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32#include <sound/driver.h>
33#include <linux/init.h>
34#include <linux/interrupt.h>
35#include <linux/pci.h>
36#include <linux/dma-mapping.h>
37#include <linux/slab.h>
38#include <linux/moduleparam.h>
39#include <sound/core.h>
40#include <sound/initval.h>
41#include <sound/pcm.h>
42#include <sound/ac97_codec.h>
43#include <sound/info.h>
44#include <sound/rawmidi.h>
45
46MODULE_AUTHOR("Francisco Moraes <fmoraes@nc.rr.com>");
47MODULE_DESCRIPTION("EMU10K1X");
48MODULE_LICENSE("GPL");
49MODULE_SUPPORTED_DEVICE("{{Dell Creative Labs,SB Live!}");
50
51
52static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
53static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
54static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
55
56module_param_array(index, int, NULL, 0444);
57MODULE_PARM_DESC(index, "Index value for the EMU10K1X soundcard.");
58module_param_array(id, charp, NULL, 0444);
59MODULE_PARM_DESC(id, "ID string for the EMU10K1X soundcard.");
60module_param_array(enable, bool, NULL, 0444);
61MODULE_PARM_DESC(enable, "Enable the EMU10K1X soundcard.");
62
63
64
65
66
67
68
69#define PTR 0x00
70
71
72
73#define DATA 0x04
74
75#define IPR 0x08
76
77
78#define IPR_MIDITRANSBUFEMPTY 0x00000001
79#define IPR_MIDIRECVBUFEMPTY 0x00000002
80#define IPR_CH_0_LOOP 0x00000800
81#define IPR_CH_0_HALF_LOOP 0x00000100
82#define IPR_CAP_0_LOOP 0x00080000
83#define IPR_CAP_0_HALF_LOOP 0x00010000
84
85#define INTE 0x0c
86#define INTE_MIDITXENABLE 0x00000001
87#define INTE_MIDIRXENABLE 0x00000002
88#define INTE_CH_0_LOOP 0x00000800
89#define INTE_CH_0_HALF_LOOP 0x00000100
90#define INTE_CAP_0_LOOP 0x00080000
91#define INTE_CAP_0_HALF_LOOP 0x00010000
92
93#define HCFG 0x14
94
95#define HCFG_LOCKSOUNDCACHE 0x00000008
96
97#define HCFG_AUDIOENABLE 0x00000001
98
99
100#define GPIO 0x18
101
102
103#define AC97DATA 0x1c
104
105#define AC97ADDRESS 0x1e
106
107
108
109
110#define PLAYBACK_LIST_ADDR 0x00
111
112
113
114
115
116#define PLAYBACK_LIST_SIZE 0x01
117#define PLAYBACK_LIST_PTR 0x02
118#define PLAYBACK_DMA_ADDR 0x04
119#define PLAYBACK_PERIOD_SIZE 0x05
120#define PLAYBACK_POINTER 0x06
121#define PLAYBACK_UNKNOWN1 0x07
122#define PLAYBACK_UNKNOWN2 0x08
123
124
125#define CAPTURE_DMA_ADDR 0x10
126#define CAPTURE_BUFFER_SIZE 0x11
127#define CAPTURE_POINTER 0x12
128#define CAPTURE_UNKNOWN 0x13
129
130
131
132#define TRIGGER_CHANNEL 0x40
133#define TRIGGER_CHANNEL_0 0x00000001
134#define TRIGGER_CHANNEL_1 0x00000002
135#define TRIGGER_CHANNEL_2 0x00000004
136#define TRIGGER_CAPTURE 0x00000100
137
138#define ROUTING 0x41
139#define ROUTING_FRONT_LEFT 0x00000001
140#define ROUTING_FRONT_RIGHT 0x00000002
141#define ROUTING_REAR_LEFT 0x00000004
142#define ROUTING_REAR_RIGHT 0x00000008
143#define ROUTING_CENTER_LFE 0x00010000
144
145#define SPCS0 0x42
146
147#define SPCS1 0x43
148
149#define SPCS2 0x44
150
151#define SPCS_CLKACCYMASK 0x30000000
152#define SPCS_CLKACCY_1000PPM 0x00000000
153#define SPCS_CLKACCY_50PPM 0x10000000
154#define SPCS_CLKACCY_VARIABLE 0x20000000
155#define SPCS_SAMPLERATEMASK 0x0f000000
156#define SPCS_SAMPLERATE_44 0x00000000
157#define SPCS_SAMPLERATE_48 0x02000000
158#define SPCS_SAMPLERATE_32 0x03000000
159#define SPCS_CHANNELNUMMASK 0x00f00000
160#define SPCS_CHANNELNUM_UNSPEC 0x00000000
161#define SPCS_CHANNELNUM_LEFT 0x00100000
162#define SPCS_CHANNELNUM_RIGHT 0x00200000
163#define SPCS_SOURCENUMMASK 0x000f0000
164#define SPCS_SOURCENUM_UNSPEC 0x00000000
165#define SPCS_GENERATIONSTATUS 0x00008000
166#define SPCS_CATEGORYCODEMASK 0x00007f00
167#define SPCS_MODEMASK 0x000000c0
168#define SPCS_EMPHASISMASK 0x00000038
169#define SPCS_EMPHASIS_NONE 0x00000000
170#define SPCS_EMPHASIS_50_15 0x00000008
171#define SPCS_COPYRIGHT 0x00000004
172#define SPCS_NOTAUDIODATA 0x00000002
173#define SPCS_PROFESSIONAL 0x00000001
174
175#define SPDIF_SELECT 0x45
176
177
178#define MUDATA 0x47
179#define MUCMD 0x48
180#define MUSTAT MUCMD
181
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198
199struct emu10k1x_voice {
200 struct emu10k1x *emu;
201 int number;
202 int use;
203
204 struct emu10k1x_pcm *epcm;
205};
206
207struct emu10k1x_pcm {
208 struct emu10k1x *emu;
209 struct snd_pcm_substream *substream;
210 struct emu10k1x_voice *voice;
211 unsigned short running;
212};
213
214struct emu10k1x_midi {
215 struct emu10k1x *emu;
216 struct snd_rawmidi *rmidi;
217 struct snd_rawmidi_substream *substream_input;
218 struct snd_rawmidi_substream *substream_output;
219 unsigned int midi_mode;
220 spinlock_t input_lock;
221 spinlock_t output_lock;
222 spinlock_t open_lock;
223 int tx_enable, rx_enable;
224 int port;
225 int ipr_tx, ipr_rx;
226 void (*interrupt)(struct emu10k1x *emu, unsigned int status);
227};
228
229
230struct emu10k1x {
231 struct snd_card *card;
232 struct pci_dev *pci;
233
234 unsigned long port;
235 struct resource *res_port;
236 int irq;
237
238 unsigned char revision;
239 unsigned int serial;
240 unsigned short model;
241
242 spinlock_t emu_lock;
243 spinlock_t voice_lock;
244
245 struct snd_ac97 *ac97;
246 struct snd_pcm *pcm;
247
248 struct emu10k1x_voice voices[3];
249 struct emu10k1x_voice capture_voice;
250 u32 spdif_bits[3];
251
252 struct snd_dma_buffer dma_buffer;
253
254 struct emu10k1x_midi midi;
255};
256
257
258static struct snd_pcm_hardware snd_emu10k1x_playback_hw = {
259 .info = (SNDRV_PCM_INFO_MMAP |
260 SNDRV_PCM_INFO_INTERLEAVED |
261 SNDRV_PCM_INFO_BLOCK_TRANSFER |
262 SNDRV_PCM_INFO_MMAP_VALID),
263 .formats = SNDRV_PCM_FMTBIT_S16_LE,
264 .rates = SNDRV_PCM_RATE_48000,
265 .rate_min = 48000,
266 .rate_max = 48000,
267 .channels_min = 2,
268 .channels_max = 2,
