||
119 | /* Control Bits */ | |
120 | #define MTS64_CTL_READOUT 0x08 /* enable readout */ | |
121 | #define MTS64_CTL_WRITE_CMD 0x06 | |
122 | #define MTS64_CTL_WRITE_DATA 0x02 | |
123 | #define MTS64_CTL_STROBE 0x01 | |
124 | ||
125 | /* Command */ | |
126 | #define MTS64_CMD_RESET 0xfe | |
127 | #define MTS64_CMD_PROBE 0x8f /* Used in probing procedure */ | |
128 | #define MTS64_CMD_SMPTE_SET_TIME 0xe8 | |
129 | #define MTS64_CMD_SMPTE_SET_FPS 0xee | |
130 | #define MTS64_CMD_SMPTE_STOP 0xef | |
131 | #define MTS64_CMD_SMPTE_FPS_24 0xe3 | |
132 | #define MTS64_CMD_SMPTE_FPS_25 0xe2 | |
133 | #define MTS64_CMD_SMPTE_FPS_2997 0xe4 | |
134 | #define MTS64_CMD_SMPTE_FPS_30D 0xe1 | |
135 | #define MTS64_CMD_SMPTE_FPS_30 0xe0 | |
136 | #define MTS64_CMD_COM_OPEN 0xf8 /* setting the communication mode */ | |
137 | #define MTS64_CMD_COM_CLOSE1 0xff /* clearing communication mode */ | |
138 | #define MTS64_CMD_COM_CLOSE2 0xf5 | |
139 | ||
140 | /********************************************************************* | |
141 | * Hardware specific functions | |
142 | *********************************************************************/ | |
143 | static void mts64_enable_readout(struct parport *p); | |
144 | static void mts64_disable_readout(struct parport *p); | |
145 | static int mts64_device_ready(struct parport *p); | |
146 | static int mts64_device_init(struct parport *p); | |
147 | static int mts64_device_open(struct mts64 *mts); | |
148 | static int mts64_device_close(struct mts64 *mts); | |
149 | static u8 mts64_map_midi_input(u8 c); | |
150 | static int mts64_probe(struct parport *p); | |
151 | static u16 mts64_read(struct parport *p); | |
152 | static u8 mts64_read_char(struct parport *p); | |
153 | static void mts64_smpte_start(struct parport *p, | |
154 | u8 hours, u8 minutes, | |
155 | u8 seconds, u8 frames, | |
156 | u8 idx); | |
157 | static void mts64_smpte_stop(struct parport *p); | |
158 | static void mts64_write_command(struct parport *p, u8 c); | |
159 | static void mts64_write_data(struct parport *p, u8 c); | |
160 | static void mts64_write_midi(struct mts64 *mts, u8 c, int midiport); | |
161 | ||
162 | ||
163 | /* Enables the readout procedure | |
164 | * | |
165 | * Before we can read a midi byte from the device, we have to set | |
166 | * bit 3 of control port. | |
167 | */ | |
168 | static void mts64_enable_readout(struct parport *p) | |
169 | { | |
170 | u8 c; | |
171 | ||
172 | c = parport_read_control(p); | |
173 | c |= MTS64_CTL_READOUT; | |
174 | parport_write_control(p, c); | |
175 | } | |
176 | ||
177 | /* Disables readout | |
178 | * | |
179 | * Readout is disabled by clearing bit 3 of control | |
180 | */ | |
181 | static void mts64_disable_readout(struct parport *p) | |
182 | { | |
183 | u8 c; | |
184 | ||
185 | c = parport_read_control(p); | |
186 | c &= ~MTS64_CTL_READOUT; | |
187 | parport_write_control(p, c); | |
188 | } | |
189 | ||
190 | /* waits for device ready | |
191 | * | |
192 | * Checks if BUSY (Bit 7 of status) is clear | |
193 | * 1 device ready | |
194 | * 0 failure | |
195 | */ | |
196 | static int mts64_device_ready(struct parport *p) | |
197 | { | |
198 | int i; | |
199 | u8 c; | |
200 | ||
201 | for (i = 0; i < 0xffff; ++i) { | |
202 | c = parport_read_status(p); | |
203 | c &= MTS64_STAT_BSY; | |
204 | if (c != 0) | |
205 | return 1; | |
206 | } | |
207 | ||
208 | return 0; | |
209 | } | |
210 | ||
211 | /* Init device (LED blinking startup magic) | |
212 | * | |
213 | * Returns: | |
214 | * 0 init ok | |
215 | * -EIO failure | |
216 | */ | |
217 | static int __devinit mts64_device_init(struct parport *p) | |
218 | { | |
219 | int i; | |
220 | ||
221 | mts64_write_command(p, MTS64_CMD_RESET); | |
222 | ||
223 | for (i = 0; i < 64; ++i) { | |
224 | msleep(100); | |
225 | ||
226 | if (mts64_probe(p) == 0) { | |
227 | /* success */ | |
228 | mts64_disable_readout(p); | |
229 | return 0; | |
230 | } | |
231 | } | |
232 | mts64_disable_readout(p); | |
233 | ||
234 | return -EIO; | |
235 | } | |
236 | ||
237 | /* | |
