1 /* 2 * Matt Wu <Matt_Wu@acersoftech.com.cn> 3 * Apr 26, 2001 4 * Routines for control of ALi pci audio M5451 5 * 6 * BUGS: 7 * -- 8 * 9 * TODO: 10 * -- 11 * 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of the GNU General Public Lcodecnse as published by 14 * the Free Software Foundation; either version 2 of the Lcodecnse, or 15 * (at your option) any later version. 16 * 17 * This program is distributed in the hope that it will be useful, 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 * GNU General Public Lcodecnse for more details. 21 * 22 * You should have received a copy of the GNU General Public Lcodecnse 23 * along with this program; if not, write to the Free Software 24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 25 * 26 */ 27 28 #include <sound/driver.h> 29 #include <asm/io.h> 30 #include <linux/delay.h> 31 #include <linux/interrupt.h> 32 #include <linux/init.h> 33 #include <linux/pci.h> 34 #include <linux/slab.h> 35 #include <linux/moduleparam.h> 36 #include <linux/dma-mapping.h> 37 #include <sound/core.h> 38 #include <sound/pcm.h> 39 #include <sound/info.h> 40 #include <sound/ac97_codec.h> 41 #include <sound/mpu401.h> 42 #include <sound/initval.h> 43 44 MODULE_AUTHOR("Matt Wu <Matt_Wu@acersoftech.com.cn>"); 45 MODULE_DESCRIPTION("ALI M5451"); 46 MODULE_LICENSE("GPL"); 47 MODULE_SUPPORTED_DEVICE("{{ALI,M5451,pci},{ALI,M5451}}"); 48 49 static int index = SNDRV_DEFAULT_IDX1; /* Index */ 50 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ 51 static int pcm_channels = 32; 52 static int spdif; 53 54 module_param(index, int, 0444); 55 MODULE_PARM_DESC(index, "Index value for ALI M5451 PCI Audio."); 56 module_param(id, charp, 0444); 57 MODULE_PARM_DESC(id, "ID string for ALI M5451 PCI Audio."); 58 module_param(pcm_channels, int, 0444); 59 MODULE_PARM_DESC(pcm_channels, "PCM Channels"); 60 module_param(spdif, bool, 0444); 61 MODULE_PARM_DESC(spdif, "Support SPDIF I/O"); 62 63 /* just for backward compatibility */ 64 static int enable; 65 module_param(enable, bool, 0444); 66 67 68 /* 69 * Debug part definitions 70 */ 71 72 /* #define ALI_DEBUG */ 73 74 #ifdef ALI_DEBUG 75 #define snd_ali_printk(format, args...) printk(KERN_DEBUG format, ##args); 76 #else 77 #define snd_ali_printk(format, args...) 78 #endif 79 80 /* 81 * Constants definition 82 */ 83 84 #define DEVICE_ID_ALI5451 ((PCI_VENDOR_ID_AL<<16)|PCI_DEVICE_ID_AL_M5451) 85 86 87 #define ALI_CHANNELS 32 88 89 #define ALI_PCM_IN_CHANNEL 31 90 #define ALI_SPDIF_IN_CHANNEL 19 91 #define ALI_SPDIF_OUT_CHANNEL 15 92 #define ALI_CENTER_CHANNEL 24 93 #define ALI_LEF_CHANNEL 23 94 #define ALI_SURR_LEFT_CHANNEL 26 95 #define ALI_SURR_RIGHT_CHANNEL 25 96 #define ALI_MODEM_IN_CHANNEL 21 97 #define ALI_MODEM_OUT_CHANNEL 20 98 99 #define SNDRV_ALI_VOICE_TYPE_PCM 01 100 #define SNDRV_ALI_VOICE_TYPE_OTH 02 101 102 #define ALI_5451_V02 0x02 103 104 /* 105 * Direct Registers 106 */ 107 108 #define ALI_LEGACY_DMAR0 0x00 /* ADR0 */ 109 #define ALI_LEGACY_DMAR4 0x04 /* CNT0 */ 110 #define ALI_LEGACY_DMAR11 0x0b /* MOD */ 111 #define ALI_LEGACY_DMAR15 0x0f /* MMR */ 112 #define ALI_MPUR0 0x20 113 #define ALI_MPUR1 0x21 114 #define ALI_MPUR2 0x22 115 #define ALI_MPUR3 0x23 116 117 #define ALI_AC97_WRITE 0x40 118 #define ALI_AC97_READ 0x44 119 120 #define ALI_SCTRL 0x48 121 #define ALI_SPDIF_OUT_ENABLE 0x20 122 #define ALI_SCTRL_LINE_IN2 (1 << 9) 123 #define ALI_SCTRL_GPIO_IN2 (1 << 13) 124 #define ALI_SCTRL_LINE_OUT_EN (1 << 20) 125 #define ALI_SCTRL_GPIO_OUT_EN (1 << 23) 126 #define ALI_SCTRL_CODEC1_READY (1 << 24) 127 #define ALI_SCTRL_CODEC2_READY (1 << 25) 128 #define ALI_AC97_GPIO 0x4c 129 #define ALI_AC97_GPIO_ENABLE 0x8000 130 #define ALI_AC97_GPIO_DATA_SHIFT 16 131 #define ALI_SPDIF_CS 0x70 132 #define ALI_SPDIF_CTRL 0x74 133 #define ALI_SPDIF_IN_FUNC_ENABLE 0x02 134 #define ALI_SPDIF_IN_CH_STATUS 0x40 135 #define ALI_SPDIF_OUT_CH_STATUS 0xbf 136 #define ALI_START 0x80 137 #define ALI_STOP 0x84 138 #define ALI_CSPF 0x90 139 #define ALI_AINT 0x98 140 #define ALI_GC_CIR 0xa0 141 #define ENDLP_IE 0x00001000 142 #define MIDLP_IE 0x00002000 143 #define ALI_AINTEN 0xa4 144 #define ALI_VOLUME 0xa8 145 #define ALI_SBDELTA_DELTA_R 0xac 146 #define ALI_MISCINT 0xb0 147 #define ADDRESS_IRQ 0x00000020 148 #define TARGET_REACHED 0x00008000 149 #define MIXER_OVERFLOW 0x00000800 150 #define MIXER_UNDERFLOW 0x00000400 151 #define GPIO_IRQ 0x01000000 152 #define ALI_SBBL_SBCL 0xc0 153 #define ALI_SBCTRL_SBE2R_SBDD 0xc4 154 #define ALI_STIMER 0xc8 155 #define ALI_GLOBAL_CONTROL 0xd4 156 #define ALI_SPDIF_OUT_SEL_PCM 0x00000400 /* bit 10 */ 157 #define ALI_SPDIF_IN_SUPPORT 0x00000800 /* bit 11 */ 158 #define ALI_SPDIF_OUT_CH_ENABLE 0x00008000 /* bit 15 */ 159 #define ALI_SPDIF_IN_CH_ENABLE 0x00080000 /* bit 19 */ 160 #define ALI_PCM_IN_ENABLE 0x80000000 /* bit 31 */ 161 162 #define ALI_CSO_ALPHA_FMS 0xe0 163 #define ALI_LBA 0xe4 164 #define ALI_ESO_DELTA 0xe8 165 #define ALI_GVSEL_PAN_VOC_CTRL_EC 0xf0 166 #define ALI_EBUF1 0xf4 167 #define ALI_EBUF2 0xf8 168 169 #define ALI_REG(codec, x) ((codec)->port + x) 170 171 #define MAX_CODECS 2 172 173 174 struct snd_ali; 175 struct snd_ali_voice; 176 177 struct snd_ali_channel_control { 178 /* register data */ 179 struct REGDATA { 180 unsigned int start; 181 unsigned int stop; 182 unsigned int aint; 183 unsigned int ainten; 184 } data; 185 186 /* register addresses */ 187 struct REGS { 188 unsigned int start; 189 unsigned int stop; 190 unsigned int aint; 191 unsigned int ainten; 192 unsigned int ac97read; 193 unsigned int ac97write; 194 } regs; 195 196 }; 197 198 struct snd_ali_voice { 199 unsigned int number; 200 unsigned int use :1, 201 pcm :1, 202 midi :1, 203 mode :1, 204 synth :1, 205 running :1; 206 207 /* PCM data */ 208 struct snd_ali *codec; 209 struct snd_pcm_substream *substream; 210 struct snd_ali_voice *extra; 211 212 int eso; /* final ESO value for channel */ 213 int count; /* runtime->period_size */ 214 215 /* --- */ 216 217 void *private_data; 218 void (*private_free)(void *private_data); 219 }; 220 221 222 struct snd_alidev { 223 224 struct snd_ali_voice voices[ALI_CHANNELS]; 225 226 unsigned int chcnt; /* num of opened channels */ 227 unsigned int chmap; /* bitmap for opened channels */ 228 unsigned int synthcount; 229 230 }; 231 232 233 #define ALI_GLOBAL_REGS 56 234 #define ALI_CHANNEL_REGS 8 235 struct snd_ali_image { 236 u32 regs[ALI_GLOBAL_REGS]; 237 u32 channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS]; 238 }; 239 240 241 struct snd_ali { 242 int irq; 243 unsigned long port; 244 unsigned char revision; 245 246 unsigned int hw_initialized :1; 247 unsigned int spdif_support :1; 248 249 struct pci_dev *pci; 250 struct pci_dev *pci_m1533; 251 struct pci_dev *pci_m7101; 252 253 struct snd_card *card; 254 struct snd_pcm *pcm[MAX_CODECS]; 255 struct snd_alidev synth; 256 struct snd_ali_channel_control chregs; 257 258 /* S/PDIF Mask */ 259 unsigned int spdif_mask; 260 261 unsigned int spurious_irq_count; 262 unsigned int spurious_irq_max_delta; 263 264 unsigned int num_of_codecs; 265 266 struct snd_ac97_bus *ac97_bus; 267 struct snd_ac97 *ac97[MAX_CODECS]; 268 unsigned short ac97_ext_id; 269 unsigned short ac97_ext_status; 270 271 spinlock_t reg_lock; 272 spinlock_t voice_alloc; 273 274 #ifdef CONFIG_PM 275 struct snd_ali_image *image; 276 #endif 277 }; 278 279 static struct pci_device_id snd_ali_ids[] = { 280 {PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5451), 0, 0, 0}, 281 {0, } 282 }; 283 MODULE_DEVICE_TABLE(pci, snd_ali_ids); 284 285 static void snd_ali_clear_voices(struct snd_ali *, unsigned int, unsigned int); 286 static unsigned short snd_ali_codec_peek(struct snd_ali *, int, unsigned short); 287 static void snd_ali_codec_poke(struct snd_ali *, int, unsigned short, 288 unsigned short); 289 290 /* 291 * AC97 ACCESS 292 */ 293 294 static inline unsigned int snd_ali_5451_peek(struct snd_ali *codec, 295 unsigned int port) 296 { 297 return (unsigned int)inl(ALI_REG(codec, port)); 298 } 299 300 static inline void snd_ali_5451_poke(struct snd_ali *codec, 301 unsigned int port, 302 unsigned int val) 303 { 304 outl((unsigned int)val, ALI_REG(codec, port)); 305 } 306 307 static int snd_ali_codec_ready(struct snd_ali *codec, 308 unsigned int port) 309 { 310 unsigned long end_time; 311 unsigned int res; 312 313 end_time = jiffies + msecs_to_jiffies(250); 314 do { 315 res = snd_ali_5451_peek(codec,port); 316 if (!