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32#include <linux/init.h>
33#include <linux/interrupt.h>
34#include <linux/pci.h>
35#include <linux/dma-mapping.h>
36#include <linux/slab.h>
37#include <linux/module.h>
38#include <sound/core.h>
39#include <sound/initval.h>
40#include <sound/pcm.h>
41#include <sound/ac97_codec.h>
42#include <sound/info.h>
43#include <sound/rawmidi.h>
44
45MODULE_AUTHOR("Francisco Moraes <fmoraes@nc.rr.com>");
46MODULE_DESCRIPTION("EMU10K1X");
47MODULE_LICENSE("GPL");
48MODULE_SUPPORTED_DEVICE("{{Dell Creative Labs,SB Live!}");
49
50
51static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
52static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
53static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
54
55module_param_array(index, int, NULL, 0444);
56MODULE_PARM_DESC(index, "Index value for the EMU10K1X soundcard.");
57module_param_array(id, charp, NULL, 0444);
58MODULE_PARM_DESC(id, "ID string for the EMU10K1X soundcard.");
59module_param_array(enable, bool, NULL, 0444);
60MODULE_PARM_DESC(enable, "Enable the EMU10K1X soundcard.");
61
62
63
64
65
66
67
68#define PTR 0x00
69
70
71
72#define DATA 0x04
73
74#define IPR 0x08
75
76
77#define IPR_MIDITRANSBUFEMPTY 0x00000001
78#define IPR_MIDIRECVBUFEMPTY 0x00000002
79#define IPR_CH_0_LOOP 0x00000800
80#define IPR_CH_0_HALF_LOOP 0x00000100
81#define IPR_CAP_0_LOOP 0x00080000
82#define IPR_CAP_0_HALF_LOOP 0x00010000
83
84#define INTE 0x0c
85#define INTE_MIDITXENABLE 0x00000001
86#define INTE_MIDIRXENABLE 0x00000002
87#define INTE_CH_0_LOOP 0x00000800
88#define INTE_CH_0_HALF_LOOP 0x00000100
89#define INTE_CAP_0_LOOP 0x00080000
90#define INTE_CAP_0_HALF_LOOP 0x00010000
91
92#define HCFG 0x14
93
94#define HCFG_LOCKSOUNDCACHE 0x00000008
95
96#define HCFG_AUDIOENABLE 0x00000001
97
98
99#define GPIO 0x18
100
101
102#define AC97DATA 0x1c
103
104#define AC97ADDRESS 0x1e
105
106
107
108
109#define PLAYBACK_LIST_ADDR 0x00
110
111
112
113
114
115#define PLAYBACK_LIST_SIZE 0x01
116#define PLAYBACK_LIST_PTR 0x02
117#define PLAYBACK_DMA_ADDR 0x04
118#define PLAYBACK_PERIOD_SIZE 0x05
119#define PLAYBACK_POINTER 0x06
120#define PLAYBACK_UNKNOWN1 0x07
121#define PLAYBACK_UNKNOWN2 0x08
122
123
124#define CAPTURE_DMA_ADDR 0x10
125#define CAPTURE_BUFFER_SIZE 0x11
126#define CAPTURE_POINTER 0x12
127#define CAPTURE_UNKNOWN 0x13
128
129
130
131#define TRIGGER_CHANNEL 0x40
132#define TRIGGER_CHANNEL_0 0x00000001
133#define TRIGGER_CHANNEL_1 0x00000002
134#define TRIGGER_CHANNEL_2 0x00000004
135#define TRIGGER_CAPTURE 0x00000100
136
137#define ROUTING 0x41
138#define ROUTING_FRONT_LEFT 0x00000001
139#define ROUTING_FRONT_RIGHT 0x00000002
140#define ROUTING_REAR_LEFT 0x00000004
141#define ROUTING_REAR_RIGHT 0x00000008
142#define ROUTING_CENTER_LFE 0x00010000
143
144#define SPCS0 0x42
145
146#define SPCS1 0x43
147
148#define SPCS2 0x44
149
150#define SPCS_CLKACCYMASK 0x30000000
151#define SPCS_CLKACCY_1000PPM 0x00000000
152#define SPCS_CLKACCY_50PPM 0x10000000
153#define SPCS_CLKACCY_VARIABLE 0x20000000
154#define SPCS_SAMPLERATEMASK 0x0f000000
155#define SPCS_SAMPLERATE_44 0x00000000
156#define SPCS_SAMPLERATE_48 0x02000000
157#define SPCS_SAMPLERATE_32 0x03000000
158#define SPCS_CHANNELNUMMASK 0x00f00000
159#define SPCS_CHANNELNUM_UNSPEC 0x00000000
160#define SPCS_CHANNELNUM_LEFT 0x00100000
161#define SPCS_CHANNELNUM_RIGHT 0x00200000
162#define SPCS_SOURCENUMMASK 0x000f0000
163#define SPCS_SOURCENUM_UNSPEC 0x00000000
164#define SPCS_GENERATIONSTATUS 0x00008000
165#define SPCS_CATEGORYCODEMASK 0x00007f00
166#define SPCS_MODEMASK 0x000000c0
167#define SPCS_EMPHASISMASK 0x00000038
168#define SPCS_EMPHASIS_NONE 0x00000000
169#define SPCS_EMPHASIS_50_15 0x00000008
170#define SPCS_COPYRIGHT 0x00000004
171#define SPCS_NOTAUDIODATA 0x00000002
172#define SPCS_PROFESSIONAL 0x00000001
173
174#define SPDIF_SELECT 0x45
175
176
177#define MUDATA 0x47
178#define MUCMD 0x48
179#define MUSTAT MUCMD
180
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196
197
198struct emu10k1x_voice {
199 struct emu10k1x *emu;
200 int number;
201 int use;
202
203 struct emu10k1x_pcm *epcm;
204};
205
206struct emu10k1x_pcm {
207 struct emu10k1x *emu;
208 struct snd_pcm_substream *substream;
209 struct emu10k1x_voice *voice;
210 unsigned short running;
211};
212
213struct emu10k1x_midi {
214 struct emu10k1x *emu;
215 struct snd_rawmidi *rmidi;
216 struct snd_rawmidi_substream *substream_input;
217 struct snd_rawmidi_substream *substream_output;
218 unsigned int midi_mode;
219 spinlock_t input_lock;
220 spinlock_t output_lock;
221 spinlock_t open_lock;
222 int tx_enable, rx_enable;
223 int port;
224 int ipr_tx, ipr_rx;
225 void (*interrupt)(struct emu10k1x *emu, unsigned int status);
226};
227
228
229struct emu10k1x {
230 struct snd_card *card;
231 struct pci_dev *pci;
232
233 unsigned long port;
234 struct resource *res_port;
235 int irq;
236
237 unsigned char revision;
238 unsigned int serial;
239 unsigned short model;
240
241 spinlock_t emu_lock;
242 spinlock_t voice_lock;
243
244 struct snd_ac97 *ac97;
245 struct snd_pcm *pcm;
246
247 struct emu10k1x_voice voices[3];
248 struct emu10k1x_voice capture_voice;
249 u32 spdif_bits[3];
250
