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(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("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 static 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 } 119 120 static int snd_es1688_probe(struct snd_es1688 *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(struct snd_es1688 * 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 struct snd_ratnum 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 struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = { 302 .nrats = 2, 303 .rats = clocks, 304 }; 305 306 static void snd_es1688_set_rate(struct snd_es1688 *chip, struct snd_pcm_substream *substream) 307 { 308 struct snd_pcm_runtime *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(struct snd_pcm_substream *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(struct snd_es1688 *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(struct snd_pcm_substream *substream, 354 struct snd_pcm_hw_params *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(struct snd_pcm_substream *substream) 360 { 361 return snd_pcm_lib_free_pages(substream); 362 } 363 364 static int snd_es1688_playback_prepare(struct snd_pcm_substream *substream) 365 { 366 unsigned long flags; 367 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 368 struct snd_pcm_runtime *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(struct snd_pcm_substream *substream, 419 int cmd) 420 { 421 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 422 return snd_es1688_trigger(chip, cmd, 0x05); 423 } 424 425 static int snd_es1688_capture_prepare(struct snd_pcm_substream *substream) 426 { 427 unsigned long flags; 428 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 429 struct snd_pcm_runtime *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(struct snd_pcm_substream *substream, 476 int cmd) 477 { 478 struct snd_es1688 *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 struct snd_es1688 *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(struct snd_pcm_substream *substream) 496 { 497 struct snd_es1688 *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(struct snd_pcm_substream *substream) 507 { 508 struct snd_es1688 *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 struct snd_pcm_hardware 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 struct snd_pcm_hardware 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(struct snd_pcm_substream *substream) 562 { 563 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 564 struct snd_pcm_runtime *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(struct snd_pcm_substream *substream) 576 { 577 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 578 struct snd_pcm_runtime *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(struct snd_pcm_substream *substream) 590 { 591 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 592 593 chip->playback_substream = NULL; 594 return 0; 595 } 596 597 static int snd_es1688_capture_close(struct snd_pcm_substream *substream) 598 { 599 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 600 601 chip->capture_substream = NULL; 602 return 0; 603 } 604 605 static int snd_es1688_free(struct snd_es1688 *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(struct snd_device *device) 622 { 623 struct snd_es1688 *chip = device->device_data; 624 return snd_es1688_free(chip); 625 } 626 627 static const char *snd_es1688_chip_id(struct snd_es1688 *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(struct snd_card *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 struct snd_es1688 **rchip) 642 { 643 static struct snd_device_ops ops = { 644 .dev_free = snd_es1688_dev_free, 645 }; 646 647 struct snd_es1688 *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 struct snd_pcm_ops 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 struct snd_pcm_ops 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 int snd_es1688_pcm(struct snd_es1688 * chip, int device, struct snd_pcm ** rpcm) 728 { 729 struct snd_pcm *pcm; 730 int err; 731 732 if ((err = snd_pcm_new(chip->card, "ESx688", device, 1, 1, &pcm)) < 0) 733 return err; 734 735 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es1688_playback_ops); 736 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es1688_capture_ops); 737 738 pcm->private_data = chip; 739 pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX; 740 sprintf(pcm->name, snd_es1688_chip_id(chip)); 741 chip->pcm = pcm; 742 743 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 744 snd_dma_isa_data(), 745 64*1024, 64*1024); 746 747 if (rpcm) 748 *rpcm = pcm; 749 return 0; 750 } 751 752 /* 753 * MIXER part 754 */ 755 756 static int snd_es1688_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 757 { 758 static char *texts[9] = { 759 "Mic", "Mic Master", "CD", "AOUT", 760 "Mic1", "Mix", "Line", "Master" 761 }; 762 763 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 764 uinfo->count = 1; 765 uinfo->value.enumerated.items = 8; 766 if (uinfo->value.enumerated.item > 7) 767 uinfo->value.enumerated.item = 7; 768 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 769 return 0; 770 } 771 772 static int snd_es1688_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 773 { 774 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 775 ucontrol->value.enumerated.item[0] = snd_es1688_mixer_read(chip, ES1688_REC_DEV) & 7; 776 return 0; 777 } 778 779 static int snd_es1688_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 780 { 781 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 782 unsigned long flags; 783 unsigned char oval, nval; 784 int change; 785 786 if (ucontrol->value.enumerated.item[0] > 8) 787 return -EINVAL; 788 spin_lock_irqsave(&chip->reg_lock, flags); 789 oval = snd_es1688_mixer_read(chip, ES1688_REC_DEV); 790 nval = (ucontrol->value.enumerated.item[0] & 7) | (oval & ~15); 791 change = nval != oval; 792 if (change) 793 snd_es1688_mixer_write(chip, ES1688_REC_DEV, nval); 794 spin_unlock_irqrestore(&chip->reg_lock, flags); 795 return change; 796 } 797 798 #define ES1688_SINGLE(xname, xindex, reg, shift, mask, invert) \ 799 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 800 .info = snd_es1688_info_single, \ 801 .get = snd_es1688_get_single, .put = snd_es1688_put_single, \ 802 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } 803 804 static int snd_es1688_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 805 { 806 int mask = (kcontrol->private_value >> 16) & 0xff; 807 808 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 809 uinfo->count = 1; 810 uinfo->value.integer.min = 0; 811 uinfo->value.integer.max = mask; 812 return 0; 813 } 814 815 static int snd_es1688_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 816 { 817 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 818 unsigned long flags; 819 int reg = kcontrol->private_value & 0xff; 820 int shift = (kcontrol->private_value >> 8) & 0xff; 821 int mask = (kcontrol->private_value >> 16) & 0xff; 822 int invert = (kcontrol->private_value >> 24) & 0xff; 823 824 spin_lock_irqsave(&chip->reg_lock, flags); 825 ucontrol->value.integer.value[0] = (snd_es1688_mixer_read(chip, reg) >> shift) & mask; 826 spin_unlock_irqrestore(&chip->reg_lock, flags); 827 if (invert) 828 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 829 return 0; 830 } 831 832 static int snd_es1688_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 833 { 834 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 