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spi: spi-fsl-qspi: Fix return value check of devm_ioremap() in probe
[linux/fpc-iii.git] / sound / pci / ali5451 / ali5451.c
blob4462375d2d826cb66192d62a5a0d489d4c3eddab
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 MODULE_SUPPORTED_DEVICE("{{ALI,M5451,pci},{ALI,M5451}}");
33
34 static int index = SNDRV_DEFAULT_IDX1; /* Index */
35 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */
36 static int pcm_channels = 32;
37 static bool spdif;
38
39 module_param(index, int, 0444);
40 MODULE_PARM_DESC(index, "Index value for ALI M5451 PCI Audio.");
41 module_param(id, charp, 0444);
42 MODULE_PARM_DESC(id, "ID string for ALI M5451 PCI Audio.");
43 module_param(pcm_channels, int, 0444);
44 MODULE_PARM_DESC(pcm_channels, "PCM Channels");
45 module_param(spdif, bool, 0444);
46 MODULE_PARM_DESC(spdif, "Support SPDIF I/O");
47
48 /* just for backward compatibility */
49 static bool enable;
50 module_param(enable, bool, 0444);
51
52
53 /*
54 * Constants definition
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 * Direct Registers
79 */
80
81 #define ALI_LEGACY_DMAR0 0x00 /* ADR0 */
82 #define ALI_LEGACY_DMAR4 0x04 /* CNT0 */
83 #define ALI_LEGACY_DMAR11 0x0b /* MOD */
84 #define ALI_LEGACY_DMAR15 0x0f /* MMR */
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 /* bit 10 */
130 #define ALI_SPDIF_IN_SUPPORT 0x00000800 /* bit 11 */
131 #define ALI_SPDIF_OUT_CH_ENABLE 0x00008000 /* bit 15 */
132 #define ALI_SPDIF_IN_CH_ENABLE 0x00080000 /* bit 19 */
133 #define ALI_PCM_IN_ENABLE 0x80000000 /* bit 31 */
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
147 struct snd_ali;
148 struct snd_ali_voice;
149
150 struct snd_ali_channel_control {
151 /* register data */
152 struct REGDATA {
153 unsigned int start;
154 unsigned int stop;
155 unsigned int aint;
156 unsigned int ainten;
157 } data;
158
159 /* register addresses */
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
171 struct 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 /* PCM data */
181 struct snd_ali *codec;
182 struct snd_pcm_substream *substream;
183 struct snd_ali_voice *extra;
184
185 int eso; /* final ESO value for channel */
186 int count; /* runtime->period_size */
187
188 /* --- */
189
190 void *private_data;
191 void (*private_free)(void *private_data);
192 };
193
194
195 struct snd_alidev {
196
197 struct snd_ali_voice voices[ALI_CHANNELS];
198
199 unsigned int chcnt; /* num of opened channels */
200 unsigned int chmap; /* bitmap for opened channels */
201 unsigned int synthcount;
202
203 };
204
205
206 #define ALI_GLOBAL_REGS 56
207 #define ALI_CHANNEL_REGS 8
208 struct snd_ali_image {
209 u32 regs[ALI_GLOBAL_REGS];
210 u32 channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS];
211 };
212
213
214 struct 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 /* S/PDIF Mask */
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
252 static 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 };
256 MODULE_DEVICE_TABLE(pci, snd_ali_ids);
257
258 static void snd_ali_clear_voices(struct snd_ali *, unsigned int, unsigned int);
259 static unsigned short snd_ali_codec_peek(struct snd_ali *, int, unsigned short);
260 static void snd_ali_codec_poke(struct snd_ali *, int, unsigned short,
261 unsigned short);
262
263 /*
264 * AC97 ACCESS
265 */
266
267 static 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
273 static 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
280 static 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
302 static 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
323 static 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
355 static 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; /* bit 15*/
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
390 static 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
407 static 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 * AC97 Reset
418 */
419
420 static 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 /* non-fatal if you have a non PM capable codec */
453 /* dev_warn(codec->card->dev, "ali5451: reset time out\n"); */
454 return 0;
455 }
456
457 /*
458 * ALI 5451 Controller
459 */
460
461 static 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
471 static 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
481 static 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
491 static 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
501 static 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
515 static 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
534 static 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 /* recording */
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 /* playback... */
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
583 static 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
603 static 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 * S/PDIF Part
613 */
614
615 static 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
630 static 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
686 static 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
711 static 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
726 static 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
738 static 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; /* select right */
753 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
754 outb(dwRate | 0x20, ALI_REG(codec, ALI_SPDIF_CS + 2));
755
756 bVal &= ~0x80; /* select left */
757 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
758 outw(rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2));
759 }
760
761 static 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
794 static 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 wVal = inw(ALI_REG(codec, ALI_SPDIF_CS));
803 if (flag & ALI_SPDIF_OUT_NON_PCM)
804 wVal |= 0x0002;
805 else
806 wVal &= (~0x0002);
807 outw(wVal, ALI_REG(codec, ALI_SPDIF_CS));
808 */
809 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
810 }
811
812 static 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
823 static 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
833 static 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 /* check if interrupt occurred for channel */
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 /* pcm interrupt */
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 /* synth interrupt */
