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[ARM] Support register switch in nommu mode
[linux-2.6/verdex.git] / sound / pci / ali5451 / ali5451.c
blobbc4d1ef08efa5a5afe60d2b0c1f9d13ce64b2903
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 <sound/driver.h>
29 #include <asm/io.h>
30 #include <linux/delay.h>
31 #include <linux/interrupt.h>
32 #include <linux/init.h>
33 #include <linux/pci.h>
34 #include <linux/slab.h>
35 #include <linux/moduleparam.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 = 0;
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(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
205 /* PCM data */
206 struct snd_ali *codec;
207 struct snd_pcm_substream *substream;
208 struct snd_ali_voice *extra;
209
210 unsigned int running: 1;
211
212 int eso; /* final ESO value for channel */
213 int count; /* runtime->period_size */
214
215 /* --- */
216
217 void *private_data;
218 void (*private_free)(void *private_data);
219 };
220
221
222 struct snd_alidev {
223
224 struct snd_ali_voice voices[ALI_CHANNELS];
225
226 unsigned int chcnt; /* num of opened channels */
227 unsigned int chmap; /* bitmap for opened channels */
228 unsigned int synthcount;
229
230 };
231
232
233 #ifdef CONFIG_PM
234 #define ALI_GLOBAL_REGS 56
235 #define ALI_CHANNEL_REGS 8
236 struct snd_ali_image {
237 unsigned long regs[ALI_GLOBAL_REGS];
238 unsigned long channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS];
239 };
240 #endif
241
242
243 struct snd_ali {
244 unsigned long irq;
245 unsigned long port;
246 unsigned char revision;
247
248 unsigned int hw_initialized: 1;
249 unsigned int spdif_support: 1;
250
251 struct pci_dev *pci;
252 struct pci_dev *pci_m1533;
253 struct pci_dev *pci_m7101;
254
255 struct snd_card *card;
256 struct snd_pcm *pcm[MAX_CODECS];
257 struct snd_alidev synth;
258 struct snd_ali_channel_control chregs;
259
260 /* S/PDIF Mask */
261 unsigned int spdif_mask;
262
263 unsigned int spurious_irq_count;
264 unsigned int spurious_irq_max_delta;
265
266 unsigned int num_of_codecs;
267
268 struct snd_ac97_bus *ac97_bus;
269 struct snd_ac97 *ac97[MAX_CODECS];
270 unsigned short ac97_ext_id;
271 unsigned short ac97_ext_status;
272
273 spinlock_t reg_lock;
274 spinlock_t voice_alloc;
275
276 #ifdef CONFIG_PM
277 struct snd_ali_image *image;
278 #endif
279 };
280
281 static struct pci_device_id snd_ali_ids[] = {
282 {0x10b9, 0x5451, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
283 {0, }
284 };
285 MODULE_DEVICE_TABLE(pci, snd_ali_ids);
286
287 static void snd_ali_clear_voices(struct snd_ali *, unsigned int, unsigned int);
288 static unsigned short snd_ali_codec_peek(struct snd_ali *, int, unsigned short);
289 static void snd_ali_codec_poke(struct snd_ali *, int, unsigned short, unsigned short);
290
291 /*
292 * Debug Part
293 */
294
295 #ifdef ALI_DEBUG
296
297 static void ali_read_regs(struct snd_ali *codec, int channel)
298 {
299 int i,j;
300 unsigned int dwVal;
301
302 printk("channel %d registers map:\n", channel);
303 outb((unsigned char)(channel & 0x001f), ALI_REG(codec,ALI_GC_CIR));
304
305 printk(" ");
306 for(j=0;j<8;j++)
307 printk("%2.2x ", j*4);
308 printk("\n");
309
310 for (i=0; i<=0xf8/4;i++) {
311 if(i%8 == 0)
312 printk("%2.2x ", (i*4/0x10)*0x10);
313 dwVal = inl(ALI_REG(codec,i*4));
314 printk("%8.8x ", dwVal);
315 if ((i+1)%8 == 0)
316 printk("\n");
317 }
318 printk("\n");
319 }
320 static void ali_read_cfg(unsigned int vendor, unsigned deviceid)
321 {
322 unsigned int dwVal;
323 struct pci_dev *pci_dev;
324 int i,j;
325
326 pci_dev = pci_get_device(vendor, deviceid, NULL);
327 if (pci_dev == NULL)
328 return ;
329
330 printk("\nM%x PCI CFG\n", deviceid);
331 printk(" ");
332 for(j=0;j<8;j++)
333 printk("%d ",j);
334 printk("\n");
335
336 for(i=0;i<8;i++) {
337 printk("%d ",i);
338 for(j=0;j<8;j++)
339 {
340 pci_read_config_dword(pci_dev, i*0x20+j*4, &dwVal);
341 printk("%8.8x ", dwVal);
342 }
343 printk("\n");
344 }
345 pci_dev_put(pci_dev);
346 }
347 static void ali_read_ac97regs(struct snd_ali *codec, int secondary)
348 {
349 unsigned short i,j;
350 unsigned short wVal;
351
352 printk("\ncodec %d registers map:\n", secondary);
353
354 printk(" ");
355 for(j=0;j<8;j++)
356 printk("%2.2x ",j*2);
357 printk("\n");
358
359 for (i=0; i<64;i++) {
360 if(i%8 == 0)
361 printk("%2.2x ", (i/8)*0x10);
362 wVal = snd_ali_codec_peek(codec, secondary, i*2);
363 printk("%4.4x ", wVal);
364 if ((i+1)%8 == 0)
365 printk("\n");
366 }
367 printk("\n");
368 }
369
370 #endif
371
372 /*
373 * AC97 ACCESS
374 */
375
376 static inline unsigned int snd_ali_5451_peek(struct snd_ali *codec,
377 unsigned int port )
378 {
379 return (unsigned int)inl(ALI_REG(codec, port));
380 }
381
382 static inline void snd_ali_5451_poke( struct snd_ali *codec,
383 unsigned int port,
384 unsigned int val )
385 {
386 outl((unsigned int)val, ALI_REG(codec, port));
387 }
388
389 static int snd_ali_codec_ready( struct snd_ali *codec,
390 unsigned int port )
391 {
392 unsigned long end_time;
393 unsigned int res;
394
395 end_time = jiffies + msecs_to_jiffies(250);
396 do {
397 res = snd_ali_5451_peek(codec,port);
398 if (! (res & 0x8000))
399 return 0;
400 schedule_timeout_uninterruptible(1);
401 } while (time_after_eq(end_time, jiffies));
402 snd_ali_5451_poke(codec, port, res & ~0x8000);
403 snd_printdd("ali_codec_ready: codec is not ready.\n ");
404 return -EIO;
405 }
406
407 static int snd_ali_stimer_ready(struct snd_ali *codec)
408 {
409 unsigned long end_time;
410 unsigned long dwChk1,dwChk2;
411
412 dwChk1 = snd_ali_5451_peek(codec, ALI_STIMER);
413 dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER);
414
415 end_time = jiffies + msecs_to_jiffies(250);
416 do {
417 dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER);
418 if (dwChk2 != dwChk1)
419 return 0;
420 schedule_timeout_uninterruptible(1);
421 } while (time_after_eq(end_time, jiffies));
422 snd_printk(KERN_ERR "ali_stimer_read: stimer is not ready.\n");
423 return -EIO;
424 }
425
426 static void snd_ali_codec_poke(struct snd_ali *codec,int secondary,
427 unsigned short reg,
428 unsigned short val)
429 {
430 unsigned int dwVal = 0;
431 unsigned int port = 0;
432
433 if (reg >= 0x80) {
434 snd_printk(KERN_ERR "ali_codec_poke: reg(%xh) invalid.\n", reg);
435 return;
436 }
437
438 port = codec->chregs.regs.ac97write;
439
440 if (snd_ali_codec_ready(codec, port) < 0)
441 return;
442 if (snd_ali_stimer_ready(codec) < 0)
443 return;
444
445 dwVal = (unsigned int) (reg & 0xff);
446 dwVal |= 0x8000 | (val << 16);
447 if (secondary) dwVal |= 0x0080;
448 if (codec->revision == ALI_5451_V02) dwVal |= 0x0100;
449
450 snd_ali_5451_poke(codec,port,dwVal);
451
452 return ;
453 }
454
455 static unsigned short snd_ali_codec_peek( struct snd_ali *codec,
