1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz> 4 * Routines for control of ESS ES1688/688/488 chip 5 */ 6 7#include <linux/init.h> 8#include <linux/interrupt.h> 9#include <linux/delay.h> 10#include <linux/slab.h> 11#include <linux/ioport.h> 12#include <linux/module.h> 13#include <linux/io.h> 14#include <sound/core.h> 15#include <sound/es1688.h> 16#include <sound/initval.h> 17 18#include <asm/dma.h> 19 20MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 21MODULE_DESCRIPTION("ESS ESx688 lowlevel module"); 22MODULE_LICENSE("GPL"); 23 24static int snd_es1688_dsp_command(struct snd_es1688 *chip, unsigned char val) 25{ 26 int i; 27 28 for (i = 10000; i; i--) 29 if ((inb(ES1688P(chip, STATUS)) & 0x80) == 0) { 30 outb(val, ES1688P(chip, COMMAND)); 31 return 1; 32 } 33#ifdef CONFIG_SND_DEBUG 34 printk(KERN_DEBUG "snd_es1688_dsp_command: timeout (0x%x)\n", val); 35#endif 36 return 0; 37} 38 39static int snd_es1688_dsp_get_byte(struct snd_es1688 *chip) 40{ 41 int i; 42 43 for (i = 1000; i; i--) 44 if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80) 45 return inb(ES1688P(chip, READ)); 46 snd_printd("es1688 get byte failed: 0x%lx = 0x%x!!!\n", ES1688P(chip, DATA_AVAIL), inb(ES1688P(chip, DATA_AVAIL))); 47 return -ENODEV; 48} 49 50static int snd_es1688_write(struct snd_es1688 *chip, 51 unsigned char reg, unsigned char data) 52{ 53 if (!snd_es1688_dsp_command(chip, reg)) 54 return 0; 55 return snd_es1688_dsp_command(chip, data); 56} 57 58static int snd_es1688_read(struct snd_es1688 *chip, unsigned char reg) 59{ 60 /* Read a byte from an extended mode register of ES1688 */ 61 if (!snd_es1688_dsp_command(chip, 0xc0)) 62 return -1; 63 if (!snd_es1688_dsp_command(chip, reg)) 64 return -1; 65 return snd_es1688_dsp_get_byte(chip); 66} 67 68void snd_es1688_mixer_write(struct snd_es1688 *chip, 69 unsigned char reg, unsigned char data) 70{ 71 outb(reg, ES1688P(chip, MIXER_ADDR)); 72 udelay(10); 73 outb(data, ES1688P(chip, MIXER_DATA)); 74 udelay(10); 75} 76 77static unsigned char snd_es1688_mixer_read(struct snd_es1688 *chip, unsigned char reg) 78{ 79 unsigned char result; 80 81 outb(reg, ES1688P(chip, MIXER_ADDR)); 82 udelay(10); 83 result = inb(ES1688P(chip, MIXER_DATA)); 84 udelay(10); 85 return result; 86} 87 88int snd_es1688_reset(struct snd_es1688 *chip) 89{ 90 int i; 91 92 outb(3, ES1688P(chip, RESET)); /* valid only for ESS chips, SB -> 1 */ 93 udelay(10); 94 outb(0, ES1688P(chip, RESET)); 95 udelay(30); 96 for (i = 0; i < 1000 && !(inb(ES1688P(chip, DATA_AVAIL)) & 0x80); i++); 97 if (inb(ES1688P(chip, READ)) != 0xaa) { 98 snd_printd("ess_reset at 0x%lx: failed!!!\n", chip->port); 99 return -ENODEV; 100 } 101 snd_es1688_dsp_command(chip, 0xc6); /* enable extended mode */ 102 return 0; 103} 104EXPORT_SYMBOL(snd_es1688_reset); 105 106static int snd_es1688_probe(struct snd_es1688 *chip) 107{ 108 unsigned long flags; 109 unsigned short major, minor; 110 int i; 111 112 /* 113 * initialization sequence 114 */ 115 116 spin_lock_irqsave(&chip->reg_lock, flags); /* Some ESS1688 cards need this */ 117 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 118 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 119 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 120 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ 121 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 122 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ 123 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 124 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 125 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ 126 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 127 inb(ES1688P(chip, ENABLE0)); /* ENABLE0 */ 128 129 if (snd_es1688_reset(chip) < 0) { 130 snd_printdd("ESS: [0x%lx] reset failed... 