1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Matt Wu <Matt_Wu@acersoftech.com.cn> 4 * Apr 26, 2001 5 * Routines for control of ALi pci audio M5451 6 * 7 * BUGS: 8 * -- 9 * 10 * TODO: 11 * -- 12 */ 13 14 #include <linux/io.h> 15 #include <linux/delay.h> 16 #include <linux/interrupt.h> 17 #include <linux/init.h> 18 #include <linux/pci.h> 19 #include <linux/slab.h> 20 #include <linux/module.h> 21 #include <linux/dma-mapping.h> 22 #include <sound/core.h> 23 #include <sound/pcm.h> 24 #include <sound/info.h> 25 #include <sound/ac97_codec.h> 26 #include <sound/mpu401.h> 27 #include <sound/initval.h> 28 29 MODULE_AUTHOR("Matt Wu <Matt_Wu@acersoftech.com.cn>"); 30 MODULE_DESCRIPTION("ALI M5451"); 31 MODULE_LICENSE("GPL"); 32 MODULE_SUPPORTED_DEVICE("{{ALI,M5451,pci},{ALI,M5451}}"); 33 34 static int index = SNDRV_DEFAULT_IDX1; /* Index */ 35 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ 36 static int pcm_channels = 32; 37 static bool spdif; 38 39 module_param(index, int, 0444); 40 MODULE_PARM_DESC(index, "Index value for ALI M5451 PCI Audio."); 41 module_param(id, charp, 0444); 42 MODULE_PARM_DESC(id, "ID string for ALI M5451 PCI Audio."); 43 module_param(pcm_channels, int, 0444); 44 MODULE_PARM_DESC(pcm_channels, "PCM Channels"); 45 module_param(spdif, bool, 0444); 46 MODULE_PARM_DESC(spdif, "Support SPDIF I/O"); 47 48 /* just for backward compatibility */ 49 static bool enable; 50 module_param(enable, bool, 0444); 51 52 53 /* 54 * Constants definition 55 */ 56 57 #define DEVICE_ID_ALI5451 ((PCI_VENDOR_ID_AL<<16)|PCI_DEVICE_ID_AL_M5451) 58 59 60 #define ALI_CHANNELS 32 61 62 #define ALI_PCM_IN_CHANNEL 31 63 #define ALI_SPDIF_IN_CHANNEL 19 64 #define ALI_SPDIF_OUT_CHANNEL 15 65 #define ALI_CENTER_CHANNEL 24 66 #define ALI_LEF_CHANNEL 23 67 #define ALI_SURR_LEFT_CHANNEL 26 68 #define ALI_SURR_RIGHT_CHANNEL 25 69 #define ALI_MODEM_IN_CHANNEL 21 70 #define ALI_MODEM_OUT_CHANNEL 20 71 72 #define SNDRV_ALI_VOICE_TYPE_PCM 01 73 #define SNDRV_ALI_VOICE_TYPE_OTH 02 74 75 #define ALI_5451_V02 0x02 76 77 /* 78 * Direct Registers 79 */ 80 81 #define ALI_LEGACY_DMAR0 0x00 /* ADR0 */ 82 #define ALI_LEGACY_DMAR4 0x04 /* CNT0 */ 83 #define ALI_LEGACY_DMAR11 0x0b /* MOD */ 84 #define ALI_LEGACY_DMAR15 0x0f /* MMR */ 85 #define ALI_MPUR0 0x20 86 #define ALI_MPUR1 0x21 87 #define ALI_MPUR2 0x22 88 #define ALI_MPUR3 0x23 89 90 #define ALI_AC97_WRITE 0x40 91 #define ALI_AC97_READ 0x44 92 93 #define ALI_SCTRL 0x48 94 #define ALI_SPDIF_OUT_ENABLE 0x20 95 #define ALI_SCTRL_LINE_IN2 (1 << 9) 96 #define ALI_SCTRL_GPIO_IN2 (1 << 13) 97 #define ALI_SCTRL_LINE_OUT_EN (1 << 20) 98 #define ALI_SCTRL_GPIO_OUT_EN (1 << 23) 99 #define ALI_SCTRL_CODEC1_READY (1 << 24) 100 #define ALI_SCTRL_CODEC2_READY (1 << 25) 101 #define ALI_AC97_GPIO 0x4c 102 #define ALI_AC97_GPIO_ENABLE 0x8000 103 #define ALI_AC97_GPIO_DATA_SHIFT 16 104 #define ALI_SPDIF_CS 0x70 105 #define ALI_SPDIF_CTRL 0x74 106 #define ALI_SPDIF_IN_FUNC_ENABLE 0x02 107 #define ALI_SPDIF_IN_CH_STATUS 0x40 108 #define ALI_SPDIF_OUT_CH_STATUS 0xbf 109 #define ALI_START 0x80 110 #define ALI_STOP 0x84 111 #define ALI_CSPF 0x90 112 #define ALI_AINT 0x98 113 #define ALI_GC_CIR 0xa0 114 #define ENDLP_IE 0x00001000 115 #define MIDLP_IE 0x00002000 116 #define ALI_AINTEN 0xa4 117 #define ALI_VOLUME 0xa8 118 #define ALI_SBDELTA_DELTA_R 0xac 119 #define ALI_MISCINT 0xb0 120 #define ADDRESS_IRQ 0x00000020 121 #define TARGET_REACHED 0x00008000 122 #define MIXER_OVERFLOW 0x00000800 123 #define MIXER_UNDERFLOW 0x00000400 124 #define GPIO_IRQ 0x01000000 125 #define ALI_SBBL_SBCL 0xc0 126 #define ALI_SBCTRL_SBE2R_SBDD 0xc4 127 #define ALI_STIMER 0xc8 128 #define ALI_GLOBAL_CONTROL 0xd4 129 #define ALI_SPDIF_OUT_SEL_PCM 0x00000400 /* bit 10 */ 130 #define ALI_SPDIF_IN_SUPPORT 0x00000800 /* bit 11 */ 131 #define ALI_SPDIF_OUT_CH_ENABLE 0x00008000 /* bit 15 */ 132 #define ALI_SPDIF_IN_CH_ENABLE 0x00080000 /* bit 19 */ 133 #define ALI_PCM_IN_ENABLE 0x80000000 /* bit 31 */ 134 135 #define ALI_CSO_ALPHA_FMS 0xe0 136 #define ALI_LBA 0xe4 137 #define ALI_ESO_DELTA 0xe8 138 #define ALI_GVSEL_PAN_VOC_CTRL_EC 0xf0 139 #define ALI_EBUF1 0xf4 140 #define ALI_EBUF2 0xf8 141 142 #define ALI_REG(codec, x) ((codec)->port + x) 143 144 #define MAX_CODECS 2 145 146 147 struct snd_ali; 148 struct snd_ali_voice; 149 150 struct snd_ali_channel_control { 151 /* register data */ 152 struct REGDATA { 153 unsigned int start; 154 unsigned int stop; 155 unsigned int aint; 156 unsigned int ainten; 157 } data; 158 159 /* register addresses */ 160 struct REGS { 161 unsigned int start; 162 unsigned int stop; 163 unsigned int aint; 164 unsigned int ainten; 165 unsigned int ac97read; 166 unsigned int ac97write; 167 } regs; 168 169 }; 170 171 struct snd_ali_voice { 172 unsigned int number; 173 unsigned int use :1, 174 pcm :1, 175 midi :1, 176 mode :1, 177 synth :1, 178 running :1; 179 180 /* PCM data */ 181 struct snd_ali *codec; 182 struct snd_pcm_substream *substream; 183 struct snd_ali_voice *extra; 184 185 int eso; /* final ESO value for channel */ 186 int count; /* runtime->period_size */ 187 188 /* --- */ 189 190 void *private_data; 191 void (*private_free)(void *private_data); 192 }; 193 194 195 struct snd_alidev { 196 197 struct snd_ali_voice voices[ALI_CHANNELS]; 198 199 unsigned int chcnt; /* num of opened channels */ 200 unsigned int chmap; /* bitmap for opened channels */ 201 unsigned int synthcount; 202 203 }; 204 205 206 #define ALI_GLOBAL_REGS 56 207 #define ALI_CHANNEL_REGS 8 208 struct snd_ali_image { 209 u32 regs[ALI_GLOBAL_REGS]; 210 u32 channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS]; 211 }; 212 213 214 struct snd_ali { 215 int irq; 216 unsigned long port; 217 unsigned char revision; 218 219 unsigned int hw_initialized :1; 220 unsigned int spdif_support :1; 221 222 struct pci_dev *pci; 223 struct pci_dev *pci_m1533; 224 struct pci_dev *pci_m7101; 225 226 struct snd_card *card; 227 struct snd_pcm *pcm[MAX_CODECS]; 228 struct snd_alidev synth; 229 struct snd_ali_channel_control chregs; 230 231 /* S/PDIF Mask */ 232 unsigned int spdif_mask; 233 234 unsigned int spurious_irq_count; 235 unsigned int spurious_irq_max_delta; 236 237 unsigned int num_of_codecs; 238 239 struct snd_ac97_bus *ac97_bus; 240 struct snd_ac97 *ac97[MAX_CODECS]; 241 unsigned short ac97_ext_id; 242 unsigned short ac97_ext_status; 243 244 spinlock_t reg_lock; 245 spinlock_t voice_alloc; 246 247 #ifdef CONFIG_PM_SLEEP 248 struct snd_ali_image *image; 249 #endif 250 }; 251 252 static const struct pci_device_id snd_ali_ids[] = { 253 {PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5451), 0, 0, 0}, 254 {0, } 255 }; 256 MODULE_DEVICE_TABLE(pci, snd_ali_ids); 257 258 static void snd_ali_clear_voices(struct snd_ali *, unsigned int, unsigned int); 259 static unsigned short snd_ali_codec_peek(struct snd_ali *, int, unsigned short); 260 static void snd_ali_codec_poke(struct snd_ali *, int, unsigned short, 261 unsigned short); 262 263 /* 264 * AC97 ACCESS 265 */ 266 267 static inline unsigned int snd_ali_5451_peek(struct snd_ali *codec, 268 unsigned int port) 269 { 270 return (unsigned int)inl(ALI_REG(codec, port)); 271 } 272 273 static inline void snd_ali_5451_poke(struct snd_ali *codec, 274 unsigned int port, 275 unsigned int val) 276 { 277 outl((unsigned int)val, ALI_REG(codec, port)); 278 } 279 280 static int snd_ali_codec_ready(struct snd_ali *codec, 281 unsigned int port) 282 { 283 unsigned long end_time; 284 unsigned int res; 285 286 end_time = jiffies + msecs_to_jiffies(250); 287 288 for (;;) { 289 res = snd_ali_5451_peek(codec,port); 290 if (!(res & 0x8000)) 291 return 0; 292 if (!time_after_eq(end_time, jiffies)) 293 break; 294 schedule_timeout_uninterruptible(1); 295 } 296 297 snd_ali_5451_poke(codec, port, res & ~0x8000); 298 dev_dbg(codec->card->dev, "ali_codec_ready: codec is not ready.