869 } else if (codec->synth.voices[channel].midi) {
870 /* midi interrupt */
871 } else {
872 /* unknown interrupt */
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
881 static 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 /* get interrupt status for all channels */
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
909 static 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
939 static 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
964 static 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
976 static 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)); /* Still Mode */
1010 outl(0x30000000, ALI_REG(codec, ALI_EBUF2)); /* Still Mode */
1011 }
1012
1013 static 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
1045 static 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 /* set ctrl mode
1051 CTRL default: 8-bit (unsigned) mono, loop mode enabled
1052 */
1053 CTRL = 0x00000001;
1054 if (snd_pcm_format_width(runtime->format) == 16)
1055 CTRL |= 0x00000008; /* 16-bit data */
1056 if (!snd_pcm_format_unsigned(runtime->format))
1057 CTRL |= 0x00000002; /* signed data */
1058 if (runtime->channels > 1)
1059 CTRL |= 0x00000004; /* stereo data */
1060 return CTRL;
1061 }
1062
1063 /*
1064 * PCM part
1065 */
1066
1067 static 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;
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 = 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 }
1114 }
1115 spin_lock(&codec->reg_lock);
1116 if (!do_start)
1117 outl(what, ALI_REG(codec, ALI_STOP));
1118 val = inl(ALI_REG(codec, ALI_AINTEN));
1119 if (do_start)
1120 val |= whati;
1121 else
1122 val &= ~whati;
1123 outl(val, ALI_REG(codec, ALI_AINTEN));
1124 if (do_start)
1125 outl(what, ALI_REG(codec, ALI_START));
1126 dev_dbg(codec->card->dev, "trigger: what=%xh whati=%xh\n", what, whati);
1127 spin_unlock(&codec->reg_lock);
1128
1129 return 0;
1130 }
1131
1132 static int snd_ali_playback_hw_params(struct snd_pcm_substream *substream,
1133 struct snd_pcm_hw_params *hw_params)
1134 {
1135 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1136 struct snd_pcm_runtime *runtime = substream->runtime;
1137 struct snd_ali_voice *pvoice = runtime->private_data;
1138 struct snd_ali_voice *evoice = pvoice->extra;
1139
1140 /* voice management */
1141
1142 if (params_buffer_size(hw_params) / 2 !=
1143 params_period_size(hw_params)) {
1144 if (!evoice) {
1145 evoice = snd_ali_alloc_voice(codec,
1146 SNDRV_ALI_VOICE_TYPE_PCM,
1147 0, -1);
1148 if (!evoice)
1149 return -ENOMEM;
1150 pvoice->extra = evoice;
1151 evoice->substream = substream;
1152 }
1153 } else {
1154 if (evoice) {
1155 snd_ali_free_voice(codec, evoice);
1156 pvoice->extra = evoice = NULL;
1157 }
1158 }
1159
1160 return 0;
1161 }
1162
1163 static int snd_ali_playback_hw_free(struct snd_pcm_substream *substream)
1164 {
1165 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1166 struct snd_pcm_runtime *runtime = substream->runtime;
1167 struct snd_ali_voice *pvoice = runtime->private_data;
1168 struct snd_ali_voice *evoice = pvoice ? pvoice->extra : NULL;
1169
1170 if (evoice) {
1171 snd_ali_free_voice(codec, evoice);
1172 pvoice->extra = NULL;
1173 }
1174 return 0;
1175 }
1176
1177 static int snd_ali_playback_prepare(struct snd_pcm_substream *substream)
1178 {
1179 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1180 struct snd_pcm_runtime *runtime = substream->runtime;
1181 struct snd_ali_voice *pvoice = runtime->private_data;
1182 struct snd_ali_voice *evoice = pvoice->extra;
1183
1184 unsigned int LBA;
1185 unsigned int Delta;
1186 unsigned int ESO;
1187 unsigned int CTRL;
1188 unsigned int GVSEL;
1189 unsigned int PAN;
1190 unsigned int VOL;
1191 unsigned int EC;
1192
1193 dev_dbg(codec->card->dev, "playback_prepare ...\n");
1194
1195 spin_lock_irq(&codec->reg_lock);
1196
1197 /* set Delta (rate) value */
1198 Delta = snd_ali_convert_rate(runtime->rate, 0);
1199
1200 if (pvoice->number == ALI_SPDIF_IN_CHANNEL ||
1201 pvoice->number == ALI_PCM_IN_CHANNEL)
1202 snd_ali_disable_special_channel(codec, pvoice->number);
1203 else if (codec->spdif_support &&
1204 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
1205 ALI_SPDIF_OUT_CH_ENABLE)
1206 && pvoice->number == ALI_SPDIF_OUT_CHANNEL) {
1207 snd_ali_set_spdif_out_rate(codec, runtime->rate);
1208 Delta = 0x1000;
1209 }
1210
1211 /* set Loop Back Address */
1212 LBA = runtime->dma_addr;
1213
1214 /* set interrupt count size */
1215 pvoice->count = runtime->period_size;
1216
1217 /* set target ESO for channel */
1218 pvoice->eso = runtime->buffer_size;
1219
1220 dev_dbg(codec->card->dev, "playback_prepare: eso=%xh count=%xh\n",
1221 pvoice->eso, pvoice->count);
1222
1223 /* set ESO to capture first MIDLP interrupt */
1224 ESO = pvoice->eso -1;
1225 /* set ctrl mode */
1226 CTRL = snd_ali_control_mode(substream);
1227
1228 GVSEL = 1;
1229 PAN = 0;
1230 VOL = 0;
1231 EC = 0;
1232 dev_dbg(codec->card->dev, "playback_prepare:\n");
1233 dev_dbg(codec->card->dev,
1234 "ch=%d, Rate=%d Delta=%xh,GVSEL=%xh,PAN=%xh,CTRL=%xh\n",
1235 pvoice->number,runtime->rate,Delta,GVSEL,PAN,CTRL);
1236 snd_ali_write_voice_regs(codec,
1237 pvoice->number,
1238 LBA,
1239 0, /* cso */
1240 ESO,
1241 Delta,
1242 0, /* alpha */
1243 GVSEL,
1244 PAN,
1245 VOL,
1246 CTRL,
1247 EC);
1248 if (evoice) {
1249 evoice->count = pvoice->count;
1250 evoice->eso = pvoice->count << 1;
1251 ESO = evoice->eso - 1;
1252 snd_ali_write_voice_regs(codec,
1253 evoice->number,
1254 LBA,
1255 0, /* cso */
1256 ESO,
1257 Delta,
1258 0, /* alpha */
1259 GVSEL,
1260 0x7f,
1261 0x3ff,
1262 CTRL,
1263 EC);
1264 }
1265 spin_unlock_irq(&codec->reg_lock);
1266 return 0;
1267 }
1268
1269
1270 static int snd_ali_prepare(struct snd_pcm_substream *substream)
1271 {
1272 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1273 struct snd_pcm_runtime *runtime = substream->runtime;
1274 struct snd_ali_voice *pvoice = runtime->private_data;
1275 unsigned int LBA;
1276 unsigned int Delta;
1277 unsigned int ESO;
1278 unsigned int CTRL;
1279 unsigned int GVSEL;
1280 unsigned int PAN;
1281 unsigned int VOL;
1282 unsigned int EC;
1283 u8 bValue;
1284
1285 spin_lock_irq(&codec->reg_lock);
1286
1287 dev_dbg(codec->card->dev, "ali_prepare...\n");
1288
1289 snd_ali_enable_special_channel(codec,pvoice->number);
1290
1291 Delta = (pvoice->number == ALI_MODEM_IN_CHANNEL ||
1292 pvoice->number == ALI_MODEM_OUT_CHANNEL) ?
