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 "qemu/osdep.h" 21 #include "hw/audio/soundhw.h" 22 #include "audio/audio.h" 23 #include "hw/pci/pci_device.h" 24 #include "hw/qdev-properties.h" 25 #include "migration/vmstate.h" 26 #include "qemu/module.h" 27 #include "sysemu/dma.h" 28 #include "qom/object.h" 29 #include "ac97.h" 30 31 #define SOFT_VOLUME 32 #define SR_FIFOE 16 /* rwc */ 33 #define SR_BCIS 8 /* rwc */ 34 #define SR_LVBCI 4 /* rwc */ 35 #define SR_CELV 2 /* ro */ 36 #define SR_DCH 1 /* ro */ 37 #define SR_VALID_MASK ((1 << 5) - 1) 38 #define SR_WCLEAR_MASK (SR_FIFOE | SR_BCIS | SR_LVBCI) 39 #define SR_RO_MASK (SR_DCH | SR_CELV) 40 #define SR_INT_MASK (SR_FIFOE | SR_BCIS | SR_LVBCI) 41 42 #define CR_IOCE 16 /* rw */ 43 #define CR_FEIE 8 /* rw */ 44 #define CR_LVBIE 4 /* rw */ 45 #define CR_RR 2 /* rw */ 46 #define CR_RPBM 1 /* rw */ 47 #define CR_VALID_MASK ((1 << 5) - 1) 48 #define CR_DONT_CLEAR_MASK (CR_IOCE | CR_FEIE | CR_LVBIE) 49 50 #define GC_WR 4 /* rw */ 51 #define GC_CR 2 /* rw */ 52 #define GC_VALID_MASK ((1 << 6) - 1) 53 54 #define GS_MD3 (1 << 17) /* rw */ 55 #define GS_AD3 (1 << 16) /* rw */ 56 #define GS_RCS (1 << 15) /* rwc */ 57 #define GS_B3S12 (1 << 14) /* ro */ 58 #define GS_B2S12 (1 << 13) /* ro */ 59 #define GS_B1S12 (1 << 12) /* ro */ 60 #define GS_S1R1 (1 << 11) /* rwc */ 61 #define GS_S0R1 (1 << 10) /* rwc */ 62 #define GS_S1CR (1 << 9) /* ro */ 63 #define GS_S0CR (1 << 8) /* ro */ 64 #define GS_MINT (1 << 7) /* ro */ 65 #define GS_POINT (1 << 6) /* ro */ 66 #define GS_PIINT (1 << 5) /* ro */ 67 #define GS_RSRVD ((1 << 4) | (1 << 3)) 68 #define GS_MOINT (1 << 2) /* ro */ 69 #define GS_MIINT (1 << 1) /* ro */ 70 #define GS_GSCI 1 /* rwc */ 71 #define GS_RO_MASK (GS_B3S12 | \ 72 GS_B2S12 | \ 73 GS_B1S12 | \ 74 GS_S1CR | \ 75 GS_S0CR | \ 76 GS_MINT | \ 77 GS_POINT | \ 78 GS_PIINT | \ 79 GS_RSRVD | \ 80 GS_MOINT | \ 81 GS_MIINT) 82 #define GS_VALID_MASK ((1 << 18) - 1) 83 #define GS_WCLEAR_MASK (GS_RCS | GS_S1R1 | GS_S0R1 | GS_GSCI) 84 85 #define BD_IOC (1 << 31) 86 #define BD_BUP (1 << 30) 87 88 #define TYPE_AC97 "AC97" 89 OBJECT_DECLARE_SIMPLE_TYPE(AC97LinkState, AC97) 90 91 #define REC_MASK 7 92 enum { 93 REC_MIC = 0, 94 REC_CD, 95 REC_VIDEO, 96 REC_AUX, 97 REC_LINE_IN, 98 REC_STEREO_MIX, 99 REC_MONO_MIX, 100 REC_PHONE 101 }; 102 103 typedef struct BD { 104 uint32_t addr; 105 uint32_t ctl_len; 106 } BD; 107 108 typedef struct AC97BusMasterRegs { 109 uint32_t bdbar; /* rw 0 */ 110 uint8_t civ; /* ro 0 */ 111 uint8_t lvi; /* rw 0 */ 112 uint16_t sr; /* rw 1 */ 113 uint16_t picb; /* ro 0 */ 114 uint8_t piv; /* ro 0 */ 115 uint8_t cr; /* rw 0 */ 116 unsigned int bd_valid; 117 BD bd; 118 } AC97BusMasterRegs; 119 120 struct AC97LinkState { 121 PCIDevice dev; 122 QEMUSoundCard card; 123 uint32_t glob_cnt; 124 uint32_t glob_sta; 125 uint32_t cas; 126 uint32_t last_samp; 127 AC97BusMasterRegs bm_regs[3]; 128 uint8_t mixer_data[256]; 129 SWVoiceIn *voice_pi; 130 SWVoiceOut *voice_po; 131 SWVoiceIn *voice_mc; 132 int invalid_freq[3]; 133 uint8_t silence[128]; 134 int bup_flag; 135 MemoryRegion io_nam; 136 MemoryRegion io_nabm; 137 }; 138 139 enum { 140 BUP_SET = 1, 141 BUP_LAST = 2 142 }; 143 144 #ifdef DEBUG_AC97 145 #define dolog(...) AUD_log("ac97", __VA_ARGS__) 146 #else 147 #define dolog(...) 148 #endif 149 150 #define MKREGS(prefix, start) \ 151 enum { \ 152 prefix ## _BDBAR = start, \ 153 prefix ## _CIV = start + 4, \ 154 prefix ## _LVI = start + 5, \ 155 prefix ## _SR = start + 6, \ 156 prefix ## _PICB = start + 8, \ 157 prefix ## _PIV = start + 10, \ 158 prefix ## _CR = start + 11 \ 159 } 160 161 enum { 162 PI_INDEX = 0, 163 PO_INDEX, 164 MC_INDEX, 165 LAST_INDEX 166 }; 167 168 MKREGS(PI, PI_INDEX * 16); 169 MKREGS(PO, PO_INDEX * 16); 170 MKREGS(MC, MC_INDEX * 16); 171 172 enum { 173 GLOB_CNT = 0x2c, 174 GLOB_STA = 0x30, 175 CAS = 0x34 176 }; 177 178 #define GET_BM(index) (((index) >> 4) & 3) 179 180 static void po_callback(void *opaque, int free); 181 static void pi_callback(void *opaque, int avail); 182 static void mc_callback(void *opaque, int avail); 183 fetch_bd(AC97LinkState * s,AC97BusMasterRegs * r)184 static void fetch_bd(AC97LinkState *s, AC97BusMasterRegs *r) 185 { 186 uint8_t b[8]; 187 188 pci_dma_read(&s->dev, r->bdbar + r->civ * 8, b, 8); 189 r->bd_valid = 1; 190 r->bd.addr = le32_to_cpu(*(uint32_t *) &b[0]) & ~3; 191 r->bd.ctl_len = le32_to_cpu(*(uint32_t *) &b[4]); 192 r->picb = r->bd.ctl_len & 0xffff; 193 dolog("bd %2d addr=0x%x ctl=0x%06x len=0x%x(%d bytes)\n", 194 r->civ, r->bd.addr, r->bd.ctl_len >> 16, 195 r->bd.ctl_len & 0xffff, (r->bd.ctl_len & 0xffff) << 1); 196 } 197 update_sr(AC97LinkState * s,AC97BusMasterRegs * r,uint32_t new_sr)198 static void update_sr(AC97LinkState *s, AC97BusMasterRegs *r, uint32_t new_sr) 199 { 200 int event = 0; 201 int level = 0; 202 uint32_t new_mask = new_sr & SR_INT_MASK; 203 uint32_t old_mask = r->sr & SR_INT_MASK; 204 uint32_t masks[] = {GS_PIINT, GS_POINT, GS_MINT}; 205 206 if (new_mask ^ old_mask) { 207 /** @todo is IRQ deasserted when only one of status bits is cleared? */ 208 if (!new_mask) { 209 event = 1; 210 level = 0; 211 } else { 212 if ((new_mask & SR_LVBCI) && (r->cr & CR_LVBIE)) { 213 event = 1; 214 level = 1; 215 } 216 if ((new_mask & SR_BCIS) && (r->cr & CR_IOCE)) { 217 event = 1; 218 level = 1; 219 } 220 } 221 } 222 223 r->sr = new_sr; 224 225 dolog("IOC%d LVB%d sr=0x%x event=%d level=%d\n", 226 r->sr & SR_BCIS, r->sr & SR_LVBCI, r->sr, event, level); 227 228 if (!event) { 229 return; 230 } 231 232 if (level) { 233 s->glob_sta |= masks[r - s->bm_regs]; 234 dolog("set irq level=1\n"); 235 pci_irq_assert(&s->dev); 236 } else { 237 s->glob_sta &= ~masks[r - s->bm_regs]; 238 dolog("set irq level=0\n"); 239 pci_irq_deassert(&s->dev); 240 } 241 } 242 voice_set_active(AC97LinkState * s,int bm_index,int on)243 static void voice_set_active(AC97LinkState *s, int bm_index, int on) 244 { 245 switch (bm_index) { 246 case PI_INDEX: 247 AUD_set_active_in(s->voice_pi, on); 248 break; 249 250 case PO_INDEX: 251 AUD_set_active_out(s->voice_po, on); 252 break; 253 254 case MC_INDEX: 255 AUD_set_active_in(s->voice_mc, on); 256 break; 257 258 default: 259 AUD_log("ac97", "invalid bm_index(%d) in voice_set_active", bm_index); 260 break; 261 } 262 } 263 reset_bm_regs(AC97LinkState * s,AC97BusMasterRegs * r)264 static void reset_bm_regs(AC97LinkState *s, AC97BusMasterRegs *r) 265 { 266 dolog("reset_bm_regs\n"); 267 r->bdbar = 0; 268 r->civ = 0; 269 r->lvi = 0; 270 /** todo do we need to do that? */ 271 update_sr(s, r, SR_DCH); 272 r->picb = 0; 273 r->piv = 0; 274 r->cr = r->cr & CR_DONT_CLEAR_MASK; 275 r->bd_valid = 0; 276 277 voice_set_active(s, r - s->bm_regs, 0); 278 memset(s->silence, 0, sizeof(s->silence)); 279 } 280 mixer_store(AC97LinkState * s,uint32_t i,uint16_t v)281 static void mixer_store(AC97LinkState *s, uint32_t i, uint16_t v) 282 { 283 if (i + 2 > sizeof(s->mixer_data)) { 284 dolog("mixer_store: index %d out of bounds %zd\n", 285 i, sizeof(s->mixer_data)); 286 return; 287 } 288 289 s->mixer_data[i + 0] = v & 0xff; 290 s->mixer_data[i + 1] = v >> 8; 291 } 292 mixer_load(AC97LinkState * s,uint32_t i)293 static uint16_t mixer_load(AC97LinkState *s, uint32_t i) 294 { 295 uint16_t val = 0xffff; 296 297 if (i + 2 > sizeof(s->mixer_data)) { 298 dolog("mixer_load: index %d out of bounds %zd\n", 299 i, sizeof(s->mixer_data)); 300 } else { 301 val = s->mixer_data[i + 0] | (s->mixer_data[i + 1] << 8); 302 } 303 304 return val; 305 } 306 open_voice(AC97LinkState * s,int index,int freq)307 static void open_voice(AC97LinkState *s, int index, int freq) 308 { 309 struct audsettings as; 310 311 as.freq = freq; 312 as.nchannels = 2; 313 as.fmt = AUDIO_FORMAT_S16; 314 as.endianness = 0; 315 316 if (freq > 0) { 317 s->invalid_freq[index] = 0; 318 switch (index) { 319 case PI_INDEX: 320 s->voice_pi = AUD_open_in( 321 &s->card, 322 s->voice_pi, 323 "ac97.pi", 324 s, 325 pi_callback, 326 &as 327 ); 328 break; 329 330 case PO_INDEX: 331 s->voice_po = AUD_open_out( 332 &s->card, 333 s->voice_po, 334 "ac97.po", 335 s, 336 po_callback, 337 &as 338 ); 339 break; 340 341 case MC_INDEX: 342 s->voice_mc = AUD_open_in( 343 &s->card, 344 s->voice_mc, 345 "ac97.mc", 346 s, 347 mc_callback, 348 &as 349 ); 350 break; 351 } 352 } else { 353 s->invalid_freq[index] = freq; 354 switch (index) { 355 case PI_INDEX: 356 AUD_close_in(&s->card, s->voice_pi); 357 s->voice_pi = NULL; 358 break; 359 360 case PO_INDEX: 361 AUD_close_out(&s->card, s->voice_po); 362 s->voice_po = NULL; 363 break; 364 365 case MC_INDEX: 366 AUD_close_in(&s->card, s->voice_mc); 367 s->voice_mc = NULL; 368 break; 369 } 370 } 371 } 372 reset_voices(AC97LinkState * s,uint8_t active[LAST_INDEX])373 static void reset_voices(AC97LinkState *s, uint8_t active[LAST_INDEX]) 374 { 375 uint16_t freq; 376 377 freq = mixer_load(s, AC97_PCM_LR_ADC_Rate); 378 open_voice(s, PI_INDEX, freq); 379 AUD_set_active_in(s->voice_pi, active[PI_INDEX]); 380 381 freq = mixer_load(s, AC97_PCM_Front_DAC_Rate); 382 open_voice(s, PO_INDEX, freq); 383 AUD_set_active_out(s->voice_po, active[PO_INDEX]); 384 385 freq = mixer_load(s, AC97_MIC_ADC_Rate); 386 open_voice(s, MC_INDEX, freq); 387 