251 struct snd_dma_buffer dma_buffer;
252
253 struct emu10k1x_midi midi;
254};
255
256
257static const struct snd_pcm_hardware snd_emu10k1x_playback_hw = {
258 .info = (SNDRV_PCM_INFO_MMAP |
259 SNDRV_PCM_INFO_INTERLEAVED |
260 SNDRV_PCM_INFO_BLOCK_TRANSFER |
261 SNDRV_PCM_INFO_MMAP_VALID),
262 .formats = SNDRV_PCM_FMTBIT_S16_LE,
263 .rates = SNDRV_PCM_RATE_48000,
264 .rate_min = 48000,
265 .rate_max = 48000,
266 .channels_min = 2,
267 .channels_max = 2,
268 .buffer_bytes_max = (32*1024),
269 .period_bytes_min = 64,
270 .period_bytes_max = (16*1024),
271 .periods_min = 2,
272 .periods_max = 8,
273 .fifo_size = 0,
274};
275
276static const struct snd_pcm_hardware snd_emu10k1x_capture_hw = {
277 .info = (SNDRV_PCM_INFO_MMAP |
278 SNDRV_PCM_INFO_INTERLEAVED |
279 SNDRV_PCM_INFO_BLOCK_TRANSFER |
280 SNDRV_PCM_INFO_MMAP_VALID),
281 .formats = SNDRV_PCM_FMTBIT_S16_LE,
282 .rates = SNDRV_PCM_RATE_48000,
283 .rate_min = 48000,
284 .rate_max = 48000,
285 .channels_min = 2,
286 .channels_max = 2,
287 .buffer_bytes_max = (32*1024),
288 .period_bytes_min = 64,
289 .period_bytes_max = (16*1024),
290 .periods_min = 2,
291 .periods_max = 2,
292 .fifo_size = 0,
293};
294
295static unsigned int snd_emu10k1x_ptr_read(struct emu10k1x * emu,
296 unsigned int reg,
297 unsigned int chn)
298{
299 unsigned long flags;
300 unsigned int regptr, val;
301
302 regptr = (reg << 16) | chn;
303
304 spin_lock_irqsave(&emu->emu_lock, flags);
305 outl(regptr, emu->port + PTR);
306 val = inl(emu->port + DATA);
307 spin_unlock_irqrestore(&emu->emu_lock, flags);
308 return val;
309}
310
311static void snd_emu10k1x_ptr_write(struct emu10k1x *emu,
312 unsigned int reg,
313 unsigned int chn,
314 unsigned int data)
315{
316 unsigned int regptr;
317 unsigned long flags;
318
319 regptr = (reg << 16) | chn;
320
321 spin_lock_irqsave(&emu->emu_lock, flags);
322 outl(regptr, emu->port + PTR);
323 outl(data, emu->port + DATA);
324 spin_unlock_irqrestore(&emu->emu_lock, flags);
325}
326
327static void snd_emu10k1x_intr_enable(struct emu10k1x *emu, unsigned int intrenb)
328{
329 unsigned long flags;
330 unsigned int intr_enable;
331
332 spin_lock_irqsave(&emu->emu_lock, flags);
333 intr_enable = inl(emu->port + INTE) | intrenb;
334 outl(intr_enable, emu->port + INTE);
335 spin_unlock_irqrestore(&emu->emu_lock, flags);
336}
337
338static void snd_emu10k1x_intr_disable(struct emu10k1x *emu, unsigned int intrenb)
339{
340 unsigned long flags;
341 unsigned int intr_enable;
342
343 spin_lock_irqsave(&emu->emu_lock, flags);
344 intr_enable = inl(emu->port + INTE) & ~intrenb;
345 outl(intr_enable, emu->port + INTE);
346 spin_unlock_irqrestore(&emu->emu_lock, flags);
347}
348
349static void snd_emu10k1x_gpio_write(struct emu10k1x *emu, unsigned int value)
350{
351 unsigned long flags;
352
353 spin_lock_irqsave(&emu->emu_lock, flags);
354 outl(value, emu->port + GPIO);
355 spin_unlock_irqrestore(&emu->emu_lock, flags);
356}
357
358static void snd_emu10k1x_pcm_free_substream(struct snd_pcm_runtime *runtime)
359{
360 kfree(runtime->private_data);
361}
362
363static void snd_emu10k1x_pcm_interrupt(struct emu10k1x *emu, struct emu10k1x_voice *voice)
364{
365 struct emu10k1x_pcm *epcm;
366
367 if ((epcm = voice->epcm) == NULL)
368 return;
369 if (epcm->substream == NULL)
370 return;
371#if 0
372 dev_info(emu->card->dev,
373 "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
494
495
496
497 switch (cmd) {
498 case SNDRV_PCM_TRIGGER_START:
499 if(runtime->periods == 2)
500 snd_emu10k1x_intr_enable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel);
501 else
502 snd_emu10k1x_intr_enable(emu, INTE_CH_0_LOOP << channel);
503 epcm->running = 1;
504 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|(TRIGGER_CHANNEL_0<<channel));
505 break;
506 case SNDRV_PCM_TRIGGER_STOP:
507 epcm->running = 0;
508 snd_emu10k1x_intr_disable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel);
509 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CHANNEL_0<<channel));
510 break;
511 default:
512 result = -EINVAL;
513 break;
514 }
515 return result;
516}
517
518
519static snd_pcm_uframes_t
520snd_emu10k1x_pcm_pointer(struct snd_pcm_substream *substream)
521{
522 struct emu10k1x *emu = snd_pcm_substream_chip(substream);
523 struct snd_pcm_runtime *runtime = substream->runtime;
524 struct emu10k1x_pcm *epcm = runtime->private_data;
525 int channel = epcm->voice->number;
526 snd_pcm_uframes_t ptr = 0, ptr1 = 0, ptr2= 0,ptr3 = 0,ptr4 = 0;
527
528 if (!epcm->running)
529 return 0;
530
531 ptr3 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel);
532 ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel);
533 ptr4 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel);
534
535 if(ptr4 == 0 && ptr1 == frames_to_bytes(runtime, runtime->buffer_size))
536 return 0;
537
538 if (ptr3 != ptr4)
539 ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel);
540 ptr2 = bytes_to_frames(runtime, ptr1);
541 ptr2 += (ptr4 >> 3) * runtime->period_size;
542 ptr = ptr2;
543
544 if (ptr >= runtime->buffer_size)
545 ptr -= runtime->buffer_size;
546
547 return ptr;
548}
549
550
551static const struct snd_pcm_ops snd_emu10k1x_playback_ops = {
552 .open = snd_emu10k1x_playback_open,