1293 0x1000 : snd_ali_convert_rate(runtime->rate, pvoice->mode);
1294
1295 /* Prepare capture intr channel */
1296 if (pvoice->number == ALI_SPDIF_IN_CHANNEL) {
1297
1298 unsigned int rate;
1299
1300 spin_unlock_irq(&codec->reg_lock);
1301 if (codec->revision != ALI_5451_V02)
1302 return -1;
1303
1304 rate = snd_ali_get_spdif_in_rate(codec);
1305 if (rate == 0) {
1306 dev_warn(codec->card->dev,
1307 "ali_capture_prepare: spdif rate detect err!\n");
1308 rate = 48000;
1309 }
1310 spin_lock_irq(&codec->reg_lock);
1311 bValue = inb(ALI_REG(codec,ALI_SPDIF_CTRL));
1312 if (bValue & 0x10) {
1313 outb(bValue,ALI_REG(codec,ALI_SPDIF_CTRL));
1314 dev_warn(codec->card->dev,
1315 "clear SPDIF parity error flag.\n");
1316 }
1317
1318 if (rate != 48000)
1319 Delta = ((rate << 12) / runtime->rate) & 0x00ffff;
1320 }
1321
1322 /* set target ESO for channel */
1323 pvoice->eso = runtime->buffer_size;
1324
1325 /* set interrupt count size */
1326 pvoice->count = runtime->period_size;
1327
1328 /* set Loop Back Address */
1329 LBA = runtime->dma_addr;
1330
1331 /* set ESO to capture first MIDLP interrupt */
1332 ESO = pvoice->eso - 1;
1333 CTRL = snd_ali_control_mode(substream);
1334 GVSEL = 0;
1335 PAN = 0x00;
1336 VOL = 0x00;
1337 EC = 0;
1338
1339 snd_ali_write_voice_regs( codec,
1340 pvoice->number,
1341 LBA,
1342 0, /* cso */
1343 ESO,
1344 Delta,
1345 0, /* alpha */
1346 GVSEL,
1347 PAN,
1348 VOL,
1349 CTRL,
1350 EC);
1351
1352 spin_unlock_irq(&codec->reg_lock);
1353
1354 return 0;
1355 }
1356
1357
1358 static snd_pcm_uframes_t
1359 snd_ali_playback_pointer(struct snd_pcm_substream *substream)
1360 {
1361 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1362 struct snd_pcm_runtime *runtime = substream->runtime;
1363 struct snd_ali_voice *pvoice = runtime->private_data;
1364 unsigned int cso;
1365
1366 spin_lock(&codec->reg_lock);
1367 if (!pvoice->running) {
1368 spin_unlock(&codec->reg_lock);
1369 return 0;
1370 }
1371 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1372 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1373 spin_unlock(&codec->reg_lock);
1374 dev_dbg(codec->card->dev, "playback pointer returned cso=%xh.\n", cso);
1375
1376 cso %= runtime->buffer_size;
1377 return cso;
1378 }
1379
1380
1381 static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream)
1382 {
1383 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1384 struct snd_pcm_runtime *runtime = substream->runtime;
1385 struct snd_ali_voice *pvoice = runtime->private_data;
1386 unsigned int cso;
1387
1388 spin_lock(&codec->reg_lock);
1389 if (!pvoice->running) {
1390 spin_unlock(&codec->reg_lock);
1391 return 0;
1392 }
1393 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1394 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1395 spin_unlock(&codec->reg_lock);
1396
1397 cso %= runtime->buffer_size;
1398 return cso;
1399 }
1400
1401 static const struct snd_pcm_hardware snd_ali_playback =
1402 {
1403 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1404 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1405 SNDRV_PCM_INFO_MMAP_VALID |
1406 SNDRV_PCM_INFO_RESUME |
1407 SNDRV_PCM_INFO_SYNC_START),
1408 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1409 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1410 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1411 .rate_min = 4000,
1412 .rate_max = 48000,
1413 .channels_min = 1,
1414 .channels_max = 2,
1415 .buffer_bytes_max = (256*1024),
1416 .period_bytes_min = 64,
1417 .period_bytes_max = (256*1024),
1418 .periods_min = 1,
1419 .periods_max = 1024,
1420 .fifo_size = 0,
1421 };
1422
1423 /*
1424 * Capture support device description
1425 */
1426
1427 static const struct snd_pcm_hardware snd_ali_capture =
1428 {
1429 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1430 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1431 SNDRV_PCM_INFO_MMAP_VALID |
1432 SNDRV_PCM_INFO_RESUME |
1433 SNDRV_PCM_INFO_SYNC_START),
1434 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1435 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1436 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1437 .rate_min = 4000,
1438 .rate_max = 48000,
1439 .channels_min = 1,
1440 .channels_max = 2,
1441 .buffer_bytes_max = (128*1024),
1442 .period_bytes_min = 64,
1443 .period_bytes_max = (128*1024),
1444 .periods_min = 1,
1445 .periods_max = 1024,
1446 .fifo_size = 0,
1447 };
1448
1449 static void snd_ali_pcm_free_substream(struct snd_pcm_runtime *runtime)
1450 {
1451 struct snd_ali_voice *pvoice = runtime->private_data;
