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