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, hw; 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 hw = ES1688_HW_AUTO; 170 switch (chip->version & 0xfff0) { 171 case 0x4880: 172 snd_printk(KERN_ERR "[0x%lx] ESS: AudioDrive ES488 detected, " 173 "but driver is in another place\n", chip->port); 174 return -ENODEV; 175 case 0x6880: 176 hw = (chip->version & 0x0f) >= 8 ? ES1688_HW_1688 : ES1688_HW_688; 177 break; 178 default: 179 snd_printk(KERN_ERR "[0x%lx] ESS: unknown AudioDrive chip " 180 "with version 0x%x (Jazz16 soundcard?)\n", 181 chip->port, chip->version); 182 return -ENODEV; 183 } 184 185 spin_lock_irqsave(&chip->reg_lock, flags); 186 snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */ 187 snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */ 188 spin_unlock_irqrestore(&chip->reg_lock, flags); 189 190 /* enable joystick, but disable OPL3 */ 191 spin_lock_irqsave(&chip->mixer_lock, flags); 192 snd_es1688_mixer_write(chip, 0x40, 0x01); 193 spin_unlock_irqrestore(&chip->mixer_lock, flags); 194 195 return 0; 196 } 197 198 static int snd_es1688_init(struct snd_es1688 * chip, int enable) 199 { 200 static int irqs[16] = {-1, -1, 0, -1, -1, 1, -1, 2, -1, 0, 3, -1, -1, -1, -1, -1}; 201 unsigned long flags; 202 int cfg, irq_bits, dma, dma_bits, tmp, tmp1; 203 204 /* ok.. setup MPU-401 port and joystick and OPL3 */ 205 cfg = 0x01; /* enable joystick, but disable OPL3 */ 206 if (enable && chip->mpu_port >= 0x300 && chip->mpu_irq > 0 && chip->hardware != ES1688_HW_688) { 207 tmp = (chip->mpu_port & 0x0f0) >> 4; 208 if (tmp <= 3) { 209 switch (chip->mpu_irq) { 210 case 9: 211 tmp1 = 4; 212 break; 213 case 5: 214 tmp1 = 5; 215 break; 216 case 7: 217 tmp1 = 6; 218 break; 219 case 10: 220 tmp1 = 7; 221 break; 222 default: 223 tmp1 = 0; 224 } 225 if (tmp1) { 226 cfg |= (tmp << 3) | (tmp1 << 5); 227 } 228 } 229 } 230 #if 0 231 snd_printk(KERN_DEBUG "mpu cfg = 0x%x\n", cfg); 232 #endif 233 spin_lock_irqsave(&chip->reg_lock, flags); 234 snd_es1688_mixer_write(chip, 0x40, cfg); 235 spin_unlock_irqrestore(&chip->reg_lock, flags); 236 /* --- */ 237 spin_lock_irqsave(&chip->reg_lock, flags); 238 snd_es1688_read(chip, 0xb1); 239 snd_es1688_read(chip, 0xb2); 240 spin_unlock_irqrestore(&chip->reg_lock, flags); 241 if (enable) { 242 cfg = 0xf0; /* enable only DMA counter interrupt */ 243 irq_bits = irqs[chip->irq & 0x0f]; 244 if (irq_bits < 0) { 245 snd_printk(KERN_ERR "[0x%lx] ESS: bad IRQ %d " 246 "for ES1688 chip!!\n", 247 chip->port, chip->irq); 248 #if 0 249 irq_bits = 0; 250 cfg = 0x10; 251 #endif 252 return -EINVAL; 253 } 254 spin_lock_irqsave(&chip->reg_lock, flags); 255 snd_es1688_write(chip, 0xb1, cfg | (irq_bits << 2)); 256 spin_unlock_irqrestore(&chip->reg_lock, flags); 257 cfg = 0xf0; /* extended mode DMA enable */ 258 dma = chip->dma8; 259 if (dma > 3 || dma == 2) { 260 snd_printk(KERN_ERR "[0x%lx] ESS: bad DMA channel %d " 261 "for ES1688 chip!!