1 /* 2 * QEMU ES1370 emulation 3 * 4 * Copyright (c) 2005 Vassili Karpov (malc) 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 25 /* #define DEBUG_ES1370 */ 26 /* #define VERBOSE_ES1370 */ 27 #define SILENT_ES1370 28 29 #include "qemu/osdep.h" 30 #include "hw/hw.h" 31 #include "hw/audio/soundhw.h" 32 #include "audio/audio.h" 33 #include "hw/pci/pci.h" 34 #include "sysemu/dma.h" 35 36 /* Missing stuff: 37 SCTRL_P[12](END|ST)INC 38 SCTRL_P1SCTRLD 39 SCTRL_P2DACSEN 40 CTRL_DAC_SYNC 41 MIDI 42 non looped mode 43 surely more 44 */ 45 46 /* 47 Following macros and samplerate array were copied verbatim from 48 Linux kernel 2.4.30: drivers/sound/es1370.c 49 50 Copyright (C) 1998-2001, 2003 Thomas Sailer (t.sailer@alumni.ethz.ch) 51 */ 52 53 /* Start blatant GPL violation */ 54 55 #define ES1370_REG_CONTROL 0x00 56 #define ES1370_REG_STATUS 0x04 57 #define ES1370_REG_UART_DATA 0x08 58 #define ES1370_REG_UART_STATUS 0x09 59 #define ES1370_REG_UART_CONTROL 0x09 60 #define ES1370_REG_UART_TEST 0x0a 61 #define ES1370_REG_MEMPAGE 0x0c 62 #define ES1370_REG_CODEC 0x10 63 #define ES1370_REG_SERIAL_CONTROL 0x20 64 #define ES1370_REG_DAC1_SCOUNT 0x24 65 #define ES1370_REG_DAC2_SCOUNT 0x28 66 #define ES1370_REG_ADC_SCOUNT 0x2c 67 68 #define ES1370_REG_DAC1_FRAMEADR 0xc30 69 #define ES1370_REG_DAC1_FRAMECNT 0xc34 70 #define ES1370_REG_DAC2_FRAMEADR 0xc38 71 #define ES1370_REG_DAC2_FRAMECNT 0xc3c 72 #define ES1370_REG_ADC_FRAMEADR 0xd30 73 #define ES1370_REG_ADC_FRAMECNT 0xd34 74 #define ES1370_REG_PHANTOM_FRAMEADR 0xd38 75 #define ES1370_REG_PHANTOM_FRAMECNT 0xd3c 76 77 static const unsigned dac1_samplerate[] = { 5512, 11025, 22050, 44100 }; 78 79 #define DAC2_SRTODIV(x) (((1411200+(x)/2)/(x))-2) 80 #define DAC2_DIVTOSR(x) (1411200/((x)+2)) 81 82 #define CTRL_ADC_STOP 0x80000000 /* 1 = ADC stopped */ 83 #define CTRL_XCTL1 0x40000000 /* electret mic bias */ 84 #define CTRL_OPEN 0x20000000 /* no function, can be read and written */ 85 #define CTRL_PCLKDIV 0x1fff0000 /* ADC/DAC2 clock divider */ 86 #define CTRL_SH_PCLKDIV 16 87 #define CTRL_MSFMTSEL 0x00008000 /* MPEG serial data fmt: 0 = Sony, 1 = I2S */ 88 #define CTRL_M_SBB 0x00004000 /* DAC2 clock: 0 = PCLKDIV, 1 = MPEG */ 89 #define CTRL_WTSRSEL 0x00003000 /* DAC1 clock freq: 0=5512, 1=11025, 2=22050, 3=44100 */ 90 #define CTRL_SH_WTSRSEL 12 91 #define CTRL_DAC_SYNC 0x00000800 /* 1 = DAC2 runs off DAC1 clock */ 92 #define CTRL_CCB_INTRM 0x00000400 /* 1 = CCB "voice" ints enabled */ 93 #define CTRL_M_CB 0x00000200 /* recording source: 0 = ADC, 1 = MPEG */ 94 #define CTRL_XCTL0 0x00000100 /* 0 = Line in, 1 = Line out */ 95 #define CTRL_BREQ 0x00000080 /* 1 = test mode (internal mem test) */ 96 #define CTRL_DAC1_EN 0x00000040 /* enable DAC1 */ 97 #define CTRL_DAC2_EN 0x00000020 /* enable DAC2 */ 98 #define CTRL_ADC_EN 0x00000010 /* enable ADC */ 99 #define CTRL_UART_EN 0x00000008 /* enable MIDI uart */ 100 #define CTRL_JYSTK_EN 0x00000004 /* enable Joystick port (presumably at address 0x200) */ 101 #define CTRL_CDC_EN 0x00000002 /* enable serial (CODEC) interface */ 102 #define CTRL_SERR_DIS 0x00000001 /* 1 = disable PCI SERR signal */ 103 104 #define STAT_INTR 0x80000000 /* wired or of all interrupt bits */ 105 #define STAT_CSTAT 0x00000400 /* 1 = codec busy or codec write in progress */ 106 #define STAT_CBUSY 0x00000200 /* 1 = codec busy */ 107 #define STAT_CWRIP 0x00000100 /* 1 = codec write in progress */ 108 #define STAT_VC 0x00000060 /* CCB int source, 0=DAC1, 1=DAC2, 2=ADC, 3=undef */ 109 #define STAT_SH_VC 5 110 #define STAT_MCCB 0x00000010 /* CCB int pending */ 111 #define STAT_UART 0x00000008 /* UART int pending */ 112 #define STAT_DAC1 0x00000004 /* DAC1 int pending */ 113 #define STAT_DAC2 0x00000002 /* DAC2 int pending */ 114 #define STAT_ADC 0x00000001 /* ADC int pending */ 115 116 #define USTAT_RXINT 0x80 /* UART rx int pending */ 117 #define USTAT_TXINT 0x04 /* UART tx int pending */ 118 #define USTAT_TXRDY 0x02 /* UART tx ready */ 119 #define USTAT_RXRDY 0x01 /* UART rx ready */ 120 121 #define UCTRL_RXINTEN 0x80 /* 1 = enable RX ints */ 122 #define UCTRL_TXINTEN 0x60 /* TX int enable field mask */ 123 #define UCTRL_ENA_TXINT 0x20 /* enable TX int */ 124 #define UCTRL_CNTRL 0x03 /* control field */ 125 #define UCTRL_CNTRL_SWR 0x03 /* software reset command */ 126 127 #define SCTRL_P2ENDINC 0x00380000 /* */ 128 #define SCTRL_SH_P2ENDINC 19 129 #define SCTRL_P2STINC 0x00070000 /* */ 130 #define SCTRL_SH_P2STINC 16 131 #define SCTRL_R1LOOPSEL 0x00008000 /* 0 = loop mode */ 132 #define SCTRL_P2LOOPSEL 0x00004000 /* 0 = loop mode */ 133 #define SCTRL_P1LOOPSEL 0x00002000 /* 0 = loop mode */ 134 #define SCTRL_P2PAUSE 0x00001000 /* 1 = pause mode */ 135 #define SCTRL_P1PAUSE 0x00000800 /* 1 = pause mode */ 136 #define SCTRL_R1INTEN 0x00000400 /* enable interrupt */ 137 #define SCTRL_P2INTEN 0x00000200 /* enable interrupt */ 138 #define SCTRL_P1INTEN 0x00000100 /* enable interrupt */ 139 #define SCTRL_P1SCTRLD 0x00000080 /* reload sample count register for DAC1 */ 140 #define SCTRL_P2DACSEN 0x00000040 /* 1 = DAC2 play back last sample when disabled */ 141 #define SCTRL_R1SEB 0x00000020 /* 1 = 16bit */ 142 #define SCTRL_R1SMB 0x00000010 /* 1 = stereo */ 143 #define SCTRL_R1FMT 0x00000030 /* format mask */ 144 #define SCTRL_SH_R1FMT 4 145 #define SCTRL_P2SEB 0x00000008 /* 1 = 16bit */ 146 #define SCTRL_P2SMB 0x00000004 /* 1 = stereo */ 147 #define SCTRL_P2FMT 0x0000000c /* format mask */ 148 #define SCTRL_SH_P2FMT 2 149 #define SCTRL_P1SEB 0x00000002 /* 1 = 16bit */ 150 #define SCTRL_P1SMB 0x00000001 /* 1 = stereo */ 151 #define SCTRL_P1FMT 0x00000003 /* format mask */ 152 #define SCTRL_SH_P1FMT 0 153 154 /* End blatant GPL violation */ 155 156 #define NB_CHANNELS 3 157 #define DAC1_CHANNEL 0 158 #define DAC2_CHANNEL 1 159 #define ADC_CHANNEL 2 160 161 static void es1370_dac1_callback (void *opaque, int free); 162 static void es1370_dac2_callback (void *opaque, int free); 163 static void es1370_adc_callback (void *opaque, int avail); 164 165 #ifdef DEBUG_ES1370 166 167 #define ldebug(...) AUD_log ("es1370", __VA_ARGS__) 168 169 static void print_ctl (uint32_t val) 170 { 171 char buf[1024]; 172 173 buf[0] = '\0'; 174 #define a(n) if (val & CTRL_##n) strcat (buf, " "#n) 175 a (ADC_STOP); 