553 .close = snd_emu10k1x_playback_close,
554 .ioctl = snd_pcm_lib_ioctl,
555 .hw_params = snd_emu10k1x_pcm_hw_params,
556 .hw_free = snd_emu10k1x_pcm_hw_free,
557 .prepare = snd_emu10k1x_pcm_prepare,
558 .trigger = snd_emu10k1x_pcm_trigger,
559 .pointer = snd_emu10k1x_pcm_pointer,
560};
561
562
563static int snd_emu10k1x_pcm_open_capture(struct snd_pcm_substream *substream)
564{
565 struct emu10k1x *chip = snd_pcm_substream_chip(substream);
566 struct emu10k1x_pcm *epcm;
567 struct snd_pcm_runtime *runtime = substream->runtime;
568 int err;
569
570 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
571 return err;
572 if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0)
573 return err;
574
575 epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
576 if (epcm == NULL)
577 return -ENOMEM;
578
579 epcm->emu = chip;
580 epcm->substream = substream;
581
582 runtime->private_data = epcm;
583 runtime->private_free = snd_emu10k1x_pcm_free_substream;
584
585 runtime->hw = snd_emu10k1x_capture_hw;
586
587 return 0;
588}
589
590
591static int snd_emu10k1x_pcm_close_capture(struct snd_pcm_substream *substream)
592{
593 return 0;
594}
595
596
597static int snd_emu10k1x_pcm_hw_params_capture(struct snd_pcm_substream *substream,
598 struct snd_pcm_hw_params *hw_params)
599{
600 struct snd_pcm_runtime *runtime = substream->runtime;
601 struct emu10k1x_pcm *epcm = runtime->private_data;
602
603 if (! epcm->voice) {
604 if (epcm->emu->capture_voice.use)
605 return -EBUSY;
606 epcm->voice = &epcm->emu->capture_voice;
607 epcm->voice->epcm = epcm;
608 epcm->voice->use = 1;
609 }
610
611 return snd_pcm_lib_malloc_pages(substream,
612 params_buffer_bytes(hw_params));
613}
614
615
616static int snd_emu10k1x_pcm_hw_free_capture(struct snd_pcm_substream *substream)
617{
618 struct snd_pcm_runtime *runtime = substream->runtime;
619
620 struct emu10k1x_pcm *epcm;
621
622 if (runtime->private_data == NULL)
623 return 0;
624 epcm = runtime->private_data;
625
626 if (epcm->voice) {
627 epcm->voice->use = 0;
628 epcm->voice->epcm = NULL;
629 epcm->voice = NULL;
630 }
631
632 return snd_pcm_lib_free_pages(substream);
633}
634
635
636static int snd_emu10k1x_pcm_prepare_capture(struct snd_pcm_substream *substream)
637{
638 struct emu10k1x *emu = snd_pcm_substream_chip(substream);
639 struct snd_pcm_runtime *runtime = substream->runtime;
640
641 snd_emu10k1x_ptr_write(emu, CAPTURE_DMA_ADDR, 0, runtime->dma_addr);
642 snd_emu10k1x_ptr_write(emu, CAPTURE_BUFFER_SIZE, 0, frames_to_bytes(runtime, runtime->buffer_size)<<16);
643 snd_emu10k1x_ptr_write(emu, CAPTURE_POINTER, 0, 0);
644 snd_emu10k1x_ptr_write(emu, CAPTURE_UNKNOWN, 0, 0);
645
646 return 0;
647}
648
649
650static int snd_emu10k1x_pcm_trigger_capture(struct snd_pcm_substream *substream,
651 int cmd)
652{
653 struct emu10k1x *emu = snd_pcm_substream_chip(substream);
654 struct snd_pcm_runtime *runtime = substream->runtime;
655 struct emu10k1x_pcm *epcm = runtime->private_data;
656 int result = 0;
657
658 switch (cmd) {
659 case SNDRV_PCM_TRIGGER_START:
660 snd_emu10k1x_intr_enable(emu, INTE_CAP_0_LOOP |
661 INTE_CAP_0_HALF_LOOP);
662 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|TRIGGER_CAPTURE);
663 epcm->running = 1;
664 break;
665 case SNDRV_PCM_TRIGGER_STOP:
666 epcm->running = 0;
667 snd_emu10k1x_intr_disable(emu, INTE_CAP_0_LOOP |
668 INTE_CAP_0_HALF_LOOP);
669 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CAPTURE));
670 break;
671 default:
672 result = -EINVAL;
673 break;
674 }
675 return result;
676}
677
678
679static snd_pcm_uframes_t
680snd_emu10k1x_pcm_pointer_capture(struct snd_pcm_substream *substream)
681{
682 struct emu10k1x *emu = snd_pcm_substream_chip(substream);
683 struct snd_pcm_runtime *runtime = substream->runtime;
684 struct emu10k1x_pcm *epcm = runtime->private_data;
685 snd_pcm_uframes_t ptr;
686
687 if (!epcm->running)
688 return 0;
689
690 ptr = bytes_to_frames(runtime, snd_emu10k1x_ptr_read(emu, CAPTURE_POINTER, 0));
691 if (ptr >= runtime->buffer_size)
692 ptr -= runtime->buffer_size;
693
694 return ptr;
695}
696
697static const struct snd_pcm_ops snd_emu10k1x_capture_ops = {
698 .open = snd_emu10k1x_pcm_open_capture,
699 .close = snd_emu10k1x_pcm_close_capture,
700 .ioctl = snd_pcm_lib_ioctl,
701 .hw_params = snd_emu10k1x_pcm_hw_params_capture,
702 .hw_free = snd_emu10k1x_pcm_hw_free_capture,
703 .prepare = snd_emu10k1x_pcm_prepare_capture,
704 .trigger = snd_emu10k1x_pcm_trigger_capture,
705 .pointer = snd_emu10k1x_pcm_pointer_capture,
706};
707
708static unsigned short snd_emu10k1x_ac97_read(struct snd_ac97 *ac97,
709 unsigned short reg)
710{
711 struct emu10k1x *emu = ac97->private_data;
712 unsigned long flags;
713 unsigned short val;
714
715 spin_lock_irqsave(&emu->emu_lock, flags);
716 outb(reg, emu->port + AC97ADDRESS);
717 val = inw(emu->port + AC97DATA);
718 spin_unlock_irqrestore(&emu->emu_lock, flags);
719 return val;
720}
721
722static void snd_emu10k1x_ac97_write(struct snd_ac97 *ac97,
723 unsigned short reg, unsigned short val)
724{
725 struct emu10k1x *emu = ac97->private_data;
726 unsigned long flags;
727
728 spin_lock_irqsave(&emu->emu_lock, flags);
729 outb(reg, emu->port + AC97ADDRESS);
