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/moduleparam.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 int 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 int 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
274 struct snd_ali_image *image;
275 #endif
276 };
277
278 static struct pci_device_id 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 udelay(5000);
455 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
456 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff);
457 udelay(5000);
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 udelay(5000);
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 udelay(5000);
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 #ifdef CODEC_RESET
482
483 static int snd_ali_reset_codec(struct snd_ali *codec)
484 {
485 struct pci_dev *pci_dev;
486 unsigned char bVal;
487 unsigned int dwVal;
488 unsigned short wCount, wReg;
489
490 pci_dev = codec->pci_m1533;
491
492 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
493 pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000);
494 udelay(5000);
495 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
496 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff);
497 udelay(5000);
498
499 bVal = inb(ALI_REG(codec,ALI_SCTRL));
500 bVal |= 0x02;
501 outb(ALI_REG(codec,ALI_SCTRL),bVal);
502 udelay(5000);
503 bVal = inb(ALI_REG(codec,ALI_SCTRL));
504 bVal &= 0xfd;
505 outb(ALI_REG(codec,ALI_SCTRL),bVal);
506 udelay(15000);
507
508 wCount = 200;
509 while (wCount--) {
510 wReg = snd_ali_codec_read(codec->ac97, AC97_POWERDOWN);
511 if ((wReg & 0x000f) == 0x000f)
512 return 0;
513 udelay(5000);
514 }
515 return -1;
516 }
517
518 #endif
519
520 /*
521 * ALI 5451 Controller
522 */
523
524 static void snd_ali_enable_special_channel(struct snd_ali *codec,
525 unsigned int channel)
526 {
527 unsigned long dwVal;
528
529 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
530 dwVal |= 1 << (channel & 0x0000001f);
531 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
532 }
533
534 static void snd_ali_disable_special_channel(struct snd_ali *codec,
535 unsigned int channel)
536 {
537 unsigned long dwVal;
538
539 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
540 dwVal &= ~(1 << (channel & 0x0000001f));
541 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
542 }
543
544 static void snd_ali_enable_address_interrupt(struct snd_ali *codec)
545 {
546 unsigned int gc;
547
548 gc = inl(ALI_REG(codec, ALI_GC_CIR));
549 gc |= ENDLP_IE;
550 gc |= MIDLP_IE;
551 outl( gc, ALI_REG(codec, ALI_GC_CIR));
552 }
553
554 static void snd_ali_disable_address_interrupt(struct snd_ali *codec)
555 {
556 unsigned int gc;
557
558 gc = inl(ALI_REG(codec, ALI_GC_CIR));
559 gc &= ~ENDLP_IE;
560 gc &= ~MIDLP_IE;
561 outl(gc, ALI_REG(codec, ALI_GC_CIR));
562 }
563
564 #if 0 /* not used */
565 static void snd_ali_enable_voice_irq(struct snd_ali *codec,
566 unsigned int channel)
567 {
568 unsigned int mask;
569 struct snd_ali_channel_control *pchregs = &(codec->chregs);
570
571 snd_ali_printk("enable_voice_irq channel=%d\n",channel);
572
573 mask = 1 << (channel & 0x1f);
574 pchregs->data.ainten = inl(ALI_REG(codec, pchregs->regs.ainten));
575 pchregs->data.ainten |= mask;
576 outl(pchregs->data.ainten, ALI_REG(codec, pchregs->regs.ainten));
577 }
578 #endif
579
580 static void snd_ali_disable_voice_irq(struct snd_ali *codec,
581 unsigned int channel)
582 {
583 unsigned int mask;
584 struct snd_ali_channel_control *pchregs = &(codec->chregs);
585
586 snd_ali_printk("disable_voice_irq channel=%d\n",channel);
587
588 mask = 1 << (channel & 0x1f);
589 pchregs->data.ainten = inl(ALI_REG(codec, pchregs->regs.ainten));
590 pchregs->data.ainten &= ~mask;
591 outl(pchregs->data.ainten, ALI_REG(codec, pchregs->regs.ainten));
592 }
593
594 static int snd_ali_alloc_pcm_channel(struct snd_ali *codec, int channel)
595 {
596 unsigned int idx = channel & 0x1f;
597
598 if (codec->synth.chcnt >= ALI_CHANNELS){
599 snd_printk(KERN_ERR
600 "ali_alloc_pcm_channel: no free channels.\n");
601 return -1;
602 }
603
604 if (!(codec->synth.chmap & (1 << idx))) {
605 codec->synth.chmap |= 1 << idx;
606 codec->synth.chcnt++;
607 snd_ali_printk("alloc_pcm_channel no. %d.\n",idx);
608 return idx;
609 }
610 return -1;
611 }
612
613 static int snd_ali_find_free_channel(struct snd_ali * codec, int rec)
614 {
615 int idx;
616 int result = -1;
617
618 snd_ali_printk("find_free_channel: for %s\n",rec ? "rec" : "pcm");
619
620 /* recording */
621 if (rec) {
622 if (codec->spdif_support &&
623 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
624 ALI_SPDIF_IN_SUPPORT))
625 idx = ALI_SPDIF_IN_CHANNEL;
626 else
627 idx = ALI_PCM_IN_CHANNEL;
628
629 result = snd_ali_alloc_pcm_channel(codec, idx);
630 if (result >= 0)
631 return result;
632 else {
633 snd_printk(KERN_ERR "ali_find_free_channel: "
634 "record channel is busy now.\n");
635 return -1;
636 }
637 }
638
639 /* playback... */
640 if (codec->spdif_support &&
641 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
642 ALI_SPDIF_OUT_CH_ENABLE)) {
643 idx = ALI_SPDIF_OUT_CHANNEL;
644 result = snd_ali_alloc_pcm_channel(codec, idx);
645 if (result >= 0)
646 return result;
647 else
648 snd_printk(KERN_ERR "ali_find_free_channel: "
649 "S/PDIF out channel is in busy now.\n");
650 }
651
652 for (idx = 0; idx < ALI_CHANNELS; idx++) {
653 result = snd_ali_alloc_pcm_channel(codec, idx);
654 if (result >= 0)
655 return result;
656 }
657 snd_printk(KERN_ERR "ali_find_free_channel: no free channels.\n");
658 return -1;
659 }
660
661 static void snd_ali_free_channel_pcm(struct snd_ali *codec, int channel)
662 {
663 unsigned int idx = channel & 0x0000001f;
664
665 snd_ali_printk("free_channel_pcm channel=%d\n",channel);
666
667 if (channel < 0 || channel >= ALI_CHANNELS)
668 return;
669
670 if (!(codec->synth.chmap & (1 << idx))) {
671 snd_printk(KERN_ERR "ali_free_channel_pcm: "
672 "channel %d is not in use.\n", channel);
673 return;
674 } else {
675 codec->synth.chmap &= ~(1 << idx);
676 codec->synth.chcnt--;
677 }
678 }
679
680 #if 0 /* not used */
681 static void snd_ali_start_voice(struct snd_ali *codec, unsigned int channel)
682 {
683 unsigned int mask = 1 << (channel & 0x1f);
684
685 snd_ali_printk("start_voice: channel=%d\n",channel);
686 outl(mask, ALI_REG(codec,codec->chregs.regs.start));
687 }
688 #endif
689
690 static void snd_ali_stop_voice(struct snd_ali *codec, unsigned int channel)
691 {
692 unsigned int mask = 1 << (channel & 0x1f);
693
694 snd_ali_printk("stop_voice: channel=%d\n",channel);
695 outl(mask, ALI_REG(codec, codec->chregs.regs.stop));
696 }
697
698 /*
699 * S/PDIF Part
700 */
701
