1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 4 * Abramo Bagnara <abramo@alsa-project.org> 5 * Cirrus Logic, Inc. 6 * Routines for control of Cirrus Logic CS461x chips 7 * 8 * KNOWN BUGS: 9 * - Sometimes the SPDIF input DSP tasks get's unsynchronized 10 * and the SPDIF get somewhat "distorcionated", or/and left right channel 11 * are swapped. To get around this problem when it happens, mute and unmute 12 * the SPDIF input mixer control. 13 * - On the Hercules Game Theater XP the amplifier are sometimes turned 14 * off on inadecuate moments which causes distorcions on sound. 15 * 16 * TODO: 17 * - Secondary CODEC on some soundcards 18 * - SPDIF input support for other sample rates then 48khz 19 * - Posibility to mix the SPDIF output with analog sources. 20 * - PCM channels for Center and LFE on secondary codec 21 * 22 * NOTE: with CONFIG_SND_CS46XX_NEW_DSP unset uses old DSP image (which 23 * is default configuration), no SPDIF, no secondary codec, no 24 * multi channel PCM. But known to work. 25 * 26 * FINALLY: A credit to the developers Tom and Jordan 27 * at Cirrus for have helping me out with the DSP, however we 28 * still don't have sufficient documentation and technical 29 * references to be able to implement all fancy feutures 30 * supported by the cs46xx DSP's. 31 * Benny <benny@hostmobility.com> 32 */ 33 34 #include <linux/delay.h> 35 #include <linux/pci.h> 36 #include <linux/pm.h> 37 #include <linux/init.h> 38 #include <linux/interrupt.h> 39 #include <linux/slab.h> 40 #include <linux/gameport.h> 41 #include <linux/mutex.h> 42 #include <linux/export.h> 43 #include <linux/module.h> 44 #include <linux/firmware.h> 45 #include <linux/vmalloc.h> 46 #include <linux/io.h> 47 48 #include <sound/core.h> 49 #include <sound/control.h> 50 #include <sound/info.h> 51 #include <sound/pcm.h> 52 #include <sound/pcm_params.h> 53 #include "cs46xx.h" 54 55 #include "cs46xx_lib.h" 56 #include "dsp_spos.h" 57 58 static void amp_voyetra(struct snd_cs46xx *chip, int change); 59 60 #ifdef CONFIG_SND_CS46XX_NEW_DSP 61 static const struct snd_pcm_ops snd_cs46xx_playback_rear_ops; 62 static const struct snd_pcm_ops snd_cs46xx_playback_indirect_rear_ops; 63 static const struct snd_pcm_ops snd_cs46xx_playback_clfe_ops; 64 static const struct snd_pcm_ops snd_cs46xx_playback_indirect_clfe_ops; 65 static const struct snd_pcm_ops snd_cs46xx_playback_iec958_ops; 66 static const struct snd_pcm_ops snd_cs46xx_playback_indirect_iec958_ops; 67 #endif 68 69 static const struct snd_pcm_ops snd_cs46xx_playback_ops; 70 static const struct snd_pcm_ops snd_cs46xx_playback_indirect_ops; 71 static const struct snd_pcm_ops snd_cs46xx_capture_ops; 72 static const struct snd_pcm_ops snd_cs46xx_capture_indirect_ops; 73 74 static unsigned short snd_cs46xx_codec_read(struct snd_cs46xx *chip, 75 unsigned short reg, 76 int codec_index) 77 { 78 int count; 79 unsigned short result,tmp; 80 u32 offset = 0; 81 82 if (snd_BUG_ON(codec_index != CS46XX_PRIMARY_CODEC_INDEX && 83 codec_index != CS46XX_SECONDARY_CODEC_INDEX)) 84 return 0xffff; 85 86 chip->active_ctrl(chip, 1); 87 88 if (codec_index == CS46XX_SECONDARY_CODEC_INDEX) 89 offset = CS46XX_SECONDARY_CODEC_OFFSET; 90 91 /* 92 * 1. Write ACCAD = Command Address Register = 46Ch for AC97 register address 93 * 2. Write ACCDA = Command Data Register = 470h for data to write to AC97 94 * 3. Write ACCTL = Control Register = 460h for initiating the write7---55 95 * 4. Read ACCTL = 460h, DCV should be reset by now and 460h = 17h 96 * 5. if DCV not cleared, break and return error 97 * 6. Read ACSTS = Status Register = 464h, check VSTS bit 98 */ 99 100 snd_cs46xx_peekBA0(chip, BA0_ACSDA + offset); 101 102 tmp = snd_cs46xx_peekBA0(chip, BA0_ACCTL); 103 if ((tmp & ACCTL_VFRM) == 0) { 104 dev_warn(chip->card->dev, "ACCTL_VFRM not set 0x%x\n", tmp); 105 snd_cs46xx_pokeBA0(chip, BA0_ACCTL, (tmp & (~ACCTL_ESYN)) | ACCTL_VFRM ); 106 msleep(50); 107 tmp = snd_cs46xx_peekBA0(chip, BA0_ACCTL + offset); 108 snd_cs46xx_pokeBA0(chip, BA0_ACCTL, tmp | ACCTL_ESYN | ACCTL_VFRM ); 109 110 } 111 112 /* 113 * Setup the AC97 control registers on the CS461x to send the 114 * appropriate command to the AC97 to perform the read. 115 * ACCAD = Command Address Register = 46Ch 116 * ACCDA = Command Data Register = 470h 117 * ACCTL = Control Register = 460h 118 * set DCV - will clear when process completed 119 * set CRW - Read command 120 * set VFRM - valid frame enabled 121 * set ESYN - ASYNC generation enabled 122 * set RSTN - ARST# inactive, AC97 codec not reset 123 */ 124 125 snd_cs46xx_pokeBA0(chip, BA0_ACCAD, reg); 126 snd_cs46xx_pokeBA0(chip, BA0_ACCDA, 0); 127 if (codec_index == CS46XX_PRIMARY_CODEC_INDEX) { 128 snd_cs46xx_pokeBA0(chip, BA0_ACCTL,/* clear ACCTL_DCV */ ACCTL_CRW | 129 ACCTL_VFRM | ACCTL_ESYN | 130 ACCTL_RSTN); 131 snd_cs46xx_pokeBA0(chip, BA0_ACCTL, ACCTL_DCV | ACCTL_CRW | 132 ACCTL_VFRM | ACCTL_ESYN | 133 ACCTL_RSTN); 134 } else { 135 snd_cs46xx_pokeBA0(chip, BA0_ACCTL, ACCTL_DCV | ACCTL_TC | 136 ACCTL_CRW | ACCTL_VFRM | ACCTL_ESYN | 137 ACCTL_RSTN); 138 } 139 140 /* 141 * Wait for the read to occur. 142 */ 143 for (count = 0; count < 1000; count++) { 144 /* 145 * First, we want to wait for a short time. 146 */ 147 udelay(10); 148 /* 149 * Now, check to see if the read has completed. 150 * ACCTL = 460h, DCV should be reset by now and 460h = 17h 151 */ 152 if (!(snd_cs46xx_peekBA0(chip, BA0_ACCTL) & ACCTL_DCV)) 153 goto ok1; 154 } 155 156 dev_err(chip->card->dev, 157 "AC'97 read problem (ACCTL_DCV), reg = 0x%x\n", reg); 158 result = 0xffff; 159 goto end; 160 161 ok1: 162 /* 163 * Wait for the valid status bit to go active. 164 */ 165 for (count = 0; count < 100; count++) { 166 /* 167 * Read the AC97 status register. 168 * ACSTS = Status Register = 464h 169 * VSTS - Valid Status 170 */ 171 if (snd_cs46xx_peekBA0(chip, BA0_ACSTS + offset) & ACSTS_VSTS) 172 goto ok2; 173 udelay(10); 174 } 175 176 dev_err(chip->card->dev, 177 "AC'97 read problem (ACSTS_VSTS), codec_index %d, reg = 0x%x\n", 178 codec_index, reg); 179 result = 0xffff; 180 goto end; 181 182 ok2: 183 /* 184 * Read the data returned from the AC97 register. 185 * ACSDA = Status Data Register = 474h 186 */ 187 #if 0 188 dev_dbg(chip->card->dev, 189 "e) reg = 0x%x, val = 0x%x, BA0_ACCAD = 0x%x\n", reg, 190 snd_cs46xx_peekBA0(chip, BA0_ACSDA), 191 snd_cs46xx_peekBA0(chip, BA0_ACCAD)); 192 #endif 193 194 //snd_cs46xx_peekBA0(chip, BA0_ACCAD); 195 result = snd_cs46xx_peekBA0(chip, BA0_ACSDA + offset); 196 end: 197 chip->active_ctrl(chip, -1); 198 return result; 199 } 200 201 static unsigned short snd_cs46xx_ac97_read(struct snd_ac97 * ac97, 202 unsigned short reg) 203 { 204 struct snd_cs46xx *chip = ac97->private_data; 205 unsigned short val; 206 int codec_index = ac97->num; 207 208 if (snd_BUG_ON(codec_index != CS46XX_PRIMARY_CODEC_INDEX && 209 codec_index != CS46XX_SECONDARY_CODEC_INDEX)) 210 return 0xffff; 211 212 val = snd_cs46xx_codec_read(chip, reg, codec_index); 213 214 return val; 215 } 216 217 218 static void snd_cs46xx_codec_write(struct snd_cs46xx *chip, 219 unsigned short reg, 220 unsigned short val, 221 int codec_index) 222 { 223 int count; 224 225 if (snd_BUG_ON(codec_index != CS46XX_PRIMARY_CODEC_INDEX && 226 codec_index != CS46XX_SECONDARY_CODEC_INDEX)) 227 return; 228 229 chip->active_ctrl(chip, 1); 230 231 /* 232 * 1. Write ACCAD = Command Address Register = 46Ch for AC97 register address 233 * 2. Write ACCDA = Command Data Register = 470h for data to write to AC97 234 * 3. Write ACCTL = Control Register = 460h for initiating the write 235 * 4. Read ACCTL = 460h, DCV should be reset by now and 460h = 07h 236 * 5. if DCV not cleared, break and return error 237 */ 238 239 /* 240 * Setup the AC97 control registers on the CS461x to send the 241 * appropriate command to the AC97 to perform the read. 242 * ACCAD = Command Address Register = 46Ch 243 * ACCDA = Command Data Register = 470h 244 * ACCTL = Control Register = 460h 245 * set DCV - will clear when process completed 246 * reset CRW - Write command 247 * set VFRM - valid frame enabled 248 * set ESYN - ASYNC generation enabled 249 * set RSTN - ARST# inactive, AC97 codec not reset 250 */ 251 snd_cs46xx_pokeBA0(chip, BA0_ACCAD , reg); 252 snd_cs46xx_pokeBA0(chip, BA0_ACCDA , val); 253 snd_cs46xx_peekBA0(chip, BA0_ACCTL); 254 255 if (codec_index == CS46XX_PRIMARY_CODEC_INDEX) { 256 snd_cs46xx_pokeBA0(chip, BA0_ACCTL, /* clear ACCTL_DCV */ ACCTL_VFRM | 257 ACCTL_ESYN | ACCTL_RSTN); 258 snd_cs46xx_pokeBA0(chip, BA0_ACCTL, ACCTL_DCV | ACCTL_VFRM | 259 ACCTL_ESYN | ACCTL_RSTN); 260 } else { 261 snd_cs46xx_pokeBA0(chip, BA0_ACCTL, ACCTL_DCV | ACCTL_TC | 262 ACCTL_VFRM | ACCTL_ESYN | ACCTL_RSTN); 263 } 264 265 for (count = 0; count < 4000; count++) { 266 /* 267 * First, we want to wait for a short time. 268 */ 269 udelay(10); 270 /* 271 * Now, check to see if the write has completed. 272 * ACCTL = 460h, DCV should be reset by now and 460h = 07h 273 */ 274 if (!(snd_cs46xx_peekBA0(chip, BA0_ACCTL) & ACCTL_DCV)) { 275 goto end; 276 } 277 } 278 dev_err(chip->card->dev, 279 "AC'97 write problem, codec_index = %d, reg = 0x%x, val = 0x%x\n", 280 codec_index, reg, val); 281 end: 282 chip->active_ctrl(chip, -1); 283 } 284 285 static void snd_cs46xx_ac97_write(struct snd_ac97 *ac97, 286 unsigned short reg, 287 unsigned short val) 288 { 289 struct snd_cs46xx *chip = ac97->private_data; 290 int codec_index = ac97->num; 291 292 if (snd_BUG_ON(codec_index != CS46XX_PRIMARY_CODEC_INDEX && 293 codec_index != CS46XX_SECONDARY_CODEC_INDEX)) 294 return; 295 296 snd_cs46xx_codec_write(chip, reg, val, codec_index); 297 } 298 299 300 /* 301 * Chip initialization 302 */ 303 304 int snd_cs46xx_download(struct snd_cs46xx *chip, 305 u32 *src, 306 unsigned long offset, 307 unsigned long len) 308 { 309 void __iomem *dst; 310 unsigned int bank = offset >> 16; 311 offset = offset & 0xffff; 312 313 if (snd_BUG_ON((offset & 3) || (len & 3))) 314 return -EINVAL; 315 dst = chip->region.idx[bank+1].remap_addr + offset; 316 len /= sizeof(u32); 317 318 /* writel already converts 32-bit value to right endianess */ 319 while (len-- > 0) { 320 writel(*src++, dst); 321 dst += sizeof(u32); 322 } 323 return 0; 324 } 325 326 static inline void memcpy_le32(void *dst, const void *src, unsigned int len) 327 { 328 #ifdef __LITTLE_ENDIAN 329 memcpy(dst, src, len); 330 #else 331 u32 *_dst = dst; 332 const __le32 *_src = src; 333 len /= 4; 334 while (len-- > 0) 335 *_dst++ = le32_to_cpu(*_src++); 336 #endif 337 } 338 339 #ifdef CONFIG_SND_CS46XX_NEW_DSP 340 341 static const char *module_names[CS46XX_DSP_MODULES] = { 342 "cwc4630", "cwcasync", "cwcsnoop", "cwcbinhack", "cwcdma" 343 }; 344 345 MODULE_FIRMWARE("cs46xx/cwc4630"); 346 MODULE_FIRMWARE("cs46xx/cwcasync"); 347 MODULE_FIRMWARE("cs46xx/cwcsnoop"); 348 MODULE_FIRMWARE("cs46xx/cwcbinhack"); 349 MODULE_FIRMWARE("cs46xx/cwcdma"); 350 351 static void free_module_desc(struct dsp_module_desc *module) 352 { 353 if (!module) 354 return; 355 kfree(module->module_name); 356 kfree(module->symbol_table.symbols); 357 if (module->segments) { 358 int i; 359 for (i = 0; i < module->nsegments; i++) 360 kfree(module->segments[i].data); 361 kfree(module->segments); 362 } 363 kfree(module); 364 } 365 366 /* firmware binary format: 367 * le32 nsymbols; 368 * struct { 369 * le32 address; 370 * char symbol_name[DSP_MAX_SYMBOL_NAME]; 371 * le32 symbol_type; 372 * } symbols[nsymbols]; 373 * le32 nsegments; 374 * struct { 375 * le32 segment_type; 376 * le32 offset; 377 * le32 size; 378 * le32 data[size]; 379 * } segments[nsegments]; 380 */ 381 382 static int load_firmware(struct snd_cs46xx *chip, 383 struct dsp_module_desc **module_ret, 384 const char *fw_name) 385 { 386 int i, err; 387 unsigned int nums, fwlen, fwsize; 388 const __le32 *fwdat; 389 struct dsp_module_desc *module = NULL; 390 const struct firmware *fw; 391 char fw_path[32]; 392 393 sprintf(fw_path, "cs46xx/%s", fw_name); 394 err = request_firmware(&fw, fw_path, &chip->pci->dev); 395 if (err < 0) 396 return err; 397 fwsize = fw->size / 4; 398 if (fwsize < 2) { 399 err = -EINVAL; 400 goto error; 401 } 402 403 err = -ENOMEM; 404 module = kzalloc(sizeof(*module), GFP_KERNEL); 405 if (!module) 406 goto error; 407 module->module_name = kstrdup(fw_name, GFP_KERNEL); 408 if (!module->module_name) 409 goto error; 410 411 fwlen = 0; 412 fwdat = (const __le32 *)fw->data; 413 nums = module->symbol_table.nsymbols = le32_to_cpu(fwdat[fwlen++]); 414 if (nums >= 40) 415 goto error_inval; 416 module->symbol_table.symbols = 417 kcalloc(nums, sizeof(struct dsp_symbol_entry), GFP_KERNEL); 418 if (!module->symbol_table.symbols) 419 goto error; 420 for (i = 0; i < nums; i++) { 421 struct dsp_symbol_entry *entry = 422 &module->symbol_table.symbols[i]; 423 if (fwlen + 2 + DSP_MAX_SYMBOL_NAME / 4 > fwsize) 424 goto error_inval; 425 entry->address = le32_to_cpu(fwdat[fwlen++]); 426 memcpy(entry->symbol_name, &fwdat[fwlen], DSP_MAX_SYMBOL_NAME - 1); 427 fwlen += DSP_MAX_SYMBOL_NAME / 4; 428 entry->symbol_type = le32_to_cpu(fwdat[fwlen++]); 429 } 430 431 if (fwlen >= fwsize) 432 goto error_inval; 433 nums = module->nsegments = le32_to_cpu(fwdat[fwlen++]); 434 if (nums > 10) 435 goto error_inval; 436 module->segments = 437 kcalloc(nums, sizeof(struct dsp_segment_desc), GFP_KERNEL); 438 if (!module->segments) 439 goto error; 440 for (i = 0; i < nums; i++) { 441 struct dsp_segment_desc *entry = &module->segments[i]; 442 if (fwlen + 3 > fwsize) 443 goto error_inval; 444 entry->segment_type = le32_to_cpu(fwdat[fwlen++]); 445 entry->offset = le32_to_cpu(fwdat[fwlen++]); 446 entry->size = le32_to_cpu(fwdat[fwlen++]); 447 if (fwlen + entry->size > fwsize) 448 goto error_inval; 449 entry->data = kmalloc_array(entry->size, 4, GFP_KERNEL); 450 if (!entry->data) 451 goto error; 452 memcpy_le32(entry->data, &fwdat[fwlen], entry->size * 4); 453 fwlen += entry->size; 454 } 455 456 *module_ret = module; 457 release_firmware(fw); 458 return 0; 459 460 error_inval: 461 err = -EINVAL; 462 error: 463 free_module_desc(module); 464 release_firmware(fw); 465 return err; 466 } 467 468 int snd_cs46xx_clear_BA1(struct snd_cs46xx *chip, 469 unsigned long offset, 470 unsigned long len) 471 { 472 void __iomem *dst; 473 unsigned int bank = offset >> 16; 474 offset = offset & 0xffff; 475 476 if (snd_BUG_ON((offset & 3) || (len & 3))) 477 return -EINVAL; 478 dst = chip->region.idx[bank+1].remap_addr + offset; 479 len /= sizeof(u32); 480 481 /* writel already converts 32-bit value to right endianess */ 482 while (len-- > 0) { 483 writel(0, dst); 484 dst += sizeof(u32); 485 } 486 return 0; 487 } 488 489 #else /* old DSP image */ 490 491 struct ba1_struct { 492 struct { 493 u32 offset; 494 u32 size; 495 } memory[BA1_MEMORY_COUNT]; 496 u32 map[BA1_DWORD_SIZE]; 497 }; 498 499 MODULE_FIRMWARE("cs46xx/ba1"); 500 501 static int load_firmware(struct snd_cs46xx *chip) 502 { 503 const struct firmware *fw; 504 int i, size, err; 505 506 err = request_firmware(&fw, "cs46xx/ba1", &chip->pci->dev); 507 if (err < 0) 508 return err; 509 if (fw->size != sizeof(*chip->ba1)) { 510 err = -EINVAL; 511 goto error; 512 } 513 514 chip->ba1 = vmalloc(sizeof(*chip->ba1)); 515 if (!chip->ba1) { 516 err = -ENOMEM; 517 goto error; 518 } 519 520 memcpy_le32(chip->ba1, fw->data, sizeof(*chip->ba1)); 521 522 /* sanity check */ 523 size = 0; 524 for (i = 0; i < BA1_MEMORY_COUNT; i++) 525 size += chip->ba1->memory[i].size; 526 if (size > BA1_DWORD_SIZE * 4) 527 err = -EINVAL; 528 529 error: 530 release_firmware(fw); 531 return err; 532 } 533 534 static __maybe_unused int snd_cs46xx_download_image(struct snd_cs46xx *chip) 535 { 536 int idx, err; 537 unsigned int offset = 0; 538 struct ba1_struct *ba1 = chip->ba1; 539 540 for (idx = 0; idx < BA1_MEMORY_COUNT; idx++) { 541 err = snd_cs46xx_download(chip, 542 &ba1->map[offset], 543 ba1->memory[idx].offset, 544 ba1->memory[idx].size); 545 if (err < 0) 546 return err; 547 offset += ba1->memory[idx].size >> 2; 548 } 549 return 0; 550 } 551 #endif /* CONFIG_SND_CS46XX_NEW_DSP */ 552 553 /* 554 * Chip reset 555 */ 556 557 static void snd_cs46xx_reset(struct snd_cs46xx *chip) 558 { 559 int idx; 560 561 /* 562 * Write the reset bit of the SP control register. 