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 29MODULE_AUTHOR("Matt Wu <Matt_Wu@acersoftech.com.cn>"); 30MODULE_DESCRIPTION("ALI M5451"); 31MODULE_LICENSE("GPL"); 32MODULE_SUPPORTED_DEVICE("{{ALI,M5451,pci},{ALI,M5451}}"); 33 34static int index = SNDRV_DEFAULT_IDX1; /* Index */ 35static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ 36static int pcm_channels = 32; 37static bool spdif; 38 39module_param(index, int, 0444); 40MODULE_PARM_DESC(index, "Index value for ALI M5451 PCI Audio."); 41module_param(id, charp, 0444); 42MODULE_PARM_DESC(id, "ID string for ALI M5451 PCI Audio."); 43module_param(pcm_channels, int, 0444); 44MODULE_PARM_DESC(pcm_channels, "PCM Channels"); 45module_param(spdif, bool, 0444); 46MODULE_PARM_DESC(spdif, "Support SPDIF I/O"); 47 48/* just for backward compatibility */ 49static bool enable; 50module_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 147struct snd_ali; 148struct snd_ali_voice; 149 150struct 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 171struct 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 195struct 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 208struct snd_ali_image { 209 u32 regs[ALI_GLOBAL_REGS]; 210 u32 channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS]; 211}; 212 213 214struct 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 252static 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}; 256MODULE_DEVICE_TABLE(pci, snd_ali_ids); 257 258static void snd_ali_clear_voices(struct snd_ali *, unsigned int, unsigned int); 259static unsigned short snd_ali_codec_peek(struct snd_ali *, int, unsigned short); 260static void snd_ali_codec_poke(struct snd_ali *, int, unsigned short, 261 unsigned short); 262 263/* 264 * AC97 ACCESS 265 */ 266 267static 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 273static 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 280static 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 302static 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 323static 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 355static 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 390static 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 407static 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 420static 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 461static 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 471static 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 481static 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 491static 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 501static 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 515static 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 534static 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 583static 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 603static 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 615static 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 630static 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 686static 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 711static 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 726static 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 738static 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 761static 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 794static 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 812static 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 823static 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 833static 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 881static 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 909static 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 939static 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 964static 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 976static 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 1013static 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 1045static 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 1067static 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; 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 = 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 } 1114 } 1115 spin_lock(&codec->reg_lock); 1116 if (!do_start) 1117 outl(what, ALI_REG(codec, ALI_STOP)); 1118 val = inl(ALI_REG(codec, ALI_AINTEN)); 1119 if (do_start) 1120 val |= whati; 1121 else 1122 val &= ~whati; 1123 outl(val, ALI_REG(codec, ALI_AINTEN)); 1124 if (do_start) 1125 