FILE
es1688_lib.c
File preview with syntax highlighting.
linux-6.19.14/sound/isa/es1688/es1688_lib.c
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 dev_dbg(chip->card->dev, "%s: timeout (0x%x)\n", __func__, val); 34 return 0; 35} 36 37static int snd_es1688_dsp_get_byte(struct snd_es1688 *chip) 38{ 39 int i; 40 41 for (i = 1000; i; i--) 42 if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80) 43 return inb(ES1688P(chip, READ)); 44 dev_dbg(chip->card->dev, "es1688 get byte failed: 0x%lx = 0x%x!!!\n", 45 ES1688P(chip, DATA_AVAIL), inb(ES1688P(chip, DATA_AVAIL))); 46 return -ENODEV; 47} 48 49static int snd_es1688_write(struct snd_es1688 *chip, 50 unsigned char reg, unsigned char data) 51{ 52 if (!snd_es1688_dsp_command(chip, reg)) 53 return 0; 54 return snd_es1688_dsp_command(chip, data); 55} 56 57static int snd_es1688_read(struct snd_es1688 *chip, unsigned char reg) 58{ 59 /* Read a byte from an extended mode register of ES1688 */ 60 if (!snd_es1688_dsp_command(chip, 0xc0)) 61 return -1; 62 if (!snd_es1688_dsp_command(chip, reg)) 63 return -1; 64 return snd_es1688_dsp_get_byte(chip); 65} 66 67void snd_es1688_mixer_write(struct snd_es1688 *chip, 68 unsigned char reg, unsigned char data) 69{ 70 outb(reg, ES1688P(chip, MIXER_ADDR)); 71 udelay(10); 72 outb(data, ES1688P(chip, MIXER_DATA)); 73 udelay(10); 74} 75 76static unsigned char snd_es1688_mixer_read(struct snd_es1688 *chip, unsigned char reg) 77{ 78 unsigned char result; 79 80 outb(reg, ES1688P(chip, MIXER_ADDR)); 81 udelay(10); 82 result = inb(ES1688P(chip, MIXER_DATA)); 83 udelay(10); 84 return result; 85} 86 87int snd_es1688_reset(struct snd_es1688 *chip) 88{ 89 int i; 90 91 outb(3, ES1688P(chip, RESET)); /* valid only for ESS chips, SB -> 1 */ 92 udelay(10); 93 outb(0, ES1688P(chip, RESET)); 94 udelay(30); 95 for (i = 0; i < 1000 && !(inb(ES1688P(chip, DATA_AVAIL)) & 0x80); i++); 96 if (inb(ES1688P(chip, READ)) != 0xaa) { 97 dev_dbg(chip->card->dev, "ess_reset at 0x%lx: failed!!!\n", 98 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 short major, minor; 109 int i; 110 111 /* 112 * initialization sequence 113 */ 114 115 scoped_guard(spinlock_irqsave, &chip->reg_lock) { /* Some ESS1688 cards need this */ 116 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 117 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 118 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 119 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ 120 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 121 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ 122 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 123 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 124 inb(ES1688P(chip, ENABLE2)); /* ENABLE2 */ 125 inb(ES1688P(chip, ENABLE1)); /* ENABLE1 */ 126 inb(ES1688P(chip, ENABLE0)); /* ENABLE0 */ 127 128 if (snd_es1688_reset(chip) < 0) { 129 dev_dbg(chip->card->dev, "ESS: [0x%lx] reset failed... 0x%x\n", 130 chip->port, inb(ES1688P(chip, READ))); 131 return -ENODEV; 132 } 133 snd_es1688_dsp_command(chip, 0xe7); /* return identification */ 134 135 for (i = 1000, major = minor = 0; i; i--) { 136 if (inb(ES1688P(chip, DATA_AVAIL)) & 0x80) { 137 if (major == 0) 138 major = inb(ES1688P(chip, READ)); 139 else 140 minor = inb(ES1688P(chip, READ)); 141 } 142 } 143 } 144 145 dev_dbg(chip->card->dev, 146 "ESS: [0x%lx] found.. major = 0x%x, minor = 0x%x\n", 147 chip->port, major, minor); 148 149 chip->version = (major << 8) | minor; 150 if (!chip->version) 151 return -ENODEV; /* probably SB */ 152 153 switch (chip->version & 0xfff0) { 154 case 0x4880: 155 dev_err(chip->card->dev, 156 "[0x%lx] ESS: AudioDrive ES488 detected, but driver is in another place\n", 157 chip->port); 158 return -ENODEV; 159 case 0x6880: 160 break; 161 default: 162 dev_err(chip->card->dev, 163 "[0x%lx] ESS: unknown AudioDrive chip with version 0x%x (Jazz16 soundcard?)