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_hw_params(struct snd_pcm_substream *substream, 345 struct snd_pcm_hw_params *hw_params) 346 { 347 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 348 } 349 350 static int snd_es1688_hw_free(struct snd_pcm_substream *substream) 351 { 352 return snd_pcm_lib_free_pages(substream); 353 } 354 355 static int snd_es1688_playback_prepare(struct snd_pcm_substream *substream) 356 { 357 unsigned long flags; 358 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 359 struct snd_pcm_runtime *runtime = substream->runtime; 360 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 361 unsigned int count = snd_pcm_lib_period_bytes(substream); 362 363 chip->dma_size = size; 364 spin_lock_irqsave(&chip->reg_lock, flags); 365 snd_es1688_reset(chip); 366 snd_es1688_set_rate(chip, substream); 367 snd_es1688_write(chip, 0xb8, 4); /* auto init DMA mode */ 368 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels)); 369 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */ 370 if (runtime->channels == 1) { 371 if (snd_pcm_format_width(runtime->format) == 8) { 372 /* 8. bit mono */ 373 snd_es1688_write(chip, 0xb6, 0x80); 374 snd_es1688_write(chip, 0xb7, 0x51); 375 snd_es1688_write(chip, 0xb7, 0xd0); 376 } else { 377 /* 16. bit mono */ 378 snd_es1688_write(chip, 0xb6, 0x00); 379 snd_es1688_write(chip, 0xb7, 0x71); 380 snd_es1688_write(chip, 0xb7, 0xf4); 381 } 382 } else { 383 if (snd_pcm_format_width(runtime->format) == 8) { 384 /* 8. bit stereo */ 385 snd_es1688_write(chip, 0xb6, 0x80); 386 snd_es1688_write(chip, 0xb7, 0x51); 387 snd_es1688_write(chip, 0xb7, 0x98); 388 } else { 389 /* 16. bit stereo */ 390 snd_es1688_write(chip, 0xb6, 0x00); 391 snd_es1688_write(chip, 0xb7, 0x71); 392 snd_es1688_write(chip, 0xb7, 0xbc); 393 } 394 } 395 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50); 396 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50); 397 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKON); 398 spin_unlock_irqrestore(&chip->reg_lock, flags); 399 /* --- */ 400 count = -count; 401 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT); 402 spin_lock_irqsave(&chip->reg_lock, flags); 403 snd_es1688_write(chip, 0xa4, (unsigned char) count); 404 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8)); 405 spin_unlock_irqrestore(&chip->reg_lock, flags); 406 return 0; 407 } 408 409 static int snd_es1688_playback_trigger(struct snd_pcm_substream *substream, 410 int cmd) 411 { 412 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 413 return snd_es1688_trigger(chip, cmd, 0x05); 414 } 415 416 static int snd_es1688_capture_prepare(struct snd_pcm_substream *substream) 417 { 418 unsigned long flags; 419 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 420 struct snd_pcm_runtime *runtime = substream->runtime; 421 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 422 unsigned int count = snd_pcm_lib_period_bytes(substream); 423 424 chip->dma_size = size; 425 spin_lock_irqsave(&chip->reg_lock, flags); 426 snd_es1688_reset(chip); 427 snd_es1688_set_rate(chip, substream); 428 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKOFF); 429 snd_es1688_write(chip, 0xb8, 0x0e); /* auto init DMA mode */ 430 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels)); 431 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */ 432 if (runtime->channels == 1) { 433 if (snd_pcm_format_width(runtime->format) == 8) { 434 /* 8. bit mono */ 435 snd_es1688_write(chip, 0xb7, 0x51); 436 snd_es1688_write(chip, 0xb7, 0xd0); 437 } else { 438 /* 16. bit mono */ 439 snd_es1688_write(chip, 0xb7, 0x71); 440 snd_es1688_write(chip, 0xb7, 0xf4); 441 } 442 } else { 443 if (snd_pcm_format_width(runtime->format) == 8) { 444 /* 8. bit stereo */ 445 snd_es1688_write(chip, 0xb7, 0x51); 446 snd_es1688_write(chip, 0xb7, 0x98); 447 } else { 448 /* 16. bit stereo */ 449 snd_es1688_write(chip, 0xb7, 0x71); 450 snd_es1688_write(chip, 0xb7, 0xbc); 451 } 452 } 453 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50); 454 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50); 455 spin_unlock_irqrestore(&chip->reg_lock, flags); 456 /* --- */ 457 count = -count; 458 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT); 459 spin_lock_irqsave(&chip->reg_lock, flags); 460 snd_es1688_write(chip, 0xa4, (unsigned char) count); 461 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8)); 462 spin_unlock_irqrestore(&chip->reg_lock, flags); 463 return 0; 464 } 465 466 static int snd_es1688_capture_trigger(struct snd_pcm_substream *substream, 467 int cmd) 468 { 469 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 470 return snd_es1688_trigger(chip, cmd, 0x0f); 471 } 472 473 static irqreturn_t snd_es1688_interrupt(int irq, void *dev_id) 474 { 475 struct snd_es1688 *chip = dev_id; 476 477 if (chip->trigger_value == 0x05) /* ok.. playback is active */ 478 snd_pcm_period_elapsed(chip->playback_substream); 479 if (chip->trigger_value == 0x0f) /* ok.. capture is active */ 480 snd_pcm_period_elapsed(chip->capture_substream); 481 482 inb(ES1688P(chip, DATA_AVAIL)); /* ack interrupt */ 483 return IRQ_HANDLED; 484 } 485 486 static snd_pcm_uframes_t snd_es1688_playback_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 != 0x05) 492 return 0; 493 ptr = snd_dma_pointer(chip->dma8, chip->dma_size); 494 return bytes_to_frames(substream->runtime, ptr); 495 } 496 497 static snd_pcm_uframes_t snd_es1688_capture_pointer(struct snd_pcm_substream *substream) 498 { 499 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 500 size_t ptr; 501 502 if (chip->trigger_value != 0x0f) 503 return 0; 504 ptr = snd_dma_pointer(chip->dma8, chip->dma_size); 505 return bytes_to_frames(substream->runtime, ptr); 506 } 507 508 /* 509 510 */ 511 512 static const struct snd_pcm_hardware snd_es1688_playback = 513 { 514 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 515 SNDRV_PCM_INFO_MMAP_VALID), 516 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 517 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 518 .rate_min = 4000, 519 .rate_max = 48000, 520 .channels_min = 1, 521 .channels_max = 2, 522 .buffer_bytes_max = 65536, 523 .period_bytes_min = 64, 524 .period_bytes_max = 65536, 525 .periods_min = 1, 526 .periods_max = 1024, 527 .fifo_size = 0, 528 }; 529 530 static const struct snd_pcm_hardware snd_es1688_capture = 531 { 532 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 533 SNDRV_PCM_INFO_MMAP_VALID), 534 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 535 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 536 .rate_min = 4000, 537 .rate_max = 48000, 538 .channels_min = 1, 539 .channels_max = 2, 540 .buffer_bytes_max = 65536, 541 .period_bytes_min = 64, 542 .period_bytes_max = 65536, 543 .periods_min = 1, 544 .periods_max = 1024, 545 .fifo_size = 0, 546 }; 547 548 /* 549 550 */ 551 552 static int snd_es1688_playback_open(struct snd_pcm_substream *substream) 553 { 554 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 555 struct snd_pcm_runtime *runtime = substream->runtime; 556 557 if (chip->capture_substream != NULL) 558 return -EAGAIN; 