563 */ 564 snd_cs46xx_poke(chip, BA1_SPCR, SPCR_RSTSP); 565 566 /* 567 * Write the control register. 568 */ 569 snd_cs46xx_poke(chip, BA1_SPCR, SPCR_DRQEN); 570 571 /* 572 * Clear the trap registers. 573 */ 574 for (idx = 0; idx < 8; idx++) { 575 snd_cs46xx_poke(chip, BA1_DREG, DREG_REGID_TRAP_SELECT + idx); 576 snd_cs46xx_poke(chip, BA1_TWPR, 0xFFFF); 577 } 578 snd_cs46xx_poke(chip, BA1_DREG, 0); 579 580 /* 581 * Set the frame timer to reflect the number of cycles per frame. 582 */ 583 snd_cs46xx_poke(chip, BA1_FRMT, 0xadf); 584 } 585 586 static int cs46xx_wait_for_fifo(struct snd_cs46xx * chip,int retry_timeout) 587 { 588 u32 i, status = 0; 589 /* 590 * Make sure the previous FIFO write operation has completed. 591 */ 592 for(i = 0; i < 50; i++){ 593 status = snd_cs46xx_peekBA0(chip, BA0_SERBST); 594 595 if( !(status & SERBST_WBSY) ) 596 break; 597 598 mdelay(retry_timeout); 599 } 600 601 if(status & SERBST_WBSY) { 602 dev_err(chip->card->dev, 603 "failure waiting for FIFO command to complete\n"); 604 return -EINVAL; 605 } 606 607 return 0; 608 } 609 610 static void snd_cs46xx_clear_serial_FIFOs(struct snd_cs46xx *chip) 611 { 612 int idx, powerdown = 0; 613 unsigned int tmp; 614 615 /* 616 * See if the devices are powered down. If so, we must power them up first 617 * or they will not respond. 618 */ 619 tmp = snd_cs46xx_peekBA0(chip, BA0_CLKCR1); 620 if (!(tmp & CLKCR1_SWCE)) { 621 snd_cs46xx_pokeBA0(chip, BA0_CLKCR1, tmp | CLKCR1_SWCE); 622 powerdown = 1; 623 } 624 625 /* 626 * We want to clear out the serial port FIFOs so we don't end up playing 627 * whatever random garbage happens to be in them. We fill the sample FIFOS 628 * with zero (silence). 629 */ 630 snd_cs46xx_pokeBA0(chip, BA0_SERBWP, 0); 631 632 /* 633 * Fill all 256 sample FIFO locations. 634 */ 635 for (idx = 0; idx < 0xFF; idx++) { 636 /* 637 * Make sure the previous FIFO write operation has completed. 638 */ 639 if (cs46xx_wait_for_fifo(chip,1)) { 640 dev_dbg(chip->card->dev, 641 "failed waiting for FIFO at addr (%02X)\n", 642 idx); 643 644 if (powerdown) 645 snd_cs46xx_pokeBA0(chip, BA0_CLKCR1, tmp); 646 647 break; 648 } 649 /* 650 * Write the serial port FIFO index. 651 */ 652 snd_cs46xx_pokeBA0(chip, BA0_SERBAD, idx); 653 /* 654 * Tell the serial port to load the new value into the FIFO location. 655 */ 656 snd_cs46xx_pokeBA0(chip, BA0_SERBCM, SERBCM_WRC); 657 } 658 /* 659 * Now, if we powered up the devices, then power them back down again. 660 * This is kinda ugly, but should never happen. 661 */ 662 if (powerdown) 663 snd_cs46xx_pokeBA0(chip, BA0_CLKCR1, tmp); 664 } 665 666 static void snd_cs46xx_proc_start(struct snd_cs46xx *chip) 667 { 668 int cnt; 669 670 /* 671 * Set the frame timer to reflect the number of cycles per frame. 672 */ 673 snd_cs46xx_poke(chip, BA1_FRMT, 0xadf); 674 /* 675 * Turn on the run, run at frame, and DMA enable bits in the local copy of 676 * the SP control register. 677 */ 678 snd_cs46xx_poke(chip, BA1_SPCR, SPCR_RUN | SPCR_RUNFR | SPCR_DRQEN); 679 /* 680 * Wait until the run at frame bit resets itself in the SP control 681 * register. 682 */ 683 for (cnt = 0; cnt < 25; cnt++) { 684 udelay(50); 685 if (!(snd_cs46xx_peek(chip, BA1_SPCR) & SPCR_RUNFR)) 686 break; 687 } 688 689 if (snd_cs46xx_peek(chip, BA1_SPCR) & SPCR_RUNFR) 690 dev_err(chip->card->dev, "SPCR_RUNFR never reset\n"); 691 } 692 693 static void snd_cs46xx_proc_stop(struct snd_cs46xx *chip) 694 { 695 /* 696 * Turn off the run, run at frame, and DMA enable bits in the local copy of 697 * the SP control register. 698 */ 699 snd_cs46xx_poke(chip, BA1_SPCR, 0); 700 } 701 702 /* 703 * Sample rate routines 704 */ 705 706 #define GOF_PER_SEC 200 707 708 static void snd_cs46xx_set_play_sample_rate(struct snd_cs46xx *chip, unsigned int rate) 709 { 710 unsigned int tmp1, tmp2; 711 unsigned int phiIncr; 712 unsigned int correctionPerGOF, correctionPerSec; 713 714 /* 715 * Compute the values used to drive the actual sample rate conversion. 716 * The following formulas are being computed, using inline assembly 717 * since we need to use 64 bit arithmetic to compute the values: 718 * 719 * phiIncr = floor((Fs,in * 2^26) / Fs,out) 720 * correctionPerGOF = floor((Fs,in * 2^26 - Fs,out * phiIncr) / 721 * GOF_PER_SEC) 722 * ulCorrectionPerSec = Fs,in * 2^26 - Fs,out * phiIncr -M 723 * GOF_PER_SEC * correctionPerGOF 724 * 725 * i.e. 726 * 727 * phiIncr:other = dividend:remainder((Fs,in * 2^26) / Fs,out) 728 * correctionPerGOF:correctionPerSec = 729 * dividend:remainder(ulOther / GOF_PER_SEC) 730 */ 731 tmp1 = rate << 16; 732 phiIncr = tmp1 / 48000; 733 tmp1 -= phiIncr * 48000; 734 tmp1 <<= 10; 735 phiIncr <<= 10; 736 tmp2 = tmp1 / 48000; 737 phiIncr += tmp2; 738 tmp1 -= tmp2 * 48000; 739 correctionPerGOF = tmp1 / GOF_PER_SEC; 740 tmp1 -= correctionPerGOF * GOF_PER_SEC; 741 correctionPerSec = tmp1; 742 743 /* 744 * Fill in the SampleRateConverter control block. 745 */ 746 guard(spinlock_irqsave)(&chip->reg_lock); 747 snd_cs46xx_poke(chip, BA1_PSRC, 748 ((correctionPerSec << 16) & 0xFFFF0000) | (correctionPerGOF & 0xFFFF)); 749 snd_cs46xx_poke(chip, BA1_PPI, phiIncr); 750 } 751 752 static void snd_cs46xx_set_capture_sample_rate(struct snd_cs46xx *chip, unsigned int rate) 753 { 754 unsigned int phiIncr, coeffIncr, tmp1, tmp2; 755 unsigned int correctionPerGOF, correctionPerSec, initialDelay; 756 unsigned int frameGroupLength, cnt; 757 758 /* 759 * We can only decimate by up to a factor of 1/9th the hardware rate. 760 * Correct the value if an attempt is made to stray outside that limit. 761 */ 762 if ((rate * 9) < 48000) 763 rate = 48000 / 9; 764 765 /* 766 * We can not capture at a rate greater than the Input Rate (48000). 767 * Return an error if an attempt is made to stray outside that limit. 768 */ 769 if (rate > 48000) 770 rate = 48000; 771 772 /* 773 * Compute the values used to drive the actual sample rate conversion. 774 * The following formulas are being computed, using inline assembly 775 * since we need to use 64 bit arithmetic to compute the values: 776 * 777 * coeffIncr = -floor((Fs,out * 2^23) / Fs,in) 778 * phiIncr = floor((Fs,in * 2^26) / Fs,out) 779 * correctionPerGOF = floor((Fs,in * 2^26 - Fs,out * phiIncr) / 780 * GOF_PER_SEC) 781 * correctionPerSec = Fs,in * 2^26 - Fs,out * phiIncr - 782 * GOF_PER_SEC * correctionPerGOF 783 * initialDelay = ceil((24 * Fs,in) / Fs,out) 784 * 785 * i.e. 786 * 787 * coeffIncr = neg(dividend((Fs,out * 2^23) / Fs,in)) 788 * phiIncr:ulOther = dividend:remainder((Fs,in * 2^26) / Fs,out) 789 * correctionPerGOF:correctionPerSec = 790 * dividend:remainder(ulOther / GOF_PER_SEC) 791 * initialDelay = dividend(((24 * Fs,in) + Fs,out - 1) / Fs,out) 792 */ 793 794 tmp1 = rate << 16; 795 coeffIncr = tmp1 / 48000; 796 tmp1 -= coeffIncr * 48000; 797 tmp1 <<= 7; 798 coeffIncr <<= 7; 799 coeffIncr += tmp1 / 48000; 800 coeffIncr ^= 0xFFFFFFFF; 801 coeffIncr++; 802 tmp1 = 48000 << 16; 803 phiIncr = tmp1 / rate; 804 tmp1 -= phiIncr * rate; 805 tmp1 <<= 10; 806 phiIncr <<= 10; 807 tmp2 = tmp1 / rate; 808 phiIncr += tmp2; 809 tmp1 -= tmp2 * rate; 810 correctionPerGOF = tmp1 / GOF_PER_SEC; 811 tmp1 -= correctionPerGOF * GOF_PER_SEC; 812 correctionPerSec = tmp1; 813 initialDelay = DIV_ROUND_UP(48000 * 24, rate); 814 815 /* 816 * Fill in the VariDecimate control block. 817 */ 818 scoped_guard(spinlock_irqsave, &chip->reg_lock) { 819 snd_cs46xx_poke(chip, BA1_CSRC, 820 ((correctionPerSec << 16) & 0xFFFF0000) | (correctionPerGOF & 0xFFFF)); 821 snd_cs46xx_poke(chip, BA1_CCI, coeffIncr); 822 snd_cs46xx_poke(chip, BA1_CD, 823 (((BA1_VARIDEC_BUF_1 + (initialDelay << 2)) << 16) & 0xFFFF0000) | 0x80); 824 snd_cs46xx_poke(chip, BA1_CPI, phiIncr); 825 } 826 827 /* 828 * Figure out the frame group length for the write back task. Basically, 829 * this is just the factors of 24000 (2^6*3*5^3) that are not present in 830 * the output sample rate. 831 */ 832 frameGroupLength = 1; 833 for (cnt = 2; cnt <= 64; cnt *= 2) { 834 if (((rate / cnt) * cnt) != rate) 835 frameGroupLength *= 2; 836 } 837 if (((rate / 3) * 3) != rate) { 838 frameGroupLength *= 3; 839 } 840 for (cnt = 5; cnt <= 125; cnt *= 5) { 841 if (((rate / cnt) * cnt) != rate) 842 frameGroupLength *= 5; 843 } 844 845 /* 846 * Fill in the WriteBack control block. 847 */ 848 guard(spinlock_irqsave)(&chip->reg_lock); 849 snd_cs46xx_poke(chip, BA1_CFG1, frameGroupLength); 850 snd_cs46xx_poke(chip, BA1_CFG2, (0x00800000 | frameGroupLength)); 851 snd_cs46xx_poke(chip, BA1_CCST, 0x0000FFFF); 852 snd_cs46xx_poke(chip, BA1_CSPB, ((65536 * rate) / 24000)); 853 snd_cs46xx_poke(chip, (BA1_CSPB + 4), 0x0000FFFF); 854 } 855 856 /* 857 * PCM part 858 */ 859 860 static void snd_cs46xx_pb_trans_copy(struct snd_pcm_substream *substream, 861 struct snd_pcm_indirect *rec, size_t bytes) 862 { 863 struct snd_pcm_runtime *runtime = substream->runtime; 864 struct snd_cs46xx_pcm * cpcm = runtime->private_data; 865 memcpy(cpcm->hw_buf.area + rec->hw_data, runtime->dma_area + rec->sw_data, bytes); 866 } 867 868 static int snd_cs46xx_playback_transfer(struct snd_pcm_substream *substream) 869 { 870 struct snd_pcm_runtime *runtime = substream->runtime; 871 struct snd_cs46xx_pcm * cpcm = runtime->private_data; 872 return snd_pcm_indirect_playback_transfer(substream, &cpcm->pcm_rec, 873 snd_cs46xx_pb_trans_copy); 874 } 875 876 static void snd_cs46xx_cp_trans_copy(struct snd_pcm_substream *substream, 877 struct snd_pcm_indirect *rec, size_t bytes) 878 { 879 struct snd_cs46xx *chip = snd_pcm_substream_chip(substream); 880 struct snd_pcm_runtime *runtime = substream->runtime; 881 memcpy(runtime->dma_area + rec->sw_data, 882 chip->capt.hw_buf.area + rec->hw_data, bytes); 883 } 884 885 static int snd_cs46xx_capture_transfer(struct snd_pcm_substream *substream) 886 { 887 struct snd_cs46xx *chip = snd_pcm_substream_chip(substream); 888 return snd_pcm_indirect_capture_transfer(substream, &chip->capt.pcm_rec, 889 snd_cs46xx_cp_trans_copy); 890 } 891 892 static snd_pcm_uframes_t snd_cs46xx_playback_direct_pointer(struct snd_pcm_substream *substream) 893 { 894 struct snd_cs46xx *chip = snd_pcm_substream_chip(substream); 895 size_t ptr; 896 struct snd_cs46xx_pcm *cpcm = substream->runtime->private_data; 897 898 if (snd_BUG_ON(!cpcm->pcm_channel)) 899 return -ENXIO; 900 901 #ifdef CONFIG_SND_CS46XX_NEW_DSP 902 ptr = snd_cs46xx_peek(chip, (cpcm->pcm_channel->pcm_reader_scb->address + 2) << 2); 903 #else 904 ptr = snd_cs46xx_peek(chip, BA1_PBA); 905 #endif 906 ptr -= cpcm->hw_buf.addr; 907 return ptr >> cpcm->shift; 908 } 909 910 static snd_pcm_uframes_t snd_cs46xx_playback_indirect_pointer(struct snd_pcm_substream *substream) 911 { 912 struct snd_cs46xx *chip = snd_pcm_substream_chip(substream); 913 size_t ptr; 914 struct snd_cs46xx_pcm *cpcm = substream->runtime->private_data; 915 916 #ifdef CONFIG_SND_CS46XX_NEW_DSP 917 if (snd_BUG_ON(!cpcm->pcm_channel)) 918 return -ENXIO; 919 ptr = snd_cs46xx_peek(chip, (cpcm->pcm_channel->pcm_reader_scb->address + 2) << 2); 920 #else 921 ptr = snd_cs46xx_peek(chip, BA1_PBA); 922 #endif 923 ptr -= cpcm->hw_buf.addr; 924 return snd_pcm_indirect_playback_pointer(substream, &cpcm->pcm_rec, ptr); 925 } 926 927 static snd_pcm_uframes_t snd_cs46xx_capture_direct_pointer(struct snd_pcm_substream *substream) 928 { 929 struct snd_cs46xx *chip = snd_pcm_substream_chip(substream); 930 size_t ptr = snd_cs46xx_peek(chip, BA1_CBA) - chip->capt.hw_buf.addr; 931 return ptr >> chip->capt.shift; 932 } 933 934 static snd_pcm_uframes_t snd_cs46xx_capture_indirect_pointer(struct snd_pcm_substream *substream) 935 { 936 struct snd_cs46xx *chip = snd_pcm_substream_chip(substream); 937 size_t ptr = snd_cs46xx_peek(chip, BA1_CBA) - chip->capt.hw_buf.addr; 938 return snd_pcm_indirect_capture_pointer(substream, &chip->capt.pcm_rec, ptr); 939 } 940 941 static int snd_cs46xx_playback_trigger(struct snd_pcm_substream *substream, 942 int cmd) 943 { 944 struct snd_cs46xx *chip = snd_pcm_substream_chip(substream); 945 /*struct snd_pcm_runtime *runtime = substream->runtime;*/ 946 int result = 0; 947 948 #ifdef CONFIG_SND_CS46XX_NEW_DSP 949 struct snd_cs46xx_pcm *cpcm = substream->runtime->private_data; 950 if (! cpcm->pcm_channel) { 951 return -ENXIO; 952 } 953 #endif 954 switch (cmd) { 955 case SNDRV_PCM_TRIGGER_START: 956 case SNDRV_PCM_TRIGGER_RESUME: 957 #ifdef CONFIG_SND_CS46XX_NEW_DSP 958 /* magic value to unmute PCM stream playback volume */ 959 snd_cs46xx_poke(chip, (cpcm->pcm_channel->pcm_reader_scb->address + 960 SCBVolumeCtrl) << 2, 0x80008000); 961 962 if (cpcm->pcm_channel->unlinked) 963 cs46xx_dsp_pcm_link(chip,cpcm->pcm_channel); 964 965 if (substream->runtime->periods != CS46XX_FRAGS) 966 snd_cs46xx_playback_transfer(substream); 967 #else 968 scoped_guard(spinlock, &chip->reg_lock) { 969 unsigned int tmp; 970 if (substream->runtime->periods != CS46XX_FRAGS) 971 snd_cs46xx_playback_transfer(substream); 972 tmp = snd_cs46xx_peek(chip, BA1_PCTL); 973 tmp &= 0x0000ffff; 974 snd_cs46xx_poke(chip, BA1_PCTL, chip->play_ctl | tmp); 975 } 976 #endif 977 break; 978 case SNDRV_PCM_TRIGGER_STOP: 979 case SNDRV_PCM_TRIGGER_SUSPEND: 980 #ifdef CONFIG_SND_CS46XX_NEW_DSP 981 /* magic mute channel */ 982 snd_cs46xx_poke(chip, (cpcm->pcm_channel->pcm_reader_scb->address + 983 SCBVolumeCtrl) << 2, 0xffffffff); 984 985 if (!cpcm->pcm_channel->unlinked) 986 cs46xx_dsp_pcm_unlink(chip,cpcm->pcm_channel); 987 #else 988 scoped_guard(spinlock, &chip->reg_lock) { 989 unsigned int tmp; 990 tmp = snd_cs46xx_peek(chip, BA1_PCTL); 991 tmp &= 0x0000ffff; 992 snd_cs46xx_poke(chip, BA1_PCTL, tmp); 993 } 994 #endif 995 break; 996 default: 997 result = -EINVAL; 