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(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; 205 206 /* PCM data */ 207 struct snd_ali *codec; 208 struct snd_pcm_substream *substream; 209 struct snd_ali_voice *extra; 210 211 unsigned int running: 1; 212 213 int eso; /* final ESO value for channel */ 214 int count; /* runtime->period_size */ 215 216 /* --- */ 217 218 void *private_data; 219 void (*private_free)(void *private_data); 220 }; 221 222 223 struct snd_alidev { 224 225 struct snd_ali_voice voices[ALI_CHANNELS]; 226 227 unsigned int chcnt; /* num of opened channels */ 228 unsigned int chmap; /* bitmap for opened channels */ 229 unsigned int synthcount; 230 231 }; 232 233 234 #ifdef CONFIG_PM 235 #define ALI_GLOBAL_REGS 56 236 #define ALI_CHANNEL_REGS 8 237 struct snd_ali_image { 238 unsigned long regs[ALI_GLOBAL_REGS]; 239 unsigned long channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS]; 240 }; 241 #endif 242 243 244 struct snd_ali { 245 unsigned long irq; 246 unsigned long port; 247 unsigned char revision; 248 249 unsigned int hw_initialized: 1; 250 unsigned int spdif_support: 1; 251 252 struct pci_dev *pci; 253 struct pci_dev *pci_m1533; 254 struct pci_dev *pci_m7101; 255 256 struct snd_card *card; 257 struct snd_pcm *pcm[MAX_CODECS]; 258 struct snd_alidev synth; 259 struct snd_ali_channel_control chregs; 260 261 /* S/PDIF Mask */ 262 unsigned int spdif_mask; 263 264 unsigned int spurious_irq_count; 265 unsigned int spurious_irq_max_delta; 266 267 unsigned int num_of_codecs; 268 269 struct snd_ac97_bus *ac97_bus; 270 struct snd_ac97 *ac97[MAX_CODECS]; 271 unsigned short ac97_ext_id; 272 unsigned short ac97_ext_status; 273 274 spinlock_t reg_lock; 275 spinlock_t voice_alloc; 276 277 #ifdef CONFIG_PM 278 struct snd_ali_image *image; 279 #endif 280 }; 281 282 static struct pci_device_id snd_ali_ids[] __devinitdata = { 283 {PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5451), 0, 0, 0}, 284 {0, } 285 }; 286 MODULE_DEVICE_TABLE(pci, snd_ali_ids); 287 288 static void snd_ali_clear_voices(struct snd_ali *, unsigned int, unsigned int); 289 static unsigned short snd_ali_codec_peek(struct snd_ali *, int, unsigned short); 290 static void snd_ali_codec_poke(struct snd_ali *, int, unsigned short, unsigned short); 291 292 /* 293 * Debug Part 294 */ 295 296 #ifdef ALI_DEBUG 297 298 static void ali_read_regs(struct snd_ali *codec, int channel) 299 { 300 int i,j; 301 unsigned int dwVal; 302 303 printk("channel %d registers map:\n", channel); 304 outb((unsigned char)(channel & 0x001f), ALI_REG(codec,ALI_GC_CIR)); 305 306 printk(" "); 307 for(j=0;j<8;j++) 308 printk("%2.2x ", j*4); 309 printk("\n"); 310 311 for (i=0; i<=0xf8/4;i++) { 312 if(i%8 == 0) 313 printk("%2.2x ", (i*4/0x10)*0x10); 314 dwVal = inl(ALI_REG(codec,i*4)); 315 printk("%8.8x ", dwVal); 316 if ((i+1)%8 == 0) 317 printk("\n"); 318 } 319 printk("\n"); 320 } 321 static void ali_read_cfg(unsigned int vendor, unsigned deviceid) 322 { 323 unsigned int dwVal; 324 struct pci_dev *pci_dev; 325 int i,j; 326 327 pci_dev = pci_get_device(vendor, deviceid, NULL); 328 if (pci_dev == NULL) 329 return ; 330 331 printk("\nM%x PCI CFG\n", deviceid); 332 printk(" "); 333 for(j=0;j<8;j++) 334 printk("%d ",j); 335 printk("\n"); 336 337 for(i=0;i<8;i++) { 338 printk("%d ",i); 339 for(j=0;j<8;j++) 340 { 341 pci_read_config_dword(pci_dev, i*0x20+j*4, &dwVal); 342 printk("%8.8x ", dwVal); 343 } 344 printk("\n"); 345 } 346 pci_dev_put(pci_dev); 347 } 348 static void ali_read_ac97regs(struct snd_ali *codec, int secondary) 349 { 350 unsigned short i,j; 351 unsigned short wVal; 352 353 printk("\ncodec %d registers map:\n", secondary); 354 355 printk(" "); 356 for(j=0;j<8;j++) 357 printk("%2.2x ",j*2); 358 printk("\n"); 359 360 for (i=0; i<64;i++) { 361 if(i%8 == 0) 362 printk("%2.2x ", (i/8)*0x10); 363 wVal = snd_ali_codec_peek(codec, secondary, i*2); 364 printk("%4.4x ", wVal); 365 if ((i+1)%8 == 0) 366 printk("\n"); 367 } 368 printk("\n"); 369 } 370 371 #endif 372 373 /* 374 * AC97 ACCESS 375 */ 376 377 static inline unsigned int snd_ali_5451_peek(struct snd_ali *codec, 378 unsigned int port ) 379 { 380 return (unsigned int)inl(ALI_REG(codec, port)); 381 } 382 383 static inline void snd_ali_5451_poke( struct snd_ali *codec, 384 unsigned int port, 385 unsigned int val ) 386 { 387 outl((unsigned int)val, ALI_REG(codec, port)); 388 } 389 390 static int snd_ali_codec_ready( struct snd_ali *codec, 391 unsigned int port ) 392 { 393 unsigned long end_time; 394 unsigned int res; 395 396 end_time = jiffies + msecs_to_jiffies(250); 397 do { 398 res = snd_ali_5451_peek(codec,port); 399 if (! (res & 0x8000)) 400 return 0; 401 schedule_timeout_uninterruptible(1); 402 } while (time_after_eq(end_time, jiffies)); 403 snd_ali_5451_poke(codec, port, res & ~0x8000); 404 snd_printdd("ali_codec_ready: codec is not ready.\n "); 405 return -EIO; 406 } 407 408 static int snd_ali_stimer_ready(struct snd_ali *codec) 409 { 410 unsigned long end_time; 411 unsigned long dwChk1,dwChk2; 412 413 dwChk1 = snd_ali_5451_peek(codec, ALI_STIMER); 414 dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER); 415 416 end_time = jiffies + msecs_to_jiffies(250); 417 do { 418 dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER); 419 if (dwChk2 != dwChk1) 420 return 0; 421 schedule_timeout_uninterruptible(1); 422 } while (time_after_eq(end_time, jiffies)); 423 snd_printk(KERN_ERR "ali_stimer_read: stimer is not ready.\n"); 424 return -EIO; 425 } 426 427 static void snd_ali_codec_poke(struct snd_ali *codec,int secondary, 428 unsigned short reg, 429 unsigned short val) 430 { 431 unsigned int dwVal = 0; 432 unsigned int port = 0; 433 434 if (reg >= 0x80) { 435 snd_printk(KERN_ERR "ali_codec_poke: reg(%xh) invalid.\n", reg); 436 return; 437 } 438 439 port = codec->chregs.regs.ac97write; 440 441 if (snd_ali_codec_ready(codec, port) < 0) 442 return; 443 if (snd_ali_stimer_ready(codec) < 0) 444 return; 445 446 dwVal = (unsigned int) (reg & 0xff); 447 dwVal |= 0x8000 | (val << 16); 448 if (secondary) dwVal |= 0x0080; 449 if (codec->revision == ALI_5451_V02) dwVal |= 0x0100; 450 451 snd_ali_5451_poke(codec,port,dwVal); 452 453 return ; 454 } 455 456 static unsigned short snd_ali_codec_peek( struct snd_ali *codec, 457 int secondary, 458 unsigned short reg) 459 { 460 unsigned int dwVal = 0; 461 unsigned int port = 0; 462 463 if (reg >= 0x80) { 464 snd_printk(KERN_ERR "ali_codec_peek: reg(%xh) invalid.\n", reg); 465 return ~0; 466 } 467 468 port = codec->chregs.regs.ac97read; 469 470 if (snd_ali_codec_ready(codec, port) < 0) 471 return ~0; 472 if (snd_ali_stimer_ready(codec) < 0) 473 return ~0; 474 475 dwVal = (unsigned int) (reg & 0xff); 476 dwVal |= 0x8000; /* bit 15*/ 477 if (secondary) dwVal |= 0x0080; 478 479 snd_ali_5451_poke(codec, port, dwVal); 480 481 if (snd_ali_stimer_ready(codec) < 0) 482 return ~0; 483 if (snd_ali_codec_ready(codec, port) < 0) 484 return ~0; 485 486 return (snd_ali_5451_peek(codec, port) & 0xffff0000)>>16; 487 } 488 489 static void snd_ali_codec_write(struct snd_ac97 *ac97, 490 unsigned short reg, 491 unsigned short val ) 492 { 493 struct snd_ali *codec = ac97->private_data; 494 495 snd_ali_printk("codec_write: reg=%xh data=%xh.\n", reg, val); 496 if(reg == AC97_GPIO_STATUS) { 497 outl((val << ALI_AC97_GPIO_DATA_SHIFT)|ALI_AC97_GPIO_ENABLE, 498 ALI_REG(codec, ALI_AC97_GPIO)); 499 return; 500 } 501 snd_ali_codec_poke(codec, ac97->num, reg, val); 502 return ; 503 } 504 505 506 static unsigned short snd_ali_codec_read(struct snd_ac97 *ac97, unsigned short reg) 507 { 508 struct snd_ali *codec = ac97->private_data; 509 510 snd_ali_printk("codec_read reg=%xh.