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Merge tag 'please-pull-misc-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6.git] / sound / pci / ali5451 / ali5451.c
blob53754f5edeb13062ddfc1cfb28e5d0e8179c1cb3
1 /*
2 * Matt Wu <Matt_Wu@acersoftech.com.cn>
3 * Apr 26, 2001
4 * Routines for control of ALi pci audio M5451
5 *
6 * BUGS:
7 * --
8 *
9 * TODO:
10 * --
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public Lcodecnse as published by
14 * the Free Software Foundation; either version 2 of the Lcodecnse, or
15 * (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public Lcodecnse for more details.
21 *
22 * You should have received a copy of the GNU General Public Lcodecnse
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 *
26 */
27
28 #include <asm/io.h>
29 #include <linux/delay.h>
30 #include <linux/interrupt.h>
31 #include <linux/init.h>
32 #include <linux/pci.h>
33 #include <linux/slab.h>
34 #include <linux/module.h>
35 #include <linux/dma-mapping.h>
36 #include <sound/core.h>
37 #include <sound/pcm.h>
38 #include <sound/info.h>
39 #include <sound/ac97_codec.h>
40 #include <sound/mpu401.h>
41 #include <sound/initval.h>
42
43 MODULE_AUTHOR("Matt Wu <Matt_Wu@acersoftech.com.cn>");
44 MODULE_DESCRIPTION("ALI M5451");
45 MODULE_LICENSE("GPL");
46 MODULE_SUPPORTED_DEVICE("{{ALI,M5451,pci},{ALI,M5451}}");
47
48 static int index = SNDRV_DEFAULT_IDX1; /* Index */
49 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */
50 static int pcm_channels = 32;
51 static bool spdif;
52
53 module_param(index, int, 0444);
54 MODULE_PARM_DESC(index, "Index value for ALI M5451 PCI Audio.");
55 module_param(id, charp, 0444);
56 MODULE_PARM_DESC(id, "ID string for ALI M5451 PCI Audio.");
57 module_param(pcm_channels, int, 0444);
58 MODULE_PARM_DESC(pcm_channels, "PCM Channels");
59 module_param(spdif, bool, 0444);
60 MODULE_PARM_DESC(spdif, "Support SPDIF I/O");
61
62 /* just for backward compatibility */
63 static bool enable;
64 module_param(enable, bool, 0444);
65
66
67 /*
68 * Debug part definitions
69 */
70
71 /* #define ALI_DEBUG */
72
73 #ifdef ALI_DEBUG
74 #define snd_ali_printk(format, args...) printk(KERN_DEBUG format, ##args);
75 #else
76 #define snd_ali_printk(format, args...)
77 #endif
78
79 /*
80 * Constants definition
81 */
82
83 #define DEVICE_ID_ALI5451 ((PCI_VENDOR_ID_AL<<16)|PCI_DEVICE_ID_AL_M5451)
84
85
86 #define ALI_CHANNELS 32
87
88 #define ALI_PCM_IN_CHANNEL 31
89 #define ALI_SPDIF_IN_CHANNEL 19
90 #define ALI_SPDIF_OUT_CHANNEL 15
91 #define ALI_CENTER_CHANNEL 24
92 #define ALI_LEF_CHANNEL 23
93 #define ALI_SURR_LEFT_CHANNEL 26
94 #define ALI_SURR_RIGHT_CHANNEL 25
95 #define ALI_MODEM_IN_CHANNEL 21
96 #define ALI_MODEM_OUT_CHANNEL 20
97
98 #define SNDRV_ALI_VOICE_TYPE_PCM 01
99 #define SNDRV_ALI_VOICE_TYPE_OTH 02
100
101 #define ALI_5451_V02 0x02
102
103 /*
104 * Direct Registers
105 */
106
107 #define ALI_LEGACY_DMAR0 0x00 /* ADR0 */
108 #define ALI_LEGACY_DMAR4 0x04 /* CNT0 */
109 #define ALI_LEGACY_DMAR11 0x0b /* MOD */
110 #define ALI_LEGACY_DMAR15 0x0f /* MMR */
111 #define ALI_MPUR0 0x20
112 #define ALI_MPUR1 0x21
113 #define ALI_MPUR2 0x22
114 #define ALI_MPUR3 0x23
115
116 #define ALI_AC97_WRITE 0x40
117 #define ALI_AC97_READ 0x44
118
119 #define ALI_SCTRL 0x48
120 #define ALI_SPDIF_OUT_ENABLE 0x20
121 #define ALI_SCTRL_LINE_IN2 (1 << 9)
122 #define ALI_SCTRL_GPIO_IN2 (1 << 13)
123 #define ALI_SCTRL_LINE_OUT_EN (1 << 20)
124 #define ALI_SCTRL_GPIO_OUT_EN (1 << 23)
125 #define ALI_SCTRL_CODEC1_READY (1 << 24)
126 #define ALI_SCTRL_CODEC2_READY (1 << 25)
127 #define ALI_AC97_GPIO 0x4c
128 #define ALI_AC97_GPIO_ENABLE 0x8000
129 #define ALI_AC97_GPIO_DATA_SHIFT 16
130 #define ALI_SPDIF_CS 0x70
131 #define ALI_SPDIF_CTRL 0x74
132 #define ALI_SPDIF_IN_FUNC_ENABLE 0x02
133 #define ALI_SPDIF_IN_CH_STATUS 0x40
134 #define ALI_SPDIF_OUT_CH_STATUS 0xbf
135 #define ALI_START 0x80
136 #define ALI_STOP 0x84
137 #define ALI_CSPF 0x90
138 #define ALI_AINT 0x98
139 #define ALI_GC_CIR 0xa0
140 #define ENDLP_IE 0x00001000
141 #define MIDLP_IE 0x00002000
142 #define ALI_AINTEN 0xa4
143 #define ALI_VOLUME 0xa8
144 #define ALI_SBDELTA_DELTA_R 0xac
145 #define ALI_MISCINT 0xb0
146 #define ADDRESS_IRQ 0x00000020
147 #define TARGET_REACHED 0x00008000
148 #define MIXER_OVERFLOW 0x00000800
149 #define MIXER_UNDERFLOW 0x00000400
150 #define GPIO_IRQ 0x01000000
151 #define ALI_SBBL_SBCL 0xc0
152 #define ALI_SBCTRL_SBE2R_SBDD 0xc4
153 #define ALI_STIMER 0xc8
154 #define ALI_GLOBAL_CONTROL 0xd4
155 #define ALI_SPDIF_OUT_SEL_PCM 0x00000400 /* bit 10 */
156 #define ALI_SPDIF_IN_SUPPORT 0x00000800 /* bit 11 */
157 #define ALI_SPDIF_OUT_CH_ENABLE 0x00008000 /* bit 15 */
158 #define ALI_SPDIF_IN_CH_ENABLE 0x00080000 /* bit 19 */
159 #define ALI_PCM_IN_ENABLE 0x80000000 /* bit 31 */
160
161 #define ALI_CSO_ALPHA_FMS 0xe0
162 #define ALI_LBA 0xe4
163 #define ALI_ESO_DELTA 0xe8
164 #define ALI_GVSEL_PAN_VOC_CTRL_EC 0xf0
165 #define ALI_EBUF1 0xf4
166 #define ALI_EBUF2 0xf8
167
168 #define ALI_REG(codec, x) ((codec)->port + x)
169
170 #define MAX_CODECS 2
171
172
173 struct snd_ali;
174 struct snd_ali_voice;
175
176 struct snd_ali_channel_control {
177 /* register data */
178 struct REGDATA {
179 unsigned int start;
180 unsigned int stop;
181 unsigned int aint;
182 unsigned int ainten;
183 } data;
184
185 /* register addresses */
186 struct REGS {
187 unsigned int start;
188 unsigned int stop;
189 unsigned int aint;
190 unsigned int ainten;
191 unsigned int ac97read;
192 unsigned int ac97write;
193 } regs;
194
195 };
196
197 struct snd_ali_voice {
198 unsigned int number;
199 unsigned int use :1,
200 pcm :1,
201 midi :1,
202 mode :1,
203 synth :1,
204 running :1;
205
206 /* PCM data */
207 struct snd_ali *codec;
208 struct snd_pcm_substream *substream;
209 struct snd_ali_voice *extra;
210
211 int eso; /* final ESO value for channel */
212 int count; /* runtime->period_size */
213
214 /* --- */
215
216 void *private_data;
217 void (*private_free)(void *private_data);
218 };
219
220
221 struct snd_alidev {
222
223 struct snd_ali_voice voices[ALI_CHANNELS];
224
225 unsigned int chcnt; /* num of opened channels */
226 unsigned int chmap; /* bitmap for opened channels */
227 unsigned int synthcount;
228
229 };
230
231
232 #define ALI_GLOBAL_REGS 56
233 #define ALI_CHANNEL_REGS 8
234 struct snd_ali_image {
235 u32 regs[ALI_GLOBAL_REGS];
236 u32 channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS];
237 };
238
239
240 struct snd_ali {
241 int irq;
242 unsigned long port;
243 unsigned char revision;
244
245 unsigned int hw_initialized :1;
246 unsigned int spdif_support :1;
247
248 struct pci_dev *pci;
249 struct pci_dev *pci_m1533;
250 struct pci_dev *pci_m7101;
251
252 struct snd_card *card;
253 struct snd_pcm *pcm[MAX_CODECS];
254 struct snd_alidev synth;
255 struct snd_ali_channel_control chregs;
256
257 /* S/PDIF Mask */
258 unsigned int spdif_mask;
259
260 unsigned int spurious_irq_count;
261 unsigned int spurious_irq_max_delta;
262
263 unsigned int num_of_codecs;
264
265 struct snd_ac97_bus *ac97_bus;
266 struct snd_ac97 *ac97[MAX_CODECS];
267 unsigned short ac97_ext_id;
268 unsigned short ac97_ext_status;
269
270 spinlock_t reg_lock;
271 spinlock_t voice_alloc;
272
273 #ifdef CONFIG_PM_SLEEP
274 struct snd_ali_image *image;
275 #endif
276 };
277
278 static DEFINE_PCI_DEVICE_TABLE(snd_ali_ids) = {
279 {PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5451), 0, 0, 0},
280 {0, }
281 };
282 MODULE_DEVICE_TABLE(pci, snd_ali_ids);
283
284 static void snd_ali_clear_voices(struct snd_ali *, unsigned int, unsigned int);
285 static unsigned short snd_ali_codec_peek(struct snd_ali *, int, unsigned short);
286 static void snd_ali_codec_poke(struct snd_ali *, int, unsigned short,
287 unsigned short);
288
289 /*
290 * AC97 ACCESS
291 */
292
293 static inline unsigned int snd_ali_5451_peek(struct snd_ali *codec,
294 unsigned int port)
295 {
296 return (unsigned int)inl(ALI_REG(codec, port));
297 }
298
299 static inline void snd_ali_5451_poke(struct snd_ali *codec,
300 unsigned int port,
301 unsigned int val)
302 {
