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 <linux/io.h> 29#include <linux/delay.h> 30#include <linux/interrupt.h> 31#include <linux/init.h> 32#include <linux/pci.h> 33#include <linux/slab.h> 34#include <linux/module.h> 35#include <linux/dma-mapping.h> 36#include <sound/core.h> 37#include <sound/pcm.h> 38#include <sound/info.h> 39#include <sound/ac97_codec.h> 40#include <sound/mpu401.h> 41#include <sound/initval.h> 42 43MODULE_AUTHOR("Matt Wu <Matt_Wu@acersoftech.com.cn>"); 44MODULE_DESCRIPTION("ALI M5451"); 45MODULE_LICENSE("GPL"); 46MODULE_SUPPORTED_DEVICE("{{ALI,M5451,pci},{ALI,M5451}}"); 47 48static int index = SNDRV_DEFAULT_IDX1; /* Index */ 49static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ 50static int pcm_channels = 32; 51static bool spdif; 52 53module_param(index, int, 0444); 54MODULE_PARM_DESC(index, "Index value for ALI M5451 PCI Audio."); 55module_param(id, charp, 0444); 56MODULE_PARM_DESC(id, "ID string for ALI M5451 PCI Audio."); 57module_param(pcm_channels, int, 0444); 58MODULE_PARM_DESC(pcm_channels, "PCM Channels"); 59module_param(spdif, bool, 0444); 60MODULE_PARM_DESC(spdif, "Support SPDIF I/O"); 61 62/* just for backward compatibility */ 63static bool enable; 64module_param(enable, bool, 0444); 65 66 67/* 68 * Constants definition 69 */ 70 71#define DEVICE_ID_ALI5451 ((PCI_VENDOR_ID_AL<<16)|PCI_DEVICE_ID_AL_M5451) 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 83#define ALI_MODEM_IN_CHANNEL 21 84#define ALI_MODEM_OUT_CHANNEL 20 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 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 */ 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 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) 115#define ALI_AC97_GPIO 0x4c 116#define ALI_AC97_GPIO_ENABLE 0x8000 117#define ALI_AC97_GPIO_DATA_SHIFT 16 118#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 138 #define GPIO_IRQ 0x01000000 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) 157 158#define MAX_CODECS 2 159 160 161struct snd_ali; 162struct snd_ali_voice; 163 164struct snd_ali_channel_control { 165 /* register data */ 166 struct REGDATA { 167 unsigned int start; 168 unsigned int stop; 169 unsigned int aint; 170 unsigned int ainten; 171 } data; 172 173 /* register addresses */ 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; 182 183}; 184 185struct snd_ali_voice { 186 unsigned int number; 187 unsigned int use :1, 188 pcm :1, 189 midi :1, 190 mode :1, 191 synth :1, 192 running :1; 193 194 /* PCM data */ 195 struct snd_ali *codec; 196 struct snd_pcm_substream *substream; 197 struct snd_ali_voice *extra; 198 199 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 209struct snd_alidev { 210 211 struct snd_ali_voice voices[ALI_CHANNELS]; 212 213 unsigned int chcnt; /* num of opened channels */ 214 unsigned int chmap; /* bitmap for opened channels */ 215 unsigned int synthcount; 216 217}; 218 219 220#define ALI_GLOBAL_REGS 56 221#define ALI_CHANNEL_REGS 8 222struct snd_ali_image { 223 u32 regs[ALI_GLOBAL_REGS]; 224 u32 channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS]; 225}; 226 227 228struct snd_ali { 229 int irq; 230 unsigned long port; 231 unsigned char revision; 232 233 unsigned int hw_initialized :1; 234 unsigned int spdif_support :1; 235 236 struct pci_dev *pci; 237 struct pci_dev *pci_m1533; 238 struct pci_dev *pci_m7101; 239 240 struct snd_card *card; 241 struct snd_pcm *pcm[MAX_CODECS]; 242 struct snd_alidev synth; 243 struct snd_ali_channel_control chregs; 244 245 /* S/PDIF Mask */ 246 unsigned int spdif_mask; 247 248 unsigned int spurious_irq_count; 249 unsigned int spurious_irq_max_delta; 250 251 unsigned int num_of_codecs; 252 253 struct snd_ac97_bus *ac97_bus; 254 struct snd_ac97 *ac97[MAX_CODECS]; 255 unsigned short ac97_ext_id; 256 unsigned short ac97_ext_status; 257 258 spinlock_t reg_lock; 259 spinlock_t voice_alloc; 260 261#ifdef CONFIG_PM_SLEEP 262 struct snd_ali_image *image; 263#endif 264}; 265 266static const struct pci_device_id snd_ali_ids[] = { 267 {PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5451), 0, 0, 0}, 268 {0, } 269}; 270MODULE_DEVICE_TABLE(pci, snd_ali_ids); 271 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); 274static void snd_ali_codec_poke(struct snd_ali *, int, unsigned short, 275 unsigned short); 276 277/* 278 * AC97 ACCESS 279 */ 280 281static inline unsigned int snd_ali_5451_peek(struct snd_ali *codec, 282 unsigned int port) 283{ 284 return (unsigned int)inl(ALI_REG(codec, port)); 285} 286 287static inline void snd_ali_5451_poke(struct snd_ali *codec, 288 unsigned int port, 289 unsigned int val) 290{ 291 outl((unsigned int)val, ALI_REG(codec, port)); 292} 293 294static int snd_ali_codec_ready(struct snd_ali *codec, 295 unsigned int port) 296{ 297 unsigned long end_time; 298 unsigned int res; 299 300 end_time = jiffies + msecs_to_jiffies(250); 301 302 for (;;) { 303 res = snd_ali_5451_peek(codec,port); 304 if (!(res & 0x8000)) 305 return 0; 306 if (!time_after_eq(end_time, jiffies)) 307 break; 308 schedule_timeout_uninterruptible(1); 309 } 310 311 snd_ali_5451_poke(codec, port, res & ~0x8000); 312 dev_dbg(codec->card->dev, "ali_codec_ready: codec is not ready.\n "); 313 return -EIO; 314} 315 316static int snd_ali_stimer_ready(struct snd_ali *codec) 317{ 318 unsigned long end_time; 319 unsigned long dwChk1,dwChk2; 320 321 dwChk1 = snd_ali_5451_peek(codec, ALI_STIMER); 322 end_time = jiffies + msecs_to_jiffies(250); 323 324 for (;;) { 325 dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER); 326 if (dwChk2 != dwChk1) 327 return 0; 328 if (!time_after_eq(end_time, jiffies)) 329 break; 330 schedule_timeout_uninterruptible(1); 331 } 332 333 dev_err(codec->card->dev, "ali_stimer_read: stimer is not ready.\n"); 334 return -EIO; 335} 336 337static void snd_ali_codec_poke(struct snd_ali *codec,int secondary, 338 unsigned short reg, 339 unsigned short val) 340{ 341 unsigned int dwVal; 342 unsigned int port; 343 344 if (reg >= 0x80) { 345 dev_err(codec->card->dev, 346 "ali_codec_poke: reg(%xh) invalid.