702 static void snd_ali_delay(struct snd_ali *codec,int interval)
703 {
704 unsigned long begintimer,currenttimer;
705
706 begintimer = inl(ALI_REG(codec, ALI_STIMER));
707 currenttimer = inl(ALI_REG(codec, ALI_STIMER));
708
709 while (currenttimer < begintimer + interval) {
710 if (snd_ali_stimer_ready(codec) < 0)
711 break;
712 currenttimer = inl(ALI_REG(codec, ALI_STIMER));
713 cpu_relax();
714 }
715 }
716
717 static void snd_ali_detect_spdif_rate(struct snd_ali *codec)
718 {
719 u16 wval;
720 u16 count = 0;
721 u8 bval, R1 = 0, R2;
722
723 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1));
724 bval |= 0x1F;
725 outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL + 1));
726
727 while ((R1 < 0x0b || R1 > 0x0e) && R1 != 0x12 && count <= 50000) {
728 count ++;
729 snd_ali_delay(codec, 6);
730 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1));
731 R1 = bval & 0x1F;
732 }
733
734 if (count > 50000) {
735 snd_printk(KERN_ERR "ali_detect_spdif_rate: timeout!\n");
736 return;
737 }
738
739 for (count = 0; count <= 50000; count++) {
740 snd_ali_delay(codec, 6);
741 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1));
742 R2 = bval & 0x1F;
743 if (R2 != R1)
744 R1 = R2;
745 else
746 break;
747 }
748
749 if (count > 50000) {
750 snd_printk(KERN_ERR "ali_detect_spdif_rate: timeout!\n");
751 return;
752 }
753
754 if (R2 >= 0x0b && R2 <= 0x0e) {
755 wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2));
756 wval &= 0xe0f0;
757 wval |= (0x09 << 8) | 0x05;
758 outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2));
759
760 bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3)) & 0xf0;
761 outb(bval | 0x02, ALI_REG(codec, ALI_SPDIF_CS + 3));
762 } else if (R2 == 0x12) {
763 wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2));
764 wval &= 0xe0f0;
765 wval |= (0x0e << 8) | 0x08;
766 outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2));
767
768 bval = inb(ALI_REG(codec,ALI_SPDIF_CS + 3)) & 0xf0;
769 outb(bval | 0x03, ALI_REG(codec, ALI_SPDIF_CS + 3));
770 }
771 }
772
773 static unsigned int snd_ali_get_spdif_in_rate(struct snd_ali *codec)
774 {
775 u32 dwRate;
776 u8 bval;
777
778 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
779 bval &= 0x7f;
780 bval |= 0x40;
781 outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL));
782
783 snd_ali_detect_spdif_rate(codec);
784
785 bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3));
786 bval &= 0x0f;
787
788 switch (bval) {
789 case 0: dwRate = 44100; break;
790 case 1: dwRate = 48000; break;
791 case 2: dwRate = 32000; break;
792 default: dwRate = 0; break;
793 }
794
795 return dwRate;
796 }
797
798 static void snd_ali_enable_spdif_in(struct snd_ali *codec)
799 {
800 unsigned int dwVal;
801
802 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
803 dwVal |= ALI_SPDIF_IN_SUPPORT;
804 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
805
806 dwVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
807 dwVal |= 0x02;
808 outb(dwVal, ALI_REG(codec, ALI_SPDIF_CTRL));
809
810 snd_ali_enable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
811 }
812
813 static void snd_ali_disable_spdif_in(struct snd_ali *codec)
814 {
815 unsigned int dwVal;
816
817 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
818 dwVal &= ~ALI_SPDIF_IN_SUPPORT;
819 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
820
821 snd_ali_disable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
822 }
823
824
825 static void snd_ali_set_spdif_out_rate(struct snd_ali *codec, unsigned int rate)
826 {
827 unsigned char bVal;
828 unsigned int dwRate;
829
830 switch (rate) {
831 case 32000: dwRate = 0x300; break;
832 case 48000: dwRate = 0x200; break;
833 default: dwRate = 0; break;
834 }
835
836 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
837 bVal &= (unsigned char)(~(1<<6));
838
839 bVal |= 0x80; /* select right */
840 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
841 outb(dwRate | 0x20, ALI_REG(codec, ALI_SPDIF_CS + 2));
842
843 bVal &= ~0x80; /* select left */
844 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
845 outw(rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2));
846 }
847
848 static void snd_ali_enable_spdif_out(struct snd_ali *codec)
849 {
850 unsigned short wVal;
851 unsigned char bVal;
852 struct pci_dev *pci_dev;
853
854 pci_dev = codec->pci_m1533;
855 if (pci_dev == NULL)
856 return;
857 pci_read_config_byte(pci_dev, 0x61, &bVal);
858 bVal |= 0x40;
859 pci_write_config_byte(pci_dev, 0x61, bVal);
860 pci_read_config_byte(pci_dev, 0x7d, &bVal);
861 bVal |= 0x01;
862 pci_write_config_byte(pci_dev, 0x7d, bVal);
863
864 pci_read_config_byte(pci_dev, 0x7e, &bVal);
865 bVal &= (~0x20);
866 bVal |= 0x10;
867 pci_write_config_byte(pci_dev, 0x7e, bVal);
868
869 bVal = inb(ALI_REG(codec, ALI_SCTRL));
870 outb(bVal | ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
871
872 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
873 outb(bVal & ALI_SPDIF_OUT_CH_STATUS, ALI_REG(codec, ALI_SPDIF_CTRL));
874
875 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
876 wVal |= ALI_SPDIF_OUT_SEL_PCM;
877 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
878 snd_ali_disable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
879 }
880
881 static void snd_ali_enable_spdif_chnout(struct snd_ali *codec)
882 {
883 unsigned short wVal;
884
885 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
886 wVal &= ~ALI_SPDIF_OUT_SEL_PCM;
887 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
888 /*
889 wVal = inw(ALI_REG(codec, ALI_SPDIF_CS));
890 if (flag & ALI_SPDIF_OUT_NON_PCM)
891 wVal |= 0x0002;
892 else
893 wVal &= (~0x0002);
894 outw(wVal, ALI_REG(codec, ALI_SPDIF_CS));
895 */
896 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
897 }
898
899 static void snd_ali_disable_spdif_chnout(struct snd_ali *codec)
900 {
901 unsigned short wVal;
902
903 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
904 wVal |= ALI_SPDIF_OUT_SEL_PCM;
905 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
906
907 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
908 }
909
910 static void snd_ali_disable_spdif_out(struct snd_ali *codec)
911 {
912 unsigned char bVal;
913
914 bVal = inb(ALI_REG(codec, ALI_SCTRL));
915 outb(bVal & ~ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
916
917 snd_ali_disable_spdif_chnout(codec);
918 }
919
920 static void snd_ali_update_ptr(struct snd_ali *codec, int channel)
921 {
922 struct snd_ali_voice *pvoice;
923 struct snd_pcm_runtime *runtime;
924 struct snd_ali_channel_control *pchregs;
925 unsigned int old, mask;
926 #ifdef ALI_DEBUG
927 unsigned int temp, cspf;
928 #endif
929
930 pchregs = &(codec->chregs);
931