269 .buffer_bytes_max = (32*1024),
270 .period_bytes_min = 64,
271 .period_bytes_max = (16*1024),
272 .periods_min = 2,
273 .periods_max = 8,
274 .fifo_size = 0,
275};
276
277static struct snd_pcm_hardware snd_emu10k1x_capture_hw = {
278 .info = (SNDRV_PCM_INFO_MMAP |
279 SNDRV_PCM_INFO_INTERLEAVED |
280 SNDRV_PCM_INFO_BLOCK_TRANSFER |
281 SNDRV_PCM_INFO_MMAP_VALID),
282 .formats = SNDRV_PCM_FMTBIT_S16_LE,
283 .rates = SNDRV_PCM_RATE_48000,
284 .rate_min = 48000,
285 .rate_max = 48000,
286 .channels_min = 2,
287 .channels_max = 2,
288 .buffer_bytes_max = (32*1024),
289 .period_bytes_min = 64,
290 .period_bytes_max = (16*1024),
291 .periods_min = 2,
292 .periods_max = 2,
293 .fifo_size = 0,
294};
295
296static unsigned int snd_emu10k1x_ptr_read(struct emu10k1x * emu,
297 unsigned int reg,
298 unsigned int chn)
299{
300 unsigned long flags;
301 unsigned int regptr, val;
302
303 regptr = (reg << 16) | chn;
304
305 spin_lock_irqsave(&emu->emu_lock, flags);
306 outl(regptr, emu->port + PTR);
307 val = inl(emu->port + DATA);
308 spin_unlock_irqrestore(&emu->emu_lock, flags);
309 return val;
310}
311
312static void snd_emu10k1x_ptr_write(struct emu10k1x *emu,
313 unsigned int reg,
314 unsigned int chn,
315 unsigned int data)
316{
317 unsigned int regptr;
318 unsigned long flags;
319
320 regptr = (reg << 16) | chn;
321
322 spin_lock_irqsave(&emu->emu_lock, flags);
323 outl(regptr, emu->port + PTR);
324 outl(data, emu->port + DATA);
325 spin_unlock_irqrestore(&emu->emu_lock, flags);
326}
327
328static void snd_emu10k1x_intr_enable(struct emu10k1x *emu, unsigned int intrenb)
329{
330 unsigned long flags;
331 unsigned int enable;
332
333 spin_lock_irqsave(&emu->emu_lock, flags);
334 enable = inl(emu->port + INTE) | intrenb;
335 outl(enable, emu->port + INTE);
336 spin_unlock_irqrestore(&emu->emu_lock, flags);
337}
338
339static void snd_emu10k1x_intr_disable(struct emu10k1x *emu, unsigned int intrenb)
340{
341 unsigned long flags;
342 unsigned int enable;
343
344 spin_lock_irqsave(&emu->emu_lock, flags);
345 enable = inl(emu->port + INTE) & ~intrenb;
346 outl(enable, emu->port + INTE);
347 spin_unlock_irqrestore(&emu->emu_lock, flags);
348}
349
350static void snd_emu10k1x_gpio_write(struct emu10k1x *emu, unsigned int value)
351{
352 unsigned long flags;
353
354 spin_lock_irqsave(&emu->emu_lock, flags);
355 outl(value, emu->port + GPIO);
356 spin_unlock_irqrestore(&emu->emu_lock, flags);
357}
358
359static void snd_emu10k1x_pcm_free_substream(struct snd_pcm_runtime *runtime)
360{
361 kfree(runtime->private_data);
362}
363
364static void snd_emu10k1x_pcm_interrupt(struct emu10k1x *emu, struct emu10k1x_voice *voice)
365{
366 struct emu10k1x_pcm *epcm;
367
368 if ((epcm = voice->epcm) == NULL)
369 return;
370 if (epcm->substream == NULL)
371 return;
372#if 0
373 snd_printk(KERN_INFO "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n",
374 epcm->substream->ops->pointer(epcm->substream),
375 snd_pcm_lib_period_bytes(epcm->substream),
376 snd_pcm_lib_buffer_bytes(epcm->substream));
377#endif
378 snd_pcm_period_elapsed(epcm->substream);
379}
380
381
382static int snd_emu10k1x_playback_open(struct snd_pcm_substream *substream)
383{
384 struct emu10k1x *chip = snd_pcm_substream_chip(substream);
385 struct emu10k1x_pcm *epcm;
386 struct snd_pcm_runtime *runtime = substream->runtime;
387 int err;
388
389 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
390 return err;
391 }
392 if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0)
393 return err;
394
395 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
396 if (epcm == NULL)
397 return -ENOMEM;
398 epcm->emu = chip;
399 epcm->substream = substream;
400
401 runtime->private_data = epcm;
402 runtime->private_free = snd_emu10k1x_pcm_free_substream;
403
404 runtime->hw = snd_emu10k1x_playback_hw;
405
406 return 0;
407}
408
409
410static int snd_emu10k1x_playback_close(struct snd_pcm_substream *substream)
411{
412 return 0;
413}
414
415
416static int snd_emu10k1x_pcm_hw_params(struct snd_pcm_substream *substream,
417 struct snd_pcm_hw_params *hw_params)
418{
419 struct snd_pcm_runtime *runtime = substream->runtime;
420 struct emu10k1x_pcm *epcm = runtime->private_data;
421
422 if (! epcm->voice) {
423 epcm->voice = &epcm->emu->voices[substream->pcm->device];
424 epcm->voice->use = 1;
425 epcm->voice->epcm = epcm;
426 }
427
428 return snd_pcm_lib_malloc_pages(substream,
429 params_buffer_bytes(hw_params));
430}
431
432
433static int snd_emu10k1x_pcm_hw_free(struct snd_pcm_substream *substream)
434{
435 struct snd_pcm_runtime *runtime = substream->runtime;
436 struct emu10k1x_pcm *epcm;
437
438 if (runtime->private_data == NULL)
439 return 0;
440
441 epcm = runtime->private_data;
442
443 if (epcm->voice) {
444 epcm->voice->use = 0;
445 epcm->voice->epcm = NULL;
446 epcm->voice = NULL;
447 }
448
449 return snd_pcm_lib_free_pages(substream);
450}
451
452
453static int snd_emu10k1x_pcm_prepare(struct snd_pcm_substream *substream)
454{
455 struct emu10k1x *emu = snd_pcm_substream_chip(substream);
456 struct snd_pcm_runtime *runtime = substream->runtime;
457 struct emu10k1x_pcm *epcm = runtime->private_data;
458 int voice = epcm->voice->number;
459 u32 *table_base = (u32 *)(emu->dma_buffer.area+1024*voice);
460 u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size);
461 int i;
462
463 for(i = 0; i < runtime->periods; i++) {
464 *table_base++=runtime->dma_addr+(i*period_size_bytes);
465 *table_base++=period_size_bytes<<16;
466 }
467
468 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_ADDR, voice, emu->dma_buffer.addr+1024*voice);
469 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_SIZE, voice, (runtime->periods - 1) << 19);