238 | * Opens the device (set communication mode) | |
239 | */ | |
240 | static int mts64_device_open(struct mts64 *mts) | |
241 | { | |
242 | int i; | |
243 | struct parport *p = mts->pardev->port; | |
244 | ||
245 | for (i = 0; i < 5; ++i) | |
246 | mts64_write_command(p, MTS64_CMD_COM_OPEN); | |
247 | ||
248 | return 0; | |
249 | } | |
250 | ||
251 | /* | |
252 | * Close device (clear communication mode) | |
253 | */ | |
254 | static int mts64_device_close(struct mts64 *mts) | |
255 | { | |
256 | int i; | |
257 | struct parport *p = mts->pardev->port; | |
258 | ||
259 | for (i = 0; i < 5; ++i) { | |
260 | mts64_write_command(p, MTS64_CMD_COM_CLOSE1); | |
261 | mts64_write_command(p, MTS64_CMD_COM_CLOSE2); | |
262 | } | |
263 | ||
264 | return 0; | |
265 | } | |
266 | ||
267 | /* map hardware port to substream number | |
268 | * | |
269 | * When reading a byte from the device, the device tells us | |
270 | * on what port the byte is. This HW port has to be mapped to | |
271 | * the midiport (substream number). | |
272 | * substream 0-3 are Midiports 1-4 | |
273 | * substream 4 is SMPTE Timecode | |
274 | * The mapping is done by the table: | |
275 | * HW | 0 | 1 | 2 | 3 | 4 | |
276 | * SW | 0 | 1 | 4 | 2 | 3 | |
277 | */ | |
278 | static u8 mts64_map_midi_input(u8 c) | |
279 | { | |
280 | static u8 map[] = { 0, 1, 4, 2, 3 }; | |
281 | ||
282 | return map[c]; | |
283 | } | |
284 | ||
285 | ||
286 | /* Probe parport for device | |
287 | * | |
288 | * Do we have a Miditerminal 4140 on parport? | |
289 | * Returns: | |
290 | * 0 device found | |
291 | * -ENODEV no device | |
292 | */ | |
293 | static int __devinit mts64_probe(struct parport *p) | |
294 | { | |
295 | u8 c; | |
296 | ||
297 | mts64_smpte_stop(p); | |
298 | mts64_write_command(p, MTS64_CMD_PROBE); | |
299 | ||
300 | msleep(50); | |
301 | ||
302 | c = mts64_read(p); | |
303 | ||
304 | c &= 0x00ff; | |
305 | if (c != MTS64_CMD_PROBE) | |
306 | return -ENODEV; | |
307 | else | |
308 | return 0; | |
309 | ||
310 | } | |
311 | ||
312 | /* Read byte incl. status from device | |
313 | * | |
314 | * Returns: | |
315 | * data in lower 8 bits and status in upper 8 bits | |
316 | */ | |
317 | static u16 mts64_read(struct parport *p) | |
318 | { | |
319 | u8 data, status; | |
320 | ||
321 | mts64_device_ready(p); | |
322 | mts64_enable_readout(p); | |
323 | status = parport_read_status(p); | |
324 | data = mts64_read_char(p); | |
325 | mts64_disable_readout(p); | |
326 | ||
327 | return (status << 8) | data; | |
328 | } | |
329 | ||
330 | /* Read a byte from device | |
331 | * | |
332 | * Note, that readout mode has to be enabled. | |
333 | * readout procedure is as follows: | |
334 | * - Write number of the Bit to read to DATA | |
335 | * - Read STATUS | |
336 | * - Bit 5 of STATUS indicates if Bit is set | |
337 | * | |
338 | * Returns: | |
339 | * Byte read from device | |
340 | */ | |
341 | static u8 mts64_read_char(struct parport *p) | |
342 | { | |
343 | u8 c = 0; | |
344 | u8 status; | |
345 | u8 i; | |
346 | ||
347 | for (i = 0; i < 8; ++i) { | |
348 | parport_write_data(p, i); | |
349 | c >>= 1; | |
350 | status = parport_read_status(p); | |
351 | if (status & MTS64_STAT_BIT_SET) | |
352 | c |= 0x80; | |
353 | } | |
354 | ||
355 | return c; | |
356 | } | |
357 | ||
358 | /* Starts SMPTE Timecode generation | |
359 | * | |
360 | * The device creates SMPTE Timecode by hardware. | |
361 | * 0 24 fps | |
362 | * 1 25 fps | |
363 | * 2 29.97 fps | |
364 | * 3 30 fps (Drop-frame) | |
365 | * 4 30 fps | |
366 | */ | |
367 | static void mts64_smpte_start(struct parport *p, | |
368 | u8 hours, u8 minutes, | |
369 | u8 seconds, u8 frames, | |
370 | u8 idx) | |
371 | { | |
372 | static u8 fps[5] = { MTS64_CMD_SMPTE_FPS_24, | |
373 | MTS64_CMD_SMPTE_FPS_25, | |
374 | MTS64_CMD_SMPTE_FPS_2997, | |
375 | MTS64_CMD_SMPTE_FPS_30D, | |
376 | MTS64_CMD_SMPTE_FPS_30 }; | |
377 | ||
378 | mts64_write_command(p, MTS64_CMD_SMPTE_SET_TIME); | |
379 | mts64_write_command(p, frames); | |
380 | mts64_write_command(p, seconds); | |
381 | mts64_write_command(p, minutes); | |
