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 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_ioctl(struct snd_pcm_substream *substream, 313 unsigned int cmd, void *arg) 314 { 315 return snd_pcm_lib_ioctl(substream, cmd, arg); 316 } 317 318 static int snd_es1688_trigger(struct snd_es1688 *chip, int cmd, unsigned char value) 319 { 320 int val; 321 322 if (cmd == SNDRV_PCM_TRIGGER_STOP) { 323 value = 0x00; 324 } else if (cmd != SNDRV_PCM_TRIGGER_START) { 325 return -EINVAL; 326 } 327 spin_lock(&chip->reg_lock); 328 chip->trigger_value = value; 329 val = snd_es1688_read(chip, 0xb8); 330 if ((val < 0) || (val & 0x0f) == value) { 331 spin_unlock(&chip->reg_lock); 332 return -EINVAL; /* something is wrong */ 333 } 334 #if 0 335 printk(KERN_DEBUG "trigger: val = 0x%x, value = 0x%x\n", val, value); 336 printk(KERN_DEBUG "trigger: pointer = 0x%x\n", 337 snd_dma_pointer(chip->dma8, chip->dma_size)); 338 #endif 339 snd_es1688_write(chip, 0xb8, (val & 0xf0) | value); 340 spin_unlock(&chip->reg_lock); 341 return 0; 342 } 343 344 static int snd_es1688_playback_prepare(struct snd_pcm_substream *substream) 345 { 346 unsigned long flags; 347 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 348 struct snd_pcm_runtime *runtime = substream->runtime; 349 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 350 unsigned int count = snd_pcm_lib_period_bytes(substream); 351 352 chip->dma_size = size; 353 spin_lock_irqsave(&chip->reg_lock, flags); 354 snd_es1688_reset(chip); 355 snd_es1688_set_rate(chip, substream); 356 snd_es1688_write(chip, 0xb8, 4); /* auto init DMA mode */ 357 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels)); 358 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */ 359 if (runtime->channels == 1) { 360 if (snd_pcm_format_width(runtime->format) == 8) { 361 /* 8. bit mono */ 362 snd_es1688_write(chip, 0xb6, 0x80); 363 snd_es1688_write(chip, 0xb7, 0x51); 364 snd_es1688_write(chip, 0xb7, 0xd0); 365 } else { 366 /* 16. bit mono */ 367 snd_es1688_write(chip, 0xb6, 0x00); 368 snd_es1688_write(chip, 0xb7, 0x71); 369 snd_es1688_write(chip, 0xb7, 0xf4); 370 } 371 } else { 372 if (snd_pcm_format_width(runtime->format) == 8) { 373 /* 8. bit stereo */ 374 snd_es1688_write(chip, 0xb6, 0x80); 375 snd_es1688_write(chip, 0xb7, 0x51); 376 snd_es1688_write(chip, 0xb7, 0x98); 377 } else { 378 /* 16. bit stereo */ 379 snd_es1688_write(chip, 0xb6, 0x00); 380 snd_es1688_write(chip, 0xb7, 0x71); 381 snd_es1688_write(chip, 0xb7, 0xbc); 382 } 383 } 384 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50); 385 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50); 386 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKON); 387 spin_unlock_irqrestore(&chip->reg_lock, flags); 388 /* --- */ 389 count = -count; 390 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT); 391 spin_lock_irqsave(&chip->reg_lock, flags); 392 snd_es1688_write(chip, 0xa4, (unsigned char) count); 393 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8)); 394 spin_unlock_irqrestore(&chip->reg_lock, flags); 395 return 0; 396 } 397 398 static int snd_es1688_playback_trigger(struct snd_pcm_substream *substream, 399 int cmd) 400 { 401 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 402 return snd_es1688_trigger(chip, cmd, 0x05); 403 } 404 405 static int snd_es1688_capture_prepare(struct snd_pcm_substream *substream) 406 { 407 unsigned long flags; 408 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 409 struct snd_pcm_runtime *runtime = substream->runtime; 410 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 411 unsigned int count = snd_pcm_lib_period_bytes(substream); 412 413 chip->dma_size = size; 414 spin_lock_irqsave(&chip->reg_lock, flags); 415 