1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18#include <linux/init.h>
19#include <linux/interrupt.h>
20#include <linux/pci.h>
21#include <linux/dma-mapping.h>
22#include <linux/slab.h>
23#include <linux/module.h>
24#include <sound/core.h>
25#include <sound/initval.h>
26#include <sound/pcm.h>
27#include <sound/ac97_codec.h>
28#include <sound/info.h>
29#include <sound/rawmidi.h>
30
31MODULE_AUTHOR("Francisco Moraes <fmoraes@nc.rr.com>");
32MODULE_DESCRIPTION("EMU10K1X");
33MODULE_LICENSE("GPL");
34
35
36static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
37static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
38static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
39
40module_param_array(index, int, NULL, 0444);
41MODULE_PARM_DESC(index, "Index value for the EMU10K1X soundcard.");
42module_param_array(id, charp, NULL, 0444);
43MODULE_PARM_DESC(id, "ID string for the EMU10K1X soundcard.");
44module_param_array(enable, bool, NULL, 0444);
45MODULE_PARM_DESC(enable, "Enable the EMU10K1X soundcard.");
46
47
48
49
50
51
52
53#define PTR 0x00
54
55
56
57#define DATA 0x04
58
59#define IPR 0x08
60
61
62#define IPR_MIDITRANSBUFEMPTY 0x00000001
63#define IPR_MIDIRECVBUFEMPTY 0x00000002
64#define IPR_CH_0_LOOP 0x00000800
65#define IPR_CH_0_HALF_LOOP 0x00000100
66#define IPR_CAP_0_LOOP 0x00080000
67#define IPR_CAP_0_HALF_LOOP 0x00010000
68
69#define INTE 0x0c
70#define INTE_MIDITXENABLE 0x00000001
71#define INTE_MIDIRXENABLE 0x00000002
72#define INTE_CH_0_LOOP 0x00000800
73#define INTE_CH_0_HALF_LOOP 0x00000100
74#define INTE_CAP_0_LOOP 0x00080000
75#define INTE_CAP_0_HALF_LOOP 0x00010000
76
77#define HCFG 0x14
78
79#define HCFG_LOCKSOUNDCACHE 0x00000008
80
81#define HCFG_AUDIOENABLE 0x00000001
82
83
84#define GPIO 0x18
85
86
87#define AC97DATA 0x1c
88
89#define AC97ADDRESS 0x1e
90
91
92
93
94#define PLAYBACK_LIST_ADDR 0x00
95
96
97
98
99
100#define PLAYBACK_LIST_SIZE 0x01
101#define PLAYBACK_LIST_PTR 0x02
102#define PLAYBACK_DMA_ADDR 0x04
103#define PLAYBACK_PERIOD_SIZE 0x05
104#define PLAYBACK_POINTER 0x06
105#define PLAYBACK_UNKNOWN1 0x07
106#define PLAYBACK_UNKNOWN2 0x08
107
108
109#define CAPTURE_DMA_ADDR 0x10
110#define CAPTURE_BUFFER_SIZE 0x11
111#define CAPTURE_POINTER 0x12
112#define CAPTURE_UNKNOWN 0x13
113
114
115
116#define TRIGGER_CHANNEL 0x40
117#define TRIGGER_CHANNEL_0 0x00000001
118#define TRIGGER_CHANNEL_1 0x00000002
119#define TRIGGER_CHANNEL_2 0x00000004
120#define TRIGGER_CAPTURE 0x00000100
121
122#define ROUTING 0x41
123#define ROUTING_FRONT_LEFT 0x00000001
124#define ROUTING_FRONT_RIGHT 0x00000002
125#define ROUTING_REAR_LEFT 0x00000004
126#define ROUTING_REAR_RIGHT 0x00000008
127#define ROUTING_CENTER_LFE 0x00010000
128
129#define SPCS0 0x42
130
131#define SPCS1 0x43
132
133#define SPCS2 0x44
134
135#define SPCS_CLKACCYMASK 0x30000000
136#define SPCS_CLKACCY_1000PPM 0x00000000
137#define SPCS_CLKACCY_50PPM 0x10000000
138#define SPCS_CLKACCY_VARIABLE 0x20000000
139#define SPCS_SAMPLERATEMASK 0x0f000000
140#define SPCS_SAMPLERATE_44 0x00000000
141#define SPCS_SAMPLERATE_48 0x02000000
142#define SPCS_SAMPLERATE_32 0x03000000
143#define SPCS_CHANNELNUMMASK 0x00f00000
144#define SPCS_CHANNELNUM_UNSPEC 0x00000000
145#define SPCS_CHANNELNUM_LEFT 0x00100000
146#define SPCS_CHANNELNUM_RIGHT 0x00200000
147#define SPCS_SOURCENUMMASK 0x000f0000
148#define SPCS_SOURCENUM_UNSPEC 0x00000000
149#define SPCS_GENERATIONSTATUS 0x00008000
150#define SPCS_CATEGORYCODEMASK 0x00007f00
151#define SPCS_MODEMASK 0x000000c0
152#define SPCS_EMPHASISMASK 0x00000038
153#define SPCS_EMPHASIS_NONE 0x00000000
154#define SPCS_EMPHASIS_50_15 0x00000008
155#define SPCS_COPYRIGHT 0x00000004
156#define SPCS_NOTAUDIODATA 0x00000002
157#define SPCS_PROFESSIONAL 0x00000001
158
159#define SPDIF_SELECT 0x45
160
161
162#define MUDATA 0x47
163#define MUCMD 0x48
164#define MUSTAT MUCMD
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183struct emu10k1x_voice {
184 struct emu10k1x *emu;
185 int number;
186 int use;
187
188 struct emu10k1x_pcm *epcm;
189};
190
191struct emu10k1x_pcm {
192 struct emu10k1x *emu;
193 struct snd_pcm_substream *substream;
194 struct emu10k1x_voice *voice;
195 unsigned short running;
196};
197
198struct emu10k1x_midi {
199 struct emu10k1x *emu;
200 struct snd_rawmidi *rmidi;
201 struct snd_rawmidi_substream *substream_input;
202 struct snd_rawmidi_substream *substream_output;
203 unsigned int midi_mode;
204 spinlock_t input_lock;
205 spinlock_t output_lock;
206 spinlock_t open_lock;
207 int tx_enable, rx_enable;
208 int port;
209 int ipr_tx, ipr_rx;
210 void (*interrupt)(struct emu10k1x *emu, unsigned int status);
211};
212
213
214struct emu10k1x {
215 struct snd_card *card;
216 struct pci_dev *pci;
217
218 unsigned long port;
219 int irq;
220
221 unsigned char revision;
222 unsigned int serial;
223 unsigned short model;
224
225 spinlock_t emu_lock;
226 spinlock_t voice_lock;
227
228 struct snd_ac97 *ac97;
229 struct snd_pcm *pcm;
230
231 struct emu10k1x_voice voices[3];
232 struct emu10k1x_voice capture_voice;
233 u32 spdif_bits[3];
234
235 struct snd_dma_buffer *dma_buffer;
236
237 struct emu10k1x_midi midi;
238};
239
240
241static const struct snd_pcm_hardware snd_emu10k1x_playback_hw = {
242 .info = (SNDRV_PCM_INFO_MMAP |
243 SNDRV_PCM_INFO_INTERLEAVED |
244 SNDRV_PCM_INFO_BLOCK_TRANSFER |
245 SNDRV_PCM_INFO_MMAP_VALID),
246 .formats = SNDRV_PCM_FMTBIT_S16_LE,
247 .rates = SNDRV_PCM_RATE_48000,
248 .rate_min = 48000,