176 a (XCTL1); 177 a (OPEN); 178 a (MSFMTSEL); 179 a (M_SBB); 180 a (DAC_SYNC); 181 a (CCB_INTRM); 182 a (M_CB); 183 a (XCTL0); 184 a (BREQ); 185 a (DAC1_EN); 186 a (DAC2_EN); 187 a (ADC_EN); 188 a (UART_EN); 189 a (JYSTK_EN); 190 a (CDC_EN); 191 a (SERR_DIS); 192 #undef a 193 AUD_log ("es1370", "ctl - PCLKDIV %d(DAC2 freq %d), freq %d,%s\n", 194 (val & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV, 195 DAC2_DIVTOSR ((val & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV), 196 dac1_samplerate[(val & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL], 197 buf); 198 } 199 200 static void print_sctl (uint32_t val) 201 { 202 static const char *fmt_names[] = {"8M", "8S", "16M", "16S"}; 203 char buf[1024]; 204 205 buf[0] = '\0'; 206 207 #define a(n) if (val & SCTRL_##n) strcat (buf, " "#n) 208 #define b(n) if (!(val & SCTRL_##n)) strcat (buf, " "#n) 209 b (R1LOOPSEL); 210 b (P2LOOPSEL); 211 b (P1LOOPSEL); 212 a (P2PAUSE); 213 a (P1PAUSE); 214 a (R1INTEN); 215 a (P2INTEN); 216 a (P1INTEN); 217 a (P1SCTRLD); 218 a (P2DACSEN); 219 if (buf[0]) { 220 strcat (buf, "\n "); 221 } 222 else { 223 buf[0] = ' '; 224 buf[1] = '\0'; 225 } 226 #undef b 227 #undef a 228 AUD_log ("es1370", 229 "%s" 230 "p2_end_inc %d, p2_st_inc %d, r1_fmt %s, p2_fmt %s, p1_fmt %s\n", 231 buf, 232 (val & SCTRL_P2ENDINC) >> SCTRL_SH_P2ENDINC, 233 (val & SCTRL_P2STINC) >> SCTRL_SH_P2STINC, 234 fmt_names [(val >> SCTRL_SH_R1FMT) & 3], 235 fmt_names [(val >> SCTRL_SH_P2FMT) & 3], 236 fmt_names [(val >> SCTRL_SH_P1FMT) & 3] 237 ); 238 } 239 #else 240 #define ldebug(...) 241 #define print_ctl(...) 242 #define print_sctl(...) 243 #endif 244 245 #ifdef VERBOSE_ES1370 246 #define dolog(...) AUD_log ("es1370", __VA_ARGS__) 247 #else 248 #define dolog(...) 249 #endif 250 251 #ifndef SILENT_ES1370 252 #define lwarn(...) AUD_log ("es1370: warning", __VA_ARGS__) 253 #else 254 #define lwarn(...) 255 #endif 256 257 struct chan { 258 uint32_t shift; 259 uint32_t leftover; 260 uint32_t scount; 261 uint32_t frame_addr; 262 uint32_t frame_cnt; 263 }; 264 265 typedef struct ES1370State { 266 PCIDevice dev; 267 QEMUSoundCard card; 268 MemoryRegion io; 269 struct chan chan[NB_CHANNELS]; 270 SWVoiceOut *dac_voice[2]; 271 SWVoiceIn *adc_voice; 272 273 uint32_t ctl; 274 uint32_t status; 275 uint32_t mempage; 276 uint32_t codec; 277 uint32_t sctl; 278 } ES1370State; 279 280 struct chan_bits { 281 uint32_t ctl_en; 282 uint32_t stat_int; 283 uint32_t sctl_pause; 284 uint32_t sctl_inten; 285 uint32_t sctl_fmt; 286 uint32_t sctl_sh_fmt; 287 uint32_t sctl_loopsel; 288 void (*calc_freq) (ES1370State *s, uint32_t ctl, 289 uint32_t *old_freq, uint32_t *new_freq); 290 }; 291 292 #define TYPE_ES1370 "ES1370" 293 #define ES1370(obj) \ 294 OBJECT_CHECK(ES1370State, (obj), TYPE_ES1370) 295 296 static void es1370_dac1_calc_freq (ES1370State *s, uint32_t ctl, 297 uint32_t *old_freq, uint32_t *new_freq); 298 static void es1370_dac2_and_adc_calc_freq (ES1370State *s, uint32_t ctl, 299 uint32_t *old_freq, 300 uint32_t *new_freq); 301 302 static const struct chan_bits es1370_chan_bits[] = { 303 {CTRL_DAC1_EN, STAT_DAC1, SCTRL_P1PAUSE, SCTRL_P1INTEN, 