\n", reg); 511 return (snd_ali_codec_peek(codec, ac97->num, reg)); 512 } 513 514 /* 515 * AC97 Reset 516 */ 517 518 static int snd_ali_reset_5451(struct snd_ali *codec) 519 { 520 struct pci_dev *pci_dev = NULL; 521 unsigned short wCount, wReg; 522 unsigned int dwVal; 523 524 if ((pci_dev = codec->pci_m1533) != NULL) { 525 pci_read_config_dword(pci_dev, 0x7c, &dwVal); 526 pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000); 527 udelay(5000); 528 pci_read_config_dword(pci_dev, 0x7c, &dwVal); 529 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff); 530 udelay(5000); 531 } 532 533 pci_dev = codec->pci; 534 pci_read_config_dword(pci_dev, 0x44, &dwVal); 535 pci_write_config_dword(pci_dev, 0x44, dwVal | 0x000c0000); 536 udelay(500); 537 pci_read_config_dword(pci_dev, 0x44, &dwVal); 538 pci_write_config_dword(pci_dev, 0x44, dwVal & 0xfffbffff); 539 udelay(5000); 540 541 wCount = 200; 542 while(wCount--) { 543 wReg = snd_ali_codec_peek(codec, 0, AC97_POWERDOWN); 544 if((wReg & 0x000f) == 0x000f) 545 return 0; 546 udelay(5000); 547 } 548 549 /* non-fatal if you have a non PM capable codec */ 550 /* snd_printk(KERN_WARNING "ali5451: reset time out\n"); */ 551 return 0; 552 } 553 554 #ifdef CODEC_RESET 555 556 static int snd_ali_reset_codec(struct snd_ali *codec) 557 { 558 struct pci_dev *pci_dev = NULL; 559 unsigned char bVal = 0; 560 unsigned int dwVal; 561 unsigned short wCount, wReg; 562 563 pci_dev = codec->pci_m1533; 564 565 pci_read_config_dword(pci_dev, 0x7c, &dwVal); 566 pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000); 567 udelay(5000); 568 pci_read_config_dword(pci_dev, 0x7c, &dwVal); 569 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff); 570 udelay(5000); 571 572 bVal = inb(ALI_REG(codec,ALI_SCTRL)); 573 bVal |= 0x02; 574 outb(ALI_REG(codec,ALI_SCTRL),bVal); 575 udelay(5000); 576 bVal = inb(ALI_REG(codec,ALI_SCTRL)); 577 bVal &= 0xfd; 578 outb(ALI_REG(codec,ALI_SCTRL),bVal); 579 udelay(15000); 580 581 wCount = 200; 582 while(wCount--) { 583 wReg = snd_ali_codec_read(codec->ac97, AC97_POWERDOWN); 584 if((wReg & 0x000f) == 0x000f) 585 return 0; 586 udelay(5000); 587 } 588 return -1; 589 } 590 591 #endif 592 593 /* 594 * ALI 5451 Controller 595 */ 596 597 static void snd_ali_enable_special_channel(struct snd_ali *codec, unsigned int channel) 598 { 599 unsigned long dwVal = 0; 600 601 dwVal = inl(ALI_REG(codec,ALI_GLOBAL_CONTROL)); 602 dwVal |= 1 << (channel & 0x0000001f); 603 outl(dwVal, ALI_REG(codec,ALI_GLOBAL_CONTROL)); 604 } 605 606 static void snd_ali_disable_special_channel(struct snd_ali *codec, unsigned int channel) 607 { 608 unsigned long dwVal = 0; 609 610 dwVal = inl(ALI_REG(codec,ALI_GLOBAL_CONTROL)); 611 dwVal &= ~(1 << (channel & 0x0000001f)); 612 outl(dwVal, ALI_REG(codec,ALI_GLOBAL_CONTROL)); 613 } 614 615 static void snd_ali_enable_address_interrupt(struct snd_ali * codec) 616 { 617 unsigned int gc; 618 619 gc = inl(ALI_REG(codec, ALI_GC_CIR)); 620 gc |= ENDLP_IE; 621 gc |= MIDLP_IE; 622 outl( gc, ALI_REG(codec, ALI_GC_CIR)); 623 } 624 625 static void snd_ali_disable_address_interrupt(struct snd_ali * codec) 626 { 627 unsigned int gc; 628 629 gc = inl(ALI_REG(codec, ALI_GC_CIR)); 630 gc &= ~ENDLP_IE; 631 gc &= ~MIDLP_IE; 632 outl(gc, ALI_REG(codec, ALI_GC_CIR)); 633 } 634 635 #if 0 // not used 636 static void snd_ali_enable_voice_irq(struct snd_ali *codec, unsigned int channel) 637 { 638 unsigned int mask; 639 struct snd_ali_channel_control *pchregs = &(codec->chregs); 640 641 snd_ali_printk("enable_voice_irq channel=%d\n",channel); 642 643 mask = 1 << (channel & 0x1f); 644 pchregs->data.ainten = inl(ALI_REG(codec,pchregs->regs.ainten)); 645 pchregs->data.ainten |= mask; 646 outl(pchregs->data.ainten,ALI_REG(codec,pchregs->regs.ainten)); 647 } 648 #endif 649 650 static void snd_ali_disable_voice_irq(struct snd_ali *codec, unsigned int channel) 651 { 652 unsigned int mask; 653 struct snd_ali_channel_control *pchregs = &(codec->chregs); 654 655 snd_ali_printk("disable_voice_irq channel=%d\n",channel); 656 657 mask = 1 << (channel & 0x1f); 658 pchregs->data.ainten = inl(ALI_REG(codec,pchregs->regs.ainten)); 659 pchregs->data.ainten &= ~mask; 660 outl(pchregs->data.ainten,ALI_REG(codec,pchregs->regs.ainten)); 661 } 662 663 static int snd_ali_alloc_pcm_channel(struct snd_ali *codec, int channel) 664 { 665 unsigned int idx = channel & 0x1f; 666 667 if (codec->synth.chcnt >= ALI_CHANNELS){ 668 snd_printk(KERN_ERR "ali_alloc_pcm_channel: no free channels.\n"); 669 return -1; 670 } 671 672 if (!(codec->synth.chmap & (1 << idx))) { 673 codec->synth.chmap |= 1 << idx; 674 codec->synth.chcnt++; 675 snd_ali_printk("alloc_pcm_channel no. %d.\n",idx); 676 return idx; 677 } 678 return -1; 679 } 680 681 static int snd_ali_find_free_channel(struct snd_ali * codec, int rec) 682 { 683 int idx; 684 int result = -1; 685 686 snd_ali_printk("find_free_channel: for %s\n",rec ? "rec" : "pcm"); 687 688 // recording 689 if (rec) { 690 if (codec->spdif_support && 691 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_IN_SUPPORT)) 692 idx = ALI_SPDIF_IN_CHANNEL; 693 else 694 idx = ALI_PCM_IN_CHANNEL; 695 696 if ((result = snd_ali_alloc_pcm_channel(codec,idx)) >= 0) { 697 return result; 698 } else { 699 snd_printk(KERN_ERR "ali_find_free_channel: record channel is busy now.\n"); 700 return -1; 701 } 702 } 703 704 //playback... 705 if (codec->spdif_support && 706 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_OUT_CH_ENABLE)) { 707 idx = ALI_SPDIF_OUT_CHANNEL; 708 if ((result = snd_ali_alloc_pcm_channel(codec,idx)) >= 0) { 709 return result; 710 } else { 711 snd_printk(KERN_ERR "ali_find_free_channel: S/PDIF out channel is in busy now.\n"); 712 } 713 } 714 715 for (idx = 0; idx < ALI_CHANNELS; idx++) { 716 if ((result = snd_ali_alloc_pcm_channel(codec,idx)) >= 0) 717 return result; 718 } 719 snd_printk(KERN_ERR "ali_find_free_channel: no free channels.\n"); 720 return -1; 721 } 722 723 static void snd_ali_free_channel_pcm(struct snd_ali *codec, int channel) 724 { 725 unsigned int idx = channel & 0x0000001f; 726 727 snd_ali_printk("free_channel_pcm channel=%d\n",channel); 728 729 if (channel < 0 || channel >= ALI_CHANNELS) 730 return; 731 732 if (!(codec->synth.chmap & (1 << idx))) { 733 snd_printk(KERN_ERR "ali_free_channel_pcm: channel %d is not in use.\n",channel); 734 return; 735 } else { 736 codec->synth.chmap &= ~(1 << idx); 737 codec->synth.chcnt--; 738 } 739 } 740 741 #if 0 // not used 742 static void snd_ali_start_voice(struct snd_ali * codec, unsigned int channel) 743 { 744 unsigned int mask = 1 << (channel & 0x1f); 745 746 snd_ali_printk("start_voice: channel=%d\n",channel); 747 outl(mask, ALI_REG(codec,codec->chregs.regs.start)); 748 } 749 #endif 750 751 static void snd_ali_stop_voice(struct snd_ali * codec, unsigned int channel) 752 { 753 unsigned int mask = 1 << (channel & 0x1f); 754 755 snd_ali_printk("stop_voice: channel=%d\n",channel); 756 outl(mask, ALI_REG(codec, codec->chregs.regs.stop)); 757 } 758 759 /* 760 * S/PDIF Part 761 */ 762 763 static void snd_ali_delay(struct snd_ali *codec,int interval) 764 { 765 unsigned long begintimer,currenttimer; 766 767 begintimer = inl(ALI_REG(codec, ALI_STIMER)); 768 currenttimer = inl(ALI_REG(codec, ALI_STIMER)); 769 770 while (currenttimer < begintimer + interval) { 771 if(snd_ali_stimer_ready(codec) < 0) 772 break; 773 currenttimer = inl(ALI_REG(codec, ALI_STIMER)); 774 } 775 } 776 777 static void snd_ali_detect_spdif_rate(struct snd_ali *codec) 778 { 779 u16 wval = 0; 780 u16 count = 0; 781 u8 bval = 0, R1 = 0, R2 = 0; 782 783 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1)); 784 bval |= 0x1F; 785 outb(bval,ALI_REG(codec,ALI_SPDIF_CTRL + 1)); 786 787 while (((R1 < 0x0B )||(R1 > 0x0E)) && (R1 != 0x12) && count <= 50000) { 788 count ++; 789 snd_ali_delay(codec, 6); 790 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1)); 791 R1 = bval & 0x1F; 792 } 793 794 if (count > 50000) { 795 snd_printk(KERN_ERR "ali_detect_spdif_rate: timeout!