249 .rate_max = 48000,
250 .channels_min = 2,
251 .channels_max = 2,
252 .buffer_bytes_max = (32*1024),
253 .period_bytes_min = 64,
254 .period_bytes_max = (16*1024),
255 .periods_min = 2,
256 .periods_max = 8,
257 .fifo_size = 0,
258};
259
260static const struct snd_pcm_hardware snd_emu10k1x_capture_hw = {
261 .info = (SNDRV_PCM_INFO_MMAP |
262 SNDRV_PCM_INFO_INTERLEAVED |
263 SNDRV_PCM_INFO_BLOCK_TRANSFER |
264 SNDRV_PCM_INFO_MMAP_VALID),
265 .formats = SNDRV_PCM_FMTBIT_S16_LE,
266 .rates = SNDRV_PCM_RATE_48000,
267 .rate_min = 48000,
268 .rate_max = 48000,
269 .channels_min = 2,
270 .channels_max = 2,
271 .buffer_bytes_max = (32*1024),
272 .period_bytes_min = 64,
273 .period_bytes_max = (16*1024),
274 .periods_min = 2,
275 .periods_max = 2,
276 .fifo_size = 0,
277};
278
279static unsigned int snd_emu10k1x_ptr_read(struct emu10k1x * emu,
280 unsigned int reg,
281 unsigned int chn)
282{
283 unsigned long flags;
284 unsigned int regptr, val;
285
286 regptr = (reg << 16) | chn;
287
288 spin_lock_irqsave(&emu->emu_lock, flags);
289 outl(regptr, emu->port + PTR);
290 val = inl(emu->port + DATA);
291 spin_unlock_irqrestore(&emu->emu_lock, flags);
292 return val;
293}
294
295static void snd_emu10k1x_ptr_write(struct emu10k1x *emu,
296 unsigned int reg,
297 unsigned int chn,
298 unsigned int data)
299{
300 unsigned int regptr;
301 unsigned long flags;
302
303 regptr = (reg << 16) | chn;
304
305 spin_lock_irqsave(&emu->emu_lock, flags);
306 outl(regptr, emu->port + PTR);
307 outl(data, emu->port + DATA);
308 spin_unlock_irqrestore(&emu->emu_lock, flags);
309}
310
311static void snd_emu10k1x_intr_enable(struct emu10k1x *emu, unsigned int intrenb)
312{
313 unsigned long flags;
314 unsigned int intr_enable;
315
316 spin_lock_irqsave(&emu->emu_lock, flags);
317 intr_enable = inl(emu->port + INTE) | intrenb;
318 outl(intr_enable, emu->port + INTE);
319 spin_unlock_irqrestore(&emu->emu_lock, flags);
320}
321
322static void snd_emu10k1x_intr_disable(struct emu10k1x *emu, unsigned int intrenb)
323{
324 unsigned long flags;
325 unsigned int intr_enable;
326
327 spin_lock_irqsave(&emu->emu_lock, flags);
328 intr_enable = inl(emu->port + INTE) & ~intrenb;
329 outl(intr_enable, emu->port + INTE);
330 spin_unlock_irqrestore(&emu->emu_lock, flags);
331}
332
333static void snd_emu10k1x_gpio_write(struct emu10k1x *emu, unsigned int value)
334{
335 unsigned long flags;
336
337 spin_lock_irqsave(&emu->emu_lock, flags);
338 outl(value, emu->port + GPIO);
339 spin_unlock_irqrestore(&emu->emu_lock, flags);
340}
341
342static void snd_emu10k1x_pcm_free_substream(struct snd_pcm_runtime *runtime)
343{
344 kfree(runtime->private_data);
345}
346
347static void snd_emu10k1x_pcm_interrupt(struct emu10k1x *emu, struct emu10k1x_voice *voice)
348{
349 struct emu10k1x_pcm *epcm;
350
351 epcm = voice->epcm;
352 if (!epcm)
353 return;
354 if (epcm->substream == NULL)
355 return;
356#if 0
357 dev_info(emu->card->dev,
358 "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n",
359 epcm->substream->ops->pointer(epcm->substream),
360 snd_pcm_lib_period_bytes(epcm->substream),
361 snd_pcm_lib_buffer_bytes(epcm->substream));
362#endif
363 snd_pcm_period_elapsed(epcm->substream);
364}
365
366
367static int snd_emu10k1x_playback_open(struct snd_pcm_substream *substream)
368{
369 struct emu10k1x *chip = snd_pcm_substream_chip(substream);
370 struct emu10k1x_pcm *epcm;
371 struct snd_pcm_runtime *runtime = substream->runtime;
372 int err;
373
374 err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
375 if (err < 0)
376 return err;
377 err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64);
378 if (err < 0)
379 return err;
380
381 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
382 if (epcm == NULL)
383 return -ENOMEM;
384 epcm->emu = chip;
385 epcm->substream = substream;
386
387 runtime->private_data = epcm;
388 runtime->private_free = snd_emu10k1x_pcm_free_substream;
389
390 runtime->hw = snd_emu10k1x_playback_hw;
391
392 return 0;
393}
394
395
396static int snd_emu10k1x_playback_close(struct snd_pcm_substream *substream)
397{
398 return 0;
399}
400
401
402static int snd_emu10k1x_pcm_hw_params(struct snd_pcm_substream *substream,
403 struct snd_pcm_hw_params *hw_params)
404{
405 struct snd_pcm_runtime *runtime = substream->runtime;
406 struct emu10k1x_pcm *epcm = runtime->private_data;
407
408 if (! epcm->voice) {
409 epcm->voice = &epcm->emu->voices[substream->pcm->device];
410 epcm->voice->use = 1;
411 epcm->voice->epcm = epcm;
412 }
413
414 return 0;
415}
416
417
418static int snd_emu10k1x_pcm_hw_free(struct snd_pcm_substream *substream)
419{
420 struct snd_pcm_runtime *runtime = substream->runtime;
421 struct emu10k1x_pcm *epcm;
422
423 if (runtime->private_data == NULL)
424 return 0;
425
426 epcm = runtime->private_data;
427
428 if (epcm->voice) {
429 epcm->voice->use = 0;
430 epcm->voice->epcm = NULL;
431 epcm->voice = NULL;
432 }
433
434 return 0;
435}
436
437
438static int snd_emu10k1x_pcm_prepare(struct snd_pcm_substream *substream)
439{
440 struct emu10k1x *emu = snd_pcm_substream_chip(substream);
441 struct snd_pcm_runtime *runtime = substream->runtime;
442 struct emu10k1x_pcm *epcm = runtime->private_data;
443 int voice = epcm->voice->number;
444 u32 *table_base = (u32 *)(emu->dma_buffer->area+1024*voice);
445 u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size);
446 int i;
447
448 for(i = 0; i < runtime->periods; i++) {