998 break; 999 } 1000 1001 return result; 1002 } 1003 1004 static int snd_cs46xx_capture_trigger(struct snd_pcm_substream *substream, 1005 int cmd) 1006 { 1007 struct snd_cs46xx *chip = snd_pcm_substream_chip(substream); 1008 unsigned int tmp; 1009 1010 guard(spinlock)(&chip->reg_lock); 1011 switch (cmd) { 1012 case SNDRV_PCM_TRIGGER_START: 1013 case SNDRV_PCM_TRIGGER_RESUME: 1014 tmp = snd_cs46xx_peek(chip, BA1_CCTL); 1015 tmp &= 0xffff0000; 1016 snd_cs46xx_poke(chip, BA1_CCTL, chip->capt.ctl | tmp); 1017 break; 1018 case SNDRV_PCM_TRIGGER_STOP: 1019 case SNDRV_PCM_TRIGGER_SUSPEND: 1020 tmp = snd_cs46xx_peek(chip, BA1_CCTL); 1021 tmp &= 0xffff0000; 1022 snd_cs46xx_poke(chip, BA1_CCTL, tmp); 1023 break; 1024 default: 1025 return -EINVAL; 1026 } 1027 return 0; 1028 } 1029 1030 #ifdef CONFIG_SND_CS46XX_NEW_DSP 1031 static int _cs46xx_adjust_sample_rate (struct snd_cs46xx *chip, struct snd_cs46xx_pcm *cpcm, 1032 int sample_rate) 1033 { 1034 1035 /* If PCMReaderSCB and SrcTaskSCB not created yet ... */ 1036 if ( cpcm->pcm_channel == NULL) { 1037 cpcm->pcm_channel = cs46xx_dsp_create_pcm_channel (chip, sample_rate, 1038 cpcm, cpcm->hw_buf.addr,cpcm->pcm_channel_id); 1039 if (cpcm->pcm_channel == NULL) { 1040 dev_err(chip->card->dev, 1041 "failed to create virtual PCM channel\n"); 1042 return -ENOMEM; 1043 } 1044 cpcm->pcm_channel->sample_rate = sample_rate; 1045 } else 1046 /* if sample rate is changed */ 1047 if ((int)cpcm->pcm_channel->sample_rate != sample_rate) { 1048 int unlinked = cpcm->pcm_channel->unlinked; 1049 cs46xx_dsp_destroy_pcm_channel (chip,cpcm->pcm_channel); 1050 1051 cpcm->pcm_channel = cs46xx_dsp_create_pcm_channel(chip, sample_rate, cpcm, 1052 cpcm->hw_buf.addr, 1053 cpcm->pcm_channel_id); 1054 if (!cpcm->pcm_channel) { 1055 dev_err(chip->card->dev, 1056 "failed to re-create virtual PCM channel\n"); 1057 return -ENOMEM; 1058 } 1059 1060 if (!unlinked) cs46xx_dsp_pcm_link (chip,cpcm->pcm_channel); 1061 cpcm->pcm_channel->sample_rate = sample_rate; 1062 } 1063 1064 return 0; 1065 } 1066 #endif 1067 1068 1069 static int snd_cs46xx_playback_hw_params(struct snd_pcm_substream *substream, 1070 struct snd_pcm_hw_params *hw_params) 1071 { 1072 struct snd_pcm_runtime *runtime = substream->runtime; 1073 struct snd_cs46xx_pcm *cpcm; 1074 int err; 1075 #ifdef CONFIG_SND_CS46XX_NEW_DSP 1076 struct snd_cs46xx *chip = snd_pcm_substream_chip(substream); 1077 int sample_rate = params_rate(hw_params); 1078 int period_size = params_period_bytes(hw_params); 1079 #endif 1080 cpcm = runtime->private_data; 1081 1082 #ifdef CONFIG_SND_CS46XX_NEW_DSP 1083 if (snd_BUG_ON(!sample_rate)) 1084 return -ENXIO; 1085 1086 guard(mutex)(&chip->spos_mutex); 1087 1088 if (_cs46xx_adjust_sample_rate(chip, cpcm, sample_rate)) 1089 return -ENXIO; 1090 1091 snd_BUG_ON(!cpcm->pcm_channel); 1092 if (!cpcm->pcm_channel) 1093 return -ENXIO; 1094 1095 if (cs46xx_dsp_pcm_channel_set_period(chip, cpcm->pcm_channel, period_size)) 1096 return -EINVAL; 1097 1098 dev_dbg(chip->card->dev, 1099 "period_size (%d), periods (%d) buffer_size(%d)\n", 1100 period_size, params_periods(hw_params), 1101 params_buffer_bytes(hw_params)); 1102 #endif 1103 1104 if (params_periods(hw_params) == CS46XX_FRAGS) { 1105 if (runtime->dma_area != cpcm->hw_buf.area) 1106 snd_pcm_lib_free_pages(substream); 1107 snd_pcm_set_runtime_buffer(substream, &cpcm->hw_buf); 1108 1109 1110 #ifdef CONFIG_SND_CS46XX_NEW_DSP 1111 if (cpcm->pcm_channel_id == DSP_PCM_MAIN_CHANNEL) { 1112 substream->ops = &snd_cs46xx_playback_ops; 1113 } else if (cpcm->pcm_channel_id == DSP_PCM_REAR_CHANNEL) { 1114 substream->ops = &snd_cs46xx_playback_rear_ops; 1115 } else if (cpcm->pcm_channel_id == DSP_PCM_CENTER_LFE_CHANNEL) { 1116 substream->ops = &snd_cs46xx_playback_clfe_ops; 1117 } else if (cpcm->pcm_channel_id == DSP_IEC958_CHANNEL) { 1118 substream->ops = &snd_cs46xx_playback_iec958_ops; 1119 } else { 1120 snd_BUG(); 1121 } 1122 #else 1123 substream->ops = &snd_cs46xx_playback_ops; 1124 #endif 1125 1126 } else { 1127 if (runtime->dma_area == cpcm->hw_buf.area) 1128 snd_pcm_set_runtime_buffer(substream, NULL); 1129 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 1130 if (err < 0) 1131 return err; 1132 1133 #ifdef CONFIG_SND_CS46XX_NEW_DSP 1134 if (cpcm->pcm_channel_id == DSP_PCM_MAIN_CHANNEL) { 1135 substream->ops = &snd_cs46xx_playback_indirect_ops; 1136 } else if (cpcm->pcm_channel_id == DSP_PCM_REAR_CHANNEL) { 1137 substream->ops = &snd_cs46xx_playback_indirect_rear_ops; 1138 } else if (cpcm->pcm_channel_id == DSP_PCM_CENTER_LFE_CHANNEL) { 1139 substream->ops = &snd_cs46xx_playback_indirect_clfe_ops; 1140 } else if (cpcm->pcm_channel_id == DSP_IEC958_CHANNEL) { 1141 substream->ops = &snd_cs46xx_playback_indirect_iec958_ops; 1142 } else { 1143 snd_BUG(); 1144 } 1145 #else 1146 substream->ops = &snd_cs46xx_playback_indirect_ops; 1147 #endif 1148 1149 } 1150 1151 return 0; 1152 } 1153 1154 static int snd_cs46xx_playback_hw_free(struct snd_pcm_substream *substream) 1155 { 1156 /*struct snd_cs46xx *chip = snd_pcm_substream_chip(substream);*/ 1157 struct snd_pcm_runtime *runtime = substream->runtime; 1158 struct snd_cs46xx_pcm *cpcm; 1159 1160 cpcm = runtime->private_data; 1161 1162 /* if play_back open fails, then this function 1163 is called and cpcm can actually be NULL here */ 1164 if (!cpcm) return -ENXIO; 1165 1166 if (runtime->dma_area != cpcm->hw_buf.area) 1167 snd_pcm_lib_free_pages(substream); 1168 1169 snd_pcm_set_runtime_buffer(substream, NULL); 1170 1171 return 0; 1172 } 1173 1174 static int snd_cs46xx_playback_prepare(struct snd_pcm_substream *substream) 1175 { 1176 unsigned int tmp; 1177 unsigned int pfie; 1178 struct snd_cs46xx *chip = snd_pcm_substream_chip(substream); 1179 struct snd_pcm_runtime *runtime = substream->runtime; 1180 struct snd_cs46xx_pcm *cpcm; 1181 1182 cpcm = runtime->private_data; 1183 1184 #ifdef CONFIG_SND_CS46XX_NEW_DSP 1185 if (snd_BUG_ON(!cpcm->pcm_channel)) 1186 return -ENXIO; 1187 1188 pfie = snd_cs46xx_peek(chip, (cpcm->pcm_channel->pcm_reader_scb->address + 1) << 2 ); 1189 pfie &= ~0x0000f03f; 1190 #else 1191 /* old dsp */ 1192 pfie = snd_cs46xx_peek(chip, BA1_PFIE); 1193 pfie &= ~0x0000f03f; 1194 #endif 1195 1196 cpcm->shift = 2; 1197 /* if to convert from stereo to mono */ 1198 if (runtime->channels == 1) { 1199 cpcm->shift--; 1200 pfie |= 0x00002000; 1201 } 1202 /* if to convert from 8 bit to 16 bit */ 1203 if (snd_pcm_format_width(runtime->format) == 8) { 1204 cpcm->shift--; 1205 pfie |= 0x00001000; 1206 } 1207 /* if to convert to unsigned */ 1208 if (snd_pcm_format_unsigned(runtime->format)) 1209 pfie |= 0x00008000; 1210 1211 /* Never convert byte order when sample stream is 8 bit */ 1212 if (snd_pcm_format_width(runtime->format) != 8) { 1213 /* convert from big endian to little endian */ 1214 if (snd_pcm_format_big_endian(runtime->format)) 1215 pfie |= 0x00004000; 1216 } 1217 1218 memset(&cpcm->pcm_rec, 0, sizeof(cpcm->pcm_rec)); 1219 cpcm->pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream); 1220 cpcm->pcm_rec.hw_buffer_size = runtime->period_size * CS46XX_FRAGS << cpcm->shift; 1221 1222 #ifdef CONFIG_SND_CS46XX_NEW_DSP 1223 1224 tmp = snd_cs46xx_peek(chip, (cpcm->pcm_channel->pcm_reader_scb->address) << 2); 1225 tmp &= ~0x000003ff; 1226 tmp |= (4 << cpcm->shift) - 1; 1227 /* playback transaction count register */ 1228 snd_cs46xx_poke(chip, (cpcm->pcm_channel->pcm_reader_scb->address) << 2, tmp); 1229 1230 /* playback format && interrupt enable */ 1231 snd_cs46xx_poke(chip, (cpcm->pcm_channel->pcm_reader_scb->address + 1) << 2, pfie | cpcm->pcm_channel->pcm_slot); 1232 #else 1233 snd_cs46xx_poke(chip, BA1_PBA, cpcm->hw_buf.addr); 1234 tmp = snd_cs46xx_peek(chip, BA1_PDTC); 1235 tmp &= ~0x000003ff; 1236 tmp |= (4 << cpcm->shift) - 1; 1237 snd_cs46xx_poke(chip, BA1_PDTC, tmp); 1238 snd_cs46xx_poke(chip, BA1_PFIE, pfie); 1239 snd_cs46xx_set_play_sample_rate(chip, runtime->rate); 1240 #endif 1241 1242 return 0; 1243 } 1244 1245 static int snd_cs46xx_capture_hw_params(struct snd_pcm_substream *substream, 1246 struct snd_pcm_hw_params *hw_params) 1247 { 1248 struct snd_cs46xx *chip = snd_pcm_substream_chip(substream); 1249 struct snd_pcm_runtime *runtime = substream->runtime; 1250 int err; 1251 1252 #ifdef CONFIG_SND_CS46XX_NEW_DSP 1253 cs46xx_dsp_pcm_ostream_set_period (chip, params_period_bytes(hw_params)); 1254 #endif 1255 if (runtime->periods == CS46XX_FRAGS) { 1256 if (runtime->dma_area != chip->capt.hw_buf.area) 1257 snd_pcm_lib_free_pages(substream); 1258 snd_pcm_set_runtime_buffer(substream, &chip->capt.hw_buf); 1259 substream->ops = &snd_cs46xx_capture_ops; 1260 } else { 1261 if (runtime->dma_area == chip->capt.hw_buf.area) 1262 snd_pcm_set_runtime_buffer(substream, NULL); 1263 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 1264 if (err < 0) 1265 return err; 1266 substream->ops = &snd_cs46xx_capture_indirect_ops; 1267 } 1268 1269 return 0; 1270 } 1271 1272 static int snd_cs46xx_capture_hw_free(struct snd_pcm_substream *substream) 1273 { 1274 struct snd_cs46xx *chip = snd_pcm_substream_chip(substream); 1275 struct snd_pcm_runtime *runtime = substream->runtime; 1276 1277 if (runtime->dma_area != chip->capt.hw_buf.area) 1278 snd_pcm_lib_free_pages(substream); 1279 snd_pcm_set_runtime_buffer(substream, NULL); 1280 1281 return 0; 1282 } 1283 1284 static int snd_cs46xx_capture_prepare(struct snd_pcm_substream *substream) 1285 { 1286 struct snd_cs46xx *chip = snd_pcm_substream_chip(substream); 1287 struct snd_pcm_runtime *runtime = substream->runtime; 1288 1289 snd_cs46xx_poke(chip, BA1_CBA, chip->capt.hw_buf.addr); 1290 chip->capt.shift = 2; 1291 memset(&chip->capt.pcm_rec, 0, sizeof(chip->capt.pcm_rec)); 1292 chip->capt.pcm_rec.sw_buffer_size = snd_pcm_lib_buffer_bytes(substream); 1293 chip->capt.pcm_rec.hw_buffer_size = runtime->period_size * CS46XX_FRAGS << 2; 1294 snd_cs46xx_set_capture_sample_rate(chip, runtime->rate); 1295 1296 return 0; 1297 } 1298 1299 static irqreturn_t snd_cs46xx_interrupt(int irq, void *dev_id) 1300 { 1301 struct snd_cs46xx *chip = dev_id; 1302 u32 status1; 1303 #ifdef CONFIG_SND_CS46XX_NEW_DSP 1304 struct dsp_spos_instance * ins = chip->dsp_spos_instance; 1305 u32 status2; 1306 int i; 1307 struct snd_cs46xx_pcm *cpcm = NULL; 1308 #endif 1309 1310 /* 1311 * Read the Interrupt Status Register to clear the interrupt 1312 */ 1313 status1 = snd_cs46xx_peekBA0(chip, BA0_HISR); 1314 if ((status1 & 0x7fffffff) == 0) { 1315 snd_cs46xx_pokeBA0(chip, BA0_HICR, HICR_CHGM | HICR_IEV); 1316 return IRQ_NONE; 1317 } 1318 1319 #ifdef CONFIG_SND_CS46XX_NEW_DSP 1320 status2 = snd_cs46xx_peekBA0(chip, BA0_HSR0); 1321 1322 for (i = 0; i < DSP_MAX_PCM_CHANNELS; ++i) { 1323 if (i <= 15) { 1324 if ( status1 & (1 << i) ) { 1325 if (i == CS46XX_DSP_CAPTURE_CHANNEL) { 1326 if (chip->capt.substream) 1327 snd_pcm_period_elapsed(chip->capt.substream); 1328 } else { 1329 if (ins->pcm_channels[i].active && 1330 ins->pcm_channels[i].private_data && 1331 !ins->pcm_channels[i].unlinked) { 1332 cpcm = ins->pcm_channels[i].private_data; 1333 snd_pcm_period_elapsed(cpcm->substream); 1334 } 1335 } 1336 } 1337 } else { 1338 if ( status2 & (1 << (i - 16))) { 1339 if (ins->pcm_channels[i].active && 1340 ins->pcm_channels[i].private_data && 1341 !ins->pcm_channels[i].unlinked) { 1342 cpcm = ins->pcm_channels[i].private_data; 1343 snd_pcm_period_elapsed(cpcm->substream); 1344 } 1345 } 1346 } 1347 } 1348 1349 #else 1350 /* old dsp */ 1351 if ((status1 & HISR_VC0) && chip->playback_pcm) { 1352 if (chip->playback_pcm->substream) 1353 snd_pcm_period_elapsed(chip->playback_pcm->substream); 1354 } 1355 if ((status1 & HISR_VC1) && chip->pcm) { 1356 if (chip->capt.substream) 1357 snd_pcm_period_elapsed(chip->capt.substream); 1358 } 1359 #endif 1360 1361 if ((status1 & HISR_MIDI) && chip->rmidi) { 1362 unsigned char c; 1363 1364 guard(spinlock)(&chip->reg_lock); 1365 while ((snd_cs46xx_peekBA0(chip, BA0_MIDSR) & MIDSR_RBE) == 0) { 1366 c = snd_cs46xx_peekBA0(chip, BA0_MIDRP); 1367 if ((chip->midcr & MIDCR_RIE) == 0) 1368 continue; 1369 snd_rawmidi_receive(chip->midi_input, &c, 1); 1370 } 1371 while ((snd_cs46xx_peekBA0(chip, BA0_MIDSR) & MIDSR_TBF) == 0) { 1372 if ((chip->midcr & MIDCR_TIE) == 0) 1373 break; 1374 if (snd_rawmidi_transmit(chip->midi_output, &c, 1) != 1) { 1375 chip->midcr &= ~MIDCR_TIE; 1376 snd_cs46xx_pokeBA0(chip, BA0_MIDCR, chip->midcr); 1377 break; 1378 } 1379 snd_cs46xx_pokeBA0(chip, BA0_MIDWP, c); 1380 } 1381 } 1382 /* 1383 * EOI to the PCI part....reenables interrupts 1384 */ 1385 snd_cs46xx_pokeBA0(chip, BA0_HICR, HICR_CHGM | HICR_IEV); 1386 1387 return IRQ_HANDLED; 1388 } 1389 1390 static const struct snd_pcm_hardware snd_cs46xx_playback = 1391 { 1392 .info = (SNDRV_PCM_INFO_MMAP | 1393 SNDRV_PCM_INFO_INTERLEAVED | 1394 SNDRV_PCM_INFO_BLOCK_TRANSFER /*|*/ 1395 /*SNDRV_PCM_INFO_RESUME*/ | 1396 SNDRV_PCM_INFO_SYNC_APPLPTR), 1397 .formats = (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 | 1398 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE | 1399 SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE), 1400 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 1401 .rate_min = 5500, 1402 .rate_max = 48000, 1403 .channels_min = 1, 1404 .channels_max = 2, 1405 .buffer_bytes_max = (256 * 1024), 1406 .period_bytes_min = CS46XX_MIN_PERIOD_SIZE, 1407 .period_bytes_max = CS46XX_MAX_PERIOD_SIZE, 1408 .periods_min = CS46XX_FRAGS, 1409 .periods_max = 1024, 1410 .fifo_size = 0, 1411 }; 1412 1413 static const struct snd_pcm_hardware snd_cs46xx_capture = 1414 { 1415 .info = (SNDRV_PCM_INFO_MMAP | 1416 SNDRV_PCM_INFO_INTERLEAVED | 1417 SNDRV_PCM_INFO_BLOCK_TRANSFER /*|*/ 1418 /*SNDRV_PCM_INFO_RESUME*/ | 1419 SNDRV_PCM_INFO_SYNC_APPLPTR), 1420 .formats = SNDRV_PCM_FMTBIT_S16_LE, 1421 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 1422 .rate_min = 5500, 1423 .rate_max = 48000, 1424 .channels_min = 2, 1425 .channels_max = 2, 1426 .buffer_bytes_max = (256 * 1024), 1427 .period_bytes_min = CS46XX_MIN_PERIOD_SIZE, 1428 .period_bytes_max = CS46XX_MAX_PERIOD_SIZE, 1429 .periods_min = CS46XX_FRAGS, 1430 .periods_max = 1024, 1431 .fifo_size = 0, 1432 }; 1433 1434 #ifdef CONFIG_SND_CS46XX_NEW_DSP 1435 1436 static const unsigned int period_sizes[] = { 32, 64, 128, 256, 512, 1024, 2048 }; 1437 1438 static const struct snd_pcm_hw_constraint_list hw_constraints_period_sizes = { 1439 .count = ARRAY_SIZE(period_sizes), 1440 .list = period_sizes, 1441 .mask = 0 1442 }; 1443 1444 #endif 1445 1446 static void snd_cs46xx_pcm_free_substream(struct snd_pcm_runtime *runtime) 1447 { 1448 kfree(runtime->private_data); 1449 } 1450 1451 static int _cs46xx_playback_open_channel (struct snd_pcm_substream *substream,int pcm_channel_id) 1452 { 1453 struct snd_cs46xx *chip = snd_pcm_substream_chip(substream); 1454 struct snd_cs46xx_pcm * cpcm; 1455 struct snd_pcm_runtime *runtime = substream->runtime; 1456 1457 cpcm = kzalloc(sizeof(*cpcm), GFP_KERNEL); 1458 if (cpcm == NULL) 1459 return -ENOMEM; 1460 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &chip->pci->dev, 1461 PAGE_SIZE, &cpcm->hw_buf) < 0) { 1462 kfree(cpcm); 1463 return -ENOMEM; 1464 } 1465 1466 runtime->hw = snd_cs46xx_playback; 1467 runtime->private_data = cpcm; 1468 runtime->private_free = snd_cs46xx_pcm_free_substream; 1469 1470 cpcm->substream = substream; 1471 #ifdef CONFIG_SND_CS46XX_NEW_DSP 1472 scoped_guard(mutex, &chip->spos_mutex) { 1473 cpcm->pcm_channel = NULL; 1474 cpcm->pcm_channel_id = pcm_channel_id; 1475 } 1476 1477 snd_pcm_hw_constraint_list(runtime, 0, 1478 SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 1479 &hw_constraints_period_sizes); 1480 #else 1481 chip->playback_pcm = cpcm; /* HACK */ 1482 #endif 1483 1484 if (chip->accept_valid) 1485 substream->runtime->hw.info |= SNDRV_PCM_INFO_MMAP_VALID; 1486 chip->active_ctrl(chip, 1); 1487 1488 return 0; 1489 } 1490 1491 static int snd_cs46xx_playback_open(struct snd_pcm_substream *substream) 1492 { 1493 dev_dbg(substream->pcm->card->dev, "open front channel\n"); 1494 return _cs46xx_playback_open_channel(substream,DSP_PCM_MAIN_CHANNEL); 1495 } 1496 1497 #ifdef CONFIG_SND_CS46XX_NEW_DSP 1498 static int snd_cs46xx_playback_open_rear(struct snd_pcm_substream *substream) 1499 { 1500 dev_dbg(substream->pcm->card->dev, "open rear channel\n"); 1501 return _cs46xx_playback_open_channel(substream,DSP_PCM_REAR_CHANNEL); 1502 } 1503 1504 static int snd_cs46xx_playback_open_clfe(struct snd_pcm_substream *substream) 1505 { 1506 dev_dbg(substream->pcm->card->dev, "open center - LFE channel\n"); 1507 return _cs46xx_playback_open_channel(substream,DSP_PCM_CENTER_LFE_CHANNEL); 1508 } 1509 1510 static int snd_cs46xx_playback_open_iec958(struct snd_pcm_substream *substream) 1511 { 1512 struct snd_cs46xx *chip = snd_pcm_substream_chip(substream); 1513 1514 dev_dbg(chip->card->dev, "open raw iec958 channel\n"); 1515 1516 scoped_guard(mutex, &chip->spos_mutex) { 1517 cs46xx_iec958_pre_open(chip); 1518 } 1519 1520 return _cs46xx_playback_open_channel(substream,DSP_IEC958_CHANNEL); 1521 } 1522 1523 static int snd_cs46xx_playback_close(struct snd_pcm_substream *substream); 1524 1525 static int snd_cs46xx_playback_close_iec958(struct snd_pcm_substream *substream) 1526 { 1527 int err; 1528 struct snd_cs46xx *chip = snd_pcm_substream_chip(substream); 1529 1530 dev_dbg(chip->card->dev, "close raw iec958 channel\n"); 1531 1532 err = snd_cs46xx_playback_close(substream); 1533 1534 scoped_guard(mutex, &chip->spos_mutex) { 1535 cs46xx_iec958_post_close(chip); 1536 } 1537 1538 return err; 1539 } 1540 #endif 1541 1542 static int snd_cs46xx_capture_open(struct snd_pcm_substream *substream) 1543 { 1544 struct snd_cs46xx *chip = snd_pcm_substream_chip(substream); 1545 1546 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &chip->pci->dev, 1547 PAGE_SIZE, &chip->capt.hw_buf) < 0) 1548 return -ENOMEM; 1549 chip->capt.substream = substream; 1550 substream->runtime->hw = snd_cs46xx_capture; 1551 1552 if (chip->accept_valid) 1553 substream->runtime->hw.info |= SNDRV_PCM_INFO_MMAP_VALID; 1554 1555 chip->active_ctrl(chip, 1); 1556 1557 #ifdef CONFIG_SND_CS46XX_NEW_DSP 1558 snd_pcm_hw_constraint_list(substream->runtime, 0, 1559 SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 1560 &hw_constraints_period_sizes); 1561 #endif 1562 return 0; 1563 } 1564 1565 static int snd_cs46xx_playback_close(struct snd_pcm_substream *substream) 1566 { 1567 struct snd_cs46xx *chip = snd_pcm_substream_chip(substream); 1568 struct snd_pcm_runtime *runtime = substream->runtime; 1569 struct snd_cs46xx_pcm * cpcm; 1570 1571 cpcm = runtime->private_data; 1572 1573 /* when playback_open fails, then cpcm can be NULL */ 1574 if (!cpcm) return -ENXIO; 1575 1576 #ifdef CONFIG_SND_CS46XX_NEW_DSP 1577 scoped_guard(mutex, &chip->spos_mutex) { 1578 if (cpcm->pcm_channel) { 1579 cs46xx_dsp_destroy_pcm_channel(chip, cpcm->pcm_channel); 1580 cpcm->pcm_channel = NULL; 1581 } 1582 } 1583 #else 1584 chip->playback_pcm = NULL; 1585 #endif 1586 1587 cpcm->substream = NULL; 1588 snd_dma_free_pages(&cpcm->hw_buf); 1589 chip->active_ctrl(chip, -1); 1590 1591 return 0; 1592 } 1593 1594 static int snd_cs46xx_capture_close(struct snd_pcm_substream *substream) 1595 { 1596 struct snd_cs46xx *chip = snd_pcm_substream_chip(substream); 1597 1598 chip->capt.substream = NULL; 1599 snd_dma_free_pages(&chip->capt.hw_buf); 1600 chip->active_ctrl(chip, -1); 1601 1602 return 0; 1603 } 1604 1605 #ifdef CONFIG_SND_CS46XX_NEW_DSP 1606 static const struct snd_pcm_ops snd_cs46xx_playback_rear_ops = { 1607 .open = snd_cs46xx_playback_open_rear, 1608 .close = snd_cs46xx_playback_close, 1609 .hw_params = snd_cs46xx_playback_hw_params, 1610 .hw_free = snd_cs46xx_playback_hw_free, 1611 .prepare = snd_cs46xx_playback_prepare, 1612 .trigger = snd_cs46xx_playback_trigger, 1613 .pointer = snd_cs46xx_playback_direct_pointer, 1614 }; 1615 1616 static const struct snd_pcm_ops snd_cs46xx_playback_indirect_rear_ops = { 1617 .open = snd_cs46xx_playback_open_rear, 1618 .close = snd_cs46xx_playback_close, 1619 .hw_params = snd_cs46xx_playback_hw_params, 1620 .hw_free = snd_cs46xx_playback_hw_free, 1621 .prepare = snd_cs46xx_playback_prepare, 1622 .trigger = snd_cs46xx_playback_trigger, 1623 .pointer = snd_cs46xx_playback_indirect_pointer, 1624 .ack = snd_cs46xx_playback_transfer, 1625 }; 1626 1627 static const struct snd_pcm_ops snd_cs46xx_playback_clfe_ops = { 1628 .open = snd_cs46xx_playback_open_clfe, 1629 .close = snd_cs46xx_playback_close, 1630 .hw_params = snd_cs46xx_playback_hw_params, 1631 .hw_free = snd_cs46xx_playback_hw_free, 1632 .prepare = snd_cs46xx_playback_prepare, 1633 .trigger = snd_cs46xx_playback_trigger, 1634 .pointer = snd_cs46xx_playback_direct_pointer, 1635 }; 1636 1637 static const struct snd_pcm_ops snd_cs46xx_playback_indirect_clfe_ops = { 1638 .open = snd_cs46xx_playback_open_clfe, 1639 .close = snd_cs46xx_playback_close, 1640 .hw_params = snd_cs46xx_playback_hw_params, 1641 .hw_free = snd_cs46xx_playback_hw_free, 1642 .prepare = snd_cs46xx_playback_prepare, 1643 .trigger = snd_cs46xx_playback_trigger, 1644 .pointer = snd_cs46xx_playback_indirect_pointer, 1645 .ack = snd_cs46xx_playback_transfer, 1646 }; 1647 1648 static const struct snd_pcm_ops snd_cs46xx_playback_iec958_ops = { 1649 .open = snd_cs46xx_playback_open_iec958, 1650 .close = snd_cs46xx_playback_close_iec958, 1651 .hw_params = snd_cs46xx_playback_hw_params, 1652 .hw_free = snd_cs46xx_playback_hw_free, 1653 .prepare = snd_cs46xx_playback_prepare, 1654 .trigger = snd_cs46xx_playback_trigger, 1655 .pointer = snd_cs46xx_playback_direct_pointer, 1656 }; 1657 1658 static const struct snd_pcm_ops snd_cs46xx_playback_indirect_iec958_ops = { 1659 .open = snd_cs46xx_playback_open_iec958, 1660 .close = snd_cs46xx_playback_close_iec958, 1661 .hw_params = snd_cs46xx_playback_hw_params, 1662 .hw_free = snd_cs46xx_playback_hw_free, 1663 .prepare = snd_cs46xx_playback_prepare, 1664 .trigger = snd_cs46xx_playback_trigger, 1665 .pointer = snd_cs46xx_playback_indirect_pointer, 1666 .ack = snd_cs46xx_playback_transfer, 1667 }; 1668 1669 #endif 1670 1671 static const struct snd_pcm_ops snd_cs46xx_playback_ops = { 1672 .open = snd_cs46xx_playback_open, 1673 .close = snd_cs46xx_playback_close, 1674 .hw_params = snd_cs46xx_playback_hw_params, 1675 .hw_free = snd_cs46xx_playback_hw_free, 1676 .prepare = snd_cs46xx_playback_prepare, 1677 .trigger = snd_cs46xx_playback_trigger, 1678 .pointer = snd_cs46xx_playback_direct_pointer, 1679 }; 1680 1681 static const struct snd_pcm_ops snd_cs46xx_playback_indirect_ops = { 1682 .open = snd_cs46xx_playback_open, 1683 .close = snd_cs46xx_playback_close, 1684 .hw_params = snd_cs46xx_playback_hw_params, 1685 .hw_free = snd_cs46xx_playback_hw_free, 1686 .prepare = snd_cs46xx_playback_prepare, 1687 .trigger = snd_cs46xx_playback_trigger, 1688 .pointer = snd_cs46xx_playback_indirect_pointer, 1689 .ack = snd_cs46xx_playback_transfer, 1690 }; 1691 1692 static const struct snd_pcm_ops snd_cs46xx_capture_ops = { 1693 .open = snd_cs46xx_capture_open, 1694 .close = snd_cs46xx_capture_close, 1695 .hw_params = snd_cs46xx_capture_hw_params, 1696 .hw_free = snd_cs46xx_capture_hw_free, 1697 .prepare = snd_cs46xx_capture_prepare, 1698 .trigger = snd_cs46xx_capture_trigger, 1699 .pointer = snd_cs46xx_capture_direct_pointer, 1700 }; 1701 1702 static const struct snd_pcm_ops snd_cs46xx_capture_indirect_ops = { 1703 .open = snd_cs46xx_capture_open, 1704 .close = snd_cs46xx_capture_close, 1705 .hw_params = snd_cs46xx_capture_hw_params, 1706 .hw_free = snd_cs46xx_capture_hw_free, 1707 .prepare = snd_cs46xx_capture_prepare, 1708 .trigger = snd_cs46xx_capture_trigger, 1709 .pointer = snd_cs46xx_capture_indirect_pointer, 1710 .ack = snd_cs46xx_capture_transfer, 1711 }; 1712 1713 #ifdef CONFIG_SND_CS46XX_NEW_DSP 1714 #define MAX_PLAYBACK_CHANNELS (DSP_MAX_PCM_CHANNELS - 1) 1715 #else 1716 #define MAX_PLAYBACK_CHANNELS 1 1717 #endif 1718 1719 int snd_cs46xx_pcm(struct snd_cs46xx *chip, int device) 1720 { 1721 struct snd_pcm *pcm; 1722 int err; 1723 1724 err = snd_pcm_new(chip->card, "CS46xx", device, MAX_PLAYBACK_CHANNELS, 1, &pcm); 1725 if (err < 0) 1726 return err; 1727 1728 pcm->private_data = chip; 1729 1730 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_cs46xx_playback_ops); 1731 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_cs46xx_capture_ops); 1732 1733 /* global setup */ 1734 pcm->info_flags = 0; 1735 strscpy(pcm->name, "CS46xx"); 1736 chip->pcm = pcm; 1737 1738 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 1739 &chip->pci->dev, 1740 64*1024, 256*1024); 1741 1742 return 0; 1743 } 1744 1745 1746 #ifdef CONFIG_SND_CS46XX_NEW_DSP 1747 int snd_cs46xx_pcm_rear(struct snd_cs46xx *chip, int device) 1748 { 1749 struct snd_pcm *pcm; 1750 int err; 1751 1752 err = snd_pcm_new(chip->card, "CS46xx - Rear", device, MAX_PLAYBACK_CHANNELS, 0, &pcm); 1753 if (err < 0) 1754 return err; 1755 1756 pcm->private_data = chip; 1757 1758 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_cs46xx_playback_rear_ops); 1759 1760 /* global setup */ 1761 pcm->info_flags = 0; 1762 strscpy(pcm->name, "CS46xx - Rear"); 1763 chip->pcm_rear = pcm; 1764 1765 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 1766 &chip->pci->dev, 1767 64*1024, 256*1024); 1768 1769 return 0; 1770 } 1771 1772 int snd_cs46xx_pcm_center_lfe(struct snd_cs46xx *chip, int device) 1773 { 1774 struct snd_pcm *pcm; 1775 int err; 1776 1777 err = snd_pcm_new(chip->card, "CS46xx - Center LFE", device, MAX_PLAYBACK_CHANNELS, 0, &pcm); 1778 if (err < 0) 1779 return err; 1780 1781 pcm->private_data = chip; 1782 1783 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_cs46xx_playback_clfe_ops); 1784 1785 /* global setup */ 1786 pcm->info_flags = 0; 1787 strscpy(pcm->name, "CS46xx - Center LFE"); 1788 chip->pcm_center_lfe = pcm; 1789 1790 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 1791 &chip->pci->dev, 1792 64*1024, 256*1024); 1793 1794 return 0; 1795 } 1796 1797 int snd_cs46xx_pcm_iec958(struct snd_cs46xx *chip, int device) 1798 { 1799 struct snd_pcm *pcm; 1800 int err; 1801 1802 err = snd_pcm_new(chip->card, "CS46xx - IEC958", device, 1, 0, &pcm); 1803 if (err < 0) 1804 return err; 1805 1806 pcm->private_data = chip; 1807 1808 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_cs46xx_playback_iec958_ops); 1809 1810 /* global setup */ 1811 pcm->info_flags = 0; 1812 strscpy(pcm->name, "CS46xx - IEC958"); 1813 chip->pcm_iec958 = pcm; 1814 1815 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 1816 &chip->pci->dev, 1817 64*1024, 256*1024); 1818 1819 return 0; 1820 } 1821 #endif 1822 1823 /* 1824 * Mixer routines 1825 */ 1826 static void snd_cs46xx_mixer_free_ac97(struct snd_ac97 *ac97) 1827 { 1828 struct snd_cs46xx *chip = ac97->private_data; 1829 1830 if (snd_BUG_ON(ac97 != chip->ac97[CS46XX_PRIMARY_CODEC_INDEX] && 1831 ac97 != chip->ac97[CS46XX_SECONDARY_CODEC_INDEX])) 1832 return; 1833 1834 if (ac97 == chip->ac97[CS46XX_PRIMARY_CODEC_INDEX]) { 1835 chip->ac97[CS46XX_PRIMARY_CODEC_INDEX] = NULL; 1836 chip->eapd_switch = NULL; 1837 } 1838 else 1839 chip->ac97[CS46XX_SECONDARY_CODEC_INDEX] = NULL; 1840 } 1841 1842 static int snd_cs46xx_vol_info(struct snd_kcontrol *kcontrol, 1843 struct snd_ctl_elem_info *uinfo) 1844 { 1845 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1846 uinfo->count = 2; 1847 uinfo->value.integer.min = 0; 1848 uinfo->value.integer.max = 0x7fff; 1849 return 0; 1850 } 1851 1852 static int snd_cs46xx_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1853 { 1854 struct snd_cs46xx *chip = snd_kcontrol_chip(kcontrol); 1855 int reg = kcontrol->private_value; 1856 unsigned int val = snd_cs46xx_peek(chip, reg); 1857 ucontrol->value.integer.value[0] = 0xffff - (val >> 16); 1858 ucontrol->value.integer.value[1] = 0xffff - (val & 0xffff); 1859 return 0; 1860 } 1861 1862 static int snd_cs46xx_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1863 { 1864 struct snd_cs46xx *chip = snd_kcontrol_chip(kcontrol); 1865 int reg = kcontrol->private_value; 1866 unsigned int val = ((0xffff - ucontrol->value.integer.value[0]) << 16 | 1867 (0xffff - ucontrol->value.integer.value[1])); 1868 unsigned int old = snd_cs46xx_peek(chip, reg); 1869 int change = (old != val); 1870 1871 if (change) { 1872 snd_cs46xx_poke(chip, reg, val); 1873 } 1874 1875 return change; 1876 } 1877 1878 #ifdef CONFIG_SND_CS46XX_NEW_DSP 1879 1880 static int snd_cs46xx_vol_dac_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1881 { 1882 struct snd_cs46xx *chip = snd_kcontrol_chip(kcontrol); 1883 1884 ucontrol->value.integer.value[0] = chip->dsp_spos_instance->dac_volume_left; 1885 ucontrol->value.integer.value[1] = chip->dsp_spos_instance->dac_volume_right; 1886 1887 return 0; 1888 } 1889 1890 static int snd_cs46xx_vol_dac_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1891 { 1892 struct snd_cs46xx *chip = snd_kcontrol_chip(kcontrol); 1893 int change = 0; 1894 1895 if (chip->dsp_spos_instance->dac_volume_right != ucontrol->value.integer.value[0] || 1896 chip->dsp_spos_instance->dac_volume_left != ucontrol->value.integer.value[1]) { 1897 cs46xx_dsp_set_dac_volume(chip, 1898 ucontrol->value.integer.value[0], 1899 ucontrol->value.integer.value[1]); 1900 change = 1; 1901 } 1902 1903 return change; 1904 } 1905 1906 #if 0 1907 static int snd_cs46xx_vol_iec958_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1908 { 1909 struct snd_cs46xx *chip = snd_kcontrol_chip(kcontrol); 1910 1911 ucontrol->value.integer.value[0] = chip->dsp_spos_instance->spdif_input_volume_left; 1912 ucontrol->value.integer.value[1] = chip->dsp_spos_instance->spdif_input_volume_right; 1913 return 0; 1914 } 1915 1916 static int snd_cs46xx_vol_iec958_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 1917 { 1918 struct snd_cs46xx *chip = snd_kcontrol_chip(kcontrol); 1919 int change = 0; 1920 1921 if (chip->dsp_spos_instance->spdif_input_volume_left != ucontrol->value.integer.value[0] || 1922 chip->dsp_spos_instance->spdif_input_volume_right!