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[ALSA] Fix schedule_timeout usage
[mirror_ubuntu-artful-kernel.git] / sound / pci / ali5451 / ali5451.c
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 typedef struct snd_stru_ali ali_t;
174 typedef struct snd_ali_stru_voice snd_ali_voice_t;
175
176 typedef 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 } snd_ali_channel_control_t;
196
197 struct snd_ali_stru_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 ali_t *codec;
207 snd_pcm_substream_t *substream;
208 snd_ali_voice_t *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 typedef struct snd_stru_alidev {
223
224 snd_ali_voice_t 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 } alidev_t;
231
232
233 #ifdef CONFIG_PM
234 #define ALI_GLOBAL_REGS 56
235 #define ALI_CHANNEL_REGS 8
236 typedef struct snd_ali_image {
237 unsigned long regs[ALI_GLOBAL_REGS];
238 unsigned long channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS];
239 } ali_image_t;
240 #endif
241
242
243 struct snd_stru_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 snd_card_t *card;
256 snd_pcm_t *pcm[MAX_CODECS];
257 alidev_t synth;
258 snd_ali_channel_control_t 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 ac97_bus_t *ac97_bus;
269 ac97_t *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 ali_image_t *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(ali_t *, unsigned int, unsigned int);
288 static unsigned short snd_ali_codec_peek(ali_t *, int, unsigned short);
289 static void snd_ali_codec_poke(ali_t *, int, unsigned short, unsigned short);
290
291 /*
292 * Debug Part
293 */
294
295 #ifdef ALI_DEBUG
296
297 static void ali_read_regs(ali_t *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(ali_t *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(ali_t *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( ali_t *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( ali_t *codec,
390 unsigned int port,
391 int sched )
392 {
393 unsigned long end_time;
394 unsigned int res;
395
396 end_time = jiffies + 10 * msecs_to_jiffies(250);
397 do {
398 res = snd_ali_5451_peek(codec,port);
399 if (! (res & 0x8000))
400 return 0;
401 if (sched)
402 schedule_timeout_uninterruptible(1);
403 } while (time_after_eq(end_time, jiffies));
404 snd_ali_5451_poke(codec, port, res & ~0x8000);
405 snd_printdd("ali_codec_ready: codec is not ready.\n ");
406 return -EIO;
407 }
408
409 static int snd_ali_stimer_ready(ali_t *codec, int sched)
410 {
411 unsigned long end_time;
412 unsigned long dwChk1,dwChk2;
413
414 dwChk1 = snd_ali_5451_peek(codec, ALI_STIMER);
415 dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER);
416
417 end_time = jiffies + 10 * msecs_to_jiffies(250);
418 do {
419 dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER);
420 if (dwChk2 != dwChk1)
421 return 0;
422 if (sched)
423 schedule_timeout_uninterruptible(1);
424 } while (time_after_eq(end_time, jiffies));
425 snd_printk(KERN_ERR "ali_stimer_read: stimer is not ready.\n");
426 return -EIO;
427 }
428
429 static void snd_ali_codec_poke(ali_t *codec,int secondary,
430 unsigned short reg,
431 unsigned short val)
432 {
433 unsigned int dwVal = 0;
434 unsigned int port = 0;
435
436 if (reg >= 0x80) {
437 snd_printk(KERN_ERR "ali_codec_poke: reg(%xh) invalid.\n", reg);
438 return;
439 }
440
441 port = codec->chregs.regs.ac97write;
442
443 if (snd_ali_codec_ready(codec, port, 0) < 0)
444 return;
445 if (snd_ali_stimer_ready(codec, 0) < 0)
446 return;
447
448 dwVal = (unsigned int) (reg & 0xff);
449 dwVal |= 0x8000 | (val << 16);
450 if (secondary) dwVal |= 0x0080;
451 if (codec->revision == ALI_5451_V02) dwVal |= 0x0100;
452
453 snd_ali_5451_poke(codec,port,dwVal);
454
455 return ;
456 }
457
458 static unsigned short snd_ali_codec_peek( ali_t *codec,
459 int secondary,
460 unsigned short reg)
461 {
462 unsigned int dwVal = 0;
463 unsigned int port = 0;
464
465 if (reg >= 0x80) {
466 snd_printk(KERN_ERR "ali_codec_peek: reg(%xh) invalid.\n", reg);
467 return ~0;
468 }
469
470 port = codec->chregs.regs.ac97read;
471
472 if (snd_ali_codec_ready(codec, port, 0) < 0)
473 return ~0;
474 if (snd_ali_stimer_ready(codec, 0) < 0)
475 return ~0;
476
477 dwVal = (unsigned int) (reg & 0xff);
478 dwVal |= 0x8000; /* bit 15*/
479 if (secondary) dwVal |= 0x0080;
480
481 snd_ali_5451_poke(codec, port, dwVal);
482
483 if (snd_ali_stimer_ready(codec, 0) < 0)
484 return ~0;
485 if (snd_ali_codec_ready(codec, port, 0) < 0)
486 return ~0;
487
488 return (snd_ali_5451_peek(codec, port) & 0xffff0000)>>16;
489 }
490
491 static void snd_ali_codec_write(ac97_t *ac97,
492 unsigned short reg,
493 unsigned short val )
494 {
495 ali_t *codec = ac97->private_data;
496
497 snd_ali_printk("codec_write: reg=%xh data=%xh.\n", reg, val);
498 if(reg == AC97_GPIO_STATUS) {
499 outl((val << ALI_AC97_GPIO_DATA_SHIFT)|ALI_AC97_GPIO_ENABLE,
500 ALI_REG(codec, ALI_AC97_GPIO));
501 return;
502 }
503 snd_ali_codec_poke(codec, ac97->num, reg, val);
504 return ;
505 }
506
507
508 static unsigned short snd_ali_codec_read(ac97_t *ac97, unsigned short reg)
509 {
510 ali_t *codec = ac97->private_data;
511
512 snd_ali_printk("codec_read reg=%xh.\n", reg);
513 return (snd_ali_codec_peek(codec, ac97->num, reg));
514 }
515
516 /*
517 * AC97 Reset
518 */
519
520 static int snd_ali_reset_5451(ali_t *codec)
521 {
522 struct pci_dev *pci_dev = NULL;
523 unsigned short wCount, wReg;
524 unsigned int dwVal;
525
526 if ((pci_dev = codec->pci_m1533) != NULL) {
527 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
528 pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000);
529 udelay(5000);
530 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
531 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff);
532 udelay(5000);
533 }
534
535 pci_dev = codec->pci;
536 pci_read_config_dword(pci_dev, 0x44, &dwVal);
537 pci_write_config_dword(pci_dev, 0x44, dwVal | 0x000c0000);
538 udelay(500);
539 pci_read_config_dword(pci_dev, 0x44, &dwVal);
540 pci_write_config_dword(pci_dev, 0x44, dwVal & 0xfffbffff);
541 udelay(5000);
542
543 wCount = 200;
544 while(wCount--) {
545 wReg = snd_ali_codec_peek(codec, 0, AC97_POWERDOWN);
546 if((wReg & 0x000f) == 0x000f)
547 return 0;
548 udelay(5000);
549 }
550
551 /* non-fatal if you have a non PM capable codec */
552 /* snd_printk(KERN_WARNING "ali5451: reset time out\n"); */
553 return 0;
554 }
555
556 #ifdef CODEC_RESET
557
558 static int snd_ali_reset_codec(ali_t *codec)
559 {
560 struct pci_dev *pci_dev = NULL;
561 unsigned char bVal = 0;
562 unsigned int dwVal;
563 unsigned short wCount, wReg;
564
565 pci_dev = codec->pci_m1533;
566
567 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
568 pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000);
569 udelay(5000);
570 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
571 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff);
572 udelay(5000);
573
574 bVal = inb(ALI_REG(codec,ALI_SCTRL));
575 bVal |= 0x02;
576 outb(ALI_REG(codec,ALI_SCTRL),bVal);
577 udelay(5000);
578 bVal = inb(ALI_REG(codec,ALI_SCTRL));
579 bVal &= 0xfd;
580 outb(ALI_REG(codec,ALI_SCTRL),bVal);
581 udelay(15000);
582
583 wCount = 200;
584 while(wCount--) {
585 wReg = snd_ali_codec_read(codec->ac97, AC97_POWERDOWN);
586 if((wReg & 0x000f) == 0x000f)
587 return 0;
588 udelay(5000);
589 }
590 return -1;
591 }
592
593 #endif
594
595 /*
596 * ALI 5451 Controller
597 */
598
599 static void snd_ali_enable_special_channel(ali_t *codec, unsigned int channel)
600 {
601 unsigned long dwVal = 0;
602
603 dwVal = inl(ALI_REG(codec,ALI_GLOBAL_CONTROL));
604 dwVal |= 1 << (channel & 0x0000001f);
605 outl(dwVal, ALI_REG(codec,ALI_GLOBAL_CONTROL));
606 }
607
608 static void snd_ali_disable_special_channel(ali_t *codec, unsigned int channel)
609 {
610 unsigned long dwVal = 0;
611
612 dwVal = inl(ALI_REG(codec,ALI_GLOBAL_CONTROL));
613 dwVal &= ~(1 << (channel & 0x0000001f));
614 outl(dwVal, ALI_REG(codec,ALI_GLOBAL_CONTROL));
615 }
616
617 static void snd_ali_enable_address_interrupt(ali_t * codec)
