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14#include <linux/io.h>
15#include <linux/delay.h>
16#include <linux/interrupt.h>
17#include <linux/init.h>
18#include <linux/pci.h>
19#include <linux/slab.h>
20#include <linux/module.h>
21#include <linux/dma-mapping.h>
22#include <sound/core.h>
23#include <sound/pcm.h>
24#include <sound/info.h>
25#include <sound/ac97_codec.h>
26#include <sound/mpu401.h>
27#include <sound/initval.h>
28
29MODULE_AUTHOR("Matt Wu <Matt_Wu@acersoftech.com.cn>");
30MODULE_DESCRIPTION("ALI M5451");
31MODULE_LICENSE("GPL");
32MODULE_SUPPORTED_DEVICE("{{ALI,M5451,pci},{ALI,M5451}}");
33
34static int index = SNDRV_DEFAULT_IDX1;
35static char *id = SNDRV_DEFAULT_STR1;
36static int pcm_channels = 32;
37static bool spdif;
38
39module_param(index, int, 0444);
40MODULE_PARM_DESC(index, "Index value for ALI M5451 PCI Audio.");
41module_param(id, charp, 0444);
42MODULE_PARM_DESC(id, "ID string for ALI M5451 PCI Audio.");
43module_param(pcm_channels, int, 0444);
44MODULE_PARM_DESC(pcm_channels, "PCM Channels");
45module_param(spdif, bool, 0444);
46MODULE_PARM_DESC(spdif, "Support SPDIF I/O");
47
48
49static bool enable;
50module_param(enable, bool, 0444);
51
52
53
54
55
56
57#define DEVICE_ID_ALI5451 ((PCI_VENDOR_ID_AL<<16)|PCI_DEVICE_ID_AL_M5451)
58
59
60#define ALI_CHANNELS 32
61
62#define ALI_PCM_IN_CHANNEL 31
63#define ALI_SPDIF_IN_CHANNEL 19
64#define ALI_SPDIF_OUT_CHANNEL 15
65#define ALI_CENTER_CHANNEL 24
66#define ALI_LEF_CHANNEL 23
67#define ALI_SURR_LEFT_CHANNEL 26
68#define ALI_SURR_RIGHT_CHANNEL 25
69#define ALI_MODEM_IN_CHANNEL 21
70#define ALI_MODEM_OUT_CHANNEL 20
71
72#define SNDRV_ALI_VOICE_TYPE_PCM 01
73#define SNDRV_ALI_VOICE_TYPE_OTH 02
74
75#define ALI_5451_V02 0x02
76
77
78
79
80
81#define ALI_LEGACY_DMAR0 0x00
82#define ALI_LEGACY_DMAR4 0x04
83#define ALI_LEGACY_DMAR11 0x0b
84#define ALI_LEGACY_DMAR15 0x0f
85#define ALI_MPUR0 0x20
86#define ALI_MPUR1 0x21
87#define ALI_MPUR2 0x22
88#define ALI_MPUR3 0x23
89
90#define ALI_AC97_WRITE 0x40
91#define ALI_AC97_READ 0x44
92
93#define ALI_SCTRL 0x48
94#define ALI_SPDIF_OUT_ENABLE 0x20
95#define ALI_SCTRL_LINE_IN2 (1 << 9)
96#define ALI_SCTRL_GPIO_IN2 (1 << 13)
97#define ALI_SCTRL_LINE_OUT_EN (1 << 20)
98#define ALI_SCTRL_GPIO_OUT_EN (1 << 23)
99#define ALI_SCTRL_CODEC1_READY (1 << 24)
100#define ALI_SCTRL_CODEC2_READY (1 << 25)
101#define ALI_AC97_GPIO 0x4c
102#define ALI_AC97_GPIO_ENABLE 0x8000
103#define ALI_AC97_GPIO_DATA_SHIFT 16
104#define ALI_SPDIF_CS 0x70
105#define ALI_SPDIF_CTRL 0x74
106#define ALI_SPDIF_IN_FUNC_ENABLE 0x02
107#define ALI_SPDIF_IN_CH_STATUS 0x40
108#define ALI_SPDIF_OUT_CH_STATUS 0xbf
109#define ALI_START 0x80
110#define ALI_STOP 0x84
111#define ALI_CSPF 0x90
112#define ALI_AINT 0x98
113#define ALI_GC_CIR 0xa0
114 #define ENDLP_IE 0x00001000
115 #define MIDLP_IE 0x00002000
116#define ALI_AINTEN 0xa4
117#define ALI_VOLUME 0xa8
118#define ALI_SBDELTA_DELTA_R 0xac
119#define ALI_MISCINT 0xb0
120 #define ADDRESS_IRQ 0x00000020
121 #define TARGET_REACHED 0x00008000
122 #define MIXER_OVERFLOW 0x00000800
123 #define MIXER_UNDERFLOW 0x00000400
124 #define GPIO_IRQ 0x01000000
125#define ALI_SBBL_SBCL 0xc0
126#define ALI_SBCTRL_SBE2R_SBDD 0xc4
127#define ALI_STIMER 0xc8
128#define ALI_GLOBAL_CONTROL 0xd4
129#define ALI_SPDIF_OUT_SEL_PCM 0x00000400
130#define ALI_SPDIF_IN_SUPPORT 0x00000800
131#define ALI_SPDIF_OUT_CH_ENABLE 0x00008000
132#define ALI_SPDIF_IN_CH_ENABLE 0x00080000
133#define ALI_PCM_IN_ENABLE 0x80000000
134
135#define ALI_CSO_ALPHA_FMS 0xe0
136#define ALI_LBA 0xe4
137#define ALI_ESO_DELTA 0xe8
138#define ALI_GVSEL_PAN_VOC_CTRL_EC 0xf0
139#define ALI_EBUF1 0xf4
140#define ALI_EBUF2 0xf8
141
142#define ALI_REG(codec, x) ((codec)->port + x)
143
144#define MAX_CODECS 2
145
146
147struct snd_ali;
148struct snd_ali_voice;
149
150struct snd_ali_channel_control {
151
152 struct REGDATA {
153 unsigned int start;
154 unsigned int stop;
155 unsigned int aint;
156 unsigned int ainten;
157 } data;
158
159
160 struct REGS {
161 unsigned int start;
162 unsigned int stop;
163 unsigned int aint;
164 unsigned int ainten;
165 unsigned int ac97read;
166 unsigned int ac97write;
167 } regs;
168
169};
170
171struct snd_ali_voice {
172 unsigned int number;
173 unsigned int use :1,
174 pcm :1,
175 midi :1,
176 mode :1,
177 synth :1,
178 running :1;
179
180
181 struct snd_ali *codec;
182 struct snd_pcm_substream *substream;
183 struct snd_ali_voice *extra;
184
185 int eso;
186 int count;
187
188
189
190 void *private_data;
191 void (*private_free)(void *private_data);
192};
193
194
195struct snd_alidev {
196
197 struct snd_ali_voice voices[ALI_CHANNELS];
198
199 unsigned int chcnt;
200 unsigned int chmap;
201 unsigned int synthcount;
202
203};
204
205
206#define ALI_GLOBAL_REGS 56
207#define ALI_CHANNEL_REGS 8
208struct snd_ali_image {
209 u32 regs[ALI_GLOBAL_REGS];
210 u32 channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS];
211};
212
213
214struct snd_ali {
215 int irq;
216 unsigned long port;
217 unsigned char revision;
218
219 unsigned int hw_initialized :1;
220 unsigned int spdif_support :1;
221
222 struct pci_dev *pci;
223 struct pci_dev *pci_m1533;
224 struct pci_dev *pci_m7101;
225
226 struct snd_card *card;
227 struct snd_pcm *pcm[MAX_CODECS];
228 struct snd_alidev synth;
229 struct snd_ali_channel_control chregs;
230
231
232 unsigned int spdif_mask;
233
234 unsigned int spurious_irq_count;
235 unsigned int spurious_irq_max_delta;
236
237 unsigned int num_of_codecs;
238
239 struct snd_ac97_bus *ac97_bus;
240 struct snd_ac97 *ac97[MAX_CODECS];
241 unsigned short ac97_ext_id;
242 unsigned short ac97_ext_status;
243
244 spinlock_t reg_lock;
245 spinlock_t voice_alloc;
246
247#ifdef CONFIG_PM_SLEEP
248 struct snd_ali_image *image;
249#endif
250};
251
252static const struct pci_device_id snd_ali_ids[] = {
253 {PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5451), 0, 0, 0},
254 {0, }
255};
256MODULE_DEVICE_TABLE(pci, snd_ali_ids);
257
258static void snd_ali_clear_voices(struct snd_ali *, unsigned int, unsigned int);
259static unsigned short snd_ali_codec_peek(struct snd_ali *, int, unsigned short);
260static void snd_ali_codec_poke(struct snd_ali *, int, unsigned short,
261 unsigned short);
262
263
264
265
266
267static inline unsigned int snd_ali_5451_peek(struct snd_ali *codec,
268 unsigned int port)
269{
270 return (unsigned int)inl(ALI_REG(codec, port));
271}
272
273static inline void snd_ali_5451_poke(struct snd_ali *codec,
274 unsigned int port,
275 unsigned int val)
276{
277 outl((unsigned int)val, ALI_REG(codec, port));
278}
279
280static int snd_ali_codec_ready(struct snd_ali *codec,
281 unsigned int port)
282{
283 unsigned long end_time;
284 unsigned int res;
285
286 end_time = jiffies + msecs_to_jiffies(250);
287
288 for (;;) {
289 res = snd_ali_5451_peek(codec,port);
290 if (!(res & 0x8000))
291 return 0;
292 if (!time_after_eq(end_time, jiffies))
293 break;
294 schedule_timeout_uninterruptible(1);
295 }
296
297 snd_ali_5451_poke(codec, port, res & ~0x8000);
298 dev_dbg(codec->card->dev, "ali_codec_ready: codec is not ready.\n ");
299 return -EIO;
300}
301
302static int snd_ali_stimer_ready(struct snd_ali *codec)
303{
304 unsigned long end_time;
305 unsigned long dwChk1,dwChk2;
306
307 dwChk1 = snd_ali_5451_peek(codec, ALI_STIMER);
308 end_time = jiffies + msecs_to_jiffies(250);
309
310 for (;;) {
311 dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER);
312 if (dwChk2 != dwChk1)
313 return 0;
314 if (!time_after_eq(end_time, jiffies))
315 break;
316 schedule_timeout_uninterruptible(1);