382 | mts64_write_command(p, hours); | |
383 | ||
384 | mts64_write_command(p, MTS64_CMD_SMPTE_SET_FPS); | |
385 | mts64_write_command(p, fps[idx]); | |
386 | } | |
387 | ||
388 | /* Stops SMPTE Timecode generation | |
389 | */ | |
390 | static void mts64_smpte_stop(struct parport *p) | |
391 | { | |
392 | mts64_write_command(p, MTS64_CMD_SMPTE_STOP); | |
393 | } | |
394 | ||
395 | /* Write a command byte to device | |
396 | */ | |
397 | static void mts64_write_command(struct parport *p, u8 c) | |
398 | { | |
399 | mts64_device_ready(p); | |
400 | ||
401 | parport_write_data(p, c); | |
402 | ||
403 | parport_write_control(p, MTS64_CTL_WRITE_CMD); | |
404 | parport_write_control(p, MTS64_CTL_WRITE_CMD | MTS64_CTL_STROBE); | |
405 | parport_write_control(p, MTS64_CTL_WRITE_CMD); | |
406 | } | |
407 | ||
408 | /* Write a data byte to device | |
409 | */ | |
410 | static void mts64_write_data(struct parport *p, u8 c) | |
411 | { | |
412 | mts64_device_ready(p); | |
413 | ||
414 | parport_write_data(p, c); | |
415 | ||
416 | parport_write_control(p, MTS64_CTL_WRITE_DATA); | |
417 | parport_write_control(p, MTS64_CTL_WRITE_DATA | MTS64_CTL_STROBE); | |
418 | parport_write_control(p, MTS64_CTL_WRITE_DATA); | |
419 | } | |
420 | ||
421 | /* Write a MIDI byte to midiport | |
422 | * | |
423 | * midiport ranges from 0-3 and maps to Ports 1-4 | |
424 | * assumptions: communication mode is on | |
425 | */ | |
426 | static void mts64_write_midi(struct mts64 *mts, u8 c, | |
427 | int midiport) | |
428 | { | |
429 | struct parport *p = mts->pardev->port; | |
430 | ||
431 | /* check current midiport */ | |
432 | if (mts->current_midi_output_port != midiport) | |
433 | mts64_write_command(p, midiport); | |
434 | ||
435 | /* write midi byte */ | |
436 | mts64_write_data(p, c); | |
437 | } | |
438 | ||
439 | /********************************************************************* | |
440 | * Control elements | |
441 | *********************************************************************/ | |
442 | ||
443 | /* SMPTE Switch */ | |
a5ce8890 | 444 | #define snd_mts64_ctl_smpte_switch_info snd_ctl_boolean_mono_info |
68ab801e MK |
445 | |
446 | static int snd_mts64_ctl_smpte_switch_get(struct snd_kcontrol* kctl, | |
447 | struct snd_ctl_elem_value *uctl) | |
448 | { | |
449 | struct mts64 *mts = snd_kcontrol_chip(kctl); | |
450 | ||
451 | spin_lock_irq(&mts->lock); | |
452 | uctl->value.integer.value[0] = mts->smpte_switch; | |
453 | spin_unlock_irq(&mts->lock); | |
454 | ||
455 | return 0; | |
456 | } | |
457 | ||
458 | /* smpte_switch is not accessed from IRQ handler, so we just need | |
459 | to protect the HW access */ | |
460 | static int snd_mts64_ctl_smpte_switch_put(struct snd_kcontrol* kctl, | |
461 | struct snd_ctl_elem_value *uctl) | |
462 | { | |
463 | struct mts64 *mts = snd_kcontrol_chip(kctl); | |
464 | int changed = 0; | |
3b892467 | 465 | int val = !!uctl->value.integer.value[0]; |
68ab801e MK |
466 | |
467 | spin_lock_irq(&mts->lock); | |
3b892467 | 468 | if (mts->smpte_switch == val) |
68ab801e MK |
469 | goto __out; |
470 | ||
471 | changed = 1; | |
3b892467 | 472 | mts->smpte_switch = val; |
68ab801e MK |
473 | if (mts->smpte_switch) { |
474 | mts64_smpte_start(mts->pardev->port, | |
475 | mts->time[0], mts->time[1], | |
476 | mts->time[2], mts->time[3], | |
477 | mts->fps); | |
478 | } else { | |
479 | mts64_smpte_stop(mts->pardev->port); | |
480 | } | |
481 | __out: | |
482 | spin_unlock_irq(&mts->lock); | |
483 | return changed; | |
484 | } | |
485 | ||
486 | static struct snd_kcontrol_new mts64_ctl_smpte_switch __devinitdata = { | |
487 | .iface = SNDRV_CTL_ELEM_IFACE_RAWMIDI, | |
488 | .name = "SMPTE Playback Switch", | |
489 | .index = 0, | |
490 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, | |
491 | .private_value = 0, | |
492 | .info = snd_mts64_ctl_smpte_switch_info, | |
493 | .get = snd_mts64_ctl_smpte_switch_get, | |
494 | .put = snd_mts64_ctl_smpte_switch_put | |
495 | }; | |
496 | ||
497 | /* Time */ | |