\n"); 796 return; 797 } 798 799 count = 0; 800 while (count++ <= 50000) { 801 snd_ali_delay(codec, 6); 802 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1)); 803 R2 = bval & 0x1F; 804 if (R2 != R1) R1 = R2; else break; 805 } 806 807 if (count > 50000) { 808 snd_printk(KERN_ERR "ali_detect_spdif_rate: timeout!\n"); 809 return; 810 } 811 812 if (R2 >= 0x0b && R2 <= 0x0e) { 813 wval = inw(ALI_REG(codec,ALI_SPDIF_CTRL + 2)); 814 wval &= 0xE0F0; 815 wval |= (u16)0x09 << 8 | (u16)0x05; 816 outw(wval,ALI_REG(codec,ALI_SPDIF_CTRL + 2)); 817 818 bval = inb(ALI_REG(codec,ALI_SPDIF_CS +3)) & 0xF0; 819 outb(bval|0x02,ALI_REG(codec,ALI_SPDIF_CS + 3)); 820 } else if (R2 == 0x12) { 821 wval = inw(ALI_REG(codec,ALI_SPDIF_CTRL + 2)); 822 wval &= 0xE0F0; 823 wval |= (u16)0x0E << 8 | (u16)0x08; 824 outw(wval,ALI_REG(codec,ALI_SPDIF_CTRL + 2)); 825 826 bval = inb(ALI_REG(codec,ALI_SPDIF_CS +3)) & 0xF0; 827 outb(bval|0x03,ALI_REG(codec,ALI_SPDIF_CS + 3)); 828 } 829 } 830 831 static unsigned int snd_ali_get_spdif_in_rate(struct snd_ali *codec) 832 { 833 u32 dwRate = 0; 834 u8 bval = 0; 835 836 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL)); 837 bval &= 0x7F; 838 bval |= 0x40; 839 outb(bval, ALI_REG(codec,ALI_SPDIF_CTRL)); 840 841 snd_ali_detect_spdif_rate(codec); 842 843 bval = inb(ALI_REG(codec,ALI_SPDIF_CS + 3)); 844 bval &= 0x0F; 845 846 if (bval == 0) dwRate = 44100; 847 if (bval == 1) dwRate = 48000; 848 if (bval == 2) dwRate = 32000; 849 850 return dwRate; 851 } 852 853 static void snd_ali_enable_spdif_in(struct snd_ali *codec) 854 { 855 unsigned int dwVal; 856 857 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 858 dwVal |= ALI_SPDIF_IN_SUPPORT; 859 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 860 861 dwVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); 862 dwVal |= 0x02; 863 outb(dwVal, ALI_REG(codec, ALI_SPDIF_CTRL)); 864 865 snd_ali_enable_special_channel(codec, ALI_SPDIF_IN_CHANNEL); 866 } 867 868 static void snd_ali_disable_spdif_in(struct snd_ali *codec) 869 { 870 unsigned int dwVal; 871 872 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 873 dwVal &= ~ALI_SPDIF_IN_SUPPORT; 874 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 875 876 snd_ali_disable_special_channel(codec, ALI_SPDIF_IN_CHANNEL); 877 } 878 879 880 static void snd_ali_set_spdif_out_rate(struct snd_ali *codec, unsigned int rate) 881 { 882 unsigned char bVal; 883 unsigned int dwRate = 0; 884 885 if (rate == 32000) dwRate = 0x300; 886 if (rate == 44100) dwRate = 0; 887 if (rate == 48000) dwRate = 0x200; 888 889 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); 890 bVal &= (unsigned char)(~(1<<6)); 891 892 bVal |= 0x80; //select right 893 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL)); 894 outb(dwRate | 0x20, ALI_REG(codec, ALI_SPDIF_CS + 2)); 895 896 bVal &= (~0x80); //select left 897 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL)); 898 outw(rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2)); 899 } 900 901 static void snd_ali_enable_spdif_out(struct snd_ali *codec) 902 { 903 unsigned short wVal; 904 unsigned char bVal; 905 906 struct pci_dev *pci_dev = NULL; 907 908 pci_dev = codec->pci_m1533; 909 if (pci_dev == NULL) 910 return; 911 pci_read_config_byte(pci_dev, 0x61, &bVal); 912 bVal |= 0x40; 913 pci_write_config_byte(pci_dev, 0x61, bVal); 914 pci_read_config_byte(pci_dev, 0x7d, &bVal); 915 bVal |= 0x01; 916 pci_write_config_byte(pci_dev, 0x7d, bVal); 917 918 pci_read_config_byte(pci_dev, 0x7e, &bVal); 919 bVal &= (~0x20); 920 bVal |= 0x10; 921 pci_write_config_byte(pci_dev, 0x7e, bVal); 922 923 bVal = inb(ALI_REG(codec, ALI_SCTRL)); 924 outb(bVal | ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL)); 925 926 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); 927 outb(bVal & ALI_SPDIF_OUT_CH_STATUS, ALI_REG(codec, ALI_SPDIF_CTRL)); 928 929 { 930 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 931 wVal |= ALI_SPDIF_OUT_SEL_PCM; 932 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 933 snd_ali_disable_special_channel(codec,ALI_SPDIF_OUT_CHANNEL); 934 } 935 } 936 937 static void snd_ali_enable_spdif_chnout(struct snd_ali *codec) 938 { 939 unsigned short wVal = 0; 940 941 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 942 wVal &= ~ALI_SPDIF_OUT_SEL_PCM; 943 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 944 /* 945 wVal = inw(ALI_REG(codec, ALI_SPDIF_CS)); 946 if (flag & ALI_SPDIF_OUT_NON_PCM) 947 wVal |= 0x0002; 948 else 949 wVal &= (~0x0002); 950 outw(wVal, ALI_REG(codec, ALI_SPDIF_CS)); 951 */ 952 snd_ali_enable_special_channel(codec,ALI_SPDIF_OUT_CHANNEL); 953 } 954 955 static void snd_ali_disable_spdif_chnout(struct snd_ali *codec) 956 { 957 unsigned short wVal = 0; 958 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 959 wVal |= ALI_SPDIF_OUT_SEL_PCM; 960 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 961 962 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL); 963 } 964 965 static void snd_ali_disable_spdif_out(struct snd_ali *codec) 966 { 967 unsigned char bVal; 968 969 bVal = inb(ALI_REG(codec, ALI_SCTRL)); 970 outb(bVal & ~ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL)); 971 972 snd_ali_disable_spdif_chnout(codec); 973 } 974 975 static void snd_ali_update_ptr(struct snd_ali *codec,int channel) 976 { 977 struct snd_ali_voice *pvoice = NULL; 978 struct snd_pcm_runtime *runtime; 979 struct snd_ali_channel_control *pchregs = NULL; 980 unsigned int old, mask; 981 #ifdef ALI_DEBUG 982 unsigned int temp, cspf; 983 #endif 984 985 pchregs = &(codec->chregs); 986 987 // check if interrupt occurred for channel 988 old = pchregs->data.aint; 989 mask = ((unsigned int) 1L) << (channel & 0x1f); 990 991 if (!(old & mask)) 992 return; 993 994 pvoice = &codec->synth.voices[channel]; 995 runtime = pvoice->substream->runtime; 996 997 udelay(100); 998 spin_lock(&codec->reg_lock); 999 1000 if (pvoice->pcm && pvoice->substream) { 1001 /* pcm interrupt */ 1002 #ifdef ALI_DEBUG 1003 outb((u8)(pvoice->number), ALI_REG(codec, ALI_GC_CIR)); 1004 temp = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)); 1005 cspf = (inl(ALI_REG(codec, ALI_CSPF)) & mask) == mask; 1006 #endif 1007 if (pvoice->running) { 1008 snd_ali_printk("update_ptr: cso=%4.4x cspf=%d.\n",(u16)temp,cspf); 1009 spin_unlock(&codec->reg_lock); 1010 snd_pcm_period_elapsed(pvoice->substream); 1011 spin_lock(&codec->reg_lock); 1012 } else { 1013 snd_ali_stop_voice(codec, channel); 1014 snd_ali_disable_voice_irq(codec, channel); 1015 } 1016 } else if (codec->synth.voices[channel].synth) { 1017 /* synth interrupt */ 1018 } else if (codec->synth.voices[channel].midi) { 1019 /* midi interrupt */ 1020 } else { 1021 /* unknown interrupt */ 1022 snd_ali_stop_voice(codec, channel); 1023 snd_ali_disable_voice_irq(codec, channel); 1024 } 1025 spin_unlock(&codec->reg_lock); 1026 outl(mask,ALI_REG(codec,pchregs->regs.aint)); 1027 pchregs->data.aint = old & (~mask); 1028 } 1029 1030 static void snd_ali_interrupt(struct snd_ali * codec) 1031 { 1032 int channel; 1033 unsigned int audio_int; 1034 struct snd_ali_channel_control *pchregs = NULL; 1035 pchregs = &(codec->chregs); 1036 1037 audio_int = inl(ALI_REG(codec, ALI_MISCINT)); 1038 if (audio_int & ADDRESS_IRQ) { 1039 // get interrupt status for all channels 1040 pchregs->data.aint = inl(ALI_REG(codec,pchregs->regs.aint)); 1041 for (channel = 0; channel < ALI_CHANNELS; channel++) { 1042 snd_ali_update_ptr(codec, channel); 1043 } 1044 } 1045 outl((TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW), 1046 ALI_REG(codec,ALI_MISCINT)); 1047 } 1048 1049 1050 static irqreturn_t snd_ali_card_interrupt(int irq, 1051 void *dev_id, 1052 struct pt_regs *regs) 1053 { 1054 struct snd_ali *codec = dev_id; 1055 1056 if (codec == NULL) 1057 return IRQ_NONE; 1058 snd_ali_interrupt(codec); 1059 return IRQ_HANDLED; 1060 } 1061 1062 1063 static struct snd_ali_voice *snd_ali_alloc_voice(struct snd_ali * codec, int type, int rec, int channel) 1064 { 1065 struct snd_ali_voice *pvoice = NULL; 1066 int idx; 1067 1068 snd_ali_printk("alloc_voice: type=%d rec=%d\n",type,rec); 1069 1070 spin_lock_irq(&codec->voice_alloc); 1071 if (type == SNDRV_ALI_VOICE_TYPE_PCM) { 1072 idx = channel > 0 ? snd_ali_alloc_pcm_channel(codec, channel) : 1073 snd_ali_find_free_channel(codec,rec); 1074 if(idx < 0) { 1075 snd_printk(KERN_ERR "ali_alloc_voice: err.