317 }
318
319 dev_err(codec->card->dev, "ali_stimer_read: stimer is not ready.\n");
320 return -EIO;
321}
322
323static void snd_ali_codec_poke(struct snd_ali *codec,int secondary,
324 unsigned short reg,
325 unsigned short val)
326{
327 unsigned int dwVal;
328 unsigned int port;
329
330 if (reg >= 0x80) {
331 dev_err(codec->card->dev,
332 "ali_codec_poke: reg(%xh) invalid.\n", reg);
333 return;
334 }
335
336 port = codec->chregs.regs.ac97write;
337
338 if (snd_ali_codec_ready(codec, port) < 0)
339 return;
340 if (snd_ali_stimer_ready(codec) < 0)
341 return;
342
343 dwVal = (unsigned int) (reg & 0xff);
344 dwVal |= 0x8000 | (val << 16);
345 if (secondary)
346 dwVal |= 0x0080;
347 if (codec->revision == ALI_5451_V02)
348 dwVal |= 0x0100;
349
350 snd_ali_5451_poke(codec, port, dwVal);
351
352 return ;
353}
354
355static unsigned short snd_ali_codec_peek(struct snd_ali *codec,
356 int secondary,
357 unsigned short reg)
358{
359 unsigned int dwVal;
360 unsigned int port;
361
362 if (reg >= 0x80) {
363 dev_err(codec->card->dev,
364 "ali_codec_peek: reg(%xh) invalid.\n", reg);
365 return ~0;
366 }
367
368 port = codec->chregs.regs.ac97read;
369
370 if (snd_ali_codec_ready(codec, port) < 0)
371 return ~0;
372 if (snd_ali_stimer_ready(codec) < 0)
373 return ~0;
374
375 dwVal = (unsigned int) (reg & 0xff);
376 dwVal |= 0x8000;
377 if (secondary)
378 dwVal |= 0x0080;
379
380 snd_ali_5451_poke(codec, port, dwVal);
381
382 if (snd_ali_stimer_ready(codec) < 0)
383 return ~0;
384 if (snd_ali_codec_ready(codec, port) < 0)
385 return ~0;
386
387 return (snd_ali_5451_peek(codec, port) & 0xffff0000) >> 16;
388}
389
390static void snd_ali_codec_write(struct snd_ac97 *ac97,
391 unsigned short reg,
392 unsigned short val )
393{
394 struct snd_ali *codec = ac97->private_data;
395
396 dev_dbg(codec->card->dev, "codec_write: reg=%xh data=%xh.\n", reg, val);
397 if (reg == AC97_GPIO_STATUS) {
398 outl((val << ALI_AC97_GPIO_DATA_SHIFT) | ALI_AC97_GPIO_ENABLE,
399 ALI_REG(codec, ALI_AC97_GPIO));
400 return;
401 }
402 snd_ali_codec_poke(codec, ac97->num, reg, val);
403 return ;
404}
405
406
407static unsigned short snd_ali_codec_read(struct snd_ac97 *ac97,
408 unsigned short reg)
409{
410 struct snd_ali *codec = ac97->private_data;
411
412 dev_dbg(codec->card->dev, "codec_read reg=%xh.\n", reg);
413 return snd_ali_codec_peek(codec, ac97->num, reg);
414}
415
416
417
418
419
420static int snd_ali_reset_5451(struct snd_ali *codec)
421{
422 struct pci_dev *pci_dev;
423 unsigned short wCount, wReg;
424 unsigned int dwVal;
425
426 pci_dev = codec->pci_m1533;
427 if (pci_dev) {
428 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
429 pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000);
430 mdelay(5);
431 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
432 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff);
433 mdelay(5);
434 }
435
436 pci_dev = codec->pci;
437 pci_read_config_dword(pci_dev, 0x44, &dwVal);
438 pci_write_config_dword(pci_dev, 0x44, dwVal | 0x000c0000);
439 udelay(500);
440 pci_read_config_dword(pci_dev, 0x44, &dwVal);
441 pci_write_config_dword(pci_dev, 0x44, dwVal & 0xfffbffff);
442 mdelay(5);
443
444 wCount = 200;
445 while(wCount--) {
446 wReg = snd_ali_codec_peek(codec, 0, AC97_POWERDOWN);
447 if ((wReg & 0x000f) == 0x000f)
448 return 0;
449 mdelay(5);
450 }
451
452
453
454 return 0;
455}
456
457
458
459
460
461static void snd_ali_enable_special_channel(struct snd_ali *codec,
462 unsigned int channel)
463{
464 unsigned long dwVal;
465
466 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
467 dwVal |= 1 << (channel & 0x0000001f);
468 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
469}
470
471static void snd_ali_disable_special_channel(struct snd_ali *codec,
472 unsigned int channel)
473{
474 unsigned long dwVal;
475
476 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
477 dwVal &= ~(1 << (channel & 0x0000001f));
478 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
479}
480
481static void snd_ali_enable_address_interrupt(struct snd_ali *codec)
482{
483 unsigned int gc;
484
485 gc = inl(ALI_REG(codec, ALI_GC_CIR));
486 gc |= ENDLP_IE;
487 gc |= MIDLP_IE;
488 outl( gc, ALI_REG(codec, ALI_GC_CIR));
489}
490
491static void snd_ali_disable_address_interrupt(struct snd_ali *codec)
492{
493 unsigned int gc;
494
495 gc = inl(ALI_REG(codec, ALI_GC_CIR));
496 gc &= ~ENDLP_IE;
497 gc &= ~MIDLP_IE;
498 outl(gc, ALI_REG(codec, ALI_GC_CIR));
499}
500
501static void snd_ali_disable_voice_irq(struct snd_ali *codec,
502 unsigned int channel)
503{
504 unsigned int mask;
505 struct snd_ali_channel_control *pchregs = &(codec->chregs);
506
507 dev_dbg(codec->card->dev, "disable_voice_irq channel=%d\n", channel);
508
509 mask = 1 << (channel & 0x1f);
510 pchregs->data.ainten = inl(ALI_REG(codec, pchregs->regs.ainten));
511 pchregs->data.ainten &= ~mask;
512 outl(pchregs->data.ainten, ALI_REG(codec, pchregs->regs.ainten));
513}
514
515static int snd_ali_alloc_pcm_channel(struct snd_ali *codec, int channel)
516{
517 unsigned int idx = channel & 0x1f;
518
519 if (codec->synth.chcnt >= ALI_CHANNELS){
520 dev_err(codec->card->dev,
521 "ali_alloc_pcm_channel: no free channels.\n");
522 return -1;
523 }
524
525 if (!(codec->synth.chmap & (1 << idx))) {
526 codec->synth.chmap |= 1 << idx;
527 codec->synth.chcnt++;
528 dev_dbg(codec->card->dev, "alloc_pcm_channel no. %d.\n", idx);
529 return idx;
530 }
531 return -1;
532}
533
534static int snd_ali_find_free_channel(struct snd_ali * codec, int rec)
535{
536 int idx;
537 int result = -1;
538
539 dev_dbg(codec->card->dev,
540 "find_free_channel: for %s\n", rec ? "rec" : "pcm");
541
542
543 if (rec) {
544 if (codec->spdif_support &&
545 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
546 ALI_SPDIF_IN_SUPPORT))
547 idx = ALI_SPDIF_IN_CHANNEL;
548 else
549 idx = ALI_PCM_IN_CHANNEL;
550
551 result = snd_ali_alloc_pcm_channel(codec, idx);
552 if (result >= 0)
553 return result;
554 else {
555 dev_err(codec->card->dev,
556 "ali_find_free_channel: record channel is busy now.\n");
557 return -1;
558 }
559 }
560
561
562 if (codec->spdif_support &&
563 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
564 ALI_SPDIF_OUT_CH_ENABLE)) {
565 idx = ALI_SPDIF_OUT_CHANNEL;
566 result = snd_ali_alloc_pcm_channel(codec, idx);
567 if (result >= 0)
568 return result;
569 else
570 dev_err(codec->card->dev,
571 "ali_find_free_channel: S/PDIF out channel is in busy now.\n");
572 }
573
574 for (idx = 0; idx < ALI_CHANNELS; idx++) {
575 result = snd_ali_alloc_pcm_channel(codec, idx);
576 if (result >= 0)
577 return result;
578 }
579 dev_err(codec->card->dev, "ali_find_free_channel: no free channels.\n");
580 return -1;
581}
582
583static void snd_ali_free_channel_pcm(struct snd_ali *codec, int channel)
584{
585 unsigned int idx = channel & 0x0000001f;
586
587 dev_dbg(codec->card->dev, "free_channel_pcm channel=%d\n", channel);
588
589 if (channel < 0 || channel >= ALI_CHANNELS)
590 return;
591
592 if (!(codec->synth.chmap & (1 << idx))) {
593 dev_err(codec->card->dev,
594 "ali_free_channel_pcm: channel %d is not in use.\n",
595 channel);
596 return;
597 } else {
598 codec->synth.chmap &= ~(1 << idx);
599 codec->synth.chcnt--;
600 }
601}
602
603static void snd_ali_stop_voice(struct snd_ali *codec, unsigned int channel)
604{
605 unsigned int mask = 1 << (channel & 0x1f);
606
607 dev_dbg(codec->card->dev, "stop_voice: channel=%d\n", channel);
608 outl(mask, ALI_REG(codec, codec->chregs.regs.stop));
609}
610
611
612
613
614
615static void snd_ali_delay(struct snd_ali *codec,int interval)