\n", chip->port, dma); 262 #if 0 263 dma_bits = 0; 264 cfg = 0x00; /* disable all DMA */ 265 #endif 266 return -EINVAL; 267 } else { 268 dma_bits = dma; 269 if (dma != 3) 270 dma_bits++; 271 } 272 spin_lock_irqsave(&chip->reg_lock, flags); 273 snd_es1688_write(chip, 0xb2, cfg | (dma_bits << 2)); 274 spin_unlock_irqrestore(&chip->reg_lock, flags); 275 } else { 276 spin_lock_irqsave(&chip->reg_lock, flags); 277 snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */ 278 snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */ 279 spin_unlock_irqrestore(&chip->reg_lock, flags); 280 } 281 spin_lock_irqsave(&chip->reg_lock, flags); 282 snd_es1688_read(chip, 0xb1); 283 snd_es1688_read(chip, 0xb2); 284 snd_es1688_reset(chip); 285 spin_unlock_irqrestore(&chip->reg_lock, flags); 286 return 0; 287 } 288 289 /* 290 291 */ 292 293 static const struct snd_ratnum clocks[2] = { 294 { 295 .num = 795444, 296 .den_min = 1, 297 .den_max = 128, 298 .den_step = 1, 299 }, 300 { 301 .num = 397722, 302 .den_min = 1, 303 .den_max = 128, 304 .den_step = 1, 305 } 306 }; 307 308 static const struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = { 309 .nrats = 2, 310 .rats = clocks, 311 }; 312 313 static void snd_es1688_set_rate(struct snd_es1688 *chip, struct snd_pcm_substream *substream) 314 { 315 struct snd_pcm_runtime *runtime = substream->runtime; 316 unsigned int bits, divider; 317 318 if (runtime->rate_num == clocks[0].num) 319 bits = 256 - runtime->rate_den; 320 else 321 bits = 128 - runtime->rate_den; 322 /* set filter register */ 323 divider = 256 - 7160000*20/(8*82*runtime->rate); 324 /* write result to hardware */ 325 snd_es1688_write(chip, 0xa1, bits); 326 snd_es1688_write(chip, 0xa2, divider); 327 } 328 329 static int snd_es1688_ioctl(struct snd_pcm_substream *substream, 330 unsigned int cmd, void *arg) 331 { 332 return snd_pcm_lib_ioctl(substream, cmd, arg); 333 } 334 335 static int snd_es1688_trigger(struct snd_es1688 *chip, int cmd, unsigned char value) 336 { 337 int val; 338 339 if (cmd == SNDRV_PCM_TRIGGER_STOP) { 340 value = 0x00; 341 } else if (cmd != SNDRV_PCM_TRIGGER_START) { 342 return -EINVAL; 343 } 344 spin_lock(&chip->reg_lock); 345 chip->trigger_value = value; 346 val = snd_es1688_read(chip, 0xb8); 347 if ((val < 0) || (val & 0x0f) == value) { 348 spin_unlock(&chip->reg_lock); 349 return -EINVAL; /* something is wrong */ 350 } 351 #if 0 352 printk(KERN_DEBUG "trigger: val = 0x%x, value = 0x%x\n", val, value); 353 printk(KERN_DEBUG "trigger: pointer = 0x%x\n", 354 snd_dma_pointer(chip->dma8, chip->dma_size)); 355 #endif 356 snd_es1688_write(chip, 0xb8, (val & 0xf0) | value); 357 spin_unlock(&chip->reg_lock); 358 return 0; 359 } 360 361 static int snd_es1688_hw_params(struct snd_pcm_substream *substream, 362 struct snd_pcm_hw_params *hw_params) 363 { 364 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 365 } 366 367 static int snd_es1688_hw_free(struct snd_pcm_substream *substream) 368 { 369 return snd_pcm_lib_free_pages(substream); 370 } 371 372 static int snd_es1688_playback_prepare(struct snd_pcm_substream *substream) 373 { 374 unsigned long flags; 375 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 376 struct snd_pcm_runtime *runtime = substream->runtime; 377 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 378 unsigned int count = snd_pcm_lib_period_bytes(substream); 379 380 chip->dma_size = size; 381 spin_lock_irqsave(&chip->reg_lock, flags); 382 snd_es1688_reset(chip); 383 snd_es1688_set_rate(chip, substream); 384 snd_es1688_write(chip, 0xb8, 4); /* auto init DMA mode */ 385 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels)); 386 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */ 387 if (runtime->channels == 1) { 388 if (snd_pcm_format_width(runtime->format) == 8) { 389 /* 8. bit mono */ 390 snd_es1688_write(chip, 0xb6, 0x80); 391 snd_es1688_write(chip, 0xb7, 0x51); 392 snd_es1688_write(chip, 