470 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_PTR, voice, 0);
471 snd_emu10k1x_ptr_write(emu, PLAYBACK_POINTER, voice, 0);
472 snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN1, voice, 0);
473 snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN2, voice, 0);
474 snd_emu10k1x_ptr_write(emu, PLAYBACK_DMA_ADDR, voice, runtime->dma_addr);
475
476 snd_emu10k1x_ptr_write(emu, PLAYBACK_PERIOD_SIZE, voice, frames_to_bytes(runtime, runtime->period_size)<<16);
477
478 return 0;
479}
480
481
482static int snd_emu10k1x_pcm_trigger(struct snd_pcm_substream *substream,
483 int cmd)
484{
485 struct emu10k1x *emu = snd_pcm_substream_chip(substream);
486 struct snd_pcm_runtime *runtime = substream->runtime;
487 struct emu10k1x_pcm *epcm = runtime->private_data;
488 int channel = epcm->voice->number;
489 int result = 0;
490
491
492
493 switch (cmd) {
494 case SNDRV_PCM_TRIGGER_START:
495 if(runtime->periods == 2)
496 snd_emu10k1x_intr_enable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel);
497 else
498 snd_emu10k1x_intr_enable(emu, INTE_CH_0_LOOP << channel);
499 epcm->running = 1;
500 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|(TRIGGER_CHANNEL_0<<channel));
501 break;
502 case SNDRV_PCM_TRIGGER_STOP:
503 epcm->running = 0;
504 snd_emu10k1x_intr_disable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel);
505 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CHANNEL_0<<channel));
506 break;
507 default:
508 result = -EINVAL;
509 break;
510 }
511 return result;
512}
513
514
515static snd_pcm_uframes_t
516snd_emu10k1x_pcm_pointer(struct snd_pcm_substream *substream)
517{
518 struct emu10k1x *emu = snd_pcm_substream_chip(substream);
519 struct snd_pcm_runtime *runtime = substream->runtime;
520 struct emu10k1x_pcm *epcm = runtime->private_data;
521 int channel = epcm->voice->number;
522 snd_pcm_uframes_t ptr = 0, ptr1 = 0, ptr2= 0,ptr3 = 0,ptr4 = 0;
523
524 if (!epcm->running)
525 return 0;
526
527 ptr3 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel);
528 ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel);
529 ptr4 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel);
530
531 if(ptr4 == 0 && ptr1 == frames_to_bytes(runtime, runtime->buffer_size))
532 return 0;
533
534 if (ptr3 != ptr4)
535 ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel);
536 ptr2 = bytes_to_frames(runtime, ptr1);
537 ptr2 += (ptr4 >> 3) * runtime->period_size;
538 ptr = ptr2;
539
540 if (ptr >= runtime->buffer_size)
541 ptr -= runtime->buffer_size;
542
543 return ptr;
544}
545
546
547static struct snd_pcm_ops snd_emu10k1x_playback_ops = {
548 .open = snd_emu10k1x_playback_open,
549 .close = snd_emu10k1x_playback_close,
550 .ioctl = snd_pcm_lib_ioctl,
551 .hw_params = snd_emu10k1x_pcm_hw_params,
552 .hw_free = snd_emu10k1x_pcm_hw_free,
553 .prepare = snd_emu10k1x_pcm_prepare,
554 .trigger = snd_emu10k1x_pcm_trigger,
555 .pointer = snd_emu10k1x_pcm_pointer,
556};
557
558
559static int snd_emu10k1x_pcm_open_capture(struct snd_pcm_substream *substream)
560{
561 struct emu10k1x *chip = snd_pcm_substream_chip(substream);
562 struct emu10k1x_pcm *epcm;
563 struct snd_pcm_runtime *runtime = substream->runtime;
564 int err;
565
566 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
567 return err;
568 if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0)
569 return err;
570
571 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
572 if (epcm == NULL)
573 return -ENOMEM;
574
575 epcm->emu = chip;
576 epcm->substream = substream;
577
578 runtime->private_data = epcm;
579 runtime->private_free = snd_emu10k1x_pcm_free_substream;
580
581 runtime->hw = snd_emu10k1x_capture_hw;
582
583 return 0;
584}
585
586
587static int snd_emu10k1x_pcm_close_capture(struct snd_pcm_substream *substream)
588{
589 return 0;
590}
591
592
593static int snd_emu10k1x_pcm_hw_params_capture(struct snd_pcm_substream *substream,
594 struct snd_pcm_hw_params *hw_params)
595{
596 struct snd_pcm_runtime *runtime = substream->runtime;
597 struct emu10k1x_pcm *epcm = runtime->private_data;
598
599 if (! epcm->voice) {
600 if (epcm->emu->capture_voice.use)
601 return -EBUSY;
602 epcm->voice = &epcm->emu->capture_voice;
603 epcm->voice->epcm = epcm;
604 epcm->voice->use = 1;
605 }
606
607 return snd_pcm_lib_malloc_pages(substream,
608 params_buffer_bytes(hw_params));
609}
610
611
612static int snd_emu10k1x_pcm_hw_free_capture(struct snd_pcm_substream *substream)
613{
614 struct snd_pcm_runtime *runtime = substream->runtime;
615
616 struct emu10k1x_pcm *epcm;
617
618 if (runtime->private_data == NULL)
619 return 0;
620 epcm = runtime->private_data;
621
622 if (epcm->voice) {
623 epcm->voice->use = 0;
624 epcm->voice->epcm = NULL;
625 epcm->voice = NULL;
626 }
627
628 return snd_pcm_lib_free_pages(substream);
629}
630
631
632static int snd_emu10k1x_pcm_prepare_capture(struct snd_pcm_substream *substream)
633{
634 struct emu10k1x *emu = snd_pcm_substream_chip(substream);
635 struct snd_pcm_runtime *runtime = substream->runtime;
636
637 snd_emu10k1x_ptr_write(emu, CAPTURE_DMA_ADDR, 0, runtime->dma_addr);
638 snd_emu10k1x_ptr_write(emu, CAPTURE_BUFFER_SIZE, 0, frames_to_bytes(runtime, runtime->buffer_size)<<16);
639 snd_emu10k1x_ptr_write(emu, CAPTURE_POINTER, 0, 0);
640 snd_emu10k1x_ptr_write(emu, CAPTURE_UNKNOWN, 0, 0);
641
642 return 0;
643}
644
645
646static int snd_emu10k1x_pcm_trigger_capture(struct snd_pcm_substream *substream,
647 int cmd)
648{
649 struct emu10k1x *emu = snd_pcm_substream_chip(substream);
650 struct snd_pcm_runtime *runtime = substream->runtime;
651 struct emu10k1x_pcm *epcm = runtime->private_data;
652 int result = 0;
653
654 switch (cmd) {
