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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");
34MODULE_SUPPORTED_DEVICE("{{Dell Creative Labs,SB Live!}");
35
36
37static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
38static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
39static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
40
41module_param_array(index, int, NULL, 0444);
42MODULE_PARM_DESC(index, "Index value for the EMU10K1X soundcard.");
43module_param_array(id, charp, NULL, 0444);
44MODULE_PARM_DESC(id, "ID string for the EMU10K1X soundcard.");
45module_param_array(enable, bool, NULL, 0444);
46MODULE_PARM_DESC(enable, "Enable the EMU10K1X soundcard.");
47
48
49
50
51
52
53
54#define PTR 0x00
55
56
57
58#define DATA 0x04
59
60#define IPR 0x08
61
62
63#define IPR_MIDITRANSBUFEMPTY 0x00000001
64#define IPR_MIDIRECVBUFEMPTY 0x00000002
65#define IPR_CH_0_LOOP 0x00000800
66#define IPR_CH_0_HALF_LOOP 0x00000100
67#define IPR_CAP_0_LOOP 0x00080000
68#define IPR_CAP_0_HALF_LOOP 0x00010000
69
70#define INTE 0x0c
71#define INTE_MIDITXENABLE 0x00000001
72#define INTE_MIDIRXENABLE 0x00000002
73#define INTE_CH_0_LOOP 0x00000800
74#define INTE_CH_0_HALF_LOOP 0x00000100
75#define INTE_CAP_0_LOOP 0x00080000
76#define INTE_CAP_0_HALF_LOOP 0x00010000
77
78#define HCFG 0x14
79
80#define HCFG_LOCKSOUNDCACHE 0x00000008
81
82#define HCFG_AUDIOENABLE 0x00000001
83
84
85#define GPIO 0x18
86
87
88#define AC97DATA 0x1c
89
90#define AC97ADDRESS 0x1e
91
92
93
94
95#define PLAYBACK_LIST_ADDR 0x00
96
97
98
99
100
101#define PLAYBACK_LIST_SIZE 0x01
102#define PLAYBACK_LIST_PTR 0x02
103#define PLAYBACK_DMA_ADDR 0x04
104#define PLAYBACK_PERIOD_SIZE 0x05
105#define PLAYBACK_POINTER 0x06
106#define PLAYBACK_UNKNOWN1 0x07
107#define PLAYBACK_UNKNOWN2 0x08
108
109
110#define CAPTURE_DMA_ADDR 0x10
111#define CAPTURE_BUFFER_SIZE 0x11
112#define CAPTURE_POINTER 0x12
113#define CAPTURE_UNKNOWN 0x13
114
115
116
117#define TRIGGER_CHANNEL 0x40
118#define TRIGGER_CHANNEL_0 0x00000001
119#define TRIGGER_CHANNEL_1 0x00000002
120#define TRIGGER_CHANNEL_2 0x00000004
121#define TRIGGER_CAPTURE 0x00000100
122
123#define ROUTING 0x41
124#define ROUTING_FRONT_LEFT 0x00000001
125#define ROUTING_FRONT_RIGHT 0x00000002
126#define ROUTING_REAR_LEFT 0x00000004
127#define ROUTING_REAR_RIGHT 0x00000008
128#define ROUTING_CENTER_LFE 0x00010000
129
130#define SPCS0 0x42
131
132#define SPCS1 0x43
133
134#define SPCS2 0x44
135
136#define SPCS_CLKACCYMASK 0x30000000
137#define SPCS_CLKACCY_1000PPM 0x00000000
138#define SPCS_CLKACCY_50PPM 0x10000000
139#define SPCS_CLKACCY_VARIABLE 0x20000000
140#define SPCS_SAMPLERATEMASK 0x0f000000
141#define SPCS_SAMPLERATE_44 0x00000000
142#define SPCS_SAMPLERATE_48 0x02000000
143#define SPCS_SAMPLERATE_32 0x03000000
144#define SPCS_CHANNELNUMMASK 0x00f00000
145#define SPCS_CHANNELNUM_UNSPEC 0x00000000
146#define SPCS_CHANNELNUM_LEFT 0x00100000
147#define SPCS_CHANNELNUM_RIGHT 0x00200000
148#define SPCS_SOURCENUMMASK 0x000f0000
149#define SPCS_SOURCENUM_UNSPEC 0x00000000
150#define SPCS_GENERATIONSTATUS 0x00008000
151#define SPCS_CATEGORYCODEMASK 0x00007f00
152#define SPCS_MODEMASK 0x000000c0
153#define SPCS_EMPHASISMASK 0x00000038
154#define SPCS_EMPHASIS_NONE 0x00000000
155#define SPCS_EMPHASIS_50_15 0x00000008
156#define SPCS_COPYRIGHT 0x00000004
157#define SPCS_NOTAUDIODATA 0x00000002
158#define SPCS_PROFESSIONAL 0x00000001
159
160#define SPDIF_SELECT 0x45
161
162
163#define MUDATA 0x47
164#define MUCMD 0x48
165#define MUSTAT MUCMD
166
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183
184struct emu10k1x_voice {
185 struct emu10k1x *emu;
186 int number;
187 int use;
188
189 struct emu10k1x_pcm *epcm;
190};
191
192struct emu10k1x_pcm {
193 struct emu10k1x *emu;
194 struct snd_pcm_substream *substream;
195 struct emu10k1x_voice *voice;
196 unsigned short running;
197};
198
199struct emu10k1x_midi {
200 struct emu10k1x *emu;
201 struct snd_rawmidi *rmidi;
202 struct snd_rawmidi_substream *substream_input;
203 struct snd_rawmidi_substream *substream_output;
204 unsigned int midi_mode;
205 spinlock_t input_lock;
206 spinlock_t output_lock;
207 spinlock_t open_lock;
208 int tx_enable, rx_enable;
209 int port;
210 int ipr_tx, ipr_rx;
211 void (*interrupt)(struct emu10k1x *emu, unsigned int status);
212};
213
214
215struct emu10k1x {
216 struct snd_card *card;
217 struct pci_dev *pci;
218
219 unsigned long port;
220 struct resource *res_port;
221 int irq;
222
223 unsigned char revision;
224 unsigned int serial;
225 unsigned short model;
226
227 spinlock_t emu_lock;
228 spinlock_t voice_lock;
229
230 struct snd_ac97 *ac97;
231 struct snd_pcm *pcm;
232
233 struct emu10k1x_voice voices[3];
234 struct emu10k1x_voice capture_voice;
235 u32 spdif_bits[3];
236
237 struct snd_dma_buffer dma_buffer;
238
239 struct emu10k1x_midi midi;
240};
241
242
243static const struct snd_pcm_hardware snd_emu10k1x_playback_hw = {
244 .info = (SNDRV_PCM_INFO_MMAP |
245 SNDRV_PCM_INFO_INTERLEAVED |
246 SNDRV_PCM_INFO_BLOCK_TRANSFER |
247 SNDRV_PCM_INFO_MMAP_VALID),
248 .formats = SNDRV_PCM_FMTBIT_S16_LE,
249 .rates = SNDRV_PCM_RATE_48000,
250 .rate_min = 48000,
251 .rate_max = 48000,
252 .channels_min = 2,
253 .channels_max = 2,
254 .buffer_bytes_max = (32*1024),
255 .period_bytes_min = 64,
