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[RTNETLINK]: Fix sending netlink message when replace route.
[linux-2.6.22.y-op.git] / sound / pci / ali5451 / ali5451.c
blobe1ed59549c5063a76ba0eb200f966ebaa0c268c8
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 <linux/dma-mapping.h>
37 #include <sound/core.h>
38 #include <sound/pcm.h>
39 #include <sound/info.h>
40 #include <sound/ac97_codec.h>
41 #include <sound/mpu401.h>
42 #include <sound/initval.h>
43
44 MODULE_AUTHOR("Matt Wu <Matt_Wu@acersoftech.com.cn>");
45 MODULE_DESCRIPTION("ALI M5451");
46 MODULE_LICENSE("GPL");
47 MODULE_SUPPORTED_DEVICE("{{ALI,M5451,pci},{ALI,M5451}}");
48
49 static int index = SNDRV_DEFAULT_IDX1; /* Index */
50 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */
51 static int pcm_channels = 32;
52 static int spdif;
53
54 module_param(index, int, 0444);
55 MODULE_PARM_DESC(index, "Index value for ALI M5451 PCI Audio.");
56 module_param(id, charp, 0444);
57 MODULE_PARM_DESC(id, "ID string for ALI M5451 PCI Audio.");
58 module_param(pcm_channels, int, 0444);
59 MODULE_PARM_DESC(pcm_channels, "PCM Channels");
60 module_param(spdif, bool, 0444);
61 MODULE_PARM_DESC(spdif, "Support SPDIF I/O");
62
63 /* just for backward compatibility */
64 static int enable;
65 module_param(enable, bool, 0444);
66
67
68 /*
69 * Debug part definitions
70 */
71
72 /* #define ALI_DEBUG */
73
74 #ifdef ALI_DEBUG
75 #define snd_ali_printk(format, args...) printk(KERN_DEBUG format, ##args);
76 #else
77 #define snd_ali_printk(format, args...)
78 #endif
79
80 /*
81 * Constants definition
82 */
83
84 #define DEVICE_ID_ALI5451 ((PCI_VENDOR_ID_AL<<16)|PCI_DEVICE_ID_AL_M5451)
85
86
87 #define ALI_CHANNELS 32
88
89 #define ALI_PCM_IN_CHANNEL 31
90 #define ALI_SPDIF_IN_CHANNEL 19
91 #define ALI_SPDIF_OUT_CHANNEL 15
92 #define ALI_CENTER_CHANNEL 24
93 #define ALI_LEF_CHANNEL 23
94 #define ALI_SURR_LEFT_CHANNEL 26
95 #define ALI_SURR_RIGHT_CHANNEL 25
96 #define ALI_MODEM_IN_CHANNEL 21
97 #define ALI_MODEM_OUT_CHANNEL 20
98
99 #define SNDRV_ALI_VOICE_TYPE_PCM 01
100 #define SNDRV_ALI_VOICE_TYPE_OTH 02
101
102 #define ALI_5451_V02 0x02
103
104 /*
105 * Direct Registers
106 */
107
108 #define ALI_LEGACY_DMAR0 0x00 /* ADR0 */
109 #define ALI_LEGACY_DMAR4 0x04 /* CNT0 */
110 #define ALI_LEGACY_DMAR11 0x0b /* MOD */
111 #define ALI_LEGACY_DMAR15 0x0f /* MMR */
112 #define ALI_MPUR0 0x20
113 #define ALI_MPUR1 0x21
114 #define ALI_MPUR2 0x22
115 #define ALI_MPUR3 0x23
116
117 #define ALI_AC97_WRITE 0x40
118 #define ALI_AC97_READ 0x44
119
120 #define ALI_SCTRL 0x48
121 #define ALI_SPDIF_OUT_ENABLE 0x20
122 #define ALI_SCTRL_LINE_IN2 (1 << 9)
123 #define ALI_SCTRL_GPIO_IN2 (1 << 13)
124 #define ALI_SCTRL_LINE_OUT_EN (1 << 20)
125 #define ALI_SCTRL_GPIO_OUT_EN (1 << 23)
126 #define ALI_SCTRL_CODEC1_READY (1 << 24)
127 #define ALI_SCTRL_CODEC2_READY (1 << 25)
128 #define ALI_AC97_GPIO 0x4c
129 #define ALI_AC97_GPIO_ENABLE 0x8000
130 #define ALI_AC97_GPIO_DATA_SHIFT 16
131 #define ALI_SPDIF_CS 0x70
132 #define ALI_SPDIF_CTRL 0x74
133 #define ALI_SPDIF_IN_FUNC_ENABLE 0x02
134 #define ALI_SPDIF_IN_CH_STATUS 0x40
135 #define ALI_SPDIF_OUT_CH_STATUS 0xbf
136 #define ALI_START 0x80
137 #define ALI_STOP 0x84
138 #define ALI_CSPF 0x90
139 #define ALI_AINT 0x98
140 #define ALI_GC_CIR 0xa0
141 #define ENDLP_IE 0x00001000
142 #define MIDLP_IE 0x00002000
143 #define ALI_AINTEN 0xa4
144 #define ALI_VOLUME 0xa8
145 #define ALI_SBDELTA_DELTA_R 0xac
146 #define ALI_MISCINT 0xb0
147 #define ADDRESS_IRQ 0x00000020
148 #define TARGET_REACHED 0x00008000
149 #define MIXER_OVERFLOW 0x00000800
150 #define MIXER_UNDERFLOW 0x00000400
151 #define GPIO_IRQ 0x01000000
152 #define ALI_SBBL_SBCL 0xc0
153 #define ALI_SBCTRL_SBE2R_SBDD 0xc4
154 #define ALI_STIMER 0xc8
155 #define ALI_GLOBAL_CONTROL 0xd4
156 #define ALI_SPDIF_OUT_SEL_PCM 0x00000400 /* bit 10 */
157 #define ALI_SPDIF_IN_SUPPORT 0x00000800 /* bit 11 */
158 #define ALI_SPDIF_OUT_CH_ENABLE 0x00008000 /* bit 15 */
159 #define ALI_SPDIF_IN_CH_ENABLE 0x00080000 /* bit 19 */
160 #define ALI_PCM_IN_ENABLE 0x80000000 /* bit 31 */
161
162 #define ALI_CSO_ALPHA_FMS 0xe0
163 #define ALI_LBA 0xe4
164 #define ALI_ESO_DELTA 0xe8
165 #define ALI_GVSEL_PAN_VOC_CTRL_EC 0xf0
166 #define ALI_EBUF1 0xf4
167 #define ALI_EBUF2 0xf8
168
169 #define ALI_REG(codec, x) ((codec)->port + x)
170
171 #define MAX_CODECS 2
172
173
174 struct snd_ali;
175 struct snd_ali_voice;
176
177 struct snd_ali_channel_control {
178 /* register data */
179 struct REGDATA {
180 unsigned int start;
181 unsigned int stop;
182 unsigned int aint;
183 unsigned int ainten;
184 } data;
185
186 /* register addresses */
187 struct REGS {
188 unsigned int start;
189 unsigned int stop;
190 unsigned int aint;
191 unsigned int ainten;
192 unsigned int ac97read;
193 unsigned int ac97write;
194 } regs;
195
196 };
197
198 struct snd_ali_voice {
199 unsigned int number;
200 unsigned int use :1,
201 pcm :1,
202 midi :1,
203 mode :1,
204 synth :1,
205 running :1;
206
207 /* PCM data */
208 struct snd_ali *codec;
209 struct snd_pcm_substream *substream;
210 struct snd_ali_voice *extra;
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 #define ALI_GLOBAL_REGS 56
234 #define ALI_CHANNEL_REGS 8
235 struct snd_ali_image {
236 u32 regs[ALI_GLOBAL_REGS];
237 u32 channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS];
238 };
239
240
241 struct snd_ali {
242 unsigned long irq;
243 unsigned long port;
244 unsigned char revision;
245
246 unsigned int hw_initialized :1;
247 unsigned int spdif_support :1;
248
249 struct pci_dev *pci;
250 struct pci_dev *pci_m1533;
251 struct pci_dev *pci_m7101;
252
253 struct snd_card *card;
254 struct snd_pcm *pcm[MAX_CODECS];
255 struct snd_alidev synth;
256 struct snd_ali_channel_control chregs;
257
258 /* S/PDIF Mask */
259 unsigned int spdif_mask;
260
261 unsigned int spurious_irq_count;
262 unsigned int spurious_irq_max_delta;
263
264 unsigned int num_of_codecs;
265
266 struct snd_ac97_bus *ac97_bus;
267 struct snd_ac97 *ac97[MAX_CODECS];
268 unsigned short ac97_ext_id;
269 unsigned short ac97_ext_status;
270
271 spinlock_t reg_lock;
272 spinlock_t voice_alloc;
273
274 #ifdef CONFIG_PM
275 struct snd_ali_image *image;
276 #endif
277 };
278
279 static struct pci_device_id snd_ali_ids[] = {
280 {PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5451), 0, 0, 0},
281 {0, }
282 };
283 MODULE_DEVICE_TABLE(pci, snd_ali_ids);
284
285 static void snd_ali_clear_voices(struct snd_ali *, unsigned int, unsigned int);
286 static unsigned short snd_ali_codec_peek(struct snd_ali *, int, unsigned short);
287 static void snd_ali_codec_poke(struct snd_ali *, int, unsigned short,
288 unsigned short);
289
290 /*
291 * AC97 ACCESS
292 */
293
294 static inline unsigned int snd_ali_5451_peek(struct snd_ali *codec,
295 unsigned int port)
296 {
297 return (unsigned int)inl(ALI_REG(codec, port));
298 }
299
300 static inline void snd_ali_5451_poke(struct snd_ali *codec,
301 unsigned int port,
302 unsigned int val)
303 {
304 outl((unsigned int)val, ALI_REG(codec, port));
305 }
306
307 static int snd_ali_codec_ready(struct snd_ali *codec,
308 unsigned int port)
309 {
310 unsigned long end_time;
311 unsigned int res;
312
313 end_time = jiffies + msecs_to_jiffies(250);
314 do {
315 res = snd_ali_5451_peek(codec,port);
316 if (!(res & 0x8000))
317 return 0;
318 schedule_timeout_uninterruptible(1);
319 } while (time_after_eq(end_time, jiffies));
320 snd_ali_5451_poke(codec, port, res & ~0x8000);
321 snd_printdd("ali_codec_ready: codec is not ready.\n ");
322 return -EIO;
323 }
324
325 static int snd_ali_stimer_ready(struct snd_ali *codec)
326 {
327 unsigned long end_time;
328 unsigned long dwChk1,dwChk2;
329
330 dwChk1 = snd_ali_5451_peek(codec, ALI_STIMER);
331 dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER);
332
333 end_time = jiffies + msecs_to_jiffies(250);
334 do {
335 dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER);
336 if (dwChk2 != dwChk1)
337 return 0;
338 schedule_timeout_uninterruptible(1);
339 } while (time_after_eq(end_time, jiffies));
340 snd_printk(KERN_ERR "ali_stimer_read: stimer is not ready.\n");
341 return -EIO;
342 }
343
344 static void snd_ali_codec_poke(struct snd_ali *codec,int secondary,
345 unsigned short reg,
