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drm/panthor: Don't add write fences to the shared BOs
[drm/drm-misc.git] / sound / pci / ali5451 / ali5451.c
blob793d2f13267ea1212c30b0ff3e4e941f53ad08fb
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Matt Wu <Matt_Wu@acersoftech.com.cn>
4 * Apr 26, 2001
5 * Routines for control of ALi pci audio M5451
6 *
7 * BUGS:
8 * --
9 *
10 * TODO:
11 * --
12 */
13
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
29 MODULE_AUTHOR("Matt Wu <Matt_Wu@acersoftech.com.cn>");
30 MODULE_DESCRIPTION("ALI M5451");
31 MODULE_LICENSE("GPL");
32
33 static int index = SNDRV_DEFAULT_IDX1; /* Index */
34 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */
35 static int pcm_channels = 32;
36 static bool spdif;
37
38 module_param(index, int, 0444);
39 MODULE_PARM_DESC(index, "Index value for ALI M5451 PCI Audio.");
40 module_param(id, charp, 0444);
41 MODULE_PARM_DESC(id, "ID string for ALI M5451 PCI Audio.");
42 module_param(pcm_channels, int, 0444);
43 MODULE_PARM_DESC(pcm_channels, "PCM Channels");
44 module_param(spdif, bool, 0444);
45 MODULE_PARM_DESC(spdif, "Support SPDIF I/O");
46
47 /* just for backward compatibility */
48 static bool enable;
49 module_param(enable, bool, 0444);
50
51
52 /*
53 * Constants definition
54 */
55
56 #define DEVICE_ID_ALI5451 ((PCI_VENDOR_ID_AL<<16)|PCI_DEVICE_ID_AL_M5451)
57
58
59 #define ALI_CHANNELS 32
60
61 #define ALI_PCM_IN_CHANNEL 31
62 #define ALI_SPDIF_IN_CHANNEL 19
63 #define ALI_SPDIF_OUT_CHANNEL 15
64 #define ALI_CENTER_CHANNEL 24
65 #define ALI_LEF_CHANNEL 23
66 #define ALI_SURR_LEFT_CHANNEL 26
67 #define ALI_SURR_RIGHT_CHANNEL 25
68 #define ALI_MODEM_IN_CHANNEL 21
69 #define ALI_MODEM_OUT_CHANNEL 20
70
71 #define SNDRV_ALI_VOICE_TYPE_PCM 01
72 #define SNDRV_ALI_VOICE_TYPE_OTH 02
73
74 #define ALI_5451_V02 0x02
75
76 /*
77 * Direct Registers
78 */
79
80 #define ALI_LEGACY_DMAR0 0x00 /* ADR0 */
81 #define ALI_LEGACY_DMAR4 0x04 /* CNT0 */
82 #define ALI_LEGACY_DMAR11 0x0b /* MOD */
83 #define ALI_LEGACY_DMAR15 0x0f /* MMR */
84 #define ALI_MPUR0 0x20
85 #define ALI_MPUR1 0x21
86 #define ALI_MPUR2 0x22
87 #define ALI_MPUR3 0x23
88
89 #define ALI_AC97_WRITE 0x40
90 #define ALI_AC97_READ 0x44
91
92 #define ALI_SCTRL 0x48
93 #define ALI_SPDIF_OUT_ENABLE 0x20
94 #define ALI_SCTRL_LINE_IN2 (1 << 9)
95 #define ALI_SCTRL_GPIO_IN2 (1 << 13)
96 #define ALI_SCTRL_LINE_OUT_EN (1 << 20)
97 #define ALI_SCTRL_GPIO_OUT_EN (1 << 23)
98 #define ALI_SCTRL_CODEC1_READY (1 << 24)
99 #define ALI_SCTRL_CODEC2_READY (1 << 25)
100 #define ALI_AC97_GPIO 0x4c
101 #define ALI_AC97_GPIO_ENABLE 0x8000
102 #define ALI_AC97_GPIO_DATA_SHIFT 16
103 #define ALI_SPDIF_CS 0x70
104 #define ALI_SPDIF_CTRL 0x74
105 #define ALI_SPDIF_IN_FUNC_ENABLE 0x02
106 #define ALI_SPDIF_IN_CH_STATUS 0x40
107 #define ALI_SPDIF_OUT_CH_STATUS 0xbf
108 #define ALI_START 0x80
109 #define ALI_STOP 0x84
110 #define ALI_CSPF 0x90
111 #define ALI_AINT 0x98
112 #define ALI_GC_CIR 0xa0
113 #define ENDLP_IE 0x00001000
114 #define MIDLP_IE 0x00002000
115 #define ALI_AINTEN 0xa4
116 #define ALI_VOLUME 0xa8
117 #define ALI_SBDELTA_DELTA_R 0xac
118 #define ALI_MISCINT 0xb0
119 #define ADDRESS_IRQ 0x00000020
120 #define TARGET_REACHED 0x00008000
121 #define MIXER_OVERFLOW 0x00000800
122 #define MIXER_UNDERFLOW 0x00000400
123 #define GPIO_IRQ 0x01000000
124 #define ALI_SBBL_SBCL 0xc0
125 #define ALI_SBCTRL_SBE2R_SBDD 0xc4
126 #define ALI_STIMER 0xc8
127 #define ALI_GLOBAL_CONTROL 0xd4
128 #define ALI_SPDIF_OUT_SEL_PCM 0x00000400 /* bit 10 */
129 #define ALI_SPDIF_IN_SUPPORT 0x00000800 /* bit 11 */
130 #define ALI_SPDIF_OUT_CH_ENABLE 0x00008000 /* bit 15 */
131 #define ALI_SPDIF_IN_CH_ENABLE 0x00080000 /* bit 19 */
132 #define ALI_PCM_IN_ENABLE 0x80000000 /* bit 31 */
133
134 #define ALI_CSO_ALPHA_FMS 0xe0
135 #define ALI_LBA 0xe4
136 #define ALI_ESO_DELTA 0xe8
137 #define ALI_GVSEL_PAN_VOC_CTRL_EC 0xf0
138 #define ALI_EBUF1 0xf4
139 #define ALI_EBUF2 0xf8
140
141 #define ALI_REG(codec, x) ((codec)->port + x)
142
143 #define MAX_CODECS 2
144
145
146 struct snd_ali;
147 struct snd_ali_voice;
148
149 struct snd_ali_channel_control {
150 /* register data */
151 struct REGDATA {
152 unsigned int start;
153 unsigned int stop;
154 unsigned int aint;
155 unsigned int ainten;
156 } data;
157
158 /* register addresses */
159 struct REGS {
160 unsigned int start;
161 unsigned int stop;
162 unsigned int aint;
163 unsigned int ainten;
164 unsigned int ac97read;
165 unsigned int ac97write;
166 } regs;
167
168 };
169
170 struct snd_ali_voice {
171 unsigned int number;
172 unsigned int use :1,
173 pcm :1,
174 midi :1,
175 mode :1,
176 synth :1,
177 running :1;
178
179 /* PCM data */
180 struct snd_ali *codec;
181 struct snd_pcm_substream *substream;
182 struct snd_ali_voice *extra;
183
184 int eso; /* final ESO value for channel */
185 int count; /* runtime->period_size */
186
187 /* --- */
188
189 void *private_data;
190 void (*private_free)(void *private_data);
191 };
192
193
194 struct snd_alidev {
195
196 struct snd_ali_voice voices[ALI_CHANNELS];
197
198 unsigned int chcnt; /* num of opened channels */
199 unsigned int chmap; /* bitmap for opened channels */
200 unsigned int synthcount;
201
202 };
203
204
205 #define ALI_GLOBAL_REGS 56
206 #define ALI_CHANNEL_REGS 8
207 struct snd_ali_image {
208 u32 regs[ALI_GLOBAL_REGS];
209 u32 channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS];
210 };
211
212
213 struct snd_ali {
214 int irq;
215 unsigned long port;
216 unsigned char revision;
217
218 unsigned int hw_initialized :1;
219 unsigned int spdif_support :1;
220
221 struct pci_dev *pci;
222 struct pci_dev *pci_m1533;
223 struct pci_dev *pci_m7101;
224
225 struct snd_card *card;
226 struct snd_pcm *pcm[MAX_CODECS];
227 struct snd_alidev synth;
228 struct snd_ali_channel_control chregs;
229
230 /* S/PDIF Mask */
231 unsigned int spdif_mask;
232
233 unsigned int spurious_irq_count;
234 unsigned int spurious_irq_max_delta;
235
236 unsigned int num_of_codecs;
237
238 struct snd_ac97_bus *ac97_bus;
239 struct snd_ac97 *ac97[MAX_CODECS];
240 unsigned short ac97_ext_id;
241 unsigned short ac97_ext_status;
242
243 spinlock_t reg_lock;
244 spinlock_t voice_alloc;
245
246 struct snd_ali_image image;
247 };
248
249 static const struct pci_device_id snd_ali_ids[] = {
250 {PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5451), 0, 0, 0},
251 {0, }
252 };
253 MODULE_DEVICE_TABLE(pci, snd_ali_ids);
254
255 static void snd_ali_clear_voices(struct snd_ali *, unsigned int, unsigned int);
256 static unsigned short snd_ali_codec_peek(struct snd_ali *, int, unsigned short);
257 static void snd_ali_codec_poke(struct snd_ali *, int, unsigned short,
258 unsigned short);
259
260 /*
261 * AC97 ACCESS
262 */
263
264 static inline unsigned int snd_ali_5451_peek(struct snd_ali *codec,
265 unsigned int port)
266 {
267 return (unsigned int)inl(ALI_REG(codec, port));
268 }
269
270 static inline void snd_ali_5451_poke(struct snd_ali *codec,
271 unsigned int port,
272 unsigned int val)
273 {
274 outl((unsigned int)val, ALI_REG(codec, port));
275 }
276
277 static int snd_ali_codec_ready(struct snd_ali *codec,
278 unsigned int port)
279 {
280 unsigned long end_time;
281 unsigned int res;
282
283 end_time = jiffies + msecs_to_jiffies(250);
284
285 for (;;) {
286 res = snd_ali_5451_peek(codec,port);
287 if (!(res & 0x8000))
288 return 0;
289 if (!time_after_eq(end_time, jiffies))
290 break;
291 schedule_timeout_uninterruptible(1);
292 }
293
294 snd_ali_5451_poke(codec, port, res & ~0x8000);
295 dev_dbg(codec->card->dev, "ali_codec_ready: codec is not ready.\n");
296 return -EIO;
