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1da177e4 LT |
1 | /* |
2 | ********************************************************************** | |
3 | * sblive_mi.c - MIDI UART input HAL for emu10k1 driver | |
4 | * Copyright 1999, 2000 Creative Labs, Inc. | |
5 | * | |
6 | ********************************************************************** | |
7 | * | |
8 | * Date Author Summary of changes | |
9 | * ---- ------ ------------------ | |
10 | * October 20, 1999 Bertrand Lee base code release | |
11 | * November 2, 1999 Alan Cox clean up | |
12 | * | |
13 | ********************************************************************** | |
14 | * | |
15 | * This program is free software; you can redistribute it and/or | |
16 | * modify it under the terms of the GNU General Public License as | |
17 | * published by the Free Software Foundation; either version 2 of | |
18 | * the License, or (at your option) any later version. | |
19 | * | |
20 | * This program is distributed in the hope that it will be useful, | |
21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
23 | * GNU General Public License for more details. | |
24 | * | |
25 | * You should have received a copy of the GNU General Public | |
26 | * License along with this program; if not, write to the Free | |
27 | * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, | |
28 | * USA. | |
29 | * | |
30 | ********************************************************************** | |
31 | */ | |
32 | ||
33 | #include <linux/slab.h> | |
34 | #include <linux/jiffies.h> | |
35 | ||
36 | #include "hwaccess.h" | |
37 | #include "8010.h" | |
38 | #include "cardmi.h" | |
39 | #include "irqmgr.h" | |
40 | ||
41 | ||
42 | static int emu10k1_mpuin_callback(struct emu10k1_mpuin *card_mpuin, u32 msg, unsigned long data, u32 bytesvalid); | |
43 | ||
44 | static int sblive_miStateInit(struct emu10k1_mpuin *); | |
45 | static int sblive_miStateEntry(struct emu10k1_mpuin *, u8); | |
46 | static int sblive_miStateParse(struct emu10k1_mpuin *, u8); | |
47 | static int sblive_miState3Byte(struct emu10k1_mpuin *, u8); | |
48 | static int sblive_miState3ByteKey(struct emu10k1_mpuin *, u8); | |
49 | static int sblive_miState3ByteVel(struct emu10k1_mpuin *, u8); | |
50 | static int sblive_miState2Byte(struct emu10k1_mpuin *, u8); | |
51 | static int sblive_miState2ByteKey(struct emu10k1_mpuin *, u8); | |
52 | static int sblive_miStateSysCommon2(struct emu10k1_mpuin *, u8); | |
53 | static int sblive_miStateSysCommon2Key(struct emu10k1_mpuin *, u8); | |
54 | static int sblive_miStateSysCommon3(struct emu10k1_mpuin *, u8); | |
55 | static int sblive_miStateSysCommon3Key(struct emu10k1_mpuin *, u8); | |
56 | static int sblive_miStateSysCommon3Vel(struct emu10k1_mpuin *, u8); | |
57 | static int sblive_miStateSysExNorm(struct emu10k1_mpuin *, u8); | |
58 | static int sblive_miStateSysReal(struct emu10k1_mpuin *, u8); | |
59 | ||
60 | ||
61 | static struct { | |
62 | int (*Fn) (struct emu10k1_mpuin *, u8); | |
63 | } midistatefn[] = { | |
64 | ||
65 | { | |
66 | sblive_miStateParse}, { | |
67 | sblive_miState3Byte}, /* 0x8n, 0x9n, 0xAn, 0xBn, 0xEn */ | |
68 | { | |
69 | sblive_miState3ByteKey}, /* Byte 1 */ | |
70 | { | |
71 | sblive_miState3ByteVel}, /* Byte 2 */ | |
72 | { | |
73 | sblive_miState2Byte}, /* 0xCn, 0xDn */ | |
74 | { | |
75 | sblive_miState2ByteKey}, /* Byte 1 */ | |
76 | { | |
77 | sblive_miStateSysCommon2}, /* 0xF1 , 0xF3 */ | |