618 {
619 unsigned int gc;
620
621 gc = inl(ALI_REG(codec, ALI_GC_CIR));
622 gc |= ENDLP_IE;
623 gc |= MIDLP_IE;
624 outl( gc, ALI_REG(codec, ALI_GC_CIR));
625 }
626
627 static void snd_ali_disable_address_interrupt(ali_t * codec)
628 {
629 unsigned int gc;
630
631 gc = inl(ALI_REG(codec, ALI_GC_CIR));
632 gc &= ~ENDLP_IE;
633 gc &= ~MIDLP_IE;
634 outl(gc, ALI_REG(codec, ALI_GC_CIR));
635 }
636
637 #if 0 // not used
638 static void snd_ali_enable_voice_irq(ali_t *codec, unsigned int channel)
639 {
640 unsigned int mask;
641 snd_ali_channel_control_t *pchregs = &(codec->chregs);
642
643 snd_ali_printk("enable_voice_irq channel=%d\n",channel);
644
645 mask = 1 << (channel & 0x1f);
646 pchregs->data.ainten = inl(ALI_REG(codec,pchregs->regs.ainten));
647 pchregs->data.ainten |= mask;
648 outl(pchregs->data.ainten,ALI_REG(codec,pchregs->regs.ainten));
649 }
650 #endif
651
652 static void snd_ali_disable_voice_irq(ali_t *codec, unsigned int channel)
653 {
654 unsigned int mask;
655 snd_ali_channel_control_t *pchregs = &(codec->chregs);
656
657 snd_ali_printk("disable_voice_irq channel=%d\n",channel);
658
659 mask = 1 << (channel & 0x1f);
660 pchregs->data.ainten = inl(ALI_REG(codec,pchregs->regs.ainten));
661 pchregs->data.ainten &= ~mask;
662 outl(pchregs->data.ainten,ALI_REG(codec,pchregs->regs.ainten));
663 }
664
665 static int snd_ali_alloc_pcm_channel(ali_t *codec, int channel)
666 {
667 unsigned int idx = channel & 0x1f;
668
669 if (codec->synth.chcnt >= ALI_CHANNELS){
670 snd_printk(KERN_ERR "ali_alloc_pcm_channel: no free channels.\n");
671 return -1;
672 }
673
674 if (!(codec->synth.chmap & (1 << idx))) {
675 codec->synth.chmap |= 1 << idx;
676 codec->synth.chcnt++;
677 snd_ali_printk("alloc_pcm_channel no. %d.\n",idx);
678 return idx;
679 }
680 return -1;
681 }
682
683 static int snd_ali_find_free_channel(ali_t * codec, int rec)
684 {
685 int idx;
686 int result = -1;
687
688 snd_ali_printk("find_free_channel: for %s\n",rec ? "rec" : "pcm");
689
690 // recording
691 if (rec) {
692 if (codec->spdif_support &&
693 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_IN_SUPPORT))
694 idx = ALI_SPDIF_IN_CHANNEL;
695 else
696 idx = ALI_PCM_IN_CHANNEL;
697
698 if ((result = snd_ali_alloc_pcm_channel(codec,idx)) >= 0) {
699 return result;
700 } else {
701 snd_printk(KERN_ERR "ali_find_free_channel: record channel is busy now.\n");
702 return -1;
703 }
704 }
705
706 //playback...
707 if (codec->spdif_support &&
708 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_OUT_CH_ENABLE)) {
709 idx = ALI_SPDIF_OUT_CHANNEL;
710 if ((result = snd_ali_alloc_pcm_channel(codec,idx)) >= 0) {
711 return result;
712 } else {
713 snd_printk(KERN_ERR "ali_find_free_channel: S/PDIF out channel is in busy now.\n");
714 }
715 }
716
717 for (idx = 0; idx < ALI_CHANNELS; idx++) {
718 if ((result = snd_ali_alloc_pcm_channel(codec,idx)) >= 0)
719 return result;
720 }
721 snd_printk(KERN_ERR "ali_find_free_channel: no free channels.\n");
722 return -1;
723 }
724
725 static void snd_ali_free_channel_pcm(ali_t *codec, int channel)
726 {
727 unsigned int idx = channel & 0x0000001f;
728
729 snd_ali_printk("free_channel_pcm channel=%d\n",channel);
730
731 if (channel < 0 || channel >= ALI_CHANNELS)
732 return;
733
734 if (!(codec->synth.chmap & (1 << idx))) {
735 snd_printk(KERN_ERR "ali_free_channel_pcm: channel %d is not in use.\n",channel);
736 return;
737 } else {
738 codec->synth.chmap &= ~(1 << idx);
739 codec->synth.chcnt--;
740 }
741 }
742
743 #if 0 // not used
744 static void snd_ali_start_voice(ali_t * codec, unsigned int channel)
745 {
746 unsigned int mask = 1 << (channel & 0x1f);
747
748 snd_ali_printk("start_voice: channel=%d\n",channel);
749 outl(mask, ALI_REG(codec,codec->chregs.regs.start));
750 }
751 #endif
752
753 static void snd_ali_stop_voice(ali_t * codec, unsigned int channel)
754 {
755 unsigned int mask = 1 << (channel & 0x1f);
756
757 snd_ali_printk("stop_voice: channel=%d\n",channel);
758 outl(mask, ALI_REG(codec, codec->chregs.regs.stop));
759 }
760
761 /*
762 * S/PDIF Part
763 */
764
765 static void snd_ali_delay(ali_t *codec,int interval)
766 {
767 unsigned long begintimer,currenttimer;
768
769 begintimer = inl(ALI_REG(codec, ALI_STIMER));
770 currenttimer = inl(ALI_REG(codec, ALI_STIMER));
771
772 while (currenttimer < begintimer + interval) {
773 if(snd_ali_stimer_ready(codec, 1) < 0)
774 break;
775 currenttimer = inl(ALI_REG(codec, ALI_STIMER));
776 }
777 }
778
779 static void snd_ali_detect_spdif_rate(ali_t *codec)
780 {
781 u16 wval = 0;
782 u16 count = 0;
783 u8 bval = 0, R1 = 0, R2 = 0;
784
785 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1));
786 bval |= 0x1F;
787 outb(bval,ALI_REG(codec,ALI_SPDIF_CTRL + 1));
788
789 while (((R1 < 0x0B )||(R1 > 0x0E)) && (R1 != 0x12) && count <= 50000) {
790 count ++;
791 snd_ali_delay(codec, 6);
792 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1));
793 R1 = bval & 0x1F;
794 }
795
796 if (count > 50000) {
797 snd_printk(KERN_ERR "ali_detect_spdif_rate: timeout!\n");
798 return;
799 }
800
801 count = 0;
802 while (count++ <= 50000) {
803 snd_ali_delay(codec, 6);
804 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1));
805 R2 = bval & 0x1F;
806 if (R2 != R1) R1 = R2; else break;
807 }
808
809 if (count > 50000) {
810 snd_printk(KERN_ERR "ali_detect_spdif_rate: timeout!\n");
811 return;
812 }
813
814 if (R2 >= 0x0b && R2 <= 0x0e) {
815 wval = inw(ALI_REG(codec,ALI_SPDIF_CTRL + 2));
816 wval &= 0xE0F0;
817 wval |= (u16)0x09 << 8 | (u16)0x05;
818 outw(wval,ALI_REG(codec,ALI_SPDIF_CTRL + 2));
819
820 bval = inb(ALI_REG(codec,ALI_SPDIF_CS +3)) & 0xF0;
821 outb(bval|0x02,ALI_REG(codec,ALI_SPDIF_CS + 3));
822 } else if (R2 == 0x12) {
823 wval = inw(ALI_REG(codec,ALI_SPDIF_CTRL + 2));
824 wval &= 0xE0F0;
825 wval |= (u16)0x0E << 8 | (u16)0x08;
826 outw(wval,ALI_REG(codec,ALI_SPDIF_CTRL + 2));
827
828 bval = inb(ALI_REG(codec,ALI_SPDIF_CS +3)) & 0xF0;
829 outb(bval|0x03,ALI_REG(codec,ALI_SPDIF_CS + 3));
830 }
831 }
832
833 static unsigned int snd_ali_get_spdif_in_rate(ali_t *codec)
834 {
835 u32 dwRate = 0;
836 u8 bval = 0;
837
838 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL));
839 bval &= 0x7F;
840 bval |= 0x40;
841 outb(bval, ALI_REG(codec,ALI_SPDIF_CTRL));
842
843 snd_ali_detect_spdif_rate(codec);
844
845 bval = inb(ALI_REG(codec,ALI_SPDIF_CS + 3));
846 bval &= 0x0F;
847
848 if (bval == 0) dwRate = 44100;
849 if (bval == 1) dwRate = 48000;
850 if (bval == 2) dwRate = 32000;
851
852 return dwRate;
853 }
854
855 static void snd_ali_enable_spdif_in(ali_t *codec)
856 {
857 unsigned int dwVal;
858
859 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
860 dwVal |= ALI_SPDIF_IN_SUPPORT;
861 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
862
863 dwVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
864 dwVal |= 0x02;
865 outb(dwVal, ALI_REG(codec, ALI_SPDIF_CTRL));
866
867 snd_ali_enable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
868 }
869
870 static void snd_ali_disable_spdif_in(ali_t *codec)
871 {
872 unsigned int dwVal;
873
874 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
875 dwVal &= ~ALI_SPDIF_IN_SUPPORT;
876 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
877
878 snd_ali_disable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
879 }
880
881
882 static void snd_ali_set_spdif_out_rate(ali_t *codec, unsigned int rate)
883 {
884 unsigned char bVal;
885 unsigned int dwRate = 0;
886
887 if (rate == 32000) dwRate = 0x300;
888 if (rate == 44100) dwRate = 0;
889 if (rate == 48000) dwRate = 0x200;
890
891 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
892 bVal &= (unsigned char)(~(1<<6));
893
894 bVal |= 0x80; //select right
895 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
896 outb(dwRate | 0x20, ALI_REG(codec, ALI_SPDIF_CS + 2));
897
898 bVal &= (~0x80); //select left
899 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
900 outw(rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2));
901 }
902
903 static void snd_ali_enable_spdif_out(ali_t *codec)
904 {