655 case SNDRV_PCM_TRIGGER_START:
656 snd_emu10k1x_intr_enable(emu, INTE_CAP_0_LOOP |
657 INTE_CAP_0_HALF_LOOP);
658 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|TRIGGER_CAPTURE);
659 epcm->running = 1;
660 break;
661 case SNDRV_PCM_TRIGGER_STOP:
662 epcm->running = 0;
663 snd_emu10k1x_intr_disable(emu, INTE_CAP_0_LOOP |
664 INTE_CAP_0_HALF_LOOP);
665 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CAPTURE));
666 break;
667 default:
668 result = -EINVAL;
669 break;
670 }
671 return result;
672}
673
674
675static snd_pcm_uframes_t
676snd_emu10k1x_pcm_pointer_capture(struct snd_pcm_substream *substream)
677{
678 struct emu10k1x *emu = snd_pcm_substream_chip(substream);
679 struct snd_pcm_runtime *runtime = substream->runtime;
680 struct emu10k1x_pcm *epcm = runtime->private_data;
681 snd_pcm_uframes_t ptr;
682
683 if (!epcm->running)
684 return 0;
685
686 ptr = bytes_to_frames(runtime, snd_emu10k1x_ptr_read(emu, CAPTURE_POINTER, 0));
687 if (ptr >= runtime->buffer_size)
688 ptr -= runtime->buffer_size;
689
690 return ptr;
691}
692
693static struct snd_pcm_ops snd_emu10k1x_capture_ops = {
694 .open = snd_emu10k1x_pcm_open_capture,
695 .close = snd_emu10k1x_pcm_close_capture,
696 .ioctl = snd_pcm_lib_ioctl,
697 .hw_params = snd_emu10k1x_pcm_hw_params_capture,
698 .hw_free = snd_emu10k1x_pcm_hw_free_capture,
699 .prepare = snd_emu10k1x_pcm_prepare_capture,
700 .trigger = snd_emu10k1x_pcm_trigger_capture,
701 .pointer = snd_emu10k1x_pcm_pointer_capture,
702};
703
704static unsigned short snd_emu10k1x_ac97_read(struct snd_ac97 *ac97,
705 unsigned short reg)
706{
707 struct emu10k1x *emu = ac97->private_data;
708 unsigned long flags;
709 unsigned short val;
710
711 spin_lock_irqsave(&emu->emu_lock, flags);
712 outb(reg, emu->port + AC97ADDRESS);
713 val = inw(emu->port + AC97DATA);
714 spin_unlock_irqrestore(&emu->emu_lock, flags);
715 return val;
716}
717
718static void snd_emu10k1x_ac97_write(struct snd_ac97 *ac97,
719 unsigned short reg, unsigned short val)
720{
721 struct emu10k1x *emu = ac97->private_data;
722 unsigned long flags;
723
724 spin_lock_irqsave(&emu->emu_lock, flags);
725 outb(reg, emu->port + AC97ADDRESS);
726 outw(val, emu->port + AC97DATA);
727 spin_unlock_irqrestore(&emu->emu_lock, flags);
728}
729
730static int snd_emu10k1x_ac97(struct emu10k1x *chip)
731{
732 struct snd_ac97_bus *pbus;
733 struct snd_ac97_template ac97;
734 int err;
735 static struct snd_ac97_bus_ops ops = {
736 .write = snd_emu10k1x_ac97_write,
737 .read = snd_emu10k1x_ac97_read,
738 };
739
740 if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus)) < 0)
741 return err;
742 pbus->no_vra = 1;
743
744 memset(&ac97, 0, sizeof(ac97));
745 ac97.private_data = chip;
746 ac97.scaps = AC97_SCAP_NO_SPDIF;
747 return snd_ac97_mixer(pbus, &ac97, &chip->ac97);
748}
749
750static int snd_emu10k1x_free(struct emu10k1x *chip)
751{
752 snd_emu10k1x_ptr_write(chip, TRIGGER_CHANNEL, 0, 0);
753
754 outl(0, chip->port + INTE);
755
756 outl(HCFG_LOCKSOUNDCACHE, chip->port + HCFG);
757
758
759 release_and_free_resource(chip->res_port);
760
761
762 if (chip->irq >= 0)
763 free_irq(chip->irq, chip);
764
765
766 if (chip->dma_buffer.area) {
767 snd_dma_free_pages(&chip->dma_buffer);
768 }
769
770 pci_disable_device(chip->pci);
771
772
773 kfree(chip);
774 return 0;
775}
776
777static int snd_emu10k1x_dev_free(struct snd_device *device)
778{
779 struct emu10k1x *chip = device->device_data;
780 return snd_emu10k1x_free(chip);
781}
782
783static irqreturn_t snd_emu10k1x_interrupt(int irq, void *dev_id)
784{
785 unsigned int status;
786
787 struct emu10k1x *chip = dev_id;
788 struct emu10k1x_voice *pvoice = chip->voices;
789 int i;
790 int mask;
791
792 status = inl(chip->port + IPR);
793
794 if (! status)
795 return IRQ_NONE;
796
797
798 if (status & (IPR_CAP_0_LOOP | IPR_CAP_0_HALF_LOOP)) {
799 struct emu10k1x_voice *pvoice = &chip->capture_voice;
800 if (pvoice->use)
801 snd_emu10k1x_pcm_interrupt(chip, pvoice);
802 else
803 snd_emu10k1x_intr_disable(chip,
804 INTE_CAP_0_LOOP |
805 INTE_CAP_0_HALF_LOOP);
806 }
807
808 mask = IPR_CH_0_LOOP|IPR_CH_0_HALF_LOOP;
809 for (i = 0; i < 3; i++) {
810 if (status & mask) {
811 if (pvoice->use)
812 snd_emu10k1x_pcm_interrupt(chip, pvoice);
813 else
814 snd_emu10k1x_intr_disable(chip, mask);
815 }
816 pvoice++;
817 mask <<= 1;
818 }
819
820 if (status & (IPR_MIDITRANSBUFEMPTY|IPR_MIDIRECVBUFEMPTY)) {
821 if (chip->midi.interrupt)
822 chip->midi.interrupt(chip, status);
823 else
824 snd_emu10k1x_intr_disable(chip, INTE_MIDITXENABLE|INTE_MIDIRXENABLE);
825 }
826
827
828 outl(status, chip->port + IPR);
829
830
831 return IRQ_HANDLED;
832}
833
834static int __devinit snd_emu10k1x_pcm(struct emu10k1x *emu, int device, struct snd_pcm **rpcm)
835{
836 struct snd_pcm *pcm;
837 int err;
838 int capture = 0;
839
840 if (rpcm)
841 *rpcm = NULL;
842 if (device == 0)
843 capture = 1;
844
845 if ((err = snd_pcm_new(emu->card, "emu10k1x", device, 1, capture, &pcm)) < 0)
846 return err;
847
848 pcm->private_data = emu;
849
850 switch(device) {
851 case 0:
852 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops);
853 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1x_capture_ops);
854 break;
855 case 1:
856 case 2:
857 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops);
858 break;
859 }
860
861 pcm->info_flags = 0;
862 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
863 switch(device) {
864 case 0:
865 strcpy(pcm->name, "EMU10K1X Front");
866 break;
867 case 1:
868 strcpy(pcm->name, "EMU10K1X Rear");
869 break;
870 case 2:
871 strcpy(pcm->name, "EMU10K1X Center/LFE");
872 break;
873 }
874 emu->pcm = pcm;
875
