source: GPL/trunk/alsa-kernel/pci/ali5451/ali5451.c@ 598

Last change on this file since 598 was 598, checked in by David Azarewicz, 8 years ago

Merged/reintegrated v2 branch into trunk. Trunk is now v2
File size: 58.9 KB
Line 
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
43MODULE_AUTHOR("Matt Wu <Matt_Wu@acersoftech.com.cn>");
44MODULE_DESCRIPTION("ALI M5451");
45MODULE_LICENSE("GPL");
46MODULE_SUPPORTED_DEVICE("{{ALI,M5451,pci},{ALI,M5451}}");
47
48static int index = SNDRV_DEFAULT_IDX1; /* Index */
49static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */
50static int pcm_channels = 32;
51static int spdif;
52
53module_param(index, int, 0444);
54MODULE_PARM_DESC(index, "Index value for ALI M5451 PCI Audio.");
55module_param(id, charp, 0444);
56MODULE_PARM_DESC(id, "ID string for ALI M5451 PCI Audio.");
57module_param(pcm_channels, int, 0444);
58MODULE_PARM_DESC(pcm_channels, "PCM Channels");
59module_param(spdif, bool, 0444);
60MODULE_PARM_DESC(spdif, "Support SPDIF I/O");
61
62/* just for backward compatibility */
63//static int enable;
64module_param(enable, bool, 0444);
65
66
67/*
68 * Debug part definitions
69 */
70
71/* #define ALI_DEBUG */
72
73#ifndef TARGET_OS2
74#ifdef ALI_DEBUG
75#define snd_ali_printk(format, args...) printk(KERN_DEBUG format, ##args);
76#else
77#define snd_ali_printk(format, args...)
78#endif
79#else
80#ifdef ALI_DEBUG
81#define snd_ali_printk printk
82#else
83#define snd_ali_printk 1 ? (void)0 : (void)((int (*)(char *, ...)) NULL)
84#endif
85#endif
86
87/*
88 * Constants definition
89 */
90
91#define DEVICE_ID_ALI5451 ((PCI_VENDOR_ID_AL<<16)|PCI_DEVICE_ID_AL_M5451)
92
93
94#define ALI_CHANNELS 32
95
96#define ALI_PCM_IN_CHANNEL 31
97#define ALI_SPDIF_IN_CHANNEL 19
98#define ALI_SPDIF_OUT_CHANNEL 15
99#define ALI_CENTER_CHANNEL 24
100#define ALI_LEF_CHANNEL 23
101#define ALI_SURR_LEFT_CHANNEL 26
102#define ALI_SURR_RIGHT_CHANNEL 25
103#define ALI_MODEM_IN_CHANNEL 21
104#define ALI_MODEM_OUT_CHANNEL 20
105
106#define SNDRV_ALI_VOICE_TYPE_PCM 01
107#define SNDRV_ALI_VOICE_TYPE_OTH 02
108
109#define ALI_5451_V02 0x02
110
111/*
112 * Direct Registers
113 */
114
115#define ALI_LEGACY_DMAR0 0x00 /* ADR0 */
116#define ALI_LEGACY_DMAR4 0x04 /* CNT0 */
117#define ALI_LEGACY_DMAR11 0x0b /* MOD */
118#define ALI_LEGACY_DMAR15 0x0f /* MMR */
119#define ALI_MPUR0 0x20
120#define ALI_MPUR1 0x21
121#define ALI_MPUR2 0x22
122#define ALI_MPUR3 0x23
123
124#define ALI_AC97_WRITE 0x40
125#define ALI_AC97_READ 0x44
126
127#define ALI_SCTRL 0x48
128#define ALI_SPDIF_OUT_ENABLE 0x20
129#define ALI_SCTRL_LINE_IN2 (1 << 9)
130#define ALI_SCTRL_GPIO_IN2 (1 << 13)
131#define ALI_SCTRL_LINE_OUT_EN (1 << 20)
132#define ALI_SCTRL_GPIO_OUT_EN (1 << 23)
133#define ALI_SCTRL_CODEC1_READY (1 << 24)
134#define ALI_SCTRL_CODEC2_READY (1 << 25)
135#define ALI_AC97_GPIO 0x4c
136#define ALI_AC97_GPIO_ENABLE 0x8000
137#define ALI_AC97_GPIO_DATA_SHIFT 16
138#define ALI_SPDIF_CS 0x70
139#define ALI_SPDIF_CTRL 0x74
140#define ALI_SPDIF_IN_FUNC_ENABLE 0x02
141#define ALI_SPDIF_IN_CH_STATUS 0x40
142#define ALI_SPDIF_OUT_CH_STATUS 0xbf
143#define ALI_START 0x80
144#define ALI_STOP 0x84
145#define ALI_CSPF 0x90
146#define ALI_AINT 0x98
147#define ALI_GC_CIR 0xa0
148 #define ENDLP_IE 0x00001000
149 #define MIDLP_IE 0x00002000
150#define ALI_AINTEN 0xa4
151#define ALI_VOLUME 0xa8
152#define ALI_SBDELTA_DELTA_R 0xac
153#define ALI_MISCINT 0xb0
154 #define ADDRESS_IRQ 0x00000020
155 #define TARGET_REACHED 0x00008000
156 #define MIXER_OVERFLOW 0x00000800
157 #define MIXER_UNDERFLOW 0x00000400
158 #define GPIO_IRQ 0x01000000
159#define ALI_SBBL_SBCL 0xc0
160#define ALI_SBCTRL_SBE2R_SBDD 0xc4
161#define ALI_STIMER 0xc8
162#define ALI_GLOBAL_CONTROL 0xd4
163#define ALI_SPDIF_OUT_SEL_PCM 0x00000400 /* bit 10 */
164#define ALI_SPDIF_IN_SUPPORT 0x00000800 /* bit 11 */
165#define ALI_SPDIF_OUT_CH_ENABLE 0x00008000 /* bit 15 */
166#define ALI_SPDIF_IN_CH_ENABLE 0x00080000 /* bit 19 */
167#define ALI_PCM_IN_ENABLE 0x80000000 /* bit 31 */
168
169#define ALI_CSO_ALPHA_FMS 0xe0
170#define ALI_LBA 0xe4
171#define ALI_ESO_DELTA 0xe8
172#define ALI_GVSEL_PAN_VOC_CTRL_EC 0xf0
173#define ALI_EBUF1 0xf4
174#define ALI_EBUF2 0xf8
175
176#define ALI_REG(codec, x) ((codec)->port + x)
177
178#define MAX_CODECS 2
179
180
181struct snd_ali;
182struct snd_ali_voice;
183
184struct snd_ali_channel_control {
185 /* register data */
186 struct REGDATA {
187 unsigned int start;
188 unsigned int stop;
189 unsigned int aint;
190 unsigned int ainten;
191 } data;
192
193 /* register addresses */
194 struct REGS {
195 unsigned int start;
196 unsigned int stop;
197 unsigned int aint;
198 unsigned int ainten;
199 unsigned int ac97read;
200 unsigned int ac97write;
201 } regs;
202
203};
204
205struct snd_ali_voice {
206 unsigned int number;
207 unsigned int use :1,
208 pcm :1,
209 midi :1,
210 mode :1,
211 synth :1,
212 running :1;
213
214 /* PCM data */
215 struct snd_ali *codec;
216 struct snd_pcm_substream *substream;
217 struct snd_ali_voice *extra;
218
219 int eso; /* final ESO value for channel */
220 int count; /* runtime->period_size */
221
222 /* --- */
223
224 void *private_data;
225 void (*private_free)(void *private_data);
226};
227
228
229struct snd_alidev {
230
231 struct snd_ali_voice voices[ALI_CHANNELS];
232
233 unsigned int chcnt; /* num of opened channels */
234 unsigned int chmap; /* bitmap for opened channels */
235 unsigned int synthcount;
236
237};
238
239
240#define ALI_GLOBAL_REGS 56
241#define ALI_CHANNEL_REGS 8
242struct snd_ali_image {
243 u32 regs[ALI_GLOBAL_REGS];
244 u32 channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS];
245};
246
247
248struct snd_ali {
249 int irq;
250 unsigned long port;
251 unsigned char revision;
252
253 unsigned int hw_initialized :1;
254 unsigned int spdif_support :1;
255
256 struct pci_dev *pci;
257 struct pci_dev *pci_m1533;
258 struct pci_dev *pci_m7101;
259
260 struct snd_card *card;
261 struct snd_pcm *pcm[MAX_CODECS];
262 struct snd_alidev synth;
263 struct snd_ali_channel_control chregs;
264
265 /* S/PDIF Mask */
266 unsigned int spdif_mask;
267
268 unsigned int spurious_irq_count;
269 unsigned int spurious_irq_max_delta;
270
271 unsigned int num_of_codecs;
272
273 struct snd_ac97_bus *ac97_bus;
274 struct snd_ac97 *ac97[MAX_CODECS];
275 unsigned short ac97_ext_id;
276 unsigned short ac97_ext_status;
277
278 spinlock_t reg_lock;
279 spinlock_t voice_alloc;
280
281#ifdef CONFIG_PM
282 struct snd_ali_image *image;
283#endif
284};
285
286static DEFINE_PCI_DEVICE_TABLE(snd_ali_ids) = {
287 {PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5451), 0, 0, 0},
288 {0, }
289};
290MODULE_DEVICE_TABLE(pci, snd_ali_ids);
291
292static void snd_ali_clear_voices(struct snd_ali *, unsigned int, unsigned int);
293static unsigned short snd_ali_codec_peek(struct snd_ali *, int, unsigned short);
294static void snd_ali_codec_poke(struct snd_ali *, int, unsigned short,
295 unsigned short);
296
297/*
298 * AC97 ACCESS
299 */
300
301static inline unsigned int snd_ali_5451_peek(struct snd_ali *codec,
302 unsigned int port)
303{
304 return (unsigned int)inl(ALI_REG(codec, port));
305}
306
307static inline void snd_ali_5451_poke(struct snd_ali *codec,
308 unsigned int port,
309 unsigned int val)
310{
311 outl((unsigned int)val, ALI_REG(codec, port));
312}
313
314static int snd_ali_codec_ready(struct snd_ali *codec,
315 unsigned int port)
316{
317 unsigned long end_time;
318 unsigned int res;
319
320 end_time = jiffies + msecs_to_jiffies(250);
321
322 for (;;) {
323 res = snd_ali_5451_peek(codec,port);
324 if (!(res & 0x8000))
325 return 0;
326 if (!time_after_eq(end_time, jiffies))
327 break;
328 schedule_timeout_uninterruptible(1);
329 }
330
331 snd_ali_5451_poke(codec, port, res & ~0x8000);
332 snd_printdd("ali_codec_ready: codec is not ready.\n ");
333 return -EIO;
334}
335
336static int snd_ali_stimer_ready(struct snd_ali *codec)
337{
338 unsigned long end_time;
339 unsigned long dwChk1,dwChk2;
340