449 *table_base++=runtime->dma_addr+(i*period_size_bytes);
450 *table_base++=period_size_bytes<<16;
451 }
452
453 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_ADDR, voice, emu->dma_buffer->addr+1024*voice);
454 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_SIZE, voice, (runtime->periods - 1) << 19);
455 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_PTR, voice, 0);
456 snd_emu10k1x_ptr_write(emu, PLAYBACK_POINTER, voice, 0);
457 snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN1, voice, 0);
458 snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN2, voice, 0);
459 snd_emu10k1x_ptr_write(emu, PLAYBACK_DMA_ADDR, voice, runtime->dma_addr);
460
461 snd_emu10k1x_ptr_write(emu, PLAYBACK_PERIOD_SIZE, voice, frames_to_bytes(runtime, runtime->period_size)<<16);
462
463 return 0;
464}
465
466
467static int snd_emu10k1x_pcm_trigger(struct snd_pcm_substream *substream,
468 int cmd)
469{
470 struct emu10k1x *emu = snd_pcm_substream_chip(substream);
471 struct snd_pcm_runtime *runtime = substream->runtime;
472 struct emu10k1x_pcm *epcm = runtime->private_data;
473 int channel = epcm->voice->number;
474 int result = 0;
475
476
477
478
479
480
481
482 switch (cmd) {
483 case SNDRV_PCM_TRIGGER_START:
484 if(runtime->periods == 2)
485 snd_emu10k1x_intr_enable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel);
486 else
487 snd_emu10k1x_intr_enable(emu, INTE_CH_0_LOOP << channel);
488 epcm->running = 1;
489 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|(TRIGGER_CHANNEL_0<<channel));
490 break;
491 case SNDRV_PCM_TRIGGER_STOP:
492 epcm->running = 0;
493 snd_emu10k1x_intr_disable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel);
494 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CHANNEL_0<<channel));
495 break;
496 default:
497 result = -EINVAL;
498 break;
499 }
500 return result;
501}
502
503
504static snd_pcm_uframes_t
505snd_emu10k1x_pcm_pointer(struct snd_pcm_substream *substream)
506{
507 struct emu10k1x *emu = snd_pcm_substream_chip(substream);
508 struct snd_pcm_runtime *runtime = substream->runtime;
509 struct emu10k1x_pcm *epcm = runtime->private_data;
510 int channel = epcm->voice->number;
511 snd_pcm_uframes_t ptr = 0, ptr1 = 0, ptr2= 0,ptr3 = 0,ptr4 = 0;
512
513 if (!epcm->running)
514 return 0;
515
516 ptr3 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel);
517 ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel);
518 ptr4 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel);
519
520 if(ptr4 == 0 && ptr1 == frames_to_bytes(runtime, runtime->buffer_size))
521 return 0;
522
523 if (ptr3 != ptr4)
524 ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel);
525 ptr2 = bytes_to_frames(runtime, ptr1);
526 ptr2 += (ptr4 >> 3) * runtime->period_size;
527 ptr = ptr2;
528
529 if (ptr >= runtime->buffer_size)
530 ptr -= runtime->buffer_size;
531
532 return ptr;
533}
534
535
536static const struct snd_pcm_ops snd_emu10k1x_playback_ops = {
537 .open = snd_emu10k1x_playback_open,
538 .close = snd_emu10k1x_playback_close,
539 .hw_params = snd_emu10k1x_pcm_hw_params,
540 .hw_free = snd_emu10k1x_pcm_hw_free,
541 .prepare = snd_emu10k1x_pcm_prepare,
542 .trigger = snd_emu10k1x_pcm_trigger,
543 .pointer = snd_emu10k1x_pcm_pointer,
544};
545
546
547static int snd_emu10k1x_pcm_open_capture(struct snd_pcm_substream *substream)
548{
549 struct emu10k1x *chip = snd_pcm_substream_chip(substream);
550 struct emu10k1x_pcm *epcm;
551 struct snd_pcm_runtime *runtime = substream->runtime;
552 int err;
553
554 err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
555 if (err < 0)
556 return err;
557 err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64);
558 if (err < 0)
559 return err;
560
561 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
562 if (epcm == NULL)
563 return -ENOMEM;
564
565 epcm->emu = chip;
566 epcm->substream = substream;
567
568 runtime->private_data = epcm;
569 runtime->private_free = snd_emu10k1x_pcm_free_substream;
570
571 runtime->hw = snd_emu10k1x_capture_hw;
572
573 return 0;
574}
575
576
577static int snd_emu10k1x_pcm_close_capture(struct snd_pcm_substream *substream)
578{
579 return 0;
580}
581
582
583static int snd_emu10k1x_pcm_hw_params_capture(struct snd_pcm_substream *substream,
584 struct snd_pcm_hw_params *hw_params)
585{
586 struct snd_pcm_runtime *runtime = substream->runtime;
587 struct emu10k1x_pcm *epcm = runtime->private_data;
588
589 if (! epcm->voice) {
590 if (epcm->emu->capture_voice.use)
591 return -EBUSY;
592 epcm->voice = &epcm->emu->capture_voice;
593 epcm->voice->epcm = epcm;
594 epcm->voice->use = 1;
595 }
596
597 return 0;
598}
599
600
601static int snd_emu10k1x_pcm_hw_free_capture(struct snd_pcm_substream *substream)
602{
603 struct snd_pcm_runtime *runtime = substream->runtime;
604
605 struct emu10k1x_pcm *epcm;
606
607 if (runtime->private_data == NULL)
608 return 0;
609 epcm = runtime->private_data;
610
611 if (epcm->voice) {
612 epcm->voice->use = 0;
613 epcm->voice->epcm = NULL;
614 epcm->voice = NULL;
615 }
616
617 return 0;
618}
619
620
621static int snd_emu10k1x_pcm_prepare_capture(struct snd_pcm_substream *substream)
622{
623 struct emu10k1x *emu = snd_pcm_substream_chip(substream);
624 struct snd_pcm_runtime *runtime = substream->runtime;
625
626 snd_emu10k1x_ptr_write(emu, CAPTURE_DMA_ADDR, 0, runtime->dma_addr);
627 snd_emu10k1x_ptr_write(emu, CAPTURE_BUFFER_SIZE, 0, frames_to_bytes(runtime, runtime->buffer_size)<<16);