616{
617 unsigned long begintimer,currenttimer;
618
619 begintimer = inl(ALI_REG(codec, ALI_STIMER));
620 currenttimer = inl(ALI_REG(codec, ALI_STIMER));
621
622 while (currenttimer < begintimer + interval) {
623 if (snd_ali_stimer_ready(codec) < 0)
624 break;
625 currenttimer = inl(ALI_REG(codec, ALI_STIMER));
626 cpu_relax();
627 }
628}
629
630static void snd_ali_detect_spdif_rate(struct snd_ali *codec)
631{
632 u16 wval;
633 u16 count = 0;
634 u8 bval, R1 = 0, R2;
635
636 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1));
637 bval |= 0x1F;
638 outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL + 1));
639
640 while ((R1 < 0x0b || R1 > 0x0e) && R1 != 0x12 && count <= 50000) {
641 count ++;
642 snd_ali_delay(codec, 6);
643 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1));
644 R1 = bval & 0x1F;
645 }
646
647 if (count > 50000) {
648 dev_err(codec->card->dev, "ali_detect_spdif_rate: timeout!\n");
649 return;
650 }
651
652 for (count = 0; count <= 50000; count++) {
653 snd_ali_delay(codec, 6);
654 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1));
655 R2 = bval & 0x1F;
656 if (R2 != R1)
657 R1 = R2;
658 else
659 break;
660 }
661
662 if (count > 50000) {
663 dev_err(codec->card->dev, "ali_detect_spdif_rate: timeout!\n");
664 return;
665 }
666
667 if (R2 >= 0x0b && R2 <= 0x0e) {
668 wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2));
669 wval &= 0xe0f0;
670 wval |= (0x09 << 8) | 0x05;
671 outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2));
672
673 bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3)) & 0xf0;
674 outb(bval | 0x02, ALI_REG(codec, ALI_SPDIF_CS + 3));
675 } else if (R2 == 0x12) {
676 wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2));
677 wval &= 0xe0f0;
678 wval |= (0x0e << 8) | 0x08;
679 outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2));
680
681 bval = inb(ALI_REG(codec,ALI_SPDIF_CS + 3)) & 0xf0;
682 outb(bval | 0x03, ALI_REG(codec, ALI_SPDIF_CS + 3));
683 }
684}
685
686static unsigned int snd_ali_get_spdif_in_rate(struct snd_ali *codec)
687{
688 u32 dwRate;
689 u8 bval;
690
691 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
692 bval &= 0x7f;
693 bval |= 0x40;
694 outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL));
695
696 snd_ali_detect_spdif_rate(codec);
697
698 bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3));
699 bval &= 0x0f;
700
701 switch (bval) {
702 case 0: dwRate = 44100; break;
703 case 1: dwRate = 48000; break;
704 case 2: dwRate = 32000; break;
705 default: dwRate = 0; break;
706 }
707
708 return dwRate;
709}
710
711static void snd_ali_enable_spdif_in(struct snd_ali *codec)
712{
713 unsigned int dwVal;
714
715 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
716 dwVal |= ALI_SPDIF_IN_SUPPORT;
717 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
718
719 dwVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
720 dwVal |= 0x02;
721 outb(dwVal, ALI_REG(codec, ALI_SPDIF_CTRL));
722
723 snd_ali_enable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
724}
725
726static void snd_ali_disable_spdif_in(struct snd_ali *codec)
727{
728 unsigned int dwVal;
729
730 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
731 dwVal &= ~ALI_SPDIF_IN_SUPPORT;
732 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
733
734 snd_ali_disable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
735}
736
737
738static void snd_ali_set_spdif_out_rate(struct snd_ali *codec, unsigned int rate)
739{
740 unsigned char bVal;
741 unsigned int dwRate;
742
743 switch (rate) {
744 case 32000: dwRate = 0x300; break;
745 case 48000: dwRate = 0x200; break;
746 default: dwRate = 0; break;
747 }
748
749 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
750 bVal &= (unsigned char)(~(1<<6));
751
752 bVal |= 0x80;
753 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
754 outb(dwRate | 0x20, ALI_REG(codec, ALI_SPDIF_CS + 2));
755
756 bVal &= ~0x80;
757 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
758 outw(rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2));
759}
760
761static void snd_ali_enable_spdif_out(struct snd_ali *codec)
762{
763 unsigned short wVal;
764 unsigned char bVal;
765 struct pci_dev *pci_dev;
766
767 pci_dev = codec->pci_m1533;
768 if (pci_dev == NULL)
769 return;
770 pci_read_config_byte(pci_dev, 0x61, &bVal);
771 bVal |= 0x40;
772 pci_write_config_byte(pci_dev, 0x61, bVal);
773 pci_read_config_byte(pci_dev, 0x7d, &bVal);
774 bVal |= 0x01;
775 pci_write_config_byte(pci_dev, 0x7d, bVal);
776
777 pci_read_config_byte(pci_dev, 0x7e, &bVal);
778 bVal &= (~0x20);
779 bVal |= 0x10;
780 pci_write_config_byte(pci_dev, 0x7e, bVal);
781
782 bVal = inb(ALI_REG(codec, ALI_SCTRL));
783 outb(bVal | ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
784
785 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
786 outb(bVal & ALI_SPDIF_OUT_CH_STATUS, ALI_REG(codec, ALI_SPDIF_CTRL));
787
788 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
789 wVal |= ALI_SPDIF_OUT_SEL_PCM;
790 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
791 snd_ali_disable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
792}
793
794static void snd_ali_enable_spdif_chnout(struct snd_ali *codec)
795{
796 unsigned short wVal;
797
798 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
799 wVal &= ~ALI_SPDIF_OUT_SEL_PCM;
800 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
801
802
803
804
805
806
807
808
809 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
810}
811
812static void snd_ali_disable_spdif_chnout(struct snd_ali *codec)
813{
814 unsigned short wVal;
815
816 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
817 wVal |= ALI_SPDIF_OUT_SEL_PCM;
818 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
819
820 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
821}
822
823static void snd_ali_disable_spdif_out(struct snd_ali *codec)
824{
825 unsigned char bVal;
826
827 bVal = inb(ALI_REG(codec, ALI_SCTRL));
828 outb(bVal & ~ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
829
830 snd_ali_disable_spdif_chnout(codec);
831}
832
833static void snd_ali_update_ptr(struct snd_ali *codec, int channel)
834{
835 struct snd_ali_voice *pvoice;
836 struct snd_ali_channel_control *pchregs;
837 unsigned int old, mask;
838
839 pchregs = &(codec->chregs);
840
841
842 old = pchregs->data.aint;
843 mask = 1U << (channel & 0x1f);
844
845 if (!(old & mask))
846 return;
847
848 pvoice = &codec->synth.voices[channel];
849
850 udelay(100);
851 spin_lock(&codec->reg_lock);
852
853 if (pvoice->pcm && pvoice->substream) {
854
855 if (pvoice->running) {
856 dev_dbg(codec->card->dev,
857 "update_ptr: cso=%4.4x cspf=%d.\n",
858 inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)),
859 (inl(ALI_REG(codec, ALI_CSPF)) & mask) == mask);
860 spin_unlock(&codec->reg_lock);
861 snd_pcm_period_elapsed(pvoice->substream);
862 spin_lock(&codec->reg_lock);
863 } else {
864 snd_ali_stop_voice(codec, channel);
865 snd_ali_disable_voice_irq(codec, channel);
866 }
867 } else if (codec->synth.voices[channel].synth) {
868
869 } else if (codec->synth.voices[channel].midi) {
870
871 } else {
872
873 snd_ali_stop_voice(codec, channel);
874 snd_ali_disable_voice_irq(codec, channel);
875 }
876 spin_unlock(&codec->reg_lock);
877 outl(mask,ALI_REG(codec,pchregs->regs.aint));
878 pchregs->data.aint = old & (~mask);
879}
880
881static irqreturn_t snd_ali_card_interrupt(int irq, void *dev_id)
882{
883 struct snd_ali *codec = dev_id;
884 int channel;
885 unsigned int audio_int;
886 struct snd_ali_channel_control *pchregs;
887