297 }
298
299 static int snd_ali_stimer_ready(struct snd_ali *codec)
300 {
301 unsigned long end_time;
302 unsigned long dwChk1,dwChk2;
303
304 dwChk1 = snd_ali_5451_peek(codec, ALI_STIMER);
305 end_time = jiffies + msecs_to_jiffies(250);
306
307 for (;;) {
308 dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER);
309 if (dwChk2 != dwChk1)
310 return 0;
311 if (!time_after_eq(end_time, jiffies))
312 break;
313 schedule_timeout_uninterruptible(1);
314 }
315
316 dev_err(codec->card->dev, "ali_stimer_read: stimer is not ready.\n");
317 return -EIO;
318 }
319
320 static void snd_ali_codec_poke(struct snd_ali *codec,int secondary,
321 unsigned short reg,
322 unsigned short val)
323 {
324 unsigned int dwVal;
325 unsigned int port;
326
327 if (reg >= 0x80) {
328 dev_err(codec->card->dev,
329 "ali_codec_poke: reg(%xh) invalid.\n", reg);
330 return;
331 }
332
333 port = codec->chregs.regs.ac97write;
334
335 if (snd_ali_codec_ready(codec, port) < 0)
336 return;
337 if (snd_ali_stimer_ready(codec) < 0)
338 return;
339
340 dwVal = (unsigned int) (reg & 0xff);
341 dwVal |= 0x8000 | (val << 16);
342 if (secondary)
343 dwVal |= 0x0080;
344 if (codec->revision == ALI_5451_V02)
345 dwVal |= 0x0100;
346
347 snd_ali_5451_poke(codec, port, dwVal);
348
349 return ;
350 }
351
352 static unsigned short snd_ali_codec_peek(struct snd_ali *codec,
353 int secondary,
354 unsigned short reg)
355 {
356 unsigned int dwVal;
357 unsigned int port;
358
359 if (reg >= 0x80) {
360 dev_err(codec->card->dev,
361 "ali_codec_peek: reg(%xh) invalid.\n", reg);
362 return ~0;
363 }
364
365 port = codec->chregs.regs.ac97read;
366
367 if (snd_ali_codec_ready(codec, port) < 0)
368 return ~0;
369 if (snd_ali_stimer_ready(codec) < 0)
370 return ~0;
371
372 dwVal = (unsigned int) (reg & 0xff);
373 dwVal |= 0x8000; /* bit 15*/
374 if (secondary)
375 dwVal |= 0x0080;
376
377 snd_ali_5451_poke(codec, port, dwVal);
378
379 if (snd_ali_stimer_ready(codec) < 0)
380 return ~0;
381 if (snd_ali_codec_ready(codec, port) < 0)
382 return ~0;
383
384 return (snd_ali_5451_peek(codec, port) & 0xffff0000) >> 16;
385 }
386
387 static void snd_ali_codec_write(struct snd_ac97 *ac97,
388 unsigned short reg,
389 unsigned short val )
390 {
391 struct snd_ali *codec = ac97->private_data;
392
393 dev_dbg(codec->card->dev, "codec_write: reg=%xh data=%xh.\n", reg, val);
394 if (reg == AC97_GPIO_STATUS) {
395 outl((val << ALI_AC97_GPIO_DATA_SHIFT) | ALI_AC97_GPIO_ENABLE,
396 ALI_REG(codec, ALI_AC97_GPIO));
397 return;
398 }
399 snd_ali_codec_poke(codec, ac97->num, reg, val);
400 return ;
401 }
402
403
404 static unsigned short snd_ali_codec_read(struct snd_ac97 *ac97,
405 unsigned short reg)
406 {
407 struct snd_ali *codec = ac97->private_data;
408
409 dev_dbg(codec->card->dev, "codec_read reg=%xh.\n", reg);
410 return snd_ali_codec_peek(codec, ac97->num, reg);
411 }
412
413 /*
414 * AC97 Reset
415 */
416
417 static int snd_ali_reset_5451(struct snd_ali *codec)
418 {
419 struct pci_dev *pci_dev;
420 unsigned short wCount, wReg;
421 unsigned int dwVal;
422
423 pci_dev = codec->pci_m1533;
424 if (pci_dev) {
425 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
426 pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000);
427 mdelay(5);
428 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
429 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff);
430 mdelay(5);
431 }
432
433 pci_dev = codec->pci;
434 pci_read_config_dword(pci_dev, 0x44, &dwVal);
435 pci_write_config_dword(pci_dev, 0x44, dwVal | 0x000c0000);
436 udelay(500);
437 pci_read_config_dword(pci_dev, 0x44, &dwVal);
438 pci_write_config_dword(pci_dev, 0x44, dwVal & 0xfffbffff);
439 mdelay(5);
440
441 wCount = 200;
442 while(wCount--) {
443 wReg = snd_ali_codec_peek(codec, 0, AC97_POWERDOWN);
444 if ((wReg & 0x000f) == 0x000f)
445 return 0;
446 mdelay(5);
447 }
448
449 /* non-fatal if you have a non PM capable codec */
450 /* dev_warn(codec->card->dev, "ali5451: reset time out\n"); */
451 return 0;
452 }
453
454 /*
455 * ALI 5451 Controller
456 */
457
458 static void snd_ali_enable_special_channel(struct snd_ali *codec,
459 unsigned int channel)
460 {
461 unsigned long dwVal;
462
463 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
464 dwVal |= 1 << (channel & 0x0000001f);
465 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
466 }
467
468 static void snd_ali_disable_special_channel(struct snd_ali *codec,
469 unsigned int channel)
470 {
471 unsigned long dwVal;
472
473 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
474 dwVal &= ~(1 << (channel & 0x0000001f));
475 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
476 }
477
478 static void snd_ali_enable_address_interrupt(struct snd_ali *codec)
479 {
480 unsigned int gc;
481
482 gc = inl(ALI_REG(codec, ALI_GC_CIR));
483 gc |= ENDLP_IE;
484 gc |= MIDLP_IE;
485 outl( gc, ALI_REG(codec, ALI_GC_CIR));
486 }
487
488 static void snd_ali_disable_address_interrupt(struct snd_ali *codec)
489 {
490 unsigned int gc;
491
492 gc = inl(ALI_REG(codec, ALI_GC_CIR));
493 gc &= ~ENDLP_IE;
494 gc &= ~MIDLP_IE;
495 outl(gc, ALI_REG(codec, ALI_GC_CIR));
496 }
497
498 static void snd_ali_disable_voice_irq(struct snd_ali *codec,
499 unsigned int channel)
500 {
501 unsigned int mask;
502 struct snd_ali_channel_control *pchregs = &(codec->chregs);
503
504 dev_dbg(codec->card->dev, "disable_voice_irq channel=%d\n", channel);
505
506 mask = 1 << (channel & 0x1f);
507 pchregs->data.ainten = inl(ALI_REG(codec, pchregs->regs.ainten));
508 pchregs->data.ainten &= ~mask;
509 outl(pchregs->data.ainten, ALI_REG(codec, pchregs->regs.ainten));
510 }
511
512 static int snd_ali_alloc_pcm_channel(struct snd_ali *codec, int channel)
513 {
514 unsigned int idx = channel & 0x1f;
515
516 if (codec->synth.chcnt >= ALI_CHANNELS){
517 dev_err(codec->card->dev,
518 "ali_alloc_pcm_channel: no free channels.\n");
519 return -1;
520 }
521
522 if (!(codec->synth.chmap & (1 << idx))) {
523 codec->synth.chmap |= 1 << idx;
524 codec->synth.chcnt++;
525 dev_dbg(codec->card->dev, "alloc_pcm_channel no. %d.\n", idx);
526 return idx;
527 }
528 return -1;
529 }
530
531 static int snd_ali_find_free_channel(struct snd_ali * codec, int rec)
532 {
533 int idx;
534 int result = -1;
535
536 dev_dbg(codec->card->dev,
537 "find_free_channel: for %s\n", rec ? "rec" : "pcm");
538
539 /* recording */
540 if (rec) {
541 if (codec->spdif_support &&
542 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
543 ALI_SPDIF_IN_SUPPORT))
544 idx = ALI_SPDIF_IN_CHANNEL;
545 else
546 idx = ALI_PCM_IN_CHANNEL;
547
548 result = snd_ali_alloc_pcm_channel(codec, idx);
549 if (result >= 0)
550 return result;
551 else {
552 dev_err(codec->card->dev,
553 "ali_find_free_channel: record channel is busy now.\n");
554 return -1;
555 }
556 }
557
558 /* playback... */
559 if (codec->spdif_support &&
560 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
561 ALI_SPDIF_OUT_CH_ENABLE)) {
562 idx = ALI_SPDIF_OUT_CHANNEL;
563 result = snd_ali_alloc_pcm_channel(codec, idx);
564 if (result >= 0)
565 return result;
566 else
567 dev_err(codec->card->dev,
568 "ali_find_free_channel: S/PDIF out channel is in busy now.\n");
569 }
570
571 for (idx = 0; idx < ALI_CHANNELS; idx++) {
572 result = snd_ali_alloc_pcm_channel(codec, idx);
573 if (result >= 0)
574 return result;
575 }
576 dev_err(codec->card->dev, "ali_find_free_channel: no free channels.\n");
577 return -1;
578 }
579
580 static void snd_ali_free_channel_pcm(struct snd_ali *codec, int channel)
581 {
582 unsigned int idx = channel & 0x0000001f;
583
584 dev_dbg(codec->card->dev, "free_channel_pcm channel=%d\n", channel);
585
