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CommitLineData
1da177e4
LT		 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
1da177e4
LT		 28#include <asm/io.h>
29#include <linux/delay.h>
30#include <linux/interrupt.h>
31#include <linux/init.h>
32#include <linux/pci.h>
33#include <linux/slab.h>
65a77217 34#include <linux/module.h>
910638ae 35#include <linux/dma-mapping.h>
1da177e4
LT		 36#include <sound/core.h>
37#include <sound/pcm.h>
38#include <sound/info.h>
39#include <sound/ac97_codec.h>
40#include <sound/mpu401.h>
41#include <sound/initval.h>
42
43MODULE_AUTHOR("Matt Wu <Matt_Wu@acersoftech.com.cn>");
44MODULE_DESCRIPTION("ALI M5451");
45MODULE_LICENSE("GPL");
46MODULE_SUPPORTED_DEVICE("{{ALI,M5451,pci},{ALI,M5451}}");
47
8a3fb4d0
TI		 48static int index = SNDRV_DEFAULT_IDX1; /* Index */
49static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */
50static int pcm_channels = 32;
a67ff6a5 51static bool spdif;
1da177e4 52
8a3fb4d0 53module_param(index, int, 0444);
1da177e4 54MODULE_PARM_DESC(index, "Index value for ALI M5451 PCI Audio.");
8a3fb4d0 55module_param(id, charp, 0444);
1da177e4 56MODULE_PARM_DESC(id, "ID string for ALI M5451 PCI Audio.");
8a3fb4d0 57module_param(pcm_channels, int, 0444);
1da177e4 58MODULE_PARM_DESC(pcm_channels, "PCM Channels");
8a3fb4d0 59module_param(spdif, bool, 0444);
1da177e4
LT		 60MODULE_PARM_DESC(spdif, "Support SPDIF I/O");
61
8a3fb4d0 62/* just for backward compatibility */
a67ff6a5 63static bool enable;
8a3fb4d0
TI		 64module_param(enable, bool, 0444);
65
66
1da177e4
LT		 67/*
68 * Constants definition
69 */
70
8cdfd251 71#define DEVICE_ID_ALI5451 ((PCI_VENDOR_ID_AL<<16)|PCI_DEVICE_ID_AL_M5451)
1da177e4
LT		 72
73
74#define ALI_CHANNELS 32
75
76#define ALI_PCM_IN_CHANNEL 31
77#define ALI_SPDIF_IN_CHANNEL 19
78#define ALI_SPDIF_OUT_CHANNEL 15
79#define ALI_CENTER_CHANNEL 24
80#define ALI_LEF_CHANNEL 23
81#define ALI_SURR_LEFT_CHANNEL 26
82#define ALI_SURR_RIGHT_CHANNEL 25
5cbff89c
SK		 83#define ALI_MODEM_IN_CHANNEL 21
84#define ALI_MODEM_OUT_CHANNEL 20
1da177e4
LT		 85
86#define SNDRV_ALI_VOICE_TYPE_PCM 01
87#define SNDRV_ALI_VOICE_TYPE_OTH 02
88
89#define ALI_5451_V02 0x02
90
91/*
92 * Direct Registers
93 */
94
f9ab2b1c
TI		 95#define ALI_LEGACY_DMAR0 0x00 /* ADR0 */
96#define ALI_LEGACY_DMAR4 0x04 /* CNT0 */
97#define ALI_LEGACY_DMAR11 0x0b /* MOD */
98#define ALI_LEGACY_DMAR15 0x0f /* MMR */
1da177e4
LT		 99#define ALI_MPUR0 0x20
100#define ALI_MPUR1 0x21
101#define ALI_MPUR2 0x22
102#define ALI_MPUR3 0x23
103
104#define ALI_AC97_WRITE 0x40
105#define ALI_AC97_READ 0x44
106
107#define ALI_SCTRL 0x48
108#define ALI_SPDIF_OUT_ENABLE 0x20
5cbff89c
SK		 109#define ALI_SCTRL_LINE_IN2 (1 << 9)
110#define ALI_SCTRL_GPIO_IN2 (1 << 13)
111#define ALI_SCTRL_LINE_OUT_EN (1 << 20)
112#define ALI_SCTRL_GPIO_OUT_EN (1 << 23)
113#define ALI_SCTRL_CODEC1_READY (1 << 24)
114#define ALI_SCTRL_CODEC2_READY (1 << 25)
1da177e4 115#define ALI_AC97_GPIO 0x4c
5cbff89c
SK		 116#define ALI_AC97_GPIO_ENABLE 0x8000
117#define ALI_AC97_GPIO_DATA_SHIFT 16
1da177e4
LT		 118#define ALI_SPDIF_CS 0x70
119#define ALI_SPDIF_CTRL 0x74
120#define ALI_SPDIF_IN_FUNC_ENABLE 0x02
121#define ALI_SPDIF_IN_CH_STATUS 0x40
122#define ALI_SPDIF_OUT_CH_STATUS 0xbf
123#define ALI_START 0x80
124#define ALI_STOP 0x84
125#define ALI_CSPF 0x90
126#define ALI_AINT 0x98
127#define ALI_GC_CIR 0xa0
128 #define ENDLP_IE 0x00001000
129 #define MIDLP_IE 0x00002000
130#define ALI_AINTEN 0xa4
131#define ALI_VOLUME 0xa8
132#define ALI_SBDELTA_DELTA_R 0xac
133#define ALI_MISCINT 0xb0
134 #define ADDRESS_IRQ 0x00000020
135 #define TARGET_REACHED 0x00008000
136 #define MIXER_OVERFLOW 0x00000800
137 #define MIXER_UNDERFLOW 0x00000400
5cbff89c 138 #define GPIO_IRQ 0x01000000
1da177e4
LT		 139#define ALI_SBBL_SBCL 0xc0
140#define ALI_SBCTRL_SBE2R_SBDD 0xc4
141#define ALI_STIMER 0xc8
142#define ALI_GLOBAL_CONTROL 0xd4
143#define ALI_SPDIF_OUT_SEL_PCM 0x00000400 /* bit 10 */
144#define ALI_SPDIF_IN_SUPPORT 0x00000800 /* bit 11 */
145#define ALI_SPDIF_OUT_CH_ENABLE 0x00008000 /* bit 15 */
146#define ALI_SPDIF_IN_CH_ENABLE 0x00080000 /* bit 19 */
147#define ALI_PCM_IN_ENABLE 0x80000000 /* bit 31 */
148
149#define ALI_CSO_ALPHA_FMS 0xe0
150#define ALI_LBA 0xe4
151#define ALI_ESO_DELTA 0xe8
152#define ALI_GVSEL_PAN_VOC_CTRL_EC 0xf0
153#define ALI_EBUF1 0xf4
154#define ALI_EBUF2 0xf8
155
156#define ALI_REG(codec, x) ((codec)->port + x)
157
5cbff89c
SK		 158#define MAX_CODECS 2
159
160
d1fabd9c
TI		 161struct snd_ali;
162struct snd_ali_voice;
1da177e4 163
d1fabd9c 164struct snd_ali_channel_control {
f9ab2b1c 165 /* register data */
1da177e4
LT		 166 struct REGDATA {
167 unsigned int start;
168 unsigned int stop;
169 unsigned int aint;
170 unsigned int ainten;
171 } data;
172
f9ab2b1c 173 /* register addresses */
1da177e4
LT		 174 struct REGS {
175 unsigned int start;
176 unsigned int stop;
177 unsigned int aint;
178 unsigned int ainten;
179 unsigned int ac97read;
180 unsigned int ac97write;
181 } regs;
182
d1fabd9c 183};
1da177e4 184
d1fabd9c 185struct snd_ali_voice {
1da177e4 186 unsigned int number;
f9ab2b1c
TI		 187 unsigned int use :1,
188 pcm :1,
189 midi :1,
190 mode :1,
191 synth :1,
192 running :1;
1da177e4
LT		 193
194 /* PCM data */
d1fabd9c
TI		 195 struct snd_ali *codec;
196 struct snd_pcm_substream *substream;
197 struct snd_ali_voice *extra;
1da177e4 198
1da177e4
LT		 199 int eso; /* final ESO value for channel */
200 int count; /* runtime->period_size */
201
202 /* --- */
203
204 void *private_data;
205 void (*private_free)(void *private_data);
206};
207
208
d1fabd9c 209struct snd_alidev {
1da177e4 210
d1fabd9c 211 struct snd_ali_voice voices[ALI_CHANNELS];
1da177e4
LT		 212
213 unsigned int chcnt; /* num of opened channels */
214 unsigned int chmap; /* bitmap for opened channels */
215 unsigned int synthcount;
216
d1fabd9c 217};
1da177e4
LT		 218
219
1da177e4
LT		 220#define ALI_GLOBAL_REGS 56
221#define ALI_CHANNEL_REGS 8
d1fabd9c 222struct snd_ali_image {
f9ab2b1c
TI		 223 u32 regs[ALI_GLOBAL_REGS];
224 u32 channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS];
d1fabd9c 225};
1da177e4
LT		 226
227
d1fabd9c 228struct snd_ali {
ba8c3c37 229 int irq;
1da177e4
LT		 230 unsigned long port;
231 unsigned char revision;
232
f9ab2b1c
TI		 233 unsigned int hw_initialized :1;
234 unsigned int spdif_support :1;
1da177e4
LT		 235
236 struct pci_dev *pci;
237 struct pci_dev *pci_m1533;
238 struct pci_dev *pci_m7101;
239
d1fabd9c
TI		 240 struct snd_card *card;
241 struct snd_pcm *pcm[MAX_CODECS];
242 struct snd_alidev synth;
243 struct snd_ali_channel_control chregs;
1da177e4
LT		 244
245 /* S/PDIF Mask */
246 unsigned int spdif_mask;
247
248 unsigned int spurious_irq_count;
249 unsigned int spurious_irq_max_delta;
250
5cbff89c
SK		 251 unsigned int num_of_codecs;
252
d1fabd9c
TI		 253 struct snd_ac97_bus *ac97_bus;
254 struct snd_ac97 *ac97[MAX_CODECS];
1da177e4
LT		 255 unsigned short ac97_ext_id;
256 unsigned short ac97_ext_status;
257
258 spinlock_t reg_lock;
259 spinlock_t voice_alloc;
260
c7561cd8 261#ifdef CONFIG_PM_SLEEP
d1fabd9c 262 struct snd_ali_image *image;
1da177e4
LT		 263#endif
264};
265
9baa3c34 266static const struct pci_device_id snd_ali_ids[] = {
ec6c8c3b 267 {PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5451), 0, 0, 0},
1da177e4
LT		 268 {0, }
269};
270MODULE_DEVICE_TABLE(pci, snd_ali_ids);
271
d1fabd9c
TI		 272static void snd_ali_clear_voices(struct snd_ali *, unsigned int, unsigned int);
273static unsigned short snd_ali_codec_peek(struct snd_ali *, int, unsigned short);
f9ab2b1c
TI		 274static void snd_ali_codec_poke(struct snd_ali *, int, unsigned short,
275 unsigned short);
1da177e4
LT		 276
277/*
278 * AC97 ACCESS
279 */
280
d1fabd9c 281static inline unsigned int snd_ali_5451_peek(struct snd_ali *codec,
f9ab2b1c 282 unsigned int port)
1da177e4
LT		 283{
284 return (unsigned int)inl(ALI_REG(codec, port));
285}
286
f9ab2b1c
TI		 287static inline void snd_ali_5451_poke(struct snd_ali *codec,
288 unsigned int port,
289 unsigned int val)
1da177e4
LT		 290{
291 outl((unsigned int)val, ALI_REG(codec, port));
292}
293
f9ab2b1c
TI		 294static int snd_ali_codec_ready(struct snd_ali *codec,
295 unsigned int port)
1da177e4
LT		 296{
297 unsigned long end_time;
298 unsigned int res;
299
755e1371 300 end_time = jiffies + msecs_to_jiffies(250);
70bdbd3d
BZ		 301
302 for (;;) {
1da177e4 303 res = snd_ali_5451_peek(codec,port);
f9ab2b1c 304 if (!(res & 0x8000))
1da177e4 305 return 0;
70bdbd3d
BZ		 306 if (!time_after_eq(end_time, jiffies))
307 break;
755e1371 308 schedule_timeout_uninterruptible(1);
70bdbd3d
BZ		 309 }
310
1da177e4 311 snd_ali_5451_poke(codec, port, res & ~0x8000);
5f1e6937 312 dev_dbg(codec->card->dev, "ali_codec_ready: codec is not ready.\n ");
1da177e4
LT		 313 return -EIO;
314}
315
d1fabd9c 316static int snd_ali_stimer_ready(struct snd_ali *codec)
1da177e4
LT		 317{
318 unsigned long end_time;
319 unsigned long dwChk1,dwChk2;
320
321 dwChk1 = snd_ali_5451_peek(codec, ALI_STIMER);
755e1371 322 end_time = jiffies + msecs_to_jiffies(250);
70bdbd3d
BZ		 323
324 for (;;) {
1da177e4
LT		 325 dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER);
326 if (dwChk2 != dwChk1)
327 return 0;