341 dwChk1 = snd_ali_5451_peek(codec, ALI_STIMER);
342 end_time = jiffies + msecs_to_jiffies(250);
343
344 for (;;) {
345 dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER);
346 if (dwChk2 != dwChk1)
347 return 0;
348 if (!time_after_eq(end_time, jiffies))
349 break;
350 schedule_timeout_uninterruptible(1);
351 }
352
353 snd_printk(KERN_ERR "ali_stimer_read: stimer is not ready.\n");
354 return -EIO;
355}
356
357static void snd_ali_codec_poke(struct snd_ali *codec,int secondary,
358 unsigned short reg,
359 unsigned short val)
360{
361 unsigned int dwVal;
362 unsigned int port;
363
364 if (reg >= 0x80) {
365 snd_printk(KERN_ERR "ali_codec_poke: reg(%xh) invalid.\n", reg);
366 return;
367 }
368
369 port = codec->chregs.regs.ac97write;
370
371 if (snd_ali_codec_ready(codec, port) < 0)
372 return;
373 if (snd_ali_stimer_ready(codec) < 0)
374 return;
375
376 dwVal = (unsigned int) (reg & 0xff);
377 dwVal |= 0x8000 | (val << 16);
378 if (secondary)
379 dwVal |= 0x0080;
380 if (codec->revision == ALI_5451_V02)
381 dwVal |= 0x0100;
382
383 snd_ali_5451_poke(codec, port, dwVal);
384
385 return ;
386}
387
388static unsigned short snd_ali_codec_peek(struct snd_ali *codec,
389 int secondary,
390 unsigned short reg)
391{
392 unsigned int dwVal;
393 unsigned int port;
394
395 if (reg >= 0x80) {
396 snd_printk(KERN_ERR "ali_codec_peek: reg(%xh) invalid.\n", reg);
397 return ~0;
398 }
399
400 port = codec->chregs.regs.ac97read;
401
402 if (snd_ali_codec_ready(codec, port) < 0)
403 return ~0;
404 if (snd_ali_stimer_ready(codec) < 0)
405 return ~0;
406
407 dwVal = (unsigned int) (reg & 0xff);
408 dwVal |= 0x8000; /* bit 15*/
409 if (secondary)
410 dwVal |= 0x0080;
411
412 snd_ali_5451_poke(codec, port, dwVal);
413
414 if (snd_ali_stimer_ready(codec) < 0)
415 return ~0;
416 if (snd_ali_codec_ready(codec, port) < 0)
417 return ~0;
418
419 return (snd_ali_5451_peek(codec, port) & 0xffff0000) >> 16;
420}
421
422static void snd_ali_codec_write(struct snd_ac97 *ac97,
423 unsigned short reg,
424 unsigned short val )
425{
426 struct snd_ali *codec = ac97->private_data;
427
428 snd_ali_printk("codec_write: reg=%xh data=%xh.\n", reg, val);
429 if (reg == AC97_GPIO_STATUS) {
430 outl((val << ALI_AC97_GPIO_DATA_SHIFT) | ALI_AC97_GPIO_ENABLE,
431 ALI_REG(codec, ALI_AC97_GPIO));
432 return;
433 }
434 snd_ali_codec_poke(codec, ac97->num, reg, val);
435 return ;
436}
437
438
439static unsigned short snd_ali_codec_read(struct snd_ac97 *ac97,
440 unsigned short reg)
441{
442 struct snd_ali *codec = ac97->private_data;
443
444 snd_ali_printk("codec_read reg=%xh.\n", reg);
445 return snd_ali_codec_peek(codec, ac97->num, reg);
446}
447
448/*
449 * AC97 Reset
450 */
451
452static int snd_ali_reset_5451(struct snd_ali *codec)
453{
454 struct pci_dev *pci_dev;
455 unsigned short wCount, wReg;
456 unsigned int dwVal;
457
458 pci_dev = codec->pci_m1533;
459 if (pci_dev) {
460 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
461 pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000);
462 udelay(5000);
463 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
464 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff);
465 udelay(5000);
466 }
467
468 pci_dev = codec->pci;
469 pci_read_config_dword(pci_dev, 0x44, &dwVal);
470 pci_write_config_dword(pci_dev, 0x44, dwVal | 0x000c0000);
471 udelay(500);
472 pci_read_config_dword(pci_dev, 0x44, &dwVal);
473 pci_write_config_dword(pci_dev, 0x44, dwVal & 0xfffbffff);
474 udelay(5000);
475
476 wCount = 200;
477 while(wCount--) {
478 wReg = snd_ali_codec_peek(codec, 0, AC97_POWERDOWN);
479 if ((wReg & 0x000f) == 0x000f)
480 return 0;
481 udelay(5000);
482 }
483
484 /* non-fatal if you have a non PM capable codec */
485 /* snd_printk(KERN_WARNING "ali5451: reset time out\n"); */
486 return 0;
487}
488
489/*
490 * ALI 5451 Controller
491 */
492
493static void snd_ali_enable_special_channel(struct snd_ali *codec,
494 unsigned int channel)
495{
496 unsigned long dwVal;
497
498 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
499 dwVal |= 1 << (channel & 0x0000001f);
500 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
501}
502
503static void snd_ali_disable_special_channel(struct snd_ali *codec,
504 unsigned int channel)
505{
506 unsigned long dwVal;
507
508 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
509 dwVal &= ~(1 << (channel & 0x0000001f));
510 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
511}
512
513static void snd_ali_enable_address_interrupt(struct snd_ali *codec)
514{
515 unsigned int gc;
516
517 gc = inl(ALI_REG(codec, ALI_GC_CIR));
518 gc |= ENDLP_IE;
519 gc |= MIDLP_IE;
520 outl( gc, ALI_REG(codec, ALI_GC_CIR));
521}
522
523static void snd_ali_disable_address_interrupt(struct snd_ali *codec)
524{
525 unsigned int gc;
526
527 gc = inl(ALI_REG(codec, ALI_GC_CIR));
528 gc &= ~ENDLP_IE;
529 gc &= ~MIDLP_IE;
530 outl(gc, ALI_REG(codec, ALI_GC_CIR));
531}
532
533static void snd_ali_disable_voice_irq(struct snd_ali *codec,
534 unsigned int channel)
535{
536 unsigned int mask;
537 struct snd_ali_channel_control *pchregs = &(codec->chregs);
538
539 snd_ali_printk("disable_voice_irq channel=%d\n",channel);
540
541 mask = 1 << (channel & 0x1f);
542 pchregs->data.ainten = inl(ALI_REG(codec, pchregs->regs.ainten));
543 pchregs->data.ainten &= ~mask;
544 outl(pchregs->data.ainten, ALI_REG(codec, pchregs->regs.ainten));
545}
546
547static int snd_ali_alloc_pcm_channel(struct snd_ali *codec, int channel)
548{
549 unsigned int idx = channel & 0x1f;
550
551 if (codec->synth.chcnt >= ALI_CHANNELS){
552 snd_printk(KERN_ERR
553 "ali_alloc_pcm_channel: no free channels.\n");
554 return -1;
555 }
556
557 if (!(codec->synth.chmap & (1 << idx))) {
558 codec->synth.chmap |= 1 << idx;
559 codec->synth.chcnt++;
560 snd_ali_printk("alloc_pcm_channel no. %d.\n",idx);
561 return idx;
562 }
563 return -1;
564}
565
566static int snd_ali_find_free_channel(struct snd_ali * codec, int rec)
567{
568 int idx;
569 int result = -1;
570
571 snd_ali_printk("find_free_channel: for %s\n",rec ? "rec" : "pcm");
572
573 /* recording */
574 if (rec) {
575 if (codec->spdif_support &&
576 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
577 ALI_SPDIF_IN_SUPPORT))
578 idx = ALI_SPDIF_IN_CHANNEL;
579 else
580 idx = ALI_PCM_IN_CHANNEL;
581
582 result = snd_ali_alloc_pcm_channel(codec, idx);
583 if (result >= 0)
584 return result;
585 else {
586 snd_printk(KERN_ERR "ali_find_free_channel: "
587 "record channel is busy now.\n");
588 return -1;
589 }
590 }
591
592 /* playback... */
593 if (codec->spdif_support &&
594 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
595 ALI_SPDIF_OUT_CH_ENABLE)) {
596 idx = ALI_SPDIF_OUT_CHANNEL;
597 result = snd_ali_alloc_pcm_channel(codec, idx);
598 if (result >= 0)
599 return result;
600 else
601 snd_printk(KERN_ERR "ali_find_free_channel: "
602 "S/PDIF out channel is in busy now.\n");
603 }
604
605 for (idx = 0; idx < ALI_CHANNELS; idx++) {
606 result = snd_ali_alloc_pcm_channel(codec, idx);
607 if (result >= 0)
608 return result;
609 }
610 snd_printk(KERN_ERR "ali_find_free_channel: no free channels.\n");
611 return -1;
612}
613
614static void snd_ali_free_channel_pcm(struct snd_ali *codec, int channel)
615{
616 unsigned int idx = channel & 0x0000001f;
617
618 snd_ali_printk("free_channel_pcm channel=%d\n",channel);
619
620 if (channel < 0 || channel >= ALI_CHANNELS)
621 return;
622
623 if (!(codec->synth.chmap & (1 << idx))) {
624 snd_printk(KERN_ERR "ali_free_channel_pcm: "
625 "channel %d is not in use.\n", channel);
626 return;
627 } else {
628 codec->synth.chmap &= ~(1 << idx);
629 codec->synth.chcnt--;
630 }
631}
632
633static void snd_ali_stop_voice(struct snd_ali *codec, unsigned int channel)
634{
635 unsigned int mask = 1 << (channel & 0x1f);
636
637 snd_ali_printk("stop_voice: channel=%d\n",channel);
638 outl(mask, ALI_REG(codec, codec->chregs.regs.stop));
639}
640
641/*
642 * S/PDIF Part
643 */
644
645static void snd_ali_delay(struct snd_ali *codec,int interval)
646{