\n", reg); 347 return; 348 } 349 350 port = codec->chregs.regs.ac97write; 351 352 if (snd_ali_codec_ready(codec, port) < 0) 353 return; 354 if (snd_ali_stimer_ready(codec) < 0) 355 return; 356 357 dwVal = (unsigned int) (reg & 0xff); 358 dwVal |= 0x8000 | (val << 16); 359 if (secondary) 360 dwVal |= 0x0080; 361 if (codec->revision == ALI_5451_V02) 362 dwVal |= 0x0100; 363 364 snd_ali_5451_poke(codec, port, dwVal); 365 366 return ; 367} 368 369static unsigned short snd_ali_codec_peek(struct snd_ali *codec, 370 int secondary, 371 unsigned short reg) 372{ 373 unsigned int dwVal; 374 unsigned int port; 375 376 if (reg >= 0x80) { 377 dev_err(codec->card->dev, 378 "ali_codec_peek: reg(%xh) invalid.\n", reg); 379 return ~0; 380 } 381 382 port = codec->chregs.regs.ac97read; 383 384 if (snd_ali_codec_ready(codec, port) < 0) 385 return ~0; 386 if (snd_ali_stimer_ready(codec) < 0) 387 return ~0; 388 389 dwVal = (unsigned int) (reg & 0xff); 390 dwVal |= 0x8000; /* bit 15*/ 391 if (secondary) 392 dwVal |= 0x0080; 393 394 snd_ali_5451_poke(codec, port, dwVal); 395 396 if (snd_ali_stimer_ready(codec) < 0) 397 return ~0; 398 if (snd_ali_codec_ready(codec, port) < 0) 399 return ~0; 400 401 return (snd_ali_5451_peek(codec, port) & 0xffff0000) >> 16; 402} 403 404static void snd_ali_codec_write(struct snd_ac97 *ac97, 405 unsigned short reg, 406 unsigned short val ) 407{ 408 struct snd_ali *codec = ac97->private_data; 409 410 dev_dbg(codec->card->dev, "codec_write: reg=%xh data=%xh.\n", reg, val); 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)); 414 return; 415 } 416 snd_ali_codec_poke(codec, ac97->num, reg, val); 417 return ; 418} 419 420 421static unsigned short snd_ali_codec_read(struct snd_ac97 *ac97, 422 unsigned short reg) 423{ 424 struct snd_ali *codec = ac97->private_data; 425 426 dev_dbg(codec->card->dev, "codec_read reg=%xh.\n", reg); 427 return snd_ali_codec_peek(codec, ac97->num, reg); 428} 429 430/* 431 * AC97 Reset 432 */ 433 434static int snd_ali_reset_5451(struct snd_ali *codec) 435{ 436 struct pci_dev *pci_dev; 437 unsigned short wCount, wReg; 438 unsigned int dwVal; 439 440 pci_dev = codec->pci_m1533; 441 if (pci_dev) { 442 pci_read_config_dword(pci_dev, 0x7c, &dwVal); 443 pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000); 444 mdelay(5); 445 pci_read_config_dword(pci_dev, 0x7c, &dwVal); 446 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff); 447 mdelay(5); 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); 456 mdelay(5); 457 458 wCount = 200; 459 while(wCount--) { 460 wReg = snd_ali_codec_peek(codec, 0, AC97_POWERDOWN); 461 if ((wReg & 0x000f) == 0x000f) 462 return 0; 463 mdelay(5); 464 } 465 466 /* non-fatal if you have a non PM capable codec */ 467 /* dev_warn(codec->card->dev, "ali5451: reset time out\n"); */ 468 return 0; 469} 470 471/* 472 * ALI 5451 Controller 473 */ 474 475static void snd_ali_enable_special_channel(struct snd_ali *codec, 476 unsigned int channel) 477{ 478 unsigned long dwVal; 479 480 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 481 dwVal |= 1 << (channel & 0x0000001f); 482 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 483} 484 485static void snd_ali_disable_special_channel(struct snd_ali *codec, 486 unsigned int channel) 487{ 488 unsigned long dwVal; 489 490 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 491 dwVal &= ~(1 << (channel & 0x0000001f)); 492 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 493} 494 495static void snd_ali_enable_address_interrupt(struct snd_ali *codec) 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 505static void snd_ali_disable_address_interrupt(struct snd_ali *codec) 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 515static void snd_ali_disable_voice_irq(struct snd_ali *codec, 516 unsigned int channel) 517{ 518 unsigned int mask; 519 struct snd_ali_channel_control *pchregs = &(codec->chregs); 520 521 dev_dbg(codec->card->dev, "disable_voice_irq channel=%d\n", channel); 522 523 mask = 1 << (channel & 0x1f); 524 pchregs->data.ainten = inl(ALI_REG(codec, pchregs->regs.ainten)); 525 pchregs->data.ainten &= ~mask; 526 outl(pchregs->data.ainten, ALI_REG(codec, pchregs->regs.ainten)); 527} 528 529static int snd_ali_alloc_pcm_channel(struct snd_ali *codec, int channel) 530{ 531 unsigned int idx = channel & 0x1f; 532 533 if (codec->synth.chcnt >= ALI_CHANNELS){ 534 dev_err(codec->card->dev, 535 "ali_alloc_pcm_channel: no free channels.\n"); 536 return -1; 537 } 538 539 if (!(codec->synth.chmap & (1 << idx))) { 540 codec->synth.chmap |= 1 << idx; 541 codec->synth.chcnt++; 542 dev_dbg(codec->card->dev, "alloc_pcm_channel no. %d.\n", idx); 543 return idx; 544 } 545 return -1; 546} 547 548static int snd_ali_find_free_channel(struct snd_ali * codec, int rec) 549{ 550 int idx; 551 int result = -1; 552 553 dev_dbg(codec->card->dev, 554 "find_free_channel: for %s\n", rec ? "rec" : "pcm"); 555 556 /* recording */ 557 if (rec) { 558 if (codec->spdif_support && 559 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & 560 ALI_SPDIF_IN_SUPPORT)) 561 idx = ALI_SPDIF_IN_CHANNEL; 562 else 563 idx = ALI_PCM_IN_CHANNEL; 564 565 result = snd_ali_alloc_pcm_channel(codec, idx); 566 if (result >= 0) 567 return result; 568 else { 569 dev_err(codec->card->dev, 570 "ali_find_free_channel: record channel is busy now.\n"); 571 return -1; 572 } 573 } 574 575 /* playback... */ 576 if (codec->spdif_support && 577 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & 578 ALI_SPDIF_OUT_CH_ENABLE)) { 579 idx = ALI_SPDIF_OUT_CHANNEL; 580 result = snd_ali_alloc_pcm_channel(codec, idx); 581 if (result >= 0) 582 return result; 583 else 584 dev_err(codec->card->dev, 585 "ali_find_free_channel: S/PDIF out channel is in busy now.\n"); 586 } 587 588 for (idx = 0; idx < ALI_CHANNELS; idx++) { 589 result = snd_ali_alloc_pcm_channel(codec, idx); 590 if (result >= 0) 591 return result; 592 } 593 dev_err(codec->card->dev, "ali_find_free_channel: no free channels.