snd_es1688_reset(chip); 416 snd_es1688_set_rate(chip, substream); 417 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKOFF); 418 snd_es1688_write(chip, 0xb8, 0x0e); /* auto init DMA mode */ 419 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels)); 420 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */ 421 if (runtime->channels == 1) { 422 if (snd_pcm_format_width(runtime->format) == 8) { 423 /* 8. bit mono */ 424 snd_es1688_write(chip, 0xb7, 0x51); 425 snd_es1688_write(chip, 0xb7, 0xd0); 426 } else { 427 /* 16. bit mono */ 428 snd_es1688_write(chip, 0xb7, 0x71); 429 snd_es1688_write(chip, 0xb7, 0xf4); 430 } 431 } else { 432 if (snd_pcm_format_width(runtime->format) == 8) { 433 /* 8. bit stereo */ 434 snd_es1688_write(chip, 0xb7, 0x51); 435 snd_es1688_write(chip, 0xb7, 0x98); 436 } else { 437 /* 16. bit stereo */ 438 snd_es1688_write(chip, 0xb7, 0x71); 439 snd_es1688_write(chip, 0xb7, 0xbc); 440 } 441 } 442 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50); 443 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50); 444 spin_unlock_irqrestore(&chip->reg_lock, flags); 445 /* --- */ 446 count = -count; 447 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT); 448 spin_lock_irqsave(&chip->reg_lock, flags); 449 snd_es1688_write(chip, 0xa4, (unsigned char) count); 450 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8)); 451 spin_unlock_irqrestore(&chip->reg_lock, flags); 452 return 0; 453 } 454 455 static int snd_es1688_capture_trigger(struct snd_pcm_substream *substream, 456 int cmd) 457 { 458 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 459 return snd_es1688_trigger(chip, cmd, 0x0f); 460 } 461 462 static irqreturn_t snd_es1688_interrupt(int irq, void *dev_id) 463 { 464 struct snd_es1688 *chip = dev_id; 465 466 if (chip->trigger_value == 0x05) /* ok.. playback is active */ 467 snd_pcm_period_elapsed(chip->playback_substream); 468 if (chip->trigger_value == 0x0f) /* ok.. capture is active */ 469 snd_pcm_period_elapsed(chip->capture_substream); 470 471 inb(ES1688P(chip, DATA_AVAIL)); /* ack interrupt */ 472 return IRQ_HANDLED; 473 } 474 475 static snd_pcm_uframes_t snd_es1688_playback_pointer(struct snd_pcm_substream *substream) 476 { 477 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 478 size_t ptr; 479 480 if (chip->trigger_value != 0x05) 481 return 0; 482 ptr = snd_dma_pointer(chip->dma8, chip->dma_size); 483 return bytes_to_frames(substream->runtime, ptr); 484 } 485 486 static snd_pcm_uframes_t snd_es1688_capture_pointer(struct snd_pcm_substream *substream) 487 { 488 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 489 size_t ptr; 490 491 if (chip->trigger_value != 0x0f) 492 return 0; 493 ptr = snd_dma_pointer(chip->dma8, chip->dma_size); 494 return bytes_to_frames(substream->runtime, ptr); 495 } 496 497 /* 498 499 */ 500 501 static const struct snd_pcm_hardware snd_es1688_playback = 502 { 503 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 504 SNDRV_PCM_INFO_MMAP_VALID), 505 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 506 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 507 .rate_min = 4000, 508 .rate_max = 48000, 509 .channels_min = 1, 510 .channels_max = 2, 511 .buffer_bytes_max = 65536, 512 .period_bytes_min = 64, 513 .period_bytes_max = 65536, 514 .periods_min = 1, 515 .periods_max = 1024, 516 .fifo_size = 0, 517 }; 518 519 static const struct snd_pcm_hardware snd_es1688_capture = 520 { 521 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 522 SNDRV_PCM_INFO_MMAP_VALID), 523 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 524 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 525 .rate_min = 4000, 526 .rate_max = 48000, 527 .channels_min = 1, 528 .channels_max = 2, 529 .buffer_bytes_max = 65536, 530 .period_bytes_min = 64, 531 .period_bytes_max = 65536, 532 .periods_min = 1, 533 .periods_max = 1024, 534 .fifo_size = 0, 535 }; 536 537 /* 538 539 */ 540 541 static int snd_es1688_playback_open(struct snd_pcm_substream *substream) 542 { 543 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 544 struct snd_pcm_runtime *runtime = substream->runtime; 545 546 if (chip->capture_substream != NULL) 547 return -EAGAIN; 548 chip->playback_substream = substream; 549 runtime->hw = snd_es1688_playback; 550 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 551 &hw_constraints_clocks); 552 return 0; 553 } 554 555 static int snd_es1688_capture_open(struct snd_pcm_substream *substream) 556 { 557 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 558 struct snd_pcm_runtime *runtime = substream->runtime; 559 560 if (chip->playback_substream != NULL) 561 return -EAGAIN; 562 chip->capture_substream = substream; 563 runtime->hw = snd_es1688_capture; 564 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 565 &hw_constraints_clocks); 566 return 0; 567 } 568 569 static int snd_es1688_playback_close(struct snd_pcm_substream *substream) 570 { 571 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 572 573 chip->playback_substream = NULL; 574 return 0; 575 } 576 577 static int snd_es1688_capture_close(struct snd_pcm_substream *substream) 578 { 579 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 580 581 chip->capture_substream = NULL; 582 return 0; 583 } 584 585 static int snd_es1688_free(struct snd_es1688 *chip) 586 { 587 if (chip->hardware != ES1688_HW_UNDEF) 588 snd_es1688_init(chip, 0); 589 release_and_free_resource(chip->res_port); 590 if (chip->irq >= 0) 591 free_irq(chip->irq, (void *) chip); 592 if (chip->dma8 >= 0) { 593 disable_dma(chip->dma8); 594 free_dma(chip->dma8); 595 } 596 return 0; 597 } 598 599 static int snd_es1688_dev_free(struct snd_device *device) 600 { 601 struct snd_es1688 *chip = device->device_data; 602 return snd_es1688_free(chip); 603 } 604 605 static const char *snd_es1688_chip_id(struct snd_es1688 *chip) 606 { 607 static char tmp[16]; 608 sprintf(tmp, "ES%s688 rev %i", chip->hardware == ES1688_HW_688 ? "" : "1", chip->version & 0x0f); 609 return tmp; 610 } 611 612 int snd_es1688_create(struct snd_card *card, 613 struct snd_es1688 *chip, 614 unsigned long port, 615 unsigned long mpu_port, 616 int irq, 617 int mpu_irq, 618 int dma8, 619 unsigned short hardware) 620 { 621 static struct snd_device_ops ops = { 622 .dev_free = snd_es1688_dev_free, 623 }; 624 625 int err; 626 627 if (chip == NULL) 628 return -ENOMEM; 629 chip->irq = -1; 630 chip->dma8 = -1; 631 chip->hardware = ES1688_HW_UNDEF; 632 633 chip->res_port = request_region(port + 4, 12, "ES1688"); 634 if (chip->res_port == NULL) { 635 snd_printk(KERN_ERR "es1688: can't grab port 0x%lx\n", port + 4); 636 err = -EBUSY; 637 goto exit; 638 } 639 640 err = request_irq(irq, snd_es1688_interrupt, 0, "ES1688", (void *) chip); 641 if (err < 0) { 642 snd_printk(KERN_ERR "es1688: can't grab IRQ %d\n", irq); 643 goto exit; 644 } 645 646 chip->irq = irq; 647 err = request_dma(dma8, "ES1688"); 648 649 if (err < 0) { 650 snd_printk(KERN_ERR "es1688: can't grab DMA8 %d\n", dma8); 651 goto exit; 652 } 653 chip->dma8 = dma8; 654 655 spin_lock_init(&chip->reg_lock); 656 spin_lock_init(&chip->mixer_lock); 657 chip->port = port; 658 mpu_port &= ~0x000f; 659 if (mpu_port < 0x300 || mpu_port > 0x330) 660 mpu_port = 0; 661 chip->mpu_port = mpu_port; 662 chip->mpu_irq = mpu_irq; 663 chip->hardware = hardware; 664 665 err = snd_es1688_probe(chip); 666 if (err < 0) 667 goto exit; 668 669 err = snd_es1688_init(chip, 1); 670 if (err < 0) 671 goto exit; 672 673 /* Register device */ 