AUD_set_active_in(s->voice_mc, active[MC_INDEX]); 388 } 389 get_volume(uint16_t vol,uint16_t mask,int inverse,int * mute,uint8_t * lvol,uint8_t * rvol)390 static void get_volume(uint16_t vol, uint16_t mask, int inverse, 391 int *mute, uint8_t *lvol, uint8_t *rvol) 392 { 393 *mute = (vol >> MUTE_SHIFT) & 1; 394 *rvol = (255 * (vol & mask)) / mask; 395 *lvol = (255 * ((vol >> 8) & mask)) / mask; 396 397 if (inverse) { 398 *rvol = 255 - *rvol; 399 *lvol = 255 - *lvol; 400 } 401 } 402 update_combined_volume_out(AC97LinkState * s)403 static void update_combined_volume_out(AC97LinkState *s) 404 { 405 uint8_t lvol, rvol, plvol, prvol; 406 int mute, pmute; 407 408 get_volume(mixer_load(s, AC97_Master_Volume_Mute), 0x3f, 1, 409 &mute, &lvol, &rvol); 410 get_volume(mixer_load(s, AC97_PCM_Out_Volume_Mute), 0x1f, 1, 411 &pmute, &plvol, &prvol); 412 413 mute = mute | pmute; 414 lvol = (lvol * plvol) / 255; 415 rvol = (rvol * prvol) / 255; 416 417 AUD_set_volume_out(s->voice_po, mute, lvol, rvol); 418 } 419 update_volume_in(AC97LinkState * s)420 static void update_volume_in(AC97LinkState *s) 421 { 422 uint8_t lvol, rvol; 423 int mute; 424 425 get_volume(mixer_load(s, AC97_Record_Gain_Mute), 0x0f, 0, 426 &mute, &lvol, &rvol); 427 428 AUD_set_volume_in(s->voice_pi, mute, lvol, rvol); 429 } 430 set_volume(AC97LinkState * s,int index,uint32_t val)431 static void set_volume(AC97LinkState *s, int index, uint32_t val) 432 { 433 switch (index) { 434 case AC97_Master_Volume_Mute: 435 val &= 0xbf3f; 436 mixer_store(s, index, val); 437 update_combined_volume_out(s); 438 break; 439 case AC97_PCM_Out_Volume_Mute: 440 val &= 0x9f1f; 441 mixer_store(s, index, val); 442 update_combined_volume_out(s); 443 break; 444 case AC97_Record_Gain_Mute: 445 val &= 0x8f0f; 446 mixer_store(s, index, val); 447 update_volume_in(s); 448 break; 449 } 450 } 451 record_select(AC97LinkState * s,uint32_t val)452 static void record_select(AC97LinkState *s, uint32_t val) 453 { 454 uint8_t rs = val & REC_MASK; 455 uint8_t ls = (val >> 8) & REC_MASK; 456 mixer_store(s, AC97_Record_Select, rs | (ls << 8)); 457 } 458 mixer_reset(AC97LinkState * s)459 static void mixer_reset(AC97LinkState *s) 460 { 461 uint8_t active[LAST_INDEX]; 462 463 dolog("mixer_reset\n"); 464 memset(s->mixer_data, 0, sizeof(s->mixer_data)); 465 memset(active, 0, sizeof(active)); 466 mixer_store(s, AC97_Reset, 0x0000); /* 6940 */ 467 mixer_store(s, AC97_Headphone_Volume_Mute, 0x0000); 468 mixer_store(s, AC97_Master_Volume_Mono_Mute, 0x0000); 469 mixer_store(s, AC97_Master_Tone_RL, 0x0000); 470 mixer_store(s, AC97_PC_BEEP_Volume_Mute, 0x0000); 471 mixer_store(s, AC97_Phone_Volume_Mute, 0x0000); 472 mixer_store(s, AC97_Mic_Volume_Mute, 0x0000); 473 mixer_store(s, AC97_Line_In_Volume_Mute, 0x0000); 474 mixer_store(s, AC97_CD_Volume_Mute, 0x0000); 475 mixer_store(s, AC97_Video_Volume_Mute, 0x0000); 476 mixer_store(s, AC97_Aux_Volume_Mute, 0x0000); 477 mixer_store(s, AC97_Record_Gain_Mic_Mute, 0x0000); 478 mixer_store(s, AC97_General_Purpose, 0x0000); 479 mixer_store(s, AC97_3D_Control, 0x0000); 480 mixer_store(s, AC97_Powerdown_Ctrl_Stat, 0x000f); 481 482 /* 483 * Sigmatel 9700 (STAC9700) 484 */ 485 mixer_store(s, AC97_Vendor_ID1, 0x8384); 486 mixer_store(s, AC97_Vendor_ID2, 0x7600); /* 7608 */ 487 488 mixer_store(s, AC97_Extended_Audio_ID, 0x0809); 489 mixer_store(s, AC97_Extended_Audio_Ctrl_Stat, 0x0009); 490 mixer_store(s, AC97_PCM_Front_DAC_Rate, 0xbb80); 491 mixer_store(s, AC97_PCM_Surround_DAC_Rate, 0xbb80); 492 mixer_store(s, AC97_PCM_LFE_DAC_Rate, 0xbb80); 493 mixer_store(s, AC97_PCM_LR_ADC_Rate, 0xbb80); 494 mixer_store(s, AC97_MIC_ADC_Rate, 0xbb80); 495 496 record_select(s, 0); 497 set_volume(s, AC97_Master_Volume_Mute, 0x8000); 498 set_volume(s, AC97_PCM_Out_Volume_Mute, 0x8808); 499 set_volume(s, AC97_Record_Gain_Mute, 0x8808); 500 501 reset_voices(s, active); 502 } 503 504 /** 505 * Native audio mixer 506 * I/O Reads 507 */ nam_readb(void * opaque,uint32_t addr)508 static uint32_t nam_readb(void *opaque, uint32_t addr) 509 { 510 AC97LinkState *s = opaque; 511 dolog("U nam readb 0x%x\n", addr); 512 s->cas = 0; 513 return ~0U; 514 } 515 nam_readw(void * opaque,uint32_t addr)516 static uint32_t nam_readw(void *opaque, uint32_t addr) 517 { 518 AC97LinkState *s = opaque; 519 s->cas = 0; 520 return mixer_load(s, addr); 521 } 522 nam_readl(void * opaque,uint32_t addr)523 static uint32_t nam_readl(void *opaque, uint32_t addr) 524 { 525 AC97LinkState *s = opaque; 526 dolog("U nam readl 0x%x\n", addr); 527 s->cas = 0; 528 return ~0U; 529 } 530 531 /** 532 * Native audio mixer 533 * I/O