835 unsigned long flags; 836 int reg = kcontrol->private_value & 0xff; 837 int shift = (kcontrol->private_value >> 8) & 0xff; 838 int mask = (kcontrol->private_value >> 16) & 0xff; 839 int invert = (kcontrol->private_value >> 24) & 0xff; 840 int change; 841 unsigned char oval, nval; 842 843 nval = (ucontrol->value.integer.value[0] & mask); 844 if (invert) 845 nval = mask - nval; 846 nval <<= shift; 847 spin_lock_irqsave(&chip->reg_lock, flags); 848 oval = snd_es1688_mixer_read(chip, reg); 849 nval = (oval & ~(mask << shift)) | nval; 850 change = nval != oval; 851 if (change) 852 snd_es1688_mixer_write(chip, reg, nval); 853 spin_unlock_irqrestore(&chip->reg_lock, flags); 854 return change; 855 } 856 857 #define ES1688_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ 858 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 859 .info = snd_es1688_info_double, \ 860 .get = snd_es1688_get_double, .put = snd_es1688_put_double, \ 861 .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) } 862 863 static int snd_es1688_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 864 { 865 int mask = (kcontrol->private_value >> 24) & 0xff; 866 867 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 868 uinfo->count = 2; 869 uinfo->value.integer.min = 0; 870 uinfo->value.integer.max = mask; 871 return 0; 872 } 873 874 static int snd_es1688_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 875 { 876 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 877 unsigned long flags; 878 int left_reg = kcontrol->private_value & 0xff; 879 int right_reg = (kcontrol->private_value >> 8) & 0xff; 880 int shift_left = (kcontrol->private_value >> 16) & 0x07; 881 int shift_right = (kcontrol->private_value >> 19) & 0x07; 882 int mask = (kcontrol->private_value >> 24) & 0xff; 883 int invert = (kcontrol->private_value >> 22) & 1; 884 unsigned char left, right; 885 886 spin_lock_irqsave(&chip->reg_lock, flags); 887 if (left_reg < 0xa0) 888 left = snd_es1688_mixer_read(chip, left_reg); 889 else 890 left = snd_es1688_read(chip, left_reg); 891 if (left_reg != right_reg) { 892 if (right_reg < 0xa0) 893 right = snd_es1688_mixer_read(chip, right_reg); 894 else 895 right = snd_es1688_read(chip, right_reg); 896 } else 897 right = left; 898 spin_unlock_irqrestore(&chip->reg_lock, flags); 899 ucontrol->value.integer.value[0] = (left >> shift_left) & mask; 900 ucontrol->value.integer.value[1] = (right >> shift_right) & mask; 901 if (invert) { 902 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 903 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 904 } 905 return 0; 906 } 907 908 static int snd_es1688_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 909 { 910 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 911 unsigned long flags; 912 int left_reg = kcontrol->private_value & 0xff; 913 int right_reg = (kcontrol->private_value >> 8) & 0xff; 914 int shift_left = (kcontrol->private_value >> 16) & 0x07; 915 int shift_right = (kcontrol->private_value >> 19) & 0x07; 916 int mask = (kcontrol->private_value >> 24) & 0xff; 917 int invert = (kcontrol->private_value >> 22) & 1; 918 int change; 919 unsigned char val1, val2, oval1, oval2; 920 921 val1 = ucontrol->value.integer.value[0] & mask; 922 val2 = ucontrol->value.integer.value[1] & mask; 923 if (invert) { 924 val1 = mask - val1; 925 val2 = mask - val2; 926 } 927 val1 <<= shift_left; 928 val2 <<= shift_right; 929 spin_lock_irqsave(&chip->reg_lock, flags); 930 if (left_reg != right_reg) { 931 if (left_reg < 0xa0) 932 oval1 = snd_es1688_mixer_read(chip, left_reg); 933 else 934 oval1 = snd_es1688_read(chip, left_reg); 935 if (right_reg < 0xa0) 936 oval2 = snd_es1688_mixer_read(chip, right_reg); 937 else 938 oval2 = snd_es1688_read(chip, right_reg); 939 val1 = (oval1 & ~(mask << shift_left)) | val1; 940 val2 = (oval2 & ~(mask << shift_right)) | val2; 941 change = val1 != oval1 || val2 != oval2; 942 if (change) { 943 if (left_reg < 0xa0) 944 snd_es1688_mixer_write(chip, left_reg, val1); 945 else 946 snd_es1688_write(chip, left_reg, val1); 947 if (right_reg < 0xa0) 948 snd_es1688_mixer_write(chip, right_reg, val1); 949 else 950 snd_es1688_write(chip, right_reg, val1); 951 } 952 } else { 953 if (left_reg < 0xa0) 954 oval1 = snd_es1688_mixer_read(chip, left_reg); 955 else 956 oval1 = snd_es1688_read(chip, left_reg); 957 val1 = (oval1 & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2; 958 change = val1 != oval1; 959 if (change) { 960 if (left_reg < 0xa0) 961 snd_es1688_mixer_write(chip, left_reg, val1); 962 else 963 snd_es1688_write(chip, left_reg, val1); 964 } 965 966 } 967 spin_unlock_irqrestore(&chip->reg_lock, flags); 968 return change; 969 } 970 971 static struct snd_kcontrol_new snd_es1688_controls[] = { 972 ES1688_DOUBLE("Master Playback Volume", 0, ES1688_MASTER_DEV, ES1688_MASTER_DEV, 4, 0, 15, 0), 973 ES1688_DOUBLE("PCM Playback Volume", 0, ES1688_PCM_DEV, ES1688_PCM_DEV, 4, 0, 15, 0), 974 ES1688_DOUBLE("Line Playback Volume", 0, ES1688_LINE_DEV, ES1688_LINE_DEV, 4, 0, 15, 0), 975 ES1688_DOUBLE("CD Playback Volume", 0, ES1688_CD_DEV, ES1688_CD_DEV, 4, 0, 15, 0), 976 ES1688_DOUBLE("FM Playback Volume", 0, ES1688_FM_DEV, ES1688_FM_DEV, 4, 0, 15, 0), 977 ES1688_DOUBLE("Mic Playback Volume", 0, ES1688_MIC_DEV, ES1688_MIC_DEV, 4, 0, 15, 0), 978 ES1688_DOUBLE("Aux Playback Volume", 0, ES1688_AUX_DEV, ES1688_AUX_DEV, 4, 0, 15, 0), 979 ES1688_SINGLE("PC Speaker Playback Volume", 0, ES1688_SPEAKER_DEV, 0, 7, 0), 980 ES1688_DOUBLE("Capture Volume", 0, ES1688_RECLEV_DEV, ES1688_RECLEV_DEV, 4, 0, 15, 0), 981 ES1688_SINGLE("Capture Switch", 0, ES1688_REC_DEV, 4, 1, 1), 982 { 983 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 984 .name = "Capture Source", 985 .info = snd_es1688_info_mux, 986 .get = snd_es1688_get_mux, 987 .put = snd_es1688_put_mux, 988 }, 989 }; 990 991 #define ES1688_INIT_TABLE_SIZE (sizeof(snd_es1688_init_table)/2) 992 993 static unsigned char snd_es1688_init_table[][2] = { 994 { ES1688_MASTER_DEV, 0 }, 995 { ES1688_PCM_DEV, 0 }, 996 { ES1688_LINE_DEV, 0 }, 997 { ES1688_CD_DEV, 0 }, 998 { ES1688_FM_DEV, 0 }, 999 { ES1688_MIC_DEV, 0 }, 1000 { ES1688_AUX_DEV, 0 }, 1001 { ES1688_SPEAKER_DEV, 0 }, 1002 { ES1688_RECLEV_DEV, 0 }, 1003 { ES1688_REC_DEV, 0x17 } 1004 }; 1005 1006 int snd_es1688_mixer(struct snd_es1688 *chip) 1007 { 1008 struct snd_card *card; 1009 unsigned int idx; 1010 int err; 1011 unsigned char reg, val; 1012 1013 snd_assert(chip != NULL && chip->card != NULL, return -EINVAL); 1014 1015 card = chip->card; 1016 1017 strcpy(card->mixername, snd_es1688_chip_id(chip)); 1018 1019 for (idx = 0; idx < ARRAY_SIZE(snd_es1688_controls); idx++) { 1020 if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es1688_controls[idx], chip))) < 0) 1021 return err; 1022 } 1023 for (idx = 0; idx < ES1688_INIT_TABLE_SIZE; idx++) { 1024 reg = snd_es1688_init_table[idx][0]; 1025 val = snd_es1688_init_table[idx][1]; 1026 if (reg < 0xa0) 1027 snd_es1688_mixer_write(chip, reg, val); 1028 else 1029 snd_es1688_write(chip, reg, val); 1030 } 1031 return 0; 1032 } 1033 1034 EXPORT_SYMBOL(snd_es1688_mixer_write); 1035 EXPORT_SYMBOL(snd_es1688_create); 1036 EXPORT_SYMBOL(snd_es1688_pcm); 1037 EXPORT_SYMBOL(snd_es1688_mixer); 1038 1039 /* 1040 * INIT part 1041 */ 1042 1043 static int __init alsa_es1688_init(void) 1044 { 1045 return 0; 1046 } 1047 1048 static void __exit alsa_es1688_exit(void) 1049 { 1050 } 1051 1052 module_init(alsa_es1688_init) 1053 module_exit(alsa_es1688_exit) 1054