\n"); 594 return -1; 595} 596 597static void snd_ali_free_channel_pcm(struct snd_ali *codec, int channel) 598{ 599 unsigned int idx = channel & 0x0000001f; 600 601 dev_dbg(codec->card->dev, "free_channel_pcm channel=%d\n", channel); 602 603 if (channel < 0 || channel >= ALI_CHANNELS) 604 return; 605 606 if (!(codec->synth.chmap & (1 << idx))) { 607 dev_err(codec->card->dev, 608 "ali_free_channel_pcm: channel %d is not in use.\n", 609 channel); 610 return; 611 } else { 612 codec->synth.chmap &= ~(1 << idx); 613 codec->synth.chcnt--; 614 } 615} 616 617static void snd_ali_stop_voice(struct snd_ali *codec, unsigned int channel) 618{ 619 unsigned int mask = 1 << (channel & 0x1f); 620 621 dev_dbg(codec->card->dev, "stop_voice: channel=%d\n", channel); 622 outl(mask, ALI_REG(codec, codec->chregs.regs.stop)); 623} 624 625/* 626 * S/PDIF Part 627 */ 628 629static void snd_ali_delay(struct snd_ali *codec,int interval) 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) { 637 if (snd_ali_stimer_ready(codec) < 0) 638 break; 639 currenttimer = inl(ALI_REG(codec, ALI_STIMER)); 640 cpu_relax(); 641 } 642} 643 644static void snd_ali_detect_spdif_rate(struct snd_ali *codec) 645{ 646 u16 wval; 647 u16 count = 0; 648 u8 bval, R1 = 0, R2; 649 650 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1)); 651 bval |= 0x1F; 652 outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL + 1)); 653 654 while ((R1 < 0x0b || R1 > 0x0e) && R1 != 0x12 && count <= 50000) { 655 count ++; 656 snd_ali_delay(codec, 6); 657 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1)); 658 R1 = bval & 0x1F; 659 } 660 661 if (count > 50000) { 662 dev_err(codec->card->dev, "ali_detect_spdif_rate: timeout!\n"); 663 return; 664 } 665 666 for (count = 0; count <= 50000; count++) { 667 snd_ali_delay(codec, 6); 668 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1)); 669 R2 = bval & 0x1F; 670 if (R2 != R1) 671 R1 = R2; 672 else 673 break; 674 } 675 676 if (count > 50000) { 677 dev_err(codec->card->dev, "ali_detect_spdif_rate: timeout!\n"); 678 return; 679 } 680 681 if (R2 >= 0x0b && R2 <= 0x0e) { 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)); 686 687 bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3)) & 0xf0; 688 outb(bval | 0x02, ALI_REG(codec, ALI_SPDIF_CS + 3)); 689 } else if (R2 == 0x12) { 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)); 694 695 bval = inb(ALI_REG(codec,ALI_SPDIF_CS + 3)) & 0xf0; 696 outb(bval | 0x03, ALI_REG(codec, ALI_SPDIF_CS + 3)); 697 } 698} 699 700static unsigned int snd_ali_get_spdif_in_rate(struct snd_ali *codec) 701{ 702 u32 dwRate; 703 u8 bval; 704 705 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); 706 bval &= 0x7f; 707 bval |= 0x40; 708 outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL)); 709 710 snd_ali_detect_spdif_rate(codec); 711 712 bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3)); 713 bval &= 0x0f; 714 715 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 } 721 722 return dwRate; 723} 724 725static void snd_ali_enable_spdif_in(struct snd_ali *codec) 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 740static void snd_ali_disable_spdif_in(struct snd_ali *codec) 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 752static void snd_ali_set_spdif_out_rate(struct snd_ali *codec, unsigned int rate) 753{ 754 unsigned char bVal; 755 unsigned int dwRate; 756 757 switch (rate) { 758 case 32000: dwRate = 0x300; break; 759 case 48000: dwRate = 0x200; break; 760 default: dwRate = 0; break; 761 } 762 763 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); 764 bVal &= (unsigned char)(~(1<<6)); 765 766 bVal |= 0x80; /* select right */ 767 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL)); 768 outb(dwRate | 0x20, ALI_REG(codec, ALI_SPDIF_CS + 2)); 769 770 bVal &= ~0x80; /* select left */ 771 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL)); 772 outw(rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2)); 773} 774 775static void snd_ali_enable_spdif_out(struct snd_ali *codec) 776{ 777 unsigned short wVal; 778 unsigned char bVal; 779 struct pci_dev *pci_dev; 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)); 801 802 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); 806} 807 808static void snd_ali_enable_spdif_chnout(struct snd_ali *codec) 809{ 810 unsigned short wVal; 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*/ 823 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL); 824} 825 826static void snd_ali_disable_spdif_chnout(struct snd_ali *codec) 827{ 828 unsigned short wVal; 829 830 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 837static void snd_ali_disable_spdif_out(struct snd_ali *codec) 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 847static void snd_ali_update_ptr(struct snd_ali *codec, int channel) 848{ 849 struct snd_ali_voice *pvoice; 850 struct snd_ali_channel_control *pchregs; 851 unsigned int old, mask; 852 853 pchregs = &(codec->chregs); 854 855 /* check if interrupt occurred for channel */ 856 old = pchregs->data.aint; 857 mask = 1U << (channel & 0x1f); 858 859 if (!(old & mask)) 860 return; 861 862 pvoice = &codec->synth.voices[channel]; 863 864 udelay(100); 865 spin_lock(&codec->reg_lock); 866 867 if (pvoice->pcm && pvoice->substream) { 868 /* pcm interrupt */ 869 if (pvoice->running) { 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); 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 895static irqreturn_t snd_ali_card_interrupt(int irq, void *dev_id) 896{ 897 struct snd_ali *codec = dev_id; 898 int channel; 899 unsigned int audio_int; 900 struct snd_ali_channel_control *pchregs; 901 902 if (codec == NULL || !codec->hw_initialized) 903 return IRQ_NONE; 904 905 audio_int = inl(ALI_REG(codec, ALI_MISCINT)); 906 if (!audio_int) 907 return IRQ_NONE; 908 909 pchregs = &(codec->chregs); 910 if (audio_int & ADDRESS_IRQ) { 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++) 914 snd_ali_update_ptr(codec, channel); 915 } 916 outl((TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW), 917 ALI_REG(codec, ALI_MISCINT)); 918 919 return IRQ_HANDLED; 920} 921 922 923static struct snd_ali_voice *snd_ali_alloc_voice(struct snd_ali * codec, 924 int type, int rec, int channel) 925{ 926 struct snd_ali_voice *pvoice; 927 int idx; 928 929 dev_dbg(codec->card->dev, "alloc_voice: type=%d rec=%d\n", type, rec); 930 931 spin_lock_irq(&codec->voice_alloc); 932 if (type == SNDRV_ALI_VOICE_TYPE_PCM) { 933 idx = channel > 0 ? snd_ali_alloc_pcm_channel(codec, channel) : 934 snd_ali_find_free_channel(codec,rec); 935 if (idx < 0) { 936 dev_err(codec->card->dev, "ali_alloc_voice: err.