1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 4 * Routines for control of ESS ES1688/688/488 chip 5 */ 6 7 #include <linux/init.h> 8 #include <linux/interrupt.h> 9 #include <linux/delay.h> 10 #include <linux/slab.h> 11 #include <linux/ioport.h> 12 #include <linux/module.h> 13 #include <linux/io.h> 14 #include <sound/core.h> 15 #include <sound/es1688.h> 16 #include <sound/initval.h> 17 18 #include <asm/dma.h> 19 20 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 21 MODULE_DESCRIPTION("ESS ESx688 lowlevel module"); 22 MODULE_LICENSE("GPL"); 23 24 static int snd_es1688_dsp_command(struct snd_es1688 *chip, unsigned char val) 25 { 26 int i; 27 28 for (i = 10000; i; i--) 29 if ((inb(ES1688P(chip, STATUS)) & 0x80) == 0) { 30 outb(val, ES1688P(chip, COMMAND)); 31 return 1; 32 } 33 dev_dbg(chip->card->dev, "%s: timeout (0x%x)\n", __func__, val); 34 return 0; 35 } 36 37 static int snd_es1688_dsp_get_byte(struct snd_es1688 *chip) 38 { 39 int i; 40 41 for (i = 1000; i; i--) 42 if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80) 43 return inb(ES1688P(chip, READ)); 44 dev_dbg(chip->card->dev, "es1688 get byte failed: 0x%lx = 0x%x!!!\n", 45 ES1688P(chip, DATA_AVAIL), inb(ES1688P(chip, DATA_AVAIL))); 46 return -ENODEV; 47 } 48 49 static int snd_es1688_write(struct snd_es1688 *chip, 50 unsigned char reg, unsigned char data) 51 { 52 if (!snd_es1688_dsp_command(chip, reg)) 53 return 0; 54 return snd_es1688_dsp_command(chip, data); 55 } 56 57 static int snd_es1688_read(struct snd_es1688 *chip, unsigned char reg) 58 { 59 /* Read a byte from an extended mode register of ES1688 */ 60 if (!snd_es1688_dsp_command(chip, 0xc0)) 61 return -1; 62 if (!snd_es1688_dsp_command(chip, reg)) 63 return -1; 64 return snd_es1688_dsp_get_byte(chip); 65 } 66 67 void snd_es1688_mixer_write(struct snd_es1688 *chip, 68 unsigned char reg, unsigned char data) 69 { 70 outb(reg, ES1688P(chip, MIXER_ADDR)); 71 udelay(10); 72 outb(data, ES1688P(chip, MIXER_DATA)); 73 udelay(10); 74 } 75 76 static unsigned char snd_es1688_mixer_read(struct snd_es1688 *chip, unsigned char reg) 77 { 78 unsigned char result; 79 80 outb(reg, ES1688P(chip, MIXER_ADDR)); 81 udelay(10); 82 result = inb(ES1688P(chip, MIXER_DATA)); 83 udelay(10); 84 return result; 85 } 86 87 int snd_es1688_reset(struct snd_es1688 *chip) 88 { 89 int i; 90 91 outb(3, ES1688P(chip, RESET)); /* valid only for ESS chips, SB -> 1 */ 92 udelay(10); 93 outb(0, ES1688P(chip, RESET)); 94 udelay(30); 95 for (i = 0; i < 1000 && !(inb(ES1688P(chip, DATA_AVAIL)) & 0x80); i++); 96 if (inb(ES1688P(chip, READ)) != 0xaa) { 97 dev_dbg(chip->card->dev, "ess_reset at 0x%lx: failed!!!\n", 98 chip->port); 99 return -ENODEV; 100 } 101 snd_es1688_dsp_command(chip, 0xc6); /* enable extended mode */ 102 return 0; 103 } 104 EXPORT_SYMBOL(snd_es1688_reset); 105 106 static int snd_es1688_probe(struct snd_es1688 *chip) 107 { 108 unsigned long flags; 109 unsigned short major, minor; 110 int i; 111 112 /* 113 * initialization sequence 114 */ 115 116 spin_lock_irqsave(&chip->reg_lock, flags); /* Some ESS1688 cards need this */ 117 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 118 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 119 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 120 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ 121 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 122 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ 123 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 124 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 125 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ 126 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 127 inb(ES1688P(chip, ENABLE0)); /* ENABLE0 */ 128 129 if (snd_es1688_reset(chip) < 0) { 130 dev_dbg(chip->card->dev, "ESS: [0x%lx] reset failed... 