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 <sound/core.h> 37 #include <sound/pcm.h> 38 #include <sound/info.h> 39 #include <sound/ac97_codec.h> 40 #include <sound/mpu401.h> 41 #include <sound/initval.h> 42 43 MODULE_AUTHOR("Matt Wu <Matt_Wu@acersoftech.com.cn>"); 44 MODULE_DESCRIPTION("ALI M5451"); 45 MODULE_LICENSE("GPL"); 46 MODULE_SUPPORTED_DEVICE("{{ALI,M5451,pci},{ALI,M5451}}"); 47 48 static int index = SNDRV_DEFAULT_IDX1; /* Index */ 49 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ 50 static int pcm_channels = 32; 51 static int spdif = 0; 52 53 module_param(index, int, 0444); 54 MODULE_PARM_DESC(index, "Index value for ALI M5451 PCI Audio."); 55 module_param(id, charp, 0444); 56 MODULE_PARM_DESC(id, "ID string for ALI M5451 PCI Audio."); 57 module_param(pcm_channels, int, 0444); 58 MODULE_PARM_DESC(pcm_channels, "PCM Channels"); 59 module_param(spdif, bool, 0444); 60 MODULE_PARM_DESC(spdif, "Support SPDIF I/O"); 61 62 /* just for backward compatibility */ 63 static int enable; 64 module_param(enable, bool, 0444); 65 66 67 /* 68 * Debug part definitions 69 */ 70 71 //#define ALI_DEBUG 72 73 #ifdef ALI_DEBUG 74 #define snd_ali_printk(format, args...) printk(format, ##args); 75 #else 76 #define snd_ali_printk(format, args...) 77 #endif 78 79 /* 80 * Constants definition 81 */ 82 83 #define DEVICE_ID_ALI5451 ((PCI_VENDOR_ID_AL<<16)|PCI_DEVICE_ID_AL_M5451) 84 85 86 #define ALI_CHANNELS 32 87 88 #define ALI_PCM_IN_CHANNEL 31 89 #define ALI_SPDIF_IN_CHANNEL 19 90 #define ALI_SPDIF_OUT_CHANNEL 15 91 #define ALI_CENTER_CHANNEL 24 92 #define ALI_LEF_CHANNEL 23 93 #define ALI_SURR_LEFT_CHANNEL 26 94 #define ALI_SURR_RIGHT_CHANNEL 25 95 #define ALI_MODEM_IN_CHANNEL 21 96 #define ALI_MODEM_OUT_CHANNEL 20 97 98 #define SNDRV_ALI_VOICE_TYPE_PCM 01 99 #define SNDRV_ALI_VOICE_TYPE_OTH 02 100 101 #define ALI_5451_V02 0x02 102 103 /* 104 * Direct Registers 105 */ 106 107 #define ALI_LEGACY_DMAR0 0x00 // ADR0 108 #define ALI_LEGACY_DMAR4 0x04 // CNT0 109 #define ALI_LEGACY_DMAR11 0x0b // MOD 110 #define ALI_LEGACY_DMAR15 0x0f // MMR 111 #define ALI_MPUR0 0x20 112 #define ALI_MPUR1 0x21 113 #define ALI_MPUR2 0x22 114 #define ALI_MPUR3 0x23 115 116 #define ALI_AC97_WRITE 0x40 117 #define ALI_AC97_READ 0x44 118 119 #define ALI_SCTRL 0x48 120 #define ALI_SPDIF_OUT_ENABLE 0x20 121 #define ALI_SCTRL_LINE_IN2 (1 << 9) 122 #define ALI_SCTRL_GPIO_IN2 (1 << 13) 123 #define ALI_SCTRL_LINE_OUT_EN (1 << 20) 124 #define ALI_SCTRL_GPIO_OUT_EN (1 << 23) 125 #define ALI_SCTRL_CODEC1_READY (1 << 24) 126 #define ALI_SCTRL_CODEC2_READY (1 << 25) 127 #define ALI_AC97_GPIO 0x4c 128 #define ALI_AC97_GPIO_ENABLE 0x8000 129 #define ALI_AC97_GPIO_DATA_SHIFT 16 130 #define ALI_SPDIF_CS 0x70 131 #define ALI_SPDIF_CTRL 0x74 132 #define ALI_SPDIF_IN_FUNC_ENABLE 0x02 133 #define ALI_SPDIF_IN_CH_STATUS 0x40 134 #define ALI_SPDIF_OUT_CH_STATUS 0xbf 135 #define ALI_START 0x80 136 #define ALI_STOP 0x84 137 #define ALI_CSPF 0x90 138 #define ALI_AINT 0x98 139 #define ALI_GC_CIR 0xa0 140 #define ENDLP_IE 0x00001000 141 #define MIDLP_IE 0x00002000 142 #define ALI_AINTEN 0xa4 143 #define ALI_VOLUME 0xa8 144 #define ALI_SBDELTA_DELTA_R 0xac 145 #define ALI_MISCINT 0xb0 146 #define ADDRESS_IRQ 0x00000020 147 #define TARGET_REACHED 0x00008000 148 #define MIXER_OVERFLOW 0x00000800 149 #define MIXER_UNDERFLOW 0x00000400 150 #define GPIO_IRQ 0x01000000 151 #define ALI_SBBL_SBCL 0xc0 152 #define ALI_SBCTRL_SBE2R_SBDD 0xc4 153 #define ALI_STIMER 0xc8 154 #define ALI_GLOBAL_CONTROL 0xd4 155 #define ALI_SPDIF_OUT_SEL_PCM 0x00000400 /* bit 10 */ 156 #define ALI_SPDIF_IN_SUPPORT 0x00000800 /* bit 11 */ 157 #define ALI_SPDIF_OUT_CH_ENABLE 0x00008000 /* bit 15 */ 158 #define ALI_SPDIF_IN_CH_ENABLE 0x00080000 /* bit 19 */ 159 #define ALI_PCM_IN_ENABLE 0x80000000 /* bit 31 */ 160 161 #define ALI_CSO_ALPHA_FMS 0xe0 162 #define ALI_LBA 0xe4 163 #define ALI_ESO_DELTA 0xe8 164 #define ALI_GVSEL_PAN_VOC_CTRL_EC 0xf0 165 #define ALI_EBUF1 0xf4 166 #define ALI_EBUF2 0xf8 167 168 #define ALI_REG(codec, x) ((codec)->port + x) 169 170 #define MAX_CODECS 2 171 172 173 typedef struct snd_stru_ali ali_t; 174 typedef struct snd_ali_stru_voice snd_ali_voice_t; 175 176 typedef struct snd_ali_channel_control { 177 // register data 178 struct REGDATA { 179 unsigned int start; 180 unsigned int stop; 181 unsigned int aint; 182 unsigned int ainten; 183 } data; 184 185 // register addresses 186 struct REGS { 187 unsigned int start; 188 unsigned int stop; 189 unsigned int aint; 190 unsigned int ainten; 191 unsigned int ac97read; 192 unsigned int ac97write; 193 } regs; 194 195 } snd_ali_channel_control_t; 196 197 struct snd_ali_stru_voice { 198 unsigned int number; 199 unsigned int use: 1, 200 pcm: 1, 201 midi: 1, 202 mode: 1, 203 synth: 1; 204 205 /* PCM data */ 206 ali_t *codec; 207 snd_pcm_substream_t *substream; 208 snd_ali_voice_t *extra; 209 210 unsigned int running: 1; 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 typedef struct snd_stru_alidev { 223 224 snd_ali_voice_t 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 } alidev_t; 231 232 233 #ifdef CONFIG_PM 234 #define ALI_GLOBAL_REGS 56 235 #define ALI_CHANNEL_REGS 8 236 typedef struct snd_ali_image { 237 unsigned long regs[ALI_GLOBAL_REGS]; 238 unsigned long channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS]; 239 } ali_image_t; 240 #endif 241 242 243 struct snd_stru_ali { 244 unsigned long irq; 245 unsigned long port; 246 unsigned char revision; 247 248 unsigned int hw_initialized: 1; 249 unsigned int spdif_support: 1; 250 251 struct pci_dev *pci; 252 struct pci_dev *pci_m1533; 253 struct pci_dev *pci_m7101; 254 255 snd_card_t *card; 256 snd_pcm_t *pcm[MAX_CODECS]; 257 alidev_t synth; 258 snd_ali_channel_control_t chregs; 259 260 /* S/PDIF Mask */ 261 unsigned int spdif_mask; 262 263 unsigned int spurious_irq_count; 264 unsigned int spurious_irq_max_delta; 265 266 unsigned int num_of_codecs; 267 268 ac97_bus_t *ac97_bus; 269 ac97_t *ac97[MAX_CODECS]; 270 unsigned short ac97_ext_id; 271 unsigned short ac97_ext_status; 272 273 spinlock_t reg_lock; 274 spinlock_t voice_alloc; 275 276 #ifdef CONFIG_PM 277 ali_image_t *image; 278 #endif 279 }; 280 281 static struct pci_device_id snd_ali_ids[] = { 282 {0x10b9, 0x5451, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, 283 {0, } 284 }; 285 MODULE_DEVICE_TABLE(pci, snd_ali_ids); 286 287 static void snd_ali_clear_voices(ali_t *, unsigned int, unsigned int); 288 static unsigned short snd_ali_codec_peek(ali_t *, int, unsigned short); 289 static void snd_ali_codec_poke(ali_t *, int, unsigned short, unsigned short); 290 291 /* 292 * Debug Part 293 */ 294 295 #ifdef ALI_DEBUG 296 297 static void ali_read_regs(ali_t *codec, int channel) 298 { 299 int i,j; 300 unsigned int dwVal; 301 302 printk("channel %d registers map:\n", channel); 303 outb((unsigned char)(channel & 0x001f), ALI_REG(codec,ALI_GC_CIR)); 304 305 printk(" "); 306 for(j=0;j<8;j++) 307 printk("%2.2x ", j*4); 308 printk("\n"); 309 310 for (i=0; i<=0xf8/4;i++) { 311 if(i%8 == 0) 312 printk("%2.2x ", (i*4/0x10)*0x10); 313 dwVal = inl(ALI_REG(codec,i*4)); 314 printk("%8.8x ", dwVal); 315 if ((i+1)%8 == 0) 316 printk("\n"); 317 } 318 printk("\n"); 319 } 320 static void ali_read_cfg(unsigned int vendor, unsigned deviceid) 321 { 322 unsigned int dwVal; 323 struct pci_dev *pci_dev; 324 int i,j; 325 326 pci_dev = pci_get_device(vendor, deviceid, NULL); 327 if (pci_dev == NULL) 328 return ; 329 330 printk("\nM%x PCI CFG\n", deviceid); 331 printk(" "); 332 for(j=0;j<8;j++) 333 printk("%d ",j); 334 printk("\n"); 335 336 for(i=0;i<8;i++) { 337 printk("%d ",i); 338 for(j=0;j<8;j++) 339 { 340 pci_read_config_dword(pci_dev, i*0x20+j*4, &dwVal); 341 printk("%8.8x ", dwVal); 342 } 343 printk("\n"); 344 } 345 pci_dev_put(pci_dev); 346 } 347 static void ali_read_ac97regs(ali_t *codec, int secondary) 348 { 349 unsigned short i,j; 350 unsigned short wVal; 351 352 printk("\ncodec %d registers map:\n", secondary); 353 354 printk(" "); 355 for(j=0;j<8;j++) 356 printk("%2.2x ",j*2); 357 printk("\n"); 358 359 for (i=0; i<64;i++) { 360 if(i%8 == 0) 361 printk("%2.2x ", (i/8)*0x10); 362 wVal = snd_ali_codec_peek(codec, secondary, i*2); 363 printk("%4.4x ", wVal); 364 if ((i+1)%8 == 0) 365 printk("\n"); 366 } 367 printk("\n"); 368 } 369 370 #endif 371 372 /* 373 * AC97 ACCESS 374 */ 375 376 static inline unsigned int snd_ali_5451_peek(ali_t *codec, 377 unsigned int port ) 378 { 379 return (unsigned int)inl(ALI_REG(codec, port)); 380 } 381 382 static inline void snd_ali_5451_poke( ali_t *codec, 383 unsigned int port, 384 unsigned int val ) 385 { 386 outl((unsigned int)val, ALI_REG(codec, port)); 387 } 388 389 static int snd_ali_codec_ready( ali_t *codec, 390 unsigned int port, 391 int sched ) 392 { 393 unsigned long end_time; 394 unsigned int res; 395 396 end_time = jiffies + 10 * msecs_to_jiffies(250); 397 do { 398 res = snd_ali_5451_peek(codec,port); 399 if (! (res & 0x8000)) 400 return 0; 401 if (sched) 402 schedule_timeout_uninterruptible(1); 403 } while (time_after_eq(end_time, jiffies)); 404 snd_ali_5451_poke(codec, port, res & ~0x8000); 405 snd_printdd("ali_codec_ready: codec is not ready.