256 .period_bytes_max = (16*1024),
257 .periods_min = 2,
258 .periods_max = 8,
259 .fifo_size = 0,
260};
261
262static const struct snd_pcm_hardware snd_emu10k1x_capture_hw = {
263 .info = (SNDRV_PCM_INFO_MMAP |
264 SNDRV_PCM_INFO_INTERLEAVED |
265 SNDRV_PCM_INFO_BLOCK_TRANSFER |
266 SNDRV_PCM_INFO_MMAP_VALID),
267 .formats = SNDRV_PCM_FMTBIT_S16_LE,
268 .rates = SNDRV_PCM_RATE_48000,
269 .rate_min = 48000,
270 .rate_max = 48000,
271 .channels_min = 2,
272 .channels_max = 2,
273 .buffer_bytes_max = (32*1024),
274 .period_bytes_min = 64,
275 .period_bytes_max = (16*1024),
276 .periods_min = 2,
277 .periods_max = 2,
278 .fifo_size = 0,
279};
280
281static unsigned int snd_emu10k1x_ptr_read(struct emu10k1x * emu,
282 unsigned int reg,
283 unsigned int chn)
284{
285 unsigned long flags;
286 unsigned int regptr, val;
287
288 regptr = (reg << 16) | chn;
289
290 spin_lock_irqsave(&emu->emu_lock, flags);
291 outl(regptr, emu->port + PTR);
292 val = inl(emu->port + DATA);
293 spin_unlock_irqrestore(&emu->emu_lock, flags);
294 return val;
295}
296
297static void snd_emu10k1x_ptr_write(struct emu10k1x *emu,
298 unsigned int reg,
299 unsigned int chn,
300 unsigned int data)
301{
302 unsigned int regptr;
303 unsigned long flags;
304
305 regptr = (reg << 16) | chn;
306
307 spin_lock_irqsave(&emu->emu_lock, flags);
308 outl(regptr, emu->port + PTR);
309 outl(data, emu->port + DATA);
310 spin_unlock_irqrestore(&emu->emu_lock, flags);
311}
312
313static void snd_emu10k1x_intr_enable(struct emu10k1x *emu, unsigned int intrenb)
314{
315 unsigned long flags;
316 unsigned int intr_enable;
317
318 spin_lock_irqsave(&emu->emu_lock, flags);
319 intr_enable = inl(emu->port + INTE) | intrenb;
320 outl(intr_enable, emu->port + INTE);
321 spin_unlock_irqrestore(&emu->emu_lock, flags);
322}
323
324static void snd_emu10k1x_intr_disable(struct emu10k1x *emu, unsigned int intrenb)
325{
326 unsigned long flags;
327 unsigned int intr_enable;
328
329 spin_lock_irqsave(&emu->emu_lock, flags);
330 intr_enable = inl(emu->port + INTE) & ~intrenb;
331 outl(intr_enable, emu->port + INTE);
332 spin_unlock_irqrestore(&emu->emu_lock, flags);
333}
334
335static void snd_emu10k1x_gpio_write(struct emu10k1x *emu, unsigned int value)
336{
337 unsigned long flags;
338
339 spin_lock_irqsave(&emu->emu_lock, flags);
340 outl(value, emu->port + GPIO);
341 spin_unlock_irqrestore(&emu->emu_lock, flags);
342}
343
344static void snd_emu10k1x_pcm_free_substream(struct snd_pcm_runtime *runtime)
345{
346 kfree(runtime->private_data);
347}
348
349static void snd_emu10k1x_pcm_interrupt(struct emu10k1x *emu, struct emu10k1x_voice *voice)
350{
351 struct emu10k1x_pcm *epcm;
352
353 if ((epcm = voice->epcm) == NULL)
354 return;
355 if (epcm->substream == NULL)
356 return;
357#if 0
358 dev_info(emu->card->dev,
359 "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n",
360 epcm->substream->ops->pointer(epcm->substream),
361 snd_pcm_lib_period_bytes(epcm->substream),
362 snd_pcm_lib_buffer_bytes(epcm->substream));
363#endif
364 snd_pcm_period_elapsed(epcm->substream);
365}
366
367
368static int snd_emu10k1x_playback_open(struct snd_pcm_substream *substream)
369{
370 struct emu10k1x *chip = snd_pcm_substream_chip(substream);
371 struct emu10k1x_pcm *epcm;
372 struct snd_pcm_runtime *runtime = substream->runtime;
373 int err;
374
375 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) {
376 return err;
377 }
378 if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 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 snd_pcm_lib_malloc_pages(substream,
415 params_buffer_bytes(hw_params));
416}
417
418
419static int snd_emu10k1x_pcm_hw_free(struct snd_pcm_substream *substream)
420{
421 struct snd_pcm_runtime *runtime = substream->runtime;
422 struct emu10k1x_pcm *epcm;
423
424 if (runtime->private_data == NULL)
425 return 0;
426
427 epcm = runtime->private_data;
428
429 if (epcm->voice) {
430 epcm->voice->use = 0;
431 epcm->voice->epcm = NULL;
432 epcm->voice = NULL;
433 }
434
435 return snd_pcm_lib_free_pages(substream);
436}
437
438
439static int snd_emu10k1x_pcm_prepare(struct snd_pcm_substream *substream)
440{
441 struct emu10k1x *emu = snd_pcm_substream_chip(substream);
442 struct snd_pcm_runtime *runtime = substream->runtime;
443 struct emu10k1x_pcm *epcm = runtime->private_data;
444 int voice = epcm->voice->number;
445 u32 *table_base = (u32 *)(emu->dma_buffer.area+1024*voice);
446 u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size);
447 int i;
448
449 for(i = 0; i < runtime->periods; i++) {
450 *table_base++=runtime->dma_addr+(i*period_size_bytes);
451 *table_base++=period_size_bytes<<16;
452 }
453
454 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_ADDR, voice, emu->dma_buffer.addr+1024*voice);
455 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_SIZE, voice, (runtime->periods - 1) << 19);
456 snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_PTR, voice, 0);
457 snd_emu10k1x_ptr_write(emu, PLAYBACK_POINTER, voice, 0);
458 snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN1, voice, 0);
459 snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN2, voice, 0);
460 snd_emu10k1x_ptr_write(emu, PLAYBACK_DMA_ADDR, voice, runtime->dma_addr);
461
462 snd_emu10k1x_ptr_write(emu, PLAYBACK_PERIOD_SIZE, voice, frames_to_bytes(runtime, runtime->period_size)<<16);