346 unsigned short val)
347 {
348 unsigned int dwVal;
349 unsigned int port;
350
351 if (reg >= 0x80) {
352 snd_printk(KERN_ERR "ali_codec_poke: reg(%xh) invalid.\n", reg);
353 return;
354 }
355
356 port = codec->chregs.regs.ac97write;
357
358 if (snd_ali_codec_ready(codec, port) < 0)
359 return;
360 if (snd_ali_stimer_ready(codec) < 0)
361 return;
362
363 dwVal = (unsigned int) (reg & 0xff);
364 dwVal |= 0x8000 | (val << 16);
365 if (secondary)
366 dwVal |= 0x0080;
367 if (codec->revision == ALI_5451_V02)
368 dwVal |= 0x0100;
369
370 snd_ali_5451_poke(codec, port, dwVal);
371
372 return ;
373 }
374
375 static unsigned short snd_ali_codec_peek(struct snd_ali *codec,
376 int secondary,
377 unsigned short reg)
378 {
379 unsigned int dwVal;
380 unsigned int port;
381
382 if (reg >= 0x80) {
383 snd_printk(KERN_ERR "ali_codec_peek: reg(%xh) invalid.\n", reg);
384 return ~0;
385 }
386
387 port = codec->chregs.regs.ac97read;
388
389 if (snd_ali_codec_ready(codec, port) < 0)
390 return ~0;
391 if (snd_ali_stimer_ready(codec) < 0)
392 return ~0;
393
394 dwVal = (unsigned int) (reg & 0xff);
395 dwVal |= 0x8000; /* bit 15*/
396 if (secondary)
397 dwVal |= 0x0080;
398
399 snd_ali_5451_poke(codec, port, dwVal);
400
401 if (snd_ali_stimer_ready(codec) < 0)
402 return ~0;
403 if (snd_ali_codec_ready(codec, port) < 0)
404 return ~0;
405
406 return (snd_ali_5451_peek(codec, port) & 0xffff0000) >> 16;
407 }
408
409 static void snd_ali_codec_write(struct snd_ac97 *ac97,
410 unsigned short reg,
411 unsigned short val )
412 {
413 struct snd_ali *codec = ac97->private_data;
414
415 snd_ali_printk("codec_write: reg=%xh data=%xh.\n", reg, val);
416 if (reg == AC97_GPIO_STATUS) {
417 outl((val << ALI_AC97_GPIO_DATA_SHIFT) | ALI_AC97_GPIO_ENABLE,
418 ALI_REG(codec, ALI_AC97_GPIO));
419 return;
420 }
421 snd_ali_codec_poke(codec, ac97->num, reg, val);
422 return ;
423 }
424
425
426 static unsigned short snd_ali_codec_read(struct snd_ac97 *ac97,
427 unsigned short reg)
428 {
429 struct snd_ali *codec = ac97->private_data;
430
431 snd_ali_printk("codec_read reg=%xh.\n", reg);
432 return snd_ali_codec_peek(codec, ac97->num, reg);
433 }
434
435 /*
436 * AC97 Reset
437 */
438
439 static int snd_ali_reset_5451(struct snd_ali *codec)
440 {
441 struct pci_dev *pci_dev;
442 unsigned short wCount, wReg;
443 unsigned int dwVal;
444
445 pci_dev = codec->pci_m1533;
446 if (pci_dev) {
447 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
448 pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000);
449 udelay(5000);
450 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
451 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff);
452 udelay(5000);
453 }
454
455 pci_dev = codec->pci;
456 pci_read_config_dword(pci_dev, 0x44, &dwVal);
457 pci_write_config_dword(pci_dev, 0x44, dwVal | 0x000c0000);
458 udelay(500);
459 pci_read_config_dword(pci_dev, 0x44, &dwVal);
460 pci_write_config_dword(pci_dev, 0x44, dwVal & 0xfffbffff);
461 udelay(5000);
462
463 wCount = 200;
464 while(wCount--) {
465 wReg = snd_ali_codec_peek(codec, 0, AC97_POWERDOWN);
466 if ((wReg & 0x000f) == 0x000f)
467 return 0;
468 udelay(5000);
469 }
470
471 /* non-fatal if you have a non PM capable codec */
472 /* snd_printk(KERN_WARNING "ali5451: reset time out\n"); */
473 return 0;
474 }
475
476 #ifdef CODEC_RESET
477
478 static int snd_ali_reset_codec(struct snd_ali *codec)
479 {
480 struct pci_dev *pci_dev;
481 unsigned char bVal;
482 unsigned int dwVal;
483 unsigned short wCount, wReg;
484
485 pci_dev = codec->pci_m1533;
486
487 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
488 pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000);
489 udelay(5000);
490 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
491 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff);
492 udelay(5000);
493
494 bVal = inb(ALI_REG(codec,ALI_SCTRL));
495 bVal |= 0x02;
496 outb(ALI_REG(codec,ALI_SCTRL),bVal);
497 udelay(5000);
498 bVal = inb(ALI_REG(codec,ALI_SCTRL));
499 bVal &= 0xfd;
500 outb(ALI_REG(codec,ALI_SCTRL),bVal);
501 udelay(15000);
502
503 wCount = 200;
504 while (wCount--) {
505 wReg = snd_ali_codec_read(codec->ac97, AC97_POWERDOWN);
506 if ((wReg & 0x000f) == 0x000f)
507 return 0;
508 udelay(5000);
509 }
510 return -1;
511 }
512
513 #endif
514
515 /*
516 * ALI 5451 Controller
517 */
518
519 static void snd_ali_enable_special_channel(struct snd_ali *codec,
520 unsigned int channel)
521 {
522 unsigned long dwVal;
523
524 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
525 dwVal |= 1 << (channel & 0x0000001f);
526 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
527 }
528
529 static void snd_ali_disable_special_channel(struct snd_ali *codec,
530 unsigned int channel)
531 {
532 unsigned long dwVal;
533
534 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
535 dwVal &= ~(1 << (channel & 0x0000001f));
536 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
537 }
538
539 static void snd_ali_enable_address_interrupt(struct snd_ali *codec)
540 {
541 unsigned int gc;
542
543 gc = inl(ALI_REG(codec, ALI_GC_CIR));
544 gc |= ENDLP_IE;
545 gc |= MIDLP_IE;
546 outl( gc, ALI_REG(codec, ALI_GC_CIR));
547 }
548
549 static void snd_ali_disable_address_interrupt(struct snd_ali *codec)
550 {
551 unsigned int gc;
552
553 gc = inl(ALI_REG(codec, ALI_GC_CIR));
554 gc &= ~ENDLP_IE;
555 gc &= ~MIDLP_IE;
556 outl(gc, ALI_REG(codec, ALI_GC_CIR));
557 }
558
559 #if 0 /* not used */
560 static void snd_ali_enable_voice_irq(struct snd_ali *codec,
561 unsigned int channel)
562 {
563 unsigned int mask;
564 struct snd_ali_channel_control *pchregs = &(codec->chregs);
565
566 snd_ali_printk("enable_voice_irq channel=%d\n",channel);
567
568 mask = 1 << (channel & 0x1f);
569 pchregs->data.ainten = inl(ALI_REG(codec, pchregs->regs.ainten));
570 pchregs->data.ainten |= mask;
571 outl(pchregs->data.ainten, ALI_REG(codec, pchregs->regs.ainten));
572 }
573 #endif
574
575 static void snd_ali_disable_voice_irq(struct snd_ali *codec,
576 unsigned int channel)
577 {
578 unsigned int mask;
579 struct snd_ali_channel_control *pchregs = &(codec->chregs);
580
581 snd_ali_printk("disable_voice_irq channel=%d\n",channel);
582
583 mask = 1 << (channel & 0x1f);
584 pchregs->data.ainten = inl(ALI_REG(codec, pchregs->regs.ainten));
585 pchregs->data.ainten &= ~mask;
586 outl(pchregs->data.ainten, ALI_REG(codec, pchregs->regs.ainten));
587 }
588
589 static int snd_ali_alloc_pcm_channel(struct snd_ali *codec, int channel)
590 {
591 unsigned int idx = channel & 0x1f;
592
593 if (codec->synth.chcnt >= ALI_CHANNELS){
594 snd_printk(KERN_ERR
595 "ali_alloc_pcm_channel: no free channels.\n");
596 return -1;
597 }
598
599 if (!(codec->synth.chmap & (1 << idx))) {
600 codec->synth.chmap |= 1 << idx;
601 codec->synth.chcnt++;
602 snd_ali_printk("alloc_pcm_channel no. %d.\n",idx);
603 return idx;
604 }
605 return -1;
606 }
607
608 static int snd_ali_find_free_channel(struct snd_ali * codec, int rec)
609 {
610 int idx;
611 int result = -1;
612
613 snd_ali_printk("find_free_channel: for %s\n",rec ? "rec" : "pcm");
614
615 /* recording */
616 if (rec) {
617 if (codec->spdif_support &&
618 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
619 ALI_SPDIF_IN_SUPPORT))
620 idx = ALI_SPDIF_IN_CHANNEL;
621 else
622 idx = ALI_PCM_IN_CHANNEL;
623
624 result = snd_ali_alloc_pcm_channel(codec, idx);
625 if (result >= 0)
626 return result;
627 else {
628 snd_printk(KERN_ERR "ali_find_free_channel: "
629 "record channel is busy now.\n");
630 return -1;
631 }
632 }
633
634 /* playback... */
635 if (codec->spdif_support &&
636 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
637 ALI_SPDIF_OUT_CH_ENABLE)) {
638 idx = ALI_SPDIF_OUT_CHANNEL;
639 result = snd_ali_alloc_pcm_channel(codec, idx);
640 if (result >= 0)
641 return result;
642 else
643 snd_printk(KERN_ERR "ali_find_free_channel: "
644 "S/PDIF out channel is in busy now.\n");
645 }
646
647 for (idx = 0; idx < ALI_CHANNELS; idx++) {
648 result = snd_ali_alloc_pcm_channel(codec, idx);
649 if (result >= 0)
650 return result;
651 }
652 snd_printk(KERN_ERR "ali_find_free_channel: no free channels.\n");
653 return -1;
654 }
655
656 static void snd_ali_free_channel_pcm(struct snd_ali *codec, int channel)
657 {
658 unsigned int idx = channel & 0x0000001f;