\n "); 299 return -EIO; 300 } 301 302 static int snd_ali_stimer_ready(struct snd_ali *codec) 303 { 304 unsigned long end_time; 305 unsigned long dwChk1,dwChk2; 306 307 dwChk1 = snd_ali_5451_peek(codec, ALI_STIMER); 308 end_time = jiffies + msecs_to_jiffies(250); 309 310 for (;;) { 311 dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER); 312 if (dwChk2 != dwChk1) 313 return 0; 314 if (!time_after_eq(end_time, jiffies)) 315 break; 316 schedule_timeout_uninterruptible(1); 317 } 318 319 dev_err(codec->card->dev, "ali_stimer_read: stimer is not ready.\n"); 320 return -EIO; 321 } 322 323 static void snd_ali_codec_poke(struct snd_ali *codec,int secondary, 324 unsigned short reg, 325 unsigned short val) 326 { 327 unsigned int dwVal; 328 unsigned int port; 329 330 if (reg >= 0x80) { 331 dev_err(codec->card->dev, 332 "ali_codec_poke: reg(%xh) invalid.\n", reg); 333 return; 334 } 335 336 port = codec->chregs.regs.ac97write; 337 338 if (snd_ali_codec_ready(codec, port) < 0) 339 return; 340 if (snd_ali_stimer_ready(codec) < 0) 341 return; 342 343 dwVal = (unsigned int) (reg & 0xff); 344 dwVal |= 0x8000 | (val << 16); 345 if (secondary) 346 dwVal |= 0x0080; 347 if (codec->revision == ALI_5451_V02) 348 dwVal |= 0x0100; 349 350 snd_ali_5451_poke(codec, port, dwVal); 351 352 return ; 353 } 354 355 static unsigned short snd_ali_codec_peek(struct snd_ali *codec, 356 int secondary, 357 unsigned short reg) 358 { 359 unsigned int dwVal; 360 unsigned int port; 361 362 if (reg >= 0x80) { 363 dev_err(codec->card->dev, 364 "ali_codec_peek: reg(%xh) invalid.\n", reg); 365 return ~0; 366 } 367 368 port = codec->chregs.regs.ac97read; 369 370 if (snd_ali_codec_ready(codec, port) < 0) 371 return ~0; 372 if (snd_ali_stimer_ready(codec) < 0) 373 return ~0; 374 375 dwVal = (unsigned int) (reg & 0xff); 376 dwVal |= 0x8000; /* bit 15*/ 377 if (secondary) 378 dwVal |= 0x0080; 379 380 snd_ali_5451_poke(codec, port, dwVal); 381 382 if (snd_ali_stimer_ready(codec) < 0) 383 return ~0; 384 if (snd_ali_codec_ready(codec, port) < 0) 385 return ~0; 386 387 return (snd_ali_5451_peek(codec, port) & 0xffff0000) >> 16; 388 } 389 390 static void snd_ali_codec_write(struct snd_ac97 *ac97, 391 unsigned short reg, 392 unsigned short val ) 393 { 394 struct snd_ali *codec = ac97->private_data; 395 396 dev_dbg(codec->card->dev, "codec_write: reg=%xh data=%xh.\n", reg, val); 397 if (reg == AC97_GPIO_STATUS) { 398 outl((val << ALI_AC97_GPIO_DATA_SHIFT) | ALI_AC97_GPIO_ENABLE, 399 ALI_REG(codec, ALI_AC97_GPIO)); 400 return; 401 } 402 snd_ali_codec_poke(codec, ac97->num, reg, val); 403 return ; 404 } 405 406 407 static unsigned short snd_ali_codec_read(struct snd_ac97 *ac97, 408 unsigned short reg) 409 { 410 struct snd_ali *codec = ac97->private_data; 411 412 dev_dbg(codec->card->dev, "codec_read reg=%xh.\n", reg); 413 return snd_ali_codec_peek(codec, ac97->num, reg); 414 } 415 416 /* 417 * AC97 Reset 418 */ 419 420 static int snd_ali_reset_5451(struct snd_ali *codec) 421 { 422 struct pci_dev *pci_dev; 423 unsigned short wCount, wReg; 424 unsigned int dwVal; 425 426 pci_dev = codec->pci_m1533; 427 if (pci_dev) { 428 pci_read_config_dword(pci_dev, 0x7c, &dwVal); 429 pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000); 430 mdelay(5); 431 pci_read_config_dword(pci_dev, 0x7c, &dwVal); 432 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff); 433 mdelay(5); 434 } 435 436 pci_dev = codec->pci; 437 pci_read_config_dword(pci_dev, 0x44, &dwVal); 438 pci_write_config_dword(pci_dev, 0x44, dwVal | 0x000c0000); 439 udelay(500); 440 pci_read_config_dword(pci_dev, 0x44, &dwVal); 441 pci_write_config_dword(pci_dev, 0x44, dwVal & 0xfffbffff); 442 mdelay(5); 443 444 wCount = 200; 445 while(wCount--) { 446 wReg = snd_ali_codec_peek(codec, 0, AC97_POWERDOWN); 447 if ((wReg & 0x000f) == 0x000f) 448 return 0; 449 mdelay(5); 450 } 451 452 /* non-fatal if you have a non PM capable codec */ 453 /* dev_warn(codec->card->dev, "ali5451: reset time out\n"); */ 454 return 0; 455 } 456 457 /* 458 * ALI 5451 Controller 459 */ 460 461 static void snd_ali_enable_special_channel(struct snd_ali *codec, 462 unsigned int channel) 463 { 464 unsigned long dwVal; 465 466 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 467 dwVal |= 1 << (channel & 0x0000001f); 468 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 469 } 470 471 static void snd_ali_disable_special_channel(struct snd_ali *codec, 472 unsigned int channel) 473 { 474 unsigned long dwVal; 475 476 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 477 dwVal &= ~(1 << (channel & 0x0000001f)); 478 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 479 } 480 481 static void snd_ali_enable_address_interrupt(struct snd_ali *codec) 482 { 483 unsigned int gc; 484 485 gc = inl(ALI_REG(codec, ALI_GC_CIR)); 486 gc |= ENDLP_IE; 487 gc |= MIDLP_IE; 488 outl( gc, ALI_REG(codec, ALI_GC_CIR)); 489 } 490 491 static void snd_ali_disable_address_interrupt(struct snd_ali *codec) 492 { 493 unsigned int gc; 494 495 gc = inl(ALI_REG(codec, ALI_GC_CIR)); 496 gc &= ~ENDLP_IE; 497 gc &= ~MIDLP_IE; 498 outl(gc, ALI_REG(codec, ALI_GC_CIR)); 499 } 500 501 static void snd_ali_disable_voice_irq(struct snd_ali *codec, 502 unsigned int channel) 503 { 504 unsigned int mask; 505 struct snd_ali_channel_control *pchregs = &(codec->chregs); 506 507 dev_dbg(codec->card->dev, "disable_voice_irq channel=%d\n", channel); 508 509 mask = 1 << (channel & 0x1f); 510 pchregs->data.ainten = inl(ALI_REG(codec, pchregs->regs.ainten)); 511 pchregs->data.ainten &= ~mask; 512 outl(pchregs->data.ainten, ALI_REG(codec, pchregs->regs.ainten)); 513 } 514 515 static int snd_ali_alloc_pcm_channel(struct snd_ali *codec, int channel) 516 { 517 unsigned int idx = channel & 0x1f; 518 519 if (codec->synth.chcnt >= ALI_CHANNELS){ 520 dev_err(codec->card->dev, 521 "ali_alloc_pcm_channel: no free channels.\n"); 522 return -1; 523 } 524 525 if (!(codec->synth.chmap & (1 << idx))) { 526 codec->synth.chmap |= 1 << idx; 527 codec->synth.chcnt++; 528 dev_dbg(codec->card->dev, "alloc_pcm_channel no. %d.\n", idx); 529 return idx; 530 } 531 return -1; 532 } 533 534 static int snd_ali_find_free_channel(struct snd_ali * codec, int rec) 535 { 536 int idx; 537 int result = -1; 538 539 dev_dbg(codec->card->dev, 540 "find_free_channel: for %s\n", rec ? "rec" : "pcm"); 541 542 /* recording */ 543 if (rec) { 544 if (codec->spdif_support && 545 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & 546 ALI_SPDIF_IN_SUPPORT)) 547 idx = ALI_SPDIF_IN_CHANNEL; 548 else 549 idx = ALI_PCM_IN_CHANNEL; 550 551 result = snd_ali_alloc_pcm_channel(codec, idx); 552 if (result >= 0) 553 return result; 554 else { 555 dev_err(codec->card->dev, 556 "ali_find_free_channel: record channel is busy now.\n"); 557 return -1; 558 } 559 } 560 561 /* playback... */ 562 if (codec->spdif_support && 563 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & 564 ALI_SPDIF_OUT_CH_ENABLE)) { 565 idx = ALI_SPDIF_OUT_CHANNEL; 566 result = snd_ali_alloc_pcm_channel(codec, idx); 567 if (result >= 0) 568 return result; 569 else 570 dev_err(codec->card->dev, 571 "ali_find_free_channel: S/PDIF out channel is in busy now.\n"); 572 } 573 574 for (idx = 0; idx < ALI_CHANNELS; idx++) { 575 result = snd_ali_alloc_pcm_channel(codec, idx); 576 if (result >= 0) 577 return result; 578 } 579 dev_err(codec->card->dev, "ali_find_free_channel: no free channels.\n"); 580 return -1; 581 } 582 583 static void snd_ali_free_channel_pcm(struct snd_ali *codec, int channel) 584 { 585 unsigned int idx = channel & 0x0000001f; 586 587 dev_dbg(codec->card->dev, "free_channel_pcm channel=%d\n", channel); 588 589 if (channel < 0 || channel >= ALI_CHANNELS) 590 return; 591 592 if (!(codec->synth.chmap & (1 << idx))) { 593 dev_err(codec->card->dev, 594 "ali_free_channel_pcm: channel %d is not in use.