0x%x\n", 131 chip->port, inb(ES1688P(chip, READ))); 132 spin_unlock_irqrestore(&chip->reg_lock, flags); 133 return -ENODEV; 134 } 135 snd_es1688_dsp_command(chip, 0xe7); /* return identification */ 136 137 for (i = 1000, major = minor = 0; i; i--) { 138 if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80) { 139 if (major == 0) { 140 major = inb(ES1688P(chip, READ)); 141 } else { 142 minor = inb(ES1688P(chip, READ)); 143 } 144 } 145 } 146 147 spin_unlock_irqrestore(&chip->reg_lock, flags); 148 149 dev_dbg(chip->card->dev, 150 "ESS: [0x%lx] found.. major = 0x%x, minor = 0x%x\n", 151 chip->port, major, minor); 152 153 chip->version = (major << 8) | minor; 154 if (!chip->version) 155 return -ENODEV; /* probably SB */ 156 157 switch (chip->version & 0xfff0) { 158 case 0x4880: 159 dev_err(chip->card->dev, 160 "[0x%lx] ESS: AudioDrive ES488 detected, but driver is in another place\n", 161 chip->port); 162 return -ENODEV; 163 case 0x6880: 164 break; 165 default: 166 dev_err(chip->card->dev, 167 "[0x%lx] ESS: unknown AudioDrive chip with version 0x%x (Jazz16 soundcard?)\n", 168 chip->port, chip->version); 169 return -ENODEV; 170 } 171 172 spin_lock_irqsave(&chip->reg_lock, flags); 173 snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */ 174 snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */ 175 spin_unlock_irqrestore(&chip->reg_lock, flags); 176 177 /* enable joystick, but disable OPL3 */ 178 spin_lock_irqsave(&chip->mixer_lock, flags); 179 snd_es1688_mixer_write(chip, 0x40, 0x01); 180 spin_unlock_irqrestore(&chip->mixer_lock, flags); 181 182 return 0; 183 } 184 185 static int snd_es1688_init(struct snd_es1688 * chip, int enable) 186 { 187 static const int irqs[16] = {-1, -1, 0, -1, -1, 1, -1, 2, -1, 0, 3, -1, -1, -1, -1, -1}; 188 unsigned long flags; 189 int cfg, irq_bits, dma, dma_bits, tmp, tmp1; 190 191 /* ok.. setup MPU-401 port and joystick and OPL3 */ 192 cfg = 0x01; /* enable joystick, but disable OPL3 */ 193 if (enable && chip->mpu_port >= 0x300 && chip->mpu_irq > 0 && chip->hardware != ES1688_HW_688) { 194 tmp = (chip->mpu_port & 0x0f0) >> 4; 195 if (tmp <= 3) { 196 switch (chip->mpu_irq) { 197 case 9: 198 tmp1 = 4; 199 break; 200 case 5: 201 tmp1 = 5; 202 break; 203 case 7: 204 tmp1 = 6; 205 break; 206 case 10: 207 tmp1 = 7; 208 break; 209 default: 210 tmp1 = 0; 211 } 212 if (tmp1) { 213 cfg |= (tmp << 3) | (tmp1 << 5); 214 } 215 } 216 } 217 spin_lock_irqsave(&chip->reg_lock, flags); 218 snd_es1688_mixer_write(chip, 0x40, cfg); 219 spin_unlock_irqrestore(&chip->reg_lock, flags); 220 /* --- */ 221 spin_lock_irqsave(&chip->reg_lock, flags); 222 snd_es1688_read(chip, 0xb1); 223 snd_es1688_read(chip, 0xb2); 224 spin_unlock_irqrestore(&chip->reg_lock, flags); 225 if (enable) { 226 cfg = 0xf0; /* enable only DMA counter interrupt */ 227 irq_bits = irqs[chip->irq & 0x0f]; 228 if (irq_bits < 0) { 229 dev_err(chip->card->dev, 230 "[0x%lx] ESS: bad IRQ %d for ES1688 chip!!\n", 231 chip->port, chip->irq); 232 #if 0 233 irq_bits = 0; 234 cfg = 0x10; 235 #endif 236 return -EINVAL; 237 } 238 spin_lock_irqsave(&chip->reg_lock, flags); 239 snd_es1688_write(chip, 0xb1, cfg | (irq_bits << 2)); 240 spin_unlock_irqrestore(&chip->reg_lock, flags); 241 cfg = 0xf0; /* extended mode DMA enable */ 242 dma = chip->dma8; 243 if (dma > 3 || dma == 2) { 244 dev_err(chip->card->dev, 245 "[0x%lx] ESS: bad DMA channel %d for ES1688 chip!!