888 if (codec == NULL || !codec->hw_initialized)
889 return IRQ_NONE;
890
891 audio_int = inl(ALI_REG(codec, ALI_MISCINT));
892 if (!audio_int)
893 return IRQ_NONE;
894
895 pchregs = &(codec->chregs);
896 if (audio_int & ADDRESS_IRQ) {
897
898 pchregs->data.aint = inl(ALI_REG(codec, pchregs->regs.aint));
899 for (channel = 0; channel < ALI_CHANNELS; channel++)
900 snd_ali_update_ptr(codec, channel);
901 }
902 outl((TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW),
903 ALI_REG(codec, ALI_MISCINT));
904
905 return IRQ_HANDLED;
906}
907
908
909static struct snd_ali_voice *snd_ali_alloc_voice(struct snd_ali * codec,
910 int type, int rec, int channel)
911{
912 struct snd_ali_voice *pvoice;
913 int idx;
914
915 dev_dbg(codec->card->dev, "alloc_voice: type=%d rec=%d\n", type, rec);
916
917 spin_lock_irq(&codec->voice_alloc);
918 if (type == SNDRV_ALI_VOICE_TYPE_PCM) {
919 idx = channel > 0 ? snd_ali_alloc_pcm_channel(codec, channel) :
920 snd_ali_find_free_channel(codec,rec);
921 if (idx < 0) {
922 dev_err(codec->card->dev, "ali_alloc_voice: err.\n");
923 spin_unlock_irq(&codec->voice_alloc);
924 return NULL;
925 }
926 pvoice = &(codec->synth.voices[idx]);
927 pvoice->codec = codec;
928 pvoice->use = 1;
929 pvoice->pcm = 1;
930 pvoice->mode = rec;
931 spin_unlock_irq(&codec->voice_alloc);
932 return pvoice;
933 }
934 spin_unlock_irq(&codec->voice_alloc);
935 return NULL;
936}
937
938
939static void snd_ali_free_voice(struct snd_ali * codec,
940 struct snd_ali_voice *pvoice)
941{
942 void (*private_free)(void *);
943 void *private_data;
944
945 dev_dbg(codec->card->dev, "free_voice: channel=%d\n", pvoice->number);
946 if (!pvoice->use)
947 return;
948 snd_ali_clear_voices(codec, pvoice->number, pvoice->number);
949 spin_lock_irq(&codec->voice_alloc);
950 private_free = pvoice->private_free;
951 private_data = pvoice->private_data;
952 pvoice->private_free = NULL;
953 pvoice->private_data = NULL;
954 if (pvoice->pcm)
955 snd_ali_free_channel_pcm(codec, pvoice->number);
956 pvoice->use = pvoice->pcm = pvoice->synth = 0;
957 pvoice->substream = NULL;
958 spin_unlock_irq(&codec->voice_alloc);
959 if (private_free)
960 private_free(private_data);
961}
962
963
964static void snd_ali_clear_voices(struct snd_ali *codec,
965 unsigned int v_min,
966 unsigned int v_max)
967{
968 unsigned int i;
969
970 for (i = v_min; i <= v_max; i++) {
971 snd_ali_stop_voice(codec, i);
972 snd_ali_disable_voice_irq(codec, i);
973 }
974}
975
976static void snd_ali_write_voice_regs(struct snd_ali *codec,
977 unsigned int Channel,
978 unsigned int LBA,
979 unsigned int CSO,
980 unsigned int ESO,
981 unsigned int DELTA,
982 unsigned int ALPHA_FMS,
983 unsigned int GVSEL,
984 unsigned int PAN,
985 unsigned int VOL,
986 unsigned int CTRL,
987 unsigned int EC)
988{
989 unsigned int ctlcmds[4];
990
991 outb((unsigned char)(Channel & 0x001f), ALI_REG(codec, ALI_GC_CIR));
992
993 ctlcmds[0] = (CSO << 16) | (ALPHA_FMS & 0x0000ffff);
994 ctlcmds[1] = LBA;
995 ctlcmds[2] = (ESO << 16) | (DELTA & 0x0ffff);
996 ctlcmds[3] = (GVSEL << 31) |
997 ((PAN & 0x0000007f) << 24) |
998 ((VOL & 0x000000ff) << 16) |
999 ((CTRL & 0x0000000f) << 12) |
1000 (EC & 0x00000fff);
1001
1002 outb(Channel, ALI_REG(codec, ALI_GC_CIR));
1003
1004 outl(ctlcmds[0], ALI_REG(codec, ALI_CSO_ALPHA_FMS));
1005 outl(ctlcmds[1], ALI_REG(codec, ALI_LBA));
1006 outl(ctlcmds[2], ALI_REG(codec, ALI_ESO_DELTA));
1007 outl(ctlcmds[3], ALI_REG(codec, ALI_GVSEL_PAN_VOC_CTRL_EC));
1008
1009 outl(0x30000000, ALI_REG(codec, ALI_EBUF1));
1010 outl(0x30000000, ALI_REG(codec, ALI_EBUF2));
1011}
1012
1013static unsigned int snd_ali_convert_rate(unsigned int rate, int rec)
1014{
1015 unsigned int delta;
1016
1017 if (rate < 4000)
1018 rate = 4000;
1019 if (rate > 48000)
1020 rate = 48000;
1021
1022 if (rec) {
1023 if (rate == 44100)
1024 delta = 0x116a;
1025 else if (rate == 8000)
1026 delta = 0x6000;
1027 else if (rate == 48000)
1028 delta = 0x1000;
1029 else
1030 delta = ((48000 << 12) / rate) & 0x0000ffff;
1031 } else {
1032 if (rate == 44100)
1033 delta = 0xeb3;
1034 else if (rate == 8000)
1035 delta = 0x2ab;
1036 else if (rate == 48000)
1037 delta = 0x1000;
1038 else
1039 delta = (((rate << 12) + rate) / 48000) & 0x0000ffff;
1040 }
1041
1042 return delta;
1043}
1044
1045static unsigned int snd_ali_control_mode(struct snd_pcm_substream *substream)
1046{
1047 unsigned int CTRL;
1048 struct snd_pcm_runtime *runtime = substream->runtime;
1049
1050
1051
1052
1053 CTRL = 0x00000001;
1054 if (snd_pcm_format_width(runtime->format) == 16)
1055 CTRL |= 0x00000008;
1056 if (!snd_pcm_format_unsigned(runtime->format))
1057 CTRL |= 0x00000002;
1058 if (runtime->channels > 1)
1059 CTRL |= 0x00000004;
1060 return CTRL;
1061}
1062
1063
1064
1065
1066
1067static int snd_ali_trigger(struct snd_pcm_substream *substream,
1068 int cmd)
1069
1070{
1071 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1072 struct snd_pcm_substream *s;
1073 unsigned int what, whati, capture_flag;
1074 struct snd_ali_voice *pvoice, *evoice;
1075 unsigned int val;
1076 int do_start;
1077
1078 switch (cmd) {
1079 case SNDRV_PCM_TRIGGER_START:
1080 case SNDRV_PCM_TRIGGER_RESUME:
1081 do_start = 1;
1082 break;
1083 case SNDRV_PCM_TRIGGER_STOP:
1084 case SNDRV_PCM_TRIGGER_SUSPEND:
1085 do_start = 0;
1086 break;
1087 default:
1088 return -EINVAL;
1089 }
1090
1091 what = whati = capture_flag = 0;
1092 snd_pcm_group_for_each_entry(s, substream) {
1093 if ((struct snd_ali *) snd_pcm_substream_chip(s) == codec) {
1094 pvoice = s->runtime->private_data;
1095 evoice = pvoice->extra;
1096 what |= 1 << (pvoice->number & 0x1f);
1097 if (evoice == NULL)
1098 whati |= 1 << (pvoice->number & 0x1f);
1099 else {
1100 whati |= 1 << (evoice->number & 0x1f);
1101 what |= 1 << (evoice->number & 0x1f);
1102 }
1103 if (do_start) {
1104 pvoice->running = 1;
1105 if (evoice != NULL)
1106 evoice->running = 1;
1107 } else {
1108 pvoice->running = 0;
1109 if (evoice != NULL)
1110 evoice->running = 0;
1111 }
1112 snd_pcm_trigger_done(s, substream);
1113 if (pvoice->mode)
1114 capture_flag = 1;
1115 }
1116 }
1117 spin_lock(&codec->reg_lock);
1118 if (!do_start)
1119 outl(what, ALI_REG(codec, ALI_STOP));
1120 val = inl(ALI_REG(codec, ALI_AINTEN));
1121 if (do_start)
1122 val |= whati;
1123 else
1124 val &= ~whati;
1125 outl(val, ALI_REG(codec, ALI_AINTEN));
1126 if (do_start)
1127 outl(what, ALI_REG(codec, ALI_START));
1128 dev_dbg(codec->card->dev, "trigger: what=%xh whati=%xh\n", what, whati);
1129 spin_unlock(&codec->reg_lock);
1130
1131 return 0;
1132}
1133
1134static int snd_ali_playback_hw_params(struct snd_pcm_substream *substream,
1135 struct snd_pcm_hw_params *hw_params)
1136{
1137 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1138 struct snd_pcm_runtime *runtime = substream->runtime;
1139 struct snd_ali_voice *pvoice = runtime->private_data;
1140 struct snd_ali_voice *evoice = pvoice->extra;
1141 int err;
1142
1143 err = snd_pcm_lib_malloc_pages(substream,
1144 params_buffer_bytes(hw_params));
1145 if (err < 0)
1146 return err;
1147
1148
1149
1150 if (params_buffer_size(hw_params) / 2 !=
1151 params_period_size(hw_params)) {
1152 if (!evoice) {
1153 evoice = snd_ali_alloc_voice(codec,
1154 SNDRV_ALI_VOICE_TYPE_PCM,
1155 0, -1);
1156 if (!evoice)
1157 return -ENOMEM;
1158 pvoice->extra = evoice;
1159 evoice->substream = substream;
1160 }
1161 } else {
1162 if (evoice) {
1163 snd_ali_free_voice(codec, evoice);
1164 pvoice->extra = evoice = NULL;
1165 }
1166 }
1167
1168 return 0;
1169}
1170
1171static int snd_ali_playback_hw_free(struct snd_pcm_substream *substream)