1452
1453 if (pvoice)
1454 snd_ali_free_voice(pvoice->codec, pvoice);
1455 }
1456
1457 static int snd_ali_open(struct snd_pcm_substream *substream, int rec,
1458 int channel, const struct snd_pcm_hardware *phw)
1459 {
1460 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1461 struct snd_pcm_runtime *runtime = substream->runtime;
1462 struct snd_ali_voice *pvoice;
1463
1464 pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, rec,
1465 channel);
1466 if (!pvoice)
1467 return -EAGAIN;
1468
1469 pvoice->substream = substream;
1470 runtime->private_data = pvoice;
1471 runtime->private_free = snd_ali_pcm_free_substream;
1472
1473 runtime->hw = *phw;
1474 snd_pcm_set_sync(substream);
1475 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
1476 0, 64*1024);
1477 return 0;
1478 }
1479
1480 static int snd_ali_playback_open(struct snd_pcm_substream *substream)
1481 {
1482 return snd_ali_open(substream, 0, -1, &snd_ali_playback);
1483 }
1484
1485 static int snd_ali_capture_open(struct snd_pcm_substream *substream)
1486 {
1487 return snd_ali_open(substream, 1, -1, &snd_ali_capture);
1488 }
1489
1490 static int snd_ali_playback_close(struct snd_pcm_substream *substream)
1491 {
1492 return 0;
1493 }
1494
1495 static int snd_ali_close(struct snd_pcm_substream *substream)
1496 {
1497 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1498 struct snd_ali_voice *pvoice = substream->runtime->private_data;
1499
1500 snd_ali_disable_special_channel(codec,pvoice->number);
1501
1502 return 0;
1503 }
1504
1505 static const struct snd_pcm_ops snd_ali_playback_ops = {
1506 .open = snd_ali_playback_open,
1507 .close = snd_ali_playback_close,
1508 .hw_params = snd_ali_playback_hw_params,
1509 .hw_free = snd_ali_playback_hw_free,
1510 .prepare = snd_ali_playback_prepare,
1511 .trigger = snd_ali_trigger,
1512 .pointer = snd_ali_playback_pointer,
1513 };
1514
1515 static const struct snd_pcm_ops snd_ali_capture_ops = {
1516 .open = snd_ali_capture_open,
1517 .close = snd_ali_close,
1518 .prepare = snd_ali_prepare,
1519 .trigger = snd_ali_trigger,
1520 .pointer = snd_ali_pointer,
1521 };
1522
1523 /*
1524 * Modem PCM
1525 */
1526
1527 static int snd_ali_modem_hw_params(struct snd_pcm_substream *substream,
1528 struct snd_pcm_hw_params *hw_params)
1529 {
1530 struct snd_ali *chip = snd_pcm_substream_chip(substream);
1531 unsigned int modem_num = chip->num_of_codecs - 1;
1532 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_RATE,
1533 params_rate(hw_params));
1534 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_LEVEL, 0);
1535 return 0;
1536 }
1537
1538 static const struct snd_pcm_hardware snd_ali_modem =
1539 {
1540 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1541 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1542 SNDRV_PCM_INFO_MMAP_VALID |
1543 SNDRV_PCM_INFO_RESUME |
1544 SNDRV_PCM_INFO_SYNC_START),
1545 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1546 .rates = (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000 |
1547 SNDRV_PCM_RATE_16000),
1548 .rate_min = 8000,
1549 .rate_max = 16000,
1550 .channels_min = 1,
1551 .channels_max = 1,
1552 .buffer_bytes_max = (256*1024),
1553 .period_bytes_min = 64,
1554 .period_bytes_max = (256*1024),
1555 .periods_min = 1,
1556 .periods_max = 1024,
1557 .fifo_size = 0,
1558 };
1559
1560 static int snd_ali_modem_open(struct snd_pcm_substream *substream, int rec,
1561 int channel)
1562 {
1563 static const unsigned int rates[] = {8000, 9600, 12000, 16000};
1564 static const struct snd_pcm_hw_constraint_list hw_constraint_rates = {
1565 .count = ARRAY_SIZE(rates),
1566 .list = rates,
1567 .mask = 0,
1568 };
1569 int err = snd_ali_open(substream, rec, channel, &snd_ali_modem);
1570
1571 if (err)
1572 return err;
1573 return snd_pcm_hw_constraint_list(substream->runtime, 0,
1574 SNDRV_PCM_HW_PARAM_RATE, &hw_constraint_rates);
1575 }
1576
1577 static int snd_ali_modem_playback_open(struct snd_pcm_substream *substream)
1578 {
1579 return snd_ali_modem_open(substream, 0, ALI_MODEM_OUT_CHANNEL);
1580 }
1581
1582 static int snd_ali_modem_capture_open(struct snd_pcm_substream *substream)
1583 {
1584 return snd_ali_modem_open(substream, 1, ALI_MODEM_IN_CHANNEL);
1585 }
1586
1587 static const struct snd_pcm_ops snd_ali_modem_playback_ops = {
1588 .open = snd_ali_modem_playback_open,
1589 .close = snd_ali_close,
1590 .hw_params = snd_ali_modem_hw_params,
1591 .prepare = snd_ali_prepare,
1592 .trigger = snd_ali_trigger,
1593 .pointer = snd_ali_pointer,
1594 };
1595
1596 static const struct snd_pcm_ops snd_ali_modem_capture_ops = {