932 /* check if interrupt occurred for channel */
933 old = pchregs->data.aint;
934 mask = 1U << (channel & 0x1f);
935
936 if (!(old & mask))
937 return;
938
939 pvoice = &codec->synth.voices[channel];
940 runtime = pvoice->substream->runtime;
941
942 udelay(100);
943 spin_lock(&codec->reg_lock);
944
945 if (pvoice->pcm && pvoice->substream) {
946 /* pcm interrupt */
947 #ifdef ALI_DEBUG
948 outb((u8)(pvoice->number), ALI_REG(codec, ALI_GC_CIR));
949 temp = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
950 cspf = (inl(ALI_REG(codec, ALI_CSPF)) & mask) == mask;
951 #endif
952 if (pvoice->running) {
953 snd_ali_printk("update_ptr: cso=%4.4x cspf=%d.\n",
954 (u16)temp, cspf);
955 spin_unlock(&codec->reg_lock);
956 snd_pcm_period_elapsed(pvoice->substream);
957 spin_lock(&codec->reg_lock);
958 } else {
959 snd_ali_stop_voice(codec, channel);
960 snd_ali_disable_voice_irq(codec, channel);
961 }
962 } else if (codec->synth.voices[channel].synth) {
963 /* synth interrupt */
964 } else if (codec->synth.voices[channel].midi) {
965 /* midi interrupt */
966 } else {
967 /* unknown interrupt */
968 snd_ali_stop_voice(codec, channel);
969 snd_ali_disable_voice_irq(codec, channel);
970 }
971 spin_unlock(&codec->reg_lock);
972 outl(mask,ALI_REG(codec,pchregs->regs.aint));
973 pchregs->data.aint = old & (~mask);
974 }
975
976 static irqreturn_t snd_ali_card_interrupt(int irq, void *dev_id)
977 {
978 struct snd_ali *codec = dev_id;
979 int channel;
980 unsigned int audio_int;
981 struct snd_ali_channel_control *pchregs;
982
983 if (codec == NULL || !codec->hw_initialized)
984 return IRQ_NONE;
985
986 audio_int = inl(ALI_REG(codec, ALI_MISCINT));
987 if (!audio_int)
988 return IRQ_NONE;
989
990 pchregs = &(codec->chregs);
991 if (audio_int & ADDRESS_IRQ) {
992 /* get interrupt status for all channels */
993 pchregs->data.aint = inl(ALI_REG(codec, pchregs->regs.aint));
994 for (channel = 0; channel < ALI_CHANNELS; channel++)
995 snd_ali_update_ptr(codec, channel);
996 }
997 outl((TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW),
998 ALI_REG(codec, ALI_MISCINT));
999
1000 return IRQ_HANDLED;
1001 }
1002
1003
1004 static struct snd_ali_voice *snd_ali_alloc_voice(struct snd_ali * codec,
1005 int type, int rec, int channel)
1006 {
1007 struct snd_ali_voice *pvoice;
1008 int idx;
1009
1010 snd_ali_printk("alloc_voice: type=%d rec=%d\n", type, rec);
1011
1012 spin_lock_irq(&codec->voice_alloc);
1013 if (type == SNDRV_ALI_VOICE_TYPE_PCM) {
1014 idx = channel > 0 ? snd_ali_alloc_pcm_channel(codec, channel) :
1015 snd_ali_find_free_channel(codec,rec);
1016 if (idx < 0) {
1017 snd_printk(KERN_ERR "ali_alloc_voice: err.\n");
1018 spin_unlock_irq(&codec->voice_alloc);
1019 return NULL;
1020 }
1021 pvoice = &(codec->synth.voices[idx]);
1022 pvoice->codec = codec;
1023 pvoice->use = 1;
1024 pvoice->pcm = 1;
1025 pvoice->mode = rec;
1026 spin_unlock_irq(&codec->voice_alloc);
1027 return pvoice;
1028 }
1029 spin_unlock_irq(&codec->voice_alloc);
1030 return NULL;
1031 }
1032
1033
1034 static void snd_ali_free_voice(struct snd_ali * codec,
1035 struct snd_ali_voice *pvoice)
1036 {
1037 void (*private_free)(void *);
1038 void *private_data;
1039
1040 snd_ali_printk("free_voice: channel=%d\n",pvoice->number);
1041 if (pvoice == NULL || !pvoice->use)
1042 return;
1043 snd_ali_clear_voices(codec, pvoice->number, pvoice->number);
1044 spin_lock_irq(&codec->voice_alloc);
1045 private_free = pvoice->private_free;
1046 private_data = pvoice->private_data;
1047 pvoice->private_free = NULL;
1048 pvoice->private_data = NULL;
1049 if (pvoice->pcm)
1050 snd_ali_free_channel_pcm(codec, pvoice->number);
1051 pvoice->use = pvoice->pcm = pvoice->synth = 0;
1052 pvoice->substream = NULL;
1053 spin_unlock_irq(&codec->voice_alloc);
1054 if (private_free)
1055 private_free(private_data);
1056 }
1057
1058
1059 static void snd_ali_clear_voices(struct snd_ali *codec,
1060 unsigned int v_min,
1061 unsigned int v_max)
1062 {
1063 unsigned int i;
1064
1065 for (i = v_min; i <= v_max; i++) {
1066 snd_ali_stop_voice(codec, i);
1067 snd_ali_disable_voice_irq(codec, i);
1068 }
1069 }
1070
1071 static void snd_ali_write_voice_regs(struct snd_ali *codec,
1072 unsigned int Channel,
1073 unsigned int LBA,
1074 unsigned int CSO,
1075 unsigned int ESO,
1076 unsigned int DELTA,
1077 unsigned int ALPHA_FMS,
1078 unsigned int GVSEL,
1079 unsigned int PAN,
1080 unsigned int VOL,
1081 unsigned int CTRL,
1082 unsigned int EC)
1083 {
1084 unsigned int ctlcmds[4];
1085
1086 outb((unsigned char)(Channel & 0x001f), ALI_REG(codec, ALI_GC_CIR));
1087
1088 ctlcmds[0] = (CSO << 16) | (ALPHA_FMS & 0x0000ffff);
1089 ctlcmds[1] = LBA;
1090 ctlcmds[2] = (ESO << 16) | (DELTA & 0x0ffff);
1091 ctlcmds[3] = (GVSEL << 31) |
1092 ((PAN & 0x0000007f) << 24) |
1093 ((VOL & 0x000000ff) << 16) |
1094 ((CTRL & 0x0000000f) << 12) |
1095 (EC & 0x00000fff);
1096
1097 outb(Channel, ALI_REG(codec, ALI_GC_CIR));
1098
1099 outl(ctlcmds[0], ALI_REG(codec, ALI_CSO_ALPHA_FMS));
1100 outl(ctlcmds[1], ALI_REG(codec, ALI_LBA));
1101 outl(ctlcmds[2], ALI_REG(codec, ALI_ESO_DELTA));
1102 outl(ctlcmds[3], ALI_REG(codec, ALI_GVSEL_PAN_VOC_CTRL_EC));
1103
1104 outl(0x30000000, ALI_REG(codec, ALI_EBUF1)); /* Still Mode */
1105 outl(0x30000000, ALI_REG(codec, ALI_EBUF2)); /* Still Mode */
1106 }
1107
1108 static unsigned int snd_ali_convert_rate(unsigned int rate, int rec)
1109 {
1110 unsigned int delta;
1111
1112 if (rate < 4000)
1113 rate = 4000;
1114 if (rate > 48000)
1115 rate = 48000;
1116
1117 if (rec) {
1118 if (rate == 44100)
1119 delta = 0x116a;
1120 else if (rate == 8000)
1121 delta = 0x6000;
1122 else if (rate == 48000)
1123 delta = 0x1000;
1124 else
1125 delta = ((48000 << 12) / rate) & 0x0000ffff;
1126 } else {
1127 if (rate == 44100)
1128 delta = 0xeb3;
1129 else if (rate == 8000)
1130 delta = 0x2ab;
1131 else if (rate == 48000)
1132 delta = 0x1000;
1133 else
1134 delta = (((rate << 12) + rate) / 48000) & 0x0000ffff;
1135 }
1136
1137 return delta;
1138 }
1139
1140 static unsigned int snd_ali_control_mode(struct snd_pcm_substream *substream)
1141 {
1142 unsigned int CTRL;
1143 struct snd_pcm_runtime *runtime = substream->runtime;
1144
1145 /* set ctrl mode
1146 CTRL default: 8-bit (unsigned) mono, loop mode enabled
1147 */
1148 CTRL = 0x00000001;
1149 if (snd_pcm_format_width(runtime->format) == 16)
1150 CTRL |= 0x00000008; /* 16-bit data */
1151 if (!snd_pcm_format_unsigned(runtime->format))
1152 CTRL |= 0x00000002; /* signed data */
1153 if (runtime->channels > 1)
1154 CTRL |= 0x00000004; /* stereo data */
1155 return CTRL;
1156 }
1157
1158 /*
1159 * PCM part
1160 */
1161
1162 static int snd_ali_trigger(struct snd_pcm_substream *substream,
1163 int cmd)