78 | { | |
79 | sblive_miStateSysCommon2Key}, /* 0xF1 , 0xF3, Byte 1 */ | |
80 | { | |
81 | sblive_miStateSysCommon3}, /* 0xF2 */ | |
82 | { | |
83 | sblive_miStateSysCommon3Key}, /* 0xF2 , Byte 1 */ | |
84 | { | |
85 | sblive_miStateSysCommon3Vel}, /* 0xF2 , Byte 2 */ | |
86 | { | |
87 | sblive_miStateSysExNorm}, /* 0xF0, 0xF7, Normal mode */ | |
88 | { | |
89 | sblive_miStateSysReal} /* 0xF4 - 0xF6 ,0xF8 - 0xFF */ | |
90 | }; | |
91 | ||
92 | ||
93 | /* Installs the IRQ handler for the MPU in port */ | |
94 | ||
95 | /* and initialize parameters */ | |
96 | ||
97 | int emu10k1_mpuin_open(struct emu10k1_card *card, struct midi_openinfo *openinfo) | |
98 | { | |
99 | struct emu10k1_mpuin *card_mpuin = card->mpuin; | |
100 | ||
101 | DPF(2, "emu10k1_mpuin_open\n"); | |
102 | ||
103 | if (!(card_mpuin->status & FLAGS_AVAILABLE)) | |
104 | return -1; | |
105 | ||
106 | /* Copy open info and mark channel as in use */ | |
107 | card_mpuin->openinfo = *openinfo; | |
108 | card_mpuin->status &= ~FLAGS_AVAILABLE; /* clear */ | |
109 | card_mpuin->status |= FLAGS_READY; /* set */ | |
110 | card_mpuin->status &= ~FLAGS_MIDM_STARTED; /* clear */ | |
111 | card_mpuin->firstmidiq = NULL; | |
112 | card_mpuin->lastmidiq = NULL; | |
113 | card_mpuin->qhead = 0; | |
114 | card_mpuin->qtail = 0; | |
115 | ||
116 | sblive_miStateInit(card_mpuin); | |
117 | ||
118 | emu10k1_mpu_reset(card); | |
119 | emu10k1_mpu_acquire(card); | |
120 | ||
121 | return 0; | |
122 | } | |
123 | ||
124 | int emu10k1_mpuin_close(struct emu10k1_card *card) | |
125 | { | |
126 | struct emu10k1_mpuin *card_mpuin = card->mpuin; | |
127 | ||
128 | DPF(2, "emu10k1_mpuin_close()\n"); | |
129 | ||
130 | /* Check if there are pending input SysEx buffers */ | |
131 | if (card_mpuin->firstmidiq != NULL) { | |
132 | ERROR(); | |
133 | return -1; | |
134 | } | |
135 | ||
136 | /* Disable RX interrupt */ | |
137 | emu10k1_irq_disable(card, card->is_audigy ? A_INTE_MIDIRXENABLE : INTE_MIDIRXENABLE); | |
138 | ||
139 | emu10k1_mpu_release(card); | |
140 | ||
141 | card_mpuin->status |= FLAGS_AVAILABLE; /* set */ | |
142 | card_mpuin->status &= ~FLAGS_MIDM_STARTED; /* clear */ | |
143 | ||
144 | return 0; | |
145 | } | |
146 | ||
147 | /* Adds MIDI buffer to local queue list */ | |
148 | ||
149 | int emu10k1_mpuin_add_buffer(struct emu10k1_mpuin *card_mpuin, struct midi_hdr *midihdr) | |
150 | { | |
151 | struct midi_queue *midiq; | |
152 | unsigned long flags; | |
153 | ||
154 | DPF(2, "emu10k1_mpuin_add_buffer()\n"); | |
155 | ||
156 | /* Update MIDI buffer flags */ | |
157 | midihdr->flags |= MIDIBUF_INQUEUE; /* set */ | |
158 | midihdr->flags &= ~MIDIBUF_DONE; /* clear */ | |
159 | ||
5cbded58 | 160 | if ((midiq = kmalloc(sizeof(struct midi_queue), GFP_ATOMIC)) == NULL) { |
1da177e4 LT |
161 | /* Message lost */ |
162 | return -1; | |
163 | } | |
164 | ||
165 | midiq->next = NULL; | |
166 | midiq->qtype = 1; | |
167 | midiq->length = midihdr->bufferlength; | |
168 | midiq->sizeLeft = midihdr->bufferlength; | |
169 | midiq->midibyte = midihdr->data; | |
170 | midiq->refdata = (unsigned long) midihdr; | |
171 | ||
172 | spin_lock_irqsave(&card_mpuin->lock, flags); | |
173 | ||
174 | if (card_mpuin->firstmidiq == NULL) { | |
175 | card_mpuin->firstmidiq = midiq; | |
176 | card_mpuin->lastmidiq = midiq; | |
177 | } else { | |
178 | (card_mpuin->lastmidiq)->next = midiq; | |
179 | card_mpuin->lastmidiq = midiq; | |
180 | } | |
181 | ||