674 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); 675 exit: 676 if (err) 677 snd_es1688_free(chip); 678 return err; 679 } 680 681 static const struct snd_pcm_ops snd_es1688_playback_ops = { 682 .open = snd_es1688_playback_open, 683 .close = snd_es1688_playback_close, 684 .ioctl = snd_es1688_ioctl, 685 .prepare = snd_es1688_playback_prepare, 686 .trigger = snd_es1688_playback_trigger, 687 .pointer = snd_es1688_playback_pointer, 688 }; 689 690 static const struct snd_pcm_ops snd_es1688_capture_ops = { 691 .open = snd_es1688_capture_open, 692 .close = snd_es1688_capture_close, 693 .ioctl = snd_es1688_ioctl, 694 .prepare = snd_es1688_capture_prepare, 695 .trigger = snd_es1688_capture_trigger, 696 .pointer = snd_es1688_capture_pointer, 697 }; 698 699 int snd_es1688_pcm(struct snd_card *card, struct snd_es1688 *chip, int device) 700 { 701 struct snd_pcm *pcm; 702 int err; 703 704 err = snd_pcm_new(card, "ESx688", device, 1, 1, &pcm); 705 if (err < 0) 706 return err; 707 708 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es1688_playback_ops); 709 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es1688_capture_ops); 710 711 pcm->private_data = chip; 712 pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX; 713 strcpy(pcm->name, snd_es1688_chip_id(chip)); 714 chip->pcm = pcm; 715 716 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, card->dev, 717 64*1024, 64*1024); 718 return 0; 719 } 720 721 /* 722 * MIXER part 723 */ 724 725 static int snd_es1688_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 726 { 727 static const char * const texts[8] = { 728 "Mic", "Mic Master", "CD", "AOUT", 729 "Mic1", "Mix", "Line", "Master" 730 }; 731 732 return snd_ctl_enum_info(uinfo, 1, 8, texts); 733 } 734 735 static int snd_es1688_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 736 { 737 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 738 ucontrol->value.enumerated.item[0] = snd_es1688_mixer_read(chip, ES1688_REC_DEV) & 7; 739 return 0; 740 } 741 742 static int snd_es1688_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 743 { 744 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 745 unsigned long flags; 746 unsigned char oval, nval; 747 int change; 748 749 if (ucontrol->value.enumerated.item[0] > 8) 750 return -EINVAL; 751 spin_lock_irqsave(&chip->reg_lock, flags); 752 oval = snd_es1688_mixer_read(chip, ES1688_REC_DEV); 753 nval = (ucontrol->value.enumerated.item[0] & 7) | (oval & ~15); 754 change = nval != oval; 755 if (change) 756 snd_es1688_mixer_write(chip, ES1688_REC_DEV, nval); 757 spin_unlock_irqrestore(&chip->reg_lock, flags); 758 return change; 759 } 760 761 #define ES1688_SINGLE(xname, xindex, reg, shift, mask, invert) \ 762 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 763 .info = snd_es1688_info_single, \ 764 .get = snd_es1688_get_single, .put = snd_es1688_put_single, \ 765 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } 766 767 static int snd_es1688_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 768 { 769 int mask = (kcontrol->private_value >> 16) & 0xff; 770 771 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 772 uinfo->count = 1; 773 uinfo->value.integer.min = 0; 774 uinfo->value.integer.max = mask; 775 return 0; 776 } 777 778 static int snd_es1688_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 779 { 780 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 781 unsigned long flags; 782 int reg = kcontrol->private_value & 0xff; 783 int shift = (kcontrol->private_value >> 8) & 0xff; 784 int mask = (kcontrol->private_value >> 16) & 0xff; 785 int invert = (kcontrol->private_value >> 24) & 0xff; 786 787 spin_lock_irqsave(&chip->reg_lock, flags); 788 