586 if (channel < 0 || channel >= ALI_CHANNELS)
587 return;
588
589 if (!(codec->synth.chmap & (1 << idx))) {
590 dev_err(codec->card->dev,
591 "ali_free_channel_pcm: channel %d is not in use.\n",
592 channel);
593 return;
594 } else {
595 codec->synth.chmap &= ~(1 << idx);
596 codec->synth.chcnt--;
597 }
598 }
599
600 static void snd_ali_stop_voice(struct snd_ali *codec, unsigned int channel)
601 {
602 unsigned int mask = 1 << (channel & 0x1f);
603
604 dev_dbg(codec->card->dev, "stop_voice: channel=%d\n", channel);
605 outl(mask, ALI_REG(codec, codec->chregs.regs.stop));
606 }
607
608 /*
609 * S/PDIF Part
610 */
611
612 static void snd_ali_delay(struct snd_ali *codec,int interval)
613 {
614 unsigned long begintimer,currenttimer;
615
616 begintimer = inl(ALI_REG(codec, ALI_STIMER));
617 currenttimer = inl(ALI_REG(codec, ALI_STIMER));
618
619 while (currenttimer < begintimer + interval) {
620 if (snd_ali_stimer_ready(codec) < 0)
621 break;
622 currenttimer = inl(ALI_REG(codec, ALI_STIMER));
623 cpu_relax();
624 }
625 }
626
627 static void snd_ali_detect_spdif_rate(struct snd_ali *codec)
628 {
629 u16 wval;
630 u16 count = 0;
631 u8 bval, R1 = 0, R2;
632
633 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1));
634 bval |= 0x1F;
635 outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL + 1));
636
637 while ((R1 < 0x0b || R1 > 0x0e) && R1 != 0x12 && count <= 50000) {
638 count ++;
639 snd_ali_delay(codec, 6);
640 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1));
641 R1 = bval & 0x1F;
642 }
643
644 if (count > 50000) {
645 dev_err(codec->card->dev, "ali_detect_spdif_rate: timeout!\n");
646 return;
647 }
648
649 for (count = 0; count <= 50000; count++) {
650 snd_ali_delay(codec, 6);
651 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1));
652 R2 = bval & 0x1F;
653 if (R2 != R1)
654 R1 = R2;
655 else
656 break;
657 }
658
659 if (count > 50000) {
660 dev_err(codec->card->dev, "ali_detect_spdif_rate: timeout!\n");
661 return;
662 }
663
664 if (R2 >= 0x0b && R2 <= 0x0e) {
665 wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2));
666 wval &= 0xe0f0;
667 wval |= (0x09 << 8) | 0x05;
668 outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2));
669
670 bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3)) & 0xf0;
671 outb(bval | 0x02, ALI_REG(codec, ALI_SPDIF_CS + 3));
672 } else if (R2 == 0x12) {
673 wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2));
674 wval &= 0xe0f0;
675 wval |= (0x0e << 8) | 0x08;
676 outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2));
677
678 bval = inb(ALI_REG(codec,ALI_SPDIF_CS + 3)) & 0xf0;
679 outb(bval | 0x03, ALI_REG(codec, ALI_SPDIF_CS + 3));
680 }
681 }
682
683 static unsigned int snd_ali_get_spdif_in_rate(struct snd_ali *codec)
684 {
685 u32 dwRate;
686 u8 bval;
687
688 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
689 bval &= 0x7f;
690 bval |= 0x40;
691 outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL));
692
693 snd_ali_detect_spdif_rate(codec);
694
695 bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3));
696 bval &= 0x0f;
697
698 switch (bval) {
699 case 0: dwRate = 44100; break;
700 case 1: dwRate = 48000; break;
701 case 2: dwRate = 32000; break;
702 default: dwRate = 0; break;
703 }
704
705 return dwRate;
706 }
707
708 static void snd_ali_enable_spdif_in(struct snd_ali *codec)
709 {
710 unsigned int dwVal;
711
712 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
713 dwVal |= ALI_SPDIF_IN_SUPPORT;
714 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
715
716 dwVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
717 dwVal |= 0x02;
718 outb(dwVal, ALI_REG(codec, ALI_SPDIF_CTRL));
719
720 snd_ali_enable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
721 }
722
723 static void snd_ali_disable_spdif_in(struct snd_ali *codec)
724 {
725 unsigned int dwVal;
726
727 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
728 dwVal &= ~ALI_SPDIF_IN_SUPPORT;
729 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
730
731 snd_ali_disable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
732 }
733
734
735 static void snd_ali_set_spdif_out_rate(struct snd_ali *codec, unsigned int rate)
736 {
737 unsigned char bVal;
738 unsigned int dwRate;
739
740 switch (rate) {
741 case 32000: dwRate = 0x300; break;
742 case 48000: dwRate = 0x200; break;
743 default: dwRate = 0; break;
744 }
745
746 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
747 bVal &= (unsigned char)(~(1<<6));
748
749 bVal |= 0x80; /* select right */
750 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
751 outb(dwRate | 0x20, ALI_REG(codec, ALI_SPDIF_CS + 2));
752
753 bVal &= ~0x80; /* select left */
754 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
755 outw(rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2));
756 }
757
758 static void snd_ali_enable_spdif_out(struct snd_ali *codec)
759 {
760 unsigned short wVal;
761 unsigned char bVal;
762 struct pci_dev *pci_dev;
763
764 pci_dev = codec->pci_m1533;
765 if (pci_dev == NULL)
766 return;
767 pci_read_config_byte(pci_dev, 0x61, &bVal);
768 bVal |= 0x40;
769 pci_write_config_byte(pci_dev, 0x61, bVal);
770 pci_read_config_byte(pci_dev, 0x7d, &bVal);
771 bVal |= 0x01;
772 pci_write_config_byte(pci_dev, 0x7d, bVal);
773
774 pci_read_config_byte(pci_dev, 0x7e, &bVal);
775 bVal &= (~0x20);
776 bVal |= 0x10;
777 pci_write_config_byte(pci_dev, 0x7e, bVal);
778
779 bVal = inb(ALI_REG(codec, ALI_SCTRL));
780 outb(bVal | ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
781
782 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
783 outb(bVal & ALI_SPDIF_OUT_CH_STATUS, ALI_REG(codec, ALI_SPDIF_CTRL));
784
785 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
786 wVal |= ALI_SPDIF_OUT_SEL_PCM;
787 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
788 snd_ali_disable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
789 }
790
791 static void snd_ali_enable_spdif_chnout(struct snd_ali *codec)
792 {
793 unsigned short wVal;
794
795 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
796 wVal &= ~ALI_SPDIF_OUT_SEL_PCM;
797 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
798 /*
799 wVal = inw(ALI_REG(codec, ALI_SPDIF_CS));
800 if (flag & ALI_SPDIF_OUT_NON_PCM)
801 wVal |= 0x0002;
802 else
803 wVal &= (~0x0002);
804 outw(wVal, ALI_REG(codec, ALI_SPDIF_CS));
805 */
806 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
807 }
808
809 static void snd_ali_disable_spdif_chnout(struct snd_ali *codec)
810 {
811 unsigned short wVal;
812
813 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
814 wVal |= ALI_SPDIF_OUT_SEL_PCM;
815 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
816
817 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
818 }
819
820 static void snd_ali_disable_spdif_out(struct snd_ali *codec)
821 {
822 unsigned char bVal;
823
824 bVal = inb(ALI_REG(codec, ALI_SCTRL));
825 outb(bVal & ~ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
826
827 snd_ali_disable_spdif_chnout(codec);
828 }
829
830 static void snd_ali_update_ptr(struct snd_ali *codec, int channel)
831 {
832 struct snd_ali_voice *pvoice;
833 struct snd_ali_channel_control *pchregs;
834 unsigned int old, mask;
835
836 pchregs = &(codec->chregs);
837
838 /* check if interrupt occurred for channel */
839 old = pchregs->data.aint;
840 mask = 1U << (channel & 0x1f);
841
842 if (!(old & mask))
843 return;
844
845 pvoice = &codec->synth.voices[channel];
846
847 udelay(100);
848 spin_lock(&codec->reg_lock);
849
850 if (pvoice->pcm && pvoice->substream) {
851 /* pcm interrupt */
852 if (pvoice->running) {
853 dev_dbg(codec->card->dev,