182 | spin_unlock_irqrestore(&card_mpuin->lock, flags); | |
183 | ||
184 | return 0; | |
185 | } | |
186 | ||
187 | /* First set the Time Stamp if MIDI IN has not started. */ | |
188 | ||
189 | /* Then enable RX Irq. */ | |
190 | ||
191 | int emu10k1_mpuin_start(struct emu10k1_card *card) | |
192 | { | |
193 | struct emu10k1_mpuin *card_mpuin = card->mpuin; | |
194 | u8 dummy; | |
195 | ||
196 | DPF(2, "emu10k1_mpuin_start()\n"); | |
197 | ||
198 | /* Set timestamp if not set */ | |
199 | if (card_mpuin->status & FLAGS_MIDM_STARTED) { | |
200 | DPF(2, "Time Stamp not changed\n"); | |
201 | } else { | |
202 | while (!emu10k1_mpu_read_data(card, &dummy)); | |
203 | ||
204 | card_mpuin->status |= FLAGS_MIDM_STARTED; /* set */ | |
205 | ||
206 | /* Set new time stamp */ | |
207 | card_mpuin->timestart = (jiffies * 1000) / HZ; | |
208 | DPD(2, "New Time Stamp = %d\n", card_mpuin->timestart); | |
209 | ||
210 | card_mpuin->qhead = 0; | |
211 | card_mpuin->qtail = 0; | |
212 | ||
213 | emu10k1_irq_enable(card, card->is_audigy ? A_INTE_MIDIRXENABLE : INTE_MIDIRXENABLE); | |
214 | } | |
215 | ||
216 | return 0; | |
217 | } | |
218 | ||
219 | /* Disable the RX Irq. If a partial recorded buffer */ | |
220 | ||
221 | /* exist, send it up to IMIDI level. */ | |
222 | ||
223 | int emu10k1_mpuin_stop(struct emu10k1_card *card) | |
224 | { | |
225 | struct emu10k1_mpuin *card_mpuin = card->mpuin; | |
226 | struct midi_queue *midiq; | |
227 | unsigned long flags; | |
228 | ||
229 | DPF(2, "emu10k1_mpuin_stop()\n"); | |
230 | ||
231 | emu10k1_irq_disable(card, card->is_audigy ? A_INTE_MIDIRXENABLE : INTE_MIDIRXENABLE); | |
232 | ||
233 | card_mpuin->status &= ~FLAGS_MIDM_STARTED; /* clear */ | |
234 | ||
235 | if (card_mpuin->firstmidiq) { | |
236 | spin_lock_irqsave(&card_mpuin->lock, flags); | |
237 | ||
238 | midiq = card_mpuin->firstmidiq; | |
239 | if (midiq != NULL) { | |
240 | if (midiq->sizeLeft == midiq->length) | |
241 | midiq = NULL; | |
242 | else { | |
243 | card_mpuin->firstmidiq = midiq->next; | |
244 | if (card_mpuin->firstmidiq == NULL) | |
245 | card_mpuin->lastmidiq = NULL; | |
246 | } | |
247 | } | |
248 | ||
249 | spin_unlock_irqrestore(&card_mpuin->lock, flags); | |
250 | ||
251 | if (midiq) { | |
252 | emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INLONGERROR, (unsigned long) midiq, 0); | |
253 | kfree(midiq); | |
254 | } | |
255 | } | |
256 | ||
257 | return 0; | |
258 | } | |
259 | ||
260 | /* Disable the RX Irq. If any buffer */ | |
261 | ||
262 | /* exist, send it up to IMIDI level. */ | |
263 | int emu10k1_mpuin_reset(struct emu10k1_card *card) | |
264 | { | |
265 | struct emu10k1_mpuin *card_mpuin = card->mpuin; | |
266 | struct midi_queue *midiq; | |
267 | ||
268 | DPF(2, "emu10k1_mpuin_reset()\n"); | |
269 | ||
270 | emu10k1_irq_disable(card, card->is_audigy ? A_INTE_MIDIRXENABLE : INTE_MIDIRXENABLE); | |
271 | ||
272 | while (card_mpuin->firstmidiq) { | |
273 | midiq = card_mpuin->firstmidiq; | |
274 | card_mpuin->firstmidiq = midiq->next; | |
275 | ||
276 | if (midiq->sizeLeft == midiq->length) | |
277 | emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INLONGDATA, (unsigned long) midiq, 0); | |
278 | else | |
279 | emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INLONGERROR, (unsigned long) midiq, 0); | |
280 | ||
281 | kfree(midiq); | |
282 | } | |
283 | ||
284 | card_mpuin->lastmidiq = NULL; | |
285 | card_mpuin->status &= ~FLAGS_MIDM_STARTED; | |