(res & 0x8000)) 317 return 0; 318 schedule_timeout_uninterruptible(1); 319 } while (time_after_eq(end_time, jiffies)); 320 snd_ali_5451_poke(codec, port, res & ~0x8000); 321 snd_printdd("ali_codec_ready: codec is not ready.\n "); 322 return -EIO; 323 } 324 325 static int snd_ali_stimer_ready(struct snd_ali *codec) 326 { 327 unsigned long end_time; 328 unsigned long dwChk1,dwChk2; 329 330 dwChk1 = snd_ali_5451_peek(codec, ALI_STIMER); 331 dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER); 332 333 end_time = jiffies + msecs_to_jiffies(250); 334 do { 335 dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER); 336 if (dwChk2 != dwChk1) 337 return 0; 338 schedule_timeout_uninterruptible(1); 339 } while (time_after_eq(end_time, jiffies)); 340 snd_printk(KERN_ERR "ali_stimer_read: stimer is not ready.\n"); 341 return -EIO; 342 } 343 344 static void snd_ali_codec_poke(struct snd_ali *codec,int secondary, 345 unsigned short reg, 346 unsigned short val) 347 { 348 unsigned int dwVal; 349 unsigned int port; 350 351 if (reg >= 0x80) { 352 snd_printk(KERN_ERR "ali_codec_poke: reg(%xh) invalid.\n", reg); 353 return; 354 } 355 356 port = codec->chregs.regs.ac97write; 357 358 if (snd_ali_codec_ready(codec, port) < 0) 359 return; 360 if (snd_ali_stimer_ready(codec) < 0) 361 return; 362 363 dwVal = (unsigned int) (reg & 0xff); 364 dwVal |= 0x8000 | (val << 16); 365 if (secondary) 366 dwVal |= 0x0080; 367 if (codec->revision == ALI_5451_V02) 368 dwVal |= 0x0100; 369 370 snd_ali_5451_poke(codec, port, dwVal); 371 372 return ; 373 } 374 375 static unsigned short snd_ali_codec_peek(struct snd_ali *codec, 376 int secondary, 377 unsigned short reg) 378 { 379 unsigned int dwVal; 380 unsigned int port; 381 382 if (reg >= 0x80) { 383 snd_printk(KERN_ERR "ali_codec_peek: reg(%xh) invalid.\n", reg); 384 return ~0; 385 } 386 387 port = codec->chregs.regs.ac97read; 388 389 if (snd_ali_codec_ready(codec, port) < 0) 390 return ~0; 391 if (snd_ali_stimer_ready(codec) < 0) 392 return ~0; 393 394 dwVal = (unsigned int) (reg & 0xff); 395 dwVal |= 0x8000; /* bit 15*/ 396 if (secondary) 397 dwVal |= 0x0080; 398 399 snd_ali_5451_poke(codec, port, dwVal); 400 401 if (snd_ali_stimer_ready(codec) < 0) 402 return ~0; 403 if (snd_ali_codec_ready(codec, port) < 0) 404 return ~0; 405 406 return (snd_ali_5451_peek(codec, port) & 0xffff0000) >> 16; 407 } 408 409 static void snd_ali_codec_write(struct snd_ac97 *ac97, 410 unsigned short reg, 411 unsigned short val ) 412 { 413 struct snd_ali *codec = ac97->private_data; 414 415 snd_ali_printk("codec_write: reg=%xh data=%xh.\n", reg, val); 416 if (reg == AC97_GPIO_STATUS) { 417 outl((val << ALI_AC97_GPIO_DATA_SHIFT) | ALI_AC97_GPIO_ENABLE, 418 ALI_REG(codec, ALI_AC97_GPIO)); 419 return; 420 } 421 snd_ali_codec_poke(codec, ac97->num, reg, val); 422 return ; 423 } 424 425 426 static unsigned short snd_ali_codec_read(struct snd_ac97 *ac97, 427 unsigned short reg) 428 { 429 struct snd_ali *codec = ac97->private_data; 430 431 snd_ali_printk("codec_read reg=%xh.\n", reg); 432 return snd_ali_codec_peek(codec, ac97->num, reg); 433 } 434 435 /* 436 * AC97 Reset 437 */ 438 439 static int snd_ali_reset_5451(struct snd_ali *codec) 440 { 441 struct pci_dev *pci_dev; 442 unsigned short wCount, wReg; 443 unsigned int dwVal; 444 445 pci_dev = codec->pci_m1533; 446 if (pci_dev) { 447 pci_read_config_dword(pci_dev, 0x7c, &dwVal); 448 pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000); 449 udelay(5000); 450 pci_read_config_dword(pci_dev, 0x7c, &dwVal); 451 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff); 452 udelay(5000); 453 } 454 455 pci_dev = codec->pci; 456 pci_read_config_dword(pci_dev, 0x44, &dwVal); 457 pci_write_config_dword(pci_dev, 0x44, dwVal | 0x000c0000); 458 udelay(500); 459 pci_read_config_dword(pci_dev, 0x44, &dwVal); 460 pci_write_config_dword(pci_dev, 0x44, dwVal & 0xfffbffff); 461 udelay(5000); 462 463 wCount = 200; 464 while(wCount--) { 465 wReg = snd_ali_codec_peek(codec, 0, AC97_POWERDOWN); 466 if ((wReg & 0x000f) == 0x000f) 467 return 0; 468 udelay(5000); 469 } 470 471 /* non-fatal if you have a non PM capable codec */ 472 /* snd_printk(KERN_WARNING "ali5451: reset time out\n"); */ 473 return 0; 474 } 475 476 #ifdef CODEC_RESET 477 478 static int snd_ali_reset_codec(struct snd_ali *codec) 479 { 480 struct pci_dev *pci_dev; 481 unsigned char bVal; 482 unsigned int dwVal; 483 unsigned short wCount, wReg; 484 485 pci_dev = codec->pci_m1533; 486 487 pci_read_config_dword(pci_dev, 0x7c, &dwVal); 488 pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000); 489 udelay(5000); 490 pci_read_config_dword(pci_dev, 0x7c, &dwVal); 491 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff); 492 udelay(5000); 493 494 bVal = inb(ALI_REG(codec,ALI_SCTRL)); 495 bVal |= 0x02; 496 outb(ALI_REG(codec,ALI_SCTRL),bVal); 497 udelay(5000); 498 bVal = inb(ALI_REG(codec,ALI_SCTRL)); 499 bVal &= 0xfd; 500 outb(ALI_REG(codec,ALI_SCTRL),bVal); 501 udelay(15000); 502 503 wCount = 200; 504 while (wCount--) { 505 wReg = snd_ali_codec_read(codec->ac97, AC97_POWERDOWN); 506 if ((wReg & 0x000f) == 0x000f) 507 return 0; 508 udelay(5000); 509 } 510 return -1; 511 } 512 513 #endif 514 515 /* 516 * ALI 5451 Controller 517 */ 518 519 static void snd_ali_enable_special_channel(struct snd_ali *codec, 520 unsigned int channel) 521 { 522 unsigned long dwVal; 523 524 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 525 dwVal |= 1 << (channel & 0x0000001f); 526 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 527 } 528 529 static void snd_ali_disable_special_channel(struct snd_ali *codec, 530 unsigned int channel) 531 { 532 unsigned long dwVal; 533 534 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 535 dwVal &= ~(1 << (channel & 0x0000001f)); 536 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 537 } 538 539 static void snd_ali_enable_address_interrupt(struct snd_ali *codec) 540 { 541 unsigned int gc; 542 543 gc = inl(ALI_REG(codec, ALI_GC_CIR)); 544 gc |= ENDLP_IE; 545 gc |= MIDLP_IE; 546 outl( gc, ALI_REG(codec, ALI_GC_CIR)); 547 } 548 549 static void snd_ali_disable_address_interrupt(struct snd_ali *codec) 550 { 551 unsigned int gc; 552 553 gc = inl(ALI_REG(codec, ALI_GC_CIR)); 554 gc &= ~ENDLP_IE; 555 gc &= ~MIDLP_IE; 556 outl(gc, ALI_REG(codec, ALI_GC_CIR)); 557 } 558 559 #if 0 /* not used */ 560 static void snd_ali_enable_voice_irq(struct snd_ali *codec, 561 unsigned int channel) 562 { 563 unsigned int mask; 564 struct snd_ali_channel_control *pchregs = &(codec->chregs); 565 566 snd_ali_printk("enable_voice_irq channel=%d\n",channel); 567 568 mask = 1 << (channel & 0x1f); 569 pchregs->data.ainten = inl(ALI_REG(codec, pchregs->regs.ainten)); 570 pchregs->data.ainten |= mask; 571 outl(pchregs->data.ainten, ALI_REG(codec, pchregs->regs.ainten)); 572 } 573 #endif 574 575 static void snd_ali_disable_voice_irq(struct snd_ali *codec, 576 unsigned int channel) 577 { 578 unsigned int mask; 579 struct snd_ali_channel_control *pchregs = &(codec->chregs); 580 581 snd_ali_printk("disable_voice_irq channel=%d\n",channel); 582 583 mask = 1 << (channel & 0x1f); 584 pchregs->data.ainten = inl(ALI_REG(codec, pchregs->regs.ainten)); 585 pchregs->data.ainten &= ~mask; 586 outl(pchregs->data.ainten, ALI_REG(codec, pchregs->regs.ainten)); 587 } 588 589 static int snd_ali_alloc_pcm_channel(struct snd_ali *codec, int channel) 590 { 591 unsigned int idx = channel & 0x1f; 592 593 if (codec->synth.chcnt >= ALI_CHANNELS){ 594 snd_printk(KERN_ERR 595 "ali_alloc_pcm_channel: no free channels.\n"); 596 return -1; 597 } 598 599 if (!(codec->synth.chmap & (1 << idx))) { 600 codec->synth.chmap |= 1 << idx; 601 codec->synth.chcnt++; 602 snd_ali_printk("alloc_pcm_channel no. %d.\n",idx); 603 return idx; 604 } 605 return -1; 606 } 607 608 static int snd_ali_find_free_channel(struct snd_ali * codec, int rec) 609 { 610 int idx; 611 int result = -1; 612 613 snd_ali_printk("find_free_channel: for %s\n",rec ? "rec" : "pcm"); 614 615 /* recording */ 616 if (rec) { 617 if (codec->spdif_support && 618 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & 619 ALI_SPDIF_IN_SUPPORT)) 620 idx = ALI_SPDIF_IN_CHANNEL; 621 else 622 idx = ALI_PCM_IN_CHANNEL; 623 624 result = snd_ali_alloc_pcm_channel(codec, idx); 625 if (result >= 0) 626 return result; 627 else { 628 snd_printk(KERN_ERR "ali_find_free_channel: " 629 "record channel is busy now.