= ucontrol->value.integer.value[1]) { 1923 cs46xx_dsp_set_iec958_volume (chip, 1924 ucontrol->value.integer.value[0], 1925 ucontrol->value.integer.value[1]); 1926 change = 1; 1927 } 1928 1929 return change; 1930 } 1931 #endif 1932 1933 #define snd_mixer_boolean_info snd_ctl_boolean_mono_info 1934 1935 static int snd_cs46xx_iec958_get(struct snd_kcontrol *kcontrol, 1936 struct snd_ctl_elem_value *ucontrol) 1937 { 1938 struct snd_cs46xx *chip = snd_kcontrol_chip(kcontrol); 1939 int reg = kcontrol->private_value; 1940 1941 if (reg == CS46XX_MIXER_SPDIF_OUTPUT_ELEMENT) 1942 ucontrol->value.integer.value[0] = (chip->dsp_spos_instance->spdif_status_out & DSP_SPDIF_STATUS_OUTPUT_ENABLED); 1943 else 1944 ucontrol->value.integer.value[0] = chip->dsp_spos_instance->spdif_status_in; 1945 1946 return 0; 1947 } 1948 1949 static int snd_cs46xx_iec958_put(struct snd_kcontrol *kcontrol, 1950 struct snd_ctl_elem_value *ucontrol) 1951 { 1952 struct snd_cs46xx *chip = snd_kcontrol_chip(kcontrol); 1953 int change, res; 1954 1955 switch (kcontrol->private_value) { 1956 case CS46XX_MIXER_SPDIF_OUTPUT_ELEMENT: 1957 scoped_guard(mutex, &chip->spos_mutex) { 1958 change = (chip->dsp_spos_instance->spdif_status_out & DSP_SPDIF_STATUS_OUTPUT_ENABLED); 1959 if (ucontrol->value.integer.value[0] && !change) 1960 cs46xx_dsp_enable_spdif_out(chip); 1961 else if (change && !ucontrol->value.integer.value[0]) 1962 cs46xx_dsp_disable_spdif_out(chip); 1963 1964 res = (change != (chip->dsp_spos_instance->spdif_status_out & DSP_SPDIF_STATUS_OUTPUT_ENABLED)); 1965 } 1966 break; 1967 case CS46XX_MIXER_SPDIF_INPUT_ELEMENT: 1968 change = chip->dsp_spos_instance->spdif_status_in; 1969 if (ucontrol->value.integer.value[0] && !change) { 1970 cs46xx_dsp_enable_spdif_in(chip); 1971 /* restore volume */ 1972 } 1973 else if (change && !ucontrol->value.integer.value[0]) 1974 cs46xx_dsp_disable_spdif_in(chip); 1975 1976 res = (change != chip->dsp_spos_instance->spdif_status_in); 1977 break; 1978 default: 1979 res = -EINVAL; 1980 snd_BUG(); /* should never happen ... */ 1981 } 1982 1983 return res; 1984 } 1985 1986 static int snd_cs46xx_adc_capture_get(struct snd_kcontrol *kcontrol, 1987 struct snd_ctl_elem_value *ucontrol) 1988 { 1989 struct snd_cs46xx *chip = snd_kcontrol_chip(kcontrol); 1990 struct dsp_spos_instance * ins = chip->dsp_spos_instance; 1991 1992 if (ins->adc_input != NULL) 1993 ucontrol->value.integer.value[0] = 1; 1994 else 1995 ucontrol->value.integer.value[0] = 0; 1996 1997 return 0; 1998 } 1999 2000 static int snd_cs46xx_adc_capture_put(struct snd_kcontrol *kcontrol, 2001 struct snd_ctl_elem_value *ucontrol) 2002 { 2003 struct snd_cs46xx *chip = snd_kcontrol_chip(kcontrol); 2004 struct dsp_spos_instance * ins = chip->dsp_spos_instance; 2005 int change = 0; 2006 2007 if (ucontrol->value.integer.value[0] && !ins->adc_input) { 2008 cs46xx_dsp_enable_adc_capture(chip); 2009 change = 1; 2010 } else if (!ucontrol->value.integer.value[0] && ins->adc_input) { 2011 cs46xx_dsp_disable_adc_capture(chip); 2012 change = 1; 2013 } 2014 return change; 2015 } 2016 2017 static int snd_cs46xx_pcm_capture_get(struct snd_kcontrol *kcontrol, 2018 struct snd_ctl_elem_value *ucontrol) 2019 { 2020 struct snd_cs46xx *chip = snd_kcontrol_chip(kcontrol); 2021 struct dsp_spos_instance * ins = chip->dsp_spos_instance; 2022 2023 if (ins->pcm_input != NULL) 2024 ucontrol->value.integer.value[0] = 1; 2025 else 2026 ucontrol->value.integer.value[0] = 0; 2027 2028 return 0; 2029 } 2030 2031 2032 static int snd_cs46xx_pcm_capture_put(struct snd_kcontrol *kcontrol, 2033 struct snd_ctl_elem_value *ucontrol) 2034 { 2035 struct snd_cs46xx *chip = snd_kcontrol_chip(kcontrol); 2036 struct dsp_spos_instance * ins = chip->dsp_spos_instance; 2037 int change = 0; 2038 2039 if (ucontrol->value.integer.value[0] && !ins->pcm_input) { 2040 cs46xx_dsp_enable_pcm_capture(chip); 2041 change = 1; 2042 } else if (!ucontrol->value.integer.value[0] && ins->pcm_input) { 2043 cs46xx_dsp_disable_pcm_capture(chip); 2044 change = 1; 2045 } 2046 2047 return change; 2048 } 2049 2050 static int snd_herc_spdif_select_get(struct snd_kcontrol *kcontrol, 2051 struct snd_ctl_elem_value *ucontrol) 2052 { 2053 struct snd_cs46xx *chip = snd_kcontrol_chip(kcontrol); 2054 2055 int val1 = snd_cs46xx_peekBA0(chip, BA0_EGPIODR); 2056 2057 if (val1 & EGPIODR_GPOE0) 2058 ucontrol->value.integer.value[0] = 1; 2059 else 2060 ucontrol->value.integer.value[0] = 0; 2061 2062 return 0; 2063 } 2064 2065 /* 2066 * Game Theatre XP card - EGPIO[0] is used to select SPDIF input optical or coaxial. 2067 */ 2068 static int snd_herc_spdif_select_put(struct snd_kcontrol *kcontrol, 2069 struct snd_ctl_elem_value *ucontrol) 2070 { 2071 struct snd_cs46xx *chip = snd_kcontrol_chip(kcontrol); 2072 int val1 = snd_cs46xx_peekBA0(chip, BA0_EGPIODR); 2073 int val2 = snd_cs46xx_peekBA0(chip, BA0_EGPIOPTR); 2074 2075 if (ucontrol->value.integer.value[0]) { 2076 /* optical is default */ 2077 snd_cs46xx_pokeBA0(chip, BA0_EGPIODR, 2078 EGPIODR_GPOE0 | val1); /* enable EGPIO0 output */ 2079 snd_cs46xx_pokeBA0(chip, BA0_EGPIOPTR, 2080 EGPIOPTR_GPPT0 | val2); /* open-drain on output */ 2081 } else { 2082 /* coaxial */ 2083 snd_cs46xx_pokeBA0(chip, BA0_EGPIODR, val1 & ~EGPIODR_GPOE0); /* disable */ 2084 snd_cs46xx_pokeBA0(chip, BA0_EGPIOPTR, val2 & ~EGPIOPTR_GPPT0); /* disable */ 2085 } 2086 2087 /* checking diff from the EGPIO direction register 2088 should be enough */ 2089 return (val1 != (int)snd_cs46xx_peekBA0(chip, BA0_EGPIODR)); 2090 } 2091 2092 2093 static int snd_cs46xx_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 2094 { 2095 uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; 2096 uinfo->count = 1; 2097 return 0; 2098 } 2099 2100 static int snd_cs46xx_spdif_default_get(struct snd_kcontrol *kcontrol, 2101 struct snd_ctl_elem_value *ucontrol) 2102 { 2103 struct snd_cs46xx *chip = snd_kcontrol_chip(kcontrol); 2104 struct dsp_spos_instance * ins = chip->dsp_spos_instance; 2105 2106 guard(mutex)(&chip->spos_mutex); 2107 ucontrol->value.iec958.status[0] = _wrap_all_bits((ins->spdif_csuv_default >> 24) & 0xff); 2108 ucontrol->value.iec958.status[1] = _wrap_all_bits((ins->spdif_csuv_default >> 16) & 0xff); 2109 ucontrol->value.iec958.status[2] = 0; 2110 ucontrol->value.iec958.status[3] = _wrap_all_bits((ins->spdif_csuv_default) & 0xff); 2111 2112 return 0; 2113 } 2114 2115 static int snd_cs46xx_spdif_default_put(struct snd_kcontrol *kcontrol, 2116 struct snd_ctl_elem_value *ucontrol) 2117 { 2118 struct snd_cs46xx * chip = snd_kcontrol_chip(kcontrol); 2119 struct dsp_spos_instance * ins = chip->dsp_spos_instance; 2120 unsigned int val; 2121 int change; 2122 2123 guard(mutex)(&chip->spos_mutex); 2124 val = ((unsigned int)_wrap_all_bits(ucontrol->value.iec958.status[0]) << 24) | 2125 ((unsigned int)_wrap_all_bits(ucontrol->value.iec958.status[2]) << 16) | 2126 ((unsigned int)_wrap_all_bits(ucontrol->value.iec958.status[3])) | 2127 /* left and right validity bit */ 2128 (1 << 13) | (1 << 12); 2129 2130 2131 change = (unsigned int)ins->spdif_csuv_default != val; 2132 ins->spdif_csuv_default = val; 2133 2134 if ( !(ins->spdif_status_out & DSP_SPDIF_STATUS_PLAYBACK_OPEN) ) 2135 cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV,val); 2136 2137 return change; 2138 } 2139 2140 static int snd_cs46xx_spdif_mask_get(struct snd_kcontrol *kcontrol, 2141 struct snd_ctl_elem_value *ucontrol) 2142 { 2143 ucontrol->value.iec958.status[0] = 0xff; 2144 ucontrol->value.iec958.status[1] = 0xff; 2145 ucontrol->value.iec958.status[2] = 0x00; 2146 ucontrol->value.iec958.status[3] = 0xff; 2147 return 0; 2148 } 2149 2150 static int snd_cs46xx_spdif_stream_get(struct snd_kcontrol *kcontrol, 2151 struct snd_ctl_elem_value *ucontrol) 2152 { 2153 struct snd_cs46xx *chip = snd_kcontrol_chip(kcontrol); 2154 struct dsp_spos_instance * ins = chip->dsp_spos_instance; 2155 2156 guard(mutex)(&chip->spos_mutex); 2157 ucontrol->value.iec958.status[0] = _wrap_all_bits((ins->spdif_csuv_stream >> 24) & 0xff); 2158 ucontrol->value.iec958.status[1] = _wrap_all_bits((ins->spdif_csuv_stream >> 16) & 0xff); 2159 ucontrol->value.iec958.status[2] = 0; 2160 ucontrol->value.iec958.status[3] = _wrap_all_bits((ins->spdif_csuv_stream) & 0xff); 2161 2162 return 0; 2163 } 2164 2165 static int snd_cs46xx_spdif_stream_put(struct snd_kcontrol *kcontrol, 2166 struct snd_ctl_elem_value *ucontrol) 2167 { 2168 struct snd_cs46xx * chip = snd_kcontrol_chip(kcontrol); 2169 struct dsp_spos_instance * ins = chip->dsp_spos_instance; 2170 unsigned int val; 2171 int change; 2172 2173 guard(mutex)(&chip->spos_mutex); 2174 val = ((unsigned int)_wrap_all_bits(ucontrol->value.iec958.status[0]) << 24) | 2175 ((unsigned int)_wrap_all_bits(ucontrol->value.iec958.status[1]) << 16) | 2176 ((unsigned int)_wrap_all_bits(ucontrol->value.iec958.status[3])) | 2177 /* left and right validity bit */ 2178 (1 << 13) | (1 << 12); 2179 2180 2181 change = ins->spdif_csuv_stream != val; 2182 ins->spdif_csuv_stream = val; 2183 2184 if ( ins->spdif_status_out & DSP_SPDIF_STATUS_PLAYBACK_OPEN ) 2185 cs46xx_poke_via_dsp (chip,SP_SPDOUT_CSUV,val); 2186 2187 return change; 2188 } 2189 2190 #endif /* CONFIG_SND_CS46XX_NEW_DSP */ 2191 2192 2193 static const struct snd_kcontrol_new snd_cs46xx_controls[] = { 2194 { 2195 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2196 .name = "DAC Volume", 2197 .info = snd_cs46xx_vol_info, 2198 #ifndef CONFIG_SND_CS46XX_NEW_DSP 2199 .get = snd_cs46xx_vol_get, 2200 .put = snd_cs46xx_vol_put, 2201 .private_value = BA1_PVOL, 2202 #else 2203 .get = snd_cs46xx_vol_dac_get, 2204 .put = snd_cs46xx_vol_dac_put, 2205 #endif 2206 }, 2207 2208 { 2209 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2210 .name = "ADC Volume", 2211 .info = snd_cs46xx_vol_info, 2212 .get = snd_cs46xx_vol_get, 2213 .put = snd_cs46xx_vol_put, 2214 #ifndef CONFIG_SND_CS46XX_NEW_DSP 2215 .private_value = BA1_CVOL, 2216 #else 2217 .private_value = (VARIDECIMATE_SCB_ADDR + 0xE) << 2, 2218 #endif 2219 }, 2220 #ifdef CONFIG_SND_CS46XX_NEW_DSP 2221 { 2222 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2223 .name = "ADC Capture Switch", 2224 .info = snd_mixer_boolean_info, 2225 .get = snd_cs46xx_adc_capture_get, 2226 .put = snd_cs46xx_adc_capture_put 2227 }, 2228 { 2229 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2230 .name = "DAC Capture Switch", 2231 .info = snd_mixer_boolean_info, 2232 .get = snd_cs46xx_pcm_capture_get, 2233 .put = snd_cs46xx_pcm_capture_put 2234 }, 2235 { 2236 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2237 .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 2238 .info = snd_mixer_boolean_info, 2239 .get = snd_cs46xx_iec958_get, 2240 .put = snd_cs46xx_iec958_put, 2241 .private_value = CS46XX_MIXER_SPDIF_OUTPUT_ELEMENT, 2242 }, 2243 { 2244 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2245 .name = SNDRV_CTL_NAME_IEC958("Input ",NONE,SWITCH), 2246 .info = snd_mixer_boolean_info, 2247 .get = snd_cs46xx_iec958_get, 2248 .put = snd_cs46xx_iec958_put, 2249 .private_value = CS46XX_MIXER_SPDIF_INPUT_ELEMENT, 2250 }, 2251 #if 0 2252 /* Input IEC958 volume does not work for the moment. (Benny) */ 2253 { 2254 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2255 .name = SNDRV_CTL_NAME_IEC958("Input ",NONE,VOLUME), 2256 .info = snd_cs46xx_vol_info, 2257 .get = snd_cs46xx_vol_iec958_get, 2258 .put = snd_cs46xx_vol_iec958_put, 2259 .private_value = (ASYNCRX_SCB_ADDR + 0xE) << 2, 2260 }, 2261 #endif 2262 { 2263 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 2264 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), 2265 .info = snd_cs46xx_spdif_info, 2266 .get = snd_cs46xx_spdif_default_get, 2267 .put = snd_cs46xx_spdif_default_put, 2268 }, 2269 { 2270 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 2271 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK), 2272 .info = snd_cs46xx_spdif_info, 2273 .get = snd_cs46xx_spdif_mask_get, 2274 .access = SNDRV_CTL_ELEM_ACCESS_READ 2275 }, 2276 { 2277 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 2278 .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM), 2279 .info = snd_cs46xx_spdif_info, 2280 .get = snd_cs46xx_spdif_stream_get, 2281 .put = snd_cs46xx_spdif_stream_put 2282 }, 2283 2284 #endif 2285 }; 2286 2287 #ifdef CONFIG_SND_CS46XX_NEW_DSP 2288 /* set primary cs4294 codec into Extended Audio Mode */ 2289 static int snd_cs46xx_front_dup_get(struct snd_kcontrol *kcontrol, 2290 struct snd_ctl_elem_value *ucontrol) 2291 { 2292 struct snd_cs46xx *chip = snd_kcontrol_chip(kcontrol); 2293 unsigned short val; 2294 val = snd_ac97_read(chip->ac97[CS46XX_PRIMARY_CODEC_INDEX], AC97_CSR_ACMODE); 2295 ucontrol->value.integer.value[0] = (val & 0x200) ? 0 : 1; 2296 return 0; 2297 } 2298 2299 static int snd_cs46xx_front_dup_put(struct snd_kcontrol *kcontrol, 2300 struct snd_ctl_elem_value *ucontrol) 2301 { 2302 struct snd_cs46xx *chip = snd_kcontrol_chip(kcontrol); 2303 return snd_ac97_update_bits(chip->ac97[CS46XX_PRIMARY_CODEC_INDEX], 2304 AC97_CSR_ACMODE, 0x200, 2305 ucontrol->value.integer.value[0] ? 0 : 0x200); 2306 } 2307 2308 static const struct snd_kcontrol_new snd_cs46xx_front_dup_ctl = { 2309 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2310 .name = "Duplicate Front", 2311 .info = snd_mixer_boolean_info, 2312 .get = snd_cs46xx_front_dup_get, 2313 .put = snd_cs46xx_front_dup_put, 2314 }; 2315 #endif 2316 2317 #ifdef CONFIG_SND_CS46XX_NEW_DSP 2318 /* Only available on the Hercules Game Theater XP soundcard */ 2319 static const struct snd_kcontrol_new snd_hercules_controls[] = { 2320 { 2321 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2322 .name = "Optical/Coaxial SPDIF Input Switch", 2323 .info = snd_mixer_boolean_info, 2324 .get = snd_herc_spdif_select_get, 2325 .put = snd_herc_spdif_select_put, 2326 }, 2327 }; 2328 2329 2330 static void snd_cs46xx_codec_reset (struct snd_ac97 * ac97) 2331 { 2332 unsigned long end_time; 2333 int err; 2334 2335 /* reset to defaults */ 2336 snd_ac97_write(ac97, AC97_RESET, 0); 2337 2338 /* set the desired CODEC mode */ 2339 if (ac97->num == CS46XX_PRIMARY_CODEC_INDEX) { 2340 dev_dbg(ac97->bus->card->dev, "CODEC1 mode %04x\n", 0x0); 2341 snd_cs46xx_ac97_write(ac97, AC97_CSR_ACMODE, 0x0); 2342 } else if (ac97->num == CS46XX_SECONDARY_CODEC_INDEX) { 2343 dev_dbg(ac97->bus->card->dev, "CODEC2 mode %04x\n", 0x3); 2344 snd_cs46xx_ac97_write(ac97, AC97_CSR_ACMODE, 0x3); 2345 } else { 2346 snd_BUG(); /* should never happen ... */ 2347 } 2348 2349 udelay(50); 2350 2351 /* it's necessary to wait awhile until registers are accessible after RESET */ 2352 /* because the PCM or MASTER volume registers can be modified, */ 2353 /* the REC_GAIN register is used for tests */ 2354 end_time = jiffies + HZ; 2355 do { 2356 unsigned short ext_mid; 2357 2358 /* use preliminary reads to settle the communication */ 2359 snd_ac97_read(ac97, AC97_RESET); 2360 snd_ac97_read(ac97, AC97_VENDOR_ID1); 2361 snd_ac97_read(ac97, AC97_VENDOR_ID2); 2362 /* modem? */ 2363 ext_mid = snd_ac97_read(ac97, AC97_EXTENDED_MID); 2364 if (ext_mid != 0xffff && (ext_mid & 1) != 0) 2365 return; 2366 2367 /* test if we can write to the record gain volume register */ 2368 snd_ac97_write(ac97, AC97_REC_GAIN, 0x8a05); 2369 err = snd_ac97_read(ac97, AC97_REC_GAIN); 2370 if (err == 0x8a05) 2371 return; 2372 2373 msleep(10); 2374 } while (time_after_eq(end_time, jiffies)); 2375 2376 dev_err(ac97->bus->card->dev, 2377 "CS46xx secondary codec doesn't respond!