854 "update_ptr: cso=%4.4x cspf=%d.\n",
855 inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)),
856 (inl(ALI_REG(codec, ALI_CSPF)) & mask) == mask);
857 spin_unlock(&codec->reg_lock);
858 snd_pcm_period_elapsed(pvoice->substream);
859 spin_lock(&codec->reg_lock);
860 } else {
861 snd_ali_stop_voice(codec, channel);
862 snd_ali_disable_voice_irq(codec, channel);
863 }
864 } else if (codec->synth.voices[channel].synth) {
865 /* synth interrupt */
866 } else if (codec->synth.voices[channel].midi) {
867 /* midi interrupt */
868 } else {
869 /* unknown interrupt */
870 snd_ali_stop_voice(codec, channel);
871 snd_ali_disable_voice_irq(codec, channel);
872 }
873 spin_unlock(&codec->reg_lock);
874 outl(mask,ALI_REG(codec,pchregs->regs.aint));
875 pchregs->data.aint = old & (~mask);
876 }
877
878 static irqreturn_t snd_ali_card_interrupt(int irq, void *dev_id)
879 {
880 struct snd_ali *codec = dev_id;
881 int channel;
882 unsigned int audio_int;
883 struct snd_ali_channel_control *pchregs;
884
885 if (codec == NULL || !codec->hw_initialized)
886 return IRQ_NONE;
887
888 audio_int = inl(ALI_REG(codec, ALI_MISCINT));
889 if (!audio_int)
890 return IRQ_NONE;
891
892 pchregs = &(codec->chregs);
893 if (audio_int & ADDRESS_IRQ) {
894 /* get interrupt status for all channels */
895 pchregs->data.aint = inl(ALI_REG(codec, pchregs->regs.aint));
896 for (channel = 0; channel < ALI_CHANNELS; channel++)
897 snd_ali_update_ptr(codec, channel);
898 }
899 outl((TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW),
900 ALI_REG(codec, ALI_MISCINT));
901
902 return IRQ_HANDLED;
903 }
904
905
906 static struct snd_ali_voice *snd_ali_alloc_voice(struct snd_ali * codec,
907 int type, int rec, int channel)
908 {
909 struct snd_ali_voice *pvoice;
910 int idx;
911
912 dev_dbg(codec->card->dev, "alloc_voice: type=%d rec=%d\n", type, rec);
913
914 spin_lock_irq(&codec->voice_alloc);
915 if (type == SNDRV_ALI_VOICE_TYPE_PCM) {
916 idx = channel > 0 ? snd_ali_alloc_pcm_channel(codec, channel) :
917 snd_ali_find_free_channel(codec,rec);
918 if (idx < 0) {
919 dev_err(codec->card->dev, "ali_alloc_voice: err.\n");
920 spin_unlock_irq(&codec->voice_alloc);
921 return NULL;
922 }
923 pvoice = &(codec->synth.voices[idx]);
924 pvoice->codec = codec;
925 pvoice->use = 1;
926 pvoice->pcm = 1;
927 pvoice->mode = rec;
928 spin_unlock_irq(&codec->voice_alloc);
929 return pvoice;
930 }
931 spin_unlock_irq(&codec->voice_alloc);
932 return NULL;
933 }
934
935
936 static void snd_ali_free_voice(struct snd_ali * codec,
937 struct snd_ali_voice *pvoice)
938 {
939 void (*private_free)(void *);
940 void *private_data;
941
942 dev_dbg(codec->card->dev, "free_voice: channel=%d\n", pvoice->number);
943 if (!pvoice->use)
944 return;
945 snd_ali_clear_voices(codec, pvoice->number, pvoice->number);
946 spin_lock_irq(&codec->voice_alloc);
947 private_free = pvoice->private_free;
948 private_data = pvoice->private_data;
949 pvoice->private_free = NULL;
950 pvoice->private_data = NULL;
951 if (pvoice->pcm)
952 snd_ali_free_channel_pcm(codec, pvoice->number);
953 pvoice->use = pvoice->pcm = pvoice->synth = 0;
954 pvoice->substream = NULL;
955 spin_unlock_irq(&codec->voice_alloc);
956 if (private_free)
957 private_free(private_data);
958 }
959
960
961 static void snd_ali_clear_voices(struct snd_ali *codec,
962 unsigned int v_min,
963 unsigned int v_max)
964 {
965 unsigned int i;
966
967 for (i = v_min; i <= v_max; i++) {
968 snd_ali_stop_voice(codec, i);
969 snd_ali_disable_voice_irq(codec, i);
970 }
971 }
972
973 static void snd_ali_write_voice_regs(struct snd_ali *codec,
974 unsigned int Channel,
975 unsigned int LBA,
976 unsigned int CSO,
977 unsigned int ESO,
978 unsigned int DELTA,
979 unsigned int ALPHA_FMS,
980 unsigned int GVSEL,
981 unsigned int PAN,
982 unsigned int VOL,
983 unsigned int CTRL,
984 unsigned int EC)
985 {
986 unsigned int ctlcmds[4];
987
988 outb((unsigned char)(Channel & 0x001f), ALI_REG(codec, ALI_GC_CIR));
989
990 ctlcmds[0] = (CSO << 16) | (ALPHA_FMS & 0x0000ffff);
991 ctlcmds[1] = LBA;
992 ctlcmds[2] = (ESO << 16) | (DELTA & 0x0ffff);
993 ctlcmds[3] = (GVSEL << 31) |
994 ((PAN & 0x0000007f) << 24) |
995 ((VOL & 0x000000ff) << 16) |
996 ((CTRL & 0x0000000f) << 12) |
997 (EC & 0x00000fff);
998
999 outb(Channel, ALI_REG(codec, ALI_GC_CIR));
1000
1001 outl(ctlcmds[0], ALI_REG(codec, ALI_CSO_ALPHA_FMS));
1002 outl(ctlcmds[1], ALI_REG(codec, ALI_LBA));
1003 outl(ctlcmds[2], ALI_REG(codec, ALI_ESO_DELTA));
1004 outl(ctlcmds[3], ALI_REG(codec, ALI_GVSEL_PAN_VOC_CTRL_EC));
1005
1006 outl(0x30000000, ALI_REG(codec, ALI_EBUF1)); /* Still Mode */
1007 outl(0x30000000, ALI_REG(codec, ALI_EBUF2)); /* Still Mode */
1008 }
1009
1010 static unsigned int snd_ali_convert_rate(unsigned int rate, int rec)
1011 {
1012 unsigned int delta;
1013
1014 if (rate < 4000)
1015 rate = 4000;
1016 if (rate > 48000)
1017 rate = 48000;
1018
1019 if (rec) {
1020 if (rate == 44100)
1021 delta = 0x116a;
1022 else if (rate == 8000)
1023 delta = 0x6000;
1024 else if (rate == 48000)
1025 delta = 0x1000;
1026 else
1027 delta = ((48000 << 12) / rate) & 0x0000ffff;
1028 } else {
1029 if (rate == 44100)
1030 delta = 0xeb3;
1031 else if (rate == 8000)
1032 delta = 0x2ab;
1033 else if (rate == 48000)
1034 delta = 0x1000;
1035 else
1036 delta = (((rate << 12) + rate) / 48000) & 0x0000ffff;
1037 }
1038
1039 return delta;
1040 }
1041
1042 static unsigned int snd_ali_control_mode(struct snd_pcm_substream *substream)
1043 {
1044 unsigned int CTRL;
1045 struct snd_pcm_runtime *runtime = substream->runtime;
1046
1047 /* set ctrl mode
1048 CTRL default: 8-bit (unsigned) mono, loop mode enabled
1049 */
1050 CTRL = 0x00000001;
1051 if (snd_pcm_format_width(runtime->format) == 16)
1052 CTRL |= 0x00000008; /* 16-bit data */
1053 if (!snd_pcm_format_unsigned(runtime->format))
1054 CTRL |= 0x00000002; /* signed data */
1055 if (runtime->channels > 1)
1056 CTRL |= 0x00000004; /* stereo data */
1057 return CTRL;
1058 }
1059
1060 /*
1061 * PCM part
1062 */
1063
1064 static int snd_ali_trigger(struct snd_pcm_substream *substream,
1065 int cmd)
1066
1067 {
1068 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1069 struct snd_pcm_substream *s;
1070 unsigned int what, whati;
1071 struct snd_ali_voice *pvoice, *evoice;
1072 unsigned int val;
1073 int do_start;
1074
1075 switch (cmd) {
1076 case SNDRV_PCM_TRIGGER_START:
1077 case SNDRV_PCM_TRIGGER_RESUME:
1078 do_start = 1;
1079 break;
1080 case SNDRV_PCM_TRIGGER_STOP:
1081 case SNDRV_PCM_TRIGGER_SUSPEND:
1082 do_start = 0;
1083 break;
1084 default:
1085 return -EINVAL;
1086 }
1087
1088 what = whati = 0;
1089 snd_pcm_group_for_each_entry(s, substream) {
1090 if ((struct snd_ali *) snd_pcm_substream_chip(s) == codec) {
1091 pvoice = s->runtime->private_data;
1092 evoice = pvoice->extra;
1093 what |= 1 << (pvoice->number & 0x1f);
1094 if (evoice == NULL)
1095 whati |= 1 << (pvoice->number & 0x1f);
1096 else {
1097 whati |= 1 << (evoice->number & 0x1f);
1098 what |= 1 << (evoice->number & 0x1f);
1099 }
1100 if (do_start) {
1101 pvoice->running = 1;
1102 if (evoice != NULL)
1103 evoice->running = 1;
1104 } else {
1105 pvoice->running = 0;
1106 if (evoice != NULL)
1107 evoice->running = 0;
1108 }
1109 snd_pcm_trigger_done(s, substream);
1110 }
1111 }
1112 spin_lock(&codec->reg_lock);
1113 if (!do_start)
1114 outl(what, ALI_REG(codec, ALI_STOP));
1115 val = inl(ALI_REG(codec, ALI_AINTEN));
1116 if (do_start)
1117 val |= whati;
1118 else
1119 val &= ~whati;
1120 outl(val, ALI_REG(codec, ALI_AINTEN));
1121 if (do_start)
1122 outl(what, ALI_REG(codec, ALI_START));
1123 dev_dbg(codec->card->dev, "trigger: what=%xh whati=%xh\n", what, whati);