628 snd_emu10k1x_ptr_write(emu, CAPTURE_POINTER, 0, 0);
629 snd_emu10k1x_ptr_write(emu, CAPTURE_UNKNOWN, 0, 0);
630
631 return 0;
632}
633
634
635static int snd_emu10k1x_pcm_trigger_capture(struct snd_pcm_substream *substream,
636 int cmd)
637{
638 struct emu10k1x *emu = snd_pcm_substream_chip(substream);
639 struct snd_pcm_runtime *runtime = substream->runtime;
640 struct emu10k1x_pcm *epcm = runtime->private_data;
641 int result = 0;
642
643 switch (cmd) {
644 case SNDRV_PCM_TRIGGER_START:
645 snd_emu10k1x_intr_enable(emu, INTE_CAP_0_LOOP |
646 INTE_CAP_0_HALF_LOOP);
647 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|TRIGGER_CAPTURE);
648 epcm->running = 1;
649 break;
650 case SNDRV_PCM_TRIGGER_STOP:
651 epcm->running = 0;
652 snd_emu10k1x_intr_disable(emu, INTE_CAP_0_LOOP |
653 INTE_CAP_0_HALF_LOOP);
654 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CAPTURE));
655 break;
656 default:
657 result = -EINVAL;
658 break;
659 }
660 return result;
661}
662
663
664static snd_pcm_uframes_t
665snd_emu10k1x_pcm_pointer_capture(struct snd_pcm_substream *substream)
666{
667 struct emu10k1x *emu = snd_pcm_substream_chip(substream);
668 struct snd_pcm_runtime *runtime = substream->runtime;
669 struct emu10k1x_pcm *epcm = runtime->private_data;
670 snd_pcm_uframes_t ptr;
671
672 if (!epcm->running)
673 return 0;
674
675 ptr = bytes_to_frames(runtime, snd_emu10k1x_ptr_read(emu, CAPTURE_POINTER, 0));
676 if (ptr >= runtime->buffer_size)
677 ptr -= runtime->buffer_size;
678
679 return ptr;
680}
681
682static const struct snd_pcm_ops snd_emu10k1x_capture_ops = {
683 .open = snd_emu10k1x_pcm_open_capture,
684 .close = snd_emu10k1x_pcm_close_capture,
685 .hw_params = snd_emu10k1x_pcm_hw_params_capture,
686 .hw_free = snd_emu10k1x_pcm_hw_free_capture,
687 .prepare = snd_emu10k1x_pcm_prepare_capture,
688 .trigger = snd_emu10k1x_pcm_trigger_capture,
689 .pointer = snd_emu10k1x_pcm_pointer_capture,
690};
691
692static unsigned short snd_emu10k1x_ac97_read(struct snd_ac97 *ac97,
693 unsigned short reg)
694{
695 struct emu10k1x *emu = ac97->private_data;
696 unsigned long flags;
697 unsigned short val;
698
699 spin_lock_irqsave(&emu->emu_lock, flags);
700 outb(reg, emu->port + AC97ADDRESS);
701 val = inw(emu->port + AC97DATA);
702 spin_unlock_irqrestore(&emu->emu_lock, flags);
703 return val;
704}
705
706static void snd_emu10k1x_ac97_write(struct snd_ac97 *ac97,
707 unsigned short reg, unsigned short val)
708{
709 struct emu10k1x *emu = ac97->private_data;
710 unsigned long flags;
711
712 spin_lock_irqsave(&emu->emu_lock, flags);
713 outb(reg, emu->port + AC97ADDRESS);
714 outw(val, emu->port + AC97DATA);
715 spin_unlock_irqrestore(&emu->emu_lock, flags);
716}
717
718static int snd_emu10k1x_ac97(struct emu10k1x *chip)
719{
720 struct snd_ac97_bus *pbus;
721 struct snd_ac97_template ac97;
722 int err;
723 static const struct snd_ac97_bus_ops ops = {
724 .write = snd_emu10k1x_ac97_write,
725 .read = snd_emu10k1x_ac97_read,
726 };
727
728 err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus);
729 if (err < 0)
730 return err;
731 pbus->no_vra = 1;
732
733 memset(&ac97, 0, sizeof(ac97));
734 ac97.private_data = chip;
735 ac97.scaps = AC97_SCAP_NO_SPDIF;
736 return snd_ac97_mixer(pbus, &ac97, &chip->ac97);
737}
738
739static void snd_emu10k1x_free(struct snd_card *card)
740{
741 struct emu10k1x *chip = card->private_data;
742
743 snd_emu10k1x_ptr_write(chip, TRIGGER_CHANNEL, 0, 0);
744
745 outl(0, chip->port + INTE);
746
747 outl(HCFG_LOCKSOUNDCACHE, chip->port + HCFG);
748}
749
750static irqreturn_t snd_emu10k1x_interrupt(int irq, void *dev_id)
751{
752 unsigned int status;
753
754 struct emu10k1x *chip = dev_id;
755 struct emu10k1x_voice *pvoice = chip->voices;
756 int i;
757 int mask;
758
759 status = inl(chip->port + IPR);
760
761 if (! status)
762 return IRQ_NONE;
763
764
765 if (status & (IPR_CAP_0_LOOP | IPR_CAP_0_HALF_LOOP)) {
766 struct emu10k1x_voice *cap_voice = &chip->capture_voice;
767 if (cap_voice->use)
768 snd_emu10k1x_pcm_interrupt(chip, cap_voice);
769 else
770 snd_emu10k1x_intr_disable(chip,
771 INTE_CAP_0_LOOP |
772 INTE_CAP_0_HALF_LOOP);
773 }
774
775 mask = IPR_CH_0_LOOP|IPR_CH_0_HALF_LOOP;
776 for (i = 0; i < 3; i++) {
777 if (status & mask) {
778 if (pvoice->use)
779 snd_emu10k1x_pcm_interrupt(chip, pvoice);
780 else
781 snd_emu10k1x_intr_disable(chip, mask);
782 }
783 pvoice++;
784 mask <<= 1;
785 }
786
787 if (status & (IPR_MIDITRANSBUFEMPTY|IPR_MIDIRECVBUFEMPTY)) {
788 if (chip->midi.interrupt)
789 chip->midi.interrupt(chip, status);
790 else
791 snd_emu10k1x_intr_disable(chip, INTE_MIDITXENABLE|INTE_MIDIRXENABLE);
792 }
793
794
795 outl(status, chip->port + IPR);
796
797
798 return IRQ_HANDLED;
799}
800
801static const struct snd_pcm_chmap_elem surround_map[] = {
802 { .channels = 2,
803 .map = { SNDRV_CHMAP_RL, SNDRV_CHMAP_RR } },
804 { }
805};
806
807static const struct snd_pcm_chmap_elem clfe_map[] = {
808 { .channels = 2,
809 .map = { SNDRV_CHMAP_FC, SNDRV_CHMAP_LFE } },
810 { }
811};
812
813static int snd_emu10k1x_pcm(struct emu10k1x *emu, int device)
814{
815 struct snd_pcm *pcm;
816 const struct snd_pcm_chmap_elem *map = NULL;
817 int err;
818 int capture = 0;
819
820 if (device == 0)
821 capture = 1;
822
823 err = snd_pcm_new(emu->card, "emu10k1x", device, 1, capture, &pcm);
824 if (err < 0)
825 return err;
826
827 pcm->private_data = emu;
828
829 switch(device) {
830 case 0:
831 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops);
