1 /* 2 * Copyright (C) 2006 InnoTek Systemberatung GmbH 3 * 4 * This file is part of VirtualBox Open Source Edition (OSE), as 5 * available from http://www.virtualbox.org. This file is free software; 6 * you can redistribute it and/or modify it under the terms of the GNU 7 * General Public License as published by the Free Software Foundation, 8 * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE 9 * distribution. VirtualBox OSE is distributed in the hope that it will 10 * be useful, but WITHOUT ANY WARRANTY of any kind. 11 * 12 * If you received this file as part of a commercial VirtualBox 13 * distribution, then only the terms of your commercial VirtualBox 14 * license agreement apply instead of the previous paragraph. 15 * 16 * Contributions after 2012-01-13 are licensed under the terms of the 17 * GNU GPL, version 2 or (at your option) any later version. 18 */ 19 20 #include "hw/hw.h" 21 #include "hw/audio/audio.h" 22 #include "audio/audio.h" 23 #include "hw/pci/pci.h" 24 #include "sysemu/dma.h" 25 26 enum { 27 AC97_Reset = 0x00, 28 AC97_Master_Volume_Mute = 0x02, 29 AC97_Headphone_Volume_Mute = 0x04, 30 AC97_Master_Volume_Mono_Mute = 0x06, 31 AC97_Master_Tone_RL = 0x08, 32 AC97_PC_BEEP_Volume_Mute = 0x0A, 33 AC97_Phone_Volume_Mute = 0x0C, 34 AC97_Mic_Volume_Mute = 0x0E, 35 AC97_Line_In_Volume_Mute = 0x10, 36 AC97_CD_Volume_Mute = 0x12, 37 AC97_Video_Volume_Mute = 0x14, 38 AC97_Aux_Volume_Mute = 0x16, 39 AC97_PCM_Out_Volume_Mute = 0x18, 40 AC97_Record_Select = 0x1A, 41 AC97_Record_Gain_Mute = 0x1C, 42 AC97_Record_Gain_Mic_Mute = 0x1E, 43 AC97_General_Purpose = 0x20, 44 AC97_3D_Control = 0x22, 45 AC97_AC_97_RESERVED = 0x24, 46 AC97_Powerdown_Ctrl_Stat = 0x26, 47 AC97_Extended_Audio_ID = 0x28, 48 AC97_Extended_Audio_Ctrl_Stat = 0x2A, 49 AC97_PCM_Front_DAC_Rate = 0x2C, 50 AC97_PCM_Surround_DAC_Rate = 0x2E, 51 AC97_PCM_LFE_DAC_Rate = 0x30, 52 AC97_PCM_LR_ADC_Rate = 0x32, 53 AC97_MIC_ADC_Rate = 0x34, 54 AC97_6Ch_Vol_C_LFE_Mute = 0x36, 55 AC97_6Ch_Vol_L_R_Surround_Mute = 0x38, 56 AC97_Vendor_Reserved = 0x58, 57 AC97_Sigmatel_Analog = 0x6c, /* We emulate a Sigmatel codec */ 58 AC97_Sigmatel_Dac2Invert = 0x6e, /* We emulate a Sigmatel codec */ 59 AC97_Vendor_ID1 = 0x7c, 60 AC97_Vendor_ID2 = 0x7e 61 }; 62 63 #define SOFT_VOLUME 64 #define SR_FIFOE 16 /* rwc */ 65 #define SR_BCIS 8 /* rwc */ 66 #define SR_LVBCI 4 /* rwc */ 67 #define SR_CELV 2 /* ro */ 68 #define SR_DCH 1 /* ro */ 69 #define SR_VALID_MASK ((1 << 5) - 1) 70 #define SR_WCLEAR_MASK (SR_FIFOE | SR_BCIS | SR_LVBCI) 71 #define SR_RO_MASK (SR_DCH | SR_CELV) 72 #define SR_INT_MASK (SR_FIFOE | SR_BCIS | SR_LVBCI) 73 74 #define CR_IOCE 16 /* rw */ 75 #define CR_FEIE 8 /* rw */ 76 #define CR_LVBIE 4 /* rw */ 77 #define CR_RR 2 /* rw */ 78 #define CR_RPBM 1 /* rw */ 79 #define CR_VALID_MASK ((1 << 5) - 1) 80 #define CR_DONT_CLEAR_MASK (CR_IOCE | CR_FEIE | CR_LVBIE) 81 82 #define GC_WR 4 /* rw */ 83 #define GC_CR 2 /* rw */ 84 #define GC_VALID_MASK ((1 << 6) - 1) 85 86 #define GS_MD3 (1<<17) /* rw */ 87 #define GS_AD3 (1<<16) /* rw */ 88 #define GS_RCS (1<<15) /* rwc */ 89 #define GS_B3S12 (1<<14) /* ro */ 90 #define GS_B2S12 (1<<13) /* ro */ 91 #define GS_B1S12 (1<<12) /* ro */ 92 #define GS_S1R1 (1<<11) /* rwc */ 93 #define GS_S0R1 (1<<10) /* rwc */ 94 #define GS_S1CR (1<<9) /* ro */ 95 #define GS_S0CR (1<<8) /* ro */ 96 #define GS_MINT (1<<7) /* ro */ 97 #define GS_POINT (1<<6) /* ro */ 98 #define GS_PIINT (1<<5) /* ro */ 99 #define GS_RSRVD ((1<<4)|(1<<3)) 100 #define GS_MOINT (1<<2) /* ro */ 101 #define GS_MIINT (1<<1) /* ro */ 102 #define GS_GSCI 1 /* rwc */ 103 #define GS_RO_MASK (GS_B3S12| \ 104 GS_B2S12| \ 105 GS_B1S12| \ 106 GS_S1CR| \ 107 GS_S0CR| \ 108 GS_MINT| \ 109 GS_POINT| \ 110 GS_PIINT| \ 111 GS_RSRVD| \ 112 GS_MOINT| \ 113 GS_MIINT) 114 #define GS_VALID_MASK ((1 << 18) - 1) 115 #define GS_WCLEAR_MASK (GS_RCS|GS_S1R1|GS_S0R1|GS_GSCI) 116 117 #define BD_IOC (1<<31) 118 #define BD_BUP (1<<30) 119 120 #define EACS_VRA 1 121 #define EACS_VRM 8 122 123 #define MUTE_SHIFT 15 124 125 #define REC_MASK 7 126 enum { 127 REC_MIC = 0, 128 REC_CD, 129 REC_VIDEO, 130 REC_AUX, 131 REC_LINE_IN, 132 REC_STEREO_MIX, 133 REC_MONO_MIX, 134 REC_PHONE 135 }; 136 137 typedef struct BD { 138 uint32_t addr; 139 uint32_t ctl_len; 140 } BD; 141 142 typedef struct AC97BusMasterRegs { 143 uint32_t bdbar; /* rw 0 */ 144 uint8_t civ; /* ro 0 */ 145 uint8_t lvi; /* rw 0 */ 146 uint16_t sr; /* rw 1 */ 147 uint16_t picb; /* ro 0 */ 148 uint8_t piv; /* ro 0 */ 149 uint8_t cr; /* rw 0 */ 150 unsigned int bd_valid; 151 BD bd; 152 } AC97BusMasterRegs; 153 154 typedef struct AC97LinkState { 155 PCIDevice dev; 156 QEMUSoundCard card; 157 uint32_t use_broken_id; 158 uint32_t glob_cnt; 159 uint32_t glob_sta; 160 uint32_t cas; 161 uint32_t last_samp; 162 AC97BusMasterRegs bm_regs[3]; 163 uint8_t mixer_data[256]; 164 SWVoiceIn *voice_pi; 165 SWVoiceOut *voice_po; 166 SWVoiceIn *voice_mc; 167 int invalid_freq[3]; 168 uint8_t silence[128]; 169 int bup_flag; 170 MemoryRegion io_nam; 171 MemoryRegion io_nabm; 172 } AC97LinkState; 173 174 enum { 175 BUP_SET = 1, 176 BUP_LAST = 2 177 }; 178 179 #ifdef DEBUG_AC97 180 #define dolog(...) AUD_log ("ac97", __VA_ARGS__) 181 #else 182 #define dolog(...) 