0xb7, 0xd0); 393 } else { 394 /* 16. bit mono */ 395 snd_es1688_write(chip, 0xb6, 0x00); 396 snd_es1688_write(chip, 0xb7, 0x71); 397 snd_es1688_write(chip, 0xb7, 0xf4); 398 } 399 } else { 400 if (snd_pcm_format_width(runtime->format) == 8) { 401 /* 8. bit stereo */ 402 snd_es1688_write(chip, 0xb6, 0x80); 403 snd_es1688_write(chip, 0xb7, 0x51); 404 snd_es1688_write(chip, 0xb7, 0x98); 405 } else { 406 /* 16. bit stereo */ 407 snd_es1688_write(chip, 0xb6, 0x00); 408 snd_es1688_write(chip, 0xb7, 0x71); 409 snd_es1688_write(chip, 0xb7, 0xbc); 410 } 411 } 412 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50); 413 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50); 414 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKON); 415 spin_unlock_irqrestore(&chip->reg_lock, flags); 416 /* --- */ 417 count = -count; 418 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT); 419 spin_lock_irqsave(&chip->reg_lock, flags); 420 snd_es1688_write(chip, 0xa4, (unsigned char) count); 421 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8)); 422 spin_unlock_irqrestore(&chip->reg_lock, flags); 423 return 0; 424 } 425 426 static int snd_es1688_playback_trigger(struct snd_pcm_substream *substream, 427 int cmd) 428 { 429 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 430 return snd_es1688_trigger(chip, cmd, 0x05); 431 } 432 433 static int snd_es1688_capture_prepare(struct snd_pcm_substream *substream) 434 { 435 unsigned long flags; 436 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 437 struct snd_pcm_runtime *runtime = substream->runtime; 438 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 439 unsigned int count = snd_pcm_lib_period_bytes(substream); 440 441 chip->dma_size = size; 442 spin_lock_irqsave(&chip->reg_lock, flags); 443 snd_es1688_reset(chip); 444 snd_es1688_set_rate(chip, substream); 445 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKOFF); 446 snd_es1688_write(chip, 0xb8, 0x0e); /* auto init DMA mode */ 447 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels)); 448 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */ 449 if (runtime->channels == 1) { 450 if (snd_pcm_format_width(runtime->format) == 8) { 451 /* 8. bit mono */ 452 snd_es1688_write(chip, 0xb7, 0x51); 453 snd_es1688_write(chip, 0xb7, 0xd0); 454 } else { 455 /* 16. bit mono */ 456 snd_es1688_write(chip, 0xb7, 0x71); 457 snd_es1688_write(chip, 0xb7, 0xf4); 458 } 459 } else { 460 if (snd_pcm_format_width(runtime->format) == 8) { 461 /* 8. bit stereo */ 462 snd_es1688_write(chip, 0xb7, 0x51); 463 snd_es1688_write(chip, 0xb7, 0x98); 464 } else { 465 /* 16. bit stereo */ 466 snd_es1688_write(chip, 0xb7, 0x71); 467 snd_es1688_write(chip, 0xb7, 0xbc); 468 } 469 } 470 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50); 471 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50); 472 spin_unlock_irqrestore(&chip->reg_lock, flags); 473 /* --- */ 474 count = -count; 475 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT); 476 spin_lock_irqsave(&chip->reg_lock, flags); 477 snd_es1688_write(chip, 0xa4, (unsigned char) count); 478 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8)); 479 spin_unlock_irqrestore(&chip->reg_lock, flags); 480 return 0; 481 } 482 483 static int snd_es1688_capture_trigger(struct snd_pcm_substream *substream, 484 int cmd) 485 { 486 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 487 return