1 /* 2 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 3 * Routines for control of ESS ES1688/688/488 chip 4 * 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 * 20 */ 21 22 #include <linux/init.h> 23 #include <linux/interrupt.h> 24 #include <linux/delay.h> 25 #include <linux/slab.h> 26 #include <linux/ioport.h> 27 #include <linux/module.h> 28 #include <linux/io.h> 29 #include <sound/core.h> 30 #include <sound/es1688.h> 31 #include <sound/initval.h> 32 33 #include <asm/dma.h> 34 35 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 36 MODULE_DESCRIPTION("ESS ESx688 lowlevel module"); 37 MODULE_LICENSE("GPL"); 38 39 static int snd_es1688_dsp_command(struct snd_es1688 *chip, unsigned char val) 40 { 41 int i; 42 43 for (i = 10000; i; i--) 44 if ((inb(ES1688P(chip, STATUS)) & 0x80) == 0) { 45 outb(val, ES1688P(chip, COMMAND)); 46 return 1; 47 } 48 #ifdef CONFIG_SND_DEBUG 49 printk(KERN_DEBUG "snd_es1688_dsp_command: timeout (0x%x)\n", val); 50 #endif 51 return 0; 52 } 53 54 static int snd_es1688_dsp_get_byte(struct snd_es1688 *chip) 55 { 56 int i; 57 58 for (i = 1000; i; i--) 59 if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80) 60 return inb(ES1688P(chip, READ)); 61 snd_printd("es1688 get byte failed: 0x%lx = 0x%x!!!\n", ES1688P(chip, DATA_AVAIL), inb(ES1688P(chip, DATA_AVAIL))); 62 return -ENODEV; 63 } 64 65 static int snd_es1688_write(struct snd_es1688 *chip, 66 unsigned char reg, unsigned char data) 67 { 68 if (!snd_es1688_dsp_command(chip, reg)) 69 return 0; 70 return snd_es1688_dsp_command(chip, data); 71 } 72 73 static int snd_es1688_read(struct snd_es1688 *chip, unsigned char reg) 74 { 75 /* Read a byte from an extended mode register of ES1688 */ 76 if (!snd_es1688_dsp_command(chip, 0xc0)) 77 return -1; 78 if (!snd_es1688_dsp_command(chip, reg)) 79 return -1; 80 return snd_es1688_dsp_get_byte(chip); 81 } 82 83 void snd_es1688_mixer_write(struct snd_es1688 *chip, 84 unsigned char reg, unsigned char data) 85 { 86 outb(reg, ES1688P(chip, MIXER_ADDR)); 87 udelay(10); 88 outb(data, ES1688P(chip, MIXER_DATA)); 89 udelay(10); 90 } 91 92 static unsigned char snd_es1688_mixer_read(struct snd_es1688 *chip, unsigned char reg) 93 { 94 unsigned char result; 95 96 outb(reg, ES1688P(chip, MIXER_ADDR)); 97 udelay(10); 98 result = inb(ES1688P(chip, MIXER_DATA)); 99 udelay(10); 100 return result; 101 } 102 103 int snd_es1688_reset(struct snd_es1688 *chip) 104 { 105 int i; 106 107 outb(3, ES1688P(chip, RESET)); /* valid only for ESS chips, SB -> 1 */ 108 udelay(10); 109 outb(0, ES1688P(chip, RESET)); 110 udelay(30); 111 for (i = 0; i < 1000 && !(inb(ES1688P(chip, DATA_AVAIL)) & 0x80); i++); 112 if (inb(ES1688P(chip, READ)) != 0xaa) { 113 snd_printd("ess_reset at 0x%lx: failed!!!\n", chip->port); 114 return -ENODEV; 115 } 116 snd_es1688_dsp_command(chip, 0xc6); /* enable extended mode */ 117 return 0; 118 } 119 EXPORT_SYMBOL(snd_es1688_reset); 120 121 static int snd_es1688_probe(struct snd_es1688 *chip) 122 { 123 unsigned long flags; 124 unsigned short major, minor; 125 int i; 126 127 /* 128 * initialization sequence 129 */ 130 131 spin_lock_irqsave(&chip->reg_lock, flags); /* Some ESS1688 cards need this */ 132 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 133 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 134 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 135 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ 136 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 137 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ 138 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 139 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 140 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ 141 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 142 inb(ES1688P(chip, ENABLE0)); /* ENABLE0 */ 143 144 if (snd_es1688_reset(chip) < 0) { 145 snd_printdd("ESS: [0x%lx] reset failed... 