559 chip->playback_substream = substream; 560 runtime->hw = snd_es1688_playback; 561 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 562 &hw_constraints_clocks); 563 return 0; 564 } 565 566 static int snd_es1688_capture_open(struct snd_pcm_substream *substream) 567 { 568 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 569 struct snd_pcm_runtime *runtime = substream->runtime; 570 571 if (chip->playback_substream != NULL) 572 return -EAGAIN; 573 chip->capture_substream = substream; 574 runtime->hw = snd_es1688_capture; 575 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 576 &hw_constraints_clocks); 577 return 0; 578 } 579 580 static int snd_es1688_playback_close(struct snd_pcm_substream *substream) 581 { 582 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 583 584 chip->playback_substream = NULL; 585 return 0; 586 } 587 588 static int snd_es1688_capture_close(struct snd_pcm_substream *substream) 589 { 590 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 591 592 chip->capture_substream = NULL; 593 return 0; 594 } 595 596 static int snd_es1688_free(struct snd_es1688 *chip) 597 { 598 if (chip->hardware != ES1688_HW_UNDEF) 599 snd_es1688_init(chip, 0); 600 release_and_free_resource(chip->res_port); 601 if (chip->irq >= 0) 602 free_irq(chip->irq, (void *) chip); 603 if (chip->dma8 >= 0) { 604 disable_dma(chip->dma8); 605 free_dma(chip->dma8); 606 } 607 return 0; 608 } 609 610 static int snd_es1688_dev_free(struct snd_device *device) 611 { 612 struct snd_es1688 *chip = device->device_data; 613 return snd_es1688_free(chip); 614 } 615 616 static const char *snd_es1688_chip_id(struct snd_es1688 *chip) 617 { 618 static char tmp[16]; 619 sprintf(tmp, "ES%s688 rev %i", chip->hardware == ES1688_HW_688 ? "" : "1", chip->version & 0x0f); 620 return tmp; 621 } 622 623 int snd_es1688_create(struct snd_card *card, 624 struct snd_es1688 *chip, 625 unsigned long port, 626 unsigned long mpu_port, 627 int irq, 628 int mpu_irq, 629 int dma8, 630 unsigned short hardware) 631 { 632 static struct snd_device_ops ops = { 633 .dev_free = snd_es1688_dev_free, 634 }; 635 636 int err; 637 638 if (chip == NULL) 639 return -ENOMEM; 640 chip->irq = -1; 641 chip->dma8 = -1; 642 chip->hardware = ES1688_HW_UNDEF; 643 644 chip->res_port = request_region(port + 4, 12, "ES1688"); 645 if (chip->res_port == NULL) { 646 snd_printk(KERN_ERR "es1688: can't grab port 0x%lx\n", port + 4); 647 err = -EBUSY; 648 goto exit; 649 } 650 651 err = request_irq(irq, snd_es1688_interrupt, 0, "ES1688", (void *) chip); 652 if (err < 0) { 653 snd_printk(KERN_ERR "es1688: can't grab IRQ %d\n", irq); 654 goto exit; 655 } 656 657 chip->irq = irq; 658 err = request_dma(dma8, "ES1688"); 659 660 if (err < 0) { 661 snd_printk(KERN_ERR "es1688: can't grab DMA8 %d\n", dma8); 662 goto exit; 663 } 664 chip->dma8 = dma8; 665 666 spin_lock_init(&chip->reg_lock); 667 spin_lock_init(&chip->mixer_lock); 668 chip->port = port; 669 mpu_port &= ~0x000f; 670 if (mpu_port < 0x300 || mpu_port > 0x330) 671 mpu_port = 0; 672 chip->mpu_port = mpu_port; 673 chip->mpu_irq = mpu_irq; 674 chip->hardware = hardware; 675 676 err = snd_es1688_probe(chip); 677 if (err < 0) 678 goto exit; 679 680 err = snd_es1688_init(chip, 1); 681 if (err < 0) 682 goto exit; 683 684 /* Register device */ 685 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); 686 exit: 687 if (err) 688 snd_es1688_free(chip); 689 return err; 690 } 691 692 static const struct snd_pcm_ops snd_es1688_playback_ops = { 693 .open = snd_es1688_playback_open, 694 .close = snd_es1688_playback_close, 