1597 .open = snd_ali_modem_capture_open,
1598 .close = snd_ali_close,
1599 .hw_params = snd_ali_modem_hw_params,
1600 .prepare = snd_ali_prepare,
1601 .trigger = snd_ali_trigger,
1602 .pointer = snd_ali_pointer,
1603 };
1604
1605
1606 struct ali_pcm_description {
1607 char *name;
1608 unsigned int playback_num;
1609 unsigned int capture_num;
1610 const struct snd_pcm_ops *playback_ops;
1611 const struct snd_pcm_ops *capture_ops;
1612 unsigned short class;
1613 };
1614
1615
1616 static void snd_ali_pcm_free(struct snd_pcm *pcm)
1617 {
1618 struct snd_ali *codec = pcm->private_data;
1619 codec->pcm[pcm->device] = NULL;
1620 }
1621
1622
1623 static int snd_ali_pcm(struct snd_ali *codec, int device,
1624 struct ali_pcm_description *desc)
1625 {
1626 struct snd_pcm *pcm;
1627 int err;
1628
1629 err = snd_pcm_new(codec->card, desc->name, device,
1630 desc->playback_num, desc->capture_num, &pcm);
1631 if (err < 0) {
1632 dev_err(codec->card->dev,
1633 "snd_ali_pcm: err called snd_pcm_new.\n");
1634 return err;
1635 }
1636 pcm->private_data = codec;
1637 pcm->private_free = snd_ali_pcm_free;
1638 if (desc->playback_ops)
1639 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1640 desc->playback_ops);
1641 if (desc->capture_ops)
1642 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1643 desc->capture_ops);
1644
1645 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1646 &codec->pci->dev, 64*1024, 128*1024);
1647
1648 pcm->info_flags = 0;
1649 pcm->dev_class = desc->class;
1650 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1651 strcpy(pcm->name, desc->name);
1652 codec->pcm[0] = pcm;
1653 return 0;
1654 }
1655
1656 static struct ali_pcm_description ali_pcms[] = {
1657 { .name = "ALI 5451",
1658 .playback_num = ALI_CHANNELS,
1659 .capture_num = 1,
1660 .playback_ops = &snd_ali_playback_ops,
1661 .capture_ops = &snd_ali_capture_ops
1662 },
1663 { .name = "ALI 5451 modem",
1664 .playback_num = 1,
1665 .capture_num = 1,
1666 .playback_ops = &snd_ali_modem_playback_ops,
1667 .capture_ops = &snd_ali_modem_capture_ops,
1668 .class = SNDRV_PCM_CLASS_MODEM
1669 }
1670 };
1671
1672 static int snd_ali_build_pcms(struct snd_ali *codec)
1673 {
1674 int i, err;
1675 for (i = 0; i < codec->num_of_codecs && i < ARRAY_SIZE(ali_pcms); i++) {
1676 err = snd_ali_pcm(codec, i, &ali_pcms[i]);
1677 if (err < 0)
1678 return err;
1679 }
1680 return 0;
1681 }
1682
1683
1684 #define ALI5451_SPDIF(xname, xindex, value) \
1685 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
1686 .info = snd_ali5451_spdif_info, .get = snd_ali5451_spdif_get, \
1687 .put = snd_ali5451_spdif_put, .private_value = value}
1688
1689 #define snd_ali5451_spdif_info snd_ctl_boolean_mono_info
1690
1691 static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol,
1692 struct snd_ctl_elem_value *ucontrol)
1693 {
1694 struct snd_ali *codec = kcontrol->private_data;
1695 unsigned int spdif_enable;
1696
1697 spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0;
1698
1699 spin_lock_irq(&codec->reg_lock);
1700 switch (kcontrol->private_value) {
1701 case 0:
1702 spdif_enable = (codec->spdif_mask & 0x02) ? 1 : 0;
1703 break;
1704 case 1:
1705 spdif_enable = ((codec->spdif_mask & 0x02) &&
1706 (codec->spdif_mask & 0x04)) ? 1 : 0;
1707 break;
1708 case 2:
1709 spdif_enable = (codec->spdif_mask & 0x01) ? 1 : 0;
1710 break;
1711 default:
1712 break;
1713 }
1714 ucontrol->value.integer.value[0] = spdif_enable;
1715 spin_unlock_irq(&codec->reg_lock);
1716 return 0;
1717 }
1718
1719 static int snd_ali5451_spdif_put(struct snd_kcontrol *kcontrol,
1720 struct snd_ctl_elem_value *ucontrol)
1721 {
1722 struct snd_ali *codec = kcontrol->private_data;
1723 unsigned int change = 0, spdif_enable = 0;
1724
1725 spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0;
1726
1727 spin_lock_irq(&codec->reg_lock);
1728 switch (kcontrol->private_value) {
1729 case 0:
1730 change = (codec->spdif_mask & 0x02) ? 1 : 0;
1731 change = change ^ spdif_enable;
1732 if (change) {
1733 if (spdif_enable) {
1734 codec->spdif_mask |= 0x02;
1735 snd_ali_enable_spdif_out(codec);
1736 } else {
1737 codec->spdif_mask &= ~(0x02);
1738 codec->spdif_mask &= ~(0x04);
1739 snd_ali_disable_spdif_out(codec);
1740 }
1741 }
1742 break;
1743 case 1:
1744 change = (codec->spdif_mask & 0x04) ? 1 : 0;
1745 change = change ^ spdif_enable;
1746 if (change && (codec->spdif_mask & 0x02)) {
1747 if (spdif_enable) {
1748 codec->spdif_mask |= 0x04;
1749 snd_ali_enable_spdif_chnout(codec);
1750 } else {