\n", 246 chip->port, dma); 247 #if 0 248 dma_bits = 0; 249 cfg = 0x00; /* disable all DMA */ 250 #endif 251 return -EINVAL; 252 } else { 253 dma_bits = dma; 254 if (dma != 3) 255 dma_bits++; 256 } 257 spin_lock_irqsave(&chip->reg_lock, flags); 258 snd_es1688_write(chip, 0xb2, cfg | (dma_bits << 2)); 259 spin_unlock_irqrestore(&chip->reg_lock, flags); 260 } else { 261 spin_lock_irqsave(&chip->reg_lock, flags); 262 snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */ 263 snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */ 264 spin_unlock_irqrestore(&chip->reg_lock, flags); 265 } 266 spin_lock_irqsave(&chip->reg_lock, flags); 267 snd_es1688_read(chip, 0xb1); 268 snd_es1688_read(chip, 0xb2); 269 snd_es1688_reset(chip); 270 spin_unlock_irqrestore(&chip->reg_lock, flags); 271 return 0; 272 } 273 274 /* 275 276 */ 277 278 static const struct snd_ratnum clocks[2] = { 279 { 280 .num = 795444, 281 .den_min = 1, 282 .den_max = 128, 283 .den_step = 1, 284 }, 285 { 286 .num = 397722, 287 .den_min = 1, 288 .den_max = 128, 289 .den_step = 1, 290 } 291 }; 292 293 static const struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = { 294 .nrats = 2, 295 .rats = clocks, 296 }; 297 298 static void snd_es1688_set_rate(struct snd_es1688 *chip, struct snd_pcm_substream *substream) 299 { 300 struct snd_pcm_runtime *runtime = substream->runtime; 301 unsigned int bits, divider; 302 303 if (runtime->rate_num == clocks[0].num) 304 bits = 256 - runtime->rate_den; 305 else 306 bits = 128 - runtime->rate_den; 307 /* set filter register */ 308 divider = 256 - 7160000*20/(8*82*runtime->rate); 309 /* write result to hardware */ 310 snd_es1688_write(chip, 0xa1, bits); 311 snd_es1688_write(chip, 0xa2, divider); 312 } 313 314 static int snd_es1688_trigger(struct snd_es1688 *chip, int cmd, unsigned char value) 315 { 316 int val; 317 318 if (cmd == SNDRV_PCM_TRIGGER_STOP) { 319 value = 0x00; 320 } else if (cmd != SNDRV_PCM_TRIGGER_START) { 321 return -EINVAL; 322 } 323 spin_lock(&chip->reg_lock); 324 chip->trigger_value = value; 325 val = snd_es1688_read(chip, 0xb8); 326 if ((val < 0) || (val & 0x0f) == value) { 327 spin_unlock(&chip->reg_lock); 328 return -EINVAL; /* something is wrong */ 329 } 330 #if 0 331 dev_dbg(chip->card->dev, "trigger: val = 0x%x, value = 0x%x\n", val, value); 332 dev_dbg(chip->card->dev, "trigger: pointer = 0x%x\n", 333 snd_dma_pointer(chip->dma8, chip->dma_size)); 334 #endif 335 snd_es1688_write(chip, 0xb8, (val & 0xf0) | value); 336 spin_unlock(&chip->reg_lock); 337 return 0; 338 } 339 340 static int snd_es1688_playback_prepare(struct snd_pcm_substream *substream) 341 { 342 unsigned long flags; 343 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 344 struct snd_pcm_runtime *runtime = substream->runtime; 345 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 346 unsigned int count = snd_pcm_lib_period_bytes(substream); 347 348 chip->dma_size = size; 349 spin_lock_irqsave(&chip->reg_lock, flags); 350 snd_es1688_reset(chip); 351 snd_es1688_set_rate(chip, substream); 352 snd_es1688_write(chip, 0xb8, 4); /* auto init DMA mode */ 353 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels)); 354 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */ 355 if (runtime->channels == 1) { 356 if (snd_pcm_format_width(runtime->format) == 8) { 357 /* 8. bit mono */ 358 snd_es1688_write(chip, 0xb6, 0x80); 359 snd_es1688_write(chip, 0xb7, 0x51); 360 snd_es1688_write(chip, 0xb7, 0xd0); 361 } else { 362 /* 16. bit mono */ 363 snd_es1688_write(chip, 0xb6, 0x00); 364 snd_es1688_write(chip, 0xb7, 0x71); 365 snd_es1688_write(chip, 0xb7, 0xf4); 366 } 367 } else { 368 if (snd_pcm_format_width(runtime->format) == 8) { 369 /* 8. bit stereo */ 370 snd_es1688_write(chip, 0xb6, 0x80); 371 snd_es1688_write(chip, 0xb7, 0x51); 372 snd_es1688_write(chip, 0xb7, 0x98); 373 } else { 374 /* 16. bit stereo */ 375 snd_es1688_write(chip, 0xb6, 0x00); 376 snd_es1688_write(chip, 0xb7, 0x71); 377 snd_es1688_write(chip, 0xb7, 0xbc); 378 } 379 } 380 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50); 381 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50); 382 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKON); 383 spin_unlock_irqrestore(&chip->reg_lock, flags); 384 /* --- */ 385 count = -count; 386 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT); 387 spin_lock_irqsave(&chip->reg_lock, flags); 388 snd_es1688_write(chip, 0xa4, (unsigned char) count); 389 