\n", 164 chip->port, chip->version); 165 return -ENODEV; 166 } 167 168 scoped_guard(spinlock_irqsave, &chip->reg_lock) { 169 snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */ 170 snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */ 171 } 172 173 /* enable joystick, but disable OPL3 */ 174 scoped_guard(spinlock_irqsave, &chip->mixer_lock) { 175 snd_es1688_mixer_write(chip, 0x40, 0x01); 176 } 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 int cfg, irq_bits, dma, dma_bits, tmp, tmp1; 185 186 /* ok.. setup MPU-401 port and joystick and OPL3 */ 187 cfg = 0x01; /* enable joystick, but disable OPL3 */ 188 if (enable && chip->mpu_port >= 0x300 && chip->mpu_irq > 0 && chip->hardware != ES1688_HW_688) { 189 tmp = (chip->mpu_port & 0x0f0) >> 4; 190 if (tmp <= 3) { 191 switch (chip->mpu_irq) { 192 case 9: 193 tmp1 = 4; 194 break; 195 case 5: 196 tmp1 = 5; 197 break; 198 case 7: 199 tmp1 = 6; 200 break; 201 case 10: 202 tmp1 = 7; 203 break; 204 default: 205 tmp1 = 0; 206 } 207 if (tmp1) { 208 cfg |= (tmp << 3) | (tmp1 << 5); 209 } 210 } 211 } 212 scoped_guard(spinlock_irqsave, &chip->reg_lock) { 213 snd_es1688_mixer_write(chip, 0x40, cfg); 214 } 215 /* --- */ 216 scoped_guard(spinlock_irqsave, &chip->reg_lock) { 217 snd_es1688_read(chip, 0xb1); 218 snd_es1688_read(chip, 0xb2); 219 } 220 if (enable) { 221 cfg = 0xf0; /* enable only DMA counter interrupt */ 222 irq_bits = irqs[chip->irq & 0x0f]; 223 if (irq_bits < 0) { 224 dev_err(chip->card->dev, 225 "[0x%lx] ESS: bad IRQ %d for ES1688 chip!!\n", 226 chip->port, chip->irq); 227#if 0 228 irq_bits = 0; 229 cfg = 0x10; 230#endif 231 return -EINVAL; 232 } 233 scoped_guard(spinlock_irqsave, &chip->reg_lock) { 234 snd_es1688_write(chip, 0xb1, cfg | (irq_bits << 2)); 235 } 236 cfg = 0xf0; /* extended mode DMA enable */ 237 dma = chip->dma8; 238 if (dma > 3 || dma == 2) { 239 dev_err(chip->card->dev, 240 "[0x%lx] ESS: bad DMA channel %d for ES1688 chip!!\n", 241 chip->port, dma); 242#if 0 243 dma_bits = 0; 244 cfg = 0x00; /* disable all DMA */ 245#endif 246 return -EINVAL; 247 } else { 248 dma_bits = dma; 249 if (dma != 3) 250 dma_bits++; 251 } 252 scoped_guard(spinlock_irqsave, &chip->reg_lock) { 253 snd_es1688_write(chip, 0xb2, cfg | (dma_bits << 2)); 254 } 255 } else { 256 scoped_guard(spinlock_irqsave, &chip->reg_lock) { 257 snd_es1688_write(chip, 0xb1, 0x10); /* disable IRQ */ 258 snd_es1688_write(chip, 0xb2, 0x00); /* disable DMA */ 259 } 260 } 261 scoped_guard(spinlock_irqsave, &chip->reg_lock) { 262 snd_es1688_read(chip, 0xb1); 263 snd_es1688_read(chip, 0xb2); 264 snd_es1688_reset(chip); 265 } 266 return 0; 267} 268 269/* 270 271 */ 272 273static const struct snd_ratnum clocks[2] = { 274 { 275 .num = 795444, 276 .den_min = 1, 277 .den_max = 128, 278 .den_step = 1, 279 }, 280 { 281 .num = 397722, 282 .den_min = 1, 283 .den_max = 128, 284 .den_step = 1, 285 } 286}; 287 288static const struct snd_pcm_hw_constraint_ratnums hw_constraints_clocks = { 289 .nrats = 2, 290 .rats = clocks, 291}; 292 293static void snd_es1688_set_rate(struct snd_es1688 *chip, struct snd_pcm_substream *substream) 294{ 295 struct snd_pcm_runtime *runtime = substream->runtime; 296 unsigned int bits, divider; 297 298 if (runtime->rate_num == clocks[0].num) 299 bits = 256 - runtime->rate_den; 300 else 301 bits = 128 - runtime->rate_den; 302 /* set filter register */ 303 divider = 