456 int secondary,
457 unsigned short reg)
458 {
459 unsigned int dwVal = 0;
460 unsigned int port = 0;
461
462 if (reg >= 0x80) {
463 snd_printk(KERN_ERR "ali_codec_peek: reg(%xh) invalid.\n", reg);
464 return ~0;
465 }
466
467 port = codec->chregs.regs.ac97read;
468
469 if (snd_ali_codec_ready(codec, port) < 0)
470 return ~0;
471 if (snd_ali_stimer_ready(codec) < 0)
472 return ~0;
473
474 dwVal = (unsigned int) (reg & 0xff);
475 dwVal |= 0x8000; /* bit 15*/
476 if (secondary) dwVal |= 0x0080;
477
478 snd_ali_5451_poke(codec, port, dwVal);
479
480 if (snd_ali_stimer_ready(codec) < 0)
481 return ~0;
482 if (snd_ali_codec_ready(codec, port) < 0)
483 return ~0;
484
485 return (snd_ali_5451_peek(codec, port) & 0xffff0000)>>16;
486 }
487
488 static void snd_ali_codec_write(struct snd_ac97 *ac97,
489 unsigned short reg,
490 unsigned short val )
491 {
492 struct snd_ali *codec = ac97->private_data;
493
494 snd_ali_printk("codec_write: reg=%xh data=%xh.\n", reg, val);
495 if(reg == AC97_GPIO_STATUS) {
496 outl((val << ALI_AC97_GPIO_DATA_SHIFT)|ALI_AC97_GPIO_ENABLE,
497 ALI_REG(codec, ALI_AC97_GPIO));
498 return;
499 }
500 snd_ali_codec_poke(codec, ac97->num, reg, val);
501 return ;
502 }
503
504
505 static unsigned short snd_ali_codec_read(struct snd_ac97 *ac97, unsigned short reg)
506 {
507 struct snd_ali *codec = ac97->private_data;
508
509 snd_ali_printk("codec_read reg=%xh.\n", reg);
510 return (snd_ali_codec_peek(codec, ac97->num, reg));
511 }
512
513 /*
514 * AC97 Reset
515 */
516
517 static int snd_ali_reset_5451(struct snd_ali *codec)
518 {
519 struct pci_dev *pci_dev = NULL;
520 unsigned short wCount, wReg;
521 unsigned int dwVal;
522
523 if ((pci_dev = codec->pci_m1533) != NULL) {
524 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
525 pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000);
526 udelay(5000);
527 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
528 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff);
529 udelay(5000);
530 }
531
532 pci_dev = codec->pci;
533 pci_read_config_dword(pci_dev, 0x44, &dwVal);
534 pci_write_config_dword(pci_dev, 0x44, dwVal | 0x000c0000);
535 udelay(500);
536 pci_read_config_dword(pci_dev, 0x44, &dwVal);
537 pci_write_config_dword(pci_dev, 0x44, dwVal & 0xfffbffff);
538 udelay(5000);
539
540 wCount = 200;
541 while(wCount--) {
542 wReg = snd_ali_codec_peek(codec, 0, AC97_POWERDOWN);
543 if((wReg & 0x000f) == 0x000f)
544 return 0;
545 udelay(5000);
546 }
547
548 /* non-fatal if you have a non PM capable codec */
549 /* snd_printk(KERN_WARNING "ali5451: reset time out\n"); */
550 return 0;
551 }
552
553 #ifdef CODEC_RESET
554
555 static int snd_ali_reset_codec(struct snd_ali *codec)
556 {
557 struct pci_dev *pci_dev = NULL;
558 unsigned char bVal = 0;
559 unsigned int dwVal;
560 unsigned short wCount, wReg;
561
562 pci_dev = codec->pci_m1533;
563
564 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
565 pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000);
566 udelay(5000);
567 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
568 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff);
569 udelay(5000);
570
571 bVal = inb(ALI_REG(codec,ALI_SCTRL));
572 bVal |= 0x02;
573 outb(ALI_REG(codec,ALI_SCTRL),bVal);
574 udelay(5000);
575 bVal = inb(ALI_REG(codec,ALI_SCTRL));
576 bVal &= 0xfd;
577 outb(ALI_REG(codec,ALI_SCTRL),bVal);
578 udelay(15000);
579
580 wCount = 200;
581 while(wCount--) {
582 wReg = snd_ali_codec_read(codec->ac97, AC97_POWERDOWN);
583 if((wReg & 0x000f) == 0x000f)
584 return 0;
585 udelay(5000);
586 }
587 return -1;
588 }
589
590 #endif
591
592 /*
593 * ALI 5451 Controller
594 */
595
596 static void snd_ali_enable_special_channel(struct snd_ali *codec, unsigned int channel)
597 {
598 unsigned long dwVal = 0;
599
600 dwVal = inl(ALI_REG(codec,ALI_GLOBAL_CONTROL));
601 dwVal |= 1 << (channel & 0x0000001f);
602 outl(dwVal, ALI_REG(codec,ALI_GLOBAL_CONTROL));
603 }
604
605 static void snd_ali_disable_special_channel(struct snd_ali *codec, unsigned int channel)
606 {
607 unsigned long dwVal = 0;
608
609 dwVal = inl(ALI_REG(codec,ALI_GLOBAL_CONTROL));
610 dwVal &= ~(1 << (channel & 0x0000001f));
611 outl(dwVal, ALI_REG(codec,ALI_GLOBAL_CONTROL));
612 }
613
614 static void snd_ali_enable_address_interrupt(struct snd_ali * codec)
615 {
616 unsigned int gc;
617
618 gc = inl(ALI_REG(codec, ALI_GC_CIR));
619 gc |= ENDLP_IE;
620 gc |= MIDLP_IE;
621 outl( gc, ALI_REG(codec, ALI_GC_CIR));
622 }
623
624 static void snd_ali_disable_address_interrupt(struct snd_ali * codec)
625 {
626 unsigned int gc;
627
628 gc = inl(ALI_REG(codec, ALI_GC_CIR));
629 gc &= ~ENDLP_IE;
630 gc &= ~MIDLP_IE;
631 outl(gc, ALI_REG(codec, ALI_GC_CIR));
632 }
633
634 #if 0 // not used
635 static void snd_ali_enable_voice_irq(struct snd_ali *codec, unsigned int channel)
636 {
637 unsigned int mask;
638 struct snd_ali_channel_control *pchregs = &(codec->chregs);
639
640 snd_ali_printk("enable_voice_irq channel=%d\n",channel);
641
642 mask = 1 << (channel & 0x1f);
643 pchregs->data.ainten = inl(ALI_REG(codec,pchregs->regs.ainten));
644 pchregs->data.ainten |= mask;
645 outl(pchregs->data.ainten,ALI_REG(codec,pchregs->regs.ainten));
646 }
647 #endif
648
649 static void snd_ali_disable_voice_irq(struct snd_ali *codec, unsigned int channel)
650 {
651 unsigned int mask;
652 struct snd_ali_channel_control *pchregs = &(codec->chregs);
653
654 snd_ali_printk("disable_voice_irq channel=%d\n",channel);
655
656 mask = 1 << (channel & 0x1f);
657 pchregs->data.ainten = inl(ALI_REG(codec,pchregs->regs.ainten));
658 pchregs->data.ainten &= ~mask;
659 outl(pchregs->data.ainten,ALI_REG(codec,pchregs->regs.ainten));
660 }
661
662 static int snd_ali_alloc_pcm_channel(struct snd_ali *codec, int channel)
663 {
664 unsigned int idx = channel & 0x1f;
665
666 if (codec->synth.chcnt >= ALI_CHANNELS){
667 snd_printk(KERN_ERR "ali_alloc_pcm_channel: no free channels.\n");
668 return -1;
669 }
670
671 if (!(codec->synth.chmap & (1 << idx))) {
672 codec->synth.chmap |= 1 << idx;
673 codec->synth.chcnt++;
674 snd_ali_printk("alloc_pcm_channel no. %d.\n",idx);
675 return idx;
676 }
677 return -1;
678 }
679
680 static int snd_ali_find_free_channel(struct snd_ali * codec, int rec)
681 {
682 int idx;
683 int result = -1;
684
685 snd_ali_printk("find_free_channel: for %s\n",rec ? "rec" : "pcm");
686
687 // recording
688 if (rec) {
689 if (codec->spdif_support &&
690 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_IN_SUPPORT))
691 idx = ALI_SPDIF_IN_CHANNEL;
692 else
693 idx = ALI_PCM_IN_CHANNEL;
694
695 if ((result = snd_ali_alloc_pcm_channel(codec,idx)) >= 0) {
696 return result;
697 } else {
698 snd_printk(KERN_ERR "ali_find_free_channel: record channel is busy now.\n");
699 return -1;
700 }
701 }
702
703 //playback...