\n"); 1076 spin_unlock_irq(&codec->voice_alloc); 1077 return NULL; 1078 } 1079 pvoice = &(codec->synth.voices[idx]); 1080 pvoice->codec = codec; 1081 pvoice->use = 1; 1082 pvoice->pcm = 1; 1083 pvoice->mode = rec; 1084 spin_unlock_irq(&codec->voice_alloc); 1085 return pvoice; 1086 } 1087 spin_unlock_irq(&codec->voice_alloc); 1088 return NULL; 1089 } 1090 1091 1092 static void snd_ali_free_voice(struct snd_ali * codec, struct snd_ali_voice *pvoice) 1093 { 1094 void (*private_free)(void *); 1095 void *private_data; 1096 1097 snd_ali_printk("free_voice: channel=%d\n",pvoice->number); 1098 if (pvoice == NULL || !pvoice->use) 1099 return; 1100 snd_ali_clear_voices(codec, pvoice->number, pvoice->number); 1101 spin_lock_irq(&codec->voice_alloc); 1102 private_free = pvoice->private_free; 1103 private_data = pvoice->private_data; 1104 pvoice->private_free = NULL; 1105 pvoice->private_data = NULL; 1106 if (pvoice->pcm) { 1107 snd_ali_free_channel_pcm(codec, pvoice->number); 1108 } 1109 pvoice->use = pvoice->pcm = pvoice->synth = 0; 1110 pvoice->substream = NULL; 1111 spin_unlock_irq(&codec->voice_alloc); 1112 if (private_free) 1113 private_free(private_data); 1114 } 1115 1116 1117 static void snd_ali_clear_voices(struct snd_ali * codec, 1118 unsigned int v_min, 1119 unsigned int v_max) 1120 { 1121 unsigned int i; 1122 1123 for (i = v_min; i <= v_max; i++) { 1124 snd_ali_stop_voice(codec, i); 1125 snd_ali_disable_voice_irq(codec, i); 1126 } 1127 } 1128 1129 static void snd_ali_write_voice_regs(struct snd_ali * codec, 1130 unsigned int Channel, 1131 unsigned int LBA, 1132 unsigned int CSO, 1133 unsigned int ESO, 1134 unsigned int DELTA, 1135 unsigned int ALPHA_FMS, 1136 unsigned int GVSEL, 1137 unsigned int PAN, 1138 unsigned int VOL, 1139 unsigned int CTRL, 1140 unsigned int EC) 1141 { 1142 unsigned int ctlcmds[4]; 1143 1144 outb((unsigned char)(Channel & 0x001f),ALI_REG(codec,ALI_GC_CIR)); 1145 1146 ctlcmds[0] = (CSO << 16) | (ALPHA_FMS & 0x0000ffff); 1147 ctlcmds[1] = LBA; 1148 ctlcmds[2] = (ESO << 16) | (DELTA & 0x0ffff); 1149 ctlcmds[3] = (GVSEL << 31) | 1150 ((PAN & 0x0000007f) << 24) | 1151 ((VOL & 0x000000ff) << 16) | 1152 ((CTRL & 0x0000000f) << 12) | 1153 (EC & 0x00000fff); 1154 1155 outb(Channel, ALI_REG(codec, ALI_GC_CIR)); 1156 1157 outl(ctlcmds[0], ALI_REG(codec,ALI_CSO_ALPHA_FMS)); 1158 outl(ctlcmds[1], ALI_REG(codec,ALI_LBA)); 1159 outl(ctlcmds[2], ALI_REG(codec,ALI_ESO_DELTA)); 1160 outl(ctlcmds[3], ALI_REG(codec,ALI_GVSEL_PAN_VOC_CTRL_EC)); 1161 1162 outl(0x30000000, ALI_REG(codec, ALI_EBUF1)); /* Still Mode */ 1163 outl(0x30000000, ALI_REG(codec, ALI_EBUF2)); /* Still Mode */ 1164 } 1165 1166 static unsigned int snd_ali_convert_rate(unsigned int rate, int rec) 1167 { 1168 unsigned int delta; 1169 1170 if (rate < 4000) rate = 4000; 1171 if (rate > 48000) rate = 48000; 1172 1173 if (rec) { 1174 if (rate == 44100) 1175 delta = 0x116a; 1176 else if (rate == 8000) 1177 delta = 0x6000; 1178 else if (rate == 48000) 1179 delta = 0x1000; 1180 else 1181 delta = ((48000 << 12) / rate) & 0x0000ffff; 1182 } else { 1183 if (rate == 44100) 1184 delta = 0xeb3; 1185 else if (rate == 8000) 1186 delta = 0x2ab; 1187 else if (rate == 48000) 1188 delta = 0x1000; 1189 else 1190 delta = (((rate << 12) + rate) / 48000) & 0x0000ffff; 1191 } 1192 1193 return delta; 1194 } 1195 1196 static unsigned int snd_ali_control_mode(struct snd_pcm_substream *substream) 1197 { 1198 unsigned int CTRL; 1199 struct snd_pcm_runtime *runtime = substream->runtime; 1200 1201 /* set ctrl mode 1202 CTRL default: 8-bit (unsigned) mono, loop mode enabled 1203 */ 1204 CTRL = 0x00000001; 1205 if (snd_pcm_format_width(runtime->format) == 16) 1206 CTRL |= 0x00000008; // 16-bit data 1207 if (!snd_pcm_format_unsigned(runtime->format)) 1208 CTRL |= 0x00000002; // signed data 1209 if (runtime->channels > 1) 1210 CTRL |= 0x00000004; // stereo data 1211 return CTRL; 1212 } 1213 1214 /* 1215 * PCM part 1216 */ 1217 1218 static int snd_ali_ioctl(struct snd_pcm_substream *substream, 1219 unsigned int cmd, void *arg) 1220 { 1221 return snd_pcm_lib_ioctl(substream, cmd, arg); 1222 } 1223 1224 static int snd_ali_trigger(struct snd_pcm_substream *substream, 1225 int cmd) 1226 1227 { 1228 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1229 struct list_head *pos; 1230 struct snd_pcm_substream *s; 1231 unsigned int what, whati, capture_flag; 1232 struct snd_ali_voice *pvoice = NULL, *evoice = NULL; 1233 unsigned int val; 1234 int do_start; 1235 1236 switch (cmd) { 1237 case SNDRV_PCM_TRIGGER_START: 1238 case SNDRV_PCM_TRIGGER_RESUME: 1239 do_start = 1; break; 1240 case SNDRV_PCM_TRIGGER_STOP: 1241 case SNDRV_PCM_TRIGGER_SUSPEND: 1242 do_start = 0; break; 1243 default: 1244 return -EINVAL; 1245 } 1246 1247 what = whati = capture_flag = 0; 1248 snd_pcm_group_for_each(pos, substream) { 1249 s = snd_pcm_group_substream_entry(pos); 1250 if ((struct snd_ali *) snd_pcm_substream_chip(s) == codec) { 1251 pvoice = s->runtime->private_data; 1252 evoice = pvoice->extra; 1253 what |= 1 << (pvoice->number & 0x1f); 1254 if (evoice == NULL) { 1255 whati |= 1 << (pvoice->number & 0x1f); 1256 } else { 1257 whati |= 1 << (evoice->number & 0x1f); 1258 what |= 1 << (evoice->number & 0x1f); 1259 } 1260 if (do_start) { 1261 pvoice->running = 1; 1262 if (evoice != NULL) 1263 evoice->running = 1; 1264 } else { 1265 pvoice->running = 0; 1266 if (evoice != NULL) 1267 evoice->running = 0; 1268 } 1269 snd_pcm_trigger_done(s, substream); 1270 if (pvoice->mode) 1271 capture_flag = 1; 1272 } 1273 } 1274 spin_lock(&codec->reg_lock); 1275 if (! do_start) { 1276 outl(what, ALI_REG(codec, ALI_STOP)); 1277 } 1278 val = inl(ALI_REG(codec, ALI_AINTEN)); 1279 if (do_start) { 1280 val |= whati; 1281 } else { 1282 val &= ~whati; 1283 } 1284 outl(val, ALI_REG(codec, ALI_AINTEN)); 1285 if (do_start) { 1286 outl(what, ALI_REG(codec, ALI_START)); 1287 } 1288 snd_ali_printk("trigger: what=%xh whati=%xh\n",what,whati); 1289 spin_unlock(&codec->reg_lock); 1290 1291 return 0; 1292 } 1293 1294 static int snd_ali_playback_hw_params(struct snd_pcm_substream *substream, 1295 struct snd_pcm_hw_params *hw_params) 1296 { 1297 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1298 struct snd_pcm_runtime *runtime = substream->runtime; 1299 struct snd_ali_voice *pvoice = runtime->private_data; 1300 struct snd_ali_voice *evoice = pvoice->extra; 1301 int err; 1302 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 1303 if (err < 0) return err; 1304 1305 /* voice management */ 1306 1307 if (params_buffer_size(hw_params)/2 != params_period_size(hw_params)) { 1308 if (evoice == NULL) { 1309 evoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, 0, -1); 1310 if (evoice == NULL) 1311 return -ENOMEM; 1312 pvoice->extra = evoice; 1313 evoice->substream = substream; 1314 } 1315 } else { 1316 if (evoice != NULL) { 1317 snd_ali_free_voice(codec, evoice); 1318 pvoice->extra = evoice = NULL; 1319 } 1320 } 1321 1322 return 0; 1323 } 1324 1325 static int snd_ali_playback_hw_free(struct snd_pcm_substream *substream) 1326 { 1327 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1328 struct snd_pcm_runtime *runtime = substream->runtime; 1329 struct snd_ali_voice *pvoice = runtime->private_data; 1330 struct snd_ali_voice *evoice = pvoice ? pvoice->extra : NULL; 1331 1332 snd_pcm_lib_free_pages(substream); 1333 if (evoice != NULL) { 1334 snd_ali_free_voice(codec, evoice); 1335 pvoice->extra = NULL; 1336 } 1337 return 0; 1338 } 1339 1340 static int snd_ali_hw_params(struct snd_pcm_substream *substream, 1341 struct snd_pcm_hw_params *hw_params) 1342 { 1343 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 1344 } 1345 1346 static int snd_ali_hw_free(struct snd_pcm_substream *substream) 1347 { 1348 return snd_pcm_lib_free_pages(substream); 1349 } 1350 1351 static int snd_ali_playback_prepare(struct snd_pcm_substream *substream) 1352 { 1353 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1354 struct snd_pcm_runtime *runtime = substream->runtime; 1355 struct snd_ali_voice *pvoice = runtime->private_data; 1356 struct snd_ali_voice *evoice = pvoice->extra; 1357 1358 unsigned int LBA; 1359 unsigned int Delta; 1360 unsigned int ESO; 1361 unsigned int CTRL; 1362 unsigned int GVSEL; 1363 unsigned int PAN; 1364 unsigned int VOL; 1365 unsigned int EC; 1366 1367 snd_ali_printk("playback_prepare ...