659
660 snd_ali_printk("free_channel_pcm channel=%d\n",channel);
661
662 if (channel < 0 || channel >= ALI_CHANNELS)
663 return;
664
665 if (!(codec->synth.chmap & (1 << idx))) {
666 snd_printk(KERN_ERR "ali_free_channel_pcm: "
667 "channel %d is not in use.\n", channel);
668 return;
669 } else {
670 codec->synth.chmap &= ~(1 << idx);
671 codec->synth.chcnt--;
672 }
673 }
674
675 #if 0 /* not used */
676 static void snd_ali_start_voice(struct snd_ali *codec, unsigned int channel)
677 {
678 unsigned int mask = 1 << (channel & 0x1f);
679
680 snd_ali_printk("start_voice: channel=%d\n",channel);
681 outl(mask, ALI_REG(codec,codec->chregs.regs.start));
682 }
683 #endif
684
685 static void snd_ali_stop_voice(struct snd_ali *codec, unsigned int channel)
686 {
687 unsigned int mask = 1 << (channel & 0x1f);
688
689 snd_ali_printk("stop_voice: channel=%d\n",channel);
690 outl(mask, ALI_REG(codec, codec->chregs.regs.stop));
691 }
692
693 /*
694 * S/PDIF Part
695 */
696
697 static void snd_ali_delay(struct snd_ali *codec,int interval)
698 {
699 unsigned long begintimer,currenttimer;
700
701 begintimer = inl(ALI_REG(codec, ALI_STIMER));
702 currenttimer = inl(ALI_REG(codec, ALI_STIMER));
703
704 while (currenttimer < begintimer + interval) {
705 if (snd_ali_stimer_ready(codec) < 0)
706 break;
707 currenttimer = inl(ALI_REG(codec, ALI_STIMER));
708 cpu_relax();
709 }
710 }
711
712 static void snd_ali_detect_spdif_rate(struct snd_ali *codec)
713 {
714 u16 wval;
715 u16 count = 0;
716 u8 bval, R1 = 0, R2;
717
718 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1));
719 bval |= 0x1F;
720 outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL + 1));
721
722 while ((R1 < 0x0b || R1 > 0x0e) && R1 != 0x12 && count <= 50000) {
723 count ++;
724 snd_ali_delay(codec, 6);
725 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1));
726 R1 = bval & 0x1F;
727 }
728
729 if (count > 50000) {
730 snd_printk(KERN_ERR "ali_detect_spdif_rate: timeout!\n");
731 return;
732 }
733
734 count = 0;
735 while (count++ <= 50000) {
736 snd_ali_delay(codec, 6);
737 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1));
738 R2 = bval & 0x1F;
739 if (R2 != R1)
740 R1 = R2;
741 else
742 break;
743 }
744
745 if (count > 50000) {
746 snd_printk(KERN_ERR "ali_detect_spdif_rate: timeout!\n");
747 return;
748 }
749
750 if (R2 >= 0x0b && R2 <= 0x0e) {
751 wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2));
752 wval &= 0xe0f0;
753 wval |= (0x09 << 8) | 0x05;
754 outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2));
755
756 bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3)) & 0xf0;
757 outb(bval | 0x02, ALI_REG(codec, ALI_SPDIF_CS + 3));
758 } else if (R2 == 0x12) {
759 wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2));
760 wval &= 0xe0f0;
761 wval |= (0x0e << 8) | 0x08;
762 outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2));
763
764 bval = inb(ALI_REG(codec,ALI_SPDIF_CS + 3)) & 0xf0;
765 outb(bval | 0x03, ALI_REG(codec, ALI_SPDIF_CS + 3));
766 }
767 }
768
769 static unsigned int snd_ali_get_spdif_in_rate(struct snd_ali *codec)
770 {
771 u32 dwRate;
772 u8 bval;
773
774 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
775 bval &= 0x7f;
776 bval |= 0x40;
777 outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL));
778
779 snd_ali_detect_spdif_rate(codec);
780
781 bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3));
782 bval &= 0x0f;
783
784 switch (bval) {
785 case 0: dwRate = 44100; break;
786 case 1: dwRate = 48000; break;
787 case 2: dwRate = 32000; break;
788 default: dwRate = 0; break;
789 }
790
791 return dwRate;
792 }
793
794 static void snd_ali_enable_spdif_in(struct snd_ali *codec)
795 {
796 unsigned int dwVal;
797
798 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
799 dwVal |= ALI_SPDIF_IN_SUPPORT;
800 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
801
802 dwVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
803 dwVal |= 0x02;
804 outb(dwVal, ALI_REG(codec, ALI_SPDIF_CTRL));
805
806 snd_ali_enable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
807 }
808
809 static void snd_ali_disable_spdif_in(struct snd_ali *codec)
810 {
811 unsigned int dwVal;
812
813 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
814 dwVal &= ~ALI_SPDIF_IN_SUPPORT;
815 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
816
817 snd_ali_disable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
818 }
819
820
821 static void snd_ali_set_spdif_out_rate(struct snd_ali *codec, unsigned int rate)
822 {
823 unsigned char bVal;
824 unsigned int dwRate;
825
826 switch (rate) {
827 case 32000: dwRate = 0x300; break;
828 case 48000: dwRate = 0x200; break;
829 default: dwRate = 0; break;
830 }
831
832 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
833 bVal &= (unsigned char)(~(1<<6));
834
835 bVal |= 0x80; /* select right */
836 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
837 outb(dwRate | 0x20, ALI_REG(codec, ALI_SPDIF_CS + 2));
838
839 bVal &= ~0x80; /* select left */
840 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
841 outw(rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2));
842 }
843
844 static void snd_ali_enable_spdif_out(struct snd_ali *codec)
845 {
846 unsigned short wVal;
847 unsigned char bVal;
848 struct pci_dev *pci_dev;
849
850 pci_dev = codec->pci_m1533;
851 if (pci_dev == NULL)
852 return;
853 pci_read_config_byte(pci_dev, 0x61, &bVal);
854 bVal |= 0x40;
855 pci_write_config_byte(pci_dev, 0x61, bVal);
856 pci_read_config_byte(pci_dev, 0x7d, &bVal);
857 bVal |= 0x01;
858 pci_write_config_byte(pci_dev, 0x7d, bVal);
859
860 pci_read_config_byte(pci_dev, 0x7e, &bVal);
861 bVal &= (~0x20);
862 bVal |= 0x10;
863 pci_write_config_byte(pci_dev, 0x7e, bVal);
864
865 bVal = inb(ALI_REG(codec, ALI_SCTRL));
866 outb(bVal | ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
867
868 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
869 outb(bVal & ALI_SPDIF_OUT_CH_STATUS, ALI_REG(codec, ALI_SPDIF_CTRL));
870
871 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
872 wVal |= ALI_SPDIF_OUT_SEL_PCM;
873 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
874 snd_ali_disable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
875 }
876
877 static void snd_ali_enable_spdif_chnout(struct snd_ali *codec)
878 {
879 unsigned short wVal;
880
881 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
882 wVal &= ~ALI_SPDIF_OUT_SEL_PCM;
883 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
884 /*
885 wVal = inw(ALI_REG(codec, ALI_SPDIF_CS));
886 if (flag & ALI_SPDIF_OUT_NON_PCM)
887 wVal |= 0x0002;
888 else
889 wVal &= (~0x0002);
890 outw(wVal, ALI_REG(codec, ALI_SPDIF_CS));
891 */
892 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
893 }
894
895 static void snd_ali_disable_spdif_chnout(struct snd_ali *codec)
896 {
897 unsigned short wVal;
898
899 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
900 wVal |= ALI_SPDIF_OUT_SEL_PCM;
901 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
902
903 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
904 }
905
906 static void snd_ali_disable_spdif_out(struct snd_ali *codec)
907 {
908 unsigned char bVal;
909
910 bVal = inb(ALI_REG(codec, ALI_SCTRL));
911 outb(bVal & ~ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
912
913 snd_ali_disable_spdif_chnout(codec);
914 }
915
916 static void snd_ali_update_ptr(struct snd_ali *codec, int channel)
917 {
918 struct snd_ali_voice *pvoice;
919 struct snd_pcm_runtime *runtime;
920 struct snd_ali_channel_control *pchregs;
921 unsigned int old, mask;
922 #ifdef ALI_DEBUG
923 unsigned int temp, cspf;
924 #endif
925
926 pchregs = &(codec->chregs);
927
928 /* check if interrupt occurred for channel */
929 old = pchregs->data.aint;
930 mask = 1U << (channel & 0x1f);
931
932 if (!(old & mask))
933 return;
934
935 pvoice = &codec->synth.voices[channel];
936 runtime = pvoice->substream->runtime;
937
938 udelay(100);
939 spin_lock(&codec->reg_lock);
940
941 if (pvoice->pcm && pvoice->substream) {
942 /* pcm interrupt */
943 #ifdef ALI_DEBUG
944 outb((u8)(pvoice->number), ALI_REG(codec, ALI_GC_CIR));
945 temp = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
946 cspf = (inl(ALI_REG(codec, ALI_CSPF)) & mask) == mask;