704 if (codec->spdif_support &&
705 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_OUT_CH_ENABLE)) {
706 idx = ALI_SPDIF_OUT_CHANNEL;
707 if ((result = snd_ali_alloc_pcm_channel(codec,idx)) >= 0) {
708 return result;
709 } else {
710 snd_printk(KERN_ERR "ali_find_free_channel: S/PDIF out channel is in busy now.\n");
711 }
712 }
713
714 for (idx = 0; idx < ALI_CHANNELS; idx++) {
715 if ((result = snd_ali_alloc_pcm_channel(codec,idx)) >= 0)
716 return result;
717 }
718 snd_printk(KERN_ERR "ali_find_free_channel: no free channels.\n");
719 return -1;
720 }
721
722 static void snd_ali_free_channel_pcm(struct snd_ali *codec, int channel)
723 {
724 unsigned int idx = channel & 0x0000001f;
725
726 snd_ali_printk("free_channel_pcm channel=%d\n",channel);
727
728 if (channel < 0 || channel >= ALI_CHANNELS)
729 return;
730
731 if (!(codec->synth.chmap & (1 << idx))) {
732 snd_printk(KERN_ERR "ali_free_channel_pcm: channel %d is not in use.\n",channel);
733 return;
734 } else {
735 codec->synth.chmap &= ~(1 << idx);
736 codec->synth.chcnt--;
737 }
738 }
739
740 #if 0 // not used
741 static void snd_ali_start_voice(struct snd_ali * codec, unsigned int channel)
742 {
743 unsigned int mask = 1 << (channel & 0x1f);
744
745 snd_ali_printk("start_voice: channel=%d\n",channel);
746 outl(mask, ALI_REG(codec,codec->chregs.regs.start));
747 }
748 #endif
749
750 static void snd_ali_stop_voice(struct snd_ali * codec, unsigned int channel)
751 {
752 unsigned int mask = 1 << (channel & 0x1f);
753
754 snd_ali_printk("stop_voice: channel=%d\n",channel);
755 outl(mask, ALI_REG(codec, codec->chregs.regs.stop));
756 }
757
758 /*
759 * S/PDIF Part
760 */
761
762 static void snd_ali_delay(struct snd_ali *codec,int interval)
763 {
764 unsigned long begintimer,currenttimer;
765
766 begintimer = inl(ALI_REG(codec, ALI_STIMER));
767 currenttimer = inl(ALI_REG(codec, ALI_STIMER));
768
769 while (currenttimer < begintimer + interval) {
770 if(snd_ali_stimer_ready(codec) < 0)
771 break;
772 currenttimer = inl(ALI_REG(codec, ALI_STIMER));
773 }
774 }
775
776 static void snd_ali_detect_spdif_rate(struct snd_ali *codec)
777 {
778 u16 wval = 0;
779 u16 count = 0;
780 u8 bval = 0, R1 = 0, R2 = 0;
781
782 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1));
783 bval |= 0x1F;
784 outb(bval,ALI_REG(codec,ALI_SPDIF_CTRL + 1));
785
786 while (((R1 < 0x0B )||(R1 > 0x0E)) && (R1 != 0x12) && count <= 50000) {
787 count ++;
788 snd_ali_delay(codec, 6);
789 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1));
790 R1 = bval & 0x1F;
791 }
792
793 if (count > 50000) {
794 snd_printk(KERN_ERR "ali_detect_spdif_rate: timeout!\n");
795 return;
796 }
797
798 count = 0;
799 while (count++ <= 50000) {
800 snd_ali_delay(codec, 6);
801 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1));
802 R2 = bval & 0x1F;
803 if (R2 != R1) R1 = R2; else break;
804 }
805
806 if (count > 50000) {
807 snd_printk(KERN_ERR "ali_detect_spdif_rate: timeout!\n");
808 return;
809 }
810
811 if (R2 >= 0x0b && R2 <= 0x0e) {
812 wval = inw(ALI_REG(codec,ALI_SPDIF_CTRL + 2));
813 wval &= 0xE0F0;
814 wval |= (u16)0x09 << 8 | (u16)0x05;
815 outw(wval,ALI_REG(codec,ALI_SPDIF_CTRL + 2));
816
817 bval = inb(ALI_REG(codec,ALI_SPDIF_CS +3)) & 0xF0;
818 outb(bval|0x02,ALI_REG(codec,ALI_SPDIF_CS + 3));
819 } else if (R2 == 0x12) {
820 wval = inw(ALI_REG(codec,ALI_SPDIF_CTRL + 2));
821 wval &= 0xE0F0;
822 wval |= (u16)0x0E << 8 | (u16)0x08;
823 outw(wval,ALI_REG(codec,ALI_SPDIF_CTRL + 2));
824
825 bval = inb(ALI_REG(codec,ALI_SPDIF_CS +3)) & 0xF0;
826 outb(bval|0x03,ALI_REG(codec,ALI_SPDIF_CS + 3));
827 }
828 }
829
830 static unsigned int snd_ali_get_spdif_in_rate(struct snd_ali *codec)
831 {
832 u32 dwRate = 0;
833 u8 bval = 0;
834
835 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL));
836 bval &= 0x7F;
837 bval |= 0x40;
838 outb(bval, ALI_REG(codec,ALI_SPDIF_CTRL));
839
840 snd_ali_detect_spdif_rate(codec);
841
842 bval = inb(ALI_REG(codec,ALI_SPDIF_CS + 3));
843 bval &= 0x0F;
844
845 if (bval == 0) dwRate = 44100;
846 if (bval == 1) dwRate = 48000;
847 if (bval == 2) dwRate = 32000;
848
849 return dwRate;
850 }
851
852 static void snd_ali_enable_spdif_in(struct snd_ali *codec)
853 {
854 unsigned int dwVal;
855
856 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
857 dwVal |= ALI_SPDIF_IN_SUPPORT;
858 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
859
860 dwVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
861 dwVal |= 0x02;
862 outb(dwVal, ALI_REG(codec, ALI_SPDIF_CTRL));
863
864 snd_ali_enable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
865 }
866
867 static void snd_ali_disable_spdif_in(struct snd_ali *codec)
868 {
869 unsigned int dwVal;
870
871 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
872 dwVal &= ~ALI_SPDIF_IN_SUPPORT;
873 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
874
875 snd_ali_disable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
876 }
877
878
879 static void snd_ali_set_spdif_out_rate(struct snd_ali *codec, unsigned int rate)
880 {
881 unsigned char bVal;
882 unsigned int dwRate = 0;
883
884 if (rate == 32000) dwRate = 0x300;
885 if (rate == 44100) dwRate = 0;
886 if (rate == 48000) dwRate = 0x200;
887
888 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
889 bVal &= (unsigned char)(~(1<<6));
890
891 bVal |= 0x80; //select right
892 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
893 outb(dwRate | 0x20, ALI_REG(codec, ALI_SPDIF_CS + 2));
894
895 bVal &= (~0x80); //select left
896 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
897 outw(rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2));
898 }
899
900 static void snd_ali_enable_spdif_out(struct snd_ali *codec)
901 {
902 unsigned short wVal;
903 unsigned char bVal;
904
905 struct pci_dev *pci_dev = NULL;
906
907 pci_dev = codec->pci_m1533;
908 if (pci_dev == NULL)
909 return;
910 pci_read_config_byte(pci_dev, 0x61, &bVal);
911 bVal |= 0x40;
912 pci_write_config_byte(pci_dev, 0x61, bVal);
913 pci_read_config_byte(pci_dev, 0x7d, &bVal);
914 bVal |= 0x01;
915 pci_write_config_byte(pci_dev, 0x7d, bVal);
916
917 pci_read_config_byte(pci_dev, 0x7e, &bVal);
918 bVal &= (~0x20);
919 bVal |= 0x10;
920 pci_write_config_byte(pci_dev, 0x7e, bVal);
921
922 bVal = inb(ALI_REG(codec, ALI_SCTRL));
923 outb(bVal | ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
924
925 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
926 outb(bVal & ALI_SPDIF_OUT_CH_STATUS, ALI_REG(codec, ALI_SPDIF_CTRL));
927
928 {
929 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
930 wVal |= ALI_SPDIF_OUT_SEL_PCM;
931 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
932 snd_ali_disable_special_channel(codec,ALI_SPDIF_OUT_CHANNEL);
933 }
934 }
935
936 static void snd_ali_enable_spdif_chnout(struct snd_ali *codec)
937 {
938 unsigned short wVal = 0;
939
940 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
941 wVal &= ~ALI_SPDIF_OUT_SEL_PCM;
942 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
943 /*
944 wVal = inw(ALI_REG(codec, ALI_SPDIF_CS));
945 if (flag & ALI_SPDIF_OUT_NON_PCM)
946 wVal |= 0x0002;
947 else
948 wVal &= (~0x0002);
949 outw(wVal, ALI_REG(codec, ALI_SPDIF_CS));
950 */
951 snd_ali_enable_special_channel(codec,ALI_SPDIF_OUT_CHANNEL);
952 }
953
954 static void snd_ali_disable_spdif_chnout(struct snd_ali *codec)
955 {
956 unsigned short wVal = 0;
957 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
958 wVal |= ALI_SPDIF_OUT_SEL_PCM;
959 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
960
961 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
962 }
963
964 static void snd_ali_disable_spdif_out(struct snd_ali *codec)
965 {
966 unsigned char bVal;
967
968 bVal = inb(ALI_REG(codec, ALI_SCTRL));
969 outb(bVal & ~ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
970
971 snd_ali_disable_spdif_chnout(codec);
972 }
973
974 static void snd_ali_update_ptr(struct snd_ali *codec,int channel)
975 {
976 struct snd_ali_voice *pvoice = NULL;
977 struct snd_pcm_runtime *runtime;
978 struct snd_ali_channel_control *pchregs = NULL;
979 unsigned int old, mask;
980 #ifdef ALI_DEBUG
981 unsigned int temp, cspf;
982 #endif
983
984 pchregs = &(codec->chregs);
985
986 // check if interrupt occurred for channel
987 old = pchregs->data.aint;
988 mask = ((unsigned int) 1L) << (channel & 0x1f);
989
990 if (!(old & mask))