70bdbd3d
BZ		 328 if (!time_after_eq(end_time, jiffies))
329 break;
755e1371 330 schedule_timeout_uninterruptible(1);
70bdbd3d
BZ		 331 }
332
5f1e6937 333 dev_err(codec->card->dev, "ali_stimer_read: stimer is not ready.\n");
1da177e4
LT		 334 return -EIO;
335}
336
d1fabd9c 337static void snd_ali_codec_poke(struct snd_ali *codec,int secondary,
f9ab2b1c
TI		 338 unsigned short reg,
339 unsigned short val)
1da177e4 340{
f9ab2b1c
TI		 341 unsigned int dwVal;
342 unsigned int port;
1da177e4
LT		 343
344 if (reg >= 0x80) {
5f1e6937
TI		 345 dev_err(codec->card->dev,
346 "ali_codec_poke: reg(%xh) invalid.\n", reg);
1da177e4
LT		 347 return;
348 }
349
350 port = codec->chregs.regs.ac97write;
351
755e1371 352 if (snd_ali_codec_ready(codec, port) < 0)
1da177e4 353 return;
755e1371 354 if (snd_ali_stimer_ready(codec) < 0)
1da177e4
LT		 355 return;
356
357 dwVal = (unsigned int) (reg & 0xff);
358 dwVal |= 0x8000 | (val << 16);
f9ab2b1c
TI		 359 if (secondary)
360 dwVal |= 0x0080;
361 if (codec->revision == ALI_5451_V02)
362 dwVal |= 0x0100;
1da177e4 363
f9ab2b1c 364 snd_ali_5451_poke(codec, port, dwVal);
1da177e4
LT		 365
366 return ;
367}
368
f9ab2b1c
TI		 369static unsigned short snd_ali_codec_peek(struct snd_ali *codec,
370 int secondary,
371 unsigned short reg)
1da177e4 372{
f9ab2b1c
TI		 373 unsigned int dwVal;
374 unsigned int port;
1da177e4
LT		 375
376 if (reg >= 0x80) {
5f1e6937
TI		 377 dev_err(codec->card->dev,
378 "ali_codec_peek: reg(%xh) invalid.\n", reg);
1da177e4
LT		 379 return ~0;
380 }
381
382 port = codec->chregs.regs.ac97read;
383
755e1371 384 if (snd_ali_codec_ready(codec, port) < 0)
1da177e4 385 return ~0;
755e1371 386 if (snd_ali_stimer_ready(codec) < 0)
1da177e4
LT		 387 return ~0;
388
389 dwVal = (unsigned int) (reg & 0xff);
390 dwVal |= 0x8000; /* bit 15*/
f9ab2b1c
TI		 391 if (secondary)
392 dwVal |= 0x0080;
1da177e4
LT		 393
394 snd_ali_5451_poke(codec, port, dwVal);
395
755e1371 396 if (snd_ali_stimer_ready(codec) < 0)
1da177e4 397 return ~0;
755e1371 398 if (snd_ali_codec_ready(codec, port) < 0)
1da177e4
LT		 399 return ~0;
400
f9ab2b1c 401 return (snd_ali_5451_peek(codec, port) & 0xffff0000) >> 16;
1da177e4
LT		 402}
403
d1fabd9c 404static void snd_ali_codec_write(struct snd_ac97 *ac97,
1da177e4
LT		 405 unsigned short reg,
406 unsigned short val )
407{
d1fabd9c 408 struct snd_ali *codec = ac97->private_data;
1da177e4 409
5f1e6937 410 dev_dbg(codec->card->dev, "codec_write: reg=%xh data=%xh.\n", reg, val);
f9ab2b1c
TI		 411 if (reg == AC97_GPIO_STATUS) {
412 outl((val << ALI_AC97_GPIO_DATA_SHIFT) | ALI_AC97_GPIO_ENABLE,
413 ALI_REG(codec, ALI_AC97_GPIO));
5cbff89c
SK		 414 return;
415 }
416 snd_ali_codec_poke(codec, ac97->num, reg, val);
1da177e4
LT		 417 return ;
418}
419
420
f9ab2b1c
TI		 421static unsigned short snd_ali_codec_read(struct snd_ac97 *ac97,
422 unsigned short reg)
1da177e4 423{
d1fabd9c 424 struct snd_ali *codec = ac97->private_data;
1da177e4 425
5f1e6937 426 dev_dbg(codec->card->dev, "codec_read reg=%xh.\n", reg);
f9ab2b1c 427 return snd_ali_codec_peek(codec, ac97->num, reg);
1da177e4
LT		 428}
429
430/*
431 * AC97 Reset
432 */
433
d1fabd9c 434static int snd_ali_reset_5451(struct snd_ali *codec)
1da177e4 435{
f9ab2b1c 436 struct pci_dev *pci_dev;
1da177e4
LT		 437 unsigned short wCount, wReg;
438 unsigned int dwVal;
439
f9ab2b1c
TI		 440 pci_dev = codec->pci_m1533;
441 if (pci_dev) {
1da177e4
LT		 442 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
443 pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000);
76039358 444 mdelay(5);
1da177e4
LT		 445 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
446 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff);
76039358 447 mdelay(5);
1da177e4
LT		 448 }
449
450 pci_dev = codec->pci;
451 pci_read_config_dword(pci_dev, 0x44, &dwVal);
452 pci_write_config_dword(pci_dev, 0x44, dwVal | 0x000c0000);
453 udelay(500);
454 pci_read_config_dword(pci_dev, 0x44, &dwVal);
455 pci_write_config_dword(pci_dev, 0x44, dwVal & 0xfffbffff);
76039358 456 mdelay(5);
1da177e4
LT		 457
458 wCount = 200;
459 while(wCount--) {
460 wReg = snd_ali_codec_peek(codec, 0, AC97_POWERDOWN);
f9ab2b1c 461 if ((wReg & 0x000f) == 0x000f)
1da177e4 462 return 0;
76039358 463 mdelay(5);
1da177e4
LT		 464 }
465
466 /* non-fatal if you have a non PM capable codec */
5f1e6937 467 /* dev_warn(codec->card->dev, "ali5451: reset time out\n"); */
1da177e4
LT		 468 return 0;
469}
470
1da177e4
LT		 471/*
472 * ALI 5451 Controller
473 */
474
f9ab2b1c
TI		 475static void snd_ali_enable_special_channel(struct snd_ali *codec,
476 unsigned int channel)
1da177e4 477{
f9ab2b1c 478 unsigned long dwVal;
1da177e4 479
f9ab2b1c 480 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
1da177e4 481 dwVal |= 1 << (channel & 0x0000001f);
f9ab2b1c 482 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
1da177e4
LT		 483}
484
f9ab2b1c
TI		 485static void snd_ali_disable_special_channel(struct snd_ali *codec,
486 unsigned int channel)
1da177e4 487{
f9ab2b1c 488 unsigned long dwVal;
1da177e4 489
f9ab2b1c 490 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
1da177e4 491 dwVal &= ~(1 << (channel & 0x0000001f));
f9ab2b1c 492 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
1da177e4
LT		 493}
494
f9ab2b1c 495static void snd_ali_enable_address_interrupt(struct snd_ali *codec)
1da177e4
LT		 496{
497 unsigned int gc;
498
499 gc = inl(ALI_REG(codec, ALI_GC_CIR));
500 gc |= ENDLP_IE;
501 gc |= MIDLP_IE;
502 outl( gc, ALI_REG(codec, ALI_GC_CIR));
503}
504
f9ab2b1c 505static void snd_ali_disable_address_interrupt(struct snd_ali *codec)
1da177e4
LT		 506{
507 unsigned int gc;
508
509 gc = inl(ALI_REG(codec, ALI_GC_CIR));
510 gc &= ~ENDLP_IE;
511 gc &= ~MIDLP_IE;
512 outl(gc, ALI_REG(codec, ALI_GC_CIR));
513}
514
f9ab2b1c
TI		 515static void snd_ali_disable_voice_irq(struct snd_ali *codec,
516 unsigned int channel)
1da177e4
LT		 517{
518 unsigned int mask;
d1fabd9c 519 struct snd_ali_channel_control *pchregs = &(codec->chregs);
1da177e4 520
5f1e6937 521 dev_dbg(codec->card->dev, "disable_voice_irq channel=%d\n", channel);
1da177e4
LT		 522
523 mask = 1 << (channel & 0x1f);
f9ab2b1c 524 pchregs->data.ainten = inl(ALI_REG(codec, pchregs->regs.ainten));
1da177e4 525 pchregs->data.ainten &= ~mask;
f9ab2b1c 526 outl(pchregs->data.ainten, ALI_REG(codec, pchregs->regs.ainten));
1da177e4
LT		 527}
528
d1fabd9c 529static int snd_ali_alloc_pcm_channel(struct snd_ali *codec, int channel)
1da177e4
LT		 530{
531 unsigned int idx = channel & 0x1f;
532
533 if (codec->synth.chcnt >= ALI_CHANNELS){
5f1e6937 534 dev_err(codec->card->dev,
f9ab2b1c 535 "ali_alloc_pcm_channel: no free channels.\n");
1da177e4
LT		 536 return -1;
537 }
538
539 if (!(codec->synth.chmap & (1 << idx))) {
540 codec->synth.chmap |= 1 << idx;
541 codec->synth.chcnt++;
5f1e6937 542 dev_dbg(codec->card->dev, "alloc_pcm_channel no. %d.\n", idx);
1da177e4
LT		 543 return idx;
544 }
545 return -1;
546}
547
d1fabd9c 548static int snd_ali_find_free_channel(struct snd_ali * codec, int rec)
1da177e4
LT		 549{
550 int idx;
551 int result = -1;
552
5f1e6937
TI		 553 dev_dbg(codec->card->dev,
554 "find_free_channel: for %s\n", rec ? "rec" : "pcm");
1da177e4 555
f9ab2b1c 556 /* recording */
1da177e4
LT		 557 if (rec) {
558 if (codec->spdif_support &&
f9ab2b1c
TI		 559 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
560 ALI_SPDIF_IN_SUPPORT))
1da177e4
LT		 561 idx = ALI_SPDIF_IN_CHANNEL;
562 else
563 idx = ALI_PCM_IN_CHANNEL;
564
f9ab2b1c
TI		 565 result = snd_ali_alloc_pcm_channel(codec, idx);
566 if (result >= 0)
1da177e4 567 return result;
f9ab2b1c 568 else {
5f1e6937
TI		 569 dev_err(codec->card->dev,
570 "ali_find_free_channel: record channel is busy now.\n");
1da177e4
LT		 571 return -1;
572 }
573 }
574
f9ab2b1c 575 /* playback... */
1da177e4 576 if (codec->spdif_support &&
f9ab2b1c
TI		 577 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
578 ALI_SPDIF_OUT_CH_ENABLE)) {
1da177e4 579 idx = ALI_SPDIF_OUT_CHANNEL;
f9ab2b1c
TI		 580 result = snd_ali_alloc_pcm_channel(codec, idx);
581 if (result >= 0)
1da177e4 582 return result;
f9ab2b1c 583 else
5f1e6937
TI		 584 dev_err(codec->card->dev,
585 "ali_find_free_channel: S/PDIF out channel is in busy now.\n");
1da177e4
LT		 586 }
587
588 for (idx = 0; idx < ALI_CHANNELS; idx++) {
f9ab2b1c
TI		 589 result = snd_ali_alloc_pcm_channel(codec, idx);
590 if (result >= 0)
1da177e4
LT		 591 return result;
592 }
5f1e6937 593 dev_err(codec->card->dev, "ali_find_free_channel: no free channels.\n");
1da177e4
LT		 594 return -1;
595}
596
d1fabd9c 597static void snd_ali_free_channel_pcm(struct snd_ali *codec, int channel)
1da177e4
LT		 598{
599 unsigned int idx = channel & 0x0000001f;
600
5f1e6937 601 dev_dbg(codec->card->dev, "free_channel_pcm channel=%d\n", channel);
1da177e4
LT		 602
603 if (channel < 0 || channel >= ALI_CHANNELS)
604 return;
605
606 if (!(codec->synth.chmap & (1 << idx))) {
5f1e6937
TI		 607 dev_err(codec->card->dev,
608 "ali_free_channel_pcm: channel %d is not in use.\n",
609 channel);
1da177e4
LT		 610 return;
611 } else {
612 codec->synth.chmap &= ~(1 << idx);
613 codec->synth.chcnt--;
614 }
615}
616
f9ab2b1c 617static void snd_ali_stop_voice(struct snd_ali *codec, unsigned int channel)
