1 /* 2 * Copyright (c) by Jaroslav Kysela <perex@suse.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 <sound/driver.h> 23 #include <linux/init.h> 24 #include <linux/interrupt.h> 25 #include <linux/delay.h> 26 #include <linux/slab.h> 27 #include <linux/ioport.h> 28 #include <sound/core.h> 29 #include <sound/es1688.h> 30 #include <sound/initval.h> 31 32 #include <asm/io.h> 33 #include <asm/dma.h> 34 35 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); 36 MODULE_DESCRIPTION("ESS ESx688 lowlevel module"); 37 MODULE_LICENSE("GPL"); 38 39 static int snd_es1688_dsp_command(es1688_t *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("snd_es1688_dsp_command: timeout (0x%x)\n", val); 50 #endif 51 return 0; 52 } 53 54 static int snd_es1688_dsp_get_byte(es1688_t *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(es1688_t *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(es1688_t *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(es1688_t *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(es1688_t *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 static int snd_es1688_reset(es1688_t *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 } 119 120 static int snd_es1688_probe(es1688_t *chip) 121 { 122 unsigned long flags; 123 unsigned short major, minor, hw; 124 int i; 125 126 /* 127 * initialization sequence 128 */ 129 130 spin_lock_irqsave(&chip->reg_lock, flags); /* Some ESS1688 cards need this */ 131 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 132 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 133 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 134 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ 135 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 136 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ 137 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 138 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 139 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ 140 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 141 inb(ES1688P(chip, ENABLE0)); /* ENABLE0 */ 142 143 if (snd_es1688_reset(chip) < 0) { 144 snd_printdd("ESS: [0x%lx] reset failed... 0x%x\n", chip->port, inb(ES1688P(chip, READ))); 145 spin_unlock_irqrestore(&chip->reg_lock, flags); 146 return -ENODEV; 147 } 148 snd_es1688_dsp_command(chip, 0xe7); /* return identification */ 149 150 for (i = 1000, major = minor = 0; i; i--) { 151 if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80) { 152 if (major == 0) { 153 major = inb(ES1688P(chip, READ)); 154 } else { 155 minor = inb(ES1688P(chip, READ)); 156 } 157 } 158 } 159 160 spin_unlock_irqrestore(&chip->reg_lock, flags); 161 162 snd_printdd("ESS: [0x%lx] found.. major = 0x%x, minor = 0x%x\n", chip->port, major, minor); 163 164 chip->version = (major << 8) | minor; 165 if (!chip->version) 166 return -ENODEV; /* probably SB */ 167 168 hw = ES1688_HW_AUTO; 169 switch (chip->version & 0xfff0) { 170 case 0x4880: 171 snd_printk("[0x%lx] ESS: AudioDrive ES488 detected, but driver is in another place\n", chip->port); 172 return -ENODEV; 173 case 0x6880: 174 hw = (chip->version & 0x0f) >= 8 ? ES1688_HW_1688 : ES1688_HW_688; 175 break; 176 default: 177 snd_printk("[0x%lx] ESS: unknown AudioDrive chip with version 0x%x (Jazz16 soundcard?)