991 return;
992
993 pvoice = &codec->synth.voices[channel];
994 runtime = pvoice->substream->runtime;
995
996 udelay(100);
997 spin_lock(&codec->reg_lock);
998
999 if (pvoice->pcm && pvoice->substream) {
1000 /* pcm interrupt */
1001 #ifdef ALI_DEBUG
1002 outb((u8)(pvoice->number), ALI_REG(codec, ALI_GC_CIR));
1003 temp = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1004 cspf = (inl(ALI_REG(codec, ALI_CSPF)) & mask) == mask;
1005 #endif
1006 if (pvoice->running) {
1007 snd_ali_printk("update_ptr: cso=%4.4x cspf=%d.\n",(u16)temp,cspf);
1008 spin_unlock(&codec->reg_lock);
1009 snd_pcm_period_elapsed(pvoice->substream);
1010 spin_lock(&codec->reg_lock);
1011 } else {
1012 snd_ali_stop_voice(codec, channel);
1013 snd_ali_disable_voice_irq(codec, channel);
1014 }
1015 } else if (codec->synth.voices[channel].synth) {
1016 /* synth interrupt */
1017 } else if (codec->synth.voices[channel].midi) {
1018 /* midi interrupt */
1019 } else {
1020 /* unknown interrupt */
1021 snd_ali_stop_voice(codec, channel);
1022 snd_ali_disable_voice_irq(codec, channel);
1023 }
1024 spin_unlock(&codec->reg_lock);
1025 outl(mask,ALI_REG(codec,pchregs->regs.aint));
1026 pchregs->data.aint = old & (~mask);
1027 }
1028
1029 static void snd_ali_interrupt(struct snd_ali * codec)
1030 {
1031 int channel;
1032 unsigned int audio_int;
1033 struct snd_ali_channel_control *pchregs = NULL;
1034 pchregs = &(codec->chregs);
1035
1036 audio_int = inl(ALI_REG(codec, ALI_MISCINT));
1037 if (audio_int & ADDRESS_IRQ) {
1038 // get interrupt status for all channels
1039 pchregs->data.aint = inl(ALI_REG(codec,pchregs->regs.aint));
1040 for (channel = 0; channel < ALI_CHANNELS; channel++) {
1041 snd_ali_update_ptr(codec, channel);
1042 }
1043 }
1044 outl((TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW),
1045 ALI_REG(codec,ALI_MISCINT));
1046 }
1047
1048
1049 static irqreturn_t snd_ali_card_interrupt(int irq,
1050 void *dev_id,
1051 struct pt_regs *regs)
1052 {
1053 struct snd_ali *codec = dev_id;
1054
1055 if (codec == NULL)
1056 return IRQ_NONE;
1057 snd_ali_interrupt(codec);
1058 return IRQ_HANDLED;
1059 }
1060
1061
1062 static struct snd_ali_voice *snd_ali_alloc_voice(struct snd_ali * codec, int type, int rec, int channel)
1063 {
1064 struct snd_ali_voice *pvoice = NULL;
1065 int idx;
1066
1067 snd_ali_printk("alloc_voice: type=%d rec=%d\n",type,rec);
1068
1069 spin_lock_irq(&codec->voice_alloc);
1070 if (type == SNDRV_ALI_VOICE_TYPE_PCM) {
1071 idx = channel > 0 ? snd_ali_alloc_pcm_channel(codec, channel) :
1072 snd_ali_find_free_channel(codec,rec);
1073 if(idx < 0) {
1074 snd_printk(KERN_ERR "ali_alloc_voice: err.\n");
1075 spin_unlock_irq(&codec->voice_alloc);
1076 return NULL;
1077 }
1078 pvoice = &(codec->synth.voices[idx]);
1079 pvoice->codec = codec;
1080 pvoice->use = 1;
1081 pvoice->pcm = 1;
1082 pvoice->mode = rec;
1083 spin_unlock_irq(&codec->voice_alloc);
1084 return pvoice;
1085 }
1086 spin_unlock_irq(&codec->voice_alloc);
1087 return NULL;
1088 }
1089
1090
1091 static void snd_ali_free_voice(struct snd_ali * codec, struct snd_ali_voice *pvoice)
1092 {
1093 void (*private_free)(void *);
1094 void *private_data;
1095
1096 snd_ali_printk("free_voice: channel=%d\n",pvoice->number);
1097 if (pvoice == NULL || !pvoice->use)
1098 return;
1099 snd_ali_clear_voices(codec, pvoice->number, pvoice->number);
1100 spin_lock_irq(&codec->voice_alloc);
1101 private_free = pvoice->private_free;
1102 private_data = pvoice->private_data;
1103 pvoice->private_free = NULL;
1104 pvoice->private_data = NULL;
1105 if (pvoice->pcm) {
1106 snd_ali_free_channel_pcm(codec, pvoice->number);
1107 }
1108 pvoice->use = pvoice->pcm = pvoice->synth = 0;
1109 pvoice->substream = NULL;
1110 spin_unlock_irq(&codec->voice_alloc);
1111 if (private_free)
1112 private_free(private_data);
1113 }
1114
1115
1116 static void snd_ali_clear_voices(struct snd_ali * codec,
1117 unsigned int v_min,
1118 unsigned int v_max)
1119 {
1120 unsigned int i;
1121
1122 for (i = v_min; i <= v_max; i++) {
1123 snd_ali_stop_voice(codec, i);
1124 snd_ali_disable_voice_irq(codec, i);
1125 }
1126 }
1127
1128 static void snd_ali_write_voice_regs(struct snd_ali * codec,
1129 unsigned int Channel,
1130 unsigned int LBA,
1131 unsigned int CSO,
1132 unsigned int ESO,
1133 unsigned int DELTA,
1134 unsigned int ALPHA_FMS,
1135 unsigned int GVSEL,
1136 unsigned int PAN,
1137 unsigned int VOL,
1138 unsigned int CTRL,
1139 unsigned int EC)
1140 {
1141 unsigned int ctlcmds[4];
1142
1143 outb((unsigned char)(Channel & 0x001f),ALI_REG(codec,ALI_GC_CIR));
1144
1145 ctlcmds[0] = (CSO << 16) | (ALPHA_FMS & 0x0000ffff);
1146 ctlcmds[1] = LBA;
1147 ctlcmds[2] = (ESO << 16) | (DELTA & 0x0ffff);
1148 ctlcmds[3] = (GVSEL << 31) |
1149 ((PAN & 0x0000007f) << 24) |
1150 ((VOL & 0x000000ff) << 16) |
1151 ((CTRL & 0x0000000f) << 12) |
1152 (EC & 0x00000fff);
1153
1154 outb(Channel, ALI_REG(codec, ALI_GC_CIR));
1155
1156 outl(ctlcmds[0], ALI_REG(codec,ALI_CSO_ALPHA_FMS));
1157 outl(ctlcmds[1], ALI_REG(codec,ALI_LBA));
1158 outl(ctlcmds[2], ALI_REG(codec,ALI_ESO_DELTA));
1159 outl(ctlcmds[3], ALI_REG(codec,ALI_GVSEL_PAN_VOC_CTRL_EC));
1160
1161 outl(0x30000000, ALI_REG(codec, ALI_EBUF1)); /* Still Mode */
1162 outl(0x30000000, ALI_REG(codec, ALI_EBUF2)); /* Still Mode */
1163 }
1164
1165 static unsigned int snd_ali_convert_rate(unsigned int rate, int rec)
1166 {
1167 unsigned int delta;
1168
1169 if (rate < 4000) rate = 4000;
1170 if (rate > 48000) rate = 48000;
1171
1172 if (rec) {
1173 if (rate == 44100)
1174 delta = 0x116a;
1175 else if (rate == 8000)
1176 delta = 0x6000;
1177 else if (rate == 48000)
1178 delta = 0x1000;
1179 else
1180 delta = ((48000 << 12) / rate) & 0x0000ffff;
1181 } else {
1182 if (rate == 44100)
1183 delta = 0xeb3;
1184 else if (rate == 8000)
1185 delta = 0x2ab;
1186 else if (rate == 48000)
1187 delta = 0x1000;
1188 else
1189 delta = (((rate << 12) + rate) / 48000) & 0x0000ffff;
1190 }
1191
1192 return delta;
1193 }
1194
1195 static unsigned int snd_ali_control_mode(struct snd_pcm_substream *substream)
1196 {
1197 unsigned int CTRL;
1198 struct snd_pcm_runtime *runtime = substream->runtime;
1199
1200 /* set ctrl mode
1201 CTRL default: 8-bit (unsigned) mono, loop mode enabled
1202 */
1203 CTRL = 0x00000001;
1204 if (snd_pcm_format_width(runtime->format) == 16)
1205 CTRL |= 0x00000008; // 16-bit data
1206 if (!snd_pcm_format_unsigned(runtime->format))
1207 CTRL |= 0x00000002; // signed data
1208 if (runtime->channels > 1)
1209 CTRL |= 0x00000004; // stereo data
1210 return CTRL;
1211 }
1212
1213 /*
1214 * PCM part
1215 */
1216
1217 static int snd_ali_ioctl(struct snd_pcm_substream *substream,
1218 unsigned int cmd, void *arg)
1219 {
1220 return snd_pcm_lib_ioctl(substream, cmd, arg);
1221 }
1222
1223 static int snd_ali_trigger(struct snd_pcm_substream *substream,
1224 int cmd)
1225
1226 {
1227 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1228 struct list_head *pos;
1229 struct snd_pcm_substream *s;
1230 unsigned int what, whati, capture_flag;
1231 struct snd_ali_voice *pvoice = NULL, *evoice = NULL;
1232 unsigned int val;
1233 int do_start;
1234
1235 switch (cmd) {
1236 case SNDRV_PCM_TRIGGER_START:
1237 case SNDRV_PCM_TRIGGER_RESUME:
1238 do_start = 1; break;
1239 case SNDRV_PCM_TRIGGER_STOP:
1240 case SNDRV_PCM_TRIGGER_SUSPEND:
1241 do_start = 0; break;
1242 default:
1243 return -EINVAL;
1244 }
1245
1246 what = whati = capture_flag = 0;
1247 snd_pcm_group_for_each(pos, substream) {
1248 s = snd_pcm_group_substream_entry(pos);
1249 if ((struct snd_ali *) snd_pcm_substream_chip(s) == codec) {
1250 pvoice = s->runtime->private_data;
1251 evoice = pvoice->extra;
1252 what |= 1 << (pvoice->number & 0x1f);
1253 if (evoice == NULL) {
1254 whati |= 1 << (pvoice->number & 0x1f);
1255 } else {
1256 whati |= 1 << (evoice->number & 0x1f);
1257 what |= 1 << (evoice->number & 0x1f);
1258 }
1259 if (do_start) {
1260 pvoice->running = 1;
1261 if (evoice != NULL)
1262 evoice->running = 1;
1263 } else {
1264 pvoice->running = 0;
1265 if (evoice != NULL)
1266 evoice->running = 0;
1267 }
1268 snd_pcm_trigger_done(s, substream);
1269 if (pvoice->mode)
1270 capture_flag = 1;
1271 }
1272 }
1273 spin_lock(&codec->reg_lock);
1274 if (! do_start) {
1275 outl(what, ALI_REG(codec, ALI_STOP));
1276 }
1277 val = inl(ALI_REG(codec, ALI_AINTEN));