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8)); 390 spin_unlock_irqrestore(&chip->reg_lock, flags); 391 return 0; 392 } 393 394 static int snd_es1688_playback_trigger(struct snd_pcm_substream *substream, 395 int cmd) 396 { 397 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 398 return snd_es1688_trigger(chip, cmd, 0x05); 399 } 400 401 static int snd_es1688_capture_prepare(struct snd_pcm_substream *substream) 402 { 403 unsigned long flags; 404 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 405 struct snd_pcm_runtime *runtime = substream->runtime; 406 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 407 unsigned int count = snd_pcm_lib_period_bytes(substream); 408 409 chip->dma_size = size; 410 spin_lock_irqsave(&chip->reg_lock, flags); 411 snd_es1688_reset(chip); 412 snd_es1688_set_rate(chip, substream); 413 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKOFF); 414 snd_es1688_write(chip, 0xb8, 0x0e); /* auto init DMA mode */ 415 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels)); 416 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */ 417 if (runtime->channels == 1) { 418 if (snd_pcm_format_width(runtime->format) == 8) { 419 /* 8. bit mono */ 420 snd_es1688_write(chip, 0xb7, 0x51); 421 snd_es1688_write(chip, 0xb7, 0xd0); 422 } else { 423 /* 16. bit mono */ 424 snd_es1688_write(chip, 0xb7, 0x71); 425 snd_es1688_write(chip, 0xb7, 0xf4); 426 } 427 } else { 428 if (snd_pcm_format_width(runtime->format) == 8) { 429 /* 8. bit stereo */ 430 snd_es1688_write(chip, 0xb7, 0x51); 431 snd_es1688_write(chip, 0xb7, 0x98); 432 } else { 433 /* 16. bit stereo */ 434 snd_es1688_write(chip, 0xb7, 0x71); 435 snd_es1688_write(chip, 0xb7, 0xbc); 436 } 437 } 438 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50); 439 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50); 440 spin_unlock_irqrestore(&chip->reg_lock, flags); 441 /* --- */ 442 count = -count; 443 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT); 444 spin_lock_irqsave(&chip->reg_lock, flags); 445 snd_es1688_write(chip, 0xa4, (unsigned char) count); 446 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8)); 447 spin_unlock_irqrestore(&chip->reg_lock, flags); 448 return 0; 449 } 450 451 static int snd_es1688_capture_trigger(struct snd_pcm_substream *substream, 452 int cmd) 453 { 454 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 455 return snd_es1688_trigger(chip, cmd, 0x0f); 456 } 457 458 static irqreturn_t snd_es1688_interrupt(int irq, void *dev_id) 459 { 460 struct snd_es1688 *chip = dev_id; 461 462 if (chip->trigger_value == 0x05) /* ok.. playback is active */ 463 snd_pcm_period_elapsed(chip->playback_substream); 464 if (chip->trigger_value == 0x0f) /* ok.. capture is active */ 465 snd_pcm_period_elapsed(chip->capture_substream); 466 467 inb(ES1688P(chip, DATA_AVAIL)); /* ack interrupt */ 468 return IRQ_HANDLED; 469 } 470 471 static snd_pcm_uframes_t snd_es1688_playback_pointer(struct snd_pcm_substream *substream) 472 { 473 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 474 size_t ptr; 475 476 if (chip->trigger_value != 0x05) 477 return 0; 478 ptr = snd_dma_pointer(chip->dma8, chip->dma_size); 479 return bytes_to_frames(substream->runtime, ptr); 480 } 481 482 static snd_pcm_uframes_t snd_es1688_capture_pointer(struct snd_pcm_substream *substream) 483 { 484 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 485 size_t ptr; 486 487 if (chip->trigger_value != 0x0f) 488 return 0; 489 ptr = snd_dma_pointer(chip->dma8, chip->dma_size); 490 return bytes_to_frames(substream->runtime, ptr); 491 } 492 493 /* 494 495 */ 496 497 static const struct snd_pcm_hardware snd_es1688_playback = 498 { 499 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 500 SNDRV_PCM_INFO_MMAP_VALID), 501 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 502 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 503 .rate_min = 