\n"); 937 spin_unlock_irq(&codec->voice_alloc); 938 return NULL; 939 } 940 pvoice = &(codec->synth.voices[idx]); 941 pvoice->codec = codec; 942 pvoice->use = 1; 943 pvoice->pcm = 1; 944 pvoice->mode = rec; 945 spin_unlock_irq(&codec->voice_alloc); 946 return pvoice; 947 } 948 spin_unlock_irq(&codec->voice_alloc); 949 return NULL; 950} 951 952 953static void snd_ali_free_voice(struct snd_ali * codec, 954 struct snd_ali_voice *pvoice) 955{ 956 void (*private_free)(void *); 957 void *private_data; 958 959 dev_dbg(codec->card->dev, "free_voice: channel=%d\n", pvoice->number); 960 if (!pvoice->use) 961 return; 962 snd_ali_clear_voices(codec, pvoice->number, pvoice->number); 963 spin_lock_irq(&codec->voice_alloc); 964 private_free = pvoice->private_free; 965 private_data = pvoice->private_data; 966 pvoice->private_free = NULL; 967 pvoice->private_data = NULL; 968 if (pvoice->pcm) 969 snd_ali_free_channel_pcm(codec, pvoice->number); 970 pvoice->use = pvoice->pcm = pvoice->synth = 0; 971 pvoice->substream = NULL; 972 spin_unlock_irq(&codec->voice_alloc); 973 if (private_free) 974 private_free(private_data); 975} 976 977 978static void snd_ali_clear_voices(struct snd_ali *codec, 979 unsigned int v_min, 980 unsigned int v_max) 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 990static void snd_ali_write_voice_regs(struct snd_ali *codec, 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 1005 outb((unsigned char)(Channel & 0x001f), ALI_REG(codec, ALI_GC_CIR)); 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 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)); 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 1031 if (rate < 4000) 1032 rate = 4000; 1033 if (rate > 48000) 1034 rate = 48000; 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 1059static unsigned int snd_ali_control_mode(struct snd_pcm_substream *substream) 1060{ 1061 unsigned int CTRL; 1062 struct snd_pcm_runtime *runtime = substream->runtime; 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) 1069 CTRL |= 0x00000008; /* 16-bit data */ 1070 if (!snd_pcm_format_unsigned(runtime->format)) 1071 CTRL |= 0x00000002; /* signed data */ 1072 if (runtime->channels > 1) 1073 CTRL |= 0x00000004; /* stereo data */ 1074 return CTRL; 1075} 1076 1077/* 1078 * PCM part 1079 */ 1080 1081static int snd_ali_trigger(struct snd_pcm_substream *substream, 1082 int cmd) 1083 1084{ 1085 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1086 struct snd_pcm_substream *s; 1087 unsigned int what, whati, capture_flag; 1088 struct snd_ali_voice *pvoice, *evoice; 1089 unsigned int val; 1090 int do_start; 1091 1092 switch (cmd) { 1093 case SNDRV_PCM_TRIGGER_START: 1094 case SNDRV_PCM_TRIGGER_RESUME: 1095 do_start = 1; 1096 break; 1097 case SNDRV_PCM_TRIGGER_STOP: 1098 case SNDRV_PCM_TRIGGER_SUSPEND: 1099 do_start = 0; 1100 break; 1101 default: 1102 return -EINVAL; 1103 } 1104 1105 what = whati = capture_flag = 0; 1106 snd_pcm_group_for_each_entry(s, substream) { 1107 if ((struct snd_ali *) snd_pcm_substream_chip(s) == codec) { 1108 pvoice = s->runtime->private_data; 1109 evoice = pvoice->extra; 1110 what |= 1 << (pvoice->number & 0x1f); 1111 if (evoice == NULL) 1112 whati |= 1 << (pvoice->number & 0x1f); 1113 else { 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); 1132 if (!do_start) 1133 outl(what, ALI_REG(codec, ALI_STOP)); 1134 val = inl(ALI_REG(codec, ALI_AINTEN)); 1135 if (do_start) 1136 val |= whati; 1137 else 1138 val &= ~whati; 1139 outl(val, ALI_REG(codec, ALI_AINTEN)); 1140 if (do_start) 1141 outl(what, ALI_REG(codec, ALI_START)); 1142 dev_dbg(codec->card->dev, "trigger: what=%xh whati=%xh\n", what, whati); 1143 spin_unlock(&codec->reg_lock); 1144 1145 return 0; 1146} 1147 1148static int snd_ali_playback_hw_params(struct snd_pcm_substream *substream, 1149 struct snd_pcm_hw_params *hw_params) 1150{ 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; 1155 int err; 1156 1157 err = snd_pcm_lib_malloc_pages(substream, 1158 params_buffer_bytes(hw_params)); 1159 if (err < 0) 1160 return err; 1161 1162 /* voice management */ 1163 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) 1171 return -ENOMEM; 1172 pvoice->extra = evoice; 1173 evoice->substream = substream; 1174 } 1175 } else { 1176 if (evoice) { 1177 snd_ali_free_voice(codec, evoice); 1178 pvoice->extra = evoice = NULL; 1179 } 1180 } 1181 1182 return 0; 1183} 1184 1185static int snd_ali_playback_hw_free(struct snd_pcm_substream *substream) 1186{ 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; 1191 1192 snd_pcm_lib_free_pages(substream); 1193 if (evoice) { 1194 snd_ali_free_voice(codec, evoice); 1195 pvoice->extra = NULL; 1196 } 1197 return 0; 1198} 1199 1200static int snd_ali_hw_params(struct snd_pcm_substream *substream, 1201 struct snd_pcm_hw_params *hw_params) 1202{ 1203 return snd_pcm_lib_malloc_pages(substream, 1204 params_buffer_bytes(hw_params)); 1205} 1206 1207static int snd_ali_hw_free(struct snd_pcm_substream *substream) 1208{ 1209 return snd_pcm_lib_free_pages(substream); 1210} 1211 1212static int snd_ali_playback_prepare(struct snd_pcm_substream *substream) 1213{ 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; 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 1228 dev_dbg(codec->card->dev, "playback_prepare ...