1164
1165 {
1166 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1167 struct snd_pcm_substream *s;
1168 unsigned int what, whati, capture_flag;
1169 struct snd_ali_voice *pvoice, *evoice;
1170 unsigned int val;
1171 int do_start;
1172
1173 switch (cmd) {
1174 case SNDRV_PCM_TRIGGER_START:
1175 case SNDRV_PCM_TRIGGER_RESUME:
1176 do_start = 1;
1177 break;
1178 case SNDRV_PCM_TRIGGER_STOP:
1179 case SNDRV_PCM_TRIGGER_SUSPEND:
1180 do_start = 0;
1181 break;
1182 default:
1183 return -EINVAL;
1184 }
1185
1186 what = whati = capture_flag = 0;
1187 snd_pcm_group_for_each_entry(s, substream) {
1188 if ((struct snd_ali *) snd_pcm_substream_chip(s) == codec) {
1189 pvoice = s->runtime->private_data;
1190 evoice = pvoice->extra;
1191 what |= 1 << (pvoice->number & 0x1f);
1192 if (evoice == NULL)
1193 whati |= 1 << (pvoice->number & 0x1f);
1194 else {
1195 whati |= 1 << (evoice->number & 0x1f);
1196 what |= 1 << (evoice->number & 0x1f);
1197 }
1198 if (do_start) {
1199 pvoice->running = 1;
1200 if (evoice != NULL)
1201 evoice->running = 1;
1202 } else {
1203 pvoice->running = 0;
1204 if (evoice != NULL)
1205 evoice->running = 0;
1206 }
1207 snd_pcm_trigger_done(s, substream);
1208 if (pvoice->mode)
1209 capture_flag = 1;
1210 }
1211 }
1212 spin_lock(&codec->reg_lock);
1213 if (!do_start)
1214 outl(what, ALI_REG(codec, ALI_STOP));
1215 val = inl(ALI_REG(codec, ALI_AINTEN));
1216 if (do_start)
1217 val |= whati;
1218 else
1219 val &= ~whati;
1220 outl(val, ALI_REG(codec, ALI_AINTEN));
1221 if (do_start)
1222 outl(what, ALI_REG(codec, ALI_START));
1223 snd_ali_printk("trigger: what=%xh whati=%xh\n", what, whati);
1224 spin_unlock(&codec->reg_lock);
1225
1226 return 0;
1227 }
1228
1229 static int snd_ali_playback_hw_params(struct snd_pcm_substream *substream,
1230 struct snd_pcm_hw_params *hw_params)
1231 {
1232 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1233 struct snd_pcm_runtime *runtime = substream->runtime;
1234 struct snd_ali_voice *pvoice = runtime->private_data;
1235 struct snd_ali_voice *evoice = pvoice->extra;
1236 int err;
1237
1238 err = snd_pcm_lib_malloc_pages(substream,
1239 params_buffer_bytes(hw_params));
1240 if (err < 0)
1241 return err;
1242
1243 /* voice management */
1244
1245 if (params_buffer_size(hw_params) / 2 !=
1246 params_period_size(hw_params)) {
1247 if (!evoice) {
1248 evoice = snd_ali_alloc_voice(codec,
1249 SNDRV_ALI_VOICE_TYPE_PCM,
1250 0, -1);
1251 if (!evoice)
1252 return -ENOMEM;
1253 pvoice->extra = evoice;
1254 evoice->substream = substream;
1255 }
1256 } else {
1257 if (evoice) {
1258 snd_ali_free_voice(codec, evoice);
1259 pvoice->extra = evoice = NULL;
1260 }
1261 }
1262
1263 return 0;
1264 }
1265
1266 static int snd_ali_playback_hw_free(struct snd_pcm_substream *substream)
1267 {
1268 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1269 struct snd_pcm_runtime *runtime = substream->runtime;
1270 struct snd_ali_voice *pvoice = runtime->private_data;
1271 struct snd_ali_voice *evoice = pvoice ? pvoice->extra : NULL;
1272
1273 snd_pcm_lib_free_pages(substream);
1274 if (evoice) {
1275 snd_ali_free_voice(codec, evoice);
1276 pvoice->extra = NULL;
1277 }
1278 return 0;
1279 }
1280
1281 static int snd_ali_hw_params(struct snd_pcm_substream *substream,
1282 struct snd_pcm_hw_params *hw_params)
1283 {
1284 return snd_pcm_lib_malloc_pages(substream,
1285 params_buffer_bytes(hw_params));
1286 }
1287
1288 static int snd_ali_hw_free(struct snd_pcm_substream *substream)
1289 {
1290 return snd_pcm_lib_free_pages(substream);
1291 }
1292
1293 static int snd_ali_playback_prepare(struct snd_pcm_substream *substream)
1294 {
1295 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1296 struct snd_pcm_runtime *runtime = substream->runtime;
1297 struct snd_ali_voice *pvoice = runtime->private_data;
1298 struct snd_ali_voice *evoice = pvoice->extra;
1299
1300 unsigned int LBA;
1301 unsigned int Delta;
1302 unsigned int ESO;
1303 unsigned int CTRL;
1304 unsigned int GVSEL;
1305 unsigned int PAN;
1306 unsigned int VOL;
1307 unsigned int EC;
1308
1309 snd_ali_printk("playback_prepare ...\n");
1310
1311 spin_lock_irq(&codec->reg_lock);
1312
1313 /* set Delta (rate) value */
1314 Delta = snd_ali_convert_rate(runtime->rate, 0);
1315
1316 if (pvoice->number == ALI_SPDIF_IN_CHANNEL ||
1317 pvoice->number == ALI_PCM_IN_CHANNEL)
1318 snd_ali_disable_special_channel(codec, pvoice->number);
1319 else if (codec->spdif_support &&
1320 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
1321 ALI_SPDIF_OUT_CH_ENABLE)
1322 && pvoice->number == ALI_SPDIF_OUT_CHANNEL) {
1323 snd_ali_set_spdif_out_rate(codec, runtime->rate);
1324 Delta = 0x1000;
1325 }
1326
1327 /* set Loop Back Address */
1328 LBA = runtime->dma_addr;
1329
1330 /* set interrupt count size */
1331 pvoice->count = runtime->period_size;
1332
1333 /* set target ESO for channel */
1334 pvoice->eso = runtime->buffer_size;
1335
1336 snd_ali_printk("playback_prepare: eso=%xh count=%xh\n",
1337 pvoice->eso, pvoice->count);
1338
1339 /* set ESO to capture first MIDLP interrupt */
1340 ESO = pvoice->eso -1;
1341 /* set ctrl mode */
1342 CTRL = snd_ali_control_mode(substream);
1343
1344 GVSEL = 1;
1345 PAN = 0;
1346 VOL = 0;
1347 EC = 0;
1348 snd_ali_printk("playback_prepare:\n");
1349 snd_ali_printk("ch=%d, Rate=%d Delta=%xh,GVSEL=%xh,PAN=%xh,CTRL=%xh\n",
1350 pvoice->number,runtime->rate,Delta,GVSEL,PAN,CTRL);
1351 snd_ali_write_voice_regs(codec,
1352 pvoice->number,
1353 LBA,
1354 0, /* cso */
1355 ESO,
1356 Delta,
1357 0, /* alpha */
1358 GVSEL,
1359 PAN,
1360 VOL,
1361 CTRL,
1362 EC);
1363 if (evoice) {
1364 evoice->count = pvoice->count;
1365 evoice->eso = pvoice->count << 1;
1366 ESO = evoice->eso - 1;
1367 snd_ali_write_voice_regs(codec,
1368 evoice->number,
1369 LBA,
1370 0, /* cso */
1371 ESO,
1372 Delta,
1373 0, /* alpha */
1374 GVSEL,
1375 0x7f,
1376 0x3ff,
1377 CTRL,
1378 EC);
1379 }
1380 spin_unlock_irq(&codec->reg_lock);
1381 return 0;
1382 }
1383
1384
1385 static int snd_ali_prepare(struct snd_pcm_substream *substream)
1386 {
1387 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1388 struct snd_pcm_runtime *runtime = substream->runtime;
1389 struct snd_ali_voice *pvoice = runtime->private_data;
1390 unsigned int LBA;
1391 unsigned int Delta;
1392 unsigned int ESO;
1393 unsigned int CTRL;
1394 unsigned int GVSEL;
1395 unsigned int PAN;
1396 unsigned int VOL;
1397 unsigned int EC;
1398 u8 bValue;
1399
1400 spin_lock_irq(&codec->reg_lock);
1401
1402 snd_ali_printk("ali_prepare...\n");
1403
1404 snd_ali_enable_special_channel(codec,pvoice->number);
1405
1406 Delta = (pvoice->number == ALI_MODEM_IN_CHANNEL ||
1407 pvoice->number == ALI_MODEM_OUT_CHANNEL) ?