463
464 return 0;
465}
466
467
468static int snd_emu10k1x_pcm_trigger(struct snd_pcm_substream *substream,
469 int cmd)
470{
471 struct emu10k1x *emu = snd_pcm_substream_chip(substream);
472 struct snd_pcm_runtime *runtime = substream->runtime;
473 struct emu10k1x_pcm *epcm = runtime->private_data;
474 int channel = epcm->voice->number;
475 int result = 0;
476
477
478
479
480
481
482
483 switch (cmd) {
484 case SNDRV_PCM_TRIGGER_START:
485 if(runtime->periods == 2)
486 snd_emu10k1x_intr_enable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel);
487 else
488 snd_emu10k1x_intr_enable(emu, INTE_CH_0_LOOP << channel);
489 epcm->running = 1;
490 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|(TRIGGER_CHANNEL_0<<channel));
491 break;
492 case SNDRV_PCM_TRIGGER_STOP:
493 epcm->running = 0;
494 snd_emu10k1x_intr_disable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel);
495 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CHANNEL_0<<channel));
496 break;
497 default:
498 result = -EINVAL;
499 break;
500 }
501 return result;
502}
503
504
505static snd_pcm_uframes_t
506snd_emu10k1x_pcm_pointer(struct snd_pcm_substream *substream)
507{
508 struct emu10k1x *emu = snd_pcm_substream_chip(substream);
509 struct snd_pcm_runtime *runtime = substream->runtime;
510 struct emu10k1x_pcm *epcm = runtime->private_data;
511 int channel = epcm->voice->number;
512 snd_pcm_uframes_t ptr = 0, ptr1 = 0, ptr2= 0,ptr3 = 0,ptr4 = 0;
513
514 if (!epcm->running)
515 return 0;
516
517 ptr3 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel);
518 ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel);
519 ptr4 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel);
520
521 if(ptr4 == 0 && ptr1 == frames_to_bytes(runtime, runtime->buffer_size))
522 return 0;
523
524 if (ptr3 != ptr4)
525 ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel);
526 ptr2 = bytes_to_frames(runtime, ptr1);
527 ptr2 += (ptr4 >> 3) * runtime->period_size;
528 ptr = ptr2;
529
530 if (ptr >= runtime->buffer_size)
531 ptr -= runtime->buffer_size;
532
533 return ptr;
534}
535
536
537static const struct snd_pcm_ops snd_emu10k1x_playback_ops = {
538 .open = snd_emu10k1x_playback_open,
539 .close = snd_emu10k1x_playback_close,
540 .ioctl = snd_pcm_lib_ioctl,
541 .hw_params = snd_emu10k1x_pcm_hw_params,
542 .hw_free = snd_emu10k1x_pcm_hw_free,
543 .prepare = snd_emu10k1x_pcm_prepare,
544 .trigger = snd_emu10k1x_pcm_trigger,
545 .pointer = snd_emu10k1x_pcm_pointer,
546};
547
548
549static int snd_emu10k1x_pcm_open_capture(struct snd_pcm_substream *substream)
550{
551 struct emu10k1x *chip = snd_pcm_substream_chip(substream);
552 struct emu10k1x_pcm *epcm;
553 struct snd_pcm_runtime *runtime = substream->runtime;
554 int err;
555
556 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
557 return err;
558 if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 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 snd_pcm_lib_malloc_pages(substream,
598 params_buffer_bytes(hw_params));
599}
600
601
602static int snd_emu10k1x_pcm_hw_free_capture(struct snd_pcm_substream *substream)
603{
604 struct snd_pcm_runtime *runtime = substream->runtime;
605
606 struct emu10k1x_pcm *epcm;
607
608 if (runtime->private_data == NULL)
609 return 0;
610 epcm = runtime->private_data;
611
612 if (epcm->voice) {
613 epcm->voice->use = 0;
614 epcm->voice->epcm = NULL;
615 epcm->voice = NULL;
616 }
617
618 return snd_pcm_lib_free_pages(substream);
619}
620
621
622static int snd_emu10k1x_pcm_prepare_capture(struct snd_pcm_substream *substream)
623{
624 struct emu10k1x *emu = snd_pcm_substream_chip(substream);
625 struct snd_pcm_runtime *runtime = substream->runtime;
626
627 snd_emu10k1x_ptr_write(emu, CAPTURE_DMA_ADDR, 0, runtime->dma_addr);
628 snd_emu10k1x_ptr_write(emu, CAPTURE_BUFFER_SIZE, 0, frames_to_bytes(runtime, runtime->buffer_size)<<16);
629 snd_emu10k1x_ptr_write(emu, CAPTURE_POINTER, 0, 0);
630 snd_emu10k1x_ptr_write(emu, CAPTURE_UNKNOWN, 0, 0);
631
632 return 0;
633}
634
635
636static int snd_emu10k1x_pcm_trigger_capture(struct snd_pcm_substream *substream,
637 int cmd)
638{
639 struct emu10k1x *emu = snd_pcm_substream_chip(substream);
640 struct snd_pcm_runtime *runtime = substream->runtime;
641 struct emu10k1x_pcm *epcm = runtime->private_data;
642 int result = 0;
643
644 switch (cmd) {
645 case SNDRV_PCM_TRIGGER_START:
646 snd_emu10k1x_intr_enable(emu, INTE_CAP_0_LOOP |
647 INTE_CAP_0_HALF_LOOP);
648 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|TRIGGER_CAPTURE);
649 epcm->running = 1;
650 break;
651 case SNDRV_PCM_TRIGGER_STOP:
652 epcm->running = 0;
653 snd_emu10k1x_intr_disable(emu, INTE_CAP_0_LOOP |
654 INTE_CAP_0_HALF_LOOP);
655 snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CAPTURE));
656 break;
657 default:
658 result = -EINVAL;
659 break;
660 }
661 return result;
662}
663
664
665static snd_pcm_uframes_t
666snd_emu10k1x_pcm_pointer_capture(struct snd_pcm_substream *substream)
667{
668 struct emu10k1x *emu = snd_pcm_substream_chip(substream);
669 struct snd_pcm_runtime *runtime = substream->runtime;
670 struct emu10k1x_pcm *epcm = runtime->private_data;
671 snd_pcm_uframes_t ptr;
672
673 if (!epcm->running)
674 return 0;
675
676 ptr = bytes_to_frames(runtime, snd_emu10k1x_ptr_read(emu, CAPTURE_POINTER, 0));