snd_es1688_trigger(chip, cmd, 0x0f); 488 } 489 490 static irqreturn_t snd_es1688_interrupt(int irq, void *dev_id) 491 { 492 struct snd_es1688 *chip = dev_id; 493 494 if (chip->trigger_value == 0x05) /* ok.. playback is active */ 495 snd_pcm_period_elapsed(chip->playback_substream); 496 if (chip->trigger_value == 0x0f) /* ok.. capture is active */ 497 snd_pcm_period_elapsed(chip->capture_substream); 498 499 inb(ES1688P(chip, DATA_AVAIL)); /* ack interrupt */ 500 return IRQ_HANDLED; 501 } 502 503 static snd_pcm_uframes_t snd_es1688_playback_pointer(struct snd_pcm_substream *substream) 504 { 505 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 506 size_t ptr; 507 508 if (chip->trigger_value != 0x05) 509 return 0; 510 ptr = snd_dma_pointer(chip->dma8, chip->dma_size); 511 return bytes_to_frames(substream->runtime, ptr); 512 } 513 514 static snd_pcm_uframes_t snd_es1688_capture_pointer(struct snd_pcm_substream *substream) 515 { 516 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 517 size_t ptr; 518 519 if (chip->trigger_value != 0x0f) 520 return 0; 521 ptr = snd_dma_pointer(chip->dma8, chip->dma_size); 522 return bytes_to_frames(substream->runtime, ptr); 523 } 524 525 /* 526 527 */ 528 529 static struct snd_pcm_hardware snd_es1688_playback = 530 { 531 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 532 SNDRV_PCM_INFO_MMAP_VALID), 533 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 534 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 535 .rate_min = 4000, 536 .rate_max = 48000, 537 .channels_min = 1, 538 .channels_max = 2, 539 .buffer_bytes_max = 65536, 540 .period_bytes_min = 64, 541 .period_bytes_max = 65536, 542 .periods_min = 1, 543 .periods_max = 1024, 544 .fifo_size = 0, 545 }; 546 547 static struct snd_pcm_hardware snd_es1688_capture = 548 { 549 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 550 SNDRV_PCM_INFO_MMAP_VALID), 551 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 552 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 553 .rate_min = 4000, 554 .rate_max = 48000, 555 .channels_min = 1, 556 .channels_max = 2, 557 .buffer_bytes_max = 65536, 558 .period_bytes_min = 64, 559 .period_bytes_max = 65536, 560 .periods_min = 1, 561 .periods_max = 1024, 562 .fifo_size = 0, 563 }; 564 565 /* 566 567 */ 568 569 static int snd_es1688_playback_open(struct snd_pcm_substream *substream) 570 { 571 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 572 struct snd_pcm_runtime *runtime = substream->runtime; 573 574 if (chip->capture_substream != NULL) 575 return -EAGAIN; 576 chip->playback_substream = substream; 577 runtime->hw = snd_es1688_playback; 578 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 579 &hw_constraints_clocks); 580 return 0; 581 } 582 583 static int snd_es1688_capture_open(struct snd_pcm_substream *substream) 584 { 585 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 586 struct snd_pcm_runtime *runtime = substream->runtime; 587 588 if (chip->playback_substream != NULL) 589 return -EAGAIN; 590 chip->capture_substream = substream; 591 runtime->hw = snd_es1688_capture; 592 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 593 &hw_constraints_clocks); 594 return 0; 595 } 596 597 static int snd_es1688_playback_close(struct snd_pcm_substream *substream) 598 { 599 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 600 601 chip->playback_substream = NULL; 602 return 0; 603 } 604 605 static int