0x%x\n", chip->port, inb(ES1688P(chip, READ))); 146 spin_unlock_irqrestore(&chip->reg_lock, flags); 147 return -ENODEV; 148 } 149 snd_es1688_dsp_command(chip, 0xe7); /* return identification */ 150 151 for (i = 1000, major = minor = 0; i; i--) { 152 if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80) { 153 if (major == 0) { 154 major = inb(ES1688P(chip, READ)); 155 } else { 156 minor = inb(ES1688P(chip, READ)); 157 } 158 } 159 } 160 161 spin_unlock_irqrestore(&chip->reg_lock, flags); 162 163 snd_printdd("ESS: [0x%lx] found.. major = 0x%x, minor = 0x%x\n", chip->port, major, minor); 164 165 chip->version = (major << 8) | minor; 166 if (!chip->version) 167 return -ENODEV; /* probably SB */ 168 169 switch (chip->version & 0xfff0) { 170 case 0x4880: 171 snd_printk(KERN_ERR "[0x%lx] ESS: AudioDrive ES488 detected, " 172 "but driver is in another place\n", chip->port); 173 return -ENODEV; 174 case 0x6880: 175 break; 176 default: 177 snd_printk(KERN_ERR "[0x%lx] ESS: unknown AudioDrive chip " 178 "with version 0x%x (Jazz16 soundcard?)\n", 179 chip->port, chip->version); 180 return -ENODEV; 181 } 182 183 spin_lock_irqsave(&chip->reg_lock, flags); 184 snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */ 185 snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */ 186 spin_unlock_irqrestore(&chip->reg_lock, flags); 187 188 /* enable joystick, but disable OPL3 */ 189 spin_lock_irqsave(&chip->mixer_lock, flags); 190 snd_es1688_mixer_write(chip, 0x40, 0x01); 191 spin_unlock_irqrestore(&chip->mixer_lock, flags); 192 193 return 0; 194 } 195 196 static int snd_es1688_init(struct snd_es1688 * chip, int enable) 197 { 198 static int irqs[16] = {-1, -1, 0, -1, -1, 1, -1, 2, -1, 0, 3, -1, -1, -1, -1, -1}; 199 unsigned long flags; 200 int cfg, irq_bits, dma, dma_bits, tmp, tmp1; 201 202 /* ok.. setup MPU-401 port and joystick and OPL3 */ 203 cfg = 0x01; /* enable joystick, but disable OPL3 */ 204 if (enable && chip->mpu_port >= 0x300 && chip->mpu_irq > 0 && chip->hardware != ES1688_HW_688) { 205 tmp = (chip->mpu_port & 0x0f0) >> 4; 206 if (tmp <= 3) { 207 switch (chip->mpu_irq) { 208 case 9: 209 tmp1 = 4; 210 break; 211 case 5: 212 tmp1 = 5; 213 break; 214 case 7: 215 tmp1 = 6; 216 break; 217 case 10: 218 tmp1 = 7; 219 break; 220 default: 221 tmp1 = 0; 222 } 223 if (tmp1) { 224 cfg |= (tmp << 3) | (tmp1 << 5); 225 } 226 } 227 } 228 #if 0 229 snd_printk(KERN_DEBUG "mpu cfg = 0x%x\n", cfg); 230 #endif 231 spin_lock_irqsave(&chip->reg_lock, flags); 232 snd_es1688_mixer_write(chip, 0x40, cfg); 233 spin_unlock_irqrestore(&chip->reg_lock, flags); 234 /* --- */ 235 spin_lock_irqsave(&chip->reg_lock, flags); 236 snd_es1688_read(chip, 0xb1); 237 snd_es1688_read(chip, 0xb2); 238 spin_unlock_irqrestore(&chip->reg_lock, flags); 239 if (enable) { 240 cfg = 0xf0; /* enable only DMA counter interrupt */ 241 irq_bits = irqs[chip->irq & 0x0f]; 242 if (irq_bits < 0) { 243 snd_printk(KERN_ERR "[0x%lx] ESS: bad IRQ %d " 244 "for ES1688 chip!!\n", 245 chip->port, chip->irq); 246 #if 0 247 irq_bits = 0; 248 cfg = 0x10; 249 #endif 250 return -EINVAL; 251 } 252 spin_lock_irqsave(&chip->reg_lock, flags); 253 snd_es1688_write(chip, 0xb1, cfg | (irq_bits << 2)); 254 spin_unlock_irqrestore(&chip->reg_lock, flags); 255 cfg = 0xf0; /* extended mode DMA enable */ 256 dma = chip->dma8; 257 if (dma > 3 || dma == 2) { 258 snd_printk(KERN_ERR "[0x%lx] ESS: bad DMA channel %d " 259 "for ES1688 chip!!\n", chip->port, dma); 260 #if 0 261 dma_bits = 0; 262 cfg = 0x00; /* disable all DMA */ 263 #endif 264 return -EINVAL; 265 } else { 266 dma_bits = dma; 267 if (dma != 3) 268 dma_bits++; 269 } 270 spin_lock_irqsave(&chip->reg_lock, flags); 271 snd_es1688_write(chip, 0xb2, cfg | (dma_bits << 2)); 272 spin_unlock_irqrestore(&chip->reg_lock, flags); 273 } else { 274 spin_lock_irqsave(&chip->reg_lock, flags); 275 snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */ 276 snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */ 277 spin_unlock_irqrestore(&chip->reg_lock, flags); 278 } 279 spin_lock_irqsave(&chip->reg_lock, flags); 280 