498 | static int snd_mts64_ctl_smpte_time_h_info(struct snd_kcontrol *kctl, | |
499 | struct snd_ctl_elem_info *uinfo) | |
500 | { | |
501 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
502 | uinfo->count = 1; | |
503 | uinfo->value.integer.min = 0; | |
504 | uinfo->value.integer.max = 23; | |
505 | return 0; | |
506 | } | |
507 | ||
508 | static int snd_mts64_ctl_smpte_time_f_info(struct snd_kcontrol *kctl, | |
509 | struct snd_ctl_elem_info *uinfo) | |
510 | { | |
511 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
512 | uinfo->count = 1; | |
513 | uinfo->value.integer.min = 0; | |
514 | uinfo->value.integer.max = 99; | |
515 | return 0; | |
516 | } | |
517 | ||
518 | static int snd_mts64_ctl_smpte_time_info(struct snd_kcontrol *kctl, | |
519 | struct snd_ctl_elem_info *uinfo) | |
520 | { | |
521 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
522 | uinfo->count = 1; | |
523 | uinfo->value.integer.min = 0; | |
524 | uinfo->value.integer.max = 59; | |
525 | return 0; | |
526 | } | |
527 | ||
528 | static int snd_mts64_ctl_smpte_time_get(struct snd_kcontrol *kctl, | |
529 | struct snd_ctl_elem_value *uctl) | |
530 | { | |
531 | struct mts64 *mts = snd_kcontrol_chip(kctl); | |
532 | int idx = kctl->private_value; | |
533 | ||
534 | spin_lock_irq(&mts->lock); | |
535 | uctl->value.integer.value[0] = mts->time[idx]; | |
536 | spin_unlock_irq(&mts->lock); | |
537 | ||
538 | return 0; | |
539 | } | |
540 | ||
541 | static int snd_mts64_ctl_smpte_time_put(struct snd_kcontrol *kctl, | |
542 | struct snd_ctl_elem_value *uctl) | |
543 | { | |
544 | struct mts64 *mts = snd_kcontrol_chip(kctl); | |
545 | int idx = kctl->private_value; | |
3b892467 | 546 | unsigned int time = uctl->value.integer.value[0] % 60; |
68ab801e MK |
547 | int changed = 0; |
548 | ||
549 | spin_lock_irq(&mts->lock); | |
3b892467 | 550 | if (mts->time[idx] != time) { |
68ab801e | 551 | changed = 1; |
3b892467 | 552 | mts->time[idx] = time; |
68ab801e MK |
553 | } |
554 | spin_unlock_irq(&mts->lock); | |
555 | ||
556 | return changed; | |
557 | } | |
558 | ||
559 | static struct snd_kcontrol_new mts64_ctl_smpte_time_hours __devinitdata = { | |
560 | .iface = SNDRV_CTL_ELEM_IFACE_RAWMIDI, | |
561 | .name = "SMPTE Time Hours", | |
562 | .index = 0, | |
563 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, | |
564 | .private_value = 0, | |
565 | .info = snd_mts64_ctl_smpte_time_h_info, | |
566 | .get = snd_mts64_ctl_smpte_time_get, | |
567 | .put = snd_mts64_ctl_smpte_time_put | |
568 | }; | |
569 | ||
570 | static struct snd_kcontrol_new mts64_ctl_smpte_time_minutes __devinitdata = { | |
571 | .iface = SNDRV_CTL_ELEM_IFACE_RAWMIDI, | |
572 | .name = "SMPTE Time Minutes", | |
573 | .index = 0, | |
574 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, | |
575 | .private_value = 1, | |
576 | .info = snd_mts64_ctl_smpte_time_info, | |
577 | .get = snd_mts64_ctl_smpte_time_get, | |
578 | .put = snd_mts64_ctl_smpte_time_put | |
579 | }; | |
580 | ||
581 | static struct snd_kcontrol_new mts64_ctl_smpte_time_seconds __devinitdata = { | |
582 | .iface = SNDRV_CTL_ELEM_IFACE_RAWMIDI, | |
583 | .name = "SMPTE Time Seconds", | |
584 | .index = 0, | |
585 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, | |
586 | .private_value = 2, | |
587 | .info = snd_mts64_ctl_smpte_time_info, | |
588 | .get = snd_mts64_ctl_smpte_time_get, | |
589 | .put = snd_mts64_ctl_smpte_time_put | |
590 | }; | |
591 | ||
592 | static struct snd_kcontrol_new mts64_ctl_smpte_time_frames __devinitdata = { | |
593 | .iface = SNDRV_CTL_ELEM_IFACE_RAWMIDI, | |
594 | .name = "SMPTE Time Frames", | |
595 | .index = 0, | |
596 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, | |
597 | .private_value = 3, | |
598 | .info = snd_mts64_ctl_smpte_time_f_info, | |
599 | .get = snd_mts64_ctl_smpte_time_get, | |
600 | .put = snd_mts64_ctl_smpte_time_put | |
601 | }; | |
602 | ||
603 | /* FPS */ | |
604 | static int snd_mts64_ctl_smpte_fps_info(struct snd_kcontrol *kctl, | |
605 | struct snd_ctl_elem_info *uinfo) | |
606 | { | |
607 | static char *texts[5] = { "24", | |
