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 <sound/core.h> 28 #include <sound/es1688.h> 29 #include <sound/initval.h> 30 31 #include <asm/io.h> 32 #include <asm/dma.h> 33 34 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 35 MODULE_DESCRIPTION("ESS ESx688 lowlevel module"); 36 MODULE_LICENSE("GPL"); 37 38 static int snd_es1688_dsp_command(struct snd_es1688 *chip, unsigned char val) 39 { 40 int i; 41 42 for (i = 10000; i; i--) 43 if ((inb(ES1688P(chip, STATUS)) & 0x80) == 0) { 44 outb(val, ES1688P(chip, COMMAND)); 45 return 1; 46 } 47 #ifdef CONFIG_SND_DEBUG 48 printk("snd_es1688_dsp_command: timeout (0x%x)\n", val); 49 #endif 50 return 0; 51 } 52 53 static int snd_es1688_dsp_get_byte(struct snd_es1688 *chip) 54 { 55 int i; 56 57 for (i = 1000; i; i--) 58 if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80) 59 return inb(ES1688P(chip, READ)); 60 snd_printd("es1688 get byte failed: 0x%lx = 0x%x!!!\n", ES1688P(chip, DATA_AVAIL), inb(ES1688P(chip, DATA_AVAIL))); 61 return -ENODEV; 62 } 63 64 static int snd_es1688_write(struct snd_es1688 *chip, 65 unsigned char reg, unsigned char data) 66 { 67 if (!snd_es1688_dsp_command(chip, reg)) 68 return 0; 69 return snd_es1688_dsp_command(chip, data); 70 } 71 72 static int snd_es1688_read(struct snd_es1688 *chip, unsigned char reg) 73 { 74 /* Read a byte from an extended mode register of ES1688 */ 75 if (!snd_es1688_dsp_command(chip, 0xc0)) 76 return -1; 77 if (!snd_es1688_dsp_command(chip, reg)) 78 return -1; 79 return snd_es1688_dsp_get_byte(chip); 80 } 81 82 void snd_es1688_mixer_write(struct snd_es1688 *chip, 83 unsigned char reg, unsigned char data) 84 { 85 outb(reg, ES1688P(chip, MIXER_ADDR)); 86 udelay(10); 87 outb(data, ES1688P(chip, MIXER_DATA)); 88 udelay(10); 89 } 90 91 static unsigned char snd_es1688_mixer_read(struct snd_es1688 *chip, unsigned char reg) 92 { 93 unsigned char result; 94 95 outb(reg, ES1688P(chip, MIXER_ADDR)); 96 udelay(10); 97 result = inb(ES1688P(chip, MIXER_DATA)); 98 udelay(10); 99 return result; 100 } 101 102 static int snd_es1688_reset(struct snd_es1688 *chip) 103 { 104 int i; 105 106 outb(3, ES1688P(chip, RESET)); /* valid only for ESS chips, SB -> 1 */ 107 udelay(10); 108 outb(0, ES1688P(chip, RESET)); 109 udelay(30); 110 for (i = 0; i < 1000 && !(inb(ES1688P(chip, DATA_AVAIL)) & 0x80); i++); 111 if (inb(ES1688P(chip, READ)) != 0xaa) { 112 snd_printd("ess_reset at 0x%lx: failed!!!\n", chip->port); 113 return -ENODEV; 114 } 115 snd_es1688_dsp_command(chip, 0xc6); /* enable extended mode */ 116 return 0; 117 } 118 119 static int snd_es1688_probe(struct snd_es1688 *chip) 120 { 121 unsigned long flags; 122 unsigned short major, minor, hw; 123 int i; 124 125 /* 126 * initialization sequence 127 */ 128 129 spin_lock_irqsave(&chip->reg_lock, flags); /* Some ESS1688 cards need this */ 130 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 131 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 132 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 133 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ 134 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 135 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ 136 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 137 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 138 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ 139 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 140 inb(ES1688P(chip, ENABLE0)); /* ENABLE0 */ 141 142 if (snd_es1688_reset(chip) < 0) { 143 snd_printdd("ESS: [0x%lx] reset failed... 