\n "); 406 return -EIO; 407 } 408 409 static int snd_ali_stimer_ready(ali_t *codec, int sched) 410 { 411 unsigned long end_time; 412 unsigned long dwChk1,dwChk2; 413 414 dwChk1 = snd_ali_5451_peek(codec, ALI_STIMER); 415 dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER); 416 417 end_time = jiffies + 10 * msecs_to_jiffies(250); 418 do { 419 dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER); 420 if (dwChk2 != dwChk1) 421 return 0; 422 if (sched) 423 schedule_timeout_uninterruptible(1); 424 } while (time_after_eq(end_time, jiffies)); 425 snd_printk(KERN_ERR "ali_stimer_read: stimer is not ready.\n"); 426 return -EIO; 427 } 428 429 static void snd_ali_codec_poke(ali_t *codec,int secondary, 430 unsigned short reg, 431 unsigned short val) 432 { 433 unsigned int dwVal = 0; 434 unsigned int port = 0; 435 436 if (reg >= 0x80) { 437 snd_printk(KERN_ERR "ali_codec_poke: reg(%xh) invalid.\n", reg); 438 return; 439 } 440 441 port = codec->chregs.regs.ac97write; 442 443 if (snd_ali_codec_ready(codec, port, 0) < 0) 444 return; 445 if (snd_ali_stimer_ready(codec, 0) < 0) 446 return; 447 448 dwVal = (unsigned int) (reg & 0xff); 449 dwVal |= 0x8000 | (val << 16); 450 if (secondary) dwVal |= 0x0080; 451 if (codec->revision == ALI_5451_V02) dwVal |= 0x0100; 452 453 snd_ali_5451_poke(codec,port,dwVal); 454 455 return ; 456 } 457 458 static unsigned short snd_ali_codec_peek( ali_t *codec, 459 int secondary, 460 unsigned short reg) 461 { 462 unsigned int dwVal = 0; 463 unsigned int port = 0; 464 465 if (reg >= 0x80) { 466 snd_printk(KERN_ERR "ali_codec_peek: reg(%xh) invalid.\n", reg); 467 return ~0; 468 } 469 470 port = codec->chregs.regs.ac97read; 471 472 if (snd_ali_codec_ready(codec, port, 0) < 0) 473 return ~0; 474 if (snd_ali_stimer_ready(codec, 0) < 0) 475 return ~0; 476 477 dwVal = (unsigned int) (reg & 0xff); 478 dwVal |= 0x8000; /* bit 15*/ 479 if (secondary) dwVal |= 0x0080; 480 481 snd_ali_5451_poke(codec, port, dwVal); 482 483 if (snd_ali_stimer_ready(codec, 0) < 0) 484 return ~0; 485 if (snd_ali_codec_ready(codec, port, 0) < 0) 486 return ~0; 487 488 return (snd_ali_5451_peek(codec, port) & 0xffff0000)>>16; 489 } 490 491 static void snd_ali_codec_write(ac97_t *ac97, 492 unsigned short reg, 493 unsigned short val ) 494 { 495 ali_t *codec = ac97->private_data; 496 497 snd_ali_printk("codec_write: reg=%xh data=%xh.\n", reg, val); 498 if(reg == AC97_GPIO_STATUS) { 499 outl((val << ALI_AC97_GPIO_DATA_SHIFT)|ALI_AC97_GPIO_ENABLE, 500 ALI_REG(codec, ALI_AC97_GPIO)); 501 return; 502 } 503 snd_ali_codec_poke(codec, ac97->num, reg, val); 504 return ; 505 } 506 507 508 static unsigned short snd_ali_codec_read(ac97_t *ac97, unsigned short reg) 509 { 510 ali_t *codec = ac97->private_data; 511 512 snd_ali_printk("codec_read reg=%xh.\n", reg); 513 return (snd_ali_codec_peek(codec, ac97->num, reg)); 514 } 515 516 /* 517 * AC97 Reset 518 */ 519 520 static int snd_ali_reset_5451(ali_t *codec) 521 { 522 struct pci_dev *pci_dev = NULL; 523 unsigned short wCount, wReg; 524 unsigned int dwVal; 525 526 if ((pci_dev = codec->pci_m1533) != NULL) { 527 pci_read_config_dword(pci_dev, 0x7c, &dwVal); 528 pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000); 529 udelay(5000); 530 pci_read_config_dword(pci_dev, 0x7c, &dwVal); 531 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff); 532 udelay(5000); 533 } 534 535 pci_dev = codec->pci; 536 pci_read_config_dword(pci_dev, 0x44, &dwVal); 537 pci_write_config_dword(pci_dev, 0x44, dwVal | 0x000c0000); 538 udelay(500); 539 pci_read_config_dword(pci_dev, 0x44, &dwVal); 540 pci_write_config_dword(pci_dev, 0x44, dwVal & 0xfffbffff); 541 udelay(5000); 542 543 wCount = 200; 544 while(wCount--) { 545 wReg = snd_ali_codec_peek(codec, 0, AC97_POWERDOWN); 546 if((wReg & 0x000f) == 0x000f) 547 return 0; 548 udelay(5000); 549 } 550 551 /* non-fatal if you have a non PM capable codec */ 552 /* snd_printk(KERN_WARNING "ali5451: reset time out\n"); */ 553 return 0; 554 } 555 556 #ifdef CODEC_RESET 557 558 static int snd_ali_reset_codec(ali_t *codec) 559 { 560 struct pci_dev *pci_dev = NULL; 561 unsigned char bVal = 0; 562 unsigned int dwVal; 563 unsigned short wCount, wReg; 564 565 pci_dev = codec->pci_m1533; 566 567 pci_read_config_dword(pci_dev, 0x7c, &dwVal); 568 pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000); 569 udelay(5000); 570 pci_read_config_dword(pci_dev, 0x7c, &dwVal); 571 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff); 572 udelay(5000); 573 574 bVal = inb(ALI_REG(codec,ALI_SCTRL)); 575 bVal |= 0x02; 576 outb(ALI_REG(codec,ALI_SCTRL),bVal); 577 udelay(5000); 578 bVal = inb(ALI_REG(codec,ALI_SCTRL)); 579 bVal &= 0xfd; 580 outb(ALI_REG(codec,ALI_SCTRL),bVal); 581 udelay(15000); 582 583 wCount = 200; 584 while(wCount--) { 585 wReg = snd_ali_codec_read(codec->ac97, AC97_POWERDOWN); 586 if((wReg & 0x000f) == 0x000f) 587 return 0; 588 udelay(5000); 589 } 590 return -1; 591 } 592 593 #endif 594 595 /* 596 * ALI 5451 Controller 597 */ 598 599 static void snd_ali_enable_special_channel(ali_t *codec, unsigned int channel) 600 { 601 unsigned long dwVal = 0; 602 603 dwVal = inl(ALI_REG(codec,ALI_GLOBAL_CONTROL)); 604 dwVal |= 1 << (channel & 0x0000001f); 605 outl(dwVal, ALI_REG(codec,ALI_GLOBAL_CONTROL)); 606 } 607 608 static void snd_ali_disable_special_channel(ali_t *codec, unsigned int channel) 609 { 610 unsigned long dwVal = 0; 611 612 dwVal = inl(ALI_REG(codec,ALI_GLOBAL_CONTROL)); 613 dwVal &= ~(1 << (channel & 0x0000001f)); 614 outl(dwVal, ALI_REG(codec,ALI_GLOBAL_CONTROL)); 615 } 616 617 static void snd_ali_enable_address_interrupt(ali_t * codec) 618 { 619 unsigned int gc; 620 621 gc = inl(ALI_REG(codec, ALI_GC_CIR)); 622 gc |= ENDLP_IE; 623 gc |= MIDLP_IE; 624 outl( gc, ALI_REG(codec, ALI_GC_CIR)); 625 } 626 627 static void snd_ali_disable_address_interrupt(ali_t * codec) 628 { 629 unsigned int gc; 630 631 gc = inl(ALI_REG(codec, ALI_GC_CIR)); 632 gc &= ~ENDLP_IE; 633 gc &= ~MIDLP_IE; 634 outl(gc, ALI_REG(codec, ALI_GC_CIR)); 635 } 636 637 #if 0 // not used 638 static void snd_ali_enable_voice_irq(ali_t *codec, unsigned int channel) 639 { 640 unsigned int mask; 641 snd_ali_channel_control_t *pchregs = &(codec->chregs); 642 643 snd_ali_printk("enable_voice_irq channel=%d\n",channel); 644 645 mask = 1 << (channel & 0x1f); 646 pchregs->data.ainten = inl(ALI_REG(codec,pchregs->regs.ainten)); 647 pchregs->data.ainten |= mask; 648 outl(pchregs->data.ainten,ALI_REG(codec,pchregs->regs.ainten)); 649 } 650 #endif 651 652 static void snd_ali_disable_voice_irq(ali_t *codec, unsigned int channel) 653 { 654 unsigned int mask; 655 snd_ali_channel_control_t *pchregs = &(codec->chregs); 656 657 snd_ali_printk("disable_voice_irq channel=%d\n",channel); 658 659 mask = 1 << (channel & 0x1f); 660 pchregs->data.ainten = inl(ALI_REG(codec,pchregs->regs.ainten)); 661 pchregs->data.ainten &= ~mask; 662 outl(pchregs->data.ainten,ALI_REG(codec,pchregs->regs.ainten)); 663 } 664 665 static int snd_ali_alloc_pcm_channel(ali_t *codec, int channel) 666 { 667 unsigned int idx = channel & 0x1f; 668 669 if (codec->synth.chcnt >= ALI_CHANNELS){ 670 snd_printk(KERN_ERR "ali_alloc_pcm_channel: no free channels.\n"); 671 return -1; 672 } 673 674 if (!(codec->synth.chmap & (1 << idx))) { 675 codec->synth.chmap |= 1 << idx; 676 codec->synth.chcnt++; 677 snd_ali_printk("alloc_pcm_channel no. %d.