1751 codec->spdif_mask &= ~(0x04);
1752 snd_ali_disable_spdif_chnout(codec);
1753 }
1754 }
1755 break;
1756 case 2:
1757 change = (codec->spdif_mask & 0x01) ? 1 : 0;
1758 change = change ^ spdif_enable;
1759 if (change) {
1760 if (spdif_enable) {
1761 codec->spdif_mask |= 0x01;
1762 snd_ali_enable_spdif_in(codec);
1763 } else {
1764 codec->spdif_mask &= ~(0x01);
1765 snd_ali_disable_spdif_in(codec);
1766 }
1767 }
1768 break;
1769 default:
1770 break;
1771 }
1772 spin_unlock_irq(&codec->reg_lock);
1773
1774 return change;
1775 }
1776
1777 static const struct snd_kcontrol_new snd_ali5451_mixer_spdif[] = {
1778 /* spdif aplayback switch */
1779 /* FIXME: "IEC958 Playback Switch" may conflict with one on ac97_codec */
1780 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 0, 0),
1781 /* spdif out to spdif channel */
1782 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Channel Output ",NONE,SWITCH), 0, 1),
1783 /* spdif in from spdif channel */
1784 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, 2)
1785 };
1786
1787 static int snd_ali_mixer(struct snd_ali *codec)
1788 {
1789 struct snd_ac97_template ac97;
1790 unsigned int idx;
1791 int i, err;
1792 static const struct snd_ac97_bus_ops ops = {
1793 .write = snd_ali_codec_write,
1794 .read = snd_ali_codec_read,
1795 };
1796
1797 err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus);
1798 if (err < 0)
1799 return err;
1800
1801 memset(&ac97, 0, sizeof(ac97));
1802 ac97.private_data = codec;
1803
1804 for (i = 0; i < codec->num_of_codecs; i++) {
1805 ac97.num = i;
1806 err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97[i]);
1807 if (err < 0) {
1808 dev_err(codec->card->dev,
1809 "ali mixer %d creating error.\n", i);
1810 if (i == 0)
1811 return err;
1812 codec->num_of_codecs = 1;
1813 break;
1814 }
1815 }
1816
1817 if (codec->spdif_support) {
1818 for (idx = 0; idx < ARRAY_SIZE(snd_ali5451_mixer_spdif); idx++) {
1819 err = snd_ctl_add(codec->card,
1820 snd_ctl_new1(&snd_ali5451_mixer_spdif[idx], codec));
1821 if (err < 0)
1822 return err;
1823 }
1824 }
1825 return 0;
1826 }
1827
1828 #ifdef CONFIG_PM_SLEEP
1829 static int ali_suspend(struct device *dev)
1830 {
1831 struct snd_card *card = dev_get_drvdata(dev);
1832 struct snd_ali *chip = card->private_data;
1833 struct snd_ali_image *im;
1834 int i, j;
1835
1836 im = chip->image;
1837 if (!im)
1838 return 0;
1839
1840 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1841 for (i = 0; i < chip->num_of_codecs; i++)
1842 snd_ac97_suspend(chip->ac97[i]);
1843
1844 spin_lock_irq(&chip->reg_lock);
1845
1846 im->regs[ALI_MISCINT >> 2] = inl(ALI_REG(chip, ALI_MISCINT));
1847 /* im->regs[ALI_START >> 2] = inl(ALI_REG(chip, ALI_START)); */
1848 im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP));
1849
1850 /* disable all IRQ bits */
1851 outl(0, ALI_REG(chip, ALI_MISCINT));
1852
1853 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
1854 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP))
1855 continue;
1856 im->regs[i] = inl(ALI_REG(chip, i*4));
1857 }
1858
1859 for (i = 0; i < ALI_CHANNELS; i++) {
1860 outb(i, ALI_REG(chip, ALI_GC_CIR));
1861 for (j = 0; j < ALI_CHANNEL_REGS; j++)
1862 im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0));
1863 }
1864
1865 /* stop all HW channel */
1866 outl(0xffffffff, ALI_REG(chip, ALI_STOP));
1867
1868 spin_unlock_irq(&chip->reg_lock);
1869 return 0;
1870 }
1871
1872 static int ali_resume(struct device *dev)
1873 {
1874 struct snd_card *card = dev_get_drvdata(dev);
1875 struct snd_ali *chip = card->private_data;
1876 struct snd_ali_image *im;
1877 int i, j;
1878
1879 im = chip->image;
1880 if (!im)
1881 return 0;
1882
1883 spin_lock_irq(&chip->reg_lock);
1884
1885 for (i = 0; i < ALI_CHANNELS; i++) {
1886 outb(i, ALI_REG(chip, ALI_GC_CIR));
1887 for (j = 0; j < ALI_CHANNEL_REGS; j++)
1888 outl(im->channel_regs[i][j], ALI_REG(chip, j*4 + 0xe0));
1889 }
1890
1891 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
1892 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) ||
1893 (i*4 == ALI_START))
1894 continue;
1895 outl(im->regs[i], ALI_REG(chip, i*4));
1896 }
1897
1898 /* start HW channel */
1899 outl(im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START));
1900 /* restore IRQ enable bits */
1901 outl(im->regs[ALI_MISCINT >> 2], ALI_REG(chip, ALI_MISCINT));
1902
1903 spin_unlock_irq(&chip->reg_lock);
1904
1905 for (i = 0 ; i < chip->num_of_codecs; i++)
1906 snd_ac97_resume(chip->ac97[i]);
1907
1908 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1909 return 0;
1910 }
1911