0x%x\n", chip->port, inb(ES1688P(chip, READ))); 131 spin_unlock_irqrestore(&chip->reg_lock, flags); 132 return -ENODEV; 133 } 134 snd_es1688_dsp_command(chip, 0xe7); /* return identification */ 135 136 for (i = 1000, major = minor = 0; i; i--) { 137 if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80) { 138 if (major == 0) { 139 major = inb(ES1688P(chip, READ)); 140 } else { 141 minor = inb(ES1688P(chip, READ)); 142 } 143 } 144 } 145 146 spin_unlock_irqrestore(&chip->reg_lock, flags); 147 148 snd_printdd("ESS: [0x%lx] found.. major = 0x%x, minor = 0x%x\n", chip->port, major, minor); 149 150 chip->version = (major << 8) | minor; 151 if (!chip->version) 152 return -ENODEV; /* probably SB */ 153 154 switch (chip->version & 0xfff0) { 155 case 0x4880: 156 snd_printk(KERN_ERR "[0x%lx] ESS: AudioDrive ES488 detected, " 157 "but driver is in another place\n", chip->port); 158 return -ENODEV; 159 case 0x6880: 160 break; 161 default: 162 snd_printk(KERN_ERR "[0x%lx] ESS: unknown AudioDrive chip " 163 "with version 0x%x (Jazz16 soundcard?)\n", 164 chip->port, chip->version); 165 return -ENODEV; 166 } 167 168 spin_lock_irqsave(&chip->reg_lock, flags); 169 snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */ 170 snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */ 171 spin_unlock_irqrestore(&chip->reg_lock, flags); 172 173 /* enable joystick, but disable OPL3 */ 174 spin_lock_irqsave(&chip->mixer_lock, flags); 175 snd_es1688_mixer_write(chip, 0x40, 0x01); 176 spin_unlock_irqrestore(&chip->mixer_lock, flags); 177 178 return 0; 179} 180 181static int snd_es1688_init(struct snd_es1688 * chip, int enable) 182{ 183 static const int irqs[16] = {-1, -1, 0, -1, -1, 1, -1, 2, -1, 0, 3, -1, -1, -1, -1, -1}; 184 unsigned long flags; 185 int cfg, irq_bits, dma, dma_bits, tmp, tmp1; 186 187 /* ok.. setup MPU-401 port and joystick and OPL3 */ 188 cfg = 0x01; /* enable joystick, but disable OPL3 */ 189 if (enable && chip->mpu_port >= 0x300 && chip->mpu_irq > 0 && chip->hardware != ES1688_HW_688) { 190 tmp = (chip->mpu_port & 0x0f0) >> 4; 191 if (tmp <= 3) { 192 switch (chip->mpu_irq) { 193 case 9: 194 tmp1 = 4; 195 break; 196 case 5: 197 tmp1 = 5; 198 break; 199 case 7: 200 tmp1 = 6; 201 break; 202 case 10: 203 tmp1 = 7; 204 break; 205 default: 206 tmp1 = 0; 207 } 208 if (tmp1) { 209 cfg |= (tmp << 3) | (tmp1 << 5); 210 } 211 } 212 } 213#if 0 214 snd_printk(KERN_DEBUG "mpu cfg = 0x%x\n", cfg); 215#endif 216 spin_lock_irqsave(&chip->reg_lock, flags); 217 snd_es1688_mixer_write(chip, 0x40, cfg); 218 spin_unlock_irqrestore(&chip->reg_lock, flags); 219 /* --- */ 220 spin_lock_irqsave(&chip->reg_lock, flags); 221 snd_es1688_read(chip, 0xb1); 222 snd_es1688_read(chip, 0xb2); 223 spin_unlock_irqrestore(&chip->reg_lock, flags); 224 if (enable) { 225 cfg = 0xf0; /* enable only DMA counter interrupt */ 226 irq_bits = irqs[chip->irq & 0x0f]; 227 if (irq_bits < 0) { 228 snd_printk(KERN_ERR "[0x%lx] ESS: bad IRQ %d " 229 "for ES1688 chip!!\n", 230 chip->port, chip->irq); 231#if 0 232 irq_bits = 0; 233 cfg = 0x10; 234#endif 235 return -EINVAL; 236 } 237 spin_lock_irqsave(&chip->reg_lock, flags); 238 snd_es1688_write(chip, 0xb1, cfg | (irq_bits << 2)); 239 spin_unlock_irqrestore(&chip->reg_lock, flags); 240 cfg = 0xf0; /* extended mode DMA enable */ 241 dma = chip->dma8; 242 if (dma > 3 || dma == 2) { 243 snd_printk(KERN_ERR "[0x%lx] ESS: bad DMA channel %d " 244 "for ES1688 chip!!