0x%x\n", chip->port, inb(ES1688P(chip, READ))); 144 spin_unlock_irqrestore(&chip->reg_lock, flags); 145 return -ENODEV; 146 } 147 snd_es1688_dsp_command(chip, 0xe7); /* return identification */ 148 149 for (i = 1000, major = minor = 0; i; i--) { 150 if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80) { 151 if (major == 0) { 152 major = inb(ES1688P(chip, READ)); 153 } else { 154 minor = inb(ES1688P(chip, READ)); 155 } 156 } 157 } 158 159 spin_unlock_irqrestore(&chip->reg_lock, flags); 160 161 snd_printdd("ESS: [0x%lx] found.. major = 0x%x, minor = 0x%x\n", chip->port, major, minor); 162 163 chip->version = (major << 8) | minor; 164 if (!chip->version) 165 return -ENODEV; /* probably SB */ 166 167 hw = ES1688_HW_AUTO; 168 switch (chip->version & 0xfff0) { 169 case 0x4880: 170 snd_printk("[0x%lx] ESS: AudioDrive ES488 detected, but driver is in another place\n", chip->port); 171 return -ENODEV; 172 case 0x6880: 173 hw = (chip->version & 0x0f) >= 8 ? ES1688_HW_1688 : ES1688_HW_688; 174 break; 175 default: 176 snd_printk("[0x%lx] ESS: unknown AudioDrive chip with version 0x%x (Jazz16 soundcard?)\n", chip->port, chip->version); 177 return -ENODEV; 178 } 179 180 spin_lock_irqsave(&chip->reg_lock, flags); 181 snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */ 182 snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */ 183 spin_unlock_irqrestore(&chip->reg_lock, flags); 184 185 /* enable joystick, but disable OPL3 */ 186 spin_lock_irqsave(&chip->mixer_lock, flags); 187 snd_es1688_mixer_write(chip, 0x40, 0x01); 188 spin_unlock_irqrestore(&chip->mixer_lock, flags); 189 190 return 0; 191 } 192 193 static int snd_es1688_init(struct snd_es1688 * chip, int enable) 194 { 195 static int irqs[16] = {-1, -1, 0, -1, -1, 1, -1, 2, -1, 0, 3, -1, -1, -1, -1, -1}; 196 unsigned long flags; 197 int cfg, irq_bits, dma, dma_bits, tmp, tmp1; 198 199 /* ok.. setup MPU-401 port and joystick and OPL3 */ 200 cfg = 0x01; /* enable joystick, but disable OPL3 */ 201 if (enable && chip->mpu_port >= 0x300 && chip->mpu_irq > 0 && chip->hardware != ES1688_HW_688) { 202 tmp = (chip->mpu_port & 0x0f0) >> 4; 203 if (tmp <= 3) { 204 switch (chip->mpu_irq) { 205 case 9: 206 tmp1 = 4; 207 break; 208 case 5: 209 tmp1 = 5; 210 break; 211 case 7: 212 tmp1 = 6; 213 break; 214 case 10: 215 tmp1 = 7; 216 break; 217 default: 218 tmp1 = 0; 219 } 220 if (tmp1) { 221 cfg |= (tmp << 3) | (tmp1 << 5); 222 } 223 } 224 } 225 #if 0 226 snd_printk("mpu cfg = 0x%x\n", cfg); 227 #endif 228 spin_lock_irqsave(&chip->reg_lock, flags); 229 snd_es1688_mixer_write(chip, 0x40, cfg); 230 spin_unlock_irqrestore(&chip->reg_lock, flags); 231 /* --- */ 232 spin_lock_irqsave(&chip->reg_lock, flags); 233 snd_es1688_read(chip, 0xb1); 234 snd_es1688_read(chip, 0xb2); 235 spin_unlock_irqrestore(&chip->reg_lock, flags); 236 if (enable) { 237 cfg = 0xf0; /* enable only DMA counter interrupt */ 238 irq_bits = irqs[chip->irq & 0x0f]; 239 if (irq_bits < 0) { 240 snd_printk("[0x%lx] ESS: bad IRQ %d for ES1688 chip!!\n", chip->port, chip->irq); 241 #if 0 242 irq_bits = 0; 243 cfg = 0x10; 244 #endif 245 return -EINVAL; 246 } 247 spin_lock_irqsave(&chip->reg_lock, flags); 248 snd_es1688_write(chip, 0xb1, cfg | (irq_bits << 2)); 249 spin_unlock_irqrestore(&chip->reg_lock, flags); 250 cfg = 0xf0; /* extended mode DMA enable */ 251 dma = chip->dma8; 252 if (dma > 3 || dma == 2) { 253 snd_printk("[0x%lx] ESS: bad DMA channel %d for ES1688 chip!!\n", chip->port, dma); 254 #if 0 255 dma_bits = 0; 256 cfg = 0x00; /* disable all DMA */ 257 #endif 258 return -EINVAL; 259 } else { 260 dma_bits = dma; 261 if (dma != 3) 262 dma_bits++; 263 } 264 spin_lock_irqsave(&chip->reg_lock, flags); 265 snd_es1688_write(chip, 0xb2, cfg | (dma_bits << 2)); 266 spin_unlock_irqrestore(&chip->reg_lock, flags); 267 } else { 268 spin_lock_irqsave(&chip->reg_lock, flags); 269 snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */ 270 snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */ 271 spin_unlock_irqrestore(&chip->reg_lock, flags); 272 } 273 spin_lock_irqsave(&chip->reg_lock, flags); 274 snd_es1688_read(chip, 0xb1); 275 snd_es1688_read(chip, 0xb2); 276 snd_es1688_reset(chip); 277 spin_unlock_irqrestore(&chip->reg_lock, flags); 278 return 0; 279 } 280 281 /* 282 283 */ 284 285 static struct snd_ratnum clocks[2] = { 286 { 287 .num = 795444, 288 .den_min = 1, 289 .den_max = 128, 290 .den_step = 1, 291 }, 292 { 293 .num = 397722, 294 .den_min = 1, 295 .den_max = 128, 296 .den_step = 1, 297 } 298 }; 299 300 static struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = { 301 .nrats = 2, 302 .rats = clocks, 303 }; 304 305 static void snd_es1688_set_rate(struct snd_es1688 *chip, struct snd_pcm_substream *substream) 306 { 307 struct snd_pcm_runtime *runtime = substream->runtime; 308 unsigned int bits, divider; 309 310 if (runtime->rate_num == clocks[0].num) 311 bits = 256 - runtime->rate_den; 312 else 313 bits = 128 - runtime->rate_den; 314 /* set filter register */ 315 divider = 256 - 7160000*20/(8*82*runtime->rate); 316 /* write result to hardware */ 317 snd_es1688_write(chip, 0xa1, bits); 318 snd_es1688_write(chip, 0xa2, divider); 319 } 320 321 static int snd_es1688_ioctl(struct snd_pcm_substream *substream, 322 unsigned int cmd, void *arg) 323 { 324 return snd_pcm_lib_ioctl(substream, cmd, arg); 325 } 326 327 static int snd_es1688_trigger(struct snd_es1688 *chip, int cmd, unsigned char value) 328 { 329 int val; 330 331 if (cmd == SNDRV_PCM_TRIGGER_STOP) { 332 value = 0x00; 333 } else if (cmd != SNDRV_PCM_TRIGGER_START) { 334 return -EINVAL; 335 } 336 spin_lock(&chip->reg_lock); 337 chip->trigger_value = value; 338 val = snd_es1688_read(chip, 0xb8); 339 if ((val < 0) || (val & 0x0f) == value) { 340 spin_unlock(&chip->reg_lock); 341 return -EINVAL; /* something is wrong */ 342 } 343 #if 0 344 printk("trigger: val = 0x%x, value = 0x%x\n", val, value); 345 printk("trigger: pointer = 0x%x\n", snd_dma_pointer(chip->dma8, chip->dma_size)); 346 #endif 347 snd_es1688_write(chip, 0xb8, (val & 0xf0) | value); 348 spin_unlock(&chip->reg_lock); 349 return 0; 350 } 351 352 static int snd_es1688_hw_params(struct snd_pcm_substream *substream, 353 struct snd_pcm_hw_params *hw_params) 354 { 355 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 356 } 357 358 static int snd_es1688_hw_free(struct snd_pcm_substream *substream) 359 { 360 return snd_pcm_lib_free_pages(substream); 361 } 362 363 static int snd_es1688_playback_prepare(struct snd_pcm_substream *substream) 364 { 365 unsigned long flags; 366 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 367 struct snd_pcm_runtime *runtime = substream->runtime; 368 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 369 unsigned int count = snd_pcm_lib_period_bytes(substream); 370 371 chip->dma_size = size; 372 spin_lock_irqsave(&chip->reg_lock, flags); 373 snd_es1688_reset(chip); 374 snd_es1688_set_rate(chip, substream); 375 snd_es1688_write(chip, 0xb8, 4); /* auto init DMA mode */ 376 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels)); 377 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */ 378 if (runtime->channels == 1) { 379 if (snd_pcm_format_width(runtime->format) == 8) { 380 /* 8. bit mono */ 381 snd_es1688_write(chip, 0xb6, 0x80); 382 snd_es1688_write(chip, 0xb7, 0x51); 383 snd_es1688_write(chip, 0xb7, 0xd0); 384 } else { 385 /* 16. bit mono */ 386 snd_es1688_write(chip, 0xb6, 0x00); 387 snd_es1688_write(chip, 0xb7, 0x71); 388 snd_es1688_write(chip, 0xb7, 0xf4); 389 } 390 } else { 391 if (snd_pcm_format_width(runtime->format) == 8) { 392 /* 8. bit stereo */ 393 snd_es1688_write(chip, 0xb6, 0x80); 394 snd_es1688_write(chip, 0xb7, 0x51); 395 snd_es1688_write(chip, 0xb7, 0x98); 396 } else { 397 /* 16. bit stereo */ 398 snd_es1688_write(chip, 0xb6, 0x00); 399 snd_es1688_write(chip, 0xb7, 0x71); 400 snd_es1688_write(chip, 0xb7, 0xbc); 401 } 402 } 403 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50); 404 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50); 405 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKON); 406 spin_unlock_irqrestore(&chip->reg_lock, flags); 407 /* --- */ 408 count = -count; 409 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT); 410 spin_lock_irqsave(&chip->reg_lock, flags); 411 snd_es1688_write(chip, 0xa4, (unsigned char) count); 412 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8)); 413 spin_unlock_irqrestore(&chip->reg_lock, flags); 414 return 0; 415 } 416 417 static int snd_es1688_playback_trigger(struct snd_pcm_substream *substream, 418 int