Writes 534 */ nam_writeb(void * opaque,uint32_t addr,uint32_t val)535 static void nam_writeb(void *opaque, uint32_t addr, uint32_t val) 536 { 537 AC97LinkState *s = opaque; 538 dolog("U nam writeb 0x%x <- 0x%x\n", addr, val); 539 s->cas = 0; 540 } 541 nam_writew(void * opaque,uint32_t addr,uint32_t val)542 static void nam_writew(void *opaque, uint32_t addr, uint32_t val) 543 { 544 AC97LinkState *s = opaque; 545 546 s->cas = 0; 547 switch (addr) { 548 case AC97_Reset: 549 mixer_reset(s); 550 break; 551 case AC97_Powerdown_Ctrl_Stat: 552 val &= ~0x800f; 553 val |= mixer_load(s, addr) & 0xf; 554 mixer_store(s, addr, val); 555 break; 556 case AC97_PCM_Out_Volume_Mute: 557 case AC97_Master_Volume_Mute: 558 case AC97_Record_Gain_Mute: 559 set_volume(s, addr, val); 560 break; 561 case AC97_Record_Select: 562 record_select(s, val); 563 break; 564 case AC97_Vendor_ID1: 565 case AC97_Vendor_ID2: 566 dolog("Attempt to write vendor ID to 0x%x\n", val); 567 break; 568 case AC97_Extended_Audio_ID: 569 dolog("Attempt to write extended audio ID to 0x%x\n", val); 570 break; 571 case AC97_Extended_Audio_Ctrl_Stat: 572 if (!(val & EACS_VRA)) { 573 mixer_store(s, AC97_PCM_Front_DAC_Rate, 0xbb80); 574 mixer_store(s, AC97_PCM_LR_ADC_Rate, 0xbb80); 575 open_voice(s, PI_INDEX, 48000); 576 open_voice(s, PO_INDEX, 48000); 577 } 578 if (!(val & EACS_VRM)) { 579 mixer_store(s, AC97_MIC_ADC_Rate, 0xbb80); 580 open_voice(s, MC_INDEX, 48000); 581 } 582 dolog("Setting extended audio control to 0x%x\n", val); 583 mixer_store(s, AC97_Extended_Audio_Ctrl_Stat, val); 584 break; 585 case AC97_PCM_Front_DAC_Rate: 586 if (mixer_load(s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRA) { 587 mixer_store(s, addr, val); 588 dolog("Set front DAC rate to %d\n", val); 589 open_voice(s, PO_INDEX, val); 590 } else { 591 dolog("Attempt to set front DAC rate to %d, but VRA is not set\n", 592 val); 593 } 594 break; 595 case AC97_MIC_ADC_Rate: 596 if (mixer_load(s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRM) { 597 mixer_store(s, addr, val); 598 dolog("Set MIC ADC rate to %d\n", val); 599 open_voice(s, MC_INDEX, val); 600 } else { 601 dolog("Attempt to set MIC ADC rate to %d, but VRM is not set\n", 602 val); 603 } 604 break; 605 case AC97_PCM_LR_ADC_Rate: 606 if (mixer_load(s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRA) { 607 mixer_store(s, addr, val); 608 dolog("Set front LR ADC rate to %d\n", val); 609 open_voice(s, PI_INDEX, val); 610 } else { 611 dolog("Attempt to set LR ADC rate to %d, but VRA is not set\n", 612 val); 613 } 614 break; 615 case AC97_Headphone_Volume_Mute: 616 case AC97_Master_Volume_Mono_Mute: 617 case AC97_Master_Tone_RL: 618 case AC97_PC_BEEP_Volume_Mute: 619 case AC97_Phone_Volume_Mute: 620 case AC97_Mic_Volume_Mute: 621 case AC97_Line_In_Volume_Mute: 622 case AC97_CD_Volume_Mute: 623 case AC97_Video_Volume_Mute: 624 case AC97_Aux_Volume_Mute: 625 case AC97_Record_Gain_Mic_Mute: 626 case AC97_General_Purpose: 627 case AC97_3D_Control: 628 case AC97_Sigmatel_Analog: 629 case AC97_Sigmatel_Dac2Invert: 630 /* None of the features in these regs are emulated, so they are RO */ 631 break; 632 default: 633 dolog("U nam writew 0x%x <- 0x%x\n", addr, val); 634 mixer_store(s, addr, val); 635 break; 636 } 637 } 638 nam_writel(void * opaque,uint32_t addr,uint32_t val)639 static void nam_writel(void *opaque, uint32_t addr, uint32_t val) 640 { 641 AC97LinkState *s = opaque; 642 dolog("U nam writel 0x%x <- 0x%x\n", addr, val); 643 s->cas = 0; 644 } 645 646 /** 647 * Native audio bus master 648 * I/O Reads 649 */ nabm_readb(void * opaque,uint32_t addr)650 static uint32_t nabm_readb(void *opaque, uint32_t addr) 651 { 652 AC97LinkState *s = opaque; 653 AC97BusMasterRegs *r = NULL; 654 uint32_t val = ~0U; 655 656 switch (addr) { 657 case CAS: 658 dolog("CAS %d\n", s->cas); 659 val = s->cas; 660 s->cas = 1; 661 break; 662 case PI_CIV: 663 case PO_CIV: 664 case MC_CIV: 665 r = &s->bm_regs[GET_BM(addr)]; 666 val = r->civ; 667 dolog("CIV[%d] -> 0x%x\n", GET_BM(addr), val); 668 break; 669 case PI_LVI: 670 case PO_LVI: 671 case MC_LVI: 672 r = &s->bm_regs[GET_BM(addr)]; 673 val = r->lvi; 674 dolog("LVI[%d] -> 0x%x\n", GET_BM(addr), val); 675 break; 676 case PI_PIV: 677 case PO_PIV: 678 case MC_PIV: 679 r = &s->bm_regs[GET_BM(addr)]; 680 val = r->piv; 681 dolog("PIV[%d] -> 0x%x\n", GET_BM(addr), val); 682 break; 683 case PI_CR: 684 case PO_CR: 685 case MC_CR: 686 r = &s->bm_regs[GET_BM(addr)]; 687 val = r->cr; 688 dolog("CR[%d] -> 0x%x\n", GET_BM(addr), val); 689 break; 690 case PI_SR: 691 case PO_SR: 692 case MC_SR: 693 r = &s->bm_regs[GET_BM(addr)]; 694 val = r->sr & 0xff; 695 dolog("SRb[%d] -> 0x%x\n", GET_BM(addr), val); 696 break; 697 default: 698 dolog("U nabm readb 0x%x -> 0x%x\n", addr, val); 699 break; 700 } 701 return val; 702 } 703 nabm_readw(void * opaque,uint32_t addr)704 static uint32_t nabm_readw(void *opaque, uint32_t addr) 705 { 706 AC97LinkState *s = opaque; 707 AC97BusMasterRegs *r = NULL; 708 uint32_t val = ~0U; 709 710 switch (addr) { 711 case PI_SR: 712 case PO_SR: 713 case MC_SR: 714 r = &s->bm_regs[GET_BM(addr)]; 715 val = r->sr; 716 dolog("SR[%d] -> 0x%x\n", GET_BM(addr), val); 717 break; 718 case PI_PICB: 719 case PO_PICB: 720 case MC_PICB: 721 r = &s->bm_regs[GET_BM(addr)]; 722 val = r->picb; 723 dolog("PICB[%d] -> 0x%x\n", GET_BM(addr), val); 724 break; 725 default: 726 dolog("U nabm readw 0x%x -> 0x%x\n", addr, val); 727 break; 728 } 729 return val; 730 } 731 nabm_readl(void * opaque,uint32_t addr)732 static uint32_t nabm_readl(void *opaque, uint32_t addr) 733 { 734 AC97LinkState *s = opaque; 735 AC97BusMasterRegs *r = NULL; 736 uint32_t val = ~0U; 737 738 switch (addr) { 739 case PI_BDBAR: 740 case PO_BDBAR: 741 case MC_BDBAR: 742 r = &s->bm_regs[GET_BM(addr)]; 743 val = r->bdbar; 744 dolog("BMADDR[%d] -> 0x%x\n", GET_BM(addr), val); 745 break; 746 case PI_CIV: 747 case PO_CIV: 748 case MC_CIV: 749 r = &s->bm_regs[GET_BM(addr)]; 750 val = r->civ | (r->lvi << 8) | (r->sr << 16); 751 dolog("CIV LVI SR[%d] -> 0x%x, 0x%x, 0x%x\n", GET_BM(addr), 752 r->civ, r->lvi, r->sr); 753 break; 754 case PI_PICB: 755 case PO_PICB: 756 case MC_PICB: 757 r = &s->bm_regs[GET_BM(addr)]; 758 val = r->picb | (r->piv << 16) | (r->cr << 24); 759 dolog("PICB PIV CR[%d] -> 0x%x 0x%x 0x%x 0x%x\n", GET_BM(addr), 760 val, r->picb, r->piv, r->cr); 761 break; 762 case GLOB_CNT: 763 val = s->glob_cnt; 764 dolog("glob_cnt -> 0x%x\n", val); 765 break; 766 case GLOB_STA: 767 val = s->glob_sta | GS_S0CR; 768 dolog("glob_sta -> 0x%x\n", val); 769 break; 770 default: 771 dolog("U nabm readl 0x%x -> 0x%x\n", addr, val); 772 break; 773 } 774 return val; 775 } 776 777 /** 778 * Native audio bus master 779 * I/O Writes 780 */ nabm_writeb(void * opaque,uint32_t addr,uint32_t val)781 static void nabm_writeb(void *opaque, uint32_t addr, uint32_t val) 782 { 783 AC97LinkState *s = opaque; 784 AC97BusMasterRegs *r = NULL; 785 786 switch (addr) { 787 case PI_LVI: 788 case PO_LVI: 789 case MC_LVI: 790 r = &s->bm_regs[GET_BM(addr)]; 791 if ((r->cr & CR_RPBM) && (r->sr & SR_DCH)) { 792 r->sr &= ~(SR_DCH | SR_CELV); 793 r->civ = r->piv; 794 r->piv = (r->piv + 1) % 32; 795 fetch_bd(s, r); 796 } 797 r->lvi = val % 32; 798 dolog("LVI[%d] <- 0x%x\n", GET_BM(addr), val); 799 break; 800 case PI_CR: 801 case PO_CR: 802 case MC_CR: 803 r = &s->bm_regs[GET_BM(addr)]; 804 if (val & CR_RR) { 805 reset_bm_regs(s, r); 806 } else { 807 r->cr = val & CR_VALID_MASK; 808 if (!(r->cr & CR_RPBM)) { 809 voice_set_active(s, r - s->bm_regs, 0); 810 r->sr |= SR_DCH; 811 } else { 812 r->civ = r->piv; 813 r->piv = (r->piv + 1) % 32; 814 fetch_bd(s, r); 815 r->sr &= ~SR_DCH; 816 voice_set_active(s, r - s->bm_regs, 1); 817 } 818 } 819 dolog("CR[%d] <- 0x%x (cr 0x%x)\n", GET_BM(addr), val, r->cr); 820 break; 821 case PI_SR: 822 case PO_SR: 823 case MC_SR: 824 r = &s->bm_regs[GET_BM(addr)]; 825 r->sr |= val & ~(SR_RO_MASK | SR_WCLEAR_MASK); 826 update_sr(s, r, r->sr & ~(val & SR_WCLEAR_MASK)); 827 dolog("SR[%d] <- 0x%x (sr 0x%x)\n", GET_BM(addr), val, r->sr); 828 break; 829 default: 830 dolog("U nabm writeb 0x%x <- 0x%x\n", addr, val); 831 break; 832 } 833 } 834 nabm_writew(void * opaque,uint32_t addr,uint32_t val)835 static void nabm_writew(void *opaque, uint32_t addr, uint32_t val) 836 { 837 AC97LinkState *s = opaque; 838 AC97BusMasterRegs *r = NULL; 839 840 switch (addr) { 841 case PI_SR: 842 case PO_SR: 843 case MC_SR: 844 r = &s->bm_regs[GET_BM(addr)]; 845 r->sr |= val & ~(SR_RO_MASK | SR_WCLEAR_MASK); 846 update_sr(s, r, r->sr & ~(val & SR_WCLEAR_MASK)); 847 dolog("SR[%d] <- 0x%x (sr 0x%x)\n", GET_BM(addr), val, r->sr); 848 break; 849 default: 850 dolog("U nabm writew 0x%x <- 0x%x\n", addr, val); 851 break; 852 } 853 } 854 nabm_writel(void * opaque,uint32_t addr,uint32_t val)855 static void nabm_writel(void *opaque, uint32_t addr, uint32_t val) 856 { 857 AC97LinkState *s = opaque; 858 AC97BusMasterRegs *r = NULL; 859 860 switch (addr) { 861 case PI_BDBAR: 862 case PO_BDBAR: 863 case MC_BDBAR: 864 r = &s->bm_regs[GET_BM(addr)]; 865 r->bdbar = val & ~3; 866 dolog("BDBAR[%d] <- 0x%x (bdbar 0x%x)\n", GET_BM(addr), val, r->bdbar); 867 break; 868 case GLOB_CNT: 869 /* TODO: Handle WR or CR being set (warm/cold reset requests) */ 870 if (!