608 | "25", | |
609 | "29.97", | |
610 | "30D", | |
611 | "30" }; | |
612 | ||
613 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
614 | uinfo->count = 1; | |
615 | uinfo->value.enumerated.items = 5; | |
616 | if (uinfo->value.enumerated.item > 4) | |
617 | uinfo->value.enumerated.item = 4; | |
618 | strcpy(uinfo->value.enumerated.name, | |
619 | texts[uinfo->value.enumerated.item]); | |
620 | ||
621 | return 0; | |
622 | } | |
623 | ||
624 | static int snd_mts64_ctl_smpte_fps_get(struct snd_kcontrol *kctl, | |
625 | struct snd_ctl_elem_value *uctl) | |
626 | { | |
627 | struct mts64 *mts = snd_kcontrol_chip(kctl); | |
628 | ||
629 | spin_lock_irq(&mts->lock); | |
630 | uctl->value.enumerated.item[0] = mts->fps; | |
631 | spin_unlock_irq(&mts->lock); | |
632 | ||
633 | return 0; | |
634 | } | |
635 | ||
636 | static int snd_mts64_ctl_smpte_fps_put(struct snd_kcontrol *kctl, | |
637 | struct snd_ctl_elem_value *uctl) | |
638 | { | |
639 | struct mts64 *mts = snd_kcontrol_chip(kctl); | |
640 | int changed = 0; | |
641 | ||
3b892467 TI |
642 | if (uctl->value.enumerated.item[0] >= 5) |
643 | return -EINVAL; | |
68ab801e MK |
644 | spin_lock_irq(&mts->lock); |
645 | if (mts->fps != uctl->value.enumerated.item[0]) { | |
646 | changed = 1; | |
647 | mts->fps = uctl->value.enumerated.item[0]; | |
648 | } | |
649 | spin_unlock_irq(&mts->lock); | |
650 | ||
651 | return changed; | |
652 | } | |
653 | ||
654 | static struct snd_kcontrol_new mts64_ctl_smpte_fps __devinitdata = { | |
655 | .iface = SNDRV_CTL_ELEM_IFACE_RAWMIDI, | |
656 | .name = "SMPTE Fps", | |
657 | .index = 0, | |
658 | .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, | |
659 | .private_value = 0, | |
660 | .info = snd_mts64_ctl_smpte_fps_info, | |
661 | .get = snd_mts64_ctl_smpte_fps_get, | |
662 | .put = snd_mts64_ctl_smpte_fps_put | |
663 | }; | |
664 | ||
665 | ||
666 | static int __devinit snd_mts64_ctl_create(struct snd_card *card, | |
667 | struct mts64 *mts) | |
668 | { | |
669 | int err, i; | |
e7d7c2e2 | 670 | static struct snd_kcontrol_new *control[] __devinitdata = { |
68ab801e MK |
671 | &mts64_ctl_smpte_switch, |
672 | &mts64_ctl_smpte_time_hours, | |
673 | &mts64_ctl_smpte_time_minutes, | |
674 | &mts64_ctl_smpte_time_seconds, | |
675 | &mts64_ctl_smpte_time_frames, | |
676 | &mts64_ctl_smpte_fps, | |
ae97dd9a | 677 | NULL }; |
68ab801e MK |
678 | |
679 | for (i = 0; control[i]; ++i) { | |
680 | err = snd_ctl_add(card, snd_ctl_new1(control[i], mts)); | |
681 | if (err < 0) { | |
682 | snd_printd("Cannot create control: %s\n", | |
683 | control[i]->name); | |
684 | return err; | |
685 | } | |
686 | } | |
687 | ||
688 | return 0; | |
689 | } | |
690 | ||
691 | /********************************************************************* | |
692 | * Rawmidi | |
693 | *********************************************************************/ | |
694 | #define MTS64_MODE_INPUT_TRIGGERED 0x01 | |
695 | ||
696 | static int snd_mts64_rawmidi_open(struct snd_rawmidi_substream *substream) | |
697 | { | |
698 | struct mts64 *mts = substream->rmidi->private_data; | |
699 | ||
700 | if (mts->open_count == 0) { | |
701 | /* We don't need a spinlock here, because this is just called | |
702 | if the device has not been opened before. | |
703 | So there aren't any IRQs from the device */ | |
704 | mts64_device_open(mts); | |
705 | ||
706 | msleep(50); | |
707 | } | |
708 | ++(mts->open_count); | |
709 | ||
710 | return 0; | |
711 | } | |
712 | ||
713 | static int snd_mts64_rawmidi_close(struct snd_rawmidi_substream *substream) | |
714 | { | |
715 | struct mts64 *mts = substream->rmidi->private_data; | |
716 | unsigned long flags; | |
717 | ||
718 | --(mts->open_count); | |
719 | if (mts->open_count == 0) { | |
720 | /* We need the spinlock_irqsave here because we can still | |
721 | have IRQs at this point */ | |
722 | spin_lock_irqsave(&mts->lock, flags); | |
723 | mts64_device_close(mts); | |
724 | spin_unlock_irqrestore(&mts->lock, flags); | |
725 | ||
726 | msleep(500); | |
727 | ||