303 outl((unsigned int)val, ALI_REG(codec, port));
304 }
305
306 static int snd_ali_codec_ready(struct snd_ali *codec,
307 unsigned int port)
308 {
309 unsigned long end_time;
310 unsigned int res;
311
312 end_time = jiffies + msecs_to_jiffies(250);
313
314 for (;;) {
315 res = snd_ali_5451_peek(codec,port);
316 if (!(res & 0x8000))
317 return 0;
318 if (!time_after_eq(end_time, jiffies))
319 break;
320 schedule_timeout_uninterruptible(1);
321 }
322
323 snd_ali_5451_poke(codec, port, res & ~0x8000);
324 snd_printdd("ali_codec_ready: codec is not ready.\n ");
325 return -EIO;
326 }
327
328 static int snd_ali_stimer_ready(struct snd_ali *codec)
329 {
330 unsigned long end_time;
331 unsigned long dwChk1,dwChk2;
332
333 dwChk1 = snd_ali_5451_peek(codec, ALI_STIMER);
334 end_time = jiffies + msecs_to_jiffies(250);
335
336 for (;;) {
337 dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER);
338 if (dwChk2 != dwChk1)
339 return 0;
340 if (!time_after_eq(end_time, jiffies))
341 break;
342 schedule_timeout_uninterruptible(1);
343 }
344
345 snd_printk(KERN_ERR "ali_stimer_read: stimer is not ready.\n");
346 return -EIO;
347 }
348
349 static void snd_ali_codec_poke(struct snd_ali *codec,int secondary,
350 unsigned short reg,
351 unsigned short val)
352 {
353 unsigned int dwVal;
354 unsigned int port;
355
356 if (reg >= 0x80) {
357 snd_printk(KERN_ERR "ali_codec_poke: reg(%xh) invalid.\n", reg);
358 return;
359 }
360
361 port = codec->chregs.regs.ac97write;
362
363 if (snd_ali_codec_ready(codec, port) < 0)
364 return;
365 if (snd_ali_stimer_ready(codec) < 0)
366 return;
367
368 dwVal = (unsigned int) (reg & 0xff);
369 dwVal |= 0x8000 | (val << 16);
370 if (secondary)
371 dwVal |= 0x0080;
372 if (codec->revision == ALI_5451_V02)
373 dwVal |= 0x0100;
374
375 snd_ali_5451_poke(codec, port, dwVal);
376
377 return ;
378 }
379
380 static unsigned short snd_ali_codec_peek(struct snd_ali *codec,
381 int secondary,
382 unsigned short reg)
383 {
384 unsigned int dwVal;
385 unsigned int port;
386
387 if (reg >= 0x80) {
388 snd_printk(KERN_ERR "ali_codec_peek: reg(%xh) invalid.\n", reg);
389 return ~0;
390 }
391
392 port = codec->chregs.regs.ac97read;
393
394 if (snd_ali_codec_ready(codec, port) < 0)
395 return ~0;
396 if (snd_ali_stimer_ready(codec) < 0)
397 return ~0;
398
399 dwVal = (unsigned int) (reg & 0xff);
400 dwVal |= 0x8000; /* bit 15*/
401 if (secondary)
402 dwVal |= 0x0080;
403
404 snd_ali_5451_poke(codec, port, dwVal);
405
406 if (snd_ali_stimer_ready(codec) < 0)
407 return ~0;
408 if (snd_ali_codec_ready(codec, port) < 0)
409 return ~0;
410
411 return (snd_ali_5451_peek(codec, port) & 0xffff0000) >> 16;
412 }
413
414 static void snd_ali_codec_write(struct snd_ac97 *ac97,
415 unsigned short reg,
416 unsigned short val )
417 {
418 struct snd_ali *codec = ac97->private_data;
419
420 snd_ali_printk("codec_write: reg=%xh data=%xh.\n", reg, val);
421 if (reg == AC97_GPIO_STATUS) {
422 outl((val << ALI_AC97_GPIO_DATA_SHIFT) | ALI_AC97_GPIO_ENABLE,
423 ALI_REG(codec, ALI_AC97_GPIO));
424 return;
425 }
426 snd_ali_codec_poke(codec, ac97->num, reg, val);
427 return ;
428 }
429
430
431 static unsigned short snd_ali_codec_read(struct snd_ac97 *ac97,
432 unsigned short reg)
433 {
434 struct snd_ali *codec = ac97->private_data;
435
436 snd_ali_printk("codec_read reg=%xh.\n", reg);
437 return snd_ali_codec_peek(codec, ac97->num, reg);
438 }
439
440 /*
441 * AC97 Reset
442 */
443
444 static int snd_ali_reset_5451(struct snd_ali *codec)
445 {
446 struct pci_dev *pci_dev;
447 unsigned short wCount, wReg;
448 unsigned int dwVal;
449
450 pci_dev = codec->pci_m1533;
451 if (pci_dev) {
452 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
453 pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000);
454 mdelay(5);
455 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
456 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff);
457 mdelay(5);
458 }
459
460 pci_dev = codec->pci;
461 pci_read_config_dword(pci_dev, 0x44, &dwVal);
462 pci_write_config_dword(pci_dev, 0x44, dwVal | 0x000c0000);
463 udelay(500);
464 pci_read_config_dword(pci_dev, 0x44, &dwVal);
465 pci_write_config_dword(pci_dev, 0x44, dwVal & 0xfffbffff);
466 mdelay(5);
467
468 wCount = 200;
469 while(wCount--) {
470 wReg = snd_ali_codec_peek(codec, 0, AC97_POWERDOWN);
471 if ((wReg & 0x000f) == 0x000f)
472 return 0;
473 mdelay(5);
474 }
475
476 /* non-fatal if you have a non PM capable codec */
477 /* snd_printk(KERN_WARNING "ali5451: reset time out\n"); */
478 return 0;
479 }
480
481 /*
482 * ALI 5451 Controller
483 */
484
485 static void snd_ali_enable_special_channel(struct snd_ali *codec,
486 unsigned int channel)
487 {
488 unsigned long dwVal;
489
490 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
491 dwVal |= 1 << (channel & 0x0000001f);
492 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
493 }
494
495 static void snd_ali_disable_special_channel(struct snd_ali *codec,
496 unsigned int channel)
497 {
498 unsigned long dwVal;
499
500 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
501 dwVal &= ~(1 << (channel & 0x0000001f));
502 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
503 }
504
505 static void snd_ali_enable_address_interrupt(struct snd_ali *codec)
506 {
507 unsigned int gc;
508
509 gc = inl(ALI_REG(codec, ALI_GC_CIR));
510 gc |= ENDLP_IE;
511 gc |= MIDLP_IE;
512 outl( gc, ALI_REG(codec, ALI_GC_CIR));
513 }
514
515 static void snd_ali_disable_address_interrupt(struct snd_ali *codec)
516 {
517 unsigned int gc;
518
519 gc = inl(ALI_REG(codec, ALI_GC_CIR));
520 gc &= ~ENDLP_IE;
521 gc &= ~MIDLP_IE;
522 outl(gc, ALI_REG(codec, ALI_GC_CIR));
523 }
524
525 static void snd_ali_disable_voice_irq(struct snd_ali *codec,
526 unsigned int channel)
527 {
528 unsigned int mask;
529 struct snd_ali_channel_control *pchregs = &(codec->chregs);
530
531 snd_ali_printk("disable_voice_irq channel=%d\n",channel);
532
533 mask = 1 << (channel & 0x1f);
534 pchregs->data.ainten = inl(ALI_REG(codec, pchregs->regs.ainten));
535 pchregs->data.ainten &= ~mask;
536 outl(pchregs->data.ainten, ALI_REG(codec, pchregs->regs.ainten));
537 }
538
539 static int snd_ali_alloc_pcm_channel(struct snd_ali *codec, int channel)
540 {
541 unsigned int idx = channel & 0x1f;
542
543 if (codec->synth.chcnt >= ALI_CHANNELS){
544 snd_printk(KERN_ERR
545 "ali_alloc_pcm_channel: no free channels.\n");
546 return -1;
547 }
548
549 if (!(codec->synth.chmap & (1 << idx))) {
550 codec->synth.chmap |= 1 << idx;
551 codec->synth.chcnt++;
552 snd_ali_printk("alloc_pcm_channel no. %d.\n",idx);
553 return idx;
554 }
555 return -1;
556 }
557
558 static int snd_ali_find_free_channel(struct snd_ali * codec, int rec)
559 {
560 int idx;
561 int result = -1;
562
563 snd_ali_printk("find_free_channel: for %s\n",rec ? "rec" : "pcm");
564
565 /* recording */
566 if (rec) {
567 if (codec->spdif_support &&
568 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
569 ALI_SPDIF_IN_SUPPORT))
570 idx = ALI_SPDIF_IN_CHANNEL;
571 else
572 idx = ALI_PCM_IN_CHANNEL;
573
574 result = snd_ali_alloc_pcm_channel(codec, idx);
575 if (result >= 0)
576 return result;
577 else {
578 snd_printk(KERN_ERR "ali_find_free_channel: "
579 "record channel is busy now.\n");
580 return -1;
581 }
582 }
583
584 /* playback... */
585 if (codec->spdif_support &&
586 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
587 ALI_SPDIF_OUT_CH_ENABLE)) {
588 idx = ALI_SPDIF_OUT_CHANNEL;
589 result = snd_ali_alloc_pcm_channel(codec, idx);
590 if (result >= 0)
591 return result;
592 else
593 snd_printk(KERN_ERR "ali_find_free_channel: "
594 "S/PDIF out channel is in busy now.\n");
595 }
596
597 for (idx = 0; idx < ALI_CHANNELS; idx++) {
598 result = snd_ali_alloc_pcm_channel(codec, idx);
599 if (result >= 0)
600 return result;
601 }
602 snd_printk(KERN_ERR "ali_find_free_channel: no free channels.\n");
603 return -1;
604 }
605
606 static void snd_ali_free_channel_pcm(struct snd_ali *codec, int channel)
607 {
608 unsigned int idx = channel & 0x0000001f;
609
610 snd_ali_printk("free_channel_pcm channel=%d\n",channel);
611
612 if (channel < 0 || channel >= ALI_CHANNELS)