snd_es1688_read(chip, 0xb1); 281 snd_es1688_read(chip, 0xb2); 282 snd_es1688_reset(chip); 283 spin_unlock_irqrestore(&chip->reg_lock, flags); 284 return 0; 285 } 286 287 /* 288 289 */ 290 291 static const struct snd_ratnum clocks[2] = { 292 { 293 .num = 795444, 294 .den_min = 1, 295 .den_max = 128, 296 .den_step = 1, 297 }, 298 { 299 .num = 397722, 300 .den_min = 1, 301 .den_max = 128, 302 .den_step = 1, 303 } 304 }; 305 306 static const struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = { 307 .nrats = 2, 308 .rats = clocks, 309 }; 310 311 static void snd_es1688_set_rate(struct snd_es1688 *chip, struct snd_pcm_substream *substream) 312 { 313 struct snd_pcm_runtime *runtime = substream->runtime; 314 unsigned int bits, divider; 315 316 if (runtime->rate_num == clocks[0].num) 317 bits = 256 - runtime->rate_den; 318 else 319 bits = 128 - runtime->rate_den; 320 /* set filter register */ 321 divider = 256 - 7160000*20/(8*82*runtime->rate); 322 /* write result to hardware */ 323 snd_es1688_write(chip, 0xa1, bits); 324 snd_es1688_write(chip, 0xa2, divider); 325 } 326 327 static int snd_es1688_ioctl(struct snd_pcm_substream *substream, 328 unsigned int cmd, void *arg) 329 { 330 return snd_pcm_lib_ioctl(substream, cmd, arg); 331 } 332 333 static int snd_es1688_trigger(struct snd_es1688 *chip, int cmd, unsigned char value) 334 { 335 int val; 336 337 if (cmd == SNDRV_PCM_TRIGGER_STOP) { 338 value = 0x00; 339 } else if (cmd != SNDRV_PCM_TRIGGER_START) { 340 return -EINVAL; 341 } 342 spin_lock(&chip->reg_lock); 343 chip->trigger_value = value; 344 val = snd_es1688_read(chip, 0xb8); 345 if ((val < 0) || (val & 0x0f) == value) { 346 spin_unlock(&chip->reg_lock); 347 return -EINVAL; /* something is wrong */ 348 } 349 #if 0 350 printk(KERN_DEBUG "trigger: val = 0x%x, value = 0x%x\n", val, value); 351 printk(KERN_DEBUG "trigger: pointer = 0x%x\n", 352 snd_dma_pointer(chip->dma8, chip->dma_size)); 353 #endif 354 snd_es1688_write(chip, 0xb8, (val & 0xf0) | value); 355 spin_unlock(&chip->reg_lock); 356 return 0; 357 } 358 359 static int snd_es1688_hw_params(struct snd_pcm_substream *substream, 360 struct snd_pcm_hw_params *hw_params) 361 { 362 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 363 } 364 365 static int snd_es1688_hw_free(struct snd_pcm_substream *substream) 366 { 367 return snd_pcm_lib_free_pages(substream); 368 } 369 370 static int snd_es1688_playback_prepare(struct snd_pcm_substream *substream) 371 { 372 unsigned long flags; 373 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 374 struct snd_pcm_runtime *runtime = substream->runtime; 375 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 376 unsigned int count = snd_pcm_lib_period_bytes(substream); 377 378 chip->dma_size = size; 379 spin_lock_irqsave(&chip->reg_lock, flags); 380 snd_es1688_reset(chip); 381 snd_es1688_set_rate(chip, substream); 382 snd_es1688_write(chip, 0xb8, 4); /* auto init DMA mode */ 383 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels)); 384 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */ 385 if (runtime->channels == 1) { 386 if (snd_pcm_format_width(runtime->format) == 8) { 387 /* 8. bit mono */ 388 snd_es1688_write(chip, 0xb6, 0x80); 389 snd_es1688_write(chip, 0xb7, 0x51); 390 snd_es1688_write(chip, 0xb7, 0xd0); 391 } else { 392 /* 16. bit mono */ 393 snd_es1688_write(chip, 0xb6, 0x00); 394 snd_es1688_write(chip, 0xb7, 0x71); 395 snd_es1688_write(chip, 0xb7, 0xf4); 396 } 397 } else { 398 if (snd_pcm_format_width(runtime->format) == 8) { 399 /* 8. bit stereo */ 400 snd_es1688_write(chip, 0xb6, 0x80); 401 snd_es1688_write(chip, 0xb7, 0x51); 402 snd_es1688_write(chip, 0xb7, 0x98); 403 } else { 404 /* 16. bit stereo */ 405 snd_es1688_write(chip, 0xb6, 0x00); 406 snd_es1688_write(chip, 0xb7, 0x71); 407 snd_es1688_write(chip, 0xb7, 0xbc); 408 } 409 } 410 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50); 411 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50); 412 