832 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1x_capture_ops);
833 break;
834 case 1:
835 case 2:
836 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops);
837 break;
838 }
839
840 pcm->info_flags = 0;
841 switch(device) {
842 case 0:
843 strcpy(pcm->name, "EMU10K1X Front");
844 map = snd_pcm_std_chmaps;
845 break;
846 case 1:
847 strcpy(pcm->name, "EMU10K1X Rear");
848 map = surround_map;
849 break;
850 case 2:
851 strcpy(pcm->name, "EMU10K1X Center/LFE");
852 map = clfe_map;
853 break;
854 }
855 emu->pcm = pcm;
856
857 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
858 &emu->pci->dev, 32*1024, 32*1024);
859
860 return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, map, 2,
861 1 << 2, NULL);
862}
863
864static int snd_emu10k1x_create(struct snd_card *card,
865 struct pci_dev *pci)
866{
867 struct emu10k1x *chip = card->private_data;
868 int err;
869 int ch;
870
871 err = pcim_enable_device(pci);
872 if (err < 0)
873 return err;
874
875 if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(28)) < 0) {
876 dev_err(card->dev, "error to set 28bit mask DMA\n");
877 return -ENXIO;
878 }
879
880 chip->card = card;
881 chip->pci = pci;
882 chip->irq = -1;
883
884 spin_lock_init(&chip->emu_lock);
885 spin_lock_init(&chip->voice_lock);
886
887 err = pci_request_regions(pci, "EMU10K1X");
888 if (err < 0)
889 return err;
890 chip->port = pci_resource_start(pci, 0);
891
892 if (devm_request_irq(&pci->dev, pci->irq, snd_emu10k1x_interrupt,
893 IRQF_SHARED, KBUILD_MODNAME, chip)) {
894 dev_err(card->dev, "cannot grab irq %d\n", pci->irq);
895 return -EBUSY;
896 }
897 chip->irq = pci->irq;
898 card->sync_irq = chip->irq;
899 card->private_free = snd_emu10k1x_free;
900
901 chip->dma_buffer = snd_devm_alloc_pages(&pci->dev, SNDRV_DMA_TYPE_DEV,
902 4 * 1024);
903 if (!chip->dma_buffer)
904 return -ENOMEM;
905
906 pci_set_master(pci);
907
908 chip->revision = pci->revision;
909 pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &chip->serial);
910 pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &chip->model);
911 dev_info(card->dev, "Model %04x Rev %08x Serial %08x\n", chip->model,
912 chip->revision, chip->serial);
913
914 outl(0, chip->port + INTE);
915
916 for(ch = 0; ch < 3; ch++) {
917 chip->voices[ch].emu = chip;
918 chip->voices[ch].number = ch;
919 }
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935 snd_emu10k1x_ptr_write(chip, SPCS0, 0,
936 chip->spdif_bits[0] =
937 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
938 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
939 SPCS_GENERATIONSTATUS | 0x00001200 |
940 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
941 snd_emu10k1x_ptr_write(chip, SPCS1, 0,
942 chip->spdif_bits[1] =
943 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
944 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
945 SPCS_GENERATIONSTATUS | 0x00001200 |
946 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
947 snd_emu10k1x_ptr_write(chip, SPCS2, 0,
948 chip->spdif_bits[2] =
949 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
950 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
951 SPCS_GENERATIONSTATUS | 0x00001200 |
952 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
953
954 snd_emu10k1x_ptr_write(chip, SPDIF_SELECT, 0, 0x700);
955 snd_emu10k1x_ptr_write(chip, ROUTING, 0, 0x1003F);
956 snd_emu10k1x_gpio_write(chip, 0x1080);
957
958 outl(HCFG_LOCKSOUNDCACHE|HCFG_AUDIOENABLE, chip->port+HCFG);
959
960 return 0;
961}
962
963static void snd_emu10k1x_proc_reg_read(struct snd_info_entry *entry,
964 struct snd_info_buffer *buffer)
965{
966 struct emu10k1x *emu = entry->private_data;
967 unsigned long value,value1,value2;
968 unsigned long flags;
969 int i;
970
971 snd_iprintf(buffer, "Registers:\n\n");
972 for(i = 0; i < 0x20; i+=4) {
973 spin_lock_irqsave(&emu->emu_lock, flags);
974 value = inl(emu->port + i);
975 spin_unlock_irqrestore(&emu->emu_lock, flags);
976 snd_iprintf(buffer, "Register %02X: %08lX\n", i, value);
977 }
978 snd_iprintf(buffer, "\nRegisters\n\n");
979 for(i = 0; i <= 0x48; i++) {
980 value = snd_emu10k1x_ptr_read(emu, i, 0);
981 if(i < 0x10 || (i >= 0x20 && i < 0x40)) {
982 value1 = snd_emu10k1x_ptr_read(emu, i, 1);
983 value2 = snd_emu10k1x_ptr_read(emu, i, 2);
984 snd_iprintf(buffer, "%02X: %08lX %08lX %08lX\n", i, value, value1, value2);
985 } else {
986 snd_iprintf(buffer, "%02X: %08lX\n", i, value);
987 }
988 }
989}
990
991static void snd_emu10k1x_proc_reg_write(struct snd_info_entry *entry,
992 struct snd_info_buffer *buffer)
993{
994 struct emu10k1x *emu = entry->private_data;
995 char line[64];
996 unsigned int reg, channel_id , val;
997
998 while (!snd_info_get_line(buffer, line, sizeof(line))) {
999 if (sscanf(line, "%x %x %x", ®, &channel_id, &val) != 3)
1000 continue;
1001
1002 if (reg < 0x49 && channel_id <= 2)
1003 snd_emu10k1x_ptr_write(emu, reg, channel_id, val);
1004 }
1005}
1006
1007static int snd_emu10k1x_proc_init(struct emu10k1x *emu)
1008{
1009 snd_card_rw_proc_new(emu->card, "emu10k1x_regs", emu,
1010 snd_emu10k1x_proc_reg_read,
1011 snd_emu10k1x_proc_reg_write);
1012 return 0;
1013}
1014
1015#define snd_emu10k1x_shared_spdif_info snd_ctl_boolean_mono_info
1016
1017static int snd_emu10k1x_shared_spdif_get(struct snd_kcontrol *kcontrol,
1018 struct snd_ctl_elem_value *ucontrol)
1019{
1020 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
1021