outl(what, ALI_REG(codec, ALI_START)); 1126 dev_dbg(codec->card->dev, "trigger: what=%xh whati=%xh\n", what, whati); 1127 spin_unlock(&codec->reg_lock); 1128 1129 return 0; 1130} 1131 1132static int snd_ali_playback_hw_params(struct snd_pcm_substream *substream, 1133 struct snd_pcm_hw_params *hw_params) 1134{ 1135 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1136 struct snd_pcm_runtime *runtime = substream->runtime; 1137 struct snd_ali_voice *pvoice = runtime->private_data; 1138 struct snd_ali_voice *evoice = pvoice->extra; 1139 1140 /* voice management */ 1141 1142 if (params_buffer_size(hw_params) / 2 != 1143 params_period_size(hw_params)) { 1144 if (!evoice) { 1145 evoice = snd_ali_alloc_voice(codec, 1146 SNDRV_ALI_VOICE_TYPE_PCM, 1147 0, -1); 1148 if (!evoice) 1149 return -ENOMEM; 1150 pvoice->extra = evoice; 1151 evoice->substream = substream; 1152 } 1153 } else { 1154 if (evoice) { 1155 snd_ali_free_voice(codec, evoice); 1156 pvoice->extra = evoice = NULL; 1157 } 1158 } 1159 1160 return 0; 1161} 1162 1163static int snd_ali_playback_hw_free(struct snd_pcm_substream *substream) 1164{ 1165 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1166 struct snd_pcm_runtime *runtime = substream->runtime; 1167 struct snd_ali_voice *pvoice = runtime->private_data; 1168 struct snd_ali_voice *evoice = pvoice ? pvoice->extra : NULL; 1169 1170 if (evoice) { 1171 snd_ali_free_voice(codec, evoice); 1172 pvoice->extra = NULL; 1173 } 1174 return 0; 1175} 1176 1177static int snd_ali_playback_prepare(struct snd_pcm_substream *substream) 1178{ 1179 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1180 struct snd_pcm_runtime *runtime = substream->runtime; 1181 struct snd_ali_voice *pvoice = runtime->private_data; 1182 struct snd_ali_voice *evoice = pvoice->extra; 1183 1184 unsigned int LBA; 1185 unsigned int Delta; 1186 unsigned int ESO; 1187 unsigned int CTRL; 1188 unsigned int GVSEL; 1189 unsigned int PAN; 1190 unsigned int VOL; 1191 unsigned int EC; 1192 1193 dev_dbg(codec->card->dev, "playback_prepare ...\n"); 1194 1195 spin_lock_irq(&codec->reg_lock); 1196 1197 /* set Delta (rate) value */ 1198 Delta = snd_ali_convert_rate(runtime->rate, 0); 1199 1200 if (pvoice->number == ALI_SPDIF_IN_CHANNEL || 1201 pvoice->number == ALI_PCM_IN_CHANNEL) 1202 snd_ali_disable_special_channel(codec, pvoice->number); 1203 else if (codec->spdif_support && 1204 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & 1205 ALI_SPDIF_OUT_CH_ENABLE) 1206 && pvoice->number == ALI_SPDIF_OUT_CHANNEL) { 1207 snd_ali_set_spdif_out_rate(codec, runtime->rate); 1208 Delta = 0x1000; 1209 } 1210 1211 /* set Loop Back Address */ 1212 LBA = runtime->dma_addr; 1213 1214 /* set interrupt count size */ 1215 pvoice->count = runtime->period_size; 1216 1217 /* set target ESO for channel */ 1218 pvoice->eso = runtime->buffer_size; 1219 1220 dev_dbg(codec->card->dev, "playback_prepare: eso=%xh count=%xh\n", 1221 pvoice->eso, pvoice->count); 1222 1223 /* set ESO to capture first MIDLP interrupt */ 1224 ESO = pvoice->eso -1; 1225 /* set ctrl mode */ 1226 CTRL = snd_ali_control_mode(substream); 1227 1228 GVSEL = 1; 1229 PAN = 0; 1230 VOL = 0; 1231 EC = 0; 1232 dev_dbg(codec->card->dev, "playback_prepare:\n"); 1233 dev_dbg(codec->card->dev, 1234 "ch=%d, Rate=%d Delta=%xh,GVSEL=%xh,PAN=%xh,CTRL=%xh\n", 1235 pvoice->number,runtime->rate,Delta,GVSEL,PAN,CTRL); 1236 snd_ali_write_voice_regs(codec, 1237 pvoice->number, 1238 LBA, 1239 0, /* cso */ 1240 ESO, 1241 Delta, 1242 0, /* alpha */ 1243 GVSEL, 1244 PAN, 1245 VOL, 1246 CTRL, 1247 EC); 1248 if (evoice) { 1249 evoice->count = pvoice->count; 1250 evoice->eso = pvoice->count << 1; 1251 ESO = evoice->eso - 1; 1252 snd_ali_write_voice_regs(codec, 1253 evoice->number, 1254 LBA, 1255 0, /* cso */ 1256 ESO, 1257 Delta, 1258 0, /* alpha */ 1259 GVSEL, 1260 0x7f, 1261 0x3ff, 1262 CTRL, 1263 EC); 1264 } 1265 spin_unlock_irq(&codec->reg_lock); 1266 return 0; 1267} 1268 1269 1270static int snd_ali_prepare(struct snd_pcm_substream *substream) 1271{ 1272 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1273 struct snd_pcm_runtime *runtime = substream->runtime; 1274 struct snd_ali_voice *pvoice = runtime->private_data; 1275 unsigned int LBA; 1276 unsigned int Delta; 1277 unsigned int ESO; 1278 unsigned int CTRL; 1279 unsigned int GVSEL; 1280 unsigned int PAN; 1281 unsigned int VOL; 1282 unsigned int EC; 1283 u8 bValue; 1284 1285 spin_lock_irq(&codec->reg_lock); 1286 1287 dev_dbg(codec->card->dev, "ali_prepare...