1124 spin_unlock(&codec->reg_lock);
1125
1126 return 0;
1127 }
1128
1129 static int snd_ali_playback_hw_params(struct snd_pcm_substream *substream,
1130 struct snd_pcm_hw_params *hw_params)
1131 {
1132 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1133 struct snd_pcm_runtime *runtime = substream->runtime;
1134 struct snd_ali_voice *pvoice = runtime->private_data;
1135 struct snd_ali_voice *evoice = pvoice->extra;
1136
1137 /* voice management */
1138
1139 if (params_buffer_size(hw_params) / 2 !=
1140 params_period_size(hw_params)) {
1141 if (!evoice) {
1142 evoice = snd_ali_alloc_voice(codec,
1143 SNDRV_ALI_VOICE_TYPE_PCM,
1144 0, -1);
1145 if (!evoice)
1146 return -ENOMEM;
1147 pvoice->extra = evoice;
1148 evoice->substream = substream;
1149 }
1150 } else {
1151 if (evoice) {
1152 snd_ali_free_voice(codec, evoice);
1153 pvoice->extra = evoice = NULL;
1154 }
1155 }
1156
1157 return 0;
1158 }
1159
1160 static int snd_ali_playback_hw_free(struct snd_pcm_substream *substream)
1161 {
1162 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1163 struct snd_pcm_runtime *runtime = substream->runtime;
1164 struct snd_ali_voice *pvoice = runtime->private_data;
1165 struct snd_ali_voice *evoice = pvoice ? pvoice->extra : NULL;
1166
1167 if (evoice) {
1168 snd_ali_free_voice(codec, evoice);
1169 pvoice->extra = NULL;
1170 }
1171 return 0;
1172 }
1173
1174 static int snd_ali_playback_prepare(struct snd_pcm_substream *substream)
1175 {
1176 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1177 struct snd_pcm_runtime *runtime = substream->runtime;
1178 struct snd_ali_voice *pvoice = runtime->private_data;
1179 struct snd_ali_voice *evoice = pvoice->extra;
1180
1181 unsigned int LBA;
1182 unsigned int Delta;
1183 unsigned int ESO;
1184 unsigned int CTRL;
1185 unsigned int GVSEL;
1186 unsigned int PAN;
1187 unsigned int VOL;
1188 unsigned int EC;
1189
1190 dev_dbg(codec->card->dev, "playback_prepare ...\n");
1191
1192 spin_lock_irq(&codec->reg_lock);
1193
1194 /* set Delta (rate) value */
1195 Delta = snd_ali_convert_rate(runtime->rate, 0);
1196
1197 if (pvoice->number == ALI_SPDIF_IN_CHANNEL ||
1198 pvoice->number == ALI_PCM_IN_CHANNEL)
1199 snd_ali_disable_special_channel(codec, pvoice->number);
1200 else if (codec->spdif_support &&
1201 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
1202 ALI_SPDIF_OUT_CH_ENABLE)
1203 && pvoice->number == ALI_SPDIF_OUT_CHANNEL) {
1204 snd_ali_set_spdif_out_rate(codec, runtime->rate);
1205 Delta = 0x1000;
1206 }
1207
1208 /* set Loop Back Address */
1209 LBA = runtime->dma_addr;
1210
1211 /* set interrupt count size */
1212 pvoice->count = runtime->period_size;
1213
1214 /* set target ESO for channel */
1215 pvoice->eso = runtime->buffer_size;
1216
1217 dev_dbg(codec->card->dev, "playback_prepare: eso=%xh count=%xh\n",
1218 pvoice->eso, pvoice->count);
1219
1220 /* set ESO to capture first MIDLP interrupt */
1221 ESO = pvoice->eso -1;
1222 /* set ctrl mode */
1223 CTRL = snd_ali_control_mode(substream);
1224
1225 GVSEL = 1;
1226 PAN = 0;
1227 VOL = 0;
1228 EC = 0;
1229 dev_dbg(codec->card->dev, "playback_prepare:\n");
1230 dev_dbg(codec->card->dev,
1231 "ch=%d, Rate=%d Delta=%xh,GVSEL=%xh,PAN=%xh,CTRL=%xh\n",
1232 pvoice->number,runtime->rate,Delta,GVSEL,PAN,CTRL);
1233 snd_ali_write_voice_regs(codec,
1234 pvoice->number,
1235 LBA,
1236 0, /* cso */
1237 ESO,
1238 Delta,
1239 0, /* alpha */
1240 GVSEL,
1241 PAN,
1242 VOL,
1243 CTRL,
1244 EC);
1245 if (evoice) {
1246 evoice->count = pvoice->count;
1247 evoice->eso = pvoice->count << 1;
1248 ESO = evoice->eso - 1;
1249 snd_ali_write_voice_regs(codec,
1250 evoice->number,
1251 LBA,
1252 0, /* cso */
1253 ESO,
1254 Delta,
1255 0, /* alpha */
1256 GVSEL,
1257 0x7f,
1258 0x3ff,
1259 CTRL,
1260 EC);
1261 }
1262 spin_unlock_irq(&codec->reg_lock);
1263 return 0;
1264 }
1265
1266
1267 static int snd_ali_prepare(struct snd_pcm_substream *substream)
1268 {
1269 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1270 struct snd_pcm_runtime *runtime = substream->runtime;
1271 struct snd_ali_voice *pvoice = runtime->private_data;
1272 unsigned int LBA;
1273 unsigned int Delta;
1274 unsigned int ESO;
1275 unsigned int CTRL;
1276 unsigned int GVSEL;
1277 unsigned int PAN;
1278 unsigned int VOL;
1279 unsigned int EC;
1280 u8 bValue;
1281
1282 spin_lock_irq(&codec->reg_lock);
1283
1284 dev_dbg(codec->card->dev, "ali_prepare...\n");
1285
1286 snd_ali_enable_special_channel(codec,pvoice->number);
1287
1288 Delta = (pvoice->number == ALI_MODEM_IN_CHANNEL ||
1289 pvoice->number == ALI_MODEM_OUT_CHANNEL) ?
1290 0x1000 : snd_ali_convert_rate(runtime->rate, pvoice->mode);
1291
1292 /* Prepare capture intr channel */
1293 if (pvoice->number == ALI_SPDIF_IN_CHANNEL) {
1294
1295 unsigned int rate;
1296
1297 spin_unlock_irq(&codec->reg_lock);
1298 if (codec->revision != ALI_5451_V02)
1299 return -1;
1300
1301 rate = snd_ali_get_spdif_in_rate(codec);
1302 if (rate == 0) {
1303 dev_warn(codec->card->dev,
1304 "ali_capture_prepare: spdif rate detect err!\n");
1305 rate = 48000;
1306 }
1307 spin_lock_irq(&codec->reg_lock);
1308 bValue = inb(ALI_REG(codec,ALI_SPDIF_CTRL));
1309 if (bValue & 0x10) {
1310 outb(bValue,ALI_REG(codec,ALI_SPDIF_CTRL));
1311 dev_warn(codec->card->dev,
1312 "clear SPDIF parity error flag.\n");
1313 }
1314
1315 if (rate != 48000)
1316 Delta = ((rate << 12) / runtime->rate) & 0x00ffff;
1317 }
1318
1319 /* set target ESO for channel */
1320 pvoice->eso = runtime->buffer_size;
1321
1322 /* set interrupt count size */
1323 pvoice->count = runtime->period_size;
1324
1325 /* set Loop Back Address */
1326 LBA = runtime->dma_addr;
1327
1328 /* set ESO to capture first MIDLP interrupt */
1329 ESO = pvoice->eso - 1;
1330 CTRL = snd_ali_control_mode(substream);
1331 GVSEL = 0;
1332 PAN = 0x00;
1333 VOL = 0x00;
1334 EC = 0;
1335
1336 snd_ali_write_voice_regs( codec,
1337 pvoice->number,
1338 LBA,
1339 0, /* cso */
1340 ESO,
1341 Delta,
1342 0, /* alpha */
1343 GVSEL,
1344 PAN,
1345 VOL,
1346 CTRL,
1347 EC);
1348
1349 spin_unlock_irq(&codec->reg_lock);
1350
1351 return 0;
1352 }
1353
1354
1355 static snd_pcm_uframes_t
1356 snd_ali_playback_pointer(struct snd_pcm_substream *substream)
1357 {
1358 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1359 struct snd_pcm_runtime *runtime = substream->runtime;
1360 struct snd_ali_voice *pvoice = runtime->private_data;
1361 unsigned int cso;
1362
1363 spin_lock(&codec->reg_lock);
1364 if (!pvoice->running) {
1365 spin_unlock(&codec->reg_lock);
1366 return 0;
1367 }
1368 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1369 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1370 spin_unlock(&codec->reg_lock);
1371 dev_dbg(codec->card->dev, "playback pointer returned cso=%xh.\n", cso);
1372
1373 cso %= runtime->buffer_size;
1374 return cso;
1375 }
1376
1377
1378 static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream)
1379 {
1380 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1381 struct snd_pcm_runtime *runtime = substream->runtime;
1382 struct snd_ali_voice *pvoice = runtime->private_data;
1383 unsigned int cso;
1384
1385 spin_lock(&codec->reg_lock);
1386 if (!pvoice->running) {
1387 spin_unlock(&codec->reg_lock);
1388 return 0;
1389 }
1390 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1391 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1392 spin_unlock(&codec->reg_lock);
1393
1394 cso %= runtime->buffer_size;
1395 return cso;
1396 }
1397
1398 static const struct snd_pcm_hardware snd_ali_playback =
1399 {