1da177e4
LT		 618{
619 unsigned int mask = 1 << (channel & 0x1f);
620
5f1e6937 621 dev_dbg(codec->card->dev, "stop_voice: channel=%d\n", channel);
1da177e4
LT		 622 outl(mask, ALI_REG(codec, codec->chregs.regs.stop));
623}
624
625/*
626 * S/PDIF Part
627 */
628
d1fabd9c 629static void snd_ali_delay(struct snd_ali *codec,int interval)
1da177e4
LT		 630{
631 unsigned long begintimer,currenttimer;
632
633 begintimer = inl(ALI_REG(codec, ALI_STIMER));
634 currenttimer = inl(ALI_REG(codec, ALI_STIMER));
635
636 while (currenttimer < begintimer + interval) {
f9ab2b1c 637 if (snd_ali_stimer_ready(codec) < 0)
1da177e4
LT		 638 break;
639 currenttimer = inl(ALI_REG(codec, ALI_STIMER));
f9ab2b1c 640 cpu_relax();
1da177e4
LT		 641 }
642}
643
d1fabd9c 644static void snd_ali_detect_spdif_rate(struct snd_ali *codec)
1da177e4 645{
f9ab2b1c 646 u16 wval;
1da177e4 647 u16 count = 0;
f9ab2b1c 648 u8 bval, R1 = 0, R2;
1da177e4 649
f9ab2b1c 650 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1));
1da177e4 651 bval |= 0x1F;
f9ab2b1c 652 outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL + 1));
1da177e4 653
f9ab2b1c 654 while ((R1 < 0x0b || R1 > 0x0e) && R1 != 0x12 && count <= 50000) {
1da177e4
LT		 655 count ++;
656 snd_ali_delay(codec, 6);
f9ab2b1c 657 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1));
1da177e4
LT		 658 R1 = bval & 0x1F;
659 }
660
661 if (count > 50000) {
5f1e6937 662 dev_err(codec->card->dev, "ali_detect_spdif_rate: timeout!\n");
1da177e4
LT		 663 return;
664 }
665
1c397324 666 for (count = 0; count <= 50000; count++) {
1da177e4
LT		 667 snd_ali_delay(codec, 6);
668 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1));
669 R2 = bval & 0x1F;
f9ab2b1c
TI		 670 if (R2 != R1)
671 R1 = R2;
672 else
673 break;
1da177e4
LT		 674 }
675
676 if (count > 50000) {
5f1e6937 677 dev_err(codec->card->dev, "ali_detect_spdif_rate: timeout!\n");
1da177e4
LT		 678 return;
679 }
680
681 if (R2 >= 0x0b && R2 <= 0x0e) {
f9ab2b1c
TI		 682 wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2));
683 wval &= 0xe0f0;
684 wval |= (0x09 << 8) | 0x05;
685 outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2));
1da177e4 686
f9ab2b1c
TI		 687 bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3)) & 0xf0;
688 outb(bval | 0x02, ALI_REG(codec, ALI_SPDIF_CS + 3));
1da177e4 689 } else if (R2 == 0x12) {
f9ab2b1c
TI		 690 wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2));
691 wval &= 0xe0f0;
692 wval |= (0x0e << 8) | 0x08;
693 outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2));
1da177e4 694
f9ab2b1c
TI		 695 bval = inb(ALI_REG(codec,ALI_SPDIF_CS + 3)) & 0xf0;
696 outb(bval | 0x03, ALI_REG(codec, ALI_SPDIF_CS + 3));
1da177e4
LT		 697 }
698}
699
d1fabd9c 700static unsigned int snd_ali_get_spdif_in_rate(struct snd_ali *codec)
1da177e4 701{
f9ab2b1c
TI		 702 u32 dwRate;
703 u8 bval;
1da177e4 704
f9ab2b1c
TI		 705 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
706 bval &= 0x7f;
1da177e4 707 bval |= 0x40;
f9ab2b1c 708 outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL));
1da177e4
LT		 709
710 snd_ali_detect_spdif_rate(codec);
711
f9ab2b1c
TI		 712 bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3));
713 bval &= 0x0f;
1da177e4 714
f9ab2b1c
TI		 715 switch (bval) {
716 case 0: dwRate = 44100; break;
717 case 1: dwRate = 48000; break;
718 case 2: dwRate = 32000; break;
719 default: dwRate = 0; break;
720 }
1da177e4
LT		 721
722 return dwRate;
723}
724
d1fabd9c 725static void snd_ali_enable_spdif_in(struct snd_ali *codec)
1da177e4
LT		 726{
727 unsigned int dwVal;
728
729 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
730 dwVal |= ALI_SPDIF_IN_SUPPORT;
731 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
732
733 dwVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
734 dwVal |= 0x02;
735 outb(dwVal, ALI_REG(codec, ALI_SPDIF_CTRL));
736
737 snd_ali_enable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
738}
739
d1fabd9c 740static void snd_ali_disable_spdif_in(struct snd_ali *codec)
1da177e4
LT		 741{
742 unsigned int dwVal;
743
744 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
745 dwVal &= ~ALI_SPDIF_IN_SUPPORT;
746 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
747
748 snd_ali_disable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
749}
750
751
d1fabd9c 752static void snd_ali_set_spdif_out_rate(struct snd_ali *codec, unsigned int rate)
1da177e4
LT		 753{
754 unsigned char bVal;
f9ab2b1c 755 unsigned int dwRate;
1da177e4 756
f9ab2b1c
TI		 757 switch (rate) {
758 case 32000: dwRate = 0x300; break;
759 case 48000: dwRate = 0x200; break;
760 default: dwRate = 0; break;
761 }
1da177e4
LT		 762
763 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
764 bVal &= (unsigned char)(~(1<<6));
765
f9ab2b1c 766 bVal |= 0x80; /* select right */
1da177e4
LT		 767 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
768 outb(dwRate | 0x20, ALI_REG(codec, ALI_SPDIF_CS + 2));
769
f9ab2b1c 770 bVal &= ~0x80; /* select left */
1da177e4
LT		 771 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
772 outw(rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2));
773}
774
d1fabd9c 775static void snd_ali_enable_spdif_out(struct snd_ali *codec)
1da177e4
LT		 776{
777 unsigned short wVal;
778 unsigned char bVal;
f9ab2b1c 779 struct pci_dev *pci_dev;
1da177e4
LT		 780
781 pci_dev = codec->pci_m1533;
782 if (pci_dev == NULL)
783 return;
784 pci_read_config_byte(pci_dev, 0x61, &bVal);
785 bVal |= 0x40;
786 pci_write_config_byte(pci_dev, 0x61, bVal);
787 pci_read_config_byte(pci_dev, 0x7d, &bVal);
788 bVal |= 0x01;
789 pci_write_config_byte(pci_dev, 0x7d, bVal);
790
791 pci_read_config_byte(pci_dev, 0x7e, &bVal);
792 bVal &= (~0x20);
793 bVal |= 0x10;
794 pci_write_config_byte(pci_dev, 0x7e, bVal);
795
796 bVal = inb(ALI_REG(codec, ALI_SCTRL));
797 outb(bVal | ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
798
799 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
800 outb(bVal & ALI_SPDIF_OUT_CH_STATUS, ALI_REG(codec, ALI_SPDIF_CTRL));
801
f9ab2b1c
TI		 802 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
803 wVal |= ALI_SPDIF_OUT_SEL_PCM;
804 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
805 snd_ali_disable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
1da177e4
LT		 806}
807
d1fabd9c 808static void snd_ali_enable_spdif_chnout(struct snd_ali *codec)
1da177e4 809{
f9ab2b1c 810 unsigned short wVal;
1da177e4
LT		 811
812 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
813 wVal &= ~ALI_SPDIF_OUT_SEL_PCM;
814 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
815/*
816 wVal = inw(ALI_REG(codec, ALI_SPDIF_CS));
817 if (flag & ALI_SPDIF_OUT_NON_PCM)
818 wVal |= 0x0002;
819 else
820 wVal &= (~0x0002);
821 outw(wVal, ALI_REG(codec, ALI_SPDIF_CS));
822*/
f9ab2b1c 823 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
1da177e4
LT		 824}
825
d1fabd9c 826static void snd_ali_disable_spdif_chnout(struct snd_ali *codec)
1da177e4 827{
f9ab2b1c
TI		 828 unsigned short wVal;
829
1da177e4
LT		 830 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
831 wVal |= ALI_SPDIF_OUT_SEL_PCM;
832 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
833
834 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
835}
836
d1fabd9c 837static void snd_ali_disable_spdif_out(struct snd_ali *codec)
1da177e4
LT		 838{
839 unsigned char bVal;
840
841 bVal = inb(ALI_REG(codec, ALI_SCTRL));
842 outb(bVal & ~ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
843
844 snd_ali_disable_spdif_chnout(codec);
845}
846
f9ab2b1c 847static void snd_ali_update_ptr(struct snd_ali *codec, int channel)
1da177e4 848{
f9ab2b1c 849 struct snd_ali_voice *pvoice;
f9ab2b1c 850 struct snd_ali_channel_control *pchregs;
1da177e4 851 unsigned int old, mask;
1da177e4
LT		 852
853 pchregs = &(codec->chregs);
854
f9ab2b1c 855 /* check if interrupt occurred for channel */
1da177e4 856 old = pchregs->data.aint;
f9ab2b1c 857 mask = 1U << (channel & 0x1f);
1da177e4
LT		 858
859 if (!(old & mask))
860 return;
861
862 pvoice = &codec->synth.voices[channel];
1da177e4
LT		 863
864 udelay(100);
865 spin_lock(&codec->reg_lock);
866
867 if (pvoice->pcm && pvoice->substream) {
868 /* pcm interrupt */
1da177e4 869 if (pvoice->running) {
5f1e6937
TI		 870 dev_dbg(codec->card->dev,
871 "update_ptr: cso=%4.4x cspf=%d.\n",
872 inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)),
873 (inl(ALI_REG(codec, ALI_CSPF)) & mask) == mask);
1da177e4
LT		 874 spin_unlock(&codec->reg_lock);
875 snd_pcm_period_elapsed(pvoice->substream);
876 spin_lock(&codec->reg_lock);
877 } else {
878 snd_ali_stop_voice(codec, channel);
879 snd_ali_disable_voice_irq(codec, channel);
880 }
881 } else if (codec->synth.voices[channel].synth) {
882 /* synth interrupt */
883 } else if (codec->synth.voices[channel].midi) {
884 /* midi interrupt */
885 } else {
886 /* unknown interrupt */
887 snd_ali_stop_voice(codec, channel);
888 snd_ali_disable_voice_irq(codec, channel);
889 }
890 spin_unlock(&codec->reg_lock);
891 outl(mask,ALI_REG(codec,pchregs->regs.aint));
892 pchregs->data.aint = old & (~mask);
893}
894
f9ab2b1c 895static irqreturn_t snd_ali_card_interrupt(int irq, void *dev_id)
1da177e4 896{
f9ab2b1c 897 struct snd_ali *codec = dev_id;