\n"); 2378 } 2379 #endif 2380 2381 static int cs46xx_detect_codec(struct snd_cs46xx *chip, int codec) 2382 { 2383 int idx, err; 2384 struct snd_ac97_template ac97; 2385 2386 memset(&ac97, 0, sizeof(ac97)); 2387 ac97.private_data = chip; 2388 ac97.private_free = snd_cs46xx_mixer_free_ac97; 2389 ac97.num = codec; 2390 if (chip->amplifier_ctrl == amp_voyetra) 2391 ac97.scaps = AC97_SCAP_INV_EAPD; 2392 2393 if (codec == CS46XX_SECONDARY_CODEC_INDEX) { 2394 snd_cs46xx_codec_write(chip, AC97_RESET, 0, codec); 2395 udelay(10); 2396 if (snd_cs46xx_codec_read(chip, AC97_RESET, codec) & 0x8000) { 2397 dev_dbg(chip->card->dev, 2398 "secondary codec not present\n"); 2399 return -ENXIO; 2400 } 2401 } 2402 2403 snd_cs46xx_codec_write(chip, AC97_MASTER, 0x8000, codec); 2404 for (idx = 0; idx < 100; ++idx) { 2405 if (snd_cs46xx_codec_read(chip, AC97_MASTER, codec) == 0x8000) { 2406 err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97[codec]); 2407 return err; 2408 } 2409 msleep(10); 2410 } 2411 dev_dbg(chip->card->dev, "codec %d detection timeout\n", codec); 2412 return -ENXIO; 2413 } 2414 2415 int snd_cs46xx_mixer(struct snd_cs46xx *chip, int spdif_device) 2416 { 2417 struct snd_card *card = chip->card; 2418 int err; 2419 unsigned int idx; 2420 static const struct snd_ac97_bus_ops ops = { 2421 #ifdef CONFIG_SND_CS46XX_NEW_DSP 2422 .reset = snd_cs46xx_codec_reset, 2423 #endif 2424 .write = snd_cs46xx_ac97_write, 2425 .read = snd_cs46xx_ac97_read, 2426 }; 2427 2428 /* detect primary codec */ 2429 chip->nr_ac97_codecs = 0; 2430 dev_dbg(chip->card->dev, "detecting primary codec\n"); 2431 err = snd_ac97_bus(card, 0, &ops, chip, &chip->ac97_bus); 2432 if (err < 0) 2433 return err; 2434 2435 if (cs46xx_detect_codec(chip, CS46XX_PRIMARY_CODEC_INDEX) < 0) 2436 return -ENXIO; 2437 chip->nr_ac97_codecs = 1; 2438 2439 #ifdef CONFIG_SND_CS46XX_NEW_DSP 2440 dev_dbg(chip->card->dev, "detecting secondary codec\n"); 2441 /* try detect a secondary codec */ 2442 if (! cs46xx_detect_codec(chip, CS46XX_SECONDARY_CODEC_INDEX)) 2443 chip->nr_ac97_codecs = 2; 2444 #endif /* CONFIG_SND_CS46XX_NEW_DSP */ 2445 2446 /* add cs4630 mixer controls */ 2447 for (idx = 0; idx < ARRAY_SIZE(snd_cs46xx_controls); idx++) { 2448 struct snd_kcontrol *kctl; 2449 kctl = snd_ctl_new1(&snd_cs46xx_controls[idx], chip); 2450 if (kctl && kctl->id.iface == SNDRV_CTL_ELEM_IFACE_PCM) 2451 kctl->id.device = spdif_device; 2452 err = snd_ctl_add(card, kctl); 2453 if (err < 0) 2454 return err; 2455 } 2456 2457 /* get EAPD mixer switch (for voyetra hack) */ 2458 chip->eapd_switch = snd_ctl_find_id_mixer(chip->card, 2459 "External Amplifier"); 2460 2461 #ifdef CONFIG_SND_CS46XX_NEW_DSP 2462 if (chip->nr_ac97_codecs == 1) { 2463 unsigned int id2 = chip->ac97[CS46XX_PRIMARY_CODEC_INDEX]->id & 0xffff; 2464 if ((id2 & 0xfff0) == 0x5920) { /* CS4294 and CS4298 */ 2465 err = snd_ctl_add(card, snd_ctl_new1(&snd_cs46xx_front_dup_ctl, chip)); 2466 if (err < 0) 2467 return err; 2468 snd_ac97_write_cache(chip->ac97[CS46XX_PRIMARY_CODEC_INDEX], 2469 AC97_CSR_ACMODE, 0x200); 2470 } 2471 } 2472 /* do soundcard specific mixer setup */ 2473 if (chip->mixer_init) { 2474 dev_dbg(chip->card->dev, "calling chip->mixer_init(chip);\n"); 2475 chip->mixer_init(chip); 2476 } 2477 #endif 2478 2479 /* turn on amplifier */ 2480 chip->amplifier_ctrl(chip, 1); 2481 2482 return 0; 2483 } 2484 2485 /* 2486 * RawMIDI interface 2487 */ 2488 2489 static void snd_cs46xx_midi_reset(struct snd_cs46xx *chip) 2490 { 2491 snd_cs46xx_pokeBA0(chip, BA0_MIDCR, MIDCR_MRST); 2492 udelay(100); 2493 snd_cs46xx_pokeBA0(chip, BA0_MIDCR, chip->midcr); 2494 } 2495 2496 static int snd_cs46xx_midi_input_open(struct snd_rawmidi_substream *substream) 2497 { 2498 struct snd_cs46xx *chip = substream->rmidi->private_data; 2499 2500 chip->active_ctrl(chip, 1); 2501 guard(spinlock_irq)(&chip->reg_lock); 2502 chip->uartm |= CS46XX_MODE_INPUT; 2503 chip->midcr |= MIDCR_RXE; 2504 chip->midi_input = substream; 2505 if (!(chip->uartm & CS46XX_MODE_OUTPUT)) { 2506 snd_cs46xx_midi_reset(chip); 2507 } else { 2508 snd_cs46xx_pokeBA0(chip, BA0_MIDCR, chip->midcr); 2509 } 2510 return 0; 2511 } 2512 2513 static int snd_cs46xx_midi_input_close(struct snd_rawmidi_substream *substream) 2514 { 2515 struct snd_cs46xx *chip = substream->rmidi->private_data; 2516 2517 scoped_guard(spinlock_irq, &chip->reg_lock) { 2518 chip->midcr &= ~(MIDCR_RXE | MIDCR_RIE); 2519 chip->midi_input = NULL; 2520 if (!(chip->uartm & CS46XX_MODE_OUTPUT)) { 2521 snd_cs46xx_midi_reset(chip); 2522 } else { 2523 snd_cs46xx_pokeBA0(chip, BA0_MIDCR, chip->midcr); 2524 } 2525 chip->uartm &= ~CS46XX_MODE_INPUT; 2526 } 2527 chip->active_ctrl(chip, -1); 2528 return 0; 2529 } 2530 2531 static int snd_cs46xx_midi_output_open(struct snd_rawmidi_substream *substream) 2532 { 2533 struct snd_cs46xx *chip = substream->rmidi->private_data; 2534 2535 chip->active_ctrl(chip, 1); 2536 2537 guard(spinlock_irq)(&chip->reg_lock); 2538 chip->uartm |= CS46XX_MODE_OUTPUT; 2539 chip->midcr |= MIDCR_TXE; 2540 chip->midi_output = substream; 2541 if (!(chip->uartm & CS46XX_MODE_INPUT)) { 2542 snd_cs46xx_midi_reset(chip); 2543 } else { 2544 snd_cs46xx_pokeBA0(chip, BA0_MIDCR, chip->midcr); 2545 } 2546 return 0; 2547 } 2548 2549 static int snd_cs46xx_midi_output_close(struct snd_rawmidi_substream *substream) 2550 { 2551 struct snd_cs46xx *chip = substream->rmidi->private_data; 2552 2553 scoped_guard(spinlock_irq, &chip->reg_lock) { 2554 chip->midcr &= ~(MIDCR_TXE | MIDCR_TIE); 2555 chip->midi_output = NULL; 2556 if (!(chip->uartm & CS46XX_MODE_INPUT)) { 2557 snd_cs46xx_midi_reset(chip); 2558 } else { 2559 snd_cs46xx_pokeBA0(chip, BA0_MIDCR, chip->midcr); 2560 } 2561 chip->uartm &= ~CS46XX_MODE_OUTPUT; 2562 } 2563 chip->active_ctrl(chip, -1); 2564 return 0; 2565 } 2566 2567 static void snd_cs46xx_midi_input_trigger(struct snd_rawmidi_substream *substream, int up) 2568 { 2569 struct snd_cs46xx *chip = substream->rmidi->private_data; 2570 2571 guard(spinlock_irqsave)(&chip->reg_lock); 2572 if (up) { 2573 if ((chip->midcr & MIDCR_RIE) == 0) { 2574 chip->midcr |= MIDCR_RIE; 2575 snd_cs46xx_pokeBA0(chip, BA0_MIDCR, chip->midcr); 2576 } 2577 } else { 2578 if (chip->midcr & MIDCR_RIE) { 2579 chip->midcr &= ~MIDCR_RIE; 2580 snd_cs46xx_pokeBA0(chip, BA0_MIDCR, chip->midcr); 2581 } 2582 } 2583 } 2584 2585 static void snd_cs46xx_midi_output_trigger(struct snd_rawmidi_substream *substream, int up) 2586 { 2587 struct snd_cs46xx *chip = substream->rmidi->private_data; 2588 unsigned char byte; 2589 2590 guard(spinlock_irqsave)(&chip->reg_lock); 2591 if (up) { 2592 if ((chip->midcr & MIDCR_TIE) == 0) { 2593 chip->midcr |= MIDCR_TIE; 2594 /* fill UART FIFO buffer at first, and turn Tx interrupts only if necessary */ 2595 while ((chip->midcr & MIDCR_TIE) && 2596 (snd_cs46xx_peekBA0(chip, BA0_MIDSR) & MIDSR_TBF) == 0) { 2597 if (snd_rawmidi_transmit(substream, &byte, 1) != 1) { 2598 chip->midcr &= ~MIDCR_TIE; 2599 } else { 2600 snd_cs46xx_pokeBA0(chip, BA0_MIDWP, byte); 2601 } 2602 } 2603 snd_cs46xx_pokeBA0(chip, BA0_MIDCR, chip->midcr); 2604 } 2605 } else { 2606 if (chip->midcr & MIDCR_TIE) { 2607 chip->midcr &= ~MIDCR_TIE; 2608 snd_cs46xx_pokeBA0(chip, BA0_MIDCR, chip->midcr); 2609 } 2610 } 2611 } 2612 2613 static const struct snd_rawmidi_ops snd_cs46xx_midi_output = 2614 { 2615 .open = snd_cs46xx_midi_output_open, 2616 .close = snd_cs46xx_midi_output_close, 2617 .trigger = snd_cs46xx_midi_output_trigger, 2618 }; 2619 2620 static const struct snd_rawmidi_ops snd_cs46xx_midi_input = 2621 { 2622 .open = snd_cs46xx_midi_input_open, 2623 .close = snd_cs46xx_midi_input_close, 2624 .trigger = snd_cs46xx_midi_input_trigger, 2625 }; 2626 2627 int snd_cs46xx_midi(struct snd_cs46xx *chip, int device) 2628 { 2629 struct snd_rawmidi *rmidi; 2630 int err; 2631 2632 err = snd_rawmidi_new(chip->card, "CS46XX", device, 1, 1, &rmidi); 2633 if (err < 0) 2634 return err; 2635 strscpy(rmidi->name, "CS46XX"); 2636 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_cs46xx_midi_output); 2637 snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_cs46xx_midi_input); 2638 rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT | SNDRV_RAWMIDI_INFO_INPUT | SNDRV_RAWMIDI_INFO_DUPLEX; 2639 rmidi->private_data = chip; 2640 chip->rmidi = rmidi; 2641 return 0; 2642 } 2643 2644 2645 /* 2646 * gameport interface 2647 */ 2648 2649 #if IS_REACHABLE(CONFIG_GAMEPORT) 2650 2651 static void snd_cs46xx_gameport_trigger(struct gameport *gameport) 2652 { 2653 struct snd_cs46xx *chip = gameport_get_port_data(gameport); 2654 2655 if (snd_BUG_ON(!chip)) 2656 return; 2657 snd_cs46xx_pokeBA0(chip, BA0_JSPT, 0xFF); //outb(gameport->io, 0xFF); 2658 } 2659 2660 static unsigned char snd_cs46xx_gameport_read(struct gameport *gameport) 2661 { 2662 struct snd_cs46xx *chip = gameport_get_port_data(gameport); 2663 2664 if (snd_BUG_ON(!chip)) 2665 return 0; 2666 return snd_cs46xx_peekBA0(chip, BA0_JSPT); //inb(gameport->io); 2667 } 2668 2669 static int snd_cs46xx_gameport_cooked_read(struct gameport *gameport, int *axes, int *buttons) 2670 { 2671 struct snd_cs46xx *chip = gameport_get_port_data(gameport); 2672 unsigned js1, js2, jst; 2673 2674 if (snd_BUG_ON(!chip)) 2675 return 0; 2676 2677 js1 = snd_cs46xx_peekBA0(chip, BA0_JSC1); 2678 js2 = snd_cs46xx_peekBA0(chip, BA0_JSC2); 2679 jst = snd_cs46xx_peekBA0(chip, BA0_JSPT); 2680 2681 *buttons = (~jst >> 4) & 0x0F; 2682 2683 axes[0] = ((js1 & JSC1_Y1V_MASK) >> JSC1_Y1V_SHIFT) & 0xFFFF; 2684 axes[1] = ((js1 & JSC1_X1V_MASK) >> JSC1_X1V_SHIFT) & 0xFFFF; 2685 axes[2] = ((js2 & JSC2_Y2V_MASK) >> JSC2_Y2V_SHIFT) & 0xFFFF; 2686 axes[3] = ((js2 & JSC2_X2V_MASK) >> JSC2_X2V_SHIFT) & 0xFFFF; 2687 2688 for(jst=0;jst<4;++jst) 2689 if(axes[jst]==0xFFFF) axes[jst] = -1; 2690 return 0; 2691 } 2692 2693 static int snd_cs46xx_gameport_open(struct gameport *gameport, int mode) 2694 { 2695 switch (mode) { 2696 case GAMEPORT_MODE_COOKED: 2697 return 0; 2698 case GAMEPORT_MODE_RAW: 2699 return 0; 2700 default: 2701 return -1; 2702 } 2703 return 0; 2704 } 2705 2706 int snd_cs46xx_gameport(struct snd_cs46xx *chip) 2707 { 2708 struct gameport *gp; 2709 2710 chip->gameport = gp = gameport_allocate_port(); 2711 if (!gp) { 2712 dev_err(chip->card->dev, 2713 "cannot allocate memory for gameport\n"); 2714 return -ENOMEM; 2715 } 2716 2717 gameport_set_name(gp, "CS46xx Gameport"); 2718 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 2719 gameport_set_dev_parent(gp, &chip->pci->dev); 2720 gameport_set_port_data(gp, chip); 2721 2722 gp->open = snd_cs46xx_gameport_open; 2723 gp->read = snd_cs46xx_gameport_read; 2724 gp->trigger = snd_cs46xx_gameport_trigger; 2725 gp->cooked_read = snd_cs46xx_gameport_cooked_read; 2726 2727 snd_cs46xx_pokeBA0(chip, BA0_JSIO, 0xFF); // ? 2728 snd_cs46xx_pokeBA0(chip, BA0_JSCTL, JSCTL_SP_MEDIUM_SLOW); 2729 2730 gameport_register_port(gp); 2731 2732 return 0; 2733 } 2734 2735 static inline void snd_cs46xx_remove_gameport(struct snd_cs46xx *chip) 2736 { 2737 if (chip->gameport) { 2738 gameport_unregister_port(chip->gameport); 2739 chip->gameport = NULL; 2740 } 2741 } 2742 #else 2743 int snd_cs46xx_gameport(struct snd_cs46xx *chip) { return -ENOSYS; } 2744 static inline void snd_cs46xx_remove_gameport(struct snd_cs46xx *chip) { } 2745 #endif /* CONFIG_GAMEPORT */ 2746 2747 #ifdef CONFIG_SND_PROC_FS 2748 /* 2749 * proc interface 2750 */ 2751 2752 static ssize_t snd_cs46xx_io_read(struct snd_info_entry *entry, 2753 void *file_private_data, 2754 struct file *file, char __user *buf, 2755 size_t count, loff_t pos) 2756 { 2757 struct snd_cs46xx_region *region = entry->private_data; 2758 2759 if (copy_to_user_fromio(buf, region->remap_addr + pos, count)) 2760 return -EFAULT; 2761 return count; 2762 } 2763 2764 static const struct snd_info_entry_ops snd_cs46xx_proc_io_ops = { 2765 .read = snd_cs46xx_io_read, 2766 }; 2767 2768 static int snd_cs46xx_proc_init(struct snd_card *card, struct snd_cs46xx *chip) 2769 { 2770 struct snd_info_entry *entry; 2771 int idx; 2772 2773 for (idx = 0; idx < 5; idx++) { 2774 struct snd_cs46xx_region *region = &chip->region.idx[idx]; 2775 if (! snd_card_proc_new(card, region->name, &entry)) { 2776 entry->content = SNDRV_INFO_CONTENT_DATA; 2777 entry->private_data = chip; 2778 entry->c.ops = &snd_cs46xx_proc_io_ops; 2779 entry->size = region->size; 2780 entry->mode = S_IFREG | 0400; 2781 } 2782 } 2783 #ifdef CONFIG_SND_CS46XX_NEW_DSP 2784 cs46xx_dsp_proc_init(card, chip); 2785 #endif 2786 return 0; 2787 } 2788 2789 static int snd_cs46xx_proc_done(struct snd_cs46xx *chip) 2790 { 2791 #ifdef CONFIG_SND_CS46XX_NEW_DSP 2792 cs46xx_dsp_proc_done(chip); 2793 #endif 2794 return 0; 2795 } 2796 #else /* !CONFIG_SND_PROC_FS */ 2797 #define snd_cs46xx_proc_init(card, chip) 2798 #define snd_cs46xx_proc_done(chip) 2799 #endif 2800 2801 /* 2802 * stop the h/w 2803 */ 2804 static void snd_cs46xx_hw_stop(struct snd_cs46xx *chip) 2805 { 2806 unsigned int tmp; 2807 2808 tmp = snd_cs46xx_peek(chip, BA1_PFIE); 2809 tmp &= ~0x0000f03f; 2810 tmp |= 0x00000010; 2811 snd_cs46xx_poke(chip, BA1_PFIE, tmp); /* playback interrupt disable */ 2812 2813 tmp = snd_cs46xx_peek(chip, BA1_CIE); 2814 tmp &= ~0x0000003f; 2815 tmp |= 0x00000011; 2816 snd_cs46xx_poke(chip, BA1_CIE, tmp); /* capture interrupt disable */ 2817 2818 /* 2819 * Stop playback DMA. 2820 */ 2821 tmp = snd_cs46xx_peek(chip, BA1_PCTL); 2822 snd_cs46xx_poke(chip, BA1_PCTL, tmp & 0x0000ffff); 2823 2824 /* 2825 * Stop capture DMA. 2826 */ 2827 tmp = snd_cs46xx_peek(chip, BA1_CCTL); 2828 snd_cs46xx_poke(chip, BA1_CCTL, tmp & 0xffff0000); 2829 2830 /* 2831 * Reset the processor. 2832 */ 2833 snd_cs46xx_reset(chip); 2834 2835 snd_cs46xx_proc_stop(chip); 2836 2837 /* 2838 * Power down the PLL. 2839 */ 2840 snd_cs46xx_pokeBA0(chip, BA0_CLKCR1, 0); 2841 2842 /* 2843 * Turn off the Processor by turning off the software clock enable flag in 2844 * the clock control register. 