1400 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1401 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1402 SNDRV_PCM_INFO_MMAP_VALID |
1403 SNDRV_PCM_INFO_RESUME |
1404 SNDRV_PCM_INFO_SYNC_START),
1405 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1406 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1407 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1408 .rate_min = 4000,
1409 .rate_max = 48000,
1410 .channels_min = 1,
1411 .channels_max = 2,
1412 .buffer_bytes_max = (256*1024),
1413 .period_bytes_min = 64,
1414 .period_bytes_max = (256*1024),
1415 .periods_min = 1,
1416 .periods_max = 1024,
1417 .fifo_size = 0,
1418 };
1419
1420 /*
1421 * Capture support device description
1422 */
1423
1424 static const struct snd_pcm_hardware snd_ali_capture =
1425 {
1426 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1427 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1428 SNDRV_PCM_INFO_MMAP_VALID |
1429 SNDRV_PCM_INFO_RESUME |
1430 SNDRV_PCM_INFO_SYNC_START),
1431 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1432 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1433 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1434 .rate_min = 4000,
1435 .rate_max = 48000,
1436 .channels_min = 1,
1437 .channels_max = 2,
1438 .buffer_bytes_max = (128*1024),
1439 .period_bytes_min = 64,
1440 .period_bytes_max = (128*1024),
1441 .periods_min = 1,
1442 .periods_max = 1024,
1443 .fifo_size = 0,
1444 };
1445
1446 static void snd_ali_pcm_free_substream(struct snd_pcm_runtime *runtime)
1447 {
1448 struct snd_ali_voice *pvoice = runtime->private_data;
1449
1450 if (pvoice)
1451 snd_ali_free_voice(pvoice->codec, pvoice);
1452 }
1453
1454 static int snd_ali_open(struct snd_pcm_substream *substream, int rec,
1455 int channel, const struct snd_pcm_hardware *phw)
1456 {
1457 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1458 struct snd_pcm_runtime *runtime = substream->runtime;
1459 struct snd_ali_voice *pvoice;
1460
1461 pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, rec,
1462 channel);
1463 if (!pvoice)
1464 return -EAGAIN;
1465
1466 pvoice->substream = substream;
1467 runtime->private_data = pvoice;
1468 runtime->private_free = snd_ali_pcm_free_substream;
1469
1470 runtime->hw = *phw;
1471 snd_pcm_set_sync(substream);
1472 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
1473 0, 64*1024);
1474 return 0;
1475 }
1476
1477 static int snd_ali_playback_open(struct snd_pcm_substream *substream)
1478 {
1479 return snd_ali_open(substream, 0, -1, &snd_ali_playback);
1480 }
1481
1482 static int snd_ali_capture_open(struct snd_pcm_substream *substream)
1483 {
1484 return snd_ali_open(substream, 1, -1, &snd_ali_capture);
1485 }
1486
1487 static int snd_ali_playback_close(struct snd_pcm_substream *substream)
1488 {
1489 return 0;
1490 }
1491
1492 static int snd_ali_close(struct snd_pcm_substream *substream)
1493 {
1494 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1495 struct snd_ali_voice *pvoice = substream->runtime->private_data;
1496
1497 snd_ali_disable_special_channel(codec,pvoice->number);
1498
1499 return 0;
1500 }
1501
1502 static const struct snd_pcm_ops snd_ali_playback_ops = {
1503 .open = snd_ali_playback_open,
1504 .close = snd_ali_playback_close,
1505 .hw_params = snd_ali_playback_hw_params,
1506 .hw_free = snd_ali_playback_hw_free,
1507 .prepare = snd_ali_playback_prepare,
1508 .trigger = snd_ali_trigger,
1509 .pointer = snd_ali_playback_pointer,
1510 };
1511
1512 static const struct snd_pcm_ops snd_ali_capture_ops = {
1513 .open = snd_ali_capture_open,
1514 .close = snd_ali_close,
1515 .prepare = snd_ali_prepare,
1516 .trigger = snd_ali_trigger,
1517 .pointer = snd_ali_pointer,
1518 };
1519
1520 /*
1521 * Modem PCM
1522 */
1523
1524 static int snd_ali_modem_hw_params(struct snd_pcm_substream *substream,
1525 struct snd_pcm_hw_params *hw_params)
1526 {
1527 struct snd_ali *chip = snd_pcm_substream_chip(substream);
1528 unsigned int modem_num = chip->num_of_codecs - 1;
1529 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_RATE,
1530 params_rate(hw_params));
1531 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_LEVEL, 0);
1532 return 0;
1533 }
1534
1535 static const struct snd_pcm_hardware snd_ali_modem =
1536 {
1537 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1538 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1539 SNDRV_PCM_INFO_MMAP_VALID |
1540 SNDRV_PCM_INFO_RESUME |
1541 SNDRV_PCM_INFO_SYNC_START),
1542 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1543 .rates = (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000 |
1544 SNDRV_PCM_RATE_16000),
1545 .rate_min = 8000,
1546 .rate_max = 16000,
1547 .channels_min = 1,
1548 .channels_max = 1,
1549 .buffer_bytes_max = (256*1024),
1550 .period_bytes_min = 64,
1551 .period_bytes_max = (256*1024),
1552 .periods_min = 1,
1553 .periods_max = 1024,
1554 .fifo_size = 0,
1555 };
1556
1557 static int snd_ali_modem_open(struct snd_pcm_substream *substream, int rec,
1558 int channel)
1559 {
1560 static const unsigned int rates[] = {8000, 9600, 12000, 16000};
1561 static const struct snd_pcm_hw_constraint_list hw_constraint_rates = {
1562 .count = ARRAY_SIZE(rates),
1563 .list = rates,
1564 .mask = 0,
1565 };
1566 int err = snd_ali_open(substream, rec, channel, &snd_ali_modem);
1567
1568 if (err)
1569 return err;
1570 return snd_pcm_hw_constraint_list(substream->runtime, 0,
1571 SNDRV_PCM_HW_PARAM_RATE, &hw_constraint_rates);
1572 }
1573
1574 static int snd_ali_modem_playback_open(struct snd_pcm_substream *substream)
1575 {
1576 return snd_ali_modem_open(substream, 0, ALI_MODEM_OUT_CHANNEL);
1577 }
1578
1579 static int snd_ali_modem_capture_open(struct snd_pcm_substream *substream)
1580 {
1581 return snd_ali_modem_open(substream, 1, ALI_MODEM_IN_CHANNEL);
1582 }
1583
1584 static const struct snd_pcm_ops snd_ali_modem_playback_ops = {
1585 .open = snd_ali_modem_playback_open,
1586 .close = snd_ali_close,
1587 .hw_params = snd_ali_modem_hw_params,
1588 .prepare = snd_ali_prepare,
1589 .trigger = snd_ali_trigger,
1590 .pointer = snd_ali_pointer,
1591 };
1592
1593 static const struct snd_pcm_ops snd_ali_modem_capture_ops = {
1594 .open = snd_ali_modem_capture_open,
1595 .close = snd_ali_close,
1596 .hw_params = snd_ali_modem_hw_params,
1597 .prepare = snd_ali_prepare,
1598 .trigger = snd_ali_trigger,
1599 .pointer = snd_ali_pointer,
1600 };
1601
1602
1603 struct ali_pcm_description {
1604 char *name;
1605 unsigned int playback_num;
1606 unsigned int capture_num;
1607 const struct snd_pcm_ops *playback_ops;
1608 const struct snd_pcm_ops *capture_ops;
1609 unsigned short class;
1610 };
1611
1612
1613 static void snd_ali_pcm_free(struct snd_pcm *pcm)
1614 {
1615 struct snd_ali *codec = pcm->private_data;
1616 codec->pcm[pcm->device] = NULL;
1617 }
1618
1619
1620 static int snd_ali_pcm(struct snd_ali *codec, int device,
1621 struct ali_pcm_description *desc)
1622 {
1623 struct snd_pcm *pcm;
1624 int err;
1625
1626 err = snd_pcm_new(codec->card, desc->name, device,
1627 desc->playback_num, desc->capture_num, &pcm);
1628 if (err < 0) {
1629 dev_err(codec->card->dev,
1630 "snd_ali_pcm: err called snd_pcm_new.\n");
1631 return err;
1632 }
1633 pcm->private_data = codec;
1634 pcm->private_free = snd_ali_pcm_free;
1635 if (desc->playback_ops)
1636 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1637 desc->playback_ops);
1638 if (desc->capture_ops)
1639 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1640 desc->capture_ops);
1641
1642 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1643 &codec->pci->dev, 64*1024, 128*1024);
1644
1645 pcm->info_flags = 0;
1646 pcm->dev_class = desc->class;