cmd) 419 { 420 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 421 return snd_es1688_trigger(chip, cmd, 0x05); 422 } 423 424 static int snd_es1688_capture_prepare(struct snd_pcm_substream *substream) 425 { 426 unsigned long flags; 427 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 428 struct snd_pcm_runtime *runtime = substream->runtime; 429 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 430 unsigned int count = snd_pcm_lib_period_bytes(substream); 431 432 chip->dma_size = size; 433 spin_lock_irqsave(&chip->reg_lock, flags); 434 snd_es1688_reset(chip); 435 snd_es1688_set_rate(chip, substream); 436 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKOFF); 437 snd_es1688_write(chip, 0xb8, 0x0e); /* auto init DMA mode */ 438 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels)); 439 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */ 440 if (runtime->channels == 1) { 441 if (snd_pcm_format_width(runtime->format) == 8) { 442 /* 8. bit mono */ 443 snd_es1688_write(chip, 0xb7, 0x51); 444 snd_es1688_write(chip, 0xb7, 0xd0); 445 } else { 446 /* 16. bit mono */ 447 snd_es1688_write(chip, 0xb7, 0x71); 448 snd_es1688_write(chip, 0xb7, 0xf4); 449 } 450 } else { 451 if (snd_pcm_format_width(runtime->format) == 8) { 452 /* 8. bit stereo */ 453 snd_es1688_write(chip, 0xb7, 0x51); 454 snd_es1688_write(chip, 0xb7, 0x98); 455 } else { 456 /* 16. bit stereo */ 457 snd_es1688_write(chip, 0xb7, 0x71); 458 snd_es1688_write(chip, 0xb7, 0xbc); 459 } 460 } 461 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50); 462 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50); 463 spin_unlock_irqrestore(&chip->reg_lock, flags); 464 /* --- */ 465 count = -count; 466 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT); 467 spin_lock_irqsave(&chip->reg_lock, flags); 468 snd_es1688_write(chip, 0xa4, (unsigned char) count); 469 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8)); 470 spin_unlock_irqrestore(&chip->reg_lock, flags); 471 return 0; 472 } 473 474 static int snd_es1688_capture_trigger(struct snd_pcm_substream *substream, 475 int cmd) 476 { 477 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 478 return snd_es1688_trigger(chip, cmd, 0x0f); 479 } 480 481 static irqreturn_t snd_es1688_interrupt(int irq, void *dev_id) 482 { 483 struct snd_es1688 *chip = dev_id; 484 485 if (chip->trigger_value == 0x05) /* ok.. playback is active */ 486 snd_pcm_period_elapsed(chip->playback_substream); 487 if (chip->trigger_value == 0x0f) /* ok.. capture is active */ 488 snd_pcm_period_elapsed(chip->capture_substream); 489 490 inb(ES1688P(chip, DATA_AVAIL)); /* ack interrupt */ 491 return IRQ_HANDLED; 492 } 493 494 static snd_pcm_uframes_t snd_es1688_playback_pointer(struct snd_pcm_substream *substream) 495 { 496 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 497 size_t ptr; 498 499 if (chip->trigger_value != 0x05) 500 return 0; 501 ptr = snd_dma_pointer(chip->dma8, chip->dma_size); 502 return bytes_to_frames(substream->runtime, ptr); 503 } 504 505 static snd_pcm_uframes_t snd_es1688_capture_pointer(struct snd_pcm_substream *substream) 506 { 507 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 508 size_t ptr; 509 510 if (chip->trigger_value != 0x0f) 511 return 0; 512 ptr = snd_dma_pointer(chip->dma8, chip->dma_size); 513 return bytes_to_frames(substream->runtime, ptr); 514 } 515 516 /* 517 518 */ 519 520 static struct snd_pcm_hardware snd_es1688_playback = 521 { 522 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 523 SNDRV_PCM_INFO_MMAP_VALID), 524 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 525 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 526 .rate_min = 4000, 527 .rate_max = 48000, 528 .channels_min = 1, 529 .channels_max = 2, 530 .buffer_bytes_max = 65536, 531 .period_bytes_min = 64, 532 .period_bytes_max = 65536, 533 .periods_min = 1, 534 .periods_max = 1024, 535 .fifo_size = 0, 536 }; 537 538 static struct snd_pcm_hardware snd_es1688_capture = 539 { 540 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 