snd_es1688_capture_close(struct snd_pcm_substream *substream) 606 { 607 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 608 609 chip->capture_substream = NULL; 610 return 0; 611 } 612 613 static int snd_es1688_free(struct snd_es1688 *chip) 614 { 615 if (chip->hardware != ES1688_HW_UNDEF) 616 snd_es1688_init(chip, 0); 617 release_and_free_resource(chip->res_port); 618 if (chip->irq >= 0) 619 free_irq(chip->irq, (void *) chip); 620 if (chip->dma8 >= 0) { 621 disable_dma(chip->dma8); 622 free_dma(chip->dma8); 623 } 624 return 0; 625 } 626 627 static int snd_es1688_dev_free(struct snd_device *device) 628 { 629 struct snd_es1688 *chip = device->device_data; 630 return snd_es1688_free(chip); 631 } 632 633 static const char *snd_es1688_chip_id(struct snd_es1688 *chip) 634 { 635 static char tmp[16]; 636 sprintf(tmp, "ES%s688 rev %i", chip->hardware == ES1688_HW_688 ? "" : "1", chip->version & 0x0f); 637 return tmp; 638 } 639 640 int snd_es1688_create(struct snd_card *card, 641 struct snd_es1688 *chip, 642 unsigned long port, 643 unsigned long mpu_port, 644 int irq, 645 int mpu_irq, 646 int dma8, 647 unsigned short hardware) 648 { 649 static struct snd_device_ops ops = { 650 .dev_free = snd_es1688_dev_free, 651 }; 652 653 int err; 654 655 if (chip == NULL) 656 return -ENOMEM; 657 chip->irq = -1; 658 chip->dma8 = -1; 659 chip->hardware = ES1688_HW_UNDEF; 660 661 chip->res_port = request_region(port + 4, 12, "ES1688"); 662 if (chip->res_port == NULL) { 663 snd_printk(KERN_ERR "es1688: can't grab port 0x%lx\n", port + 4); 664 err = -EBUSY; 665 goto exit; 666 } 667 668 err = request_irq(irq, snd_es1688_interrupt, 0, "ES1688", (void *) chip); 669 if (err < 0) { 670 snd_printk(KERN_ERR "es1688: can't grab IRQ %d\n", irq); 671 goto exit; 672 } 673 674 chip->irq = irq; 675 err = request_dma(dma8, "ES1688"); 676 677 if (err < 0) { 678 snd_printk(KERN_ERR "es1688: can't grab DMA8 %d\n", dma8); 679 goto exit; 680 } 681 chip->dma8 = dma8; 682 683 spin_lock_init(&chip->reg_lock); 684 spin_lock_init(&chip->mixer_lock); 685 chip->port = port; 686 mpu_port &= ~0x000f; 687 if (mpu_port < 0x300 || mpu_port > 0x330) 688 mpu_port = 0; 689 chip->mpu_port = mpu_port; 690 chip->mpu_irq = mpu_irq; 691 chip->hardware = hardware; 692 693 err = snd_es1688_probe(chip); 694 if (err < 0) 695 goto exit; 696 697 err = snd_es1688_init(chip, 1); 698 if (err < 0) 699 goto exit; 700 701 /* Register device */ 702 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); 703 exit: 704 if (err) 705 snd_es1688_free(chip); 706 return err; 707 } 708 709 static struct snd_pcm_ops snd_es1688_playback_ops = { 710 .open = snd_es1688_playback_open, 711 .close = snd_es1688_playback_close, 712 .ioctl = snd_es1688_ioctl, 713 .hw_params = snd_es1688_hw_params, 714 .hw_free = snd_es1688_hw_free, 715 .prepare = snd_es1688_playback_prepare, 716 .trigger = snd_es1688_playback_trigger, 717 .pointer = snd_es1688_playback_pointer, 718 }; 719 720 static struct snd_pcm_ops snd_es1688_capture_ops = { 721 .open = snd_es1688_capture_open, 722 .close = snd_es1688_capture_close, 723 .ioctl = snd_es1688_ioctl, 724 .hw_params = snd_es1688_hw_params, 725 .hw_free = snd_es1688_hw_free, 726 .prepare = snd_es1688_capture_prepare, 727 .trigger = snd_es1688_capture_trigger, 728 .pointer = snd_es1688_capture_pointer, 729 }; 730 731 int snd_es1688_pcm(struct snd_card *card, struct snd_es1688 *chip, int device) 732 { 733 struct