1647 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1648 strcpy(pcm->name, desc->name);
1649 codec->pcm[0] = pcm;
1650 return 0;
1651 }
1652
1653 static struct ali_pcm_description ali_pcms[] = {
1654 { .name = "ALI 5451",
1655 .playback_num = ALI_CHANNELS,
1656 .capture_num = 1,
1657 .playback_ops = &snd_ali_playback_ops,
1658 .capture_ops = &snd_ali_capture_ops
1659 },
1660 { .name = "ALI 5451 modem",
1661 .playback_num = 1,
1662 .capture_num = 1,
1663 .playback_ops = &snd_ali_modem_playback_ops,
1664 .capture_ops = &snd_ali_modem_capture_ops,
1665 .class = SNDRV_PCM_CLASS_MODEM
1666 }
1667 };
1668
1669 static int snd_ali_build_pcms(struct snd_ali *codec)
1670 {
1671 int i, err;
1672 for (i = 0; i < codec->num_of_codecs && i < ARRAY_SIZE(ali_pcms); i++) {
1673 err = snd_ali_pcm(codec, i, &ali_pcms[i]);
1674 if (err < 0)
1675 return err;
1676 }
1677 return 0;
1678 }
1679
1680
1681 #define ALI5451_SPDIF(xname, xindex, value) \
1682 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
1683 .info = snd_ali5451_spdif_info, .get = snd_ali5451_spdif_get, \
1684 .put = snd_ali5451_spdif_put, .private_value = value}
1685
1686 #define snd_ali5451_spdif_info snd_ctl_boolean_mono_info
1687
1688 static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol,
1689 struct snd_ctl_elem_value *ucontrol)
1690 {
1691 struct snd_ali *codec = kcontrol->private_data;
1692 unsigned int spdif_enable;
1693
1694 spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0;
1695
1696 spin_lock_irq(&codec->reg_lock);
1697 switch (kcontrol->private_value) {
1698 case 0:
1699 spdif_enable = (codec->spdif_mask & 0x02) ? 1 : 0;
1700 break;
1701 case 1:
1702 spdif_enable = ((codec->spdif_mask & 0x02) &&
1703 (codec->spdif_mask & 0x04)) ? 1 : 0;
1704 break;
1705 case 2:
1706 spdif_enable = (codec->spdif_mask & 0x01) ? 1 : 0;
1707 break;
1708 default:
1709 break;
1710 }
1711 ucontrol->value.integer.value[0] = spdif_enable;
1712 spin_unlock_irq(&codec->reg_lock);
1713 return 0;
1714 }
1715
1716 static int snd_ali5451_spdif_put(struct snd_kcontrol *kcontrol,
1717 struct snd_ctl_elem_value *ucontrol)
1718 {
1719 struct snd_ali *codec = kcontrol->private_data;
1720 unsigned int change = 0, spdif_enable = 0;
1721
1722 spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0;
1723
1724 spin_lock_irq(&codec->reg_lock);
1725 switch (kcontrol->private_value) {
1726 case 0:
1727 change = (codec->spdif_mask & 0x02) ? 1 : 0;
1728 change = change ^ spdif_enable;
1729 if (change) {
1730 if (spdif_enable) {
1731 codec->spdif_mask |= 0x02;
1732 snd_ali_enable_spdif_out(codec);
1733 } else {
1734 codec->spdif_mask &= ~(0x02);
1735 codec->spdif_mask &= ~(0x04);
1736 snd_ali_disable_spdif_out(codec);
1737 }
1738 }
1739 break;
1740 case 1:
1741 change = (codec->spdif_mask & 0x04) ? 1 : 0;
1742 change = change ^ spdif_enable;
1743 if (change && (codec->spdif_mask & 0x02)) {
1744 if (spdif_enable) {
1745 codec->spdif_mask |= 0x04;
1746 snd_ali_enable_spdif_chnout(codec);
1747 } else {
1748 codec->spdif_mask &= ~(0x04);
1749 snd_ali_disable_spdif_chnout(codec);
1750 }
1751 }
1752 break;
1753 case 2:
1754 change = (codec->spdif_mask & 0x01) ? 1 : 0;
1755 change = change ^ spdif_enable;
1756 if (change) {
1757 if (spdif_enable) {
1758 codec->spdif_mask |= 0x01;
1759 snd_ali_enable_spdif_in(codec);
1760 } else {
1761 codec->spdif_mask &= ~(0x01);
1762 snd_ali_disable_spdif_in(codec);
1763 }
1764 }
1765 break;
1766 default:
1767 break;
1768 }
1769 spin_unlock_irq(&codec->reg_lock);
1770
1771 return change;
1772 }
1773
1774 static const struct snd_kcontrol_new snd_ali5451_mixer_spdif[] = {
1775 /* spdif aplayback switch */
1776 /* FIXME: "IEC958 Playback Switch" may conflict with one on ac97_codec */
1777 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 0, 0),
1778 /* spdif out to spdif channel */
1779 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Channel Output ",NONE,SWITCH), 0, 1),
1780 /* spdif in from spdif channel */
1781 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, 2)
1782 };
1783
1784 static int snd_ali_mixer(struct snd_ali *codec)
1785 {
1786 struct snd_ac97_template ac97;
1787 unsigned int idx;
1788 int i, err;
1789 static const struct snd_ac97_bus_ops ops = {
1790 .write = snd_ali_codec_write,
1791 .read = snd_ali_codec_read,
1792 };
1793
1794 err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus);
1795 if (err < 0)
1796 return err;
1797
1798 memset(&ac97, 0, sizeof(ac97));
1799 ac97.private_data = codec;
1800
1801 for (i = 0; i < codec->num_of_codecs; i++) {
1802 ac97.num = i;
1803 err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97[i]);
1804 if (err < 0) {
1805 dev_err(codec->card->dev,
1806 "ali mixer %d creating error.\n", i);
1807 if (i == 0)
1808 return err;
1809 codec->num_of_codecs = 1;
1810 break;
1811 }
1812 }
1813
1814 if (codec->spdif_support) {
1815 for (idx = 0; idx < ARRAY_SIZE(snd_ali5451_mixer_spdif); idx++) {
1816 err = snd_ctl_add(codec->card,
1817 snd_ctl_new1(&snd_ali5451_mixer_spdif[idx], codec));
1818 if (err < 0)
1819 return err;
1820 }
1821 }
1822 return 0;
1823 }
1824
1825 static int ali_suspend(struct device *dev)
1826 {
1827 struct snd_card *card = dev_get_drvdata(dev);
1828 struct snd_ali *chip = card->private_data;
1829 struct snd_ali_image *im = &chip->image;
1830 int i, j;
1831
1832 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1833 for (i = 0; i < chip->num_of_codecs; i++)
1834 snd_ac97_suspend(chip->ac97[i]);
1835
1836 spin_lock_irq(&chip->reg_lock);
1837
1838 im->regs[ALI_MISCINT >> 2] = inl(ALI_REG(chip, ALI_MISCINT));
1839 /* im->regs[ALI_START >> 2] = inl(ALI_REG(chip, ALI_START)); */
1840 im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP));
1841
1842 /* disable all IRQ bits */
1843 outl(0, ALI_REG(chip, ALI_MISCINT));
1844
1845 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
1846 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP))
1847 continue;
1848 im->regs[i] = inl(ALI_REG(chip, i*4));
1849 }
1850
1851 for (i = 0; i < ALI_CHANNELS; i++) {
1852 outb(i, ALI_REG(chip, ALI_GC_CIR));
1853 for (j = 0; j < ALI_CHANNEL_REGS; j++)
1854 im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0));
1855 }
1856
1857 /* stop all HW channel */
1858 outl(0xffffffff, ALI_REG(chip, ALI_STOP));
1859
1860 spin_unlock_irq(&chip->reg_lock);
1861 return 0;
1862 }
1863
1864 static int ali_resume(struct device *dev)
1865 {
1866 struct snd_card *card = dev_get_drvdata(dev);
1867 struct snd_ali *chip = card->private_data;
1868 struct snd_ali_image *im = &chip->image;
1869 int i, j;
1870
1871 spin_lock_irq(&chip->reg_lock);
1872
1873 for (i = 0; i < ALI_CHANNELS; i++) {
1874 outb(i, ALI_REG(chip, ALI_GC_CIR));
1875 for (j = 0; j < ALI_CHANNEL_REGS; j++)
1876 outl(im->channel_regs[i][j], ALI_REG(chip, j*4 + 0xe0));
1877 }
1878
1879 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
1880 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) ||
1881 (i*4 == ALI_START))
1882 continue;
1883 outl(im->regs[i], ALI_REG(chip, i*4));
1884 }
1885
1886 /* start HW channel */
1887 outl(im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START));
1888 /* restore IRQ enable bits */
1889 outl(im->regs[ALI_MISCINT >> 2], ALI_REG(chip, ALI_MISCINT));
1890
1891 spin_unlock_irq(&chip->reg_lock);
1892
1893 for (i = 0 ; i < chip->num_of_codecs; i++)
1894 snd_ac97_resume(chip->ac97[i]);
1895
1896 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1897 return 0;
1898 }
1899
1900 static DEFINE_SIMPLE_DEV_PM_OPS(ali_pm, ali_suspend, ali_resume);
1901
1902 static void snd_ali_free(struct snd_card *card)
1903 {
1904 struct snd_ali *codec = card->private_data;