\n", chip->port, chip->version); 178 return -ENODEV; 179 } 180 181 spin_lock_irqsave(&chip->reg_lock, flags); 182 snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */ 183 snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */ 184 spin_unlock_irqrestore(&chip->reg_lock, flags); 185 186 /* enable joystick, but disable OPL3 */ 187 spin_lock_irqsave(&chip->mixer_lock, flags); 188 snd_es1688_mixer_write(chip, 0x40, 0x01); 189 spin_unlock_irqrestore(&chip->mixer_lock, flags); 190 191 return 0; 192 } 193 194 static int snd_es1688_init(es1688_t * chip, int enable) 195 { 196 static int irqs[16] = {-1, -1, 0, -1, -1, 1, -1, 2, -1, 0, 3, -1, -1, -1, -1, -1}; 197 unsigned long flags; 198 int cfg, irq_bits, dma, dma_bits, tmp, tmp1; 199 200 /* ok.. setup MPU-401 port and joystick and OPL3 */ 201 cfg = 0x01; /* enable joystick, but disable OPL3 */ 202 if (enable && chip->mpu_port >= 0x300 && chip->mpu_irq > 0 && chip->hardware != ES1688_HW_688) { 203 tmp = (chip->mpu_port & 0x0f0) >> 4; 204 if (tmp <= 3) { 205 switch (chip->mpu_irq) { 206 case 9: 207 tmp1 = 4; 208 break; 209 case 5: 210 tmp1 = 5; 211 break; 212 case 7: 213 tmp1 = 6; 214 break; 215 case 10: 216 tmp1 = 7; 217 break; 218 default: 219 tmp1 = 0; 220 } 221 if (tmp1) { 222 cfg |= (tmp << 3) | (tmp1 << 5); 223 } 224 } 225 } 226 #if 0 227 snd_printk("mpu cfg = 0x%x\n", cfg); 228 #endif 229 spin_lock_irqsave(&chip->reg_lock, flags); 230 snd_es1688_mixer_write(chip, 0x40, cfg); 231 spin_unlock_irqrestore(&chip->reg_lock, flags); 232 /* --- */ 233 spin_lock_irqsave(&chip->reg_lock, flags); 234 snd_es1688_read(chip, 0xb1); 235 snd_es1688_read(chip, 0xb2); 236 spin_unlock_irqrestore(&chip->reg_lock, flags); 237 if (enable) { 238 cfg = 0xf0; /* enable only DMA counter interrupt */ 239 irq_bits = irqs[chip->irq & 0x0f]; 240 if (irq_bits < 0) { 241 snd_printk("[0x%lx] ESS: bad IRQ %d for ES1688 chip!!\n", chip->port, chip->irq); 242 #if 0 243 irq_bits = 0; 244 cfg = 0x10; 245 #endif 246 return -EINVAL; 247 } 248 spin_lock_irqsave(&chip->reg_lock, flags); 249 snd_es1688_write(chip, 0xb1, cfg | (irq_bits << 2)); 250 spin_unlock_irqrestore(&chip->reg_lock, flags); 251 cfg = 0xf0; /* extended mode DMA enable */ 252 dma = chip->dma8; 253 if (dma > 3 || dma == 2) { 254 snd_printk("[0x%lx] ESS: bad DMA channel %d for ES1688 chip!!\n", chip->port, dma); 255 #if 0 256 dma_bits = 0; 257 cfg = 0x00; /* disable all DMA */ 258 #endif 259 return -EINVAL; 260 } else { 261 dma_bits = dma; 262 if (dma != 3) 263 dma_bits++; 264 } 265 spin_lock_irqsave(&chip->reg_lock, flags); 266 snd_es1688_write(chip, 0xb2, cfg | (dma_bits << 2)); 267 spin_unlock_irqrestore(&chip->reg_lock, flags); 268 } else { 269 spin_lock_irqsave(&chip->reg_lock, flags); 270 snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */ 271 snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */ 272 spin_unlock_irqrestore(&chip->reg_lock, flags); 273 } 274 spin_lock_irqsave(&chip->reg_lock, flags); 275 snd_es1688_read(chip, 0xb1); 276 snd_es1688_read(chip, 0xb2); 277 snd_es1688_reset(chip); 278 spin_unlock_irqrestore(&chip->reg_lock, flags); 279 return 0; 280 } 281 282 /* 283 284 */ 285 286 static ratnum_t clocks[2] = { 287 { 288 .num = 795444, 289 .den_min = 1, 290 .den_max = 128, 291 .den_step = 1, 292 }, 293 { 294 .num = 397722, 295 .den_min = 1, 296 .den_max = 128, 297 .den_step = 1, 298 } 299 }; 300 301 static snd_pcm_hw_constraint_ratnums_t hw_constraints_clocks = { 302 .nrats = 2, 303 .rats = clocks, 304 }; 305 306 static void snd_es1688_set_rate(es1688_t *chip, snd_pcm_substream_t *substream) 307 { 308 snd_pcm_runtime_t *runtime = substream->runtime; 309 unsigned int bits, divider; 310 311 if (runtime->rate_num == clocks[0].num) 312 bits = 256 - runtime->rate_den; 313 else 314 bits = 128 - runtime->rate_den; 315 /* set filter register */ 316 divider = 256 - 7160000*20/(8*82*runtime->rate); 317 /* write result to hardware */ 318 snd_es1688_write(chip, 0xa1, bits); 319 snd_es1688_write(chip, 0xa2, divider); 320 } 321 322 static int snd_es1688_ioctl(snd_pcm_substream_t * substream, 323 unsigned int cmd, void *arg) 324 { 325 return snd_pcm_lib_ioctl(substream, cmd, arg); 326 } 327 328 static int snd_es1688_trigger(es1688_t *chip, int cmd, unsigned char value) 329 { 330 int val; 331 332 if (cmd == SNDRV_PCM_TRIGGER_STOP) { 333 value = 0x00; 334 } else if (cmd != SNDRV_PCM_TRIGGER_START) { 335 return -EINVAL; 336 } 337 spin_lock(&chip->reg_lock); 