1912 static SIMPLE_DEV_PM_OPS(ali_pm, ali_suspend, ali_resume);
1913 #define ALI_PM_OPS &ali_pm
1914 #else
1915 #define ALI_PM_OPS NULL
1916 #endif /* CONFIG_PM_SLEEP */
1917
1918 static int snd_ali_free(struct snd_ali * codec)
1919 {
1920 if (codec->hw_initialized)
1921 snd_ali_disable_address_interrupt(codec);
1922 if (codec->irq >= 0)
1923 free_irq(codec->irq, codec);
1924 if (codec->port)
1925 pci_release_regions(codec->pci);
1926 pci_disable_device(codec->pci);
1927 #ifdef CONFIG_PM_SLEEP
1928 kfree(codec->image);
1929 #endif
1930 pci_dev_put(codec->pci_m1533);
1931 pci_dev_put(codec->pci_m7101);
1932 kfree(codec);
1933 return 0;
1934 }
1935
1936 static int snd_ali_chip_init(struct snd_ali *codec)
1937 {
1938 unsigned int legacy;
1939 unsigned char temp;
1940 struct pci_dev *pci_dev;
1941
1942 dev_dbg(codec->card->dev, "chip initializing ...\n");
1943
1944 if (snd_ali_reset_5451(codec)) {
1945 dev_err(codec->card->dev, "ali_chip_init: reset 5451 error.\n");
1946 return -1;
1947 }
1948
1949 if (codec->revision == ALI_5451_V02) {
1950 pci_dev = codec->pci_m1533;
1951 pci_read_config_byte(pci_dev, 0x59, &temp);
1952 temp |= 0x80;
1953 pci_write_config_byte(pci_dev, 0x59, temp);
1954
1955 pci_dev = codec->pci_m7101;
1956 pci_read_config_byte(pci_dev, 0xb8, &temp);
1957 temp |= 0x20;
1958 pci_write_config_byte(pci_dev, 0xB8, temp);
1959 }
1960
1961 pci_read_config_dword(codec->pci, 0x44, &legacy);
1962 legacy &= 0xff00ff00;
1963 legacy |= 0x000800aa;
1964 pci_write_config_dword(codec->pci, 0x44, legacy);
1965
1966 outl(0x80000001, ALI_REG(codec, ALI_GLOBAL_CONTROL));
1967 outl(0x00000000, ALI_REG(codec, ALI_AINTEN));
1968 outl(0xffffffff, ALI_REG(codec, ALI_AINT));
1969 outl(0x00000000, ALI_REG(codec, ALI_VOLUME));
1970 outb(0x10, ALI_REG(codec, ALI_MPUR2));
1971
1972 codec->ac97_ext_id = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_ID);
1973 codec->ac97_ext_status = snd_ali_codec_peek(codec, 0,
1974 AC97_EXTENDED_STATUS);
1975 if (codec->spdif_support) {
1976 snd_ali_enable_spdif_out(codec);
1977 codec->spdif_mask = 0x00000002;
1978 }
1979
1980 codec->num_of_codecs = 1;
1981
1982 /* secondary codec - modem */
1983 if (inl(ALI_REG(codec, ALI_SCTRL)) & ALI_SCTRL_CODEC2_READY) {
1984 codec->num_of_codecs++;
1985 outl(inl(ALI_REG(codec, ALI_SCTRL)) |
1986 (ALI_SCTRL_LINE_IN2 | ALI_SCTRL_GPIO_IN2 |
1987 ALI_SCTRL_LINE_OUT_EN),
1988 ALI_REG(codec, ALI_SCTRL));
1989 }
1990
1991 dev_dbg(codec->card->dev, "chip initialize succeed.\n");
1992 return 0;
1993
1994 }
1995
1996 /* proc for register dump */
1997 static void snd_ali_proc_read(struct snd_info_entry *entry,
1998 struct snd_info_buffer *buf)
1999 {
2000 struct snd_ali *codec = entry->private_data;
2001 int i;
2002 for (i = 0; i < 256 ; i+= 4)
2003 snd_iprintf(buf, "%02x: %08x\n", i, inl(ALI_REG(codec, i)));
2004 }
2005
2006 static void snd_ali_proc_init(struct snd_ali *codec)
2007 {
2008 snd_card_ro_proc_new(codec->card, "ali5451", codec, snd_ali_proc_read);
2009 }
2010
2011 static int snd_ali_resources(struct snd_ali *codec)
2012 {
2013 int err;
2014
2015 dev_dbg(codec->card->dev, "resources allocation ...\n");
2016 err = pci_request_regions(codec->pci, "ALI 5451");
2017 if (err < 0)
2018 return err;
2019 codec->port = pci_resource_start(codec->pci, 0);
2020
2021 if (request_irq(codec->pci->irq, snd_ali_card_interrupt,
2022 IRQF_SHARED, KBUILD_MODNAME, codec)) {
2023 dev_err(codec->card->dev, "Unable to request irq.\n");
2024 return -EBUSY;
2025 }
2026 codec->irq = codec->pci->irq;
2027 codec->card->sync_irq = codec->irq;
2028 dev_dbg(codec->card->dev, "resources allocated.\n");
2029 return 0;
2030 }
2031 static int snd_ali_dev_free(struct snd_device *device)
2032 {
2033 struct snd_ali *codec = device->device_data;
2034 snd_ali_free(codec);
2035 return 0;
2036 }
2037
2038 static int snd_ali_create(struct snd_card *card,
2039 struct pci_dev *pci,
2040 int pcm_streams,
2041 int spdif_support,
2042 struct snd_ali **r_ali)
2043 {
2044 struct snd_ali *codec;
2045 int i, err;
2046 unsigned short cmdw;
2047 static const struct snd_device_ops ops = {
2048 .dev_free = snd_ali_dev_free,
2049 };
2050
2051 *r_ali = NULL;
2052
2053 dev_dbg(card->dev, "creating ...\n");
2054
2055 /* enable PCI device */
2056 err = pci_enable_device(pci);
2057 if (err < 0)
2058 return err;
2059 /* check, if we can restrict PCI DMA transfers to 31 bits */
2060 if (dma_set_mask(&pci->dev, DMA_BIT_MASK(31)) < 0 ||
2061 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(31)) < 0) {
2062 dev_err(card->dev,