\n",idx); 678 return idx; 679 } 680 return -1; 681 } 682 683 static int snd_ali_find_free_channel(ali_t * codec, int rec) 684 { 685 int idx; 686 int result = -1; 687 688 snd_ali_printk("find_free_channel: for %s\n",rec ? "rec" : "pcm"); 689 690 // recording 691 if (rec) { 692 if (codec->spdif_support && 693 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_IN_SUPPORT)) 694 idx = ALI_SPDIF_IN_CHANNEL; 695 else 696 idx = ALI_PCM_IN_CHANNEL; 697 698 if ((result = snd_ali_alloc_pcm_channel(codec,idx)) >= 0) { 699 return result; 700 } else { 701 snd_printk(KERN_ERR "ali_find_free_channel: record channel is busy now.\n"); 702 return -1; 703 } 704 } 705 706 //playback... 707 if (codec->spdif_support && 708 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_OUT_CH_ENABLE)) { 709 idx = ALI_SPDIF_OUT_CHANNEL; 710 if ((result = snd_ali_alloc_pcm_channel(codec,idx)) >= 0) { 711 return result; 712 } else { 713 snd_printk(KERN_ERR "ali_find_free_channel: S/PDIF out channel is in busy now.\n"); 714 } 715 } 716 717 for (idx = 0; idx < ALI_CHANNELS; idx++) { 718 if ((result = snd_ali_alloc_pcm_channel(codec,idx)) >= 0) 719 return result; 720 } 721 snd_printk(KERN_ERR "ali_find_free_channel: no free channels.\n"); 722 return -1; 723 } 724 725 static void snd_ali_free_channel_pcm(ali_t *codec, int channel) 726 { 727 unsigned int idx = channel & 0x0000001f; 728 729 snd_ali_printk("free_channel_pcm channel=%d\n",channel); 730 731 if (channel < 0 || channel >= ALI_CHANNELS) 732 return; 733 734 if (!(codec->synth.chmap & (1 << idx))) { 735 snd_printk(KERN_ERR "ali_free_channel_pcm: channel %d is not in use.\n",channel); 736 return; 737 } else { 738 codec->synth.chmap &= ~(1 << idx); 739 codec->synth.chcnt--; 740 } 741 } 742 743 #if 0 // not used 744 static void snd_ali_start_voice(ali_t * codec, unsigned int channel) 745 { 746 unsigned int mask = 1 << (channel & 0x1f); 747 748 snd_ali_printk("start_voice: channel=%d\n",channel); 749 outl(mask, ALI_REG(codec,codec->chregs.regs.start)); 750 } 751 #endif 752 753 static void snd_ali_stop_voice(ali_t * codec, unsigned int channel) 754 { 755 unsigned int mask = 1 << (channel & 0x1f); 756 757 snd_ali_printk("stop_voice: channel=%d\n",channel); 758 outl(mask, ALI_REG(codec, codec->chregs.regs.stop)); 759 } 760 761 /* 762 * S/PDIF Part 763 */ 764 765 static void snd_ali_delay(ali_t *codec,int interval) 766 { 767 unsigned long begintimer,currenttimer; 768 769 begintimer = inl(ALI_REG(codec, ALI_STIMER)); 770 currenttimer = inl(ALI_REG(codec, ALI_STIMER)); 771 772 while (currenttimer < begintimer + interval) { 773 if(snd_ali_stimer_ready(codec, 1) < 0) 774 break; 775 currenttimer = inl(ALI_REG(codec, ALI_STIMER)); 776 } 777 } 778 779 static void snd_ali_detect_spdif_rate(ali_t *codec) 780 { 781 u16 wval = 0; 782 u16 count = 0; 783 u8 bval = 0, R1 = 0, R2 = 0; 784 785 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1)); 786 bval |= 0x1F; 787 outb(bval,ALI_REG(codec,ALI_SPDIF_CTRL + 1)); 788 789 while (((R1 < 0x0B )||(R1 > 0x0E)) && (R1 != 0x12) && count <= 50000) { 790 count ++; 791 snd_ali_delay(codec, 6); 792 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1)); 793 R1 = bval & 0x1F; 794 } 795 796 if (count > 50000) { 797 snd_printk(KERN_ERR "ali_detect_spdif_rate: timeout!\n"); 798 return; 799 } 800 801 count = 0; 802 while (count++ <= 50000) { 803 snd_ali_delay(codec, 6); 804 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1)); 805 R2 = bval & 0x1F; 806 if (R2 != R1) R1 = R2; else break; 807 } 808 809 if (count > 50000) { 810 snd_printk(KERN_ERR "ali_detect_spdif_rate: timeout!\n"); 811 return; 812 } 813 814 if (R2 >= 0x0b && R2 <= 0x0e) { 815 wval = inw(ALI_REG(codec,ALI_SPDIF_CTRL + 2)); 816 wval &= 0xE0F0; 817 wval |= (u16)0x09 << 8 | (u16)0x05; 818 outw(wval,ALI_REG(codec,ALI_SPDIF_CTRL + 2)); 819 820 bval = inb(ALI_REG(codec,ALI_SPDIF_CS +3)) & 0xF0; 821 outb(bval|0x02,ALI_REG(codec,ALI_SPDIF_CS + 3)); 822 } else if (R2 == 0x12) { 823 wval = inw(ALI_REG(codec,ALI_SPDIF_CTRL + 2)); 824 wval &= 0xE0F0; 825 wval |= (u16)0x0E << 8 | (u16)0x08; 826 outw(wval,ALI_REG(codec,ALI_SPDIF_CTRL + 2)); 827 828 bval = inb(ALI_REG(codec,ALI_SPDIF_CS +3)) & 0xF0; 829 outb(bval|0x03,ALI_REG(codec,ALI_SPDIF_CS + 3)); 830 } 831 } 832 833 static unsigned int snd_ali_get_spdif_in_rate(ali_t *codec) 834 { 835 u32 dwRate = 0; 836 u8 bval = 0; 837 838 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL)); 839 bval &= 0x7F; 840 bval |= 0x40; 841 outb(bval, ALI_REG(codec,ALI_SPDIF_CTRL)); 842 843 snd_ali_detect_spdif_rate(codec); 844 845 bval = inb(ALI_REG(codec,ALI_SPDIF_CS + 3)); 846 bval &= 0x0F; 847 848 if (bval == 0) dwRate = 44100; 849 if (bval == 1) dwRate = 48000; 850 if (bval == 2) dwRate = 32000; 851 852 return dwRate; 853 } 854 855 static void snd_ali_enable_spdif_in(ali_t *codec) 856 { 857 unsigned int dwVal; 858 859 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 860 dwVal |= ALI_SPDIF_IN_SUPPORT; 861 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 862 863 dwVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); 864 dwVal |= 0x02; 865 outb(dwVal, ALI_REG(codec, ALI_SPDIF_CTRL)); 866 867 snd_ali_enable_special_channel(codec, ALI_SPDIF_IN_CHANNEL); 868 } 869 870 static void snd_ali_disable_spdif_in(ali_t *codec) 871 { 872 unsigned int dwVal; 873 874 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 875 dwVal &= ~ALI_SPDIF_IN_SUPPORT; 876 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 877 878 snd_ali_disable_special_channel(codec, ALI_SPDIF_IN_CHANNEL); 879 } 880 881 882 static void snd_ali_set_spdif_out_rate(ali_t *codec, unsigned int rate) 883 { 884 unsigned char bVal; 885 unsigned int dwRate = 0; 886 887 if (rate == 32000) dwRate = 0x300; 888 if (rate == 44100) dwRate = 0; 889 if (rate == 48000) dwRate = 0x200; 890 891 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); 892 bVal &= (unsigned char)(~(1<<6)); 893 894 bVal |= 0x80; //select right 895 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL)); 896 outb(dwRate | 0x20, ALI_REG(codec, ALI_SPDIF_CS + 2)); 897 898 bVal &= (~0x80); //select left 899 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL)); 900 outw(rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2)); 901 } 902 903 static void snd_ali_enable_spdif_out(ali_t *codec) 904 { 905 unsigned short wVal; 906 unsigned char bVal; 907 908 struct pci_dev *pci_dev = NULL; 909 910 pci_dev = codec->pci_m1533; 911 if (pci_dev == NULL) 912 return; 913 pci_read_config_byte(pci_dev, 0x61, &bVal); 914 bVal |= 0x40; 915 pci_write_config_byte(pci_dev, 0x61, bVal); 916 pci_read_config_byte(pci_dev, 0x7d, &bVal); 917 bVal |= 0x01; 918 pci_write_config_byte(pci_dev, 0x7d, bVal); 919 920 pci_read_config_byte(pci_dev, 0x7e, &bVal); 921 bVal &= (~0x20); 922 bVal |= 0x10; 923 pci_write_config_byte(pci_dev, 0x7e, bVal); 924 925 bVal = inb(ALI_REG(codec, ALI_SCTRL)); 926 outb(bVal | ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL)); 927 928 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL)); 929 outb(bVal & ALI_SPDIF_OUT_CH_STATUS, ALI_REG(codec, ALI_SPDIF_CTRL)); 930 931 { 932 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 933 wVal |= ALI_SPDIF_OUT_SEL_PCM; 934 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 935 snd_ali_disable_special_channel(codec,ALI_SPDIF_OUT_CHANNEL); 936 } 937 } 938 939 static void snd_ali_enable_spdif_chnout(ali_t *codec) 940 { 941 unsigned short wVal = 0; 942 943 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 944 wVal &= ~ALI_SPDIF_OUT_SEL_PCM; 945 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 946 /* 947 wVal = inw(ALI_REG(codec, ALI_SPDIF_CS)); 948 if (flag & ALI_SPDIF_OUT_NON_PCM) 949 wVal |= 0x0002; 950 else 951 wVal &= (~0x0002); 952 outw(wVal, ALI_REG(codec, ALI_SPDIF_CS)); 953 */ 954 snd_ali_enable_special_channel(codec,ALI_SPDIF_OUT_CHANNEL); 955 } 956 957 static void snd_ali_disable_spdif_chnout(ali_t *codec) 958 { 959 unsigned short wVal = 0; 960 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL)); 961 wVal |= ALI_SPDIF_OUT_SEL_PCM; 962 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 963 964 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL); 965 } 966 967 static void snd_ali_disable_spdif_out(ali_t *codec) 968 { 969 unsigned char bVal; 970 971 bVal = inb(ALI_REG(codec, ALI_SCTRL)); 972 outb(bVal & ~ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL)); 973 974 snd_ali_disable_spdif_chnout(codec); 975 } 976 977 static void snd_ali_update_ptr(ali_t *codec,int channel) 978 { 979 snd_ali_voice_t *pvoice = NULL; 980 snd_pcm_runtime_t *runtime; 981 snd_ali_channel_control_t *pchregs = NULL; 982 unsigned int old, mask; 983 #ifdef ALI_DEBUG 984 unsigned int temp, cspf; 985 #endif 986 987 pchregs = &(codec->chregs); 988 989 // check if interrupt occurred for channel 990 old = pchregs->data.aint; 991 mask = ((unsigned int) 1L) << (channel & 0x1f); 992 993 if (!