256 - 7160000*20/(8*82*runtime->rate); 304 /* write result to hardware */ 305 snd_es1688_write(chip, 0xa1, bits); 306 snd_es1688_write(chip, 0xa2, divider); 307} 308 309static int snd_es1688_trigger(struct snd_es1688 *chip, int cmd, unsigned char value) 310{ 311 int val; 312 313 if (cmd == SNDRV_PCM_TRIGGER_STOP) { 314 value = 0x00; 315 } else if (cmd != SNDRV_PCM_TRIGGER_START) { 316 return -EINVAL; 317 } 318 guard(spinlock)(&chip->reg_lock); 319 chip->trigger_value = value; 320 val = snd_es1688_read(chip, 0xb8); 321 if ((val < 0) || (val & 0x0f) == value) 322 return -EINVAL; /* something is wrong */ 323#if 0 324 dev_dbg(chip->card->dev, "trigger: val = 0x%x, value = 0x%x\n", val, value); 325 dev_dbg(chip->card->dev, "trigger: pointer = 0x%x\n", 326 snd_dma_pointer(chip->dma8, chip->dma_size)); 327#endif 328 snd_es1688_write(chip, 0xb8, (val & 0xf0) | value); 329 return 0; 330} 331 332static int snd_es1688_playback_prepare(struct snd_pcm_substream *substream) 333{ 334 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 335 struct snd_pcm_runtime *runtime = substream->runtime; 336 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 337 unsigned int count = snd_pcm_lib_period_bytes(substream); 338 339 chip->dma_size = size; 340 scoped_guard(spinlock_irqsave, &chip->reg_lock) { 341 snd_es1688_reset(chip); 342 snd_es1688_set_rate(chip, substream); 343 snd_es1688_write(chip, 0xb8, 4); /* auto init DMA mode */ 344 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels)); 345 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */ 346 if (runtime->channels == 1) { 347 if (snd_pcm_format_width(runtime->format) == 8) { 348 /* 8. bit mono */ 349 snd_es1688_write(chip, 0xb6, 0x80); 350 snd_es1688_write(chip, 0xb7, 0x51); 351 snd_es1688_write(chip, 0xb7, 0xd0); 352 } else { 353 /* 16. bit mono */ 354 snd_es1688_write(chip, 0xb6, 0x00); 355 snd_es1688_write(chip, 0xb7, 0x71); 356 snd_es1688_write(chip, 0xb7, 0xf4); 357 } 358 } else { 359 if (snd_pcm_format_width(runtime->format) == 8) { 360 /* 8. bit stereo */ 361 snd_es1688_write(chip, 0xb6, 0x80); 362 snd_es1688_write(chip, 0xb7, 0x51); 363 snd_es1688_write(chip, 0xb7, 0x98); 364 } else { 365 /* 16. bit stereo */ 366 snd_es1688_write(chip, 0xb6, 0x00); 367 snd_es1688_write(chip, 0xb7, 0x71); 368 snd_es1688_write(chip, 0xb7, 0xbc); 369 } 370 } 371 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50); 372 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50); 373 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKON); 374 } 375 /* --- */ 376 count = -count; 377 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT); 378 scoped_guard(spinlock_irqsave, &chip->reg_lock) { 379 snd_es1688_write(chip, 0xa4, (unsigned char) count); 380 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8)); 381 } 382 return 0; 383} 384 385static int snd_es1688_playback_trigger(struct snd_pcm_substream *substream, 386 int cmd) 387{ 388 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 389 return snd_es1688_trigger(chip, cmd, 0x05); 390} 391 392static int snd_es1688_capture_prepare(struct snd_pcm_substream *substream) 393{ 394 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 395 struct snd_pcm_runtime *runtime = substream->runtime; 396 unsigned int size = snd_pcm_lib_buffer_bytes(substream); 397 unsigned int count = snd_pcm_lib_period_bytes(substream); 398 399 chip->dma_size = size; 400 scoped_guard(spinlock_irqsave, &chip->reg_lock) { 401 snd_es1688_reset(chip); 402 snd_es1688_set_rate(chip, substream); 403 snd_es1688_dsp_command(chip, ES1688_DSP_CMD_SPKOFF); 404 snd_es1688_write(chip, 0xb8, 0x0e); /* auto init