(val & (GC_WR | GC_CR))) { 871 s->glob_cnt = val & GC_VALID_MASK; 872 } 873 dolog("glob_cnt <- 0x%x (glob_cnt 0x%x)\n", val, s->glob_cnt); 874 break; 875 case GLOB_STA: 876 s->glob_sta &= ~(val & GS_WCLEAR_MASK); 877 s->glob_sta |= (val & ~(GS_WCLEAR_MASK | GS_RO_MASK)) & GS_VALID_MASK; 878 dolog("glob_sta <- 0x%x (glob_sta 0x%x)\n", val, s->glob_sta); 879 break; 880 default: 881 dolog("U nabm writel 0x%x <- 0x%x\n", addr, val); 882 break; 883 } 884 } 885 write_audio(AC97LinkState * s,AC97BusMasterRegs * r,int max,int * stop)886 static int write_audio(AC97LinkState *s, AC97BusMasterRegs *r, 887 int max, int *stop) 888 { 889 uint8_t tmpbuf[4096]; 890 uint32_t addr = r->bd.addr; 891 uint32_t temp = r->picb << 1; 892 uint32_t written = 0; 893 int to_copy = 0; 894 temp = MIN(temp, max); 895 896 if (!temp) { 897 *stop = 1; 898 return 0; 899 } 900 901 while (temp) { 902 int copied; 903 to_copy = MIN(temp, sizeof(tmpbuf)); 904 pci_dma_read(&s->dev, addr, tmpbuf, to_copy); 905 copied = AUD_write(s->voice_po, tmpbuf, to_copy); 906 dolog("write_audio max=%x to_copy=%x copied=%x\n", 907 max, to_copy, copied); 908 if (!copied) { 909 *stop = 1; 910 break; 911 } 912 temp -= copied; 913 addr += copied; 914 written += copied; 915 } 916 917 if (!temp) { 918 if (to_copy < 4) { 919 dolog("whoops\n"); 920 s->last_samp = 0; 921 } else { 922 s->last_samp = *(uint32_t *)&tmpbuf[to_copy - 4]; 923 } 924 } 925 926 r->bd.addr = addr; 927 return written; 928 } 929 write_bup(AC97LinkState * s,int elapsed)930 static void write_bup(AC97LinkState *s, int elapsed) 931 { 932 dolog("write_bup\n"); 933 if (!(s->bup_flag & BUP_SET)) { 934 if (s->bup_flag & BUP_LAST) { 935 int i; 936 uint8_t *p = s->silence; 937 for (i = 0; i < sizeof(s->silence) / 4; i++, p += 4) { 938 *(uint32_t *) p = s->last_samp; 939 } 940 } else { 941 memset(s->silence, 0, sizeof(s->silence)); 942 } 943 s->bup_flag |= BUP_SET; 944 } 945 946 while (elapsed) { 947 int temp = MIN(elapsed, sizeof(s->silence)); 948 while (temp) { 949 int copied = AUD_write(s->voice_po, s->silence, temp); 950 if (!copied) { 951 return; 952 } 953 temp -= copied; 954 elapsed -= copied; 955 } 956 } 957 } 958 read_audio(AC97LinkState * s,AC97BusMasterRegs * r,int max,int * stop)959 static int read_audio(AC97LinkState *s, AC97BusMasterRegs *r, 960 int max, int *stop) 961 { 962 uint8_t tmpbuf[4096]; 963 uint32_t addr = r->bd.addr; 964 uint32_t temp = r->picb << 1; 965 uint32_t nread = 0; 966 int to_copy = 0; 967 SWVoiceIn *voice = (r - s->bm_regs) == MC_INDEX ? s->voice_mc : s->voice_pi; 968 969 temp = MIN(temp, max); 970 971 if (!temp) { 972 *stop = 1; 973 return 0; 974 } 975 976 while (temp) { 977 int acquired; 978 to_copy = MIN(temp, sizeof(tmpbuf)); 979 acquired = AUD_read(voice, tmpbuf, to_copy); 980 if (!acquired) { 981 *stop = 1; 982 break; 983 } 984 pci_dma_write(&s->dev, addr, tmpbuf, acquired); 985 temp -= acquired; 986 addr += acquired; 987 nread += acquired; 988 } 989 990 r->bd.addr = addr; 991 return nread; 992 } 993 transfer_audio(AC97LinkState * s,int index,int elapsed)994 static void transfer_audio(AC97LinkState *s, int index, int elapsed) 995 { 996 AC97BusMasterRegs *r = &s->bm_regs[index]; 997 int stop = 0; 998 999 if (s->invalid_freq[index]) { 1000 AUD_log("ac97", "attempt to use voice %d with invalid frequency %d\n", 1001 index, s->invalid_freq[index]); 1002 return; 1003 } 1004 1005 if (r->sr & SR_DCH) { 1006 if (r->cr & CR_RPBM) { 1007 switch (index) { 1008 case PO_INDEX: 1009 write_bup(s, elapsed); 1010 break; 1011 } 1012 } 1013 return; 1014 } 1015 1016 while ((elapsed >> 1) && !stop) { 1017 int temp; 1018 1019 if (!r->bd_valid) { 1020 dolog("invalid bd\n"); 1021 fetch_bd(s, r); 1022 } 1023 1024 if (!r->picb) { 1025 dolog("fresh bd %d is empty 0x%x 0x%x\n", 1026 r->civ, r->bd.addr, r->bd.ctl_len); 1027 if (r->civ == r->lvi) { 1028 r->sr |= SR_DCH; /* CELV? */ 1029 s->bup_flag = 0; 1030 break; 1031 } 1032 r->sr &= ~SR_CELV; 1033 r->civ = r->piv; 1034 r->piv = (r->piv + 1) % 32; 1035 fetch_bd(s, r); 1036 return; 1037 } 1038 1039 switch (index) { 1040 case PO_INDEX: 1041 temp = write_audio(s, r, elapsed, &stop); 1042 elapsed -= temp; 1043 r->picb -= (temp >> 1); 1044 break; 1045 1046 case PI_INDEX: 1047 case MC_INDEX: 1048 temp = read_audio(s, r, elapsed, &stop); 1049 elapsed -= temp; 1050 r->picb -= (temp >> 1); 1051 break; 1052 } 1053 1054 if (!r->picb) { 1055 uint32_t new_sr = r->sr & ~SR_CELV; 1056 1057 if (r->bd.ctl_len & BD_IOC) { 1058 new_sr |= SR_BCIS; 1059 } 1060 1061 if (r->civ == r->lvi) { 