(old & mask)) 994 return; 995 996 pvoice = &codec->synth.voices[channel]; 997 runtime = pvoice->substream->runtime; 998 999 udelay(100); 1000 spin_lock(&codec->reg_lock); 1001 1002 if (pvoice->pcm && pvoice->substream) { 1003 /* pcm interrupt */ 1004 #ifdef ALI_DEBUG 1005 outb((u8)(pvoice->number), ALI_REG(codec, ALI_GC_CIR)); 1006 temp = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)); 1007 cspf = (inl(ALI_REG(codec, ALI_CSPF)) & mask) == mask; 1008 #endif 1009 if (pvoice->running) { 1010 snd_ali_printk("update_ptr: cso=%4.4x cspf=%d.\n",(u16)temp,cspf); 1011 spin_unlock(&codec->reg_lock); 1012 snd_pcm_period_elapsed(pvoice->substream); 1013 spin_lock(&codec->reg_lock); 1014 } else { 1015 snd_ali_stop_voice(codec, channel); 1016 snd_ali_disable_voice_irq(codec, channel); 1017 } 1018 } else if (codec->synth.voices[channel].synth) { 1019 /* synth interrupt */ 1020 } else if (codec->synth.voices[channel].midi) { 1021 /* midi interrupt */ 1022 } else { 1023 /* unknown interrupt */ 1024 snd_ali_stop_voice(codec, channel); 1025 snd_ali_disable_voice_irq(codec, channel); 1026 } 1027 spin_unlock(&codec->reg_lock); 1028 outl(mask,ALI_REG(codec,pchregs->regs.aint)); 1029 pchregs->data.aint = old & (~mask); 1030 } 1031 1032 static void snd_ali_interrupt(ali_t * codec) 1033 { 1034 int channel; 1035 unsigned int audio_int; 1036 snd_ali_channel_control_t *pchregs = NULL; 1037 pchregs = &(codec->chregs); 1038 1039 audio_int = inl(ALI_REG(codec, ALI_MISCINT)); 1040 if (audio_int & ADDRESS_IRQ) { 1041 // get interrupt status for all channels 1042 pchregs->data.aint = inl(ALI_REG(codec,pchregs->regs.aint)); 1043 for (channel = 0; channel < ALI_CHANNELS; channel++) { 1044 snd_ali_update_ptr(codec, channel); 1045 } 1046 } 1047 outl((TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW), 1048 ALI_REG(codec,ALI_MISCINT)); 1049 } 1050 1051 1052 static irqreturn_t snd_ali_card_interrupt(int irq, 1053 void *dev_id, 1054 struct pt_regs *regs) 1055 { 1056 ali_t *codec = dev_id; 1057 1058 if (codec == NULL) 1059 return IRQ_NONE; 1060 snd_ali_interrupt(codec); 1061 return IRQ_HANDLED; 1062 } 1063 1064 1065 static snd_ali_voice_t *snd_ali_alloc_voice(ali_t * codec, int type, int rec, int channel) 1066 { 1067 snd_ali_voice_t *pvoice = NULL; 1068 unsigned long flags; 1069 int idx; 1070 1071 snd_ali_printk("alloc_voice: type=%d rec=%d\n",type,rec); 1072 1073 spin_lock_irqsave(&codec->voice_alloc, flags); 1074 if (type == SNDRV_ALI_VOICE_TYPE_PCM) { 1075 idx = channel > 0 ? snd_ali_alloc_pcm_channel(codec, channel) : 1076 snd_ali_find_free_channel(codec,rec); 1077 if(idx < 0) { 1078 snd_printk(KERN_ERR "ali_alloc_voice: err.\n"); 1079 spin_unlock_irqrestore(&codec->voice_alloc, flags); 1080 return NULL; 1081 } 1082 pvoice = &(codec->synth.voices[idx]); 1083 pvoice->use = 1; 1084 pvoice->pcm = 1; 1085 pvoice->mode = rec; 1086 spin_unlock_irqrestore(&codec->voice_alloc, flags); 1087 return pvoice; 1088 } 1089 spin_unlock_irqrestore(&codec->voice_alloc, flags); 1090 return NULL; 1091 } 1092 1093 1094 static void snd_ali_free_voice(ali_t * codec, snd_ali_voice_t *pvoice) 1095 { 1096 unsigned long flags; 1097 void (*private_free)(void *); 1098 void *private_data; 1099 1100 snd_ali_printk("free_voice: channel=%d\n",pvoice->number); 1101 if (pvoice == NULL || !pvoice->use) 1102 return; 1103 snd_ali_clear_voices(codec, pvoice->number, pvoice->number); 1104 spin_lock_irqsave(&codec->voice_alloc, flags); 1105 private_free = pvoice->private_free; 1106 private_data = pvoice->private_data; 1107 pvoice->private_free = NULL; 1108 pvoice->private_data = NULL; 1109 if (pvoice->pcm) { 1110 snd_ali_free_channel_pcm(codec, pvoice->number); 1111 } 1112 pvoice->use = pvoice->pcm = pvoice->synth = 0; 1113 pvoice->substream = NULL; 1114 spin_unlock_irqrestore(&codec->voice_alloc, flags); 1115 if (private_free) 1116 private_free(private_data); 1117 } 1118 1119 1120 static void snd_ali_clear_voices(ali_t * codec, 1121 unsigned int v_min, 1122 unsigned int v_max) 1123 { 1124 unsigned int i; 1125 1126 for (i = v_min; i <= v_max; i++) { 1127 snd_ali_stop_voice(codec, i); 1128 snd_ali_disable_voice_irq(codec, i); 1129 } 1130 } 1131 1132 static void snd_ali_write_voice_regs(ali_t * codec, 1133 unsigned int Channel, 1134 unsigned int LBA, 1135 unsigned int CSO, 1136 unsigned int ESO, 1137 unsigned int DELTA, 1138 unsigned int ALPHA_FMS, 1139 unsigned int GVSEL, 1140 unsigned int PAN, 1141 unsigned int VOL, 1142 unsigned int CTRL, 1143 unsigned int EC) 1144 { 1145 unsigned int ctlcmds[4]; 1146 1147 outb((unsigned char)(Channel & 0x001f),ALI_REG(codec,ALI_GC_CIR)); 1148 1149 ctlcmds[0] = (CSO << 16) | (ALPHA_FMS & 0x0000ffff); 1150 ctlcmds[1] = LBA; 1151 ctlcmds[2] = (ESO << 16) | (DELTA & 0x0ffff); 1152 ctlcmds[3] = (GVSEL << 31) | 1153 ((PAN & 0x0000007f) << 24) | 1154 ((VOL & 0x000000ff) << 16) | 1155 ((CTRL & 0x0000000f) << 12) | 1156 (EC & 0x00000fff); 1157 1158 outb(Channel, ALI_REG(codec, ALI_GC_CIR)); 1159 1160 outl(ctlcmds[0], ALI_REG(codec,ALI_CSO_ALPHA_FMS)); 1161 outl(ctlcmds[1], ALI_REG(codec,ALI_LBA)); 1162 outl(ctlcmds[2], ALI_REG(codec,ALI_ESO_DELTA)); 1163 outl(ctlcmds[3], ALI_REG(codec,ALI_GVSEL_PAN_VOC_CTRL_EC)); 1164 1165 outl(0x30000000, ALI_REG(codec, ALI_EBUF1)); /* Still Mode */ 1166 outl(0x30000000, ALI_REG(codec, ALI_EBUF2)); /* Still Mode */ 1167 } 1168 1169 static unsigned int snd_ali_convert_rate(unsigned int rate, int rec) 1170 { 1171 unsigned int delta; 1172 1173 if (rate < 4000) rate = 4000; 1174 if (rate > 48000) rate = 48000; 1175 1176 if (rec) { 1177 if (rate == 44100) 1178 delta = 0x116a; 1179 else if (rate == 8000) 1180 delta = 0x6000; 1181 else if (rate == 48000) 1182 delta = 0x1000; 1183 else 1184 delta = ((48000 << 12) / rate) & 0x0000ffff; 1185 } else { 1186 if (rate == 44100) 1187 delta = 0xeb3; 1188 else if (rate == 8000) 1189 delta = 0x2ab; 1190 else if (rate == 48000) 1191 delta = 0x1000; 1192 else 1193 delta = (((rate << 12) + rate) / 48000) & 0x0000ffff; 1194 } 1195 1196 return delta; 1197 } 1198 1199 static unsigned int snd_ali_control_mode(snd_pcm_substream_t *substream) 1200 { 1201 unsigned int CTRL; 1202 snd_pcm_runtime_t *runtime = substream->runtime; 1203 1204 /* set ctrl mode 1205 CTRL default: 8-bit (unsigned) mono, loop mode enabled 1206 */ 1207 CTRL = 0x00000001; 1208 if (snd_pcm_format_width(runtime->format) == 16) 1209 CTRL |= 0x00000008; // 16-bit data 1210 if (!snd_pcm_format_unsigned(runtime->format)) 1211 CTRL |= 0x00000002; // signed data 1212 if (runtime->channels > 1) 1213 CTRL |= 0x00000004; // stereo data 1214 return CTRL; 1215 } 1216 1217 /* 1218 * PCM part 1219 */ 1220 1221 static int snd_ali_ioctl(snd_pcm_substream_t * substream, 1222 unsigned int cmd, void *arg) 1223 { 1224 return snd_pcm_lib_ioctl(substream, cmd, arg); 1225 } 1226 1227 static int snd_ali_trigger(snd_pcm_substream_t *substream, 1228 int cmd) 1229 1230 { 1231 ali_t *codec = snd_pcm_substream_chip(substream); 1232 struct list_head *pos; 1233 snd_pcm_substream_t *s; 1234 unsigned int what, whati, capture_flag; 1235 snd_ali_voice_t *pvoice = NULL, *evoice = NULL; 1236 unsigned int val; 1237 int do_start; 1238 1239 switch (cmd) { 1240 case SNDRV_PCM_TRIGGER_START: 1241 case SNDRV_PCM_TRIGGER_RESUME: 1242 do_start = 1; break; 1243 case SNDRV_PCM_TRIGGER_STOP: 1244 case SNDRV_PCM_TRIGGER_SUSPEND: 1245 do_start = 0; break; 1246 default: 1247 return -EINVAL; 1248 } 1249 1250 what = whati = capture_flag = 0; 1251 snd_pcm_group_for_each(pos, substream) { 1252 s = snd_pcm_group_substream_entry(pos); 1253 if ((ali_t *) snd_pcm_substream_chip(s) == codec) { 1254 pvoice = (snd_ali_voice_t *) s->runtime->private_data; 1255 evoice = pvoice->extra; 1256 what |= 1 << (pvoice->number & 0x1f); 1257 if (evoice == NULL) { 1258 whati |= 1 << (pvoice->number & 0x1f); 1259 } else { 1260 whati |= 1 << (evoice->number & 0x1f); 1261 what |= 1 << (evoice->number & 0x1f); 1262 } 1263 if (do_start) { 1264 pvoice->running = 1; 1265 if (evoice != NULL) 1266 evoice->running = 1; 1267 } else { 1268 pvoice->running = 0; 1269 if (evoice != NULL) 1270 evoice->running = 0; 1271 } 1272 snd_pcm_trigger_done(s, substream); 