\n"); 1368 1369 spin_lock_irq(&codec->reg_lock); 1370 1371 /* set Delta (rate) value */ 1372 Delta = snd_ali_convert_rate(runtime->rate, 0); 1373 1374 if ((pvoice->number == ALI_SPDIF_IN_CHANNEL) || 1375 (pvoice->number == ALI_PCM_IN_CHANNEL)) 1376 snd_ali_disable_special_channel(codec, pvoice->number); 1377 else if (codec->spdif_support && 1378 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_OUT_CH_ENABLE) 1379 && (pvoice->number == ALI_SPDIF_OUT_CHANNEL)) { 1380 snd_ali_set_spdif_out_rate(codec, runtime->rate); 1381 Delta = 0x1000; 1382 } 1383 1384 /* set Loop Back Address */ 1385 LBA = runtime->dma_addr; 1386 1387 /* set interrupt count size */ 1388 pvoice->count = runtime->period_size; 1389 1390 /* set target ESO for channel */ 1391 pvoice->eso = runtime->buffer_size; 1392 1393 snd_ali_printk("playback_prepare: eso=%xh count=%xh\n",pvoice->eso,pvoice->count); 1394 1395 /* set ESO to capture first MIDLP interrupt */ 1396 ESO = pvoice->eso -1; 1397 /* set ctrl mode */ 1398 CTRL = snd_ali_control_mode(substream); 1399 1400 GVSEL = 1; 1401 PAN = 0; 1402 VOL = 0; 1403 EC = 0; 1404 snd_ali_printk("playback_prepare:\n ch=%d, Rate=%d Delta=%xh,GVSEL=%xh,PAN=%xh,CTRL=%xh\n",pvoice->number,runtime->rate,Delta,GVSEL,PAN,CTRL); 1405 snd_ali_write_voice_regs( codec, 1406 pvoice->number, 1407 LBA, 1408 0, /* cso */ 1409 ESO, 1410 Delta, 1411 0, /* alpha */ 1412 GVSEL, 1413 PAN, 1414 VOL, 1415 CTRL, 1416 EC); 1417 if (evoice != NULL) { 1418 evoice->count = pvoice->count; 1419 evoice->eso = pvoice->count << 1; 1420 ESO = evoice->eso - 1; 1421 snd_ali_write_voice_regs(codec, 1422 evoice->number, 1423 LBA, 1424 0, /* cso */ 1425 ESO, 1426 Delta, 1427 0, /* alpha */ 1428 GVSEL, 1429 (unsigned int)0x7f, 1430 (unsigned int)0x3ff, 1431 CTRL, 1432 EC); 1433 } 1434 spin_unlock_irq(&codec->reg_lock); 1435 return 0; 1436 } 1437 1438 1439 static int snd_ali_prepare(struct snd_pcm_substream *substream) 1440 { 1441 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1442 struct snd_pcm_runtime *runtime = substream->runtime; 1443 struct snd_ali_voice *pvoice = runtime->private_data; 1444 unsigned int LBA; 1445 unsigned int Delta; 1446 unsigned int ESO; 1447 unsigned int CTRL; 1448 unsigned int GVSEL; 1449 unsigned int PAN; 1450 unsigned int VOL; 1451 unsigned int EC; 1452 u8 bValue; 1453 1454 spin_lock_irq(&codec->reg_lock); 1455 1456 snd_ali_printk("ali_prepare...\n"); 1457 1458 snd_ali_enable_special_channel(codec,pvoice->number); 1459 1460 Delta = (pvoice->number == ALI_MODEM_IN_CHANNEL || 1461 pvoice->number == ALI_MODEM_OUT_CHANNEL) ? 1462 0x1000 : snd_ali_convert_rate(runtime->rate, pvoice->mode); 1463 1464 // Prepare capture intr channel 1465 if (pvoice->number == ALI_SPDIF_IN_CHANNEL) { 1466 1467 unsigned int rate; 1468 1469 spin_unlock_irq(&codec->reg_lock); 1470 if (codec->revision != ALI_5451_V02) 1471 return -1; 1472 1473 rate = snd_ali_get_spdif_in_rate(codec); 1474 if (rate == 0) { 1475 snd_printk(KERN_WARNING "ali_capture_preapre: spdif rate detect err!\n"); 1476 rate = 48000; 1477 } 1478 spin_lock_irq(&codec->reg_lock); 1479 bValue = inb(ALI_REG(codec,ALI_SPDIF_CTRL)); 1480 if (bValue & 0x10) { 1481 outb(bValue,ALI_REG(codec,ALI_SPDIF_CTRL)); 1482 printk(KERN_WARNING "clear SPDIF parity error flag.\n"); 1483 } 1484 1485 if (rate != 48000) 1486 Delta = ((rate << 12)/runtime->rate)&0x00ffff; 1487 } 1488 1489 // set target ESO for channel 1490 pvoice->eso = runtime->buffer_size; 1491 1492 // set interrupt count size 1493 pvoice->count = runtime->period_size; 1494 1495 // set Loop Back Address 1496 LBA = runtime->dma_addr; 1497 1498 // set ESO to capture first MIDLP interrupt 1499 ESO = pvoice->eso - 1; 1500 CTRL = snd_ali_control_mode(substream); 1501 GVSEL = 0; 1502 PAN = 0x00; 1503 VOL = 0x00; 1504 EC = 0; 1505 1506 snd_ali_write_voice_regs( codec, 1507 pvoice->number, 1508 LBA, 1509 0, /* cso */ 1510 ESO, 1511 Delta, 1512 0, /* alpha */ 1513 GVSEL, 1514 PAN, 1515 VOL, 1516 CTRL, 1517 EC); 1518 1519 1520 spin_unlock_irq(&codec->reg_lock); 1521 1522 return 0; 1523 } 1524 1525 1526 static snd_pcm_uframes_t snd_ali_playback_pointer(struct snd_pcm_substream *substream) 1527 { 1528 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1529 struct snd_pcm_runtime *runtime = substream->runtime; 1530 struct snd_ali_voice *pvoice = runtime->private_data; 1531 unsigned int cso; 1532 1533 spin_lock(&codec->reg_lock); 1534 if (!pvoice->running) { 1535 spin_unlock(&codec->reg_lock); 1536 return 0; 1537 } 1538 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR)); 1539 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)); 1540 spin_unlock(&codec->reg_lock); 1541 snd_ali_printk("playback pointer returned cso=%xh.\n", cso); 1542 1543 return cso; 1544 } 1545 1546 1547 static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream) 1548 { 1549 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1550 struct snd_pcm_runtime *runtime = substream->runtime; 1551 struct snd_ali_voice *pvoice = runtime->private_data; 1552 unsigned int cso; 1553 1554 spin_lock(&codec->reg_lock); 1555 if (!pvoice->running) { 1556 spin_unlock_irq(&codec->reg_lock); 1557 return 0; 1558 } 1559 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR)); 1560 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)); 1561 spin_unlock(&codec->reg_lock); 1562 1563 return cso; 1564 } 1565 1566 static struct snd_pcm_hardware snd_ali_playback = 1567 { 1568 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1569 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1570 SNDRV_PCM_INFO_MMAP_VALID | 1571 SNDRV_PCM_INFO_RESUME | 1572 SNDRV_PCM_INFO_SYNC_START), 1573 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | 1574 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE), 1575 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 1576 .rate_min = 4000, 1577 .rate_max = 48000, 1578 .channels_min = 1, 1579 .channels_max = 2, 1580 .buffer_bytes_max = (256*1024), 1581 .period_bytes_min = 64, 1582 .period_bytes_max = (256*1024), 1583 .periods_min = 1, 1584 .periods_max = 1024, 1585 .fifo_size = 0, 1586 }; 1587 1588 /* 1589 * Capture support device description 1590 */ 1591 1592 static struct snd_pcm_hardware snd_ali_capture = 1593 { 1594 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1595 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1596 SNDRV_PCM_INFO_MMAP_VALID | 1597 SNDRV_PCM_INFO_RESUME | 1598 SNDRV_PCM_INFO_SYNC_START), 1599 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | 1600 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE), 1601 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 1602 .rate_min = 4000, 1603 .rate_max = 48000, 1604 .channels_min = 1, 1605 .channels_max = 2, 1606 .buffer_bytes_max = (128*1024), 1607 .period_bytes_min = 64, 1608 .period_bytes_max = (128*1024), 1609 .periods_min = 1, 1610 .periods_max = 1024, 1611 .fifo_size = 0, 1612 }; 1613 1614 static void snd_ali_pcm_free_substream(struct snd_pcm_runtime *runtime) 1615 { 1616 struct snd_ali_voice *pvoice = runtime->private_data; 1617 struct snd_ali *codec; 1618 1619 if (pvoice) { 1620 codec = pvoice->codec; 1621 snd_ali_free_voice(pvoice->codec, pvoice); 1622 } 1623 } 1624 1625 static int snd_ali_open(struct snd_pcm_substream *substream, int rec, int channel, 1626 struct snd_pcm_hardware *phw) 1627 { 1628 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1629 struct snd_pcm_runtime *runtime = substream->runtime; 1630 struct snd_ali_voice *pvoice; 1631 1632 pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, rec, channel); 1633 if (pvoice == NULL) 1634 return -EAGAIN; 1635 1636 pvoice->substream = substream; 1637 runtime->private_data = pvoice; 1638 runtime->private_free = snd_ali_pcm_free_substream; 1639 1640 runtime->hw = *phw; 1641 snd_pcm_set_sync(substream); 1642 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024); 1643 return 0; 1644 } 1645 1646 static int snd_ali_playback_open(struct snd_pcm_substream *substream) 1647 { 1648 return snd_ali_open(substream, 0, -1, &snd_ali_playback); 1649 } 1650 1651 static int snd_ali_capture_open(struct snd_pcm_substream *substream) 1652 { 1653 return snd_ali_open(substream, 1, -1, &snd_ali_capture); 1654 } 1655 1656 static int snd_ali_playback_close(struct snd_pcm_substream *substream) 1657 { 1658 return 0; 1659 } 1660 1661 static int snd_ali_close(struct snd_pcm_substream *substream) 1662 { 1663 struct snd_ali *codec = snd_pcm_substream_chip(substream); 1664 struct snd_ali_voice *pvoice = substream->runtime->private_data; 1665 1666 snd_ali_disable_special_channel(codec,pvoice->number); 1667 1668 return 0; 1669 } 1670 1671 static struct snd_pcm_ops snd_ali_playback_ops = { 1672 .open = snd_ali_playback_open, 1673 .close = snd_ali_playback_close, 1674 .ioctl = snd_ali_ioctl, 1675 .hw_params = snd_ali_playback_hw_params, 1676 .hw_free = snd_ali_playback_hw_free, 1677 .prepare = snd_ali_playback_prepare, 1678 .trigger = snd_ali_trigger, 1679 .pointer = snd_ali_playback_pointer, 1680 }; 1681 1682 static struct snd_pcm_ops snd_ali_capture_ops = { 1683 .open = snd_ali_capture_open, 1684 .close = snd_ali_close, 1685 .ioctl = snd_ali_ioctl, 1686 .hw_params = snd_ali_hw_params, 1687 .hw_free = snd_ali_hw_free, 1688 .prepare = snd_ali_prepare, 1689 .trigger = snd_ali_trigger, 1690 .pointer = snd_ali_pointer, 1691 }; 1692 1693 /* 1694 * Modem PCM 1695 */ 1696 1697 static int snd_ali_modem_hw_params(struct snd_pcm_substream *substream, 1698 struct snd_pcm_hw_params *hw_params) 1699 { 1700 struct snd_ali *chip = snd_pcm_substream_chip(substream); 1701 unsigned int modem_num = chip->num_of_codecs - 1; 1702 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_RATE, params_rate(hw_params)); 1703 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_LEVEL, 0); 1704 return snd_ali_hw_params(substream, hw_params); 1705 } 1706 1707 static struct snd_pcm_hardware snd_ali_modem = 1708 { 1709 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1710 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1711 SNDRV_PCM_INFO_MMAP_VALID | 1712 SNDRV_PCM_INFO_RESUME | 1713 SNDRV_PCM_INFO_SYNC_START), 1714 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1715 .rates = SNDRV_PCM_RATE_KNOT|SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000, 1716 .rate_min = 8000, 1717 .rate_max = 16000, 1718 .channels_min = 1, 1719 .channels_max = 1, 1720 .buffer_bytes_max = (256*1024), 1721 .period_bytes_min = 64, 1722 .period_bytes_max = (256*1024), 1723 .periods_min = 1, 1724 .periods_max = 1024, 1725 .fifo_size = 0, 1726 }; 1727 1728 static int snd_ali_modem_open(struct snd_pcm_substream *substream, int rec, int channel) 1729 { 1730 static unsigned int rates [] = {8000,9600,12000,16000}; 1731 static struct snd_pcm_hw_constraint_list hw_constraint_rates = { 1732 .count = ARRAY_SIZE(rates), 1733 .list = rates, 1734 .mask = 0, 1735 }; 1736 int err = snd_ali_open(substream, rec, channel, &snd_ali_modem); 1737 if (err) 1738 return err; 1739 return snd_pcm_hw_constraint_list(substream->runtime, 0, 1740 SNDRV_PCM_HW_PARAM_RATE, &hw_constraint_rates); 1741 } 1742 1743 static int snd_ali_modem_playback_open(struct snd_pcm_substream *substream) 1744 { 1745 return snd_ali_modem_open(substream, 0, ALI_MODEM_OUT_CHANNEL); 1746 } 1747 1748 static int snd_ali_modem_capture_open(struct snd_pcm_substream *substream) 1749 { 1750 return snd_ali_modem_open(substream, 1, ALI_MODEM_IN_CHANNEL); 1751 } 1752 1753 static struct snd_pcm_ops snd_ali_modem_playback_ops = { 1754 .open = snd_ali_modem_playback_open, 1755 .close = snd_ali_close, 1756 .ioctl = snd_pcm_lib_ioctl, 1757 .hw_params = snd_ali_modem_hw_params, 1758 .hw_free = snd_ali_hw_free, 1759 .prepare = snd_ali_prepare, 1760 .trigger = snd_ali_trigger, 1761 .pointer = snd_ali_pointer, 1762 }; 1763 1764 static struct snd_pcm_ops snd_ali_modem_capture_ops = { 1765 .open = snd_ali_modem_capture_open, 1766 .close = snd_ali_close, 1767 .ioctl = snd_pcm_lib_ioctl, 1768 .hw_params = snd_ali_modem_hw_params, 1769 .hw_free = snd_ali_hw_free, 1770 .prepare = snd_ali_prepare, 1771 .trigger = snd_ali_trigger, 1772 .pointer = snd_ali_pointer, 1773 }; 1774 1775 1776 struct ali_pcm_description { 1777 char *name; 1778 unsigned int playback_num; 1779 unsigned int capture_num; 1780 struct snd_pcm_ops *playback_ops; 1781 struct snd_pcm_ops *capture_ops; 1782 unsigned short class; 1783 }; 1784 1785 1786 static void snd_ali_pcm_free(struct snd_pcm *pcm) 1787 { 1788 struct snd_ali *codec = pcm->private_data; 1789 codec->pcm[pcm->device] = NULL; 1790 } 1791 1792 1793 static int __devinit snd_ali_pcm(struct snd_ali * codec, int device, struct ali_pcm_description *desc) 1794 { 1795 struct snd_pcm *pcm; 1796 int err; 1797 1798 err = snd_pcm_new(codec->card, desc->name, device, 1799 desc->playback_num, desc->capture_num, &pcm); 1800 if (err < 0) { 1801 snd_printk(KERN_ERR "snd_ali_pcm: err called snd_pcm_new.\n"); 1802 return err; 1803 } 1804 pcm->private_data = codec; 1805 pcm->private_free = snd_ali_pcm_free; 1806 if (desc->playback_ops) 1807 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, desc->playback_ops); 1808 if (desc->capture_ops) 1809 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, desc->capture_ops); 1810 1811 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 1812 snd_dma_pci_data(codec->pci), 64*1024, 128*1024); 1813 1814 pcm->info_flags = 0; 1815 pcm->dev_class = desc->class; 1816 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1817 strcpy(pcm->name, desc->name); 1818 codec->pcm[0] = pcm; 1819 return 0; 1820 } 1821 1822 static struct ali_pcm_description ali_pcms[] = { 1823 { "ALI 5451", ALI_CHANNELS, 1, &snd_ali_playback_ops, &snd_ali_capture_ops }, 1824 { "ALI 5451 modem", 1, 1, &snd_ali_modem_playback_ops, &snd_ali_modem_capture_ops, SNDRV_PCM_CLASS_MODEM } 1825 }; 1826 1827 static int __devinit snd_ali_build_pcms(struct snd_ali *codec) 1828 { 1829 int i, err; 1830 for(i = 0 ; i < codec->num_of_codecs && i < ARRAY_SIZE(ali_pcms) ; i++) 1831 if((err = snd_ali_pcm(codec, i, &ali_pcms[i])) < 0) 1832 return err; 1833 return 0; 1834 } 1835 1836 1837 #define ALI5451_SPDIF(xname, xindex, value) \ 1838 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\ 1839 .info = snd_ali5451_spdif_info, .get = snd_ali5451_spdif_get, \ 1840 .put = snd_ali5451_spdif_put, .private_value = value} 1841 1842 static int snd_ali5451_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 1843 { 1844 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1845 uinfo->count = 1; 1846 uinfo->value.integer.min = 0; 1847 uinfo->value.integer.max = 1; 1848 return 0; 1849 } 1850 1851 static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1852 { 1853 struct snd_ali *codec = kcontrol->private_data; 1854 unsigned int enable; 1855 1856 enable = ucontrol->value.integer.value[0] ? 1 : 0; 1857 1858 spin_lock_irq(&codec->reg_lock); 1859 switch(kcontrol->private_value) { 1860 case 0: 1861 enable = (codec->spdif_mask & 0x02) ? 