647 unsigned long begintimer,currenttimer;
648
649 begintimer = inl(ALI_REG(codec, ALI_STIMER));
650 currenttimer = inl(ALI_REG(codec, ALI_STIMER));
651
652 while (currenttimer < begintimer + interval) {
653 if (snd_ali_stimer_ready(codec) < 0)
654 break;
655 currenttimer = inl(ALI_REG(codec, ALI_STIMER));
656 cpu_relax();
657 }
658}
659
660static void snd_ali_detect_spdif_rate(struct snd_ali *codec)
661{
662 u16 wval;
663 u16 count = 0;
664 u8 bval, R1 = 0, R2;
665
666 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1));
667 bval |= 0x1F;
668 outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL + 1));
669
670 while ((R1 < 0x0b || R1 > 0x0e) && R1 != 0x12 && count <= 50000) {
671 count ++;
672 snd_ali_delay(codec, 6);
673 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1));
674 R1 = bval & 0x1F;
675 }
676
677 if (count > 50000) {
678 snd_printk(KERN_ERR "ali_detect_spdif_rate: timeout!\n");
679 return;
680 }
681
682 for (count = 0; count <= 50000; count++) {
683 snd_ali_delay(codec, 6);
684 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1));
685 R2 = bval & 0x1F;
686 if (R2 != R1)
687 R1 = R2;
688 else
689 break;
690 }
691
692 if (count > 50000) {
693 snd_printk(KERN_ERR "ali_detect_spdif_rate: timeout!\n");
694 return;
695 }
696
697 if (R2 >= 0x0b && R2 <= 0x0e) {
698 wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2));
699 wval &= 0xe0f0;
700 wval |= (0x09 << 8) | 0x05;
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 | 0x02, ALI_REG(codec, ALI_SPDIF_CS + 3));
705 } else if (R2 == 0x12) {
706 wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2));
707 wval &= 0xe0f0;
708 wval |= (0x0e << 8) | 0x08;
709 outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2));
710
711 bval = inb(ALI_REG(codec,ALI_SPDIF_CS + 3)) & 0xf0;
712 outb(bval | 0x03, ALI_REG(codec, ALI_SPDIF_CS + 3));
713 }
714}
715
716static unsigned int snd_ali_get_spdif_in_rate(struct snd_ali *codec)
717{
718 u32 dwRate;
719 u8 bval;
720
721 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
722 bval &= 0x7f;
723 bval |= 0x40;
724 outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL));
725
726 snd_ali_detect_spdif_rate(codec);
727
728 bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3));
729 bval &= 0x0f;
730
731 switch (bval) {
732 case 0: dwRate = 44100; break;
733 case 1: dwRate = 48000; break;
734 case 2: dwRate = 32000; break;
735 default: dwRate = 0; break;
736 }
737
738 return dwRate;
739}
740
741static void snd_ali_enable_spdif_in(struct snd_ali *codec)
742{
743 unsigned int dwVal;
744
745 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
746 dwVal |= ALI_SPDIF_IN_SUPPORT;
747 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
748
749 dwVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
750 dwVal |= 0x02;
751 outb(dwVal, ALI_REG(codec, ALI_SPDIF_CTRL));
752
753 snd_ali_enable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
754}
755
756static void snd_ali_disable_spdif_in(struct snd_ali *codec)
757{
758 unsigned int dwVal;
759
760 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
761 dwVal &= ~ALI_SPDIF_IN_SUPPORT;
762 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
763
764 snd_ali_disable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
765}
766
767
768static void snd_ali_set_spdif_out_rate(struct snd_ali *codec, unsigned int rate)
769{
770 unsigned char bVal;
771 unsigned int dwRate;
772
773 switch (rate) {
774 case 32000: dwRate = 0x300; break;
775 case 48000: dwRate = 0x200; break;
776 default: dwRate = 0; break;
777 }
778
779 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
780 bVal &= (unsigned char)(~(1<<6));
781
782 bVal |= 0x80; /* select right */
783 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
784 outb(dwRate | 0x20, ALI_REG(codec, ALI_SPDIF_CS + 2));
785
786 bVal &= ~0x80; /* select left */
787 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
788 outw(rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2));
789}
790
791static void snd_ali_enable_spdif_out(struct snd_ali *codec)
792{
793 unsigned short wVal;
794 unsigned char bVal;
795 struct pci_dev *pci_dev;
796
797 pci_dev = codec->pci_m1533;
798 if (pci_dev == NULL)
799 return;
800 pci_read_config_byte(pci_dev, 0x61, &bVal);
801 bVal |= 0x40;
802 pci_write_config_byte(pci_dev, 0x61, bVal);
803 pci_read_config_byte(pci_dev, 0x7d, &bVal);
804 bVal |= 0x01;
805 pci_write_config_byte(pci_dev, 0x7d, bVal);
806
807 pci_read_config_byte(pci_dev, 0x7e, &bVal);
808 bVal &= (~0x20);
809 bVal |= 0x10;
810 pci_write_config_byte(pci_dev, 0x7e, bVal);
811
812 bVal = inb(ALI_REG(codec, ALI_SCTRL));
813 outb(bVal | ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
814
815 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
816 outb(bVal & ALI_SPDIF_OUT_CH_STATUS, ALI_REG(codec, ALI_SPDIF_CTRL));
817
818 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
819 wVal |= ALI_SPDIF_OUT_SEL_PCM;
820 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
821 snd_ali_disable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
822}
823
824static void snd_ali_enable_spdif_chnout(struct snd_ali *codec)
825{
826 unsigned short wVal;
827
828 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
829 wVal &= ~ALI_SPDIF_OUT_SEL_PCM;
830 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
831/*
832 wVal = inw(ALI_REG(codec, ALI_SPDIF_CS));
833 if (flag & ALI_SPDIF_OUT_NON_PCM)
834 wVal |= 0x0002;
835 else
836 wVal &= (~0x0002);
837 outw(wVal, ALI_REG(codec, ALI_SPDIF_CS));
838*/
839 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
840}
841
842static void snd_ali_disable_spdif_chnout(struct snd_ali *codec)
843{
844 unsigned short wVal;
845
846 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
847 wVal |= ALI_SPDIF_OUT_SEL_PCM;
848 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
849
850 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
851}
852
853static void snd_ali_disable_spdif_out(struct snd_ali *codec)
854{
855 unsigned char bVal;
856
857 bVal = inb(ALI_REG(codec, ALI_SCTRL));
858 outb(bVal & ~ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
859
860 snd_ali_disable_spdif_chnout(codec);
861}
862
863static void snd_ali_update_ptr(struct snd_ali *codec, int channel)
864{
865 struct snd_ali_voice *pvoice;
866 struct snd_pcm_runtime *runtime;
867 struct snd_ali_channel_control *pchregs;
868 unsigned int old, mask;
869#ifdef ALI_DEBUG
870 unsigned int temp, cspf;
871#endif
872
873 pchregs = &(codec->chregs);
874
875 /* check if interrupt occurred for channel */
876 old = pchregs->data.aint;
877 mask = 1U << (channel & 0x1f);
878
879 if (!(old & mask))
880 return;
881
882 pvoice = &codec->synth.voices[channel];
883 runtime = pvoice->substream->runtime;
884
885 udelay(100);
886 spin_lock(&codec->reg_lock);
887
888 if (pvoice->pcm && pvoice->substream) {
889 /* pcm interrupt */
890#ifdef ALI_DEBUG
891 outb((u8)(pvoice->number), ALI_REG(codec, ALI_GC_CIR));
892 temp = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
893 cspf = (inl(ALI_REG(codec, ALI_CSPF)) & mask) == mask;
894#endif
895 if (pvoice->running) {
896#ifdef ALI_DEBUG
897 snd_ali_printk("update_ptr: cso=%4.4x cspf=%d.\n",
898 (u16)temp, cspf);
899#endif
900 spin_unlock(&codec->reg_lock);
901 snd_pcm_period_elapsed(pvoice->substream);
902 spin_lock(&codec->reg_lock);
903 } else {
904 snd_ali_stop_voice(codec, channel);
905 snd_ali_disable_voice_irq(codec, channel);
906 }
907 } else if (codec->synth.voices[channel].synth) {
908 /* synth interrupt */
909 } else if (codec->synth.voices[channel].midi) {
910 /* midi interrupt */
911 } else {
912 /* unknown interrupt */
913 snd_ali_stop_voice(codec, channel);
914 snd_ali_disable_voice_irq(codec, channel);
915 }
916 spin_unlock(&codec->reg_lock);
917 outl(mask,ALI_REG(codec,pchregs->regs.aint));
918 pchregs->data.aint = old & (~mask);
919}
920
921static irqreturn_t snd_ali_card_interrupt(int irq, void *dev_id)
922{
923 struct snd_ali *codec = dev_id;
924 int channel;
925 unsigned int audio_int;