1273 if (pvoice->mode) 1274 capture_flag = 1; 1275 } 1276 } 1277 spin_lock(&codec->reg_lock); 1278 if (! do_start) { 1279 outl(what, ALI_REG(codec, ALI_STOP)); 1280 } 1281 val = inl(ALI_REG(codec, ALI_AINTEN)); 1282 if (do_start) { 1283 val |= whati; 1284 } else { 1285 val &= ~whati; 1286 } 1287 outl(val, ALI_REG(codec, ALI_AINTEN)); 1288 if (do_start) { 1289 outl(what, ALI_REG(codec, ALI_START)); 1290 } 1291 snd_ali_printk("trigger: what=%xh whati=%xh\n",what,whati); 1292 spin_unlock(&codec->reg_lock); 1293 1294 return 0; 1295 } 1296 1297 static int snd_ali_playback_hw_params(snd_pcm_substream_t * substream, 1298 snd_pcm_hw_params_t * hw_params) 1299 { 1300 ali_t *codec = snd_pcm_substream_chip(substream); 1301 snd_pcm_runtime_t *runtime = substream->runtime; 1302 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data; 1303 snd_ali_voice_t *evoice = pvoice->extra; 1304 int err; 1305 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 1306 if (err < 0) return err; 1307 1308 /* voice management */ 1309 1310 if (params_buffer_size(hw_params)/2 != params_period_size(hw_params)) { 1311 if (evoice == NULL) { 1312 evoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, 0, -1); 1313 if (evoice == NULL) 1314 return -ENOMEM; 1315 pvoice->extra = evoice; 1316 evoice->substream = substream; 1317 } 1318 } else { 1319 if (evoice != NULL) { 1320 snd_ali_free_voice(codec, evoice); 1321 pvoice->extra = evoice = NULL; 1322 } 1323 } 1324 1325 return 0; 1326 } 1327 1328 static int snd_ali_playback_hw_free(snd_pcm_substream_t * substream) 1329 { 1330 ali_t *codec = snd_pcm_substream_chip(substream); 1331 snd_pcm_runtime_t *runtime = substream->runtime; 1332 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data; 1333 snd_ali_voice_t *evoice = pvoice ? pvoice->extra : NULL; 1334 1335 snd_pcm_lib_free_pages(substream); 1336 if (evoice != NULL) { 1337 snd_ali_free_voice(codec, evoice); 1338 pvoice->extra = NULL; 1339 } 1340 return 0; 1341 } 1342 1343 static int snd_ali_hw_params(snd_pcm_substream_t * substream, 1344 snd_pcm_hw_params_t * hw_params) 1345 { 1346 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 1347 } 1348 1349 static int snd_ali_hw_free(snd_pcm_substream_t * substream) 1350 { 1351 return snd_pcm_lib_free_pages(substream); 1352 } 1353 1354 static int snd_ali_playback_prepare(snd_pcm_substream_t * substream) 1355 { 1356 ali_t *codec = snd_pcm_substream_chip(substream); 1357 snd_pcm_runtime_t *runtime = substream->runtime; 1358 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data; 1359 snd_ali_voice_t *evoice = pvoice->extra; 1360 unsigned long flags; 1361 1362 unsigned int LBA; 1363 unsigned int Delta; 1364 unsigned int ESO; 1365 unsigned int CTRL; 1366 unsigned int GVSEL; 1367 unsigned int PAN; 1368 unsigned int VOL; 1369 unsigned int EC; 1370 1371 snd_ali_printk("playback_prepare ...\n"); 1372 1373 spin_lock_irqsave(&codec->reg_lock, flags); 1374 1375 /* set Delta (rate) value */ 1376 Delta = snd_ali_convert_rate(runtime->rate, 0); 1377 1378 if ((pvoice->number == ALI_SPDIF_IN_CHANNEL) || 1379 (pvoice->number == ALI_PCM_IN_CHANNEL)) 1380 snd_ali_disable_special_channel(codec, pvoice->number); 1381 else if (codec->spdif_support && 1382 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_OUT_CH_ENABLE) 1383 && (pvoice->number == ALI_SPDIF_OUT_CHANNEL)) { 1384 snd_ali_set_spdif_out_rate(codec, runtime->rate); 1385 Delta = 0x1000; 1386 } 1387 1388 /* set Loop Back Address */ 1389 LBA = runtime->dma_addr; 1390 1391 /* set interrupt count size */ 1392 pvoice->count = runtime->period_size; 1393 1394 /* set target ESO for channel */ 1395 pvoice->eso = runtime->buffer_size; 1396 1397 snd_ali_printk("playback_prepare: eso=%xh count=%xh\n",pvoice->eso,pvoice->count); 1398 1399 /* set ESO to capture first MIDLP interrupt */ 1400 ESO = pvoice->eso -1; 1401 /* set ctrl mode */ 1402 CTRL = snd_ali_control_mode(substream); 1403 1404 GVSEL = 1; 1405 PAN = 0; 1406 VOL = 0; 1407 EC = 0; 1408 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); 1409 snd_ali_write_voice_regs( codec, 1410 pvoice->number, 1411 LBA, 1412 0, /* cso */ 1413 ESO, 1414 Delta, 1415 0, /* alpha */ 1416 GVSEL, 1417 PAN, 1418 VOL, 1419 CTRL, 1420 EC); 1421 if (evoice != NULL) { 1422 evoice->count = pvoice->count; 1423 evoice->eso = pvoice->count << 1; 1424 ESO = evoice->eso - 1; 1425 snd_ali_write_voice_regs(codec, 1426 evoice->number, 1427 LBA, 1428 0, /* cso */ 1429 ESO, 1430 Delta, 1431 0, /* alpha */ 1432 GVSEL, 1433 (unsigned int)0x7f, 1434 (unsigned int)0x3ff, 1435 CTRL, 1436 EC); 1437 } 1438 spin_unlock_irqrestore(&codec->reg_lock, flags); 1439 return 0; 1440 } 1441 1442 1443 static int snd_ali_prepare(snd_pcm_substream_t * substream) 1444 { 1445 ali_t *codec = snd_pcm_substream_chip(substream); 1446 snd_pcm_runtime_t *runtime = substream->runtime; 1447 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data; 1448 unsigned long flags; 1449 unsigned int LBA; 1450 unsigned int Delta; 1451 unsigned int ESO; 1452 unsigned int CTRL; 1453 unsigned int GVSEL; 1454 unsigned int PAN; 1455 unsigned int VOL; 1456 unsigned int EC; 1457 u8 bValue; 1458 1459 spin_lock_irqsave(&codec->reg_lock, flags); 1460 1461 snd_ali_printk("ali_prepare...\n"); 1462 1463 snd_ali_enable_special_channel(codec,pvoice->number); 1464 1465 Delta = (pvoice->number == ALI_MODEM_IN_CHANNEL || 1466 pvoice->number == ALI_MODEM_OUT_CHANNEL) ? 1467 0x1000 : snd_ali_convert_rate(runtime->rate, pvoice->mode); 1468 1469 // Prepare capture intr channel 1470 if (pvoice->number == ALI_SPDIF_IN_CHANNEL) { 1471 1472 unsigned int rate; 1473 1474 if (codec->revision != ALI_5451_V02) { 1475 spin_unlock_irqrestore(&codec->reg_lock, flags); 1476 return -1; 1477 } 1478 rate = snd_ali_get_spdif_in_rate(codec); 1479 if (rate == 0) { 1480 snd_printk(KERN_WARNING "ali_capture_preapre: spdif rate detect err!\n"); 1481 rate = 48000; 1482 } 1483 bValue = inb(ALI_REG(codec,ALI_SPDIF_CTRL)); 1484 if (bValue & 0x10) { 1485 outb(bValue,ALI_REG(codec,ALI_SPDIF_CTRL)); 1486 printk(KERN_WARNING "clear SPDIF parity error flag.\n"); 1487 } 1488 1489 if (rate != 48000) 1490 Delta = ((rate << 12)/runtime->rate)&0x00ffff; 1491 } 1492 1493 // set target ESO for channel 1494 pvoice->eso = runtime->buffer_size; 1495 1496 // set interrupt count size 1497 pvoice->count = runtime->period_size; 1498 1499 // set Loop Back Address 1500 LBA = runtime->dma_addr; 1501 1502 // set ESO to capture first MIDLP interrupt 1503 ESO = pvoice->eso - 1; 1504 CTRL = snd_ali_control_mode(substream); 1505 GVSEL = 0; 1506 PAN = 0x00; 1507 VOL = 0x00; 1508 EC = 0; 1509 1510 snd_ali_write_voice_regs( codec, 1511 pvoice->number, 1512 LBA, 1513 0, /* cso */ 1514 ESO, 1515 Delta, 1516 0, /* alpha */ 1517 GVSEL, 1518 PAN, 1519 VOL, 1520 CTRL, 1521 EC); 1522 1523 1524 spin_unlock_irqrestore(&codec->reg_lock, flags); 1525 1526 return 0; 1527 } 1528 1529 1530 static snd_pcm_uframes_t snd_ali_playback_pointer(snd_pcm_substream_t *substream) 1531 { 1532 ali_t *codec = snd_pcm_substream_chip(substream); 1533 snd_pcm_runtime_t *runtime = substream->runtime; 1534 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data; 1535 unsigned int cso; 1536 1537 spin_lock(&codec->reg_lock); 1538 if (!pvoice->running) { 1539 spin_unlock(&codec->reg_lock); 1540 return 0; 1541 } 1542 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR)); 1543 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)); 1544 spin_unlock(&codec->reg_lock); 1545 snd_ali_printk("playback pointer returned cso=%xh.