1172{
1173 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1174 struct snd_pcm_runtime *runtime = substream->runtime;
1175 struct snd_ali_voice *pvoice = runtime->private_data;
1176 struct snd_ali_voice *evoice = pvoice ? pvoice->extra : NULL;
1177
1178 snd_pcm_lib_free_pages(substream);
1179 if (evoice) {
1180 snd_ali_free_voice(codec, evoice);
1181 pvoice->extra = NULL;
1182 }
1183 return 0;
1184}
1185
1186static int snd_ali_hw_params(struct snd_pcm_substream *substream,
1187 struct snd_pcm_hw_params *hw_params)
1188{
1189 return snd_pcm_lib_malloc_pages(substream,
1190 params_buffer_bytes(hw_params));
1191}
1192
1193static int snd_ali_hw_free(struct snd_pcm_substream *substream)
1194{
1195 return snd_pcm_lib_free_pages(substream);
1196}
1197
1198static int snd_ali_playback_prepare(struct snd_pcm_substream *substream)
1199{
1200 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1201 struct snd_pcm_runtime *runtime = substream->runtime;
1202 struct snd_ali_voice *pvoice = runtime->private_data;
1203 struct snd_ali_voice *evoice = pvoice->extra;
1204
1205 unsigned int LBA;
1206 unsigned int Delta;
1207 unsigned int ESO;
1208 unsigned int CTRL;
1209 unsigned int GVSEL;
1210 unsigned int PAN;
1211 unsigned int VOL;
1212 unsigned int EC;
1213
1214 dev_dbg(codec->card->dev, "playback_prepare ...\n");
1215
1216 spin_lock_irq(&codec->reg_lock);
1217
1218
1219 Delta = snd_ali_convert_rate(runtime->rate, 0);
1220
1221 if (pvoice->number == ALI_SPDIF_IN_CHANNEL ||
1222 pvoice->number == ALI_PCM_IN_CHANNEL)
1223 snd_ali_disable_special_channel(codec, pvoice->number);
1224 else if (codec->spdif_support &&
1225 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
1226 ALI_SPDIF_OUT_CH_ENABLE)
1227 && pvoice->number == ALI_SPDIF_OUT_CHANNEL) {
1228 snd_ali_set_spdif_out_rate(codec, runtime->rate);
1229 Delta = 0x1000;
1230 }
1231
1232
1233 LBA = runtime->dma_addr;
1234
1235
1236 pvoice->count = runtime->period_size;
1237
1238
1239 pvoice->eso = runtime->buffer_size;
1240
1241 dev_dbg(codec->card->dev, "playback_prepare: eso=%xh count=%xh\n",
1242 pvoice->eso, pvoice->count);
1243
1244
1245 ESO = pvoice->eso -1;
1246
1247 CTRL = snd_ali_control_mode(substream);
1248
1249 GVSEL = 1;
1250 PAN = 0;
1251 VOL = 0;
1252 EC = 0;
1253 dev_dbg(codec->card->dev, "playback_prepare:\n");
1254 dev_dbg(codec->card->dev,
1255 "ch=%d, Rate=%d Delta=%xh,GVSEL=%xh,PAN=%xh,CTRL=%xh\n",
1256 pvoice->number,runtime->rate,Delta,GVSEL,PAN,CTRL);
1257 snd_ali_write_voice_regs(codec,
1258 pvoice->number,
1259 LBA,
1260 0,
1261 ESO,
1262 Delta,
1263 0,
1264 GVSEL,
1265 PAN,
1266 VOL,
1267 CTRL,
1268 EC);
1269 if (evoice) {
1270 evoice->count = pvoice->count;
1271 evoice->eso = pvoice->count << 1;
1272 ESO = evoice->eso - 1;
1273 snd_ali_write_voice_regs(codec,
1274 evoice->number,
1275 LBA,
1276 0,
1277 ESO,
1278 Delta,
1279 0,
1280 GVSEL,
1281 0x7f,
1282 0x3ff,
1283 CTRL,
1284 EC);
1285 }
1286 spin_unlock_irq(&codec->reg_lock);
1287 return 0;
1288}
1289
1290
1291static int snd_ali_prepare(struct snd_pcm_substream *substream)
1292{
1293 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1294 struct snd_pcm_runtime *runtime = substream->runtime;
1295 struct snd_ali_voice *pvoice = runtime->private_data;
1296 unsigned int LBA;
1297 unsigned int Delta;
1298 unsigned int ESO;
1299 unsigned int CTRL;
1300 unsigned int GVSEL;
1301 unsigned int PAN;
1302 unsigned int VOL;
1303 unsigned int EC;
1304 u8 bValue;
1305
1306 spin_lock_irq(&codec->reg_lock);
1307
1308 dev_dbg(codec->card->dev, "ali_prepare...\n");
1309
1310 snd_ali_enable_special_channel(codec,pvoice->number);
1311
1312 Delta = (pvoice->number == ALI_MODEM_IN_CHANNEL ||
1313 pvoice->number == ALI_MODEM_OUT_CHANNEL) ?
1314 0x1000 : snd_ali_convert_rate(runtime->rate, pvoice->mode);
1315
1316
1317 if (pvoice->number == ALI_SPDIF_IN_CHANNEL) {
1318
1319 unsigned int rate;
1320
1321 spin_unlock_irq(&codec->reg_lock);
1322 if (codec->revision != ALI_5451_V02)
1323 return -1;
1324
1325 rate = snd_ali_get_spdif_in_rate(codec);
1326 if (rate == 0) {
1327 dev_warn(codec->card->dev,
1328 "ali_capture_prepare: spdif rate detect err!\n");
1329 rate = 48000;
1330 }
1331 spin_lock_irq(&codec->reg_lock);
1332 bValue = inb(ALI_REG(codec,ALI_SPDIF_CTRL));
1333 if (bValue & 0x10) {
1334 outb(bValue,ALI_REG(codec,ALI_SPDIF_CTRL));
1335 dev_warn(codec->card->dev,
1336 "clear SPDIF parity error flag.\n");
1337 }
1338
1339 if (rate != 48000)
1340 Delta = ((rate << 12) / runtime->rate) & 0x00ffff;
1341 }
1342
1343
1344 pvoice->eso = runtime->buffer_size;
1345
1346
1347 pvoice->count = runtime->period_size;
1348
1349
1350 LBA = runtime->dma_addr;
1351
1352
1353 ESO = pvoice->eso - 1;
1354 CTRL = snd_ali_control_mode(substream);
1355 GVSEL = 0;
1356 PAN = 0x00;
1357 VOL = 0x00;
1358 EC = 0;
1359
1360 snd_ali_write_voice_regs( codec,
1361 pvoice->number,
1362 LBA,
1363 0,
1364 ESO,
1365 Delta,
1366 0,
1367 GVSEL,
1368 PAN,
1369 VOL,
1370 CTRL,
1371 EC);
1372
1373 spin_unlock_irq(&codec->reg_lock);
1374
1375 return 0;
1376}
1377
1378
1379static snd_pcm_uframes_t
1380snd_ali_playback_pointer(struct snd_pcm_substream *substream)
1381{
1382 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1383 struct snd_pcm_runtime *runtime = substream->runtime;
1384 struct snd_ali_voice *pvoice = runtime->private_data;
1385 unsigned int cso;
1386
1387 spin_lock(&codec->reg_lock);
1388 if (!pvoice->running) {
1389 spin_unlock(&codec->reg_lock);
1390 return 0;
1391 }
1392 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1393 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1394 spin_unlock(&codec->reg_lock);
1395 dev_dbg(codec->card->dev, "playback pointer returned cso=%xh.\n", cso);
1396
1397 cso %= runtime->buffer_size;
1398 return cso;
1399}
1400
1401
1402static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream)
1403{
1404 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1405 struct snd_pcm_runtime *runtime = substream->runtime;
1406 struct snd_ali_voice *pvoice = runtime->private_data;
1407 unsigned int cso;
1408
1409 spin_lock(&codec->reg_lock);
1410 if (!pvoice->running) {
1411 spin_unlock(&codec->reg_lock);
1412 return 0;
1413 }
1414 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1415 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1416 spin_unlock(&codec->reg_lock);
1417
1418 cso %= runtime->buffer_size;
1419 return cso;
1420}
1421
1422static struct snd_pcm_hardware snd_ali_playback =
1423{
1424 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1425 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1426 SNDRV_PCM_INFO_MMAP_VALID |
1427 SNDRV_PCM_INFO_RESUME |
1428 SNDRV_PCM_INFO_SYNC_START),
1429 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1430 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1431 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1432 .rate_min = 4000,
1433 .rate_max = 48000,
1434 .channels_min = 1,
1435 .channels_max = 2,
1436 .buffer_bytes_max = (256*1024),
1437 .period_bytes_min = 64,
1438 .period_bytes_max = (256*1024),
1439 .periods_min = 1,
1440 .periods_max = 1024,
1441 .fifo_size = 0,
1442};
1443
1444
1445
1446
1447
1448static struct snd_pcm_hardware snd_ali_capture =
1449{
1450 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1451 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1452 SNDRV_PCM_INFO_MMAP_VALID |
1453 SNDRV_PCM_INFO_RESUME |
1454 SNDRV_PCM_INFO_SYNC_START),
1455 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1456 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1457 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1458 .rate_min = 4000,