snd_pcm *pcm; 734 int err; 735 736 err = snd_pcm_new(card, "ESx688", device, 1, 1, &pcm); 737 if (err < 0) 738 return err; 739 740 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es1688_playback_ops); 741 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es1688_capture_ops); 742 743 pcm->private_data = chip; 744 pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX; 745 strcpy(pcm->name, snd_es1688_chip_id(chip)); 746 chip->pcm = pcm; 747 748 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 749 snd_dma_isa_data(), 750 64*1024, 64*1024); 751 return 0; 752 } 753 754 /* 755 * MIXER part 756 */ 757 758 static int snd_es1688_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 759 { 760 static const char * const texts[8] = { 761 "Mic", "Mic Master", "CD", "AOUT", 762 "Mic1", "Mix", "Line", "Master" 763 }; 764 765 return snd_ctl_enum_info(uinfo, 1, 8, texts); 766 } 767 768 static int snd_es1688_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 769 { 770 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 771 ucontrol->value.enumerated.item[0] = snd_es1688_mixer_read(chip, ES1688_REC_DEV) & 7; 772 return 0; 773 } 774 775 static int snd_es1688_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 776 { 777 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 778 unsigned long flags; 779 unsigned char oval, nval; 780 int change; 781 782 if (ucontrol->value.enumerated.item[0] > 8) 783 return -EINVAL; 784 spin_lock_irqsave(&chip->reg_lock, flags); 785 oval = snd_es1688_mixer_read(chip, ES1688_REC_DEV); 786 nval = (ucontrol->value.enumerated.item[0] & 7) | (oval & ~15); 787 change = nval != oval; 788 if (change) 789 snd_es1688_mixer_write(chip, ES1688_REC_DEV, nval); 790 spin_unlock_irqrestore(&chip->reg_lock, flags); 791 return change; 792 } 793 794 #define ES1688_SINGLE(xname, xindex, reg, shift, mask, invert) \ 795 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 796 .info = snd_es1688_info_single, \ 797 .get = snd_es1688_get_single, .put = snd_es1688_put_single, \ 798 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } 799 800 static int snd_es1688_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 801 { 802 int mask = (kcontrol->private_value >> 16) & 0xff; 803 804 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 805 uinfo->count = 1; 806 uinfo->value.integer.min = 0; 807 uinfo->value.integer.max = mask; 808 return 0; 809 } 810 811 static int snd_es1688_get_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; 819 820 spin_lock_irqsave(&chip->reg_lock, flags); 821 ucontrol->value.integer.value[0] = (snd_es1688_mixer_read(chip, reg) >> shift) & mask; 822 spin_unlock_irqrestore(&chip->reg_lock, flags); 823 if (invert) 824 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 825 return 0; 826 } 827 828 static int snd_es1688_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 829 { 830 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 831 unsigned long flags; 832 int reg = kcontrol->private_value & 0xff; 833 int shift = (kcontrol->private_value >> 8) & 0xff; 834 int mask = (kcontrol->private_value >> 16) & 0xff; 835 int invert = (kcontrol->private_value >> 24) & 0xff; 836 int change; 837 unsigned char oval, nval; 838 839 nval = (ucontrol->value.integer.value[0] & mask); 840 if (invert) 841 nval = mask - nval; 842 nval <<= shift; 843 spin_lock_irqsave(&chip->reg_lock, flags); 844 oval = snd_es1688_mixer_read(chip, reg); 845 nval = (oval & ~(mask << shift)) | nval; 846 change = nval != oval; 847 if (change) 848 snd_es1688_mixer_write(chip, reg, nval); 849 spin_unlock_irqrestore(&chip->reg_lock, flags); 850 return change; 851 } 852 853 #define ES1688_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ 854 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 855 .info = snd_es1688_info_double, \ 856 .get = snd_es1688_get_double, .put = snd_es1688_put_double, \ 857 .