\n", cso); 1546 1547 return cso; 1548 } 1549 1550 1551 static snd_pcm_uframes_t snd_ali_pointer(snd_pcm_substream_t *substream) 1552 { 1553 ali_t *codec = snd_pcm_substream_chip(substream); 1554 snd_pcm_runtime_t *runtime = substream->runtime; 1555 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data; 1556 unsigned int cso; 1557 unsigned long flags; 1558 1559 spin_lock_irqsave(&codec->reg_lock, flags); 1560 if (!pvoice->running) { 1561 spin_unlock_irqrestore(&codec->reg_lock, flags); 1562 return 0; 1563 } 1564 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR)); 1565 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)); 1566 spin_unlock_irqrestore(&codec->reg_lock, flags); 1567 1568 return cso; 1569 } 1570 1571 static snd_pcm_hardware_t snd_ali_playback = 1572 { 1573 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1574 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1575 SNDRV_PCM_INFO_MMAP_VALID | 1576 SNDRV_PCM_INFO_RESUME | 1577 SNDRV_PCM_INFO_SYNC_START), 1578 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | 1579 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE), 1580 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 1581 .rate_min = 4000, 1582 .rate_max = 48000, 1583 .channels_min = 1, 1584 .channels_max = 2, 1585 .buffer_bytes_max = (256*1024), 1586 .period_bytes_min = 64, 1587 .period_bytes_max = (256*1024), 1588 .periods_min = 1, 1589 .periods_max = 1024, 1590 .fifo_size = 0, 1591 }; 1592 1593 /* 1594 * Capture support device description 1595 */ 1596 1597 static snd_pcm_hardware_t snd_ali_capture = 1598 { 1599 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1600 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1601 SNDRV_PCM_INFO_MMAP_VALID | 1602 SNDRV_PCM_INFO_RESUME | 1603 SNDRV_PCM_INFO_SYNC_START), 1604 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | 1605 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE), 1606 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 1607 .rate_min = 4000, 1608 .rate_max = 48000, 1609 .channels_min = 1, 1610 .channels_max = 2, 1611 .buffer_bytes_max = (128*1024), 1612 .period_bytes_min = 64, 1613 .period_bytes_max = (128*1024), 1614 .periods_min = 1, 1615 .periods_max = 1024, 1616 .fifo_size = 0, 1617 }; 1618 1619 static void snd_ali_pcm_free_substream(snd_pcm_runtime_t *runtime) 1620 { 1621 unsigned long flags; 1622 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data; 1623 ali_t *codec; 1624 1625 if (pvoice) { 1626 codec = pvoice->codec; 1627 spin_lock_irqsave(&codec->reg_lock, flags); 1628 snd_ali_free_voice(pvoice->codec, pvoice); 1629 spin_unlock_irqrestore(&codec->reg_lock, flags); 1630 } 1631 } 1632 1633 static int snd_ali_open(snd_pcm_substream_t * substream, int rec, int channel, 1634 snd_pcm_hardware_t *phw) 1635 { 1636 ali_t *codec = snd_pcm_substream_chip(substream); 1637 snd_pcm_runtime_t *runtime = substream->runtime; 1638 snd_ali_voice_t *pvoice; 1639 unsigned long flags = 0; 1640 1641 spin_lock_irqsave(&codec->reg_lock, flags); 1642 pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, rec, channel); 1643 if (pvoice == NULL) { 1644 spin_unlock_irqrestore(&codec->reg_lock, flags); 1645 return -EAGAIN; 1646 } 1647 pvoice->codec = codec; 1648 spin_unlock_irqrestore(&codec->reg_lock, flags); 1649 1650 pvoice->substream = substream; 1651 runtime->private_data = pvoice; 1652 runtime->private_free = snd_ali_pcm_free_substream; 1653 1654 runtime->hw = *phw; 1655 snd_pcm_set_sync(substream); 1656 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024); 1657 return 0; 1658 } 1659 1660 static int snd_ali_playback_open(snd_pcm_substream_t * substream) 1661 { 1662 return snd_ali_open(substream, 0, -1, &snd_ali_playback); 1663 } 1664 1665 static int snd_ali_capture_open(snd_pcm_substream_t * substream) 1666 { 1667 return snd_ali_open(substream, 1, -1, &snd_ali_capture); 1668 } 1669 1670 static int snd_ali_playback_close(snd_pcm_substream_t * substream) 1671 { 1672 return 0; 1673 } 1674 1675 static int snd_ali_close(snd_pcm_substream_t * substream) 1676 { 1677 ali_t *codec = snd_pcm_substream_chip(substream); 1678 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) substream->runtime->private_data; 1679 1680 snd_ali_disable_special_channel(codec,pvoice->number); 1681 1682 return 0; 1683 } 1684 1685 static snd_pcm_ops_t snd_ali_playback_ops = { 1686 .open = snd_ali_playback_open, 1687 .close = snd_ali_playback_close, 1688 .ioctl = snd_ali_ioctl, 1689 .hw_params = snd_ali_playback_hw_params, 1690 .hw_free = snd_ali_playback_hw_free, 1691 .prepare = snd_ali_playback_prepare, 1692 .trigger = snd_ali_trigger, 1693 .pointer = snd_ali_playback_pointer, 1694 }; 1695 1696 static snd_pcm_ops_t snd_ali_capture_ops = { 1697 .open = snd_ali_capture_open, 1698 .close = snd_ali_close, 1699 .ioctl = snd_ali_ioctl, 1700 .hw_params = snd_ali_hw_params, 1701 .hw_free = snd_ali_hw_free, 1702 .prepare = snd_ali_prepare, 1703 .trigger = snd_ali_trigger, 1704 .pointer = snd_ali_pointer, 1705 }; 1706 1707 /* 1708 * Modem PCM 1709 */ 1710 1711 static int snd_ali_modem_hw_params(snd_pcm_substream_t * substream, 1712 snd_pcm_hw_params_t * hw_params) 1713 { 1714 ali_t *chip = snd_pcm_substream_chip(substream); 1715 unsigned int modem_num = chip->num_of_codecs - 1; 1716 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_RATE, params_rate(hw_params)); 1717 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_LEVEL, 0); 1718 return snd_ali_hw_params(substream, hw_params); 1719 } 1720 1721 static snd_pcm_hardware_t snd_ali_modem = 1722 { 1723 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1724 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1725 SNDRV_PCM_INFO_MMAP_VALID | 1726 SNDRV_PCM_INFO_RESUME | 1727 SNDRV_PCM_INFO_SYNC_START), 1728 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1729 .rates = SNDRV_PCM_RATE_KNOT|SNDRV_PCM_RATE_8000|SNDRV_PCM_RATE_16000, 1730 .rate_min = 8000, 1731 .rate_max = 16000, 1732 .channels_min = 1, 1733 .channels_max = 1, 1734 .buffer_bytes_max = (256*1024), 1735 .period_bytes_min = 64, 1736 .period_bytes_max = (256*1024), 1737 .periods_min = 1, 1738 .periods_max = 1024, 1739 .fifo_size = 0, 1740 }; 1741 1742 static int snd_ali_modem_open(snd_pcm_substream_t * substream, int rec, int channel) 1743 { 1744 static unsigned int rates [] = {8000,9600,12000,16000}; 1745 static snd_pcm_hw_constraint_list_t hw_constraint_rates = { 1746 .count = ARRAY_SIZE(rates), 1747 .list = rates, 1748 .mask = 0, 1749 }; 1750 int err = snd_ali_open(substream, rec, channel, &snd_ali_modem); 1751 if (err) 1752 return err; 1753 return snd_pcm_hw_constraint_list(substream->runtime, 0, 1754 SNDRV_PCM_HW_PARAM_RATE, &hw_constraint_rates); 1755 } 1756 1757 static int snd_ali_modem_playback_open(snd_pcm_substream_t * substream) 1758 { 1759 return snd_ali_modem_open(substream, 0, ALI_MODEM_OUT_CHANNEL); 1760 } 1761 1762 static int snd_ali_modem_capture_open(snd_pcm_substream_t * substream) 1763 { 1764 return snd_ali_modem_open(substream, 1, ALI_MODEM_IN_CHANNEL); 1765 } 1766 1767 static snd_pcm_ops_t snd_ali_modem_playback_ops = { 1768 .open = snd_ali_modem_playback_open, 1769 .close = snd_ali_close, 1770 .ioctl = snd_pcm_lib_ioctl, 1771 .hw_params = snd_ali_modem_hw_params, 1772 .hw_free = snd_ali_hw_free, 1773 .prepare = snd_ali_prepare, 1774 .trigger = snd_ali_trigger, 1775 .pointer = snd_ali_pointer, 1776 }; 1777 1778 static snd_pcm_ops_t snd_ali_modem_capture_ops = { 1779 .open = snd_ali_modem_capture_open, 1780 .close = snd_ali_close, 1781 .ioctl = snd_pcm_lib_ioctl, 1782 .hw_params = snd_ali_modem_hw_params, 1783 .hw_free = snd_ali_hw_free, 1784 .prepare = snd_ali_prepare, 1785 .trigger = snd_ali_trigger, 1786 .pointer = snd_ali_pointer, 1787 }; 1788 1789 1790 struct ali_pcm_description { 1791 char *name; 1792 unsigned int playback_num; 1793 unsigned int capture_num; 1794 snd_pcm_ops_t *playback_ops; 1795 snd_pcm_ops_t *capture_ops; 1796 unsigned short class; 1797 }; 1798 1799 1800 static void snd_ali_pcm_free(snd_pcm_t *pcm) 1801 { 1802 ali_t *codec = pcm->private_data; 1803 codec->pcm[pcm->device] = NULL; 1804 } 1805 1806 1807 static int __devinit snd_ali_pcm(ali_t * codec, int device, struct ali_pcm_description *desc) 1808 { 1809 snd_pcm_t *pcm; 1810 int err; 1811 1812 err = snd_pcm_new(codec->card, desc->name, device, 1813 desc->playback_num, desc->capture_num, &pcm); 1814 if (err < 0) { 1815 snd_printk(KERN_ERR "snd_ali_pcm: err called snd_pcm_new.