1459 .rate_max = 48000,
1460 .channels_min = 1,
1461 .channels_max = 2,
1462 .buffer_bytes_max = (128*1024),
1463 .period_bytes_min = 64,
1464 .period_bytes_max = (128*1024),
1465 .periods_min = 1,
1466 .periods_max = 1024,
1467 .fifo_size = 0,
1468};
1469
1470static void snd_ali_pcm_free_substream(struct snd_pcm_runtime *runtime)
1471{
1472 struct snd_ali_voice *pvoice = runtime->private_data;
1473
1474 if (pvoice)
1475 snd_ali_free_voice(pvoice->codec, pvoice);
1476}
1477
1478static int snd_ali_open(struct snd_pcm_substream *substream, int rec,
1479 int channel, struct snd_pcm_hardware *phw)
1480{
1481 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1482 struct snd_pcm_runtime *runtime = substream->runtime;
1483 struct snd_ali_voice *pvoice;
1484
1485 pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, rec,
1486 channel);
1487 if (!pvoice)
1488 return -EAGAIN;
1489
1490 pvoice->substream = substream;
1491 runtime->private_data = pvoice;
1492 runtime->private_free = snd_ali_pcm_free_substream;
1493
1494 runtime->hw = *phw;
1495 snd_pcm_set_sync(substream);
1496 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
1497 0, 64*1024);
1498 return 0;
1499}
1500
1501static int snd_ali_playback_open(struct snd_pcm_substream *substream)
1502{
1503 return snd_ali_open(substream, 0, -1, &snd_ali_playback);
1504}
1505
1506static int snd_ali_capture_open(struct snd_pcm_substream *substream)
1507{
1508 return snd_ali_open(substream, 1, -1, &snd_ali_capture);
1509}
1510
1511static int snd_ali_playback_close(struct snd_pcm_substream *substream)
1512{
1513 return 0;
1514}
1515
1516static int snd_ali_close(struct snd_pcm_substream *substream)
1517{
1518 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1519 struct snd_ali_voice *pvoice = substream->runtime->private_data;
1520
1521 snd_ali_disable_special_channel(codec,pvoice->number);
1522
1523 return 0;
1524}
1525
1526static const struct snd_pcm_ops snd_ali_playback_ops = {
1527 .open = snd_ali_playback_open,
1528 .close = snd_ali_playback_close,
1529 .ioctl = snd_pcm_lib_ioctl,
1530 .hw_params = snd_ali_playback_hw_params,
1531 .hw_free = snd_ali_playback_hw_free,
1532 .prepare = snd_ali_playback_prepare,
1533 .trigger = snd_ali_trigger,
1534 .pointer = snd_ali_playback_pointer,
1535};
1536
1537static const struct snd_pcm_ops snd_ali_capture_ops = {
1538 .open = snd_ali_capture_open,
1539 .close = snd_ali_close,
1540 .ioctl = snd_pcm_lib_ioctl,
1541 .hw_params = snd_ali_hw_params,
1542 .hw_free = snd_ali_hw_free,
1543 .prepare = snd_ali_prepare,
1544 .trigger = snd_ali_trigger,
1545 .pointer = snd_ali_pointer,
1546};
1547
1548
1549
1550
1551
1552static int snd_ali_modem_hw_params(struct snd_pcm_substream *substream,
1553 struct snd_pcm_hw_params *hw_params)
1554{
1555 struct snd_ali *chip = snd_pcm_substream_chip(substream);
1556 unsigned int modem_num = chip->num_of_codecs - 1;
1557 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_RATE,
1558 params_rate(hw_params));
1559 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_LEVEL, 0);
1560 return snd_ali_hw_params(substream, hw_params);
1561}
1562
1563static struct snd_pcm_hardware snd_ali_modem =
1564{
1565 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1566 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1567 SNDRV_PCM_INFO_MMAP_VALID |
1568 SNDRV_PCM_INFO_RESUME |
1569 SNDRV_PCM_INFO_SYNC_START),
1570 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1571 .rates = (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000 |
1572 SNDRV_PCM_RATE_16000),
1573 .rate_min = 8000,
1574 .rate_max = 16000,
1575 .channels_min = 1,
1576 .channels_max = 1,
1577 .buffer_bytes_max = (256*1024),
1578 .period_bytes_min = 64,
1579 .period_bytes_max = (256*1024),
1580 .periods_min = 1,
1581 .periods_max = 1024,
1582 .fifo_size = 0,
1583};
1584
1585static int snd_ali_modem_open(struct snd_pcm_substream *substream, int rec,
1586 int channel)
1587{
1588 static const unsigned int rates[] = {8000, 9600, 12000, 16000};
1589 static const struct snd_pcm_hw_constraint_list hw_constraint_rates = {
1590 .count = ARRAY_SIZE(rates),
1591 .list = rates,
1592 .mask = 0,
1593 };
1594 int err = snd_ali_open(substream, rec, channel, &snd_ali_modem);
1595
1596 if (err)
1597 return err;
1598 return snd_pcm_hw_constraint_list(substream->runtime, 0,
1599 SNDRV_PCM_HW_PARAM_RATE, &hw_constraint_rates);
1600}
1601
1602static int snd_ali_modem_playback_open(struct snd_pcm_substream *substream)
1603{
1604 return snd_ali_modem_open(substream, 0, ALI_MODEM_OUT_CHANNEL);
1605}
1606
1607static int snd_ali_modem_capture_open(struct snd_pcm_substream *substream)
1608{
1609 return snd_ali_modem_open(substream, 1, ALI_MODEM_IN_CHANNEL);
1610}
1611
1612static const struct snd_pcm_ops snd_ali_modem_playback_ops = {
1613 .open = snd_ali_modem_playback_open,
1614 .close = snd_ali_close,
1615 .ioctl = snd_pcm_lib_ioctl,
1616 .hw_params = snd_ali_modem_hw_params,
1617 .hw_free = snd_ali_hw_free,
1618 .prepare = snd_ali_prepare,
1619 .trigger = snd_ali_trigger,
1620 .pointer = snd_ali_pointer,
1621};
1622
1623static const struct snd_pcm_ops snd_ali_modem_capture_ops = {
1624 .open = snd_ali_modem_capture_open,
1625 .close = snd_ali_close,
1626 .ioctl = snd_pcm_lib_ioctl,
1627 .hw_params = snd_ali_modem_hw_params,
1628 .hw_free = snd_ali_hw_free,
1629 .prepare = snd_ali_prepare,
1630 .trigger = snd_ali_trigger,
1631 .pointer = snd_ali_pointer,
1632};
1633
1634
1635struct ali_pcm_description {
1636 char *name;
1637 unsigned int playback_num;
1638 unsigned int capture_num;
1639 const struct snd_pcm_ops *playback_ops;
1640 const struct snd_pcm_ops *capture_ops;
1641 unsigned short class;
1642};
1643
1644
1645static void snd_ali_pcm_free(struct snd_pcm *pcm)
1646{
1647 struct snd_ali *codec = pcm->private_data;
1648 codec->pcm[pcm->device] = NULL;
1649}
1650
1651
1652static int snd_ali_pcm(struct snd_ali *codec, int device,
1653 struct ali_pcm_description *desc)
1654{
1655 struct snd_pcm *pcm;
1656 int err;
1657
1658 err = snd_pcm_new(codec->card, desc->name, device,
1659 desc->playback_num, desc->capture_num, &pcm);
1660 if (err < 0) {
1661 dev_err(codec->card->dev,
1662 "snd_ali_pcm: err called snd_pcm_new.\n");
1663 return err;
1664 }
1665 pcm->private_data = codec;
1666 pcm->private_free = snd_ali_pcm_free;
1667 if (desc->playback_ops)
1668 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1669 desc->playback_ops);
1670 if (desc->capture_ops)
1671 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1672 desc->capture_ops);
1673
1674 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1675 snd_dma_pci_data(codec->pci),
1676 64*1024, 128*1024);
1677
1678 pcm->info_flags = 0;
1679 pcm->dev_class = desc->class;
1680 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1681 strcpy(pcm->name, desc->name);
1682 codec->pcm[0] = pcm;
1683 return 0;
1684}
1685
1686static struct ali_pcm_description ali_pcms[] = {
1687 { .name = "ALI 5451",
1688 .playback_num = ALI_CHANNELS,
1689 .capture_num = 1,
1690 .playback_ops = &snd_ali_playback_ops,
1691 .capture_ops = &snd_ali_capture_ops
1692 },
1693 { .name = "ALI 5451 modem",
1694 .playback_num = 1,
1695 .capture_num = 1,
1696 .playback_ops = &snd_ali_modem_playback_ops,
1697 .capture_ops = &snd_ali_modem_capture_ops,
1698 .class = SNDRV_PCM_CLASS_MODEM
1699 }
1700};
1701
1702static int snd_ali_build_pcms(struct snd_ali *codec)
1703{
1704 int i, err;
1705 for (i = 0; i < codec->num_of_codecs && i < ARRAY_SIZE(ali_pcms); i++) {
1706 err = snd_ali_pcm(codec, i, &ali_pcms[i]);