695 .ioctl = snd_es1688_ioctl, 696 .hw_params = snd_es1688_hw_params, 697 .hw_free = snd_es1688_hw_free, 698 .prepare = snd_es1688_playback_prepare, 699 .trigger = snd_es1688_playback_trigger, 700 .pointer = snd_es1688_playback_pointer, 701 }; 702 703 static const struct snd_pcm_ops snd_es1688_capture_ops = { 704 .open = snd_es1688_capture_open, 705 .close = snd_es1688_capture_close, 706 .ioctl = snd_es1688_ioctl, 707 .hw_params = snd_es1688_hw_params, 708 .hw_free = snd_es1688_hw_free, 709 .prepare = snd_es1688_capture_prepare, 710 .trigger = snd_es1688_capture_trigger, 711 .pointer = snd_es1688_capture_pointer, 712 }; 713 714 int snd_es1688_pcm(struct snd_card *card, struct snd_es1688 *chip, int device) 715 { 716 struct snd_pcm *pcm; 717 int err; 718 719 err = snd_pcm_new(card, "ESx688", device, 1, 1, &pcm); 720 if (err < 0) 721 return err; 722 723 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es1688_playback_ops); 724 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es1688_capture_ops); 725 726 pcm->private_data = chip; 727 pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX; 728 strcpy(pcm->name, snd_es1688_chip_id(chip)); 729 chip->pcm = pcm; 730 731 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 732 card->dev, 733 64*1024, 64*1024); 734 return 0; 735 } 736 737 /* 738 * MIXER part 739 */ 740 741 static int snd_es1688_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 742 { 743 static const char * const texts[8] = { 744 "Mic", "Mic Master", "CD", "AOUT", 745 "Mic1", "Mix", "Line", "Master" 746 }; 747 748 return snd_ctl_enum_info(uinfo, 1, 8, texts); 749 } 750 751 static int snd_es1688_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 752 { 753 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 754 ucontrol->value.enumerated.item[0] = snd_es1688_mixer_read(chip, ES1688_REC_DEV) & 7; 755 return 0; 756 } 757 758 static int snd_es1688_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 759 { 760 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 761 unsigned long flags; 762 unsigned char oval, nval; 763 int change; 764 765 if (ucontrol->value.enumerated.item[0] > 8) 766 return -EINVAL; 767 spin_lock_irqsave(&chip->reg_lock, flags); 768 oval = snd_es1688_mixer_read(chip, ES1688_REC_DEV); 769 nval = (ucontrol->value.enumerated.item[0] & 7) | (oval & ~15); 770 change = nval != oval; 771 if (change) 772 snd_es1688_mixer_write(chip, ES1688_REC_DEV, nval); 773 spin_unlock_irqrestore(&chip->reg_lock, flags); 774 return change; 775 } 776 777 #define ES1688_SINGLE(xname, xindex, reg, shift, mask, invert) \ 778 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 779 .info = snd_es1688_info_single, \ 780 .get = snd_es1688_get_single, .put = snd_es1688_put_single, \ 781 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } 782 783 static int snd_es1688_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 784 { 785 int mask = (kcontrol->private_value >> 16) & 0xff; 786 787 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 788 uinfo->count = 1; 789 uinfo->value.integer.min = 0; 790 uinfo->value.integer.max = mask; 791 return 0; 792 } 793 794 static int snd_es1688_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 795 { 796 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 797 unsigned long flags; 798 int reg = kcontrol->private_value & 0xff; 799 int shift = (kcontrol->private_value >> 8) & 0xff; 800 int mask = (kcontrol->private_value >> 16) & 0xff; 801 int invert = (kcontrol->private_value >> 24) & 0xff; 802 803 