1408 0x1000 : snd_ali_convert_rate(runtime->rate, pvoice->mode);
1409
1410 /* Prepare capture intr channel */
1411 if (pvoice->number == ALI_SPDIF_IN_CHANNEL) {
1412
1413 unsigned int rate;
1414
1415 spin_unlock_irq(&codec->reg_lock);
1416 if (codec->revision != ALI_5451_V02)
1417 return -1;
1418
1419 rate = snd_ali_get_spdif_in_rate(codec);
1420 if (rate == 0) {
1421 snd_printk(KERN_WARNING "ali_capture_preapre: "
1422 "spdif rate detect err!\n");
1423 rate = 48000;
1424 }
1425 spin_lock_irq(&codec->reg_lock);
1426 bValue = inb(ALI_REG(codec,ALI_SPDIF_CTRL));
1427 if (bValue & 0x10) {
1428 outb(bValue,ALI_REG(codec,ALI_SPDIF_CTRL));
1429 printk(KERN_WARNING "clear SPDIF parity error flag.\n");
1430 }
1431
1432 if (rate != 48000)
1433 Delta = ((rate << 12) / runtime->rate) & 0x00ffff;
1434 }
1435
1436 /* set target ESO for channel */
1437 pvoice->eso = runtime->buffer_size;
1438
1439 /* set interrupt count size */
1440 pvoice->count = runtime->period_size;
1441
1442 /* set Loop Back Address */
1443 LBA = runtime->dma_addr;
1444
1445 /* set ESO to capture first MIDLP interrupt */
1446 ESO = pvoice->eso - 1;
1447 CTRL = snd_ali_control_mode(substream);
1448 GVSEL = 0;
1449 PAN = 0x00;
1450 VOL = 0x00;
1451 EC = 0;
1452
1453 snd_ali_write_voice_regs( codec,
1454 pvoice->number,
1455 LBA,
1456 0, /* cso */
1457 ESO,
1458 Delta,
1459 0, /* alpha */
1460 GVSEL,
1461 PAN,
1462 VOL,
1463 CTRL,
1464 EC);
1465
1466 spin_unlock_irq(&codec->reg_lock);
1467
1468 return 0;
1469 }
1470
1471
1472 static snd_pcm_uframes_t
1473 snd_ali_playback_pointer(struct snd_pcm_substream *substream)
1474 {
1475 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1476 struct snd_pcm_runtime *runtime = substream->runtime;
1477 struct snd_ali_voice *pvoice = runtime->private_data;
1478 unsigned int cso;
1479
1480 spin_lock(&codec->reg_lock);
1481 if (!pvoice->running) {
1482 spin_unlock(&codec->reg_lock);
1483 return 0;
1484 }
1485 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1486 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1487 spin_unlock(&codec->reg_lock);
1488 snd_ali_printk("playback pointer returned cso=%xh.\n", cso);
1489
1490 return cso;
1491 }
1492
1493
1494 static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream)
1495 {
1496 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1497 struct snd_pcm_runtime *runtime = substream->runtime;
1498 struct snd_ali_voice *pvoice = runtime->private_data;
1499 unsigned int cso;
1500
1501 spin_lock(&codec->reg_lock);
1502 if (!pvoice->running) {
1503 spin_unlock_irq(&codec->reg_lock);
1504 return 0;
1505 }
1506 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1507 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1508 spin_unlock(&codec->reg_lock);
1509
1510 return cso;
1511 }
1512
1513 static struct snd_pcm_hardware snd_ali_playback =
1514 {
1515 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1516 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1517 SNDRV_PCM_INFO_MMAP_VALID |
1518 SNDRV_PCM_INFO_RESUME |
1519 SNDRV_PCM_INFO_SYNC_START),
1520 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1521 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1522 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1523 .rate_min = 4000,
1524 .rate_max = 48000,
1525 .channels_min = 1,
1526 .channels_max = 2,
1527 .buffer_bytes_max = (256*1024),
1528 .period_bytes_min = 64,
1529 .period_bytes_max = (256*1024),
1530 .periods_min = 1,
1531 .periods_max = 1024,
1532 .fifo_size = 0,
1533 };
1534
1535 /*
1536 * Capture support device description
1537 */
1538
1539 static struct snd_pcm_hardware snd_ali_capture =
1540 {
1541 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1542 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1543 SNDRV_PCM_INFO_MMAP_VALID |
1544 SNDRV_PCM_INFO_RESUME |
1545 SNDRV_PCM_INFO_SYNC_START),
1546 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1547 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1548 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1549 .rate_min = 4000,
1550 .rate_max = 48000,
1551 .channels_min = 1,
1552 .channels_max = 2,
1553 .buffer_bytes_max = (128*1024),
1554 .period_bytes_min = 64,
1555 .period_bytes_max = (128*1024),
1556 .periods_min = 1,
1557 .periods_max = 1024,
1558 .fifo_size = 0,
1559 };
1560
1561 static void snd_ali_pcm_free_substream(struct snd_pcm_runtime *runtime)
1562 {
1563 struct snd_ali_voice *pvoice = runtime->private_data;
1564 struct snd_ali *codec;
1565
1566 if (pvoice) {
1567 codec = pvoice->codec;
1568 snd_ali_free_voice(pvoice->codec, pvoice);
1569 }
1570 }
1571
1572 static int snd_ali_open(struct snd_pcm_substream *substream, int rec,
1573 int channel, struct snd_pcm_hardware *phw)
1574 {
1575 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1576 struct snd_pcm_runtime *runtime = substream->runtime;
1577 struct snd_ali_voice *pvoice;
1578
1579 pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, rec,
1580 channel);
1581 if (!pvoice)
1582 return -EAGAIN;
1583
1584 pvoice->substream = substream;
1585 runtime->private_data = pvoice;
1586 runtime->private_free = snd_ali_pcm_free_substream;
1587
1588 runtime->hw = *phw;
1589 snd_pcm_set_sync(substream);
1590 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
1591 0, 64*1024);
1592 return 0;
1593 }
1594
1595 static int snd_ali_playback_open(struct snd_pcm_substream *substream)
1596 {
1597 return snd_ali_open(substream, 0, -1, &snd_ali_playback);
1598 }
1599
1600 static int snd_ali_capture_open(struct snd_pcm_substream *substream)
1601 {
1602 return snd_ali_open(substream, 1, -1, &snd_ali_capture);
1603 }
1604
1605 static int snd_ali_playback_close(struct snd_pcm_substream *substream)
1606 {
1607 return 0;
1608 }
1609
1610 static int snd_ali_close(struct snd_pcm_substream *substream)
1611 {
1612 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1613 struct snd_ali_voice *pvoice = substream->runtime->private_data;
1614
1615 snd_ali_disable_special_channel(codec,pvoice->number);
1616
1617 return 0;
1618 }
1619
1620 static struct snd_pcm_ops snd_ali_playback_ops = {
1621 .open = snd_ali_playback_open,
1622 .close = snd_ali_playback_close,
1623 .ioctl = snd_pcm_lib_ioctl,
1624 .hw_params = snd_ali_playback_hw_params,
1625 .hw_free = snd_ali_playback_hw_free,
1626 .prepare = snd_ali_playback_prepare,
1627 .trigger = snd_ali_trigger,
1628 .pointer = snd_ali_playback_pointer,
1629 };
1630
1631 static struct snd_pcm_ops snd_ali_capture_ops = {
1632 .open = snd_ali_capture_open,
1633 .close = snd_ali_close,
1634 .ioctl = snd_pcm_lib_ioctl,
1635 .hw_params = snd_ali_hw_params,
1636 .hw_free = snd_ali_hw_free,
1637 .prepare = snd_ali_prepare,
1638 .trigger = snd_ali_trigger,
1639 .pointer = snd_ali_pointer,
1640 };
1641
1642 /*
1643 * Modem PCM
1644 */
1645
1646 static int snd_ali_modem_hw_params(struct snd_pcm_substream *substream,
1647 struct snd_pcm_hw_params *hw_params)
1648 {
1649 struct snd_ali *chip = snd_pcm_substream_chip(substream);
1650 unsigned int modem_num = chip->num_of_codecs - 1;
1651 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_RATE,