1da177e4
LT		 898 int channel;
899 unsigned int audio_int;
f9ab2b1c
TI		 900 struct snd_ali_channel_control *pchregs;
901
902 if (codec == NULL || !codec->hw_initialized)
903 return IRQ_NONE;
1da177e4
LT		 904
905 audio_int = inl(ALI_REG(codec, ALI_MISCINT));
f9ab2b1c
TI		 906 if (!audio_int)
907 return IRQ_NONE;
908
909 pchregs = &(codec->chregs);
1da177e4 910 if (audio_int & ADDRESS_IRQ) {
f9ab2b1c
TI		 911 /* get interrupt status for all channels */
912 pchregs->data.aint = inl(ALI_REG(codec, pchregs->regs.aint));
913 for (channel = 0; channel < ALI_CHANNELS; channel++)
1da177e4 914 snd_ali_update_ptr(codec, channel);
1da177e4
LT		 915 }
916 outl((TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW),
f9ab2b1c 917 ALI_REG(codec, ALI_MISCINT));
1da177e4 918
1da177e4
LT		 919 return IRQ_HANDLED;
920}
921
922
f9ab2b1c
TI		 923static struct snd_ali_voice *snd_ali_alloc_voice(struct snd_ali * codec,
924 int type, int rec, int channel)
1da177e4 925{
f9ab2b1c 926 struct snd_ali_voice *pvoice;
1da177e4
LT		 927 int idx;
928
5f1e6937 929 dev_dbg(codec->card->dev, "alloc_voice: type=%d rec=%d\n", type, rec);
1da177e4 930
755e1371 931 spin_lock_irq(&codec->voice_alloc);
1da177e4 932 if (type == SNDRV_ALI_VOICE_TYPE_PCM) {
5cbff89c
SK		 933 idx = channel > 0 ? snd_ali_alloc_pcm_channel(codec, channel) :
934 snd_ali_find_free_channel(codec,rec);
f9ab2b1c 935 if (idx < 0) {
5f1e6937 936 dev_err(codec->card->dev, "ali_alloc_voice: err.\n");
755e1371 937 spin_unlock_irq(&codec->voice_alloc);
1da177e4
LT		 938 return NULL;
939 }
940 pvoice = &(codec->synth.voices[idx]);
755e1371 941 pvoice->codec = codec;
1da177e4
LT		 942 pvoice->use = 1;
943 pvoice->pcm = 1;
944 pvoice->mode = rec;
755e1371 945 spin_unlock_irq(&codec->voice_alloc);
1da177e4
LT		 946 return pvoice;
947 }
755e1371 948 spin_unlock_irq(&codec->voice_alloc);
1da177e4
LT		 949 return NULL;
950}
951
952
f9ab2b1c
TI		 953static void snd_ali_free_voice(struct snd_ali * codec,
954 struct snd_ali_voice *pvoice)
1da177e4 955{
1da177e4
LT		 956 void (*private_free)(void *);
957 void *private_data;
958
5f1e6937 959 dev_dbg(codec->card->dev, "free_voice: channel=%d\n", pvoice->number);
4b3be6af 960 if (!pvoice->use)
1da177e4
LT		 961 return;
962 snd_ali_clear_voices(codec, pvoice->number, pvoice->number);
755e1371 963 spin_lock_irq(&codec->voice_alloc);
1da177e4
LT		 964 private_free = pvoice->private_free;
965 private_data = pvoice->private_data;
966 pvoice->private_free = NULL;
967 pvoice->private_data = NULL;
f9ab2b1c 968 if (pvoice->pcm)
1da177e4 969 snd_ali_free_channel_pcm(codec, pvoice->number);
1da177e4
LT		 970 pvoice->use = pvoice->pcm = pvoice->synth = 0;
971 pvoice->substream = NULL;
755e1371 972 spin_unlock_irq(&codec->voice_alloc);
1da177e4
LT		 973 if (private_free)
974 private_free(private_data);
975}
976
977
f9ab2b1c
TI		 978static void snd_ali_clear_voices(struct snd_ali *codec,
979 unsigned int v_min,
980 unsigned int v_max)
1da177e4
LT		 981{
982 unsigned int i;
983
984 for (i = v_min; i <= v_max; i++) {
985 snd_ali_stop_voice(codec, i);
986 snd_ali_disable_voice_irq(codec, i);
987 }
988}
989
f9ab2b1c 990static void snd_ali_write_voice_regs(struct snd_ali *codec,
1da177e4
LT		 991 unsigned int Channel,
992 unsigned int LBA,
993 unsigned int CSO,
994 unsigned int ESO,
995 unsigned int DELTA,
996 unsigned int ALPHA_FMS,
997 unsigned int GVSEL,
998 unsigned int PAN,
999 unsigned int VOL,
1000 unsigned int CTRL,
1001 unsigned int EC)
1002{
1003 unsigned int ctlcmds[4];
1004
f9ab2b1c 1005 outb((unsigned char)(Channel & 0x001f), ALI_REG(codec, ALI_GC_CIR));
1da177e4
LT		 1006
1007 ctlcmds[0] = (CSO << 16) | (ALPHA_FMS & 0x0000ffff);
1008 ctlcmds[1] = LBA;
1009 ctlcmds[2] = (ESO << 16) | (DELTA & 0x0ffff);
1010 ctlcmds[3] = (GVSEL << 31) |
1011 ((PAN & 0x0000007f) << 24) |
1012 ((VOL & 0x000000ff) << 16) |
1013 ((CTRL & 0x0000000f) << 12) |
1014 (EC & 0x00000fff);
1015
1016 outb(Channel, ALI_REG(codec, ALI_GC_CIR));
1017
f9ab2b1c
TI		 1018 outl(ctlcmds[0], ALI_REG(codec, ALI_CSO_ALPHA_FMS));
1019 outl(ctlcmds[1], ALI_REG(codec, ALI_LBA));
1020 outl(ctlcmds[2], ALI_REG(codec, ALI_ESO_DELTA));
1021 outl(ctlcmds[3], ALI_REG(codec, ALI_GVSEL_PAN_VOC_CTRL_EC));
1da177e4
LT		 1022
1023 outl(0x30000000, ALI_REG(codec, ALI_EBUF1)); /* Still Mode */
1024 outl(0x30000000, ALI_REG(codec, ALI_EBUF2)); /* Still Mode */
1025}
1026
1027static unsigned int snd_ali_convert_rate(unsigned int rate, int rec)
1028{
1029 unsigned int delta;
1030
f9ab2b1c
TI		 1031 if (rate < 4000)
1032 rate = 4000;
1033 if (rate > 48000)
1034 rate = 48000;
1da177e4
LT		 1035
1036 if (rec) {
1037 if (rate == 44100)
1038 delta = 0x116a;
1039 else if (rate == 8000)
1040 delta = 0x6000;
1041 else if (rate == 48000)
1042 delta = 0x1000;
1043 else
1044 delta = ((48000 << 12) / rate) & 0x0000ffff;
1045 } else {
1046 if (rate == 44100)
1047 delta = 0xeb3;
1048 else if (rate == 8000)
1049 delta = 0x2ab;
1050 else if (rate == 48000)
1051 delta = 0x1000;
1052 else
1053 delta = (((rate << 12) + rate) / 48000) & 0x0000ffff;
1054 }
1055
1056 return delta;
1057}
1058
d1fabd9c 1059static unsigned int snd_ali_control_mode(struct snd_pcm_substream *substream)
1da177e4
LT		 1060{
1061 unsigned int CTRL;
d1fabd9c 1062 struct snd_pcm_runtime *runtime = substream->runtime;
1da177e4
LT		 1063
1064 /* set ctrl mode
1065 CTRL default: 8-bit (unsigned) mono, loop mode enabled
1066 */
1067 CTRL = 0x00000001;
1068 if (snd_pcm_format_width(runtime->format) == 16)
f9ab2b1c 1069 CTRL |= 0x00000008; /* 16-bit data */
1da177e4 1070 if (!snd_pcm_format_unsigned(runtime->format))
f9ab2b1c 1071 CTRL |= 0x00000002; /* signed data */
1da177e4 1072 if (runtime->channels > 1)
f9ab2b1c 1073 CTRL |= 0x00000004; /* stereo data */
1da177e4
LT		 1074 return CTRL;
1075}
1076
1077/*
1078 * PCM part
1079 */
1080
d1fabd9c 1081static int snd_ali_trigger(struct snd_pcm_substream *substream,
1da177e4
LT		 1082 int cmd)
1083
1084{
d1fabd9c 1085 struct snd_ali *codec = snd_pcm_substream_chip(substream);
d1fabd9c 1086 struct snd_pcm_substream *s;
1da177e4 1087 unsigned int what, whati, capture_flag;
f9ab2b1c 1088 struct snd_ali_voice *pvoice, *evoice;
1da177e4
LT		 1089 unsigned int val;
1090 int do_start;
1091
1092 switch (cmd) {
1093 case SNDRV_PCM_TRIGGER_START:
1094 case SNDRV_PCM_TRIGGER_RESUME:
f9ab2b1c
TI		 1095 do_start = 1;
1096 break;
1da177e4
LT		 1097 case SNDRV_PCM_TRIGGER_STOP:
1098 case SNDRV_PCM_TRIGGER_SUSPEND:
f9ab2b1c
TI		 1099 do_start = 0;
1100 break;
1da177e4
LT		 1101 default:
1102 return -EINVAL;
1103 }
1104
1105 what = whati = capture_flag = 0;
ef991b95 1106 snd_pcm_group_for_each_entry(s, substream) {
d1fabd9c
TI		 1107 if ((struct snd_ali *) snd_pcm_substream_chip(s) == codec) {
1108 pvoice = s->runtime->private_data;
1da177e4
LT		 1109 evoice = pvoice->extra;
1110 what |= 1 << (pvoice->number & 0x1f);
f9ab2b1c 1111 if (evoice == NULL)
1da177e4 1112 whati |= 1 << (pvoice->number & 0x1f);
f9ab2b1c 1113 else {
1da177e4
LT		 1114 whati |= 1 << (evoice->number & 0x1f);
1115 what |= 1 << (evoice->number & 0x1f);
1116 }
1117 if (do_start) {
1118 pvoice->running = 1;
1119 if (evoice != NULL)
1120 evoice->running = 1;
1121 } else {
1122 pvoice->running = 0;
1123 if (evoice != NULL)
1124 evoice->running = 0;
1125 }
1126 snd_pcm_trigger_done(s, substream);
1127 if (pvoice->mode)
1128 capture_flag = 1;
1129 }
1130 }
1131 spin_lock(&codec->reg_lock);
f9ab2b1c 1132 if (!do_start)
1da177e4 1133 outl(what, ALI_REG(codec, ALI_STOP));
1da177e4 1134 val = inl(ALI_REG(codec, ALI_AINTEN));
f9ab2b1c 1135 if (do_start)
1da177e4 1136 val |= whati;
f9ab2b1c 1137 else
1da177e4 1138 val &= ~whati;
1da177e4 1139 outl(val, ALI_REG(codec, ALI_AINTEN));
f9ab2b1c 1140 if (do_start)
1da177e4 1141 outl(what, ALI_REG(codec, ALI_START));
5f1e6937 1142 dev_dbg(codec->card->dev, "trigger: what=%xh whati=%xh\n", what, whati);
1da177e4
LT		 1143 spin_unlock(&codec->reg_lock);
1144
1145 return 0;
1146}
1147
d1fabd9c 1148static int snd_ali_playback_hw_params(struct snd_pcm_substream *substream,
f9ab2b1c 1149 struct snd_pcm_hw_params *hw_params)
1da177e4 1150{
d1fabd9c
TI		 1151 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1152 struct snd_pcm_runtime *runtime = substream->runtime;
1153 struct snd_ali_voice *pvoice = runtime->private_data;
1154 struct snd_ali_voice *evoice = pvoice->extra;
1da177e4 1155 int err;
f9ab2b1c
TI		 1156
1157 err = snd_pcm_lib_malloc_pages(substream,
1158 params_buffer_bytes(hw_params));
1159 if (err < 0)
1160 return err;
1da177e4
LT		 1161
1162 /* voice management */
1163
f9ab2b1c
TI		 1164 if (params_buffer_size(hw_params) / 2 !=
1165 params_period_size(hw_params)) {
1166 if (!evoice) {
1167 evoice = snd_ali_alloc_voice(codec,
1168 SNDRV_ALI_VOICE_TYPE_PCM,
1169 0, -1);
1170 if (!evoice)
1da177e4
LT		 1171 return -ENOMEM;
1172 pvoice->extra = evoice;
1173 evoice->substream = substream;
1174 }
1175 } else {
27043642 1176 if (evoice) {
1da177e4
LT		 1177 snd_ali_free_voice(codec, evoice);
1178 pvoice->extra = evoice = NULL;
1179 }
1180 }
1181
1182 return 0;
1183}
1184
d1fabd9c 1185static int snd_ali_playback_hw_free(struct snd_pcm_substream *substream)
1da177e4 1186{
d1fabd9c