876 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
877 snd_dma_pci_data(emu->pci),
878 32*1024, 32*1024);
879
880 if (rpcm)
881 *rpcm = pcm;
882
883 return 0;
884}
885
886static int __devinit snd_emu10k1x_create(struct snd_card *card,
887 struct pci_dev *pci,
888 struct emu10k1x **rchip)
889{
890 struct emu10k1x *chip;
891 int err;
892 int ch;
893 static struct snd_device_ops ops = {
894 .dev_free = snd_emu10k1x_dev_free,
895 };
896
897 *rchip = NULL;
898
899 if ((err = pci_enable_device(pci)) < 0)
900 return err;
901 if (pci_set_dma_mask(pci, DMA_28BIT_MASK) < 0 ||
902 pci_set_consistent_dma_mask(pci, DMA_28BIT_MASK) < 0) {
903 snd_printk(KERN_ERR "error to set 28bit mask DMA\n");
904 pci_disable_device(pci);
905 return -ENXIO;
906 }
907
908 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
909 if (chip == NULL) {
910 pci_disable_device(pci);
911 return -ENOMEM;
912 }
913
914 chip->card = card;
915 chip->pci = pci;
916 chip->irq = -1;
917
918 spin_lock_init(&chip->emu_lock);
919 spin_lock_init(&chip->voice_lock);
920
921 chip->port = pci_resource_start(pci, 0);
922 if ((chip->res_port = request_region(chip->port, 8,
923 "EMU10K1X")) == NULL) {
924 snd_printk(KERN_ERR "emu10k1x: cannot allocate the port 0x%lx\n", chip->port);
925 snd_emu10k1x_free(chip);
926 return -EBUSY;
927 }
928
929 if (request_irq(pci->irq, snd_emu10k1x_interrupt,
930 IRQF_SHARED, "EMU10K1X", chip)) {
931 snd_printk(KERN_ERR "emu10k1x: cannot grab irq %d\n", pci->irq);
932 snd_emu10k1x_free(chip);
933 return -EBUSY;
934 }
935 chip->irq = pci->irq;
936
937 if(snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
938 4 * 1024, &chip->dma_buffer) < 0) {
939 snd_emu10k1x_free(chip);
940 return -ENOMEM;
941 }
942
943 pci_set_master(pci);
944
945 chip->revision = pci->revision;
946 pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &chip->serial);
947 pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &chip->model);
948 snd_printk(KERN_INFO "Model %04x Rev %08x Serial %08x\n", chip->model,
949 chip->revision, chip->serial);
950
951 outl(0, chip->port + INTE);
952
953 for(ch = 0; ch < 3; ch++) {
954 chip->voices[ch].emu = chip;
955 chip->voices[ch].number = ch;
956 }
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972 snd_emu10k1x_ptr_write(chip, SPCS0, 0,
973 chip->spdif_bits[0] =
974 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
975 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
976 SPCS_GENERATIONSTATUS | 0x00001200 |
977 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
978 snd_emu10k1x_ptr_write(chip, SPCS1, 0,
979 chip->spdif_bits[1] =
980 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
981 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
982 SPCS_GENERATIONSTATUS | 0x00001200 |
983 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
984 snd_emu10k1x_ptr_write(chip, SPCS2, 0,
985 chip->spdif_bits[2] =
986 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
987 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
988 SPCS_GENERATIONSTATUS | 0x00001200 |
989 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
990
991 snd_emu10k1x_ptr_write(chip, SPDIF_SELECT, 0, 0x700);
992 snd_emu10k1x_ptr_write(chip, ROUTING, 0, 0x1003F);
993 snd_emu10k1x_gpio_write(chip, 0x1080);
994
995 outl(HCFG_LOCKSOUNDCACHE|HCFG_AUDIOENABLE, chip->port+HCFG);
996
997 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL,
998 chip, &ops)) < 0) {
999 snd_emu10k1x_free(chip);
1000 return err;
1001 }
1002 *rchip = chip;
1003 return 0;
1004}
1005
1006static void snd_emu10k1x_proc_reg_read(struct snd_info_entry *entry,
1007 struct snd_info_buffer *buffer)
1008{
1009 struct emu10k1x *emu = entry->private_data;
1010 unsigned long value,value1,value2;
1011 unsigned long flags;
1012 int i;
1013
1014 snd_iprintf(buffer, "Registers:\n\n");
1015 for(i = 0; i < 0x20; i+=4) {
1016 spin_lock_irqsave(&emu->emu_lock, flags);
1017 value = inl(emu->port + i);
1018 spin_unlock_irqrestore(&emu->emu_lock, flags);
1019 snd_iprintf(buffer, "Register %02X: %08lX\n", i, value);
1020 }
1021 snd_iprintf(buffer, "\nRegisters\n\n");
1022 for(i = 0; i <= 0x48; i++) {
1023 value = snd_emu10k1x_ptr_read(emu, i, 0);
1024 if(i < 0x10 || (i >= 0x20 && i < 0x40)) {
1025 value1 = snd_emu10k1x_ptr_read(emu, i, 1);
1026 value2 = snd_emu10k1x_ptr_read(emu, i, 2);
1027 snd_iprintf(buffer, "%02X: %08lX %08lX %08lX\n", i, value, value1, value2);
1028 } else {
1029 snd_iprintf(buffer, "%02X: %08lX\n", i, value);
1030 }
1031 }
1032}
1033
1034static void snd_emu10k1x_proc_reg_write(struct snd_info_entry *entry,
1035 struct snd_info_buffer *buffer)
1036{
1037 struct emu10k1x *emu = entry->private_data;
1038 char line[64];
1039 unsigned int reg, channel_id , val;
1040
1041 while (!snd_info_get_line(buffer, line, sizeof(line))) {
1042 if (sscanf(line, "%x %x %x", ®, &channel_id, &val) != 3)
1043 continue;
1044
1045 if ((reg < 0x49) && (reg >= 0) && (val <= 0xffffffff)
1046 && (channel_id >= 0) && (channel_id <= 2) )
1047 snd_emu10k1x_ptr_write(emu, reg, channel_id, val);
1048 }
1049}
1050
1051static int __devinit snd_emu10k1x_proc_init(struct emu10k1x * emu)
1052{
1053 struct snd_info_entry *entry;
1054
1055 if(! snd_card_proc_new(emu->card, "emu10k1x_regs", &entry)) {
1056 snd_info_set_text_ops(entry, emu, snd_emu10k1x_proc_reg_read);
1057 entry->c.text.write = snd_emu10k1x_proc_reg_write;
1058 entry->mode |= S_IWUSR;
1059 entry->private_data = emu;
1060 }
1061
1062 return 0;
1063}
1064
1065#define snd_emu10k1x_shared_spdif_info snd_ctl_boolean_mono_info
1066
1067static int snd_emu10k1x_shared_spdif_get(struct snd_kcontrol *kcontrol,
1068 struct snd_ctl_elem_value *ucontrol)
1069{
1070 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