1062 dolog("Underrun civ (%d) == lvi (%d)\n", r->civ, r->lvi); 1063 1064 new_sr |= SR_LVBCI | SR_DCH | SR_CELV; 1065 stop = 1; 1066 s->bup_flag = (r->bd.ctl_len & BD_BUP) ? BUP_LAST : 0; 1067 } else { 1068 r->civ = r->piv; 1069 r->piv = (r->piv + 1) % 32; 1070 fetch_bd(s, r); 1071 } 1072 1073 update_sr(s, r, new_sr); 1074 } 1075 } 1076 } 1077 pi_callback(void * opaque,int avail)1078 static void pi_callback(void *opaque, int avail) 1079 { 1080 transfer_audio(opaque, PI_INDEX, avail); 1081 } 1082 mc_callback(void * opaque,int avail)1083 static void mc_callback(void *opaque, int avail) 1084 { 1085 transfer_audio(opaque, MC_INDEX, avail); 1086 } 1087 po_callback(void * opaque,int free)1088 static void po_callback(void *opaque, int free) 1089 { 1090 transfer_audio(opaque, PO_INDEX, free); 1091 } 1092 1093 static const VMStateDescription vmstate_ac97_bm_regs = { 1094 .name = "ac97_bm_regs", 1095 .version_id = 1, 1096 .minimum_version_id = 1, 1097 .fields = (const VMStateField[]) { 1098 VMSTATE_UINT32(bdbar, AC97BusMasterRegs), 1099 VMSTATE_UINT8(civ, AC97BusMasterRegs), 1100 VMSTATE_UINT8(lvi, AC97BusMasterRegs), 1101 VMSTATE_UINT16(sr, AC97BusMasterRegs), 1102 VMSTATE_UINT16(picb, AC97BusMasterRegs), 1103 VMSTATE_UINT8(piv, AC97BusMasterRegs), 1104 VMSTATE_UINT8(cr, AC97BusMasterRegs), 1105 VMSTATE_UINT32(bd_valid, AC97BusMasterRegs), 1106 VMSTATE_UINT32(bd.addr, AC97BusMasterRegs), 1107 VMSTATE_UINT32(bd.ctl_len, AC97BusMasterRegs), 1108 VMSTATE_END_OF_LIST() 1109 } 1110 }; 1111 ac97_post_load(void * opaque,int version_id)1112 static int ac97_post_load(void *opaque, int version_id) 1113 { 1114 uint8_t active[LAST_INDEX]; 1115 AC97LinkState *s = opaque; 1116 1117 record_select(s, mixer_load(s, AC97_Record_Select)); 1118 set_volume(s, AC97_Master_Volume_Mute, 1119 mixer_load(s, AC97_Master_Volume_Mute)); 1120 set_volume(s, AC97_PCM_Out_Volume_Mute, 1121 mixer_load(s, AC97_PCM_Out_Volume_Mute)); 1122 set_volume(s, AC97_Record_Gain_Mute, 1123 mixer_load(s, AC97_Record_Gain_Mute)); 1124 1125 active[PI_INDEX] = !!(s->bm_regs[PI_INDEX].cr & CR_RPBM); 1126 active[PO_INDEX] = !!(s->bm_regs[PO_INDEX].cr & CR_RPBM); 1127 active[MC_INDEX] = !!(s->bm_regs[MC_INDEX].cr & CR_RPBM); 1128 reset_voices(s, active); 1129 1130 s->bup_flag = 0; 1131 s->last_samp = 0; 1132 return 0; 1133 } 1134 is_version_2(void * opaque,int version_id)1135 static bool is_version_2(void *opaque, int version_id) 1136 { 1137 return version_id == 2; 1138 } 1139 1140 static const VMStateDescription vmstate_ac97 = { 1141 .name = "ac97", 1142 .version_id = 3, 1143 .minimum_version_id = 2, 1144 .post_load = ac97_post_load, 1145 .fields = (const VMStateField[]) { 1146 VMSTATE_PCI_DEVICE(dev, AC97LinkState), 1147 VMSTATE_UINT32(glob_cnt, AC97LinkState), 1148 VMSTATE_UINT32(glob_sta, AC97LinkState), 1149 VMSTATE_UINT32(cas, AC97LinkState), 1150 VMSTATE_STRUCT_ARRAY(bm_regs, AC97LinkState, 3, 1, 1151 vmstate_ac97_bm_regs, AC97BusMasterRegs), 1152 VMSTATE_BUFFER(mixer_data, AC97LinkState), 1153 VMSTATE_UNUSED_TEST(is_version_2, 3), 1154 VMSTATE_END_OF_LIST() 1155 } 1156 }; 1157 nam_read(void * opaque,hwaddr addr,unsigned size)1158 static uint64_t nam_read(void *opaque, hwaddr addr, unsigned size) 1159 { 1160 if ((addr / size) > 256) { 1161 return -1; 1162 } 1163 1164 switch (size) { 1165 case 1: 1166 return nam_readb(opaque, addr); 1167 case 2: 1168 return nam_readw(opaque, addr); 1169 case 4: 1170 return nam_readl(opaque, addr); 1171 default: 1172 return -1; 1173 } 1174 } 1175 nam_write(void * opaque,hwaddr addr,uint64_t val,unsigned size)1176 static void nam_write(void *opaque, hwaddr addr, uint64_t val, 1177 unsigned size) 1178 { 1179 if ((addr / size) > 256) { 1180 return; 1181 } 1182 1183 switch (size) { 1184 case 1: 1185 nam_writeb(opaque, addr, val); 1186 break; 1187 case 2: 1188 nam_writew(opaque, addr, val); 1189 break; 1190 case 4: 1191 nam_writel(opaque, addr, val); 1192 break; 1193 } 1194 } 1195 1196 static const MemoryRegionOps ac97_io_nam_ops = { 1197 .read = nam_read, 1198 .write = nam_write, 1199 .impl = { 1200 .min_access_size = 1, 1201 .max_access_size = 4, 1202 }, 1203 .endianness = DEVICE_LITTLE_ENDIAN, 1204 }; 1205 nabm_read(void * opaque,hwaddr addr,unsigned size)1206 static uint64_t nabm_read(void *opaque, hwaddr addr, unsigned size) 1207 { 1208 if ((addr / size) > 64) { 1209 return -1; 1210 } 1211 1212 switch (size) { 1213 case 1: 1214 return nabm_readb(opaque, addr); 1215 case 2: 1216 return nabm_readw(opaque, addr); 1217 case 4: 1218 return nabm_readl(opaque, addr); 1219 default: 1220 return -1; 1221 } 1222 } 1223 nabm_write(void * opaque,hwaddr addr,uint64_t val,unsigned size)1224 static void nabm_write(void *opaque, hwaddr addr, uint64_t val, 1225 unsigned size) 1226 { 1227 if ((addr / size) > 64) { 1228 return; 1229 } 1230 1231 switch (size) { 1232 case 1: 1233 nabm_writeb(opaque, addr, val); 1234 break; 1235 case 2: 1236 nabm_writew(opaque, addr, val); 1237 break; 1238 case 4: 1239 nabm_writel(opaque, addr, val); 1240 break; 1241 } 1242 } 1243 1244 1245 static const MemoryRegionOps ac97_io_nabm_ops = { 1246 .read = nabm_read, 1247 .write = nabm_write, 1248 .impl = { 1249 .min_access_size = 1, 1250 .max_access_size = 4, 1251 }, 1252 .endianness = DEVICE_LITTLE_ENDIAN, 1253 }; 1254 ac97_on_reset(DeviceState * dev)1255 static void ac97_on_reset(DeviceState *dev) 1256 { 1257 AC97LinkState *s = AC97(dev); 1258 1259 reset_bm_regs(s, &s->bm_regs[0]); 1260 reset_bm_regs(s, &s->bm_regs[1]); 1261 reset_bm_regs(s, &s->bm_regs[2]); 1262 1263 /* 1264 * Reset the mixer too. The Windows XP driver seems to rely on 1265 * this. At least it wants to read the vendor id before it resets 1266 * the codec manually. 1267 */ 1268 mixer_reset(s); 1269 } 1270 ac97_realize(PCIDevice * dev,Error ** errp)1271 static void ac97_realize(PCIDevice *dev, Error **errp) 1272 { 1273 AC97LinkState *s = AC97(dev); 1274 uint8_t *c = s->dev.config; 1275 1276 if (!AUD_register_card ("ac97", &s->card, errp)) { 1277 return; 1278 } 1279 1280 /* TODO: no need to override */ 1281 c[PCI_COMMAND] = 0x00; /* pcicmd pci command rw, ro */ 1282 c[PCI_COMMAND + 1] = 0x00; 1283 1284 /* TODO: */ 1285 c[PCI_STATUS] = PCI_STATUS_FAST_BACK; /* pcists pci status rwc, ro */ 1286 c[PCI_STATUS + 1] = PCI_STATUS_DEVSEL_MEDIUM >> 8; 1287 1288 c[PCI_CLASS_PROG] = 0x00; /* pi programming interface ro */ 1289 1290 /* TODO set when bar is registered. no need to override. */ 1291 /* nabmar native audio mixer base address rw */ 1292 c[PCI_BASE_ADDRESS_0] = PCI_BASE_ADDRESS_SPACE_IO; 1293 c[PCI_BASE_ADDRESS_0 + 1] = 0x00; 1294 c[PCI_BASE_ADDRESS_0 + 2] = 0x00; 1295 c[PCI_BASE_ADDRESS_0 + 3] = 0x00; 1296 1297 /* TODO set when bar is registered. no need to override. */ 1298 /* nabmbar native audio bus mastering base address rw */ 1299 c[PCI_BASE_ADDRESS_0 + 4] = PCI_BASE_ADDRESS_SPACE_IO; 1300 c[PCI_BASE_ADDRESS_0 + 5] = 0x00; 1301 c[PCI_BASE_ADDRESS_0 + 6] = 0x00; 1302 c[PCI_BASE_ADDRESS_0 + 7] = 0x00; 1303 1304 c[PCI_INTERRUPT_LINE] = 0x00; /* intr_ln interrupt line rw */ 1305 c[PCI_INTERRUPT_PIN] = 0x01; /* intr_pn interrupt pin ro */ 1306 1307 memory_region_init_io(&s->io_nam, OBJECT(s), &ac97_io_nam_ops, s, 1308 "ac97-nam", 1024); 1309 memory_region_init_io(&s->io_nabm, OBJECT(s), &ac97_io_nabm_ops, s, 1310 "ac97-nabm", 256); 1311 pci_register_bar(&s->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io_nam); 1312 pci_register_bar(&s->dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->io_nabm); 1313 1314 ac97_on_reset(DEVICE(s)); 1315 } 1316 ac97_exit(PCIDevice * dev)1317 static void ac97_exit(PCIDevice *dev) 1318 { 1319 AC97LinkState *s = AC97(dev); 1320 1321 AUD_close_in(&s->card, s->voice_pi); 1322 AUD_close_out(&s->card, s->voice_po); 1323 AUD_close_in(&s->card, s->voice_mc); 1324 AUD_remove_card(&s->card); 1325 } 1326 1327 static Property ac97_properties[] = { 1328 DEFINE_AUDIO_PROPERTIES(AC97LinkState, card), 1329 DEFINE_PROP_END_OF_LIST(), 1330 }; 1331 ac97_class_init(ObjectClass * klass,void * data)1332 static void ac97_class_init(ObjectClass *klass, void *data) 1333 { 1334 DeviceClass *dc = DEVICE_CLASS(klass); 1335 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 1336 1337 k->realize = ac97_realize; 1338 k->exit = ac97_exit; 1339 k->vendor_id = PCI_VENDOR_ID_INTEL; 1340 k->device_id = PCI_DEVICE_ID_INTEL_82801AA_5; 1341 k->revision = 0x01; 1342 k->class_id = PCI_CLASS_MULTIMEDIA_AUDIO; 1343 set_bit(DEVICE_CATEGORY_SOUND, dc->categories); 1344 dc->desc = "Intel 82801AA AC97 Audio"; 1345 dc->vmsd = &vmstate_ac97; 1346 device_class_set_props(dc, ac97_properties); 1347 device_class_set_legacy_reset(dc, ac97_on_reset); 1348 } 1349 1350 static const TypeInfo ac97_info = { 1351 .name = TYPE_AC97, 1352 .parent = TYPE_PCI_DEVICE, 1353 .instance_size = sizeof(AC97LinkState), 1354 .class_init = ac97_class_init, 1355 .interfaces = (InterfaceInfo[]) { 1356 { INTERFACE_CONVENTIONAL_PCI_DEVICE }, 1357 { }, 1358 }, 1359 }; 1360 ac97_register_types(void)1361 static void ac97_register_types(void) 1362 { 1363 type_register_static(&ac97_info); 1364 deprecated_register_soundhw("ac97", "Intel 82801AA AC97 Audio", 1365 0, TYPE_AC97); 1366 } 1367 1368 type_init(ac97_register_types) 1369