\n", 595 channel); 596 return; 597 } else { 598 codec->synth.chmap &= ~(1 << idx); 599 codec->synth.chcnt--; 600 } 601 } 602 603 static void snd_ali_stop_voice(struct snd_ali *codec, unsigned int channel) 604 { 605 unsigned int mask = 1 << (channel & 0x1f); 606 607 dev_dbg(codec->card->dev, "stop_voice: channel=%d\n", channel); 608 outl(mask, ALI_REG(codec, codec->chregs.regs.stop)); 609 } 610 611 /* 612 * S/PDIF Part 613 */ 614 615 static void snd_ali_delay(struct snd_ali *codec,int interval) 616 { 617 unsigned long begintimer,currenttimer; 618 619 begintimer = inl(ALI_REG(codec, ALI_STIMER)); 620 currenttimer = inl(ALI_REG(codec, ALI_STIMER)); 621 622 while (currenttimer < begintimer + interval) { 623 if (snd_ali_stimer_ready(codec) < 0) 624 break; 625 currenttimer = inl(ALI_REG(codec, ALI_STIMER)); 626 cpu_relax(); 627 } 628 } 629 630 static void snd_ali_detect_spdif_rate(struct snd_ali *codec) 631 { 632 u16 wval; 633 u16 count = 0; 634 u8 bval, R1 = 0, R2; 635 636 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1)); 637 bval |= 0x1F; 638 outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL + 1)); 639 640 while ((R1 < 0x0b || R1 > 0x0e) && R1 != 0x12 && count <= 50000) { 641 count ++; 642 snd_ali_delay(codec, 6); 643 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1)); 644 R1 = bval & 0x1F; 645 } 646 647 if (count > 50000) { 648 dev_err(codec->card->dev, "ali_detect_spdif_rate: timeout!\n"); 649 return; 650 } 651 652 for (count = 0; count <= 50000; count++) { 653 snd_ali_delay(codec, 6); 654 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1)); 655 R2 = bval & 0x1F; 656 if (R2 != R1) 657 R1 = R2; 658 else 659 break; 660 } 661 662 if (count > 50000) { 663 dev_err(codec->card->dev, "ali_detect_spdif_rate: timeout!\n"); 664 return; 665 } 666 667 if (R2 >= 0x0b && R2 <= 0x0e) { 668 wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2)); 669 wval &= 0xe0f0; 670 wval |= (0x09 << 8) | 0x05; 671 outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2)); 672 673 bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3)) & 0xf0; 674 outb(bval | 0x02, ALI_REG(codec, ALI_SPDIF_CS + 3)); 675 } else if (R2 == 0x12) { 676 wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2)); 677 wval &= 0xe0f0; 678 wval |= (0x0e << 8) | 0x08; 679 outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2)); 680 681 bval = inb(ALI_REG(codec,ALI_SPDIF_CS + 3)) & 0xf0; 682 outb(bval | 0x03, ALI_REG(codec, ALI_SPDIF_CS + 3)); 683 } 684 } 685 686 static unsigned int snd_ali_get_spdif_in_rate(struct snd_ali *codec) 687 { 688 u32 dwRate; 689 u8 bval; 690 691 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); 692 bval &= 0x7f; 693 bval |= 0x40; 694 outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL)); 695 696 snd_ali_detect_spdif_rate(codec); 697 698 bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3)); 699 bval &= 0x0f; 700 701 switch (bval) { 702 case 0: dwRate = 44100; break; 703 case 1: dwRate = 48000; break; 704 case 2: dwRate = 32000; break; 705 default: dwRate = 0; break; 706 } 707 708 return dwRate; 709 } 710 711 static void snd_ali_enable_spdif_in(struct snd_ali *codec) 712 { 713 unsigned int dwVal; 714 715 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 716 dwVal |= ALI_SPDIF_IN_SUPPORT; 717 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 718 719 dwVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); 720 dwVal |= 0x02; 721 outb(dwVal, ALI_REG(codec, ALI_SPDIF_CTRL)); 722 723 snd_ali_enable_special_channel(codec, ALI_SPDIF_IN_CHANNEL); 724 } 725 726 static void snd_ali_disable_spdif_in(struct snd_ali *codec) 727 { 728 unsigned int dwVal; 729 730 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 731 dwVal &= ~ALI_SPDIF_IN_SUPPORT; 732 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 733 734 snd_ali_disable_special_channel(codec, ALI_SPDIF_IN_CHANNEL); 735 } 736 737 738 static void snd_ali_set_spdif_out_rate(struct snd_ali *codec, unsigned int rate) 739 { 740 unsigned char bVal; 741 unsigned int dwRate; 742 743 switch (rate) { 744 case 32000: dwRate = 0x300; break; 745 case 48000: dwRate = 0x200; break; 746 default: dwRate = 0; break; 747 } 748 749 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); 750 bVal &= (unsigned char)(~(1<<6)); 751 752 bVal |= 0x80; /* select right */ 753 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL)); 754 outb(dwRate | 0x20, ALI_REG(codec, ALI_SPDIF_CS + 2)); 755 756 bVal &= ~0x80; /* select left */ 757 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL)); 758 outw(rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2)); 759 } 760 761 static void snd_ali_enable_spdif_out(struct snd_ali *codec) 762 { 763 unsigned short wVal; 764 unsigned char bVal; 765 struct pci_dev *pci_dev; 766 767 pci_dev = codec->pci_m1533; 768 if (pci_dev == NULL) 769 return; 770 pci_read_config_byte(pci_dev, 0x61, &bVal); 771 bVal |= 0x40; 772 pci_write_config_byte(pci_dev, 0x61, bVal); 773 pci_read_config_byte(pci_dev, 0x7d, &bVal); 774 bVal |= 0x01; 775 pci_write_config_byte(pci_dev, 0x7d, bVal); 776 777 pci_read_config_byte(pci_dev, 0x7e, &bVal); 778 bVal &= (~0x20); 779 bVal |= 0x10; 780 pci_write_config_byte(pci_dev, 0x7e, bVal); 781 782 bVal = inb(ALI_REG(codec, ALI_SCTRL)); 783 outb(bVal | ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL)); 784 785 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); 786 outb(bVal & ALI_SPDIF_OUT_CH_STATUS, ALI_REG(codec, ALI_SPDIF_CTRL)); 787 788 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 789 wVal |= ALI_SPDIF_OUT_SEL_PCM; 790 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 791 snd_ali_disable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL); 792 } 793 794 static void snd_ali_enable_spdif_chnout(struct snd_ali *codec) 795 { 796 unsigned short wVal; 797 798 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 799 wVal &= ~ALI_SPDIF_OUT_SEL_PCM; 800 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 801 /* 802 wVal = inw(ALI_REG(codec, ALI_SPDIF_CS)); 803 if (flag & ALI_SPDIF_OUT_NON_PCM) 804 wVal |= 0x0002; 805 else 806 wVal &= (~0x0002); 807 outw(wVal, ALI_REG(codec, ALI_SPDIF_CS)); 808 */ 809 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL); 810 } 811 812 static void snd_ali_disable_spdif_chnout(struct snd_ali *codec) 813 { 814 unsigned short wVal; 815 816 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 817 wVal |= ALI_SPDIF_OUT_SEL_PCM; 818 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 819 820 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL); 821 } 822 823 static void snd_ali_disable_spdif_out(struct snd_ali *codec) 824 { 825 unsigned char bVal; 826 827 bVal = inb(ALI_REG(codec, ALI_SCTRL)); 828 outb(bVal & ~ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL)); 829 830 snd_ali_disable_spdif_chnout(codec); 831 } 832 833 static void snd_ali_update_ptr(struct snd_ali *codec, int channel) 834 { 835 struct snd_ali_voice *pvoice; 836 struct snd_ali_channel_control *pchregs; 837 unsigned int old, mask; 838 839 pchregs = &(codec->chregs); 840 841 /* check if interrupt occurred for channel */ 842 old = pchregs->data.aint; 843 mask = 1U << (channel & 0x1f); 844 845 if (!(old & mask)) 846 return; 847 848 pvoice = &codec->synth.voices[channel]; 849 850 udelay(100); 851 spin_lock(&codec->reg_lock); 852 853 if (pvoice->pcm && pvoice->substream) { 854 /* pcm interrupt */ 855 if (pvoice->running) { 856 dev_dbg(codec->card->dev, 857 "update_ptr: cso=%4.4x cspf=%d.