926 struct snd_ali_channel_control *pchregs;
927
928 if (codec == NULL || !codec->hw_initialized)
929 return IRQ_NONE;
930
931 audio_int = inl(ALI_REG(codec, ALI_MISCINT));
932 if (!audio_int)
933 return IRQ_NONE;
934
935 pchregs = &(codec->chregs);
936 if (audio_int & ADDRESS_IRQ) {
937 /* get interrupt status for all channels */
938 pchregs->data.aint = inl(ALI_REG(codec, pchregs->regs.aint));
939 for (channel = 0; channel < ALI_CHANNELS; channel++)
940 snd_ali_update_ptr(codec, channel);
941 }
942 outl((TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW),
943 ALI_REG(codec, ALI_MISCINT));
944
945 return IRQ_HANDLED;
946}
947
948
949static struct snd_ali_voice *snd_ali_alloc_voice(struct snd_ali * codec,
950 int type, int rec, int channel)
951{
952 struct snd_ali_voice *pvoice;
953 int idx;
954
955 snd_ali_printk("alloc_voice: type=%d rec=%d\n", type, rec);
956
957 spin_lock_irq(&codec->voice_alloc);
958 if (type == SNDRV_ALI_VOICE_TYPE_PCM) {
959 idx = channel > 0 ? snd_ali_alloc_pcm_channel(codec, channel) :
960 snd_ali_find_free_channel(codec,rec);
961 if (idx < 0) {
962 snd_printk(KERN_ERR "ali_alloc_voice: err.\n");
963 spin_unlock_irq(&codec->voice_alloc);
964 return NULL;
965 }
966 pvoice = &(codec->synth.voices[idx]);
967 pvoice->codec = codec;
968 pvoice->use = 1;
969 pvoice->pcm = 1;
970 pvoice->mode = rec;
971 spin_unlock_irq(&codec->voice_alloc);
972 return pvoice;
973 }
974 spin_unlock_irq(&codec->voice_alloc);
975 return NULL;
976}
977
978
979static void snd_ali_free_voice(struct snd_ali * codec,
980 struct snd_ali_voice *pvoice)
981{
982 void (*private_free)(void *);
983 void *private_data;
984
985 snd_ali_printk("free_voice: channel=%d\n",pvoice->number);
986 if (!pvoice->use)
987 return;
988 snd_ali_clear_voices(codec, pvoice->number, pvoice->number);
989 spin_lock_irq(&codec->voice_alloc);
990 private_free = pvoice->private_free;
991 private_data = pvoice->private_data;
992 pvoice->private_free = NULL;
993 pvoice->private_data = NULL;
994 if (pvoice->pcm)
995 snd_ali_free_channel_pcm(codec, pvoice->number);
996 pvoice->use = pvoice->pcm = pvoice->synth = 0;
997 pvoice->substream = NULL;
998 spin_unlock_irq(&codec->voice_alloc);
999 if (private_free)
1000 private_free(private_data);
1001}
1002
1003
1004static void snd_ali_clear_voices(struct snd_ali *codec,
1005 unsigned int v_min,
1006 unsigned int v_max)
1007{
1008 unsigned int i;
1009
1010 for (i = v_min; i <= v_max; i++) {
1011 snd_ali_stop_voice(codec, i);
1012 snd_ali_disable_voice_irq(codec, i);
1013 }
1014}
1015
1016static void snd_ali_write_voice_regs(struct snd_ali *codec,
1017 unsigned int Channel,
1018 unsigned int LBA,
1019 unsigned int CSO,
1020 unsigned int ESO,
1021 unsigned int DELTA,
1022 unsigned int ALPHA_FMS,
1023 unsigned int GVSEL,
1024 unsigned int PAN,
1025 unsigned int VOL,
1026 unsigned int CTRL,
1027 unsigned int EC)
1028{
1029 unsigned int ctlcmds[4];
1030
1031 outb((unsigned char)(Channel & 0x001f), ALI_REG(codec, ALI_GC_CIR));
1032
1033 ctlcmds[0] = (CSO << 16) | (ALPHA_FMS & 0x0000ffff);
1034 ctlcmds[1] = LBA;
1035 ctlcmds[2] = (ESO << 16) | (DELTA & 0x0ffff);
1036 ctlcmds[3] = (GVSEL << 31) |
1037 ((PAN & 0x0000007f) << 24) |
1038 ((VOL & 0x000000ff) << 16) |
1039 ((CTRL & 0x0000000f) << 12) |
1040 (EC & 0x00000fff);
1041
1042 outb(Channel, ALI_REG(codec, ALI_GC_CIR));
1043
1044 outl(ctlcmds[0], ALI_REG(codec, ALI_CSO_ALPHA_FMS));
1045 outl(ctlcmds[1], ALI_REG(codec, ALI_LBA));
1046 outl(ctlcmds[2], ALI_REG(codec, ALI_ESO_DELTA));
1047 outl(ctlcmds[3], ALI_REG(codec, ALI_GVSEL_PAN_VOC_CTRL_EC));
1048
1049 outl(0x30000000, ALI_REG(codec, ALI_EBUF1)); /* Still Mode */
1050 outl(0x30000000, ALI_REG(codec, ALI_EBUF2)); /* Still Mode */
1051}
1052
1053static unsigned int snd_ali_convert_rate(unsigned int rate, int rec)
1054{
1055 unsigned int delta;
1056
1057 if (rate < 4000)
1058 rate = 4000;
1059 if (rate > 48000)
1060 rate = 48000;
1061
1062 if (rec) {
1063 if (rate == 44100)
1064 delta = 0x116a;
1065 else if (rate == 8000)
1066 delta = 0x6000;
1067 else if (rate == 48000)
1068 delta = 0x1000;
1069 else
1070 delta = ((48000 << 12) / rate) & 0x0000ffff;
1071 } else {
1072 if (rate == 44100)
1073 delta = 0xeb3;
1074 else if (rate == 8000)
1075 delta = 0x2ab;
1076 else if (rate == 48000)
1077 delta = 0x1000;
1078 else
1079 delta = (((rate << 12) + rate) / 48000) & 0x0000ffff;
1080 }
1081
1082 return delta;
1083}
1084
1085static unsigned int snd_ali_control_mode(struct snd_pcm_substream *substream)
1086{
1087 unsigned int CTRL;
1088 struct snd_pcm_runtime *runtime = substream->runtime;
1089
1090 /* set ctrl mode
1091 CTRL default: 8-bit (unsigned) mono, loop mode enabled
1092 */
1093 CTRL = 0x00000001;
1094 if (snd_pcm_format_width(runtime->format) == 16)
1095 CTRL |= 0x00000008; /* 16-bit data */
1096 if (!snd_pcm_format_unsigned(runtime->format))
1097 CTRL |= 0x00000002; /* signed data */
1098 if (runtime->channels > 1)
1099 CTRL |= 0x00000004; /* stereo data */
1100 return CTRL;
1101}
1102
1103/*
1104 * PCM part
1105 */
1106
1107static int snd_ali_trigger(struct snd_pcm_substream *substream,
1108 int cmd)
1109
1110{
1111 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1112 struct snd_pcm_substream *s;
1113 unsigned int what, whati, capture_flag;
1114 struct snd_ali_voice *pvoice, *evoice;
1115 unsigned int val;
1116 int do_start;
1117
1118 switch (cmd) {
1119 case SNDRV_PCM_TRIGGER_START:
1120 case SNDRV_PCM_TRIGGER_RESUME:
1121 do_start = 1;
1122 break;
1123 case SNDRV_PCM_TRIGGER_STOP:
1124 case SNDRV_PCM_TRIGGER_SUSPEND:
1125 do_start = 0;
1126 break;
1127 default:
1128 return -EINVAL;
1129 }
1130
1131 what = whati = capture_flag = 0;
1132 snd_pcm_group_for_each_entry(s, substream) {
1133 if ((struct snd_ali *) snd_pcm_substream_chip(s) == codec) {
1134 pvoice = s->runtime->private_data;
1135 evoice = pvoice->extra;
1136 what |= 1 << (pvoice->number & 0x1f);
1137 if (evoice == NULL)
1138 whati |= 1 << (pvoice->number & 0x1f);
1139 else {
1140 whati |= 1 << (evoice->number & 0x1f);
1141 what |= 1 << (evoice->number & 0x1f);
1142 }
1143 if (do_start) {
1144 pvoice->running = 1;
1145 if (evoice != NULL)
1146 evoice->running = 1;
1147 } else {
1148 pvoice->running = 0;
1149 if (evoice != NULL)
1150 evoice->running = 0;
1151 }
1152 snd_pcm_trigger_done(s, substream);
1153 if (pvoice->mode)
1154 capture_flag = 1;
1155 }
1156 }
1157 spin_lock(&codec->reg_lock);
1158 if (!do_start)
1159 outl(what, ALI_REG(codec, ALI_STOP));
1160 val = inl(ALI_REG(codec, ALI_AINTEN));
1161 if (do_start)
1162 val |= whati;
1163 else
1164 val &= ~whati;
1165 outl(val, ALI_REG(codec, ALI_AINTEN));
1166 if (do_start)
1167 outl(what, ALI_REG(codec, ALI_START));
1168 snd_ali_printk("trigger: what=%xh whati=%xh\n", what, whati);
1169 spin_unlock(&codec->reg_lock);
1170
1171 return 0;
1172}
1173
1174static int snd_ali_playback_hw_params(struct snd_pcm_substream *substream,
1175 struct snd_pcm_hw_params *hw_params)
1176{
1177 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1178 struct snd_pcm_runtime *runtime = substream->runtime;
1179 struct snd_ali_voice *pvoice = runtime->private_data;
1180 struct snd_ali_voice *evoice = pvoice->extra;
1181 int err;
1182
1183 err = snd_pcm_lib_malloc_pages(substream,
1184 params_buffer_bytes(hw_params));
1185 if (err < 0)
1186 return err;
1187
1188 /* voice management */
1189
1190 if (params_buffer_size(hw_params) / 2 !=
1191 params_period_size(hw_params)) {
1192 if (!evoice) {
1193 evoice = snd_ali_alloc_voice(codec,
1194 SNDRV_ALI_VOICE_TYPE_PCM,
1195 0, -1);
1196 if (!evoice)
1197 return -ENOMEM;
1198 pvoice->extra = evoice;
1199 evoice->substream = substream;
1200 }
1201 } else {
1202 if (evoice) {
1203 snd_ali_free_voice(codec, evoice);
1204 pvoice->extra = evoice = NULL;
1205 }
1206 }
1207
1208 return 0;
1209}
1210
1211static int snd_ali_playback_hw_free(struct snd_pcm_substream *substream)
1212{
1213 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1214 struct snd_pcm_runtime *runtime = substream->runtime;