\n"); 1288 1289 snd_ali_enable_special_channel(codec,pvoice->number); 1290 1291 Delta = (pvoice->number == ALI_MODEM_IN_CHANNEL || 1292 pvoice->number == ALI_MODEM_OUT_CHANNEL) ? 1293 0x1000 : snd_ali_convert_rate(runtime->rate, pvoice->mode); 1294 1295 /* Prepare capture intr channel */ 1296 if (pvoice->number == ALI_SPDIF_IN_CHANNEL) { 1297 1298 unsigned int rate; 1299 1300 spin_unlock_irq(&codec->reg_lock); 1301 if (codec->revision != ALI_5451_V02) 1302 return -1; 1303 1304 rate = snd_ali_get_spdif_in_rate(codec); 1305 if (rate == 0) { 1306 dev_warn(codec->card->dev, 1307 "ali_capture_prepare: spdif rate detect err!\n"); 1308 rate = 48000; 1309 } 1310 spin_lock_irq(&codec->reg_lock); 1311 bValue = inb(ALI_REG(codec,ALI_SPDIF_CTRL)); 1312 if (bValue & 0x10) { 1313 outb(bValue,ALI_REG(codec,ALI_SPDIF_CTRL)); 1314 dev_warn(codec->card->dev, 1315 "clear SPDIF parity error flag.\n"); 1316 } 1317 1318 if (rate != 48000) 1319 Delta = ((rate << 12) / runtime->rate) & 0x00ffff; 1320 } 1321 1322 /* set target ESO for channel */ 1323 pvoice->eso = runtime->buffer_size; 1324 1325 /* set interrupt count size */ 1326 pvoice->count = runtime->period_size; 1327 1328 /* set Loop Back Address */ 1329 LBA = runtime->dma_addr; 1330 1331 /* set ESO to capture first MIDLP interrupt */ 1332 ESO = pvoice->eso - 1; 1333 CTRL = snd_ali_control_mode(substream); 1334 GVSEL = 0; 1335 PAN = 0x00; 1336 VOL = 0x00; 1337 EC = 0; 1338 1339 snd_ali_write_voice_regs( codec, 1340 pvoice->number, 1341 LBA, 1342 0, /* cso */ 1343 ESO, 1344 Delta, 1345 0, /* alpha */ 1346 GVSEL, 1347 PAN, 1348 VOL, 1349 CTRL, 1350 EC); 1351 1352 spin_unlock_irq(&codec->reg_lock); 1353 1354 return 0; 1355} 1356 1357 1358static snd_pcm_uframes_t 1359snd_ali_playback_pointer(struct snd_pcm_substream *substream) 1360{ 1361 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1362 struct snd_pcm_runtime *runtime = substream->runtime; 1363 struct snd_ali_voice *pvoice = runtime->private_data; 1364 unsigned int cso; 1365 1366 spin_lock(&codec->reg_lock); 1367 if (!pvoice->running) { 1368 spin_unlock(&codec->reg_lock); 1369 return 0; 1370 } 1371 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR)); 1372 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)); 1373 spin_unlock(&codec->reg_lock); 1374 dev_dbg(codec->card->dev, "playback pointer returned cso=%xh.\n", cso); 1375 1376 cso %= runtime->buffer_size; 1377 return cso; 1378} 1379 1380 1381static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream) 1382{ 1383 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1384 struct snd_pcm_runtime *runtime = substream->runtime; 1385 struct snd_ali_voice *pvoice = runtime->private_data; 1386 unsigned int cso; 1387 1388 spin_lock(&codec->reg_lock); 1389 if (!pvoice->running) { 1390 spin_unlock(&codec->reg_lock); 1391 return 0; 1392 } 1393 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR)); 1394 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)); 1395 spin_unlock(&codec->reg_lock); 1396 1397 cso %= runtime->buffer_size; 1398 return cso; 1399} 1400 1401static const struct snd_pcm_hardware snd_ali_playback = 1402{ 1403 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1404 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1405 SNDRV_PCM_INFO_MMAP_VALID | 1406 SNDRV_PCM_INFO_RESUME | 1407 SNDRV_PCM_INFO_SYNC_START), 1408 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | 1409 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE), 1410 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 1411 .rate_min = 4000, 1412 .rate_max = 48000, 1413 .channels_min = 1, 1414 .channels_max = 2, 1415 .buffer_bytes_max = (256*1024), 1416 .period_bytes_min = 64, 1417 .period_bytes_max = (256*1024), 1418 .periods_min = 1, 1419 .periods_max = 1024, 1420 .fifo_size = 0, 1421}; 1422 1423/* 1424 * Capture support device description 1425 */ 1426 1427static const struct snd_pcm_hardware snd_ali_capture = 1428{ 1429 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1430 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1431 SNDRV_PCM_INFO_MMAP_VALID | 1432 SNDRV_PCM_INFO_RESUME | 1433 SNDRV_PCM_INFO_SYNC_START), 1434 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | 1435 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE), 1436 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 1437 .rate_min = 4000, 1438 .rate_max = 48000, 1439 .channels_min = 1, 1440 .channels_max = 2, 1441 .buffer_bytes_max = (128*1024), 1442 .period_bytes_min = 64, 1443 .period_bytes_max = (128*1024), 1444 .periods_min = 1, 1445 .periods_max = 1024, 1446 .fifo_size = 0, 