\n"); 630 return -1; 631 } 632 } 633 634 /* playback... */ 635 if (codec->spdif_support && 636 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & 637 ALI_SPDIF_OUT_CH_ENABLE)) { 638 idx = ALI_SPDIF_OUT_CHANNEL; 639 result = snd_ali_alloc_pcm_channel(codec, idx); 640 if (result >= 0) 641 return result; 642 else 643 snd_printk(KERN_ERR "ali_find_free_channel: " 644 "S/PDIF out channel is in busy now.\n"); 645 } 646 647 for (idx = 0; idx < ALI_CHANNELS; idx++) { 648 result = snd_ali_alloc_pcm_channel(codec, idx); 649 if (result >= 0) 650 return result; 651 } 652 snd_printk(KERN_ERR "ali_find_free_channel: no free channels.\n"); 653 return -1; 654 } 655 656 static void snd_ali_free_channel_pcm(struct snd_ali *codec, int channel) 657 { 658 unsigned int idx = channel & 0x0000001f; 659 660 snd_ali_printk("free_channel_pcm channel=%d\n",channel); 661 662 if (channel < 0 || channel >= ALI_CHANNELS) 663 return; 664 665 if (!(codec->synth.chmap & (1 << idx))) { 666 snd_printk(KERN_ERR "ali_free_channel_pcm: " 667 "channel %d is not in use.\n", channel); 668 return; 669 } else { 670 codec->synth.chmap &= ~(1 << idx); 671 codec->synth.chcnt--; 672 } 673 } 674 675 #if 0 /* not used */ 676 static void snd_ali_start_voice(struct snd_ali *codec, unsigned int channel) 677 { 678 unsigned int mask = 1 << (channel & 0x1f); 679 680 snd_ali_printk("start_voice: channel=%d\n",channel); 681 outl(mask, ALI_REG(codec,codec->chregs.regs.start)); 682 } 683 #endif 684 685 static void snd_ali_stop_voice(struct snd_ali *codec, unsigned int channel) 686 { 687 unsigned int mask = 1 << (channel & 0x1f); 688 689 snd_ali_printk("stop_voice: channel=%d\n",channel); 690 outl(mask, ALI_REG(codec, codec->chregs.regs.stop)); 691 } 692 693 /* 694 * S/PDIF Part 695 */ 696 697 static void snd_ali_delay(struct snd_ali *codec,int interval) 698 { 699 unsigned long begintimer,currenttimer; 700 701 begintimer = inl(ALI_REG(codec, ALI_STIMER)); 702 currenttimer = inl(ALI_REG(codec, ALI_STIMER)); 703 704 while (currenttimer < begintimer + interval) { 705 if (snd_ali_stimer_ready(codec) < 0) 706 break; 707 currenttimer = inl(ALI_REG(codec, ALI_STIMER)); 708 cpu_relax(); 709 } 710 } 711 712 static void snd_ali_detect_spdif_rate(struct snd_ali *codec) 713 { 714 u16 wval; 715 u16 count = 0; 716 u8 bval, R1 = 0, R2; 717 718 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1)); 719 bval |= 0x1F; 720 outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL + 1)); 721 722 while ((R1 < 0x0b || R1 > 0x0e) && R1 != 0x12 && count <= 50000) { 723 count ++; 724 snd_ali_delay(codec, 6); 725 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1)); 726 R1 = bval & 0x1F; 727 } 728 729 if (count > 50000) { 730 snd_printk(KERN_ERR "ali_detect_spdif_rate: timeout!\n"); 731 return; 732 } 733 734 for (count = 0; count <= 50000; count++) { 735 snd_ali_delay(codec, 6); 736 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1)); 737 R2 = bval & 0x1F; 738 if (R2 != R1) 739 R1 = R2; 740 else 741 break; 742 } 743 744 if (count > 50000) { 745 snd_printk(KERN_ERR "ali_detect_spdif_rate: timeout!\n"); 746 return; 747 } 748 749 if (R2 >= 0x0b && R2 <= 0x0e) { 750 wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2)); 751 wval &= 0xe0f0; 752 wval |= (0x09 << 8) | 0x05; 753 outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2)); 754 755 bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3)) & 0xf0; 756 outb(bval | 0x02, ALI_REG(codec, ALI_SPDIF_CS + 3)); 757 } else if (R2 == 0x12) { 758 wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2)); 759 wval &= 0xe0f0; 760 wval |= (0x0e << 8) | 0x08; 761 outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2)); 762 763 bval = inb(ALI_REG(codec,ALI_SPDIF_CS + 3)) & 0xf0; 764 outb(bval | 0x03, ALI_REG(codec, ALI_SPDIF_CS + 3)); 765 } 766 } 767 768 static unsigned int snd_ali_get_spdif_in_rate(struct snd_ali *codec) 769 { 770 u32 dwRate; 771 u8 bval; 772 773 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); 774 bval &= 0x7f; 775 bval |= 0x40; 776 outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL)); 777 778 snd_ali_detect_spdif_rate(codec); 779 780 bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3)); 781 bval &= 0x0f; 782 783 switch (bval) { 784 case 0: dwRate = 44100; break; 785 case 1: dwRate = 48000; break; 786 case 2: dwRate = 32000; break; 787 default: dwRate = 0; break; 788 } 789 790 return dwRate; 791 } 792 793 static void snd_ali_enable_spdif_in(struct snd_ali *codec) 794 { 795 unsigned int dwVal; 796 797 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 798 dwVal |= ALI_SPDIF_IN_SUPPORT; 799 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 800 801 dwVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); 802 dwVal |= 0x02; 803 outb(dwVal, ALI_REG(codec, ALI_SPDIF_CTRL)); 804 805 snd_ali_enable_special_channel(codec, ALI_SPDIF_IN_CHANNEL); 806 } 807 808 static void snd_ali_disable_spdif_in(struct snd_ali *codec) 809 { 810 unsigned int dwVal; 811 812 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 813 dwVal &= ~ALI_SPDIF_IN_SUPPORT; 814 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 815 816 snd_ali_disable_special_channel(codec, ALI_SPDIF_IN_CHANNEL); 817 } 818 819 820 static void snd_ali_set_spdif_out_rate(struct snd_ali *codec, unsigned int rate) 821 { 822 unsigned char bVal; 823 unsigned int dwRate; 824 825 switch (rate) { 826 case 32000: dwRate = 0x300; break; 827 case 48000: dwRate = 0x200; break; 828 default: dwRate = 0; break; 829 } 830 831 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); 832 bVal &= (unsigned char)(~(1<<6)); 833 834 bVal |= 0x80; /* select right */ 835 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL)); 836 outb(dwRate | 0x20, ALI_REG(codec, ALI_SPDIF_CS + 2)); 837 838 bVal &= ~0x80; /* select left */ 839 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL)); 840 outw(rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2)); 841 } 842 843 static void snd_ali_enable_spdif_out(struct snd_ali *codec) 844 { 845 unsigned short wVal; 846 unsigned char bVal; 847 struct pci_dev *pci_dev; 848 849 pci_dev = codec->pci_m1533; 850 if (pci_dev == NULL) 851 return; 852 pci_read_config_byte(pci_dev, 0x61, &bVal); 853 bVal |= 0x40; 854 pci_write_config_byte(pci_dev, 0x61, bVal); 855 pci_read_config_byte(pci_dev, 0x7d, &bVal); 856 bVal |= 0x01; 857 pci_write_config_byte(pci_dev, 0x7d, bVal); 858 859 pci_read_config_byte(pci_dev, 0x7e, &bVal); 860 bVal &= (~0x20); 861 bVal |= 0x10; 862 pci_write_config_byte(pci_dev, 0x7e, bVal); 863 864 bVal = inb(ALI_REG(codec, ALI_SCTRL)); 865 outb(bVal | ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL)); 866 867 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); 868 outb(bVal & ALI_SPDIF_OUT_CH_STATUS, ALI_REG(codec, ALI_SPDIF_CTRL)); 869 870 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 871 wVal |= ALI_SPDIF_OUT_SEL_PCM; 872 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 873 snd_ali_disable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL); 874 } 875 876 static void snd_ali_enable_spdif_chnout(struct snd_ali *codec) 877 { 878 unsigned short wVal; 879 880 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 881 wVal &= ~ALI_SPDIF_OUT_SEL_PCM; 882 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 883 /* 884 wVal = inw(ALI_REG(codec, ALI_SPDIF_CS)); 885 if (flag & ALI_SPDIF_OUT_NON_PCM) 886 wVal |= 0x0002; 887 else 888 wVal &= (~0x0002); 889 outw(wVal, ALI_REG(codec, ALI_SPDIF_CS)); 890 */ 891 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL); 892 } 893 894 static void snd_ali_disable_spdif_chnout(struct snd_ali *codec) 895 { 896 unsigned short wVal; 897 898 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 899 wVal |= ALI_SPDIF_OUT_SEL_PCM; 900 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 901 902 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL); 903 } 904 905 static void snd_ali_disable_spdif_out(struct snd_ali *codec) 906 { 907 unsigned char bVal; 908 909 bVal = inb(ALI_REG(codec, ALI_SCTRL)); 910 outb(bVal & ~ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL)); 911 912 snd_ali_disable_spdif_chnout(codec); 913 } 914 915 static void snd_ali_update_ptr(struct snd_ali *codec, int channel) 916 { 917 struct snd_ali_voice *pvoice; 918 struct snd_pcm_runtime *runtime; 919 struct snd_ali_channel_control *pchregs; 920 unsigned int old, mask; 921 #ifdef ALI_DEBUG 922 unsigned int temp, cspf; 923 #endif 924 925 pchregs = &(codec->chregs); 926 927 /* check if interrupt occurred for channel */ 928 old = pchregs->data.aint; 929 mask = 1U << (channel & 0x1f); 930 931 if (!