728 | } else if (mts->open_count < 0) | |
729 | mts->open_count = 0; | |
730 | ||
731 | return 0; | |
732 | } | |
733 | ||
734 | static void snd_mts64_rawmidi_output_trigger(struct snd_rawmidi_substream *substream, | |
735 | int up) | |
736 | { | |
737 | struct mts64 *mts = substream->rmidi->private_data; | |
738 | u8 data; | |
739 | unsigned long flags; | |
740 | ||
741 | spin_lock_irqsave(&mts->lock, flags); | |
742 | while (snd_rawmidi_transmit_peek(substream, &data, 1) == 1) { | |
743 | mts64_write_midi(mts, data, substream->number+1); | |
744 | snd_rawmidi_transmit_ack(substream, 1); | |
745 | } | |
746 | spin_unlock_irqrestore(&mts->lock, flags); | |
747 | } | |
748 | ||
749 | static void snd_mts64_rawmidi_input_trigger(struct snd_rawmidi_substream *substream, | |
750 | int up) | |
751 | { | |
752 | struct mts64 *mts = substream->rmidi->private_data; | |
753 | unsigned long flags; | |
754 | ||
755 | spin_lock_irqsave(&mts->lock, flags); | |
756 | if (up) | |
757 | mts->mode[substream->number] |= MTS64_MODE_INPUT_TRIGGERED; | |
758 | else | |
759 | mts->mode[substream->number] &= ~MTS64_MODE_INPUT_TRIGGERED; | |
760 | ||
761 | spin_unlock_irqrestore(&mts->lock, flags); | |
762 | } | |
763 | ||
764 | static struct snd_rawmidi_ops snd_mts64_rawmidi_output_ops = { | |
765 | .open = snd_mts64_rawmidi_open, | |
766 | .close = snd_mts64_rawmidi_close, | |
767 | .trigger = snd_mts64_rawmidi_output_trigger | |
768 | }; | |
769 | ||
770 | static struct snd_rawmidi_ops snd_mts64_rawmidi_input_ops = { | |
771 | .open = snd_mts64_rawmidi_open, | |
772 | .close = snd_mts64_rawmidi_close, | |
773 | .trigger = snd_mts64_rawmidi_input_trigger | |
774 | }; | |
775 | ||
776 | /* Create and initialize the rawmidi component */ | |
777 | static int __devinit snd_mts64_rawmidi_create(struct snd_card *card) | |
778 | { | |
779 | struct mts64 *mts = card->private_data; | |
780 | struct snd_rawmidi *rmidi; | |
781 | struct snd_rawmidi_substream *substream; | |
782 | struct list_head *list; | |
783 | int err; | |
784 | ||
785 | err = snd_rawmidi_new(card, CARD_NAME, 0, | |
786 | MTS64_NUM_OUTPUT_PORTS, | |
787 | MTS64_NUM_INPUT_PORTS, | |
788 | &rmidi); | |
789 | if (err < 0) | |
790 | return err; | |
791 | ||
792 | rmidi->private_data = mts; | |
793 | strcpy(rmidi->name, CARD_NAME); | |
794 | rmidi->info_flags = SNDRV_RAWMIDI_INFO_OUTPUT | | |
795 | SNDRV_RAWMIDI_INFO_INPUT | | |
796 | SNDRV_RAWMIDI_INFO_DUPLEX; | |
797 | ||
798 | mts->rmidi = rmidi; | |
799 | ||
800 | /* register rawmidi ops */ | |
801 | snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, | |
802 | &snd_mts64_rawmidi_output_ops); | |
803 | snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, | |
804 | &snd_mts64_rawmidi_input_ops); | |
805 | ||
806 | /* name substreams */ | |
807 | /* output */ | |
808 | list_for_each(list, | |
809 | &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT].substreams) { | |
810 | substream = list_entry(list, struct snd_rawmidi_substream, list); | |
811 | sprintf(substream->name, | |
812 | "Miditerminal %d", substream->number+1); | |
813 | } | |
814 | /* input */ | |
815 | list_for_each(list, | |
816 | &rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT].substreams) { | |
817 | substream = list_entry(list, struct snd_rawmidi_substream, list); | |
818 | mts->midi_input_substream[substream->number] = substream; | |
819 | switch(substream->number) { | |
820 | case MTS64_SMPTE_SUBSTREAM: | |
821 | strcpy(substream->name, "Miditerminal SMPTE"); | |
822 | break; | |
823 | default: | |
824 | sprintf(substream->name, | |
825 | "Miditerminal %d", substream->number+1); | |
826 | } | |
827 | } | |
828 | ||
829 | /* controls */ | |
830 | err = snd_mts64_ctl_create(card, mts); | |
831 | ||
832 | return err; | |
833 | } | |
834 | ||
835 | /********************************************************************* | |
836 | * parport stuff | |
837 | *********************************************************************/ | |
5712cb3d | 838 | static void snd_mts64_interrupt(void *private) |
68ab801e MK |
839 | { |