1652 params_rate(hw_params));
1653 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_LEVEL, 0);
1654 return snd_ali_hw_params(substream, hw_params);
1655 }
1656
1657 static struct snd_pcm_hardware snd_ali_modem =
1658 {
1659 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1660 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1661 SNDRV_PCM_INFO_MMAP_VALID |
1662 SNDRV_PCM_INFO_RESUME |
1663 SNDRV_PCM_INFO_SYNC_START),
1664 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1665 .rates = (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000 |
1666 SNDRV_PCM_RATE_16000),
1667 .rate_min = 8000,
1668 .rate_max = 16000,
1669 .channels_min = 1,
1670 .channels_max = 1,
1671 .buffer_bytes_max = (256*1024),
1672 .period_bytes_min = 64,
1673 .period_bytes_max = (256*1024),
1674 .periods_min = 1,
1675 .periods_max = 1024,
1676 .fifo_size = 0,
1677 };
1678
1679 static int snd_ali_modem_open(struct snd_pcm_substream *substream, int rec,
1680 int channel)
1681 {
1682 static unsigned int rates[] = {8000, 9600, 12000, 16000};
1683 static struct snd_pcm_hw_constraint_list hw_constraint_rates = {
1684 .count = ARRAY_SIZE(rates),
1685 .list = rates,
1686 .mask = 0,
1687 };
1688 int err = snd_ali_open(substream, rec, channel, &snd_ali_modem);
1689
1690 if (err)
1691 return err;
1692 return snd_pcm_hw_constraint_list(substream->runtime, 0,
1693 SNDRV_PCM_HW_PARAM_RATE, &hw_constraint_rates);
1694 }
1695
1696 static int snd_ali_modem_playback_open(struct snd_pcm_substream *substream)
1697 {
1698 return snd_ali_modem_open(substream, 0, ALI_MODEM_OUT_CHANNEL);
1699 }
1700
1701 static int snd_ali_modem_capture_open(struct snd_pcm_substream *substream)
1702 {
1703 return snd_ali_modem_open(substream, 1, ALI_MODEM_IN_CHANNEL);
1704 }
1705
1706 static struct snd_pcm_ops snd_ali_modem_playback_ops = {
1707 .open = snd_ali_modem_playback_open,
1708 .close = snd_ali_close,
1709 .ioctl = snd_pcm_lib_ioctl,
1710 .hw_params = snd_ali_modem_hw_params,
1711 .hw_free = snd_ali_hw_free,
1712 .prepare = snd_ali_prepare,
1713 .trigger = snd_ali_trigger,
1714 .pointer = snd_ali_pointer,
1715 };
1716
1717 static struct snd_pcm_ops snd_ali_modem_capture_ops = {
1718 .open = snd_ali_modem_capture_open,
1719 .close = snd_ali_close,
1720 .ioctl = snd_pcm_lib_ioctl,
1721 .hw_params = snd_ali_modem_hw_params,
1722 .hw_free = snd_ali_hw_free,
1723 .prepare = snd_ali_prepare,
1724 .trigger = snd_ali_trigger,
1725 .pointer = snd_ali_pointer,
1726 };
1727
1728
1729 struct ali_pcm_description {
1730 char *name;
1731 unsigned int playback_num;
1732 unsigned int capture_num;
1733 struct snd_pcm_ops *playback_ops;
1734 struct snd_pcm_ops *capture_ops;
1735 unsigned short class;
1736 };
1737
1738
1739 static void snd_ali_pcm_free(struct snd_pcm *pcm)
1740 {
1741 struct snd_ali *codec = pcm->private_data;
1742 codec->pcm[pcm->device] = NULL;
1743 }
1744
1745
1746 static int __devinit snd_ali_pcm(struct snd_ali * codec, int device,
1747 struct ali_pcm_description *desc)
1748 {
1749 struct snd_pcm *pcm;
1750 int err;
1751
1752 err = snd_pcm_new(codec->card, desc->name, device,
1753 desc->playback_num, desc->capture_num, &pcm);
1754 if (err < 0) {
1755 snd_printk(KERN_ERR "snd_ali_pcm: err called snd_pcm_new.\n");
1756 return err;
1757 }
1758 pcm->private_data = codec;
1759 pcm->private_free = snd_ali_pcm_free;
1760 if (desc->playback_ops)
1761 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1762 desc->playback_ops);
1763 if (desc->capture_ops)
1764 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1765 desc->capture_ops);
1766
1767 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1768 snd_dma_pci_data(codec->pci),
1769 64*1024, 128*1024);
1770
1771 pcm->info_flags = 0;
1772 pcm->dev_class = desc->class;
1773 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1774 strcpy(pcm->name, desc->name);
1775 codec->pcm[0] = pcm;
1776 return 0;
1777 }
1778
1779 static struct ali_pcm_description ali_pcms[] = {
1780 { .name = "ALI 5451",
1781 .playback_num = ALI_CHANNELS,
1782 .capture_num = 1,
1783 .playback_ops = &snd_ali_playback_ops,
1784 .capture_ops = &snd_ali_capture_ops
1785 },
1786 { .name = "ALI 5451 modem",
1787 .playback_num = 1,
1788 .capture_num = 1,
1789 .playback_ops = &snd_ali_modem_playback_ops,
1790 .capture_ops = &snd_ali_modem_capture_ops,
1791 .class = SNDRV_PCM_CLASS_MODEM
1792 }
1793 };
1794
1795 static int __devinit snd_ali_build_pcms(struct snd_ali *codec)
1796 {
1797 int i, err;
1798 for (i = 0; i < codec->num_of_codecs && i < ARRAY_SIZE(ali_pcms); i++) {
1799 err = snd_ali_pcm(codec, i, &ali_pcms[i]);
1800 if (err < 0)
1801 return err;
1802 }
1803 return 0;
1804 }
1805
1806
1807 #define ALI5451_SPDIF(xname, xindex, value) \
1808 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
1809 .info = snd_ali5451_spdif_info, .get = snd_ali5451_spdif_get, \
1810 .put = snd_ali5451_spdif_put, .private_value = value}
1811
1812 #define snd_ali5451_spdif_info snd_ctl_boolean_mono_info
1813
1814 static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol,
1815 struct snd_ctl_elem_value *ucontrol)
1816 {
1817 struct snd_ali *codec = kcontrol->private_data;
1818 unsigned int spdif_enable;
1819
1820 spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0;
1821
1822 spin_lock_irq(&codec->reg_lock);
1823 switch (kcontrol->private_value) {
1824 case 0:
1825 spdif_enable = (codec->spdif_mask & 0x02) ? 1 : 0;
1826 break;
1827 case 1:
1828 spdif_enable = ((codec->spdif_mask & 0x02) &&
1829 (codec->spdif_mask & 0x04)) ? 1 : 0;
1830 break;
1831 case 2:
1832 spdif_enable = (codec->spdif_mask & 0x01) ? 1 : 0;
1833 break;
1834 default:
1835 break;
1836 }
1837 ucontrol->value.integer.value[0] = spdif_enable;
1838 spin_unlock_irq(&codec->reg_lock);
1839 return 0;
1840 }
1841
1842 static int snd_ali5451_spdif_put(struct snd_kcontrol *kcontrol,
1843 struct snd_ctl_elem_value *ucontrol)
1844 {
1845 struct snd_ali *codec = kcontrol->private_data;
1846 unsigned int change = 0, spdif_enable = 0;
1847
1848 spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0;
1849
1850 spin_lock_irq(&codec->reg_lock);
1851 switch (kcontrol->private_value) {
1852 case 0:
1853 change = (codec->spdif_mask & 0x02) ? 1 : 0;
1854 change = change ^ spdif_enable;
1855 if (change) {
1856 if (spdif_enable) {
1857 codec->spdif_mask |= 0x02;
1858 snd_ali_enable_spdif_out(codec);
1859 } else {
1860 codec->spdif_mask &= ~(0x02);
1861 codec->spdif_mask &= ~(0x04);
1862 snd_ali_disable_spdif_out(codec);
1863 }
1864 }
1865 break;
1866 case 1:
1867 change = (codec->spdif_mask & 0x04) ? 1 : 0;
1868 change = change ^ spdif_enable;
1869 if (change && (codec->spdif_mask & 0x02)) {
1870 if (spdif_enable) {
1871 codec->spdif_mask |= 0x04;
1872 snd_ali_enable_spdif_chnout(codec);
1873 } else {
1874 codec->spdif_mask &= ~(0x04);
1875 snd_ali_disable_spdif_chnout(codec);
1876 }
1877 }
1878 break;
1879 case 2:
1880 change = (codec->spdif_mask & 0x01) ? 1 : 0;
1881 change = change ^ spdif_enable;
1882 if (change) {
1883 if (spdif_enable) {
1884 codec->spdif_mask |= 0x01;