1278 if (do_start) {
1279 val |= whati;
1280 } else {
1281 val &= ~whati;
1282 }
1283 outl(val, ALI_REG(codec, ALI_AINTEN));
1284 if (do_start) {
1285 outl(what, ALI_REG(codec, ALI_START));
1286 }
1287 snd_ali_printk("trigger: what=%xh whati=%xh\n",what,whati);
1288 spin_unlock(&codec->reg_lock);
1289
1290 return 0;
1291 }
1292
1293 static int snd_ali_playback_hw_params(struct snd_pcm_substream *substream,
1294 struct snd_pcm_hw_params *hw_params)
1295 {
1296 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1297 struct snd_pcm_runtime *runtime = substream->runtime;
1298 struct snd_ali_voice *pvoice = runtime->private_data;
1299 struct snd_ali_voice *evoice = pvoice->extra;
1300 int err;
1301 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1302 if (err < 0) return err;
1303
1304 /* voice management */
1305
1306 if (params_buffer_size(hw_params)/2 != params_period_size(hw_params)) {
1307 if (evoice == NULL) {
1308 evoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, 0, -1);
1309 if (evoice == NULL)
1310 return -ENOMEM;
1311 pvoice->extra = evoice;
1312 evoice->substream = substream;
1313 }
1314 } else {
1315 if (evoice != NULL) {
1316 snd_ali_free_voice(codec, evoice);
1317 pvoice->extra = evoice = NULL;
1318 }
1319 }
1320
1321 return 0;
1322 }
1323
1324 static int snd_ali_playback_hw_free(struct snd_pcm_substream *substream)
1325 {
1326 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1327 struct snd_pcm_runtime *runtime = substream->runtime;
1328 struct snd_ali_voice *pvoice = runtime->private_data;
1329 struct snd_ali_voice *evoice = pvoice ? pvoice->extra : NULL;
1330
1331 snd_pcm_lib_free_pages(substream);
1332 if (evoice != NULL) {
1333 snd_ali_free_voice(codec, evoice);
1334 pvoice->extra = NULL;
1335 }
1336 return 0;
1337 }
1338
1339 static int snd_ali_hw_params(struct snd_pcm_substream *substream,
1340 struct snd_pcm_hw_params *hw_params)
1341 {
1342 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1343 }
1344
1345 static int snd_ali_hw_free(struct snd_pcm_substream *substream)
1346 {
1347 return snd_pcm_lib_free_pages(substream);
1348 }
1349
1350 static int snd_ali_playback_prepare(struct snd_pcm_substream *substream)
1351 {
1352 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1353 struct snd_pcm_runtime *runtime = substream->runtime;
1354 struct snd_ali_voice *pvoice = runtime->private_data;
1355 struct snd_ali_voice *evoice = pvoice->extra;
1356
1357 unsigned int LBA;
1358 unsigned int Delta;
1359 unsigned int ESO;
1360 unsigned int CTRL;
1361 unsigned int GVSEL;
1362 unsigned int PAN;
1363 unsigned int VOL;
1364 unsigned int EC;
1365
1366 snd_ali_printk("playback_prepare ...\n");
1367
1368 spin_lock_irq(&codec->reg_lock);
1369
1370 /* set Delta (rate) value */
1371 Delta = snd_ali_convert_rate(runtime->rate, 0);
1372
1373 if ((pvoice->number == ALI_SPDIF_IN_CHANNEL) ||
1374 (pvoice->number == ALI_PCM_IN_CHANNEL))
1375 snd_ali_disable_special_channel(codec, pvoice->number);
1376 else if (codec->spdif_support &&
1377 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_OUT_CH_ENABLE)
1378 && (pvoice->number == ALI_SPDIF_OUT_CHANNEL)) {
1379 snd_ali_set_spdif_out_rate(codec, runtime->rate);
1380 Delta = 0x1000;
1381 }
1382
1383 /* set Loop Back Address */
1384 LBA = runtime->dma_addr;
1385
1386 /* set interrupt count size */
1387 pvoice->count = runtime->period_size;
1388
1389 /* set target ESO for channel */
1390 pvoice->eso = runtime->buffer_size;
1391
1392 snd_ali_printk("playback_prepare: eso=%xh count=%xh\n",pvoice->eso,pvoice->count);
1393
1394 /* set ESO to capture first MIDLP interrupt */
1395 ESO = pvoice->eso -1;
1396 /* set ctrl mode */
1397 CTRL = snd_ali_control_mode(substream);
1398
1399 GVSEL = 1;
1400 PAN = 0;
1401 VOL = 0;
1402 EC = 0;
1403 snd_ali_printk("playback_prepare:\n ch=%d, Rate=%d Delta=%xh,GVSEL=%xh,PAN=%xh,CTRL=%xh\n",pvoice->number,runtime->rate,Delta,GVSEL,PAN,CTRL);
1404 snd_ali_write_voice_regs( codec,
1405 pvoice->number,
1406 LBA,
1407 0, /* cso */
1408 ESO,
1409 Delta,
1410 0, /* alpha */
1411 GVSEL,
1412 PAN,
1413 VOL,
1414 CTRL,
1415 EC);
1416 if (evoice != NULL) {
1417 evoice->count = pvoice->count;
1418 evoice->eso = pvoice->count << 1;
1419 ESO = evoice->eso - 1;
1420 snd_ali_write_voice_regs(codec,
1421 evoice->number,
1422 LBA,
1423 0, /* cso */
1424 ESO,
1425 Delta,
1426 0, /* alpha */
1427 GVSEL,
1428 (unsigned int)0x7f,
1429 (unsigned int)0x3ff,
1430 CTRL,
1431 EC);
1432 }
1433 spin_unlock_irq(&codec->reg_lock);
1434 return 0;
1435 }
1436
1437
1438 static int snd_ali_prepare(struct snd_pcm_substream *substream)
1439 {
1440 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1441 struct snd_pcm_runtime *runtime = substream->runtime;
1442 struct snd_ali_voice *pvoice = runtime->private_data;
1443 unsigned int LBA;
1444 unsigned int Delta;
1445 unsigned int ESO;
1446 unsigned int CTRL;
1447 unsigned int GVSEL;
1448 unsigned int PAN;
1449 unsigned int VOL;
1450 unsigned int EC;
1451 u8 bValue;
1452
1453 spin_lock_irq(&codec->reg_lock);
1454
1455 snd_ali_printk("ali_prepare...\n");
1456
1457 snd_ali_enable_special_channel(codec,pvoice->number);
1458
1459 Delta = (pvoice->number == ALI_MODEM_IN_CHANNEL ||
1460 pvoice->number == ALI_MODEM_OUT_CHANNEL) ?
1461 0x1000 : snd_ali_convert_rate(runtime->rate, pvoice->mode);
1462
1463 // Prepare capture intr channel
1464 if (pvoice->number == ALI_SPDIF_IN_CHANNEL) {
1465
1466 unsigned int rate;
1467
1468 spin_unlock_irq(&codec->reg_lock);
1469 if (codec->revision != ALI_5451_V02)
1470 return -1;
1471
1472 rate = snd_ali_get_spdif_in_rate(codec);
1473 if (rate == 0) {
1474 snd_printk(KERN_WARNING "ali_capture_preapre: spdif rate detect err!\n");
1475 rate = 48000;
1476 }
1477 spin_lock_irq(&codec->reg_lock);
1478 bValue = inb(ALI_REG(codec,ALI_SPDIF_CTRL));
1479 if (bValue & 0x10) {
1480 outb(bValue,ALI_REG(codec,ALI_SPDIF_CTRL));
1481 printk(KERN_WARNING "clear SPDIF parity error flag.\n");
1482 }
1483
1484 if (rate != 48000)
1485 Delta = ((rate << 12)/runtime->rate)&0x00ffff;
1486 }
1487
1488 // set target ESO for channel
1489 pvoice->eso = runtime->buffer_size;
1490
1491 // set interrupt count size
1492 pvoice->count = runtime->period_size;
1493
1494 // set Loop Back Address
1495 LBA = runtime->dma_addr;
1496
1497 // set ESO to capture first MIDLP interrupt
1498 ESO = pvoice->eso - 1;
1499 CTRL = snd_ali_control_mode(substream);
1500 GVSEL = 0;
1501 PAN = 0x00;
1502 VOL = 0x00;
1503 EC = 0;
1504
1505 snd_ali_write_voice_regs( codec,
1506 pvoice->number,
1507 LBA,
1508 0, /* cso */
1509 ESO,
1510 Delta,
1511 0, /* alpha */
1512 GVSEL,
1513 PAN,
1514 VOL,
1515 CTRL,
1516 EC);
1517
1518
1519 spin_unlock_irq(&codec->reg_lock);
1520
1521 return 0;
1522 }
1523
1524
1525 static snd_pcm_uframes_t snd_ali_playback_pointer(struct snd_pcm_substream *substream)
1526 {
1527 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1528 struct snd_pcm_runtime *runtime = substream->runtime;
1529 struct snd_ali_voice *pvoice = runtime->private_data;
1530 unsigned int cso;
1531
1532 spin_lock(&codec->reg_lock);
1533 if (!pvoice->running) {
1534 spin_unlock(&codec->reg_lock);
1535 return 0;
1536 }
1537 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1538 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1539 spin_unlock(&codec->reg_lock);
1540 snd_ali_printk("playback pointer returned cso=%xh.\n", cso);
1541
1542 return cso;
1543 }
1544
1545
1546 static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream)
1547 {
1548 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1549 struct snd_pcm_runtime *runtime = substream->runtime;
1550 struct snd_ali_voice *pvoice = runtime->private_data;
1551 unsigned int cso;
1552
1553 spin_lock(&codec->reg_lock);
1554 if (!pvoice->running) {
1555 spin_unlock_irq(&codec->reg_lock);
1556 return 0;
1557 }
1558 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1559 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1560 spin_unlock(&codec->reg_lock);
1561
1562 return cso;
1563 }
1564
1565 static struct snd_pcm_hardware snd_ali_playback =
1566 {
1567 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1568 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1569 SNDRV_PCM_INFO_MMAP_VALID |
1570 SNDRV_PCM_INFO_RESUME |
1571 SNDRV_PCM_INFO_SYNC_START),