1905
1906 if (codec->hw_initialized)
1907 snd_ali_disable_address_interrupt(codec);
1908 pci_dev_put(codec->pci_m1533);
1909 pci_dev_put(codec->pci_m7101);
1910 }
1911
1912 static int snd_ali_chip_init(struct snd_ali *codec)
1913 {
1914 unsigned int legacy;
1915 unsigned char temp;
1916 struct pci_dev *pci_dev;
1917
1918 dev_dbg(codec->card->dev, "chip initializing ...\n");
1919
1920 if (snd_ali_reset_5451(codec)) {
1921 dev_err(codec->card->dev, "ali_chip_init: reset 5451 error.\n");
1922 return -1;
1923 }
1924
1925 if (codec->revision == ALI_5451_V02) {
1926 pci_dev = codec->pci_m1533;
1927 pci_read_config_byte(pci_dev, 0x59, &temp);
1928 temp |= 0x80;
1929 pci_write_config_byte(pci_dev, 0x59, temp);
1930
1931 pci_dev = codec->pci_m7101;
1932 pci_read_config_byte(pci_dev, 0xb8, &temp);
1933 temp |= 0x20;
1934 pci_write_config_byte(pci_dev, 0xB8, temp);
1935 }
1936
1937 pci_read_config_dword(codec->pci, 0x44, &legacy);
1938 legacy &= 0xff00ff00;
1939 legacy |= 0x000800aa;
1940 pci_write_config_dword(codec->pci, 0x44, legacy);
1941
1942 outl(0x80000001, ALI_REG(codec, ALI_GLOBAL_CONTROL));
1943 outl(0x00000000, ALI_REG(codec, ALI_AINTEN));
1944 outl(0xffffffff, ALI_REG(codec, ALI_AINT));
1945 outl(0x00000000, ALI_REG(codec, ALI_VOLUME));
1946 outb(0x10, ALI_REG(codec, ALI_MPUR2));
1947
1948 codec->ac97_ext_id = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_ID);
1949 codec->ac97_ext_status = snd_ali_codec_peek(codec, 0,
1950 AC97_EXTENDED_STATUS);
1951 if (codec->spdif_support) {
1952 snd_ali_enable_spdif_out(codec);
1953 codec->spdif_mask = 0x00000002;
1954 }
1955
1956 codec->num_of_codecs = 1;
1957
1958 /* secondary codec - modem */
1959 if (inl(ALI_REG(codec, ALI_SCTRL)) & ALI_SCTRL_CODEC2_READY) {
1960 codec->num_of_codecs++;
1961 outl(inl(ALI_REG(codec, ALI_SCTRL)) |
1962 (ALI_SCTRL_LINE_IN2 | ALI_SCTRL_GPIO_IN2 |
1963 ALI_SCTRL_LINE_OUT_EN),
1964 ALI_REG(codec, ALI_SCTRL));
1965 }
1966
1967 dev_dbg(codec->card->dev, "chip initialize succeed.\n");
1968 return 0;
1969
1970 }
1971
1972 /* proc for register dump */
1973 static void snd_ali_proc_read(struct snd_info_entry *entry,
1974 struct snd_info_buffer *buf)
1975 {
1976 struct snd_ali *codec = entry->private_data;
1977 int i;
1978 for (i = 0; i < 256 ; i+= 4)
1979 snd_iprintf(buf, "%02x: %08x\n", i, inl(ALI_REG(codec, i)));
1980 }
1981
1982 static void snd_ali_proc_init(struct snd_ali *codec)
1983 {
1984 snd_card_ro_proc_new(codec->card, "ali5451", codec, snd_ali_proc_read);
1985 }
1986
1987 static int snd_ali_resources(struct snd_ali *codec)
1988 {
1989 int err;
1990
1991 dev_dbg(codec->card->dev, "resources allocation ...\n");
1992 err = pci_request_regions(codec->pci, "ALI 5451");
1993 if (err < 0)
1994 return err;
1995 codec->port = pci_resource_start(codec->pci, 0);
1996
1997 if (devm_request_irq(&codec->pci->dev, codec->pci->irq,
1998 snd_ali_card_interrupt,
1999 IRQF_SHARED, KBUILD_MODNAME, codec)) {
2000 dev_err(codec->card->dev, "Unable to request irq.\n");
2001 return -EBUSY;
2002 }
2003 codec->irq = codec->pci->irq;
2004 codec->card->sync_irq = codec->irq;
2005 dev_dbg(codec->card->dev, "resources allocated.\n");
2006 return 0;
2007 }
2008
2009 static int snd_ali_create(struct snd_card *card,
2010 struct pci_dev *pci,
2011 int pcm_streams,
2012 int spdif_support)
2013 {
2014 struct snd_ali *codec = card->private_data;
2015 int i, err;
2016 unsigned short cmdw;
2017
2018 dev_dbg(card->dev, "creating ...\n");
2019
2020 /* enable PCI device */
2021 err = pcim_enable_device(pci);
2022 if (err < 0)
2023 return err;
2024 /* check, if we can restrict PCI DMA transfers to 31 bits */
2025 if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(31))) {
2026 dev_err(card->dev,
2027 "architecture does not support 31bit PCI busmaster DMA\n");
2028 return -ENXIO;
2029 }
2030
2031 spin_lock_init(&codec->reg_lock);
2032 spin_lock_init(&codec->voice_alloc);
2033
2034 codec->card = card;
2035 codec->pci = pci;
2036 codec->irq = -1;
2037 codec->revision = pci->revision;
2038 codec->spdif_support = spdif_support;
2039
2040 if (pcm_streams < 1)
2041 pcm_streams = 1;
2042 if (pcm_streams > 32)
2043 pcm_streams = 32;
2044
2045 pci_set_master(pci);
2046 pci_read_config_word(pci, PCI_COMMAND, &cmdw);
2047 if ((cmdw & PCI_COMMAND_IO) != PCI_COMMAND_IO) {
2048 cmdw |= PCI_COMMAND_IO;
2049 pci_write_config_word(pci, PCI_COMMAND, cmdw);
2050 }
2051
2052 if (snd_ali_resources(codec))
2053 return -EBUSY;
2054 card->private_free = snd_ali_free;
2055
2056 codec->synth.chmap = 0;
2057 codec->synth.chcnt = 0;
2058 codec->spdif_mask = 0;
2059 codec->synth.synthcount = 0;
2060
2061 if (codec->revision == ALI_5451_V02)
2062 codec->chregs.regs.ac97read = ALI_AC97_WRITE;
2063 else
2064 codec->chregs.regs.ac97read = ALI_AC97_READ;
2065 codec->chregs.regs.ac97write = ALI_AC97_WRITE;
2066
2067 codec->chregs.regs.start = ALI_START;
2068 codec->chregs.regs.stop = ALI_STOP;
2069 codec->chregs.regs.aint = ALI_AINT;
2070 codec->chregs.regs.ainten = ALI_AINTEN;
2071
2072 codec->chregs.data.start = 0x00;
2073 codec->chregs.data.stop = 0x00;
2074 codec->chregs.data.aint = 0x00;
2075 codec->chregs.data.ainten = 0x00;
2076
2077 /* M1533: southbridge */
2078 codec->pci_m1533 = pci_get_device(0x10b9, 0x1533, NULL);
2079 if (!codec->pci_m1533) {
2080 dev_err(card->dev, "cannot find ALi 1533 chip.\n");
2081 return -ENODEV;
2082 }
2083 /* M7101: power management */
2084 codec->pci_m7101 = pci_get_device(0x10b9, 0x7101, NULL);
2085 if (!codec->pci_m7101 && codec->revision == ALI_5451_V02) {
2086 dev_err(card->dev, "cannot find ALi 7101 chip.\n");
2087 return -ENODEV;
2088 }
2089
2090 /* initialise synth voices*/
2091 for (i = 0; i < ALI_CHANNELS; i++)
2092 codec->synth.voices[i].number = i;
2093
2094 err = snd_ali_chip_init(codec);
2095 if (err < 0) {
2096 dev_err(card->dev, "ali create: chip init error.\n");
2097 return err;
2098 }
2099
2100 snd_ali_enable_address_interrupt(codec);
2101 codec->hw_initialized = 1;
2102 return 0;
2103 }
2104
2105 static int __snd_ali_probe(struct pci_dev *pci,
2106 const struct pci_device_id *pci_id)
2107 {
2108 struct snd_card *card;
2109 struct snd_ali *codec;
2110 int err;
2111
2112 dev_dbg(&pci->dev, "probe ...\n");
2113
2114 err = snd_devm_card_new(&pci->dev, index, id, THIS_MODULE,
2115 sizeof(*codec), &card);
2116 if (err < 0)
2117 return err;
2118 codec = card->private_data;
2119
2120 err = snd_ali_create(card, pci, pcm_channels, spdif);
2121 if (err < 0)
2122 return err;
2123
2124 dev_dbg(&pci->dev, "mixer building ...\n");
2125 err = snd_ali_mixer(codec);
2126 if (err < 0)
2127 return err;
2128
2129 dev_dbg(&pci->dev, "pcm building ...\n");
2130 err = snd_ali_build_pcms(codec);
2131 if (err < 0)
2132 return err;
2133
2134 snd_ali_proc_init(codec);
2135
2136 strcpy(card->driver, "ALI5451");
2137 strcpy(card->shortname, "ALI 5451");
2138
2139 sprintf(card->longname, "%s at 0x%lx, irq %i",
2140 card->shortname, codec->port, codec->irq);
2141
2142 dev_dbg(&pci->dev, "register card.\n");
2143 err = snd_card_register(card);
2144 if (err < 0)
2145 return err;
2146
2147 pci_set_drvdata(pci, card);
2148 return 0;
2149 }
2150
2151 static int snd_ali_probe(struct pci_dev *pci,
2152 const struct pci_device_id *pci_id)
2153 {
2154 return snd_card_free_on_error(&pci->dev, __snd_ali_probe(pci, pci_id));
2155 }
2156
2157 static struct pci_driver ali5451_driver = {
2158 .name = KBUILD_MODNAME,
2159 .id_table = snd_ali_ids,
2160 .probe = snd_ali_probe,
2161 .driver = {
2162 .pm = &ali_pm,
2163 },
2164 };
2165
2166 module_pci_driver(ali5451_driver);
Kernel DRM miscellaneous fixes and cross-tree changes