677 if (ptr >= runtime->buffer_size)
678 ptr -= runtime->buffer_size;
679
680 return ptr;
681}
682
683static const struct snd_pcm_ops snd_emu10k1x_capture_ops = {
684 .open = snd_emu10k1x_pcm_open_capture,
685 .close = snd_emu10k1x_pcm_close_capture,
686 .ioctl = snd_pcm_lib_ioctl,
687 .hw_params = snd_emu10k1x_pcm_hw_params_capture,
688 .hw_free = snd_emu10k1x_pcm_hw_free_capture,
689 .prepare = snd_emu10k1x_pcm_prepare_capture,
690 .trigger = snd_emu10k1x_pcm_trigger_capture,
691 .pointer = snd_emu10k1x_pcm_pointer_capture,
692};
693
694static unsigned short snd_emu10k1x_ac97_read(struct snd_ac97 *ac97,
695 unsigned short reg)
696{
697 struct emu10k1x *emu = ac97->private_data;
698 unsigned long flags;
699 unsigned short val;
700
701 spin_lock_irqsave(&emu->emu_lock, flags);
702 outb(reg, emu->port + AC97ADDRESS);
703 val = inw(emu->port + AC97DATA);
704 spin_unlock_irqrestore(&emu->emu_lock, flags);
705 return val;
706}
707
708static void snd_emu10k1x_ac97_write(struct snd_ac97 *ac97,
709 unsigned short reg, unsigned short val)
710{
711 struct emu10k1x *emu = ac97->private_data;
712 unsigned long flags;
713
714 spin_lock_irqsave(&emu->emu_lock, flags);
715 outb(reg, emu->port + AC97ADDRESS);
716 outw(val, emu->port + AC97DATA);
717 spin_unlock_irqrestore(&emu->emu_lock, flags);
718}
719
720static int snd_emu10k1x_ac97(struct emu10k1x *chip)
721{
722 struct snd_ac97_bus *pbus;
723 struct snd_ac97_template ac97;
724 int err;
725 static struct snd_ac97_bus_ops ops = {
726 .write = snd_emu10k1x_ac97_write,
727 .read = snd_emu10k1x_ac97_read,
728 };
729
730 if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus)) < 0)
731 return err;
732 pbus->no_vra = 1;
733
734 memset(&ac97, 0, sizeof(ac97));
735 ac97.private_data = chip;
736 ac97.scaps = AC97_SCAP_NO_SPDIF;
737 return snd_ac97_mixer(pbus, &ac97, &chip->ac97);
738}
739
740static int snd_emu10k1x_free(struct emu10k1x *chip)
741{
742 snd_emu10k1x_ptr_write(chip, TRIGGER_CHANNEL, 0, 0);
743
744 outl(0, chip->port + INTE);
745
746 outl(HCFG_LOCKSOUNDCACHE, chip->port + HCFG);
747
748
749 if (chip->irq >= 0)
750 free_irq(chip->irq, chip);
751
752
753 release_and_free_resource(chip->res_port);
754
755
756 if (chip->dma_buffer.area) {
757 snd_dma_free_pages(&chip->dma_buffer);
758 }
759
760 pci_disable_device(chip->pci);
761
762
763 kfree(chip);
764 return 0;
765}
766
767static int snd_emu10k1x_dev_free(struct snd_device *device)
768{
769 struct emu10k1x *chip = device->device_data;
770 return snd_emu10k1x_free(chip);
771}
772
773static irqreturn_t snd_emu10k1x_interrupt(int irq, void *dev_id)
774{
775 unsigned int status;
776
777 struct emu10k1x *chip = dev_id;
778 struct emu10k1x_voice *pvoice = chip->voices;
779 int i;
780 int mask;
781
782 status = inl(chip->port + IPR);
783
784 if (! status)
785 return IRQ_NONE;
786
787
788 if (status & (IPR_CAP_0_LOOP | IPR_CAP_0_HALF_LOOP)) {
789 struct emu10k1x_voice *cap_voice = &chip->capture_voice;
790 if (cap_voice->use)
791 snd_emu10k1x_pcm_interrupt(chip, cap_voice);
792 else
793 snd_emu10k1x_intr_disable(chip,
794 INTE_CAP_0_LOOP |
795 INTE_CAP_0_HALF_LOOP);
796 }
797
798 mask = IPR_CH_0_LOOP|IPR_CH_0_HALF_LOOP;
799 for (i = 0; i < 3; i++) {
800 if (status & mask) {
801 if (pvoice->use)
802 snd_emu10k1x_pcm_interrupt(chip, pvoice);
803 else
804 snd_emu10k1x_intr_disable(chip, mask);
805 }
806 pvoice++;
807 mask <<= 1;
808 }
809
810 if (status & (IPR_MIDITRANSBUFEMPTY|IPR_MIDIRECVBUFEMPTY)) {
811 if (chip->midi.interrupt)
812 chip->midi.interrupt(chip, status);
813 else
814 snd_emu10k1x_intr_disable(chip, INTE_MIDITXENABLE|INTE_MIDIRXENABLE);
815 }
816
817
818 outl(status, chip->port + IPR);
819
820
821 return IRQ_HANDLED;
822}
823
824static const struct snd_pcm_chmap_elem surround_map[] = {
825 { .channels = 2,
826 .map = { SNDRV_CHMAP_RL, SNDRV_CHMAP_RR } },
827 { }
828};
829
830static const struct snd_pcm_chmap_elem clfe_map[] = {
831 { .channels = 2,
832 .map = { SNDRV_CHMAP_FC, SNDRV_CHMAP_LFE } },
833 { }
834};
835
836static int snd_emu10k1x_pcm(struct emu10k1x *emu, int device)
837{
838 struct snd_pcm *pcm;
839 const struct snd_pcm_chmap_elem *map = NULL;
840 int err;
841 int capture = 0;
842
843 if (device == 0)
844 capture = 1;
845
846 if ((err = snd_pcm_new(emu->card, "emu10k1x", device, 1, capture, &pcm)) < 0)
847 return err;
848
849 pcm->private_data = emu;
850
851 switch(device) {
852 case 0:
853 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops);
854 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1x_capture_ops);
855 break;
856 case 1:
857 case 2:
858 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops);
859 break;
860 }
861
862 pcm->info_flags = 0;
863 switch(device) {
864 case 0:
865 strcpy(pcm->name, "EMU10K1X Front");
866 map = snd_pcm_std_chmaps;
867 break;
868 case 1:
869 strcpy(pcm->name, "EMU10K1X Rear");
870 map = surround_map;
871 break;
872 case 2:
873 strcpy(pcm->name, "EMU10K1X Center/LFE");
874 map = clfe_map;
875 break;
876 }
877 emu->pcm = pcm;
878
879 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
880 snd_dma_pci_data(emu->pci),
881 32*1024, 32*1024);
882
883 return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, map, 2,
884 1 << 2, NULL);
885}
886
887static int snd_emu10k1x_create(struct snd_card *card,