1071
1072 ucontrol->value.integer.value[0] = (snd_emu10k1x_ptr_read(emu, SPDIF_SELECT, 0) == 0x700) ? 0 : 1;
1073
1074 return 0;
1075}
1076
1077static int snd_emu10k1x_shared_spdif_put(struct snd_kcontrol *kcontrol,
1078 struct snd_ctl_elem_value *ucontrol)
1079{
1080 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
1081 unsigned int val;
1082 int change = 0;
1083
1084 val = ucontrol->value.integer.value[0] ;
1085
1086 if (val) {
1087
1088 snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x000);
1089 snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x700);
1090 snd_emu10k1x_gpio_write(emu, 0x1000);
1091 } else {
1092
1093 snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x700);
1094 snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x1003F);
1095 snd_emu10k1x_gpio_write(emu, 0x1080);
1096 }
1097 return change;
1098}
1099
1100static struct snd_kcontrol_new snd_emu10k1x_shared_spdif __devinitdata =
1101{
1102 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1103 .name = "Analog/Digital Output Jack",
1104 .info = snd_emu10k1x_shared_spdif_info,
1105 .get = snd_emu10k1x_shared_spdif_get,
1106 .put = snd_emu10k1x_shared_spdif_put
1107};
1108
1109static int snd_emu10k1x_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1110{
1111 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1112 uinfo->count = 1;
1113 return 0;
1114}
1115
1116static int snd_emu10k1x_spdif_get(struct snd_kcontrol *kcontrol,
1117 struct snd_ctl_elem_value *ucontrol)
1118{
1119 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
1120 unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1121
1122 ucontrol->value.iec958.status[0] = (emu->spdif_bits[idx] >> 0) & 0xff;
1123 ucontrol->value.iec958.status[1] = (emu->spdif_bits[idx] >> 8) & 0xff;
1124 ucontrol->value.iec958.status[2] = (emu->spdif_bits[idx] >> 16) & 0xff;
1125 ucontrol->value.iec958.status[3] = (emu->spdif_bits[idx] >> 24) & 0xff;
1126 return 0;
1127}
1128
1129static int snd_emu10k1x_spdif_get_mask(struct snd_kcontrol *kcontrol,
1130 struct snd_ctl_elem_value *ucontrol)
1131{
1132 ucontrol->value.iec958.status[0] = 0xff;
1133 ucontrol->value.iec958.status[1] = 0xff;
1134 ucontrol->value.iec958.status[2] = 0xff;
1135 ucontrol->value.iec958.status[3] = 0xff;
1136 return 0;
1137}
1138
1139static int snd_emu10k1x_spdif_put(struct snd_kcontrol *kcontrol,
1140 struct snd_ctl_elem_value *ucontrol)
1141{
1142 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
1143 unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1144 int change;
1145 unsigned int val;
1146
1147 val = (ucontrol->value.iec958.status[0] << 0) |
1148 (ucontrol->value.iec958.status[1] << 8) |
1149 (ucontrol->value.iec958.status[2] << 16) |
1150 (ucontrol->value.iec958.status[3] << 24);
1151 change = val != emu->spdif_bits[idx];
1152 if (change) {
1153 snd_emu10k1x_ptr_write(emu, SPCS0 + idx, 0, val);
1154 emu->spdif_bits[idx] = val;
1155 }
1156 return change;
1157}
1158
1159static struct snd_kcontrol_new snd_emu10k1x_spdif_mask_control =
1160{
1161 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1162 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1163 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
1164 .count = 3,
1165 .info = snd_emu10k1x_spdif_info,
1166 .get = snd_emu10k1x_spdif_get_mask
1167};
1168
1169static struct snd_kcontrol_new snd_emu10k1x_spdif_control =
1170{
1171 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1172 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1173 .count = 3,
1174 .info = snd_emu10k1x_spdif_info,
1175 .get = snd_emu10k1x_spdif_get,
1176 .put = snd_emu10k1x_spdif_put
1177};
1178
1179static int __devinit snd_emu10k1x_mixer(struct emu10k1x *emu)
1180{
1181 int err;
1182 struct snd_kcontrol *kctl;
1183 struct snd_card *card = emu->card;
1184
1185 if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_mask_control, emu)) == NULL)
1186 return -ENOMEM;
1187 if ((err = snd_ctl_add(card, kctl)))
1188 return err;
1189 if ((kctl = snd_ctl_new1(&snd_emu10k1x_shared_spdif, emu)) == NULL)
1190 return -ENOMEM;
1191 if ((err = snd_ctl_add(card, kctl)))
1192 return err;
1193 if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_control, emu)) == NULL)
1194 return -ENOMEM;
1195 if ((err = snd_ctl_add(card, kctl)))
1196 return err;
1197
1198 return 0;
1199}
1200
1201#define EMU10K1X_MIDI_MODE_INPUT (1<<0)
1202#define EMU10K1X_MIDI_MODE_OUTPUT (1<<1)
1203
1204static inline unsigned char mpu401_read(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int idx)
1205{
1206 return (unsigned char)snd_emu10k1x_ptr_read(emu, mpu->port + idx, 0);
1207}
1208
1209static inline void mpu401_write(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int data, int idx)
1210{
1211 snd_emu10k1x_ptr_write(emu, mpu->port + idx, 0, data);
1212}
1213
1214#define mpu401_write_data(emu, mpu, data) mpu401_write(emu, mpu, data, 0)
1215#define mpu401_write_cmd(emu, mpu, data) mpu401_write(emu, mpu, data, 1)
1216#define mpu401_read_data(emu, mpu) mpu401_read(emu, mpu, 0)
1217#define mpu401_read_stat(emu, mpu) mpu401_read(emu, mpu, 1)
1218
1219#define mpu401_input_avail(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x80))
1220#define mpu401_output_ready(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x40))
1221
1222#define MPU401_RESET 0xff
1223#define MPU401_ENTER_UART 0x3f
1224#define MPU401_ACK 0xfe
1225
1226static void mpu401_clear_rx(struct emu10k1x *emu, struct emu10k1x_midi *mpu)
1227{
1228 int timeout = 100000;
1229 for (; timeout > 0 && mpu401_input_avail(emu, mpu); timeout--)
1230 mpu401_read_data(emu, mpu);
1231#ifdef CONFIG_SND_DEBUG
1232 if (timeout <= 0)