ucontrol->value.integer.value[0] = (snd_es1688_mixer_read(chip, reg) >> shift) & mask; 789 spin_unlock_irqrestore(&chip->reg_lock, flags); 790 if (invert) 791 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 792 return 0; 793 } 794 795 static int snd_es1688_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 796 { 797 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 798 unsigned long flags; 799 int reg = kcontrol->private_value & 0xff; 800 int shift = (kcontrol->private_value >> 8) & 0xff; 801 int mask = (kcontrol->private_value >> 16) & 0xff; 802 int invert = (kcontrol->private_value >> 24) & 0xff; 803 int change; 804 unsigned char oval, nval; 805 806 nval = (ucontrol->value.integer.value[0] & mask); 807 if (invert) 808 nval = mask - nval; 809 nval <<= shift; 810 spin_lock_irqsave(&chip->reg_lock, flags); 811 oval = snd_es1688_mixer_read(chip, reg); 812 nval = (oval & ~(mask << shift)) | nval; 813 change = nval != oval; 814 if (change) 815 snd_es1688_mixer_write(chip, reg, nval); 816 spin_unlock_irqrestore(&chip->reg_lock, flags); 817 return change; 818 } 819 820 #define ES1688_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ 821 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 822 .info = snd_es1688_info_double, \ 823 .get = snd_es1688_get_double, .put = snd_es1688_put_double, \ 824 .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) } 825 826 static int snd_es1688_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 827 { 828 int mask = (kcontrol->private_value >> 24) & 0xff; 829 830 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 831 uinfo->count = 2; 832 uinfo->value.integer.min = 0; 833 uinfo->value.integer.max = mask; 834 return 0; 835 } 836 837 static int snd_es1688_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 838 { 839 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 840 unsigned long flags; 841 int left_reg = kcontrol->private_value & 0xff; 842 int right_reg = (kcontrol->private_value >> 8) & 0xff; 843 int shift_left = (kcontrol->private_value >> 16) & 0x07; 844 int shift_right = (kcontrol->private_value >> 19) & 0x07; 845 int mask = (kcontrol->private_value >> 24) & 0xff; 846 int invert = (kcontrol->private_value >> 22) & 1; 847 unsigned char left, right; 848 849 spin_lock_irqsave(&chip->reg_lock, flags); 850 if (left_reg < 0xa0) 851 left = snd_es1688_mixer_read(chip, left_reg); 852 else 853 left = snd_es1688_read(chip, left_reg); 854 if (left_reg != right_reg) { 855 if (right_reg < 0xa0) 856 right = snd_es1688_mixer_read(chip, right_reg); 857 else 858 right = snd_es1688_read(chip, right_reg); 859 } else 860 right = left; 861 spin_unlock_irqrestore(&chip->reg_lock, flags); 862 ucontrol->value.integer.value[0] = (left >> shift_left) & mask; 863 ucontrol->value.integer.value[1] = (right >> shift_right) & mask; 864 if (invert) { 865 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 866 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 867 } 868 return 0; 869 } 870 871 static int snd_es1688_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 872 { 873 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 874 unsigned long flags; 875 int left_reg = kcontrol->private_value & 0xff; 876 int right_reg = (kcontrol->private_value >> 8) & 0xff; 877 int shift_left = (kcontrol->private_value >> 16) & 0x07; 878 int shift_right = (kcontrol->private_value >> 19) & 0x07; 879 int mask = (kcontrol->private_value >> 24) & 0xff; 880 int invert = (kcontrol->private_value >> 22) & 1; 881 int change; 882 unsigned char val1, val2, oval1, oval2; 883 884 val1 = ucontrol->value.integer.value[0] & mask; 885 val2 = ucontrol->value.integer.value[1] & mask; 886 if (invert) { 887 val1 = mask - val1; 888 val2 = mask - val2; 889 } 890 val1 <<= shift_left; 891 