1 : 0; 1862 break; 1863 case 1: 1864 enable = ((codec->spdif_mask & 0x02) && (codec->spdif_mask & 0x04)) ? 1 : 0; 1865 break; 1866 case 2: 1867 enable = (codec->spdif_mask & 0x01) ? 1 : 0; 1868 break; 1869 default: 1870 break; 1871 } 1872 ucontrol->value.integer.value[0] = enable; 1873 spin_unlock_irq(&codec->reg_lock); 1874 return 0; 1875 } 1876 1877 static int snd_ali5451_spdif_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1878 { 1879 struct snd_ali *codec = kcontrol->private_data; 1880 unsigned int change = 0, enable = 0; 1881 1882 enable = ucontrol->value.integer.value[0] ? 1 : 0; 1883 1884 spin_lock_irq(&codec->reg_lock); 1885 switch (kcontrol->private_value) { 1886 case 0: 1887 change = (codec->spdif_mask & 0x02) ? 1 : 0; 1888 change = change ^ enable; 1889 if (change) { 1890 if (enable) { 1891 codec->spdif_mask |= 0x02; 1892 snd_ali_enable_spdif_out(codec); 1893 } else { 1894 codec->spdif_mask &= ~(0x02); 1895 codec->spdif_mask &= ~(0x04); 1896 snd_ali_disable_spdif_out(codec); 1897 } 1898 } 1899 break; 1900 case 1: 1901 change = (codec->spdif_mask & 0x04) ? 1 : 0; 1902 change = change ^ enable; 1903 if (change && (codec->spdif_mask & 0x02)) { 1904 if (enable) { 1905 codec->spdif_mask |= 0x04; 1906 snd_ali_enable_spdif_chnout(codec); 1907 } else { 1908 codec->spdif_mask &= ~(0x04); 1909 snd_ali_disable_spdif_chnout(codec); 1910 } 1911 } 1912 break; 1913 case 2: 1914 change = (codec->spdif_mask & 0x01) ? 1 : 0; 1915 change = change ^ enable; 1916 if (change) { 1917 if (enable) { 1918 codec->spdif_mask |= 0x01; 1919 snd_ali_enable_spdif_in(codec); 1920 } else { 1921 codec->spdif_mask &= ~(0x01); 1922 snd_ali_disable_spdif_in(codec); 1923 } 1924 } 1925 break; 1926 default: 1927 break; 1928 } 1929 spin_unlock_irq(&codec->reg_lock); 1930 1931 return change; 1932 } 1933 1934 static struct snd_kcontrol_new snd_ali5451_mixer_spdif[] __devinitdata = { 1935 /* spdif aplayback switch */ 1936 /* FIXME: "IEC958 Playback Switch" may conflict with one on ac97_codec */ 1937 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 0, 0), 1938 /* spdif out to spdif channel */ 1939 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Channel Output ",NONE,SWITCH), 0, 1), 1940 /* spdif in from spdif channel */ 1941 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, 2) 1942 }; 1943 1944 static void snd_ali_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1945 { 1946 struct snd_ali *codec = bus->private_data; 1947 codec->ac97_bus = NULL; 1948 } 1949 1950 static void snd_ali_mixer_free_ac97(struct snd_ac97 *ac97) 1951 { 1952 struct snd_ali *codec = ac97->private_data; 1953 codec->ac97[ac97->num] = NULL; 1954 } 1955 1956 static int __devinit snd_ali_mixer(struct snd_ali * codec) 1957 { 1958 struct snd_ac97_template ac97; 1959 unsigned int idx; 1960 int i, err; 1961 static struct snd_ac97_bus_ops ops = { 1962 .write = snd_ali_codec_write, 1963 .read = snd_ali_codec_read, 1964 }; 1965 1966 if ((err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus)) < 0) 1967 return err; 1968 codec->ac97_bus->private_free = snd_ali_mixer_free_ac97_bus; 1969 1970 memset(&ac97, 0, sizeof(ac97)); 1971 ac97.private_data = codec; 1972 ac97.private_free = snd_ali_mixer_free_ac97; 1973 1974 for ( i = 0 ; i < codec->num_of_codecs ; i++) { 1975 ac97.num = i; 1976 if ((err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97[i])) < 0) { 1977 snd_printk(KERN_ERR "ali mixer %d creating error.\n", i); 1978 if(i == 0) 1979 return err; 1980 codec->num_of_codecs = 1; 1981 break; 1982 } 1983 } 1984 1985 if (codec->spdif_support) { 1986 for(idx = 0; idx < ARRAY_SIZE(snd_ali5451_mixer_spdif); idx++) { 1987 err=snd_ctl_add(codec->card, snd_ctl_new1(&snd_ali5451_mixer_spdif[idx], codec)); 1988 if (err < 0) return err; 1989 } 1990 } 1991 return 0; 1992 } 1993 1994 #ifdef CONFIG_PM 1995 static int ali_suspend(struct pci_dev *pci, pm_message_t state) 1996 { 1997 struct snd_card *card = pci_get_drvdata(pci); 1998 struct snd_ali *chip = card->private_data; 1999 struct snd_ali_image *im; 2000 int i, j; 2001 2002 im = chip->image; 2003 if (! im) 2004 return 0; 2005 2006 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 2007 for(i = 0 ; i < chip->num_of_codecs ; i++) { 2008 snd_pcm_suspend_all(chip->pcm[i]); 2009 snd_ac97_suspend(chip->ac97[i]); 2010 } 2011 2012 spin_lock_irq(&chip->reg_lock); 2013 2014 im->regs[ALI_MISCINT >> 2] = inl(ALI_REG(chip, ALI_MISCINT)); 2015 // im->regs[ALI_START >> 2] = inl(ALI_REG(chip, ALI_START)); 2016 im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP)); 2017 2018 // disable all IRQ bits 2019 outl(0, ALI_REG(chip, ALI_MISCINT)); 2020 2021 for (i = 0; i < ALI_GLOBAL_REGS; i++) { 2022 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP)) 2023 continue; 2024 im->regs[i] = inl(ALI_REG(chip, i*4)); 2025 } 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 im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0)); 2031 } 2032 2033 // stop all HW channel 2034 outl(0xffffffff, ALI_REG(chip, ALI_STOP)); 2035 2036 spin_unlock_irq(&chip->reg_lock); 2037 pci_disable_device(pci); 2038 pci_save_state(pci); 2039 return 0; 2040 } 2041 2042 static int ali_resume(struct pci_dev *pci) 2043 { 2044 struct snd_card *card = pci_get_drvdata(pci); 2045 struct snd_ali *chip = card->private_data; 2046 struct snd_ali_image *im; 2047 int i, j; 2048 2049 im = chip->image; 2050 if (! im) 2051 return 0; 2052 2053 pci_restore_state(pci); 2054 pci_enable_device(pci); 2055 2056 spin_lock_irq(&chip->reg_lock); 2057 2058 for (i = 0; i < ALI_CHANNELS; i++) { 2059 outb(i, ALI_REG(chip, ALI_GC_CIR)); 2060 for (j = 0; j < ALI_CHANNEL_REGS; j++) 2061 outl(im->channel_regs[i][j], ALI_REG(chip, j*4 + 0xe0)); 2062 } 2063 2064 for (i = 0; i < ALI_GLOBAL_REGS; i++) { 2065 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) || (i*4 == ALI_START)) 2066 continue; 2067 outl(im->regs[i], ALI_REG(chip, i*4)); 2068 } 2069 2070 // start HW channel 2071 outl(im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START)); 2072 // restore IRQ enable bits 2073 outl(im->regs[ALI_MISCINT >> 2], ALI_REG(chip, ALI_MISCINT)); 2074 2075 spin_unlock_irq(&chip->reg_lock); 2076 2077 for(i = 0 ; i < chip->num_of_codecs ; i++) 2078 snd_ac97_resume(chip->ac97[i]); 2079 2080 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 2081 return 0; 2082 } 2083 #endif /* CONFIG_PM */ 2084 2085 static int snd_ali_free(struct snd_ali * codec) 2086 { 2087 if (codec->hw_initialized) 2088 snd_ali_disable_address_interrupt(codec); 2089 if (codec->irq >= 0) { 2090 synchronize_irq(codec->irq); 2091 free_irq(codec->irq, (void *)codec); 2092 } 2093 if (codec->port) 2094 pci_release_regions(codec->pci); 2095 pci_disable_device(codec->pci); 2096 #ifdef CONFIG_PM 2097 kfree(codec->image); 2098 #endif 2099 pci_dev_put(codec->pci_m1533); 2100 pci_dev_put(codec->pci_m7101); 2101 kfree(codec); 2102 return 0; 2103 } 2104 2105 static int snd_ali_chip_init(struct snd_ali *codec) 2106 { 2107 unsigned int legacy; 2108 unsigned char temp; 2109 struct pci_dev *pci_dev = NULL; 2110 2111 snd_ali_printk("chip initializing ... \n"); 2112 2113 if (snd_ali_reset_5451(codec)) { 2114 snd_printk(KERN_ERR "ali_chip_init: reset 5451 error.