183 #endif 184 185 #define MKREGS(prefix, start) \ 186 enum { \ 187 prefix ## _BDBAR = start, \ 188 prefix ## _CIV = start + 4, \ 189 prefix ## _LVI = start + 5, \ 190 prefix ## _SR = start + 6, \ 191 prefix ## _PICB = start + 8, \ 192 prefix ## _PIV = start + 10, \ 193 prefix ## _CR = start + 11 \ 194 } 195 196 enum { 197 PI_INDEX = 0, 198 PO_INDEX, 199 MC_INDEX, 200 LAST_INDEX 201 }; 202 203 MKREGS (PI, PI_INDEX * 16); 204 MKREGS (PO, PO_INDEX * 16); 205 MKREGS (MC, MC_INDEX * 16); 206 207 enum { 208 GLOB_CNT = 0x2c, 209 GLOB_STA = 0x30, 210 CAS = 0x34 211 }; 212 213 #define GET_BM(index) (((index) >> 4) & 3) 214 215 static void po_callback (void *opaque, int free); 216 static void pi_callback (void *opaque, int avail); 217 static void mc_callback (void *opaque, int avail); 218 219 static void warm_reset (AC97LinkState *s) 220 { 221 (void) s; 222 } 223 224 static void cold_reset (AC97LinkState * s) 225 { 226 (void) s; 227 } 228 229 static void fetch_bd (AC97LinkState *s, AC97BusMasterRegs *r) 230 { 231 uint8_t b[8]; 232 233 pci_dma_read (&s->dev, r->bdbar + r->civ * 8, b, 8); 234 r->bd_valid = 1; 235 r->bd.addr = le32_to_cpu (*(uint32_t *) &b[0]) & ~3; 236 r->bd.ctl_len = le32_to_cpu (*(uint32_t *) &b[4]); 237 r->picb = r->bd.ctl_len & 0xffff; 238 dolog ("bd %2d addr=%#x ctl=%#06x len=%#x(%d bytes)\n", 239 r->civ, r->bd.addr, r->bd.ctl_len >> 16, 240 r->bd.ctl_len & 0xffff, 241 (r->bd.ctl_len & 0xffff) << 1); 242 } 243 244 static void update_sr (AC97LinkState *s, AC97BusMasterRegs *r, uint32_t new_sr) 245 { 246 int event = 0; 247 int level = 0; 248 uint32_t new_mask = new_sr & SR_INT_MASK; 249 uint32_t old_mask = r->sr & SR_INT_MASK; 250 uint32_t masks[] = {GS_PIINT, GS_POINT, GS_MINT}; 251 252 if (new_mask ^ old_mask) { 253 /** @todo is IRQ deasserted when only one of status bits is cleared? */ 254 if (!new_mask) { 255 event = 1; 256 level = 0; 257 } 258 else { 259 if ((new_mask & SR_LVBCI) && (r->cr & CR_LVBIE)) { 260 event = 1; 261 level = 1; 262 } 263 if ((new_mask & SR_BCIS) && (r->cr & CR_IOCE)) { 264 event = 1; 265 level = 1; 266 } 267 } 268 } 269 270 r->sr = new_sr; 271 272 dolog ("IOC%d LVB%d sr=%#x event=%d level=%d\n", 273 r->sr & SR_BCIS, r->sr & SR_LVBCI, 274 r->sr, 275 event, level); 276 277 if (!event) 278 return; 279 280 if (level) { 281 s->glob_sta |= masks[r - s->bm_regs]; 282 dolog ("set irq level=1\n"); 283 qemu_set_irq (s->dev.irq[0], 1); 284 } 285 else { 286 s->glob_sta &= ~masks[r - s->bm_regs]; 287 dolog ("set irq level=0\n"); 288 qemu_set_irq (s->dev.irq[0], 0); 289 } 290 } 291 292 static void voice_set_active (AC97LinkState *s, int bm_index, int on) 293 { 294 switch (bm_index) { 295 case PI_INDEX: 296 AUD_set_active_in (s->voice_pi, on); 297 break; 298 299 case PO_INDEX: 300 AUD_set_active_out (s->voice_po, on); 301 break; 302 303 case MC_INDEX: 304 AUD_set_active_in (s->voice_mc, on); 305 break; 306 307 default: 308 AUD_log ("ac97", "invalid bm_index(%d) in voice_set_active", bm_index); 309 break; 310 } 311 } 312 313 static void reset_bm_regs (AC97LinkState *s, AC97BusMasterRegs *r) 314 { 315 dolog ("reset_bm_regs\n"); 316 r->bdbar = 0; 317 r->civ = 0; 318 r->lvi = 0; 319 /** todo do we need to do that? */ 320 update_sr (s, r, SR_DCH); 321 r->picb = 0; 322 r->piv = 0; 323 r->cr = r->cr & CR_DONT_CLEAR_MASK; 324 r->bd_valid = 0; 325 326 voice_set_active (s, r - s->bm_regs, 0); 327 memset (s->silence, 0, sizeof (s->silence)); 328 } 329 330 static void mixer_store (AC97LinkState *s, uint32_t i, uint16_t v) 331 { 332 if (i + 2 > sizeof (s->mixer_data)) { 333 dolog ("mixer_store: index %d out of bounds %zd\n", 334 i, sizeof (s->mixer_data)); 335 return; 336 } 337 338 s->mixer_data[i + 0] = v & 0xff; 339 s->mixer_data[i + 1] = v >> 8; 340 } 341 342 static uint16_t mixer_load (AC97LinkState *s, uint32_t i) 343 { 344 uint16_t val = 0xffff; 345 346 if (i + 2 > sizeof (s->mixer_data)) { 347 dolog ("mixer_load: index %d out of bounds %zd\n", 348 i, sizeof (s->mixer_data)); 349 } 350 else { 351 val = s->mixer_data[i + 0] | (s->mixer_data[i + 1] << 8); 352 } 353 354 return val; 355 } 356 357 static void open_voice (AC97LinkState *s, int index, int freq) 358 { 359 struct audsettings as; 360 361 as.freq = freq; 362 as.nchannels = 2; 363 as.fmt = AUD_FMT_S16; 364 as.endianness = 0; 365 366 if (freq > 0) { 367 s->invalid_freq[index] = 0; 368 switch (index) { 369 case PI_INDEX: 370 s->voice_pi = AUD_open_in ( 371 &s->card, 372 s->voice_pi, 373 "ac97.pi", 374 s, 375 pi_callback, 376 &as 377 ); 378 break; 379 380 case PO_INDEX: 381 s->voice_po = AUD_open_out ( 382 &s->card, 383 s->voice_po, 384 "ac97.po", 385 s, 386 po_callback, 387 &as 388 ); 389 break; 390 391 case MC_INDEX: 392 s->voice_mc = AUD_open_in ( 393 &s->card, 394 s->voice_mc, 395 "ac97.mc", 396 s, 397 mc_callback, 398 &as 399 ); 400 break; 401 } 402 } 403 else { 404 s->invalid_freq[index] = freq; 405 switch (index) { 406 case PI_INDEX: 407 AUD_close_in (&s->card, s->voice_pi); 408 s->voice_pi = NULL; 409 break; 410 411 case PO_INDEX: 412 AUD_close_out (&s->card, s->voice_po); 413 s->voice_po = NULL; 414 break; 415 416 case MC_INDEX: 417 AUD_close_in (&s->card, s->voice_mc); 418 s->voice_mc = NULL; 419 break; 420 } 421 } 422 } 423 424 static void reset_voices (AC97LinkState *s, uint8_t active[LAST_INDEX]) 425 { 426 uint16_t freq; 427 428 freq = mixer_load (s, AC97_PCM_LR_ADC_Rate); 429 open_voice (s, PI_INDEX, freq); 430 AUD_set_active_in (s->voice_pi, active[PI_INDEX]); 431 432 freq = mixer_load (s, AC97_PCM_Front_DAC_Rate); 433 open_voice (s, PO_INDEX, freq); 434 AUD_set_active_out (s->voice_po, active[PO_INDEX]); 435 436 freq = mixer_load (s, AC97_MIC_ADC_Rate); 437 open_voice (s, MC_INDEX, freq); 438 AUD_set_active_in (s->voice_mc, active[MC_INDEX]); 439 } 440 441 static void get_volume (uint16_t vol, uint16_t mask, int inverse, 442 int *mute, uint8_t *lvol, uint8_t *rvol) 443 { 444 *mute = (vol >> MUTE_SHIFT) & 1; 445 *rvol = (255 * (vol & mask)) / mask; 446 *lvol = (255 * ((vol >> 8) & mask)) / mask; 447 448 if (inverse) { 449 *rvol = 255 - *rvol; 450 *lvol = 255 - *lvol; 451 } 452 } 453 454 static void update_combined_volume_out (AC97LinkState *s) 455 { 456 uint8_t lvol, rvol, plvol, prvol; 457 int mute, pmute; 458 459 get_volume (mixer_load (s, AC97_Master_Volume_Mute), 0x3f, 1, 460 &mute, &lvol, &rvol); 461 get_volume (mixer_load (s, AC97_PCM_Out_Volume_Mute), 0x1f, 1, 462 &pmute, &plvol, &prvol); 463 464 mute = mute | pmute; 465 lvol = (lvol * plvol) / 255; 466 rvol = (rvol * prvol) / 255; 467 468 AUD_set_volume_out (s->voice_po, mute, lvol, rvol); 469 } 470 471 static void update_volume_in (AC97LinkState *s) 472 { 473 uint8_t lvol, rvol; 474 int mute; 475 476 get_volume (mixer_load (s, AC97_Record_Gain_Mute), 0x0f, 0, 477 &mute, &lvol, &rvol); 478 479 AUD_set_volume_in (s->voice_pi, mute, lvol, rvol); 480 } 481 482 static void set_volume (AC97LinkState *s, int index, uint32_t val) 483 { 484 switch (index) { 485 case AC97_Master_Volume_Mute: 486 val &= 0xbf3f; 487 mixer_store (s, index, val); 488 update_combined_volume_out (s); 489 break; 490 case AC97_PCM_Out_Volume_Mute: 491 val &= 0x9f1f; 492 mixer_store (s, index, val); 493 update_combined_volume_out (s); 494 break; 495 case AC97_Record_Gain_Mute: 496 val &= 0x8f0f; 497 mixer_store (s, index, val); 498 update_volume_in (s); 499 break; 500 } 501 } 502 503 static void record_select (AC97LinkState *s, uint32_t val) 504 { 505 uint8_t rs = val & REC_MASK; 506 uint8_t ls = (val >> 8) & REC_MASK; 507 mixer_store (s, AC97_Record_Select, rs | (ls << 8)); 508 } 509 510 static void mixer_reset (AC97LinkState *s) 511 { 512 uint8_t active[LAST_INDEX]; 513 514 dolog ("mixer_reset\n"); 515 memset (s->mixer_data, 0, sizeof (s->mixer_data)); 516 memset (active, 0, sizeof (active)); 517 mixer_store (s, AC97_Reset , 0x0000); /* 6940 */ 518 mixer_store (s, AC97_Headphone_Volume_Mute , 0x0000); 519 mixer_store (s, AC97_Master_Volume_Mono_Mute , 0x0000); 520 mixer_store (s, AC97_Master_Tone_RL, 0x0000); 521 mixer_store (s, AC97_PC_BEEP_Volume_Mute , 0x0000); 522 mixer_store (s, AC97_Phone_Volume_Mute , 0x0000); 523 mixer_store (s, AC97_Mic_Volume_Mute , 0x0000); 524 mixer_store (s, AC97_Line_In_Volume_Mute , 0x0000); 525 mixer_store (s, AC97_CD_Volume_Mute , 0x0000); 526 mixer_store (s, AC97_Video_Volume_Mute , 0x0000); 527 mixer_store (s, AC97_Aux_Volume_Mute , 0x0000); 528 mixer_store (s, AC97_Record_Gain_Mic_Mute , 0x0000); 529 mixer_store (s, AC97_General_Purpose , 0x0000); 530 mixer_store (s, AC97_3D_Control , 0x0000); 531 mixer_store (s, AC97_Powerdown_Ctrl_Stat , 0x000f); 532 533 /* 534 * Sigmatel 9700 (STAC9700) 535 */ 536 mixer_store (s, AC97_Vendor_ID1 , 0x8384); 537 mixer_store (s, AC97_Vendor_ID2 , 0x7600); /* 7608 */ 538 539 mixer_store (s, AC97_Extended_Audio_ID , 0x0809); 540 mixer_store (s, AC97_Extended_Audio_Ctrl_Stat, 0x0009); 541 mixer_store (s, AC97_PCM_Front_DAC_Rate , 0xbb80); 542 mixer_store (s, AC97_PCM_Surround_DAC_Rate , 0xbb80); 543 mixer_store (s, AC97_PCM_LFE_DAC_Rate , 0xbb80); 544 mixer_store (s, AC97_PCM_LR_ADC_Rate , 0xbb80); 545 mixer_store (s, AC97_MIC_ADC_Rate , 0xbb80); 546 547 record_select (s, 0); 548 set_volume (s, AC97_Master_Volume_Mute, 0x8000); 549 set_volume (s, AC97_PCM_Out_Volume_Mute, 0x8808); 550 set_volume (s, AC97_Record_Gain_Mute, 0x8808); 551 552 reset_voices (s, active); 553 } 554 555 /** 556 * Native audio mixer 557 * I/O Reads 558 */ 559 static uint32_t nam_readb (void *opaque, uint32_t addr) 560 { 561 AC97LinkState *s = opaque; 562 dolog ("U nam readb %#x\n", addr); 563 s->cas = 0; 564 return ~0U; 565 } 566 567 static uint32_t nam_readw (void *opaque, uint32_t addr) 568 { 569 AC97LinkState *s = opaque; 570 uint32_t val = ~0U; 571 uint32_t index = addr; 572 s->cas = 0; 573 val = mixer_load (s, index); 574 return val; 575 } 576 577 static uint32_t nam_readl (void *opaque, uint32_t addr) 578 { 579 AC97LinkState *s = opaque; 580 dolog ("U nam readl %#x\n", addr); 581 s->cas = 0; 582 return ~0U; 583 } 584 585 /** 586 * Native audio mixer 587 * I/O Writes 588 */ 589 static void nam_writeb (void *opaque, uint32_t addr, uint32_t val) 590 { 591 AC97LinkState *s = opaque; 592 dolog ("U nam writeb %#x <- %#x\n", addr, val); 593 s->cas = 0; 594 } 595 596 static void nam_writew (void *opaque, uint32_t addr, uint32_t val) 597 { 598 AC97LinkState *s = opaque; 599 uint32_t index = addr; 600 s->cas = 0; 601 switch (index) { 602 case AC97_Reset: 603 mixer_reset (s); 604 break; 605 case AC97_Powerdown_Ctrl_Stat: 606 val &= ~0x800f; 607 val |= mixer_load (s, index) & 0xf; 608 mixer_store (s, index, val); 609 break; 610 case AC97_PCM_Out_Volume_Mute: 611 case AC97_Master_Volume_Mute: 612 case AC97_Record_Gain_Mute: 613 set_volume (s, index, val); 614 break; 615 case AC97_Record_Select: 616 record_select (s, val); 617 break; 618 case AC97_Vendor_ID1: 619 case AC97_Vendor_ID2: 620 dolog ("Attempt to write vendor ID to %#x\n", val); 621 break; 622 case AC97_Extended_Audio_ID: 623 dolog ("Attempt to write extended audio ID to %#x\n", val); 624 break; 625 case AC97_Extended_Audio_Ctrl_Stat: 626 if (!(val & EACS_VRA)) { 627 mixer_store (s, AC97_PCM_Front_DAC_Rate, 0xbb80); 628 mixer_store (s, AC97_PCM_LR_ADC_Rate, 0xbb80); 629 open_voice (s, PI_INDEX, 48000); 630 open_voice (s, PO_INDEX, 48000); 631 } 632 if (!(val & EACS_VRM)) { 633 mixer_store (s, AC97_MIC_ADC_Rate, 0xbb80); 634 open_voice (s, MC_INDEX, 48000); 635 } 636 dolog ("Setting extended audio control to %#x\n", val); 637 mixer_store (s, AC97_Extended_Audio_Ctrl_Stat, val); 638 break; 639 case AC97_PCM_Front_DAC_Rate: 640 if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRA) { 641 mixer_store (s, index, val); 642 dolog ("Set front DAC rate to %d\n", val); 643 open_voice (s, PO_INDEX, val); 644 } 645 else { 646 dolog ("Attempt to set front DAC rate to %d, " 647 "but VRA is not set\n", 648 val); 649 } 650 break; 651 case AC97_MIC_ADC_Rate: 652 if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRM) { 653 mixer_store (s, index, val); 654 dolog ("Set MIC ADC rate to %d\n", val); 655 open_voice (s, MC_INDEX, val); 656 } 657 else { 658 dolog ("Attempt to set MIC ADC rate to %d, " 659 "but VRM is not set\n", 660 val); 661 } 662 break; 663 case AC97_PCM_LR_ADC_Rate: 664 if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRA) { 665 mixer_store (s, index, val); 666 dolog ("Set front LR ADC rate to %d\n", val); 667 open_voice (s, PI_INDEX, val); 668 } 669 else { 670 dolog ("Attempt to set LR ADC rate to %d, but VRA is not set\n", 671 val); 672 } 673 break; 674 case AC97_Headphone_Volume_Mute: 675 case AC97_Master_Volume_Mono_Mute: 676 case AC97_Master_Tone_RL: 677 case AC97_PC_BEEP_Volume_Mute: 678 case AC97_Phone_Volume_Mute: 679 case AC97_Mic_Volume_Mute: 680 case AC97_Line_In_Volume_Mute: 681 case AC97_CD_Volume_Mute: 682 case AC97_Video_Volume_Mute: 683 case AC97_Aux_Volume_Mute: 684 case AC97_Record_Gain_Mic_Mute: 685 case AC97_General_Purpose: 686 case AC97_3D_Control: 687 case AC97_Sigmatel_Analog: 688 case AC97_Sigmatel_Dac2Invert: 689 /* None of the features in these regs are emulated, so they are RO */ 690 break; 691 default: 692 dolog ("U nam writew %#x <- %#x\n", addr, val); 693 mixer_store (s, index, val); 694 break; 695 } 696 } 697 698 static void nam_writel (void *opaque, uint32_t addr, uint32_t val) 699 { 700 AC97LinkState *s = opaque; 701 dolog ("U nam writel %#x <- %#x\n", addr, val); 702 s->cas = 0; 703 } 704 705 /** 706 * Native audio bus master 707 * I/O Reads 708 */ 709 static uint32_t nabm_readb (void *opaque, uint32_t addr) 710 { 711 AC97LinkState *s = opaque; 712 AC97BusMasterRegs *r = NULL; 713 uint32_t index = addr; 714 uint32_t val = ~0U; 715 716 switch (index) { 717 case CAS: 718 dolog ("CAS %d\n", s->cas); 719 val = s->cas; 720 s->cas = 1; 721 break; 722 case PI_CIV: 723 case PO_CIV: 724 case MC_CIV: 725 r = &s->bm_regs[GET_BM (index)]; 726 val = r->civ; 727 dolog ("CIV[%d] -> %#x\n", GET_BM (index), val); 728 break; 729 case PI_LVI: 730 case PO_LVI: 731 case MC_LVI: 732 r = &s->bm_regs[GET_BM (index)]; 733 val = r->lvi; 734 dolog ("LVI[%d] -> %#x\n", GET_BM (index), val); 735 break; 736 case PI_PIV: 737 case PO_PIV: 738 case MC_PIV: 739 r = &s->bm_regs[GET_BM (index)]; 740 val = r->piv; 741 dolog ("PIV[%d] -> %#x\n", GET_BM (index), val); 742 break; 743 case PI_CR: 744 case PO_CR: 745 case MC_CR: 746 r = &s->bm_regs[GET_BM (index)]; 747 val = r->cr; 748 dolog ("CR[%d] -> %#x\n", GET_BM (index), val); 749 break; 750 case PI_SR: 751 case PO_SR: 752 case MC_SR: 753 r = &s->bm_regs[GET_BM (index)]; 754 val = r->sr & 0xff; 755 dolog ("SRb[%d] -> %#x\n", GET_BM (index), val); 756 break; 757 default: 758 dolog ("U nabm readb %#x -> %#x\n", addr, val); 759 break; 760 } 761 return val; 762 } 763 764 static uint32_t nabm_readw (void *opaque, uint32_t addr) 765 { 766 AC97LinkState *s = opaque; 767 AC97BusMasterRegs *r = NULL; 768 uint32_t index = addr; 769 uint32_t val = ~0U; 770 771 switch (index) { 772 case PI_SR: 773 case PO_SR: 774 case MC_SR: 775 r = &s->bm_regs[GET_BM (index)]; 776 val = r->sr; 777 dolog ("SR[%d] -> %#x\n", GET_BM (index), val); 778 break; 779 case PI_PICB: 780 case PO_PICB: 781 case MC_PICB: 782 r = &s->bm_regs[GET_BM (index)]; 783 val = r->picb; 784 dolog ("PICB[%d] -> %#x\n", GET_BM (index), val); 785 break; 786 default: 787 dolog ("U nabm readw %#x -> %#x\n", addr, val); 788 break; 789 } 790 return val; 791 } 792 793 static uint32_t nabm_readl (void *opaque, uint32_t addr) 794 { 795 AC97LinkState *s = opaque; 796 AC97BusMasterRegs *r = NULL; 797 uint32_t index = addr; 798 uint32_t val = ~0U; 799 800 switch (index) { 801 case PI_BDBAR: 802 case PO_BDBAR: 803 case MC_BDBAR: 804 r = &s->bm_regs[GET_BM (index)]; 805 val = r->bdbar; 806 dolog ("BMADDR[%d] -> %#x\n", GET_BM (index), val); 807 break; 808 case PI_CIV: 809 case PO_CIV: 810 case MC_CIV: 811 r = &s->bm_regs[GET_BM (index)]; 812 val = r->civ | (r->lvi << 8) | (r->sr << 16); 813 dolog ("CIV LVI SR[%d] -> %#x, %#x, %#x\n", GET_BM (index), 814 r->civ, r->lvi, r->sr); 815 break; 816 case PI_PICB: 817 case PO_PICB: 818 case MC_PICB: 819 r = &s->bm_regs[GET_BM (index)]; 820 val = r->picb | (r->piv << 16) | (r->cr << 24); 821 dolog ("PICB PIV CR[%d] -> %#x %#x %#x %#x\n", GET_BM (index), 822 val, r->picb, r->piv, r->cr); 823 break; 824 case GLOB_CNT: 825 val = s->glob_cnt; 826 dolog ("glob_cnt -> %#x\n", val); 827 break; 828 case GLOB_STA: 829 val = s->glob_sta | GS_S0CR; 830 dolog ("glob_sta -> %#x\n", val); 831 break; 832 default: 833 dolog ("U nabm readl %#x -> %#x\n", addr, val); 834 break; 835 } 836 return val; 837 } 838 839 /** 840 * Native audio bus master 841 * I/O Writes 842 */ 843 static void nabm_writeb (void *opaque, uint32_t addr, uint32_t val) 844 { 845 AC97LinkState *s = opaque; 846 AC97BusMasterRegs *r = NULL; 847 uint32_t index = addr; 848 switch (index) { 849 case PI_LVI: 850 case PO_LVI: 851 case MC_LVI: 852 r = &s->bm_regs[GET_BM (index)]; 853 if ((r->cr & CR_RPBM) && (r->sr & SR_DCH)) { 854 r->sr &= ~(SR_DCH | SR_CELV); 855 r->civ = r->piv; 856 r->piv = (r->piv + 1) % 32; 857 fetch_bd (s, r); 858 } 859 r->lvi = val % 32; 860 dolog ("LVI[%d] <- %#x\n", GET_BM (index), val); 861 break; 862 case PI_CR: 863 case PO_CR: 864 case MC_CR: 865 r = &s->bm_regs[GET_BM (index)]; 866 if (val & CR_RR) { 867 reset_bm_regs (s, r); 868 } 869 else { 870 r->cr = val & CR_VALID_MASK; 871 if (!(r->cr & CR_RPBM)) { 872 voice_set_active (s, r - s->bm_regs, 0); 873 r->sr |= SR_DCH; 874 } 875 else { 876 r->civ = r->piv; 877 r->piv = (r->piv + 1) % 32; 878 fetch_bd (s, r); 879 r->sr &= ~SR_DCH; 880 voice_set_active (s, r - s->bm_regs, 1); 881 } 882 } 883 dolog ("CR[%d] <- %#x (cr %#x)\n", GET_BM (index), val, r->cr); 884 break; 885 case PI_SR: 886 case PO_SR: 887 case MC_SR: 888 r = &s->bm_regs[GET_BM (index)]; 889 r->sr |= val & ~(SR_RO_MASK | SR_WCLEAR_MASK); 890 update_sr (s, r, r->sr & ~(val & SR_WCLEAR_MASK)); 891 dolog ("SR[%d] <- %#x (sr %#x)\n", GET_BM (index), val, r->sr); 892 break; 893 default: 894 dolog ("U nabm writeb %#x <- %#x\n", addr, val); 895 break; 896 } 897 } 898 899 static void nabm_writew (void *opaque, uint32_t addr, uint32_t val) 900 { 901 