4000, 504 .rate_max = 48000, 505 .channels_min = 1, 506 .channels_max = 2, 507 .buffer_bytes_max = 65536, 508 .period_bytes_min = 64, 509 .period_bytes_max = 65536, 510 .periods_min = 1, 511 .periods_max = 1024, 512 .fifo_size = 0, 513 }; 514 515 static const struct snd_pcm_hardware snd_es1688_capture = 516 { 517 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 518 SNDRV_PCM_INFO_MMAP_VALID), 519 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 520 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 521 .rate_min = 4000, 522 .rate_max = 48000, 523 .channels_min = 1, 524 .channels_max = 2, 525 .buffer_bytes_max = 65536, 526 .period_bytes_min = 64, 527 .period_bytes_max = 65536, 528 .periods_min = 1, 529 .periods_max = 1024, 530 .fifo_size = 0, 531 }; 532 533 /* 534 535 */ 536 537 static int snd_es1688_playback_open(struct snd_pcm_substream *substream) 538 { 539 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 540 struct snd_pcm_runtime *runtime = substream->runtime; 541 542 if (chip->capture_substream != NULL) 543 return -EAGAIN; 544 chip->playback_substream = substream; 545 runtime->hw = snd_es1688_playback; 546 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 547 &hw_constraints_clocks); 548 return 0; 549 } 550 551 static int snd_es1688_capture_open(struct snd_pcm_substream *substream) 552 { 553 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 554 struct snd_pcm_runtime *runtime = substream->runtime; 555 556 if (chip->playback_substream != NULL) 557 return -EAGAIN; 558 chip->capture_substream = substream; 559 runtime->hw = snd_es1688_capture; 560 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 561 &hw_constraints_clocks); 562 return 0; 563 } 564 565 static int snd_es1688_playback_close(struct snd_pcm_substream *substream) 566 { 567 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 568 569 chip->playback_substream = NULL; 570 return 0; 571 } 572 573 static int snd_es1688_capture_close(struct snd_pcm_substream *substream) 574 { 575 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 576 577 chip->capture_substream = NULL; 578 return 0; 579 } 580 581 static int snd_es1688_free(struct snd_es1688 *chip) 582 { 583 if (chip->hardware != ES1688_HW_UNDEF) 584 snd_es1688_init(chip, 0); 585 release_and_free_resource(chip->res_port); 586 if (chip->irq >= 0) 587 free_irq(chip->irq, (void *) chip); 588 if (chip->dma8 >= 0) { 589 disable_dma(chip->dma8); 590 free_dma(chip->dma8); 591 } 592 return 0; 593 } 594 595 static int snd_es1688_dev_free(struct snd_device *device) 596 { 597 struct snd_es1688 *chip = device->device_data; 598 return snd_es1688_free(chip); 599 } 600 601 static const char *snd_es1688_chip_id(struct snd_es1688 *chip) 602 { 603 static char tmp[16]; 604 sprintf(tmp, "ES%s688 rev %i", chip->hardware == ES1688_HW_688 ? "" : "1", chip->version & 0x0f); 605 return tmp; 606 } 607 608 int snd_es1688_create(struct snd_card *card, 609 struct snd_es1688 *chip, 610 unsigned long port, 611 unsigned long mpu_port, 612 int irq, 613 int mpu_irq, 614 int dma8, 615 unsigned short hardware) 616 { 617 static const struct snd_device_ops ops = { 618 .dev_free = snd_es1688_dev_free, 619 }; 620 621 int err; 622 623 if (chip == NULL) 624 return -ENOMEM; 625 chip->card = card; 626 chip->irq = -1; 627 chip->dma8 = -1; 628 chip->hardware = ES1688_HW_UNDEF; 629 630 chip->res_port = request_region(port + 4, 12, "ES1688"); 631 if (chip->res_port == NULL) { 632 dev_err(card->dev, "es1688: can't grab port 0x%lx\n", port + 4); 633 err = -EBUSY; 634 goto exit; 635 } 636 637 err = request_irq(irq, snd_es1688_interrupt, 0, "ES1688", (void *) chip); 638 if (err < 0) { 639 dev_err(card->dev, "es1688: can't grab IRQ %d\n", irq); 640 goto exit; 641 } 642 643 chip->irq = irq; 644 card->sync_irq = chip->irq; 645 err = request_dma(dma8, "ES1688"); 646 647 if (err < 0) { 648 dev_err(card->dev, "es1688: can't grab