\n"); 1229 1230 spin_lock_irq(&codec->reg_lock); 1231 1232 /* set Delta (rate) value */ 1233 Delta = snd_ali_convert_rate(runtime->rate, 0); 1234 1235 if (pvoice->number == ALI_SPDIF_IN_CHANNEL || 1236 pvoice->number == ALI_PCM_IN_CHANNEL) 1237 snd_ali_disable_special_channel(codec, pvoice->number); 1238 else if (codec->spdif_support && 1239 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & 1240 ALI_SPDIF_OUT_CH_ENABLE) 1241 && pvoice->number == ALI_SPDIF_OUT_CHANNEL) { 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 1255 dev_dbg(codec->card->dev, "playback_prepare: eso=%xh count=%xh\n", 1256 pvoice->eso, pvoice->count); 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; 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", 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); 1283 if (evoice) { 1284 evoice->count = pvoice->count; 1285 evoice->eso = pvoice->count << 1; 1286 ESO = evoice->eso - 1; 1287 snd_ali_write_voice_regs(codec, 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); 1299 } 1300 spin_unlock_irq(&codec->reg_lock); 1301 return 0; 1302} 1303 1304 1305static int snd_ali_prepare(struct snd_pcm_substream *substream) 1306{ 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; 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 1320 spin_lock_irq(&codec->reg_lock); 1321 1322 dev_dbg(codec->card->dev, "ali_prepare...\n"); 1323 1324 snd_ali_enable_special_channel(codec,pvoice->number); 1325 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); 1329 1330 /* Prepare capture intr channel */ 1331 if (pvoice->number == ALI_SPDIF_IN_CHANNEL) { 1332 1333 unsigned int rate; 1334 1335 spin_unlock_irq(&codec->reg_lock); 1336 if (codec->revision != ALI_5451_V02) 1337 return -1; 1338 1339 rate = snd_ali_get_spdif_in_rate(codec); 1340 if (rate == 0) { 1341 dev_warn(codec->card->dev, 1342 "ali_capture_preapre: spdif rate detect err!\n"); 1343 rate = 48000; 1344 } 1345 spin_lock_irq(&codec->reg_lock); 1346 bValue = inb(ALI_REG(codec,ALI_SPDIF_CTRL)); 1347 if (bValue & 0x10) { 1348 outb(bValue,ALI_REG(codec,ALI_SPDIF_CTRL)); 1349 dev_warn(codec->card->dev, 1350 "clear SPDIF parity error flag.\n"); 1351 } 1352 1353 if (rate != 48000) 1354 Delta = ((rate << 12) / runtime->rate) & 0x00ffff; 1355 } 1356 1357 /* set target ESO for channel */ 1358 pvoice->eso = runtime->buffer_size; 1359 1360 /* set interrupt count size */ 1361 pvoice->count = runtime->period_size; 1362 1363 /* set Loop Back Address */ 1364 LBA = runtime->dma_addr; 1365 1366 /* set ESO to capture first MIDLP interrupt */ 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 1387 spin_unlock_irq(&codec->reg_lock); 1388 1389 return 0; 1390} 1391 1392 1393static snd_pcm_uframes_t 1394snd_ali_playback_pointer(struct snd_pcm_substream *substream) 1395{ 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; 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); 1409 dev_dbg(codec->card->dev, "playback pointer returned cso=%xh.\n", cso); 1410 1411 return cso; 1412} 1413 1414 1415static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream) 1416{ 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; 1420 unsigned int cso; 1421 1422 spin_lock(&codec->reg_lock); 1423 if (!pvoice->running) { 1424 spin_unlock(&codec->reg_lock); 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)); 1429 spin_unlock(&codec->reg_lock); 1430 1431 return cso; 1432} 1433 1434static struct snd_pcm_hardware snd_ali_playback = 1435{ 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, 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 1460static struct snd_pcm_hardware snd_ali_capture = 1461{ 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, 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 1482static void snd_ali_pcm_free_substream(struct snd_pcm_runtime *runtime) 1483{ 1484 struct snd_ali_voice *pvoice = runtime->private_data; 1485 struct snd_ali *codec; 1486 1487 if (pvoice) { 1488 codec = pvoice->codec; 1489 snd_ali_free_voice(pvoice->codec, pvoice); 1490 } 1491} 1492 1493static int snd_ali_open(struct snd_pcm_substream *substream, int rec, 1494 int channel, struct snd_pcm_hardware *phw) 1495{ 1496 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1497 struct snd_pcm_runtime *runtime = substream->runtime; 1498 struct snd_ali_voice *pvoice; 1499 1500 pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, rec, 1501 channel); 1502 if (!pvoice) 1503 return -EAGAIN; 1504 1505 pvoice->substream = substream; 1506 runtime->private_data = pvoice; 1507 runtime->private_free = snd_ali_pcm_free_substream; 1508 1509 runtime->hw = *phw; 1510 snd_pcm_set_sync(substream); 1511 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 1512 0, 64*1024); 1513 return 0; 1514} 1515 1516static int snd_ali_playback_open(struct snd_pcm_substream *substream) 1517{ 1518 return snd_ali_open(substream, 0, -1, &snd_ali_playback); 1519} 1520 1521static int snd_ali_capture_open(struct snd_pcm_substream *substream) 1522{ 1523 return snd_ali_open(substream, 1, -1, &snd_ali_capture); 1524} 1525 1526static int snd_ali_playback_close(struct snd_pcm_substream *substream) 1527{ 1528 return 0; 1529} 1530 1531static int snd_ali_close(struct snd_pcm_substream *substream) 1532{ 1533 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1534 struct snd_ali_voice *pvoice = substream->runtime->private_data; 1535 1536 snd_ali_disable_special_channel(codec,pvoice->number); 1537 1538 return 0; 1539} 1540 1541static struct snd_pcm_ops snd_ali_playback_ops = { 1542 .open = snd_ali_playback_open, 1543 .close = snd_ali_playback_close, 1544 .ioctl = snd_pcm_lib_ioctl, 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 1552static struct snd_pcm_ops snd_ali_capture_ops = { 1553 .open = snd_ali_capture_open, 1554 .close = snd_ali_close, 1555 .ioctl = snd_pcm_lib_ioctl, 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 1567static int snd_ali_modem_hw_params(struct snd_pcm_substream *substream, 1568 struct snd_pcm_hw_params *hw_params) 1569{ 1570 struct snd_ali *chip = snd_pcm_substream_chip(substream); 1571 