AC97LinkState *s = opaque; 902 AC97BusMasterRegs *r = NULL; 903 uint32_t index = addr; 904 switch (index) { 905 case PI_SR: 906 case PO_SR: 907 case MC_SR: 908 r = &s->bm_regs[GET_BM (index)]; 909 r->sr |= val & ~(SR_RO_MASK | SR_WCLEAR_MASK); 910 update_sr (s, r, r->sr & ~(val & SR_WCLEAR_MASK)); 911 dolog ("SR[%d] <- %#x (sr %#x)\n", GET_BM (index), val, r->sr); 912 break; 913 default: 914 dolog ("U nabm writew %#x <- %#x\n", addr, val); 915 break; 916 } 917 } 918 919 static void nabm_writel (void *opaque, uint32_t addr, uint32_t val) 920 { 921 AC97LinkState *s = opaque; 922 AC97BusMasterRegs *r = NULL; 923 uint32_t index = addr; 924 switch (index) { 925 case PI_BDBAR: 926 case PO_BDBAR: 927 case MC_BDBAR: 928 r = &s->bm_regs[GET_BM (index)]; 929 r->bdbar = val & ~3; 930 dolog ("BDBAR[%d] <- %#x (bdbar %#x)\n", 931 GET_BM (index), val, r->bdbar); 932 break; 933 case GLOB_CNT: 934 if (val & GC_WR) 935 warm_reset (s); 936 if (val & GC_CR) 937 cold_reset (s); 938 if (!(val & (GC_WR | GC_CR))) 939 s->glob_cnt = val & GC_VALID_MASK; 940 dolog ("glob_cnt <- %#x (glob_cnt %#x)\n", val, s->glob_cnt); 941 break; 942 case GLOB_STA: 943 s->glob_sta &= ~(val & GS_WCLEAR_MASK); 944 s->glob_sta |= (val & ~(GS_WCLEAR_MASK | GS_RO_MASK)) & GS_VALID_MASK; 945 dolog ("glob_sta <- %#x (glob_sta %#x)\n", val, s->glob_sta); 946 break; 947 default: 948 dolog ("U nabm writel %#x <- %#x\n", addr, val); 949 break; 950 } 951 } 952 953 static int write_audio (AC97LinkState *s, AC97BusMasterRegs *r, 954 int max, int *stop) 955 { 956 uint8_t tmpbuf[4096]; 957 uint32_t addr = r->bd.addr; 958 uint32_t temp = r->picb << 1; 959 uint32_t written = 0; 960 int to_copy = 0; 961 temp = audio_MIN (temp, max); 962 963 if (!temp) { 964 *stop = 1; 965 return 0; 966 } 967 968 while (temp) { 969 int copied; 970 to_copy = audio_MIN (temp, sizeof (tmpbuf)); 971 pci_dma_read (&s->dev, addr, tmpbuf, to_copy); 972 copied = AUD_write (s->voice_po, tmpbuf, to_copy); 973 dolog ("write_audio max=%x to_copy=%x copied=%x\n", 974 max, to_copy, copied); 975 if (!copied) { 976 *stop = 1; 977 break; 978 } 979 temp -= copied; 980 addr += copied; 981 written += copied; 982 } 983 984 if (!temp) { 985 if (to_copy < 4) { 986 dolog ("whoops\n"); 987 s->last_samp = 0; 988 } 989 else { 990 s->last_samp = *(uint32_t *) &tmpbuf[to_copy - 4]; 991 } 992 } 993 994 r->bd.addr = addr; 995 return written; 996 } 997 998 static void write_bup (AC97LinkState *s, int elapsed) 999 { 1000 dolog ("write_bup\n"); 1001 if (!(s->bup_flag & BUP_SET)) { 1002 if (s->bup_flag & BUP_LAST) { 1003 int i; 1004 uint8_t *p = s->silence; 1005 for (i = 0; i < sizeof (s->silence) / 4; i++, p += 4) { 1006 *(uint32_t *) p = s->last_samp; 1007 } 1008 } 1009 else { 1010 memset (s->silence, 0, sizeof (s->silence)); 1011 } 1012 s->bup_flag |= BUP_SET; 1013 } 1014 1015 while (elapsed) { 1016 int temp = audio_MIN (elapsed, sizeof (s->silence)); 1017 while (temp) { 1018 int copied = AUD_write (s->voice_po, s->silence, temp); 1019 if (!copied) 1020 return; 1021 temp -= copied; 1022 elapsed -= copied; 1023 } 1024 } 1025 } 1026 1027 static int read_audio (AC97LinkState *s, AC97BusMasterRegs *r, 1028 int max, int *stop) 1029 { 1030 uint8_t tmpbuf[4096]; 1031 uint32_t addr = r->bd.addr; 1032 uint32_t temp = r->picb << 1; 1033 uint32_t nread = 0; 1034 int to_copy = 0; 1035 SWVoiceIn *voice = (r - s->bm_regs) == MC_INDEX ? s->voice_mc : s->voice_pi; 1036 1037 temp = audio_MIN (temp, max); 1038 1039 if (!temp) { 1040 *stop = 1; 1041 return 0; 1042 } 1043 1044 while (temp) { 1045 int acquired; 1046 to_copy = audio_MIN (temp, sizeof (tmpbuf)); 1047 acquired = AUD_read (voice, tmpbuf, to_copy); 1048 if (!acquired) { 1049 *stop = 1; 1050 break; 1051 } 1052 pci_dma_write (&s->dev, addr, tmpbuf, acquired); 1053 temp -= acquired; 1054 addr += acquired; 1055 nread += acquired; 1056 } 1057 1058 r->bd.addr = addr; 1059 return nread; 1060 } 1061 1062 static void transfer_audio (AC97LinkState *s, int index, int elapsed) 1063 { 1064 AC97BusMasterRegs *r = &s->bm_regs[index]; 1065 int stop = 0; 1066 1067 if (s->invalid_freq[index]) { 1068 AUD_log ("ac97", "attempt to use voice %d with invalid frequency %d\n", 1069 index, s->invalid_freq[index]); 1070 return; 1071 } 1072 1073 if (r->sr & SR_DCH) { 1074 if (r->cr & CR_RPBM) { 1075 switch (index) { 1076 case PO_INDEX: 1077 write_bup (s, elapsed); 1078 break; 1079 } 1080 } 1081 return; 1082 } 1083 1084 while ((elapsed >> 1) && !stop) { 1085 int temp; 1086 1087 if (!r->bd_valid) { 1088 dolog ("invalid bd\n"); 1089 fetch_bd (s, r); 1090 } 1091 1092 if (!r->picb) { 1093 dolog ("fresh bd %d is empty %#x %#x\n", 1094 r->civ, r->bd.addr, r->bd.ctl_len); 1095 if (r->civ == r->lvi) { 1096 r->sr |= SR_DCH; /* CELV? */ 1097 s->bup_flag = 0; 1098 break; 1099 } 1100 r->sr &= ~SR_CELV; 1101 r->civ = r->piv; 1102 r->piv = (r->piv + 1) % 32; 1103 fetch_bd (s, r); 1104 return; 1105 } 1106 1107 switch (index) { 1108 case PO_INDEX: 1109 temp = write_audio (s, r, elapsed, &stop); 1110 elapsed -= temp; 1111 r->picb -= (temp >> 1); 1112 break; 1113 1114 case PI_INDEX: 1115 case MC_INDEX: 1116 temp = read_audio (s, r, elapsed, &stop); 1117 elapsed -= temp; 1118 r->picb -= (temp >> 1); 1119 break; 1120 } 1121 1122 if (!r->picb) { 1123 uint32_t new_sr = r->sr & ~SR_CELV; 1124 1125 if (r->bd.ctl_len & BD_IOC) { 1126 new_sr |= SR_BCIS; 1127 } 1128 1129 if (r->civ == r->lvi) { 1130 dolog ("Underrun civ (%d) == lvi (%d)\n", r->civ, r->lvi); 1131 1132 new_sr |= SR_LVBCI | SR_DCH | SR_CELV; 1133 stop = 1; 1134 s->bup_flag = (r->bd.ctl_len & BD_BUP) ? BUP_LAST : 0; 1135 } 1136 else { 1137 r->civ = r->piv; 1138 r->piv = (r->piv + 1) % 32; 1139 fetch_bd (s, r); 1140 } 1141 1142 update_sr (s, r, new_sr); 1143 } 1144 } 1145 } 1146 1147 static void pi_callback (void *opaque, int avail) 1148 { 1149 transfer_audio (opaque, PI_INDEX, avail); 1150 } 1151 1152 static void mc_callback (void *opaque, int avail) 1153 { 1154 transfer_audio (opaque, MC_INDEX, avail); 1155 } 1156 1157 static void po_callback (void *opaque, int free) 1158 { 1159 transfer_audio (opaque, PO_INDEX, free); 1160 } 1161 1162 static const VMStateDescription vmstate_ac97_bm_regs = { 1163 .name = "ac97_bm_regs", 1164 .version_id = 1, 1165 .minimum_version_id = 1, 1166 .minimum_version_id_old = 1, 1167 .fields = (VMStateField []) { 1168 VMSTATE_UINT32 (bdbar, AC97BusMasterRegs), 1169 VMSTATE_UINT8 (civ, AC97BusMasterRegs), 1170 VMSTATE_UINT8 (lvi, AC97BusMasterRegs), 1171 VMSTATE_UINT16 (sr, AC97BusMasterRegs), 1172 VMSTATE_UINT16 (picb, AC97BusMasterRegs), 1173 VMSTATE_UINT8 (piv, AC97BusMasterRegs), 1174 VMSTATE_UINT8 (cr, AC97BusMasterRegs), 1175 VMSTATE_UINT32 (bd_valid, AC97BusMasterRegs), 1176 VMSTATE_UINT32 (bd.addr, AC97BusMasterRegs), 1177 VMSTATE_UINT32 (bd.ctl_len, AC97BusMasterRegs), 1178 VMSTATE_END_OF_LIST () 1179 } 1180 }; 1181 1182 static int ac97_post_load (void *opaque, int version_id) 1183 { 1184 uint8_t active[LAST_INDEX]; 1185 AC97LinkState *s = opaque; 1186 1187 record_select (s, mixer_load (s, AC97_Record_Select)); 1188 set_volume (s, AC97_Master_Volume_Mute, 1189 mixer_load (s, AC97_Master_Volume_Mute)); 1190 set_volume (s, AC97_PCM_Out_Volume_Mute, 1191 mixer_load (s, AC97_PCM_Out_Volume_Mute)); 1192 set_volume (s, AC97_Record_Gain_Mute, 1193 mixer_load (s, AC97_Record_Gain_Mute)); 1194 1195 active[PI_INDEX] = !!(s->bm_regs[PI_INDEX].cr & CR_RPBM); 1196 active[PO_INDEX] = !!(s->bm_regs[PO_INDEX].cr & CR_RPBM); 1197 active[MC_INDEX] = !!(s->bm_regs[MC_INDEX].cr & CR_RPBM); 1198 reset_voices (s, active); 1199 1200 s->bup_flag = 0; 1201 s->last_samp = 0; 1202 return 0; 1203 } 1204 1205 static bool is_version_2 (void *opaque, int version_id) 1206 { 1207 return version_id == 2; 1208 } 1209 1210 static const VMStateDescription vmstate_ac97 = { 1211 .name = "ac97", 1212 .version_id = 3, 1213 .minimum_version_id = 2, 1214 .minimum_version_id_old = 2, 1215 .post_load = ac97_post_load, 1216 .fields = (VMStateField []) { 1217 VMSTATE_PCI_DEVICE (dev, AC97LinkState), 1218 VMSTATE_UINT32 (glob_cnt, AC97LinkState), 1219 VMSTATE_UINT32 (glob_sta, AC97LinkState), 1220 VMSTATE_UINT32 (cas, AC97LinkState), 1221 VMSTATE_STRUCT_ARRAY (bm_regs, AC97LinkState, 3, 1, 1222 vmstate_ac97_bm_regs, AC97BusMasterRegs), 1223 VMSTATE_BUFFER (mixer_data, AC97LinkState), 1224 VMSTATE_UNUSED_TEST (is_version_2, 3), 1225 VMSTATE_END_OF_LIST () 1226 } 1227 }; 1228 1229 static uint64_t nam_read(void *opaque, hwaddr addr, unsigned size) 1230 { 1231 if ((addr / size) > 256) { 1232 return -1; 1233 } 1234 1235 switch (size) { 1236 case 1: 1237 return nam_readb(opaque, addr); 1238 case 2: 1239 return nam_readw(opaque, addr); 1240 case 4: 1241 return nam_readl(opaque, addr); 1242 default: 1243 return -1; 1244 } 1245 } 1246 1247 static void nam_write(void *opaque, hwaddr addr, uint64_t val, 1248 unsigned size) 1249 { 1250 if ((addr / size) > 256) { 1251 return; 1252 } 1253 1254 switch (size) { 1255 case 1: 1256 nam_writeb(opaque, addr, val); 1257 break; 1258 case 2: 1259 nam_writew(opaque, addr, val); 1260 break; 1261 case 4: 1262 nam_writel(opaque, addr, val); 1263 break; 1264 } 1265 } 1266 1267 static const MemoryRegionOps ac97_io_nam_ops = { 1268 .read = nam_read, 1269 .write = nam_write, 1270 .impl = { 1271 .min_access_size = 1, 1272 .max_access_size = 4, 1273 }, 1274 .endianness = DEVICE_LITTLE_ENDIAN, 1275 }; 1276 1277 static