1572 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1573 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1574 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1575 .rate_min = 4000,
1576 .rate_max = 48000,
1577 .channels_min = 1,
1578 .channels_max = 2,
1579 .buffer_bytes_max = (256*1024),
1580 .period_bytes_min = 64,
1581 .period_bytes_max = (256*1024),
1582 .periods_min = 1,
1583 .periods_max = 1024,
1584 .fifo_size = 0,
1585 };
1586
1587 /*
1588 * Capture support device description
1589 */
1590
1591 static struct snd_pcm_hardware snd_ali_capture =
1592 {
1593 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1594 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1595 SNDRV_PCM_INFO_MMAP_VALID |
1596 SNDRV_PCM_INFO_RESUME |
1597 SNDRV_PCM_INFO_SYNC_START),
1598 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1599 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1600 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1601 .rate_min = 4000,
1602 .rate_max = 48000,
1603 .channels_min = 1,
1604 .channels_max = 2,
1605 .buffer_bytes_max = (128*1024),
1606 .period_bytes_min = 64,
1607 .period_bytes_max = (128*1024),
1608 .periods_min = 1,
1609 .periods_max = 1024,
1610 .fifo_size = 0,
1611 };
1612
1613 static void snd_ali_pcm_free_substream(struct snd_pcm_runtime *runtime)
1614 {
1615 struct snd_ali_voice *pvoice = runtime->private_data;
1616 struct snd_ali *codec;
1617
1618 if (pvoice) {
1619 codec = pvoice->codec;
1620 snd_ali_free_voice(pvoice->codec, pvoice);
1621 }
1622 }
1623
1624 static int snd_ali_open(struct snd_pcm_substream *substream, int rec, int channel,
1625 struct snd_pcm_hardware *phw)
1626 {
1627 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1628 struct snd_pcm_runtime *runtime = substream->runtime;
1629 struct snd_ali_voice *pvoice;
1630
1631 pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, rec, channel);
1632 if (pvoice == NULL)
1633 return -EAGAIN;
1634
1635 pvoice->substream = substream;
1636 runtime->private_data = pvoice;
1637 runtime->private_free = snd_ali_pcm_free_substream;
1638
1639 runtime->hw = *phw;
1640 snd_pcm_set_sync(substream);
1641 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024);
1642 return 0;
1643 }
1644
1645 static int snd_ali_playback_open(struct snd_pcm_substream *substream)
1646 {
1647 return snd_ali_open(substream, 0, -1, &snd_ali_playback);
1648 }
1649
1650 static int snd_ali_capture_open(struct snd_pcm_substream *substream)
1651 {
1652 return snd_ali_open(substream, 1, -1, &snd_ali_capture);
1653 }
1654
1655 static int snd_ali_playback_close(struct snd_pcm_substream *substream)
1656 {
1657 return 0;
1658 }
1659
1660 static int snd_ali_close(struct snd_pcm_substream *substream)
1661 {
1662 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1663 struct snd_ali_voice *pvoice = substream->runtime->private_data;
1664
1665 snd_ali_disable_special_channel(codec,pvoice->number);
1666
1667 return 0;
1668 }
1669
1670 static struct snd_pcm_ops snd_ali_playback_ops = {
1671 .open = snd_ali_playback_open,
1672 .close = snd_ali_playback_close,
1673 .ioctl = snd_ali_ioctl,
1674 .hw_params = snd_ali_playback_hw_params,
1675 .hw_free = snd_ali_playback_hw_free,
1676 .prepare = snd_ali_playback_prepare,
1677 .trigger = snd_ali_trigger,
1678 .pointer = snd_ali_playback_pointer,
1679 };
1680
1681 static struct snd_pcm_ops snd_ali_capture_ops = {
1682 .open = snd_ali_capture_open,
1683 .close = snd_ali_close,
1684 .ioctl = snd_ali_ioctl,
1685 .hw_params = snd_ali_hw_params,
1686 .hw_free = snd_ali_hw_free,
1687 .prepare = snd_ali_prepare,
1688 .trigger = snd_ali_trigger,
1689 .pointer = snd_ali_pointer,
1690 };
1691
1692 /*
1693 * Modem PCM
1694 */
1695
1696 static int snd_ali_modem_hw_params(struct snd_pcm_substream *substream,
1697 struct snd_pcm_hw_params *hw_params)
1698 {
1699 struct snd_ali *chip = snd_pcm_substream_chip(substream);
1700 unsigned int modem_num = chip->num_of_codecs - 1;
1701 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_RATE, params_rate(hw_params));
1702 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_LEVEL, 0);
1703 return snd_ali_hw_params(substream, hw_params);
1704 }
1705
1706 static struct snd_pcm_hardware snd_ali_modem =
1707 {
1708 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1709 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1710 SNDRV_PCM_INFO_MMAP_VALID |
1711 SNDRV_PCM_INFO_RESUME |
1712 SNDRV_PCM_INFO_SYNC_START),
1713 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1714 .rates = SNDRV_PCM_RATE_KNOT|SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000,
1715 .rate_min = 8000,
1716 .rate_max = 16000,
1717 .channels_min = 1,
1718 .channels_max = 1,
1719 .buffer_bytes_max = (256*1024),
1720 .period_bytes_min = 64,
1721 .period_bytes_max = (256*1024),
1722 .periods_min = 1,
1723 .periods_max = 1024,
1724 .fifo_size = 0,
1725 };
1726
1727 static int snd_ali_modem_open(struct snd_pcm_substream *substream, int rec, int channel)
1728 {
1729 static unsigned int rates [] = {8000,9600,12000,16000};
1730 static struct snd_pcm_hw_constraint_list hw_constraint_rates = {
1731 .count = ARRAY_SIZE(rates),
1732 .list = rates,
1733 .mask = 0,
1734 };
1735 int err = snd_ali_open(substream, rec, channel, &snd_ali_modem);
1736 if (err)
1737 return err;
1738 return snd_pcm_hw_constraint_list(substream->runtime, 0,
1739 SNDRV_PCM_HW_PARAM_RATE, &hw_constraint_rates);
1740 }
1741
1742 static int snd_ali_modem_playback_open(struct snd_pcm_substream *substream)
1743 {
1744 return snd_ali_modem_open(substream, 0, ALI_MODEM_OUT_CHANNEL);
1745 }
1746
1747 static int snd_ali_modem_capture_open(struct snd_pcm_substream *substream)
1748 {
1749 return snd_ali_modem_open(substream, 1, ALI_MODEM_IN_CHANNEL);
1750 }
1751
1752 static struct snd_pcm_ops snd_ali_modem_playback_ops = {
1753 .open = snd_ali_modem_playback_open,
1754 .close = snd_ali_close,
1755 .ioctl = snd_pcm_lib_ioctl,
1756 .hw_params = snd_ali_modem_hw_params,
1757 .hw_free = snd_ali_hw_free,
1758 .prepare = snd_ali_prepare,
1759 .trigger = snd_ali_trigger,
1760 .pointer = snd_ali_pointer,
1761 };
1762
1763 static struct snd_pcm_ops snd_ali_modem_capture_ops = {
1764 .open = snd_ali_modem_capture_open,
1765 .close = snd_ali_close,
1766 .ioctl = snd_pcm_lib_ioctl,
1767 .hw_params = snd_ali_modem_hw_params,
1768 .hw_free = snd_ali_hw_free,
1769 .prepare = snd_ali_prepare,
1770 .trigger = snd_ali_trigger,
1771 .pointer = snd_ali_pointer,
1772 };
1773
1774
1775 struct ali_pcm_description {
1776 char *name;
1777 unsigned int playback_num;
1778 unsigned int capture_num;
1779 struct snd_pcm_ops *playback_ops;
1780 struct snd_pcm_ops *capture_ops;
1781 unsigned short class;
1782 };
1783
1784
1785 static void snd_ali_pcm_free(struct snd_pcm *pcm)
1786 {
1787 struct snd_ali *codec = pcm->private_data;
1788 codec->pcm[pcm->device] = NULL;
1789 }
1790
1791
1792 static int __devinit snd_ali_pcm(struct snd_ali * codec, int device, struct ali_pcm_description *desc)
1793 {
1794 struct snd_pcm *pcm;
1795 int err;
1796
1797 err = snd_pcm_new(codec->card, desc->name, device,
1798 desc->playback_num, desc->capture_num, &pcm);
1799 if (err < 0) {
1800 snd_printk(KERN_ERR "snd_ali_pcm: err called snd_pcm_new.\n");
1801 return err;
1802 }
1803 pcm->private_data = codec;
1804 pcm->private_free = snd_ali_pcm_free;
1805 if (desc->playback_ops)
1806 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, desc->playback_ops);
1807 if (desc->capture_ops)
1808 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, desc->capture_ops);
1809
1810 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1811 snd_dma_pci_data(codec->pci), 64*1024, 128*1024);
1812
1813 pcm->info_flags = 0;
1814 pcm->dev_class = desc->class;
1815 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1816 strcpy(pcm->name, desc->name);
1817 codec->pcm[0] = pcm;
1818 return 0;
1819 }
1820
1821 static struct ali_pcm_description ali_pcms[] = {
1822 { "ALI 5451", ALI_CHANNELS, 1, &snd_ali_playback_ops, &snd_ali_capture_ops },
1823 { "ALI 5451 modem", 1, 1, &snd_ali_modem_playback_ops, &snd_ali_modem_capture_ops, SNDRV_PCM_CLASS_MODEM }
1824 };
1825
1826 static int __devinit snd_ali_build_pcms(struct snd_ali *codec)
1827 {
1828 int i, err;
1829 for(i = 0 ; i < codec->num_of_codecs && i < ARRAY_SIZE(ali_pcms) ; i++)
1830 if((err = snd_ali_pcm(codec, i, &ali_pcms[i])) < 0)
1831 return err;
1832 return 0;
1833 }
1834
1835