1022 ucontrol->value.integer.value[0] = (snd_emu10k1x_ptr_read(emu, SPDIF_SELECT, 0) == 0x700) ? 0 : 1;
1023
1024 return 0;
1025}
1026
1027static int snd_emu10k1x_shared_spdif_put(struct snd_kcontrol *kcontrol,
1028 struct snd_ctl_elem_value *ucontrol)
1029{
1030 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
1031 unsigned int val;
1032
1033 val = ucontrol->value.integer.value[0] ;
1034
1035 if (val) {
1036
1037 snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x000);
1038 snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x700);
1039 snd_emu10k1x_gpio_write(emu, 0x1000);
1040 } else {
1041
1042 snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x700);
1043 snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x1003F);
1044 snd_emu10k1x_gpio_write(emu, 0x1080);
1045 }
1046 return 0;
1047}
1048
1049static const struct snd_kcontrol_new snd_emu10k1x_shared_spdif =
1050{
1051 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1052 .name = "Analog/Digital Output Jack",
1053 .info = snd_emu10k1x_shared_spdif_info,
1054 .get = snd_emu10k1x_shared_spdif_get,
1055 .put = snd_emu10k1x_shared_spdif_put
1056};
1057
1058static int snd_emu10k1x_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1059{
1060 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1061 uinfo->count = 1;
1062 return 0;
1063}
1064
1065static int snd_emu10k1x_spdif_get(struct snd_kcontrol *kcontrol,
1066 struct snd_ctl_elem_value *ucontrol)
1067{
1068 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
1069 unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1070
1071 ucontrol->value.iec958.status[0] = (emu->spdif_bits[idx] >> 0) & 0xff;
1072 ucontrol->value.iec958.status[1] = (emu->spdif_bits[idx] >> 8) & 0xff;
1073 ucontrol->value.iec958.status[2] = (emu->spdif_bits[idx] >> 16) & 0xff;
1074 ucontrol->value.iec958.status[3] = (emu->spdif_bits[idx] >> 24) & 0xff;
1075 return 0;
1076}
1077
1078static int snd_emu10k1x_spdif_get_mask(struct snd_kcontrol *kcontrol,
1079 struct snd_ctl_elem_value *ucontrol)
1080{
1081 ucontrol->value.iec958.status[0] = 0xff;
1082 ucontrol->value.iec958.status[1] = 0xff;
1083 ucontrol->value.iec958.status[2] = 0xff;
1084 ucontrol->value.iec958.status[3] = 0xff;
1085 return 0;
1086}
1087
1088static int snd_emu10k1x_spdif_put(struct snd_kcontrol *kcontrol,
1089 struct snd_ctl_elem_value *ucontrol)
1090{
1091 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
1092 unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1093 int change;
1094 unsigned int val;
1095
1096 val = (ucontrol->value.iec958.status[0] << 0) |
1097 (ucontrol->value.iec958.status[1] << 8) |
1098 (ucontrol->value.iec958.status[2] << 16) |
1099 (ucontrol->value.iec958.status[3] << 24);
1100 change = val != emu->spdif_bits[idx];
1101 if (change) {
1102 snd_emu10k1x_ptr_write(emu, SPCS0 + idx, 0, val);
1103 emu->spdif_bits[idx] = val;
1104 }
1105 return change;
1106}
1107
1108static const struct snd_kcontrol_new snd_emu10k1x_spdif_mask_control =
1109{
1110 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1111 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1112 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
1113 .count = 3,
1114 .info = snd_emu10k1x_spdif_info,
1115 .get = snd_emu10k1x_spdif_get_mask
1116};
1117
1118static const struct snd_kcontrol_new snd_emu10k1x_spdif_control =
1119{
1120 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1121 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1122 .count = 3,
1123 .info = snd_emu10k1x_spdif_info,
1124 .get = snd_emu10k1x_spdif_get,
1125 .put = snd_emu10k1x_spdif_put
1126};
1127
1128static int snd_emu10k1x_mixer(struct emu10k1x *emu)
1129{
1130 int err;
1131 struct snd_kcontrol *kctl;
1132 struct snd_card *card = emu->card;
1133
1134 kctl = snd_ctl_new1(&snd_emu10k1x_spdif_mask_control, emu);
1135 if (!kctl)
1136 return -ENOMEM;
1137 err = snd_ctl_add(card, kctl);
1138 if (err)
1139 return err;
1140 kctl = snd_ctl_new1(&snd_emu10k1x_shared_spdif, emu);
1141 if (!kctl)
1142 return -ENOMEM;
1143 err = snd_ctl_add(card, kctl);
1144 if (err)
1145 return err;
1146 kctl = snd_ctl_new1(&snd_emu10k1x_spdif_control, emu);
1147 if (!kctl)
1148 return -ENOMEM;
1149 err = snd_ctl_add(card, kctl);
1150 if (err)
1151 return err;
1152
1153 return 0;
1154}
1155
1156#define EMU10K1X_MIDI_MODE_INPUT (1<<0)
1157#define EMU10K1X_MIDI_MODE_OUTPUT (1<<1)
1158
1159static inline unsigned char mpu401_read(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int idx)
1160{
1161 return (unsigned char)snd_emu10k1x_ptr_read(emu, mpu->port + idx, 0);
1162}
1163
1164static inline void mpu401_write(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int data, int idx)
1165{
1166 snd_emu10k1x_ptr_write(emu, mpu->port + idx, 0, data);
1167}
1168
1169#define mpu401_write_data(emu, mpu, data) mpu401_write(emu, mpu, data, 0)
1170#define mpu401_write_cmd(emu, mpu, data) mpu401_write(emu, mpu, data, 1)
1171#define mpu401_read_data(emu, mpu) mpu401_read(emu, mpu, 0)
1172#define mpu401_read_stat(emu, mpu) mpu401_read(emu, mpu, 1)
1173
1174#define mpu401_input_avail(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x80))
1175#define mpu401_output_ready(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x40))
1176
1177#define MPU401_RESET 0xff
1178#define MPU401_ENTER_UART 0x3f
1179#define MPU401_ACK 0xfe
1180
1181static void mpu401_clear_rx(struct emu10k1x *emu, struct emu10k1x_midi *mpu)
1182{
1183 int timeout = 100000;