DMA mode */ 405 snd_es1688_write(chip, 0xa8, (snd_es1688_read(chip, 0xa8) & ~0x03) | (3 - runtime->channels)); 406 snd_es1688_write(chip, 0xb9, 2); /* demand mode (4 bytes/request) */ 407 if (runtime->channels == 1) { 408 if (snd_pcm_format_width(runtime->format) == 8) { 409 /* 8. bit mono */ 410 snd_es1688_write(chip, 0xb7, 0x51); 411 snd_es1688_write(chip, 0xb7, 0xd0); 412 } else { 413 /* 16. bit mono */ 414 snd_es1688_write(chip, 0xb7, 0x71); 415 snd_es1688_write(chip, 0xb7, 0xf4); 416 } 417 } else { 418 if (snd_pcm_format_width(runtime->format) == 8) { 419 /* 8. bit stereo */ 420 snd_es1688_write(chip, 0xb7, 0x51); 421 snd_es1688_write(chip, 0xb7, 0x98); 422 } else { 423 /* 16. bit stereo */ 424 snd_es1688_write(chip, 0xb7, 0x71); 425 snd_es1688_write(chip, 0xb7, 0xbc); 426 } 427 } 428 snd_es1688_write(chip, 0xb1, (snd_es1688_read(chip, 0xb1) & 0x0f) | 0x50); 429 snd_es1688_write(chip, 0xb2, (snd_es1688_read(chip, 0xb2) & 0x0f) | 0x50); 430 } 431 /* --- */ 432 count = -count; 433 snd_dma_program(chip->dma8, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT); 434 scoped_guard(spinlock_irqsave, &chip->reg_lock) { 435 snd_es1688_write(chip, 0xa4, (unsigned char) count); 436 snd_es1688_write(chip, 0xa5, (unsigned char) (count >> 8)); 437 } 438 return 0; 439} 440 441static int snd_es1688_capture_trigger(struct snd_pcm_substream *substream, 442 int cmd) 443{ 444 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 445 return snd_es1688_trigger(chip, cmd, 0x0f); 446} 447 448static irqreturn_t snd_es1688_interrupt(int irq, void *dev_id) 449{ 450 struct snd_es1688 *chip = dev_id; 451 452 if (chip->trigger_value == 0x05) /* ok.. playback is active */ 453 snd_pcm_period_elapsed(chip->playback_substream); 454 if (chip->trigger_value == 0x0f) /* ok.. capture is active */ 455 snd_pcm_period_elapsed(chip->capture_substream); 456 457 inb(ES1688P(chip, DATA_AVAIL)); /* ack interrupt */ 458 return IRQ_HANDLED; 459} 460 461static snd_pcm_uframes_t snd_es1688_playback_pointer(struct snd_pcm_substream *substream) 462{ 463 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 464 size_t ptr; 465 466 if (chip->trigger_value != 0x05) 467 return 0; 468 ptr = snd_dma_pointer(chip->dma8, chip->dma_size); 469 return bytes_to_frames(substream->runtime, ptr); 470} 471 472static snd_pcm_uframes_t snd_es1688_capture_pointer(struct snd_pcm_substream *substream) 473{ 474 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 475 size_t ptr; 476 477 if (chip->trigger_value != 0x0f) 478 return 0; 479 ptr = snd_dma_pointer(chip->dma8, chip->dma_size); 480 return bytes_to_frames(substream->runtime, ptr); 481} 482 483/* 484 485 */ 486 487static const struct snd_pcm_hardware snd_es1688_playback = 488{ 489 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 490 SNDRV_PCM_INFO_MMAP_VALID), 491 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 492 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 493 .rate_min = 4000, 494 .rate_max = 48000, 495 .channels_min = 1, 496 .channels_max = 2, 497 .buffer_bytes_max = 65536, 498 .period_bytes_min = 64, 499 .period_bytes_max = 65536, 500 .periods_min = 1, 501 .periods_max = 1024, 502 .fifo_size = 0, 503}; 504 505static const struct snd_pcm_hardware snd_es1688_capture = 506{ 507 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 508 SNDRV_PCM_INFO_MMAP_VALID), 509 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 510 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, 511 .rate_min = 4000, 512 .rate_max = 48000, 513 .channels_min = 1, 514 .channels_max = 2, 515 .buffer_bytes_max = 65536, 516 .period_bytes_min = 64, 517 .period_bytes_max = 65536, 518 .periods_min = 1, 519 .periods_max = 1024, 520 .fifo_size = 0, 521}; 522 523/* 524 525 */ 526 527static int snd_es1688_playback_open(struct snd_pcm_substream *substream) 528{ 529 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 530 struct snd_pcm_runtime *runtime = substream->runtime; 531 532 if (chip->capture_substream != NULL) 533 return -EAGAIN; 534 chip->playback_substream = substream; 535 runtime->hw = snd_es1688_playback; 536 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 537 &hw_constraints_clocks); 538 return 0; 539} 540 541static int snd_es1688_capture_open(struct snd_pcm_substream *substream) 542{ 543 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 544 struct snd_pcm_runtime *runtime = substream->runtime; 545 546 if (chip->playback_substream != NULL) 547 return -EAGAIN; 548 chip->capture_substream = substream; 549 runtime->hw = snd_es1688_capture; 550 snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 551 &hw_constraints_clocks); 552 return 0; 553} 554 555static int snd_es1688_playback_close(struct snd_pcm_substream *substream) 556{ 557 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 558 559 chip->playback_substream = NULL; 560 return 0; 561} 562 563static int snd_es1688_capture_close(struct snd_pcm_substream *substream) 564{ 565 struct snd_es1688 *chip = snd_pcm_substream_chip(substream); 566 567 chip->capture_substream = NULL; 568 return 0; 569} 570 571static int snd_es1688_free(struct snd_es1688 *chip) 572{ 573 if (chip->hardware != ES1688_HW_UNDEF) 574 snd_es1688_init(chip, 0); 575 release_and_free_resource(chip->res_port); 576 if (chip->irq >= 0) 577 free_irq(chip->irq, (void *) chip); 578 if (chip->dma8 >= 0) { 579 disable_dma(chip->dma8); 580 free_dma(chip->dma8); 581 } 582 return 0; 583} 584 585static int snd_es1688_dev_free(struct snd_device *device) 586{ 587 struct snd_es1688 *chip = device->device_data; 588 return snd_es1688_free(chip); 589} 590 591static const char *snd_es1688_chip_id(struct snd_es1688 *chip) 592{ 593 static char tmp[16]; 594 sprintf(tmp, "ES%s688 rev %i", chip->hardware == ES1688_HW_688 ? "" : "1", chip->version & 0x0f); 595 return tmp; 596} 597 598int snd_es1688_create(struct snd_card *card, 599 struct snd_es1688 *chip, 600 unsigned long port, 601 unsigned long mpu_port, 602 int irq, 603 int mpu_irq, 604 int dma8, 605 unsigned short hardware) 606{ 607 static const struct snd_device_ops ops = { 608 .dev_free = snd_es1688_dev_free, 609 }; 610 611 int err; 612 613 if (chip == NULL) 614 return -ENOMEM; 615 chip->card = card; 616 chip->irq = -1; 617 chip->dma8 = -1; 618 chip->hardware = ES1688_HW_UNDEF; 619 620 chip->res_port = request_region(port + 4, 12, "ES1688"); 621 if (chip->res_port == NULL) { 622 dev_err(card->dev, "es1688: can't grab port 0x%lx\n", port + 4); 623 err = -EBUSY; 624 goto exit; 625 } 626 627 err = request_irq(irq, snd_es1688_interrupt, 0, "ES1688", (void *) chip); 628 if (err < 0) { 629 dev_err(card->dev, "es1688: can't grab IRQ %d\n", irq); 630 goto exit; 631 } 632 633 chip->irq = irq; 634 card->sync_irq = chip->irq; 635 err = request_dma(dma8, "ES1688"); 636 637 if (err < 0) { 638 dev_err(card->dev, "es1688: can't grab DMA8 %d\n", dma8); 639 goto exit; 640 } 641 chip->dma8 = dma8; 642 643 spin_lock_init(&chip->reg_lock); 644 spin_lock_init(&chip->mixer_lock); 645 chip->port = port; 646 mpu_port &= ~0x000f; 647 if (mpu_port < 0x300 || mpu_port > 0x330) 648 mpu_port = 0; 649 chip->mpu_port = mpu_port; 650 chip->mpu_irq = mpu_irq; 651 chip->hardware = hardware; 652 653 err = snd_es1688_probe(chip); 654 if (err < 0) 655 goto exit; 656 657 err = snd_es1688_init(chip, 1); 658 if (err < 0) 659 goto exit; 660 661 /* Register device */ 662 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); 663exit: 664 if (err) 665 snd_es1688_free(chip); 666 return err; 667} 668 669static const struct snd_pcm_ops snd_es1688_playback_ops = { 670 .open = snd_es1688_playback_open, 671 .close = snd_es1688_playback_close, 672 .prepare = snd_es1688_playback_prepare, 673 .trigger = snd_es1688_playback_trigger, 674 .pointer = snd_es1688_playback_pointer, 675}; 676 677static const struct snd_pcm_ops snd_es1688_capture_ops = { 678 .open = snd_es1688_capture_open, 679 .close = snd_es1688_capture_close, 680 .prepare = snd_es1688_capture_prepare, 681 .trigger = snd_es1688_capture_trigger, 682 .pointer = snd_es1688_capture_pointer, 683}; 684 685int snd_es1688_pcm(struct snd_card *card, struct snd_es1688 *chip, int device) 686{ 687 struct snd_pcm *pcm; 688 int err; 689 690 err = snd_pcm_new(card, "ESx688", device, 1, 1, &pcm); 691 if (err < 0) 692 return err; 693 694 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_es1688_playback_ops); 695 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_es1688_capture_ops); 696 697 pcm->private_data = chip; 698 pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX; 699 strscpy(pcm->name, snd_es1688_chip_id(chip)); 700 chip->pcm = pcm; 701 702 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, card->dev, 703 64*1024, 64*1024); 704 return 0; 705} 706 707/* 708 * MIXER part 709 */ 710 711static int snd_es1688_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 712{ 713 static const char * const texts[8] = { 714 "Mic", "Mic Master", "CD", "AOUT", 715 "Mic1", "Mix", "Line", "Master" 716 }; 717 718 return snd_ctl_enum_info(uinfo, 1, 8, texts); 719} 720 721static int snd_es1688_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 722{ 723 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 724 ucontrol->value.enumerated.item[0] = snd_es1688_mixer_read(chip, ES1688_REC_DEV) & 7; 725 return 0; 726} 727 728static int snd_es1688_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 729{ 730 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 731 unsigned char oval, nval; 732 int change; 733 734 if (ucontrol->value.enumerated.item[0] > 8) 735 return -EINVAL; 736 guard(spinlock_irqsave)(&chip->reg_lock); 737 oval = snd_es1688_mixer_read(chip, ES1688_REC_DEV); 738 nval = (ucontrol->value.enumerated.item[0] & 7) | (oval & ~15); 739 change = nval != oval; 740 if (change) 741 snd_es1688_mixer_write(chip, ES1688_REC_DEV, nval); 742 return change; 743} 744 745#define ES1688_SINGLE(xname, xindex, reg, shift, mask, invert) \ 746{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 747 .info = snd_es1688_info_single, \ 748 .get = snd_es1688_get_single, .put = snd_es1688_put_single, \ 749 .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) } 750 751static int snd_es1688_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 752{ 753 int mask = (kcontrol->private_value >> 16) & 0xff; 754 755 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 756 uinfo->count = 1; 757 uinfo->value.integer.min = 0; 758 uinfo->value.integer.max = mask; 759 return 0; 760} 761 762static int snd_es1688_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 763{ 764 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 765 int reg = kcontrol->private_value & 0xff; 766 int shift = (kcontrol->private_value >> 8) & 0xff; 767 int mask = (kcontrol->private_value >> 16) & 0xff; 768 int invert = (kcontrol->private_value >> 24) & 0xff; 769 770 guard(spinlock_irqsave)(&chip->reg_lock); 771 