val2 <<= shift_right; 892 spin_lock_irqsave(&chip->reg_lock, flags); 893 if (left_reg != right_reg) { 894 if (left_reg < 0xa0) 895 oval1 = snd_es1688_mixer_read(chip, left_reg); 896 else 897 oval1 = snd_es1688_read(chip, left_reg); 898 if (right_reg < 0xa0) 899 oval2 = snd_es1688_mixer_read(chip, right_reg); 900 else 901 oval2 = snd_es1688_read(chip, right_reg); 902 val1 = (oval1 & ~(mask << shift_left)) | val1; 903 val2 = (oval2 & ~(mask << shift_right)) | val2; 904 change = val1 != oval1 || val2 != oval2; 905 if (change) { 906 if (left_reg < 0xa0) 907 snd_es1688_mixer_write(chip, left_reg, val1); 908 else 909 snd_es1688_write(chip, left_reg, val1); 910 if (right_reg < 0xa0) 911 snd_es1688_mixer_write(chip, right_reg, val1); 912 else 913 snd_es1688_write(chip, right_reg, val1); 914 } 915 } else { 916 if (left_reg < 0xa0) 917 oval1 = snd_es1688_mixer_read(chip, left_reg); 918 else 919 oval1 = snd_es1688_read(chip, left_reg); 920 val1 = (oval1 & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2; 921 change = val1 != oval1; 922 if (change) { 923 if (left_reg < 0xa0) 924 snd_es1688_mixer_write(chip, left_reg, val1); 925 else 926 snd_es1688_write(chip, left_reg, val1); 927 } 928 929 } 930 spin_unlock_irqrestore(&chip->reg_lock, flags); 931 return change; 932 } 933 934 static struct snd_kcontrol_new snd_es1688_controls[] = { 935 ES1688_DOUBLE("Master Playback Volume", 0, ES1688_MASTER_DEV, ES1688_MASTER_DEV, 4, 0, 15, 0), 936 ES1688_DOUBLE("PCM Playback Volume", 0, ES1688_PCM_DEV, ES1688_PCM_DEV, 4, 0, 15, 0), 937 ES1688_DOUBLE("Line Playback Volume", 0, ES1688_LINE_DEV, ES1688_LINE_DEV, 4, 0, 15, 0), 938 ES1688_DOUBLE("CD Playback Volume", 0, ES1688_CD_DEV, ES1688_CD_DEV, 4, 0, 15, 0), 939 ES1688_DOUBLE("FM Playback Volume", 0, ES1688_FM_DEV, ES1688_FM_DEV, 4, 0, 15, 0), 940 ES1688_DOUBLE("Mic Playback Volume", 0, ES1688_MIC_DEV, ES1688_MIC_DEV, 4, 0, 15, 0), 941 ES1688_DOUBLE("Aux Playback Volume", 0, ES1688_AUX_DEV, ES1688_AUX_DEV, 4, 0, 15, 0), 942 ES1688_SINGLE("Beep Playback Volume", 0, ES1688_SPEAKER_DEV, 0, 7, 0), 943 ES1688_DOUBLE("Capture Volume", 0, ES1688_RECLEV_DEV, ES1688_RECLEV_DEV, 4, 0, 15, 0), 944 ES1688_SINGLE("Capture Switch", 0, ES1688_REC_DEV, 4, 1, 1), 945 { 946 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 947 .name = "Capture Source", 948 .info = snd_es1688_info_mux, 949 .get = snd_es1688_get_mux, 950 .put = snd_es1688_put_mux, 951 }, 952 }; 953 954 #define ES1688_INIT_TABLE_SIZE (sizeof(snd_es1688_init_table)/2) 955 956 static unsigned char snd_es1688_init_table[][2] = { 957 { ES1688_MASTER_DEV, 0 }, 958 { ES1688_PCM_DEV, 0 }, 959 { ES1688_LINE_DEV, 0 }, 960 { ES1688_CD_DEV, 0 }, 961 { ES1688_FM_DEV, 0 }, 962 { ES1688_MIC_DEV, 0 }, 963 { ES1688_AUX_DEV, 0 }, 964 { ES1688_SPEAKER_DEV, 0 }, 965 { ES1688_RECLEV_DEV, 0 }, 966 { ES1688_REC_DEV, 0x17 } 967 }; 968 969 int snd_es1688_mixer(struct snd_card *card, struct snd_es1688 *chip) 970 { 971 unsigned int idx; 972 int err; 973 unsigned char reg, val; 974 975 if (snd_BUG_ON(!chip || !card)) 976 return -EINVAL; 977 978 strcpy(card->mixername, snd_es1688_chip_id(chip)); 979 980 for (idx = 0; idx < ARRAY_SIZE(snd_es1688_controls); idx++) { 981 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es1688_controls[idx], chip))) < 0) 982 return err; 983 } 984 for (idx = 0; idx < ES1688_INIT_TABLE_SIZE; idx++) { 985 reg = snd_es1688_init_table[idx][0]; 986 val = snd_es1688_init_table[idx][1]; 987 if (reg < 0xa0) 988 snd_es1688_mixer_write(chip, reg, val); 989 else 990 snd_es1688_write(chip, reg, val); 991 } 992 return 0; 993 } 994 995 EXPORT_SYMBOL(snd_es1688_mixer_write); 996 EXPORT_SYMBOL(snd_es1688_create); 997 EXPORT_SYMBOL(snd_es1688_pcm); 998 EXPORT_SYMBOL(snd_es1688_mixer); 999