\n", 858 inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)), 859 (inl(ALI_REG(codec, ALI_CSPF)) & mask) == mask); 860 spin_unlock(&codec->reg_lock); 861 snd_pcm_period_elapsed(pvoice->substream); 862 spin_lock(&codec->reg_lock); 863 } else { 864 snd_ali_stop_voice(codec, channel); 865 snd_ali_disable_voice_irq(codec, channel); 866 } 867 } else if (codec->synth.voices[channel].synth) { 868 /* synth interrupt */ 869 } else if (codec->synth.voices[channel].midi) { 870 /* midi interrupt */ 871 } else { 872 /* unknown interrupt */ 873 snd_ali_stop_voice(codec, channel); 874 snd_ali_disable_voice_irq(codec, channel); 875 } 876 spin_unlock(&codec->reg_lock); 877 outl(mask,ALI_REG(codec,pchregs->regs.aint)); 878 pchregs->data.aint = old & (~mask); 879 } 880 881 static irqreturn_t snd_ali_card_interrupt(int irq, void *dev_id) 882 { 883 struct snd_ali *codec = dev_id; 884 int channel; 885 unsigned int audio_int; 886 struct snd_ali_channel_control *pchregs; 887 888 if (codec == NULL || !codec->hw_initialized) 889 return IRQ_NONE; 890 891 audio_int = inl(ALI_REG(codec, ALI_MISCINT)); 892 if (!audio_int) 893 return IRQ_NONE; 894 895 pchregs = &(codec->chregs); 896 if (audio_int & ADDRESS_IRQ) { 897 /* get interrupt status for all channels */ 898 pchregs->data.aint = inl(ALI_REG(codec, pchregs->regs.aint)); 899 for (channel = 0; channel < ALI_CHANNELS; channel++) 900 snd_ali_update_ptr(codec, channel); 901 } 902 outl((TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW), 903 ALI_REG(codec, ALI_MISCINT)); 904 905 return IRQ_HANDLED; 906 } 907 908 909 static struct snd_ali_voice *snd_ali_alloc_voice(struct snd_ali * codec, 910 int type, int rec, int channel) 911 { 912 struct snd_ali_voice *pvoice; 913 int idx; 914 915 dev_dbg(codec->card->dev, "alloc_voice: type=%d rec=%d\n", type, rec); 916 917 spin_lock_irq(&codec->voice_alloc); 918 if (type == SNDRV_ALI_VOICE_TYPE_PCM) { 919 idx = channel > 0 ? snd_ali_alloc_pcm_channel(codec, channel) : 920 snd_ali_find_free_channel(codec,rec); 921 if (idx < 0) { 922 dev_err(codec->card->dev, "ali_alloc_voice: err.\n"); 923 spin_unlock_irq(&codec->voice_alloc); 924 return NULL; 925 } 926 pvoice = &(codec->synth.voices[idx]); 927 pvoice->codec = codec; 928 pvoice->use = 1; 929 pvoice->pcm = 1; 930 pvoice->mode = rec; 931 spin_unlock_irq(&codec->voice_alloc); 932 return pvoice; 933 } 934 spin_unlock_irq(&codec->voice_alloc); 935 return NULL; 936 } 937 938 939 static void snd_ali_free_voice(struct snd_ali * codec, 940 struct snd_ali_voice *pvoice) 941 { 942 void (*private_free)(void *); 943 void *private_data; 944 945 dev_dbg(codec->card->dev, "free_voice: channel=%d\n", pvoice->number); 946 if (!pvoice->use) 947 return; 948 snd_ali_clear_voices(codec, pvoice->number, pvoice->number); 949 spin_lock_irq(&codec->voice_alloc); 950 private_free = pvoice->private_free; 951 private_data = pvoice->private_data; 952 pvoice->private_free = NULL; 953 pvoice->private_data = NULL; 954 if (pvoice->pcm) 955 snd_ali_free_channel_pcm(codec, pvoice->number); 956 pvoice->use = pvoice->pcm = pvoice->synth = 0; 957 pvoice->substream = NULL; 958 spin_unlock_irq(&codec->voice_alloc); 959 if (private_free) 960 private_free(private_data); 961 } 962 963 964 static void snd_ali_clear_voices(struct snd_ali *codec, 965 unsigned int v_min, 966 unsigned int v_max) 967 { 968 unsigned int i; 969 970 for (i = v_min; i <= v_max; i++) { 971 snd_ali_stop_voice(codec, i); 972 snd_ali_disable_voice_irq(codec, i); 973 } 974 } 975 976 static void snd_ali_write_voice_regs(struct snd_ali *codec, 977 unsigned int Channel, 978 unsigned int LBA, 979 unsigned int CSO, 980 unsigned int ESO, 981 unsigned int DELTA, 982 unsigned int ALPHA_FMS, 983 unsigned int GVSEL, 984 unsigned int PAN, 985 unsigned int VOL, 986 unsigned int CTRL, 987 unsigned int EC) 988 { 989 unsigned int ctlcmds[4]; 990 991 outb((unsigned char)(Channel & 0x001f), ALI_REG(codec, ALI_GC_CIR)); 992 993 ctlcmds[0] = (CSO << 16) | (ALPHA_FMS & 0x0000ffff); 994 ctlcmds[1] = LBA; 995 ctlcmds[2] = (ESO << 16) | (DELTA & 0x0ffff); 996 ctlcmds[3] = (GVSEL << 31) | 997 ((PAN & 0x0000007f) << 24) | 998 ((VOL & 0x000000ff) << 16) | 999 ((CTRL & 0x0000000f) << 12) | 1000 (EC & 0x00000fff); 1001 1002 outb(Channel, ALI_REG(codec, ALI_GC_CIR)); 1003 1004 outl(ctlcmds[0], ALI_REG(codec, ALI_CSO_ALPHA_FMS)); 1005 outl(ctlcmds[1], ALI_REG(codec, ALI_LBA)); 1006 outl(ctlcmds[2], ALI_REG(codec, ALI_ESO_DELTA)); 1007 outl(ctlcmds[3], ALI_REG(codec, ALI_GVSEL_PAN_VOC_CTRL_EC)); 1008 1009 outl(0x30000000, ALI_REG(codec, ALI_EBUF1)); /* Still Mode */ 1010 outl(0x30000000, ALI_REG(codec, ALI_EBUF2)); /* Still Mode */ 1011 } 1012 1013 static unsigned int snd_ali_convert_rate(unsigned int rate, int rec) 1014 { 1015 unsigned int delta; 1016 1017 if (rate < 4000) 1018 rate = 4000; 1019 if (rate > 48000) 1020 rate = 48000; 1021 1022 if (rec) { 1023 if (rate == 44100) 1024 delta = 0x116a; 1025 else if (rate == 8000) 1026 delta = 0x6000; 1027 else if (rate == 48000) 1028 delta = 0x1000; 1029 else 1030 delta = ((48000 << 12) / rate) & 0x0000ffff; 1031 } else { 1032 if (rate == 44100) 1033 delta = 0xeb3; 1034 else if (rate == 8000) 1035 delta = 0x2ab; 1036 else if (rate == 48000) 1037 delta = 0x1000; 1038 else 1039 delta = (((rate << 12) + rate) / 48000) & 0x0000ffff; 1040 } 1041 1042 return delta; 1043 } 1044 1045 static unsigned int snd_ali_control_mode(struct snd_pcm_substream *substream) 1046 { 1047 unsigned int CTRL; 1048 struct snd_pcm_runtime *runtime = substream->runtime; 1049 1050 /* set ctrl mode 1051 CTRL default: 8-bit (unsigned) mono, loop mode enabled 1052 */ 1053 CTRL = 0x00000001; 1054 if (snd_pcm_format_width(runtime->format) == 16) 1055 CTRL |= 0x00000008; /* 16-bit data */ 1056 if (!snd_pcm_format_unsigned(runtime->format)) 1057 CTRL |= 0x00000002; /* signed data */ 1058 if (runtime->channels > 1) 1059 CTRL |= 0x00000004; /* stereo data */ 1060 return CTRL; 1061 } 1062 1063 /* 1064 * PCM part 1065 */ 1066 1067 static int snd_ali_trigger(struct snd_pcm_substream *substream, 1068 int cmd) 1069 1070 { 1071 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1072 struct snd_pcm_substream *s; 1073 unsigned int what, whati, capture_flag; 1074 struct snd_ali_voice *pvoice, *evoice; 1075 unsigned int val; 1076 int do_start; 1077 1078 switch (cmd) { 1079 case SNDRV_PCM_TRIGGER_START: 1080 case SNDRV_PCM_TRIGGER_RESUME: 1081 do_start = 1; 1082 break; 1083 case SNDRV_PCM_TRIGGER_STOP: 1084 case SNDRV_PCM_TRIGGER_SUSPEND: 1085 do_start = 0; 1086 break; 1087 default: 1088 return -EINVAL; 1089 } 1090 1091 what = whati = capture_flag = 0; 1092 snd_pcm_group_for_each_entry(s, substream) { 1093 if ((struct snd_ali *) snd_pcm_substream_chip(s) == codec) { 1094 pvoice = s->runtime->private_data; 1095 evoice = pvoice->extra; 1096 what |= 1 << (pvoice->number & 0x1f); 1097 if (evoice == NULL) 1098 whati |= 1 << (pvoice->number & 0x1f); 1099 else { 1100 whati |= 1 << (evoice->number & 0x1f); 1101 what |= 1 << (evoice->number & 0x1f); 1102 } 1103 if (do_start) { 1104 pvoice->running = 1; 1105 if (evoice != NULL) 1106 evoice->running = 1; 1107 } else { 1108 pvoice->running = 0; 1109 if (evoice != NULL) 1110 evoice->running = 0; 1111 } 1112 snd_pcm_trigger_done(s, substream); 1113 if (pvoice->mode) 1114 capture_flag = 1; 1115 } 1116 } 1117 spin_lock(&codec->reg_lock); 1118 if (!do_start) 1119 outl(what, ALI_REG(codec, ALI_STOP)); 1120 val = inl(ALI_REG(codec, ALI_AINTEN)); 1121 if (do_start) 1122 val |= whati; 1123 else 1124 val &= ~whati; 1125 outl(val, ALI_REG(codec, ALI_AINTEN)); 1126 if (do_start) 1127 outl(what, ALI_REG(codec, ALI_START)); 1128 dev_dbg(codec->card->dev, "trigger: what=%xh whati=%xh\n", what, whati); 1129 spin_unlock(&codec->reg_lock); 1130 1131 return 0; 1132 } 1133 1134 static int snd_ali_playback_hw_params(struct snd_pcm_substream *substream, 1135 struct snd_pcm_hw_params *hw_params) 1136 { 1137 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1138 struct snd_pcm_runtime *runtime = substream->runtime; 1139 struct snd_ali_voice *pvoice = runtime->private_data; 1140 struct snd_ali_voice *evoice = pvoice->extra; 1141 int err; 1142 1143 err = snd_pcm_lib_malloc_pages(substream, 1144 params_buffer_bytes(hw_params)); 1145 if (err < 0) 1146 return err; 1147 1148 /* voice management */ 1149 1150 if (params_buffer_size(hw_params) / 2 != 1151 params_period_size(hw_params)) { 1152 if (!evoice) { 1153 evoice = snd_ali_alloc_voice(codec, 1154 SNDRV_ALI_VOICE_TYPE_PCM, 1155 0, -1); 1156 if (!evoice) 1157 return -ENOMEM; 1158 pvoice->extra = evoice; 1159 evoice->substream = substream; 1160 } 1161 } else { 1162 if (evoice) { 1163 snd_ali_free_voice(codec, evoice); 1164 pvoice->extra = evoice = NULL; 1165 } 1166 } 1167 1168 return 0; 1169 } 1170 1171 static int snd_ali_playback_hw_free(struct snd_pcm_substream *substream) 1172 { 1173 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1174 struct snd_pcm_runtime *runtime = substream->runtime; 1175 struct snd_ali_voice *pvoice = runtime->private_data; 1176 struct snd_ali_voice *evoice = pvoice ? pvoice->extra : NULL; 1177 1178 snd_pcm_lib_free_pages(substream); 1179 if (evoice) { 1180 snd_ali_free_voice(codec, evoice); 1181 pvoice->extra = NULL; 1182 } 1183 return 0; 1184 } 1185 1186 static int snd_ali_hw_params(struct snd_pcm_substream *substream, 1187 struct snd_pcm_hw_params *hw_params) 1188 { 1189 return snd_pcm_lib_malloc_pages(substream, 1190 params_buffer_bytes(hw_params)); 1191 } 1192 1193 static int snd_ali_hw_free(struct snd_pcm_substream *substream) 1194 { 1195 return snd_pcm_lib_free_pages(substream); 1196 } 1197 1198 static int snd_ali_playback_prepare(struct snd_pcm_substream *substream) 1199 { 1200 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1201 struct snd_pcm_runtime *runtime = substream->runtime; 1202 struct snd_ali_voice *pvoice = runtime->private_data; 1203 struct snd_ali_voice *evoice = pvoice->extra; 1204 1205 unsigned int LBA; 1206 unsigned int Delta; 1207 unsigned int ESO; 1208 unsigned int CTRL; 1209 unsigned int GVSEL; 1210 unsigned int PAN; 1211 unsigned int VOL; 1212 unsigned int EC; 1213 1214 dev_dbg(codec->card->dev, "playback_prepare ...\n"); 1215 1216 spin_lock_irq(&codec->reg_lock); 1217 1218 /* set Delta (rate) value */ 1219 Delta = snd_ali_convert_rate(runtime->rate, 0); 1220 1221 if (pvoice->number == ALI_SPDIF_IN_CHANNEL || 1222 pvoice->number == ALI_PCM_IN_CHANNEL) 1223 snd_ali_disable_special_channel(codec, pvoice->number); 1224 else if (codec->spdif_support && 1225 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & 1226 ALI_SPDIF_OUT_CH_ENABLE) 1227 && pvoice->number == ALI_SPDIF_OUT_CHANNEL) { 1228 snd_ali_set_spdif_out_rate(codec, runtime->rate); 1229 Delta = 0x1000; 1230 } 1231 1232 /* set Loop Back Address */ 1233 LBA = runtime->dma_addr; 1234 1235 /* set interrupt count size */ 1236 pvoice->count = runtime->period_size; 1237 1238 /* set target ESO for channel */ 1239 pvoice->eso = runtime->buffer_size; 1240 1241 dev_dbg(codec->card->dev, "playback_prepare: eso=%xh count=%xh\n", 1242 pvoice->eso, pvoice->count); 1243 1244 /* set ESO to capture first MIDLP interrupt */ 1245 ESO = pvoice->eso -1; 1246 /* set ctrl mode */ 1247 CTRL = snd_ali_control_mode(substream); 1248 1249 GVSEL = 1; 1250 PAN = 0; 1251 VOL = 0; 1252 EC = 0; 1253 dev_dbg(codec->card->dev, "playback_prepare:\n"); 1254 dev_dbg(codec->card->dev, 1255 "ch=%d, Rate=%d Delta=%xh,GVSEL=%xh,PAN=%xh,CTRL=%xh\n", 1256 pvoice->number,runtime->rate,Delta,GVSEL,PAN,CTRL); 1257 snd_ali_write_voice_regs(codec, 1258 pvoice->number, 1259 LBA, 1260 0, /* cso */ 1261 ESO, 1262 Delta, 1263 0, /* alpha */ 1264 GVSEL, 1265 PAN, 1266 VOL, 1267 CTRL, 1268 EC); 1269 if (evoice) { 1270 evoice->count = pvoice->count; 1271 evoice->eso = pvoice->count << 1; 1272 ESO = evoice->eso - 1; 1273 snd_ali_write_voice_regs(codec, 1274 evoice->number, 1275 LBA, 1276 0, /* cso */ 1277 ESO, 1278 Delta, 1279 0, /* alpha */ 1280 GVSEL, 1281 0x7f, 1282 0x3ff, 1283 CTRL, 1284 EC); 1285 } 1286 spin_unlock_irq(&codec->reg_lock); 1287 return 0; 1288 } 1289 1290 1291 static int snd_ali_prepare(struct snd_pcm_substream *substream) 1292 { 1293 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1294 struct snd_pcm_runtime *runtime = substream->runtime; 1295 struct snd_ali_voice *pvoice = runtime->private_data; 1296 unsigned int LBA; 1297 unsigned int Delta; 1298 unsigned int ESO; 1299 unsigned int CTRL; 1300 unsigned int GVSEL; 1301 unsigned int PAN; 1302 unsigned int VOL; 1303 unsigned int EC; 1304 u8 bValue; 1305 1306 spin_lock_irq(&codec->reg_lock); 1307 1308 dev_dbg(codec->card->dev, "ali_prepare...\n"); 1309 1310 snd_ali_enable_special_channel(codec,pvoice->number); 1311 1312 Delta = (pvoice->number == ALI_MODEM_IN_CHANNEL || 1313 pvoice->number == ALI_MODEM_OUT_CHANNEL) ? 1314 0x1000 : snd_ali_convert_rate(runtime->rate, pvoice->mode); 1315 1316 /* Prepare capture intr channel */ 1317 if (pvoice->number == ALI_SPDIF_IN_CHANNEL) { 1318 1319 unsigned int rate; 1320 1321 spin_unlock_irq(&codec->reg_lock); 1322 if (codec->revision != ALI_5451_V02) 1323 return -1; 1324 1325 rate = snd_ali_get_spdif_in_rate(codec); 1326 if (rate == 0) { 1327 dev_warn(codec->card->dev, 1328 "ali_capture_prepare: spdif rate detect err!\n"); 1329 rate = 48000; 1330 } 1331 spin_lock_irq(&codec->reg_lock); 1332 bValue = inb(ALI_REG(codec,ALI_SPDIF_CTRL)); 1333 if (bValue & 0x10) { 1334 outb(bValue,ALI_REG(codec,ALI_SPDIF_CTRL)); 1335 dev_warn(codec->card->dev, 1336 "clear SPDIF parity error flag.\n"); 1337 } 1338 1339 if (rate != 48000) 1340 Delta = ((rate << 12) / runtime->rate) & 0x00ffff; 1341 } 1342 1343 /* set target ESO for channel */ 1344 pvoice->eso = runtime->buffer_size; 1345 1346 /* set interrupt count size */ 1347 pvoice->count = runtime->period_size; 1348 1349 /* set Loop Back Address */ 1350 LBA = runtime->dma_addr; 1351 1352 /* set ESO to capture first MIDLP interrupt */ 1353 ESO = pvoice->eso - 1; 1354 CTRL = snd_ali_control_mode(substream); 1355 GVSEL = 0; 1356 PAN = 0x00; 1357 VOL = 0x00; 1358 EC = 0; 1359 1360 snd_ali_write_voice_regs( codec, 1361 pvoice->number, 1362 LBA, 1363 0, /* cso */ 1364 ESO, 1365 Delta, 1366 0, /* alpha */ 1367 GVSEL, 1368 PAN, 1369 VOL, 1370 CTRL, 1371 EC); 1372 1373 spin_unlock_irq(&codec->reg_lock); 1374 1375 return 0; 1376 } 1377 1378 1379 static snd_pcm_uframes_t 1380 snd_ali_playback_pointer(struct snd_pcm_substream *substream) 1381 { 1382 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1383 struct snd_pcm_runtime *runtime = substream->runtime; 1384 struct snd_ali_voice *pvoice = runtime->private_data; 1385 unsigned int cso; 1386 1387 spin_lock(&codec->reg_lock); 1388 if (!pvoice->running) { 1389 spin_unlock(&codec->reg_lock); 1390 return 0; 1391 } 1392 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR)); 1393 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)); 1394 spin_unlock(&codec->reg_lock); 1395 dev_dbg(codec->card->dev, "playback pointer returned cso=%xh.\n", cso); 1396 1397 cso %= runtime->buffer_size; 1398 return cso; 1399 } 1400 1401 1402 static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream) 1403 { 1404 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1405 struct snd_pcm_runtime *runtime = substream->runtime; 1406 struct snd_ali_voice *pvoice = runtime->private_data; 1407 unsigned int cso; 1408 1409 spin_lock(&codec->reg_lock); 1410 if (!pvoice->running) { 1411 spin_unlock(&codec->reg_lock); 1412 return 0; 1413 } 1414 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR)); 1415 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)); 1416 spin_unlock(&codec->reg_lock); 1417 1418 cso %= runtime->buffer_size; 1419 return cso; 1420 } 1421 1422 static struct snd_pcm_hardware snd_ali_playback = 1423 { 1424 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1425 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1426 SNDRV_PCM_INFO_MMAP_VALID | 1427 SNDRV_PCM_INFO_RESUME | 1428 SNDRV_PCM_INFO_SYNC_START), 1429 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | 1430 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE), 1431 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 1432 .rate_min = 4000, 1433 .rate_max = 48000, 1434 .channels_min = 1, 1435 .channels_max = 2, 1436 .buffer_bytes_max = (256*1024), 1437 .period_bytes_min = 64, 1438 .period_bytes_max = (256*1024), 1439 .periods_min = 1, 1440 .periods_max = 1024, 1441 .fifo_size = 0, 1442 }; 1443 1444 /* 1445 * Capture support device description 1446 */ 1447 1448 static struct snd_pcm_hardware