\n"); 1816 return err; 1817 } 1818 pcm->private_data = codec; 1819 pcm->private_free = snd_ali_pcm_free; 1820 if (desc->playback_ops) 1821 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, desc->playback_ops); 1822 if (desc->capture_ops) 1823 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, desc->capture_ops); 1824 1825 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 1826 snd_dma_pci_data(codec->pci), 64*1024, 128*1024); 1827 1828 pcm->info_flags = 0; 1829 pcm->dev_class = desc->class; 1830 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX; 1831 strcpy(pcm->name, desc->name); 1832 codec->pcm[0] = pcm; 1833 return 0; 1834 } 1835 1836 static struct ali_pcm_description ali_pcms[] = { 1837 { "ALI 5451", ALI_CHANNELS, 1, &snd_ali_playback_ops, &snd_ali_capture_ops }, 1838 { "ALI 5451 modem", 1, 1, &snd_ali_modem_playback_ops, &snd_ali_modem_capture_ops, SNDRV_PCM_CLASS_MODEM } 1839 }; 1840 1841 static int __devinit snd_ali_build_pcms(ali_t *codec) 1842 { 1843 int i, err; 1844 for(i = 0 ; i < codec->num_of_codecs && i < ARRAY_SIZE(ali_pcms) ; i++) 1845 if((err = snd_ali_pcm(codec, i, &ali_pcms[i])) < 0) 1846 return err; 1847 return 0; 1848 } 1849 1850 1851 #define ALI5451_SPDIF(xname, xindex, value) \ 1852 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\ 1853 .info = snd_ali5451_spdif_info, .get = snd_ali5451_spdif_get, \ 1854 .put = snd_ali5451_spdif_put, .private_value = value} 1855 1856 static int snd_ali5451_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 1857 { 1858 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1859 uinfo->count = 1; 1860 uinfo->value.integer.min = 0; 1861 uinfo->value.integer.max = 1; 1862 return 0; 1863 } 1864 1865 static int snd_ali5451_spdif_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 1866 { 1867 unsigned long flags; 1868 ali_t *codec = kcontrol->private_data; 1869 unsigned int enable; 1870 1871 enable = ucontrol->value.integer.value[0] ? 1 : 0; 1872 1873 spin_lock_irqsave(&codec->reg_lock, flags); 1874 switch(kcontrol->private_value) { 1875 case 0: 1876 enable = (codec->spdif_mask & 0x02) ? 1 : 0; 1877 break; 1878 case 1: 1879 enable = ((codec->spdif_mask & 0x02) && (codec->spdif_mask & 0x04)) ? 1 : 0; 1880 break; 1881 case 2: 1882 enable = (codec->spdif_mask & 0x01) ? 1 : 0; 1883 break; 1884 default: 1885 break; 1886 } 1887 ucontrol->value.integer.value[0] = enable; 1888 spin_unlock_irqrestore(&codec->reg_lock, flags); 1889 return 0; 1890 } 1891 1892 static int snd_ali5451_spdif_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 1893 { 1894 unsigned long flags; 1895 ali_t *codec = kcontrol->private_data; 1896 unsigned int change = 0, enable = 0; 1897 1898 enable = ucontrol->value.integer.value[0] ? 1 : 0; 1899 1900 spin_lock_irqsave(&codec->reg_lock, flags); 1901 switch (kcontrol->private_value) { 1902 case 0: 1903 change = (codec->spdif_mask & 0x02) ? 1 : 0; 1904 change = change ^ enable; 1905 if (change) { 1906 if (enable) { 1907 codec->spdif_mask |= 0x02; 1908 snd_ali_enable_spdif_out(codec); 1909 } else { 1910 codec->spdif_mask &= ~(0x02); 1911 codec->spdif_mask &= ~(0x04); 1912 snd_ali_disable_spdif_out(codec); 1913 } 1914 } 1915 break; 1916 case 1: 1917 change = (codec->spdif_mask & 0x04) ? 1 : 0; 1918 change = change ^ enable; 1919 if (change && (codec->spdif_mask & 0x02)) { 1920 if (enable) { 1921 codec->spdif_mask |= 0x04; 1922 snd_ali_enable_spdif_chnout(codec); 1923 } else { 1924 codec->spdif_mask &= ~(0x04); 1925 snd_ali_disable_spdif_chnout(codec); 1926 } 1927 } 1928 break; 1929 case 2: 1930 change = (codec->spdif_mask & 0x01) ? 1 : 0; 1931 change = change ^ enable; 1932 if (change) { 1933 if (enable) { 1934 codec->spdif_mask |= 0x01; 1935 snd_ali_enable_spdif_in(codec); 1936 } else { 1937 codec->spdif_mask &= ~(0x01); 1938 snd_ali_disable_spdif_in(codec); 1939 } 1940 } 1941 break; 1942 default: 1943 break; 1944 } 1945 spin_unlock_irqrestore(&codec->reg_lock, flags); 1946 1947 return change; 1948 } 1949 1950 static snd_kcontrol_new_t snd_ali5451_mixer_spdif[] __devinitdata = { 1951 /* spdif aplayback switch */ 1952 /* FIXME: "IEC958 Playback Switch" may conflict with one on ac97_codec */ 1953 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 0, 0), 1954 /* spdif out to spdif channel */ 1955 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Channel Output ",NONE,SWITCH), 0, 1), 1956 /* spdif in from spdif channel */ 1957 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, 2) 1958 }; 1959 1960 static void snd_ali_mixer_free_ac97_bus(ac97_bus_t *bus) 1961 { 1962 ali_t *codec = bus->private_data; 1963 codec->ac97_bus = NULL; 1964 } 1965 1966 static void snd_ali_mixer_free_ac97(ac97_t *ac97) 1967 { 1968 ali_t *codec = ac97->private_data; 1969 codec->ac97[ac97->num] = NULL; 1970 } 1971 1972 static int __devinit snd_ali_mixer(ali_t * codec) 1973 { 1974 ac97_template_t ac97; 1975 unsigned int idx; 1976 int i, err; 1977 static ac97_bus_ops_t ops = { 1978 .write = snd_ali_codec_write, 1979 .read = snd_ali_codec_read, 1980 }; 1981 1982 if ((err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus)) < 0) 1983 return err; 1984 codec->ac97_bus->private_free = snd_ali_mixer_free_ac97_bus; 1985 1986 memset(&ac97, 0, sizeof(ac97)); 1987 ac97.private_data = codec; 1988 ac97.private_free = snd_ali_mixer_free_ac97; 1989 1990 for ( i = 0 ; i < codec->num_of_codecs ; i++) { 1991 ac97.num = i; 1992 if ((err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97[i])) < 0) { 1993 snd_printk(KERN_ERR "ali mixer %d creating error.\n", i); 1994 if(i == 0) 1995 return err; 1996 codec->num_of_codecs = 1; 1997 break; 1998 } 1999 } 2000 2001 if (codec->spdif_support) { 2002 for(idx = 0; idx < ARRAY_SIZE(snd_ali5451_mixer_spdif); idx++) { 2003 err=snd_ctl_add(codec->card, snd_ctl_new1(&snd_ali5451_mixer_spdif[idx], codec)); 2004 if (err < 0) return err; 2005 } 2006 } 2007 return 0; 2008 } 2009 2010 #ifdef CONFIG_PM 2011 static int ali_suspend(snd_card_t *card, pm_message_t state) 2012 { 2013 ali_t *chip = card->pm_private_data; 2014 ali_image_t *im; 2015 int i, j; 2016 2017 im = chip->image; 2018 if (! im) 2019 return 0; 2020 2021 for(i = 0 ; i < chip->num_of_codecs ; i++) { 2022 if (chip->pcm[i]) 2023 snd_pcm_suspend_all(chip->pcm[i]); 2024 if(chip->ac97[i]) 2025 snd_ac97_suspend(chip->ac97[i]); 2026 } 2027 2028 spin_lock_irq(&chip->reg_lock); 2029 2030 im->regs[ALI_MISCINT >> 2] = inl(ALI_REG(chip, ALI_MISCINT)); 2031 // im->regs[ALI_START >> 2] = inl(ALI_REG(chip, ALI_START)); 2032 im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP)); 2033 2034 // disable all IRQ bits 2035 outl(0, ALI_REG(chip, ALI_MISCINT)); 2036 2037 for (i = 0; i < ALI_GLOBAL_REGS; i++) { 2038 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP)) 2039 continue; 2040 im->regs[i] = inl(ALI_REG(chip, i*4)); 2041 } 2042 2043 for (i = 0; i < ALI_CHANNELS; i++) { 2044 outb(i, ALI_REG(chip, ALI_GC_CIR)); 2045 for (j = 0; j < ALI_CHANNEL_REGS; j++) 2046 im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0)); 2047 } 2048 2049 // stop all HW channel 2050 outl(0xffffffff, ALI_REG(chip, ALI_STOP)); 2051 2052 spin_unlock_irq(&chip->reg_lock); 2053 pci_disable_device(chip->pci); 2054 return 0; 2055 } 2056 2057 static int ali_resume(snd_card_t *card) 2058 { 2059 ali_t *chip = card->pm_private_data; 2060 ali_image_t *im; 2061 int i, j; 2062 2063 im = chip->image; 2064 if (! im) 2065 return 0; 2066 2067 pci_enable_device(chip->pci); 2068 2069 spin_lock_irq(&chip->reg_lock); 2070 2071 for (i = 0; i < ALI_CHANNELS; i++) { 2072 outb(i, ALI_REG(chip, ALI_GC_CIR)); 2073 for (j = 0; j < ALI_CHANNEL_REGS; j++) 2074 outl(im->channel_regs[i][j], ALI_REG(chip, j*4 + 0xe0)); 2075 } 2076 2077 for (i = 0; i < ALI_GLOBAL_REGS; i++) { 2078 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) || (i*4 == ALI_START)) 2079 continue; 2080 outl(im->regs[i], ALI_REG(chip, i*4)); 2081 } 2082 2083 // start HW channel 2084 outl(im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START)); 2085 // restore IRQ enable bits 2086 outl(im->regs[ALI_MISCINT >> 2], ALI_REG(chip, ALI_MISCINT)); 2087 2088 spin_unlock_irq(&chip->reg_lock); 2089 2090 for(i = 0 ; i < chip->num_of_codecs ; i++) 2091 if(chip->ac97[i]) 2092 snd_ac97_resume(chip->ac97[i]); 2093 2094 return 0; 2095 } 2096 #endif /* CONFIG_PM */ 2097 2098 static int snd_ali_free(ali_t * codec) 2099 { 2100 if (codec->hw_initialized) 2101 snd_ali_disable_address_interrupt(codec); 2102 if (codec->irq >= 0) { 2103 synchronize_irq(codec->irq); 2104 free_irq(codec->irq, (void *)codec); 2105 } 2106 if (codec->port) 2107 pci_release_regions(codec->pci); 2108 pci_disable_device(codec->pci); 2109 #ifdef CONFIG_PM 2110 kfree(codec->image); 2111 #endif 2112 pci_dev_put(codec->pci_m1533); 2113 pci_dev_put(codec->pci_m7101); 2114 kfree(codec); 2115 return 0; 2116 } 2117 2118 static int snd_ali_chip_init(ali_t *codec) 2119 { 2120 unsigned int legacy; 2121 unsigned char temp; 2122 struct pci_dev *pci_dev = NULL; 2123 2124 snd_ali_printk("chip initializing ... \n"); 2125 2126 if (snd_ali_reset_5451(codec)) { 2127 snd_printk(KERN_ERR "ali_chip_init: reset 5451 error.