TI		 1187 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1188 struct snd_pcm_runtime *runtime = substream->runtime;
1189 struct snd_ali_voice *pvoice = runtime->private_data;
1190 struct snd_ali_voice *evoice = pvoice ? pvoice->extra : NULL;
1da177e4
LT		 1191
1192 snd_pcm_lib_free_pages(substream);
27043642 1193 if (evoice) {
1da177e4
LT		 1194 snd_ali_free_voice(codec, evoice);
1195 pvoice->extra = NULL;
1196 }
1197 return 0;
1198}
1199
d1fabd9c 1200static int snd_ali_hw_params(struct snd_pcm_substream *substream,
f9ab2b1c 1201 struct snd_pcm_hw_params *hw_params)
1da177e4 1202{
f9ab2b1c
TI		 1203 return snd_pcm_lib_malloc_pages(substream,
1204 params_buffer_bytes(hw_params));
1da177e4
LT		 1205}
1206
d1fabd9c 1207static int snd_ali_hw_free(struct snd_pcm_substream *substream)
1da177e4
LT		 1208{
1209 return snd_pcm_lib_free_pages(substream);
1210}
1211
d1fabd9c 1212static int snd_ali_playback_prepare(struct snd_pcm_substream *substream)
1da177e4 1213{
d1fabd9c
TI		 1214 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1215 struct snd_pcm_runtime *runtime = substream->runtime;
1216 struct snd_ali_voice *pvoice = runtime->private_data;
1217 struct snd_ali_voice *evoice = pvoice->extra;
1da177e4
LT		 1218
1219 unsigned int LBA;
1220 unsigned int Delta;
1221 unsigned int ESO;
1222 unsigned int CTRL;
1223 unsigned int GVSEL;
1224 unsigned int PAN;
1225 unsigned int VOL;
1226 unsigned int EC;
1227
5f1e6937 1228 dev_dbg(codec->card->dev, "playback_prepare ...\n");
1da177e4 1229
755e1371 1230 spin_lock_irq(&codec->reg_lock);
1da177e4
LT		 1231
1232 /* set Delta (rate) value */
1233 Delta = snd_ali_convert_rate(runtime->rate, 0);
1234
f9ab2b1c
TI		 1235 if (pvoice->number == ALI_SPDIF_IN_CHANNEL ||
1236 pvoice->number == ALI_PCM_IN_CHANNEL)
1da177e4
LT		 1237 snd_ali_disable_special_channel(codec, pvoice->number);
1238 else if (codec->spdif_support &&
f9ab2b1c
TI		 1239 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
1240 ALI_SPDIF_OUT_CH_ENABLE)
1241 && pvoice->number == ALI_SPDIF_OUT_CHANNEL) {
1da177e4
LT		 1242 snd_ali_set_spdif_out_rate(codec, runtime->rate);
1243 Delta = 0x1000;
1244 }
1245
1246 /* set Loop Back Address */
1247 LBA = runtime->dma_addr;
1248
1249 /* set interrupt count size */
1250 pvoice->count = runtime->period_size;
1251
1252 /* set target ESO for channel */
1253 pvoice->eso = runtime->buffer_size;
1254
5f1e6937 1255 dev_dbg(codec->card->dev, "playback_prepare: eso=%xh count=%xh\n",
f9ab2b1c 1256 pvoice->eso, pvoice->count);
1da177e4
LT		 1257
1258 /* set ESO to capture first MIDLP interrupt */
1259 ESO = pvoice->eso -1;
1260 /* set ctrl mode */
1261 CTRL = snd_ali_control_mode(substream);
1262
1263 GVSEL = 1;
1264 PAN = 0;
1265 VOL = 0;
1266 EC = 0;
5f1e6937
TI		 1267 dev_dbg(codec->card->dev, "playback_prepare:\n");
1268 dev_dbg(codec->card->dev,
1269 "ch=%d, Rate=%d Delta=%xh,GVSEL=%xh,PAN=%xh,CTRL=%xh\n",
f9ab2b1c
TI		 1270 pvoice->number,runtime->rate,Delta,GVSEL,PAN,CTRL);
1271 snd_ali_write_voice_regs(codec,
1272 pvoice->number,
1273 LBA,
1274 0, /* cso */
1275 ESO,
1276 Delta,
1277 0, /* alpha */
1278 GVSEL,
1279 PAN,
1280 VOL,
1281 CTRL,
1282 EC);
27043642 1283 if (evoice) {
1da177e4
LT		 1284 evoice->count = pvoice->count;
1285 evoice->eso = pvoice->count << 1;
1286 ESO = evoice->eso - 1;
1287 snd_ali_write_voice_regs(codec,
f9ab2b1c
TI		 1288 evoice->number,
1289 LBA,
1290 0, /* cso */
1291 ESO,
1292 Delta,
1293 0, /* alpha */
1294 GVSEL,
1295 0x7f,
1296 0x3ff,
1297 CTRL,
1298 EC);
1da177e4 1299 }
755e1371 1300 spin_unlock_irq(&codec->reg_lock);
1da177e4
LT		 1301 return 0;
1302}
1303
1304
d1fabd9c 1305static int snd_ali_prepare(struct snd_pcm_substream *substream)
1da177e4 1306{
d1fabd9c
TI		 1307 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1308 struct snd_pcm_runtime *runtime = substream->runtime;
1309 struct snd_ali_voice *pvoice = runtime->private_data;
1da177e4
LT		 1310 unsigned int LBA;
1311 unsigned int Delta;
1312 unsigned int ESO;
1313 unsigned int CTRL;
1314 unsigned int GVSEL;
1315 unsigned int PAN;
1316 unsigned int VOL;
1317 unsigned int EC;
1318 u8 bValue;
1319
755e1371 1320 spin_lock_irq(&codec->reg_lock);
1da177e4 1321
5f1e6937 1322 dev_dbg(codec->card->dev, "ali_prepare...\n");
1da177e4
LT		 1323
1324 snd_ali_enable_special_channel(codec,pvoice->number);
1325
5cbff89c
SK		 1326 Delta = (pvoice->number == ALI_MODEM_IN_CHANNEL ||
1327 pvoice->number == ALI_MODEM_OUT_CHANNEL) ?
1328 0x1000 : snd_ali_convert_rate(runtime->rate, pvoice->mode);
1da177e4 1329
f9ab2b1c 1330 /* Prepare capture intr channel */
1da177e4
LT		 1331 if (pvoice->number == ALI_SPDIF_IN_CHANNEL) {
1332
1333 unsigned int rate;
1334
755e1371
TI		 1335 spin_unlock_irq(&codec->reg_lock);
1336 if (codec->revision != ALI_5451_V02)
1da177e4 1337 return -1;
755e1371 1338
1da177e4
LT		 1339 rate = snd_ali_get_spdif_in_rate(codec);
1340 if (rate == 0) {
5f1e6937
TI		 1341 dev_warn(codec->card->dev,
1342 "ali_capture_preapre: spdif rate detect err!\n");
1da177e4
LT		 1343 rate = 48000;
1344 }
755e1371 1345 spin_lock_irq(&codec->reg_lock);
1da177e4
LT		 1346 bValue = inb(ALI_REG(codec,ALI_SPDIF_CTRL));
1347 if (bValue & 0x10) {
1348 outb(bValue,ALI_REG(codec,ALI_SPDIF_CTRL));
5f1e6937
TI		 1349 dev_warn(codec->card->dev,
1350 "clear SPDIF parity error flag.\n");
1da177e4
LT		 1351 }
1352
1353 if (rate != 48000)
f9ab2b1c 1354 Delta = ((rate << 12) / runtime->rate) & 0x00ffff;
1da177e4
LT		 1355 }
1356
f9ab2b1c 1357 /* set target ESO for channel */
1da177e4
LT		 1358 pvoice->eso = runtime->buffer_size;
1359
f9ab2b1c 1360 /* set interrupt count size */
1da177e4
LT		 1361 pvoice->count = runtime->period_size;
1362
f9ab2b1c 1363 /* set Loop Back Address */
1da177e4
LT		 1364 LBA = runtime->dma_addr;
1365
f9ab2b1c 1366 /* set ESO to capture first MIDLP interrupt */
1da177e4
LT		 1367 ESO = pvoice->eso - 1;
1368 CTRL = snd_ali_control_mode(substream);
1369 GVSEL = 0;
1370 PAN = 0x00;
1371 VOL = 0x00;
1372 EC = 0;
1373
1374 snd_ali_write_voice_regs( codec,
1375 pvoice->number,
1376 LBA,
1377 0, /* cso */
1378 ESO,
1379 Delta,
1380 0, /* alpha */
1381 GVSEL,
1382 PAN,
1383 VOL,
1384 CTRL,
1385 EC);
1386
755e1371 1387 spin_unlock_irq(&codec->reg_lock);
1da177e4
LT		 1388
1389 return 0;
1390}
1391
1392
f9ab2b1c
TI		 1393static snd_pcm_uframes_t
1394snd_ali_playback_pointer(struct snd_pcm_substream *substream)
1da177e4 1395{
d1fabd9c
TI		 1396 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1397 struct snd_pcm_runtime *runtime = substream->runtime;
1398 struct snd_ali_voice *pvoice = runtime->private_data;
1da177e4
LT		 1399 unsigned int cso;
1400
1401 spin_lock(&codec->reg_lock);
1402 if (!pvoice->running) {
1403 spin_unlock(&codec->reg_lock);
1404 return 0;
1405 }
1406 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1407 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1408 spin_unlock(&codec->reg_lock);
5f1e6937 1409 dev_dbg(codec->card->dev, "playback pointer returned cso=%xh.\n", cso);
1da177e4
LT		 1410
1411 return cso;
1412}
1413
1414
d1fabd9c 1415static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream)
1da177e4 1416{
d1fabd9c
TI		 1417 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1418 struct snd_pcm_runtime *runtime = substream->runtime;
1419 struct snd_ali_voice *pvoice = runtime->private_data;
1da177e4 1420 unsigned int cso;
1da177e4 1421
755e1371 1422 spin_lock(&codec->reg_lock);
1da177e4 1423 if (!pvoice->running) {
dacae5a1 1424 spin_unlock(&codec->reg_lock);
1da177e4
LT		 1425 return 0;
1426 }
1427 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1428 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
755e1371 1429 spin_unlock(&codec->reg_lock);
1da177e4
LT		 1430
1431 return cso;
1432}
1433
d1fabd9c 1434static struct snd_pcm_hardware snd_ali_playback =
1da177e4 1435{
f9ab2b1c
TI		 1436 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1437 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1438 SNDRV_PCM_INFO_MMAP_VALID |
1439 SNDRV_PCM_INFO_RESUME |
1440 SNDRV_PCM_INFO_SYNC_START),
1441 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1442 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1443 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1da177e4
LT		 1444 .rate_min = 4000,
1445 .rate_max = 48000,
1446 .channels_min = 1,
1447 .channels_max = 2,
1448 .buffer_bytes_max = (256*1024),
1449 .period_bytes_min = 64,
1450 .period_bytes_max = (256*1024),
1451 .periods_min = 1,
1452 .periods_max = 1024,
1453 .fifo_size = 0,
1454};
1455
1456/*
1457 * Capture support device description
1458 */
1459
d1fabd9c 1460static struct snd_pcm_hardware snd_ali_capture =
1da177e4 1461{
f9ab2b1c
TI		 1462 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1463 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1464 SNDRV_PCM_INFO_MMAP_VALID |
1465 SNDRV_PCM_INFO_RESUME |
1466 SNDRV_PCM_INFO_SYNC_START),
1467 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1468 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1469 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1da177e4
LT		 1470 .rate_min = 4000,
1471 .rate_max = 48000,
1472 .channels_min = 1,
1473 .channels_max = 2,
1474 .buffer_bytes_max = (128*1024),
1475 .period_bytes_min = 64,
1476 .period_bytes_max = (128*1024),
1477 .periods_min = 1,