snd_ali_capture = 1449 { 1450 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1451 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1452 SNDRV_PCM_INFO_MMAP_VALID | 1453 SNDRV_PCM_INFO_RESUME | 1454 SNDRV_PCM_INFO_SYNC_START), 1455 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | 1456 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE), 1457 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 1458 .rate_min = 4000, 1459 .rate_max = 48000, 1460 .channels_min = 1, 1461 .channels_max = 2, 1462 .buffer_bytes_max = (128*1024), 1463 .period_bytes_min = 64, 1464 .period_bytes_max = (128*1024), 1465 .periods_min = 1, 1466 .periods_max = 1024, 1467 .fifo_size = 0, 1468 }; 1469 1470 static void snd_ali_pcm_free_substream(struct snd_pcm_runtime *runtime) 1471 { 1472 struct snd_ali_voice *pvoice = runtime->private_data; 1473 1474 if (pvoice) 1475 snd_ali_free_voice(pvoice->codec, pvoice); 1476 } 1477 1478 static int snd_ali_open(struct snd_pcm_substream *substream, int rec, 1479 int channel, struct snd_pcm_hardware *phw) 1480 { 1481 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1482 struct snd_pcm_runtime *runtime = substream->runtime; 1483 struct snd_ali_voice *pvoice; 1484 1485 pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, rec, 1486 channel); 1487 if (!pvoice) 1488 return -EAGAIN; 1489 1490 pvoice->substream = substream; 1491 runtime->private_data = pvoice; 1492 runtime->private_free = snd_ali_pcm_free_substream; 1493 1494 runtime->hw = *phw; 1495 snd_pcm_set_sync(substream); 1496 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 1497 0, 64*1024); 1498 return 0; 1499 } 1500 1501 static int snd_ali_playback_open(struct snd_pcm_substream *substream) 1502 { 1503 return snd_ali_open(substream, 0, -1, &snd_ali_playback); 1504 } 1505 1506 static int snd_ali_capture_open(struct snd_pcm_substream *substream) 1507 { 1508 return snd_ali_open(substream, 1, -1, &snd_ali_capture); 1509 } 1510 1511 static int snd_ali_playback_close(struct snd_pcm_substream *substream) 1512 { 1513 return 0; 1514 } 1515 1516 static int snd_ali_close(struct snd_pcm_substream *substream) 1517 { 1518 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1519 struct snd_ali_voice *pvoice = substream->runtime->private_data; 1520 1521 snd_ali_disable_special_channel(codec,pvoice->number); 1522 1523 return 0; 1524 } 1525 1526 static const struct snd_pcm_ops snd_ali_playback_ops = { 1527 .open = snd_ali_playback_open, 1528 .close = snd_ali_playback_close, 1529 .ioctl = snd_pcm_lib_ioctl, 1530 .hw_params = snd_ali_playback_hw_params, 1531 .hw_free = snd_ali_playback_hw_free, 1532 .prepare = snd_ali_playback_prepare, 1533 .trigger = snd_ali_trigger, 1534 .pointer = snd_ali_playback_pointer, 1535 }; 1536 1537 static const struct snd_pcm_ops snd_ali_capture_ops = { 1538 .open = snd_ali_capture_open, 1539 .close = snd_ali_close, 1540 .ioctl = snd_pcm_lib_ioctl, 1541 .hw_params = snd_ali_hw_params, 1542 .hw_free = snd_ali_hw_free, 1543 .prepare = snd_ali_prepare, 1544 .trigger = snd_ali_trigger, 1545 .pointer = snd_ali_pointer, 1546 }; 1547 1548 /* 1549 * Modem PCM 1550 */ 1551 1552 static int snd_ali_modem_hw_params(struct snd_pcm_substream *substream, 1553 struct snd_pcm_hw_params *hw_params) 1554 { 1555 struct snd_ali *chip = snd_pcm_substream_chip(substream); 1556 unsigned int modem_num = chip->num_of_codecs - 1; 1557 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_RATE, 1558 params_rate(hw_params)); 1559 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_LEVEL, 0); 1560 return snd_ali_hw_params(substream, hw_params); 1561 } 1562 1563 static struct snd_pcm_hardware snd_ali_modem = 1564 { 1565 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1566 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1567 SNDRV_PCM_INFO_MMAP_VALID | 1568 SNDRV_PCM_INFO_RESUME | 1569 SNDRV_PCM_INFO_SYNC_START), 1570 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1571 .rates = (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000 | 1572 SNDRV_PCM_RATE_16000), 1573 .rate_min = 8000, 1574 .rate_max = 16000, 1575 .channels_min = 1, 1576 .channels_max = 1, 1577 .buffer_bytes_max = (256*1024), 1578 .period_bytes_min = 64, 1579 .period_bytes_max = (256*1024), 1580 .periods_min = 1, 1581 .periods_max = 1024, 1582 .fifo_size = 0, 1583 }; 1584 1585 static int snd_ali_modem_open(struct snd_pcm_substream *substream, int rec, 1586 int channel) 1587 { 1588 static const unsigned int rates[] = {8000, 9600, 12000, 16000}; 1589 static const struct snd_pcm_hw_constraint_list hw_constraint_rates = { 1590 .count = ARRAY_SIZE(rates), 1591 .list = rates, 1592 .mask = 0, 1593 }; 1594 int err = snd_ali_open(substream, rec, channel, &snd_ali_modem); 1595 1596 if (err) 1597 return err; 1598 return snd_pcm_hw_constraint_list(substream->runtime, 0, 1599 SNDRV_PCM_HW_PARAM_RATE, &hw_constraint_rates); 1600 } 1601 1602 static int snd_ali_modem_playback_open(struct snd_pcm_substream *substream) 1603 { 1604 return snd_ali_modem_open(substream, 0, ALI_MODEM_OUT_CHANNEL); 1605 } 1606 1607 static int snd_ali_modem_capture_open(struct snd_pcm_substream *substream) 1608 { 1609 return snd_ali_modem_open(substream, 1, ALI_MODEM_IN_CHANNEL); 1610 } 1611 1612 static const struct snd_pcm_ops snd_ali_modem_playback_ops = { 1613 .open = snd_ali_modem_playback_open, 1614 .close = snd_ali_close, 1615 .ioctl = snd_pcm_lib_ioctl, 1616 .hw_params = snd_ali_modem_hw_params, 1617 .hw_free = snd_ali_hw_free, 1618 .prepare = snd_ali_prepare, 1619 .trigger = snd_ali_trigger, 1620 .pointer = snd_ali_pointer, 1621 }; 1622 1623 static const struct snd_pcm_ops snd_ali_modem_capture_ops = { 1624 .open = snd_ali_modem_capture_open, 1625 .close = snd_ali_close, 1626 .ioctl = snd_pcm_lib_ioctl, 1627 .hw_params = snd_ali_modem_hw_params, 1628 .hw_free = snd_ali_hw_free, 1629 .prepare = snd_ali_prepare, 1630 .trigger = snd_ali_trigger, 1631 .pointer = snd_ali_pointer, 1632 }; 1633 1634 1635 struct ali_pcm_description { 1636 char *name; 1637 unsigned int playback_num; 1638 unsigned int capture_num; 1639 const struct snd_pcm_ops *playback_ops; 1640 const struct snd_pcm_ops *capture_ops; 1641 unsigned short class; 1642 }; 1643 1644 1645 static void snd_ali_pcm_free(struct snd_pcm *pcm) 1646 { 1647 struct snd_ali *codec = pcm->private_data; 1648 codec->pcm[pcm->device] = NULL; 1649 } 1650 1651 1652 static int snd_ali_pcm(struct snd_ali *codec, int device, 1653 struct ali_pcm_description *desc) 1654 { 1655 struct snd_pcm *pcm; 1656 int err; 1657 1658 err = snd_pcm_new(codec->card, desc->name, device, 1659 desc->playback_num, desc->capture_num, &pcm); 1660 if (err < 0) { 1661 dev_err(codec->card->dev, 1662 "snd_ali_pcm: err called snd_pcm_new.\n"); 1663 return err; 1664 } 1665 pcm->private_data = codec; 1666 pcm->private_free = snd_ali_pcm_free; 1667 if (desc->playback_ops) 1668 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1669 desc->playback_ops); 1670 if (desc->capture_ops) 1671 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, 1672 desc->capture_ops); 1673 1674 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 1675 &codec->pci->dev, 1676 64*1024, 128*1024); 1677 1678 pcm->info_flags = 0; 1679 pcm->dev_class = desc->class; 1680 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1681 strcpy(pcm->name, desc->name); 1682 codec->pcm[0] = pcm; 1683 return 0; 1684 } 1685 1686 static struct ali_pcm_description ali_pcms[] = { 1687 { .name = "ALI 5451", 1688 .playback_num = ALI_CHANNELS, 1689 .capture_num = 1, 1690 .playback_ops = &snd_ali_playback_ops, 1691 .capture_ops = &snd_ali_capture_ops 1692 }, 1693 { .name = "ALI 5451 modem", 1694 .playback_num = 1, 1695 .capture_num = 1, 1696 .playback_ops = &snd_ali_modem_playback_ops, 1697 .capture_ops = &snd_ali_modem_capture_ops, 1698 .class = SNDRV_PCM_CLASS_MODEM 1699 } 1700 }; 1701 1702 static int snd_ali_build_pcms(struct snd_ali *codec) 1703 { 1704 int i, err; 1705 for (i = 0; i < codec->num_of_codecs && i < ARRAY_SIZE(ali_pcms); i++) { 1706 err = snd_ali_pcm(codec, i, &ali_pcms[i]); 1707 if (err < 0) 1708 return err; 1709 } 1710 return 0; 1711 } 1712 1713 1714 #define ALI5451_SPDIF(xname, xindex, value) \ 1715 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\ 1716 .info = snd_ali5451_spdif_info, .get = snd_ali5451_spdif_get, \ 1717 .put = snd_ali5451_spdif_put, .private_value = value} 1718 1719 #define snd_ali5451_spdif_info snd_ctl_boolean_mono_info 1720 1721 static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol, 1722 struct snd_ctl_elem_value *ucontrol) 1723 { 1724 struct snd_ali *codec = kcontrol->private_data; 1725 unsigned int spdif_enable; 1726 1727 spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0; 1728 1729 spin_lock_irq(&codec->reg_lock); 1730 switch (kcontrol->private_value) { 1731 case 0: 1732 spdif_enable = (codec->spdif_mask & 0x02) ? 