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKON); 413 spin_unlock_irqrestore(&chip->reg_lock, flags); 414 /* --- */ 415 count = -count; 416 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT); 417 spin_lock_irqsave(&chip->reg_lock, flags); 418 snd_es1688_write(chip, 0xa4, (unsigned char) count); 419 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8)); 420 spin_unlock_irqrestore(&chip->reg_lock, flags); 421 return 0; 422 } 423 424 static int snd_es1688_playback_trigger(struct snd_pcm_substream *substream, 425 int cmd) 426 { 427 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 428 return snd_es1688_trigger(chip, cmd, 0x05); 429 } 430 431 static int snd_es1688_capture_prepare(struct snd_pcm_substream *substream) 432 { 433 unsigned long flags; 434 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 435 struct snd_pcm_runtime *runtime = substream->runtime; 436 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 437 unsigned int count = snd_pcm_lib_period_bytes(substream); 438 439 chip->dma_size = size; 440 spin_lock_irqsave(&chip->reg_lock, flags); 441 snd_es1688_reset(chip); 442 snd_es1688_set_rate(chip, substream); 443 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKOFF); 444 snd_es1688_write(chip, 0xb8, 0x0e); /* auto init DMA mode */ 445 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels)); 446 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */ 447 if (runtime->channels == 1) { 448 if (snd_pcm_format_width(runtime->format) == 8) { 449 /* 8. bit mono */ 450 snd_es1688_write(chip, 0xb7, 0x51); 451 snd_es1688_write(chip, 0xb7, 0xd0); 452 } else { 453 /* 16. bit mono */ 454 snd_es1688_write(chip, 0xb7, 0x71); 455 snd_es1688_write(chip, 0xb7, 0xf4); 456 } 457 } else { 458 if (snd_pcm_format_width(runtime->format) == 8) { 459 /* 8. bit stereo */ 460 snd_es1688_write(chip, 0xb7, 0x51); 461 snd_es1688_write(chip, 0xb7, 0x98); 462 } else { 463 /* 16. bit stereo */ 464 snd_es1688_write(chip, 0xb7, 0x71); 465 snd_es1688_write(chip, 0xb7, 0xbc); 466 } 467 } 468 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50); 469 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50); 470 spin_unlock_irqrestore(&chip->reg_lock, flags); 471 /* --- */ 472 count = -count; 473 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT); 474 spin_lock_irqsave(&chip->reg_lock, flags); 475 snd_es1688_write(chip, 0xa4, (unsigned char) count); 476 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8)); 477 spin_unlock_irqrestore(&chip->reg_lock, flags); 478 return 0; 479 } 480 481 static int snd_es1688_capture_trigger(struct snd_pcm_substream *substream, 482 int cmd) 483 { 484 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 485 return snd_es1688_trigger(chip, cmd, 0x0f); 486 } 487 488 static irqreturn_t snd_es1688_interrupt(int irq, void *dev_id) 489 { 490 struct snd_es1688 *chip = dev_id; 491 492 if (chip->trigger_value == 0x05) /* ok.. playback is active */ 493 snd_pcm_period_elapsed(chip->playback_substream); 494 if (chip->trigger_value == 0x0f) /* ok.. capture is active */ 495 snd_pcm_period_elapsed(chip->capture_substream); 496 497 inb(ES1688P(chip, DATA_AVAIL)); /* ack interrupt */ 498 return IRQ_HANDLED; 499 } 500 501 static snd_pcm_uframes_t snd_es1688_playback_pointer(struct snd_pcm_substream *substream) 502 { 503 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 504 size_t ptr; 505 506 if (chip->trigger_value != 0x05) 507 return 0; 508 ptr = snd_dma_pointer(chip->dma8, chip->dma_size); 509 return bytes_to_frames(substream->runtime, ptr); 510 } 511 512 static snd_pcm_uframes_t snd_es1688_capture_pointer(struct snd_pcm_substream *substream) 513 { 514 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 515 size_t ptr; 516 517 if (chip->trigger_value != 0x0f) 518 return 0; 519 ptr = snd_dma_pointer(chip->dma8, chip->dma_size); 520 return bytes_to_frames(substream->runtime, ptr); 521 } 522 523 /* 524 525 */ 526 527 static const struct snd_pcm_hardware snd_es1688_playback = 528 { 529 