1478 .periods_max = 1024,
1479 .fifo_size = 0,
1480};
1481
d1fabd9c 1482static void snd_ali_pcm_free_substream(struct snd_pcm_runtime *runtime)
1da177e4 1483{
d1fabd9c
TI		 1484 struct snd_ali_voice *pvoice = runtime->private_data;
1485 struct snd_ali *codec;
1da177e4
LT		 1486
1487 if (pvoice) {
1488 codec = pvoice->codec;
1da177e4 1489 snd_ali_free_voice(pvoice->codec, pvoice);
1da177e4
LT		 1490 }
1491}
1492
f9ab2b1c
TI		 1493static int snd_ali_open(struct snd_pcm_substream *substream, int rec,
1494 int channel, struct snd_pcm_hardware *phw)
1da177e4 1495{
d1fabd9c
TI		 1496 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1497 struct snd_pcm_runtime *runtime = substream->runtime;
1498 struct snd_ali_voice *pvoice;
1da177e4 1499
f9ab2b1c
TI		 1500 pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, rec,
1501 channel);
1502 if (!pvoice)
1da177e4 1503 return -EAGAIN;
1da177e4
LT		 1504
1505 pvoice->substream = substream;
1506 runtime->private_data = pvoice;
1507 runtime->private_free = snd_ali_pcm_free_substream;
1508
5cbff89c 1509 runtime->hw = *phw;
1da177e4 1510 snd_pcm_set_sync(substream);
f9ab2b1c
TI		 1511 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
1512 0, 64*1024);
1da177e4
LT		 1513 return 0;
1514}
1515
d1fabd9c 1516static int snd_ali_playback_open(struct snd_pcm_substream *substream)
5cbff89c
SK		 1517{
1518 return snd_ali_open(substream, 0, -1, &snd_ali_playback);
1519}
1da177e4 1520
d1fabd9c 1521static int snd_ali_capture_open(struct snd_pcm_substream *substream)
1da177e4 1522{
5cbff89c 1523 return snd_ali_open(substream, 1, -1, &snd_ali_capture);
1da177e4
LT		 1524}
1525
d1fabd9c 1526static int snd_ali_playback_close(struct snd_pcm_substream *substream)
1da177e4
LT		 1527{
1528 return 0;
1529}
1530
d1fabd9c 1531static int snd_ali_close(struct snd_pcm_substream *substream)
1da177e4 1532{
d1fabd9c
TI		 1533 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1534 struct snd_ali_voice *pvoice = substream->runtime->private_data;
1da177e4
LT		 1535
1536 snd_ali_disable_special_channel(codec,pvoice->number);
1537
1538 return 0;
1539}
1540
d1fabd9c 1541static struct snd_pcm_ops snd_ali_playback_ops = {
1da177e4
LT		 1542 .open = snd_ali_playback_open,
1543 .close = snd_ali_playback_close,
f9ab2b1c 1544 .ioctl = snd_pcm_lib_ioctl,
1da177e4
LT		 1545 .hw_params = snd_ali_playback_hw_params,
1546 .hw_free = snd_ali_playback_hw_free,
1547 .prepare = snd_ali_playback_prepare,
1548 .trigger = snd_ali_trigger,
1549 .pointer = snd_ali_playback_pointer,
1550};
1551
d1fabd9c 1552static struct snd_pcm_ops snd_ali_capture_ops = {
1da177e4 1553 .open = snd_ali_capture_open,
5cbff89c 1554 .close = snd_ali_close,
f9ab2b1c 1555 .ioctl = snd_pcm_lib_ioctl,
5cbff89c
SK		 1556 .hw_params = snd_ali_hw_params,
1557 .hw_free = snd_ali_hw_free,
1558 .prepare = snd_ali_prepare,
1559 .trigger = snd_ali_trigger,
1560 .pointer = snd_ali_pointer,
1561};
1562
1563/*
1564 * Modem PCM
1565 */
1566
d1fabd9c
TI		 1567static int snd_ali_modem_hw_params(struct snd_pcm_substream *substream,
1568 struct snd_pcm_hw_params *hw_params)
5cbff89c 1569{
d1fabd9c 1570 struct snd_ali *chip = snd_pcm_substream_chip(substream);
5cbff89c 1571 unsigned int modem_num = chip->num_of_codecs - 1;
f9ab2b1c
TI		 1572 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_RATE,
1573 params_rate(hw_params));
5cbff89c
SK		 1574 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_LEVEL, 0);
1575 return snd_ali_hw_params(substream, hw_params);
1576}
1577
d1fabd9c 1578static struct snd_pcm_hardware snd_ali_modem =
5cbff89c 1579{
f9ab2b1c
TI		 1580 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1581 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1582 SNDRV_PCM_INFO_MMAP_VALID |
1583 SNDRV_PCM_INFO_RESUME |
1584 SNDRV_PCM_INFO_SYNC_START),
1585 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1586 .rates = (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000 |
1587 SNDRV_PCM_RATE_16000),
5cbff89c
SK		 1588 .rate_min = 8000,
1589 .rate_max = 16000,
1590 .channels_min = 1,
1591 .channels_max = 1,
1592 .buffer_bytes_max = (256*1024),
1593 .period_bytes_min = 64,
1594 .period_bytes_max = (256*1024),
1595 .periods_min = 1,
1596 .periods_max = 1024,
1597 .fifo_size = 0,
1598};
1599
f9ab2b1c
TI		 1600static int snd_ali_modem_open(struct snd_pcm_substream *substream, int rec,
1601 int channel)
5cbff89c 1602{
f9ab2b1c 1603 static unsigned int rates[] = {8000, 9600, 12000, 16000};
d1fabd9c 1604 static struct snd_pcm_hw_constraint_list hw_constraint_rates = {
5cbff89c
SK		 1605 .count = ARRAY_SIZE(rates),
1606 .list = rates,
1607 .mask = 0,
1608 };
1609 int err = snd_ali_open(substream, rec, channel, &snd_ali_modem);
f9ab2b1c 1610
5cbff89c
SK		 1611 if (err)
1612 return err;
1613 return snd_pcm_hw_constraint_list(substream->runtime, 0,
1614 SNDRV_PCM_HW_PARAM_RATE, &hw_constraint_rates);
1615}
1616
d1fabd9c 1617static int snd_ali_modem_playback_open(struct snd_pcm_substream *substream)
5cbff89c
SK		 1618{
1619 return snd_ali_modem_open(substream, 0, ALI_MODEM_OUT_CHANNEL);
1620}
1621
d1fabd9c 1622static int snd_ali_modem_capture_open(struct snd_pcm_substream *substream)
5cbff89c
SK		 1623{
1624 return snd_ali_modem_open(substream, 1, ALI_MODEM_IN_CHANNEL);
1625}
1626
d1fabd9c 1627static struct snd_pcm_ops snd_ali_modem_playback_ops = {
5cbff89c
SK		 1628 .open = snd_ali_modem_playback_open,
1629 .close = snd_ali_close,
1630 .ioctl = snd_pcm_lib_ioctl,
1631 .hw_params = snd_ali_modem_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
d1fabd9c 1638static struct snd_pcm_ops snd_ali_modem_capture_ops = {
5cbff89c
SK		 1639 .open = snd_ali_modem_capture_open,
1640 .close = snd_ali_close,
1641 .ioctl = snd_pcm_lib_ioctl,
1642 .hw_params = snd_ali_modem_hw_params,
1643 .hw_free = snd_ali_hw_free,
1644 .prepare = snd_ali_prepare,
1da177e4 1645 .trigger = snd_ali_trigger,
5cbff89c
SK		 1646 .pointer = snd_ali_pointer,
1647};
1648
1649
1650struct ali_pcm_description {
1651 char *name;
1652 unsigned int playback_num;
1653 unsigned int capture_num;
d1fabd9c
TI		 1654 struct snd_pcm_ops *playback_ops;
1655 struct snd_pcm_ops *capture_ops;
6632d198 1656 unsigned short class;
1da177e4
LT		 1657};
1658
1659
d1fabd9c 1660static void snd_ali_pcm_free(struct snd_pcm *pcm)
1da177e4 1661{
d1fabd9c 1662 struct snd_ali *codec = pcm->private_data;
5cbff89c 1663 codec->pcm[pcm->device] = NULL;
1da177e4
LT		 1664}
1665
5cbff89c 1666
e23e7a14
BP		 1667static int snd_ali_pcm(struct snd_ali *codec, int device,
1668 struct ali_pcm_description *desc)
1da177e4 1669{
d1fabd9c 1670 struct snd_pcm *pcm;
1da177e4
LT		 1671 int err;
1672
5cbff89c
SK		 1673 err = snd_pcm_new(codec->card, desc->name, device,
1674 desc->playback_num, desc->capture_num, &pcm);
1da177e4 1675 if (err < 0) {
5f1e6937
TI		 1676 dev_err(codec->card->dev,
1677 "snd_ali_pcm: err called snd_pcm_new.\n");
1da177e4
LT		 1678 return err;
1679 }
1680 pcm->private_data = codec;
1681 pcm->private_free = snd_ali_pcm_free;
5cbff89c 1682 if (desc->playback_ops)
f9ab2b1c
TI		 1683 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1684 desc->playback_ops);
5cbff89c 1685 if (desc->capture_ops)
f9ab2b1c
TI		 1686 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1687 desc->capture_ops);
1da177e4
LT		 1688
1689 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
f9ab2b1c
TI		 1690 snd_dma_pci_data(codec->pci),
1691 64*1024, 128*1024);
1da177e4
LT		 1692
1693 pcm->info_flags = 0;
6632d198 1694 pcm->dev_class = desc->class;
1da177e4 1695 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
5cbff89c
SK		 1696 strcpy(pcm->name, desc->name);
1697 codec->pcm[0] = pcm;
1da177e4
LT		 1698 return 0;
1699}
1700
a53fc188 1701static struct ali_pcm_description ali_pcms[] = {
f9ab2b1c
TI		 1702 { .name = "ALI 5451",
1703 .playback_num = ALI_CHANNELS,
1704 .capture_num = 1,
1705 .playback_ops = &snd_ali_playback_ops,
1706 .capture_ops = &snd_ali_capture_ops
1707 },
1708 { .name = "ALI 5451 modem",
1709 .playback_num = 1,
1710 .capture_num = 1,
1711 .playback_ops = &snd_ali_modem_playback_ops,
1712 .capture_ops = &snd_ali_modem_capture_ops,
1713 .class = SNDRV_PCM_CLASS_MODEM
1714 }
5cbff89c
SK		 1715};
1716
e23e7a14 1717static int snd_ali_build_pcms(struct snd_ali *codec)
5cbff89c
SK		 1718{
1719 int i, err;
f9ab2b1c
TI		 1720 for (i = 0; i < codec->num_of_codecs && i < ARRAY_SIZE(ali_pcms); i++) {
1721 err = snd_ali_pcm(codec, i, &ali_pcms[i]);
1722 if (err < 0)
5cbff89c 1723 return err;
f9ab2b1c 1724 }
5cbff89c
SK		 1725 return 0;
1726}
1727
1728
1da177e4
LT		 1729#define ALI5451_SPDIF(xname, xindex, value) \
1730{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
1731.info = snd_ali5451_spdif_info, .get = snd_ali5451_spdif_get, \
1732.put = snd_ali5451_spdif_put, .private_value = value}
1733
a5ce8890 1734#define snd_ali5451_spdif_info snd_ctl_boolean_mono_info
1da177e4 1735
f9ab2b1c
TI		 1736static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol,
1737 struct snd_ctl_elem_value *ucontrol)
1da177e4 1738{
d1fabd9c 1739 struct snd_ali *codec = kcontrol->private_data;
c74056d4 1740 unsigned int spdif_enable;
1da177e4 1741
c74056d4 1742 spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0;
1da177e4 1743