unsigned int modem_num = chip->num_of_codecs - 1; 1572 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_RATE, 1573 params_rate(hw_params)); 1574 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_LEVEL, 0); 1575 return snd_ali_hw_params(substream, hw_params); 1576} 1577 1578static struct snd_pcm_hardware snd_ali_modem = 1579{ 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), 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 1600static int snd_ali_modem_open(struct snd_pcm_substream *substream, int rec, 1601 int channel) 1602{ 1603 static unsigned int rates[] = {8000, 9600, 12000, 16000}; 1604 static struct snd_pcm_hw_constraint_list hw_constraint_rates = { 1605 .count = ARRAY_SIZE(rates), 1606 .list = rates, 1607 .mask = 0, 1608 }; 1609 int err = snd_ali_open(substream, rec, channel, &snd_ali_modem); 1610 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 1617static int snd_ali_modem_playback_open(struct snd_pcm_substream *substream) 1618{ 1619 return snd_ali_modem_open(substream, 0, ALI_MODEM_OUT_CHANNEL); 1620} 1621 1622static int snd_ali_modem_capture_open(struct snd_pcm_substream *substream) 1623{ 1624 return snd_ali_modem_open(substream, 1, ALI_MODEM_IN_CHANNEL); 1625} 1626 1627static struct snd_pcm_ops snd_ali_modem_playback_ops = { 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 1638static struct snd_pcm_ops snd_ali_modem_capture_ops = { 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, 1645 .trigger = snd_ali_trigger, 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; 1654 struct snd_pcm_ops *playback_ops; 1655 struct snd_pcm_ops *capture_ops; 1656 unsigned short class; 1657}; 1658 1659 1660static void snd_ali_pcm_free(struct snd_pcm *pcm) 1661{ 1662 struct snd_ali *codec = pcm->private_data; 1663 codec->pcm[pcm->device] = NULL; 1664} 1665 1666 1667static int snd_ali_pcm(struct snd_ali *codec, int device, 1668 struct ali_pcm_description *desc) 1669{ 1670 struct snd_pcm *pcm; 1671 int err; 1672 1673 err = snd_pcm_new(codec->card, desc->name, device, 1674 desc->playback_num, desc->capture_num, &pcm); 1675 if (err < 0) { 1676 dev_err(codec->card->dev, 1677 "snd_ali_pcm: err called snd_pcm_new.\n"); 1678 return err; 1679 } 1680 pcm->private_data = codec; 1681 pcm->private_free = snd_ali_pcm_free; 1682 if (desc->playback_ops) 1683 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1684 desc->playback_ops); 1685 if (desc->capture_ops) 1686 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, 1687 desc->capture_ops); 1688 1689 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 1690 snd_dma_pci_data(codec->pci), 1691 64*1024, 128*1024); 1692 1693 pcm->info_flags = 0; 1694 pcm->dev_class = desc->class; 1695 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1696 strcpy(pcm->name, desc->name); 1697 codec->pcm[0] = pcm; 1698 return 0; 1699} 1700 1701static struct ali_pcm_description ali_pcms[] = { 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 } 1715}; 1716 1717static int snd_ali_build_pcms(struct snd_ali *codec) 1718{ 1719 int i, err; 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) 1723 return err; 1724 } 1725 return 0; 1726} 1727 1728 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 1734#define snd_ali5451_spdif_info snd_ctl_boolean_mono_info 1735 1736static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol, 1737 struct snd_ctl_elem_value *ucontrol) 1738{ 1739 struct snd_ali *codec = kcontrol->private_data; 1740 unsigned int spdif_enable; 1741 1742 spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0; 1743 1744 spin_lock_irq(&codec->reg_lock); 1745 switch (kcontrol->private_value) { 1746 case 0: 1747 spdif_enable = (codec->spdif_mask & 0x02) ? 1 : 0; 1748 break; 1749 case 1: 1750 spdif_enable = ((codec->spdif_mask & 0x02) && 1751 (codec->spdif_mask & 0x04)) ? 1 : 0; 1752 break; 1753 case 2: 1754 spdif_enable = (codec->spdif_mask & 0x01) ? 1 : 0; 1755 break; 1756 default: 1757 break; 1758 } 1759 ucontrol->value.integer.value[0] = spdif_enable; 1760 spin_unlock_irq(&codec->reg_lock); 1761 return 0; 1762} 1763 1764static int snd_ali5451_spdif_put(struct snd_kcontrol *kcontrol, 1765 struct snd_ctl_elem_value *ucontrol) 1766{ 1767 struct snd_ali *codec = kcontrol->private_data; 1768 unsigned int change = 0, spdif_enable = 0; 1769 1770 spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0; 1771 1772 spin_lock_irq(&codec->reg_lock); 1773 switch (kcontrol->private_value) { 1774 case 0: 1775 change = (codec->spdif_mask & 0x02) ? 1 : 0; 1776 change = change ^ spdif_enable; 1777 if (change) { 1778 if (spdif_enable) { 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; 1790 change = change ^ spdif_enable; 1791 if (change && (codec->spdif_mask & 0x02)) { 1792 if (spdif_enable) { 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; 1803 change = change ^ spdif_enable; 1804 if (change) { 1805 if (spdif_enable) { 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 } 1817 spin_unlock_irq(&codec->reg_lock); 1818 1819 return change; 1820} 1821 1822static struct snd_kcontrol_new snd_ali5451_mixer_spdif[] = { 1823 /* spdif aplayback switch */ 1824 /* FIXME: "IEC958 Playback Switch" may conflict with one on ac97_codec */ 1825 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 0, 0), 1826 /* spdif out to spdif channel */ 1827 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Channel Output ",NONE,SWITCH), 0, 1), 1828 /* spdif in from spdif channel */ 1829 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, 2) 1830}; 1831 1832static int snd_ali_mixer(struct snd_ali *codec) 1833{ 1834 struct snd_ac97_template ac97; 1835 unsigned int idx; 1836 int i, err; 1837 static struct snd_ac97_bus_ops ops = { 1838 .write = snd_ali_codec_write, 1839 .read = snd_ali_codec_read, 1840 }; 1841 1842 err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus); 1843 if (err < 0) 1844 return err; 1845 1846 memset(&ac97, 0, sizeof(ac97)); 1847 ac97.private_data = codec; 1848 1849 for (i = 0; i < codec->num_of_codecs; i++) { 1850 ac97.num = i; 1851 err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97[i]); 1852 if (err < 0) { 1853 dev_err(codec->card->dev, 1854 "ali mixer %d creating error.