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 530 SNDRV_PCM_INFO_MMAP_VALID), 531 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 532 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 533 .rate_min = 4000, 534 .rate_max = 48000, 535 .channels_min = 1, 536 .channels_max = 2, 537 .buffer_bytes_max = 65536, 538 .period_bytes_min = 64, 539 .period_bytes_max = 65536, 540 .periods_min = 1, 541 .periods_max = 1024, 542 .fifo_size = 0, 543 }; 544 545 static const struct snd_pcm_hardware snd_es1688_capture = 546 { 547 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 548 SNDRV_PCM_INFO_MMAP_VALID), 549 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 550 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 551 .rate_min = 4000, 552 .rate_max = 48000, 553 .channels_min = 1, 554 .channels_max = 2, 555 .buffer_bytes_max = 65536, 556 .period_bytes_min = 64, 557 .period_bytes_max = 65536, 558 .periods_min = 1, 559 .periods_max = 1024, 560 .fifo_size = 0, 561 }; 562 563 /* 564 565 */ 566 567 static int snd_es1688_playback_open(struct snd_pcm_substream *substream) 568 { 569 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 570 struct snd_pcm_runtime *runtime = substream->runtime; 571 572 if (chip->capture_substream != NULL) 573 return -EAGAIN; 574 chip->playback_substream = substream; 575 runtime->hw = snd_es1688_playback; 576 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 577 &hw_constraints_clocks); 578 return 0; 579 } 580 581 static int snd_es1688_capture_open(struct snd_pcm_substream *substream) 582 { 583 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 584 struct snd_pcm_runtime *runtime = substream->runtime; 585 586 if (chip->playback_substream != NULL) 587 return -EAGAIN; 588 chip->capture_substream = substream; 589 runtime->hw = snd_es1688_capture; 590 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 591 &hw_constraints_clocks); 592 return 0; 593 } 594 595 static int snd_es1688_playback_close(struct snd_pcm_substream *substream) 596 { 597 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 598 599 chip->playback_substream = NULL; 600 return 0; 601 } 602 603 static int snd_es1688_capture_close(struct snd_pcm_substream *substream) 604 { 605 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 606 607 chip->capture_substream = NULL; 608 return 0; 609 } 610 611 static int snd_es1688_free(struct snd_es1688 *chip) 612 { 613 if (chip->hardware != ES1688_HW_UNDEF) 614 snd_es1688_init(chip, 0); 615 release_and_free_resource(chip->res_port); 616 if (chip->irq >= 0) 617 free_irq(chip->irq, (void *) chip); 618 if (chip->dma8 >= 0) { 619 disable_dma(chip->dma8); 620 free_dma(chip->dma8); 621 } 622 return 0; 623 } 624 625 static int snd_es1688_dev_free(struct snd_device *device) 626 { 627 struct snd_es1688 *chip = device->device_data; 628 return snd_es1688_free(chip); 629 } 630 631 static const char *snd_es1688_chip_id(struct snd_es1688 *chip) 632 { 633 static char tmp[16]; 634 sprintf(tmp, "ES%s688 rev %i", chip->hardware == ES1688_HW_688 ? "" : "1", chip->version & 0x0f); 635 return tmp; 636 } 637 638 int snd_es1688_create(struct snd_card *card, 639 struct snd_es1688 *chip, 640 unsigned long port, 641 unsigned long mpu_port, 642 int irq, 643 int mpu_irq, 644 int dma8, 645 unsigned short hardware) 646 { 647 static struct snd_device_ops ops = { 648 .dev_free = snd_es1688_dev_free, 649 }; 650 651 int err; 652 653 if (chip == NULL) 654 return -ENOMEM; 655 chip->irq = -1; 656 chip->dma8 = -1; 657 chip->hardware = ES1688_HW_UNDEF; 658 659 chip->res_port = request_region(port + 4, 12, "ES1688"); 660 if (chip->res_port == NULL) { 661 snd_printk(KERN_ERR "es1688: can't grab port 0x%lx\n", port + 4); 662 err = -EBUSY; 663 goto exit; 664 } 665 666 err = request_irq(irq, snd_es1688_interrupt, 0, "ES1688", (void *) chip); 667 if (err < 0) { 668 snd_printk(KERN_ERR "es1688: can't grab IRQ %d\n", irq); 669 goto exit; 670 } 671 672 chip->irq = irq; 673 err = request_dma(dma8, "ES1688"); 674 675 if (err < 0) { 676 snd_printk(KERN_ERR "es1688: can't grab DMA8 %d\n", dma8); 677 goto exit; 678 } 679 chip->dma8 = dma8; 680 681 spin_lock_init(&chip->reg_lock); 682 spin_lock_init(&chip->mixer_lock); 683 chip->port = port; 684 mpu_port &= ~0x000f; 685 if (mpu_port < 0x300 || mpu_port > 0x330) 686 mpu_port = 0; 687 chip->mpu_port = mpu_port; 688 chip->mpu_irq = mpu_irq; 689 chip->hardware = hardware; 690 691 err = snd_es1688_probe(chip); 692 if (err < 0) 693 goto exit; 694 695 err = snd_es1688_init(chip, 1); 696 if (err < 0) 697 goto exit; 698 699 /* Register device */ 700 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); 701 exit: 702 if (err) 703 snd_es1688_free(chip); 704 return err; 705 } 706 707 static const struct snd_pcm_ops snd_es1688_playback_ops = { 708 .open = snd_es1688_playback_open, 709 .close = snd_es1688_playback_close, 710 .ioctl = snd_es1688_ioctl, 711 .hw_params = snd_es1688_hw_params, 712 .hw_free = snd_es1688_hw_free, 713 .prepare = snd_es1688_playback_prepare, 714 .trigger = snd_es1688_playback_trigger, 715 .pointer = snd_es1688_playback_pointer, 716 }; 717 718 static const struct snd_pcm_ops snd_es1688_capture_ops = { 719 .open = snd_es1688_capture_open, 720 .close = snd_es1688_capture_close, 721 .ioctl = snd_es1688_ioctl, 722 .hw_params = snd_es1688_hw_params, 723 .hw_free = snd_es1688_hw_free, 724 .prepare = snd_es1688_capture_prepare, 725 .trigger = snd_es1688_capture_trigger, 726 .pointer = snd_es1688_capture_pointer, 727 }; 728 729 int snd_es1688_pcm(struct snd_card *card, struct snd_es1688 *chip, int device) 730 { 731 struct snd_pcm *pcm; 732 int err; 733 734 err = snd_pcm_new(card, "ESx688", device, 1, 1, &pcm); 735 if (err < 0) 736 return err; 737 738 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es1688_playback_ops); 739 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es1688_capture_ops); 740 741 pcm->private_data = chip; 742 pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX; 743 strcpy(pcm->name, snd_es1688_chip_id(chip)); 744 chip->pcm = pcm; 745 746 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 747 card->dev, 748 64*1024, 64*1024); 749 return 0; 750 } 751 752 /* 753 * MIXER part 754 */ 755 756 static int snd_es1688_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 757 { 758 static const char * const texts[8] = { 759 "Mic", "Mic Master", "CD", "AOUT", 760 "Mic1", "Mix", "Line", "Master" 761 }; 762 763 return snd_ctl_enum_info(uinfo, 1, 8, texts); 764 } 765 766 static int snd_es1688_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 767 { 768 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 769 ucontrol->value.enumerated.item[0] = snd_es1688_mixer_read(chip, ES1688_REC_DEV) & 7; 770 return 0; 771 } 772 773 static int snd_es1688_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 774 { 775 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 776 unsigned long flags; 777 unsigned char oval, nval; 778 int change; 779 780 if (ucontrol->value.enumerated.item[0] > 8) 781 return -EINVAL; 782 spin_lock_irqsave(&chip->reg_lock, flags); 783 oval = snd_es1688_mixer_read(chip, ES1688_REC_DEV); 784 nval = (ucontrol->value.enumerated.item[0] & 7) | (oval & ~15); 785 change = nval != oval; 786 if (change) 787 snd_es1688_mixer_write(chip, ES1688_REC_DEV, nval); 788 spin_unlock_irqrestore(&chip->reg_lock, flags); 789 return change; 790 } 791 792 #define ES1688_SINGLE(xname, xindex, reg, shift, mask, invert) \ 793 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 794 .info = snd_es1688_info_single, \ 795 .get = snd_es1688_get_single, .put = snd_es1688_put_single, \ 796 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } 797 798 static int snd_es1688_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 799 { 800 int mask = (kcontrol->private_value >> 16) & 0xff; 801 802 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 803 uinfo->count = 1; 804 uinfo->value.integer.min = 0; 805 uinfo->value.integer.max = mask; 806 return 0; 807 } 808 