730 outw(val, emu->port + AC97DATA);
731 spin_unlock_irqrestore(&emu->emu_lock, flags);
732}
733
734static int snd_emu10k1x_ac97(struct emu10k1x *chip)
735{
736 struct snd_ac97_bus *pbus;
737 struct snd_ac97_template ac97;
738 int err;
739 static struct snd_ac97_bus_ops ops = {
740 .write = snd_emu10k1x_ac97_write,
741 .read = snd_emu10k1x_ac97_read,
742 };
743
744 if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus)) < 0)
745 return err;
746 pbus->no_vra = 1;
747
748 memset(&ac97, 0, sizeof(ac97));
749 ac97.private_data = chip;
750 ac97.scaps = AC97_SCAP_NO_SPDIF;
751 return snd_ac97_mixer(pbus, &ac97, &chip->ac97);
752}
753
754static int snd_emu10k1x_free(struct emu10k1x *chip)
755{
756 snd_emu10k1x_ptr_write(chip, TRIGGER_CHANNEL, 0, 0);
757
758 outl(0, chip->port + INTE);
759
760 outl(HCFG_LOCKSOUNDCACHE, chip->port + HCFG);
761
762
763 if (chip->irq >= 0)
764 free_irq(chip->irq, chip);
765
766
767 release_and_free_resource(chip->res_port);
768
769
770 if (chip->dma_buffer.area) {
771 snd_dma_free_pages(&chip->dma_buffer);
772 }
773
774 pci_disable_device(chip->pci);
775
776
777 kfree(chip);
778 return 0;
779}
780
781static int snd_emu10k1x_dev_free(struct snd_device *device)
782{
783 struct emu10k1x *chip = device->device_data;
784 return snd_emu10k1x_free(chip);
785}
786
787static irqreturn_t snd_emu10k1x_interrupt(int irq, void *dev_id)
788{
789 unsigned int status;
790
791 struct emu10k1x *chip = dev_id;
792 struct emu10k1x_voice *pvoice = chip->voices;
793 int i;
794 int mask;
795
796 status = inl(chip->port + IPR);
797
798 if (! status)
799 return IRQ_NONE;
800
801
802 if (status & (IPR_CAP_0_LOOP | IPR_CAP_0_HALF_LOOP)) {
803 struct emu10k1x_voice *cap_voice = &chip->capture_voice;
804 if (cap_voice->use)
805 snd_emu10k1x_pcm_interrupt(chip, cap_voice);
806 else
807 snd_emu10k1x_intr_disable(chip,
808 INTE_CAP_0_LOOP |
809 INTE_CAP_0_HALF_LOOP);
810 }
811
812 mask = IPR_CH_0_LOOP|IPR_CH_0_HALF_LOOP;
813 for (i = 0; i < 3; i++) {
814 if (status & mask) {
815 if (pvoice->use)
816 snd_emu10k1x_pcm_interrupt(chip, pvoice);
817 else
818 snd_emu10k1x_intr_disable(chip, mask);
819 }
820 pvoice++;
821 mask <<= 1;
822 }
823
824 if (status & (IPR_MIDITRANSBUFEMPTY|IPR_MIDIRECVBUFEMPTY)) {
825 if (chip->midi.interrupt)
826 chip->midi.interrupt(chip, status);
827 else
828 snd_emu10k1x_intr_disable(chip, INTE_MIDITXENABLE|INTE_MIDIRXENABLE);
829 }
830
831
832 outl(status, chip->port + IPR);
833
834
835 return IRQ_HANDLED;
836}
837
838static const struct snd_pcm_chmap_elem surround_map[] = {
839 { .channels = 2,
840 .map = { SNDRV_CHMAP_RL, SNDRV_CHMAP_RR } },
841 { }
842};
843
844static const struct snd_pcm_chmap_elem clfe_map[] = {
845 { .channels = 2,
846 .map = { SNDRV_CHMAP_FC, SNDRV_CHMAP_LFE } },
847 { }
848};
849
850static int snd_emu10k1x_pcm(struct emu10k1x *emu, int device)
851{
852 struct snd_pcm *pcm;
853 const struct snd_pcm_chmap_elem *map = NULL;
854 int err;
855 int capture = 0;
856
857 if (device == 0)
858 capture = 1;
859
860 if ((err = snd_pcm_new(emu->card, "emu10k1x", device, 1, capture, &pcm)) < 0)
861 return err;
862
863 pcm->private_data = emu;
864
865 switch(device) {
866 case 0:
867 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops);
868 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1x_capture_ops);
869 break;
870 case 1:
871 case 2:
872 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops);
873 break;
874 }
875
876 pcm->info_flags = 0;
877 switch(device) {
878 case 0:
879 strcpy(pcm->name, "EMU10K1X Front");
880 map = snd_pcm_std_chmaps;
881 break;
882 case 1:
883 strcpy(pcm->name, "EMU10K1X Rear");
884 map = surround_map;
885 break;
886 case 2:
887 strcpy(pcm->name, "EMU10K1X Center/LFE");
888 map = clfe_map;
889 break;
890 }
891 emu->pcm = pcm;
892
893 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
894 snd_dma_pci_data(emu->pci),
895 32*1024, 32*1024);
896
897 return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, map, 2,
898 1 << 2, NULL);
899}
900
901static int snd_emu10k1x_create(struct snd_card *card,
902 struct pci_dev *pci,
903 struct emu10k1x **rchip)
904{
905 struct emu10k1x *chip;
906 int err;
907 int ch;
908 static struct snd_device_ops ops = {
909 .dev_free = snd_emu10k1x_dev_free,
910 };
911
912 *rchip = NULL;
913
914 if ((err = pci_enable_device(pci)) < 0)
915 return err;
916 if (pci_set_dma_mask(pci, DMA_BIT_MASK(28)) < 0 ||
917 pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(28)) < 0) {
918 dev_err(card->dev, "error to set 28bit mask DMA\n");
919 pci_disable_device(pci);
920 return -ENXIO;
921 }
922
923 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
924 if (chip == NULL) {
925 pci_disable_device(pci);
926 return -ENOMEM;
927 }
928
929 chip->card = card;
930 chip->pci = pci;
931 chip->irq = -1;
932
933 spin_lock_init(&chip->emu_lock);
934 spin_lock_init(&chip->voice_lock);
935
936 chip->port = pci_resource_start(pci, 0);
937 if ((chip->res_port = request_region(chip->port, 8,
938 "EMU10K1X")) == NULL) {
939 dev_err(card->dev, "cannot allocate the port 0x%lx\n",
940 chip->port);
941 snd_emu10k1x_free(chip);
942 return -EBUSY;
943 }
944
945 if (request_irq(pci->irq, snd_emu10k1x_interrupt,
946 IRQF_SHARED, KBUILD_MODNAME, chip)) {