1215 struct snd_ali_voice *pvoice = runtime->private_data;
1216 struct snd_ali_voice *evoice = pvoice ? pvoice->extra : NULL;
1217
1218 snd_pcm_lib_free_pages(substream);
1219 if (evoice) {
1220 snd_ali_free_voice(codec, evoice);
1221 pvoice->extra = NULL;
1222 }
1223 return 0;
1224}
1225
1226static int snd_ali_hw_params(struct snd_pcm_substream *substream,
1227 struct snd_pcm_hw_params *hw_params)
1228{
1229 return snd_pcm_lib_malloc_pages(substream,
1230 params_buffer_bytes(hw_params));
1231}
1232
1233static int snd_ali_hw_free(struct snd_pcm_substream *substream)
1234{
1235 return snd_pcm_lib_free_pages(substream);
1236}
1237
1238static int snd_ali_playback_prepare(struct snd_pcm_substream *substream)
1239{
1240 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1241 struct snd_pcm_runtime *runtime = substream->runtime;
1242 struct snd_ali_voice *pvoice = runtime->private_data;
1243 struct snd_ali_voice *evoice = pvoice->extra;
1244
1245 unsigned int LBA;
1246 unsigned int Delta;
1247 unsigned int ESO;
1248 unsigned int CTRL;
1249 unsigned int GVSEL;
1250 unsigned int PAN;
1251 unsigned int VOL;
1252 unsigned int EC;
1253
1254 snd_ali_printk("playback_prepare ...\n");
1255
1256 spin_lock_irq(&codec->reg_lock);
1257
1258 /* set Delta (rate) value */
1259 Delta = snd_ali_convert_rate(runtime->rate, 0);
1260
1261 if (pvoice->number == ALI_SPDIF_IN_CHANNEL ||
1262 pvoice->number == ALI_PCM_IN_CHANNEL)
1263 snd_ali_disable_special_channel(codec, pvoice->number);
1264 else if (codec->spdif_support &&
1265 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
1266 ALI_SPDIF_OUT_CH_ENABLE)
1267 && pvoice->number == ALI_SPDIF_OUT_CHANNEL) {
1268 snd_ali_set_spdif_out_rate(codec, runtime->rate);
1269 Delta = 0x1000;
1270 }
1271
1272 /* set Loop Back Address */
1273 LBA = runtime->dma_addr;
1274
1275 /* set interrupt count size */
1276 pvoice->count = runtime->period_size;
1277
1278 /* set target ESO for channel */
1279 pvoice->eso = runtime->buffer_size;
1280
1281 snd_ali_printk("playback_prepare: eso=%xh count=%xh\n",
1282 pvoice->eso, pvoice->count);
1283
1284 /* set ESO to capture first MIDLP interrupt */
1285 ESO = pvoice->eso -1;
1286 /* set ctrl mode */
1287 CTRL = snd_ali_control_mode(substream);
1288
1289 GVSEL = 1;
1290 PAN = 0;
1291 VOL = 0;
1292 EC = 0;
1293 snd_ali_printk("playback_prepare:\n");
1294 snd_ali_printk("ch=%d, Rate=%d Delta=%xh,GVSEL=%xh,PAN=%xh,CTRL=%xh\n",
1295 pvoice->number,runtime->rate,Delta,GVSEL,PAN,CTRL);
1296 snd_ali_write_voice_regs(codec,
1297 pvoice->number,
1298 LBA,
1299 0, /* cso */
1300 ESO,
1301 Delta,
1302 0, /* alpha */
1303 GVSEL,
1304 PAN,
1305 VOL,
1306 CTRL,
1307 EC);
1308 if (evoice) {
1309 evoice->count = pvoice->count;
1310 evoice->eso = pvoice->count << 1;
1311 ESO = evoice->eso - 1;
1312 snd_ali_write_voice_regs(codec,
1313 evoice->number,
1314 LBA,
1315 0, /* cso */
1316 ESO,
1317 Delta,
1318 0, /* alpha */
1319 GVSEL,
1320 0x7f,
1321 0x3ff,
1322 CTRL,
1323 EC);
1324 }
1325 spin_unlock_irq(&codec->reg_lock);
1326 return 0;
1327}
1328
1329
1330static int snd_ali_prepare(struct snd_pcm_substream *substream)
1331{
1332 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1333 struct snd_pcm_runtime *runtime = substream->runtime;
1334 struct snd_ali_voice *pvoice = runtime->private_data;
1335 unsigned int LBA;
1336 unsigned int Delta;
1337 unsigned int ESO;
1338 unsigned int CTRL;
1339 unsigned int GVSEL;
1340 unsigned int PAN;
1341 unsigned int VOL;
1342 unsigned int EC;
1343 u8 bValue;
1344
1345 spin_lock_irq(&codec->reg_lock);
1346
1347 snd_ali_printk("ali_prepare...\n");
1348
1349 snd_ali_enable_special_channel(codec,pvoice->number);
1350
1351 Delta = (pvoice->number == ALI_MODEM_IN_CHANNEL ||
1352 pvoice->number == ALI_MODEM_OUT_CHANNEL) ?
1353 0x1000 : snd_ali_convert_rate(runtime->rate, pvoice->mode);
1354
1355 /* Prepare capture intr channel */
1356 if (pvoice->number == ALI_SPDIF_IN_CHANNEL) {
1357
1358 unsigned int rate;
1359
1360 spin_unlock_irq(&codec->reg_lock);
1361 if (codec->revision != ALI_5451_V02)
1362 return -1;
1363
1364 rate = snd_ali_get_spdif_in_rate(codec);
1365 if (rate == 0) {
1366 snd_printk(KERN_WARNING "ali_capture_preapre: "
1367 "spdif rate detect err!\n");
1368 rate = 48000;
1369 }
1370 spin_lock_irq(&codec->reg_lock);
1371 bValue = inb(ALI_REG(codec,ALI_SPDIF_CTRL));
1372 if (bValue & 0x10) {
1373 outb(bValue,ALI_REG(codec,ALI_SPDIF_CTRL));
1374 printk(KERN_WARNING "clear SPDIF parity error flag.\n");
1375 }
1376
1377 if (rate != 48000)
1378 Delta = ((rate << 12) / runtime->rate) & 0x00ffff;
1379 }
1380
1381 /* set target ESO for channel */
1382 pvoice->eso = runtime->buffer_size;
1383
1384 /* set interrupt count size */
1385 pvoice->count = runtime->period_size;
1386
1387 /* set Loop Back Address */
1388 LBA = runtime->dma_addr;
1389
1390 /* set ESO to capture first MIDLP interrupt */
1391 ESO = pvoice->eso - 1;
1392 CTRL = snd_ali_control_mode(substream);
1393 GVSEL = 0;
1394 PAN = 0x00;
1395 VOL = 0x00;
1396 EC = 0;
1397
1398 snd_ali_write_voice_regs( codec,
1399 pvoice->number,
1400 LBA,
1401 0, /* cso */
1402 ESO,
1403 Delta,
1404 0, /* alpha */
1405 GVSEL,
1406 PAN,
1407 VOL,
1408 CTRL,
1409 EC);
1410
1411 spin_unlock_irq(&codec->reg_lock);
1412
1413 return 0;
1414}
1415
1416
1417static snd_pcm_uframes_t
1418snd_ali_playback_pointer(struct snd_pcm_substream *substream)
1419{
1420 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1421 struct snd_pcm_runtime *runtime = substream->runtime;
1422 struct snd_ali_voice *pvoice = runtime->private_data;
1423 unsigned int cso;
1424
1425 spin_lock(&codec->reg_lock);
1426 if (!pvoice->running) {
1427 spin_unlock(&codec->reg_lock);
1428 return 0;
1429 }
1430 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1431 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1432 spin_unlock(&codec->reg_lock);
1433 snd_ali_printk("playback pointer returned cso=%xh.\n", cso);
1434
1435 return cso;
1436}
1437
1438
1439static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream)
1440{
1441 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1442 struct snd_pcm_runtime *runtime = substream->runtime;
1443 struct snd_ali_voice *pvoice = runtime->private_data;
1444 unsigned int cso;
1445
1446 spin_lock(&codec->reg_lock);
1447 if (!pvoice->running) {
1448 spin_unlock_irq(&codec->reg_lock);
1449 return 0;
1450 }
1451 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1452 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1453 spin_unlock(&codec->reg_lock);
1454
1455 return cso;
1456}
1457
1458static struct snd_pcm_hardware snd_ali_playback =
1459{
1460 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1461 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1462 SNDRV_PCM_INFO_MMAP_VALID |
1463 SNDRV_PCM_INFO_RESUME |
1464 SNDRV_PCM_INFO_SYNC_START),
1465 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1466 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1467 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1468 .rate_min = 4000,
1469 .rate_max = 48000,
1470 .channels_min = 1,
1471 .channels_max = 2,
1472 .buffer_bytes_max = (256*1024),
1473 .period_bytes_min = 64,
1474 .period_bytes_max = (256*1024),
1475 .periods_min = 1,
1476 .periods_max = 1024,
1477 .fifo_size = 0,
1478};
1479
1480/*
1481 * Capture support device description
1482 */
1483
1484static struct snd_pcm_hardware snd_ali_capture =
1485{
1486 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1487 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1488 SNDRV_PCM_INFO_MMAP_VALID |
1489 SNDRV_PCM_INFO_RESUME |
1490 SNDRV_PCM_INFO_SYNC_START),
1491 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1492 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1493 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1494 .rate_min = 4000,
1495 .rate_max = 48000,
1496 .channels_min = 1,
1497 .channels_max = 2,
1498 .buffer_bytes_max = (128*1024),
1499 .period_bytes_min = 64,
1500 .period_bytes_max = (128*1024),
1501 .periods_min = 1,