spin_lock_irqsave(&chip->reg_lock, flags); 804 ucontrol->value.integer.value[0] = (snd_es1688_mixer_read(chip, reg) >> shift) & mask; 805 spin_unlock_irqrestore(&chip->reg_lock, flags); 806 if (invert) 807 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 808 return 0; 809 } 810 811 static int snd_es1688_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 812 { 813 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 814 unsigned long flags; 815 int reg = kcontrol->private_value & 0xff; 816 int shift = (kcontrol->private_value >> 8) & 0xff; 817 int mask = (kcontrol->private_value >> 16) & 0xff; 818 int invert = (kcontrol->private_value >> 24) & 0xff; 819 int change; 820 unsigned char oval, nval; 821 822 nval = (ucontrol->value.integer.value[0] & mask); 823 if (invert) 824 nval = mask - nval; 825 nval <<= shift; 826 spin_lock_irqsave(&chip->reg_lock, flags); 827 oval = snd_es1688_mixer_read(chip, reg); 828 nval = (oval & ~(mask << shift)) | nval; 829 change = nval != oval; 830 if (change) 831 snd_es1688_mixer_write(chip, reg, nval); 832 spin_unlock_irqrestore(&chip->reg_lock, flags); 833 return change; 834 } 835 836 #define ES1688_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ 837 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 838 .info = snd_es1688_info_double, \ 839 .get = snd_es1688_get_double, .put = snd_es1688_put_double, \ 840 .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) } 841 842 static int snd_es1688_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 843 { 844 int mask = (kcontrol->private_value >> 24) & 0xff; 845 846 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 847 uinfo->count = 2; 848 uinfo->value.integer.min = 0; 849 uinfo->value.integer.max = mask; 850 return 0; 851 } 852 853 static int snd_es1688_get_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 unsigned char left, right; 864 865 spin_lock_irqsave(&chip->reg_lock, flags); 866 if (left_reg < 0xa0) 867 left = snd_es1688_mixer_read(chip, left_reg); 868 else 869 left = snd_es1688_read(chip, left_reg); 870 if (left_reg != right_reg) { 871 if (right_reg < 0xa0) 872 right = snd_es1688_mixer_read(chip, right_reg); 873 else 874 right = snd_es1688_read(chip, right_reg); 875 } else 876 right = left; 877 spin_unlock_irqrestore(&chip->reg_lock, flags); 878 ucontrol->value.integer.value[0] = (left >> shift_left) & mask; 879 ucontrol->value.integer.value[1] = (right >> shift_right) & mask; 880 if (invert) { 881 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 882 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 883 } 884 return 0; 885 } 886 887 static int snd_es1688_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 888 { 889 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 890 unsigned long flags; 891 int left_reg = kcontrol->private_value & 0xff; 892 int right_reg = (kcontrol->private_value >> 8) & 0xff; 893 int shift_left = (kcontrol->private_value >> 16) & 0x07; 894 int shift_right = (kcontrol->private_value >> 19) & 0x07; 895 int mask = (kcontrol->private_value >> 24) & 0xff; 896 int invert = (kcontrol->private_value >> 22) & 1; 897 int change; 898 unsigned char val1, val2, oval1, oval2; 899 900 val1 = ucontrol->value.integer.value[0] & mask; 901 val2 = ucontrol->value.integer.value[1] & mask; 902 if (invert) { 903 val1 = mask - val1; 904 val2 = mask - val2; 905 } 906 val1 <<= shift_left; 907 val2 <<= shift_right; 908 spin_lock_irqsave(&chip->reg_lock, flags); 909 if (left_reg != right_reg) { 910 if (left_reg < 0xa0) 911 oval1 = snd_es1688_mixer_read(chip, left_reg); 912 else 913 