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) } 858 859 static int snd_es1688_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 860 { 861 int mask = (kcontrol->private_value >> 24) & 0xff; 862 863 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 864 uinfo->count = 2; 865 uinfo->value.integer.min = 0; 866 uinfo->value.integer.max = mask; 867 return 0; 868 } 869 870 static int snd_es1688_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 871 { 872 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 873 unsigned long flags; 874 int left_reg = kcontrol->private_value & 0xff; 875 int right_reg = (kcontrol->private_value >> 8) & 0xff; 876 int shift_left = (kcontrol->private_value >> 16) & 0x07; 877 int shift_right = (kcontrol->private_value >> 19) & 0x07; 878 int mask = (kcontrol->private_value >> 24) & 0xff; 879 int invert = (kcontrol->private_value >> 22) & 1; 880 unsigned char left, right; 881 882 spin_lock_irqsave(&chip->reg_lock, flags); 883 if (left_reg < 0xa0) 884 left = snd_es1688_mixer_read(chip, left_reg); 885 else 886 left = snd_es1688_read(chip, left_reg); 887 if (left_reg != right_reg) { 888 if (right_reg < 0xa0) 889 right = snd_es1688_mixer_read(chip, right_reg); 890 else 891 right = snd_es1688_read(chip, right_reg); 892 } else 893 right = left; 894 spin_unlock_irqrestore(&chip->reg_lock, flags); 895 ucontrol->value.integer.value[0] = (left >> shift_left) & mask; 896 ucontrol->value.integer.value[1] = (right >> shift_right) & mask; 897 if (invert) { 898 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 899 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 900 } 901 return 0; 902 } 903 904 static int snd_es1688_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 905 { 906 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 907 unsigned long flags; 908 int left_reg = kcontrol->private_value & 0xff; 909 int right_reg = (kcontrol->private_value >> 8) & 0xff; 910 int shift_left = (kcontrol->private_value >> 16) & 0x07; 911 int shift_right = (kcontrol->private_value >> 19) & 0x07; 912 int mask = (kcontrol->private_value >> 24) & 0xff; 913 int invert = (kcontrol->private_value >> 22) & 1; 914 int change; 915 unsigned char val1, val2, oval1, oval2; 916 917 val1 = ucontrol->value.integer.value[0] & mask; 918 val2 = ucontrol->value.integer.value[1] & mask; 919 if (invert) { 920 val1 = mask - val1; 921 val2 = mask - val2; 922 } 923 val1 <<= shift_left; 924 val2 <<= shift_right; 925 spin_lock_irqsave(&chip->reg_lock, flags); 926 if (left_reg != right_reg) { 927 if (left_reg < 0xa0) 928 oval1 = snd_es1688_mixer_read(chip, left_reg); 929 else 930 oval1 = snd_es1688_read(chip, left_reg); 931 if (right_reg < 0xa0) 932 oval2 = snd_es1688_mixer_read(chip, right_reg); 933 else 934 oval2 = snd_es1688_read(chip, right_reg); 935 val1 = (oval1 & ~(mask << shift_left)) | val1; 936 val2 = (oval2 & ~(mask << shift_right)) | val2; 937 change = val1 != oval1 || val2 != oval2; 