947 #endif
948 if (pvoice->running) {
949 snd_ali_printk("update_ptr: cso=%4.4x cspf=%d.\n",
950 (u16)temp, cspf);
951 spin_unlock(&codec->reg_lock);
952 snd_pcm_period_elapsed(pvoice->substream);
953 spin_lock(&codec->reg_lock);
954 } else {
955 snd_ali_stop_voice(codec, channel);
956 snd_ali_disable_voice_irq(codec, channel);
957 }
958 } else if (codec->synth.voices[channel].synth) {
959 /* synth interrupt */
960 } else if (codec->synth.voices[channel].midi) {
961 /* midi interrupt */
962 } else {
963 /* unknown interrupt */
964 snd_ali_stop_voice(codec, channel);
965 snd_ali_disable_voice_irq(codec, channel);
966 }
967 spin_unlock(&codec->reg_lock);
968 outl(mask,ALI_REG(codec,pchregs->regs.aint));
969 pchregs->data.aint = old & (~mask);
970 }
971
972 static irqreturn_t snd_ali_card_interrupt(int irq, void *dev_id)
973 {
974 struct snd_ali *codec = dev_id;
975 int channel;
976 unsigned int audio_int;
977 struct snd_ali_channel_control *pchregs;
978
979 if (codec == NULL || !codec->hw_initialized)
980 return IRQ_NONE;
981
982 audio_int = inl(ALI_REG(codec, ALI_MISCINT));
983 if (!audio_int)
984 return IRQ_NONE;
985
986 pchregs = &(codec->chregs);
987 if (audio_int & ADDRESS_IRQ) {
988 /* get interrupt status for all channels */
989 pchregs->data.aint = inl(ALI_REG(codec, pchregs->regs.aint));
990 for (channel = 0; channel < ALI_CHANNELS; channel++)
991 snd_ali_update_ptr(codec, channel);
992 }
993 outl((TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW),
994 ALI_REG(codec, ALI_MISCINT));
995
996 return IRQ_HANDLED;
997 }
998
999
1000 static struct snd_ali_voice *snd_ali_alloc_voice(struct snd_ali * codec,
1001 int type, int rec, int channel)
1002 {
1003 struct snd_ali_voice *pvoice;
1004 int idx;
1005
1006 snd_ali_printk("alloc_voice: type=%d rec=%d\n", type, rec);
1007
1008 spin_lock_irq(&codec->voice_alloc);
1009 if (type == SNDRV_ALI_VOICE_TYPE_PCM) {
1010 idx = channel > 0 ? snd_ali_alloc_pcm_channel(codec, channel) :
1011 snd_ali_find_free_channel(codec,rec);
1012 if (idx < 0) {
1013 snd_printk(KERN_ERR "ali_alloc_voice: err.\n");
1014 spin_unlock_irq(&codec->voice_alloc);
1015 return NULL;
1016 }
1017 pvoice = &(codec->synth.voices[idx]);
1018 pvoice->codec = codec;
1019 pvoice->use = 1;
1020 pvoice->pcm = 1;
1021 pvoice->mode = rec;
1022 spin_unlock_irq(&codec->voice_alloc);
1023 return pvoice;
1024 }
1025 spin_unlock_irq(&codec->voice_alloc);
1026 return NULL;
1027 }
1028
1029
1030 static void snd_ali_free_voice(struct snd_ali * codec,
1031 struct snd_ali_voice *pvoice)
1032 {
1033 void (*private_free)(void *);
1034 void *private_data;
1035
1036 snd_ali_printk("free_voice: channel=%d\n",pvoice->number);
1037 if (pvoice == NULL || !pvoice->use)
1038 return;
1039 snd_ali_clear_voices(codec, pvoice->number, pvoice->number);
1040 spin_lock_irq(&codec->voice_alloc);
1041 private_free = pvoice->private_free;
1042 private_data = pvoice->private_data;
1043 pvoice->private_free = NULL;
1044 pvoice->private_data = NULL;
1045 if (pvoice->pcm)
1046 snd_ali_free_channel_pcm(codec, pvoice->number);
1047 pvoice->use = pvoice->pcm = pvoice->synth = 0;
1048 pvoice->substream = NULL;
1049 spin_unlock_irq(&codec->voice_alloc);
1050 if (private_free)
1051 private_free(private_data);
1052 }
1053
1054
1055 static void snd_ali_clear_voices(struct snd_ali *codec,
1056 unsigned int v_min,
1057 unsigned int v_max)
1058 {
1059 unsigned int i;
1060
1061 for (i = v_min; i <= v_max; i++) {
1062 snd_ali_stop_voice(codec, i);
1063 snd_ali_disable_voice_irq(codec, i);
1064 }
1065 }
1066
1067 static void snd_ali_write_voice_regs(struct snd_ali *codec,
1068 unsigned int Channel,
1069 unsigned int LBA,
1070 unsigned int CSO,
1071 unsigned int ESO,
1072 unsigned int DELTA,
1073 unsigned int ALPHA_FMS,
1074 unsigned int GVSEL,
1075 unsigned int PAN,
1076 unsigned int VOL,
1077 unsigned int CTRL,
1078 unsigned int EC)
1079 {
1080 unsigned int ctlcmds[4];
1081
1082 outb((unsigned char)(Channel & 0x001f), ALI_REG(codec, ALI_GC_CIR));
1083
1084 ctlcmds[0] = (CSO << 16) | (ALPHA_FMS & 0x0000ffff);
1085 ctlcmds[1] = LBA;
1086 ctlcmds[2] = (ESO << 16) | (DELTA & 0x0ffff);
1087 ctlcmds[3] = (GVSEL << 31) |
1088 ((PAN & 0x0000007f) << 24) |
1089 ((VOL & 0x000000ff) << 16) |
1090 ((CTRL & 0x0000000f) << 12) |
1091 (EC & 0x00000fff);
1092
1093 outb(Channel, ALI_REG(codec, ALI_GC_CIR));
1094
1095 outl(ctlcmds[0], ALI_REG(codec, ALI_CSO_ALPHA_FMS));
1096 outl(ctlcmds[1], ALI_REG(codec, ALI_LBA));
1097 outl(ctlcmds[2], ALI_REG(codec, ALI_ESO_DELTA));
1098 outl(ctlcmds[3], ALI_REG(codec, ALI_GVSEL_PAN_VOC_CTRL_EC));
1099
1100 outl(0x30000000, ALI_REG(codec, ALI_EBUF1)); /* Still Mode */
1101 outl(0x30000000, ALI_REG(codec, ALI_EBUF2)); /* Still Mode */
1102 }
1103
1104 static unsigned int snd_ali_convert_rate(unsigned int rate, int rec)
1105 {
1106 unsigned int delta;
1107
1108 if (rate < 4000)
1109 rate = 4000;
1110 if (rate > 48000)
1111 rate = 48000;
1112
1113 if (rec) {
1114 if (rate == 44100)
1115 delta = 0x116a;
1116 else if (rate == 8000)
1117 delta = 0x6000;
1118 else if (rate == 48000)
1119 delta = 0x1000;
1120 else
1121 delta = ((48000 << 12) / rate) & 0x0000ffff;
1122 } else {
1123 if (rate == 44100)
1124 delta = 0xeb3;
1125 else if (rate == 8000)
1126 delta = 0x2ab;
1127 else if (rate == 48000)
1128 delta = 0x1000;
1129 else
1130 delta = (((rate << 12) + rate) / 48000) & 0x0000ffff;
1131 }
1132
1133 return delta;
1134 }
1135
1136 static unsigned int snd_ali_control_mode(struct snd_pcm_substream *substream)
1137 {
1138 unsigned int CTRL;
1139 struct snd_pcm_runtime *runtime = substream->runtime;
1140
1141 /* set ctrl mode
1142 CTRL default: 8-bit (unsigned) mono, loop mode enabled
1143 */
1144 CTRL = 0x00000001;
1145 if (snd_pcm_format_width(runtime->format) == 16)
1146 CTRL |= 0x00000008; /* 16-bit data */
1147 if (!snd_pcm_format_unsigned(runtime->format))
1148 CTRL |= 0x00000002; /* signed data */
1149 if (runtime->channels > 1)
1150 CTRL |= 0x00000004; /* stereo data */
1151 return CTRL;
1152 }
1153
1154 /*
1155 * PCM part
1156 */
1157
1158 static int snd_ali_trigger(struct snd_pcm_substream *substream,
1159 int cmd)
1160
1161 {
1162 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1163 struct snd_pcm_substream *s;
1164 unsigned int what, whati, capture_flag;
1165 struct snd_ali_voice *pvoice, *evoice;
1166 unsigned int val;
1167 int do_start;
1168
1169 switch (cmd) {
1170 case SNDRV_PCM_TRIGGER_START:
1171 case SNDRV_PCM_TRIGGER_RESUME:
1172 do_start = 1;
1173 break;
1174 case SNDRV_PCM_TRIGGER_STOP:
1175 case SNDRV_PCM_TRIGGER_SUSPEND:
1176 do_start = 0;
1177 break;
1178 default:
1179 return -EINVAL;
1180 }
1181
1182 what = whati = capture_flag = 0;
1183 snd_pcm_group_for_each_entry(s, substream) {
1184 if ((struct snd_ali *) snd_pcm_substream_chip(s) == codec) {
1185 pvoice = s->runtime->private_data;
1186 evoice = pvoice->extra;
1187 what |= 1 << (pvoice->number & 0x1f);
1188 if (evoice == NULL)
1189 whati |= 1 << (pvoice->number & 0x1f);
1190 else {
1191 whati |= 1 << (evoice->number & 0x1f);
1192 what |= 1 << (evoice->number & 0x1f);
1193 }
1194 if (do_start) {
1195 pvoice->running = 1;
1196 if (evoice != NULL)
1197 evoice->running = 1;
1198 } else {
1199 pvoice->running = 0;
1200 if (evoice != NULL)
1201 evoice->running = 0;
1202 }
1203 snd_pcm_trigger_done(s, substream);
1204 if (pvoice->mode)
1205 capture_flag = 1;
1206 }
1207 }
1208 spin_lock(&codec->reg_lock);
1209 if (!do_start)
1210 outl(what, ALI_REG(codec, ALI_STOP));
1211 val = inl(ALI_REG(codec, ALI_AINTEN));
1212 if (do_start)
1213 val |= whati;
1214 else
1215 val &= ~whati;
1216 outl(val, ALI_REG(codec, ALI_AINTEN));
1217 if (do_start)
1218 outl(what, ALI_REG(codec, ALI_START));
1219 snd_ali_printk("trigger: what=%xh whati=%xh\n", what, whati);
1220 spin_unlock(&codec->reg_lock);
1221
1222 return 0;
1223 }
1224
1225 static int snd_ali_playback_hw_params(struct snd_pcm_substream *substream,
1226 struct snd_pcm_hw_params *hw_params)
1227 {
1228 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1229 struct snd_pcm_runtime *runtime = substream->runtime;
1230 struct snd_ali_voice *pvoice = runtime->private_data;
1231 struct snd_ali_voice *evoice = pvoice->extra;
1232 int err;
1233
1234 err = snd_pcm_lib_malloc_pages(substream,