\n"); 2128 return -1; 2129 } 2130 2131 if (codec->revision == ALI_5451_V02) { 2132 pci_dev = codec->pci_m1533; 2133 pci_read_config_byte(pci_dev, 0x59, &temp); 2134 temp |= 0x80; 2135 pci_write_config_byte(pci_dev, 0x59, temp); 2136 2137 pci_dev = codec->pci_m7101; 2138 pci_read_config_byte(pci_dev, 0xb8, &temp); 2139 temp |= 0x20; 2140 pci_write_config_byte(pci_dev, 0xB8, temp); 2141 } 2142 2143 pci_read_config_dword(codec->pci, 0x44, &legacy); 2144 legacy &= 0xff00ff00; 2145 legacy |= 0x000800aa; 2146 pci_write_config_dword(codec->pci, 0x44, legacy); 2147 2148 outl(0x80000001, ALI_REG(codec, ALI_GLOBAL_CONTROL)); 2149 outl(0x00000000, ALI_REG(codec, ALI_AINTEN)); 2150 outl(0xffffffff, ALI_REG(codec, ALI_AINT)); 2151 outl(0x00000000, ALI_REG(codec, ALI_VOLUME)); 2152 outb(0x10, ALI_REG(codec, ALI_MPUR2)); 2153 2154 codec->ac97_ext_id = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_ID); 2155 codec->ac97_ext_status = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_STATUS); 2156 if (codec->spdif_support) { 2157 snd_ali_enable_spdif_out(codec); 2158 codec->spdif_mask = 0x00000002; 2159 } 2160 2161 codec->num_of_codecs = 1; 2162 2163 /* secondary codec - modem */ 2164 if (inl(ALI_REG(codec, ALI_SCTRL)) & ALI_SCTRL_CODEC2_READY) { 2165 codec->num_of_codecs++; 2166 outl(inl(ALI_REG(codec, ALI_SCTRL)) | 2167 (ALI_SCTRL_LINE_IN2|ALI_SCTRL_GPIO_IN2|ALI_SCTRL_LINE_OUT_EN), 2168 ALI_REG(codec, ALI_SCTRL)); 2169 } 2170 2171 snd_ali_printk("chip initialize succeed.\n"); 2172 return 0; 2173 2174 } 2175 2176 /* proc for register dump */ 2177 static void snd_ali_proc_read(snd_info_entry_t *entry, snd_info_buffer_t *buf) 2178 { 2179 ali_t *codec = entry->private_data; 2180 int i; 2181 for(i = 0 ; i < 256 ; i+= 4) 2182 snd_iprintf(buf, "%02x: %08x\n", i, inl(ALI_REG(codec, i))); 2183 } 2184 2185 static void __devinit snd_ali_proc_init(ali_t *codec) 2186 { 2187 snd_info_entry_t *entry; 2188 if(!snd_card_proc_new(codec->card, "ali5451", &entry)) 2189 snd_info_set_text_ops(entry, codec, 1024, snd_ali_proc_read); 2190 } 2191 2192 static int __devinit snd_ali_resources(ali_t *codec) 2193 { 2194 int err; 2195 2196 snd_ali_printk("resouces allocation ...\n"); 2197 if ((err = pci_request_regions(codec->pci, "ALI 5451")) < 0) 2198 return err; 2199 codec->port = pci_resource_start(codec->pci, 0); 2200 2201 if (request_irq(codec->pci->irq, snd_ali_card_interrupt, SA_INTERRUPT|SA_SHIRQ, "ALI 5451", (void *)codec)) { 2202 snd_printk(KERN_ERR "Unable to request irq.\n"); 2203 return -EBUSY; 2204 } 2205 codec->irq = codec->pci->irq; 2206 snd_ali_printk("resouces allocated.\n"); 2207 return 0; 2208 } 2209 static int snd_ali_dev_free(snd_device_t *device) 2210 { 2211 ali_t *codec=device->device_data; 2212 snd_ali_free(codec); 2213 return 0; 2214 } 2215 2216 static int __devinit snd_ali_create(snd_card_t * card, 2217 struct pci_dev *pci, 2218 int pcm_streams, 2219 int spdif_support, 2220 ali_t ** r_ali) 2221 { 2222 ali_t *codec; 2223 int i, err; 2224 unsigned short cmdw = 0; 2225 struct pci_dev *pci_dev = NULL; 2226 static snd_device_ops_t ops = { 2227 (snd_dev_free_t *)snd_ali_dev_free, 2228 NULL, 2229 NULL 2230 }; 2231 2232 *r_ali = NULL; 2233 2234 snd_ali_printk("creating ...\n"); 2235 2236 /* enable PCI device */ 2237 if ((err = pci_enable_device(pci)) < 0) 2238 return err; 2239 /* check, if we can restrict PCI DMA transfers to 31 bits */ 2240 if (pci_set_dma_mask(pci, 0x7fffffff) < 0 || 2241 pci_set_consistent_dma_mask(pci, 0x7fffffff) < 0) { 2242 snd_printk(KERN_ERR "architecture does not support 31bit PCI busmaster DMA\n"); 2243 pci_disable_device(pci); 2244 return -ENXIO; 2245 } 2246 2247 if ((codec = kzalloc(sizeof(*codec), GFP_KERNEL)) == NULL) { 2248 pci_disable_device(pci); 2249 return -ENOMEM; 2250 } 2251 2252 spin_lock_init(&codec->reg_lock); 2253 spin_lock_init(&codec->voice_alloc); 2254 2255 codec->card = card; 2256 codec->pci = pci; 2257 codec->irq = -1; 2258 pci_read_config_byte(pci, PCI_REVISION_ID, &codec->revision); 2259 codec->spdif_support = spdif_support; 2260 2261 if (pcm_streams < 1) 2262 pcm_streams = 1; 2263 if (pcm_streams > 32) 2264 pcm_streams = 32; 2265 2266 pci_set_master(pci); 2267 pci_read_config_word(pci, PCI_COMMAND, &cmdw); 2268 if ((cmdw & PCI_COMMAND_IO) != PCI_COMMAND_IO) { 2269 cmdw |= PCI_COMMAND_IO; 2270 pci_write_config_word(pci, PCI_COMMAND, cmdw); 2271 } 2272 pci_set_master(pci); 2273 2274 if (snd_ali_resources(codec)) { 2275 snd_ali_free(codec); 2276 return -EBUSY; 2277 } 2278 2279 synchronize_irq(pci->irq); 2280 2281 codec->synth.chmap = 0; 2282 codec->synth.chcnt = 0; 2283 codec->spdif_mask = 0; 2284 codec->synth.synthcount = 0; 2285 2286 if (codec->revision == ALI_5451_V02) 2287 codec->chregs.regs.ac97read = ALI_AC97_WRITE; 2288 else 2289 codec->chregs.regs.ac97read = ALI_AC97_READ; 2290 codec->chregs.regs.ac97write = ALI_AC97_WRITE; 2291 2292 codec->chregs.regs.start = ALI_START; 2293 codec->chregs.regs.stop = ALI_STOP; 2294 codec->chregs.regs.aint = ALI_AINT; 2295 codec->chregs.regs.ainten = ALI_AINTEN; 2296 2297 codec->chregs.data.start = 0x00; 2298 codec->chregs.data.stop = 0x00; 2299 codec->chregs.data.aint = 0x00; 2300 codec->chregs.data.ainten = 0x00; 2301 2302 /* M1533: southbridge */ 2303 pci_dev = pci_get_device(0x10b9, 0x1533, NULL); 2304 codec->pci_m1533 = pci_dev; 2305 if (! codec->pci_m1533) { 2306 snd_printk(KERN_ERR "ali5451: cannot find ALi 1533 chip.\n"); 2307 snd_ali_free(codec); 2308 return -ENODEV; 2309 } 2310 /* M7101: power management */ 2311 pci_dev = pci_get_device(0x10b9, 0x7101, NULL); 2312 codec->pci_m7101 = pci_dev; 2313 if (! codec->pci_m7101 && codec->revision == ALI_5451_V02) { 2314 snd_printk(KERN_ERR "ali5451: cannot find ALi 7101 chip.\n"); 2315 snd_ali_free(codec); 2316 return -ENODEV; 2317 } 2318 2319 snd_ali_printk("snd_device_new is called.\n"); 2320 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops)) < 0) { 2321 snd_ali_free(codec); 2322 return err; 2323 } 2324 2325 /* initialise synth voices*/ 2326 for (i = 0; i < ALI_CHANNELS; i++ ) { 2327 codec->synth.voices[i].number = i; 2328 } 2329 2330 if ((err = snd_ali_chip_init(codec)) < 0) { 2331 snd_printk(KERN_ERR "ali create: chip init error.\n"); 2332 return err; 2333 } 2334 2335 #ifdef CONFIG_PM 2336 codec->image = kmalloc(sizeof(*codec->image), GFP_KERNEL); 2337 if (! codec->image) 2338 snd_printk(KERN_WARNING "can't allocate apm buffer\n"); 2339 else 2340 snd_card_set_pm_callback(card, ali_suspend, ali_resume, codec); 2341 #endif 2342 2343 snd_ali_enable_address_interrupt(codec); 2344 codec->hw_initialized = 1; 2345 2346 *r_ali = codec; 2347 snd_ali_printk("created.\n"); 2348 return 0; 2349 } 2350 2351 static int __devinit snd_ali_probe(struct pci_dev *pci, 2352 const struct pci_device_id *pci_id) 2353 { 2354 snd_card_t *card; 2355 ali_t *codec; 2356 int err; 2357 2358 snd_ali_printk("probe ...\n"); 2359 2360 card = snd_card_new(index, id, THIS_MODULE, 0); 2361 if (card == NULL) 2362 return -ENOMEM; 2363 2364 if ((err = snd_ali_create(card, pci, pcm_channels, spdif, &codec)) < 0) { 2365 snd_card_free(card); 2366 return err; 2367 } 2368 2369 snd_ali_printk("mixer building ...\n"); 2370 if ((err = snd_ali_mixer(codec)) < 0) { 2371 snd_card_free(card); 2372 return err; 2373 } 2374 2375 snd_ali_printk("pcm building ...\n"); 2376 if ((err = snd_ali_build_pcms(codec)) < 0) { 2377 snd_card_free(card); 2378 return err; 2379 } 2380 2381 snd_ali_proc_init(codec); 2382 2383 strcpy(card->driver, "ALI5451"); 2384 strcpy(card->shortname, "ALI 5451"); 2385 2386 sprintf(card->longname, "%s at 0x%lx, irq %li", 2387 card->shortname, codec->port, codec->irq); 2388 2389 snd_ali_printk("register card.\n"); 2390 if ((err = snd_card_register(card)) < 0) { 2391 snd_card_free(card); 2392 return err; 2393 } 2394 pci_set_drvdata(pci, card); 2395 return 0; 2396 } 2397 2398 static void __devexit snd_ali_remove(struct pci_dev *pci) 2399 { 2400 snd_card_free(pci_get_drvdata(pci)); 2401 pci_set_drvdata(pci, NULL); 2402 } 2403 2404 static struct pci_driver driver = { 2405 .name = "ALI 5451", 2406 .id_table = snd_ali_ids, 2407 .probe = snd_ali_probe, 2408 .remove = __devexit_p(snd_ali_remove), 2409 SND_PCI_PM_CALLBACKS 2410 }; 2411 2412 static int __init alsa_card_ali_init(void) 2413 { 2414 return pci_register_driver(&driver); 2415 } 2416 2417 static void __exit alsa_card_ali_exit(void) 2418 { 2419 pci_unregister_driver(&driver); 2420 } 2421 2422 module_init(alsa_card_ali_init) 2423 module_exit(alsa_card_ali_exit) 2424