541 SNDRV_PCM_INFO_MMAP_VALID), 542 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 543 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 544 .rate_min = 4000, 545 .rate_max = 48000, 546 .channels_min = 1, 547 .channels_max = 2, 548 .buffer_bytes_max = 65536, 549 .period_bytes_min = 64, 550 .period_bytes_max = 65536, 551 .periods_min = 1, 552 .periods_max = 1024, 553 .fifo_size = 0, 554 }; 555 556 /* 557 558 */ 559 560 static int snd_es1688_playback_open(struct snd_pcm_substream *substream) 561 { 562 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 563 struct snd_pcm_runtime *runtime = substream->runtime; 564 565 if (chip->capture_substream != NULL) 566 return -EAGAIN; 567 chip->playback_substream = substream; 568 runtime->hw = snd_es1688_playback; 569 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 570 &hw_constraints_clocks); 571 return 0; 572 } 573 574 static int snd_es1688_capture_open(struct snd_pcm_substream *substream) 575 { 576 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 577 struct snd_pcm_runtime *runtime = substream->runtime; 578 579 if (chip->playback_substream != NULL) 580 return -EAGAIN; 581 chip->capture_substream = substream; 582 runtime->hw = snd_es1688_capture; 583 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 584 &hw_constraints_clocks); 585 return 0; 586 } 587 588 static int snd_es1688_playback_close(struct snd_pcm_substream *substream) 589 { 590 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 591 592 chip->playback_substream = NULL; 593 return 0; 594 } 595 596 static int snd_es1688_capture_close(struct snd_pcm_substream *substream) 597 { 598 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 599 600 chip->capture_substream = NULL; 601 return 0; 602 } 603 604 static int snd_es1688_free(struct snd_es1688 *chip) 605 { 606 if (chip->res_port) { 607 snd_es1688_init(chip, 0); 608 release_and_free_resource(chip->res_port); 609 } 610 if (chip->irq >= 0) 611 free_irq(chip->irq, (void *) chip); 612 if (chip->dma8 >= 0) { 613 disable_dma(chip->dma8); 614 free_dma(chip->dma8); 615 } 616 kfree(chip); 617 return 0; 618 } 619 620 static int snd_es1688_dev_free(struct snd_device *device) 621 { 622 struct snd_es1688 *chip = device->device_data; 623 return snd_es1688_free(chip); 624 } 625 626 static const char *snd_es1688_chip_id(struct snd_es1688 *chip) 627 { 628 static char tmp[16]; 629 sprintf(tmp, "ES%s688 rev %i", chip->hardware == ES1688_HW_688 ? "" : "1", chip->version & 0x0f); 630 return tmp; 631 } 632 633 int snd_es1688_create(struct snd_card *card, 634 unsigned long port, 635 unsigned long mpu_port, 636 int irq, 637 int mpu_irq, 638 int dma8, 639 unsigned short hardware, 640 struct snd_es1688 **rchip) 641 { 642 static struct snd_device_ops ops = { 643 .dev_free = snd_es1688_dev_free, 644 }; 645 646 struct snd_es1688 *chip; 647 int err; 648 649 *rchip = NULL; 650 chip = kzalloc(sizeof(*chip), GFP_KERNEL); 651 if (chip == NULL) 652 return -ENOMEM; 653 chip->irq = -1; 654 chip->dma8 = -1; 655 656 if ((chip->res_port = request_region(port + 4, 12, "ES1688")) == NULL) { 657 snd_printk(KERN_ERR "es1688: can't grab port 0x%lx\n", port + 4); 658 snd_es1688_free(chip); 659 return -EBUSY; 660 } 661 if (request_irq(irq, snd_es1688_interrupt, IRQF_DISABLED, "ES1688", (void *) chip)) { 662 snd_printk(KERN_ERR "es1688: can't grab IRQ %d\n", irq); 663 snd_es1688_free(chip); 664 return -EBUSY; 665 } 666 chip->irq = irq; 667 if (request_dma(dma8, "ES1688")) { 668 snd_printk(KERN_ERR "es1688: can't grab DMA8 %d\n", dma8); 669 snd_es1688_free(chip); 670 return -EBUSY; 671 } 672 chip->dma8 = dma8; 673 674 spin_lock_init(&chip->reg_lock); 675 spin_lock_init(&chip->mixer_lock); 676 chip->card = card; 677 chip->port = port; 678 mpu_port &= ~0x000f; 679 if (mpu_port < 0x300 || mpu_port > 0x330) 680 mpu_port = 0; 681 chip->mpu_port = mpu_port; 682 chip->mpu_irq = mpu_irq; 683 chip->hardware = hardware; 684 685 if ((err = snd_es1688_probe(chip)) < 0) { 686 snd_es1688_free(chip); 687 return err; 688 } 