\n", i); 1855 if (i == 0) 1856 return err; 1857 codec->num_of_codecs = 1; 1858 break; 1859 } 1860 } 1861 1862 if (codec->spdif_support) { 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; 1868 } 1869 } 1870 return 0; 1871} 1872 1873#ifdef CONFIG_PM_SLEEP 1874static int ali_suspend(struct device *dev) 1875{ 1876 struct snd_card *card = dev_get_drvdata(dev); 1877 struct snd_ali *chip = card->private_data; 1878 struct snd_ali_image *im; 1879 int i, j; 1880 1881 im = chip->image; 1882 if (!im) 1883 return 0; 1884 1885 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 1886 for (i = 0; i < chip->num_of_codecs; i++) { 1887 snd_pcm_suspend_all(chip->pcm[i]); 1888 snd_ac97_suspend(chip->ac97[i]); 1889 } 1890 1891 spin_lock_irq(&chip->reg_lock); 1892 1893 im->regs[ALI_MISCINT >> 2] = inl(ALI_REG(chip, ALI_MISCINT)); 1894 /* im->regs[ALI_START >> 2] = inl(ALI_REG(chip, ALI_START)); */ 1895 im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP)); 1896 1897 /* disable all IRQ bits */ 1898 outl(0, ALI_REG(chip, ALI_MISCINT)); 1899 1900 for (i = 0; i < ALI_GLOBAL_REGS; i++) { 1901 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP)) 1902 continue; 1903 im->regs[i] = inl(ALI_REG(chip, i*4)); 1904 } 1905 1906 for (i = 0; i < ALI_CHANNELS; i++) { 1907 outb(i, ALI_REG(chip, ALI_GC_CIR)); 1908 for (j = 0; j < ALI_CHANNEL_REGS; j++) 1909 im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0)); 1910 } 1911 1912 /* stop all HW channel */ 1913 outl(0xffffffff, ALI_REG(chip, ALI_STOP)); 1914 1915 spin_unlock_irq(&chip->reg_lock); 1916 return 0; 1917} 1918 1919static int ali_resume(struct device *dev) 1920{ 1921 struct snd_card *card = dev_get_drvdata(dev); 1922 struct snd_ali *chip = card->private_data; 1923 struct snd_ali_image *im; 1924 int i, j; 1925 1926 im = chip->image; 1927 if (!im) 1928 return 0; 1929 1930 spin_lock_irq(&chip->reg_lock); 1931 1932 for (i = 0; i < ALI_CHANNELS; i++) { 1933 outb(i, ALI_REG(chip, ALI_GC_CIR)); 1934 for (j = 0; j < ALI_CHANNEL_REGS; j++) 1935 outl(im->channel_regs[i][j], ALI_REG(chip, j*4 + 0xe0)); 1936 } 1937 1938 for (i = 0; i < ALI_GLOBAL_REGS; i++) { 1939 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) || 1940 (i*4 == ALI_START)) 1941 continue; 1942 outl(im->regs[i], ALI_REG(chip, i*4)); 1943 } 1944 1945 /* start HW channel */ 1946 outl(im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START)); 1947 /* restore IRQ enable bits */ 1948 outl(im->regs[ALI_MISCINT >> 2], ALI_REG(chip, ALI_MISCINT)); 1949 1950 spin_unlock_irq(&chip->reg_lock); 1951 1952 for (i = 0 ; i < chip->num_of_codecs; i++) 1953 snd_ac97_resume(chip->ac97[i]); 1954 1955 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 1956 return 0; 1957} 1958 1959static SIMPLE_DEV_PM_OPS(ali_pm, ali_suspend, ali_resume); 1960#define ALI_PM_OPS &ali_pm 1961#else 1962#define ALI_PM_OPS NULL 1963#endif /* CONFIG_PM_SLEEP */ 1964 1965static int snd_ali_free(struct snd_ali * codec) 1966{ 1967 if (codec->hw_initialized) 1968 snd_ali_disable_address_interrupt(codec); 1969 if (codec->irq >= 0) 1970 free_irq(codec->irq, codec); 1971 if (codec->port) 1972 pci_release_regions(codec->pci); 1973 pci_disable_device(codec->pci); 1974#ifdef CONFIG_PM_SLEEP 1975 kfree(codec->image); 1976#endif 1977 pci_dev_put(codec->pci_m1533); 1978 pci_dev_put(codec->pci_m7101); 1979 kfree(codec); 1980 return 0; 1981} 1982 1983static int snd_ali_chip_init(struct snd_ali *codec) 1984{ 1985 unsigned int legacy; 1986 unsigned char temp; 1987 struct pci_dev *pci_dev; 1988 1989 dev_dbg(codec->card->dev, "chip initializing ...\n"); 1990 1991 if (snd_ali_reset_5451(codec)) { 1992 dev_err(codec->card->dev, "ali_chip_init: reset 5451 error.\n"); 1993 return -1; 1994 } 1995 1996 if (codec->revision == ALI_5451_V02) { 1997 pci_dev = codec->pci_m1533; 1998 pci_read_config_byte(pci_dev, 0x59, &temp); 1999 temp |= 0x80; 2000 pci_write_config_byte(pci_dev, 0x59, temp); 2001 2002 pci_dev = codec->pci_m7101; 2003 pci_read_config_byte(pci_dev, 0xb8, &temp); 2004 temp |= 0x20; 2005 pci_write_config_byte(pci_dev, 0xB8, temp); 2006 } 2007 2008 pci_read_config_dword(codec->pci, 0x44, &legacy); 2009 legacy &= 0xff00ff00; 2010 legacy |= 0x000800aa; 2011 pci_write_config_dword(codec->pci, 0x44, legacy); 2012 2013 outl(0x80000001, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 2014 outl(0x00000000, ALI_REG(codec, ALI_AINTEN)); 2015 outl(0xffffffff, ALI_REG(codec, ALI_AINT)); 2016 outl(0x00000000, ALI_REG(codec, ALI_VOLUME)); 2017 outb(0x10, ALI_REG(codec, ALI_MPUR2)); 2018 2019 codec->ac97_ext_id = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_ID); 2020 codec->ac97_ext_status = snd_ali_codec_peek(codec, 0, 2021 AC97_EXTENDED_STATUS); 2022 if (codec->spdif_support) { 2023 snd_ali_enable_spdif_out(codec); 2024 codec->spdif_mask = 0x00000002; 2025 } 2026 2027 codec->num_of_codecs = 1; 2028 2029 /* secondary codec - modem */ 2030 if (inl(ALI_REG(codec, ALI_SCTRL)) & ALI_SCTRL_CODEC2_READY) { 2031 codec->num_of_codecs++; 2032 outl(inl(ALI_REG(codec, ALI_SCTRL)) | 2033 (ALI_SCTRL_LINE_IN2 | ALI_SCTRL_GPIO_IN2 | 2034 ALI_SCTRL_LINE_OUT_EN), 2035 ALI_REG(codec, ALI_SCTRL)); 2036 } 2037 2038 dev_dbg(codec->card->dev, "chip initialize succeed.\n"); 2039 return 0; 2040 2041} 2042 2043/* proc for register dump */ 2044static void snd_ali_proc_read(struct snd_info_entry *entry, 2045 struct snd_info_buffer *buf) 2046{ 2047 struct snd_ali *codec = entry->private_data; 2048 int i; 2049 for (i = 0; i < 256 ; i+= 4) 2050 snd_iprintf(buf, "%02x: %08x\n", i, inl(ALI_REG(codec, i))); 2051} 2052 2053static void snd_ali_proc_init(struct snd_ali *codec) 2054{ 2055 struct snd_info_entry *entry; 2056 if (!snd_card_proc_new(codec->card, "ali5451", &entry)) 2057 snd_info_set_text_ops(entry, codec, snd_ali_proc_read); 2058} 2059 2060static int snd_ali_resources(struct snd_ali *codec) 2061{ 2062 int err; 2063 2064 dev_dbg(codec->card->dev, "resources allocation ...