888 struct pci_dev *pci,
889 struct emu10k1x **rchip)
890{
891 struct emu10k1x *chip;
892 int err;
893 int ch;
894 static struct snd_device_ops ops = {
895 .dev_free = snd_emu10k1x_dev_free,
896 };
897
898 *rchip = NULL;
899
900 if ((err = pci_enable_device(pci)) < 0)
901 return err;
902 if (pci_set_dma_mask(pci, DMA_BIT_MASK(28)) < 0 ||
903 pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(28)) < 0) {
904 dev_err(card->dev, "error to set 28bit mask DMA\n");
905 pci_disable_device(pci);
906 return -ENXIO;
907 }
908
909 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
910 if (chip == NULL) {
911 pci_disable_device(pci);
912 return -ENOMEM;
913 }
914
915 chip->card = card;
916 chip->pci = pci;
917 chip->irq = -1;
918
919 spin_lock_init(&chip->emu_lock);
920 spin_lock_init(&chip->voice_lock);
921
922 chip->port = pci_resource_start(pci, 0);
923 if ((chip->res_port = request_region(chip->port, 8,
924 "EMU10K1X")) == NULL) {
925 dev_err(card->dev, "cannot allocate the port 0x%lx\n",
926 chip->port);
927 snd_emu10k1x_free(chip);
928 return -EBUSY;
929 }
930
931 if (request_irq(pci->irq, snd_emu10k1x_interrupt,
932 IRQF_SHARED, KBUILD_MODNAME, chip)) {
933 dev_err(card->dev, "cannot grab irq %d\n", pci->irq);
934 snd_emu10k1x_free(chip);
935 return -EBUSY;
936 }
937 chip->irq = pci->irq;
938
939 if(snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
940 4 * 1024, &chip->dma_buffer) < 0) {
941 snd_emu10k1x_free(chip);
942 return -ENOMEM;
943 }
944
945 pci_set_master(pci);
946
947 chip->revision = pci->revision;
948 pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &chip->serial);
949 pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &chip->model);
950 dev_info(card->dev, "Model %04x Rev %08x Serial %08x\n", chip->model,
951 chip->revision, chip->serial);
952
953 outl(0, chip->port + INTE);
954
955 for(ch = 0; ch < 3; ch++) {
956 chip->voices[ch].emu = chip;
957 chip->voices[ch].number = ch;
958 }
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974 snd_emu10k1x_ptr_write(chip, SPCS0, 0,
975 chip->spdif_bits[0] =
976 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
977 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
978 SPCS_GENERATIONSTATUS | 0x00001200 |
979 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
980 snd_emu10k1x_ptr_write(chip, SPCS1, 0,
981 chip->spdif_bits[1] =
982 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
983 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
984 SPCS_GENERATIONSTATUS | 0x00001200 |
985 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
986 snd_emu10k1x_ptr_write(chip, SPCS2, 0,
987 chip->spdif_bits[2] =
988 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
989 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
990 SPCS_GENERATIONSTATUS | 0x00001200 |
991 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
992
993 snd_emu10k1x_ptr_write(chip, SPDIF_SELECT, 0, 0x700);
994 snd_emu10k1x_ptr_write(chip, ROUTING, 0, 0x1003F);
995 snd_emu10k1x_gpio_write(chip, 0x1080);
996
997 outl(HCFG_LOCKSOUNDCACHE|HCFG_AUDIOENABLE, chip->port+HCFG);
998
999 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL,
1000 chip, &ops)) < 0) {
1001 snd_emu10k1x_free(chip);
1002 return err;
1003 }
1004 *rchip = chip;
1005 return 0;
1006}
1007
1008static void snd_emu10k1x_proc_reg_read(struct snd_info_entry *entry,
1009 struct snd_info_buffer *buffer)
1010{
1011 struct emu10k1x *emu = entry->private_data;
1012 unsigned long value,value1,value2;
1013 unsigned long flags;
1014 int i;
1015
1016 snd_iprintf(buffer, "Registers:\n\n");
1017 for(i = 0; i < 0x20; i+=4) {
1018 spin_lock_irqsave(&emu->emu_lock, flags);
1019 value = inl(emu->port + i);
1020 spin_unlock_irqrestore(&emu->emu_lock, flags);
1021 snd_iprintf(buffer, "Register %02X: %08lX\n", i, value);
1022 }
1023 snd_iprintf(buffer, "\nRegisters\n\n");
1024 for(i = 0; i <= 0x48; i++) {
1025 value = snd_emu10k1x_ptr_read(emu, i, 0);
1026 if(i < 0x10 || (i >= 0x20 && i < 0x40)) {
1027 value1 = snd_emu10k1x_ptr_read(emu, i, 1);
1028 value2 = snd_emu10k1x_ptr_read(emu, i, 2);
1029 snd_iprintf(buffer, "%02X: %08lX %08lX %08lX\n", i, value, value1, value2);
1030 } else {
1031 snd_iprintf(buffer, "%02X: %08lX\n", i, value);
1032 }
1033 }
1034}
1035
1036static void snd_emu10k1x_proc_reg_write(struct snd_info_entry *entry,
1037 struct snd_info_buffer *buffer)
1038{
1039 struct emu10k1x *emu = entry->private_data;
1040 char line[64];
1041 unsigned int reg, channel_id , val;
1042
1043 while (!snd_info_get_line(buffer, line, sizeof(line))) {
1044 if (sscanf(line, "%x %x %x", ®, &channel_id, &val) != 3)
1045 continue;
1046
1047 if (reg < 0x49 && val <= 0xffffffff && channel_id <= 2)
1048 snd_emu10k1x_ptr_write(emu, reg, channel_id, val);
1049 }
1050}
1051
1052static int snd_emu10k1x_proc_init(struct emu10k1x *emu)
1053{
1054 snd_card_rw_proc_new(emu->card, "emu10k1x_regs", emu,
1055 snd_emu10k1x_proc_reg_read,
1056 snd_emu10k1x_proc_reg_write);
1057 return 0;
1058}
1059
1060#define snd_emu10k1x_shared_spdif_info snd_ctl_boolean_mono_info
1061
1062static int snd_emu10k1x_shared_spdif_get(struct snd_kcontrol *kcontrol,
1063 struct snd_ctl_elem_value *ucontrol)
1064{
1065 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
1066
1067 ucontrol->value.integer.value[0] = (snd_emu10k1x_ptr_read(emu, SPDIF_SELECT, 0) == 0x700) ? 0 : 1;