2063 "architecture does not support 31bit PCI busmaster DMA\n");
2064 pci_disable_device(pci);
2065 return -ENXIO;
2066 }
2067
2068 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
2069 if (!codec) {
2070 pci_disable_device(pci);
2071 return -ENOMEM;
2072 }
2073
2074 spin_lock_init(&codec->reg_lock);
2075 spin_lock_init(&codec->voice_alloc);
2076
2077 codec->card = card;
2078 codec->pci = pci;
2079 codec->irq = -1;
2080 codec->revision = pci->revision;
2081 codec->spdif_support = spdif_support;
2082
2083 if (pcm_streams < 1)
2084 pcm_streams = 1;
2085 if (pcm_streams > 32)
2086 pcm_streams = 32;
2087
2088 pci_set_master(pci);
2089 pci_read_config_word(pci, PCI_COMMAND, &cmdw);
2090 if ((cmdw & PCI_COMMAND_IO) != PCI_COMMAND_IO) {
2091 cmdw |= PCI_COMMAND_IO;
2092 pci_write_config_word(pci, PCI_COMMAND, cmdw);
2093 }
2094 pci_set_master(pci);
2095
2096 if (snd_ali_resources(codec)) {
2097 snd_ali_free(codec);
2098 return -EBUSY;
2099 }
2100
2101 codec->synth.chmap = 0;
2102 codec->synth.chcnt = 0;
2103 codec->spdif_mask = 0;
2104 codec->synth.synthcount = 0;
2105
2106 if (codec->revision == ALI_5451_V02)
2107 codec->chregs.regs.ac97read = ALI_AC97_WRITE;
2108 else
2109 codec->chregs.regs.ac97read = ALI_AC97_READ;
2110 codec->chregs.regs.ac97write = ALI_AC97_WRITE;
2111
2112 codec->chregs.regs.start = ALI_START;
2113 codec->chregs.regs.stop = ALI_STOP;
2114 codec->chregs.regs.aint = ALI_AINT;
2115 codec->chregs.regs.ainten = ALI_AINTEN;
2116
2117 codec->chregs.data.start = 0x00;
2118 codec->chregs.data.stop = 0x00;
2119 codec->chregs.data.aint = 0x00;
2120 codec->chregs.data.ainten = 0x00;
2121
2122 /* M1533: southbridge */
2123 codec->pci_m1533 = pci_get_device(0x10b9, 0x1533, NULL);
2124 if (!codec->pci_m1533) {
2125 dev_err(card->dev, "cannot find ALi 1533 chip.\n");
2126 snd_ali_free(codec);
2127 return -ENODEV;
2128 }
2129 /* M7101: power management */
2130 codec->pci_m7101 = pci_get_device(0x10b9, 0x7101, NULL);
2131 if (!codec->pci_m7101 && codec->revision == ALI_5451_V02) {
2132 dev_err(card->dev, "cannot find ALi 7101 chip.\n");
2133 snd_ali_free(codec);
2134 return -ENODEV;
2135 }
2136
2137 dev_dbg(card->dev, "snd_device_new is called.\n");
2138 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops);
2139 if (err < 0) {
2140 snd_ali_free(codec);
2141 return err;
2142 }
2143
2144 /* initialise synth voices*/
2145 for (i = 0; i < ALI_CHANNELS; i++)
2146 codec->synth.voices[i].number = i;
2147
2148 err = snd_ali_chip_init(codec);
2149 if (err < 0) {
2150 dev_err(card->dev, "ali create: chip init error.\n");
2151 return err;
2152 }
2153
2154 #ifdef CONFIG_PM_SLEEP
2155 codec->image = kmalloc(sizeof(*codec->image), GFP_KERNEL);
2156 if (!codec->image)
2157 dev_warn(card->dev, "can't allocate apm buffer\n");
2158 #endif
2159
2160 snd_ali_enable_address_interrupt(codec);
2161 codec->hw_initialized = 1;
2162
2163 *r_ali = codec;
2164 dev_dbg(card->dev, "created.\n");
2165 return 0;
2166 }
2167
2168 static int snd_ali_probe(struct pci_dev *pci,
2169 const struct pci_device_id *pci_id)
2170 {
2171 struct snd_card *card;
2172 struct snd_ali *codec;
2173 int err;
2174
2175 dev_dbg(&pci->dev, "probe ...\n");
2176
2177 err = snd_card_new(&pci->dev, index, id, THIS_MODULE, 0, &card);
2178 if (err < 0)
2179 return err;
2180
2181 err = snd_ali_create(card, pci, pcm_channels, spdif, &codec);
2182 if (err < 0)
2183 goto error;
2184 card->private_data = codec;
2185
2186 dev_dbg(&pci->dev, "mixer building ...\n");
2187 err = snd_ali_mixer(codec);
2188 if (err < 0)
2189 goto error;
2190
2191 dev_dbg(&pci->dev, "pcm building ...\n");
2192 err = snd_ali_build_pcms(codec);
2193 if (err < 0)
2194 goto error;
2195
2196 snd_ali_proc_init(codec);
2197
2198 strcpy(card->driver, "ALI5451");
2199 strcpy(card->shortname, "ALI 5451");
2200
2201 sprintf(card->longname, "%s at 0x%lx, irq %i",
2202 card->shortname, codec->port, codec->irq);
2203
2204 dev_dbg(&pci->dev, "register card.\n");
2205 err = snd_card_register(card);
2206 if (err < 0)
2207 goto error;
2208
2209 pci_set_drvdata(pci, card);
2210 return 0;
2211
2212 error:
2213 snd_card_free(card);
2214 return err;
2215 }
2216
2217 static void snd_ali_remove(struct pci_dev *pci)
2218 {
2219 snd_card_free(pci_get_drvdata(pci));
2220 }
2221
2222 static struct pci_driver ali5451_driver = {
2223 .name = KBUILD_MODNAME,
2224 .id_table = snd_ali_ids,
2225 .probe = snd_ali_probe,
2226 .remove = snd_ali_remove,
2227 .driver = {
2228 .pm = ALI_PM_OPS,
2229 },
2230 };
2231
2232 module_pci_driver(ali5451_driver);
Linux with added FPC-III support