1885 snd_ali_enable_spdif_in(codec);
1886 } else {
1887 codec->spdif_mask &= ~(0x01);
1888 snd_ali_disable_spdif_in(codec);
1889 }
1890 }
1891 break;
1892 default:
1893 break;
1894 }
1895 spin_unlock_irq(&codec->reg_lock);
1896
1897 return change;
1898 }
1899
1900 static struct snd_kcontrol_new snd_ali5451_mixer_spdif[] __devinitdata = {
1901 /* spdif aplayback switch */
1902 /* FIXME: "IEC958 Playback Switch" may conflict with one on ac97_codec */
1903 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 0, 0),
1904 /* spdif out to spdif channel */
1905 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Channel Output ",NONE,SWITCH), 0, 1),
1906 /* spdif in from spdif channel */
1907 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, 2)
1908 };
1909
1910 static int __devinit snd_ali_mixer(struct snd_ali * codec)
1911 {
1912 struct snd_ac97_template ac97;
1913 unsigned int idx;
1914 int i, err;
1915 static struct snd_ac97_bus_ops ops = {
1916 .write = snd_ali_codec_write,
1917 .read = snd_ali_codec_read,
1918 };
1919
1920 err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus);
1921 if (err < 0)
1922 return err;
1923
1924 memset(&ac97, 0, sizeof(ac97));
1925 ac97.private_data = codec;
1926
1927 for (i = 0; i < codec->num_of_codecs; i++) {
1928 ac97.num = i;
1929 err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97[i]);
1930 if (err < 0) {
1931 snd_printk(KERN_ERR
1932 "ali mixer %d creating error.\n", i);
1933 if (i == 0)
1934 return err;
1935 codec->num_of_codecs = 1;
1936 break;
1937 }
1938 }
1939
1940 if (codec->spdif_support) {
1941 for (idx = 0; idx < ARRAY_SIZE(snd_ali5451_mixer_spdif); idx++) {
1942 err = snd_ctl_add(codec->card,
1943 snd_ctl_new1(&snd_ali5451_mixer_spdif[idx], codec));
1944 if (err < 0)
1945 return err;
1946 }
1947 }
1948 return 0;
1949 }
1950
1951 #ifdef CONFIG_PM
1952 static int ali_suspend(struct pci_dev *pci, pm_message_t state)
1953 {
1954 struct snd_card *card = pci_get_drvdata(pci);
1955 struct snd_ali *chip = card->private_data;
1956 struct snd_ali_image *im;
1957 int i, j;
1958
1959 im = chip->image;
1960 if (!im)
1961 return 0;
1962
1963 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1964 for (i = 0; i < chip->num_of_codecs; i++) {
1965 snd_pcm_suspend_all(chip->pcm[i]);
1966 snd_ac97_suspend(chip->ac97[i]);
1967 }
1968
1969 spin_lock_irq(&chip->reg_lock);
1970
1971 im->regs[ALI_MISCINT >> 2] = inl(ALI_REG(chip, ALI_MISCINT));
1972 /* im->regs[ALI_START >> 2] = inl(ALI_REG(chip, ALI_START)); */
1973 im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP));
1974
1975 /* disable all IRQ bits */
1976 outl(0, ALI_REG(chip, ALI_MISCINT));
1977
1978 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
1979 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP))
1980 continue;
1981 im->regs[i] = inl(ALI_REG(chip, i*4));
1982 }
1983
1984 for (i = 0; i < ALI_CHANNELS; i++) {
1985 outb(i, ALI_REG(chip, ALI_GC_CIR));
1986 for (j = 0; j < ALI_CHANNEL_REGS; j++)
1987 im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0));
1988 }
1989
1990 /* stop all HW channel */
1991 outl(0xffffffff, ALI_REG(chip, ALI_STOP));
1992
1993 spin_unlock_irq(&chip->reg_lock);
1994
1995 pci_disable_device(pci);
1996 pci_save_state(pci);
1997 pci_set_power_state(pci, pci_choose_state(pci, state));
1998 return 0;
1999 }
2000
2001 static int ali_resume(struct pci_dev *pci)
2002 {
2003 struct snd_card *card = pci_get_drvdata(pci);
2004 struct snd_ali *chip = card->private_data;
2005 struct snd_ali_image *im;
2006 int i, j;
2007
2008 im = chip->image;
2009 if (!im)
2010 return 0;
2011
2012 pci_set_power_state(pci, PCI_D0);
2013 pci_restore_state(pci);
2014 if (pci_enable_device(pci) < 0) {
2015 printk(KERN_ERR "ali5451: pci_enable_device failed, "
2016 "disabling device\n");
2017 snd_card_disconnect(card);
2018 return -EIO;
2019 }
2020 pci_set_master(pci);
2021
2022 spin_lock_irq(&chip->reg_lock);
2023
2024 for (i = 0; i < ALI_CHANNELS; i++) {
2025 outb(i, ALI_REG(chip, ALI_GC_CIR));
2026 for (j = 0; j < ALI_CHANNEL_REGS; j++)
2027 outl(im->channel_regs[i][j], ALI_REG(chip, j*4 + 0xe0));
2028 }
2029
2030 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
2031 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) ||
2032 (i*4 == ALI_START))
2033 continue;
2034 outl(im->regs[i], ALI_REG(chip, i*4));
2035 }
2036
2037 /* start HW channel */
2038 outl(im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START));
2039 /* restore IRQ enable bits */
2040 outl(im->regs[ALI_MISCINT >> 2], ALI_REG(chip, ALI_MISCINT));
2041
2042 spin_unlock_irq(&chip->reg_lock);
2043
2044 for (i = 0 ; i < chip->num_of_codecs; i++)
2045 snd_ac97_resume(chip->ac97[i]);
2046
2047 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2048 return 0;
2049 }
2050 #endif /* CONFIG_PM */
2051
2052 static int snd_ali_free(struct snd_ali * codec)
2053 {
2054 if (codec->hw_initialized)
2055 snd_ali_disable_address_interrupt(codec);
2056 if (codec->irq >= 0)
2057 free_irq(codec->irq, codec);
2058 if (codec->port)
2059 pci_release_regions(codec->pci);
2060 pci_disable_device(codec->pci);
2061 #ifdef CONFIG_PM
2062 kfree(codec->image);
2063 #endif
2064 pci_dev_put(codec->pci_m1533);
2065 pci_dev_put(codec->pci_m7101);
2066 kfree(codec);
2067 return 0;
2068 }
2069
2070 static int snd_ali_chip_init(struct snd_ali *codec)
2071 {
2072 unsigned int legacy;
2073 unsigned char temp;
2074 struct pci_dev *pci_dev;
2075
2076 snd_ali_printk("chip initializing ... \n");
2077
2078 if (snd_ali_reset_5451(codec)) {
2079 snd_printk(KERN_ERR "ali_chip_init: reset 5451 error.\n");
2080 return -1;
2081 }
2082
2083 if (codec->revision == ALI_5451_V02) {
2084 pci_dev = codec->pci_m1533;
2085 pci_read_config_byte(pci_dev, 0x59, &temp);
2086 temp |= 0x80;
2087 pci_write_config_byte(pci_dev, 0x59, temp);
2088
2089 pci_dev = codec->pci_m7101;
2090 pci_read_config_byte(pci_dev, 0xb8, &temp);
2091 temp |= 0x20;
2092 pci_write_config_byte(pci_dev, 0xB8, temp);
2093 }
2094
2095 pci_read_config_dword(codec->pci, 0x44, &legacy);
2096 legacy &= 0xff00ff00;
2097 legacy |= 0x000800aa;
2098 pci_write_config_dword(codec->pci, 0x44, legacy);
2099
2100 outl(0x80000001, ALI_REG(codec, ALI_GLOBAL_CONTROL));
2101 outl(0x00000000, ALI_REG(codec, ALI_AINTEN));
2102 outl(0xffffffff, ALI_REG(codec, ALI_AINT));
2103 outl(0x00000000, ALI_REG(codec, ALI_VOLUME));
2104 outb(0x10, ALI_REG(codec, ALI_MPUR2));
2105
2106 codec->ac97_ext_id = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_ID);
2107 codec->ac97_ext_status = snd_ali_codec_peek(codec, 0,
2108 AC97_EXTENDED_STATUS);
2109 if (codec->spdif_support) {
2110 snd_ali_enable_spdif_out(codec);
2111 codec->spdif_mask = 0x00000002;
2112 }
2113
2114 codec->num_of_codecs = 1;
2115
2116 /* secondary codec - modem */
2117 if (inl(ALI_REG(codec, ALI_SCTRL)) & ALI_SCTRL_CODEC2_READY) {
2118 codec->num_of_codecs++;
2119 outl(inl(ALI_REG(codec, ALI_SCTRL)) |
2120 (ALI_SCTRL_LINE_IN2 | ALI_SCTRL_GPIO_IN2 |
2121 ALI_SCTRL_LINE_OUT_EN),
2122 ALI_REG(codec, ALI_SCTRL));
2123 }
2124
2125 snd_ali_printk("chip initialize succeed.\n");