809 static int snd_es1688_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 810 { 811 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 812 unsigned long flags; 813 int reg = kcontrol->private_value & 0xff; 814 int shift = (kcontrol->private_value >> 8) & 0xff; 815 int mask = (kcontrol->private_value >> 16) & 0xff; 816 int invert = (kcontrol->private_value >> 24) & 0xff; 817 818 spin_lock_irqsave(&chip->reg_lock, flags); 819 ucontrol->value.integer.value[0] = (snd_es1688_mixer_read(chip, reg) >> shift) & mask; 820 spin_unlock_irqrestore(&chip->reg_lock, flags); 821 if (invert) 822 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 823 return 0; 824 } 825 826 static int snd_es1688_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 827 { 828 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 829 unsigned long flags; 830 int reg = kcontrol->private_value & 0xff; 831 int shift = (kcontrol->private_value >> 8) & 0xff; 832 int mask = (kcontrol->private_value >> 16) & 0xff; 833 int invert = (kcontrol->private_value >> 24) & 0xff; 834 int change; 835 unsigned char oval, nval; 836 837 nval = (ucontrol->value.integer.value[0] & mask); 838 if (invert) 839 nval = mask - nval; 840 nval <<= shift; 841 spin_lock_irqsave(&chip->reg_lock, flags); 842 oval = snd_es1688_mixer_read(chip, reg); 843 nval = (oval & ~(mask << shift)) | nval; 844 change = nval != oval; 845 if (change) 846 snd_es1688_mixer_write(chip, reg, nval); 847 spin_unlock_irqrestore(&chip->reg_lock, flags); 848 return change; 849 } 850 851 #define ES1688_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ 852 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 853 .info = snd_es1688_info_double, \ 854 .get = snd_es1688_get_double, .put = snd_es1688_put_double, \ 855 .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) } 856 857 static int snd_es1688_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 858 { 859 int mask = (kcontrol->private_value >> 24) & 0xff; 860 861 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 862 uinfo->count = 2; 863 uinfo->value.integer.min = 0; 864 uinfo->value.integer.max = mask; 865 return 0; 866 } 867 868 static int snd_es1688_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 869 { 870 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 871 unsigned long flags; 872 int left_reg = kcontrol->private_value & 0xff; 873 int right_reg = (kcontrol->private_value >> 8) & 0xff; 874 int shift_left = (kcontrol->private_value >> 16) & 0x07; 875 int shift_right = (kcontrol->private_value >> 19) & 0x07; 876 int mask = (kcontrol->private_value >> 24) & 0xff; 877 int invert = (kcontrol->private_value >> 22) & 1; 878 unsigned char left, right; 879 880 spin_lock_irqsave(&chip->reg_lock, flags); 881 if (left_reg < 0xa0) 882 left = snd_es1688_mixer_read(chip, left_reg); 883 else 884 left = snd_es1688_read(chip, left_reg); 885 if (left_reg != right_reg) { 886 if (right_reg < 0xa0) 887 right = snd_es1688_mixer_read(chip, right_reg); 888 else 889 right = snd_es1688_read(chip, right_reg); 890 } else 891 right = left; 892 spin_unlock_irqrestore(&chip->reg_lock, flags); 893 ucontrol->value.integer.value[0] = (left >> shift_left) & mask; 894 ucontrol->value.integer.value[1] = (right >> shift_right) & mask; 895 if (invert) { 896 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 897 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 898 } 899 return 0; 900 } 901 902 static int snd_es1688_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 903 { 904 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 905 unsigned long flags; 906 int left_reg = kcontrol->private_value & 0xff; 907 int right_reg = (kcontrol->private_value >> 8) & 0xff; 908 int shift_left = (kcontrol->private_value >> 16) & 0x07; 909 int shift_right = (kcontrol->private_value >> 19) & 0x07; 910 int mask = (kcontrol->private_value >> 24) & 0xff; 911 int invert = (kcontrol->private_value >> 22) & 1; 912 int change; 913 unsigned char val1, val2, oval1, oval2; 