613 return;
614
615 if (!(codec->synth.chmap & (1 << idx))) {
616 snd_printk(KERN_ERR "ali_free_channel_pcm: "
617 "channel %d is not in use.\n", channel);
618 return;
619 } else {
620 codec->synth.chmap &= ~(1 << idx);
621 codec->synth.chcnt--;
622 }
623 }
624
625 static void snd_ali_stop_voice(struct snd_ali *codec, unsigned int channel)
626 {
627 unsigned int mask = 1 << (channel & 0x1f);
628
629 snd_ali_printk("stop_voice: channel=%d\n",channel);
630 outl(mask, ALI_REG(codec, codec->chregs.regs.stop));
631 }
632
633 /*
634 * S/PDIF Part
635 */
636
637 static void snd_ali_delay(struct snd_ali *codec,int interval)
638 {
639 unsigned long begintimer,currenttimer;
640
641 begintimer = inl(ALI_REG(codec, ALI_STIMER));
642 currenttimer = inl(ALI_REG(codec, ALI_STIMER));
643
644 while (currenttimer < begintimer + interval) {
645 if (snd_ali_stimer_ready(codec) < 0)
646 break;
647 currenttimer = inl(ALI_REG(codec, ALI_STIMER));
648 cpu_relax();
649 }
650 }
651
652 static void snd_ali_detect_spdif_rate(struct snd_ali *codec)
653 {
654 u16 wval;
655 u16 count = 0;
656 u8 bval, R1 = 0, R2;
657
658 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1));
659 bval |= 0x1F;
660 outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL + 1));
661
662 while ((R1 < 0x0b || R1 > 0x0e) && R1 != 0x12 && count <= 50000) {
663 count ++;
664 snd_ali_delay(codec, 6);
665 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1));
666 R1 = bval & 0x1F;
667 }
668
669 if (count > 50000) {
670 snd_printk(KERN_ERR "ali_detect_spdif_rate: timeout!\n");
671 return;
672 }
673
674 for (count = 0; count <= 50000; count++) {
675 snd_ali_delay(codec, 6);
676 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1));
677 R2 = bval & 0x1F;
678 if (R2 != R1)
679 R1 = R2;
680 else
681 break;
682 }
683
684 if (count > 50000) {
685 snd_printk(KERN_ERR "ali_detect_spdif_rate: timeout!\n");
686 return;
687 }
688
689 if (R2 >= 0x0b && R2 <= 0x0e) {
690 wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2));
691 wval &= 0xe0f0;
692 wval |= (0x09 << 8) | 0x05;
693 outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2));
694
695 bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3)) & 0xf0;
696 outb(bval | 0x02, ALI_REG(codec, ALI_SPDIF_CS + 3));
697 } else if (R2 == 0x12) {
698 wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2));
699 wval &= 0xe0f0;
700 wval |= (0x0e << 8) | 0x08;
701 outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2));
702
703 bval = inb(ALI_REG(codec,ALI_SPDIF_CS + 3)) & 0xf0;
704 outb(bval | 0x03, ALI_REG(codec, ALI_SPDIF_CS + 3));
705 }
706 }
707
708 static unsigned int snd_ali_get_spdif_in_rate(struct snd_ali *codec)
709 {
710 u32 dwRate;
711 u8 bval;
712
713 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
714 bval &= 0x7f;
715 bval |= 0x40;
716 outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL));
717
718 snd_ali_detect_spdif_rate(codec);
719
720 bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3));
721 bval &= 0x0f;
722
723 switch (bval) {
724 case 0: dwRate = 44100; break;
725 case 1: dwRate = 48000; break;
726 case 2: dwRate = 32000; break;
727 default: dwRate = 0; break;
728 }
729
730 return dwRate;
731 }
732
733 static void snd_ali_enable_spdif_in(struct snd_ali *codec)
734 {
735 unsigned int dwVal;
736
737 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
738 dwVal |= ALI_SPDIF_IN_SUPPORT;
739 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
740
741 dwVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
742 dwVal |= 0x02;
743 outb(dwVal, ALI_REG(codec, ALI_SPDIF_CTRL));
744
745 snd_ali_enable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
746 }
747
748 static void snd_ali_disable_spdif_in(struct snd_ali *codec)
749 {
750 unsigned int dwVal;
751
752 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
753 dwVal &= ~ALI_SPDIF_IN_SUPPORT;
754 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
755
756 snd_ali_disable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
757 }
758
759
760 static void snd_ali_set_spdif_out_rate(struct snd_ali *codec, unsigned int rate)
761 {
762 unsigned char bVal;
763 unsigned int dwRate;
764
765 switch (rate) {
766 case 32000: dwRate = 0x300; break;
767 case 48000: dwRate = 0x200; break;
768 default: dwRate = 0; break;
769 }
770
771 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
772 bVal &= (unsigned char)(~(1<<6));
773
774 bVal |= 0x80; /* select right */
775 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
776 outb(dwRate | 0x20, ALI_REG(codec, ALI_SPDIF_CS + 2));
777
778 bVal &= ~0x80; /* select left */
779 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
780 outw(rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2));
781 }
782
783 static void snd_ali_enable_spdif_out(struct snd_ali *codec)
784 {
785 unsigned short wVal;
786 unsigned char bVal;
787 struct pci_dev *pci_dev;
788
789 pci_dev = codec->pci_m1533;
790 if (pci_dev == NULL)
791 return;
792 pci_read_config_byte(pci_dev, 0x61, &bVal);
793 bVal |= 0x40;
794 pci_write_config_byte(pci_dev, 0x61, bVal);
795 pci_read_config_byte(pci_dev, 0x7d, &bVal);
796 bVal |= 0x01;
797 pci_write_config_byte(pci_dev, 0x7d, bVal);
798
799 pci_read_config_byte(pci_dev, 0x7e, &bVal);
800 bVal &= (~0x20);
801 bVal |= 0x10;
802 pci_write_config_byte(pci_dev, 0x7e, bVal);
803
804 bVal = inb(ALI_REG(codec, ALI_SCTRL));
805 outb(bVal | ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
806
807 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
808 outb(bVal & ALI_SPDIF_OUT_CH_STATUS, ALI_REG(codec, ALI_SPDIF_CTRL));
809
810 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
811 wVal |= ALI_SPDIF_OUT_SEL_PCM;
812 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
813 snd_ali_disable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
814 }
815
816 static void snd_ali_enable_spdif_chnout(struct snd_ali *codec)
817 {
818 unsigned short wVal;
819
820 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
821 wVal &= ~ALI_SPDIF_OUT_SEL_PCM;
822 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
823 /*
824 wVal = inw(ALI_REG(codec, ALI_SPDIF_CS));
825 if (flag & ALI_SPDIF_OUT_NON_PCM)
826 wVal |= 0x0002;
827 else
828 wVal &= (~0x0002);
829 outw(wVal, ALI_REG(codec, ALI_SPDIF_CS));
830 */
831 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
832 }
833
834 static void snd_ali_disable_spdif_chnout(struct snd_ali *codec)
835 {
836 unsigned short wVal;
837
838 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
839 wVal |= ALI_SPDIF_OUT_SEL_PCM;
840 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
841
842 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
843 }
844
845 static void snd_ali_disable_spdif_out(struct snd_ali *codec)
846 {
847 unsigned char bVal;
848
849 bVal = inb(ALI_REG(codec, ALI_SCTRL));
850 outb(bVal & ~ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
851
852 snd_ali_disable_spdif_chnout(codec);
853 }
854
855 static void snd_ali_update_ptr(struct snd_ali *codec, int channel)
856 {
857 struct snd_ali_voice *pvoice;
858 struct snd_pcm_runtime *runtime;
859 struct snd_ali_channel_control *pchregs;
860 unsigned int old, mask;
861 #ifdef ALI_DEBUG
862 unsigned int temp, cspf;
863 #endif
864
865 pchregs = &(codec->chregs);
866
867 /* check if interrupt occurred for channel */
868 old = pchregs->data.aint;
869 mask = 1U << (channel & 0x1f);
870
871 if (!(old & mask))
872 return;
873
874 pvoice = &codec->synth.voices[channel];
875 runtime = pvoice->substream->runtime;
876
877 udelay(100);
878 spin_lock(&codec->reg_lock);
879
880 if (pvoice->pcm && pvoice->substream) {
881 /* pcm interrupt */
882 #ifdef ALI_DEBUG
883 outb((u8)(pvoice->number), ALI_REG(codec, ALI_GC_CIR));
884 temp = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
885 cspf = (inl(ALI_REG(codec, ALI_CSPF)) & mask) == mask;
886 #endif
887 if (pvoice->running) {
888 snd_ali_printk("update_ptr: cso=%4.4x cspf=%d.\n",
889 (u16)temp, cspf);
890 spin_unlock(&codec->reg_lock);
891 snd_pcm_period_elapsed(pvoice->substream);
892 spin_lock(&codec->reg_lock);
893 } else {
894 snd_ali_stop_voice(codec, channel);