\n"); 2115 return -1; 2116 } 2117 2118 if (codec->revision == ALI_5451_V02) { 2119 pci_dev = codec->pci_m1533; 2120 pci_read_config_byte(pci_dev, 0x59, &temp); 2121 temp |= 0x80; 2122 pci_write_config_byte(pci_dev, 0x59, temp); 2123 2124 pci_dev = codec->pci_m7101; 2125 pci_read_config_byte(pci_dev, 0xb8, &temp); 2126 temp |= 0x20; 2127 pci_write_config_byte(pci_dev, 0xB8, temp); 2128 } 2129 2130 pci_read_config_dword(codec->pci, 0x44, &legacy); 2131 legacy &= 0xff00ff00; 2132 legacy |= 0x000800aa; 2133 pci_write_config_dword(codec->pci, 0x44, legacy); 2134 2135 outl(0x80000001, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 2136 outl(0x00000000, ALI_REG(codec, ALI_AINTEN)); 2137 outl(0xffffffff, ALI_REG(codec, ALI_AINT)); 2138 outl(0x00000000, ALI_REG(codec, ALI_VOLUME)); 2139 outb(0x10, ALI_REG(codec, ALI_MPUR2)); 2140 2141 codec->ac97_ext_id = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_ID); 2142 codec->ac97_ext_status = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_STATUS); 2143 if (codec->spdif_support) { 2144 snd_ali_enable_spdif_out(codec); 2145 codec->spdif_mask = 0x00000002; 2146 } 2147 2148 codec->num_of_codecs = 1; 2149 2150 /* secondary codec - modem */ 2151 if (inl(ALI_REG(codec, ALI_SCTRL)) & ALI_SCTRL_CODEC2_READY) { 2152 codec->num_of_codecs++; 2153 outl(inl(ALI_REG(codec, ALI_SCTRL)) | 2154 (ALI_SCTRL_LINE_IN2|ALI_SCTRL_GPIO_IN2|ALI_SCTRL_LINE_OUT_EN), 2155 ALI_REG(codec, ALI_SCTRL)); 2156 } 2157 2158 snd_ali_printk("chip initialize succeed.\n"); 2159 return 0; 2160 2161 } 2162 2163 /* proc for register dump */ 2164 static void snd_ali_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buf) 2165 { 2166 struct snd_ali *codec = entry->private_data; 2167 int i; 2168 for(i = 0 ; i < 256 ; i+= 4) 2169 snd_iprintf(buf, "%02x: %08x\n", i, inl(ALI_REG(codec, i))); 2170 } 2171 2172 static void __devinit snd_ali_proc_init(struct snd_ali *codec) 2173 { 2174 struct snd_info_entry *entry; 2175 if(!snd_card_proc_new(codec->card, "ali5451", &entry)) 2176 snd_info_set_text_ops(entry, codec, snd_ali_proc_read); 2177 } 2178 2179 static int __devinit snd_ali_resources(struct snd_ali *codec) 2180 { 2181 int err; 2182 2183 snd_ali_printk("resouces allocation ...\n"); 2184 if ((err = pci_request_regions(codec->pci, "ALI 5451")) < 0) 2185 return err; 2186 codec->port = pci_resource_start(codec->pci, 0); 2187 2188 if (request_irq(codec->pci->irq, snd_ali_card_interrupt, SA_INTERRUPT|SA_SHIRQ, "ALI 5451", (void *)codec)) { 2189 snd_printk(KERN_ERR "Unable to request irq.\n"); 2190 return -EBUSY; 2191 } 2192 codec->irq = codec->pci->irq; 2193 snd_ali_printk("resouces allocated.\n"); 2194 return 0; 2195 } 2196 static int snd_ali_dev_free(struct snd_device *device) 2197 { 2198 struct snd_ali *codec=device->device_data; 2199 snd_ali_free(codec); 2200 return 0; 2201 } 2202 2203 static int __devinit snd_ali_create(struct snd_card *card, 2204 struct pci_dev *pci, 2205 int pcm_streams, 2206 int spdif_support, 2207 struct snd_ali ** r_ali) 2208 { 2209 struct snd_ali *codec; 2210 int i, err; 2211 unsigned short cmdw; 2212 static struct snd_device_ops ops = { 2213 .dev_free = snd_ali_dev_free, 2214 }; 2215 2216 *r_ali = NULL; 2217 2218 snd_ali_printk("creating ...\n"); 2219 2220 /* enable PCI device */ 2221 if ((err = pci_enable_device(pci)) < 0) 2222 return err; 2223 /* check, if we can restrict PCI DMA transfers to 31 bits */ 2224 if (pci_set_dma_mask(pci, DMA_31BIT_MASK) < 0 || 2225 pci_set_consistent_dma_mask(pci, DMA_31BIT_MASK) < 0) { 2226 snd_printk(KERN_ERR "architecture does not support 31bit PCI busmaster DMA\n"); 2227 pci_disable_device(pci); 2228 return -ENXIO; 2229 } 2230 2231 if ((codec = kzalloc(sizeof(*codec), GFP_KERNEL)) == NULL) { 2232 pci_disable_device(pci); 2233 return -ENOMEM; 2234 } 2235 2236 spin_lock_init(&codec->reg_lock); 2237 spin_lock_init(&codec->voice_alloc); 2238 2239 codec->card = card; 2240 codec->pci = pci; 2241 codec->irq = -1; 2242 pci_read_config_byte(pci, PCI_REVISION_ID, &codec->revision); 2243 codec->spdif_support = spdif_support; 2244 2245 if (pcm_streams < 1) 2246 pcm_streams = 1; 2247 if (pcm_streams > 32) 2248 pcm_streams = 32; 2249 2250 pci_set_master(pci); 2251 pci_read_config_word(pci, PCI_COMMAND, &cmdw); 2252 if ((cmdw & PCI_COMMAND_IO) != PCI_COMMAND_IO) { 2253 cmdw |= PCI_COMMAND_IO; 2254 pci_write_config_word(pci, PCI_COMMAND, cmdw); 2255 } 2256 pci_set_master(pci); 2257 2258 if (snd_ali_resources(codec)) { 2259 snd_ali_free(codec); 2260 return -EBUSY; 2261 } 2262 2263 synchronize_irq(pci->irq); 2264 2265 codec->synth.chmap = 0; 2266 codec->synth.chcnt = 0; 2267 codec->spdif_mask = 0; 2268 codec->synth.synthcount = 0; 2269 2270 if (codec->revision == ALI_5451_V02) 2271 codec->chregs.regs.ac97read = ALI_AC97_WRITE; 2272 else 2273 codec->chregs.regs.ac97read = ALI_AC97_READ; 2274 codec->chregs.regs.ac97write = ALI_AC97_WRITE; 2275 2276 codec->chregs.regs.start = ALI_START; 2277 codec->chregs.regs.stop = ALI_STOP; 2278 codec->chregs.regs.aint = ALI_AINT; 2279 codec->chregs.regs.ainten = ALI_AINTEN; 2280 2281 codec->chregs.data.start = 0x00; 2282 codec->chregs.data.stop = 0x00; 2283 codec->chregs.data.aint = 0x00; 2284 codec->chregs.data.ainten = 0x00; 2285 2286 /* M1533: southbridge */ 2287 codec->pci_m1533 = pci_get_device(0x10b9, 0x1533, NULL); 2288 if (! codec->pci_m1533) { 2289 snd_printk(KERN_ERR "ali5451: cannot find ALi 1533 chip.\n"); 2290 snd_ali_free(codec); 2291 return -ENODEV; 2292 } 2293 /* M7101: power management */ 2294 codec->pci_m7101 = pci_get_device(0x10b9, 0x7101, NULL); 2295 if (! codec->pci_m7101 && codec->revision == ALI_5451_V02) { 2296 snd_printk(KERN_ERR "ali5451: cannot find ALi 7101 chip.\n"); 2297 snd_ali_free(codec); 2298 return -ENODEV; 2299 } 2300 2301 snd_ali_printk("snd_device_new is called.\n"); 2302 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops)) < 0) { 2303 snd_ali_free(codec); 2304 return err; 2305 } 2306 2307 /* initialise synth voices*/ 2308 for (i = 0; i < ALI_CHANNELS; i++ ) { 2309 codec->synth.voices[i].number = i; 2310 } 2311 2312 if ((err = snd_ali_chip_init(codec)) < 0) { 2313 snd_printk(KERN_ERR "ali create: chip init error.\n"); 2314 return err; 2315 } 2316 2317 #ifdef CONFIG_PM 2318 codec->image = kmalloc(sizeof(*codec->image), GFP_KERNEL); 2319 if (! codec->image) 2320 snd_printk(KERN_WARNING "can't allocate apm buffer\n"); 2321 #endif 2322 2323 snd_ali_enable_address_interrupt(codec); 2324 codec->hw_initialized = 1; 2325 2326 *r_ali = codec; 2327 snd_ali_printk("created.\n"); 2328 return 0; 2329 } 2330 2331 static int __devinit snd_ali_probe(struct pci_dev *pci, 2332 const struct pci_device_id *pci_id) 2333 { 2334 struct snd_card *card; 2335 struct snd_ali *codec; 2336 int err; 2337 2338 snd_ali_printk("probe ...\n"); 2339 2340 card = snd_card_new(index, id, THIS_MODULE, 0); 2341 if (card == NULL) 2342 return -ENOMEM; 2343 2344 if ((err = snd_ali_create(card, pci, pcm_channels, spdif, &codec)) < 0) { 2345 snd_card_free(card); 2346 return err; 2347 } 2348 card->private_data = codec; 2349 2350 snd_ali_printk("mixer building ...\n"); 2351 if ((err = snd_ali_mixer(codec)) < 0) { 2352 snd_card_free(card); 2353 return err; 2354 } 2355 2356 snd_ali_printk("pcm building ...\n"); 2357 if ((err = snd_ali_build_pcms(codec)) < 0) { 2358 snd_card_free(card); 2359 return err; 2360 } 2361 2362 snd_ali_proc_init(codec); 2363 2364 strcpy(card->driver, "ALI5451"); 2365 strcpy(card->shortname, "ALI 5451"); 2366 2367 sprintf(card->longname, "%s at 0x%lx, irq %li", 2368 card->shortname, codec->port, codec->irq); 2369 2370 snd_ali_printk("register card.\n"); 2371 if ((err = snd_card_register(card)) < 0) { 2372 snd_card_free(card); 2373 return err; 2374 } 2375 pci_set_drvdata(pci, card); 2376 return 0; 2377 } 2378 2379 static void __devexit snd_ali_remove(struct pci_dev *pci) 2380 { 2381 snd_card_free(pci_get_drvdata(pci)); 2382 pci_set_drvdata(pci, NULL); 2383 } 2384 2385 static struct pci_driver driver = { 2386 .name = "ALI 5451", 2387 .id_table = snd_ali_ids, 2388 .probe = snd_ali_probe, 2389 .remove = __devexit_p(snd_ali_remove), 2390 #ifdef CONFIG_PM 2391 .suspend = ali_suspend, 2392 .resume = ali_resume, 2393 #endif 2394 }; 2395 2396 static int __init alsa_card_ali_init(void) 2397 { 2398 return pci_register_driver(&driver); 2399 } 2400 2401 static void __exit alsa_card_ali_exit(void) 2402 { 2403 pci_unregister_driver(&driver); 2404 } 2405 2406 module_init(alsa_card_ali_init) 2407 module_exit(alsa_card_ali_exit) 2408