286 | ||
287 | return 0; | |
288 | } | |
289 | ||
290 | /* Passes the message with the data back to the client */ | |
291 | ||
292 | /* via IRQ & DPC callbacks to Ring 3 */ | |
293 | static int emu10k1_mpuin_callback(struct emu10k1_mpuin *card_mpuin, u32 msg, unsigned long data, u32 bytesvalid) | |
294 | { | |
295 | unsigned long timein; | |
296 | struct midi_queue *midiq; | |
297 | unsigned long callback_msg[3]; | |
298 | struct midi_hdr *midihdr; | |
299 | ||
300 | /* Called during ISR. The data & code touched are: | |
301 | * 1. card_mpuin | |
302 | * 2. The function to be called | |
303 | */ | |
304 | ||
305 | timein = card_mpuin->timein; | |
306 | if (card_mpuin->timestart <= timein) | |
307 | callback_msg[0] = timein - card_mpuin->timestart; | |
308 | else | |
309 | callback_msg[0] = (~0x0L - card_mpuin->timestart) + timein; | |
310 | ||
311 | if (msg == ICARDMIDI_INDATA || msg == ICARDMIDI_INDATAERROR) { | |
312 | callback_msg[1] = data; | |
313 | callback_msg[2] = bytesvalid; | |
314 | DPD(2, "emu10k1_mpuin_callback: midimsg = %#lx\n", data); | |
315 | } else { | |
316 | midiq = (struct midi_queue *) data; | |
317 | midihdr = (struct midi_hdr *) midiq->refdata; | |
318 | ||
319 | callback_msg[1] = midiq->length - midiq->sizeLeft; | |
320 | callback_msg[2] = midiq->refdata; | |
321 | midihdr->flags &= ~MIDIBUF_INQUEUE; | |
322 | midihdr->flags |= MIDIBUF_DONE; | |
323 | ||
324 | midihdr->bytesrecorded = midiq->length - midiq->sizeLeft; | |
325 | } | |
326 | ||
327 | /* Notify client that Sysex buffer has been sent */ | |
328 | emu10k1_midi_callback(msg, card_mpuin->openinfo.refdata, callback_msg); | |
329 | ||
330 | return 0; | |
331 | } | |
332 | ||
333 | void emu10k1_mpuin_bh(unsigned long refdata) | |
334 | { | |
335 | u8 data; | |
336 | unsigned idx; | |
337 | struct emu10k1_mpuin *card_mpuin = (struct emu10k1_mpuin *) refdata; | |
338 | unsigned long flags; | |
339 | ||
340 | while (card_mpuin->qhead != card_mpuin->qtail) { | |
341 | spin_lock_irqsave(&card_mpuin->lock, flags); | |
342 | idx = card_mpuin->qhead; | |
343 | data = card_mpuin->midiq[idx].data; | |
344 | card_mpuin->timein = card_mpuin->midiq[idx].timein; | |
345 | idx = (idx + 1) % MIDIIN_MAX_BUFFER_SIZE; | |
346 | card_mpuin->qhead = idx; | |
347 | spin_unlock_irqrestore(&card_mpuin->lock, flags); | |
348 | ||
349 | sblive_miStateEntry(card_mpuin, data); | |
350 | } | |
351 | ||
352 | return; | |
353 | } | |
354 | ||
355 | /* IRQ callback handler routine for the MPU in port */ | |
356 | ||
357 | int emu10k1_mpuin_irqhandler(struct emu10k1_card *card) | |
358 | { | |
359 | unsigned idx; | |
360 | unsigned count; | |
361 | u8 MPUIvalue; | |
362 | struct emu10k1_mpuin *card_mpuin = card->mpuin; | |
363 | ||
364 | /* IRQ service routine. The data and code touched are: | |
365 | * 1. card_mpuin | |
366 | */ | |
367 | ||
368 | count = 0; | |
369 | idx = card_mpuin->qtail; | |
370 | ||
371 | while (1) { | |
372 | if (emu10k1_mpu_read_data(card, &MPUIvalue) < 0) { | |
373 | break; | |
374 | } else { | |
375 | ++count; | |
376 | card_mpuin->midiq[idx].data = MPUIvalue; | |
377 | card_mpuin->midiq[idx].timein = (jiffies * 1000) / HZ; | |
378 | idx = (idx + 1) % MIDIIN_MAX_BUFFER_SIZE; | |
379 | } | |
380 | } | |
381 | ||
382 | if (count) { | |
383 | card_mpuin->qtail = idx; | |
384 | ||
385 | tasklet_hi_schedule(&card_mpuin->tasklet); | |
386 | } | |
387 | ||
388 | return 0; | |
389 | } | |
390 | ||