895 snd_ali_disable_voice_irq(codec, channel);
896 }
897 } else if (codec->synth.voices[channel].synth) {
898 /* synth interrupt */
899 } else if (codec->synth.voices[channel].midi) {
900 /* midi interrupt */
901 } else {
902 /* unknown interrupt */
903 snd_ali_stop_voice(codec, channel);
904 snd_ali_disable_voice_irq(codec, channel);
905 }
906 spin_unlock(&codec->reg_lock);
907 outl(mask,ALI_REG(codec,pchregs->regs.aint));
908 pchregs->data.aint = old & (~mask);
909 }
910
911 static irqreturn_t snd_ali_card_interrupt(int irq, void *dev_id)
912 {
913 struct snd_ali *codec = dev_id;
914 int channel;
915 unsigned int audio_int;
916 struct snd_ali_channel_control *pchregs;
917
918 if (codec == NULL || !codec->hw_initialized)
919 return IRQ_NONE;
920
921 audio_int = inl(ALI_REG(codec, ALI_MISCINT));
922 if (!audio_int)
923 return IRQ_NONE;
924
925 pchregs = &(codec->chregs);
926 if (audio_int & ADDRESS_IRQ) {
927 /* get interrupt status for all channels */
928 pchregs->data.aint = inl(ALI_REG(codec, pchregs->regs.aint));
929 for (channel = 0; channel < ALI_CHANNELS; channel++)
930 snd_ali_update_ptr(codec, channel);
931 }
932 outl((TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW),
933 ALI_REG(codec, ALI_MISCINT));
934
935 return IRQ_HANDLED;
936 }
937
938
939 static struct snd_ali_voice *snd_ali_alloc_voice(struct snd_ali * codec,
940 int type, int rec, int channel)
941 {
942 struct snd_ali_voice *pvoice;
943 int idx;
944
945 snd_ali_printk("alloc_voice: type=%d rec=%d\n", type, rec);
946
947 spin_lock_irq(&codec->voice_alloc);
948 if (type == SNDRV_ALI_VOICE_TYPE_PCM) {
949 idx = channel > 0 ? snd_ali_alloc_pcm_channel(codec, channel) :
950 snd_ali_find_free_channel(codec,rec);
951 if (idx < 0) {
952 snd_printk(KERN_ERR "ali_alloc_voice: err.\n");
953 spin_unlock_irq(&codec->voice_alloc);
954 return NULL;
955 }
956 pvoice = &(codec->synth.voices[idx]);
957 pvoice->codec = codec;
958 pvoice->use = 1;
959 pvoice->pcm = 1;
960 pvoice->mode = rec;
961 spin_unlock_irq(&codec->voice_alloc);
962 return pvoice;
963 }
964 spin_unlock_irq(&codec->voice_alloc);
965 return NULL;
966 }
967
968
969 static void snd_ali_free_voice(struct snd_ali * codec,
970 struct snd_ali_voice *pvoice)
971 {
972 void (*private_free)(void *);
973 void *private_data;
974
975 snd_ali_printk("free_voice: channel=%d\n",pvoice->number);
976 if (!pvoice->use)
977 return;
978 snd_ali_clear_voices(codec, pvoice->number, pvoice->number);
979 spin_lock_irq(&codec->voice_alloc);
980 private_free = pvoice->private_free;
981 private_data = pvoice->private_data;
982 pvoice->private_free = NULL;
983 pvoice->private_data = NULL;
984 if (pvoice->pcm)
985 snd_ali_free_channel_pcm(codec, pvoice->number);
986 pvoice->use = pvoice->pcm = pvoice->synth = 0;
987 pvoice->substream = NULL;
988 spin_unlock_irq(&codec->voice_alloc);
989 if (private_free)
990 private_free(private_data);
991 }
992
993
994 static void snd_ali_clear_voices(struct snd_ali *codec,
995 unsigned int v_min,
996 unsigned int v_max)
997 {
998 unsigned int i;
999
1000 for (i = v_min; i <= v_max; i++) {
1001 snd_ali_stop_voice(codec, i);
1002 snd_ali_disable_voice_irq(codec, i);
1003 }
1004 }
1005
1006 static void snd_ali_write_voice_regs(struct snd_ali *codec,
1007 unsigned int Channel,
1008 unsigned int LBA,
1009 unsigned int CSO,
1010 unsigned int ESO,
1011 unsigned int DELTA,
1012 unsigned int ALPHA_FMS,
1013 unsigned int GVSEL,
1014 unsigned int PAN,
1015 unsigned int VOL,
1016 unsigned int CTRL,
1017 unsigned int EC)
1018 {
1019 unsigned int ctlcmds[4];
1020
1021 outb((unsigned char)(Channel & 0x001f), ALI_REG(codec, ALI_GC_CIR));
1022
1023 ctlcmds[0] = (CSO << 16) | (ALPHA_FMS & 0x0000ffff);
1024 ctlcmds[1] = LBA;
1025 ctlcmds[2] = (ESO << 16) | (DELTA & 0x0ffff);
1026 ctlcmds[3] = (GVSEL << 31) |
1027 ((PAN & 0x0000007f) << 24) |
1028 ((VOL & 0x000000ff) << 16) |
1029 ((CTRL & 0x0000000f) << 12) |
1030 (EC & 0x00000fff);
1031
1032 outb(Channel, ALI_REG(codec, ALI_GC_CIR));
1033
1034 outl(ctlcmds[0], ALI_REG(codec, ALI_CSO_ALPHA_FMS));
1035 outl(ctlcmds[1], ALI_REG(codec, ALI_LBA));
1036 outl(ctlcmds[2], ALI_REG(codec, ALI_ESO_DELTA));
1037 outl(ctlcmds[3], ALI_REG(codec, ALI_GVSEL_PAN_VOC_CTRL_EC));
1038
1039 outl(0x30000000, ALI_REG(codec, ALI_EBUF1)); /* Still Mode */
1040 outl(0x30000000, ALI_REG(codec, ALI_EBUF2)); /* Still Mode */
1041 }
1042
1043 static unsigned int snd_ali_convert_rate(unsigned int rate, int rec)
1044 {
1045 unsigned int delta;
1046
1047 if (rate < 4000)
1048 rate = 4000;
1049 if (rate > 48000)
1050 rate = 48000;
1051
1052 if (rec) {
1053 if (rate == 44100)
1054 delta = 0x116a;
1055 else if (rate == 8000)
1056 delta = 0x6000;
1057 else if (rate == 48000)
1058 delta = 0x1000;
1059 else
1060 delta = ((48000 << 12) / rate) & 0x0000ffff;
1061 } else {
1062 if (rate == 44100)
1063 delta = 0xeb3;
1064 else if (rate == 8000)
1065 delta = 0x2ab;
1066 else if (rate == 48000)
1067 delta = 0x1000;
1068 else
1069 delta = (((rate << 12) + rate) / 48000) & 0x0000ffff;
1070 }
1071
1072 return delta;
1073 }
1074
1075 static unsigned int snd_ali_control_mode(struct snd_pcm_substream *substream)
1076 {
1077 unsigned int CTRL;
1078 struct snd_pcm_runtime *runtime = substream->runtime;
1079
1080 /* set ctrl mode
1081 CTRL default: 8-bit (unsigned) mono, loop mode enabled
1082 */
1083 CTRL = 0x00000001;
1084 if (snd_pcm_format_width(runtime->format) == 16)
1085 CTRL |= 0x00000008; /* 16-bit data */
1086 if (!snd_pcm_format_unsigned(runtime->format))
1087 CTRL |= 0x00000002; /* signed data */
1088 if (runtime->channels > 1)
1089 CTRL |= 0x00000004; /* stereo data */
1090 return CTRL;
1091 }
1092
1093 /*
1094 * PCM part
1095 */
1096
1097 static int snd_ali_trigger(struct snd_pcm_substream *substream,
1098 int cmd)
1099
1100 {
1101 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1102 struct snd_pcm_substream *s;
1103 unsigned int what, whati, capture_flag;
1104 struct snd_ali_voice *pvoice, *evoice;
1105 unsigned int val;
1106 int do_start;
1107
1108 switch (cmd) {
1109 case SNDRV_PCM_TRIGGER_START:
1110 case SNDRV_PCM_TRIGGER_RESUME:
1111 do_start = 1;
1112 break;
1113 case SNDRV_PCM_TRIGGER_STOP:
1114 case SNDRV_PCM_TRIGGER_SUSPEND:
1115 do_start = 0;
1116 break;
1117 default:
1118 return -EINVAL;
1119 }
1120
1121 what = whati = capture_flag = 0;
1122 snd_pcm_group_for_each_entry(s, substream) {
1123 if ((struct snd_ali *) snd_pcm_substream_chip(s) == codec) {
1124 pvoice = s->runtime->private_data;
1125 evoice = pvoice->extra;
1126 what |= 1 << (pvoice->number & 0x1f);
1127 if (evoice == NULL)
1128 whati |= 1 << (pvoice->number & 0x1f);
1129 else {
1130 whati |= 1 << (evoice->number & 0x1f);
1131 what |= 1 << (evoice->number & 0x1f);
1132 }
1133 if (do_start) {
1134 pvoice->running = 1;
1135 if (evoice != NULL)
1136 evoice->running = 1;
1137 } else {
1138 pvoice->running = 0;
1139 if (evoice != NULL)
1140 evoice->running = 0;
1141 }
1142 snd_pcm_trigger_done(s, substream);
1143 if (pvoice->mode)
1144 capture_flag = 1;
1145 }
1146 }
1147 spin_lock(&codec->reg_lock);
1148 if (!do_start)
1149 outl(what, ALI_REG(codec, ALI_STOP));
1150 val = inl(ALI_REG(codec, ALI_AINTEN));
1151 if (do_start)
1152 val |= whati;
1153 else
1154 val &= ~whati;
1155 outl(val, ALI_REG(codec, ALI_AINTEN));
1156 if (do_start)
1157 outl(what, ALI_REG(codec, ALI_START));
1158 snd_ali_printk("trigger: what=%xh whati=%xh\n", what, whati);
1159 spin_unlock(&codec->reg_lock);
1160
1161 return 0;
1162 }
1163
1164 static int snd_ali_playback_hw_params(struct snd_pcm_substream *substream,
1165 struct snd_pcm_hw_params *hw_params)
1166 {
1167 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1168 struct snd_pcm_runtime *runtime = substream->runtime;
1169 struct snd_ali_voice *pvoice = runtime->private_data;
1170 struct snd_ali_voice *evoice = pvoice->extra;
1171 int err;
1172
1173 err = snd_pcm_lib_malloc_pages(substream,
1174 params_buffer_bytes(hw_params));
1175 if (err < 0)
1176 return err;
1177
1178 /* voice management */
1179
1180 if (params_buffer_size(hw_params) / 2 !=
1181 params_period_size(hw_params)) {