2845 */ 2846 tmp = snd_cs46xx_peekBA0(chip, BA0_CLKCR1) & ~CLKCR1_SWCE; 2847 snd_cs46xx_pokeBA0(chip, BA0_CLKCR1, tmp); 2848 } 2849 2850 2851 static void snd_cs46xx_free(struct snd_card *card) 2852 { 2853 struct snd_cs46xx *chip = card->private_data; 2854 #ifdef CONFIG_SND_CS46XX_NEW_DSP 2855 int idx; 2856 #endif 2857 2858 if (chip->active_ctrl) 2859 chip->active_ctrl(chip, 1); 2860 2861 snd_cs46xx_remove_gameport(chip); 2862 2863 if (chip->amplifier_ctrl) 2864 chip->amplifier_ctrl(chip, -chip->amplifier); /* force to off */ 2865 2866 snd_cs46xx_proc_done(chip); 2867 2868 snd_cs46xx_hw_stop(chip); 2869 2870 if (chip->active_ctrl) 2871 chip->active_ctrl(chip, -chip->amplifier); 2872 2873 #ifdef CONFIG_SND_CS46XX_NEW_DSP 2874 if (chip->dsp_spos_instance) { 2875 cs46xx_dsp_spos_destroy(chip); 2876 chip->dsp_spos_instance = NULL; 2877 } 2878 for (idx = 0; idx < CS46XX_DSP_MODULES; idx++) 2879 free_module_desc(chip->modules[idx]); 2880 #else 2881 vfree(chip->ba1); 2882 #endif 2883 } 2884 2885 /* 2886 * initialize chip 2887 */ 2888 static int snd_cs46xx_chip_init(struct snd_cs46xx *chip) 2889 { 2890 int timeout; 2891 2892 /* 2893 * First, blast the clock control register to zero so that the PLL starts 2894 * out in a known state, and blast the master serial port control register 2895 * to zero so that the serial ports also start out in a known state. 2896 */ 2897 snd_cs46xx_pokeBA0(chip, BA0_CLKCR1, 0); 2898 snd_cs46xx_pokeBA0(chip, BA0_SERMC1, 0); 2899 2900 /* 2901 * If we are in AC97 mode, then we must set the part to a host controlled 2902 * AC-link. Otherwise, we won't be able to bring up the link. 2903 */ 2904 #ifdef CONFIG_SND_CS46XX_NEW_DSP 2905 snd_cs46xx_pokeBA0(chip, BA0_SERACC, SERACC_HSP | SERACC_CHIP_TYPE_2_0 | 2906 SERACC_TWO_CODECS); /* 2.00 dual codecs */ 2907 /* snd_cs46xx_pokeBA0(chip, BA0_SERACC, SERACC_HSP | SERACC_CHIP_TYPE_2_0); */ /* 2.00 codec */ 2908 #else 2909 snd_cs46xx_pokeBA0(chip, BA0_SERACC, SERACC_HSP | SERACC_CHIP_TYPE_1_03); /* 1.03 codec */ 2910 #endif 2911 2912 /* 2913 * Drive the ARST# pin low for a minimum of 1uS (as defined in the AC97 2914 * spec) and then drive it high. This is done for non AC97 modes since 2915 * there might be logic external to the CS461x that uses the ARST# line 2916 * for a reset. 2917 */ 2918 snd_cs46xx_pokeBA0(chip, BA0_ACCTL, 0); 2919 #ifdef CONFIG_SND_CS46XX_NEW_DSP 2920 snd_cs46xx_pokeBA0(chip, BA0_ACCTL2, 0); 2921 #endif 2922 udelay(50); 2923 snd_cs46xx_pokeBA0(chip, BA0_ACCTL, ACCTL_RSTN); 2924 #ifdef CONFIG_SND_CS46XX_NEW_DSP 2925 snd_cs46xx_pokeBA0(chip, BA0_ACCTL2, ACCTL_RSTN); 2926 #endif 2927 2928 /* 2929 * The first thing we do here is to enable sync generation. As soon 2930 * as we start receiving bit clock, we'll start producing the SYNC 2931 * signal. 2932 */ 2933 snd_cs46xx_pokeBA0(chip, BA0_ACCTL, ACCTL_ESYN | ACCTL_RSTN); 2934 #ifdef CONFIG_SND_CS46XX_NEW_DSP 2935 snd_cs46xx_pokeBA0(chip, BA0_ACCTL2, ACCTL_ESYN | ACCTL_RSTN); 2936 #endif 2937 2938 /* 2939 * Now wait for a short while to allow the AC97 part to start 2940 * generating bit clock (so we don't try to start the PLL without an 2941 * input clock). 2942 */ 2943 mdelay(10); 2944 2945 /* 2946 * Set the serial port timing configuration, so that 2947 * the clock control circuit gets its clock from the correct place. 2948 */ 2949 snd_cs46xx_pokeBA0(chip, BA0_SERMC1, SERMC1_PTC_AC97); 2950 2951 /* 2952 * Write the selected clock control setup to the hardware. Do not turn on 2953 * SWCE yet (if requested), so that the devices clocked by the output of 2954 * PLL are not clocked until the PLL is stable. 2955 */ 2956 snd_cs46xx_pokeBA0(chip, BA0_PLLCC, PLLCC_LPF_1050_2780_KHZ | PLLCC_CDR_73_104_MHZ); 2957 snd_cs46xx_pokeBA0(chip, BA0_PLLM, 0x3a); 2958 snd_cs46xx_pokeBA0(chip, BA0_CLKCR2, CLKCR2_PDIVS_8); 2959 2960 /* 2961 * Power up the PLL. 2962 */ 2963 snd_cs46xx_pokeBA0(chip, BA0_CLKCR1, CLKCR1_PLLP); 2964 2965 /* 2966 * Wait until the PLL has stabilized. 2967 */ 2968 msleep(100); 2969 2970 /* 2971 * Turn on clocking of the core so that we can setup the serial ports. 2972 */ 2973 snd_cs46xx_pokeBA0(chip, BA0_CLKCR1, CLKCR1_PLLP | CLKCR1_SWCE); 2974 2975 /* 2976 * Enable FIFO Host Bypass 2977 */ 2978 snd_cs46xx_pokeBA0(chip, BA0_SERBCF, SERBCF_HBP); 2979 2980 /* 2981 * Fill the serial port FIFOs with silence. 2982 */ 2983 snd_cs46xx_clear_serial_FIFOs(chip); 2984 2985 /* 2986 * Set the serial port FIFO pointer to the first sample in the FIFO. 2987 */ 2988 /* snd_cs46xx_pokeBA0(chip, BA0_SERBSP, 0); */ 2989 2990 /* 2991 * Write the serial port configuration to the part. The master 2992 * enable bit is not set until all other values have been written. 2993 */ 2994 snd_cs46xx_pokeBA0(chip, BA0_SERC1, SERC1_SO1F_AC97 | SERC1_SO1EN); 2995 snd_cs46xx_pokeBA0(chip, BA0_SERC2, SERC2_SI1F_AC97 | SERC1_SO1EN); 2996 snd_cs46xx_pokeBA0(chip, BA0_SERMC1, SERMC1_PTC_AC97 | SERMC1_MSPE); 2997 2998 2999 #ifdef CONFIG_SND_CS46XX_NEW_DSP 3000 snd_cs46xx_pokeBA0(chip, BA0_SERC7, SERC7_ASDI2EN); 3001 snd_cs46xx_pokeBA0(chip, BA0_SERC3, 0); 3002 snd_cs46xx_pokeBA0(chip, BA0_SERC4, 0); 3003 snd_cs46xx_pokeBA0(chip, BA0_SERC5, 0); 3004 snd_cs46xx_pokeBA0(chip, BA0_SERC6, 1); 3005 #endif 3006 3007 mdelay(5); 3008 3009 3010 /* 3011 * Wait for the codec ready signal from the AC97 codec. 3012 */ 3013 timeout = 150; 3014 while (timeout-- > 0) { 3015 /* 3016 * Read the AC97 status register to see if we've seen a CODEC READY 3017 * signal from the AC97 codec. 3018 */ 3019 if (snd_cs46xx_peekBA0(chip, BA0_ACSTS) & ACSTS_CRDY) 3020 goto ok1; 3021 msleep(10); 3022 } 3023 3024 3025 dev_err(chip->card->dev, 3026 "create - never read codec ready from AC'97\n"); 3027 dev_err(chip->card->dev, 3028 "it is not probably bug, try to use CS4236 driver\n"); 3029 return -EIO; 3030 ok1: 3031 #ifdef CONFIG_SND_CS46XX_NEW_DSP 3032 { 3033 int count; 3034 for (count = 0; count < 150; count++) { 3035 /* First, we want to wait for a short time. */ 3036 udelay(25); 3037 3038 if (snd_cs46xx_peekBA0(chip, BA0_ACSTS2) & ACSTS_CRDY) 3039 break; 3040 } 3041 3042 /* 3043 * Make sure CODEC is READY. 3044 */ 3045 if (!(snd_cs46xx_peekBA0(chip, BA0_ACSTS2) & ACSTS_CRDY)) 3046 dev_dbg(chip->card->dev, 3047 "never read card ready from secondary AC'97\n"); 3048 } 3049 #endif 3050 3051 /* 3052 * Assert the vaid frame signal so that we can start sending commands 3053 * to the AC97 codec. 3054 */ 3055 snd_cs46xx_pokeBA0(chip, BA0_ACCTL, ACCTL_VFRM | ACCTL_ESYN | ACCTL_RSTN); 3056 #ifdef CONFIG_SND_CS46XX_NEW_DSP 3057 snd_cs46xx_pokeBA0(chip, BA0_ACCTL2, ACCTL_VFRM | ACCTL_ESYN | ACCTL_RSTN); 3058 #endif 3059 3060 3061 /* 3062 * Wait until we've sampled input slots 3 and 4 as valid, meaning that 3063 * the codec is pumping ADC data across the AC-link. 3064 */ 3065 timeout = 150; 3066 while (timeout-- > 0) { 3067 /* 3068 * Read the input slot valid register and see if input slots 3 and 3069 * 4 are valid yet. 3070 */ 3071 if ((snd_cs46xx_peekBA0(chip, BA0_ACISV) & (ACISV_ISV3 | ACISV_ISV4)) == (ACISV_ISV3 | ACISV_ISV4)) 3072 goto ok2; 3073 msleep(10); 3074 } 3075 3076 #ifndef CONFIG_SND_CS46XX_NEW_DSP 3077 dev_err(chip->card->dev, 3078 "create - never read ISV3 & ISV4 from AC'97\n"); 3079 return -EIO; 3080 #else 3081 /* This may happen on a cold boot with a Terratec SiXPack 5.1. 3082 Reloading the driver may help, if there's other soundcards 3083 with the same problem I would like to know. (Benny) */ 3084 3085 dev_err(chip->card->dev, "never read ISV3 & ISV4 from AC'97\n"); 3086 dev_err(chip->card->dev, 3087 "Try reloading the ALSA driver, if you find something\n"); 3088 dev_err(chip->card->dev, 3089 "broken or not working on your soundcard upon\n"); 3090 dev_err(chip->card->dev, 3091 "this message please report to alsa-devel@alsa-project.org\n"); 3092 3093 return -EIO; 3094 #endif 3095 ok2: 3096 3097 /* 3098 * Now, assert valid frame and the slot 3 and 4 valid bits. This will 3099 * commense the transfer of digital audio data to the AC97 codec. 3100 */ 3101 3102 snd_cs46xx_pokeBA0(chip, BA0_ACOSV, ACOSV_SLV3 | ACOSV_SLV4); 3103 3104 3105 /* 3106 * Power down the DAC and ADC. We will power them up (if) when we need 3107 * them. 3108 */ 3109 /* snd_cs46xx_pokeBA0(chip, BA0_AC97_POWERDOWN, 0x300); */ 3110 3111 /* 3112 * Turn off the Processor by turning off the software clock enable flag in 3113 * the clock control register. 3114 */ 3115 /* tmp = snd_cs46xx_peekBA0(chip, BA0_CLKCR1) & ~CLKCR1_SWCE; */ 3116 /* snd_cs46xx_pokeBA0(chip, BA0_CLKCR1, tmp); */ 3117 3118 return 0; 3119 } 3120 3121 /* 3122 * start and load DSP 3123 */ 3124 3125 static void cs46xx_enable_stream_irqs(struct snd_cs46xx *chip) 3126 { 3127 unsigned int tmp; 3128 3129 snd_cs46xx_pokeBA0(chip, BA0_HICR, HICR_IEV | HICR_CHGM); 3130 3131 tmp = snd_cs46xx_peek(chip, BA1_PFIE); 3132 tmp &= ~0x0000f03f; 3133 snd_cs46xx_poke(chip, BA1_PFIE, tmp); /* playback interrupt enable */ 3134 3135 tmp = snd_cs46xx_peek(chip, BA1_CIE); 3136 tmp &= ~0x0000003f; 3137 tmp |= 0x00000001; 3138 snd_cs46xx_poke(chip, BA1_CIE, tmp); /* capture interrupt enable */ 3139 } 3140 3141 int snd_cs46xx_start_dsp(struct snd_cs46xx *chip) 3142 { 3143 unsigned int tmp; 3144 #ifdef CONFIG_SND_CS46XX_NEW_DSP 3145 int i; 3146 #endif 3147 int err; 3148 3149 /* 3150 * Reset the processor. 3151 */ 3152 snd_cs46xx_reset(chip); 3153 /* 3154 * Download the image to the processor. 3155 */ 3156 #ifdef CONFIG_SND_CS46XX_NEW_DSP 3157 for (i = 0; i < CS46XX_DSP_MODULES; i++) { 3158 err = load_firmware(chip, &chip->modules[i], module_names[i]); 3159 if (err < 0) { 3160 dev_err(chip->card->dev, "firmware load error [%s]\n", 3161 module_names[i]); 3162 return err; 3163 } 3164 err = cs46xx_dsp_load_module(chip, chip->modules[i]); 3165 if (err < 0) { 3166 dev_err(chip->card->dev, "image download error [%s]\n", 3167 module_names[i]); 3168 return err; 3169 } 3170 } 3171 3172 if (cs46xx_dsp_scb_and_task_init(chip) < 0) 3173 return -EIO; 3174 #else 3175 err = load_firmware(chip); 3176 if (err < 0) 3177 return err; 3178 3179 /* old image */ 3180 err = snd_cs46xx_download_image(chip); 3181 if (err < 0) { 3182 dev_err(chip->card->dev, "image download error\n"); 3183 return err; 3184 } 3185 3186 /* 3187 * Stop playback DMA. 3188 */ 3189 tmp = snd_cs46xx_peek(chip, BA1_PCTL); 3190 chip->play_ctl = tmp & 0xffff0000; 3191 snd_cs46xx_poke(chip, BA1_PCTL, tmp & 0x0000ffff); 3192 #endif 3193 3194 /* 3195 * Stop capture DMA. 3196 */ 3197 tmp = snd_cs46xx_peek(chip, BA1_CCTL); 3198 chip->capt.ctl = tmp & 0x0000ffff; 3199 snd_cs46xx_poke(chip, BA1_CCTL, tmp & 0xffff0000); 3200 3201 mdelay(5); 3202 3203 snd_cs46xx_set_play_sample_rate(chip, 8000); 3204 snd_cs46xx_set_capture_sample_rate(chip, 8000); 3205 3206 snd_cs46xx_proc_start(chip); 3207 3208 cs46xx_enable_stream_irqs(chip); 3209 3210 #ifndef CONFIG_SND_CS46XX_NEW_DSP 3211 /* set the attenuation to 0dB */ 3212 snd_cs46xx_poke(chip, BA1_PVOL, 0x80008000); 3213 snd_cs46xx_poke(chip, BA1_CVOL, 0x80008000); 3214 #endif 3215 3216 return 0; 3217 } 3218 3219 3220 /* 3221 * AMP control - null AMP 3222 */ 3223 3224 static void amp_none(struct snd_cs46xx *chip, int change) 3225 { 3226 } 3227 3228 #ifdef CONFIG_SND_CS46XX_NEW_DSP 3229 static int voyetra_setup_eapd_slot(struct snd_cs46xx *chip) 3230 { 3231 3232 u32 idx, valid_slots,tmp,powerdown = 0; 3233 u16 modem_power,pin_config,logic_type; 3234 3235 dev_dbg(chip->card->dev, "cs46xx_setup_eapd_slot()+\n"); 3236 3237 /* 3238 * See if the devices are powered down. If so, we must power them up first 3239 * or they will not respond. 3240 */ 3241 tmp = snd_cs46xx_peekBA0(chip, BA0_CLKCR1); 3242 3243 if (!(tmp & CLKCR1_SWCE)) { 3244 snd_cs46xx_pokeBA0(chip, BA0_CLKCR1, tmp | CLKCR1_SWCE); 3245 powerdown = 1; 3246 } 3247 3248 /* 3249 * Clear PRA. The Bonzo chip will be used for GPIO not for modem 3250 * stuff. 3251 */ 3252 if(chip->nr_ac97_codecs != 2) { 3253 dev_err(chip->card->dev, 3254 "cs46xx_setup_eapd_slot() - no secondary codec configured\n"); 3255 return -EINVAL; 3256 } 3257 3258 modem_power = snd_cs46xx_codec_read (chip, 3259 AC97_EXTENDED_MSTATUS, 3260 CS46XX_SECONDARY_CODEC_INDEX); 3261 modem_power &=0xFEFF; 3262 3263 snd_cs46xx_codec_write(chip, 3264 AC97_EXTENDED_MSTATUS, modem_power, 3265 CS46XX_SECONDARY_CODEC_INDEX); 3266 3267 /* 3268 * Set GPIO pin's 7 and 8 so that they are configured for output. 3269 */ 3270 pin_config = snd_cs46xx_codec_read (chip, 3271 AC97_GPIO_CFG, 3272 CS46XX_SECONDARY_CODEC_INDEX); 3273 pin_config &=0x27F; 3274 3275 snd_cs46xx_codec_write(chip, 3276 AC97_GPIO_CFG, pin_config, 3277 CS46XX_SECONDARY_CODEC_INDEX); 3278 3279 /* 3280 * Set GPIO pin's 7 and 8 so that they are compatible with CMOS logic. 3281 */ 3282 3283 logic_type = snd_cs46xx_codec_read(chip, AC97_GPIO_POLARITY, 3284 CS46XX_SECONDARY_CODEC_INDEX); 3285 logic_type &=0x27F; 3286 3287 snd_cs46xx_codec_write (chip, AC97_GPIO_POLARITY, logic_type, 3288 CS46XX_SECONDARY_CODEC_INDEX); 3289 3290 valid_slots = snd_cs46xx_peekBA0(chip, BA0_ACOSV); 3291 valid_slots |= 0x200; 3292 snd_cs46xx_pokeBA0(chip, BA0_ACOSV, valid_slots); 3293 3294 if ( cs46xx_wait_for_fifo(chip,1) ) { 3295 dev_dbg(chip->card->dev, "FIFO is busy\n"); 3296 3297 return -EINVAL; 3298 } 3299 3300 /* 3301 * Fill slots 12 with the correct value for the GPIO pins. 3302 */ 3303 for(idx = 0x90; idx <= 0x9F; idx++) { 3304 /* 3305 * Initialize the fifo so that bits 7 and 8 are on. 3306 * 3307 * Remember that the GPIO pins in bonzo are shifted by 4 bits to 3308 * the left. 0x1800 corresponds to bits 7 and 8. 3309 */ 3310 snd_cs46xx_pokeBA0(chip, BA0_SERBWP, 0x1800); 3311 3312 /* 3313 * Wait for command to complete 3314 */ 3315 if ( cs46xx_wait_for_fifo(chip,200) ) { 3316 dev_dbg(chip->card->dev, 3317 "failed waiting for FIFO at addr (%02X)\n", 3318 idx); 3319 3320 return -EINVAL; 3321 } 3322 3323 /* 3324 * Write the serial port FIFO index. 3325 */ 3326 snd_cs46xx_pokeBA0(chip, BA0_SERBAD, idx); 3327 3328 /* 3329 * Tell the serial port to load the new value into the FIFO location. 3330 */ 3331 snd_cs46xx_pokeBA0(chip, BA0_SERBCM, SERBCM_WRC); 3332 } 3333 3334 /* wait for last command to complete */ 3335 cs46xx_wait_for_fifo(chip,200); 3336 3337 /* 3338 * Now, if we powered up the devices, then power them back down again. 3339 * This is kinda ugly, but should never happen. 