304 SCTRL_P1FMT, SCTRL_SH_P1FMT, SCTRL_P1LOOPSEL, 305 es1370_dac1_calc_freq}, 306 307 {CTRL_DAC2_EN, STAT_DAC2, SCTRL_P2PAUSE, SCTRL_P2INTEN, 308 SCTRL_P2FMT, SCTRL_SH_P2FMT, SCTRL_P2LOOPSEL, 309 es1370_dac2_and_adc_calc_freq}, 310 311 {CTRL_ADC_EN, STAT_ADC, 0, SCTRL_R1INTEN, 312 SCTRL_R1FMT, SCTRL_SH_R1FMT, SCTRL_R1LOOPSEL, 313 es1370_dac2_and_adc_calc_freq} 314 }; 315 316 static void es1370_update_status (ES1370State *s, uint32_t new_status) 317 { 318 uint32_t level = new_status & (STAT_DAC1 | STAT_DAC2 | STAT_ADC); 319 320 if (level) { 321 s->status = new_status | STAT_INTR; 322 } 323 else { 324 s->status = new_status & ~STAT_INTR; 325 } 326 pci_set_irq(&s->dev, !!level); 327 } 328 329 static void es1370_reset (ES1370State *s) 330 { 331 size_t i; 332 333 s->ctl = 1; 334 s->status = 0x60; 335 s->mempage = 0; 336 s->codec = 0; 337 s->sctl = 0; 338 339 for (i = 0; i < NB_CHANNELS; ++i) { 340 struct chan *d = &s->chan[i]; 341 d->scount = 0; 342 d->leftover = 0; 343 if (i == ADC_CHANNEL) { 344 AUD_close_in (&s->card, s->adc_voice); 345 s->adc_voice = NULL; 346 } 347 else { 348 AUD_close_out (&s->card, s->dac_voice[i]); 349 s->dac_voice[i] = NULL; 350 } 351 } 352 pci_irq_deassert(&s->dev); 353 } 354 355 static void es1370_maybe_lower_irq (ES1370State *s, uint32_t sctl) 356 { 357 uint32_t new_status = s->status; 358 359 if (!(sctl & SCTRL_P1INTEN) && (s->sctl & SCTRL_P1INTEN)) { 360 new_status &= ~STAT_DAC1; 361 } 362 363 if (!(sctl & SCTRL_P2INTEN) && (s->sctl & SCTRL_P2INTEN)) { 364 new_status &= ~STAT_DAC2; 365 } 366 367 if (!(sctl & SCTRL_R1INTEN) && (s->sctl & SCTRL_R1INTEN)) { 368 new_status &= ~STAT_ADC; 369 } 370 371 if (new_status != s->status) { 372 es1370_update_status (s, new_status); 373 } 374 } 375 376 static void es1370_dac1_calc_freq (ES1370State *s, uint32_t ctl, 377 uint32_t *old_freq, uint32_t *new_freq) 378 379 { 380 *old_freq = dac1_samplerate[(s->ctl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL]; 381 *new_freq = dac1_samplerate[(ctl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL]; 382 } 383 384 static void es1370_dac2_and_adc_calc_freq (ES1370State *s, uint32_t ctl, 385 uint32_t *old_freq, 386 uint32_t *new_freq) 387 388 { 389 uint32_t old_pclkdiv, new_pclkdiv; 390 391 new_pclkdiv = (ctl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV; 392 old_pclkdiv = (s->ctl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV; 393 *new_freq = DAC2_DIVTOSR (new_pclkdiv); 394 *old_freq = DAC2_DIVTOSR (old_pclkdiv); 395 } 396 397 static void es1370_update_voices (ES1370State *s, uint32_t ctl, uint32_t sctl) 398 { 399 size_t i; 400 uint32_t old_freq, new_freq, old_fmt, new_fmt; 401 402 for (i = 0; i < NB_CHANNELS; ++i) { 403 struct chan *d = &s->chan[i]; 404 const struct chan_bits *b = &es1370_chan_bits[i]; 405 406 new_fmt = (sctl & b->sctl_fmt) >> b->sctl_sh_fmt; 407 old_fmt = (s->sctl & b->sctl_fmt) >> b->sctl_sh_fmt; 408 409 b->calc_freq (s, ctl, &old_freq, &new_freq); 410 411 if ((old_fmt != new_fmt) || (old_freq != new_freq)) { 412 d->shift = (new_fmt & 1) + (new_fmt >> 1); 413 ldebug ("channel %zu, freq = %d, nchannels %d, fmt %d, shift %d\n", 414 i, 415 new_freq, 416 1 << (new_fmt & 1), 417 (new_fmt & 2) ? AUD_FMT_S16 : AUD_FMT_U8, 418 d->shift); 419 if (new_freq) { 420 struct audsettings as; 421 422 as.freq = new_freq; 423 as.nchannels = 1 << (new_fmt & 1); 424 as.fmt = (new_fmt & 2) ? AUD_FMT_S16 : AUD_FMT_U8; 425 as.endianness = 0; 426 427 if (i == ADC_CHANNEL) { 428 s->adc_voice = 429 AUD_open_in ( 430 &s->card, 431 s->adc_voice, 432 "es1370.adc", 433 s, 434 es1370_adc_callback, 435 &as 436 ); 437 } 438 else { 439 s->dac_voice[i] = 440 AUD_open_out ( 441 &s->card, 442 s->dac_voice[i], 443 i ? "es1370.dac2" : "es1370.dac1", 444 s, 445 i ? es1370_dac2_callback : es1370_dac1_callback, 446 &as 447 ); 448 } 449 } 450 } 451 452 if (((ctl ^ s->ctl) & b->ctl_en) 453 || ((sctl ^ s->sctl) & b->sctl_pause)) { 454 int on = (ctl & b->ctl_en) && !(sctl & b->sctl_pause); 455 456 if (i == ADC_CHANNEL) { 457 AUD_set_active_in (s->adc_voice, on); 458 } 459 else { 460 AUD_set_active_out (s->dac_voice[i], on); 461 } 462 } 463 } 464 465 s->ctl = ctl; 466 s->sctl = sctl; 467 } 468 469 static inline uint32_t es1370_fixup (ES1370State *s, uint32_t addr) 470 { 471 addr &= 0xff; 472 if (addr >= 0x30 && addr <= 0x3f) 473 addr |= s->mempage << 8; 474 return addr; 475 } 476 477 static void es1370_write(void *opaque, hwaddr addr, uint64_t val, unsigned size) 478 { 479 ES1370State *s = opaque; 480 struct chan *d = &s->chan[0]; 481 482 addr = es1370_fixup (s, addr); 483 484 switch (addr) { 485 case ES1370_REG_CONTROL: 486 es1370_update_voices (s, val, s->sctl); 487 print_ctl (val); 488 break; 489 490 case ES1370_REG_MEMPAGE: 491 s->mempage = val & 0xf; 492 break; 493 494 case ES1370_REG_SERIAL_CONTROL: 495 es1370_maybe_lower_irq (s, val); 496 es1370_update_voices (s, s->ctl, val); 497 print_sctl (val); 498 break; 499 500 case ES1370_REG_DAC1_SCOUNT: 501 case ES1370_REG_DAC2_SCOUNT: 502 case ES1370_REG_ADC_SCOUNT: 503 d += (addr - ES1370_REG_DAC1_SCOUNT) >> 2; 504 d->scount = (val & 0xffff) | (d->scount & ~0xffff); 505 ldebug ("chan %td CURR_SAMP_CT %d, SAMP_CT %d\n", 506 d - &s->chan[0], val >> 16, (val & 0xffff)); 507 break; 508 509 case ES1370_REG_ADC_FRAMEADR: 510 d += 2; 511 goto frameadr; 512 case ES1370_REG_DAC1_FRAMEADR: 513 case ES1370_REG_DAC2_FRAMEADR: 514 d += (addr - ES1370_REG_DAC1_FRAMEADR) >> 3; 515 frameadr: 516 d->frame_addr = val; 517 ldebug ("chan %td frame address %#x\n", d - &s->chan[0], val); 518 break; 519 520 case ES1370_REG_PHANTOM_FRAMECNT: 521 lwarn ("writing to phantom frame count %#x\n", val); 522 break; 523 case ES1370_REG_PHANTOM_FRAMEADR: 524 lwarn ("writing to phantom frame address %#x\n", val); 525 break; 526 527 case ES1370_REG_ADC_FRAMECNT: 528 d += 2; 529 goto framecnt; 530 case ES1370_REG_DAC1_FRAMECNT: 531 case ES1370_REG_DAC2_FRAMECNT: 532 d += (addr - ES1370_REG_DAC1_FRAMECNT) >> 3; 533 framecnt: 534 d->frame_cnt = val; 535 d->leftover = 0; 536 ldebug ("chan %td frame count %d, buffer size %d\n", 537 d - &s->chan[0], val >> 16, val & 0xffff); 538 break; 539 540 default: 541 lwarn ("writel %#x <- %#x\n", addr, val); 542 break; 543 } 544 } 545 546 static uint64_t