1182 if (!evoice) {
1183 evoice = snd_ali_alloc_voice(codec,
1184 SNDRV_ALI_VOICE_TYPE_PCM,
1185 0, -1);
1186 if (!evoice)
1187 return -ENOMEM;
1188 pvoice->extra = evoice;
1189 evoice->substream = substream;
1190 }
1191 } else {
1192 if (evoice) {
1193 snd_ali_free_voice(codec, evoice);
1194 pvoice->extra = evoice = NULL;
1195 }
1196 }
1197
1198 return 0;
1199 }
1200
1201 static int snd_ali_playback_hw_free(struct snd_pcm_substream *substream)
1202 {
1203 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1204 struct snd_pcm_runtime *runtime = substream->runtime;
1205 struct snd_ali_voice *pvoice = runtime->private_data;
1206 struct snd_ali_voice *evoice = pvoice ? pvoice->extra : NULL;
1207
1208 snd_pcm_lib_free_pages(substream);
1209 if (evoice) {
1210 snd_ali_free_voice(codec, evoice);
1211 pvoice->extra = NULL;
1212 }
1213 return 0;
1214 }
1215
1216 static int snd_ali_hw_params(struct snd_pcm_substream *substream,
1217 struct snd_pcm_hw_params *hw_params)
1218 {
1219 return snd_pcm_lib_malloc_pages(substream,
1220 params_buffer_bytes(hw_params));
1221 }
1222
1223 static int snd_ali_hw_free(struct snd_pcm_substream *substream)
1224 {
1225 return snd_pcm_lib_free_pages(substream);
1226 }
1227
1228 static int snd_ali_playback_prepare(struct snd_pcm_substream *substream)
1229 {
1230 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1231 struct snd_pcm_runtime *runtime = substream->runtime;
1232 struct snd_ali_voice *pvoice = runtime->private_data;
1233 struct snd_ali_voice *evoice = pvoice->extra;
1234
1235 unsigned int LBA;
1236 unsigned int Delta;
1237 unsigned int ESO;
1238 unsigned int CTRL;
1239 unsigned int GVSEL;
1240 unsigned int PAN;
1241 unsigned int VOL;
1242 unsigned int EC;
1243
1244 snd_ali_printk("playback_prepare ...\n");
1245
1246 spin_lock_irq(&codec->reg_lock);
1247
1248 /* set Delta (rate) value */
1249 Delta = snd_ali_convert_rate(runtime->rate, 0);
1250
1251 if (pvoice->number == ALI_SPDIF_IN_CHANNEL ||
1252 pvoice->number == ALI_PCM_IN_CHANNEL)
1253 snd_ali_disable_special_channel(codec, pvoice->number);
1254 else if (codec->spdif_support &&
1255 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
1256 ALI_SPDIF_OUT_CH_ENABLE)
1257 && pvoice->number == ALI_SPDIF_OUT_CHANNEL) {
1258 snd_ali_set_spdif_out_rate(codec, runtime->rate);
1259 Delta = 0x1000;
1260 }
1261
1262 /* set Loop Back Address */
1263 LBA = runtime->dma_addr;
1264
1265 /* set interrupt count size */
1266 pvoice->count = runtime->period_size;
1267
1268 /* set target ESO for channel */
1269 pvoice->eso = runtime->buffer_size;
1270
1271 snd_ali_printk("playback_prepare: eso=%xh count=%xh\n",
1272 pvoice->eso, pvoice->count);
1273
1274 /* set ESO to capture first MIDLP interrupt */
1275 ESO = pvoice->eso -1;
1276 /* set ctrl mode */
1277 CTRL = snd_ali_control_mode(substream);
1278
1279 GVSEL = 1;
1280 PAN = 0;
1281 VOL = 0;
1282 EC = 0;
1283 snd_ali_printk("playback_prepare:\n");
1284 snd_ali_printk("ch=%d, Rate=%d Delta=%xh,GVSEL=%xh,PAN=%xh,CTRL=%xh\n",
1285 pvoice->number,runtime->rate,Delta,GVSEL,PAN,CTRL);
1286 snd_ali_write_voice_regs(codec,
1287 pvoice->number,
1288 LBA,
1289 0, /* cso */
1290 ESO,
1291 Delta,
1292 0, /* alpha */
1293 GVSEL,
1294 PAN,
1295 VOL,
1296 CTRL,
1297 EC);
1298 if (evoice) {
1299 evoice->count = pvoice->count;
1300 evoice->eso = pvoice->count << 1;
1301 ESO = evoice->eso - 1;
1302 snd_ali_write_voice_regs(codec,
1303 evoice->number,
1304 LBA,
1305 0, /* cso */
1306 ESO,
1307 Delta,
1308 0, /* alpha */
1309 GVSEL,
1310 0x7f,
1311 0x3ff,
1312 CTRL,
1313 EC);
1314 }
1315 spin_unlock_irq(&codec->reg_lock);
1316 return 0;
1317 }
1318
1319
1320 static int snd_ali_prepare(struct snd_pcm_substream *substream)
1321 {
1322 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1323 struct snd_pcm_runtime *runtime = substream->runtime;
1324 struct snd_ali_voice *pvoice = runtime->private_data;
1325 unsigned int LBA;
1326 unsigned int Delta;
1327 unsigned int ESO;
1328 unsigned int CTRL;
1329 unsigned int GVSEL;
1330 unsigned int PAN;
1331 unsigned int VOL;
1332 unsigned int EC;
1333 u8 bValue;
1334
1335 spin_lock_irq(&codec->reg_lock);
1336
1337 snd_ali_printk("ali_prepare...\n");
1338
1339 snd_ali_enable_special_channel(codec,pvoice->number);
1340
1341 Delta = (pvoice->number == ALI_MODEM_IN_CHANNEL ||
1342 pvoice->number == ALI_MODEM_OUT_CHANNEL) ?
1343 0x1000 : snd_ali_convert_rate(runtime->rate, pvoice->mode);
1344
1345 /* Prepare capture intr channel */
1346 if (pvoice->number == ALI_SPDIF_IN_CHANNEL) {
1347
1348 unsigned int rate;
1349
1350 spin_unlock_irq(&codec->reg_lock);
1351 if (codec->revision != ALI_5451_V02)
1352 return -1;
1353
1354 rate = snd_ali_get_spdif_in_rate(codec);
1355 if (rate == 0) {
1356 snd_printk(KERN_WARNING "ali_capture_preapre: "
1357 "spdif rate detect err!\n");
1358 rate = 48000;
1359 }
1360 spin_lock_irq(&codec->reg_lock);
1361 bValue = inb(ALI_REG(codec,ALI_SPDIF_CTRL));
1362 if (bValue & 0x10) {
1363 outb(bValue,ALI_REG(codec,ALI_SPDIF_CTRL));
1364 printk(KERN_WARNING "clear SPDIF parity error flag.\n");
1365 }
1366
1367 if (rate != 48000)
1368 Delta = ((rate << 12) / runtime->rate) & 0x00ffff;
1369 }
1370
1371 /* set target ESO for channel */
1372 pvoice->eso = runtime->buffer_size;
1373
1374 /* set interrupt count size */
1375 pvoice->count = runtime->period_size;
1376
1377 /* set Loop Back Address */
1378 LBA = runtime->dma_addr;
1379
1380 /* set ESO to capture first MIDLP interrupt */
1381 ESO = pvoice->eso - 1;
1382 CTRL = snd_ali_control_mode(substream);
1383 GVSEL = 0;
1384 PAN = 0x00;
1385 VOL = 0x00;
1386 EC = 0;
1387
1388 snd_ali_write_voice_regs( codec,
1389 pvoice->number,
1390 LBA,
1391 0, /* cso */
1392 ESO,
1393 Delta,
1394 0, /* alpha */
1395 GVSEL,
1396 PAN,
1397 VOL,
1398 CTRL,
1399 EC);
1400
1401 spin_unlock_irq(&codec->reg_lock);
1402
1403 return 0;
1404 }
1405
1406
1407 static snd_pcm_uframes_t
1408 snd_ali_playback_pointer(struct snd_pcm_substream *substream)
1409 {
1410 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1411 struct snd_pcm_runtime *runtime = substream->runtime;
1412 struct snd_ali_voice *pvoice = runtime->private_data;
1413 unsigned int cso;
1414
1415 spin_lock(&codec->reg_lock);
1416 if (!pvoice->running) {
1417 spin_unlock(&codec->reg_lock);
1418 return 0;
1419 }
1420 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1421 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1422 spin_unlock(&codec->reg_lock);
1423 snd_ali_printk("playback pointer returned cso=%xh.\n", cso);
1424
1425 return cso;
1426 }
1427
1428
1429 static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream)
1430 {
1431 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1432 struct snd_pcm_runtime *runtime = substream->runtime;
1433 struct snd_ali_voice *pvoice = runtime->private_data;
1434 unsigned int cso;
1435
1436 spin_lock(&codec->reg_lock);
1437 if (!pvoice->running) {
1438 spin_unlock(&codec->reg_lock);
1439 return 0;
1440 }
1441 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1442 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1443 spin_unlock(&codec->reg_lock);
1444
1445 return cso;
1446 }
1447
1448 static struct snd_pcm_hardware snd_ali_playback =
1449 {
1450 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1451 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1452 SNDRV_PCM_INFO_MMAP_VALID |
1453 SNDRV_PCM_INFO_RESUME |
1454 SNDRV_PCM_INFO_SYNC_START),
1455 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1456 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1457 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1458 .rate_min = 4000,
1459 .rate_max = 48000,
1460 .channels_min = 1,
1461 .channels_max = 2,
1462 .buffer_bytes_max = (256*1024),
1463 .period_bytes_min = 64,
1464 .period_bytes_max = (256*1024),
1465 .periods_min = 1,
1466 .periods_max = 1024,
1467 .fifo_size = 0,
1468 };
1469
1470 /*
1471 * Capture support device description
1472 */
1473
1474 static struct snd_pcm_hardware snd_ali_capture =
1475 {
1476 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1477 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1478 SNDRV_PCM_INFO_MMAP_VALID |