905 unsigned short wVal;
906 unsigned char bVal;
907
908 struct pci_dev *pci_dev = NULL;
909
910 pci_dev = codec->pci_m1533;
911 if (pci_dev == NULL)
912 return;
913 pci_read_config_byte(pci_dev, 0x61, &bVal);
914 bVal |= 0x40;
915 pci_write_config_byte(pci_dev, 0x61, bVal);
916 pci_read_config_byte(pci_dev, 0x7d, &bVal);
917 bVal |= 0x01;
918 pci_write_config_byte(pci_dev, 0x7d, bVal);
919
920 pci_read_config_byte(pci_dev, 0x7e, &bVal);
921 bVal &= (~0x20);
922 bVal |= 0x10;
923 pci_write_config_byte(pci_dev, 0x7e, bVal);
924
925 bVal = inb(ALI_REG(codec, ALI_SCTRL));
926 outb(bVal | ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
927
928 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
929 outb(bVal & ALI_SPDIF_OUT_CH_STATUS, ALI_REG(codec, ALI_SPDIF_CTRL));
930
931 {
932 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
933 wVal |= ALI_SPDIF_OUT_SEL_PCM;
934 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
935 snd_ali_disable_special_channel(codec,ALI_SPDIF_OUT_CHANNEL);
936 }
937 }
938
939 static void snd_ali_enable_spdif_chnout(ali_t *codec)
940 {
941 unsigned short wVal = 0;
942
943 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
944 wVal &= ~ALI_SPDIF_OUT_SEL_PCM;
945 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
946 /*
947 wVal = inw(ALI_REG(codec, ALI_SPDIF_CS));
948 if (flag & ALI_SPDIF_OUT_NON_PCM)
949 wVal |= 0x0002;
950 else
951 wVal &= (~0x0002);
952 outw(wVal, ALI_REG(codec, ALI_SPDIF_CS));
953 */
954 snd_ali_enable_special_channel(codec,ALI_SPDIF_OUT_CHANNEL);
955 }
956
957 static void snd_ali_disable_spdif_chnout(ali_t *codec)
958 {
959 unsigned short wVal = 0;
960 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
961 wVal |= ALI_SPDIF_OUT_SEL_PCM;
962 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
963
964 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
965 }
966
967 static void snd_ali_disable_spdif_out(ali_t *codec)
968 {
969 unsigned char bVal;
970
971 bVal = inb(ALI_REG(codec, ALI_SCTRL));
972 outb(bVal & ~ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
973
974 snd_ali_disable_spdif_chnout(codec);
975 }
976
977 static void snd_ali_update_ptr(ali_t *codec,int channel)
978 {
979 snd_ali_voice_t *pvoice = NULL;
980 snd_pcm_runtime_t *runtime;
981 snd_ali_channel_control_t *pchregs = NULL;
982 unsigned int old, mask;
983 #ifdef ALI_DEBUG
984 unsigned int temp, cspf;
985 #endif
986
987 pchregs = &(codec->chregs);
988
989 // check if interrupt occurred for channel
990 old = pchregs->data.aint;
991 mask = ((unsigned int) 1L) << (channel & 0x1f);
992
993 if (!(old & mask))
994 return;
995
996 pvoice = &codec->synth.voices[channel];
997 runtime = pvoice->substream->runtime;
998
999 udelay(100);
1000 spin_lock(&codec->reg_lock);
1001
1002 if (pvoice->pcm && pvoice->substream) {
1003 /* pcm interrupt */
1004 #ifdef ALI_DEBUG
1005 outb((u8)(pvoice->number), ALI_REG(codec, ALI_GC_CIR));
1006 temp = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1007 cspf = (inl(ALI_REG(codec, ALI_CSPF)) & mask) == mask;
1008 #endif
1009 if (pvoice->running) {
1010 snd_ali_printk("update_ptr: cso=%4.4x cspf=%d.\n",(u16)temp,cspf);
1011 spin_unlock(&codec->reg_lock);
1012 snd_pcm_period_elapsed(pvoice->substream);
1013 spin_lock(&codec->reg_lock);
1014 } else {
1015 snd_ali_stop_voice(codec, channel);
1016 snd_ali_disable_voice_irq(codec, channel);
1017 }
1018 } else if (codec->synth.voices[channel].synth) {
1019 /* synth interrupt */
1020 } else if (codec->synth.voices[channel].midi) {
1021 /* midi interrupt */
1022 } else {
1023 /* unknown interrupt */
1024 snd_ali_stop_voice(codec, channel);
1025 snd_ali_disable_voice_irq(codec, channel);
1026 }
1027 spin_unlock(&codec->reg_lock);
1028 outl(mask,ALI_REG(codec,pchregs->regs.aint));
1029 pchregs->data.aint = old & (~mask);
1030 }
1031
1032 static void snd_ali_interrupt(ali_t * codec)
1033 {
1034 int channel;
1035 unsigned int audio_int;
1036 snd_ali_channel_control_t *pchregs = NULL;
1037 pchregs = &(codec->chregs);
1038
1039 audio_int = inl(ALI_REG(codec, ALI_MISCINT));
1040 if (audio_int & ADDRESS_IRQ) {
1041 // get interrupt status for all channels
1042 pchregs->data.aint = inl(ALI_REG(codec,pchregs->regs.aint));
1043 for (channel = 0; channel < ALI_CHANNELS; channel++) {
1044 snd_ali_update_ptr(codec, channel);
1045 }
1046 }
1047 outl((TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW),
1048 ALI_REG(codec,ALI_MISCINT));
1049 }
1050
1051
1052 static irqreturn_t snd_ali_card_interrupt(int irq,
1053 void *dev_id,
1054 struct pt_regs *regs)
1055 {
1056 ali_t *codec = dev_id;
1057
1058 if (codec == NULL)
1059 return IRQ_NONE;
1060 snd_ali_interrupt(codec);
1061 return IRQ_HANDLED;
1062 }
1063
1064
1065 static snd_ali_voice_t *snd_ali_alloc_voice(ali_t * codec, int type, int rec, int channel)
1066 {
1067 snd_ali_voice_t *pvoice = NULL;
1068 unsigned long flags;
1069 int idx;
1070
1071 snd_ali_printk("alloc_voice: type=%d rec=%d\n",type,rec);
1072
1073 spin_lock_irqsave(&codec->voice_alloc, flags);
1074 if (type == SNDRV_ALI_VOICE_TYPE_PCM) {
1075 idx = channel > 0 ? snd_ali_alloc_pcm_channel(codec, channel) :
1076 snd_ali_find_free_channel(codec,rec);
1077 if(idx < 0) {
1078 snd_printk(KERN_ERR "ali_alloc_voice: err.\n");
1079 spin_unlock_irqrestore(&codec->voice_alloc, flags);
1080 return NULL;
1081 }
1082 pvoice = &(codec->synth.voices[idx]);
1083 pvoice->use = 1;
1084 pvoice->pcm = 1;
1085 pvoice->mode = rec;
1086 spin_unlock_irqrestore(&codec->voice_alloc, flags);
1087 return pvoice;
1088 }
1089 spin_unlock_irqrestore(&codec->voice_alloc, flags);
1090 return NULL;
1091 }
1092
1093
1094 static void snd_ali_free_voice(ali_t * codec, snd_ali_voice_t *pvoice)
1095 {
1096 unsigned long flags;
1097 void (*private_free)(void *);
1098 void *private_data;
1099
1100 snd_ali_printk("free_voice: channel=%d\n",pvoice->number);
1101 if (pvoice == NULL || !pvoice->use)
1102 return;
1103 snd_ali_clear_voices(codec, pvoice->number, pvoice->number);
1104 spin_lock_irqsave(&codec->voice_alloc, flags);
1105 private_free = pvoice->private_free;
1106 private_data = pvoice->private_data;
1107 pvoice->private_free = NULL;
1108 pvoice->private_data = NULL;
1109 if (pvoice->pcm) {
1110 snd_ali_free_channel_pcm(codec, pvoice->number);
1111 }
1112 pvoice->use = pvoice->pcm = pvoice->synth = 0;
1113 pvoice->substream = NULL;
1114 spin_unlock_irqrestore(&codec->voice_alloc, flags);
1115 if (private_free)
1116 private_free(private_data);
1117 }
1118
1119
1120 static void snd_ali_clear_voices(ali_t * codec,
1121 unsigned int v_min,
1122 unsigned int v_max)
1123 {
1124 unsigned int i;
1125
1126 for (i = v_min; i <= v_max; i++) {
1127 snd_ali_stop_voice(codec, i);
1128 snd_ali_disable_voice_irq(codec, i);
1129 }
1130 }
1131
1132 static void snd_ali_write_voice_regs(ali_t * codec,
1133 unsigned int Channel,
1134 unsigned int LBA,
1135 unsigned int CSO,
1136 unsigned int ESO,
1137 unsigned int DELTA,
1138 unsigned int ALPHA_FMS,
1139 unsigned int GVSEL,
1140 unsigned int PAN,
1141 unsigned int VOL,
1142 unsigned int CTRL,
1143 unsigned int EC)
1144 {
1145 unsigned int ctlcmds[4];
1146
1147 outb((unsigned char)(Channel & 0x001f),ALI_REG(codec,ALI_GC_CIR));
1148
1149 ctlcmds[0] = (CSO << 16) | (ALPHA_FMS & 0x0000ffff);
1150 ctlcmds[1] = LBA;
1151 ctlcmds[2] = (ESO << 16) | (DELTA & 0x0ffff);
1152 ctlcmds[3] = (GVSEL << 31) |
1153 ((PAN & 0x0000007f) << 24) |
1154 ((VOL & 0x000000ff) << 16) |
1155 ((CTRL & 0x0000000f) << 12) |
1156 (EC & 0x00000fff);
1157
1158 outb(Channel, ALI_REG(codec, ALI_GC_CIR));
1159
1160 outl(ctlcmds[0], ALI_REG(codec,ALI_CSO_ALPHA_FMS));
1161 outl(ctlcmds[1], ALI_REG(codec,ALI_LBA));
1162 outl(ctlcmds[2], ALI_REG(codec,ALI_ESO_DELTA));
1163 outl(ctlcmds[3], ALI_REG(codec,ALI_GVSEL_PAN_VOC_CTRL_EC));
1164
1165 outl(0x30000000, ALI_REG(codec, ALI_EBUF1)); /* Still Mode */
1166 outl(0x30000000, ALI_REG(codec, ALI_EBUF2)); /* Still Mode */
1167 }
1168
1169 static unsigned int snd_ali_convert_rate(unsigned int rate, int rec)
1170 {
1171 unsigned int delta;
1172
1173 if (rate < 4000) rate = 4000;