1184 for (; timeout > 0 && mpu401_input_avail(emu, mpu); timeout--)
1185 mpu401_read_data(emu, mpu);
1186#ifdef CONFIG_SND_DEBUG
1187 if (timeout <= 0)
1188 dev_err(emu->card->dev,
1189 "cmd: clear rx timeout (status = 0x%x)\n",
1190 mpu401_read_stat(emu, mpu));
1191#endif
1192}
1193
1194
1195
1196
1197
1198static void do_emu10k1x_midi_interrupt(struct emu10k1x *emu,
1199 struct emu10k1x_midi *midi, unsigned int status)
1200{
1201 unsigned char byte;
1202
1203 if (midi->rmidi == NULL) {
1204 snd_emu10k1x_intr_disable(emu, midi->tx_enable | midi->rx_enable);
1205 return;
1206 }
1207
1208 spin_lock(&midi->input_lock);
1209 if ((status & midi->ipr_rx) && mpu401_input_avail(emu, midi)) {
1210 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {
1211 mpu401_clear_rx(emu, midi);
1212 } else {
1213 byte = mpu401_read_data(emu, midi);
1214 if (midi->substream_input)
1215 snd_rawmidi_receive(midi->substream_input, &byte, 1);
1216 }
1217 }
1218 spin_unlock(&midi->input_lock);
1219
1220 spin_lock(&midi->output_lock);
1221 if ((status & midi->ipr_tx) && mpu401_output_ready(emu, midi)) {
1222 if (midi->substream_output &&
1223 snd_rawmidi_transmit(midi->substream_output, &byte, 1) == 1) {
1224 mpu401_write_data(emu, midi, byte);
1225 } else {
1226 snd_emu10k1x_intr_disable(emu, midi->tx_enable);
1227 }
1228 }
1229 spin_unlock(&midi->output_lock);
1230}
1231
1232static void snd_emu10k1x_midi_interrupt(struct emu10k1x *emu, unsigned int status)
1233{
1234 do_emu10k1x_midi_interrupt(emu, &emu->midi, status);
1235}
1236
1237static int snd_emu10k1x_midi_cmd(struct emu10k1x * emu,
1238 struct emu10k1x_midi *midi, unsigned char cmd, int ack)
1239{
1240 unsigned long flags;
1241 int timeout, ok;
1242
1243 spin_lock_irqsave(&midi->input_lock, flags);
1244 mpu401_write_data(emu, midi, 0x00);
1245
1246
1247 mpu401_write_cmd(emu, midi, cmd);
1248 if (ack) {
1249 ok = 0;
1250 timeout = 10000;
1251 while (!ok && timeout-- > 0) {
1252 if (mpu401_input_avail(emu, midi)) {
1253 if (mpu401_read_data(emu, midi) == MPU401_ACK)
1254 ok = 1;
1255 }
1256 }
1257 if (!ok && mpu401_read_data(emu, midi) == MPU401_ACK)
1258 ok = 1;
1259 } else {
1260 ok = 1;
1261 }
1262 spin_unlock_irqrestore(&midi->input_lock, flags);
1263 if (!ok) {
1264 dev_err(emu->card->dev,
1265 "midi_cmd: 0x%x failed at 0x%lx (status = 0x%x, data = 0x%x)!!!\n",
1266 cmd, emu->port,
1267 mpu401_read_stat(emu, midi),
1268 mpu401_read_data(emu, midi));
1269 return 1;
1270 }
1271 return 0;
1272}
1273
1274static int snd_emu10k1x_midi_input_open(struct snd_rawmidi_substream *substream)
1275{
1276 struct emu10k1x *emu;
1277 struct emu10k1x_midi *midi = substream->rmidi->private_data;
1278 unsigned long flags;
1279
1280 emu = midi->emu;
1281 if (snd_BUG_ON(!emu))
1282 return -ENXIO;
1283 spin_lock_irqsave(&midi->open_lock, flags);
1284 midi->midi_mode |= EMU10K1X_MIDI_MODE_INPUT;
1285 midi->substream_input = substream;
1286 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) {
1287 spin_unlock_irqrestore(&midi->open_lock, flags);
1288 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1))
1289 goto error_out;
1290 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1))
1291 goto error_out;
1292 } else {
1293 spin_unlock_irqrestore(&midi->open_lock, flags);
1294 }
1295 return 0;
1296
1297error_out:
1298 return -EIO;
1299}
1300
1301static int snd_emu10k1x_midi_output_open(struct snd_rawmidi_substream *substream)
1302{
1303 struct emu10k1x *emu;
1304 struct emu10k1x_midi *midi = substream->rmidi->private_data;
1305 unsigned long flags;
1306
1307 emu = midi->emu;
1308 if (snd_BUG_ON(!emu))
1309 return -ENXIO;
1310 spin_lock_irqsave(&midi->open_lock, flags);
1311 midi->midi_mode |= EMU10K1X_MIDI_MODE_OUTPUT;
1312 midi->substream_output = substream;
1313 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {
1314 spin_unlock_irqrestore(&midi->open_lock, flags);
1315 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1))
1316 goto error_out;
1317 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1))
1318 goto error_out;
1319 } else {
1320 spin_unlock_irqrestore(&midi->open_lock, flags);
1321 }
1322 return 0;
1323
1324error_out:
1325 return -EIO;
1326}
1327
1328static int snd_emu10k1x_midi_input_close(struct snd_rawmidi_substream *substream)
1329{
1330 struct emu10k1x *emu;
1331 struct emu10k1x_midi *midi = substream->rmidi->private_data;
1332 unsigned long flags;
1333 int err = 0;
1334
1335 emu = midi->emu;
1336 if (snd_BUG_ON(!emu))
1337 return -ENXIO;
1338 spin_lock_irqsave(&midi->open_lock, flags);
1339 snd_emu10k1x_intr_disable(emu, midi->rx_enable);
1340 midi->midi_mode &= ~EMU10K1X_MIDI_MODE_INPUT;
1341 midi->substream_input = NULL;
1342 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) {
1343 spin_unlock_irqrestore(&midi->open_lock, flags);
1344 err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0);
1345 } else {
1346 spin_unlock_irqrestore(&midi->open_lock, flags);
1347 }
1348 return err;
1349}
1350
1351static int snd_emu10k1x_midi_output_close(struct snd_rawmidi_substream *substream)
1352{
1353 struct emu10k1x *emu;
1354 struct emu10k1x_midi *midi = substream->rmidi->private_data;
1355 unsigned long flags;
1356 int err = 0;
1357
1358 emu = midi->emu;
1359 if (snd_BUG_ON(!emu))
1360 return -ENXIO;
1361 spin_lock_irqsave(&midi->open_lock, flags);
1362 snd_emu10k1x_intr_disable(emu, midi->tx_enable);
1363 midi->midi_mode &= ~EMU10K1X_MIDI_MODE_OUTPUT;
1364 midi->substream_output = NULL;