1 : 0; 1733 break; 1734 case 1: 1735 spdif_enable = ((codec->spdif_mask & 0x02) && 1736 (codec->spdif_mask & 0x04)) ? 1 : 0; 1737 break; 1738 case 2: 1739 spdif_enable = (codec->spdif_mask & 0x01) ? 1 : 0; 1740 break; 1741 default: 1742 break; 1743 } 1744 ucontrol->value.integer.value[0] = spdif_enable; 1745 spin_unlock_irq(&codec->reg_lock); 1746 return 0; 1747 } 1748 1749 static int snd_ali5451_spdif_put(struct snd_kcontrol *kcontrol, 1750 struct snd_ctl_elem_value *ucontrol) 1751 { 1752 struct snd_ali *codec = kcontrol->private_data; 1753 unsigned int change = 0, spdif_enable = 0; 1754 1755 spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0; 1756 1757 spin_lock_irq(&codec->reg_lock); 1758 switch (kcontrol->private_value) { 1759 case 0: 1760 change = (codec->spdif_mask & 0x02) ? 1 : 0; 1761 change = change ^ spdif_enable; 1762 if (change) { 1763 if (spdif_enable) { 1764 codec->spdif_mask |= 0x02; 1765 snd_ali_enable_spdif_out(codec); 1766 } else { 1767 codec->spdif_mask &= ~(0x02); 1768 codec->spdif_mask &= ~(0x04); 1769 snd_ali_disable_spdif_out(codec); 1770 } 1771 } 1772 break; 1773 case 1: 1774 change = (codec->spdif_mask & 0x04) ? 1 : 0; 1775 change = change ^ spdif_enable; 1776 if (change && (codec->spdif_mask & 0x02)) { 1777 if (spdif_enable) { 1778 codec->spdif_mask |= 0x04; 1779 snd_ali_enable_spdif_chnout(codec); 1780 } else { 1781 codec->spdif_mask &= ~(0x04); 1782 snd_ali_disable_spdif_chnout(codec); 1783 } 1784 } 1785 break; 1786 case 2: 1787 change = (codec->spdif_mask & 0x01) ? 1 : 0; 1788 change = change ^ spdif_enable; 1789 if (change) { 1790 if (spdif_enable) { 1791 codec->spdif_mask |= 0x01; 1792 snd_ali_enable_spdif_in(codec); 1793 } else { 1794 codec->spdif_mask &= ~(0x01); 1795 snd_ali_disable_spdif_in(codec); 1796 } 1797 } 1798 break; 1799 default: 1800 break; 1801 } 1802 spin_unlock_irq(&codec->reg_lock); 1803 1804 return change; 1805 } 1806 1807 static struct snd_kcontrol_new snd_ali5451_mixer_spdif[] = { 1808 /* spdif aplayback switch */ 1809 /* FIXME: "IEC958 Playback Switch" may conflict with one on ac97_codec */ 1810 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 0, 0), 1811 /* spdif out to spdif channel */ 1812 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Channel Output ",NONE,SWITCH), 0, 1), 1813 /* spdif in from spdif channel */ 1814 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, 2) 1815 }; 1816 1817 static int snd_ali_mixer(struct snd_ali *codec) 1818 { 1819 struct snd_ac97_template ac97; 1820 unsigned int idx; 1821 int i, err; 1822 static struct snd_ac97_bus_ops ops = { 1823 .write = snd_ali_codec_write, 1824 .read = snd_ali_codec_read, 1825 }; 1826 1827 err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus); 1828 if (err < 0) 1829 return err; 1830 1831 memset(&ac97, 0, sizeof(ac97)); 1832 ac97.private_data = codec; 1833 1834 for (i = 0; i < codec->num_of_codecs; i++) { 1835 ac97.num = i; 1836 err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97[i]); 1837 if (err < 0) { 1838 dev_err(codec->card->dev, 1839 "ali mixer %d creating error.\n", i); 1840 if (i == 0) 1841 return err; 1842 codec->num_of_codecs = 1; 1843 break; 1844 } 1845 } 1846 1847 if (codec->spdif_support) { 1848 for (idx = 0; idx < ARRAY_SIZE(snd_ali5451_mixer_spdif); idx++) { 1849 err = snd_ctl_add(codec->card, 1850 snd_ctl_new1(&snd_ali5451_mixer_spdif[idx], codec)); 1851 if (err < 0) 1852 return err; 1853 } 1854 } 1855 return 0; 1856 } 1857 1858 #ifdef CONFIG_PM_SLEEP 1859 static int ali_suspend(struct device *dev) 1860 { 1861 struct snd_card *card = dev_get_drvdata(dev); 1862 struct snd_ali *chip = card->private_data; 1863 struct snd_ali_image *im; 1864 int i, j; 1865 1866 im = chip->image; 1867 if (!im) 1868 return 0; 1869 1870 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 1871 for (i = 0; i < chip->num_of_codecs; i++) 1872 snd_ac97_suspend(chip->ac97[i]); 1873 1874 spin_lock_irq(&chip->reg_lock); 1875 1876 im->regs[ALI_MISCINT >> 2] = inl(ALI_REG(chip, ALI_MISCINT)); 1877 /* im->regs[ALI_START >> 2] = inl(ALI_REG(chip, ALI_START)); */ 1878 im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP)); 1879 1880 /* disable all IRQ bits */ 1881 outl(0, ALI_REG(chip, ALI_MISCINT)); 1882 1883 for (i = 0; i < ALI_GLOBAL_REGS; i++) { 1884 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP)) 1885 continue; 1886 im->regs[i] = inl(ALI_REG(chip, i*4)); 1887 } 1888 1889 for (i = 0; i < ALI_CHANNELS; i++) { 1890 outb(i, ALI_REG(chip, ALI_GC_CIR)); 1891 for (j = 0; j < ALI_CHANNEL_REGS; j++) 1892 im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0)); 1893 } 1894 1895 /* stop all HW channel */ 1896 outl(0xffffffff, ALI_REG(chip, ALI_STOP)); 1897 1898 spin_unlock_irq(&chip->reg_lock); 1899 return 0; 1900 } 1901 1902 static int ali_resume(struct device *dev) 1903 { 1904 struct snd_card *card = dev_get_drvdata(dev); 1905 struct snd_ali *chip = card->private_data; 1906 struct snd_ali_image *im; 1907 int i, j; 1908 1909 im = chip->image; 1910 if (!im) 1911 return 0; 1912 1913 spin_lock_irq(&chip->reg_lock); 1914 1915 for (i = 0; i < ALI_CHANNELS; i++) { 1916 outb(i, ALI_REG(chip, ALI_GC_CIR)); 1917 for (j = 0; j < ALI_CHANNEL_REGS; j++) 1918 outl(im->channel_regs[i][j], ALI_REG(chip, j*4 + 0xe0)); 1919 } 1920 1921 for (i = 0; i < ALI_GLOBAL_REGS; i++) { 1922 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) || 1923 (i*4 == ALI_START)) 1924 continue; 1925 outl(im->regs[i], ALI_REG(chip, i*4)); 1926 } 1927 1928 /* start HW channel */ 1929 outl(im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START)); 1930 /* restore IRQ enable bits */ 1931 outl(im->regs[ALI_MISCINT >> 2], ALI_REG(chip, ALI_MISCINT)); 1932 1933 spin_unlock_irq(&chip->reg_lock); 1934 1935 for (i = 0 ; i < chip->num_of_codecs; i++) 1936 snd_ac97_resume(chip->ac97[i]); 1937 1938 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 1939 return 0; 1940 } 1941 1942 static SIMPLE_DEV_PM_OPS(ali_pm, ali_suspend, ali_resume); 1943 #define ALI_PM_OPS &ali_pm 1944 #else 1945 #define ALI_PM_OPS NULL 1946 #endif /* CONFIG_PM_SLEEP */ 1947 1948 static int snd_ali_free(struct snd_ali * codec) 1949 { 1950 if (codec->hw_initialized) 1951 snd_ali_disable_address_interrupt(codec); 1952 if (codec->irq >= 0) 1953 free_irq(codec->irq, codec); 1954 if (codec->port) 1955 pci_release_regions(codec->pci); 1956 pci_disable_device(codec->pci); 1957 #ifdef CONFIG_PM_SLEEP 1958 kfree(codec->image); 1959 #endif 1960 pci_dev_put(codec->pci_m1533); 1961 pci_dev_put(codec->pci_m7101); 1962 kfree(codec); 1963 return 0; 1964 } 1965 1966 static int snd_ali_chip_init(struct snd_ali *codec) 1967 { 1968 unsigned int legacy; 1969 unsigned char temp; 1970 struct pci_dev *pci_dev; 1971 1972 dev_dbg(codec->card->dev, "chip initializing ...\n"); 1973 1974 if (snd_ali_reset_5451(codec)) { 1975 dev_err(codec->card->dev, "ali_chip_init: reset 5451 error.