1068
1069 return 0;
1070}
1071
1072static int snd_emu10k1x_shared_spdif_put(struct snd_kcontrol *kcontrol,
1073 struct snd_ctl_elem_value *ucontrol)
1074{
1075 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
1076 unsigned int val;
1077
1078 val = ucontrol->value.integer.value[0] ;
1079
1080 if (val) {
1081
1082 snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x000);
1083 snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x700);
1084 snd_emu10k1x_gpio_write(emu, 0x1000);
1085 } else {
1086
1087 snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x700);
1088 snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x1003F);
1089 snd_emu10k1x_gpio_write(emu, 0x1080);
1090 }
1091 return 0;
1092}
1093
1094static const struct snd_kcontrol_new snd_emu10k1x_shared_spdif =
1095{
1096 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1097 .name = "Analog/Digital Output Jack",
1098 .info = snd_emu10k1x_shared_spdif_info,
1099 .get = snd_emu10k1x_shared_spdif_get,
1100 .put = snd_emu10k1x_shared_spdif_put
1101};
1102
1103static int snd_emu10k1x_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1104{
1105 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1106 uinfo->count = 1;
1107 return 0;
1108}
1109
1110static int snd_emu10k1x_spdif_get(struct snd_kcontrol *kcontrol,
1111 struct snd_ctl_elem_value *ucontrol)
1112{
1113 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
1114 unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1115
1116 ucontrol->value.iec958.status[0] = (emu->spdif_bits[idx] >> 0) & 0xff;
1117 ucontrol->value.iec958.status[1] = (emu->spdif_bits[idx] >> 8) & 0xff;
1118 ucontrol->value.iec958.status[2] = (emu->spdif_bits[idx] >> 16) & 0xff;
1119 ucontrol->value.iec958.status[3] = (emu->spdif_bits[idx] >> 24) & 0xff;
1120 return 0;
1121}
1122
1123static int snd_emu10k1x_spdif_get_mask(struct snd_kcontrol *kcontrol,
1124 struct snd_ctl_elem_value *ucontrol)
1125{
1126 ucontrol->value.iec958.status[0] = 0xff;
1127 ucontrol->value.iec958.status[1] = 0xff;
1128 ucontrol->value.iec958.status[2] = 0xff;
1129 ucontrol->value.iec958.status[3] = 0xff;
1130 return 0;
1131}
1132
1133static int snd_emu10k1x_spdif_put(struct snd_kcontrol *kcontrol,
1134 struct snd_ctl_elem_value *ucontrol)
1135{
1136 struct emu10k1x *emu = snd_kcontrol_chip(kcontrol);
1137 unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1138 int change;
1139 unsigned int val;
1140
1141 val = (ucontrol->value.iec958.status[0] << 0) |
1142 (ucontrol->value.iec958.status[1] << 8) |
1143 (ucontrol->value.iec958.status[2] << 16) |
1144 (ucontrol->value.iec958.status[3] << 24);
1145 change = val != emu->spdif_bits[idx];
1146 if (change) {
1147 snd_emu10k1x_ptr_write(emu, SPCS0 + idx, 0, val);
1148 emu->spdif_bits[idx] = val;
1149 }
1150 return change;
1151}
1152
1153static const struct snd_kcontrol_new snd_emu10k1x_spdif_mask_control =
1154{
1155 .access = SNDRV_CTL_ELEM_ACCESS_READ,
1156 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1157 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
1158 .count = 3,
1159 .info = snd_emu10k1x_spdif_info,
1160 .get = snd_emu10k1x_spdif_get_mask
1161};
1162
1163static const struct snd_kcontrol_new snd_emu10k1x_spdif_control =
1164{
1165 .iface = SNDRV_CTL_ELEM_IFACE_PCM,
1166 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1167 .count = 3,
1168 .info = snd_emu10k1x_spdif_info,
1169 .get = snd_emu10k1x_spdif_get,
1170 .put = snd_emu10k1x_spdif_put
1171};
1172
1173static int snd_emu10k1x_mixer(struct emu10k1x *emu)
1174{
1175 int err;
1176 struct snd_kcontrol *kctl;
1177 struct snd_card *card = emu->card;
1178
1179 if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_mask_control, emu)) == NULL)
1180 return -ENOMEM;
1181 if ((err = snd_ctl_add(card, kctl)))
1182 return err;
1183 if ((kctl = snd_ctl_new1(&snd_emu10k1x_shared_spdif, emu)) == NULL)
1184 return -ENOMEM;
1185 if ((err = snd_ctl_add(card, kctl)))
1186 return err;
1187 if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_control, emu)) == NULL)
1188 return -ENOMEM;
1189 if ((err = snd_ctl_add(card, kctl)))
1190 return err;
1191
1192 return 0;
1193}
1194
1195#define EMU10K1X_MIDI_MODE_INPUT (1<<0)
1196#define EMU10K1X_MIDI_MODE_OUTPUT (1<<1)
1197
1198static inline unsigned char mpu401_read(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int idx)
1199{
1200 return (unsigned char)snd_emu10k1x_ptr_read(emu, mpu->port + idx, 0);
1201}
1202
1203static inline void mpu401_write(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int data, int idx)
1204{
1205 snd_emu10k1x_ptr_write(emu, mpu->port + idx, 0, data);
1206}
1207
1208#define mpu401_write_data(emu, mpu, data) mpu401_write(emu, mpu, data, 0)
1209#define mpu401_write_cmd(emu, mpu, data) mpu401_write(emu, mpu, data, 1)
1210#define mpu401_read_data(emu, mpu) mpu401_read(emu, mpu, 0)
1211#define mpu401_read_stat(emu, mpu) mpu401_read(emu, mpu, 1)
1212
1213#define mpu401_input_avail(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x80))
1214#define mpu401_output_ready(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x40))
1215
1216#define MPU401_RESET 0xff
1217#define MPU401_ENTER_UART 0x3f
1218#define MPU401_ACK 0xfe
1219
1220static void mpu401_clear_rx(struct emu10k1x *emu, struct emu10k1x_midi *mpu)