755e1371 1744 spin_lock_irq(&codec->reg_lock);
f9ab2b1c 1745 switch (kcontrol->private_value) {
1da177e4 1746 case 0:
c74056d4 1747 spdif_enable = (codec->spdif_mask & 0x02) ? 1 : 0;
1da177e4
LT		 1748 break;
1749 case 1:
c74056d4 1750 spdif_enable = ((codec->spdif_mask & 0x02) &&
f9ab2b1c 1751 (codec->spdif_mask & 0x04)) ? 1 : 0;
1da177e4
LT		 1752 break;
1753 case 2:
c74056d4 1754 spdif_enable = (codec->spdif_mask & 0x01) ? 1 : 0;
1da177e4
LT		 1755 break;
1756 default:
1757 break;
1758 }
c74056d4 1759 ucontrol->value.integer.value[0] = spdif_enable;
755e1371 1760 spin_unlock_irq(&codec->reg_lock);
1da177e4
LT		 1761 return 0;
1762}
1763
f9ab2b1c
TI		 1764static int snd_ali5451_spdif_put(struct snd_kcontrol *kcontrol,
1765 struct snd_ctl_elem_value *ucontrol)
1da177e4 1766{
d1fabd9c 1767 struct snd_ali *codec = kcontrol->private_data;
c74056d4 1768 unsigned int change = 0, spdif_enable = 0;
1da177e4 1769
c74056d4 1770 spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0;
1da177e4 1771
755e1371 1772 spin_lock_irq(&codec->reg_lock);
1da177e4
LT		 1773 switch (kcontrol->private_value) {
1774 case 0:
1775 change = (codec->spdif_mask & 0x02) ? 1 : 0;
c74056d4 1776 change = change ^ spdif_enable;
1da177e4 1777 if (change) {
c74056d4 1778 if (spdif_enable) {
1da177e4
LT		 1779 codec->spdif_mask |= 0x02;
1780 snd_ali_enable_spdif_out(codec);
1781 } else {
1782 codec->spdif_mask &= ~(0x02);
1783 codec->spdif_mask &= ~(0x04);
1784 snd_ali_disable_spdif_out(codec);
1785 }
1786 }
1787 break;
1788 case 1:
1789 change = (codec->spdif_mask & 0x04) ? 1 : 0;
c74056d4 1790 change = change ^ spdif_enable;
1da177e4 1791 if (change && (codec->spdif_mask & 0x02)) {
c74056d4 1792 if (spdif_enable) {
1da177e4
LT		 1793 codec->spdif_mask |= 0x04;
1794 snd_ali_enable_spdif_chnout(codec);
1795 } else {
1796 codec->spdif_mask &= ~(0x04);
1797 snd_ali_disable_spdif_chnout(codec);
1798 }
1799 }
1800 break;
1801 case 2:
1802 change = (codec->spdif_mask & 0x01) ? 1 : 0;
c74056d4 1803 change = change ^ spdif_enable;
1da177e4 1804 if (change) {
c74056d4 1805 if (spdif_enable) {
1da177e4
LT		 1806 codec->spdif_mask |= 0x01;
1807 snd_ali_enable_spdif_in(codec);
1808 } else {
1809 codec->spdif_mask &= ~(0x01);
1810 snd_ali_disable_spdif_in(codec);
1811 }
1812 }
1813 break;
1814 default:
1815 break;
1816 }
755e1371 1817 spin_unlock_irq(&codec->reg_lock);
1da177e4
LT		 1818
1819 return change;
1820}
1821
e23e7a14 1822static struct snd_kcontrol_new snd_ali5451_mixer_spdif[] = {
1da177e4
LT		 1823 /* spdif aplayback switch */
1824 /* FIXME: "IEC958 Playback Switch" may conflict with one on ac97_codec */
10e8d78a 1825 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 0, 0),
1da177e4 1826 /* spdif out to spdif channel */
10e8d78a 1827 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Channel Output ",NONE,SWITCH), 0, 1),
1da177e4
LT		 1828 /* spdif in from spdif channel */
1829 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, 2)
1830};
1831
e23e7a14 1832static int snd_ali_mixer(struct snd_ali *codec)
1da177e4 1833{
d1fabd9c 1834 struct snd_ac97_template ac97;
1da177e4 1835 unsigned int idx;
5cbff89c 1836 int i, err;
d1fabd9c 1837 static struct snd_ac97_bus_ops ops = {
1da177e4
LT		 1838 .write = snd_ali_codec_write,
1839 .read = snd_ali_codec_read,
1840 };
1841
f9ab2b1c
TI		 1842 err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus);
1843 if (err < 0)
1da177e4 1844 return err;
1da177e4
LT		 1845
1846 memset(&ac97, 0, sizeof(ac97));
1847 ac97.private_data = codec;
5cbff89c 1848
f9ab2b1c 1849 for (i = 0; i < codec->num_of_codecs; i++) {
5cbff89c 1850 ac97.num = i;
f9ab2b1c
TI		 1851 err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97[i]);
1852 if (err < 0) {
5f1e6937 1853 dev_err(codec->card->dev,
f9ab2b1c
TI		 1854 "ali mixer %d creating error.\n", i);
1855 if (i == 0)
4d060fd1
TI		 1856 return err;
1857 codec->num_of_codecs = 1;
1858 break;
1859 }
5cbff89c
SK		 1860 }
1861
1da177e4 1862 if (codec->spdif_support) {
f9ab2b1c
TI		 1863 for (idx = 0; idx < ARRAY_SIZE(snd_ali5451_mixer_spdif); idx++) {
1864 err = snd_ctl_add(codec->card,
1865 snd_ctl_new1(&snd_ali5451_mixer_spdif[idx], codec));
1866 if (err < 0)
1867 return err;
1da177e4
LT		 1868 }
1869 }
1870 return 0;
1871}
1872
c7561cd8 1873#ifdef CONFIG_PM_SLEEP
68cb2b55 1874static int ali_suspend(struct device *dev)
1da177e4 1875{
68cb2b55
TI		 1876 struct pci_dev *pci = to_pci_dev(dev);
1877 struct snd_card *card = dev_get_drvdata(dev);
bf53c3b3 1878 struct snd_ali *chip = card->private_data;
d1fabd9c 1879 struct snd_ali_image *im;
1da177e4
LT		 1880 int i, j;
1881
1882 im = chip->image;
f9ab2b1c 1883 if (!im)
1da177e4
LT		 1884 return 0;
1885
bf53c3b3 1886 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
f9ab2b1c 1887 for (i = 0; i < chip->num_of_codecs; i++) {
bf53c3b3
TI		 1888 snd_pcm_suspend_all(chip->pcm[i]);
1889 snd_ac97_suspend(chip->ac97[i]);
5cbff89c 1890 }
1da177e4
LT		 1891
1892 spin_lock_irq(&chip->reg_lock);
1893
1894 im->regs[ALI_MISCINT >> 2] = inl(ALI_REG(chip, ALI_MISCINT));
f9ab2b1c 1895 /* im->regs[ALI_START >> 2] = inl(ALI_REG(chip, ALI_START)); */
1da177e4
LT		 1896 im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP));
1897
f9ab2b1c 1898 /* disable all IRQ bits */
1da177e4
LT		 1899 outl(0, ALI_REG(chip, ALI_MISCINT));
1900
1901 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
1902 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP))
1903 continue;
1904 im->regs[i] = inl(ALI_REG(chip, i*4));
1905 }
1906
1907 for (i = 0; i < ALI_CHANNELS; i++) {
1908 outb(i, ALI_REG(chip, ALI_GC_CIR));
1909 for (j = 0; j < ALI_CHANNEL_REGS; j++)
1910 im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0));
1911 }
1912
f9ab2b1c 1913 /* stop all HW channel */
1da177e4
LT		 1914 outl(0xffffffff, ALI_REG(chip, ALI_STOP));
1915
1916 spin_unlock_irq(&chip->reg_lock);
30b35399 1917
bf53c3b3
TI		 1918 pci_disable_device(pci);
1919 pci_save_state(pci);
68cb2b55 1920 pci_set_power_state(pci, PCI_D3hot);
1da177e4
LT		 1921 return 0;
1922}
1923
68cb2b55 1924static int ali_resume(struct device *dev)
1da177e4 1925{
68cb2b55
TI		 1926 struct pci_dev *pci = to_pci_dev(dev);
1927 struct snd_card *card = dev_get_drvdata(dev);
bf53c3b3 1928 struct snd_ali *chip = card->private_data;
d1fabd9c 1929 struct snd_ali_image *im;
1da177e4
LT		 1930 int i, j;
1931
1932 im = chip->image;
f9ab2b1c 1933 if (!im)
1da177e4
LT		 1934 return 0;
1935
30b35399 1936 pci_set_power_state(pci, PCI_D0);
bf53c3b3 1937 pci_restore_state(pci);
30b35399 1938 if (pci_enable_device(pci) < 0) {
5f1e6937 1939 dev_err(dev, "pci_enable_device failed, disabling device\n");
30b35399
TI		 1940 snd_card_disconnect(card);
1941 return -EIO;
1942 }
1943 pci_set_master(pci);
1da177e4
LT		 1944
1945 spin_lock_irq(&chip->reg_lock);
1946
1947 for (i = 0; i < ALI_CHANNELS; i++) {
1948 outb(i, ALI_REG(chip, ALI_GC_CIR));
1949 for (j = 0; j < ALI_CHANNEL_REGS; j++)
1950 outl(im->channel_regs[i][j], ALI_REG(chip, j*4 + 0xe0));
1951 }
1952
1953 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
f9ab2b1c
TI		 1954 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) ||
1955 (i*4 == ALI_START))
1da177e4
LT		 1956 continue;
1957 outl(im->regs[i], ALI_REG(chip, i*4));
1958 }
1959
f9ab2b1c 1960 /* start HW channel */
1da177e4 1961 outl(im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START));
f9ab2b1c 1962 /* restore IRQ enable bits */
1da177e4
LT		 1963 outl(im->regs[ALI_MISCINT >> 2], ALI_REG(chip, ALI_MISCINT));
1964
1965 spin_unlock_irq(&chip->reg_lock);
1966
f9ab2b1c 1967 for (i = 0 ; i < chip->num_of_codecs; i++)
bf53c3b3 1968 snd_ac97_resume(chip->ac97[i]);
1da177e4 1969
bf53c3b3 1970 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1da177e4
LT		 1971 return 0;
1972}
68cb2b55
TI		 1973
1974static SIMPLE_DEV_PM_OPS(ali_pm, ali_suspend, ali_resume);
1975#define ALI_PM_OPS &ali_pm
1976#else
1977#define ALI_PM_OPS NULL
c7561cd8 1978#endif /* CONFIG_PM_SLEEP */
1da177e4 1979
d1fabd9c 1980static int snd_ali_free(struct snd_ali * codec)
1da177e4
LT		 1981{
1982 if (codec->hw_initialized)
1983 snd_ali_disable_address_interrupt(codec);
f000fd80 1984 if (codec->irq >= 0)
437a5a46 1985 free_irq(codec->irq, codec);
1da177e4
LT		 1986 if (codec->port)
1987 pci_release_regions(codec->pci);
1988 pci_disable_device(codec->pci);
c7561cd8 1989#ifdef CONFIG_PM_SLEEP
1da177e4
LT		 1990 kfree(codec->image);
1991#endif
0dd119f7
JS		 1992 pci_dev_put(codec->pci_m1533);
1993 pci_dev_put(codec->pci_m7101);
1da177e4
LT		 1994 kfree(codec);
1995 return 0;
1996}
1997
d1fabd9c 1998static int snd_ali_chip_init(struct snd_ali *codec)
1da177e4
LT		 1999{
2000 unsigned int legacy;
2001 unsigned char temp;
f9ab2b1c 2002 struct pci_dev *pci_dev;
1da177e4 2003
5f1e6937 2004 dev_dbg(codec->card->dev, "chip initializing ...\n");
1da177e4
LT		 2005
2006 if (snd_ali_reset_5451(codec)) {
5f1e6937 2007 dev_err(codec->card->dev, "ali_chip_init: reset 5451 error.\n");
1da177e4
LT		 2008 return -1;
2009 }
2010
2011 if (codec->revision == ALI_5451_V02) {
2012 pci_dev = codec->pci_m1533;
2013 pci_read_config_byte(pci_dev, 0x59, &temp);
2014 temp |= 0x80;
2015 pci_write_config_byte(pci_dev, 0x59, temp);
2016
2017 pci_dev = codec->pci_m7101;