es1370_read(void *opaque, hwaddr addr, unsigned size) 547 { 548 ES1370State *s = opaque; 549 uint32_t val; 550 struct chan *d = &s->chan[0]; 551 552 addr = es1370_fixup (s, addr); 553 554 switch (addr) { 555 case ES1370_REG_CONTROL: 556 val = s->ctl; 557 break; 558 case ES1370_REG_STATUS: 559 val = s->status; 560 break; 561 case ES1370_REG_MEMPAGE: 562 val = s->mempage; 563 break; 564 case ES1370_REG_CODEC: 565 val = s->codec; 566 break; 567 case ES1370_REG_SERIAL_CONTROL: 568 val = s->sctl; 569 break; 570 571 case ES1370_REG_DAC1_SCOUNT: 572 case ES1370_REG_DAC2_SCOUNT: 573 case ES1370_REG_ADC_SCOUNT: 574 d += (addr - ES1370_REG_DAC1_SCOUNT) >> 2; 575 val = d->scount; 576 #ifdef DEBUG_ES1370 577 { 578 uint32_t curr_count = d->scount >> 16; 579 uint32_t count = d->scount & 0xffff; 580 581 curr_count <<= d->shift; 582 count <<= d->shift; 583 dolog ("read scount curr %d, total %d\n", curr_count, count); 584 } 585 #endif 586 break; 587 588 case ES1370_REG_DAC1_FRAMECNT: 589 case ES1370_REG_DAC2_FRAMECNT: 590 case ES1370_REG_ADC_FRAMECNT: 591 d += (addr - ES1370_REG_DAC1_FRAMECNT) >> 3; 592 val = d->frame_cnt; 593 #ifdef DEBUG_ES1370 594 { 595 uint32_t size = ((d->frame_cnt & 0xffff) + 1) << 2; 596 uint32_t curr = ((d->frame_cnt >> 16) + 1) << 2; 597 if (curr > size) { 598 dolog ("read framecnt curr %d, size %d %d\n", curr, size, 599 curr > size); 600 } 601 } 602 #endif 603 break; 604 605 case ES1370_REG_DAC1_FRAMEADR: 606 case ES1370_REG_DAC2_FRAMEADR: 607 case ES1370_REG_ADC_FRAMEADR: 608 d += (addr - ES1370_REG_DAC1_FRAMEADR) >> 3; 609 val = d->frame_addr; 610 break; 611 612 case ES1370_REG_PHANTOM_FRAMECNT: 613 val = ~0U; 614 lwarn ("reading from phantom frame count\n"); 615 break; 616 case ES1370_REG_PHANTOM_FRAMEADR: 617 val = ~0U; 618 lwarn ("reading from phantom frame address\n"); 619 break; 620 621 default: 622 val = ~0U; 623 lwarn ("readl %#x -> %#x\n", addr, val); 624 break; 625 } 626 return val; 627 } 628 629 static void es1370_transfer_audio (ES1370State *s, struct chan *d, int loop_sel, 630 int max, int *irq) 631 { 632 uint8_t tmpbuf[4096]; 633 uint32_t addr = d->frame_addr; 634 int sc = d->scount & 0xffff; 635 int csc = d->scount >> 16; 636 int csc_bytes = (csc + 1) << d->shift; 637 int cnt = d->frame_cnt >> 16; 638 int size = d->frame_cnt & 0xffff; 639 int left = ((size - cnt + 1) << 2) + d->leftover; 640 int transferred = 0; 641 int temp = audio_MIN (max, audio_MIN (left, csc_bytes)); 642 int index = d - &s->chan[0]; 643 644 addr += (cnt << 2) + d->leftover; 645 646 if (index == ADC_CHANNEL) { 647 while (temp) { 648 int acquired, to_copy; 649 650 to_copy = audio_MIN ((size_t) temp, sizeof (tmpbuf)); 651 acquired = AUD_read (s->adc_voice, tmpbuf, to_copy); 652 if (!acquired) 653 break; 654 655 pci_dma_write (&s->dev, addr, tmpbuf, acquired); 656 657 temp -= acquired; 658 addr += acquired; 659 transferred += acquired; 660 } 661 } 662 else { 663 SWVoiceOut *voice = s->dac_voice[index]; 664 665 while (temp) { 666 int copied, to_copy; 667 668 to_copy = audio_MIN ((size_t) temp, sizeof (tmpbuf)); 669 pci_dma_read (&s->dev, addr, tmpbuf, to_copy); 670 copied = AUD_write (voice, tmpbuf, to_copy); 671 if (!copied) 672 break; 673 temp -= copied; 674 addr += copied; 675 transferred += copied; 676 } 677 } 678 679 if (csc_bytes == transferred) { 680 *irq = 1; 681 d->scount = sc | (sc << 16); 682 ldebug ("sc = %d, rate = %f\n", 683 (sc + 1) << d->shift, 684 (sc + 1) / (double) 44100); 685 } 686 else { 687 *irq = 0; 688 d->scount = sc | (((csc_bytes - transferred - 1) >> d->shift) << 16); 689 } 690 691 cnt += (transferred + d->leftover) >> 2; 692 693 if (s->sctl & loop_sel) { 694 /* Bah, how stupid is that having a 0 represent true value? 695 i just spent few hours on this shit */ 696 AUD_log ("es1370: warning", "non looping mode\n"); 697 } 698 else { 699 d->frame_cnt = size; 700 701 if ((uint32_t) cnt <= d->frame_cnt) 702 d->frame_cnt |= cnt << 16; 703 } 704 705 d->leftover = (transferred + d->leftover) & 3; 706 } 707 708 static void es1370_run_channel (ES1370State *s, size_t chan, int free_or_avail) 709 { 710 uint32_t new_status = s->status; 711 int max_bytes, irq; 712 struct chan *d = &s->chan[chan]; 713 const struct chan_bits *b = &es1370_chan_bits[chan]; 714 715 if (!(s->ctl & b->ctl_en) || (s->sctl & b->sctl_pause)) { 716 return; 717 } 718 719 max_bytes = free_or_avail; 720 max_bytes &= ~((1 << d->shift) - 1); 721 if (!max_bytes) { 722 return; 723 } 724 725 es1370_transfer_audio (s, d, b->sctl_loopsel, max_bytes, &irq); 726 727 if (irq) { 728 if (s->sctl & b->sctl_inten) { 729 new_status |= b->stat_int; 730 } 731 } 732 733 if (new_status != s->status) { 734 es1370_update_status (s, new_status); 735 } 736 } 737 738 static void es1370_dac1_callback (void *opaque, int free) 739 { 740 ES1370State *s = opaque; 741 742 es1370_run_channel (s, DAC1_CHANNEL, free); 743 } 744 745 static void es1370_dac2_callback (void *opaque, int free) 746 { 747 ES1370State *s = opaque; 748 749 es1370_run_channel (s, DAC2_CHANNEL, free); 750 } 751 752 static void es1370_adc_callback (void *opaque, int avail) 753 { 754 ES1370State *s = opaque; 755 756 es1370_run_channel (s, ADC_CHANNEL, avail); 757 } 758 759 static const MemoryRegionOps es1370_io_ops = { 760 .read = es1370_read, 761 .write = es1370_write, 762 .valid = { 763 .min_access_size = 1, 764 .max_access_size = 4, 765 }, 766 .impl = { 767 .min_access_size = 4, 768 .max_access_size = 4, 769 }, 770 .endianness = DEVICE_LITTLE_ENDIAN, 771 }; 772 773 static const VMStateDescription vmstate_es1370_channel = { 774 .name = "es1370_channel", 775 .version_id = 2, 776 .minimum_version_id = 2, 777 .fields = (VMStateField[]) { 778 VMSTATE_UINT32 (shift, struct chan), 779 VMSTATE_UINT32 (leftover, struct chan), 780 VMSTATE_UINT32 (scount, struct chan), 781 VMSTATE_UINT32 (frame_addr, struct chan), 782 VMSTATE_UINT32 (frame_cnt, struct chan), 783 VMSTATE_END_OF_LIST () 784 } 785 }; 786 787 static int es1370_post_load (void *opaque, int version_id) 788 { 789 uint32_t ctl, sctl; 790 ES1370State *s = opaque; 791 size_t i; 792 793 for (i = 0; i < NB_CHANNELS; ++i) { 794 if (i == ADC_CHANNEL) { 795 if (s->adc_voice) { 796 AUD_close_in (&s->card, s->adc_voice); 797 s->adc_voice = NULL; 798 } 799 } 800 else { 801 if (s->dac_voice[i]) { 802 AUD_close_out (&s->card, s->dac_voice[i]); 803 s->dac_voice[i] = NULL; 804 } 805 } 806 } 807 808 ctl = s->ctl; 809 sctl = s->sctl; 810 s->ctl = 0; 811 s->sctl = 0; 812 es1370_update_voices (s, ctl, sctl); 813 return 0; 814 } 815 816 static const VMStateDescription vmstate_es1370 = { 817 .name = "es1370", 818 .version_id = 2, 819 .minimum_version_id = 2, 820 .post_load = es1370_post_load, 821 .fields = (VMStateField[]) { 822 VMSTATE_PCI_DEVICE (dev, ES1370State), 823 VMSTATE_STRUCT_ARRAY (chan, ES1370State, NB_CHANNELS, 2, 824 vmstate_es1370_channel, struct chan), 825 VMSTATE_UINT32 (ctl, ES1370State), 826 VMSTATE_UINT32 (status, ES1370State), 827 VMSTATE_UINT32 (mempage, ES1370State), 828 VMSTATE_UINT32 (codec, ES1370State), 829 VMSTATE_UINT32 (sctl, ES1370State), 830 VMSTATE_END_OF_LIST () 831 } 832 }; 833 834 static void es1370_on_reset(DeviceState *dev) 835 { 836 ES1370State *s = container_of(dev, ES1370State, dev.qdev); 837 es1370_reset (s); 838 } 839 840 static void es1370_realize(PCIDevice *dev, Error **errp) 841 { 842 ES1370State *s = ES1370(dev); 843 uint8_t *c = s->dev.config; 844 845 c[PCI_STATUS + 1] = PCI_STATUS_DEVSEL_SLOW >> 8; 846 847 #if 0 848 c[PCI_CAPABILITY_LIST] = 0xdc; 849 c[PCI_INTERRUPT_LINE] = 10; 850 c[0xdc] = 0x00; 851 #endif 852 853 c[PCI_INTERRUPT_PIN] = 1; 854 c[PCI_MIN_GNT] = 0x0c; 855 c[PCI_MAX_LAT] = 0x80; 856 857 memory_region_init_io (&s->io, OBJECT(s), &es1370_io_ops, s, "es1370", 256); 858 pci_register_bar (&s->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io); 859 860 AUD_register_card ("es1370", &s->card); 861 es1370_reset (s); 862 } 863 864 static void es1370_exit(PCIDevice *dev) 865 { 866 ES1370State *s = ES1370(dev); 867 int i; 868 869 for (i = 0; i < 2; ++i) { 870 AUD_close_out(&s->card, s->dac_voice[i]); 871 } 872 873 AUD_close_in(&s->card, s->adc_voice); 874 AUD_remove_card(&s->card); 875 } 876 877 static int es1370_init (PCIBus *bus) 878 { 879 pci_create_simple (bus, -1, TYPE_ES1370); 880 return 0; 881 } 882 883 static void es1370_class_init (ObjectClass *klass, void *data) 884 { 885 DeviceClass *dc = DEVICE_CLASS (klass); 886 PCIDeviceClass *k = PCI_DEVICE_CLASS (klass); 887 888 k->realize = es1370_realize; 889 k->exit = es1370_exit; 890 k->vendor_id = PCI_VENDOR_ID_ENSONIQ; 891 k->device_id = PCI_DEVICE_ID_ENSONIQ_ES1370; 892 k->class_id = PCI_CLASS_MULTIMEDIA_AUDIO; 893 k->subsystem_vendor_id = 0x4942; 894 k->subsystem_id = 0x4c4c; 895 set_bit(DEVICE_CATEGORY_SOUND, dc->categories); 896 dc->desc = "ENSONIQ AudioPCI ES1370"; 897 dc->vmsd = &vmstate_es1370; 898 dc->reset = es1370_on_reset; 899 } 900 901 static const TypeInfo es1370_info = { 902 .name = TYPE_ES1370, 903 .parent = TYPE_PCI_DEVICE, 904 .instance_size = sizeof (ES1370State), 905 .class_init = es1370_class_init, 906 .interfaces = (InterfaceInfo[]) { 907 { INTERFACE_CONVENTIONAL_PCI_DEVICE }, 908 { }, 909 }, 910 }; 911 912 static void es1370_register_types (void) 913 { 914 type_register_static (&es1370_info); 915 pci_register_soundhw("es1370", "ENSONIQ AudioPCI ES1370", es1370_init); 916 } 917 918 type_init (es1370_register_types) 919 920