1479 SNDRV_PCM_INFO_RESUME |
1480 SNDRV_PCM_INFO_SYNC_START),
1481 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1482 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1483 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1484 .rate_min = 4000,
1485 .rate_max = 48000,
1486 .channels_min = 1,
1487 .channels_max = 2,
1488 .buffer_bytes_max = (128*1024),
1489 .period_bytes_min = 64,
1490 .period_bytes_max = (128*1024),
1491 .periods_min = 1,
1492 .periods_max = 1024,
1493 .fifo_size = 0,
1494 };
1495
1496 static void snd_ali_pcm_free_substream(struct snd_pcm_runtime *runtime)
1497 {
1498 struct snd_ali_voice *pvoice = runtime->private_data;
1499 struct snd_ali *codec;
1500
1501 if (pvoice) {
1502 codec = pvoice->codec;
1503 snd_ali_free_voice(pvoice->codec, pvoice);
1504 }
1505 }
1506
1507 static int snd_ali_open(struct snd_pcm_substream *substream, int rec,
1508 int channel, struct snd_pcm_hardware *phw)
1509 {
1510 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1511 struct snd_pcm_runtime *runtime = substream->runtime;
1512 struct snd_ali_voice *pvoice;
1513
1514 pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, rec,
1515 channel);
1516 if (!pvoice)
1517 return -EAGAIN;
1518
1519 pvoice->substream = substream;
1520 runtime->private_data = pvoice;
1521 runtime->private_free = snd_ali_pcm_free_substream;
1522
1523 runtime->hw = *phw;
1524 snd_pcm_set_sync(substream);
1525 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
1526 0, 64*1024);
1527 return 0;
1528 }
1529
1530 static int snd_ali_playback_open(struct snd_pcm_substream *substream)
1531 {
1532 return snd_ali_open(substream, 0, -1, &snd_ali_playback);
1533 }
1534
1535 static int snd_ali_capture_open(struct snd_pcm_substream *substream)
1536 {
1537 return snd_ali_open(substream, 1, -1, &snd_ali_capture);
1538 }
1539
1540 static int snd_ali_playback_close(struct snd_pcm_substream *substream)
1541 {
1542 return 0;
1543 }
1544
1545 static int snd_ali_close(struct snd_pcm_substream *substream)
1546 {
1547 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1548 struct snd_ali_voice *pvoice = substream->runtime->private_data;
1549
1550 snd_ali_disable_special_channel(codec,pvoice->number);
1551
1552 return 0;
1553 }
1554
1555 static struct snd_pcm_ops snd_ali_playback_ops = {
1556 .open = snd_ali_playback_open,
1557 .close = snd_ali_playback_close,
1558 .ioctl = snd_pcm_lib_ioctl,
1559 .hw_params = snd_ali_playback_hw_params,
1560 .hw_free = snd_ali_playback_hw_free,
1561 .prepare = snd_ali_playback_prepare,
1562 .trigger = snd_ali_trigger,
1563 .pointer = snd_ali_playback_pointer,
1564 };
1565
1566 static struct snd_pcm_ops snd_ali_capture_ops = {
1567 .open = snd_ali_capture_open,
1568 .close = snd_ali_close,
1569 .ioctl = snd_pcm_lib_ioctl,
1570 .hw_params = snd_ali_hw_params,
1571 .hw_free = snd_ali_hw_free,
1572 .prepare = snd_ali_prepare,
1573 .trigger = snd_ali_trigger,
1574 .pointer = snd_ali_pointer,
1575 };
1576
1577 /*
1578 * Modem PCM
1579 */
1580
1581 static int snd_ali_modem_hw_params(struct snd_pcm_substream *substream,
1582 struct snd_pcm_hw_params *hw_params)
1583 {
1584 struct snd_ali *chip = snd_pcm_substream_chip(substream);
1585 unsigned int modem_num = chip->num_of_codecs - 1;
1586 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_RATE,
1587 params_rate(hw_params));
1588 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_LEVEL, 0);
1589 return snd_ali_hw_params(substream, hw_params);
1590 }
1591
1592 static struct snd_pcm_hardware snd_ali_modem =
1593 {
1594 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1595 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1596 SNDRV_PCM_INFO_MMAP_VALID |
1597 SNDRV_PCM_INFO_RESUME |
1598 SNDRV_PCM_INFO_SYNC_START),
1599 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1600 .rates = (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000 |
1601 SNDRV_PCM_RATE_16000),
1602 .rate_min = 8000,
1603 .rate_max = 16000,
1604 .channels_min = 1,
1605 .channels_max = 1,
1606 .buffer_bytes_max = (256*1024),
1607 .period_bytes_min = 64,
1608 .period_bytes_max = (256*1024),
1609 .periods_min = 1,
1610 .periods_max = 1024,
1611 .fifo_size = 0,
1612 };
1613
1614 static int snd_ali_modem_open(struct snd_pcm_substream *substream, int rec,
1615 int channel)
1616 {
1617 static unsigned int rates[] = {8000, 9600, 12000, 16000};
1618 static struct snd_pcm_hw_constraint_list hw_constraint_rates = {
1619 .count = ARRAY_SIZE(rates),
1620 .list = rates,
1621 .mask = 0,
1622 };
1623 int err = snd_ali_open(substream, rec, channel, &snd_ali_modem);
1624
1625 if (err)
1626 return err;
1627 return snd_pcm_hw_constraint_list(substream->runtime, 0,
1628 SNDRV_PCM_HW_PARAM_RATE, &hw_constraint_rates);
1629 }
1630
1631 static int snd_ali_modem_playback_open(struct snd_pcm_substream *substream)
1632 {
1633 return snd_ali_modem_open(substream, 0, ALI_MODEM_OUT_CHANNEL);
1634 }
1635
1636 static int snd_ali_modem_capture_open(struct snd_pcm_substream *substream)
1637 {
1638 return snd_ali_modem_open(substream, 1, ALI_MODEM_IN_CHANNEL);
1639 }
1640
1641 static struct snd_pcm_ops snd_ali_modem_playback_ops = {
1642 .open = snd_ali_modem_playback_open,
1643 .close = snd_ali_close,
1644 .ioctl = snd_pcm_lib_ioctl,
1645 .hw_params = snd_ali_modem_hw_params,
1646 .hw_free = snd_ali_hw_free,
1647 .prepare = snd_ali_prepare,
1648 .trigger = snd_ali_trigger,
1649 .pointer = snd_ali_pointer,
1650 };
1651
1652 static struct snd_pcm_ops snd_ali_modem_capture_ops = {
1653 .open = snd_ali_modem_capture_open,
1654 .close = snd_ali_close,
1655 .ioctl = snd_pcm_lib_ioctl,
1656 .hw_params = snd_ali_modem_hw_params,
1657 .hw_free = snd_ali_hw_free,
1658 .prepare = snd_ali_prepare,
1659 .trigger = snd_ali_trigger,
1660 .pointer = snd_ali_pointer,
1661 };
1662
1663
1664 struct ali_pcm_description {
1665 char *name;
1666 unsigned int playback_num;
1667 unsigned int capture_num;
1668 struct snd_pcm_ops *playback_ops;
1669 struct snd_pcm_ops *capture_ops;
1670 unsigned short class;
1671 };
1672
1673
1674 static void snd_ali_pcm_free(struct snd_pcm *pcm)
1675 {
1676 struct snd_ali *codec = pcm->private_data;
1677 codec->pcm[pcm->device] = NULL;
1678 }
1679
1680
1681 static int snd_ali_pcm(struct snd_ali *codec, int device,
1682 struct ali_pcm_description *desc)
1683 {
1684 struct snd_pcm *pcm;
1685 int err;
1686
1687 err = snd_pcm_new(codec->card, desc->name, device,
1688 desc->playback_num, desc->capture_num, &pcm);
1689 if (err < 0) {
1690 snd_printk(KERN_ERR "snd_ali_pcm: err called snd_pcm_new.\n");
1691 return err;
1692 }
1693 pcm->private_data = codec;
1694 pcm->private_free = snd_ali_pcm_free;
1695 if (desc->playback_ops)
1696 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1697 desc->playback_ops);
1698 if (desc->capture_ops)
1699 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1700 desc->capture_ops);
1701
1702 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1703 snd_dma_pci_data(codec->pci),
1704 64*1024, 128*1024);
1705
1706 pcm->info_flags = 0;
1707 pcm->dev_class = desc->class;
1708 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1709 strcpy(pcm->name, desc->name);
1710 codec->pcm[0] = pcm;
1711 return 0;
1712 }
1713
1714 static struct ali_pcm_description ali_pcms[] = {
1715 { .name = "ALI 5451",
1716 .playback_num = ALI_CHANNELS,
1717 .capture_num = 1,
1718 .playback_ops = &snd_ali_playback_ops,
1719 .capture_ops = &snd_ali_capture_ops
1720 },
1721 { .name = "ALI 5451 modem",
1722 .playback_num = 1,
1723 .capture_num = 1,
1724 .playback_ops = &snd_ali_modem_playback_ops,
1725 .capture_ops = &snd_ali_modem_capture_ops,
1726 .class = SNDRV_PCM_CLASS_MODEM
1727 }
1728 };
1729
1730 static int snd_ali_build_pcms(struct snd_ali *codec)
1731 {
1732 int i, err;
1733 for (i = 0; i < codec->num_of_codecs && i < ARRAY_SIZE(ali_pcms); i++) {
1734 err = snd_ali_pcm(codec, i, &ali_pcms[i]);
1735 if (err < 0)
1736 return err;
1737 }
1738 return 0;
1739 }
1740
1741
1742 #define ALI5451_SPDIF(xname, xindex, value) \
1743 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