689 if ((err = snd_es1688_init(chip, 1)) < 0) { 690 snd_es1688_free(chip); 691 return err; 692 } 693 694 /* Register device */ 695 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 696 snd_es1688_free(chip); 697 return err; 698 } 699 700 *rchip = chip; 701 return 0; 702 } 703 704 static struct snd_pcm_ops snd_es1688_playback_ops = { 705 .open = snd_es1688_playback_open, 706 .close = snd_es1688_playback_close, 707 .ioctl = snd_es1688_ioctl, 708 .hw_params = snd_es1688_hw_params, 709 .hw_free = snd_es1688_hw_free, 710 .prepare = snd_es1688_playback_prepare, 711 .trigger = snd_es1688_playback_trigger, 712 .pointer = snd_es1688_playback_pointer, 713 }; 714 715 static struct snd_pcm_ops snd_es1688_capture_ops = { 716 .open = snd_es1688_capture_open, 717 .close = snd_es1688_capture_close, 718 .ioctl = snd_es1688_ioctl, 719 .hw_params = snd_es1688_hw_params, 720 .hw_free = snd_es1688_hw_free, 721 .prepare = snd_es1688_capture_prepare, 722 .trigger = snd_es1688_capture_trigger, 723 .pointer = snd_es1688_capture_pointer, 724 }; 725 726 int snd_es1688_pcm(struct snd_es1688 * chip, int device, struct snd_pcm ** rpcm) 727 { 728 struct snd_pcm *pcm; 729 int err; 730 731 if ((err = snd_pcm_new(chip->card, "ESx688", device, 1, 1, &pcm)) < 0) 732 return err; 733 734 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es1688_playback_ops); 735 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es1688_capture_ops); 736 737 pcm->private_data = chip; 738 pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX; 739 sprintf(pcm->name, snd_es1688_chip_id(chip)); 740 chip->pcm = pcm; 741 742 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 743 snd_dma_isa_data(), 744 64*1024, 64*1024); 745 746 if (rpcm) 747 *rpcm = pcm; 748 return 0; 749 } 750 751 /* 752 * MIXER part 753 */ 754 755 static int snd_es1688_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 756 { 757 static char *texts[9] = { 758 "Mic", "Mic Master", "CD", "AOUT", 759 "Mic1", "Mix", "Line", "Master" 760 }; 761 762 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 763 uinfo->count = 1; 764 uinfo->value.enumerated.items = 8; 765 if (uinfo->value.enumerated.item > 7) 766 uinfo->value.enumerated.item = 7; 767 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 768 return 0; 769 } 770 771 static int snd_es1688_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 772 { 773 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 774 ucontrol->value.enumerated.item[0] = snd_es1688_mixer_read(chip, ES1688_REC_DEV) & 7; 775 return 0; 776 } 777 778 static int snd_es1688_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 779 { 780 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 781 unsigned long flags; 782 unsigned char oval, nval; 783 int change; 784 785 if (ucontrol->value.enumerated.item[0] > 8) 786 return -EINVAL; 787 spin_lock_irqsave(&chip->reg_lock, flags); 788 oval = snd_es1688_mixer_read(chip, ES1688_REC_DEV); 789 nval = (ucontrol->value.enumerated.item[0] & 7) | (oval & ~15); 790 change = nval != oval; 791 if (change) 792 snd_es1688_mixer_write(chip, ES1688_REC_DEV, nval); 793 spin_unlock_irqrestore(&chip->reg_lock, flags); 794 return change; 795 } 796 797 #define ES1688_SINGLE(xname, xindex, reg, shift, mask, invert) \ 798 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 799 .info = snd_es1688_info_single, \ 800 .get = snd_es1688_get_single, .put = snd_es1688_put_single, \ 801 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } 802 803 static int snd_es1688_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 804 { 805 int mask = (kcontrol->private_value >> 16) & 0xff; 806 807 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 808 uinfo->count = 1; 809 uinfo->value.integer.min = 0; 810 uinfo->value.integer.max = mask; 811 return 0; 812 } 813 814 static int snd_es1688_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 815 { 816 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 817 unsigned long flags; 818 int reg = kcontrol->private_value & 0xff; 819 int shift = (kcontrol->private_value >> 8) & 0xff; 820 int mask = (kcontrol->private_value >> 16) & 0xff; 821 int invert = (kcontrol->private_value >> 24) & 0xff; 822 823 spin_lock_irqsave(&chip->reg_lock, flags); 824 ucontrol->value.integer.value[0] = (snd_es1688_mixer_read(chip, reg) >> shift) & mask; 825 spin_unlock_irqrestore(&chip->reg_lock, flags); 826 if (invert) 827 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 828 return 0; 829 } 830 831 static int snd_es1688_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 832 { 833 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 834 unsigned long flags; 835 int reg = kcontrol->private_value & 0xff; 836 int shift = (kcontrol->private_value >> 8) & 0xff; 837 int mask = (kcontrol->private_value >> 16) & 0xff; 838 int invert = (kcontrol->private_value >> 24) & 0xff; 839 int change; 840 unsigned char oval, nval; 841 842 nval = (ucontrol->value.integer.value[0] & mask); 843 if (invert) 844 nval = mask - nval; 845 nval <<= shift; 846 spin_lock_irqsave(&chip->reg_lock, flags); 847 oval = snd_es1688_mixer_read(chip, reg); 848 nval = (oval & ~(mask << shift)) | nval; 849 change = nval != oval; 850 if (change) 851 snd_es1688_mixer_write(chip, reg, nval); 852 spin_unlock_irqrestore(&chip->reg_lock, flags); 853 return change; 854 } 855 856 #define ES1688_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ 857 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 858 .info = snd_es1688_info_double, \ 859 .get = snd_es1688_get_double, .put = snd_es1688_put_double, \ 860 .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) } 861 862 static int snd_es1688_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 863 { 864 int mask = (kcontrol->private_value >> 24) & 0xff; 865 866 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 867 uinfo->count = 2; 868 uinfo->value.integer.min = 0; 869 uinfo->value.integer.max = mask; 870 return 0; 871 } 872 873 static int snd_es1688_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 874 { 875 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 876 unsigned long flags; 877 int left_reg = kcontrol->private_value & 0xff; 878 int right_reg = (kcontrol->private_value >> 8) & 0xff; 879 int shift_left = (kcontrol->private_value >> 16) & 0x07; 880 int shift_right = (kcontrol->private_value >> 19) & 0x07; 881 int mask = (kcontrol->private_value >> 24) & 0xff; 882 int invert = (kcontrol->private_value >> 22) & 1; 883 unsigned char left, right; 884 885 spin_lock_irqsave(&chip->reg_lock, flags); 886 if (left_reg < 0xa0) 887 left = snd_es1688_mixer_read(chip, left_reg); 888 else 889 left = snd_es1688_read(chip, left_reg); 890 if (left_reg != right_reg) { 891 if (right_reg < 0xa0) 892 right = snd_es1688_mixer_read(chip, right_reg); 893 else 894 right = snd_es1688_read(chip, right_reg); 895 } else 896 right = left; 897 spin_unlock_irqrestore(&chip->reg_lock, flags); 898 ucontrol->value.integer.value[0] = (left >> shift_left) & mask; 899 ucontrol->value.integer.value[1] = (right >> shift_right) & mask; 900 if (invert) { 901 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 902 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 903 } 904 return 0; 905 } 906 907 static int snd_es1688_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 908 { 909 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 910 unsigned long flags; 911 int left_reg = kcontrol->private_value & 0xff; 912 int right_reg = (kcontrol->private_value >> 8) & 0xff; 913 int shift_left = (kcontrol->private_value >> 16) & 0x07; 914 int shift_right = (kcontrol->private_value >> 19) & 0x07; 915 int mask = (kcontrol->private_value >> 24) & 0xff; 916 int invert = (kcontrol->private_value >> 22) & 1; 917 int change; 918 unsigned char val1, val2, oval1, oval2; 919 920 val1 = ucontrol->value.integer.value[0] & mask; 921 val2 = ucontrol->value.integer.value[1] & mask; 922 if (invert) { 923 val1 = mask - val1; 924 val2 = mask - val2; 925 } 926 val1 <<= shift_left; 927 val2 <<= shift_right; 928 spin_lock_irqsave(&chip->reg_lock, flags); 