840 | struct mts64 *mts = ((struct snd_card*)private)->private_data; | |
841 | u16 ret; | |
842 | u8 status, data; | |
843 | struct snd_rawmidi_substream *substream; | |
844 | ||
845 | spin_lock(&mts->lock); | |
846 | ret = mts64_read(mts->pardev->port); | |
847 | data = ret & 0x00ff; | |
848 | status = ret >> 8; | |
849 | ||
850 | if (status & MTS64_STAT_PORT) { | |
851 | mts->current_midi_input_port = mts64_map_midi_input(data); | |
852 | } else { | |
853 | if (mts->current_midi_input_port == -1) | |
854 | goto __out; | |
855 | substream = mts->midi_input_substream[mts->current_midi_input_port]; | |
856 | if (mts->mode[substream->number] & MTS64_MODE_INPUT_TRIGGERED) | |
857 | snd_rawmidi_receive(substream, &data, 1); | |
858 | } | |
859 | __out: | |
860 | spin_unlock(&mts->lock); | |
861 | } | |
862 | ||
863 | static int __devinit snd_mts64_probe_port(struct parport *p) | |
864 | { | |
865 | struct pardevice *pardev; | |
866 | int res; | |
867 | ||
868 | pardev = parport_register_device(p, DRIVER_NAME, | |
869 | NULL, NULL, NULL, | |
870 | 0, NULL); | |
871 | if (!pardev) | |
872 | return -EIO; | |
873 | ||
874 | if (parport_claim(pardev)) { | |
875 | parport_unregister_device(pardev); | |
876 | return -EIO; | |
877 | } | |
878 | ||
879 | res = mts64_probe(p); | |
880 | ||
881 | parport_release(pardev); | |
882 | parport_unregister_device(pardev); | |
883 | ||
884 | return res; | |
885 | } | |
886 | ||
887 | static void __devinit snd_mts64_attach(struct parport *p) | |
888 | { | |
889 | struct platform_device *device; | |
890 | ||
891 | device = platform_device_alloc(PLATFORM_DRIVER, device_count); | |
479ef436 | 892 | if (!device) |
68ab801e MK |
893 | return; |
894 | ||
895 | /* Temporary assignment to forward the parport */ | |
896 | platform_set_drvdata(device, p); | |
897 | ||
479ef436 | 898 | if (platform_device_add(device) < 0) { |
68ab801e MK |
899 | platform_device_put(device); |
900 | return; | |
901 | } | |
902 | ||
903 | /* Since we dont get the return value of probe | |
904 | * We need to check if device probing succeeded or not */ | |
905 | if (!platform_get_drvdata(device)) { | |
906 | platform_device_unregister(device); | |
907 | return; | |
908 | } | |
909 | ||
910 | /* register device in global table */ | |
911 | platform_devices[device_count] = device; | |
912 | device_count++; | |
913 | } | |
914 | ||
915 | static void snd_mts64_detach(struct parport *p) | |
916 | { | |
917 | /* nothing to do here */ | |
918 | } | |
919 | ||
920 | static struct parport_driver mts64_parport_driver = { | |
921 | .name = "mts64", | |
922 | .attach = snd_mts64_attach, | |
923 | .detach = snd_mts64_detach | |
924 | }; | |
925 | ||
926 | /********************************************************************* | |
927 | * platform stuff | |
928 | *********************************************************************/ | |
929 | static void snd_mts64_card_private_free(struct snd_card *card) | |
930 | { | |
931 | struct mts64 *mts = card->private_data; | |
932 | struct pardevice *pardev = mts->pardev; | |
933 | ||
934 | if (pardev) { | |
935 | if (mts->pardev_claimed) | |
936 | parport_release(pardev); | |
937 | parport_unregister_device(pardev); | |
938 | } | |
939 | ||
940 | snd_mts64_free(mts); | |
941 | } | |
942 | ||
943 | static int __devinit snd_mts64_probe(struct platform_device *pdev) | |
944 | { | |
945 | struct pardevice *pardev; | |
946 | struct parport *p; | |
947 | int dev = pdev->id; | |
948 | struct snd_card *card = NULL; | |
949 | struct mts64 *mts = NULL; | |
950 | int err; | |
951 | ||
952 | p = platform_get_drvdata(pdev); | |
953 | platform_set_drvdata(pdev, NULL); | |
954 | ||
955 | if (dev >= SNDRV_CARDS) | |
956 | return -ENODEV; | |
957 | if (!enable[dev]) | |
958 | return -ENOENT; | |
959 | if ((err = snd_mts64_probe_port(p)) < 0) | |
960 | return err; | |
961 | ||
bd7dd77c TI |
962 | err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card); |
963 | if (err < 0) { | |
68ab801e | 964 | snd_printd("Cannot create card\n"); |
bd7dd77c | 965 | return err; |