1502 .periods_max = 1024,
1503 .fifo_size = 0,
1504};
1505
1506static void snd_ali_pcm_free_substream(struct snd_pcm_runtime *runtime)
1507{
1508 struct snd_ali_voice *pvoice = runtime->private_data;
1509 struct snd_ali *codec;
1510
1511 if (pvoice) {
1512 codec = pvoice->codec;
1513 snd_ali_free_voice(pvoice->codec, pvoice);
1514 }
1515}
1516
1517static int snd_ali_open(struct snd_pcm_substream *substream, int rec,
1518 int channel, struct snd_pcm_hardware *phw)
1519{
1520 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1521 struct snd_pcm_runtime *runtime = substream->runtime;
1522 struct snd_ali_voice *pvoice;
1523
1524 pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, rec,
1525 channel);
1526 if (!pvoice)
1527 return -EAGAIN;
1528
1529 pvoice->substream = substream;
1530 runtime->private_data = pvoice;
1531 runtime->private_free = snd_ali_pcm_free_substream;
1532
1533 runtime->hw = *phw;
1534 snd_pcm_set_sync(substream);
1535 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
1536 0, 64*1024);
1537 return 0;
1538}
1539
1540static int snd_ali_playback_open(struct snd_pcm_substream *substream)
1541{
1542 return snd_ali_open(substream, 0, -1, &snd_ali_playback);
1543}
1544
1545static int snd_ali_capture_open(struct snd_pcm_substream *substream)
1546{
1547 return snd_ali_open(substream, 1, -1, &snd_ali_capture);
1548}
1549
1550static int snd_ali_playback_close(struct snd_pcm_substream *substream)
1551{
1552 return 0;
1553}
1554
1555static int snd_ali_close(struct snd_pcm_substream *substream)
1556{
1557 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1558 struct snd_ali_voice *pvoice = substream->runtime->private_data;
1559
1560 snd_ali_disable_special_channel(codec,pvoice->number);
1561
1562 return 0;
1563}
1564
1565static struct snd_pcm_ops snd_ali_playback_ops = {
1566 .open = snd_ali_playback_open,
1567 .close = snd_ali_playback_close,
1568 .ioctl = snd_pcm_lib_ioctl,
1569 .hw_params = snd_ali_playback_hw_params,
1570 .hw_free = snd_ali_playback_hw_free,
1571 .prepare = snd_ali_playback_prepare,
1572 .trigger = snd_ali_trigger,
1573 .pointer = snd_ali_playback_pointer,
1574};
1575
1576static struct snd_pcm_ops snd_ali_capture_ops = {
1577 .open = snd_ali_capture_open,
1578 .close = snd_ali_close,
1579 .ioctl = snd_pcm_lib_ioctl,
1580 .hw_params = snd_ali_hw_params,
1581 .hw_free = snd_ali_hw_free,
1582 .prepare = snd_ali_prepare,
1583 .trigger = snd_ali_trigger,
1584 .pointer = snd_ali_pointer,
1585};
1586
1587/*
1588 * Modem PCM
1589 */
1590
1591static int snd_ali_modem_hw_params(struct snd_pcm_substream *substream,
1592 struct snd_pcm_hw_params *hw_params)
1593{
1594 struct snd_ali *chip = snd_pcm_substream_chip(substream);
1595 unsigned int modem_num = chip->num_of_codecs - 1;
1596 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_RATE,
1597 params_rate(hw_params));
1598 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_LEVEL, 0);
1599 return snd_ali_hw_params(substream, hw_params);
1600}
1601
1602static struct snd_pcm_hardware snd_ali_modem =
1603{
1604 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1605 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1606 SNDRV_PCM_INFO_MMAP_VALID |
1607 SNDRV_PCM_INFO_RESUME |
1608 SNDRV_PCM_INFO_SYNC_START),
1609 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1610 .rates = (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000 |
1611 SNDRV_PCM_RATE_16000),
1612 .rate_min = 8000,
1613 .rate_max = 16000,
1614 .channels_min = 1,
1615 .channels_max = 1,
1616 .buffer_bytes_max = (256*1024),
1617 .period_bytes_min = 64,
1618 .period_bytes_max = (256*1024),
1619 .periods_min = 1,
1620 .periods_max = 1024,
1621 .fifo_size = 0,
1622};
1623
1624static int snd_ali_modem_open(struct snd_pcm_substream *substream, int rec,
1625 int channel)
1626{
1627 static unsigned int rates[] = {8000, 9600, 12000, 16000};
1628 static struct snd_pcm_hw_constraint_list hw_constraint_rates = {
1629 .count = ARRAY_SIZE(rates),
1630 .list = rates,
1631 .mask = 0,
1632 };
1633 int err = snd_ali_open(substream, rec, channel, &snd_ali_modem);
1634
1635 if (err)
1636 return err;
1637 return snd_pcm_hw_constraint_list(substream->runtime, 0,
1638 SNDRV_PCM_HW_PARAM_RATE, &hw_constraint_rates);
1639}
1640
1641static int snd_ali_modem_playback_open(struct snd_pcm_substream *substream)
1642{
1643 return snd_ali_modem_open(substream, 0, ALI_MODEM_OUT_CHANNEL);
1644}
1645
1646static int snd_ali_modem_capture_open(struct snd_pcm_substream *substream)
1647{
1648 return snd_ali_modem_open(substream, 1, ALI_MODEM_IN_CHANNEL);
1649}
1650
1651static struct snd_pcm_ops snd_ali_modem_playback_ops = {
1652 .open = snd_ali_modem_playback_open,
1653 .close = snd_ali_close,
1654 .ioctl = snd_pcm_lib_ioctl,
1655 .hw_params = snd_ali_modem_hw_params,
1656 .hw_free = snd_ali_hw_free,
1657 .prepare = snd_ali_prepare,
1658 .trigger = snd_ali_trigger,
1659 .pointer = snd_ali_pointer,
1660};
1661
1662static struct snd_pcm_ops snd_ali_modem_capture_ops = {
1663 .open = snd_ali_modem_capture_open,
1664 .close = snd_ali_close,
1665 .ioctl = snd_pcm_lib_ioctl,
1666 .hw_params = snd_ali_modem_hw_params,
1667 .hw_free = snd_ali_hw_free,
1668 .prepare = snd_ali_prepare,
1669 .trigger = snd_ali_trigger,
1670 .pointer = snd_ali_pointer,
1671};
1672
1673
1674struct ali_pcm_description {
1675 char *name;
1676 unsigned int playback_num;
1677 unsigned int capture_num;
1678 struct snd_pcm_ops *playback_ops;
1679 struct snd_pcm_ops *capture_ops;
1680 unsigned short class;
1681};
1682
1683
1684static void snd_ali_pcm_free(struct snd_pcm *pcm)
1685{
1686 struct snd_ali *codec = pcm->private_data;
1687 codec->pcm[pcm->device] = NULL;
1688}
1689
1690
1691static int __devinit snd_ali_pcm(struct snd_ali * codec, int device,
1692 struct ali_pcm_description *desc)
1693{
1694 struct snd_pcm *pcm;
1695 int err;
1696
1697 err = snd_pcm_new(codec->card, desc->name, device,
1698 desc->playback_num, desc->capture_num, &pcm);
1699 if (err < 0) {
1700 snd_printk(KERN_ERR "snd_ali_pcm: err called snd_pcm_new.\n");
1701 return err;
1702 }
1703 pcm->private_data = codec;
1704 pcm->private_free = snd_ali_pcm_free;
1705 if (desc->playback_ops)
1706 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1707 desc->playback_ops);
1708 if (desc->capture_ops)
1709 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1710 desc->capture_ops);
1711
1712 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1713 snd_dma_pci_data(codec->pci),
1714 64*1024, 128*1024);
1715
1716 pcm->info_flags = 0;
1717 pcm->dev_class = desc->class;
1718 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1719 strcpy(pcm->name, desc->name);
1720 codec->pcm[0] = pcm;
1721 return 0;
1722}
1723
1724static struct ali_pcm_description ali_pcms[] = {
1725 { .name = "ALI 5451",
1726 .playback_num = ALI_CHANNELS,
1727 .capture_num = 1,
1728 .playback_ops = &snd_ali_playback_ops,
1729 .capture_ops = &snd_ali_capture_ops
1730 },
1731 { .name = "ALI 5451 modem",
1732 .playback_num = 1,
1733 .capture_num = 1,
1734 .playback_ops = &snd_ali_modem_playback_ops,
1735 .capture_ops = &snd_ali_modem_capture_ops,
1736 .class = SNDRV_PCM_CLASS_MODEM
1737 }
1738};
1739
1740static int __devinit snd_ali_build_pcms(struct snd_ali *codec)
1741{
1742 int i, err;
1743 for (i = 0; i < codec->num_of_codecs && i < ARRAY_SIZE(ali_pcms); i++) {
1744 err = snd_ali_pcm(codec, i, &ali_pcms[i]);
1745 if (err < 0)
1746 return err;
1747 }
1748 return 0;
1749}
1750
1751
1752#define ALI5451_SPDIF(xname, xindex, value) \
1753{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
1754.info = snd_ali5451_spdif_info, .get = snd_ali5451_spdif_get, \
1755.put = snd_ali5451_spdif_put, .private_value = value}
1756
1757#define snd_ali5451_spdif_info snd_ctl_boolean_mono_info
1758
1759static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol,
1760 struct snd_ctl_elem_value *ucontrol)
1761{
1762 struct snd_ali *codec = kcontrol->private_data;
1763 unsigned int spdif_enable;
1764