391 | /*****************************************************************************/ | |
392 | ||
393 | /* Supporting functions for Midi-In Interpretation State Machine */ | |
394 | ||
395 | /*****************************************************************************/ | |
396 | ||
397 | /* FIXME: This should be a macro */ | |
398 | static int sblive_miStateInit(struct emu10k1_mpuin *card_mpuin) | |
399 | { | |
400 | card_mpuin->status = 0; /* For MIDI running status */ | |
401 | card_mpuin->fstatus = 0; /* For 0xFn status only */ | |
402 | card_mpuin->curstate = STIN_PARSE; | |
403 | card_mpuin->laststate = STIN_PARSE; | |
404 | card_mpuin->data = 0; | |
405 | card_mpuin->timestart = 0; | |
406 | card_mpuin->timein = 0; | |
407 | ||
408 | return 0; | |
409 | } | |
410 | ||
411 | /* FIXME: This should be a macro */ | |
412 | static int sblive_miStateEntry(struct emu10k1_mpuin *card_mpuin, u8 data) | |
413 | { | |
414 | return midistatefn[card_mpuin->curstate].Fn(card_mpuin, data); | |
415 | } | |
416 | ||
417 | static int sblive_miStateParse(struct emu10k1_mpuin *card_mpuin, u8 data) | |
418 | { | |
419 | switch (data & 0xf0) { | |
420 | case 0x80: | |
421 | case 0x90: | |
422 | case 0xA0: | |
423 | case 0xB0: | |
424 | case 0xE0: | |
425 | card_mpuin->curstate = STIN_3BYTE; | |
426 | break; | |
427 | ||
428 | case 0xC0: | |
429 | case 0xD0: | |
430 | card_mpuin->curstate = STIN_2BYTE; | |
431 | break; | |
432 | ||
433 | case 0xF0: | |
434 | /* System messages do not affect the previous running status! */ | |
435 | switch (data & 0x0f) { | |
436 | case 0x0: | |
437 | card_mpuin->laststate = card_mpuin->curstate; | |
438 | card_mpuin->curstate = STIN_SYS_EX_NORM; | |
439 | ||
440 | if (card_mpuin->firstmidiq) { | |
441 | struct midi_queue *midiq; | |
442 | ||
443 | midiq = card_mpuin->firstmidiq; | |
444 | *midiq->midibyte = data; | |
445 | --midiq->sizeLeft; | |
446 | ++midiq->midibyte; | |
447 | } | |
448 | ||
449 | return CTSTATUS_NEXT_BYTE; | |
450 | ||
451 | case 0x7: | |
452 | emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATAERROR, 0xf7, 0); | |
453 | return -1; | |
454 | ||
455 | case 0x2: | |
456 | card_mpuin->laststate = card_mpuin->curstate; | |
457 | card_mpuin->curstate = STIN_SYS_COMMON_3; | |
458 | break; | |
459 | ||
460 | case 0x1: | |
461 | case 0x3: | |
462 | card_mpuin->laststate = card_mpuin->curstate; | |
463 | card_mpuin->curstate = STIN_SYS_COMMON_2; | |
464 | break; | |
465 | ||
466 | default: | |
467 | /* includes 0xF4 - 0xF6, 0xF8 - 0xFF */ | |
468 | return midistatefn[STIN_SYS_REAL].Fn(card_mpuin, data); | |
469 | } | |
470 | ||
471 | break; | |
472 | ||
473 | default: | |
474 | DPF(2, "BUG: default case hit\n"); | |
475 | return -1; | |
476 | } | |
477 | ||
478 | return midistatefn[card_mpuin->curstate].Fn(card_mpuin, data); | |
479 | } | |
480 | ||
481 | static int sblive_miState3Byte(struct emu10k1_mpuin *card_mpuin, u8 data) | |
482 | { | |
483 | u8 temp = data & 0xf0; | |
484 | ||
485 | if (temp < 0x80) { | |
486 | return midistatefn[STIN_3BYTE_KEY].Fn(card_mpuin, data); | |
487 | } else if (temp <= 0xe0 && temp != 0xc0 && temp != 0xd0) { | |
488 | card_mpuin->status = data; | |
489 | card_mpuin->curstate = STIN_3BYTE_KEY; | |
490 | ||
491 | return CTSTATUS_NEXT_BYTE; | |
492 | } | |
493 | ||
494 | return midistatefn[STIN_PARSE].Fn(card_mpuin, data); | |
495 | } | |
496 | ||
497 | static int sblive_miState3ByteKey(struct emu10k1_mpuin *card_mpuin, u8 data) | |