1744 .info = snd_ali5451_spdif_info, .get = snd_ali5451_spdif_get, \
1745 .put = snd_ali5451_spdif_put, .private_value = value}
1746
1747 #define snd_ali5451_spdif_info snd_ctl_boolean_mono_info
1748
1749 static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol,
1750 struct snd_ctl_elem_value *ucontrol)
1751 {
1752 struct snd_ali *codec = kcontrol->private_data;
1753 unsigned int spdif_enable;
1754
1755 spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0;
1756
1757 spin_lock_irq(&codec->reg_lock);
1758 switch (kcontrol->private_value) {
1759 case 0:
1760 spdif_enable = (codec->spdif_mask & 0x02) ? 1 : 0;
1761 break;
1762 case 1:
1763 spdif_enable = ((codec->spdif_mask & 0x02) &&
1764 (codec->spdif_mask & 0x04)) ? 1 : 0;
1765 break;
1766 case 2:
1767 spdif_enable = (codec->spdif_mask & 0x01) ? 1 : 0;
1768 break;
1769 default:
1770 break;
1771 }
1772 ucontrol->value.integer.value[0] = spdif_enable;
1773 spin_unlock_irq(&codec->reg_lock);
1774 return 0;
1775 }
1776
1777 static int snd_ali5451_spdif_put(struct snd_kcontrol *kcontrol,
1778 struct snd_ctl_elem_value *ucontrol)
1779 {
1780 struct snd_ali *codec = kcontrol->private_data;
1781 unsigned int change = 0, spdif_enable = 0;
1782
1783 spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0;
1784
1785 spin_lock_irq(&codec->reg_lock);
1786 switch (kcontrol->private_value) {
1787 case 0:
1788 change = (codec->spdif_mask & 0x02) ? 1 : 0;
1789 change = change ^ spdif_enable;
1790 if (change) {
1791 if (spdif_enable) {
1792 codec->spdif_mask |= 0x02;
1793 snd_ali_enable_spdif_out(codec);
1794 } else {
1795 codec->spdif_mask &= ~(0x02);
1796 codec->spdif_mask &= ~(0x04);
1797 snd_ali_disable_spdif_out(codec);
1798 }
1799 }
1800 break;
1801 case 1:
1802 change = (codec->spdif_mask & 0x04) ? 1 : 0;
1803 change = change ^ spdif_enable;
1804 if (change && (codec->spdif_mask & 0x02)) {
1805 if (spdif_enable) {
1806 codec->spdif_mask |= 0x04;
1807 snd_ali_enable_spdif_chnout(codec);
1808 } else {
1809 codec->spdif_mask &= ~(0x04);
1810 snd_ali_disable_spdif_chnout(codec);
1811 }
1812 }
1813 break;
1814 case 2:
1815 change = (codec->spdif_mask & 0x01) ? 1 : 0;
1816 change = change ^ spdif_enable;
1817 if (change) {
1818 if (spdif_enable) {
1819 codec->spdif_mask |= 0x01;
1820 snd_ali_enable_spdif_in(codec);
1821 } else {
1822 codec->spdif_mask &= ~(0x01);
1823 snd_ali_disable_spdif_in(codec);
1824 }
1825 }
1826 break;
1827 default:
1828 break;
1829 }
1830 spin_unlock_irq(&codec->reg_lock);
1831
1832 return change;
1833 }
1834
1835 static struct snd_kcontrol_new snd_ali5451_mixer_spdif[] = {
1836 /* spdif aplayback switch */
1837 /* FIXME: "IEC958 Playback Switch" may conflict with one on ac97_codec */
1838 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 0, 0),
1839 /* spdif out to spdif channel */
1840 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Channel Output ",NONE,SWITCH), 0, 1),
1841 /* spdif in from spdif channel */
1842 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, 2)
1843 };
1844
1845 static int snd_ali_mixer(struct snd_ali *codec)
1846 {
1847 struct snd_ac97_template ac97;
1848 unsigned int idx;
1849 int i, err;
1850 static struct snd_ac97_bus_ops ops = {
1851 .write = snd_ali_codec_write,
1852 .read = snd_ali_codec_read,
1853 };
1854
1855 err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus);
1856 if (err < 0)
1857 return err;
1858
1859 memset(&ac97, 0, sizeof(ac97));
1860 ac97.private_data = codec;
1861
1862 for (i = 0; i < codec->num_of_codecs; i++) {
1863 ac97.num = i;
1864 err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97[i]);
1865 if (err < 0) {
1866 snd_printk(KERN_ERR
1867 "ali mixer %d creating error.\n", i);
1868 if (i == 0)
1869 return err;
1870 codec->num_of_codecs = 1;
1871 break;
1872 }
1873 }
1874
1875 if (codec->spdif_support) {
1876 for (idx = 0; idx < ARRAY_SIZE(snd_ali5451_mixer_spdif); idx++) {
1877 err = snd_ctl_add(codec->card,
1878 snd_ctl_new1(&snd_ali5451_mixer_spdif[idx], codec));
1879 if (err < 0)
1880 return err;
1881 }
1882 }
1883 return 0;
1884 }
1885
1886 #ifdef CONFIG_PM_SLEEP
1887 static int ali_suspend(struct device *dev)
1888 {
1889 struct pci_dev *pci = to_pci_dev(dev);
1890 struct snd_card *card = dev_get_drvdata(dev);
1891 struct snd_ali *chip = card->private_data;
1892 struct snd_ali_image *im;
1893 int i, j;
1894
1895 im = chip->image;
1896 if (!im)
1897 return 0;
1898
1899 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1900 for (i = 0; i < chip->num_of_codecs; i++) {
1901 snd_pcm_suspend_all(chip->pcm[i]);
1902 snd_ac97_suspend(chip->ac97[i]);
1903 }
1904
1905 spin_lock_irq(&chip->reg_lock);
1906
1907 im->regs[ALI_MISCINT >> 2] = inl(ALI_REG(chip, ALI_MISCINT));
1908 /* im->regs[ALI_START >> 2] = inl(ALI_REG(chip, ALI_START)); */
1909 im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP));
1910
1911 /* disable all IRQ bits */
1912 outl(0, ALI_REG(chip, ALI_MISCINT));
1913
1914 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
1915 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP))
1916 continue;
1917 im->regs[i] = inl(ALI_REG(chip, i*4));
1918 }
1919
1920 for (i = 0; i < ALI_CHANNELS; i++) {
1921 outb(i, ALI_REG(chip, ALI_GC_CIR));
1922 for (j = 0; j < ALI_CHANNEL_REGS; j++)
1923 im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0));
1924 }
1925
1926 /* stop all HW channel */
1927 outl(0xffffffff, ALI_REG(chip, ALI_STOP));
1928
1929 spin_unlock_irq(&chip->reg_lock);
1930
1931 pci_disable_device(pci);
1932 pci_save_state(pci);
1933 pci_set_power_state(pci, PCI_D3hot);
1934 return 0;
1935 }
1936
1937 static int ali_resume(struct device *dev)
1938 {
1939 struct pci_dev *pci = to_pci_dev(dev);
1940 struct snd_card *card = dev_get_drvdata(dev);
1941 struct snd_ali *chip = card->private_data;
1942 struct snd_ali_image *im;
1943 int i, j;
1944
1945 im = chip->image;
1946 if (!im)
1947 return 0;
1948
1949 pci_set_power_state(pci, PCI_D0);
1950 pci_restore_state(pci);
1951 if (pci_enable_device(pci) < 0) {
1952 printk(KERN_ERR "ali5451: pci_enable_device failed, "
1953 "disabling device\n");
1954 snd_card_disconnect(card);
1955 return -EIO;
1956 }
1957 pci_set_master(pci);
1958
1959 spin_lock_irq(&chip->reg_lock);
1960
1961 for (i = 0; i < ALI_CHANNELS; i++) {
1962 outb(i, ALI_REG(chip, ALI_GC_CIR));
1963 for (j = 0; j < ALI_CHANNEL_REGS; j++)
1964 outl(im->channel_regs[i][j], ALI_REG(chip, j*4 + 0xe0));
1965 }
1966
1967 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
1968 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) ||
1969 (i*4 == ALI_START))
1970 continue;
1971 outl(im->regs[i], ALI_REG(chip, i*4));
1972 }
1973
1974 /* start HW channel */
1975 outl(im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START));
1976 /* restore IRQ enable bits */
1977 outl(im->regs[ALI_MISCINT >> 2], ALI_REG(chip, ALI_MISCINT));
1978
1979 spin_unlock_irq(&chip->reg_lock);
1980
1981 for (i = 0 ; i < chip->num_of_codecs; i++)
1982 snd_ac97_resume(chip->ac97[i]);
1983
1984 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1985 return 0;
1986 }
1987
1988 static SIMPLE_DEV_PM_OPS(ali_pm, ali_suspend, ali_resume);
1989 #define ALI_PM_OPS &ali_pm
1990 #else
1991 #define ALI_PM_OPS NULL
1992 #endif /* CONFIG_PM_SLEEP */
1993
1994 static int snd_ali_free(struct snd_ali * codec)
1995 {
1996 if (codec->hw_initialized)
1997 snd_ali_disable_address_interrupt(codec);
1998 if (codec->irq >= 0)
1999 free_irq(codec->irq, codec);
2000 if (codec->port)
2001 pci_release_regions(codec->pci);
2002 pci_disable_device(codec->pci);
2003 #ifdef CONFIG_PM_SLEEP
2004 kfree(codec->image);
2005 #endif
2006 pci_dev_put(codec->pci_m1533);
2007 pci_dev_put(codec->pci_m7101);
2008 kfree(codec);
2009 return 0;
2010 }
2011
2012 static int snd_ali_chip_init(struct snd_ali *codec)
2013 {
2014 unsigned int legacy;
2015 unsigned char temp;
2016 struct pci_dev *pci_dev;
2017
2018 snd_ali_printk("chip initializing ... \n");
2019
2020 if (snd_ali_reset_5451(codec)) {
2021 snd_printk(KERN_ERR "ali_chip_init: reset 5451 error.\n");
2022 return -1;
2023 }
2024
2025 if (codec->revision == ALI_5451_V02) {
2026 pci_dev = codec->pci_m1533;