1174 if (rate > 48000) rate = 48000;
1175
1176 if (rec) {
1177 if (rate == 44100)
1178 delta = 0x116a;
1179 else if (rate == 8000)
1180 delta = 0x6000;
1181 else if (rate == 48000)
1182 delta = 0x1000;
1183 else
1184 delta = ((48000 << 12) / rate) & 0x0000ffff;
1185 } else {
1186 if (rate == 44100)
1187 delta = 0xeb3;
1188 else if (rate == 8000)
1189 delta = 0x2ab;
1190 else if (rate == 48000)
1191 delta = 0x1000;
1192 else
1193 delta = (((rate << 12) + rate) / 48000) & 0x0000ffff;
1194 }
1195
1196 return delta;
1197 }
1198
1199 static unsigned int snd_ali_control_mode(snd_pcm_substream_t *substream)
1200 {
1201 unsigned int CTRL;
1202 snd_pcm_runtime_t *runtime = substream->runtime;
1203
1204 /* set ctrl mode
1205 CTRL default: 8-bit (unsigned) mono, loop mode enabled
1206 */
1207 CTRL = 0x00000001;
1208 if (snd_pcm_format_width(runtime->format) == 16)
1209 CTRL |= 0x00000008; // 16-bit data
1210 if (!snd_pcm_format_unsigned(runtime->format))
1211 CTRL |= 0x00000002; // signed data
1212 if (runtime->channels > 1)
1213 CTRL |= 0x00000004; // stereo data
1214 return CTRL;
1215 }
1216
1217 /*
1218 * PCM part
1219 */
1220
1221 static int snd_ali_ioctl(snd_pcm_substream_t * substream,
1222 unsigned int cmd, void *arg)
1223 {
1224 return snd_pcm_lib_ioctl(substream, cmd, arg);
1225 }
1226
1227 static int snd_ali_trigger(snd_pcm_substream_t *substream,
1228 int cmd)
1229
1230 {
1231 ali_t *codec = snd_pcm_substream_chip(substream);
1232 struct list_head *pos;
1233 snd_pcm_substream_t *s;
1234 unsigned int what, whati, capture_flag;
1235 snd_ali_voice_t *pvoice = NULL, *evoice = NULL;
1236 unsigned int val;
1237 int do_start;
1238
1239 switch (cmd) {
1240 case SNDRV_PCM_TRIGGER_START:
1241 case SNDRV_PCM_TRIGGER_RESUME:
1242 do_start = 1; break;
1243 case SNDRV_PCM_TRIGGER_STOP:
1244 case SNDRV_PCM_TRIGGER_SUSPEND:
1245 do_start = 0; break;
1246 default:
1247 return -EINVAL;
1248 }
1249
1250 what = whati = capture_flag = 0;
1251 snd_pcm_group_for_each(pos, substream) {
1252 s = snd_pcm_group_substream_entry(pos);
1253 if ((ali_t *) snd_pcm_substream_chip(s) == codec) {
1254 pvoice = (snd_ali_voice_t *) s->runtime->private_data;
1255 evoice = pvoice->extra;
1256 what |= 1 << (pvoice->number & 0x1f);
1257 if (evoice == NULL) {
1258 whati |= 1 << (pvoice->number & 0x1f);
1259 } else {
1260 whati |= 1 << (evoice->number & 0x1f);
1261 what |= 1 << (evoice->number & 0x1f);
1262 }
1263 if (do_start) {
1264 pvoice->running = 1;
1265 if (evoice != NULL)
1266 evoice->running = 1;
1267 } else {
1268 pvoice->running = 0;
1269 if (evoice != NULL)
1270 evoice->running = 0;
1271 }
1272 snd_pcm_trigger_done(s, substream);
1273 if (pvoice->mode)
1274 capture_flag = 1;
1275 }
1276 }
1277 spin_lock(&codec->reg_lock);
1278 if (! do_start) {
1279 outl(what, ALI_REG(codec, ALI_STOP));
1280 }
1281 val = inl(ALI_REG(codec, ALI_AINTEN));
1282 if (do_start) {
1283 val |= whati;
1284 } else {
1285 val &= ~whati;
1286 }
1287 outl(val, ALI_REG(codec, ALI_AINTEN));
1288 if (do_start) {
1289 outl(what, ALI_REG(codec, ALI_START));
1290 }
1291 snd_ali_printk("trigger: what=%xh whati=%xh\n",what,whati);
1292 spin_unlock(&codec->reg_lock);
1293
1294 return 0;
1295 }
1296
1297 static int snd_ali_playback_hw_params(snd_pcm_substream_t * substream,
1298 snd_pcm_hw_params_t * hw_params)
1299 {
1300 ali_t *codec = snd_pcm_substream_chip(substream);
1301 snd_pcm_runtime_t *runtime = substream->runtime;
1302 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data;
1303 snd_ali_voice_t *evoice = pvoice->extra;
1304 int err;
1305 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1306 if (err < 0) return err;
1307
1308 /* voice management */
1309
1310 if (params_buffer_size(hw_params)/2 != params_period_size(hw_params)) {
1311 if (evoice == NULL) {
1312 evoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, 0, -1);
1313 if (evoice == NULL)
1314 return -ENOMEM;
1315 pvoice->extra = evoice;
1316 evoice->substream = substream;
1317 }
1318 } else {
1319 if (evoice != NULL) {
1320 snd_ali_free_voice(codec, evoice);
1321 pvoice->extra = evoice = NULL;
1322 }
1323 }
1324
1325 return 0;
1326 }
1327
1328 static int snd_ali_playback_hw_free(snd_pcm_substream_t * substream)
1329 {
1330 ali_t *codec = snd_pcm_substream_chip(substream);
1331 snd_pcm_runtime_t *runtime = substream->runtime;
1332 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data;
1333 snd_ali_voice_t *evoice = pvoice ? pvoice->extra : NULL;
1334
1335 snd_pcm_lib_free_pages(substream);
1336 if (evoice != NULL) {
1337 snd_ali_free_voice(codec, evoice);
1338 pvoice->extra = NULL;
1339 }
1340 return 0;
1341 }
1342
1343 static int snd_ali_hw_params(snd_pcm_substream_t * substream,
1344 snd_pcm_hw_params_t * hw_params)
1345 {
1346 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1347 }
1348
1349 static int snd_ali_hw_free(snd_pcm_substream_t * substream)
1350 {
1351 return snd_pcm_lib_free_pages(substream);
1352 }
1353
1354 static int snd_ali_playback_prepare(snd_pcm_substream_t * substream)
1355 {
1356 ali_t *codec = snd_pcm_substream_chip(substream);
1357 snd_pcm_runtime_t *runtime = substream->runtime;
1358 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data;
1359 snd_ali_voice_t *evoice = pvoice->extra;
1360 unsigned long flags;
1361
1362 unsigned int LBA;
1363 unsigned int Delta;
1364 unsigned int ESO;
1365 unsigned int CTRL;
1366 unsigned int GVSEL;
1367 unsigned int PAN;
1368 unsigned int VOL;
1369 unsigned int EC;
1370
1371 snd_ali_printk("playback_prepare ...\n");
1372
1373 spin_lock_irqsave(&codec->reg_lock, flags);
1374
1375 /* set Delta (rate) value */
1376 Delta = snd_ali_convert_rate(runtime->rate, 0);
1377
1378 if ((pvoice->number == ALI_SPDIF_IN_CHANNEL) ||
1379 (pvoice->number == ALI_PCM_IN_CHANNEL))
1380 snd_ali_disable_special_channel(codec, pvoice->number);
1381 else if (codec->spdif_support &&
1382 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_OUT_CH_ENABLE)
1383 && (pvoice->number == ALI_SPDIF_OUT_CHANNEL)) {
1384 snd_ali_set_spdif_out_rate(codec, runtime->rate);
1385 Delta = 0x1000;
1386 }
1387
1388 /* set Loop Back Address */
1389 LBA = runtime->dma_addr;
1390
1391 /* set interrupt count size */
1392 pvoice->count = runtime->period_size;
1393
1394 /* set target ESO for channel */
1395 pvoice->eso = runtime->buffer_size;
1396
1397 snd_ali_printk("playback_prepare: eso=%xh count=%xh\n",pvoice->eso,pvoice->count);
1398
1399 /* set ESO to capture first MIDLP interrupt */
1400 ESO = pvoice->eso -1;
1401 /* set ctrl mode */
1402 CTRL = snd_ali_control_mode(substream);
1403
1404 GVSEL = 1;
1405 PAN = 0;
1406 VOL = 0;
1407 EC = 0;
1408 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);
1409 snd_ali_write_voice_regs( codec,
1410 pvoice->number,
1411 LBA,
1412 0, /* cso */
1413 ESO,
1414 Delta,
1415 0, /* alpha */
1416 GVSEL,
1417 PAN,
1418 VOL,
1419 CTRL,
1420 EC);
1421 if (evoice != NULL) {
1422 evoice->count = pvoice->count;
1423 evoice->eso = pvoice->count << 1;
1424 ESO = evoice->eso - 1;
1425 snd_ali_write_voice_regs(codec,
1426 evoice->number,
1427 LBA,
1428 0, /* cso */
1429 ESO,
1430 Delta,
1431 0, /* alpha */
1432 GVSEL,
1433 (unsigned int)0x7f,
1434 (unsigned int)0x3ff,
1435 CTRL,
1436 EC);
1437 }
1438 spin_unlock_irqrestore(&codec->reg_lock, flags);
1439 return 0;
1440 }
1441
1442
1443 static int snd_ali_prepare(snd_pcm_substream_t * substream)
1444 {
1445 ali_t *codec = snd_pcm_substream_chip(substream);
1446 snd_pcm_runtime_t *runtime = substream->runtime;
1447 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data;
1448 unsigned long flags;
1449 unsigned int LBA;
1450 unsigned int Delta;
1451 unsigned int ESO;
1452 unsigned int CTRL;
1453 unsigned int GVSEL;
1454 unsigned int PAN;
1455 unsigned int VOL;
1456 unsigned int EC;
1457 u8 bValue;
1458
1459 spin_lock_irqsave(&codec->reg_lock, flags);
1460
1461 snd_ali_printk("ali_prepare...\n");
1462
1463 snd_ali_enable_special_channel(codec,pvoice->number);
1464
1465 Delta = (pvoice->number == ALI_MODEM_IN_CHANNEL ||
1466 pvoice->number == ALI_MODEM_OUT_CHANNEL) ?