338 chip->trigger_value = value; 339 val = snd_es1688_read(chip, 0xb8); 340 if ((val < 0) || (val & 0x0f) == value) { 341 spin_unlock(&chip->reg_lock); 342 return -EINVAL; /* something is wrong */ 343 } 344 #if 0 345 printk("trigger: val = 0x%x, value = 0x%x\n", val, value); 346 printk("trigger: pointer = 0x%x\n", snd_dma_pointer(chip->dma8, chip->dma_size)); 347 #endif 348 snd_es1688_write(chip, 0xb8, (val & 0xf0) | value); 349 spin_unlock(&chip->reg_lock); 350 return 0; 351 } 352 353 static int snd_es1688_hw_params(snd_pcm_substream_t * substream, 354 snd_pcm_hw_params_t * hw_params) 355 { 356 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 357 } 358 359 static int snd_es1688_hw_free(snd_pcm_substream_t * substream) 360 { 361 return snd_pcm_lib_free_pages(substream); 362 } 363 364 static int snd_es1688_playback_prepare(snd_pcm_substream_t * substream) 365 { 366 unsigned long flags; 367 es1688_t *chip = snd_pcm_substream_chip(substream); 368 snd_pcm_runtime_t *runtime = substream->runtime; 369 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 370 unsigned int count = snd_pcm_lib_period_bytes(substream); 371 372 chip->dma_size = size; 373 spin_lock_irqsave(&chip->reg_lock, flags); 374 snd_es1688_reset(chip); 375 snd_es1688_set_rate(chip, substream); 376 snd_es1688_write(chip, 0xb8, 4); /* auto init DMA mode */ 377 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels)); 378 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */ 379 if (runtime->channels == 1) { 380 if (snd_pcm_format_width(runtime->format) == 8) { 381 /* 8. bit mono */ 382 snd_es1688_write(chip, 0xb6, 0x80); 383 snd_es1688_write(chip, 0xb7, 0x51); 384 snd_es1688_write(chip, 0xb7, 0xd0); 385 } else { 386 /* 16. bit mono */ 387 snd_es1688_write(chip, 0xb6, 0x00); 388 snd_es1688_write(chip, 0xb7, 0x71); 389 snd_es1688_write(chip, 0xb7, 0xf4); 390 } 391 } else { 392 if (snd_pcm_format_width(runtime->format) == 8) { 393 /* 8. bit stereo */ 394 snd_es1688_write(chip, 0xb6, 0x80); 395 snd_es1688_write(chip, 0xb7, 0x51); 396 snd_es1688_write(chip, 0xb7, 0x98); 397 } else { 398 /* 16. bit stereo */ 399 snd_es1688_write(chip, 0xb6, 0x00); 400 snd_es1688_write(chip, 0xb7, 0x71); 401 snd_es1688_write(chip, 0xb7, 0xbc); 402 } 403 } 404 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50); 405 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50); 406 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKON); 407 spin_unlock_irqrestore(&chip->reg_lock, flags); 408 /* --- */ 409 count = -count; 410 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT); 411 spin_lock_irqsave(&chip->reg_lock, flags); 412 snd_es1688_write(chip, 0xa4, (unsigned char) count); 413 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8)); 414 spin_unlock_irqrestore(&chip->reg_lock, flags); 415 return 0; 416 } 417 418 static int snd_es1688_playback_trigger(snd_pcm_substream_t * substream, 419 int cmd) 420 { 421 es1688_t *chip = snd_pcm_substream_chip(substream); 422 return snd_es1688_trigger(chip, cmd, 0x05); 423 } 424 425 static int snd_es1688_capture_prepare(snd_pcm_substream_t * substream) 426 { 427 unsigned long flags; 428 es1688_t *chip = snd_pcm_substream_chip(substream); 429 snd_pcm_runtime_t *runtime = substream->runtime; 430 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 431 unsigned int count = snd_pcm_lib_period_bytes(substream); 432 433 chip->dma_size = size; 434 spin_lock_irqsave(&chip->reg_lock, flags); 435 snd_es1688_reset(chip); 436 snd_es1688_set_rate(chip, substream); 437 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKOFF); 438 snd_es1688_write(chip, 0xb8, 0x0e); /* auto init DMA mode */ 439 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels)); 440 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */ 441 if (runtime->channels == 1) { 442 if (snd_pcm_format_width(runtime->format) == 