DMA8 %d\n", dma8); 649 goto exit; 650 } 651 chip->dma8 = dma8; 652 653 spin_lock_init(&chip->reg_lock); 654 spin_lock_init(&chip->mixer_lock); 655 chip->port = port; 656 mpu_port &= ~0x000f; 657 if (mpu_port < 0x300 || mpu_port > 0x330) 658 mpu_port = 0; 659 chip->mpu_port = mpu_port; 660 chip->mpu_irq = mpu_irq; 661 chip->hardware = hardware; 662 663 err = snd_es1688_probe(chip); 664 if (err < 0) 665 goto exit; 666 667 err = snd_es1688_init(chip, 1); 668 if (err < 0) 669 goto exit; 670 671 /* Register device */ 672 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); 673 exit: 674 if (err) 675 snd_es1688_free(chip); 676 return err; 677 } 678 679 static const struct snd_pcm_ops snd_es1688_playback_ops = { 680 .open = snd_es1688_playback_open, 681 .close = snd_es1688_playback_close, 682 .prepare = snd_es1688_playback_prepare, 683 .trigger = snd_es1688_playback_trigger, 684 .pointer = snd_es1688_playback_pointer, 685 }; 686 687 static const struct snd_pcm_ops snd_es1688_capture_ops = { 688 .open = snd_es1688_capture_open, 689 .close = snd_es1688_capture_close, 690 .prepare = snd_es1688_capture_prepare, 691 .trigger = snd_es1688_capture_trigger, 692 .pointer = snd_es1688_capture_pointer, 693 }; 694 695 int snd_es1688_pcm(struct snd_card *card, struct snd_es1688 *chip, int device) 696 { 697 struct snd_pcm *pcm; 698 int err; 699 700 err = snd_pcm_new(card, "ESx688", device, 1, 1, &pcm); 701 if (err < 0) 702 return err; 703 704 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es1688_playback_ops); 705 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es1688_capture_ops); 706 707 pcm->private_data = chip; 708 pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX; 709 strcpy(pcm->name, snd_es1688_chip_id(chip)); 710 chip->pcm = pcm; 711 712 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, card->dev, 713 64*1024, 64*1024); 714 return 0; 715 } 716 717 /* 718 * MIXER part 719 */ 720 721 static int snd_es1688_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 722 { 723 static const char * const texts[8] = { 724 "Mic", "Mic Master", "CD", "AOUT", 725 "Mic1", "Mix", "Line", "Master" 726 }; 727 728 return snd_ctl_enum_info(uinfo, 1, 8, texts); 729 } 730 731 static int snd_es1688_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 732 { 733 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 734 ucontrol->value.enumerated.item[0] = snd_es1688_mixer_read(chip, ES1688_REC_DEV) & 7; 735 return 0; 736 } 737 738 static int snd_es1688_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 739 { 740 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 741 unsigned long flags; 742 unsigned char oval, nval; 743 int change; 744 745 if (ucontrol->value.enumerated.item[0] > 8) 746 return -EINVAL; 747 spin_lock_irqsave(&chip->reg_lock, flags); 748 oval = snd_es1688_mixer_read(chip, ES1688_REC_DEV); 749 nval = (ucontrol->value.enumerated.item[0] & 7) | (oval & ~15); 750 change = nval != oval; 751 if (change) 752 snd_es1688_mixer_write(chip, ES1688_REC_DEV, nval); 753 spin_unlock_irqrestore(&chip->reg_lock, flags); 754 return change; 755 } 756 757 #define ES1688_SINGLE(xname, xindex, reg, shift, mask, invert) \ 758 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 759 .info = snd_es1688_info_single, \ 760 .get = snd_es1688_get_single, .put = snd_es1688_put_single, \ 761 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } 762 763 static int snd_es1688_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 764 { 765 int mask = (kcontrol->private_value >> 16) & 0xff; 766 767 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 768 uinfo->count = 1; 769 uinfo->value.integer.min = 0; 770 uinfo->value.integer.max = mask; 771 return 0; 772 } 773 774 static int snd_es1688_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 775 { 776 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 777 unsigned long flags; 778 