\n", chip->port, dma); 245#if 0 246 dma_bits = 0; 247 cfg = 0x00; /* disable all DMA */ 248#endif 249 return -EINVAL; 250 } else { 251 dma_bits = dma; 252 if (dma != 3) 253 dma_bits++; 254 } 255 spin_lock_irqsave(&chip->reg_lock, flags); 256 snd_es1688_write(chip, 0xb2, cfg | (dma_bits << 2)); 257 spin_unlock_irqrestore(&chip->reg_lock, flags); 258 } else { 259 spin_lock_irqsave(&chip->reg_lock, flags); 260 snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */ 261 snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */ 262 spin_unlock_irqrestore(&chip->reg_lock, flags); 263 } 264 spin_lock_irqsave(&chip->reg_lock, flags); 265 snd_es1688_read(chip, 0xb1); 266 snd_es1688_read(chip, 0xb2); 267 snd_es1688_reset(chip); 268 spin_unlock_irqrestore(&chip->reg_lock, flags); 269 return 0; 270} 271 272/* 273 274 */ 275 276static const struct snd_ratnum clocks[2] = { 277 { 278 .num = 795444, 279 .den_min = 1, 280 .den_max = 128, 281 .den_step = 1, 282 }, 283 { 284 .num = 397722, 285 .den_min = 1, 286 .den_max = 128, 287 .den_step = 1, 288 } 289}; 290 291static const struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = { 292 .nrats = 2, 293 .rats = clocks, 294}; 295 296static void snd_es1688_set_rate(struct snd_es1688 *chip, struct snd_pcm_substream *substream) 297{ 298 struct snd_pcm_runtime *runtime = substream->runtime; 299 unsigned int bits, divider; 300 301 if (runtime->rate_num == clocks[0].num) 302 bits = 256 - runtime->rate_den; 303 else 304 bits = 128 - runtime->rate_den; 305 /* set filter register */ 306 divider = 256 - 7160000*20/(8*82*runtime->rate); 307 /* write result to hardware */ 308 snd_es1688_write(chip, 0xa1, bits); 309 snd_es1688_write(chip, 0xa2, divider); 310} 311 312static int snd_es1688_trigger(struct snd_es1688 *chip, int cmd, unsigned char value) 313{ 314 int val; 315 316 if (cmd == SNDRV_PCM_TRIGGER_STOP) { 317 value = 0x00; 318 } else if (cmd != SNDRV_PCM_TRIGGER_START) { 319 return -EINVAL; 320 } 321 spin_lock(&chip->reg_lock); 322 chip->trigger_value = value; 323 val = snd_es1688_read(chip, 0xb8); 324 if ((val < 0) || (val & 0x0f) == value) { 325 spin_unlock(&chip->reg_lock); 326 return -EINVAL; /* something is wrong */ 327 } 328#if 0 329 printk(KERN_DEBUG "trigger: val = 0x%x, value = 0x%x\n", val, value); 330 printk(KERN_DEBUG "trigger: pointer = 0x%x\n", 331 snd_dma_pointer(chip->dma8, chip->dma_size)); 332#endif 333 snd_es1688_write(chip, 0xb8, (val & 0xf0) | value); 334 spin_unlock(&chip->reg_lock); 335 return 0; 336} 337 338static int snd_es1688_playback_prepare(struct snd_pcm_substream *substream) 339{ 340 unsigned long flags; 341 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 342 struct snd_pcm_runtime *runtime = substream->runtime; 343 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 344 unsigned int count = snd_pcm_lib_period_bytes(substream); 345 346 chip->dma_size = size; 347 spin_lock_irqsave(&chip->reg_lock, flags); 348 snd_es1688_reset(chip); 349 snd_es1688_set_rate(chip, substream); 350 snd_es1688_write(chip, 0xb8, 4); /* auto init DMA mode */ 351 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels)); 352 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */ 353 if (runtime->channels == 1) { 354 if (snd_pcm_format_width(runtime->format) == 8) { 355 /* 8. bit mono */ 356 snd_es1688_write(chip, 0xb6, 0x80); 357 snd_es1688_write(chip, 0xb7, 0x51); 358 snd_es1688_write(chip, 0xb7, 0xd0); 359 } else { 360 /* 16. bit mono */ 361 snd_es1688_write(chip, 0xb6, 0x00); 362 snd_es1688_write(chip, 0xb7, 0x71); 363 snd_es1688_write(chip, 0xb7, 0xf4); 364 } 365 } else { 366 if (snd_pcm_format_width(runtime->format) == 8) { 367 /* 8. bit stereo */ 368 snd_es1688_write(chip, 0xb6, 0x80); 369 snd_es1688_write(chip, 0xb7, 0x51); 370 snd_es1688_write(chip, 0xb7, 0x98); 371 } else { 372 /* 16. bit stereo */ 373 snd_es1688_write(chip, 0xb6, 0x00); 374 snd_es1688_write(chip, 0xb7, 0x71); 375 snd_es1688_write(chip, 0xb7, 0xbc); 376 } 377 } 378 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50); 379 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50); 380 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKON); 381 spin_unlock_irqrestore(&chip->reg_lock, flags); 382 /* --- */ 383 count = -count; 384 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT); 385 spin_lock_irqsave(&chip->reg_lock, flags); 386 snd_es1688_write(chip, 0xa4, (unsigned char) count); 