1221{
1222 int timeout = 100000;
1223 for (; timeout > 0 && mpu401_input_avail(emu, mpu); timeout--)
1224 mpu401_read_data(emu, mpu);
1225#ifdef CONFIG_SND_DEBUG
1226 if (timeout <= 0)
1227 dev_err(emu->card->dev,
1228 "cmd: clear rx timeout (status = 0x%x)\n",
1229 mpu401_read_stat(emu, mpu));
1230#endif
1231}
1232
1233
1234
1235
1236
1237static void do_emu10k1x_midi_interrupt(struct emu10k1x *emu,
1238 struct emu10k1x_midi *midi, unsigned int status)
1239{
1240 unsigned char byte;
1241
1242 if (midi->rmidi == NULL) {
1243 snd_emu10k1x_intr_disable(emu, midi->tx_enable | midi->rx_enable);
1244 return;
1245 }
1246
1247 spin_lock(&midi->input_lock);
1248 if ((status & midi->ipr_rx) && mpu401_input_avail(emu, midi)) {
1249 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {
1250 mpu401_clear_rx(emu, midi);
1251 } else {
1252 byte = mpu401_read_data(emu, midi);
1253 if (midi->substream_input)
1254 snd_rawmidi_receive(midi->substream_input, &byte, 1);
1255 }
1256 }
1257 spin_unlock(&midi->input_lock);
1258
1259 spin_lock(&midi->output_lock);
1260 if ((status & midi->ipr_tx) && mpu401_output_ready(emu, midi)) {
1261 if (midi->substream_output &&
1262 snd_rawmidi_transmit(midi->substream_output, &byte, 1) == 1) {
1263 mpu401_write_data(emu, midi, byte);
1264 } else {
1265 snd_emu10k1x_intr_disable(emu, midi->tx_enable);
1266 }
1267 }
1268 spin_unlock(&midi->output_lock);
1269}
1270
1271static void snd_emu10k1x_midi_interrupt(struct emu10k1x *emu, unsigned int status)
1272{
1273 do_emu10k1x_midi_interrupt(emu, &emu->midi, status);
1274}
1275
1276static int snd_emu10k1x_midi_cmd(struct emu10k1x * emu,
1277 struct emu10k1x_midi *midi, unsigned char cmd, int ack)
1278{
1279 unsigned long flags;
1280 int timeout, ok;
1281
1282 spin_lock_irqsave(&midi->input_lock, flags);
1283 mpu401_write_data(emu, midi, 0x00);
1284
1285
1286 mpu401_write_cmd(emu, midi, cmd);
1287 if (ack) {
1288 ok = 0;
1289 timeout = 10000;
1290 while (!ok && timeout-- > 0) {
1291 if (mpu401_input_avail(emu, midi)) {
1292 if (mpu401_read_data(emu, midi) == MPU401_ACK)
1293 ok = 1;
1294 }
1295 }
1296 if (!ok && mpu401_read_data(emu, midi) == MPU401_ACK)
1297 ok = 1;
1298 } else {
1299 ok = 1;
1300 }
1301 spin_unlock_irqrestore(&midi->input_lock, flags);
1302 if (!ok) {
1303 dev_err(emu->card->dev,
1304 "midi_cmd: 0x%x failed at 0x%lx (status = 0x%x, data = 0x%x)!!!\n",
1305 cmd, emu->port,
1306 mpu401_read_stat(emu, midi),
1307 mpu401_read_data(emu, midi));
1308 return 1;
1309 }
1310 return 0;
1311}
1312
1313static int snd_emu10k1x_midi_input_open(struct snd_rawmidi_substream *substream)
1314{
1315 struct emu10k1x *emu;
1316 struct emu10k1x_midi *midi = substream->rmidi->private_data;
1317 unsigned long flags;
1318
1319 emu = midi->emu;
1320 if (snd_BUG_ON(!emu))
1321 return -ENXIO;
1322 spin_lock_irqsave(&midi->open_lock, flags);
1323 midi->midi_mode |= EMU10K1X_MIDI_MODE_INPUT;
1324 midi->substream_input = substream;
1325 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) {
1326 spin_unlock_irqrestore(&midi->open_lock, flags);
1327 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1))
1328 goto error_out;
1329 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1))
1330 goto error_out;
1331 } else {
1332 spin_unlock_irqrestore(&midi->open_lock, flags);
1333 }
1334 return 0;
1335
1336error_out:
1337 return -EIO;
1338}
1339
1340static int snd_emu10k1x_midi_output_open(struct snd_rawmidi_substream *substream)
1341{
1342 struct emu10k1x *emu;
1343 struct emu10k1x_midi *midi = substream->rmidi->private_data;
1344 unsigned long flags;
1345
1346 emu = midi->emu;
1347 if (snd_BUG_ON(!emu))
1348 return -ENXIO;
1349 spin_lock_irqsave(&midi->open_lock, flags);
1350 midi->midi_mode |= EMU10K1X_MIDI_MODE_OUTPUT;
1351 midi->substream_output = substream;
1352 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {
1353 spin_unlock_irqrestore(&midi->open_lock, flags);
1354 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1))
1355 goto error_out;
1356 if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1))
1357 goto error_out;
1358 } else {
1359 spin_unlock_irqrestore(&midi->open_lock, flags);
1360 }
1361 return 0;
1362
1363error_out:
1364 return -EIO;
1365}
1366
1367static int snd_emu10k1x_midi_input_close(struct snd_rawmidi_substream *substream)
1368{
1369 struct emu10k1x *emu;
1370 struct emu10k1x_midi *midi = substream->rmidi->private_data;
1371 unsigned long flags;
1372 int err = 0;
1373
1374 emu = midi->emu;
1375 if (snd_BUG_ON(!emu))
1376 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 if (snd_BUG_ON(!emu))
1399 return -ENXIO;
1400 spin_lock_irqsave(&midi->open_lock, flags);
1401 snd_emu10k1x_intr_disable(emu, midi->tx_enable);
1402 midi->midi_mode &= ~EMU10K1X_MIDI_MODE_OUTPUT;
1403 midi->substream_output = NULL;
1404 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {
1405 spin_unlock_irqrestore(&midi->open_lock, flags);
1406 err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0);
1407 } else {
1408 spin_unlock_irqrestore(&midi->open_lock, flags);
1409 }
1410 return err;
1411}
1412
1413static void snd_emu10k1x_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
1414{
1415 struct emu10k1x *emu;
1416 struct emu10k1x_midi *midi = substream->rmidi->private_data;
1417 emu = midi->emu;