1467 0x1000 : snd_ali_convert_rate(runtime->rate, pvoice->mode);
1468
1469 // Prepare capture intr channel
1470 if (pvoice->number == ALI_SPDIF_IN_CHANNEL) {
1471
1472 unsigned int rate;
1473
1474 if (codec->revision != ALI_5451_V02) {
1475 spin_unlock_irqrestore(&codec->reg_lock, flags);
1476 return -1;
1477 }
1478 rate = snd_ali_get_spdif_in_rate(codec);
1479 if (rate == 0) {
1480 snd_printk(KERN_WARNING "ali_capture_preapre: spdif rate detect err!\n");
1481 rate = 48000;
1482 }
1483 bValue = inb(ALI_REG(codec,ALI_SPDIF_CTRL));
1484 if (bValue & 0x10) {
1485 outb(bValue,ALI_REG(codec,ALI_SPDIF_CTRL));
1486 printk(KERN_WARNING "clear SPDIF parity error flag.\n");
1487 }
1488
1489 if (rate != 48000)
1490 Delta = ((rate << 12)/runtime->rate)&0x00ffff;
1491 }
1492
1493 // set target ESO for channel
1494 pvoice->eso = runtime->buffer_size;
1495
1496 // set interrupt count size
1497 pvoice->count = runtime->period_size;
1498
1499 // set Loop Back Address
1500 LBA = runtime->dma_addr;
1501
1502 // set ESO to capture first MIDLP interrupt
1503 ESO = pvoice->eso - 1;
1504 CTRL = snd_ali_control_mode(substream);
1505 GVSEL = 0;
1506 PAN = 0x00;
1507 VOL = 0x00;
1508 EC = 0;
1509
1510 snd_ali_write_voice_regs( codec,
1511 pvoice->number,
1512 LBA,
1513 0, /* cso */
1514 ESO,
1515 Delta,
1516 0, /* alpha */
1517 GVSEL,
1518 PAN,
1519 VOL,
1520 CTRL,
1521 EC);
1522
1523
1524 spin_unlock_irqrestore(&codec->reg_lock, flags);
1525
1526 return 0;
1527 }
1528
1529
1530 static snd_pcm_uframes_t snd_ali_playback_pointer(snd_pcm_substream_t *substream)
1531 {
1532 ali_t *codec = snd_pcm_substream_chip(substream);
1533 snd_pcm_runtime_t *runtime = substream->runtime;
1534 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data;
1535 unsigned int cso;
1536
1537 spin_lock(&codec->reg_lock);
1538 if (!pvoice->running) {
1539 spin_unlock(&codec->reg_lock);
1540 return 0;
1541 }
1542 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1543 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1544 spin_unlock(&codec->reg_lock);
1545 snd_ali_printk("playback pointer returned cso=%xh.\n", cso);
1546
1547 return cso;
1548 }
1549
1550
1551 static snd_pcm_uframes_t snd_ali_pointer(snd_pcm_substream_t *substream)
1552 {
1553 ali_t *codec = snd_pcm_substream_chip(substream);
1554 snd_pcm_runtime_t *runtime = substream->runtime;
1555 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data;
1556 unsigned int cso;
1557 unsigned long flags;
1558
1559 spin_lock_irqsave(&codec->reg_lock, flags);
1560 if (!pvoice->running) {
1561 spin_unlock_irqrestore(&codec->reg_lock, flags);
1562 return 0;
1563 }
1564 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1565 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1566 spin_unlock_irqrestore(&codec->reg_lock, flags);
1567
1568 return cso;
1569 }
1570
1571 static snd_pcm_hardware_t snd_ali_playback =
1572 {
1573 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1574 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1575 SNDRV_PCM_INFO_MMAP_VALID |
1576 SNDRV_PCM_INFO_RESUME |
1577 SNDRV_PCM_INFO_SYNC_START),
1578 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1579 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1580 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1581 .rate_min = 4000,
1582 .rate_max = 48000,
1583 .channels_min = 1,
1584 .channels_max = 2,
1585 .buffer_bytes_max = (256*1024),
1586 .period_bytes_min = 64,
1587 .period_bytes_max = (256*1024),
1588 .periods_min = 1,
1589 .periods_max = 1024,
1590 .fifo_size = 0,
1591 };
1592
1593 /*
1594 * Capture support device description
1595 */
1596
1597 static snd_pcm_hardware_t snd_ali_capture =
1598 {
1599 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1600 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1601 SNDRV_PCM_INFO_MMAP_VALID |
1602 SNDRV_PCM_INFO_RESUME |
1603 SNDRV_PCM_INFO_SYNC_START),
1604 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1605 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1606 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1607 .rate_min = 4000,
1608 .rate_max = 48000,
1609 .channels_min = 1,
1610 .channels_max = 2,
1611 .buffer_bytes_max = (128*1024),
1612 .period_bytes_min = 64,
1613 .period_bytes_max = (128*1024),
1614 .periods_min = 1,
1615 .periods_max = 1024,
1616 .fifo_size = 0,
1617 };
1618
1619 static void snd_ali_pcm_free_substream(snd_pcm_runtime_t *runtime)
1620 {
1621 unsigned long flags;
1622 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data;
1623 ali_t *codec;
1624
1625 if (pvoice) {
1626 codec = pvoice->codec;
1627 spin_lock_irqsave(&codec->reg_lock, flags);
1628 snd_ali_free_voice(pvoice->codec, pvoice);
1629 spin_unlock_irqrestore(&codec->reg_lock, flags);
1630 }
1631 }
1632
1633 static int snd_ali_open(snd_pcm_substream_t * substream, int rec, int channel,
1634 snd_pcm_hardware_t *phw)
1635 {
1636 ali_t *codec = snd_pcm_substream_chip(substream);
1637 snd_pcm_runtime_t *runtime = substream->runtime;
1638 snd_ali_voice_t *pvoice;
1639 unsigned long flags = 0;
1640
1641 spin_lock_irqsave(&codec->reg_lock, flags);
1642 pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, rec, channel);
1643 if (pvoice == NULL) {
1644 spin_unlock_irqrestore(&codec->reg_lock, flags);
1645 return -EAGAIN;
1646 }
1647 pvoice->codec = codec;
1648 spin_unlock_irqrestore(&codec->reg_lock, flags);
1649
1650 pvoice->substream = substream;
1651 runtime->private_data = pvoice;
1652 runtime->private_free = snd_ali_pcm_free_substream;
1653
1654 runtime->hw = *phw;
1655 snd_pcm_set_sync(substream);
1656 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024);
1657 return 0;
1658 }
1659
1660 static int snd_ali_playback_open(snd_pcm_substream_t * substream)
1661 {
1662 return snd_ali_open(substream, 0, -1, &snd_ali_playback);
1663 }
1664
1665 static int snd_ali_capture_open(snd_pcm_substream_t * substream)
1666 {
1667 return snd_ali_open(substream, 1, -1, &snd_ali_capture);
1668 }
1669
1670 static int snd_ali_playback_close(snd_pcm_substream_t * substream)
1671 {
1672 return 0;
1673 }
1674
1675 static int snd_ali_close(snd_pcm_substream_t * substream)
1676 {
1677 ali_t *codec = snd_pcm_substream_chip(substream);
1678 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) substream->runtime->private_data;
1679
1680 snd_ali_disable_special_channel(codec,pvoice->number);
1681
1682 return 0;
1683 }
1684
1685 static snd_pcm_ops_t snd_ali_playback_ops = {
1686 .open = snd_ali_playback_open,
1687 .close = snd_ali_playback_close,
1688 .ioctl = snd_ali_ioctl,
1689 .hw_params = snd_ali_playback_hw_params,
1690 .hw_free = snd_ali_playback_hw_free,
1691 .prepare = snd_ali_playback_prepare,
1692 .trigger = snd_ali_trigger,
1693 .pointer = snd_ali_playback_pointer,
1694 };
1695
1696 static snd_pcm_ops_t snd_ali_capture_ops = {
1697 .open = snd_ali_capture_open,
1698 .close = snd_ali_close,
1699 .ioctl = snd_ali_ioctl,
1700 .hw_params = snd_ali_hw_params,
1701 .hw_free = snd_ali_hw_free,
1702 .prepare = snd_ali_prepare,
1703 .trigger = snd_ali_trigger,
1704 .pointer = snd_ali_pointer,