1235 params_buffer_bytes(hw_params));
1236 if (err < 0)
1237 return err;
1238
1239 /* voice management */
1240
1241 if (params_buffer_size(hw_params) / 2 !=
1242 params_period_size(hw_params)) {
1243 if (!evoice) {
1244 evoice = snd_ali_alloc_voice(codec,
1245 SNDRV_ALI_VOICE_TYPE_PCM,
1246 0, -1);
1247 if (!evoice)
1248 return -ENOMEM;
1249 pvoice->extra = evoice;
1250 evoice->substream = substream;
1251 }
1252 } else {
1253 if (!evoice) {
1254 snd_ali_free_voice(codec, evoice);
1255 pvoice->extra = evoice = NULL;
1256 }
1257 }
1258
1259 return 0;
1260 }
1261
1262 static int snd_ali_playback_hw_free(struct snd_pcm_substream *substream)
1263 {
1264 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1265 struct snd_pcm_runtime *runtime = substream->runtime;
1266 struct snd_ali_voice *pvoice = runtime->private_data;
1267 struct snd_ali_voice *evoice = pvoice ? pvoice->extra : NULL;
1268
1269 snd_pcm_lib_free_pages(substream);
1270 if (!evoice) {
1271 snd_ali_free_voice(codec, evoice);
1272 pvoice->extra = NULL;
1273 }
1274 return 0;
1275 }
1276
1277 static int snd_ali_hw_params(struct snd_pcm_substream *substream,
1278 struct snd_pcm_hw_params *hw_params)
1279 {
1280 return snd_pcm_lib_malloc_pages(substream,
1281 params_buffer_bytes(hw_params));
1282 }
1283
1284 static int snd_ali_hw_free(struct snd_pcm_substream *substream)
1285 {
1286 return snd_pcm_lib_free_pages(substream);
1287 }
1288
1289 static int snd_ali_playback_prepare(struct snd_pcm_substream *substream)
1290 {
1291 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1292 struct snd_pcm_runtime *runtime = substream->runtime;
1293 struct snd_ali_voice *pvoice = runtime->private_data;
1294 struct snd_ali_voice *evoice = pvoice->extra;
1295
1296 unsigned int LBA;
1297 unsigned int Delta;
1298 unsigned int ESO;
1299 unsigned int CTRL;
1300 unsigned int GVSEL;
1301 unsigned int PAN;
1302 unsigned int VOL;
1303 unsigned int EC;
1304
1305 snd_ali_printk("playback_prepare ...\n");
1306
1307 spin_lock_irq(&codec->reg_lock);
1308
1309 /* set Delta (rate) value */
1310 Delta = snd_ali_convert_rate(runtime->rate, 0);
1311
1312 if (pvoice->number == ALI_SPDIF_IN_CHANNEL ||
1313 pvoice->number == ALI_PCM_IN_CHANNEL)
1314 snd_ali_disable_special_channel(codec, pvoice->number);
1315 else if (codec->spdif_support &&
1316 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
1317 ALI_SPDIF_OUT_CH_ENABLE)
1318 && pvoice->number == ALI_SPDIF_OUT_CHANNEL) {
1319 snd_ali_set_spdif_out_rate(codec, runtime->rate);
1320 Delta = 0x1000;
1321 }
1322
1323 /* set Loop Back Address */
1324 LBA = runtime->dma_addr;
1325
1326 /* set interrupt count size */
1327 pvoice->count = runtime->period_size;
1328
1329 /* set target ESO for channel */
1330 pvoice->eso = runtime->buffer_size;
1331
1332 snd_ali_printk("playback_prepare: eso=%xh count=%xh\n",
1333 pvoice->eso, pvoice->count);
1334
1335 /* set ESO to capture first MIDLP interrupt */
1336 ESO = pvoice->eso -1;
1337 /* set ctrl mode */
1338 CTRL = snd_ali_control_mode(substream);
1339
1340 GVSEL = 1;
1341 PAN = 0;
1342 VOL = 0;
1343 EC = 0;
1344 snd_ali_printk("playback_prepare:\n");
1345 snd_ali_printk("ch=%d, Rate=%d Delta=%xh,GVSEL=%xh,PAN=%xh,CTRL=%xh\n",
1346 pvoice->number,runtime->rate,Delta,GVSEL,PAN,CTRL);
1347 snd_ali_write_voice_regs(codec,
1348 pvoice->number,
1349 LBA,
1350 0, /* cso */
1351 ESO,
1352 Delta,
1353 0, /* alpha */
1354 GVSEL,
1355 PAN,
1356 VOL,
1357 CTRL,
1358 EC);
1359 if (!evoice) {
1360 evoice->count = pvoice->count;
1361 evoice->eso = pvoice->count << 1;
1362 ESO = evoice->eso - 1;
1363 snd_ali_write_voice_regs(codec,
1364 evoice->number,
1365 LBA,
1366 0, /* cso */
1367 ESO,
1368 Delta,
1369 0, /* alpha */
1370 GVSEL,
1371 0x7f,
1372 0x3ff,
1373 CTRL,
1374 EC);
1375 }
1376 spin_unlock_irq(&codec->reg_lock);
1377 return 0;
1378 }
1379
1380
1381 static int snd_ali_prepare(struct snd_pcm_substream *substream)
1382 {
1383 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1384 struct snd_pcm_runtime *runtime = substream->runtime;
1385 struct snd_ali_voice *pvoice = runtime->private_data;
1386 unsigned int LBA;
1387 unsigned int Delta;
1388 unsigned int ESO;
1389 unsigned int CTRL;
1390 unsigned int GVSEL;
1391 unsigned int PAN;
1392 unsigned int VOL;
1393 unsigned int EC;
1394 u8 bValue;
1395
1396 spin_lock_irq(&codec->reg_lock);
1397
1398 snd_ali_printk("ali_prepare...\n");
1399
1400 snd_ali_enable_special_channel(codec,pvoice->number);
1401
1402 Delta = (pvoice->number == ALI_MODEM_IN_CHANNEL ||
1403 pvoice->number == ALI_MODEM_OUT_CHANNEL) ?
1404 0x1000 : snd_ali_convert_rate(runtime->rate, pvoice->mode);
1405
1406 /* Prepare capture intr channel */
1407 if (pvoice->number == ALI_SPDIF_IN_CHANNEL) {
1408
1409 unsigned int rate;
1410
1411 spin_unlock_irq(&codec->reg_lock);
1412 if (codec->revision != ALI_5451_V02)
1413 return -1;
1414
1415 rate = snd_ali_get_spdif_in_rate(codec);
1416 if (rate == 0) {
1417 snd_printk(KERN_WARNING "ali_capture_preapre: "
1418 "spdif rate detect err!\n");
1419 rate = 48000;
1420 }
1421 spin_lock_irq(&codec->reg_lock);
1422 bValue = inb(ALI_REG(codec,ALI_SPDIF_CTRL));
1423 if (bValue & 0x10) {
1424 outb(bValue,ALI_REG(codec,ALI_SPDIF_CTRL));
1425 printk(KERN_WARNING "clear SPDIF parity error flag.\n");
1426 }
1427
1428 if (rate != 48000)
1429 Delta = ((rate << 12) / runtime->rate) & 0x00ffff;
1430 }
1431
1432 /* set target ESO for channel */
1433 pvoice->eso = runtime->buffer_size;
1434
1435 /* set interrupt count size */
1436 pvoice->count = runtime->period_size;
1437
1438 /* set Loop Back Address */
1439 LBA = runtime->dma_addr;
1440
1441 /* set ESO to capture first MIDLP interrupt */
1442 ESO = pvoice->eso - 1;
1443 CTRL = snd_ali_control_mode(substream);
1444 GVSEL = 0;
1445 PAN = 0x00;
1446 VOL = 0x00;
1447 EC = 0;
1448
1449 snd_ali_write_voice_regs( codec,
1450 pvoice->number,
1451 LBA,
1452 0, /* cso */
1453 ESO,
1454 Delta,
1455 0, /* alpha */
1456 GVSEL,
1457 PAN,
1458 VOL,
1459 CTRL,
1460 EC);
1461
1462 spin_unlock_irq(&codec->reg_lock);
1463
1464 return 0;
1465 }
1466
1467
1468 static snd_pcm_uframes_t
1469 snd_ali_playback_pointer(struct snd_pcm_substream *substream)
1470 {
1471 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1472 struct snd_pcm_runtime *runtime = substream->runtime;
1473 struct snd_ali_voice *pvoice = runtime->private_data;
1474 unsigned int cso;
1475
1476 spin_lock(&codec->reg_lock);
1477 if (!pvoice->running) {
1478 spin_unlock(&codec->reg_lock);
1479 return 0;
1480 }
1481 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1482 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1483 spin_unlock(&codec->reg_lock);
1484 snd_ali_printk("playback pointer returned cso=%xh.\n", cso);
1485
1486 return cso;
1487 }
1488
1489
1490 static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream)
1491 {
1492 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1493 struct snd_pcm_runtime *runtime = substream->runtime;
1494 struct snd_ali_voice *pvoice = runtime->private_data;
1495 unsigned int cso;
1496
1497 spin_lock(&codec->reg_lock);
1498 if (!pvoice->running) {
1499 spin_unlock_irq(&codec->reg_lock);
1500 return 0;
1501 }
1502 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1503 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1504 spin_unlock(&codec->reg_lock);
1505
1506 return cso;
1507 }
1508
1509 static struct snd_pcm_hardware snd_ali_playback =
1510 {
1511 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1512 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1513 SNDRV_PCM_INFO_MMAP_VALID |
1514 SNDRV_PCM_INFO_RESUME |
1515 SNDRV_PCM_INFO_SYNC_START),
1516 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1517 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1518 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1519 .rate_min = 4000,
1520 .rate_max = 48000,
1521 .channels_min = 1,
1522 .channels_max = 2,
1523 .buffer_bytes_max = (256*1024),
1524 .period_bytes_min = 64,
1525 .period_bytes_max = (256*1024),
1526 .periods_min = 1,
1527 .periods_max = 1024,
1528 .fifo_size = 0,
1529 };
1530
1531 /*
1532 * Capture support device description
1533 */
1534
1535 static struct snd_pcm_hardware snd_ali_capture =
1536 {