8) { 443 /* 8. bit mono */ 444 snd_es1688_write(chip, 0xb7, 0x51); 445 snd_es1688_write(chip, 0xb7, 0xd0); 446 } else { 447 /* 16. bit mono */ 448 snd_es1688_write(chip, 0xb7, 0x71); 449 snd_es1688_write(chip, 0xb7, 0xf4); 450 } 451 } else { 452 if (snd_pcm_format_width(runtime->format) == 8) { 453 /* 8. bit stereo */ 454 snd_es1688_write(chip, 0xb7, 0x51); 455 snd_es1688_write(chip, 0xb7, 0x98); 456 } else { 457 /* 16. bit stereo */ 458 snd_es1688_write(chip, 0xb7, 0x71); 459 snd_es1688_write(chip, 0xb7, 0xbc); 460 } 461 } 462 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50); 463 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50); 464 spin_unlock_irqrestore(&chip->reg_lock, flags); 465 /* --- */ 466 count = -count; 467 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT); 468 spin_lock_irqsave(&chip->reg_lock, flags); 469 snd_es1688_write(chip, 0xa4, (unsigned char) count); 470 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8)); 471 spin_unlock_irqrestore(&chip->reg_lock, flags); 472 return 0; 473 } 474 475 static int snd_es1688_capture_trigger(snd_pcm_substream_t * substream, 476 int cmd) 477 { 478 es1688_t *chip = snd_pcm_substream_chip(substream); 479 return snd_es1688_trigger(chip, cmd, 0x0f); 480 } 481 482 static irqreturn_t snd_es1688_interrupt(int irq, void *dev_id, struct pt_regs *regs) 483 { 484 es1688_t *chip = dev_id; 485 486 if (chip->trigger_value == 0x05) /* ok.. playback is active */ 487 snd_pcm_period_elapsed(chip->playback_substream); 488 if (chip->trigger_value == 0x0f) /* ok.. capture is active */ 489 snd_pcm_period_elapsed(chip->capture_substream); 490 491 inb(ES1688P(chip, DATA_AVAIL)); /* ack interrupt */ 492 return IRQ_HANDLED; 493 } 494 495 static snd_pcm_uframes_t snd_es1688_playback_pointer(snd_pcm_substream_t * substream) 496 { 497 es1688_t *chip = snd_pcm_substream_chip(substream); 498 size_t ptr; 499 500 if (chip->trigger_value != 0x05) 501 return 0; 502 ptr = snd_dma_pointer(chip->dma8, chip->dma_size); 503 return bytes_to_frames(substream->runtime, ptr); 504 } 505 506 static snd_pcm_uframes_t snd_es1688_capture_pointer(snd_pcm_substream_t * substream) 507 { 508 es1688_t *chip = snd_pcm_substream_chip(substream); 509 size_t ptr; 510 511 if (chip->trigger_value != 0x0f) 512 return 0; 513 ptr = snd_dma_pointer(chip->dma8, chip->dma_size); 514 return bytes_to_frames(substream->runtime, ptr); 515 } 516 517 /* 518 519 */ 520 521 static snd_pcm_hardware_t snd_es1688_playback = 522 { 523 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 524 SNDRV_PCM_INFO_MMAP_VALID), 525 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 526 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 527 .rate_min = 4000, 528 .rate_max = 48000, 529 .channels_min = 1, 530 .channels_max = 2, 531 .buffer_bytes_max = 65536, 532 .period_bytes_min = 64, 533 .period_bytes_max = 65536, 534 .periods_min = 1, 535 .periods_max = 1024, 536 .fifo_size = 0, 537 }; 538 539 static snd_pcm_hardware_t snd_es1688_capture = 540 { 541 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 542 SNDRV_PCM_INFO_MMAP_VALID), 543 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 544 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 545 .rate_min = 4000, 546 .rate_max = 48000, 547 .channels_min = 1, 548 .channels_max = 2, 549 .buffer_bytes_max = 65536, 550 .period_bytes_min = 64, 551 .period_bytes_max = 65536, 552 .periods_min = 1, 553 .periods_max = 1024, 554 .fifo_size = 0, 555 }; 556 557 /* 558 559 */ 560 561 static int snd_es1688_playback_open(snd_pcm_substream_t * substream) 562 { 563 es1688_t *chip = snd_pcm_substream_chip(substream); 564 snd_pcm_runtime_t *runtime = substream->runtime; 565 566 if (chip->capture_substream != NULL) 567 return -EAGAIN; 568 chip->playback_substream = substream; 569 runtime->hw = snd_es1688_playback; 570 