(old & mask)) 932 return; 933 934 pvoice = &codec->synth.voices[channel]; 935 runtime = pvoice->substream->runtime; 936 937 udelay(100); 938 spin_lock(&codec->reg_lock); 939 940 if (pvoice->pcm && pvoice->substream) { 941 /* pcm interrupt */ 942 #ifdef ALI_DEBUG 943 outb((u8)(pvoice->number), ALI_REG(codec, ALI_GC_CIR)); 944 temp = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)); 945 cspf = (inl(ALI_REG(codec, ALI_CSPF)) & mask) == mask; 946 #endif 947 if (pvoice->running) { 948 snd_ali_printk("update_ptr: cso=%4.4x cspf=%d.\n", 949 (u16)temp, cspf); 950 spin_unlock(&codec->reg_lock); 951 snd_pcm_period_elapsed(pvoice->substream); 952 spin_lock(&codec->reg_lock); 953 } else { 954 snd_ali_stop_voice(codec, channel); 955 snd_ali_disable_voice_irq(codec, channel); 956 } 957 } else if (codec->synth.voices[channel].synth) { 958 /* synth interrupt */ 959 } else if (codec->synth.voices[channel].midi) { 960 /* midi interrupt */ 961 } else { 962 /* unknown interrupt */ 963 snd_ali_stop_voice(codec, channel); 964 snd_ali_disable_voice_irq(codec, channel); 965 } 966 spin_unlock(&codec->reg_lock); 967 outl(mask,ALI_REG(codec,pchregs->regs.aint)); 968 pchregs->data.aint = old & (~mask); 969 } 970 971 static irqreturn_t snd_ali_card_interrupt(int irq, void *dev_id) 972 { 973 struct snd_ali *codec = dev_id; 974 int channel; 975 unsigned int audio_int; 976 struct snd_ali_channel_control *pchregs; 977 978 if (codec == NULL || !codec->hw_initialized) 979 return IRQ_NONE; 980 981 audio_int = inl(ALI_REG(codec, ALI_MISCINT)); 982 if (!audio_int) 983 return IRQ_NONE; 984 985 pchregs = &(codec->chregs); 986 if (audio_int & ADDRESS_IRQ) { 987 /* get interrupt status for all channels */ 988 pchregs->data.aint = inl(ALI_REG(codec, pchregs->regs.aint)); 989 for (channel = 0; channel < ALI_CHANNELS; channel++) 990 snd_ali_update_ptr(codec, channel); 991 } 992 outl((TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW), 993 ALI_REG(codec, ALI_MISCINT)); 994 995 return IRQ_HANDLED; 996 } 997 998 999 static struct snd_ali_voice *snd_ali_alloc_voice(struct snd_ali * codec, 1000 int type, int rec, int channel) 1001 { 1002 struct snd_ali_voice *pvoice; 1003 int idx; 1004 1005 snd_ali_printk("alloc_voice: type=%d rec=%d\n", type, rec); 1006 1007 spin_lock_irq(&codec->voice_alloc); 1008 if (type == SNDRV_ALI_VOICE_TYPE_PCM) { 1009 idx = channel > 0 ? snd_ali_alloc_pcm_channel(codec, channel) : 1010 snd_ali_find_free_channel(codec,rec); 1011 if (idx < 0) { 1012 snd_printk(KERN_ERR "ali_alloc_voice: err.\n"); 1013 spin_unlock_irq(&codec->voice_alloc); 1014 return NULL; 1015 } 1016 pvoice = &(codec->synth.voices[idx]); 1017 pvoice->codec = codec; 1018 pvoice->use = 1; 1019 pvoice->pcm = 1; 1020 pvoice->mode = rec; 1021 spin_unlock_irq(&codec->voice_alloc); 1022 return pvoice; 1023 } 1024 spin_unlock_irq(&codec->voice_alloc); 1025 return NULL; 1026 } 1027 1028 1029 static void snd_ali_free_voice(struct snd_ali * codec, 1030 struct snd_ali_voice *pvoice) 1031 { 1032 void (*private_free)(void *); 1033 void *private_data; 1034 1035 snd_ali_printk("free_voice: channel=%d\n",pvoice->number); 1036 if (pvoice == NULL || !pvoice->use) 1037 return; 1038 snd_ali_clear_voices(codec, pvoice->number, pvoice->number); 1039 spin_lock_irq(&codec->voice_alloc); 1040 private_free = pvoice->private_free; 1041 private_data = pvoice->private_data; 1042 pvoice->private_free = NULL; 1043 pvoice->private_data = NULL; 1044 if (pvoice->pcm) 1045 snd_ali_free_channel_pcm(codec, pvoice->number); 1046 pvoice->use = pvoice->pcm = pvoice->synth = 0; 1047 pvoice->substream = NULL; 1048 spin_unlock_irq(&codec->voice_alloc); 1049 if (private_free) 1050 private_free(private_data); 1051 } 1052 1053 1054 static void snd_ali_clear_voices(struct snd_ali *codec, 1055 unsigned int v_min, 1056 unsigned int v_max) 1057 { 1058 unsigned int i; 1059 1060 for (i = v_min; i <= v_max; i++) { 1061 snd_ali_stop_voice(codec, i); 1062 snd_ali_disable_voice_irq(codec, i); 1063 } 1064 } 1065 1066 static void snd_ali_write_voice_regs(struct snd_ali *codec, 1067 unsigned int Channel, 1068 unsigned int LBA, 1069 unsigned int CSO, 1070 unsigned int ESO, 1071 unsigned int DELTA, 1072 unsigned int ALPHA_FMS, 1073 unsigned int GVSEL, 1074 unsigned int PAN, 1075 unsigned int VOL, 1076 unsigned int CTRL, 1077 unsigned int EC) 1078 { 1079 unsigned int ctlcmds[4]; 1080 1081 outb((unsigned char)(Channel & 0x001f), ALI_REG(codec, ALI_GC_CIR)); 1082 1083 ctlcmds[0] = (CSO << 16) | (ALPHA_FMS & 0x0000ffff); 1084 ctlcmds[1] = LBA; 1085 ctlcmds[2] = (ESO << 16) | (DELTA & 0x0ffff); 1086 ctlcmds[3] = (GVSEL << 31) | 1087 ((PAN & 0x0000007f) << 24) | 1088 ((VOL & 0x000000ff) << 16) | 1089 ((CTRL & 0x0000000f) << 12) | 1090 (EC & 0x00000fff); 1091 1092 outb(Channel, ALI_REG(codec, ALI_GC_CIR)); 1093 1094 outl(ctlcmds[0], ALI_REG(codec, ALI_CSO_ALPHA_FMS)); 1095 outl(ctlcmds[1], ALI_REG(codec, ALI_LBA)); 1096 outl(ctlcmds[2], ALI_REG(codec, ALI_ESO_DELTA)); 1097 outl(ctlcmds[3], ALI_REG(codec, ALI_GVSEL_PAN_VOC_CTRL_EC)); 1098 1099 outl(0x30000000, ALI_REG(codec, ALI_EBUF1)); /* Still Mode */ 1100 outl(0x30000000, ALI_REG(codec, ALI_EBUF2)); /* Still Mode */ 1101 } 1102 1103 static unsigned int snd_ali_convert_rate(unsigned int rate, int rec) 1104 { 1105 unsigned int delta; 1106 1107 if (rate < 4000) 1108 rate = 4000; 1109 if (rate > 48000) 1110 rate = 48000; 1111 1112 if (rec) { 1113 if (rate == 44100) 1114 delta = 0x116a; 1115 else if (rate == 8000) 1116 delta = 0x6000; 1117 else if (rate == 48000) 1118 delta = 0x1000; 1119 else 1120 delta = ((48000 << 12) / rate) & 0x0000ffff; 1121 } else { 1122 if (rate == 44100) 1123 delta = 0xeb3; 1124 else if (rate == 8000) 1125 delta = 0x2ab; 1126 else if (rate == 48000) 1127 delta = 0x1000; 1128 else 1129 delta = (((rate << 12) + rate) / 48000) & 0x0000ffff; 1130 } 1131 1132 return delta; 1133 } 1134 1135 static unsigned int snd_ali_control_mode(struct snd_pcm_substream *substream) 1136 { 1137 unsigned int CTRL; 1138 struct snd_pcm_runtime *runtime = substream->runtime; 1139 1140 /* set ctrl mode 1141 CTRL default: 8-bit (unsigned) mono, loop mode enabled 1142 */ 1143 CTRL = 0x00000001; 1144 if (snd_pcm_format_width(runtime->format) == 16) 1145 CTRL |= 0x00000008; /* 16-bit data */ 1146 if (!snd_pcm_format_unsigned(runtime->format)) 1147 CTRL |= 0x00000002; /* signed data */ 1148 if (runtime->channels > 1) 1149 CTRL |= 0x00000004; /* stereo data */ 1150 return CTRL; 1151 } 1152 1153 /* 1154 * PCM part 1155 */ 1156 1157 static int snd_ali_trigger(struct snd_pcm_substream *substream, 1158 int cmd) 1159 1160 { 1161 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1162 struct snd_pcm_substream *s; 1163 unsigned int what, whati, capture_flag; 1164 struct snd_ali_voice *pvoice, *evoice; 1165 unsigned int val; 1166 int do_start; 1167 1168 switch (cmd) { 1169 case SNDRV_PCM_TRIGGER_START: 1170 case SNDRV_PCM_TRIGGER_RESUME: 1171 do_start = 1; 1172 break; 1173 case SNDRV_PCM_TRIGGER_STOP: 1174 case SNDRV_PCM_TRIGGER_SUSPEND: 1175 do_start = 0; 1176 break; 1177 default: 1178 return -EINVAL; 1179 } 1180 1181 what = whati = capture_flag = 0; 1182 snd_pcm_group_for_each_entry(s, substream) { 1183 if ((struct snd_ali *) snd_pcm_substream_chip(s) == codec) { 1184 pvoice = s->runtime->private_data; 1185 evoice = pvoice->extra; 1186 what |= 1 << (pvoice->number & 0x1f); 1187 if (evoice == NULL) 1188 whati |= 1 << (pvoice->number & 0x1f); 1189 else { 1190 whati |= 1 << (evoice->number & 0x1f); 1191 what |= 1 << (evoice->number & 0x1f); 1192 } 1193 if (do_start) { 1194 pvoice->running = 1; 1195 if (evoice != NULL) 1196 evoice->running = 1; 1197 } else { 1198 pvoice->running = 0; 1199 if (evoice != NULL) 1200 evoice->running = 0; 1201 } 1202 snd_pcm_trigger_done(s, substream); 1203 if (pvoice->mode) 1204 capture_flag = 1; 1205 } 1206 } 1207 spin_lock(&codec->reg_lock); 1208 if (!do_start) 1209 outl(what, ALI_REG(codec, ALI_STOP)); 1210 val = inl(ALI_REG(codec, ALI_AINTEN)); 1211 if (do_start) 1212 val |= whati; 1213 else 1214 val &= ~whati; 1215 outl(val, ALI_REG(codec, ALI_AINTEN)); 1216 if (do_start) 1217 outl(what, ALI_REG(codec, ALI_START)); 1218 snd_ali_printk("trigger: what=%xh whati=%xh\n", what, whati); 1219 spin_unlock(&codec->reg_lock); 1220 1221 return 0; 1222 } 1223 1224 static int snd_ali_playback_hw_params(struct snd_pcm_substream *substream, 1225 struct snd_pcm_hw_params *hw_params) 1226 { 1227 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1228 struct snd_pcm_runtime *runtime = substream->runtime; 1229 struct snd_ali_voice *pvoice = runtime->private_data; 1230 struct snd_ali_voice *evoice = pvoice->extra; 1231 int err; 1232 1233 err = snd_pcm_lib_malloc_pages(substream, 1234 params_buffer_bytes(hw_params)); 1235 if (err < 0) 1236 return err; 1237 1238 /* voice management */ 1239 1240 if (params_buffer_size(hw_params) / 2 != 1241 params_period_size(hw_params)) { 1242 if (!evoice) { 1243 evoice = snd_ali_alloc_voice(codec, 1244 SNDRV_ALI_VOICE_TYPE_PCM, 1245 0, -1); 1246 if (!evoice) 1247 return -ENOMEM; 1248 pvoice->extra = evoice; 1249 evoice->substream = substream; 1250 } 1251 } else { 1252 if (evoice) { 1253 snd_ali_free_voice(codec, evoice); 1254 pvoice->extra = evoice = NULL; 1255 } 1256 } 1257 1258 return 0; 1259 } 1260 1261 static int snd_ali_playback_hw_free(struct snd_pcm_substream *substream) 1262 { 1263 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1264 struct snd_pcm_runtime *runtime = substream->runtime; 1265 struct snd_ali_voice *pvoice = runtime->private_data; 1266 struct snd_ali_voice *evoice = pvoice ? pvoice->extra : NULL; 1267 1268 snd_pcm_lib_free_pages(substream); 1269 if (evoice) { 1270 snd_ali_free_voice(codec, evoice); 1271 pvoice->extra = NULL; 1272 } 1273 return 0; 1274 } 1275 1276 static int snd_ali_hw_params(struct snd_pcm_substream *substream, 1277 struct snd_pcm_hw_params *hw_params) 1278 { 1279 return snd_pcm_lib_malloc_pages(substream, 1280 params_buffer_bytes(hw_params)); 1281 } 1282 1283 static int snd_ali_hw_free(struct snd_pcm_substream *substream) 1284 { 1285 return snd_pcm_lib_free_pages(substream); 1286 } 1287 1288 static int snd_ali_playback_prepare(struct snd_pcm_substream *substream) 1289 { 1290 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1291 struct snd_pcm_runtime *runtime = substream->runtime; 1292 struct snd_ali_voice *pvoice = runtime->private_data; 1293 struct snd_ali_voice *evoice = pvoice->extra; 1294 1295 unsigned int LBA; 1296 unsigned int Delta; 1297 unsigned int ESO; 1298 unsigned int CTRL; 1299 unsigned int GVSEL; 1300 unsigned int PAN; 1301 unsigned int VOL; 1302 unsigned int EC; 1303 1304 snd_ali_printk("playback_prepare ...\n"); 1305 1306 spin_lock_irq(&codec->reg_lock); 1307 1308 /* set Delta (rate) value */ 1309 Delta = snd_ali_convert_rate(runtime->rate, 0); 1310 1311 if (pvoice->number == ALI_SPDIF_IN_CHANNEL || 1312 pvoice->number == ALI_PCM_IN_CHANNEL) 1313 snd_ali_disable_special_channel(codec, pvoice->number); 1314 else if (codec->spdif_support && 1315 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & 1316 ALI_SPDIF_OUT_CH_ENABLE) 1317 && pvoice->number == ALI_SPDIF_OUT_CHANNEL) { 1318 snd_ali_set_spdif_out_rate(codec, runtime->rate); 1319 Delta = 0x1000; 1320 } 1321 1322 /* set Loop Back Address */ 1323 LBA = runtime->dma_addr; 1324 1325 /* set interrupt count size */ 1326 pvoice->count = runtime->period_size; 1327 1328 /* set target ESO for channel */ 1329 pvoice->eso = runtime->buffer_size; 1330 1331 snd_ali_printk("playback_prepare: eso=%xh count=%xh\n", 1332 pvoice->eso, pvoice->count); 1333 1334 /* set ESO to capture first MIDLP interrupt */ 1335 ESO = pvoice->eso -1; 1336 /* set ctrl mode */ 1337 CTRL = snd_ali_control_mode(substream); 1338 1339 GVSEL = 1; 1340 PAN = 0; 1341 VOL = 0; 1342 EC = 0; 1343 snd_ali_printk("playback_prepare:\n"); 1344 snd_ali_printk("ch=%d, Rate=%d Delta=%xh,GVSEL=%xh,PAN=%xh,CTRL=%xh\n", 1345 pvoice->number,runtime->rate,Delta,GVSEL,PAN,CTRL); 1346 snd_ali_write_voice_regs(codec, 1347 pvoice->number, 1348 LBA, 1349 0, /* cso */ 1350 ESO, 1351 Delta, 1352 0, /* alpha */ 1353 GVSEL, 1354 PAN, 1355 VOL, 1356 CTRL, 1357 EC); 1358 if (evoice) { 1359 evoice->count = pvoice->count; 1360 evoice->eso = pvoice->count << 1; 1361 ESO = evoice->eso - 1; 1362 snd_ali_write_voice_regs(codec, 1363 evoice->number, 1364 LBA, 1365 0, /* cso */ 1366 ESO, 1367 Delta, 1368 0, /* alpha */ 1369 GVSEL, 1370 0x7f, 1371 0x3ff, 1372 CTRL, 1373 EC); 1374 } 1375 spin_unlock_irq(&codec->reg_lock); 1376 return 0; 1377 } 1378 1379 1380 static int snd_ali_prepare(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 LBA; 1386 unsigned int Delta; 1387 unsigned int ESO; 1388 unsigned int CTRL; 1389 unsigned int GVSEL; 1390 unsigned int PAN; 1391 unsigned int VOL; 1392 unsigned int EC; 1393 u8 bValue; 1394 1395 spin_lock_irq(&codec->reg_lock); 1396 1397 snd_ali_printk("ali_prepare...\n"); 1398 1399 snd_ali_enable_special_channel(codec,pvoice->number); 1400 1401 Delta = (pvoice->number == ALI_MODEM_IN_CHANNEL || 1402 pvoice->number == ALI_MODEM_OUT_CHANNEL) ? 1403 0x1000 : snd_ali_convert_rate(runtime->rate, pvoice->mode); 1404 1405 /* Prepare capture intr channel */ 1406 if (pvoice->number == ALI_SPDIF_IN_CHANNEL) { 1407 1408 unsigned int rate; 1409 1410 spin_unlock_irq(&codec->reg_lock); 1411 if (codec->revision != ALI_5451_V02) 1412 return -1; 1413 1414 rate = snd_ali_get_spdif_in_rate(codec); 1415 if (rate == 0) { 1416 snd_printk(KERN_WARNING "ali_capture_preapre: " 1417 "spdif rate detect err!\n"); 1418 rate = 48000; 1419 } 1420 spin_lock_irq(&codec->reg_lock); 1421 bValue = inb(ALI_REG(codec,ALI_SPDIF_CTRL)); 1422 if (bValue & 0x10) { 1423 outb(bValue,ALI_REG(codec,ALI_SPDIF_CTRL)); 1424 printk(KERN_WARNING "clear SPDIF parity error flag.\n"); 1425 } 1426 1427 if (rate != 48000) 1428 Delta = ((rate << 12) / runtime->rate) & 0x00ffff; 1429 } 1430 1431 /* set target ESO for channel */ 1432 pvoice->eso = runtime->buffer_size; 1433 1434 /* set interrupt count size */ 1435 pvoice->count = runtime->period_size; 1436 1437 /* set Loop Back Address */ 1438 LBA = runtime->dma_addr; 1439 1440 /* set ESO to capture first MIDLP interrupt */ 1441 ESO = pvoice->eso - 1; 1442 CTRL = snd_ali_control_mode(substream); 1443 GVSEL = 0; 1444 PAN = 0x00; 1445 VOL = 0x00; 1446 EC = 0; 1447 1448 snd_ali_write_voice_regs( codec, 1449 pvoice->number, 1450 LBA, 1451 0, /* cso */ 1452 ESO, 1453 Delta, 1454 0, /* alpha */ 1455 GVSEL, 1456 PAN, 1457 VOL, 1458 CTRL, 1459 EC); 1460 1461 spin_unlock_irq(&codec->reg_lock); 1462 1463 return 0; 1464 } 1465 1466 1467 static snd_pcm_uframes_t 1468 snd_ali_playback_pointer(struct snd_pcm_substream *substream) 1469 { 1470 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1471 struct snd_pcm_runtime *runtime = substream->runtime; 1472 struct snd_ali_voice *pvoice = runtime->private_data; 1473 unsigned int cso; 1474 1475 spin_lock(&codec->reg_lock); 1476 if (!pvoice->running) { 1477 spin_unlock(&codec->reg_lock); 1478 return 0; 1479 } 1480 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR)); 1481 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)); 1482 spin_unlock(&codec->reg_lock); 1483 snd_ali_printk("playback pointer returned cso=%xh.