498 | /* byte 1 */ | |
499 | { | |
500 | unsigned long tmp; | |
501 | ||
502 | if (data > 0x7f) { | |
503 | /* Real-time messages check */ | |
504 | if (data > 0xf7) | |
505 | return midistatefn[STIN_SYS_REAL].Fn(card_mpuin, data); | |
506 | ||
507 | /* Invalid data! */ | |
508 | DPF(2, "Invalid data!\n"); | |
509 | ||
510 | card_mpuin->curstate = STIN_PARSE; | |
511 | tmp = ((unsigned long) data) << 8; | |
512 | tmp |= (unsigned long) card_mpuin->status; | |
513 | ||
514 | emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATAERROR, tmp, 0); | |
515 | ||
516 | return -1; | |
517 | } | |
518 | ||
519 | card_mpuin->data = data; | |
520 | card_mpuin->curstate = STIN_3BYTE_VEL; | |
521 | ||
522 | return CTSTATUS_NEXT_BYTE; | |
523 | } | |
524 | ||
525 | static int sblive_miState3ByteVel(struct emu10k1_mpuin *card_mpuin, u8 data) | |
526 | /* byte 2 */ | |
527 | { | |
528 | unsigned long tmp; | |
529 | ||
530 | if (data > 0x7f) { | |
531 | /* Real-time messages check */ | |
532 | if (data > 0xf7) | |
533 | return midistatefn[STIN_SYS_REAL].Fn(card_mpuin, data); | |
534 | ||
535 | /* Invalid data! */ | |
536 | DPF(2, "Invalid data!\n"); | |
537 | ||
538 | card_mpuin->curstate = STIN_PARSE; | |
539 | tmp = ((unsigned long) data) << 8; | |
540 | tmp |= card_mpuin->data; | |
541 | tmp = tmp << 8; | |
542 | tmp |= (unsigned long) card_mpuin->status; | |
543 | ||
544 | emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATAERROR, tmp, 0); | |
545 | ||
546 | return -1; | |
547 | } | |
548 | ||
549 | card_mpuin->curstate = STIN_3BYTE; | |
550 | tmp = (unsigned long) data; | |
551 | tmp = tmp << 8; | |
552 | tmp |= (unsigned long) card_mpuin->data; | |
553 | tmp = tmp << 8; | |
554 | tmp |= (unsigned long) card_mpuin->status; | |
555 | ||
556 | emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATA, tmp, 3); | |
557 | ||
558 | return 0; | |
559 | } | |
560 | ||
561 | static int sblive_miState2Byte(struct emu10k1_mpuin *card_mpuin, u8 data) | |
562 | { | |
563 | u8 temp = data & 0xf0; | |
564 | ||
565 | if ((temp == 0xc0) || (temp == 0xd0)) { | |
566 | card_mpuin->status = data; | |
567 | card_mpuin->curstate = STIN_2BYTE_KEY; | |
568 | ||
569 | return CTSTATUS_NEXT_BYTE; | |
570 | } | |
571 | ||
572 | if (temp < 0x80) | |
573 | return midistatefn[STIN_2BYTE_KEY].Fn(card_mpuin, data); | |
574 | ||
575 | return midistatefn[STIN_PARSE].Fn(card_mpuin, data); | |
576 | } | |
577 | ||
578 | static int sblive_miState2ByteKey(struct emu10k1_mpuin *card_mpuin, u8 data) | |
579 | /* byte 1 */ | |
580 | { | |
581 | unsigned long tmp; | |
582 | ||
583 | if (data > 0x7f) { | |
584 | /* Real-time messages check */ | |
585 | if (data > 0xf7) | |
586 | return midistatefn[STIN_SYS_REAL].Fn(card_mpuin, data); | |
587 | ||
588 | /* Invalid data! */ | |
589 | DPF(2, "Invalid data!\n"); | |
590 | ||
591 | card_mpuin->curstate = STIN_PARSE; | |
592 | tmp = (unsigned long) data; | |
593 | tmp = tmp << 8; | |
594 | tmp |= (unsigned long) card_mpuin->status; | |
595 | ||
596 | emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATAERROR, tmp, 0); | |
597 | ||
598 | return -1; | |
599 | } | |
600 | ||
601 | card_mpuin->curstate = STIN_2BYTE; | |
602 | tmp = (unsigned long) data; | |
603 | tmp = tmp << 8; | |
604 | tmp |= (unsigned long) card_mpuin->status; | |
605 | ||
606 | emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATA, tmp, 2); | |
607 | ||
608 | return 0; | |