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 571 &hw_constraints_clocks); 572 return 0; 573 } 574 575 static int snd_es1688_capture_open(snd_pcm_substream_t * substream) 576 { 577 es1688_t *chip = snd_pcm_substream_chip(substream); 578 snd_pcm_runtime_t *runtime = substream->runtime; 579 580 if (chip->playback_substream != NULL) 581 return -EAGAIN; 582 chip->capture_substream = substream; 583 runtime->hw = snd_es1688_capture; 584 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 585 &hw_constraints_clocks); 586 return 0; 587 } 588 589 static int snd_es1688_playback_close(snd_pcm_substream_t * substream) 590 { 591 es1688_t *chip = snd_pcm_substream_chip(substream); 592 593 chip->playback_substream = NULL; 594 return 0; 595 } 596 597 static int snd_es1688_capture_close(snd_pcm_substream_t * substream) 598 { 599 es1688_t *chip = snd_pcm_substream_chip(substream); 600 601 chip->capture_substream = NULL; 602 return 0; 603 } 604 605 static int snd_es1688_free(es1688_t *chip) 606 { 607 if (chip->res_port) { 608 snd_es1688_init(chip, 0); 609 release_and_free_resource(chip->res_port); 610 } 611 if (chip->irq >= 0) 612 free_irq(chip->irq, (void *) chip); 613 if (chip->dma8 >= 0) { 614 disable_dma(chip->dma8); 615 free_dma(chip->dma8); 616 } 617 kfree(chip); 618 return 0; 619 } 620 621 static int snd_es1688_dev_free(snd_device_t *device) 622 { 623 es1688_t *chip = device->device_data; 624 return snd_es1688_free(chip); 625 } 626 627 static const char *snd_es1688_chip_id(es1688_t *chip) 628 { 629 static char tmp[16]; 630 sprintf(tmp, "ES%s688 rev %i", chip->hardware == ES1688_HW_688 ? "" : "1", chip->version & 0x0f); 631 return tmp; 632 } 633 634 int snd_es1688_create(snd_card_t * card, 635 unsigned long port, 636 unsigned long mpu_port, 637 int irq, 638 int mpu_irq, 639 int dma8, 640 unsigned short hardware, 641 es1688_t **rchip) 642 { 643 static snd_device_ops_t ops = { 644 .dev_free = snd_es1688_dev_free, 645 }; 646 647 es1688_t *chip; 648 int err; 649 650 *rchip = NULL; 651 chip = kzalloc(sizeof(*chip), GFP_KERNEL); 652 if (chip == NULL) 653 return -ENOMEM; 654 chip->irq = -1; 655 chip->dma8 = -1; 656 657 if ((chip->res_port = request_region(port + 4, 12, "ES1688")) == NULL) { 658 snd_printk(KERN_ERR "es1688: can't grab port 0x%lx\n", port + 4); 659 snd_es1688_free(chip); 660 return -EBUSY; 661 } 662 if (request_irq(irq, snd_es1688_interrupt, SA_INTERRUPT, "ES1688", (void *) chip)) { 663 snd_printk(KERN_ERR "es1688: can't grab IRQ %d\n", irq); 664 snd_es1688_free(chip); 665 return -EBUSY; 666 } 667 chip->irq = irq; 668 if (request_dma(dma8, "ES1688")) { 669 snd_printk(KERN_ERR "es1688: can't grab DMA8 %d\n", dma8); 670 snd_es1688_free(chip); 671 return -EBUSY; 672 } 673 chip->dma8 = dma8; 674 675 spin_lock_init(&chip->reg_lock); 676 spin_lock_init(&chip->mixer_lock); 677 chip->card = card; 678 chip->port = port; 679 mpu_port &= ~0x000f; 680 if (mpu_port < 0x300 || mpu_port > 0x330) 681 mpu_port = 0; 682 chip->mpu_port = mpu_port; 683 chip->mpu_irq = mpu_irq; 684 chip->hardware = hardware; 685 686 if ((err = snd_es1688_probe(chip)) < 0) { 687 snd_es1688_free(chip); 688 return err; 689 } 690 if ((err = snd_es1688_init(chip, 1)) < 0) { 691 snd_es1688_free(chip); 692 return err; 693 } 694 695 /* Register device */ 696 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 697 snd_es1688_free(chip); 698 return err; 699 } 700 701 *rchip = chip; 702 return 0; 703 } 704 705 static snd_pcm_ops_t snd_es1688_playback_ops = { 706 .open = snd_es1688_playback_open, 707 .close = snd_es1688_playback_close, 708 .ioctl = snd_es1688_ioctl, 709 .hw_params = snd_es1688_hw_params, 710 .hw_free = snd_es1688_hw_free, 711 .prepare = snd_es1688_playback_prepare, 712 .trigger = snd_es1688_playback_trigger, 713 .pointer = snd_es1688_playback_pointer, 714 }; 715 716 static snd_pcm_ops_t snd_es1688_capture_ops = { 717 .open = snd_es1688_capture_open, 718 .close = snd_es1688_capture_close, 719 .ioctl = snd_es1688_ioctl, 720 .hw_params = snd_es1688_hw_params, 721 .hw_free = snd_es1688_hw_free, 722 .prepare = snd_es1688_capture_prepare, 723 .trigger = snd_es1688_capture_trigger, 724 .pointer = snd_es1688_capture_pointer, 725 }; 726 727 static void snd_es1688_pcm_free(snd_pcm_t *pcm) 728 { 729 es1688_t *chip = pcm->private_data; 730 chip->pcm = NULL; 731 snd_pcm_lib_preallocate_free_for_all(pcm); 732 } 733 734 int snd_es1688_pcm(es1688_t * chip, int device, snd_pcm_t ** rpcm) 735 { 736 snd_pcm_t *pcm; 737 int err; 738 739 if ((err = snd_pcm_new(chip->card, "ESx688", device, 1, 1, &pcm)) < 0) 740 return err; 741 742 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es1688_playback_ops); 743 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es1688_capture_ops); 744 745 pcm->private_data = chip; 746 pcm->private_free = snd_es1688_pcm_free; 747 pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX; 748 sprintf(pcm->name, snd_es1688_chip_id(chip)); 749 chip->pcm = pcm; 750 751 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 752 snd_dma_isa_data(), 753 64*1024, 64*1024); 754 755 if (rpcm) 756 *rpcm = pcm; 757 return 0; 758 } 759 760 /* 761 * MIXER part 762 */ 763 764 static int snd_es1688_info_mux(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 765 { 766 static char *texts[9] = { 767 "Mic", "Mic Master", "CD", "AOUT", 768 "Mic1", "Mix", "Line", "Master" 769 }; 770 771 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 772 uinfo->count = 1; 773 uinfo->value.enumerated.items = 8; 774 if (uinfo->value.enumerated.item > 7) 775 uinfo->value.enumerated.item = 7; 776 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 777 return 0; 778 } 779 780 static int snd_es1688_get_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 781 { 782 es1688_t *chip = snd_kcontrol_chip(kcontrol); 783 ucontrol->value.enumerated.item[0] = snd_es1688_mixer_read(chip, ES1688_REC_DEV) & 7; 784 return 0; 785 } 786 787 static int snd_es1688_put_mux(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 788 { 789 es1688_t *chip = snd_kcontrol_chip(kcontrol); 790 unsigned long flags; 791 unsigned char oval, nval; 792 int change; 793 794 if (ucontrol->value.enumerated.item[0] > 8) 795 return -EINVAL; 796 spin_lock_irqsave(&chip->reg_lock, flags); 797 oval = snd_es1688_mixer_read(chip, ES1688_REC_DEV); 798 nval = (ucontrol->value.enumerated.item[0] & 7) | (oval & ~15); 799 change = nval != oval; 800 if (change) 801 snd_es1688_mixer_write(chip, ES1688_REC_DEV, nval); 802 spin_unlock_irqrestore(&chip->reg_lock, flags); 803 return change; 804 } 805 806 #define ES1688_SINGLE(xname, xindex, reg, shift, mask, invert) \ 807 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 808 .info = snd_es1688_info_single, \ 809 .get = snd_es1688_get_single, .put = snd_es1688_put_single, \ 810 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } 811 812 static int snd_es1688_info_single(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 813 { 814 int mask = (kcontrol->private_value >> 16) & 0xff; 815 816 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 817 uinfo->count = 1; 818 uinfo->value.integer.min = 0; 819 uinfo->value.integer.max = mask; 820 return 0; 821 } 822 823 static int snd_es1688_get_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 824 { 825 es1688_t *chip = snd_kcontrol_chip(kcontrol); 826 unsigned long flags; 827 int reg = kcontrol->private_value & 0xff; 828 int shift = (kcontrol->private_value >> 8) & 0xff; 829 int mask = (kcontrol->private_value >> 16) & 0xff; 830 int invert = (kcontrol->private_value >> 24) & 0xff; 831 832 spin_lock_irqsave(&chip->reg_lock, flags); 833 ucontrol->value.integer.value[0] = (snd_es1688_mixer_read(chip, reg) >> shift) & mask; 834 spin_unlock_irqrestore(&chip->reg_lock, flags); 