914 915 val1 = ucontrol->value.integer.value[0] & mask; 916 val2 = ucontrol->value.integer.value[1] & mask; 917 if (invert) { 918 val1 = mask - val1; 919 val2 = mask - val2; 920 } 921 val1 <<= shift_left; 922 val2 <<= shift_right; 923 spin_lock_irqsave(&chip->reg_lock, flags); 924 if (left_reg != right_reg) { 925 if (left_reg < 0xa0) 926 oval1 = snd_es1688_mixer_read(chip, left_reg); 927 else 928 oval1 = snd_es1688_read(chip, left_reg); 929 if (right_reg < 0xa0) 930 oval2 = snd_es1688_mixer_read(chip, right_reg); 931 else 932 oval2 = snd_es1688_read(chip, right_reg); 933 val1 = (oval1 & ~(mask << shift_left)) | val1; 934 val2 = (oval2 & ~(mask << shift_right)) | val2; 935 change = val1 != oval1 || val2 != oval2; 936 if (change) { 937 if (left_reg < 0xa0) 938 snd_es1688_mixer_write(chip, left_reg, val1); 939 else 940 snd_es1688_write(chip, left_reg, val1); 941 if (right_reg < 0xa0) 942 snd_es1688_mixer_write(chip, right_reg, val1); 943 else 944 snd_es1688_write(chip, right_reg, val1); 945 } 946 } else { 947 if (left_reg < 0xa0) 948 oval1 = snd_es1688_mixer_read(chip, left_reg); 949 else 950 oval1 = snd_es1688_read(chip, left_reg); 951 val1 = (oval1 & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2; 952 change = val1 != oval1; 953 if (change) { 954 if (left_reg < 0xa0) 955 snd_es1688_mixer_write(chip, left_reg, val1); 956 else 957 snd_es1688_write(chip, left_reg, val1); 958 } 959 960 } 961 spin_unlock_irqrestore(&chip->reg_lock, flags); 962 return change; 963 } 964 965 static struct snd_kcontrol_new snd_es1688_controls[] = { 966 ES1688_DOUBLE("Master Playback Volume", 0, ES1688_MASTER_DEV, ES1688_MASTER_DEV, 4, 0, 15, 0), 967 ES1688_DOUBLE("PCM Playback Volume", 0, ES1688_PCM_DEV, ES1688_PCM_DEV, 4, 0, 15, 0), 968 ES1688_DOUBLE("Line Playback Volume", 0, ES1688_LINE_DEV, ES1688_LINE_DEV, 4, 0, 15, 0), 969 ES1688_DOUBLE("CD Playback Volume", 0, ES1688_CD_DEV, ES1688_CD_DEV, 4, 0, 15, 0), 970 ES1688_DOUBLE("FM Playback Volume", 0, ES1688_FM_DEV, ES1688_FM_DEV, 4, 0, 15, 0), 971 ES1688_DOUBLE("Mic Playback Volume", 0, ES1688_MIC_DEV, ES1688_MIC_DEV, 4, 0, 15, 0), 972 ES1688_DOUBLE("Aux Playback Volume", 0, ES1688_AUX_DEV, ES1688_AUX_DEV, 4, 0, 15, 0), 973 ES1688_SINGLE("Beep Playback Volume", 0, ES1688_SPEAKER_DEV, 0, 7, 0), 974 ES1688_DOUBLE("Capture Volume", 0, ES1688_RECLEV_DEV, ES1688_RECLEV_DEV, 4, 0, 15, 0), 975 ES1688_SINGLE("Capture Switch", 0, ES1688_REC_DEV, 4, 1, 1), 976 { 977 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 978 .name = "Capture Source", 979 .info = snd_es1688_info_mux, 980 .get = snd_es1688_get_mux, 981 .put = snd_es1688_put_mux, 982 }, 983 }; 984 985 #define ES1688_INIT_TABLE_SIZE (sizeof(snd_es1688_init_table)/2) 986 987 static unsigned char snd_es1688_init_table[][2] = { 988 { ES1688_MASTER_DEV, 0 }, 989 { ES1688_PCM_DEV, 0 }, 990 { ES1688_LINE_DEV, 0 }, 991 { ES1688_CD_DEV, 0 }, 992 { ES1688_FM_DEV, 0 }, 993 { ES1688_MIC_DEV, 0 }, 994 { ES1688_AUX_DEV, 0 }, 995 { ES1688_SPEAKER_DEV, 0 }, 996 { ES1688_RECLEV_DEV, 0 }, 997 { ES1688_REC_DEV, 0x17 } 998 }; 999 1000 int snd_es1688_mixer(struct snd_card *card, struct snd_es1688 *chip) 1001 { 1002 unsigned int idx; 1003 int err; 1004 unsigned char reg, val; 1005 1006 if (snd_BUG_ON(!chip || !card)) 1007 return -EINVAL; 1008 1009 strcpy(card->mixername, snd_es1688_chip_id(chip)); 1010 1011 for (idx = 0; idx < ARRAY_SIZE(snd_es1688_controls); idx++) { 1012 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es1688_controls[idx], chip))) < 0) 1013 return err; 1014 } 1015 for (idx = 0; idx < ES1688_INIT_TABLE_SIZE; idx++) { 1016 reg = snd_es1688_init_table[idx][0]; 1017 val = snd_es1688_init_table[idx][1]; 1018 if (reg < 0xa0) 1019 snd_es1688_mixer_write(chip, reg, val); 1020 else 1021 snd_es1688_write(chip, reg, val); 1022 } 1023 return 0; 1024 } 1025 1026 EXPORT_SYMBOL(snd_es1688_mixer_write); 1027 EXPORT_SYMBOL(snd_es1688_create); 1028 EXPORT_SYMBOL(snd_es1688_pcm); 1029 EXPORT_SYMBOL(snd_es1688_mixer); 1030