\n"); 2065 err = pci_request_regions(codec->pci, "ALI 5451"); 2066 if (err < 0) 2067 return err; 2068 codec->port = pci_resource_start(codec->pci, 0); 2069 2070 if (request_irq(codec->pci->irq, snd_ali_card_interrupt, 2071 IRQF_SHARED, KBUILD_MODNAME, codec)) { 2072 dev_err(codec->card->dev, "Unable to request irq.\n"); 2073 return -EBUSY; 2074 } 2075 codec->irq = codec->pci->irq; 2076 dev_dbg(codec->card->dev, "resources allocated.\n"); 2077 return 0; 2078} 2079static int snd_ali_dev_free(struct snd_device *device) 2080{ 2081 struct snd_ali *codec = device->device_data; 2082 snd_ali_free(codec); 2083 return 0; 2084} 2085 2086static int snd_ali_create(struct snd_card *card, 2087 struct pci_dev *pci, 2088 int pcm_streams, 2089 int spdif_support, 2090 struct snd_ali **r_ali) 2091{ 2092 struct snd_ali *codec; 2093 int i, err; 2094 unsigned short cmdw; 2095 static struct snd_device_ops ops = { 2096 .dev_free = snd_ali_dev_free, 2097 }; 2098 2099 *r_ali = NULL; 2100 2101 dev_dbg(card->dev, "creating ...\n"); 2102 2103 /* enable PCI device */ 2104 err = pci_enable_device(pci); 2105 if (err < 0) 2106 return err; 2107 /* check, if we can restrict PCI DMA transfers to 31 bits */ 2108 if (dma_set_mask(&pci->dev, DMA_BIT_MASK(31)) < 0 || 2109 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(31)) < 0) { 2110 dev_err(card->dev, 2111 "architecture does not support 31bit PCI busmaster DMA\n"); 2112 pci_disable_device(pci); 2113 return -ENXIO; 2114 } 2115 2116 codec = kzalloc(sizeof(*codec), GFP_KERNEL); 2117 if (!codec) { 2118 pci_disable_device(pci); 2119 return -ENOMEM; 2120 } 2121 2122 spin_lock_init(&codec->reg_lock); 2123 spin_lock_init(&codec->voice_alloc); 2124 2125 codec->card = card; 2126 codec->pci = pci; 2127 codec->irq = -1; 2128 codec->revision = pci->revision; 2129 codec->spdif_support = spdif_support; 2130 2131 if (pcm_streams < 1) 2132 pcm_streams = 1; 2133 if (pcm_streams > 32) 2134 pcm_streams = 32; 2135 2136 pci_set_master(pci); 2137 pci_read_config_word(pci, PCI_COMMAND, &cmdw); 2138 if ((cmdw & PCI_COMMAND_IO) != PCI_COMMAND_IO) { 2139 cmdw |= PCI_COMMAND_IO; 2140 pci_write_config_word(pci, PCI_COMMAND, cmdw); 2141 } 2142 pci_set_master(pci); 2143 2144 if (snd_ali_resources(codec)) { 2145 snd_ali_free(codec); 2146 return -EBUSY; 2147 } 2148 2149 synchronize_irq(pci->irq); 2150 2151 codec->synth.chmap = 0; 2152 codec->synth.chcnt = 0; 2153 codec->spdif_mask = 0; 2154 codec->synth.synthcount = 0; 2155 2156 if (codec->revision == ALI_5451_V02) 2157 codec->chregs.regs.ac97read = ALI_AC97_WRITE; 2158 else 2159 codec->chregs.regs.ac97read = ALI_AC97_READ; 2160 codec->chregs.regs.ac97write = ALI_AC97_WRITE; 2161 2162 codec->chregs.regs.start = ALI_START; 2163 codec->chregs.regs.stop = ALI_STOP; 2164 codec->chregs.regs.aint = ALI_AINT; 2165 codec->chregs.regs.ainten = ALI_AINTEN; 2166 2167 codec->chregs.data.start = 0x00; 2168 codec->chregs.data.stop = 0x00; 2169 codec->chregs.data.aint = 0x00; 2170 codec->chregs.data.ainten = 0x00; 2171 2172 /* M1533: southbridge */ 2173 codec->pci_m1533 = pci_get_device(0x10b9, 0x1533, NULL); 2174 if (!codec->pci_m1533) { 2175 dev_err(card->dev, "cannot find ALi 1533 chip.\n"); 2176 snd_ali_free(codec); 2177 return -ENODEV; 2178 } 2179 /* M7101: power management */ 2180 codec->pci_m7101 = pci_get_device(0x10b9, 0x7101, NULL); 2181 if (!codec->pci_m7101 && codec->revision == ALI_5451_V02) { 2182 dev_err(card->dev, "cannot find ALi 7101 chip.\n"); 2183 snd_ali_free(codec); 2184 return -ENODEV; 2185 } 2186 2187 dev_dbg(card->dev, "snd_device_new is called.\n"); 2188 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops); 2189 if (err < 0) { 2190 snd_ali_free(codec); 2191 return err; 2192 } 2193 2194 /* initialise synth voices*/ 2195 for (i = 0; i < ALI_CHANNELS; i++) 2196 codec->synth.voices[i].number = i; 2197 2198 err = snd_ali_chip_init(codec); 2199 if (err < 0) { 2200 dev_err(card->dev, "ali create: chip init error.\n"); 2201 return err; 2202 } 2203 2204#ifdef CONFIG_PM_SLEEP 2205 codec->image = kmalloc(sizeof(*codec->image), GFP_KERNEL); 2206 if (!codec->image) 2207 dev_warn(card->dev, "can't allocate apm buffer\n"); 2208#endif 2209 2210 snd_ali_enable_address_interrupt(codec); 2211 codec->hw_initialized = 1; 2212 2213 *r_ali = codec; 2214 dev_dbg(card->dev, "created.\n"); 2215 return 0; 2216} 2217 2218static int snd_ali_probe(struct pci_dev *pci, 2219 const struct pci_device_id *pci_id) 2220{ 2221 struct snd_card *card; 2222 struct snd_ali *codec; 2223 int err; 2224 2225 dev_dbg(&pci->dev, "probe ...\n"); 2226 2227 err = snd_card_new(&pci->dev, index, id, THIS_MODULE, 0, &card); 2228 if (err < 0) 2229 return err; 2230 2231 err = snd_ali_create(card, pci, pcm_channels, spdif, &codec); 2232 if (err < 0) 2233 goto error; 2234 card->private_data = codec; 2235 2236 dev_dbg(&pci->dev, "mixer building ...\n"); 2237 err = snd_ali_mixer(codec); 2238 if (err < 0) 2239 goto error; 2240 2241 dev_dbg(&pci->dev, "pcm building ...\n"); 2242 err = snd_ali_build_pcms(codec); 2243 if (err < 0) 2244 goto error; 2245 2246 snd_ali_proc_init(codec); 2247 2248 strcpy(card->driver, "ALI5451"); 2249 strcpy(card->shortname, "ALI 5451"); 2250 2251 sprintf(card->longname, "%s at 0x%lx, irq %i", 2252 card->shortname, codec->port, codec->irq); 2253 2254 dev_dbg(&pci->dev, "register card.\n"); 2255 err = snd_card_register(card); 2256 if (err < 0) 2257 goto error; 2258 2259 pci_set_drvdata(pci, card); 2260 return 0; 2261 2262 error: 2263 snd_card_free(card); 2264 return err; 2265} 2266 2267static void snd_ali_remove(struct pci_dev *pci) 2268{ 2269 snd_card_free(pci_get_drvdata(pci)); 2270} 2271 2272static struct pci_driver ali5451_driver = { 2273 .name = KBUILD_MODNAME, 2274 .id_table = snd_ali_ids, 2275 .probe = snd_ali_probe, 2276 .remove = snd_ali_remove, 2277 .driver = { 2278 .pm = ALI_PM_OPS, 2279 }, 2280}; 2281 2282module_pci_driver(ali5451_driver); 2283