835 if (invert) 836 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 837 return 0; 838 } 839 840 static int snd_es1688_put_single(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 841 { 842 es1688_t *chip = snd_kcontrol_chip(kcontrol); 843 unsigned long flags; 844 int reg = kcontrol->private_value & 0xff; 845 int shift = (kcontrol->private_value >> 8) & 0xff; 846 int mask = (kcontrol->private_value >> 16) & 0xff; 847 int invert = (kcontrol->private_value >> 24) & 0xff; 848 int change; 849 unsigned char oval, nval; 850 851 nval = (ucontrol->value.integer.value[0] & mask); 852 if (invert) 853 nval = mask - nval; 854 nval <<= shift; 855 spin_lock_irqsave(&chip->reg_lock, flags); 856 oval = snd_es1688_mixer_read(chip, reg); 857 nval = (oval & ~(mask << shift)) | nval; 858 change = nval != oval; 859 if (change) 860 snd_es1688_mixer_write(chip, reg, nval); 861 spin_unlock_irqrestore(&chip->reg_lock, flags); 862 return change; 863 } 864 865 #define ES1688_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ 866 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 867 .info = snd_es1688_info_double, \ 868 .get = snd_es1688_get_double, .put = snd_es1688_put_double, \ 869 .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) } 870 871 static int snd_es1688_info_double(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo) 872 { 873 int mask = (kcontrol->private_value >> 24) & 0xff; 874 875 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 876 uinfo->count = 2; 877 uinfo->value.integer.min = 0; 878 uinfo->value.integer.max = mask; 879 return 0; 880 } 881 882 static int snd_es1688_get_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 883 { 884 es1688_t *chip = snd_kcontrol_chip(kcontrol); 885 unsigned long flags; 886 int left_reg = kcontrol->private_value & 0xff; 887 int right_reg = (kcontrol->private_value >> 8) & 0xff; 888 int shift_left = (kcontrol->private_value >> 16) & 0x07; 889 int shift_right = (kcontrol->private_value >> 19) & 0x07; 890 int mask = (kcontrol->private_value >> 24) & 0xff; 891 int invert = (kcontrol->private_value >> 22) & 1; 892 unsigned char left, right; 893 894 spin_lock_irqsave(&chip->reg_lock, flags); 895 if (left_reg < 0xa0) 896 left = snd_es1688_mixer_read(chip, left_reg); 897 else 898 left = snd_es1688_read(chip, left_reg); 899 if (left_reg != right_reg) { 900 if (right_reg < 0xa0) 901 right = snd_es1688_mixer_read(chip, right_reg); 902 else 903 right = snd_es1688_read(chip, right_reg); 904 } else 905 right = left; 906 spin_unlock_irqrestore(&chip->reg_lock, flags); 907 ucontrol->value.integer.value[0] = (left >> shift_left) & mask; 908 ucontrol->value.integer.value[1] = (right >> shift_right) & mask; 909 if (invert) { 910 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 911 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 912 } 913 return 0; 914 } 915 916 static int snd_es1688_put_double(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) 917 { 918 es1688_t *chip = snd_kcontrol_chip(kcontrol); 919 unsigned long flags; 920 int left_reg = kcontrol->private_value & 0xff; 921 int right_reg = (kcontrol->private_value >> 8) & 0xff; 922 int shift_left = (kcontrol->private_value >> 16) & 0x07; 923 int shift_right = (kcontrol->private_value >> 19) & 0x07; 924 int mask = (kcontrol->private_value >> 24) & 0xff; 925 int invert = (kcontrol->private_value >> 22) & 1; 926 int change; 927 unsigned char val1, val2, oval1, oval2; 928 929 val1 = ucontrol->value.integer.value[0] & mask; 930 val2 = ucontrol->value.integer.value[1] & mask; 931 if (invert) { 932 val1 = mask - val1; 933 val2 = mask - val2; 934 } 935 val1 <<= shift_left; 936 val2 <<= shift_right; 937 spin_lock_irqsave(&chip->reg_lock, flags); 938 if (left_reg != right_reg) { 939 if (left_reg < 0xa0) 940 oval1 = snd_es1688_mixer_read(chip, left_reg); 941 else 942 oval1 = snd_es1688_read(chip, left_reg); 943 if (right_reg < 0xa0) 944 oval2 = snd_es1688_mixer_read(chip, right_reg); 945 else 946 oval2 = snd_es1688_read(chip, right_reg); 947 val1 = (oval1 & ~(mask << shift_left)) | val1; 948 val2 = (oval2 & ~(mask << shift_right)) | val2; 949 change = val1 != oval1 || val2 != oval2; 950 if (change) { 951 if (left_reg < 0xa0) 952 snd_es1688_mixer_write(chip, left_reg, val1); 953 else 954 snd_es1688_write(chip, left_reg, val1); 955 if (right_reg < 0xa0) 956 snd_es1688_mixer_write(chip, right_reg, val1); 957 else 958 snd_es1688_write(chip, right_reg, val1); 959 } 960 } else { 961 if (left_reg < 0xa0) 962 oval1 = snd_es1688_mixer_read(chip, left_reg); 963 else 964 oval1 = snd_es1688_read(chip, left_reg); 965 val1 = (oval1 & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2; 966 change = val1 != oval1; 967 if (change) { 968 if (left_reg < 0xa0) 969 snd_es1688_mixer_write(chip, left_reg, val1); 970 else 971 snd_es1688_write(chip, left_reg, val1); 972 } 973 974 } 975 spin_unlock_irqrestore(&chip->reg_lock, flags); 976 return change; 977 } 978 979 static snd_kcontrol_new_t snd_es1688_controls[] = { 980 ES1688_DOUBLE("Master Playback Volume", 0, ES1688_MASTER_DEV, ES1688_MASTER_DEV, 4, 0, 15, 0), 981 ES1688_DOUBLE("PCM Playback Volume", 0, ES1688_PCM_DEV, ES1688_PCM_DEV, 4, 0, 15, 0), 982 ES1688_DOUBLE("Line Playback Volume", 0, ES1688_LINE_DEV, ES1688_LINE_DEV, 4, 0, 15, 0), 983 ES1688_DOUBLE("CD Playback Volume", 0, ES1688_CD_DEV, ES1688_CD_DEV, 4, 0, 15, 0), 984 ES1688_DOUBLE("FM Playback Volume", 0, ES1688_FM_DEV, ES1688_FM_DEV, 4, 0, 15, 0), 985 ES1688_DOUBLE("Mic Playback Volume", 0, ES1688_MIC_DEV, ES1688_MIC_DEV, 4, 0, 15, 0), 986 ES1688_DOUBLE("Aux Playback Volume", 0, ES1688_AUX_DEV, ES1688_AUX_DEV, 4, 0, 15, 0), 987 ES1688_SINGLE("PC Speaker Playback Volume", 0, ES1688_SPEAKER_DEV, 0, 7, 0), 988 ES1688_DOUBLE("Capture Volume", 0, ES1688_RECLEV_DEV, ES1688_RECLEV_DEV, 4, 0, 15, 0), 989 ES1688_SINGLE("Capture Switch", 0, ES1688_REC_DEV, 4, 1, 1), 990 { 991 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 992 .name = "Capture Source", 993 .info = snd_es1688_info_mux, 994 .get = snd_es1688_get_mux, 995 .put = snd_es1688_put_mux, 996 }, 997 }; 998 999 #define ES1688_INIT_TABLE_SIZE (sizeof(snd_es1688_init_table)/2) 1000 1001 static unsigned char snd_es1688_init_table[][2] = { 1002 { ES1688_MASTER_DEV, 0 }, 1003 { ES1688_PCM_DEV, 0 }, 1004 { ES1688_LINE_DEV, 0 }, 1005 { ES1688_CD_DEV, 0 }, 1006 { ES1688_FM_DEV, 0 }, 1007 { ES1688_MIC_DEV, 0 }, 1008 { ES1688_AUX_DEV, 0 }, 1009 { ES1688_SPEAKER_DEV, 0 }, 1010 { ES1688_RECLEV_DEV, 0 }, 1011 { ES1688_REC_DEV, 0x17 } 1012 }; 1013 1014 int snd_es1688_mixer(es1688_t *chip) 1015 { 1016 snd_card_t *card; 1017 unsigned int idx; 1018 int err; 1019 unsigned char reg, val; 1020 1021 snd_assert(chip != NULL && chip->card != NULL, return -EINVAL); 1022 1023 card = chip->card; 1024 1025 strcpy(card->mixername, snd_es1688_chip_id(chip)); 1026 1027 for (idx = 0; idx < ARRAY_SIZE(snd_es1688_controls); idx++) { 1028 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es1688_controls[idx], chip))) < 0) 1029 return err; 1030 } 1031 for (idx = 0; idx < ES1688_INIT_TABLE_SIZE; idx++) { 1032 reg = snd_es1688_init_table[idx][0]; 1033 val = snd_es1688_init_table[idx][1]; 1034 if (reg < 0xa0) 1035 snd_es1688_mixer_write(chip, reg, val); 1036 else 1037 snd_es1688_write(chip, reg, val); 1038 } 1039 return 0; 1040 } 1041 1042 EXPORT_SYMBOL(snd_es1688_mixer_write); 1043 EXPORT_SYMBOL(snd_es1688_create); 1044 EXPORT_SYMBOL(snd_es1688_pcm); 1045 EXPORT_SYMBOL(snd_es1688_mixer); 1046 1047 /* 1048 * INIT part 1049 */ 1050 1051 static int __init alsa_es1688_init(void) 1052 { 1053 return 0; 1054 } 1055 1056 static void __exit alsa_es1688_exit(void) 1057 { 1058 } 1059 1060 module_init(alsa_es1688_init) 1061 module_exit(alsa_es1688_exit) 1062