2018 pci_read_config_byte(pci_dev, 0xb8, &temp);
2019 temp |= 0x20;
2020 pci_write_config_byte(pci_dev, 0xB8, temp);
2021 }
2022
2023 pci_read_config_dword(codec->pci, 0x44, &legacy);
2024 legacy &= 0xff00ff00;
2025 legacy |= 0x000800aa;
2026 pci_write_config_dword(codec->pci, 0x44, legacy);
2027
2028 outl(0x80000001, ALI_REG(codec, ALI_GLOBAL_CONTROL));
2029 outl(0x00000000, ALI_REG(codec, ALI_AINTEN));
2030 outl(0xffffffff, ALI_REG(codec, ALI_AINT));
2031 outl(0x00000000, ALI_REG(codec, ALI_VOLUME));
2032 outb(0x10, ALI_REG(codec, ALI_MPUR2));
2033
2034 codec->ac97_ext_id = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_ID);
f9ab2b1c
TI		 2035 codec->ac97_ext_status = snd_ali_codec_peek(codec, 0,
2036 AC97_EXTENDED_STATUS);
1da177e4
LT		 2037 if (codec->spdif_support) {
2038 snd_ali_enable_spdif_out(codec);
2039 codec->spdif_mask = 0x00000002;
2040 }
2041
5cbff89c
SK		 2042 codec->num_of_codecs = 1;
2043
2044 /* secondary codec - modem */
2045 if (inl(ALI_REG(codec, ALI_SCTRL)) & ALI_SCTRL_CODEC2_READY) {
2046 codec->num_of_codecs++;
2047 outl(inl(ALI_REG(codec, ALI_SCTRL)) |
f9ab2b1c
TI		 2048 (ALI_SCTRL_LINE_IN2 | ALI_SCTRL_GPIO_IN2 |
2049 ALI_SCTRL_LINE_OUT_EN),
2050 ALI_REG(codec, ALI_SCTRL));
5cbff89c
SK		 2051 }
2052
5f1e6937 2053 dev_dbg(codec->card->dev, "chip initialize succeed.\n");
1da177e4
LT		 2054 return 0;
2055
2056}
2057
5cbff89c 2058/* proc for register dump */
f9ab2b1c
TI		 2059static void snd_ali_proc_read(struct snd_info_entry *entry,
2060 struct snd_info_buffer *buf)
5cbff89c 2061{
d1fabd9c 2062 struct snd_ali *codec = entry->private_data;
5cbff89c 2063 int i;
f9ab2b1c 2064 for (i = 0; i < 256 ; i+= 4)
5cbff89c
SK		 2065 snd_iprintf(buf, "%02x: %08x\n", i, inl(ALI_REG(codec, i)));
2066}
2067
e23e7a14 2068static void snd_ali_proc_init(struct snd_ali *codec)
5cbff89c 2069{
d1fabd9c 2070 struct snd_info_entry *entry;
f9ab2b1c 2071 if (!snd_card_proc_new(codec->card, "ali5451", &entry))
bf850204 2072 snd_info_set_text_ops(entry, codec, snd_ali_proc_read);
5cbff89c
SK		 2073}
2074
e23e7a14 2075static int snd_ali_resources(struct snd_ali *codec)
1da177e4
LT		 2076{
2077 int err;
2078
5f1e6937 2079 dev_dbg(codec->card->dev, "resources allocation ...\n");
f9ab2b1c
TI		 2080 err = pci_request_regions(codec->pci, "ALI 5451");
2081 if (err < 0)
1da177e4
LT		 2082 return err;
2083 codec->port = pci_resource_start(codec->pci, 0);
2084
437a5a46 2085 if (request_irq(codec->pci->irq, snd_ali_card_interrupt,
934c2b6d 2086 IRQF_SHARED, KBUILD_MODNAME, codec)) {
5f1e6937 2087 dev_err(codec->card->dev, "Unable to request irq.\n");
1da177e4
LT		 2088 return -EBUSY;
2089 }
2090 codec->irq = codec->pci->irq;
5f1e6937 2091 dev_dbg(codec->card->dev, "resources allocated.\n");
1da177e4
LT		 2092 return 0;
2093}
f9ab2b1c 2094static int snd_ali_dev_free(struct snd_device *device)
1da177e4 2095{
f9ab2b1c 2096 struct snd_ali *codec = device->device_data;
1da177e4
LT		 2097 snd_ali_free(codec);
2098 return 0;
2099}
2100
e23e7a14
BP		 2101static int snd_ali_create(struct snd_card *card,
2102 struct pci_dev *pci,
2103 int pcm_streams,
2104 int spdif_support,
2105 struct snd_ali **r_ali)
1da177e4 2106{
d1fabd9c 2107 struct snd_ali *codec;
1da177e4 2108 int i, err;
bf53c3b3
TI		 2109 unsigned short cmdw;
2110 static struct snd_device_ops ops = {
d1fabd9c 2111 .dev_free = snd_ali_dev_free,
1da177e4
LT		 2112 };
2113
2114 *r_ali = NULL;
2115
5f1e6937 2116 dev_dbg(card->dev, "creating ...\n");
1da177e4
LT		 2117
2118 /* enable PCI device */
f9ab2b1c
TI		 2119 err = pci_enable_device(pci);
2120 if (err < 0)
1da177e4
LT		 2121 return err;
2122 /* check, if we can restrict PCI DMA transfers to 31 bits */
929a22a5
YH		 2123 if (pci_set_dma_mask(pci, DMA_BIT_MASK(31)) < 0 ||
2124 pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(31)) < 0) {
5f1e6937
TI		 2125 dev_err(card->dev,
2126 "architecture does not support 31bit PCI busmaster DMA\n");
1da177e4
LT		 2127 pci_disable_device(pci);
2128 return -ENXIO;
2129 }
2130
f9ab2b1c
TI		 2131 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
2132 if (!codec) {
1da177e4
LT		 2133 pci_disable_device(pci);
2134 return -ENOMEM;
2135 }
2136
2137 spin_lock_init(&codec->reg_lock);
2138 spin_lock_init(&codec->voice_alloc);
2139
2140 codec->card = card;
2141 codec->pci = pci;
2142 codec->irq = -1;
44c10138 2143 codec->revision = pci->revision;
1da177e4
LT		 2144 codec->spdif_support = spdif_support;
2145
2146 if (pcm_streams < 1)
2147 pcm_streams = 1;
2148 if (pcm_streams > 32)
2149 pcm_streams = 32;
2150
2151 pci_set_master(pci);
2152 pci_read_config_word(pci, PCI_COMMAND, &cmdw);
2153 if ((cmdw & PCI_COMMAND_IO) != PCI_COMMAND_IO) {
2154 cmdw |= PCI_COMMAND_IO;
2155 pci_write_config_word(pci, PCI_COMMAND, cmdw);
2156 }
2157 pci_set_master(pci);
2158
2159 if (snd_ali_resources(codec)) {
2160 snd_ali_free(codec);
2161 return -EBUSY;
2162 }
2163
2164 synchronize_irq(pci->irq);
2165
2166 codec->synth.chmap = 0;
2167 codec->synth.chcnt = 0;
2168 codec->spdif_mask = 0;
2169 codec->synth.synthcount = 0;
2170
2171 if (codec->revision == ALI_5451_V02)
2172 codec->chregs.regs.ac97read = ALI_AC97_WRITE;
2173 else
2174 codec->chregs.regs.ac97read = ALI_AC97_READ;
2175 codec->chregs.regs.ac97write = ALI_AC97_WRITE;
2176
2177 codec->chregs.regs.start = ALI_START;
2178 codec->chregs.regs.stop = ALI_STOP;
2179 codec->chregs.regs.aint = ALI_AINT;
2180 codec->chregs.regs.ainten = ALI_AINTEN;
2181
2182 codec->chregs.data.start = 0x00;
2183 codec->chregs.data.stop = 0x00;
2184 codec->chregs.data.aint = 0x00;
2185 codec->chregs.data.ainten = 0x00;
2186
2187 /* M1533: southbridge */
bf53c3b3 2188 codec->pci_m1533 = pci_get_device(0x10b9, 0x1533, NULL);
f9ab2b1c 2189 if (!codec->pci_m1533) {
5f1e6937 2190 dev_err(card->dev, "cannot find ALi 1533 chip.\n");
1da177e4
LT		 2191 snd_ali_free(codec);
2192 return -ENODEV;
2193 }
2194 /* M7101: power management */
bf53c3b3 2195 codec->pci_m7101 = pci_get_device(0x10b9, 0x7101, NULL);
f9ab2b1c 2196 if (!codec->pci_m7101 && codec->revision == ALI_5451_V02) {
5f1e6937 2197 dev_err(card->dev, "cannot find ALi 7101 chip.\n");
1da177e4
LT		 2198 snd_ali_free(codec);
2199 return -ENODEV;
2200 }
2201
5f1e6937 2202 dev_dbg(card->dev, "snd_device_new is called.\n");
f9ab2b1c
TI		 2203 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops);
2204 if (err < 0) {
1da177e4
LT		 2205 snd_ali_free(codec);
2206 return err;
2207 }
2208
2209 /* initialise synth voices*/
f9ab2b1c 2210 for (i = 0; i < ALI_CHANNELS; i++)
1da177e4 2211 codec->synth.voices[i].number = i;
1da177e4 2212
f9ab2b1c
TI		 2213 err = snd_ali_chip_init(codec);
2214 if (err < 0) {
5f1e6937 2215 dev_err(card->dev, "ali create: chip init error.\n");
1da177e4
LT		 2216 return err;
2217 }
2218
c7561cd8 2219#ifdef CONFIG_PM_SLEEP
1da177e4 2220 codec->image = kmalloc(sizeof(*codec->image), GFP_KERNEL);
f9ab2b1c 2221 if (!codec->image)
5f1e6937 2222 dev_warn(card->dev, "can't allocate apm buffer\n");
1da177e4
LT		 2223#endif
2224
2225 snd_ali_enable_address_interrupt(codec);
2226 codec->hw_initialized = 1;
2227
2228 *r_ali = codec;
5f1e6937 2229 dev_dbg(card->dev, "created.\n");
1da177e4
LT		 2230 return 0;
2231}
2232
e23e7a14
BP		 2233static int snd_ali_probe(struct pci_dev *pci,
2234 const struct pci_device_id *pci_id)
1da177e4 2235{
d1fabd9c
TI		 2236 struct snd_card *card;
2237 struct snd_ali *codec;
1da177e4
LT		 2238 int err;
2239
5f1e6937 2240 dev_dbg(&pci->dev, "probe ...\n");
1da177e4 2241
60c5772b 2242 err = snd_card_new(&pci->dev, index, id, THIS_MODULE, 0, &card);
e58de7ba
TI		 2243 if (err < 0)
2244 return err;
1da177e4 2245
f9ab2b1c
TI		 2246 err = snd_ali_create(card, pci, pcm_channels, spdif, &codec);
2247 if (err < 0)
2248 goto error;
bf53c3b3 2249 card->private_data = codec;
1da177e4 2250
5f1e6937 2251 dev_dbg(&pci->dev, "mixer building ...\n");
f9ab2b1c
TI		 2252 err = snd_ali_mixer(codec);
2253 if (err < 0)
2254 goto error;
1da177e4 2255
5f1e6937 2256 dev_dbg(&pci->dev, "pcm building ...\n");
f9ab2b1c
TI		 2257 err = snd_ali_build_pcms(codec);
2258 if (err < 0)
2259 goto error;
1da177e4 2260
5cbff89c
SK		 2261 snd_ali_proc_init(codec);
2262
1da177e4
LT		 2263 strcpy(card->driver, "ALI5451");
2264 strcpy(card->shortname, "ALI 5451");
2265
ba8c3c37 2266 sprintf(card->longname, "%s at 0x%lx, irq %i",
1da177e4
LT		 2267 card->shortname, codec->port, codec->irq);
2268
5f1e6937 2269 dev_dbg(&pci->dev, "register card.\n");
f9ab2b1c
TI		 2270 err = snd_card_register(card);
2271 if (err < 0)
2272 goto error;
2273
1da177e4 2274 pci_set_drvdata(pci, card);
1da177e4 2275 return 0;
f9ab2b1c
TI		 2276
2277 error:
2278 snd_card_free(card);
2279 return err;
1da177e4
LT		 2280}
2281
e23e7a14 2282static void snd_ali_remove(struct pci_dev *pci)
1da177e4
LT		 2283{
2284 snd_card_free(pci_get_drvdata(pci));
1da177e4
LT		 2285}
2286
e9f66d9b 2287static struct pci_driver ali5451_driver = {
3733e424 2288 .name = KBUILD_MODNAME,
1da177e4
LT		 2289 .id_table = snd_ali_ids,
2290 .probe = snd_ali_probe,
e23e7a14 2291 .remove = snd_ali_remove,
68cb2b55
TI		 2292 .driver = {
2293 .pm = ALI_PM_OPS,
2294 },
1da177e4
LT		 2295};
2296
e9f66d9b 2297module_pci_driver(ali5451_driver);
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