1447}; 1448 1449static void snd_ali_pcm_free_substream(struct snd_pcm_runtime *runtime) 1450{ 1451 struct snd_ali_voice *pvoice = runtime->private_data; 1452 1453 if (pvoice) 1454 snd_ali_free_voice(pvoice->codec, pvoice); 1455} 1456 1457static int snd_ali_open(struct snd_pcm_substream *substream, int rec, 1458 int channel, const struct snd_pcm_hardware *phw) 1459{ 1460 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1461 struct snd_pcm_runtime *runtime = substream->runtime; 1462 struct snd_ali_voice *pvoice; 1463 1464 pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, rec, 1465 channel); 1466 if (!pvoice) 1467 return -EAGAIN; 1468 1469 pvoice->substream = substream; 1470 runtime->private_data = pvoice; 1471 runtime->private_free = snd_ali_pcm_free_substream; 1472 1473 runtime->hw = *phw; 1474 snd_pcm_set_sync(substream); 1475 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 1476 0, 64*1024); 1477 return 0; 1478} 1479 1480static int snd_ali_playback_open(struct snd_pcm_substream *substream) 1481{ 1482 return snd_ali_open(substream, 0, -1, &snd_ali_playback); 1483} 1484 1485static int snd_ali_capture_open(struct snd_pcm_substream *substream) 1486{ 1487 return snd_ali_open(substream, 1, -1, &snd_ali_capture); 1488} 1489 1490static int snd_ali_playback_close(struct snd_pcm_substream *substream) 1491{ 1492 return 0; 1493} 1494 1495static int snd_ali_close(struct snd_pcm_substream *substream) 1496{ 1497 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1498 struct snd_ali_voice *pvoice = substream->runtime->private_data; 1499 1500 snd_ali_disable_special_channel(codec,pvoice->number); 1501 1502 return 0; 1503} 1504 1505static const struct snd_pcm_ops snd_ali_playback_ops = { 1506 .open = snd_ali_playback_open, 1507 .close = snd_ali_playback_close, 1508 .hw_params = snd_ali_playback_hw_params, 1509 .hw_free = snd_ali_playback_hw_free, 1510 .prepare = snd_ali_playback_prepare, 1511 .trigger = snd_ali_trigger, 1512 .pointer = snd_ali_playback_pointer, 1513}; 1514 1515static const struct snd_pcm_ops snd_ali_capture_ops = { 1516 .open = snd_ali_capture_open, 1517 .close = snd_ali_close, 1518 .prepare = snd_ali_prepare, 1519 .trigger = snd_ali_trigger, 1520 .pointer = snd_ali_pointer, 1521}; 1522 1523/* 1524 * Modem PCM 1525 */ 1526 1527static int snd_ali_modem_hw_params(struct snd_pcm_substream *substream, 1528 struct snd_pcm_hw_params *hw_params) 1529{ 1530 struct snd_ali *chip = snd_pcm_substream_chip(substream); 1531 unsigned int modem_num = chip->num_of_codecs - 1; 1532 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_RATE, 1533 params_rate(hw_params)); 1534 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_LEVEL, 0); 1535 return 0; 1536} 1537 1538static const struct snd_pcm_hardware snd_ali_modem = 1539{ 1540 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1541 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1542 SNDRV_PCM_INFO_MMAP_VALID | 1543 SNDRV_PCM_INFO_RESUME | 1544 SNDRV_PCM_INFO_SYNC_START), 1545 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1546 .rates = (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000 | 1547 SNDRV_PCM_RATE_16000), 1548 .rate_min = 8000, 1549 .rate_max = 16000, 1550 .channels_min = 1, 1551 .channels_max = 1, 1552 .buffer_bytes_max = (256*1024), 1553 .period_bytes_min = 64, 1554 .period_bytes_max = (256*1024), 1555 .periods_min = 1, 1556 .periods_max = 1024, 1557 .fifo_size = 0, 1558}; 1559 1560static int snd_ali_modem_open(struct snd_pcm_substream *substream, int rec, 1561 int channel) 1562{ 1563 static const unsigned int rates[] = {8000, 9600, 12000, 16000}; 1564 static const struct snd_pcm_hw_constraint_list hw_constraint_rates = { 1565 .count = ARRAY_SIZE(rates), 1566 .list = rates, 1567 .mask = 0, 1568 }; 1569 int err = snd_ali_open(substream, rec, channel, &snd_ali_modem); 1570 1571 if (err) 1572 return err; 1573 return snd_pcm_hw_constraint_list(substream->runtime, 0, 1574 SNDRV_PCM_HW_PARAM_RATE, &hw_constraint_rates); 1575} 1576 1577static int snd_ali_modem_playback_open(struct snd_pcm_substream *substream) 1578{ 1579 return snd_ali_modem_open(substream, 0, ALI_MODEM_OUT_CHANNEL); 1580} 1581 1582static int snd_ali_modem_capture_open(struct snd_pcm_substream *substream) 1583{ 1584 return snd_ali_modem_open(substream, 1, ALI_MODEM_IN_CHANNEL); 1585} 1586 1587static const struct snd_pcm_ops snd_ali_modem_playback_ops = { 1588 .open = snd_ali_modem_playback_open, 1589 .close = snd_ali_close, 1590 .hw_params = snd_ali_modem_hw_params, 1591 .prepare = snd_ali_prepare, 