\n", cso); 1484 1485 return cso; 1486 } 1487 1488 1489 static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream) 1490 { 1491 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1492 struct snd_pcm_runtime *runtime = substream->runtime; 1493 struct snd_ali_voice *pvoice = runtime->private_data; 1494 unsigned int cso; 1495 1496 spin_lock(&codec->reg_lock); 1497 if (!pvoice->running) { 1498 spin_unlock_irq(&codec->reg_lock); 1499 return 0; 1500 } 1501 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR)); 1502 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)); 1503 spin_unlock(&codec->reg_lock); 1504 1505 return cso; 1506 } 1507 1508 static struct snd_pcm_hardware snd_ali_playback = 1509 { 1510 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1511 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1512 SNDRV_PCM_INFO_MMAP_VALID | 1513 SNDRV_PCM_INFO_RESUME | 1514 SNDRV_PCM_INFO_SYNC_START), 1515 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | 1516 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE), 1517 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 1518 .rate_min = 4000, 1519 .rate_max = 48000, 1520 .channels_min = 1, 1521 .channels_max = 2, 1522 .buffer_bytes_max = (256*1024), 1523 .period_bytes_min = 64, 1524 .period_bytes_max = (256*1024), 1525 .periods_min = 1, 1526 .periods_max = 1024, 1527 .fifo_size = 0, 1528 }; 1529 1530 /* 1531 * Capture support device description 1532 */ 1533 1534 static struct snd_pcm_hardware snd_ali_capture = 1535 { 1536 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1537 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1538 SNDRV_PCM_INFO_MMAP_VALID | 1539 SNDRV_PCM_INFO_RESUME | 1540 SNDRV_PCM_INFO_SYNC_START), 1541 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | 1542 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE), 1543 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 1544 .rate_min = 4000, 1545 .rate_max = 48000, 1546 .channels_min = 1, 1547 .channels_max = 2, 1548 .buffer_bytes_max = (128*1024), 1549 .period_bytes_min = 64, 1550 .period_bytes_max = (128*1024), 1551 .periods_min = 1, 1552 .periods_max = 1024, 1553 .fifo_size = 0, 1554 }; 1555 1556 static void snd_ali_pcm_free_substream(struct snd_pcm_runtime *runtime) 1557 { 1558 struct snd_ali_voice *pvoice = runtime->private_data; 1559 struct snd_ali *codec; 1560 1561 if (pvoice) { 1562 codec = pvoice->codec; 1563 snd_ali_free_voice(pvoice->codec, pvoice); 1564 } 1565 } 1566 1567 static int snd_ali_open(struct snd_pcm_substream *substream, int rec, 1568 int channel, struct snd_pcm_hardware *phw) 1569 { 1570 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1571 struct snd_pcm_runtime *runtime = substream->runtime; 1572 struct snd_ali_voice *pvoice; 1573 1574 pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, rec, 1575 channel); 1576 if (!pvoice) 1577 return -EAGAIN; 1578 1579 pvoice->substream = substream; 1580 runtime->private_data = pvoice; 1581 runtime->private_free = snd_ali_pcm_free_substream; 1582 1583 runtime->hw = *phw; 1584 snd_pcm_set_sync(substream); 1585 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 1586 0, 64*1024); 1587 return 0; 1588 } 1589 1590 static int snd_ali_playback_open(struct snd_pcm_substream *substream) 1591 { 1592 return snd_ali_open(substream, 0, -1, &snd_ali_playback); 1593 } 1594 1595 static int snd_ali_capture_open(struct snd_pcm_substream *substream) 1596 { 1597 return snd_ali_open(substream, 1, -1, &snd_ali_capture); 1598 } 1599 1600 static int snd_ali_playback_close(struct snd_pcm_substream *substream) 1601 { 1602 return 0; 1603 } 1604 1605 static int snd_ali_close(struct snd_pcm_substream *substream) 1606 { 1607 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1608 struct snd_ali_voice *pvoice = substream->runtime->private_data; 1609 1610 snd_ali_disable_special_channel(codec,pvoice->number); 1611 1612 return 0; 1613 } 1614 1615 static struct snd_pcm_ops snd_ali_playback_ops = { 1616 .open = snd_ali_playback_open, 1617 .close = snd_ali_playback_close, 1618 .ioctl = snd_pcm_lib_ioctl, 1619 .hw_params = snd_ali_playback_hw_params, 1620 .hw_free = snd_ali_playback_hw_free, 1621 .prepare = snd_ali_playback_prepare, 1622 .trigger = snd_ali_trigger, 1623 .pointer = snd_ali_playback_pointer, 1624 }; 1625 1626 static struct snd_pcm_ops snd_ali_capture_ops = { 1627 .open = snd_ali_capture_open, 1628 .close = snd_ali_close, 1629 .ioctl = snd_pcm_lib_ioctl, 1630 .hw_params = snd_ali_hw_params, 1631 .hw_free = snd_ali_hw_free, 1632 .prepare = snd_ali_prepare, 1633 .trigger = snd_ali_trigger, 1634 .pointer = snd_ali_pointer, 1635 }; 1636 1637 /* 1638 * Modem PCM 1639 */ 1640 1641 static int snd_ali_modem_hw_params(struct snd_pcm_substream *substream, 1642 struct snd_pcm_hw_params *hw_params) 1643 { 1644 struct snd_ali *chip = snd_pcm_substream_chip(substream); 1645 unsigned int modem_num = chip->num_of_codecs - 1; 1646 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_RATE, 1647 params_rate(hw_params)); 1648 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_LEVEL, 0); 1649 return snd_ali_hw_params(substream, hw_params); 1650 } 1651 1652 static struct snd_pcm_hardware snd_ali_modem = 1653 { 1654 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1655 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1656 SNDRV_PCM_INFO_MMAP_VALID | 1657 SNDRV_PCM_INFO_RESUME | 1658 SNDRV_PCM_INFO_SYNC_START), 1659 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1660 .rates = (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000 | 1661 SNDRV_PCM_RATE_16000), 1662 .rate_min = 8000, 1663 .rate_max = 16000, 1664 .channels_min = 1, 1665 .channels_max = 1, 1666 .buffer_bytes_max = (256*1024), 1667 .period_bytes_min = 64, 1668 .period_bytes_max = (256*1024), 1669 .periods_min = 1, 1670 .periods_max = 1024, 1671 .fifo_size = 0, 1672 }; 1673 1674 static int snd_ali_modem_open(struct snd_pcm_substream *substream, int rec, 1675 int channel) 1676 { 1677 static unsigned int rates[] = {8000, 9600, 12000, 16000}; 1678 static struct snd_pcm_hw_constraint_list hw_constraint_rates = { 1679 .count = ARRAY_SIZE(rates), 1680 .list = rates, 1681 .mask = 0, 1682 }; 1683 int err = snd_ali_open(substream, rec, channel, &snd_ali_modem); 1684 1685 if (err) 1686 return err; 1687 return snd_pcm_hw_constraint_list(substream->runtime, 0, 1688 SNDRV_PCM_HW_PARAM_RATE, &hw_constraint_rates); 1689 } 1690 1691 static int snd_ali_modem_playback_open(struct snd_pcm_substream *substream) 1692 { 1693 return snd_ali_modem_open(substream, 0, ALI_MODEM_OUT_CHANNEL); 1694 } 1695 1696 static int snd_ali_modem_capture_open(struct snd_pcm_substream *substream) 1697 { 1698 return snd_ali_modem_open(substream, 1, ALI_MODEM_IN_CHANNEL); 1699 } 1700 1701 static struct snd_pcm_ops snd_ali_modem_playback_ops = { 1702 .open = snd_ali_modem_playback_open, 1703 .close = snd_ali_close, 1704 .ioctl = snd_pcm_lib_ioctl, 1705 .hw_params = snd_ali_modem_hw_params, 1706 .hw_free = snd_ali_hw_free, 1707 .prepare = snd_ali_prepare, 1708 .trigger = snd_ali_trigger, 1709 .pointer = snd_ali_pointer, 1710 }; 1711 1712 static struct snd_pcm_ops snd_ali_modem_capture_ops = { 1713 .open = snd_ali_modem_capture_open, 1714 .close = snd_ali_close, 1715 .ioctl = snd_pcm_lib_ioctl, 1716 .hw_params = snd_ali_modem_hw_params, 1717 .hw_free = snd_ali_hw_free, 1718 .prepare = snd_ali_prepare, 1719 .trigger = snd_ali_trigger, 1720 .pointer = snd_ali_pointer, 1721 }; 1722 1723 1724 struct ali_pcm_description { 1725 char *name; 1726 unsigned int playback_num; 1727 unsigned int capture_num; 1728 struct snd_pcm_ops *playback_ops; 1729 struct snd_pcm_ops *capture_ops; 1730 unsigned short class; 1731 }; 1732 1733 1734 static void snd_ali_pcm_free(struct snd_pcm *pcm) 1735 { 1736 struct snd_ali *codec = pcm->private_data; 1737 codec->pcm[pcm->device] = NULL; 1738 } 1739 1740 1741 static int __devinit snd_ali_pcm(struct snd_ali * codec, int device, 1742 struct ali_pcm_description *desc) 1743 { 1744 struct snd_pcm *pcm; 1745 int err; 1746 1747 err = snd_pcm_new(codec->card, desc->name, device, 1748 desc->playback_num, desc->capture_num, &pcm); 1749 if (err < 0) { 1750 snd_printk(KERN_ERR "snd_ali_pcm: err called snd_pcm_new.\n"); 1751 return err; 1752 } 1753 pcm->private_data = codec; 1754 pcm->private_free = snd_ali_pcm_free; 1755 if (desc->playback_ops) 1756 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1757 desc->playback_ops); 1758 if (desc->capture_ops) 1759 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, 1760 desc->capture_ops); 1761 1762 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 1763 snd_dma_pci_data(codec->pci), 1764 64*1024, 128*1024); 1765 1766 pcm->info_flags = 0; 1767 pcm->dev_class = desc->class; 1768 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1769 strcpy(pcm->name, desc->name); 1770 codec->pcm[0] = pcm; 1771 return 0; 1772 } 1773 1774 static struct ali_pcm_description ali_pcms[] = { 1775 { .name = "ALI 5451", 1776 .playback_num = ALI_CHANNELS, 1777 .capture_num = 1, 1778 .playback_ops = &snd_ali_playback_ops, 1779 .capture_ops = &snd_ali_capture_ops 1780 }, 1781 { .name = "ALI 5451 modem", 1782 .playback_num = 1, 1783 .capture_num = 1, 1784 .playback_ops = &snd_ali_modem_playback_ops, 1785 .capture_ops = &snd_ali_modem_capture_ops, 1786 .class = SNDRV_PCM_CLASS_MODEM 1787 } 1788 }; 1789 1790 static int __devinit snd_ali_build_pcms(struct snd_ali *codec) 1791 { 1792 int i, err; 1793 for (i = 0; i < codec->num_of_codecs && i < ARRAY_SIZE(ali_pcms); i++) { 1794 err = snd_ali_pcm(codec, i, &ali_pcms[i]); 1795 if (err < 0) 1796 return err; 1797 } 1798 return 0; 1799 } 1800 1801 1802 #define ALI5451_SPDIF(xname, xindex, value) \ 1803 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\ 1804 .info = snd_ali5451_spdif_info, .get = snd_ali5451_spdif_get, \ 1805 .put = snd_ali5451_spdif_put, .private_value = value} 1806 1807 static int snd_ali5451_spdif_info(struct snd_kcontrol *kcontrol, 1808 struct snd_ctl_elem_info *uinfo) 1809 { 1810 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1811 uinfo->count = 1; 1812 uinfo->value.integer.min = 0; 1813 uinfo->value.integer.max = 1; 1814 return 0; 1815 } 1816 1817 static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol, 1818 struct snd_ctl_elem_value *ucontrol) 1819 { 1820 struct snd_ali *codec = kcontrol->private_data; 1821 unsigned int enable; 1822 1823 enable = ucontrol->value.integer.value[0] ? 