uint64_t nabm_read(void *opaque, hwaddr addr, unsigned size) 1278 { 1279 if ((addr / size) > 64) { 1280 return -1; 1281 } 1282 1283 switch (size) { 1284 case 1: 1285 return nabm_readb(opaque, addr); 1286 case 2: 1287 return nabm_readw(opaque, addr); 1288 case 4: 1289 return nabm_readl(opaque, addr); 1290 default: 1291 return -1; 1292 } 1293 } 1294 1295 static void nabm_write(void *opaque, hwaddr addr, uint64_t val, 1296 unsigned size) 1297 { 1298 if ((addr / size) > 64) { 1299 return; 1300 } 1301 1302 switch (size) { 1303 case 1: 1304 nabm_writeb(opaque, addr, val); 1305 break; 1306 case 2: 1307 nabm_writew(opaque, addr, val); 1308 break; 1309 case 4: 1310 nabm_writel(opaque, addr, val); 1311 break; 1312 } 1313 } 1314 1315 1316 static const MemoryRegionOps ac97_io_nabm_ops = { 1317 .read = nabm_read, 1318 .write = nabm_write, 1319 .impl = { 1320 .min_access_size = 1, 1321 .max_access_size = 4, 1322 }, 1323 .endianness = DEVICE_LITTLE_ENDIAN, 1324 }; 1325 1326 static void ac97_on_reset (void *opaque) 1327 { 1328 AC97LinkState *s = opaque; 1329 1330 reset_bm_regs (s, &s->bm_regs[0]); 1331 reset_bm_regs (s, &s->bm_regs[1]); 1332 reset_bm_regs (s, &s->bm_regs[2]); 1333 1334 /* 1335 * Reset the mixer too. The Windows XP driver seems to rely on 1336 * this. At least it wants to read the vendor id before it resets 1337 * the codec manually. 1338 */ 1339 mixer_reset (s); 1340 } 1341 1342 static int ac97_initfn (PCIDevice *dev) 1343 { 1344 AC97LinkState *s = DO_UPCAST (AC97LinkState, dev, dev); 1345 uint8_t *c = s->dev.config; 1346 1347 /* TODO: no need to override */ 1348 c[PCI_COMMAND] = 0x00; /* pcicmd pci command rw, ro */ 1349 c[PCI_COMMAND + 1] = 0x00; 1350 1351 /* TODO: */ 1352 c[PCI_STATUS] = PCI_STATUS_FAST_BACK; /* pcists pci status rwc, ro */ 1353 c[PCI_STATUS + 1] = PCI_STATUS_DEVSEL_MEDIUM >> 8; 1354 1355 c[PCI_CLASS_PROG] = 0x00; /* pi programming interface ro */ 1356 1357 /* TODO set when bar is registered. no need to override. */ 1358 /* nabmar native audio mixer base address rw */ 1359 c[PCI_BASE_ADDRESS_0] = PCI_BASE_ADDRESS_SPACE_IO; 1360 c[PCI_BASE_ADDRESS_0 + 1] = 0x00; 1361 c[PCI_BASE_ADDRESS_0 + 2] = 0x00; 1362 c[PCI_BASE_ADDRESS_0 + 3] = 0x00; 1363 1364 /* TODO set when bar is registered. no need to override. */ 1365 /* nabmbar native audio bus mastering base address rw */ 1366 c[PCI_BASE_ADDRESS_0 + 4] = PCI_BASE_ADDRESS_SPACE_IO; 1367 c[PCI_BASE_ADDRESS_0 + 5] = 0x00; 1368 c[PCI_BASE_ADDRESS_0 + 6] = 0x00; 1369 c[PCI_BASE_ADDRESS_0 + 7] = 0x00; 1370 1371 if (s->use_broken_id) { 1372 c[PCI_SUBSYSTEM_VENDOR_ID] = 0x86; 1373 c[PCI_SUBSYSTEM_VENDOR_ID + 1] = 0x80; 1374 c[PCI_SUBSYSTEM_ID] = 0x00; 1375 c[PCI_SUBSYSTEM_ID + 1] = 0x00; 1376 } 1377 1378 c[PCI_INTERRUPT_LINE] = 0x00; /* intr_ln interrupt line rw */ 1379 c[PCI_INTERRUPT_PIN] = 0x01; /* intr_pn interrupt pin ro */ 1380 1381 memory_region_init_io (&s->io_nam, &ac97_io_nam_ops, s, "ac97-nam", 1024); 1382 memory_region_init_io (&s->io_nabm, &ac97_io_nabm_ops, s, "ac97-nabm", 256); 1383 pci_register_bar (&s->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io_nam); 1384 pci_register_bar (&s->dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->io_nabm); 1385 qemu_register_reset (ac97_on_reset, s); 1386 AUD_register_card ("ac97", &s->card); 1387 ac97_on_reset (s); 1388 return 0; 1389 } 1390 1391 static void ac97_exitfn (PCIDevice *dev) 1392 { 1393 AC97LinkState *s = DO_UPCAST (AC97LinkState, dev, dev); 1394 1395 memory_region_destroy (&s->io_nam); 1396 memory_region_destroy (&s->io_nabm); 1397 } 1398 1399 int ac97_init (PCIBus *bus) 1400 { 1401 pci_create_simple (bus, -1, "AC97"); 1402 return 0; 1403 } 1404 1405 static Property ac97_properties[] = { 1406 DEFINE_PROP_UINT32 ("use_broken_id", AC97LinkState, use_broken_id, 0), 1407 DEFINE_PROP_END_OF_LIST (), 1408 }; 1409 1410 static void ac97_class_init (ObjectClass *klass, void *data) 1411 { 1412 DeviceClass *dc = DEVICE_CLASS (klass); 1413 PCIDeviceClass *k = PCI_DEVICE_CLASS (klass); 1414 1415 k->init = ac97_initfn; 1416 k->exit = ac97_exitfn; 1417 k->vendor_id = PCI_VENDOR_ID_INTEL; 1418 k->device_id = PCI_DEVICE_ID_INTEL_82801AA_5; 1419 k->revision = 0x01; 1420 k->class_id = PCI_CLASS_MULTIMEDIA_AUDIO; 1421 dc->desc = "Intel 82801AA AC97 Audio"; 1422 dc->vmsd = &vmstate_ac97; 1423 dc->props = ac97_properties; 1424 } 1425 1426 static const TypeInfo ac97_info = { 1427 .name = "AC97", 1428 .parent = TYPE_PCI_DEVICE, 1429 .instance_size = sizeof (AC97LinkState), 1430 .class_init = ac97_class_init, 1431 }; 1432 1433 static void ac97_register_types (void) 1434 { 1435 type_register_static (&ac97_info); 1436 } 1437 1438 type_init (ac97_register_types) 1439