1592 .trigger = snd_ali_trigger, 1593 .pointer = snd_ali_pointer, 1594}; 1595 1596static const struct snd_pcm_ops snd_ali_modem_capture_ops = { 1597 .open = snd_ali_modem_capture_open, 1598 .close = snd_ali_close, 1599 .hw_params = snd_ali_modem_hw_params, 1600 .prepare = snd_ali_prepare, 1601 .trigger = snd_ali_trigger, 1602 .pointer = snd_ali_pointer, 1603}; 1604 1605 1606struct ali_pcm_description { 1607 char *name; 1608 unsigned int playback_num; 1609 unsigned int capture_num; 1610 const struct snd_pcm_ops *playback_ops; 1611 const struct snd_pcm_ops *capture_ops; 1612 unsigned short class; 1613}; 1614 1615 1616static void snd_ali_pcm_free(struct snd_pcm *pcm) 1617{ 1618 struct snd_ali *codec = pcm->private_data; 1619 codec->pcm[pcm->device] = NULL; 1620} 1621 1622 1623static int snd_ali_pcm(struct snd_ali *codec, int device, 1624 struct ali_pcm_description *desc) 1625{ 1626 struct snd_pcm *pcm; 1627 int err; 1628 1629 err = snd_pcm_new(codec->card, desc->name, device, 1630 desc->playback_num, desc->capture_num, &pcm); 1631 if (err < 0) { 1632 dev_err(codec->card->dev, 1633 "snd_ali_pcm: err called snd_pcm_new.\n"); 1634 return err; 1635 } 1636 pcm->private_data = codec; 1637 pcm->private_free = snd_ali_pcm_free; 1638 if (desc->playback_ops) 1639 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1640 desc->playback_ops); 1641 if (desc->capture_ops) 1642 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, 1643 desc->capture_ops); 1644 1645 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, 1646 &codec->pci->dev, 64*1024, 128*1024); 1647 1648 pcm->info_flags = 0; 1649 pcm->dev_class = desc->class; 1650 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1651 strcpy(pcm->name, desc->name); 1652 codec->pcm[0] = pcm; 1653 return 0; 1654} 1655 1656static struct ali_pcm_description ali_pcms[] = { 1657 { .name = "ALI 5451", 1658 .playback_num = ALI_CHANNELS, 1659 .capture_num = 1, 1660 .playback_ops = &snd_ali_playback_ops, 1661 .capture_ops = &snd_ali_capture_ops 1662 }, 1663 { .name = "ALI 5451 modem", 1664 .playback_num = 1, 1665 .capture_num = 1, 1666 .playback_ops = &snd_ali_modem_playback_ops, 1667 .capture_ops = &snd_ali_modem_capture_ops, 1668 .class = SNDRV_PCM_CLASS_MODEM 1669 } 1670}; 1671 1672static int snd_ali_build_pcms(struct snd_ali *codec) 1673{ 1674 int i, err; 1675 for (i = 0; i < codec->num_of_codecs && i < ARRAY_SIZE(ali_pcms); i++) { 1676 err = snd_ali_pcm(codec, i, &ali_pcms[i]); 1677 if (err < 0) 1678 return err; 1679 } 1680 return 0; 1681} 1682 1683 1684#define ALI5451_SPDIF(xname, xindex, value) \ 1685{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\ 1686.info = snd_ali5451_spdif_info, .get = snd_ali5451_spdif_get, \ 1687.put = snd_ali5451_spdif_put, .private_value = value} 1688 1689#define snd_ali5451_spdif_info snd_ctl_boolean_mono_info 1690 1691static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol, 1692 struct snd_ctl_elem_value *ucontrol) 1693{ 1694 struct snd_ali *codec = kcontrol->private_data; 1695 unsigned int spdif_enable; 1696 1697 spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0; 1698 1699 spin_lock_irq(&codec->reg_lock); 1700 switch (kcontrol->private_value) { 1701 case 0: 1702 spdif_enable = (codec->spdif_mask & 0x02) ? 1 : 0; 1703 break; 1704 case 1: 1705 spdif_enable = ((codec->spdif_mask & 0x02) && 1706 (codec->spdif_mask & 0x04)) ? 1 : 0; 1707 break; 1708 case 2: 1709 spdif_enable = (codec->spdif_mask & 0x01) ? 1 : 0; 1710 break; 1711 default: 1712 break; 1713 } 1714 ucontrol->value.integer.value[0] = spdif_enable; 1715 spin_unlock_irq(&codec->reg_lock); 1716 return 0; 1717} 1718 1719static int snd_ali5451_spdif_put(struct snd_kcontrol *kcontrol, 1720 struct snd_ctl_elem_value *ucontrol) 1721{ 1722 struct snd_ali *codec = kcontrol->private_data; 1723 unsigned int change = 0, spdif_enable = 0; 1724 1725 spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0; 1726 1727 spin_lock_irq(&codec->reg_lock); 1728 switch (kcontrol->private_value) { 1729 case 0: 1730 change = (codec->spdif_mask & 0x02) ? 1 : 0; 1731 change = change ^ spdif_enable; 1732 if (change) { 1733 if (spdif_enable) { 1734 codec->spdif_mask |= 0x02; 1735 snd_ali_enable_spdif_out(codec); 1736 } else { 1737 codec->spdif_mask &= ~(0x02); 1738 codec->spdif_mask &= ~(0x04); 1739 snd_ali_disable_spdif_out(codec); 1740 } 1741 } 1742 break; 1743 case 1: 1744 change = (codec->spdif_mask & 0x04) ? 