68ab801e MK |
966 | } |
967 | strcpy(card->driver, DRIVER_NAME); | |
968 | strcpy(card->shortname, "ESI " CARD_NAME); | |
969 | sprintf(card->longname, "%s at 0x%lx, irq %i", | |
970 | card->shortname, p->base, p->irq); | |
971 | ||
972 | pardev = parport_register_device(p, /* port */ | |
973 | DRIVER_NAME, /* name */ | |
974 | NULL, /* preempt */ | |
975 | NULL, /* wakeup */ | |
976 | snd_mts64_interrupt, /* ISR */ | |
977 | PARPORT_DEV_EXCL, /* flags */ | |
978 | (void *)card); /* private */ | |
979 | if (pardev == NULL) { | |
980 | snd_printd("Cannot register pardevice\n"); | |
981 | err = -EIO; | |
982 | goto __err; | |
983 | } | |
984 | ||
985 | if ((err = snd_mts64_create(card, pardev, &mts)) < 0) { | |
986 | snd_printd("Cannot create main component\n"); | |
987 | parport_unregister_device(pardev); | |
988 | goto __err; | |
989 | } | |
990 | card->private_data = mts; | |
991 | card->private_free = snd_mts64_card_private_free; | |
992 | ||
993 | if ((err = snd_mts64_rawmidi_create(card)) < 0) { | |
994 | snd_printd("Creating Rawmidi component failed\n"); | |
995 | goto __err; | |
996 | } | |
997 | ||
998 | /* claim parport */ | |
999 | if (parport_claim(pardev)) { | |
1000 | snd_printd("Cannot claim parport 0x%lx\n", pardev->port->base); | |
1001 | err = -EIO; | |
1002 | goto __err; | |
1003 | } | |
1004 | mts->pardev_claimed = 1; | |
1005 | ||
1006 | /* init device */ | |
1007 | if ((err = mts64_device_init(p)) < 0) | |
1008 | goto __err; | |
1009 | ||
1010 | platform_set_drvdata(pdev, card); | |
1011 | ||
d47ac433 TI |
1012 | snd_card_set_dev(card, &pdev->dev); |
1013 | ||
68ab801e MK |
1014 | /* At this point card will be usable */ |
1015 | if ((err = snd_card_register(card)) < 0) { | |
1016 | snd_printd("Cannot register card\n"); | |
1017 | goto __err; | |
1018 | } | |
1019 | ||
45203832 | 1020 | snd_printk(KERN_INFO "ESI Miditerminal 4140 on 0x%lx\n", p->base); |
68ab801e MK |
1021 | return 0; |
1022 | ||
1023 | __err: | |
1024 | snd_card_free(card); | |
1025 | return err; | |
1026 | } | |
1027 | ||
788c6043 | 1028 | static int __devexit snd_mts64_remove(struct platform_device *pdev) |
68ab801e MK |
1029 | { |
1030 | struct snd_card *card = platform_get_drvdata(pdev); | |
1031 | ||
1032 | if (card) | |
1033 | snd_card_free(card); | |
1034 | ||
1035 | return 0; | |
1036 | } | |
1037 | ||
1038 | ||
1039 | static struct platform_driver snd_mts64_driver = { | |
1040 | .probe = snd_mts64_probe, | |
788c6043 | 1041 | .remove = __devexit_p(snd_mts64_remove), |
68ab801e MK |
1042 | .driver = { |
1043 | .name = PLATFORM_DRIVER | |
1044 | } | |
1045 | }; | |
1046 | ||
1047 | /********************************************************************* | |
1048 | * module init stuff | |
1049 | *********************************************************************/ | |
10c86be5 | 1050 | static void snd_mts64_unregister_all(void) |
68ab801e MK |
1051 | { |
1052 | int i; | |
1053 | ||
1054 | for (i = 0; i < SNDRV_CARDS; ++i) { | |
1055 | if (platform_devices[i]) { | |
1056 | platform_device_unregister(platform_devices[i]); | |
1057 | platform_devices[i] = NULL; | |
1058 | } | |
1059 | } | |
1060 | platform_driver_unregister(&snd_mts64_driver); | |
1061 | parport_unregister_driver(&mts64_parport_driver); | |
1062 | } | |
1063 | ||
1064 | static int __init snd_mts64_module_init(void) | |
1065 | { | |
1066 | int err; | |
1067 | ||
1068 | if ((err = platform_driver_register(&snd_mts64_driver)) < 0) | |
1069 | return err; | |
1070 | ||
1071 | if (parport_register_driver(&mts64_parport_driver) != 0) { | |
1072 | platform_driver_unregister(&snd_mts64_driver); | |
1073 | return -EIO; | |
1074 | } | |
1075 | ||
1076 | if (device_count == 0) { | |
1077 | snd_mts64_unregister_all(); | |
1078 | return -ENODEV; | |
1079 | } | |
1080 | ||
1081 | return 0; | |
1082 | } | |
1083 | ||
1084 | static void __exit snd_mts64_module_exit(void) | |
1085 | { | |
1086 | snd_mts64_unregister_all(); | |
1087 | } | |
1088 | ||
1089 | module_init(snd_mts64_module_init); | |
1090 | module_exit(snd_mts64_module_exit); |