947 dev_err(card->dev, "cannot grab irq %d\n", pci->irq);
948 snd_emu10k1x_free(chip);
949 return -EBUSY;
950 }
951 chip->irq = pci->irq;
952
953 if(snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
954 4 * 1024, &chip->dma_buffer) < 0) {
955 snd_emu10k1x_free(chip);
956 return -ENOMEM;
957 }
958
959 pci_set_master(pci);
960
961 chip->revision = pci->revision;
962 pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &chip->serial);
963 pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &chip->model);
964 dev_info(card->dev, "Model %04x Rev %08x Serial %08x\n", chip->model,
965 chip->revision, chip->serial);
966
967 outl(0, chip->port + INTE);
968
969 for(ch = 0; ch < 3; ch++) {
970 chip->voices[ch].emu = chip;
971 chip->voices[ch].number = ch;
972 }
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988 snd_emu10k1x_ptr_write(chip, SPCS0, 0,
989 chip->spdif_bits[0] =
990 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
991 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
992 SPCS_GENERATIONSTATUS | 0x00001200 |
993 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
994 snd_emu10k1x_ptr_write(chip, SPCS1, 0,
995 chip->spdif_bits[1] =
996 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
997 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
998 SPCS_GENERATIONSTATUS | 0x00001200 |
999 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
1000 snd_emu10k1x_ptr_write(chip, SPCS2, 0,
1001 chip->spdif_bits[2] =
1002 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1003 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
1004 SPCS_GENERATIONSTATUS | 0x00001200 |
1005 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
1006
1007 snd_emu10k1x_ptr_write(chip, SPDIF_SELECT, 0, 0x700);
1008 snd_emu10k1x_ptr_write(chip, ROUTING, 0, 0x1003F);
1009 snd_emu10k1x_gpio_write(chip, 0x1080);
1010
1011 outl(HCFG_LOCKSOUNDCACHE|HCFG_AUDIOENABLE, chip->port+HCFG);
1012
1013 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL,
1014 chip, &ops)) < 0) {
1015 snd_emu10k1x_free(chip);
1016 return err;
1017 }
1018 *rchip = chip;
1019 return 0;
1020}
1021
1022static void snd_emu10k1x_proc_reg_read(struct snd_info_entry *entry,
1023 struct snd_info_buffer *buffer)
1024{
1025 struct emu10k1x *emu = entry->private_data;
1026 unsigned long value,value1,value2;
1027 unsigned long flags;
1028 int i;
1029
1030 snd_iprintf(buffer, "Registers:\n\n");
1031 for(i = 0; i < 0x20; i+=4) {
1032 spin_lock_irqsave(&emu->emu_lock, flags);
1033 value = inl(emu->port + i);
1034 spin_unlock_irqrestore(&emu->emu_lock, flags);
1035 snd_iprintf(buffer, "Register %02X: %08lX\n", i, value);
1036 }
1037 snd_iprintf(buffer, "\nRegisters\n\n");
1038 for(i = 0; i <= 0x48; i++) {
1039 value = snd_emu10k1x_ptr_read(emu, i, 0);
1040 if(i < 0x10 || (i >= 0x20 && i < 0x40)) {
1041 value1 = snd_emu10k1x_ptr_read(emu, i, 1);
1042 value2 = snd_emu10k1x_ptr_read(emu, i, 2);
1043 snd_iprintf(buffer, "%02X: %08lX %08lX %08lX\n", i, value, value1, value2);
1044 } else {
1045 snd_iprintf(buffer, "%02X: %08lX\n", i, value);
1046 }
1047 }
1048}
1049
1050static void snd_emu10k1x_proc_reg_write(struct snd_info_entry *entry,
1051 struct snd_info_buffer *buffer)
1052{
1053 struct emu10k1x *emu = entry->private_data;
1054 char line[64];
1055 unsigned int reg, channel_id , val;
1056
1057 while (!snd_info_get_line(buffer, line, sizeof(line))) {
1058 if (sscanf(line, "%x %x %x", ®, &channel_id, &val) != 3)
1059 continue;
1060
1061 if (reg < 0x49 && val <= 0xffffffff && channel_id <= 2)
1062 snd_emu10k1x_ptr_write(emu, reg, channel_id, val);
1063 }
1064}
1065
1066static int snd_emu10k1x_proc_init(struct emu10k1x *emu)
1067{
1068 snd_card_rw_proc_new(emu->card, "emu10k1x_regs", emu,
1069 snd_emu10k1x_proc_reg_read,
1070 snd_emu10k1x_proc_reg_write);
1071 return 0;
1072}
1073
1074#define snd_emu10k1x_shared_spdif_info snd_ctl_boolean_mono_info
1075
1076static int snd_emu10k1x_shared_spdif_get(struct snd_kcontrol *kcontrol,
1077 struct snd_ctl_elem_value *ucontrol)
1078{
1079 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
1080
1081 ucontrol->value.integer.value[0] = (snd_emu10k1x_ptr_read(emu, SPDIF_SELECT, 0) == 0x700) ? 0 : 1;
1082
1083 return 0;
1084}
1085
1086static int snd_emu10k1x_shared_spdif_put(struct snd_kcontrol *kcontrol,
1087 struct snd_ctl_elem_value *ucontrol)
1088{
1089 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
1090 unsigned int val;
1091 int change = 0;
1092
1093 val = ucontrol->value.integer.value[0] ;
1094
1095 if (val) {
1096
1097 snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x000);
1098 snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x700);
1099 snd_emu10k1x_gpio_write(emu, 0x1000);
1100 } else {
1101
1102 snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x700);
1103 snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x1003F);
1104 snd_emu10k1x_gpio_write(emu, 0x1080);
1105 }
1106 return change;
1107}
1108
1109static const struct snd_kcontrol_new snd_emu10k1x_shared_spdif =
1110{
1111 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1112 .name = "Analog/Digital Output Jack",
1113 .info = snd_emu10k1x_shared_spdif_info,
1114 .get = snd_emu10k1x_shared_spdif_get,