1233 snd_printk(KERN_ERR "cmd: clear rx timeout (status = 0x%x)\n", mpu401_read_stat(emu, mpu));
1234#endif
1235}
1236
1237
1238
1239
1240
1241static void do_emu10k1x_midi_interrupt(struct emu10k1x *emu,
1242 struct emu10k1x_midi *midi, unsigned int status)
1243{
1244 unsigned char byte;
1245
1246 if (midi->rmidi == NULL) {
1247 snd_emu10k1x_intr_disable(emu, midi->tx_enable | midi->rx_enable);
1248 return;
1249 }
1250
1251 spin_lock(&midi->input_lock);
1252 if ((status & midi->ipr_rx) && mpu401_input_avail(emu, midi)) {
1253 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {
1254 mpu401_clear_rx(emu, midi);
1255 } else {
1256 byte = mpu401_read_data(emu, midi);
1257 if (midi->substream_input)
1258 snd_rawmidi_receive(midi->substream_input, &byte, 1);
1259 }
1260 }
1261 spin_unlock(&midi->input_lock);
1262
1263 spin_lock(&midi->output_lock);
1264 if ((status & midi->ipr_tx) && mpu401_output_ready(emu, midi)) {
1265 if (midi->substream_output &&
1266 snd_rawmidi_transmit(midi->substream_output, &byte, 1) == 1) {
1267 mpu401_write_data(emu, midi, byte);
1268 } else {
1269 snd_emu10k1x_intr_disable(emu, midi->tx_enable);
1270 }
1271 }
1272 spin_unlock(&midi->output_lock);
1273}
1274
1275static void snd_emu10k1x_midi_interrupt(struct emu10k1x *emu, unsigned int status)
1276{
1277 do_emu10k1x_midi_interrupt(emu, &emu->midi, status);
1278}
1279
1280static int snd_emu10k1x_midi_cmd(struct emu10k1x * emu,
1281 struct emu10k1x_midi *midi, unsigned char cmd, int ack)
1282{
1283 unsigned long flags;
1284 int timeout, ok;
1285
1286 spin_lock_irqsave(&midi->input_lock, flags);
1287 mpu401_write_data(emu, midi, 0x00);
1288
1289
1290 mpu401_write_cmd(emu, midi, cmd);
1291 if (ack) {
1292 ok = 0;
1293 timeout = 10000;
1294 while (!ok && timeout-- > 0) {
1295 if (mpu401_input_avail(emu, midi)) {
1296 if (mpu401_read_data(emu, midi) == MPU401_ACK)
1297 ok = 1;
1298 }
1299 }
1300 if (!ok && mpu401_read_data(emu, midi) == MPU401_ACK)
1301 ok = 1;
1302 } else {
1303 ok = 1;
1304 }
1305 spin_unlock_irqrestore(&midi->input_lock, flags);
1306 if (!ok) {
1307 snd_printk(KERN_ERR "midi_cmd: 0x%x failed at 0x%lx (status = 0x%x, data = 0x%x)!!!\n",
1308 cmd, emu->port,
1309 mpu401_read_stat(emu, midi),
1310 mpu401_read_data(emu, midi));
1311 return 1;
1312 }
1313 return 0;
1314}
1315
1316static int snd_emu10k1x_midi_input_open(struct snd_rawmidi_substream *substream)
1317{
1318 struct emu10k1x *emu;
1319 struct emu10k1x_midi *midi = substream->rmidi->private_data;
1320 unsigned long flags;
1321
1322 emu = midi->emu;
1323 snd_assert(emu, return -ENXIO);
1324 spin_lock_irqsave(&midi->open_lock, flags);
1325 midi->midi_mode |= EMU10K1X_MIDI_MODE_INPUT;
1326 midi->substream_input = substream;
1327 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) {
1328 spin_unlock_irqrestore(&midi->open_lock, flags);
1329 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1))
1330 goto error_out;
1331 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1))
1332 goto error_out;
1333 } else {
1334 spin_unlock_irqrestore(&midi->open_lock, flags);
1335 }
1336 return 0;
1337
1338error_out:
1339 return -EIO;
1340}
1341
1342static int snd_emu10k1x_midi_output_open(struct snd_rawmidi_substream *substream)
1343{
1344 struct emu10k1x *emu;
1345 struct emu10k1x_midi *midi = substream->rmidi->private_data;
1346 unsigned long flags;
1347
1348 emu = midi->emu;
1349 snd_assert(emu, return -ENXIO);
1350 spin_lock_irqsave(&midi->open_lock, flags);
1351 midi->midi_mode |= EMU10K1X_MIDI_MODE_OUTPUT;
1352 midi->substream_output = substream;
1353 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {
1354 spin_unlock_irqrestore(&midi->open_lock, flags);
1355 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1))
1356 goto error_out;
1357 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1))
1358 goto error_out;
1359 } else {
1360 spin_unlock_irqrestore(&midi->open_lock, flags);
1361 }
1362 return 0;
1363
1364error_out:
1365 return -EIO;
1366}
1367
1368static int snd_emu10k1x_midi_input_close(struct snd_rawmidi_substream *substream)
1369{
1370 struct emu10k1x *emu;
1371 struct emu10k1x_midi *midi = substream->rmidi->private_data;
1372 unsigned long flags;
1373 int err = 0;
1374
1375 emu = midi->emu;
1376 snd_assert(emu, return -ENXIO);
1377 spin_lock_irqsave(&midi->open_lock, flags);
1378 snd_emu10k1x_intr_disable(emu, midi->rx_enable);
1379 midi->midi_mode &= ~EMU10K1X_MIDI_MODE_INPUT;
1380 midi->substream_input = NULL;
1381 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) {
1382 spin_unlock_irqrestore(&midi->open_lock, flags);
1383 err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0);
1384 } else {
1385 spin_unlock_irqrestore(&midi->open_lock, flags);
1386 }
1387 return err;
1388}
1389
1390static int snd_emu10k1x_midi_output_close(struct snd_rawmidi_substream *substream)
1391{
1392 struct emu10k1x *emu;
1393 struct emu10k1x_midi *midi = substream->rmidi->private_data;
1394 unsigned long flags;
1395 int err = 0;
1396
1397 emu = midi->emu;
1398 snd_assert(emu, return -ENXIO);
1399 spin_lock_irqsave(&midi->open_lock, flags);
1400 snd_emu10k1x_intr_disable(emu, midi->tx_enable);
1401 midi->midi_mode &= ~EMU10K1X_MIDI_MODE_OUTPUT;
1402 midi->substream_output = NULL;
1403 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {
1404 spin_unlock_irqrestore(&midi->open_lock, flags);
1405 err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0);
1406 } else {
1407 spin_unlock_irqrestore(&midi->open_lock, flags);
1408 }
1409 return err;
1410}
1411
1412static void snd_emu10k1x_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
1413{
1414 struct emu10k1x *emu;
1415 struct emu10k1x_midi *midi = substream->rmidi->private_data;