387 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8)); 388 spin_unlock_irqrestore(&chip->reg_lock, flags); 389 return 0; 390} 391 392static int snd_es1688_playback_trigger(struct snd_pcm_substream *substream, 393 int cmd) 394{ 395 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 396 return snd_es1688_trigger(chip, cmd, 0x05); 397} 398 399static int snd_es1688_capture_prepare(struct snd_pcm_substream *substream) 400{ 401 unsigned long flags; 402 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 403 struct snd_pcm_runtime *runtime = substream->runtime; 404 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 405 unsigned int count = snd_pcm_lib_period_bytes(substream); 406 407 chip->dma_size = size; 408 spin_lock_irqsave(&chip->reg_lock, flags); 409 snd_es1688_reset(chip); 410 snd_es1688_set_rate(chip, substream); 411 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKOFF); 412 snd_es1688_write(chip, 0xb8, 0x0e); /* auto init DMA mode */ 413 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels)); 414 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */ 415 if (runtime->channels == 1) { 416 if (snd_pcm_format_width(runtime->format) == 8) { 417 /* 8. bit mono */ 418 snd_es1688_write(chip, 0xb7, 0x51); 419 snd_es1688_write(chip, 0xb7, 0xd0); 420 } else { 421 /* 16. bit mono */ 422 snd_es1688_write(chip, 0xb7, 0x71); 423 snd_es1688_write(chip, 0xb7, 0xf4); 424 } 425 } else { 426 if (snd_pcm_format_width(runtime->format) == 8) { 427 /* 8. bit stereo */ 428 snd_es1688_write(chip, 0xb7, 0x51); 429 snd_es1688_write(chip, 0xb7, 0x98); 430 } else { 431 /* 16. bit stereo */ 432 snd_es1688_write(chip, 0xb7, 0x71); 433 snd_es1688_write(chip, 0xb7, 0xbc); 434 } 435 } 436 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50); 437 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50); 438 spin_unlock_irqrestore(&chip->reg_lock, flags); 439 /* --- */ 440 count = -count; 441 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT); 442 spin_lock_irqsave(&chip->reg_lock, flags); 443 snd_es1688_write(chip, 0xa4, (unsigned char) count); 444 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8)); 445 spin_unlock_irqrestore(&chip->reg_lock, flags); 446 return 0; 447} 448 449static int snd_es1688_capture_trigger(struct snd_pcm_substream *substream, 450 int cmd) 451{ 452 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 453 return snd_es1688_trigger(chip, cmd, 0x0f); 454} 455 456static irqreturn_t snd_es1688_interrupt(int irq, void *dev_id) 457{ 458 struct snd_es1688 *chip = dev_id; 459 460 if (chip->trigger_value == 0x05) /* ok.. playback is active */ 461 snd_pcm_period_elapsed(chip->playback_substream); 462 if (chip->trigger_value == 0x0f) /* ok.. capture is active */ 463 snd_pcm_period_elapsed(chip->capture_substream); 464 465 inb(ES1688P(chip, DATA_AVAIL)); /* ack interrupt */ 466 return IRQ_HANDLED; 467} 468 469static snd_pcm_uframes_t snd_es1688_playback_pointer(struct snd_pcm_substream *substream) 470{ 471 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 472 size_t ptr; 473 474 if (chip->trigger_value != 0x05) 475 return 0; 476 ptr = snd_dma_pointer(chip->dma8, chip->dma_size); 477 return bytes_to_frames(substream->runtime, ptr); 478} 479 480static snd_pcm_uframes_t snd_es1688_capture_pointer(struct snd_pcm_substream *substream) 481{ 482 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 483 size_t ptr; 484 485 if (chip->trigger_value != 0x0f) 486 return 0; 487 ptr = snd_dma_pointer(chip->dma8, chip->dma_size); 488 return bytes_to_frames(substream->runtime, ptr); 489} 490 491/* 492 493 */ 494 495static const struct snd_pcm_hardware snd_es1688_playback = 496{ 497 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 498 SNDRV_PCM_INFO_MMAP_VALID), 499 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 500 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 