ucontrol->value.integer.value[0] = (snd_es1688_mixer_read(chip, reg) >> shift) & mask; 772 if (invert) 773 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 774 return 0; 775} 776 777static int snd_es1688_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 778{ 779 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 780 int reg = kcontrol->private_value & 0xff; 781 int shift = (kcontrol->private_value >> 8) & 0xff; 782 int mask = (kcontrol->private_value >> 16) & 0xff; 783 int invert = (kcontrol->private_value >> 24) & 0xff; 784 int change; 785 unsigned char oval, nval; 786 787 nval = (ucontrol->value.integer.value[0] & mask); 788 if (invert) 789 nval = mask - nval; 790 nval <<= shift; 791 guard(spinlock_irqsave)(&chip->reg_lock); 792 oval = snd_es1688_mixer_read(chip, reg); 793 nval = (oval & ~(mask << shift)) | nval; 794 change = nval != oval; 795 if (change) 796 snd_es1688_mixer_write(chip, reg, nval); 797 return change; 798} 799 800#define ES1688_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ 801{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ 802 .info = snd_es1688_info_double, \ 803 .get = snd_es1688_get_double, .put = snd_es1688_put_double, \ 804 .private_value = left_reg | (right_reg << 8) | (shift_left << 16) | (shift_right << 19) | (mask << 24) | (invert << 22) } 805 806static int snd_es1688_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 807{ 808 int mask = (kcontrol->private_value >> 24) & 0xff; 809 810 uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; 811 uinfo->count = 2; 812 uinfo->value.integer.min = 0; 813 uinfo->value.integer.max = mask; 814 return 0; 815} 816 817static int snd_es1688_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 818{ 819 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 820 int left_reg = kcontrol->private_value & 0xff; 821 int right_reg = (kcontrol->private_value >> 8) & 0xff; 822 int shift_left = (kcontrol->private_value >> 16) & 0x07; 823 int shift_right = (kcontrol->private_value >> 19) & 0x07; 824 int mask = (kcontrol->private_value >> 24) & 0xff; 825 int invert = (kcontrol->private_value >> 22) & 1; 826 unsigned char left, right; 827 828 guard(spinlock_irqsave)(&chip->reg_lock); 829 if (left_reg < 0xa0) 830 left = snd_es1688_mixer_read(chip, left_reg); 831 else 832 left = snd_es1688_read(chip, left_reg); 833 if (left_reg != right_reg) { 834 if (right_reg < 0xa0) 835 right = snd_es1688_mixer_read(chip, right_reg); 836 else 837 right = snd_es1688_read(chip, right_reg); 838 } else 839 right = left; 840 ucontrol->value.integer.value[0] = (left >> shift_left) & mask; 841 ucontrol->value.integer.value[1] = (right >> shift_right) & mask; 842 if (invert) { 843 ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; 844 ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; 845 } 846 return 0; 847} 848 849static int snd_es1688_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 850{ 851 struct snd_es1688 *chip = snd_kcontrol_chip(kcontrol); 852 int left_reg = kcontrol->private_value & 0xff; 853 int right_reg = (kcontrol->private_value >> 8) & 0xff; 854 int shift_left = (kcontrol->private_value >> 16) & 0x07; 855 int shift_right = (kcontrol->private_value >> 19) & 0x07; 856 int mask = (kcontrol->private_value >> 24) & 0xff; 857 int invert = (kcontrol->private_value >> 22) & 1; 858 int change; 859 unsigned char val1, val2, oval1, oval2; 860 861 val1 = ucontrol->value.integer.value[0] & mask; 862 val2 = ucontrol->value.integer.value[1] & mask; 863 if (invert) { 864 val1 = mask - val1; 865 val2 = mask - val2; 866 } 867 val1 <<= shift_left; 868 val2 <<= shift_right; 869 guard(spinlock_irqsave)(&chip->reg_lock); 