2027 pci_read_config_byte(pci_dev, 0x59, &temp);
2028 temp |= 0x80;
2029 pci_write_config_byte(pci_dev, 0x59, temp);
2030
2031 pci_dev = codec->pci_m7101;
2032 pci_read_config_byte(pci_dev, 0xb8, &temp);
2033 temp |= 0x20;
2034 pci_write_config_byte(pci_dev, 0xB8, temp);
2035 }
2036
2037 pci_read_config_dword(codec->pci, 0x44, &legacy);
2038 legacy &= 0xff00ff00;
2039 legacy |= 0x000800aa;
2040 pci_write_config_dword(codec->pci, 0x44, legacy);
2041
2042 outl(0x80000001, ALI_REG(codec, ALI_GLOBAL_CONTROL));
2043 outl(0x00000000, ALI_REG(codec, ALI_AINTEN));
2044 outl(0xffffffff, ALI_REG(codec, ALI_AINT));
2045 outl(0x00000000, ALI_REG(codec, ALI_VOLUME));
2046 outb(0x10, ALI_REG(codec, ALI_MPUR2));
2047
2048 codec->ac97_ext_id = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_ID);
2049 codec->ac97_ext_status = snd_ali_codec_peek(codec, 0,
2050 AC97_EXTENDED_STATUS);
2051 if (codec->spdif_support) {
2052 snd_ali_enable_spdif_out(codec);
2053 codec->spdif_mask = 0x00000002;
2054 }
2055
2056 codec->num_of_codecs = 1;
2057
2058 /* secondary codec - modem */
2059 if (inl(ALI_REG(codec, ALI_SCTRL)) & ALI_SCTRL_CODEC2_READY) {
2060 codec->num_of_codecs++;
2061 outl(inl(ALI_REG(codec, ALI_SCTRL)) |
2062 (ALI_SCTRL_LINE_IN2 | ALI_SCTRL_GPIO_IN2 |
2063 ALI_SCTRL_LINE_OUT_EN),
2064 ALI_REG(codec, ALI_SCTRL));
2065 }
2066
2067 snd_ali_printk("chip initialize succeed.\n");
2068 return 0;
2069
2070 }
2071
2072 /* proc for register dump */
2073 static void snd_ali_proc_read(struct snd_info_entry *entry,
2074 struct snd_info_buffer *buf)
2075 {
2076 struct snd_ali *codec = entry->private_data;
2077 int i;
2078 for (i = 0; i < 256 ; i+= 4)
2079 snd_iprintf(buf, "%02x: %08x\n", i, inl(ALI_REG(codec, i)));
2080 }
2081
2082 static void snd_ali_proc_init(struct snd_ali *codec)
2083 {
2084 struct snd_info_entry *entry;
2085 if (!snd_card_proc_new(codec->card, "ali5451", &entry))
2086 snd_info_set_text_ops(entry, codec, snd_ali_proc_read);
2087 }
2088
2089 static int snd_ali_resources(struct snd_ali *codec)
2090 {
2091 int err;
2092
2093 snd_ali_printk("resources allocation ...\n");
2094 err = pci_request_regions(codec->pci, "ALI 5451");
2095 if (err < 0)
2096 return err;
2097 codec->port = pci_resource_start(codec->pci, 0);
2098
2099 if (request_irq(codec->pci->irq, snd_ali_card_interrupt,
2100 IRQF_SHARED, KBUILD_MODNAME, codec)) {
2101 snd_printk(KERN_ERR "Unable to request irq.\n");
2102 return -EBUSY;
2103 }
2104 codec->irq = codec->pci->irq;
2105 snd_ali_printk("resources allocated.\n");
2106 return 0;
2107 }
2108 static int snd_ali_dev_free(struct snd_device *device)
2109 {
2110 struct snd_ali *codec = device->device_data;
2111 snd_ali_free(codec);
2112 return 0;
2113 }
2114
2115 static int snd_ali_create(struct snd_card *card,
2116 struct pci_dev *pci,
2117 int pcm_streams,
2118 int spdif_support,
2119 struct snd_ali **r_ali)
2120 {
2121 struct snd_ali *codec;
2122 int i, err;
2123 unsigned short cmdw;
2124 static struct snd_device_ops ops = {
2125 .dev_free = snd_ali_dev_free,
2126 };
2127
2128 *r_ali = NULL;
2129
2130 snd_ali_printk("creating ...\n");
2131
2132 /* enable PCI device */
2133 err = pci_enable_device(pci);
2134 if (err < 0)
2135 return err;
2136 /* check, if we can restrict PCI DMA transfers to 31 bits */
2137 if (pci_set_dma_mask(pci, DMA_BIT_MASK(31)) < 0 ||
2138 pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(31)) < 0) {
2139 snd_printk(KERN_ERR "architecture does not support "
2140 "31bit PCI busmaster DMA\n");
2141 pci_disable_device(pci);
2142 return -ENXIO;
2143 }
2144
2145 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
2146 if (!codec) {
2147 pci_disable_device(pci);
2148 return -ENOMEM;
2149 }
2150
2151 spin_lock_init(&codec->reg_lock);
2152 spin_lock_init(&codec->voice_alloc);
2153
2154 codec->card = card;
2155 codec->pci = pci;
2156 codec->irq = -1;
2157 codec->revision = pci->revision;
2158 codec->spdif_support = spdif_support;
2159
2160 if (pcm_streams < 1)
2161 pcm_streams = 1;
2162 if (pcm_streams > 32)
2163 pcm_streams = 32;
2164
2165 pci_set_master(pci);
2166 pci_read_config_word(pci, PCI_COMMAND, &cmdw);
2167 if ((cmdw & PCI_COMMAND_IO) != PCI_COMMAND_IO) {
2168 cmdw |= PCI_COMMAND_IO;
2169 pci_write_config_word(pci, PCI_COMMAND, cmdw);
2170 }
2171 pci_set_master(pci);
2172
2173 if (snd_ali_resources(codec)) {
2174 snd_ali_free(codec);
2175 return -EBUSY;
2176 }
2177
2178 synchronize_irq(pci->irq);
2179
2180 codec->synth.chmap = 0;
2181 codec->synth.chcnt = 0;
2182 codec->spdif_mask = 0;
2183 codec->synth.synthcount = 0;
2184
2185 if (codec->revision == ALI_5451_V02)
2186 codec->chregs.regs.ac97read = ALI_AC97_WRITE;
2187 else
2188 codec->chregs.regs.ac97read = ALI_AC97_READ;
2189 codec->chregs.regs.ac97write = ALI_AC97_WRITE;
2190
2191 codec->chregs.regs.start = ALI_START;
2192 codec->chregs.regs.stop = ALI_STOP;
2193 codec->chregs.regs.aint = ALI_AINT;
2194 codec->chregs.regs.ainten = ALI_AINTEN;
2195
2196 codec->chregs.data.start = 0x00;
2197 codec->chregs.data.stop = 0x00;
2198 codec->chregs.data.aint = 0x00;
2199 codec->chregs.data.ainten = 0x00;
2200
2201 /* M1533: southbridge */
2202 codec->pci_m1533 = pci_get_device(0x10b9, 0x1533, NULL);
2203 if (!codec->pci_m1533) {
2204 snd_printk(KERN_ERR "ali5451: cannot find ALi 1533 chip.\n");
2205 snd_ali_free(codec);
2206 return -ENODEV;
2207 }
2208 /* M7101: power management */
2209 codec->pci_m7101 = pci_get_device(0x10b9, 0x7101, NULL);
2210 if (!codec->pci_m7101 && codec->revision == ALI_5451_V02) {
2211 snd_printk(KERN_ERR "ali5451: cannot find ALi 7101 chip.\n");
2212 snd_ali_free(codec);
2213 return -ENODEV;
2214 }
2215
2216 snd_ali_printk("snd_device_new is called.\n");
2217 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops);
2218 if (err < 0) {
2219 snd_ali_free(codec);
2220 return err;
2221 }
2222
2223 snd_card_set_dev(card, &pci->dev);
2224
2225 /* initialise synth voices*/
2226 for (i = 0; i < ALI_CHANNELS; i++)
2227 codec->synth.voices[i].number = i;
2228
2229 err = snd_ali_chip_init(codec);
2230 if (err < 0) {
2231 snd_printk(KERN_ERR "ali create: chip init error.\n");
2232 return err;
2233 }
2234
2235 #ifdef CONFIG_PM_SLEEP
2236 codec->image = kmalloc(sizeof(*codec->image), GFP_KERNEL);
2237 if (!codec->image)
2238 snd_printk(KERN_WARNING "can't allocate apm buffer\n");
2239 #endif
2240
2241 snd_ali_enable_address_interrupt(codec);
2242 codec->hw_initialized = 1;
2243
2244 *r_ali = codec;
2245 snd_ali_printk("created.\n");
2246 return 0;
2247 }
2248
2249 static int snd_ali_probe(struct pci_dev *pci,
2250 const struct pci_device_id *pci_id)
2251 {
2252 struct snd_card *card;
2253 struct snd_ali *codec;
2254 int err;
2255
2256 snd_ali_printk("probe ...\n");
2257
2258 err = snd_card_create(index, id, THIS_MODULE, 0, &card);
2259 if (err < 0)
2260 return err;
2261
2262 err = snd_ali_create(card, pci, pcm_channels, spdif, &codec);
2263 if (err < 0)
2264 goto error;
2265 card->private_data = codec;
2266
2267 snd_ali_printk("mixer building ...\n");
2268 err = snd_ali_mixer(codec);
2269 if (err < 0)
2270 goto error;
2271
2272 snd_ali_printk("pcm building ...\n");
2273 err = snd_ali_build_pcms(codec);
2274 if (err < 0)
2275 goto error;
2276
2277 snd_ali_proc_init(codec);
2278
2279 strcpy(card->driver, "ALI5451");
2280 strcpy(card->shortname, "ALI 5451");
2281
2282 sprintf(card->longname, "%s at 0x%lx, irq %i",
2283 card->shortname, codec->port, codec->irq);
2284
2285 snd_ali_printk("register card.\n");
2286 err = snd_card_register(card);
2287 if (err < 0)
2288 goto error;
2289
2290 pci_set_drvdata(pci, card);
2291 return 0;
2292
2293 error:
2294 snd_card_free(card);
2295 return err;
2296 }
2297
2298 static void snd_ali_remove(struct pci_dev *pci)
2299 {
2300 snd_card_free(pci_get_drvdata(pci));
2301 pci_set_drvdata(pci, NULL);
2302 }
2303
2304 static struct pci_driver ali5451_driver = {
2305 .name = KBUILD_MODNAME,
2306 .id_table = snd_ali_ids,
2307 .probe = snd_ali_probe,
2308 .remove = snd_ali_remove,
2309 .driver = {
2310 .pm = ALI_PM_OPS,
2311 },
2312 };
2313
2314 module_pci_driver(ali5451_driver);
Linus' kernel tree