1 : 0; 1745 change = change ^ spdif_enable; 1746 if (change && (codec->spdif_mask & 0x02)) { 1747 if (spdif_enable) { 1748 codec->spdif_mask |= 0x04; 1749 snd_ali_enable_spdif_chnout(codec); 1750 } else { 1751 codec->spdif_mask &= ~(0x04); 1752 snd_ali_disable_spdif_chnout(codec); 1753 } 1754 } 1755 break; 1756 case 2: 1757 change = (codec->spdif_mask & 0x01) ? 1 : 0; 1758 change = change ^ spdif_enable; 1759 if (change) { 1760 if (spdif_enable) { 1761 codec->spdif_mask |= 0x01; 1762 snd_ali_enable_spdif_in(codec); 1763 } else { 1764 codec->spdif_mask &= ~(0x01); 1765 snd_ali_disable_spdif_in(codec); 1766 } 1767 } 1768 break; 1769 default: 1770 break; 1771 } 1772 spin_unlock_irq(&codec->reg_lock); 1773 1774 return change; 1775} 1776 1777static const struct snd_kcontrol_new snd_ali5451_mixer_spdif[] = { 1778 /* spdif aplayback switch */ 1779 /* FIXME: "IEC958 Playback Switch" may conflict with one on ac97_codec */ 1780 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 0, 0), 1781 /* spdif out to spdif channel */ 1782 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Channel Output ",NONE,SWITCH), 0, 1), 1783 /* spdif in from spdif channel */ 1784 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, 2) 1785}; 1786 1787static int snd_ali_mixer(struct snd_ali *codec) 1788{ 1789 struct snd_ac97_template ac97; 1790 unsigned int idx; 1791 int i, err; 1792 static const struct snd_ac97_bus_ops ops = { 1793 .write = snd_ali_codec_write, 1794 .read = snd_ali_codec_read, 1795 }; 1796 1797 err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus); 1798 if (err < 0) 1799 return err; 1800 1801 memset(&ac97, 0, sizeof(ac97)); 1802 ac97.private_data = codec; 1803 1804 for (i = 0; i < codec->num_of_codecs; i++) { 1805 ac97.num = i; 1806 err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97[i]); 1807 if (err < 0) { 1808 dev_err(codec->card->dev, 1809 "ali mixer %d creating error.\n", i); 1810 if (i == 0) 1811 return err; 1812 codec->num_of_codecs = 1; 1813 break; 1814 } 1815 } 1816 1817 if (codec->spdif_support) { 1818 for (idx = 0; idx < ARRAY_SIZE(snd_ali5451_mixer_spdif); idx++) { 1819 err = snd_ctl_add(codec->card, 1820 snd_ctl_new1(&snd_ali5451_mixer_spdif[idx], codec)); 1821 if (err < 0) 1822 return err; 1823 } 1824 } 1825 return 0; 1826} 1827 1828#ifdef CONFIG_PM_SLEEP 1829static int ali_suspend(struct device *dev) 1830{ 1831 struct snd_card *card = dev_get_drvdata(dev); 1832 struct snd_ali *chip = card->private_data; 1833 struct snd_ali_image *im; 1834 int i, j; 1835 1836 im = chip->image; 1837 if (!im) 1838 return 0; 1839 1840 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 1841 for (i = 0; i < chip->num_of_codecs; i++) 1842 snd_ac97_suspend(chip->ac97[i]); 1843 1844 spin_lock_irq(&chip->reg_lock); 1845 1846 im->regs[ALI_MISCINT >> 2] = inl(ALI_REG(chip, ALI_MISCINT)); 1847 /* im->regs[ALI_START >> 2] = inl(ALI_REG(chip, ALI_START)); */ 1848 im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP)); 1849 1850 /* disable all IRQ bits */ 1851 outl(0, ALI_REG(chip, ALI_MISCINT)); 1852 1853 for (i = 0; i < ALI_GLOBAL_REGS; i++) { 1854 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP)) 1855 continue; 1856 im->regs[i] = inl(ALI_REG(chip, i*4)); 1857 } 1858 1859 for (i = 0; i < ALI_CHANNELS; i++) { 1860 outb(i, ALI_REG(chip, ALI_GC_CIR)); 1861 for (j = 0; j < ALI_CHANNEL_REGS; j++) 1862 im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0)); 1863 } 1864 1865 /* stop all HW channel */ 1866 outl(0xffffffff, ALI_REG(chip, ALI_STOP)); 1867 1868 spin_unlock_irq(&chip->reg_lock); 1869 return 0; 1870} 1871 1872static int ali_resume(struct device *dev) 1873{ 1874 struct snd_card *card = dev_get_drvdata(dev); 1875 struct snd_ali *chip = card->private_data; 1876 struct snd_ali_image *im; 1877 int i, j; 1878 1879 im = chip->image; 1880 if (!im) 1881 return 0; 1882 1883 spin_lock_irq(&chip->reg_lock); 1884 1885 for (i = 0; i < ALI_CHANNELS; i++) { 1886 outb(i, ALI_REG(chip, ALI_GC_CIR)); 1887 for (j = 0; j < ALI_CHANNEL_REGS; j++) 1888 outl(im->channel_regs[i][j], ALI_REG(chip, j*4 + 0xe0)); 1889 } 1890 1891 for (i = 0; i < ALI_GLOBAL_REGS; i++) { 1892 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) || 1893 (i*4 == ALI_START)) 1894 continue; 1895 outl(im->regs[i], ALI_REG(chip, i*4)); 1896 } 1897 1898 /* start HW channel */ 1899 outl(im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START)); 1900 /* restore IRQ enable bits */ 1901 outl(im->regs[ALI_MISCINT >> 2], ALI_REG(chip, ALI_MISCINT)); 1902 1903 spin_unlock_irq(&chip->reg_lock); 1904 1905 for (i = 0 ; i < chip->num_of_codecs; i++) 1906 snd_ac97_resume(chip->ac97[i]); 1907 1908 