501 .rate_min = 4000, 502 .rate_max = 48000, 503 .channels_min = 1, 504 .channels_max = 2, 505 .buffer_bytes_max = 65536, 506 .period_bytes_min = 64, 507 .period_bytes_max = 65536, 508 .periods_min = 1, 509 .periods_max = 1024, 510 .fifo_size = 0, 511}; 512 513static const struct snd_pcm_hardware snd_es1688_capture = 514{ 515 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 516 SNDRV_PCM_INFO_MMAP_VALID), 517 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 518 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 519 .rate_min = 4000, 520 .rate_max = 48000, 521 .channels_min = 1, 522 .channels_max = 2, 523 .buffer_bytes_max = 65536, 524 .period_bytes_min = 64, 525 .period_bytes_max = 65536, 526 .periods_min = 1, 527 .periods_max = 1024, 528 .fifo_size = 0, 529}; 530 531/* 532 533 */ 534 535static int snd_es1688_playback_open(struct snd_pcm_substream *substream) 536{ 537 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 538 struct snd_pcm_runtime *runtime = substream->runtime; 539 540 if (chip->capture_substream != NULL) 541 return -EAGAIN; 542 chip->playback_substream = substream; 543 runtime->hw = snd_es1688_playback; 544 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 545 &hw_constraints_clocks); 546 return 0; 547} 548 549static int snd_es1688_capture_open(struct snd_pcm_substream *substream) 550{ 551 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 552 struct snd_pcm_runtime *runtime = substream->runtime; 553 554 if (chip->playback_substream != NULL) 555 return -EAGAIN; 556 chip->capture_substream = substream; 557 runtime->hw = snd_es1688_capture; 558 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 559 &hw_constraints_clocks); 560 return 0; 561} 562 563static int snd_es1688_playback_close(struct snd_pcm_substream *substream) 564{ 565 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 566 567 chip->playback_substream = NULL; 568 return 0; 569} 570 571static int snd_es1688_capture_close(struct snd_pcm_substream *substream) 572{ 573 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 574 575 chip->capture_substream = NULL; 576 return 0; 577} 578 579static int snd_es1688_free(struct snd_es1688 *chip) 580{ 581 if (chip->hardware != ES1688_HW_UNDEF) 582 snd_es1688_init(chip, 0); 583 release_and_free_resource(chip->res_port); 584 if (chip->irq >= 0) 585 free_irq(chip->irq, (void *) chip); 586 if (chip->dma8 >= 0) { 587 disable_dma(chip->dma8); 588 free_dma(chip->dma8); 589 } 590 return 0; 591} 592 593static int snd_es1688_dev_free(struct snd_device *device) 594{ 595 struct snd_es1688 *chip = device->device_data; 596 return snd_es1688_free(chip); 597} 598 599static const char *snd_es1688_chip_id(struct snd_es1688 *chip) 600{ 601 static char tmp[16]; 602 sprintf(tmp, "ES%s688 rev %i", chip->hardware == ES1688_HW_688 ? "" : "1", chip->version & 0x0f); 603 return tmp; 604} 605 606int snd_es1688_create(struct snd_card *card, 607 struct snd_es1688 *chip, 608 unsigned long port, 609 unsigned long mpu_port, 610 int irq, 611 int mpu_irq, 612 int dma8, 613 unsigned short hardware) 614{ 615 static const struct snd_device_ops ops = { 616 .dev_free = snd_es1688_dev_free, 617 }; 618 619 int err; 620 621 if (chip == NULL) 622 return -ENOMEM; 623 chip->irq = -1; 624 chip->dma8 = -1; 625 chip->hardware = ES1688_HW_UNDEF; 626 627 chip->res_port = request_region(port + 4, 12, "ES1688"); 628 if (chip->res_port == NULL) { 629 snd_printk(KERN_ERR "es1688: can't grab port 0x%lx\n", port + 4); 630 err = -EBUSY; 631 goto exit; 632 } 633 634 err = request_irq(irq, snd_es1688_interrupt, 0, "ES1688", (void *) chip); 635 if (err < 0) { 636 snd_printk(KERN_ERR "es1688: can't grab IRQ %d\n", irq); 637 goto exit; 638 } 639 640 chip->irq = irq; 641 card->sync_irq = chip->irq; 642 err = request_dma(dma8, "ES1688"); 643 644 if (err < 0) { 645 snd_printk(KERN_ERR "es1688: can't grab DMA8 %d\n", dma8); 646 goto exit; 647 } 648 chip->dma8 = dma8; 649 650 spin_lock_init(&chip->reg_lock); 651 spin_lock_init(&chip->mixer_lock); 652 chip->port = port; 653 mpu_port &= ~0x000f; 654 if (mpu_port < 0x300 || mpu_port > 0x330) 655 mpu_port = 0; 656 chip->mpu_port = mpu_port; 657 chip->mpu_irq = mpu_irq; 658 chip->hardware = hardware; 659 660 err = snd_es1688_probe(chip); 661 if (err < 0) 662 goto exit; 663 664 err = snd_es1688_init(chip, 1); 665 if (err < 0) 666 goto exit; 667 668 /* Register device */ 669 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); 670exit: 671 if (err) 672 snd_es1688_free(chip); 673 return err; 674} 675 676static const struct snd_pcm_ops snd_es1688_playback_ops = { 677 .open = snd_es1688_playback_open, 678 .close = snd_es1688_playback_close, 679 .prepare = snd_es1688_playback_prepare, 680 .trigger = snd_es1688_playback_trigger, 681 .pointer = snd_es1688_playback_pointer, 682}; 683 684static const struct snd_pcm_ops snd_es1688_capture_ops = { 685 .open = snd_es1688_capture_open, 686 .close = snd_es1688_capture_close, 687 .prepare = snd_es1688_capture_prepare, 688 .trigger = snd_es1688_capture_trigger, 689 .pointer = snd_es1688_capture_pointer, 690}; 691 692int snd_es1688_pcm(struct snd_card *card, struct snd_es1688 *chip, int device) 693{ 694 struct snd_pcm *pcm; 695 int err; 696 697 err = snd_pcm_new(card, "ESx688", device, 1, 1, &pcm); 698 if (err < 0) 699 return err; 700 701 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es1688_playback_ops); 702 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es1688_capture_ops); 703 704 pcm->private_data = chip; 705 pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX; 706 strcpy(pcm->name, snd_es1688_chip_id(chip)); 707 chip->pcm = pcm; 708 709 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, card->dev, 710 64*1024, 64*1024); 711 return 0; 712} 713 714/* 715 * MIXER part 716 */ 717 718static int snd_es1688_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 719{ 720 static const char * const texts[8] = { 721 "Mic", "Mic Master", "CD", "AOUT", 722 "Mic1", "Mix", "Line", "Master" 723 }; 724 725 return snd_ctl_enum_info(uinfo, 1, 8, texts); 726} 727 728static int snd_es1688_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 729{ 730 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 731 ucontrol->value.enumerated.item[0] = snd_es1688_mixer_read(chip, ES1688_REC_DEV) & 7; 732 return 0; 733} 734 735static int snd_es1688_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 736{ 737 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 738 unsigned long flags; 739 unsigned char oval, nval; 740 int change; 741 742 if (ucontrol->value.enumerated.item[0] > 8) 743 return -EINVAL; 744 spin_lock_irqsave(&chip->reg_lock, flags); 745 oval = snd_es1688_mixer_read(chip, ES1688_REC_DEV); 746 nval = (ucontrol->value.enumerated.item[0] & 7) | (oval & ~15); 747 change = nval != oval; 748 if (change) 749 snd_es1688_mixer_write(chip, ES1688_REC_DEV, nval); 750 spin_unlock_irqrestore(&chip->reg_lock, flags); 751 return change; 752} 753 754#define ES1688_SINGLE(xname, xindex, reg, shift, mask, invert) \ 755{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 756 .info = snd_es1688_info_single, \ 757 .get = snd_es1688_get_single, .put = snd_es1688_put_single, \ 758 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } 759 760static int snd_es1688_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 761{ 762 int mask = (kcontrol->private_value >> 16) & 0xff; 763 764 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 765 uinfo->count = 1; 766 uinfo->value.integer.min = 0; 767 uinfo->value.integer.max = mask; 768 return 0; 769} 770 771static int snd_es1688_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 772{ 773 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 774 unsigned long flags; 775 int reg = kcontrol->private_value & 0xff; 776 int shift = (kcontrol->private_value >> 8) & 0xff; 777 int mask = (kcontrol->private_value >> 16) & 0xff; 778 int invert = (kcontrol->private_value >> 24) & 0xff; 779 780 spin_lock_irqsave(&chip->reg_lock, flags); 781 ucontrol->value.integer.value[0] = (snd_es1688_mixer_read(chip, reg) >> shift) & mask; 782 spin_unlock_irqrestore(&chip->reg_lock, flags); 783 if (invert) 784 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 785 return 0; 786} 787 788static int snd_es1688_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 789{ 790 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 791 unsigned long flags; 792 int reg = kcontrol->private_value & 0xff; 793 int shift = (kcontrol->private_value >> 8) & 0xff; 794 int mask = (kcontrol->private_value >> 16) & 0xff; 795 int invert = (kcontrol->private_value >> 24) & 0xff; 796 int change; 797 unsigned char oval, nval; 798 799 nval = (ucontrol->value.integer.value[0] & mask); 800 if (invert) 801 nval = mask - nval; 802 nval <<= shift; 803 spin_lock_irqsave(&chip->reg_lock, flags); 804 oval = snd_es1688_mixer_read(chip, reg); 805 nval = (oval & ~(mask << shift)) | nval; 806 change = nval != oval; 807 if (change) 808 snd_es1688_mixer_write(chip, reg, nval); 809 spin_unlock_irqrestore(&chip->reg_lock, flags); 810 return change; 811} 812 813#define ES1688_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ 814{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 815 .info = snd_es1688_info_double, \ 816 .get = snd_es1688_get_double, .put = snd_es1688_put_double, \ 817 .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) } 818 819static int snd_es1688_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 820{ 821 int mask = (kcontrol->private_value >> 24) & 0xff; 822 823 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 824 uinfo->count = 2; 825 uinfo->value.integer.min = 0; 826 uinfo->value.integer.max = mask; 827 return 0; 828} 829 830static int snd_es1688_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 831{ 832 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 833 unsigned long flags; 834 int left_reg = kcontrol->private_value & 0xff; 835 int right_reg = (kcontrol->private_value >> 8) & 0xff; 836 int shift_left = (kcontrol->private_value >> 16) & 0x07; 837 int shift_right = (kcontrol->private_value >> 19) & 0x07; 838 int mask = (kcontrol->private_value >> 24) & 0xff; 839 int invert = (kcontrol->private_value >> 22) & 1; 840 unsigned char left, right; 841 842 spin_lock_irqsave(&chip->reg_lock, flags); 843 if (left_reg < 0xa0) 844 left = snd_es1688_mixer_read(chip, left_reg); 845 else 846 left = snd_es1688_read(chip, left_reg); 847 if (left_reg != right_reg) { 848 if (right_reg < 0xa0) 849 right = snd_es1688_mixer_read(chip, right_reg); 850 else 851 right = snd_es1688_read(chip, right_reg); 852 } else 853 right = left; 854 spin_unlock_irqrestore(&chip->reg_lock, flags); 855 ucontrol->value.integer.value[0] = (left >> shift_left) & mask; 856 ucontrol->value.integer.value[1] = (right >> shift_right) & mask; 857 if (invert) { 858 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 859 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 860 } 861 return 0; 862} 863 864static int snd_es1688_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 865{ 866 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 867 unsigned long flags; 868 int left_reg = kcontrol->private_value & 0xff; 869 int right_reg = (kcontrol->private_value >> 8) & 0xff; 870 int shift_left = (kcontrol->private_value >> 16) & 0x07; 871 int shift_right = (kcontrol->private_value >> 19) & 0x07; 872 int mask = (kcontrol->private_value >> 24) & 0xff; 873 int invert = (kcontrol->private_value >> 22) & 1; 874 int change; 875 unsigned char val1, val2, oval1, oval2; 876 877 val1 = ucontrol->value.integer.value[0] & mask; 878 