int reg = kcontrol->private_value & 0xff; 779 int shift = (kcontrol->private_value >> 8) & 0xff; 780 int mask = (kcontrol->private_value >> 16) & 0xff; 781 int invert = (kcontrol->private_value >> 24) & 0xff; 782 783 spin_lock_irqsave(&chip->reg_lock, flags); 784 ucontrol->value.integer.value[0] = (snd_es1688_mixer_read(chip, reg) >> shift) & mask; 785 spin_unlock_irqrestore(&chip->reg_lock, flags); 786 if (invert) 787 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 788 return 0; 789 } 790 791 static int snd_es1688_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 792 { 793 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 794 unsigned long flags; 795 int reg = kcontrol->private_value & 0xff; 796 int shift = (kcontrol->private_value >> 8) & 0xff; 797 int mask = (kcontrol->private_value >> 16) & 0xff; 798 int invert = (kcontrol->private_value >> 24) & 0xff; 799 int change; 800 unsigned char oval, nval; 801 802 nval = (ucontrol->value.integer.value[0] & mask); 803 if (invert) 804 nval = mask - nval; 805 nval <<= shift; 806 spin_lock_irqsave(&chip->reg_lock, flags); 807 oval = snd_es1688_mixer_read(chip, reg); 808 nval = (oval & ~(mask << shift)) | nval; 809 change = nval != oval; 810 if (change) 811 snd_es1688_mixer_write(chip, reg, nval); 812 spin_unlock_irqrestore(&chip->reg_lock, flags); 813 return change; 814 } 815 816 #define ES1688_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ 817 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 818 .info = snd_es1688_info_double, \ 819 .get = snd_es1688_get_double, .put = snd_es1688_put_double, \ 820 .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) } 821 822 static int snd_es1688_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 823 { 824 int mask = (kcontrol->private_value >> 24) & 0xff; 825 826 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 827 uinfo->count = 2; 828 uinfo->value.integer.min = 0; 829 uinfo->value.integer.max = mask; 830 return 0; 831 } 832 833 static int snd_es1688_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 834 { 835 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 836 unsigned long flags; 837 int left_reg = kcontrol->private_value & 0xff; 838 int right_reg = (kcontrol->private_value >> 8) & 0xff; 839 int shift_left = (kcontrol->private_value >> 16) & 0x07; 840 int shift_right = (kcontrol->private_value >> 19) & 0x07; 841 int mask = (kcontrol->private_value >> 24) & 0xff; 842 int invert = (kcontrol->private_value >> 22) & 1; 843 unsigned char left, right; 844 845 spin_lock_irqsave(&chip->reg_lock, flags); 846 if (left_reg < 0xa0) 847 left = snd_es1688_mixer_read(chip, left_reg); 848 else 849 left = snd_es1688_read(chip, left_reg); 850 if (left_reg != right_reg) { 851 if (right_reg < 0xa0) 852 right = snd_es1688_mixer_read(chip, right_reg); 853 else 854 right = snd_es1688_read(chip, right_reg); 855 } else 856 right = left; 857 spin_unlock_irqrestore(&chip->reg_lock, flags); 858 ucontrol->value.integer.value[0] = (left >> shift_left) & mask; 859 ucontrol->value.integer.value[1] = (right >> shift_right) & mask; 860 if (invert) { 861 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 862 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 863 } 864 return 0; 865 } 866 867 static int snd_es1688_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 868 { 869 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 870 unsigned long flags; 871 int left_reg = kcontrol->private_value & 0xff; 872 int right_reg = (kcontrol->private_value >> 8) & 0xff; 873 int shift_left = (kcontrol->private_value >> 16) & 0x07; 874 int shift_right = (kcontrol->private_value >> 19) & 0x07; 875 int mask = (kcontrol->private_value >> 24) & 0xff; 876 int invert = (kcontrol->private_value >> 22) & 1; 877 int change; 878 unsigned char val1, val2, oval1, oval2; 879 880 val1 = ucontrol->value.integer.value[0] & mask; 881 val2 = ucontrol->value.integer.value[1] & mask; 882 if (invert) { 883 val1 = mask - val1; 884 val2 = mask - val2; 885 } 886 val1 <<= shift_left; 887 val2 <<= shift_right; 888 spin_lock_irqsave(&chip->reg_lock, flags); 889 if (left_reg != right_reg) { 890 if (left_reg < 0xa0) 891 oval1 = snd_es1688_mixer_read(chip, left_reg); 892 else 893 oval1 = snd_es1688_read(chip, left_reg); 894 if (right_reg < 0xa0) 895 oval2 = snd_es1688_mixer_read(chip, right_reg); 896 else 897 oval2 = snd_es1688_read(chip, right_reg); 898 val1 = (oval1 & ~(mask << shift_left)) | val1; 899 val2 = (oval2 & ~(mask << shift_right)) | val2; 900 change = val1 != oval1 || val2 != oval2; 901 if (change) { 902 if (left_reg < 0xa0) 903 snd_es1688_mixer_write(chip, left_reg, val1); 904 else 905 snd_es1688_write(chip, left_reg, val1); 906 if (right_reg < 0xa0) 907 snd_es1688_mixer_write(chip, right_reg, val1); 908 else 909 snd_es1688_write(chip, right_reg, val1); 910 } 911 } else { 912 if (left_reg < 0xa0) 913 oval1 = snd_es1688_mixer_read(chip, left_reg); 914 else 915 oval1 = snd_es1688_read(chip, left_reg); 916 val1 = (oval1 & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2; 917 change = val1 != oval1; 918 if (change) { 919 if (left_reg < 0xa0) 920 snd_es1688_mixer_write(chip, left_reg, val1); 921 else 922 snd_es1688_write(chip, left_reg, val1); 923 } 924 925 } 926 spin_unlock_irqrestore(&chip->reg_lock, flags); 927 return change; 928 } 929 930 static const struct snd_kcontrol_new snd_es1688_controls[] = { 931 ES1688_DOUBLE("Master Playback Volume", 0, ES1688_MASTER_DEV, ES1688_MASTER_DEV, 4, 0, 15, 0), 932 ES1688_DOUBLE("PCM Playback Volume", 0, ES1688_PCM_DEV, ES1688_PCM_DEV, 4, 0, 15, 0), 933 ES1688_DOUBLE("Line Playback Volume", 0, ES1688_LINE_DEV, ES1688_LINE_DEV, 4, 0, 15, 0), 934 ES1688_DOUBLE("CD Playback Volume", 0, ES1688_CD_DEV, ES1688_CD_DEV, 4, 0, 15, 0), 935 ES1688_DOUBLE("FM Playback Volume", 0, ES1688_FM_DEV, ES1688_FM_DEV, 4, 0, 15, 0), 936 ES1688_DOUBLE("Mic Playback Volume", 0, ES1688_MIC_DEV, ES1688_MIC_DEV, 4, 0, 15, 0), 937 ES1688_DOUBLE("Aux Playback Volume", 0, ES1688_AUX_DEV, ES1688_AUX_DEV, 4, 0, 15, 0), 938 ES1688_SINGLE("Beep Playback Volume", 0, ES1688_SPEAKER_DEV, 0, 7, 0), 939 ES1688_DOUBLE("Capture Volume", 0, ES1688_RECLEV_DEV, ES1688_RECLEV_DEV, 4, 0, 15, 0), 940 ES1688_SINGLE("Capture Switch", 0, ES1688_REC_DEV, 4, 1, 1), 941 { 942 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 943 .name = "Capture Source", 944 .info = snd_es1688_info_mux, 945 .get = snd_es1688_get_mux, 946 .put = snd_es1688_put_mux, 947 }, 948 }; 949 950 #define ES1688_INIT_TABLE_SIZE (sizeof(snd_es1688_init_table)/2) 951 952 static const unsigned char snd_es1688_init_table[][2] = { 953 { ES1688_MASTER_DEV, 0 }, 954 { ES1688_PCM_DEV, 0 }, 955 { ES1688_LINE_DEV, 0 }, 956 { ES1688_CD_DEV, 0 }, 957 { ES1688_FM_DEV, 0 }, 958 { ES1688_MIC_DEV, 0 }, 959 { ES1688_AUX_DEV, 0 }, 960 { ES1688_SPEAKER_DEV, 0 }, 961 { ES1688_RECLEV_DEV, 0 }, 962 { ES1688_REC_DEV, 0x17 } 963 }; 964 965 int snd_es1688_mixer(struct snd_card *card, struct snd_es1688 *chip) 966 { 967 unsigned int idx; 968 int err; 969 unsigned char reg, val; 970 971 if (snd_BUG_ON(!chip || !card)) 972 return -EINVAL; 973 974 strcpy(card->mixername, snd_es1688_chip_id(chip)); 975 976 for (idx = 0; idx < ARRAY_SIZE(snd_es1688_controls); idx++) { 977 err = snd_ctl_add(card, snd_ctl_new1(&snd_es1688_controls[idx], chip)); 978 if (err < 0) 979 return err; 980 } 981 for (idx = 0; idx < ES1688_INIT_TABLE_SIZE; idx++) { 982 reg = snd_es1688_init_table[idx][0]; 983 val = snd_es1688_init_table[idx][1]; 984 if (reg < 0xa0) 985 snd_es1688_mixer_write(chip, reg, val); 986 else 987 snd_es1688_write(chip, reg, val); 988 } 989 return 0; 990 } 991 992 EXPORT_SYMBOL(snd_es1688_mixer_write); 993 EXPORT_SYMBOL(snd_es1688_create); 994 EXPORT_SYMBOL(snd_es1688_pcm); 995 EXPORT_SYMBOL(snd_es1688_mixer); 996