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 if (right_reg < 0xa0) 944 snd_es1688_mixer_write(chip, right_reg, val1); 945 else 946 snd_es1688_write(chip, right_reg, val1); 947 } 948 } else { 949 if (left_reg < 0xa0) 950 oval1 = snd_es1688_mixer_read(chip, left_reg); 951 else 952 oval1 = snd_es1688_read(chip, left_reg); 953 val1 = (oval1 & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2; 954 change = val1 != oval1; 955 if (change) { 956 if (left_reg < 0xa0) 957 snd_es1688_mixer_write(chip, left_reg, val1); 958 else 959 snd_es1688_write(chip, left_reg, val1); 960 } 961 962 } 963 spin_unlock_irqrestore(&chip->reg_lock, flags); 964 return change; 965 } 966 967 static struct snd_kcontrol_new snd_es1688_controls[] = { 968 ES1688_DOUBLE("Master Playback Volume", 0, ES1688_MASTER_DEV, ES1688_MASTER_DEV, 4, 0, 15, 0), 969 ES1688_DOUBLE("PCM Playback Volume", 0, ES1688_PCM_DEV, ES1688_PCM_DEV, 4, 0, 15, 0), 970 ES1688_DOUBLE("Line Playback Volume", 0, ES1688_LINE_DEV, ES1688_LINE_DEV, 4, 0, 15, 0), 971 ES1688_DOUBLE("CD Playback Volume", 0, ES1688_CD_DEV, ES1688_CD_DEV, 4, 0, 15, 0), 972 ES1688_DOUBLE("FM Playback Volume", 0, ES1688_FM_DEV, ES1688_FM_DEV, 4, 0, 15, 0), 973 ES1688_DOUBLE("Mic Playback Volume", 0, ES1688_MIC_DEV, ES1688_MIC_DEV, 4, 0, 15, 0), 974 ES1688_DOUBLE("Aux Playback Volume", 0, ES1688_AUX_DEV, ES1688_AUX_DEV, 4, 0, 15, 0), 975 ES1688_SINGLE("Beep Playback Volume", 0, ES1688_SPEAKER_DEV, 0, 7, 0), 976 ES1688_DOUBLE("Capture Volume", 0, ES1688_RECLEV_DEV, ES1688_RECLEV_DEV, 4, 0, 15, 0), 977 ES1688_SINGLE("Capture Switch", 0, ES1688_REC_DEV, 4, 1, 1), 978 { 979 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 980 .name = "Capture Source", 981 .info = snd_es1688_info_mux, 982 .get = snd_es1688_get_mux, 983 .put = snd_es1688_put_mux, 984 }, 985 }; 986 987 #define ES1688_INIT_TABLE_SIZE (sizeof(snd_es1688_init_table)/2) 988 989 static unsigned char snd_es1688_init_table[][2] = { 990 { ES1688_MASTER_DEV, 0 }, 991 { ES1688_PCM_DEV, 0 }, 992 { ES1688_LINE_DEV, 0 }, 993 { ES1688_CD_DEV, 0 }, 994 { ES1688_FM_DEV, 0 }, 995 { ES1688_MIC_DEV, 0 }, 996 { ES1688_AUX_DEV, 0 }, 997 { ES1688_SPEAKER_DEV, 0 }, 998 { ES1688_RECLEV_DEV, 0 }, 999 { ES1688_REC_DEV, 0x17 } 1000 }; 1001 1002 int snd_es1688_mixer(struct snd_card *card, struct snd_es1688 *chip) 1003 { 1004 unsigned int idx; 1005 int err; 1006 unsigned char reg, val; 1007 1008 if (snd_BUG_ON(!chip || !card)) 1009 return -EINVAL; 1010 1011 strcpy(card->mixername, snd_es1688_chip_id(chip)); 1012 1013 for (idx = 0; idx < ARRAY_SIZE(snd_es1688_controls); idx++) { 1014 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es1688_controls[idx], chip))) < 0) 1015 return err; 1016 } 1017 for (idx = 0; idx < ES1688_INIT_TABLE_SIZE; idx++) { 1018 reg = snd_es1688_init_table[idx][0]; 1019 val = snd_es1688_init_table[idx][1]; 1020 if (reg < 0xa0) 1021 snd_es1688_mixer_write(chip, reg, val); 1022 else 1023 snd_es1688_write(chip, reg, val); 1024 } 1025 return 0; 1026 } 1027 1028 EXPORT_SYMBOL(snd_es1688_mixer_write); 1029 EXPORT_SYMBOL(snd_es1688_create); 1030 EXPORT_SYMBOL(snd_es1688_pcm); 1031 EXPORT_SYMBOL(snd_es1688_mixer); 1032 1033 /* 1034 * INIT part 1035 */ 1036 1037 static int __init alsa_es1688_init(void) 1038 { 1039 return 0; 1040 } 1041 1042 static void __exit alsa_es1688_exit(void) 1043 { 1044 } 1045 1046 module_init(alsa_es1688_init) 1047 module_exit(alsa_es1688_exit) 1048