1705 };
1706
1707 /*
1708 * Modem PCM
1709 */
1710
1711 static int snd_ali_modem_hw_params(snd_pcm_substream_t * substream,
1712 snd_pcm_hw_params_t * hw_params)
1713 {
1714 ali_t *chip = snd_pcm_substream_chip(substream);
1715 unsigned int modem_num = chip->num_of_codecs - 1;
1716 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_RATE, params_rate(hw_params));
1717 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_LEVEL, 0);
1718 return snd_ali_hw_params(substream, hw_params);
1719 }
1720
1721 static snd_pcm_hardware_t snd_ali_modem =
1722 {
1723 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1724 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1725 SNDRV_PCM_INFO_MMAP_VALID |
1726 SNDRV_PCM_INFO_RESUME |
1727 SNDRV_PCM_INFO_SYNC_START),
1728 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1729 .rates = SNDRV_PCM_RATE_KNOT|SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000,
1730 .rate_min = 8000,
1731 .rate_max = 16000,
1732 .channels_min = 1,
1733 .channels_max = 1,
1734 .buffer_bytes_max = (256*1024),
1735 .period_bytes_min = 64,
1736 .period_bytes_max = (256*1024),
1737 .periods_min = 1,
1738 .periods_max = 1024,
1739 .fifo_size = 0,
1740 };
1741
1742 static int snd_ali_modem_open(snd_pcm_substream_t * substream, int rec, int channel)
1743 {
1744 static unsigned int rates [] = {8000,9600,12000,16000};
1745 static snd_pcm_hw_constraint_list_t hw_constraint_rates = {
1746 .count = ARRAY_SIZE(rates),
1747 .list = rates,
1748 .mask = 0,
1749 };
1750 int err = snd_ali_open(substream, rec, channel, &snd_ali_modem);
1751 if (err)
1752 return err;
1753 return snd_pcm_hw_constraint_list(substream->runtime, 0,
1754 SNDRV_PCM_HW_PARAM_RATE, &hw_constraint_rates);
1755 }
1756
1757 static int snd_ali_modem_playback_open(snd_pcm_substream_t * substream)
1758 {
1759 return snd_ali_modem_open(substream, 0, ALI_MODEM_OUT_CHANNEL);
1760 }
1761
1762 static int snd_ali_modem_capture_open(snd_pcm_substream_t * substream)
1763 {
1764 return snd_ali_modem_open(substream, 1, ALI_MODEM_IN_CHANNEL);
1765 }
1766
1767 static snd_pcm_ops_t snd_ali_modem_playback_ops = {
1768 .open = snd_ali_modem_playback_open,
1769 .close = snd_ali_close,
1770 .ioctl = snd_pcm_lib_ioctl,
1771 .hw_params = snd_ali_modem_hw_params,
1772 .hw_free = snd_ali_hw_free,
1773 .prepare = snd_ali_prepare,
1774 .trigger = snd_ali_trigger,
1775 .pointer = snd_ali_pointer,
1776 };
1777
1778 static snd_pcm_ops_t snd_ali_modem_capture_ops = {
1779 .open = snd_ali_modem_capture_open,
1780 .close = snd_ali_close,
1781 .ioctl = snd_pcm_lib_ioctl,
1782 .hw_params = snd_ali_modem_hw_params,
1783 .hw_free = snd_ali_hw_free,
1784 .prepare = snd_ali_prepare,
1785 .trigger = snd_ali_trigger,
1786 .pointer = snd_ali_pointer,
1787 };
1788
1789
1790 struct ali_pcm_description {
1791 char *name;
1792 unsigned int playback_num;
1793 unsigned int capture_num;
1794 snd_pcm_ops_t *playback_ops;
1795 snd_pcm_ops_t *capture_ops;
1796 unsigned short class;
1797 };
1798
1799
1800 static void snd_ali_pcm_free(snd_pcm_t *pcm)
1801 {
1802 ali_t *codec = pcm->private_data;
1803 codec->pcm[pcm->device] = NULL;
1804 }
1805
1806
1807 static int __devinit snd_ali_pcm(ali_t * codec, int device, struct ali_pcm_description *desc)
1808 {
1809 snd_pcm_t *pcm;
1810 int err;
1811
1812 err = snd_pcm_new(codec->card, desc->name, device,
1813 desc->playback_num, desc->capture_num, &pcm);
1814 if (err < 0) {
1815 snd_printk(KERN_ERR "snd_ali_pcm: err called snd_pcm_new.\n");
1816 return err;
1817 }
1818 pcm->private_data = codec;
1819 pcm->private_free = snd_ali_pcm_free;
1820 if (desc->playback_ops)
1821 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, desc->playback_ops);
1822 if (desc->capture_ops)
1823 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, desc->capture_ops);
1824
1825 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1826 snd_dma_pci_data(codec->pci), 64*1024, 128*1024);
1827
1828 pcm->info_flags = 0;
1829 pcm->dev_class = desc->class;
1830 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1831 strcpy(pcm->name, desc->name);
1832 codec->pcm[0] = pcm;
1833 return 0;
1834 }
1835
1836 static struct ali_pcm_description ali_pcms[] = {
1837 { "ALI 5451", ALI_CHANNELS, 1, &snd_ali_playback_ops, &snd_ali_capture_ops },
1838 { "ALI 5451 modem", 1, 1, &snd_ali_modem_playback_ops, &snd_ali_modem_capture_ops, SNDRV_PCM_CLASS_MODEM }
1839 };
1840
1841 static int __devinit snd_ali_build_pcms(ali_t *codec)
1842 {
1843 int i, err;
1844 for(i = 0 ; i < codec->num_of_codecs && i < ARRAY_SIZE(ali_pcms) ; i++)
1845 if((err = snd_ali_pcm(codec, i, &ali_pcms[i])) < 0)
1846 return err;
1847 return 0;
1848 }
1849
1850
1851 #define ALI5451_SPDIF(xname, xindex, value) \
1852 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
1853 .info = snd_ali5451_spdif_info, .get = snd_ali5451_spdif_get, \
1854 .put = snd_ali5451_spdif_put, .private_value = value}
1855
1856 static int snd_ali5451_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
1857 {
1858 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1859 uinfo->count = 1;
1860 uinfo->value.integer.min = 0;
1861 uinfo->value.integer.max = 1;
1862 return 0;
1863 }
1864
1865 static int snd_ali5451_spdif_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1866 {
1867 unsigned long flags;
1868 ali_t *codec = kcontrol->private_data;
1869 unsigned int enable;
1870
1871 enable = ucontrol->value.integer.value[0] ? 1 : 0;
1872
1873 spin_lock_irqsave(&codec->reg_lock, flags);
1874 switch(kcontrol->private_value) {
1875 case 0:
1876 enable = (codec->spdif_mask & 0x02) ? 1 : 0;
1877 break;
1878 case 1:
1879 enable = ((codec->spdif_mask & 0x02) && (codec->spdif_mask & 0x04)) ? 1 : 0;
1880 break;
1881 case 2:
1882 enable = (codec->spdif_mask & 0x01) ? 1 : 0;
1883 break;
1884 default:
1885 break;
1886 }
1887 ucontrol->value.integer.value[0] = enable;
1888 spin_unlock_irqrestore(&codec->reg_lock, flags);
1889 return 0;
1890 }
1891
1892 static int snd_ali5451_spdif_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1893 {
1894 unsigned long flags;
1895 ali_t *codec = kcontrol->private_data;
1896 unsigned int change = 0, enable = 0;
1897
1898 enable = ucontrol->value.integer.value[0] ? 1 : 0;
1899
1900 spin_lock_irqsave(&codec->reg_lock, flags);
1901 switch (kcontrol->private_value) {
1902 case 0:
1903 change = (codec->spdif_mask & 0x02) ? 1 : 0;
1904 change = change ^ enable;
1905 if (change) {
1906 if (enable) {
1907 codec->spdif_mask |= 0x02;
1908 snd_ali_enable_spdif_out(codec);
1909 } else {
1910 codec->spdif_mask &= ~(0x02);
1911 codec->spdif_mask &= ~(0x04);
1912 snd_ali_disable_spdif_out(codec);
1913 }
1914 }
1915 break;
1916 case 1:
1917 change = (codec->spdif_mask & 0x04) ? 1 : 0;
1918 change = change ^ enable;
1919 if (change && (codec->spdif_mask & 0x02)) {
1920 if (enable) {
1921 codec->spdif_mask |= 0x04;
1922 snd_ali_enable_spdif_chnout(codec);
1923 } else {
1924 codec->spdif_mask &= ~(0x04);
1925 snd_ali_disable_spdif_chnout(codec);
1926 }
1927 }
1928 break;
1929 case 2:
1930 change = (codec->spdif_mask & 0x01) ? 1 : 0;