1537 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1538 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1539 SNDRV_PCM_INFO_MMAP_VALID |
1540 SNDRV_PCM_INFO_RESUME |
1541 SNDRV_PCM_INFO_SYNC_START),
1542 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1543 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1544 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1545 .rate_min = 4000,
1546 .rate_max = 48000,
1547 .channels_min = 1,
1548 .channels_max = 2,
1549 .buffer_bytes_max = (128*1024),
1550 .period_bytes_min = 64,
1551 .period_bytes_max = (128*1024),
1552 .periods_min = 1,
1553 .periods_max = 1024,
1554 .fifo_size = 0,
1555 };
1556
1557 static void snd_ali_pcm_free_substream(struct snd_pcm_runtime *runtime)
1558 {
1559 struct snd_ali_voice *pvoice = runtime->private_data;
1560 struct snd_ali *codec;
1561
1562 if (pvoice) {
1563 codec = pvoice->codec;
1564 snd_ali_free_voice(pvoice->codec, pvoice);
1565 }
1566 }
1567
1568 static int snd_ali_open(struct snd_pcm_substream *substream, int rec,
1569 int channel, struct snd_pcm_hardware *phw)
1570 {
1571 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1572 struct snd_pcm_runtime *runtime = substream->runtime;
1573 struct snd_ali_voice *pvoice;
1574
1575 pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, rec,
1576 channel);
1577 if (!pvoice)
1578 return -EAGAIN;
1579
1580 pvoice->substream = substream;
1581 runtime->private_data = pvoice;
1582 runtime->private_free = snd_ali_pcm_free_substream;
1583
1584 runtime->hw = *phw;
1585 snd_pcm_set_sync(substream);
1586 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
1587 0, 64*1024);
1588 return 0;
1589 }
1590
1591 static int snd_ali_playback_open(struct snd_pcm_substream *substream)
1592 {
1593 return snd_ali_open(substream, 0, -1, &snd_ali_playback);
1594 }
1595
1596 static int snd_ali_capture_open(struct snd_pcm_substream *substream)
1597 {
1598 return snd_ali_open(substream, 1, -1, &snd_ali_capture);
1599 }
1600
1601 static int snd_ali_playback_close(struct snd_pcm_substream *substream)
1602 {
1603 return 0;
1604 }
1605
1606 static int snd_ali_close(struct snd_pcm_substream *substream)
1607 {
1608 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1609 struct snd_ali_voice *pvoice = substream->runtime->private_data;
1610
1611 snd_ali_disable_special_channel(codec,pvoice->number);
1612
1613 return 0;
1614 }
1615
1616 static struct snd_pcm_ops snd_ali_playback_ops = {
1617 .open = snd_ali_playback_open,
1618 .close = snd_ali_playback_close,
1619 .ioctl = snd_pcm_lib_ioctl,
1620 .hw_params = snd_ali_playback_hw_params,
1621 .hw_free = snd_ali_playback_hw_free,
1622 .prepare = snd_ali_playback_prepare,
1623 .trigger = snd_ali_trigger,
1624 .pointer = snd_ali_playback_pointer,
1625 };
1626
1627 static struct snd_pcm_ops snd_ali_capture_ops = {
1628 .open = snd_ali_capture_open,
1629 .close = snd_ali_close,
1630 .ioctl = snd_pcm_lib_ioctl,
1631 .hw_params = snd_ali_hw_params,
1632 .hw_free = snd_ali_hw_free,
1633 .prepare = snd_ali_prepare,
1634 .trigger = snd_ali_trigger,
1635 .pointer = snd_ali_pointer,
1636 };
1637
1638 /*
1639 * Modem PCM
1640 */
1641
1642 static int snd_ali_modem_hw_params(struct snd_pcm_substream *substream,
1643 struct snd_pcm_hw_params *hw_params)
1644 {
1645 struct snd_ali *chip = snd_pcm_substream_chip(substream);
1646 unsigned int modem_num = chip->num_of_codecs - 1;
1647 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_RATE,
1648 params_rate(hw_params));
1649 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_LEVEL, 0);
1650 return snd_ali_hw_params(substream, hw_params);
1651 }
1652
1653 static struct snd_pcm_hardware snd_ali_modem =
1654 {
1655 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1656 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1657 SNDRV_PCM_INFO_MMAP_VALID |
1658 SNDRV_PCM_INFO_RESUME |
1659 SNDRV_PCM_INFO_SYNC_START),
1660 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1661 .rates = (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000 |
1662 SNDRV_PCM_RATE_16000),
1663 .rate_min = 8000,
1664 .rate_max = 16000,
1665 .channels_min = 1,
1666 .channels_max = 1,
1667 .buffer_bytes_max = (256*1024),
1668 .period_bytes_min = 64,
1669 .period_bytes_max = (256*1024),
1670 .periods_min = 1,
1671 .periods_max = 1024,
1672 .fifo_size = 0,
1673 };
1674
1675 static int snd_ali_modem_open(struct snd_pcm_substream *substream, int rec,
1676 int channel)
1677 {
1678 static unsigned int rates[] = {8000, 9600, 12000, 16000};
1679 static struct snd_pcm_hw_constraint_list hw_constraint_rates = {
1680 .count = ARRAY_SIZE(rates),
1681 .list = rates,
1682 .mask = 0,
1683 };
1684 int err = snd_ali_open(substream, rec, channel, &snd_ali_modem);
1685
1686 if (err)
1687 return err;
1688 return snd_pcm_hw_constraint_list(substream->runtime, 0,
1689 SNDRV_PCM_HW_PARAM_RATE, &hw_constraint_rates);
1690 }
1691
1692 static int snd_ali_modem_playback_open(struct snd_pcm_substream *substream)
1693 {
1694 return snd_ali_modem_open(substream, 0, ALI_MODEM_OUT_CHANNEL);
1695 }
1696
1697 static int snd_ali_modem_capture_open(struct snd_pcm_substream *substream)
1698 {
1699 return snd_ali_modem_open(substream, 1, ALI_MODEM_IN_CHANNEL);
1700 }
1701
1702 static struct snd_pcm_ops snd_ali_modem_playback_ops = {
1703 .open = snd_ali_modem_playback_open,
1704 .close = snd_ali_close,
1705 .ioctl = snd_pcm_lib_ioctl,
1706 .hw_params = snd_ali_modem_hw_params,
1707 .hw_free = snd_ali_hw_free,
1708 .prepare = snd_ali_prepare,
1709 .trigger = snd_ali_trigger,
1710 .pointer = snd_ali_pointer,
1711 };
1712
1713 static struct snd_pcm_ops snd_ali_modem_capture_ops = {
1714 .open = snd_ali_modem_capture_open,
1715 .close = snd_ali_close,
1716 .ioctl = snd_pcm_lib_ioctl,
1717 .hw_params = snd_ali_modem_hw_params,
1718 .hw_free = snd_ali_hw_free,
1719 .prepare = snd_ali_prepare,
1720 .trigger = snd_ali_trigger,
1721 .pointer = snd_ali_pointer,
1722 };
1723
1724
1725 struct ali_pcm_description {
1726 char *name;
1727 unsigned int playback_num;
1728 unsigned int capture_num;
1729 struct snd_pcm_ops *playback_ops;
1730 struct snd_pcm_ops *capture_ops;
1731 unsigned short class;
1732 };
1733
1734
1735 static void snd_ali_pcm_free(struct snd_pcm *pcm)
1736 {
1737 struct snd_ali *codec = pcm->private_data;
1738 codec->pcm[pcm->device] = NULL;
1739 }
1740
1741
1742 static int __devinit snd_ali_pcm(struct snd_ali * codec, int device,
1743 struct ali_pcm_description *desc)
1744 {
1745 struct snd_pcm *pcm;
1746 int err;
1747
1748 err = snd_pcm_new(codec->card, desc->name, device,
1749 desc->playback_num, desc->capture_num, &pcm);
1750 if (err < 0) {
1751 snd_printk(KERN_ERR "snd_ali_pcm: err called snd_pcm_new.\n");
1752 return err;
1753 }
1754 pcm->private_data = codec;
1755 pcm->private_free = snd_ali_pcm_free;
1756 if (desc->playback_ops)
1757 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1758 desc->playback_ops);
1759 if (desc->capture_ops)
1760 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1761 desc->capture_ops);
1762
1763 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1764 snd_dma_pci_data(codec->pci),
1765 64*1024, 128*1024);
1766
1767 pcm->info_flags = 0;
1768 pcm->dev_class = desc->class;
1769 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1770 strcpy(pcm->name, desc->name);
1771 codec->pcm[0] = pcm;
1772 return 0;
1773 }
1774
1775 static struct ali_pcm_description ali_pcms[] = {
1776 { .name = "ALI 5451",
1777 .playback_num = ALI_CHANNELS,
1778 .capture_num = 1,
1779 .playback_ops = &snd_ali_playback_ops,
1780 .capture_ops = &snd_ali_capture_ops
1781 },
1782 { .name = "ALI 5451 modem",
1783 .playback_num = 1,
1784 .capture_num = 1,
1785 .playback_ops = &snd_ali_modem_playback_ops,
1786 .capture_ops = &snd_ali_modem_capture_ops,
1787 .class = SNDRV_PCM_CLASS_MODEM
1788 }
1789 };
1790
1791 static int __devinit snd_ali_build_pcms(struct snd_ali *codec)
1792 {
1793 int i, err;
1794 for (i = 0; i < codec->num_of_codecs && i < ARRAY_SIZE(ali_pcms); i++) {
1795 err = snd_ali_pcm(codec, i, &ali_pcms[i]);
1796 if (err < 0)
1797 return err;
1798 }
1799 return 0;
1800 }
1801
1802
1803 #define ALI5451_SPDIF(xname, xindex, value) \
1804 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
1805 .info = snd_ali5451_spdif_info, .get = snd_ali5451_spdif_get, \