1115 .put = snd_emu10k1x_shared_spdif_put
1116};
1117
1118static int snd_emu10k1x_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1119{
1120 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1121 uinfo->count = 1;
1122 return 0;
1123}
1124
1125static int snd_emu10k1x_spdif_get(struct snd_kcontrol *kcontrol,
1126 struct snd_ctl_elem_value *ucontrol)
1127{
1128 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
1129 unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1130
1131 ucontrol->value.iec958.status[0] = (emu->spdif_bits[idx] >> 0) & 0xff;
1132 ucontrol->value.iec958.status[1] = (emu->spdif_bits[idx] >> 8) & 0xff;
1133 ucontrol->value.iec958.status[2] = (emu->spdif_bits[idx] >> 16) & 0xff;
1134 ucontrol->value.iec958.status[3] = (emu->spdif_bits[idx] >> 24) & 0xff;
1135 return 0;
1136}
1137
1138static int snd_emu10k1x_spdif_get_mask(struct snd_kcontrol *kcontrol,
1139 struct snd_ctl_elem_value *ucontrol)
1140{
1141 ucontrol->value.iec958.status[0] = 0xff;
1142 ucontrol->value.iec958.status[1] = 0xff;
1143 ucontrol->value.iec958.status[2] = 0xff;
1144 ucontrol->value.iec958.status[3] = 0xff;
1145 return 0;
1146}
1147
1148static int snd_emu10k1x_spdif_put(struct snd_kcontrol *kcontrol,
1149 struct snd_ctl_elem_value *ucontrol)
1150{
1151 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
1152 unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1153 int change;
1154 unsigned int val;
1155
1156 val = (ucontrol->value.iec958.status[0] << 0) |
1157 (ucontrol->value.iec958.status[1] << 8) |
1158 (ucontrol->value.iec958.status[2] << 16) |
1159 (ucontrol->value.iec958.status[3] << 24);
1160 change = val != emu->spdif_bits[idx];
1161 if (change) {
1162 snd_emu10k1x_ptr_write(emu, SPCS0 + idx, 0, val);
1163 emu->spdif_bits[idx] = val;
1164 }
1165 return change;
1166}
1167
1168static const struct snd_kcontrol_new snd_emu10k1x_spdif_mask_control =
1169{
1170 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1171 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1172 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
1173 .count = 3,
1174 .info = snd_emu10k1x_spdif_info,
1175 .get = snd_emu10k1x_spdif_get_mask
1176};
1177
1178static const struct snd_kcontrol_new snd_emu10k1x_spdif_control =
1179{
1180 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1181 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1182 .count = 3,
1183 .info = snd_emu10k1x_spdif_info,
1184 .get = snd_emu10k1x_spdif_get,
1185 .put = snd_emu10k1x_spdif_put
1186};
1187
1188static int snd_emu10k1x_mixer(struct emu10k1x *emu)
1189{
1190 int err;
1191 struct snd_kcontrol *kctl;
1192 struct snd_card *card = emu->card;
1193
1194 if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_mask_control, emu)) == NULL)
1195 return -ENOMEM;
1196 if ((err = snd_ctl_add(card, kctl)))
1197 return err;
1198 if ((kctl = snd_ctl_new1(&snd_emu10k1x_shared_spdif, emu)) == NULL)
1199 return -ENOMEM;
1200 if ((err = snd_ctl_add(card, kctl)))
1201 return err;
1202 if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_control, emu)) == NULL)
1203 return -ENOMEM;
1204 if ((err = snd_ctl_add(card, kctl)))
1205 return err;
1206
1207 return 0;
1208}
1209
1210#define EMU10K1X_MIDI_MODE_INPUT (1<<0)
1211#define EMU10K1X_MIDI_MODE_OUTPUT (1<<1)
1212
1213static inline unsigned char mpu401_read(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int idx)
1214{
1215 return (unsigned char)snd_emu10k1x_ptr_read(emu, mpu->port + idx, 0);
1216}
1217
1218static inline void mpu401_write(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int data, int idx)
1219{
1220 snd_emu10k1x_ptr_write(emu, mpu->port + idx, 0, data);
1221}
1222
1223#define mpu401_write_data(emu, mpu, data) mpu401_write(emu, mpu, data, 0)
1224#define mpu401_write_cmd(emu, mpu, data) mpu401_write(emu, mpu, data, 1)
1225#define mpu401_read_data(emu, mpu) mpu401_read(emu, mpu, 0)
1226#define mpu401_read_stat(emu, mpu) mpu401_read(emu, mpu, 1)
1227
1228#define mpu401_input_avail(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x80))
1229#define mpu401_output_ready(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x40))
1230
1231#define MPU401_RESET 0xff
1232#define MPU401_ENTER_UART 0x3f
1233#define MPU401_ACK 0xfe
1234
1235static void mpu401_clear_rx(struct emu10k1x *emu, struct emu10k1x_midi *mpu)
1236{
1237 int timeout = 100000;
1238 for (; timeout > 0 && mpu401_input_avail(emu, mpu); timeout--)
1239 mpu401_read_data(emu, mpu);
1240#ifdef CONFIG_SND_DEBUG
1241 if (timeout <= 0)
1242 dev_err(emu->card->dev,
1243 "cmd: clear rx timeout (status = 0x%x)\n",
1244 mpu401_read_stat(emu, mpu));
1245#endif
1246}
1247
1248
1249
1250
1251
1252static void do_emu10k1x_midi_interrupt(struct emu10k1x *emu,
1253 struct emu10k1x_midi *midi, unsigned int status)
1254{
1255 unsigned char byte;
1256
1257 if (midi->rmidi == NULL) {
1258 snd_emu10k1x_intr_disable(emu, midi->tx_enable | midi->rx_enable);
1259 return;
1260 }
1261
1262 spin_lock(&midi->input_lock);
1263 if ((status & midi->ipr_rx) && mpu401_input_avail(emu, midi)) {
1264 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {
1265 mpu401_clear_rx(emu, midi);
1266 } else {
1267 byte = mpu401_read_data(emu, midi);