1365 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {
1366 spin_unlock_irqrestore(&midi->open_lock, flags);
1367 err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0);
1368 } else {
1369 spin_unlock_irqrestore(&midi->open_lock, flags);
1370 }
1371 return err;
1372}
1373
1374static void snd_emu10k1x_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
1375{
1376 struct emu10k1x *emu;
1377 struct emu10k1x_midi *midi = substream->rmidi->private_data;
1378 emu = midi->emu;
1379 if (snd_BUG_ON(!emu))
1380 return;
1381
1382 if (up)
1383 snd_emu10k1x_intr_enable(emu, midi->rx_enable);
1384 else
1385 snd_emu10k1x_intr_disable(emu, midi->rx_enable);
1386}
1387
1388static void snd_emu10k1x_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
1389{
1390 struct emu10k1x *emu;
1391 struct emu10k1x_midi *midi = substream->rmidi->private_data;
1392 unsigned long flags;
1393
1394 emu = midi->emu;
1395 if (snd_BUG_ON(!emu))
1396 return;
1397
1398 if (up) {
1399 int max = 4;
1400 unsigned char byte;
1401
1402
1403 spin_lock_irqsave(&midi->output_lock, flags);
1404 while (max > 0) {
1405 if (mpu401_output_ready(emu, midi)) {
1406 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT) ||
1407 snd_rawmidi_transmit(substream, &byte, 1) != 1) {
1408
1409 spin_unlock_irqrestore(&midi->output_lock, flags);
1410 return;
1411 }
1412 mpu401_write_data(emu, midi, byte);
1413 max--;
1414 } else {
1415 break;
1416 }
1417 }
1418 spin_unlock_irqrestore(&midi->output_lock, flags);
1419 snd_emu10k1x_intr_enable(emu, midi->tx_enable);
1420 } else {
1421 snd_emu10k1x_intr_disable(emu, midi->tx_enable);
1422 }
1423}
1424
1425
1426
1427
1428
1429static const struct snd_rawmidi_ops snd_emu10k1x_midi_output =
1430{
1431 .open = snd_emu10k1x_midi_output_open,
1432 .close = snd_emu10k1x_midi_output_close,
1433 .trigger = snd_emu10k1x_midi_output_trigger,
1434};
1435
1436static const struct snd_rawmidi_ops snd_emu10k1x_midi_input =
1437{
1438 .open = snd_emu10k1x_midi_input_open,
1439 .close = snd_emu10k1x_midi_input_close,
1440 .trigger = snd_emu10k1x_midi_input_trigger,
1441};
1442
1443static void snd_emu10k1x_midi_free(struct snd_rawmidi *rmidi)
1444{
1445 struct emu10k1x_midi *midi = rmidi->private_data;
1446 midi->interrupt = NULL;
1447 midi->rmidi = NULL;
1448}
1449
1450static int emu10k1x_midi_init(struct emu10k1x *emu,
1451 struct emu10k1x_midi *midi, int device,
1452 char *name)
1453{
1454 struct snd_rawmidi *rmidi;
1455 int err;
1456
1457 err = snd_rawmidi_new(emu->card, name, device, 1, 1, &rmidi);
1458 if (err < 0)
1459 return err;
1460 midi->emu = emu;
1461 spin_lock_init(&midi->open_lock);
1462 spin_lock_init(&midi->input_lock);
1463 spin_lock_init(&midi->output_lock);
1464 strcpy(rmidi->name, name);
1465 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_emu10k1x_midi_output);
1466 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_emu10k1x_midi_input);
1467 rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
1468 SNDRV_RAWMIDI_INFO_INPUT |
1469 SNDRV_RAWMIDI_INFO_DUPLEX;
1470 rmidi->private_data = midi;
1471 rmidi->private_free = snd_emu10k1x_midi_free;
1472 midi->rmidi = rmidi;
1473 return 0;
1474}
1475
1476static int snd_emu10k1x_midi(struct emu10k1x *emu)
1477{
1478 struct emu10k1x_midi *midi = &emu->midi;
1479 int err;
1480
1481 err = emu10k1x_midi_init(emu, midi, 0, "EMU10K1X MPU-401 (UART)");
1482 if (err < 0)
1483 return err;
1484
1485 midi->tx_enable = INTE_MIDITXENABLE;
1486 midi->rx_enable = INTE_MIDIRXENABLE;
1487 midi->port = MUDATA;
1488 midi->ipr_tx = IPR_MIDITRANSBUFEMPTY;
1489 midi->ipr_rx = IPR_MIDIRECVBUFEMPTY;
1490 midi->interrupt = snd_emu10k1x_midi_interrupt;
1491 return 0;
1492}
1493
1494static int snd_emu10k1x_probe(struct pci_dev *pci,
1495 const struct pci_device_id *pci_id)
1496{
1497 static int dev;
1498 struct snd_card *card;
1499 struct emu10k1x *chip;
1500 int err;
1501
1502 if (dev >= SNDRV_CARDS)
1503 return -ENODEV;
1504 if (!enable[dev]) {
1505 dev++;
1506 return -ENOENT;
1507 }
1508
1509 err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1510 sizeof(*chip), &card);
1511 if (err < 0)
1512 return err;
1513 chip = card->private_data;
1514
1515 err = snd_emu10k1x_create(card, pci);
1516 if (err < 0)
1517 return err;
1518
1519 err = snd_emu10k1x_pcm(chip, 0);
1520 if (err < 0)
1521 return err;
1522 err = snd_emu10k1x_pcm(chip, 1);
1523 if (err < 0)
1524 return err;
1525 err = snd_emu10k1x_pcm(chip, 2);
1526 if (err < 0)
1527 return err;
1528
1529 err = snd_emu10k1x_ac97(chip);
1530 if (err < 0)
1531 return err;
1532
1533 err = snd_emu10k1x_mixer(chip);
1534 if (err < 0)
1535 return err;
1536
1537 err = snd_emu10k1x_midi(chip);
1538 if (err < 0)
1539 return err;
1540
1541 snd_emu10k1x_proc_init(chip);
1542
1543 strcpy(card->driver, "EMU10K1X");
1544 strcpy(card->shortname, "Dell Sound Blaster Live!");
1545 sprintf(card->longname, "%s at 0x%lx irq %i",
1546 card->shortname, chip->port, chip->irq);
1547
1548 err = snd_card_register(card);
1549 if (err < 0)
1550 return err;
1551
1552 pci_set_drvdata(pci, card);
1553 dev++;
1554 return 0;
1555}
1556
1557
1558static const struct pci_device_id snd_emu10k1x_ids[] = {
1559 { PCI_VDEVICE(CREATIVE, 0x0006), 0 },
1560 { 0, }
1561};
1562MODULE_DEVICE_TABLE(pci, snd_emu10k1x_ids);
1563
1564
1565static struct pci_driver emu10k1x_driver = {
1566 .name = KBUILD_MODNAME,
1567 .id_table = snd_emu10k1x_ids,
1568 .probe = snd_emu10k1x_probe,
1569};
1570
1571module_pci_driver(emu10k1x_driver);
1572