1806 .put = snd_ali5451_spdif_put, .private_value = value}
1807
1808 static int snd_ali5451_spdif_info(struct snd_kcontrol *kcontrol,
1809 struct snd_ctl_elem_info *uinfo)
1810 {
1811 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1812 uinfo->count = 1;
1813 uinfo->value.integer.min = 0;
1814 uinfo->value.integer.max = 1;
1815 return 0;
1816 }
1817
1818 static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol,
1819 struct snd_ctl_elem_value *ucontrol)
1820 {
1821 struct snd_ali *codec = kcontrol->private_data;
1822 unsigned int enable;
1823
1824 enable = ucontrol->value.integer.value[0] ? 1 : 0;
1825
1826 spin_lock_irq(&codec->reg_lock);
1827 switch (kcontrol->private_value) {
1828 case 0:
1829 enable = (codec->spdif_mask & 0x02) ? 1 : 0;
1830 break;
1831 case 1:
1832 enable = ((codec->spdif_mask & 0x02) &&
1833 (codec->spdif_mask & 0x04)) ? 1 : 0;
1834 break;
1835 case 2:
1836 enable = (codec->spdif_mask & 0x01) ? 1 : 0;
1837 break;
1838 default:
1839 break;
1840 }
1841 ucontrol->value.integer.value[0] = enable;
1842 spin_unlock_irq(&codec->reg_lock);
1843 return 0;
1844 }
1845
1846 static int snd_ali5451_spdif_put(struct snd_kcontrol *kcontrol,
1847 struct snd_ctl_elem_value *ucontrol)
1848 {
1849 struct snd_ali *codec = kcontrol->private_data;
1850 unsigned int change = 0, enable = 0;
1851
1852 enable = ucontrol->value.integer.value[0] ? 1 : 0;
1853
1854 spin_lock_irq(&codec->reg_lock);
1855 switch (kcontrol->private_value) {
1856 case 0:
1857 change = (codec->spdif_mask & 0x02) ? 1 : 0;
1858 change = change ^ enable;
1859 if (change) {
1860 if (enable) {
1861 codec->spdif_mask |= 0x02;
1862 snd_ali_enable_spdif_out(codec);
1863 } else {
1864 codec->spdif_mask &= ~(0x02);
1865 codec->spdif_mask &= ~(0x04);
1866 snd_ali_disable_spdif_out(codec);
1867 }
1868 }
1869 break;
1870 case 1:
1871 change = (codec->spdif_mask & 0x04) ? 1 : 0;
1872 change = change ^ enable;
1873 if (change && (codec->spdif_mask & 0x02)) {
1874 if (enable) {
1875 codec->spdif_mask |= 0x04;
1876 snd_ali_enable_spdif_chnout(codec);
1877 } else {
1878 codec->spdif_mask &= ~(0x04);
1879 snd_ali_disable_spdif_chnout(codec);
1880 }
1881 }
1882 break;
1883 case 2:
1884 change = (codec->spdif_mask & 0x01) ? 1 : 0;
1885 change = change ^ enable;
1886 if (change) {
1887 if (enable) {
1888 codec->spdif_mask |= 0x01;
1889 snd_ali_enable_spdif_in(codec);
1890 } else {
1891 codec->spdif_mask &= ~(0x01);
1892 snd_ali_disable_spdif_in(codec);
1893 }
1894 }
1895 break;
1896 default:
1897 break;
1898 }
1899 spin_unlock_irq(&codec->reg_lock);
1900
1901 return change;
1902 }
1903
1904 static struct snd_kcontrol_new snd_ali5451_mixer_spdif[] __devinitdata = {
1905 /* spdif aplayback switch */
1906 /* FIXME: "IEC958 Playback Switch" may conflict with one on ac97_codec */
1907 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 0, 0),
1908 /* spdif out to spdif channel */
1909 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Channel Output ",NONE,SWITCH), 0, 1),
1910 /* spdif in from spdif channel */
1911 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, 2)
1912 };
1913
1914 static int __devinit snd_ali_mixer(struct snd_ali * codec)
1915 {
1916 struct snd_ac97_template ac97;
1917 unsigned int idx;
1918 int i, err;
1919 static struct snd_ac97_bus_ops ops = {
1920 .write = snd_ali_codec_write,
1921 .read = snd_ali_codec_read,
1922 };
1923
1924 err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus);
1925 if (err < 0)
1926 return err;
1927
1928 memset(&ac97, 0, sizeof(ac97));
1929 ac97.private_data = codec;
1930
1931 for (i = 0; i < codec->num_of_codecs; i++) {
1932 ac97.num = i;
1933 err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97[i]);
1934 if (err < 0) {
1935 snd_printk(KERN_ERR
1936 "ali mixer %d creating error.\n", i);
1937 if (i == 0)
1938 return err;
1939 codec->num_of_codecs = 1;
1940 break;
1941 }
1942 }
1943
1944 if (codec->spdif_support) {
1945 for (idx = 0; idx < ARRAY_SIZE(snd_ali5451_mixer_spdif); idx++) {
1946 err = snd_ctl_add(codec->card,
1947 snd_ctl_new1(&snd_ali5451_mixer_spdif[idx], codec));
1948 if (err < 0)
1949 return err;
1950 }
1951 }
1952 return 0;
1953 }
1954
1955 #ifdef CONFIG_PM
1956 static int ali_suspend(struct pci_dev *pci, pm_message_t state)
1957 {
1958 struct snd_card *card = pci_get_drvdata(pci);
1959 struct snd_ali *chip = card->private_data;
1960 struct snd_ali_image *im;
1961 int i, j;
1962
1963 im = chip->image;
1964 if (!im)
1965 return 0;
1966
1967 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1968 for (i = 0; i < chip->num_of_codecs; i++) {
1969 snd_pcm_suspend_all(chip->pcm[i]);
1970 snd_ac97_suspend(chip->ac97[i]);
1971 }
1972
1973 spin_lock_irq(&chip->reg_lock);
1974
1975 im->regs[ALI_MISCINT >> 2] = inl(ALI_REG(chip, ALI_MISCINT));
1976 /* im->regs[ALI_START >> 2] = inl(ALI_REG(chip, ALI_START)); */
1977 im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP));
1978
1979 /* disable all IRQ bits */
1980 outl(0, ALI_REG(chip, ALI_MISCINT));
1981
1982 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
1983 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP))
1984 continue;
1985 im->regs[i] = inl(ALI_REG(chip, i*4));
1986 }
1987
1988 for (i = 0; i < ALI_CHANNELS; i++) {
1989 outb(i, ALI_REG(chip, ALI_GC_CIR));
1990 for (j = 0; j < ALI_CHANNEL_REGS; j++)
1991 im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0));
1992 }
1993
1994 /* stop all HW channel */
1995 outl(0xffffffff, ALI_REG(chip, ALI_STOP));
1996
1997 spin_unlock_irq(&chip->reg_lock);
1998
1999 pci_disable_device(pci);
2000 pci_save_state(pci);
2001 pci_set_power_state(pci, pci_choose_state(pci, state));
2002 return 0;
2003 }
2004
2005 static int ali_resume(struct pci_dev *pci)
2006 {
2007 struct snd_card *card = pci_get_drvdata(pci);
2008 struct snd_ali *chip = card->private_data;
2009 struct snd_ali_image *im;
2010 int i, j;
2011
2012 im = chip->image;
2013 if (!im)
2014 return 0;
2015
2016 pci_set_power_state(pci, PCI_D0);
2017 pci_restore_state(pci);
2018 if (pci_enable_device(pci) < 0) {
2019 printk(KERN_ERR "ali5451: pci_enable_device failed, "
2020 "disabling device\n");
2021 snd_card_disconnect(card);
2022 return -EIO;
2023 }
2024 pci_set_master(pci);
2025
2026 spin_lock_irq(&chip->reg_lock);
2027
2028 for (i = 0; i < ALI_CHANNELS; i++) {
2029 outb(i, ALI_REG(chip, ALI_GC_CIR));
2030 for (j = 0; j < ALI_CHANNEL_REGS; j++)
2031 outl(im->channel_regs[i][j], ALI_REG(chip, j*4 + 0xe0));
2032 }
2033
2034 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
2035 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) ||
2036 (i*4 == ALI_START))
2037 continue;
2038 outl(im->regs[i], ALI_REG(chip, i*4));
2039 }
2040
2041 /* start HW channel */
2042 outl(im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START));
2043 /* restore IRQ enable bits */
2044 outl(im->regs[ALI_MISCINT >> 2], ALI_REG(chip, ALI_MISCINT));
2045
2046 spin_unlock_irq(&chip->reg_lock);
2047
2048 for (i = 0 ; i < chip->num_of_codecs; i++)
2049 snd_ac97_resume(chip->ac97[i]);
2050
2051 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2052 return 0;
2053 }
2054 #endif /* CONFIG_PM */
2055
2056 static int snd_ali_free(struct snd_ali * codec)
2057 {
2058 if (codec->hw_initialized)
2059 snd_ali_disable_address_interrupt(codec);
2060 if (codec->irq >= 0) {
2061 synchronize_irq(codec->irq);
2062 free_irq(codec->irq, codec);
2063 }
2064 if (codec->port)
2065 pci_release_regions(codec->pci);
2066 pci_disable_device(codec->pci);
2067 #ifdef CONFIG_PM
2068 kfree(codec->image);
2069 #endif
2070 pci_dev_put(codec->pci_m1533);
2071 pci_dev_put(codec->pci_m7101);
2072 kfree(codec);
2073 return 0;
2074 }
2075
2076 static int snd_ali_chip_init(struct snd_ali *codec)
2077 {
2078 unsigned int legacy;
2079 unsigned char temp;
2080 struct pci_dev *pci_dev;
2081
2082 snd_ali_printk("chip initializing ... \n");
2083
2084 if (snd_ali_reset_5451(codec)) {
2085 snd_printk(KERN_ERR "ali_chip_init: reset 5451 error.\n");
2086 return -1;
2087 }
2088
2089 if (codec->revision == ALI_5451_V02) {
2090 pci_dev = codec->pci_m1533;
2091 pci_read_config_byte(pci_dev, 0x59, &temp);
2092 temp |= 0x80;
2093 pci_write_config_byte(pci_dev, 0x59, temp);
2094
2095 pci_dev = codec->pci_m7101;
2096 pci_read_config_byte(pci_dev, 0xb8, &temp);
