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