870 if (left_reg != right_reg) { 871 if (left_reg < 0xa0) 872 oval1 = snd_es1688_mixer_read(chip, left_reg); 873 else 874 oval1 = snd_es1688_read(chip, left_reg); 875 if (right_reg < 0xa0) 876 oval2 = snd_es1688_mixer_read(chip, right_reg); 877 else 878 oval2 = snd_es1688_read(chip, right_reg); 879 val1 = (oval1 & ~(mask << shift_left)) | val1; 880 val2 = (oval2 & ~(mask << shift_right)) | val2; 881 change = val1 != oval1 || val2 != oval2; 882 if (change) { 883 if (left_reg < 0xa0) 884 snd_es1688_mixer_write(chip, left_reg, val1); 885 else 886 snd_es1688_write(chip, left_reg, val1); 887 if (right_reg < 0xa0) 888 snd_es1688_mixer_write(chip, right_reg, val1); 889 else 890 snd_es1688_write(chip, right_reg, val1); 891 } 892 } else { 893 if (left_reg < 0xa0) 894 oval1 = snd_es1688_mixer_read(chip, left_reg); 895 else 896 oval1 = snd_es1688_read(chip, left_reg); 897 val1 = (oval1 & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2; 898 change = val1 != oval1; 899 if (change) { 900 if (left_reg < 0xa0) 901 snd_es1688_mixer_write(chip, left_reg, val1); 902 else 903 snd_es1688_write(chip, left_reg, val1); 904 } 905 906 } 907 return change; 908} 909 910static const struct snd_kcontrol_new snd_es1688_controls[] = { 911ES1688_DOUBLE("Master Playback Volume", 0, ES1688_MASTER_DEV, ES1688_MASTER_DEV, 4, 0, 15, 0), 912ES1688_DOUBLE("PCM Playback Volume", 0, ES1688_PCM_DEV, ES1688_PCM_DEV, 4, 0, 15, 0), 913ES1688_DOUBLE("Line Playback Volume", 0, ES1688_LINE_DEV, ES1688_LINE_DEV, 4, 0, 15, 0), 914ES1688_DOUBLE("CD Playback Volume", 0, ES1688_CD_DEV, ES1688_CD_DEV, 4, 0, 15, 0), 915ES1688_DOUBLE("FM Playback Volume", 0, ES1688_FM_DEV, ES1688_FM_DEV, 4, 0, 15, 0), 916ES1688_DOUBLE("Mic Playback Volume", 0, ES1688_MIC_DEV, ES1688_MIC_DEV, 4, 0, 15, 0), 917ES1688_DOUBLE("Aux Playback Volume", 0, ES1688_AUX_DEV, ES1688_AUX_DEV, 4, 0, 15, 0), 918ES1688_SINGLE("Beep Playback Volume", 0, ES1688_SPEAKER_DEV, 0, 7, 0), 919ES1688_DOUBLE("Capture Volume", 0, ES1688_RECLEV_DEV, ES1688_RECLEV_DEV, 4, 0, 15, 0), 920ES1688_SINGLE("Capture Switch", 0, ES1688_REC_DEV, 4, 1, 1), 921{ 922 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 923 .name = "Capture Source", 924 .info = snd_es1688_info_mux, 925 .get = snd_es1688_get_mux, 926 .put = snd_es1688_put_mux, 927}, 928}; 929 930#define ES1688_INIT_TABLE_SIZE (sizeof(snd_es1688_init_table)/2) 931 932static const unsigned char snd_es1688_init_table[][2] = { 933 { ES1688_MASTER_DEV, 0 }, 934 { ES1688_PCM_DEV, 0 }, 935 { ES1688_LINE_DEV, 0 }, 936 { ES1688_CD_DEV, 0 }, 937 { ES1688_FM_DEV, 0 }, 938 { ES1688_MIC_DEV, 0 }, 939 { ES1688_AUX_DEV, 0 }, 940 { ES1688_SPEAKER_DEV, 0 }, 941 { ES1688_RECLEV_DEV, 0 }, 942 { ES1688_REC_DEV, 0x17 } 943}; 944 945int snd_es1688_mixer(struct snd_card *card, struct snd_es1688 *chip) 946{ 947 unsigned int idx; 948 int err; 949 unsigned char reg, val; 950 951 if (snd_BUG_ON(!chip || !card)) 952 return -EINVAL; 953 954 strscpy(card->mixername, snd_es1688_chip_id(chip)); 955 956 for (idx = 0; idx < ARRAY_SIZE(snd_es1688_controls); idx++) { 957 err = snd_ctl_add(card, snd_ctl_new1(&snd_es1688_controls[idx], chip)); 958 if (err < 0) 959 return err; 960 } 961 for (idx = 0; idx < ES1688_INIT_TABLE_SIZE; idx++) { 962 reg = snd_es1688_init_table[idx][0]; 963 val = snd_es1688_init_table[idx][1]; 964 if (reg < 0xa0) 965 snd_es1688_mixer_write(chip, reg, val); 966 else 967 snd_es1688_write(chip, reg, val); 968 } 969 return 0; 970} 971 972EXPORT_SYMBOL(snd_es1688_mixer_write); 973EXPORT_SYMBOL(snd_es1688_create); 974EXPORT_SYMBOL(snd_es1688_pcm); 975EXPORT_SYMBOL(snd_es1688_mixer);
~/
Read-only file preview.