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 1909 return 0; 1910} 1911 1912static SIMPLE_DEV_PM_OPS(ali_pm, ali_suspend, ali_resume); 1913#define ALI_PM_OPS &ali_pm 1914#else 1915#define ALI_PM_OPS NULL 1916#endif /* CONFIG_PM_SLEEP */ 1917 1918static int snd_ali_free(struct snd_ali * codec) 1919{ 1920 if (codec->hw_initialized) 1921 snd_ali_disable_address_interrupt(codec); 1922 if (codec->irq >= 0) 1923 free_irq(codec->irq, codec); 1924 if (codec->port) 1925 pci_release_regions(codec->pci); 1926 pci_disable_device(codec->pci); 1927#ifdef CONFIG_PM_SLEEP 1928 kfree(codec->image); 1929#endif 1930 pci_dev_put(codec->pci_m1533); 1931 pci_dev_put(codec->pci_m7101); 1932 kfree(codec); 1933 return 0; 1934} 1935 1936static int snd_ali_chip_init(struct snd_ali *codec) 1937{ 1938 unsigned int legacy; 1939 unsigned char temp; 1940 struct pci_dev *pci_dev; 1941 1942 dev_dbg(codec->card->dev, "chip initializing ...\n"); 1943 1944 if (snd_ali_reset_5451(codec)) { 1945 dev_err(codec->card->dev, "ali_chip_init: reset 5451 error.\n"); 1946 return -1; 1947 } 1948 1949 if (codec->revision == ALI_5451_V02) { 1950 pci_dev = codec->pci_m1533; 1951 pci_read_config_byte(pci_dev, 0x59, &temp); 1952 temp |= 0x80; 1953 pci_write_config_byte(pci_dev, 0x59, temp); 1954 1955 pci_dev = codec->pci_m7101; 1956 pci_read_config_byte(pci_dev, 0xb8, &temp); 1957 temp |= 0x20; 1958 pci_write_config_byte(pci_dev, 0xB8, temp); 1959 } 1960 1961 pci_read_config_dword(codec->pci, 0x44, &legacy); 1962 legacy &= 0xff00ff00; 1963 legacy |= 0x000800aa; 1964 pci_write_config_dword(codec->pci, 0x44, legacy); 1965 1966 outl(0x80000001, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 1967 outl(0x00000000, ALI_REG(codec, ALI_AINTEN)); 1968 outl(0xffffffff, ALI_REG(codec, ALI_AINT)); 1969 outl(0x00000000, ALI_REG(codec, ALI_VOLUME)); 1970 outb(0x10, ALI_REG(codec, ALI_MPUR2)); 1971 1972 codec->ac97_ext_id = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_ID); 1973 codec->ac97_ext_status = snd_ali_codec_peek(codec, 0, 1974 AC97_EXTENDED_STATUS); 1975 if (codec->spdif_support) { 1976 snd_ali_enable_spdif_out(codec); 1977 codec->spdif_mask = 0x00000002; 1978 } 1979 1980 codec->num_of_codecs = 1; 1981 1982 /* secondary codec - modem */ 1983 if (inl(ALI_REG(codec, ALI_SCTRL)) & ALI_SCTRL_CODEC2_READY) { 1984 codec->num_of_codecs++; 1985 outl(inl(ALI_REG(codec, ALI_SCTRL)) | 1986 (ALI_SCTRL_LINE_IN2 | ALI_SCTRL_GPIO_IN2 | 1987 ALI_SCTRL_LINE_OUT_EN), 1988 ALI_REG(codec, ALI_SCTRL)); 1989 } 1990 1991 dev_dbg(codec->card->dev, "chip initialize succeed.\n"); 1992 return 0; 1993 1994} 1995 1996/* proc for register dump */ 1997static void snd_ali_proc_read(struct snd_info_entry *entry, 1998 struct snd_info_buffer *buf) 1999{ 2000 struct snd_ali *codec = entry->private_data; 2001 int i; 2002 for (i = 0; i < 256 ; i+= 4) 2003 snd_iprintf(buf, "%02x: %08x\n", i, inl(ALI_REG(codec, i))); 2004} 2005 2006static void snd_ali_proc_init(struct snd_ali *codec) 2007{ 2008 snd_card_ro_proc_new(codec->card, "ali5451", codec, snd_ali_proc_read); 2009} 2010 2011static int snd_ali_resources(struct snd_ali *codec) 2012{ 2013 int err; 2014 2015 dev_dbg(codec->card->dev, "resources allocation ...\n"); 2016 err = pci_request_regions(codec->pci, "ALI 5451"); 2017 if (err < 0) 2018 return err; 2019 codec->port = pci_resource_start(codec->pci, 0); 2020 2021 if (request_irq(codec->pci->irq, snd_ali_card_interrupt, 2022 IRQF_SHARED, KBUILD_MODNAME, codec)) { 2023 dev_err(codec->card->dev, "Unable to request irq.\n"); 2024 return -EBUSY; 2025 } 2026 codec->irq = codec->pci->irq; 2027 codec->card->sync_irq = codec->irq; 2028 dev_dbg(codec->card->dev, "resources allocated.\n"); 2029 return 0; 2030} 2031static int snd_ali_dev_free(struct snd_device *device) 2032{ 2033 struct snd_ali *codec = device->device_data; 2034 snd_ali_free(codec); 2035 return 0; 2036} 2037 2038static int snd_ali_create(struct snd_card *card, 2039 struct pci_dev *pci, 2040 int pcm_streams, 2041 int spdif_support, 2042 struct snd_ali **r_ali) 2043{ 2044 struct snd_ali *codec; 2045 int i, err; 2046 unsigned short cmdw; 2047 static const struct snd_device_ops ops = { 2048 .dev_free = snd_ali_dev_free, 2049 }; 2050 2051 *r_ali = NULL; 2052 2053 dev_dbg(card->dev, "creating ...