2126 return 0;
2127
2128 }
2129
2130 /* proc for register dump */
2131 static void snd_ali_proc_read(struct snd_info_entry *entry,
2132 struct snd_info_buffer *buf)
2133 {
2134 struct snd_ali *codec = entry->private_data;
2135 int i;
2136 for (i = 0; i < 256 ; i+= 4)
2137 snd_iprintf(buf, "%02x: %08x\n", i, inl(ALI_REG(codec, i)));
2138 }
2139
2140 static void __devinit snd_ali_proc_init(struct snd_ali *codec)
2141 {
2142 struct snd_info_entry *entry;
2143 if (!snd_card_proc_new(codec->card, "ali5451", &entry))
2144 snd_info_set_text_ops(entry, codec, snd_ali_proc_read);
2145 }
2146
2147 static int __devinit snd_ali_resources(struct snd_ali *codec)
2148 {
2149 int err;
2150
2151 snd_ali_printk("resources allocation ...\n");
2152 err = pci_request_regions(codec->pci, "ALI 5451");
2153 if (err < 0)
2154 return err;
2155 codec->port = pci_resource_start(codec->pci, 0);
2156
2157 if (request_irq(codec->pci->irq, snd_ali_card_interrupt,
2158 IRQF_SHARED, "ALI 5451", codec)) {
2159 snd_printk(KERN_ERR "Unable to request irq.\n");
2160 return -EBUSY;
2161 }
2162 codec->irq = codec->pci->irq;
2163 snd_ali_printk("resources allocated.\n");
2164 return 0;
2165 }
2166 static int snd_ali_dev_free(struct snd_device *device)
2167 {
2168 struct snd_ali *codec = device->device_data;
2169 snd_ali_free(codec);
2170 return 0;
2171 }
2172
2173 static int __devinit snd_ali_create(struct snd_card *card,
2174 struct pci_dev *pci,
2175 int pcm_streams,
2176 int spdif_support,
2177 struct snd_ali ** r_ali)
2178 {
2179 struct snd_ali *codec;
2180 int i, err;
2181 unsigned short cmdw;
2182 static struct snd_device_ops ops = {
2183 .dev_free = snd_ali_dev_free,
2184 };
2185
2186 *r_ali = NULL;
2187
2188 snd_ali_printk("creating ...\n");
2189
2190 /* enable PCI device */
2191 err = pci_enable_device(pci);
2192 if (err < 0)
2193 return err;
2194 /* check, if we can restrict PCI DMA transfers to 31 bits */
2195 if (pci_set_dma_mask(pci, DMA_BIT_MASK(31)) < 0 ||
2196 pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(31)) < 0) {
2197 snd_printk(KERN_ERR "architecture does not support "
2198 "31bit PCI busmaster DMA\n");
2199 pci_disable_device(pci);
2200 return -ENXIO;
2201 }
2202
2203 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
2204 if (!codec) {
2205 pci_disable_device(pci);
2206 return -ENOMEM;
2207 }
2208
2209 spin_lock_init(&codec->reg_lock);
2210 spin_lock_init(&codec->voice_alloc);
2211
2212 codec->card = card;
2213 codec->pci = pci;
2214 codec->irq = -1;
2215 codec->revision = pci->revision;
2216 codec->spdif_support = spdif_support;
2217
2218 if (pcm_streams < 1)
2219 pcm_streams = 1;
2220 if (pcm_streams > 32)
2221 pcm_streams = 32;
2222
2223 pci_set_master(pci);
2224 pci_read_config_word(pci, PCI_COMMAND, &cmdw);
2225 if ((cmdw & PCI_COMMAND_IO) != PCI_COMMAND_IO) {
2226 cmdw |= PCI_COMMAND_IO;
2227 pci_write_config_word(pci, PCI_COMMAND, cmdw);
2228 }
2229 pci_set_master(pci);
2230
2231 if (snd_ali_resources(codec)) {
2232 snd_ali_free(codec);
2233 return -EBUSY;
2234 }
2235
2236 synchronize_irq(pci->irq);
2237
2238 codec->synth.chmap = 0;
2239 codec->synth.chcnt = 0;
2240 codec->spdif_mask = 0;
2241 codec->synth.synthcount = 0;
2242
2243 if (codec->revision == ALI_5451_V02)
2244 codec->chregs.regs.ac97read = ALI_AC97_WRITE;
2245 else
2246 codec->chregs.regs.ac97read = ALI_AC97_READ;
2247 codec->chregs.regs.ac97write = ALI_AC97_WRITE;
2248
2249 codec->chregs.regs.start = ALI_START;
2250 codec->chregs.regs.stop = ALI_STOP;
2251 codec->chregs.regs.aint = ALI_AINT;
2252 codec->chregs.regs.ainten = ALI_AINTEN;
2253
2254 codec->chregs.data.start = 0x00;
2255 codec->chregs.data.stop = 0x00;
2256 codec->chregs.data.aint = 0x00;
2257 codec->chregs.data.ainten = 0x00;
2258
2259 /* M1533: southbridge */
2260 codec->pci_m1533 = pci_get_device(0x10b9, 0x1533, NULL);
2261 if (!codec->pci_m1533) {
2262 snd_printk(KERN_ERR "ali5451: cannot find ALi 1533 chip.\n");
2263 snd_ali_free(codec);
2264 return -ENODEV;
2265 }
2266 /* M7101: power management */
2267 codec->pci_m7101 = pci_get_device(0x10b9, 0x7101, NULL);
2268 if (!codec->pci_m7101 && codec->revision == ALI_5451_V02) {
2269 snd_printk(KERN_ERR "ali5451: cannot find ALi 7101 chip.\n");
2270 snd_ali_free(codec);
2271 return -ENODEV;
2272 }
2273
2274 snd_ali_printk("snd_device_new is called.\n");
2275 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops);
2276 if (err < 0) {
2277 snd_ali_free(codec);
2278 return err;
2279 }
2280
2281 snd_card_set_dev(card, &pci->dev);
2282
2283 /* initialise synth voices*/
2284 for (i = 0; i < ALI_CHANNELS; i++)
2285 codec->synth.voices[i].number = i;
2286
2287 err = snd_ali_chip_init(codec);
2288 if (err < 0) {
2289 snd_printk(KERN_ERR "ali create: chip init error.\n");
2290 return err;
2291 }
2292
2293 #ifdef CONFIG_PM
2294 codec->image = kmalloc(sizeof(*codec->image), GFP_KERNEL);
2295 if (!codec->image)
2296 snd_printk(KERN_WARNING "can't allocate apm buffer\n");
2297 #endif
2298
2299 snd_ali_enable_address_interrupt(codec);
2300 codec->hw_initialized = 1;
2301
2302 *r_ali = codec;
2303 snd_ali_printk("created.\n");
2304 return 0;
2305 }
2306
2307 static int __devinit snd_ali_probe(struct pci_dev *pci,
2308 const struct pci_device_id *pci_id)
2309 {
2310 struct snd_card *card;
2311 struct snd_ali *codec;
2312 int err;
2313
2314 snd_ali_printk("probe ...\n");
2315
2316 err = snd_card_create(index, id, THIS_MODULE, 0, &card);
2317 if (err < 0)
2318 return err;
2319
2320 err = snd_ali_create(card, pci, pcm_channels, spdif, &codec);
2321 if (err < 0)
2322 goto error;
2323 card->private_data = codec;
2324
2325 snd_ali_printk("mixer building ...\n");
2326 err = snd_ali_mixer(codec);
2327 if (err < 0)
2328 goto error;
2329
2330 snd_ali_printk("pcm building ...\n");
2331 err = snd_ali_build_pcms(codec);
2332 if (err < 0)
2333 goto error;
2334
2335 snd_ali_proc_init(codec);
2336
2337 strcpy(card->driver, "ALI5451");
2338 strcpy(card->shortname, "ALI 5451");
2339
2340 sprintf(card->longname, "%s at 0x%lx, irq %i",
2341 card->shortname, codec->port, codec->irq);
2342
2343 snd_ali_printk("register card.\n");
2344 err = snd_card_register(card);
2345 if (err < 0)
2346 goto error;
2347
2348 pci_set_drvdata(pci, card);
2349 return 0;
2350
2351 error:
2352 snd_card_free(card);
2353 return err;
2354 }
2355
2356 static void __devexit snd_ali_remove(struct pci_dev *pci)
2357 {
2358 snd_card_free(pci_get_drvdata(pci));
2359 pci_set_drvdata(pci, NULL);
2360 }
2361
2362 static struct pci_driver driver = {
2363 .name = "ALI 5451",
2364 .id_table = snd_ali_ids,
2365 .probe = snd_ali_probe,
2366 .remove = __devexit_p(snd_ali_remove),
2367 #ifdef CONFIG_PM
2368 .suspend = ali_suspend,
2369 .resume = ali_resume,
2370 #endif
2371 };
2372
2373 static int __init alsa_card_ali_init(void)
2374 {
2375 return pci_register_driver(&driver);
2376 }
2377
2378 static void __exit alsa_card_ali_exit(void)
2379 {
2380 pci_unregister_driver(&driver);
2381 }
2382
2383 module_init(alsa_card_ali_init)
2384 module_exit(alsa_card_ali_exit)
2385
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