609 | } | |
610 | ||
611 | static int sblive_miStateSysCommon2(struct emu10k1_mpuin *card_mpuin, u8 data) | |
612 | { | |
613 | card_mpuin->fstatus = data; | |
614 | card_mpuin->curstate = STIN_SYS_COMMON_2_KEY; | |
615 | ||
616 | return CTSTATUS_NEXT_BYTE; | |
617 | } | |
618 | ||
619 | static int sblive_miStateSysCommon2Key(struct emu10k1_mpuin *card_mpuin, u8 data) | |
620 | /* byte 1 */ | |
621 | { | |
622 | unsigned long tmp; | |
623 | ||
624 | if (data > 0x7f) { | |
625 | /* Real-time messages check */ | |
626 | if (data > 0xf7) | |
627 | return midistatefn[STIN_SYS_REAL].Fn(card_mpuin, data); | |
628 | ||
629 | /* Invalid data! */ | |
630 | DPF(2, "Invalid data!\n"); | |
631 | ||
632 | card_mpuin->curstate = card_mpuin->laststate; | |
633 | tmp = (unsigned long) data; | |
634 | tmp = tmp << 8; | |
635 | tmp |= (unsigned long) card_mpuin->fstatus; | |
636 | ||
637 | emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATAERROR, tmp, 0); | |
638 | ||
639 | return -1; | |
640 | } | |
641 | ||
642 | card_mpuin->curstate = card_mpuin->laststate; | |
643 | tmp = (unsigned long) data; | |
644 | tmp = tmp << 8; | |
645 | tmp |= (unsigned long) card_mpuin->fstatus; | |
646 | ||
647 | emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATA, tmp, 2); | |
648 | ||
649 | return 0; | |
650 | } | |
651 | ||
652 | static int sblive_miStateSysCommon3(struct emu10k1_mpuin *card_mpuin, u8 data) | |
653 | { | |
654 | card_mpuin->fstatus = data; | |
655 | card_mpuin->curstate = STIN_SYS_COMMON_3_KEY; | |
656 | ||
657 | return CTSTATUS_NEXT_BYTE; | |
658 | } | |
659 | ||
660 | static int sblive_miStateSysCommon3Key(struct emu10k1_mpuin *card_mpuin, u8 data) | |
661 | /* byte 1 */ | |
662 | { | |
663 | unsigned long tmp; | |
664 | ||
665 | if (data > 0x7f) { | |
666 | /* Real-time messages check */ | |
667 | if (data > 0xf7) | |
668 | return midistatefn[STIN_SYS_REAL].Fn(card_mpuin, data); | |
669 | ||
670 | /* Invalid data! */ | |
671 | DPF(2, "Invalid data!\n"); | |
672 | ||
673 | card_mpuin->curstate = card_mpuin->laststate; | |
674 | tmp = (unsigned long) data; | |
675 | tmp = tmp << 8; | |
676 | tmp |= (unsigned long) card_mpuin->fstatus; | |
677 | ||
678 | emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATAERROR, tmp, 0); | |
679 | ||
680 | return -1; | |
681 | } | |
682 | ||
683 | card_mpuin->data = data; | |
684 | card_mpuin->curstate = STIN_SYS_COMMON_3_VEL; | |
685 | ||
686 | return CTSTATUS_NEXT_BYTE; | |
687 | } | |
688 | ||
689 | static int sblive_miStateSysCommon3Vel(struct emu10k1_mpuin *card_mpuin, u8 data) | |
690 | /* byte 2 */ | |
691 | { | |
692 | unsigned long tmp; | |
693 | ||
694 | if (data > 0x7f) { | |
695 | /* Real-time messages check */ | |
696 | if (data > 0xf7) | |
697 | return midistatefn[STIN_SYS_REAL].Fn(card_mpuin, data); | |
698 | ||
699 | /* Invalid data! */ | |
700 | DPF(2, "Invalid data!\n"); | |
701 | ||
702 | card_mpuin->curstate = card_mpuin->laststate; | |
703 | tmp = (unsigned long) data; | |
704 | tmp = tmp << 8; | |
705 | tmp |= (unsigned long) card_mpuin->data; | |
706 | tmp = tmp << 8; | |
707 | tmp |= (unsigned long) card_mpuin->fstatus; | |
708 | ||
709 | emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATAERROR, tmp, 0); | |
710 | ||
711 | return -1; | |
712 | } | |
713 | ||
714 | card_mpuin->curstate = card_mpuin->laststate; | |
715 | tmp = (unsigned long) data; | |
716 | tmp = tmp << 8; | |
717 | tmp |= (unsigned long) card_mpuin->data; | |