1 : 0; 1824 1825 spin_lock_irq(&codec->reg_lock); 1826 switch (kcontrol->private_value) { 1827 case 0: 1828 enable = (codec->spdif_mask & 0x02) ? 1 : 0; 1829 break; 1830 case 1: 1831 enable = ((codec->spdif_mask & 0x02) && 1832 (codec->spdif_mask & 0x04)) ? 1 : 0; 1833 break; 1834 case 2: 1835 enable = (codec->spdif_mask & 0x01) ? 1 : 0; 1836 break; 1837 default: 1838 break; 1839 } 1840 ucontrol->value.integer.value[0] = enable; 1841 spin_unlock_irq(&codec->reg_lock); 1842 return 0; 1843 } 1844 1845 static int snd_ali5451_spdif_put(struct snd_kcontrol *kcontrol, 1846 struct snd_ctl_elem_value *ucontrol) 1847 { 1848 struct snd_ali *codec = kcontrol->private_data; 1849 unsigned int change = 0, enable = 0; 1850 1851 enable = ucontrol->value.integer.value[0] ? 1 : 0; 1852 1853 spin_lock_irq(&codec->reg_lock); 1854 switch (kcontrol->private_value) { 1855 case 0: 1856 change = (codec->spdif_mask & 0x02) ? 1 : 0; 1857 change = change ^ enable; 1858 if (change) { 1859 if (enable) { 1860 codec->spdif_mask |= 0x02; 1861 snd_ali_enable_spdif_out(codec); 1862 } else { 1863 codec->spdif_mask &= ~(0x02); 1864 codec->spdif_mask &= ~(0x04); 1865 snd_ali_disable_spdif_out(codec); 1866 } 1867 } 1868 break; 1869 case 1: 1870 change = (codec->spdif_mask & 0x04) ? 1 : 0; 1871 change = change ^ enable; 1872 if (change && (codec->spdif_mask & 0x02)) { 1873 if (enable) { 1874 codec->spdif_mask |= 0x04; 1875 snd_ali_enable_spdif_chnout(codec); 1876 } else { 1877 codec->spdif_mask &= ~(0x04); 1878 snd_ali_disable_spdif_chnout(codec); 1879 } 1880 } 1881 break; 1882 case 2: 1883 change = (codec->spdif_mask & 0x01) ? 1 : 0; 1884 change = change ^ enable; 1885 if (change) { 1886 if (enable) { 1887 codec->spdif_mask |= 0x01; 1888 snd_ali_enable_spdif_in(codec); 1889 } else { 1890 codec->spdif_mask &= ~(0x01); 1891 snd_ali_disable_spdif_in(codec); 1892 } 1893 } 1894 break; 1895 default: 1896 break; 1897 } 1898 spin_unlock_irq(&codec->reg_lock); 1899 1900 return change; 1901 } 1902 1903 static struct snd_kcontrol_new snd_ali5451_mixer_spdif[] __devinitdata = { 1904 /* spdif aplayback switch */ 1905 /* FIXME: "IEC958 Playback Switch" may conflict with one on ac97_codec */ 1906 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 0, 0), 1907 /* spdif out to spdif channel */ 1908 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Channel Output ",NONE,SWITCH), 0, 1), 1909 /* spdif in from spdif channel */ 1910 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, 2) 1911 }; 1912 1913 static int __devinit snd_ali_mixer(struct snd_ali * codec) 1914 { 1915 struct snd_ac97_template ac97; 1916 unsigned int idx; 1917 int i, err; 1918 static struct snd_ac97_bus_ops ops = { 1919 .write = snd_ali_codec_write, 1920 .read = snd_ali_codec_read, 1921 }; 1922 1923 err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus); 1924 if (err < 0) 1925 return err; 1926 1927 memset(&ac97, 0, sizeof(ac97)); 1928 ac97.private_data = codec; 1929 1930 for (i = 0; i < codec->num_of_codecs; i++) { 1931 ac97.num = i; 1932 err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97[i]); 1933 if (err < 0) { 1934 snd_printk(KERN_ERR 1935 "ali mixer %d creating error.\n", i); 1936 if (i == 0) 1937 return err; 1938 codec->num_of_codecs = 1; 1939 break; 1940 } 1941 } 1942 1943 if (codec->spdif_support) { 1944 for (idx = 0; idx < ARRAY_SIZE(snd_ali5451_mixer_spdif); idx++) { 1945 err = snd_ctl_add(codec->card, 1946 snd_ctl_new1(&snd_ali5451_mixer_spdif[idx], codec)); 1947 if (err < 0) 1948 return err; 1949 } 1950 } 1951 return 0; 1952 } 1953 1954 #ifdef CONFIG_PM 1955 static int ali_suspend(struct pci_dev *pci, pm_message_t state) 1956 { 1957 struct snd_card *card = pci_get_drvdata(pci); 1958 struct snd_ali *chip = card->private_data; 1959 struct snd_ali_image *im; 1960 int i, j; 1961 1962 im = chip->image; 1963 if (!im) 1964 return 0; 1965 1966 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 1967 for (i = 0; i < chip->num_of_codecs; i++) { 1968 snd_pcm_suspend_all(chip->pcm[i]); 1969 snd_ac97_suspend(chip->ac97[i]); 1970 } 1971 1972 spin_lock_irq(&chip->reg_lock); 1973 1974 im->regs[ALI_MISCINT >> 2] = inl(ALI_REG(chip, ALI_MISCINT)); 1975 /* im->regs[ALI_START >> 2] = inl(ALI_REG(chip, ALI_START)); */ 1976 im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP)); 1977 1978 /* disable all IRQ bits */ 1979 outl(0, ALI_REG(chip, ALI_MISCINT)); 1980 1981 for (i = 0; i < ALI_GLOBAL_REGS; i++) { 1982 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP)) 1983 continue; 1984 im->regs[i] = inl(ALI_REG(chip, i*4)); 1985 } 1986 1987 for (i = 0; i < ALI_CHANNELS; i++) { 1988 outb(i, ALI_REG(chip, ALI_GC_CIR)); 1989 for (j = 0; j < ALI_CHANNEL_REGS; j++) 1990 im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0)); 1991 } 1992 1993 /* stop all HW channel */ 1994 outl(0xffffffff, ALI_REG(chip, ALI_STOP)); 1995 1996 spin_unlock_irq(&chip->reg_lock); 1997 1998 pci_disable_device(pci); 1999 pci_save_state(pci); 2000 pci_set_power_state(pci, pci_choose_state(pci, state)); 2001 return 0; 2002 } 2003 2004 static int ali_resume(struct pci_dev *pci) 2005 { 2006 struct snd_card *card = pci_get_drvdata(pci); 2007 struct snd_ali *chip = card->private_data; 2008 struct snd_ali_image *im; 2009 int i, j; 2010 2011 im = chip->image; 2012 if (!im) 2013 return 0; 2014 2015 pci_set_power_state(pci, PCI_D0); 2016 pci_restore_state(pci); 2017 if (pci_enable_device(pci) < 0) { 2018 printk(KERN_ERR "ali5451: pci_enable_device failed, " 2019 "disabling device\n"); 2020 snd_card_disconnect(card); 2021 return -EIO; 2022 } 2023 pci_set_master(pci); 2024 2025 spin_lock_irq(&chip->reg_lock); 2026 2027 for (i = 0; i < ALI_CHANNELS; i++) { 2028 outb(i, ALI_REG(chip, ALI_GC_CIR)); 2029 for (j = 0; j < ALI_CHANNEL_REGS; j++) 2030 outl(im->channel_regs[i][j], ALI_REG(chip, j*4 + 0xe0)); 2031 } 2032 2033 for (i = 0; i < ALI_GLOBAL_REGS; i++) { 2034 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) || 2035 (i*4 == ALI_START)) 2036 continue; 2037 outl(im->regs[i], ALI_REG(chip, i*4)); 2038 } 2039 2040 /* start HW channel */ 2041 outl(im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START)); 2042 /* restore IRQ enable bits */ 2043 outl(im->regs[ALI_MISCINT >> 2], ALI_REG(chip, ALI_MISCINT)); 2044 2045 spin_unlock_irq(&chip->reg_lock); 2046 2047 for (i = 0 ; i < chip->num_of_codecs; i++) 2048 snd_ac97_resume(chip->ac97[i]); 2049 2050 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 2051 return 0; 2052 } 2053 #endif /* CONFIG_PM */ 2054 2055 static int snd_ali_free(struct snd_ali * codec) 2056 { 2057 if (codec->hw_initialized) 2058 snd_ali_disable_address_interrupt(codec); 2059 if (codec->irq >= 0) { 2060 synchronize_irq(codec->irq); 2061 free_irq(codec->irq, codec); 2062 } 2063 if (codec->port) 2064 pci_release_regions(codec->pci); 2065 pci_disable_device(codec->pci); 2066 #ifdef CONFIG_PM 2067 kfree(codec->image); 2068 #endif 2069 pci_dev_put(codec->pci_m1533); 2070 pci_dev_put(codec->pci_m7101); 2071 kfree(codec); 2072 return 0; 2073 } 2074 2075 static int snd_ali_chip_init(struct snd_ali *codec) 2076 { 2077 unsigned int legacy; 2078 unsigned char temp; 2079 struct pci_dev *pci_dev; 2080 2081 snd_ali_printk("chip initializing ... \n"); 2082 2083 if (snd_ali_reset_5451(codec)) { 2084 snd_printk(KERN_ERR "ali_chip_init: reset 5451 error.