1416 emu = midi->emu;
1417 snd_assert(emu, return);
1418
1419 if (up)
1420 snd_emu10k1x_intr_enable(emu, midi->rx_enable);
1421 else
1422 snd_emu10k1x_intr_disable(emu, midi->rx_enable);
1423}
1424
1425static void snd_emu10k1x_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
1426{
1427 struct emu10k1x *emu;
1428 struct emu10k1x_midi *midi = substream->rmidi->private_data;
1429 unsigned long flags;
1430
1431 emu = midi->emu;
1432 snd_assert(emu, return);
1433
1434 if (up) {
1435 int max = 4;
1436 unsigned char byte;
1437
1438
1439 spin_lock_irqsave(&midi->output_lock, flags);
1440 while (max > 0) {
1441 if (mpu401_output_ready(emu, midi)) {
1442 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT) ||
1443 snd_rawmidi_transmit(substream, &byte, 1) != 1) {
1444
1445 spin_unlock_irqrestore(&midi->output_lock, flags);
1446 return;
1447 }
1448 mpu401_write_data(emu, midi, byte);
1449 max--;
1450 } else {
1451 break;
1452 }
1453 }
1454 spin_unlock_irqrestore(&midi->output_lock, flags);
1455 snd_emu10k1x_intr_enable(emu, midi->tx_enable);
1456 } else {
1457 snd_emu10k1x_intr_disable(emu, midi->tx_enable);
1458 }
1459}
1460
1461
1462
1463
1464
1465static struct snd_rawmidi_ops snd_emu10k1x_midi_output =
1466{
1467 .open = snd_emu10k1x_midi_output_open,
1468 .close = snd_emu10k1x_midi_output_close,
1469 .trigger = snd_emu10k1x_midi_output_trigger,
1470};
1471
1472static struct snd_rawmidi_ops snd_emu10k1x_midi_input =
1473{
1474 .open = snd_emu10k1x_midi_input_open,
1475 .close = snd_emu10k1x_midi_input_close,
1476 .trigger = snd_emu10k1x_midi_input_trigger,
1477};
1478
1479static void snd_emu10k1x_midi_free(struct snd_rawmidi *rmidi)
1480{
1481 struct emu10k1x_midi *midi = rmidi->private_data;
1482 midi->interrupt = NULL;
1483 midi->rmidi = NULL;
1484}
1485
1486static int __devinit emu10k1x_midi_init(struct emu10k1x *emu,
1487 struct emu10k1x_midi *midi, int device, char *name)
1488{
1489 struct snd_rawmidi *rmidi;
1490 int err;
1491
1492 if ((err = snd_rawmidi_new(emu->card, name, device, 1, 1, &rmidi)) < 0)
1493 return err;
1494 midi->emu = emu;
1495 spin_lock_init(&midi->open_lock);
1496 spin_lock_init(&midi->input_lock);
1497 spin_lock_init(&midi->output_lock);
1498 strcpy(rmidi->name, name);
1499 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_emu10k1x_midi_output);
1500 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_emu10k1x_midi_input);
1501 rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
1502 SNDRV_RAWMIDI_INFO_INPUT |
1503 SNDRV_RAWMIDI_INFO_DUPLEX;
1504 rmidi->private_data = midi;
1505 rmidi->private_free = snd_emu10k1x_midi_free;
1506 midi->rmidi = rmidi;
1507 return 0;
1508}
1509
1510static int __devinit snd_emu10k1x_midi(struct emu10k1x *emu)
1511{
1512 struct emu10k1x_midi *midi = &emu->midi;
1513 int err;
1514
1515 if ((err = emu10k1x_midi_init(emu, midi, 0, "EMU10K1X MPU-401 (UART)")) < 0)
1516 return err;
1517
1518 midi->tx_enable = INTE_MIDITXENABLE;
1519 midi->rx_enable = INTE_MIDIRXENABLE;
1520 midi->port = MUDATA;
1521 midi->ipr_tx = IPR_MIDITRANSBUFEMPTY;
1522 midi->ipr_rx = IPR_MIDIRECVBUFEMPTY;
1523 midi->interrupt = snd_emu10k1x_midi_interrupt;
1524 return 0;
1525}
1526
1527static int __devinit snd_emu10k1x_probe(struct pci_dev *pci,
1528 const struct pci_device_id *pci_id)
1529{
1530 static int dev;
1531 struct snd_card *card;
1532 struct emu10k1x *chip;
1533 int err;
1534
1535 if (dev >= SNDRV_CARDS)
1536 return -ENODEV;
1537 if (!enable[dev]) {
1538 dev++;
1539 return -ENOENT;
1540 }
1541
1542 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
1543 if (card == NULL)
1544 return -ENOMEM;
1545
1546 if ((err = snd_emu10k1x_create(card, pci, &chip)) < 0) {
1547 snd_card_free(card);
1548 return err;
1549 }
1550
1551 if ((err = snd_emu10k1x_pcm(chip, 0, NULL)) < 0) {
1552 snd_card_free(card);
1553 return err;
1554 }
1555 if ((err = snd_emu10k1x_pcm(chip, 1, NULL)) < 0) {
1556 snd_card_free(card);
1557 return err;
1558 }
1559 if ((err = snd_emu10k1x_pcm(chip, 2, NULL)) < 0) {
1560 snd_card_free(card);
1561 return err;
1562 }
1563
1564 if ((err = snd_emu10k1x_ac97(chip)) < 0) {
1565 snd_card_free(card);
1566 return err;
1567 }
1568
1569 if ((err = snd_emu10k1x_mixer(chip)) < 0) {
1570 snd_card_free(card);
1571 return err;
1572 }
1573
1574 if ((err = snd_emu10k1x_midi(chip)) < 0) {
1575 snd_card_free(card);
1576 return err;
1577 }
1578
1579 snd_emu10k1x_proc_init(chip);
1580
1581 strcpy(card->driver, "EMU10K1X");
1582 strcpy(card->shortname, "Dell Sound Blaster Live!");
1583 sprintf(card->longname, "%s at 0x%lx irq %i",
1584 card->shortname, chip->port, chip->irq);
1585
1586 if ((err = snd_card_register(card)) < 0) {
1587 snd_card_free(card);
1588 return err;
1589 }
1590
1591 pci_set_drvdata(pci, card);
1592 dev++;
1593 return 0;
1594}
1595
1596static void __devexit snd_emu10k1x_remove(struct pci_dev *pci)
1597{
1598 snd_card_free(pci_get_drvdata(pci));
1599 pci_set_drvdata(pci, NULL);
1600}
1601
1602
1603static struct pci_device_id snd_emu10k1x_ids[] = {
1604 { 0x1102, 0x0006, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
1605 { 0, }
1606};
1607MODULE_DEVICE_TABLE(pci, snd_emu10k1x_ids);
1608
1609
1610static struct pci_driver driver = {
1611 .name = "EMU10K1X",
1612 .id_table = snd_emu10k1x_ids,
1613 .probe = snd_emu10k1x_probe,
1614 .remove = __devexit_p(snd_emu10k1x_remove),
1615};
1616
1617
1618static int __init alsa_card_emu10k1x_init(void)
1619{
1620 return pci_register_driver(&driver);
1621}
1622
1623
1624static void __exit alsa_card_emu10k1x_exit(void)
1625{
1626 pci_unregister_driver(&driver);
1627}
1628
1629module_init(alsa_card_emu10k1x_init)
1630module_exit(alsa_card_emu10k1x_exit)
1631