1707 if (err < 0)
1708 return err;
1709 }
1710 return 0;
1711}
1712
1713
1714#define ALI5451_SPDIF(xname, xindex, value) \
1715{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
1716.info = snd_ali5451_spdif_info, .get = snd_ali5451_spdif_get, \
1717.put = snd_ali5451_spdif_put, .private_value = value}
1718
1719#define snd_ali5451_spdif_info snd_ctl_boolean_mono_info
1720
1721static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol,
1722 struct snd_ctl_elem_value *ucontrol)
1723{
1724 struct snd_ali *codec = kcontrol->private_data;
1725 unsigned int spdif_enable;
1726
1727 spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0;
1728
1729 spin_lock_irq(&codec->reg_lock);
1730 switch (kcontrol->private_value) {
1731 case 0:
1732 spdif_enable = (codec->spdif_mask & 0x02) ? 1 : 0;
1733 break;
1734 case 1:
1735 spdif_enable = ((codec->spdif_mask & 0x02) &&
1736 (codec->spdif_mask & 0x04)) ? 1 : 0;
1737 break;
1738 case 2:
1739 spdif_enable = (codec->spdif_mask & 0x01) ? 1 : 0;
1740 break;
1741 default:
1742 break;
1743 }
1744 ucontrol->value.integer.value[0] = spdif_enable;
1745 spin_unlock_irq(&codec->reg_lock);
1746 return 0;
1747}
1748
1749static int snd_ali5451_spdif_put(struct snd_kcontrol *kcontrol,
1750 struct snd_ctl_elem_value *ucontrol)
1751{
1752 struct snd_ali *codec = kcontrol->private_data;
1753 unsigned int change = 0, spdif_enable = 0;
1754
1755 spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0;
1756
1757 spin_lock_irq(&codec->reg_lock);
1758 switch (kcontrol->private_value) {
1759 case 0:
1760 change = (codec->spdif_mask & 0x02) ? 1 : 0;
1761 change = change ^ spdif_enable;
1762 if (change) {
1763 if (spdif_enable) {
1764 codec->spdif_mask |= 0x02;
1765 snd_ali_enable_spdif_out(codec);
1766 } else {
1767 codec->spdif_mask &= ~(0x02);
1768 codec->spdif_mask &= ~(0x04);
1769 snd_ali_disable_spdif_out(codec);
1770 }
1771 }
1772 break;
1773 case 1:
1774 change = (codec->spdif_mask & 0x04) ? 1 : 0;
1775 change = change ^ spdif_enable;
1776 if (change && (codec->spdif_mask & 0x02)) {
1777 if (spdif_enable) {
1778 codec->spdif_mask |= 0x04;
1779 snd_ali_enable_spdif_chnout(codec);
1780 } else {
1781 codec->spdif_mask &= ~(0x04);
1782 snd_ali_disable_spdif_chnout(codec);
1783 }
1784 }
1785 break;
1786 case 2:
1787 change = (codec->spdif_mask & 0x01) ? 1 : 0;
1788 change = change ^ spdif_enable;
1789 if (change) {
1790 if (spdif_enable) {
1791 codec->spdif_mask |= 0x01;
1792 snd_ali_enable_spdif_in(codec);
1793 } else {
1794 codec->spdif_mask &= ~(0x01);
1795 snd_ali_disable_spdif_in(codec);
1796 }
1797 }
1798 break;
1799 default:
1800 break;
1801 }
1802 spin_unlock_irq(&codec->reg_lock);
1803
1804 return change;
1805}
1806
1807static struct snd_kcontrol_new snd_ali5451_mixer_spdif[] = {
1808
1809
1810 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 0, 0),
1811
1812 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Channel Output ",NONE,SWITCH), 0, 1),
1813
1814 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, 2)
1815};
1816
1817static int snd_ali_mixer(struct snd_ali *codec)
1818{
1819 struct snd_ac97_template ac97;
1820 unsigned int idx;
1821 int i, err;
1822 static struct snd_ac97_bus_ops ops = {
1823 .write = snd_ali_codec_write,
1824 .read = snd_ali_codec_read,
1825 };
1826
1827 err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus);
1828 if (err < 0)
1829 return err;
1830
1831 memset(&ac97, 0, sizeof(ac97));
1832 ac97.private_data = codec;
1833
1834 for (i = 0; i < codec->num_of_codecs; i++) {
1835 ac97.num = i;
1836 err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97[i]);
1837 if (err < 0) {
1838 dev_err(codec->card->dev,
1839 "ali mixer %d creating error.\n", i);
1840 if (i == 0)
1841 return err;
1842 codec->num_of_codecs = 1;
1843 break;
1844 }
1845 }
1846
1847 if (codec->spdif_support) {
1848 for (idx = 0; idx < ARRAY_SIZE(snd_ali5451_mixer_spdif); idx++) {
1849 err = snd_ctl_add(codec->card,
1850 snd_ctl_new1(&snd_ali5451_mixer_spdif[idx], codec));
1851 if (err < 0)
1852 return err;
1853 }
1854 }
1855 return 0;
1856}
1857
1858#ifdef CONFIG_PM_SLEEP
1859static int ali_suspend(struct device *dev)
1860{
1861 struct snd_card *card = dev_get_drvdata(dev);
1862 struct snd_ali *chip = card->private_data;
1863 struct snd_ali_image *im;
1864 int i, j;
1865
1866 im = chip->image;
1867 if (!im)
1868 return 0;
1869
1870 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1871 for (i = 0; i < chip->num_of_codecs; i++)
1872 snd_ac97_suspend(chip->ac97[i]);
1873
1874 spin_lock_irq(&chip->reg_lock);
1875
1876 im->regs[ALI_MISCINT >> 2] = inl(ALI_REG(chip, ALI_MISCINT));
1877
1878 im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP));
1879
1880
1881 outl(0, ALI_REG(chip, ALI_MISCINT));
1882
1883 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
1884 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP))
1885 continue;
1886 im->regs[i] = inl(ALI_REG(chip, i*4));
1887 }
1888
1889 for (i = 0; i < ALI_CHANNELS; i++) {
1890 outb(i, ALI_REG(chip, ALI_GC_CIR));
1891 for (j = 0; j < ALI_CHANNEL_REGS; j++)
1892 im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0));
1893 }
1894
1895
1896 outl(0xffffffff, ALI_REG(chip, ALI_STOP));
1897
1898 spin_unlock_irq(&chip->reg_lock);
1899 return 0;
1900}
1901
1902static int ali_resume(struct device *dev)
1903{
1904 struct snd_card *card = dev_get_drvdata(dev);
1905 struct snd_ali *chip = card->private_data;
1906 struct snd_ali_image *im;
1907 int i, j;
1908
1909 im = chip->image;
1910 if (!im)
1911 return 0;
1912
1913 spin_lock_irq(&chip->reg_lock);
1914
1915 for (i = 0; i < ALI_CHANNELS; i++) {
1916 outb(i, ALI_REG(chip, ALI_GC_CIR));
1917 for (j = 0; j < ALI_CHANNEL_REGS; j++)
1918 outl(im->channel_regs[i][j], ALI_REG(chip, j*4 + 0xe0));
1919 }
1920
1921 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
1922 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) ||
1923 (i*4 == ALI_START))
1924 continue;
1925 outl(im->regs[i], ALI_REG(chip, i*4));
1926 }
1927
1928
1929 outl(im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START));
1930
1931 outl(im->regs[ALI_MISCINT >> 2], ALI_REG(chip, ALI_MISCINT));
1932
1933 spin_unlock_irq(&chip->reg_lock);
1934
1935 for (i = 0 ; i < chip->num_of_codecs; i++)
1936 snd_ac97_resume(chip->ac97[i]);
1937
1938 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1939 return 0;
1940}
1941
1942static SIMPLE_DEV_PM_OPS(ali_pm, ali_suspend, ali_resume);
1943#define ALI_PM_OPS &ali_pm
1944#else
1945#define ALI_PM_OPS NULL
1946#endif
1947
1948static int snd_ali_free(struct snd_ali * codec)
1949{
1950 if (codec->hw_initialized)
1951 snd_ali_disable_address_interrupt(codec);
1952 if (codec->irq >= 0)
1953 free_irq(codec->irq, codec);
1954 if (codec->port)
1955 pci_release_regions(codec->pci);
1956 pci_disable_device(codec->pci);
1957#ifdef CONFIG_PM_SLEEP
1958 kfree(codec->image);
1959#endif
1960 pci_dev_put(codec->pci_m1533);
1961 pci_dev_put(codec->pci_m7101);
1962 kfree(codec);
1963 return 0;
1964}
1965
1966static int snd_ali_chip_init(struct snd_ali *codec)
1967{
1968 unsigned int legacy;
1969 unsigned char temp;
1970 struct pci_dev *pci_dev;
1971
1972 dev_dbg(codec->card->dev, "chip initializing ...\n");
1973
1974 if (snd_ali_reset_5451(codec)) {
1975 dev_err(codec->card->dev, "ali_chip_init: reset 5451 error.\n");
1976 return -1;
1977 }
1978
1979 if (codec->revision == ALI_5451_V02) {
1980 pci_dev = codec->pci_m1533;
1981 pci_read_config_byte(pci_dev, 0x59, &temp);
1982 temp |= 0x80;
1983 pci_write_config_byte(pci_dev, 0x59, temp);
1984
1985 pci_dev = codec->pci_m7101;