1836 #define ALI5451_SPDIF(xname, xindex, value) \
1837 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
1838 .info = snd_ali5451_spdif_info, .get = snd_ali5451_spdif_get, \
1839 .put = snd_ali5451_spdif_put, .private_value = value}
1840
1841 static int snd_ali5451_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
1842 {
1843 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1844 uinfo->count = 1;
1845 uinfo->value.integer.min = 0;
1846 uinfo->value.integer.max = 1;
1847 return 0;
1848 }
1849
1850 static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1851 {
1852 struct snd_ali *codec = kcontrol->private_data;
1853 unsigned int enable;
1854
1855 enable = ucontrol->value.integer.value[0] ? 1 : 0;
1856
1857 spin_lock_irq(&codec->reg_lock);
1858 switch(kcontrol->private_value) {
1859 case 0:
1860 enable = (codec->spdif_mask & 0x02) ? 1 : 0;
1861 break;
1862 case 1:
1863 enable = ((codec->spdif_mask & 0x02) && (codec->spdif_mask & 0x04)) ? 1 : 0;
1864 break;
1865 case 2:
1866 enable = (codec->spdif_mask & 0x01) ? 1 : 0;
1867 break;
1868 default:
1869 break;
1870 }
1871 ucontrol->value.integer.value[0] = enable;
1872 spin_unlock_irq(&codec->reg_lock);
1873 return 0;
1874 }
1875
1876 static int snd_ali5451_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
1877 {
1878 struct snd_ali *codec = kcontrol->private_data;
1879 unsigned int change = 0, enable = 0;
1880
1881 enable = ucontrol->value.integer.value[0] ? 1 : 0;
1882
1883 spin_lock_irq(&codec->reg_lock);
1884 switch (kcontrol->private_value) {
1885 case 0:
1886 change = (codec->spdif_mask & 0x02) ? 1 : 0;
1887 change = change ^ enable;
1888 if (change) {
1889 if (enable) {
1890 codec->spdif_mask |= 0x02;
1891 snd_ali_enable_spdif_out(codec);
1892 } else {
1893 codec->spdif_mask &= ~(0x02);
1894 codec->spdif_mask &= ~(0x04);
1895 snd_ali_disable_spdif_out(codec);
1896 }
1897 }
1898 break;
1899 case 1:
1900 change = (codec->spdif_mask & 0x04) ? 1 : 0;
1901 change = change ^ enable;
1902 if (change && (codec->spdif_mask & 0x02)) {
1903 if (enable) {
1904 codec->spdif_mask |= 0x04;
1905 snd_ali_enable_spdif_chnout(codec);
1906 } else {
1907 codec->spdif_mask &= ~(0x04);
1908 snd_ali_disable_spdif_chnout(codec);
1909 }
1910 }
1911 break;
1912 case 2:
1913 change = (codec->spdif_mask & 0x01) ? 1 : 0;
1914 change = change ^ enable;
1915 if (change) {
1916 if (enable) {
1917 codec->spdif_mask |= 0x01;
1918 snd_ali_enable_spdif_in(codec);
1919 } else {
1920 codec->spdif_mask &= ~(0x01);
1921 snd_ali_disable_spdif_in(codec);
1922 }
1923 }
1924 break;
1925 default:
1926 break;
1927 }
1928 spin_unlock_irq(&codec->reg_lock);
1929
1930 return change;
1931 }
1932
1933 static struct snd_kcontrol_new snd_ali5451_mixer_spdif[] __devinitdata = {
1934 /* spdif aplayback switch */
1935 /* FIXME: "IEC958 Playback Switch" may conflict with one on ac97_codec */
1936 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 0, 0),
1937 /* spdif out to spdif channel */
1938 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Channel Output ",NONE,SWITCH), 0, 1),
1939 /* spdif in from spdif channel */
1940 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, 2)
1941 };
1942
1943 static void snd_ali_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1944 {
1945 struct snd_ali *codec = bus->private_data;
1946 codec->ac97_bus = NULL;
1947 }
1948
1949 static void snd_ali_mixer_free_ac97(struct snd_ac97 *ac97)
1950 {
1951 struct snd_ali *codec = ac97->private_data;
1952 codec->ac97[ac97->num] = NULL;
1953 }
1954
1955 static int __devinit snd_ali_mixer(struct snd_ali * codec)
1956 {
1957 struct snd_ac97_template ac97;
1958 unsigned int idx;
1959 int i, err;
1960 static struct snd_ac97_bus_ops ops = {
1961 .write = snd_ali_codec_write,
1962 .read = snd_ali_codec_read,
1963 };
1964
1965 if ((err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus)) < 0)
1966 return err;
1967 codec->ac97_bus->private_free = snd_ali_mixer_free_ac97_bus;
1968
1969 memset(&ac97, 0, sizeof(ac97));
1970 ac97.private_data = codec;
1971 ac97.private_free = snd_ali_mixer_free_ac97;
1972
1973 for ( i = 0 ; i < codec->num_of_codecs ; i++) {
1974 ac97.num = i;
1975 if ((err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97[i])) < 0) {
1976 snd_printk(KERN_ERR "ali mixer %d creating error.\n", i);
1977 if(i == 0)
1978 return err;
1979 codec->num_of_codecs = 1;
1980 break;
1981 }
1982 }
1983
1984 if (codec->spdif_support) {
1985 for(idx = 0; idx < ARRAY_SIZE(snd_ali5451_mixer_spdif); idx++) {
1986 err=snd_ctl_add(codec->card, snd_ctl_new1(&snd_ali5451_mixer_spdif[idx], codec));
1987 if (err < 0) return err;
1988 }
1989 }
1990 return 0;
1991 }
1992
1993 #ifdef CONFIG_PM
1994 static int ali_suspend(struct pci_dev *pci, pm_message_t state)
1995 {
1996 struct snd_card *card = pci_get_drvdata(pci);
1997 struct snd_ali *chip = card->private_data;
1998 struct snd_ali_image *im;
1999 int i, j;
2000
2001 im = chip->image;
2002 if (! im)
2003 return 0;
2004
2005 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2006 for(i = 0 ; i < chip->num_of_codecs ; i++) {
2007 snd_pcm_suspend_all(chip->pcm[i]);
2008 snd_ac97_suspend(chip->ac97[i]);
2009 }
2010
2011 spin_lock_irq(&chip->reg_lock);
2012
2013 im->regs[ALI_MISCINT >> 2] = inl(ALI_REG(chip, ALI_MISCINT));
2014 // im->regs[ALI_START >> 2] = inl(ALI_REG(chip, ALI_START));
2015 im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP));
2016
2017 // disable all IRQ bits
2018 outl(0, ALI_REG(chip, ALI_MISCINT));
2019
2020 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
2021 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP))
2022 continue;
2023 im->regs[i] = inl(ALI_REG(chip, i*4));
2024 }
2025
2026 for (i = 0; i < ALI_CHANNELS; i++) {
2027 outb(i, ALI_REG(chip, ALI_GC_CIR));
2028 for (j = 0; j < ALI_CHANNEL_REGS; j++)
2029 im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0));
2030 }
2031
2032 // stop all HW channel
2033 outl(0xffffffff, ALI_REG(chip, ALI_STOP));
2034
2035 spin_unlock_irq(&chip->reg_lock);
2036 pci_disable_device(pci);
2037 pci_save_state(pci);
2038 return 0;
2039 }
2040
2041 static int ali_resume(struct pci_dev *pci)
2042 {
2043 struct snd_card *card = pci_get_drvdata(pci);
2044 struct snd_ali *chip = card->private_data;
2045 struct snd_ali_image *im;
2046 int i, j;
2047
2048 im = chip->image;
2049 if (! im)
2050 return 0;
2051
2052 pci_restore_state(pci);
2053 pci_enable_device(pci);
2054
2055 spin_lock_irq(&chip->reg_lock);
2056
2057 for (i = 0; i < ALI_CHANNELS; i++) {
2058 outb(i, ALI_REG(chip, ALI_GC_CIR));
2059 for (j = 0; j < ALI_CHANNEL_REGS; j++)
2060 outl(im->channel_regs[i][j], ALI_REG(chip, j*4 + 0xe0));
2061 }
2062
2063 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
2064 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) || (i*4 == ALI_START))
2065 continue;
2066 outl(im->regs[i], ALI_REG(chip, i*4));
2067 }
2068
2069 // start HW channel
2070 outl(im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START));
2071 // restore IRQ enable bits
2072 outl(im->regs[ALI_MISCINT >> 2], ALI_REG(chip, ALI_MISCINT));
2073
2074 spin_unlock_irq(&chip->reg_lock);
2075
2076 for(i = 0 ; i < chip->num_of_codecs ; i++)
2077 snd_ac97_resume(chip->ac97[i]);
2078
2079 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2080 return 0;
2081 }
2082 #endif /* CONFIG_PM */
2083
2084 static int snd_ali_free(struct snd_ali * codec)
2085 {
2086 if (codec->hw_initialized)
2087 snd_ali_disable_address_interrupt(codec);
2088 if (codec->irq >= 0) {
2089 synchronize_irq(codec->irq);
2090 free_irq(codec->irq, (void *)codec);
2091 }
2092 if (codec->port)
2093 pci_release_regions(codec->pci);
2094 pci_disable_device(codec->pci);
2095 #ifdef CONFIG_PM
2096 kfree(codec->image);
2097 #endif
2098 pci_dev_put(codec->pci_m1533);
2099 pci_dev_put(codec->pci_m7101);
2100 kfree(codec);
2101 return 0;
2102 }
2103
2104 static int snd_ali_chip_init(struct snd_ali *codec)
2105 {
2106 unsigned int legacy;
2107 unsigned char temp;
2108 struct pci_dev *pci_dev = NULL;
2109
2110 snd_ali_printk("chip initializing ... \n");
2111
2112 if (snd_ali_reset_5451(codec)) {
2113 snd_printk(KERN_ERR "ali_chip_init: reset 5451 error.\n");
2114 return -1;
2115 }
2116
2117 if (codec->revision == ALI_5451_V02) {
2118 pci_dev = codec->pci_m1533;
2119 pci_read_config_byte(pci_dev, 0x59, &temp);
2120 temp |= 0x80;