1931 change = change ^ enable;
1932 if (change) {
1933 if (enable) {
1934 codec->spdif_mask |= 0x01;
1935 snd_ali_enable_spdif_in(codec);
1936 } else {
1937 codec->spdif_mask &= ~(0x01);
1938 snd_ali_disable_spdif_in(codec);
1939 }
1940 }
1941 break;
1942 default:
1943 break;
1944 }
1945 spin_unlock_irqrestore(&codec->reg_lock, flags);
1946
1947 return change;
1948 }
1949
1950 static snd_kcontrol_new_t snd_ali5451_mixer_spdif[] __devinitdata = {
1951 /* spdif aplayback switch */
1952 /* FIXME: "IEC958 Playback Switch" may conflict with one on ac97_codec */
1953 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 0, 0),
1954 /* spdif out to spdif channel */
1955 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Channel Output ",NONE,SWITCH), 0, 1),
1956 /* spdif in from spdif channel */
1957 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, 2)
1958 };
1959
1960 static void snd_ali_mixer_free_ac97_bus(ac97_bus_t *bus)
1961 {
1962 ali_t *codec = bus->private_data;
1963 codec->ac97_bus = NULL;
1964 }
1965
1966 static void snd_ali_mixer_free_ac97(ac97_t *ac97)
1967 {
1968 ali_t *codec = ac97->private_data;
1969 codec->ac97[ac97->num] = NULL;
1970 }
1971
1972 static int __devinit snd_ali_mixer(ali_t * codec)
1973 {
1974 ac97_template_t ac97;
1975 unsigned int idx;
1976 int i, err;
1977 static ac97_bus_ops_t ops = {
1978 .write = snd_ali_codec_write,
1979 .read = snd_ali_codec_read,
1980 };
1981
1982 if ((err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus)) < 0)
1983 return err;
1984 codec->ac97_bus->private_free = snd_ali_mixer_free_ac97_bus;
1985
1986 memset(&ac97, 0, sizeof(ac97));
1987 ac97.private_data = codec;
1988 ac97.private_free = snd_ali_mixer_free_ac97;
1989
1990 for ( i = 0 ; i < codec->num_of_codecs ; i++) {
1991 ac97.num = i;
1992 if ((err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97[i])) < 0) {
1993 snd_printk(KERN_ERR "ali mixer %d creating error.\n", i);
1994 if(i == 0)
1995 return err;
1996 codec->num_of_codecs = 1;
1997 break;
1998 }
1999 }
2000
2001 if (codec->spdif_support) {
2002 for(idx = 0; idx < ARRAY_SIZE(snd_ali5451_mixer_spdif); idx++) {
2003 err=snd_ctl_add(codec->card, snd_ctl_new1(&snd_ali5451_mixer_spdif[idx], codec));
2004 if (err < 0) return err;
2005 }
2006 }
2007 return 0;
2008 }
2009
2010 #ifdef CONFIG_PM
2011 static int ali_suspend(snd_card_t *card, pm_message_t state)
2012 {
2013 ali_t *chip = card->pm_private_data;
2014 ali_image_t *im;
2015 int i, j;
2016
2017 im = chip->image;
2018 if (! im)
2019 return 0;
2020
2021 for(i = 0 ; i < chip->num_of_codecs ; i++) {
2022 if (chip->pcm[i])
2023 snd_pcm_suspend_all(chip->pcm[i]);
2024 if(chip->ac97[i])
2025 snd_ac97_suspend(chip->ac97[i]);
2026 }
2027
2028 spin_lock_irq(&chip->reg_lock);
2029
2030 im->regs[ALI_MISCINT >> 2] = inl(ALI_REG(chip, ALI_MISCINT));
2031 // im->regs[ALI_START >> 2] = inl(ALI_REG(chip, ALI_START));
2032 im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP));
2033
2034 // disable all IRQ bits
2035 outl(0, ALI_REG(chip, ALI_MISCINT));
2036
2037 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
2038 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP))
2039 continue;
2040 im->regs[i] = inl(ALI_REG(chip, i*4));
2041 }
2042
2043 for (i = 0; i < ALI_CHANNELS; i++) {
2044 outb(i, ALI_REG(chip, ALI_GC_CIR));
2045 for (j = 0; j < ALI_CHANNEL_REGS; j++)
2046 im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0));
2047 }
2048
2049 // stop all HW channel
2050 outl(0xffffffff, ALI_REG(chip, ALI_STOP));
2051
2052 spin_unlock_irq(&chip->reg_lock);
2053 pci_disable_device(chip->pci);
2054 return 0;
2055 }
2056
2057 static int ali_resume(snd_card_t *card)
2058 {
2059 ali_t *chip = card->pm_private_data;
2060 ali_image_t *im;
2061 int i, j;
2062
2063 im = chip->image;
2064 if (! im)
2065 return 0;
2066
2067 pci_enable_device(chip->pci);
2068
2069 spin_lock_irq(&chip->reg_lock);
2070
2071 for (i = 0; i < ALI_CHANNELS; i++) {
2072 outb(i, ALI_REG(chip, ALI_GC_CIR));
2073 for (j = 0; j < ALI_CHANNEL_REGS; j++)
2074 outl(im->channel_regs[i][j], ALI_REG(chip, j*4 + 0xe0));
2075 }
2076
2077 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
2078 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) || (i*4 == ALI_START))
2079 continue;
2080 outl(im->regs[i], ALI_REG(chip, i*4));
2081 }
2082
2083 // start HW channel
2084 outl(im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START));
2085 // restore IRQ enable bits
2086 outl(im->regs[ALI_MISCINT >> 2], ALI_REG(chip, ALI_MISCINT));
2087
2088 spin_unlock_irq(&chip->reg_lock);
2089
2090 for(i = 0 ; i < chip->num_of_codecs ; i++)
2091 if(chip->ac97[i])
2092 snd_ac97_resume(chip->ac97[i]);
2093
2094 return 0;
2095 }
2096 #endif /* CONFIG_PM */
2097
2098 static int snd_ali_free(ali_t * codec)
2099 {
2100 if (codec->hw_initialized)
2101 snd_ali_disable_address_interrupt(codec);
2102 if (codec->irq >= 0) {
2103 synchronize_irq(codec->irq);
2104 free_irq(codec->irq, (void *)codec);
2105 }
2106 if (codec->port)
2107 pci_release_regions(codec->pci);
2108 pci_disable_device(codec->pci);
2109 #ifdef CONFIG_PM
2110 kfree(codec->image);
2111 #endif
2112 pci_dev_put(codec->pci_m1533);
2113 pci_dev_put(codec->pci_m7101);
2114 kfree(codec);
2115 return 0;
2116 }
2117
2118 static int snd_ali_chip_init(ali_t *codec)
2119 {
2120 unsigned int legacy;
2121 unsigned char temp;
2122 struct pci_dev *pci_dev = NULL;
2123
2124 snd_ali_printk("chip initializing ... \n");
2125
2126 if (snd_ali_reset_5451(codec)) {
2127 snd_printk(KERN_ERR "ali_chip_init: reset 5451 error.\n");
2128 return -1;
2129 }
2130
2131 if (codec->revision == ALI_5451_V02) {
2132 pci_dev = codec->pci_m1533;
2133 pci_read_config_byte(pci_dev, 0x59, &temp);
2134 temp |= 0x80;
2135 pci_write_config_byte(pci_dev, 0x59, temp);
2136
2137 pci_dev = codec->pci_m7101;
2138 pci_read_config_byte(pci_dev, 0xb8, &temp);
2139 temp |= 0x20;
2140 pci_write_config_byte(pci_dev, 0xB8, temp);
2141 }
2142
2143 pci_read_config_dword(codec->pci, 0x44, &legacy);
2144 legacy &= 0xff00ff00;
2145 legacy |= 0x000800aa;
2146 pci_write_config_dword(codec->pci, 0x44, legacy);
2147
2148 outl(0x80000001, ALI_REG(codec, ALI_GLOBAL_CONTROL));
2149 outl(0x00000000, ALI_REG(codec, ALI_AINTEN));
2150 outl(0xffffffff, ALI_REG(codec, ALI_AINT));
2151 outl(0x00000000, ALI_REG(codec, ALI_VOLUME));
2152 outb(0x10, ALI_REG(codec, ALI_MPUR2));
2153
2154 codec->ac97_ext_id = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_ID);
2155 codec->ac97_ext_status = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_STATUS);
2156 if (codec->spdif_support) {
2157 snd_ali_enable_spdif_out(codec);
2158 codec->spdif_mask = 0x00000002;
2159 }
2160
2161 codec->num_of_codecs = 1;
2162
2163 /* secondary codec - modem */
2164 if (inl(ALI_REG(codec, ALI_SCTRL)) & ALI_SCTRL_CODEC2_READY) {
2165 codec->num_of_codecs++;
2166 outl(inl(ALI_REG(codec, ALI_SCTRL)) |
2167 (ALI_SCTRL_LINE_IN2|ALI_SCTRL_GPIO_IN2|ALI_SCTRL_LINE_OUT_EN),
2168 ALI_REG(codec, ALI_SCTRL));
2169 }
2170
2171 snd_ali_printk("chip initialize succeed.\n");
2172 return 0;