1268 if (midi->substream_input)
1269 snd_rawmidi_receive(midi->substream_input, &byte, 1);
1270 }
1271 }
1272 spin_unlock(&midi->input_lock);
1273
1274 spin_lock(&midi->output_lock);
1275 if ((status & midi->ipr_tx) && mpu401_output_ready(emu, midi)) {
1276 if (midi->substream_output &&
1277 snd_rawmidi_transmit(midi->substream_output, &byte, 1) == 1) {
1278 mpu401_write_data(emu, midi, byte);
1279 } else {
1280 snd_emu10k1x_intr_disable(emu, midi->tx_enable);
1281 }
1282 }
1283 spin_unlock(&midi->output_lock);
1284}
1285
1286static void snd_emu10k1x_midi_interrupt(struct emu10k1x *emu, unsigned int status)
1287{
1288 do_emu10k1x_midi_interrupt(emu, &emu->midi, status);
1289}
1290
1291static int snd_emu10k1x_midi_cmd(struct emu10k1x * emu,
1292 struct emu10k1x_midi *midi, unsigned char cmd, int ack)
1293{
1294 unsigned long flags;
1295 int timeout, ok;
1296
1297 spin_lock_irqsave(&midi->input_lock, flags);
1298 mpu401_write_data(emu, midi, 0x00);
1299
1300
1301 mpu401_write_cmd(emu, midi, cmd);
1302 if (ack) {
1303 ok = 0;
1304 timeout = 10000;
1305 while (!ok && timeout-- > 0) {
1306 if (mpu401_input_avail(emu, midi)) {
1307 if (mpu401_read_data(emu, midi) == MPU401_ACK)
1308 ok = 1;
1309 }
1310 }
1311 if (!ok && mpu401_read_data(emu, midi) == MPU401_ACK)
1312 ok = 1;
1313 } else {
1314 ok = 1;
1315 }
1316 spin_unlock_irqrestore(&midi->input_lock, flags);
1317 if (!ok) {
1318 dev_err(emu->card->dev,
1319 "midi_cmd: 0x%x failed at 0x%lx (status = 0x%x, data = 0x%x)!!!\n",
1320 cmd, emu->port,
1321 mpu401_read_stat(emu, midi),
1322 mpu401_read_data(emu, midi));
1323 return 1;
1324 }
1325 return 0;
1326}
1327
1328static int snd_emu10k1x_midi_input_open(struct snd_rawmidi_substream *substream)
1329{
1330 struct emu10k1x *emu;
1331 struct emu10k1x_midi *midi = substream->rmidi->private_data;
1332 unsigned long flags;
1333
1334 emu = midi->emu;
1335 if (snd_BUG_ON(!emu))
1336 return -ENXIO;
1337 spin_lock_irqsave(&midi->open_lock, flags);
1338 midi->midi_mode |= EMU10K1X_MIDI_MODE_INPUT;
1339 midi->substream_input = substream;
1340 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) {
1341 spin_unlock_irqrestore(&midi->open_lock, flags);
1342 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1))
1343 goto error_out;
1344 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1))
1345 goto error_out;
1346 } else {
1347 spin_unlock_irqrestore(&midi->open_lock, flags);
1348 }
1349 return 0;
1350
1351error_out:
1352 return -EIO;
1353}
1354
1355static int snd_emu10k1x_midi_output_open(struct snd_rawmidi_substream *substream)
1356{
1357 struct emu10k1x *emu;
1358 struct emu10k1x_midi *midi = substream->rmidi->private_data;
1359 unsigned long flags;
1360
1361 emu = midi->emu;
1362 if (snd_BUG_ON(!emu))
1363 return -ENXIO;
1364 spin_lock_irqsave(&midi->open_lock, flags);
1365 midi->midi_mode |= EMU10K1X_MIDI_MODE_OUTPUT;
1366 midi->substream_output = substream;
1367 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {
1368 spin_unlock_irqrestore(&midi->open_lock, flags);
1369 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1))
1370 goto error_out;
1371 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1))
1372 goto error_out;
1373 } else {
1374 spin_unlock_irqrestore(&midi->open_lock, flags);
1375 }
1376 return 0;
1377
1378error_out:
1379 return -EIO;
1380}
1381
1382static int snd_emu10k1x_midi_input_close(struct snd_rawmidi_substream *substream)
1383{
1384 struct emu10k1x *emu;
1385 struct emu10k1x_midi *midi = substream->rmidi->private_data;
1386 unsigned long flags;
1387 int err = 0;
1388
1389 emu = midi->emu;
1390 if (snd_BUG_ON(!emu))
1391 return -ENXIO;
1392 spin_lock_irqsave(&midi->open_lock, flags);
1393 snd_emu10k1x_intr_disable(emu, midi->rx_enable);
1394 midi->midi_mode &= ~EMU10K1X_MIDI_MODE_INPUT;
1395 midi->substream_input = NULL;
1396 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) {
1397 spin_unlock_irqrestore(&midi->open_lock, flags);
1398 err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0);
1399 } else {
1400 spin_unlock_irqrestore(&midi->open_lock, flags);
1401 }
1402 return err;
1403}
1404
1405static int snd_emu10k1x_midi_output_close(struct snd_rawmidi_substream *substream)
1406{
1407 struct emu10k1x *emu;
1408 struct emu10k1x_midi *midi = substream->rmidi->private_data;
1409 unsigned long flags;
1410 int err = 0;
1411
1412 emu = midi->emu;
1413 if (snd_BUG_ON(!emu))
1414 return -ENXIO;
1415 spin_lock_irqsave(&midi->open_lock, flags);
1416 snd_emu10k1x_intr_disable(emu, midi->tx_enable);
1417 midi->midi_mode &= ~EMU10K1X_MIDI_MODE_OUTPUT;
1418 midi->substream_output = NULL;
1419 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {
1420 spin_unlock_irqrestore(&midi->open_lock, flags);
1421 err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0);
1422 } else {
1423 spin_unlock_irqrestore(&midi->open_lock, flags);
1424 }
1425 return err;
1426}
1427
1428static void snd_emu10k1x_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
1429{
1430 struct emu10k1x *emu;
1431 struct emu10k1x_midi *midi = substream->rmidi->private_data;
1432 emu = midi->emu;
1433 if (snd_BUG_ON(!emu))
1434 return;
1435
1436 if (up)
1437 snd_emu10k1x_intr_enable(emu, midi->rx_enable);