1765 spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0;
1766
1767 spin_lock_irq(&codec->reg_lock);
1768 switch (kcontrol->private_value) {
1769 case 0:
1770 spdif_enable = (codec->spdif_mask & 0x02) ? 1 : 0;
1771 break;
1772 case 1:
1773 spdif_enable = ((codec->spdif_mask & 0x02) &&
1774 (codec->spdif_mask & 0x04)) ? 1 : 0;
1775 break;
1776 case 2:
1777 spdif_enable = (codec->spdif_mask & 0x01) ? 1 : 0;
1778 break;
1779 default:
1780 break;
1781 }
1782 ucontrol->value.integer.value[0] = spdif_enable;
1783 spin_unlock_irq(&codec->reg_lock);
1784 return 0;
1785}
1786
1787static int snd_ali5451_spdif_put(struct snd_kcontrol *kcontrol,
1788 struct snd_ctl_elem_value *ucontrol)
1789{
1790 struct snd_ali *codec = kcontrol->private_data;
1791 unsigned int change = 0, spdif_enable = 0;
1792
1793 spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0;
1794
1795 spin_lock_irq(&codec->reg_lock);
1796 switch (kcontrol->private_value) {
1797 case 0:
1798 change = (codec->spdif_mask & 0x02) ? 1 : 0;
1799 change = change ^ spdif_enable;
1800 if (change) {
1801 if (spdif_enable) {
1802 codec->spdif_mask |= 0x02;
1803 snd_ali_enable_spdif_out(codec);
1804 } else {
1805 codec->spdif_mask &= ~(0x02);
1806 codec->spdif_mask &= ~(0x04);
1807 snd_ali_disable_spdif_out(codec);
1808 }
1809 }
1810 break;
1811 case 1:
1812 change = (codec->spdif_mask & 0x04) ? 1 : 0;
1813 change = change ^ spdif_enable;
1814 if (change && (codec->spdif_mask & 0x02)) {
1815 if (spdif_enable) {
1816 codec->spdif_mask |= 0x04;
1817 snd_ali_enable_spdif_chnout(codec);
1818 } else {
1819 codec->spdif_mask &= ~(0x04);
1820 snd_ali_disable_spdif_chnout(codec);
1821 }
1822 }
1823 break;
1824 case 2:
1825 change = (codec->spdif_mask & 0x01) ? 1 : 0;
1826 change = change ^ spdif_enable;
1827 if (change) {
1828 if (spdif_enable) {
1829 codec->spdif_mask |= 0x01;
1830 snd_ali_enable_spdif_in(codec);
1831 } else {
1832 codec->spdif_mask &= ~(0x01);
1833 snd_ali_disable_spdif_in(codec);
1834 }
1835 }
1836 break;
1837 default:
1838 break;
1839 }
1840 spin_unlock_irq(&codec->reg_lock);
1841
1842 return change;
1843}
1844
1845static struct snd_kcontrol_new snd_ali5451_mixer_spdif[] __devinitdata = {
1846 /* spdif aplayback switch */
1847 /* FIXME: "IEC958 Playback Switch" may conflict with one on ac97_codec */
1848 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 0, 0),
1849 /* spdif out to spdif channel */
1850 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Channel Output ",NONE,SWITCH), 0, 1),
1851 /* spdif in from spdif channel */
1852 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, 2)
1853};
1854
1855static int __devinit snd_ali_mixer(struct snd_ali * codec)
1856{
1857 struct snd_ac97_template ac97;
1858 unsigned int idx;
1859 int i, err;
1860 static struct snd_ac97_bus_ops ops = {
1861 .write = snd_ali_codec_write,
1862 .read = snd_ali_codec_read,
1863 };
1864
1865 err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus);
1866 if (err < 0)
1867 return err;
1868
1869 memset(&ac97, 0, sizeof(ac97));
1870 ac97.private_data = codec;
1871
1872 for (i = 0; i < codec->num_of_codecs; i++) {
1873 ac97.num = i;
1874 err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97[i]);
1875 if (err < 0) {
1876 snd_printk(KERN_ERR
1877 "ali mixer %d creating error.\n", i);
1878 if (i == 0)
1879 return err;
1880 codec->num_of_codecs = 1;
1881 break;
1882 }
1883 }
1884
1885 if (codec->spdif_support) {
1886 for (idx = 0; idx < ARRAY_SIZE(snd_ali5451_mixer_spdif); idx++) {
1887 err = snd_ctl_add(codec->card,
1888 snd_ctl_new1(&snd_ali5451_mixer_spdif[idx], codec));
1889 if (err < 0)
1890 return err;
1891 }
1892 }
1893 return 0;
1894}
1895
1896#ifdef CONFIG_PM
1897static int ali_suspend(struct pci_dev *pci, pm_message_t state)
1898{
1899 struct snd_card *card = pci_get_drvdata(pci);
1900 struct snd_ali *chip = card->private_data;
1901 struct snd_ali_image *im;
1902 int i, j;
1903
1904 im = chip->image;
1905 if (!im)
1906 return 0;
1907
1908 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1909 for (i = 0; i < chip->num_of_codecs; i++) {
1910 snd_pcm_suspend_all(chip->pcm[i]);
1911 snd_ac97_suspend(chip->ac97[i]);
1912 }
1913
1914 spin_lock_irq(&chip->reg_lock);
1915
1916 im->regs[ALI_MISCINT >> 2] = inl(ALI_REG(chip, ALI_MISCINT));
1917 /* im->regs[ALI_START >> 2] = inl(ALI_REG(chip, ALI_START)); */
1918 im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP));
1919
1920 /* disable all IRQ bits */
1921 outl(0, ALI_REG(chip, ALI_MISCINT));
1922
1923 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
1924 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP))
1925 continue;
1926 im->regs[i] = inl(ALI_REG(chip, i*4));
1927 }
1928
1929 for (i = 0; i < ALI_CHANNELS; i++) {
1930 outb(i, ALI_REG(chip, ALI_GC_CIR));
1931 for (j = 0; j < ALI_CHANNEL_REGS; j++)
1932 im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0));
1933 }
1934
1935 /* stop all HW channel */
1936 outl(0xffffffff, ALI_REG(chip, ALI_STOP));
1937
1938 spin_unlock_irq(&chip->reg_lock);
1939
1940 pci_disable_device(pci);
1941 pci_save_state(pci);
1942 pci_set_power_state(pci, pci_choose_state(pci, state));
1943 return 0;
1944}
1945
1946static int ali_resume(struct pci_dev *pci)
1947{
1948 struct snd_card *card = pci_get_drvdata(pci);
1949 struct snd_ali *chip = card->private_data;
1950 struct snd_ali_image *im;
1951 int i, j;
1952
1953 im = chip->image;
1954 if (!im)
1955 return 0;
1956
1957 pci_set_power_state(pci, PCI_D0);
1958 pci_restore_state(pci);
1959 if (pci_enable_device(pci) < 0) {
1960 printk(KERN_ERR "ali5451: pci_enable_device failed, "
1961 "disabling device\n");
1962 snd_card_disconnect(card);
1963 return -EIO;
1964 }
1965 pci_set_master(pci);
1966
1967 spin_lock_irq(&chip->reg_lock);
1968
1969 for (i = 0; i < ALI_CHANNELS; i++) {
1970 outb(i, ALI_REG(chip, ALI_GC_CIR));
1971 for (j = 0; j < ALI_CHANNEL_REGS; j++)
1972 outl(im->channel_regs[i][j], ALI_REG(chip, j*4 + 0xe0));
1973 }
1974
1975 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
1976 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) ||
1977 (i*4 == ALI_START))
1978 continue;
1979 outl(im->regs[i], ALI_REG(chip, i*4));
1980 }
1981
1982 /* start HW channel */
1983 outl(im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START));
1984 /* restore IRQ enable bits */
1985 outl(im->regs[ALI_MISCINT >> 2], ALI_REG(chip, ALI_MISCINT));
1986
1987 spin_unlock_irq(&chip->reg_lock);
1988
1989 for (i = 0 ; i < chip->num_of_codecs; i++)
1990 snd_ac97_resume(chip->ac97[i]);
1991
1992 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1993 return 0;
1994}
1995#endif /* CONFIG_PM */
1996
1997static int snd_ali_free(struct snd_ali * codec)
1998{
1999 if (codec->hw_initialized)
2000 snd_ali_disable_address_interrupt(codec);
2001 if (codec->irq >= 0)
2002 free_irq(codec->irq, codec);
2003 if (codec->port)
2004 pci_release_regions(codec->pci);
2005 pci_disable_device(codec->pci);
2006#ifdef CONFIG_PM
2007 kfree(codec->image);
2008#endif
2009 pci_dev_put(codec->pci_m1533);
2010 pci_dev_put(codec->pci_m7101);
2011 kfree(codec);
2012 return 0;
2013}
2014
2015static int snd_ali_chip_init(struct snd_ali *codec)
2016{
2017 unsigned int legacy;
2018 unsigned char temp;
2019 struct pci_dev *pci_dev;
2020
2021 snd_ali_printk("chip initializing ... \n");
2022
2023 if (snd_ali_reset_5451(codec)) {
2024 snd_printk(KERN_ERR "ali_chip_init: reset 5451 error.\n");
2025 return -1;
2026 }
2027
2028 if (codec->revision == ALI_5451_V02) {
2029 pci_dev = codec->pci_m1533;
2030 pci_read_config_byte(pci_dev, 0x59, &temp);
2031 temp |= 0x80;
2032 pci_write_config_byte(pci_dev, 0x59, temp);
2033
2034 pci_dev = codec->pci_m7101;
2035 pci_read_config_byte(pci_dev, 0xb8, &temp);
2036 temp |= 0x20;
2037 pci_write_config_byte(pci_dev, 0xB8, temp);
2038 }
2039
2040 pci_read_config_dword(codec->pci, 0x44, &legacy);
2041 legacy &= 0xff00ff00;
2042 legacy |= 0x000800aa;
2043 pci_write_config_dword(codec->pci, 0x44, legacy);
2044
2045 outl(0x80000001, ALI_REG(codec, ALI_GLOBAL_CONTROL));