2173
2174 }
2175
2176 /* proc for register dump */
2177 static void snd_ali_proc_read(snd_info_entry_t *entry, snd_info_buffer_t *buf)
2178 {
2179 ali_t *codec = entry->private_data;
2180 int i;
2181 for(i = 0 ; i < 256 ; i+= 4)
2182 snd_iprintf(buf, "%02x: %08x\n", i, inl(ALI_REG(codec, i)));
2183 }
2184
2185 static void __devinit snd_ali_proc_init(ali_t *codec)
2186 {
2187 snd_info_entry_t *entry;
2188 if(!snd_card_proc_new(codec->card, "ali5451", &entry))
2189 snd_info_set_text_ops(entry, codec, 1024, snd_ali_proc_read);
2190 }
2191
2192 static int __devinit snd_ali_resources(ali_t *codec)
2193 {
2194 int err;
2195
2196 snd_ali_printk("resouces allocation ...\n");
2197 if ((err = pci_request_regions(codec->pci, "ALI 5451")) < 0)
2198 return err;
2199 codec->port = pci_resource_start(codec->pci, 0);
2200
2201 if (request_irq(codec->pci->irq, snd_ali_card_interrupt, SA_INTERRUPT|SA_SHIRQ, "ALI 5451", (void *)codec)) {
2202 snd_printk(KERN_ERR "Unable to request irq.\n");
2203 return -EBUSY;
2204 }
2205 codec->irq = codec->pci->irq;
2206 snd_ali_printk("resouces allocated.\n");
2207 return 0;
2208 }
2209 static int snd_ali_dev_free(snd_device_t *device)
2210 {
2211 ali_t *codec=device->device_data;
2212 snd_ali_free(codec);
2213 return 0;
2214 }
2215
2216 static int __devinit snd_ali_create(snd_card_t * card,
2217 struct pci_dev *pci,
2218 int pcm_streams,
2219 int spdif_support,
2220 ali_t ** r_ali)
2221 {
2222 ali_t *codec;
2223 int i, err;
2224 unsigned short cmdw = 0;
2225 struct pci_dev *pci_dev = NULL;
2226 static snd_device_ops_t ops = {
2227 (snd_dev_free_t *)snd_ali_dev_free,
2228 NULL,
2229 NULL
2230 };
2231
2232 *r_ali = NULL;
2233
2234 snd_ali_printk("creating ...\n");
2235
2236 /* enable PCI device */
2237 if ((err = pci_enable_device(pci)) < 0)
2238 return err;
2239 /* check, if we can restrict PCI DMA transfers to 31 bits */
2240 if (pci_set_dma_mask(pci, 0x7fffffff) < 0 ||
2241 pci_set_consistent_dma_mask(pci, 0x7fffffff) < 0) {
2242 snd_printk(KERN_ERR "architecture does not support 31bit PCI busmaster DMA\n");
2243 pci_disable_device(pci);
2244 return -ENXIO;
2245 }
2246
2247 if ((codec = kzalloc(sizeof(*codec), GFP_KERNEL)) == NULL) {
2248 pci_disable_device(pci);
2249 return -ENOMEM;
2250 }
2251
2252 spin_lock_init(&codec->reg_lock);
2253 spin_lock_init(&codec->voice_alloc);
2254
2255 codec->card = card;
2256 codec->pci = pci;
2257 codec->irq = -1;
2258 pci_read_config_byte(pci, PCI_REVISION_ID, &codec->revision);
2259 codec->spdif_support = spdif_support;
2260
2261 if (pcm_streams < 1)
2262 pcm_streams = 1;
2263 if (pcm_streams > 32)
2264 pcm_streams = 32;
2265
2266 pci_set_master(pci);
2267 pci_read_config_word(pci, PCI_COMMAND, &cmdw);
2268 if ((cmdw & PCI_COMMAND_IO) != PCI_COMMAND_IO) {
2269 cmdw |= PCI_COMMAND_IO;
2270 pci_write_config_word(pci, PCI_COMMAND, cmdw);
2271 }
2272 pci_set_master(pci);
2273
2274 if (snd_ali_resources(codec)) {
2275 snd_ali_free(codec);
2276 return -EBUSY;
2277 }
2278
2279 synchronize_irq(pci->irq);
2280
2281 codec->synth.chmap = 0;
2282 codec->synth.chcnt = 0;
2283 codec->spdif_mask = 0;
2284 codec->synth.synthcount = 0;
2285
2286 if (codec->revision == ALI_5451_V02)
2287 codec->chregs.regs.ac97read = ALI_AC97_WRITE;
2288 else
2289 codec->chregs.regs.ac97read = ALI_AC97_READ;
2290 codec->chregs.regs.ac97write = ALI_AC97_WRITE;
2291
2292 codec->chregs.regs.start = ALI_START;
2293 codec->chregs.regs.stop = ALI_STOP;
2294 codec->chregs.regs.aint = ALI_AINT;
2295 codec->chregs.regs.ainten = ALI_AINTEN;
2296
2297 codec->chregs.data.start = 0x00;
2298 codec->chregs.data.stop = 0x00;
2299 codec->chregs.data.aint = 0x00;
2300 codec->chregs.data.ainten = 0x00;
2301
2302 /* M1533: southbridge */
2303 pci_dev = pci_get_device(0x10b9, 0x1533, NULL);
2304 codec->pci_m1533 = pci_dev;
2305 if (! codec->pci_m1533) {
2306 snd_printk(KERN_ERR "ali5451: cannot find ALi 1533 chip.\n");
2307 snd_ali_free(codec);
2308 return -ENODEV;
2309 }
2310 /* M7101: power management */
2311 pci_dev = pci_get_device(0x10b9, 0x7101, NULL);
2312 codec->pci_m7101 = pci_dev;
2313 if (! codec->pci_m7101 && codec->revision == ALI_5451_V02) {
2314 snd_printk(KERN_ERR "ali5451: cannot find ALi 7101 chip.\n");
2315 snd_ali_free(codec);
2316 return -ENODEV;
2317 }
2318
2319 snd_ali_printk("snd_device_new is called.\n");
2320 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops)) < 0) {
2321 snd_ali_free(codec);
2322 return err;
2323 }
2324
2325 /* initialise synth voices*/
2326 for (i = 0; i < ALI_CHANNELS; i++ ) {
2327 codec->synth.voices[i].number = i;
2328 }
2329
2330 if ((err = snd_ali_chip_init(codec)) < 0) {
2331 snd_printk(KERN_ERR "ali create: chip init error.\n");
2332 return err;
2333 }
2334
2335 #ifdef CONFIG_PM
2336 codec->image = kmalloc(sizeof(*codec->image), GFP_KERNEL);
2337 if (! codec->image)
2338 snd_printk(KERN_WARNING "can't allocate apm buffer\n");
2339 else
2340 snd_card_set_pm_callback(card, ali_suspend, ali_resume, codec);
2341 #endif
2342
2343 snd_ali_enable_address_interrupt(codec);
2344 codec->hw_initialized = 1;
2345
2346 *r_ali = codec;
2347 snd_ali_printk("created.\n");
2348 return 0;
2349 }
2350
2351 static int __devinit snd_ali_probe(struct pci_dev *pci,
2352 const struct pci_device_id *pci_id)
2353 {
2354 snd_card_t *card;
2355 ali_t *codec;
2356 int err;
2357
2358 snd_ali_printk("probe ...\n");
2359
2360 card = snd_card_new(index, id, THIS_MODULE, 0);
2361 if (card == NULL)
2362 return -ENOMEM;
2363
2364 if ((err = snd_ali_create(card, pci, pcm_channels, spdif, &codec)) < 0) {
2365 snd_card_free(card);
2366 return err;
2367 }
2368
2369 snd_ali_printk("mixer building ...\n");
2370 if ((err = snd_ali_mixer(codec)) < 0) {
2371 snd_card_free(card);
2372 return err;
2373 }
2374
2375 snd_ali_printk("pcm building ...\n");
2376 if ((err = snd_ali_build_pcms(codec)) < 0) {
2377 snd_card_free(card);
2378 return err;
2379 }
2380
2381 snd_ali_proc_init(codec);
2382
2383 strcpy(card->driver, "ALI5451");
2384 strcpy(card->shortname, "ALI 5451");
2385
2386 sprintf(card->longname, "%s at 0x%lx, irq %li",
2387 card->shortname, codec->port, codec->irq);
2388
2389 snd_ali_printk("register card.\n");
2390 if ((err = snd_card_register(card)) < 0) {
2391 snd_card_free(card);
2392 return err;
2393 }
2394 pci_set_drvdata(pci, card);
2395 return 0;
2396 }
2397
2398 static void __devexit snd_ali_remove(struct pci_dev *pci)
2399 {
2400 snd_card_free(pci_get_drvdata(pci));
2401 pci_set_drvdata(pci, NULL);
2402 }
2403
2404 static struct pci_driver driver = {
2405 .name = "ALI 5451",
2406 .owner = THIS_MODULE,
2407 .id_table = snd_ali_ids,
2408 .probe = snd_ali_probe,
2409 .remove = __devexit_p(snd_ali_remove),
2410 SND_PCI_PM_CALLBACKS
2411 };
2412
2413 static int __init alsa_card_ali_init(void)
2414 {
2415 return pci_register_driver(&driver);
2416 }
2417
2418 static void __exit alsa_card_ali_exit(void)
2419 {
2420 pci_unregister_driver(&driver);
2421 }
2422
2423 module_init(alsa_card_ali_init)
2424 module_exit(alsa_card_ali_exit)
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