\n"); 2054 2055 /* enable PCI device */ 2056 err = pci_enable_device(pci); 2057 if (err < 0) 2058 return err; 2059 /* check, if we can restrict PCI DMA transfers to 31 bits */ 2060 if (dma_set_mask(&pci->dev, DMA_BIT_MASK(31)) < 0 || 2061 dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(31)) < 0) { 2062 dev_err(card->dev, 2063 "architecture does not support 31bit PCI busmaster DMA\n"); 2064 pci_disable_device(pci); 2065 return -ENXIO; 2066 } 2067 2068 codec = kzalloc(sizeof(*codec), GFP_KERNEL); 2069 if (!codec) { 2070 pci_disable_device(pci); 2071 return -ENOMEM; 2072 } 2073 2074 spin_lock_init(&codec->reg_lock); 2075 spin_lock_init(&codec->voice_alloc); 2076 2077 codec->card = card; 2078 codec->pci = pci; 2079 codec->irq = -1; 2080 codec->revision = pci->revision; 2081 codec->spdif_support = spdif_support; 2082 2083 if (pcm_streams < 1) 2084 pcm_streams = 1; 2085 if (pcm_streams > 32) 2086 pcm_streams = 32; 2087 2088 pci_set_master(pci); 2089 pci_read_config_word(pci, PCI_COMMAND, &cmdw); 2090 if ((cmdw & PCI_COMMAND_IO) != PCI_COMMAND_IO) { 2091 cmdw |= PCI_COMMAND_IO; 2092 pci_write_config_word(pci, PCI_COMMAND, cmdw); 2093 } 2094 pci_set_master(pci); 2095 2096 if (snd_ali_resources(codec)) { 2097 snd_ali_free(codec); 2098 return -EBUSY; 2099 } 2100 2101 codec->synth.chmap = 0; 2102 codec->synth.chcnt = 0; 2103 codec->spdif_mask = 0; 2104 codec->synth.synthcount = 0; 2105 2106 if (codec->revision == ALI_5451_V02) 2107 codec->chregs.regs.ac97read = ALI_AC97_WRITE; 2108 else 2109 codec->chregs.regs.ac97read = ALI_AC97_READ; 2110 codec->chregs.regs.ac97write = ALI_AC97_WRITE; 2111 2112 codec->chregs.regs.start = ALI_START; 2113 codec->chregs.regs.stop = ALI_STOP; 2114 codec->chregs.regs.aint = ALI_AINT; 2115 codec->chregs.regs.ainten = ALI_AINTEN; 2116 2117 codec->chregs.data.start = 0x00; 2118 codec->chregs.data.stop = 0x00; 2119 codec->chregs.data.aint = 0x00; 2120 codec->chregs.data.ainten = 0x00; 2121 2122 /* M1533: southbridge */ 2123 codec->pci_m1533 = pci_get_device(0x10b9, 0x1533, NULL); 2124 if (!codec->pci_m1533) { 2125 dev_err(card->dev, "cannot find ALi 1533 chip.\n"); 2126 snd_ali_free(codec); 2127 return -ENODEV; 2128 } 2129 /* M7101: power management */ 2130 codec->pci_m7101 = pci_get_device(0x10b9, 0x7101, NULL); 2131 if (!codec->pci_m7101 && codec->revision == ALI_5451_V02) { 2132 dev_err(card->dev, "cannot find ALi 7101 chip.\n"); 2133 snd_ali_free(codec); 2134 return -ENODEV; 2135 } 2136 2137 dev_dbg(card->dev, "snd_device_new is called.\n"); 2138 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops); 2139 if (err < 0) { 2140 snd_ali_free(codec); 2141 return err; 2142 } 2143 2144 /* initialise synth voices*/ 2145 for (i = 0; i < ALI_CHANNELS; i++) 2146 codec->synth.voices[i].number = i; 2147 2148 err = snd_ali_chip_init(codec); 2149 if (err < 0) { 2150 dev_err(card->dev, "ali create: chip init error.\n"); 2151 return err; 2152 } 2153 2154#ifdef CONFIG_PM_SLEEP 2155 codec->image = kmalloc(sizeof(*codec->image), GFP_KERNEL); 2156 if (!codec->image) 2157 dev_warn(card->dev, "can't allocate apm buffer\n"); 2158#endif 2159 2160 snd_ali_enable_address_interrupt(codec); 2161 codec->hw_initialized = 1; 2162 2163 *r_ali = codec; 2164 dev_dbg(card->dev, "created.\n"); 2165 return 0; 2166} 2167 2168static int snd_ali_probe(struct pci_dev *pci, 2169 const struct pci_device_id *pci_id) 2170{ 2171 struct snd_card *card; 2172 struct snd_ali *codec; 2173 int err; 2174 2175 dev_dbg(&pci->dev, "probe ...\n"); 2176 2177 err = snd_card_new(&pci->dev, index, id, THIS_MODULE, 0, &card); 2178 if (err < 0) 2179 return err; 2180 2181 err = snd_ali_create(card, pci, pcm_channels, spdif, &codec); 2182 if (err < 0) 2183 goto error; 2184 card->private_data = codec; 2185 2186 dev_dbg(&pci->dev, "mixer building ...\n"); 2187 err = snd_ali_mixer(codec); 2188 if (err < 0) 2189 goto error; 2190 2191 dev_dbg(&pci->dev, "pcm building ...\n"); 2192 err = snd_ali_build_pcms(codec); 2193 if (err < 0) 2194 goto error; 2195 2196 snd_ali_proc_init(codec); 2197 2198 strcpy(card->driver, "ALI5451"); 2199 strcpy(card->shortname, "ALI 5451"); 2200 2201 sprintf(card->longname, "%s at 0x%lx, irq %i", 2202 card->shortname, codec->port, codec->irq); 2203 2204 dev_dbg(&pci->dev, "register card.\n"); 2205 err = snd_card_register(card); 2206 if (err < 0) 2207 goto error; 2208 2209 pci_set_drvdata(pci, card); 2210 return 0; 2211 2212 error: 2213 snd_card_free(card); 2214 return err; 2215} 2216 2217static void snd_ali_remove(struct pci_dev *pci) 2218{ 2219 snd_card_free(pci_get_drvdata(pci)); 2220} 2221 2222static struct pci_driver ali5451_driver = { 2223 .name = KBUILD_MODNAME, 2224 .id_table = snd_ali_ids, 2225 .probe = snd_ali_probe, 2226 .remove = snd_ali_remove, 2227 .driver = { 2228 .pm = ALI_PM_OPS, 2229 }, 2230}; 2231 2232module_pci_driver(ali5451_driver); 2233