929 if (left_reg != right_reg) { 930 if (left_reg < 0xa0) 931 oval1 = snd_es1688_mixer_read(chip, left_reg); 932 else 933 oval1 = snd_es1688_read(chip, left_reg); 934 if (right_reg < 0xa0) 935 oval2 = snd_es1688_mixer_read(chip, right_reg); 936 else 937 oval2 = snd_es1688_read(chip, right_reg); 938 val1 = (oval1 & ~(mask << shift_left)) | val1; 939 val2 = (oval2 & ~(mask << shift_right)) | val2; 940 change = val1 != oval1 || val2 != oval2; 941 if (change) { 942 if (left_reg < 0xa0) 943 snd_es1688_mixer_write(chip, left_reg, val1); 944 else 945 snd_es1688_write(chip, left_reg, val1); 946 if (right_reg < 0xa0) 947 snd_es1688_mixer_write(chip, right_reg, val1); 948 else 949 snd_es1688_write(chip, right_reg, val1); 950 } 951 } else { 952 if (left_reg < 0xa0) 953 oval1 = snd_es1688_mixer_read(chip, left_reg); 954 else 955 oval1 = snd_es1688_read(chip, left_reg); 956 val1 = (oval1 & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2; 957 change = val1 != oval1; 958 if (change) { 959 if (left_reg < 0xa0) 960 snd_es1688_mixer_write(chip, left_reg, val1); 961 else 962 snd_es1688_write(chip, left_reg, val1); 963 } 964 965 } 966 spin_unlock_irqrestore(&chip->reg_lock, flags); 967 return change; 968 } 969 970 static struct snd_kcontrol_new snd_es1688_controls[] = { 971 ES1688_DOUBLE("Master Playback Volume", 0, ES1688_MASTER_DEV, ES1688_MASTER_DEV, 4, 0, 15, 0), 972 ES1688_DOUBLE("PCM Playback Volume", 0, ES1688_PCM_DEV, ES1688_PCM_DEV, 4, 0, 15, 0), 973 ES1688_DOUBLE("Line Playback Volume", 0, ES1688_LINE_DEV, ES1688_LINE_DEV, 4, 0, 15, 0), 974 ES1688_DOUBLE("CD Playback Volume", 0, ES1688_CD_DEV, ES1688_CD_DEV, 4, 0, 15, 0), 975 ES1688_DOUBLE("FM Playback Volume", 0, ES1688_FM_DEV, ES1688_FM_DEV, 4, 0, 15, 0), 976 ES1688_DOUBLE("Mic Playback Volume", 0, ES1688_MIC_DEV, ES1688_MIC_DEV, 4, 0, 15, 0), 977 ES1688_DOUBLE("Aux Playback Volume", 0, ES1688_AUX_DEV, ES1688_AUX_DEV, 4, 0, 15, 0), 978 ES1688_SINGLE("PC Speaker Playback Volume", 0, ES1688_SPEAKER_DEV, 0, 7, 0), 979 ES1688_DOUBLE("Capture Volume", 0, ES1688_RECLEV_DEV, ES1688_RECLEV_DEV, 4, 0, 15, 0), 980 ES1688_SINGLE("Capture Switch", 0, ES1688_REC_DEV, 4, 1, 1), 981 { 982 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 983 .name = "Capture Source", 984 .info = snd_es1688_info_mux, 985 .get = snd_es1688_get_mux, 986 .put = snd_es1688_put_mux, 987 }, 988 }; 989 990 #define ES1688_INIT_TABLE_SIZE (sizeof(snd_es1688_init_table)/2) 991 992 static unsigned char snd_es1688_init_table[][2] = { 993 { ES1688_MASTER_DEV, 0 }, 994 { ES1688_PCM_DEV, 0 }, 995 { ES1688_LINE_DEV, 0 }, 996 { ES1688_CD_DEV, 0 }, 997 { ES1688_FM_DEV, 0 }, 998 { ES1688_MIC_DEV, 0 }, 999 { ES1688_AUX_DEV, 0 }, 1000 { ES1688_SPEAKER_DEV, 0 }, 1001 { ES1688_RECLEV_DEV, 0 }, 1002 { ES1688_REC_DEV, 0x17 } 1003 }; 1004 1005 int snd_es1688_mixer(struct snd_es1688 *chip) 1006 { 1007 struct snd_card *card; 1008 unsigned int idx; 1009 int err; 1010 unsigned char reg, val; 1011 1012 snd_assert(chip != NULL && chip->card != NULL, return -EINVAL); 1013 1014 card = chip->card; 1015 1016 strcpy(card->mixername, snd_es1688_chip_id(chip)); 1017 1018 for (idx = 0; idx < ARRAY_SIZE(snd_es1688_controls); idx++) { 1019 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es1688_controls[idx], chip))) < 0) 1020 return err; 1021 } 1022 for (idx = 0; idx < ES1688_INIT_TABLE_SIZE; idx++) { 1023 reg = snd_es1688_init_table[idx][0]; 1024 val = snd_es1688_init_table[idx][1]; 1025 if (reg < 0xa0) 1026 snd_es1688_mixer_write(chip, reg, val); 1027 else 1028 snd_es1688_write(chip, reg, val); 1029 } 1030 return 0; 1031 } 1032 1033 EXPORT_SYMBOL(snd_es1688_mixer_write); 1034 EXPORT_SYMBOL(snd_es1688_create); 1035 EXPORT_SYMBOL(snd_es1688_pcm); 1036 EXPORT_SYMBOL(snd_es1688_mixer); 1037 1038 /* 1039 * INIT part 1040 */ 1041 1042 static int __init alsa_es1688_init(void) 1043 { 1044 return 0; 1045 } 1046 1047 static void __exit alsa_es1688_exit(void) 1048 { 1049 } 1050 1051 module_init(alsa_es1688_init) 1052 module_exit(alsa_es1688_exit) 1053