2097 temp |= 0x20;
2098 pci_write_config_byte(pci_dev, 0xB8, temp);
2099 }
2100
2101 pci_read_config_dword(codec->pci, 0x44, &legacy);
2102 legacy &= 0xff00ff00;
2103 legacy |= 0x000800aa;
2104 pci_write_config_dword(codec->pci, 0x44, legacy);
2105
2106 outl(0x80000001, ALI_REG(codec, ALI_GLOBAL_CONTROL));
2107 outl(0x00000000, ALI_REG(codec, ALI_AINTEN));
2108 outl(0xffffffff, ALI_REG(codec, ALI_AINT));
2109 outl(0x00000000, ALI_REG(codec, ALI_VOLUME));
2110 outb(0x10, ALI_REG(codec, ALI_MPUR2));
2111
2112 codec->ac97_ext_id = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_ID);
2113 codec->ac97_ext_status = snd_ali_codec_peek(codec, 0,
2114 AC97_EXTENDED_STATUS);
2115 if (codec->spdif_support) {
2116 snd_ali_enable_spdif_out(codec);
2117 codec->spdif_mask = 0x00000002;
2118 }
2119
2120 codec->num_of_codecs = 1;
2121
2122 /* secondary codec - modem */
2123 if (inl(ALI_REG(codec, ALI_SCTRL)) & ALI_SCTRL_CODEC2_READY) {
2124 codec->num_of_codecs++;
2125 outl(inl(ALI_REG(codec, ALI_SCTRL)) |
2126 (ALI_SCTRL_LINE_IN2 | ALI_SCTRL_GPIO_IN2 |
2127 ALI_SCTRL_LINE_OUT_EN),
2128 ALI_REG(codec, ALI_SCTRL));
2129 }
2130
2131 snd_ali_printk("chip initialize succeed.\n");
2132 return 0;
2133
2134 }
2135
2136 /* proc for register dump */
2137 static void snd_ali_proc_read(struct snd_info_entry *entry,
2138 struct snd_info_buffer *buf)
2139 {
2140 struct snd_ali *codec = entry->private_data;
2141 int i;
2142 for (i = 0; i < 256 ; i+= 4)
2143 snd_iprintf(buf, "%02x: %08x\n", i, inl(ALI_REG(codec, i)));
2144 }
2145
2146 static void __devinit snd_ali_proc_init(struct snd_ali *codec)
2147 {
2148 struct snd_info_entry *entry;
2149 if (!snd_card_proc_new(codec->card, "ali5451", &entry))
2150 snd_info_set_text_ops(entry, codec, snd_ali_proc_read);
2151 }
2152
2153 static int __devinit snd_ali_resources(struct snd_ali *codec)
2154 {
2155 int err;
2156
2157 snd_ali_printk("resouces allocation ...\n");
2158 err = pci_request_regions(codec->pci, "ALI 5451");
2159 if (err < 0)
2160 return err;
2161 codec->port = pci_resource_start(codec->pci, 0);
2162
2163 if (request_irq(codec->pci->irq, snd_ali_card_interrupt,
2164 IRQF_SHARED, "ALI 5451", codec)) {
2165 snd_printk(KERN_ERR "Unable to request irq.\n");
2166 return -EBUSY;
2167 }
2168 codec->irq = codec->pci->irq;
2169 snd_ali_printk("resouces allocated.\n");
2170 return 0;
2171 }
2172 static int snd_ali_dev_free(struct snd_device *device)
2173 {
2174 struct snd_ali *codec = device->device_data;
2175 snd_ali_free(codec);
2176 return 0;
2177 }
2178
2179 static int __devinit snd_ali_create(struct snd_card *card,
2180 struct pci_dev *pci,
2181 int pcm_streams,
2182 int spdif_support,
2183 struct snd_ali ** r_ali)
2184 {
2185 struct snd_ali *codec;
2186 int i, err;
2187 unsigned short cmdw;
2188 static struct snd_device_ops ops = {
2189 .dev_free = snd_ali_dev_free,
2190 };
2191
2192 *r_ali = NULL;
2193
2194 snd_ali_printk("creating ...\n");
2195
2196 /* enable PCI device */
2197 err = pci_enable_device(pci);
2198 if (err < 0)
2199 return err;
2200 /* check, if we can restrict PCI DMA transfers to 31 bits */
2201 if (pci_set_dma_mask(pci, DMA_31BIT_MASK) < 0 ||
2202 pci_set_consistent_dma_mask(pci, DMA_31BIT_MASK) < 0) {
2203 snd_printk(KERN_ERR "architecture does not support "
2204 "31bit PCI busmaster DMA\n");
2205 pci_disable_device(pci);
2206 return -ENXIO;
2207 }
2208
2209 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
2210 if (!codec) {
2211 pci_disable_device(pci);
2212 return -ENOMEM;
2213 }
2214
2215 spin_lock_init(&codec->reg_lock);
2216 spin_lock_init(&codec->voice_alloc);
2217
2218 codec->card = card;
2219 codec->pci = pci;
2220 codec->irq = -1;
2221 pci_read_config_byte(pci, PCI_REVISION_ID, &codec->revision);
2222 codec->spdif_support = spdif_support;
2223
2224 if (pcm_streams < 1)
2225 pcm_streams = 1;
2226 if (pcm_streams > 32)
2227 pcm_streams = 32;
2228
2229 pci_set_master(pci);
2230 pci_read_config_word(pci, PCI_COMMAND, &cmdw);
2231 if ((cmdw & PCI_COMMAND_IO) != PCI_COMMAND_IO) {
2232 cmdw |= PCI_COMMAND_IO;
2233 pci_write_config_word(pci, PCI_COMMAND, cmdw);
2234 }
2235 pci_set_master(pci);
2236
2237 if (snd_ali_resources(codec)) {
2238 snd_ali_free(codec);
2239 return -EBUSY;
2240 }
2241
2242 synchronize_irq(pci->irq);
2243
2244 codec->synth.chmap = 0;
2245 codec->synth.chcnt = 0;
2246 codec->spdif_mask = 0;
2247 codec->synth.synthcount = 0;
2248
2249 if (codec->revision == ALI_5451_V02)
2250 codec->chregs.regs.ac97read = ALI_AC97_WRITE;
2251 else
2252 codec->chregs.regs.ac97read = ALI_AC97_READ;
2253 codec->chregs.regs.ac97write = ALI_AC97_WRITE;
2254
2255 codec->chregs.regs.start = ALI_START;
2256 codec->chregs.regs.stop = ALI_STOP;
2257 codec->chregs.regs.aint = ALI_AINT;
2258 codec->chregs.regs.ainten = ALI_AINTEN;
2259
2260 codec->chregs.data.start = 0x00;
2261 codec->chregs.data.stop = 0x00;
2262 codec->chregs.data.aint = 0x00;
2263 codec->chregs.data.ainten = 0x00;
2264
2265 /* M1533: southbridge */
2266 codec->pci_m1533 = pci_get_device(0x10b9, 0x1533, NULL);
2267 if (!codec->pci_m1533) {
2268 snd_printk(KERN_ERR "ali5451: cannot find ALi 1533 chip.\n");
2269 snd_ali_free(codec);
2270 return -ENODEV;
2271 }
2272 /* M7101: power management */
2273 codec->pci_m7101 = pci_get_device(0x10b9, 0x7101, NULL);
2274 if (!codec->pci_m7101 && codec->revision == ALI_5451_V02) {
2275 snd_printk(KERN_ERR "ali5451: cannot find ALi 7101 chip.\n");
2276 snd_ali_free(codec);
2277 return -ENODEV;
2278 }
2279
2280 snd_ali_printk("snd_device_new is called.\n");
2281 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops);
2282 if (err < 0) {
2283 snd_ali_free(codec);
2284 return err;
2285 }
2286
2287 snd_card_set_dev(card, &pci->dev);
2288
2289 /* initialise synth voices*/
2290 for (i = 0; i < ALI_CHANNELS; i++)
2291 codec->synth.voices[i].number = i;
2292
2293 err = snd_ali_chip_init(codec);
2294 if (err < 0) {
2295 snd_printk(KERN_ERR "ali create: chip init error.\n");
2296 return err;
2297 }
2298
2299 #ifdef CONFIG_PM
2300 codec->image = kmalloc(sizeof(*codec->image), GFP_KERNEL);
2301 if (!codec->image)
2302 snd_printk(KERN_WARNING "can't allocate apm buffer\n");
2303 #endif
2304
2305 snd_ali_enable_address_interrupt(codec);
2306 codec->hw_initialized = 1;
2307
2308 *r_ali = codec;
2309 snd_ali_printk("created.\n");
2310 return 0;
2311 }
2312
2313 static int __devinit snd_ali_probe(struct pci_dev *pci,
2314 const struct pci_device_id *pci_id)
2315 {
2316 struct snd_card *card;
2317 struct snd_ali *codec;
2318 int err;
2319
2320 snd_ali_printk("probe ...\n");
2321
2322 card = snd_card_new(index, id, THIS_MODULE, 0);
2323 if (!card)
2324 return -ENOMEM;
2325
2326 err = snd_ali_create(card, pci, pcm_channels, spdif, &codec);
2327 if (err < 0)
2328 goto error;
2329 card->private_data = codec;
2330
2331 snd_ali_printk("mixer building ...\n");
2332 err = snd_ali_mixer(codec);
2333 if (err < 0)
2334 goto error;
2335
2336 snd_ali_printk("pcm building ...\n");
2337 err = snd_ali_build_pcms(codec);
2338 if (err < 0)
2339 goto error;
2340
2341 snd_ali_proc_init(codec);
2342
2343 strcpy(card->driver, "ALI5451");
2344 strcpy(card->shortname, "ALI 5451");
2345
2346 sprintf(card->longname, "%s at 0x%lx, irq %li",
2347 card->shortname, codec->port, codec->irq);
2348
2349 snd_ali_printk("register card.\n");
2350 err = snd_card_register(card);
2351 if (err < 0)
2352 goto error;
2353
2354 pci_set_drvdata(pci, card);
2355 return 0;
2356
2357 error:
2358 snd_card_free(card);
2359 return err;
2360 }
2361
2362 static void __devexit snd_ali_remove(struct pci_dev *pci)
2363 {
2364 snd_card_free(pci_get_drvdata(pci));
2365 pci_set_drvdata(pci, NULL);
2366 }
2367
2368 static struct pci_driver driver = {
2369 .name = "ALI 5451",
2370 .id_table = snd_ali_ids,
2371 .probe = snd_ali_probe,
2372 .remove = __devexit_p(snd_ali_remove),
2373 #ifdef CONFIG_PM
2374 .suspend = ali_suspend,
2375 .resume = ali_resume,
2376 #endif
2377 };
2378
2379 static int __init alsa_card_ali_init(void)
2380 {
2381 return pci_register_driver(&driver);
2382 }
2383
2384 static void __exit alsa_card_ali_exit(void)
2385 {
2386 pci_unregister_driver(&driver);
2387 }
2388
2389 module_init(alsa_card_ali_init)
2390 module_exit(alsa_card_ali_exit)
linux v2.6.22.y-op