oval1 = snd_es1688_read(chip, left_reg); 914 if (right_reg < 0xa0) 915 oval2 = snd_es1688_mixer_read(chip, right_reg); 916 else 917 oval2 = snd_es1688_read(chip, right_reg); 918 val1 = (oval1 & ~(mask << shift_left)) | val1; 919 val2 = (oval2 & ~(mask << shift_right)) | val2; 920 change = val1 != oval1 || val2 != oval2; 921 if (change) { 922 if (left_reg < 0xa0) 923 snd_es1688_mixer_write(chip, left_reg, val1); 924 else 925 snd_es1688_write(chip, left_reg, val1); 926 if (right_reg < 0xa0) 927 snd_es1688_mixer_write(chip, right_reg, val1); 928 else 929 snd_es1688_write(chip, right_reg, val1); 930 } 931 } else { 932 if (left_reg < 0xa0) 933 oval1 = snd_es1688_mixer_read(chip, left_reg); 934 else 935 oval1 = snd_es1688_read(chip, left_reg); 936 val1 = (oval1 & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2; 937 change = val1 != oval1; 938 if (change) { 939 if (left_reg < 0xa0) 940 snd_es1688_mixer_write(chip, left_reg, val1); 941 else 942 snd_es1688_write(chip, left_reg, val1); 943 } 944 945 } 946 spin_unlock_irqrestore(&chip->reg_lock, flags); 947 return change; 948 } 949 950 static struct snd_kcontrol_new snd_es1688_controls[] = { 951 ES1688_DOUBLE("Master Playback Volume", 0, ES1688_MASTER_DEV, ES1688_MASTER_DEV, 4, 0, 15, 0), 952 ES1688_DOUBLE("PCM Playback Volume", 0, ES1688_PCM_DEV, ES1688_PCM_DEV, 4, 0, 15, 0), 953 ES1688_DOUBLE("Line Playback Volume", 0, ES1688_LINE_DEV, ES1688_LINE_DEV, 4, 0, 15, 0), 954 ES1688_DOUBLE("CD Playback Volume", 0, ES1688_CD_DEV, ES1688_CD_DEV, 4, 0, 15, 0), 955 ES1688_DOUBLE("FM Playback Volume", 0, ES1688_FM_DEV, ES1688_FM_DEV, 4, 0, 15, 0), 956 ES1688_DOUBLE("Mic Playback Volume", 0, ES1688_MIC_DEV, ES1688_MIC_DEV, 4, 0, 15, 0), 957 ES1688_DOUBLE("Aux Playback Volume", 0, ES1688_AUX_DEV, ES1688_AUX_DEV, 4, 0, 15, 0), 958 ES1688_SINGLE("Beep Playback Volume", 0, ES1688_SPEAKER_DEV, 0, 7, 0), 959 ES1688_DOUBLE("Capture Volume", 0, ES1688_RECLEV_DEV, ES1688_RECLEV_DEV, 4, 0, 15, 0), 960 ES1688_SINGLE("Capture Switch", 0, ES1688_REC_DEV, 4, 1, 1), 961 { 962 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 963 .name = "Capture Source", 964 .info = snd_es1688_info_mux, 965 .get = snd_es1688_get_mux, 966 .put = snd_es1688_put_mux, 967 }, 968 }; 969 970 #define ES1688_INIT_TABLE_SIZE (sizeof(snd_es1688_init_table)/2) 971 972 static unsigned char snd_es1688_init_table[][2] = { 973 { ES1688_MASTER_DEV, 0 }, 974 { ES1688_PCM_DEV, 0 }, 975 { ES1688_LINE_DEV, 0 }, 976 { ES1688_CD_DEV, 0 }, 977 { ES1688_FM_DEV, 0 }, 978 { ES1688_MIC_DEV, 0 }, 979 { ES1688_AUX_DEV, 0 }, 980 { ES1688_SPEAKER_DEV, 0 }, 981 { ES1688_RECLEV_DEV, 0 }, 982 { ES1688_REC_DEV, 0x17 } 983 }; 984 985 int snd_es1688_mixer(struct snd_card *card, struct snd_es1688 *chip) 986 { 987 unsigned int idx; 988 int err; 989 unsigned char reg, val; 990 991 if (snd_BUG_ON(!chip || !card)) 992 return -EINVAL; 993 994 strcpy(card->mixername, snd_es1688_chip_id(chip)); 995 996 for (idx = 0; idx < ARRAY_SIZE(snd_es1688_controls); idx++) { 997 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es1688_controls[idx], chip))) < 0) 998 return err; 999 } 1000 for (idx = 0; idx < ES1688_INIT_TABLE_SIZE; idx++) { 1001 reg = snd_es1688_init_table[idx][0]; 1002 val = snd_es1688_init_table[idx][1]; 1003 if (reg < 0xa0) 1004 snd_es1688_mixer_write(chip, reg, val); 1005 else 1006 snd_es1688_write(chip, reg, val); 1007 } 1008 return 0; 1009 } 1010 1011 EXPORT_SYMBOL(snd_es1688_mixer_write); 1012 EXPORT_SYMBOL(snd_es1688_create); 1013 EXPORT_SYMBOL(snd_es1688_pcm); 1014 EXPORT_SYMBOL(snd_es1688_mixer); 1015