1418 if (snd_BUG_ON(!emu))
1419 return;
1420
1421 if (up)
1422 snd_emu10k1x_intr_enable(emu, midi->rx_enable);
1423 else
1424 snd_emu10k1x_intr_disable(emu, midi->rx_enable);
1425}
1426
1427static void snd_emu10k1x_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
1428{
1429 struct emu10k1x *emu;
1430 struct emu10k1x_midi *midi = substream->rmidi->private_data;
1431 unsigned long flags;
1432
1433 emu = midi->emu;
1434 if (snd_BUG_ON(!emu))
1435 return;
1436
1437 if (up) {
1438 int max = 4;
1439 unsigned char byte;
1440
1441
1442 spin_lock_irqsave(&midi->output_lock, flags);
1443 while (max > 0) {
1444 if (mpu401_output_ready(emu, midi)) {
1445 if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT) ||
1446 snd_rawmidi_transmit(substream, &byte, 1) != 1) {
1447
1448 spin_unlock_irqrestore(&midi->output_lock, flags);
1449 return;
1450 }
1451 mpu401_write_data(emu, midi, byte);
1452 max--;
1453 } else {
1454 break;
1455 }
1456 }
1457 spin_unlock_irqrestore(&midi->output_lock, flags);
1458 snd_emu10k1x_intr_enable(emu, midi->tx_enable);
1459 } else {
1460 snd_emu10k1x_intr_disable(emu, midi->tx_enable);
1461 }
1462}
1463
1464
1465
1466
1467
1468static const struct snd_rawmidi_ops snd_emu10k1x_midi_output =
1469{
1470 .open = snd_emu10k1x_midi_output_open,
1471 .close = snd_emu10k1x_midi_output_close,
1472 .trigger = snd_emu10k1x_midi_output_trigger,
1473};
1474
1475static const struct snd_rawmidi_ops snd_emu10k1x_midi_input =
1476{
1477 .open = snd_emu10k1x_midi_input_open,
1478 .close = snd_emu10k1x_midi_input_close,
1479 .trigger = snd_emu10k1x_midi_input_trigger,
1480};
1481
1482static void snd_emu10k1x_midi_free(struct snd_rawmidi *rmidi)
1483{
1484 struct emu10k1x_midi *midi = rmidi->private_data;
1485 midi->interrupt = NULL;
1486 midi->rmidi = NULL;
1487}
1488
1489static int emu10k1x_midi_init(struct emu10k1x *emu,
1490 struct emu10k1x_midi *midi, int device,
1491 char *name)
1492{
1493 struct snd_rawmidi *rmidi;
1494 int err;
1495
1496 if ((err = snd_rawmidi_new(emu->card, name, device, 1, 1, &rmidi)) < 0)
1497 return err;
1498 midi->emu = emu;
1499 spin_lock_init(&midi->open_lock);
1500 spin_lock_init(&midi->input_lock);
1501 spin_lock_init(&midi->output_lock);
1502 strcpy(rmidi->name, name);
1503 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_emu10k1x_midi_output);
1504 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_emu10k1x_midi_input);
1505 rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT |
1506 SNDRV_RAWMIDI_INFO_INPUT |
1507 SNDRV_RAWMIDI_INFO_DUPLEX;
1508 rmidi->private_data = midi;
1509 rmidi->private_free = snd_emu10k1x_midi_free;
1510 midi->rmidi = rmidi;
1511 return 0;
1512}
1513
1514static int snd_emu10k1x_midi(struct emu10k1x *emu)
1515{
1516 struct emu10k1x_midi *midi = &emu->midi;
1517 int err;
1518
1519 if ((err = emu10k1x_midi_init(emu, midi, 0, "EMU10K1X MPU-401 (UART)")) < 0)
1520 return err;
1521
1522 midi->tx_enable = INTE_MIDITXENABLE;
1523 midi->rx_enable = INTE_MIDIRXENABLE;
1524 midi->port = MUDATA;
1525 midi->ipr_tx = IPR_MIDITRANSBUFEMPTY;
1526 midi->ipr_rx = IPR_MIDIRECVBUFEMPTY;
1527 midi->interrupt = snd_emu10k1x_midi_interrupt;
1528 return 0;
1529}
1530
1531static int snd_emu10k1x_probe(struct pci_dev *pci,
1532 const struct pci_device_id *pci_id)
1533{
1534 static int dev;
1535 struct snd_card *card;
1536 struct emu10k1x *chip;
1537 int err;
1538
1539 if (dev >= SNDRV_CARDS)
1540 return -ENODEV;
1541 if (!enable[dev]) {
1542 dev++;
1543 return -ENOENT;
1544 }
1545
1546 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
1547 0, &card);
1548 if (err < 0)
1549 return err;
1550
1551 if ((err = snd_emu10k1x_create(card, pci, &chip)) < 0) {
1552 snd_card_free(card);
1553 return err;
1554 }
1555
1556 if ((err = snd_emu10k1x_pcm(chip, 0)) < 0) {
1557 snd_card_free(card);
1558 return err;
1559 }
1560 if ((err = snd_emu10k1x_pcm(chip, 1)) < 0) {
1561 snd_card_free(card);
1562 return err;
1563 }
1564 if ((err = snd_emu10k1x_pcm(chip, 2)) < 0) {
1565 snd_card_free(card);
1566 return err;
1567 }
1568
1569 if ((err = snd_emu10k1x_ac97(chip)) < 0) {
1570 snd_card_free(card);
1571 return err;
1572 }
1573
1574 if ((err = snd_emu10k1x_mixer(chip)) < 0) {
1575 snd_card_free(card);
1576 return err;
1577 }
1578
1579 if ((err = snd_emu10k1x_midi(chip)) < 0) {
1580 snd_card_free(card);
1581 return err;
1582 }
1583
1584 snd_emu10k1x_proc_init(chip);
1585
1586 strcpy(card->driver, "EMU10K1X");
1587 strcpy(card->shortname, "Dell Sound Blaster Live!");
1588 sprintf(card->longname, "%s at 0x%lx irq %i",
1589 card->shortname, chip->port, chip->irq);
1590
1591 if ((err = snd_card_register(card)) < 0) {
1592 snd_card_free(card);
1593 return err;
1594 }
1595
1596 pci_set_drvdata(pci, card);
1597 dev++;
1598 return 0;
1599}
1600
1601static void snd_emu10k1x_remove(struct pci_dev *pci)
1602{
1603 snd_card_free(pci_get_drvdata(pci));
1604}
1605
1606
1607static const struct pci_device_id snd_emu10k1x_ids[] = {
1608 { PCI_VDEVICE(CREATIVE, 0x0006), 0 },
1609 { 0, }
1610};
1611MODULE_DEVICE_TABLE(pci, snd_emu10k1x_ids);
1612
1613
1614static struct pci_driver emu10k1x_driver = {
1615 .name = KBUILD_MODNAME,
1616 .id_table = snd_emu10k1x_ids,
1617 .probe = snd_emu10k1x_probe,
1618 .remove = snd_emu10k1x_remove,
1619};
1620
1621module_pci_driver(emu10k1x_driver);
1622