1438 else
1439 snd_emu10k1x_intr_disable(emu, midi->rx_enable);
1440}
1441
1442static void snd_emu10k1x_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
1443{
1444 struct emu10k1x *emu;
1445 struct emu10k1x_midi *midi = substream->rmidi->private_data;
1446 unsigned long flags;
1447
1448 emu = midi->emu;
1449 if (snd_BUG_ON(!emu))
1450 return;
1451
1452 if (up) {
1453 int max = 4;
1454 unsigned char byte;
1455
1456
1457 spin_lock_irqsave(&midi->output_lock, flags);
1458 while (max > 0) {
1459 if (mpu401_output_ready(emu, midi)) {
1460 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT) ||
1461 snd_rawmidi_transmit(substream, &byte, 1) != 1) {
1462
1463 spin_unlock_irqrestore(&midi->output_lock, flags);
1464 return;
1465 }
1466 mpu401_write_data(emu, midi, byte);
1467 max--;
1468 } else {
1469 break;
1470 }
1471 }
1472 spin_unlock_irqrestore(&midi->output_lock, flags);
1473 snd_emu10k1x_intr_enable(emu, midi->tx_enable);
1474 } else {
1475 snd_emu10k1x_intr_disable(emu, midi->tx_enable);
1476 }
1477}
1478
1479
1480
1481
1482
1483static const struct snd_rawmidi_ops snd_emu10k1x_midi_output =
1484{
1485 .open = snd_emu10k1x_midi_output_open,
1486 .close = snd_emu10k1x_midi_output_close,
1487 .trigger = snd_emu10k1x_midi_output_trigger,
1488};
1489
1490static const struct snd_rawmidi_ops snd_emu10k1x_midi_input =
1491{
1492 .open = snd_emu10k1x_midi_input_open,
1493 .close = snd_emu10k1x_midi_input_close,
1494 .trigger = snd_emu10k1x_midi_input_trigger,
1495};
1496
1497static void snd_emu10k1x_midi_free(struct snd_rawmidi *rmidi)
1498{
1499 struct emu10k1x_midi *midi = rmidi->private_data;
1500 midi->interrupt = NULL;
1501 midi->rmidi = NULL;
1502}
1503
1504static int emu10k1x_midi_init(struct emu10k1x *emu,
1505 struct emu10k1x_midi *midi, int device,
1506 char *name)
1507{
1508 struct snd_rawmidi *rmidi;
1509 int err;
1510
1511 if ((err = snd_rawmidi_new(emu->card, name, device, 1, 1, &rmidi)) < 0)
1512 return err;
1513 midi->emu = emu;
1514 spin_lock_init(&midi->open_lock);
1515 spin_lock_init(&midi->input_lock);
1516 spin_lock_init(&midi->output_lock);
1517 strcpy(rmidi->name, name);
1518 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_emu10k1x_midi_output);
1519 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_emu10k1x_midi_input);
1520 rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
1521 SNDRV_RAWMIDI_INFO_INPUT |
1522 SNDRV_RAWMIDI_INFO_DUPLEX;
1523 rmidi->private_data = midi;
1524 rmidi->private_free = snd_emu10k1x_midi_free;
1525 midi->rmidi = rmidi;
1526 return 0;
1527}
1528
1529static int snd_emu10k1x_midi(struct emu10k1x *emu)
1530{
1531 struct emu10k1x_midi *midi = &emu->midi;
1532 int err;
1533
1534 if ((err = emu10k1x_midi_init(emu, midi, 0, "EMU10K1X MPU-401 (UART)")) < 0)
1535 return err;
1536
1537 midi->tx_enable = INTE_MIDITXENABLE;
1538 midi->rx_enable = INTE_MIDIRXENABLE;
1539 midi->port = MUDATA;
1540 midi->ipr_tx = IPR_MIDITRANSBUFEMPTY;
1541 midi->ipr_rx = IPR_MIDIRECVBUFEMPTY;
1542 midi->interrupt = snd_emu10k1x_midi_interrupt;
1543 return 0;
1544}
1545
1546static int snd_emu10k1x_probe(struct pci_dev *pci,
1547 const struct pci_device_id *pci_id)
1548{
1549 static int dev;
1550 struct snd_card *card;
1551 struct emu10k1x *chip;
1552 int err;
1553
1554 if (dev >= SNDRV_CARDS)
1555 return -ENODEV;
1556 if (!enable[dev]) {
1557 dev++;
1558 return -ENOENT;
1559 }
1560
1561 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1562 0, &card);
1563 if (err < 0)
1564 return err;
1565
1566 if ((err = snd_emu10k1x_create(card, pci, &chip)) < 0) {
1567 snd_card_free(card);
1568 return err;
1569 }
1570
1571 if ((err = snd_emu10k1x_pcm(chip, 0)) < 0) {
1572 snd_card_free(card);
1573 return err;
1574 }
1575 if ((err = snd_emu10k1x_pcm(chip, 1)) < 0) {
1576 snd_card_free(card);
1577 return err;
1578 }
1579 if ((err = snd_emu10k1x_pcm(chip, 2)) < 0) {
1580 snd_card_free(card);
1581 return err;
1582 }
1583
1584 if ((err = snd_emu10k1x_ac97(chip)) < 0) {
1585 snd_card_free(card);
1586 return err;
1587 }
1588
1589 if ((err = snd_emu10k1x_mixer(chip)) < 0) {
1590 snd_card_free(card);
1591 return err;
1592 }
1593
1594 if ((err = snd_emu10k1x_midi(chip)) < 0) {
1595 snd_card_free(card);
1596 return err;
1597 }
1598
1599 snd_emu10k1x_proc_init(chip);
1600
1601 strcpy(card->driver, "EMU10K1X");
1602 strcpy(card->shortname, "Dell Sound Blaster Live!");
1603 sprintf(card->longname, "%s at 0x%lx irq %i",
1604 card->shortname, chip->port, chip->irq);
1605
1606 if ((err = snd_card_register(card)) < 0) {
1607 snd_card_free(card);
1608 return err;
1609 }
1610
1611 pci_set_drvdata(pci, card);
1612 dev++;
1613 return 0;
1614}
1615
1616static void snd_emu10k1x_remove(struct pci_dev *pci)
1617{
1618 snd_card_free(pci_get_drvdata(pci));
1619}
1620
1621
1622static const struct pci_device_id snd_emu10k1x_ids[] = {
1623 { PCI_VDEVICE(CREATIVE, 0x0006), 0 },
1624 { 0, }
1625};
1626MODULE_DEVICE_TABLE(pci, snd_emu10k1x_ids);
1627
1628
1629static struct pci_driver emu10k1x_driver = {
1630 .name = KBUILD_MODNAME,
1631 .id_table = snd_emu10k1x_ids,
1632 .probe = snd_emu10k1x_probe,
1633 .remove = snd_emu10k1x_remove,
1634};
1635
1636module_pci_driver(emu10k1x_driver);
1637