2121 pci_write_config_byte(pci_dev, 0x59, temp);
2122
2123 pci_dev = codec->pci_m7101;
2124 pci_read_config_byte(pci_dev, 0xb8, &temp);
2125 temp |= 0x20;
2126 pci_write_config_byte(pci_dev, 0xB8, temp);
2127 }
2128
2129 pci_read_config_dword(codec->pci, 0x44, &legacy);
2130 legacy &= 0xff00ff00;
2131 legacy |= 0x000800aa;
2132 pci_write_config_dword(codec->pci, 0x44, legacy);
2133
2134 outl(0x80000001, ALI_REG(codec, ALI_GLOBAL_CONTROL));
2135 outl(0x00000000, ALI_REG(codec, ALI_AINTEN));
2136 outl(0xffffffff, ALI_REG(codec, ALI_AINT));
2137 outl(0x00000000, ALI_REG(codec, ALI_VOLUME));
2138 outb(0x10, ALI_REG(codec, ALI_MPUR2));
2139
2140 codec->ac97_ext_id = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_ID);
2141 codec->ac97_ext_status = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_STATUS);
2142 if (codec->spdif_support) {
2143 snd_ali_enable_spdif_out(codec);
2144 codec->spdif_mask = 0x00000002;
2145 }
2146
2147 codec->num_of_codecs = 1;
2148
2149 /* secondary codec - modem */
2150 if (inl(ALI_REG(codec, ALI_SCTRL)) & ALI_SCTRL_CODEC2_READY) {
2151 codec->num_of_codecs++;
2152 outl(inl(ALI_REG(codec, ALI_SCTRL)) |
2153 (ALI_SCTRL_LINE_IN2|ALI_SCTRL_GPIO_IN2|ALI_SCTRL_LINE_OUT_EN),
2154 ALI_REG(codec, ALI_SCTRL));
2155 }
2156
2157 snd_ali_printk("chip initialize succeed.\n");
2158 return 0;
2159
2160 }
2161
2162 /* proc for register dump */
2163 static void snd_ali_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buf)
2164 {
2165 struct snd_ali *codec = entry->private_data;
2166 int i;
2167 for(i = 0 ; i < 256 ; i+= 4)
2168 snd_iprintf(buf, "%02x: %08x\n", i, inl(ALI_REG(codec, i)));
2169 }
2170
2171 static void __devinit snd_ali_proc_init(struct snd_ali *codec)
2172 {
2173 struct snd_info_entry *entry;
2174 if(!snd_card_proc_new(codec->card, "ali5451", &entry))
2175 snd_info_set_text_ops(entry, codec, 1024, snd_ali_proc_read);
2176 }
2177
2178 static int __devinit snd_ali_resources(struct snd_ali *codec)
2179 {
2180 int err;
2181
2182 snd_ali_printk("resouces allocation ...\n");
2183 if ((err = pci_request_regions(codec->pci, "ALI 5451")) < 0)
2184 return err;
2185 codec->port = pci_resource_start(codec->pci, 0);
2186
2187 if (request_irq(codec->pci->irq, snd_ali_card_interrupt, SA_INTERRUPT|SA_SHIRQ, "ALI 5451", (void *)codec)) {
2188 snd_printk(KERN_ERR "Unable to request irq.\n");
2189 return -EBUSY;
2190 }
2191 codec->irq = codec->pci->irq;
2192 snd_ali_printk("resouces allocated.\n");
2193 return 0;
2194 }
2195 static int snd_ali_dev_free(struct snd_device *device)
2196 {
2197 struct snd_ali *codec=device->device_data;
2198 snd_ali_free(codec);
2199 return 0;
2200 }
2201
2202 static int __devinit snd_ali_create(struct snd_card *card,
2203 struct pci_dev *pci,
2204 int pcm_streams,
2205 int spdif_support,
2206 struct snd_ali ** r_ali)
2207 {
2208 struct snd_ali *codec;
2209 int i, err;
2210 unsigned short cmdw;
2211 static struct snd_device_ops ops = {
2212 .dev_free = snd_ali_dev_free,
2213 };
2214
2215 *r_ali = NULL;
2216
2217 snd_ali_printk("creating ...\n");
2218
2219 /* enable PCI device */
2220 if ((err = pci_enable_device(pci)) < 0)
2221 return err;
2222 /* check, if we can restrict PCI DMA transfers to 31 bits */
2223 if (pci_set_dma_mask(pci, 0x7fffffff) < 0 ||
2224 pci_set_consistent_dma_mask(pci, 0x7fffffff) < 0) {
2225 snd_printk(KERN_ERR "architecture does not support 31bit PCI busmaster DMA\n");
2226 pci_disable_device(pci);
2227 return -ENXIO;
2228 }
2229
2230 if ((codec = kzalloc(sizeof(*codec), GFP_KERNEL)) == NULL) {
2231 pci_disable_device(pci);
2232 return -ENOMEM;
2233 }
2234
2235 spin_lock_init(&codec->reg_lock);
2236 spin_lock_init(&codec->voice_alloc);
2237
2238 codec->card = card;
2239 codec->pci = pci;
2240 codec->irq = -1;
2241 pci_read_config_byte(pci, PCI_REVISION_ID, &codec->revision);
2242 codec->spdif_support = spdif_support;
2243
2244 if (pcm_streams < 1)
2245 pcm_streams = 1;
2246 if (pcm_streams > 32)
2247 pcm_streams = 32;
2248
2249 pci_set_master(pci);
2250 pci_read_config_word(pci, PCI_COMMAND, &cmdw);
2251 if ((cmdw & PCI_COMMAND_IO) != PCI_COMMAND_IO) {
2252 cmdw |= PCI_COMMAND_IO;
2253 pci_write_config_word(pci, PCI_COMMAND, cmdw);
2254 }
2255 pci_set_master(pci);
2256
2257 if (snd_ali_resources(codec)) {
2258 snd_ali_free(codec);
2259 return -EBUSY;
2260 }
2261
2262 synchronize_irq(pci->irq);
2263
2264 codec->synth.chmap = 0;
2265 codec->synth.chcnt = 0;
2266 codec->spdif_mask = 0;
2267 codec->synth.synthcount = 0;
2268
2269 if (codec->revision == ALI_5451_V02)
2270 codec->chregs.regs.ac97read = ALI_AC97_WRITE;
2271 else
2272 codec->chregs.regs.ac97read = ALI_AC97_READ;
2273 codec->chregs.regs.ac97write = ALI_AC97_WRITE;
2274
2275 codec->chregs.regs.start = ALI_START;
2276 codec->chregs.regs.stop = ALI_STOP;
2277 codec->chregs.regs.aint = ALI_AINT;
2278 codec->chregs.regs.ainten = ALI_AINTEN;
2279
2280 codec->chregs.data.start = 0x00;
2281 codec->chregs.data.stop = 0x00;
2282 codec->chregs.data.aint = 0x00;
2283 codec->chregs.data.ainten = 0x00;
2284
2285 /* M1533: southbridge */
2286 codec->pci_m1533 = pci_get_device(0x10b9, 0x1533, NULL);
2287 if (! codec->pci_m1533) {
2288 snd_printk(KERN_ERR "ali5451: cannot find ALi 1533 chip.\n");
2289 snd_ali_free(codec);
2290 return -ENODEV;
2291 }
2292 /* M7101: power management */
2293 codec->pci_m7101 = pci_get_device(0x10b9, 0x7101, NULL);
2294 if (! codec->pci_m7101 && codec->revision == ALI_5451_V02) {
2295 snd_printk(KERN_ERR "ali5451: cannot find ALi 7101 chip.\n");
2296 snd_ali_free(codec);
2297 return -ENODEV;
2298 }
2299
2300 snd_ali_printk("snd_device_new is called.\n");
2301 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops)) < 0) {
2302 snd_ali_free(codec);
2303 return err;
2304 }
2305
2306 /* initialise synth voices*/
2307 for (i = 0; i < ALI_CHANNELS; i++ ) {
2308 codec->synth.voices[i].number = i;
2309 }
2310
2311 if ((err = snd_ali_chip_init(codec)) < 0) {
2312 snd_printk(KERN_ERR "ali create: chip init error.\n");
2313 return err;
2314 }
2315
2316 #ifdef CONFIG_PM
2317 codec->image = kmalloc(sizeof(*codec->image), GFP_KERNEL);
2318 if (! codec->image)
2319 snd_printk(KERN_WARNING "can't allocate apm buffer\n");
2320 #endif
2321
2322 snd_ali_enable_address_interrupt(codec);
2323 codec->hw_initialized = 1;
2324
2325 *r_ali = codec;
2326 snd_ali_printk("created.\n");
2327 return 0;
2328 }
2329
2330 static int __devinit snd_ali_probe(struct pci_dev *pci,
2331 const struct pci_device_id *pci_id)
2332 {
2333 struct snd_card *card;
2334 struct snd_ali *codec;
2335 int err;
2336
2337 snd_ali_printk("probe ...\n");
2338
2339 card = snd_card_new(index, id, THIS_MODULE, 0);
2340 if (card == NULL)
2341 return -ENOMEM;
2342
2343 if ((err = snd_ali_create(card, pci, pcm_channels, spdif, &codec)) < 0) {
2344 snd_card_free(card);
2345 return err;
2346 }
2347 card->private_data = codec;
2348
2349 snd_ali_printk("mixer building ...\n");
2350 if ((err = snd_ali_mixer(codec)) < 0) {
2351 snd_card_free(card);
2352 return err;
2353 }
2354
2355 snd_ali_printk("pcm building ...\n");
2356 if ((err = snd_ali_build_pcms(codec)) < 0) {
2357 snd_card_free(card);
2358 return err;
2359 }
2360
2361 snd_ali_proc_init(codec);
2362
2363 strcpy(card->driver, "ALI5451");
2364 strcpy(card->shortname, "ALI 5451");
2365
2366 sprintf(card->longname, "%s at 0x%lx, irq %li",
2367 card->shortname, codec->port, codec->irq);
2368
2369 snd_ali_printk("register card.\n");
2370 if ((err = snd_card_register(card)) < 0) {
2371 snd_card_free(card);
2372 return err;
2373 }
2374 pci_set_drvdata(pci, card);
2375 return 0;
2376 }
2377
2378 static void __devexit snd_ali_remove(struct pci_dev *pci)
2379 {
2380 snd_card_free(pci_get_drvdata(pci));
2381 pci_set_drvdata(pci, NULL);
2382 }
2383
2384 static struct pci_driver driver = {
2385 .name = "ALI 5451",
2386 .id_table = snd_ali_ids,
2387 .probe = snd_ali_probe,
2388 .remove = __devexit_p(snd_ali_remove),
2389 #ifdef CONFIG_PM
2390 .suspend = ali_suspend,
2391 .resume = ali_resume,
2392 #endif
2393 };
2394
2395 static int __init alsa_card_ali_init(void)
2396 {
2397 return pci_register_driver(&driver);
2398 }
2399
2400 static void __exit alsa_card_ali_exit(void)
2401 {
2402 pci_unregister_driver(&driver);
2403 }
2404
2405 module_init(alsa_card_ali_init)
2406 module_exit(alsa_card_ali_exit)
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