3340 */ 3341 if (powerdown) 3342 snd_cs46xx_pokeBA0(chip, BA0_CLKCR1, tmp); 3343 3344 return 0; 3345 } 3346 #endif 3347 3348 /* 3349 * Crystal EAPD mode 3350 */ 3351 3352 static void amp_voyetra(struct snd_cs46xx *chip, int change) 3353 { 3354 /* Manage the EAPD bit on the Crystal 4297 3355 and the Analog AD1885 */ 3356 3357 #ifdef CONFIG_SND_CS46XX_NEW_DSP 3358 int old = chip->amplifier; 3359 #endif 3360 int oval, val; 3361 3362 chip->amplifier += change; 3363 oval = snd_cs46xx_codec_read(chip, AC97_POWERDOWN, 3364 CS46XX_PRIMARY_CODEC_INDEX); 3365 val = oval; 3366 if (chip->amplifier) { 3367 /* Turn the EAPD amp on */ 3368 val |= 0x8000; 3369 } else { 3370 /* Turn the EAPD amp off */ 3371 val &= ~0x8000; 3372 } 3373 if (val != oval) { 3374 snd_cs46xx_codec_write(chip, AC97_POWERDOWN, val, 3375 CS46XX_PRIMARY_CODEC_INDEX); 3376 if (chip->eapd_switch) 3377 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 3378 &chip->eapd_switch->id); 3379 } 3380 3381 #ifdef CONFIG_SND_CS46XX_NEW_DSP 3382 if (chip->amplifier && !old) { 3383 voyetra_setup_eapd_slot(chip); 3384 } 3385 #endif 3386 } 3387 3388 static void hercules_init(struct snd_cs46xx *chip) 3389 { 3390 /* default: AMP off, and SPDIF input optical */ 3391 snd_cs46xx_pokeBA0(chip, BA0_EGPIODR, EGPIODR_GPOE0); 3392 snd_cs46xx_pokeBA0(chip, BA0_EGPIOPTR, EGPIODR_GPOE0); 3393 } 3394 3395 3396 /* 3397 * Game Theatre XP card - EGPIO[2] is used to enable the external amp. 3398 */ 3399 static void amp_hercules(struct snd_cs46xx *chip, int change) 3400 { 3401 int old = chip->amplifier; 3402 int val1 = snd_cs46xx_peekBA0(chip, BA0_EGPIODR); 3403 int val2 = snd_cs46xx_peekBA0(chip, BA0_EGPIOPTR); 3404 3405 chip->amplifier += change; 3406 if (chip->amplifier && !old) { 3407 dev_dbg(chip->card->dev, "Hercules amplifier ON\n"); 3408 3409 snd_cs46xx_pokeBA0(chip, BA0_EGPIODR, 3410 EGPIODR_GPOE2 | val1); /* enable EGPIO2 output */ 3411 snd_cs46xx_pokeBA0(chip, BA0_EGPIOPTR, 3412 EGPIOPTR_GPPT2 | val2); /* open-drain on output */ 3413 } else if (old && !chip->amplifier) { 3414 dev_dbg(chip->card->dev, "Hercules amplifier OFF\n"); 3415 snd_cs46xx_pokeBA0(chip, BA0_EGPIODR, val1 & ~EGPIODR_GPOE2); /* disable */ 3416 snd_cs46xx_pokeBA0(chip, BA0_EGPIOPTR, val2 & ~EGPIOPTR_GPPT2); /* disable */ 3417 } 3418 } 3419 3420 static void voyetra_mixer_init (struct snd_cs46xx *chip) 3421 { 3422 dev_dbg(chip->card->dev, "initializing Voyetra mixer\n"); 3423 3424 /* Enable SPDIF out */ 3425 snd_cs46xx_pokeBA0(chip, BA0_EGPIODR, EGPIODR_GPOE0); 3426 snd_cs46xx_pokeBA0(chip, BA0_EGPIOPTR, EGPIODR_GPOE0); 3427 } 3428 3429 static void hercules_mixer_init (struct snd_cs46xx *chip) 3430 { 3431 #ifdef CONFIG_SND_CS46XX_NEW_DSP 3432 unsigned int idx; 3433 int err; 3434 struct snd_card *card = chip->card; 3435 #endif 3436 3437 /* set EGPIO to default */ 3438 hercules_init(chip); 3439 3440 dev_dbg(chip->card->dev, "initializing Hercules mixer\n"); 3441 3442 #ifdef CONFIG_SND_CS46XX_NEW_DSP 3443 if (chip->in_suspend) 3444 return; 3445 3446 for (idx = 0 ; idx < ARRAY_SIZE(snd_hercules_controls); idx++) { 3447 struct snd_kcontrol *kctl; 3448 3449 kctl = snd_ctl_new1(&snd_hercules_controls[idx], chip); 3450 err = snd_ctl_add(card, kctl); 3451 if (err < 0) { 3452 dev_err(card->dev, 3453 "failed to initialize Hercules mixer (%d)\n", 3454 err); 3455 break; 3456 } 3457 } 3458 #endif 3459 } 3460 3461 3462 #if 0 3463 /* 3464 * Untested 3465 */ 3466 3467 static void amp_voyetra_4294(struct snd_cs46xx *chip, int change) 3468 { 3469 chip->amplifier += change; 3470 3471 if (chip->amplifier) { 3472 /* Switch the GPIO pins 7 and 8 to open drain */ 3473 snd_cs46xx_codec_write(chip, 0x4C, 3474 snd_cs46xx_codec_read(chip, 0x4C) & 0xFE7F); 3475 snd_cs46xx_codec_write(chip, 0x4E, 3476 snd_cs46xx_codec_read(chip, 0x4E) | 0x0180); 3477 /* Now wake the AMP (this might be backwards) */ 3478 snd_cs46xx_codec_write(chip, 0x54, 3479 snd_cs46xx_codec_read(chip, 0x54) & ~0x0180); 3480 } else { 3481 snd_cs46xx_codec_write(chip, 0x54, 3482 snd_cs46xx_codec_read(chip, 0x54) | 0x0180); 3483 } 3484 } 3485 #endif 3486 3487 3488 /* 3489 * Handle the CLKRUN on a thinkpad. We must disable CLKRUN support 3490 * whenever we need to beat on the chip. 3491 * 3492 * The original idea and code for this hack comes from David Kaiser at 3493 * Linuxcare. Perhaps one day Crystal will document their chips well 3494 * enough to make them useful. 3495 */ 3496 3497 static void clkrun_hack(struct snd_cs46xx *chip, int change) 3498 { 3499 u16 control, nval; 3500 3501 if (!chip->acpi_port) 3502 return; 3503 3504 chip->amplifier += change; 3505 3506 /* Read ACPI port */ 3507 nval = control = inw(chip->acpi_port + 0x10); 3508 3509 /* Flip CLKRUN off while running */ 3510 if (! chip->amplifier) 3511 nval |= 0x2000; 3512 else 3513 nval &= ~0x2000; 3514 if (nval != control) 3515 outw(nval, chip->acpi_port + 0x10); 3516 } 3517 3518 3519 /* 3520 * detect intel piix4 3521 */ 3522 static void clkrun_init(struct snd_cs46xx *chip) 3523 { 3524 struct pci_dev *pdev; 3525 u8 pp; 3526 3527 chip->acpi_port = 0; 3528 3529 pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 3530 PCI_DEVICE_ID_INTEL_82371AB_3, NULL); 3531 if (pdev == NULL) 3532 return; /* Not a thinkpad thats for sure */ 3533 3534 /* Find the control port */ 3535 pci_read_config_byte(pdev, 0x41, &pp); 3536 chip->acpi_port = pp << 8; 3537 pci_dev_put(pdev); 3538 } 3539 3540 3541 /* 3542 * Card subid table 3543 */ 3544 3545 struct cs_card_type 3546 { 3547 u16 vendor; 3548 u16 id; 3549 char *name; 3550 void (*init)(struct snd_cs46xx *); 3551 void (*amp)(struct snd_cs46xx *, int); 3552 void (*active)(struct snd_cs46xx *, int); 3553 void (*mixer_init)(struct snd_cs46xx *); 3554 }; 3555 3556 static struct cs_card_type cards[] = { 3557 { 3558 .vendor = 0x1489, 3559 .id = 0x7001, 3560 .name = "Genius Soundmaker 128 value", 3561 /* nothing special */ 3562 }, 3563 { 3564 .vendor = 0x5053, 3565 .id = 0x3357, 3566 .name = "Voyetra", 3567 .amp = amp_voyetra, 3568 .mixer_init = voyetra_mixer_init, 3569 }, 3570 { 3571 .vendor = 0x1071, 3572 .id = 0x6003, 3573 .name = "Mitac MI6020/21", 3574 .amp = amp_voyetra, 3575 }, 3576 /* Hercules Game Theatre XP */ 3577 { 3578 .vendor = 0x14af, /* Guillemot Corporation */ 3579 .id = 0x0050, 3580 .name = "Hercules Game Theatre XP", 3581 .amp = amp_hercules, 3582 .mixer_init = hercules_mixer_init, 3583 }, 3584 { 3585 .vendor = 0x1681, 3586 .id = 0x0050, 3587 .name = "Hercules Game Theatre XP", 3588 .amp = amp_hercules, 3589 .mixer_init = hercules_mixer_init, 3590 }, 3591 { 3592 .vendor = 0x1681, 3593 .id = 0x0051, 3594 .name = "Hercules Game Theatre XP", 3595 .amp = amp_hercules, 3596 .mixer_init = hercules_mixer_init, 3597 3598 }, 3599 { 3600 .vendor = 0x1681, 3601 .id = 0x0052, 3602 .name = "Hercules Game Theatre XP", 3603 .amp = amp_hercules, 3604 .mixer_init = hercules_mixer_init, 3605 }, 3606 { 3607 .vendor = 0x1681, 3608 .id = 0x0053, 3609 .name = "Hercules Game Theatre XP", 3610 .amp = amp_hercules, 3611 .mixer_init = hercules_mixer_init, 3612 }, 3613 { 3614 .vendor = 0x1681, 3615 .id = 0x0054, 3616 .name = "Hercules Game Theatre XP", 3617 .amp = amp_hercules, 3618 .mixer_init = hercules_mixer_init, 3619 }, 3620 /* Herculess Fortissimo */ 3621 { 3622 .vendor = 0x1681, 3623 .id = 0xa010, 3624 .name = "Hercules Gamesurround Fortissimo II", 3625 }, 3626 { 3627 .vendor = 0x1681, 3628 .id = 0xa011, 3629 .name = "Hercules Gamesurround Fortissimo III 7.1", 3630 }, 3631 /* Teratec */ 3632 { 3633 .vendor = 0x153b, 3634 .id = 0x112e, 3635 .name = "Terratec DMX XFire 1024", 3636 }, 3637 { 3638 .vendor = 0x153b, 3639 .id = 0x1136, 3640 .name = "Terratec SiXPack 5.1", 3641 }, 3642 /* Not sure if the 570 needs the clkrun hack */ 3643 { 3644 .vendor = PCI_VENDOR_ID_IBM, 3645 .id = 0x0132, 3646 .name = "Thinkpad 570", 3647 .init = clkrun_init, 3648 .active = clkrun_hack, 3649 }, 3650 { 3651 .vendor = PCI_VENDOR_ID_IBM, 3652 .id = 0x0153, 3653 .name = "Thinkpad 600X/A20/T20", 3654 .init = clkrun_init, 3655 .active = clkrun_hack, 3656 }, 3657 { 3658 .vendor = PCI_VENDOR_ID_IBM, 3659 .id = 0x1010, 3660 .name = "Thinkpad 600E (unsupported)", 3661 }, 3662 {} /* terminator */ 3663 }; 3664 3665 3666 /* 3667 * APM support 3668 */ 3669 #ifdef CONFIG_PM_SLEEP 3670 static const unsigned int saved_regs[] = { 3671 BA0_ACOSV, 3672 /*BA0_ASER_FADDR,*/ 3673 BA0_ASER_MASTER, 3674 BA1_PVOL, 3675 BA1_CVOL, 3676 }; 3677 3678 static int snd_cs46xx_suspend(struct device *dev) 3679 { 3680 struct snd_card *card = dev_get_drvdata(dev); 3681 struct snd_cs46xx *chip = card->private_data; 3682 int i, amp_saved; 3683 3684 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 3685 chip->in_suspend = 1; 3686 // chip->ac97_powerdown = snd_cs46xx_codec_read(chip, AC97_POWER_CONTROL); 3687 // chip->ac97_general_purpose = snd_cs46xx_codec_read(chip, BA0_AC97_GENERAL_PURPOSE); 3688 3689 snd_ac97_suspend(chip->ac97[CS46XX_PRIMARY_CODEC_INDEX]); 3690 snd_ac97_suspend(chip->ac97[CS46XX_SECONDARY_CODEC_INDEX]); 3691 3692 /* save some registers */ 3693 for (i = 0; i < ARRAY_SIZE(saved_regs); i++) 3694 chip->saved_regs[i] = snd_cs46xx_peekBA0(chip, saved_regs[i]); 3695 3696 amp_saved = chip->amplifier; 3697 /* turn off amp */ 3698 chip->amplifier_ctrl(chip, -chip->amplifier); 3699 snd_cs46xx_hw_stop(chip); 3700 /* disable CLKRUN */ 3701 chip->active_ctrl(chip, -chip->amplifier); 3702 chip->amplifier = amp_saved; /* restore the status */ 3703 return 0; 3704 } 3705 3706 static int snd_cs46xx_resume(struct device *dev) 3707 { 3708 struct snd_card *card = dev_get_drvdata(dev); 3709 struct snd_cs46xx *chip = card->private_data; 3710 int amp_saved; 3711 #ifdef CONFIG_SND_CS46XX_NEW_DSP 3712 int i; 3713 #endif 3714 unsigned int tmp; 3715 3716 amp_saved = chip->amplifier; 3717 chip->amplifier = 0; 3718 chip->active_ctrl(chip, 1); /* force to on */ 3719 3720 snd_cs46xx_chip_init(chip); 3721 3722 snd_cs46xx_reset(chip); 3723 #ifdef CONFIG_SND_CS46XX_NEW_DSP 3724 cs46xx_dsp_resume(chip); 3725 /* restore some registers */ 3726 for (i = 0; i < ARRAY_SIZE(saved_regs); i++) 3727 snd_cs46xx_pokeBA0(chip, saved_regs[i], chip->saved_regs[i]); 3728 #else 3729 snd_cs46xx_download_image(chip); 3730 #endif 3731 3732 #if 0 3733 snd_cs46xx_codec_write(chip, BA0_AC97_GENERAL_PURPOSE, 3734 chip->ac97_general_purpose); 3735 snd_cs46xx_codec_write(chip, AC97_POWER_CONTROL, 3736 chip->ac97_powerdown); 3737 mdelay(10); 3738 snd_cs46xx_codec_write(chip, BA0_AC97_POWERDOWN, 3739 chip->ac97_powerdown); 3740 mdelay(5); 3741 #endif 3742 3743 snd_ac97_resume(chip->ac97[CS46XX_PRIMARY_CODEC_INDEX]); 3744 snd_ac97_resume(chip->ac97[CS46XX_SECONDARY_CODEC_INDEX]); 3745 3746 /* 3747 * Stop capture DMA. 3748 */ 3749 tmp = snd_cs46xx_peek(chip, BA1_CCTL); 3750 chip->capt.ctl = tmp & 0x0000ffff; 3751 snd_cs46xx_poke(chip, BA1_CCTL, tmp & 0xffff0000); 3752 3753 mdelay(5); 3754 3755 /* reset playback/capture */ 3756 snd_cs46xx_set_play_sample_rate(chip, 8000); 3757 snd_cs46xx_set_capture_sample_rate(chip, 8000); 3758 snd_cs46xx_proc_start(chip); 3759 3760 cs46xx_enable_stream_irqs(chip); 3761 3762 if (amp_saved) 3763 chip->amplifier_ctrl(chip, 1); /* turn amp on */ 3764 else 3765 chip->active_ctrl(chip, -1); /* disable CLKRUN */ 3766 chip->amplifier = amp_saved; 3767 chip->in_suspend = 0; 3768 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 3769 return 0; 3770 } 3771 3772 SIMPLE_DEV_PM_OPS(snd_cs46xx_pm, snd_cs46xx_suspend, snd_cs46xx_resume); 3773 #endif /* CONFIG_PM_SLEEP */ 3774 3775 3776 /* 3777 */ 3778 3779 int snd_cs46xx_create(struct snd_card *card, 3780 struct pci_dev *pci, 3781 int external_amp, int thinkpad) 3782 { 3783 struct snd_cs46xx *chip = card->private_data; 3784 int err, idx; 3785 struct snd_cs46xx_region *region; 3786 struct cs_card_type *cp; 3787 u16 ss_card, ss_vendor; 3788 3789 /* enable PCI device */ 3790 err = pcim_enable_device(pci); 3791 if (err < 0) 3792 return err; 3793 3794 spin_lock_init(&chip->reg_lock); 3795 #ifdef CONFIG_SND_CS46XX_NEW_DSP 3796 mutex_init(&chip->spos_mutex); 3797 #endif 3798 chip->card = card; 3799 chip->pci = pci; 3800 chip->irq = -1; 3801 3802 err = pcim_request_all_regions(pci, "CS46xx"); 3803 if (err < 0) 3804 return err; 3805 chip->ba0_addr = pci_resource_start(pci, 0); 3806 chip->ba1_addr = pci_resource_start(pci, 1); 3807 if (chip->ba0_addr == 0 || chip->ba0_addr == (unsigned long)~0 || 3808 chip->ba1_addr == 0 || chip->ba1_addr == (unsigned long)~0) { 3809 dev_err(chip->card->dev, 3810 "wrong address(es) - ba0 = 0x%lx, ba1 = 0x%lx\n", 3811 chip->ba0_addr, chip->ba1_addr); 3812 return -ENOMEM; 3813 } 3814 3815 region = &chip->region.name.ba0; 3816 strscpy(region->name, "CS46xx_BA0"); 3817 region->base = chip->ba0_addr; 3818 region->size = CS46XX_BA0_SIZE; 3819 3820 region = &chip->region.name.data0; 3821 strscpy(region->name, "CS46xx_BA1_data0"); 3822 region->base = chip->ba1_addr + BA1_SP_DMEM0; 3823 region->size = CS46XX_BA1_DATA0_SIZE; 3824 3825 region = &chip->region.name.data1; 3826 strscpy(region->name, "CS46xx_BA1_data1"); 3827 region->base = chip->ba1_addr + BA1_SP_DMEM1; 3828 region->size = CS46XX_BA1_DATA1_SIZE; 3829 3830 region = &chip->region.name.pmem; 3831 strscpy(region->name, "CS46xx_BA1_pmem"); 3832 region->base = chip->ba1_addr + BA1_SP_PMEM; 3833 region->size = CS46XX_BA1_PRG_SIZE; 3834 3835 region = &chip->region.name.reg; 3836 strscpy(region->name, "CS46xx_BA1_reg"); 3837 region->base = chip->ba1_addr + BA1_SP_REG; 3838 region->size = CS46XX_BA1_REG_SIZE; 3839 3840 /* set up amp and clkrun hack */ 3841 pci_read_config_word(pci, PCI_SUBSYSTEM_VENDOR_ID, &ss_vendor); 3842 pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &ss_card); 3843 3844 for (cp = &cards[0]; cp->name; cp++) { 3845 if (cp->vendor == ss_vendor && cp->id == ss_card) { 3846 dev_dbg(chip->card->dev, "hack for %s enabled\n", 3847 cp->name); 3848 3849 chip->amplifier_ctrl = cp->amp; 3850 chip->active_ctrl = cp->active; 3851 chip->mixer_init = cp->mixer_init; 3852 3853 if (cp->init) 3854 cp->init(chip); 3855 break; 3856 } 3857 } 3858 3859 if (external_amp) { 3860 dev_info(chip->card->dev, 3861 "Crystal EAPD support forced on.\n"); 3862 chip->amplifier_ctrl = amp_voyetra; 3863 } 3864 3865 if (thinkpad) { 3866 dev_info(chip->card->dev, 3867 "Activating CLKRUN hack for Thinkpad.\n"); 3868 chip->active_ctrl = clkrun_hack; 3869 clkrun_init(chip); 3870 } 3871 3872 if (chip->amplifier_ctrl == NULL) 3873 chip->amplifier_ctrl = amp_none; 3874 if (chip->active_ctrl == NULL) 3875 chip->active_ctrl = amp_none; 3876 3877 chip->active_ctrl(chip, 1); /* enable CLKRUN */ 3878 3879 pci_set_master(pci); 3880 3881 for (idx = 0; idx < 5; idx++) { 3882 region = &chip->region.idx[idx]; 3883 region->remap_addr = devm_ioremap(&pci->dev, region->base, 3884 region->size); 3885 if (region->remap_addr == NULL) { 3886 dev_err(chip->card->dev, 3887 "%s ioremap problem\n", region->name); 3888 return -ENOMEM; 3889 } 3890 } 3891 3892 if (devm_request_irq(&pci->dev, pci->irq, snd_cs46xx_interrupt, 3893 IRQF_SHARED, KBUILD_MODNAME, chip)) { 3894 dev_err(chip->card->dev, "unable to grab IRQ %d\n", pci->irq); 3895 return -EBUSY; 3896 } 3897 chip->irq = pci->irq; 3898 card->sync_irq = chip->irq; 3899 card->private_free = snd_cs46xx_free; 3900 3901 #ifdef CONFIG_SND_CS46XX_NEW_DSP 3902 chip->dsp_spos_instance = cs46xx_dsp_spos_create(chip); 3903 if (!chip->dsp_spos_instance) 3904 return -ENOMEM; 3905 #endif 3906 3907 err = snd_cs46xx_chip_init(chip); 3908 if (err < 0) 3909 return err; 3910 3911 snd_cs46xx_proc_init(card, chip); 3912 3913 #ifdef CONFIG_PM_SLEEP 3914 chip->saved_regs = devm_kmalloc_array(&pci->dev, 3915 ARRAY_SIZE(saved_regs), 3916 sizeof(*chip->saved_regs), 3917 GFP_KERNEL); 3918 if (!chip->saved_regs) 3919 return -ENOMEM; 3920 #endif 3921 3922 chip->active_ctrl(chip, -1); /* disable CLKRUN */ 3923 return 0; 3924 } 3925