2046 outl(0x00000000, ALI_REG(codec, ALI_AINTEN));
2047 outl(0xffffffff, ALI_REG(codec, ALI_AINT));
2048 outl(0x00000000, ALI_REG(codec, ALI_VOLUME));
2049 outb(0x10, ALI_REG(codec, ALI_MPUR2));
2050
2051 codec->ac97_ext_id = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_ID);
2052 codec->ac97_ext_status = snd_ali_codec_peek(codec, 0,
2053 AC97_EXTENDED_STATUS);
2054 if (codec->spdif_support) {
2055 snd_ali_enable_spdif_out(codec);
2056 codec->spdif_mask = 0x00000002;
2057 }
2058
2059 codec->num_of_codecs = 1;
2060
2061 /* secondary codec - modem */
2062 if (inl(ALI_REG(codec, ALI_SCTRL)) & ALI_SCTRL_CODEC2_READY) {
2063 codec->num_of_codecs++;
2064 outl(inl(ALI_REG(codec, ALI_SCTRL)) |
2065 (ALI_SCTRL_LINE_IN2 | ALI_SCTRL_GPIO_IN2 |
2066 ALI_SCTRL_LINE_OUT_EN),
2067 ALI_REG(codec, ALI_SCTRL));
2068 }
2069
2070 snd_ali_printk("chip initialize succeed.\n");
2071 return 0;
2072
2073}
2074
2075/* proc for register dump */
2076static void snd_ali_proc_read(struct snd_info_entry *entry,
2077 struct snd_info_buffer *buf)
2078{
2079 struct snd_ali *codec = entry->private_data;
2080 int i;
2081 for (i = 0; i < 256 ; i+= 4)
2082 snd_iprintf(buf, "%02x: %08x\n", i, inl(ALI_REG(codec, i)));
2083}
2084
2085static void __devinit snd_ali_proc_init(struct snd_ali *codec)
2086{
2087 struct snd_info_entry *entry;
2088 if (!snd_card_proc_new(codec->card, "ali5451", &entry))
2089 snd_info_set_text_ops(entry, codec, snd_ali_proc_read);
2090}
2091
2092static int __devinit snd_ali_resources(struct snd_ali *codec)
2093{
2094 int err;
2095
2096 snd_ali_printk("resources allocation ...\n");
2097 err = pci_request_regions(codec->pci, "ALI 5451");
2098 if (err < 0)
2099 return err;
2100 codec->port = pci_resource_start(codec->pci, 0);
2101
2102 if (request_irq(codec->pci->irq, snd_ali_card_interrupt,
2103 IRQF_SHARED, "ALI 5451", codec)) {
2104 snd_printk(KERN_ERR "Unable to request irq.\n");
2105 return -EBUSY;
2106 }
2107 codec->irq = codec->pci->irq;
2108 snd_ali_printk("resources allocated.\n");
2109 return 0;
2110}
2111static int snd_ali_dev_free(struct snd_device *device)
2112{
2113 struct snd_ali *codec = device->device_data;
2114 snd_ali_free(codec);
2115 return 0;
2116}
2117
2118static int __devinit snd_ali_create(struct snd_card *card,
2119 struct pci_dev *pci,
2120 int pcm_streams,
2121 int spdif_support,
2122 struct snd_ali ** r_ali)
2123{
2124 struct snd_ali *codec;
2125 int i, err;
2126 unsigned short cmdw;
2127 static struct snd_device_ops ops = {
2128 .dev_free = snd_ali_dev_free,
2129 };
2130
2131 *r_ali = NULL;
2132
2133 snd_ali_printk("creating ...\n");
2134
2135 /* enable PCI device */
2136 err = pci_enable_device(pci);
2137 if (err < 0)
2138 return err;
2139 /* check, if we can restrict PCI DMA transfers to 31 bits */
2140 if (pci_set_dma_mask(pci, DMA_BIT_MASK(31)) < 0 ||
2141 pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(31)) < 0) {
2142 snd_printk(KERN_ERR "architecture does not support "
2143 "31bit PCI busmaster DMA\n");
2144 pci_disable_device(pci);
2145 return -ENXIO;
2146 }
2147
2148 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
2149 if (!codec) {
2150 pci_disable_device(pci);
2151 return -ENOMEM;
2152 }
2153
2154 spin_lock_init(&codec->reg_lock);
2155 spin_lock_init(&codec->voice_alloc);
2156
2157 codec->card = card;
2158 codec->pci = pci;
2159 codec->irq = -1;
2160#ifndef TARGET_OS2
2161 codec->revision = pci->revision;
2162#else
2163 codec->revision = snd_pci_revision(pci);
2164#endif
2165 codec->spdif_support = spdif_support;
2166
2167 if (pcm_streams < 1)
2168 pcm_streams = 1;
2169 if (pcm_streams > 32)
2170 pcm_streams = 32;
2171
2172 pci_set_master(pci);
2173 pci_read_config_word(pci, PCI_COMMAND, &cmdw);
2174 if ((cmdw & PCI_COMMAND_IO) != PCI_COMMAND_IO) {
2175 cmdw |= PCI_COMMAND_IO;
2176 pci_write_config_word(pci, PCI_COMMAND, cmdw);
2177 }
2178 pci_set_master(pci);
2179
2180 if (snd_ali_resources(codec)) {
2181 snd_ali_free(codec);
2182 return -EBUSY;
2183 }
2184
2185 synchronize_irq(pci->irq);
2186
2187 codec->synth.chmap = 0;
2188 codec->synth.chcnt = 0;
2189 codec->spdif_mask = 0;
2190 codec->synth.synthcount = 0;
2191
2192 if (codec->revision == ALI_5451_V02)
2193 codec->chregs.regs.ac97read = ALI_AC97_WRITE;
2194 else
2195 codec->chregs.regs.ac97read = ALI_AC97_READ;
2196 codec->chregs.regs.ac97write = ALI_AC97_WRITE;
2197
2198 codec->chregs.regs.start = ALI_START;
2199 codec->chregs.regs.stop = ALI_STOP;
2200 codec->chregs.regs.aint = ALI_AINT;
2201 codec->chregs.regs.ainten = ALI_AINTEN;
2202
2203 codec->chregs.data.start = 0x00;
2204 codec->chregs.data.stop = 0x00;
2205 codec->chregs.data.aint = 0x00;
2206 codec->chregs.data.ainten = 0x00;
2207
2208 /* M1533: southbridge */
2209 codec->pci_m1533 = pci_get_device(0x10b9, 0x1533, NULL);
2210 if (!codec->pci_m1533) {
2211 snd_printk(KERN_ERR "ali5451: cannot find ALi 1533 chip.\n");
2212 snd_ali_free(codec);
2213 return -ENODEV;
2214 }
2215 /* M7101: power management */
2216 codec->pci_m7101 = pci_get_device(0x10b9, 0x7101, NULL);
2217 if (!codec->pci_m7101 && codec->revision == ALI_5451_V02) {
2218 snd_printk(KERN_ERR "ali5451: cannot find ALi 7101 chip.\n");
2219 snd_ali_free(codec);
2220 return -ENODEV;
2221 }
2222
2223 snd_ali_printk("snd_device_new is called.\n");
2224 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops);
2225 if (err < 0) {
2226 snd_ali_free(codec);
2227 return err;
2228 }
2229
2230 snd_card_set_dev(card, &pci->dev);
2231
2232 /* initialise synth voices*/
2233 for (i = 0; i < ALI_CHANNELS; i++)
2234 codec->synth.voices[i].number = i;
2235
2236 err = snd_ali_chip_init(codec);
2237 if (err < 0) {
2238 snd_printk(KERN_ERR "ali create: chip init error.\n");
2239 return err;
2240 }
2241
2242#ifdef CONFIG_PM
2243 codec->image = kmalloc(sizeof(*codec->image), GFP_KERNEL);
2244 if (!codec->image)
2245 snd_printk(KERN_WARNING "can't allocate apm buffer\n");
2246#endif
2247
2248 snd_ali_enable_address_interrupt(codec);
2249 codec->hw_initialized = 1;
2250
2251 *r_ali = codec;
2252 snd_ali_printk("created.\n");
2253 return 0;
2254}
2255
2256static int __devinit snd_ali_probe(struct pci_dev *pci,
2257 const struct pci_device_id *pci_id)
2258{
2259 struct snd_card *card;
2260 struct snd_ali *codec;
2261 int err;
2262
2263 snd_ali_printk("probe ...\n");
2264
2265 err = snd_card_create(index, id, THIS_MODULE, 0, &card);
2266 if (err < 0)
2267 return err;
2268
2269 err = snd_ali_create(card, pci, pcm_channels, spdif, &codec);
2270 if (err < 0)
2271 goto error;
2272 card->private_data = codec;
2273
2274 snd_ali_printk("mixer building ...\n");
2275 err = snd_ali_mixer(codec);
2276 if (err < 0)
2277 goto error;
2278
2279 snd_ali_printk("pcm building ...\n");
2280 err = snd_ali_build_pcms(codec);
2281 if (err < 0)
2282 goto error;
2283
2284 snd_ali_proc_init(codec);
2285
2286 strcpy(card->driver, "ALI5451");
2287 strcpy(card->shortname, "ALI 5451");
2288
2289 sprintf(card->longname, "%s at 0x%lx, irq %i",
2290 card->shortname, codec->port, codec->irq);
2291
2292 snd_ali_printk("register card.\n");
2293 err = snd_card_register(card);
2294 if (err < 0)
2295 goto error;
2296
2297 pci_set_drvdata(pci, card);
2298 return 0;
2299
2300 error:
2301 snd_card_free(card);
2302 return err;
2303}
2304
2305static void __devexit snd_ali_remove(struct pci_dev *pci)
2306{
2307 snd_card_free(pci_get_drvdata(pci));
2308 pci_set_drvdata(pci, NULL);
2309}
2310
2311static struct pci_driver driver = {
2312 .name = "ALI 5451",
2313 .id_table = snd_ali_ids,
2314 .probe = snd_ali_probe,
2315 .remove = __devexit_p(snd_ali_remove),
2316#ifdef CONFIG_PM
2317 .suspend = ali_suspend,
2318 .resume = ali_resume,
2319#endif
2320};
2321
2322static int __init alsa_card_ali_init(void)
2323{
2324 return pci_register_driver(&driver);
2325}
2326
2327static void __exit alsa_card_ali_exit(void)
2328{
2329 pci_unregister_driver(&driver);
2330}
2331
2332module_init(alsa_card_ali_init)
2333module_exit(alsa_card_ali_exit)
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