\n"); 1976 return -1; 1977 } 1978 1979 if (codec->revision == ALI_5451_V02) { 1980 pci_dev = codec->pci_m1533; 1981 pci_read_config_byte(pci_dev, 0x59, &temp); 1982 temp |= 0x80; 1983 pci_write_config_byte(pci_dev, 0x59, temp); 1984 1985 pci_dev = codec->pci_m7101; 1986 pci_read_config_byte(pci_dev, 0xb8, &temp); 1987 temp |= 0x20; 1988 pci_write_config_byte(pci_dev, 0xB8, temp); 1989 } 1990 1991 pci_read_config_dword(codec->pci, 0x44, &legacy); 1992 legacy &= 0xff00ff00; 1993 legacy |= 0x000800aa; 1994 pci_write_config_dword(codec->pci, 0x44, legacy); 1995 1996 outl(0x80000001, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 1997 outl(0x00000000, ALI_REG(codec, ALI_AINTEN)); 1998 outl(0xffffffff, ALI_REG(codec, ALI_AINT)); 1999 outl(0x00000000, ALI_REG(codec, ALI_VOLUME)); 2000 outb(0x10, ALI_REG(codec, ALI_MPUR2)); 2001 2002 codec->ac97_ext_id = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_ID); 2003 codec->ac97_ext_status = snd_ali_codec_peek(codec, 0, 2004 AC97_EXTENDED_STATUS); 2005 if (codec->spdif_support) { 2006 snd_ali_enable_spdif_out(codec); 2007 codec->spdif_mask = 0x00000002; 2008 } 2009 2010 codec->num_of_codecs = 1; 2011 2012 /* secondary codec - modem */ 2013 if (inl(ALI_REG(codec, ALI_SCTRL)) & ALI_SCTRL_CODEC2_READY) { 2014 codec->num_of_codecs++; 2015 outl(inl(ALI_REG(codec, ALI_SCTRL)) | 2016 (ALI_SCTRL_LINE_IN2 | ALI_SCTRL_GPIO_IN2 | 2017 ALI_SCTRL_LINE_OUT_EN), 2018 ALI_REG(codec, ALI_SCTRL)); 2019 } 2020 2021 dev_dbg(codec->card->dev, "chip initialize succeed.\n"); 2022 return 0; 2023 2024 } 2025 2026 /* proc for register dump */ 2027 static void snd_ali_proc_read(struct snd_info_entry *entry, 2028 struct snd_info_buffer *buf) 2029 { 2030 struct snd_ali *codec = entry->private_data; 2031 int i; 2032 for (i = 0; i < 256 ; i+= 4) 2033 snd_iprintf(buf, "%02x: %08x\n", i, inl(ALI_REG(codec, i))); 2034 } 2035 2036 static void snd_ali_proc_init(struct snd_ali *codec) 2037 { 2038 snd_card_ro_proc_new(codec->card, "ali5451", codec, snd_ali_proc_read); 2039 } 2040 2041 static int snd_ali_resources(struct snd_ali *codec) 2042 { 2043 int err; 2044 2045 dev_dbg(codec->card->dev, "resources allocation ...\n"); 2046 err = pci_request_regions(codec->pci, "ALI 5451"); 2047 if (err < 0) 2048 return err; 2049 codec->port = pci_resource_start(codec->pci, 0); 2050 2051 if (request_irq(codec->pci->irq, snd_ali_card_interrupt, 2052 IRQF_SHARED, KBUILD_MODNAME, codec)) { 2053 dev_err(codec->card->dev, "Unable to request irq.\n"); 2054 return -EBUSY; 2055 } 2056 codec->irq = codec->pci->irq; 2057 dev_dbg(codec->card->dev, "resources allocated.\n"); 2058 return 0; 2059 } 2060 static int snd_ali_dev_free(struct snd_device *device) 2061 { 2062 struct snd_ali *codec = device->device_data; 2063 snd_ali_free(codec); 2064 return 0; 2065 } 2066 2067 static int snd_ali_create(struct snd_card *card, 2068 struct pci_dev *pci, 2069 int pcm_streams, 2070 int spdif_support, 2071 struct snd_ali **r_ali) 2072 { 2073 struct snd_ali *codec; 2074 int i, err; 2075 unsigned short cmdw; 2076 static struct snd_device_ops ops = { 2077 .dev_free = snd_ali_dev_free, 2078 }; 2079 2080 *r_ali = NULL; 2081 2082 dev_dbg(card->dev, "creating ...\n"); 2083 2084 /* enable PCI device */ 2085 err = pci_enable_device(pci); 2086 if (err < 0) 2087 return err; 2088 /* check, if we can restrict PCI DMA transfers to 31 bits */ 2089 if (dma_set_mask(&pci->dev, DMA_BIT_MASK(31)) < 0 || 2090 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(31)) < 0) { 2091 dev_err(card->dev, 2092 "architecture does not support 31bit PCI busmaster DMA\n"); 2093 pci_disable_device(pci); 2094 return -ENXIO; 2095 } 2096 2097 codec = kzalloc(sizeof(*codec), GFP_KERNEL); 2098 if (!codec) { 2099 pci_disable_device(pci); 2100 return -ENOMEM; 2101 } 2102 2103 spin_lock_init(&codec->reg_lock); 2104 spin_lock_init(&codec->voice_alloc); 2105 2106 codec->card = card; 2107 codec->pci = pci; 2108 codec->irq = -1; 2109 codec->revision = pci->revision; 2110 codec->spdif_support = spdif_support; 2111 2112 if (pcm_streams < 1) 2113 pcm_streams = 1; 2114 if (pcm_streams > 32) 2115 pcm_streams = 32; 2116 2117 pci_set_master(pci); 2118 pci_read_config_word(pci, PCI_COMMAND, &cmdw); 2119 if ((cmdw & PCI_COMMAND_IO) != PCI_COMMAND_IO) { 2120 cmdw |= PCI_COMMAND_IO; 2121 pci_write_config_word(pci, PCI_COMMAND, cmdw); 2122 } 2123 pci_set_master(pci); 2124 2125 if (snd_ali_resources(codec)) { 2126 snd_ali_free(codec); 2127 return -EBUSY; 2128 } 2129 2130 synchronize_irq(pci->irq); 2131 2132 codec->synth.chmap = 0; 2133 codec->synth.chcnt = 0; 2134 codec->spdif_mask = 0; 2135 codec->synth.synthcount = 0; 2136 2137 if (codec->revision == ALI_5451_V02) 2138 codec->chregs.regs.ac97read = ALI_AC97_WRITE; 2139 else 2140 codec->chregs.regs.ac97read = ALI_AC97_READ; 2141 codec->chregs.regs.ac97write = ALI_AC97_WRITE; 2142 2143 codec->chregs.regs.start = ALI_START; 2144 codec->chregs.regs.stop = ALI_STOP; 2145 codec->chregs.regs.aint = ALI_AINT; 2146 codec->chregs.regs.ainten = ALI_AINTEN; 2147 2148 codec->chregs.data.start = 0x00; 2149 codec->chregs.data.stop = 0x00; 2150 codec->chregs.data.aint = 0x00; 2151 codec->chregs.data.ainten = 0x00; 2152 2153 /* M1533: southbridge */ 2154 codec->pci_m1533 = pci_get_device(0x10b9, 0x1533, NULL); 2155 if (!codec->pci_m1533) { 2156 dev_err(card->dev, "cannot find ALi 1533 chip.\n"); 2157 snd_ali_free(codec); 2158 return -ENODEV; 2159 } 2160 /* M7101: power management */ 2161 codec->pci_m7101 = pci_get_device(0x10b9, 0x7101, NULL); 2162 if (!codec->pci_m7101 && codec->revision == ALI_5451_V02) { 2163 dev_err(card->dev, "cannot find ALi 7101 chip.\n"); 2164 snd_ali_free(codec); 2165 return -ENODEV; 2166 } 2167 2168 dev_dbg(card->dev, "snd_device_new is called.\n"); 2169 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops); 2170 if (err < 0) { 2171 snd_ali_free(codec); 2172 return err; 2173 } 2174 2175 /* initialise synth voices*/ 2176 for (i = 0; i < ALI_CHANNELS; i++) 2177 codec->synth.voices[i].number = i; 2178 2179 err = snd_ali_chip_init(codec); 2180 if (err < 0) { 2181 dev_err(card->dev, "ali create: chip init error.\n"); 2182 return err; 2183 } 2184 2185 #ifdef CONFIG_PM_SLEEP 2186 codec->image = kmalloc(sizeof(*codec->image), GFP_KERNEL); 2187 if (!codec->image) 2188 dev_warn(card->dev, "can't allocate apm buffer\n"); 2189 #endif 2190 2191 snd_ali_enable_address_interrupt(codec); 2192 codec->hw_initialized = 1; 2193 2194 *r_ali = codec; 2195 dev_dbg(card->dev, "created.\n"); 2196 return 0; 2197 } 2198 2199 static int snd_ali_probe(struct pci_dev *pci, 2200 const struct pci_device_id *pci_id) 2201 { 2202 struct snd_card *card; 2203 struct snd_ali *codec; 2204 int err; 2205 2206 dev_dbg(&pci->dev, "probe ...\n"); 2207 2208 err = snd_card_new(&pci->dev, index, id, THIS_MODULE, 0, &card); 2209 if (err < 0) 2210 return err; 2211 2212 err = snd_ali_create(card, pci, pcm_channels, spdif, &codec); 2213 if (err < 0) 2214 goto error; 2215 card->private_data = codec; 2216 2217 dev_dbg(&pci->dev, "mixer building ...\n"); 2218 err = snd_ali_mixer(codec); 2219 if (err < 0) 2220 goto error; 2221 2222 dev_dbg(&pci->dev, "pcm building ...\n"); 2223 err = snd_ali_build_pcms(codec); 2224 if (err < 0) 2225 goto error; 2226 2227 snd_ali_proc_init(codec); 2228 2229 strcpy(card->driver, "ALI5451"); 2230 strcpy(card->shortname, "ALI 5451"); 2231 2232 sprintf(card->longname, "%s at 0x%lx, irq %i", 2233 card->shortname, codec->port, codec->irq); 2234 2235 dev_dbg(&pci->dev, "register card.\n"); 2236 err = snd_card_register(card); 2237 if (err < 0) 2238 goto error; 2239 2240 pci_set_drvdata(pci, card); 2241 return 0; 2242 2243 error: 2244 snd_card_free(card); 2245 return err; 2246 } 2247 2248 static void snd_ali_remove(struct pci_dev *pci) 2249 { 2250 snd_card_free(pci_get_drvdata(pci)); 2251 } 2252 2253 static struct pci_driver ali5451_driver = { 2254 .name = KBUILD_MODNAME, 2255 .id_table = snd_ali_ids, 2256 .probe = snd_ali_probe, 2257 .remove = snd_ali_remove, 2258 .driver = { 2259 .pm = ALI_PM_OPS, 2260 }, 2261 }; 2262 2263 module_pci_driver(ali5451_driver); 2264