val2 = ucontrol->value.integer.value[1] & mask; 879 if (invert) { 880 val1 = mask - val1; 881 val2 = mask - val2; 882 } 883 val1 <<= shift_left; 884 val2 <<= shift_right; 885 spin_lock_irqsave(&chip->reg_lock, flags); 886 if (left_reg != right_reg) { 887 if (left_reg < 0xa0) 888 oval1 = snd_es1688_mixer_read(chip, left_reg); 889 else 890 oval1 = snd_es1688_read(chip, left_reg); 891 if (right_reg < 0xa0) 892 oval2 = snd_es1688_mixer_read(chip, right_reg); 893 else 894 oval2 = snd_es1688_read(chip, right_reg); 895 val1 = (oval1 & ~(mask << shift_left)) | val1; 896 val2 = (oval2 & ~(mask << shift_right)) | val2; 897 change = val1 != oval1 || val2 != oval2; 898 if (change) { 899 if (left_reg < 0xa0) 900 snd_es1688_mixer_write(chip, left_reg, val1); 901 else 902 snd_es1688_write(chip, left_reg, val1); 903 if (right_reg < 0xa0) 904 snd_es1688_mixer_write(chip, right_reg, val1); 905 else 906 snd_es1688_write(chip, right_reg, val1); 907 } 908 } else { 909 if (left_reg < 0xa0) 910 oval1 = snd_es1688_mixer_read(chip, left_reg); 911 else 912 oval1 = snd_es1688_read(chip, left_reg); 913 val1 = (oval1 & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2; 914 change = val1 != oval1; 915 if (change) { 916 if (left_reg < 0xa0) 917 snd_es1688_mixer_write(chip, left_reg, val1); 918 else 919 snd_es1688_write(chip, left_reg, val1); 920 } 921 922 } 923 spin_unlock_irqrestore(&chip->reg_lock, flags); 924 return change; 925} 926 927static const struct snd_kcontrol_new snd_es1688_controls[] = { 928ES1688_DOUBLE("Master Playback Volume", 0, ES1688_MASTER_DEV, ES1688_MASTER_DEV, 4, 0, 15, 0), 929ES1688_DOUBLE("PCM Playback Volume", 0, ES1688_PCM_DEV, ES1688_PCM_DEV, 4, 0, 15, 0), 930ES1688_DOUBLE("Line Playback Volume", 0, ES1688_LINE_DEV, ES1688_LINE_DEV, 4, 0, 15, 0), 931ES1688_DOUBLE("CD Playback Volume", 0, ES1688_CD_DEV, ES1688_CD_DEV, 4, 0, 15, 0), 932ES1688_DOUBLE("FM Playback Volume", 0, ES1688_FM_DEV, ES1688_FM_DEV, 4, 0, 15, 0), 933ES1688_DOUBLE("Mic Playback Volume", 0, ES1688_MIC_DEV, ES1688_MIC_DEV, 4, 0, 15, 0), 934ES1688_DOUBLE("Aux Playback Volume", 0, ES1688_AUX_DEV, ES1688_AUX_DEV, 4, 0, 15, 0), 935ES1688_SINGLE("Beep Playback Volume", 0, ES1688_SPEAKER_DEV, 0, 7, 0), 936ES1688_DOUBLE("Capture Volume", 0, ES1688_RECLEV_DEV, ES1688_RECLEV_DEV, 4, 0, 15, 0), 937ES1688_SINGLE("Capture Switch", 0, ES1688_REC_DEV, 4, 1, 1), 938{ 939 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 940 .name = "Capture Source", 941 .info = snd_es1688_info_mux, 942 .get = snd_es1688_get_mux, 943 .put = snd_es1688_put_mux, 944}, 945}; 946 947#define ES1688_INIT_TABLE_SIZE (sizeof(snd_es1688_init_table)/2) 948 949static const unsigned char snd_es1688_init_table[][2] = { 950 { ES1688_MASTER_DEV, 0 }, 951 { ES1688_PCM_DEV, 0 }, 952 { ES1688_LINE_DEV, 0 }, 953 { ES1688_CD_DEV, 0 }, 954 { ES1688_FM_DEV, 0 }, 955 { ES1688_MIC_DEV, 0 }, 956 { ES1688_AUX_DEV, 0 }, 957 { ES1688_SPEAKER_DEV, 0 }, 958 { ES1688_RECLEV_DEV, 0 }, 959 { ES1688_REC_DEV, 0x17 } 960}; 961 962int snd_es1688_mixer(struct snd_card *card, struct snd_es1688 *chip) 963{ 964 unsigned int idx; 965 int err; 966 unsigned char reg, val; 967 968 if (snd_BUG_ON(!chip || !card)) 969 return -EINVAL; 970 971 strcpy(card->mixername, snd_es1688_chip_id(chip)); 972 973 for (idx = 0; idx < ARRAY_SIZE(snd_es1688_controls); idx++) { 974 err = snd_ctl_add(card, snd_ctl_new1(&snd_es1688_controls[idx], chip)); 975 if (err < 0) 976 return err; 977 } 978 for (idx = 0; idx < ES1688_INIT_TABLE_SIZE; idx++) { 979 reg = snd_es1688_init_table[idx][0]; 980 val = snd_es1688_init_table[idx][1]; 981 if (reg < 0xa0) 982 snd_es1688_mixer_write(chip, reg, val); 983 else 984 snd_es1688_write(chip, reg, val); 985 } 986 return 0; 987} 988 989EXPORT_SYMBOL(snd_es1688_mixer_write); 990EXPORT_SYMBOL(snd_es1688_create); 991EXPORT_SYMBOL(snd_es1688_pcm); 992EXPORT_SYMBOL(snd_es1688_mixer); 993