1986 pci_read_config_byte(pci_dev, 0xb8, &temp);
1987 temp |= 0x20;
1988 pci_write_config_byte(pci_dev, 0xB8, temp);
1989 }
1990
1991 pci_read_config_dword(codec->pci, 0x44, &legacy);
1992 legacy &= 0xff00ff00;
1993 legacy |= 0x000800aa;
1994 pci_write_config_dword(codec->pci, 0x44, legacy);
1995
1996 outl(0x80000001, ALI_REG(codec, ALI_GLOBAL_CONTROL));
1997 outl(0x00000000, ALI_REG(codec, ALI_AINTEN));
1998 outl(0xffffffff, ALI_REG(codec, ALI_AINT));
1999 outl(0x00000000, ALI_REG(codec, ALI_VOLUME));
2000 outb(0x10, ALI_REG(codec, ALI_MPUR2));
2001
2002 codec->ac97_ext_id = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_ID);
2003 codec->ac97_ext_status = snd_ali_codec_peek(codec, 0,
2004 AC97_EXTENDED_STATUS);
2005 if (codec->spdif_support) {
2006 snd_ali_enable_spdif_out(codec);
2007 codec->spdif_mask = 0x00000002;
2008 }
2009
2010 codec->num_of_codecs = 1;
2011
2012
2013 if (inl(ALI_REG(codec, ALI_SCTRL)) & ALI_SCTRL_CODEC2_READY) {
2014 codec->num_of_codecs++;
2015 outl(inl(ALI_REG(codec, ALI_SCTRL)) |
2016 (ALI_SCTRL_LINE_IN2 | ALI_SCTRL_GPIO_IN2 |
2017 ALI_SCTRL_LINE_OUT_EN),
2018 ALI_REG(codec, ALI_SCTRL));
2019 }
2020
2021 dev_dbg(codec->card->dev, "chip initialize succeed.\n");
2022 return 0;
2023
2024}
2025
2026
2027static void snd_ali_proc_read(struct snd_info_entry *entry,
2028 struct snd_info_buffer *buf)
2029{
2030 struct snd_ali *codec = entry->private_data;
2031 int i;
2032 for (i = 0; i < 256 ; i+= 4)
2033 snd_iprintf(buf, "%02x: %08x\n", i, inl(ALI_REG(codec, i)));
2034}
2035
2036static void snd_ali_proc_init(struct snd_ali *codec)
2037{
2038 snd_card_ro_proc_new(codec->card, "ali5451", codec, snd_ali_proc_read);
2039}
2040
2041static int snd_ali_resources(struct snd_ali *codec)
2042{
2043 int err;
2044
2045 dev_dbg(codec->card->dev, "resources allocation ...\n");
2046 err = pci_request_regions(codec->pci, "ALI 5451");
2047 if (err < 0)
2048 return err;
2049 codec->port = pci_resource_start(codec->pci, 0);
2050
2051 if (request_irq(codec->pci->irq, snd_ali_card_interrupt,
2052 IRQF_SHARED, KBUILD_MODNAME, codec)) {
2053 dev_err(codec->card->dev, "Unable to request irq.\n");
2054 return -EBUSY;
2055 }
2056 codec->irq = codec->pci->irq;
2057 dev_dbg(codec->card->dev, "resources allocated.\n");
2058 return 0;
2059}
2060static int snd_ali_dev_free(struct snd_device *device)
2061{
2062 struct snd_ali *codec = device->device_data;
2063 snd_ali_free(codec);
2064 return 0;
2065}
2066
2067static int snd_ali_create(struct snd_card *card,
2068 struct pci_dev *pci,
2069 int pcm_streams,
2070 int spdif_support,
2071 struct snd_ali **r_ali)
2072{
2073 struct snd_ali *codec;
2074 int i, err;
2075 unsigned short cmdw;
2076 static struct snd_device_ops ops = {
2077 .dev_free = snd_ali_dev_free,
2078 };
2079
2080 *r_ali = NULL;
2081
2082 dev_dbg(card->dev, "creating ...\n");
2083
2084
2085 err = pci_enable_device(pci);
2086 if (err < 0)
2087 return err;
2088
2089 if (dma_set_mask(&pci->dev, DMA_BIT_MASK(31)) < 0 ||
2090 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(31)) < 0) {
2091 dev_err(card->dev,
2092 "architecture does not support 31bit PCI busmaster DMA\n");
2093 pci_disable_device(pci);
2094 return -ENXIO;
2095 }
2096
2097 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
2098 if (!codec) {
2099 pci_disable_device(pci);
2100 return -ENOMEM;
2101 }
2102
2103 spin_lock_init(&codec->reg_lock);
2104 spin_lock_init(&codec->voice_alloc);
2105
2106 codec->card = card;
2107 codec->pci = pci;
2108 codec->irq = -1;
2109 codec->revision = pci->revision;
2110 codec->spdif_support = spdif_support;
2111
2112 if (pcm_streams < 1)
2113 pcm_streams = 1;
2114 if (pcm_streams > 32)
2115 pcm_streams = 32;
2116
2117 pci_set_master(pci);
2118 pci_read_config_word(pci, PCI_COMMAND, &cmdw);
2119 if ((cmdw & PCI_COMMAND_IO) != PCI_COMMAND_IO) {
2120 cmdw |= PCI_COMMAND_IO;
2121 pci_write_config_word(pci, PCI_COMMAND, cmdw);
2122 }
2123 pci_set_master(pci);
2124
2125 if (snd_ali_resources(codec)) {
2126 snd_ali_free(codec);
2127 return -EBUSY;
2128 }
2129
2130 synchronize_irq(pci->irq);
2131
2132 codec->synth.chmap = 0;
2133 codec->synth.chcnt = 0;
2134 codec->spdif_mask = 0;
2135 codec->synth.synthcount = 0;
2136
2137 if (codec->revision == ALI_5451_V02)
2138 codec->chregs.regs.ac97read = ALI_AC97_WRITE;
2139 else
2140 codec->chregs.regs.ac97read = ALI_AC97_READ;
2141 codec->chregs.regs.ac97write = ALI_AC97_WRITE;
2142
2143 codec->chregs.regs.start = ALI_START;
2144 codec->chregs.regs.stop = ALI_STOP;
2145 codec->chregs.regs.aint = ALI_AINT;
2146 codec->chregs.regs.ainten = ALI_AINTEN;
2147
2148 codec->chregs.data.start = 0x00;
2149 codec->chregs.data.stop = 0x00;
2150 codec->chregs.data.aint = 0x00;
2151 codec->chregs.data.ainten = 0x00;
2152
2153
2154 codec->pci_m1533 = pci_get_device(0x10b9, 0x1533, NULL);
2155 if (!codec->pci_m1533) {
2156 dev_err(card->dev, "cannot find ALi 1533 chip.\n");
2157 snd_ali_free(codec);
2158 return -ENODEV;
2159 }
2160
2161 codec->pci_m7101 = pci_get_device(0x10b9, 0x7101, NULL);
2162 if (!codec->pci_m7101 && codec->revision == ALI_5451_V02) {
2163 dev_err(card->dev, "cannot find ALi 7101 chip.\n");
2164 snd_ali_free(codec);
2165 return -ENODEV;
2166 }
2167
2168 dev_dbg(card->dev, "snd_device_new is called.\n");
2169 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops);
2170 if (err < 0) {
2171 snd_ali_free(codec);
2172 return err;
2173 }
2174
2175
2176 for (i = 0; i < ALI_CHANNELS; i++)
2177 codec->synth.voices[i].number = i;
2178
2179 err = snd_ali_chip_init(codec);
2180 if (err < 0) {
2181 dev_err(card->dev, "ali create: chip init error.\n");
2182 return err;
2183 }
2184
2185#ifdef CONFIG_PM_SLEEP
2186 codec->image = kmalloc(sizeof(*codec->image), GFP_KERNEL);
2187 if (!codec->image)
2188 dev_warn(card->dev, "can't allocate apm buffer\n");
2189#endif
2190
2191 snd_ali_enable_address_interrupt(codec);
2192 codec->hw_initialized = 1;
2193
2194 *r_ali = codec;
2195 dev_dbg(card->dev, "created.\n");
2196 return 0;
2197}
2198
2199static int snd_ali_probe(struct pci_dev *pci,
2200 const struct pci_device_id *pci_id)
2201{
2202 struct snd_card *card;
2203 struct snd_ali *codec;
2204 int err;
2205
2206 dev_dbg(&pci->dev, "probe ...\n");
2207
2208 err = snd_card_new(&pci->dev, index, id, THIS_MODULE, 0, &card);
2209 if (err < 0)
2210 return err;
2211
2212 err = snd_ali_create(card, pci, pcm_channels, spdif, &codec);
2213 if (err < 0)
2214 goto error;
2215 card->private_data = codec;
2216
2217 dev_dbg(&pci->dev, "mixer building ...\n");
2218 err = snd_ali_mixer(codec);
2219 if (err < 0)
2220 goto error;
2221
2222 dev_dbg(&pci->dev, "pcm building ...\n");
2223 err = snd_ali_build_pcms(codec);
2224 if (err < 0)
2225 goto error;
2226
2227 snd_ali_proc_init(codec);
2228
2229 strcpy(card->driver, "ALI5451");
2230 strcpy(card->shortname, "ALI 5451");
2231
2232 sprintf(card->longname, "%s at 0x%lx, irq %i",
2233 card->shortname, codec->port, codec->irq);
2234
2235 dev_dbg(&pci->dev, "register card.\n");
2236 err = snd_card_register(card);
2237 if (err < 0)
2238 goto error;
2239
2240 pci_set_drvdata(pci, card);
2241 return 0;
2242
2243 error:
2244 snd_card_free(card);
2245 return err;
2246}
2247
2248static void snd_ali_remove(struct pci_dev *pci)
2249{
2250 snd_card_free(pci_get_drvdata(pci));
2251}
2252
2253static struct pci_driver ali5451_driver = {
2254 .name = KBUILD_MODNAME,
2255 .id_table = snd_ali_ids,
2256 .probe = snd_ali_probe,
2257 .remove = snd_ali_remove,
2258 .driver = {
2259 .pm = ALI_PM_OPS,
2260 },
2261};
2262
2263module_pci_driver(ali5451_driver);
2264