\n"); 2085 return -1; 2086 } 2087 2088 if (codec->revision == ALI_5451_V02) { 2089 pci_dev = codec->pci_m1533; 2090 pci_read_config_byte(pci_dev, 0x59, &temp); 2091 temp |= 0x80; 2092 pci_write_config_byte(pci_dev, 0x59, temp); 2093 2094 pci_dev = codec->pci_m7101; 2095 pci_read_config_byte(pci_dev, 0xb8, &temp); 2096 temp |= 0x20; 2097 pci_write_config_byte(pci_dev, 0xB8, temp); 2098 } 2099 2100 pci_read_config_dword(codec->pci, 0x44, &legacy); 2101 legacy &= 0xff00ff00; 2102 legacy |= 0x000800aa; 2103 pci_write_config_dword(codec->pci, 0x44, legacy); 2104 2105 outl(0x80000001, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 2106 outl(0x00000000, ALI_REG(codec, ALI_AINTEN)); 2107 outl(0xffffffff, ALI_REG(codec, ALI_AINT)); 2108 outl(0x00000000, ALI_REG(codec, ALI_VOLUME)); 2109 outb(0x10, ALI_REG(codec, ALI_MPUR2)); 2110 2111 codec->ac97_ext_id = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_ID); 2112 codec->ac97_ext_status = snd_ali_codec_peek(codec, 0, 2113 AC97_EXTENDED_STATUS); 2114 if (codec->spdif_support) { 2115 snd_ali_enable_spdif_out(codec); 2116 codec->spdif_mask = 0x00000002; 2117 } 2118 2119 codec->num_of_codecs = 1; 2120 2121 /* secondary codec - modem */ 2122 if (inl(ALI_REG(codec, ALI_SCTRL)) & ALI_SCTRL_CODEC2_READY) { 2123 codec->num_of_codecs++; 2124 outl(inl(ALI_REG(codec, ALI_SCTRL)) | 2125 (ALI_SCTRL_LINE_IN2 | ALI_SCTRL_GPIO_IN2 | 2126 ALI_SCTRL_LINE_OUT_EN), 2127 ALI_REG(codec, ALI_SCTRL)); 2128 } 2129 2130 snd_ali_printk("chip initialize succeed.\n"); 2131 return 0; 2132 2133 } 2134 2135 /* proc for register dump */ 2136 static void snd_ali_proc_read(struct snd_info_entry *entry, 2137 struct snd_info_buffer *buf) 2138 { 2139 struct snd_ali *codec = entry->private_data; 2140 int i; 2141 for (i = 0; i < 256 ; i+= 4) 2142 snd_iprintf(buf, "%02x: %08x\n", i, inl(ALI_REG(codec, i))); 2143 } 2144 2145 static void __devinit snd_ali_proc_init(struct snd_ali *codec) 2146 { 2147 struct snd_info_entry *entry; 2148 if (!snd_card_proc_new(codec->card, "ali5451", &entry)) 2149 snd_info_set_text_ops(entry, codec, snd_ali_proc_read); 2150 } 2151 2152 static int __devinit snd_ali_resources(struct snd_ali *codec) 2153 { 2154 int err; 2155 2156 snd_ali_printk("resouces allocation ...\n"); 2157 err = pci_request_regions(codec->pci, "ALI 5451"); 2158 if (err < 0) 2159 return err; 2160 codec->port = pci_resource_start(codec->pci, 0); 2161 2162 if (request_irq(codec->pci->irq, snd_ali_card_interrupt, 2163 IRQF_SHARED, "ALI 5451", codec)) { 2164 snd_printk(KERN_ERR "Unable to request irq.\n"); 2165 return -EBUSY; 2166 } 2167 codec->irq = codec->pci->irq; 2168 snd_ali_printk("resouces allocated.\n"); 2169 return 0; 2170 } 2171 static int snd_ali_dev_free(struct snd_device *device) 2172 { 2173 struct snd_ali *codec = device->device_data; 2174 snd_ali_free(codec); 2175 return 0; 2176 } 2177 2178 static int __devinit snd_ali_create(struct snd_card *card, 2179 struct pci_dev *pci, 2180 int pcm_streams, 2181 int spdif_support, 2182 struct snd_ali ** r_ali) 2183 { 2184 struct snd_ali *codec; 2185 int i, err; 2186 unsigned short cmdw; 2187 static struct snd_device_ops ops = { 2188 .dev_free = snd_ali_dev_free, 2189 }; 2190 2191 *r_ali = NULL; 2192 2193 snd_ali_printk("creating ...\n"); 2194 2195 /* enable PCI device */ 2196 err = pci_enable_device(pci); 2197 if (err < 0) 2198 return err; 2199 /* check, if we can restrict PCI DMA transfers to 31 bits */ 2200 if (pci_set_dma_mask(pci, DMA_31BIT_MASK) < 0 || 2201 pci_set_consistent_dma_mask(pci, DMA_31BIT_MASK) < 0) { 2202 snd_printk(KERN_ERR "architecture does not support " 2203 "31bit PCI busmaster DMA\n"); 2204 pci_disable_device(pci); 2205 return -ENXIO; 2206 } 2207 2208 codec = kzalloc(sizeof(*codec), GFP_KERNEL); 2209 if (!codec) { 2210 pci_disable_device(pci); 2211 return -ENOMEM; 2212 } 2213 2214 spin_lock_init(&codec->reg_lock); 2215 spin_lock_init(&codec->voice_alloc); 2216 2217 codec->card = card; 2218 codec->pci = pci; 2219 codec->irq = -1; 2220 codec->revision = pci->revision; 2221 codec->spdif_support = spdif_support; 2222 2223 if (pcm_streams < 1) 2224 pcm_streams = 1; 2225 if (pcm_streams > 32) 2226 pcm_streams = 32; 2227 2228 pci_set_master(pci); 2229 pci_read_config_word(pci, PCI_COMMAND, &cmdw); 2230 if ((cmdw & PCI_COMMAND_IO) != PCI_COMMAND_IO) { 2231 cmdw |= PCI_COMMAND_IO; 2232 pci_write_config_word(pci, PCI_COMMAND, cmdw); 2233 } 2234 pci_set_master(pci); 2235 2236 if (snd_ali_resources(codec)) { 2237 snd_ali_free(codec); 2238 return -EBUSY; 2239 } 2240 2241 synchronize_irq(pci->irq); 2242 2243 codec->synth.chmap = 0; 2244 codec->synth.chcnt = 0; 2245 codec->spdif_mask = 0; 2246 codec->synth.synthcount = 0; 2247 2248 if (codec->revision == ALI_5451_V02) 2249 codec->chregs.regs.ac97read = ALI_AC97_WRITE; 2250 else 2251 codec->chregs.regs.ac97read = ALI_AC97_READ; 2252 codec->chregs.regs.ac97write = ALI_AC97_WRITE; 2253 2254 codec->chregs.regs.start = ALI_START; 2255 codec->chregs.regs.stop = ALI_STOP; 2256 codec->chregs.regs.aint = ALI_AINT; 2257 codec->chregs.regs.ainten = ALI_AINTEN; 2258 2259 codec->chregs.data.start = 0x00; 2260 codec->chregs.data.stop = 0x00; 2261 codec->chregs.data.aint = 0x00; 2262 codec->chregs.data.ainten = 0x00; 2263 2264 /* M1533: southbridge */ 2265 codec->pci_m1533 = pci_get_device(0x10b9, 0x1533, NULL); 2266 if (!codec->pci_m1533) { 2267 snd_printk(KERN_ERR "ali5451: cannot find ALi 1533 chip.\n"); 2268 snd_ali_free(codec); 2269 return -ENODEV; 2270 } 2271 /* M7101: power management */ 2272 codec->pci_m7101 = pci_get_device(0x10b9, 0x7101, NULL); 2273 if (!codec->pci_m7101 && codec->revision == ALI_5451_V02) { 2274 snd_printk(KERN_ERR "ali5451: cannot find ALi 7101 chip.\n"); 2275 snd_ali_free(codec); 2276 return -ENODEV; 2277 } 2278 2279 snd_ali_printk("snd_device_new is called.\n"); 2280 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops); 2281 if (err < 0) { 2282 snd_ali_free(codec); 2283 return err; 2284 } 2285 2286 snd_card_set_dev(card, &pci->dev); 2287 2288 /* initialise synth voices*/ 2289 for (i = 0; i < ALI_CHANNELS; i++) 2290 codec->synth.voices[i].number = i; 2291 2292 err = snd_ali_chip_init(codec); 2293 if (err < 0) { 2294 snd_printk(KERN_ERR "ali create: chip init error.\n"); 2295 return err; 2296 } 2297 2298 #ifdef CONFIG_PM 2299 codec->image = kmalloc(sizeof(*codec->image), GFP_KERNEL); 2300 if (!codec->image) 2301 snd_printk(KERN_WARNING "can't allocate apm buffer\n"); 2302 #endif 2303 2304 snd_ali_enable_address_interrupt(codec); 2305 codec->hw_initialized = 1; 2306 2307 *r_ali = codec; 2308 snd_ali_printk("created.\n"); 2309 return 0; 2310 } 2311 2312 static int __devinit snd_ali_probe(struct pci_dev *pci, 2313 const struct pci_device_id *pci_id) 2314 { 2315 struct snd_card *card; 2316 struct snd_ali *codec; 2317 int err; 2318 2319 snd_ali_printk("probe ...\n"); 2320 2321 card = snd_card_new(index, id, THIS_MODULE, 0); 2322 if (!card) 2323 return -ENOMEM; 2324 2325 err = snd_ali_create(card, pci, pcm_channels, spdif, &codec); 2326 if (err < 0) 2327 goto error; 2328 card->private_data = codec; 2329 2330 snd_ali_printk("mixer building ...\n"); 2331 err = snd_ali_mixer(codec); 2332 if (err < 0) 2333 goto error; 2334 2335 snd_ali_printk("pcm building ...\n"); 2336 err = snd_ali_build_pcms(codec); 2337 if (err < 0) 2338 goto error; 2339 2340 snd_ali_proc_init(codec); 2341 2342 strcpy(card->driver, "ALI5451"); 2343 strcpy(card->shortname, "ALI 5451"); 2344 2345 sprintf(card->longname, "%s at 0x%lx, irq %i", 2346 card->shortname, codec->port, codec->irq); 2347 2348 snd_ali_printk("register card.\n"); 2349 err = snd_card_register(card); 2350 if (err < 0) 2351 goto error; 2352 2353 pci_set_drvdata(pci, card); 2354 return 0; 2355 2356 error: 2357 snd_card_free(card); 2358 return err; 2359 } 2360 2361 static void __devexit snd_ali_remove(struct pci_dev *pci) 2362 { 2363 snd_card_free(pci_get_drvdata(pci)); 2364 pci_set_drvdata(pci, NULL); 2365 } 2366 2367 static struct pci_driver driver = { 2368 .name = "ALI 5451", 2369 .id_table = snd_ali_ids, 2370 .probe = snd_ali_probe, 2371 .remove = __devexit_p(snd_ali_remove), 2372 #ifdef CONFIG_PM 2373 .suspend = ali_suspend, 2374 .resume = ali_resume, 2375 #endif 2376 }; 2377 2378 static int __init alsa_card_ali_init(void) 2379 { 2380 return pci_register_driver(&driver); 2381 } 2382 2383 static void __exit alsa_card_ali_exit(void) 2384 { 2385 pci_unregister_driver(&driver); 2386 } 2387 2388 module_init(alsa_card_ali_init) 2389 module_exit(alsa_card_ali_exit) 2390