718 | tmp = tmp << 8; | |
719 | tmp |= (unsigned long) card_mpuin->fstatus; | |
720 | ||
721 | emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATA, tmp, 3); | |
722 | ||
723 | return 0; | |
724 | } | |
725 | ||
726 | static int sblive_miStateSysExNorm(struct emu10k1_mpuin *card_mpuin, u8 data) | |
727 | { | |
728 | unsigned long flags; | |
729 | ||
730 | if ((data > 0x7f) && (data != 0xf7)) { | |
731 | /* Real-time messages check */ | |
732 | if (data > 0xf7) | |
733 | return midistatefn[STIN_SYS_REAL].Fn(card_mpuin, data); | |
734 | ||
735 | /* Invalid Data! */ | |
736 | DPF(2, "Invalid data!\n"); | |
737 | ||
738 | card_mpuin->curstate = card_mpuin->laststate; | |
739 | ||
740 | if (card_mpuin->firstmidiq) { | |
741 | struct midi_queue *midiq; | |
742 | ||
743 | midiq = card_mpuin->firstmidiq; | |
744 | *midiq->midibyte = data; | |
745 | --midiq->sizeLeft; | |
746 | ++midiq->midibyte; | |
747 | ||
748 | spin_lock_irqsave(&card_mpuin->lock, flags); | |
749 | ||
750 | card_mpuin->firstmidiq = midiq->next; | |
751 | if (card_mpuin->firstmidiq == NULL) | |
752 | card_mpuin->lastmidiq = NULL; | |
753 | ||
754 | spin_unlock_irqrestore(&card_mpuin->lock, flags); | |
755 | ||
756 | emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INLONGERROR, (unsigned long) midiq, 0); | |
757 | ||
758 | kfree(midiq); | |
759 | } | |
760 | ||
761 | return -1; | |
762 | } | |
763 | ||
764 | if (card_mpuin->firstmidiq) { | |
765 | struct midi_queue *midiq; | |
766 | ||
767 | midiq = card_mpuin->firstmidiq; | |
768 | *midiq->midibyte = data; | |
769 | --midiq->sizeLeft; | |
770 | ++midiq->midibyte; | |
771 | } | |
772 | ||
773 | if (data == 0xf7) { | |
774 | /* End of Sysex buffer */ | |
775 | /* Send down the buffer */ | |
776 | ||
777 | card_mpuin->curstate = card_mpuin->laststate; | |
778 | ||
779 | if (card_mpuin->firstmidiq) { | |
780 | struct midi_queue *midiq; | |
781 | ||
782 | midiq = card_mpuin->firstmidiq; | |
783 | ||
784 | spin_lock_irqsave(&card_mpuin->lock, flags); | |
785 | ||
786 | card_mpuin->firstmidiq = midiq->next; | |
787 | if (card_mpuin->firstmidiq == NULL) | |
788 | card_mpuin->lastmidiq = NULL; | |
789 | ||
790 | spin_unlock_irqrestore(&card_mpuin->lock, flags); | |
791 | ||
792 | emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INLONGDATA, (unsigned long) midiq, 0); | |
793 | ||
794 | kfree(midiq); | |
795 | } | |
796 | ||
797 | return 0; | |
798 | } | |
799 | ||
800 | if (card_mpuin->firstmidiq) { | |
801 | struct midi_queue *midiq; | |
802 | ||
803 | midiq = card_mpuin->firstmidiq; | |
804 | ||
805 | if (midiq->sizeLeft == 0) { | |
806 | /* Special case */ | |
807 | ||
808 | spin_lock_irqsave(&card_mpuin->lock, flags); | |
809 | ||
810 | card_mpuin->firstmidiq = midiq->next; | |
811 | if (card_mpuin->firstmidiq == NULL) | |
812 | card_mpuin->lastmidiq = NULL; | |
813 | ||
814 | spin_unlock_irqrestore(&card_mpuin->lock, flags); | |
815 | ||
816 | emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INLONGDATA, (unsigned long) midiq, 0); | |
817 | ||
818 | kfree(midiq); | |
819 | ||
820 | return CTSTATUS_NEXT_BYTE; | |
821 | } | |
822 | } | |
823 | ||
824 | return CTSTATUS_NEXT_BYTE; | |
825 | } | |
826 | ||
827 | static int sblive_miStateSysReal(struct emu10k1_mpuin *card_mpuin, u8 data) | |
828 | { | |
829 | emu10k1_mpuin_callback(card_mpuin, ICARDMIDI_INDATA, data, 1); | |
830 | ||
831 | return CTSTATUS_NEXT_BYTE; | |
832 | } |